diff --git a/node_modules/.bin/acorn b/node_modules/.bin/acorn
new file mode 100644
index 00000000..46a3e61a
--- /dev/null
+++ b/node_modules/.bin/acorn
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../acorn/bin/acorn" "$@"
+else 
+  exec node  "$basedir/../acorn/bin/acorn" "$@"
+fi
diff --git a/node_modules/.bin/acorn.cmd b/node_modules/.bin/acorn.cmd
new file mode 100644
index 00000000..a9324df9
--- /dev/null
+++ b/node_modules/.bin/acorn.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\acorn\bin\acorn" %*
diff --git a/node_modules/.bin/acorn.ps1 b/node_modules/.bin/acorn.ps1
new file mode 100644
index 00000000..6f6dcddf
--- /dev/null
+++ b/node_modules/.bin/acorn.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../acorn/bin/acorn" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../acorn/bin/acorn" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../acorn/bin/acorn" $args
+  } else {
+    & "node$exe"  "$basedir/../acorn/bin/acorn" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/atob b/node_modules/.bin/atob
new file mode 100644
index 00000000..6d8ec0ee
--- /dev/null
+++ b/node_modules/.bin/atob
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../atob/bin/atob.js" "$@"
+else 
+  exec node  "$basedir/../atob/bin/atob.js" "$@"
+fi
diff --git a/node_modules/.bin/atob.cmd b/node_modules/.bin/atob.cmd
new file mode 100644
index 00000000..850a60b9
--- /dev/null
+++ b/node_modules/.bin/atob.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\atob\bin\atob.js" %*
diff --git a/node_modules/.bin/atob.ps1 b/node_modules/.bin/atob.ps1
new file mode 100644
index 00000000..4a9f311b
--- /dev/null
+++ b/node_modules/.bin/atob.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../atob/bin/atob.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../atob/bin/atob.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../atob/bin/atob.js" $args
+  } else {
+    & "node$exe"  "$basedir/../atob/bin/atob.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/errno b/node_modules/.bin/errno
new file mode 100644
index 00000000..c3be4fc5
--- /dev/null
+++ b/node_modules/.bin/errno
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../errno/cli.js" "$@"
+else 
+  exec node  "$basedir/../errno/cli.js" "$@"
+fi
diff --git a/node_modules/.bin/errno.cmd b/node_modules/.bin/errno.cmd
new file mode 100644
index 00000000..609af3bf
--- /dev/null
+++ b/node_modules/.bin/errno.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\errno\cli.js" %*
diff --git a/node_modules/.bin/errno.ps1 b/node_modules/.bin/errno.ps1
new file mode 100644
index 00000000..2b2d86fa
--- /dev/null
+++ b/node_modules/.bin/errno.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../errno/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../errno/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../errno/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../errno/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/json5 b/node_modules/.bin/json5
new file mode 100644
index 00000000..977b7507
--- /dev/null
+++ b/node_modules/.bin/json5
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../json5/lib/cli.js" "$@"
+else 
+  exec node  "$basedir/../json5/lib/cli.js" "$@"
+fi
diff --git a/node_modules/.bin/json5.cmd b/node_modules/.bin/json5.cmd
new file mode 100644
index 00000000..95c137fe
--- /dev/null
+++ b/node_modules/.bin/json5.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\json5\lib\cli.js" %*
diff --git a/node_modules/.bin/json5.ps1 b/node_modules/.bin/json5.ps1
new file mode 100644
index 00000000..8700ddbe
--- /dev/null
+++ b/node_modules/.bin/json5.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../json5/lib/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../json5/lib/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../json5/lib/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../json5/lib/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/miller-rabin b/node_modules/.bin/miller-rabin
new file mode 100644
index 00000000..663d7b1f
--- /dev/null
+++ b/node_modules/.bin/miller-rabin
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../miller-rabin/bin/miller-rabin" "$@"
+else 
+  exec node  "$basedir/../miller-rabin/bin/miller-rabin" "$@"
+fi
diff --git a/node_modules/.bin/miller-rabin.cmd b/node_modules/.bin/miller-rabin.cmd
new file mode 100644
index 00000000..26427db8
--- /dev/null
+++ b/node_modules/.bin/miller-rabin.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\miller-rabin\bin\miller-rabin" %*
diff --git a/node_modules/.bin/miller-rabin.ps1 b/node_modules/.bin/miller-rabin.ps1
new file mode 100644
index 00000000..3a5beee4
--- /dev/null
+++ b/node_modules/.bin/miller-rabin.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../miller-rabin/bin/miller-rabin" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../miller-rabin/bin/miller-rabin" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../miller-rabin/bin/miller-rabin" $args
+  } else {
+    & "node$exe"  "$basedir/../miller-rabin/bin/miller-rabin" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/mkdirp b/node_modules/.bin/mkdirp
new file mode 100644
index 00000000..6ba5765a
--- /dev/null
+++ b/node_modules/.bin/mkdirp
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../mkdirp/bin/cmd.js" "$@"
+else 
+  exec node  "$basedir/../mkdirp/bin/cmd.js" "$@"
+fi
diff --git a/node_modules/.bin/mkdirp.cmd b/node_modules/.bin/mkdirp.cmd
new file mode 100644
index 00000000..a865dd9f
--- /dev/null
+++ b/node_modules/.bin/mkdirp.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\mkdirp\bin\cmd.js" %*
diff --git a/node_modules/.bin/mkdirp.ps1 b/node_modules/.bin/mkdirp.ps1
new file mode 100644
index 00000000..911e8546
--- /dev/null
+++ b/node_modules/.bin/mkdirp.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  } else {
+    & "node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/rimraf b/node_modules/.bin/rimraf
new file mode 100644
index 00000000..b8168255
--- /dev/null
+++ b/node_modules/.bin/rimraf
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../rimraf/bin.js" "$@"
+else 
+  exec node  "$basedir/../rimraf/bin.js" "$@"
+fi
diff --git a/node_modules/.bin/rimraf.cmd b/node_modules/.bin/rimraf.cmd
new file mode 100644
index 00000000..13f45eca
--- /dev/null
+++ b/node_modules/.bin/rimraf.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\rimraf\bin.js" %*
diff --git a/node_modules/.bin/rimraf.ps1 b/node_modules/.bin/rimraf.ps1
new file mode 100644
index 00000000..17167914
--- /dev/null
+++ b/node_modules/.bin/rimraf.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../rimraf/bin.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../rimraf/bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../rimraf/bin.js" $args
+  } else {
+    & "node$exe"  "$basedir/../rimraf/bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/semver b/node_modules/.bin/semver
new file mode 100644
index 00000000..86cee84b
--- /dev/null
+++ b/node_modules/.bin/semver
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../semver/bin/semver" "$@"
+else 
+  exec node  "$basedir/../semver/bin/semver" "$@"
+fi
diff --git a/node_modules/.bin/semver.cmd b/node_modules/.bin/semver.cmd
new file mode 100644
index 00000000..22d9286c
--- /dev/null
+++ b/node_modules/.bin/semver.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\semver\bin\semver" %*
diff --git a/node_modules/.bin/semver.ps1 b/node_modules/.bin/semver.ps1
new file mode 100644
index 00000000..98c1b093
--- /dev/null
+++ b/node_modules/.bin/semver.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../semver/bin/semver" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../semver/bin/semver" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../semver/bin/semver" $args
+  } else {
+    & "node$exe"  "$basedir/../semver/bin/semver" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/sha.js b/node_modules/.bin/sha.js
new file mode 100644
index 00000000..7b69763a
--- /dev/null
+++ b/node_modules/.bin/sha.js
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../sha.js/bin.js" "$@"
+else 
+  exec node  "$basedir/../sha.js/bin.js" "$@"
+fi
diff --git a/node_modules/.bin/sha.js.cmd b/node_modules/.bin/sha.js.cmd
new file mode 100644
index 00000000..ce87b004
--- /dev/null
+++ b/node_modules/.bin/sha.js.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\sha.js\bin.js" %*
diff --git a/node_modules/.bin/sha.js.ps1 b/node_modules/.bin/sha.js.ps1
new file mode 100644
index 00000000..fceb31aa
--- /dev/null
+++ b/node_modules/.bin/sha.js.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../sha.js/bin.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../sha.js/bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../sha.js/bin.js" $args
+  } else {
+    & "node$exe"  "$basedir/../sha.js/bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/terser b/node_modules/.bin/terser
new file mode 100644
index 00000000..2d3fa890
--- /dev/null
+++ b/node_modules/.bin/terser
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../terser/bin/terser" "$@"
+else 
+  exec node  "$basedir/../terser/bin/terser" "$@"
+fi
diff --git a/node_modules/.bin/terser.cmd b/node_modules/.bin/terser.cmd
new file mode 100644
index 00000000..abf66a82
--- /dev/null
+++ b/node_modules/.bin/terser.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\terser\bin\terser" %*
diff --git a/node_modules/.bin/terser.ps1 b/node_modules/.bin/terser.ps1
new file mode 100644
index 00000000..0bbfff61
--- /dev/null
+++ b/node_modules/.bin/terser.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../terser/bin/terser" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../terser/bin/terser" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../terser/bin/terser" $args
+  } else {
+    & "node$exe"  "$basedir/../terser/bin/terser" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/webpack b/node_modules/.bin/webpack
new file mode 100644
index 00000000..e6748011
--- /dev/null
+++ b/node_modules/.bin/webpack
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../webpack/bin/webpack.js" "$@"
+else 
+  exec node  "$basedir/../webpack/bin/webpack.js" "$@"
+fi
diff --git a/node_modules/.bin/webpack.cmd b/node_modules/.bin/webpack.cmd
new file mode 100644
index 00000000..5b1e07b9
--- /dev/null
+++ b/node_modules/.bin/webpack.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\webpack\bin\webpack.js" %*
diff --git a/node_modules/.bin/webpack.ps1 b/node_modules/.bin/webpack.ps1
new file mode 100644
index 00000000..57bb5253
--- /dev/null
+++ b/node_modules/.bin/webpack.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../webpack/bin/webpack.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../webpack/bin/webpack.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../webpack/bin/webpack.js" $args
+  } else {
+    & "node$exe"  "$basedir/../webpack/bin/webpack.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.package-lock.json b/node_modules/.package-lock.json
new file mode 100644
index 00000000..d80efe4b
--- /dev/null
+++ b/node_modules/.package-lock.json
@@ -0,0 +1,4133 @@
+{
+  "name": "大唐会议",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "node_modules/@types/json-schema": {
+      "version": "7.0.15",
+      "resolved": "https://registry.npmmirror.com/@types/json-schema/-/json-schema-7.0.15.tgz",
+      "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA=="
+    },
+    "node_modules/@webassemblyjs/ast": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/ast/-/ast-1.9.0.tgz",
+      "integrity": "sha512-C6wW5L+b7ogSDVqymbkkvuW9kruN//YisMED04xzeBBqjHa2FYnmvOlS6Xj68xWQRgWvI9cIglsjFowH/RJyEA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/helper-module-context": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/wast-parser": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/floating-point-hex-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.9.0.tgz",
+      "integrity": "sha512-TG5qcFsS8QB4g4MhrxK5TqfdNe7Ey/7YL/xN+36rRjl/BlGE/NcBvJcqsRgCP6Z92mRE+7N50pRIi8SmKUbcQA==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-api-error": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-api-error/-/helper-api-error-1.9.0.tgz",
+      "integrity": "sha512-NcMLjoFMXpsASZFxJ5h2HZRcEhDkvnNFOAKneP5RbKRzaWJN36NC4jqQHKwStIhGXu5mUWlUUk7ygdtrO8lbmw==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-buffer": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-buffer/-/helper-buffer-1.9.0.tgz",
+      "integrity": "sha512-qZol43oqhq6yBPx7YM3m9Bv7WMV9Eevj6kMi6InKOuZxhw+q9hOkvq5e/PpKSiLfyetpaBnogSbNCfBwyB00CA==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-code-frame": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.9.0.tgz",
+      "integrity": "sha512-ERCYdJBkD9Vu4vtjUYe8LZruWuNIToYq/ME22igL+2vj2dQ2OOujIZr3MEFvfEaqKoVqpsFKAGsRdBSBjrIvZA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/wast-printer": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/helper-fsm": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-fsm/-/helper-fsm-1.9.0.tgz",
+      "integrity": "sha512-OPRowhGbshCb5PxJ8LocpdX9Kl0uB4XsAjl6jH/dWKlk/mzsANvhwbiULsaiqT5GZGT9qinTICdj6PLuM5gslw==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-module-context": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-module-context/-/helper-module-context-1.9.0.tgz",
+      "integrity": "sha512-MJCW8iGC08tMk2enck1aPW+BE5Cw8/7ph/VGZxwyvGbJwjktKkDK7vy7gAmMDx88D7mhDTCNKAW5tED+gZ0W8g==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/helper-wasm-bytecode": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.9.0.tgz",
+      "integrity": "sha512-R7FStIzyNcd7xKxCZH5lE0Bqy+hGTwS3LJjuv1ZVxd9O7eHCedSdrId/hMOd20I+v8wDXEn+bjfKDLzTepoaUw==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-wasm-section": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-wasm-section/-/helper-wasm-section-1.9.0.tgz",
+      "integrity": "sha512-XnMB8l3ek4tvrKUUku+IVaXNHz2YsJyOOmz+MMkZvh8h1uSJpSen6vYnw3IoQ7WwEuAhL8Efjms1ZWjqh2agvw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/ieee754": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/ieee754/-/ieee754-1.9.0.tgz",
+      "integrity": "sha512-dcX8JuYU/gvymzIHc9DgxTzUUTLexWwt8uCTWP3otys596io0L5aW02Gb1RjYpx2+0Jus1h4ZFqjla7umFniTg==",
+      "peer": true,
+      "dependencies": {
+        "@xtuc/ieee754": "^1.2.0"
+      }
+    },
+    "node_modules/@webassemblyjs/leb128": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/leb128/-/leb128-1.9.0.tgz",
+      "integrity": "sha512-ENVzM5VwV1ojs9jam6vPys97B/S65YQtv/aanqnU7D8aSoHFX8GyhGg0CMfyKNIHBuAVjy3tlzd5QMMINa7wpw==",
+      "peer": true,
+      "dependencies": {
+        "@xtuc/long": "4.2.2"
+      }
+    },
+    "node_modules/@webassemblyjs/utf8": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/utf8/-/utf8-1.9.0.tgz",
+      "integrity": "sha512-GZbQlWtopBTP0u7cHrEx+73yZKrQoBMpwkGEIqlacljhXCkVM1kMQge/Mf+csMJAjEdSwhOyLAS0AoR3AG5P8w==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/wasm-edit": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-edit/-/wasm-edit-1.9.0.tgz",
+      "integrity": "sha512-FgHzBm80uwz5M8WKnMTn6j/sVbqilPdQXTWraSjBwFXSYGirpkSWE2R9Qvz9tNiTKQvoKILpCuTjBKzOIm0nxw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/helper-wasm-section": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0",
+        "@webassemblyjs/wasm-opt": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0",
+        "@webassemblyjs/wast-printer": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-gen": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-gen/-/wasm-gen-1.9.0.tgz",
+      "integrity": "sha512-cPE3o44YzOOHvlsb4+E9qSqjc9Qf9Na1OO/BHFy4OI91XDE14MjFN4lTMezzaIWdPqHnsTodGGNP+iRSYfGkjA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/ieee754": "1.9.0",
+        "@webassemblyjs/leb128": "1.9.0",
+        "@webassemblyjs/utf8": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-opt": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-opt/-/wasm-opt-1.9.0.tgz",
+      "integrity": "sha512-Qkjgm6Anhm+OMbIL0iokO7meajkzQD71ioelnfPEj6r4eOFuqm4YC3VBPqXjFyyNwowzbMD+hizmprP/Fwkl2A==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-parser/-/wasm-parser-1.9.0.tgz",
+      "integrity": "sha512-9+wkMowR2AmdSWQzsPEjFU7njh8HTO5MqO8vjwEHuM+AMHioNqSBONRdr0NQQ3dVQrzp0s8lTcYqzUdb7YgELA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-api-error": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/ieee754": "1.9.0",
+        "@webassemblyjs/leb128": "1.9.0",
+        "@webassemblyjs/utf8": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wast-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wast-parser/-/wast-parser-1.9.0.tgz",
+      "integrity": "sha512-qsqSAP3QQ3LyZjNC/0jBJ/ToSxfYJ8kYyuiGvtn/8MK89VrNEfwj7BPQzJVHi0jGTRK2dGdJ5PRqhtjzoww+bw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/floating-point-hex-parser": "1.9.0",
+        "@webassemblyjs/helper-api-error": "1.9.0",
+        "@webassemblyjs/helper-code-frame": "1.9.0",
+        "@webassemblyjs/helper-fsm": "1.9.0",
+        "@xtuc/long": "4.2.2"
+      }
+    },
+    "node_modules/@webassemblyjs/wast-printer": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wast-printer/-/wast-printer-1.9.0.tgz",
+      "integrity": "sha512-2J0nE95rHXHyQ24cWjMKJ1tqB/ds8z/cyeOZxJhcb+rW+SQASVjuznUSmdz5GpVJTzU8JkhYut0D3siFDD6wsA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/wast-parser": "1.9.0",
+        "@xtuc/long": "4.2.2"
+      }
+    },
+    "node_modules/@xtuc/ieee754": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/@xtuc/ieee754/-/ieee754-1.2.0.tgz",
+      "integrity": "sha512-DX8nKgqcGwsc0eJSqYt5lwP4DH5FlHnmuWWBRy7X0NcaGR0ZtuyeESgMwTYVEtxmsNGY+qit4QYT/MIYTOTPeA==",
+      "peer": true
+    },
+    "node_modules/@xtuc/long": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmmirror.com/@xtuc/long/-/long-4.2.2.tgz",
+      "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==",
+      "peer": true
+    },
+    "node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmmirror.com/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "peer": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmmirror.com/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/ajv-errors": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/ajv-errors/-/ajv-errors-1.0.1.tgz",
+      "integrity": "sha512-DCRfO/4nQ+89p/RK43i8Ezd41EqdGIU4ld7nGF8OQ14oc/we5rEntLCUa7+jrn3nn83BosfwZA0wb4pon2o8iQ==",
+      "peer": true,
+      "peerDependencies": {
+        "ajv": ">=5.0.0"
+      }
+    },
+    "node_modules/ajv-keywords": {
+      "version": "3.5.2",
+      "resolved": "https://registry.npmmirror.com/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
+      "integrity": "sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==",
+      "peerDependencies": {
+        "ajv": "^6.9.1"
+      }
+    },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmmirror.com/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+      "peer": true
+    },
+    "node_modules/arr-diff": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmmirror.com/arr-diff/-/arr-diff-4.0.0.tgz",
+      "integrity": "sha512-YVIQ82gZPGBebQV/a8dar4AitzCQs0jjXwMPZllpXMaGjXPYVUawSxQrRsjhjupyVxEvbHgUmIhKVlND+j02kA==",
+      "peer": true,
+      "engines": {
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+      "peer": true,
+      "dependencies": {
+        "errno": "~0.1.7"
+      }
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+    "node_modules/worker-loader": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmmirror.com/worker-loader/-/worker-loader-2.0.0.tgz",
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+      "dependencies": {
+        "loader-utils": "^1.0.0",
+        "schema-utils": "^0.4.0"
+      },
+      "engines": {
+        "node": ">= 6.9.0 || >= 8.9.0"
+      },
+      "peerDependencies": {
+        "webpack": "^3.0.0 || ^4.0.0-alpha.0 || ^4.0.0"
+      }
+    },
+    "node_modules/worker-loader/node_modules/schema-utils": {
+      "version": "0.4.7",
+      "resolved": "https://registry.npmmirror.com/schema-utils/-/schema-utils-0.4.7.tgz",
+      "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
+      "dependencies": {
+        "ajv": "^6.1.0",
+        "ajv-keywords": "^3.1.0"
+      },
+      "engines": {
+        "node": ">= 4"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "peer": true
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmmirror.com/xtend/-/xtend-4.0.2.tgz",
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+      "peer": true,
+      "engines": {
+        "node": ">=0.4"
+      }
+    },
+    "node_modules/y18n": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmmirror.com/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
+      "peer": true
+    },
+    "node_modules/yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "peer": true
+    }
+  }
+}
diff --git a/node_modules/@types/json-schema/LICENSE b/node_modules/@types/json-schema/LICENSE
new file mode 100644
index 00000000..9e841e7a
--- /dev/null
+++ b/node_modules/@types/json-schema/LICENSE
@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE
diff --git a/node_modules/@types/json-schema/README.md b/node_modules/@types/json-schema/README.md
new file mode 100644
index 00000000..42d55d37
--- /dev/null
+++ b/node_modules/@types/json-schema/README.md
@@ -0,0 +1,15 @@
+# Installation
+> `npm install --save @types/json-schema`
+
+# Summary
+This package contains type definitions for json-schema (https://github.com/kriszyp/json-schema).
+
+# Details
+Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/json-schema.
+
+### Additional Details
+ * Last updated: Tue, 07 Nov 2023 03:09:37 GMT
+ * Dependencies: none
+
+# Credits
+These definitions were written by [Boris Cherny](https://github.com/bcherny), [Lucian Buzzo](https://github.com/lucianbuzzo), [Roland Groza](https://github.com/rolandjitsu), and [Jason Kwok](https://github.com/JasonHK).
diff --git a/node_modules/@types/json-schema/index.d.ts b/node_modules/@types/json-schema/index.d.ts
new file mode 100644
index 00000000..9381e999
--- /dev/null
+++ b/node_modules/@types/json-schema/index.d.ts
@@ -0,0 +1,749 @@
+// ==================================================================================================
+// JSON Schema Draft 04
+// ==================================================================================================
+
+/**
+ * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.1
+ */
+export type JSONSchema4TypeName =
+    | "string" //
+    | "number"
+    | "integer"
+    | "boolean"
+    | "object"
+    | "array"
+    | "null"
+    | "any";
+
+/**
+ * @see https://tools.ietf.org/html/draft-zyp-json-schema-04#section-3.5
+ */
+export type JSONSchema4Type =
+    | string //
+    | number
+    | boolean
+    | JSONSchema4Object
+    | JSONSchema4Array
+    | null;
+
+// Workaround for infinite type recursion
+export interface JSONSchema4Object {
+    [key: string]: JSONSchema4Type;
+}
+
+// Workaround for infinite type recursion
+// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540
+export interface JSONSchema4Array extends Array<JSONSchema4Type> {}
+
+/**
+ * Meta schema
+ *
+ * Recommended values:
+ * - 'http://json-schema.org/schema#'
+ * - 'http://json-schema.org/hyper-schema#'
+ * - 'http://json-schema.org/draft-04/schema#'
+ * - 'http://json-schema.org/draft-04/hyper-schema#'
+ * - 'http://json-schema.org/draft-03/schema#'
+ * - 'http://json-schema.org/draft-03/hyper-schema#'
+ *
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5
+ */
+export type JSONSchema4Version = string;
+
+/**
+ * JSON Schema V4
+ * @see https://tools.ietf.org/html/draft-zyp-json-schema-04
+ */
+export interface JSONSchema4 {
+    id?: string | undefined;
+    $ref?: string | undefined;
+    $schema?: JSONSchema4Version | undefined;
+
+    /**
+     * This attribute is a string that provides a short description of the
+     * instance property.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.21
+     */
+    title?: string | undefined;
+
+    /**
+     * This attribute is a string that provides a full description of the of
+     * purpose the instance property.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.22
+     */
+    description?: string | undefined;
+
+    default?: JSONSchema4Type | undefined;
+    multipleOf?: number | undefined;
+    maximum?: number | undefined;
+    exclusiveMaximum?: boolean | undefined;
+    minimum?: number | undefined;
+    exclusiveMinimum?: boolean | undefined;
+    maxLength?: number | undefined;
+    minLength?: number | undefined;
+    pattern?: string | undefined;
+
+    /**
+     * May only be defined when "items" is defined, and is a tuple of JSONSchemas.
+     *
+     * This provides a definition for additional items in an array instance
+     * when tuple definitions of the items is provided.  This can be false
+     * to indicate additional items in the array are not allowed, or it can
+     * be a schema that defines the schema of the additional items.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.6
+     */
+    additionalItems?: boolean | JSONSchema4 | undefined;
+
+    /**
+     * This attribute defines the allowed items in an instance array, and
+     * MUST be a schema or an array of schemas.  The default value is an
+     * empty schema which allows any value for items in the instance array.
+     *
+     * When this attribute value is a schema and the instance value is an
+     * array, then all the items in the array MUST be valid according to the
+     * schema.
+     *
+     * When this attribute value is an array of schemas and the instance
+     * value is an array, each position in the instance array MUST conform
+     * to the schema in the corresponding position for this array.  This
+     * called tuple typing.  When tuple typing is used, additional items are
+     * allowed, disallowed, or constrained by the "additionalItems"
+     * (Section 5.6) attribute using the same rules as
+     * "additionalProperties" (Section 5.4) for objects.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.5
+     */
+    items?: JSONSchema4 | JSONSchema4[] | undefined;
+
+    maxItems?: number | undefined;
+    minItems?: number | undefined;
+    uniqueItems?: boolean | undefined;
+    maxProperties?: number | undefined;
+    minProperties?: number | undefined;
+
+    /**
+     * This attribute indicates if the instance must have a value, and not
+     * be undefined. This is false by default, making the instance
+     * optional.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.7
+     */
+    required?: boolean | string[] | undefined;
+
+    /**
+     * This attribute defines a schema for all properties that are not
+     * explicitly defined in an object type definition. If specified, the
+     * value MUST be a schema or a boolean. If false is provided, no
+     * additional properties are allowed beyond the properties defined in
+     * the schema. The default value is an empty schema which allows any
+     * value for additional properties.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.4
+     */
+    additionalProperties?: boolean | JSONSchema4 | undefined;
+
+    definitions?: {
+        [k: string]: JSONSchema4;
+    } | undefined;
+
+    /**
+     * This attribute is an object with property definitions that define the
+     * valid values of instance object property values. When the instance
+     * value is an object, the property values of the instance object MUST
+     * conform to the property definitions in this object. In this object,
+     * each property definition's value MUST be a schema, and the property's
+     * name MUST be the name of the instance property that it defines.  The
+     * instance property value MUST be valid according to the schema from
+     * the property definition. Properties are considered unordered, the
+     * order of the instance properties MAY be in any order.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.2
+     */
+    properties?: {
+        [k: string]: JSONSchema4;
+    } | undefined;
+
+    /**
+     * This attribute is an object that defines the schema for a set of
+     * property names of an object instance. The name of each property of
+     * this attribute's object is a regular expression pattern in the ECMA
+     * 262/Perl 5 format, while the value is a schema. If the pattern
+     * matches the name of a property on the instance object, the value of
+     * the instance's property MUST be valid against the pattern name's
+     * schema value.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.3
+     */
+    patternProperties?: {
+        [k: string]: JSONSchema4;
+    } | undefined;
+    dependencies?: {
+        [k: string]: JSONSchema4 | string[];
+    } | undefined;
+
+    /**
+     * This provides an enumeration of all possible values that are valid
+     * for the instance property. This MUST be an array, and each item in
+     * the array represents a possible value for the instance value. If
+     * this attribute is defined, the instance value MUST be one of the
+     * values in the array in order for the schema to be valid.
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.19
+     */
+    enum?: JSONSchema4Type[] | undefined;
+
+    /**
+     * A single type, or a union of simple types
+     */
+    type?: JSONSchema4TypeName | JSONSchema4TypeName[] | undefined;
+
+    allOf?: JSONSchema4[] | undefined;
+    anyOf?: JSONSchema4[] | undefined;
+    oneOf?: JSONSchema4[] | undefined;
+    not?: JSONSchema4 | undefined;
+
+    /**
+     * The value of this property MUST be another schema which will provide
+     * a base schema which the current schema will inherit from.  The
+     * inheritance rules are such that any instance that is valid according
+     * to the current schema MUST be valid according to the referenced
+     * schema.  This MAY also be an array, in which case, the instance MUST
+     * be valid for all the schemas in the array.  A schema that extends
+     * another schema MAY define additional attributes, constrain existing
+     * attributes, or add other constraints.
+     *
+     * Conceptually, the behavior of extends can be seen as validating an
+     * instance against all constraints in the extending schema as well as
+     * the extended schema(s).
+     *
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.26
+     */
+    extends?: string | string[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-zyp-json-schema-04#section-5.6
+     */
+    [k: string]: any;
+
+    format?: string | undefined;
+}
+
+// ==================================================================================================
+// JSON Schema Draft 06
+// ==================================================================================================
+
+export type JSONSchema6TypeName =
+    | "string" //
+    | "number"
+    | "integer"
+    | "boolean"
+    | "object"
+    | "array"
+    | "null"
+    | "any";
+
+export type JSONSchema6Type =
+    | string //
+    | number
+    | boolean
+    | JSONSchema6Object
+    | JSONSchema6Array
+    | null;
+
+// Workaround for infinite type recursion
+export interface JSONSchema6Object {
+    [key: string]: JSONSchema6Type;
+}
+
+// Workaround for infinite type recursion
+// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540
+export interface JSONSchema6Array extends Array<JSONSchema6Type> {}
+
+/**
+ * Meta schema
+ *
+ * Recommended values:
+ * - 'http://json-schema.org/schema#'
+ * - 'http://json-schema.org/hyper-schema#'
+ * - 'http://json-schema.org/draft-06/schema#'
+ * - 'http://json-schema.org/draft-06/hyper-schema#'
+ *
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5
+ */
+export type JSONSchema6Version = string;
+
+/**
+ * JSON Schema V6
+ * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01
+ */
+export type JSONSchema6Definition = JSONSchema6 | boolean;
+export interface JSONSchema6 {
+    $id?: string | undefined;
+    $ref?: string | undefined;
+    $schema?: JSONSchema6Version | undefined;
+
+    /**
+     * Must be strictly greater than 0.
+     * A numeric instance is valid only if division by this keyword's value results in an integer.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.1
+     */
+    multipleOf?: number | undefined;
+
+    /**
+     * Representing an inclusive upper limit for a numeric instance.
+     * This keyword validates only if the instance is less than or exactly equal to "maximum".
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.2
+     */
+    maximum?: number | undefined;
+
+    /**
+     * Representing an exclusive upper limit for a numeric instance.
+     * This keyword validates only if the instance is strictly less than (not equal to) to "exclusiveMaximum".
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.3
+     */
+    exclusiveMaximum?: number | undefined;
+
+    /**
+     * Representing an inclusive lower limit for a numeric instance.
+     * This keyword validates only if the instance is greater than or exactly equal to "minimum".
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.4
+     */
+    minimum?: number | undefined;
+
+    /**
+     * Representing an exclusive lower limit for a numeric instance.
+     * This keyword validates only if the instance is strictly greater than (not equal to) to "exclusiveMinimum".
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.5
+     */
+    exclusiveMinimum?: number | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * A string instance is valid against this keyword if its length is less than, or equal to, the value of this keyword.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.6
+     */
+    maxLength?: number | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * A string instance is valid against this keyword if its length is greater than, or equal to, the value of this keyword.
+     * Omitting this keyword has the same behavior as a value of 0.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.7
+     */
+    minLength?: number | undefined;
+
+    /**
+     * Should be a valid regular expression, according to the ECMA 262 regular expression dialect.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.8
+     */
+    pattern?: string | undefined;
+
+    /**
+     * This keyword determines how child instances validate for arrays, and does not directly validate the immediate instance itself.
+     * Omitting this keyword has the same behavior as an empty schema.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.9
+     */
+    items?: JSONSchema6Definition | JSONSchema6Definition[] | undefined;
+
+    /**
+     * This keyword determines how child instances validate for arrays, and does not directly validate the immediate instance itself.
+     * If "items" is an array of schemas, validation succeeds if every instance element
+     * at a position greater than the size of "items" validates against "additionalItems".
+     * Otherwise, "additionalItems" MUST be ignored, as the "items" schema
+     * (possibly the default value of an empty schema) is applied to all elements.
+     * Omitting this keyword has the same behavior as an empty schema.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.10
+     */
+    additionalItems?: JSONSchema6Definition | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * An array instance is valid against "maxItems" if its size is less than, or equal to, the value of this keyword.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.11
+     */
+    maxItems?: number | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * An array instance is valid against "maxItems" if its size is greater than, or equal to, the value of this keyword.
+     * Omitting this keyword has the same behavior as a value of 0.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.12
+     */
+    minItems?: number | undefined;
+
+    /**
+     * If this keyword has boolean value false, the instance validates successfully.
+     * If it has boolean value true, the instance validates successfully if all of its elements are unique.
+     * Omitting this keyword has the same behavior as a value of false.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.13
+     */
+    uniqueItems?: boolean | undefined;
+
+    /**
+     * An array instance is valid against "contains" if at least one of its elements is valid against the given schema.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.14
+     */
+    contains?: JSONSchema6Definition | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * An object instance is valid against "maxProperties" if its number of properties is less than, or equal to, the value of this keyword.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.15
+     */
+    maxProperties?: number | undefined;
+
+    /**
+     * Must be a non-negative integer.
+     * An object instance is valid against "maxProperties" if its number of properties is greater than,
+     * or equal to, the value of this keyword.
+     * Omitting this keyword has the same behavior as a value of 0.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.16
+     */
+    minProperties?: number | undefined;
+
+    /**
+     * Elements of this array must be unique.
+     * An object instance is valid against this keyword if every item in the array is the name of a property in the instance.
+     * Omitting this keyword has the same behavior as an empty array.
+     *
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.17
+     */
+    required?: string[] | undefined;
+
+    /**
+     * This keyword determines how child instances validate for objects, and does not directly validate the immediate instance itself.
+     * Validation succeeds if, for each name that appears in both the instance and as a name within this keyword's value,
+     * the child instance for that name successfully validates against the corresponding schema.
+     * Omitting this keyword has the same behavior as an empty object.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.18
+     */
+    properties?: {
+        [k: string]: JSONSchema6Definition;
+    } | undefined;
+
+    /**
+     * This attribute is an object that defines the schema for a set of property names of an object instance.
+     * The name of each property of this attribute's object is a regular expression pattern in the ECMA 262, while the value is a schema.
+     * If the pattern matches the name of a property on the instance object, the value of the instance's property
+     * MUST be valid against the pattern name's schema value.
+     * Omitting this keyword has the same behavior as an empty object.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.19
+     */
+    patternProperties?: {
+        [k: string]: JSONSchema6Definition;
+    } | undefined;
+
+    /**
+     * This attribute defines a schema for all properties that are not explicitly defined in an object type definition.
+     * If specified, the value MUST be a schema or a boolean.
+     * If false is provided, no additional properties are allowed beyond the properties defined in the schema.
+     * The default value is an empty schema which allows any value for additional properties.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.20
+     */
+    additionalProperties?: JSONSchema6Definition | undefined;
+
+    /**
+     * This keyword specifies rules that are evaluated if the instance is an object and contains a certain property.
+     * Each property specifies a dependency.
+     * If the dependency value is an array, each element in the array must be unique.
+     * Omitting this keyword has the same behavior as an empty object.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.21
+     */
+    dependencies?: {
+        [k: string]: JSONSchema6Definition | string[];
+    } | undefined;
+
+    /**
+     * Takes a schema which validates the names of all properties rather than their values.
+     * Note the property name that the schema is testing will always be a string.
+     * Omitting this keyword has the same behavior as an empty schema.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.22
+     */
+    propertyNames?: JSONSchema6Definition | undefined;
+
+    /**
+     * This provides an enumeration of all possible values that are valid
+     * for the instance property. This MUST be an array, and each item in
+     * the array represents a possible value for the instance value. If
+     * this attribute is defined, the instance value MUST be one of the
+     * values in the array in order for the schema to be valid.
+     *
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.23
+     */
+    enum?: JSONSchema6Type[] | undefined;
+
+    /**
+     * More readable form of a one-element "enum"
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.24
+     */
+    const?: JSONSchema6Type | undefined;
+
+    /**
+     * A single type, or a union of simple types
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.25
+     */
+    type?: JSONSchema6TypeName | JSONSchema6TypeName[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.26
+     */
+    allOf?: JSONSchema6Definition[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.27
+     */
+    anyOf?: JSONSchema6Definition[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.28
+     */
+    oneOf?: JSONSchema6Definition[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.29
+     */
+    not?: JSONSchema6Definition | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.1
+     */
+    definitions?: {
+        [k: string]: JSONSchema6Definition;
+    } | undefined;
+
+    /**
+     * This attribute is a string that provides a short description of the instance property.
+     *
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.2
+     */
+    title?: string | undefined;
+
+    /**
+     * This attribute is a string that provides a full description of the of purpose the instance property.
+     *
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.2
+     */
+    description?: string | undefined;
+
+    /**
+     * This keyword can be used to supply a default JSON value associated with a particular schema.
+     * It is RECOMMENDED that a default value be valid against the associated schema.
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.3
+     */
+    default?: JSONSchema6Type | undefined;
+
+    /**
+     * Array of examples with no validation effect the value of "default" is usable as an example without repeating it under this keyword
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.4
+     */
+    examples?: JSONSchema6Type[] | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-8
+     */
+    format?: string | undefined;
+}
+
+// ==================================================================================================
+// JSON Schema Draft 07
+// ==================================================================================================
+// https://tools.ietf.org/html/draft-handrews-json-schema-validation-01
+// --------------------------------------------------------------------------------------------------
+
+/**
+ * Primitive type
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1.1
+ */
+export type JSONSchema7TypeName =
+    | "string" //
+    | "number"
+    | "integer"
+    | "boolean"
+    | "object"
+    | "array"
+    | "null";
+
+/**
+ * Primitive type
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1.1
+ */
+export type JSONSchema7Type =
+    | string //
+    | number
+    | boolean
+    | JSONSchema7Object
+    | JSONSchema7Array
+    | null;
+
+// Workaround for infinite type recursion
+export interface JSONSchema7Object {
+    [key: string]: JSONSchema7Type;
+}
+
+// Workaround for infinite type recursion
+// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540
+export interface JSONSchema7Array extends Array<JSONSchema7Type> {}
+
+/**
+ * Meta schema
+ *
+ * Recommended values:
+ * - 'http://json-schema.org/schema#'
+ * - 'http://json-schema.org/hyper-schema#'
+ * - 'http://json-schema.org/draft-07/schema#'
+ * - 'http://json-schema.org/draft-07/hyper-schema#'
+ *
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5
+ */
+export type JSONSchema7Version = string;
+
+/**
+ * JSON Schema v7
+ * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01
+ */
+export type JSONSchema7Definition = JSONSchema7 | boolean;
+export interface JSONSchema7 {
+    $id?: string | undefined;
+    $ref?: string | undefined;
+    $schema?: JSONSchema7Version | undefined;
+    $comment?: string | undefined;
+
+    /**
+     * @see https://datatracker.ietf.org/doc/html/draft-bhutton-json-schema-00#section-8.2.4
+     * @see https://datatracker.ietf.org/doc/html/draft-bhutton-json-schema-validation-00#appendix-A
+     */
+    $defs?: {
+        [key: string]: JSONSchema7Definition;
+    } | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1
+     */
+    type?: JSONSchema7TypeName | JSONSchema7TypeName[] | undefined;
+    enum?: JSONSchema7Type[] | undefined;
+    const?: JSONSchema7Type | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.2
+     */
+    multipleOf?: number | undefined;
+    maximum?: number | undefined;
+    exclusiveMaximum?: number | undefined;
+    minimum?: number | undefined;
+    exclusiveMinimum?: number | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.3
+     */
+    maxLength?: number | undefined;
+    minLength?: number | undefined;
+    pattern?: string | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.4
+     */
+    items?: JSONSchema7Definition | JSONSchema7Definition[] | undefined;
+    additionalItems?: JSONSchema7Definition | undefined;
+    maxItems?: number | undefined;
+    minItems?: number | undefined;
+    uniqueItems?: boolean | undefined;
+    contains?: JSONSchema7Definition | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.5
+     */
+    maxProperties?: number | undefined;
+    minProperties?: number | undefined;
+    required?: string[] | undefined;
+    properties?: {
+        [key: string]: JSONSchema7Definition;
+    } | undefined;
+    patternProperties?: {
+        [key: string]: JSONSchema7Definition;
+    } | undefined;
+    additionalProperties?: JSONSchema7Definition | undefined;
+    dependencies?: {
+        [key: string]: JSONSchema7Definition | string[];
+    } | undefined;
+    propertyNames?: JSONSchema7Definition | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.6
+     */
+    if?: JSONSchema7Definition | undefined;
+    then?: JSONSchema7Definition | undefined;
+    else?: JSONSchema7Definition | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.7
+     */
+    allOf?: JSONSchema7Definition[] | undefined;
+    anyOf?: JSONSchema7Definition[] | undefined;
+    oneOf?: JSONSchema7Definition[] | undefined;
+    not?: JSONSchema7Definition | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-7
+     */
+    format?: string | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-8
+     */
+    contentMediaType?: string | undefined;
+    contentEncoding?: string | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-9
+     */
+    definitions?: {
+        [key: string]: JSONSchema7Definition;
+    } | undefined;
+
+    /**
+     * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-10
+     */
+    title?: string | undefined;
+    description?: string | undefined;
+    default?: JSONSchema7Type | undefined;
+    readOnly?: boolean | undefined;
+    writeOnly?: boolean | undefined;
+    examples?: JSONSchema7Type | undefined;
+}
+
+export interface ValidationResult {
+    valid: boolean;
+    errors: ValidationError[];
+}
+
+export interface ValidationError {
+    property: string;
+    message: string;
+}
+
+/**
+ * To use the validator call JSONSchema.validate with an instance object and an optional schema object.
+ * If a schema is provided, it will be used to validate. If the instance object refers to a schema (self-validating),
+ * that schema will be used to validate and the schema parameter is not necessary (if both exist,
+ * both validations will occur).
+ */
+export function validate(instance: {}, schema: JSONSchema4 | JSONSchema6 | JSONSchema7): ValidationResult;
+
+/**
+ * The checkPropertyChange method will check to see if an value can legally be in property with the given schema
+ * This is slightly different than the validate method in that it will fail if the schema is readonly and it will
+ * not check for self-validation, it is assumed that the passed in value is already internally valid.
+ */
+export function checkPropertyChange(
+    value: any,
+    schema: JSONSchema4 | JSONSchema6 | JSONSchema7,
+    property: string,
+): ValidationResult;
+
+/**
+ * This checks to ensure that the result is valid and will throw an appropriate error message if it is not.
+ */
+export function mustBeValid(result: ValidationResult): void;
diff --git a/node_modules/@types/json-schema/package.json b/node_modules/@types/json-schema/package.json
new file mode 100644
index 00000000..3c41bd7f
--- /dev/null
+++ b/node_modules/@types/json-schema/package.json
@@ -0,0 +1,40 @@
+{
+    "name": "@types/json-schema",
+    "version": "7.0.15",
+    "description": "TypeScript definitions for json-schema",
+    "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/json-schema",
+    "license": "MIT",
+    "contributors": [
+        {
+            "name": "Boris Cherny",
+            "githubUsername": "bcherny",
+            "url": "https://github.com/bcherny"
+        },
+        {
+            "name": "Lucian Buzzo",
+            "githubUsername": "lucianbuzzo",
+            "url": "https://github.com/lucianbuzzo"
+        },
+        {
+            "name": "Roland Groza",
+            "githubUsername": "rolandjitsu",
+            "url": "https://github.com/rolandjitsu"
+        },
+        {
+            "name": "Jason Kwok",
+            "githubUsername": "JasonHK",
+            "url": "https://github.com/JasonHK"
+        }
+    ],
+    "main": "",
+    "types": "index.d.ts",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
+        "directory": "types/json-schema"
+    },
+    "scripts": {},
+    "dependencies": {},
+    "typesPublisherContentHash": "79984fd70cd25c3f7d72b84368778c763c89728ea0073832d745d4691b705257",
+    "typeScriptVersion": "4.5"
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/LICENSE b/node_modules/@webassemblyjs/ast/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/ast/README.md b/node_modules/@webassemblyjs/ast/README.md
new file mode 100644
index 00000000..75602446
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/README.md
@@ -0,0 +1,167 @@
+# @webassemblyjs/ast
+
+> AST utils for webassemblyjs
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/ast
+```
+
+## Usage
+
+### Traverse
+
+```js
+import { traverse } from "@webassemblyjs/ast";
+
+traverse(ast, {
+  Module(path) {
+    console.log(path.node);
+  }
+});
+```
+
+### Instruction signatures
+
+```js
+import { signatures } from "@webassemblyjs/ast";
+
+console.log(signatures);
+```
+
+### Path methods
+
+- `findParent: NodeLocator`
+- `replaceWith: Node => void`
+- `remove: () => void`
+- `insertBefore: Node => void`
+- `insertAfter: Node => void`
+- `stop: () => void`
+
+### AST utils
+
+- function `module(id, fields, metadata)`
+- function `moduleMetadata(sections, functionNames, localNames)`
+- function `moduleNameMetadata(value)`
+- function `functionNameMetadata(value, index)`
+- function `localNameMetadata(value, localIndex, functionIndex)`
+- function `binaryModule(id, blob)`
+- function `quoteModule(id, string)`
+- function `sectionMetadata(section, startOffset, size, vectorOfSize)`
+- function `loopInstruction(label, resulttype, instr)`
+- function `instruction(id, args, namedArgs)`
+- function `objectInstruction(id, object, args, namedArgs)`
+- function `ifInstruction(testLabel, test, result, consequent, alternate)`
+- function `stringLiteral(value)`
+- function `numberLiteralFromRaw(value, raw)`
+- function `longNumberLiteral(value, raw)`
+- function `floatLiteral(value, nan, inf, raw)`
+- function `elem(table, offset, funcs)`
+- function `indexInFuncSection(index)`
+- function `valtypeLiteral(name)`
+- function `typeInstruction(id, functype)`
+- function `start(index)`
+- function `globalType(valtype, mutability)`
+- function `leadingComment(value)`
+- function `blockComment(value)`
+- function `data(memoryIndex, offset, init)`
+- function `global(globalType, init, name)`
+- function `table(elementType, limits, name, elements)`
+- function `memory(limits, id)`
+- function `funcImportDescr(id, signature)`
+- function `moduleImport(module, name, descr)`
+- function `moduleExportDescr(exportType, id)`
+- function `moduleExport(name, descr)`
+- function `limit(min, max)`
+- function `signature(params, results)`
+- function `program(body)`
+- function `identifier(value, raw)`
+- function `blockInstruction(label, instr, result)`
+- function `callInstruction(index, instrArgs)`
+- function `callIndirectInstruction(signature, intrs)`
+- function `byteArray(values)`
+- function `func(name, signature, body, isExternal, metadata)`
+- Constant`isModule`
+- Constant`isModuleMetadata`
+- Constant`isModuleNameMetadata`
+- Constant`isFunctionNameMetadata`
+- Constant`isLocalNameMetadata`
+- Constant`isBinaryModule`
+- Constant`isQuoteModule`
+- Constant`isSectionMetadata`
+- Constant`isLoopInstruction`
+- Constant`isInstruction`
+- Constant`isObjectInstruction`
+- Constant`isIfInstruction`
+- Constant`isStringLiteral`
+- Constant`isNumberLiteral`
+- Constant`isLongNumberLiteral`
+- Constant`isFloatLiteral`
+- Constant`isElem`
+- Constant`isIndexInFuncSection`
+- Constant`isValtypeLiteral`
+- Constant`isTypeInstruction`
+- Constant`isStart`
+- Constant`isGlobalType`
+- Constant`isLeadingComment`
+- Constant`isBlockComment`
+- Constant`isData`
+- Constant`isGlobal`
+- Constant`isTable`
+- Constant`isMemory`
+- Constant`isFuncImportDescr`
+- Constant`isModuleImport`
+- Constant`isModuleExportDescr`
+- Constant`isModuleExport`
+- Constant`isLimit`
+- Constant`isSignature`
+- Constant`isProgram`
+- Constant`isIdentifier`
+- Constant`isBlockInstruction`
+- Constant`isCallInstruction`
+- Constant`isCallIndirectInstruction`
+- Constant`isByteArray`
+- Constant`isFunc`
+- Constant`assertModule`
+- Constant`assertModuleMetadata`
+- Constant`assertModuleNameMetadata`
+- Constant`assertFunctionNameMetadata`
+- Constant`assertLocalNameMetadata`
+- Constant`assertBinaryModule`
+- Constant`assertQuoteModule`
+- Constant`assertSectionMetadata`
+- Constant`assertLoopInstruction`
+- Constant`assertInstruction`
+- Constant`assertObjectInstruction`
+- Constant`assertIfInstruction`
+- Constant`assertStringLiteral`
+- Constant`assertNumberLiteral`
+- Constant`assertLongNumberLiteral`
+- Constant`assertFloatLiteral`
+- Constant`assertElem`
+- Constant`assertIndexInFuncSection`
+- Constant`assertValtypeLiteral`
+- Constant`assertTypeInstruction`
+- Constant`assertStart`
+- Constant`assertGlobalType`
+- Constant`assertLeadingComment`
+- Constant`assertBlockComment`
+- Constant`assertData`
+- Constant`assertGlobal`
+- Constant`assertTable`
+- Constant`assertMemory`
+- Constant`assertFuncImportDescr`
+- Constant`assertModuleImport`
+- Constant`assertModuleExportDescr`
+- Constant`assertModuleExport`
+- Constant`assertLimit`
+- Constant`assertSignature`
+- Constant`assertProgram`
+- Constant`assertIdentifier`
+- Constant`assertBlockInstruction`
+- Constant`assertCallInstruction`
+- Constant`assertCallIndirectInstruction`
+- Constant`assertByteArray`
+- Constant`assertFunc`
+
diff --git a/node_modules/@webassemblyjs/ast/esm/clone.js b/node_modules/@webassemblyjs/ast/esm/clone.js
new file mode 100644
index 00000000..92c3f5f9
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/clone.js
@@ -0,0 +1,10 @@
+export function cloneNode(n) {
+  // $FlowIgnore
+  var newObj = {};
+
+  for (var k in n) {
+    newObj[k] = n[k];
+  }
+
+  return newObj;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/definitions.js b/node_modules/@webassemblyjs/ast/esm/definitions.js
new file mode 100644
index 00000000..120311b6
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/definitions.js
@@ -0,0 +1,663 @@
+var definitions = {};
+
+function defineType(typeName, metadata) {
+  definitions[typeName] = metadata;
+}
+
+defineType("Module", {
+  spec: {
+    wasm: "https://webassembly.github.io/spec/core/binary/modules.html#binary-module",
+    wat: "https://webassembly.github.io/spec/core/text/modules.html#text-module"
+  },
+  doc: "A module consists of a sequence of sections (termed fields in the text format).",
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    fields: {
+      array: true,
+      type: "Node"
+    },
+    metadata: {
+      optional: true,
+      type: "ModuleMetadata"
+    }
+  }
+});
+defineType("ModuleMetadata", {
+  unionType: ["Node"],
+  fields: {
+    sections: {
+      array: true,
+      type: "SectionMetadata"
+    },
+    functionNames: {
+      optional: true,
+      array: true,
+      type: "FunctionNameMetadata"
+    },
+    localNames: {
+      optional: true,
+      array: true,
+      type: "ModuleMetadata"
+    },
+    producers: {
+      optional: true,
+      array: true,
+      type: "ProducersSectionMetadata"
+    }
+  }
+});
+defineType("ModuleNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("FunctionNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    index: {
+      type: "number"
+    }
+  }
+});
+defineType("LocalNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    localIndex: {
+      type: "number"
+    },
+    functionIndex: {
+      type: "number"
+    }
+  }
+});
+defineType("BinaryModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    blob: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("QuoteModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    string: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("SectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    section: {
+      type: "SectionName"
+    },
+    startOffset: {
+      type: "number"
+    },
+    size: {
+      type: "NumberLiteral"
+    },
+    vectorOfSize: {
+      comment: "Size of the vector in the section (if any)",
+      type: "NumberLiteral"
+    }
+  }
+});
+defineType("ProducersSectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    producers: {
+      array: true,
+      type: "ProducerMetadata"
+    }
+  }
+});
+defineType("ProducerMetadata", {
+  unionType: ["Node"],
+  fields: {
+    language: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    processedBy: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    sdk: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    }
+  }
+});
+defineType("ProducerMetadataVersionedName", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    version: {
+      type: "string"
+    }
+  }
+});
+/*
+Instructions
+*/
+
+defineType("LoopInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "loop"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    resulttype: {
+      maybe: true,
+      type: "Valtype"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+defineType("Instr", {
+  unionType: ["Node", "Expression", "Instruction"],
+  fields: {
+    id: {
+      type: "string"
+    },
+    object: {
+      optional: true,
+      type: "Valtype"
+    },
+    args: {
+      array: true,
+      type: "Expression"
+    },
+    namedArgs: {
+      optional: true,
+      type: "Object"
+    }
+  }
+});
+defineType("IfInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "if"
+    },
+    testLabel: {
+      comment: "only for WAST",
+      type: "Identifier"
+    },
+    test: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    },
+    consequent: {
+      array: true,
+      type: "Instruction"
+    },
+    alternate: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+/* 
+Concrete value types
+*/
+
+defineType("StringLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("NumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("LongNumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "LongNumber"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("FloatLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    nan: {
+      optional: true,
+      type: "boolean"
+    },
+    inf: {
+      optional: true,
+      type: "boolean"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("Elem", {
+  unionType: ["Node"],
+  fields: {
+    table: {
+      type: "Index"
+    },
+    offset: {
+      array: true,
+      type: "Instruction"
+    },
+    funcs: {
+      array: true,
+      type: "Index"
+    }
+  }
+});
+defineType("IndexInFuncSection", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("ValtypeLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    name: {
+      type: "Valtype"
+    }
+  }
+});
+defineType("TypeInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "Index"
+    },
+    functype: {
+      type: "Signature"
+    }
+  }
+});
+defineType("Start", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("GlobalType", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    valtype: {
+      type: "Valtype"
+    },
+    mutability: {
+      type: "Mutability"
+    }
+  }
+});
+defineType("LeadingComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("BlockComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("Data", {
+  unionType: ["Node"],
+  fields: {
+    memoryIndex: {
+      type: "Memidx"
+    },
+    offset: {
+      type: "Instruction"
+    },
+    init: {
+      type: "ByteArray"
+    }
+  }
+});
+defineType("Global", {
+  unionType: ["Node"],
+  fields: {
+    globalType: {
+      type: "GlobalType"
+    },
+    init: {
+      array: true,
+      type: "Instruction"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    }
+  }
+});
+defineType("Table", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    elementType: {
+      type: "TableElementType"
+    },
+    limits: {
+      assertNodeType: true,
+      type: "Limit"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    },
+    elements: {
+      array: true,
+      optional: true,
+      type: "Index"
+    }
+  }
+});
+defineType("Memory", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    limits: {
+      type: "Limit"
+    },
+    id: {
+      maybe: true,
+      type: "Index"
+    }
+  }
+});
+defineType("FuncImportDescr", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    id: {
+      type: "Identifier"
+    },
+    signature: {
+      type: "Signature"
+    }
+  }
+});
+defineType("ModuleImport", {
+  unionType: ["Node"],
+  fields: {
+    module: {
+      type: "string"
+    },
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ImportDescr"
+    }
+  }
+});
+defineType("ModuleExportDescr", {
+  unionType: ["Node"],
+  fields: {
+    exportType: {
+      type: "ExportDescrType"
+    },
+    id: {
+      type: "Index"
+    }
+  }
+});
+defineType("ModuleExport", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ModuleExportDescr"
+    }
+  }
+});
+defineType("Limit", {
+  unionType: ["Node"],
+  fields: {
+    min: {
+      type: "number"
+    },
+    max: {
+      optional: true,
+      type: "number"
+    }
+  }
+});
+defineType("Signature", {
+  unionType: ["Node"],
+  fields: {
+    params: {
+      array: true,
+      type: "FuncParam"
+    },
+    results: {
+      array: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("Program", {
+  unionType: ["Node"],
+  fields: {
+    body: {
+      array: true,
+      type: "Node"
+    }
+  }
+});
+defineType("Identifier", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    raw: {
+      optional: true,
+      type: "string"
+    }
+  }
+});
+defineType("BlockInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "block"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("CallInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call"
+    },
+    index: {
+      type: "Index"
+    },
+    instrArgs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    },
+    numeric: {
+      type: "Index",
+      optional: true
+    }
+  }
+});
+defineType("CallIndirectInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call_indirect"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    intrs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    }
+  }
+});
+defineType("ByteArray", {
+  unionType: ["Node"],
+  fields: {
+    values: {
+      array: true,
+      type: "Byte"
+    }
+  }
+});
+defineType("Func", {
+  unionType: ["Node", "Block"],
+  fields: {
+    name: {
+      maybe: true,
+      type: "Index"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    body: {
+      array: true,
+      type: "Instruction"
+    },
+    isExternal: {
+      comment: "means that it has been imported from the outside js",
+      optional: true,
+      type: "boolean"
+    },
+    metadata: {
+      optional: true,
+      type: "FuncMetadata"
+    }
+  }
+});
+/**
+ * Intrinsics
+ */
+
+defineType("InternalBrUnless", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalGoto", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalCallExtern", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+}); // function bodies are terminated by an `end` instruction but are missing a
+// return instruction
+//
+// Since we can't inject a new instruction we are injecting a new instruction.
+
+defineType("InternalEndAndReturn", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {}
+});
+module.exports = definitions;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/index.js b/node_modules/@webassemblyjs/ast/esm/index.js
new file mode 100644
index 00000000..3bce891b
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/index.js
@@ -0,0 +1,6 @@
+export * from "./nodes";
+export { numberLiteralFromRaw, withLoc, withRaw, funcParam, indexLiteral, memIndexLiteral, instruction, objectInstruction } from "./node-helpers.js";
+export { traverse } from "./traverse";
+export { signatures } from "./signatures";
+export * from "./utils";
+export { cloneNode } from "./clone";
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/node-helpers.js b/node_modules/@webassemblyjs/ast/esm/node-helpers.js
new file mode 100644
index 00000000..fb91cae2
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/node-helpers.js
@@ -0,0 +1,84 @@
+import { parse32F, parse64F, parse32I, parse64I, parseU32, isNanLiteral, isInfLiteral } from "@webassemblyjs/wast-parser";
+import { longNumberLiteral, floatLiteral, numberLiteral, instr } from "./nodes";
+export function numberLiteralFromRaw(rawValue) {
+  var instructionType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "i32";
+  var original = rawValue; // Remove numeric separators _
+
+  if (typeof rawValue === "string") {
+    rawValue = rawValue.replace(/_/g, "");
+  }
+
+  if (typeof rawValue === "number") {
+    return numberLiteral(rawValue, String(original));
+  } else {
+    switch (instructionType) {
+      case "i32":
+        {
+          return numberLiteral(parse32I(rawValue), String(original));
+        }
+
+      case "u32":
+        {
+          return numberLiteral(parseU32(rawValue), String(original));
+        }
+
+      case "i64":
+        {
+          return longNumberLiteral(parse64I(rawValue), String(original));
+        }
+
+      case "f32":
+        {
+          return floatLiteral(parse32F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
+        }
+      // f64
+
+      default:
+        {
+          return floatLiteral(parse64F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
+        }
+    }
+  }
+}
+export function instruction(id) {
+  var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+  var namedArgs = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+  return instr(id, undefined, args, namedArgs);
+}
+export function objectInstruction(id, object) {
+  var args = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
+  var namedArgs = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
+  return instr(id, object, args, namedArgs);
+}
+/**
+ * Decorators
+ */
+
+export function withLoc(n, end, start) {
+  var loc = {
+    start: start,
+    end: end
+  };
+  n.loc = loc;
+  return n;
+}
+export function withRaw(n, raw) {
+  n.raw = raw;
+  return n;
+}
+export function funcParam(valtype, id) {
+  return {
+    id: id,
+    valtype: valtype
+  };
+}
+export function indexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
+export function memIndexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/node-path.js b/node_modules/@webassemblyjs/ast/esm/node-path.js
new file mode 100644
index 00000000..99909ae8
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/node-path.js
@@ -0,0 +1,137 @@
+function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+function findParent(_ref, cb) {
+  var parentPath = _ref.parentPath;
+
+  if (parentPath == null) {
+    throw new Error("node is root");
+  }
+
+  var currentPath = parentPath;
+
+  while (cb(currentPath) !== false) {
+    // Hit the root node, stop
+    // $FlowIgnore
+    if (currentPath.parentPath == null) {
+      return null;
+    } // $FlowIgnore
+
+
+    currentPath = currentPath.parentPath;
+  }
+
+  return currentPath.node;
+}
+
+function insertBefore(context, newNode) {
+  return insert(context, newNode);
+}
+
+function insertAfter(context, newNode) {
+  return insert(context, newNode, 1);
+}
+
+function insert(_ref2, newNode) {
+  var node = _ref2.node,
+      inList = _ref2.inList,
+      parentPath = _ref2.parentPath,
+      parentKey = _ref2.parentKey;
+  var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+  if (!inList) {
+    throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
+  }
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentList = parentPath.node[parentKey];
+  var indexInList = parentList.findIndex(function (n) {
+    return n === node;
+  });
+  parentList.splice(indexInList + indexOffset, 0, newNode);
+}
+
+function remove(_ref3) {
+  var node = _ref3.node,
+      parentKey = _ref3.parentKey,
+      parentPath = _ref3.parentPath;
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentNode = parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    // $FlowIgnore
+    parentNode[parentKey] = parentProperty.filter(function (n) {
+      return n !== node;
+    });
+  } else {
+    // $FlowIgnore
+    delete parentNode[parentKey];
+  }
+
+  node._deleted = true;
+}
+
+function stop(context) {
+  context.shouldStop = true;
+}
+
+function replaceWith(context, newNode) {
+  // $FlowIgnore
+  var parentNode = context.parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[context.parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    var indexInList = parentProperty.findIndex(function (n) {
+      return n === context.node;
+    });
+    parentProperty.splice(indexInList, 1, newNode);
+  } else {
+    // $FlowIgnore
+    parentNode[context.parentKey] = newNode;
+  }
+
+  context.node._deleted = true;
+  context.node = newNode;
+} // bind the context to the first argument of node operations
+
+
+function bindNodeOperations(operations, context) {
+  var keys = Object.keys(operations);
+  var boundOperations = {};
+  keys.forEach(function (key) {
+    boundOperations[key] = operations[key].bind(null, context);
+  });
+  return boundOperations;
+}
+
+function createPathOperations(context) {
+  // $FlowIgnore
+  return bindNodeOperations({
+    findParent: findParent,
+    replaceWith: replaceWith,
+    remove: remove,
+    insertBefore: insertBefore,
+    insertAfter: insertAfter,
+    stop: stop
+  }, context);
+}
+
+export function createPath(context) {
+  var path = _extends({}, context); // $FlowIgnore
+
+
+  Object.assign(path, createPathOperations(path)); // $FlowIgnore
+
+  return path;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/nodes.js b/node_modules/@webassemblyjs/ast/esm/nodes.js
new file mode 100644
index 00000000..0f707934
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/nodes.js
@@ -0,0 +1,915 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+// THIS FILE IS AUTOGENERATED
+// see scripts/generateNodeUtils.js
+function isTypeOf(t) {
+  return function (n) {
+    return n.type === t;
+  };
+}
+
+function assertTypeOf(t) {
+  return function (n) {
+    return function () {
+      if (!(n.type === t)) {
+        throw new Error('n.type === t' + " error: " + (undefined || "unknown"));
+      }
+    }();
+  };
+}
+
+export function module(id, fields, metadata) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(fields) === "object" && typeof fields.length !== "undefined")) {
+    throw new Error('typeof fields === "object" && typeof fields.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Module",
+    id: id,
+    fields: fields
+  };
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+export function moduleMetadata(sections, functionNames, localNames, producers) {
+  if (!(_typeof(sections) === "object" && typeof sections.length !== "undefined")) {
+    throw new Error('typeof sections === "object" && typeof sections.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (functionNames !== null && functionNames !== undefined) {
+    if (!(_typeof(functionNames) === "object" && typeof functionNames.length !== "undefined")) {
+      throw new Error('typeof functionNames === "object" && typeof functionNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (localNames !== null && localNames !== undefined) {
+    if (!(_typeof(localNames) === "object" && typeof localNames.length !== "undefined")) {
+      throw new Error('typeof localNames === "object" && typeof localNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (producers !== null && producers !== undefined) {
+    if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+      throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "ModuleMetadata",
+    sections: sections
+  };
+
+  if (typeof functionNames !== "undefined" && functionNames.length > 0) {
+    node.functionNames = functionNames;
+  }
+
+  if (typeof localNames !== "undefined" && localNames.length > 0) {
+    node.localNames = localNames;
+  }
+
+  if (typeof producers !== "undefined" && producers.length > 0) {
+    node.producers = producers;
+  }
+
+  return node;
+}
+export function moduleNameMetadata(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleNameMetadata",
+    value: value
+  };
+  return node;
+}
+export function functionNameMetadata(value, index) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof index === "number")) {
+    throw new Error('typeof index === "number"' + " error: " + ("Argument index must be of type number, given: " + _typeof(index) || "unknown"));
+  }
+
+  var node = {
+    type: "FunctionNameMetadata",
+    value: value,
+    index: index
+  };
+  return node;
+}
+export function localNameMetadata(value, localIndex, functionIndex) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof localIndex === "number")) {
+    throw new Error('typeof localIndex === "number"' + " error: " + ("Argument localIndex must be of type number, given: " + _typeof(localIndex) || "unknown"));
+  }
+
+  if (!(typeof functionIndex === "number")) {
+    throw new Error('typeof functionIndex === "number"' + " error: " + ("Argument functionIndex must be of type number, given: " + _typeof(functionIndex) || "unknown"));
+  }
+
+  var node = {
+    type: "LocalNameMetadata",
+    value: value,
+    localIndex: localIndex,
+    functionIndex: functionIndex
+  };
+  return node;
+}
+export function binaryModule(id, blob) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(blob) === "object" && typeof blob.length !== "undefined")) {
+    throw new Error('typeof blob === "object" && typeof blob.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BinaryModule",
+    id: id,
+    blob: blob
+  };
+  return node;
+}
+export function quoteModule(id, string) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(string) === "object" && typeof string.length !== "undefined")) {
+    throw new Error('typeof string === "object" && typeof string.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "QuoteModule",
+    id: id,
+    string: string
+  };
+  return node;
+}
+export function sectionMetadata(section, startOffset, size, vectorOfSize) {
+  if (!(typeof startOffset === "number")) {
+    throw new Error('typeof startOffset === "number"' + " error: " + ("Argument startOffset must be of type number, given: " + _typeof(startOffset) || "unknown"));
+  }
+
+  var node = {
+    type: "SectionMetadata",
+    section: section,
+    startOffset: startOffset,
+    size: size,
+    vectorOfSize: vectorOfSize
+  };
+  return node;
+}
+export function producersSectionMetadata(producers) {
+  if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+    throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducersSectionMetadata",
+    producers: producers
+  };
+  return node;
+}
+export function producerMetadata(language, processedBy, sdk) {
+  if (!(_typeof(language) === "object" && typeof language.length !== "undefined")) {
+    throw new Error('typeof language === "object" && typeof language.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(processedBy) === "object" && typeof processedBy.length !== "undefined")) {
+    throw new Error('typeof processedBy === "object" && typeof processedBy.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(sdk) === "object" && typeof sdk.length !== "undefined")) {
+    throw new Error('typeof sdk === "object" && typeof sdk.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadata",
+    language: language,
+    processedBy: processedBy,
+    sdk: sdk
+  };
+  return node;
+}
+export function producerMetadataVersionedName(name, version) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  if (!(typeof version === "string")) {
+    throw new Error('typeof version === "string"' + " error: " + ("Argument version must be of type string, given: " + _typeof(version) || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadataVersionedName",
+    name: name,
+    version: version
+  };
+  return node;
+}
+export function loopInstruction(label, resulttype, instr) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "LoopInstruction",
+    id: "loop",
+    label: label,
+    resulttype: resulttype,
+    instr: instr
+  };
+  return node;
+}
+export function instr(id, object, args, namedArgs) {
+  if (!(typeof id === "string")) {
+    throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+  }
+
+  if (!(_typeof(args) === "object" && typeof args.length !== "undefined")) {
+    throw new Error('typeof args === "object" && typeof args.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Instr",
+    id: id,
+    args: args
+  };
+
+  if (typeof object !== "undefined") {
+    node.object = object;
+  }
+
+  if (typeof namedArgs !== "undefined" && Object.keys(namedArgs).length !== 0) {
+    node.namedArgs = namedArgs;
+  }
+
+  return node;
+}
+export function ifInstruction(testLabel, test, result, consequent, alternate) {
+  if (!(_typeof(test) === "object" && typeof test.length !== "undefined")) {
+    throw new Error('typeof test === "object" && typeof test.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(consequent) === "object" && typeof consequent.length !== "undefined")) {
+    throw new Error('typeof consequent === "object" && typeof consequent.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(alternate) === "object" && typeof alternate.length !== "undefined")) {
+    throw new Error('typeof alternate === "object" && typeof alternate.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "IfInstruction",
+    id: "if",
+    testLabel: testLabel,
+    test: test,
+    result: result,
+    consequent: consequent,
+    alternate: alternate
+  };
+  return node;
+}
+export function stringLiteral(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "StringLiteral",
+    value: value
+  };
+  return node;
+}
+export function numberLiteral(value, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "NumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+export function longNumberLiteral(value, raw) {
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "LongNumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+export function floatLiteral(value, nan, inf, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (nan !== null && nan !== undefined) {
+    if (!(typeof nan === "boolean")) {
+      throw new Error('typeof nan === "boolean"' + " error: " + ("Argument nan must be of type boolean, given: " + _typeof(nan) || "unknown"));
+    }
+  }
+
+  if (inf !== null && inf !== undefined) {
+    if (!(typeof inf === "boolean")) {
+      throw new Error('typeof inf === "boolean"' + " error: " + ("Argument inf must be of type boolean, given: " + _typeof(inf) || "unknown"));
+    }
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "FloatLiteral",
+    value: value,
+    raw: raw
+  };
+
+  if (nan === true) {
+    node.nan = true;
+  }
+
+  if (inf === true) {
+    node.inf = true;
+  }
+
+  return node;
+}
+export function elem(table, offset, funcs) {
+  if (!(_typeof(offset) === "object" && typeof offset.length !== "undefined")) {
+    throw new Error('typeof offset === "object" && typeof offset.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(funcs) === "object" && typeof funcs.length !== "undefined")) {
+    throw new Error('typeof funcs === "object" && typeof funcs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Elem",
+    table: table,
+    offset: offset,
+    funcs: funcs
+  };
+  return node;
+}
+export function indexInFuncSection(index) {
+  var node = {
+    type: "IndexInFuncSection",
+    index: index
+  };
+  return node;
+}
+export function valtypeLiteral(name) {
+  var node = {
+    type: "ValtypeLiteral",
+    name: name
+  };
+  return node;
+}
+export function typeInstruction(id, functype) {
+  var node = {
+    type: "TypeInstruction",
+    id: id,
+    functype: functype
+  };
+  return node;
+}
+export function start(index) {
+  var node = {
+    type: "Start",
+    index: index
+  };
+  return node;
+}
+export function globalType(valtype, mutability) {
+  var node = {
+    type: "GlobalType",
+    valtype: valtype,
+    mutability: mutability
+  };
+  return node;
+}
+export function leadingComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "LeadingComment",
+    value: value
+  };
+  return node;
+}
+export function blockComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "BlockComment",
+    value: value
+  };
+  return node;
+}
+export function data(memoryIndex, offset, init) {
+  var node = {
+    type: "Data",
+    memoryIndex: memoryIndex,
+    offset: offset,
+    init: init
+  };
+  return node;
+}
+export function global(globalType, init, name) {
+  if (!(_typeof(init) === "object" && typeof init.length !== "undefined")) {
+    throw new Error('typeof init === "object" && typeof init.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Global",
+    globalType: globalType,
+    init: init,
+    name: name
+  };
+  return node;
+}
+export function table(elementType, limits, name, elements) {
+  if (!(limits.type === "Limit")) {
+    throw new Error('limits.type === "Limit"' + " error: " + ("Argument limits must be of type Limit, given: " + limits.type || "unknown"));
+  }
+
+  if (elements !== null && elements !== undefined) {
+    if (!(_typeof(elements) === "object" && typeof elements.length !== "undefined")) {
+      throw new Error('typeof elements === "object" && typeof elements.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Table",
+    elementType: elementType,
+    limits: limits,
+    name: name
+  };
+
+  if (typeof elements !== "undefined" && elements.length > 0) {
+    node.elements = elements;
+  }
+
+  return node;
+}
+export function memory(limits, id) {
+  var node = {
+    type: "Memory",
+    limits: limits,
+    id: id
+  };
+  return node;
+}
+export function funcImportDescr(id, signature) {
+  var node = {
+    type: "FuncImportDescr",
+    id: id,
+    signature: signature
+  };
+  return node;
+}
+export function moduleImport(module, name, descr) {
+  if (!(typeof module === "string")) {
+    throw new Error('typeof module === "string"' + " error: " + ("Argument module must be of type string, given: " + _typeof(module) || "unknown"));
+  }
+
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleImport",
+    module: module,
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+export function moduleExportDescr(exportType, id) {
+  var node = {
+    type: "ModuleExportDescr",
+    exportType: exportType,
+    id: id
+  };
+  return node;
+}
+export function moduleExport(name, descr) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleExport",
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+export function limit(min, max) {
+  if (!(typeof min === "number")) {
+    throw new Error('typeof min === "number"' + " error: " + ("Argument min must be of type number, given: " + _typeof(min) || "unknown"));
+  }
+
+  if (max !== null && max !== undefined) {
+    if (!(typeof max === "number")) {
+      throw new Error('typeof max === "number"' + " error: " + ("Argument max must be of type number, given: " + _typeof(max) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Limit",
+    min: min
+  };
+
+  if (typeof max !== "undefined") {
+    node.max = max;
+  }
+
+  return node;
+}
+export function signature(params, results) {
+  if (!(_typeof(params) === "object" && typeof params.length !== "undefined")) {
+    throw new Error('typeof params === "object" && typeof params.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(results) === "object" && typeof results.length !== "undefined")) {
+    throw new Error('typeof results === "object" && typeof results.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Signature",
+    params: params,
+    results: results
+  };
+  return node;
+}
+export function program(body) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Program",
+    body: body
+  };
+  return node;
+}
+export function identifier(value, raw) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (raw !== null && raw !== undefined) {
+    if (!(typeof raw === "string")) {
+      throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Identifier",
+    value: value
+  };
+
+  if (typeof raw !== "undefined") {
+    node.raw = raw;
+  }
+
+  return node;
+}
+export function blockInstruction(label, instr, result) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BlockInstruction",
+    id: "block",
+    label: label,
+    instr: instr,
+    result: result
+  };
+  return node;
+}
+export function callInstruction(index, instrArgs, numeric) {
+  if (instrArgs !== null && instrArgs !== undefined) {
+    if (!(_typeof(instrArgs) === "object" && typeof instrArgs.length !== "undefined")) {
+      throw new Error('typeof instrArgs === "object" && typeof instrArgs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallInstruction",
+    id: "call",
+    index: index
+  };
+
+  if (typeof instrArgs !== "undefined" && instrArgs.length > 0) {
+    node.instrArgs = instrArgs;
+  }
+
+  if (typeof numeric !== "undefined") {
+    node.numeric = numeric;
+  }
+
+  return node;
+}
+export function callIndirectInstruction(signature, intrs) {
+  if (intrs !== null && intrs !== undefined) {
+    if (!(_typeof(intrs) === "object" && typeof intrs.length !== "undefined")) {
+      throw new Error('typeof intrs === "object" && typeof intrs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallIndirectInstruction",
+    id: "call_indirect",
+    signature: signature
+  };
+
+  if (typeof intrs !== "undefined" && intrs.length > 0) {
+    node.intrs = intrs;
+  }
+
+  return node;
+}
+export function byteArray(values) {
+  if (!(_typeof(values) === "object" && typeof values.length !== "undefined")) {
+    throw new Error('typeof values === "object" && typeof values.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ByteArray",
+    values: values
+  };
+  return node;
+}
+export function func(name, signature, body, isExternal, metadata) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (isExternal !== null && isExternal !== undefined) {
+    if (!(typeof isExternal === "boolean")) {
+      throw new Error('typeof isExternal === "boolean"' + " error: " + ("Argument isExternal must be of type boolean, given: " + _typeof(isExternal) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Func",
+    name: name,
+    signature: signature,
+    body: body
+  };
+
+  if (isExternal === true) {
+    node.isExternal = true;
+  }
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+export function internalBrUnless(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalBrUnless",
+    target: target
+  };
+  return node;
+}
+export function internalGoto(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalGoto",
+    target: target
+  };
+  return node;
+}
+export function internalCallExtern(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalCallExtern",
+    target: target
+  };
+  return node;
+}
+export function internalEndAndReturn() {
+  var node = {
+    type: "InternalEndAndReturn"
+  };
+  return node;
+}
+export var isModule = isTypeOf("Module");
+export var isModuleMetadata = isTypeOf("ModuleMetadata");
+export var isModuleNameMetadata = isTypeOf("ModuleNameMetadata");
+export var isFunctionNameMetadata = isTypeOf("FunctionNameMetadata");
+export var isLocalNameMetadata = isTypeOf("LocalNameMetadata");
+export var isBinaryModule = isTypeOf("BinaryModule");
+export var isQuoteModule = isTypeOf("QuoteModule");
+export var isSectionMetadata = isTypeOf("SectionMetadata");
+export var isProducersSectionMetadata = isTypeOf("ProducersSectionMetadata");
+export var isProducerMetadata = isTypeOf("ProducerMetadata");
+export var isProducerMetadataVersionedName = isTypeOf("ProducerMetadataVersionedName");
+export var isLoopInstruction = isTypeOf("LoopInstruction");
+export var isInstr = isTypeOf("Instr");
+export var isIfInstruction = isTypeOf("IfInstruction");
+export var isStringLiteral = isTypeOf("StringLiteral");
+export var isNumberLiteral = isTypeOf("NumberLiteral");
+export var isLongNumberLiteral = isTypeOf("LongNumberLiteral");
+export var isFloatLiteral = isTypeOf("FloatLiteral");
+export var isElem = isTypeOf("Elem");
+export var isIndexInFuncSection = isTypeOf("IndexInFuncSection");
+export var isValtypeLiteral = isTypeOf("ValtypeLiteral");
+export var isTypeInstruction = isTypeOf("TypeInstruction");
+export var isStart = isTypeOf("Start");
+export var isGlobalType = isTypeOf("GlobalType");
+export var isLeadingComment = isTypeOf("LeadingComment");
+export var isBlockComment = isTypeOf("BlockComment");
+export var isData = isTypeOf("Data");
+export var isGlobal = isTypeOf("Global");
+export var isTable = isTypeOf("Table");
+export var isMemory = isTypeOf("Memory");
+export var isFuncImportDescr = isTypeOf("FuncImportDescr");
+export var isModuleImport = isTypeOf("ModuleImport");
+export var isModuleExportDescr = isTypeOf("ModuleExportDescr");
+export var isModuleExport = isTypeOf("ModuleExport");
+export var isLimit = isTypeOf("Limit");
+export var isSignature = isTypeOf("Signature");
+export var isProgram = isTypeOf("Program");
+export var isIdentifier = isTypeOf("Identifier");
+export var isBlockInstruction = isTypeOf("BlockInstruction");
+export var isCallInstruction = isTypeOf("CallInstruction");
+export var isCallIndirectInstruction = isTypeOf("CallIndirectInstruction");
+export var isByteArray = isTypeOf("ByteArray");
+export var isFunc = isTypeOf("Func");
+export var isInternalBrUnless = isTypeOf("InternalBrUnless");
+export var isInternalGoto = isTypeOf("InternalGoto");
+export var isInternalCallExtern = isTypeOf("InternalCallExtern");
+export var isInternalEndAndReturn = isTypeOf("InternalEndAndReturn");
+export var isNode = function isNode(node) {
+  return isModule(node) || isModuleMetadata(node) || isModuleNameMetadata(node) || isFunctionNameMetadata(node) || isLocalNameMetadata(node) || isBinaryModule(node) || isQuoteModule(node) || isSectionMetadata(node) || isProducersSectionMetadata(node) || isProducerMetadata(node) || isProducerMetadataVersionedName(node) || isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isElem(node) || isIndexInFuncSection(node) || isValtypeLiteral(node) || isTypeInstruction(node) || isStart(node) || isGlobalType(node) || isLeadingComment(node) || isBlockComment(node) || isData(node) || isGlobal(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node) || isModuleImport(node) || isModuleExportDescr(node) || isModuleExport(node) || isLimit(node) || isSignature(node) || isProgram(node) || isIdentifier(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node) || isByteArray(node) || isFunc(node) || isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+export var isBlock = function isBlock(node) {
+  return isLoopInstruction(node) || isBlockInstruction(node) || isFunc(node);
+};
+export var isInstruction = function isInstruction(node) {
+  return isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isTypeInstruction(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node);
+};
+export var isExpression = function isExpression(node) {
+  return isInstr(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isValtypeLiteral(node) || isIdentifier(node);
+};
+export var isNumericLiteral = function isNumericLiteral(node) {
+  return isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node);
+};
+export var isImportDescr = function isImportDescr(node) {
+  return isGlobalType(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node);
+};
+export var isIntrinsic = function isIntrinsic(node) {
+  return isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+export var assertModule = assertTypeOf("Module");
+export var assertModuleMetadata = assertTypeOf("ModuleMetadata");
+export var assertModuleNameMetadata = assertTypeOf("ModuleNameMetadata");
+export var assertFunctionNameMetadata = assertTypeOf("FunctionNameMetadata");
+export var assertLocalNameMetadata = assertTypeOf("LocalNameMetadata");
+export var assertBinaryModule = assertTypeOf("BinaryModule");
+export var assertQuoteModule = assertTypeOf("QuoteModule");
+export var assertSectionMetadata = assertTypeOf("SectionMetadata");
+export var assertProducersSectionMetadata = assertTypeOf("ProducersSectionMetadata");
+export var assertProducerMetadata = assertTypeOf("ProducerMetadata");
+export var assertProducerMetadataVersionedName = assertTypeOf("ProducerMetadataVersionedName");
+export var assertLoopInstruction = assertTypeOf("LoopInstruction");
+export var assertInstr = assertTypeOf("Instr");
+export var assertIfInstruction = assertTypeOf("IfInstruction");
+export var assertStringLiteral = assertTypeOf("StringLiteral");
+export var assertNumberLiteral = assertTypeOf("NumberLiteral");
+export var assertLongNumberLiteral = assertTypeOf("LongNumberLiteral");
+export var assertFloatLiteral = assertTypeOf("FloatLiteral");
+export var assertElem = assertTypeOf("Elem");
+export var assertIndexInFuncSection = assertTypeOf("IndexInFuncSection");
+export var assertValtypeLiteral = assertTypeOf("ValtypeLiteral");
+export var assertTypeInstruction = assertTypeOf("TypeInstruction");
+export var assertStart = assertTypeOf("Start");
+export var assertGlobalType = assertTypeOf("GlobalType");
+export var assertLeadingComment = assertTypeOf("LeadingComment");
+export var assertBlockComment = assertTypeOf("BlockComment");
+export var assertData = assertTypeOf("Data");
+export var assertGlobal = assertTypeOf("Global");
+export var assertTable = assertTypeOf("Table");
+export var assertMemory = assertTypeOf("Memory");
+export var assertFuncImportDescr = assertTypeOf("FuncImportDescr");
+export var assertModuleImport = assertTypeOf("ModuleImport");
+export var assertModuleExportDescr = assertTypeOf("ModuleExportDescr");
+export var assertModuleExport = assertTypeOf("ModuleExport");
+export var assertLimit = assertTypeOf("Limit");
+export var assertSignature = assertTypeOf("Signature");
+export var assertProgram = assertTypeOf("Program");
+export var assertIdentifier = assertTypeOf("Identifier");
+export var assertBlockInstruction = assertTypeOf("BlockInstruction");
+export var assertCallInstruction = assertTypeOf("CallInstruction");
+export var assertCallIndirectInstruction = assertTypeOf("CallIndirectInstruction");
+export var assertByteArray = assertTypeOf("ByteArray");
+export var assertFunc = assertTypeOf("Func");
+export var assertInternalBrUnless = assertTypeOf("InternalBrUnless");
+export var assertInternalGoto = assertTypeOf("InternalGoto");
+export var assertInternalCallExtern = assertTypeOf("InternalCallExtern");
+export var assertInternalEndAndReturn = assertTypeOf("InternalEndAndReturn");
+export var unionTypesMap = {
+  Module: ["Node"],
+  ModuleMetadata: ["Node"],
+  ModuleNameMetadata: ["Node"],
+  FunctionNameMetadata: ["Node"],
+  LocalNameMetadata: ["Node"],
+  BinaryModule: ["Node"],
+  QuoteModule: ["Node"],
+  SectionMetadata: ["Node"],
+  ProducersSectionMetadata: ["Node"],
+  ProducerMetadata: ["Node"],
+  ProducerMetadataVersionedName: ["Node"],
+  LoopInstruction: ["Node", "Block", "Instruction"],
+  Instr: ["Node", "Expression", "Instruction"],
+  IfInstruction: ["Node", "Instruction"],
+  StringLiteral: ["Node", "Expression"],
+  NumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  LongNumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  FloatLiteral: ["Node", "NumericLiteral", "Expression"],
+  Elem: ["Node"],
+  IndexInFuncSection: ["Node"],
+  ValtypeLiteral: ["Node", "Expression"],
+  TypeInstruction: ["Node", "Instruction"],
+  Start: ["Node"],
+  GlobalType: ["Node", "ImportDescr"],
+  LeadingComment: ["Node"],
+  BlockComment: ["Node"],
+  Data: ["Node"],
+  Global: ["Node"],
+  Table: ["Node", "ImportDescr"],
+  Memory: ["Node", "ImportDescr"],
+  FuncImportDescr: ["Node", "ImportDescr"],
+  ModuleImport: ["Node"],
+  ModuleExportDescr: ["Node"],
+  ModuleExport: ["Node"],
+  Limit: ["Node"],
+  Signature: ["Node"],
+  Program: ["Node"],
+  Identifier: ["Node", "Expression"],
+  BlockInstruction: ["Node", "Block", "Instruction"],
+  CallInstruction: ["Node", "Instruction"],
+  CallIndirectInstruction: ["Node", "Instruction"],
+  ByteArray: ["Node"],
+  Func: ["Node", "Block"],
+  InternalBrUnless: ["Node", "Intrinsic"],
+  InternalGoto: ["Node", "Intrinsic"],
+  InternalCallExtern: ["Node", "Intrinsic"],
+  InternalEndAndReturn: ["Node", "Intrinsic"]
+};
+export var nodeAndUnionTypes = ["Module", "ModuleMetadata", "ModuleNameMetadata", "FunctionNameMetadata", "LocalNameMetadata", "BinaryModule", "QuoteModule", "SectionMetadata", "ProducersSectionMetadata", "ProducerMetadata", "ProducerMetadataVersionedName", "LoopInstruction", "Instr", "IfInstruction", "StringLiteral", "NumberLiteral", "LongNumberLiteral", "FloatLiteral", "Elem", "IndexInFuncSection", "ValtypeLiteral", "TypeInstruction", "Start", "GlobalType", "LeadingComment", "BlockComment", "Data", "Global", "Table", "Memory", "FuncImportDescr", "ModuleImport", "ModuleExportDescr", "ModuleExport", "Limit", "Signature", "Program", "Identifier", "BlockInstruction", "CallInstruction", "CallIndirectInstruction", "ByteArray", "Func", "InternalBrUnless", "InternalGoto", "InternalCallExtern", "InternalEndAndReturn", "Node", "Block", "Instruction", "Expression", "NumericLiteral", "ImportDescr", "Intrinsic"];
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/signatures.js b/node_modules/@webassemblyjs/ast/esm/signatures.js
new file mode 100644
index 00000000..2f2750b7
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/signatures.js
@@ -0,0 +1,199 @@
+function sign(input, output) {
+  return [input, output];
+}
+
+var u32 = "u32";
+var i32 = "i32";
+var i64 = "i64";
+var f32 = "f32";
+var f64 = "f64";
+
+var vector = function vector(t) {
+  var vecType = [t]; // $FlowIgnore
+
+  vecType.vector = true;
+  return vecType;
+};
+
+var controlInstructions = {
+  unreachable: sign([], []),
+  nop: sign([], []),
+  // block ?
+  // loop ?
+  // if ?
+  // if else ?
+  br: sign([u32], []),
+  br_if: sign([u32], []),
+  br_table: sign(vector(u32), []),
+  return: sign([], []),
+  call: sign([u32], []),
+  call_indirect: sign([u32], [])
+};
+var parametricInstructions = {
+  drop: sign([], []),
+  select: sign([], [])
+};
+var variableInstructions = {
+  get_local: sign([u32], []),
+  set_local: sign([u32], []),
+  tee_local: sign([u32], []),
+  get_global: sign([u32], []),
+  set_global: sign([u32], [])
+};
+var memoryInstructions = {
+  "i32.load": sign([u32, u32], [i32]),
+  "i64.load": sign([u32, u32], []),
+  "f32.load": sign([u32, u32], []),
+  "f64.load": sign([u32, u32], []),
+  "i32.load8_s": sign([u32, u32], [i32]),
+  "i32.load8_u": sign([u32, u32], [i32]),
+  "i32.load16_s": sign([u32, u32], [i32]),
+  "i32.load16_u": sign([u32, u32], [i32]),
+  "i64.load8_s": sign([u32, u32], [i64]),
+  "i64.load8_u": sign([u32, u32], [i64]),
+  "i64.load16_s": sign([u32, u32], [i64]),
+  "i64.load16_u": sign([u32, u32], [i64]),
+  "i64.load32_s": sign([u32, u32], [i64]),
+  "i64.load32_u": sign([u32, u32], [i64]),
+  "i32.store": sign([u32, u32], []),
+  "i64.store": sign([u32, u32], []),
+  "f32.store": sign([u32, u32], []),
+  "f64.store": sign([u32, u32], []),
+  "i32.store8": sign([u32, u32], []),
+  "i32.store16": sign([u32, u32], []),
+  "i64.store8": sign([u32, u32], []),
+  "i64.store16": sign([u32, u32], []),
+  "i64.store32": sign([u32, u32], []),
+  current_memory: sign([], []),
+  grow_memory: sign([], [])
+};
+var numericInstructions = {
+  "i32.const": sign([i32], [i32]),
+  "i64.const": sign([i64], [i64]),
+  "f32.const": sign([f32], [f32]),
+  "f64.const": sign([f64], [f64]),
+  "i32.eqz": sign([i32], [i32]),
+  "i32.eq": sign([i32, i32], [i32]),
+  "i32.ne": sign([i32, i32], [i32]),
+  "i32.lt_s": sign([i32, i32], [i32]),
+  "i32.lt_u": sign([i32, i32], [i32]),
+  "i32.gt_s": sign([i32, i32], [i32]),
+  "i32.gt_u": sign([i32, i32], [i32]),
+  "i32.le_s": sign([i32, i32], [i32]),
+  "i32.le_u": sign([i32, i32], [i32]),
+  "i32.ge_s": sign([i32, i32], [i32]),
+  "i32.ge_u": sign([i32, i32], [i32]),
+  "i64.eqz": sign([i64], [i64]),
+  "i64.eq": sign([i64, i64], [i32]),
+  "i64.ne": sign([i64, i64], [i32]),
+  "i64.lt_s": sign([i64, i64], [i32]),
+  "i64.lt_u": sign([i64, i64], [i32]),
+  "i64.gt_s": sign([i64, i64], [i32]),
+  "i64.gt_u": sign([i64, i64], [i32]),
+  "i64.le_s": sign([i64, i64], [i32]),
+  "i64.le_u": sign([i64, i64], [i32]),
+  "i64.ge_s": sign([i64, i64], [i32]),
+  "i64.ge_u": sign([i64, i64], [i32]),
+  "f32.eq": sign([f32, f32], [i32]),
+  "f32.ne": sign([f32, f32], [i32]),
+  "f32.lt": sign([f32, f32], [i32]),
+  "f32.gt": sign([f32, f32], [i32]),
+  "f32.le": sign([f32, f32], [i32]),
+  "f32.ge": sign([f32, f32], [i32]),
+  "f64.eq": sign([f64, f64], [i32]),
+  "f64.ne": sign([f64, f64], [i32]),
+  "f64.lt": sign([f64, f64], [i32]),
+  "f64.gt": sign([f64, f64], [i32]),
+  "f64.le": sign([f64, f64], [i32]),
+  "f64.ge": sign([f64, f64], [i32]),
+  "i32.clz": sign([i32], [i32]),
+  "i32.ctz": sign([i32], [i32]),
+  "i32.popcnt": sign([i32], [i32]),
+  "i32.add": sign([i32, i32], [i32]),
+  "i32.sub": sign([i32, i32], [i32]),
+  "i32.mul": sign([i32, i32], [i32]),
+  "i32.div_s": sign([i32, i32], [i32]),
+  "i32.div_u": sign([i32, i32], [i32]),
+  "i32.rem_s": sign([i32, i32], [i32]),
+  "i32.rem_u": sign([i32, i32], [i32]),
+  "i32.and": sign([i32, i32], [i32]),
+  "i32.or": sign([i32, i32], [i32]),
+  "i32.xor": sign([i32, i32], [i32]),
+  "i32.shl": sign([i32, i32], [i32]),
+  "i32.shr_s": sign([i32, i32], [i32]),
+  "i32.shr_u": sign([i32, i32], [i32]),
+  "i32.rotl": sign([i32, i32], [i32]),
+  "i32.rotr": sign([i32, i32], [i32]),
+  "i64.clz": sign([i64], [i64]),
+  "i64.ctz": sign([i64], [i64]),
+  "i64.popcnt": sign([i64], [i64]),
+  "i64.add": sign([i64, i64], [i64]),
+  "i64.sub": sign([i64, i64], [i64]),
+  "i64.mul": sign([i64, i64], [i64]),
+  "i64.div_s": sign([i64, i64], [i64]),
+  "i64.div_u": sign([i64, i64], [i64]),
+  "i64.rem_s": sign([i64, i64], [i64]),
+  "i64.rem_u": sign([i64, i64], [i64]),
+  "i64.and": sign([i64, i64], [i64]),
+  "i64.or": sign([i64, i64], [i64]),
+  "i64.xor": sign([i64, i64], [i64]),
+  "i64.shl": sign([i64, i64], [i64]),
+  "i64.shr_s": sign([i64, i64], [i64]),
+  "i64.shr_u": sign([i64, i64], [i64]),
+  "i64.rotl": sign([i64, i64], [i64]),
+  "i64.rotr": sign([i64, i64], [i64]),
+  "f32.abs": sign([f32], [f32]),
+  "f32.neg": sign([f32], [f32]),
+  "f32.ceil": sign([f32], [f32]),
+  "f32.floor": sign([f32], [f32]),
+  "f32.trunc": sign([f32], [f32]),
+  "f32.nearest": sign([f32], [f32]),
+  "f32.sqrt": sign([f32], [f32]),
+  "f32.add": sign([f32, f32], [f32]),
+  "f32.sub": sign([f32, f32], [f32]),
+  "f32.mul": sign([f32, f32], [f32]),
+  "f32.div": sign([f32, f32], [f32]),
+  "f32.min": sign([f32, f32], [f32]),
+  "f32.max": sign([f32, f32], [f32]),
+  "f32.copysign": sign([f32, f32], [f32]),
+  "f64.abs": sign([f64], [f64]),
+  "f64.neg": sign([f64], [f64]),
+  "f64.ceil": sign([f64], [f64]),
+  "f64.floor": sign([f64], [f64]),
+  "f64.trunc": sign([f64], [f64]),
+  "f64.nearest": sign([f64], [f64]),
+  "f64.sqrt": sign([f64], [f64]),
+  "f64.add": sign([f64, f64], [f64]),
+  "f64.sub": sign([f64, f64], [f64]),
+  "f64.mul": sign([f64, f64], [f64]),
+  "f64.div": sign([f64, f64], [f64]),
+  "f64.min": sign([f64, f64], [f64]),
+  "f64.max": sign([f64, f64], [f64]),
+  "f64.copysign": sign([f64, f64], [f64]),
+  "i32.wrap/i64": sign([i64], [i32]),
+  "i32.trunc_s/f32": sign([f32], [i32]),
+  "i32.trunc_u/f32": sign([f32], [i32]),
+  "i32.trunc_s/f64": sign([f32], [i32]),
+  "i32.trunc_u/f64": sign([f64], [i32]),
+  "i64.extend_s/i32": sign([i32], [i64]),
+  "i64.extend_u/i32": sign([i32], [i64]),
+  "i64.trunc_s/f32": sign([f32], [i64]),
+  "i64.trunc_u/f32": sign([f32], [i64]),
+  "i64.trunc_s/f64": sign([f64], [i64]),
+  "i64.trunc_u/f64": sign([f64], [i64]),
+  "f32.convert_s/i32": sign([i32], [f32]),
+  "f32.convert_u/i32": sign([i32], [f32]),
+  "f32.convert_s/i64": sign([i64], [f32]),
+  "f32.convert_u/i64": sign([i64], [f32]),
+  "f32.demote/f64": sign([f64], [f32]),
+  "f64.convert_s/i32": sign([i32], [f64]),
+  "f64.convert_u/i32": sign([i32], [f64]),
+  "f64.convert_s/i64": sign([i64], [f64]),
+  "f64.convert_u/i64": sign([i64], [f64]),
+  "f64.promote/f32": sign([f32], [f64]),
+  "i32.reinterpret/f32": sign([f32], [i32]),
+  "i64.reinterpret/f64": sign([f64], [i64]),
+  "f32.reinterpret/i32": sign([i32], [f32]),
+  "f64.reinterpret/i64": sign([i64], [f64])
+};
+export var signatures = Object.assign({}, controlInstructions, parametricInstructions, variableInstructions, memoryInstructions, numericInstructions);
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js b/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js
new file mode 100644
index 00000000..26891f9d
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js
@@ -0,0 +1,76 @@
+var t = require("../../index"); // func and call_indirect instructions can either define a signature inline, or
+// reference a signature, e.g.
+//
+// ;; inline signature
+// (func (result i64)
+//   (i64.const 2)
+// )
+// ;; signature reference
+// (type (func (result i64)))
+// (func (type 0)
+//   (i64.const 2))
+// )
+//
+// this AST transform denormalises the type references, making all signatures within the module
+// inline.
+
+
+export function transform(ast) {
+  var typeInstructions = [];
+  t.traverse(ast, {
+    TypeInstruction: function TypeInstruction(_ref) {
+      var node = _ref.node;
+      typeInstructions.push(node);
+    }
+  });
+
+  if (!typeInstructions.length) {
+    return;
+  }
+
+  function denormalizeSignature(signature) {
+    // signature referenced by identifier
+    if (signature.type === "Identifier") {
+      var identifier = signature;
+      var typeInstruction = typeInstructions.find(function (t) {
+        return t.id.type === identifier.type && t.id.value === identifier.value;
+      });
+
+      if (!typeInstruction) {
+        throw new Error("A type instruction reference was not found ".concat(JSON.stringify(signature)));
+      }
+
+      return typeInstruction.functype;
+    } // signature referenced by index
+
+
+    if (signature.type === "NumberLiteral") {
+      var signatureRef = signature;
+      var _typeInstruction = typeInstructions[signatureRef.value];
+      return _typeInstruction.functype;
+    }
+
+    return signature;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (_ref2) {
+      var node = _ref2.node;
+      node.signature = denormalizeSignature(node.signature);
+    }),
+    CallIndirectInstruction: function CallIndirectInstruction(_ref3) {
+      var node = _ref3.node;
+      node.signature = denormalizeSignature(node.signature);
+    }
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js b/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js
new file mode 100644
index 00000000..bea35f35
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js
@@ -0,0 +1,216 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+import { isBlock, isFunc, isIdentifier, numberLiteralFromRaw, traverse } from "../../index";
+import { moduleContextFromModuleAST } from "@webassemblyjs/helper-module-context"; // FIXME(sven): do the same with all block instructions, must be more generic here
+
+function newUnexpectedFunction(i) {
+  return new Error("unknown function at offset: " + i);
+}
+
+export function transform(ast) {
+  var module;
+  traverse(ast, {
+    Module: function (_Module) {
+      function Module(_x) {
+        return _Module.apply(this, arguments);
+      }
+
+      Module.toString = function () {
+        return _Module.toString();
+      };
+
+      return Module;
+    }(function (path) {
+      module = path.node;
+    })
+  });
+  var moduleContext = moduleContextFromModuleAST(module); // Transform the actual instruction in function bodies
+
+  traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x2) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (path) {
+      transformFuncPath(path, moduleContext);
+    }),
+    Start: function (_Start) {
+      function Start(_x3) {
+        return _Start.apply(this, arguments);
+      }
+
+      Start.toString = function () {
+        return _Start.toString();
+      };
+
+      return Start;
+    }(function (path) {
+      var index = path.node.index;
+
+      if (isIdentifier(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        path.node.index = numberLiteralFromRaw(offsetInModule);
+      }
+    })
+  });
+}
+
+function transformFuncPath(funcPath, moduleContext) {
+  var funcNode = funcPath.node;
+  var signature = funcNode.signature;
+
+  if (signature.type !== "Signature") {
+    throw new Error("Function signatures must be denormalised before execution");
+  }
+
+  var params = signature.params; // Add func locals in the context
+
+  params.forEach(function (p) {
+    return moduleContext.addLocal(p.valtype);
+  });
+  traverse(funcNode, {
+    Instr: function (_Instr) {
+      function Instr(_x4) {
+        return _Instr.apply(this, arguments);
+      }
+
+      Instr.toString = function () {
+        return _Instr.toString();
+      };
+
+      return Instr;
+    }(function (instrPath) {
+      var instrNode = instrPath.node;
+      /**
+       * Local access
+       */
+
+      if (instrNode.id === "get_local" || instrNode.id === "set_local" || instrNode.id === "tee_local") {
+        var _instrNode$args = _slicedToArray(instrNode.args, 1),
+            firstArg = _instrNode$args[0];
+
+        if (firstArg.type === "Identifier") {
+          var offsetInParams = params.findIndex(function (_ref) {
+            var id = _ref.id;
+            return id === firstArg.value;
+          });
+
+          if (offsetInParams === -1) {
+            throw new Error("".concat(firstArg.value, " not found in ").concat(instrNode.id, ": not declared in func params"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = numberLiteralFromRaw(offsetInParams);
+        }
+      }
+      /**
+       * Global access
+       */
+
+
+      if (instrNode.id === "get_global" || instrNode.id === "set_global") {
+        var _instrNode$args2 = _slicedToArray(instrNode.args, 1),
+            _firstArg = _instrNode$args2[0];
+
+        if (isIdentifier(_firstArg) === true) {
+          var globalOffset = moduleContext.getGlobalOffsetByIdentifier( // $FlowIgnore: reference?
+          _firstArg.value);
+
+          if (typeof globalOffset === "undefined") {
+            // $FlowIgnore: reference?
+            throw new Error("global ".concat(_firstArg.value, " not found in module"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = numberLiteralFromRaw(globalOffset);
+        }
+      }
+      /**
+       * Labels lookup
+       */
+
+
+      if (instrNode.id === "br") {
+        var _instrNode$args3 = _slicedToArray(instrNode.args, 1),
+            _firstArg2 = _instrNode$args3[0];
+
+        if (isIdentifier(_firstArg2) === true) {
+          // if the labels is not found it is going to be replaced with -1
+          // which is invalid.
+          var relativeBlockCount = -1; // $FlowIgnore: reference?
+
+          instrPath.findParent(function (_ref2) {
+            var node = _ref2.node;
+
+            if (isBlock(node)) {
+              relativeBlockCount++; // $FlowIgnore: reference?
+
+              var name = node.label || node.name;
+
+              if (_typeof(name) === "object") {
+                // $FlowIgnore: isIdentifier ensures that
+                if (name.value === _firstArg2.value) {
+                  // Found it
+                  return false;
+                }
+              }
+            }
+
+            if (isFunc(node)) {
+              return false;
+            }
+          }); // Replace the Identifer node by our new NumberLiteral node
+
+          instrNode.args[0] = numberLiteralFromRaw(relativeBlockCount);
+        }
+      }
+    }),
+
+    /**
+     * Func lookup
+     */
+    CallInstruction: function (_CallInstruction) {
+      function CallInstruction(_x5) {
+        return _CallInstruction.apply(this, arguments);
+      }
+
+      CallInstruction.toString = function () {
+        return _CallInstruction.toString();
+      };
+
+      return CallInstruction;
+    }(function (_ref3) {
+      var node = _ref3.node;
+      var index = node.index;
+
+      if (isIdentifier(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        node.index = numberLiteralFromRaw(offsetInModule);
+      }
+    })
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/traverse.js b/node_modules/@webassemblyjs/ast/esm/traverse.js
new file mode 100644
index 00000000..328dc09d
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/traverse.js
@@ -0,0 +1,96 @@
+import { createPath } from "./node-path";
+import { unionTypesMap, nodeAndUnionTypes } from "./nodes"; // recursively walks the AST starting at the given node. The callback is invoked for
+// and object that has a 'type' property.
+
+function walk(context, callback) {
+  var stop = false;
+
+  function innerWalk(context, callback) {
+    if (stop) {
+      return;
+    }
+
+    var node = context.node;
+
+    if (node === undefined) {
+      console.warn("traversing with an empty context");
+      return;
+    }
+
+    if (node._deleted === true) {
+      return;
+    }
+
+    var path = createPath(context);
+    callback(node.type, path);
+
+    if (path.shouldStop) {
+      stop = true;
+      return;
+    }
+
+    Object.keys(node).forEach(function (prop) {
+      var value = node[prop];
+
+      if (value === null || value === undefined) {
+        return;
+      }
+
+      var valueAsArray = Array.isArray(value) ? value : [value];
+      valueAsArray.forEach(function (childNode) {
+        if (typeof childNode.type === "string") {
+          var childContext = {
+            node: childNode,
+            parentKey: prop,
+            parentPath: path,
+            shouldStop: false,
+            inList: Array.isArray(value)
+          };
+          innerWalk(childContext, callback);
+        }
+      });
+    });
+  }
+
+  innerWalk(context, callback);
+}
+
+var noop = function noop() {};
+
+export function traverse(node, visitors) {
+  var before = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop;
+  var after = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : noop;
+  Object.keys(visitors).forEach(function (visitor) {
+    if (!nodeAndUnionTypes.includes(visitor)) {
+      throw new Error("Unexpected visitor ".concat(visitor));
+    }
+  });
+  var context = {
+    node: node,
+    inList: false,
+    shouldStop: false,
+    parentPath: null,
+    parentKey: null
+  };
+  walk(context, function (type, path) {
+    if (typeof visitors[type] === "function") {
+      before(type, path);
+      visitors[type](path);
+      after(type, path);
+    }
+
+    var unionTypes = unionTypesMap[type];
+
+    if (!unionTypes) {
+      throw new Error("Unexpected node type ".concat(type));
+    }
+
+    unionTypes.forEach(function (unionType) {
+      if (typeof visitors[unionType] === "function") {
+        before(unionType, path);
+        visitors[unionType](path);
+        after(unionType, path);
+      }
+    });
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/esm/types/basic.js b/node_modules/@webassemblyjs/ast/esm/types/basic.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/esm/types/nodes.js b/node_modules/@webassemblyjs/ast/esm/types/nodes.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/esm/types/traverse.js b/node_modules/@webassemblyjs/ast/esm/types/traverse.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/esm/utils.js b/node_modules/@webassemblyjs/ast/esm/utils.js
new file mode 100644
index 00000000..850410e9
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/esm/utils.js
@@ -0,0 +1,265 @@
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+import { signatures } from "./signatures";
+import { traverse } from "./traverse";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode";
+export function isAnonymous(ident) {
+  return ident.raw === "";
+}
+export function getSectionMetadata(ast, name) {
+  var section;
+  traverse(ast, {
+    SectionMetadata: function (_SectionMetadata) {
+      function SectionMetadata(_x) {
+        return _SectionMetadata.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref) {
+      var node = _ref.node;
+
+      if (node.section === name) {
+        section = node;
+      }
+    })
+  });
+  return section;
+}
+export function getSectionMetadatas(ast, name) {
+  var sections = [];
+  traverse(ast, {
+    SectionMetadata: function (_SectionMetadata2) {
+      function SectionMetadata(_x2) {
+        return _SectionMetadata2.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata2.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref2) {
+      var node = _ref2.node;
+
+      if (node.section === name) {
+        sections.push(node);
+      }
+    })
+  });
+  return sections;
+}
+export function sortSectionMetadata(m) {
+  if (m.metadata == null) {
+    console.warn("sortSectionMetadata: no metadata to sort");
+    return;
+  } // $FlowIgnore
+
+
+  m.metadata.sections.sort(function (a, b) {
+    var aId = constants.sections[a.section];
+    var bId = constants.sections[b.section];
+
+    if (typeof aId !== "number" || typeof bId !== "number") {
+      throw new Error("Section id not found");
+    }
+
+    return aId - bId;
+  });
+}
+export function orderedInsertNode(m, n) {
+  assertHasLoc(n);
+  var didInsert = false;
+
+  if (n.type === "ModuleExport") {
+    m.fields.push(n);
+    return;
+  }
+
+  m.fields = m.fields.reduce(function (acc, field) {
+    var fieldEndCol = Infinity;
+
+    if (field.loc != null) {
+      // $FlowIgnore
+      fieldEndCol = field.loc.end.column;
+    } // $FlowIgnore: assertHasLoc ensures that
+
+
+    if (didInsert === false && n.loc.start.column < fieldEndCol) {
+      didInsert = true;
+      acc.push(n);
+    }
+
+    acc.push(field);
+    return acc;
+  }, []); // Handles empty modules or n is the last element
+
+  if (didInsert === false) {
+    m.fields.push(n);
+  }
+}
+export function assertHasLoc(n) {
+  if (n.loc == null || n.loc.start == null || n.loc.end == null) {
+    throw new Error("Internal failure: node (".concat(JSON.stringify(n.type), ") has no location information"));
+  }
+}
+export function getEndOfSection(s) {
+  assertHasLoc(s.size);
+  return s.startOffset + s.size.value + ( // $FlowIgnore
+  s.size.loc.end.column - s.size.loc.start.column);
+}
+export function shiftLoc(node, delta) {
+  // $FlowIgnore
+  node.loc.start.column += delta; // $FlowIgnore
+
+  node.loc.end.column += delta;
+}
+export function shiftSection(ast, node, delta) {
+  if (node.type !== "SectionMetadata") {
+    throw new Error("Can not shift node " + JSON.stringify(node.type));
+  }
+
+  node.startOffset += delta;
+
+  if (_typeof(node.size.loc) === "object") {
+    shiftLoc(node.size, delta);
+  } // Custom sections doesn't have vectorOfSize
+
+
+  if (_typeof(node.vectorOfSize) === "object" && _typeof(node.vectorOfSize.loc) === "object") {
+    shiftLoc(node.vectorOfSize, delta);
+  }
+
+  var sectionName = node.section; // shift node locations within that section
+
+  traverse(ast, {
+    Node: function Node(_ref3) {
+      var node = _ref3.node;
+      var section = getSectionForNode(node);
+
+      if (section === sectionName && _typeof(node.loc) === "object") {
+        shiftLoc(node, delta);
+      }
+    }
+  });
+}
+export function signatureForOpcode(object, name) {
+  var opcodeName = name;
+
+  if (object !== undefined && object !== "") {
+    opcodeName = object + "." + name;
+  }
+
+  var sign = signatures[opcodeName];
+
+  if (sign == undefined) {
+    // TODO: Uncomment this when br_table and others has been done
+    //throw new Error("Invalid opcode: "+opcodeName);
+    return [object, object];
+  }
+
+  return sign[0];
+}
+export function getUniqueNameGenerator() {
+  var inc = {};
+  return function () {
+    var prefix = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
+
+    if (!(prefix in inc)) {
+      inc[prefix] = 0;
+    } else {
+      inc[prefix] = inc[prefix] + 1;
+    }
+
+    return prefix + "_" + inc[prefix];
+  };
+}
+export function getStartByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.start === "undefined") {
+    throw new Error( // $FlowIgnore
+    "Can not get byte offset without loc informations, node: " + String(n.id));
+  }
+
+  return n.loc.start.column;
+}
+export function getEndByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.end === "undefined") {
+    throw new Error("Can not get byte offset without loc informations, node: " + n.type);
+  }
+
+  return n.loc.end.column;
+}
+export function getFunctionBeginingByteOffset(n) {
+  if (!(n.body.length > 0)) {
+    throw new Error('n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var _n$body = _slicedToArray(n.body, 1),
+      firstInstruction = _n$body[0];
+
+  return getStartByteOffset(firstInstruction);
+}
+export function getEndBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var lastInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    lastInstruction = n.instr[n.instr.length - 1];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    lastInstruction = n.body[n.body.length - 1];
+  }
+
+  if (!(_typeof(lastInstruction) === "object")) {
+    throw new Error('typeof lastInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(lastInstruction);
+}
+export function getStartBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var fistInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    var _n$instr = _slicedToArray(n.instr, 1);
+
+    fistInstruction = _n$instr[0];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    var _n$body2 = _slicedToArray(n.body, 1);
+
+    fistInstruction = _n$body2[0];
+  }
+
+  if (!(_typeof(fistInstruction) === "object")) {
+    throw new Error('typeof fistInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(fistInstruction);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/clone.js b/node_modules/@webassemblyjs/ast/lib/clone.js
new file mode 100644
index 00000000..7c386a47
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/clone.js
@@ -0,0 +1,17 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.cloneNode = cloneNode;
+
+function cloneNode(n) {
+  // $FlowIgnore
+  var newObj = {};
+
+  for (var k in n) {
+    newObj[k] = n[k];
+  }
+
+  return newObj;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/definitions.js b/node_modules/@webassemblyjs/ast/lib/definitions.js
new file mode 100644
index 00000000..120311b6
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/definitions.js
@@ -0,0 +1,663 @@
+var definitions = {};
+
+function defineType(typeName, metadata) {
+  definitions[typeName] = metadata;
+}
+
+defineType("Module", {
+  spec: {
+    wasm: "https://webassembly.github.io/spec/core/binary/modules.html#binary-module",
+    wat: "https://webassembly.github.io/spec/core/text/modules.html#text-module"
+  },
+  doc: "A module consists of a sequence of sections (termed fields in the text format).",
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    fields: {
+      array: true,
+      type: "Node"
+    },
+    metadata: {
+      optional: true,
+      type: "ModuleMetadata"
+    }
+  }
+});
+defineType("ModuleMetadata", {
+  unionType: ["Node"],
+  fields: {
+    sections: {
+      array: true,
+      type: "SectionMetadata"
+    },
+    functionNames: {
+      optional: true,
+      array: true,
+      type: "FunctionNameMetadata"
+    },
+    localNames: {
+      optional: true,
+      array: true,
+      type: "ModuleMetadata"
+    },
+    producers: {
+      optional: true,
+      array: true,
+      type: "ProducersSectionMetadata"
+    }
+  }
+});
+defineType("ModuleNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("FunctionNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    index: {
+      type: "number"
+    }
+  }
+});
+defineType("LocalNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    localIndex: {
+      type: "number"
+    },
+    functionIndex: {
+      type: "number"
+    }
+  }
+});
+defineType("BinaryModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    blob: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("QuoteModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    string: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("SectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    section: {
+      type: "SectionName"
+    },
+    startOffset: {
+      type: "number"
+    },
+    size: {
+      type: "NumberLiteral"
+    },
+    vectorOfSize: {
+      comment: "Size of the vector in the section (if any)",
+      type: "NumberLiteral"
+    }
+  }
+});
+defineType("ProducersSectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    producers: {
+      array: true,
+      type: "ProducerMetadata"
+    }
+  }
+});
+defineType("ProducerMetadata", {
+  unionType: ["Node"],
+  fields: {
+    language: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    processedBy: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    sdk: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    }
+  }
+});
+defineType("ProducerMetadataVersionedName", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    version: {
+      type: "string"
+    }
+  }
+});
+/*
+Instructions
+*/
+
+defineType("LoopInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "loop"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    resulttype: {
+      maybe: true,
+      type: "Valtype"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+defineType("Instr", {
+  unionType: ["Node", "Expression", "Instruction"],
+  fields: {
+    id: {
+      type: "string"
+    },
+    object: {
+      optional: true,
+      type: "Valtype"
+    },
+    args: {
+      array: true,
+      type: "Expression"
+    },
+    namedArgs: {
+      optional: true,
+      type: "Object"
+    }
+  }
+});
+defineType("IfInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "if"
+    },
+    testLabel: {
+      comment: "only for WAST",
+      type: "Identifier"
+    },
+    test: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    },
+    consequent: {
+      array: true,
+      type: "Instruction"
+    },
+    alternate: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+/* 
+Concrete value types
+*/
+
+defineType("StringLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("NumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("LongNumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "LongNumber"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("FloatLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    nan: {
+      optional: true,
+      type: "boolean"
+    },
+    inf: {
+      optional: true,
+      type: "boolean"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("Elem", {
+  unionType: ["Node"],
+  fields: {
+    table: {
+      type: "Index"
+    },
+    offset: {
+      array: true,
+      type: "Instruction"
+    },
+    funcs: {
+      array: true,
+      type: "Index"
+    }
+  }
+});
+defineType("IndexInFuncSection", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("ValtypeLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    name: {
+      type: "Valtype"
+    }
+  }
+});
+defineType("TypeInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "Index"
+    },
+    functype: {
+      type: "Signature"
+    }
+  }
+});
+defineType("Start", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("GlobalType", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    valtype: {
+      type: "Valtype"
+    },
+    mutability: {
+      type: "Mutability"
+    }
+  }
+});
+defineType("LeadingComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("BlockComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("Data", {
+  unionType: ["Node"],
+  fields: {
+    memoryIndex: {
+      type: "Memidx"
+    },
+    offset: {
+      type: "Instruction"
+    },
+    init: {
+      type: "ByteArray"
+    }
+  }
+});
+defineType("Global", {
+  unionType: ["Node"],
+  fields: {
+    globalType: {
+      type: "GlobalType"
+    },
+    init: {
+      array: true,
+      type: "Instruction"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    }
+  }
+});
+defineType("Table", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    elementType: {
+      type: "TableElementType"
+    },
+    limits: {
+      assertNodeType: true,
+      type: "Limit"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    },
+    elements: {
+      array: true,
+      optional: true,
+      type: "Index"
+    }
+  }
+});
+defineType("Memory", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    limits: {
+      type: "Limit"
+    },
+    id: {
+      maybe: true,
+      type: "Index"
+    }
+  }
+});
+defineType("FuncImportDescr", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    id: {
+      type: "Identifier"
+    },
+    signature: {
+      type: "Signature"
+    }
+  }
+});
+defineType("ModuleImport", {
+  unionType: ["Node"],
+  fields: {
+    module: {
+      type: "string"
+    },
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ImportDescr"
+    }
+  }
+});
+defineType("ModuleExportDescr", {
+  unionType: ["Node"],
+  fields: {
+    exportType: {
+      type: "ExportDescrType"
+    },
+    id: {
+      type: "Index"
+    }
+  }
+});
+defineType("ModuleExport", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ModuleExportDescr"
+    }
+  }
+});
+defineType("Limit", {
+  unionType: ["Node"],
+  fields: {
+    min: {
+      type: "number"
+    },
+    max: {
+      optional: true,
+      type: "number"
+    }
+  }
+});
+defineType("Signature", {
+  unionType: ["Node"],
+  fields: {
+    params: {
+      array: true,
+      type: "FuncParam"
+    },
+    results: {
+      array: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("Program", {
+  unionType: ["Node"],
+  fields: {
+    body: {
+      array: true,
+      type: "Node"
+    }
+  }
+});
+defineType("Identifier", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    raw: {
+      optional: true,
+      type: "string"
+    }
+  }
+});
+defineType("BlockInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "block"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("CallInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call"
+    },
+    index: {
+      type: "Index"
+    },
+    instrArgs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    },
+    numeric: {
+      type: "Index",
+      optional: true
+    }
+  }
+});
+defineType("CallIndirectInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call_indirect"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    intrs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    }
+  }
+});
+defineType("ByteArray", {
+  unionType: ["Node"],
+  fields: {
+    values: {
+      array: true,
+      type: "Byte"
+    }
+  }
+});
+defineType("Func", {
+  unionType: ["Node", "Block"],
+  fields: {
+    name: {
+      maybe: true,
+      type: "Index"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    body: {
+      array: true,
+      type: "Instruction"
+    },
+    isExternal: {
+      comment: "means that it has been imported from the outside js",
+      optional: true,
+      type: "boolean"
+    },
+    metadata: {
+      optional: true,
+      type: "FuncMetadata"
+    }
+  }
+});
+/**
+ * Intrinsics
+ */
+
+defineType("InternalBrUnless", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalGoto", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalCallExtern", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+}); // function bodies are terminated by an `end` instruction but are missing a
+// return instruction
+//
+// Since we can't inject a new instruction we are injecting a new instruction.
+
+defineType("InternalEndAndReturn", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {}
+});
+module.exports = definitions;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/index.js b/node_modules/@webassemblyjs/ast/lib/index.js
new file mode 100644
index 00000000..e5dda7e1
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/index.js
@@ -0,0 +1,118 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+var _exportNames = {
+  numberLiteralFromRaw: true,
+  withLoc: true,
+  withRaw: true,
+  funcParam: true,
+  indexLiteral: true,
+  memIndexLiteral: true,
+  instruction: true,
+  objectInstruction: true,
+  traverse: true,
+  signatures: true,
+  cloneNode: true
+};
+Object.defineProperty(exports, "numberLiteralFromRaw", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.numberLiteralFromRaw;
+  }
+});
+Object.defineProperty(exports, "withLoc", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.withLoc;
+  }
+});
+Object.defineProperty(exports, "withRaw", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.withRaw;
+  }
+});
+Object.defineProperty(exports, "funcParam", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.funcParam;
+  }
+});
+Object.defineProperty(exports, "indexLiteral", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.indexLiteral;
+  }
+});
+Object.defineProperty(exports, "memIndexLiteral", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.memIndexLiteral;
+  }
+});
+Object.defineProperty(exports, "instruction", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.instruction;
+  }
+});
+Object.defineProperty(exports, "objectInstruction", {
+  enumerable: true,
+  get: function get() {
+    return _nodeHelpers.objectInstruction;
+  }
+});
+Object.defineProperty(exports, "traverse", {
+  enumerable: true,
+  get: function get() {
+    return _traverse.traverse;
+  }
+});
+Object.defineProperty(exports, "signatures", {
+  enumerable: true,
+  get: function get() {
+    return _signatures.signatures;
+  }
+});
+Object.defineProperty(exports, "cloneNode", {
+  enumerable: true,
+  get: function get() {
+    return _clone.cloneNode;
+  }
+});
+
+var _nodes = require("./nodes");
+
+Object.keys(_nodes).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
+  Object.defineProperty(exports, key, {
+    enumerable: true,
+    get: function get() {
+      return _nodes[key];
+    }
+  });
+});
+
+var _nodeHelpers = require("./node-helpers.js");
+
+var _traverse = require("./traverse");
+
+var _signatures = require("./signatures");
+
+var _utils = require("./utils");
+
+Object.keys(_utils).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
+  Object.defineProperty(exports, key, {
+    enumerable: true,
+    get: function get() {
+      return _utils[key];
+    }
+  });
+});
+
+var _clone = require("./clone");
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/node-helpers.js b/node_modules/@webassemblyjs/ast/lib/node-helpers.js
new file mode 100644
index 00000000..50dab1f8
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/node-helpers.js
@@ -0,0 +1,107 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.numberLiteralFromRaw = numberLiteralFromRaw;
+exports.instruction = instruction;
+exports.objectInstruction = objectInstruction;
+exports.withLoc = withLoc;
+exports.withRaw = withRaw;
+exports.funcParam = funcParam;
+exports.indexLiteral = indexLiteral;
+exports.memIndexLiteral = memIndexLiteral;
+
+var _wastParser = require("@webassemblyjs/wast-parser");
+
+var _nodes = require("./nodes");
+
+function numberLiteralFromRaw(rawValue) {
+  var instructionType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "i32";
+  var original = rawValue; // Remove numeric separators _
+
+  if (typeof rawValue === "string") {
+    rawValue = rawValue.replace(/_/g, "");
+  }
+
+  if (typeof rawValue === "number") {
+    return (0, _nodes.numberLiteral)(rawValue, String(original));
+  } else {
+    switch (instructionType) {
+      case "i32":
+        {
+          return (0, _nodes.numberLiteral)((0, _wastParser.parse32I)(rawValue), String(original));
+        }
+
+      case "u32":
+        {
+          return (0, _nodes.numberLiteral)((0, _wastParser.parseU32)(rawValue), String(original));
+        }
+
+      case "i64":
+        {
+          return (0, _nodes.longNumberLiteral)((0, _wastParser.parse64I)(rawValue), String(original));
+        }
+
+      case "f32":
+        {
+          return (0, _nodes.floatLiteral)((0, _wastParser.parse32F)(rawValue), (0, _wastParser.isNanLiteral)(rawValue), (0, _wastParser.isInfLiteral)(rawValue), String(original));
+        }
+      // f64
+
+      default:
+        {
+          return (0, _nodes.floatLiteral)((0, _wastParser.parse64F)(rawValue), (0, _wastParser.isNanLiteral)(rawValue), (0, _wastParser.isInfLiteral)(rawValue), String(original));
+        }
+    }
+  }
+}
+
+function instruction(id) {
+  var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+  var namedArgs = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+  return (0, _nodes.instr)(id, undefined, args, namedArgs);
+}
+
+function objectInstruction(id, object) {
+  var args = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
+  var namedArgs = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
+  return (0, _nodes.instr)(id, object, args, namedArgs);
+}
+/**
+ * Decorators
+ */
+
+
+function withLoc(n, end, start) {
+  var loc = {
+    start: start,
+    end: end
+  };
+  n.loc = loc;
+  return n;
+}
+
+function withRaw(n, raw) {
+  n.raw = raw;
+  return n;
+}
+
+function funcParam(valtype, id) {
+  return {
+    id: id,
+    valtype: valtype
+  };
+}
+
+function indexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
+
+function memIndexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/node-path.js b/node_modules/@webassemblyjs/ast/lib/node-path.js
new file mode 100644
index 00000000..cf855342
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/node-path.js
@@ -0,0 +1,144 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createPath = createPath;
+
+function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+function findParent(_ref, cb) {
+  var parentPath = _ref.parentPath;
+
+  if (parentPath == null) {
+    throw new Error("node is root");
+  }
+
+  var currentPath = parentPath;
+
+  while (cb(currentPath) !== false) {
+    // Hit the root node, stop
+    // $FlowIgnore
+    if (currentPath.parentPath == null) {
+      return null;
+    } // $FlowIgnore
+
+
+    currentPath = currentPath.parentPath;
+  }
+
+  return currentPath.node;
+}
+
+function insertBefore(context, newNode) {
+  return insert(context, newNode);
+}
+
+function insertAfter(context, newNode) {
+  return insert(context, newNode, 1);
+}
+
+function insert(_ref2, newNode) {
+  var node = _ref2.node,
+      inList = _ref2.inList,
+      parentPath = _ref2.parentPath,
+      parentKey = _ref2.parentKey;
+  var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+  if (!inList) {
+    throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
+  }
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentList = parentPath.node[parentKey];
+  var indexInList = parentList.findIndex(function (n) {
+    return n === node;
+  });
+  parentList.splice(indexInList + indexOffset, 0, newNode);
+}
+
+function remove(_ref3) {
+  var node = _ref3.node,
+      parentKey = _ref3.parentKey,
+      parentPath = _ref3.parentPath;
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentNode = parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    // $FlowIgnore
+    parentNode[parentKey] = parentProperty.filter(function (n) {
+      return n !== node;
+    });
+  } else {
+    // $FlowIgnore
+    delete parentNode[parentKey];
+  }
+
+  node._deleted = true;
+}
+
+function stop(context) {
+  context.shouldStop = true;
+}
+
+function replaceWith(context, newNode) {
+  // $FlowIgnore
+  var parentNode = context.parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[context.parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    var indexInList = parentProperty.findIndex(function (n) {
+      return n === context.node;
+    });
+    parentProperty.splice(indexInList, 1, newNode);
+  } else {
+    // $FlowIgnore
+    parentNode[context.parentKey] = newNode;
+  }
+
+  context.node._deleted = true;
+  context.node = newNode;
+} // bind the context to the first argument of node operations
+
+
+function bindNodeOperations(operations, context) {
+  var keys = Object.keys(operations);
+  var boundOperations = {};
+  keys.forEach(function (key) {
+    boundOperations[key] = operations[key].bind(null, context);
+  });
+  return boundOperations;
+}
+
+function createPathOperations(context) {
+  // $FlowIgnore
+  return bindNodeOperations({
+    findParent: findParent,
+    replaceWith: replaceWith,
+    remove: remove,
+    insertBefore: insertBefore,
+    insertAfter: insertAfter,
+    stop: stop
+  }, context);
+}
+
+function createPath(context) {
+  var path = _extends({}, context); // $FlowIgnore
+
+
+  Object.assign(path, createPathOperations(path)); // $FlowIgnore
+
+  return path;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/nodes.js b/node_modules/@webassemblyjs/ast/lib/nodes.js
new file mode 100644
index 00000000..d99db0fd
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/nodes.js
@@ -0,0 +1,1134 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.module = _module;
+exports.moduleMetadata = moduleMetadata;
+exports.moduleNameMetadata = moduleNameMetadata;
+exports.functionNameMetadata = functionNameMetadata;
+exports.localNameMetadata = localNameMetadata;
+exports.binaryModule = binaryModule;
+exports.quoteModule = quoteModule;
+exports.sectionMetadata = sectionMetadata;
+exports.producersSectionMetadata = producersSectionMetadata;
+exports.producerMetadata = producerMetadata;
+exports.producerMetadataVersionedName = producerMetadataVersionedName;
+exports.loopInstruction = loopInstruction;
+exports.instr = instr;
+exports.ifInstruction = ifInstruction;
+exports.stringLiteral = stringLiteral;
+exports.numberLiteral = numberLiteral;
+exports.longNumberLiteral = longNumberLiteral;
+exports.floatLiteral = floatLiteral;
+exports.elem = elem;
+exports.indexInFuncSection = indexInFuncSection;
+exports.valtypeLiteral = valtypeLiteral;
+exports.typeInstruction = typeInstruction;
+exports.start = start;
+exports.globalType = globalType;
+exports.leadingComment = leadingComment;
+exports.blockComment = blockComment;
+exports.data = data;
+exports.global = global;
+exports.table = table;
+exports.memory = memory;
+exports.funcImportDescr = funcImportDescr;
+exports.moduleImport = moduleImport;
+exports.moduleExportDescr = moduleExportDescr;
+exports.moduleExport = moduleExport;
+exports.limit = limit;
+exports.signature = signature;
+exports.program = program;
+exports.identifier = identifier;
+exports.blockInstruction = blockInstruction;
+exports.callInstruction = callInstruction;
+exports.callIndirectInstruction = callIndirectInstruction;
+exports.byteArray = byteArray;
+exports.func = func;
+exports.internalBrUnless = internalBrUnless;
+exports.internalGoto = internalGoto;
+exports.internalCallExtern = internalCallExtern;
+exports.internalEndAndReturn = internalEndAndReturn;
+exports.assertInternalCallExtern = exports.assertInternalGoto = exports.assertInternalBrUnless = exports.assertFunc = exports.assertByteArray = exports.assertCallIndirectInstruction = exports.assertCallInstruction = exports.assertBlockInstruction = exports.assertIdentifier = exports.assertProgram = exports.assertSignature = exports.assertLimit = exports.assertModuleExport = exports.assertModuleExportDescr = exports.assertModuleImport = exports.assertFuncImportDescr = exports.assertMemory = exports.assertTable = exports.assertGlobal = exports.assertData = exports.assertBlockComment = exports.assertLeadingComment = exports.assertGlobalType = exports.assertStart = exports.assertTypeInstruction = exports.assertValtypeLiteral = exports.assertIndexInFuncSection = exports.assertElem = exports.assertFloatLiteral = exports.assertLongNumberLiteral = exports.assertNumberLiteral = exports.assertStringLiteral = exports.assertIfInstruction = exports.assertInstr = exports.assertLoopInstruction = exports.assertProducerMetadataVersionedName = exports.assertProducerMetadata = exports.assertProducersSectionMetadata = exports.assertSectionMetadata = exports.assertQuoteModule = exports.assertBinaryModule = exports.assertLocalNameMetadata = exports.assertFunctionNameMetadata = exports.assertModuleNameMetadata = exports.assertModuleMetadata = exports.assertModule = exports.isIntrinsic = exports.isImportDescr = exports.isNumericLiteral = exports.isExpression = exports.isInstruction = exports.isBlock = exports.isNode = exports.isInternalEndAndReturn = exports.isInternalCallExtern = exports.isInternalGoto = exports.isInternalBrUnless = exports.isFunc = exports.isByteArray = exports.isCallIndirectInstruction = exports.isCallInstruction = exports.isBlockInstruction = exports.isIdentifier = exports.isProgram = exports.isSignature = exports.isLimit = exports.isModuleExport = exports.isModuleExportDescr = exports.isModuleImport = exports.isFuncImportDescr = exports.isMemory = exports.isTable = exports.isGlobal = exports.isData = exports.isBlockComment = exports.isLeadingComment = exports.isGlobalType = exports.isStart = exports.isTypeInstruction = exports.isValtypeLiteral = exports.isIndexInFuncSection = exports.isElem = exports.isFloatLiteral = exports.isLongNumberLiteral = exports.isNumberLiteral = exports.isStringLiteral = exports.isIfInstruction = exports.isInstr = exports.isLoopInstruction = exports.isProducerMetadataVersionedName = exports.isProducerMetadata = exports.isProducersSectionMetadata = exports.isSectionMetadata = exports.isQuoteModule = exports.isBinaryModule = exports.isLocalNameMetadata = exports.isFunctionNameMetadata = exports.isModuleNameMetadata = exports.isModuleMetadata = exports.isModule = void 0;
+exports.nodeAndUnionTypes = exports.unionTypesMap = exports.assertInternalEndAndReturn = void 0;
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+// THIS FILE IS AUTOGENERATED
+// see scripts/generateNodeUtils.js
+function isTypeOf(t) {
+  return function (n) {
+    return n.type === t;
+  };
+}
+
+function assertTypeOf(t) {
+  return function (n) {
+    return function () {
+      if (!(n.type === t)) {
+        throw new Error('n.type === t' + " error: " + (undefined || "unknown"));
+      }
+    }();
+  };
+}
+
+function _module(id, fields, metadata) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(fields) === "object" && typeof fields.length !== "undefined")) {
+    throw new Error('typeof fields === "object" && typeof fields.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Module",
+    id: id,
+    fields: fields
+  };
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+
+function moduleMetadata(sections, functionNames, localNames, producers) {
+  if (!(_typeof(sections) === "object" && typeof sections.length !== "undefined")) {
+    throw new Error('typeof sections === "object" && typeof sections.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (functionNames !== null && functionNames !== undefined) {
+    if (!(_typeof(functionNames) === "object" && typeof functionNames.length !== "undefined")) {
+      throw new Error('typeof functionNames === "object" && typeof functionNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (localNames !== null && localNames !== undefined) {
+    if (!(_typeof(localNames) === "object" && typeof localNames.length !== "undefined")) {
+      throw new Error('typeof localNames === "object" && typeof localNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (producers !== null && producers !== undefined) {
+    if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+      throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "ModuleMetadata",
+    sections: sections
+  };
+
+  if (typeof functionNames !== "undefined" && functionNames.length > 0) {
+    node.functionNames = functionNames;
+  }
+
+  if (typeof localNames !== "undefined" && localNames.length > 0) {
+    node.localNames = localNames;
+  }
+
+  if (typeof producers !== "undefined" && producers.length > 0) {
+    node.producers = producers;
+  }
+
+  return node;
+}
+
+function moduleNameMetadata(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleNameMetadata",
+    value: value
+  };
+  return node;
+}
+
+function functionNameMetadata(value, index) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof index === "number")) {
+    throw new Error('typeof index === "number"' + " error: " + ("Argument index must be of type number, given: " + _typeof(index) || "unknown"));
+  }
+
+  var node = {
+    type: "FunctionNameMetadata",
+    value: value,
+    index: index
+  };
+  return node;
+}
+
+function localNameMetadata(value, localIndex, functionIndex) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof localIndex === "number")) {
+    throw new Error('typeof localIndex === "number"' + " error: " + ("Argument localIndex must be of type number, given: " + _typeof(localIndex) || "unknown"));
+  }
+
+  if (!(typeof functionIndex === "number")) {
+    throw new Error('typeof functionIndex === "number"' + " error: " + ("Argument functionIndex must be of type number, given: " + _typeof(functionIndex) || "unknown"));
+  }
+
+  var node = {
+    type: "LocalNameMetadata",
+    value: value,
+    localIndex: localIndex,
+    functionIndex: functionIndex
+  };
+  return node;
+}
+
+function binaryModule(id, blob) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(blob) === "object" && typeof blob.length !== "undefined")) {
+    throw new Error('typeof blob === "object" && typeof blob.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BinaryModule",
+    id: id,
+    blob: blob
+  };
+  return node;
+}
+
+function quoteModule(id, string) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(string) === "object" && typeof string.length !== "undefined")) {
+    throw new Error('typeof string === "object" && typeof string.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "QuoteModule",
+    id: id,
+    string: string
+  };
+  return node;
+}
+
+function sectionMetadata(section, startOffset, size, vectorOfSize) {
+  if (!(typeof startOffset === "number")) {
+    throw new Error('typeof startOffset === "number"' + " error: " + ("Argument startOffset must be of type number, given: " + _typeof(startOffset) || "unknown"));
+  }
+
+  var node = {
+    type: "SectionMetadata",
+    section: section,
+    startOffset: startOffset,
+    size: size,
+    vectorOfSize: vectorOfSize
+  };
+  return node;
+}
+
+function producersSectionMetadata(producers) {
+  if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+    throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducersSectionMetadata",
+    producers: producers
+  };
+  return node;
+}
+
+function producerMetadata(language, processedBy, sdk) {
+  if (!(_typeof(language) === "object" && typeof language.length !== "undefined")) {
+    throw new Error('typeof language === "object" && typeof language.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(processedBy) === "object" && typeof processedBy.length !== "undefined")) {
+    throw new Error('typeof processedBy === "object" && typeof processedBy.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(sdk) === "object" && typeof sdk.length !== "undefined")) {
+    throw new Error('typeof sdk === "object" && typeof sdk.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadata",
+    language: language,
+    processedBy: processedBy,
+    sdk: sdk
+  };
+  return node;
+}
+
+function producerMetadataVersionedName(name, version) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  if (!(typeof version === "string")) {
+    throw new Error('typeof version === "string"' + " error: " + ("Argument version must be of type string, given: " + _typeof(version) || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadataVersionedName",
+    name: name,
+    version: version
+  };
+  return node;
+}
+
+function loopInstruction(label, resulttype, instr) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "LoopInstruction",
+    id: "loop",
+    label: label,
+    resulttype: resulttype,
+    instr: instr
+  };
+  return node;
+}
+
+function instr(id, object, args, namedArgs) {
+  if (!(typeof id === "string")) {
+    throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+  }
+
+  if (!(_typeof(args) === "object" && typeof args.length !== "undefined")) {
+    throw new Error('typeof args === "object" && typeof args.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Instr",
+    id: id,
+    args: args
+  };
+
+  if (typeof object !== "undefined") {
+    node.object = object;
+  }
+
+  if (typeof namedArgs !== "undefined" && Object.keys(namedArgs).length !== 0) {
+    node.namedArgs = namedArgs;
+  }
+
+  return node;
+}
+
+function ifInstruction(testLabel, test, result, consequent, alternate) {
+  if (!(_typeof(test) === "object" && typeof test.length !== "undefined")) {
+    throw new Error('typeof test === "object" && typeof test.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(consequent) === "object" && typeof consequent.length !== "undefined")) {
+    throw new Error('typeof consequent === "object" && typeof consequent.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(alternate) === "object" && typeof alternate.length !== "undefined")) {
+    throw new Error('typeof alternate === "object" && typeof alternate.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "IfInstruction",
+    id: "if",
+    testLabel: testLabel,
+    test: test,
+    result: result,
+    consequent: consequent,
+    alternate: alternate
+  };
+  return node;
+}
+
+function stringLiteral(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "StringLiteral",
+    value: value
+  };
+  return node;
+}
+
+function numberLiteral(value, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "NumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+
+function longNumberLiteral(value, raw) {
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "LongNumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+
+function floatLiteral(value, nan, inf, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (nan !== null && nan !== undefined) {
+    if (!(typeof nan === "boolean")) {
+      throw new Error('typeof nan === "boolean"' + " error: " + ("Argument nan must be of type boolean, given: " + _typeof(nan) || "unknown"));
+    }
+  }
+
+  if (inf !== null && inf !== undefined) {
+    if (!(typeof inf === "boolean")) {
+      throw new Error('typeof inf === "boolean"' + " error: " + ("Argument inf must be of type boolean, given: " + _typeof(inf) || "unknown"));
+    }
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "FloatLiteral",
+    value: value,
+    raw: raw
+  };
+
+  if (nan === true) {
+    node.nan = true;
+  }
+
+  if (inf === true) {
+    node.inf = true;
+  }
+
+  return node;
+}
+
+function elem(table, offset, funcs) {
+  if (!(_typeof(offset) === "object" && typeof offset.length !== "undefined")) {
+    throw new Error('typeof offset === "object" && typeof offset.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(funcs) === "object" && typeof funcs.length !== "undefined")) {
+    throw new Error('typeof funcs === "object" && typeof funcs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Elem",
+    table: table,
+    offset: offset,
+    funcs: funcs
+  };
+  return node;
+}
+
+function indexInFuncSection(index) {
+  var node = {
+    type: "IndexInFuncSection",
+    index: index
+  };
+  return node;
+}
+
+function valtypeLiteral(name) {
+  var node = {
+    type: "ValtypeLiteral",
+    name: name
+  };
+  return node;
+}
+
+function typeInstruction(id, functype) {
+  var node = {
+    type: "TypeInstruction",
+    id: id,
+    functype: functype
+  };
+  return node;
+}
+
+function start(index) {
+  var node = {
+    type: "Start",
+    index: index
+  };
+  return node;
+}
+
+function globalType(valtype, mutability) {
+  var node = {
+    type: "GlobalType",
+    valtype: valtype,
+    mutability: mutability
+  };
+  return node;
+}
+
+function leadingComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "LeadingComment",
+    value: value
+  };
+  return node;
+}
+
+function blockComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "BlockComment",
+    value: value
+  };
+  return node;
+}
+
+function data(memoryIndex, offset, init) {
+  var node = {
+    type: "Data",
+    memoryIndex: memoryIndex,
+    offset: offset,
+    init: init
+  };
+  return node;
+}
+
+function global(globalType, init, name) {
+  if (!(_typeof(init) === "object" && typeof init.length !== "undefined")) {
+    throw new Error('typeof init === "object" && typeof init.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Global",
+    globalType: globalType,
+    init: init,
+    name: name
+  };
+  return node;
+}
+
+function table(elementType, limits, name, elements) {
+  if (!(limits.type === "Limit")) {
+    throw new Error('limits.type === "Limit"' + " error: " + ("Argument limits must be of type Limit, given: " + limits.type || "unknown"));
+  }
+
+  if (elements !== null && elements !== undefined) {
+    if (!(_typeof(elements) === "object" && typeof elements.length !== "undefined")) {
+      throw new Error('typeof elements === "object" && typeof elements.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Table",
+    elementType: elementType,
+    limits: limits,
+    name: name
+  };
+
+  if (typeof elements !== "undefined" && elements.length > 0) {
+    node.elements = elements;
+  }
+
+  return node;
+}
+
+function memory(limits, id) {
+  var node = {
+    type: "Memory",
+    limits: limits,
+    id: id
+  };
+  return node;
+}
+
+function funcImportDescr(id, signature) {
+  var node = {
+    type: "FuncImportDescr",
+    id: id,
+    signature: signature
+  };
+  return node;
+}
+
+function moduleImport(module, name, descr) {
+  if (!(typeof module === "string")) {
+    throw new Error('typeof module === "string"' + " error: " + ("Argument module must be of type string, given: " + _typeof(module) || "unknown"));
+  }
+
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleImport",
+    module: module,
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+
+function moduleExportDescr(exportType, id) {
+  var node = {
+    type: "ModuleExportDescr",
+    exportType: exportType,
+    id: id
+  };
+  return node;
+}
+
+function moduleExport(name, descr) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleExport",
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+
+function limit(min, max) {
+  if (!(typeof min === "number")) {
+    throw new Error('typeof min === "number"' + " error: " + ("Argument min must be of type number, given: " + _typeof(min) || "unknown"));
+  }
+
+  if (max !== null && max !== undefined) {
+    if (!(typeof max === "number")) {
+      throw new Error('typeof max === "number"' + " error: " + ("Argument max must be of type number, given: " + _typeof(max) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Limit",
+    min: min
+  };
+
+  if (typeof max !== "undefined") {
+    node.max = max;
+  }
+
+  return node;
+}
+
+function signature(params, results) {
+  if (!(_typeof(params) === "object" && typeof params.length !== "undefined")) {
+    throw new Error('typeof params === "object" && typeof params.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(results) === "object" && typeof results.length !== "undefined")) {
+    throw new Error('typeof results === "object" && typeof results.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Signature",
+    params: params,
+    results: results
+  };
+  return node;
+}
+
+function program(body) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Program",
+    body: body
+  };
+  return node;
+}
+
+function identifier(value, raw) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (raw !== null && raw !== undefined) {
+    if (!(typeof raw === "string")) {
+      throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Identifier",
+    value: value
+  };
+
+  if (typeof raw !== "undefined") {
+    node.raw = raw;
+  }
+
+  return node;
+}
+
+function blockInstruction(label, instr, result) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BlockInstruction",
+    id: "block",
+    label: label,
+    instr: instr,
+    result: result
+  };
+  return node;
+}
+
+function callInstruction(index, instrArgs, numeric) {
+  if (instrArgs !== null && instrArgs !== undefined) {
+    if (!(_typeof(instrArgs) === "object" && typeof instrArgs.length !== "undefined")) {
+      throw new Error('typeof instrArgs === "object" && typeof instrArgs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallInstruction",
+    id: "call",
+    index: index
+  };
+
+  if (typeof instrArgs !== "undefined" && instrArgs.length > 0) {
+    node.instrArgs = instrArgs;
+  }
+
+  if (typeof numeric !== "undefined") {
+    node.numeric = numeric;
+  }
+
+  return node;
+}
+
+function callIndirectInstruction(signature, intrs) {
+  if (intrs !== null && intrs !== undefined) {
+    if (!(_typeof(intrs) === "object" && typeof intrs.length !== "undefined")) {
+      throw new Error('typeof intrs === "object" && typeof intrs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallIndirectInstruction",
+    id: "call_indirect",
+    signature: signature
+  };
+
+  if (typeof intrs !== "undefined" && intrs.length > 0) {
+    node.intrs = intrs;
+  }
+
+  return node;
+}
+
+function byteArray(values) {
+  if (!(_typeof(values) === "object" && typeof values.length !== "undefined")) {
+    throw new Error('typeof values === "object" && typeof values.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ByteArray",
+    values: values
+  };
+  return node;
+}
+
+function func(name, signature, body, isExternal, metadata) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (isExternal !== null && isExternal !== undefined) {
+    if (!(typeof isExternal === "boolean")) {
+      throw new Error('typeof isExternal === "boolean"' + " error: " + ("Argument isExternal must be of type boolean, given: " + _typeof(isExternal) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Func",
+    name: name,
+    signature: signature,
+    body: body
+  };
+
+  if (isExternal === true) {
+    node.isExternal = true;
+  }
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+
+function internalBrUnless(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalBrUnless",
+    target: target
+  };
+  return node;
+}
+
+function internalGoto(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalGoto",
+    target: target
+  };
+  return node;
+}
+
+function internalCallExtern(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalCallExtern",
+    target: target
+  };
+  return node;
+}
+
+function internalEndAndReturn() {
+  var node = {
+    type: "InternalEndAndReturn"
+  };
+  return node;
+}
+
+var isModule = isTypeOf("Module");
+exports.isModule = isModule;
+var isModuleMetadata = isTypeOf("ModuleMetadata");
+exports.isModuleMetadata = isModuleMetadata;
+var isModuleNameMetadata = isTypeOf("ModuleNameMetadata");
+exports.isModuleNameMetadata = isModuleNameMetadata;
+var isFunctionNameMetadata = isTypeOf("FunctionNameMetadata");
+exports.isFunctionNameMetadata = isFunctionNameMetadata;
+var isLocalNameMetadata = isTypeOf("LocalNameMetadata");
+exports.isLocalNameMetadata = isLocalNameMetadata;
+var isBinaryModule = isTypeOf("BinaryModule");
+exports.isBinaryModule = isBinaryModule;
+var isQuoteModule = isTypeOf("QuoteModule");
+exports.isQuoteModule = isQuoteModule;
+var isSectionMetadata = isTypeOf("SectionMetadata");
+exports.isSectionMetadata = isSectionMetadata;
+var isProducersSectionMetadata = isTypeOf("ProducersSectionMetadata");
+exports.isProducersSectionMetadata = isProducersSectionMetadata;
+var isProducerMetadata = isTypeOf("ProducerMetadata");
+exports.isProducerMetadata = isProducerMetadata;
+var isProducerMetadataVersionedName = isTypeOf("ProducerMetadataVersionedName");
+exports.isProducerMetadataVersionedName = isProducerMetadataVersionedName;
+var isLoopInstruction = isTypeOf("LoopInstruction");
+exports.isLoopInstruction = isLoopInstruction;
+var isInstr = isTypeOf("Instr");
+exports.isInstr = isInstr;
+var isIfInstruction = isTypeOf("IfInstruction");
+exports.isIfInstruction = isIfInstruction;
+var isStringLiteral = isTypeOf("StringLiteral");
+exports.isStringLiteral = isStringLiteral;
+var isNumberLiteral = isTypeOf("NumberLiteral");
+exports.isNumberLiteral = isNumberLiteral;
+var isLongNumberLiteral = isTypeOf("LongNumberLiteral");
+exports.isLongNumberLiteral = isLongNumberLiteral;
+var isFloatLiteral = isTypeOf("FloatLiteral");
+exports.isFloatLiteral = isFloatLiteral;
+var isElem = isTypeOf("Elem");
+exports.isElem = isElem;
+var isIndexInFuncSection = isTypeOf("IndexInFuncSection");
+exports.isIndexInFuncSection = isIndexInFuncSection;
+var isValtypeLiteral = isTypeOf("ValtypeLiteral");
+exports.isValtypeLiteral = isValtypeLiteral;
+var isTypeInstruction = isTypeOf("TypeInstruction");
+exports.isTypeInstruction = isTypeInstruction;
+var isStart = isTypeOf("Start");
+exports.isStart = isStart;
+var isGlobalType = isTypeOf("GlobalType");
+exports.isGlobalType = isGlobalType;
+var isLeadingComment = isTypeOf("LeadingComment");
+exports.isLeadingComment = isLeadingComment;
+var isBlockComment = isTypeOf("BlockComment");
+exports.isBlockComment = isBlockComment;
+var isData = isTypeOf("Data");
+exports.isData = isData;
+var isGlobal = isTypeOf("Global");
+exports.isGlobal = isGlobal;
+var isTable = isTypeOf("Table");
+exports.isTable = isTable;
+var isMemory = isTypeOf("Memory");
+exports.isMemory = isMemory;
+var isFuncImportDescr = isTypeOf("FuncImportDescr");
+exports.isFuncImportDescr = isFuncImportDescr;
+var isModuleImport = isTypeOf("ModuleImport");
+exports.isModuleImport = isModuleImport;
+var isModuleExportDescr = isTypeOf("ModuleExportDescr");
+exports.isModuleExportDescr = isModuleExportDescr;
+var isModuleExport = isTypeOf("ModuleExport");
+exports.isModuleExport = isModuleExport;
+var isLimit = isTypeOf("Limit");
+exports.isLimit = isLimit;
+var isSignature = isTypeOf("Signature");
+exports.isSignature = isSignature;
+var isProgram = isTypeOf("Program");
+exports.isProgram = isProgram;
+var isIdentifier = isTypeOf("Identifier");
+exports.isIdentifier = isIdentifier;
+var isBlockInstruction = isTypeOf("BlockInstruction");
+exports.isBlockInstruction = isBlockInstruction;
+var isCallInstruction = isTypeOf("CallInstruction");
+exports.isCallInstruction = isCallInstruction;
+var isCallIndirectInstruction = isTypeOf("CallIndirectInstruction");
+exports.isCallIndirectInstruction = isCallIndirectInstruction;
+var isByteArray = isTypeOf("ByteArray");
+exports.isByteArray = isByteArray;
+var isFunc = isTypeOf("Func");
+exports.isFunc = isFunc;
+var isInternalBrUnless = isTypeOf("InternalBrUnless");
+exports.isInternalBrUnless = isInternalBrUnless;
+var isInternalGoto = isTypeOf("InternalGoto");
+exports.isInternalGoto = isInternalGoto;
+var isInternalCallExtern = isTypeOf("InternalCallExtern");
+exports.isInternalCallExtern = isInternalCallExtern;
+var isInternalEndAndReturn = isTypeOf("InternalEndAndReturn");
+exports.isInternalEndAndReturn = isInternalEndAndReturn;
+
+var isNode = function isNode(node) {
+  return isModule(node) || isModuleMetadata(node) || isModuleNameMetadata(node) || isFunctionNameMetadata(node) || isLocalNameMetadata(node) || isBinaryModule(node) || isQuoteModule(node) || isSectionMetadata(node) || isProducersSectionMetadata(node) || isProducerMetadata(node) || isProducerMetadataVersionedName(node) || isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isElem(node) || isIndexInFuncSection(node) || isValtypeLiteral(node) || isTypeInstruction(node) || isStart(node) || isGlobalType(node) || isLeadingComment(node) || isBlockComment(node) || isData(node) || isGlobal(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node) || isModuleImport(node) || isModuleExportDescr(node) || isModuleExport(node) || isLimit(node) || isSignature(node) || isProgram(node) || isIdentifier(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node) || isByteArray(node) || isFunc(node) || isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+
+exports.isNode = isNode;
+
+var isBlock = function isBlock(node) {
+  return isLoopInstruction(node) || isBlockInstruction(node) || isFunc(node);
+};
+
+exports.isBlock = isBlock;
+
+var isInstruction = function isInstruction(node) {
+  return isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isTypeInstruction(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node);
+};
+
+exports.isInstruction = isInstruction;
+
+var isExpression = function isExpression(node) {
+  return isInstr(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isValtypeLiteral(node) || isIdentifier(node);
+};
+
+exports.isExpression = isExpression;
+
+var isNumericLiteral = function isNumericLiteral(node) {
+  return isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node);
+};
+
+exports.isNumericLiteral = isNumericLiteral;
+
+var isImportDescr = function isImportDescr(node) {
+  return isGlobalType(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node);
+};
+
+exports.isImportDescr = isImportDescr;
+
+var isIntrinsic = function isIntrinsic(node) {
+  return isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+
+exports.isIntrinsic = isIntrinsic;
+var assertModule = assertTypeOf("Module");
+exports.assertModule = assertModule;
+var assertModuleMetadata = assertTypeOf("ModuleMetadata");
+exports.assertModuleMetadata = assertModuleMetadata;
+var assertModuleNameMetadata = assertTypeOf("ModuleNameMetadata");
+exports.assertModuleNameMetadata = assertModuleNameMetadata;
+var assertFunctionNameMetadata = assertTypeOf("FunctionNameMetadata");
+exports.assertFunctionNameMetadata = assertFunctionNameMetadata;
+var assertLocalNameMetadata = assertTypeOf("LocalNameMetadata");
+exports.assertLocalNameMetadata = assertLocalNameMetadata;
+var assertBinaryModule = assertTypeOf("BinaryModule");
+exports.assertBinaryModule = assertBinaryModule;
+var assertQuoteModule = assertTypeOf("QuoteModule");
+exports.assertQuoteModule = assertQuoteModule;
+var assertSectionMetadata = assertTypeOf("SectionMetadata");
+exports.assertSectionMetadata = assertSectionMetadata;
+var assertProducersSectionMetadata = assertTypeOf("ProducersSectionMetadata");
+exports.assertProducersSectionMetadata = assertProducersSectionMetadata;
+var assertProducerMetadata = assertTypeOf("ProducerMetadata");
+exports.assertProducerMetadata = assertProducerMetadata;
+var assertProducerMetadataVersionedName = assertTypeOf("ProducerMetadataVersionedName");
+exports.assertProducerMetadataVersionedName = assertProducerMetadataVersionedName;
+var assertLoopInstruction = assertTypeOf("LoopInstruction");
+exports.assertLoopInstruction = assertLoopInstruction;
+var assertInstr = assertTypeOf("Instr");
+exports.assertInstr = assertInstr;
+var assertIfInstruction = assertTypeOf("IfInstruction");
+exports.assertIfInstruction = assertIfInstruction;
+var assertStringLiteral = assertTypeOf("StringLiteral");
+exports.assertStringLiteral = assertStringLiteral;
+var assertNumberLiteral = assertTypeOf("NumberLiteral");
+exports.assertNumberLiteral = assertNumberLiteral;
+var assertLongNumberLiteral = assertTypeOf("LongNumberLiteral");
+exports.assertLongNumberLiteral = assertLongNumberLiteral;
+var assertFloatLiteral = assertTypeOf("FloatLiteral");
+exports.assertFloatLiteral = assertFloatLiteral;
+var assertElem = assertTypeOf("Elem");
+exports.assertElem = assertElem;
+var assertIndexInFuncSection = assertTypeOf("IndexInFuncSection");
+exports.assertIndexInFuncSection = assertIndexInFuncSection;
+var assertValtypeLiteral = assertTypeOf("ValtypeLiteral");
+exports.assertValtypeLiteral = assertValtypeLiteral;
+var assertTypeInstruction = assertTypeOf("TypeInstruction");
+exports.assertTypeInstruction = assertTypeInstruction;
+var assertStart = assertTypeOf("Start");
+exports.assertStart = assertStart;
+var assertGlobalType = assertTypeOf("GlobalType");
+exports.assertGlobalType = assertGlobalType;
+var assertLeadingComment = assertTypeOf("LeadingComment");
+exports.assertLeadingComment = assertLeadingComment;
+var assertBlockComment = assertTypeOf("BlockComment");
+exports.assertBlockComment = assertBlockComment;
+var assertData = assertTypeOf("Data");
+exports.assertData = assertData;
+var assertGlobal = assertTypeOf("Global");
+exports.assertGlobal = assertGlobal;
+var assertTable = assertTypeOf("Table");
+exports.assertTable = assertTable;
+var assertMemory = assertTypeOf("Memory");
+exports.assertMemory = assertMemory;
+var assertFuncImportDescr = assertTypeOf("FuncImportDescr");
+exports.assertFuncImportDescr = assertFuncImportDescr;
+var assertModuleImport = assertTypeOf("ModuleImport");
+exports.assertModuleImport = assertModuleImport;
+var assertModuleExportDescr = assertTypeOf("ModuleExportDescr");
+exports.assertModuleExportDescr = assertModuleExportDescr;
+var assertModuleExport = assertTypeOf("ModuleExport");
+exports.assertModuleExport = assertModuleExport;
+var assertLimit = assertTypeOf("Limit");
+exports.assertLimit = assertLimit;
+var assertSignature = assertTypeOf("Signature");
+exports.assertSignature = assertSignature;
+var assertProgram = assertTypeOf("Program");
+exports.assertProgram = assertProgram;
+var assertIdentifier = assertTypeOf("Identifier");
+exports.assertIdentifier = assertIdentifier;
+var assertBlockInstruction = assertTypeOf("BlockInstruction");
+exports.assertBlockInstruction = assertBlockInstruction;
+var assertCallInstruction = assertTypeOf("CallInstruction");
+exports.assertCallInstruction = assertCallInstruction;
+var assertCallIndirectInstruction = assertTypeOf("CallIndirectInstruction");
+exports.assertCallIndirectInstruction = assertCallIndirectInstruction;
+var assertByteArray = assertTypeOf("ByteArray");
+exports.assertByteArray = assertByteArray;
+var assertFunc = assertTypeOf("Func");
+exports.assertFunc = assertFunc;
+var assertInternalBrUnless = assertTypeOf("InternalBrUnless");
+exports.assertInternalBrUnless = assertInternalBrUnless;
+var assertInternalGoto = assertTypeOf("InternalGoto");
+exports.assertInternalGoto = assertInternalGoto;
+var assertInternalCallExtern = assertTypeOf("InternalCallExtern");
+exports.assertInternalCallExtern = assertInternalCallExtern;
+var assertInternalEndAndReturn = assertTypeOf("InternalEndAndReturn");
+exports.assertInternalEndAndReturn = assertInternalEndAndReturn;
+var unionTypesMap = {
+  Module: ["Node"],
+  ModuleMetadata: ["Node"],
+  ModuleNameMetadata: ["Node"],
+  FunctionNameMetadata: ["Node"],
+  LocalNameMetadata: ["Node"],
+  BinaryModule: ["Node"],
+  QuoteModule: ["Node"],
+  SectionMetadata: ["Node"],
+  ProducersSectionMetadata: ["Node"],
+  ProducerMetadata: ["Node"],
+  ProducerMetadataVersionedName: ["Node"],
+  LoopInstruction: ["Node", "Block", "Instruction"],
+  Instr: ["Node", "Expression", "Instruction"],
+  IfInstruction: ["Node", "Instruction"],
+  StringLiteral: ["Node", "Expression"],
+  NumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  LongNumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  FloatLiteral: ["Node", "NumericLiteral", "Expression"],
+  Elem: ["Node"],
+  IndexInFuncSection: ["Node"],
+  ValtypeLiteral: ["Node", "Expression"],
+  TypeInstruction: ["Node", "Instruction"],
+  Start: ["Node"],
+  GlobalType: ["Node", "ImportDescr"],
+  LeadingComment: ["Node"],
+  BlockComment: ["Node"],
+  Data: ["Node"],
+  Global: ["Node"],
+  Table: ["Node", "ImportDescr"],
+  Memory: ["Node", "ImportDescr"],
+  FuncImportDescr: ["Node", "ImportDescr"],
+  ModuleImport: ["Node"],
+  ModuleExportDescr: ["Node"],
+  ModuleExport: ["Node"],
+  Limit: ["Node"],
+  Signature: ["Node"],
+  Program: ["Node"],
+  Identifier: ["Node", "Expression"],
+  BlockInstruction: ["Node", "Block", "Instruction"],
+  CallInstruction: ["Node", "Instruction"],
+  CallIndirectInstruction: ["Node", "Instruction"],
+  ByteArray: ["Node"],
+  Func: ["Node", "Block"],
+  InternalBrUnless: ["Node", "Intrinsic"],
+  InternalGoto: ["Node", "Intrinsic"],
+  InternalCallExtern: ["Node", "Intrinsic"],
+  InternalEndAndReturn: ["Node", "Intrinsic"]
+};
+exports.unionTypesMap = unionTypesMap;
+var nodeAndUnionTypes = ["Module", "ModuleMetadata", "ModuleNameMetadata", "FunctionNameMetadata", "LocalNameMetadata", "BinaryModule", "QuoteModule", "SectionMetadata", "ProducersSectionMetadata", "ProducerMetadata", "ProducerMetadataVersionedName", "LoopInstruction", "Instr", "IfInstruction", "StringLiteral", "NumberLiteral", "LongNumberLiteral", "FloatLiteral", "Elem", "IndexInFuncSection", "ValtypeLiteral", "TypeInstruction", "Start", "GlobalType", "LeadingComment", "BlockComment", "Data", "Global", "Table", "Memory", "FuncImportDescr", "ModuleImport", "ModuleExportDescr", "ModuleExport", "Limit", "Signature", "Program", "Identifier", "BlockInstruction", "CallInstruction", "CallIndirectInstruction", "ByteArray", "Func", "InternalBrUnless", "InternalGoto", "InternalCallExtern", "InternalEndAndReturn", "Node", "Block", "Instruction", "Expression", "NumericLiteral", "ImportDescr", "Intrinsic"];
+exports.nodeAndUnionTypes = nodeAndUnionTypes;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/signatures.js b/node_modules/@webassemblyjs/ast/lib/signatures.js
new file mode 100644
index 00000000..0efc766a
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/signatures.js
@@ -0,0 +1,207 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.signatures = void 0;
+
+function sign(input, output) {
+  return [input, output];
+}
+
+var u32 = "u32";
+var i32 = "i32";
+var i64 = "i64";
+var f32 = "f32";
+var f64 = "f64";
+
+var vector = function vector(t) {
+  var vecType = [t]; // $FlowIgnore
+
+  vecType.vector = true;
+  return vecType;
+};
+
+var controlInstructions = {
+  unreachable: sign([], []),
+  nop: sign([], []),
+  // block ?
+  // loop ?
+  // if ?
+  // if else ?
+  br: sign([u32], []),
+  br_if: sign([u32], []),
+  br_table: sign(vector(u32), []),
+  return: sign([], []),
+  call: sign([u32], []),
+  call_indirect: sign([u32], [])
+};
+var parametricInstructions = {
+  drop: sign([], []),
+  select: sign([], [])
+};
+var variableInstructions = {
+  get_local: sign([u32], []),
+  set_local: sign([u32], []),
+  tee_local: sign([u32], []),
+  get_global: sign([u32], []),
+  set_global: sign([u32], [])
+};
+var memoryInstructions = {
+  "i32.load": sign([u32, u32], [i32]),
+  "i64.load": sign([u32, u32], []),
+  "f32.load": sign([u32, u32], []),
+  "f64.load": sign([u32, u32], []),
+  "i32.load8_s": sign([u32, u32], [i32]),
+  "i32.load8_u": sign([u32, u32], [i32]),
+  "i32.load16_s": sign([u32, u32], [i32]),
+  "i32.load16_u": sign([u32, u32], [i32]),
+  "i64.load8_s": sign([u32, u32], [i64]),
+  "i64.load8_u": sign([u32, u32], [i64]),
+  "i64.load16_s": sign([u32, u32], [i64]),
+  "i64.load16_u": sign([u32, u32], [i64]),
+  "i64.load32_s": sign([u32, u32], [i64]),
+  "i64.load32_u": sign([u32, u32], [i64]),
+  "i32.store": sign([u32, u32], []),
+  "i64.store": sign([u32, u32], []),
+  "f32.store": sign([u32, u32], []),
+  "f64.store": sign([u32, u32], []),
+  "i32.store8": sign([u32, u32], []),
+  "i32.store16": sign([u32, u32], []),
+  "i64.store8": sign([u32, u32], []),
+  "i64.store16": sign([u32, u32], []),
+  "i64.store32": sign([u32, u32], []),
+  current_memory: sign([], []),
+  grow_memory: sign([], [])
+};
+var numericInstructions = {
+  "i32.const": sign([i32], [i32]),
+  "i64.const": sign([i64], [i64]),
+  "f32.const": sign([f32], [f32]),
+  "f64.const": sign([f64], [f64]),
+  "i32.eqz": sign([i32], [i32]),
+  "i32.eq": sign([i32, i32], [i32]),
+  "i32.ne": sign([i32, i32], [i32]),
+  "i32.lt_s": sign([i32, i32], [i32]),
+  "i32.lt_u": sign([i32, i32], [i32]),
+  "i32.gt_s": sign([i32, i32], [i32]),
+  "i32.gt_u": sign([i32, i32], [i32]),
+  "i32.le_s": sign([i32, i32], [i32]),
+  "i32.le_u": sign([i32, i32], [i32]),
+  "i32.ge_s": sign([i32, i32], [i32]),
+  "i32.ge_u": sign([i32, i32], [i32]),
+  "i64.eqz": sign([i64], [i64]),
+  "i64.eq": sign([i64, i64], [i32]),
+  "i64.ne": sign([i64, i64], [i32]),
+  "i64.lt_s": sign([i64, i64], [i32]),
+  "i64.lt_u": sign([i64, i64], [i32]),
+  "i64.gt_s": sign([i64, i64], [i32]),
+  "i64.gt_u": sign([i64, i64], [i32]),
+  "i64.le_s": sign([i64, i64], [i32]),
+  "i64.le_u": sign([i64, i64], [i32]),
+  "i64.ge_s": sign([i64, i64], [i32]),
+  "i64.ge_u": sign([i64, i64], [i32]),
+  "f32.eq": sign([f32, f32], [i32]),
+  "f32.ne": sign([f32, f32], [i32]),
+  "f32.lt": sign([f32, f32], [i32]),
+  "f32.gt": sign([f32, f32], [i32]),
+  "f32.le": sign([f32, f32], [i32]),
+  "f32.ge": sign([f32, f32], [i32]),
+  "f64.eq": sign([f64, f64], [i32]),
+  "f64.ne": sign([f64, f64], [i32]),
+  "f64.lt": sign([f64, f64], [i32]),
+  "f64.gt": sign([f64, f64], [i32]),
+  "f64.le": sign([f64, f64], [i32]),
+  "f64.ge": sign([f64, f64], [i32]),
+  "i32.clz": sign([i32], [i32]),
+  "i32.ctz": sign([i32], [i32]),
+  "i32.popcnt": sign([i32], [i32]),
+  "i32.add": sign([i32, i32], [i32]),
+  "i32.sub": sign([i32, i32], [i32]),
+  "i32.mul": sign([i32, i32], [i32]),
+  "i32.div_s": sign([i32, i32], [i32]),
+  "i32.div_u": sign([i32, i32], [i32]),
+  "i32.rem_s": sign([i32, i32], [i32]),
+  "i32.rem_u": sign([i32, i32], [i32]),
+  "i32.and": sign([i32, i32], [i32]),
+  "i32.or": sign([i32, i32], [i32]),
+  "i32.xor": sign([i32, i32], [i32]),
+  "i32.shl": sign([i32, i32], [i32]),
+  "i32.shr_s": sign([i32, i32], [i32]),
+  "i32.shr_u": sign([i32, i32], [i32]),
+  "i32.rotl": sign([i32, i32], [i32]),
+  "i32.rotr": sign([i32, i32], [i32]),
+  "i64.clz": sign([i64], [i64]),
+  "i64.ctz": sign([i64], [i64]),
+  "i64.popcnt": sign([i64], [i64]),
+  "i64.add": sign([i64, i64], [i64]),
+  "i64.sub": sign([i64, i64], [i64]),
+  "i64.mul": sign([i64, i64], [i64]),
+  "i64.div_s": sign([i64, i64], [i64]),
+  "i64.div_u": sign([i64, i64], [i64]),
+  "i64.rem_s": sign([i64, i64], [i64]),
+  "i64.rem_u": sign([i64, i64], [i64]),
+  "i64.and": sign([i64, i64], [i64]),
+  "i64.or": sign([i64, i64], [i64]),
+  "i64.xor": sign([i64, i64], [i64]),
+  "i64.shl": sign([i64, i64], [i64]),
+  "i64.shr_s": sign([i64, i64], [i64]),
+  "i64.shr_u": sign([i64, i64], [i64]),
+  "i64.rotl": sign([i64, i64], [i64]),
+  "i64.rotr": sign([i64, i64], [i64]),
+  "f32.abs": sign([f32], [f32]),
+  "f32.neg": sign([f32], [f32]),
+  "f32.ceil": sign([f32], [f32]),
+  "f32.floor": sign([f32], [f32]),
+  "f32.trunc": sign([f32], [f32]),
+  "f32.nearest": sign([f32], [f32]),
+  "f32.sqrt": sign([f32], [f32]),
+  "f32.add": sign([f32, f32], [f32]),
+  "f32.sub": sign([f32, f32], [f32]),
+  "f32.mul": sign([f32, f32], [f32]),
+  "f32.div": sign([f32, f32], [f32]),
+  "f32.min": sign([f32, f32], [f32]),
+  "f32.max": sign([f32, f32], [f32]),
+  "f32.copysign": sign([f32, f32], [f32]),
+  "f64.abs": sign([f64], [f64]),
+  "f64.neg": sign([f64], [f64]),
+  "f64.ceil": sign([f64], [f64]),
+  "f64.floor": sign([f64], [f64]),
+  "f64.trunc": sign([f64], [f64]),
+  "f64.nearest": sign([f64], [f64]),
+  "f64.sqrt": sign([f64], [f64]),
+  "f64.add": sign([f64, f64], [f64]),
+  "f64.sub": sign([f64, f64], [f64]),
+  "f64.mul": sign([f64, f64], [f64]),
+  "f64.div": sign([f64, f64], [f64]),
+  "f64.min": sign([f64, f64], [f64]),
+  "f64.max": sign([f64, f64], [f64]),
+  "f64.copysign": sign([f64, f64], [f64]),
+  "i32.wrap/i64": sign([i64], [i32]),
+  "i32.trunc_s/f32": sign([f32], [i32]),
+  "i32.trunc_u/f32": sign([f32], [i32]),
+  "i32.trunc_s/f64": sign([f32], [i32]),
+  "i32.trunc_u/f64": sign([f64], [i32]),
+  "i64.extend_s/i32": sign([i32], [i64]),
+  "i64.extend_u/i32": sign([i32], [i64]),
+  "i64.trunc_s/f32": sign([f32], [i64]),
+  "i64.trunc_u/f32": sign([f32], [i64]),
+  "i64.trunc_s/f64": sign([f64], [i64]),
+  "i64.trunc_u/f64": sign([f64], [i64]),
+  "f32.convert_s/i32": sign([i32], [f32]),
+  "f32.convert_u/i32": sign([i32], [f32]),
+  "f32.convert_s/i64": sign([i64], [f32]),
+  "f32.convert_u/i64": sign([i64], [f32]),
+  "f32.demote/f64": sign([f64], [f32]),
+  "f64.convert_s/i32": sign([i32], [f64]),
+  "f64.convert_u/i32": sign([i32], [f64]),
+  "f64.convert_s/i64": sign([i64], [f64]),
+  "f64.convert_u/i64": sign([i64], [f64]),
+  "f64.promote/f32": sign([f32], [f64]),
+  "i32.reinterpret/f32": sign([f32], [i32]),
+  "i64.reinterpret/f64": sign([f64], [i64]),
+  "f32.reinterpret/i32": sign([i32], [f32]),
+  "f64.reinterpret/i64": sign([i64], [f64])
+};
+var signatures = Object.assign({}, controlInstructions, parametricInstructions, variableInstructions, memoryInstructions, numericInstructions);
+exports.signatures = signatures;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js b/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js
new file mode 100644
index 00000000..3258f84d
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js
@@ -0,0 +1,83 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.transform = transform;
+
+var t = require("../../index"); // func and call_indirect instructions can either define a signature inline, or
+// reference a signature, e.g.
+//
+// ;; inline signature
+// (func (result i64)
+//   (i64.const 2)
+// )
+// ;; signature reference
+// (type (func (result i64)))
+// (func (type 0)
+//   (i64.const 2))
+// )
+//
+// this AST transform denormalises the type references, making all signatures within the module
+// inline.
+
+
+function transform(ast) {
+  var typeInstructions = [];
+  t.traverse(ast, {
+    TypeInstruction: function TypeInstruction(_ref) {
+      var node = _ref.node;
+      typeInstructions.push(node);
+    }
+  });
+
+  if (!typeInstructions.length) {
+    return;
+  }
+
+  function denormalizeSignature(signature) {
+    // signature referenced by identifier
+    if (signature.type === "Identifier") {
+      var identifier = signature;
+      var typeInstruction = typeInstructions.find(function (t) {
+        return t.id.type === identifier.type && t.id.value === identifier.value;
+      });
+
+      if (!typeInstruction) {
+        throw new Error("A type instruction reference was not found ".concat(JSON.stringify(signature)));
+      }
+
+      return typeInstruction.functype;
+    } // signature referenced by index
+
+
+    if (signature.type === "NumberLiteral") {
+      var signatureRef = signature;
+      var _typeInstruction = typeInstructions[signatureRef.value];
+      return _typeInstruction.functype;
+    }
+
+    return signature;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (_ref2) {
+      var node = _ref2.node;
+      node.signature = denormalizeSignature(node.signature);
+    }),
+    CallIndirectInstruction: function CallIndirectInstruction(_ref3) {
+      var node = _ref3.node;
+      node.signature = denormalizeSignature(node.signature);
+    }
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js b/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js
new file mode 100644
index 00000000..33130bf2
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js
@@ -0,0 +1,225 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.transform = transform;
+
+var _index = require("../../index");
+
+var _helperModuleContext = require("@webassemblyjs/helper-module-context");
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+// FIXME(sven): do the same with all block instructions, must be more generic here
+function newUnexpectedFunction(i) {
+  return new Error("unknown function at offset: " + i);
+}
+
+function transform(ast) {
+  var module;
+  (0, _index.traverse)(ast, {
+    Module: function (_Module) {
+      function Module(_x) {
+        return _Module.apply(this, arguments);
+      }
+
+      Module.toString = function () {
+        return _Module.toString();
+      };
+
+      return Module;
+    }(function (path) {
+      module = path.node;
+    })
+  });
+  var moduleContext = (0, _helperModuleContext.moduleContextFromModuleAST)(module); // Transform the actual instruction in function bodies
+
+  (0, _index.traverse)(ast, {
+    Func: function (_Func) {
+      function Func(_x2) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (path) {
+      transformFuncPath(path, moduleContext);
+    }),
+    Start: function (_Start) {
+      function Start(_x3) {
+        return _Start.apply(this, arguments);
+      }
+
+      Start.toString = function () {
+        return _Start.toString();
+      };
+
+      return Start;
+    }(function (path) {
+      var index = path.node.index;
+
+      if ((0, _index.isIdentifier)(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        path.node.index = (0, _index.numberLiteralFromRaw)(offsetInModule);
+      }
+    })
+  });
+}
+
+function transformFuncPath(funcPath, moduleContext) {
+  var funcNode = funcPath.node;
+  var signature = funcNode.signature;
+
+  if (signature.type !== "Signature") {
+    throw new Error("Function signatures must be denormalised before execution");
+  }
+
+  var params = signature.params; // Add func locals in the context
+
+  params.forEach(function (p) {
+    return moduleContext.addLocal(p.valtype);
+  });
+  (0, _index.traverse)(funcNode, {
+    Instr: function (_Instr) {
+      function Instr(_x4) {
+        return _Instr.apply(this, arguments);
+      }
+
+      Instr.toString = function () {
+        return _Instr.toString();
+      };
+
+      return Instr;
+    }(function (instrPath) {
+      var instrNode = instrPath.node;
+      /**
+       * Local access
+       */
+
+      if (instrNode.id === "get_local" || instrNode.id === "set_local" || instrNode.id === "tee_local") {
+        var _instrNode$args = _slicedToArray(instrNode.args, 1),
+            firstArg = _instrNode$args[0];
+
+        if (firstArg.type === "Identifier") {
+          var offsetInParams = params.findIndex(function (_ref) {
+            var id = _ref.id;
+            return id === firstArg.value;
+          });
+
+          if (offsetInParams === -1) {
+            throw new Error("".concat(firstArg.value, " not found in ").concat(instrNode.id, ": not declared in func params"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = (0, _index.numberLiteralFromRaw)(offsetInParams);
+        }
+      }
+      /**
+       * Global access
+       */
+
+
+      if (instrNode.id === "get_global" || instrNode.id === "set_global") {
+        var _instrNode$args2 = _slicedToArray(instrNode.args, 1),
+            _firstArg = _instrNode$args2[0];
+
+        if ((0, _index.isIdentifier)(_firstArg) === true) {
+          var globalOffset = moduleContext.getGlobalOffsetByIdentifier( // $FlowIgnore: reference?
+          _firstArg.value);
+
+          if (typeof globalOffset === "undefined") {
+            // $FlowIgnore: reference?
+            throw new Error("global ".concat(_firstArg.value, " not found in module"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = (0, _index.numberLiteralFromRaw)(globalOffset);
+        }
+      }
+      /**
+       * Labels lookup
+       */
+
+
+      if (instrNode.id === "br") {
+        var _instrNode$args3 = _slicedToArray(instrNode.args, 1),
+            _firstArg2 = _instrNode$args3[0];
+
+        if ((0, _index.isIdentifier)(_firstArg2) === true) {
+          // if the labels is not found it is going to be replaced with -1
+          // which is invalid.
+          var relativeBlockCount = -1; // $FlowIgnore: reference?
+
+          instrPath.findParent(function (_ref2) {
+            var node = _ref2.node;
+
+            if ((0, _index.isBlock)(node)) {
+              relativeBlockCount++; // $FlowIgnore: reference?
+
+              var name = node.label || node.name;
+
+              if (_typeof(name) === "object") {
+                // $FlowIgnore: isIdentifier ensures that
+                if (name.value === _firstArg2.value) {
+                  // Found it
+                  return false;
+                }
+              }
+            }
+
+            if ((0, _index.isFunc)(node)) {
+              return false;
+            }
+          }); // Replace the Identifer node by our new NumberLiteral node
+
+          instrNode.args[0] = (0, _index.numberLiteralFromRaw)(relativeBlockCount);
+        }
+      }
+    }),
+
+    /**
+     * Func lookup
+     */
+    CallInstruction: function (_CallInstruction) {
+      function CallInstruction(_x5) {
+        return _CallInstruction.apply(this, arguments);
+      }
+
+      CallInstruction.toString = function () {
+        return _CallInstruction.toString();
+      };
+
+      return CallInstruction;
+    }(function (_ref3) {
+      var node = _ref3.node;
+      var index = node.index;
+
+      if ((0, _index.isIdentifier)(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        node.index = (0, _index.numberLiteralFromRaw)(offsetInModule);
+      }
+    })
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/traverse.js b/node_modules/@webassemblyjs/ast/lib/traverse.js
new file mode 100644
index 00000000..86803cec
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/traverse.js
@@ -0,0 +1,105 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.traverse = traverse;
+
+var _nodePath = require("./node-path");
+
+var _nodes = require("./nodes");
+
+// recursively walks the AST starting at the given node. The callback is invoked for
+// and object that has a 'type' property.
+function walk(context, callback) {
+  var stop = false;
+
+  function innerWalk(context, callback) {
+    if (stop) {
+      return;
+    }
+
+    var node = context.node;
+
+    if (node === undefined) {
+      console.warn("traversing with an empty context");
+      return;
+    }
+
+    if (node._deleted === true) {
+      return;
+    }
+
+    var path = (0, _nodePath.createPath)(context);
+    callback(node.type, path);
+
+    if (path.shouldStop) {
+      stop = true;
+      return;
+    }
+
+    Object.keys(node).forEach(function (prop) {
+      var value = node[prop];
+
+      if (value === null || value === undefined) {
+        return;
+      }
+
+      var valueAsArray = Array.isArray(value) ? value : [value];
+      valueAsArray.forEach(function (childNode) {
+        if (typeof childNode.type === "string") {
+          var childContext = {
+            node: childNode,
+            parentKey: prop,
+            parentPath: path,
+            shouldStop: false,
+            inList: Array.isArray(value)
+          };
+          innerWalk(childContext, callback);
+        }
+      });
+    });
+  }
+
+  innerWalk(context, callback);
+}
+
+var noop = function noop() {};
+
+function traverse(node, visitors) {
+  var before = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop;
+  var after = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : noop;
+  Object.keys(visitors).forEach(function (visitor) {
+    if (!_nodes.nodeAndUnionTypes.includes(visitor)) {
+      throw new Error("Unexpected visitor ".concat(visitor));
+    }
+  });
+  var context = {
+    node: node,
+    inList: false,
+    shouldStop: false,
+    parentPath: null,
+    parentKey: null
+  };
+  walk(context, function (type, path) {
+    if (typeof visitors[type] === "function") {
+      before(type, path);
+      visitors[type](path);
+      after(type, path);
+    }
+
+    var unionTypes = _nodes.unionTypesMap[type];
+
+    if (!unionTypes) {
+      throw new Error("Unexpected node type ".concat(type));
+    }
+
+    unionTypes.forEach(function (unionType) {
+      if (typeof visitors[unionType] === "function") {
+        before(unionType, path);
+        visitors[unionType](path);
+        after(unionType, path);
+      }
+    });
+  });
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/lib/types/basic.js b/node_modules/@webassemblyjs/ast/lib/types/basic.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/lib/types/nodes.js b/node_modules/@webassemblyjs/ast/lib/types/nodes.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/lib/types/traverse.js b/node_modules/@webassemblyjs/ast/lib/types/traverse.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/ast/lib/utils.js b/node_modules/@webassemblyjs/ast/lib/utils.js
new file mode 100644
index 00000000..d8330fc8
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/utils.js
@@ -0,0 +1,306 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isAnonymous = isAnonymous;
+exports.getSectionMetadata = getSectionMetadata;
+exports.getSectionMetadatas = getSectionMetadatas;
+exports.sortSectionMetadata = sortSectionMetadata;
+exports.orderedInsertNode = orderedInsertNode;
+exports.assertHasLoc = assertHasLoc;
+exports.getEndOfSection = getEndOfSection;
+exports.shiftLoc = shiftLoc;
+exports.shiftSection = shiftSection;
+exports.signatureForOpcode = signatureForOpcode;
+exports.getUniqueNameGenerator = getUniqueNameGenerator;
+exports.getStartByteOffset = getStartByteOffset;
+exports.getEndByteOffset = getEndByteOffset;
+exports.getFunctionBeginingByteOffset = getFunctionBeginingByteOffset;
+exports.getEndBlockByteOffset = getEndBlockByteOffset;
+exports.getStartBlockByteOffset = getStartBlockByteOffset;
+
+var _signatures = require("./signatures");
+
+var _traverse = require("./traverse");
+
+var _helperWasmBytecode = _interopRequireWildcard(require("@webassemblyjs/helper-wasm-bytecode"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function isAnonymous(ident) {
+  return ident.raw === "";
+}
+
+function getSectionMetadata(ast, name) {
+  var section;
+  (0, _traverse.traverse)(ast, {
+    SectionMetadata: function (_SectionMetadata) {
+      function SectionMetadata(_x) {
+        return _SectionMetadata.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref) {
+      var node = _ref.node;
+
+      if (node.section === name) {
+        section = node;
+      }
+    })
+  });
+  return section;
+}
+
+function getSectionMetadatas(ast, name) {
+  var sections = [];
+  (0, _traverse.traverse)(ast, {
+    SectionMetadata: function (_SectionMetadata2) {
+      function SectionMetadata(_x2) {
+        return _SectionMetadata2.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata2.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref2) {
+      var node = _ref2.node;
+
+      if (node.section === name) {
+        sections.push(node);
+      }
+    })
+  });
+  return sections;
+}
+
+function sortSectionMetadata(m) {
+  if (m.metadata == null) {
+    console.warn("sortSectionMetadata: no metadata to sort");
+    return;
+  } // $FlowIgnore
+
+
+  m.metadata.sections.sort(function (a, b) {
+    var aId = _helperWasmBytecode.default.sections[a.section];
+    var bId = _helperWasmBytecode.default.sections[b.section];
+
+    if (typeof aId !== "number" || typeof bId !== "number") {
+      throw new Error("Section id not found");
+    }
+
+    return aId - bId;
+  });
+}
+
+function orderedInsertNode(m, n) {
+  assertHasLoc(n);
+  var didInsert = false;
+
+  if (n.type === "ModuleExport") {
+    m.fields.push(n);
+    return;
+  }
+
+  m.fields = m.fields.reduce(function (acc, field) {
+    var fieldEndCol = Infinity;
+
+    if (field.loc != null) {
+      // $FlowIgnore
+      fieldEndCol = field.loc.end.column;
+    } // $FlowIgnore: assertHasLoc ensures that
+
+
+    if (didInsert === false && n.loc.start.column < fieldEndCol) {
+      didInsert = true;
+      acc.push(n);
+    }
+
+    acc.push(field);
+    return acc;
+  }, []); // Handles empty modules or n is the last element
+
+  if (didInsert === false) {
+    m.fields.push(n);
+  }
+}
+
+function assertHasLoc(n) {
+  if (n.loc == null || n.loc.start == null || n.loc.end == null) {
+    throw new Error("Internal failure: node (".concat(JSON.stringify(n.type), ") has no location information"));
+  }
+}
+
+function getEndOfSection(s) {
+  assertHasLoc(s.size);
+  return s.startOffset + s.size.value + ( // $FlowIgnore
+  s.size.loc.end.column - s.size.loc.start.column);
+}
+
+function shiftLoc(node, delta) {
+  // $FlowIgnore
+  node.loc.start.column += delta; // $FlowIgnore
+
+  node.loc.end.column += delta;
+}
+
+function shiftSection(ast, node, delta) {
+  if (node.type !== "SectionMetadata") {
+    throw new Error("Can not shift node " + JSON.stringify(node.type));
+  }
+
+  node.startOffset += delta;
+
+  if (_typeof(node.size.loc) === "object") {
+    shiftLoc(node.size, delta);
+  } // Custom sections doesn't have vectorOfSize
+
+
+  if (_typeof(node.vectorOfSize) === "object" && _typeof(node.vectorOfSize.loc) === "object") {
+    shiftLoc(node.vectorOfSize, delta);
+  }
+
+  var sectionName = node.section; // shift node locations within that section
+
+  (0, _traverse.traverse)(ast, {
+    Node: function Node(_ref3) {
+      var node = _ref3.node;
+      var section = (0, _helperWasmBytecode.getSectionForNode)(node);
+
+      if (section === sectionName && _typeof(node.loc) === "object") {
+        shiftLoc(node, delta);
+      }
+    }
+  });
+}
+
+function signatureForOpcode(object, name) {
+  var opcodeName = name;
+
+  if (object !== undefined && object !== "") {
+    opcodeName = object + "." + name;
+  }
+
+  var sign = _signatures.signatures[opcodeName];
+
+  if (sign == undefined) {
+    // TODO: Uncomment this when br_table and others has been done
+    //throw new Error("Invalid opcode: "+opcodeName);
+    return [object, object];
+  }
+
+  return sign[0];
+}
+
+function getUniqueNameGenerator() {
+  var inc = {};
+  return function () {
+    var prefix = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
+
+    if (!(prefix in inc)) {
+      inc[prefix] = 0;
+    } else {
+      inc[prefix] = inc[prefix] + 1;
+    }
+
+    return prefix + "_" + inc[prefix];
+  };
+}
+
+function getStartByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.start === "undefined") {
+    throw new Error( // $FlowIgnore
+    "Can not get byte offset without loc informations, node: " + String(n.id));
+  }
+
+  return n.loc.start.column;
+}
+
+function getEndByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.end === "undefined") {
+    throw new Error("Can not get byte offset without loc informations, node: " + n.type);
+  }
+
+  return n.loc.end.column;
+}
+
+function getFunctionBeginingByteOffset(n) {
+  if (!(n.body.length > 0)) {
+    throw new Error('n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var _n$body = _slicedToArray(n.body, 1),
+      firstInstruction = _n$body[0];
+
+  return getStartByteOffset(firstInstruction);
+}
+
+function getEndBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var lastInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    lastInstruction = n.instr[n.instr.length - 1];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    lastInstruction = n.body[n.body.length - 1];
+  }
+
+  if (!(_typeof(lastInstruction) === "object")) {
+    throw new Error('typeof lastInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(lastInstruction);
+}
+
+function getStartBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var fistInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    var _n$instr = _slicedToArray(n.instr, 1);
+
+    fistInstruction = _n$instr[0];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    var _n$body2 = _slicedToArray(n.body, 1);
+
+    fistInstruction = _n$body2[0];
+  }
+
+  if (!(_typeof(fistInstruction) === "object")) {
+    throw new Error('typeof fistInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(fistInstruction);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ast/package.json b/node_modules/@webassemblyjs/ast/package.json
new file mode 100644
index 00000000..9b892362
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@webassemblyjs/ast",
+  "version": "1.9.0",
+  "description": "AST utils for webassemblyjs",
+  "keywords": [
+    "webassembly",
+    "javascript",
+    "ast"
+  ],
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/helper-module-context": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+    "@webassemblyjs/wast-parser": "1.9.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "@webassemblyjs/helper-test-framework": "1.9.0",
+    "array.prototype.flatmap": "^1.2.1",
+    "dump-exports": "^0.1.0",
+    "mamacro": "^0.0.7"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js b/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js
new file mode 100644
index 00000000..46178a9d
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js
@@ -0,0 +1,219 @@
+const definitions = require("../src/definitions");
+const flatMap = require("array.prototype.flatmap");
+const {
+  typeSignature,
+  iterateProps,
+  mapProps,
+  filterProps,
+  unique
+} = require("./util");
+
+const stdout = process.stdout;
+
+const jsTypes = ["string", "number", "boolean"];
+
+const quote = value => `"${value}"`;
+
+function params(fields) {
+  const optionalDefault = field => (field.default ? ` = ${field.default}` : "");
+  return mapProps(fields)
+    .map(field => `${typeSignature(field)}${optionalDefault(field)}`)
+    .join(",");
+}
+
+function assertParamType({ assertNodeType, array, name, type }) {
+  if (array) {
+    // TODO - assert contents of array?
+    return `assert(typeof ${name} === "object" && typeof ${name}.length !== "undefined")\n`;
+  } else {
+    if (jsTypes.includes(type)) {
+      return `assert(
+          typeof ${name} === "${type}",
+          "Argument ${name} must be of type ${type}, given: " + typeof ${name}
+      )`;
+    }
+
+    if (assertNodeType === true) {
+      return `assert(
+        ${name}.type === "${type}",
+        "Argument ${name} must be of type ${type}, given: " + ${name}.type
+      )`;
+    }
+
+    return "";
+  }
+}
+
+function assertParam(meta) {
+  const paramAssertion = assertParamType(meta);
+
+  if (paramAssertion === "") {
+    return "";
+  }
+
+  if (meta.maybe || meta.optional) {
+    return `
+      if (${meta.name} !== null && ${meta.name} !== undefined) {
+        ${paramAssertion};
+      }
+    `;
+  } else {
+    return paramAssertion;
+  }
+}
+
+function assertParams(fields) {
+  return mapProps(fields)
+    .map(assertParam)
+    .join("\n");
+}
+
+function buildObject(typeDef) {
+  const optionalField = meta => {
+    if (meta.array) {
+      // omit optional array properties if the constructor function was supplied
+      // with an empty array
+      return `
+        if (typeof ${meta.name} !== "undefined" && ${meta.name}.length > 0) {
+          node.${meta.name} = ${meta.name};
+        }
+      `;
+    } else if (meta.type === "Object") {
+      // omit optional object properties if they have no keys
+      return `
+        if (typeof ${meta.name} !== "undefined" && Object.keys(${
+        meta.name
+      }).length !== 0) {
+          node.${meta.name} = ${meta.name};
+        }
+      `;
+    } else if (meta.type === "boolean") {
+      // omit optional boolean properties if they are not true
+      return `
+        if (${meta.name} === true) {
+          node.${meta.name} = true;
+        }
+      `;
+    } else {
+      return `
+        if (typeof ${meta.name} !== "undefined") {
+          node.${meta.name} = ${meta.name};
+        }
+      `;
+    }
+  };
+
+  const fields = mapProps(typeDef.fields)
+    .filter(f => !f.optional && !f.constant)
+    .map(f => f.name);
+
+  const constants = mapProps(typeDef.fields)
+    .filter(f => f.constant)
+    .map(f => `${f.name}: "${f.value}"`);
+
+  return `
+    const node: ${typeDef.flowTypeName || typeDef.name} = {
+      type: "${typeDef.name}",
+      ${constants.concat(fields).join(",")}
+    }
+
+    ${mapProps(typeDef.fields)
+      .filter(f => f.optional)
+      .map(optionalField)
+      .join("")}
+  `;
+}
+
+function lowerCamelCase(name) {
+  return name.substring(0, 1).toLowerCase() + name.substring(1);
+}
+
+function generate() {
+  stdout.write(`
+    // @flow
+
+    // THIS FILE IS AUTOGENERATED
+    // see scripts/generateNodeUtils.js
+
+    import { assert } from "mamacro";
+
+    function isTypeOf(t: string) {
+      return (n: Node) => n.type === t;
+    }
+
+    function assertTypeOf(t: string) {
+      return (n: Node) => assert(n.type === t);
+    }
+  `);
+
+  // Node builders
+  iterateProps(definitions, typeDefinition => {
+    stdout.write(`
+      export function ${lowerCamelCase(typeDefinition.name)} (
+        ${params(filterProps(typeDefinition.fields, f => !f.constant))}
+      ): ${typeDefinition.name} {
+
+        ${assertParams(filterProps(typeDefinition.fields, f => !f.constant))}
+        ${buildObject(typeDefinition)} 
+
+        return node;
+      }
+    `);
+  });
+
+  // Node testers
+  iterateProps(definitions, typeDefinition => {
+    stdout.write(`
+      export const is${typeDefinition.name} =
+        isTypeOf("${typeDefinition.name}");
+    `);
+  });
+
+  // Node union type testers
+  const unionTypes = unique(
+    flatMap(mapProps(definitions).filter(d => d.unionType), d => d.unionType)
+  );
+  unionTypes.forEach(unionType => {
+    stdout.write(
+      `
+      export const is${unionType} = (node: Node) => ` +
+        mapProps(definitions)
+          .filter(d => d.unionType && d.unionType.includes(unionType))
+          .map(d => `is${d.name}(node) `)
+          .join("||") +
+        ";\n\n"
+    );
+  });
+
+  // Node assertion
+  iterateProps(definitions, typeDefinition => {
+    stdout.write(`
+      export const assert${typeDefinition.name} =
+        assertTypeOf("${typeDefinition.name}");
+    `);
+  });
+
+  // a map from node type to its set of union types
+  stdout.write(
+    `
+    export const unionTypesMap = {` +
+      mapProps(definitions)
+        .filter(d => d.unionType)
+        .map(t => `"${t.name}": [${t.unionType.map(quote).join(",")}]\n`) +
+      `};
+      `
+  );
+
+  // an array of all node and union types
+  stdout.write(
+    `
+    export const nodeAndUnionTypes = [` +
+      mapProps(definitions)
+        .map(t => `"${t.name}"`)
+        .concat(unionTypes.map(quote))
+        .join(",") +
+      `];`
+  );
+}
+
+generate();
diff --git a/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js b/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js
new file mode 100644
index 00000000..99ba0aea
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js
@@ -0,0 +1,47 @@
+const definitions = require("../src/definitions");
+const flatMap = require("array.prototype.flatmap");
+const { typeSignature, mapProps, iterateProps, unique } = require("./util");
+
+const stdout = process.stdout;
+
+function params(fields) {
+  return mapProps(fields)
+    .map(typeSignature)
+    .join(",");
+}
+
+function generate() {
+  stdout.write(`
+    // @flow
+    /* eslint no-unused-vars: off */
+
+    // THIS FILE IS AUTOGENERATED
+    // see scripts/generateTypeDefinitions.js
+  `);
+
+  // generate union types
+  const unionTypes = unique(
+    flatMap(mapProps(definitions).filter(d => d.unionType), d => d.unionType)
+  );
+  unionTypes.forEach(unionType => {
+    stdout.write(
+      `type ${unionType} = ` +
+        mapProps(definitions)
+          .filter(d => d.unionType && d.unionType.includes(unionType))
+          .map(d => d.name)
+          .join("|") +
+        ";\n\n"
+    );
+  });
+
+  // generate the type definitions
+  iterateProps(definitions, typeDef => {
+    stdout.write(`type ${typeDef.name} = {
+        ...BaseNode,
+        type: "${typeDef.name}",
+        ${params(typeDef.fields)}
+      };\n\n`);
+  });
+}
+
+generate();
diff --git a/node_modules/@webassemblyjs/ast/scripts/util.js b/node_modules/@webassemblyjs/ast/scripts/util.js
new file mode 100644
index 00000000..c2ccfa0b
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/scripts/util.js
@@ -0,0 +1,38 @@
+function iterateProps(obj, iterator) {
+  Object.keys(obj).forEach(key => iterator({ ...obj[key], name: key }));
+}
+
+function mapProps(obj) {
+  return Object.keys(obj).map(key => ({ ...obj[key], name: key }));
+}
+
+function filterProps(obj, filter) {
+  const ret = {};
+  Object.keys(obj).forEach(key => {
+    if (filter(obj[key])) {
+      ret[key] = obj[key];
+    }
+  });
+  return ret;
+}
+
+function typeSignature(meta) {
+  const type = meta.array ? `Array<${meta.type}>` : meta.type;
+  if (meta.optional) {
+    return `${meta.name}?: ${type}`;
+  } else if (meta.maybe) {
+    return `${meta.name}: ?${type}`;
+  } else {
+    return `${meta.name}: ${type}`;
+  }
+}
+
+const unique = items => Array.from(new Set(items));
+
+module.exports = {
+  iterateProps,
+  mapProps,
+  filterProps,
+  typeSignature,
+  unique
+};
diff --git a/node_modules/@webassemblyjs/floating-point-hex-parser/LICENSE b/node_modules/@webassemblyjs/floating-point-hex-parser/LICENSE
new file mode 100644
index 00000000..a83ddbaa
--- /dev/null
+++ b/node_modules/@webassemblyjs/floating-point-hex-parser/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Mauro Bringolf
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/floating-point-hex-parser/README.md b/node_modules/@webassemblyjs/floating-point-hex-parser/README.md
new file mode 100644
index 00000000..648e09bc
--- /dev/null
+++ b/node_modules/@webassemblyjs/floating-point-hex-parser/README.md
@@ -0,0 +1,34 @@
+# Parser function for floating point hexadecimals
+
+[![license](https://img.shields.io/github/license/maurobringolf/@webassemblyjs/floating-point-hex-parser.svg)]()
+[![GitHub last commit](https://img.shields.io/github/last-commit/maurobringolf/@webassemblyjs/floating-point-hex-parser.svg)]()
+[![npm](https://img.shields.io/npm/v/@webassemblyjs/floating-point-hex-parser.svg)]()
+
+> A JavaScript function to parse floating point hexadecimals as defined by the [WebAssembly specification](https://webassembly.github.io/spec/core/text/values.html#text-hexfloat).
+
+## Usage
+
+```javascript
+import parseHexFloat from '@webassemblyjs/floating-point-hex-parser'
+
+parseHexFloat('0x1p-1')               // 0.5
+parseHexFloat('0x1.921fb54442d18p+2') // 6.283185307179586
+```
+
+## Tests
+
+This module is tested in two ways. The first one is through a small set of test cases that can be found in [test/regular.test.js](https://github.com/maurobringolf/@webassemblyjs/floating-point-hex-parser/blob/master/test/regular.test.js). The second one is non-deterministic (sometimes called *fuzzing*):
+
+1. Generate a random IEEE754 double precision value `x`.
+1. Compute its representation `y` in floating point hexadecimal format using the C standard library function `printf` since C supports this format.
+1. Give both values to JS testcase and see if `parseHexFloat(y) === x`.
+
+By default one `npm test` run tests 100 random samples. If you want to do more, you can set the environment variable `FUZZ_AMOUNT` to whatever number of runs you'd like. Because it uses one child process for each sample, it is really slow though. For more details about the randomized tests see [the source](https://github.com/maurobringolf/@webassemblyjs/floating-point-hex-parser/tree/master/test/fuzzing).
+
+## Links
+
+* [maurobringolf.ch/2017/12/hexadecimal-floating-point-notation/](https://maurobringolf.ch/2017/12/hexadecimal-floating-point-notation/)
+
+* [github.com/xtuc/js-webassembly-interpreter/issues/32](https://github.com/xtuc/js-webassembly-interpreter/issues/32)
+
+* [github.com/WebAssembly/design/issues/292](https://github.com/WebAssembly/design/issues/292)
diff --git a/node_modules/@webassemblyjs/floating-point-hex-parser/esm/index.js b/node_modules/@webassemblyjs/floating-point-hex-parser/esm/index.js
new file mode 100644
index 00000000..d8d858d3
--- /dev/null
+++ b/node_modules/@webassemblyjs/floating-point-hex-parser/esm/index.js
@@ -0,0 +1,42 @@
+export default function parse(input) {
+  input = input.toUpperCase();
+  var splitIndex = input.indexOf("P");
+  var mantissa, exponent;
+
+  if (splitIndex !== -1) {
+    mantissa = input.substring(0, splitIndex);
+    exponent = parseInt(input.substring(splitIndex + 1));
+  } else {
+    mantissa = input;
+    exponent = 0;
+  }
+
+  var dotIndex = mantissa.indexOf(".");
+
+  if (dotIndex !== -1) {
+    var integerPart = parseInt(mantissa.substring(0, dotIndex), 16);
+    var sign = Math.sign(integerPart);
+    integerPart = sign * integerPart;
+    var fractionLength = mantissa.length - dotIndex - 1;
+    var fractionalPart = parseInt(mantissa.substring(dotIndex + 1), 16);
+    var fraction = fractionLength > 0 ? fractionalPart / Math.pow(16, fractionLength) : 0;
+
+    if (sign === 0) {
+      if (fraction === 0) {
+        mantissa = sign;
+      } else {
+        if (Object.is(sign, -0)) {
+          mantissa = -fraction;
+        } else {
+          mantissa = fraction;
+        }
+      }
+    } else {
+      mantissa = sign * (integerPart + fraction);
+    }
+  } else {
+    mantissa = parseInt(mantissa, 16);
+  }
+
+  return mantissa * (splitIndex !== -1 ? Math.pow(2, exponent) : 1);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/floating-point-hex-parser/lib/index.js b/node_modules/@webassemblyjs/floating-point-hex-parser/lib/index.js
new file mode 100644
index 00000000..a8676992
--- /dev/null
+++ b/node_modules/@webassemblyjs/floating-point-hex-parser/lib/index.js
@@ -0,0 +1,49 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = parse;
+
+function parse(input) {
+  input = input.toUpperCase();
+  var splitIndex = input.indexOf("P");
+  var mantissa, exponent;
+
+  if (splitIndex !== -1) {
+    mantissa = input.substring(0, splitIndex);
+    exponent = parseInt(input.substring(splitIndex + 1));
+  } else {
+    mantissa = input;
+    exponent = 0;
+  }
+
+  var dotIndex = mantissa.indexOf(".");
+
+  if (dotIndex !== -1) {
+    var integerPart = parseInt(mantissa.substring(0, dotIndex), 16);
+    var sign = Math.sign(integerPart);
+    integerPart = sign * integerPart;
+    var fractionLength = mantissa.length - dotIndex - 1;
+    var fractionalPart = parseInt(mantissa.substring(dotIndex + 1), 16);
+    var fraction = fractionLength > 0 ? fractionalPart / Math.pow(16, fractionLength) : 0;
+
+    if (sign === 0) {
+      if (fraction === 0) {
+        mantissa = sign;
+      } else {
+        if (Object.is(sign, -0)) {
+          mantissa = -fraction;
+        } else {
+          mantissa = fraction;
+        }
+      }
+    } else {
+      mantissa = sign * (integerPart + fraction);
+    }
+  } else {
+    mantissa = parseInt(mantissa, 16);
+  }
+
+  return mantissa * (splitIndex !== -1 ? Math.pow(2, exponent) : 1);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/floating-point-hex-parser/package.json b/node_modules/@webassemblyjs/floating-point-hex-parser/package.json
new file mode 100644
index 00000000..b0c9808e
--- /dev/null
+++ b/node_modules/@webassemblyjs/floating-point-hex-parser/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "@webassemblyjs/floating-point-hex-parser",
+  "scripts": {
+    "build-fuzzer": "[ -f ./test/fuzzing/parse.out ] || gcc ./test/fuzzing/parse.c -o ./test/fuzzing/parse.out -lm -Wall"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "version": "1.9.0",
+  "description": "A function to parse floating point hexadecimal strings as defined by the WebAssembly specification",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "keywords": [
+    "webassembly",
+    "floating-point"
+  ],
+  "author": "Mauro Bringolf",
+  "license": "MIT",
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-api-error/LICENSE b/node_modules/@webassemblyjs/helper-api-error/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-api-error/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-api-error/esm/index.js b/node_modules/@webassemblyjs/helper-api-error/esm/index.js
new file mode 100644
index 00000000..869d4808
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-api-error/esm/index.js
@@ -0,0 +1,47 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+export var RuntimeError =
+/*#__PURE__*/
+function (_Error) {
+  _inherits(RuntimeError, _Error);
+
+  function RuntimeError() {
+    _classCallCheck(this, RuntimeError);
+
+    return _possibleConstructorReturn(this, (RuntimeError.__proto__ || Object.getPrototypeOf(RuntimeError)).apply(this, arguments));
+  }
+
+  return RuntimeError;
+}(Error);
+export var CompileError =
+/*#__PURE__*/
+function (_Error2) {
+  _inherits(CompileError, _Error2);
+
+  function CompileError() {
+    _classCallCheck(this, CompileError);
+
+    return _possibleConstructorReturn(this, (CompileError.__proto__ || Object.getPrototypeOf(CompileError)).apply(this, arguments));
+  }
+
+  return CompileError;
+}(Error);
+export var LinkError =
+/*#__PURE__*/
+function (_Error3) {
+  _inherits(LinkError, _Error3);
+
+  function LinkError() {
+    _classCallCheck(this, LinkError);
+
+    return _possibleConstructorReturn(this, (LinkError.__proto__ || Object.getPrototypeOf(LinkError)).apply(this, arguments));
+  }
+
+  return LinkError;
+}(Error);
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-api-error/lib/index.js b/node_modules/@webassemblyjs/helper-api-error/lib/index.js
new file mode 100644
index 00000000..926ec47c
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-api-error/lib/index.js
@@ -0,0 +1,62 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.LinkError = exports.CompileError = exports.RuntimeError = void 0;
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var RuntimeError =
+/*#__PURE__*/
+function (_Error) {
+  _inherits(RuntimeError, _Error);
+
+  function RuntimeError() {
+    _classCallCheck(this, RuntimeError);
+
+    return _possibleConstructorReturn(this, (RuntimeError.__proto__ || Object.getPrototypeOf(RuntimeError)).apply(this, arguments));
+  }
+
+  return RuntimeError;
+}(Error);
+
+exports.RuntimeError = RuntimeError;
+
+var CompileError =
+/*#__PURE__*/
+function (_Error2) {
+  _inherits(CompileError, _Error2);
+
+  function CompileError() {
+    _classCallCheck(this, CompileError);
+
+    return _possibleConstructorReturn(this, (CompileError.__proto__ || Object.getPrototypeOf(CompileError)).apply(this, arguments));
+  }
+
+  return CompileError;
+}(Error);
+
+exports.CompileError = CompileError;
+
+var LinkError =
+/*#__PURE__*/
+function (_Error3) {
+  _inherits(LinkError, _Error3);
+
+  function LinkError() {
+    _classCallCheck(this, LinkError);
+
+    return _possibleConstructorReturn(this, (LinkError.__proto__ || Object.getPrototypeOf(LinkError)).apply(this, arguments));
+  }
+
+  return LinkError;
+}(Error);
+
+exports.LinkError = LinkError;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-api-error/package.json b/node_modules/@webassemblyjs/helper-api-error/package.json
new file mode 100644
index 00000000..6ca8c993
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-api-error/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "@webassemblyjs/helper-api-error",
+  "version": "1.9.0",
+  "description": "Common API errors",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-buffer/LICENSE b/node_modules/@webassemblyjs/helper-buffer/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-buffer/esm/compare.js b/node_modules/@webassemblyjs/helper-buffer/esm/compare.js
new file mode 100644
index 00000000..8cea6b3e
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/esm/compare.js
@@ -0,0 +1,65 @@
+// this are dev dependencies
+var diff = require("jest-diff");
+
+var _require = require("jest-diff/build/constants"),
+    NO_DIFF_MESSAGE = _require.NO_DIFF_MESSAGE;
+
+var _require2 = require("@webassemblyjs/wasm-parser"),
+    decode = _require2.decode;
+
+var oldConsoleLog = console.log;
+export function compareArrayBuffers(l, r) {
+  /**
+   * Decode left
+   */
+  var bufferL = "";
+
+  console.log = function () {
+    for (var _len = arguments.length, texts = new Array(_len), _key = 0; _key < _len; _key++) {
+      texts[_key] = arguments[_key];
+    }
+
+    return bufferL += texts.join("") + "\n";
+  };
+
+  try {
+    decode(l, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferL);
+    console.error(e);
+    throw e;
+  }
+  /**
+   * Decode right
+   */
+
+
+  var bufferR = "";
+
+  console.log = function () {
+    for (var _len2 = arguments.length, texts = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      texts[_key2] = arguments[_key2];
+    }
+
+    return bufferR += texts.join("") + "\n";
+  };
+
+  try {
+    decode(r, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferR);
+    console.error(e);
+    throw e;
+  }
+
+  console.log = oldConsoleLog;
+  var out = diff(bufferL, bufferR);
+
+  if (out !== null && out !== NO_DIFF_MESSAGE) {
+    throw new Error("\n" + out);
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-buffer/esm/index.js b/node_modules/@webassemblyjs/helper-buffer/esm/index.js
new file mode 100644
index 00000000..2c35b9e3
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/esm/index.js
@@ -0,0 +1,67 @@
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function concatUint8Arrays() {
+  for (var _len = arguments.length, arrays = new Array(_len), _key = 0; _key < _len; _key++) {
+    arrays[_key] = arguments[_key];
+  }
+
+  var totalLength = arrays.reduce(function (a, b) {
+    return a + b.length;
+  }, 0);
+  var result = new Uint8Array(totalLength);
+  var offset = 0;
+
+  for (var _i = 0; _i < arrays.length; _i++) {
+    var arr = arrays[_i];
+
+    if (arr instanceof Uint8Array === false) {
+      throw new Error("arr must be of type Uint8Array");
+    }
+
+    result.set(arr, offset);
+    offset += arr.length;
+  }
+
+  return result;
+}
+
+export function overrideBytesInBuffer(buffer, startLoc, endLoc, newBytes) {
+  var beforeBytes = buffer.slice(0, startLoc);
+  var afterBytes = buffer.slice(endLoc, buffer.length); // replacement is empty, we can omit it
+
+  if (newBytes.length === 0) {
+    return concatUint8Arrays(beforeBytes, afterBytes);
+  }
+
+  var replacement = Uint8Array.from(newBytes);
+  return concatUint8Arrays(beforeBytes, replacement, afterBytes);
+}
+export function makeBuffer() {
+  for (var _len2 = arguments.length, splitedBytes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+    splitedBytes[_key2] = arguments[_key2];
+  }
+
+  var bytes = [].concat.apply([], splitedBytes);
+  return new Uint8Array(bytes).buffer;
+}
+export function fromHexdump(str) {
+  var lines = str.split("\n"); // remove any leading left whitespace
+
+  lines = lines.map(function (line) {
+    return line.trim();
+  });
+  var bytes = lines.reduce(function (acc, line) {
+    var cols = line.split(" "); // remove the offset, left column
+
+    cols.shift();
+    cols = cols.filter(function (x) {
+      return x !== "";
+    });
+    var bytes = cols.map(function (x) {
+      return parseInt(x, 16);
+    });
+    acc.push.apply(acc, _toConsumableArray(bytes));
+    return acc;
+  }, []);
+  return Buffer.from(bytes);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-buffer/lib/compare.js b/node_modules/@webassemblyjs/helper-buffer/lib/compare.js
new file mode 100644
index 00000000..b30dc071
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/lib/compare.js
@@ -0,0 +1,73 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.compareArrayBuffers = compareArrayBuffers;
+
+// this are dev dependencies
+var diff = require("jest-diff");
+
+var _require = require("jest-diff/build/constants"),
+    NO_DIFF_MESSAGE = _require.NO_DIFF_MESSAGE;
+
+var _require2 = require("@webassemblyjs/wasm-parser"),
+    decode = _require2.decode;
+
+var oldConsoleLog = console.log;
+
+function compareArrayBuffers(l, r) {
+  /**
+   * Decode left
+   */
+  var bufferL = "";
+
+  console.log = function () {
+    for (var _len = arguments.length, texts = new Array(_len), _key = 0; _key < _len; _key++) {
+      texts[_key] = arguments[_key];
+    }
+
+    return bufferL += texts.join("") + "\n";
+  };
+
+  try {
+    decode(l, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferL);
+    console.error(e);
+    throw e;
+  }
+  /**
+   * Decode right
+   */
+
+
+  var bufferR = "";
+
+  console.log = function () {
+    for (var _len2 = arguments.length, texts = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      texts[_key2] = arguments[_key2];
+    }
+
+    return bufferR += texts.join("") + "\n";
+  };
+
+  try {
+    decode(r, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferR);
+    console.error(e);
+    throw e;
+  }
+
+  console.log = oldConsoleLog;
+  var out = diff(bufferL, bufferR);
+
+  if (out !== null && out !== NO_DIFF_MESSAGE) {
+    throw new Error("\n" + out);
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-buffer/lib/index.js b/node_modules/@webassemblyjs/helper-buffer/lib/index.js
new file mode 100644
index 00000000..b735b1f7
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/lib/index.js
@@ -0,0 +1,78 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.overrideBytesInBuffer = overrideBytesInBuffer;
+exports.makeBuffer = makeBuffer;
+exports.fromHexdump = fromHexdump;
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function concatUint8Arrays() {
+  for (var _len = arguments.length, arrays = new Array(_len), _key = 0; _key < _len; _key++) {
+    arrays[_key] = arguments[_key];
+  }
+
+  var totalLength = arrays.reduce(function (a, b) {
+    return a + b.length;
+  }, 0);
+  var result = new Uint8Array(totalLength);
+  var offset = 0;
+
+  for (var _i = 0; _i < arrays.length; _i++) {
+    var arr = arrays[_i];
+
+    if (arr instanceof Uint8Array === false) {
+      throw new Error("arr must be of type Uint8Array");
+    }
+
+    result.set(arr, offset);
+    offset += arr.length;
+  }
+
+  return result;
+}
+
+function overrideBytesInBuffer(buffer, startLoc, endLoc, newBytes) {
+  var beforeBytes = buffer.slice(0, startLoc);
+  var afterBytes = buffer.slice(endLoc, buffer.length); // replacement is empty, we can omit it
+
+  if (newBytes.length === 0) {
+    return concatUint8Arrays(beforeBytes, afterBytes);
+  }
+
+  var replacement = Uint8Array.from(newBytes);
+  return concatUint8Arrays(beforeBytes, replacement, afterBytes);
+}
+
+function makeBuffer() {
+  for (var _len2 = arguments.length, splitedBytes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+    splitedBytes[_key2] = arguments[_key2];
+  }
+
+  var bytes = [].concat.apply([], splitedBytes);
+  return new Uint8Array(bytes).buffer;
+}
+
+function fromHexdump(str) {
+  var lines = str.split("\n"); // remove any leading left whitespace
+
+  lines = lines.map(function (line) {
+    return line.trim();
+  });
+  var bytes = lines.reduce(function (acc, line) {
+    var cols = line.split(" "); // remove the offset, left column
+
+    cols.shift();
+    cols = cols.filter(function (x) {
+      return x !== "";
+    });
+    var bytes = cols.map(function (x) {
+      return parseInt(x, 16);
+    });
+    acc.push.apply(acc, _toConsumableArray(bytes));
+    return acc;
+  }, []);
+  return Buffer.from(bytes);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-buffer/package.json b/node_modules/@webassemblyjs/helper-buffer/package.json
new file mode 100644
index 00000000..bfcacaa7
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "@webassemblyjs/helper-buffer",
+  "version": "1.9.0",
+  "description": "Buffer manipulation utility",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "devDependencies": {
+    "@webassemblyjs/wasm-parser": "1.9.0",
+    "jest-diff": "^24.0.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-code-frame/LICENSE b/node_modules/@webassemblyjs/helper-code-frame/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-code-frame/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-code-frame/esm/index.js b/node_modules/@webassemblyjs/helper-code-frame/esm/index.js
new file mode 100644
index 00000000..791c65e6
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-code-frame/esm/index.js
@@ -0,0 +1,37 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+import { print } from "@webassemblyjs/wast-printer";
+var SHOW_LINES_AROUND_POINTER = 5;
+
+function repeat(char, nb) {
+  return Array(nb).fill(char).join("");
+} // TODO(sven): allow arbitrary ast nodes
+
+
+export function codeFrameFromAst(ast, loc) {
+  return codeFrameFromSource(print(ast), loc);
+}
+export function codeFrameFromSource(source, loc) {
+  var start = loc.start,
+      end = loc.end;
+  var length = 1;
+
+  if (_typeof(end) === "object") {
+    length = end.column - start.column + 1;
+  }
+
+  return source.split("\n").reduce(function (acc, line, lineNbr) {
+    if (Math.abs(start.line - lineNbr) < SHOW_LINES_AROUND_POINTER) {
+      acc += line + "\n";
+    } // Add a new line with the pointer padded left
+
+
+    if (lineNbr === start.line - 1) {
+      acc += repeat(" ", start.column - 1);
+      acc += repeat("^", length);
+      acc += "\n";
+    }
+
+    return acc;
+  }, "");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-code-frame/lib/index.js b/node_modules/@webassemblyjs/helper-code-frame/lib/index.js
new file mode 100644
index 00000000..977de892
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-code-frame/lib/index.js
@@ -0,0 +1,47 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.codeFrameFromAst = codeFrameFromAst;
+exports.codeFrameFromSource = codeFrameFromSource;
+
+var _wastPrinter = require("@webassemblyjs/wast-printer");
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var SHOW_LINES_AROUND_POINTER = 5;
+
+function repeat(char, nb) {
+  return Array(nb).fill(char).join("");
+} // TODO(sven): allow arbitrary ast nodes
+
+
+function codeFrameFromAst(ast, loc) {
+  return codeFrameFromSource((0, _wastPrinter.print)(ast), loc);
+}
+
+function codeFrameFromSource(source, loc) {
+  var start = loc.start,
+      end = loc.end;
+  var length = 1;
+
+  if (_typeof(end) === "object") {
+    length = end.column - start.column + 1;
+  }
+
+  return source.split("\n").reduce(function (acc, line, lineNbr) {
+    if (Math.abs(start.line - lineNbr) < SHOW_LINES_AROUND_POINTER) {
+      acc += line + "\n";
+    } // Add a new line with the pointer padded left
+
+
+    if (lineNbr === start.line - 1) {
+      acc += repeat(" ", start.column - 1);
+      acc += repeat("^", length);
+      acc += "\n";
+    }
+
+    return acc;
+  }, "");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-code-frame/package.json b/node_modules/@webassemblyjs/helper-code-frame/package.json
new file mode 100644
index 00000000..59d187a9
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-code-frame/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "@webassemblyjs/helper-code-frame",
+  "version": "1.9.0",
+  "description": "",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/wast-printer": "1.9.0"
+  },
+  "devDependencies": {
+    "@webassemblyjs/ast": "1.9.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-fsm/LICENSE b/node_modules/@webassemblyjs/helper-fsm/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-fsm/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-fsm/esm/index.js b/node_modules/@webassemblyjs/helper-fsm/esm/index.js
new file mode 100644
index 00000000..c7266b82
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-fsm/esm/index.js
@@ -0,0 +1,101 @@
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var STOP = Symbol("STOP");
+
+function makeTransition(regex, nextState) {
+  var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+      _ref$n = _ref.n,
+      n = _ref$n === void 0 ? 1 : _ref$n,
+      allowedSeparator = _ref.allowedSeparator;
+
+  return function (instance) {
+    if (allowedSeparator) {
+      if (instance.input[instance.ptr] === allowedSeparator) {
+        if (regex.test(instance.input.substring(instance.ptr - 1, instance.ptr))) {
+          // Consume the separator and stay in current state
+          return [instance.currentState, 1];
+        } else {
+          return [instance.terminatingState, 0];
+        }
+      }
+    }
+
+    if (regex.test(instance.input.substring(instance.ptr, instance.ptr + n))) {
+      return [nextState, n];
+    }
+
+    return false;
+  };
+}
+
+function combineTransitions(transitions) {
+  return function () {
+    var match = false;
+    var currentTransitions = transitions[this.currentState] || [];
+
+    for (var i = 0; i < currentTransitions.length; ++i) {
+      match = currentTransitions[i](this);
+
+      if (match !== false) {
+        break;
+      }
+    }
+
+    return match || [this.terminatingState, 0];
+  };
+}
+
+var FSM =
+/*#__PURE__*/
+function () {
+  function FSM(transitions, initialState) {
+    var terminatingState = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : STOP;
+
+    _classCallCheck(this, FSM);
+
+    this.initialState = initialState;
+    this.terminatingState = terminatingState;
+
+    if (terminatingState === STOP || !transitions[terminatingState]) {
+      transitions[terminatingState] = [];
+    }
+
+    this.transitionFunction = combineTransitions.call(this, transitions);
+  }
+
+  _createClass(FSM, [{
+    key: "run",
+    value: function run(input) {
+      this.input = input;
+      this.ptr = 0;
+      this.currentState = this.initialState;
+      var value = "";
+      var eatLength, nextState;
+
+      while (this.currentState !== this.terminatingState && this.ptr < this.input.length) {
+        var _transitionFunction = this.transitionFunction();
+
+        var _transitionFunction2 = _slicedToArray(_transitionFunction, 2);
+
+        nextState = _transitionFunction2[0];
+        eatLength = _transitionFunction2[1];
+        value += this.input.substring(this.ptr, this.ptr += eatLength);
+        this.currentState = nextState;
+      }
+
+      return value;
+    }
+  }]);
+
+  return FSM;
+}();
+
+export { makeTransition, FSM };
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-fsm/lib/index.js b/node_modules/@webassemblyjs/helper-fsm/lib/index.js
new file mode 100644
index 00000000..c23120df
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-fsm/lib/index.js
@@ -0,0 +1,109 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.makeTransition = makeTransition;
+exports.FSM = void 0;
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var STOP = Symbol("STOP");
+
+function makeTransition(regex, nextState) {
+  var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+      _ref$n = _ref.n,
+      n = _ref$n === void 0 ? 1 : _ref$n,
+      allowedSeparator = _ref.allowedSeparator;
+
+  return function (instance) {
+    if (allowedSeparator) {
+      if (instance.input[instance.ptr] === allowedSeparator) {
+        if (regex.test(instance.input.substring(instance.ptr - 1, instance.ptr))) {
+          // Consume the separator and stay in current state
+          return [instance.currentState, 1];
+        } else {
+          return [instance.terminatingState, 0];
+        }
+      }
+    }
+
+    if (regex.test(instance.input.substring(instance.ptr, instance.ptr + n))) {
+      return [nextState, n];
+    }
+
+    return false;
+  };
+}
+
+function combineTransitions(transitions) {
+  return function () {
+    var match = false;
+    var currentTransitions = transitions[this.currentState] || [];
+
+    for (var i = 0; i < currentTransitions.length; ++i) {
+      match = currentTransitions[i](this);
+
+      if (match !== false) {
+        break;
+      }
+    }
+
+    return match || [this.terminatingState, 0];
+  };
+}
+
+var FSM =
+/*#__PURE__*/
+function () {
+  function FSM(transitions, initialState) {
+    var terminatingState = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : STOP;
+
+    _classCallCheck(this, FSM);
+
+    this.initialState = initialState;
+    this.terminatingState = terminatingState;
+
+    if (terminatingState === STOP || !transitions[terminatingState]) {
+      transitions[terminatingState] = [];
+    }
+
+    this.transitionFunction = combineTransitions.call(this, transitions);
+  }
+
+  _createClass(FSM, [{
+    key: "run",
+    value: function run(input) {
+      this.input = input;
+      this.ptr = 0;
+      this.currentState = this.initialState;
+      var value = "";
+      var eatLength, nextState;
+
+      while (this.currentState !== this.terminatingState && this.ptr < this.input.length) {
+        var _transitionFunction = this.transitionFunction();
+
+        var _transitionFunction2 = _slicedToArray(_transitionFunction, 2);
+
+        nextState = _transitionFunction2[0];
+        eatLength = _transitionFunction2[1];
+        value += this.input.substring(this.ptr, this.ptr += eatLength);
+        this.currentState = nextState;
+      }
+
+      return value;
+    }
+  }]);
+
+  return FSM;
+}();
+
+exports.FSM = FSM;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-fsm/package.json b/node_modules/@webassemblyjs/helper-fsm/package.json
new file mode 100644
index 00000000..1cbe450f
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-fsm/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "@webassemblyjs/helper-fsm",
+  "version": "1.9.0",
+  "description": "FSM implementation",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "author": "Mauro Bringolf",
+  "license": "ISC",
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-module-context/LICENSE b/node_modules/@webassemblyjs/helper-module-context/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-module-context/esm/index.js b/node_modules/@webassemblyjs/helper-module-context/esm/index.js
new file mode 100644
index 00000000..0f730e66
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/esm/index.js
@@ -0,0 +1,378 @@
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+// TODO(sven): add flow in here
+import { isSignature, isNumberLiteral } from "@webassemblyjs/ast";
+export function moduleContextFromModuleAST(m) {
+  var moduleContext = new ModuleContext();
+
+  if (!(m.type === "Module")) {
+    throw new Error('m.type === "Module"' + " error: " + (undefined || "unknown"));
+  }
+
+  m.fields.forEach(function (field) {
+    switch (field.type) {
+      case "Start":
+        {
+          moduleContext.setStart(field.index);
+          break;
+        }
+
+      case "TypeInstruction":
+        {
+          moduleContext.addType(field);
+          break;
+        }
+
+      case "Func":
+        {
+          moduleContext.addFunction(field);
+          break;
+        }
+
+      case "Global":
+        {
+          moduleContext.defineGlobal(field);
+          break;
+        }
+
+      case "ModuleImport":
+        {
+          switch (field.descr.type) {
+            case "GlobalType":
+              {
+                moduleContext.importGlobal(field.descr.valtype, field.descr.mutability);
+                break;
+              }
+
+            case "Memory":
+              {
+                moduleContext.addMemory(field.descr.limits.min, field.descr.limits.max);
+                break;
+              }
+
+            case "FuncImportDescr":
+              {
+                moduleContext.importFunction(field.descr);
+                break;
+              }
+
+            case "Table":
+              {
+                // FIXME(sven): not implemented yet
+                break;
+              }
+
+            default:
+              throw new Error("Unsupported ModuleImport of type " + JSON.stringify(field.descr.type));
+          }
+
+          break;
+        }
+
+      case "Memory":
+        {
+          moduleContext.addMemory(field.limits.min, field.limits.max);
+          break;
+        }
+    }
+  });
+  return moduleContext;
+}
+/**
+ * Module context for type checking
+ */
+
+export var ModuleContext =
+/*#__PURE__*/
+function () {
+  function ModuleContext() {
+    _classCallCheck(this, ModuleContext);
+
+    this.funcs = [];
+    this.funcsOffsetByIdentifier = [];
+    this.types = [];
+    this.globals = [];
+    this.globalsOffsetByIdentifier = [];
+    this.mems = []; // Current stack frame
+
+    this.locals = [];
+    this.labels = [];
+    this.return = [];
+    this.debugName = "unknown";
+    this.start = null;
+  }
+  /**
+   * Set start segment
+   */
+
+
+  _createClass(ModuleContext, [{
+    key: "setStart",
+    value: function setStart(index) {
+      this.start = index.value;
+    }
+    /**
+     * Get start function
+     */
+
+  }, {
+    key: "getStart",
+    value: function getStart() {
+      return this.start;
+    }
+    /**
+     * Reset the active stack frame
+     */
+
+  }, {
+    key: "newContext",
+    value: function newContext(debugName, expectedResult) {
+      this.locals = [];
+      this.labels = [expectedResult];
+      this.return = expectedResult;
+      this.debugName = debugName;
+    }
+    /**
+     * Functions
+     */
+
+  }, {
+    key: "addFunction",
+    value: function addFunction(func
+    /*: Func*/
+    ) {
+      // eslint-disable-next-line prefer-const
+      var _ref = func.signature || {},
+          _ref$params = _ref.params,
+          args = _ref$params === void 0 ? [] : _ref$params,
+          _ref$results = _ref.results,
+          result = _ref$results === void 0 ? [] : _ref$results;
+
+      args = args.map(function (arg) {
+        return arg.valtype;
+      });
+      this.funcs.push({
+        args: args,
+        result: result
+      });
+
+      if (typeof func.name !== "undefined") {
+        this.funcsOffsetByIdentifier[func.name.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "importFunction",
+    value: function importFunction(funcimport) {
+      if (isSignature(funcimport.signature)) {
+        // eslint-disable-next-line prefer-const
+        var _funcimport$signature = funcimport.signature,
+            args = _funcimport$signature.params,
+            result = _funcimport$signature.results;
+        args = args.map(function (arg) {
+          return arg.valtype;
+        });
+        this.funcs.push({
+          args: args,
+          result: result
+        });
+      } else {
+        if (!isNumberLiteral(funcimport.signature)) {
+          throw new Error('isNumberLiteral(funcimport.signature)' + " error: " + (undefined || "unknown"));
+        }
+
+        var typeId = funcimport.signature.value;
+
+        if (!this.hasType(typeId)) {
+          throw new Error('this.hasType(typeId)' + " error: " + (undefined || "unknown"));
+        }
+
+        var signature = this.getType(typeId);
+        this.funcs.push({
+          args: signature.params.map(function (arg) {
+            return arg.valtype;
+          }),
+          result: signature.results
+        });
+      }
+
+      if (typeof funcimport.id !== "undefined") {
+        // imports are first, we can assume their index in the array
+        this.funcsOffsetByIdentifier[funcimport.id.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "hasFunction",
+    value: function hasFunction(index) {
+      return typeof this.getFunction(index) !== "undefined";
+    }
+  }, {
+    key: "getFunction",
+    value: function getFunction(index) {
+      if (typeof index !== "number") {
+        throw new Error("getFunction only supported for number index");
+      }
+
+      return this.funcs[index];
+    }
+  }, {
+    key: "getFunctionOffsetByIdentifier",
+    value: function getFunctionOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      return this.funcsOffsetByIdentifier[name];
+    }
+    /**
+     * Labels
+     */
+
+  }, {
+    key: "addLabel",
+    value: function addLabel(result) {
+      this.labels.unshift(result);
+    }
+  }, {
+    key: "hasLabel",
+    value: function hasLabel(index) {
+      return this.labels.length > index && index >= 0;
+    }
+  }, {
+    key: "getLabel",
+    value: function getLabel(index) {
+      return this.labels[index];
+    }
+  }, {
+    key: "popLabel",
+    value: function popLabel() {
+      this.labels.shift();
+    }
+    /**
+     * Locals
+     */
+
+  }, {
+    key: "hasLocal",
+    value: function hasLocal(index) {
+      return typeof this.getLocal(index) !== "undefined";
+    }
+  }, {
+    key: "getLocal",
+    value: function getLocal(index) {
+      return this.locals[index];
+    }
+  }, {
+    key: "addLocal",
+    value: function addLocal(type) {
+      this.locals.push(type);
+    }
+    /**
+     * Types
+     */
+
+  }, {
+    key: "addType",
+    value: function addType(type) {
+      if (!(type.functype.type === "Signature")) {
+        throw new Error('type.functype.type === "Signature"' + " error: " + (undefined || "unknown"));
+      }
+
+      this.types.push(type.functype);
+    }
+  }, {
+    key: "hasType",
+    value: function hasType(index) {
+      return this.types[index] !== undefined;
+    }
+  }, {
+    key: "getType",
+    value: function getType(index) {
+      return this.types[index];
+    }
+    /**
+     * Globals
+     */
+
+  }, {
+    key: "hasGlobal",
+    value: function hasGlobal(index) {
+      return this.globals.length > index && index >= 0;
+    }
+  }, {
+    key: "getGlobal",
+    value: function getGlobal(index) {
+      return this.globals[index].type;
+    }
+  }, {
+    key: "getGlobalOffsetByIdentifier",
+    value: function getGlobalOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      return this.globalsOffsetByIdentifier[name];
+    }
+  }, {
+    key: "defineGlobal",
+    value: function defineGlobal(global
+    /*: Global*/
+    ) {
+      var type = global.globalType.valtype;
+      var mutability = global.globalType.mutability;
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+
+      if (typeof global.name !== "undefined") {
+        this.globalsOffsetByIdentifier[global.name.value] = this.globals.length - 1;
+      }
+    }
+  }, {
+    key: "importGlobal",
+    value: function importGlobal(type, mutability) {
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+    }
+  }, {
+    key: "isMutableGlobal",
+    value: function isMutableGlobal(index) {
+      return this.globals[index].mutability === "var";
+    }
+  }, {
+    key: "isImmutableGlobal",
+    value: function isImmutableGlobal(index) {
+      return this.globals[index].mutability === "const";
+    }
+    /**
+     * Memories
+     */
+
+  }, {
+    key: "hasMemory",
+    value: function hasMemory(index) {
+      return this.mems.length > index && index >= 0;
+    }
+  }, {
+    key: "addMemory",
+    value: function addMemory(min, max) {
+      this.mems.push({
+        min: min,
+        max: max
+      });
+    }
+  }, {
+    key: "getMemory",
+    value: function getMemory(index) {
+      return this.mems[index];
+    }
+  }]);
+
+  return ModuleContext;
+}();
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-module-context/lib/index.js b/node_modules/@webassemblyjs/helper-module-context/lib/index.js
new file mode 100644
index 00000000..189e7190
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/lib/index.js
@@ -0,0 +1,389 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.moduleContextFromModuleAST = moduleContextFromModuleAST;
+exports.ModuleContext = void 0;
+
+var _ast = require("@webassemblyjs/ast");
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function moduleContextFromModuleAST(m) {
+  var moduleContext = new ModuleContext();
+
+  if (!(m.type === "Module")) {
+    throw new Error('m.type === "Module"' + " error: " + (undefined || "unknown"));
+  }
+
+  m.fields.forEach(function (field) {
+    switch (field.type) {
+      case "Start":
+        {
+          moduleContext.setStart(field.index);
+          break;
+        }
+
+      case "TypeInstruction":
+        {
+          moduleContext.addType(field);
+          break;
+        }
+
+      case "Func":
+        {
+          moduleContext.addFunction(field);
+          break;
+        }
+
+      case "Global":
+        {
+          moduleContext.defineGlobal(field);
+          break;
+        }
+
+      case "ModuleImport":
+        {
+          switch (field.descr.type) {
+            case "GlobalType":
+              {
+                moduleContext.importGlobal(field.descr.valtype, field.descr.mutability);
+                break;
+              }
+
+            case "Memory":
+              {
+                moduleContext.addMemory(field.descr.limits.min, field.descr.limits.max);
+                break;
+              }
+
+            case "FuncImportDescr":
+              {
+                moduleContext.importFunction(field.descr);
+                break;
+              }
+
+            case "Table":
+              {
+                // FIXME(sven): not implemented yet
+                break;
+              }
+
+            default:
+              throw new Error("Unsupported ModuleImport of type " + JSON.stringify(field.descr.type));
+          }
+
+          break;
+        }
+
+      case "Memory":
+        {
+          moduleContext.addMemory(field.limits.min, field.limits.max);
+          break;
+        }
+    }
+  });
+  return moduleContext;
+}
+/**
+ * Module context for type checking
+ */
+
+
+var ModuleContext =
+/*#__PURE__*/
+function () {
+  function ModuleContext() {
+    _classCallCheck(this, ModuleContext);
+
+    this.funcs = [];
+    this.funcsOffsetByIdentifier = [];
+    this.types = [];
+    this.globals = [];
+    this.globalsOffsetByIdentifier = [];
+    this.mems = []; // Current stack frame
+
+    this.locals = [];
+    this.labels = [];
+    this.return = [];
+    this.debugName = "unknown";
+    this.start = null;
+  }
+  /**
+   * Set start segment
+   */
+
+
+  _createClass(ModuleContext, [{
+    key: "setStart",
+    value: function setStart(index) {
+      this.start = index.value;
+    }
+    /**
+     * Get start function
+     */
+
+  }, {
+    key: "getStart",
+    value: function getStart() {
+      return this.start;
+    }
+    /**
+     * Reset the active stack frame
+     */
+
+  }, {
+    key: "newContext",
+    value: function newContext(debugName, expectedResult) {
+      this.locals = [];
+      this.labels = [expectedResult];
+      this.return = expectedResult;
+      this.debugName = debugName;
+    }
+    /**
+     * Functions
+     */
+
+  }, {
+    key: "addFunction",
+    value: function addFunction(func
+    /*: Func*/
+    ) {
+      // eslint-disable-next-line prefer-const
+      var _ref = func.signature || {},
+          _ref$params = _ref.params,
+          args = _ref$params === void 0 ? [] : _ref$params,
+          _ref$results = _ref.results,
+          result = _ref$results === void 0 ? [] : _ref$results;
+
+      args = args.map(function (arg) {
+        return arg.valtype;
+      });
+      this.funcs.push({
+        args: args,
+        result: result
+      });
+
+      if (typeof func.name !== "undefined") {
+        this.funcsOffsetByIdentifier[func.name.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "importFunction",
+    value: function importFunction(funcimport) {
+      if ((0, _ast.isSignature)(funcimport.signature)) {
+        // eslint-disable-next-line prefer-const
+        var _funcimport$signature = funcimport.signature,
+            args = _funcimport$signature.params,
+            result = _funcimport$signature.results;
+        args = args.map(function (arg) {
+          return arg.valtype;
+        });
+        this.funcs.push({
+          args: args,
+          result: result
+        });
+      } else {
+        if (!(0, _ast.isNumberLiteral)(funcimport.signature)) {
+          throw new Error('isNumberLiteral(funcimport.signature)' + " error: " + (undefined || "unknown"));
+        }
+
+        var typeId = funcimport.signature.value;
+
+        if (!this.hasType(typeId)) {
+          throw new Error('this.hasType(typeId)' + " error: " + (undefined || "unknown"));
+        }
+
+        var signature = this.getType(typeId);
+        this.funcs.push({
+          args: signature.params.map(function (arg) {
+            return arg.valtype;
+          }),
+          result: signature.results
+        });
+      }
+
+      if (typeof funcimport.id !== "undefined") {
+        // imports are first, we can assume their index in the array
+        this.funcsOffsetByIdentifier[funcimport.id.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "hasFunction",
+    value: function hasFunction(index) {
+      return typeof this.getFunction(index) !== "undefined";
+    }
+  }, {
+    key: "getFunction",
+    value: function getFunction(index) {
+      if (typeof index !== "number") {
+        throw new Error("getFunction only supported for number index");
+      }
+
+      return this.funcs[index];
+    }
+  }, {
+    key: "getFunctionOffsetByIdentifier",
+    value: function getFunctionOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      return this.funcsOffsetByIdentifier[name];
+    }
+    /**
+     * Labels
+     */
+
+  }, {
+    key: "addLabel",
+    value: function addLabel(result) {
+      this.labels.unshift(result);
+    }
+  }, {
+    key: "hasLabel",
+    value: function hasLabel(index) {
+      return this.labels.length > index && index >= 0;
+    }
+  }, {
+    key: "getLabel",
+    value: function getLabel(index) {
+      return this.labels[index];
+    }
+  }, {
+    key: "popLabel",
+    value: function popLabel() {
+      this.labels.shift();
+    }
+    /**
+     * Locals
+     */
+
+  }, {
+    key: "hasLocal",
+    value: function hasLocal(index) {
+      return typeof this.getLocal(index) !== "undefined";
+    }
+  }, {
+    key: "getLocal",
+    value: function getLocal(index) {
+      return this.locals[index];
+    }
+  }, {
+    key: "addLocal",
+    value: function addLocal(type) {
+      this.locals.push(type);
+    }
+    /**
+     * Types
+     */
+
+  }, {
+    key: "addType",
+    value: function addType(type) {
+      if (!(type.functype.type === "Signature")) {
+        throw new Error('type.functype.type === "Signature"' + " error: " + (undefined || "unknown"));
+      }
+
+      this.types.push(type.functype);
+    }
+  }, {
+    key: "hasType",
+    value: function hasType(index) {
+      return this.types[index] !== undefined;
+    }
+  }, {
+    key: "getType",
+    value: function getType(index) {
+      return this.types[index];
+    }
+    /**
+     * Globals
+     */
+
+  }, {
+    key: "hasGlobal",
+    value: function hasGlobal(index) {
+      return this.globals.length > index && index >= 0;
+    }
+  }, {
+    key: "getGlobal",
+    value: function getGlobal(index) {
+      return this.globals[index].type;
+    }
+  }, {
+    key: "getGlobalOffsetByIdentifier",
+    value: function getGlobalOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      return this.globalsOffsetByIdentifier[name];
+    }
+  }, {
+    key: "defineGlobal",
+    value: function defineGlobal(global
+    /*: Global*/
+    ) {
+      var type = global.globalType.valtype;
+      var mutability = global.globalType.mutability;
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+
+      if (typeof global.name !== "undefined") {
+        this.globalsOffsetByIdentifier[global.name.value] = this.globals.length - 1;
+      }
+    }
+  }, {
+    key: "importGlobal",
+    value: function importGlobal(type, mutability) {
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+    }
+  }, {
+    key: "isMutableGlobal",
+    value: function isMutableGlobal(index) {
+      return this.globals[index].mutability === "var";
+    }
+  }, {
+    key: "isImmutableGlobal",
+    value: function isImmutableGlobal(index) {
+      return this.globals[index].mutability === "const";
+    }
+    /**
+     * Memories
+     */
+
+  }, {
+    key: "hasMemory",
+    value: function hasMemory(index) {
+      return this.mems.length > index && index >= 0;
+    }
+  }, {
+    key: "addMemory",
+    value: function addMemory(min, max) {
+      this.mems.push({
+        min: min,
+        max: max
+      });
+    }
+  }, {
+    key: "getMemory",
+    value: function getMemory(index) {
+      return this.mems[index];
+    }
+  }]);
+
+  return ModuleContext;
+}();
+
+exports.ModuleContext = ModuleContext;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-module-context/package.json b/node_modules/@webassemblyjs/helper-module-context/package.json
new file mode 100644
index 00000000..ba7edbbe
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "@webassemblyjs/helper-module-context",
+  "version": "1.9.0",
+  "description": "",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0"
+  },
+  "devDependencies": {
+    "@webassemblyjs/wast-parser": "1.9.0",
+    "mamacro": "^0.0.7"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-module-context/src/index.js b/node_modules/@webassemblyjs/helper-module-context/src/index.js
new file mode 100644
index 00000000..e3171dee
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/src/index.js
@@ -0,0 +1,287 @@
+// TODO(sven): add flow in here
+
+import { isSignature, isNumberLiteral } from "@webassemblyjs/ast";
+import { assert } from "mamacro";
+
+export function moduleContextFromModuleAST(m) {
+  const moduleContext = new ModuleContext();
+
+  assert(m.type === "Module");
+
+  m.fields.forEach(field => {
+    switch (field.type) {
+      case "Start": {
+        moduleContext.setStart(field.index);
+        break;
+      }
+      case "TypeInstruction": {
+        moduleContext.addType(field);
+        break;
+      }
+      case "Func": {
+        moduleContext.addFunction(field);
+        break;
+      }
+      case "Global": {
+        moduleContext.defineGlobal(field);
+        break;
+      }
+      case "ModuleImport": {
+        switch (field.descr.type) {
+          case "GlobalType": {
+            moduleContext.importGlobal(
+              field.descr.valtype,
+              field.descr.mutability
+            );
+            break;
+          }
+          case "Memory": {
+            moduleContext.addMemory(
+              field.descr.limits.min,
+              field.descr.limits.max
+            );
+            break;
+          }
+          case "FuncImportDescr": {
+            moduleContext.importFunction(field.descr);
+            break;
+          }
+
+          case "Table": {
+            // FIXME(sven): not implemented yet
+            break;
+          }
+
+          default:
+            throw new Error(
+              "Unsupported ModuleImport of type " +
+                JSON.stringify(field.descr.type)
+            );
+        }
+        break;
+      }
+      case "Memory": {
+        moduleContext.addMemory(field.limits.min, field.limits.max);
+        break;
+      }
+    }
+  });
+
+  return moduleContext;
+}
+
+/**
+ * Module context for type checking
+ */
+export class ModuleContext {
+  constructor() {
+    this.funcs = [];
+    this.funcsOffsetByIdentifier = [];
+
+    this.types = [];
+
+    this.globals = [];
+    this.globalsOffsetByIdentifier = [];
+
+    this.mems = [];
+
+    // Current stack frame
+    this.locals = [];
+    this.labels = [];
+    this.return = [];
+
+    this.debugName = "unknown";
+
+    this.start = null;
+  }
+
+  /**
+   * Set start segment
+   */
+  setStart(index) {
+    this.start = index.value;
+  }
+
+  /**
+   * Get start function
+   */
+  getStart() {
+    return this.start;
+  }
+
+  /**
+   * Reset the active stack frame
+   */
+  newContext(debugName, expectedResult) {
+    this.locals = [];
+    this.labels = [expectedResult];
+    this.return = expectedResult;
+    this.debugName = debugName;
+  }
+
+  /**
+   * Functions
+   */
+  addFunction(func /*: Func*/) {
+    // eslint-disable-next-line prefer-const
+    let { params: args = [], results: result = [] } = func.signature || {};
+
+    args = args.map(arg => arg.valtype);
+
+    this.funcs.push({ args, result });
+
+    if (typeof func.name !== "undefined") {
+      this.funcsOffsetByIdentifier[func.name.value] = this.funcs.length - 1;
+    }
+  }
+
+  importFunction(funcimport) {
+    if (isSignature(funcimport.signature)) {
+      // eslint-disable-next-line prefer-const
+      let { params: args, results: result } = funcimport.signature;
+      args = args.map(arg => arg.valtype);
+
+      this.funcs.push({ args, result });
+    } else {
+      assert(isNumberLiteral(funcimport.signature));
+
+      const typeId = funcimport.signature.value;
+      assert(this.hasType(typeId));
+
+      const signature = this.getType(typeId);
+      this.funcs.push({
+        args: signature.params.map(arg => arg.valtype),
+        result: signature.results
+      });
+    }
+
+    if (typeof funcimport.id !== "undefined") {
+      // imports are first, we can assume their index in the array
+      this.funcsOffsetByIdentifier[funcimport.id.value] = this.funcs.length - 1;
+    }
+  }
+
+  hasFunction(index) {
+    return typeof this.getFunction(index) !== "undefined";
+  }
+
+  getFunction(index) {
+    if (typeof index !== "number") {
+      throw new Error("getFunction only supported for number index");
+    }
+
+    return this.funcs[index];
+  }
+
+  getFunctionOffsetByIdentifier(name) {
+    assert(typeof name === "string");
+
+    return this.funcsOffsetByIdentifier[name];
+  }
+
+  /**
+   * Labels
+   */
+  addLabel(result) {
+    this.labels.unshift(result);
+  }
+
+  hasLabel(index) {
+    return this.labels.length > index && index >= 0;
+  }
+
+  getLabel(index) {
+    return this.labels[index];
+  }
+
+  popLabel() {
+    this.labels.shift();
+  }
+
+  /**
+   * Locals
+   */
+  hasLocal(index) {
+    return typeof this.getLocal(index) !== "undefined";
+  }
+
+  getLocal(index) {
+    return this.locals[index];
+  }
+
+  addLocal(type) {
+    this.locals.push(type);
+  }
+
+  /**
+   * Types
+   */
+  addType(type) {
+    assert(type.functype.type === "Signature");
+    this.types.push(type.functype);
+  }
+
+  hasType(index) {
+    return this.types[index] !== undefined;
+  }
+
+  getType(index) {
+    return this.types[index];
+  }
+
+  /**
+   * Globals
+   */
+  hasGlobal(index) {
+    return this.globals.length > index && index >= 0;
+  }
+
+  getGlobal(index) {
+    return this.globals[index].type;
+  }
+
+  getGlobalOffsetByIdentifier(name) {
+    assert(typeof name === "string");
+
+    return this.globalsOffsetByIdentifier[name];
+  }
+
+  defineGlobal(global /*: Global*/) {
+    const type = global.globalType.valtype;
+    const mutability = global.globalType.mutability;
+
+    this.globals.push({ type, mutability });
+
+    if (typeof global.name !== "undefined") {
+      this.globalsOffsetByIdentifier[global.name.value] =
+        this.globals.length - 1;
+    }
+  }
+
+  importGlobal(type, mutability) {
+    this.globals.push({ type, mutability });
+  }
+
+  isMutableGlobal(index) {
+    return this.globals[index].mutability === "var";
+  }
+
+  isImmutableGlobal(index) {
+    return this.globals[index].mutability === "const";
+  }
+
+  /**
+   * Memories
+   */
+  hasMemory(index) {
+    return this.mems.length > index && index >= 0;
+  }
+
+  addMemory(min, max) {
+    this.mems.push({ min, max });
+  }
+
+  getMemory(index) {
+    return this.mems[index];
+  }
+}
diff --git a/node_modules/@webassemblyjs/helper-module-context/test/index.js b/node_modules/@webassemblyjs/helper-module-context/test/index.js
new file mode 100644
index 00000000..2fbf58ca
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-module-context/test/index.js
@@ -0,0 +1,100 @@
+const { assert } = require("chai");
+const { parse } = require("@webassemblyjs/wast-parser");
+
+const { moduleContextFromModuleAST } = require("../lib");
+
+const contextFromWast = wast => moduleContextFromModuleAST(parse(wast).body[0]);
+
+describe("module context", () => {
+  describe("start segment", () => {
+    it("should return the start function offset", () => {
+      const context = contextFromWast(`
+        (module
+          (func)
+          (func)
+          (start 1)
+        )
+      `);
+
+      assert.isOk(context.getStart());
+      assert.typeOf(context.getStart(), "number");
+      assert.equal(context.getStart(), 1);
+    });
+
+    it("should return null if no start function", () => {
+      const context = contextFromWast(`
+        (module (func))
+      `);
+
+      assert.isNull(context.getStart());
+    });
+
+    it("should retrive the type of implemented functions", () => {
+      const context = contextFromWast(`
+        (module
+          (func (param i32) (result i64))
+          (func (param i64) (result i32))
+          (func (result i64))
+          (func)
+        )
+      `);
+
+      assert.deepEqual(context.getFunction(0), {
+        args: ["i32"],
+        result: ["i64"]
+      });
+      assert.deepEqual(context.getFunction(1), {
+        args: ["i64"],
+        result: ["i32"]
+      });
+      assert.deepEqual(context.getFunction(2), { args: [], result: ["i64"] });
+      assert.deepEqual(context.getFunction(3), { args: [], result: [] });
+    });
+
+    it("should retrive the type of imported functions", () => {
+      const context = contextFromWast(`
+        (module
+          (import "a" "a" (func (param i32) (result i32)))
+          (import "a" "b" (func (result i64)))
+          (import "a" "c" (func))
+          (func (result f32))
+        )
+      `);
+
+      assert.deepEqual(context.getFunction(0), {
+        args: ["i32"],
+        result: ["i32"]
+      });
+      assert.deepEqual(context.getFunction(1), {
+        args: [],
+        result: ["i64"]
+      });
+      assert.deepEqual(context.getFunction(2), { args: [], result: [] });
+      assert.deepEqual(context.getFunction(3), { args: [], result: ["f32"] });
+    });
+
+    it("should retrive the type of functions with type ref", () => {
+      const context = contextFromWast(`
+        (module
+          (type (func (param i32) (result i32)))
+          (type (func (result i64)))
+          (type (func))
+
+          (import "a" "a" (func (type 0)))
+          (import "a" "b" (func (type 1)))
+          (func (type 2))
+        )
+      `);
+
+      assert.deepEqual(context.getFunction(0), {
+        args: ["i32"],
+        result: ["i32"]
+      });
+      assert.deepEqual(context.getFunction(1), {
+        args: [],
+        result: ["i64"]
+      });
+      assert.deepEqual(context.getFunction(2), { args: [], result: [] });
+    });
+  });
+});
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/LICENSE b/node_modules/@webassemblyjs/helper-wasm-bytecode/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/index.js b/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/index.js
new file mode 100644
index 00000000..be0bc837
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/index.js
@@ -0,0 +1,324 @@
+var illegalop = "illegal";
+var magicModuleHeader = [0x00, 0x61, 0x73, 0x6d];
+var moduleVersion = [0x01, 0x00, 0x00, 0x00];
+
+function invertMap(obj) {
+  var keyModifierFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function (k) {
+    return k;
+  };
+  var result = {};
+  var keys = Object.keys(obj);
+
+  for (var i = 0, length = keys.length; i < length; i++) {
+    result[keyModifierFn(obj[keys[i]])] = keys[i];
+  }
+
+  return result;
+}
+
+function createSymbolObject(name
+/*: string */
+, object
+/*: string */
+)
+/*: Symbol*/
+{
+  var numberOfArgs
+  /*: number*/
+  = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+  return {
+    name: name,
+    object: object,
+    numberOfArgs: numberOfArgs
+  };
+}
+
+function createSymbol(name
+/*: string */
+)
+/*: Symbol*/
+{
+  var numberOfArgs
+  /*: number*/
+  = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+  return {
+    name: name,
+    numberOfArgs: numberOfArgs
+  };
+}
+
+var types = {
+  func: 0x60,
+  result: 0x40
+};
+var exportTypes = {
+  0x00: "Func",
+  0x01: "Table",
+  0x02: "Mem",
+  0x03: "Global"
+};
+var exportTypesByName = invertMap(exportTypes);
+var valtypes = {
+  0x7f: "i32",
+  0x7e: "i64",
+  0x7d: "f32",
+  0x7c: "f64",
+  0x7b: "v128"
+};
+var valtypesByString = invertMap(valtypes);
+var tableTypes = {
+  0x70: "anyfunc"
+};
+var blockTypes = Object.assign({}, valtypes, {
+  // https://webassembly.github.io/spec/core/binary/types.html#binary-blocktype
+  0x40: null,
+  // https://webassembly.github.io/spec/core/binary/types.html#binary-valtype
+  0x7f: "i32",
+  0x7e: "i64",
+  0x7d: "f32",
+  0x7c: "f64"
+});
+var globalTypes = {
+  0x00: "const",
+  0x01: "var"
+};
+var globalTypesByString = invertMap(globalTypes);
+var importTypes = {
+  0x00: "func",
+  0x01: "table",
+  0x02: "mem",
+  0x03: "global"
+};
+var sections = {
+  custom: 0,
+  type: 1,
+  import: 2,
+  func: 3,
+  table: 4,
+  memory: 5,
+  global: 6,
+  export: 7,
+  start: 8,
+  element: 9,
+  code: 10,
+  data: 11
+};
+var symbolsByByte = {
+  0x00: createSymbol("unreachable"),
+  0x01: createSymbol("nop"),
+  0x02: createSymbol("block"),
+  0x03: createSymbol("loop"),
+  0x04: createSymbol("if"),
+  0x05: createSymbol("else"),
+  0x06: illegalop,
+  0x07: illegalop,
+  0x08: illegalop,
+  0x09: illegalop,
+  0x0a: illegalop,
+  0x0b: createSymbol("end"),
+  0x0c: createSymbol("br", 1),
+  0x0d: createSymbol("br_if", 1),
+  0x0e: createSymbol("br_table"),
+  0x0f: createSymbol("return"),
+  0x10: createSymbol("call", 1),
+  0x11: createSymbol("call_indirect", 2),
+  0x12: illegalop,
+  0x13: illegalop,
+  0x14: illegalop,
+  0x15: illegalop,
+  0x16: illegalop,
+  0x17: illegalop,
+  0x18: illegalop,
+  0x19: illegalop,
+  0x1a: createSymbol("drop"),
+  0x1b: createSymbol("select"),
+  0x1c: illegalop,
+  0x1d: illegalop,
+  0x1e: illegalop,
+  0x1f: illegalop,
+  0x20: createSymbol("get_local", 1),
+  0x21: createSymbol("set_local", 1),
+  0x22: createSymbol("tee_local", 1),
+  0x23: createSymbol("get_global", 1),
+  0x24: createSymbol("set_global", 1),
+  0x25: illegalop,
+  0x26: illegalop,
+  0x27: illegalop,
+  0x28: createSymbolObject("load", "u32", 1),
+  0x29: createSymbolObject("load", "u64", 1),
+  0x2a: createSymbolObject("load", "f32", 1),
+  0x2b: createSymbolObject("load", "f64", 1),
+  0x2c: createSymbolObject("load8_s", "u32", 1),
+  0x2d: createSymbolObject("load8_u", "u32", 1),
+  0x2e: createSymbolObject("load16_s", "u32", 1),
+  0x2f: createSymbolObject("load16_u", "u32", 1),
+  0x30: createSymbolObject("load8_s", "u64", 1),
+  0x31: createSymbolObject("load8_u", "u64", 1),
+  0x32: createSymbolObject("load16_s", "u64", 1),
+  0x33: createSymbolObject("load16_u", "u64", 1),
+  0x34: createSymbolObject("load32_s", "u64", 1),
+  0x35: createSymbolObject("load32_u", "u64", 1),
+  0x36: createSymbolObject("store", "u32", 1),
+  0x37: createSymbolObject("store", "u64", 1),
+  0x38: createSymbolObject("store", "f32", 1),
+  0x39: createSymbolObject("store", "f64", 1),
+  0x3a: createSymbolObject("store8", "u32", 1),
+  0x3b: createSymbolObject("store16", "u32", 1),
+  0x3c: createSymbolObject("store8", "u64", 1),
+  0x3d: createSymbolObject("store16", "u64", 1),
+  0x3e: createSymbolObject("store32", "u64", 1),
+  0x3f: createSymbolObject("current_memory"),
+  0x40: createSymbolObject("grow_memory"),
+  0x41: createSymbolObject("const", "i32", 1),
+  0x42: createSymbolObject("const", "i64", 1),
+  0x43: createSymbolObject("const", "f32", 1),
+  0x44: createSymbolObject("const", "f64", 1),
+  0x45: createSymbolObject("eqz", "i32"),
+  0x46: createSymbolObject("eq", "i32"),
+  0x47: createSymbolObject("ne", "i32"),
+  0x48: createSymbolObject("lt_s", "i32"),
+  0x49: createSymbolObject("lt_u", "i32"),
+  0x4a: createSymbolObject("gt_s", "i32"),
+  0x4b: createSymbolObject("gt_u", "i32"),
+  0x4c: createSymbolObject("le_s", "i32"),
+  0x4d: createSymbolObject("le_u", "i32"),
+  0x4e: createSymbolObject("ge_s", "i32"),
+  0x4f: createSymbolObject("ge_u", "i32"),
+  0x50: createSymbolObject("eqz", "i64"),
+  0x51: createSymbolObject("eq", "i64"),
+  0x52: createSymbolObject("ne", "i64"),
+  0x53: createSymbolObject("lt_s", "i64"),
+  0x54: createSymbolObject("lt_u", "i64"),
+  0x55: createSymbolObject("gt_s", "i64"),
+  0x56: createSymbolObject("gt_u", "i64"),
+  0x57: createSymbolObject("le_s", "i64"),
+  0x58: createSymbolObject("le_u", "i64"),
+  0x59: createSymbolObject("ge_s", "i64"),
+  0x5a: createSymbolObject("ge_u", "i64"),
+  0x5b: createSymbolObject("eq", "f32"),
+  0x5c: createSymbolObject("ne", "f32"),
+  0x5d: createSymbolObject("lt", "f32"),
+  0x5e: createSymbolObject("gt", "f32"),
+  0x5f: createSymbolObject("le", "f32"),
+  0x60: createSymbolObject("ge", "f32"),
+  0x61: createSymbolObject("eq", "f64"),
+  0x62: createSymbolObject("ne", "f64"),
+  0x63: createSymbolObject("lt", "f64"),
+  0x64: createSymbolObject("gt", "f64"),
+  0x65: createSymbolObject("le", "f64"),
+  0x66: createSymbolObject("ge", "f64"),
+  0x67: createSymbolObject("clz", "i32"),
+  0x68: createSymbolObject("ctz", "i32"),
+  0x69: createSymbolObject("popcnt", "i32"),
+  0x6a: createSymbolObject("add", "i32"),
+  0x6b: createSymbolObject("sub", "i32"),
+  0x6c: createSymbolObject("mul", "i32"),
+  0x6d: createSymbolObject("div_s", "i32"),
+  0x6e: createSymbolObject("div_u", "i32"),
+  0x6f: createSymbolObject("rem_s", "i32"),
+  0x70: createSymbolObject("rem_u", "i32"),
+  0x71: createSymbolObject("and", "i32"),
+  0x72: createSymbolObject("or", "i32"),
+  0x73: createSymbolObject("xor", "i32"),
+  0x74: createSymbolObject("shl", "i32"),
+  0x75: createSymbolObject("shr_s", "i32"),
+  0x76: createSymbolObject("shr_u", "i32"),
+  0x77: createSymbolObject("rotl", "i32"),
+  0x78: createSymbolObject("rotr", "i32"),
+  0x79: createSymbolObject("clz", "i64"),
+  0x7a: createSymbolObject("ctz", "i64"),
+  0x7b: createSymbolObject("popcnt", "i64"),
+  0x7c: createSymbolObject("add", "i64"),
+  0x7d: createSymbolObject("sub", "i64"),
+  0x7e: createSymbolObject("mul", "i64"),
+  0x7f: createSymbolObject("div_s", "i64"),
+  0x80: createSymbolObject("div_u", "i64"),
+  0x81: createSymbolObject("rem_s", "i64"),
+  0x82: createSymbolObject("rem_u", "i64"),
+  0x83: createSymbolObject("and", "i64"),
+  0x84: createSymbolObject("or", "i64"),
+  0x85: createSymbolObject("xor", "i64"),
+  0x86: createSymbolObject("shl", "i64"),
+  0x87: createSymbolObject("shr_s", "i64"),
+  0x88: createSymbolObject("shr_u", "i64"),
+  0x89: createSymbolObject("rotl", "i64"),
+  0x8a: createSymbolObject("rotr", "i64"),
+  0x8b: createSymbolObject("abs", "f32"),
+  0x8c: createSymbolObject("neg", "f32"),
+  0x8d: createSymbolObject("ceil", "f32"),
+  0x8e: createSymbolObject("floor", "f32"),
+  0x8f: createSymbolObject("trunc", "f32"),
+  0x90: createSymbolObject("nearest", "f32"),
+  0x91: createSymbolObject("sqrt", "f32"),
+  0x92: createSymbolObject("add", "f32"),
+  0x93: createSymbolObject("sub", "f32"),
+  0x94: createSymbolObject("mul", "f32"),
+  0x95: createSymbolObject("div", "f32"),
+  0x96: createSymbolObject("min", "f32"),
+  0x97: createSymbolObject("max", "f32"),
+  0x98: createSymbolObject("copysign", "f32"),
+  0x99: createSymbolObject("abs", "f64"),
+  0x9a: createSymbolObject("neg", "f64"),
+  0x9b: createSymbolObject("ceil", "f64"),
+  0x9c: createSymbolObject("floor", "f64"),
+  0x9d: createSymbolObject("trunc", "f64"),
+  0x9e: createSymbolObject("nearest", "f64"),
+  0x9f: createSymbolObject("sqrt", "f64"),
+  0xa0: createSymbolObject("add", "f64"),
+  0xa1: createSymbolObject("sub", "f64"),
+  0xa2: createSymbolObject("mul", "f64"),
+  0xa3: createSymbolObject("div", "f64"),
+  0xa4: createSymbolObject("min", "f64"),
+  0xa5: createSymbolObject("max", "f64"),
+  0xa6: createSymbolObject("copysign", "f64"),
+  0xa7: createSymbolObject("wrap/i64", "i32"),
+  0xa8: createSymbolObject("trunc_s/f32", "i32"),
+  0xa9: createSymbolObject("trunc_u/f32", "i32"),
+  0xaa: createSymbolObject("trunc_s/f64", "i32"),
+  0xab: createSymbolObject("trunc_u/f64", "i32"),
+  0xac: createSymbolObject("extend_s/i32", "i64"),
+  0xad: createSymbolObject("extend_u/i32", "i64"),
+  0xae: createSymbolObject("trunc_s/f32", "i64"),
+  0xaf: createSymbolObject("trunc_u/f32", "i64"),
+  0xb0: createSymbolObject("trunc_s/f64", "i64"),
+  0xb1: createSymbolObject("trunc_u/f64", "i64"),
+  0xb2: createSymbolObject("convert_s/i32", "f32"),
+  0xb3: createSymbolObject("convert_u/i32", "f32"),
+  0xb4: createSymbolObject("convert_s/i64", "f32"),
+  0xb5: createSymbolObject("convert_u/i64", "f32"),
+  0xb6: createSymbolObject("demote/f64", "f32"),
+  0xb7: createSymbolObject("convert_s/i32", "f64"),
+  0xb8: createSymbolObject("convert_u/i32", "f64"),
+  0xb9: createSymbolObject("convert_s/i64", "f64"),
+  0xba: createSymbolObject("convert_u/i64", "f64"),
+  0xbb: createSymbolObject("promote/f32", "f64"),
+  0xbc: createSymbolObject("reinterpret/f32", "i32"),
+  0xbd: createSymbolObject("reinterpret/f64", "i64"),
+  0xbe: createSymbolObject("reinterpret/i32", "f32"),
+  0xbf: createSymbolObject("reinterpret/i64", "f64")
+};
+var symbolsByName = invertMap(symbolsByByte, function (obj) {
+  if (typeof obj.object === "string") {
+    return "".concat(obj.object, ".").concat(obj.name);
+  }
+
+  return obj.name;
+});
+export default {
+  symbolsByByte: symbolsByByte,
+  sections: sections,
+  magicModuleHeader: magicModuleHeader,
+  moduleVersion: moduleVersion,
+  types: types,
+  valtypes: valtypes,
+  exportTypes: exportTypes,
+  blockTypes: blockTypes,
+  tableTypes: tableTypes,
+  globalTypes: globalTypes,
+  importTypes: importTypes,
+  valtypesByString: valtypesByString,
+  globalTypesByString: globalTypesByString,
+  exportTypesByName: exportTypesByName,
+  symbolsByName: symbolsByName
+};
+export { getSectionForNode } from "./section";
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/section.js b/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/section.js
new file mode 100644
index 00000000..abdc4cf7
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/esm/section.js
@@ -0,0 +1,31 @@
+export function getSectionForNode(n) {
+  switch (n.type) {
+    case "ModuleImport":
+      return "import";
+
+    case "CallInstruction":
+    case "CallIndirectInstruction":
+    case "Func":
+    case "Instr":
+      return "code";
+
+    case "ModuleExport":
+      return "export";
+
+    case "Start":
+      return "start";
+
+    case "TypeInstruction":
+      return "type";
+
+    case "IndexInFuncSection":
+      return "func";
+
+    case "Global":
+      return "global";
+    // No section
+
+    default:
+      return;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/index.js b/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/index.js
new file mode 100644
index 00000000..7239e10e
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/index.js
@@ -0,0 +1,339 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "getSectionForNode", {
+  enumerable: true,
+  get: function get() {
+    return _section.getSectionForNode;
+  }
+});
+exports.default = void 0;
+
+var _section = require("./section");
+
+var illegalop = "illegal";
+var magicModuleHeader = [0x00, 0x61, 0x73, 0x6d];
+var moduleVersion = [0x01, 0x00, 0x00, 0x00];
+
+function invertMap(obj) {
+  var keyModifierFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function (k) {
+    return k;
+  };
+  var result = {};
+  var keys = Object.keys(obj);
+
+  for (var i = 0, length = keys.length; i < length; i++) {
+    result[keyModifierFn(obj[keys[i]])] = keys[i];
+  }
+
+  return result;
+}
+
+function createSymbolObject(name
+/*: string */
+, object
+/*: string */
+)
+/*: Symbol*/
+{
+  var numberOfArgs
+  /*: number*/
+  = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+  return {
+    name: name,
+    object: object,
+    numberOfArgs: numberOfArgs
+  };
+}
+
+function createSymbol(name
+/*: string */
+)
+/*: Symbol*/
+{
+  var numberOfArgs
+  /*: number*/
+  = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+  return {
+    name: name,
+    numberOfArgs: numberOfArgs
+  };
+}
+
+var types = {
+  func: 0x60,
+  result: 0x40
+};
+var exportTypes = {
+  0x00: "Func",
+  0x01: "Table",
+  0x02: "Mem",
+  0x03: "Global"
+};
+var exportTypesByName = invertMap(exportTypes);
+var valtypes = {
+  0x7f: "i32",
+  0x7e: "i64",
+  0x7d: "f32",
+  0x7c: "f64",
+  0x7b: "v128"
+};
+var valtypesByString = invertMap(valtypes);
+var tableTypes = {
+  0x70: "anyfunc"
+};
+var blockTypes = Object.assign({}, valtypes, {
+  // https://webassembly.github.io/spec/core/binary/types.html#binary-blocktype
+  0x40: null,
+  // https://webassembly.github.io/spec/core/binary/types.html#binary-valtype
+  0x7f: "i32",
+  0x7e: "i64",
+  0x7d: "f32",
+  0x7c: "f64"
+});
+var globalTypes = {
+  0x00: "const",
+  0x01: "var"
+};
+var globalTypesByString = invertMap(globalTypes);
+var importTypes = {
+  0x00: "func",
+  0x01: "table",
+  0x02: "mem",
+  0x03: "global"
+};
+var sections = {
+  custom: 0,
+  type: 1,
+  import: 2,
+  func: 3,
+  table: 4,
+  memory: 5,
+  global: 6,
+  export: 7,
+  start: 8,
+  element: 9,
+  code: 10,
+  data: 11
+};
+var symbolsByByte = {
+  0x00: createSymbol("unreachable"),
+  0x01: createSymbol("nop"),
+  0x02: createSymbol("block"),
+  0x03: createSymbol("loop"),
+  0x04: createSymbol("if"),
+  0x05: createSymbol("else"),
+  0x06: illegalop,
+  0x07: illegalop,
+  0x08: illegalop,
+  0x09: illegalop,
+  0x0a: illegalop,
+  0x0b: createSymbol("end"),
+  0x0c: createSymbol("br", 1),
+  0x0d: createSymbol("br_if", 1),
+  0x0e: createSymbol("br_table"),
+  0x0f: createSymbol("return"),
+  0x10: createSymbol("call", 1),
+  0x11: createSymbol("call_indirect", 2),
+  0x12: illegalop,
+  0x13: illegalop,
+  0x14: illegalop,
+  0x15: illegalop,
+  0x16: illegalop,
+  0x17: illegalop,
+  0x18: illegalop,
+  0x19: illegalop,
+  0x1a: createSymbol("drop"),
+  0x1b: createSymbol("select"),
+  0x1c: illegalop,
+  0x1d: illegalop,
+  0x1e: illegalop,
+  0x1f: illegalop,
+  0x20: createSymbol("get_local", 1),
+  0x21: createSymbol("set_local", 1),
+  0x22: createSymbol("tee_local", 1),
+  0x23: createSymbol("get_global", 1),
+  0x24: createSymbol("set_global", 1),
+  0x25: illegalop,
+  0x26: illegalop,
+  0x27: illegalop,
+  0x28: createSymbolObject("load", "u32", 1),
+  0x29: createSymbolObject("load", "u64", 1),
+  0x2a: createSymbolObject("load", "f32", 1),
+  0x2b: createSymbolObject("load", "f64", 1),
+  0x2c: createSymbolObject("load8_s", "u32", 1),
+  0x2d: createSymbolObject("load8_u", "u32", 1),
+  0x2e: createSymbolObject("load16_s", "u32", 1),
+  0x2f: createSymbolObject("load16_u", "u32", 1),
+  0x30: createSymbolObject("load8_s", "u64", 1),
+  0x31: createSymbolObject("load8_u", "u64", 1),
+  0x32: createSymbolObject("load16_s", "u64", 1),
+  0x33: createSymbolObject("load16_u", "u64", 1),
+  0x34: createSymbolObject("load32_s", "u64", 1),
+  0x35: createSymbolObject("load32_u", "u64", 1),
+  0x36: createSymbolObject("store", "u32", 1),
+  0x37: createSymbolObject("store", "u64", 1),
+  0x38: createSymbolObject("store", "f32", 1),
+  0x39: createSymbolObject("store", "f64", 1),
+  0x3a: createSymbolObject("store8", "u32", 1),
+  0x3b: createSymbolObject("store16", "u32", 1),
+  0x3c: createSymbolObject("store8", "u64", 1),
+  0x3d: createSymbolObject("store16", "u64", 1),
+  0x3e: createSymbolObject("store32", "u64", 1),
+  0x3f: createSymbolObject("current_memory"),
+  0x40: createSymbolObject("grow_memory"),
+  0x41: createSymbolObject("const", "i32", 1),
+  0x42: createSymbolObject("const", "i64", 1),
+  0x43: createSymbolObject("const", "f32", 1),
+  0x44: createSymbolObject("const", "f64", 1),
+  0x45: createSymbolObject("eqz", "i32"),
+  0x46: createSymbolObject("eq", "i32"),
+  0x47: createSymbolObject("ne", "i32"),
+  0x48: createSymbolObject("lt_s", "i32"),
+  0x49: createSymbolObject("lt_u", "i32"),
+  0x4a: createSymbolObject("gt_s", "i32"),
+  0x4b: createSymbolObject("gt_u", "i32"),
+  0x4c: createSymbolObject("le_s", "i32"),
+  0x4d: createSymbolObject("le_u", "i32"),
+  0x4e: createSymbolObject("ge_s", "i32"),
+  0x4f: createSymbolObject("ge_u", "i32"),
+  0x50: createSymbolObject("eqz", "i64"),
+  0x51: createSymbolObject("eq", "i64"),
+  0x52: createSymbolObject("ne", "i64"),
+  0x53: createSymbolObject("lt_s", "i64"),
+  0x54: createSymbolObject("lt_u", "i64"),
+  0x55: createSymbolObject("gt_s", "i64"),
+  0x56: createSymbolObject("gt_u", "i64"),
+  0x57: createSymbolObject("le_s", "i64"),
+  0x58: createSymbolObject("le_u", "i64"),
+  0x59: createSymbolObject("ge_s", "i64"),
+  0x5a: createSymbolObject("ge_u", "i64"),
+  0x5b: createSymbolObject("eq", "f32"),
+  0x5c: createSymbolObject("ne", "f32"),
+  0x5d: createSymbolObject("lt", "f32"),
+  0x5e: createSymbolObject("gt", "f32"),
+  0x5f: createSymbolObject("le", "f32"),
+  0x60: createSymbolObject("ge", "f32"),
+  0x61: createSymbolObject("eq", "f64"),
+  0x62: createSymbolObject("ne", "f64"),
+  0x63: createSymbolObject("lt", "f64"),
+  0x64: createSymbolObject("gt", "f64"),
+  0x65: createSymbolObject("le", "f64"),
+  0x66: createSymbolObject("ge", "f64"),
+  0x67: createSymbolObject("clz", "i32"),
+  0x68: createSymbolObject("ctz", "i32"),
+  0x69: createSymbolObject("popcnt", "i32"),
+  0x6a: createSymbolObject("add", "i32"),
+  0x6b: createSymbolObject("sub", "i32"),
+  0x6c: createSymbolObject("mul", "i32"),
+  0x6d: createSymbolObject("div_s", "i32"),
+  0x6e: createSymbolObject("div_u", "i32"),
+  0x6f: createSymbolObject("rem_s", "i32"),
+  0x70: createSymbolObject("rem_u", "i32"),
+  0x71: createSymbolObject("and", "i32"),
+  0x72: createSymbolObject("or", "i32"),
+  0x73: createSymbolObject("xor", "i32"),
+  0x74: createSymbolObject("shl", "i32"),
+  0x75: createSymbolObject("shr_s", "i32"),
+  0x76: createSymbolObject("shr_u", "i32"),
+  0x77: createSymbolObject("rotl", "i32"),
+  0x78: createSymbolObject("rotr", "i32"),
+  0x79: createSymbolObject("clz", "i64"),
+  0x7a: createSymbolObject("ctz", "i64"),
+  0x7b: createSymbolObject("popcnt", "i64"),
+  0x7c: createSymbolObject("add", "i64"),
+  0x7d: createSymbolObject("sub", "i64"),
+  0x7e: createSymbolObject("mul", "i64"),
+  0x7f: createSymbolObject("div_s", "i64"),
+  0x80: createSymbolObject("div_u", "i64"),
+  0x81: createSymbolObject("rem_s", "i64"),
+  0x82: createSymbolObject("rem_u", "i64"),
+  0x83: createSymbolObject("and", "i64"),
+  0x84: createSymbolObject("or", "i64"),
+  0x85: createSymbolObject("xor", "i64"),
+  0x86: createSymbolObject("shl", "i64"),
+  0x87: createSymbolObject("shr_s", "i64"),
+  0x88: createSymbolObject("shr_u", "i64"),
+  0x89: createSymbolObject("rotl", "i64"),
+  0x8a: createSymbolObject("rotr", "i64"),
+  0x8b: createSymbolObject("abs", "f32"),
+  0x8c: createSymbolObject("neg", "f32"),
+  0x8d: createSymbolObject("ceil", "f32"),
+  0x8e: createSymbolObject("floor", "f32"),
+  0x8f: createSymbolObject("trunc", "f32"),
+  0x90: createSymbolObject("nearest", "f32"),
+  0x91: createSymbolObject("sqrt", "f32"),
+  0x92: createSymbolObject("add", "f32"),
+  0x93: createSymbolObject("sub", "f32"),
+  0x94: createSymbolObject("mul", "f32"),
+  0x95: createSymbolObject("div", "f32"),
+  0x96: createSymbolObject("min", "f32"),
+  0x97: createSymbolObject("max", "f32"),
+  0x98: createSymbolObject("copysign", "f32"),
+  0x99: createSymbolObject("abs", "f64"),
+  0x9a: createSymbolObject("neg", "f64"),
+  0x9b: createSymbolObject("ceil", "f64"),
+  0x9c: createSymbolObject("floor", "f64"),
+  0x9d: createSymbolObject("trunc", "f64"),
+  0x9e: createSymbolObject("nearest", "f64"),
+  0x9f: createSymbolObject("sqrt", "f64"),
+  0xa0: createSymbolObject("add", "f64"),
+  0xa1: createSymbolObject("sub", "f64"),
+  0xa2: createSymbolObject("mul", "f64"),
+  0xa3: createSymbolObject("div", "f64"),
+  0xa4: createSymbolObject("min", "f64"),
+  0xa5: createSymbolObject("max", "f64"),
+  0xa6: createSymbolObject("copysign", "f64"),
+  0xa7: createSymbolObject("wrap/i64", "i32"),
+  0xa8: createSymbolObject("trunc_s/f32", "i32"),
+  0xa9: createSymbolObject("trunc_u/f32", "i32"),
+  0xaa: createSymbolObject("trunc_s/f64", "i32"),
+  0xab: createSymbolObject("trunc_u/f64", "i32"),
+  0xac: createSymbolObject("extend_s/i32", "i64"),
+  0xad: createSymbolObject("extend_u/i32", "i64"),
+  0xae: createSymbolObject("trunc_s/f32", "i64"),
+  0xaf: createSymbolObject("trunc_u/f32", "i64"),
+  0xb0: createSymbolObject("trunc_s/f64", "i64"),
+  0xb1: createSymbolObject("trunc_u/f64", "i64"),
+  0xb2: createSymbolObject("convert_s/i32", "f32"),
+  0xb3: createSymbolObject("convert_u/i32", "f32"),
+  0xb4: createSymbolObject("convert_s/i64", "f32"),
+  0xb5: createSymbolObject("convert_u/i64", "f32"),
+  0xb6: createSymbolObject("demote/f64", "f32"),
+  0xb7: createSymbolObject("convert_s/i32", "f64"),
+  0xb8: createSymbolObject("convert_u/i32", "f64"),
+  0xb9: createSymbolObject("convert_s/i64", "f64"),
+  0xba: createSymbolObject("convert_u/i64", "f64"),
+  0xbb: createSymbolObject("promote/f32", "f64"),
+  0xbc: createSymbolObject("reinterpret/f32", "i32"),
+  0xbd: createSymbolObject("reinterpret/f64", "i64"),
+  0xbe: createSymbolObject("reinterpret/i32", "f32"),
+  0xbf: createSymbolObject("reinterpret/i64", "f64")
+};
+var symbolsByName = invertMap(symbolsByByte, function (obj) {
+  if (typeof obj.object === "string") {
+    return "".concat(obj.object, ".").concat(obj.name);
+  }
+
+  return obj.name;
+});
+var _default = {
+  symbolsByByte: symbolsByByte,
+  sections: sections,
+  magicModuleHeader: magicModuleHeader,
+  moduleVersion: moduleVersion,
+  types: types,
+  valtypes: valtypes,
+  exportTypes: exportTypes,
+  blockTypes: blockTypes,
+  tableTypes: tableTypes,
+  globalTypes: globalTypes,
+  importTypes: importTypes,
+  valtypesByString: valtypesByString,
+  globalTypesByString: globalTypesByString,
+  exportTypesByName: exportTypesByName,
+  symbolsByName: symbolsByName
+};
+exports.default = _default;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/section.js b/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/section.js
new file mode 100644
index 00000000..23f6b2b9
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/lib/section.js
@@ -0,0 +1,38 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getSectionForNode = getSectionForNode;
+
+function getSectionForNode(n) {
+  switch (n.type) {
+    case "ModuleImport":
+      return "import";
+
+    case "CallInstruction":
+    case "CallIndirectInstruction":
+    case "Func":
+    case "Instr":
+      return "code";
+
+    case "ModuleExport":
+      return "export";
+
+    case "Start":
+      return "start";
+
+    case "TypeInstruction":
+      return "type";
+
+    case "IndexInFuncSection":
+      return "func";
+
+    case "Global":
+      return "global";
+    // No section
+
+    default:
+      return;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-bytecode/package.json b/node_modules/@webassemblyjs/helper-wasm-bytecode/package.json
new file mode 100644
index 00000000..aff210ce
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-bytecode/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "@webassemblyjs/helper-wasm-bytecode",
+  "version": "1.9.0",
+  "description": "WASM's Bytecode constants",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/LICENSE b/node_modules/@webassemblyjs/helper-wasm-section/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/esm/create.js b/node_modules/@webassemblyjs/helper-wasm-section/esm/create.js
new file mode 100644
index 00000000..37979788
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/esm/create.js
@@ -0,0 +1,107 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+import { encodeNode } from "@webassemblyjs/wasm-gen";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import * as t from "@webassemblyjs/ast";
+
+function findLastSection(ast, forSection) {
+  var targetSectionId = constants.sections[forSection]; // $FlowIgnore: metadata can not be empty
+
+  var moduleSections = ast.body[0].metadata.sections;
+  var lastSection;
+  var lastId = 0;
+
+  for (var i = 0, len = moduleSections.length; i < len; i++) {
+    var section = moduleSections[i]; // Ignore custom section since they can actually occur everywhere
+
+    if (section.section === "custom") {
+      continue;
+    }
+
+    var sectionId = constants.sections[section.section];
+
+    if (targetSectionId > lastId && targetSectionId < sectionId) {
+      return lastSection;
+    }
+
+    lastId = sectionId;
+    lastSection = section;
+  }
+
+  return lastSection;
+}
+
+export function createEmptySection(ast, uint8Buffer, section) {
+  // previous section after which we are going to insert our section
+  var lastSection = findLastSection(ast, section);
+  var start, end;
+  /**
+   * It's the first section
+   */
+
+  if (lastSection == null || lastSection.section === "custom") {
+    start = 8
+    /* wasm header size */
+    ;
+    end = start;
+  } else {
+    start = lastSection.startOffset + lastSection.size.value + 1;
+    end = start;
+  } // section id
+
+
+  start += 1;
+  var sizeStartLoc = {
+    line: -1,
+    column: start
+  };
+  var sizeEndLoc = {
+    line: -1,
+    column: start + 1
+  }; // 1 byte for the empty vector
+
+  var size = t.withLoc(t.numberLiteralFromRaw(1), sizeEndLoc, sizeStartLoc);
+  var vectorOfSizeStartLoc = {
+    line: -1,
+    column: sizeEndLoc.column
+  };
+  var vectorOfSizeEndLoc = {
+    line: -1,
+    column: sizeEndLoc.column + 1
+  };
+  var vectorOfSize = t.withLoc(t.numberLiteralFromRaw(0), vectorOfSizeEndLoc, vectorOfSizeStartLoc);
+  var sectionMetadata = t.sectionMetadata(section, start, size, vectorOfSize);
+  var sectionBytes = encodeNode(sectionMetadata);
+  uint8Buffer = overrideBytesInBuffer(uint8Buffer, start - 1, end, sectionBytes); // Add section into the AST for later lookups
+
+  if (_typeof(ast.body[0].metadata) === "object") {
+    // $FlowIgnore: metadata can not be empty
+    ast.body[0].metadata.sections.push(sectionMetadata);
+    t.sortSectionMetadata(ast.body[0]);
+  }
+  /**
+   * Update AST
+   */
+  // Once we hit our section every that is after needs to be shifted by the delta
+
+
+  var deltaBytes = +sectionBytes.length;
+  var encounteredSection = false;
+  t.traverse(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        t.shiftSection(ast, path.node, deltaBytes);
+      }
+    }
+  });
+  return {
+    uint8Buffer: uint8Buffer,
+    sectionMetadata: sectionMetadata
+  };
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/esm/index.js b/node_modules/@webassemblyjs/helper-wasm-section/esm/index.js
new file mode 100644
index 00000000..91afb0a1
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/esm/index.js
@@ -0,0 +1,3 @@
+export { resizeSectionByteSize, resizeSectionVecSize } from "./resize";
+export { createEmptySection } from "./create";
+export { removeSections } from "./remove";
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js b/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js
new file mode 100644
index 00000000..3ed85a0b
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js
@@ -0,0 +1,36 @@
+import { traverse, getSectionMetadatas, shiftSection } from "@webassemblyjs/ast";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+export function removeSections(ast, uint8Buffer, section) {
+  var sectionMetadatas = getSectionMetadatas(ast, section);
+
+  if (sectionMetadatas.length === 0) {
+    throw new Error("Section metadata not found");
+  }
+
+  return sectionMetadatas.reverse().reduce(function (uint8Buffer, sectionMetadata) {
+    var startsIncludingId = sectionMetadata.startOffset - 1;
+    var ends = section === "start" ? sectionMetadata.size.loc.end.column + 1 : sectionMetadata.startOffset + sectionMetadata.size.value + 1;
+    var delta = -(ends - startsIncludingId);
+    /**
+     * update AST
+     */
+    // Once we hit our section every that is after needs to be shifted by the delta
+
+    var encounteredSection = false;
+    traverse(ast, {
+      SectionMetadata: function SectionMetadata(path) {
+        if (path.node.section === section) {
+          encounteredSection = true;
+          return path.remove();
+        }
+
+        if (encounteredSection === true) {
+          shiftSection(ast, path.node, delta);
+        }
+      }
+    }); // replacement is nothing
+
+    var replacement = [];
+    return overrideBytesInBuffer(uint8Buffer, startsIncludingId, ends, replacement);
+  }, uint8Buffer);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/esm/resize.js b/node_modules/@webassemblyjs/helper-wasm-section/esm/resize.js
new file mode 100644
index 00000000..97920783
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/esm/resize.js
@@ -0,0 +1,78 @@
+import { encodeU32 } from "@webassemblyjs/wasm-gen";
+import { getSectionMetadata, traverse, shiftSection } from "@webassemblyjs/ast";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+export function resizeSectionByteSize(ast, uint8Buffer, section, deltaBytes) {
+  var sectionMetadata = getSectionMetadata(ast, section);
+
+  if (typeof sectionMetadata === "undefined") {
+    throw new Error("Section metadata not found");
+  }
+
+  if (typeof sectionMetadata.size.loc === "undefined") {
+    throw new Error("SectionMetadata " + section + " has no loc");
+  } // keep old node location to be overriden
+
+
+  var start = sectionMetadata.size.loc.start.column;
+  var end = sectionMetadata.size.loc.end.column;
+  var newSectionSize = sectionMetadata.size.value + deltaBytes;
+  var newBytes = encodeU32(newSectionSize);
+  /**
+   * update AST
+   */
+
+  sectionMetadata.size.value = newSectionSize;
+  var oldu32EncodedLen = end - start;
+  var newu32EncodedLen = newBytes.length; // the new u32 has a different encoded length
+
+  if (newu32EncodedLen !== oldu32EncodedLen) {
+    var deltaInSizeEncoding = newu32EncodedLen - oldu32EncodedLen;
+    sectionMetadata.size.loc.end.column = start + newu32EncodedLen;
+    deltaBytes += deltaInSizeEncoding; // move the vec size pointer size the section size is now smaller
+
+    sectionMetadata.vectorOfSize.loc.start.column += deltaInSizeEncoding;
+    sectionMetadata.vectorOfSize.loc.end.column += deltaInSizeEncoding;
+  } // Once we hit our section every that is after needs to be shifted by the delta
+
+
+  var encounteredSection = false;
+  traverse(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        shiftSection(ast, path.node, deltaBytes);
+      }
+    }
+  });
+  return overrideBytesInBuffer(uint8Buffer, start, end, newBytes);
+}
+export function resizeSectionVecSize(ast, uint8Buffer, section, deltaElements) {
+  var sectionMetadata = getSectionMetadata(ast, section);
+
+  if (typeof sectionMetadata === "undefined") {
+    throw new Error("Section metadata not found");
+  }
+
+  if (typeof sectionMetadata.vectorOfSize.loc === "undefined") {
+    throw new Error("SectionMetadata " + section + " has no loc");
+  } // Section has no vector
+
+
+  if (sectionMetadata.vectorOfSize.value === -1) {
+    return uint8Buffer;
+  } // keep old node location to be overriden
+
+
+  var start = sectionMetadata.vectorOfSize.loc.start.column;
+  var end = sectionMetadata.vectorOfSize.loc.end.column;
+  var newValue = sectionMetadata.vectorOfSize.value + deltaElements;
+  var newBytes = encodeU32(newValue); // Update AST
+
+  sectionMetadata.vectorOfSize.value = newValue;
+  sectionMetadata.vectorOfSize.loc.end.column = start + newBytes.length;
+  return overrideBytesInBuffer(uint8Buffer, start, end, newBytes);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/lib/create.js b/node_modules/@webassemblyjs/helper-wasm-section/lib/create.js
new file mode 100644
index 00000000..9506eaca
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/lib/create.js
@@ -0,0 +1,121 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createEmptySection = createEmptySection;
+
+var _wasmGen = require("@webassemblyjs/wasm-gen");
+
+var _helperBuffer = require("@webassemblyjs/helper-buffer");
+
+var _helperWasmBytecode = _interopRequireDefault(require("@webassemblyjs/helper-wasm-bytecode"));
+
+var t = _interopRequireWildcard(require("@webassemblyjs/ast"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function findLastSection(ast, forSection) {
+  var targetSectionId = _helperWasmBytecode.default.sections[forSection]; // $FlowIgnore: metadata can not be empty
+
+  var moduleSections = ast.body[0].metadata.sections;
+  var lastSection;
+  var lastId = 0;
+
+  for (var i = 0, len = moduleSections.length; i < len; i++) {
+    var section = moduleSections[i]; // Ignore custom section since they can actually occur everywhere
+
+    if (section.section === "custom") {
+      continue;
+    }
+
+    var sectionId = _helperWasmBytecode.default.sections[section.section];
+
+    if (targetSectionId > lastId && targetSectionId < sectionId) {
+      return lastSection;
+    }
+
+    lastId = sectionId;
+    lastSection = section;
+  }
+
+  return lastSection;
+}
+
+function createEmptySection(ast, uint8Buffer, section) {
+  // previous section after which we are going to insert our section
+  var lastSection = findLastSection(ast, section);
+  var start, end;
+  /**
+   * It's the first section
+   */
+
+  if (lastSection == null || lastSection.section === "custom") {
+    start = 8
+    /* wasm header size */
+    ;
+    end = start;
+  } else {
+    start = lastSection.startOffset + lastSection.size.value + 1;
+    end = start;
+  } // section id
+
+
+  start += 1;
+  var sizeStartLoc = {
+    line: -1,
+    column: start
+  };
+  var sizeEndLoc = {
+    line: -1,
+    column: start + 1
+  }; // 1 byte for the empty vector
+
+  var size = t.withLoc(t.numberLiteralFromRaw(1), sizeEndLoc, sizeStartLoc);
+  var vectorOfSizeStartLoc = {
+    line: -1,
+    column: sizeEndLoc.column
+  };
+  var vectorOfSizeEndLoc = {
+    line: -1,
+    column: sizeEndLoc.column + 1
+  };
+  var vectorOfSize = t.withLoc(t.numberLiteralFromRaw(0), vectorOfSizeEndLoc, vectorOfSizeStartLoc);
+  var sectionMetadata = t.sectionMetadata(section, start, size, vectorOfSize);
+  var sectionBytes = (0, _wasmGen.encodeNode)(sectionMetadata);
+  uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start - 1, end, sectionBytes); // Add section into the AST for later lookups
+
+  if (_typeof(ast.body[0].metadata) === "object") {
+    // $FlowIgnore: metadata can not be empty
+    ast.body[0].metadata.sections.push(sectionMetadata);
+    t.sortSectionMetadata(ast.body[0]);
+  }
+  /**
+   * Update AST
+   */
+  // Once we hit our section every that is after needs to be shifted by the delta
+
+
+  var deltaBytes = +sectionBytes.length;
+  var encounteredSection = false;
+  t.traverse(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        t.shiftSection(ast, path.node, deltaBytes);
+      }
+    }
+  });
+  return {
+    uint8Buffer: uint8Buffer,
+    sectionMetadata: sectionMetadata
+  };
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/lib/index.js b/node_modules/@webassemblyjs/helper-wasm-section/lib/index.js
new file mode 100644
index 00000000..3c7963c4
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/lib/index.js
@@ -0,0 +1,35 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "resizeSectionByteSize", {
+  enumerable: true,
+  get: function get() {
+    return _resize.resizeSectionByteSize;
+  }
+});
+Object.defineProperty(exports, "resizeSectionVecSize", {
+  enumerable: true,
+  get: function get() {
+    return _resize.resizeSectionVecSize;
+  }
+});
+Object.defineProperty(exports, "createEmptySection", {
+  enumerable: true,
+  get: function get() {
+    return _create.createEmptySection;
+  }
+});
+Object.defineProperty(exports, "removeSections", {
+  enumerable: true,
+  get: function get() {
+    return _remove.removeSections;
+  }
+});
+
+var _resize = require("./resize");
+
+var _create = require("./create");
+
+var _remove = require("./remove");
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/lib/remove.js b/node_modules/@webassemblyjs/helper-wasm-section/lib/remove.js
new file mode 100644
index 00000000..008f5d69
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/lib/remove.js
@@ -0,0 +1,45 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.removeSections = removeSections;
+
+var _ast = require("@webassemblyjs/ast");
+
+var _helperBuffer = require("@webassemblyjs/helper-buffer");
+
+function removeSections(ast, uint8Buffer, section) {
+  var sectionMetadatas = (0, _ast.getSectionMetadatas)(ast, section);
+
+  if (sectionMetadatas.length === 0) {
+    throw new Error("Section metadata not found");
+  }
+
+  return sectionMetadatas.reverse().reduce(function (uint8Buffer, sectionMetadata) {
+    var startsIncludingId = sectionMetadata.startOffset - 1;
+    var ends = section === "start" ? sectionMetadata.size.loc.end.column + 1 : sectionMetadata.startOffset + sectionMetadata.size.value + 1;
+    var delta = -(ends - startsIncludingId);
+    /**
+     * update AST
+     */
+    // Once we hit our section every that is after needs to be shifted by the delta
+
+    var encounteredSection = false;
+    (0, _ast.traverse)(ast, {
+      SectionMetadata: function SectionMetadata(path) {
+        if (path.node.section === section) {
+          encounteredSection = true;
+          return path.remove();
+        }
+
+        if (encounteredSection === true) {
+          (0, _ast.shiftSection)(ast, path.node, delta);
+        }
+      }
+    }); // replacement is nothing
+
+    var replacement = [];
+    return (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, startsIncludingId, ends, replacement);
+  }, uint8Buffer);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/lib/resize.js b/node_modules/@webassemblyjs/helper-wasm-section/lib/resize.js
new file mode 100644
index 00000000..524cacb9
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/lib/resize.js
@@ -0,0 +1,90 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.resizeSectionByteSize = resizeSectionByteSize;
+exports.resizeSectionVecSize = resizeSectionVecSize;
+
+var _wasmGen = require("@webassemblyjs/wasm-gen");
+
+var _ast = require("@webassemblyjs/ast");
+
+var _helperBuffer = require("@webassemblyjs/helper-buffer");
+
+function resizeSectionByteSize(ast, uint8Buffer, section, deltaBytes) {
+  var sectionMetadata = (0, _ast.getSectionMetadata)(ast, section);
+
+  if (typeof sectionMetadata === "undefined") {
+    throw new Error("Section metadata not found");
+  }
+
+  if (typeof sectionMetadata.size.loc === "undefined") {
+    throw new Error("SectionMetadata " + section + " has no loc");
+  } // keep old node location to be overriden
+
+
+  var start = sectionMetadata.size.loc.start.column;
+  var end = sectionMetadata.size.loc.end.column;
+  var newSectionSize = sectionMetadata.size.value + deltaBytes;
+  var newBytes = (0, _wasmGen.encodeU32)(newSectionSize);
+  /**
+   * update AST
+   */
+
+  sectionMetadata.size.value = newSectionSize;
+  var oldu32EncodedLen = end - start;
+  var newu32EncodedLen = newBytes.length; // the new u32 has a different encoded length
+
+  if (newu32EncodedLen !== oldu32EncodedLen) {
+    var deltaInSizeEncoding = newu32EncodedLen - oldu32EncodedLen;
+    sectionMetadata.size.loc.end.column = start + newu32EncodedLen;
+    deltaBytes += deltaInSizeEncoding; // move the vec size pointer size the section size is now smaller
+
+    sectionMetadata.vectorOfSize.loc.start.column += deltaInSizeEncoding;
+    sectionMetadata.vectorOfSize.loc.end.column += deltaInSizeEncoding;
+  } // Once we hit our section every that is after needs to be shifted by the delta
+
+
+  var encounteredSection = false;
+  (0, _ast.traverse)(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        (0, _ast.shiftSection)(ast, path.node, deltaBytes);
+      }
+    }
+  });
+  return (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start, end, newBytes);
+}
+
+function resizeSectionVecSize(ast, uint8Buffer, section, deltaElements) {
+  var sectionMetadata = (0, _ast.getSectionMetadata)(ast, section);
+
+  if (typeof sectionMetadata === "undefined") {
+    throw new Error("Section metadata not found");
+  }
+
+  if (typeof sectionMetadata.vectorOfSize.loc === "undefined") {
+    throw new Error("SectionMetadata " + section + " has no loc");
+  } // Section has no vector
+
+
+  if (sectionMetadata.vectorOfSize.value === -1) {
+    return uint8Buffer;
+  } // keep old node location to be overriden
+
+
+  var start = sectionMetadata.vectorOfSize.loc.start.column;
+  var end = sectionMetadata.vectorOfSize.loc.end.column;
+  var newValue = sectionMetadata.vectorOfSize.value + deltaElements;
+  var newBytes = (0, _wasmGen.encodeU32)(newValue); // Update AST
+
+  sectionMetadata.vectorOfSize.value = newValue;
+  sectionMetadata.vectorOfSize.loc.end.column = start + newBytes.length;
+  return (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start, end, newBytes);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/helper-wasm-section/package.json b/node_modules/@webassemblyjs/helper-wasm-section/package.json
new file mode 100644
index 00000000..da1fd7a6
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-wasm-section/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@webassemblyjs/helper-wasm-section",
+  "version": "1.9.0",
+  "description": "",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-buffer": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+    "@webassemblyjs/wasm-gen": "1.9.0"
+  },
+  "devDependencies": {
+    "@webassemblyjs/wasm-parser": "1.9.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/ieee754/LICENSE b/node_modules/@webassemblyjs/ieee754/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/ieee754/esm/index.js b/node_modules/@webassemblyjs/ieee754/esm/index.js
new file mode 100644
index 00000000..88d9d4c9
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/esm/index.js
@@ -0,0 +1,33 @@
+import { write, read } from "@xtuc/ieee754";
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 32/8
+ */
+
+export var NUMBER_OF_BYTE_F32 = 4;
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 64/8
+ */
+
+export var NUMBER_OF_BYTE_F64 = 8;
+export var SINGLE_PRECISION_MANTISSA = 23;
+export var DOUBLE_PRECISION_MANTISSA = 52;
+export function encodeF32(v) {
+  var buffer = [];
+  write(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+  return buffer;
+}
+export function encodeF64(v) {
+  var buffer = [];
+  write(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+  return buffer;
+}
+export function decodeF32(bytes) {
+  var buffer = Buffer.from(bytes);
+  return read(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+}
+export function decodeF64(bytes) {
+  var buffer = Buffer.from(bytes);
+  return read(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ieee754/lib/index.js b/node_modules/@webassemblyjs/ieee754/lib/index.js
new file mode 100644
index 00000000..27b9e22a
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/lib/index.js
@@ -0,0 +1,52 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.encodeF32 = encodeF32;
+exports.encodeF64 = encodeF64;
+exports.decodeF32 = decodeF32;
+exports.decodeF64 = decodeF64;
+exports.DOUBLE_PRECISION_MANTISSA = exports.SINGLE_PRECISION_MANTISSA = exports.NUMBER_OF_BYTE_F64 = exports.NUMBER_OF_BYTE_F32 = void 0;
+
+var _ieee = require("@xtuc/ieee754");
+
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 32/8
+ */
+var NUMBER_OF_BYTE_F32 = 4;
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 64/8
+ */
+
+exports.NUMBER_OF_BYTE_F32 = NUMBER_OF_BYTE_F32;
+var NUMBER_OF_BYTE_F64 = 8;
+exports.NUMBER_OF_BYTE_F64 = NUMBER_OF_BYTE_F64;
+var SINGLE_PRECISION_MANTISSA = 23;
+exports.SINGLE_PRECISION_MANTISSA = SINGLE_PRECISION_MANTISSA;
+var DOUBLE_PRECISION_MANTISSA = 52;
+exports.DOUBLE_PRECISION_MANTISSA = DOUBLE_PRECISION_MANTISSA;
+
+function encodeF32(v) {
+  var buffer = [];
+  (0, _ieee.write)(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+  return buffer;
+}
+
+function encodeF64(v) {
+  var buffer = [];
+  (0, _ieee.write)(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+  return buffer;
+}
+
+function decodeF32(bytes) {
+  var buffer = Buffer.from(bytes);
+  return (0, _ieee.read)(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+}
+
+function decodeF64(bytes) {
+  var buffer = Buffer.from(bytes);
+  return (0, _ieee.read)(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/ieee754/package.json b/node_modules/@webassemblyjs/ieee754/package.json
new file mode 100644
index 00000000..a59cdb2f
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@webassemblyjs/ieee754",
+  "version": "1.9.0",
+  "description": "IEEE754 decoder and encoder",
+  "license": "MIT",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "dependencies": {
+    "@xtuc/ieee754": "^1.2.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/ieee754/src/index.js b/node_modules/@webassemblyjs/ieee754/src/index.js
new file mode 100644
index 00000000..c8540a5a
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/src/index.js
@@ -0,0 +1,47 @@
+// @flow
+
+import { write, read } from "@xtuc/ieee754";
+
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 32/8
+ */
+export const NUMBER_OF_BYTE_F32 = 4;
+
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 64/8
+ */
+export const NUMBER_OF_BYTE_F64 = 8;
+
+export const SINGLE_PRECISION_MANTISSA = 23;
+
+export const DOUBLE_PRECISION_MANTISSA = 52;
+
+export function encodeF32(v: number): Array<number> {
+  const buffer = [];
+
+  write(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+
+  return buffer;
+}
+
+export function encodeF64(v: number): Array<number> {
+  const buffer = [];
+
+  write(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+
+  return buffer;
+}
+
+export function decodeF32(bytes: Array<Byte>): number {
+  const buffer = Buffer.from(bytes);
+
+  return read(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+}
+
+export function decodeF64(bytes: Array<Byte>): number {
+  const buffer = Buffer.from(bytes);
+
+  return read(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+}
diff --git a/node_modules/@webassemblyjs/leb128/LICENSE.txt b/node_modules/@webassemblyjs/leb128/LICENSE.txt
new file mode 100644
index 00000000..55e332a8
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/LICENSE.txt
@@ -0,0 +1,194 @@
+Copyright 2012 The Obvious Corporation.
+http://obvious.com/
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
+-------------------------------------------------------------------------
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
+
+   "Licensor" shall mean the copyright owner or entity authorized by
+   the copyright owner that is granting the License.
+
+   "Legal Entity" shall mean the union of the acting entity and all
+   other entities that control, are controlled by, or are under common
+   control with that entity. For the purposes of this definition,
+   "control" means (i) the power, direct or indirect, to cause the
+   direction or management of such entity, whether by contract or
+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
+   outstanding shares, or (iii) beneficial ownership of such entity.
+
+   "You" (or "Your") shall mean an individual or Legal Entity
+   exercising permissions granted by this License.
+
+   "Source" form shall mean the preferred form for making modifications,
+   including but not limited to software source code, documentation
+   source, and configuration files.
+
+   "Object" form shall mean any form resulting from mechanical
+   transformation or translation of a Source form, including but
+   not limited to compiled object code, generated documentation,
+   and conversions to other media types.
+
+   "Work" shall mean the work of authorship, whether in Source or
+   Object form, made available under the License, as indicated by a
+   copyright notice that is included in or attached to the work
+   (an example is provided in the Appendix below).
+
+   "Derivative Works" shall mean any work, whether in Source or Object
+   form, that is based on (or derived from) the Work and for which the
+   editorial revisions, annotations, elaborations, or other modifications
+   represent, as a whole, an original work of authorship. For the purposes
+   of this License, Derivative Works shall not include works that remain
+   separable from, or merely link (or bind by name) to the interfaces of,
+   the Work and Derivative Works thereof.
+
+   "Contribution" shall mean any work of authorship, including
+   the original version of the Work and any modifications or additions
+   to that Work or Derivative Works thereof, that is intentionally
+   submitted to Licensor for inclusion in the Work by the copyright owner
+   or by an individual or Legal Entity authorized to submit on behalf of
+   the copyright owner. For the purposes of this definition, "submitted"
+   means any form of electronic, verbal, or written communication sent
+   to the Licensor or its representatives, including but not limited to
+   communication on electronic mailing lists, source code control systems,
+   and issue tracking systems that are managed by, or on behalf of, the
+   Licensor for the purpose of discussing and improving the Work, but
+   excluding communication that is conspicuously marked or otherwise
+   designated in writing by the copyright owner as "Not a Contribution."
+
+   "Contributor" shall mean Licensor and any individual or Legal Entity
+   on behalf of whom a Contribution has been received by Licensor and
+   subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of
+   this License, each Contributor hereby grants to You a perpetual,
+   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+   copyright license to reproduce, prepare Derivative Works of,
+   publicly display, publicly perform, sublicense, and distribute the
+   Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of
+   this License, each Contributor hereby grants to You a perpetual,
+   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+   (except as stated in this section) patent license to make, have made,
+   use, offer to sell, sell, import, and otherwise transfer the Work,
+   where such license applies only to those patent claims licensable
+   by such Contributor that are necessarily infringed by their
+   Contribution(s) alone or by combination of their Contribution(s)
+   with the Work to which such Contribution(s) was submitted. If You
+   institute patent litigation against any entity (including a
+   cross-claim or counterclaim in a lawsuit) alleging that the Work
+   or a Contribution incorporated within the Work constitutes direct
+   or contributory patent infringement, then any patent licenses
+   granted to You under this License for that Work shall terminate
+   as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the
+   Work or Derivative Works thereof in any medium, with or without
+   modifications, and in Source or Object form, provided that You
+   meet the following conditions:
+
+   (a) You must give any other recipients of the Work or
+       Derivative Works a copy of this License; and
+
+   (b) You must cause any modified files to carry prominent notices
+       stating that You changed the files; and
+
+   (c) You must retain, in the Source form of any Derivative Works
+       that You distribute, all copyright, patent, trademark, and
+       attribution notices from the Source form of the Work,
+       excluding those notices that do not pertain to any part of
+       the Derivative Works; and
+
+   (d) If the Work includes a "NOTICE" text file as part of its
+       distribution, then any Derivative Works that You distribute must
+       include a readable copy of the attribution notices contained
+       within such NOTICE file, excluding those notices that do not
+       pertain to any part of the Derivative Works, in at least one
+       of the following places: within a NOTICE text file distributed
+       as part of the Derivative Works; within the Source form or
+       documentation, if provided along with the Derivative Works; or,
+       within a display generated by the Derivative Works, if and
+       wherever such third-party notices normally appear. The contents
+       of the NOTICE file are for informational purposes only and
+       do not modify the License. You may add Your own attribution
+       notices within Derivative Works that You distribute, alongside
+       or as an addendum to the NOTICE text from the Work, provided
+       that such additional attribution notices cannot be construed
+       as modifying the License.
+
+   You may add Your own copyright statement to Your modifications and
+   may provide additional or different license terms and conditions
+   for use, reproduction, or distribution of Your modifications, or
+   for any such Derivative Works as a whole, provided Your use,
+   reproduction, and distribution of the Work otherwise complies with
+   the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise,
+   any Contribution intentionally submitted for inclusion in the Work
+   by You to the Licensor shall be under the terms and conditions of
+   this License, without any additional terms or conditions.
+   Notwithstanding the above, nothing herein shall supersede or modify
+   the terms of any separate license agreement you may have executed
+   with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade
+   names, trademarks, service marks, or product names of the Licensor,
+   except as required for reasonable and customary use in describing the
+   origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or
+   agreed to in writing, Licensor provides the Work (and each
+   Contributor provides its Contributions) on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+   implied, including, without limitation, any warranties or conditions
+   of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+   PARTICULAR PURPOSE. You are solely responsible for determining the
+   appropriateness of using or redistributing the Work and assume any
+   risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory,
+   whether in tort (including negligence), contract, or otherwise,
+   unless required by applicable law (such as deliberate and grossly
+   negligent acts) or agreed to in writing, shall any Contributor be
+   liable to You for damages, including any direct, indirect, special,
+   incidental, or consequential damages of any character arising as a
+   result of this License or out of the use or inability to use the
+   Work (including but not limited to damages for loss of goodwill,
+   work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses), even if such Contributor
+   has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
+   and charge a fee for, acceptance of support, warranty, indemnity,
+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
diff --git a/node_modules/@webassemblyjs/leb128/esm/bits.js b/node_modules/@webassemblyjs/leb128/esm/bits.js
new file mode 100644
index 00000000..4c763cd3
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/esm/bits.js
@@ -0,0 +1,145 @@
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * bits: Bitwise buffer utilities. The utilities here treat a buffer
+ * as a little-endian bigint, so the lowest-order bit is bit #0 of
+ * `buffer[0]`, and the highest-order bit is bit #7 of
+ * `buffer[buffer.length - 1]`.
+ */
+
+/*
+ * Modules used
+ */
+"use strict";
+/*
+ * Exported bindings
+ */
+
+/**
+ * Extracts the given number of bits from the buffer at the indicated
+ * index, returning a simple number as the result. If bits are requested
+ * that aren't covered by the buffer, the `defaultBit` is used as their
+ * value.
+ *
+ * The `bitLength` must be no more than 32. The `defaultBit` if not
+ * specified is taken to be `0`.
+ */
+
+export function extract(buffer, bitIndex, bitLength, defaultBit) {
+  if (bitLength < 0 || bitLength > 32) {
+    throw new Error("Bad value for bitLength.");
+  }
+
+  if (defaultBit === undefined) {
+    defaultBit = 0;
+  } else if (defaultBit !== 0 && defaultBit !== 1) {
+    throw new Error("Bad value for defaultBit.");
+  }
+
+  var defaultByte = defaultBit * 0xff;
+  var result = 0; // All starts are inclusive. The {endByte, endBit} pair is exclusive, but
+  // if endBit !== 0, then endByte is inclusive.
+
+  var lastBit = bitIndex + bitLength;
+  var startByte = Math.floor(bitIndex / 8);
+  var startBit = bitIndex % 8;
+  var endByte = Math.floor(lastBit / 8);
+  var endBit = lastBit % 8;
+
+  if (endBit !== 0) {
+    // `(1 << endBit) - 1` is the mask of all bits up to but not including
+    // the endBit.
+    result = get(endByte) & (1 << endBit) - 1;
+  }
+
+  while (endByte > startByte) {
+    endByte--;
+    result = result << 8 | get(endByte);
+  }
+
+  result >>>= startBit;
+  return result;
+
+  function get(index) {
+    var result = buffer[index];
+    return result === undefined ? defaultByte : result;
+  }
+}
+/**
+ * Injects the given bits into the given buffer at the given index. Any
+ * bits in the value beyond the length to set are ignored.
+ */
+
+export function inject(buffer, bitIndex, bitLength, value) {
+  if (bitLength < 0 || bitLength > 32) {
+    throw new Error("Bad value for bitLength.");
+  }
+
+  var lastByte = Math.floor((bitIndex + bitLength - 1) / 8);
+
+  if (bitIndex < 0 || lastByte >= buffer.length) {
+    throw new Error("Index out of range.");
+  } // Just keeping it simple, until / unless profiling shows that this
+  // is a problem.
+
+
+  var atByte = Math.floor(bitIndex / 8);
+  var atBit = bitIndex % 8;
+
+  while (bitLength > 0) {
+    if (value & 1) {
+      buffer[atByte] |= 1 << atBit;
+    } else {
+      buffer[atByte] &= ~(1 << atBit);
+    }
+
+    value >>= 1;
+    bitLength--;
+    atBit = (atBit + 1) % 8;
+
+    if (atBit === 0) {
+      atByte++;
+    }
+  }
+}
+/**
+ * Gets the sign bit of the given buffer.
+ */
+
+export function getSign(buffer) {
+  return buffer[buffer.length - 1] >>> 7;
+}
+/**
+ * Gets the zero-based bit number of the highest-order bit with the
+ * given value in the given buffer.
+ *
+ * If the buffer consists entirely of the other bit value, then this returns
+ * `-1`.
+ */
+
+export function highOrder(bit, buffer) {
+  var length = buffer.length;
+  var fullyWrongByte = (bit ^ 1) * 0xff; // the other-bit extended to a full byte
+
+  while (length > 0 && buffer[length - 1] === fullyWrongByte) {
+    length--;
+  }
+
+  if (length === 0) {
+    // Degenerate case. The buffer consists entirely of ~bit.
+    return -1;
+  }
+
+  var byteToCheck = buffer[length - 1];
+  var result = length * 8 - 1;
+
+  for (var i = 7; i > 0; i--) {
+    if ((byteToCheck >> i & 1) === bit) {
+      break;
+    }
+
+    result--;
+  }
+
+  return result;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/esm/bufs.js b/node_modules/@webassemblyjs/leb128/esm/bufs.js
new file mode 100644
index 00000000..7e2a2bf5
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/esm/bufs.js
@@ -0,0 +1,218 @@
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * bufs: Buffer utilities.
+ */
+
+/*
+ * Module variables
+ */
+
+/** Pool of buffers, where `bufPool[x].length === x`. */
+var bufPool = [];
+/** Maximum length of kept temporary buffers. */
+
+var TEMP_BUF_MAXIMUM_LENGTH = 20;
+/** Minimum exactly-representable 64-bit int. */
+
+var MIN_EXACT_INT64 = -0x8000000000000000;
+/** Maximum exactly-representable 64-bit int. */
+
+var MAX_EXACT_INT64 = 0x7ffffffffffffc00;
+/** Maximum exactly-representable 64-bit uint. */
+
+var MAX_EXACT_UINT64 = 0xfffffffffffff800;
+/**
+ * The int value consisting just of a 1 in bit #32 (that is, one more
+ * than the maximum 32-bit unsigned value).
+ */
+
+var BIT_32 = 0x100000000;
+/**
+ * The int value consisting just of a 1 in bit #64 (that is, one more
+ * than the maximum 64-bit unsigned value).
+ */
+
+var BIT_64 = 0x10000000000000000;
+/*
+ * Helper functions
+ */
+
+/**
+ * Masks off all but the lowest bit set of the given number.
+ */
+
+function lowestBit(num) {
+  return num & -num;
+}
+/**
+ * Gets whether trying to add the second number to the first is lossy
+ * (inexact). The first number is meant to be an accumulated result.
+ */
+
+
+function isLossyToAdd(accum, num) {
+  if (num === 0) {
+    return false;
+  }
+
+  var lowBit = lowestBit(num);
+  var added = accum + lowBit;
+
+  if (added === accum) {
+    return true;
+  }
+
+  if (added - lowBit !== accum) {
+    return true;
+  }
+
+  return false;
+}
+/*
+ * Exported functions
+ */
+
+/**
+ * Allocates a buffer of the given length, which is initialized
+ * with all zeroes. This returns a buffer from the pool if it is
+ * available, or a freshly-allocated buffer if not.
+ */
+
+
+export function alloc(length) {
+  var result = bufPool[length];
+
+  if (result) {
+    bufPool[length] = undefined;
+  } else {
+    result = new Buffer(length);
+  }
+
+  result.fill(0);
+  return result;
+}
+/**
+ * Releases a buffer back to the pool.
+ */
+
+export function free(buffer) {
+  var length = buffer.length;
+
+  if (length < TEMP_BUF_MAXIMUM_LENGTH) {
+    bufPool[length] = buffer;
+  }
+}
+/**
+ * Resizes a buffer, returning a new buffer. Returns the argument if
+ * the length wouldn't actually change. This function is only safe to
+ * use if the given buffer was allocated within this module (since
+ * otherwise the buffer might possibly be shared externally).
+ */
+
+export function resize(buffer, length) {
+  if (length === buffer.length) {
+    return buffer;
+  }
+
+  var newBuf = alloc(length);
+  buffer.copy(newBuf);
+  free(buffer);
+  return newBuf;
+}
+/**
+ * Reads an arbitrary signed int from a buffer.
+ */
+
+export function readInt(buffer) {
+  var length = buffer.length;
+  var positive = buffer[length - 1] < 0x80;
+  var result = positive ? 0 : -1;
+  var lossy = false; // Note: We can't use bit manipulation here, since that stops
+  // working if the result won't fit in a 32-bit int.
+
+  if (length < 7) {
+    // Common case which can't possibly be lossy (because the result has
+    // no more than 48 bits, and loss only happens with 54 or more).
+    for (var i = length - 1; i >= 0; i--) {
+      result = result * 0x100 + buffer[i];
+    }
+  } else {
+    for (var _i = length - 1; _i >= 0; _i--) {
+      var one = buffer[_i];
+      result *= 0x100;
+
+      if (isLossyToAdd(result, one)) {
+        lossy = true;
+      }
+
+      result += one;
+    }
+  }
+
+  return {
+    value: result,
+    lossy: lossy
+  };
+}
+/**
+ * Reads an arbitrary unsigned int from a buffer.
+ */
+
+export function readUInt(buffer) {
+  var length = buffer.length;
+  var result = 0;
+  var lossy = false; // Note: See above in re bit manipulation.
+
+  if (length < 7) {
+    // Common case which can't possibly be lossy (see above).
+    for (var i = length - 1; i >= 0; i--) {
+      result = result * 0x100 + buffer[i];
+    }
+  } else {
+    for (var _i2 = length - 1; _i2 >= 0; _i2--) {
+      var one = buffer[_i2];
+      result *= 0x100;
+
+      if (isLossyToAdd(result, one)) {
+        lossy = true;
+      }
+
+      result += one;
+    }
+  }
+
+  return {
+    value: result,
+    lossy: lossy
+  };
+}
+/**
+ * Writes a little-endian 64-bit signed int into a buffer.
+ */
+
+export function writeInt64(value, buffer) {
+  if (value < MIN_EXACT_INT64 || value > MAX_EXACT_INT64) {
+    throw new Error("Value out of range.");
+  }
+
+  if (value < 0) {
+    value += BIT_64;
+  }
+
+  writeUInt64(value, buffer);
+}
+/**
+ * Writes a little-endian 64-bit unsigned int into a buffer.
+ */
+
+export function writeUInt64(value, buffer) {
+  if (value < 0 || value > MAX_EXACT_UINT64) {
+    throw new Error("Value out of range.");
+  }
+
+  var lowWord = value % BIT_32;
+  var highWord = Math.floor(value / BIT_32);
+  buffer.writeUInt32LE(lowWord, 0);
+  buffer.writeUInt32LE(highWord, 4);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/esm/index.js b/node_modules/@webassemblyjs/leb128/esm/index.js
new file mode 100644
index 00000000..7ee23faf
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/esm/index.js
@@ -0,0 +1,34 @@
+import leb from "./leb";
+/**
+ * According to https://webassembly.github.io/spec/core/binary/values.html#binary-int
+ * max = ceil(32/7)
+ */
+
+export var MAX_NUMBER_OF_BYTE_U32 = 5;
+/**
+ * According to https://webassembly.github.io/spec/core/binary/values.html#binary-int
+ * max = ceil(64/7)
+ */
+
+export var MAX_NUMBER_OF_BYTE_U64 = 10;
+export function decodeInt64(encodedBuffer, index) {
+  return leb.decodeInt64(encodedBuffer, index);
+}
+export function decodeUInt64(encodedBuffer, index) {
+  return leb.decodeUInt64(encodedBuffer, index);
+}
+export function decodeInt32(encodedBuffer, index) {
+  return leb.decodeInt32(encodedBuffer, index);
+}
+export function decodeUInt32(encodedBuffer, index) {
+  return leb.decodeUInt32(encodedBuffer, index);
+}
+export function encodeU32(v) {
+  return leb.encodeUInt32(v);
+}
+export function encodeI32(v) {
+  return leb.encodeInt32(v);
+}
+export function encodeI64(v) {
+  return leb.encodeInt64(v);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/esm/leb.js b/node_modules/@webassemblyjs/leb128/esm/leb.js
new file mode 100644
index 00000000..1b6ee095
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/esm/leb.js
@@ -0,0 +1,316 @@
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * leb: LEB128 utilities.
+ */
+
+/*
+ * Modules used
+ */
+"use strict";
+
+import Long from "@xtuc/long";
+import * as bits from "./bits";
+import * as bufs from "./bufs";
+/*
+ * Module variables
+ */
+
+/** The minimum possible 32-bit signed int. */
+
+var MIN_INT32 = -0x80000000;
+/** The maximum possible 32-bit signed int. */
+
+var MAX_INT32 = 0x7fffffff;
+/** The maximum possible 32-bit unsigned int. */
+
+var MAX_UINT32 = 0xffffffff;
+/** The minimum possible 64-bit signed int. */
+// const MIN_INT64 = -0x8000000000000000;
+
+/**
+ * The maximum possible 64-bit signed int that is representable as a
+ * JavaScript number.
+ */
+// const MAX_INT64 = 0x7ffffffffffffc00;
+
+/**
+ * The maximum possible 64-bit unsigned int that is representable as a
+ * JavaScript number.
+ */
+// const MAX_UINT64 = 0xfffffffffffff800;
+
+/*
+ * Helper functions
+ */
+
+/**
+ * Determines the number of bits required to encode the number
+ * represented in the given buffer as a signed value. The buffer is
+ * taken to represent a signed number in little-endian form.
+ *
+ * The number of bits to encode is the (zero-based) bit number of the
+ * highest-order non-sign-matching bit, plus two. For example:
+ *
+ *   11111011 01110101
+ *   high          low
+ *
+ * The sign bit here is 1 (that is, it's a negative number). The highest
+ * bit number that doesn't match the sign is bit #10 (where the lowest-order
+ * bit is bit #0). So, we have to encode at least 12 bits total.
+ *
+ * As a special degenerate case, the numbers 0 and -1 each require just one bit.
+ */
+
+function signedBitCount(buffer) {
+  return bits.highOrder(bits.getSign(buffer) ^ 1, buffer) + 2;
+}
+/**
+ * Determines the number of bits required to encode the number
+ * represented in the given buffer as an unsigned value. The buffer is
+ * taken to represent an unsigned number in little-endian form.
+ *
+ * The number of bits to encode is the (zero-based) bit number of the
+ * highest-order 1 bit, plus one. For example:
+ *
+ *   00011000 01010011
+ *   high          low
+ *
+ * The highest-order 1 bit here is bit #12 (where the lowest-order bit
+ * is bit #0). So, we have to encode at least 13 bits total.
+ *
+ * As a special degenerate case, the number 0 requires 1 bit.
+ */
+
+
+function unsignedBitCount(buffer) {
+  var result = bits.highOrder(1, buffer) + 1;
+  return result ? result : 1;
+}
+/**
+ * Common encoder for both signed and unsigned ints. This takes a
+ * bigint-ish buffer, returning an LEB128-encoded buffer.
+ */
+
+
+function encodeBufferCommon(buffer, signed) {
+  var signBit;
+  var bitCount;
+
+  if (signed) {
+    signBit = bits.getSign(buffer);
+    bitCount = signedBitCount(buffer);
+  } else {
+    signBit = 0;
+    bitCount = unsignedBitCount(buffer);
+  }
+
+  var byteCount = Math.ceil(bitCount / 7);
+  var result = bufs.alloc(byteCount);
+
+  for (var i = 0; i < byteCount; i++) {
+    var payload = bits.extract(buffer, i * 7, 7, signBit);
+    result[i] = payload | 0x80;
+  } // Mask off the top bit of the last byte, to indicate the end of the
+  // encoding.
+
+
+  result[byteCount - 1] &= 0x7f;
+  return result;
+}
+/**
+ * Gets the byte-length of the value encoded in the given buffer at
+ * the given index.
+ */
+
+
+function encodedLength(encodedBuffer, index) {
+  var result = 0;
+
+  while (encodedBuffer[index + result] >= 0x80) {
+    result++;
+  }
+
+  result++; // to account for the last byte
+
+  if (index + result > encodedBuffer.length) {// FIXME(sven): seems to cause false positives
+    // throw new Error("integer representation too long");
+  }
+
+  return result;
+}
+/**
+ * Common decoder for both signed and unsigned ints. This takes an
+ * LEB128-encoded buffer, returning a bigint-ish buffer.
+ */
+
+
+function decodeBufferCommon(encodedBuffer, index, signed) {
+  index = index === undefined ? 0 : index;
+  var length = encodedLength(encodedBuffer, index);
+  var bitLength = length * 7;
+  var byteLength = Math.ceil(bitLength / 8);
+  var result = bufs.alloc(byteLength);
+  var outIndex = 0;
+
+  while (length > 0) {
+    bits.inject(result, outIndex, 7, encodedBuffer[index]);
+    outIndex += 7;
+    index++;
+    length--;
+  }
+
+  var signBit;
+  var signByte;
+
+  if (signed) {
+    // Sign-extend the last byte.
+    var lastByte = result[byteLength - 1];
+    var endBit = outIndex % 8;
+
+    if (endBit !== 0) {
+      var shift = 32 - endBit; // 32 because JS bit ops work on 32-bit ints.
+
+      lastByte = result[byteLength - 1] = lastByte << shift >> shift & 0xff;
+    }
+
+    signBit = lastByte >> 7;
+    signByte = signBit * 0xff;
+  } else {
+    signBit = 0;
+    signByte = 0;
+  } // Slice off any superfluous bytes, that is, ones that add no meaningful
+  // bits (because the value would be the same if they were removed).
+
+
+  while (byteLength > 1 && result[byteLength - 1] === signByte && (!signed || result[byteLength - 2] >> 7 === signBit)) {
+    byteLength--;
+  }
+
+  result = bufs.resize(result, byteLength);
+  return {
+    value: result,
+    nextIndex: index
+  };
+}
+/*
+ * Exported bindings
+ */
+
+
+function encodeIntBuffer(buffer) {
+  return encodeBufferCommon(buffer, true);
+}
+
+function decodeIntBuffer(encodedBuffer, index) {
+  return decodeBufferCommon(encodedBuffer, index, true);
+}
+
+function encodeInt32(num) {
+  var buf = bufs.alloc(4);
+  buf.writeInt32LE(num, 0);
+  var result = encodeIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeInt32(encodedBuffer, index) {
+  var result = decodeIntBuffer(encodedBuffer, index);
+  var parsed = bufs.readInt(result.value);
+  var value = parsed.value;
+  bufs.free(result.value);
+
+  if (value < MIN_INT32 || value > MAX_INT32) {
+    throw new Error("integer too large");
+  }
+
+  return {
+    value: value,
+    nextIndex: result.nextIndex
+  };
+}
+
+function encodeInt64(num) {
+  var buf = bufs.alloc(8);
+  bufs.writeInt64(num, buf);
+  var result = encodeIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeInt64(encodedBuffer, index) {
+  var result = decodeIntBuffer(encodedBuffer, index);
+  var value = Long.fromBytesLE(result.value, false);
+  bufs.free(result.value);
+  return {
+    value: value,
+    nextIndex: result.nextIndex,
+    lossy: false
+  };
+}
+
+function encodeUIntBuffer(buffer) {
+  return encodeBufferCommon(buffer, false);
+}
+
+function decodeUIntBuffer(encodedBuffer, index) {
+  return decodeBufferCommon(encodedBuffer, index, false);
+}
+
+function encodeUInt32(num) {
+  var buf = bufs.alloc(4);
+  buf.writeUInt32LE(num, 0);
+  var result = encodeUIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeUInt32(encodedBuffer, index) {
+  var result = decodeUIntBuffer(encodedBuffer, index);
+  var parsed = bufs.readUInt(result.value);
+  var value = parsed.value;
+  bufs.free(result.value);
+
+  if (value > MAX_UINT32) {
+    throw new Error("integer too large");
+  }
+
+  return {
+    value: value,
+    nextIndex: result.nextIndex
+  };
+}
+
+function encodeUInt64(num) {
+  var buf = bufs.alloc(8);
+  bufs.writeUInt64(num, buf);
+  var result = encodeUIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeUInt64(encodedBuffer, index) {
+  var result = decodeUIntBuffer(encodedBuffer, index);
+  var value = Long.fromBytesLE(result.value, true);
+  bufs.free(result.value);
+  return {
+    value: value,
+    nextIndex: result.nextIndex,
+    lossy: false
+  };
+}
+
+export default {
+  decodeInt32: decodeInt32,
+  decodeInt64: decodeInt64,
+  decodeIntBuffer: decodeIntBuffer,
+  decodeUInt32: decodeUInt32,
+  decodeUInt64: decodeUInt64,
+  decodeUIntBuffer: decodeUIntBuffer,
+  encodeInt32: encodeInt32,
+  encodeInt64: encodeInt64,
+  encodeIntBuffer: encodeIntBuffer,
+  encodeUInt32: encodeUInt32,
+  encodeUInt64: encodeUInt64,
+  encodeUIntBuffer: encodeUIntBuffer
+};
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/lib/bits.js b/node_modules/@webassemblyjs/leb128/lib/bits.js
new file mode 100644
index 00000000..5acf2460
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/lib/bits.js
@@ -0,0 +1,156 @@
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * bits: Bitwise buffer utilities. The utilities here treat a buffer
+ * as a little-endian bigint, so the lowest-order bit is bit #0 of
+ * `buffer[0]`, and the highest-order bit is bit #7 of
+ * `buffer[buffer.length - 1]`.
+ */
+
+/*
+ * Modules used
+ */
+"use strict";
+/*
+ * Exported bindings
+ */
+
+/**
+ * Extracts the given number of bits from the buffer at the indicated
+ * index, returning a simple number as the result. If bits are requested
+ * that aren't covered by the buffer, the `defaultBit` is used as their
+ * value.
+ *
+ * The `bitLength` must be no more than 32. The `defaultBit` if not
+ * specified is taken to be `0`.
+ */
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.extract = extract;
+exports.inject = inject;
+exports.getSign = getSign;
+exports.highOrder = highOrder;
+
+function extract(buffer, bitIndex, bitLength, defaultBit) {
+  if (bitLength < 0 || bitLength > 32) {
+    throw new Error("Bad value for bitLength.");
+  }
+
+  if (defaultBit === undefined) {
+    defaultBit = 0;
+  } else if (defaultBit !== 0 && defaultBit !== 1) {
+    throw new Error("Bad value for defaultBit.");
+  }
+
+  var defaultByte = defaultBit * 0xff;
+  var result = 0; // All starts are inclusive. The {endByte, endBit} pair is exclusive, but
+  // if endBit !== 0, then endByte is inclusive.
+
+  var lastBit = bitIndex + bitLength;
+  var startByte = Math.floor(bitIndex / 8);
+  var startBit = bitIndex % 8;
+  var endByte = Math.floor(lastBit / 8);
+  var endBit = lastBit % 8;
+
+  if (endBit !== 0) {
+    // `(1 << endBit) - 1` is the mask of all bits up to but not including
+    // the endBit.
+    result = get(endByte) & (1 << endBit) - 1;
+  }
+
+  while (endByte > startByte) {
+    endByte--;
+    result = result << 8 | get(endByte);
+  }
+
+  result >>>= startBit;
+  return result;
+
+  function get(index) {
+    var result = buffer[index];
+    return result === undefined ? defaultByte : result;
+  }
+}
+/**
+ * Injects the given bits into the given buffer at the given index. Any
+ * bits in the value beyond the length to set are ignored.
+ */
+
+
+function inject(buffer, bitIndex, bitLength, value) {
+  if (bitLength < 0 || bitLength > 32) {
+    throw new Error("Bad value for bitLength.");
+  }
+
+  var lastByte = Math.floor((bitIndex + bitLength - 1) / 8);
+
+  if (bitIndex < 0 || lastByte >= buffer.length) {
+    throw new Error("Index out of range.");
+  } // Just keeping it simple, until / unless profiling shows that this
+  // is a problem.
+
+
+  var atByte = Math.floor(bitIndex / 8);
+  var atBit = bitIndex % 8;
+
+  while (bitLength > 0) {
+    if (value & 1) {
+      buffer[atByte] |= 1 << atBit;
+    } else {
+      buffer[atByte] &= ~(1 << atBit);
+    }
+
+    value >>= 1;
+    bitLength--;
+    atBit = (atBit + 1) % 8;
+
+    if (atBit === 0) {
+      atByte++;
+    }
+  }
+}
+/**
+ * Gets the sign bit of the given buffer.
+ */
+
+
+function getSign(buffer) {
+  return buffer[buffer.length - 1] >>> 7;
+}
+/**
+ * Gets the zero-based bit number of the highest-order bit with the
+ * given value in the given buffer.
+ *
+ * If the buffer consists entirely of the other bit value, then this returns
+ * `-1`.
+ */
+
+
+function highOrder(bit, buffer) {
+  var length = buffer.length;
+  var fullyWrongByte = (bit ^ 1) * 0xff; // the other-bit extended to a full byte
+
+  while (length > 0 && buffer[length - 1] === fullyWrongByte) {
+    length--;
+  }
+
+  if (length === 0) {
+    // Degenerate case. The buffer consists entirely of ~bit.
+    return -1;
+  }
+
+  var byteToCheck = buffer[length - 1];
+  var result = length * 8 - 1;
+
+  for (var i = 7; i > 0; i--) {
+    if ((byteToCheck >> i & 1) === bit) {
+      break;
+    }
+
+    result--;
+  }
+
+  return result;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/lib/bufs.js b/node_modules/@webassemblyjs/leb128/lib/bufs.js
new file mode 100644
index 00000000..f9a176ed
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/lib/bufs.js
@@ -0,0 +1,236 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.alloc = alloc;
+exports.free = free;
+exports.resize = resize;
+exports.readInt = readInt;
+exports.readUInt = readUInt;
+exports.writeInt64 = writeInt64;
+exports.writeUInt64 = writeUInt64;
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * bufs: Buffer utilities.
+ */
+
+/*
+ * Module variables
+ */
+
+/** Pool of buffers, where `bufPool[x].length === x`. */
+var bufPool = [];
+/** Maximum length of kept temporary buffers. */
+
+var TEMP_BUF_MAXIMUM_LENGTH = 20;
+/** Minimum exactly-representable 64-bit int. */
+
+var MIN_EXACT_INT64 = -0x8000000000000000;
+/** Maximum exactly-representable 64-bit int. */
+
+var MAX_EXACT_INT64 = 0x7ffffffffffffc00;
+/** Maximum exactly-representable 64-bit uint. */
+
+var MAX_EXACT_UINT64 = 0xfffffffffffff800;
+/**
+ * The int value consisting just of a 1 in bit #32 (that is, one more
+ * than the maximum 32-bit unsigned value).
+ */
+
+var BIT_32 = 0x100000000;
+/**
+ * The int value consisting just of a 1 in bit #64 (that is, one more
+ * than the maximum 64-bit unsigned value).
+ */
+
+var BIT_64 = 0x10000000000000000;
+/*
+ * Helper functions
+ */
+
+/**
+ * Masks off all but the lowest bit set of the given number.
+ */
+
+function lowestBit(num) {
+  return num & -num;
+}
+/**
+ * Gets whether trying to add the second number to the first is lossy
+ * (inexact). The first number is meant to be an accumulated result.
+ */
+
+
+function isLossyToAdd(accum, num) {
+  if (num === 0) {
+    return false;
+  }
+
+  var lowBit = lowestBit(num);
+  var added = accum + lowBit;
+
+  if (added === accum) {
+    return true;
+  }
+
+  if (added - lowBit !== accum) {
+    return true;
+  }
+
+  return false;
+}
+/*
+ * Exported functions
+ */
+
+/**
+ * Allocates a buffer of the given length, which is initialized
+ * with all zeroes. This returns a buffer from the pool if it is
+ * available, or a freshly-allocated buffer if not.
+ */
+
+
+function alloc(length) {
+  var result = bufPool[length];
+
+  if (result) {
+    bufPool[length] = undefined;
+  } else {
+    result = new Buffer(length);
+  }
+
+  result.fill(0);
+  return result;
+}
+/**
+ * Releases a buffer back to the pool.
+ */
+
+
+function free(buffer) {
+  var length = buffer.length;
+
+  if (length < TEMP_BUF_MAXIMUM_LENGTH) {
+    bufPool[length] = buffer;
+  }
+}
+/**
+ * Resizes a buffer, returning a new buffer. Returns the argument if
+ * the length wouldn't actually change. This function is only safe to
+ * use if the given buffer was allocated within this module (since
+ * otherwise the buffer might possibly be shared externally).
+ */
+
+
+function resize(buffer, length) {
+  if (length === buffer.length) {
+    return buffer;
+  }
+
+  var newBuf = alloc(length);
+  buffer.copy(newBuf);
+  free(buffer);
+  return newBuf;
+}
+/**
+ * Reads an arbitrary signed int from a buffer.
+ */
+
+
+function readInt(buffer) {
+  var length = buffer.length;
+  var positive = buffer[length - 1] < 0x80;
+  var result = positive ? 0 : -1;
+  var lossy = false; // Note: We can't use bit manipulation here, since that stops
+  // working if the result won't fit in a 32-bit int.
+
+  if (length < 7) {
+    // Common case which can't possibly be lossy (because the result has
+    // no more than 48 bits, and loss only happens with 54 or more).
+    for (var i = length - 1; i >= 0; i--) {
+      result = result * 0x100 + buffer[i];
+    }
+  } else {
+    for (var _i = length - 1; _i >= 0; _i--) {
+      var one = buffer[_i];
+      result *= 0x100;
+
+      if (isLossyToAdd(result, one)) {
+        lossy = true;
+      }
+
+      result += one;
+    }
+  }
+
+  return {
+    value: result,
+    lossy: lossy
+  };
+}
+/**
+ * Reads an arbitrary unsigned int from a buffer.
+ */
+
+
+function readUInt(buffer) {
+  var length = buffer.length;
+  var result = 0;
+  var lossy = false; // Note: See above in re bit manipulation.
+
+  if (length < 7) {
+    // Common case which can't possibly be lossy (see above).
+    for (var i = length - 1; i >= 0; i--) {
+      result = result * 0x100 + buffer[i];
+    }
+  } else {
+    for (var _i2 = length - 1; _i2 >= 0; _i2--) {
+      var one = buffer[_i2];
+      result *= 0x100;
+
+      if (isLossyToAdd(result, one)) {
+        lossy = true;
+      }
+
+      result += one;
+    }
+  }
+
+  return {
+    value: result,
+    lossy: lossy
+  };
+}
+/**
+ * Writes a little-endian 64-bit signed int into a buffer.
+ */
+
+
+function writeInt64(value, buffer) {
+  if (value < MIN_EXACT_INT64 || value > MAX_EXACT_INT64) {
+    throw new Error("Value out of range.");
+  }
+
+  if (value < 0) {
+    value += BIT_64;
+  }
+
+  writeUInt64(value, buffer);
+}
+/**
+ * Writes a little-endian 64-bit unsigned int into a buffer.
+ */
+
+
+function writeUInt64(value, buffer) {
+  if (value < 0 || value > MAX_EXACT_UINT64) {
+    throw new Error("Value out of range.");
+  }
+
+  var lowWord = value % BIT_32;
+  var highWord = Math.floor(value / BIT_32);
+  buffer.writeUInt32LE(lowWord, 0);
+  buffer.writeUInt32LE(highWord, 4);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/lib/index.js b/node_modules/@webassemblyjs/leb128/lib/index.js
new file mode 100644
index 00000000..66875371
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/lib/index.js
@@ -0,0 +1,59 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decodeInt64 = decodeInt64;
+exports.decodeUInt64 = decodeUInt64;
+exports.decodeInt32 = decodeInt32;
+exports.decodeUInt32 = decodeUInt32;
+exports.encodeU32 = encodeU32;
+exports.encodeI32 = encodeI32;
+exports.encodeI64 = encodeI64;
+exports.MAX_NUMBER_OF_BYTE_U64 = exports.MAX_NUMBER_OF_BYTE_U32 = void 0;
+
+var _leb = _interopRequireDefault(require("./leb"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * According to https://webassembly.github.io/spec/core/binary/values.html#binary-int
+ * max = ceil(32/7)
+ */
+var MAX_NUMBER_OF_BYTE_U32 = 5;
+/**
+ * According to https://webassembly.github.io/spec/core/binary/values.html#binary-int
+ * max = ceil(64/7)
+ */
+
+exports.MAX_NUMBER_OF_BYTE_U32 = MAX_NUMBER_OF_BYTE_U32;
+var MAX_NUMBER_OF_BYTE_U64 = 10;
+exports.MAX_NUMBER_OF_BYTE_U64 = MAX_NUMBER_OF_BYTE_U64;
+
+function decodeInt64(encodedBuffer, index) {
+  return _leb.default.decodeInt64(encodedBuffer, index);
+}
+
+function decodeUInt64(encodedBuffer, index) {
+  return _leb.default.decodeUInt64(encodedBuffer, index);
+}
+
+function decodeInt32(encodedBuffer, index) {
+  return _leb.default.decodeInt32(encodedBuffer, index);
+}
+
+function decodeUInt32(encodedBuffer, index) {
+  return _leb.default.decodeUInt32(encodedBuffer, index);
+}
+
+function encodeU32(v) {
+  return _leb.default.encodeUInt32(v);
+}
+
+function encodeI32(v) {
+  return _leb.default.encodeInt32(v);
+}
+
+function encodeI64(v) {
+  return _leb.default.encodeInt64(v);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/lib/leb.js b/node_modules/@webassemblyjs/leb128/lib/leb.js
new file mode 100644
index 00000000..3c1d4aac
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/lib/leb.js
@@ -0,0 +1,332 @@
+// Copyright 2012 The Obvious Corporation.
+
+/*
+ * leb: LEB128 utilities.
+ */
+
+/*
+ * Modules used
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _long = _interopRequireDefault(require("@xtuc/long"));
+
+var bits = _interopRequireWildcard(require("./bits"));
+
+var bufs = _interopRequireWildcard(require("./bufs"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/*
+ * Module variables
+ */
+
+/** The minimum possible 32-bit signed int. */
+var MIN_INT32 = -0x80000000;
+/** The maximum possible 32-bit signed int. */
+
+var MAX_INT32 = 0x7fffffff;
+/** The maximum possible 32-bit unsigned int. */
+
+var MAX_UINT32 = 0xffffffff;
+/** The minimum possible 64-bit signed int. */
+// const MIN_INT64 = -0x8000000000000000;
+
+/**
+ * The maximum possible 64-bit signed int that is representable as a
+ * JavaScript number.
+ */
+// const MAX_INT64 = 0x7ffffffffffffc00;
+
+/**
+ * The maximum possible 64-bit unsigned int that is representable as a
+ * JavaScript number.
+ */
+// const MAX_UINT64 = 0xfffffffffffff800;
+
+/*
+ * Helper functions
+ */
+
+/**
+ * Determines the number of bits required to encode the number
+ * represented in the given buffer as a signed value. The buffer is
+ * taken to represent a signed number in little-endian form.
+ *
+ * The number of bits to encode is the (zero-based) bit number of the
+ * highest-order non-sign-matching bit, plus two. For example:
+ *
+ *   11111011 01110101
+ *   high          low
+ *
+ * The sign bit here is 1 (that is, it's a negative number). The highest
+ * bit number that doesn't match the sign is bit #10 (where the lowest-order
+ * bit is bit #0). So, we have to encode at least 12 bits total.
+ *
+ * As a special degenerate case, the numbers 0 and -1 each require just one bit.
+ */
+
+function signedBitCount(buffer) {
+  return bits.highOrder(bits.getSign(buffer) ^ 1, buffer) + 2;
+}
+/**
+ * Determines the number of bits required to encode the number
+ * represented in the given buffer as an unsigned value. The buffer is
+ * taken to represent an unsigned number in little-endian form.
+ *
+ * The number of bits to encode is the (zero-based) bit number of the
+ * highest-order 1 bit, plus one. For example:
+ *
+ *   00011000 01010011
+ *   high          low
+ *
+ * The highest-order 1 bit here is bit #12 (where the lowest-order bit
+ * is bit #0). So, we have to encode at least 13 bits total.
+ *
+ * As a special degenerate case, the number 0 requires 1 bit.
+ */
+
+
+function unsignedBitCount(buffer) {
+  var result = bits.highOrder(1, buffer) + 1;
+  return result ? result : 1;
+}
+/**
+ * Common encoder for both signed and unsigned ints. This takes a
+ * bigint-ish buffer, returning an LEB128-encoded buffer.
+ */
+
+
+function encodeBufferCommon(buffer, signed) {
+  var signBit;
+  var bitCount;
+
+  if (signed) {
+    signBit = bits.getSign(buffer);
+    bitCount = signedBitCount(buffer);
+  } else {
+    signBit = 0;
+    bitCount = unsignedBitCount(buffer);
+  }
+
+  var byteCount = Math.ceil(bitCount / 7);
+  var result = bufs.alloc(byteCount);
+
+  for (var i = 0; i < byteCount; i++) {
+    var payload = bits.extract(buffer, i * 7, 7, signBit);
+    result[i] = payload | 0x80;
+  } // Mask off the top bit of the last byte, to indicate the end of the
+  // encoding.
+
+
+  result[byteCount - 1] &= 0x7f;
+  return result;
+}
+/**
+ * Gets the byte-length of the value encoded in the given buffer at
+ * the given index.
+ */
+
+
+function encodedLength(encodedBuffer, index) {
+  var result = 0;
+
+  while (encodedBuffer[index + result] >= 0x80) {
+    result++;
+  }
+
+  result++; // to account for the last byte
+
+  if (index + result > encodedBuffer.length) {// FIXME(sven): seems to cause false positives
+    // throw new Error("integer representation too long");
+  }
+
+  return result;
+}
+/**
+ * Common decoder for both signed and unsigned ints. This takes an
+ * LEB128-encoded buffer, returning a bigint-ish buffer.
+ */
+
+
+function decodeBufferCommon(encodedBuffer, index, signed) {
+  index = index === undefined ? 0 : index;
+  var length = encodedLength(encodedBuffer, index);
+  var bitLength = length * 7;
+  var byteLength = Math.ceil(bitLength / 8);
+  var result = bufs.alloc(byteLength);
+  var outIndex = 0;
+
+  while (length > 0) {
+    bits.inject(result, outIndex, 7, encodedBuffer[index]);
+    outIndex += 7;
+    index++;
+    length--;
+  }
+
+  var signBit;
+  var signByte;
+
+  if (signed) {
+    // Sign-extend the last byte.
+    var lastByte = result[byteLength - 1];
+    var endBit = outIndex % 8;
+
+    if (endBit !== 0) {
+      var shift = 32 - endBit; // 32 because JS bit ops work on 32-bit ints.
+
+      lastByte = result[byteLength - 1] = lastByte << shift >> shift & 0xff;
+    }
+
+    signBit = lastByte >> 7;
+    signByte = signBit * 0xff;
+  } else {
+    signBit = 0;
+    signByte = 0;
+  } // Slice off any superfluous bytes, that is, ones that add no meaningful
+  // bits (because the value would be the same if they were removed).
+
+
+  while (byteLength > 1 && result[byteLength - 1] === signByte && (!signed || result[byteLength - 2] >> 7 === signBit)) {
+    byteLength--;
+  }
+
+  result = bufs.resize(result, byteLength);
+  return {
+    value: result,
+    nextIndex: index
+  };
+}
+/*
+ * Exported bindings
+ */
+
+
+function encodeIntBuffer(buffer) {
+  return encodeBufferCommon(buffer, true);
+}
+
+function decodeIntBuffer(encodedBuffer, index) {
+  return decodeBufferCommon(encodedBuffer, index, true);
+}
+
+function encodeInt32(num) {
+  var buf = bufs.alloc(4);
+  buf.writeInt32LE(num, 0);
+  var result = encodeIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeInt32(encodedBuffer, index) {
+  var result = decodeIntBuffer(encodedBuffer, index);
+  var parsed = bufs.readInt(result.value);
+  var value = parsed.value;
+  bufs.free(result.value);
+
+  if (value < MIN_INT32 || value > MAX_INT32) {
+    throw new Error("integer too large");
+  }
+
+  return {
+    value: value,
+    nextIndex: result.nextIndex
+  };
+}
+
+function encodeInt64(num) {
+  var buf = bufs.alloc(8);
+  bufs.writeInt64(num, buf);
+  var result = encodeIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeInt64(encodedBuffer, index) {
+  var result = decodeIntBuffer(encodedBuffer, index);
+
+  var value = _long.default.fromBytesLE(result.value, false);
+
+  bufs.free(result.value);
+  return {
+    value: value,
+    nextIndex: result.nextIndex,
+    lossy: false
+  };
+}
+
+function encodeUIntBuffer(buffer) {
+  return encodeBufferCommon(buffer, false);
+}
+
+function decodeUIntBuffer(encodedBuffer, index) {
+  return decodeBufferCommon(encodedBuffer, index, false);
+}
+
+function encodeUInt32(num) {
+  var buf = bufs.alloc(4);
+  buf.writeUInt32LE(num, 0);
+  var result = encodeUIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeUInt32(encodedBuffer, index) {
+  var result = decodeUIntBuffer(encodedBuffer, index);
+  var parsed = bufs.readUInt(result.value);
+  var value = parsed.value;
+  bufs.free(result.value);
+
+  if (value > MAX_UINT32) {
+    throw new Error("integer too large");
+  }
+
+  return {
+    value: value,
+    nextIndex: result.nextIndex
+  };
+}
+
+function encodeUInt64(num) {
+  var buf = bufs.alloc(8);
+  bufs.writeUInt64(num, buf);
+  var result = encodeUIntBuffer(buf);
+  bufs.free(buf);
+  return result;
+}
+
+function decodeUInt64(encodedBuffer, index) {
+  var result = decodeUIntBuffer(encodedBuffer, index);
+
+  var value = _long.default.fromBytesLE(result.value, true);
+
+  bufs.free(result.value);
+  return {
+    value: value,
+    nextIndex: result.nextIndex,
+    lossy: false
+  };
+}
+
+var _default = {
+  decodeInt32: decodeInt32,
+  decodeInt64: decodeInt64,
+  decodeIntBuffer: decodeIntBuffer,
+  decodeUInt32: decodeUInt32,
+  decodeUInt64: decodeUInt64,
+  decodeUIntBuffer: decodeUIntBuffer,
+  encodeInt32: encodeInt32,
+  encodeInt64: encodeInt64,
+  encodeIntBuffer: encodeIntBuffer,
+  encodeUInt32: encodeUInt32,
+  encodeUInt64: encodeUInt64,
+  encodeUIntBuffer: encodeUIntBuffer
+};
+exports.default = _default;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/leb128/package.json b/node_modules/@webassemblyjs/leb128/package.json
new file mode 100644
index 00000000..25b43f90
--- /dev/null
+++ b/node_modules/@webassemblyjs/leb128/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@webassemblyjs/leb128",
+  "version": "1.9.0",
+  "description": "LEB128 decoder and encoder",
+  "license": "MIT",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": {
+    "@xtuc/long": "4.2.2"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/utf8/LICENSE b/node_modules/@webassemblyjs/utf8/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/utf8/esm/decoder.js b/node_modules/@webassemblyjs/utf8/esm/decoder.js
new file mode 100644
index 00000000..12d88eb1
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/esm/decoder.js
@@ -0,0 +1,95 @@
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
+
+function con(b) {
+  if ((b & 0xc0) === 0x80) {
+    return b & 0x3f;
+  } else {
+    throw new Error("invalid UTF-8 encoding");
+  }
+}
+
+function code(min, n) {
+  if (n < min || 0xd800 <= n && n < 0xe000 || n >= 0x10000) {
+    throw new Error("invalid UTF-8 encoding");
+  } else {
+    return n;
+  }
+}
+
+export function decode(bytes) {
+  return _decode(bytes).map(function (x) {
+    return String.fromCharCode(x);
+  }).join("");
+}
+
+function _decode(bytes) {
+  if (bytes.length === 0) {
+    return [];
+  }
+  /**
+   * 1 byte
+   */
+
+
+  {
+    var _bytes = _toArray(bytes),
+        b1 = _bytes[0],
+        bs = _bytes.slice(1);
+
+    if (b1 < 0x80) {
+      return [code(0x0, b1)].concat(_toConsumableArray(_decode(bs)));
+    }
+
+    if (b1 < 0xc0) {
+      throw new Error("invalid UTF-8 encoding");
+    }
+  }
+  /**
+   * 2 bytes
+   */
+
+  {
+    var _bytes2 = _toArray(bytes),
+        _b = _bytes2[0],
+        b2 = _bytes2[1],
+        _bs = _bytes2.slice(2);
+
+    if (_b < 0xe0) {
+      return [code(0x80, ((_b & 0x1f) << 6) + con(b2))].concat(_toConsumableArray(_decode(_bs)));
+    }
+  }
+  /**
+   * 3 bytes
+   */
+
+  {
+    var _bytes3 = _toArray(bytes),
+        _b2 = _bytes3[0],
+        _b3 = _bytes3[1],
+        b3 = _bytes3[2],
+        _bs2 = _bytes3.slice(3);
+
+    if (_b2 < 0xf0) {
+      return [code(0x800, ((_b2 & 0x0f) << 12) + (con(_b3) << 6) + con(b3))].concat(_toConsumableArray(_decode(_bs2)));
+    }
+  }
+  /**
+   * 4 bytes
+   */
+
+  {
+    var _bytes4 = _toArray(bytes),
+        _b4 = _bytes4[0],
+        _b5 = _bytes4[1],
+        _b6 = _bytes4[2],
+        b4 = _bytes4[3],
+        _bs3 = _bytes4.slice(4);
+
+    if (_b4 < 0xf8) {
+      return [code(0x10000, (((_b4 & 0x07) << 18) + con(_b5) << 12) + (con(_b6) << 6) + con(b4))].concat(_toConsumableArray(_decode(_bs3)));
+    }
+  }
+  throw new Error("invalid UTF-8 encoding");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/esm/encoder.js b/node_modules/@webassemblyjs/utf8/esm/encoder.js
new file mode 100644
index 00000000..6d5e4dec
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/esm/encoder.js
@@ -0,0 +1,46 @@
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
+
+function con(n) {
+  return 0x80 | n & 0x3f;
+}
+
+export function encode(str) {
+  var arr = str.split("").map(function (x) {
+    return x.charCodeAt(0);
+  });
+  return _encode(arr);
+}
+
+function _encode(arr) {
+  if (arr.length === 0) {
+    return [];
+  }
+
+  var _arr = _toArray(arr),
+      n = _arr[0],
+      ns = _arr.slice(1);
+
+  if (n < 0) {
+    throw new Error("utf8");
+  }
+
+  if (n < 0x80) {
+    return [n].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x800) {
+    return [0xc0 | n >>> 6, con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x10000) {
+    return [0xe0 | n >>> 12, con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x110000) {
+    return [0xf0 | n >>> 18, con(n >>> 12), con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  throw new Error("utf8");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/esm/index.js b/node_modules/@webassemblyjs/utf8/esm/index.js
new file mode 100644
index 00000000..2e31357a
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/esm/index.js
@@ -0,0 +1,2 @@
+export { decode } from "./decoder";
+export { encode } from "./encoder";
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/lib/decoder.js b/node_modules/@webassemblyjs/utf8/lib/decoder.js
new file mode 100644
index 00000000..824c843f
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/lib/decoder.js
@@ -0,0 +1,102 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decode = decode;
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
+
+function con(b) {
+  if ((b & 0xc0) === 0x80) {
+    return b & 0x3f;
+  } else {
+    throw new Error("invalid UTF-8 encoding");
+  }
+}
+
+function code(min, n) {
+  if (n < min || 0xd800 <= n && n < 0xe000 || n >= 0x10000) {
+    throw new Error("invalid UTF-8 encoding");
+  } else {
+    return n;
+  }
+}
+
+function decode(bytes) {
+  return _decode(bytes).map(function (x) {
+    return String.fromCharCode(x);
+  }).join("");
+}
+
+function _decode(bytes) {
+  if (bytes.length === 0) {
+    return [];
+  }
+  /**
+   * 1 byte
+   */
+
+
+  {
+    var _bytes = _toArray(bytes),
+        b1 = _bytes[0],
+        bs = _bytes.slice(1);
+
+    if (b1 < 0x80) {
+      return [code(0x0, b1)].concat(_toConsumableArray(_decode(bs)));
+    }
+
+    if (b1 < 0xc0) {
+      throw new Error("invalid UTF-8 encoding");
+    }
+  }
+  /**
+   * 2 bytes
+   */
+
+  {
+    var _bytes2 = _toArray(bytes),
+        _b = _bytes2[0],
+        b2 = _bytes2[1],
+        _bs = _bytes2.slice(2);
+
+    if (_b < 0xe0) {
+      return [code(0x80, ((_b & 0x1f) << 6) + con(b2))].concat(_toConsumableArray(_decode(_bs)));
+    }
+  }
+  /**
+   * 3 bytes
+   */
+
+  {
+    var _bytes3 = _toArray(bytes),
+        _b2 = _bytes3[0],
+        _b3 = _bytes3[1],
+        b3 = _bytes3[2],
+        _bs2 = _bytes3.slice(3);
+
+    if (_b2 < 0xf0) {
+      return [code(0x800, ((_b2 & 0x0f) << 12) + (con(_b3) << 6) + con(b3))].concat(_toConsumableArray(_decode(_bs2)));
+    }
+  }
+  /**
+   * 4 bytes
+   */
+
+  {
+    var _bytes4 = _toArray(bytes),
+        _b4 = _bytes4[0],
+        _b5 = _bytes4[1],
+        _b6 = _bytes4[2],
+        b4 = _bytes4[3],
+        _bs3 = _bytes4.slice(4);
+
+    if (_b4 < 0xf8) {
+      return [code(0x10000, (((_b4 & 0x07) << 18) + con(_b5) << 12) + (con(_b6) << 6) + con(b4))].concat(_toConsumableArray(_decode(_bs3)));
+    }
+  }
+  throw new Error("invalid UTF-8 encoding");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/lib/encoder.js b/node_modules/@webassemblyjs/utf8/lib/encoder.js
new file mode 100644
index 00000000..0606b561
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/lib/encoder.js
@@ -0,0 +1,53 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.encode = encode;
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
+
+function con(n) {
+  return 0x80 | n & 0x3f;
+}
+
+function encode(str) {
+  var arr = str.split("").map(function (x) {
+    return x.charCodeAt(0);
+  });
+  return _encode(arr);
+}
+
+function _encode(arr) {
+  if (arr.length === 0) {
+    return [];
+  }
+
+  var _arr = _toArray(arr),
+      n = _arr[0],
+      ns = _arr.slice(1);
+
+  if (n < 0) {
+    throw new Error("utf8");
+  }
+
+  if (n < 0x80) {
+    return [n].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x800) {
+    return [0xc0 | n >>> 6, con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x10000) {
+    return [0xe0 | n >>> 12, con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  if (n < 0x110000) {
+    return [0xf0 | n >>> 18, con(n >>> 12), con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
+  }
+
+  throw new Error("utf8");
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/lib/index.js b/node_modules/@webassemblyjs/utf8/lib/index.js
new file mode 100644
index 00000000..fef94701
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/lib/index.js
@@ -0,0 +1,21 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "decode", {
+  enumerable: true,
+  get: function get() {
+    return _decoder.decode;
+  }
+});
+Object.defineProperty(exports, "encode", {
+  enumerable: true,
+  get: function get() {
+    return _encoder.encode;
+  }
+});
+
+var _decoder = require("./decoder");
+
+var _encoder = require("./encoder");
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/utf8/package.json b/node_modules/@webassemblyjs/utf8/package.json
new file mode 100644
index 00000000..2130101f
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "@webassemblyjs/utf8",
+  "version": "1.9.0",
+  "description": "UTF8 encoder/decoder for WASM",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/utf8/src/decoder.js b/node_modules/@webassemblyjs/utf8/src/decoder.js
new file mode 100644
index 00000000..227ba3ad
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/decoder.js
@@ -0,0 +1,86 @@
+function con(b) {
+  if ((b & 0xc0) === 0x80) {
+    return b & 0x3f;
+  } else {
+    throw new Error("invalid UTF-8 encoding");
+  }
+}
+
+function code(min, n) {
+  if (n < min || (0xd800 <= n && n < 0xe000) || n >= 0x10000) {
+    throw new Error("invalid UTF-8 encoding");
+  } else {
+    return n;
+  }
+}
+
+export function decode(bytes) {
+  return _decode(bytes)
+    .map(x => String.fromCharCode(x))
+    .join("");
+}
+
+function _decode(bytes) {
+  if (bytes.length === 0) {
+    return [];
+  }
+
+  /**
+   * 1 byte
+   */
+  {
+    const [b1, ...bs] = bytes;
+
+    if (b1 < 0x80) {
+      return [code(0x0, b1), ..._decode(bs)];
+    }
+
+    if (b1 < 0xc0) {
+      throw new Error("invalid UTF-8 encoding");
+    }
+  }
+
+  /**
+   * 2 bytes
+   */
+  {
+    const [b1, b2, ...bs] = bytes;
+
+    if (b1 < 0xe0) {
+      return [code(0x80, ((b1 & 0x1f) << 6) + con(b2)), ..._decode(bs)];
+    }
+  }
+
+  /**
+   * 3 bytes
+   */
+  {
+    const [b1, b2, b3, ...bs] = bytes;
+
+    if (b1 < 0xf0) {
+      return [
+        code(0x800, ((b1 & 0x0f) << 12) + (con(b2) << 6) + con(b3)),
+        ..._decode(bs)
+      ];
+    }
+  }
+
+  /**
+   * 4 bytes
+   */
+  {
+    const [b1, b2, b3, b4, ...bs] = bytes;
+
+    if (b1 < 0xf8) {
+      return [
+        code(
+          0x10000,
+          ((((b1 & 0x07) << 18) + con(b2)) << 12) + (con(b3) << 6) + con(b4)
+        ),
+        ..._decode(bs)
+      ];
+    }
+  }
+
+  throw new Error("invalid UTF-8 encoding");
+}
diff --git a/node_modules/@webassemblyjs/utf8/src/encoder.js b/node_modules/@webassemblyjs/utf8/src/encoder.js
new file mode 100644
index 00000000..1c482f07
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/encoder.js
@@ -0,0 +1,44 @@
+function con(n) {
+  return 0x80 | (n & 0x3f);
+}
+
+export function encode(str) {
+  const arr = str.split("").map(x => x.charCodeAt(0));
+  return _encode(arr);
+}
+
+function _encode(arr) {
+  if (arr.length === 0) {
+    return [];
+  }
+
+  const [n, ...ns] = arr;
+
+  if (n < 0) {
+    throw new Error("utf8");
+  }
+
+  if (n < 0x80) {
+    return [n, ..._encode(ns)];
+  }
+
+  if (n < 0x800) {
+    return [0xc0 | (n >>> 6), con(n), ..._encode(ns)];
+  }
+
+  if (n < 0x10000) {
+    return [0xe0 | (n >>> 12), con(n >>> 6), con(n), ..._encode(ns)];
+  }
+
+  if (n < 0x110000) {
+    return [
+      0xf0 | (n >>> 18),
+      con(n >>> 12),
+      con(n >>> 6),
+      con(n),
+      ..._encode(ns)
+    ];
+  }
+
+  throw new Error("utf8");
+}
diff --git a/node_modules/@webassemblyjs/utf8/src/index.js b/node_modules/@webassemblyjs/utf8/src/index.js
new file mode 100644
index 00000000..82cf9a70
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/index.js
@@ -0,0 +1,4 @@
+// @flow
+
+export { decode } from "./decoder";
+export { encode } from "./encoder";
diff --git a/node_modules/@webassemblyjs/utf8/test/index.js b/node_modules/@webassemblyjs/utf8/test/index.js
new file mode 100644
index 00000000..dabdc6ca
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/test/index.js
@@ -0,0 +1,13 @@
+const { assert } = require("chai");
+
+const { decode, encode } = require("../lib");
+
+describe("UTF8", () => {
+  it("should f-1(f(x)) = x", () => {
+    assert.equal(decode(encode("foo")), "foo");
+    assert.equal(decode(encode("éé")), "éé");
+
+    // TODO(sven): utf8 encoder fails here
+    // assert.equal(decode(encode("🤣见見")), "🤣见見");
+  });
+});
diff --git a/node_modules/@webassemblyjs/wasm-edit/LICENSE b/node_modules/@webassemblyjs/wasm-edit/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wasm-edit/README.md b/node_modules/@webassemblyjs/wasm-edit/README.md
new file mode 100644
index 00000000..f03462fb
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/README.md
@@ -0,0 +1,86 @@
+# @webassemblyjs/wasm-edit
+
+> Rewrite a WASM binary
+
+Replace in-place an AST node in the binary.
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/wasm-edit
+```
+
+## Usage
+
+Update:
+
+```js
+import { edit } from "@webassemblyjs/wasm-edit";
+
+const binary = [/*...*/];
+
+const visitors = {
+  ModuleImport({ node }) {
+    node.module = "foo";
+    node.name = "bar";
+  }
+};
+
+const newBinary = edit(binary, visitors);
+```
+
+Replace:
+
+```js
+import { edit } from "@webassemblyjs/wasm-edit";
+
+const binary = [/*...*/];
+
+const visitors = {
+  Instr(path) {
+    const newNode = t.callInstruction(t.indexLiteral(0));
+    path.replaceWith(newNode);
+  }
+};
+
+const newBinary = edit(binary, visitors);
+```
+
+Remove:
+
+```js
+import { edit } from "@webassemblyjs/wasm-edit";
+
+const binary = [/*...*/];
+
+const visitors = {
+  ModuleExport({ node }) {
+    path.remove()
+  }
+};
+
+const newBinary = edit(binary, visitors);
+```
+
+Insert:
+
+```js
+import { add } from "@webassemblyjs/wasm-edit";
+
+const binary = [/*...*/];
+
+const newBinary = add(actualBinary, [
+  t.moduleImport("env", "mem", t.memory(t.limit(1)))
+]);
+```
+
+## Providing the AST
+
+Providing an AST allows you to handle the decoding yourself, here is the API:
+
+```js
+addWithAST(Program, ArrayBuffer, Array<Node>): ArrayBuffer;
+editWithAST(Program, ArrayBuffer, visitors): ArrayBuffer;
+```
+
+Note that the AST will be updated in-place.
diff --git a/node_modules/@webassemblyjs/wasm-edit/esm/apply.js b/node_modules/@webassemblyjs/wasm-edit/esm/apply.js
new file mode 100644
index 00000000..4c21569e
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/esm/apply.js
@@ -0,0 +1,299 @@
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+import { encodeNode } from "@webassemblyjs/wasm-gen";
+import { encodeU32 } from "@webassemblyjs/wasm-gen/lib/encoder";
+import { isFunc, isGlobal, assertHasLoc, orderedInsertNode, getSectionMetadata, traverse, getEndOfSection } from "@webassemblyjs/ast";
+import { resizeSectionByteSize, resizeSectionVecSize, createEmptySection, removeSections } from "@webassemblyjs/helper-wasm-section";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode";
+
+function shiftLocNodeByDelta(node, delta) {
+  assertHasLoc(node); // $FlowIgnore: assertHasLoc ensures that
+
+  node.loc.start.column += delta; // $FlowIgnore: assertHasLoc ensures that
+
+  node.loc.end.column += delta;
+}
+
+function applyUpdate(ast, uint8Buffer, _ref) {
+  var _ref2 = _slicedToArray(_ref, 2),
+      oldNode = _ref2[0],
+      newNode = _ref2[1];
+
+  var deltaElements = 0;
+  assertHasLoc(oldNode);
+  var sectionName = getSectionForNode(newNode);
+  var replacementByteArray = encodeNode(newNode);
+  /**
+   * Replace new node as bytes
+   */
+
+  uint8Buffer = overrideBytesInBuffer(uint8Buffer, // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.start.column, // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.end.column, replacementByteArray);
+  /**
+   * Update function body size if needed
+   */
+
+  if (sectionName === "code") {
+    // Find the parent func
+    traverse(ast, {
+      Func: function Func(_ref3) {
+        var node = _ref3.node;
+        var funcHasThisIntr = node.body.find(function (n) {
+          return n === newNode;
+        }) !== undefined; // Update func's body size if needed
+
+        if (funcHasThisIntr === true) {
+          // These are the old functions locations informations
+          assertHasLoc(node);
+          var oldNodeSize = encodeNode(oldNode).length;
+          var bodySizeDeltaBytes = replacementByteArray.length - oldNodeSize;
+
+          if (bodySizeDeltaBytes !== 0) {
+            var newValue = node.metadata.bodySize + bodySizeDeltaBytes;
+            var newByteArray = encodeU32(newValue); // function body size byte
+            // FIXME(sven): only handles one byte u32
+
+            var start = node.loc.start.column;
+            var end = start + 1;
+            uint8Buffer = overrideBytesInBuffer(uint8Buffer, start, end, newByteArray);
+          }
+        }
+      }
+    });
+  }
+  /**
+   * Update section size
+   */
+
+
+  var deltaBytes = replacementByteArray.length - ( // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.end.column - oldNode.loc.start.column); // Init location informations
+
+  newNode.loc = {
+    start: {
+      line: -1,
+      column: -1
+    },
+    end: {
+      line: -1,
+      column: -1
+    }
+  }; // Update new node end position
+  // $FlowIgnore: assertHasLoc ensures that
+
+  newNode.loc.start.column = oldNode.loc.start.column; // $FlowIgnore: assertHasLoc ensures that
+
+  newNode.loc.end.column = // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.start.column + replacementByteArray.length;
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+function applyDelete(ast, uint8Buffer, node) {
+  var deltaElements = -1; // since we removed an element
+
+  assertHasLoc(node);
+  var sectionName = getSectionForNode(node);
+
+  if (sectionName === "start") {
+    var sectionMetadata = getSectionMetadata(ast, "start");
+    /**
+     * The start section only contains one element,
+     * we need to remove the whole section
+     */
+
+    uint8Buffer = removeSections(ast, uint8Buffer, "start");
+
+    var _deltaBytes = -(sectionMetadata.size.value + 1);
+    /* section id */
+
+
+    return {
+      uint8Buffer: uint8Buffer,
+      deltaBytes: _deltaBytes,
+      deltaElements: deltaElements
+    };
+  } // replacement is nothing
+
+
+  var replacement = [];
+  uint8Buffer = overrideBytesInBuffer(uint8Buffer, // $FlowIgnore: assertHasLoc ensures that
+  node.loc.start.column, // $FlowIgnore: assertHasLoc ensures that
+  node.loc.end.column, replacement);
+  /**
+   * Update section
+   */
+  // $FlowIgnore: assertHasLoc ensures that
+
+  var deltaBytes = -(node.loc.end.column - node.loc.start.column);
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+function applyAdd(ast, uint8Buffer, node) {
+  var deltaElements = +1; // since we added an element
+
+  var sectionName = getSectionForNode(node);
+  var sectionMetadata = getSectionMetadata(ast, sectionName); // Section doesn't exists, we create an empty one
+
+  if (typeof sectionMetadata === "undefined") {
+    var res = createEmptySection(ast, uint8Buffer, sectionName);
+    uint8Buffer = res.uint8Buffer;
+    sectionMetadata = res.sectionMetadata;
+  }
+  /**
+   * check that the expressions were ended
+   */
+
+
+  if (isFunc(node)) {
+    // $FlowIgnore
+    var body = node.body;
+
+    if (body.length === 0 || body[body.length - 1].id !== "end") {
+      throw new Error("expressions must be ended");
+    }
+  }
+
+  if (isGlobal(node)) {
+    // $FlowIgnore
+    var body = node.init;
+
+    if (body.length === 0 || body[body.length - 1].id !== "end") {
+      throw new Error("expressions must be ended");
+    }
+  }
+  /**
+   * Add nodes
+   */
+
+
+  var newByteArray = encodeNode(node); // The size of the section doesn't include the storage of the size itself
+  // we need to manually add it here
+
+  var start = getEndOfSection(sectionMetadata);
+  var end = start;
+  /**
+   * Update section
+   */
+
+  var deltaBytes = newByteArray.length;
+  uint8Buffer = overrideBytesInBuffer(uint8Buffer, start, end, newByteArray);
+  node.loc = {
+    start: {
+      line: -1,
+      column: start
+    },
+    end: {
+      line: -1,
+      column: start + deltaBytes
+    }
+  }; // for func add the additional metadata in the AST
+
+  if (node.type === "Func") {
+    // the size is the first byte
+    // FIXME(sven): handle LEB128 correctly here
+    var bodySize = newByteArray[0];
+    node.metadata = {
+      bodySize: bodySize
+    };
+  }
+
+  if (node.type !== "IndexInFuncSection") {
+    orderedInsertNode(ast.body[0], node);
+  }
+
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+export function applyOperations(ast, uint8Buffer, ops) {
+  ops.forEach(function (op) {
+    var state;
+    var sectionName;
+
+    switch (op.kind) {
+      case "update":
+        state = applyUpdate(ast, uint8Buffer, [op.oldNode, op.node]);
+        sectionName = getSectionForNode(op.node);
+        break;
+
+      case "delete":
+        state = applyDelete(ast, uint8Buffer, op.node);
+        sectionName = getSectionForNode(op.node);
+        break;
+
+      case "add":
+        state = applyAdd(ast, uint8Buffer, op.node);
+        sectionName = getSectionForNode(op.node);
+        break;
+
+      default:
+        throw new Error("Unknown operation");
+    }
+    /**
+     * Resize section vec size.
+     * If the length of the LEB-encoded size changes, this can change
+     * the byte length of the section and the offset for nodes in the
+     * section. So we do this first before resizing section byte size
+     * or shifting following operations' nodes.
+     */
+
+
+    if (state.deltaElements !== 0 && sectionName !== "start") {
+      var oldBufferLength = state.uint8Buffer.length;
+      state.uint8Buffer = resizeSectionVecSize(ast, state.uint8Buffer, sectionName, state.deltaElements); // Infer bytes added/removed by comparing buffer lengths
+
+      state.deltaBytes += state.uint8Buffer.length - oldBufferLength;
+    }
+    /**
+     * Resize section byte size.
+     * If the length of the LEB-encoded size changes, this can change
+     * the offset for nodes in the section. So we do this before
+     * shifting following operations' nodes.
+     */
+
+
+    if (state.deltaBytes !== 0 && sectionName !== "start") {
+      var _oldBufferLength = state.uint8Buffer.length;
+      state.uint8Buffer = resizeSectionByteSize(ast, state.uint8Buffer, sectionName, state.deltaBytes); // Infer bytes added/removed by comparing buffer lengths
+
+      state.deltaBytes += state.uint8Buffer.length - _oldBufferLength;
+    }
+    /**
+     * Shift following operation's nodes
+     */
+
+
+    if (state.deltaBytes !== 0) {
+      ops.forEach(function (op) {
+        // We don't need to handle add ops, they are positioning independent
+        switch (op.kind) {
+          case "update":
+            shiftLocNodeByDelta(op.oldNode, state.deltaBytes);
+            break;
+
+          case "delete":
+            shiftLocNodeByDelta(op.node, state.deltaBytes);
+            break;
+        }
+      });
+    }
+
+    uint8Buffer = state.uint8Buffer;
+  });
+  return uint8Buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-edit/esm/index.js b/node_modules/@webassemblyjs/wasm-edit/esm/index.js
new file mode 100644
index 00000000..6ed9d532
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/esm/index.js
@@ -0,0 +1,114 @@
+import { decode } from "@webassemblyjs/wasm-parser";
+import { traverse } from "@webassemblyjs/ast";
+import { cloneNode } from "@webassemblyjs/ast/lib/clone";
+import { shrinkPaddedLEB128 } from "@webassemblyjs/wasm-opt";
+import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import { applyOperations } from "./apply";
+
+function hashNode(node) {
+  return JSON.stringify(node);
+}
+
+function preprocess(ab) {
+  var optBin = shrinkPaddedLEB128(new Uint8Array(ab));
+  return optBin.buffer;
+}
+
+function sortBySectionOrder(nodes) {
+  var originalOrder = new Map();
+  var _iteratorNormalCompletion = true;
+  var _didIteratorError = false;
+  var _iteratorError = undefined;
+
+  try {
+    for (var _iterator = nodes[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+      var _node = _step.value;
+      originalOrder.set(_node, originalOrder.size);
+    }
+  } catch (err) {
+    _didIteratorError = true;
+    _iteratorError = err;
+  } finally {
+    try {
+      if (!_iteratorNormalCompletion && _iterator.return != null) {
+        _iterator.return();
+      }
+    } finally {
+      if (_didIteratorError) {
+        throw _iteratorError;
+      }
+    }
+  }
+
+  nodes.sort(function (a, b) {
+    var sectionA = getSectionForNode(a);
+    var sectionB = getSectionForNode(b);
+    var aId = constants.sections[sectionA];
+    var bId = constants.sections[sectionB];
+
+    if (typeof aId !== "number" || typeof bId !== "number") {
+      throw new Error("Section id not found");
+    }
+
+    if (aId === bId) {
+      // $FlowIgnore originalOrder is filled for all nodes
+      return originalOrder.get(a) - originalOrder.get(b);
+    }
+
+    return aId - bId;
+  });
+}
+
+export function edit(ab, visitors) {
+  ab = preprocess(ab);
+  var ast = decode(ab);
+  return editWithAST(ast, ab, visitors);
+}
+export function editWithAST(ast, ab, visitors) {
+  var operations = [];
+  var uint8Buffer = new Uint8Array(ab);
+  var nodeBefore;
+
+  function before(type, path) {
+    nodeBefore = cloneNode(path.node);
+  }
+
+  function after(type, path) {
+    if (path.node._deleted === true) {
+      operations.push({
+        kind: "delete",
+        node: path.node
+      }); // $FlowIgnore
+    } else if (hashNode(nodeBefore) !== hashNode(path.node)) {
+      operations.push({
+        kind: "update",
+        oldNode: nodeBefore,
+        node: path.node
+      });
+    }
+  }
+
+  traverse(ast, visitors, before, after);
+  uint8Buffer = applyOperations(ast, uint8Buffer, operations);
+  return uint8Buffer.buffer;
+}
+export function add(ab, newNodes) {
+  ab = preprocess(ab);
+  var ast = decode(ab);
+  return addWithAST(ast, ab, newNodes);
+}
+export function addWithAST(ast, ab, newNodes) {
+  // Sort nodes by insertion order
+  sortBySectionOrder(newNodes);
+  var uint8Buffer = new Uint8Array(ab); // Map node into operations
+
+  var operations = newNodes.map(function (n) {
+    return {
+      kind: "add",
+      node: n
+    };
+  });
+  uint8Buffer = applyOperations(ast, uint8Buffer, operations);
+  return uint8Buffer.buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-edit/lib/apply.js b/node_modules/@webassemblyjs/wasm-edit/lib/apply.js
new file mode 100644
index 00000000..e9cb38f7
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/lib/apply.js
@@ -0,0 +1,311 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.applyOperations = applyOperations;
+
+var _wasmGen = require("@webassemblyjs/wasm-gen");
+
+var _encoder = require("@webassemblyjs/wasm-gen/lib/encoder");
+
+var _ast = require("@webassemblyjs/ast");
+
+var _helperWasmSection = require("@webassemblyjs/helper-wasm-section");
+
+var _helperBuffer = require("@webassemblyjs/helper-buffer");
+
+var _helperWasmBytecode = require("@webassemblyjs/helper-wasm-bytecode");
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+function shiftLocNodeByDelta(node, delta) {
+  (0, _ast.assertHasLoc)(node); // $FlowIgnore: assertHasLoc ensures that
+
+  node.loc.start.column += delta; // $FlowIgnore: assertHasLoc ensures that
+
+  node.loc.end.column += delta;
+}
+
+function applyUpdate(ast, uint8Buffer, _ref) {
+  var _ref2 = _slicedToArray(_ref, 2),
+      oldNode = _ref2[0],
+      newNode = _ref2[1];
+
+  var deltaElements = 0;
+  (0, _ast.assertHasLoc)(oldNode);
+  var sectionName = (0, _helperWasmBytecode.getSectionForNode)(newNode);
+  var replacementByteArray = (0, _wasmGen.encodeNode)(newNode);
+  /**
+   * Replace new node as bytes
+   */
+
+  uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.start.column, // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.end.column, replacementByteArray);
+  /**
+   * Update function body size if needed
+   */
+
+  if (sectionName === "code") {
+    // Find the parent func
+    (0, _ast.traverse)(ast, {
+      Func: function Func(_ref3) {
+        var node = _ref3.node;
+        var funcHasThisIntr = node.body.find(function (n) {
+          return n === newNode;
+        }) !== undefined; // Update func's body size if needed
+
+        if (funcHasThisIntr === true) {
+          // These are the old functions locations informations
+          (0, _ast.assertHasLoc)(node);
+          var oldNodeSize = (0, _wasmGen.encodeNode)(oldNode).length;
+          var bodySizeDeltaBytes = replacementByteArray.length - oldNodeSize;
+
+          if (bodySizeDeltaBytes !== 0) {
+            var newValue = node.metadata.bodySize + bodySizeDeltaBytes;
+            var newByteArray = (0, _encoder.encodeU32)(newValue); // function body size byte
+            // FIXME(sven): only handles one byte u32
+
+            var start = node.loc.start.column;
+            var end = start + 1;
+            uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start, end, newByteArray);
+          }
+        }
+      }
+    });
+  }
+  /**
+   * Update section size
+   */
+
+
+  var deltaBytes = replacementByteArray.length - ( // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.end.column - oldNode.loc.start.column); // Init location informations
+
+  newNode.loc = {
+    start: {
+      line: -1,
+      column: -1
+    },
+    end: {
+      line: -1,
+      column: -1
+    }
+  }; // Update new node end position
+  // $FlowIgnore: assertHasLoc ensures that
+
+  newNode.loc.start.column = oldNode.loc.start.column; // $FlowIgnore: assertHasLoc ensures that
+
+  newNode.loc.end.column = // $FlowIgnore: assertHasLoc ensures that
+  oldNode.loc.start.column + replacementByteArray.length;
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+function applyDelete(ast, uint8Buffer, node) {
+  var deltaElements = -1; // since we removed an element
+
+  (0, _ast.assertHasLoc)(node);
+  var sectionName = (0, _helperWasmBytecode.getSectionForNode)(node);
+
+  if (sectionName === "start") {
+    var sectionMetadata = (0, _ast.getSectionMetadata)(ast, "start");
+    /**
+     * The start section only contains one element,
+     * we need to remove the whole section
+     */
+
+    uint8Buffer = (0, _helperWasmSection.removeSections)(ast, uint8Buffer, "start");
+
+    var _deltaBytes = -(sectionMetadata.size.value + 1);
+    /* section id */
+
+
+    return {
+      uint8Buffer: uint8Buffer,
+      deltaBytes: _deltaBytes,
+      deltaElements: deltaElements
+    };
+  } // replacement is nothing
+
+
+  var replacement = [];
+  uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, // $FlowIgnore: assertHasLoc ensures that
+  node.loc.start.column, // $FlowIgnore: assertHasLoc ensures that
+  node.loc.end.column, replacement);
+  /**
+   * Update section
+   */
+  // $FlowIgnore: assertHasLoc ensures that
+
+  var deltaBytes = -(node.loc.end.column - node.loc.start.column);
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+function applyAdd(ast, uint8Buffer, node) {
+  var deltaElements = +1; // since we added an element
+
+  var sectionName = (0, _helperWasmBytecode.getSectionForNode)(node);
+  var sectionMetadata = (0, _ast.getSectionMetadata)(ast, sectionName); // Section doesn't exists, we create an empty one
+
+  if (typeof sectionMetadata === "undefined") {
+    var res = (0, _helperWasmSection.createEmptySection)(ast, uint8Buffer, sectionName);
+    uint8Buffer = res.uint8Buffer;
+    sectionMetadata = res.sectionMetadata;
+  }
+  /**
+   * check that the expressions were ended
+   */
+
+
+  if ((0, _ast.isFunc)(node)) {
+    // $FlowIgnore
+    var body = node.body;
+
+    if (body.length === 0 || body[body.length - 1].id !== "end") {
+      throw new Error("expressions must be ended");
+    }
+  }
+
+  if ((0, _ast.isGlobal)(node)) {
+    // $FlowIgnore
+    var body = node.init;
+
+    if (body.length === 0 || body[body.length - 1].id !== "end") {
+      throw new Error("expressions must be ended");
+    }
+  }
+  /**
+   * Add nodes
+   */
+
+
+  var newByteArray = (0, _wasmGen.encodeNode)(node); // The size of the section doesn't include the storage of the size itself
+  // we need to manually add it here
+
+  var start = (0, _ast.getEndOfSection)(sectionMetadata);
+  var end = start;
+  /**
+   * Update section
+   */
+
+  var deltaBytes = newByteArray.length;
+  uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start, end, newByteArray);
+  node.loc = {
+    start: {
+      line: -1,
+      column: start
+    },
+    end: {
+      line: -1,
+      column: start + deltaBytes
+    }
+  }; // for func add the additional metadata in the AST
+
+  if (node.type === "Func") {
+    // the size is the first byte
+    // FIXME(sven): handle LEB128 correctly here
+    var bodySize = newByteArray[0];
+    node.metadata = {
+      bodySize: bodySize
+    };
+  }
+
+  if (node.type !== "IndexInFuncSection") {
+    (0, _ast.orderedInsertNode)(ast.body[0], node);
+  }
+
+  return {
+    uint8Buffer: uint8Buffer,
+    deltaBytes: deltaBytes,
+    deltaElements: deltaElements
+  };
+}
+
+function applyOperations(ast, uint8Buffer, ops) {
+  ops.forEach(function (op) {
+    var state;
+    var sectionName;
+
+    switch (op.kind) {
+      case "update":
+        state = applyUpdate(ast, uint8Buffer, [op.oldNode, op.node]);
+        sectionName = (0, _helperWasmBytecode.getSectionForNode)(op.node);
+        break;
+
+      case "delete":
+        state = applyDelete(ast, uint8Buffer, op.node);
+        sectionName = (0, _helperWasmBytecode.getSectionForNode)(op.node);
+        break;
+
+      case "add":
+        state = applyAdd(ast, uint8Buffer, op.node);
+        sectionName = (0, _helperWasmBytecode.getSectionForNode)(op.node);
+        break;
+
+      default:
+        throw new Error("Unknown operation");
+    }
+    /**
+     * Resize section vec size.
+     * If the length of the LEB-encoded size changes, this can change
+     * the byte length of the section and the offset for nodes in the
+     * section. So we do this first before resizing section byte size
+     * or shifting following operations' nodes.
+     */
+
+
+    if (state.deltaElements !== 0 && sectionName !== "start") {
+      var oldBufferLength = state.uint8Buffer.length;
+      state.uint8Buffer = (0, _helperWasmSection.resizeSectionVecSize)(ast, state.uint8Buffer, sectionName, state.deltaElements); // Infer bytes added/removed by comparing buffer lengths
+
+      state.deltaBytes += state.uint8Buffer.length - oldBufferLength;
+    }
+    /**
+     * Resize section byte size.
+     * If the length of the LEB-encoded size changes, this can change
+     * the offset for nodes in the section. So we do this before
+     * shifting following operations' nodes.
+     */
+
+
+    if (state.deltaBytes !== 0 && sectionName !== "start") {
+      var _oldBufferLength = state.uint8Buffer.length;
+      state.uint8Buffer = (0, _helperWasmSection.resizeSectionByteSize)(ast, state.uint8Buffer, sectionName, state.deltaBytes); // Infer bytes added/removed by comparing buffer lengths
+
+      state.deltaBytes += state.uint8Buffer.length - _oldBufferLength;
+    }
+    /**
+     * Shift following operation's nodes
+     */
+
+
+    if (state.deltaBytes !== 0) {
+      ops.forEach(function (op) {
+        // We don't need to handle add ops, they are positioning independent
+        switch (op.kind) {
+          case "update":
+            shiftLocNodeByDelta(op.oldNode, state.deltaBytes);
+            break;
+
+          case "delete":
+            shiftLocNodeByDelta(op.node, state.deltaBytes);
+            break;
+        }
+      });
+    }
+
+    uint8Buffer = state.uint8Buffer;
+  });
+  return uint8Buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-edit/lib/index.js b/node_modules/@webassemblyjs/wasm-edit/lib/index.js
new file mode 100644
index 00000000..3f9b2957
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/lib/index.js
@@ -0,0 +1,133 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.edit = edit;
+exports.editWithAST = editWithAST;
+exports.add = add;
+exports.addWithAST = addWithAST;
+
+var _wasmParser = require("@webassemblyjs/wasm-parser");
+
+var _ast = require("@webassemblyjs/ast");
+
+var _clone = require("@webassemblyjs/ast/lib/clone");
+
+var _wasmOpt = require("@webassemblyjs/wasm-opt");
+
+var _helperWasmBytecode = _interopRequireWildcard(require("@webassemblyjs/helper-wasm-bytecode"));
+
+var _apply = require("./apply");
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function hashNode(node) {
+  return JSON.stringify(node);
+}
+
+function preprocess(ab) {
+  var optBin = (0, _wasmOpt.shrinkPaddedLEB128)(new Uint8Array(ab));
+  return optBin.buffer;
+}
+
+function sortBySectionOrder(nodes) {
+  var originalOrder = new Map();
+  var _iteratorNormalCompletion = true;
+  var _didIteratorError = false;
+  var _iteratorError = undefined;
+
+  try {
+    for (var _iterator = nodes[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+      var _node = _step.value;
+      originalOrder.set(_node, originalOrder.size);
+    }
+  } catch (err) {
+    _didIteratorError = true;
+    _iteratorError = err;
+  } finally {
+    try {
+      if (!_iteratorNormalCompletion && _iterator.return != null) {
+        _iterator.return();
+      }
+    } finally {
+      if (_didIteratorError) {
+        throw _iteratorError;
+      }
+    }
+  }
+
+  nodes.sort(function (a, b) {
+    var sectionA = (0, _helperWasmBytecode.getSectionForNode)(a);
+    var sectionB = (0, _helperWasmBytecode.getSectionForNode)(b);
+    var aId = _helperWasmBytecode.default.sections[sectionA];
+    var bId = _helperWasmBytecode.default.sections[sectionB];
+
+    if (typeof aId !== "number" || typeof bId !== "number") {
+      throw new Error("Section id not found");
+    }
+
+    if (aId === bId) {
+      // $FlowIgnore originalOrder is filled for all nodes
+      return originalOrder.get(a) - originalOrder.get(b);
+    }
+
+    return aId - bId;
+  });
+}
+
+function edit(ab, visitors) {
+  ab = preprocess(ab);
+  var ast = (0, _wasmParser.decode)(ab);
+  return editWithAST(ast, ab, visitors);
+}
+
+function editWithAST(ast, ab, visitors) {
+  var operations = [];
+  var uint8Buffer = new Uint8Array(ab);
+  var nodeBefore;
+
+  function before(type, path) {
+    nodeBefore = (0, _clone.cloneNode)(path.node);
+  }
+
+  function after(type, path) {
+    if (path.node._deleted === true) {
+      operations.push({
+        kind: "delete",
+        node: path.node
+      }); // $FlowIgnore
+    } else if (hashNode(nodeBefore) !== hashNode(path.node)) {
+      operations.push({
+        kind: "update",
+        oldNode: nodeBefore,
+        node: path.node
+      });
+    }
+  }
+
+  (0, _ast.traverse)(ast, visitors, before, after);
+  uint8Buffer = (0, _apply.applyOperations)(ast, uint8Buffer, operations);
+  return uint8Buffer.buffer;
+}
+
+function add(ab, newNodes) {
+  ab = preprocess(ab);
+  var ast = (0, _wasmParser.decode)(ab);
+  return addWithAST(ast, ab, newNodes);
+}
+
+function addWithAST(ast, ab, newNodes) {
+  // Sort nodes by insertion order
+  sortBySectionOrder(newNodes);
+  var uint8Buffer = new Uint8Array(ab); // Map node into operations
+
+  var operations = newNodes.map(function (n) {
+    return {
+      kind: "add",
+      node: n
+    };
+  });
+  uint8Buffer = (0, _apply.applyOperations)(ast, uint8Buffer, operations);
+  return uint8Buffer.buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-edit/package.json b/node_modules/@webassemblyjs/wasm-edit/package.json
new file mode 100644
index 00000000..04fd51c2
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-edit/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@webassemblyjs/wasm-edit",
+  "version": "1.9.0",
+  "description": "",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-buffer": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+    "@webassemblyjs/helper-wasm-section": "1.9.0",
+    "@webassemblyjs/wasm-gen": "1.9.0",
+    "@webassemblyjs/wasm-opt": "1.9.0",
+    "@webassemblyjs/wasm-parser": "1.9.0",
+    "@webassemblyjs/wast-printer": "1.9.0"
+  },
+  "devDependencies": {
+    "@webassemblyjs/helper-test-framework": "1.9.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/wasm-gen/LICENSE b/node_modules/@webassemblyjs/wasm-gen/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wasm-gen/esm/encoder/index.js b/node_modules/@webassemblyjs/wasm-gen/esm/encoder/index.js
new file mode 100644
index 00000000..ec31249e
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/esm/encoder/index.js
@@ -0,0 +1,301 @@
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+import * as leb from "@webassemblyjs/leb128";
+import * as ieee754 from "@webassemblyjs/ieee754";
+import * as utf8 from "@webassemblyjs/utf8";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import { encodeNode } from "../index";
+
+function assertNotIdentifierNode(n) {
+  if (n.type === "Identifier") {
+    throw new Error("Unsupported node Identifier");
+  }
+}
+
+export function encodeVersion(v) {
+  var bytes = constants.moduleVersion;
+  bytes[0] = v;
+  return bytes;
+}
+export function encodeHeader() {
+  return constants.magicModuleHeader;
+}
+export function encodeU32(v) {
+  var uint8view = new Uint8Array(leb.encodeU32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeI32(v) {
+  var uint8view = new Uint8Array(leb.encodeI32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeI64(v) {
+  var uint8view = new Uint8Array(leb.encodeI64(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeVec(elements) {
+  var size = encodeU32(elements.length);
+  return _toConsumableArray(size).concat(_toConsumableArray(elements));
+}
+export function encodeValtype(v) {
+  var byte = constants.valtypesByString[v];
+
+  if (typeof byte === "undefined") {
+    throw new Error("Unknown valtype: " + v);
+  }
+
+  return parseInt(byte, 10);
+}
+export function encodeMutability(v) {
+  var byte = constants.globalTypesByString[v];
+
+  if (typeof byte === "undefined") {
+    throw new Error("Unknown mutability: " + v);
+  }
+
+  return parseInt(byte, 10);
+}
+export function encodeUTF8Vec(str) {
+  return encodeVec(utf8.encode(str));
+}
+export function encodeLimits(n) {
+  var out = [];
+
+  if (typeof n.max === "number") {
+    out.push(0x01);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min))); // $FlowIgnore: ensured by the typeof
+
+    out.push.apply(out, _toConsumableArray(encodeU32(n.max)));
+  } else {
+    out.push(0x00);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min)));
+  }
+
+  return out;
+}
+export function encodeModuleImport(n) {
+  var out = [];
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.module)));
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+
+  switch (n.descr.type) {
+    case "GlobalType":
+      {
+        out.push(0x03); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeValtype(n.descr.valtype)); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeMutability(n.descr.mutability));
+        break;
+      }
+
+    case "Memory":
+      {
+        out.push(0x02); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "Table":
+      {
+        out.push(0x01);
+        out.push(0x70); // element type
+        // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "FuncImportDescr":
+      {
+        out.push(0x00); // $FlowIgnore
+
+        assertNotIdentifierNode(n.descr.id); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+        break;
+      }
+
+    default:
+      throw new Error("Unsupport operation: encode module import of type: " + n.descr.type);
+  }
+
+  return out;
+}
+export function encodeSectionMetadata(n) {
+  var out = [];
+  var sectionId = constants.sections[n.section];
+
+  if (typeof sectionId === "undefined") {
+    throw new Error("Unknown section: " + n.section);
+  }
+
+  if (n.section === "start") {
+    /**
+     * This is not implemented yet because it's a special case which
+     * doesn't have a vector in its section.
+     */
+    throw new Error("Unsupported section encoding of type start");
+  }
+
+  out.push(sectionId);
+  out.push.apply(out, _toConsumableArray(encodeU32(n.size.value)));
+  out.push.apply(out, _toConsumableArray(encodeU32(n.vectorOfSize.value)));
+  return out;
+}
+export function encodeCallInstruction(n) {
+  var out = [];
+  assertNotIdentifierNode(n.index);
+  out.push(0x10); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value)));
+  return out;
+}
+export function encodeCallIndirectInstruction(n) {
+  var out = []; // $FlowIgnore
+
+  assertNotIdentifierNode(n.index);
+  out.push(0x11); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value))); // add a reserved byte
+
+  out.push(0x00);
+  return out;
+}
+export function encodeModuleExport(n) {
+  var out = [];
+  assertNotIdentifierNode(n.descr.id);
+  var exportTypeByteString = constants.exportTypesByName[n.descr.exportType];
+
+  if (typeof exportTypeByteString === "undefined") {
+    throw new Error("Unknown export of type: " + n.descr.exportType);
+  }
+
+  var exportTypeByte = parseInt(exportTypeByteString, 10);
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+  out.push(exportTypeByte); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+  return out;
+}
+export function encodeTypeInstruction(n) {
+  var out = [0x60];
+  var params = n.functype.params.map(function (x) {
+    return x.valtype;
+  }).map(encodeValtype);
+  var results = n.functype.results.map(encodeValtype);
+  out.push.apply(out, _toConsumableArray(encodeVec(params)));
+  out.push.apply(out, _toConsumableArray(encodeVec(results)));
+  return out;
+}
+export function encodeInstr(n) {
+  var out = [];
+  var instructionName = n.id;
+
+  if (typeof n.object === "string") {
+    instructionName = "".concat(n.object, ".").concat(String(n.id));
+  }
+
+  var byteString = constants.symbolsByName[instructionName];
+
+  if (typeof byteString === "undefined") {
+    throw new Error("encodeInstr: unknown instruction " + JSON.stringify(instructionName));
+  }
+
+  var byte = parseInt(byteString, 10);
+  out.push(byte);
+
+  if (n.args) {
+    n.args.forEach(function (arg) {
+      var encoder = encodeU32; // find correct encoder
+
+      if (n.object === "i32") {
+        encoder = encodeI32;
+      }
+
+      if (n.object === "i64") {
+        encoder = encodeI64;
+      }
+
+      if (n.object === "f32") {
+        encoder = ieee754.encodeF32;
+      }
+
+      if (n.object === "f64") {
+        encoder = ieee754.encodeF64;
+      }
+
+      if (arg.type === "NumberLiteral" || arg.type === "FloatLiteral" || arg.type === "LongNumberLiteral") {
+        // $FlowIgnore
+        out.push.apply(out, _toConsumableArray(encoder(arg.value)));
+      } else {
+        throw new Error("Unsupported instruction argument encoding " + JSON.stringify(arg.type));
+      }
+    });
+  }
+
+  return out;
+}
+
+function encodeExpr(instrs) {
+  var out = [];
+  instrs.forEach(function (instr) {
+    // $FlowIgnore
+    var n = encodeNode(instr);
+    out.push.apply(out, _toConsumableArray(n));
+  });
+  return out;
+}
+
+export function encodeStringLiteral(n) {
+  return encodeUTF8Vec(n.value);
+}
+export function encodeGlobal(n) {
+  var out = [];
+  var _n$globalType = n.globalType,
+      valtype = _n$globalType.valtype,
+      mutability = _n$globalType.mutability;
+  out.push(encodeValtype(valtype));
+  out.push(encodeMutability(mutability));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.init)));
+  return out;
+}
+export function encodeFuncBody(n) {
+  var out = [];
+  out.push(-1); // temporary function body size
+  // FIXME(sven): get the func locals?
+
+  var localBytes = encodeVec([]);
+  out.push.apply(out, _toConsumableArray(localBytes));
+  var funcBodyBytes = encodeExpr(n.body);
+  out[0] = funcBodyBytes.length + localBytes.length;
+  out.push.apply(out, _toConsumableArray(funcBodyBytes));
+  return out;
+}
+export function encodeIndexInFuncSection(n) {
+  assertNotIdentifierNode(n.index); // $FlowIgnore
+
+  return encodeU32(n.index.value);
+}
+export function encodeElem(n) {
+  var out = [];
+  assertNotIdentifierNode(n.table); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.table.value)));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.offset))); // $FlowIgnore
+
+  var funcs = n.funcs.reduce(function (acc, x) {
+    return _toConsumableArray(acc).concat(_toConsumableArray(encodeU32(x.value)));
+  }, []);
+  out.push.apply(out, _toConsumableArray(encodeVec(funcs)));
+  return out;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-gen/esm/index.js b/node_modules/@webassemblyjs/wasm-gen/esm/index.js
new file mode 100644
index 00000000..83bc19fa
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/esm/index.js
@@ -0,0 +1,51 @@
+import * as encoder from "./encoder";
+export function encodeNode(n) {
+  switch (n.type) {
+    case "ModuleImport":
+      // $FlowIgnore: ModuleImport ensure that the node is well formated
+      return encoder.encodeModuleImport(n);
+
+    case "SectionMetadata":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeSectionMetadata(n);
+
+    case "CallInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallInstruction(n);
+
+    case "CallIndirectInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallIndirectInstruction(n);
+
+    case "TypeInstruction":
+      return encoder.encodeTypeInstruction(n);
+
+    case "Instr":
+      // $FlowIgnore
+      return encoder.encodeInstr(n);
+
+    case "ModuleExport":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeModuleExport(n);
+
+    case "Global":
+      // $FlowIgnore
+      return encoder.encodeGlobal(n);
+
+    case "Func":
+      return encoder.encodeFuncBody(n);
+
+    case "IndexInFuncSection":
+      return encoder.encodeIndexInFuncSection(n);
+
+    case "StringLiteral":
+      return encoder.encodeStringLiteral(n);
+
+    case "Elem":
+      return encoder.encodeElem(n);
+
+    default:
+      throw new Error("Unsupported encoding for node of type: " + JSON.stringify(n.type));
+  }
+}
+export var encodeU32 = encoder.encodeU32;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-gen/lib/encoder/index.js b/node_modules/@webassemblyjs/wasm-gen/lib/encoder/index.js
new file mode 100644
index 00000000..a77bff71
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/lib/encoder/index.js
@@ -0,0 +1,357 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.encodeVersion = encodeVersion;
+exports.encodeHeader = encodeHeader;
+exports.encodeU32 = encodeU32;
+exports.encodeI32 = encodeI32;
+exports.encodeI64 = encodeI64;
+exports.encodeVec = encodeVec;
+exports.encodeValtype = encodeValtype;
+exports.encodeMutability = encodeMutability;
+exports.encodeUTF8Vec = encodeUTF8Vec;
+exports.encodeLimits = encodeLimits;
+exports.encodeModuleImport = encodeModuleImport;
+exports.encodeSectionMetadata = encodeSectionMetadata;
+exports.encodeCallInstruction = encodeCallInstruction;
+exports.encodeCallIndirectInstruction = encodeCallIndirectInstruction;
+exports.encodeModuleExport = encodeModuleExport;
+exports.encodeTypeInstruction = encodeTypeInstruction;
+exports.encodeInstr = encodeInstr;
+exports.encodeStringLiteral = encodeStringLiteral;
+exports.encodeGlobal = encodeGlobal;
+exports.encodeFuncBody = encodeFuncBody;
+exports.encodeIndexInFuncSection = encodeIndexInFuncSection;
+exports.encodeElem = encodeElem;
+
+var leb = _interopRequireWildcard(require("@webassemblyjs/leb128"));
+
+var ieee754 = _interopRequireWildcard(require("@webassemblyjs/ieee754"));
+
+var utf8 = _interopRequireWildcard(require("@webassemblyjs/utf8"));
+
+var _helperWasmBytecode = _interopRequireDefault(require("@webassemblyjs/helper-wasm-bytecode"));
+
+var _index = require("../index");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function assertNotIdentifierNode(n) {
+  if (n.type === "Identifier") {
+    throw new Error("Unsupported node Identifier");
+  }
+}
+
+function encodeVersion(v) {
+  var bytes = _helperWasmBytecode.default.moduleVersion;
+  bytes[0] = v;
+  return bytes;
+}
+
+function encodeHeader() {
+  return _helperWasmBytecode.default.magicModuleHeader;
+}
+
+function encodeU32(v) {
+  var uint8view = new Uint8Array(leb.encodeU32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+
+function encodeI32(v) {
+  var uint8view = new Uint8Array(leb.encodeI32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+
+function encodeI64(v) {
+  var uint8view = new Uint8Array(leb.encodeI64(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+
+function encodeVec(elements) {
+  var size = encodeU32(elements.length);
+  return _toConsumableArray(size).concat(_toConsumableArray(elements));
+}
+
+function encodeValtype(v) {
+  var byte = _helperWasmBytecode.default.valtypesByString[v];
+
+  if (typeof byte === "undefined") {
+    throw new Error("Unknown valtype: " + v);
+  }
+
+  return parseInt(byte, 10);
+}
+
+function encodeMutability(v) {
+  var byte = _helperWasmBytecode.default.globalTypesByString[v];
+
+  if (typeof byte === "undefined") {
+    throw new Error("Unknown mutability: " + v);
+  }
+
+  return parseInt(byte, 10);
+}
+
+function encodeUTF8Vec(str) {
+  return encodeVec(utf8.encode(str));
+}
+
+function encodeLimits(n) {
+  var out = [];
+
+  if (typeof n.max === "number") {
+    out.push(0x01);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min))); // $FlowIgnore: ensured by the typeof
+
+    out.push.apply(out, _toConsumableArray(encodeU32(n.max)));
+  } else {
+    out.push(0x00);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min)));
+  }
+
+  return out;
+}
+
+function encodeModuleImport(n) {
+  var out = [];
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.module)));
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+
+  switch (n.descr.type) {
+    case "GlobalType":
+      {
+        out.push(0x03); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeValtype(n.descr.valtype)); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeMutability(n.descr.mutability));
+        break;
+      }
+
+    case "Memory":
+      {
+        out.push(0x02); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "Table":
+      {
+        out.push(0x01);
+        out.push(0x70); // element type
+        // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "FuncImportDescr":
+      {
+        out.push(0x00); // $FlowIgnore
+
+        assertNotIdentifierNode(n.descr.id); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+        break;
+      }
+
+    default:
+      throw new Error("Unsupport operation: encode module import of type: " + n.descr.type);
+  }
+
+  return out;
+}
+
+function encodeSectionMetadata(n) {
+  var out = [];
+  var sectionId = _helperWasmBytecode.default.sections[n.section];
+
+  if (typeof sectionId === "undefined") {
+    throw new Error("Unknown section: " + n.section);
+  }
+
+  if (n.section === "start") {
+    /**
+     * This is not implemented yet because it's a special case which
+     * doesn't have a vector in its section.
+     */
+    throw new Error("Unsupported section encoding of type start");
+  }
+
+  out.push(sectionId);
+  out.push.apply(out, _toConsumableArray(encodeU32(n.size.value)));
+  out.push.apply(out, _toConsumableArray(encodeU32(n.vectorOfSize.value)));
+  return out;
+}
+
+function encodeCallInstruction(n) {
+  var out = [];
+  assertNotIdentifierNode(n.index);
+  out.push(0x10); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value)));
+  return out;
+}
+
+function encodeCallIndirectInstruction(n) {
+  var out = []; // $FlowIgnore
+
+  assertNotIdentifierNode(n.index);
+  out.push(0x11); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value))); // add a reserved byte
+
+  out.push(0x00);
+  return out;
+}
+
+function encodeModuleExport(n) {
+  var out = [];
+  assertNotIdentifierNode(n.descr.id);
+  var exportTypeByteString = _helperWasmBytecode.default.exportTypesByName[n.descr.exportType];
+
+  if (typeof exportTypeByteString === "undefined") {
+    throw new Error("Unknown export of type: " + n.descr.exportType);
+  }
+
+  var exportTypeByte = parseInt(exportTypeByteString, 10);
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+  out.push(exportTypeByte); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+  return out;
+}
+
+function encodeTypeInstruction(n) {
+  var out = [0x60];
+  var params = n.functype.params.map(function (x) {
+    return x.valtype;
+  }).map(encodeValtype);
+  var results = n.functype.results.map(encodeValtype);
+  out.push.apply(out, _toConsumableArray(encodeVec(params)));
+  out.push.apply(out, _toConsumableArray(encodeVec(results)));
+  return out;
+}
+
+function encodeInstr(n) {
+  var out = [];
+  var instructionName = n.id;
+
+  if (typeof n.object === "string") {
+    instructionName = "".concat(n.object, ".").concat(String(n.id));
+  }
+
+  var byteString = _helperWasmBytecode.default.symbolsByName[instructionName];
+
+  if (typeof byteString === "undefined") {
+    throw new Error("encodeInstr: unknown instruction " + JSON.stringify(instructionName));
+  }
+
+  var byte = parseInt(byteString, 10);
+  out.push(byte);
+
+  if (n.args) {
+    n.args.forEach(function (arg) {
+      var encoder = encodeU32; // find correct encoder
+
+      if (n.object === "i32") {
+        encoder = encodeI32;
+      }
+
+      if (n.object === "i64") {
+        encoder = encodeI64;
+      }
+
+      if (n.object === "f32") {
+        encoder = ieee754.encodeF32;
+      }
+
+      if (n.object === "f64") {
+        encoder = ieee754.encodeF64;
+      }
+
+      if (arg.type === "NumberLiteral" || arg.type === "FloatLiteral" || arg.type === "LongNumberLiteral") {
+        // $FlowIgnore
+        out.push.apply(out, _toConsumableArray(encoder(arg.value)));
+      } else {
+        throw new Error("Unsupported instruction argument encoding " + JSON.stringify(arg.type));
+      }
+    });
+  }
+
+  return out;
+}
+
+function encodeExpr(instrs) {
+  var out = [];
+  instrs.forEach(function (instr) {
+    // $FlowIgnore
+    var n = (0, _index.encodeNode)(instr);
+    out.push.apply(out, _toConsumableArray(n));
+  });
+  return out;
+}
+
+function encodeStringLiteral(n) {
+  return encodeUTF8Vec(n.value);
+}
+
+function encodeGlobal(n) {
+  var out = [];
+  var _n$globalType = n.globalType,
+      valtype = _n$globalType.valtype,
+      mutability = _n$globalType.mutability;
+  out.push(encodeValtype(valtype));
+  out.push(encodeMutability(mutability));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.init)));
+  return out;
+}
+
+function encodeFuncBody(n) {
+  var out = [];
+  out.push(-1); // temporary function body size
+  // FIXME(sven): get the func locals?
+
+  var localBytes = encodeVec([]);
+  out.push.apply(out, _toConsumableArray(localBytes));
+  var funcBodyBytes = encodeExpr(n.body);
+  out[0] = funcBodyBytes.length + localBytes.length;
+  out.push.apply(out, _toConsumableArray(funcBodyBytes));
+  return out;
+}
+
+function encodeIndexInFuncSection(n) {
+  assertNotIdentifierNode(n.index); // $FlowIgnore
+
+  return encodeU32(n.index.value);
+}
+
+function encodeElem(n) {
+  var out = [];
+  assertNotIdentifierNode(n.table); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.table.value)));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.offset))); // $FlowIgnore
+
+  var funcs = n.funcs.reduce(function (acc, x) {
+    return _toConsumableArray(acc).concat(_toConsumableArray(encodeU32(x.value)));
+  }, []);
+  out.push.apply(out, _toConsumableArray(encodeVec(funcs)));
+  return out;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-gen/lib/index.js b/node_modules/@webassemblyjs/wasm-gen/lib/index.js
new file mode 100644
index 00000000..f5095b1c
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/lib/index.js
@@ -0,0 +1,64 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.encodeNode = encodeNode;
+exports.encodeU32 = void 0;
+
+var encoder = _interopRequireWildcard(require("./encoder"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function encodeNode(n) {
+  switch (n.type) {
+    case "ModuleImport":
+      // $FlowIgnore: ModuleImport ensure that the node is well formated
+      return encoder.encodeModuleImport(n);
+
+    case "SectionMetadata":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeSectionMetadata(n);
+
+    case "CallInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallInstruction(n);
+
+    case "CallIndirectInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallIndirectInstruction(n);
+
+    case "TypeInstruction":
+      return encoder.encodeTypeInstruction(n);
+
+    case "Instr":
+      // $FlowIgnore
+      return encoder.encodeInstr(n);
+
+    case "ModuleExport":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeModuleExport(n);
+
+    case "Global":
+      // $FlowIgnore
+      return encoder.encodeGlobal(n);
+
+    case "Func":
+      return encoder.encodeFuncBody(n);
+
+    case "IndexInFuncSection":
+      return encoder.encodeIndexInFuncSection(n);
+
+    case "StringLiteral":
+      return encoder.encodeStringLiteral(n);
+
+    case "Elem":
+      return encoder.encodeElem(n);
+
+    default:
+      throw new Error("Unsupported encoding for node of type: " + JSON.stringify(n.type));
+  }
+}
+
+var encodeU32 = encoder.encodeU32;
+exports.encodeU32 = encodeU32;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-gen/package.json b/node_modules/@webassemblyjs/wasm-gen/package.json
new file mode 100644
index 00000000..09b88d30
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-gen/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "@webassemblyjs/wasm-gen",
+  "version": "1.9.0",
+  "description": "WebAssembly binary format printer",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+    "@webassemblyjs/ieee754": "1.9.0",
+    "@webassemblyjs/leb128": "1.9.0",
+    "@webassemblyjs/utf8": "1.9.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/wasm-opt/LICENSE b/node_modules/@webassemblyjs/wasm-opt/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wasm-opt/esm/index.js b/node_modules/@webassemblyjs/wasm-opt/esm/index.js
new file mode 100644
index 00000000..f9d92328
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/esm/index.js
@@ -0,0 +1,41 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+import { decode } from "@webassemblyjs/wasm-parser";
+import { shrinkPaddedLEB128 as makeShrinkPaddedLEB128 } from "./leb128.js";
+
+var OptimizerError =
+/*#__PURE__*/
+function (_Error) {
+  _inherits(OptimizerError, _Error);
+
+  function OptimizerError(name, initalError) {
+    var _this;
+
+    _classCallCheck(this, OptimizerError);
+
+    _this = _possibleConstructorReturn(this, (OptimizerError.__proto__ || Object.getPrototypeOf(OptimizerError)).call(this, "Error while optimizing: " + name + ": " + initalError.message));
+    _this.stack = initalError.stack;
+    return _this;
+  }
+
+  return OptimizerError;
+}(Error);
+
+var decoderOpts = {
+  ignoreCodeSection: true,
+  ignoreDataSection: true
+};
+export function shrinkPaddedLEB128(uint8Buffer) {
+  try {
+    var ast = decode(uint8Buffer.buffer, decoderOpts);
+    return makeShrinkPaddedLEB128(ast, uint8Buffer);
+  } catch (e) {
+    throw new OptimizerError("shrinkPaddedLEB128", e);
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-opt/esm/leb128.js b/node_modules/@webassemblyjs/wasm-opt/esm/leb128.js
new file mode 100644
index 00000000..3150c9ec
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/esm/leb128.js
@@ -0,0 +1,47 @@
+import { traverse, shiftSection } from "@webassemblyjs/ast";
+import { encodeU32 } from "@webassemblyjs/wasm-gen/lib/encoder";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+
+function shiftFollowingSections(ast, _ref, deltaInSizeEncoding) {
+  var section = _ref.section;
+  // Once we hit our section every that is after needs to be shifted by the delta
+  var encounteredSection = false;
+  traverse(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        shiftSection(ast, path.node, deltaInSizeEncoding);
+      }
+    }
+  });
+}
+
+export function shrinkPaddedLEB128(ast, uint8Buffer) {
+  traverse(ast, {
+    SectionMetadata: function SectionMetadata(_ref2) {
+      var node = _ref2.node;
+
+      /**
+       * Section size
+       */
+      {
+        var newu32Encoded = encodeU32(node.size.value);
+        var newu32EncodedLen = newu32Encoded.length;
+        var start = node.size.loc.start.column;
+        var end = node.size.loc.end.column;
+        var oldu32EncodedLen = end - start;
+
+        if (newu32EncodedLen !== oldu32EncodedLen) {
+          var deltaInSizeEncoding = oldu32EncodedLen - newu32EncodedLen;
+          uint8Buffer = overrideBytesInBuffer(uint8Buffer, start, end, newu32Encoded);
+          shiftFollowingSections(ast, node, -deltaInSizeEncoding);
+        }
+      }
+    }
+  });
+  return uint8Buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-opt/lib/index.js b/node_modules/@webassemblyjs/wasm-opt/lib/index.js
new file mode 100644
index 00000000..43559617
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/lib/index.js
@@ -0,0 +1,50 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.shrinkPaddedLEB128 = shrinkPaddedLEB128;
+
+var _wasmParser = require("@webassemblyjs/wasm-parser");
+
+var _leb = require("./leb128.js");
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OptimizerError =
+/*#__PURE__*/
+function (_Error) {
+  _inherits(OptimizerError, _Error);
+
+  function OptimizerError(name, initalError) {
+    var _this;
+
+    _classCallCheck(this, OptimizerError);
+
+    _this = _possibleConstructorReturn(this, (OptimizerError.__proto__ || Object.getPrototypeOf(OptimizerError)).call(this, "Error while optimizing: " + name + ": " + initalError.message));
+    _this.stack = initalError.stack;
+    return _this;
+  }
+
+  return OptimizerError;
+}(Error);
+
+var decoderOpts = {
+  ignoreCodeSection: true,
+  ignoreDataSection: true
+};
+
+function shrinkPaddedLEB128(uint8Buffer) {
+  try {
+    var ast = (0, _wasmParser.decode)(uint8Buffer.buffer, decoderOpts);
+    return (0, _leb.shrinkPaddedLEB128)(ast, uint8Buffer);
+  } catch (e) {
+    throw new OptimizerError("shrinkPaddedLEB128", e);
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-opt/lib/leb128.js b/node_modules/@webassemblyjs/wasm-opt/lib/leb128.js
new file mode 100644
index 00000000..e4a0e85d
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/lib/leb128.js
@@ -0,0 +1,56 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.shrinkPaddedLEB128 = shrinkPaddedLEB128;
+
+var _ast = require("@webassemblyjs/ast");
+
+var _encoder = require("@webassemblyjs/wasm-gen/lib/encoder");
+
+var _helperBuffer = require("@webassemblyjs/helper-buffer");
+
+function shiftFollowingSections(ast, _ref, deltaInSizeEncoding) {
+  var section = _ref.section;
+  // Once we hit our section every that is after needs to be shifted by the delta
+  var encounteredSection = false;
+  (0, _ast.traverse)(ast, {
+    SectionMetadata: function SectionMetadata(path) {
+      if (path.node.section === section) {
+        encounteredSection = true;
+        return;
+      }
+
+      if (encounteredSection === true) {
+        (0, _ast.shiftSection)(ast, path.node, deltaInSizeEncoding);
+      }
+    }
+  });
+}
+
+function shrinkPaddedLEB128(ast, uint8Buffer) {
+  (0, _ast.traverse)(ast, {
+    SectionMetadata: function SectionMetadata(_ref2) {
+      var node = _ref2.node;
+
+      /**
+       * Section size
+       */
+      {
+        var newu32Encoded = (0, _encoder.encodeU32)(node.size.value);
+        var newu32EncodedLen = newu32Encoded.length;
+        var start = node.size.loc.start.column;
+        var end = node.size.loc.end.column;
+        var oldu32EncodedLen = end - start;
+
+        if (newu32EncodedLen !== oldu32EncodedLen) {
+          var deltaInSizeEncoding = oldu32EncodedLen - newu32EncodedLen;
+          uint8Buffer = (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, start, end, newu32Encoded);
+          shiftFollowingSections(ast, node, -deltaInSizeEncoding);
+        }
+      }
+    }
+  });
+  return uint8Buffer;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-opt/package.json b/node_modules/@webassemblyjs/wasm-opt/package.json
new file mode 100644
index 00000000..4bcb9d70
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-opt/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "@webassemblyjs/wasm-opt",
+  "version": "1.9.0",
+  "description": "",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-buffer": "1.9.0",
+    "@webassemblyjs/wasm-gen": "1.9.0",
+    "@webassemblyjs/wasm-parser": "1.9.0"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/wasm-parser/LICENSE b/node_modules/@webassemblyjs/wasm-parser/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wasm-parser/README.md b/node_modules/@webassemblyjs/wasm-parser/README.md
new file mode 100644
index 00000000..19058d72
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/README.md
@@ -0,0 +1,26 @@
+# @webassemblyjs/wasm-parser
+
+> WebAssembly binary format parser
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/wasm-parser
+```
+
+## Usage
+
+```js
+import { decode } from "@webassemblyjs/wasm-parser";
+
+const decoderOpts = {};
+
+const ast = decode(binary, decoderOpts);
+```
+
+### Decoder options
+
+- `dump`: print dump information while decoding (default `false`)
+- `ignoreCodeSection`: ignore the code section (default `false`)
+- `ignoreDataSection`: ignore the data section (default `false`)
+
diff --git a/node_modules/@webassemblyjs/wasm-parser/esm/decoder.js b/node_modules/@webassemblyjs/wasm-parser/esm/decoder.js
new file mode 100644
index 00000000..0e48f8c9
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/esm/decoder.js
@@ -0,0 +1,1760 @@
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+import { CompileError } from "@webassemblyjs/helper-api-error";
+import * as ieee754 from "@webassemblyjs/ieee754";
+import * as utf8 from "@webassemblyjs/utf8";
+import * as t from "@webassemblyjs/ast";
+import { decodeInt32, decodeUInt32, MAX_NUMBER_OF_BYTE_U32, decodeInt64, decodeUInt64, MAX_NUMBER_OF_BYTE_U64 } from "@webassemblyjs/leb128";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+
+function toHex(n) {
+  return "0x" + Number(n).toString(16);
+}
+
+function byteArrayEq(l, r) {
+  if (l.length !== r.length) {
+    return false;
+  }
+
+  for (var i = 0; i < l.length; i++) {
+    if (l[i] !== r[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+export function decode(ab, opts) {
+  var buf = new Uint8Array(ab);
+  var getUniqueName = t.getUniqueNameGenerator();
+  var offset = 0;
+
+  function getPosition() {
+    return {
+      line: -1,
+      column: offset
+    };
+  }
+
+  function dump(b, msg) {
+    if (opts.dump === false) return;
+    var pad = "\t\t\t\t\t\t\t\t\t\t";
+    var str = "";
+
+    if (b.length < 5) {
+      str = b.map(toHex).join(" ");
+    } else {
+      str = "...";
+    }
+
+    console.log(toHex(offset) + ":\t", str, pad, ";", msg);
+  }
+
+  function dumpSep(msg) {
+    if (opts.dump === false) return;
+    console.log(";", msg);
+  }
+  /**
+   * TODO(sven): we can atually use a same structure
+   * we are adding incrementally new features
+   */
+
+
+  var state = {
+    elementsInFuncSection: [],
+    elementsInExportSection: [],
+    elementsInCodeSection: [],
+
+    /**
+     * Decode memory from:
+     * - Memory section
+     */
+    memoriesInModule: [],
+
+    /**
+     * Decoded types from:
+     * - Type section
+     */
+    typesInModule: [],
+
+    /**
+     * Decoded functions from:
+     * - Function section
+     * - Import section
+     */
+    functionsInModule: [],
+
+    /**
+     * Decoded tables from:
+     * - Table section
+     */
+    tablesInModule: [],
+
+    /**
+     * Decoded globals from:
+     * - Global section
+     */
+    globalsInModule: []
+  };
+
+  function isEOF() {
+    return offset >= buf.length;
+  }
+
+  function eatBytes(n) {
+    offset = offset + n;
+  }
+
+  function readBytesAtOffset(_offset, numberOfBytes) {
+    var arr = [];
+
+    for (var i = 0; i < numberOfBytes; i++) {
+      arr.push(buf[_offset + i]);
+    }
+
+    return arr;
+  }
+
+  function readBytes(numberOfBytes) {
+    return readBytesAtOffset(offset, numberOfBytes);
+  }
+
+  function readF64() {
+    var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F64);
+    var value = ieee754.decodeF64(bytes);
+
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 16 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
+    return {
+      value: value,
+      nextIndex: ieee754.NUMBER_OF_BYTE_F64
+    };
+  }
+
+  function readF32() {
+    var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F32);
+    var value = ieee754.decodeF32(bytes);
+
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 128 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
+    return {
+      value: value,
+      nextIndex: ieee754.NUMBER_OF_BYTE_F32
+    };
+  }
+
+  function readUTF8String() {
+    var lenu32 = readU32(); // Don't eat any bytes. Instead, peek ahead of the current offset using
+    // readBytesAtOffset below. This keeps readUTF8String neutral with respect
+    // to the current offset, just like the other readX functions.
+
+    var strlen = lenu32.value;
+    dump([strlen], "string length");
+    var bytes = readBytesAtOffset(offset + lenu32.nextIndex, strlen);
+    var value = utf8.decode(bytes);
+    return {
+      value: value,
+      nextIndex: strlen + lenu32.nextIndex
+    };
+  }
+  /**
+   * Decode an unsigned 32bits integer
+   *
+   * The length will be handled by the leb librairy, we pass the max number of
+   * byte.
+   */
+
+
+  function readU32() {
+    var bytes = readBytes(MAX_NUMBER_OF_BYTE_U32);
+    var buffer = Buffer.from(bytes);
+    return decodeUInt32(buffer);
+  }
+
+  function readVaruint32() {
+    // where 32 bits = max 4 bytes
+    var bytes = readBytes(4);
+    var buffer = Buffer.from(bytes);
+    return decodeUInt32(buffer);
+  }
+
+  function readVaruint7() {
+    // where 7 bits = max 1 bytes
+    var bytes = readBytes(1);
+    var buffer = Buffer.from(bytes);
+    return decodeUInt32(buffer);
+  }
+  /**
+   * Decode a signed 32bits interger
+   */
+
+
+  function read32() {
+    var bytes = readBytes(MAX_NUMBER_OF_BYTE_U32);
+    var buffer = Buffer.from(bytes);
+    return decodeInt32(buffer);
+  }
+  /**
+   * Decode a signed 64bits integer
+   */
+
+
+  function read64() {
+    var bytes = readBytes(MAX_NUMBER_OF_BYTE_U64);
+    var buffer = Buffer.from(bytes);
+    return decodeInt64(buffer);
+  }
+
+  function readU64() {
+    var bytes = readBytes(MAX_NUMBER_OF_BYTE_U64);
+    var buffer = Buffer.from(bytes);
+    return decodeUInt64(buffer);
+  }
+
+  function readByte() {
+    return readBytes(1)[0];
+  }
+
+  function parseModuleHeader() {
+    if (isEOF() === true || offset + 4 > buf.length) {
+      throw new Error("unexpected end");
+    }
+
+    var header = readBytes(4);
+
+    if (byteArrayEq(constants.magicModuleHeader, header) === false) {
+      throw new CompileError("magic header not detected");
+    }
+
+    dump(header, "wasm magic header");
+    eatBytes(4);
+  }
+
+  function parseVersion() {
+    if (isEOF() === true || offset + 4 > buf.length) {
+      throw new Error("unexpected end");
+    }
+
+    var version = readBytes(4);
+
+    if (byteArrayEq(constants.moduleVersion, version) === false) {
+      throw new CompileError("unknown binary version");
+    }
+
+    dump(version, "wasm version");
+    eatBytes(4);
+  }
+
+  function parseVec(cast) {
+    var u32 = readU32();
+    var length = u32.value;
+    eatBytes(u32.nextIndex);
+    dump([length], "number");
+
+    if (length === 0) {
+      return [];
+    }
+
+    var elements = [];
+
+    for (var i = 0; i < length; i++) {
+      var byte = readByte();
+      eatBytes(1);
+      var value = cast(byte);
+      dump([byte], value);
+
+      if (typeof value === "undefined") {
+        throw new CompileError("Internal failure: parseVec could not cast the value");
+      }
+
+      elements.push(value);
+    }
+
+    return elements;
+  } // Type section
+  // https://webassembly.github.io/spec/binary/modules.html#binary-typesec
+
+
+  function parseTypeSection(numberOfTypes) {
+    var typeInstructionNodes = [];
+    dump([numberOfTypes], "num types");
+
+    for (var i = 0; i < numberOfTypes; i++) {
+      var _startLoc = getPosition();
+
+      dumpSep("type " + i);
+      var type = readByte();
+      eatBytes(1);
+
+      if (type == constants.types.func) {
+        dump([type], "func");
+        var paramValtypes = parseVec(function (b) {
+          return constants.valtypes[b];
+        });
+        var params = paramValtypes.map(function (v) {
+          return t.funcParam(
+          /*valtype*/
+          v);
+        });
+        var result = parseVec(function (b) {
+          return constants.valtypes[b];
+        });
+        typeInstructionNodes.push(function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.typeInstruction(undefined, t.signature(params, result)), endLoc, _startLoc);
+        }());
+        state.typesInModule.push({
+          params: params,
+          result: result
+        });
+      } else {
+        throw new Error("Unsupported type: " + toHex(type));
+      }
+    }
+
+    return typeInstructionNodes;
+  } // Import section
+  // https://webassembly.github.io/spec/binary/modules.html#binary-importsec
+
+
+  function parseImportSection(numberOfImports) {
+    var imports = [];
+
+    for (var i = 0; i < numberOfImports; i++) {
+      dumpSep("import header " + i);
+
+      var _startLoc2 = getPosition();
+      /**
+       * Module name
+       */
+
+
+      var moduleName = readUTF8String();
+      eatBytes(moduleName.nextIndex);
+      dump([], "module name (".concat(moduleName.value, ")"));
+      /**
+       * Name
+       */
+
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      dump([], "name (".concat(name.value, ")"));
+      /**
+       * Import descr
+       */
+
+      var descrTypeByte = readByte();
+      eatBytes(1);
+      var descrType = constants.importTypes[descrTypeByte];
+      dump([descrTypeByte], "import kind");
+
+      if (typeof descrType === "undefined") {
+        throw new CompileError("Unknown import description type: " + toHex(descrTypeByte));
+      }
+
+      var importDescr = void 0;
+
+      if (descrType === "func") {
+        var indexU32 = readU32();
+        var typeindex = indexU32.value;
+        eatBytes(indexU32.nextIndex);
+        dump([typeindex], "type index");
+        var signature = state.typesInModule[typeindex];
+
+        if (typeof signature === "undefined") {
+          throw new CompileError("function signature not found (".concat(typeindex, ")"));
+        }
+
+        var id = getUniqueName("func");
+        importDescr = t.funcImportDescr(id, t.signature(signature.params, signature.result));
+        state.functionsInModule.push({
+          id: t.identifier(name.value),
+          signature: signature,
+          isExternal: true
+        });
+      } else if (descrType === "global") {
+        importDescr = parseGlobalType();
+        var globalNode = t.global(importDescr, []);
+        state.globalsInModule.push(globalNode);
+      } else if (descrType === "table") {
+        importDescr = parseTableType(i);
+      } else if (descrType === "mem") {
+        var memoryNode = parseMemoryType(0);
+        state.memoriesInModule.push(memoryNode);
+        importDescr = memoryNode;
+      } else {
+        throw new CompileError("Unsupported import of type: " + descrType);
+      }
+
+      imports.push(function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.moduleImport(moduleName.value, name.value, importDescr), endLoc, _startLoc2);
+      }());
+    }
+
+    return imports;
+  } // Function section
+  // https://webassembly.github.io/spec/binary/modules.html#function-section
+
+
+  function parseFuncSection(numberOfFunctions) {
+    dump([numberOfFunctions], "num funcs");
+
+    for (var i = 0; i < numberOfFunctions; i++) {
+      var indexU32 = readU32();
+      var typeindex = indexU32.value;
+      eatBytes(indexU32.nextIndex);
+      dump([typeindex], "type index");
+      var signature = state.typesInModule[typeindex];
+
+      if (typeof signature === "undefined") {
+        throw new CompileError("function signature not found (".concat(typeindex, ")"));
+      } // preserve anonymous, a name might be resolved later
+
+
+      var id = t.withRaw(t.identifier(getUniqueName("func")), "");
+      state.functionsInModule.push({
+        id: id,
+        signature: signature,
+        isExternal: false
+      });
+    }
+  } // Export section
+  // https://webassembly.github.io/spec/binary/modules.html#export-section
+
+
+  function parseExportSection(numberOfExport) {
+    dump([numberOfExport], "num exports"); // Parse vector of exports
+
+    for (var i = 0; i < numberOfExport; i++) {
+      var _startLoc3 = getPosition();
+      /**
+       * Name
+       */
+
+
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      dump([], "export name (".concat(name.value, ")"));
+      /**
+       * exportdescr
+       */
+
+      var typeIndex = readByte();
+      eatBytes(1);
+      dump([typeIndex], "export kind");
+      var indexu32 = readU32();
+      var index = indexu32.value;
+      eatBytes(indexu32.nextIndex);
+      dump([index], "export index");
+      var id = void 0,
+          signature = void 0;
+
+      if (constants.exportTypes[typeIndex] === "Func") {
+        var func = state.functionsInModule[index];
+
+        if (typeof func === "undefined") {
+          throw new CompileError("unknown function (".concat(index, ")"));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = func.signature;
+      } else if (constants.exportTypes[typeIndex] === "Table") {
+        var table = state.tablesInModule[index];
+
+        if (typeof table === "undefined") {
+          throw new CompileError("unknown table ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else if (constants.exportTypes[typeIndex] === "Mem") {
+        var memNode = state.memoriesInModule[index];
+
+        if (typeof memNode === "undefined") {
+          throw new CompileError("unknown memory ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else if (constants.exportTypes[typeIndex] === "Global") {
+        var global = state.globalsInModule[index];
+
+        if (typeof global === "undefined") {
+          throw new CompileError("unknown global ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else {
+        console.warn("Unsupported export type: " + toHex(typeIndex));
+        return;
+      }
+
+      var endLoc = getPosition();
+      state.elementsInExportSection.push({
+        name: name.value,
+        type: constants.exportTypes[typeIndex],
+        signature: signature,
+        id: id,
+        index: index,
+        endLoc: endLoc,
+        startLoc: _startLoc3
+      });
+    }
+  } // Code section
+  // https://webassembly.github.io/spec/binary/modules.html#code-section
+
+
+  function parseCodeSection(numberOfFuncs) {
+    dump([numberOfFuncs], "number functions"); // Parse vector of function
+
+    for (var i = 0; i < numberOfFuncs; i++) {
+      var _startLoc4 = getPosition();
+
+      dumpSep("function body " + i); // the u32 size of the function code in bytes
+      // Ignore it for now
+
+      var bodySizeU32 = readU32();
+      eatBytes(bodySizeU32.nextIndex);
+      dump([bodySizeU32.value], "function body size");
+      var code = [];
+      /**
+       * Parse locals
+       */
+
+      var funcLocalNumU32 = readU32();
+      var funcLocalNum = funcLocalNumU32.value;
+      eatBytes(funcLocalNumU32.nextIndex);
+      dump([funcLocalNum], "num locals");
+      var locals = [];
+
+      for (var _i = 0; _i < funcLocalNum; _i++) {
+        var _startLoc5 = getPosition();
+
+        var localCountU32 = readU32();
+        var localCount = localCountU32.value;
+        eatBytes(localCountU32.nextIndex);
+        dump([localCount], "num local");
+        var valtypeByte = readByte();
+        eatBytes(1);
+        var type = constants.valtypes[valtypeByte];
+        var args = [];
+
+        for (var _i2 = 0; _i2 < localCount; _i2++) {
+          args.push(t.valtypeLiteral(type));
+        }
+
+        var localNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.instruction("local", args), endLoc, _startLoc5);
+        }();
+
+        locals.push(localNode);
+        dump([valtypeByte], type);
+
+        if (typeof type === "undefined") {
+          throw new CompileError("Unexpected valtype: " + toHex(valtypeByte));
+        }
+      }
+
+      code.push.apply(code, locals); // Decode instructions until the end
+
+      parseInstructionBlock(code);
+      var endLoc = getPosition();
+      state.elementsInCodeSection.push({
+        code: code,
+        locals: locals,
+        endLoc: endLoc,
+        startLoc: _startLoc4,
+        bodySize: bodySizeU32.value
+      });
+    }
+  }
+
+  function parseInstructionBlock(code) {
+    while (true) {
+      var _startLoc6 = getPosition();
+
+      var instructionAlreadyCreated = false;
+      var instructionByte = readByte();
+      eatBytes(1);
+
+      if (instructionByte === 0xfe) {
+        throw new CompileError("Atomic instructions are not implemented");
+      }
+
+      var instruction = constants.symbolsByByte[instructionByte];
+
+      if (typeof instruction === "undefined") {
+        throw new CompileError("Unexpected instruction: " + toHex(instructionByte));
+      }
+
+      if (typeof instruction.object === "string") {
+        dump([instructionByte], "".concat(instruction.object, ".").concat(instruction.name));
+      } else {
+        dump([instructionByte], instruction.name);
+      }
+      /**
+       * End of the function
+       */
+
+
+      if (instruction.name === "end") {
+        var node = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.instruction(instruction.name), endLoc, _startLoc6);
+        }();
+
+        code.push(node);
+        break;
+      }
+
+      var args = [];
+
+      if (instruction.name === "loop") {
+        var _startLoc7 = getPosition();
+
+        var blocktypeByte = readByte();
+        eatBytes(1);
+        var blocktype = constants.blockTypes[blocktypeByte];
+        dump([blocktypeByte], "blocktype");
+
+        if (typeof blocktype === "undefined") {
+          throw new CompileError("Unexpected blocktype: " + toHex(blocktypeByte));
+        }
+
+        var instr = [];
+        parseInstructionBlock(instr); // preserve anonymous
+
+        var label = t.withRaw(t.identifier(getUniqueName("loop")), "");
+
+        var loopNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.loopInstruction(label, blocktype, instr), endLoc, _startLoc7);
+        }();
+
+        code.push(loopNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "if") {
+        var _startLoc8 = getPosition();
+
+        var _blocktypeByte = readByte();
+
+        eatBytes(1);
+        var _blocktype = constants.blockTypes[_blocktypeByte];
+        dump([_blocktypeByte], "blocktype");
+
+        if (typeof _blocktype === "undefined") {
+          throw new CompileError("Unexpected blocktype: " + toHex(_blocktypeByte));
+        }
+
+        var testIndex = t.withRaw(t.identifier(getUniqueName("if")), "");
+        var ifBody = [];
+        parseInstructionBlock(ifBody); // Defaults to no alternate
+
+        var elseIndex = 0;
+
+        for (elseIndex = 0; elseIndex < ifBody.length; ++elseIndex) {
+          var _instr = ifBody[elseIndex];
+
+          if (_instr.type === "Instr" && _instr.id === "else") {
+            break;
+          }
+        }
+
+        var consequentInstr = ifBody.slice(0, elseIndex);
+        var alternate = ifBody.slice(elseIndex + 1); // wast sugar
+
+        var testInstrs = [];
+
+        var ifNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.ifInstruction(testIndex, testInstrs, _blocktype, consequentInstr, alternate), endLoc, _startLoc8);
+        }();
+
+        code.push(ifNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "block") {
+        var _startLoc9 = getPosition();
+
+        var _blocktypeByte2 = readByte();
+
+        eatBytes(1);
+        var _blocktype2 = constants.blockTypes[_blocktypeByte2];
+        dump([_blocktypeByte2], "blocktype");
+
+        if (typeof _blocktype2 === "undefined") {
+          throw new CompileError("Unexpected blocktype: " + toHex(_blocktypeByte2));
+        }
+
+        var _instr2 = [];
+        parseInstructionBlock(_instr2); // preserve anonymous
+
+        var _label = t.withRaw(t.identifier(getUniqueName("block")), "");
+
+        var blockNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.blockInstruction(_label, _instr2, _blocktype2), endLoc, _startLoc9);
+        }();
+
+        code.push(blockNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "call") {
+        var indexu32 = readU32();
+        var index = indexu32.value;
+        eatBytes(indexu32.nextIndex);
+        dump([index], "index");
+
+        var callNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.callInstruction(t.indexLiteral(index)), endLoc, _startLoc6);
+        }();
+
+        code.push(callNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "call_indirect") {
+        var _startLoc10 = getPosition();
+
+        var indexU32 = readU32();
+        var typeindex = indexU32.value;
+        eatBytes(indexU32.nextIndex);
+        dump([typeindex], "type index");
+        var signature = state.typesInModule[typeindex];
+
+        if (typeof signature === "undefined") {
+          throw new CompileError("call_indirect signature not found (".concat(typeindex, ")"));
+        }
+
+        var _callNode = t.callIndirectInstruction(t.signature(signature.params, signature.result), []);
+
+        var flagU32 = readU32();
+        var flag = flagU32.value; // 0x00 - reserved byte
+
+        eatBytes(flagU32.nextIndex);
+
+        if (flag !== 0) {
+          throw new CompileError("zero flag expected");
+        }
+
+        code.push(function () {
+          var endLoc = getPosition();
+          return t.withLoc(_callNode, endLoc, _startLoc10);
+        }());
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "br_table") {
+        var indicesu32 = readU32();
+        var indices = indicesu32.value;
+        eatBytes(indicesu32.nextIndex);
+        dump([indices], "num indices");
+
+        for (var i = 0; i <= indices; i++) {
+          var _indexu = readU32();
+
+          var _index = _indexu.value;
+          eatBytes(_indexu.nextIndex);
+          dump([_index], "index");
+          args.push(t.numberLiteralFromRaw(_indexu.value.toString(), "u32"));
+        }
+      } else if (instructionByte >= 0x28 && instructionByte <= 0x40) {
+        /**
+         * Memory instructions
+         */
+        if (instruction.name === "grow_memory" || instruction.name === "current_memory") {
+          var _indexU = readU32();
+
+          var _index2 = _indexU.value;
+          eatBytes(_indexU.nextIndex);
+
+          if (_index2 !== 0) {
+            throw new Error("zero flag expected");
+          }
+
+          dump([_index2], "index");
+        } else {
+          var aligun32 = readU32();
+          var align = aligun32.value;
+          eatBytes(aligun32.nextIndex);
+          dump([align], "align");
+          var offsetu32 = readU32();
+          var _offset2 = offsetu32.value;
+          eatBytes(offsetu32.nextIndex);
+          dump([_offset2], "offset");
+        }
+      } else if (instructionByte >= 0x41 && instructionByte <= 0x44) {
+        /**
+         * Numeric instructions
+         */
+        if (instruction.object === "i32") {
+          var value32 = read32();
+          var value = value32.value;
+          eatBytes(value32.nextIndex);
+          dump([value], "i32 value");
+          args.push(t.numberLiteralFromRaw(value));
+        }
+
+        if (instruction.object === "u32") {
+          var valueu32 = readU32();
+          var _value = valueu32.value;
+          eatBytes(valueu32.nextIndex);
+          dump([_value], "u32 value");
+          args.push(t.numberLiteralFromRaw(_value));
+        }
+
+        if (instruction.object === "i64") {
+          var value64 = read64();
+          var _value2 = value64.value;
+          eatBytes(value64.nextIndex);
+          dump([Number(_value2.toString())], "i64 value");
+          var high = _value2.high,
+              low = _value2.low;
+          var _node = {
+            type: "LongNumberLiteral",
+            value: {
+              high: high,
+              low: low
+            }
+          };
+          args.push(_node);
+        }
+
+        if (instruction.object === "u64") {
+          var valueu64 = readU64();
+          var _value3 = valueu64.value;
+          eatBytes(valueu64.nextIndex);
+          dump([Number(_value3.toString())], "u64 value");
+          var _high = _value3.high,
+              _low = _value3.low;
+          var _node2 = {
+            type: "LongNumberLiteral",
+            value: {
+              high: _high,
+              low: _low
+            }
+          };
+          args.push(_node2);
+        }
+
+        if (instruction.object === "f32") {
+          var valuef32 = readF32();
+          var _value4 = valuef32.value;
+          eatBytes(valuef32.nextIndex);
+          dump([_value4], "f32 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value4, valuef32.nan, valuef32.inf, String(_value4)));
+        }
+
+        if (instruction.object === "f64") {
+          var valuef64 = readF64();
+          var _value5 = valuef64.value;
+          eatBytes(valuef64.nextIndex);
+          dump([_value5], "f64 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value5, valuef64.nan, valuef64.inf, String(_value5)));
+        }
+      } else {
+        for (var _i3 = 0; _i3 < instruction.numberOfArgs; _i3++) {
+          var u32 = readU32();
+          eatBytes(u32.nextIndex);
+          dump([u32.value], "argument " + _i3);
+          args.push(t.numberLiteralFromRaw(u32.value));
+        }
+      }
+
+      if (instructionAlreadyCreated === false) {
+        if (typeof instruction.object === "string") {
+          var _node3 = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.objectInstruction(instruction.name, instruction.object, args), endLoc, _startLoc6);
+          }();
+
+          code.push(_node3);
+        } else {
+          var _node4 = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.instruction(instruction.name, args), endLoc, _startLoc6);
+          }();
+
+          code.push(_node4);
+        }
+      }
+    }
+  } // https://webassembly.github.io/spec/core/binary/types.html#limits
+
+
+  function parseLimits() {
+    var limitType = readByte();
+    eatBytes(1);
+    dump([limitType], "limit type");
+    var min, max;
+
+    if (limitType === 0x01 || limitType === 0x03 // shared limits
+    ) {
+        var u32min = readU32();
+        min = parseInt(u32min.value);
+        eatBytes(u32min.nextIndex);
+        dump([min], "min");
+        var u32max = readU32();
+        max = parseInt(u32max.value);
+        eatBytes(u32max.nextIndex);
+        dump([max], "max");
+      }
+
+    if (limitType === 0x00) {
+      var _u32min = readU32();
+
+      min = parseInt(_u32min.value);
+      eatBytes(_u32min.nextIndex);
+      dump([min], "min");
+    }
+
+    return t.limit(min, max);
+  } // https://webassembly.github.io/spec/core/binary/types.html#binary-tabletype
+
+
+  function parseTableType(index) {
+    var name = t.withRaw(t.identifier(getUniqueName("table")), String(index));
+    var elementTypeByte = readByte();
+    eatBytes(1);
+    dump([elementTypeByte], "element type");
+    var elementType = constants.tableTypes[elementTypeByte];
+
+    if (typeof elementType === "undefined") {
+      throw new CompileError("Unknown element type in table: " + toHex(elementType));
+    }
+
+    var limits = parseLimits();
+    return t.table(elementType, limits, name);
+  } // https://webassembly.github.io/spec/binary/types.html#global-types
+
+
+  function parseGlobalType() {
+    var valtypeByte = readByte();
+    eatBytes(1);
+    var type = constants.valtypes[valtypeByte];
+    dump([valtypeByte], type);
+
+    if (typeof type === "undefined") {
+      throw new CompileError("Unknown valtype: " + toHex(valtypeByte));
+    }
+
+    var globalTypeByte = readByte();
+    eatBytes(1);
+    var globalType = constants.globalTypes[globalTypeByte];
+    dump([globalTypeByte], "global type (".concat(globalType, ")"));
+
+    if (typeof globalType === "undefined") {
+      throw new CompileError("Invalid mutability: " + toHex(globalTypeByte));
+    }
+
+    return t.globalType(type, globalType);
+  } // function parseNameModule() {
+  //   const lenu32 = readVaruint32();
+  //   eatBytes(lenu32.nextIndex);
+  //   console.log("len", lenu32);
+  //   const strlen = lenu32.value;
+  //   dump([strlen], "string length");
+  //   const bytes = readBytes(strlen);
+  //   eatBytes(strlen);
+  //   const value = utf8.decode(bytes);
+  //   return [t.moduleNameMetadata(value)];
+  // }
+  // this section contains an array of function names and indices
+
+
+  function parseNameSectionFunctions() {
+    var functionNames = [];
+    var numberOfFunctionsu32 = readU32();
+    var numbeOfFunctions = numberOfFunctionsu32.value;
+    eatBytes(numberOfFunctionsu32.nextIndex);
+
+    for (var i = 0; i < numbeOfFunctions; i++) {
+      var indexu32 = readU32();
+      var index = indexu32.value;
+      eatBytes(indexu32.nextIndex);
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      functionNames.push(t.functionNameMetadata(name.value, index));
+    }
+
+    return functionNames;
+  }
+
+  function parseNameSectionLocals() {
+    var localNames = [];
+    var numbeOfFunctionsu32 = readU32();
+    var numbeOfFunctions = numbeOfFunctionsu32.value;
+    eatBytes(numbeOfFunctionsu32.nextIndex);
+
+    for (var i = 0; i < numbeOfFunctions; i++) {
+      var functionIndexu32 = readU32();
+      var functionIndex = functionIndexu32.value;
+      eatBytes(functionIndexu32.nextIndex);
+      var numLocalsu32 = readU32();
+      var numLocals = numLocalsu32.value;
+      eatBytes(numLocalsu32.nextIndex);
+
+      for (var _i4 = 0; _i4 < numLocals; _i4++) {
+        var localIndexu32 = readU32();
+        var localIndex = localIndexu32.value;
+        eatBytes(localIndexu32.nextIndex);
+        var name = readUTF8String();
+        eatBytes(name.nextIndex);
+        localNames.push(t.localNameMetadata(name.value, localIndex, functionIndex));
+      }
+    }
+
+    return localNames;
+  } // this is a custom section used for name resolution
+  // https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md#name-section
+
+
+  function parseNameSection(remainingBytes) {
+    var nameMetadata = [];
+    var initialOffset = offset;
+
+    while (offset - initialOffset < remainingBytes) {
+      // name_type
+      var sectionTypeByte = readVaruint7();
+      eatBytes(sectionTypeByte.nextIndex); // name_payload_len
+
+      var subSectionSizeInBytesu32 = readVaruint32();
+      eatBytes(subSectionSizeInBytesu32.nextIndex);
+
+      switch (sectionTypeByte.value) {
+        // case 0: {
+        // TODO(sven): re-enable that
+        // Current status: it seems that when we decode the module's name
+        // no name_payload_len is used.
+        //
+        // See https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md#name-section
+        //
+        // nameMetadata.push(...parseNameModule());
+        // break;
+        // }
+        case 1:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionFunctions()));
+            break;
+          }
+
+        case 2:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionLocals()));
+            break;
+          }
+
+        default:
+          {
+            // skip unknown subsection
+            eatBytes(subSectionSizeInBytesu32.value);
+          }
+      }
+    }
+
+    return nameMetadata;
+  } // this is a custom section used for information about the producers
+  // https://github.com/WebAssembly/tool-conventions/blob/master/ProducersSection.md
+
+
+  function parseProducersSection() {
+    var metadata = t.producersSectionMetadata([]); // field_count
+
+    var sectionTypeByte = readVaruint32();
+    eatBytes(sectionTypeByte.nextIndex);
+    dump([sectionTypeByte.value], "num of producers");
+    var fields = {
+      language: [],
+      "processed-by": [],
+      sdk: []
+    }; // fields
+
+    for (var fieldI = 0; fieldI < sectionTypeByte.value; fieldI++) {
+      // field_name
+      var fieldName = readUTF8String();
+      eatBytes(fieldName.nextIndex); // field_value_count
+
+      var valueCount = readVaruint32();
+      eatBytes(valueCount.nextIndex); // field_values
+
+      for (var producerI = 0; producerI < valueCount.value; producerI++) {
+        var producerName = readUTF8String();
+        eatBytes(producerName.nextIndex);
+        var producerVersion = readUTF8String();
+        eatBytes(producerVersion.nextIndex);
+        fields[fieldName.value].push(t.producerMetadataVersionedName(producerName.value, producerVersion.value));
+      }
+
+      metadata.producers.push(fields[fieldName.value]);
+    }
+
+    return metadata;
+  }
+
+  function parseGlobalSection(numberOfGlobals) {
+    var globals = [];
+    dump([numberOfGlobals], "num globals");
+
+    for (var i = 0; i < numberOfGlobals; i++) {
+      var _startLoc11 = getPosition();
+
+      var globalType = parseGlobalType();
+      /**
+       * Global expressions
+       */
+
+      var init = [];
+      parseInstructionBlock(init);
+
+      var node = function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.global(globalType, init), endLoc, _startLoc11);
+      }();
+
+      globals.push(node);
+      state.globalsInModule.push(node);
+    }
+
+    return globals;
+  }
+
+  function parseElemSection(numberOfElements) {
+    var elems = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var _startLoc12 = getPosition();
+
+      var tableindexu32 = readU32();
+      var tableindex = tableindexu32.value;
+      eatBytes(tableindexu32.nextIndex);
+      dump([tableindex], "table index");
+      /**
+       * Parse instructions
+       */
+
+      var instr = [];
+      parseInstructionBlock(instr);
+      /**
+       * Parse ( vector function index ) *
+       */
+
+      var indicesu32 = readU32();
+      var indices = indicesu32.value;
+      eatBytes(indicesu32.nextIndex);
+      dump([indices], "num indices");
+      var indexValues = [];
+
+      for (var _i5 = 0; _i5 < indices; _i5++) {
+        var indexu32 = readU32();
+        var index = indexu32.value;
+        eatBytes(indexu32.nextIndex);
+        dump([index], "index");
+        indexValues.push(t.indexLiteral(index));
+      }
+
+      var elemNode = function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.elem(t.indexLiteral(tableindex), instr, indexValues), endLoc, _startLoc12);
+      }();
+
+      elems.push(elemNode);
+    }
+
+    return elems;
+  } // https://webassembly.github.io/spec/core/binary/types.html#memory-types
+
+
+  function parseMemoryType(i) {
+    var limits = parseLimits();
+    return t.memory(limits, t.indexLiteral(i));
+  } // https://webassembly.github.io/spec/binary/modules.html#table-section
+
+
+  function parseTableSection(numberOfElements) {
+    var tables = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var tablesNode = parseTableType(i);
+      state.tablesInModule.push(tablesNode);
+      tables.push(tablesNode);
+    }
+
+    return tables;
+  } // https://webassembly.github.io/spec/binary/modules.html#memory-section
+
+
+  function parseMemorySection(numberOfElements) {
+    var memories = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var memoryNode = parseMemoryType(i);
+      state.memoriesInModule.push(memoryNode);
+      memories.push(memoryNode);
+    }
+
+    return memories;
+  } // https://webassembly.github.io/spec/binary/modules.html#binary-startsec
+
+
+  function parseStartSection() {
+    var startLoc = getPosition();
+    var u32 = readU32();
+    var startFuncIndex = u32.value;
+    eatBytes(u32.nextIndex);
+    dump([startFuncIndex], "index");
+    return function () {
+      var endLoc = getPosition();
+      return t.withLoc(t.start(t.indexLiteral(startFuncIndex)), endLoc, startLoc);
+    }();
+  } // https://webassembly.github.io/spec/binary/modules.html#data-section
+
+
+  function parseDataSection(numberOfElements) {
+    var dataEntries = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var memoryIndexu32 = readU32();
+      var memoryIndex = memoryIndexu32.value;
+      eatBytes(memoryIndexu32.nextIndex);
+      dump([memoryIndex], "memory index");
+      var instrs = [];
+      parseInstructionBlock(instrs);
+      var hasExtraInstrs = instrs.filter(function (i) {
+        return i.id !== "end";
+      }).length !== 1;
+
+      if (hasExtraInstrs) {
+        throw new CompileError("data section offset must be a single instruction");
+      }
+
+      var bytes = parseVec(function (b) {
+        return b;
+      });
+      dump([], "init");
+      dataEntries.push(t.data(t.memIndexLiteral(memoryIndex), instrs[0], t.byteArray(bytes)));
+    }
+
+    return dataEntries;
+  } // https://webassembly.github.io/spec/binary/modules.html#binary-section
+
+
+  function parseSection(sectionIndex) {
+    var sectionId = readByte();
+    eatBytes(1);
+
+    if (sectionId >= sectionIndex || sectionIndex === constants.sections.custom) {
+      sectionIndex = sectionId + 1;
+    } else {
+      if (sectionId !== constants.sections.custom) throw new CompileError("Unexpected section: " + toHex(sectionId));
+    }
+
+    var nextSectionIndex = sectionIndex;
+    var startOffset = offset;
+    var startLoc = getPosition();
+    var u32 = readU32();
+    var sectionSizeInBytes = u32.value;
+    eatBytes(u32.nextIndex);
+
+    var sectionSizeInBytesNode = function () {
+      var endLoc = getPosition();
+      return t.withLoc(t.numberLiteralFromRaw(sectionSizeInBytes), endLoc, startLoc);
+    }();
+
+    switch (sectionId) {
+      case constants.sections.type:
+        {
+          dumpSep("section Type");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc13 = getPosition();
+
+          var _u = readU32();
+
+          var numberOfTypes = _u.value;
+          eatBytes(_u.nextIndex);
+
+          var _metadata = t.sectionMetadata("type", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfTypes), endLoc, _startLoc13);
+          }());
+
+          var _nodes = parseTypeSection(numberOfTypes);
+
+          return {
+            nodes: _nodes,
+            metadata: _metadata,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.table:
+        {
+          dumpSep("section Table");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc14 = getPosition();
+
+          var _u2 = readU32();
+
+          var numberOfTable = _u2.value;
+          eatBytes(_u2.nextIndex);
+          dump([numberOfTable], "num tables");
+
+          var _metadata2 = t.sectionMetadata("table", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfTable), endLoc, _startLoc14);
+          }());
+
+          var _nodes2 = parseTableSection(numberOfTable);
+
+          return {
+            nodes: _nodes2,
+            metadata: _metadata2,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.import:
+        {
+          dumpSep("section Import");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc15 = getPosition();
+
+          var numberOfImportsu32 = readU32();
+          var numberOfImports = numberOfImportsu32.value;
+          eatBytes(numberOfImportsu32.nextIndex);
+          dump([numberOfImports], "number of imports");
+
+          var _metadata3 = t.sectionMetadata("import", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfImports), endLoc, _startLoc15);
+          }());
+
+          var _nodes3 = parseImportSection(numberOfImports);
+
+          return {
+            nodes: _nodes3,
+            metadata: _metadata3,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.func:
+        {
+          dumpSep("section Function");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc16 = getPosition();
+
+          var numberOfFunctionsu32 = readU32();
+          var numberOfFunctions = numberOfFunctionsu32.value;
+          eatBytes(numberOfFunctionsu32.nextIndex);
+
+          var _metadata4 = t.sectionMetadata("func", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfFunctions), endLoc, _startLoc16);
+          }());
+
+          parseFuncSection(numberOfFunctions);
+          var _nodes4 = [];
+          return {
+            nodes: _nodes4,
+            metadata: _metadata4,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.export:
+        {
+          dumpSep("section Export");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc17 = getPosition();
+
+          var _u3 = readU32();
+
+          var numberOfExport = _u3.value;
+          eatBytes(_u3.nextIndex);
+
+          var _metadata5 = t.sectionMetadata("export", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfExport), endLoc, _startLoc17);
+          }());
+
+          parseExportSection(numberOfExport);
+          var _nodes5 = [];
+          return {
+            nodes: _nodes5,
+            metadata: _metadata5,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.code:
+        {
+          dumpSep("section Code");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc18 = getPosition();
+
+          var _u4 = readU32();
+
+          var numberOfFuncs = _u4.value;
+          eatBytes(_u4.nextIndex);
+
+          var _metadata6 = t.sectionMetadata("code", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfFuncs), endLoc, _startLoc18);
+          }());
+
+          if (opts.ignoreCodeSection === true) {
+            var remainingBytes = sectionSizeInBytes - _u4.nextIndex;
+            eatBytes(remainingBytes); // eat the entire section
+          } else {
+            parseCodeSection(numberOfFuncs);
+          }
+
+          var _nodes6 = [];
+          return {
+            nodes: _nodes6,
+            metadata: _metadata6,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.start:
+        {
+          dumpSep("section Start");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _metadata7 = t.sectionMetadata("start", startOffset, sectionSizeInBytesNode);
+
+          var _nodes7 = [parseStartSection()];
+          return {
+            nodes: _nodes7,
+            metadata: _metadata7,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.element:
+        {
+          dumpSep("section Element");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc19 = getPosition();
+
+          var numberOfElementsu32 = readU32();
+          var numberOfElements = numberOfElementsu32.value;
+          eatBytes(numberOfElementsu32.nextIndex);
+
+          var _metadata8 = t.sectionMetadata("element", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfElements), endLoc, _startLoc19);
+          }());
+
+          var _nodes8 = parseElemSection(numberOfElements);
+
+          return {
+            nodes: _nodes8,
+            metadata: _metadata8,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.global:
+        {
+          dumpSep("section Global");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc20 = getPosition();
+
+          var numberOfGlobalsu32 = readU32();
+          var numberOfGlobals = numberOfGlobalsu32.value;
+          eatBytes(numberOfGlobalsu32.nextIndex);
+
+          var _metadata9 = t.sectionMetadata("global", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfGlobals), endLoc, _startLoc20);
+          }());
+
+          var _nodes9 = parseGlobalSection(numberOfGlobals);
+
+          return {
+            nodes: _nodes9,
+            metadata: _metadata9,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.memory:
+        {
+          dumpSep("section Memory");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc21 = getPosition();
+
+          var _numberOfElementsu = readU32();
+
+          var _numberOfElements = _numberOfElementsu.value;
+          eatBytes(_numberOfElementsu.nextIndex);
+
+          var _metadata10 = t.sectionMetadata("memory", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(_numberOfElements), endLoc, _startLoc21);
+          }());
+
+          var _nodes10 = parseMemorySection(_numberOfElements);
+
+          return {
+            nodes: _nodes10,
+            metadata: _metadata10,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case constants.sections.data:
+        {
+          dumpSep("section Data");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _metadata11 = t.sectionMetadata("data", startOffset, sectionSizeInBytesNode);
+
+          var _startLoc22 = getPosition();
+
+          var _numberOfElementsu2 = readU32();
+
+          var _numberOfElements2 = _numberOfElementsu2.value;
+          eatBytes(_numberOfElementsu2.nextIndex);
+
+          _metadata11.vectorOfSize = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(_numberOfElements2), endLoc, _startLoc22);
+          }();
+
+          if (opts.ignoreDataSection === true) {
+            var _remainingBytes = sectionSizeInBytes - _numberOfElementsu2.nextIndex;
+
+            eatBytes(_remainingBytes); // eat the entire section
+
+            dumpSep("ignore data (" + sectionSizeInBytes + " bytes)");
+            return {
+              nodes: [],
+              metadata: _metadata11,
+              nextSectionIndex: nextSectionIndex
+            };
+          } else {
+            var _nodes11 = parseDataSection(_numberOfElements2);
+
+            return {
+              nodes: _nodes11,
+              metadata: _metadata11,
+              nextSectionIndex: nextSectionIndex
+            };
+          }
+        }
+
+      case constants.sections.custom:
+        {
+          dumpSep("section Custom");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+          var _metadata12 = [t.sectionMetadata("custom", startOffset, sectionSizeInBytesNode)];
+          var sectionName = readUTF8String();
+          eatBytes(sectionName.nextIndex);
+          dump([], "section name (".concat(sectionName.value, ")"));
+
+          var _remainingBytes2 = sectionSizeInBytes - sectionName.nextIndex;
+
+          if (sectionName.value === "name") {
+            var initialOffset = offset;
+
+            try {
+              _metadata12.push.apply(_metadata12, _toConsumableArray(parseNameSection(_remainingBytes2)));
+            } catch (e) {
+              console.warn("Failed to decode custom \"name\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
+              eatBytes(offset - (initialOffset + _remainingBytes2));
+            }
+          } else if (sectionName.value === "producers") {
+            var _initialOffset = offset;
+
+            try {
+              _metadata12.push(parseProducersSection());
+            } catch (e) {
+              console.warn("Failed to decode custom \"producers\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
+              eatBytes(offset - (_initialOffset + _remainingBytes2));
+            }
+          } else {
+            // We don't parse the custom section
+            eatBytes(_remainingBytes2);
+            dumpSep("ignore custom " + JSON.stringify(sectionName.value) + " section (" + _remainingBytes2 + " bytes)");
+          }
+
+          return {
+            nodes: [],
+            metadata: _metadata12,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+    }
+
+    throw new CompileError("Unexpected section: " + toHex(sectionId));
+  }
+
+  parseModuleHeader();
+  parseVersion();
+  var moduleFields = [];
+  var sectionIndex = 0;
+  var moduleMetadata = {
+    sections: [],
+    functionNames: [],
+    localNames: [],
+    producers: []
+  };
+  /**
+   * All the generate declaration are going to be stored in our state
+   */
+
+  while (offset < buf.length) {
+    var _parseSection = parseSection(sectionIndex),
+        _nodes12 = _parseSection.nodes,
+        _metadata13 = _parseSection.metadata,
+        nextSectionIndex = _parseSection.nextSectionIndex;
+
+    moduleFields.push.apply(moduleFields, _toConsumableArray(_nodes12));
+    var metadataArray = Array.isArray(_metadata13) ? _metadata13 : [_metadata13];
+    metadataArray.forEach(function (metadataItem) {
+      if (metadataItem.type === "FunctionNameMetadata") {
+        moduleMetadata.functionNames.push(metadataItem);
+      } else if (metadataItem.type === "LocalNameMetadata") {
+        moduleMetadata.localNames.push(metadataItem);
+      } else if (metadataItem.type === "ProducersSectionMetadata") {
+        moduleMetadata.producers.push(metadataItem);
+      } else {
+        moduleMetadata.sections.push(metadataItem);
+      }
+    }); // Ignore custom section
+
+    if (nextSectionIndex) {
+      sectionIndex = nextSectionIndex;
+    }
+  }
+  /**
+   * Transform the state into AST nodes
+   */
+
+
+  var funcIndex = 0;
+  state.functionsInModule.forEach(function (func) {
+    var params = func.signature.params;
+    var result = func.signature.result;
+    var body = []; // External functions doesn't provide any code, can skip it here
+
+    if (func.isExternal === true) {
+      return;
+    }
+
+    var decodedElementInCodeSection = state.elementsInCodeSection[funcIndex];
+
+    if (opts.ignoreCodeSection === false) {
+      if (typeof decodedElementInCodeSection === "undefined") {
+        throw new CompileError("func " + toHex(funcIndex) + " code not found");
+      }
+
+      body = decodedElementInCodeSection.code;
+    }
+
+    funcIndex++;
+    var funcNode = t.func(func.id, t.signature(params, result), body);
+
+    if (func.isExternal === true) {
+      funcNode.isExternal = func.isExternal;
+    } // Add function position in the binary if possible
+
+
+    if (opts.ignoreCodeSection === false) {
+      var _startLoc23 = decodedElementInCodeSection.startLoc,
+          endLoc = decodedElementInCodeSection.endLoc,
+          bodySize = decodedElementInCodeSection.bodySize;
+      funcNode = t.withLoc(funcNode, endLoc, _startLoc23);
+      funcNode.metadata = {
+        bodySize: bodySize
+      };
+    }
+
+    moduleFields.push(funcNode);
+  });
+  state.elementsInExportSection.forEach(function (moduleExport) {
+    /**
+     * If the export has no id, we won't be able to call it from the outside
+     * so we can omit it
+     */
+    if (moduleExport.id != null) {
+      moduleFields.push(t.withLoc(t.moduleExport(moduleExport.name, t.moduleExportDescr(moduleExport.type, moduleExport.id)), moduleExport.endLoc, moduleExport.startLoc));
+    }
+  });
+  dumpSep("end of program");
+  var module = t.module(null, moduleFields, t.moduleMetadata(moduleMetadata.sections, moduleMetadata.functionNames, moduleMetadata.localNames, moduleMetadata.producers));
+  return t.program([module]);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-parser/esm/index.js b/node_modules/@webassemblyjs/wasm-parser/esm/index.js
new file mode 100644
index 00000000..a5844d68
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/esm/index.js
@@ -0,0 +1,247 @@
+import * as decoder from "./decoder";
+import * as t from "@webassemblyjs/ast";
+/**
+ * TODO(sven): I added initial props, but we should rather fix
+ * https://github.com/xtuc/webassemblyjs/issues/405
+ */
+
+var defaultDecoderOpts = {
+  dump: false,
+  ignoreCodeSection: false,
+  ignoreDataSection: false,
+  ignoreCustomNameSection: false
+}; // traverses the AST, locating function name metadata, which is then
+// used to update index-based identifiers with function names
+
+function restoreFunctionNames(ast) {
+  var functionNames = [];
+  t.traverse(ast, {
+    FunctionNameMetadata: function FunctionNameMetadata(_ref) {
+      var node = _ref.node;
+      functionNames.push({
+        name: node.value,
+        index: node.index
+      });
+    }
+  });
+
+  if (functionNames.length === 0) {
+    return;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (_ref2) {
+      var node = _ref2.node;
+      // $FlowIgnore
+      var nodeName = node.name;
+      var indexBasedFunctionName = nodeName.value;
+      var index = Number(indexBasedFunctionName.replace("func_", ""));
+      var functionName = functionNames.find(function (f) {
+        return f.index === index;
+      });
+
+      if (functionName) {
+        var oldValue = nodeName.value;
+        nodeName.value = functionName.name;
+        nodeName.numeric = oldValue; // $FlowIgnore
+
+        delete nodeName.raw;
+      }
+    }),
+    // Also update the reference in the export
+    ModuleExport: function (_ModuleExport) {
+      function ModuleExport(_x2) {
+        return _ModuleExport.apply(this, arguments);
+      }
+
+      ModuleExport.toString = function () {
+        return _ModuleExport.toString();
+      };
+
+      return ModuleExport;
+    }(function (_ref3) {
+      var node = _ref3.node;
+
+      if (node.descr.exportType === "Func") {
+        // $FlowIgnore
+        var nodeName = node.descr.id;
+        var index = nodeName.value;
+        var functionName = functionNames.find(function (f) {
+          return f.index === index;
+        });
+
+        if (functionName) {
+          node.descr.id = t.identifier(functionName.name);
+        }
+      }
+    }),
+    ModuleImport: function (_ModuleImport) {
+      function ModuleImport(_x3) {
+        return _ModuleImport.apply(this, arguments);
+      }
+
+      ModuleImport.toString = function () {
+        return _ModuleImport.toString();
+      };
+
+      return ModuleImport;
+    }(function (_ref4) {
+      var node = _ref4.node;
+
+      if (node.descr.type === "FuncImportDescr") {
+        // $FlowIgnore
+        var indexBasedFunctionName = node.descr.id;
+        var index = Number(indexBasedFunctionName.replace("func_", ""));
+        var functionName = functionNames.find(function (f) {
+          return f.index === index;
+        });
+
+        if (functionName) {
+          // $FlowIgnore
+          node.descr.id = t.identifier(functionName.name);
+        }
+      }
+    }),
+    CallInstruction: function (_CallInstruction) {
+      function CallInstruction(_x4) {
+        return _CallInstruction.apply(this, arguments);
+      }
+
+      CallInstruction.toString = function () {
+        return _CallInstruction.toString();
+      };
+
+      return CallInstruction;
+    }(function (nodePath) {
+      var node = nodePath.node;
+      var index = node.index.value;
+      var functionName = functionNames.find(function (f) {
+        return f.index === index;
+      });
+
+      if (functionName) {
+        var oldValue = node.index;
+        node.index = t.identifier(functionName.name);
+        node.numeric = oldValue; // $FlowIgnore
+
+        delete node.raw;
+      }
+    })
+  });
+}
+
+function restoreLocalNames(ast) {
+  var localNames = [];
+  t.traverse(ast, {
+    LocalNameMetadata: function LocalNameMetadata(_ref5) {
+      var node = _ref5.node;
+      localNames.push({
+        name: node.value,
+        localIndex: node.localIndex,
+        functionIndex: node.functionIndex
+      });
+    }
+  });
+
+  if (localNames.length === 0) {
+    return;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func2) {
+      function Func(_x5) {
+        return _Func2.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func2.toString();
+      };
+
+      return Func;
+    }(function (_ref6) {
+      var node = _ref6.node;
+      var signature = node.signature;
+
+      if (signature.type !== "Signature") {
+        return;
+      } // $FlowIgnore
+
+
+      var nodeName = node.name;
+      var indexBasedFunctionName = nodeName.value;
+      var functionIndex = Number(indexBasedFunctionName.replace("func_", ""));
+      signature.params.forEach(function (param, paramIndex) {
+        var paramName = localNames.find(function (f) {
+          return f.localIndex === paramIndex && f.functionIndex === functionIndex;
+        });
+
+        if (paramName && paramName.name !== "") {
+          param.id = paramName.name;
+        }
+      });
+    })
+  });
+}
+
+function restoreModuleName(ast) {
+  t.traverse(ast, {
+    ModuleNameMetadata: function (_ModuleNameMetadata) {
+      function ModuleNameMetadata(_x6) {
+        return _ModuleNameMetadata.apply(this, arguments);
+      }
+
+      ModuleNameMetadata.toString = function () {
+        return _ModuleNameMetadata.toString();
+      };
+
+      return ModuleNameMetadata;
+    }(function (moduleNameMetadataPath) {
+      // update module
+      t.traverse(ast, {
+        Module: function (_Module) {
+          function Module(_x7) {
+            return _Module.apply(this, arguments);
+          }
+
+          Module.toString = function () {
+            return _Module.toString();
+          };
+
+          return Module;
+        }(function (_ref7) {
+          var node = _ref7.node;
+          var name = moduleNameMetadataPath.node.value; // compatiblity with wast-parser
+
+          if (name === "") {
+            name = null;
+          }
+
+          node.id = name;
+        })
+      });
+    })
+  });
+}
+
+export function decode(buf, customOpts) {
+  var opts = Object.assign({}, defaultDecoderOpts, customOpts);
+  var ast = decoder.decode(buf, opts);
+
+  if (opts.ignoreCustomNameSection === false) {
+    restoreFunctionNames(ast);
+    restoreLocalNames(ast);
+    restoreModuleName(ast);
+  }
+
+  return ast;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-parser/esm/types/decoder.js b/node_modules/@webassemblyjs/wasm-parser/esm/types/decoder.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/wasm-parser/lib/decoder.js b/node_modules/@webassemblyjs/wasm-parser/lib/decoder.js
new file mode 100644
index 00000000..f218d383
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/lib/decoder.js
@@ -0,0 +1,1776 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decode = decode;
+
+var _helperApiError = require("@webassemblyjs/helper-api-error");
+
+var ieee754 = _interopRequireWildcard(require("@webassemblyjs/ieee754"));
+
+var utf8 = _interopRequireWildcard(require("@webassemblyjs/utf8"));
+
+var t = _interopRequireWildcard(require("@webassemblyjs/ast"));
+
+var _leb = require("@webassemblyjs/leb128");
+
+var _helperWasmBytecode = _interopRequireDefault(require("@webassemblyjs/helper-wasm-bytecode"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function toHex(n) {
+  return "0x" + Number(n).toString(16);
+}
+
+function byteArrayEq(l, r) {
+  if (l.length !== r.length) {
+    return false;
+  }
+
+  for (var i = 0; i < l.length; i++) {
+    if (l[i] !== r[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function decode(ab, opts) {
+  var buf = new Uint8Array(ab);
+  var getUniqueName = t.getUniqueNameGenerator();
+  var offset = 0;
+
+  function getPosition() {
+    return {
+      line: -1,
+      column: offset
+    };
+  }
+
+  function dump(b, msg) {
+    if (opts.dump === false) return;
+    var pad = "\t\t\t\t\t\t\t\t\t\t";
+    var str = "";
+
+    if (b.length < 5) {
+      str = b.map(toHex).join(" ");
+    } else {
+      str = "...";
+    }
+
+    console.log(toHex(offset) + ":\t", str, pad, ";", msg);
+  }
+
+  function dumpSep(msg) {
+    if (opts.dump === false) return;
+    console.log(";", msg);
+  }
+  /**
+   * TODO(sven): we can atually use a same structure
+   * we are adding incrementally new features
+   */
+
+
+  var state = {
+    elementsInFuncSection: [],
+    elementsInExportSection: [],
+    elementsInCodeSection: [],
+
+    /**
+     * Decode memory from:
+     * - Memory section
+     */
+    memoriesInModule: [],
+
+    /**
+     * Decoded types from:
+     * - Type section
+     */
+    typesInModule: [],
+
+    /**
+     * Decoded functions from:
+     * - Function section
+     * - Import section
+     */
+    functionsInModule: [],
+
+    /**
+     * Decoded tables from:
+     * - Table section
+     */
+    tablesInModule: [],
+
+    /**
+     * Decoded globals from:
+     * - Global section
+     */
+    globalsInModule: []
+  };
+
+  function isEOF() {
+    return offset >= buf.length;
+  }
+
+  function eatBytes(n) {
+    offset = offset + n;
+  }
+
+  function readBytesAtOffset(_offset, numberOfBytes) {
+    var arr = [];
+
+    for (var i = 0; i < numberOfBytes; i++) {
+      arr.push(buf[_offset + i]);
+    }
+
+    return arr;
+  }
+
+  function readBytes(numberOfBytes) {
+    return readBytesAtOffset(offset, numberOfBytes);
+  }
+
+  function readF64() {
+    var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F64);
+    var value = ieee754.decodeF64(bytes);
+
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 16 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
+    return {
+      value: value,
+      nextIndex: ieee754.NUMBER_OF_BYTE_F64
+    };
+  }
+
+  function readF32() {
+    var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F32);
+    var value = ieee754.decodeF32(bytes);
+
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 128 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
+    return {
+      value: value,
+      nextIndex: ieee754.NUMBER_OF_BYTE_F32
+    };
+  }
+
+  function readUTF8String() {
+    var lenu32 = readU32(); // Don't eat any bytes. Instead, peek ahead of the current offset using
+    // readBytesAtOffset below. This keeps readUTF8String neutral with respect
+    // to the current offset, just like the other readX functions.
+
+    var strlen = lenu32.value;
+    dump([strlen], "string length");
+    var bytes = readBytesAtOffset(offset + lenu32.nextIndex, strlen);
+    var value = utf8.decode(bytes);
+    return {
+      value: value,
+      nextIndex: strlen + lenu32.nextIndex
+    };
+  }
+  /**
+   * Decode an unsigned 32bits integer
+   *
+   * The length will be handled by the leb librairy, we pass the max number of
+   * byte.
+   */
+
+
+  function readU32() {
+    var bytes = readBytes(_leb.MAX_NUMBER_OF_BYTE_U32);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt32)(buffer);
+  }
+
+  function readVaruint32() {
+    // where 32 bits = max 4 bytes
+    var bytes = readBytes(4);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt32)(buffer);
+  }
+
+  function readVaruint7() {
+    // where 7 bits = max 1 bytes
+    var bytes = readBytes(1);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt32)(buffer);
+  }
+  /**
+   * Decode a signed 32bits interger
+   */
+
+
+  function read32() {
+    var bytes = readBytes(_leb.MAX_NUMBER_OF_BYTE_U32);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeInt32)(buffer);
+  }
+  /**
+   * Decode a signed 64bits integer
+   */
+
+
+  function read64() {
+    var bytes = readBytes(_leb.MAX_NUMBER_OF_BYTE_U64);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeInt64)(buffer);
+  }
+
+  function readU64() {
+    var bytes = readBytes(_leb.MAX_NUMBER_OF_BYTE_U64);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt64)(buffer);
+  }
+
+  function readByte() {
+    return readBytes(1)[0];
+  }
+
+  function parseModuleHeader() {
+    if (isEOF() === true || offset + 4 > buf.length) {
+      throw new Error("unexpected end");
+    }
+
+    var header = readBytes(4);
+
+    if (byteArrayEq(_helperWasmBytecode.default.magicModuleHeader, header) === false) {
+      throw new _helperApiError.CompileError("magic header not detected");
+    }
+
+    dump(header, "wasm magic header");
+    eatBytes(4);
+  }
+
+  function parseVersion() {
+    if (isEOF() === true || offset + 4 > buf.length) {
+      throw new Error("unexpected end");
+    }
+
+    var version = readBytes(4);
+
+    if (byteArrayEq(_helperWasmBytecode.default.moduleVersion, version) === false) {
+      throw new _helperApiError.CompileError("unknown binary version");
+    }
+
+    dump(version, "wasm version");
+    eatBytes(4);
+  }
+
+  function parseVec(cast) {
+    var u32 = readU32();
+    var length = u32.value;
+    eatBytes(u32.nextIndex);
+    dump([length], "number");
+
+    if (length === 0) {
+      return [];
+    }
+
+    var elements = [];
+
+    for (var i = 0; i < length; i++) {
+      var byte = readByte();
+      eatBytes(1);
+      var value = cast(byte);
+      dump([byte], value);
+
+      if (typeof value === "undefined") {
+        throw new _helperApiError.CompileError("Internal failure: parseVec could not cast the value");
+      }
+
+      elements.push(value);
+    }
+
+    return elements;
+  } // Type section
+  // https://webassembly.github.io/spec/binary/modules.html#binary-typesec
+
+
+  function parseTypeSection(numberOfTypes) {
+    var typeInstructionNodes = [];
+    dump([numberOfTypes], "num types");
+
+    for (var i = 0; i < numberOfTypes; i++) {
+      var _startLoc = getPosition();
+
+      dumpSep("type " + i);
+      var type = readByte();
+      eatBytes(1);
+
+      if (type == _helperWasmBytecode.default.types.func) {
+        dump([type], "func");
+        var paramValtypes = parseVec(function (b) {
+          return _helperWasmBytecode.default.valtypes[b];
+        });
+        var params = paramValtypes.map(function (v) {
+          return t.funcParam(
+          /*valtype*/
+          v);
+        });
+        var result = parseVec(function (b) {
+          return _helperWasmBytecode.default.valtypes[b];
+        });
+        typeInstructionNodes.push(function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.typeInstruction(undefined, t.signature(params, result)), endLoc, _startLoc);
+        }());
+        state.typesInModule.push({
+          params: params,
+          result: result
+        });
+      } else {
+        throw new Error("Unsupported type: " + toHex(type));
+      }
+    }
+
+    return typeInstructionNodes;
+  } // Import section
+  // https://webassembly.github.io/spec/binary/modules.html#binary-importsec
+
+
+  function parseImportSection(numberOfImports) {
+    var imports = [];
+
+    for (var i = 0; i < numberOfImports; i++) {
+      dumpSep("import header " + i);
+
+      var _startLoc2 = getPosition();
+      /**
+       * Module name
+       */
+
+
+      var moduleName = readUTF8String();
+      eatBytes(moduleName.nextIndex);
+      dump([], "module name (".concat(moduleName.value, ")"));
+      /**
+       * Name
+       */
+
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      dump([], "name (".concat(name.value, ")"));
+      /**
+       * Import descr
+       */
+
+      var descrTypeByte = readByte();
+      eatBytes(1);
+      var descrType = _helperWasmBytecode.default.importTypes[descrTypeByte];
+      dump([descrTypeByte], "import kind");
+
+      if (typeof descrType === "undefined") {
+        throw new _helperApiError.CompileError("Unknown import description type: " + toHex(descrTypeByte));
+      }
+
+      var importDescr = void 0;
+
+      if (descrType === "func") {
+        var indexU32 = readU32();
+        var typeindex = indexU32.value;
+        eatBytes(indexU32.nextIndex);
+        dump([typeindex], "type index");
+        var signature = state.typesInModule[typeindex];
+
+        if (typeof signature === "undefined") {
+          throw new _helperApiError.CompileError("function signature not found (".concat(typeindex, ")"));
+        }
+
+        var id = getUniqueName("func");
+        importDescr = t.funcImportDescr(id, t.signature(signature.params, signature.result));
+        state.functionsInModule.push({
+          id: t.identifier(name.value),
+          signature: signature,
+          isExternal: true
+        });
+      } else if (descrType === "global") {
+        importDescr = parseGlobalType();
+        var globalNode = t.global(importDescr, []);
+        state.globalsInModule.push(globalNode);
+      } else if (descrType === "table") {
+        importDescr = parseTableType(i);
+      } else if (descrType === "mem") {
+        var memoryNode = parseMemoryType(0);
+        state.memoriesInModule.push(memoryNode);
+        importDescr = memoryNode;
+      } else {
+        throw new _helperApiError.CompileError("Unsupported import of type: " + descrType);
+      }
+
+      imports.push(function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.moduleImport(moduleName.value, name.value, importDescr), endLoc, _startLoc2);
+      }());
+    }
+
+    return imports;
+  } // Function section
+  // https://webassembly.github.io/spec/binary/modules.html#function-section
+
+
+  function parseFuncSection(numberOfFunctions) {
+    dump([numberOfFunctions], "num funcs");
+
+    for (var i = 0; i < numberOfFunctions; i++) {
+      var indexU32 = readU32();
+      var typeindex = indexU32.value;
+      eatBytes(indexU32.nextIndex);
+      dump([typeindex], "type index");
+      var signature = state.typesInModule[typeindex];
+
+      if (typeof signature === "undefined") {
+        throw new _helperApiError.CompileError("function signature not found (".concat(typeindex, ")"));
+      } // preserve anonymous, a name might be resolved later
+
+
+      var id = t.withRaw(t.identifier(getUniqueName("func")), "");
+      state.functionsInModule.push({
+        id: id,
+        signature: signature,
+        isExternal: false
+      });
+    }
+  } // Export section
+  // https://webassembly.github.io/spec/binary/modules.html#export-section
+
+
+  function parseExportSection(numberOfExport) {
+    dump([numberOfExport], "num exports"); // Parse vector of exports
+
+    for (var i = 0; i < numberOfExport; i++) {
+      var _startLoc3 = getPosition();
+      /**
+       * Name
+       */
+
+
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      dump([], "export name (".concat(name.value, ")"));
+      /**
+       * exportdescr
+       */
+
+      var typeIndex = readByte();
+      eatBytes(1);
+      dump([typeIndex], "export kind");
+      var indexu32 = readU32();
+      var index = indexu32.value;
+      eatBytes(indexu32.nextIndex);
+      dump([index], "export index");
+      var id = void 0,
+          signature = void 0;
+
+      if (_helperWasmBytecode.default.exportTypes[typeIndex] === "Func") {
+        var func = state.functionsInModule[index];
+
+        if (typeof func === "undefined") {
+          throw new _helperApiError.CompileError("unknown function (".concat(index, ")"));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = func.signature;
+      } else if (_helperWasmBytecode.default.exportTypes[typeIndex] === "Table") {
+        var table = state.tablesInModule[index];
+
+        if (typeof table === "undefined") {
+          throw new _helperApiError.CompileError("unknown table ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else if (_helperWasmBytecode.default.exportTypes[typeIndex] === "Mem") {
+        var memNode = state.memoriesInModule[index];
+
+        if (typeof memNode === "undefined") {
+          throw new _helperApiError.CompileError("unknown memory ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else if (_helperWasmBytecode.default.exportTypes[typeIndex] === "Global") {
+        var global = state.globalsInModule[index];
+
+        if (typeof global === "undefined") {
+          throw new _helperApiError.CompileError("unknown global ".concat(index));
+        }
+
+        id = t.numberLiteralFromRaw(index, String(index));
+        signature = null;
+      } else {
+        console.warn("Unsupported export type: " + toHex(typeIndex));
+        return;
+      }
+
+      var endLoc = getPosition();
+      state.elementsInExportSection.push({
+        name: name.value,
+        type: _helperWasmBytecode.default.exportTypes[typeIndex],
+        signature: signature,
+        id: id,
+        index: index,
+        endLoc: endLoc,
+        startLoc: _startLoc3
+      });
+    }
+  } // Code section
+  // https://webassembly.github.io/spec/binary/modules.html#code-section
+
+
+  function parseCodeSection(numberOfFuncs) {
+    dump([numberOfFuncs], "number functions"); // Parse vector of function
+
+    for (var i = 0; i < numberOfFuncs; i++) {
+      var _startLoc4 = getPosition();
+
+      dumpSep("function body " + i); // the u32 size of the function code in bytes
+      // Ignore it for now
+
+      var bodySizeU32 = readU32();
+      eatBytes(bodySizeU32.nextIndex);
+      dump([bodySizeU32.value], "function body size");
+      var code = [];
+      /**
+       * Parse locals
+       */
+
+      var funcLocalNumU32 = readU32();
+      var funcLocalNum = funcLocalNumU32.value;
+      eatBytes(funcLocalNumU32.nextIndex);
+      dump([funcLocalNum], "num locals");
+      var locals = [];
+
+      for (var _i = 0; _i < funcLocalNum; _i++) {
+        var _startLoc5 = getPosition();
+
+        var localCountU32 = readU32();
+        var localCount = localCountU32.value;
+        eatBytes(localCountU32.nextIndex);
+        dump([localCount], "num local");
+        var valtypeByte = readByte();
+        eatBytes(1);
+        var type = _helperWasmBytecode.default.valtypes[valtypeByte];
+        var args = [];
+
+        for (var _i2 = 0; _i2 < localCount; _i2++) {
+          args.push(t.valtypeLiteral(type));
+        }
+
+        var localNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.instruction("local", args), endLoc, _startLoc5);
+        }();
+
+        locals.push(localNode);
+        dump([valtypeByte], type);
+
+        if (typeof type === "undefined") {
+          throw new _helperApiError.CompileError("Unexpected valtype: " + toHex(valtypeByte));
+        }
+      }
+
+      code.push.apply(code, locals); // Decode instructions until the end
+
+      parseInstructionBlock(code);
+      var endLoc = getPosition();
+      state.elementsInCodeSection.push({
+        code: code,
+        locals: locals,
+        endLoc: endLoc,
+        startLoc: _startLoc4,
+        bodySize: bodySizeU32.value
+      });
+    }
+  }
+
+  function parseInstructionBlock(code) {
+    while (true) {
+      var _startLoc6 = getPosition();
+
+      var instructionAlreadyCreated = false;
+      var instructionByte = readByte();
+      eatBytes(1);
+
+      if (instructionByte === 0xfe) {
+        throw new _helperApiError.CompileError("Atomic instructions are not implemented");
+      }
+
+      var instruction = _helperWasmBytecode.default.symbolsByByte[instructionByte];
+
+      if (typeof instruction === "undefined") {
+        throw new _helperApiError.CompileError("Unexpected instruction: " + toHex(instructionByte));
+      }
+
+      if (typeof instruction.object === "string") {
+        dump([instructionByte], "".concat(instruction.object, ".").concat(instruction.name));
+      } else {
+        dump([instructionByte], instruction.name);
+      }
+      /**
+       * End of the function
+       */
+
+
+      if (instruction.name === "end") {
+        var node = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.instruction(instruction.name), endLoc, _startLoc6);
+        }();
+
+        code.push(node);
+        break;
+      }
+
+      var args = [];
+
+      if (instruction.name === "loop") {
+        var _startLoc7 = getPosition();
+
+        var blocktypeByte = readByte();
+        eatBytes(1);
+        var blocktype = _helperWasmBytecode.default.blockTypes[blocktypeByte];
+        dump([blocktypeByte], "blocktype");
+
+        if (typeof blocktype === "undefined") {
+          throw new _helperApiError.CompileError("Unexpected blocktype: " + toHex(blocktypeByte));
+        }
+
+        var instr = [];
+        parseInstructionBlock(instr); // preserve anonymous
+
+        var label = t.withRaw(t.identifier(getUniqueName("loop")), "");
+
+        var loopNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.loopInstruction(label, blocktype, instr), endLoc, _startLoc7);
+        }();
+
+        code.push(loopNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "if") {
+        var _startLoc8 = getPosition();
+
+        var _blocktypeByte = readByte();
+
+        eatBytes(1);
+        var _blocktype = _helperWasmBytecode.default.blockTypes[_blocktypeByte];
+        dump([_blocktypeByte], "blocktype");
+
+        if (typeof _blocktype === "undefined") {
+          throw new _helperApiError.CompileError("Unexpected blocktype: " + toHex(_blocktypeByte));
+        }
+
+        var testIndex = t.withRaw(t.identifier(getUniqueName("if")), "");
+        var ifBody = [];
+        parseInstructionBlock(ifBody); // Defaults to no alternate
+
+        var elseIndex = 0;
+
+        for (elseIndex = 0; elseIndex < ifBody.length; ++elseIndex) {
+          var _instr = ifBody[elseIndex];
+
+          if (_instr.type === "Instr" && _instr.id === "else") {
+            break;
+          }
+        }
+
+        var consequentInstr = ifBody.slice(0, elseIndex);
+        var alternate = ifBody.slice(elseIndex + 1); // wast sugar
+
+        var testInstrs = [];
+
+        var ifNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.ifInstruction(testIndex, testInstrs, _blocktype, consequentInstr, alternate), endLoc, _startLoc8);
+        }();
+
+        code.push(ifNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "block") {
+        var _startLoc9 = getPosition();
+
+        var _blocktypeByte2 = readByte();
+
+        eatBytes(1);
+        var _blocktype2 = _helperWasmBytecode.default.blockTypes[_blocktypeByte2];
+        dump([_blocktypeByte2], "blocktype");
+
+        if (typeof _blocktype2 === "undefined") {
+          throw new _helperApiError.CompileError("Unexpected blocktype: " + toHex(_blocktypeByte2));
+        }
+
+        var _instr2 = [];
+        parseInstructionBlock(_instr2); // preserve anonymous
+
+        var _label = t.withRaw(t.identifier(getUniqueName("block")), "");
+
+        var blockNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.blockInstruction(_label, _instr2, _blocktype2), endLoc, _startLoc9);
+        }();
+
+        code.push(blockNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "call") {
+        var indexu32 = readU32();
+        var index = indexu32.value;
+        eatBytes(indexu32.nextIndex);
+        dump([index], "index");
+
+        var callNode = function () {
+          var endLoc = getPosition();
+          return t.withLoc(t.callInstruction(t.indexLiteral(index)), endLoc, _startLoc6);
+        }();
+
+        code.push(callNode);
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "call_indirect") {
+        var _startLoc10 = getPosition();
+
+        var indexU32 = readU32();
+        var typeindex = indexU32.value;
+        eatBytes(indexU32.nextIndex);
+        dump([typeindex], "type index");
+        var signature = state.typesInModule[typeindex];
+
+        if (typeof signature === "undefined") {
+          throw new _helperApiError.CompileError("call_indirect signature not found (".concat(typeindex, ")"));
+        }
+
+        var _callNode = t.callIndirectInstruction(t.signature(signature.params, signature.result), []);
+
+        var flagU32 = readU32();
+        var flag = flagU32.value; // 0x00 - reserved byte
+
+        eatBytes(flagU32.nextIndex);
+
+        if (flag !== 0) {
+          throw new _helperApiError.CompileError("zero flag expected");
+        }
+
+        code.push(function () {
+          var endLoc = getPosition();
+          return t.withLoc(_callNode, endLoc, _startLoc10);
+        }());
+        instructionAlreadyCreated = true;
+      } else if (instruction.name === "br_table") {
+        var indicesu32 = readU32();
+        var indices = indicesu32.value;
+        eatBytes(indicesu32.nextIndex);
+        dump([indices], "num indices");
+
+        for (var i = 0; i <= indices; i++) {
+          var _indexu = readU32();
+
+          var _index = _indexu.value;
+          eatBytes(_indexu.nextIndex);
+          dump([_index], "index");
+          args.push(t.numberLiteralFromRaw(_indexu.value.toString(), "u32"));
+        }
+      } else if (instructionByte >= 0x28 && instructionByte <= 0x40) {
+        /**
+         * Memory instructions
+         */
+        if (instruction.name === "grow_memory" || instruction.name === "current_memory") {
+          var _indexU = readU32();
+
+          var _index2 = _indexU.value;
+          eatBytes(_indexU.nextIndex);
+
+          if (_index2 !== 0) {
+            throw new Error("zero flag expected");
+          }
+
+          dump([_index2], "index");
+        } else {
+          var aligun32 = readU32();
+          var align = aligun32.value;
+          eatBytes(aligun32.nextIndex);
+          dump([align], "align");
+          var offsetu32 = readU32();
+          var _offset2 = offsetu32.value;
+          eatBytes(offsetu32.nextIndex);
+          dump([_offset2], "offset");
+        }
+      } else if (instructionByte >= 0x41 && instructionByte <= 0x44) {
+        /**
+         * Numeric instructions
+         */
+        if (instruction.object === "i32") {
+          var value32 = read32();
+          var value = value32.value;
+          eatBytes(value32.nextIndex);
+          dump([value], "i32 value");
+          args.push(t.numberLiteralFromRaw(value));
+        }
+
+        if (instruction.object === "u32") {
+          var valueu32 = readU32();
+          var _value = valueu32.value;
+          eatBytes(valueu32.nextIndex);
+          dump([_value], "u32 value");
+          args.push(t.numberLiteralFromRaw(_value));
+        }
+
+        if (instruction.object === "i64") {
+          var value64 = read64();
+          var _value2 = value64.value;
+          eatBytes(value64.nextIndex);
+          dump([Number(_value2.toString())], "i64 value");
+          var high = _value2.high,
+              low = _value2.low;
+          var _node = {
+            type: "LongNumberLiteral",
+            value: {
+              high: high,
+              low: low
+            }
+          };
+          args.push(_node);
+        }
+
+        if (instruction.object === "u64") {
+          var valueu64 = readU64();
+          var _value3 = valueu64.value;
+          eatBytes(valueu64.nextIndex);
+          dump([Number(_value3.toString())], "u64 value");
+          var _high = _value3.high,
+              _low = _value3.low;
+          var _node2 = {
+            type: "LongNumberLiteral",
+            value: {
+              high: _high,
+              low: _low
+            }
+          };
+          args.push(_node2);
+        }
+
+        if (instruction.object === "f32") {
+          var valuef32 = readF32();
+          var _value4 = valuef32.value;
+          eatBytes(valuef32.nextIndex);
+          dump([_value4], "f32 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value4, valuef32.nan, valuef32.inf, String(_value4)));
+        }
+
+        if (instruction.object === "f64") {
+          var valuef64 = readF64();
+          var _value5 = valuef64.value;
+          eatBytes(valuef64.nextIndex);
+          dump([_value5], "f64 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value5, valuef64.nan, valuef64.inf, String(_value5)));
+        }
+      } else {
+        for (var _i3 = 0; _i3 < instruction.numberOfArgs; _i3++) {
+          var u32 = readU32();
+          eatBytes(u32.nextIndex);
+          dump([u32.value], "argument " + _i3);
+          args.push(t.numberLiteralFromRaw(u32.value));
+        }
+      }
+
+      if (instructionAlreadyCreated === false) {
+        if (typeof instruction.object === "string") {
+          var _node3 = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.objectInstruction(instruction.name, instruction.object, args), endLoc, _startLoc6);
+          }();
+
+          code.push(_node3);
+        } else {
+          var _node4 = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.instruction(instruction.name, args), endLoc, _startLoc6);
+          }();
+
+          code.push(_node4);
+        }
+      }
+    }
+  } // https://webassembly.github.io/spec/core/binary/types.html#limits
+
+
+  function parseLimits() {
+    var limitType = readByte();
+    eatBytes(1);
+    dump([limitType], "limit type");
+    var min, max;
+
+    if (limitType === 0x01 || limitType === 0x03 // shared limits
+    ) {
+        var u32min = readU32();
+        min = parseInt(u32min.value);
+        eatBytes(u32min.nextIndex);
+        dump([min], "min");
+        var u32max = readU32();
+        max = parseInt(u32max.value);
+        eatBytes(u32max.nextIndex);
+        dump([max], "max");
+      }
+
+    if (limitType === 0x00) {
+      var _u32min = readU32();
+
+      min = parseInt(_u32min.value);
+      eatBytes(_u32min.nextIndex);
+      dump([min], "min");
+    }
+
+    return t.limit(min, max);
+  } // https://webassembly.github.io/spec/core/binary/types.html#binary-tabletype
+
+
+  function parseTableType(index) {
+    var name = t.withRaw(t.identifier(getUniqueName("table")), String(index));
+    var elementTypeByte = readByte();
+    eatBytes(1);
+    dump([elementTypeByte], "element type");
+    var elementType = _helperWasmBytecode.default.tableTypes[elementTypeByte];
+
+    if (typeof elementType === "undefined") {
+      throw new _helperApiError.CompileError("Unknown element type in table: " + toHex(elementType));
+    }
+
+    var limits = parseLimits();
+    return t.table(elementType, limits, name);
+  } // https://webassembly.github.io/spec/binary/types.html#global-types
+
+
+  function parseGlobalType() {
+    var valtypeByte = readByte();
+    eatBytes(1);
+    var type = _helperWasmBytecode.default.valtypes[valtypeByte];
+    dump([valtypeByte], type);
+
+    if (typeof type === "undefined") {
+      throw new _helperApiError.CompileError("Unknown valtype: " + toHex(valtypeByte));
+    }
+
+    var globalTypeByte = readByte();
+    eatBytes(1);
+    var globalType = _helperWasmBytecode.default.globalTypes[globalTypeByte];
+    dump([globalTypeByte], "global type (".concat(globalType, ")"));
+
+    if (typeof globalType === "undefined") {
+      throw new _helperApiError.CompileError("Invalid mutability: " + toHex(globalTypeByte));
+    }
+
+    return t.globalType(type, globalType);
+  } // function parseNameModule() {
+  //   const lenu32 = readVaruint32();
+  //   eatBytes(lenu32.nextIndex);
+  //   console.log("len", lenu32);
+  //   const strlen = lenu32.value;
+  //   dump([strlen], "string length");
+  //   const bytes = readBytes(strlen);
+  //   eatBytes(strlen);
+  //   const value = utf8.decode(bytes);
+  //   return [t.moduleNameMetadata(value)];
+  // }
+  // this section contains an array of function names and indices
+
+
+  function parseNameSectionFunctions() {
+    var functionNames = [];
+    var numberOfFunctionsu32 = readU32();
+    var numbeOfFunctions = numberOfFunctionsu32.value;
+    eatBytes(numberOfFunctionsu32.nextIndex);
+
+    for (var i = 0; i < numbeOfFunctions; i++) {
+      var indexu32 = readU32();
+      var index = indexu32.value;
+      eatBytes(indexu32.nextIndex);
+      var name = readUTF8String();
+      eatBytes(name.nextIndex);
+      functionNames.push(t.functionNameMetadata(name.value, index));
+    }
+
+    return functionNames;
+  }
+
+  function parseNameSectionLocals() {
+    var localNames = [];
+    var numbeOfFunctionsu32 = readU32();
+    var numbeOfFunctions = numbeOfFunctionsu32.value;
+    eatBytes(numbeOfFunctionsu32.nextIndex);
+
+    for (var i = 0; i < numbeOfFunctions; i++) {
+      var functionIndexu32 = readU32();
+      var functionIndex = functionIndexu32.value;
+      eatBytes(functionIndexu32.nextIndex);
+      var numLocalsu32 = readU32();
+      var numLocals = numLocalsu32.value;
+      eatBytes(numLocalsu32.nextIndex);
+
+      for (var _i4 = 0; _i4 < numLocals; _i4++) {
+        var localIndexu32 = readU32();
+        var localIndex = localIndexu32.value;
+        eatBytes(localIndexu32.nextIndex);
+        var name = readUTF8String();
+        eatBytes(name.nextIndex);
+        localNames.push(t.localNameMetadata(name.value, localIndex, functionIndex));
+      }
+    }
+
+    return localNames;
+  } // this is a custom section used for name resolution
+  // https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md#name-section
+
+
+  function parseNameSection(remainingBytes) {
+    var nameMetadata = [];
+    var initialOffset = offset;
+
+    while (offset - initialOffset < remainingBytes) {
+      // name_type
+      var sectionTypeByte = readVaruint7();
+      eatBytes(sectionTypeByte.nextIndex); // name_payload_len
+
+      var subSectionSizeInBytesu32 = readVaruint32();
+      eatBytes(subSectionSizeInBytesu32.nextIndex);
+
+      switch (sectionTypeByte.value) {
+        // case 0: {
+        // TODO(sven): re-enable that
+        // Current status: it seems that when we decode the module's name
+        // no name_payload_len is used.
+        //
+        // See https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md#name-section
+        //
+        // nameMetadata.push(...parseNameModule());
+        // break;
+        // }
+        case 1:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionFunctions()));
+            break;
+          }
+
+        case 2:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionLocals()));
+            break;
+          }
+
+        default:
+          {
+            // skip unknown subsection
+            eatBytes(subSectionSizeInBytesu32.value);
+          }
+      }
+    }
+
+    return nameMetadata;
+  } // this is a custom section used for information about the producers
+  // https://github.com/WebAssembly/tool-conventions/blob/master/ProducersSection.md
+
+
+  function parseProducersSection() {
+    var metadata = t.producersSectionMetadata([]); // field_count
+
+    var sectionTypeByte = readVaruint32();
+    eatBytes(sectionTypeByte.nextIndex);
+    dump([sectionTypeByte.value], "num of producers");
+    var fields = {
+      language: [],
+      "processed-by": [],
+      sdk: []
+    }; // fields
+
+    for (var fieldI = 0; fieldI < sectionTypeByte.value; fieldI++) {
+      // field_name
+      var fieldName = readUTF8String();
+      eatBytes(fieldName.nextIndex); // field_value_count
+
+      var valueCount = readVaruint32();
+      eatBytes(valueCount.nextIndex); // field_values
+
+      for (var producerI = 0; producerI < valueCount.value; producerI++) {
+        var producerName = readUTF8String();
+        eatBytes(producerName.nextIndex);
+        var producerVersion = readUTF8String();
+        eatBytes(producerVersion.nextIndex);
+        fields[fieldName.value].push(t.producerMetadataVersionedName(producerName.value, producerVersion.value));
+      }
+
+      metadata.producers.push(fields[fieldName.value]);
+    }
+
+    return metadata;
+  }
+
+  function parseGlobalSection(numberOfGlobals) {
+    var globals = [];
+    dump([numberOfGlobals], "num globals");
+
+    for (var i = 0; i < numberOfGlobals; i++) {
+      var _startLoc11 = getPosition();
+
+      var globalType = parseGlobalType();
+      /**
+       * Global expressions
+       */
+
+      var init = [];
+      parseInstructionBlock(init);
+
+      var node = function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.global(globalType, init), endLoc, _startLoc11);
+      }();
+
+      globals.push(node);
+      state.globalsInModule.push(node);
+    }
+
+    return globals;
+  }
+
+  function parseElemSection(numberOfElements) {
+    var elems = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var _startLoc12 = getPosition();
+
+      var tableindexu32 = readU32();
+      var tableindex = tableindexu32.value;
+      eatBytes(tableindexu32.nextIndex);
+      dump([tableindex], "table index");
+      /**
+       * Parse instructions
+       */
+
+      var instr = [];
+      parseInstructionBlock(instr);
+      /**
+       * Parse ( vector function index ) *
+       */
+
+      var indicesu32 = readU32();
+      var indices = indicesu32.value;
+      eatBytes(indicesu32.nextIndex);
+      dump([indices], "num indices");
+      var indexValues = [];
+
+      for (var _i5 = 0; _i5 < indices; _i5++) {
+        var indexu32 = readU32();
+        var index = indexu32.value;
+        eatBytes(indexu32.nextIndex);
+        dump([index], "index");
+        indexValues.push(t.indexLiteral(index));
+      }
+
+      var elemNode = function () {
+        var endLoc = getPosition();
+        return t.withLoc(t.elem(t.indexLiteral(tableindex), instr, indexValues), endLoc, _startLoc12);
+      }();
+
+      elems.push(elemNode);
+    }
+
+    return elems;
+  } // https://webassembly.github.io/spec/core/binary/types.html#memory-types
+
+
+  function parseMemoryType(i) {
+    var limits = parseLimits();
+    return t.memory(limits, t.indexLiteral(i));
+  } // https://webassembly.github.io/spec/binary/modules.html#table-section
+
+
+  function parseTableSection(numberOfElements) {
+    var tables = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var tablesNode = parseTableType(i);
+      state.tablesInModule.push(tablesNode);
+      tables.push(tablesNode);
+    }
+
+    return tables;
+  } // https://webassembly.github.io/spec/binary/modules.html#memory-section
+
+
+  function parseMemorySection(numberOfElements) {
+    var memories = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var memoryNode = parseMemoryType(i);
+      state.memoriesInModule.push(memoryNode);
+      memories.push(memoryNode);
+    }
+
+    return memories;
+  } // https://webassembly.github.io/spec/binary/modules.html#binary-startsec
+
+
+  function parseStartSection() {
+    var startLoc = getPosition();
+    var u32 = readU32();
+    var startFuncIndex = u32.value;
+    eatBytes(u32.nextIndex);
+    dump([startFuncIndex], "index");
+    return function () {
+      var endLoc = getPosition();
+      return t.withLoc(t.start(t.indexLiteral(startFuncIndex)), endLoc, startLoc);
+    }();
+  } // https://webassembly.github.io/spec/binary/modules.html#data-section
+
+
+  function parseDataSection(numberOfElements) {
+    var dataEntries = [];
+    dump([numberOfElements], "num elements");
+
+    for (var i = 0; i < numberOfElements; i++) {
+      var memoryIndexu32 = readU32();
+      var memoryIndex = memoryIndexu32.value;
+      eatBytes(memoryIndexu32.nextIndex);
+      dump([memoryIndex], "memory index");
+      var instrs = [];
+      parseInstructionBlock(instrs);
+      var hasExtraInstrs = instrs.filter(function (i) {
+        return i.id !== "end";
+      }).length !== 1;
+
+      if (hasExtraInstrs) {
+        throw new _helperApiError.CompileError("data section offset must be a single instruction");
+      }
+
+      var bytes = parseVec(function (b) {
+        return b;
+      });
+      dump([], "init");
+      dataEntries.push(t.data(t.memIndexLiteral(memoryIndex), instrs[0], t.byteArray(bytes)));
+    }
+
+    return dataEntries;
+  } // https://webassembly.github.io/spec/binary/modules.html#binary-section
+
+
+  function parseSection(sectionIndex) {
+    var sectionId = readByte();
+    eatBytes(1);
+
+    if (sectionId >= sectionIndex || sectionIndex === _helperWasmBytecode.default.sections.custom) {
+      sectionIndex = sectionId + 1;
+    } else {
+      if (sectionId !== _helperWasmBytecode.default.sections.custom) throw new _helperApiError.CompileError("Unexpected section: " + toHex(sectionId));
+    }
+
+    var nextSectionIndex = sectionIndex;
+    var startOffset = offset;
+    var startLoc = getPosition();
+    var u32 = readU32();
+    var sectionSizeInBytes = u32.value;
+    eatBytes(u32.nextIndex);
+
+    var sectionSizeInBytesNode = function () {
+      var endLoc = getPosition();
+      return t.withLoc(t.numberLiteralFromRaw(sectionSizeInBytes), endLoc, startLoc);
+    }();
+
+    switch (sectionId) {
+      case _helperWasmBytecode.default.sections.type:
+        {
+          dumpSep("section Type");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc13 = getPosition();
+
+          var _u = readU32();
+
+          var numberOfTypes = _u.value;
+          eatBytes(_u.nextIndex);
+
+          var _metadata = t.sectionMetadata("type", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfTypes), endLoc, _startLoc13);
+          }());
+
+          var _nodes = parseTypeSection(numberOfTypes);
+
+          return {
+            nodes: _nodes,
+            metadata: _metadata,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.table:
+        {
+          dumpSep("section Table");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc14 = getPosition();
+
+          var _u2 = readU32();
+
+          var numberOfTable = _u2.value;
+          eatBytes(_u2.nextIndex);
+          dump([numberOfTable], "num tables");
+
+          var _metadata2 = t.sectionMetadata("table", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfTable), endLoc, _startLoc14);
+          }());
+
+          var _nodes2 = parseTableSection(numberOfTable);
+
+          return {
+            nodes: _nodes2,
+            metadata: _metadata2,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.import:
+        {
+          dumpSep("section Import");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc15 = getPosition();
+
+          var numberOfImportsu32 = readU32();
+          var numberOfImports = numberOfImportsu32.value;
+          eatBytes(numberOfImportsu32.nextIndex);
+          dump([numberOfImports], "number of imports");
+
+          var _metadata3 = t.sectionMetadata("import", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfImports), endLoc, _startLoc15);
+          }());
+
+          var _nodes3 = parseImportSection(numberOfImports);
+
+          return {
+            nodes: _nodes3,
+            metadata: _metadata3,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.func:
+        {
+          dumpSep("section Function");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc16 = getPosition();
+
+          var numberOfFunctionsu32 = readU32();
+          var numberOfFunctions = numberOfFunctionsu32.value;
+          eatBytes(numberOfFunctionsu32.nextIndex);
+
+          var _metadata4 = t.sectionMetadata("func", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfFunctions), endLoc, _startLoc16);
+          }());
+
+          parseFuncSection(numberOfFunctions);
+          var _nodes4 = [];
+          return {
+            nodes: _nodes4,
+            metadata: _metadata4,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.export:
+        {
+          dumpSep("section Export");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc17 = getPosition();
+
+          var _u3 = readU32();
+
+          var numberOfExport = _u3.value;
+          eatBytes(_u3.nextIndex);
+
+          var _metadata5 = t.sectionMetadata("export", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfExport), endLoc, _startLoc17);
+          }());
+
+          parseExportSection(numberOfExport);
+          var _nodes5 = [];
+          return {
+            nodes: _nodes5,
+            metadata: _metadata5,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.code:
+        {
+          dumpSep("section Code");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc18 = getPosition();
+
+          var _u4 = readU32();
+
+          var numberOfFuncs = _u4.value;
+          eatBytes(_u4.nextIndex);
+
+          var _metadata6 = t.sectionMetadata("code", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfFuncs), endLoc, _startLoc18);
+          }());
+
+          if (opts.ignoreCodeSection === true) {
+            var remainingBytes = sectionSizeInBytes - _u4.nextIndex;
+            eatBytes(remainingBytes); // eat the entire section
+          } else {
+            parseCodeSection(numberOfFuncs);
+          }
+
+          var _nodes6 = [];
+          return {
+            nodes: _nodes6,
+            metadata: _metadata6,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.start:
+        {
+          dumpSep("section Start");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _metadata7 = t.sectionMetadata("start", startOffset, sectionSizeInBytesNode);
+
+          var _nodes7 = [parseStartSection()];
+          return {
+            nodes: _nodes7,
+            metadata: _metadata7,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.element:
+        {
+          dumpSep("section Element");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc19 = getPosition();
+
+          var numberOfElementsu32 = readU32();
+          var numberOfElements = numberOfElementsu32.value;
+          eatBytes(numberOfElementsu32.nextIndex);
+
+          var _metadata8 = t.sectionMetadata("element", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfElements), endLoc, _startLoc19);
+          }());
+
+          var _nodes8 = parseElemSection(numberOfElements);
+
+          return {
+            nodes: _nodes8,
+            metadata: _metadata8,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.global:
+        {
+          dumpSep("section Global");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc20 = getPosition();
+
+          var numberOfGlobalsu32 = readU32();
+          var numberOfGlobals = numberOfGlobalsu32.value;
+          eatBytes(numberOfGlobalsu32.nextIndex);
+
+          var _metadata9 = t.sectionMetadata("global", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(numberOfGlobals), endLoc, _startLoc20);
+          }());
+
+          var _nodes9 = parseGlobalSection(numberOfGlobals);
+
+          return {
+            nodes: _nodes9,
+            metadata: _metadata9,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.memory:
+        {
+          dumpSep("section Memory");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _startLoc21 = getPosition();
+
+          var _numberOfElementsu = readU32();
+
+          var _numberOfElements = _numberOfElementsu.value;
+          eatBytes(_numberOfElementsu.nextIndex);
+
+          var _metadata10 = t.sectionMetadata("memory", startOffset, sectionSizeInBytesNode, function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(_numberOfElements), endLoc, _startLoc21);
+          }());
+
+          var _nodes10 = parseMemorySection(_numberOfElements);
+
+          return {
+            nodes: _nodes10,
+            metadata: _metadata10,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+
+      case _helperWasmBytecode.default.sections.data:
+        {
+          dumpSep("section Data");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+
+          var _metadata11 = t.sectionMetadata("data", startOffset, sectionSizeInBytesNode);
+
+          var _startLoc22 = getPosition();
+
+          var _numberOfElementsu2 = readU32();
+
+          var _numberOfElements2 = _numberOfElementsu2.value;
+          eatBytes(_numberOfElementsu2.nextIndex);
+
+          _metadata11.vectorOfSize = function () {
+            var endLoc = getPosition();
+            return t.withLoc(t.numberLiteralFromRaw(_numberOfElements2), endLoc, _startLoc22);
+          }();
+
+          if (opts.ignoreDataSection === true) {
+            var _remainingBytes = sectionSizeInBytes - _numberOfElementsu2.nextIndex;
+
+            eatBytes(_remainingBytes); // eat the entire section
+
+            dumpSep("ignore data (" + sectionSizeInBytes + " bytes)");
+            return {
+              nodes: [],
+              metadata: _metadata11,
+              nextSectionIndex: nextSectionIndex
+            };
+          } else {
+            var _nodes11 = parseDataSection(_numberOfElements2);
+
+            return {
+              nodes: _nodes11,
+              metadata: _metadata11,
+              nextSectionIndex: nextSectionIndex
+            };
+          }
+        }
+
+      case _helperWasmBytecode.default.sections.custom:
+        {
+          dumpSep("section Custom");
+          dump([sectionId], "section code");
+          dump([sectionSizeInBytes], "section size");
+          var _metadata12 = [t.sectionMetadata("custom", startOffset, sectionSizeInBytesNode)];
+          var sectionName = readUTF8String();
+          eatBytes(sectionName.nextIndex);
+          dump([], "section name (".concat(sectionName.value, ")"));
+
+          var _remainingBytes2 = sectionSizeInBytes - sectionName.nextIndex;
+
+          if (sectionName.value === "name") {
+            var initialOffset = offset;
+
+            try {
+              _metadata12.push.apply(_metadata12, _toConsumableArray(parseNameSection(_remainingBytes2)));
+            } catch (e) {
+              console.warn("Failed to decode custom \"name\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
+              eatBytes(offset - (initialOffset + _remainingBytes2));
+            }
+          } else if (sectionName.value === "producers") {
+            var _initialOffset = offset;
+
+            try {
+              _metadata12.push(parseProducersSection());
+            } catch (e) {
+              console.warn("Failed to decode custom \"producers\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
+              eatBytes(offset - (_initialOffset + _remainingBytes2));
+            }
+          } else {
+            // We don't parse the custom section
+            eatBytes(_remainingBytes2);
+            dumpSep("ignore custom " + JSON.stringify(sectionName.value) + " section (" + _remainingBytes2 + " bytes)");
+          }
+
+          return {
+            nodes: [],
+            metadata: _metadata12,
+            nextSectionIndex: nextSectionIndex
+          };
+        }
+    }
+
+    throw new _helperApiError.CompileError("Unexpected section: " + toHex(sectionId));
+  }
+
+  parseModuleHeader();
+  parseVersion();
+  var moduleFields = [];
+  var sectionIndex = 0;
+  var moduleMetadata = {
+    sections: [],
+    functionNames: [],
+    localNames: [],
+    producers: []
+  };
+  /**
+   * All the generate declaration are going to be stored in our state
+   */
+
+  while (offset < buf.length) {
+    var _parseSection = parseSection(sectionIndex),
+        _nodes12 = _parseSection.nodes,
+        _metadata13 = _parseSection.metadata,
+        nextSectionIndex = _parseSection.nextSectionIndex;
+
+    moduleFields.push.apply(moduleFields, _toConsumableArray(_nodes12));
+    var metadataArray = Array.isArray(_metadata13) ? _metadata13 : [_metadata13];
+    metadataArray.forEach(function (metadataItem) {
+      if (metadataItem.type === "FunctionNameMetadata") {
+        moduleMetadata.functionNames.push(metadataItem);
+      } else if (metadataItem.type === "LocalNameMetadata") {
+        moduleMetadata.localNames.push(metadataItem);
+      } else if (metadataItem.type === "ProducersSectionMetadata") {
+        moduleMetadata.producers.push(metadataItem);
+      } else {
+        moduleMetadata.sections.push(metadataItem);
+      }
+    }); // Ignore custom section
+
+    if (nextSectionIndex) {
+      sectionIndex = nextSectionIndex;
+    }
+  }
+  /**
+   * Transform the state into AST nodes
+   */
+
+
+  var funcIndex = 0;
+  state.functionsInModule.forEach(function (func) {
+    var params = func.signature.params;
+    var result = func.signature.result;
+    var body = []; // External functions doesn't provide any code, can skip it here
+
+    if (func.isExternal === true) {
+      return;
+    }
+
+    var decodedElementInCodeSection = state.elementsInCodeSection[funcIndex];
+
+    if (opts.ignoreCodeSection === false) {
+      if (typeof decodedElementInCodeSection === "undefined") {
+        throw new _helperApiError.CompileError("func " + toHex(funcIndex) + " code not found");
+      }
+
+      body = decodedElementInCodeSection.code;
+    }
+
+    funcIndex++;
+    var funcNode = t.func(func.id, t.signature(params, result), body);
+
+    if (func.isExternal === true) {
+      funcNode.isExternal = func.isExternal;
+    } // Add function position in the binary if possible
+
+
+    if (opts.ignoreCodeSection === false) {
+      var _startLoc23 = decodedElementInCodeSection.startLoc,
+          endLoc = decodedElementInCodeSection.endLoc,
+          bodySize = decodedElementInCodeSection.bodySize;
+      funcNode = t.withLoc(funcNode, endLoc, _startLoc23);
+      funcNode.metadata = {
+        bodySize: bodySize
+      };
+    }
+
+    moduleFields.push(funcNode);
+  });
+  state.elementsInExportSection.forEach(function (moduleExport) {
+    /**
+     * If the export has no id, we won't be able to call it from the outside
+     * so we can omit it
+     */
+    if (moduleExport.id != null) {
+      moduleFields.push(t.withLoc(t.moduleExport(moduleExport.name, t.moduleExportDescr(moduleExport.type, moduleExport.id)), moduleExport.endLoc, moduleExport.startLoc));
+    }
+  });
+  dumpSep("end of program");
+  var module = t.module(null, moduleFields, t.moduleMetadata(moduleMetadata.sections, moduleMetadata.functionNames, moduleMetadata.localNames, moduleMetadata.producers));
+  return t.program([module]);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-parser/lib/index.js b/node_modules/@webassemblyjs/wasm-parser/lib/index.js
new file mode 100644
index 00000000..abd442a7
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/lib/index.js
@@ -0,0 +1,257 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decode = decode;
+
+var decoder = _interopRequireWildcard(require("./decoder"));
+
+var t = _interopRequireWildcard(require("@webassemblyjs/ast"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+/**
+ * TODO(sven): I added initial props, but we should rather fix
+ * https://github.com/xtuc/webassemblyjs/issues/405
+ */
+var defaultDecoderOpts = {
+  dump: false,
+  ignoreCodeSection: false,
+  ignoreDataSection: false,
+  ignoreCustomNameSection: false
+}; // traverses the AST, locating function name metadata, which is then
+// used to update index-based identifiers with function names
+
+function restoreFunctionNames(ast) {
+  var functionNames = [];
+  t.traverse(ast, {
+    FunctionNameMetadata: function FunctionNameMetadata(_ref) {
+      var node = _ref.node;
+      functionNames.push({
+        name: node.value,
+        index: node.index
+      });
+    }
+  });
+
+  if (functionNames.length === 0) {
+    return;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (_ref2) {
+      var node = _ref2.node;
+      // $FlowIgnore
+      var nodeName = node.name;
+      var indexBasedFunctionName = nodeName.value;
+      var index = Number(indexBasedFunctionName.replace("func_", ""));
+      var functionName = functionNames.find(function (f) {
+        return f.index === index;
+      });
+
+      if (functionName) {
+        var oldValue = nodeName.value;
+        nodeName.value = functionName.name;
+        nodeName.numeric = oldValue; // $FlowIgnore
+
+        delete nodeName.raw;
+      }
+    }),
+    // Also update the reference in the export
+    ModuleExport: function (_ModuleExport) {
+      function ModuleExport(_x2) {
+        return _ModuleExport.apply(this, arguments);
+      }
+
+      ModuleExport.toString = function () {
+        return _ModuleExport.toString();
+      };
+
+      return ModuleExport;
+    }(function (_ref3) {
+      var node = _ref3.node;
+
+      if (node.descr.exportType === "Func") {
+        // $FlowIgnore
+        var nodeName = node.descr.id;
+        var index = nodeName.value;
+        var functionName = functionNames.find(function (f) {
+          return f.index === index;
+        });
+
+        if (functionName) {
+          node.descr.id = t.identifier(functionName.name);
+        }
+      }
+    }),
+    ModuleImport: function (_ModuleImport) {
+      function ModuleImport(_x3) {
+        return _ModuleImport.apply(this, arguments);
+      }
+
+      ModuleImport.toString = function () {
+        return _ModuleImport.toString();
+      };
+
+      return ModuleImport;
+    }(function (_ref4) {
+      var node = _ref4.node;
+
+      if (node.descr.type === "FuncImportDescr") {
+        // $FlowIgnore
+        var indexBasedFunctionName = node.descr.id;
+        var index = Number(indexBasedFunctionName.replace("func_", ""));
+        var functionName = functionNames.find(function (f) {
+          return f.index === index;
+        });
+
+        if (functionName) {
+          // $FlowIgnore
+          node.descr.id = t.identifier(functionName.name);
+        }
+      }
+    }),
+    CallInstruction: function (_CallInstruction) {
+      function CallInstruction(_x4) {
+        return _CallInstruction.apply(this, arguments);
+      }
+
+      CallInstruction.toString = function () {
+        return _CallInstruction.toString();
+      };
+
+      return CallInstruction;
+    }(function (nodePath) {
+      var node = nodePath.node;
+      var index = node.index.value;
+      var functionName = functionNames.find(function (f) {
+        return f.index === index;
+      });
+
+      if (functionName) {
+        var oldValue = node.index;
+        node.index = t.identifier(functionName.name);
+        node.numeric = oldValue; // $FlowIgnore
+
+        delete node.raw;
+      }
+    })
+  });
+}
+
+function restoreLocalNames(ast) {
+  var localNames = [];
+  t.traverse(ast, {
+    LocalNameMetadata: function LocalNameMetadata(_ref5) {
+      var node = _ref5.node;
+      localNames.push({
+        name: node.value,
+        localIndex: node.localIndex,
+        functionIndex: node.functionIndex
+      });
+    }
+  });
+
+  if (localNames.length === 0) {
+    return;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func2) {
+      function Func(_x5) {
+        return _Func2.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func2.toString();
+      };
+
+      return Func;
+    }(function (_ref6) {
+      var node = _ref6.node;
+      var signature = node.signature;
+
+      if (signature.type !== "Signature") {
+        return;
+      } // $FlowIgnore
+
+
+      var nodeName = node.name;
+      var indexBasedFunctionName = nodeName.value;
+      var functionIndex = Number(indexBasedFunctionName.replace("func_", ""));
+      signature.params.forEach(function (param, paramIndex) {
+        var paramName = localNames.find(function (f) {
+          return f.localIndex === paramIndex && f.functionIndex === functionIndex;
+        });
+
+        if (paramName && paramName.name !== "") {
+          param.id = paramName.name;
+        }
+      });
+    })
+  });
+}
+
+function restoreModuleName(ast) {
+  t.traverse(ast, {
+    ModuleNameMetadata: function (_ModuleNameMetadata) {
+      function ModuleNameMetadata(_x6) {
+        return _ModuleNameMetadata.apply(this, arguments);
+      }
+
+      ModuleNameMetadata.toString = function () {
+        return _ModuleNameMetadata.toString();
+      };
+
+      return ModuleNameMetadata;
+    }(function (moduleNameMetadataPath) {
+      // update module
+      t.traverse(ast, {
+        Module: function (_Module) {
+          function Module(_x7) {
+            return _Module.apply(this, arguments);
+          }
+
+          Module.toString = function () {
+            return _Module.toString();
+          };
+
+          return Module;
+        }(function (_ref7) {
+          var node = _ref7.node;
+          var name = moduleNameMetadataPath.node.value; // compatiblity with wast-parser
+
+          if (name === "") {
+            name = null;
+          }
+
+          node.id = name;
+        })
+      });
+    })
+  });
+}
+
+function decode(buf, customOpts) {
+  var opts = Object.assign({}, defaultDecoderOpts, customOpts);
+  var ast = decoder.decode(buf, opts);
+
+  if (opts.ignoreCustomNameSection === false) {
+    restoreFunctionNames(ast);
+    restoreLocalNames(ast);
+    restoreModuleName(ast);
+  }
+
+  return ast;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wasm-parser/lib/types/decoder.js b/node_modules/@webassemblyjs/wasm-parser/lib/types/decoder.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/@webassemblyjs/wasm-parser/package.json b/node_modules/@webassemblyjs/wasm-parser/package.json
new file mode 100644
index 00000000..63c77f50
--- /dev/null
+++ b/node_modules/@webassemblyjs/wasm-parser/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "@webassemblyjs/wasm-parser",
+  "version": "1.9.0",
+  "keywords": [
+    "webassembly",
+    "javascript",
+    "ast",
+    "parser",
+    "wasm"
+  ],
+  "description": "WebAssembly binary format parser",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "mocha"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-api-error": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+    "@webassemblyjs/ieee754": "1.9.0",
+    "@webassemblyjs/leb128": "1.9.0",
+    "@webassemblyjs/utf8": "1.9.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "@webassemblyjs/helper-buffer": "1.9.0",
+    "@webassemblyjs/helper-test-framework": "1.9.0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.7.7",
+    "@webassemblyjs/wasm-gen": "1.9.0",
+    "@webassemblyjs/wast-parser": "1.9.0",
+    "mamacro": "^0.0.7",
+    "wabt": "1.0.12"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/wast-parser/LICENSE b/node_modules/@webassemblyjs/wast-parser/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wast-parser/README.md b/node_modules/@webassemblyjs/wast-parser/README.md
new file mode 100644
index 00000000..345f0d74
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/README.md
@@ -0,0 +1,17 @@
+# @webassemblyjs/wast-parser
+
+> WebAssembly text format parser
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/wast-parser
+```
+
+## Usage
+
+```js
+import { parse } from "@webassemblyjs/wast-parser";
+
+const ast = parse(source);
+```
diff --git a/node_modules/@webassemblyjs/wast-parser/esm/grammar.js b/node_modules/@webassemblyjs/wast-parser/esm/grammar.js
new file mode 100644
index 00000000..aa92e556
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/esm/grammar.js
@@ -0,0 +1,1756 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+import { codeFrameFromSource } from "@webassemblyjs/helper-code-frame";
+import * as t from "@webassemblyjs/ast";
+import { parse32I } from "./number-literals";
+import { parseString } from "./string-literals";
+import { tokens, keywords } from "./tokenizer";
+
+function hasPlugin(name) {
+  if (name !== "wast") throw new Error("unknow plugin");
+  return true;
+}
+
+function isKeyword(token, id) {
+  return token.type === tokens.keyword && token.value === id;
+}
+
+function tokenToString(token) {
+  if (token.type === "keyword") {
+    return "keyword (".concat(token.value, ")");
+  }
+
+  return token.type;
+}
+
+function identifierFromToken(token) {
+  var _token$loc = token.loc,
+      end = _token$loc.end,
+      start = _token$loc.start;
+  return t.withLoc(t.identifier(token.value), end, start);
+}
+
+export function parse(tokensList, source) {
+  var current = 0;
+  var getUniqueName = t.getUniqueNameGenerator();
+  var state = {
+    registredExportedElements: []
+  }; // But this time we're going to use recursion instead of a `while` loop. So we
+  // define a `walk` function.
+
+  function walk() {
+    var token = tokensList[current];
+
+    function eatToken() {
+      token = tokensList[++current];
+    }
+
+    function getEndLoc() {
+      var currentToken = token;
+
+      if (typeof currentToken === "undefined") {
+        var lastToken = tokensList[tokensList.length - 1];
+        currentToken = lastToken;
+      }
+
+      return currentToken.loc.end;
+    }
+
+    function getStartLoc() {
+      return token.loc.start;
+    }
+
+    function eatTokenOfType(type) {
+      if (token.type !== type) {
+        throw new Error("\n" + codeFrameFromSource(source, token.loc) + "Assertion error: expected token of type " + type + ", given " + tokenToString(token));
+      }
+
+      eatToken();
+    }
+
+    function parseExportIndex(token) {
+      if (token.type === tokens.identifier) {
+        var index = identifierFromToken(token);
+        eatToken();
+        return index;
+      } else if (token.type === tokens.number) {
+        var _index = t.numberLiteralFromRaw(token.value);
+
+        eatToken();
+        return _index;
+      } else {
+        throw function () {
+          return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "unknown export index" + ", given " + tokenToString(token));
+        }();
+      }
+    }
+
+    function lookaheadAndCheck() {
+      var len = arguments.length;
+
+      for (var i = 0; i < len; i++) {
+        var tokenAhead = tokensList[current + i];
+        var expectedToken = i < 0 || arguments.length <= i ? undefined : arguments[i];
+
+        if (tokenAhead.type === "keyword") {
+          if (isKeyword(tokenAhead, expectedToken) === false) {
+            return false;
+          }
+        } else if (expectedToken !== tokenAhead.type) {
+          return false;
+        }
+      }
+
+      return true;
+    } // TODO(sven): there is probably a better way to do this
+    // can refactor it if it get out of hands
+
+
+    function maybeIgnoreComment() {
+      if (typeof token === "undefined") {
+        // Ignore
+        return;
+      }
+
+      while (token.type === tokens.comment) {
+        eatToken();
+
+        if (typeof token === "undefined") {
+          // Hit the end
+          break;
+        }
+      }
+    }
+    /**
+     * Parses a memory instruction
+     *
+     * WAST:
+     *
+     * memory:  ( memory <name>? <memory_sig> )
+     *          ( memory <name>? ( export <string> ) <...> )
+     *          ( memory <name>? ( import <string> <string> ) <memory_sig> )
+     *          ( memory <name>? ( export <string> )* ( data <string>* )
+     * memory_sig: <nat> <nat>?
+     *
+     */
+
+
+    function parseMemory() {
+      var id = t.identifier(getUniqueName("memory"));
+      var limits = t.limit(0);
+
+      if (token.type === tokens.string || token.type === tokens.identifier) {
+        id = t.identifier(token.value);
+        eatToken();
+      } else {
+        id = t.withRaw(id, ""); // preserve anonymous
+      }
+      /**
+       * Maybe data
+       */
+
+
+      if (lookaheadAndCheck(tokens.openParen, keywords.data)) {
+        eatToken(); // (
+
+        eatToken(); // data
+        // TODO(sven): do something with the data collected here
+
+        var stringInitializer = token.value;
+        eatTokenOfType(tokens.string); // Update limits accordingly
+
+        limits = t.limit(stringInitializer.length);
+        eatTokenOfType(tokens.closeParen);
+      }
+      /**
+       * Maybe export
+       */
+
+
+      if (lookaheadAndCheck(tokens.openParen, keywords.export)) {
+        eatToken(); // (
+
+        eatToken(); // export
+
+        if (token.type !== tokens.string) {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Expected string in export" + ", given " + tokenToString(token));
+          }();
+        }
+
+        var _name = token.value;
+        eatToken();
+        state.registredExportedElements.push({
+          exportType: "Memory",
+          name: _name,
+          id: id
+        });
+        eatTokenOfType(tokens.closeParen);
+      }
+      /**
+       * Memory signature
+       */
+
+
+      if (token.type === tokens.number) {
+        limits = t.limit(parse32I(token.value));
+        eatToken();
+
+        if (token.type === tokens.number) {
+          limits.max = parse32I(token.value);
+          eatToken();
+        }
+      }
+
+      return t.memory(limits, id);
+    }
+    /**
+     * Parses a data section
+     * https://webassembly.github.io/spec/core/text/modules.html#data-segments
+     *
+     * WAST:
+     *
+     * data:  ( data <index>? <offset> <string> )
+     */
+
+
+    function parseData() {
+      // optional memory index
+      var memidx = 0;
+
+      if (token.type === tokens.number) {
+        memidx = token.value;
+        eatTokenOfType(tokens.number); // .
+      }
+
+      eatTokenOfType(tokens.openParen);
+      var offset;
+
+      if (token.type === tokens.valtype) {
+        eatTokenOfType(tokens.valtype); // i32
+
+        eatTokenOfType(tokens.dot); // .
+
+        if (token.value !== "const") {
+          throw new Error("constant expression required");
+        }
+
+        eatTokenOfType(tokens.name); // const
+
+        var numberLiteral = t.numberLiteralFromRaw(token.value, "i32");
+        offset = t.objectInstruction("const", "i32", [numberLiteral]);
+        eatToken();
+        eatTokenOfType(tokens.closeParen);
+      } else {
+        eatTokenOfType(tokens.name); // get_global
+
+        var _numberLiteral = t.numberLiteralFromRaw(token.value, "i32");
+
+        offset = t.instruction("get_global", [_numberLiteral]);
+        eatToken();
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      var byteArray = parseString(token.value);
+      eatToken(); // "string"
+
+      return t.data(t.memIndexLiteral(memidx), offset, t.byteArray(byteArray));
+    }
+    /**
+     * Parses a table instruction
+     *
+     * WAST:
+     *
+     * table:   ( table <name>? <table_type> )
+     *          ( table <name>? ( export <string> ) <...> )
+     *          ( table <name>? ( import <string> <string> ) <table_type> )
+     *          ( table <name>? ( export <string> )* <elem_type> ( elem <var>* ) )
+     *
+     * table_type:  <nat> <nat>? <elem_type>
+     * elem_type: anyfunc
+     *
+     * elem:    ( elem <var>? (offset <instr>* ) <var>* )
+     *          ( elem <var>? <expr> <var>* )
+     */
+
+
+    function parseTable() {
+      var name = t.identifier(getUniqueName("table"));
+      var limit = t.limit(0);
+      var elemIndices = [];
+      var elemType = "anyfunc";
+
+      if (token.type === tokens.string || token.type === tokens.identifier) {
+        name = identifierFromToken(token);
+        eatToken();
+      } else {
+        name = t.withRaw(name, ""); // preserve anonymous
+      }
+
+      while (token.type !== tokens.closeParen) {
+        /**
+         * Maybe export
+         */
+        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {
+          eatToken(); // (
+
+          eatToken(); // elem
+
+          while (token.type === tokens.identifier) {
+            elemIndices.push(t.identifier(token.value));
+            eatToken();
+          }
+
+          eatTokenOfType(tokens.closeParen);
+        } else if (lookaheadAndCheck(tokens.openParen, keywords.export)) {
+          eatToken(); // (
+
+          eatToken(); // export
+
+          if (token.type !== tokens.string) {
+            throw function () {
+              return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Expected string in export" + ", given " + tokenToString(token));
+            }();
+          }
+
+          var exportName = token.value;
+          eatToken();
+          state.registredExportedElements.push({
+            exportType: "Table",
+            name: exportName,
+            id: name
+          });
+          eatTokenOfType(tokens.closeParen);
+        } else if (isKeyword(token, keywords.anyfunc)) {
+          // It's the default value, we can ignore it
+          eatToken(); // anyfunc
+        } else if (token.type === tokens.number) {
+          /**
+           * Table type
+           */
+          var min = parseInt(token.value);
+          eatToken();
+
+          if (token.type === tokens.number) {
+            var max = parseInt(token.value);
+            eatToken();
+            limit = t.limit(min, max);
+          } else {
+            limit = t.limit(min);
+          }
+
+          eatToken();
+        } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      if (elemIndices.length > 0) {
+        return t.table(elemType, limit, name, elemIndices);
+      } else {
+        return t.table(elemType, limit, name);
+      }
+    }
+    /**
+     * Parses an import statement
+     *
+     * WAST:
+     *
+     * import:  ( import <string> <string> <imkind> )
+     * imkind:  ( func <name>? <func_sig> )
+     *          ( global <name>? <global_sig> )
+     *          ( table <name>? <table_sig> )
+     *          ( memory <name>? <memory_sig> )
+     *
+     * global_sig: <type> | ( mut <type> )
+     */
+
+
+    function parseImport() {
+      if (token.type !== tokens.string) {
+        throw new Error("Expected a string, " + token.type + " given.");
+      }
+
+      var moduleName = token.value;
+      eatToken();
+
+      if (token.type !== tokens.string) {
+        throw new Error("Expected a string, " + token.type + " given.");
+      }
+
+      var name = token.value;
+      eatToken();
+      eatTokenOfType(tokens.openParen);
+      var descr;
+
+      if (isKeyword(token, keywords.func)) {
+        eatToken(); // keyword
+
+        var fnParams = [];
+        var fnResult = [];
+        var typeRef;
+        var fnName = t.identifier(getUniqueName("func"));
+
+        if (token.type === tokens.identifier) {
+          fnName = identifierFromToken(token);
+          eatToken();
+        }
+
+        while (token.type === tokens.openParen) {
+          eatToken();
+
+          if (lookaheadAndCheck(keywords.type) === true) {
+            eatToken();
+            typeRef = parseTypeReference();
+          } else if (lookaheadAndCheck(keywords.param) === true) {
+            eatToken();
+            fnParams.push.apply(fnParams, _toConsumableArray(parseFuncParam()));
+          } else if (lookaheadAndCheck(keywords.result) === true) {
+            eatToken();
+            fnResult.push.apply(fnResult, _toConsumableArray(parseFuncResult()));
+          } else {
+            throw function () {
+              return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in import of type" + ", given " + tokenToString(token));
+            }();
+          }
+
+          eatTokenOfType(tokens.closeParen);
+        }
+
+        if (typeof fnName === "undefined") {
+          throw new Error("Imported function must have a name");
+        }
+
+        descr = t.funcImportDescr(fnName, typeRef !== undefined ? typeRef : t.signature(fnParams, fnResult));
+      } else if (isKeyword(token, keywords.global)) {
+        eatToken(); // keyword
+
+        if (token.type === tokens.openParen) {
+          eatToken(); // (
+
+          eatTokenOfType(tokens.keyword); // mut keyword
+
+          var valtype = token.value;
+          eatToken();
+          descr = t.globalType(valtype, "var");
+          eatTokenOfType(tokens.closeParen);
+        } else {
+          var _valtype = token.value;
+          eatTokenOfType(tokens.valtype);
+          descr = t.globalType(_valtype, "const");
+        }
+      } else if (isKeyword(token, keywords.memory) === true) {
+        eatToken(); // Keyword
+
+        descr = parseMemory();
+      } else if (isKeyword(token, keywords.table) === true) {
+        eatToken(); // Keyword
+
+        descr = parseTable();
+      } else {
+        throw new Error("Unsupported import type: " + tokenToString(token));
+      }
+
+      eatTokenOfType(tokens.closeParen);
+      return t.moduleImport(moduleName, name, descr);
+    }
+    /**
+     * Parses a block instruction
+     *
+     * WAST:
+     *
+     * expr: ( block <name>? <block_sig> <instr>* )
+     * instr: block <name>? <block_sig> <instr>* end <name>?
+     * block_sig : ( result <type>* )*
+     *
+     */
+
+
+    function parseBlock() {
+      var label = t.identifier(getUniqueName("block"));
+      var blockResult = null;
+      var instr = [];
+
+      if (token.type === tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === tokens.openParen) {
+        eatToken();
+
+        if (lookaheadAndCheck(keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatToken();
+        } else if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            instr.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in block body of type" + ", given " + tokenToString(token));
+          }();
+        }
+
+        maybeIgnoreComment();
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.blockInstruction(label, instr, blockResult);
+    }
+    /**
+     * Parses a if instruction
+     *
+     * WAST:
+     *
+     * expr:
+     * ( if <name>? <block_sig> ( then <instr>* ) ( else <instr>* )? )
+     * ( if <name>? <block_sig> <expr>+ ( then <instr>* ) ( else <instr>* )? )
+     *
+     * instr:
+     * if <name>? <block_sig> <instr>* end <name>?
+     * if <name>? <block_sig> <instr>* else <name>? <instr>* end <name>?
+     *
+     * block_sig : ( result <type>* )*
+     *
+     */
+
+
+    function parseIf() {
+      var blockResult = null;
+      var label = t.identifier(getUniqueName("if"));
+      var testInstrs = [];
+      var consequent = [];
+      var alternate = [];
+
+      if (token.type === tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === tokens.openParen) {
+        eatToken(); // (
+
+        /**
+         * Block signature
+         */
+
+        if (isKeyword(token, keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatTokenOfType(tokens.valtype);
+          eatTokenOfType(tokens.closeParen);
+          continue;
+        }
+        /**
+         * Then
+         */
+
+
+        if (isKeyword(token, keywords.then) === true) {
+          eatToken(); // then
+
+          while (token.type === tokens.openParen) {
+            eatToken(); // Instruction
+
+            if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+            ) {
+                consequent.push(parseFuncInstr());
+              } else {
+              throw function () {
+                return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in consequent body of type" + ", given " + tokenToString(token));
+              }();
+            }
+
+            eatTokenOfType(tokens.closeParen);
+          }
+
+          eatTokenOfType(tokens.closeParen);
+          continue;
+        }
+        /**
+         * Alternate
+         */
+
+
+        if (isKeyword(token, keywords.else)) {
+          eatToken(); // else
+
+          while (token.type === tokens.openParen) {
+            eatToken(); // Instruction
+
+            if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+            ) {
+                alternate.push(parseFuncInstr());
+              } else {
+              throw function () {
+                return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in alternate body of type" + ", given " + tokenToString(token));
+              }();
+            }
+
+            eatTokenOfType(tokens.closeParen);
+          }
+
+          eatTokenOfType(tokens.closeParen);
+          continue;
+        }
+        /**
+         * Test instruction
+         */
+
+
+        if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            testInstrs.push(parseFuncInstr());
+            eatTokenOfType(tokens.closeParen);
+            continue;
+          }
+
+        throw function () {
+          return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in if body" + ", given " + tokenToString(token));
+        }();
+      }
+
+      return t.ifInstruction(label, testInstrs, blockResult, consequent, alternate);
+    }
+    /**
+     * Parses a loop instruction
+     *
+     * WAT:
+     *
+     * blockinstr :: 'loop' I:label rt:resulttype (in:instr*) 'end' id?
+     *
+     * WAST:
+     *
+     * instr     :: loop <name>? <block_sig> <instr>* end <name>?
+     * expr      :: ( loop <name>? <block_sig> <instr>* )
+     * block_sig :: ( result <type>* )*
+     *
+     */
+
+
+    function parseLoop() {
+      var label = t.identifier(getUniqueName("loop"));
+      var blockResult;
+      var instr = [];
+
+      if (token.type === tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === tokens.openParen) {
+        eatToken();
+
+        if (lookaheadAndCheck(keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatToken();
+        } else if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            instr.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in loop body" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.loopInstruction(label, blockResult, instr);
+    }
+
+    function parseCallIndirect() {
+      var typeRef;
+      var params = [];
+      var results = [];
+      var instrs = [];
+
+      while (token.type !== tokens.closeParen) {
+        if (lookaheadAndCheck(tokens.openParen, keywords.type)) {
+          eatToken(); // (
+
+          eatToken(); // type
+
+          typeRef = parseTypeReference();
+        } else if (lookaheadAndCheck(tokens.openParen, keywords.param)) {
+          eatToken(); // (
+
+          eatToken(); // param
+
+          /**
+           * Params can be empty:
+           * (params)`
+           */
+
+          if (token.type !== tokens.closeParen) {
+            params.push.apply(params, _toConsumableArray(parseFuncParam()));
+          }
+        } else if (lookaheadAndCheck(tokens.openParen, keywords.result)) {
+          eatToken(); // (
+
+          eatToken(); // result
+
+          /**
+           * Results can be empty:
+           * (result)`
+           */
+
+          if (token.type !== tokens.closeParen) {
+            results.push.apply(results, _toConsumableArray(parseFuncResult()));
+          }
+        } else {
+          eatTokenOfType(tokens.openParen);
+          instrs.push(parseFuncInstr());
+        }
+
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.callIndirectInstruction(typeRef !== undefined ? typeRef : t.signature(params, results), instrs);
+    }
+    /**
+     * Parses an export instruction
+     *
+     * WAT:
+     *
+     * export:  ( export <string> <exkind> )
+     * exkind:  ( func <var> )
+     *          ( global <var> )
+     *          ( table <var> )
+     *          ( memory <var> )
+     * var:    <nat> | <name>
+     *
+     */
+
+
+    function parseExport() {
+      if (token.type !== tokens.string) {
+        throw new Error("Expected string after export, got: " + token.type);
+      }
+
+      var name = token.value;
+      eatToken();
+      var moduleExportDescr = parseModuleExportDescr();
+      return t.moduleExport(name, moduleExportDescr);
+    }
+
+    function parseModuleExportDescr() {
+      var startLoc = getStartLoc();
+      var type = "";
+      var index;
+      eatTokenOfType(tokens.openParen);
+
+      while (token.type !== tokens.closeParen) {
+        if (isKeyword(token, keywords.func)) {
+          type = "Func";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, keywords.table)) {
+          type = "Table";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, keywords.global)) {
+          type = "Global";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, keywords.memory)) {
+          type = "Memory";
+          eatToken();
+          index = parseExportIndex(token);
+        }
+
+        eatToken();
+      }
+
+      if (type === "") {
+        throw new Error("Unknown export type");
+      }
+
+      if (index === undefined) {
+        throw new Error("Exported function must have a name");
+      }
+
+      var node = t.moduleExportDescr(type, index);
+      var endLoc = getEndLoc();
+      eatTokenOfType(tokens.closeParen);
+      return t.withLoc(node, endLoc, startLoc);
+    }
+
+    function parseModule() {
+      var name = null;
+      var isBinary = false;
+      var isQuote = false;
+      var moduleFields = [];
+
+      if (token.type === tokens.identifier) {
+        name = token.value;
+        eatToken();
+      }
+
+      if (hasPlugin("wast") && token.type === tokens.name && token.value === "binary") {
+        eatToken();
+        isBinary = true;
+      }
+
+      if (hasPlugin("wast") && token.type === tokens.name && token.value === "quote") {
+        eatToken();
+        isQuote = true;
+      }
+
+      if (isBinary === true) {
+        var blob = [];
+
+        while (token.type === tokens.string) {
+          blob.push(token.value);
+          eatToken();
+          maybeIgnoreComment();
+        }
+
+        eatTokenOfType(tokens.closeParen);
+        return t.binaryModule(name, blob);
+      }
+
+      if (isQuote === true) {
+        var string = [];
+
+        while (token.type === tokens.string) {
+          string.push(token.value);
+          eatToken();
+        }
+
+        eatTokenOfType(tokens.closeParen);
+        return t.quoteModule(name, string);
+      }
+
+      while (token.type !== tokens.closeParen) {
+        moduleFields.push(walk());
+
+        if (state.registredExportedElements.length > 0) {
+          state.registredExportedElements.forEach(function (decl) {
+            moduleFields.push(t.moduleExport(decl.name, t.moduleExportDescr(decl.exportType, decl.id)));
+          });
+          state.registredExportedElements = [];
+        }
+
+        token = tokensList[current];
+      }
+
+      eatTokenOfType(tokens.closeParen);
+      return t.module(name, moduleFields);
+    }
+    /**
+     * Parses the arguments of an instruction
+     */
+
+
+    function parseFuncInstrArguments(signature) {
+      var args = [];
+      var namedArgs = {};
+      var signaturePtr = 0;
+
+      while (token.type === tokens.name || isKeyword(token, keywords.offset)) {
+        var key = token.value;
+        eatToken();
+        eatTokenOfType(tokens.equal);
+        var value = void 0;
+
+        if (token.type === tokens.number) {
+          value = t.numberLiteralFromRaw(token.value);
+        } else {
+          throw new Error("Unexpected type for argument: " + token.type);
+        }
+
+        namedArgs[key] = value;
+        eatToken();
+      } // $FlowIgnore
+
+
+      var signatureLength = signature.vector ? Infinity : signature.length;
+
+      while (token.type !== tokens.closeParen && ( // $FlowIgnore
+      token.type === tokens.openParen || signaturePtr < signatureLength)) {
+        if (token.type === tokens.identifier) {
+          args.push(t.identifier(token.value));
+          eatToken();
+        } else if (token.type === tokens.valtype) {
+          // Handle locals
+          args.push(t.valtypeLiteral(token.value));
+          eatToken();
+        } else if (token.type === tokens.string) {
+          args.push(t.stringLiteral(token.value));
+          eatToken();
+        } else if (token.type === tokens.number) {
+          args.push( // TODO(sven): refactor the type signature handling
+          // https://github.com/xtuc/webassemblyjs/pull/129 is a good start
+          t.numberLiteralFromRaw(token.value, // $FlowIgnore
+          signature[signaturePtr] || "f64")); // $FlowIgnore
+
+          if (!signature.vector) {
+            ++signaturePtr;
+          }
+
+          eatToken();
+        } else if (token.type === tokens.openParen) {
+          /**
+           * Maybe some nested instructions
+           */
+          eatToken(); // Instruction
+
+          if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+          ) {
+              // $FlowIgnore
+              args.push(parseFuncInstr());
+            } else {
+            throw function () {
+              return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in nested instruction" + ", given " + tokenToString(token));
+            }();
+          }
+
+          if (token.type === tokens.closeParen) {
+            eatToken();
+          }
+        } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in instruction argument" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      return {
+        args: args,
+        namedArgs: namedArgs
+      };
+    }
+    /**
+     * Parses an instruction
+     *
+     * WAT:
+     *
+     * instr      :: plaininst
+     *               blockinstr
+     *
+     * blockinstr :: 'block' I:label rt:resulttype (in:instr*) 'end' id?
+     *               'loop' I:label rt:resulttype (in:instr*) 'end' id?
+     *               'if' I:label rt:resulttype (in:instr*) 'else' id? (in2:intr*) 'end' id?
+     *
+     * plaininst  :: 'unreachable'
+     *               'nop'
+     *               'br' l:labelidx
+     *               'br_if' l:labelidx
+     *               'br_table' l*:vec(labelidx) ln:labelidx
+     *               'return'
+     *               'call' x:funcidx
+     *               'call_indirect' x, I:typeuse
+     *
+     * WAST:
+     *
+     * instr:
+     *   <expr>
+     *   <op>
+     *   block <name>? <block_sig> <instr>* end <name>?
+     *   loop <name>? <block_sig> <instr>* end <name>?
+     *   if <name>? <block_sig> <instr>* end <name>?
+     *   if <name>? <block_sig> <instr>* else <name>? <instr>* end <name>?
+     *
+     * expr:
+     *   ( <op> )
+     *   ( <op> <expr>+ )
+     *   ( block <name>? <block_sig> <instr>* )
+     *   ( loop <name>? <block_sig> <instr>* )
+     *   ( if <name>? <block_sig> ( then <instr>* ) ( else <instr>* )? )
+     *   ( if <name>? <block_sig> <expr>+ ( then <instr>* ) ( else <instr>* )? )
+     *
+     * op:
+     *   unreachable
+     *   nop
+     *   br <var>
+     *   br_if <var>
+     *   br_table <var>+
+     *   return
+     *   call <var>
+     *   call_indirect <func_sig>
+     *   drop
+     *   select
+     *   get_local <var>
+     *   set_local <var>
+     *   tee_local <var>
+     *   get_global <var>
+     *   set_global <var>
+     *   <type>.load((8|16|32)_<sign>)? <offset>? <align>?
+     *   <type>.store(8|16|32)? <offset>? <align>?
+     *   current_memory
+     *   grow_memory
+     *   <type>.const <value>
+     *   <type>.<unop>
+     *   <type>.<binop>
+     *   <type>.<testop>
+     *   <type>.<relop>
+     *   <type>.<cvtop>/<type>
+     *
+     * func_type:   ( type <var> )? <param>* <result>*
+     */
+
+
+    function parseFuncInstr() {
+      var startLoc = getStartLoc();
+      maybeIgnoreComment();
+      /**
+       * A simple instruction
+       */
+
+      if (token.type === tokens.name || token.type === tokens.valtype) {
+        var _name2 = token.value;
+        var object;
+        eatToken();
+
+        if (token.type === tokens.dot) {
+          object = _name2;
+          eatToken();
+
+          if (token.type !== tokens.name) {
+            throw new TypeError("Unknown token: " + token.type + ", name expected");
+          }
+
+          _name2 = token.value;
+          eatToken();
+        }
+
+        if (token.type === tokens.closeParen) {
+          var _endLoc = token.loc.end;
+
+          if (typeof object === "undefined") {
+            return t.withLoc(t.instruction(_name2), _endLoc, startLoc);
+          } else {
+            return t.withLoc(t.objectInstruction(_name2, object, []), _endLoc, startLoc);
+          }
+        }
+
+        var signature = t.signatureForOpcode(object || "", _name2);
+
+        var _parseFuncInstrArgume = parseFuncInstrArguments(signature),
+            _args = _parseFuncInstrArgume.args,
+            _namedArgs = _parseFuncInstrArgume.namedArgs;
+
+        var endLoc = token.loc.end;
+
+        if (typeof object === "undefined") {
+          return t.withLoc(t.instruction(_name2, _args, _namedArgs), endLoc, startLoc);
+        } else {
+          return t.withLoc(t.objectInstruction(_name2, object, _args, _namedArgs), endLoc, startLoc);
+        }
+      } else if (isKeyword(token, keywords.loop)) {
+        /**
+         * Else a instruction with a keyword (loop or block)
+         */
+        eatToken(); // keyword
+
+        return parseLoop();
+      } else if (isKeyword(token, keywords.block)) {
+        eatToken(); // keyword
+
+        return parseBlock();
+      } else if (isKeyword(token, keywords.call_indirect)) {
+        eatToken(); // keyword
+
+        return parseCallIndirect();
+      } else if (isKeyword(token, keywords.call)) {
+        eatToken(); // keyword
+
+        var index;
+
+        if (token.type === tokens.identifier) {
+          index = identifierFromToken(token);
+          eatToken();
+        } else if (token.type === tokens.number) {
+          index = t.indexLiteral(token.value);
+          eatToken();
+        }
+
+        var instrArgs = []; // Nested instruction
+
+        while (token.type === tokens.openParen) {
+          eatToken();
+          instrArgs.push(parseFuncInstr());
+          eatTokenOfType(tokens.closeParen);
+        }
+
+        if (typeof index === "undefined") {
+          throw new Error("Missing argument in call instruciton");
+        }
+
+        if (instrArgs.length > 0) {
+          return t.callInstruction(index, instrArgs);
+        } else {
+          return t.callInstruction(index);
+        }
+      } else if (isKeyword(token, keywords.if)) {
+        eatToken(); // Keyword
+
+        return parseIf();
+      } else if (isKeyword(token, keywords.module) && hasPlugin("wast")) {
+        eatToken(); // In WAST you can have a module as an instruction's argument
+        // we will cast it into a instruction to not break the flow
+        // $FlowIgnore
+
+        var module = parseModule();
+        return module;
+      } else {
+        throw function () {
+          return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected instruction in function body" + ", given " + tokenToString(token));
+        }();
+      }
+    }
+    /*
+     * Parses a function
+     *
+     * WAT:
+     *
+     * functype :: ( 'func' t1:vec(param) t2:vec(result) )
+     * param    :: ( 'param' id? t:valtype )
+     * result   :: ( 'result' t:valtype )
+     *
+     * WAST:
+     *
+     * func     :: ( func <name>? <func_sig> <local>* <instr>* )
+     *             ( func <name>? ( export <string> ) <...> )
+     *             ( func <name>? ( import <string> <string> ) <func_sig> )
+     * func_sig :: ( type <var> )? <param>* <result>*
+     * param    :: ( param <type>* ) | ( param <name> <type> )
+     * result   :: ( result <type>* )
+     * local    :: ( local <type>* ) | ( local <name> <type> )
+     *
+     */
+
+
+    function parseFunc() {
+      var fnName = t.identifier(getUniqueName("func"));
+      var typeRef;
+      var fnBody = [];
+      var fnParams = [];
+      var fnResult = []; // name
+
+      if (token.type === tokens.identifier) {
+        fnName = identifierFromToken(token);
+        eatToken();
+      } else {
+        fnName = t.withRaw(fnName, ""); // preserve anonymous
+      }
+
+      maybeIgnoreComment();
+
+      while (token.type === tokens.openParen || token.type === tokens.name || token.type === tokens.valtype) {
+        // Instructions without parens
+        if (token.type === tokens.name || token.type === tokens.valtype) {
+          fnBody.push(parseFuncInstr());
+          continue;
+        }
+
+        eatToken();
+
+        if (lookaheadAndCheck(keywords.param) === true) {
+          eatToken();
+          fnParams.push.apply(fnParams, _toConsumableArray(parseFuncParam()));
+        } else if (lookaheadAndCheck(keywords.result) === true) {
+          eatToken();
+          fnResult.push.apply(fnResult, _toConsumableArray(parseFuncResult()));
+        } else if (lookaheadAndCheck(keywords.export) === true) {
+          eatToken();
+          parseFuncExport(fnName);
+        } else if (lookaheadAndCheck(keywords.type) === true) {
+          eatToken();
+          typeRef = parseTypeReference();
+        } else if (lookaheadAndCheck(tokens.name) === true || lookaheadAndCheck(tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            fnBody.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in func body" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.func(fnName, typeRef !== undefined ? typeRef : t.signature(fnParams, fnResult), fnBody);
+    }
+    /**
+     * Parses shorthand export in func
+     *
+     * export :: ( export <string> )
+     */
+
+
+    function parseFuncExport(funcId) {
+      if (token.type !== tokens.string) {
+        throw function () {
+          return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Function export expected a string" + ", given " + tokenToString(token));
+        }();
+      }
+
+      var name = token.value;
+      eatToken();
+      /**
+       * Func export shorthand, we trait it as a syntaxic sugar.
+       * A export ModuleField will be added later.
+       *
+       * We give the anonymous function a generated name and export it.
+       */
+
+      var id = t.identifier(funcId.value);
+      state.registredExportedElements.push({
+        exportType: "Func",
+        name: name,
+        id: id
+      });
+    }
+    /**
+     * Parses a type instruction
+     *
+     * WAST:
+     *
+     * typedef: ( type <name>? ( func <param>* <result>* ) )
+     */
+
+
+    function parseType() {
+      var id;
+      var params = [];
+      var result = [];
+
+      if (token.type === tokens.identifier) {
+        id = identifierFromToken(token);
+        eatToken();
+      }
+
+      if (lookaheadAndCheck(tokens.openParen, keywords.func)) {
+        eatToken(); // (
+
+        eatToken(); // func
+
+        if (token.type === tokens.closeParen) {
+          eatToken(); // function with an empty signature, we can abort here
+
+          return t.typeInstruction(id, t.signature([], []));
+        }
+
+        if (lookaheadAndCheck(tokens.openParen, keywords.param)) {
+          eatToken(); // (
+
+          eatToken(); // param
+
+          params = parseFuncParam();
+          eatTokenOfType(tokens.closeParen);
+        }
+
+        if (lookaheadAndCheck(tokens.openParen, keywords.result)) {
+          eatToken(); // (
+
+          eatToken(); // result
+
+          result = parseFuncResult();
+          eatTokenOfType(tokens.closeParen);
+        }
+
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.typeInstruction(id, t.signature(params, result));
+    }
+    /**
+     * Parses a function result
+     *
+     * WAST:
+     *
+     * result :: ( result <type>* )
+     */
+
+
+    function parseFuncResult() {
+      var results = [];
+
+      while (token.type !== tokens.closeParen) {
+        if (token.type !== tokens.valtype) {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unexpected token in func result" + ", given " + tokenToString(token));
+          }();
+        }
+
+        var valtype = token.value;
+        eatToken();
+        results.push(valtype);
+      }
+
+      return results;
+    }
+    /**
+     * Parses a type reference
+     *
+     */
+
+
+    function parseTypeReference() {
+      var ref;
+
+      if (token.type === tokens.identifier) {
+        ref = identifierFromToken(token);
+        eatToken();
+      } else if (token.type === tokens.number) {
+        ref = t.numberLiteralFromRaw(token.value);
+        eatToken();
+      }
+
+      return ref;
+    }
+    /**
+     * Parses a global instruction
+     *
+     * WAST:
+     *
+     * global:  ( global <name>? <global_sig> <instr>* )
+     *          ( global <name>? ( export <string> ) <...> )
+     *          ( global <name>? ( import <string> <string> ) <global_sig> )
+     *
+     * global_sig: <type> | ( mut <type> )
+     *
+     */
+
+
+    function parseGlobal() {
+      var name = t.identifier(getUniqueName("global"));
+      var type; // Keep informations in case of a shorthand import
+
+      var importing = null;
+      maybeIgnoreComment();
+
+      if (token.type === tokens.identifier) {
+        name = identifierFromToken(token);
+        eatToken();
+      } else {
+        name = t.withRaw(name, ""); // preserve anonymous
+      }
+      /**
+       * maybe export
+       */
+
+
+      if (lookaheadAndCheck(tokens.openParen, keywords.export)) {
+        eatToken(); // (
+
+        eatToken(); // export
+
+        var exportName = token.value;
+        eatTokenOfType(tokens.string);
+        state.registredExportedElements.push({
+          exportType: "Global",
+          name: exportName,
+          id: name
+        });
+        eatTokenOfType(tokens.closeParen);
+      }
+      /**
+       * maybe import
+       */
+
+
+      if (lookaheadAndCheck(tokens.openParen, keywords.import)) {
+        eatToken(); // (
+
+        eatToken(); // import
+
+        var moduleName = token.value;
+        eatTokenOfType(tokens.string);
+        var _name3 = token.value;
+        eatTokenOfType(tokens.string);
+        importing = {
+          module: moduleName,
+          name: _name3,
+          descr: undefined
+        };
+        eatTokenOfType(tokens.closeParen);
+      }
+      /**
+       * global_sig
+       */
+
+
+      if (token.type === tokens.valtype) {
+        type = t.globalType(token.value, "const");
+        eatToken();
+      } else if (token.type === tokens.openParen) {
+        eatToken(); // (
+
+        if (isKeyword(token, keywords.mut) === false) {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unsupported global type, expected mut" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatToken(); // mut
+
+        type = t.globalType(token.value, "var");
+        eatToken();
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      if (type === undefined) {
+        throw function () {
+          return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Could not determine global type" + ", given " + tokenToString(token));
+        }();
+      }
+
+      maybeIgnoreComment();
+      var init = [];
+
+      if (importing != null) {
+        importing.descr = type;
+        init.push(t.moduleImport(importing.module, importing.name, importing.descr));
+      }
+      /**
+       * instr*
+       */
+
+
+      while (token.type === tokens.openParen) {
+        eatToken();
+        init.push(parseFuncInstr());
+        eatTokenOfType(tokens.closeParen);
+      }
+
+      return t.global(type, init, name);
+    }
+    /**
+     * Parses a function param
+     *
+     * WAST:
+     *
+     * param    :: ( param <type>* ) | ( param <name> <type> )
+     */
+
+
+    function parseFuncParam() {
+      var params = [];
+      var id;
+      var valtype;
+
+      if (token.type === tokens.identifier) {
+        id = token.value;
+        eatToken();
+      }
+
+      if (token.type === tokens.valtype) {
+        valtype = token.value;
+        eatToken();
+        params.push({
+          id: id,
+          valtype: valtype
+        });
+        /**
+         * Shorthand notation for multiple anonymous parameters
+         * @see https://webassembly.github.io/spec/core/text/types.html#function-types
+         * @see https://github.com/xtuc/webassemblyjs/issues/6
+         */
+
+        if (id === undefined) {
+          while (token.type === tokens.valtype) {
+            valtype = token.value;
+            eatToken();
+            params.push({
+              id: undefined,
+              valtype: valtype
+            });
+          }
+        }
+      } else {// ignore
+      }
+
+      return params;
+    }
+    /**
+     * Parses an element segments instruction
+     *
+     * WAST:
+     *
+     * elem:    ( elem <var>? (offset <instr>* ) <var>* )
+     *          ( elem <var>? <expr> <var>* )
+     *
+     * var:    <nat> | <name>
+     */
+
+
+    function parseElem() {
+      var tableIndex = t.indexLiteral(0);
+      var offset = [];
+      var funcs = [];
+
+      if (token.type === tokens.identifier) {
+        tableIndex = identifierFromToken(token);
+        eatToken();
+      }
+
+      if (token.type === tokens.number) {
+        tableIndex = t.indexLiteral(token.value);
+        eatToken();
+      }
+
+      while (token.type !== tokens.closeParen) {
+        if (lookaheadAndCheck(tokens.openParen, keywords.offset)) {
+          eatToken(); // (
+
+          eatToken(); // offset
+
+          while (token.type !== tokens.closeParen) {
+            eatTokenOfType(tokens.openParen);
+            offset.push(parseFuncInstr());
+            eatTokenOfType(tokens.closeParen);
+          }
+
+          eatTokenOfType(tokens.closeParen);
+        } else if (token.type === tokens.identifier) {
+          funcs.push(t.identifier(token.value));
+          eatToken();
+        } else if (token.type === tokens.number) {
+          funcs.push(t.indexLiteral(token.value));
+          eatToken();
+        } else if (token.type === tokens.openParen) {
+          eatToken(); // (
+
+          offset.push(parseFuncInstr());
+          eatTokenOfType(tokens.closeParen);
+        } else {
+          throw function () {
+            return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unsupported token in elem" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      return t.elem(tableIndex, offset, funcs);
+    }
+    /**
+     * Parses the start instruction in a module
+     *
+     * WAST:
+     *
+     * start:   ( start <var> )
+     * var:    <nat> | <name>
+     *
+     * WAT:
+     * start ::= ‘(’ ‘start’  x:funcidx ‘)’
+     */
+
+
+    function parseStart() {
+      if (token.type === tokens.identifier) {
+        var index = identifierFromToken(token);
+        eatToken();
+        return t.start(index);
+      }
+
+      if (token.type === tokens.number) {
+        var _index2 = t.indexLiteral(token.value);
+
+        eatToken();
+        return t.start(_index2);
+      }
+
+      throw new Error("Unknown start, token: " + tokenToString(token));
+    }
+
+    if (token.type === tokens.openParen) {
+      eatToken();
+      var startLoc = getStartLoc();
+
+      if (isKeyword(token, keywords.export)) {
+        eatToken();
+        var node = parseExport();
+
+        var _endLoc2 = getEndLoc();
+
+        return t.withLoc(node, _endLoc2, startLoc);
+      }
+
+      if (isKeyword(token, keywords.loop)) {
+        eatToken();
+
+        var _node = parseLoop();
+
+        var _endLoc3 = getEndLoc();
+
+        return t.withLoc(_node, _endLoc3, startLoc);
+      }
+
+      if (isKeyword(token, keywords.func)) {
+        eatToken();
+
+        var _node2 = parseFunc();
+
+        var _endLoc4 = getEndLoc();
+
+        maybeIgnoreComment();
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node2, _endLoc4, startLoc);
+      }
+
+      if (isKeyword(token, keywords.module)) {
+        eatToken();
+
+        var _node3 = parseModule();
+
+        var _endLoc5 = getEndLoc();
+
+        return t.withLoc(_node3, _endLoc5, startLoc);
+      }
+
+      if (isKeyword(token, keywords.import)) {
+        eatToken();
+
+        var _node4 = parseImport();
+
+        var _endLoc6 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node4, _endLoc6, startLoc);
+      }
+
+      if (isKeyword(token, keywords.block)) {
+        eatToken();
+
+        var _node5 = parseBlock();
+
+        var _endLoc7 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node5, _endLoc7, startLoc);
+      }
+
+      if (isKeyword(token, keywords.memory)) {
+        eatToken();
+
+        var _node6 = parseMemory();
+
+        var _endLoc8 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node6, _endLoc8, startLoc);
+      }
+
+      if (isKeyword(token, keywords.data)) {
+        eatToken();
+
+        var _node7 = parseData();
+
+        var _endLoc9 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node7, _endLoc9, startLoc);
+      }
+
+      if (isKeyword(token, keywords.table)) {
+        eatToken();
+
+        var _node8 = parseTable();
+
+        var _endLoc10 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node8, _endLoc10, startLoc);
+      }
+
+      if (isKeyword(token, keywords.global)) {
+        eatToken();
+
+        var _node9 = parseGlobal();
+
+        var _endLoc11 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node9, _endLoc11, startLoc);
+      }
+
+      if (isKeyword(token, keywords.type)) {
+        eatToken();
+
+        var _node10 = parseType();
+
+        var _endLoc12 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node10, _endLoc12, startLoc);
+      }
+
+      if (isKeyword(token, keywords.start)) {
+        eatToken();
+
+        var _node11 = parseStart();
+
+        var _endLoc13 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node11, _endLoc13, startLoc);
+      }
+
+      if (isKeyword(token, keywords.elem)) {
+        eatToken();
+
+        var _node12 = parseElem();
+
+        var _endLoc14 = getEndLoc();
+
+        eatTokenOfType(tokens.closeParen);
+        return t.withLoc(_node12, _endLoc14, startLoc);
+      }
+
+      var instruction = parseFuncInstr();
+      var endLoc = getEndLoc();
+      maybeIgnoreComment();
+
+      if (_typeof(instruction) === "object") {
+        if (typeof token !== "undefined") {
+          eatTokenOfType(tokens.closeParen);
+        }
+
+        return t.withLoc(instruction, endLoc, startLoc);
+      }
+    }
+
+    if (token.type === tokens.comment) {
+      var _startLoc = getStartLoc();
+
+      var builder = token.opts.type === "leading" ? t.leadingComment : t.blockComment;
+
+      var _node13 = builder(token.value);
+
+      eatToken(); // comment
+
+      var _endLoc15 = getEndLoc();
+
+      return t.withLoc(_node13, _endLoc15, _startLoc);
+    }
+
+    throw function () {
+      return new Error("\n" + codeFrameFromSource(source, token.loc) + "\n" + "Unknown token" + ", given " + tokenToString(token));
+    }();
+  }
+
+  var body = [];
+
+  while (current < tokensList.length) {
+    body.push(walk());
+  }
+
+  return t.program(body);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/esm/index.js b/node_modules/@webassemblyjs/wast-parser/esm/index.js
new file mode 100644
index 00000000..70cda380
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/esm/index.js
@@ -0,0 +1,9 @@
+import * as parser from "./grammar";
+import { tokenize } from "./tokenizer";
+export function parse(source) {
+  var tokens = tokenize(source); // We pass the source here to show code frames
+
+  var ast = parser.parse(tokens, source);
+  return ast;
+}
+export * from "./number-literals";
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/esm/number-literals.js b/node_modules/@webassemblyjs/wast-parser/esm/number-literals.js
new file mode 100644
index 00000000..98b89968
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/esm/number-literals.js
@@ -0,0 +1,91 @@
+import Long from "@xtuc/long";
+import parseHexFloat from "@webassemblyjs/floating-point-hex-parser";
+import { CompileError } from "@webassemblyjs/helper-api-error";
+export function parse32F(sourceString) {
+  if (isHexLiteral(sourceString)) {
+    return parseHexFloat(sourceString);
+  }
+
+  if (isInfLiteral(sourceString)) {
+    return sourceString[0] === "-" ? -1 : 1;
+  }
+
+  if (isNanLiteral(sourceString)) {
+    return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x400000);
+  }
+
+  return parseFloat(sourceString);
+}
+export function parse64F(sourceString) {
+  if (isHexLiteral(sourceString)) {
+    return parseHexFloat(sourceString);
+  }
+
+  if (isInfLiteral(sourceString)) {
+    return sourceString[0] === "-" ? -1 : 1;
+  }
+
+  if (isNanLiteral(sourceString)) {
+    return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x8000000000000);
+  }
+
+  if (isHexLiteral(sourceString)) {
+    return parseHexFloat(sourceString);
+  }
+
+  return parseFloat(sourceString);
+}
+export function parse32I(sourceString) {
+  var value = 0;
+
+  if (isHexLiteral(sourceString)) {
+    value = ~~parseInt(sourceString, 16);
+  } else if (isDecimalExponentLiteral(sourceString)) {
+    throw new Error("This number literal format is yet to be implemented.");
+  } else {
+    value = parseInt(sourceString, 10);
+  }
+
+  return value;
+}
+export function parseU32(sourceString) {
+  var value = parse32I(sourceString);
+
+  if (value < 0) {
+    throw new CompileError("Illegal value for u32: " + sourceString);
+  }
+
+  return value;
+}
+export function parse64I(sourceString) {
+  var long;
+
+  if (isHexLiteral(sourceString)) {
+    long = Long.fromString(sourceString, false, 16);
+  } else if (isDecimalExponentLiteral(sourceString)) {
+    throw new Error("This number literal format is yet to be implemented.");
+  } else {
+    long = Long.fromString(sourceString);
+  }
+
+  return {
+    high: long.high,
+    low: long.low
+  };
+}
+var NAN_WORD = /^\+?-?nan/;
+var INF_WORD = /^\+?-?inf/;
+export function isInfLiteral(sourceString) {
+  return INF_WORD.test(sourceString.toLowerCase());
+}
+export function isNanLiteral(sourceString) {
+  return NAN_WORD.test(sourceString.toLowerCase());
+}
+
+function isDecimalExponentLiteral(sourceString) {
+  return !isHexLiteral(sourceString) && sourceString.toUpperCase().includes("E");
+}
+
+function isHexLiteral(sourceString) {
+  return sourceString.substring(0, 2).toUpperCase() === "0X" || sourceString.substring(0, 3).toUpperCase() === "-0X";
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/esm/string-literals.js b/node_modules/@webassemblyjs/wast-parser/esm/string-literals.js
new file mode 100644
index 00000000..3f55e82a
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/esm/string-literals.js
@@ -0,0 +1,88 @@
+// string literal characters cannot contain control codes
+var CONTROL_CODES = [0, // null
+7, // bell
+8, // backspace
+9, // horizontal
+10, // line feed
+11, // vertical tab
+12, // form feed
+13, // carriage return
+26, // Control-Z
+27, // escape
+127 // delete
+]; // escaped sequences can either be a two character hex value, or one of the
+// following single character codes
+
+function decodeControlCharacter(char) {
+  switch (char) {
+    case "t":
+      return 0x09;
+
+    case "n":
+      return 0x0a;
+
+    case "r":
+      return 0x0d;
+
+    case '"':
+      return 0x22;
+
+    case "′":
+      return 0x27;
+
+    case "\\":
+      return 0x5c;
+  }
+
+  return -1;
+}
+
+var ESCAPE_CHAR = 92; // backslash
+
+var QUOTE_CHAR = 34; // backslash
+// parse string as per the spec:
+// https://webassembly.github.io/spec/core/multipage/text/values.html#text-string
+
+export function parseString(value) {
+  var byteArray = [];
+  var index = 0;
+
+  while (index < value.length) {
+    var charCode = value.charCodeAt(index);
+
+    if (CONTROL_CODES.indexOf(charCode) !== -1) {
+      throw new Error("ASCII control characters are not permitted within string literals");
+    }
+
+    if (charCode === QUOTE_CHAR) {
+      throw new Error("quotes are not permitted within string literals");
+    }
+
+    if (charCode === ESCAPE_CHAR) {
+      var firstChar = value.substr(index + 1, 1);
+      var decodedControlChar = decodeControlCharacter(firstChar);
+
+      if (decodedControlChar !== -1) {
+        // single character escaped values, e.g. \r
+        byteArray.push(decodedControlChar);
+        index += 2;
+      } else {
+        // hex escaped values, e.g. \2a
+        var hexValue = value.substr(index + 1, 2);
+
+        if (!/^[0-9A-F]{2}$/i.test(hexValue)) {
+          throw new Error("invalid character encoding");
+        }
+
+        byteArray.push(parseInt(hexValue, 16));
+        index += 3;
+      }
+    } else {
+      // ASCII encoded values
+      byteArray.push(charCode);
+      index++;
+    }
+  }
+
+  return byteArray;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/esm/tokenizer.js b/node_modules/@webassemblyjs/wast-parser/esm/tokenizer.js
new file mode 100644
index 00000000..30f9098d
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/esm/tokenizer.js
@@ -0,0 +1,434 @@
+import { FSM, makeTransition } from "@webassemblyjs/helper-fsm";
+import { codeFrameFromSource } from "@webassemblyjs/helper-code-frame";
+
+// eslint-disable-next-line
+function getCodeFrame(source, line, column) {
+  var loc = {
+    start: {
+      line: line,
+      column: column
+    }
+  };
+  return "\n" + codeFrameFromSource(source, loc) + "\n";
+}
+
+var WHITESPACE = /\s/;
+var PARENS = /\(|\)/;
+var LETTERS = /[a-z0-9_/]/i;
+var idchar = /[a-z0-9!#$%&*+./:<=>?@\\[\]^_`|~-]/i;
+var valtypes = ["i32", "i64", "f32", "f64"];
+var NUMBERS = /[0-9|.|_]/;
+var NUMBER_KEYWORDS = /nan|inf/;
+
+function isNewLine(char) {
+  return char.charCodeAt(0) === 10 || char.charCodeAt(0) === 13;
+}
+
+function Token(type, value, start, end) {
+  var opts = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+  var token = {
+    type: type,
+    value: value,
+    loc: {
+      start: start,
+      end: end
+    }
+  };
+
+  if (Object.keys(opts).length > 0) {
+    // $FlowIgnore
+    token["opts"] = opts;
+  }
+
+  return token;
+}
+
+var tokenTypes = {
+  openParen: "openParen",
+  closeParen: "closeParen",
+  number: "number",
+  string: "string",
+  name: "name",
+  identifier: "identifier",
+  valtype: "valtype",
+  dot: "dot",
+  comment: "comment",
+  equal: "equal",
+  keyword: "keyword"
+};
+export var keywords = {
+  module: "module",
+  func: "func",
+  param: "param",
+  result: "result",
+  export: "export",
+  loop: "loop",
+  block: "block",
+  if: "if",
+  then: "then",
+  else: "else",
+  call: "call",
+  call_indirect: "call_indirect",
+  import: "import",
+  memory: "memory",
+  table: "table",
+  global: "global",
+  anyfunc: "anyfunc",
+  mut: "mut",
+  data: "data",
+  type: "type",
+  elem: "elem",
+  start: "start",
+  offset: "offset"
+};
+var NUMERIC_SEPARATOR = "_";
+/**
+ * Build the FSM for number literals
+ */
+
+var numberLiteralFSM = new FSM({
+  START: [makeTransition(/-|\+/, "AFTER_SIGN"), makeTransition(/nan:0x/, "NAN_HEX", {
+    n: 6
+  }), makeTransition(/nan|inf/, "STOP", {
+    n: 3
+  }), makeTransition(/0x/, "HEX", {
+    n: 2
+  }), makeTransition(/[0-9]/, "DEC"), makeTransition(/\./, "DEC_FRAC")],
+  AFTER_SIGN: [makeTransition(/nan:0x/, "NAN_HEX", {
+    n: 6
+  }), makeTransition(/nan|inf/, "STOP", {
+    n: 3
+  }), makeTransition(/0x/, "HEX", {
+    n: 2
+  }), makeTransition(/[0-9]/, "DEC"), makeTransition(/\./, "DEC_FRAC")],
+  DEC_FRAC: [makeTransition(/[0-9]/, "DEC_FRAC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), makeTransition(/e|E/, "DEC_SIGNED_EXP")],
+  DEC: [makeTransition(/[0-9]/, "DEC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), makeTransition(/\./, "DEC_FRAC"), makeTransition(/e|E/, "DEC_SIGNED_EXP")],
+  DEC_SIGNED_EXP: [makeTransition(/\+|-/, "DEC_EXP"), makeTransition(/[0-9]/, "DEC_EXP")],
+  DEC_EXP: [makeTransition(/[0-9]/, "DEC_EXP", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  HEX: [makeTransition(/[0-9|A-F|a-f]/, "HEX", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), makeTransition(/\./, "HEX_FRAC"), makeTransition(/p|P/, "HEX_SIGNED_EXP")],
+  HEX_FRAC: [makeTransition(/[0-9|A-F|a-f]/, "HEX_FRAC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), makeTransition(/p|P|/, "HEX_SIGNED_EXP")],
+  HEX_SIGNED_EXP: [makeTransition(/[0-9|+|-]/, "HEX_EXP")],
+  HEX_EXP: [makeTransition(/[0-9]/, "HEX_EXP", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  NAN_HEX: [makeTransition(/[0-9|A-F|a-f]/, "NAN_HEX", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  STOP: []
+}, "START", "STOP");
+export function tokenize(input) {
+  var current = 0;
+  var char = input[current]; // Used by SourceLocation
+
+  var column = 1;
+  var line = 1;
+  var tokens = [];
+  /**
+   * Creates a pushToken function for a given type
+   */
+
+  function pushToken(type) {
+    return function (v) {
+      var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+      var startColumn = opts.startColumn || column - String(v).length;
+      delete opts.startColumn;
+      var endColumn = opts.endColumn || startColumn + String(v).length - 1;
+      delete opts.endColumn;
+      var start = {
+        line: line,
+        column: startColumn
+      };
+      var end = {
+        line: line,
+        column: endColumn
+      };
+      tokens.push(Token(type, v, start, end, opts));
+    };
+  }
+  /**
+   * Functions to save newly encountered tokens
+   */
+
+
+  var pushCloseParenToken = pushToken(tokenTypes.closeParen);
+  var pushOpenParenToken = pushToken(tokenTypes.openParen);
+  var pushNumberToken = pushToken(tokenTypes.number);
+  var pushValtypeToken = pushToken(tokenTypes.valtype);
+  var pushNameToken = pushToken(tokenTypes.name);
+  var pushIdentifierToken = pushToken(tokenTypes.identifier);
+  var pushKeywordToken = pushToken(tokenTypes.keyword);
+  var pushDotToken = pushToken(tokenTypes.dot);
+  var pushStringToken = pushToken(tokenTypes.string);
+  var pushCommentToken = pushToken(tokenTypes.comment);
+  var pushEqualToken = pushToken(tokenTypes.equal);
+  /**
+   * Can be used to look at the next character(s).
+   *
+   * The default behavior `lookahead()` simply returns the next character without consuming it.
+   * Letters are always returned in lowercase.
+   *
+   * @param {number} length How many characters to query. Default = 1
+   * @param {number} offset How many characters to skip forward from current one. Default = 1
+   *
+   */
+
+  function lookahead() {
+    var length = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
+    var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+    return input.substring(current + offset, current + offset + length).toLowerCase();
+  }
+  /**
+   * Advances the cursor in the input by a certain amount
+   *
+   * @param {number} amount How many characters to consume. Default = 1
+   */
+
+
+  function eatCharacter() {
+    var amount = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
+    column += amount;
+    current += amount;
+    char = input[current];
+  }
+
+  while (current < input.length) {
+    // ;;
+    if (char === ";" && lookahead() === ";") {
+      var startColumn = column;
+      eatCharacter(2);
+      var text = "";
+
+      while (!isNewLine(char)) {
+        text += char;
+        eatCharacter();
+
+        if (char === undefined) {
+          break;
+        }
+      }
+
+      var endColumn = column;
+      pushCommentToken(text, {
+        type: "leading",
+        startColumn: startColumn,
+        endColumn: endColumn
+      });
+      continue;
+    } // (;
+
+
+    if (char === "(" && lookahead() === ";") {
+      var _startColumn = column;
+      eatCharacter(2);
+      var _text = ""; // ;)
+
+      while (true) {
+        char = input[current];
+
+        if (char === ";" && lookahead() === ")") {
+          eatCharacter(2);
+          break;
+        }
+
+        _text += char;
+        eatCharacter();
+
+        if (isNewLine(char)) {
+          line++;
+          column = 0;
+        }
+      }
+
+      var _endColumn = column;
+      pushCommentToken(_text, {
+        type: "block",
+        startColumn: _startColumn,
+        endColumn: _endColumn
+      });
+      continue;
+    }
+
+    if (char === "(") {
+      pushOpenParenToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (char === "=") {
+      pushEqualToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (char === ")") {
+      pushCloseParenToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (isNewLine(char)) {
+      line++;
+      eatCharacter();
+      column = 0;
+      continue;
+    }
+
+    if (WHITESPACE.test(char)) {
+      eatCharacter();
+      continue;
+    }
+
+    if (char === "$") {
+      var _startColumn2 = column;
+      eatCharacter();
+      var value = "";
+
+      while (idchar.test(char)) {
+        value += char;
+        eatCharacter();
+      }
+
+      var _endColumn2 = column;
+      pushIdentifierToken(value, {
+        startColumn: _startColumn2,
+        endColumn: _endColumn2
+      });
+      continue;
+    }
+
+    if (NUMBERS.test(char) || NUMBER_KEYWORDS.test(lookahead(3, 0)) || char === "-" || char === "+") {
+      var _startColumn3 = column;
+
+      var _value = numberLiteralFSM.run(input.slice(current));
+
+      if (_value === "") {
+        throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+      }
+
+      pushNumberToken(_value, {
+        startColumn: _startColumn3
+      });
+      eatCharacter(_value.length);
+
+      if (char && !PARENS.test(char) && !WHITESPACE.test(char)) {
+        throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+      }
+
+      continue;
+    }
+
+    if (char === '"') {
+      var _startColumn4 = column;
+      var _value2 = "";
+      eatCharacter(); // "
+
+      while (char !== '"') {
+        if (isNewLine(char)) {
+          throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+        }
+
+        _value2 += char;
+        eatCharacter(); // char
+      }
+
+      eatCharacter(); // "
+
+      var _endColumn3 = column;
+      pushStringToken(_value2, {
+        startColumn: _startColumn4,
+        endColumn: _endColumn3
+      });
+      continue;
+    }
+
+    if (LETTERS.test(char)) {
+      var _value3 = "";
+      var _startColumn5 = column;
+
+      while (char && LETTERS.test(char)) {
+        _value3 += char;
+        eatCharacter();
+      }
+      /*
+       * Handle MemberAccess
+       */
+
+
+      if (char === ".") {
+        var dotStartColumn = column;
+
+        if (valtypes.indexOf(_value3) !== -1) {
+          pushValtypeToken(_value3, {
+            startColumn: _startColumn5
+          });
+        } else {
+          pushNameToken(_value3);
+        }
+
+        eatCharacter();
+        _value3 = "";
+        var nameStartColumn = column;
+
+        while (LETTERS.test(char)) {
+          _value3 += char;
+          eatCharacter();
+        }
+
+        pushDotToken(".", {
+          startColumn: dotStartColumn
+        });
+        pushNameToken(_value3, {
+          startColumn: nameStartColumn
+        });
+        continue;
+      }
+      /*
+       * Handle keywords
+       */
+      // $FlowIgnore
+
+
+      if (typeof keywords[_value3] === "string") {
+        pushKeywordToken(_value3, {
+          startColumn: _startColumn5
+        });
+        continue;
+      }
+      /*
+       * Handle types
+       */
+
+
+      if (valtypes.indexOf(_value3) !== -1) {
+        pushValtypeToken(_value3, {
+          startColumn: _startColumn5
+        });
+        continue;
+      }
+      /*
+       * Handle literals
+       */
+
+
+      pushNameToken(_value3, {
+        startColumn: _startColumn5
+      });
+      continue;
+    }
+
+    throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+  }
+
+  return tokens;
+}
+export var tokens = tokenTypes;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/lib/grammar.js b/node_modules/@webassemblyjs/wast-parser/lib/grammar.js
new file mode 100644
index 00000000..ddde33aa
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/lib/grammar.js
@@ -0,0 +1,1769 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.parse = parse;
+
+var _helperCodeFrame = require("@webassemblyjs/helper-code-frame");
+
+var t = _interopRequireWildcard(require("@webassemblyjs/ast"));
+
+var _numberLiterals = require("./number-literals");
+
+var _stringLiterals = require("./string-literals");
+
+var _tokenizer = require("./tokenizer");
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function hasPlugin(name) {
+  if (name !== "wast") throw new Error("unknow plugin");
+  return true;
+}
+
+function isKeyword(token, id) {
+  return token.type === _tokenizer.tokens.keyword && token.value === id;
+}
+
+function tokenToString(token) {
+  if (token.type === "keyword") {
+    return "keyword (".concat(token.value, ")");
+  }
+
+  return token.type;
+}
+
+function identifierFromToken(token) {
+  var _token$loc = token.loc,
+      end = _token$loc.end,
+      start = _token$loc.start;
+  return t.withLoc(t.identifier(token.value), end, start);
+}
+
+function parse(tokensList, source) {
+  var current = 0;
+  var getUniqueName = t.getUniqueNameGenerator();
+  var state = {
+    registredExportedElements: []
+  }; // But this time we're going to use recursion instead of a `while` loop. So we
+  // define a `walk` function.
+
+  function walk() {
+    var token = tokensList[current];
+
+    function eatToken() {
+      token = tokensList[++current];
+    }
+
+    function getEndLoc() {
+      var currentToken = token;
+
+      if (typeof currentToken === "undefined") {
+        var lastToken = tokensList[tokensList.length - 1];
+        currentToken = lastToken;
+      }
+
+      return currentToken.loc.end;
+    }
+
+    function getStartLoc() {
+      return token.loc.start;
+    }
+
+    function eatTokenOfType(type) {
+      if (token.type !== type) {
+        throw new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "Assertion error: expected token of type " + type + ", given " + tokenToString(token));
+      }
+
+      eatToken();
+    }
+
+    function parseExportIndex(token) {
+      if (token.type === _tokenizer.tokens.identifier) {
+        var index = identifierFromToken(token);
+        eatToken();
+        return index;
+      } else if (token.type === _tokenizer.tokens.number) {
+        var _index = t.numberLiteralFromRaw(token.value);
+
+        eatToken();
+        return _index;
+      } else {
+        throw function () {
+          return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "unknown export index" + ", given " + tokenToString(token));
+        }();
+      }
+    }
+
+    function lookaheadAndCheck() {
+      var len = arguments.length;
+
+      for (var i = 0; i < len; i++) {
+        var tokenAhead = tokensList[current + i];
+        var expectedToken = i < 0 || arguments.length <= i ? undefined : arguments[i];
+
+        if (tokenAhead.type === "keyword") {
+          if (isKeyword(tokenAhead, expectedToken) === false) {
+            return false;
+          }
+        } else if (expectedToken !== tokenAhead.type) {
+          return false;
+        }
+      }
+
+      return true;
+    } // TODO(sven): there is probably a better way to do this
+    // can refactor it if it get out of hands
+
+
+    function maybeIgnoreComment() {
+      if (typeof token === "undefined") {
+        // Ignore
+        return;
+      }
+
+      while (token.type === _tokenizer.tokens.comment) {
+        eatToken();
+
+        if (typeof token === "undefined") {
+          // Hit the end
+          break;
+        }
+      }
+    }
+    /**
+     * Parses a memory instruction
+     *
+     * WAST:
+     *
+     * memory:  ( memory <name>? <memory_sig> )
+     *          ( memory <name>? ( export <string> ) <...> )
+     *          ( memory <name>? ( import <string> <string> ) <memory_sig> )
+     *          ( memory <name>? ( export <string> )* ( data <string>* )
+     * memory_sig: <nat> <nat>?
+     *
+     */
+
+
+    function parseMemory() {
+      var id = t.identifier(getUniqueName("memory"));
+      var limits = t.limit(0);
+
+      if (token.type === _tokenizer.tokens.string || token.type === _tokenizer.tokens.identifier) {
+        id = t.identifier(token.value);
+        eatToken();
+      } else {
+        id = t.withRaw(id, ""); // preserve anonymous
+      }
+      /**
+       * Maybe data
+       */
+
+
+      if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.data)) {
+        eatToken(); // (
+
+        eatToken(); // data
+        // TODO(sven): do something with the data collected here
+
+        var stringInitializer = token.value;
+        eatTokenOfType(_tokenizer.tokens.string); // Update limits accordingly
+
+        limits = t.limit(stringInitializer.length);
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+      /**
+       * Maybe export
+       */
+
+
+      if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.export)) {
+        eatToken(); // (
+
+        eatToken(); // export
+
+        if (token.type !== _tokenizer.tokens.string) {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Expected string in export" + ", given " + tokenToString(token));
+          }();
+        }
+
+        var _name = token.value;
+        eatToken();
+        state.registredExportedElements.push({
+          exportType: "Memory",
+          name: _name,
+          id: id
+        });
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+      /**
+       * Memory signature
+       */
+
+
+      if (token.type === _tokenizer.tokens.number) {
+        limits = t.limit((0, _numberLiterals.parse32I)(token.value));
+        eatToken();
+
+        if (token.type === _tokenizer.tokens.number) {
+          limits.max = (0, _numberLiterals.parse32I)(token.value);
+          eatToken();
+        }
+      }
+
+      return t.memory(limits, id);
+    }
+    /**
+     * Parses a data section
+     * https://webassembly.github.io/spec/core/text/modules.html#data-segments
+     *
+     * WAST:
+     *
+     * data:  ( data <index>? <offset> <string> )
+     */
+
+
+    function parseData() {
+      // optional memory index
+      var memidx = 0;
+
+      if (token.type === _tokenizer.tokens.number) {
+        memidx = token.value;
+        eatTokenOfType(_tokenizer.tokens.number); // .
+      }
+
+      eatTokenOfType(_tokenizer.tokens.openParen);
+      var offset;
+
+      if (token.type === _tokenizer.tokens.valtype) {
+        eatTokenOfType(_tokenizer.tokens.valtype); // i32
+
+        eatTokenOfType(_tokenizer.tokens.dot); // .
+
+        if (token.value !== "const") {
+          throw new Error("constant expression required");
+        }
+
+        eatTokenOfType(_tokenizer.tokens.name); // const
+
+        var numberLiteral = t.numberLiteralFromRaw(token.value, "i32");
+        offset = t.objectInstruction("const", "i32", [numberLiteral]);
+        eatToken();
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      } else {
+        eatTokenOfType(_tokenizer.tokens.name); // get_global
+
+        var _numberLiteral = t.numberLiteralFromRaw(token.value, "i32");
+
+        offset = t.instruction("get_global", [_numberLiteral]);
+        eatToken();
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      var byteArray = (0, _stringLiterals.parseString)(token.value);
+      eatToken(); // "string"
+
+      return t.data(t.memIndexLiteral(memidx), offset, t.byteArray(byteArray));
+    }
+    /**
+     * Parses a table instruction
+     *
+     * WAST:
+     *
+     * table:   ( table <name>? <table_type> )
+     *          ( table <name>? ( export <string> ) <...> )
+     *          ( table <name>? ( import <string> <string> ) <table_type> )
+     *          ( table <name>? ( export <string> )* <elem_type> ( elem <var>* ) )
+     *
+     * table_type:  <nat> <nat>? <elem_type>
+     * elem_type: anyfunc
+     *
+     * elem:    ( elem <var>? (offset <instr>* ) <var>* )
+     *          ( elem <var>? <expr> <var>* )
+     */
+
+
+    function parseTable() {
+      var name = t.identifier(getUniqueName("table"));
+      var limit = t.limit(0);
+      var elemIndices = [];
+      var elemType = "anyfunc";
+
+      if (token.type === _tokenizer.tokens.string || token.type === _tokenizer.tokens.identifier) {
+        name = identifierFromToken(token);
+        eatToken();
+      } else {
+        name = t.withRaw(name, ""); // preserve anonymous
+      }
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        /**
+         * Maybe export
+         */
+        if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.elem)) {
+          eatToken(); // (
+
+          eatToken(); // elem
+
+          while (token.type === _tokenizer.tokens.identifier) {
+            elemIndices.push(t.identifier(token.value));
+            eatToken();
+          }
+
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        } else if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.export)) {
+          eatToken(); // (
+
+          eatToken(); // export
+
+          if (token.type !== _tokenizer.tokens.string) {
+            throw function () {
+              return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Expected string in export" + ", given " + tokenToString(token));
+            }();
+          }
+
+          var exportName = token.value;
+          eatToken();
+          state.registredExportedElements.push({
+            exportType: "Table",
+            name: exportName,
+            id: name
+          });
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        } else if (isKeyword(token, _tokenizer.keywords.anyfunc)) {
+          // It's the default value, we can ignore it
+          eatToken(); // anyfunc
+        } else if (token.type === _tokenizer.tokens.number) {
+          /**
+           * Table type
+           */
+          var min = parseInt(token.value);
+          eatToken();
+
+          if (token.type === _tokenizer.tokens.number) {
+            var max = parseInt(token.value);
+            eatToken();
+            limit = t.limit(min, max);
+          } else {
+            limit = t.limit(min);
+          }
+
+          eatToken();
+        } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      if (elemIndices.length > 0) {
+        return t.table(elemType, limit, name, elemIndices);
+      } else {
+        return t.table(elemType, limit, name);
+      }
+    }
+    /**
+     * Parses an import statement
+     *
+     * WAST:
+     *
+     * import:  ( import <string> <string> <imkind> )
+     * imkind:  ( func <name>? <func_sig> )
+     *          ( global <name>? <global_sig> )
+     *          ( table <name>? <table_sig> )
+     *          ( memory <name>? <memory_sig> )
+     *
+     * global_sig: <type> | ( mut <type> )
+     */
+
+
+    function parseImport() {
+      if (token.type !== _tokenizer.tokens.string) {
+        throw new Error("Expected a string, " + token.type + " given.");
+      }
+
+      var moduleName = token.value;
+      eatToken();
+
+      if (token.type !== _tokenizer.tokens.string) {
+        throw new Error("Expected a string, " + token.type + " given.");
+      }
+
+      var name = token.value;
+      eatToken();
+      eatTokenOfType(_tokenizer.tokens.openParen);
+      var descr;
+
+      if (isKeyword(token, _tokenizer.keywords.func)) {
+        eatToken(); // keyword
+
+        var fnParams = [];
+        var fnResult = [];
+        var typeRef;
+        var fnName = t.identifier(getUniqueName("func"));
+
+        if (token.type === _tokenizer.tokens.identifier) {
+          fnName = identifierFromToken(token);
+          eatToken();
+        }
+
+        while (token.type === _tokenizer.tokens.openParen) {
+          eatToken();
+
+          if (lookaheadAndCheck(_tokenizer.keywords.type) === true) {
+            eatToken();
+            typeRef = parseTypeReference();
+          } else if (lookaheadAndCheck(_tokenizer.keywords.param) === true) {
+            eatToken();
+            fnParams.push.apply(fnParams, _toConsumableArray(parseFuncParam()));
+          } else if (lookaheadAndCheck(_tokenizer.keywords.result) === true) {
+            eatToken();
+            fnResult.push.apply(fnResult, _toConsumableArray(parseFuncResult()));
+          } else {
+            throw function () {
+              return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in import of type" + ", given " + tokenToString(token));
+            }();
+          }
+
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        }
+
+        if (typeof fnName === "undefined") {
+          throw new Error("Imported function must have a name");
+        }
+
+        descr = t.funcImportDescr(fnName, typeRef !== undefined ? typeRef : t.signature(fnParams, fnResult));
+      } else if (isKeyword(token, _tokenizer.keywords.global)) {
+        eatToken(); // keyword
+
+        if (token.type === _tokenizer.tokens.openParen) {
+          eatToken(); // (
+
+          eatTokenOfType(_tokenizer.tokens.keyword); // mut keyword
+
+          var valtype = token.value;
+          eatToken();
+          descr = t.globalType(valtype, "var");
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        } else {
+          var _valtype = token.value;
+          eatTokenOfType(_tokenizer.tokens.valtype);
+          descr = t.globalType(_valtype, "const");
+        }
+      } else if (isKeyword(token, _tokenizer.keywords.memory) === true) {
+        eatToken(); // Keyword
+
+        descr = parseMemory();
+      } else if (isKeyword(token, _tokenizer.keywords.table) === true) {
+        eatToken(); // Keyword
+
+        descr = parseTable();
+      } else {
+        throw new Error("Unsupported import type: " + tokenToString(token));
+      }
+
+      eatTokenOfType(_tokenizer.tokens.closeParen);
+      return t.moduleImport(moduleName, name, descr);
+    }
+    /**
+     * Parses a block instruction
+     *
+     * WAST:
+     *
+     * expr: ( block <name>? <block_sig> <instr>* )
+     * instr: block <name>? <block_sig> <instr>* end <name>?
+     * block_sig : ( result <type>* )*
+     *
+     */
+
+
+    function parseBlock() {
+      var label = t.identifier(getUniqueName("block"));
+      var blockResult = null;
+      var instr = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === _tokenizer.tokens.openParen) {
+        eatToken();
+
+        if (lookaheadAndCheck(_tokenizer.keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatToken();
+        } else if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            instr.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in block body of type" + ", given " + tokenToString(token));
+          }();
+        }
+
+        maybeIgnoreComment();
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.blockInstruction(label, instr, blockResult);
+    }
+    /**
+     * Parses a if instruction
+     *
+     * WAST:
+     *
+     * expr:
+     * ( if <name>? <block_sig> ( then <instr>* ) ( else <instr>* )? )
+     * ( if <name>? <block_sig> <expr>+ ( then <instr>* ) ( else <instr>* )? )
+     *
+     * instr:
+     * if <name>? <block_sig> <instr>* end <name>?
+     * if <name>? <block_sig> <instr>* else <name>? <instr>* end <name>?
+     *
+     * block_sig : ( result <type>* )*
+     *
+     */
+
+
+    function parseIf() {
+      var blockResult = null;
+      var label = t.identifier(getUniqueName("if"));
+      var testInstrs = [];
+      var consequent = [];
+      var alternate = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === _tokenizer.tokens.openParen) {
+        eatToken(); // (
+
+        /**
+         * Block signature
+         */
+
+        if (isKeyword(token, _tokenizer.keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatTokenOfType(_tokenizer.tokens.valtype);
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+          continue;
+        }
+        /**
+         * Then
+         */
+
+
+        if (isKeyword(token, _tokenizer.keywords.then) === true) {
+          eatToken(); // then
+
+          while (token.type === _tokenizer.tokens.openParen) {
+            eatToken(); // Instruction
+
+            if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+            ) {
+                consequent.push(parseFuncInstr());
+              } else {
+              throw function () {
+                return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in consequent body of type" + ", given " + tokenToString(token));
+              }();
+            }
+
+            eatTokenOfType(_tokenizer.tokens.closeParen);
+          }
+
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+          continue;
+        }
+        /**
+         * Alternate
+         */
+
+
+        if (isKeyword(token, _tokenizer.keywords.else)) {
+          eatToken(); // else
+
+          while (token.type === _tokenizer.tokens.openParen) {
+            eatToken(); // Instruction
+
+            if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+            ) {
+                alternate.push(parseFuncInstr());
+              } else {
+              throw function () {
+                return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in alternate body of type" + ", given " + tokenToString(token));
+              }();
+            }
+
+            eatTokenOfType(_tokenizer.tokens.closeParen);
+          }
+
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+          continue;
+        }
+        /**
+         * Test instruction
+         */
+
+
+        if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            testInstrs.push(parseFuncInstr());
+            eatTokenOfType(_tokenizer.tokens.closeParen);
+            continue;
+          }
+
+        throw function () {
+          return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in if body" + ", given " + tokenToString(token));
+        }();
+      }
+
+      return t.ifInstruction(label, testInstrs, blockResult, consequent, alternate);
+    }
+    /**
+     * Parses a loop instruction
+     *
+     * WAT:
+     *
+     * blockinstr :: 'loop' I:label rt:resulttype (in:instr*) 'end' id?
+     *
+     * WAST:
+     *
+     * instr     :: loop <name>? <block_sig> <instr>* end <name>?
+     * expr      :: ( loop <name>? <block_sig> <instr>* )
+     * block_sig :: ( result <type>* )*
+     *
+     */
+
+
+    function parseLoop() {
+      var label = t.identifier(getUniqueName("loop"));
+      var blockResult;
+      var instr = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        label = identifierFromToken(token);
+        eatToken();
+      } else {
+        label = t.withRaw(label, ""); // preserve anonymous
+      }
+
+      while (token.type === _tokenizer.tokens.openParen) {
+        eatToken();
+
+        if (lookaheadAndCheck(_tokenizer.keywords.result) === true) {
+          eatToken();
+          blockResult = token.value;
+          eatToken();
+        } else if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            instr.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in loop body" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.loopInstruction(label, blockResult, instr);
+    }
+
+    function parseCallIndirect() {
+      var typeRef;
+      var params = [];
+      var results = [];
+      var instrs = [];
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.type)) {
+          eatToken(); // (
+
+          eatToken(); // type
+
+          typeRef = parseTypeReference();
+        } else if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.param)) {
+          eatToken(); // (
+
+          eatToken(); // param
+
+          /**
+           * Params can be empty:
+           * (params)`
+           */
+
+          if (token.type !== _tokenizer.tokens.closeParen) {
+            params.push.apply(params, _toConsumableArray(parseFuncParam()));
+          }
+        } else if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.result)) {
+          eatToken(); // (
+
+          eatToken(); // result
+
+          /**
+           * Results can be empty:
+           * (result)`
+           */
+
+          if (token.type !== _tokenizer.tokens.closeParen) {
+            results.push.apply(results, _toConsumableArray(parseFuncResult()));
+          }
+        } else {
+          eatTokenOfType(_tokenizer.tokens.openParen);
+          instrs.push(parseFuncInstr());
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.callIndirectInstruction(typeRef !== undefined ? typeRef : t.signature(params, results), instrs);
+    }
+    /**
+     * Parses an export instruction
+     *
+     * WAT:
+     *
+     * export:  ( export <string> <exkind> )
+     * exkind:  ( func <var> )
+     *          ( global <var> )
+     *          ( table <var> )
+     *          ( memory <var> )
+     * var:    <nat> | <name>
+     *
+     */
+
+
+    function parseExport() {
+      if (token.type !== _tokenizer.tokens.string) {
+        throw new Error("Expected string after export, got: " + token.type);
+      }
+
+      var name = token.value;
+      eatToken();
+      var moduleExportDescr = parseModuleExportDescr();
+      return t.moduleExport(name, moduleExportDescr);
+    }
+
+    function parseModuleExportDescr() {
+      var startLoc = getStartLoc();
+      var type = "";
+      var index;
+      eatTokenOfType(_tokenizer.tokens.openParen);
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        if (isKeyword(token, _tokenizer.keywords.func)) {
+          type = "Func";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, _tokenizer.keywords.table)) {
+          type = "Table";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, _tokenizer.keywords.global)) {
+          type = "Global";
+          eatToken();
+          index = parseExportIndex(token);
+        } else if (isKeyword(token, _tokenizer.keywords.memory)) {
+          type = "Memory";
+          eatToken();
+          index = parseExportIndex(token);
+        }
+
+        eatToken();
+      }
+
+      if (type === "") {
+        throw new Error("Unknown export type");
+      }
+
+      if (index === undefined) {
+        throw new Error("Exported function must have a name");
+      }
+
+      var node = t.moduleExportDescr(type, index);
+      var endLoc = getEndLoc();
+      eatTokenOfType(_tokenizer.tokens.closeParen);
+      return t.withLoc(node, endLoc, startLoc);
+    }
+
+    function parseModule() {
+      var name = null;
+      var isBinary = false;
+      var isQuote = false;
+      var moduleFields = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        name = token.value;
+        eatToken();
+      }
+
+      if (hasPlugin("wast") && token.type === _tokenizer.tokens.name && token.value === "binary") {
+        eatToken();
+        isBinary = true;
+      }
+
+      if (hasPlugin("wast") && token.type === _tokenizer.tokens.name && token.value === "quote") {
+        eatToken();
+        isQuote = true;
+      }
+
+      if (isBinary === true) {
+        var blob = [];
+
+        while (token.type === _tokenizer.tokens.string) {
+          blob.push(token.value);
+          eatToken();
+          maybeIgnoreComment();
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.binaryModule(name, blob);
+      }
+
+      if (isQuote === true) {
+        var string = [];
+
+        while (token.type === _tokenizer.tokens.string) {
+          string.push(token.value);
+          eatToken();
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.quoteModule(name, string);
+      }
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        moduleFields.push(walk());
+
+        if (state.registredExportedElements.length > 0) {
+          state.registredExportedElements.forEach(function (decl) {
+            moduleFields.push(t.moduleExport(decl.name, t.moduleExportDescr(decl.exportType, decl.id)));
+          });
+          state.registredExportedElements = [];
+        }
+
+        token = tokensList[current];
+      }
+
+      eatTokenOfType(_tokenizer.tokens.closeParen);
+      return t.module(name, moduleFields);
+    }
+    /**
+     * Parses the arguments of an instruction
+     */
+
+
+    function parseFuncInstrArguments(signature) {
+      var args = [];
+      var namedArgs = {};
+      var signaturePtr = 0;
+
+      while (token.type === _tokenizer.tokens.name || isKeyword(token, _tokenizer.keywords.offset)) {
+        var key = token.value;
+        eatToken();
+        eatTokenOfType(_tokenizer.tokens.equal);
+        var value = void 0;
+
+        if (token.type === _tokenizer.tokens.number) {
+          value = t.numberLiteralFromRaw(token.value);
+        } else {
+          throw new Error("Unexpected type for argument: " + token.type);
+        }
+
+        namedArgs[key] = value;
+        eatToken();
+      } // $FlowIgnore
+
+
+      var signatureLength = signature.vector ? Infinity : signature.length;
+
+      while (token.type !== _tokenizer.tokens.closeParen && ( // $FlowIgnore
+      token.type === _tokenizer.tokens.openParen || signaturePtr < signatureLength)) {
+        if (token.type === _tokenizer.tokens.identifier) {
+          args.push(t.identifier(token.value));
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.valtype) {
+          // Handle locals
+          args.push(t.valtypeLiteral(token.value));
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.string) {
+          args.push(t.stringLiteral(token.value));
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.number) {
+          args.push( // TODO(sven): refactor the type signature handling
+          // https://github.com/xtuc/webassemblyjs/pull/129 is a good start
+          t.numberLiteralFromRaw(token.value, // $FlowIgnore
+          signature[signaturePtr] || "f64")); // $FlowIgnore
+
+          if (!signature.vector) {
+            ++signaturePtr;
+          }
+
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.openParen) {
+          /**
+           * Maybe some nested instructions
+           */
+          eatToken(); // Instruction
+
+          if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+          ) {
+              // $FlowIgnore
+              args.push(parseFuncInstr());
+            } else {
+            throw function () {
+              return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in nested instruction" + ", given " + tokenToString(token));
+            }();
+          }
+
+          if (token.type === _tokenizer.tokens.closeParen) {
+            eatToken();
+          }
+        } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in instruction argument" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      return {
+        args: args,
+        namedArgs: namedArgs
+      };
+    }
+    /**
+     * Parses an instruction
+     *
+     * WAT:
+     *
+     * instr      :: plaininst
+     *               blockinstr
+     *
+     * blockinstr :: 'block' I:label rt:resulttype (in:instr*) 'end' id?
+     *               'loop' I:label rt:resulttype (in:instr*) 'end' id?
+     *               'if' I:label rt:resulttype (in:instr*) 'else' id? (in2:intr*) 'end' id?
+     *
+     * plaininst  :: 'unreachable'
+     *               'nop'
+     *               'br' l:labelidx
+     *               'br_if' l:labelidx
+     *               'br_table' l*:vec(labelidx) ln:labelidx
+     *               'return'
+     *               'call' x:funcidx
+     *               'call_indirect' x, I:typeuse
+     *
+     * WAST:
+     *
+     * instr:
+     *   <expr>
+     *   <op>
+     *   block <name>? <block_sig> <instr>* end <name>?
+     *   loop <name>? <block_sig> <instr>* end <name>?
+     *   if <name>? <block_sig> <instr>* end <name>?
+     *   if <name>? <block_sig> <instr>* else <name>? <instr>* end <name>?
+     *
+     * expr:
+     *   ( <op> )
+     *   ( <op> <expr>+ )
+     *   ( block <name>? <block_sig> <instr>* )
+     *   ( loop <name>? <block_sig> <instr>* )
+     *   ( if <name>? <block_sig> ( then <instr>* ) ( else <instr>* )? )
+     *   ( if <name>? <block_sig> <expr>+ ( then <instr>* ) ( else <instr>* )? )
+     *
+     * op:
+     *   unreachable
+     *   nop
+     *   br <var>
+     *   br_if <var>
+     *   br_table <var>+
+     *   return
+     *   call <var>
+     *   call_indirect <func_sig>
+     *   drop
+     *   select
+     *   get_local <var>
+     *   set_local <var>
+     *   tee_local <var>
+     *   get_global <var>
+     *   set_global <var>
+     *   <type>.load((8|16|32)_<sign>)? <offset>? <align>?
+     *   <type>.store(8|16|32)? <offset>? <align>?
+     *   current_memory
+     *   grow_memory
+     *   <type>.const <value>
+     *   <type>.<unop>
+     *   <type>.<binop>
+     *   <type>.<testop>
+     *   <type>.<relop>
+     *   <type>.<cvtop>/<type>
+     *
+     * func_type:   ( type <var> )? <param>* <result>*
+     */
+
+
+    function parseFuncInstr() {
+      var startLoc = getStartLoc();
+      maybeIgnoreComment();
+      /**
+       * A simple instruction
+       */
+
+      if (token.type === _tokenizer.tokens.name || token.type === _tokenizer.tokens.valtype) {
+        var _name2 = token.value;
+        var object;
+        eatToken();
+
+        if (token.type === _tokenizer.tokens.dot) {
+          object = _name2;
+          eatToken();
+
+          if (token.type !== _tokenizer.tokens.name) {
+            throw new TypeError("Unknown token: " + token.type + ", name expected");
+          }
+
+          _name2 = token.value;
+          eatToken();
+        }
+
+        if (token.type === _tokenizer.tokens.closeParen) {
+          var _endLoc = token.loc.end;
+
+          if (typeof object === "undefined") {
+            return t.withLoc(t.instruction(_name2), _endLoc, startLoc);
+          } else {
+            return t.withLoc(t.objectInstruction(_name2, object, []), _endLoc, startLoc);
+          }
+        }
+
+        var signature = t.signatureForOpcode(object || "", _name2);
+
+        var _parseFuncInstrArgume = parseFuncInstrArguments(signature),
+            _args = _parseFuncInstrArgume.args,
+            _namedArgs = _parseFuncInstrArgume.namedArgs;
+
+        var endLoc = token.loc.end;
+
+        if (typeof object === "undefined") {
+          return t.withLoc(t.instruction(_name2, _args, _namedArgs), endLoc, startLoc);
+        } else {
+          return t.withLoc(t.objectInstruction(_name2, object, _args, _namedArgs), endLoc, startLoc);
+        }
+      } else if (isKeyword(token, _tokenizer.keywords.loop)) {
+        /**
+         * Else a instruction with a keyword (loop or block)
+         */
+        eatToken(); // keyword
+
+        return parseLoop();
+      } else if (isKeyword(token, _tokenizer.keywords.block)) {
+        eatToken(); // keyword
+
+        return parseBlock();
+      } else if (isKeyword(token, _tokenizer.keywords.call_indirect)) {
+        eatToken(); // keyword
+
+        return parseCallIndirect();
+      } else if (isKeyword(token, _tokenizer.keywords.call)) {
+        eatToken(); // keyword
+
+        var index;
+
+        if (token.type === _tokenizer.tokens.identifier) {
+          index = identifierFromToken(token);
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.number) {
+          index = t.indexLiteral(token.value);
+          eatToken();
+        }
+
+        var instrArgs = []; // Nested instruction
+
+        while (token.type === _tokenizer.tokens.openParen) {
+          eatToken();
+          instrArgs.push(parseFuncInstr());
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        }
+
+        if (typeof index === "undefined") {
+          throw new Error("Missing argument in call instruciton");
+        }
+
+        if (instrArgs.length > 0) {
+          return t.callInstruction(index, instrArgs);
+        } else {
+          return t.callInstruction(index);
+        }
+      } else if (isKeyword(token, _tokenizer.keywords.if)) {
+        eatToken(); // Keyword
+
+        return parseIf();
+      } else if (isKeyword(token, _tokenizer.keywords.module) && hasPlugin("wast")) {
+        eatToken(); // In WAST you can have a module as an instruction's argument
+        // we will cast it into a instruction to not break the flow
+        // $FlowIgnore
+
+        var module = parseModule();
+        return module;
+      } else {
+        throw function () {
+          return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected instruction in function body" + ", given " + tokenToString(token));
+        }();
+      }
+    }
+    /*
+     * Parses a function
+     *
+     * WAT:
+     *
+     * functype :: ( 'func' t1:vec(param) t2:vec(result) )
+     * param    :: ( 'param' id? t:valtype )
+     * result   :: ( 'result' t:valtype )
+     *
+     * WAST:
+     *
+     * func     :: ( func <name>? <func_sig> <local>* <instr>* )
+     *             ( func <name>? ( export <string> ) <...> )
+     *             ( func <name>? ( import <string> <string> ) <func_sig> )
+     * func_sig :: ( type <var> )? <param>* <result>*
+     * param    :: ( param <type>* ) | ( param <name> <type> )
+     * result   :: ( result <type>* )
+     * local    :: ( local <type>* ) | ( local <name> <type> )
+     *
+     */
+
+
+    function parseFunc() {
+      var fnName = t.identifier(getUniqueName("func"));
+      var typeRef;
+      var fnBody = [];
+      var fnParams = [];
+      var fnResult = []; // name
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        fnName = identifierFromToken(token);
+        eatToken();
+      } else {
+        fnName = t.withRaw(fnName, ""); // preserve anonymous
+      }
+
+      maybeIgnoreComment();
+
+      while (token.type === _tokenizer.tokens.openParen || token.type === _tokenizer.tokens.name || token.type === _tokenizer.tokens.valtype) {
+        // Instructions without parens
+        if (token.type === _tokenizer.tokens.name || token.type === _tokenizer.tokens.valtype) {
+          fnBody.push(parseFuncInstr());
+          continue;
+        }
+
+        eatToken();
+
+        if (lookaheadAndCheck(_tokenizer.keywords.param) === true) {
+          eatToken();
+          fnParams.push.apply(fnParams, _toConsumableArray(parseFuncParam()));
+        } else if (lookaheadAndCheck(_tokenizer.keywords.result) === true) {
+          eatToken();
+          fnResult.push.apply(fnResult, _toConsumableArray(parseFuncResult()));
+        } else if (lookaheadAndCheck(_tokenizer.keywords.export) === true) {
+          eatToken();
+          parseFuncExport(fnName);
+        } else if (lookaheadAndCheck(_tokenizer.keywords.type) === true) {
+          eatToken();
+          typeRef = parseTypeReference();
+        } else if (lookaheadAndCheck(_tokenizer.tokens.name) === true || lookaheadAndCheck(_tokenizer.tokens.valtype) === true || token.type === "keyword" // is any keyword
+        ) {
+            // Instruction
+            fnBody.push(parseFuncInstr());
+          } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in func body" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.func(fnName, typeRef !== undefined ? typeRef : t.signature(fnParams, fnResult), fnBody);
+    }
+    /**
+     * Parses shorthand export in func
+     *
+     * export :: ( export <string> )
+     */
+
+
+    function parseFuncExport(funcId) {
+      if (token.type !== _tokenizer.tokens.string) {
+        throw function () {
+          return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Function export expected a string" + ", given " + tokenToString(token));
+        }();
+      }
+
+      var name = token.value;
+      eatToken();
+      /**
+       * Func export shorthand, we trait it as a syntaxic sugar.
+       * A export ModuleField will be added later.
+       *
+       * We give the anonymous function a generated name and export it.
+       */
+
+      var id = t.identifier(funcId.value);
+      state.registredExportedElements.push({
+        exportType: "Func",
+        name: name,
+        id: id
+      });
+    }
+    /**
+     * Parses a type instruction
+     *
+     * WAST:
+     *
+     * typedef: ( type <name>? ( func <param>* <result>* ) )
+     */
+
+
+    function parseType() {
+      var id;
+      var params = [];
+      var result = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        id = identifierFromToken(token);
+        eatToken();
+      }
+
+      if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.func)) {
+        eatToken(); // (
+
+        eatToken(); // func
+
+        if (token.type === _tokenizer.tokens.closeParen) {
+          eatToken(); // function with an empty signature, we can abort here
+
+          return t.typeInstruction(id, t.signature([], []));
+        }
+
+        if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.param)) {
+          eatToken(); // (
+
+          eatToken(); // param
+
+          params = parseFuncParam();
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        }
+
+        if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.result)) {
+          eatToken(); // (
+
+          eatToken(); // result
+
+          result = parseFuncResult();
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        }
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.typeInstruction(id, t.signature(params, result));
+    }
+    /**
+     * Parses a function result
+     *
+     * WAST:
+     *
+     * result :: ( result <type>* )
+     */
+
+
+    function parseFuncResult() {
+      var results = [];
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        if (token.type !== _tokenizer.tokens.valtype) {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unexpected token in func result" + ", given " + tokenToString(token));
+          }();
+        }
+
+        var valtype = token.value;
+        eatToken();
+        results.push(valtype);
+      }
+
+      return results;
+    }
+    /**
+     * Parses a type reference
+     *
+     */
+
+
+    function parseTypeReference() {
+      var ref;
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        ref = identifierFromToken(token);
+        eatToken();
+      } else if (token.type === _tokenizer.tokens.number) {
+        ref = t.numberLiteralFromRaw(token.value);
+        eatToken();
+      }
+
+      return ref;
+    }
+    /**
+     * Parses a global instruction
+     *
+     * WAST:
+     *
+     * global:  ( global <name>? <global_sig> <instr>* )
+     *          ( global <name>? ( export <string> ) <...> )
+     *          ( global <name>? ( import <string> <string> ) <global_sig> )
+     *
+     * global_sig: <type> | ( mut <type> )
+     *
+     */
+
+
+    function parseGlobal() {
+      var name = t.identifier(getUniqueName("global"));
+      var type; // Keep informations in case of a shorthand import
+
+      var importing = null;
+      maybeIgnoreComment();
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        name = identifierFromToken(token);
+        eatToken();
+      } else {
+        name = t.withRaw(name, ""); // preserve anonymous
+      }
+      /**
+       * maybe export
+       */
+
+
+      if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.export)) {
+        eatToken(); // (
+
+        eatToken(); // export
+
+        var exportName = token.value;
+        eatTokenOfType(_tokenizer.tokens.string);
+        state.registredExportedElements.push({
+          exportType: "Global",
+          name: exportName,
+          id: name
+        });
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+      /**
+       * maybe import
+       */
+
+
+      if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.import)) {
+        eatToken(); // (
+
+        eatToken(); // import
+
+        var moduleName = token.value;
+        eatTokenOfType(_tokenizer.tokens.string);
+        var _name3 = token.value;
+        eatTokenOfType(_tokenizer.tokens.string);
+        importing = {
+          module: moduleName,
+          name: _name3,
+          descr: undefined
+        };
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+      /**
+       * global_sig
+       */
+
+
+      if (token.type === _tokenizer.tokens.valtype) {
+        type = t.globalType(token.value, "const");
+        eatToken();
+      } else if (token.type === _tokenizer.tokens.openParen) {
+        eatToken(); // (
+
+        if (isKeyword(token, _tokenizer.keywords.mut) === false) {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unsupported global type, expected mut" + ", given " + tokenToString(token));
+          }();
+        }
+
+        eatToken(); // mut
+
+        type = t.globalType(token.value, "var");
+        eatToken();
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      if (type === undefined) {
+        throw function () {
+          return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Could not determine global type" + ", given " + tokenToString(token));
+        }();
+      }
+
+      maybeIgnoreComment();
+      var init = [];
+
+      if (importing != null) {
+        importing.descr = type;
+        init.push(t.moduleImport(importing.module, importing.name, importing.descr));
+      }
+      /**
+       * instr*
+       */
+
+
+      while (token.type === _tokenizer.tokens.openParen) {
+        eatToken();
+        init.push(parseFuncInstr());
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+      }
+
+      return t.global(type, init, name);
+    }
+    /**
+     * Parses a function param
+     *
+     * WAST:
+     *
+     * param    :: ( param <type>* ) | ( param <name> <type> )
+     */
+
+
+    function parseFuncParam() {
+      var params = [];
+      var id;
+      var valtype;
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        id = token.value;
+        eatToken();
+      }
+
+      if (token.type === _tokenizer.tokens.valtype) {
+        valtype = token.value;
+        eatToken();
+        params.push({
+          id: id,
+          valtype: valtype
+        });
+        /**
+         * Shorthand notation for multiple anonymous parameters
+         * @see https://webassembly.github.io/spec/core/text/types.html#function-types
+         * @see https://github.com/xtuc/webassemblyjs/issues/6
+         */
+
+        if (id === undefined) {
+          while (token.type === _tokenizer.tokens.valtype) {
+            valtype = token.value;
+            eatToken();
+            params.push({
+              id: undefined,
+              valtype: valtype
+            });
+          }
+        }
+      } else {// ignore
+      }
+
+      return params;
+    }
+    /**
+     * Parses an element segments instruction
+     *
+     * WAST:
+     *
+     * elem:    ( elem <var>? (offset <instr>* ) <var>* )
+     *          ( elem <var>? <expr> <var>* )
+     *
+     * var:    <nat> | <name>
+     */
+
+
+    function parseElem() {
+      var tableIndex = t.indexLiteral(0);
+      var offset = [];
+      var funcs = [];
+
+      if (token.type === _tokenizer.tokens.identifier) {
+        tableIndex = identifierFromToken(token);
+        eatToken();
+      }
+
+      if (token.type === _tokenizer.tokens.number) {
+        tableIndex = t.indexLiteral(token.value);
+        eatToken();
+      }
+
+      while (token.type !== _tokenizer.tokens.closeParen) {
+        if (lookaheadAndCheck(_tokenizer.tokens.openParen, _tokenizer.keywords.offset)) {
+          eatToken(); // (
+
+          eatToken(); // offset
+
+          while (token.type !== _tokenizer.tokens.closeParen) {
+            eatTokenOfType(_tokenizer.tokens.openParen);
+            offset.push(parseFuncInstr());
+            eatTokenOfType(_tokenizer.tokens.closeParen);
+          }
+
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        } else if (token.type === _tokenizer.tokens.identifier) {
+          funcs.push(t.identifier(token.value));
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.number) {
+          funcs.push(t.indexLiteral(token.value));
+          eatToken();
+        } else if (token.type === _tokenizer.tokens.openParen) {
+          eatToken(); // (
+
+          offset.push(parseFuncInstr());
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        } else {
+          throw function () {
+            return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unsupported token in elem" + ", given " + tokenToString(token));
+          }();
+        }
+      }
+
+      return t.elem(tableIndex, offset, funcs);
+    }
+    /**
+     * Parses the start instruction in a module
+     *
+     * WAST:
+     *
+     * start:   ( start <var> )
+     * var:    <nat> | <name>
+     *
+     * WAT:
+     * start ::= ‘(’ ‘start’  x:funcidx ‘)’
+     */
+
+
+    function parseStart() {
+      if (token.type === _tokenizer.tokens.identifier) {
+        var index = identifierFromToken(token);
+        eatToken();
+        return t.start(index);
+      }
+
+      if (token.type === _tokenizer.tokens.number) {
+        var _index2 = t.indexLiteral(token.value);
+
+        eatToken();
+        return t.start(_index2);
+      }
+
+      throw new Error("Unknown start, token: " + tokenToString(token));
+    }
+
+    if (token.type === _tokenizer.tokens.openParen) {
+      eatToken();
+      var startLoc = getStartLoc();
+
+      if (isKeyword(token, _tokenizer.keywords.export)) {
+        eatToken();
+        var node = parseExport();
+
+        var _endLoc2 = getEndLoc();
+
+        return t.withLoc(node, _endLoc2, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.loop)) {
+        eatToken();
+
+        var _node = parseLoop();
+
+        var _endLoc3 = getEndLoc();
+
+        return t.withLoc(_node, _endLoc3, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.func)) {
+        eatToken();
+
+        var _node2 = parseFunc();
+
+        var _endLoc4 = getEndLoc();
+
+        maybeIgnoreComment();
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node2, _endLoc4, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.module)) {
+        eatToken();
+
+        var _node3 = parseModule();
+
+        var _endLoc5 = getEndLoc();
+
+        return t.withLoc(_node3, _endLoc5, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.import)) {
+        eatToken();
+
+        var _node4 = parseImport();
+
+        var _endLoc6 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node4, _endLoc6, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.block)) {
+        eatToken();
+
+        var _node5 = parseBlock();
+
+        var _endLoc7 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node5, _endLoc7, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.memory)) {
+        eatToken();
+
+        var _node6 = parseMemory();
+
+        var _endLoc8 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node6, _endLoc8, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.data)) {
+        eatToken();
+
+        var _node7 = parseData();
+
+        var _endLoc9 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node7, _endLoc9, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.table)) {
+        eatToken();
+
+        var _node8 = parseTable();
+
+        var _endLoc10 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node8, _endLoc10, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.global)) {
+        eatToken();
+
+        var _node9 = parseGlobal();
+
+        var _endLoc11 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node9, _endLoc11, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.type)) {
+        eatToken();
+
+        var _node10 = parseType();
+
+        var _endLoc12 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node10, _endLoc12, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.start)) {
+        eatToken();
+
+        var _node11 = parseStart();
+
+        var _endLoc13 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node11, _endLoc13, startLoc);
+      }
+
+      if (isKeyword(token, _tokenizer.keywords.elem)) {
+        eatToken();
+
+        var _node12 = parseElem();
+
+        var _endLoc14 = getEndLoc();
+
+        eatTokenOfType(_tokenizer.tokens.closeParen);
+        return t.withLoc(_node12, _endLoc14, startLoc);
+      }
+
+      var instruction = parseFuncInstr();
+      var endLoc = getEndLoc();
+      maybeIgnoreComment();
+
+      if (_typeof(instruction) === "object") {
+        if (typeof token !== "undefined") {
+          eatTokenOfType(_tokenizer.tokens.closeParen);
+        }
+
+        return t.withLoc(instruction, endLoc, startLoc);
+      }
+    }
+
+    if (token.type === _tokenizer.tokens.comment) {
+      var _startLoc = getStartLoc();
+
+      var builder = token.opts.type === "leading" ? t.leadingComment : t.blockComment;
+
+      var _node13 = builder(token.value);
+
+      eatToken(); // comment
+
+      var _endLoc15 = getEndLoc();
+
+      return t.withLoc(_node13, _endLoc15, _startLoc);
+    }
+
+    throw function () {
+      return new Error("\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, token.loc) + "\n" + "Unknown token" + ", given " + tokenToString(token));
+    }();
+  }
+
+  var body = [];
+
+  while (current < tokensList.length) {
+    body.push(walk());
+  }
+
+  return t.program(body);
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/lib/index.js b/node_modules/@webassemblyjs/wast-parser/lib/index.js
new file mode 100644
index 00000000..1567e05c
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/lib/index.js
@@ -0,0 +1,35 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+var _exportNames = {
+  parse: true
+};
+exports.parse = parse;
+
+var parser = _interopRequireWildcard(require("./grammar"));
+
+var _tokenizer = require("./tokenizer");
+
+var _numberLiterals = require("./number-literals");
+
+Object.keys(_numberLiterals).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
+  Object.defineProperty(exports, key, {
+    enumerable: true,
+    get: function get() {
+      return _numberLiterals[key];
+    }
+  });
+});
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function parse(source) {
+  var tokens = (0, _tokenizer.tokenize)(source); // We pass the source here to show code frames
+
+  var ast = parser.parse(tokens, source);
+  return ast;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/lib/number-literals.js b/node_modules/@webassemblyjs/wast-parser/lib/number-literals.js
new file mode 100644
index 00000000..fea08f92
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/lib/number-literals.js
@@ -0,0 +1,116 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.parse32F = parse32F;
+exports.parse64F = parse64F;
+exports.parse32I = parse32I;
+exports.parseU32 = parseU32;
+exports.parse64I = parse64I;
+exports.isInfLiteral = isInfLiteral;
+exports.isNanLiteral = isNanLiteral;
+
+var _long = _interopRequireDefault(require("@xtuc/long"));
+
+var _floatingPointHexParser = _interopRequireDefault(require("@webassemblyjs/floating-point-hex-parser"));
+
+var _helperApiError = require("@webassemblyjs/helper-api-error");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function parse32F(sourceString) {
+  if (isHexLiteral(sourceString)) {
+    return (0, _floatingPointHexParser.default)(sourceString);
+  }
+
+  if (isInfLiteral(sourceString)) {
+    return sourceString[0] === "-" ? -1 : 1;
+  }
+
+  if (isNanLiteral(sourceString)) {
+    return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x400000);
+  }
+
+  return parseFloat(sourceString);
+}
+
+function parse64F(sourceString) {
+  if (isHexLiteral(sourceString)) {
+    return (0, _floatingPointHexParser.default)(sourceString);
+  }
+
+  if (isInfLiteral(sourceString)) {
+    return sourceString[0] === "-" ? -1 : 1;
+  }
+
+  if (isNanLiteral(sourceString)) {
+    return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x8000000000000);
+  }
+
+  if (isHexLiteral(sourceString)) {
+    return (0, _floatingPointHexParser.default)(sourceString);
+  }
+
+  return parseFloat(sourceString);
+}
+
+function parse32I(sourceString) {
+  var value = 0;
+
+  if (isHexLiteral(sourceString)) {
+    value = ~~parseInt(sourceString, 16);
+  } else if (isDecimalExponentLiteral(sourceString)) {
+    throw new Error("This number literal format is yet to be implemented.");
+  } else {
+    value = parseInt(sourceString, 10);
+  }
+
+  return value;
+}
+
+function parseU32(sourceString) {
+  var value = parse32I(sourceString);
+
+  if (value < 0) {
+    throw new _helperApiError.CompileError("Illegal value for u32: " + sourceString);
+  }
+
+  return value;
+}
+
+function parse64I(sourceString) {
+  var long;
+
+  if (isHexLiteral(sourceString)) {
+    long = _long.default.fromString(sourceString, false, 16);
+  } else if (isDecimalExponentLiteral(sourceString)) {
+    throw new Error("This number literal format is yet to be implemented.");
+  } else {
+    long = _long.default.fromString(sourceString);
+  }
+
+  return {
+    high: long.high,
+    low: long.low
+  };
+}
+
+var NAN_WORD = /^\+?-?nan/;
+var INF_WORD = /^\+?-?inf/;
+
+function isInfLiteral(sourceString) {
+  return INF_WORD.test(sourceString.toLowerCase());
+}
+
+function isNanLiteral(sourceString) {
+  return NAN_WORD.test(sourceString.toLowerCase());
+}
+
+function isDecimalExponentLiteral(sourceString) {
+  return !isHexLiteral(sourceString) && sourceString.toUpperCase().includes("E");
+}
+
+function isHexLiteral(sourceString) {
+  return sourceString.substring(0, 2).toUpperCase() === "0X" || sourceString.substring(0, 3).toUpperCase() === "-0X";
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/lib/string-literals.js b/node_modules/@webassemblyjs/wast-parser/lib/string-literals.js
new file mode 100644
index 00000000..db1ff759
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/lib/string-literals.js
@@ -0,0 +1,94 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.parseString = parseString;
+// string literal characters cannot contain control codes
+var CONTROL_CODES = [0, // null
+7, // bell
+8, // backspace
+9, // horizontal
+10, // line feed
+11, // vertical tab
+12, // form feed
+13, // carriage return
+26, // Control-Z
+27, // escape
+127 // delete
+]; // escaped sequences can either be a two character hex value, or one of the
+// following single character codes
+
+function decodeControlCharacter(char) {
+  switch (char) {
+    case "t":
+      return 0x09;
+
+    case "n":
+      return 0x0a;
+
+    case "r":
+      return 0x0d;
+
+    case '"':
+      return 0x22;
+
+    case "′":
+      return 0x27;
+
+    case "\\":
+      return 0x5c;
+  }
+
+  return -1;
+}
+
+var ESCAPE_CHAR = 92; // backslash
+
+var QUOTE_CHAR = 34; // backslash
+// parse string as per the spec:
+// https://webassembly.github.io/spec/core/multipage/text/values.html#text-string
+
+function parseString(value) {
+  var byteArray = [];
+  var index = 0;
+
+  while (index < value.length) {
+    var charCode = value.charCodeAt(index);
+
+    if (CONTROL_CODES.indexOf(charCode) !== -1) {
+      throw new Error("ASCII control characters are not permitted within string literals");
+    }
+
+    if (charCode === QUOTE_CHAR) {
+      throw new Error("quotes are not permitted within string literals");
+    }
+
+    if (charCode === ESCAPE_CHAR) {
+      var firstChar = value.substr(index + 1, 1);
+      var decodedControlChar = decodeControlCharacter(firstChar);
+
+      if (decodedControlChar !== -1) {
+        // single character escaped values, e.g. \r
+        byteArray.push(decodedControlChar);
+        index += 2;
+      } else {
+        // hex escaped values, e.g. \2a
+        var hexValue = value.substr(index + 1, 2);
+
+        if (!/^[0-9A-F]{2}$/i.test(hexValue)) {
+          throw new Error("invalid character encoding");
+        }
+
+        byteArray.push(parseInt(hexValue, 16));
+        index += 3;
+      }
+    } else {
+      // ASCII encoded values
+      byteArray.push(charCode);
+      index++;
+    }
+  }
+
+  return byteArray;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/lib/tokenizer.js b/node_modules/@webassemblyjs/wast-parser/lib/tokenizer.js
new file mode 100644
index 00000000..bb6f78ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/lib/tokenizer.js
@@ -0,0 +1,447 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.tokenize = tokenize;
+exports.tokens = exports.keywords = void 0;
+
+var _helperFsm = require("@webassemblyjs/helper-fsm");
+
+var _helperCodeFrame = require("@webassemblyjs/helper-code-frame");
+
+// eslint-disable-next-line
+function getCodeFrame(source, line, column) {
+  var loc = {
+    start: {
+      line: line,
+      column: column
+    }
+  };
+  return "\n" + (0, _helperCodeFrame.codeFrameFromSource)(source, loc) + "\n";
+}
+
+var WHITESPACE = /\s/;
+var PARENS = /\(|\)/;
+var LETTERS = /[a-z0-9_/]/i;
+var idchar = /[a-z0-9!#$%&*+./:<=>?@\\[\]^_`|~-]/i;
+var valtypes = ["i32", "i64", "f32", "f64"];
+var NUMBERS = /[0-9|.|_]/;
+var NUMBER_KEYWORDS = /nan|inf/;
+
+function isNewLine(char) {
+  return char.charCodeAt(0) === 10 || char.charCodeAt(0) === 13;
+}
+
+function Token(type, value, start, end) {
+  var opts = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+  var token = {
+    type: type,
+    value: value,
+    loc: {
+      start: start,
+      end: end
+    }
+  };
+
+  if (Object.keys(opts).length > 0) {
+    // $FlowIgnore
+    token["opts"] = opts;
+  }
+
+  return token;
+}
+
+var tokenTypes = {
+  openParen: "openParen",
+  closeParen: "closeParen",
+  number: "number",
+  string: "string",
+  name: "name",
+  identifier: "identifier",
+  valtype: "valtype",
+  dot: "dot",
+  comment: "comment",
+  equal: "equal",
+  keyword: "keyword"
+};
+var keywords = {
+  module: "module",
+  func: "func",
+  param: "param",
+  result: "result",
+  export: "export",
+  loop: "loop",
+  block: "block",
+  if: "if",
+  then: "then",
+  else: "else",
+  call: "call",
+  call_indirect: "call_indirect",
+  import: "import",
+  memory: "memory",
+  table: "table",
+  global: "global",
+  anyfunc: "anyfunc",
+  mut: "mut",
+  data: "data",
+  type: "type",
+  elem: "elem",
+  start: "start",
+  offset: "offset"
+};
+exports.keywords = keywords;
+var NUMERIC_SEPARATOR = "_";
+/**
+ * Build the FSM for number literals
+ */
+
+var numberLiteralFSM = new _helperFsm.FSM({
+  START: [(0, _helperFsm.makeTransition)(/-|\+/, "AFTER_SIGN"), (0, _helperFsm.makeTransition)(/nan:0x/, "NAN_HEX", {
+    n: 6
+  }), (0, _helperFsm.makeTransition)(/nan|inf/, "STOP", {
+    n: 3
+  }), (0, _helperFsm.makeTransition)(/0x/, "HEX", {
+    n: 2
+  }), (0, _helperFsm.makeTransition)(/[0-9]/, "DEC"), (0, _helperFsm.makeTransition)(/\./, "DEC_FRAC")],
+  AFTER_SIGN: [(0, _helperFsm.makeTransition)(/nan:0x/, "NAN_HEX", {
+    n: 6
+  }), (0, _helperFsm.makeTransition)(/nan|inf/, "STOP", {
+    n: 3
+  }), (0, _helperFsm.makeTransition)(/0x/, "HEX", {
+    n: 2
+  }), (0, _helperFsm.makeTransition)(/[0-9]/, "DEC"), (0, _helperFsm.makeTransition)(/\./, "DEC_FRAC")],
+  DEC_FRAC: [(0, _helperFsm.makeTransition)(/[0-9]/, "DEC_FRAC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), (0, _helperFsm.makeTransition)(/e|E/, "DEC_SIGNED_EXP")],
+  DEC: [(0, _helperFsm.makeTransition)(/[0-9]/, "DEC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), (0, _helperFsm.makeTransition)(/\./, "DEC_FRAC"), (0, _helperFsm.makeTransition)(/e|E/, "DEC_SIGNED_EXP")],
+  DEC_SIGNED_EXP: [(0, _helperFsm.makeTransition)(/\+|-/, "DEC_EXP"), (0, _helperFsm.makeTransition)(/[0-9]/, "DEC_EXP")],
+  DEC_EXP: [(0, _helperFsm.makeTransition)(/[0-9]/, "DEC_EXP", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  HEX: [(0, _helperFsm.makeTransition)(/[0-9|A-F|a-f]/, "HEX", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), (0, _helperFsm.makeTransition)(/\./, "HEX_FRAC"), (0, _helperFsm.makeTransition)(/p|P/, "HEX_SIGNED_EXP")],
+  HEX_FRAC: [(0, _helperFsm.makeTransition)(/[0-9|A-F|a-f]/, "HEX_FRAC", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  }), (0, _helperFsm.makeTransition)(/p|P|/, "HEX_SIGNED_EXP")],
+  HEX_SIGNED_EXP: [(0, _helperFsm.makeTransition)(/[0-9|+|-]/, "HEX_EXP")],
+  HEX_EXP: [(0, _helperFsm.makeTransition)(/[0-9]/, "HEX_EXP", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  NAN_HEX: [(0, _helperFsm.makeTransition)(/[0-9|A-F|a-f]/, "NAN_HEX", {
+    allowedSeparator: NUMERIC_SEPARATOR
+  })],
+  STOP: []
+}, "START", "STOP");
+
+function tokenize(input) {
+  var current = 0;
+  var char = input[current]; // Used by SourceLocation
+
+  var column = 1;
+  var line = 1;
+  var tokens = [];
+  /**
+   * Creates a pushToken function for a given type
+   */
+
+  function pushToken(type) {
+    return function (v) {
+      var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+      var startColumn = opts.startColumn || column - String(v).length;
+      delete opts.startColumn;
+      var endColumn = opts.endColumn || startColumn + String(v).length - 1;
+      delete opts.endColumn;
+      var start = {
+        line: line,
+        column: startColumn
+      };
+      var end = {
+        line: line,
+        column: endColumn
+      };
+      tokens.push(Token(type, v, start, end, opts));
+    };
+  }
+  /**
+   * Functions to save newly encountered tokens
+   */
+
+
+  var pushCloseParenToken = pushToken(tokenTypes.closeParen);
+  var pushOpenParenToken = pushToken(tokenTypes.openParen);
+  var pushNumberToken = pushToken(tokenTypes.number);
+  var pushValtypeToken = pushToken(tokenTypes.valtype);
+  var pushNameToken = pushToken(tokenTypes.name);
+  var pushIdentifierToken = pushToken(tokenTypes.identifier);
+  var pushKeywordToken = pushToken(tokenTypes.keyword);
+  var pushDotToken = pushToken(tokenTypes.dot);
+  var pushStringToken = pushToken(tokenTypes.string);
+  var pushCommentToken = pushToken(tokenTypes.comment);
+  var pushEqualToken = pushToken(tokenTypes.equal);
+  /**
+   * Can be used to look at the next character(s).
+   *
+   * The default behavior `lookahead()` simply returns the next character without consuming it.
+   * Letters are always returned in lowercase.
+   *
+   * @param {number} length How many characters to query. Default = 1
+   * @param {number} offset How many characters to skip forward from current one. Default = 1
+   *
+   */
+
+  function lookahead() {
+    var length = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
+    var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+    return input.substring(current + offset, current + offset + length).toLowerCase();
+  }
+  /**
+   * Advances the cursor in the input by a certain amount
+   *
+   * @param {number} amount How many characters to consume. Default = 1
+   */
+
+
+  function eatCharacter() {
+    var amount = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
+    column += amount;
+    current += amount;
+    char = input[current];
+  }
+
+  while (current < input.length) {
+    // ;;
+    if (char === ";" && lookahead() === ";") {
+      var startColumn = column;
+      eatCharacter(2);
+      var text = "";
+
+      while (!isNewLine(char)) {
+        text += char;
+        eatCharacter();
+
+        if (char === undefined) {
+          break;
+        }
+      }
+
+      var endColumn = column;
+      pushCommentToken(text, {
+        type: "leading",
+        startColumn: startColumn,
+        endColumn: endColumn
+      });
+      continue;
+    } // (;
+
+
+    if (char === "(" && lookahead() === ";") {
+      var _startColumn = column;
+      eatCharacter(2);
+      var _text = ""; // ;)
+
+      while (true) {
+        char = input[current];
+
+        if (char === ";" && lookahead() === ")") {
+          eatCharacter(2);
+          break;
+        }
+
+        _text += char;
+        eatCharacter();
+
+        if (isNewLine(char)) {
+          line++;
+          column = 0;
+        }
+      }
+
+      var _endColumn = column;
+      pushCommentToken(_text, {
+        type: "block",
+        startColumn: _startColumn,
+        endColumn: _endColumn
+      });
+      continue;
+    }
+
+    if (char === "(") {
+      pushOpenParenToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (char === "=") {
+      pushEqualToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (char === ")") {
+      pushCloseParenToken(char);
+      eatCharacter();
+      continue;
+    }
+
+    if (isNewLine(char)) {
+      line++;
+      eatCharacter();
+      column = 0;
+      continue;
+    }
+
+    if (WHITESPACE.test(char)) {
+      eatCharacter();
+      continue;
+    }
+
+    if (char === "$") {
+      var _startColumn2 = column;
+      eatCharacter();
+      var value = "";
+
+      while (idchar.test(char)) {
+        value += char;
+        eatCharacter();
+      }
+
+      var _endColumn2 = column;
+      pushIdentifierToken(value, {
+        startColumn: _startColumn2,
+        endColumn: _endColumn2
+      });
+      continue;
+    }
+
+    if (NUMBERS.test(char) || NUMBER_KEYWORDS.test(lookahead(3, 0)) || char === "-" || char === "+") {
+      var _startColumn3 = column;
+
+      var _value = numberLiteralFSM.run(input.slice(current));
+
+      if (_value === "") {
+        throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+      }
+
+      pushNumberToken(_value, {
+        startColumn: _startColumn3
+      });
+      eatCharacter(_value.length);
+
+      if (char && !PARENS.test(char) && !WHITESPACE.test(char)) {
+        throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+      }
+
+      continue;
+    }
+
+    if (char === '"') {
+      var _startColumn4 = column;
+      var _value2 = "";
+      eatCharacter(); // "
+
+      while (char !== '"') {
+        if (isNewLine(char)) {
+          throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+        }
+
+        _value2 += char;
+        eatCharacter(); // char
+      }
+
+      eatCharacter(); // "
+
+      var _endColumn3 = column;
+      pushStringToken(_value2, {
+        startColumn: _startColumn4,
+        endColumn: _endColumn3
+      });
+      continue;
+    }
+
+    if (LETTERS.test(char)) {
+      var _value3 = "";
+      var _startColumn5 = column;
+
+      while (char && LETTERS.test(char)) {
+        _value3 += char;
+        eatCharacter();
+      }
+      /*
+       * Handle MemberAccess
+       */
+
+
+      if (char === ".") {
+        var dotStartColumn = column;
+
+        if (valtypes.indexOf(_value3) !== -1) {
+          pushValtypeToken(_value3, {
+            startColumn: _startColumn5
+          });
+        } else {
+          pushNameToken(_value3);
+        }
+
+        eatCharacter();
+        _value3 = "";
+        var nameStartColumn = column;
+
+        while (LETTERS.test(char)) {
+          _value3 += char;
+          eatCharacter();
+        }
+
+        pushDotToken(".", {
+          startColumn: dotStartColumn
+        });
+        pushNameToken(_value3, {
+          startColumn: nameStartColumn
+        });
+        continue;
+      }
+      /*
+       * Handle keywords
+       */
+      // $FlowIgnore
+
+
+      if (typeof keywords[_value3] === "string") {
+        pushKeywordToken(_value3, {
+          startColumn: _startColumn5
+        });
+        continue;
+      }
+      /*
+       * Handle types
+       */
+
+
+      if (valtypes.indexOf(_value3) !== -1) {
+        pushValtypeToken(_value3, {
+          startColumn: _startColumn5
+        });
+        continue;
+      }
+      /*
+       * Handle literals
+       */
+
+
+      pushNameToken(_value3, {
+        startColumn: _startColumn5
+      });
+      continue;
+    }
+
+    throw new Error(getCodeFrame(input, line, column) + "Unexpected character " + JSON.stringify(char));
+  }
+
+  return tokens;
+}
+
+var tokens = tokenTypes;
+exports.tokens = tokens;
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-parser/package.json b/node_modules/@webassemblyjs/wast-parser/package.json
new file mode 100644
index 00000000..6b081f11
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-parser/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "@webassemblyjs/wast-parser",
+  "version": "1.9.0",
+  "description": "WebAssembly text format parser",
+  "keywords": [
+    "webassembly",
+    "javascript",
+    "ast",
+    "parser",
+    "wat",
+    "wast"
+  ],
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "mocha"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/floating-point-hex-parser": "1.9.0",
+    "@webassemblyjs/helper-api-error": "1.9.0",
+    "@webassemblyjs/helper-code-frame": "1.9.0",
+    "@webassemblyjs/helper-fsm": "1.9.0",
+    "@xtuc/long": "4.2.2"
+  },
+  "devDependencies": {
+    "@webassemblyjs/helper-test-framework": "1.9.0",
+    "mamacro": "^0.0.7"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@webassemblyjs/wast-printer/LICENSE b/node_modules/@webassemblyjs/wast-printer/LICENSE
new file mode 100644
index 00000000..87e7e1ff
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-printer/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@webassemblyjs/wast-printer/README.md b/node_modules/@webassemblyjs/wast-printer/README.md
new file mode 100644
index 00000000..ed4cd4e4
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-printer/README.md
@@ -0,0 +1,17 @@
+# @webassemblyjs/wast-parser
+
+> WebAssembly text format printer
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/wast-printer
+```
+
+## Usage
+
+```js
+import { print } from "@webassemblyjs/wast-printer"
+
+console.log(print(ast));
+```
diff --git a/node_modules/@webassemblyjs/wast-printer/esm/index.js b/node_modules/@webassemblyjs/wast-printer/esm/index.js
new file mode 100644
index 00000000..398e86fc
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-printer/esm/index.js
@@ -0,0 +1,900 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+import { isAnonymous, isInstruction } from "@webassemblyjs/ast";
+import Long from "@xtuc/long";
+var compact = false;
+var space = " ";
+
+var quote = function quote(str) {
+  return "\"".concat(str, "\"");
+};
+
+function indent(nb) {
+  return Array(nb).fill(space + space).join("");
+} // TODO(sven): allow arbitrary ast nodes
+
+
+export function print(n) {
+  if (n.type === "Program") {
+    return printProgram(n, 0);
+  } else {
+    throw new Error("Unsupported node in print of type: " + String(n.type));
+  }
+}
+
+function printProgram(n, depth) {
+  return n.body.reduce(function (acc, child) {
+    if (child.type === "Module") {
+      acc += printModule(child, depth + 1);
+    }
+
+    if (child.type === "Func") {
+      acc += printFunc(child, depth + 1);
+    }
+
+    if (child.type === "BlockComment") {
+      acc += printBlockComment(child);
+    }
+
+    if (child.type === "LeadingComment") {
+      acc += printLeadingComment(child);
+    }
+
+    if (compact === false) {
+      acc += "\n";
+    }
+
+    return acc;
+  }, "");
+}
+
+function printTypeInstruction(n) {
+  var out = "";
+  out += "(";
+  out += "type";
+  out += space;
+
+  if (n.id != null) {
+    out += printIndex(n.id);
+    out += space;
+  }
+
+  out += "(";
+  out += "func";
+  n.functype.params.forEach(function (param) {
+    out += space;
+    out += "(";
+    out += "param";
+    out += space;
+    out += printFuncParam(param);
+    out += ")";
+  });
+  n.functype.results.forEach(function (result) {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += result;
+    out += ")";
+  });
+  out += ")"; // func
+
+  out += ")";
+  return out;
+}
+
+function printModule(n, depth) {
+  var out = "(";
+  out += "module";
+
+  if (typeof n.id === "string") {
+    out += space;
+    out += n.id;
+  }
+
+  if (compact === false) {
+    out += "\n";
+  } else {
+    out += space;
+  }
+
+  n.fields.forEach(function (field) {
+    if (compact === false) {
+      out += indent(depth);
+    }
+
+    switch (field.type) {
+      case "Func":
+        {
+          out += printFunc(field, depth + 1);
+          break;
+        }
+
+      case "TypeInstruction":
+        {
+          out += printTypeInstruction(field);
+          break;
+        }
+
+      case "Table":
+        {
+          out += printTable(field);
+          break;
+        }
+
+      case "Global":
+        {
+          out += printGlobal(field, depth + 1);
+          break;
+        }
+
+      case "ModuleExport":
+        {
+          out += printModuleExport(field);
+          break;
+        }
+
+      case "ModuleImport":
+        {
+          out += printModuleImport(field);
+          break;
+        }
+
+      case "Memory":
+        {
+          out += printMemory(field);
+          break;
+        }
+
+      case "BlockComment":
+        {
+          out += printBlockComment(field);
+          break;
+        }
+
+      case "LeadingComment":
+        {
+          out += printLeadingComment(field);
+          break;
+        }
+
+      case "Start":
+        {
+          out += printStart(field);
+          break;
+        }
+
+      case "Elem":
+        {
+          out += printElem(field, depth);
+          break;
+        }
+
+      case "Data":
+        {
+          out += printData(field, depth);
+          break;
+        }
+
+      default:
+        throw new Error("Unsupported node in printModule: " + String(field.type));
+    }
+
+    if (compact === false) {
+      out += "\n";
+    }
+  });
+  out += ")";
+  return out;
+}
+
+function printData(n, depth) {
+  var out = "";
+  out += "(";
+  out += "data";
+  out += space;
+  out += printIndex(n.memoryIndex);
+  out += space;
+  out += printInstruction(n.offset, depth);
+  out += space;
+  out += '"';
+  n.init.values.forEach(function (byte) {
+    // Avoid non-displayable characters
+    if (byte <= 31 || byte == 34 || byte == 92 || byte >= 127) {
+      out += "\\";
+      out += ("00" + byte.toString(16)).substr(-2);
+    } else if (byte > 255) {
+      throw new Error("Unsupported byte in data segment: " + byte);
+    } else {
+      out += String.fromCharCode(byte);
+    }
+  });
+  out += '"';
+  out += ")";
+  return out;
+}
+
+function printElem(n, depth) {
+  var out = "";
+  out += "(";
+  out += "elem";
+  out += space;
+  out += printIndex(n.table);
+
+  var _n$offset = _slicedToArray(n.offset, 1),
+      firstOffset = _n$offset[0];
+
+  out += space;
+  out += "(";
+  out += "offset";
+  out += space;
+  out += printInstruction(firstOffset, depth);
+  out += ")";
+  n.funcs.forEach(function (func) {
+    out += space;
+    out += printIndex(func);
+  });
+  out += ")";
+  return out;
+}
+
+function printStart(n) {
+  var out = "";
+  out += "(";
+  out += "start";
+  out += space;
+  out += printIndex(n.index);
+  out += ")";
+  return out;
+}
+
+function printLeadingComment(n) {
+  // Don't print leading comments in compact mode
+  if (compact === true) {
+    return "";
+  }
+
+  var out = "";
+  out += ";;";
+  out += n.value;
+  out += "\n";
+  return out;
+}
+
+function printBlockComment(n) {
+  // Don't print block comments in compact mode
+  if (compact === true) {
+    return "";
+  }
+
+  var out = "";
+  out += "(;";
+  out += n.value;
+  out += ";)";
+  out += "\n";
+  return out;
+}
+
+function printSignature(n) {
+  var out = "";
+  n.params.forEach(function (param) {
+    out += space;
+    out += "(";
+    out += "param";
+    out += space;
+    out += printFuncParam(param);
+    out += ")";
+  });
+  n.results.forEach(function (result) {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += result;
+    out += ")";
+  });
+  return out;
+}
+
+function printModuleImportDescr(n) {
+  var out = "";
+
+  if (n.type === "FuncImportDescr") {
+    out += "(";
+    out += "func";
+
+    if (isAnonymous(n.id) === false) {
+      out += space;
+      out += printIdentifier(n.id);
+    }
+
+    out += printSignature(n.signature);
+    out += ")";
+  }
+
+  if (n.type === "GlobalType") {
+    out += "(";
+    out += "global";
+    out += space;
+    out += printGlobalType(n);
+    out += ")";
+  }
+
+  if (n.type === "Table") {
+    out += printTable(n);
+  }
+
+  return out;
+}
+
+function printModuleImport(n) {
+  var out = "";
+  out += "(";
+  out += "import";
+  out += space;
+  out += quote(n.module);
+  out += space;
+  out += quote(n.name);
+  out += space;
+  out += printModuleImportDescr(n.descr);
+  out += ")";
+  return out;
+}
+
+function printGlobalType(n) {
+  var out = "";
+
+  if (n.mutability === "var") {
+    out += "(";
+    out += "mut";
+    out += space;
+    out += n.valtype;
+    out += ")";
+  } else {
+    out += n.valtype;
+  }
+
+  return out;
+}
+
+function printGlobal(n, depth) {
+  var out = "";
+  out += "(";
+  out += "global";
+  out += space;
+
+  if (n.name != null && isAnonymous(n.name) === false) {
+    out += printIdentifier(n.name);
+    out += space;
+  }
+
+  out += printGlobalType(n.globalType);
+  out += space;
+  n.init.forEach(function (i) {
+    out += printInstruction(i, depth + 1);
+  });
+  out += ")";
+  return out;
+}
+
+function printTable(n) {
+  var out = "";
+  out += "(";
+  out += "table";
+  out += space;
+
+  if (n.name != null && isAnonymous(n.name) === false) {
+    out += printIdentifier(n.name);
+    out += space;
+  }
+
+  out += printLimit(n.limits);
+  out += space;
+  out += n.elementType;
+  out += ")";
+  return out;
+}
+
+function printFuncParam(n) {
+  var out = "";
+
+  if (typeof n.id === "string") {
+    out += "$" + n.id;
+    out += space;
+  }
+
+  out += n.valtype;
+  return out;
+}
+
+function printFunc(n, depth) {
+  var out = "";
+  out += "(";
+  out += "func";
+
+  if (n.name != null) {
+    if (n.name.type === "Identifier" && isAnonymous(n.name) === false) {
+      out += space;
+      out += printIdentifier(n.name);
+    }
+  }
+
+  if (n.signature.type === "Signature") {
+    out += printSignature(n.signature);
+  } else {
+    var index = n.signature;
+    out += space;
+    out += "(";
+    out += "type";
+    out += space;
+    out += printIndex(index);
+    out += ")";
+  }
+
+  if (n.body.length > 0) {
+    // func is empty since we ignore the default end instruction
+    if (n.body.length === 1 && n.body[0].id === "end") {
+      out += ")";
+      return out;
+    }
+
+    if (compact === false) {
+      out += "\n";
+    }
+
+    n.body.forEach(function (i) {
+      if (i.id !== "end") {
+        out += indent(depth);
+        out += printInstruction(i, depth);
+
+        if (compact === false) {
+          out += "\n";
+        }
+      }
+    });
+    out += indent(depth - 1) + ")";
+  } else {
+    out += ")";
+  }
+
+  return out;
+}
+
+function printInstruction(n, depth) {
+  switch (n.type) {
+    case "Instr":
+      // $FlowIgnore
+      return printGenericInstruction(n, depth + 1);
+
+    case "BlockInstruction":
+      // $FlowIgnore
+      return printBlockInstruction(n, depth + 1);
+
+    case "IfInstruction":
+      // $FlowIgnore
+      return printIfInstruction(n, depth + 1);
+
+    case "CallInstruction":
+      // $FlowIgnore
+      return printCallInstruction(n, depth + 1);
+
+    case "CallIndirectInstruction":
+      // $FlowIgnore
+      return printCallIndirectIntruction(n, depth + 1);
+
+    case "LoopInstruction":
+      // $FlowIgnore
+      return printLoopInstruction(n, depth + 1);
+
+    default:
+      throw new Error("Unsupported instruction: " + JSON.stringify(n.type));
+  }
+}
+
+function printCallIndirectIntruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "call_indirect";
+
+  if (n.signature.type === "Signature") {
+    out += printSignature(n.signature);
+  } else if (n.signature.type === "Identifier") {
+    out += space;
+    out += "(";
+    out += "type";
+    out += space;
+    out += printIdentifier(n.signature);
+    out += ")";
+  } else {
+    throw new Error("CallIndirectInstruction: unsupported signature " + JSON.stringify(n.signature.type));
+  }
+
+  out += space;
+
+  if (n.intrs != null) {
+    // $FlowIgnore
+    n.intrs.forEach(function (i, index) {
+      // $FlowIgnore
+      out += printInstruction(i, depth + 1); // $FlowIgnore
+
+      if (index !== n.intrs.length - 1) {
+        out += space;
+      }
+    });
+  }
+
+  out += ")";
+  return out;
+}
+
+function printLoopInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "loop";
+
+  if (n.label != null && isAnonymous(n.label) === false) {
+    out += space;
+    out += printIdentifier(n.label);
+  }
+
+  if (typeof n.resulttype === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.resulttype;
+    out += ")";
+  }
+
+  if (n.instr.length > 0) {
+    n.instr.forEach(function (e) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(e, depth + 1);
+    });
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth - 1);
+    }
+  }
+
+  out += ")";
+  return out;
+}
+
+function printCallInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "call";
+  out += space;
+  out += printIndex(n.index);
+
+  if (_typeof(n.instrArgs) === "object") {
+    // $FlowIgnore
+    n.instrArgs.forEach(function (arg) {
+      out += space;
+      out += printFuncInstructionArg(arg, depth + 1);
+    });
+  }
+
+  out += ")";
+  return out;
+}
+
+function printIfInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "if";
+
+  if (n.testLabel != null && isAnonymous(n.testLabel) === false) {
+    out += space;
+    out += printIdentifier(n.testLabel);
+  }
+
+  if (typeof n.result === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.result;
+    out += ")";
+  }
+
+  if (n.test.length > 0) {
+    out += space;
+    n.test.forEach(function (i) {
+      out += printInstruction(i, depth + 1);
+    });
+  }
+
+  if (n.consequent.length > 0) {
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth);
+    out += "(";
+    out += "then";
+    depth++;
+    n.consequent.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+    depth--;
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += ")";
+  } else {
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += "(";
+    out += "then";
+    out += ")";
+  }
+
+  if (n.alternate.length > 0) {
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth);
+    out += "(";
+    out += "else";
+    depth++;
+    n.alternate.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+    depth--;
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += ")";
+  } else {
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += "(";
+    out += "else";
+    out += ")";
+  }
+
+  if (compact === false) {
+    out += "\n";
+    out += indent(depth - 1);
+  }
+
+  out += ")";
+  return out;
+}
+
+function printBlockInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "block";
+
+  if (n.label != null && isAnonymous(n.label) === false) {
+    out += space;
+    out += printIdentifier(n.label);
+  }
+
+  if (typeof n.result === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.result;
+    out += ")";
+  }
+
+  if (n.instr.length > 0) {
+    n.instr.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth - 1);
+    out += ")";
+  } else {
+    out += ")";
+  }
+
+  return out;
+}
+
+function printGenericInstruction(n, depth) {
+  var out = "";
+  out += "(";
+
+  if (typeof n.object === "string") {
+    out += n.object;
+    out += ".";
+  }
+
+  out += n.id;
+  n.args.forEach(function (arg) {
+    out += space;
+    out += printFuncInstructionArg(arg, depth + 1);
+  });
+  out += ")";
+  return out;
+}
+
+function printLongNumberLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  var _n$value = n.value,
+      low = _n$value.low,
+      high = _n$value.high;
+  var v = new Long(low, high);
+  return v.toString();
+}
+
+function printFloatLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  return String(n.value);
+}
+
+function printFuncInstructionArg(n, depth) {
+  var out = "";
+
+  if (n.type === "NumberLiteral") {
+    out += printNumberLiteral(n);
+  }
+
+  if (n.type === "LongNumberLiteral") {
+    out += printLongNumberLiteral(n);
+  }
+
+  if (n.type === "Identifier" && isAnonymous(n) === false) {
+    out += printIdentifier(n);
+  }
+
+  if (n.type === "ValtypeLiteral") {
+    out += n.name;
+  }
+
+  if (n.type === "FloatLiteral") {
+    out += printFloatLiteral(n);
+  }
+
+  if (isInstruction(n)) {
+    out += printInstruction(n, depth + 1);
+  }
+
+  return out;
+}
+
+function printNumberLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  return String(n.value);
+}
+
+function printModuleExport(n) {
+  var out = "";
+  out += "(";
+  out += "export";
+  out += space;
+  out += quote(n.name);
+
+  if (n.descr.exportType === "Func") {
+    out += space;
+    out += "(";
+    out += "func";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Global") {
+    out += space;
+    out += "(";
+    out += "global";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Memory" || n.descr.exportType === "Mem") {
+    out += space;
+    out += "(";
+    out += "memory";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Table") {
+    out += space;
+    out += "(";
+    out += "table";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else {
+    throw new Error("printModuleExport: unknown type: " + n.descr.exportType);
+  }
+
+  out += ")";
+  return out;
+}
+
+function printIdentifier(n) {
+  return "$" + n.value;
+}
+
+function printIndex(n) {
+  if (n.type === "Identifier") {
+    return printIdentifier(n);
+  } else if (n.type === "NumberLiteral") {
+    return printNumberLiteral(n);
+  } else {
+    throw new Error("Unsupported index: " + n.type);
+  }
+}
+
+function printMemory(n) {
+  var out = "";
+  out += "(";
+  out += "memory";
+
+  if (n.id != null) {
+    out += space;
+    out += printIndex(n.id);
+    out += space;
+  }
+
+  out += printLimit(n.limits);
+  out += ")";
+  return out;
+}
+
+function printLimit(n) {
+  var out = "";
+  out += n.min + "";
+
+  if (n.max != null) {
+    out += space;
+    out += String(n.max);
+  }
+
+  return out;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-printer/lib/index.js b/node_modules/@webassemblyjs/wast-printer/lib/index.js
new file mode 100644
index 00000000..03be8ca4
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-printer/lib/index.js
@@ -0,0 +1,911 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.print = print;
+
+var _ast = require("@webassemblyjs/ast");
+
+var _long = _interopRequireDefault(require("@xtuc/long"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+
+var compact = false;
+var space = " ";
+
+var quote = function quote(str) {
+  return "\"".concat(str, "\"");
+};
+
+function indent(nb) {
+  return Array(nb).fill(space + space).join("");
+} // TODO(sven): allow arbitrary ast nodes
+
+
+function print(n) {
+  if (n.type === "Program") {
+    return printProgram(n, 0);
+  } else {
+    throw new Error("Unsupported node in print of type: " + String(n.type));
+  }
+}
+
+function printProgram(n, depth) {
+  return n.body.reduce(function (acc, child) {
+    if (child.type === "Module") {
+      acc += printModule(child, depth + 1);
+    }
+
+    if (child.type === "Func") {
+      acc += printFunc(child, depth + 1);
+    }
+
+    if (child.type === "BlockComment") {
+      acc += printBlockComment(child);
+    }
+
+    if (child.type === "LeadingComment") {
+      acc += printLeadingComment(child);
+    }
+
+    if (compact === false) {
+      acc += "\n";
+    }
+
+    return acc;
+  }, "");
+}
+
+function printTypeInstruction(n) {
+  var out = "";
+  out += "(";
+  out += "type";
+  out += space;
+
+  if (n.id != null) {
+    out += printIndex(n.id);
+    out += space;
+  }
+
+  out += "(";
+  out += "func";
+  n.functype.params.forEach(function (param) {
+    out += space;
+    out += "(";
+    out += "param";
+    out += space;
+    out += printFuncParam(param);
+    out += ")";
+  });
+  n.functype.results.forEach(function (result) {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += result;
+    out += ")";
+  });
+  out += ")"; // func
+
+  out += ")";
+  return out;
+}
+
+function printModule(n, depth) {
+  var out = "(";
+  out += "module";
+
+  if (typeof n.id === "string") {
+    out += space;
+    out += n.id;
+  }
+
+  if (compact === false) {
+    out += "\n";
+  } else {
+    out += space;
+  }
+
+  n.fields.forEach(function (field) {
+    if (compact === false) {
+      out += indent(depth);
+    }
+
+    switch (field.type) {
+      case "Func":
+        {
+          out += printFunc(field, depth + 1);
+          break;
+        }
+
+      case "TypeInstruction":
+        {
+          out += printTypeInstruction(field);
+          break;
+        }
+
+      case "Table":
+        {
+          out += printTable(field);
+          break;
+        }
+
+      case "Global":
+        {
+          out += printGlobal(field, depth + 1);
+          break;
+        }
+
+      case "ModuleExport":
+        {
+          out += printModuleExport(field);
+          break;
+        }
+
+      case "ModuleImport":
+        {
+          out += printModuleImport(field);
+          break;
+        }
+
+      case "Memory":
+        {
+          out += printMemory(field);
+          break;
+        }
+
+      case "BlockComment":
+        {
+          out += printBlockComment(field);
+          break;
+        }
+
+      case "LeadingComment":
+        {
+          out += printLeadingComment(field);
+          break;
+        }
+
+      case "Start":
+        {
+          out += printStart(field);
+          break;
+        }
+
+      case "Elem":
+        {
+          out += printElem(field, depth);
+          break;
+        }
+
+      case "Data":
+        {
+          out += printData(field, depth);
+          break;
+        }
+
+      default:
+        throw new Error("Unsupported node in printModule: " + String(field.type));
+    }
+
+    if (compact === false) {
+      out += "\n";
+    }
+  });
+  out += ")";
+  return out;
+}
+
+function printData(n, depth) {
+  var out = "";
+  out += "(";
+  out += "data";
+  out += space;
+  out += printIndex(n.memoryIndex);
+  out += space;
+  out += printInstruction(n.offset, depth);
+  out += space;
+  out += '"';
+  n.init.values.forEach(function (byte) {
+    // Avoid non-displayable characters
+    if (byte <= 31 || byte == 34 || byte == 92 || byte >= 127) {
+      out += "\\";
+      out += ("00" + byte.toString(16)).substr(-2);
+    } else if (byte > 255) {
+      throw new Error("Unsupported byte in data segment: " + byte);
+    } else {
+      out += String.fromCharCode(byte);
+    }
+  });
+  out += '"';
+  out += ")";
+  return out;
+}
+
+function printElem(n, depth) {
+  var out = "";
+  out += "(";
+  out += "elem";
+  out += space;
+  out += printIndex(n.table);
+
+  var _n$offset = _slicedToArray(n.offset, 1),
+      firstOffset = _n$offset[0];
+
+  out += space;
+  out += "(";
+  out += "offset";
+  out += space;
+  out += printInstruction(firstOffset, depth);
+  out += ")";
+  n.funcs.forEach(function (func) {
+    out += space;
+    out += printIndex(func);
+  });
+  out += ")";
+  return out;
+}
+
+function printStart(n) {
+  var out = "";
+  out += "(";
+  out += "start";
+  out += space;
+  out += printIndex(n.index);
+  out += ")";
+  return out;
+}
+
+function printLeadingComment(n) {
+  // Don't print leading comments in compact mode
+  if (compact === true) {
+    return "";
+  }
+
+  var out = "";
+  out += ";;";
+  out += n.value;
+  out += "\n";
+  return out;
+}
+
+function printBlockComment(n) {
+  // Don't print block comments in compact mode
+  if (compact === true) {
+    return "";
+  }
+
+  var out = "";
+  out += "(;";
+  out += n.value;
+  out += ";)";
+  out += "\n";
+  return out;
+}
+
+function printSignature(n) {
+  var out = "";
+  n.params.forEach(function (param) {
+    out += space;
+    out += "(";
+    out += "param";
+    out += space;
+    out += printFuncParam(param);
+    out += ")";
+  });
+  n.results.forEach(function (result) {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += result;
+    out += ")";
+  });
+  return out;
+}
+
+function printModuleImportDescr(n) {
+  var out = "";
+
+  if (n.type === "FuncImportDescr") {
+    out += "(";
+    out += "func";
+
+    if ((0, _ast.isAnonymous)(n.id) === false) {
+      out += space;
+      out += printIdentifier(n.id);
+    }
+
+    out += printSignature(n.signature);
+    out += ")";
+  }
+
+  if (n.type === "GlobalType") {
+    out += "(";
+    out += "global";
+    out += space;
+    out += printGlobalType(n);
+    out += ")";
+  }
+
+  if (n.type === "Table") {
+    out += printTable(n);
+  }
+
+  return out;
+}
+
+function printModuleImport(n) {
+  var out = "";
+  out += "(";
+  out += "import";
+  out += space;
+  out += quote(n.module);
+  out += space;
+  out += quote(n.name);
+  out += space;
+  out += printModuleImportDescr(n.descr);
+  out += ")";
+  return out;
+}
+
+function printGlobalType(n) {
+  var out = "";
+
+  if (n.mutability === "var") {
+    out += "(";
+    out += "mut";
+    out += space;
+    out += n.valtype;
+    out += ")";
+  } else {
+    out += n.valtype;
+  }
+
+  return out;
+}
+
+function printGlobal(n, depth) {
+  var out = "";
+  out += "(";
+  out += "global";
+  out += space;
+
+  if (n.name != null && (0, _ast.isAnonymous)(n.name) === false) {
+    out += printIdentifier(n.name);
+    out += space;
+  }
+
+  out += printGlobalType(n.globalType);
+  out += space;
+  n.init.forEach(function (i) {
+    out += printInstruction(i, depth + 1);
+  });
+  out += ")";
+  return out;
+}
+
+function printTable(n) {
+  var out = "";
+  out += "(";
+  out += "table";
+  out += space;
+
+  if (n.name != null && (0, _ast.isAnonymous)(n.name) === false) {
+    out += printIdentifier(n.name);
+    out += space;
+  }
+
+  out += printLimit(n.limits);
+  out += space;
+  out += n.elementType;
+  out += ")";
+  return out;
+}
+
+function printFuncParam(n) {
+  var out = "";
+
+  if (typeof n.id === "string") {
+    out += "$" + n.id;
+    out += space;
+  }
+
+  out += n.valtype;
+  return out;
+}
+
+function printFunc(n, depth) {
+  var out = "";
+  out += "(";
+  out += "func";
+
+  if (n.name != null) {
+    if (n.name.type === "Identifier" && (0, _ast.isAnonymous)(n.name) === false) {
+      out += space;
+      out += printIdentifier(n.name);
+    }
+  }
+
+  if (n.signature.type === "Signature") {
+    out += printSignature(n.signature);
+  } else {
+    var index = n.signature;
+    out += space;
+    out += "(";
+    out += "type";
+    out += space;
+    out += printIndex(index);
+    out += ")";
+  }
+
+  if (n.body.length > 0) {
+    // func is empty since we ignore the default end instruction
+    if (n.body.length === 1 && n.body[0].id === "end") {
+      out += ")";
+      return out;
+    }
+
+    if (compact === false) {
+      out += "\n";
+    }
+
+    n.body.forEach(function (i) {
+      if (i.id !== "end") {
+        out += indent(depth);
+        out += printInstruction(i, depth);
+
+        if (compact === false) {
+          out += "\n";
+        }
+      }
+    });
+    out += indent(depth - 1) + ")";
+  } else {
+    out += ")";
+  }
+
+  return out;
+}
+
+function printInstruction(n, depth) {
+  switch (n.type) {
+    case "Instr":
+      // $FlowIgnore
+      return printGenericInstruction(n, depth + 1);
+
+    case "BlockInstruction":
+      // $FlowIgnore
+      return printBlockInstruction(n, depth + 1);
+
+    case "IfInstruction":
+      // $FlowIgnore
+      return printIfInstruction(n, depth + 1);
+
+    case "CallInstruction":
+      // $FlowIgnore
+      return printCallInstruction(n, depth + 1);
+
+    case "CallIndirectInstruction":
+      // $FlowIgnore
+      return printCallIndirectIntruction(n, depth + 1);
+
+    case "LoopInstruction":
+      // $FlowIgnore
+      return printLoopInstruction(n, depth + 1);
+
+    default:
+      throw new Error("Unsupported instruction: " + JSON.stringify(n.type));
+  }
+}
+
+function printCallIndirectIntruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "call_indirect";
+
+  if (n.signature.type === "Signature") {
+    out += printSignature(n.signature);
+  } else if (n.signature.type === "Identifier") {
+    out += space;
+    out += "(";
+    out += "type";
+    out += space;
+    out += printIdentifier(n.signature);
+    out += ")";
+  } else {
+    throw new Error("CallIndirectInstruction: unsupported signature " + JSON.stringify(n.signature.type));
+  }
+
+  out += space;
+
+  if (n.intrs != null) {
+    // $FlowIgnore
+    n.intrs.forEach(function (i, index) {
+      // $FlowIgnore
+      out += printInstruction(i, depth + 1); // $FlowIgnore
+
+      if (index !== n.intrs.length - 1) {
+        out += space;
+      }
+    });
+  }
+
+  out += ")";
+  return out;
+}
+
+function printLoopInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "loop";
+
+  if (n.label != null && (0, _ast.isAnonymous)(n.label) === false) {
+    out += space;
+    out += printIdentifier(n.label);
+  }
+
+  if (typeof n.resulttype === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.resulttype;
+    out += ")";
+  }
+
+  if (n.instr.length > 0) {
+    n.instr.forEach(function (e) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(e, depth + 1);
+    });
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth - 1);
+    }
+  }
+
+  out += ")";
+  return out;
+}
+
+function printCallInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "call";
+  out += space;
+  out += printIndex(n.index);
+
+  if (_typeof(n.instrArgs) === "object") {
+    // $FlowIgnore
+    n.instrArgs.forEach(function (arg) {
+      out += space;
+      out += printFuncInstructionArg(arg, depth + 1);
+    });
+  }
+
+  out += ")";
+  return out;
+}
+
+function printIfInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "if";
+
+  if (n.testLabel != null && (0, _ast.isAnonymous)(n.testLabel) === false) {
+    out += space;
+    out += printIdentifier(n.testLabel);
+  }
+
+  if (typeof n.result === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.result;
+    out += ")";
+  }
+
+  if (n.test.length > 0) {
+    out += space;
+    n.test.forEach(function (i) {
+      out += printInstruction(i, depth + 1);
+    });
+  }
+
+  if (n.consequent.length > 0) {
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth);
+    out += "(";
+    out += "then";
+    depth++;
+    n.consequent.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+    depth--;
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += ")";
+  } else {
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += "(";
+    out += "then";
+    out += ")";
+  }
+
+  if (n.alternate.length > 0) {
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth);
+    out += "(";
+    out += "else";
+    depth++;
+    n.alternate.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+    depth--;
+
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += ")";
+  } else {
+    if (compact === false) {
+      out += "\n";
+      out += indent(depth);
+    }
+
+    out += "(";
+    out += "else";
+    out += ")";
+  }
+
+  if (compact === false) {
+    out += "\n";
+    out += indent(depth - 1);
+  }
+
+  out += ")";
+  return out;
+}
+
+function printBlockInstruction(n, depth) {
+  var out = "";
+  out += "(";
+  out += "block";
+
+  if (n.label != null && (0, _ast.isAnonymous)(n.label) === false) {
+    out += space;
+    out += printIdentifier(n.label);
+  }
+
+  if (typeof n.result === "string") {
+    out += space;
+    out += "(";
+    out += "result";
+    out += space;
+    out += n.result;
+    out += ")";
+  }
+
+  if (n.instr.length > 0) {
+    n.instr.forEach(function (i) {
+      if (compact === false) {
+        out += "\n";
+      }
+
+      out += indent(depth);
+      out += printInstruction(i, depth + 1);
+    });
+
+    if (compact === false) {
+      out += "\n";
+    }
+
+    out += indent(depth - 1);
+    out += ")";
+  } else {
+    out += ")";
+  }
+
+  return out;
+}
+
+function printGenericInstruction(n, depth) {
+  var out = "";
+  out += "(";
+
+  if (typeof n.object === "string") {
+    out += n.object;
+    out += ".";
+  }
+
+  out += n.id;
+  n.args.forEach(function (arg) {
+    out += space;
+    out += printFuncInstructionArg(arg, depth + 1);
+  });
+  out += ")";
+  return out;
+}
+
+function printLongNumberLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  var _n$value = n.value,
+      low = _n$value.low,
+      high = _n$value.high;
+  var v = new _long.default(low, high);
+  return v.toString();
+}
+
+function printFloatLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  return String(n.value);
+}
+
+function printFuncInstructionArg(n, depth) {
+  var out = "";
+
+  if (n.type === "NumberLiteral") {
+    out += printNumberLiteral(n);
+  }
+
+  if (n.type === "LongNumberLiteral") {
+    out += printLongNumberLiteral(n);
+  }
+
+  if (n.type === "Identifier" && (0, _ast.isAnonymous)(n) === false) {
+    out += printIdentifier(n);
+  }
+
+  if (n.type === "ValtypeLiteral") {
+    out += n.name;
+  }
+
+  if (n.type === "FloatLiteral") {
+    out += printFloatLiteral(n);
+  }
+
+  if ((0, _ast.isInstruction)(n)) {
+    out += printInstruction(n, depth + 1);
+  }
+
+  return out;
+}
+
+function printNumberLiteral(n) {
+  if (typeof n.raw === "string") {
+    return n.raw;
+  }
+
+  return String(n.value);
+}
+
+function printModuleExport(n) {
+  var out = "";
+  out += "(";
+  out += "export";
+  out += space;
+  out += quote(n.name);
+
+  if (n.descr.exportType === "Func") {
+    out += space;
+    out += "(";
+    out += "func";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Global") {
+    out += space;
+    out += "(";
+    out += "global";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Memory" || n.descr.exportType === "Mem") {
+    out += space;
+    out += "(";
+    out += "memory";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else if (n.descr.exportType === "Table") {
+    out += space;
+    out += "(";
+    out += "table";
+    out += space;
+    out += printIndex(n.descr.id);
+    out += ")";
+  } else {
+    throw new Error("printModuleExport: unknown type: " + n.descr.exportType);
+  }
+
+  out += ")";
+  return out;
+}
+
+function printIdentifier(n) {
+  return "$" + n.value;
+}
+
+function printIndex(n) {
+  if (n.type === "Identifier") {
+    return printIdentifier(n);
+  } else if (n.type === "NumberLiteral") {
+    return printNumberLiteral(n);
+  } else {
+    throw new Error("Unsupported index: " + n.type);
+  }
+}
+
+function printMemory(n) {
+  var out = "";
+  out += "(";
+  out += "memory";
+
+  if (n.id != null) {
+    out += space;
+    out += printIndex(n.id);
+    out += space;
+  }
+
+  out += printLimit(n.limits);
+  out += ")";
+  return out;
+}
+
+function printLimit(n) {
+  var out = "";
+  out += n.min + "";
+
+  if (n.max != null) {
+    out += space;
+    out += String(n.max);
+  }
+
+  return out;
+}
\ No newline at end of file
diff --git a/node_modules/@webassemblyjs/wast-printer/package.json b/node_modules/@webassemblyjs/wast-printer/package.json
new file mode 100644
index 00000000..bf38065d
--- /dev/null
+++ b/node_modules/@webassemblyjs/wast-printer/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "@webassemblyjs/wast-printer",
+  "version": "1.9.0",
+  "description": "WebAssembly text format printer",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "keywords": [
+    "webassembly",
+    "javascript",
+    "ast",
+    "compiler",
+    "printer",
+    "wast"
+  ],
+  "scripts": {
+    "test": "mocha"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/wast-parser": "1.9.0",
+    "@xtuc/long": "4.2.2"
+  },
+  "devDependencies": {
+    "@webassemblyjs/helper-test-framework": "1.9.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "0440b420888c1f7701eb9762ec657775506b87d8"
+}
diff --git a/node_modules/@xtuc/ieee754/LICENSE b/node_modules/@xtuc/ieee754/LICENSE
new file mode 100644
index 00000000..f37a2ebe
--- /dev/null
+++ b/node_modules/@xtuc/ieee754/LICENSE
@@ -0,0 +1,28 @@
+Copyright (c) 2008, Fair Oaks Labs, Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+ * Neither the name of Fair Oaks Labs, Inc. nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/@xtuc/ieee754/README.md b/node_modules/@xtuc/ieee754/README.md
new file mode 100644
index 00000000..cb7527b3
--- /dev/null
+++ b/node_modules/@xtuc/ieee754/README.md
@@ -0,0 +1,51 @@
+# ieee754 [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/ieee754/master.svg
+[travis-url]: https://travis-ci.org/feross/ieee754
+[npm-image]: https://img.shields.io/npm/v/ieee754.svg
+[npm-url]: https://npmjs.org/package/ieee754
+[downloads-image]: https://img.shields.io/npm/dm/ieee754.svg
+[downloads-url]: https://npmjs.org/package/ieee754
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/ieee754.svg
+[saucelabs-url]: https://saucelabs.com/u/ieee754
+
+### Read/write IEEE754 floating point numbers from/to a Buffer or array-like object.
+
+## install
+
+```
+npm install ieee754
+```
+
+## methods
+
+`var ieee754 = require('ieee754')`
+
+The `ieee754` object has the following functions:
+
+```
+ieee754.read = function (buffer, offset, isLE, mLen, nBytes)
+ieee754.write = function (buffer, value, offset, isLE, mLen, nBytes)
+```
+
+The arguments mean the following:
+
+- buffer = the buffer
+- offset = offset into the buffer
+- value = value to set (only for `write`)
+- isLe = is little endian?
+- mLen = mantissa length
+- nBytes = number of bytes
+
+## what is ieee754?
+
+The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation. [Read more](http://en.wikipedia.org/wiki/IEEE_floating_point).
+
+## license
+
+BSD 3 Clause. Copyright (c) 2008, Fair Oaks Labs, Inc.
diff --git a/node_modules/@xtuc/ieee754/index.js b/node_modules/@xtuc/ieee754/index.js
new file mode 100644
index 00000000..f294ac06
--- /dev/null
+++ b/node_modules/@xtuc/ieee754/index.js
@@ -0,0 +1,84 @@
+export function read(buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+export function write(buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = ((value * c) - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
diff --git a/node_modules/@xtuc/ieee754/package.json b/node_modules/@xtuc/ieee754/package.json
new file mode 100644
index 00000000..f4e33ac2
--- /dev/null
+++ b/node_modules/@xtuc/ieee754/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "@xtuc/ieee754",
+  "description": "Read/write IEEE754 floating point numbers from/to a Buffer or array-like object",
+  "version": "1.2.0",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "http://feross.org"
+  },
+  "contributors": [
+    "Romain Beauxis <toots@rastageeks.org>"
+  ],
+  "devDependencies": {
+    "airtap": "0.0.7",
+    "standard": "*",
+    "tape": "^4.0.0",
+    "@babel/cli": "^7.0.0-beta.54",
+    "@babel/core": "^7.0.0-beta.54",
+    "@babel/plugin-transform-modules-commonjs": "^7.0.0-beta.54"
+  },
+  "keywords": [
+    "IEEE 754",
+    "buffer",
+    "convert",
+    "floating point",
+    "ieee754"
+  ],
+  "license": "BSD-3-Clause",
+  "main": "dist/index.cjs.js",
+  "module": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/ieee754.git"
+  },
+  "scripts": {
+    "test": "standard && npm run test-node && npm run test-browser",
+    "test-browser": "airtap -- test/*.js",
+    "test-browser-local": "airtap --local -- test/*.js",
+    "test-node": "tape test/*.js"
+  },
+  "prepublish": "babel --plugins @babel/plugin-transform-modules-commonjs index.js -o dist/index.cjs.js"
+}
diff --git a/node_modules/@xtuc/long/LICENSE b/node_modules/@xtuc/long/LICENSE
new file mode 100644
index 00000000..d6456956
--- /dev/null
+++ b/node_modules/@xtuc/long/LICENSE
@@ -0,0 +1,202 @@
+
+                                 Apache License
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+
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diff --git a/node_modules/@xtuc/long/README.md b/node_modules/@xtuc/long/README.md
new file mode 100644
index 00000000..dd96ae6f
--- /dev/null
+++ b/node_modules/@xtuc/long/README.md
@@ -0,0 +1,257 @@
+long.js
+=======
+
+A Long class for representing a 64 bit two's-complement integer value derived from the [Closure Library](https://github.com/google/closure-library)
+for stand-alone use and extended with unsigned support.
+
+[![npm](https://img.shields.io/npm/v/long.svg)](https://www.npmjs.com/package/long) [![Build Status](https://travis-ci.org/dcodeIO/long.js.svg)](https://travis-ci.org/dcodeIO/long.js)
+
+Background
+----------
+
+As of [ECMA-262 5th Edition](http://ecma262-5.com/ELS5_HTML.htm#Section_8.5), "all the positive and negative integers
+whose magnitude is no greater than 2<sup>53</sup> are representable in the Number type", which is "representing the
+doubleprecision 64-bit format IEEE 754 values as specified in the IEEE Standard for Binary Floating-Point Arithmetic".
+The [maximum safe integer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)
+in JavaScript is 2<sup>53</sup>-1.
+
+Example: 2<sup>64</sup>-1 is 1844674407370955**1615** but in JavaScript it evaluates to 1844674407370955**2000**.
+
+Furthermore, bitwise operators in JavaScript "deal only with integers in the range −2<sup>31</sup> through
+2<sup>31</sup>−1, inclusive, or in the range 0 through 2<sup>32</sup>−1, inclusive. These operators accept any value of
+the Number type but first convert each such value to one of 2<sup>32</sup> integer values."
+
+In some use cases, however, it is required to be able to reliably work with and perform bitwise operations on the full
+64 bits. This is where long.js comes into play.
+
+Usage
+-----
+
+The class is compatible with CommonJS and AMD loaders and is exposed globally as `Long` if neither is available.
+
+```javascript
+var Long = require("long");
+
+var longVal = new Long(0xFFFFFFFF, 0x7FFFFFFF);
+
+console.log(longVal.toString());
+...
+```
+
+API
+---
+
+### Constructor
+
+* new **Long**(low: `number`, high: `number`, unsigned?: `boolean`)<br />
+  Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers. See the from* functions below for more convenient ways of constructing Longs.
+
+### Fields
+
+* Long#**low**: `number`<br />
+  The low 32 bits as a signed value.
+
+* Long#**high**: `number`<br />
+  The high 32 bits as a signed value.
+
+* Long#**unsigned**: `boolean`<br />
+  Whether unsigned or not.
+
+### Constants
+
+* Long.**ZERO**: `Long`<br />
+  Signed zero.
+
+* Long.**ONE**: `Long`<br />
+  Signed one.
+
+* Long.**NEG_ONE**: `Long`<br />
+  Signed negative one.
+
+* Long.**UZERO**: `Long`<br />
+  Unsigned zero.
+
+* Long.**UONE**: `Long`<br />
+  Unsigned one.
+
+* Long.**MAX_VALUE**: `Long`<br />
+  Maximum signed value.
+
+* Long.**MIN_VALUE**: `Long`<br />
+  Minimum signed value.
+
+* Long.**MAX_UNSIGNED_VALUE**: `Long`<br />
+  Maximum unsigned value.
+
+### Utility
+
+* Long.**isLong**(obj: `*`): `boolean`<br />
+  Tests if the specified object is a Long.
+
+* Long.**fromBits**(lowBits: `number`, highBits: `number`, unsigned?: `boolean`): `Long`<br />
+  Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is assumed to use 32 bits.
+
+* Long.**fromBytes**(bytes: `number[]`, unsigned?: `boolean`, le?: `boolean`): `Long`<br />
+  Creates a Long from its byte representation.
+
+* Long.**fromBytesLE**(bytes: `number[]`, unsigned?: `boolean`): `Long`<br />
+  Creates a Long from its little endian byte representation.
+
+* Long.**fromBytesBE**(bytes: `number[]`, unsigned?: `boolean`): `Long`<br />
+  Creates a Long from its big endian byte representation.
+
+* Long.**fromInt**(value: `number`, unsigned?: `boolean`): `Long`<br />
+  Returns a Long representing the given 32 bit integer value.
+
+* Long.**fromNumber**(value: `number`, unsigned?: `boolean`): `Long`<br />
+  Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+
+* Long.**fromString**(str: `string`, unsigned?: `boolean`, radix?: `number`)<br />
+  Long.**fromString**(str: `string`, radix: `number`)<br />
+  Returns a Long representation of the given string, written using the specified radix.
+
+* Long.**fromValue**(val: `*`, unsigned?: `boolean`): `Long`<br />
+  Converts the specified value to a Long using the appropriate from* function for its type.
+
+### Methods
+
+* Long#**add**(addend: `Long | number | string`): `Long`<br />
+  Returns the sum of this and the specified Long.
+
+* Long#**and**(other: `Long | number | string`): `Long`<br />
+  Returns the bitwise AND of this Long and the specified.
+
+* Long#**compare**/**comp**(other: `Long | number | string`): `number`<br />
+  Compares this Long's value with the specified's. Returns `0` if they are the same, `1` if the this is greater and `-1` if the given one is greater.
+
+* Long#**divide**/**div**(divisor: `Long | number | string`): `Long`<br />
+  Returns this Long divided by the specified.
+
+* Long#**equals**/**eq**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value equals the specified's.
+
+* Long#**getHighBits**(): `number`<br />
+  Gets the high 32 bits as a signed integer.
+
+* Long#**getHighBitsUnsigned**(): `number`<br />
+  Gets the high 32 bits as an unsigned integer.
+
+* Long#**getLowBits**(): `number`<br />
+  Gets the low 32 bits as a signed integer.
+
+* Long#**getLowBitsUnsigned**(): `number`<br />
+  Gets the low 32 bits as an unsigned integer.
+
+* Long#**getNumBitsAbs**(): `number`<br />
+  Gets the number of bits needed to represent the absolute value of this Long.
+
+* Long#**greaterThan**/**gt**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value is greater than the specified's.
+
+* Long#**greaterThanOrEqual**/**gte**/**ge**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value is greater than or equal the specified's.
+
+* Long#**isEven**(): `boolean`<br />
+  Tests if this Long's value is even.
+
+* Long#**isNegative**(): `boolean`<br />
+  Tests if this Long's value is negative.
+
+* Long#**isOdd**(): `boolean`<br />
+  Tests if this Long's value is odd.
+
+* Long#**isPositive**(): `boolean`<br />
+  Tests if this Long's value is positive.
+
+* Long#**isZero**/**eqz**(): `boolean`<br />
+  Tests if this Long's value equals zero.
+
+* Long#**lessThan**/**lt**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value is less than the specified's.
+
+* Long#**lessThanOrEqual**/**lte**/**le**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value is less than or equal the specified's.
+
+* Long#**modulo**/**mod**/**rem**(divisor: `Long | number | string`): `Long`<br />
+  Returns this Long modulo the specified.
+
+* Long#**multiply**/**mul**(multiplier: `Long | number | string`): `Long`<br />
+  Returns the product of this and the specified Long.
+
+* Long#**negate**/**neg**(): `Long`<br />
+  Negates this Long's value.
+
+* Long#**not**(): `Long`<br />
+  Returns the bitwise NOT of this Long.
+
+* Long#**notEquals**/**neq**/**ne**(other: `Long | number | string`): `boolean`<br />
+  Tests if this Long's value differs from the specified's.
+
+* Long#**or**(other: `Long | number | string`): `Long`<br />
+  Returns the bitwise OR of this Long and the specified.
+
+* Long#**shiftLeft**/**shl**(numBits: `Long | number | string`): `Long`<br />
+  Returns this Long with bits shifted to the left by the given amount.
+
+* Long#**shiftRight**/**shr**(numBits: `Long | number | string`): `Long`<br />
+  Returns this Long with bits arithmetically shifted to the right by the given amount.
+
+* Long#**shiftRightUnsigned**/**shru**/**shr_u**(numBits: `Long | number | string`): `Long`<br />
+  Returns this Long with bits logically shifted to the right by the given amount.
+
+* Long#**rotateLeft**/**rotl**(numBits: `Long | number | string`): `Long`<br />
+  Returns this Long with bits rotated to the left by the given amount.
+
+* Long#**rotateRight**/**rotr**(numBits: `Long | number | string`): `Long`<br />
+  Returns this Long with bits rotated to the right by the given amount.
+
+* Long#**subtract**/**sub**(subtrahend: `Long | number | string`): `Long`<br />
+  Returns the difference of this and the specified Long.
+
+* Long#**toBytes**(le?: `boolean`): `number[]`<br />
+  Converts this Long to its byte representation.
+
+* Long#**toBytesLE**(): `number[]`<br />
+  Converts this Long to its little endian byte representation.
+
+* Long#**toBytesBE**(): `number[]`<br />
+  Converts this Long to its big endian byte representation.
+
+* Long#**toInt**(): `number`<br />
+  Converts the Long to a 32 bit integer, assuming it is a 32 bit integer.
+
+* Long#**toNumber**(): `number`<br />
+  Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa).
+
+* Long#**toSigned**(): `Long`<br />
+  Converts this Long to signed.
+
+* Long#**toString**(radix?: `number`): `string`<br />
+  Converts the Long to a string written in the specified radix.
+
+* Long#**toUnsigned**(): `Long`<br />
+  Converts this Long to unsigned.
+
+* Long#**xor**(other: `Long | number | string`): `Long`<br />
+  Returns the bitwise XOR of this Long and the given one.
+
+WebAssembly support
+-------------------
+
+[WebAssembly](http://webassembly.org) supports 64-bit integer arithmetic out of the box, hence a [tiny WebAssembly module](./src/wasm.wat) is used to compute operations like multiplication, division and remainder more efficiently (slow operations like division are around twice as fast), falling back to floating point based computations in JavaScript where WebAssembly is not yet supported, e.g., in older versions of node.
+
+Building
+--------
+
+To build an UMD bundle to `dist/long.js`, run:
+
+```
+$> npm install
+$> npm run build
+```
+
+Running the [tests](./tests):
+
+```
+$> npm test
+```
diff --git a/node_modules/@xtuc/long/index.d.ts b/node_modules/@xtuc/long/index.d.ts
new file mode 100644
index 00000000..04dfea61
--- /dev/null
+++ b/node_modules/@xtuc/long/index.d.ts
@@ -0,0 +1,429 @@
+export = Long;
+export as namespace Long;
+
+declare namespace Long { }
+
+declare class Long {
+    /**
+     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as signed integers. See the from* functions below for more convenient ways of constructing Longs.
+     */
+    constructor(low: number, high?: number, unsigned?: boolean);
+
+    /**
+     * Maximum unsigned value.
+     */
+    static MAX_UNSIGNED_VALUE: Long;
+
+    /**
+     * Maximum signed value.
+     */
+    static MAX_VALUE: Long;
+
+    /**
+     * Minimum signed value.
+     */
+    static MIN_VALUE: Long;
+
+    /**
+     * Signed negative one.
+     */
+    static NEG_ONE: Long;
+
+    /**
+     * Signed one.
+     */
+    static ONE: Long;
+
+    /**
+     * Unsigned one.
+     */
+    static UONE: Long;
+
+    /**
+     * Unsigned zero.
+     */
+    static UZERO: Long;
+
+    /**
+     * Signed zero
+     */
+    static ZERO: Long;
+
+    /**
+     * The high 32 bits as a signed value.
+     */
+    high: number;
+
+    /**
+     * The low 32 bits as a signed value.
+     */
+    low: number;
+
+    /**
+     * Whether unsigned or not.
+     */
+    unsigned: boolean;
+
+    /**
+     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is assumed to use 32 bits.
+     */
+    static fromBits(lowBits: number, highBits: number, unsigned?: boolean): Long;
+
+    /**
+     * Returns a Long representing the given 32 bit integer value.
+     */
+    static fromInt(value: number, unsigned?: boolean): Long;
+
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     */
+    static fromNumber(value: number, unsigned?: boolean): Long;
+
+    /**
+     * Returns a Long representation of the given string, written using the specified radix.
+     */
+    static fromString(str: string, unsigned?: boolean | number, radix?: number): Long;
+
+    /**
+     * Creates a Long from its byte representation.
+     */
+    static fromBytes(bytes: number[], unsigned?: boolean, le?: boolean): Long;
+
+    /**
+     * Creates a Long from its little endian byte representation.
+     */
+    static fromBytesLE(bytes: number[], unsigned?: boolean): Long;
+
+    /**
+     * Creates a Long from its big endian byte representation.
+     */
+    static fromBytesBE(bytes: number[], unsigned?: boolean): Long;
+
+    /**
+     * Tests if the specified object is a Long.
+     */
+    static isLong(obj: any): obj is Long;
+
+    /**
+     * Converts the specified value to a Long.
+     */
+    static fromValue(val: Long | number | string | {low: number, high: number, unsigned: boolean}, unsigned?: boolean): Long;
+
+    /**
+     * Returns the sum of this and the specified Long.
+     */
+    add(addend: number | Long | string): Long;
+
+    /**
+     * Returns the bitwise AND of this Long and the specified.
+     */
+    and(other: Long | number | string): Long;
+
+    /**
+     * Compares this Long's value with the specified's.
+     */
+    compare(other: Long | number | string): number;
+
+    /**
+     * Compares this Long's value with the specified's.
+     */
+    comp(other: Long | number | string): number;
+
+    /**
+     * Returns this Long divided by the specified.
+     */
+    divide(divisor: Long | number | string): Long;
+
+    /**
+     * Returns this Long divided by the specified.
+     */
+    div(divisor: Long | number | string): Long;
+
+    /**
+     * Tests if this Long's value equals the specified's.
+     */
+    equals(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value equals the specified's.
+     */
+    eq(other: Long | number | string): boolean;
+
+    /**
+     * Gets the high 32 bits as a signed integer.
+     */
+    getHighBits(): number;
+
+    /**
+     * Gets the high 32 bits as an unsigned integer.
+     */
+    getHighBitsUnsigned(): number;
+
+    /**
+     * Gets the low 32 bits as a signed integer.
+     */
+    getLowBits(): number;
+
+    /**
+     * Gets the low 32 bits as an unsigned integer.
+     */
+    getLowBitsUnsigned(): number;
+
+    /**
+     * Gets the number of bits needed to represent the absolute value of this Long.
+     */
+    getNumBitsAbs(): number;
+
+    /**
+     * Tests if this Long's value is greater than the specified's.
+     */
+    greaterThan(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is greater than the specified's.
+     */
+    gt(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is greater than or equal the specified's.
+     */
+    greaterThanOrEqual(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is greater than or equal the specified's.
+     */
+    gte(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is greater than or equal the specified's.
+     */
+    ge(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is even.
+     */
+    isEven(): boolean;
+
+    /**
+     * Tests if this Long's value is negative.
+     */
+    isNegative(): boolean;
+
+    /**
+     * Tests if this Long's value is odd.
+     */
+    isOdd(): boolean;
+
+    /**
+     * Tests if this Long's value is positive.
+     */
+    isPositive(): boolean;
+
+    /**
+     * Tests if this Long's value equals zero.
+     */
+    isZero(): boolean;
+
+    /**
+     * Tests if this Long's value equals zero.
+     */
+    eqz(): boolean;
+
+    /**
+     * Tests if this Long's value is less than the specified's.
+     */
+    lessThan(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is less than the specified's.
+     */
+    lt(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is less than or equal the specified's.
+     */
+    lessThanOrEqual(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is less than or equal the specified's.
+     */
+    lte(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value is less than or equal the specified's.
+     */
+    le(other: Long | number | string): boolean;
+
+    /**
+     * Returns this Long modulo the specified.
+     */
+    modulo(other: Long | number | string): Long;
+
+    /**
+     * Returns this Long modulo the specified.
+     */
+    mod(other: Long | number | string): Long;
+
+    /**
+     * Returns this Long modulo the specified.
+     */
+    rem(other: Long | number | string): Long;
+
+    /**
+     * Returns the product of this and the specified Long.
+     */
+    multiply(multiplier: Long | number | string): Long;
+
+    /**
+     * Returns the product of this and the specified Long.
+     */
+    mul(multiplier: Long | number | string): Long;
+
+    /**
+     * Negates this Long's value.
+     */
+    negate(): Long;
+
+    /**
+     * Negates this Long's value.
+     */
+    neg(): Long;
+
+    /**
+     * Returns the bitwise NOT of this Long.
+     */
+    not(): Long;
+
+    /**
+     * Tests if this Long's value differs from the specified's.
+     */
+    notEquals(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value differs from the specified's.
+     */
+    neq(other: Long | number | string): boolean;
+
+    /**
+     * Tests if this Long's value differs from the specified's.
+     */
+    ne(other: Long | number | string): boolean;
+
+    /**
+     * Returns the bitwise OR of this Long and the specified.
+     */
+    or(other: Long | number | string): Long;
+
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     */
+    shiftLeft(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     */
+    shl(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     */
+    shiftRight(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     */
+    shr(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     */
+    shiftRightUnsigned(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     */
+    shru(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     */
+    shr_u(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits rotated to the left by the given amount.
+     */
+    rotateLeft(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits rotated to the left by the given amount.
+     */
+    rotl(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits rotated to the right by the given amount.
+     */
+    rotateRight(numBits: number | Long): Long;
+
+    /**
+     * Returns this Long with bits rotated to the right by the given amount.
+     */
+    rotr(numBits: number | Long): Long;
+
+    /**
+     * Returns the difference of this and the specified Long.
+     */
+    subtract(subtrahend: number | Long | string): Long;
+
+    /**
+     * Returns the difference of this and the specified Long.
+     */
+    sub(subtrahend: number | Long |string): Long;
+
+    /**
+     * Converts the Long to a 32 bit integer, assuming it is a 32 bit integer.
+     */
+    toInt(): number;
+
+    /**
+     * Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa).
+     */
+    toNumber(): number;
+
+    /**
+     * Converts this Long to its byte representation.
+     */
+
+    toBytes(le?: boolean): number[];
+
+    /**
+     * Converts this Long to its little endian byte representation.
+     */
+
+    toBytesLE(): number[];
+
+    /**
+     * Converts this Long to its big endian byte representation.
+     */
+
+    toBytesBE(): number[];
+
+    /**
+     * Converts this Long to signed.
+     */
+    toSigned(): Long;
+
+    /**
+     * Converts the Long to a string written in the specified radix.
+     */
+    toString(radix?: number): string;
+
+    /**
+     * Converts this Long to unsigned.
+     */
+    toUnsigned(): Long;
+
+    /**
+     * Returns the bitwise XOR of this Long and the given one.
+     */
+    xor(other: Long | number | string): Long;
+}
diff --git a/node_modules/@xtuc/long/index.js b/node_modules/@xtuc/long/index.js
new file mode 100644
index 00000000..e16857a1
--- /dev/null
+++ b/node_modules/@xtuc/long/index.js
@@ -0,0 +1 @@
+module.exports = require("./src/long");
diff --git a/node_modules/@xtuc/long/package.json b/node_modules/@xtuc/long/package.json
new file mode 100644
index 00000000..648a5bb5
--- /dev/null
+++ b/node_modules/@xtuc/long/package.json
@@ -0,0 +1,36 @@
+{
+    "name": "@xtuc/long",
+    "version": "4.2.2",
+    "author": "Daniel Wirtz <dcode@dcode.io>",
+    "description": "A Long class for representing a 64-bit two's-complement integer value.",
+    "main": "src/long.js",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/dcodeIO/long.js.git"
+    },
+    "bugs": {
+        "url": "https://github.com/dcodeIO/long.js/issues"
+    },
+    "keywords": [
+        "math"
+    ],
+    "dependencies": {},
+    "devDependencies": {
+        "webpack": "^3.10.0"
+    },
+    "license": "Apache-2.0",
+    "scripts": {
+        "build": "webpack",
+        "test": "node tests"
+    },
+    "files": [
+        "index.js",
+        "LICENSE",
+        "README.md",
+        "src/long.js",
+        "dist/long.js",
+        "dist/long.js.map",
+        "index.d.ts"
+    ],
+    "types": "index.d.ts"
+}
diff --git a/node_modules/@xtuc/long/src/long.js b/node_modules/@xtuc/long/src/long.js
new file mode 100644
index 00000000..e1dfd578
--- /dev/null
+++ b/node_modules/@xtuc/long/src/long.js
@@ -0,0 +1,1405 @@
+module.exports = Long;
+
+/**
+ * wasm optimizations, to do native i64 multiplication and divide
+ */
+var wasm = null;
+
+try {
+  wasm = new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([
+    0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11
+  ])), {}).exports;
+} catch (e) {
+  // no wasm support :(
+}
+
+/**
+ * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+ *  See the from* functions below for more convenient ways of constructing Longs.
+ * @exports Long
+ * @class A Long class for representing a 64 bit two's-complement integer value.
+ * @param {number} low The low (signed) 32 bits of the long
+ * @param {number} high The high (signed) 32 bits of the long
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @constructor
+ */
+function Long(low, high, unsigned) {
+
+    /**
+     * The low 32 bits as a signed value.
+     * @type {number}
+     */
+    this.low = low | 0;
+
+    /**
+     * The high 32 bits as a signed value.
+     * @type {number}
+     */
+    this.high = high | 0;
+
+    /**
+     * Whether unsigned or not.
+     * @type {boolean}
+     */
+    this.unsigned = !!unsigned;
+}
+
+// The internal representation of a long is the two given signed, 32-bit values.
+// We use 32-bit pieces because these are the size of integers on which
+// Javascript performs bit-operations.  For operations like addition and
+// multiplication, we split each number into 16 bit pieces, which can easily be
+// multiplied within Javascript's floating-point representation without overflow
+// or change in sign.
+//
+// In the algorithms below, we frequently reduce the negative case to the
+// positive case by negating the input(s) and then post-processing the result.
+// Note that we must ALWAYS check specially whether those values are MIN_VALUE
+// (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+// a positive number, it overflows back into a negative).  Not handling this
+// case would often result in infinite recursion.
+//
+// Common constant values ZERO, ONE, NEG_ONE, etc. are defined below the from*
+// methods on which they depend.
+
+/**
+ * An indicator used to reliably determine if an object is a Long or not.
+ * @type {boolean}
+ * @const
+ * @private
+ */
+Long.prototype.__isLong__;
+
+Object.defineProperty(Long.prototype, "__isLong__", { value: true });
+
+/**
+ * @function
+ * @param {*} obj Object
+ * @returns {boolean}
+ * @inner
+ */
+function isLong(obj) {
+    return (obj && obj["__isLong__"]) === true;
+}
+
+/**
+ * Tests if the specified object is a Long.
+ * @function
+ * @param {*} obj Object
+ * @returns {boolean}
+ */
+Long.isLong = isLong;
+
+/**
+ * A cache of the Long representations of small integer values.
+ * @type {!Object}
+ * @inner
+ */
+var INT_CACHE = {};
+
+/**
+ * A cache of the Long representations of small unsigned integer values.
+ * @type {!Object}
+ * @inner
+ */
+var UINT_CACHE = {};
+
+/**
+ * @param {number} value
+ * @param {boolean=} unsigned
+ * @returns {!Long}
+ * @inner
+ */
+function fromInt(value, unsigned) {
+    var obj, cachedObj, cache;
+    if (unsigned) {
+        value >>>= 0;
+        if (cache = (0 <= value && value < 256)) {
+            cachedObj = UINT_CACHE[value];
+            if (cachedObj)
+                return cachedObj;
+        }
+        obj = fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+        if (cache)
+            UINT_CACHE[value] = obj;
+        return obj;
+    } else {
+        value |= 0;
+        if (cache = (-128 <= value && value < 128)) {
+            cachedObj = INT_CACHE[value];
+            if (cachedObj)
+                return cachedObj;
+        }
+        obj = fromBits(value, value < 0 ? -1 : 0, false);
+        if (cache)
+            INT_CACHE[value] = obj;
+        return obj;
+    }
+}
+
+/**
+ * Returns a Long representing the given 32 bit integer value.
+ * @function
+ * @param {number} value The 32 bit integer in question
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {!Long} The corresponding Long value
+ */
+Long.fromInt = fromInt;
+
+/**
+ * @param {number} value
+ * @param {boolean=} unsigned
+ * @returns {!Long}
+ * @inner
+ */
+function fromNumber(value, unsigned) {
+    if (isNaN(value))
+        return unsigned ? UZERO : ZERO;
+    if (unsigned) {
+        if (value < 0)
+            return UZERO;
+        if (value >= TWO_PWR_64_DBL)
+            return MAX_UNSIGNED_VALUE;
+    } else {
+        if (value <= -TWO_PWR_63_DBL)
+            return MIN_VALUE;
+        if (value + 1 >= TWO_PWR_63_DBL)
+            return MAX_VALUE;
+    }
+    if (value < 0)
+        return fromNumber(-value, unsigned).neg();
+    return fromBits((value % TWO_PWR_32_DBL) | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+}
+
+/**
+ * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+ * @function
+ * @param {number} value The number in question
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {!Long} The corresponding Long value
+ */
+Long.fromNumber = fromNumber;
+
+/**
+ * @param {number} lowBits
+ * @param {number} highBits
+ * @param {boolean=} unsigned
+ * @returns {!Long}
+ * @inner
+ */
+function fromBits(lowBits, highBits, unsigned) {
+    return new Long(lowBits, highBits, unsigned);
+}
+
+/**
+ * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is
+ *  assumed to use 32 bits.
+ * @function
+ * @param {number} lowBits The low 32 bits
+ * @param {number} highBits The high 32 bits
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {!Long} The corresponding Long value
+ */
+Long.fromBits = fromBits;
+
+/**
+ * @function
+ * @param {number} base
+ * @param {number} exponent
+ * @returns {number}
+ * @inner
+ */
+var pow_dbl = Math.pow; // Used 4 times (4*8 to 15+4)
+
+/**
+ * @param {string} str
+ * @param {(boolean|number)=} unsigned
+ * @param {number=} radix
+ * @returns {!Long}
+ * @inner
+ */
+function fromString(str, unsigned, radix) {
+    if (str.length === 0)
+        throw Error('empty string');
+    if (str === "NaN" || str === "Infinity" || str === "+Infinity" || str === "-Infinity")
+        return ZERO;
+    if (typeof unsigned === 'number') {
+        // For goog.math.long compatibility
+        radix = unsigned,
+        unsigned = false;
+    } else {
+        unsigned = !! unsigned;
+    }
+    radix = radix || 10;
+    if (radix < 2 || 36 < radix)
+        throw RangeError('radix');
+
+    var p;
+    if ((p = str.indexOf('-')) > 0)
+        throw Error('interior hyphen');
+    else if (p === 0) {
+        return fromString(str.substring(1), unsigned, radix).neg();
+    }
+
+    // Do several (8) digits each time through the loop, so as to
+    // minimize the calls to the very expensive emulated div.
+    var radixToPower = fromNumber(pow_dbl(radix, 8));
+
+    var result = ZERO;
+    for (var i = 0; i < str.length; i += 8) {
+        var size = Math.min(8, str.length - i),
+            value = parseInt(str.substring(i, i + size), radix);
+        if (size < 8) {
+            var power = fromNumber(pow_dbl(radix, size));
+            result = result.mul(power).add(fromNumber(value));
+        } else {
+            result = result.mul(radixToPower);
+            result = result.add(fromNumber(value));
+        }
+    }
+    result.unsigned = unsigned;
+    return result;
+}
+
+/**
+ * Returns a Long representation of the given string, written using the specified radix.
+ * @function
+ * @param {string} str The textual representation of the Long
+ * @param {(boolean|number)=} unsigned Whether unsigned or not, defaults to signed
+ * @param {number=} radix The radix in which the text is written (2-36), defaults to 10
+ * @returns {!Long} The corresponding Long value
+ */
+Long.fromString = fromString;
+
+/**
+ * @function
+ * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val
+ * @param {boolean=} unsigned
+ * @returns {!Long}
+ * @inner
+ */
+function fromValue(val, unsigned) {
+    if (typeof val === 'number')
+        return fromNumber(val, unsigned);
+    if (typeof val === 'string')
+        return fromString(val, unsigned);
+    // Throws for non-objects, converts non-instanceof Long:
+    return fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+}
+
+/**
+ * Converts the specified value to a Long using the appropriate from* function for its type.
+ * @function
+ * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val Value
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {!Long}
+ */
+Long.fromValue = fromValue;
+
+// NOTE: the compiler should inline these constant values below and then remove these variables, so there should be
+// no runtime penalty for these.
+
+/**
+ * @type {number}
+ * @const
+ * @inner
+ */
+var TWO_PWR_16_DBL = 1 << 16;
+
+/**
+ * @type {number}
+ * @const
+ * @inner
+ */
+var TWO_PWR_24_DBL = 1 << 24;
+
+/**
+ * @type {number}
+ * @const
+ * @inner
+ */
+var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+
+/**
+ * @type {number}
+ * @const
+ * @inner
+ */
+var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+
+/**
+ * @type {number}
+ * @const
+ * @inner
+ */
+var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+
+/**
+ * @type {!Long}
+ * @const
+ * @inner
+ */
+var TWO_PWR_24 = fromInt(TWO_PWR_24_DBL);
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var ZERO = fromInt(0);
+
+/**
+ * Signed zero.
+ * @type {!Long}
+ */
+Long.ZERO = ZERO;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var UZERO = fromInt(0, true);
+
+/**
+ * Unsigned zero.
+ * @type {!Long}
+ */
+Long.UZERO = UZERO;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var ONE = fromInt(1);
+
+/**
+ * Signed one.
+ * @type {!Long}
+ */
+Long.ONE = ONE;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var UONE = fromInt(1, true);
+
+/**
+ * Unsigned one.
+ * @type {!Long}
+ */
+Long.UONE = UONE;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var NEG_ONE = fromInt(-1);
+
+/**
+ * Signed negative one.
+ * @type {!Long}
+ */
+Long.NEG_ONE = NEG_ONE;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var MAX_VALUE = fromBits(0xFFFFFFFF|0, 0x7FFFFFFF|0, false);
+
+/**
+ * Maximum signed value.
+ * @type {!Long}
+ */
+Long.MAX_VALUE = MAX_VALUE;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var MAX_UNSIGNED_VALUE = fromBits(0xFFFFFFFF|0, 0xFFFFFFFF|0, true);
+
+/**
+ * Maximum unsigned value.
+ * @type {!Long}
+ */
+Long.MAX_UNSIGNED_VALUE = MAX_UNSIGNED_VALUE;
+
+/**
+ * @type {!Long}
+ * @inner
+ */
+var MIN_VALUE = fromBits(0, 0x80000000|0, false);
+
+/**
+ * Minimum signed value.
+ * @type {!Long}
+ */
+Long.MIN_VALUE = MIN_VALUE;
+
+/**
+ * @alias Long.prototype
+ * @inner
+ */
+var LongPrototype = Long.prototype;
+
+/**
+ * Converts the Long to a 32 bit integer, assuming it is a 32 bit integer.
+ * @this {!Long}
+ * @returns {number}
+ */
+LongPrototype.toInt = function toInt() {
+    return this.unsigned ? this.low >>> 0 : this.low;
+};
+
+/**
+ * Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa).
+ * @this {!Long}
+ * @returns {number}
+ */
+LongPrototype.toNumber = function toNumber() {
+    if (this.unsigned)
+        return ((this.high >>> 0) * TWO_PWR_32_DBL) + (this.low >>> 0);
+    return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+};
+
+/**
+ * Converts the Long to a string written in the specified radix.
+ * @this {!Long}
+ * @param {number=} radix Radix (2-36), defaults to 10
+ * @returns {string}
+ * @override
+ * @throws {RangeError} If `radix` is out of range
+ */
+LongPrototype.toString = function toString(radix) {
+    radix = radix || 10;
+    if (radix < 2 || 36 < radix)
+        throw RangeError('radix');
+    if (this.isZero())
+        return '0';
+    if (this.isNegative()) { // Unsigned Longs are never negative
+        if (this.eq(MIN_VALUE)) {
+            // We need to change the Long value before it can be negated, so we remove
+            // the bottom-most digit in this base and then recurse to do the rest.
+            var radixLong = fromNumber(radix),
+                div = this.div(radixLong),
+                rem1 = div.mul(radixLong).sub(this);
+            return div.toString(radix) + rem1.toInt().toString(radix);
+        } else
+            return '-' + this.neg().toString(radix);
+    }
+
+    // Do several (6) digits each time through the loop, so as to
+    // minimize the calls to the very expensive emulated div.
+    var radixToPower = fromNumber(pow_dbl(radix, 6), this.unsigned),
+        rem = this;
+    var result = '';
+    while (true) {
+        var remDiv = rem.div(radixToPower),
+            intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0,
+            digits = intval.toString(radix);
+        rem = remDiv;
+        if (rem.isZero())
+            return digits + result;
+        else {
+            while (digits.length < 6)
+                digits = '0' + digits;
+            result = '' + digits + result;
+        }
+    }
+};
+
+/**
+ * Gets the high 32 bits as a signed integer.
+ * @this {!Long}
+ * @returns {number} Signed high bits
+ */
+LongPrototype.getHighBits = function getHighBits() {
+    return this.high;
+};
+
+/**
+ * Gets the high 32 bits as an unsigned integer.
+ * @this {!Long}
+ * @returns {number} Unsigned high bits
+ */
+LongPrototype.getHighBitsUnsigned = function getHighBitsUnsigned() {
+    return this.high >>> 0;
+};
+
+/**
+ * Gets the low 32 bits as a signed integer.
+ * @this {!Long}
+ * @returns {number} Signed low bits
+ */
+LongPrototype.getLowBits = function getLowBits() {
+    return this.low;
+};
+
+/**
+ * Gets the low 32 bits as an unsigned integer.
+ * @this {!Long}
+ * @returns {number} Unsigned low bits
+ */
+LongPrototype.getLowBitsUnsigned = function getLowBitsUnsigned() {
+    return this.low >>> 0;
+};
+
+/**
+ * Gets the number of bits needed to represent the absolute value of this Long.
+ * @this {!Long}
+ * @returns {number}
+ */
+LongPrototype.getNumBitsAbs = function getNumBitsAbs() {
+    if (this.isNegative()) // Unsigned Longs are never negative
+        return this.eq(MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+    var val = this.high != 0 ? this.high : this.low;
+    for (var bit = 31; bit > 0; bit--)
+        if ((val & (1 << bit)) != 0)
+            break;
+    return this.high != 0 ? bit + 33 : bit + 1;
+};
+
+/**
+ * Tests if this Long's value equals zero.
+ * @this {!Long}
+ * @returns {boolean}
+ */
+LongPrototype.isZero = function isZero() {
+    return this.high === 0 && this.low === 0;
+};
+
+/**
+ * Tests if this Long's value equals zero. This is an alias of {@link Long#isZero}.
+ * @returns {boolean}
+ */
+LongPrototype.eqz = LongPrototype.isZero;
+
+/**
+ * Tests if this Long's value is negative.
+ * @this {!Long}
+ * @returns {boolean}
+ */
+LongPrototype.isNegative = function isNegative() {
+    return !this.unsigned && this.high < 0;
+};
+
+/**
+ * Tests if this Long's value is positive.
+ * @this {!Long}
+ * @returns {boolean}
+ */
+LongPrototype.isPositive = function isPositive() {
+    return this.unsigned || this.high >= 0;
+};
+
+/**
+ * Tests if this Long's value is odd.
+ * @this {!Long}
+ * @returns {boolean}
+ */
+LongPrototype.isOdd = function isOdd() {
+    return (this.low & 1) === 1;
+};
+
+/**
+ * Tests if this Long's value is even.
+ * @this {!Long}
+ * @returns {boolean}
+ */
+LongPrototype.isEven = function isEven() {
+    return (this.low & 1) === 0;
+};
+
+/**
+ * Tests if this Long's value equals the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.equals = function equals(other) {
+    if (!isLong(other))
+        other = fromValue(other);
+    if (this.unsigned !== other.unsigned && (this.high >>> 31) === 1 && (other.high >>> 31) === 1)
+        return false;
+    return this.high === other.high && this.low === other.low;
+};
+
+/**
+ * Tests if this Long's value equals the specified's. This is an alias of {@link Long#equals}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.eq = LongPrototype.equals;
+
+/**
+ * Tests if this Long's value differs from the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.notEquals = function notEquals(other) {
+    return !this.eq(/* validates */ other);
+};
+
+/**
+ * Tests if this Long's value differs from the specified's. This is an alias of {@link Long#notEquals}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.neq = LongPrototype.notEquals;
+
+/**
+ * Tests if this Long's value differs from the specified's. This is an alias of {@link Long#notEquals}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.ne = LongPrototype.notEquals;
+
+/**
+ * Tests if this Long's value is less than the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.lessThan = function lessThan(other) {
+    return this.comp(/* validates */ other) < 0;
+};
+
+/**
+ * Tests if this Long's value is less than the specified's. This is an alias of {@link Long#lessThan}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.lt = LongPrototype.lessThan;
+
+/**
+ * Tests if this Long's value is less than or equal the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.lessThanOrEqual = function lessThanOrEqual(other) {
+    return this.comp(/* validates */ other) <= 0;
+};
+
+/**
+ * Tests if this Long's value is less than or equal the specified's. This is an alias of {@link Long#lessThanOrEqual}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.lte = LongPrototype.lessThanOrEqual;
+
+/**
+ * Tests if this Long's value is less than or equal the specified's. This is an alias of {@link Long#lessThanOrEqual}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.le = LongPrototype.lessThanOrEqual;
+
+/**
+ * Tests if this Long's value is greater than the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.greaterThan = function greaterThan(other) {
+    return this.comp(/* validates */ other) > 0;
+};
+
+/**
+ * Tests if this Long's value is greater than the specified's. This is an alias of {@link Long#greaterThan}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.gt = LongPrototype.greaterThan;
+
+/**
+ * Tests if this Long's value is greater than or equal the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.greaterThanOrEqual = function greaterThanOrEqual(other) {
+    return this.comp(/* validates */ other) >= 0;
+};
+
+/**
+ * Tests if this Long's value is greater than or equal the specified's. This is an alias of {@link Long#greaterThanOrEqual}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.gte = LongPrototype.greaterThanOrEqual;
+
+/**
+ * Tests if this Long's value is greater than or equal the specified's. This is an alias of {@link Long#greaterThanOrEqual}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {boolean}
+ */
+LongPrototype.ge = LongPrototype.greaterThanOrEqual;
+
+/**
+ * Compares this Long's value with the specified's.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other value
+ * @returns {number} 0 if they are the same, 1 if the this is greater and -1
+ *  if the given one is greater
+ */
+LongPrototype.compare = function compare(other) {
+    if (!isLong(other))
+        other = fromValue(other);
+    if (this.eq(other))
+        return 0;
+    var thisNeg = this.isNegative(),
+        otherNeg = other.isNegative();
+    if (thisNeg && !otherNeg)
+        return -1;
+    if (!thisNeg && otherNeg)
+        return 1;
+    // At this point the sign bits are the same
+    if (!this.unsigned)
+        return this.sub(other).isNegative() ? -1 : 1;
+    // Both are positive if at least one is unsigned
+    return (other.high >>> 0) > (this.high >>> 0) || (other.high === this.high && (other.low >>> 0) > (this.low >>> 0)) ? -1 : 1;
+};
+
+/**
+ * Compares this Long's value with the specified's. This is an alias of {@link Long#compare}.
+ * @function
+ * @param {!Long|number|string} other Other value
+ * @returns {number} 0 if they are the same, 1 if the this is greater and -1
+ *  if the given one is greater
+ */
+LongPrototype.comp = LongPrototype.compare;
+
+/**
+ * Negates this Long's value.
+ * @this {!Long}
+ * @returns {!Long} Negated Long
+ */
+LongPrototype.negate = function negate() {
+    if (!this.unsigned && this.eq(MIN_VALUE))
+        return MIN_VALUE;
+    return this.not().add(ONE);
+};
+
+/**
+ * Negates this Long's value. This is an alias of {@link Long#negate}.
+ * @function
+ * @returns {!Long} Negated Long
+ */
+LongPrototype.neg = LongPrototype.negate;
+
+/**
+ * Returns the sum of this and the specified Long.
+ * @this {!Long}
+ * @param {!Long|number|string} addend Addend
+ * @returns {!Long} Sum
+ */
+LongPrototype.add = function add(addend) {
+    if (!isLong(addend))
+        addend = fromValue(addend);
+
+    // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+
+    var a48 = this.high >>> 16;
+    var a32 = this.high & 0xFFFF;
+    var a16 = this.low >>> 16;
+    var a00 = this.low & 0xFFFF;
+
+    var b48 = addend.high >>> 16;
+    var b32 = addend.high & 0xFFFF;
+    var b16 = addend.low >>> 16;
+    var b00 = addend.low & 0xFFFF;
+
+    var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+    c00 += a00 + b00;
+    c16 += c00 >>> 16;
+    c00 &= 0xFFFF;
+    c16 += a16 + b16;
+    c32 += c16 >>> 16;
+    c16 &= 0xFFFF;
+    c32 += a32 + b32;
+    c48 += c32 >>> 16;
+    c32 &= 0xFFFF;
+    c48 += a48 + b48;
+    c48 &= 0xFFFF;
+    return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+};
+
+/**
+ * Returns the difference of this and the specified Long.
+ * @this {!Long}
+ * @param {!Long|number|string} subtrahend Subtrahend
+ * @returns {!Long} Difference
+ */
+LongPrototype.subtract = function subtract(subtrahend) {
+    if (!isLong(subtrahend))
+        subtrahend = fromValue(subtrahend);
+    return this.add(subtrahend.neg());
+};
+
+/**
+ * Returns the difference of this and the specified Long. This is an alias of {@link Long#subtract}.
+ * @function
+ * @param {!Long|number|string} subtrahend Subtrahend
+ * @returns {!Long} Difference
+ */
+LongPrototype.sub = LongPrototype.subtract;
+
+/**
+ * Returns the product of this and the specified Long.
+ * @this {!Long}
+ * @param {!Long|number|string} multiplier Multiplier
+ * @returns {!Long} Product
+ */
+LongPrototype.multiply = function multiply(multiplier) {
+    if (this.isZero())
+        return ZERO;
+    if (!isLong(multiplier))
+        multiplier = fromValue(multiplier);
+
+    // use wasm support if present
+    if (wasm) {
+        var low = wasm["mul"](this.low,
+                              this.high,
+                              multiplier.low,
+                              multiplier.high);
+        return fromBits(low, wasm["get_high"](), this.unsigned);
+    }
+
+    if (multiplier.isZero())
+        return ZERO;
+    if (this.eq(MIN_VALUE))
+        return multiplier.isOdd() ? MIN_VALUE : ZERO;
+    if (multiplier.eq(MIN_VALUE))
+        return this.isOdd() ? MIN_VALUE : ZERO;
+
+    if (this.isNegative()) {
+        if (multiplier.isNegative())
+            return this.neg().mul(multiplier.neg());
+        else
+            return this.neg().mul(multiplier).neg();
+    } else if (multiplier.isNegative())
+        return this.mul(multiplier.neg()).neg();
+
+    // If both longs are small, use float multiplication
+    if (this.lt(TWO_PWR_24) && multiplier.lt(TWO_PWR_24))
+        return fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+
+    // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+    // We can skip products that would overflow.
+
+    var a48 = this.high >>> 16;
+    var a32 = this.high & 0xFFFF;
+    var a16 = this.low >>> 16;
+    var a00 = this.low & 0xFFFF;
+
+    var b48 = multiplier.high >>> 16;
+    var b32 = multiplier.high & 0xFFFF;
+    var b16 = multiplier.low >>> 16;
+    var b00 = multiplier.low & 0xFFFF;
+
+    var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+    c00 += a00 * b00;
+    c16 += c00 >>> 16;
+    c00 &= 0xFFFF;
+    c16 += a16 * b00;
+    c32 += c16 >>> 16;
+    c16 &= 0xFFFF;
+    c16 += a00 * b16;
+    c32 += c16 >>> 16;
+    c16 &= 0xFFFF;
+    c32 += a32 * b00;
+    c48 += c32 >>> 16;
+    c32 &= 0xFFFF;
+    c32 += a16 * b16;
+    c48 += c32 >>> 16;
+    c32 &= 0xFFFF;
+    c32 += a00 * b32;
+    c48 += c32 >>> 16;
+    c32 &= 0xFFFF;
+    c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+    c48 &= 0xFFFF;
+    return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+};
+
+/**
+ * Returns the product of this and the specified Long. This is an alias of {@link Long#multiply}.
+ * @function
+ * @param {!Long|number|string} multiplier Multiplier
+ * @returns {!Long} Product
+ */
+LongPrototype.mul = LongPrototype.multiply;
+
+/**
+ * Returns this Long divided by the specified. The result is signed if this Long is signed or
+ *  unsigned if this Long is unsigned.
+ * @this {!Long}
+ * @param {!Long|number|string} divisor Divisor
+ * @returns {!Long} Quotient
+ */
+LongPrototype.divide = function divide(divisor) {
+    if (!isLong(divisor))
+        divisor = fromValue(divisor);
+    if (divisor.isZero())
+        throw Error('division by zero');
+
+    // use wasm support if present
+    if (wasm) {
+        // guard against signed division overflow: the largest
+        // negative number / -1 would be 1 larger than the largest
+        // positive number, due to two's complement.
+        if (!this.unsigned &&
+            this.high === -0x80000000 &&
+            divisor.low === -1 && divisor.high === -1) {
+            // be consistent with non-wasm code path
+            return this;
+        }
+        var low = (this.unsigned ? wasm["div_u"] : wasm["div_s"])(
+            this.low,
+            this.high,
+            divisor.low,
+            divisor.high
+        );
+        return fromBits(low, wasm["get_high"](), this.unsigned);
+    }
+
+    if (this.isZero())
+        return this.unsigned ? UZERO : ZERO;
+    var approx, rem, res;
+    if (!this.unsigned) {
+        // This section is only relevant for signed longs and is derived from the
+        // closure library as a whole.
+        if (this.eq(MIN_VALUE)) {
+            if (divisor.eq(ONE) || divisor.eq(NEG_ONE))
+                return MIN_VALUE;  // recall that -MIN_VALUE == MIN_VALUE
+            else if (divisor.eq(MIN_VALUE))
+                return ONE;
+            else {
+                // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+                var halfThis = this.shr(1);
+                approx = halfThis.div(divisor).shl(1);
+                if (approx.eq(ZERO)) {
+                    return divisor.isNegative() ? ONE : NEG_ONE;
+                } else {
+                    rem = this.sub(divisor.mul(approx));
+                    res = approx.add(rem.div(divisor));
+                    return res;
+                }
+            }
+        } else if (divisor.eq(MIN_VALUE))
+            return this.unsigned ? UZERO : ZERO;
+        if (this.isNegative()) {
+            if (divisor.isNegative())
+                return this.neg().div(divisor.neg());
+            return this.neg().div(divisor).neg();
+        } else if (divisor.isNegative())
+            return this.div(divisor.neg()).neg();
+        res = ZERO;
+    } else {
+        // The algorithm below has not been made for unsigned longs. It's therefore
+        // required to take special care of the MSB prior to running it.
+        if (!divisor.unsigned)
+            divisor = divisor.toUnsigned();
+        if (divisor.gt(this))
+            return UZERO;
+        if (divisor.gt(this.shru(1))) // 15 >>> 1 = 7 ; with divisor = 8 ; true
+            return UONE;
+        res = UZERO;
+    }
+
+    // Repeat the following until the remainder is less than other:  find a
+    // floating-point that approximates remainder / other *from below*, add this
+    // into the result, and subtract it from the remainder.  It is critical that
+    // the approximate value is less than or equal to the real value so that the
+    // remainder never becomes negative.
+    rem = this;
+    while (rem.gte(divisor)) {
+        // Approximate the result of division. This may be a little greater or
+        // smaller than the actual value.
+        approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+
+        // We will tweak the approximate result by changing it in the 48-th digit or
+        // the smallest non-fractional digit, whichever is larger.
+        var log2 = Math.ceil(Math.log(approx) / Math.LN2),
+            delta = (log2 <= 48) ? 1 : pow_dbl(2, log2 - 48),
+
+        // Decrease the approximation until it is smaller than the remainder.  Note
+        // that if it is too large, the product overflows and is negative.
+            approxRes = fromNumber(approx),
+            approxRem = approxRes.mul(divisor);
+        while (approxRem.isNegative() || approxRem.gt(rem)) {
+            approx -= delta;
+            approxRes = fromNumber(approx, this.unsigned);
+            approxRem = approxRes.mul(divisor);
+        }
+
+        // We know the answer can't be zero... and actually, zero would cause
+        // infinite recursion since we would make no progress.
+        if (approxRes.isZero())
+            approxRes = ONE;
+
+        res = res.add(approxRes);
+        rem = rem.sub(approxRem);
+    }
+    return res;
+};
+
+/**
+ * Returns this Long divided by the specified. This is an alias of {@link Long#divide}.
+ * @function
+ * @param {!Long|number|string} divisor Divisor
+ * @returns {!Long} Quotient
+ */
+LongPrototype.div = LongPrototype.divide;
+
+/**
+ * Returns this Long modulo the specified.
+ * @this {!Long}
+ * @param {!Long|number|string} divisor Divisor
+ * @returns {!Long} Remainder
+ */
+LongPrototype.modulo = function modulo(divisor) {
+    if (!isLong(divisor))
+        divisor = fromValue(divisor);
+
+    // use wasm support if present
+    if (wasm) {
+        var low = (this.unsigned ? wasm["rem_u"] : wasm["rem_s"])(
+            this.low,
+            this.high,
+            divisor.low,
+            divisor.high
+        );
+        return fromBits(low, wasm["get_high"](), this.unsigned);
+    }
+
+    return this.sub(this.div(divisor).mul(divisor));
+};
+
+/**
+ * Returns this Long modulo the specified. This is an alias of {@link Long#modulo}.
+ * @function
+ * @param {!Long|number|string} divisor Divisor
+ * @returns {!Long} Remainder
+ */
+LongPrototype.mod = LongPrototype.modulo;
+
+/**
+ * Returns this Long modulo the specified. This is an alias of {@link Long#modulo}.
+ * @function
+ * @param {!Long|number|string} divisor Divisor
+ * @returns {!Long} Remainder
+ */
+LongPrototype.rem = LongPrototype.modulo;
+
+/**
+ * Returns the bitwise NOT of this Long.
+ * @this {!Long}
+ * @returns {!Long}
+ */
+LongPrototype.not = function not() {
+    return fromBits(~this.low, ~this.high, this.unsigned);
+};
+
+/**
+ * Returns the bitwise AND of this Long and the specified.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other Long
+ * @returns {!Long}
+ */
+LongPrototype.and = function and(other) {
+    if (!isLong(other))
+        other = fromValue(other);
+    return fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+};
+
+/**
+ * Returns the bitwise OR of this Long and the specified.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other Long
+ * @returns {!Long}
+ */
+LongPrototype.or = function or(other) {
+    if (!isLong(other))
+        other = fromValue(other);
+    return fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+};
+
+/**
+ * Returns the bitwise XOR of this Long and the given one.
+ * @this {!Long}
+ * @param {!Long|number|string} other Other Long
+ * @returns {!Long}
+ */
+LongPrototype.xor = function xor(other) {
+    if (!isLong(other))
+        other = fromValue(other);
+    return fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+};
+
+/**
+ * Returns this Long with bits shifted to the left by the given amount.
+ * @this {!Long}
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shiftLeft = function shiftLeft(numBits) {
+    if (isLong(numBits))
+        numBits = numBits.toInt();
+    if ((numBits &= 63) === 0)
+        return this;
+    else if (numBits < 32)
+        return fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+    else
+        return fromBits(0, this.low << (numBits - 32), this.unsigned);
+};
+
+/**
+ * Returns this Long with bits shifted to the left by the given amount. This is an alias of {@link Long#shiftLeft}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shl = LongPrototype.shiftLeft;
+
+/**
+ * Returns this Long with bits arithmetically shifted to the right by the given amount.
+ * @this {!Long}
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shiftRight = function shiftRight(numBits) {
+    if (isLong(numBits))
+        numBits = numBits.toInt();
+    if ((numBits &= 63) === 0)
+        return this;
+    else if (numBits < 32)
+        return fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+    else
+        return fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+};
+
+/**
+ * Returns this Long with bits arithmetically shifted to the right by the given amount. This is an alias of {@link Long#shiftRight}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shr = LongPrototype.shiftRight;
+
+/**
+ * Returns this Long with bits logically shifted to the right by the given amount.
+ * @this {!Long}
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shiftRightUnsigned = function shiftRightUnsigned(numBits) {
+    if (isLong(numBits)) numBits = numBits.toInt();
+    if ((numBits &= 63) === 0) return this;
+    if (numBits < 32) return fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >>> numBits, this.unsigned);
+    if (numBits === 32) return fromBits(this.high, 0, this.unsigned);
+    return fromBits(this.high >>> (numBits - 32), 0, this.unsigned);
+};
+
+/**
+ * Returns this Long with bits logically shifted to the right by the given amount. This is an alias of {@link Long#shiftRightUnsigned}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shru = LongPrototype.shiftRightUnsigned;
+
+/**
+ * Returns this Long with bits logically shifted to the right by the given amount. This is an alias of {@link Long#shiftRightUnsigned}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Shifted Long
+ */
+LongPrototype.shr_u = LongPrototype.shiftRightUnsigned;
+
+/**
+ * Returns this Long with bits rotated to the left by the given amount.
+ * @this {!Long}
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Rotated Long
+ */
+LongPrototype.rotateLeft = function rotateLeft(numBits) {
+    var b;
+    if (isLong(numBits)) numBits = numBits.toInt();
+    if ((numBits &= 63) === 0) return this;
+    if (numBits === 32) return fromBits(this.high, this.low, this.unsigned);
+    if (numBits < 32) {
+        b = (32 - numBits);
+        return fromBits(((this.low << numBits) | (this.high >>> b)), ((this.high << numBits) | (this.low >>> b)), this.unsigned);
+    }
+    numBits -= 32;
+    b = (32 - numBits);
+    return fromBits(((this.high << numBits) | (this.low >>> b)), ((this.low << numBits) | (this.high >>> b)), this.unsigned);
+}
+/**
+ * Returns this Long with bits rotated to the left by the given amount. This is an alias of {@link Long#rotateLeft}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Rotated Long
+ */
+LongPrototype.rotl = LongPrototype.rotateLeft;
+
+/**
+ * Returns this Long with bits rotated to the right by the given amount.
+ * @this {!Long}
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Rotated Long
+ */
+LongPrototype.rotateRight = function rotateRight(numBits) {
+    var b;
+    if (isLong(numBits)) numBits = numBits.toInt();
+    if ((numBits &= 63) === 0) return this;
+    if (numBits === 32) return fromBits(this.high, this.low, this.unsigned);
+    if (numBits < 32) {
+        b = (32 - numBits);
+        return fromBits(((this.high << b) | (this.low >>> numBits)), ((this.low << b) | (this.high >>> numBits)), this.unsigned);
+    }
+    numBits -= 32;
+    b = (32 - numBits);
+    return fromBits(((this.low << b) | (this.high >>> numBits)), ((this.high << b) | (this.low >>> numBits)), this.unsigned);
+}
+/**
+ * Returns this Long with bits rotated to the right by the given amount. This is an alias of {@link Long#rotateRight}.
+ * @function
+ * @param {number|!Long} numBits Number of bits
+ * @returns {!Long} Rotated Long
+ */
+LongPrototype.rotr = LongPrototype.rotateRight;
+
+/**
+ * Converts this Long to signed.
+ * @this {!Long}
+ * @returns {!Long} Signed long
+ */
+LongPrototype.toSigned = function toSigned() {
+    if (!this.unsigned)
+        return this;
+    return fromBits(this.low, this.high, false);
+};
+
+/**
+ * Converts this Long to unsigned.
+ * @this {!Long}
+ * @returns {!Long} Unsigned long
+ */
+LongPrototype.toUnsigned = function toUnsigned() {
+    if (this.unsigned)
+        return this;
+    return fromBits(this.low, this.high, true);
+};
+
+/**
+ * Converts this Long to its byte representation.
+ * @param {boolean=} le Whether little or big endian, defaults to big endian
+ * @this {!Long}
+ * @returns {!Array.<number>} Byte representation
+ */
+LongPrototype.toBytes = function toBytes(le) {
+    return le ? this.toBytesLE() : this.toBytesBE();
+};
+
+/**
+ * Converts this Long to its little endian byte representation.
+ * @this {!Long}
+ * @returns {!Array.<number>} Little endian byte representation
+ */
+LongPrototype.toBytesLE = function toBytesLE() {
+    var hi = this.high,
+        lo = this.low;
+    return [
+        lo        & 0xff,
+        lo >>>  8 & 0xff,
+        lo >>> 16 & 0xff,
+        lo >>> 24       ,
+        hi        & 0xff,
+        hi >>>  8 & 0xff,
+        hi >>> 16 & 0xff,
+        hi >>> 24
+    ];
+};
+
+/**
+ * Converts this Long to its big endian byte representation.
+ * @this {!Long}
+ * @returns {!Array.<number>} Big endian byte representation
+ */
+LongPrototype.toBytesBE = function toBytesBE() {
+    var hi = this.high,
+        lo = this.low;
+    return [
+        hi >>> 24       ,
+        hi >>> 16 & 0xff,
+        hi >>>  8 & 0xff,
+        hi        & 0xff,
+        lo >>> 24       ,
+        lo >>> 16 & 0xff,
+        lo >>>  8 & 0xff,
+        lo        & 0xff
+    ];
+};
+
+/**
+ * Creates a Long from its byte representation.
+ * @param {!Array.<number>} bytes Byte representation
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @param {boolean=} le Whether little or big endian, defaults to big endian
+ * @returns {Long} The corresponding Long value
+ */
+Long.fromBytes = function fromBytes(bytes, unsigned, le) {
+    return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+};
+
+/**
+ * Creates a Long from its little endian byte representation.
+ * @param {!Array.<number>} bytes Little endian byte representation
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {Long} The corresponding Long value
+ */
+Long.fromBytesLE = function fromBytesLE(bytes, unsigned) {
+    return new Long(
+        bytes[0]       |
+        bytes[1] <<  8 |
+        bytes[2] << 16 |
+        bytes[3] << 24,
+        bytes[4]       |
+        bytes[5] <<  8 |
+        bytes[6] << 16 |
+        bytes[7] << 24,
+        unsigned
+    );
+};
+
+/**
+ * Creates a Long from its big endian byte representation.
+ * @param {!Array.<number>} bytes Big endian byte representation
+ * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
+ * @returns {Long} The corresponding Long value
+ */
+Long.fromBytesBE = function fromBytesBE(bytes, unsigned) {
+    return new Long(
+        bytes[4] << 24 |
+        bytes[5] << 16 |
+        bytes[6] <<  8 |
+        bytes[7],
+        bytes[0] << 24 |
+        bytes[1] << 16 |
+        bytes[2] <<  8 |
+        bytes[3],
+        unsigned
+    );
+};
diff --git a/node_modules/acorn/CHANGELOG.md b/node_modules/acorn/CHANGELOG.md
new file mode 100644
index 00000000..1438da67
--- /dev/null
+++ b/node_modules/acorn/CHANGELOG.md
@@ -0,0 +1,550 @@
+## 6.4.0 (2019-11-26)
+
+### New features
+
+Add a static `acorn` property to the `Parser` class that contains the entire module interface, to allow plugins to access the instance of the library that they are acting on.
+
+## 6.3.0 (2019-08-12)
+
+### New features
+
+`sourceType: "module"` can now be used even when `ecmaVersion` is less than 6, to parse module-style code that otherwise conforms to an older standard.
+
+## 6.2.1 (2019-07-21)
+
+### Bug fixes
+
+Fix bug causing Acorn to treat some characters as identifier characters that shouldn't be treated as such.
+
+Fix issue where setting the `allowReserved` option to `"never"` allowed reserved words in some circumstances.
+
+## 6.2.0 (2019-07-04)
+
+### Bug fixes
+
+Improve valid assignment checking in `for`/`in` and `for`/`of` loops.
+
+Disallow binding `let` in patterns.
+
+### New features
+
+Support bigint syntax with `ecmaVersion` >= 10.
+
+Support dynamic `import` syntax with `ecmaVersion` >= 10.
+
+Upgrade to Unicode version 12.
+
+## 6.1.1 (2019-02-27)
+
+### Bug fixes
+
+Fix bug that caused parsing default exports of with names to fail.
+
+## 6.1.0 (2019-02-08)
+
+### Bug fixes
+
+Fix scope checking when redefining a `var` as a lexical binding.
+
+### New features
+
+Split up `parseSubscripts` to use an internal `parseSubscript` method to make it easier to extend with plugins.
+
+## 6.0.7 (2019-02-04)
+
+### Bug fixes
+
+Check that exported bindings are defined.
+
+Don't treat `\u180e` as a whitespace character.
+
+Check for duplicate parameter names in methods.
+
+Don't allow shorthand properties when they are generators or async methods.
+
+Forbid binding `await` in async arrow function's parameter list.
+
+## 6.0.6 (2019-01-30)
+
+### Bug fixes
+
+The content of class declarations and expressions is now always parsed in strict mode.
+
+Don't allow `let` or `const` to bind the variable name `let`.
+
+Treat class declarations as lexical.
+
+Don't allow a generator function declaration as the sole body of an `if` or `else`.
+
+Ignore `"use strict"` when after an empty statement.
+
+Allow string line continuations with special line terminator characters.
+
+Treat `for` bodies as part of the `for` scope when checking for conflicting bindings.
+
+Fix bug with parsing `yield` in a `for` loop initializer.
+
+Implement special cases around scope checking for functions.
+
+## 6.0.5 (2019-01-02)
+
+### Bug fixes
+
+Fix TypeScript type for `Parser.extend` and add `allowAwaitOutsideFunction` to options type.
+
+Don't treat `let` as a keyword when the next token is `{` on the next line.
+
+Fix bug that broke checking for parentheses around an object pattern in a destructuring assignment when `preserveParens` was on.
+
+## 6.0.4 (2018-11-05)
+
+### Bug fixes
+
+Further improvements to tokenizing regular expressions in corner cases.
+
+## 6.0.3 (2018-11-04)
+
+### Bug fixes
+
+Fix bug in tokenizing an expression-less return followed by a function followed by a regular expression.
+
+Remove stray symlink in the package tarball.
+
+## 6.0.2 (2018-09-26)
+
+### Bug fixes
+
+Fix bug where default expressions could fail to parse inside an object destructuring assignment expression.
+
+## 6.0.1 (2018-09-14)
+
+### Bug fixes
+
+Fix wrong value in `version` export.
+
+## 6.0.0 (2018-09-14)
+
+### Bug fixes
+
+Better handle variable-redefinition checks for catch bindings and functions directly under if statements.
+
+Forbid `new.target` in top-level arrow functions.
+
+Fix issue with parsing a regexp after `yield` in some contexts.
+
+### New features
+
+The package now comes with TypeScript definitions.
+
+### Breaking changes
+
+The default value of the `ecmaVersion` option is now 9 (2018).
+
+Plugins work differently, and will have to be rewritten to work with this version.
+
+The loose parser and walker have been moved into separate packages (`acorn-loose` and `acorn-walk`).
+
+## 5.7.3 (2018-09-10)
+
+### Bug fixes
+
+Fix failure to tokenize regexps after expressions like `x.of`.
+
+Better error message for unterminated template literals.
+
+## 5.7.2 (2018-08-24)
+
+### Bug fixes
+
+Properly handle `allowAwaitOutsideFunction` in for statements.
+
+Treat function declarations at the top level of modules like let bindings.
+
+Don't allow async function declarations as the only statement under a label.
+
+## 5.7.0 (2018-06-15)
+
+### New features
+
+Upgraded to Unicode 11.
+
+## 5.6.0 (2018-05-31)
+
+### New features
+
+Allow U+2028 and U+2029 in string when ECMAVersion >= 10.
+
+Allow binding-less catch statements when ECMAVersion >= 10.
+
+Add `allowAwaitOutsideFunction` option for parsing top-level `await`.
+
+## 5.5.3 (2018-03-08)
+
+### Bug fixes
+
+A _second_ republish of the code in 5.5.1, this time with yarn, to hopefully get valid timestamps.
+
+## 5.5.2 (2018-03-08)
+
+### Bug fixes
+
+A republish of the code in 5.5.1 in an attempt to solve an issue with the file timestamps in the npm package being 0.
+
+## 5.5.1 (2018-03-06)
+
+### Bug fixes
+
+Fix misleading error message for octal escapes in template strings.
+
+## 5.5.0 (2018-02-27)
+
+### New features
+
+The identifier character categorization is now based on Unicode version 10.
+
+Acorn will now validate the content of regular expressions, including new ES9 features.
+
+## 5.4.0 (2018-02-01)
+
+### Bug fixes
+
+Disallow duplicate or escaped flags on regular expressions.
+
+Disallow octal escapes in strings in strict mode.
+
+### New features
+
+Add support for async iteration.
+
+Add support for object spread and rest.
+
+## 5.3.0 (2017-12-28)
+
+### Bug fixes
+
+Fix parsing of floating point literals with leading zeroes in loose mode.
+
+Allow duplicate property names in object patterns.
+
+Don't allow static class methods named `prototype`.
+
+Disallow async functions directly under `if` or `else`.
+
+Parse right-hand-side of `for`/`of` as an assignment expression.
+
+Stricter parsing of `for`/`in`.
+
+Don't allow unicode escapes in contextual keywords.
+
+### New features
+
+Parsing class members was factored into smaller methods to allow plugins to hook into it.
+
+## 5.2.1 (2017-10-30)
+
+### Bug fixes
+
+Fix a token context corruption bug.
+
+## 5.2.0 (2017-10-30)
+
+### Bug fixes
+
+Fix token context tracking for `class` and `function` in property-name position.
+
+Make sure `%*` isn't parsed as a valid operator.
+
+Allow shorthand properties `get` and `set` to be followed by default values.
+
+Disallow `super` when not in callee or object position.
+
+### New features
+
+Support [`directive` property](https://github.com/estree/estree/compare/b3de58c9997504d6fba04b72f76e6dd1619ee4eb...1da8e603237144f44710360f8feb7a9977e905e0) on directive expression statements.
+
+## 5.1.2 (2017-09-04)
+
+### Bug fixes
+
+Disable parsing of legacy HTML-style comments in modules.
+
+Fix parsing of async methods whose names are keywords.
+
+## 5.1.1 (2017-07-06)
+
+### Bug fixes
+
+Fix problem with disambiguating regexp and division after a class.
+
+## 5.1.0 (2017-07-05)
+
+### Bug fixes
+
+Fix tokenizing of regexps in an object-desctructuring `for`/`of` loop and after `yield`.
+
+Parse zero-prefixed numbers with non-octal digits as decimal.
+
+Allow object/array patterns in rest parameters.
+
+Don't error when `yield` is used as a property name.
+
+Allow `async` as a shorthand object property.
+
+### New features
+
+Implement the [template literal revision proposal](https://github.com/tc39/proposal-template-literal-revision) for ES9.
+
+## 5.0.3 (2017-04-01)
+
+### Bug fixes
+
+Fix spurious duplicate variable definition errors for named functions.
+
+## 5.0.2 (2017-03-30)
+
+### Bug fixes
+
+A binary operator after a parenthesized arrow expression is no longer incorrectly treated as an error.
+
+## 5.0.0 (2017-03-28)
+
+### Bug fixes
+
+Raise an error for duplicated lexical bindings.
+
+Fix spurious error when an assignement expression occurred after a spread expression.
+
+Accept regular expressions after `of` (in `for`/`of`), `yield` (in a generator), and braced arrow functions.
+
+Allow labels in front or `var` declarations, even in strict mode.
+
+### Breaking changes
+
+Parse declarations following `export default` as declaration nodes, not expressions. This means that class and function declarations nodes can now have `null` as their `id`.
+
+## 4.0.11 (2017-02-07)
+
+### Bug fixes
+
+Allow all forms of member expressions to be parenthesized as lvalue.
+
+## 4.0.10 (2017-02-07)
+
+### Bug fixes
+
+Don't expect semicolons after default-exported functions or classes, even when they are expressions.
+
+Check for use of `'use strict'` directives in non-simple parameter functions, even when already in strict mode.
+
+## 4.0.9 (2017-02-06)
+
+### Bug fixes
+
+Fix incorrect error raised for parenthesized simple assignment targets, so that `(x) = 1` parses again.
+
+## 4.0.8 (2017-02-03)
+
+### Bug fixes
+
+Solve spurious parenthesized pattern errors by temporarily erring on the side of accepting programs that our delayed errors don't handle correctly yet.
+
+## 4.0.7 (2017-02-02)
+
+### Bug fixes
+
+Accept invalidly rejected code like `(x).y = 2` again.
+
+Don't raise an error when a function _inside_ strict code has a non-simple parameter list.
+
+## 4.0.6 (2017-02-02)
+
+### Bug fixes
+
+Fix exponential behavior (manifesting itself as a complete hang for even relatively small source files) introduced by the new 'use strict' check.
+
+## 4.0.5 (2017-02-02)
+
+### Bug fixes
+
+Disallow parenthesized pattern expressions.
+
+Allow keywords as export names.
+
+Don't allow the `async` keyword to be parenthesized.
+
+Properly raise an error when a keyword contains a character escape.
+
+Allow `"use strict"` to appear after other string literal expressions.
+
+Disallow labeled declarations.
+
+## 4.0.4 (2016-12-19)
+
+### Bug fixes
+
+Fix crash when `export` was followed by a keyword that can't be
+exported.
+
+## 4.0.3 (2016-08-16)
+
+### Bug fixes
+
+Allow regular function declarations inside single-statement `if` branches in loose mode. Forbid them entirely in strict mode.
+
+Properly parse properties named `async` in ES2017 mode.
+
+Fix bug where reserved words were broken in ES2017 mode.
+
+## 4.0.2 (2016-08-11)
+
+### Bug fixes
+
+Don't ignore period or 'e' characters after octal numbers.
+
+Fix broken parsing for call expressions in default parameter values of arrow functions.
+
+## 4.0.1 (2016-08-08)
+
+### Bug fixes
+
+Fix false positives in duplicated export name errors.
+
+## 4.0.0 (2016-08-07)
+
+### Breaking changes
+
+The default `ecmaVersion` option value is now 7.
+
+A number of internal method signatures changed, so plugins might need to be updated.
+
+### Bug fixes
+
+The parser now raises errors on duplicated export names.
+
+`arguments` and `eval` can now be used in shorthand properties.
+
+Duplicate parameter names in non-simple argument lists now always produce an error.
+
+### New features
+
+The `ecmaVersion` option now also accepts year-style version numbers
+(2015, etc).
+
+Support for `async`/`await` syntax when `ecmaVersion` is >= 8.
+
+Support for trailing commas in call expressions when `ecmaVersion` is >= 8.
+
+## 3.3.0 (2016-07-25)
+
+### Bug fixes
+
+Fix bug in tokenizing of regexp operator after a function declaration.
+
+Fix parser crash when parsing an array pattern with a hole.
+
+### New features
+
+Implement check against complex argument lists in functions that enable strict mode in ES7.
+
+## 3.2.0 (2016-06-07)
+
+### Bug fixes
+
+Improve handling of lack of unicode regexp support in host
+environment.
+
+Properly reject shorthand properties whose name is a keyword.
+
+### New features
+
+Visitors created with `visit.make` now have their base as _prototype_, rather than copying properties into a fresh object.
+
+## 3.1.0 (2016-04-18)
+
+### Bug fixes
+
+Properly tokenize the division operator directly after a function expression.
+
+Allow trailing comma in destructuring arrays.
+
+## 3.0.4 (2016-02-25)
+
+### Fixes
+
+Allow update expressions as left-hand-side of the ES7 exponential operator.
+
+## 3.0.2 (2016-02-10)
+
+### Fixes
+
+Fix bug that accidentally made `undefined` a reserved word when parsing ES7.
+
+## 3.0.0 (2016-02-10)
+
+### Breaking changes
+
+The default value of the `ecmaVersion` option is now 6 (used to be 5).
+
+Support for comprehension syntax (which was dropped from the draft spec) has been removed.
+
+### Fixes
+
+`let` and `yield` are now “contextual keywords”, meaning you can mostly use them as identifiers in ES5 non-strict code.
+
+A parenthesized class or function expression after `export default` is now parsed correctly.
+
+### New features
+
+When `ecmaVersion` is set to 7, Acorn will parse the exponentiation operator (`**`).
+
+The identifier character ranges are now based on Unicode 8.0.0.
+
+Plugins can now override the `raiseRecoverable` method to override the way non-critical errors are handled.
+
+## 2.7.0 (2016-01-04)
+
+### Fixes
+
+Stop allowing rest parameters in setters.
+
+Disallow `y` rexexp flag in ES5.
+
+Disallow `\00` and `\000` escapes in strict mode.
+
+Raise an error when an import name is a reserved word.
+
+## 2.6.2 (2015-11-10)
+
+### Fixes
+
+Don't crash when no options object is passed.
+
+## 2.6.0 (2015-11-09)
+
+### Fixes
+
+Add `await` as a reserved word in module sources.
+
+Disallow `yield` in a parameter default value for a generator.
+
+Forbid using a comma after a rest pattern in an array destructuring.
+
+### New features
+
+Support parsing stdin in command-line tool.
+
+## 2.5.0 (2015-10-27)
+
+### Fixes
+
+Fix tokenizer support in the command-line tool.
+
+Stop allowing `new.target` outside of functions.
+
+Remove legacy `guard` and `guardedHandler` properties from try nodes.
+
+Stop allowing multiple `__proto__` properties on an object literal in strict mode.
+
+Don't allow rest parameters to be non-identifier patterns.
+
+Check for duplicate paramter names in arrow functions.
diff --git a/node_modules/acorn/LICENSE b/node_modules/acorn/LICENSE
new file mode 100644
index 00000000..2c0632b6
--- /dev/null
+++ b/node_modules/acorn/LICENSE
@@ -0,0 +1,19 @@
+Copyright (C) 2012-2018 by various contributors (see AUTHORS)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/acorn/README.md b/node_modules/acorn/README.md
new file mode 100644
index 00000000..bcf85ccb
--- /dev/null
+++ b/node_modules/acorn/README.md
@@ -0,0 +1,269 @@
+# Acorn
+
+A tiny, fast JavaScript parser written in JavaScript.
+
+## Community
+
+Acorn is open source software released under an
+[MIT license](https://github.com/acornjs/acorn/blob/master/acorn/LICENSE).
+
+You are welcome to
+[report bugs](https://github.com/acornjs/acorn/issues) or create pull
+requests on [github](https://github.com/acornjs/acorn). For questions
+and discussion, please use the
+[Tern discussion forum](https://discuss.ternjs.net).
+
+## Installation
+
+The easiest way to install acorn is from [`npm`](https://www.npmjs.com/):
+
+```sh
+npm install acorn
+```
+
+Alternately, you can download the source and build acorn yourself:
+
+```sh
+git clone https://github.com/acornjs/acorn.git
+cd acorn
+npm install
+```
+
+## Interface
+
+**parse**`(input, options)` is the main interface to the library. The
+`input` parameter is a string, `options` can be undefined or an object
+setting some of the options listed below. The return value will be an
+abstract syntax tree object as specified by the [ESTree
+spec](https://github.com/estree/estree).
+
+```javascript
+let acorn = require("acorn");
+console.log(acorn.parse("1 + 1"));
+```
+
+When encountering a syntax error, the parser will raise a
+`SyntaxError` object with a meaningful message. The error object will
+have a `pos` property that indicates the string offset at which the
+error occurred, and a `loc` object that contains a `{line, column}`
+object referring to that same position.
+
+Options can be provided by passing a second argument, which should be
+an object containing any of these fields:
+
+- **ecmaVersion**: Indicates the ECMAScript version to parse. Must be
+  either 3, 5, 6 (2015), 7 (2016), 8 (2017), 9 (2018) or 10 (2019, partial
+  support). This influences support for strict mode, the set of
+  reserved words, and support for new syntax features. Default is 9.
+
+  **NOTE**: Only 'stage 4' (finalized) ECMAScript features are being
+  implemented by Acorn. Other proposed new features can be implemented
+  through plugins.
+
+- **sourceType**: Indicate the mode the code should be parsed in. Can be
+  either `"script"` or `"module"`. This influences global strict mode
+  and parsing of `import` and `export` declarations.
+
+  **NOTE**: If set to `"module"`, then static `import` / `export` syntax
+  will be valid, even if `ecmaVersion` is less than 6.
+
+- **onInsertedSemicolon**: If given a callback, that callback will be
+  called whenever a missing semicolon is inserted by the parser. The
+  callback will be given the character offset of the point where the
+  semicolon is inserted as argument, and if `locations` is on, also a
+  `{line, column}` object representing this position.
+
+- **onTrailingComma**: Like `onInsertedSemicolon`, but for trailing
+  commas.
+
+- **allowReserved**: If `false`, using a reserved word will generate
+  an error. Defaults to `true` for `ecmaVersion` 3, `false` for higher
+  versions. When given the value `"never"`, reserved words and
+  keywords can also not be used as property names (as in Internet
+  Explorer's old parser).
+
+- **allowReturnOutsideFunction**: By default, a return statement at
+  the top level raises an error. Set this to `true` to accept such
+  code.
+
+- **allowImportExportEverywhere**: By default, `import` and `export`
+  declarations can only appear at a program's top level. Setting this
+  option to `true` allows them anywhere where a statement is allowed.
+  
+- **allowAwaitOutsideFunction**: By default, `await` expressions can
+  only appear inside `async` functions. Setting this option to
+  `true` allows to have top-level `await` expressions. They are
+  still not allowed in non-`async` functions, though.
+
+- **allowHashBang**: When this is enabled (off by default), if the
+  code starts with the characters `#!` (as in a shellscript), the
+  first line will be treated as a comment.
+
+- **locations**: When `true`, each node has a `loc` object attached
+  with `start` and `end` subobjects, each of which contains the
+  one-based line and zero-based column numbers in `{line, column}`
+  form. Default is `false`.
+
+- **onToken**: If a function is passed for this option, each found
+  token will be passed in same format as tokens returned from
+  `tokenizer().getToken()`.
+
+  If array is passed, each found token is pushed to it.
+
+  Note that you are not allowed to call the parser from the
+  callback—that will corrupt its internal state.
+
+- **onComment**: If a function is passed for this option, whenever a
+  comment is encountered the function will be called with the
+  following parameters:
+
+  - `block`: `true` if the comment is a block comment, false if it
+    is a line comment.
+  - `text`: The content of the comment.
+  - `start`: Character offset of the start of the comment.
+  - `end`: Character offset of the end of the comment.
+
+  When the `locations` options is on, the `{line, column}` locations
+  of the comment’s start and end are passed as two additional
+  parameters.
+
+  If array is passed for this option, each found comment is pushed
+  to it as object in Esprima format:
+
+  ```javascript
+  {
+    "type": "Line" | "Block",
+    "value": "comment text",
+    "start": Number,
+    "end": Number,
+    // If `locations` option is on:
+    "loc": {
+      "start": {line: Number, column: Number}
+      "end": {line: Number, column: Number}
+    },
+    // If `ranges` option is on:
+    "range": [Number, Number]
+  }
+  ```
+
+  Note that you are not allowed to call the parser from the
+  callback—that will corrupt its internal state.
+
+- **ranges**: Nodes have their start and end characters offsets
+  recorded in `start` and `end` properties (directly on the node,
+  rather than the `loc` object, which holds line/column data. To also
+  add a
+  [semi-standardized](https://bugzilla.mozilla.org/show_bug.cgi?id=745678)
+  `range` property holding a `[start, end]` array with the same
+  numbers, set the `ranges` option to `true`.
+
+- **program**: It is possible to parse multiple files into a single
+  AST by passing the tree produced by parsing the first file as the
+  `program` option in subsequent parses. This will add the toplevel
+  forms of the parsed file to the "Program" (top) node of an existing
+  parse tree.
+
+- **sourceFile**: When the `locations` option is `true`, you can pass
+  this option to add a `source` attribute in every node’s `loc`
+  object. Note that the contents of this option are not examined or
+  processed in any way; you are free to use whatever format you
+  choose.
+
+- **directSourceFile**: Like `sourceFile`, but a `sourceFile` property
+  will be added (regardless of the `location` option) directly to the
+  nodes, rather than the `loc` object.
+
+- **preserveParens**: If this option is `true`, parenthesized expressions
+  are represented by (non-standard) `ParenthesizedExpression` nodes
+  that have a single `expression` property containing the expression
+  inside parentheses.
+
+**parseExpressionAt**`(input, offset, options)` will parse a single
+expression in a string, and return its AST. It will not complain if
+there is more of the string left after the expression.
+
+**tokenizer**`(input, options)` returns an object with a `getToken`
+method that can be called repeatedly to get the next token, a `{start,
+end, type, value}` object (with added `loc` property when the
+`locations` option is enabled and `range` property when the `ranges`
+option is enabled). When the token's type is `tokTypes.eof`, you
+should stop calling the method, since it will keep returning that same
+token forever.
+
+In ES6 environment, returned result can be used as any other
+protocol-compliant iterable:
+
+```javascript
+for (let token of acorn.tokenizer(str)) {
+  // iterate over the tokens
+}
+
+// transform code to array of tokens:
+var tokens = [...acorn.tokenizer(str)];
+```
+
+**tokTypes** holds an object mapping names to the token type objects
+that end up in the `type` properties of tokens.
+
+**getLineInfo**`(input, offset)` can be used to get a `{line,
+column}` object for a given program string and offset.
+
+### The `Parser` class
+
+Instances of the **`Parser`** class contain all the state and logic
+that drives a parse. It has static methods `parse`,
+`parseExpressionAt`, and `tokenizer` that match the top-level
+functions by the same name.
+
+When extending the parser with plugins, you need to call these methods
+on the extended version of the class. To extend a parser with plugins,
+you can use its static `extend` method.
+
+```javascript
+var acorn = require("acorn");
+var jsx = require("acorn-jsx");
+var JSXParser = acorn.Parser.extend(jsx());
+JSXParser.parse("foo(<bar/>)");
+```
+
+The `extend` method takes any number of plugin values, and returns a
+new `Parser` class that includes the extra parser logic provided by
+the plugins.
+
+## Command line interface
+
+The `bin/acorn` utility can be used to parse a file from the command
+line. It accepts as arguments its input file and the following
+options:
+
+- `--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|--ecma10`: Sets the ECMAScript version
+  to parse. Default is version 9.
+
+- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise.
+
+- `--locations`: Attaches a "loc" object to each node with "start" and
+  "end" subobjects, each of which contains the one-based line and
+  zero-based column numbers in `{line, column}` form.
+
+- `--allow-hash-bang`: If the code starts with the characters #! (as
+  in a shellscript), the first line will be treated as a comment.
+
+- `--compact`: No whitespace is used in the AST output.
+
+- `--silent`: Do not output the AST, just return the exit status.
+
+- `--help`: Print the usage information and quit.
+
+The utility spits out the syntax tree as JSON data.
+
+## Existing plugins
+
+ - [`acorn-jsx`](https://github.com/RReverser/acorn-jsx): Parse [Facebook JSX syntax extensions](https://github.com/facebook/jsx)
+ 
+Plugins for ECMAScript proposals:
+ 
+ - [`acorn-stage3`](https://github.com/acornjs/acorn-stage3): Parse most stage 3 proposals, bundling:
+   - [`acorn-class-fields`](https://github.com/acornjs/acorn-class-fields): Parse [class fields proposal](https://github.com/tc39/proposal-class-fields)
+   - [`acorn-import-meta`](https://github.com/acornjs/acorn-import-meta): Parse [import.meta proposal](https://github.com/tc39/proposal-import-meta)
+   - [`acorn-numeric-separator`](https://github.com/acornjs/acorn-numeric-separator): Parse [numeric separator proposal](https://github.com/tc39/proposal-numeric-separator)
+   - [`acorn-private-methods`](https://github.com/acornjs/acorn-private-methods): parse [private methods, getters and setters proposal](https://github.com/tc39/proposal-private-methods)n
diff --git a/node_modules/acorn/bin/acorn b/node_modules/acorn/bin/acorn
new file mode 100644
index 00000000..cf7df468
--- /dev/null
+++ b/node_modules/acorn/bin/acorn
@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+'use strict';
+
+require('../dist/bin.js');
diff --git a/node_modules/acorn/package.json b/node_modules/acorn/package.json
new file mode 100644
index 00000000..9281d70e
--- /dev/null
+++ b/node_modules/acorn/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "acorn",
+  "description": "ECMAScript parser",
+  "homepage": "https://github.com/acornjs/acorn",
+  "main": "dist/acorn.js",
+  "module": "dist/acorn.mjs",
+  "version": "6.4.2",
+  "engines": {"node": ">=0.4.0"},
+  "maintainers": [
+    {
+      "name": "Marijn Haverbeke",
+      "email": "marijnh@gmail.com",
+      "web": "https://marijnhaverbeke.nl"
+    },
+    {
+      "name": "Ingvar Stepanyan",
+      "email": "me@rreverser.com",
+      "web": "https://rreverser.com/"
+    },
+    {
+      "name": "Adrian Heine",
+      "web": "http://adrianheine.de"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/acornjs/acorn.git"
+  },
+  "license": "MIT",
+  "scripts": {
+    "prepare": "cd ..; npm run build:main && npm run build:bin"
+  },
+  "bin": {"acorn": "./bin/acorn"}
+}
diff --git a/node_modules/ajv-errors/LICENSE b/node_modules/ajv-errors/LICENSE
new file mode 100644
index 00000000..7f154356
--- /dev/null
+++ b/node_modules/ajv-errors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/ajv-errors/README.md b/node_modules/ajv-errors/README.md
new file mode 100644
index 00000000..92118a4e
--- /dev/null
+++ b/node_modules/ajv-errors/README.md
@@ -0,0 +1,318 @@
+# ajv-errors
+Custom error messages in JSON-Schema for Ajv validator
+
+[![Build Status](https://travis-ci.org/epoberezkin/ajv-errors.svg?branch=master)](https://travis-ci.org/epoberezkin/ajv-errors)
+[![npm version](https://badge.fury.io/js/ajv-errors.svg)](http://badge.fury.io/js/ajv-errors)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/ajv-errors/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/ajv-errors?branch=master)
+[![Gitter](https://img.shields.io/gitter/room/ajv-validator/ajv.svg)](https://gitter.im/ajv-validator/ajv)
+
+
+## Contents
+
+- [Install](#install)
+- [Usage](#usage)
+  - [Single message](#single-message)
+  - [Messages for keywords](#messages-for-keywords)
+  - [Messages for properties and items](#messages-for-properties-and-items)
+  - [Default message](#default-message)
+- [Templates](#templates)
+- [Options](#options)
+- [License](#license)
+
+
+## Install
+
+```
+npm install ajv-errors
+```
+
+
+## Usage
+
+Add the keyword `errorMessages` to Ajv instance:
+
+```javascript
+var Ajv = require('ajv');
+var ajv = new Ajv({allErrors: true, jsonPointers: true});
+// Ajv options allErrors and jsonPointers are required
+require('ajv-errors')(ajv /*, {singleError: true} */);
+```
+
+See [Options](#options) below.
+
+
+### Single message
+
+Replace all errors in the current schema and subschemas with a single message:
+
+```javascript
+var schema = {
+  type: 'object',
+  required: ['foo'],
+  properties: {
+    foo: { type: 'integer' }
+  },
+  additionalProperties: false,
+  errorMessage: 'should be an object with an integer property foo only'
+};
+
+var validate = ajv.compile(schema);
+console.log(validate({foo: 'a', bar: 2})); // false
+console.log(validate.errors); // processed errors
+```
+
+Processed errors:
+
+```javascript
+[
+  {
+    keyword: 'errorMessage',
+    message: 'should be an object with an integer property foo only',
+    // ...
+    params: {
+      errors: [
+        { keyword: 'additionalProperties', dataPath: '' /* , ... */ },
+        { keyword: 'type', dataPath: '.foo' /* , ... */ }
+      ]
+    }
+  }
+]
+```
+
+
+### Messages for keywords
+
+Replace errors for certain keywords in the current schema only:
+
+```javascript
+var schema = {
+  type: 'object',
+  required: ['foo'],
+  properties: {
+    foo: { type: 'integer' }
+  },
+  additionalProperties: false,
+  errorMessage: {
+    type: 'should be an object', // will not replace internal "type" error for the property "foo"
+    required: 'should have property foo',
+    additionalProperties: 'should not have properties other than foo'
+  }
+};
+
+var validate = ajv.compile(schema);
+console.log(validate({foo: 'a', bar: 2})); // false
+console.log(validate.errors); // processed errors
+```
+
+Processed errors:
+
+```javascript
+[
+  {
+    // original error
+    keyword: type,
+    dataPath: '/foo',
+    // ...
+    message: 'should be integer'
+  },
+  {
+    // generated error
+    keyword: 'errorMessage',
+    message: 'should not have properties other than foo',
+    // ...
+    params: {
+      errors: [
+        { keyword: 'additionalProperties' /* , ... */ }
+      ]
+    },
+  }
+]
+```
+
+For keywords "required" and "dependencies" it is possible to specify different messages for different properties:
+
+```javascript
+var schema = {
+  type: 'object',
+  required: ['foo', 'bar'],
+  properties: {
+    foo: { type: 'integer' },
+    bar: { type: 'string' }
+  },
+  errorMessage: {
+    type: 'should be an object', // will not replace internal "type" error for the property "foo"
+    required: {
+      foo: 'should have an integer property "foo"',
+      bar: 'should have a string property "bar"'
+    }
+  }
+};
+```
+
+
+### Messages for properties and items
+
+Replace errors for properties / items (and deeper), regardless where in schema they were created:
+
+```javascript
+var schema = {
+  type: 'object',
+  required: ['foo', 'bar'],
+  allOf: [{
+    properties: {
+      foo: { type: 'integer', minimum: 2 },
+      bar: { type: 'string', minLength: 2 }
+    },
+    additionalProperties: false
+  }],
+  errorMessage: {
+    properties: {
+      foo: 'data.foo should be integer >= 2',
+      bar: 'data.bar should be string with length >= 2'
+    }
+  }
+};
+
+var validate = ajv.compile(schema);
+console.log(validate({foo: 1, bar: 'a'})); // false
+console.log(validate.errors); // processed errors
+```
+
+Processed errors:
+
+```javascript
+[
+  {
+    keyword: 'errorMessage',
+    message: 'data.foo should be integer >= 2',
+    dataPath: '/foo',
+    // ...
+    params: {
+      errors: [
+        { keyword: 'minimum' /* , ... */ }
+      ]
+    },
+  },
+  {
+    keyword: 'errorMessage',
+    message: 'data.bar should be string with length >= 2',
+    dataPath: '/bar',
+    // ...
+    params: {
+      errors: [
+        { keyword: 'minLength' /* , ... */ }
+      ]
+    },
+  }
+]
+```
+
+
+### Default message
+
+When the value of keyword `errorMessage` is an object you can specify a message that will be used if any error appears that is not specified by keywords/properties/items:
+
+```javascript
+var schema = {
+  type: 'object',
+  required: ['foo', 'bar'],
+  allOf: [{
+    properties: {
+      foo: { type: 'integer', minimum: 2 },
+      bar: { type: 'string', minLength: 2 }
+    },
+    additionalProperties: false
+  }],
+  errorMessage: {
+    type: 'data should be an object',
+    properties: {
+      foo: 'data.foo should be integer >= 2',
+      bar: 'data.bar should be string with length >= 2'
+    },
+    _: 'data should have properties "foo" and "bar" only'
+  }
+};
+
+var validate = ajv.compile(schema);
+console.log(validate({})); // false
+console.log(validate.errors); // processed errors
+```
+
+Processed errors:
+
+```javascript
+[
+  {
+    keyword: 'errorMessage',
+    message: 'data should be an object with properties "foo" and "bar" only',
+    dataPath: '',
+    // ...
+    params: {
+      errors: [
+        { keyword: 'required' /* , ... */ },
+        { keyword: 'required' /* , ... */ }
+      ]
+    },
+  }
+]
+```
+
+The message in property `_` of `errorMessage` replaces the same errors that would have been replaced if `errorMessage` were a string.
+
+
+## Templates
+
+Custom error messages used in `errorMessage` keyword can be templates using [JSON-pointers](https://tools.ietf.org/html/rfc6901) or [relative JSON-pointers](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00) to data being validated, in which case the value will be interpolated. Also see [examples](https://gist.github.com/geraintluff/5911303) of relative JSON-pointers.
+
+The syntax to interpolate a value is `${<pointer>}`.
+
+The values used in messages will be JSON-stringified:
+- to differentiate between `false` and `"false"`, etc.
+- to support structured values.
+
+Example:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "size": {
+      "type": "number",
+      "minimum": 4
+    }
+  },
+  "errorMessage": {
+    "properties": {
+      "size": "size should be a number bigger or equal to 4, current value is ${/size}"
+    }
+  }
+}
+```
+
+
+## Options
+
+Defaults:
+
+```javascript
+{
+  keepErrors: false,
+  singleError: false
+}
+```
+
+- _keepErrors_: keep original errors. Default is to remove matched errors (they will still be available in `params.errors` property of generated error). If an error was matched and included in the error generated by `errorMessage` keyword it will have property `emUsed: true`.
+- _singleError_: create one error for all keywords used in `errorMessage` keyword (error messages defined for properties and items are not merged because they have different dataPaths). Multiple error messages are concatenated. Option values:
+  - `false` (default): create multiple errors, one for each message
+  - `true`: create single error, messages are concatenated using `"; "`
+  - non-empty string: this string is used as a separator to concatenate messages
+
+
+## Supporters
+
+[<img src="https://media.licdn.com/mpr/mpr/shrinknp_400_400/AAEAAQAAAAAAAAwEAAAAJDg1YzBlYzFjLTA3YWYtNGEzOS1iMTdjLTQ0MTU1NWZjOGM0ZQ.jpg" width="48" height="48">](https://www.linkedin.com/in/rogerkepler/) [Roger Kepler](https://www.linkedin.com/in/rogerkepler/)
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/ajv-errors/blob/master/LICENSE)
diff --git a/node_modules/ajv-errors/index.js b/node_modules/ajv-errors/index.js
new file mode 100644
index 00000000..423eb232
--- /dev/null
+++ b/node_modules/ajv-errors/index.js
@@ -0,0 +1,48 @@
+'use strict';
+
+module.exports = function (ajv, options) {
+  if (!ajv._opts.allErrors) throw new Error('ajv-errors: Ajv option allErrors must be true');
+  if (!ajv._opts.jsonPointers) {
+    console.warn('ajv-errors: Ajv option jsonPointers changed to true');
+    ajv._opts.jsonPointers = true;
+  }
+
+  ajv.addKeyword('errorMessage', {
+    inline: require('./lib/dotjs/errorMessage'),
+    statements: true,
+    valid: true,
+    errors: 'full',
+    config: {
+      KEYWORD_PROPERTY_PARAMS: {
+        required: 'missingProperty',
+        dependencies: 'property'
+      },
+      options: options || {}
+    },
+    metaSchema: {
+      'type': ['string', 'object'],
+      properties: {
+        properties: {$ref: '#/definitions/stringMap'},
+        items: {$ref: '#/definitions/stringList'},
+        required: {$ref: '#/definitions/stringOrMap'},
+        dependencies: {$ref: '#/definitions/stringOrMap'}
+      },
+      additionalProperties: {'type': 'string'},
+      definitions: {
+        stringMap: {
+          'type': ['object'],
+          additionalProperties: {'type': 'string'}
+        },
+        stringOrMap: {
+          'type': ['string', 'object'],
+          additionalProperties: {'type': 'string'}
+        },
+        stringList: {
+          'type': ['array'],
+          items: {'type': 'string'}
+        }
+      }
+    }
+  });
+  return ajv;
+};
diff --git a/node_modules/ajv-errors/lib/dot/errorMessage.jst b/node_modules/ajv-errors/lib/dot/errorMessage.jst
new file mode 100644
index 00000000..60cf89df
--- /dev/null
+++ b/node_modules/ajv-errors/lib/dot/errorMessage.jst
@@ -0,0 +1,372 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{## def.em_errorMatch:
+  {{# def._em_commonErrorMatch }}
+  && ({{=$err}}.dataPath == {{=$dataPath}} ||
+      ({{=$err}}.dataPath.indexOf({{=$dataPath}}) == 0 &&
+       {{=$err}}.dataPath[{{=$dataPath}}.length] == '/'))
+  && {{=$err}}.schemaPath.indexOf({{=$errSchemaPathString}}) == 0
+  && {{=$err}}.schemaPath[{{=it.errSchemaPath.length}}] == '/'
+#}}
+
+{{## def.em_keywordErrorMatch:
+  {{# def._em_commonErrorMatch }}
+  && {{=$err}}.keyword in {{=$errors}}
+  && {{=$err}}.dataPath == {{=$dataPath}}
+  && {{=$err}}.schemaPath.indexOf({{=$errSchemaPathString}}) == 0
+  && /^\/[^\/]*$/.test({{=$err}}.schemaPath.slice({{=it.errSchemaPath.length}}))
+#}}
+
+{{## def.em_childErrorMatch:
+  {{# def._em_commonErrorMatch }}
+  && {{=$err}}.dataPath.indexOf({{=$dataPath}}) == 0
+  && ({{=$matches}} = {{=$err}}.dataPath.slice({{=$dataPath}}.length).match(/^\/([^\/]*)(?:\/|$)/),
+      {{=$child}} = {{=$matches}} && {{=$matches}}[1].replace(/~1/g, '/').replace(/~0/g, '~')
+     ) !== undefined
+  && {{=$child}} in {{=$errors}}
+#}}
+
+{{## def._em_commonErrorMatch:
+  {{=$err}}.keyword != '{{=$keyword}}'
+  {{? $config.options.keepErrors }}
+    && !{{=$err}}.emUsed
+  {{?}}
+#}}
+
+{{## def.em_useError:
+  {{? $config.options.keepErrors }}
+    {{=$err}}.emUsed = true;
+  {{??}}
+    vErrors.splice({{=$i}}, 1);
+    errors--;
+  {{?}}
+#}}
+
+{{## def.em_compileTemplates: _keysArray:
+  var {{=$templates}} = {
+    {{ var $comma = false; }}
+    {{~ _keysArray:$k }}
+      {{? INTERPOLATION.test($schema[$k]) }}
+        {{?$comma}},{{?}}{{= it.util.toQuotedString($k) }}: {{= templateFunc($schema[$k]) }}
+        {{ $comma = true; }}
+      {{?}}
+    {{~}}
+  };
+#}}
+
+{{## def.em_compilePropsTemplates: _keywordProps:
+  var {{=$templates}} = {
+    {{ var $comma = false; }}
+    {{~ Object.keys(_keywordProps):$k }}
+      {{ var $keywordMsgs = $schema[$k]; }}
+      {{?$comma}},{{?}}{{= it.util.toQuotedString($k) }}: {
+        {{ $comma = true; var $innerComma = false; }}
+        {{~ Object.keys($keywordMsgs):$prop }}
+          {{? INTERPOLATION.test($keywordMsgs[$prop]) }}
+            {{?$innerComma}},{{?}}{{= it.util.toQuotedString($prop) }}: {{= templateFunc($keywordMsgs[$prop]) }}
+            {{ $innerComma = true; }}
+          {{?}}
+        {{~}}
+      }
+    {{~}}
+  };
+#}}
+
+{{## def.em_compileChildTemplates: _children:
+  {{ var _keysArray = Object.keys($childErrors._children); }}
+  var {{=$templates}} = {
+    {{ var $comma = false; }}
+    {{~ _keysArray:$k }}
+      {{? INTERPOLATION.test($schema._children[$k]) }}
+        {{?$comma}},{{?}}{{= it.util.toQuotedString($k) }}: {{= templateFunc($schema._children[$k]) }}
+        {{ $comma = true; }}
+      {{?}}
+    {{~}}
+  };
+#}}
+
+{{## def.em_errorMessage:
+  {{=$key}} in {{=$templates}}
+  ? {{=$templates}}[{{=$key}}] ()
+  : validate.schema{{=$schemaPath}}[{{=$key}}]
+#}}
+
+{{## def.em_keywordError:
+  var err = {
+    keyword: '{{=$keyword}}'
+    , dataPath: {{=$dataPath}}
+    , schemaPath: {{=$errSchemaPathString}} + '/{{=$keyword}}'
+    , params: { errors: {{=$paramsErrors}} }
+    , message: {{=$message}}
+    {{? it.opts.verbose }}
+      , schema: validate.schema{{=$schemaPath}}
+      , parentSchema: validate.schema{{=it.schemaPath}}
+      , data: {{=$data}}
+    {{?}}
+  };
+  {{# def._addError:'custom' }}
+#}}
+
+
+{{? it.createErrors !== false }}
+  {{
+    var INTERPOLATION = /\$\{[^\}]+\}/;
+    var INTERPOLATION_REPLACE = /\$\{([^\}]+)\}/g;
+    var EMPTY_STR = /^\'\'\s*\+\s*|\s*\+\s*\'\'$/g;
+
+    var $config = it.self.getKeyword($keyword).config
+      , $dataPath = '_em_dataPath' + $lvl
+      , $i = '_em_i' + $lvl
+      , $key = '_em_key' + $lvl
+      , $keyProp = '_em_keyProp' + $lvl
+      , $err = '_em_err' + $lvl
+      , $child = '_em_child' + $lvl
+      , $childKeyword = '_em_childKeyword' + $lvl
+      , $matches = '_em_matches' + $lvl
+      , $isArray = '_em_isArray' + $lvl
+      , $errors = '_em_errors' + $lvl
+      , $message = '_em_message' + $lvl
+      , $paramsErrors = '_em_paramsErrors' + $lvl
+      , $propParam = '_em_propParam' + $lvl
+      , $keywordPropParams = '_em_keywordPropParams' + $lvl
+      , $templates = '_em_templates' + $lvl
+      , $errSchemaPathString = it.util.toQuotedString(it.errSchemaPath);
+  }}
+
+  if (errors > 0) {
+    var {{=$dataPath}} = (dataPath || '') + {{= it.errorPath }};
+    var {{=$i}}, {{=$err}}, {{=$errors}};
+
+    {{? typeof $schema == 'object' }}
+      {{
+        var $keywordErrors = {}
+          , $keywordPropErrors = {}
+          , $childErrors = { properties: {}, items: {} }
+          , $hasKeywordProps = false
+          , $hasProperties = false
+          , $hasItems = false;
+
+        for (var $k in $schema) {
+          switch ($k) {
+            case 'properties':
+              for (var $prop in $schema.properties) {
+                $hasProperties = true;
+                $childErrors.properties[$prop] = [];
+              }
+              break;
+            case 'items':
+              for (var $item=0; $item<$schema.items.length; $item++) {
+                $hasItems = true;
+                $childErrors.items[$item] = [];
+              }
+              break;
+            default:
+              if (typeof $schema[$k] == 'object') {
+                $hasKeywordProps = true;
+                $keywordPropErrors[$k] = {};
+                for (var $prop in $schema[$k]) {
+                  $keywordPropErrors[$k][$prop] = [];
+                }
+              } else {
+                $keywordErrors[$k] = [];
+              }
+          }
+        }
+      }}
+
+      {{ var $keywordErrorsArr = Object.keys($keywordErrors); }}
+      {{? $keywordErrorsArr.length }}
+        {{=$i}} = 0;
+        {{=$errors}} = {{= JSON.stringify($keywordErrors) }};
+        {{# def.em_compileTemplates:$keywordErrorsArr }}
+        while ({{=$i}} < errors) {
+          {{=$err}} = vErrors[{{=$i}}];
+          if ({{# def.em_keywordErrorMatch}}) {
+            {{=$errors}}[{{=$err}}.keyword].push({{=$err}});
+            {{# def.em_useError }}
+          } else {
+            {{=$i}}++;
+          }
+        }
+
+        {{? $config.options.singleError }}
+          var {{=$message}} = '';
+          var {{=$paramsErrors}} = [];
+        {{?}}
+
+          for (var {{=$key}} in {{=$errors}}) {
+            if ({{=$errors}}[{{=$key}}].length) {
+
+        {{? $config.options.singleError }}
+              if ({{=$message}}) {
+                {{=$message}} += {{? typeof $config.options.singleError == 'string' }}
+                  {{= it.util.toQuotedString($config.options.singleError) }}
+                {{??}}
+                  '; '
+                {{?}};
+              }
+              {{=$message}} += {{# def.em_errorMessage }};
+              {{=$paramsErrors}} = {{=$paramsErrors}}.concat({{=$errors}}[{{=$key}}]);
+            }
+          }
+        {{??}}
+              var {{=$message}} = {{# def.em_errorMessage }};
+              var {{=$paramsErrors}} = {{=$errors}}[{{=$key}}];
+        {{?}}
+
+              {{# def.em_keywordError}}
+
+        {{? !$config.options.singleError }}
+            }
+          }
+        {{?}}
+      {{?}} /* $keywordErrorsArr */
+
+      {{? $hasKeywordProps }}
+        {{=$i}} = 0;
+        {{=$errors}} = {{= JSON.stringify($keywordPropErrors) }};
+        var {{=$paramsErrors}}, {{=$propParam}};
+        var {{=$keywordPropParams}} = {{= JSON.stringify($config.KEYWORD_PROPERTY_PARAMS) }};
+        {{# def.em_compilePropsTemplates:$keywordPropErrors }}
+
+        while ({{=$i}} < errors) {
+          {{=$err}} = vErrors[{{=$i}}];
+          if ({{# def.em_keywordErrorMatch}}) {
+            {{=$propParam}} = {{=$keywordPropParams}}[{{=$err}}.keyword];
+            {{=$paramsErrors}} = {{=$errors}}[{{=$err}}.keyword][{{=$err}}.params[{{=$propParam}}]];
+            if ({{=$paramsErrors}}) {
+              {{=$paramsErrors}}.push({{=$err}});
+              {{# def.em_useError }}
+            } else {
+              {{=$i}}++;
+            }
+          } else {
+            {{=$i}}++;
+          }
+        }
+
+        for (var {{=$key}} in {{=$errors}}) {
+          for (var {{=$keyProp}} in {{=$errors}}[{{=$key}}]) {
+            {{=$paramsErrors}} = {{=$errors}}[{{=$key}}][{{=$keyProp}}];
+            if ({{=$paramsErrors}}.length) {
+              var {{=$message}} =   {{=$key}} in {{=$templates}} && {{=$keyProp}} in {{=$templates}}[{{=$key}}]
+                                    ? {{=$templates}}[{{=$key}}][{{=$keyProp}}] ()
+                                    : validate.schema{{=$schemaPath}}[{{=$key}}][{{=$keyProp}}];
+              {{# def.em_keywordError}}
+            }
+          }
+        }
+      {{?}} /* $hasKeywordProps */
+
+      {{? $hasProperties || $hasItems }}
+        var {{=$isArray}} = Array.isArray({{=$data}});
+        if
+          {{? $hasProperties && $hasItems }}
+            (typeof {{=$data}} == 'object') {
+              {{ var $childProp = '[' + $childKeyword + ']'; }}
+              {{=$i}} = 0;
+              if ({{=$isArray}}) {
+                var {{=$childKeyword}} = 'items';
+                {{=$errors}} = {{= JSON.stringify($childErrors.items) }}; 
+                {{# def.em_compileChildTemplates: items }}
+              } else {
+                var {{=$childKeyword}} = 'properties';
+                {{=$errors}} =  {{= JSON.stringify($childErrors.properties) }}; 
+                {{# def.em_compileChildTemplates: properties }}
+              }
+          {{?? $hasProperties }}
+            (typeof {{=$data}} == 'object' && !{{=$isArray}}) {
+              {{ var $childProp = '.properties'; }}
+              {{=$i}} = 0;
+              {{=$errors}} = {{= JSON.stringify($childErrors.properties) }};
+              {{# def.em_compileChildTemplates: properties }}
+          {{??}}
+            ({{=$isArray}}) {
+              {{ var $childProp = '.items'; }}
+              {{=$i}} = 0;
+              {{=$errors}} = {{= JSON.stringify($childErrors.items) }};
+              {{# def.em_compileChildTemplates: items }}
+          {{?}}
+
+          var {{=$child}}, {{=$matches}};
+          while ({{=$i}} < errors) {
+            {{=$err}} = vErrors[{{=$i}}];
+            if ({{# def.em_childErrorMatch}}) {
+              {{=$errors}}[{{=$child}}].push({{=$err}});
+              {{# def.em_useError }}
+            } else {
+              {{=$i}}++;
+            }
+          }
+          for (var {{=$key}} in {{=$errors}}) {
+            if ({{=$errors}}[{{=$key}}].length) {
+              var err = {
+                keyword: '{{=$keyword}}'
+                , dataPath: {{=$dataPath}} + '/' + {{=$key}}.replace(/~/g, '~0').replace(/\//g, '~1')
+                , schemaPath: {{=$errSchemaPathString}} + '/{{=$keyword}}'
+                , params: { errors: {{=$errors}}[{{=$key}}] }
+                , message: {{=$key}} in {{=$templates}}
+                            ? {{=$templates}}[{{=$key}}] ()
+                            : validate.schema{{=$schemaPath}}{{=$childProp}}[{{=$key}}]
+                {{? it.opts.verbose }}
+                  , schema: validate.schema{{=$schemaPath}}
+                  , parentSchema: validate.schema{{=it.schemaPath}}
+                  , data: {{=$data}}
+                {{?}}
+              };
+              {{# def._addError:'custom' }}
+            }
+          } /* for */
+        } /* if */
+      {{?}} /* $hasProperties || $hasItems */
+    {{?}} /* $schema is object */
+
+    {{ var $schemaMessage = typeof $schema == 'string' ? $schema : $schema._; }}
+    {{? $schemaMessage }}
+      {{=$i}} = 0;
+      {{=$errors}} = [];
+      while ({{=$i}} < errors) {
+        {{=$err}} = vErrors[{{=$i}}];
+        if ({{# def.em_errorMatch}}) {
+          {{=$errors}}.push({{=$err}});
+          {{# def.em_useError }}
+        } else {
+          {{=$i}}++;
+        }
+      }
+      if ({{=$errors}}.length) {
+        var err = {
+          keyword: '{{=$keyword}}'
+          , dataPath: {{=$dataPath}}
+          , schemaPath: {{=$errSchemaPathString}} + '/{{=$keyword}}'
+          , params: { errors: {{=$errors}} }
+          , message: {{=templateExpr($schemaMessage)}}
+          {{? it.opts.verbose }}
+            , schema: {{=it.util.toQuotedString($schemaMessage)}}
+            , parentSchema: validate.schema{{=it.schemaPath}}
+            , data: {{=$data}}
+          {{?}}
+        };
+        {{# def._addError:'custom' }}
+      }
+    {{?}}
+  }
+{{?}}
+
+
+{{
+  function templateExpr(str) {
+    str = it.util.escapeQuotes(str);
+    if (!INTERPOLATION.test(str)) return "'" + str + "'";
+    var expr = "'" + str.replace(INTERPOLATION_REPLACE, function ($0, $1) {
+      return "' + JSON.stringify(" + it.util.getData($1, $dataLvl, it.dataPathArr) + ") + '";
+    }) + "'";
+    return expr.replace(EMPTY_STR, '');
+  }
+
+  function templateFunc(str) {
+    return 'function() { return ' + templateExpr(str) + '; }';
+  }
+}}
diff --git a/node_modules/ajv-errors/lib/dotjs/README.md b/node_modules/ajv-errors/lib/dotjs/README.md
new file mode 100644
index 00000000..e2846c86
--- /dev/null
+++ b/node_modules/ajv-errors/lib/dotjs/README.md
@@ -0,0 +1,3 @@
+These files are compiled dot templates from dot folder.
+
+Do NOT edit them directly, edit the templates and run `npm run build` from main ajv-keywords folder.
diff --git a/node_modules/ajv-errors/lib/dotjs/errorMessage.js b/node_modules/ajv-errors/lib/dotjs/errorMessage.js
new file mode 100644
index 00000000..05d66d9e
--- /dev/null
+++ b/node_modules/ajv-errors/lib/dotjs/errorMessage.js
@@ -0,0 +1,315 @@
+'use strict';
+module.exports = function generate_errorMessage(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  if (it.createErrors !== false) {
+    var INTERPOLATION = /\$\{[^\}]+\}/;
+    var INTERPOLATION_REPLACE = /\$\{([^\}]+)\}/g;
+    var EMPTY_STR = /^\'\'\s*\+\s*|\s*\+\s*\'\'$/g;
+    var $config = it.self.getKeyword($keyword).config,
+      $dataPath = '_em_dataPath' + $lvl,
+      $i = '_em_i' + $lvl,
+      $key = '_em_key' + $lvl,
+      $keyProp = '_em_keyProp' + $lvl,
+      $err = '_em_err' + $lvl,
+      $child = '_em_child' + $lvl,
+      $childKeyword = '_em_childKeyword' + $lvl,
+      $matches = '_em_matches' + $lvl,
+      $isArray = '_em_isArray' + $lvl,
+      $errors = '_em_errors' + $lvl,
+      $message = '_em_message' + $lvl,
+      $paramsErrors = '_em_paramsErrors' + $lvl,
+      $propParam = '_em_propParam' + $lvl,
+      $keywordPropParams = '_em_keywordPropParams' + $lvl,
+      $templates = '_em_templates' + $lvl,
+      $errSchemaPathString = it.util.toQuotedString(it.errSchemaPath);
+    out += ' if (errors > 0) { var ' + ($dataPath) + ' = (dataPath || \'\') + ' + (it.errorPath) + '; var ' + ($i) + ', ' + ($err) + ', ' + ($errors) + '; ';
+    if (typeof $schema == 'object') {
+      var $keywordErrors = {},
+        $keywordPropErrors = {},
+        $childErrors = {
+          properties: {},
+          items: {}
+        },
+        $hasKeywordProps = false,
+        $hasProperties = false,
+        $hasItems = false;
+      for (var $k in $schema) {
+        switch ($k) {
+          case 'properties':
+            for (var $prop in $schema.properties) {
+              $hasProperties = true;
+              $childErrors.properties[$prop] = [];
+            }
+            break;
+          case 'items':
+            for (var $item = 0; $item < $schema.items.length; $item++) {
+              $hasItems = true;
+              $childErrors.items[$item] = [];
+            }
+            break;
+          default:
+            if (typeof $schema[$k] == 'object') {
+              $hasKeywordProps = true;
+              $keywordPropErrors[$k] = {};
+              for (var $prop in $schema[$k]) {
+                $keywordPropErrors[$k][$prop] = [];
+              }
+            } else {
+              $keywordErrors[$k] = [];
+            }
+        }
+      }
+      var $keywordErrorsArr = Object.keys($keywordErrors);
+      if ($keywordErrorsArr.length) {
+        out += ' ' + ($i) + ' = 0; ' + ($errors) + ' = ' + (JSON.stringify($keywordErrors)) + ';  var ' + ($templates) + ' = { ';
+        var $comma = false;
+        var arr1 = $keywordErrorsArr;
+        if (arr1) {
+          var $k, i1 = -1,
+            l1 = arr1.length - 1;
+          while (i1 < l1) {
+            $k = arr1[i1 += 1];
+            if (INTERPOLATION.test($schema[$k])) {
+              if ($comma) {
+                out += ',';
+              }
+              out += '' + (it.util.toQuotedString($k)) + ': ' + (templateFunc($schema[$k])) + ' ';
+              $comma = true;
+            }
+          }
+        }
+        out += ' }; while (' + ($i) + ' < errors) { ' + ($err) + ' = vErrors[' + ($i) + ']; if (  ' + ($err) + '.keyword != \'' + ($keyword) + '\' ';
+        if ($config.options.keepErrors) {
+          out += ' && !' + ($err) + '.emUsed ';
+        }
+        out += ' && ' + ($err) + '.keyword in ' + ($errors) + ' && ' + ($err) + '.dataPath == ' + ($dataPath) + ' && ' + ($err) + '.schemaPath.indexOf(' + ($errSchemaPathString) + ') == 0 && /^\\/[^\\/]*$/.test(' + ($err) + '.schemaPath.slice(' + (it.errSchemaPath.length) + '))) { ' + ($errors) + '[' + ($err) + '.keyword].push(' + ($err) + ');  ';
+        if ($config.options.keepErrors) {
+          out += ' ' + ($err) + '.emUsed = true; ';
+        } else {
+          out += ' vErrors.splice(' + ($i) + ', 1); errors--; ';
+        }
+        out += ' } else { ' + ($i) + '++; } } ';
+        if ($config.options.singleError) {
+          out += ' var ' + ($message) + ' = \'\'; var ' + ($paramsErrors) + ' = []; ';
+        }
+        out += ' for (var ' + ($key) + ' in ' + ($errors) + ') { if (' + ($errors) + '[' + ($key) + '].length) { ';
+        if ($config.options.singleError) {
+          out += ' if (' + ($message) + ') { ' + ($message) + ' += ';
+          if (typeof $config.options.singleError == 'string') {
+            out += ' ' + (it.util.toQuotedString($config.options.singleError)) + ' ';
+          } else {
+            out += ' \'; \' ';
+          }
+          out += '; } ' + ($message) + ' +=   ' + ($key) + ' in ' + ($templates) + ' ? ' + ($templates) + '[' + ($key) + '] () : validate.schema' + ($schemaPath) + '[' + ($key) + ']; ' + ($paramsErrors) + ' = ' + ($paramsErrors) + '.concat(' + ($errors) + '[' + ($key) + ']); } } ';
+        } else {
+          out += ' var ' + ($message) + ' =   ' + ($key) + ' in ' + ($templates) + ' ? ' + ($templates) + '[' + ($key) + '] () : validate.schema' + ($schemaPath) + '[' + ($key) + ']; var ' + ($paramsErrors) + ' = ' + ($errors) + '[' + ($key) + ']; ';
+        }
+        out += '  var err = { keyword: \'' + ($keyword) + '\' , dataPath: ' + ($dataPath) + ' , schemaPath: ' + ($errSchemaPathString) + ' + \'/' + ($keyword) + '\' , params: { errors: ' + ($paramsErrors) + ' } , message: ' + ($message) + ' ';
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' };  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        if (!$config.options.singleError) {
+          out += ' } } ';
+        }
+      }
+      if ($hasKeywordProps) {
+        out += ' ' + ($i) + ' = 0; ' + ($errors) + ' = ' + (JSON.stringify($keywordPropErrors)) + '; var ' + ($paramsErrors) + ', ' + ($propParam) + '; var ' + ($keywordPropParams) + ' = ' + (JSON.stringify($config.KEYWORD_PROPERTY_PARAMS)) + ';  var ' + ($templates) + ' = { ';
+        var $comma = false;
+        var arr2 = Object.keys($keywordPropErrors);
+        if (arr2) {
+          var $k, i2 = -1,
+            l2 = arr2.length - 1;
+          while (i2 < l2) {
+            $k = arr2[i2 += 1];
+            var $keywordMsgs = $schema[$k];
+            if ($comma) {
+              out += ',';
+            }
+            out += '' + (it.util.toQuotedString($k)) + ': { ';
+            $comma = true;
+            var $innerComma = false;
+            var arr3 = Object.keys($keywordMsgs);
+            if (arr3) {
+              var $prop, i3 = -1,
+                l3 = arr3.length - 1;
+              while (i3 < l3) {
+                $prop = arr3[i3 += 1];
+                if (INTERPOLATION.test($keywordMsgs[$prop])) {
+                  if ($innerComma) {
+                    out += ',';
+                  }
+                  out += '' + (it.util.toQuotedString($prop)) + ': ' + (templateFunc($keywordMsgs[$prop])) + ' ';
+                  $innerComma = true;
+                }
+              }
+            }
+            out += ' } ';
+          }
+        }
+        out += ' }; while (' + ($i) + ' < errors) { ' + ($err) + ' = vErrors[' + ($i) + ']; if (  ' + ($err) + '.keyword != \'' + ($keyword) + '\' ';
+        if ($config.options.keepErrors) {
+          out += ' && !' + ($err) + '.emUsed ';
+        }
+        out += ' && ' + ($err) + '.keyword in ' + ($errors) + ' && ' + ($err) + '.dataPath == ' + ($dataPath) + ' && ' + ($err) + '.schemaPath.indexOf(' + ($errSchemaPathString) + ') == 0 && /^\\/[^\\/]*$/.test(' + ($err) + '.schemaPath.slice(' + (it.errSchemaPath.length) + '))) { ' + ($propParam) + ' = ' + ($keywordPropParams) + '[' + ($err) + '.keyword]; ' + ($paramsErrors) + ' = ' + ($errors) + '[' + ($err) + '.keyword][' + ($err) + '.params[' + ($propParam) + ']]; if (' + ($paramsErrors) + ') { ' + ($paramsErrors) + '.push(' + ($err) + ');  ';
+        if ($config.options.keepErrors) {
+          out += ' ' + ($err) + '.emUsed = true; ';
+        } else {
+          out += ' vErrors.splice(' + ($i) + ', 1); errors--; ';
+        }
+        out += ' } else { ' + ($i) + '++; } } else { ' + ($i) + '++; } } for (var ' + ($key) + ' in ' + ($errors) + ') { for (var ' + ($keyProp) + ' in ' + ($errors) + '[' + ($key) + ']) { ' + ($paramsErrors) + ' = ' + ($errors) + '[' + ($key) + '][' + ($keyProp) + ']; if (' + ($paramsErrors) + '.length) { var ' + ($message) + ' =   ' + ($key) + ' in ' + ($templates) + ' && ' + ($keyProp) + ' in ' + ($templates) + '[' + ($key) + '] ? ' + ($templates) + '[' + ($key) + '][' + ($keyProp) + '] () : validate.schema' + ($schemaPath) + '[' + ($key) + '][' + ($keyProp) + '];  var err = { keyword: \'' + ($keyword) + '\' , dataPath: ' + ($dataPath) + ' , schemaPath: ' + ($errSchemaPathString) + ' + \'/' + ($keyword) + '\' , params: { errors: ' + ($paramsErrors) + ' } , message: ' + ($message) + ' ';
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' };  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } } ';
+      }
+      if ($hasProperties || $hasItems) {
+        out += ' var ' + ($isArray) + ' = Array.isArray(' + ($data) + '); if ';
+        if ($hasProperties && $hasItems) {
+          out += ' (typeof ' + ($data) + ' == \'object\') { ';
+          var $childProp = '[' + $childKeyword + ']';
+          out += ' ' + ($i) + ' = 0; if (' + ($isArray) + ') { var ' + ($childKeyword) + ' = \'items\'; ' + ($errors) + ' = ' + (JSON.stringify($childErrors.items)) + ';    ';
+          var _keysArray = Object.keys($childErrors.items);
+          out += ' var ' + ($templates) + ' = { ';
+          var $comma = false;
+          var arr4 = _keysArray;
+          if (arr4) {
+            var $k, i4 = -1,
+              l4 = arr4.length - 1;
+            while (i4 < l4) {
+              $k = arr4[i4 += 1];
+              if (INTERPOLATION.test($schema.items[$k])) {
+                if ($comma) {
+                  out += ',';
+                }
+                out += '' + (it.util.toQuotedString($k)) + ': ' + (templateFunc($schema.items[$k])) + ' ';
+                $comma = true;
+              }
+            }
+          }
+          out += ' }; } else { var ' + ($childKeyword) + ' = \'properties\'; ' + ($errors) + ' =  ' + (JSON.stringify($childErrors.properties)) + ';    ';
+          var _keysArray = Object.keys($childErrors.properties);
+          out += ' var ' + ($templates) + ' = { ';
+          var $comma = false;
+          var arr5 = _keysArray;
+          if (arr5) {
+            var $k, i5 = -1,
+              l5 = arr5.length - 1;
+            while (i5 < l5) {
+              $k = arr5[i5 += 1];
+              if (INTERPOLATION.test($schema.properties[$k])) {
+                if ($comma) {
+                  out += ',';
+                }
+                out += '' + (it.util.toQuotedString($k)) + ': ' + (templateFunc($schema.properties[$k])) + ' ';
+                $comma = true;
+              }
+            }
+          }
+          out += ' }; } ';
+        } else if ($hasProperties) {
+          out += ' (typeof ' + ($data) + ' == \'object\' && !' + ($isArray) + ') { ';
+          var $childProp = '.properties';
+          out += ' ' + ($i) + ' = 0; ' + ($errors) + ' = ' + (JSON.stringify($childErrors.properties)) + ';  ';
+          var _keysArray = Object.keys($childErrors.properties);
+          out += ' var ' + ($templates) + ' = { ';
+          var $comma = false;
+          var arr6 = _keysArray;
+          if (arr6) {
+            var $k, i6 = -1,
+              l6 = arr6.length - 1;
+            while (i6 < l6) {
+              $k = arr6[i6 += 1];
+              if (INTERPOLATION.test($schema.properties[$k])) {
+                if ($comma) {
+                  out += ',';
+                }
+                out += '' + (it.util.toQuotedString($k)) + ': ' + (templateFunc($schema.properties[$k])) + ' ';
+                $comma = true;
+              }
+            }
+          }
+          out += ' }; ';
+        } else {
+          out += ' (' + ($isArray) + ') { ';
+          var $childProp = '.items';
+          out += ' ' + ($i) + ' = 0; ' + ($errors) + ' = ' + (JSON.stringify($childErrors.items)) + ';  ';
+          var _keysArray = Object.keys($childErrors.items);
+          out += ' var ' + ($templates) + ' = { ';
+          var $comma = false;
+          var arr7 = _keysArray;
+          if (arr7) {
+            var $k, i7 = -1,
+              l7 = arr7.length - 1;
+            while (i7 < l7) {
+              $k = arr7[i7 += 1];
+              if (INTERPOLATION.test($schema.items[$k])) {
+                if ($comma) {
+                  out += ',';
+                }
+                out += '' + (it.util.toQuotedString($k)) + ': ' + (templateFunc($schema.items[$k])) + ' ';
+                $comma = true;
+              }
+            }
+          }
+          out += ' }; ';
+        }
+        out += ' var ' + ($child) + ', ' + ($matches) + '; while (' + ($i) + ' < errors) { ' + ($err) + ' = vErrors[' + ($i) + ']; if (  ' + ($err) + '.keyword != \'' + ($keyword) + '\' ';
+        if ($config.options.keepErrors) {
+          out += ' && !' + ($err) + '.emUsed ';
+        }
+        out += ' && ' + ($err) + '.dataPath.indexOf(' + ($dataPath) + ') == 0 && (' + ($matches) + ' = ' + ($err) + '.dataPath.slice(' + ($dataPath) + '.length).match(/^\\/([^\\/]*)(?:\\/|$)/), ' + ($child) + ' = ' + ($matches) + ' && ' + ($matches) + '[1].replace(/~1/g, \'/\').replace(/~0/g, \'~\') ) !== undefined && ' + ($child) + ' in ' + ($errors) + ') { ' + ($errors) + '[' + ($child) + '].push(' + ($err) + ');  ';
+        if ($config.options.keepErrors) {
+          out += ' ' + ($err) + '.emUsed = true; ';
+        } else {
+          out += ' vErrors.splice(' + ($i) + ', 1); errors--; ';
+        }
+        out += ' } else { ' + ($i) + '++; } } for (var ' + ($key) + ' in ' + ($errors) + ') { if (' + ($errors) + '[' + ($key) + '].length) { var err = { keyword: \'' + ($keyword) + '\' , dataPath: ' + ($dataPath) + ' + \'/\' + ' + ($key) + '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\') , schemaPath: ' + ($errSchemaPathString) + ' + \'/' + ($keyword) + '\' , params: { errors: ' + ($errors) + '[' + ($key) + '] } , message: ' + ($key) + ' in ' + ($templates) + ' ? ' + ($templates) + '[' + ($key) + '] () : validate.schema' + ($schemaPath) + ($childProp) + '[' + ($key) + '] ';
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' };  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } }  }  ';
+      }
+    }
+    var $schemaMessage = typeof $schema == 'string' ? $schema : $schema._;
+    if ($schemaMessage) {
+      out += ' ' + ($i) + ' = 0; ' + ($errors) + ' = []; while (' + ($i) + ' < errors) { ' + ($err) + ' = vErrors[' + ($i) + ']; if (  ' + ($err) + '.keyword != \'' + ($keyword) + '\' ';
+      if ($config.options.keepErrors) {
+        out += ' && !' + ($err) + '.emUsed ';
+      }
+      out += ' && (' + ($err) + '.dataPath == ' + ($dataPath) + ' || (' + ($err) + '.dataPath.indexOf(' + ($dataPath) + ') == 0 && ' + ($err) + '.dataPath[' + ($dataPath) + '.length] == \'/\')) && ' + ($err) + '.schemaPath.indexOf(' + ($errSchemaPathString) + ') == 0 && ' + ($err) + '.schemaPath[' + (it.errSchemaPath.length) + '] == \'/\') { ' + ($errors) + '.push(' + ($err) + ');  ';
+      if ($config.options.keepErrors) {
+        out += ' ' + ($err) + '.emUsed = true; ';
+      } else {
+        out += ' vErrors.splice(' + ($i) + ', 1); errors--; ';
+      }
+      out += ' } else { ' + ($i) + '++; } } if (' + ($errors) + '.length) { var err = { keyword: \'' + ($keyword) + '\' , dataPath: ' + ($dataPath) + ' , schemaPath: ' + ($errSchemaPathString) + ' + \'/' + ($keyword) + '\' , params: { errors: ' + ($errors) + ' } , message: ' + (templateExpr($schemaMessage)) + ' ';
+      if (it.opts.verbose) {
+        out += ' , schema: ' + (it.util.toQuotedString($schemaMessage)) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' };  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+    }
+    out += ' }';
+  }
+
+  function templateExpr(str) {
+    str = it.util.escapeQuotes(str);
+    if (!INTERPOLATION.test(str)) return "'" + str + "'";
+    var expr = "'" + str.replace(INTERPOLATION_REPLACE, function($0, $1) {
+      return "' + JSON.stringify(" + it.util.getData($1, $dataLvl, it.dataPathArr) + ") + '";
+    }) + "'";
+    return expr.replace(EMPTY_STR, '');
+  }
+
+  function templateFunc(str) {
+    return 'function() { return ' + templateExpr(str) + '; }';
+  }
+  return out;
+}
diff --git a/node_modules/ajv-errors/package.json b/node_modules/ajv-errors/package.json
new file mode 100644
index 00000000..9eda8d50
--- /dev/null
+++ b/node_modules/ajv-errors/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "ajv-errors",
+  "version": "1.0.1",
+  "description": "Custom error messages in JSON-Schema for Ajv validator",
+  "main": "index.js",
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "build": "node node_modules/ajv/scripts/compile-dots.js node_modules/ajv/lib lib",
+    "eslint": "eslint *.js spec",
+    "test-spec": "mocha spec/*.spec.js -R spec",
+    "test-cov": "nyc npm run test-spec",
+    "test": "npm run eslint && npm run build && npm run test-cov",
+    "prepublish": "npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/ajv-errors.git"
+  },
+  "keywords": [
+    "ajv",
+    "json-schema",
+    "validator",
+    "error",
+    "messages"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/ajv-errors/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/ajv-errors#readme",
+  "peerDependencies": {
+    "ajv": ">=5.0.0"
+  },
+  "devDependencies": {
+    "ajv": "^5.0.0",
+    "coveralls": "^2.11.16",
+    "dot": "^1.1.1",
+    "eslint": "^3.17.0",
+    "glob": "^7.1.1",
+    "js-beautify": "^1.6.12",
+    "mocha": "^3.2.0",
+    "nyc": "^10.1.2",
+    "pre-commit": "^1.2.2"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  }
+}
diff --git a/node_modules/ajv-keywords/LICENSE b/node_modules/ajv-keywords/LICENSE
new file mode 100644
index 00000000..90139aa7
--- /dev/null
+++ b/node_modules/ajv-keywords/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/ajv-keywords/README.md b/node_modules/ajv-keywords/README.md
new file mode 100644
index 00000000..1964a220
--- /dev/null
+++ b/node_modules/ajv-keywords/README.md
@@ -0,0 +1,836 @@
+# ajv-keywords
+
+Custom JSON-Schema keywords for [Ajv](https://github.com/epoberezkin/ajv) validator
+
+[![Build Status](https://travis-ci.org/ajv-validator/ajv-keywords.svg?branch=master)](https://travis-ci.org/ajv-validator/ajv-keywords)
+[![npm](https://img.shields.io/npm/v/ajv-keywords.svg)](https://www.npmjs.com/package/ajv-keywords)
+[![npm downloads](https://img.shields.io/npm/dm/ajv-keywords.svg)](https://www.npmjs.com/package/ajv-keywords)
+[![Coverage Status](https://coveralls.io/repos/github/ajv-validator/ajv-keywords/badge.svg?branch=master)](https://coveralls.io/github/ajv-validator/ajv-keywords?branch=master)
+[![Dependabot](https://api.dependabot.com/badges/status?host=github&repo=ajv-validator/ajv-keywords)](https://app.dependabot.com/accounts/ajv-validator/repos/60477053)
+[![Gitter](https://img.shields.io/gitter/room/ajv-validator/ajv.svg)](https://gitter.im/ajv-validator/ajv)
+
+
+## Contents
+
+- [Install](#install)
+- [Usage](#usage)
+- [Keywords](#keywords)
+  - [Types](#types)
+    - [typeof](#typeof)
+    - [instanceof](#instanceof)
+  - [Keywords for numbers](#keywords-for-numbers)
+    - [range and exclusiveRange](#range-and-exclusiverange)
+  - [Keywords for strings](#keywords-for-strings)
+    - [regexp](#regexp)
+    - [formatMaximum / formatMinimum and formatExclusiveMaximum / formatExclusiveMinimum](#formatmaximum--formatminimum-and-formatexclusivemaximum--formatexclusiveminimum)
+    - [transform](#transform)<sup>\*</sup>
+  - [Keywords for arrays](#keywords-for-arrays)
+    - [uniqueItemProperties](#uniqueitemproperties)
+  - [Keywords for objects](#keywords-for-objects)
+    - [allRequired](#allrequired)
+    - [anyRequired](#anyrequired)
+    - [oneRequired](#onerequired)
+    - [patternRequired](#patternrequired)
+    - [prohibited](#prohibited)
+    - [deepProperties](#deepproperties)
+    - [deepRequired](#deeprequired)
+  - [Compound keywords](#compound-keywords)
+    - [switch](#switch) (deprecated)
+    - [select/selectCases/selectDefault](#selectselectcasesselectdefault) (BETA)
+  - [Keywords for all types](#keywords-for-all-types)
+    - [dynamicDefaults](#dynamicdefaults)<sup>\*</sup>
+- [Security contact](#security-contact)
+- [Open-source software support](#open-source-software-support)
+- [License](#license)
+
+<sup>\*</sup> - keywords that modify data
+
+
+## Install
+
+```
+npm install ajv-keywords
+```
+
+
+## Usage
+
+To add all available keywords:
+
+```javascript
+var Ajv = require('ajv');
+var ajv = new Ajv;
+require('ajv-keywords')(ajv);
+
+ajv.validate({ instanceof: 'RegExp' }, /.*/); // true
+ajv.validate({ instanceof: 'RegExp' }, '.*'); // false
+```
+
+To add a single keyword:
+
+```javascript
+require('ajv-keywords')(ajv, 'instanceof');
+```
+
+To add multiple keywords:
+
+```javascript
+require('ajv-keywords')(ajv, ['typeof', 'instanceof']);
+```
+
+To add a single keyword in browser (to avoid adding unused code):
+
+```javascript
+require('ajv-keywords/keywords/instanceof')(ajv);
+```
+
+
+## Keywords
+
+### Types
+
+#### `typeof`
+
+Based on JavaScript `typeof` operation.
+
+The value of the keyword should be a string (`"undefined"`, `"string"`, `"number"`, `"object"`, `"function"`, `"boolean"` or `"symbol"`) or array of strings.
+
+To pass validation the result of `typeof` operation on the value should be equal to the string (or one of the strings in the array).
+
+```
+ajv.validate({ typeof: 'undefined' }, undefined); // true
+ajv.validate({ typeof: 'undefined' }, null); // false
+ajv.validate({ typeof: ['undefined', 'object'] }, null); // true
+```
+
+
+#### `instanceof`
+
+Based on JavaScript `instanceof` operation.
+
+The value of the keyword should be a string (`"Object"`, `"Array"`, `"Function"`, `"Number"`, `"String"`, `"Date"`, `"RegExp"`, `"Promise"` or `"Buffer"`) or array of strings.
+
+To pass validation the result of `data instanceof ...` operation on the value should be true:
+
+```
+ajv.validate({ instanceof: 'Array' }, []); // true
+ajv.validate({ instanceof: 'Array' }, {}); // false
+ajv.validate({ instanceof: ['Array', 'Function'] }, function(){}); // true
+```
+
+You can add your own constructor function to be recognised by this keyword:
+
+```javascript
+function MyClass() {}
+var instanceofDefinition = require('ajv-keywords').get('instanceof').definition;
+// or require('ajv-keywords/keywords/instanceof').definition;
+instanceofDefinition.CONSTRUCTORS.MyClass = MyClass;
+
+ajv.validate({ instanceof: 'MyClass' }, new MyClass); // true
+```
+
+
+### Keywords for numbers
+
+#### `range` and `exclusiveRange`
+
+Syntax sugar for the combination of minimum and maximum keywords, also fails schema compilation if there are no numbers in the range.
+
+The value of this keyword must be the array consisting of two numbers, the second must be greater or equal than the first one.
+
+If the validated value is not a number the validation passes, otherwise to pass validation the value should be greater (or equal) than the first number and smaller (or equal) than the second number in the array. If `exclusiveRange` keyword is present in the same schema and its value is true, the validated value must not be equal to the range boundaries.
+
+```javascript
+var schema = { range: [1, 3] };
+ajv.validate(schema, 1); // true
+ajv.validate(schema, 2); // true
+ajv.validate(schema, 3); // true
+ajv.validate(schema, 0.99); // false
+ajv.validate(schema, 3.01); // false
+
+var schema = { range: [1, 3], exclusiveRange: true };
+ajv.validate(schema, 1.01); // true
+ajv.validate(schema, 2); // true
+ajv.validate(schema, 2.99); // true
+ajv.validate(schema, 1); // false
+ajv.validate(schema, 3); // false
+```
+
+
+### Keywords for strings
+
+#### `regexp`
+
+This keyword allows to use regular expressions with flags in schemas (the standard `pattern` keyword does not support flags).
+
+This keyword applies only to strings. If the data is not a string, the validation succeeds.
+
+The value of this keyword can be either a string (the result of `regexp.toString()`) or an object with the properties `pattern` and `flags` (the same strings that should be passed to RegExp constructor).
+
+```javascript
+var schema = {
+  type: 'object',
+  properties: {
+    foo: { regexp: '/foo/i' },
+    bar: { regexp: { pattern: 'bar', flags: 'i' } }
+  }
+};
+
+var validData = {
+  foo: 'Food',
+  bar: 'Barmen'
+};
+
+var invalidData = {
+  foo: 'fog',
+  bar: 'bad'
+};
+```
+
+
+#### `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum`
+
+These keywords allow to define minimum/maximum constraints when the format keyword defines ordering.
+
+These keywords apply only to strings. If the data is not a string, the validation succeeds.
+
+The value of keyword `formatMaximum` (`formatMinimum`) should be a string. This value is the maximum (minimum) allowed value for the data to be valid as determined by `format` keyword. If `format` is not present schema compilation will throw exception.
+
+When this keyword is added, it defines comparison rules for formats `"date"`, `"time"` and `"date-time"`. Custom formats also can have comparison rules. See [addFormat](https://github.com/epoberezkin/ajv#api-addformat) method.
+
+The value of keyword `formatExclusiveMaximum` (`formatExclusiveMinimum`) should be a boolean value. These keyword cannot be used without `formatMaximum` (`formatMinimum`). If this keyword value is equal to `true`, the data to be valid should not be equal to the value in `formatMaximum` (`formatMinimum`) keyword.
+
+```javascript
+require('ajv-keywords')(ajv, ['formatMinimum', 'formatMaximum']);
+
+var schema = {
+  format: 'date',
+  formatMinimum: '2016-02-06',
+  formatMaximum: '2016-12-27',
+  formatExclusiveMaximum: true
+}
+
+var validDataList = ['2016-02-06', '2016-12-26', 1];
+
+var invalidDataList = ['2016-02-05', '2016-12-27', 'abc'];
+```
+
+
+#### `transform`
+
+This keyword allows a string to be modified before validation. 
+
+These keywords apply only to strings. If the data is not a string, the transform is skipped.
+
+There are limitation due to how ajv is written:
+- a stand alone string cannot be transformed. ie `data = 'a'; ajv.validate(schema, data);`
+- currently cannot work with `ajv-pack`
+
+**Supported options:**
+- `trim`: remove whitespace from start and end
+- `trimLeft`: remove whitespace from start
+- `trimRight`: remove whitespace from end
+- `toLowerCase`: case string to all lower case
+- `toUpperCase`: case string to all upper case
+- `toEnumCase`: case string to match case in schema
+
+Options are applied in the order they are listed.
+
+Note: `toEnumCase` requires that all allowed values are unique when case insensitive.
+
+**Example: multiple options**
+```javascript
+require('ajv-keywords')(ajv, ['transform']);
+
+var schema = {
+  type: 'array',
+  items: {
+    type:'string',
+    transform:['trim','toLowerCase']
+  }
+};
+
+var data = ['  MixCase  '];
+ajv.validate(schema, data);
+console.log(data); // ['mixcase']
+
+```
+
+**Example: `enumcase`**
+```javascript
+require('ajv-keywords')(ajv, ['transform']);
+
+var schema = {
+  type: 'array',
+  items: {
+    type:'string',
+    transform:['trim','toEnumCase'],
+    enum:['pH']
+  }
+};
+
+var data = ['ph',' Ph','PH','pH '];
+ajv.validate(schema, data);
+console.log(data); // ['pH','pH','pH','pH']
+```
+
+
+### Keywords for arrays
+
+#### `uniqueItemProperties`
+
+The keyword allows to check that some properties in array items are unique.
+
+This keyword applies only to arrays. If the data is not an array, the validation succeeds.
+
+The value of this keyword must be an array of strings - property names that should have unique values across all items.
+
+```javascript
+var schema = { uniqueItemProperties: [ "id", "name" ] };
+
+var validData = [
+  { id: 1 },
+  { id: 2 },
+  { id: 3 }
+];
+
+var invalidData1 = [
+  { id: 1 },
+  { id: 1 }, // duplicate "id"
+  { id: 3 }
+];
+
+var invalidData2 = [
+  { id: 1, name: "taco" },
+  { id: 2, name: "taco" }, // duplicate "name"
+  { id: 3, name: "salsa" }
+];
+```
+
+This keyword is contributed by [@blainesch](https://github.com/blainesch).
+
+
+### Keywords for objects
+
+#### `allRequired`
+
+This keyword allows to require the presence of all properties used in `properties` keyword in the same schema object.
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value of this keyword must be boolean.
+
+If the value of the keyword is `false`, the validation succeeds.
+
+If the value of the keyword is `true`, the validation succeeds if the data contains all properties defined in `properties` keyword (in the same schema object).
+
+If the `properties` keyword is not present in the same schema object, schema compilation will throw exception.
+
+```javascript
+var schema = {
+  properties: {
+    foo: {type: 'number'},
+    bar: {type: 'number'}
+  }
+  allRequired: true
+};
+
+var validData = { foo: 1, bar: 2 };
+var alsoValidData = { foo: 1, bar: 2, baz: 3 };
+
+var invalidDataList = [ {}, { foo: 1 }, { bar: 2 } ];
+```
+
+
+#### `anyRequired`
+
+This keyword allows to require the presence of any (at least one) property from the list.
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value of this keyword must be an array of strings, each string being a property name. For data object to be valid at least one of the properties in this array should be present in the object.
+
+```javascript
+var schema = {
+  anyRequired: ['foo', 'bar']
+};
+
+var validData = { foo: 1 };
+var alsoValidData = { foo: 1, bar: 2 };
+
+var invalidDataList = [ {}, { baz: 3 } ];
+```
+
+
+#### `oneRequired`
+
+This keyword allows to require the presence of only one property from the list.
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value of this keyword must be an array of strings, each string being a property name. For data object to be valid exactly one of the properties in this array should be present in the object.
+
+```javascript
+var schema = {
+  oneRequired: ['foo', 'bar']
+};
+
+var validData = { foo: 1 };
+var alsoValidData = { bar: 2, baz: 3 };
+
+var invalidDataList = [ {}, { baz: 3 }, { foo: 1, bar: 2 } ];
+```
+
+
+#### `patternRequired`
+
+This keyword allows to require the presence of properties that match some pattern(s).
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value of this keyword should be an array of strings, each string being a regular expression. For data object to be valid each regular expression in this array should match at least one property name in the data object.
+
+If the array contains multiple regular expressions, more than one expression can match the same property name.
+
+```javascript
+var schema = { patternRequired: [ 'f.*o', 'b.*r' ] };
+
+var validData = { foo: 1, bar: 2 };
+var alsoValidData = { foobar: 3 };
+
+var invalidDataList = [ {}, { foo: 1 }, { bar: 2 } ];
+```
+
+
+#### `prohibited`
+
+This keyword allows to prohibit that any of the properties in the list is present in the object.
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value of this keyword should be an array of strings, each string being a property name. For data object to be valid none of the properties in this array should be present in the object.
+
+```
+var schema = { prohibited: ['foo', 'bar']};
+
+var validData = { baz: 1 };
+var alsoValidData = {};
+
+var invalidDataList = [
+  { foo: 1 },
+  { bar: 2 },
+  { foo: 1, bar: 2}
+];
+```
+
+__Please note__: `{prohibited: ['foo', 'bar']}` is equivalent to `{not: {anyRequired: ['foo', 'bar']}}` (i.e. it has the same validation result for any data).
+
+
+#### `deepProperties`
+
+This keyword allows to validate deep properties (identified by JSON pointers).
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value should be an object, where keys are JSON pointers to the data, starting from the current position in data, and the values are JSON schemas. For data object to be valid the value of each JSON pointer should be valid according to the corresponding schema.
+
+```javascript
+var schema = {
+  type: 'object',
+  deepProperties: {
+    "/users/1/role": { "enum": ["admin"] }
+  }
+};
+
+var validData = {
+  users: [
+    {},
+    {
+      id: 123,
+      role: 'admin'
+    }
+  ]
+};
+
+var alsoValidData = {
+  users: {
+    "1": {
+      id: 123,
+      role: 'admin'
+    }
+  }
+};
+
+var invalidData = {
+  users: [
+    {},
+    {
+      id: 123,
+      role: 'user'
+    }
+  ]
+};
+
+var alsoInvalidData = {
+  users: {
+    "1": {
+      id: 123,
+      role: 'user'
+    }
+  }
+};
+```
+
+
+#### `deepRequired`
+
+This keyword allows to check that some deep properties (identified by JSON pointers) are available.
+
+This keyword applies only to objects. If the data is not an object, the validation succeeds.
+
+The value should be an array of JSON pointers to the data, starting from the current position in data. For data object to be valid each JSON pointer should be some existing part of the data.
+
+```javascript
+var schema = {
+  type: 'object',
+  deepRequired: ["/users/1/role"]
+};
+
+var validData = {
+  users: [
+    {},
+    {
+      id: 123,
+      role: 'admin'
+    }
+  ]
+};
+
+var invalidData = {
+  users: [
+    {},
+    {
+      id: 123
+    }
+  ]
+};
+```
+
+See [json-schema-org/json-schema-spec#203](https://github.com/json-schema-org/json-schema-spec/issues/203#issue-197211916) for an example of the equivalent schema without `deepRequired` keyword.
+
+
+### Compound keywords
+
+#### `switch` (deprecated)
+
+__Please note__: this keyword is provided to preserve backward compatibility with previous versions of Ajv. It is strongly recommended to use `if`/`then`/`else` keywords instead, as they have been added to the draft-07 of JSON Schema specification.
+
+This keyword allows to perform advanced conditional validation.
+
+The value of the keyword is the array of if/then clauses. Each clause is the object with the following properties:
+
+- `if` (optional) - the value is JSON-schema
+- `then` (required) - the value is JSON-schema or boolean
+- `continue` (optional) - the value is boolean
+
+The validation process is dynamic; all clauses are executed sequentially in the following way:
+
+1. `if`:
+    1.  `if` property is JSON-schema according to which the data is:
+        1.  valid => go to step 2.
+        2.  invalid => go to the NEXT clause, if this was the last clause the validation of `switch` SUCCEEDS.
+    2.  `if` property is absent => go to step 2.
+2. `then`:
+    1.  `then` property is `true` or it is JSON-schema according to which the data is valid => go to step 3.
+    2.  `then` property is `false` or it is JSON-schema according to which the data is invalid => the validation of `switch` FAILS.
+3. `continue`:
+    1.  `continue` property is `true` => go to the NEXT clause, if this was the last clause the validation of `switch` SUCCEEDS.
+    2.  `continue` property is `false` or absent => validation of `switch` SUCCEEDS.
+
+```javascript
+require('ajv-keywords')(ajv, 'switch');
+
+var schema = {
+  type: 'array',
+  items: {
+    type: 'integer',
+    'switch': [
+      { if: { not: { minimum: 1 } }, then: false },
+      { if: { maximum: 10 }, then: true },
+      { if: { maximum: 100 }, then: { multipleOf: 10 } },
+      { if: { maximum: 1000 }, then: { multipleOf: 100 } },
+      { then: false }
+    ]
+  }
+};
+
+var validItems = [1, 5, 10, 20, 50, 100, 200, 500, 1000];
+
+var invalidItems = [1, 0, 2000, 11, 57, 123, 'foo'];
+```
+
+The above schema is equivalent to (for example):
+
+```javascript
+{
+  type: 'array',
+  items: {
+    type: 'integer',
+    if: { minimum: 1, maximum: 10 },
+    then: true,
+    else: {
+      if: { maximum: 100 },
+      then: { multipleOf: 10 },
+      else: {
+        if: { maximum: 1000 },
+        then: { multipleOf: 100 },
+        else: false
+      }
+    }
+  }
+}
+```
+
+
+#### `select`/`selectCases`/`selectDefault`
+
+These keywords allow to choose the schema to validate the data based on the value of some property in the validated data.
+
+These keywords must be present in the same schema object (`selectDefault` is optional).
+
+The value of `select` keyword should be a [$data reference](https://github.com/epoberezkin/ajv/tree/5.0.2-beta.0#data-reference) that points to any primitive JSON type (string, number, boolean or null) in the data that is validated. You can also use a constant of primitive type as the value of this keyword (e.g., for debugging purposes).
+
+The value of `selectCases` keyword must be an object where each property name is a possible string representation of the value of `select` keyword and each property value is a corresponding schema (from draft-06 it can be boolean) that must be used to validate the data.
+
+The value of `selectDefault` keyword is a schema (from draft-06 it can be boolean) that must be used to validate the data in case `selectCases` has no key equal to the stringified value of `select` keyword.
+
+The validation succeeds in one of the following cases:
+- the validation of data using selected schema succeeds,
+- none of the schemas is selected for validation,
+- the value of select is undefined (no property in the data that the data reference points to).
+
+If `select` value (in data) is not a primitive type the validation fails.
+
+__Please note__: these keywords require Ajv `$data` option to support [$data reference](https://github.com/epoberezkin/ajv/tree/5.0.2-beta.0#data-reference).
+
+
+```javascript
+require('ajv-keywords')(ajv, 'select');
+
+var schema = {
+  type: object,
+  required: ['kind'],
+  properties: {
+    kind: { type: 'string' }
+  },
+  select: { $data: '0/kind' },
+  selectCases: {
+    foo: {
+      required: ['foo'],
+      properties: {
+        kind: {},
+        foo: { type: 'string' }
+      },
+      additionalProperties: false
+    },
+    bar: {
+      required: ['bar'],
+      properties: {
+        kind: {},
+        bar: { type: 'number' }
+      },
+      additionalProperties: false
+    }
+  },
+  selectDefault: {
+    propertyNames: {
+      not: { enum: ['foo', 'bar'] }
+    }
+  }
+};
+
+var validDataList = [
+  { kind: 'foo', foo: 'any' },
+  { kind: 'bar', bar: 1 },
+  { kind: 'anything_else', not_bar_or_foo: 'any value' }
+];
+
+var invalidDataList = [
+  { kind: 'foo' }, // no propery foo
+  { kind: 'bar' }, // no propery bar
+  { kind: 'foo', foo: 'any', another: 'any value' }, // additional property
+  { kind: 'bar', bar: 1, another: 'any value' }, // additional property
+  { kind: 'anything_else', foo: 'any' } // property foo not allowed
+  { kind: 'anything_else', bar: 1 } // property bar not allowed
+];
+```
+
+__Please note__: the current implementation is BETA. It does not allow using relative URIs in $ref keywords in schemas in `selectCases` and `selectDefault` that point outside of these schemas. The workaround is to use absolute URIs (that can point to any (sub-)schema added to Ajv, including those inside the current root schema where `select` is used). See [tests](https://github.com/epoberezkin/ajv-keywords/blob/v2.0.0/spec/tests/select.json#L314).
+
+
+### Keywords for all types
+
+#### `dynamicDefaults`
+
+This keyword allows to assign dynamic defaults to properties, such as timestamps, unique IDs etc.
+
+This keyword only works if `useDefaults` options is used and not inside `anyOf` keywords etc., in the same way as [default keyword treated by Ajv](https://github.com/epoberezkin/ajv#assigning-defaults).
+
+The keyword should be added on the object level. Its value should be an object with each property corresponding to a property name, in the same way as in standard `properties` keyword. The value of each property can be:
+
+- an identifier of default function (a string)
+- an object with properties `func` (an identifier) and `args` (an object with parameters that will be passed to this function during schema compilation - see examples).
+
+The properties used in `dynamicDefaults` should not be added to `required` keyword (or validation will fail), because unlike `default` this keyword is processed after validation.
+
+There are several predefined dynamic default functions:
+
+- `"timestamp"` - current timestamp in milliseconds
+- `"datetime"` - current date and time as string (ISO, valid according to `date-time` format)
+- `"date"` - current date as string (ISO, valid according to `date` format)
+- `"time"` - current time as string (ISO, valid according to `time` format)
+- `"random"` - pseudo-random number in [0, 1) interval
+- `"randomint"` - pseudo-random integer number. If string is used as a property value, the function will randomly return 0 or 1. If object `{ func: 'randomint', args: { max: N } }` is used then the default will be an integer number in [0, N) interval.
+- `"seq"` - sequential integer number starting from 0. If string is used as a property value, the default sequence will be used. If object `{ func: 'seq', args: { name: 'foo'} }` is used then the sequence with name `"foo"` will be used. Sequences are global, even if different ajv instances are used.
+
+```javascript
+var schema = {
+  type: 'object',
+  dynamicDefaults: {
+    ts: 'datetime',
+    r: { func: 'randomint', args: { max: 100 } },
+    id: { func: 'seq', args: { name: 'id' } }
+  },
+  properties: {
+    ts: {
+      type: 'string',
+      format: 'date-time'
+    },
+    r: {
+      type: 'integer',
+      minimum: 0,
+      exclusiveMaximum: 100
+    },
+    id: {
+      type: 'integer',
+      minimum: 0
+    }
+  }
+};
+
+var data = {};
+ajv.validate(data); // true
+data; // { ts: '2016-12-01T22:07:28.829Z', r: 25, id: 0 }
+
+var data1 = {};
+ajv.validate(data1); // true
+data1; // { ts: '2016-12-01T22:07:29.832Z', r: 68, id: 1 }
+
+ajv.validate(data1); // true
+data1; // didn't change, as all properties were defined
+```
+
+When using the `useDefaults` option value `"empty"`, properties and items equal to `null` or `""` (empty string) will be considered missing and assigned defaults.  Use the `allOf` [compound keyword](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#compound-keywords) to execute `dynamicDefaults` before validation.
+
+```javascript
+var schema = {
+  allOf: [
+    {
+      dynamicDefaults: {
+        ts: 'datetime',
+        r: { func: 'randomint', args: { min: 5, max: 100 } },
+        id: { func: 'seq', args: { name: 'id' } }
+      }
+    },
+    {
+      type: 'object',
+      properties: {
+        ts: {
+          type: 'string'
+        },
+        r: {
+          type: 'number',
+          minimum: 5,
+          exclusiveMaximum: 100
+        },
+        id: {
+          type: 'integer',
+          minimum: 0
+        }
+      }
+    }
+  ]
+};
+
+var data = { ts: '', r: null };
+ajv.validate(data); // true
+data; // { ts: '2016-12-01T22:07:28.829Z', r: 25, id: 0 }
+```
+
+You can add your own dynamic default function to be recognised by this keyword:
+
+```javascript
+var uuid = require('uuid');
+
+function uuidV4() { return uuid.v4(); }
+
+var definition = require('ajv-keywords').get('dynamicDefaults').definition;
+// or require('ajv-keywords/keywords/dynamicDefaults').definition;
+definition.DEFAULTS.uuid = uuidV4;
+
+var schema = {
+  dynamicDefaults: { id: 'uuid' },
+  properties: { id: { type: 'string', format: 'uuid' } }
+};
+
+var data = {};
+ajv.validate(schema, data); // true
+data; // { id: 'a1183fbe-697b-4030-9bcc-cfeb282a9150' };
+
+var data1 = {};
+ajv.validate(schema, data1); // true
+data1; // { id: '5b008de7-1669-467a-a5c6-70fa244d7209' }
+```
+
+You also can define dynamic default that accepts parameters, e.g. version of uuid:
+
+```javascript
+var uuid = require('uuid');
+
+function getUuid(args) {
+  var version = 'v' + (arvs && args.v || 4);
+  return function() {
+    return uuid[version]();
+  };
+}
+
+var definition = require('ajv-keywords').get('dynamicDefaults').definition;
+definition.DEFAULTS.uuid = getUuid;
+
+var schema = {
+  dynamicDefaults: {
+    id1: 'uuid', // v4
+    id2: { func: 'uuid', v: 4 }, // v4
+    id3: { func: 'uuid', v: 1 } // v1
+  }
+};
+```
+
+
+## Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
+
+Please do NOT report security vulnerabilities via GitHub issues.
+
+
+## Open-source software support
+
+Ajv-keywords is a part of [Tidelift subscription](https://tidelift.com/subscription/pkg/npm-ajv-keywords?utm_source=npm-ajv-keywords&utm_medium=referral&utm_campaign=readme) - it provides a centralised support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/ajv-keywords/blob/master/LICENSE)
diff --git a/node_modules/ajv-keywords/ajv-keywords.d.ts b/node_modules/ajv-keywords/ajv-keywords.d.ts
new file mode 100644
index 00000000..2d562ee4
--- /dev/null
+++ b/node_modules/ajv-keywords/ajv-keywords.d.ts
@@ -0,0 +1,7 @@
+declare module 'ajv-keywords' {
+  import { Ajv } from 'ajv';
+
+  function keywords(ajv: Ajv, include?: string | string[]): Ajv;
+
+  export = keywords;
+}
diff --git a/node_modules/ajv-keywords/index.js b/node_modules/ajv-keywords/index.js
new file mode 100644
index 00000000..07a8edab
--- /dev/null
+++ b/node_modules/ajv-keywords/index.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var KEYWORDS = require('./keywords');
+
+module.exports = defineKeywords;
+
+
+/**
+ * Defines one or several keywords in ajv instance
+ * @param  {Ajv} ajv validator instance
+ * @param  {String|Array<String>|undefined} keyword keyword(s) to define
+ * @return {Ajv} ajv instance (for chaining)
+ */
+function defineKeywords(ajv, keyword) {
+  if (Array.isArray(keyword)) {
+    for (var i=0; i<keyword.length; i++)
+      get(keyword[i])(ajv);
+    return ajv;
+  }
+  if (keyword) {
+    get(keyword)(ajv);
+    return ajv;
+  }
+  for (keyword in KEYWORDS) get(keyword)(ajv);
+  return ajv;
+}
+
+
+defineKeywords.get = get;
+
+function get(keyword) {
+  var defFunc = KEYWORDS[keyword];
+  if (!defFunc) throw new Error('Unknown keyword ' + keyword);
+  return defFunc;
+}
diff --git a/node_modules/ajv-keywords/keywords/_formatLimit.js b/node_modules/ajv-keywords/keywords/_formatLimit.js
new file mode 100644
index 00000000..e731a8a0
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/_formatLimit.js
@@ -0,0 +1,101 @@
+'use strict';
+
+var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d:\d\d)?$/i;
+var DATE_TIME_SEPARATOR = /t|\s/i;
+
+var COMPARE_FORMATS = {
+  date: compareDate,
+  time: compareTime,
+  'date-time': compareDateTime
+};
+
+var $dataMetaSchema = {
+  type: 'object',
+  required: [ '$data' ],
+  properties: {
+    $data: {
+      type: 'string',
+      anyOf: [
+        { format: 'relative-json-pointer' },
+        { format: 'json-pointer' }
+      ]
+    }
+  },
+  additionalProperties: false
+};
+
+module.exports = function (minMax) {
+  var keyword = 'format' + minMax;
+  return function defFunc(ajv) {
+    defFunc.definition = {
+      type: 'string',
+      inline: require('./dotjs/_formatLimit'),
+      statements: true,
+      errors: 'full',
+      dependencies: ['format'],
+      metaSchema: {
+        anyOf: [
+          {type: 'string'},
+          $dataMetaSchema
+        ]
+      }
+    };
+
+    ajv.addKeyword(keyword, defFunc.definition);
+    ajv.addKeyword('formatExclusive' + minMax, {
+      dependencies: ['format' + minMax],
+      metaSchema: {
+        anyOf: [
+          {type: 'boolean'},
+          $dataMetaSchema
+        ]
+      }
+    });
+    extendFormats(ajv);
+    return ajv;
+  };
+};
+
+
+function extendFormats(ajv) {
+  var formats = ajv._formats;
+  for (var name in COMPARE_FORMATS) {
+    var format = formats[name];
+    // the last condition is needed if it's RegExp from another window
+    if (typeof format != 'object' || format instanceof RegExp || !format.validate)
+      format = formats[name] = { validate: format };
+    if (!format.compare)
+      format.compare = COMPARE_FORMATS[name];
+  }
+}
+
+
+function compareDate(d1, d2) {
+  if (!(d1 && d2)) return;
+  if (d1 > d2) return 1;
+  if (d1 < d2) return -1;
+  if (d1 === d2) return 0;
+}
+
+
+function compareTime(t1, t2) {
+  if (!(t1 && t2)) return;
+  t1 = t1.match(TIME);
+  t2 = t2.match(TIME);
+  if (!(t1 && t2)) return;
+  t1 = t1[1] + t1[2] + t1[3] + (t1[4]||'');
+  t2 = t2[1] + t2[2] + t2[3] + (t2[4]||'');
+  if (t1 > t2) return 1;
+  if (t1 < t2) return -1;
+  if (t1 === t2) return 0;
+}
+
+
+function compareDateTime(dt1, dt2) {
+  if (!(dt1 && dt2)) return;
+  dt1 = dt1.split(DATE_TIME_SEPARATOR);
+  dt2 = dt2.split(DATE_TIME_SEPARATOR);
+  var res = compareDate(dt1[0], dt2[0]);
+  if (res === undefined) return;
+  return res || compareTime(dt1[1], dt2[1]);
+}
diff --git a/node_modules/ajv-keywords/keywords/_util.js b/node_modules/ajv-keywords/keywords/_util.js
new file mode 100644
index 00000000..dd52df72
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/_util.js
@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = {
+  metaSchemaRef: metaSchemaRef
+};
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+
+function metaSchemaRef(ajv) {
+  var defaultMeta = ajv._opts.defaultMeta;
+  if (typeof defaultMeta == 'string') return { $ref: defaultMeta };
+  if (ajv.getSchema(META_SCHEMA_ID)) return { $ref: META_SCHEMA_ID };
+  console.warn('meta schema not defined');
+  return {};
+}
diff --git a/node_modules/ajv-keywords/keywords/allRequired.js b/node_modules/ajv-keywords/keywords/allRequired.js
new file mode 100644
index 00000000..afc73ebf
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/allRequired.js
@@ -0,0 +1,18 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema, parentSchema) {
+      if (!schema) return true;
+      var properties = Object.keys(parentSchema.properties);
+      if (properties.length == 0) return true;
+      return {required: properties};
+    },
+    metaSchema: {type: 'boolean'},
+    dependencies: ['properties']
+  };
+
+  ajv.addKeyword('allRequired', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/anyRequired.js b/node_modules/ajv-keywords/keywords/anyRequired.js
new file mode 100644
index 00000000..acc55a92
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/anyRequired.js
@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema) {
+      if (schema.length == 0) return true;
+      if (schema.length == 1) return {required: schema};
+      var schemas = schema.map(function (prop) {
+        return {required: [prop]};
+      });
+      return {anyOf: schemas};
+    },
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string'
+      }
+    }
+  };
+
+  ajv.addKeyword('anyRequired', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/deepProperties.js b/node_modules/ajv-keywords/keywords/deepProperties.js
new file mode 100644
index 00000000..e5aff605
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/deepProperties.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var util = require('./_util');
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema) {
+      var schemas = [];
+      for (var pointer in schema)
+        schemas.push(getSchema(pointer, schema[pointer]));
+      return {'allOf': schemas};
+    },
+    metaSchema: {
+      type: 'object',
+      propertyNames: {
+        type: 'string',
+        format: 'json-pointer'
+      },
+      additionalProperties: util.metaSchemaRef(ajv)
+    }
+  };
+
+  ajv.addKeyword('deepProperties', defFunc.definition);
+  return ajv;
+};
+
+
+function getSchema(jsonPointer, schema) {
+  var segments = jsonPointer.split('/');
+  var rootSchema = {};
+  var pointerSchema = rootSchema;
+  for (var i=1; i<segments.length; i++) {
+    var segment = segments[i];
+    var isLast = i == segments.length - 1;
+    segment = unescapeJsonPointer(segment);
+    var properties = pointerSchema.properties = {};
+    var items = undefined;
+    if (/[0-9]+/.test(segment)) {
+      var count = +segment;
+      items = pointerSchema.items = [];
+      while (count--) items.push({});
+    }
+    pointerSchema = isLast ? schema : {};
+    properties[segment] = pointerSchema;
+    if (items) items.push(pointerSchema);
+  }
+  return rootSchema;
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
diff --git a/node_modules/ajv-keywords/keywords/deepRequired.js b/node_modules/ajv-keywords/keywords/deepRequired.js
new file mode 100644
index 00000000..29e8ab56
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/deepRequired.js
@@ -0,0 +1,57 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    inline: function (it, keyword, schema) {
+      var expr = '';
+      for (var i=0; i<schema.length; i++) {
+        if (i) expr += ' && ';
+        expr += '(' + getData(schema[i], it.dataLevel) + ' !== undefined)';
+      }
+      return expr;
+    },
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string',
+        format: 'json-pointer'
+      }
+    }
+  };
+
+  ajv.addKeyword('deepRequired', defFunc.definition);
+  return ajv;
+};
+
+
+function getData(jsonPointer, lvl) {
+  var data = 'data' + (lvl || '');
+  if (!jsonPointer) return data;
+
+  var expr = data;
+  var segments = jsonPointer.split('/');
+  for (var i=1; i<segments.length; i++) {
+    var segment = segments[i];
+    data += getProperty(unescapeJsonPointer(segment));
+    expr += ' && ' + data;
+  }
+  return expr;
+}
+
+
+var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
+var INTEGER = /^[0-9]+$/;
+var SINGLE_QUOTE = /'|\\/g;
+function getProperty(key) {
+  return INTEGER.test(key)
+          ? '[' + key + ']'
+          : IDENTIFIER.test(key)
+            ? '.' + key
+            : "['" + key.replace(SINGLE_QUOTE, '\\$&') + "']";
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
diff --git a/node_modules/ajv-keywords/keywords/dot/_formatLimit.jst b/node_modules/ajv-keywords/keywords/dot/_formatLimit.jst
new file mode 100644
index 00000000..f7409655
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dot/_formatLimit.jst
@@ -0,0 +1,116 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+var {{=$valid}} = undefined;
+
+{{## def.skipFormatLimit:
+  {{=$valid}} = true;
+  {{ return out; }}
+#}}
+
+{{## def.compareFormat:
+  {{? $isData }}
+    if ({{=$schemaValue}} === undefined) {{=$valid}} = true;
+    else if (typeof {{=$schemaValue}} != 'string') {{=$valid}} = false;
+    else {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+
+  {{? $isDataFormat }}
+    if (!{{=$compare}}) {{=$valid}} = true;
+    else {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+
+  var {{=$result}} = {{=$compare}}({{=$data}}, {{# def.schemaValueQS }});
+
+  if ({{=$result}} === undefined) {{=$valid}} = false;
+#}}
+
+
+{{? it.opts.format === false }}{{# def.skipFormatLimit }}{{?}}
+
+{{
+  var $schemaFormat = it.schema.format
+    , $isDataFormat = it.opts.$data && $schemaFormat.$data
+    , $closingBraces = '';
+}}
+
+{{? $isDataFormat }}
+  {{
+    var $schemaValueFormat = it.util.getData($schemaFormat.$data, $dataLvl, it.dataPathArr)
+      , $format = 'format' + $lvl
+      , $compare = 'compare' + $lvl;
+  }}
+
+  var {{=$format}} = formats[{{=$schemaValueFormat}}]
+    , {{=$compare}} = {{=$format}} && {{=$format}}.compare;
+{{??}}
+  {{ var $format = it.formats[$schemaFormat]; }}
+  {{? !($format && $format.compare) }}
+    {{# def.skipFormatLimit }}
+  {{?}}
+  {{ var $compare = 'formats' + it.util.getProperty($schemaFormat) + '.compare'; }}
+{{?}}
+
+{{
+  var $isMax = $keyword == 'formatMaximum'
+    , $exclusiveKeyword = 'formatExclusive' + ($isMax ? 'Maximum' : 'Minimum')
+    , $schemaExcl = it.schema[$exclusiveKeyword]
+    , $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data
+    , $op = $isMax ? '<' : '>'
+    , $result = 'result' + $lvl;
+}}
+
+{{# def.$data }}
+
+
+{{? $isDataExcl }}
+  {{
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr)
+      , $exclusive = 'exclusive' + $lvl
+      , $opExpr = 'op' + $lvl
+      , $opStr = '\' + ' + $opExpr + ' + \'';
+  }}
+  var schemaExcl{{=$lvl}} = {{=$schemaValueExcl}};
+  {{ $schemaValueExcl = 'schemaExcl' + $lvl; }}
+
+  if (typeof {{=$schemaValueExcl}} != 'boolean' && {{=$schemaValueExcl}} !== undefined) {
+    {{=$valid}} = false;
+    {{ var $errorKeyword = $exclusiveKeyword; }}
+    {{# def.error:'_formatExclusiveLimit' }}
+  }
+
+  {{# def.elseIfValid }}
+
+  {{# def.compareFormat }}
+  var {{=$exclusive}} = {{=$schemaValueExcl}} === true;
+
+  if ({{=$valid}} === undefined) {
+    {{=$valid}} = {{=$exclusive}}
+                  ? {{=$result}} {{=$op}} 0
+                  : {{=$result}} {{=$op}}= 0;
+  }
+
+  if (!{{=$valid}}) var op{{=$lvl}} = {{=$exclusive}} ? '{{=$op}}' : '{{=$op}}=';
+{{??}}
+  {{
+    var $exclusive = $schemaExcl === true
+      , $opStr = $op;  /*used in error*/
+    if (!$exclusive) $opStr += '=';
+    var $opExpr = '\'' + $opStr + '\''; /*used in error*/
+  }}
+
+  {{# def.compareFormat }}
+
+  if ({{=$valid}} === undefined)
+    {{=$valid}} = {{=$result}} {{=$op}}{{?!$exclusive}}={{?}} 0;
+{{?}}
+
+{{= $closingBraces }}
+
+if (!{{=$valid}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_formatLimit' }}
+}
diff --git a/node_modules/ajv-keywords/keywords/dot/patternRequired.jst b/node_modules/ajv-keywords/keywords/dot/patternRequired.jst
new file mode 100644
index 00000000..6f82f626
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dot/patternRequired.jst
@@ -0,0 +1,33 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{
+  var $key = 'key' + $lvl
+    , $idx = 'idx' + $lvl
+    , $matched = 'patternMatched' + $lvl
+    , $dataProperties = 'dataProperties' + $lvl
+    , $closingBraces = ''
+    , $ownProperties = it.opts.ownProperties;
+}}
+
+var {{=$valid}} = true;
+{{? $ownProperties }}
+  var {{=$dataProperties}} = undefined;
+{{?}}
+
+{{~ $schema:$pProperty }}
+  var {{=$matched}} = false;
+  {{# def.iterateProperties }}
+    {{=$matched}} = {{= it.usePattern($pProperty) }}.test({{=$key}});
+    if ({{=$matched}}) break;
+  }
+
+  {{ var $missingPattern = it.util.escapeQuotes($pProperty); }}
+  if (!{{=$matched}}) {
+    {{=$valid}} = false;
+    {{# def.addError:'patternRequired' }}
+  } {{# def.elseIfValid }}
+{{~}}
+
+{{= $closingBraces }}
diff --git a/node_modules/ajv-keywords/keywords/dot/switch.jst b/node_modules/ajv-keywords/keywords/dot/switch.jst
new file mode 100644
index 00000000..24d68cfc
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dot/switch.jst
@@ -0,0 +1,71 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateIf:
+  {{# def.setCompositeRule }}
+  {{ $it.createErrors = false; }}
+  {{# def._validateSwitchRule:if }}
+  {{ $it.createErrors = true; }}
+  {{# def.resetCompositeRule }}
+  {{=$ifPassed}} = {{=$nextValid}};
+#}}
+
+{{## def.validateThen:
+  {{? typeof $sch.then == 'boolean' }}
+    {{? $sch.then === false }}
+      {{# def.error:'switch' }}
+    {{?}}
+    var {{=$nextValid}} = {{= $sch.then }};
+  {{??}}
+    {{# def._validateSwitchRule:then }}
+  {{?}}
+#}}
+
+{{## def._validateSwitchRule:_clause:
+  {{
+    $it.schema = $sch._clause;
+    $it.schemaPath = $schemaPath + '[' + $caseIndex + ']._clause';
+    $it.errSchemaPath = $errSchemaPath + '/' + $caseIndex + '/_clause';
+  }}
+  {{# def.insertSubschemaCode }}
+#}}
+
+{{## def.switchCase:
+  {{? $sch.if && {{# def.nonEmptySchema:$sch.if }} }}
+    var {{=$errs}} = errors;
+    {{# def.validateIf }}
+    if ({{=$ifPassed}}) {
+      {{# def.validateThen }}  
+    } else {
+      {{# def.resetErrors }}
+    }
+  {{??}}
+    {{=$ifPassed}} = true;
+    {{# def.validateThen }}
+  {{?}}
+#}}
+
+
+{{
+  var $ifPassed = 'ifPassed' + it.level
+    , $currentBaseId = $it.baseId
+    , $shouldContinue;
+}}
+var {{=$ifPassed}};
+
+{{~ $schema:$sch:$caseIndex }}
+  {{? $caseIndex && !$shouldContinue }}
+    if (!{{=$ifPassed}}) {
+    {{ $closingBraces+= '}'; }}
+  {{?}}
+
+  {{# def.switchCase }}
+  {{ $shouldContinue = $sch.continue }}
+{{~}}
+
+{{= $closingBraces }}
+
+var {{=$valid}} = {{=$nextValid}};
diff --git a/node_modules/ajv-keywords/keywords/dotjs/README.md b/node_modules/ajv-keywords/keywords/dotjs/README.md
new file mode 100644
index 00000000..e2846c86
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dotjs/README.md
@@ -0,0 +1,3 @@
+These files are compiled dot templates from dot folder.
+
+Do NOT edit them directly, edit the templates and run `npm run build` from main ajv-keywords folder.
diff --git a/node_modules/ajv-keywords/keywords/dotjs/_formatLimit.js b/node_modules/ajv-keywords/keywords/dotjs/_formatLimit.js
new file mode 100644
index 00000000..d2af6388
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dotjs/_formatLimit.js
@@ -0,0 +1,178 @@
+'use strict';
+module.exports = function generate__formatLimit(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  out += 'var ' + ($valid) + ' = undefined;';
+  if (it.opts.format === false) {
+    out += ' ' + ($valid) + ' = true; ';
+    return out;
+  }
+  var $schemaFormat = it.schema.format,
+    $isDataFormat = it.opts.$data && $schemaFormat.$data,
+    $closingBraces = '';
+  if ($isDataFormat) {
+    var $schemaValueFormat = it.util.getData($schemaFormat.$data, $dataLvl, it.dataPathArr),
+      $format = 'format' + $lvl,
+      $compare = 'compare' + $lvl;
+    out += ' var ' + ($format) + ' = formats[' + ($schemaValueFormat) + '] , ' + ($compare) + ' = ' + ($format) + ' && ' + ($format) + '.compare;';
+  } else {
+    var $format = it.formats[$schemaFormat];
+    if (!($format && $format.compare)) {
+      out += '  ' + ($valid) + ' = true; ';
+      return out;
+    }
+    var $compare = 'formats' + it.util.getProperty($schemaFormat) + '.compare';
+  }
+  var $isMax = $keyword == 'formatMaximum',
+    $exclusiveKeyword = 'formatExclusive' + ($isMax ? 'Maximum' : 'Minimum'),
+    $schemaExcl = it.schema[$exclusiveKeyword],
+    $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
+    $op = $isMax ? '<' : '>',
+    $result = 'result' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if ($isDataExcl) {
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
+      $exclusive = 'exclusive' + $lvl,
+      $opExpr = 'op' + $lvl,
+      $opStr = '\' + ' + $opExpr + ' + \'';
+    out += ' var schemaExcl' + ($lvl) + ' = ' + ($schemaValueExcl) + '; ';
+    $schemaValueExcl = 'schemaExcl' + $lvl;
+    out += ' if (typeof ' + ($schemaValueExcl) + ' != \'boolean\' && ' + ($schemaValueExcl) + ' !== undefined) { ' + ($valid) + ' = false; ';
+    var $errorKeyword = $exclusiveKeyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || '_formatExclusiveLimit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'' + ($exclusiveKeyword) + ' should be boolean\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' }  ';
+    if ($breakOnError) {
+      $closingBraces += '}';
+      out += ' else { ';
+    }
+    if ($isData) {
+      out += ' if (' + ($schemaValue) + ' === undefined) ' + ($valid) + ' = true; else if (typeof ' + ($schemaValue) + ' != \'string\') ' + ($valid) + ' = false; else { ';
+      $closingBraces += '}';
+    }
+    if ($isDataFormat) {
+      out += ' if (!' + ($compare) + ') ' + ($valid) + ' = true; else { ';
+      $closingBraces += '}';
+    }
+    out += ' var ' + ($result) + ' = ' + ($compare) + '(' + ($data) + ',  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += ' ); if (' + ($result) + ' === undefined) ' + ($valid) + ' = false; var ' + ($exclusive) + ' = ' + ($schemaValueExcl) + ' === true; if (' + ($valid) + ' === undefined) { ' + ($valid) + ' = ' + ($exclusive) + ' ? ' + ($result) + ' ' + ($op) + ' 0 : ' + ($result) + ' ' + ($op) + '= 0; } if (!' + ($valid) + ') var op' + ($lvl) + ' = ' + ($exclusive) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\';';
+  } else {
+    var $exclusive = $schemaExcl === true,
+      $opStr = $op;
+    if (!$exclusive) $opStr += '=';
+    var $opExpr = '\'' + $opStr + '\'';
+    if ($isData) {
+      out += ' if (' + ($schemaValue) + ' === undefined) ' + ($valid) + ' = true; else if (typeof ' + ($schemaValue) + ' != \'string\') ' + ($valid) + ' = false; else { ';
+      $closingBraces += '}';
+    }
+    if ($isDataFormat) {
+      out += ' if (!' + ($compare) + ') ' + ($valid) + ' = true; else { ';
+      $closingBraces += '}';
+    }
+    out += ' var ' + ($result) + ' = ' + ($compare) + '(' + ($data) + ',  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += ' ); if (' + ($result) + ' === undefined) ' + ($valid) + ' = false; if (' + ($valid) + ' === undefined) ' + ($valid) + ' = ' + ($result) + ' ' + ($op);
+    if (!$exclusive) {
+      out += '=';
+    }
+    out += ' 0;';
+  }
+  out += '' + ($closingBraces) + 'if (!' + ($valid) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_formatLimit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { comparison: ' + ($opExpr) + ', limit:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += ' , exclusive: ' + ($exclusive) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be ' + ($opStr) + ' "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '}';
+  return out;
+}
diff --git a/node_modules/ajv-keywords/keywords/dotjs/patternRequired.js b/node_modules/ajv-keywords/keywords/dotjs/patternRequired.js
new file mode 100644
index 00000000..31bd0b68
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dotjs/patternRequired.js
@@ -0,0 +1,58 @@
+'use strict';
+module.exports = function generate_patternRequired(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $key = 'key' + $lvl,
+    $idx = 'idx' + $lvl,
+    $matched = 'patternMatched' + $lvl,
+    $dataProperties = 'dataProperties' + $lvl,
+    $closingBraces = '',
+    $ownProperties = it.opts.ownProperties;
+  out += 'var ' + ($valid) + ' = true;';
+  if ($ownProperties) {
+    out += ' var ' + ($dataProperties) + ' = undefined;';
+  }
+  var arr1 = $schema;
+  if (arr1) {
+    var $pProperty, i1 = -1,
+      l1 = arr1.length - 1;
+    while (i1 < l1) {
+      $pProperty = arr1[i1 += 1];
+      out += ' var ' + ($matched) + ' = false;  ';
+      if ($ownProperties) {
+        out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+      } else {
+        out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+      }
+      out += ' ' + ($matched) + ' = ' + (it.usePattern($pProperty)) + '.test(' + ($key) + '); if (' + ($matched) + ') break; } ';
+      var $missingPattern = it.util.escapeQuotes($pProperty);
+      out += ' if (!' + ($matched) + ') { ' + ($valid) + ' = false;  var err =   '; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ('patternRequired') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingPattern: \'' + ($missingPattern) + '\' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should have property matching pattern \\\'' + ($missingPattern) + '\\\'\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; }   ';
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+  }
+  out += '' + ($closingBraces);
+  return out;
+}
diff --git a/node_modules/ajv-keywords/keywords/dotjs/switch.js b/node_modules/ajv-keywords/keywords/dotjs/switch.js
new file mode 100644
index 00000000..0a3fb80c
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dotjs/switch.js
@@ -0,0 +1,129 @@
+'use strict';
+module.exports = function generate_switch(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $ifPassed = 'ifPassed' + it.level,
+    $currentBaseId = $it.baseId,
+    $shouldContinue;
+  out += 'var ' + ($ifPassed) + ';';
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $caseIndex = -1,
+      l1 = arr1.length - 1;
+    while ($caseIndex < l1) {
+      $sch = arr1[$caseIndex += 1];
+      if ($caseIndex && !$shouldContinue) {
+        out += ' if (!' + ($ifPassed) + ') { ';
+        $closingBraces += '}';
+      }
+      if ($sch.if && (it.opts.strictKeywords ? typeof $sch.if == 'object' && Object.keys($sch.if).length > 0 : it.util.schemaHasRules($sch.if, it.RULES.all))) {
+        out += ' var ' + ($errs) + ' = errors;   ';
+        var $wasComposite = it.compositeRule;
+        it.compositeRule = $it.compositeRule = true;
+        $it.createErrors = false;
+        $it.schema = $sch.if;
+        $it.schemaPath = $schemaPath + '[' + $caseIndex + '].if';
+        $it.errSchemaPath = $errSchemaPath + '/' + $caseIndex + '/if';
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        $it.createErrors = true;
+        it.compositeRule = $it.compositeRule = $wasComposite;
+        out += ' ' + ($ifPassed) + ' = ' + ($nextValid) + '; if (' + ($ifPassed) + ') {  ';
+        if (typeof $sch.then == 'boolean') {
+          if ($sch.then === false) {
+            var $$outStack = $$outStack || [];
+            $$outStack.push(out);
+            out = ''; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('switch') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { caseIndex: ' + ($caseIndex) + ' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should pass "switch" keyword validation\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            var __err = out;
+            out = $$outStack.pop();
+            if (!it.compositeRule && $breakOnError) {
+              /* istanbul ignore if */
+              if (it.async) {
+                out += ' throw new ValidationError([' + (__err) + ']); ';
+              } else {
+                out += ' validate.errors = [' + (__err) + ']; return false; ';
+              }
+            } else {
+              out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+            }
+          }
+          out += ' var ' + ($nextValid) + ' = ' + ($sch.then) + '; ';
+        } else {
+          $it.schema = $sch.then;
+          $it.schemaPath = $schemaPath + '[' + $caseIndex + '].then';
+          $it.errSchemaPath = $errSchemaPath + '/' + $caseIndex + '/then';
+          out += '  ' + (it.validate($it)) + ' ';
+          $it.baseId = $currentBaseId;
+        }
+        out += '  } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } } ';
+      } else {
+        out += ' ' + ($ifPassed) + ' = true;  ';
+        if (typeof $sch.then == 'boolean') {
+          if ($sch.then === false) {
+            var $$outStack = $$outStack || [];
+            $$outStack.push(out);
+            out = ''; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('switch') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { caseIndex: ' + ($caseIndex) + ' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should pass "switch" keyword validation\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            var __err = out;
+            out = $$outStack.pop();
+            if (!it.compositeRule && $breakOnError) {
+              /* istanbul ignore if */
+              if (it.async) {
+                out += ' throw new ValidationError([' + (__err) + ']); ';
+              } else {
+                out += ' validate.errors = [' + (__err) + ']; return false; ';
+              }
+            } else {
+              out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+            }
+          }
+          out += ' var ' + ($nextValid) + ' = ' + ($sch.then) + '; ';
+        } else {
+          $it.schema = $sch.then;
+          $it.schemaPath = $schemaPath + '[' + $caseIndex + '].then';
+          $it.errSchemaPath = $errSchemaPath + '/' + $caseIndex + '/then';
+          out += '  ' + (it.validate($it)) + ' ';
+          $it.baseId = $currentBaseId;
+        }
+      }
+      $shouldContinue = $sch.continue
+    }
+  }
+  out += '' + ($closingBraces) + 'var ' + ($valid) + ' = ' + ($nextValid) + ';';
+  return out;
+}
diff --git a/node_modules/ajv-keywords/keywords/dynamicDefaults.js b/node_modules/ajv-keywords/keywords/dynamicDefaults.js
new file mode 100644
index 00000000..5323bb8c
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/dynamicDefaults.js
@@ -0,0 +1,72 @@
+'use strict';
+
+var sequences = {};
+
+var DEFAULTS = {
+  timestamp: function() { return Date.now(); },
+  datetime: function() { return (new Date).toISOString(); },
+  date: function() { return (new Date).toISOString().slice(0, 10); },
+  time: function() { return (new Date).toISOString().slice(11); },
+  random: function() { return Math.random(); },
+  randomint: function (args) {
+    var limit = args && args.max || 2;
+    return function() { return Math.floor(Math.random() * limit); };
+  },
+  seq: function (args) {
+    var name = args && args.name || '';
+    sequences[name] = sequences[name] || 0;
+    return function() { return sequences[name]++; };
+  }
+};
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    compile: function (schema, parentSchema, it) {
+      var funcs = {};
+
+      for (var key in schema) {
+        var d = schema[key];
+        var func = getDefault(typeof d == 'string' ? d : d.func);
+        funcs[key] = func.length ? func(d.args) : func;
+      }
+
+      return it.opts.useDefaults && !it.compositeRule
+              ? assignDefaults
+              : noop;
+
+      function assignDefaults(data) {
+        for (var prop in schema){
+          if (data[prop] === undefined
+            || (it.opts.useDefaults == 'empty'
+            && (data[prop] === null || data[prop] === '')))
+            data[prop] = funcs[prop]();
+        }
+        return true;
+      }
+
+      function noop() { return true; }
+    },
+    DEFAULTS: DEFAULTS,
+    metaSchema: {
+      type: 'object',
+      additionalProperties: {
+        type: ['string', 'object'],
+        additionalProperties: false,
+        required: ['func', 'args'],
+        properties: {
+          func: { type: 'string' },
+          args: { type: 'object' }
+        }
+      }
+    }
+  };
+
+  ajv.addKeyword('dynamicDefaults', defFunc.definition);
+  return ajv;
+
+  function getDefault(d) {
+    var def = DEFAULTS[d];
+    if (def) return def;
+    throw new Error('invalid "dynamicDefaults" keyword property value: ' + d);
+  }
+};
diff --git a/node_modules/ajv-keywords/keywords/formatMaximum.js b/node_modules/ajv-keywords/keywords/formatMaximum.js
new file mode 100644
index 00000000..e7daabf8
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/formatMaximum.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./_formatLimit')('Maximum');
diff --git a/node_modules/ajv-keywords/keywords/formatMinimum.js b/node_modules/ajv-keywords/keywords/formatMinimum.js
new file mode 100644
index 00000000..eddd6e40
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/formatMinimum.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./_formatLimit')('Minimum');
diff --git a/node_modules/ajv-keywords/keywords/index.js b/node_modules/ajv-keywords/keywords/index.js
new file mode 100644
index 00000000..99534ec2
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+module.exports = {
+  'instanceof': require('./instanceof'),
+  range: require('./range'),
+  regexp: require('./regexp'),
+  'typeof': require('./typeof'),
+  dynamicDefaults: require('./dynamicDefaults'),
+  allRequired: require('./allRequired'),
+  anyRequired: require('./anyRequired'),
+  oneRequired: require('./oneRequired'),
+  prohibited: require('./prohibited'),
+  uniqueItemProperties: require('./uniqueItemProperties'),
+  deepProperties: require('./deepProperties'),
+  deepRequired: require('./deepRequired'),
+  formatMinimum: require('./formatMinimum'),
+  formatMaximum: require('./formatMaximum'),
+  patternRequired: require('./patternRequired'),
+  'switch': require('./switch'),
+  select: require('./select'),
+  transform: require('./transform')
+};
diff --git a/node_modules/ajv-keywords/keywords/instanceof.js b/node_modules/ajv-keywords/keywords/instanceof.js
new file mode 100644
index 00000000..ea88f5ca
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/instanceof.js
@@ -0,0 +1,58 @@
+'use strict';
+
+var CONSTRUCTORS = {
+  Object: Object,
+  Array: Array,
+  Function: Function,
+  Number: Number,
+  String: String,
+  Date: Date,
+  RegExp: RegExp
+};
+
+module.exports = function defFunc(ajv) {
+  /* istanbul ignore else */
+  if (typeof Buffer != 'undefined')
+    CONSTRUCTORS.Buffer = Buffer;
+
+  /* istanbul ignore else */
+  if (typeof Promise != 'undefined')
+    CONSTRUCTORS.Promise = Promise;
+
+  defFunc.definition = {
+    compile: function (schema) {
+      if (typeof schema == 'string') {
+        var Constructor = getConstructor(schema);
+        return function (data) {
+          return data instanceof Constructor;
+        };
+      }
+
+      var constructors = schema.map(getConstructor);
+      return function (data) {
+        for (var i=0; i<constructors.length; i++)
+          if (data instanceof constructors[i]) return true;
+        return false;
+      };
+    },
+    CONSTRUCTORS: CONSTRUCTORS,
+    metaSchema: {
+      anyOf: [
+        { type: 'string' },
+        {
+          type: 'array',
+          items: { type: 'string' }
+        }
+      ]
+    }
+  };
+
+  ajv.addKeyword('instanceof', defFunc.definition);
+  return ajv;
+
+  function getConstructor(c) {
+    var Constructor = CONSTRUCTORS[c];
+    if (Constructor) return Constructor;
+    throw new Error('invalid "instanceof" keyword value ' + c);
+  }
+};
diff --git a/node_modules/ajv-keywords/keywords/oneRequired.js b/node_modules/ajv-keywords/keywords/oneRequired.js
new file mode 100644
index 00000000..5468463b
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/oneRequired.js
@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema) {
+      if (schema.length == 0) return true;
+      if (schema.length == 1) return {required: schema};
+      var schemas = schema.map(function (prop) {
+        return {required: [prop]};
+      });
+      return {oneOf: schemas};
+    },
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string'
+      }
+    }
+  };
+
+  ajv.addKeyword('oneRequired', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/patternRequired.js b/node_modules/ajv-keywords/keywords/patternRequired.js
new file mode 100644
index 00000000..046f313f
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/patternRequired.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    inline: require('./dotjs/patternRequired'),
+    statements: true,
+    errors: 'full',
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string',
+        format: 'regex'
+      },
+      uniqueItems: true
+    }
+  };
+
+  ajv.addKeyword('patternRequired', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/prohibited.js b/node_modules/ajv-keywords/keywords/prohibited.js
new file mode 100644
index 00000000..775e1384
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/prohibited.js
@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema) {
+      if (schema.length == 0) return true;
+      if (schema.length == 1) return {not: {required: schema}};
+      var schemas = schema.map(function (prop) {
+        return {required: [prop]};
+      });
+      return {not: {anyOf: schemas}};
+    },
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string'
+      }
+    }
+  };
+
+  ajv.addKeyword('prohibited', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/range.js b/node_modules/ajv-keywords/keywords/range.js
new file mode 100644
index 00000000..9c1fd3ff
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/range.js
@@ -0,0 +1,36 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'number',
+    macro: function (schema, parentSchema) {
+      var min = schema[0]
+        , max = schema[1]
+        , exclusive = parentSchema.exclusiveRange;
+
+      validateRangeSchema(min, max, exclusive);
+
+      return exclusive === true
+              ? {exclusiveMinimum: min, exclusiveMaximum: max}
+              : {minimum: min, maximum: max};
+    },
+    metaSchema: {
+      type: 'array',
+      minItems: 2,
+      maxItems: 2,
+      items: { type: 'number' }
+    }
+  };
+
+  ajv.addKeyword('range', defFunc.definition);
+  ajv.addKeyword('exclusiveRange');
+  return ajv;
+
+  function validateRangeSchema(min, max, exclusive) {
+    if (exclusive !== undefined && typeof exclusive != 'boolean')
+      throw new Error('Invalid schema for exclusiveRange keyword, should be boolean');
+
+    if (min > max || (exclusive && min == max))
+      throw new Error('There are no numbers in range');
+  }
+};
diff --git a/node_modules/ajv-keywords/keywords/regexp.js b/node_modules/ajv-keywords/keywords/regexp.js
new file mode 100644
index 00000000..973628c3
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/regexp.js
@@ -0,0 +1,36 @@
+'use strict';
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'string',
+    inline: function (it, keyword, schema) {
+      return getRegExp() + '.test(data' + (it.dataLevel || '') + ')';
+
+      function getRegExp() {
+        try {
+          if (typeof schema == 'object')
+            return new RegExp(schema.pattern, schema.flags);
+
+          var rx = schema.match(/^\/(.*)\/([gimuy]*)$/);
+          if (rx) return new RegExp(rx[1], rx[2]);
+          throw new Error('cannot parse string into RegExp');
+        } catch(e) {
+          console.error('regular expression', schema, 'is invalid');
+          throw e;
+        }
+      }
+    },
+    metaSchema: {
+      type: ['string', 'object'],
+      properties: {
+        pattern: { type: 'string' },
+        flags: { type: 'string' }
+      },
+      required: ['pattern'],
+      additionalProperties: false
+    }
+  };
+
+  ajv.addKeyword('regexp', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/select.js b/node_modules/ajv-keywords/keywords/select.js
new file mode 100644
index 00000000..f79c6c7a
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/select.js
@@ -0,0 +1,79 @@
+'use strict';
+
+var util = require('./_util');
+
+module.exports = function defFunc(ajv) {
+  if (!ajv._opts.$data) {
+    console.warn('keyword select requires $data option');
+    return ajv;
+  }
+  var metaSchemaRef = util.metaSchemaRef(ajv);
+  var compiledCaseSchemas = [];
+
+  defFunc.definition = {
+    validate: function v(schema, data, parentSchema) {
+      if (parentSchema.selectCases === undefined)
+        throw new Error('keyword "selectCases" is absent');
+      var compiled = getCompiledSchemas(parentSchema, false);
+      var validate = compiled.cases[schema];
+      if (validate === undefined) validate = compiled.default;
+      if (typeof validate == 'boolean') return validate;
+      var valid = validate(data);
+      if (!valid) v.errors = validate.errors;
+      return valid;
+    },
+    $data: true,
+    metaSchema: { type: ['string', 'number', 'boolean', 'null'] }
+  };
+
+  ajv.addKeyword('select', defFunc.definition);
+  ajv.addKeyword('selectCases', {
+    compile: function (schemas, parentSchema) {
+      var compiled = getCompiledSchemas(parentSchema);
+      for (var value in schemas)
+        compiled.cases[value] = compileOrBoolean(schemas[value]);
+      return function() { return true; };
+    },
+    valid: true,
+    metaSchema: {
+      type: 'object',
+      additionalProperties: metaSchemaRef
+    }
+  });
+  ajv.addKeyword('selectDefault', {
+    compile: function (schema, parentSchema) {
+      var compiled = getCompiledSchemas(parentSchema);
+      compiled.default = compileOrBoolean(schema);
+      return function() { return true; };
+    },
+    valid: true,
+    metaSchema: metaSchemaRef
+  });
+  return ajv;
+
+
+  function getCompiledSchemas(parentSchema, create) {
+    var compiled;
+    compiledCaseSchemas.some(function (c) {
+      if (c.parentSchema === parentSchema) {
+        compiled = c;
+        return true;
+      }
+    });
+    if (!compiled && create !== false) {
+      compiled = {
+        parentSchema: parentSchema,
+        cases: {},
+        default: true
+      };
+      compiledCaseSchemas.push(compiled);
+    }
+    return compiled;
+  }
+
+  function compileOrBoolean(schema) {
+    return typeof schema == 'boolean'
+            ? schema
+            : ajv.compile(schema);
+  }
+};
diff --git a/node_modules/ajv-keywords/keywords/switch.js b/node_modules/ajv-keywords/keywords/switch.js
new file mode 100644
index 00000000..5b0f3f83
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/switch.js
@@ -0,0 +1,38 @@
+'use strict';
+
+var util = require('./_util');
+
+module.exports = function defFunc(ajv) {
+  if (ajv.RULES.keywords.switch && ajv.RULES.keywords.if) return;
+
+  var metaSchemaRef = util.metaSchemaRef(ajv);
+
+  defFunc.definition = {
+    inline: require('./dotjs/switch'),
+    statements: true,
+    errors: 'full',
+    metaSchema: {
+      type: 'array',
+      items: {
+        required: [ 'then' ],
+        properties: {
+          'if': metaSchemaRef,
+          'then': {
+            anyOf: [
+              { type: 'boolean' },
+              metaSchemaRef
+            ]
+          },
+          'continue': { type: 'boolean' }
+        },
+        additionalProperties: false,
+        dependencies: {
+          'continue': [ 'if' ]
+        }
+      }
+    }
+  };
+
+  ajv.addKeyword('switch', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/transform.js b/node_modules/ajv-keywords/keywords/transform.js
new file mode 100644
index 00000000..d715452b
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/transform.js
@@ -0,0 +1,80 @@
+'use strict';
+
+module.exports = function defFunc (ajv) {
+  var transform = {
+    trimLeft: function (value) {
+      return value.replace(/^[\s]+/, '');
+    },
+    trimRight: function (value) {
+      return value.replace(/[\s]+$/, '');
+    },
+    trim: function (value) {
+      return value.trim();
+    },
+    toLowerCase: function (value) {
+      return value.toLowerCase();
+    },
+    toUpperCase: function (value) {
+      return value.toUpperCase();
+    },
+    toEnumCase: function (value, cfg) {
+      return cfg.hash[makeHashTableKey(value)] || value;
+    }
+  };
+
+  defFunc.definition = {
+    type: 'string',
+    errors: false,
+    modifying: true,
+    valid: true,
+    compile: function (schema, parentSchema) {
+      var cfg;
+
+      if (schema.indexOf('toEnumCase') !== -1) {
+        // build hash table to enum values
+        cfg = {hash: {}};
+
+        // requires `enum` in schema
+        if (!parentSchema.enum)
+          throw new Error('Missing enum. To use `transform:["toEnumCase"]`, `enum:[...]` is required.');
+        for (var i = parentSchema.enum.length; i--; i) {
+          var v = parentSchema.enum[i];
+          if (typeof v !== 'string') continue;
+          var k = makeHashTableKey(v);
+          // requires all `enum` values have unique keys
+          if (cfg.hash[k])
+            throw new Error('Invalid enum uniqueness. To use `transform:["toEnumCase"]`, all values must be unique when case insensitive.');
+          cfg.hash[k] = v;
+        }
+      }
+
+      return function (data, dataPath, object, key) {
+        // skip if value only
+        if (!object) return;
+
+        // apply transform in order provided
+        for (var j = 0, l = schema.length; j < l; j++)
+          data = transform[schema[j]](data, cfg);
+
+        object[key] = data;
+      };
+    },
+    metaSchema: {
+      type: 'array',
+      items: {
+        type: 'string',
+        enum: [
+          'trimLeft', 'trimRight', 'trim',
+          'toLowerCase', 'toUpperCase', 'toEnumCase'
+        ]
+      }
+    }
+  };
+
+  ajv.addKeyword('transform', defFunc.definition);
+  return ajv;
+
+  function makeHashTableKey (value) {
+    return value.toLowerCase();
+  }
+};
diff --git a/node_modules/ajv-keywords/keywords/typeof.js b/node_modules/ajv-keywords/keywords/typeof.js
new file mode 100644
index 00000000..3a3574d8
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/typeof.js
@@ -0,0 +1,32 @@
+'use strict';
+
+var KNOWN_TYPES = ['undefined', 'string', 'number', 'object', 'function', 'boolean', 'symbol'];
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    inline: function (it, keyword, schema) {
+      var data = 'data' + (it.dataLevel || '');
+      if (typeof schema == 'string') return 'typeof ' + data + ' == "' + schema + '"';
+      schema = 'validate.schema' + it.schemaPath + '.' + keyword;
+      return schema + '.indexOf(typeof ' + data + ') >= 0';
+    },
+    metaSchema: {
+      anyOf: [
+        {
+          type: 'string',
+          enum: KNOWN_TYPES
+        },
+        {
+          type: 'array',
+          items: {
+            type: 'string',
+            enum: KNOWN_TYPES
+          }
+        }
+      ]
+    }
+  };
+
+  ajv.addKeyword('typeof', defFunc.definition);
+  return ajv;
+};
diff --git a/node_modules/ajv-keywords/keywords/uniqueItemProperties.js b/node_modules/ajv-keywords/keywords/uniqueItemProperties.js
new file mode 100644
index 00000000..cd670dac
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/uniqueItemProperties.js
@@ -0,0 +1,59 @@
+'use strict';
+
+var SCALAR_TYPES = ['number', 'integer', 'string', 'boolean', 'null'];
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'array',
+    compile: function(keys, parentSchema, it) {
+      var equal = it.util.equal;
+      var scalar = getScalarKeys(keys, parentSchema);
+
+      return function(data) {
+        if (data.length > 1) {
+          for (var k=0; k < keys.length; k++) {
+            var i, key = keys[k];
+            if (scalar[k]) {
+              var hash = {};
+              for (i = data.length; i--;) {
+                if (!data[i] || typeof data[i] != 'object') continue;
+                var prop = data[i][key];
+                if (prop && typeof prop == 'object') continue;
+                if (typeof prop == 'string') prop = '"' + prop;
+                if (hash[prop]) return false;
+                hash[prop] = true;
+              }
+            } else {
+              for (i = data.length; i--;) {
+                if (!data[i] || typeof data[i] != 'object') continue;
+                for (var j = i; j--;) {
+                  if (data[j] && typeof data[j] == 'object' && equal(data[i][key], data[j][key]))
+                    return false;
+                }
+              }
+            }
+          }
+        }
+        return true;
+      };
+    },
+    metaSchema: {
+      type: 'array',
+      items: {type: 'string'}
+    }
+  };
+
+  ajv.addKeyword('uniqueItemProperties', defFunc.definition);
+  return ajv;
+};
+
+
+function getScalarKeys(keys, schema) {
+  return keys.map(function(key) {
+    var properties = schema.items && schema.items.properties;
+    var propType = properties && properties[key] && properties[key].type;
+    return Array.isArray(propType)
+            ? propType.indexOf('object') < 0 && propType.indexOf('array') < 0
+            : SCALAR_TYPES.indexOf(propType) >= 0;
+  });
+}
diff --git a/node_modules/ajv-keywords/package.json b/node_modules/ajv-keywords/package.json
new file mode 100644
index 00000000..fbd29d05
--- /dev/null
+++ b/node_modules/ajv-keywords/package.json
@@ -0,0 +1,53 @@
+{
+  "name": "ajv-keywords",
+  "version": "3.5.2",
+  "description": "Custom JSON-Schema keywords for Ajv validator",
+  "main": "index.js",
+  "typings": "ajv-keywords.d.ts",
+  "scripts": {
+    "build": "node node_modules/ajv/scripts/compile-dots.js node_modules/ajv/lib keywords",
+    "prepublish": "npm run build",
+    "test": "npm run build && npm run eslint && npm run test-cov",
+    "eslint": "eslint index.js keywords/*.js spec",
+    "test-spec": "mocha spec/*.spec.js -R spec",
+    "test-cov": "istanbul cover -x 'spec/**' node_modules/mocha/bin/_mocha -- spec/*.spec.js -R spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/ajv-keywords.git"
+  },
+  "keywords": [
+    "JSON-Schema",
+    "ajv",
+    "keywords"
+  ],
+  "files": [
+    "index.js",
+    "ajv-keywords.d.ts",
+    "keywords"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/ajv-keywords/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/ajv-keywords#readme",
+  "peerDependencies": {
+    "ajv": "^6.9.1"
+  },
+  "devDependencies": {
+    "ajv": "^6.9.1",
+    "ajv-pack": "^0.3.0",
+    "chai": "^4.2.0",
+    "coveralls": "^3.0.2",
+    "dot": "^1.1.1",
+    "eslint": "^7.2.0",
+    "glob": "^7.1.3",
+    "istanbul": "^0.4.3",
+    "js-beautify": "^1.8.9",
+    "json-schema-test": "^2.0.0",
+    "mocha": "^8.0.1",
+    "pre-commit": "^1.1.3",
+    "uuid": "^8.1.0"
+  }
+}
diff --git a/node_modules/ajv/.tonic_example.js b/node_modules/ajv/.tonic_example.js
new file mode 100644
index 00000000..aa11812d
--- /dev/null
+++ b/node_modules/ajv/.tonic_example.js
@@ -0,0 +1,20 @@
+var Ajv = require('ajv');
+var ajv = new Ajv({allErrors: true});
+
+var schema = {
+  "properties": {
+    "foo": { "type": "string" },
+    "bar": { "type": "number", "maximum": 3 }
+  }
+};
+
+var validate = ajv.compile(schema);
+
+test({"foo": "abc", "bar": 2});
+test({"foo": 2, "bar": 4});
+
+function test(data) {
+  var valid = validate(data);
+  if (valid) console.log('Valid!');
+  else console.log('Invalid: ' + ajv.errorsText(validate.errors));
+}
\ No newline at end of file
diff --git a/node_modules/ajv/LICENSE b/node_modules/ajv/LICENSE
new file mode 100644
index 00000000..96ee7199
--- /dev/null
+++ b/node_modules/ajv/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/node_modules/ajv/README.md b/node_modules/ajv/README.md
new file mode 100644
index 00000000..5aa2078d
--- /dev/null
+++ b/node_modules/ajv/README.md
@@ -0,0 +1,1497 @@
+<img align="right" alt="Ajv logo" width="160" src="https://ajv.js.org/images/ajv_logo.png">
+
+# Ajv: Another JSON Schema Validator
+
+The fastest JSON Schema validator for Node.js and browser. Supports draft-04/06/07.
+
+[![Build Status](https://travis-ci.org/ajv-validator/ajv.svg?branch=master)](https://travis-ci.org/ajv-validator/ajv)
+[![npm](https://img.shields.io/npm/v/ajv.svg)](https://www.npmjs.com/package/ajv)
+[![npm (beta)](https://img.shields.io/npm/v/ajv/beta)](https://www.npmjs.com/package/ajv/v/7.0.0-beta.0)
+[![npm downloads](https://img.shields.io/npm/dm/ajv.svg)](https://www.npmjs.com/package/ajv)
+[![Coverage Status](https://coveralls.io/repos/github/ajv-validator/ajv/badge.svg?branch=master)](https://coveralls.io/github/ajv-validator/ajv?branch=master)
+[![Gitter](https://img.shields.io/gitter/room/ajv-validator/ajv.svg)](https://gitter.im/ajv-validator/ajv)
+[![GitHub Sponsors](https://img.shields.io/badge/$-sponsors-brightgreen)](https://github.com/sponsors/epoberezkin)
+
+
+## Ajv v7 beta is released
+
+[Ajv version 7.0.0-beta.0](https://github.com/ajv-validator/ajv/tree/v7-beta) is released with these changes:
+
+- to reduce the mistakes in JSON schemas and unexpected validation results, [strict mode](./docs/strict-mode.md) is added - it prohibits ignored or ambiguous JSON Schema elements.
+- to make code injection from untrusted schemas impossible, [code generation](./docs/codegen.md) is fully re-written to be safe.
+- to simplify Ajv extensions, the new keyword API that is used by pre-defined keywords is available to user-defined keywords - it is much easier to define any keywords now, especially with subschemas.
+- schemas are compiled to ES6 code (ES5 code generation is supported with an option).
+- to improve reliability and maintainability the code is migrated to TypeScript.
+
+**Please note**:
+
+- the support for JSON-Schema draft-04 is removed - if you have schemas using "id" attributes you have to replace them with "\$id" (or continue using version 6 that will be supported until 02/28/2021).
+- all formats are separated to ajv-formats package - they have to be explicitely added if you use them.
+
+See [release notes](https://github.com/ajv-validator/ajv/releases/tag/v7.0.0-beta.0) for the details.
+
+To install the new version:
+
+```bash
+npm install ajv@beta
+```
+
+See [Getting started with v7](https://github.com/ajv-validator/ajv/tree/v7-beta#usage) for code example.
+
+
+## Mozilla MOSS grant and OpenJS Foundation
+
+[<img src="https://www.poberezkin.com/images/mozilla.png" width="240" height="68">](https://www.mozilla.org/en-US/moss/) &nbsp;&nbsp;&nbsp; [<img src="https://www.poberezkin.com/images/openjs.png" width="220" height="68">](https://openjsf.org/blog/2020/08/14/ajv-joins-openjs-foundation-as-an-incubation-project/)
+
+Ajv has been awarded a grant from Mozilla’s [Open Source Support (MOSS) program](https://www.mozilla.org/en-US/moss/) in the “Foundational Technology” track! It will sponsor the development of Ajv support of [JSON Schema version 2019-09](https://tools.ietf.org/html/draft-handrews-json-schema-02) and of [JSON Type Definition](https://tools.ietf.org/html/draft-ucarion-json-type-definition-04).
+
+Ajv also joined [OpenJS Foundation](https://openjsf.org/) – having this support will help ensure the longevity and stability of Ajv for all its users.
+
+This [blog post](https://www.poberezkin.com/posts/2020-08-14-ajv-json-validator-mozilla-open-source-grant-openjs-foundation.html) has more details.
+
+I am looking for the long term maintainers of Ajv – working with [ReadySet](https://www.thereadyset.co/), also sponsored by Mozilla, to establish clear guidelines for the role of a "maintainer" and the contribution standards, and to encourage a wider, more inclusive, contribution from the community.
+
+
+## Please [sponsor Ajv development](https://github.com/sponsors/epoberezkin)
+
+Since I asked to support Ajv development 40 people and 6 organizations contributed via GitHub and OpenCollective - this support helped receiving the MOSS grant!
+
+Your continuing support is very important - the funds will be used to develop and maintain Ajv once the next major version is released.
+
+Please sponsor Ajv via:
+- [GitHub sponsors page](https://github.com/sponsors/epoberezkin) (GitHub will match it)
+- [Ajv Open Collective️](https://opencollective.com/ajv)
+
+Thank you.
+
+
+#### Open Collective sponsors
+
+<a href="https://opencollective.com/ajv"><img src="https://opencollective.com/ajv/individuals.svg?width=890"></a>
+
+<a href="https://opencollective.com/ajv/organization/0/website"><img src="https://opencollective.com/ajv/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/1/website"><img src="https://opencollective.com/ajv/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/2/website"><img src="https://opencollective.com/ajv/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/3/website"><img src="https://opencollective.com/ajv/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/4/website"><img src="https://opencollective.com/ajv/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/5/website"><img src="https://opencollective.com/ajv/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/6/website"><img src="https://opencollective.com/ajv/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/7/website"><img src="https://opencollective.com/ajv/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/8/website"><img src="https://opencollective.com/ajv/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/9/website"><img src="https://opencollective.com/ajv/organization/9/avatar.svg"></a>
+
+
+## Using version 6
+
+[JSON Schema draft-07](http://json-schema.org/latest/json-schema-validation.html) is published.
+
+[Ajv version 6.0.0](https://github.com/ajv-validator/ajv/releases/tag/v6.0.0) that supports draft-07 is released. It may require either migrating your schemas or updating your code (to continue using draft-04 and v5 schemas, draft-06 schemas will be supported without changes).
+
+__Please note__: To use Ajv with draft-06 schemas you need to explicitly add the meta-schema to the validator instance:
+
+```javascript
+ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'));
+```
+
+To use Ajv with draft-04 schemas in addition to explicitly adding meta-schema you also need to use option schemaId:
+
+```javascript
+var ajv = new Ajv({schemaId: 'id'});
+// If you want to use both draft-04 and draft-06/07 schemas:
+// var ajv = new Ajv({schemaId: 'auto'});
+ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-04.json'));
+```
+
+
+## Contents
+
+- [Performance](#performance)
+- [Features](#features)
+- [Getting started](#getting-started)
+- [Frequently Asked Questions](https://github.com/ajv-validator/ajv/blob/master/FAQ.md)
+- [Using in browser](#using-in-browser)
+  - [Ajv and Content Security Policies (CSP)](#ajv-and-content-security-policies-csp)
+- [Command line interface](#command-line-interface)
+- Validation
+  - [Keywords](#validation-keywords)
+  - [Annotation keywords](#annotation-keywords)
+  - [Formats](#formats)
+  - [Combining schemas with $ref](#ref)
+  - [$data reference](#data-reference)
+  - NEW: [$merge and $patch keywords](#merge-and-patch-keywords)
+  - [Defining custom keywords](#defining-custom-keywords)
+  - [Asynchronous schema compilation](#asynchronous-schema-compilation)
+  - [Asynchronous validation](#asynchronous-validation)
+- [Security considerations](#security-considerations)
+  - [Security contact](#security-contact)
+  - [Untrusted schemas](#untrusted-schemas)
+  - [Circular references in objects](#circular-references-in-javascript-objects)
+  - [Trusted schemas](#security-risks-of-trusted-schemas)
+  - [ReDoS attack](#redos-attack)
+- Modifying data during validation
+  - [Filtering data](#filtering-data)
+  - [Assigning defaults](#assigning-defaults)
+  - [Coercing data types](#coercing-data-types)
+- API
+  - [Methods](#api)
+  - [Options](#options)
+  - [Validation errors](#validation-errors)
+- [Plugins](#plugins)
+- [Related packages](#related-packages)
+- [Some packages using Ajv](#some-packages-using-ajv)
+- [Tests, Contributing, Changes history](#tests)
+- [Support, Code of conduct, License](#open-source-software-support)
+
+
+## Performance
+
+Ajv generates code using [doT templates](https://github.com/olado/doT) to turn JSON Schemas into super-fast validation functions that are efficient for v8 optimization.
+
+Currently Ajv is the fastest and the most standard compliant validator according to these benchmarks:
+
+- [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark) - 50% faster than the second place
+- [jsck benchmark](https://github.com/pandastrike/jsck#benchmarks) - 20-190% faster
+- [z-schema benchmark](https://rawgit.com/zaggino/z-schema/master/benchmark/results.html)
+- [themis benchmark](https://cdn.rawgit.com/playlyfe/themis/master/benchmark/results.html)
+
+
+Performance of different validators by [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark):
+
+[![performance](https://chart.googleapis.com/chart?chxt=x,y&cht=bhs&chco=76A4FB&chls=2.0&chbh=32,4,1&chs=600x416&chxl=-1:|djv|ajv|json-schema-validator-generator|jsen|is-my-json-valid|themis|z-schema|jsck|skeemas|json-schema-library|tv4&chd=t:100,98,72.1,66.8,50.1,15.1,6.1,3.8,1.2,0.7,0.2)](https://github.com/ebdrup/json-schema-benchmark/blob/master/README.md#performance)
+
+
+## Features
+
+- Ajv implements full JSON Schema [draft-06/07](http://json-schema.org/) and draft-04 standards:
+  - all validation keywords (see [JSON Schema validation keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md))
+  - full support of remote refs (remote schemas have to be added with `addSchema` or compiled to be available)
+  - support of circular references between schemas
+  - correct string lengths for strings with unicode pairs (can be turned off)
+  - [formats](#formats) defined by JSON Schema draft-07 standard and custom formats (can be turned off)
+  - [validates schemas against meta-schema](#api-validateschema)
+- supports [browsers](#using-in-browser) and Node.js 0.10-14.x
+- [asynchronous loading](#asynchronous-schema-compilation) of referenced schemas during compilation
+- "All errors" validation mode with [option allErrors](#options)
+- [error messages with parameters](#validation-errors) describing error reasons to allow creating custom error messages
+- i18n error messages support with [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) package
+- [filtering data](#filtering-data) from additional properties
+- [assigning defaults](#assigning-defaults) to missing properties and items
+- [coercing data](#coercing-data-types) to the types specified in `type` keywords
+- [custom keywords](#defining-custom-keywords)
+- draft-06/07 keywords `const`, `contains`, `propertyNames` and `if/then/else`
+- draft-06 boolean schemas (`true`/`false` as a schema to always pass/fail).
+- keywords `switch`, `patternRequired`, `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum` from [JSON Schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) with [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package
+- [$data reference](#data-reference) to use values from the validated data as values for the schema keywords
+- [asynchronous validation](#asynchronous-validation) of custom formats and keywords
+
+
+## Install
+
+```
+npm install ajv
+```
+
+
+## <a name="usage"></a>Getting started
+
+Try it in the Node.js REPL: https://tonicdev.com/npm/ajv
+
+
+The fastest validation call:
+
+```javascript
+// Node.js require:
+var Ajv = require('ajv');
+// or ESM/TypeScript import
+import Ajv from 'ajv';
+
+var ajv = new Ajv(); // options can be passed, e.g. {allErrors: true}
+var validate = ajv.compile(schema);
+var valid = validate(data);
+if (!valid) console.log(validate.errors);
+```
+
+or with less code
+
+```javascript
+// ...
+var valid = ajv.validate(schema, data);
+if (!valid) console.log(ajv.errors);
+// ...
+```
+
+or
+
+```javascript
+// ...
+var valid = ajv.addSchema(schema, 'mySchema')
+               .validate('mySchema', data);
+if (!valid) console.log(ajv.errorsText());
+// ...
+```
+
+See [API](#api) and [Options](#options) for more details.
+
+Ajv compiles schemas to functions and caches them in all cases (using schema serialized with [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) or a custom function as a key), so that the next time the same schema is used (not necessarily the same object instance) it won't be compiled again.
+
+The best performance is achieved when using compiled functions returned by `compile` or `getSchema` methods (there is no additional function call).
+
+__Please note__: every time a validation function or `ajv.validate` are called `errors` property is overwritten. You need to copy `errors` array reference to another variable if you want to use it later (e.g., in the callback). See [Validation errors](#validation-errors)
+
+__Note for TypeScript users__: `ajv` provides its own TypeScript declarations
+out of the box, so you don't need to install the deprecated `@types/ajv`
+module.
+
+
+## Using in browser
+
+You can require Ajv directly from the code you browserify - in this case Ajv will be a part of your bundle.
+
+If you need to use Ajv in several bundles you can create a separate UMD bundle using `npm run bundle` script (thanks to [siddo420](https://github.com/siddo420)).
+
+Then you need to load Ajv in the browser:
+```html
+<script src="ajv.min.js"></script>
+```
+
+This bundle can be used with different module systems; it creates global `Ajv` if no module system is found.
+
+The browser bundle is available on [cdnjs](https://cdnjs.com/libraries/ajv).
+
+Ajv is tested with these browsers:
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/epoberezkin.svg)](https://saucelabs.com/u/epoberezkin)
+
+__Please note__: some frameworks, e.g. Dojo, may redefine global require in such way that is not compatible with CommonJS module format. In such case Ajv bundle has to be loaded before the framework and then you can use global Ajv (see issue [#234](https://github.com/ajv-validator/ajv/issues/234)).
+
+
+### Ajv and Content Security Policies (CSP)
+
+If you're using Ajv to compile a schema (the typical use) in a browser document that is loaded with a Content Security Policy (CSP), that policy will require a `script-src` directive that includes the value `'unsafe-eval'`.
+:warning: NOTE, however, that `unsafe-eval` is NOT recommended in a secure CSP[[1]](https://developer.chrome.com/extensions/contentSecurityPolicy#relaxing-eval), as it has the potential to open the document to cross-site scripting (XSS) attacks.
+
+In order to make use of Ajv without easing your CSP, you can [pre-compile a schema using the CLI](https://github.com/ajv-validator/ajv-cli#compile-schemas). This will transpile the schema JSON into a JavaScript file that exports a `validate` function that works simlarly to a schema compiled at runtime.
+
+Note that pre-compilation of schemas is performed using [ajv-pack](https://github.com/ajv-validator/ajv-pack) and there are [some limitations to the schema features it can compile](https://github.com/ajv-validator/ajv-pack#limitations). A successfully pre-compiled schema is equivalent to the same schema compiled at runtime.
+
+
+## Command line interface
+
+CLI is available as a separate npm package [ajv-cli](https://github.com/ajv-validator/ajv-cli). It supports:
+
+- compiling JSON Schemas to test their validity
+- BETA: generating standalone module exporting a validation function to be used without Ajv (using [ajv-pack](https://github.com/ajv-validator/ajv-pack))
+- migrate schemas to draft-07 (using [json-schema-migrate](https://github.com/epoberezkin/json-schema-migrate))
+- validating data file(s) against JSON Schema
+- testing expected validity of data against JSON Schema
+- referenced schemas
+- custom meta-schemas
+- files in JSON, JSON5, YAML, and JavaScript format
+- all Ajv options
+- reporting changes in data after validation in [JSON-patch](https://tools.ietf.org/html/rfc6902) format
+
+
+## Validation keywords
+
+Ajv supports all validation keywords from draft-07 of JSON Schema standard:
+
+- [type](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#type)
+- [for numbers](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-numbers) - maximum, minimum, exclusiveMaximum, exclusiveMinimum, multipleOf
+- [for strings](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-strings) - maxLength, minLength, pattern, format
+- [for arrays](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-arrays) - maxItems, minItems, uniqueItems, items, additionalItems, [contains](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#contains)
+- [for objects](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-objects) - maxProperties, minProperties, required, properties, patternProperties, additionalProperties, dependencies, [propertyNames](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#propertynames)
+- [for all types](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-all-types) - enum, [const](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#const)
+- [compound keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#compound-keywords) - not, oneOf, anyOf, allOf, [if/then/else](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#ifthenelse)
+
+With [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package Ajv also supports validation keywords from [JSON Schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) for JSON Schema standard:
+
+- [patternRequired](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#patternrequired-proposed) - like `required` but with patterns that some property should match.
+- [formatMaximum, formatMinimum, formatExclusiveMaximum, formatExclusiveMinimum](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#formatmaximum--formatminimum-and-exclusiveformatmaximum--exclusiveformatminimum-proposed) - setting limits for date, time, etc.
+
+See [JSON Schema validation keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md) for more details.
+
+
+## Annotation keywords
+
+JSON Schema specification defines several annotation keywords that describe schema itself but do not perform any validation.
+
+- `title` and `description`: information about the data represented by that schema
+- `$comment` (NEW in draft-07): information for developers. With option `$comment` Ajv logs or passes the comment string to the user-supplied function. See [Options](#options).
+- `default`: a default value of the data instance, see [Assigning defaults](#assigning-defaults).
+- `examples` (NEW in draft-06): an array of data instances. Ajv does not check the validity of these instances against the schema.
+- `readOnly` and `writeOnly` (NEW in draft-07): marks data-instance as read-only or write-only in relation to the source of the data (database, api, etc.).
+- `contentEncoding`: [RFC 2045](https://tools.ietf.org/html/rfc2045#section-6.1 ), e.g., "base64".
+- `contentMediaType`: [RFC 2046](https://tools.ietf.org/html/rfc2046), e.g., "image/png".
+
+__Please note__:  Ajv does not implement validation of the keywords `examples`, `contentEncoding` and `contentMediaType` but it reserves them. If you want to create a plugin that implements some of them, it should remove these keywords from the instance.
+
+
+## Formats
+
+Ajv implements formats defined by JSON Schema specification and several other formats. It is recommended NOT to use "format" keyword implementations with untrusted data, as they use potentially unsafe regular expressions - see [ReDoS attack](#redos-attack).
+
+__Please note__: if you need to use "format" keyword to validate untrusted data, you MUST assess their suitability and safety for your validation scenarios.
+
+The following formats are implemented for string validation with "format" keyword:
+
+- _date_: full-date according to [RFC3339](http://tools.ietf.org/html/rfc3339#section-5.6).
+- _time_: time with optional time-zone.
+- _date-time_: date-time from the same source (time-zone is mandatory). `date`, `time` and `date-time` validate ranges in `full` mode and only regexp in `fast` mode (see [options](#options)).
+- _uri_: full URI.
+- _uri-reference_: URI reference, including full and relative URIs.
+- _uri-template_: URI template according to [RFC6570](https://tools.ietf.org/html/rfc6570)
+- _url_ (deprecated): [URL record](https://url.spec.whatwg.org/#concept-url).
+- _email_: email address.
+- _hostname_: host name according to [RFC1034](http://tools.ietf.org/html/rfc1034#section-3.5).
+- _ipv4_: IP address v4.
+- _ipv6_: IP address v6.
+- _regex_: tests whether a string is a valid regular expression by passing it to RegExp constructor.
+- _uuid_: Universally Unique IDentifier according to [RFC4122](http://tools.ietf.org/html/rfc4122).
+- _json-pointer_: JSON-pointer according to [RFC6901](https://tools.ietf.org/html/rfc6901).
+- _relative-json-pointer_: relative JSON-pointer according to [this draft](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00).
+
+__Please note__: JSON Schema draft-07 also defines formats `iri`, `iri-reference`, `idn-hostname` and `idn-email` for URLs, hostnames and emails with international characters. Ajv does not implement these formats. If you create Ajv plugin that implements them please make a PR to mention this plugin here.
+
+There are two modes of format validation: `fast` and `full`. This mode affects formats `date`, `time`, `date-time`, `uri`, `uri-reference`, and `email`. See [Options](#options) for details.
+
+You can add additional formats and replace any of the formats above using [addFormat](#api-addformat) method.
+
+The option `unknownFormats` allows changing the default behaviour when an unknown format is encountered. In this case Ajv can either fail schema compilation (default) or ignore it (default in versions before 5.0.0). You also can allow specific format(s) that will be ignored. See [Options](#options) for details.
+
+You can find regular expressions used for format validation and the sources that were used in [formats.js](https://github.com/ajv-validator/ajv/blob/master/lib/compile/formats.js).
+
+
+## <a name="ref"></a>Combining schemas with $ref
+
+You can structure your validation logic across multiple schema files and have schemas reference each other using `$ref` keyword.
+
+Example:
+
+```javascript
+var schema = {
+  "$id": "http://example.com/schemas/schema.json",
+  "type": "object",
+  "properties": {
+    "foo": { "$ref": "defs.json#/definitions/int" },
+    "bar": { "$ref": "defs.json#/definitions/str" }
+  }
+};
+
+var defsSchema = {
+  "$id": "http://example.com/schemas/defs.json",
+  "definitions": {
+    "int": { "type": "integer" },
+    "str": { "type": "string" }
+  }
+};
+```
+
+Now to compile your schema you can either pass all schemas to Ajv instance:
+
+```javascript
+var ajv = new Ajv({schemas: [schema, defsSchema]});
+var validate = ajv.getSchema('http://example.com/schemas/schema.json');
+```
+
+or use `addSchema` method:
+
+```javascript
+var ajv = new Ajv;
+var validate = ajv.addSchema(defsSchema)
+                  .compile(schema);
+```
+
+See [Options](#options) and [addSchema](#api) method.
+
+__Please note__:
+- `$ref` is resolved as the uri-reference using schema $id as the base URI (see the example).
+- References can be recursive (and mutually recursive) to implement the schemas for different data structures (such as linked lists, trees, graphs, etc.).
+- You don't have to host your schema files at the URIs that you use as schema $id. These URIs are only used to identify the schemas, and according to JSON Schema specification validators should not expect to be able to download the schemas from these URIs.
+- The actual location of the schema file in the file system is not used.
+- You can pass the identifier of the schema as the second parameter of `addSchema` method or as a property name in `schemas` option. This identifier can be used instead of (or in addition to) schema $id.
+- You cannot have the same $id (or the schema identifier) used for more than one schema - the exception will be thrown.
+- You can implement dynamic resolution of the referenced schemas using `compileAsync` method. In this way you can store schemas in any system (files, web, database, etc.) and reference them without explicitly adding to Ajv instance. See [Asynchronous schema compilation](#asynchronous-schema-compilation).
+
+
+## $data reference
+
+With `$data` option you can use values from the validated data as the values for the schema keywords. See [proposal](https://github.com/json-schema-org/json-schema-spec/issues/51) for more information about how it works.
+
+`$data` reference is supported in the keywords: const, enum, format, maximum/minimum, exclusiveMaximum / exclusiveMinimum, maxLength / minLength, maxItems / minItems, maxProperties / minProperties, formatMaximum / formatMinimum, formatExclusiveMaximum / formatExclusiveMinimum, multipleOf, pattern, required, uniqueItems.
+
+The value of "$data" should be a [JSON-pointer](https://tools.ietf.org/html/rfc6901) to the data (the root is always the top level data object, even if the $data reference is inside a referenced subschema) or a [relative JSON-pointer](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00) (it is relative to the current point in data; if the $data reference is inside a referenced subschema it cannot point to the data outside of the root level for this subschema).
+
+Examples.
+
+This schema requires that the value in property `smaller` is less or equal than the value in the property larger:
+
+```javascript
+var ajv = new Ajv({$data: true});
+
+var schema = {
+  "properties": {
+    "smaller": {
+      "type": "number",
+      "maximum": { "$data": "1/larger" }
+    },
+    "larger": { "type": "number" }
+  }
+};
+
+var validData = {
+  smaller: 5,
+  larger: 7
+};
+
+ajv.validate(schema, validData); // true
+```
+
+This schema requires that the properties have the same format as their field names:
+
+```javascript
+var schema = {
+  "additionalProperties": {
+    "type": "string",
+    "format": { "$data": "0#" }
+  }
+};
+
+var validData = {
+  'date-time': '1963-06-19T08:30:06.283185Z',
+  email: 'joe.bloggs@example.com'
+}
+```
+
+`$data` reference is resolved safely - it won't throw even if some property is undefined. If `$data` resolves to `undefined` the validation succeeds (with the exclusion of `const` keyword). If `$data` resolves to incorrect type (e.g. not "number" for maximum keyword) the validation fails.
+
+
+## $merge and $patch keywords
+
+With the package [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) you can use the keywords `$merge` and `$patch` that allow extending JSON Schemas with patches using formats [JSON Merge Patch (RFC 7396)](https://tools.ietf.org/html/rfc7396) and [JSON Patch (RFC 6902)](https://tools.ietf.org/html/rfc6902).
+
+To add keywords `$merge` and `$patch` to Ajv instance use this code:
+
+```javascript
+require('ajv-merge-patch')(ajv);
+```
+
+Examples.
+
+Using `$merge`:
+
+```json
+{
+  "$merge": {
+    "source": {
+      "type": "object",
+      "properties": { "p": { "type": "string" } },
+      "additionalProperties": false
+    },
+    "with": {
+      "properties": { "q": { "type": "number" } }
+    }
+  }
+}
+```
+
+Using `$patch`:
+
+```json
+{
+  "$patch": {
+    "source": {
+      "type": "object",
+      "properties": { "p": { "type": "string" } },
+      "additionalProperties": false
+    },
+    "with": [
+      { "op": "add", "path": "/properties/q", "value": { "type": "number" } }
+    ]
+  }
+}
+```
+
+The schemas above are equivalent to this schema:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "p": { "type": "string" },
+    "q": { "type": "number" }
+  },
+  "additionalProperties": false
+}
+```
+
+The properties `source` and `with` in the keywords `$merge` and `$patch` can use absolute or relative `$ref` to point to other schemas previously added to the Ajv instance or to the fragments of the current schema.
+
+See the package [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) for more information.
+
+
+## Defining custom keywords
+
+The advantages of using custom keywords are:
+
+- allow creating validation scenarios that cannot be expressed using JSON Schema
+- simplify your schemas
+- help bringing a bigger part of the validation logic to your schemas
+- make your schemas more expressive, less verbose and closer to your application domain
+- implement custom data processors that modify your data (`modifying` option MUST be used in keyword definition) and/or create side effects while the data is being validated
+
+If a keyword is used only for side-effects and its validation result is pre-defined, use option `valid: true/false` in keyword definition to simplify both generated code (no error handling in case of `valid: true`) and your keyword functions (no need to return any validation result).
+
+The concerns you have to be aware of when extending JSON Schema standard with custom keywords are the portability and understanding of your schemas. You will have to support these custom keywords on other platforms and to properly document these keywords so that everybody can understand them in your schemas.
+
+You can define custom keywords with [addKeyword](#api-addkeyword) method. Keywords are defined on the `ajv` instance level - new instances will not have previously defined keywords.
+
+Ajv allows defining keywords with:
+- validation function
+- compilation function
+- macro function
+- inline compilation function that should return code (as string) that will be inlined in the currently compiled schema.
+
+Example. `range` and `exclusiveRange` keywords using compiled schema:
+
+```javascript
+ajv.addKeyword('range', {
+  type: 'number',
+  compile: function (sch, parentSchema) {
+    var min = sch[0];
+    var max = sch[1];
+
+    return parentSchema.exclusiveRange === true
+            ? function (data) { return data > min && data < max; }
+            : function (data) { return data >= min && data <= max; }
+  }
+});
+
+var schema = { "range": [2, 4], "exclusiveRange": true };
+var validate = ajv.compile(schema);
+console.log(validate(2.01)); // true
+console.log(validate(3.99)); // true
+console.log(validate(2)); // false
+console.log(validate(4)); // false
+```
+
+Several custom keywords (typeof, instanceof, range and propertyNames) are defined in [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package - they can be used for your schemas and as a starting point for your own custom keywords.
+
+See [Defining custom keywords](https://github.com/ajv-validator/ajv/blob/master/CUSTOM.md) for more details.
+
+
+## Asynchronous schema compilation
+
+During asynchronous compilation remote references are loaded using supplied function. See `compileAsync` [method](#api-compileAsync) and `loadSchema` [option](#options).
+
+Example:
+
+```javascript
+var ajv = new Ajv({ loadSchema: loadSchema });
+
+ajv.compileAsync(schema).then(function (validate) {
+  var valid = validate(data);
+  // ...
+});
+
+function loadSchema(uri) {
+  return request.json(uri).then(function (res) {
+    if (res.statusCode >= 400)
+      throw new Error('Loading error: ' + res.statusCode);
+    return res.body;
+  });
+}
+```
+
+__Please note__: [Option](#options) `missingRefs` should NOT be set to `"ignore"` or `"fail"` for asynchronous compilation to work.
+
+
+## Asynchronous validation
+
+Example in Node.js REPL: https://tonicdev.com/esp/ajv-asynchronous-validation
+
+You can define custom formats and keywords that perform validation asynchronously by accessing database or some other service. You should add `async: true` in the keyword or format definition (see [addFormat](#api-addformat), [addKeyword](#api-addkeyword) and [Defining custom keywords](#defining-custom-keywords)).
+
+If your schema uses asynchronous formats/keywords or refers to some schema that contains them it should have `"$async": true` keyword so that Ajv can compile it correctly. If asynchronous format/keyword or reference to asynchronous schema is used in the schema without `$async` keyword Ajv will throw an exception during schema compilation.
+
+__Please note__: all asynchronous subschemas that are referenced from the current or other schemas should have `"$async": true` keyword as well, otherwise the schema compilation will fail.
+
+Validation function for an asynchronous custom format/keyword should return a promise that resolves with `true` or `false` (or rejects with `new Ajv.ValidationError(errors)` if you want to return custom errors from the keyword function).
+
+Ajv compiles asynchronous schemas to [es7 async functions](http://tc39.github.io/ecmascript-asyncawait/) that can optionally be transpiled with [nodent](https://github.com/MatAtBread/nodent). Async functions are supported in Node.js 7+ and all modern browsers. You can also supply any other transpiler as a function via `processCode` option. See [Options](#options).
+
+The compiled validation function has `$async: true` property (if the schema is asynchronous), so you can differentiate these functions if you are using both synchronous and asynchronous schemas.
+
+Validation result will be a promise that resolves with validated data or rejects with an exception `Ajv.ValidationError` that contains the array of validation errors in `errors` property.
+
+
+Example:
+
+```javascript
+var ajv = new Ajv;
+// require('ajv-async')(ajv);
+
+ajv.addKeyword('idExists', {
+  async: true,
+  type: 'number',
+  validate: checkIdExists
+});
+
+
+function checkIdExists(schema, data) {
+  return knex(schema.table)
+  .select('id')
+  .where('id', data)
+  .then(function (rows) {
+    return !!rows.length; // true if record is found
+  });
+}
+
+var schema = {
+  "$async": true,
+  "properties": {
+    "userId": {
+      "type": "integer",
+      "idExists": { "table": "users" }
+    },
+    "postId": {
+      "type": "integer",
+      "idExists": { "table": "posts" }
+    }
+  }
+};
+
+var validate = ajv.compile(schema);
+
+validate({ userId: 1, postId: 19 })
+.then(function (data) {
+  console.log('Data is valid', data); // { userId: 1, postId: 19 }
+})
+.catch(function (err) {
+  if (!(err instanceof Ajv.ValidationError)) throw err;
+  // data is invalid
+  console.log('Validation errors:', err.errors);
+});
+```
+
+### Using transpilers with asynchronous validation functions.
+
+[ajv-async](https://github.com/ajv-validator/ajv-async) uses [nodent](https://github.com/MatAtBread/nodent) to transpile async functions. To use another transpiler you should separately install it (or load its bundle in the browser).
+
+
+#### Using nodent
+
+```javascript
+var ajv = new Ajv;
+require('ajv-async')(ajv);
+// in the browser if you want to load ajv-async bundle separately you can:
+// window.ajvAsync(ajv);
+var validate = ajv.compile(schema); // transpiled es7 async function
+validate(data).then(successFunc).catch(errorFunc);
+```
+
+
+#### Using other transpilers
+
+```javascript
+var ajv = new Ajv({ processCode: transpileFunc });
+var validate = ajv.compile(schema); // transpiled es7 async function
+validate(data).then(successFunc).catch(errorFunc);
+```
+
+See [Options](#options).
+
+
+## Security considerations
+
+JSON Schema, if properly used, can replace data sanitisation. It doesn't replace other API security considerations. It also introduces additional security aspects to consider.
+
+
+##### Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerabilities via GitHub issues.
+
+
+##### Untrusted schemas
+
+Ajv treats JSON schemas as trusted as your application code. This security model is based on the most common use case, when the schemas are static and bundled together with the application.
+
+If your schemas are received from untrusted sources (or generated from untrusted data) there are several scenarios you need to prevent:
+- compiling schemas can cause stack overflow (if they are too deep)
+- compiling schemas can be slow (e.g. [#557](https://github.com/ajv-validator/ajv/issues/557))
+- validating certain data can be slow
+
+It is difficult to predict all the scenarios, but at the very least it may help to limit the size of untrusted schemas (e.g. limit JSON string length) and also the maximum schema object depth (that can be high for relatively small JSON strings). You also may want to mitigate slow regular expressions in `pattern` and `patternProperties` keywords.
+
+Regardless the measures you take, using untrusted schemas increases security risks.
+
+
+##### Circular references in JavaScript objects
+
+Ajv does not support schemas and validated data that have circular references in objects. See [issue #802](https://github.com/ajv-validator/ajv/issues/802).
+
+An attempt to compile such schemas or validate such data would cause stack overflow (or will not complete in case of asynchronous validation). Depending on the parser you use, untrusted data can lead to circular references.
+
+
+##### Security risks of trusted schemas
+
+Some keywords in JSON Schemas can lead to very slow validation for certain data. These keywords include (but may be not limited to):
+
+- `pattern` and `format` for large strings - in some cases using `maxLength` can help mitigate it, but certain regular expressions can lead to exponential validation time even with relatively short strings (see [ReDoS attack](#redos-attack)).
+- `patternProperties` for large property names - use `propertyNames` to mitigate, but some regular expressions can have exponential evaluation time as well.
+- `uniqueItems` for large non-scalar arrays - use `maxItems` to mitigate
+
+__Please note__: The suggestions above to prevent slow validation would only work if you do NOT use `allErrors: true` in production code (using it would continue validation after validation errors).
+
+You can validate your JSON schemas against [this meta-schema](https://github.com/ajv-validator/ajv/blob/master/lib/refs/json-schema-secure.json) to check that these recommendations are followed:
+
+```javascript
+const isSchemaSecure = ajv.compile(require('ajv/lib/refs/json-schema-secure.json'));
+
+const schema1 = {format: 'email'};
+isSchemaSecure(schema1); // false
+
+const schema2 = {format: 'email', maxLength: MAX_LENGTH};
+isSchemaSecure(schema2); // true
+```
+
+__Please note__: following all these recommendation is not a guarantee that validation of untrusted data is safe - it can still lead to some undesirable results.
+
+
+##### Content Security Policies (CSP)
+See [Ajv and Content Security Policies (CSP)](#ajv-and-content-security-policies-csp)
+
+
+## ReDoS attack
+
+Certain regular expressions can lead to the exponential evaluation time even with relatively short strings.
+
+Please assess the regular expressions you use in the schemas on their vulnerability to this attack - see [safe-regex](https://github.com/substack/safe-regex), for example.
+
+__Please note__: some formats that Ajv implements use [regular expressions](https://github.com/ajv-validator/ajv/blob/master/lib/compile/formats.js) that can be vulnerable to ReDoS attack, so if you use Ajv to validate data from untrusted sources __it is strongly recommended__ to consider the following:
+
+- making assessment of "format" implementations in Ajv.
+- using `format: 'fast'` option that simplifies some of the regular expressions (although it does not guarantee that they are safe).
+- replacing format implementations provided by Ajv with your own implementations of "format" keyword that either uses different regular expressions or another approach to format validation. Please see [addFormat](#api-addformat) method.
+- disabling format validation by ignoring "format" keyword with option `format: false`
+
+Whatever mitigation you choose, please assume all formats provided by Ajv as potentially unsafe and make your own assessment of their suitability for your validation scenarios.
+
+
+## Filtering data
+
+With [option `removeAdditional`](#options) (added by [andyscott](https://github.com/andyscott)) you can filter data during the validation.
+
+This option modifies original data.
+
+Example:
+
+```javascript
+var ajv = new Ajv({ removeAdditional: true });
+var schema = {
+  "additionalProperties": false,
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": {
+      "additionalProperties": { "type": "number" },
+      "properties": {
+        "baz": { "type": "string" }
+      }
+    }
+  }
+}
+
+var data = {
+  "foo": 0,
+  "additional1": 1, // will be removed; `additionalProperties` == false
+  "bar": {
+    "baz": "abc",
+    "additional2": 2 // will NOT be removed; `additionalProperties` != false
+  },
+}
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 0, "bar": { "baz": "abc", "additional2": 2 }
+```
+
+If `removeAdditional` option in the example above were `"all"` then both `additional1` and `additional2` properties would have been removed.
+
+If the option were `"failing"` then property `additional1` would have been removed regardless of its value and property `additional2` would have been removed only if its value were failing the schema in the inner `additionalProperties` (so in the example above it would have stayed because it passes the schema, but any non-number would have been removed).
+
+__Please note__: If you use `removeAdditional` option with `additionalProperties` keyword inside `anyOf`/`oneOf` keywords your validation can fail with this schema, for example:
+
+```json
+{
+  "type": "object",
+  "oneOf": [
+    {
+      "properties": {
+        "foo": { "type": "string" }
+      },
+      "required": [ "foo" ],
+      "additionalProperties": false
+    },
+    {
+      "properties": {
+        "bar": { "type": "integer" }
+      },
+      "required": [ "bar" ],
+      "additionalProperties": false
+    }
+  ]
+}
+```
+
+The intention of the schema above is to allow objects with either the string property "foo" or the integer property "bar", but not with both and not with any other properties.
+
+With the option `removeAdditional: true` the validation will pass for the object `{ "foo": "abc"}` but will fail for the object `{"bar": 1}`. It happens because while the first subschema in `oneOf` is validated, the property `bar` is removed because it is an additional property according to the standard (because it is not included in `properties` keyword in the same schema).
+
+While this behaviour is unexpected (issues [#129](https://github.com/ajv-validator/ajv/issues/129), [#134](https://github.com/ajv-validator/ajv/issues/134)), it is correct. To have the expected behaviour (both objects are allowed and additional properties are removed) the schema has to be refactored in this way:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "foo": { "type": "string" },
+    "bar": { "type": "integer" }
+  },
+  "additionalProperties": false,
+  "oneOf": [
+    { "required": [ "foo" ] },
+    { "required": [ "bar" ] }
+  ]
+}
+```
+
+The schema above is also more efficient - it will compile into a faster function.
+
+
+## Assigning defaults
+
+With [option `useDefaults`](#options) Ajv will assign values from `default` keyword in the schemas of `properties` and `items` (when it is the array of schemas) to the missing properties and items.
+
+With the option value `"empty"` properties and items equal to `null` or `""` (empty string) will be considered missing and assigned defaults.
+
+This option modifies original data.
+
+__Please note__: the default value is inserted in the generated validation code as a literal, so the value inserted in the data will be the deep clone of the default in the schema.
+
+
+Example 1 (`default` in `properties`):
+
+```javascript
+var ajv = new Ajv({ useDefaults: true });
+var schema = {
+  "type": "object",
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": { "type": "string", "default": "baz" }
+  },
+  "required": [ "foo", "bar" ]
+};
+
+var data = { "foo": 1 };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 1, "bar": "baz" }
+```
+
+Example 2 (`default` in `items`):
+
+```javascript
+var schema = {
+  "type": "array",
+  "items": [
+    { "type": "number" },
+    { "type": "string", "default": "foo" }
+  ]
+}
+
+var data = [ 1 ];
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // [ 1, "foo" ]
+```
+
+`default` keywords in other cases are ignored:
+
+- not in `properties` or `items` subschemas
+- in schemas inside `anyOf`, `oneOf` and `not` (see [#42](https://github.com/ajv-validator/ajv/issues/42))
+- in `if` subschema of `switch` keyword
+- in schemas generated by custom macro keywords
+
+The [`strictDefaults` option](#options) customizes Ajv's behavior for the defaults that Ajv ignores (`true` raises an error, and `"log"` outputs a warning).
+
+
+## Coercing data types
+
+When you are validating user inputs all your data properties are usually strings. The option `coerceTypes` allows you to have your data types coerced to the types specified in your schema `type` keywords, both to pass the validation and to use the correctly typed data afterwards.
+
+This option modifies original data.
+
+__Please note__: if you pass a scalar value to the validating function its type will be coerced and it will pass the validation, but the value of the variable you pass won't be updated because scalars are passed by value.
+
+
+Example 1:
+
+```javascript
+var ajv = new Ajv({ coerceTypes: true });
+var schema = {
+  "type": "object",
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": { "type": "boolean" }
+  },
+  "required": [ "foo", "bar" ]
+};
+
+var data = { "foo": "1", "bar": "false" };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 1, "bar": false }
+```
+
+Example 2 (array coercions):
+
+```javascript
+var ajv = new Ajv({ coerceTypes: 'array' });
+var schema = {
+  "properties": {
+    "foo": { "type": "array", "items": { "type": "number" } },
+    "bar": { "type": "boolean" }
+  }
+};
+
+var data = { "foo": "1", "bar": ["false"] };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": [1], "bar": false }
+```
+
+The coercion rules, as you can see from the example, are different from JavaScript both to validate user input as expected and to have the coercion reversible (to correctly validate cases where different types are defined in subschemas of "anyOf" and other compound keywords).
+
+See [Coercion rules](https://github.com/ajv-validator/ajv/blob/master/COERCION.md) for details.
+
+
+## API
+
+##### new Ajv(Object options) -&gt; Object
+
+Create Ajv instance.
+
+
+##### .compile(Object schema) -&gt; Function&lt;Object data&gt;
+
+Generate validating function and cache the compiled schema for future use.
+
+Validating function returns a boolean value. This function has properties `errors` and `schema`. Errors encountered during the last validation are assigned to `errors` property (it is assigned `null` if there was no errors). `schema` property contains the reference to the original schema.
+
+The schema passed to this method will be validated against meta-schema unless `validateSchema` option is false. If schema is invalid, an error will be thrown. See [options](#options).
+
+
+##### <a name="api-compileAsync"></a>.compileAsync(Object schema [, Boolean meta] [, Function callback]) -&gt; Promise
+
+Asynchronous version of `compile` method that loads missing remote schemas using asynchronous function in `options.loadSchema`. This function returns a Promise that resolves to a validation function. An optional callback passed to `compileAsync` will be called with 2 parameters: error (or null) and validating function. The returned promise will reject (and the callback will be called with an error) when:
+
+- missing schema can't be loaded (`loadSchema` returns a Promise that rejects).
+- a schema containing a missing reference is loaded, but the reference cannot be resolved.
+- schema (or some loaded/referenced schema) is invalid.
+
+The function compiles schema and loads the first missing schema (or meta-schema) until all missing schemas are loaded.
+
+You can asynchronously compile meta-schema by passing `true` as the second parameter.
+
+See example in [Asynchronous compilation](#asynchronous-schema-compilation).
+
+
+##### .validate(Object schema|String key|String ref, data) -&gt; Boolean
+
+Validate data using passed schema (it will be compiled and cached).
+
+Instead of the schema you can use the key that was previously passed to `addSchema`, the schema id if it was present in the schema or any previously resolved reference.
+
+Validation errors will be available in the `errors` property of Ajv instance (`null` if there were no errors).
+
+__Please note__: every time this method is called the errors are overwritten so you need to copy them to another variable if you want to use them later.
+
+If the schema is asynchronous (has `$async` keyword on the top level) this method returns a Promise. See [Asynchronous validation](#asynchronous-validation).
+
+
+##### .addSchema(Array&lt;Object&gt;|Object schema [, String key]) -&gt; Ajv
+
+Add schema(s) to validator instance. This method does not compile schemas (but it still validates them). Because of that dependencies can be added in any order and circular dependencies are supported. It also prevents unnecessary compilation of schemas that are containers for other schemas but not used as a whole.
+
+Array of schemas can be passed (schemas should have ids), the second parameter will be ignored.
+
+Key can be passed that can be used to reference the schema and will be used as the schema id if there is no id inside the schema. If the key is not passed, the schema id will be used as the key.
+
+
+Once the schema is added, it (and all the references inside it) can be referenced in other schemas and used to validate data.
+
+Although `addSchema` does not compile schemas, explicit compilation is not required - the schema will be compiled when it is used first time.
+
+By default the schema is validated against meta-schema before it is added, and if the schema does not pass validation the exception is thrown. This behaviour is controlled by `validateSchema` option.
+
+__Please note__: Ajv uses the [method chaining syntax](https://en.wikipedia.org/wiki/Method_chaining) for all methods with the prefix `add*` and `remove*`.
+This allows you to do nice things like the following.
+
+```javascript
+var validate = new Ajv().addSchema(schema).addFormat(name, regex).getSchema(uri);
+```
+
+##### .addMetaSchema(Array&lt;Object&gt;|Object schema [, String key]) -&gt; Ajv
+
+Adds meta schema(s) that can be used to validate other schemas. That function should be used instead of `addSchema` because there may be instance options that would compile a meta schema incorrectly (at the moment it is `removeAdditional` option).
+
+There is no need to explicitly add draft-07 meta schema (http://json-schema.org/draft-07/schema) - it is added by default, unless option `meta` is set to `false`. You only need to use it if you have a changed meta-schema that you want to use to validate your schemas. See `validateSchema`.
+
+
+##### <a name="api-validateschema"></a>.validateSchema(Object schema) -&gt; Boolean
+
+Validates schema. This method should be used to validate schemas rather than `validate` due to the inconsistency of `uri` format in JSON Schema standard.
+
+By default this method is called automatically when the schema is added, so you rarely need to use it directly.
+
+If schema doesn't have `$schema` property, it is validated against draft 6 meta-schema (option `meta` should not be false).
+
+If schema has `$schema` property, then the schema with this id (that should be previously added) is used to validate passed schema.
+
+Errors will be available at `ajv.errors`.
+
+
+##### .getSchema(String key) -&gt; Function&lt;Object data&gt;
+
+Retrieve compiled schema previously added with `addSchema` by the key passed to `addSchema` or by its full reference (id). The returned validating function has `schema` property with the reference to the original schema.
+
+
+##### .removeSchema([Object schema|String key|String ref|RegExp pattern]) -&gt; Ajv
+
+Remove added/cached schema. Even if schema is referenced by other schemas it can be safely removed as dependent schemas have local references.
+
+Schema can be removed using:
+- key passed to `addSchema`
+- it's full reference (id)
+- RegExp that should match schema id or key (meta-schemas won't be removed)
+- actual schema object that will be stable-stringified to remove schema from cache
+
+If no parameter is passed all schemas but meta-schemas will be removed and the cache will be cleared.
+
+
+##### <a name="api-addformat"></a>.addFormat(String name, String|RegExp|Function|Object format) -&gt; Ajv
+
+Add custom format to validate strings or numbers. It can also be used to replace pre-defined formats for Ajv instance.
+
+Strings are converted to RegExp.
+
+Function should return validation result as `true` or `false`.
+
+If object is passed it should have properties `validate`, `compare` and `async`:
+
+- _validate_: a string, RegExp or a function as described above.
+- _compare_: an optional comparison function that accepts two strings and compares them according to the format meaning. This function is used with keywords `formatMaximum`/`formatMinimum` (defined in [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package). It should return `1` if the first value is bigger than the second value, `-1` if it is smaller and `0` if it is equal.
+- _async_: an optional `true` value if `validate` is an asynchronous function; in this case it should return a promise that resolves with a value `true` or `false`.
+- _type_: an optional type of data that the format applies to. It can be `"string"` (default) or `"number"` (see https://github.com/ajv-validator/ajv/issues/291#issuecomment-259923858). If the type of data is different, the validation will pass.
+
+Custom formats can be also added via `formats` option.
+
+
+##### <a name="api-addkeyword"></a>.addKeyword(String keyword, Object definition) -&gt; Ajv
+
+Add custom validation keyword to Ajv instance.
+
+Keyword should be different from all standard JSON Schema keywords and different from previously defined keywords. There is no way to redefine keywords or to remove keyword definition from the instance.
+
+Keyword must start with a letter, `_` or `$`, and may continue with letters, numbers, `_`, `$`, or `-`.
+It is recommended to use an application-specific prefix for keywords to avoid current and future name collisions.
+
+Example Keywords:
+- `"xyz-example"`: valid, and uses prefix for the xyz project to avoid name collisions.
+- `"example"`: valid, but not recommended as it could collide with future versions of JSON Schema etc.
+- `"3-example"`: invalid as numbers are not allowed to be the first character in a keyword
+
+Keyword definition is an object with the following properties:
+
+- _type_: optional string or array of strings with data type(s) that the keyword applies to. If not present, the keyword will apply to all types.
+- _validate_: validating function
+- _compile_: compiling function
+- _macro_: macro function
+- _inline_: compiling function that returns code (as string)
+- _schema_: an optional `false` value used with "validate" keyword to not pass schema
+- _metaSchema_: an optional meta-schema for keyword schema
+- _dependencies_: an optional list of properties that must be present in the parent schema - it will be checked during schema compilation
+- _modifying_: `true` MUST be passed if keyword modifies data
+- _statements_: `true` can be passed in case inline keyword generates statements (as opposed to expression)
+- _valid_: pass `true`/`false` to pre-define validation result, the result returned from validation function will be ignored. This option cannot be used with macro keywords.
+- _$data_: an optional `true` value to support [$data reference](#data-reference) as the value of custom keyword. The reference will be resolved at validation time. If the keyword has meta-schema it would be extended to allow $data and it will be used to validate the resolved value. Supporting $data reference requires that keyword has validating function (as the only option or in addition to compile, macro or inline function).
+- _async_: an optional `true` value if the validation function is asynchronous (whether it is compiled or passed in _validate_ property); in this case it should return a promise that resolves with a value `true` or `false`. This option is ignored in case of "macro" and "inline" keywords.
+- _errors_: an optional boolean or string `"full"` indicating whether keyword returns errors. If this property is not set Ajv will determine if the errors were set in case of failed validation.
+
+_compile_, _macro_ and _inline_ are mutually exclusive, only one should be used at a time. _validate_ can be used separately or in addition to them to support $data reference.
+
+__Please note__: If the keyword is validating data type that is different from the type(s) in its definition, the validation function will not be called (and expanded macro will not be used), so there is no need to check for data type inside validation function or inside schema returned by macro function (unless you want to enforce a specific type and for some reason do not want to use a separate `type` keyword for that). In the same way as standard keywords work, if the keyword does not apply to the data type being validated, the validation of this keyword will succeed.
+
+See [Defining custom keywords](#defining-custom-keywords) for more details.
+
+
+##### .getKeyword(String keyword) -&gt; Object|Boolean
+
+Returns custom keyword definition, `true` for pre-defined keywords and `false` if the keyword is unknown.
+
+
+##### .removeKeyword(String keyword) -&gt; Ajv
+
+Removes custom or pre-defined keyword so you can redefine them.
+
+While this method can be used to extend pre-defined keywords, it can also be used to completely change their meaning - it may lead to unexpected results.
+
+__Please note__: schemas compiled before the keyword is removed will continue to work without changes. To recompile schemas use `removeSchema` method and compile them again.
+
+
+##### .errorsText([Array&lt;Object&gt; errors [, Object options]]) -&gt; String
+
+Returns the text with all errors in a String.
+
+Options can have properties `separator` (string used to separate errors, ", " by default) and `dataVar` (the variable name that dataPaths are prefixed with, "data" by default).
+
+
+## Options
+
+Defaults:
+
+```javascript
+{
+  // validation and reporting options:
+  $data:            false,
+  allErrors:        false,
+  verbose:          false,
+  $comment:         false, // NEW in Ajv version 6.0
+  jsonPointers:     false,
+  uniqueItems:      true,
+  unicode:          true,
+  nullable:         false,
+  format:           'fast',
+  formats:          {},
+  unknownFormats:   true,
+  schemas:          {},
+  logger:           undefined,
+  // referenced schema options:
+  schemaId:         '$id',
+  missingRefs:      true,
+  extendRefs:       'ignore', // recommended 'fail'
+  loadSchema:       undefined, // function(uri: string): Promise {}
+  // options to modify validated data:
+  removeAdditional: false,
+  useDefaults:      false,
+  coerceTypes:      false,
+  // strict mode options
+  strictDefaults:   false,
+  strictKeywords:   false,
+  strictNumbers:    false,
+  // asynchronous validation options:
+  transpile:        undefined, // requires ajv-async package
+  // advanced options:
+  meta:             true,
+  validateSchema:   true,
+  addUsedSchema:    true,
+  inlineRefs:       true,
+  passContext:      false,
+  loopRequired:     Infinity,
+  ownProperties:    false,
+  multipleOfPrecision: false,
+  errorDataPath:    'object', // deprecated
+  messages:         true,
+  sourceCode:       false,
+  processCode:      undefined, // function (str: string, schema: object): string {}
+  cache:            new Cache,
+  serialize:        undefined
+}
+```
+
+##### Validation and reporting options
+
+- _$data_: support [$data references](#data-reference). Draft 6 meta-schema that is added by default will be extended to allow them. If you want to use another meta-schema you need to use $dataMetaSchema method to add support for $data reference. See [API](#api).
+- _allErrors_: check all rules collecting all errors. Default is to return after the first error.
+- _verbose_: include the reference to the part of the schema (`schema` and `parentSchema`) and validated data in errors (false by default).
+- _$comment_ (NEW in Ajv version 6.0): log or pass the value of `$comment` keyword to a function. Option values:
+  - `false` (default): ignore $comment keyword.
+  - `true`: log the keyword value to console.
+  - function: pass the keyword value, its schema path and root schema to the specified function
+- _jsonPointers_: set `dataPath` property of errors using [JSON Pointers](https://tools.ietf.org/html/rfc6901) instead of JavaScript property access notation.
+- _uniqueItems_: validate `uniqueItems` keyword (true by default).
+- _unicode_: calculate correct length of strings with unicode pairs (true by default). Pass `false` to use `.length` of strings that is faster, but gives "incorrect" lengths of strings with unicode pairs - each unicode pair is counted as two characters.
+- _nullable_: support keyword "nullable" from [Open API 3 specification](https://swagger.io/docs/specification/data-models/data-types/).
+- _format_: formats validation mode. Option values:
+  - `"fast"` (default) - simplified and fast validation (see [Formats](#formats) for details of which formats are available and affected by this option).
+  - `"full"` - more restrictive and slow validation. E.g., 25:00:00 and 2015/14/33 will be invalid time and date in 'full' mode but it will be valid in 'fast' mode.
+  - `false` - ignore all format keywords.
+- _formats_: an object with custom formats. Keys and values will be passed to `addFormat` method.
+- _keywords_: an object with custom keywords. Keys and values will be passed to `addKeyword` method.
+- _unknownFormats_: handling of unknown formats. Option values:
+  - `true` (default) - if an unknown format is encountered the exception is thrown during schema compilation. If `format` keyword value is [$data reference](#data-reference) and it is unknown the validation will fail.
+  - `[String]` - an array of unknown format names that will be ignored. This option can be used to allow usage of third party schemas with format(s) for which you don't have definitions, but still fail if another unknown format is used. If `format` keyword value is [$data reference](#data-reference) and it is not in this array the validation will fail.
+  - `"ignore"` - to log warning during schema compilation and always pass validation (the default behaviour in versions before 5.0.0). This option is not recommended, as it allows to mistype format name and it won't be validated without any error message. This behaviour is required by JSON Schema specification.
+- _schemas_: an array or object of schemas that will be added to the instance. In case you pass the array the schemas must have IDs in them. When the object is passed the method `addSchema(value, key)` will be called for each schema in this object.
+- _logger_: sets the logging method. Default is the global `console` object that should have methods `log`, `warn` and `error`. See [Error logging](#error-logging). Option values:
+  - custom logger - it should have methods `log`, `warn` and `error`. If any of these methods is missing an exception will be thrown.
+  - `false` - logging is disabled.
+
+
+##### Referenced schema options
+
+- _schemaId_: this option defines which keywords are used as schema URI. Option value:
+  - `"$id"` (default) - only use `$id` keyword as schema URI (as specified in JSON Schema draft-06/07), ignore `id` keyword (if it is present a warning will be logged).
+  - `"id"` - only use `id` keyword as schema URI (as specified in JSON Schema draft-04), ignore `$id` keyword (if it is present a warning will be logged).
+  - `"auto"` - use both `$id` and `id` keywords as schema URI. If both are present (in the same schema object) and different the exception will be thrown during schema compilation.
+- _missingRefs_: handling of missing referenced schemas. Option values:
+  - `true` (default) - if the reference cannot be resolved during compilation the exception is thrown. The thrown error has properties `missingRef` (with hash fragment) and `missingSchema` (without it). Both properties are resolved relative to the current base id (usually schema id, unless it was substituted).
+  - `"ignore"` - to log error during compilation and always pass validation.
+  - `"fail"` - to log error and successfully compile schema but fail validation if this rule is checked.
+- _extendRefs_: validation of other keywords when `$ref` is present in the schema. Option values:
+  - `"ignore"` (default) - when `$ref` is used other keywords are ignored (as per [JSON Reference](https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03#section-3) standard). A warning will be logged during the schema compilation.
+  - `"fail"` (recommended) - if other validation keywords are used together with `$ref` the exception will be thrown when the schema is compiled. This option is recommended to make sure schema has no keywords that are ignored, which can be confusing.
+  - `true` - validate all keywords in the schemas with `$ref` (the default behaviour in versions before 5.0.0).
+- _loadSchema_: asynchronous function that will be used to load remote schemas when `compileAsync` [method](#api-compileAsync) is used and some reference is missing (option `missingRefs` should NOT be 'fail' or 'ignore'). This function should accept remote schema uri as a parameter and return a Promise that resolves to a schema. See example in [Asynchronous compilation](#asynchronous-schema-compilation).
+
+
+##### Options to modify validated data
+
+- _removeAdditional_: remove additional properties - see example in [Filtering data](#filtering-data). This option is not used if schema is added with `addMetaSchema` method. Option values:
+  - `false` (default) - not to remove additional properties
+  - `"all"` - all additional properties are removed, regardless of `additionalProperties` keyword in schema (and no validation is made for them).
+  - `true` - only additional properties with `additionalProperties` keyword equal to `false` are removed.
+  - `"failing"` - additional properties that fail schema validation will be removed (where `additionalProperties` keyword is `false` or schema).
+- _useDefaults_: replace missing or undefined properties and items with the values from corresponding `default` keywords. Default behaviour is to ignore `default` keywords. This option is not used if schema is added with `addMetaSchema` method. See examples in [Assigning defaults](#assigning-defaults). Option values:
+  - `false` (default) - do not use defaults
+  - `true` - insert defaults by value (object literal is used).
+  - `"empty"` - in addition to missing or undefined, use defaults for properties and items that are equal to `null` or `""` (an empty string).
+  - `"shared"` (deprecated) - insert defaults by reference. If the default is an object, it will be shared by all instances of validated data. If you modify the inserted default in the validated data, it will be modified in the schema as well.
+- _coerceTypes_: change data type of data to match `type` keyword. See the example in [Coercing data types](#coercing-data-types) and [coercion rules](https://github.com/ajv-validator/ajv/blob/master/COERCION.md). Option values:
+  - `false` (default) - no type coercion.
+  - `true` - coerce scalar data types.
+  - `"array"` - in addition to coercions between scalar types, coerce scalar data to an array with one element and vice versa (as required by the schema).
+
+
+##### Strict mode options
+
+- _strictDefaults_: report ignored `default` keywords in schemas. Option values:
+  - `false` (default) - ignored defaults are not reported
+  - `true` - if an ignored default is present, throw an error
+  - `"log"` - if an ignored default is present, log warning
+- _strictKeywords_: report unknown keywords in schemas. Option values:
+  - `false` (default) - unknown keywords are not reported
+  - `true` - if an unknown keyword is present, throw an error
+  - `"log"` - if an unknown keyword is present, log warning
+- _strictNumbers_: validate numbers strictly, failing validation for NaN and Infinity. Option values:
+  - `false` (default) - NaN or Infinity will pass validation for numeric types
+  - `true` - NaN or Infinity will not pass validation for numeric types
+
+##### Asynchronous validation options
+
+- _transpile_: Requires [ajv-async](https://github.com/ajv-validator/ajv-async) package. It determines whether Ajv transpiles compiled asynchronous validation function. Option values:
+  - `undefined` (default) - transpile with [nodent](https://github.com/MatAtBread/nodent) if async functions are not supported.
+  - `true` - always transpile with nodent.
+  - `false` - do not transpile; if async functions are not supported an exception will be thrown.
+
+
+##### Advanced options
+
+- _meta_: add [meta-schema](http://json-schema.org/documentation.html) so it can be used by other schemas (true by default). If an object is passed, it will be used as the default meta-schema for schemas that have no `$schema` keyword. This default meta-schema MUST have `$schema` keyword.
+- _validateSchema_: validate added/compiled schemas against meta-schema (true by default). `$schema` property in the schema can be http://json-schema.org/draft-07/schema or absent (draft-07 meta-schema will be used) or can be a reference to the schema previously added with `addMetaSchema` method. Option values:
+  - `true` (default) -  if the validation fails, throw the exception.
+  - `"log"` - if the validation fails, log error.
+  - `false` - skip schema validation.
+- _addUsedSchema_: by default methods `compile` and `validate` add schemas to the instance if they have `$id` (or `id`) property that doesn't start with "#". If `$id` is present and it is not unique the exception will be thrown. Set this option to `false` to skip adding schemas to the instance and the `$id` uniqueness check when these methods are used. This option does not affect `addSchema` method.
+- _inlineRefs_: Affects compilation of referenced schemas. Option values:
+  - `true` (default) - the referenced schemas that don't have refs in them are inlined, regardless of their size - that substantially improves performance at the cost of the bigger size of compiled schema functions.
+  - `false` - to not inline referenced schemas (they will be compiled as separate functions).
+  - integer number - to limit the maximum number of keywords of the schema that will be inlined.
+- _passContext_: pass validation context to custom keyword functions. If this option is `true` and you pass some context to the compiled validation function with `validate.call(context, data)`, the `context` will be available as `this` in your custom keywords. By default `this` is Ajv instance.
+- _loopRequired_: by default `required` keyword is compiled into a single expression (or a sequence of statements in `allErrors` mode). In case of a very large number of properties in this keyword it may result in a very big validation function. Pass integer to set the number of properties above which `required` keyword will be validated in a loop - smaller validation function size but also worse performance.
+- _ownProperties_: by default Ajv iterates over all enumerable object properties; when this option is `true` only own enumerable object properties (i.e. found directly on the object rather than on its prototype) are iterated. Contributed by @mbroadst.
+- _multipleOfPrecision_: by default `multipleOf` keyword is validated by comparing the result of division with parseInt() of that result. It works for dividers that are bigger than 1. For small dividers such as 0.01 the result of the division is usually not integer (even when it should be integer, see issue [#84](https://github.com/ajv-validator/ajv/issues/84)). If you need to use fractional dividers set this option to some positive integer N to have `multipleOf` validated using this formula: `Math.abs(Math.round(division) - division) < 1e-N` (it is slower but allows for float arithmetics deviations).
+- _errorDataPath_ (deprecated): set `dataPath` to point to 'object' (default) or to 'property' when validating keywords `required`, `additionalProperties` and `dependencies`.
+- _messages_: Include human-readable messages in errors. `true` by default. `false` can be passed when custom messages are used (e.g. with [ajv-i18n](https://github.com/ajv-validator/ajv-i18n)).
+- _sourceCode_: add `sourceCode` property to validating function (for debugging; this code can be different from the result of toString call).
+- _processCode_: an optional function to process generated code before it is passed to Function constructor. It can be used to either beautify (the validating function is generated without line-breaks) or to transpile code. Starting from version 5.0.0 this option replaced options:
+  - `beautify` that formatted the generated function using [js-beautify](https://github.com/beautify-web/js-beautify). If you want to beautify the generated code pass a function calling `require('js-beautify').js_beautify` as `processCode: code => js_beautify(code)`.
+  - `transpile` that transpiled asynchronous validation function. You can still use `transpile` option with [ajv-async](https://github.com/ajv-validator/ajv-async) package. See [Asynchronous validation](#asynchronous-validation) for more information.
+- _cache_: an optional instance of cache to store compiled schemas using stable-stringified schema as a key. For example, set-associative cache [sacjs](https://github.com/epoberezkin/sacjs) can be used. If not passed then a simple hash is used which is good enough for the common use case (a limited number of statically defined schemas). Cache should have methods `put(key, value)`, `get(key)`, `del(key)` and `clear()`.
+- _serialize_: an optional function to serialize schema to cache key. Pass `false` to use schema itself as a key (e.g., if WeakMap used as a cache). By default [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used.
+
+
+## Validation errors
+
+In case of validation failure, Ajv assigns the array of errors to `errors` property of validation function (or to `errors` property of Ajv instance when `validate` or `validateSchema` methods were called). In case of [asynchronous validation](#asynchronous-validation), the returned promise is rejected with exception `Ajv.ValidationError` that has `errors` property.
+
+
+### Error objects
+
+Each error is an object with the following properties:
+
+- _keyword_: validation keyword.
+- _dataPath_: the path to the part of the data that was validated. By default `dataPath` uses JavaScript property access notation (e.g., `".prop[1].subProp"`). When the option `jsonPointers` is true (see [Options](#options)) `dataPath` will be set using JSON pointer standard (e.g., `"/prop/1/subProp"`).
+- _schemaPath_: the path (JSON-pointer as a URI fragment) to the schema of the keyword that failed validation.
+- _params_: the object with the additional information about error that can be used to create custom error messages (e.g., using [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) package). See below for parameters set by all keywords.
+- _message_: the standard error message (can be excluded with option `messages` set to false).
+- _schema_: the schema of the keyword (added with `verbose` option).
+- _parentSchema_: the schema containing the keyword (added with `verbose` option)
+- _data_: the data validated by the keyword (added with `verbose` option).
+
+__Please note__: `propertyNames` keyword schema validation errors have an additional property `propertyName`, `dataPath` points to the object. After schema validation for each property name, if it is invalid an additional error is added with the property `keyword` equal to `"propertyNames"`.
+
+
+### Error parameters
+
+Properties of `params` object in errors depend on the keyword that failed validation.
+
+- `maxItems`, `minItems`, `maxLength`, `minLength`, `maxProperties`, `minProperties` - property `limit` (number, the schema of the keyword).
+- `additionalItems` - property `limit` (the maximum number of allowed items in case when `items` keyword is an array of schemas and `additionalItems` is false).
+- `additionalProperties` - property `additionalProperty` (the property not used in `properties` and `patternProperties` keywords).
+- `dependencies` - properties:
+  - `property` (dependent property),
+  - `missingProperty` (required missing dependency - only the first one is reported currently)
+  - `deps` (required dependencies, comma separated list as a string),
+  - `depsCount` (the number of required dependencies).
+- `format` - property `format` (the schema of the keyword).
+- `maximum`, `minimum` - properties:
+  - `limit` (number, the schema of the keyword),
+  - `exclusive` (boolean, the schema of `exclusiveMaximum` or `exclusiveMinimum`),
+  - `comparison` (string, comparison operation to compare the data to the limit, with the data on the left and the limit on the right; can be "<", "<=", ">", ">=")
+- `multipleOf` - property `multipleOf` (the schema of the keyword)
+- `pattern` - property `pattern` (the schema of the keyword)
+- `required` - property `missingProperty` (required property that is missing).
+- `propertyNames` - property `propertyName` (an invalid property name).
+- `patternRequired` (in ajv-keywords) - property `missingPattern` (required pattern that did not match any property).
+- `type` - property `type` (required type(s), a string, can be a comma-separated list)
+- `uniqueItems` - properties `i` and `j` (indices of duplicate items).
+- `const` - property `allowedValue` pointing to the value (the schema of the keyword).
+- `enum` - property `allowedValues` pointing to the array of values (the schema of the keyword).
+- `$ref` - property `ref` with the referenced schema URI.
+- `oneOf` - property `passingSchemas` (array of indices of passing schemas, null if no schema passes).
+- custom keywords (in case keyword definition doesn't create errors) - property `keyword` (the keyword name).
+
+
+### Error logging
+
+Using the `logger` option when initiallizing Ajv will allow you to define custom logging. Here you can build upon the exisiting logging. The use of other logging packages is supported as long as the package or its associated wrapper exposes the required methods. If any of the required methods are missing an exception will be thrown.
+- **Required Methods**: `log`, `warn`, `error`
+
+```javascript
+var otherLogger = new OtherLogger();
+var ajv = new Ajv({
+  logger: {
+    log: console.log.bind(console),
+    warn: function warn() {
+      otherLogger.logWarn.apply(otherLogger, arguments);
+    },
+    error: function error() {
+      otherLogger.logError.apply(otherLogger, arguments);
+      console.error.apply(console, arguments);
+    }
+  }
+});
+```
+
+
+## Plugins
+
+Ajv can be extended with plugins that add custom keywords, formats or functions to process generated code. When such plugin is published as npm package it is recommended that it follows these conventions:
+
+- it exports a function
+- this function accepts ajv instance as the first parameter and returns the same instance to allow chaining
+- this function can accept an optional configuration as the second parameter
+
+If you have published a useful plugin please submit a PR to add it to the next section.
+
+
+## Related packages
+
+- [ajv-async](https://github.com/ajv-validator/ajv-async) - plugin to configure async validation mode
+- [ajv-bsontype](https://github.com/BoLaMN/ajv-bsontype) - plugin to validate mongodb's bsonType formats
+- [ajv-cli](https://github.com/jessedc/ajv-cli) - command line interface
+- [ajv-errors](https://github.com/ajv-validator/ajv-errors) - plugin for custom error messages
+- [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) - internationalised error messages
+- [ajv-istanbul](https://github.com/ajv-validator/ajv-istanbul) - plugin to instrument generated validation code to measure test coverage of your schemas
+- [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) - plugin with custom validation keywords (select, typeof, etc.)
+- [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) - plugin with keywords $merge and $patch
+- [ajv-pack](https://github.com/ajv-validator/ajv-pack) - produces a compact module exporting validation functions
+- [ajv-formats-draft2019](https://github.com/luzlab/ajv-formats-draft2019) - format validators for draft2019 that aren't already included in ajv (ie. `idn-hostname`, `idn-email`, `iri`, `iri-reference` and `duration`).
+
+## Some packages using Ajv
+
+- [webpack](https://github.com/webpack/webpack) - a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser
+- [jsonscript-js](https://github.com/JSONScript/jsonscript-js) - the interpreter for [JSONScript](http://www.jsonscript.org) - scripted processing of existing endpoints and services
+- [osprey-method-handler](https://github.com/mulesoft-labs/osprey-method-handler) - Express middleware for validating requests and responses based on a RAML method object, used in [osprey](https://github.com/mulesoft/osprey) - validating API proxy generated from a RAML definition
+- [har-validator](https://github.com/ahmadnassri/har-validator) - HTTP Archive (HAR) validator
+- [jsoneditor](https://github.com/josdejong/jsoneditor) - a web-based tool to view, edit, format, and validate JSON http://jsoneditoronline.org
+- [JSON Schema Lint](https://github.com/nickcmaynard/jsonschemalint) - a web tool to validate JSON/YAML document against a single JSON Schema http://jsonschemalint.com
+- [objection](https://github.com/vincit/objection.js) - SQL-friendly ORM for Node.js
+- [table](https://github.com/gajus/table) - formats data into a string table
+- [ripple-lib](https://github.com/ripple/ripple-lib) - a JavaScript API for interacting with [Ripple](https://ripple.com) in Node.js and the browser
+- [restbase](https://github.com/wikimedia/restbase) - distributed storage with REST API & dispatcher for backend services built to provide a low-latency & high-throughput API for Wikipedia / Wikimedia content
+- [hippie-swagger](https://github.com/CacheControl/hippie-swagger) - [Hippie](https://github.com/vesln/hippie) wrapper that provides end to end API testing with swagger validation
+- [react-form-controlled](https://github.com/seeden/react-form-controlled) - React controlled form components with validation
+- [rabbitmq-schema](https://github.com/tjmehta/rabbitmq-schema) - a schema definition module for RabbitMQ graphs and messages
+- [@query/schema](https://www.npmjs.com/package/@query/schema) - stream filtering with a URI-safe query syntax parsing to JSON Schema
+- [chai-ajv-json-schema](https://github.com/peon374/chai-ajv-json-schema) - chai plugin to us JSON Schema with expect in mocha tests
+- [grunt-jsonschema-ajv](https://github.com/SignpostMarv/grunt-jsonschema-ajv) - Grunt plugin for validating files against JSON Schema
+- [extract-text-webpack-plugin](https://github.com/webpack-contrib/extract-text-webpack-plugin) - extract text from bundle into a file
+- [electron-builder](https://github.com/electron-userland/electron-builder) - a solution to package and build a ready for distribution Electron app
+- [addons-linter](https://github.com/mozilla/addons-linter) - Mozilla Add-ons Linter
+- [gh-pages-generator](https://github.com/epoberezkin/gh-pages-generator) - multi-page site generator converting markdown files to GitHub pages
+- [ESLint](https://github.com/eslint/eslint) - the pluggable linting utility for JavaScript and JSX
+
+
+## Tests
+
+```
+npm install
+git submodule update --init
+npm test
+```
+
+## Contributing
+
+All validation functions are generated using doT templates in [dot](https://github.com/ajv-validator/ajv/tree/master/lib/dot) folder. Templates are precompiled so doT is not a run-time dependency.
+
+`npm run build` - compiles templates to [dotjs](https://github.com/ajv-validator/ajv/tree/master/lib/dotjs) folder.
+
+`npm run watch` - automatically compiles templates when files in dot folder change
+
+Please see [Contributing guidelines](https://github.com/ajv-validator/ajv/blob/master/CONTRIBUTING.md)
+
+
+## Changes history
+
+See https://github.com/ajv-validator/ajv/releases
+
+__Please note__: [Changes in version 7.0.0-beta](https://github.com/ajv-validator/ajv/releases/tag/v7.0.0-beta.0)
+
+[Version 6.0.0](https://github.com/ajv-validator/ajv/releases/tag/v6.0.0).
+
+## Code of conduct
+
+Please review and follow the [Code of conduct](https://github.com/ajv-validator/ajv/blob/master/CODE_OF_CONDUCT.md).
+
+Please report any unacceptable behaviour to ajv.validator@gmail.com - it will be reviewed by the project team.
+
+
+## Open-source software support
+
+Ajv is a part of [Tidelift subscription](https://tidelift.com/subscription/pkg/npm-ajv?utm_source=npm-ajv&utm_medium=referral&utm_campaign=readme) - it provides a centralised support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## License
+
+[MIT](https://github.com/ajv-validator/ajv/blob/master/LICENSE)
diff --git a/node_modules/ajv/lib/ajv.d.ts b/node_modules/ajv/lib/ajv.d.ts
new file mode 100644
index 00000000..078364d8
--- /dev/null
+++ b/node_modules/ajv/lib/ajv.d.ts
@@ -0,0 +1,397 @@
+declare var ajv: {
+  (options?: ajv.Options): ajv.Ajv;
+  new(options?: ajv.Options): ajv.Ajv;
+  ValidationError: typeof AjvErrors.ValidationError;
+  MissingRefError: typeof AjvErrors.MissingRefError;
+  $dataMetaSchema: object;
+}
+
+declare namespace AjvErrors {
+  class ValidationError extends Error {
+    constructor(errors: Array<ajv.ErrorObject>);
+
+    message: string;
+    errors: Array<ajv.ErrorObject>;
+    ajv: true;
+    validation: true;
+  }
+
+  class MissingRefError extends Error {
+    constructor(baseId: string, ref: string, message?: string);
+    static message: (baseId: string, ref: string) => string;
+
+    message: string;
+    missingRef: string;
+    missingSchema: string;
+  }
+}
+
+declare namespace ajv {
+  type ValidationError = AjvErrors.ValidationError;
+
+  type MissingRefError = AjvErrors.MissingRefError;
+
+  interface Ajv {
+    /**
+    * Validate data using schema
+    * Schema will be compiled and cached (using serialized JSON as key, [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize by default).
+    * @param  {string|object|Boolean} schemaKeyRef key, ref or schema object
+    * @param  {Any} data to be validated
+    * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+    */
+    validate(schemaKeyRef: object | string | boolean, data: any): boolean | PromiseLike<any>;
+    /**
+    * Create validating function for passed schema.
+    * @param  {object|Boolean} schema schema object
+    * @return {Function} validating function
+    */
+    compile(schema: object | boolean): ValidateFunction;
+    /**
+    * Creates validating function for passed schema with asynchronous loading of missing schemas.
+    * `loadSchema` option should be a function that accepts schema uri and node-style callback.
+    * @this  Ajv
+    * @param {object|Boolean} schema schema object
+    * @param {Boolean} meta optional true to compile meta-schema; this parameter can be skipped
+    * @param {Function} callback optional node-style callback, it is always called with 2 parameters: error (or null) and validating function.
+    * @return {PromiseLike<ValidateFunction>} validating function
+    */
+    compileAsync(schema: object | boolean, meta?: Boolean, callback?: (err: Error, validate: ValidateFunction) => any): PromiseLike<ValidateFunction>;
+    /**
+    * Adds schema to the instance.
+    * @param {object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+    * @param {string} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+    * @return {Ajv} this for method chaining
+    */
+    addSchema(schema: Array<object> | object, key?: string): Ajv;
+    /**
+    * Add schema that will be used to validate other schemas
+    * options in META_IGNORE_OPTIONS are alway set to false
+    * @param {object} schema schema object
+    * @param {string} key optional schema key
+    * @return {Ajv} this for method chaining
+    */
+    addMetaSchema(schema: object, key?: string): Ajv;
+    /**
+    * Validate schema
+    * @param {object|Boolean} schema schema to validate
+    * @return {Boolean} true if schema is valid
+    */
+    validateSchema(schema: object | boolean): boolean;
+    /**
+    * Get compiled schema from the instance by `key` or `ref`.
+    * @param  {string} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+    * @return {Function} schema validating function (with property `schema`). Returns undefined if keyRef can't be resolved to an existing schema.
+    */
+    getSchema(keyRef: string): ValidateFunction | undefined;
+    /**
+    * Remove cached schema(s).
+    * If no parameter is passed all schemas but meta-schemas are removed.
+    * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+    * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+    * @param  {string|object|RegExp|Boolean} schemaKeyRef key, ref, pattern to match key/ref or schema object
+    * @return {Ajv} this for method chaining
+    */
+    removeSchema(schemaKeyRef?: object | string | RegExp | boolean): Ajv;
+    /**
+    * Add custom format
+    * @param {string} name format name
+    * @param {string|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+    * @return {Ajv} this for method chaining
+    */
+    addFormat(name: string, format: FormatValidator | FormatDefinition): Ajv;
+    /**
+    * Define custom keyword
+    * @this  Ajv
+    * @param {string} keyword custom keyword, should be a valid identifier, should be different from all standard, custom and macro keywords.
+    * @param {object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+    * @return {Ajv} this for method chaining
+    */
+    addKeyword(keyword: string, definition: KeywordDefinition): Ajv;
+    /**
+    * Get keyword definition
+    * @this  Ajv
+    * @param {string} keyword pre-defined or custom keyword.
+    * @return {object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+    */
+    getKeyword(keyword: string): object | boolean;
+    /**
+    * Remove keyword
+    * @this  Ajv
+    * @param {string} keyword pre-defined or custom keyword.
+    * @return {Ajv} this for method chaining
+    */
+    removeKeyword(keyword: string): Ajv;
+    /**
+    * Validate keyword
+    * @this  Ajv
+    * @param {object} definition keyword definition object
+    * @param {boolean} throwError true to throw exception if definition is invalid
+    * @return {boolean} validation result
+    */
+    validateKeyword(definition: KeywordDefinition, throwError: boolean): boolean;
+    /**
+    * Convert array of error message objects to string
+    * @param  {Array<object>} errors optional array of validation errors, if not passed errors from the instance are used.
+    * @param  {object} options optional options with properties `separator` and `dataVar`.
+    * @return {string} human readable string with all errors descriptions
+    */
+    errorsText(errors?: Array<ErrorObject> | null, options?: ErrorsTextOptions): string;
+    errors?: Array<ErrorObject> | null;
+    _opts: Options;
+  }
+
+  interface CustomLogger {
+    log(...args: any[]): any;
+    warn(...args: any[]): any;
+    error(...args: any[]): any;
+  }
+
+  interface ValidateFunction {
+    (
+      data: any,
+      dataPath?: string,
+      parentData?: object | Array<any>,
+      parentDataProperty?: string | number,
+      rootData?: object | Array<any>
+    ): boolean | PromiseLike<any>;
+    schema?: object | boolean;
+    errors?: null | Array<ErrorObject>;
+    refs?: object;
+    refVal?: Array<any>;
+    root?: ValidateFunction | object;
+    $async?: true;
+    source?: object;
+  }
+
+  interface Options {
+    $data?: boolean;
+    allErrors?: boolean;
+    verbose?: boolean;
+    jsonPointers?: boolean;
+    uniqueItems?: boolean;
+    unicode?: boolean;
+    format?: false | string;
+    formats?: object;
+    keywords?: object;
+    unknownFormats?: true | string[] | 'ignore';
+    schemas?: Array<object> | object;
+    schemaId?: '$id' | 'id' | 'auto';
+    missingRefs?: true | 'ignore' | 'fail';
+    extendRefs?: true | 'ignore' | 'fail';
+    loadSchema?: (uri: string, cb?: (err: Error, schema: object) => void) => PromiseLike<object | boolean>;
+    removeAdditional?: boolean | 'all' | 'failing';
+    useDefaults?: boolean | 'empty' | 'shared';
+    coerceTypes?: boolean | 'array';
+    strictDefaults?: boolean | 'log';
+    strictKeywords?: boolean | 'log';
+    strictNumbers?: boolean;
+    async?: boolean | string;
+    transpile?: string | ((code: string) => string);
+    meta?: boolean | object;
+    validateSchema?: boolean | 'log';
+    addUsedSchema?: boolean;
+    inlineRefs?: boolean | number;
+    passContext?: boolean;
+    loopRequired?: number;
+    ownProperties?: boolean;
+    multipleOfPrecision?: boolean | number;
+    errorDataPath?: string,
+    messages?: boolean;
+    sourceCode?: boolean;
+    processCode?: (code: string, schema: object) => string;
+    cache?: object;
+    logger?: CustomLogger | false;
+    nullable?: boolean;
+    serialize?: ((schema: object | boolean) => any) | false;
+  }
+
+  type FormatValidator = string | RegExp | ((data: string) => boolean | PromiseLike<any>);
+  type NumberFormatValidator = ((data: number) => boolean | PromiseLike<any>);
+
+  interface NumberFormatDefinition {
+    type: "number",
+    validate: NumberFormatValidator;
+    compare?: (data1: number, data2: number) => number;
+    async?: boolean;
+  }
+
+  interface StringFormatDefinition {
+    type?: "string",
+    validate: FormatValidator;
+    compare?: (data1: string, data2: string) => number;
+    async?: boolean;
+  }
+
+  type FormatDefinition = NumberFormatDefinition | StringFormatDefinition;
+
+  interface KeywordDefinition {
+    type?: string | Array<string>;
+    async?: boolean;
+    $data?: boolean;
+    errors?: boolean | string;
+    metaSchema?: object;
+    // schema: false makes validate not to expect schema (ValidateFunction)
+    schema?: boolean;
+    statements?: boolean;
+    dependencies?: Array<string>;
+    modifying?: boolean;
+    valid?: boolean;
+    // one and only one of the following properties should be present
+    validate?: SchemaValidateFunction | ValidateFunction;
+    compile?: (schema: any, parentSchema: object, it: CompilationContext) => ValidateFunction;
+    macro?: (schema: any, parentSchema: object, it: CompilationContext) => object | boolean;
+    inline?: (it: CompilationContext, keyword: string, schema: any, parentSchema: object) => string;
+  }
+
+  interface CompilationContext {
+    level: number;
+    dataLevel: number;
+    dataPathArr: string[];
+    schema: any;
+    schemaPath: string;
+    baseId: string;
+    async: boolean;
+    opts: Options;
+    formats: {
+      [index: string]: FormatDefinition | undefined;
+    };
+    keywords: {
+      [index: string]: KeywordDefinition | undefined;
+    };
+    compositeRule: boolean;
+    validate: (schema: object) => boolean;
+    util: {
+      copy(obj: any, target?: any): any;
+      toHash(source: string[]): { [index: string]: true | undefined };
+      equal(obj: any, target: any): boolean;
+      getProperty(str: string): string;
+      schemaHasRules(schema: object, rules: any): string;
+      escapeQuotes(str: string): string;
+      toQuotedString(str: string): string;
+      getData(jsonPointer: string, dataLevel: number, paths: string[]): string;
+      escapeJsonPointer(str: string): string;
+      unescapeJsonPointer(str: string): string;
+      escapeFragment(str: string): string;
+      unescapeFragment(str: string): string;
+    };
+    self: Ajv;
+  }
+
+  interface SchemaValidateFunction {
+    (
+      schema: any,
+      data: any,
+      parentSchema?: object,
+      dataPath?: string,
+      parentData?: object | Array<any>,
+      parentDataProperty?: string | number,
+      rootData?: object | Array<any>
+    ): boolean | PromiseLike<any>;
+    errors?: Array<ErrorObject>;
+  }
+
+  interface ErrorsTextOptions {
+    separator?: string;
+    dataVar?: string;
+  }
+
+  interface ErrorObject {
+    keyword: string;
+    dataPath: string;
+    schemaPath: string;
+    params: ErrorParameters;
+    // Added to validation errors of propertyNames keyword schema
+    propertyName?: string;
+    // Excluded if messages set to false.
+    message?: string;
+    // These are added with the `verbose` option.
+    schema?: any;
+    parentSchema?: object;
+    data?: any;
+  }
+
+  type ErrorParameters = RefParams | LimitParams | AdditionalPropertiesParams |
+    DependenciesParams | FormatParams | ComparisonParams |
+    MultipleOfParams | PatternParams | RequiredParams |
+    TypeParams | UniqueItemsParams | CustomParams |
+    PatternRequiredParams | PropertyNamesParams |
+    IfParams | SwitchParams | NoParams | EnumParams;
+
+  interface RefParams {
+    ref: string;
+  }
+
+  interface LimitParams {
+    limit: number;
+  }
+
+  interface AdditionalPropertiesParams {
+    additionalProperty: string;
+  }
+
+  interface DependenciesParams {
+    property: string;
+    missingProperty: string;
+    depsCount: number;
+    deps: string;
+  }
+
+  interface FormatParams {
+    format: string
+  }
+
+  interface ComparisonParams {
+    comparison: string;
+    limit: number | string;
+    exclusive: boolean;
+  }
+
+  interface MultipleOfParams {
+    multipleOf: number;
+  }
+
+  interface PatternParams {
+    pattern: string;
+  }
+
+  interface RequiredParams {
+    missingProperty: string;
+  }
+
+  interface TypeParams {
+    type: string;
+  }
+
+  interface UniqueItemsParams {
+    i: number;
+    j: number;
+  }
+
+  interface CustomParams {
+    keyword: string;
+  }
+
+  interface PatternRequiredParams {
+    missingPattern: string;
+  }
+
+  interface PropertyNamesParams {
+    propertyName: string;
+  }
+
+  interface IfParams {
+    failingKeyword: string;
+  }
+
+  interface SwitchParams {
+    caseIndex: number;
+  }
+
+  interface NoParams { }
+
+  interface EnumParams {
+    allowedValues: Array<any>;
+  }
+}
+
+export = ajv;
diff --git a/node_modules/ajv/lib/ajv.js b/node_modules/ajv/lib/ajv.js
new file mode 100644
index 00000000..06a45b65
--- /dev/null
+++ b/node_modules/ajv/lib/ajv.js
@@ -0,0 +1,506 @@
+'use strict';
+
+var compileSchema = require('./compile')
+  , resolve = require('./compile/resolve')
+  , Cache = require('./cache')
+  , SchemaObject = require('./compile/schema_obj')
+  , stableStringify = require('fast-json-stable-stringify')
+  , formats = require('./compile/formats')
+  , rules = require('./compile/rules')
+  , $dataMetaSchema = require('./data')
+  , util = require('./compile/util');
+
+module.exports = Ajv;
+
+Ajv.prototype.validate = validate;
+Ajv.prototype.compile = compile;
+Ajv.prototype.addSchema = addSchema;
+Ajv.prototype.addMetaSchema = addMetaSchema;
+Ajv.prototype.validateSchema = validateSchema;
+Ajv.prototype.getSchema = getSchema;
+Ajv.prototype.removeSchema = removeSchema;
+Ajv.prototype.addFormat = addFormat;
+Ajv.prototype.errorsText = errorsText;
+
+Ajv.prototype._addSchema = _addSchema;
+Ajv.prototype._compile = _compile;
+
+Ajv.prototype.compileAsync = require('./compile/async');
+var customKeyword = require('./keyword');
+Ajv.prototype.addKeyword = customKeyword.add;
+Ajv.prototype.getKeyword = customKeyword.get;
+Ajv.prototype.removeKeyword = customKeyword.remove;
+Ajv.prototype.validateKeyword = customKeyword.validate;
+
+var errorClasses = require('./compile/error_classes');
+Ajv.ValidationError = errorClasses.Validation;
+Ajv.MissingRefError = errorClasses.MissingRef;
+Ajv.$dataMetaSchema = $dataMetaSchema;
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+
+var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
+var META_SUPPORT_DATA = ['/properties'];
+
+/**
+ * Creates validator instance.
+ * Usage: `Ajv(opts)`
+ * @param {Object} opts optional options
+ * @return {Object} ajv instance
+ */
+function Ajv(opts) {
+  if (!(this instanceof Ajv)) return new Ajv(opts);
+  opts = this._opts = util.copy(opts) || {};
+  setLogger(this);
+  this._schemas = {};
+  this._refs = {};
+  this._fragments = {};
+  this._formats = formats(opts.format);
+
+  this._cache = opts.cache || new Cache;
+  this._loadingSchemas = {};
+  this._compilations = [];
+  this.RULES = rules();
+  this._getId = chooseGetId(opts);
+
+  opts.loopRequired = opts.loopRequired || Infinity;
+  if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
+  if (opts.serialize === undefined) opts.serialize = stableStringify;
+  this._metaOpts = getMetaSchemaOptions(this);
+
+  if (opts.formats) addInitialFormats(this);
+  if (opts.keywords) addInitialKeywords(this);
+  addDefaultMetaSchema(this);
+  if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
+  if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
+  addInitialSchemas(this);
+}
+
+
+
+/**
+ * Validate data using schema
+ * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
+ * @this   Ajv
+ * @param  {String|Object} schemaKeyRef key, ref or schema object
+ * @param  {Any} data to be validated
+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+ */
+function validate(schemaKeyRef, data) {
+  var v;
+  if (typeof schemaKeyRef == 'string') {
+    v = this.getSchema(schemaKeyRef);
+    if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
+  } else {
+    var schemaObj = this._addSchema(schemaKeyRef);
+    v = schemaObj.validate || this._compile(schemaObj);
+  }
+
+  var valid = v(data);
+  if (v.$async !== true) this.errors = v.errors;
+  return valid;
+}
+
+
+/**
+ * Create validating function for passed schema.
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
+ * @return {Function} validating function
+ */
+function compile(schema, _meta) {
+  var schemaObj = this._addSchema(schema, undefined, _meta);
+  return schemaObj.validate || this._compile(schemaObj);
+}
+
+
+/**
+ * Adds schema to the instance.
+ * @this   Ajv
+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
+ * @return {Ajv} this for method chaining
+ */
+function addSchema(schema, key, _skipValidation, _meta) {
+  if (Array.isArray(schema)){
+    for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
+    return this;
+  }
+  var id = this._getId(schema);
+  if (id !== undefined && typeof id != 'string')
+    throw new Error('schema id must be string');
+  key = resolve.normalizeId(key || id);
+  checkUnique(this, key);
+  this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
+  return this;
+}
+
+
+/**
+ * Add schema that will be used to validate other schemas
+ * options in META_IGNORE_OPTIONS are alway set to false
+ * @this   Ajv
+ * @param {Object} schema schema object
+ * @param {String} key optional schema key
+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
+ * @return {Ajv} this for method chaining
+ */
+function addMetaSchema(schema, key, skipValidation) {
+  this.addSchema(schema, key, skipValidation, true);
+  return this;
+}
+
+
+/**
+ * Validate schema
+ * @this   Ajv
+ * @param {Object} schema schema to validate
+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
+ * @return {Boolean} true if schema is valid
+ */
+function validateSchema(schema, throwOrLogError) {
+  var $schema = schema.$schema;
+  if ($schema !== undefined && typeof $schema != 'string')
+    throw new Error('$schema must be a string');
+  $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
+  if (!$schema) {
+    this.logger.warn('meta-schema not available');
+    this.errors = null;
+    return true;
+  }
+  var valid = this.validate($schema, schema);
+  if (!valid && throwOrLogError) {
+    var message = 'schema is invalid: ' + this.errorsText();
+    if (this._opts.validateSchema == 'log') this.logger.error(message);
+    else throw new Error(message);
+  }
+  return valid;
+}
+
+
+function defaultMeta(self) {
+  var meta = self._opts.meta;
+  self._opts.defaultMeta = typeof meta == 'object'
+                            ? self._getId(meta) || meta
+                            : self.getSchema(META_SCHEMA_ID)
+                              ? META_SCHEMA_ID
+                              : undefined;
+  return self._opts.defaultMeta;
+}
+
+
+/**
+ * Get compiled schema from the instance by `key` or `ref`.
+ * @this   Ajv
+ * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+ * @return {Function} schema validating function (with property `schema`).
+ */
+function getSchema(keyRef) {
+  var schemaObj = _getSchemaObj(this, keyRef);
+  switch (typeof schemaObj) {
+    case 'object': return schemaObj.validate || this._compile(schemaObj);
+    case 'string': return this.getSchema(schemaObj);
+    case 'undefined': return _getSchemaFragment(this, keyRef);
+  }
+}
+
+
+function _getSchemaFragment(self, ref) {
+  var res = resolve.schema.call(self, { schema: {} }, ref);
+  if (res) {
+    var schema = res.schema
+      , root = res.root
+      , baseId = res.baseId;
+    var v = compileSchema.call(self, schema, root, undefined, baseId);
+    self._fragments[ref] = new SchemaObject({
+      ref: ref,
+      fragment: true,
+      schema: schema,
+      root: root,
+      baseId: baseId,
+      validate: v
+    });
+    return v;
+  }
+}
+
+
+function _getSchemaObj(self, keyRef) {
+  keyRef = resolve.normalizeId(keyRef);
+  return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
+}
+
+
+/**
+ * Remove cached schema(s).
+ * If no parameter is passed all schemas but meta-schemas are removed.
+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+ * @this   Ajv
+ * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+ * @return {Ajv} this for method chaining
+ */
+function removeSchema(schemaKeyRef) {
+  if (schemaKeyRef instanceof RegExp) {
+    _removeAllSchemas(this, this._schemas, schemaKeyRef);
+    _removeAllSchemas(this, this._refs, schemaKeyRef);
+    return this;
+  }
+  switch (typeof schemaKeyRef) {
+    case 'undefined':
+      _removeAllSchemas(this, this._schemas);
+      _removeAllSchemas(this, this._refs);
+      this._cache.clear();
+      return this;
+    case 'string':
+      var schemaObj = _getSchemaObj(this, schemaKeyRef);
+      if (schemaObj) this._cache.del(schemaObj.cacheKey);
+      delete this._schemas[schemaKeyRef];
+      delete this._refs[schemaKeyRef];
+      return this;
+    case 'object':
+      var serialize = this._opts.serialize;
+      var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
+      this._cache.del(cacheKey);
+      var id = this._getId(schemaKeyRef);
+      if (id) {
+        id = resolve.normalizeId(id);
+        delete this._schemas[id];
+        delete this._refs[id];
+      }
+  }
+  return this;
+}
+
+
+function _removeAllSchemas(self, schemas, regex) {
+  for (var keyRef in schemas) {
+    var schemaObj = schemas[keyRef];
+    if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
+      self._cache.del(schemaObj.cacheKey);
+      delete schemas[keyRef];
+    }
+  }
+}
+
+
+/* @this   Ajv */
+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
+  if (typeof schema != 'object' && typeof schema != 'boolean')
+    throw new Error('schema should be object or boolean');
+  var serialize = this._opts.serialize;
+  var cacheKey = serialize ? serialize(schema) : schema;
+  var cached = this._cache.get(cacheKey);
+  if (cached) return cached;
+
+  shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
+
+  var id = resolve.normalizeId(this._getId(schema));
+  if (id && shouldAddSchema) checkUnique(this, id);
+
+  var willValidate = this._opts.validateSchema !== false && !skipValidation;
+  var recursiveMeta;
+  if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
+    this.validateSchema(schema, true);
+
+  var localRefs = resolve.ids.call(this, schema);
+
+  var schemaObj = new SchemaObject({
+    id: id,
+    schema: schema,
+    localRefs: localRefs,
+    cacheKey: cacheKey,
+    meta: meta
+  });
+
+  if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
+  this._cache.put(cacheKey, schemaObj);
+
+  if (willValidate && recursiveMeta) this.validateSchema(schema, true);
+
+  return schemaObj;
+}
+
+
+/* @this   Ajv */
+function _compile(schemaObj, root) {
+  if (schemaObj.compiling) {
+    schemaObj.validate = callValidate;
+    callValidate.schema = schemaObj.schema;
+    callValidate.errors = null;
+    callValidate.root = root ? root : callValidate;
+    if (schemaObj.schema.$async === true)
+      callValidate.$async = true;
+    return callValidate;
+  }
+  schemaObj.compiling = true;
+
+  var currentOpts;
+  if (schemaObj.meta) {
+    currentOpts = this._opts;
+    this._opts = this._metaOpts;
+  }
+
+  var v;
+  try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
+  catch(e) {
+    delete schemaObj.validate;
+    throw e;
+  }
+  finally {
+    schemaObj.compiling = false;
+    if (schemaObj.meta) this._opts = currentOpts;
+  }
+
+  schemaObj.validate = v;
+  schemaObj.refs = v.refs;
+  schemaObj.refVal = v.refVal;
+  schemaObj.root = v.root;
+  return v;
+
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var _validate = schemaObj.validate;
+    var result = _validate.apply(this, arguments);
+    callValidate.errors = _validate.errors;
+    return result;
+  }
+}
+
+
+function chooseGetId(opts) {
+  switch (opts.schemaId) {
+    case 'auto': return _get$IdOrId;
+    case 'id': return _getId;
+    default: return _get$Id;
+  }
+}
+
+/* @this   Ajv */
+function _getId(schema) {
+  if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
+  return schema.id;
+}
+
+/* @this   Ajv */
+function _get$Id(schema) {
+  if (schema.id) this.logger.warn('schema id ignored', schema.id);
+  return schema.$id;
+}
+
+
+function _get$IdOrId(schema) {
+  if (schema.$id && schema.id && schema.$id != schema.id)
+    throw new Error('schema $id is different from id');
+  return schema.$id || schema.id;
+}
+
+
+/**
+ * Convert array of error message objects to string
+ * @this   Ajv
+ * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
+ * @param  {Object} options optional options with properties `separator` and `dataVar`.
+ * @return {String} human readable string with all errors descriptions
+ */
+function errorsText(errors, options) {
+  errors = errors || this.errors;
+  if (!errors) return 'No errors';
+  options = options || {};
+  var separator = options.separator === undefined ? ', ' : options.separator;
+  var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
+
+  var text = '';
+  for (var i=0; i<errors.length; i++) {
+    var e = errors[i];
+    if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
+  }
+  return text.slice(0, -separator.length);
+}
+
+
+/**
+ * Add custom format
+ * @this   Ajv
+ * @param {String} name format name
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+ * @return {Ajv} this for method chaining
+ */
+function addFormat(name, format) {
+  if (typeof format == 'string') format = new RegExp(format);
+  this._formats[name] = format;
+  return this;
+}
+
+
+function addDefaultMetaSchema(self) {
+  var $dataSchema;
+  if (self._opts.$data) {
+    $dataSchema = require('./refs/data.json');
+    self.addMetaSchema($dataSchema, $dataSchema.$id, true);
+  }
+  if (self._opts.meta === false) return;
+  var metaSchema = require('./refs/json-schema-draft-07.json');
+  if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
+  self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
+  self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
+}
+
+
+function addInitialSchemas(self) {
+  var optsSchemas = self._opts.schemas;
+  if (!optsSchemas) return;
+  if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
+  else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
+}
+
+
+function addInitialFormats(self) {
+  for (var name in self._opts.formats) {
+    var format = self._opts.formats[name];
+    self.addFormat(name, format);
+  }
+}
+
+
+function addInitialKeywords(self) {
+  for (var name in self._opts.keywords) {
+    var keyword = self._opts.keywords[name];
+    self.addKeyword(name, keyword);
+  }
+}
+
+
+function checkUnique(self, id) {
+  if (self._schemas[id] || self._refs[id])
+    throw new Error('schema with key or id "' + id + '" already exists');
+}
+
+
+function getMetaSchemaOptions(self) {
+  var metaOpts = util.copy(self._opts);
+  for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
+    delete metaOpts[META_IGNORE_OPTIONS[i]];
+  return metaOpts;
+}
+
+
+function setLogger(self) {
+  var logger = self._opts.logger;
+  if (logger === false) {
+    self.logger = {log: noop, warn: noop, error: noop};
+  } else {
+    if (logger === undefined) logger = console;
+    if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
+      throw new Error('logger must implement log, warn and error methods');
+    self.logger = logger;
+  }
+}
+
+
+function noop() {}
diff --git a/node_modules/ajv/lib/cache.js b/node_modules/ajv/lib/cache.js
new file mode 100644
index 00000000..7558874c
--- /dev/null
+++ b/node_modules/ajv/lib/cache.js
@@ -0,0 +1,26 @@
+'use strict';
+
+
+var Cache = module.exports = function Cache() {
+  this._cache = {};
+};
+
+
+Cache.prototype.put = function Cache_put(key, value) {
+  this._cache[key] = value;
+};
+
+
+Cache.prototype.get = function Cache_get(key) {
+  return this._cache[key];
+};
+
+
+Cache.prototype.del = function Cache_del(key) {
+  delete this._cache[key];
+};
+
+
+Cache.prototype.clear = function Cache_clear() {
+  this._cache = {};
+};
diff --git a/node_modules/ajv/lib/compile/async.js b/node_modules/ajv/lib/compile/async.js
new file mode 100644
index 00000000..6a30b889
--- /dev/null
+++ b/node_modules/ajv/lib/compile/async.js
@@ -0,0 +1,90 @@
+'use strict';
+
+var MissingRefError = require('./error_classes').MissingRef;
+
+module.exports = compileAsync;
+
+
+/**
+ * Creates validating function for passed schema with asynchronous loading of missing schemas.
+ * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
+ * @this  Ajv
+ * @param {Object}   schema schema object
+ * @param {Boolean}  meta optional true to compile meta-schema; this parameter can be skipped
+ * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function.
+ * @return {Promise} promise that resolves with a validating function.
+ */
+function compileAsync(schema, meta, callback) {
+  /* eslint no-shadow: 0 */
+  /* global Promise */
+  /* jshint validthis: true */
+  var self = this;
+  if (typeof this._opts.loadSchema != 'function')
+    throw new Error('options.loadSchema should be a function');
+
+  if (typeof meta == 'function') {
+    callback = meta;
+    meta = undefined;
+  }
+
+  var p = loadMetaSchemaOf(schema).then(function () {
+    var schemaObj = self._addSchema(schema, undefined, meta);
+    return schemaObj.validate || _compileAsync(schemaObj);
+  });
+
+  if (callback) {
+    p.then(
+      function(v) { callback(null, v); },
+      callback
+    );
+  }
+
+  return p;
+
+
+  function loadMetaSchemaOf(sch) {
+    var $schema = sch.$schema;
+    return $schema && !self.getSchema($schema)
+            ? compileAsync.call(self, { $ref: $schema }, true)
+            : Promise.resolve();
+  }
+
+
+  function _compileAsync(schemaObj) {
+    try { return self._compile(schemaObj); }
+    catch(e) {
+      if (e instanceof MissingRefError) return loadMissingSchema(e);
+      throw e;
+    }
+
+
+    function loadMissingSchema(e) {
+      var ref = e.missingSchema;
+      if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved');
+
+      var schemaPromise = self._loadingSchemas[ref];
+      if (!schemaPromise) {
+        schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref);
+        schemaPromise.then(removePromise, removePromise);
+      }
+
+      return schemaPromise.then(function (sch) {
+        if (!added(ref)) {
+          return loadMetaSchemaOf(sch).then(function () {
+            if (!added(ref)) self.addSchema(sch, ref, undefined, meta);
+          });
+        }
+      }).then(function() {
+        return _compileAsync(schemaObj);
+      });
+
+      function removePromise() {
+        delete self._loadingSchemas[ref];
+      }
+
+      function added(ref) {
+        return self._refs[ref] || self._schemas[ref];
+      }
+    }
+  }
+}
diff --git a/node_modules/ajv/lib/compile/equal.js b/node_modules/ajv/lib/compile/equal.js
new file mode 100644
index 00000000..d6c2acef
--- /dev/null
+++ b/node_modules/ajv/lib/compile/equal.js
@@ -0,0 +1,5 @@
+'use strict';
+
+// do NOT remove this file - it would break pre-compiled schemas
+// https://github.com/ajv-validator/ajv/issues/889
+module.exports = require('fast-deep-equal');
diff --git a/node_modules/ajv/lib/compile/error_classes.js b/node_modules/ajv/lib/compile/error_classes.js
new file mode 100644
index 00000000..0b0ec4e4
--- /dev/null
+++ b/node_modules/ajv/lib/compile/error_classes.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var resolve = require('./resolve');
+
+module.exports = {
+  Validation: errorSubclass(ValidationError),
+  MissingRef: errorSubclass(MissingRefError)
+};
+
+
+function ValidationError(errors) {
+  this.message = 'validation failed';
+  this.errors = errors;
+  this.ajv = this.validation = true;
+}
+
+
+MissingRefError.message = function (baseId, ref) {
+  return 'can\'t resolve reference ' + ref + ' from id ' + baseId;
+};
+
+
+function MissingRefError(baseId, ref, message) {
+  this.message = message || MissingRefError.message(baseId, ref);
+  this.missingRef = resolve.url(baseId, ref);
+  this.missingSchema = resolve.normalizeId(resolve.fullPath(this.missingRef));
+}
+
+
+function errorSubclass(Subclass) {
+  Subclass.prototype = Object.create(Error.prototype);
+  Subclass.prototype.constructor = Subclass;
+  return Subclass;
+}
diff --git a/node_modules/ajv/lib/compile/formats.js b/node_modules/ajv/lib/compile/formats.js
new file mode 100644
index 00000000..de94a63b
--- /dev/null
+++ b/node_modules/ajv/lib/compile/formats.js
@@ -0,0 +1,142 @@
+'use strict';
+
+var util = require('./util');
+
+var DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/;
+var DAYS = [0,31,28,31,30,31,30,31,31,30,31,30,31];
+var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i;
+var HOSTNAME = /^(?=.{1,253}\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\.?$/i;
+var URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+var URIREF = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+// uri-template: https://tools.ietf.org/html/rfc6570
+var URITEMPLATE = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i;
+// For the source: https://gist.github.com/dperini/729294
+// For test cases: https://mathiasbynens.be/demo/url-regex
+// @todo Delete current URL in favour of the commented out URL rule when this issue is fixed https://github.com/eslint/eslint/issues/7983.
+// var URL = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)(?:\.(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu;
+var URL = /^(?:(?:http[s\u017F]?|ftp):\/\/)(?:(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+(?::(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?@)?(?:(?!10(?:\.[0-9]{1,3}){3})(?!127(?:\.[0-9]{1,3}){3})(?!169\.254(?:\.[0-9]{1,3}){2})(?!192\.168(?:\.[0-9]{1,3}){2})(?!172\.(?:1[6-9]|2[0-9]|3[01])(?:\.[0-9]{1,3}){2})(?:[1-9][0-9]?|1[0-9][0-9]|2[01][0-9]|22[0-3])(?:\.(?:1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}(?:\.(?:[1-9][0-9]?|1[0-9][0-9]|2[0-4][0-9]|25[0-4]))|(?:(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)(?:\.(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)*(?:\.(?:(?:[a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]){2,})))(?::[0-9]{2,5})?(?:\/(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?$/i;
+var UUID = /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
+var JSON_POINTER = /^(?:\/(?:[^~/]|~0|~1)*)*$/;
+var JSON_POINTER_URI_FRAGMENT = /^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
+var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
+
+
+module.exports = formats;
+
+function formats(mode) {
+  mode = mode == 'full' ? 'full' : 'fast';
+  return util.copy(formats[mode]);
+}
+
+
+formats.fast = {
+  // date: http://tools.ietf.org/html/rfc3339#section-5.6
+  date: /^\d\d\d\d-[0-1]\d-[0-3]\d$/,
+  // date-time: http://tools.ietf.org/html/rfc3339#section-5.6
+  time: /^(?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)?$/i,
+  'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)$/i,
+  // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
+  uri: /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/)?[^\s]*$/i,
+  'uri-reference': /^(?:(?:[a-z][a-z0-9+\-.]*:)?\/?\/)?(?:[^\\\s#][^\s#]*)?(?:#[^\\\s]*)?$/i,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  // email (sources from jsen validator):
+  // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
+  // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
+  email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
+  hostname: HOSTNAME,
+  // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  // optimized http://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  // uuid: http://tools.ietf.org/html/rfc4122
+  uuid: UUID,
+  // JSON-pointer: https://tools.ietf.org/html/rfc6901
+  // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+formats.full = {
+  date: date,
+  time: time,
+  'date-time': date_time,
+  uri: uri,
+  'uri-reference': URIREF,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
+  hostname: HOSTNAME,
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  uuid: UUID,
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+function isLeapYear(year) {
+  // https://tools.ietf.org/html/rfc3339#appendix-C
+  return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+}
+
+
+function date(str) {
+  // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
+  var matches = str.match(DATE);
+  if (!matches) return false;
+
+  var year = +matches[1];
+  var month = +matches[2];
+  var day = +matches[3];
+
+  return month >= 1 && month <= 12 && day >= 1 &&
+          day <= (month == 2 && isLeapYear(year) ? 29 : DAYS[month]);
+}
+
+
+function time(str, full) {
+  var matches = str.match(TIME);
+  if (!matches) return false;
+
+  var hour = matches[1];
+  var minute = matches[2];
+  var second = matches[3];
+  var timeZone = matches[5];
+  return ((hour <= 23 && minute <= 59 && second <= 59) ||
+          (hour == 23 && minute == 59 && second == 60)) &&
+         (!full || timeZone);
+}
+
+
+var DATE_TIME_SEPARATOR = /t|\s/i;
+function date_time(str) {
+  // http://tools.ietf.org/html/rfc3339#section-5.6
+  var dateTime = str.split(DATE_TIME_SEPARATOR);
+  return dateTime.length == 2 && date(dateTime[0]) && time(dateTime[1], true);
+}
+
+
+var NOT_URI_FRAGMENT = /\/|:/;
+function uri(str) {
+  // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
+  return NOT_URI_FRAGMENT.test(str) && URI.test(str);
+}
+
+
+var Z_ANCHOR = /[^\\]\\Z/;
+function regex(str) {
+  if (Z_ANCHOR.test(str)) return false;
+  try {
+    new RegExp(str);
+    return true;
+  } catch(e) {
+    return false;
+  }
+}
diff --git a/node_modules/ajv/lib/compile/index.js b/node_modules/ajv/lib/compile/index.js
new file mode 100644
index 00000000..97518c42
--- /dev/null
+++ b/node_modules/ajv/lib/compile/index.js
@@ -0,0 +1,387 @@
+'use strict';
+
+var resolve = require('./resolve')
+  , util = require('./util')
+  , errorClasses = require('./error_classes')
+  , stableStringify = require('fast-json-stable-stringify');
+
+var validateGenerator = require('../dotjs/validate');
+
+/**
+ * Functions below are used inside compiled validations function
+ */
+
+var ucs2length = util.ucs2length;
+var equal = require('fast-deep-equal');
+
+// this error is thrown by async schemas to return validation errors via exception
+var ValidationError = errorClasses.Validation;
+
+module.exports = compile;
+
+
+/**
+ * Compiles schema to validation function
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Object} root object with information about the root schema for this schema
+ * @param  {Object} localRefs the hash of local references inside the schema (created by resolve.id), used for inline resolution
+ * @param  {String} baseId base ID for IDs in the schema
+ * @return {Function} validation function
+ */
+function compile(schema, root, localRefs, baseId) {
+  /* jshint validthis: true, evil: true */
+  /* eslint no-shadow: 0 */
+  var self = this
+    , opts = this._opts
+    , refVal = [ undefined ]
+    , refs = {}
+    , patterns = []
+    , patternsHash = {}
+    , defaults = []
+    , defaultsHash = {}
+    , customRules = [];
+
+  root = root || { schema: schema, refVal: refVal, refs: refs };
+
+  var c = checkCompiling.call(this, schema, root, baseId);
+  var compilation = this._compilations[c.index];
+  if (c.compiling) return (compilation.callValidate = callValidate);
+
+  var formats = this._formats;
+  var RULES = this.RULES;
+
+  try {
+    var v = localCompile(schema, root, localRefs, baseId);
+    compilation.validate = v;
+    var cv = compilation.callValidate;
+    if (cv) {
+      cv.schema = v.schema;
+      cv.errors = null;
+      cv.refs = v.refs;
+      cv.refVal = v.refVal;
+      cv.root = v.root;
+      cv.$async = v.$async;
+      if (opts.sourceCode) cv.source = v.source;
+    }
+    return v;
+  } finally {
+    endCompiling.call(this, schema, root, baseId);
+  }
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var validate = compilation.validate;
+    var result = validate.apply(this, arguments);
+    callValidate.errors = validate.errors;
+    return result;
+  }
+
+  function localCompile(_schema, _root, localRefs, baseId) {
+    var isRoot = !_root || (_root && _root.schema == _schema);
+    if (_root.schema != root.schema)
+      return compile.call(self, _schema, _root, localRefs, baseId);
+
+    var $async = _schema.$async === true;
+
+    var sourceCode = validateGenerator({
+      isTop: true,
+      schema: _schema,
+      isRoot: isRoot,
+      baseId: baseId,
+      root: _root,
+      schemaPath: '',
+      errSchemaPath: '#',
+      errorPath: '""',
+      MissingRefError: errorClasses.MissingRef,
+      RULES: RULES,
+      validate: validateGenerator,
+      util: util,
+      resolve: resolve,
+      resolveRef: resolveRef,
+      usePattern: usePattern,
+      useDefault: useDefault,
+      useCustomRule: useCustomRule,
+      opts: opts,
+      formats: formats,
+      logger: self.logger,
+      self: self
+    });
+
+    sourceCode = vars(refVal, refValCode) + vars(patterns, patternCode)
+                   + vars(defaults, defaultCode) + vars(customRules, customRuleCode)
+                   + sourceCode;
+
+    if (opts.processCode) sourceCode = opts.processCode(sourceCode, _schema);
+    // console.log('\n\n\n *** \n', JSON.stringify(sourceCode));
+    var validate;
+    try {
+      var makeValidate = new Function(
+        'self',
+        'RULES',
+        'formats',
+        'root',
+        'refVal',
+        'defaults',
+        'customRules',
+        'equal',
+        'ucs2length',
+        'ValidationError',
+        sourceCode
+      );
+
+      validate = makeValidate(
+        self,
+        RULES,
+        formats,
+        root,
+        refVal,
+        defaults,
+        customRules,
+        equal,
+        ucs2length,
+        ValidationError
+      );
+
+      refVal[0] = validate;
+    } catch(e) {
+      self.logger.error('Error compiling schema, function code:', sourceCode);
+      throw e;
+    }
+
+    validate.schema = _schema;
+    validate.errors = null;
+    validate.refs = refs;
+    validate.refVal = refVal;
+    validate.root = isRoot ? validate : _root;
+    if ($async) validate.$async = true;
+    if (opts.sourceCode === true) {
+      validate.source = {
+        code: sourceCode,
+        patterns: patterns,
+        defaults: defaults
+      };
+    }
+
+    return validate;
+  }
+
+  function resolveRef(baseId, ref, isRoot) {
+    ref = resolve.url(baseId, ref);
+    var refIndex = refs[ref];
+    var _refVal, refCode;
+    if (refIndex !== undefined) {
+      _refVal = refVal[refIndex];
+      refCode = 'refVal[' + refIndex + ']';
+      return resolvedRef(_refVal, refCode);
+    }
+    if (!isRoot && root.refs) {
+      var rootRefId = root.refs[ref];
+      if (rootRefId !== undefined) {
+        _refVal = root.refVal[rootRefId];
+        refCode = addLocalRef(ref, _refVal);
+        return resolvedRef(_refVal, refCode);
+      }
+    }
+
+    refCode = addLocalRef(ref);
+    var v = resolve.call(self, localCompile, root, ref);
+    if (v === undefined) {
+      var localSchema = localRefs && localRefs[ref];
+      if (localSchema) {
+        v = resolve.inlineRef(localSchema, opts.inlineRefs)
+            ? localSchema
+            : compile.call(self, localSchema, root, localRefs, baseId);
+      }
+    }
+
+    if (v === undefined) {
+      removeLocalRef(ref);
+    } else {
+      replaceLocalRef(ref, v);
+      return resolvedRef(v, refCode);
+    }
+  }
+
+  function addLocalRef(ref, v) {
+    var refId = refVal.length;
+    refVal[refId] = v;
+    refs[ref] = refId;
+    return 'refVal' + refId;
+  }
+
+  function removeLocalRef(ref) {
+    delete refs[ref];
+  }
+
+  function replaceLocalRef(ref, v) {
+    var refId = refs[ref];
+    refVal[refId] = v;
+  }
+
+  function resolvedRef(refVal, code) {
+    return typeof refVal == 'object' || typeof refVal == 'boolean'
+            ? { code: code, schema: refVal, inline: true }
+            : { code: code, $async: refVal && !!refVal.$async };
+  }
+
+  function usePattern(regexStr) {
+    var index = patternsHash[regexStr];
+    if (index === undefined) {
+      index = patternsHash[regexStr] = patterns.length;
+      patterns[index] = regexStr;
+    }
+    return 'pattern' + index;
+  }
+
+  function useDefault(value) {
+    switch (typeof value) {
+      case 'boolean':
+      case 'number':
+        return '' + value;
+      case 'string':
+        return util.toQuotedString(value);
+      case 'object':
+        if (value === null) return 'null';
+        var valueStr = stableStringify(value);
+        var index = defaultsHash[valueStr];
+        if (index === undefined) {
+          index = defaultsHash[valueStr] = defaults.length;
+          defaults[index] = value;
+        }
+        return 'default' + index;
+    }
+  }
+
+  function useCustomRule(rule, schema, parentSchema, it) {
+    if (self._opts.validateSchema !== false) {
+      var deps = rule.definition.dependencies;
+      if (deps && !deps.every(function(keyword) {
+        return Object.prototype.hasOwnProperty.call(parentSchema, keyword);
+      }))
+        throw new Error('parent schema must have all required keywords: ' + deps.join(','));
+
+      var validateSchema = rule.definition.validateSchema;
+      if (validateSchema) {
+        var valid = validateSchema(schema);
+        if (!valid) {
+          var message = 'keyword schema is invalid: ' + self.errorsText(validateSchema.errors);
+          if (self._opts.validateSchema == 'log') self.logger.error(message);
+          else throw new Error(message);
+        }
+      }
+    }
+
+    var compile = rule.definition.compile
+      , inline = rule.definition.inline
+      , macro = rule.definition.macro;
+
+    var validate;
+    if (compile) {
+      validate = compile.call(self, schema, parentSchema, it);
+    } else if (macro) {
+      validate = macro.call(self, schema, parentSchema, it);
+      if (opts.validateSchema !== false) self.validateSchema(validate, true);
+    } else if (inline) {
+      validate = inline.call(self, it, rule.keyword, schema, parentSchema);
+    } else {
+      validate = rule.definition.validate;
+      if (!validate) return;
+    }
+
+    if (validate === undefined)
+      throw new Error('custom keyword "' + rule.keyword + '"failed to compile');
+
+    var index = customRules.length;
+    customRules[index] = validate;
+
+    return {
+      code: 'customRule' + index,
+      validate: validate
+    };
+  }
+}
+
+
+/**
+ * Checks if the schema is currently compiled
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Object} object with properties "index" (compilation index) and "compiling" (boolean)
+ */
+function checkCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var index = compIndex.call(this, schema, root, baseId);
+  if (index >= 0) return { index: index, compiling: true };
+  index = this._compilations.length;
+  this._compilations[index] = {
+    schema: schema,
+    root: root,
+    baseId: baseId
+  };
+  return { index: index, compiling: false };
+}
+
+
+/**
+ * Removes the schema from the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ */
+function endCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var i = compIndex.call(this, schema, root, baseId);
+  if (i >= 0) this._compilations.splice(i, 1);
+}
+
+
+/**
+ * Index of schema compilation in the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Integer} compilation index
+ */
+function compIndex(schema, root, baseId) {
+  /* jshint validthis: true */
+  for (var i=0; i<this._compilations.length; i++) {
+    var c = this._compilations[i];
+    if (c.schema == schema && c.root == root && c.baseId == baseId) return i;
+  }
+  return -1;
+}
+
+
+function patternCode(i, patterns) {
+  return 'var pattern' + i + ' = new RegExp(' + util.toQuotedString(patterns[i]) + ');';
+}
+
+
+function defaultCode(i) {
+  return 'var default' + i + ' = defaults[' + i + '];';
+}
+
+
+function refValCode(i, refVal) {
+  return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];';
+}
+
+
+function customRuleCode(i) {
+  return 'var customRule' + i + ' = customRules[' + i + '];';
+}
+
+
+function vars(arr, statement) {
+  if (!arr.length) return '';
+  var code = '';
+  for (var i=0; i<arr.length; i++)
+    code += statement(i, arr);
+  return code;
+}
diff --git a/node_modules/ajv/lib/compile/resolve.js b/node_modules/ajv/lib/compile/resolve.js
new file mode 100644
index 00000000..66f2aee9
--- /dev/null
+++ b/node_modules/ajv/lib/compile/resolve.js
@@ -0,0 +1,270 @@
+'use strict';
+
+var URI = require('uri-js')
+  , equal = require('fast-deep-equal')
+  , util = require('./util')
+  , SchemaObject = require('./schema_obj')
+  , traverse = require('json-schema-traverse');
+
+module.exports = resolve;
+
+resolve.normalizeId = normalizeId;
+resolve.fullPath = getFullPath;
+resolve.url = resolveUrl;
+resolve.ids = resolveIds;
+resolve.inlineRef = inlineRef;
+resolve.schema = resolveSchema;
+
+/**
+ * [resolve and compile the references ($ref)]
+ * @this   Ajv
+ * @param  {Function} compile reference to schema compilation funciton (localCompile)
+ * @param  {Object} root object with information about the root schema for the current schema
+ * @param  {String} ref reference to resolve
+ * @return {Object|Function} schema object (if the schema can be inlined) or validation function
+ */
+function resolve(compile, root, ref) {
+  /* jshint validthis: true */
+  var refVal = this._refs[ref];
+  if (typeof refVal == 'string') {
+    if (this._refs[refVal]) refVal = this._refs[refVal];
+    else return resolve.call(this, compile, root, refVal);
+  }
+
+  refVal = refVal || this._schemas[ref];
+  if (refVal instanceof SchemaObject) {
+    return inlineRef(refVal.schema, this._opts.inlineRefs)
+            ? refVal.schema
+            : refVal.validate || this._compile(refVal);
+  }
+
+  var res = resolveSchema.call(this, root, ref);
+  var schema, v, baseId;
+  if (res) {
+    schema = res.schema;
+    root = res.root;
+    baseId = res.baseId;
+  }
+
+  if (schema instanceof SchemaObject) {
+    v = schema.validate || compile.call(this, schema.schema, root, undefined, baseId);
+  } else if (schema !== undefined) {
+    v = inlineRef(schema, this._opts.inlineRefs)
+        ? schema
+        : compile.call(this, schema, root, undefined, baseId);
+  }
+
+  return v;
+}
+
+
+/**
+ * Resolve schema, its root and baseId
+ * @this Ajv
+ * @param  {Object} root root object with properties schema, refVal, refs
+ * @param  {String} ref  reference to resolve
+ * @return {Object} object with properties schema, root, baseId
+ */
+function resolveSchema(root, ref) {
+  /* jshint validthis: true */
+  var p = URI.parse(ref)
+    , refPath = _getFullPath(p)
+    , baseId = getFullPath(this._getId(root.schema));
+  if (Object.keys(root.schema).length === 0 || refPath !== baseId) {
+    var id = normalizeId(refPath);
+    var refVal = this._refs[id];
+    if (typeof refVal == 'string') {
+      return resolveRecursive.call(this, root, refVal, p);
+    } else if (refVal instanceof SchemaObject) {
+      if (!refVal.validate) this._compile(refVal);
+      root = refVal;
+    } else {
+      refVal = this._schemas[id];
+      if (refVal instanceof SchemaObject) {
+        if (!refVal.validate) this._compile(refVal);
+        if (id == normalizeId(ref))
+          return { schema: refVal, root: root, baseId: baseId };
+        root = refVal;
+      } else {
+        return;
+      }
+    }
+    if (!root.schema) return;
+    baseId = getFullPath(this._getId(root.schema));
+  }
+  return getJsonPointer.call(this, p, baseId, root.schema, root);
+}
+
+
+/* @this Ajv */
+function resolveRecursive(root, ref, parsedRef) {
+  /* jshint validthis: true */
+  var res = resolveSchema.call(this, root, ref);
+  if (res) {
+    var schema = res.schema;
+    var baseId = res.baseId;
+    root = res.root;
+    var id = this._getId(schema);
+    if (id) baseId = resolveUrl(baseId, id);
+    return getJsonPointer.call(this, parsedRef, baseId, schema, root);
+  }
+}
+
+
+var PREVENT_SCOPE_CHANGE = util.toHash(['properties', 'patternProperties', 'enum', 'dependencies', 'definitions']);
+/* @this Ajv */
+function getJsonPointer(parsedRef, baseId, schema, root) {
+  /* jshint validthis: true */
+  parsedRef.fragment = parsedRef.fragment || '';
+  if (parsedRef.fragment.slice(0,1) != '/') return;
+  var parts = parsedRef.fragment.split('/');
+
+  for (var i = 1; i < parts.length; i++) {
+    var part = parts[i];
+    if (part) {
+      part = util.unescapeFragment(part);
+      schema = schema[part];
+      if (schema === undefined) break;
+      var id;
+      if (!PREVENT_SCOPE_CHANGE[part]) {
+        id = this._getId(schema);
+        if (id) baseId = resolveUrl(baseId, id);
+        if (schema.$ref) {
+          var $ref = resolveUrl(baseId, schema.$ref);
+          var res = resolveSchema.call(this, root, $ref);
+          if (res) {
+            schema = res.schema;
+            root = res.root;
+            baseId = res.baseId;
+          }
+        }
+      }
+    }
+  }
+  if (schema !== undefined && schema !== root.schema)
+    return { schema: schema, root: root, baseId: baseId };
+}
+
+
+var SIMPLE_INLINED = util.toHash([
+  'type', 'format', 'pattern',
+  'maxLength', 'minLength',
+  'maxProperties', 'minProperties',
+  'maxItems', 'minItems',
+  'maximum', 'minimum',
+  'uniqueItems', 'multipleOf',
+  'required', 'enum'
+]);
+function inlineRef(schema, limit) {
+  if (limit === false) return false;
+  if (limit === undefined || limit === true) return checkNoRef(schema);
+  else if (limit) return countKeys(schema) <= limit;
+}
+
+
+function checkNoRef(schema) {
+  var item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return false;
+      item = schema[key];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  }
+  return true;
+}
+
+
+function countKeys(schema) {
+  var count = 0, item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object') count += countKeys(item);
+      if (count == Infinity) return Infinity;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return Infinity;
+      if (SIMPLE_INLINED[key]) {
+        count++;
+      } else {
+        item = schema[key];
+        if (typeof item == 'object') count += countKeys(item) + 1;
+        if (count == Infinity) return Infinity;
+      }
+    }
+  }
+  return count;
+}
+
+
+function getFullPath(id, normalize) {
+  if (normalize !== false) id = normalizeId(id);
+  var p = URI.parse(id);
+  return _getFullPath(p);
+}
+
+
+function _getFullPath(p) {
+  return URI.serialize(p).split('#')[0] + '#';
+}
+
+
+var TRAILING_SLASH_HASH = /#\/?$/;
+function normalizeId(id) {
+  return id ? id.replace(TRAILING_SLASH_HASH, '') : '';
+}
+
+
+function resolveUrl(baseId, id) {
+  id = normalizeId(id);
+  return URI.resolve(baseId, id);
+}
+
+
+/* @this Ajv */
+function resolveIds(schema) {
+  var schemaId = normalizeId(this._getId(schema));
+  var baseIds = {'': schemaId};
+  var fullPaths = {'': getFullPath(schemaId, false)};
+  var localRefs = {};
+  var self = this;
+
+  traverse(schema, {allKeys: true}, function(sch, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+    if (jsonPtr === '') return;
+    var id = self._getId(sch);
+    var baseId = baseIds[parentJsonPtr];
+    var fullPath = fullPaths[parentJsonPtr] + '/' + parentKeyword;
+    if (keyIndex !== undefined)
+      fullPath += '/' + (typeof keyIndex == 'number' ? keyIndex : util.escapeFragment(keyIndex));
+
+    if (typeof id == 'string') {
+      id = baseId = normalizeId(baseId ? URI.resolve(baseId, id) : id);
+
+      var refVal = self._refs[id];
+      if (typeof refVal == 'string') refVal = self._refs[refVal];
+      if (refVal && refVal.schema) {
+        if (!equal(sch, refVal.schema))
+          throw new Error('id "' + id + '" resolves to more than one schema');
+      } else if (id != normalizeId(fullPath)) {
+        if (id[0] == '#') {
+          if (localRefs[id] && !equal(sch, localRefs[id]))
+            throw new Error('id "' + id + '" resolves to more than one schema');
+          localRefs[id] = sch;
+        } else {
+          self._refs[id] = fullPath;
+        }
+      }
+    }
+    baseIds[jsonPtr] = baseId;
+    fullPaths[jsonPtr] = fullPath;
+  });
+
+  return localRefs;
+}
diff --git a/node_modules/ajv/lib/compile/rules.js b/node_modules/ajv/lib/compile/rules.js
new file mode 100644
index 00000000..08b25aeb
--- /dev/null
+++ b/node_modules/ajv/lib/compile/rules.js
@@ -0,0 +1,66 @@
+'use strict';
+
+var ruleModules = require('../dotjs')
+  , toHash = require('./util').toHash;
+
+module.exports = function rules() {
+  var RULES = [
+    { type: 'number',
+      rules: [ { 'maximum': ['exclusiveMaximum'] },
+               { 'minimum': ['exclusiveMinimum'] }, 'multipleOf', 'format'] },
+    { type: 'string',
+      rules: [ 'maxLength', 'minLength', 'pattern', 'format' ] },
+    { type: 'array',
+      rules: [ 'maxItems', 'minItems', 'items', 'contains', 'uniqueItems' ] },
+    { type: 'object',
+      rules: [ 'maxProperties', 'minProperties', 'required', 'dependencies', 'propertyNames',
+               { 'properties': ['additionalProperties', 'patternProperties'] } ] },
+    { rules: [ '$ref', 'const', 'enum', 'not', 'anyOf', 'oneOf', 'allOf', 'if' ] }
+  ];
+
+  var ALL = [ 'type', '$comment' ];
+  var KEYWORDS = [
+    '$schema', '$id', 'id', '$data', '$async', 'title',
+    'description', 'default', 'definitions',
+    'examples', 'readOnly', 'writeOnly',
+    'contentMediaType', 'contentEncoding',
+    'additionalItems', 'then', 'else'
+  ];
+  var TYPES = [ 'number', 'integer', 'string', 'array', 'object', 'boolean', 'null' ];
+  RULES.all = toHash(ALL);
+  RULES.types = toHash(TYPES);
+
+  RULES.forEach(function (group) {
+    group.rules = group.rules.map(function (keyword) {
+      var implKeywords;
+      if (typeof keyword == 'object') {
+        var key = Object.keys(keyword)[0];
+        implKeywords = keyword[key];
+        keyword = key;
+        implKeywords.forEach(function (k) {
+          ALL.push(k);
+          RULES.all[k] = true;
+        });
+      }
+      ALL.push(keyword);
+      var rule = RULES.all[keyword] = {
+        keyword: keyword,
+        code: ruleModules[keyword],
+        implements: implKeywords
+      };
+      return rule;
+    });
+
+    RULES.all.$comment = {
+      keyword: '$comment',
+      code: ruleModules.$comment
+    };
+
+    if (group.type) RULES.types[group.type] = group;
+  });
+
+  RULES.keywords = toHash(ALL.concat(KEYWORDS));
+  RULES.custom = {};
+
+  return RULES;
+};
diff --git a/node_modules/ajv/lib/compile/schema_obj.js b/node_modules/ajv/lib/compile/schema_obj.js
new file mode 100644
index 00000000..e7903b0f
--- /dev/null
+++ b/node_modules/ajv/lib/compile/schema_obj.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var util = require('./util');
+
+module.exports = SchemaObject;
+
+function SchemaObject(obj) {
+  util.copy(obj, this);
+}
diff --git a/node_modules/ajv/lib/compile/ucs2length.js b/node_modules/ajv/lib/compile/ucs2length.js
new file mode 100644
index 00000000..d193fb17
--- /dev/null
+++ b/node_modules/ajv/lib/compile/ucs2length.js
@@ -0,0 +1,20 @@
+'use strict';
+
+// https://mathiasbynens.be/notes/javascript-encoding
+// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
+module.exports = function ucs2length(str) {
+  var length = 0
+    , len = str.length
+    , pos = 0
+    , value;
+  while (pos < len) {
+    length++;
+    value = str.charCodeAt(pos++);
+    if (value >= 0xD800 && value <= 0xDBFF && pos < len) {
+      // high surrogate, and there is a next character
+      value = str.charCodeAt(pos);
+      if ((value & 0xFC00) == 0xDC00) pos++; // low surrogate
+    }
+  }
+  return length;
+};
diff --git a/node_modules/ajv/lib/compile/util.js b/node_modules/ajv/lib/compile/util.js
new file mode 100644
index 00000000..ef07b8c7
--- /dev/null
+++ b/node_modules/ajv/lib/compile/util.js
@@ -0,0 +1,239 @@
+'use strict';
+
+
+module.exports = {
+  copy: copy,
+  checkDataType: checkDataType,
+  checkDataTypes: checkDataTypes,
+  coerceToTypes: coerceToTypes,
+  toHash: toHash,
+  getProperty: getProperty,
+  escapeQuotes: escapeQuotes,
+  equal: require('fast-deep-equal'),
+  ucs2length: require('./ucs2length'),
+  varOccurences: varOccurences,
+  varReplace: varReplace,
+  schemaHasRules: schemaHasRules,
+  schemaHasRulesExcept: schemaHasRulesExcept,
+  schemaUnknownRules: schemaUnknownRules,
+  toQuotedString: toQuotedString,
+  getPathExpr: getPathExpr,
+  getPath: getPath,
+  getData: getData,
+  unescapeFragment: unescapeFragment,
+  unescapeJsonPointer: unescapeJsonPointer,
+  escapeFragment: escapeFragment,
+  escapeJsonPointer: escapeJsonPointer
+};
+
+
+function copy(o, to) {
+  to = to || {};
+  for (var key in o) to[key] = o[key];
+  return to;
+}
+
+
+function checkDataType(dataType, data, strictNumbers, negate) {
+  var EQUAL = negate ? ' !== ' : ' === '
+    , AND = negate ? ' || ' : ' && '
+    , OK = negate ? '!' : ''
+    , NOT = negate ? '' : '!';
+  switch (dataType) {
+    case 'null': return data + EQUAL + 'null';
+    case 'array': return OK + 'Array.isArray(' + data + ')';
+    case 'object': return '(' + OK + data + AND +
+                          'typeof ' + data + EQUAL + '"object"' + AND +
+                          NOT + 'Array.isArray(' + data + '))';
+    case 'integer': return '(typeof ' + data + EQUAL + '"number"' + AND +
+                           NOT + '(' + data + ' % 1)' +
+                           AND + data + EQUAL + data +
+                           (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    case 'number': return '(typeof ' + data + EQUAL + '"' + dataType + '"' +
+                          (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    default: return 'typeof ' + data + EQUAL + '"' + dataType + '"';
+  }
+}
+
+
+function checkDataTypes(dataTypes, data, strictNumbers) {
+  switch (dataTypes.length) {
+    case 1: return checkDataType(dataTypes[0], data, strictNumbers, true);
+    default:
+      var code = '';
+      var types = toHash(dataTypes);
+      if (types.array && types.object) {
+        code = types.null ? '(': '(!' + data + ' || ';
+        code += 'typeof ' + data + ' !== "object")';
+        delete types.null;
+        delete types.array;
+        delete types.object;
+      }
+      if (types.number) delete types.integer;
+      for (var t in types)
+        code += (code ? ' && ' : '' ) + checkDataType(t, data, strictNumbers, true);
+
+      return code;
+  }
+}
+
+
+var COERCE_TO_TYPES = toHash([ 'string', 'number', 'integer', 'boolean', 'null' ]);
+function coerceToTypes(optionCoerceTypes, dataTypes) {
+  if (Array.isArray(dataTypes)) {
+    var types = [];
+    for (var i=0; i<dataTypes.length; i++) {
+      var t = dataTypes[i];
+      if (COERCE_TO_TYPES[t]) types[types.length] = t;
+      else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
+    }
+    if (types.length) return types;
+  } else if (COERCE_TO_TYPES[dataTypes]) {
+    return [dataTypes];
+  } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
+    return ['array'];
+  }
+}
+
+
+function toHash(arr) {
+  var hash = {};
+  for (var i=0; i<arr.length; i++) hash[arr[i]] = true;
+  return hash;
+}
+
+
+var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
+var SINGLE_QUOTE = /'|\\/g;
+function getProperty(key) {
+  return typeof key == 'number'
+          ? '[' + key + ']'
+          : IDENTIFIER.test(key)
+            ? '.' + key
+            : "['" + escapeQuotes(key) + "']";
+}
+
+
+function escapeQuotes(str) {
+  return str.replace(SINGLE_QUOTE, '\\$&')
+            .replace(/\n/g, '\\n')
+            .replace(/\r/g, '\\r')
+            .replace(/\f/g, '\\f')
+            .replace(/\t/g, '\\t');
+}
+
+
+function varOccurences(str, dataVar) {
+  dataVar += '[^0-9]';
+  var matches = str.match(new RegExp(dataVar, 'g'));
+  return matches ? matches.length : 0;
+}
+
+
+function varReplace(str, dataVar, expr) {
+  dataVar += '([^0-9])';
+  expr = expr.replace(/\$/g, '$$$$');
+  return str.replace(new RegExp(dataVar, 'g'), expr + '$1');
+}
+
+
+function schemaHasRules(schema, rules) {
+  if (typeof schema == 'boolean') return !schema;
+  for (var key in schema) if (rules[key]) return true;
+}
+
+
+function schemaHasRulesExcept(schema, rules, exceptKeyword) {
+  if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
+  for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
+}
+
+
+function schemaUnknownRules(schema, rules) {
+  if (typeof schema == 'boolean') return;
+  for (var key in schema) if (!rules[key]) return key;
+}
+
+
+function toQuotedString(str) {
+  return '\'' + escapeQuotes(str) + '\'';
+}
+
+
+function getPathExpr(currentPath, expr, jsonPointers, isNumber) {
+  var path = jsonPointers // false by default
+              ? '\'/\' + ' + expr + (isNumber ? '' : '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\')')
+              : (isNumber ? '\'[\' + ' + expr + ' + \']\'' : '\'[\\\'\' + ' + expr + ' + \'\\\']\'');
+  return joinPaths(currentPath, path);
+}
+
+
+function getPath(currentPath, prop, jsonPointers) {
+  var path = jsonPointers // false by default
+              ? toQuotedString('/' + escapeJsonPointer(prop))
+              : toQuotedString(getProperty(prop));
+  return joinPaths(currentPath, path);
+}
+
+
+var JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/;
+var RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/;
+function getData($data, lvl, paths) {
+  var up, jsonPointer, data, matches;
+  if ($data === '') return 'rootData';
+  if ($data[0] == '/') {
+    if (!JSON_POINTER.test($data)) throw new Error('Invalid JSON-pointer: ' + $data);
+    jsonPointer = $data;
+    data = 'rootData';
+  } else {
+    matches = $data.match(RELATIVE_JSON_POINTER);
+    if (!matches) throw new Error('Invalid JSON-pointer: ' + $data);
+    up = +matches[1];
+    jsonPointer = matches[2];
+    if (jsonPointer == '#') {
+      if (up >= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
+      return paths[lvl - up];
+    }
+
+    if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
+    data = 'data' + ((lvl - up) || '');
+    if (!jsonPointer) return data;
+  }
+
+  var expr = data;
+  var segments = jsonPointer.split('/');
+  for (var i=0; i<segments.length; i++) {
+    var segment = segments[i];
+    if (segment) {
+      data += getProperty(unescapeJsonPointer(segment));
+      expr += ' && ' + data;
+    }
+  }
+  return expr;
+}
+
+
+function joinPaths (a, b) {
+  if (a == '""') return b;
+  return (a + ' + ' + b).replace(/([^\\])' \+ '/g, '$1');
+}
+
+
+function unescapeFragment(str) {
+  return unescapeJsonPointer(decodeURIComponent(str));
+}
+
+
+function escapeFragment(str) {
+  return encodeURIComponent(escapeJsonPointer(str));
+}
+
+
+function escapeJsonPointer(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
diff --git a/node_modules/ajv/lib/data.js b/node_modules/ajv/lib/data.js
new file mode 100644
index 00000000..f11142be
--- /dev/null
+++ b/node_modules/ajv/lib/data.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var KEYWORDS = [
+  'multipleOf',
+  'maximum',
+  'exclusiveMaximum',
+  'minimum',
+  'exclusiveMinimum',
+  'maxLength',
+  'minLength',
+  'pattern',
+  'additionalItems',
+  'maxItems',
+  'minItems',
+  'uniqueItems',
+  'maxProperties',
+  'minProperties',
+  'required',
+  'additionalProperties',
+  'enum',
+  'format',
+  'const'
+];
+
+module.exports = function (metaSchema, keywordsJsonPointers) {
+  for (var i=0; i<keywordsJsonPointers.length; i++) {
+    metaSchema = JSON.parse(JSON.stringify(metaSchema));
+    var segments = keywordsJsonPointers[i].split('/');
+    var keywords = metaSchema;
+    var j;
+    for (j=1; j<segments.length; j++)
+      keywords = keywords[segments[j]];
+
+    for (j=0; j<KEYWORDS.length; j++) {
+      var key = KEYWORDS[j];
+      var schema = keywords[key];
+      if (schema) {
+        keywords[key] = {
+          anyOf: [
+            schema,
+            { $ref: 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+    }
+  }
+
+  return metaSchema;
+};
diff --git a/node_modules/ajv/lib/definition_schema.js b/node_modules/ajv/lib/definition_schema.js
new file mode 100644
index 00000000..ad86d4f0
--- /dev/null
+++ b/node_modules/ajv/lib/definition_schema.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var metaSchema = require('./refs/json-schema-draft-07.json');
+
+module.exports = {
+  $id: 'https://github.com/ajv-validator/ajv/blob/master/lib/definition_schema.js',
+  definitions: {
+    simpleTypes: metaSchema.definitions.simpleTypes
+  },
+  type: 'object',
+  dependencies: {
+    schema: ['validate'],
+    $data: ['validate'],
+    statements: ['inline'],
+    valid: {not: {required: ['macro']}}
+  },
+  properties: {
+    type: metaSchema.properties.type,
+    schema: {type: 'boolean'},
+    statements: {type: 'boolean'},
+    dependencies: {
+      type: 'array',
+      items: {type: 'string'}
+    },
+    metaSchema: {type: 'object'},
+    modifying: {type: 'boolean'},
+    valid: {type: 'boolean'},
+    $data: {type: 'boolean'},
+    async: {type: 'boolean'},
+    errors: {
+      anyOf: [
+        {type: 'boolean'},
+        {const: 'full'}
+      ]
+    }
+  }
+};
diff --git a/node_modules/ajv/lib/dot/_limit.jst b/node_modules/ajv/lib/dot/_limit.jst
new file mode 100644
index 00000000..f1521892
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limit.jst
@@ -0,0 +1,113 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{## def.setExclusiveLimit:
+  $exclusive = true;
+  $errorKeyword = $exclusiveKeyword;
+  $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+#}}
+
+{{
+  var $isMax = $keyword == 'maximum'
+    , $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum'
+    , $schemaExcl = it.schema[$exclusiveKeyword]
+    , $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data
+    , $op = $isMax ? '<' : '>'
+    , $notOp = $isMax ? '>' : '<'
+    , $errorKeyword = undefined;
+
+  if (!($isData || typeof $schema == 'number' || $schema === undefined)) {
+    throw new Error($keyword + ' must be number');
+  }
+  if (!($isDataExcl || $schemaExcl === undefined
+                    || typeof $schemaExcl == 'number'
+                    || typeof $schemaExcl == 'boolean')) {
+    throw new Error($exclusiveKeyword + ' must be number or boolean');
+  }
+}}
+
+{{? $isDataExcl }}
+  {{
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr)
+      , $exclusive = 'exclusive' + $lvl
+      , $exclType = 'exclType' + $lvl
+      , $exclIsNumber = 'exclIsNumber' + $lvl
+      , $opExpr = 'op' + $lvl
+      , $opStr = '\' + ' + $opExpr + ' + \'';
+  }}
+  var schemaExcl{{=$lvl}} = {{=$schemaValueExcl}};
+  {{ $schemaValueExcl = 'schemaExcl' + $lvl; }}
+
+  var {{=$exclusive}};
+  var {{=$exclType}} = typeof {{=$schemaValueExcl}};
+  if ({{=$exclType}} != 'boolean' && {{=$exclType}} != 'undefined' && {{=$exclType}} != 'number') {
+    {{ var $errorKeyword = $exclusiveKeyword; }}
+    {{# def.error:'_exclusiveLimit' }}
+  } else if ({{# def.$dataNotType:'number' }}
+            {{=$exclType}} == 'number'
+              ? (
+                  ({{=$exclusive}} = {{=$schemaValue}} === undefined || {{=$schemaValueExcl}} {{=$op}}= {{=$schemaValue}})
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValueExcl}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
+              : (
+                  ({{=$exclusive}} = {{=$schemaValueExcl}} === true)
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValue}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
+            || {{=$data}} !== {{=$data}}) {
+    var op{{=$lvl}} = {{=$exclusive}} ? '{{=$op}}' : '{{=$op}}=';
+    {{
+      if ($schema === undefined) {
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaValueExcl;
+        $isData = $isDataExcl;
+      }
+    }}
+{{??}}
+  {{
+    var $exclIsNumber = typeof $schemaExcl == 'number'
+      , $opStr = $op;  /*used in error*/
+  }}
+
+  {{? $exclIsNumber && $isData }}
+    {{ var $opExpr = '\'' + $opStr + '\''; /*used in error*/ }}
+    if ({{# def.$dataNotType:'number' }}
+        ( {{=$schemaValue}} === undefined
+          || {{=$schemaExcl}} {{=$op}}= {{=$schemaValue}}
+            ? {{=$data}} {{=$notOp}}= {{=$schemaExcl}}
+            : {{=$data}} {{=$notOp}} {{=$schemaValue}} )
+        || {{=$data}} !== {{=$data}}) {
+  {{??}}
+    {{
+      if ($exclIsNumber && $schema === undefined) {
+          {{# def.setExclusiveLimit }}
+          $schemaValue = $schemaExcl;
+          $notOp += '=';
+      } else {
+        if ($exclIsNumber)
+          $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          {{# def.setExclusiveLimit }}
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+
+      var $opExpr = '\'' + $opStr + '\''; /*used in error*/
+    }}
+
+    if ({{# def.$dataNotType:'number' }}
+        {{=$data}} {{=$notOp}} {{=$schemaValue}}
+        || {{=$data}} !== {{=$data}}) {
+  {{?}}
+{{?}}
+    {{ $errorKeyword = $errorKeyword || $keyword; }}
+    {{# def.error:'_limit' }}
+  } {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitItems.jst b/node_modules/ajv/lib/dot/_limitItems.jst
new file mode 100644
index 00000000..741329e7
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitItems.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxItems' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} {{=$data}}.length {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitItems' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitLength.jst b/node_modules/ajv/lib/dot/_limitLength.jst
new file mode 100644
index 00000000..285c66bd
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitLength.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxLength' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} {{# def.strLength }} {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitLength' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitProperties.jst b/node_modules/ajv/lib/dot/_limitProperties.jst
new file mode 100644
index 00000000..c4c21551
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitProperties.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxProperties' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} Object.keys({{=$data}}).length {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitProperties' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/allOf.jst b/node_modules/ajv/lib/dot/allOf.jst
new file mode 100644
index 00000000..0e782fe9
--- /dev/null
+++ b/node_modules/ajv/lib/dot/allOf.jst
@@ -0,0 +1,32 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $currentBaseId = $it.baseId
+    , $allSchemasEmpty = true;
+}}
+
+{{~ $schema:$sch:$i }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{
+      $allSchemasEmpty = false;
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+
+    {{# def.ifResultValid }}
+  {{?}}
+{{~}}
+
+{{? $breakOnError }}
+  {{? $allSchemasEmpty }}
+    if (true) {
+  {{??}}
+    {{= $closingBraces.slice(0,-1) }}
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/anyOf.jst b/node_modules/ajv/lib/dot/anyOf.jst
new file mode 100644
index 00000000..ea909ee6
--- /dev/null
+++ b/node_modules/ajv/lib/dot/anyOf.jst
@@ -0,0 +1,46 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $noEmptySchema = $schema.every(function($sch) {
+    return {{# def.nonEmptySchema:$sch }};
+  });
+}}
+{{? $noEmptySchema }}
+  {{ var $currentBaseId = $it.baseId; }}
+  var {{=$errs}} = errors;
+  var {{=$valid}} = false;
+
+  {{# def.setCompositeRule }}
+
+  {{~ $schema:$sch:$i }}
+    {{
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+
+    {{=$valid}} = {{=$valid}} || {{=$nextValid}};
+
+    if (!{{=$valid}}) {
+    {{ $closingBraces += '}'; }}
+  {{~}}
+
+  {{# def.resetCompositeRule }}
+
+  {{= $closingBraces }}
+
+  if (!{{=$valid}}) {
+    {{# def.extraError:'anyOf' }}
+  } else {
+    {{# def.resetErrors }}
+  {{? it.opts.allErrors }} } {{?}}
+{{??}}
+  {{? $breakOnError }}
+    if (true) {
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/coerce.def b/node_modules/ajv/lib/dot/coerce.def
new file mode 100644
index 00000000..c947ed6a
--- /dev/null
+++ b/node_modules/ajv/lib/dot/coerce.def
@@ -0,0 +1,51 @@
+{{## def.coerceType:
+  {{
+    var $dataType = 'dataType' + $lvl
+      , $coerced = 'coerced' + $lvl;
+  }}
+  var {{=$dataType}} = typeof {{=$data}};
+  var {{=$coerced}} = undefined;
+
+  {{? it.opts.coerceTypes == 'array' }}
+    if ({{=$dataType}} == 'object' && Array.isArray({{=$data}}) && {{=$data}}.length == 1) {
+      {{=$data}} = {{=$data}}[0];
+      {{=$dataType}} = typeof {{=$data}};
+      if ({{=it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)}}) {{=$coerced}} = {{=$data}};
+    }
+  {{?}}
+
+  if ({{=$coerced}} !== undefined) ;
+  {{~ $coerceToTypes:$type:$i }}
+    {{? $type == 'string' }}
+      else if ({{=$dataType}} == 'number' || {{=$dataType}} == 'boolean')
+        {{=$coerced}} = '' + {{=$data}};
+      else if ({{=$data}} === null) {{=$coerced}} = '';
+    {{?? $type == 'number' || $type == 'integer' }}
+      else if ({{=$dataType}} == 'boolean' || {{=$data}} === null
+          || ({{=$dataType}} == 'string' && {{=$data}} && {{=$data}} == +{{=$data}}
+          {{? $type == 'integer' }} && !({{=$data}} % 1){{?}}))
+        {{=$coerced}} = +{{=$data}};
+    {{?? $type == 'boolean' }}
+      else if ({{=$data}} === 'false' || {{=$data}} === 0 || {{=$data}} === null)
+        {{=$coerced}} = false;
+      else if ({{=$data}} === 'true' || {{=$data}} === 1)
+        {{=$coerced}} = true;
+    {{?? $type == 'null' }}
+      else if ({{=$data}} === '' || {{=$data}} === 0 || {{=$data}} === false)
+        {{=$coerced}} = null;
+    {{?? it.opts.coerceTypes == 'array' && $type == 'array' }}
+      else if ({{=$dataType}} == 'string' || {{=$dataType}} == 'number' || {{=$dataType}} == 'boolean' || {{=$data}} == null)
+        {{=$coerced}} = [{{=$data}}];
+    {{?}}
+  {{~}}
+  else {
+    {{# def.error:'type' }}
+  }
+
+  if ({{=$coerced}} !== undefined) {
+    {{# def.setParentData }}
+    {{=$data}} = {{=$coerced}};
+    {{? !$dataLvl }}if ({{=$parentData}} !== undefined){{?}}
+      {{=$parentData}}[{{=$parentDataProperty}}] = {{=$coerced}};
+  }
+#}}
diff --git a/node_modules/ajv/lib/dot/comment.jst b/node_modules/ajv/lib/dot/comment.jst
new file mode 100644
index 00000000..f9591503
--- /dev/null
+++ b/node_modules/ajv/lib/dot/comment.jst
@@ -0,0 +1,9 @@
+{{# def.definitions }}
+{{# def.setupKeyword }}
+
+{{ var $comment = it.util.toQuotedString($schema); }}
+{{? it.opts.$comment === true }}
+  console.log({{=$comment}});
+{{?? typeof it.opts.$comment == 'function' }}
+  self._opts.$comment({{=$comment}}, {{=it.util.toQuotedString($errSchemaPath)}}, validate.root.schema);
+{{?}}
diff --git a/node_modules/ajv/lib/dot/const.jst b/node_modules/ajv/lib/dot/const.jst
new file mode 100644
index 00000000..2aa22980
--- /dev/null
+++ b/node_modules/ajv/lib/dot/const.jst
@@ -0,0 +1,11 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{? !$isData }}
+  var schema{{=$lvl}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}} = equal({{=$data}}, schema{{=$lvl}});
+{{# def.checkError:'const' }}
+{{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/contains.jst b/node_modules/ajv/lib/dot/contains.jst
new file mode 100644
index 00000000..4dc99674
--- /dev/null
+++ b/node_modules/ajv/lib/dot/contains.jst
@@ -0,0 +1,55 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{
+  var $idx = 'i' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $currentBaseId = it.baseId
+    , $nonEmptySchema = {{# def.nonEmptySchema:$schema }};
+}}
+
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{? $nonEmptySchema }}
+  {{# def.setCompositeRule }}
+
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  var {{=$nextValid}} = false;
+
+  for (var {{=$idx}} = 0; {{=$idx}} < {{=$data}}.length; {{=$idx}}++) {
+    {{
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+    }}
+
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+
+    if ({{=$nextValid}}) break;
+  }
+
+  {{# def.resetCompositeRule }}
+  {{= $closingBraces }}
+
+  if (!{{=$nextValid}}) {
+{{??}}
+  if ({{=$data}}.length == 0) {
+{{?}}
+
+    {{# def.error:'contains' }}
+  } else {
+    {{? $nonEmptySchema }}
+      {{# def.resetErrors }}
+    {{?}}
+  {{? it.opts.allErrors }} } {{?}}
diff --git a/node_modules/ajv/lib/dot/custom.jst b/node_modules/ajv/lib/dot/custom.jst
new file mode 100644
index 00000000..d30588fb
--- /dev/null
+++ b/node_modules/ajv/lib/dot/custom.jst
@@ -0,0 +1,191 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $rule = this
+    , $definition = 'definition' + $lvl
+    , $rDef = $rule.definition
+    , $closingBraces = '';
+  var $validate = $rDef.validate;
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+}}
+
+{{? $isData && $rDef.$data }}
+  {{
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+  }}
+  var {{=$definition}} = RULES.custom['{{=$keyword}}'].definition;
+  var {{=$validateCode}} = {{=$definition}}.validate;
+{{??}}
+  {{
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }}
+{{?}}
+
+{{
+  var $ruleErrs = $validateCode + '.errors'
+    , $i = 'i' + $lvl
+    , $ruleErr = 'ruleErr' + $lvl
+    , $asyncKeyword = $rDef.async;
+
+  if ($asyncKeyword && !it.async)
+    throw new Error('async keyword in sync schema');
+}}
+
+
+{{? !($inline || $macro) }}{{=$ruleErrs}} = null;{{?}}
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{## def.callRuleValidate:
+  {{=$validateCode}}.call(
+    {{? it.opts.passContext }}this{{??}}self{{?}}
+    {{? $compile || $rDef.schema === false }}
+      , {{=$data}}
+    {{??}}
+      , {{=$schemaValue}}
+      , {{=$data}}
+      , validate.schema{{=it.schemaPath}}
+    {{?}}
+    , {{# def.dataPath }}
+    {{# def.passParentData }}
+    , rootData
+  )
+#}}
+
+{{## def.extendErrors:_inline:
+  for (var {{=$i}}={{=$errs}}; {{=$i}}<errors; {{=$i}}++) {
+    var {{=$ruleErr}} = vErrors[{{=$i}}];
+    if ({{=$ruleErr}}.dataPath === undefined)
+      {{=$ruleErr}}.dataPath = (dataPath || '') + {{= it.errorPath }};
+    {{# _inline ? 'if (\{\{=$ruleErr\}\}.schemaPath === undefined) {' : '' }}
+      {{=$ruleErr}}.schemaPath = "{{=$errSchemaPath}}";
+    {{# _inline ? '}' : '' }}
+    {{? it.opts.verbose }}
+      {{=$ruleErr}}.schema = {{=$schemaValue}};
+      {{=$ruleErr}}.data = {{=$data}};
+    {{?}}
+  }
+#}}
+
+
+{{? $isData && $rDef.$data }}
+  {{ $closingBraces += '}'; }}
+  if ({{=$schemaValue}} === undefined) {
+    {{=$valid}} = true;
+  } else {
+  {{? $validateSchema }}
+    {{ $closingBraces += '}'; }}
+    {{=$valid}} = {{=$definition}}.validateSchema({{=$schemaValue}});
+    if ({{=$valid}}) {
+  {{?}}
+{{?}}
+
+{{? $inline }}
+  {{? $rDef.statements }}
+    {{= $ruleValidate.validate }}
+  {{??}}
+    {{=$valid}} = {{= $ruleValidate.validate }};
+  {{?}}
+{{?? $macro }}
+  {{# def.setupNextLevel }}
+  {{
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+  }}
+  {{# def.setCompositeRule }}
+  {{ var $code = it.validate($it).replace(/validate\.schema/g, $validateCode); }}
+  {{# def.resetCompositeRule }}
+  {{= $code }}
+{{??}}
+  {{# def.beginDefOut}}
+    {{# def.callRuleValidate }}
+  {{# def.storeDefOut:def_callRuleValidate }}
+
+  {{? $rDef.errors === false }}
+    {{=$valid}} = {{? $asyncKeyword }}await {{?}}{{= def_callRuleValidate }};
+  {{??}}
+    {{? $asyncKeyword }}
+      {{ $ruleErrs = 'customErrors' + $lvl; }}
+      var {{=$ruleErrs}} = null;
+      try {
+        {{=$valid}} = await {{= def_callRuleValidate }};
+      } catch (e) {
+        {{=$valid}} = false;
+        if (e instanceof ValidationError) {{=$ruleErrs}} = e.errors;
+        else throw e;
+      }
+    {{??}}
+      {{=$ruleErrs}} = null;
+      {{=$valid}} = {{= def_callRuleValidate }};
+    {{?}}
+  {{?}}
+{{?}}
+
+{{? $rDef.modifying }}
+  if ({{=$parentData}}) {{=$data}} = {{=$parentData}}[{{=$parentDataProperty}}];
+{{?}}
+
+{{= $closingBraces }}
+
+{{## def.notValidationResult:
+  {{? $rDef.valid === undefined }}
+    !{{? $macro }}{{=$nextValid}}{{??}}{{=$valid}}{{?}}
+  {{??}}
+    {{= !$rDef.valid }}
+  {{?}}
+#}}
+
+{{? $rDef.valid }}
+  {{? $breakOnError }} if (true) { {{?}}
+{{??}}
+  if ({{# def.notValidationResult }}) {
+    {{ $errorKeyword = $rule.keyword; }}
+    {{# def.beginDefOut}}
+      {{# def.error:'custom' }}
+    {{# def.storeDefOut:def_customError }}
+
+    {{? $inline }}
+      {{? $rDef.errors }}
+        {{? $rDef.errors != 'full' }}
+          {{# def.extendErrors:true }}
+        {{?}}
+      {{??}}
+        {{? $rDef.errors === false}}
+          {{= def_customError }}
+        {{??}}
+          if ({{=$errs}} == errors) {
+            {{= def_customError }}
+          } else {
+            {{# def.extendErrors:true }}
+          }
+        {{?}}
+      {{?}}
+    {{?? $macro }}
+      {{# def.extraError:'custom' }}
+    {{??}}
+      {{? $rDef.errors === false}}
+        {{= def_customError }}
+      {{??}}
+        if (Array.isArray({{=$ruleErrs}})) {
+          if (vErrors === null) vErrors = {{=$ruleErrs}};
+          else vErrors = vErrors.concat({{=$ruleErrs}});
+          errors = vErrors.length;
+          {{# def.extendErrors:false }}
+        } else {
+          {{= def_customError }}
+        }
+      {{?}}
+    {{?}}
+
+  } {{? $breakOnError }} else { {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/defaults.def b/node_modules/ajv/lib/dot/defaults.def
new file mode 100644
index 00000000..a844cf28
--- /dev/null
+++ b/node_modules/ajv/lib/dot/defaults.def
@@ -0,0 +1,47 @@
+{{## def.assignDefault:
+  {{? it.compositeRule }}
+    {{
+      if (it.opts.strictDefaults) {
+        var $defaultMsg = 'default is ignored for: ' + $passData;
+        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+        else throw new Error($defaultMsg);
+      }
+    }}
+  {{??}}
+    if ({{=$passData}} === undefined
+      {{? it.opts.useDefaults == 'empty' }}
+        || {{=$passData}} === null
+        || {{=$passData}} === ''
+      {{?}}
+    )
+      {{=$passData}} = {{? it.opts.useDefaults == 'shared' }}
+                         {{= it.useDefault($sch.default) }}
+                       {{??}}
+                         {{= JSON.stringify($sch.default) }}
+                       {{?}};
+  {{?}}
+#}}
+
+
+{{## def.defaultProperties:
+  {{
+    var $schema = it.schema.properties
+      , $schemaKeys = Object.keys($schema); }}
+  {{~ $schemaKeys:$propertyKey }}
+    {{ var $sch = $schema[$propertyKey]; }}
+    {{? $sch.default !== undefined }}
+      {{ var $passData = $data + it.util.getProperty($propertyKey); }}
+      {{# def.assignDefault }}
+    {{?}}
+  {{~}}
+#}}
+
+
+{{## def.defaultItems:
+  {{~ it.schema.items:$sch:$i }}
+    {{? $sch.default !== undefined }}
+      {{ var $passData = $data + '[' + $i + ']'; }}
+      {{# def.assignDefault }}
+    {{?}}
+  {{~}}
+#}}
diff --git a/node_modules/ajv/lib/dot/definitions.def b/node_modules/ajv/lib/dot/definitions.def
new file mode 100644
index 00000000..709cce36
--- /dev/null
+++ b/node_modules/ajv/lib/dot/definitions.def
@@ -0,0 +1,203 @@
+{{## def.setupKeyword:
+  {{
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+    var $errs = 'errs__' + $lvl;
+  }}
+#}}
+
+
+{{## def.setCompositeRule:
+  {{
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+  }}
+#}}
+
+
+{{## def.resetCompositeRule:
+  {{ it.compositeRule = $it.compositeRule = $wasComposite; }}
+#}}
+
+
+{{## def.setupNextLevel:
+  {{
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+  }}
+#}}
+
+
+{{## def.ifValid:
+  {{? $breakOnError }}
+    if ({{=$valid}}) {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+#}}
+
+
+{{## def.ifResultValid:
+  {{? $breakOnError }}
+    if ({{=$nextValid}}) {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+#}}
+
+
+{{## def.elseIfValid:
+  {{? $breakOnError }}
+    {{ $closingBraces += '}'; }}
+    else {
+  {{?}}
+#}}
+
+
+{{## def.nonEmptySchema:_schema:
+  (it.opts.strictKeywords
+    ? (typeof _schema == 'object' && Object.keys(_schema).length > 0)
+      || _schema === false
+    : it.util.schemaHasRules(_schema, it.RULES.all))
+#}}
+
+
+{{## def.strLength:
+  {{? it.opts.unicode === false }}
+    {{=$data}}.length
+  {{??}}
+    ucs2length({{=$data}})
+  {{?}}
+#}}
+
+
+{{## def.willOptimize:
+  it.util.varOccurences($code, $nextData) < 2
+#}}
+
+
+{{## def.generateSubschemaCode:
+  {{
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+  }}
+#}}
+
+
+{{## def.insertSubschemaCode:
+  {{= it.validate($it) }}
+  {{ $it.baseId = $currentBaseId; }}
+#}}
+
+
+{{## def._optimizeValidate:
+  it.util.varReplace($code, $nextData, $passData)
+#}}
+
+
+{{## def.optimizeValidate:
+  {{? {{# def.willOptimize}} }}
+    {{= {{# def._optimizeValidate }} }}
+  {{??}}
+    var {{=$nextData}} = {{=$passData}};
+    {{= $code }}
+  {{?}}
+#}}
+
+
+{{## def.$data:
+  {{
+    var $isData = it.opts.$data && $schema && $schema.$data
+      , $schemaValue;
+  }}
+  {{? $isData }}
+    var schema{{=$lvl}} = {{= it.util.getData($schema.$data, $dataLvl, it.dataPathArr) }};
+    {{ $schemaValue = 'schema' + $lvl; }}
+  {{??}}
+    {{ $schemaValue = $schema; }}
+  {{?}}
+#}}
+
+
+{{## def.$dataNotType:_type:
+  {{?$isData}} ({{=$schemaValue}} !== undefined && typeof {{=$schemaValue}} != _type) || {{?}}
+#}}
+
+
+{{## def.check$dataIsArray:
+  if (schema{{=$lvl}} === undefined) {{=$valid}} = true;
+  else if (!Array.isArray(schema{{=$lvl}})) {{=$valid}} = false;
+  else {
+#}}
+
+
+{{## def.numberKeyword:
+  {{? !($isData || typeof $schema == 'number') }}
+    {{ throw new Error($keyword + ' must be number'); }}
+  {{?}}
+#}}
+
+
+{{## def.beginDefOut:
+  {{
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+  }}
+#}}
+
+
+{{## def.storeDefOut:_variable:
+  {{
+    var _variable = out;
+    out = $$outStack.pop();
+  }}
+#}}
+
+
+{{## def.dataPath:(dataPath || ''){{? it.errorPath != '""'}} + {{= it.errorPath }}{{?}}#}}
+
+{{## def.setParentData:
+  {{
+    var $parentData = $dataLvl ? 'data' + (($dataLvl-1)||'') : 'parentData'
+      , $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+  }}
+#}}
+
+{{## def.passParentData:
+  {{# def.setParentData }}
+  , {{= $parentData }}
+  , {{= $parentDataProperty }}
+#}}
+
+
+{{## def.iterateProperties:
+  {{? $ownProperties }}
+    {{=$dataProperties}} = {{=$dataProperties}} || Object.keys({{=$data}});
+    for (var {{=$idx}}=0; {{=$idx}}<{{=$dataProperties}}.length; {{=$idx}}++) {
+      var {{=$key}} = {{=$dataProperties}}[{{=$idx}}];
+  {{??}}
+    for (var {{=$key}} in {{=$data}}) {
+  {{?}}
+#}}
+
+
+{{## def.noPropertyInData:
+  {{=$useData}} === undefined
+  {{? $ownProperties }}
+    || !{{# def.isOwnProperty }}
+  {{?}}
+#}}
+
+
+{{## def.isOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($propertyKey)}}')
+#}}
diff --git a/node_modules/ajv/lib/dot/dependencies.jst b/node_modules/ajv/lib/dot/dependencies.jst
new file mode 100644
index 00000000..e4bdddec
--- /dev/null
+++ b/node_modules/ajv/lib/dot/dependencies.jst
@@ -0,0 +1,79 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.missing }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.propertyInData:
+  {{=$data}}{{= it.util.getProperty($property) }} !== undefined
+  {{? $ownProperties }}
+    && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
+  {{?}}
+#}}
+
+
+{{
+  var $schemaDeps = {}
+    , $propertyDeps = {}
+    , $ownProperties = it.opts.ownProperties;
+
+  for ($property in $schema) {
+    if ($property == '__proto__') continue;
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+}}
+
+var {{=$errs}} = errors;
+
+{{ var $currentErrorPath = it.errorPath; }}
+
+var missing{{=$lvl}};
+{{ for (var $property in $propertyDeps) { }}
+  {{ $deps = $propertyDeps[$property]; }}
+  {{? $deps.length }}
+    if ({{# def.propertyInData }}
+      {{? $breakOnError }}
+          && ({{# def.checkMissingProperty:$deps }})) {
+          {{# def.errorMissingProperty:'dependencies' }}
+      {{??}}
+        ) {
+          {{~ $deps:$propertyKey }}
+            {{# def.allErrorsMissingProperty:'dependencies' }}
+          {{~}}
+      {{?}}
+    } {{# def.elseIfValid }}
+  {{?}}
+{{ } }}
+
+{{
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+}}
+
+
+{{ for (var $property in $schemaDeps) { }}
+  {{ var $sch = $schemaDeps[$property]; }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{=$nextValid}} = true;
+
+    if ({{# def.propertyInData }}) {
+      {{ 
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + it.util.getProperty($property);
+        $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      }}
+
+      {{# def.insertSubschemaCode }}
+    }
+
+    {{# def.ifResultValid }}
+  {{?}}
+{{ } }}
+
+{{? $breakOnError }} 
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/enum.jst b/node_modules/ajv/lib/dot/enum.jst
new file mode 100644
index 00000000..357c2e8c
--- /dev/null
+++ b/node_modules/ajv/lib/dot/enum.jst
@@ -0,0 +1,30 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $i = 'i' + $lvl
+    , $vSchema = 'schema' + $lvl;
+}}
+
+{{? !$isData }}
+  var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}};
+
+{{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+{{=$valid}} = false;
+
+for (var {{=$i}}=0; {{=$i}}<{{=$vSchema}}.length; {{=$i}}++)
+  if (equal({{=$data}}, {{=$vSchema}}[{{=$i}}])) {
+    {{=$valid}} = true;
+    break;
+  }
+
+{{? $isData }}  }  {{?}}
+
+{{# def.checkError:'enum' }}
+
+{{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/errors.def b/node_modules/ajv/lib/dot/errors.def
new file mode 100644
index 00000000..5c5752cb
--- /dev/null
+++ b/node_modules/ajv/lib/dot/errors.def
@@ -0,0 +1,194 @@
+{{# def.definitions }}
+
+{{## def._error:_rule:
+  {{ 'istanbul ignore else'; }}
+  {{? it.createErrors !== false }}
+    {
+      keyword: '{{= $errorKeyword || _rule }}'
+      , dataPath: (dataPath || '') + {{= it.errorPath }}
+      , schemaPath: {{=it.util.toQuotedString($errSchemaPath)}}
+      , params: {{# def._errorParams[_rule] }}
+      {{? it.opts.messages !== false }}
+        , message: {{# def._errorMessages[_rule] }}
+      {{?}}
+      {{? it.opts.verbose }}
+        , schema: {{# def._errorSchemas[_rule] }}
+        , parentSchema: validate.schema{{=it.schemaPath}}
+        , data: {{=$data}}
+      {{?}}
+    }
+  {{??}}
+    {}
+  {{?}}
+#}}
+
+
+{{## def._addError:_rule:
+  if (vErrors === null) vErrors = [err];
+  else vErrors.push(err);
+  errors++;
+#}}
+
+
+{{## def.addError:_rule:
+  var err = {{# def._error:_rule }};
+  {{# def._addError:_rule }}
+#}}
+
+
+{{## def.error:_rule:
+  {{# def.beginDefOut}}
+    {{# def._error:_rule }}
+  {{# def.storeDefOut:__err }}
+
+  {{? !it.compositeRule && $breakOnError }}
+    {{ 'istanbul ignore if'; }}
+    {{? it.async }}
+      throw new ValidationError([{{=__err}}]);
+    {{??}}
+      validate.errors = [{{=__err}}];
+      return false;
+    {{?}}
+  {{??}}
+    var err = {{=__err}};
+    {{# def._addError:_rule }}
+  {{?}}
+#}}
+
+
+{{## def.extraError:_rule:
+  {{# def.addError:_rule}}
+  {{? !it.compositeRule && $breakOnError }}
+    {{ 'istanbul ignore if'; }}
+    {{? it.async }}
+      throw new ValidationError(vErrors);
+    {{??}}
+      validate.errors = vErrors;
+      return false;
+    {{?}}
+  {{?}}
+#}}
+
+
+{{## def.checkError:_rule:
+  if (!{{=$valid}}) {
+    {{# def.error:_rule }}
+  }
+#}}
+
+
+{{## def.resetErrors:
+  errors = {{=$errs}};
+  if (vErrors !== null) {
+    if ({{=$errs}}) vErrors.length = {{=$errs}};
+    else vErrors = null;
+  }
+#}}
+
+
+{{## def.concatSchema:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=$schema}}{{?}}#}}
+{{## def.appendSchema:{{?$isData}}' + {{=$schemaValue}}{{??}}{{=$schemaValue}}'{{?}}#}}
+{{## def.concatSchemaEQ:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=it.util.escapeQuotes($schema)}}{{?}}#}}
+
+{{## def._errorMessages = {
+  'false schema':  "'boolean schema is false'",
+  $ref:            "'can\\\'t resolve reference {{=it.util.escapeQuotes($schema)}}'",
+  additionalItems: "'should NOT have more than {{=$schema.length}} items'",
+  additionalProperties: "'{{? it.opts._errorDataPathProperty }}is an invalid additional property{{??}}should NOT have additional properties{{?}}'",
+  anyOf:           "'should match some schema in anyOf'",
+  const:           "'should be equal to constant'",
+  contains:        "'should contain a valid item'",
+  dependencies:    "'should have {{? $deps.length == 1 }}property {{= it.util.escapeQuotes($deps[0]) }}{{??}}properties {{= it.util.escapeQuotes($deps.join(\", \")) }}{{?}} when property {{= it.util.escapeQuotes($property) }} is present'",
+  'enum':          "'should be equal to one of the allowed values'",
+  format:          "'should match format \"{{#def.concatSchemaEQ}}\"'",
+  'if':            "'should match \"' + {{=$ifClause}} + '\" schema'",
+  _limit:          "'should be {{=$opStr}} {{#def.appendSchema}}",
+  _exclusiveLimit: "'{{=$exclusiveKeyword}} should be boolean'",
+  _limitItems:     "'should NOT have {{?$keyword=='maxItems'}}more{{??}}fewer{{?}} than {{#def.concatSchema}} items'",
+  _limitLength:    "'should NOT be {{?$keyword=='maxLength'}}longer{{??}}shorter{{?}} than {{#def.concatSchema}} characters'",
+  _limitProperties:"'should NOT have {{?$keyword=='maxProperties'}}more{{??}}fewer{{?}} than {{#def.concatSchema}} properties'",
+  multipleOf:      "'should be multiple of {{#def.appendSchema}}",
+  not:             "'should NOT be valid'",
+  oneOf:           "'should match exactly one schema in oneOf'",
+  pattern:         "'should match pattern \"{{#def.concatSchemaEQ}}\"'",
+  propertyNames:   "'property name \\'{{=$invalidName}}\\' is invalid'",
+  required:        "'{{? it.opts._errorDataPathProperty }}is a required property{{??}}should have required property \\'{{=$missingProperty}}\\'{{?}}'",
+  type:            "'should be {{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}'",
+  uniqueItems:     "'should NOT have duplicate items (items ## ' + j + ' and ' + i + ' are identical)'",
+  custom:          "'should pass \"{{=$rule.keyword}}\" keyword validation'",
+  patternRequired: "'should have property matching pattern \\'{{=$missingPattern}}\\''",
+  switch:          "'should pass \"switch\" keyword validation'",
+  _formatLimit:    "'should be {{=$opStr}} \"{{#def.concatSchemaEQ}}\"'",
+  _formatExclusiveLimit: "'{{=$exclusiveKeyword}} should be boolean'"
+} #}}
+
+
+{{## def.schemaRefOrVal: {{?$isData}}validate.schema{{=$schemaPath}}{{??}}{{=$schema}}{{?}} #}}
+{{## def.schemaRefOrQS: {{?$isData}}validate.schema{{=$schemaPath}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
+
+{{## def._errorSchemas = {
+  'false schema':  "false",
+  $ref:            "{{=it.util.toQuotedString($schema)}}",
+  additionalItems: "false",
+  additionalProperties: "false",
+  anyOf:           "validate.schema{{=$schemaPath}}",
+  const:           "validate.schema{{=$schemaPath}}",
+  contains:        "validate.schema{{=$schemaPath}}",
+  dependencies:    "validate.schema{{=$schemaPath}}",
+  'enum':          "validate.schema{{=$schemaPath}}",
+  format:          "{{#def.schemaRefOrQS}}",
+  'if':            "validate.schema{{=$schemaPath}}",
+  _limit:          "{{#def.schemaRefOrVal}}",
+  _exclusiveLimit: "validate.schema{{=$schemaPath}}",
+  _limitItems:     "{{#def.schemaRefOrVal}}",
+  _limitLength:    "{{#def.schemaRefOrVal}}",
+  _limitProperties:"{{#def.schemaRefOrVal}}",
+  multipleOf:      "{{#def.schemaRefOrVal}}",
+  not:             "validate.schema{{=$schemaPath}}",
+  oneOf:           "validate.schema{{=$schemaPath}}",
+  pattern:         "{{#def.schemaRefOrQS}}",
+  propertyNames:   "validate.schema{{=$schemaPath}}",
+  required:        "validate.schema{{=$schemaPath}}",
+  type:            "validate.schema{{=$schemaPath}}",
+  uniqueItems:     "{{#def.schemaRefOrVal}}",
+  custom:          "validate.schema{{=$schemaPath}}",
+  patternRequired: "validate.schema{{=$schemaPath}}",
+  switch:          "validate.schema{{=$schemaPath}}",
+  _formatLimit:    "{{#def.schemaRefOrQS}}",
+  _formatExclusiveLimit: "validate.schema{{=$schemaPath}}"
+} #}}
+
+
+{{## def.schemaValueQS: {{?$isData}}{{=$schemaValue}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
+
+{{## def._errorParams = {
+  'false schema':  "{}",
+  $ref:            "{ ref: '{{=it.util.escapeQuotes($schema)}}' }",
+  additionalItems: "{ limit: {{=$schema.length}} }",
+  additionalProperties: "{ additionalProperty: '{{=$additionalProperty}}' }",
+  anyOf:           "{}",
+  const:           "{ allowedValue: schema{{=$lvl}} }",
+  contains:        "{}",
+  dependencies:    "{ property: '{{= it.util.escapeQuotes($property) }}', missingProperty: '{{=$missingProperty}}', depsCount: {{=$deps.length}}, deps: '{{= it.util.escapeQuotes($deps.length==1 ? $deps[0] : $deps.join(\", \")) }}' }",
+  'enum':          "{ allowedValues: schema{{=$lvl}} }",
+  format:          "{ format: {{#def.schemaValueQS}} }",
+  'if':            "{ failingKeyword: {{=$ifClause}} }",
+  _limit:          "{ comparison: {{=$opExpr}}, limit: {{=$schemaValue}}, exclusive: {{=$exclusive}} }",
+  _exclusiveLimit: "{}",
+  _limitItems:     "{ limit: {{=$schemaValue}} }",
+  _limitLength:    "{ limit: {{=$schemaValue}} }",
+  _limitProperties:"{ limit: {{=$schemaValue}} }",
+  multipleOf:      "{ multipleOf: {{=$schemaValue}} }",
+  not:             "{}",
+  oneOf:           "{ passingSchemas: {{=$passingSchemas}} }",
+  pattern:         "{ pattern: {{#def.schemaValueQS}} }",
+  propertyNames:   "{ propertyName: '{{=$invalidName}}' }",
+  required:        "{ missingProperty: '{{=$missingProperty}}' }",
+  type:            "{ type: '{{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}' }",
+  uniqueItems:     "{ i: i, j: j }",
+  custom:          "{ keyword: '{{=$rule.keyword}}' }",
+  patternRequired: "{ missingPattern: '{{=$missingPattern}}' }",
+  switch:          "{ caseIndex: {{=$caseIndex}} }",
+  _formatLimit:    "{ comparison: {{=$opExpr}}, limit: {{#def.schemaValueQS}}, exclusive: {{=$exclusive}} }",
+  _formatExclusiveLimit: "{}"
+} #}}
diff --git a/node_modules/ajv/lib/dot/format.jst b/node_modules/ajv/lib/dot/format.jst
new file mode 100644
index 00000000..37f14da8
--- /dev/null
+++ b/node_modules/ajv/lib/dot/format.jst
@@ -0,0 +1,106 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{## def.skipFormat:
+  {{? $breakOnError }} if (true) { {{?}}
+  {{ return out; }}
+#}}
+
+{{? it.opts.format === false }}{{# def.skipFormat }}{{?}}
+
+
+{{# def.$data }}
+
+
+{{## def.$dataCheckFormat:
+  {{# def.$dataNotType:'string' }}
+  ({{? $unknownFormats != 'ignore' }}
+     ({{=$schemaValue}} && !{{=$format}}
+      {{? $allowUnknown }}
+        && self._opts.unknownFormats.indexOf({{=$schemaValue}}) == -1
+      {{?}}) ||
+   {{?}}
+   ({{=$format}} && {{=$formatType}} == '{{=$ruleType}}'
+                 && !(typeof {{=$format}} == 'function'
+                     ? {{? it.async}}
+                        (async{{=$lvl}} ? await {{=$format}}({{=$data}}) : {{=$format}}({{=$data}}))
+                       {{??}}
+                        {{=$format}}({{=$data}})
+                       {{?}}
+                     : {{=$format}}.test({{=$data}}))))
+#}}
+
+{{## def.checkFormat:
+  {{
+    var $formatRef = 'formats' + it.util.getProperty($schema);
+    if ($isObject) $formatRef += '.validate';
+  }}
+  {{? typeof $format == 'function' }}
+    {{=$formatRef}}({{=$data}})
+  {{??}}
+    {{=$formatRef}}.test({{=$data}})
+  {{?}}
+#}}
+
+
+{{
+  var $unknownFormats = it.opts.unknownFormats
+    , $allowUnknown = Array.isArray($unknownFormats);
+}}
+
+{{? $isData }}
+  {{
+    var $format = 'format' + $lvl
+      , $isObject = 'isObject' + $lvl
+      , $formatType = 'formatType' + $lvl;
+  }}
+  var {{=$format}} = formats[{{=$schemaValue}}];
+  var {{=$isObject}} = typeof {{=$format}} == 'object'
+                        && !({{=$format}} instanceof RegExp)
+                        && {{=$format}}.validate;
+  var {{=$formatType}} = {{=$isObject}} && {{=$format}}.type || 'string';
+  if ({{=$isObject}}) {
+    {{? it.async}}
+      var async{{=$lvl}} = {{=$format}}.async;
+    {{?}}
+    {{=$format}} = {{=$format}}.validate;
+  }
+  if ({{# def.$dataCheckFormat }}) {
+{{??}}
+  {{ var $format = it.formats[$schema]; }}
+  {{? !$format }}
+    {{? $unknownFormats == 'ignore' }}
+      {{ it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"'); }}
+      {{# def.skipFormat }}
+    {{?? $allowUnknown && $unknownFormats.indexOf($schema) >= 0 }}
+      {{# def.skipFormat }}
+    {{??}}
+      {{ throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"'); }}
+    {{?}}
+  {{?}}
+  {{
+    var $isObject = typeof $format == 'object'
+                    && !($format instanceof RegExp)
+                    && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+  }}
+  {{? $formatType != $ruleType }}
+    {{# def.skipFormat }}
+  {{?}}
+  {{? $async }}
+    {{
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+    }}
+    if (!(await {{=$formatRef}}({{=$data}}))) {
+  {{??}}
+    if (!{{# def.checkFormat }}) {
+  {{?}}
+{{?}}
+    {{# def.error:'format' }}
+  } {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/if.jst b/node_modules/ajv/lib/dot/if.jst
new file mode 100644
index 00000000..adb50361
--- /dev/null
+++ b/node_modules/ajv/lib/dot/if.jst
@@ -0,0 +1,73 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateIfClause:_clause:
+  {{
+    $it.schema = it.schema['_clause'];
+    $it.schemaPath = it.schemaPath + '._clause';
+    $it.errSchemaPath = it.errSchemaPath + '/_clause';
+  }}
+  {{# def.insertSubschemaCode }}
+  {{=$valid}} = {{=$nextValid}};
+  {{? $thenPresent && $elsePresent }}
+    {{ $ifClause = 'ifClause' + $lvl; }}
+    var {{=$ifClause}} = '_clause';
+  {{??}}
+    {{ $ifClause = '\'_clause\''; }}
+  {{?}}
+#}}
+
+{{
+  var $thenSch = it.schema['then']
+    , $elseSch = it.schema['else']
+    , $thenPresent = $thenSch !== undefined && {{# def.nonEmptySchema:$thenSch }}
+    , $elsePresent = $elseSch !== undefined && {{# def.nonEmptySchema:$elseSch }}
+    , $currentBaseId = $it.baseId;
+}}
+
+{{? $thenPresent || $elsePresent }}
+  {{
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+  var {{=$errs}} = errors;
+  var {{=$valid}} = true;
+
+  {{# def.setCompositeRule }}
+  {{# def.insertSubschemaCode }}
+  {{ $it.createErrors = true; }}
+  {{# def.resetErrors }}
+  {{# def.resetCompositeRule }}
+
+  {{? $thenPresent }}
+    if ({{=$nextValid}}) {
+      {{# def.validateIfClause:then }}
+    }
+    {{? $elsePresent }}
+      else {
+    {{?}}
+  {{??}}
+    if (!{{=$nextValid}}) {
+  {{?}}
+
+  {{? $elsePresent }}
+      {{# def.validateIfClause:else }}
+    }
+  {{?}}
+
+  if (!{{=$valid}}) {
+    {{# def.extraError:'if' }}
+  } 
+  {{? $breakOnError }} else { {{?}}
+{{??}}
+  {{? $breakOnError }}
+    if (true) {
+  {{?}}
+{{?}}
+
diff --git a/node_modules/ajv/lib/dot/items.jst b/node_modules/ajv/lib/dot/items.jst
new file mode 100644
index 00000000..acc932a2
--- /dev/null
+++ b/node_modules/ajv/lib/dot/items.jst
@@ -0,0 +1,98 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateItems:startFrom:
+  for (var {{=$idx}} = {{=startFrom}}; {{=$idx}} < {{=$data}}.length; {{=$idx}}++) {
+    {{
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+    }}
+
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+
+    {{? $breakOnError }}
+      if (!{{=$nextValid}}) break;
+    {{?}}
+  }
+#}}
+
+{{
+  var $idx = 'i' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $currentBaseId = it.baseId;
+}}
+
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{? Array.isArray($schema) }}
+  {{ /* 'items' is an array of schemas */}}
+  {{ var $additionalItems = it.schema.additionalItems; }}
+  {{? $additionalItems === false }}
+    {{=$valid}} = {{=$data}}.length <= {{= $schema.length }};
+    {{
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';      
+    }}
+    {{# def.checkError:'additionalItems' }}
+    {{ $errSchemaPath = $currErrSchemaPath; }}
+    {{# def.elseIfValid}}
+  {{?}}
+
+  {{~ $schema:$sch:$i }}
+    {{? {{# def.nonEmptySchema:$sch }} }}
+      {{=$nextValid}} = true;
+
+      if ({{=$data}}.length > {{=$i}}) {
+        {{
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+        }}
+
+        {{# def.generateSubschemaCode }}
+        {{# def.optimizeValidate }}
+      }
+
+      {{# def.ifResultValid }}
+    {{?}}
+  {{~}}
+
+  {{? typeof $additionalItems == 'object' && {{# def.nonEmptySchema:$additionalItems }} }}
+    {{
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+    }}
+    {{=$nextValid}} = true;
+
+    if ({{=$data}}.length > {{= $schema.length }}) {
+      {{# def.validateItems: $schema.length }}
+    }
+
+    {{# def.ifResultValid }}
+  {{?}}
+
+{{?? {{# def.nonEmptySchema:$schema }} }}
+  {{ /* 'items' is a single schema */}}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+  {{# def.validateItems: 0 }}
+{{?}}
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/missing.def b/node_modules/ajv/lib/dot/missing.def
new file mode 100644
index 00000000..a73b9f96
--- /dev/null
+++ b/node_modules/ajv/lib/dot/missing.def
@@ -0,0 +1,39 @@
+{{## def.checkMissingProperty:_properties:
+  {{~ _properties:$propertyKey:$i }}
+    {{?$i}} || {{?}}
+    {{
+      var $prop = it.util.getProperty($propertyKey)
+        , $useData = $data + $prop;
+    }}
+    ( ({{# def.noPropertyInData }}) && (missing{{=$lvl}} = {{= it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop) }}) )
+  {{~}}
+#}}
+
+
+{{## def.errorMissingProperty:_error:
+  {{
+    var $propertyPath = 'missing' + $lvl
+      , $missingProperty = '\' + ' + $propertyPath + ' + \'';
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.opts.jsonPointers
+                      ? it.util.getPathExpr($currentErrorPath,  $propertyPath, true)
+                      : $currentErrorPath + ' + ' + $propertyPath;
+    }
+  }}
+  {{# def.error:_error }}
+#}}
+
+
+{{## def.allErrorsMissingProperty:_error:
+  {{
+    var $prop = it.util.getProperty($propertyKey)
+      , $missingProperty = it.util.escapeQuotes($propertyKey)
+      , $useData = $data + $prop;
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+    }
+  }}
+  if ({{# def.noPropertyInData }}) {
+    {{# def.addError:_error }}
+  }
+#}}
diff --git a/node_modules/ajv/lib/dot/multipleOf.jst b/node_modules/ajv/lib/dot/multipleOf.jst
new file mode 100644
index 00000000..6d88a456
--- /dev/null
+++ b/node_modules/ajv/lib/dot/multipleOf.jst
@@ -0,0 +1,22 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+var division{{=$lvl}};
+if ({{?$isData}}
+      {{=$schemaValue}} !== undefined && (
+      typeof {{=$schemaValue}} != 'number' ||
+    {{?}}
+      (division{{=$lvl}} = {{=$data}} / {{=$schemaValue}},
+      {{? it.opts.multipleOfPrecision }}
+        Math.abs(Math.round(division{{=$lvl}}) - division{{=$lvl}}) > 1e-{{=it.opts.multipleOfPrecision}}
+      {{??}}
+        division{{=$lvl}} !== parseInt(division{{=$lvl}})
+      {{?}}
+      )
+    {{?$isData}}  )  {{?}} ) {
+  {{# def.error:'multipleOf' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/not.jst b/node_modules/ajv/lib/dot/not.jst
new file mode 100644
index 00000000..e03185ae
--- /dev/null
+++ b/node_modules/ajv/lib/dot/not.jst
@@ -0,0 +1,43 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{? {{# def.nonEmptySchema:$schema }} }}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  var {{=$errs}} = errors;
+
+  {{# def.setCompositeRule }}
+
+  {{
+    $it.createErrors = false;
+    var $allErrorsOption;
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+  }}
+  {{= it.validate($it) }}
+  {{
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+  }}
+
+  {{# def.resetCompositeRule }}
+
+  if ({{=$nextValid}}) {
+    {{# def.error:'not' }}
+  } else {
+    {{# def.resetErrors }}
+  {{? it.opts.allErrors }} } {{?}}
+{{??}}
+  {{# def.addError:'not' }}
+  {{? $breakOnError}}
+    if (false) {
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/oneOf.jst b/node_modules/ajv/lib/dot/oneOf.jst
new file mode 100644
index 00000000..bcce2c6e
--- /dev/null
+++ b/node_modules/ajv/lib/dot/oneOf.jst
@@ -0,0 +1,54 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $currentBaseId = $it.baseId
+    , $prevValid = 'prevValid' + $lvl
+    , $passingSchemas = 'passingSchemas' + $lvl;
+}}
+
+var {{=$errs}} = errors
+  , {{=$prevValid}} = false
+  , {{=$valid}} = false
+  , {{=$passingSchemas}} = null;
+
+{{# def.setCompositeRule }}
+
+{{~ $schema:$sch:$i }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+  {{??}}
+    var {{=$nextValid}} = true;
+  {{?}}
+
+  {{? $i }}
+    if ({{=$nextValid}} && {{=$prevValid}}) {
+      {{=$valid}} = false;
+      {{=$passingSchemas}} = [{{=$passingSchemas}}, {{=$i}}];
+    } else {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+
+    if ({{=$nextValid}}) {
+      {{=$valid}} = {{=$prevValid}} = true;
+      {{=$passingSchemas}} = {{=$i}};
+    }
+{{~}}
+
+{{# def.resetCompositeRule }}
+
+{{= $closingBraces }}
+
+if (!{{=$valid}}) {
+  {{# def.extraError:'oneOf' }}
+} else {
+  {{# def.resetErrors }}
+{{? it.opts.allErrors }} } {{?}}
diff --git a/node_modules/ajv/lib/dot/pattern.jst b/node_modules/ajv/lib/dot/pattern.jst
new file mode 100644
index 00000000..3a37ef6c
--- /dev/null
+++ b/node_modules/ajv/lib/dot/pattern.jst
@@ -0,0 +1,14 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $regexp = $isData
+                ? '(new RegExp(' + $schemaValue + '))'
+                : it.usePattern($schema);
+}}
+
+if ({{# def.$dataNotType:'string' }} !{{=$regexp}}.test({{=$data}}) ) {
+  {{# def.error:'pattern' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/properties.jst b/node_modules/ajv/lib/dot/properties.jst
new file mode 100644
index 00000000..5cebb9b1
--- /dev/null
+++ b/node_modules/ajv/lib/dot/properties.jst
@@ -0,0 +1,245 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateAdditional:
+  {{ /* additionalProperties is schema */
+    $it.schema = $aProperties;
+    $it.schemaPath = it.schemaPath + '.additionalProperties';
+    $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+    $it.errorPath = it.opts._errorDataPathProperty
+                    ? it.errorPath
+                    : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+    var $passData = $data + '[' + $key + ']';
+    $it.dataPathArr[$dataNxt] = $key;
+  }}
+
+  {{# def.generateSubschemaCode }}
+  {{# def.optimizeValidate }}
+#}}
+
+
+{{
+  var $key = 'key' + $lvl
+    , $idx = 'idx' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $dataProperties = 'dataProperties' + $lvl;
+
+  var $schemaKeys = Object.keys($schema || {}).filter(notProto)
+    , $pProperties = it.schema.patternProperties || {}
+    , $pPropertyKeys = Object.keys($pProperties).filter(notProto)
+    , $aProperties = it.schema.additionalProperties
+    , $someProperties = $schemaKeys.length || $pPropertyKeys.length
+    , $noAdditional = $aProperties === false
+    , $additionalIsSchema = typeof $aProperties == 'object'
+                              && Object.keys($aProperties).length
+    , $removeAdditional = it.opts.removeAdditional
+    , $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional
+    , $ownProperties = it.opts.ownProperties
+    , $currentBaseId = it.baseId;
+
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) {
+    var $requiredHash = it.util.toHash($required);
+  }
+
+  function notProto(p) { return p !== '__proto__'; }
+}}
+
+
+var {{=$errs}} = errors;
+var {{=$nextValid}} = true;
+{{? $ownProperties }}
+  var {{=$dataProperties}} = undefined;
+{{?}}
+
+{{? $checkAdditional }}
+  {{# def.iterateProperties }}
+    {{? $someProperties }}
+      var isAdditional{{=$lvl}} = !(false
+        {{? $schemaKeys.length }}
+          {{? $schemaKeys.length > 8 }}
+            || validate.schema{{=$schemaPath}}.hasOwnProperty({{=$key}})
+          {{??}}
+            {{~ $schemaKeys:$propertyKey }}
+              || {{=$key}} == {{= it.util.toQuotedString($propertyKey) }}
+            {{~}}
+          {{?}}
+        {{?}}
+        {{? $pPropertyKeys.length }}
+          {{~ $pPropertyKeys:$pProperty:$i }}
+            || {{= it.usePattern($pProperty) }}.test({{=$key}})
+          {{~}}
+        {{?}}
+      );
+
+      if (isAdditional{{=$lvl}}) {
+    {{?}}
+    {{? $removeAdditional == 'all' }}
+      delete {{=$data}}[{{=$key}}];
+    {{??}}
+      {{
+        var $currentErrorPath = it.errorPath;
+        var $additionalProperty = '\' + ' + $key + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+        }
+      }}
+      {{? $noAdditional }}
+        {{? $removeAdditional }}
+          delete {{=$data}}[{{=$key}}];
+        {{??}}
+          {{=$nextValid}} = false;
+          {{
+            var $currErrSchemaPath = $errSchemaPath;
+            $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          }}
+          {{# def.error:'additionalProperties' }}
+          {{ $errSchemaPath = $currErrSchemaPath; }}
+          {{? $breakOnError }} break; {{?}}
+        {{?}}
+      {{?? $additionalIsSchema }}
+        {{? $removeAdditional == 'failing' }}
+          var {{=$errs}} = errors;
+          {{# def.setCompositeRule }}
+
+          {{# def.validateAdditional }}
+
+          if (!{{=$nextValid}}) {
+            errors = {{=$errs}};
+            if (validate.errors !== null) {
+              if (errors) validate.errors.length = errors;
+              else validate.errors = null;
+            }
+            delete {{=$data}}[{{=$key}}];
+          }
+
+          {{# def.resetCompositeRule }}
+        {{??}}
+          {{# def.validateAdditional }}
+          {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+        {{?}}
+      {{?}}
+      {{ it.errorPath = $currentErrorPath; }}
+    {{?}}
+    {{? $someProperties }}
+      }
+    {{?}}
+  }
+
+  {{# def.ifResultValid }}
+{{?}}
+
+{{ var $useDefaults = it.opts.useDefaults && !it.compositeRule; }}
+
+{{? $schemaKeys.length }}
+  {{~ $schemaKeys:$propertyKey }}
+    {{ var $sch = $schema[$propertyKey]; }}
+
+    {{? {{# def.nonEmptySchema:$sch}} }}
+      {{
+        var $prop = it.util.getProperty($propertyKey)
+          , $passData = $data + $prop
+          , $hasDefault = $useDefaults && $sch.default !== undefined;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + $prop;
+        $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+        $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+        $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+      }}
+
+      {{# def.generateSubschemaCode }}
+
+      {{? {{# def.willOptimize }} }}
+        {{
+          $code = {{# def._optimizeValidate }};
+          var $useData = $passData;
+        }}
+      {{??}}
+        {{ var $useData = $nextData; }}
+        var {{=$nextData}} = {{=$passData}};
+      {{?}}
+
+      {{? $hasDefault }}
+        {{= $code }}
+      {{??}}
+        {{? $requiredHash && $requiredHash[$propertyKey] }}
+          if ({{# def.noPropertyInData }}) {
+            {{=$nextValid}} = false;
+            {{
+              var $currentErrorPath = it.errorPath
+                , $currErrSchemaPath = $errSchemaPath
+                , $missingProperty = it.util.escapeQuotes($propertyKey);
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+              $errSchemaPath = it.errSchemaPath + '/required';
+            }}
+            {{# def.error:'required' }}
+            {{ $errSchemaPath = $currErrSchemaPath; }}
+            {{ it.errorPath = $currentErrorPath; }}
+          } else {
+        {{??}}
+          {{? $breakOnError }}
+            if ({{# def.noPropertyInData }}) {
+              {{=$nextValid}} = true;
+            } else {
+          {{??}}
+            if ({{=$useData}} !== undefined
+              {{? $ownProperties }}
+                && {{# def.isOwnProperty }}
+              {{?}}
+            ) {
+          {{?}}
+        {{?}}
+
+          {{= $code }}
+        }
+      {{?}}  {{ /* $hasDefault */ }}
+    {{?}} {{ /* def.nonEmptySchema */ }}
+
+    {{# def.ifResultValid }}
+  {{~}}
+{{?}}
+
+{{? $pPropertyKeys.length }}
+  {{~ $pPropertyKeys:$pProperty }}
+    {{ var $sch = $pProperties[$pProperty]; }}
+
+    {{? {{# def.nonEmptySchema:$sch}} }}
+      {{
+        $it.schema = $sch;
+        $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+        $it.errSchemaPath = it.errSchemaPath + '/patternProperties/'
+                                             + it.util.escapeFragment($pProperty);
+      }}
+
+      {{# def.iterateProperties }}
+        if ({{= it.usePattern($pProperty) }}.test({{=$key}})) {
+          {{
+            $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+            var $passData = $data + '[' + $key + ']';
+            $it.dataPathArr[$dataNxt] = $key;
+          }}
+
+          {{# def.generateSubschemaCode }}
+          {{# def.optimizeValidate }}
+
+          {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+        }
+        {{? $breakOnError }} else {{=$nextValid}} = true; {{?}}
+      }
+
+      {{# def.ifResultValid }}
+    {{?}} {{ /* def.nonEmptySchema */ }}
+  {{~}}
+{{?}}
+
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/propertyNames.jst b/node_modules/ajv/lib/dot/propertyNames.jst
new file mode 100644
index 00000000..d456ccaf
--- /dev/null
+++ b/node_modules/ajv/lib/dot/propertyNames.jst
@@ -0,0 +1,52 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+var {{=$errs}} = errors;
+
+{{? {{# def.nonEmptySchema:$schema }} }}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  {{
+    var $key = 'key' + $lvl
+      , $idx = 'idx' + $lvl
+      , $i = 'i' + $lvl
+      , $invalidName = '\' + ' + $key + ' + \''
+      , $dataNxt = $it.dataLevel = it.dataLevel + 1
+      , $nextData = 'data' + $dataNxt
+      , $dataProperties = 'dataProperties' + $lvl
+      , $ownProperties = it.opts.ownProperties
+      , $currentBaseId = it.baseId;
+  }}
+
+  {{? $ownProperties }}
+    var {{=$dataProperties}} = undefined;
+  {{?}}
+  {{# def.iterateProperties }}
+    var startErrs{{=$lvl}} = errors;
+
+    {{ var $passData = $key; }}
+    {{# def.setCompositeRule }}
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+    {{# def.resetCompositeRule }}
+
+    if (!{{=$nextValid}}) {
+      for (var {{=$i}}=startErrs{{=$lvl}}; {{=$i}}<errors; {{=$i}}++) {
+        vErrors[{{=$i}}].propertyName = {{=$key}};
+      }
+      {{# def.extraError:'propertyNames' }}
+      {{? $breakOnError }} break; {{?}}
+    }
+  }
+{{?}}
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/ref.jst b/node_modules/ajv/lib/dot/ref.jst
new file mode 100644
index 00000000..253e3507
--- /dev/null
+++ b/node_modules/ajv/lib/dot/ref.jst
@@ -0,0 +1,85 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{## def._validateRef:_v:
+  {{? it.opts.passContext }}
+    {{=_v}}.call(this,
+  {{??}}
+    {{=_v}}(
+  {{?}}
+    {{=$data}}, {{# def.dataPath }}{{# def.passParentData }}, rootData)
+#}}
+
+{{ var $async, $refCode; }}
+{{? $schema == '#' || $schema == '#/' }}
+  {{
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  }}
+{{??}}
+  {{ var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot); }}
+  {{? $refVal === undefined }}
+    {{ var $message = it.MissingRefError.message(it.baseId, $schema); }}
+    {{? it.opts.missingRefs == 'fail' }}
+      {{ it.logger.error($message); }}
+      {{# def.error:'$ref' }}
+      {{? $breakOnError }} if (false) { {{?}}
+    {{?? it.opts.missingRefs == 'ignore' }}
+      {{ it.logger.warn($message); }}
+      {{? $breakOnError }} if (true) { {{?}}
+    {{??}}
+      {{ throw new it.MissingRefError(it.baseId, $schema, $message); }}
+    {{?}}
+  {{?? $refVal.inline }}
+    {{# def.setupNextLevel }}
+    {{
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+    }}
+    {{ var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code); }}
+    {{= $code }}
+    {{? $breakOnError}}
+      if ({{=$nextValid}}) {
+    {{?}}
+  {{??}}
+    {{
+      $async = $refVal.$async === true || (it.async && $refVal.$async !== false);
+      $refCode = $refVal.code;
+    }}
+  {{?}}
+{{?}}
+
+{{? $refCode }}
+  {{# def.beginDefOut}}
+    {{# def._validateRef:$refCode }}
+  {{# def.storeDefOut:__callValidate }}
+
+  {{? $async }}
+    {{ if (!it.async) throw new Error('async schema referenced by sync schema'); }}
+    {{? $breakOnError }} var {{=$valid}}; {{?}}
+    try {
+      await {{=__callValidate}};
+      {{? $breakOnError }} {{=$valid}} = true; {{?}}
+    } catch (e) {
+      if (!(e instanceof ValidationError)) throw e;
+      if (vErrors === null) vErrors = e.errors;
+      else vErrors = vErrors.concat(e.errors);
+      errors = vErrors.length;
+      {{? $breakOnError }} {{=$valid}} = false; {{?}}
+    }
+    {{? $breakOnError }} if ({{=$valid}}) { {{?}}
+  {{??}}
+    if (!{{=__callValidate}}) {
+      if (vErrors === null) vErrors = {{=$refCode}}.errors;
+      else vErrors = vErrors.concat({{=$refCode}}.errors);
+      errors = vErrors.length;
+    } {{? $breakOnError }} else { {{?}}
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/required.jst b/node_modules/ajv/lib/dot/required.jst
new file mode 100644
index 00000000..80fde35e
--- /dev/null
+++ b/node_modules/ajv/lib/dot/required.jst
@@ -0,0 +1,108 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.missing }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{ var $vSchema = 'schema' + $lvl; }}
+
+{{## def.setupLoop:
+  {{? !$isData }}
+    var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+  {{?}}
+
+  {{
+    var $i = 'i' + $lvl
+      , $propertyPath = 'schema' + $lvl + '[' + $i + ']'
+      , $missingProperty = '\' + ' + $propertyPath + ' + \'';
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+    }
+  }}
+#}}
+
+
+{{## def.isRequiredOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, {{=$vSchema}}[{{=$i}}])
+#}}
+
+
+{{? !$isData }}
+  {{? $schema.length < it.opts.loopRequired &&
+      it.schema.properties && Object.keys(it.schema.properties).length }}
+    {{ var $required = []; }}
+    {{~ $schema:$property }}
+      {{ var $propertySch = it.schema.properties[$property]; }}
+      {{? !($propertySch && {{# def.nonEmptySchema:$propertySch}}) }}
+        {{ $required[$required.length] = $property; }}
+      {{?}}
+    {{~}}
+  {{??}}
+    {{ var $required = $schema; }}
+  {{?}}
+{{?}}
+
+
+{{? $isData || $required.length }}
+  {{
+    var $currentErrorPath = it.errorPath
+      , $loopRequired = $isData || $required.length >= it.opts.loopRequired
+      , $ownProperties = it.opts.ownProperties;
+  }}
+
+  {{? $breakOnError }}
+    var missing{{=$lvl}};
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      var {{=$valid}} = true;
+
+      {{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        {{=$valid}} = {{=$data}}[{{=$vSchema}}[{{=$i}}]] !== undefined
+                      {{? $ownProperties }}
+                        && {{# def.isRequiredOwnProperty }}
+                      {{?}};
+        if (!{{=$valid}}) break;
+      }
+
+      {{? $isData }}  }  {{?}}
+
+      {{# def.checkError:'required' }}
+      else {
+    {{??}}
+      if ({{# def.checkMissingProperty:$required }}) {
+        {{# def.errorMissingProperty:'required' }}
+      } else {
+    {{?}}
+  {{??}}
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      {{? $isData }}
+        if ({{=$vSchema}} && !Array.isArray({{=$vSchema}})) {
+          {{# def.addError:'required' }}
+        } else if ({{=$vSchema}} !== undefined) {
+      {{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        if ({{=$data}}[{{=$vSchema}}[{{=$i}}]] === undefined
+            {{? $ownProperties }}
+              || !{{# def.isRequiredOwnProperty }}
+            {{?}}) {
+          {{# def.addError:'required' }}
+        }
+      }
+
+      {{? $isData }}  }  {{?}}
+    {{??}}
+      {{~ $required:$propertyKey }}
+        {{# def.allErrorsMissingProperty:'required' }}
+      {{~}}
+    {{?}}
+  {{?}}
+
+  {{ it.errorPath = $currentErrorPath; }}
+
+{{?? $breakOnError }}
+  if (true) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/uniqueItems.jst b/node_modules/ajv/lib/dot/uniqueItems.jst
new file mode 100644
index 00000000..e69b8308
--- /dev/null
+++ b/node_modules/ajv/lib/dot/uniqueItems.jst
@@ -0,0 +1,62 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+
+{{? ($schema || $isData) && it.opts.uniqueItems !== false }}
+  {{? $isData }}
+    var {{=$valid}};
+    if ({{=$schemaValue}} === false || {{=$schemaValue}} === undefined)
+      {{=$valid}} = true;
+    else if (typeof {{=$schemaValue}} != 'boolean')
+      {{=$valid}} = false;
+    else {
+  {{?}}
+
+  var i = {{=$data}}.length
+    , {{=$valid}} = true
+    , j;
+  if (i > 1) {
+    {{
+      var $itemType = it.schema.items && it.schema.items.type
+        , $typeIsArray = Array.isArray($itemType);
+    }}
+    {{? !$itemType || $itemType == 'object' || $itemType == 'array' ||
+        ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0)) }}
+      outer:
+      for (;i--;) {
+        for (j = i; j--;) {
+          if (equal({{=$data}}[i], {{=$data}}[j])) {
+            {{=$valid}} = false;
+            break outer;
+          }
+        }
+      }
+    {{??}}
+      var itemIndices = {}, item;
+      for (;i--;) {
+        var item = {{=$data}}[i];
+        {{ var $method = 'checkDataType' + ($typeIsArray ? 's' : ''); }}
+        if ({{= it.util[$method]($itemType, 'item', it.opts.strictNumbers, true) }}) continue;
+        {{? $typeIsArray}}
+          if (typeof item == 'string') item = '"' + item;
+        {{?}}
+        if (typeof itemIndices[item] == 'number') {
+          {{=$valid}} = false;
+          j = itemIndices[item];
+          break;
+        }
+        itemIndices[item] = i;
+      }
+    {{?}}
+  }
+
+  {{? $isData }}  }  {{?}}
+
+  if (!{{=$valid}}) {
+    {{# def.error:'uniqueItems' }}
+  } {{? $breakOnError }} else { {{?}}
+{{??}}
+  {{? $breakOnError }} if (true) { {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/validate.jst b/node_modules/ajv/lib/dot/validate.jst
new file mode 100644
index 00000000..32087e71
--- /dev/null
+++ b/node_modules/ajv/lib/dot/validate.jst
@@ -0,0 +1,276 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.defaults }}
+{{# def.coerce }}
+
+{{ /**
+    * schema compilation (render) time:
+    * it = { schema, RULES, _validate, opts }
+    * it.validate - this template function,
+    *   it is used recursively to generate code for subschemas
+    *
+    * runtime:
+    * "validate" is a variable name to which this function will be assigned
+    * validateRef etc. are defined in the parent scope in index.js
+    */ }}
+
+{{
+  var $async = it.schema.$async === true
+    , $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref')
+    , $id = it.self._getId(it.schema);
+}}
+
+{{
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+}}
+
+{{? it.isTop }}
+  var validate = {{?$async}}{{it.async = true;}}async {{?}}function(data, dataPath, parentData, parentDataProperty, rootData) {
+    'use strict';
+    {{? $id && (it.opts.sourceCode || it.opts.processCode) }}
+      {{= '/\*# sourceURL=' + $id + ' */' }}
+    {{?}}
+{{?}}
+
+{{? typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref) }}
+  {{ var $keyword = 'false schema'; }}
+  {{# def.setupKeyword }}
+  {{? it.schema === false}}
+    {{? it.isTop}}
+      {{ $breakOnError = true; }}
+    {{??}}
+      var {{=$valid}} = false;
+    {{?}}
+    {{# def.error:'false schema' }}
+  {{??}}
+    {{? it.isTop}}
+      {{? $async }}
+        return data;
+      {{??}}
+        validate.errors = null;
+        return true;
+      {{?}}
+    {{??}}
+      var {{=$valid}} = true;
+    {{?}}
+  {{?}}
+
+  {{? it.isTop}}
+    };
+    return validate;
+  {{?}}
+
+  {{ return out; }}
+{{?}}
+
+
+{{? it.isTop }}
+  {{
+    var $top = it.isTop
+      , $lvl = it.level = 0
+      , $dataLvl = it.dataLevel = 0
+      , $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+
+    it.dataPathArr = [""];
+
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
+  }}
+
+  var vErrors = null; {{ /* don't edit, used in replace */ }}
+  var errors = 0;     {{ /* don't edit, used in replace */ }}
+  if (rootData === undefined) rootData = data; {{ /* don't edit, used in replace */ }}
+{{??}}
+  {{
+    var $lvl = it.level
+      , $dataLvl = it.dataLevel
+      , $data = 'data' + ($dataLvl || '');
+
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+  }}
+
+  var errs_{{=$lvl}} = errors;
+{{?}}
+
+{{
+  var $valid = 'valid' + $lvl
+    , $breakOnError = !it.opts.allErrors
+    , $closingBraces1 = ''
+    , $closingBraces2 = '';
+
+  var $errorKeyword;
+  var $typeSchema = it.schema.type
+    , $typeIsArray = Array.isArray($typeSchema);
+
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1)
+        $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+}}
+
+{{## def.checkType:
+  {{
+    var $schemaPath = it.schemaPath + '.type'
+      , $errSchemaPath = it.errSchemaPath + '/type'
+      , $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+  }}
+
+  if ({{= it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true) }}) {
+#}}
+
+{{? it.schema.$ref && $refKeywords }}
+  {{? it.opts.extendRefs == 'fail' }}
+    {{ throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)'); }}
+  {{?? it.opts.extendRefs !== true }}
+    {{
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }}
+  {{?}}
+{{?}}
+
+{{? it.schema.$comment && it.opts.$comment }}
+  {{= it.RULES.all.$comment.code(it, '$comment') }}
+{{?}}
+
+{{? $typeSchema }}
+  {{? it.opts.coerceTypes }}
+    {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
+  {{?}}
+
+  {{ var $rulesGroup = it.RULES.types[$typeSchema]; }}
+  {{? $coerceToTypes || $typeIsArray || $rulesGroup === true ||
+    ($rulesGroup && !$shouldUseGroup($rulesGroup)) }}
+    {{
+      var $schemaPath = it.schemaPath + '.type'
+        , $errSchemaPath = it.errSchemaPath + '/type';
+    }}
+    {{# def.checkType }}
+      {{? $coerceToTypes }}
+        {{# def.coerceType }}
+      {{??}}
+        {{# def.error:'type' }}
+      {{?}}
+    }
+  {{?}}
+{{?}}
+
+
+{{? it.schema.$ref && !$refKeywords }}
+  {{= it.RULES.all.$ref.code(it, '$ref') }}
+  {{? $breakOnError }}
+    }
+    if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
+    {{ $closingBraces2 += '}'; }}
+  {{?}}
+{{??}}
+  {{~ it.RULES:$rulesGroup }}
+    {{? $shouldUseGroup($rulesGroup) }}
+      {{? $rulesGroup.type }}
+        if ({{= it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers) }}) {
+      {{?}}
+        {{? it.opts.useDefaults }}
+          {{? $rulesGroup.type == 'object' && it.schema.properties }}
+            {{# def.defaultProperties }}
+          {{?? $rulesGroup.type == 'array' && Array.isArray(it.schema.items) }}
+            {{# def.defaultItems }}
+          {{?}}
+        {{?}}
+        {{~ $rulesGroup.rules:$rule }}
+          {{? $shouldUseRule($rule) }}
+            {{ var $code = $rule.code(it, $rule.keyword, $rulesGroup.type); }}
+            {{? $code }}
+              {{= $code }}
+              {{? $breakOnError }}
+                {{ $closingBraces1 += '}'; }}
+              {{?}}
+            {{?}}
+          {{?}}
+        {{~}}
+        {{? $breakOnError }}
+          {{= $closingBraces1 }}
+          {{ $closingBraces1 = ''; }}
+        {{?}}
+      {{? $rulesGroup.type }}
+        }
+        {{? $typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes }}
+          else {
+            {{
+              var $schemaPath = it.schemaPath + '.type'
+                , $errSchemaPath = it.errSchemaPath + '/type';
+            }}
+            {{# def.error:'type' }}
+          }
+        {{?}}
+      {{?}}
+
+      {{? $breakOnError }}
+        if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
+        {{ $closingBraces2 += '}'; }}
+      {{?}}
+    {{?}}
+  {{~}}
+{{?}}
+
+{{? $breakOnError }} {{= $closingBraces2 }} {{?}}
+
+{{? $top }}
+    {{? $async }}
+      if (errors === 0) return data;           {{ /* don't edit, used in replace */ }}
+      else throw new ValidationError(vErrors); {{ /* don't edit, used in replace */ }}
+    {{??}}
+      validate.errors = vErrors; {{ /* don't edit, used in replace */ }}
+      return errors === 0;       {{ /* don't edit, used in replace */ }}
+    {{?}}
+  };
+
+  return validate;
+{{??}}
+  var {{=$valid}} = errors === errs_{{=$lvl}};
+{{?}}
+
+{{
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+    for (var i=0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i]))
+        return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined ||
+           ($rule.implements && $ruleImplementsSomeKeyword($rule));
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i=0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined)
+        return true;
+  }
+}}
diff --git a/node_modules/ajv/lib/dotjs/README.md b/node_modules/ajv/lib/dotjs/README.md
new file mode 100644
index 00000000..4d994846
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/README.md
@@ -0,0 +1,3 @@
+These files are compiled dot templates from dot folder.
+
+Do NOT edit them directly, edit the templates and run `npm run build` from main ajv folder.
diff --git a/node_modules/ajv/lib/dotjs/_limit.js b/node_modules/ajv/lib/dotjs/_limit.js
new file mode 100644
index 00000000..05a1979d
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limit.js
@@ -0,0 +1,163 @@
+'use strict';
+module.exports = function generate__limit(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $isMax = $keyword == 'maximum',
+    $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum',
+    $schemaExcl = it.schema[$exclusiveKeyword],
+    $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
+    $op = $isMax ? '<' : '>',
+    $notOp = $isMax ? '>' : '<',
+    $errorKeyword = undefined;
+  if (!($isData || typeof $schema == 'number' || $schema === undefined)) {
+    throw new Error($keyword + ' must be number');
+  }
+  if (!($isDataExcl || $schemaExcl === undefined || typeof $schemaExcl == 'number' || typeof $schemaExcl == 'boolean')) {
+    throw new Error($exclusiveKeyword + ' must be number or boolean');
+  }
+  if ($isDataExcl) {
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
+      $exclusive = 'exclusive' + $lvl,
+      $exclType = 'exclType' + $lvl,
+      $exclIsNumber = 'exclIsNumber' + $lvl,
+      $opExpr = 'op' + $lvl,
+      $opStr = '\' + ' + $opExpr + ' + \'';
+    out += ' var schemaExcl' + ($lvl) + ' = ' + ($schemaValueExcl) + '; ';
+    $schemaValueExcl = 'schemaExcl' + $lvl;
+    out += ' var ' + ($exclusive) + '; var ' + ($exclType) + ' = typeof ' + ($schemaValueExcl) + '; if (' + ($exclType) + ' != \'boolean\' && ' + ($exclType) + ' != \'undefined\' && ' + ($exclType) + ' != \'number\') { ';
+    var $errorKeyword = $exclusiveKeyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || '_exclusiveLimit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'' + ($exclusiveKeyword) + ' should be boolean\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else if ( ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+    }
+    out += ' ' + ($exclType) + ' == \'number\' ? ( (' + ($exclusive) + ' = ' + ($schemaValue) + ' === undefined || ' + ($schemaValueExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ') ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValueExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) : ( (' + ($exclusive) + ' = ' + ($schemaValueExcl) + ' === true) ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValue) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { var op' + ($lvl) + ' = ' + ($exclusive) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\'; ';
+    if ($schema === undefined) {
+      $errorKeyword = $exclusiveKeyword;
+      $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+      $schemaValue = $schemaValueExcl;
+      $isData = $isDataExcl;
+    }
+  } else {
+    var $exclIsNumber = typeof $schemaExcl == 'number',
+      $opStr = $op;
+    if ($exclIsNumber && $isData) {
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ( ' + ($schemaValue) + ' === undefined || ' + ($schemaExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ' ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { ';
+    } else {
+      if ($exclIsNumber && $schema === undefined) {
+        $exclusive = true;
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaExcl;
+        $notOp += '=';
+      } else {
+        if ($exclIsNumber) $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          $exclusive = true;
+          $errorKeyword = $exclusiveKeyword;
+          $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' || ' + ($data) + ' !== ' + ($data) + ') { ';
+    }
+  }
+  $errorKeyword = $errorKeyword || $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { comparison: ' + ($opExpr) + ', limit: ' + ($schemaValue) + ', exclusive: ' + ($exclusive) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be ' + ($opStr) + ' ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitItems.js b/node_modules/ajv/lib/dotjs/_limitItems.js
new file mode 100644
index 00000000..e092a559
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitItems.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate__limitItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxItems' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' ' + ($data) + '.length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxItems') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' items\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitLength.js b/node_modules/ajv/lib/dotjs/_limitLength.js
new file mode 100644
index 00000000..ecbd3fe1
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitLength.js
@@ -0,0 +1,85 @@
+'use strict';
+module.exports = function generate__limitLength(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxLength' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  if (it.opts.unicode === false) {
+    out += ' ' + ($data) + '.length ';
+  } else {
+    out += ' ucs2length(' + ($data) + ') ';
+  }
+  out += ' ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitLength') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT be ';
+      if ($keyword == 'maxLength') {
+        out += 'longer';
+      } else {
+        out += 'shorter';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' characters\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitProperties.js b/node_modules/ajv/lib/dotjs/_limitProperties.js
new file mode 100644
index 00000000..d232755a
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitProperties.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate__limitProperties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxProperties' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' Object.keys(' + ($data) + ').length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxProperties') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' properties\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/allOf.js b/node_modules/ajv/lib/dotjs/allOf.js
new file mode 100644
index 00000000..fb8c2e4b
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/allOf.js
@@ -0,0 +1,42 @@
+'use strict';
+module.exports = function generate_allOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $allSchemasEmpty = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $allSchemasEmpty = false;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    if ($allSchemasEmpty) {
+      out += ' if (true) { ';
+    } else {
+      out += ' ' + ($closingBraces.slice(0, -1)) + ' ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/anyOf.js b/node_modules/ajv/lib/dotjs/anyOf.js
new file mode 100644
index 00000000..0600a9d4
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/anyOf.js
@@ -0,0 +1,73 @@
+'use strict';
+module.exports = function generate_anyOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $noEmptySchema = $schema.every(function($sch) {
+    return (it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all));
+  });
+  if ($noEmptySchema) {
+    var $currentBaseId = $it.baseId;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = false;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        out += ' ' + ($valid) + ' = ' + ($valid) + ' || ' + ($nextValid) + '; if (!' + ($valid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('anyOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match some schema in anyOf\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/comment.js b/node_modules/ajv/lib/dotjs/comment.js
new file mode 100644
index 00000000..dd66bb8f
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/comment.js
@@ -0,0 +1,14 @@
+'use strict';
+module.exports = function generate_comment(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $comment = it.util.toQuotedString($schema);
+  if (it.opts.$comment === true) {
+    out += ' console.log(' + ($comment) + ');';
+  } else if (typeof it.opts.$comment == 'function') {
+    out += ' self._opts.$comment(' + ($comment) + ', ' + (it.util.toQuotedString($errSchemaPath)) + ', validate.root.schema);';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/const.js b/node_modules/ajv/lib/dotjs/const.js
new file mode 100644
index 00000000..15b7c619
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/const.js
@@ -0,0 +1,56 @@
+'use strict';
+module.exports = function generate_const(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!$isData) {
+    out += ' var schema' + ($lvl) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ' = equal(' + ($data) + ', schema' + ($lvl) + '); if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('const') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValue: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to constant\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/contains.js b/node_modules/ajv/lib/dotjs/contains.js
new file mode 100644
index 00000000..7d763009
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/contains.js
@@ -0,0 +1,81 @@
+'use strict';
+module.exports = function generate_contains(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId,
+    $nonEmptySchema = (it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all));
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($nonEmptySchema) {
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($nextValid) + ' = false; for (var ' + ($idx) + ' = 0; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    out += ' if (' + ($nextValid) + ') break; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($nextValid) + ') {';
+  } else {
+    out += ' if (' + ($data) + '.length == 0) {';
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('contains') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should contain a valid item\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } else { ';
+  if ($nonEmptySchema) {
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+  }
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/custom.js b/node_modules/ajv/lib/dotjs/custom.js
new file mode 100644
index 00000000..f3e641e7
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/custom.js
@@ -0,0 +1,228 @@
+'use strict';
+module.exports = function generate_custom(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $rule = this,
+    $definition = 'definition' + $lvl,
+    $rDef = $rule.definition,
+    $closingBraces = '';
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+  if ($isData && $rDef.$data) {
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+    out += ' var ' + ($definition) + ' = RULES.custom[\'' + ($keyword) + '\'].definition; var ' + ($validateCode) + ' = ' + ($definition) + '.validate;';
+  } else {
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }
+  var $ruleErrs = $validateCode + '.errors',
+    $i = 'i' + $lvl,
+    $ruleErr = 'ruleErr' + $lvl,
+    $asyncKeyword = $rDef.async;
+  if ($asyncKeyword && !it.async) throw new Error('async keyword in sync schema');
+  if (!($inline || $macro)) {
+    out += '' + ($ruleErrs) + ' = null;';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($isData && $rDef.$data) {
+    $closingBraces += '}';
+    out += ' if (' + ($schemaValue) + ' === undefined) { ' + ($valid) + ' = true; } else { ';
+    if ($validateSchema) {
+      $closingBraces += '}';
+      out += ' ' + ($valid) + ' = ' + ($definition) + '.validateSchema(' + ($schemaValue) + '); if (' + ($valid) + ') { ';
+    }
+  }
+  if ($inline) {
+    if ($rDef.statements) {
+      out += ' ' + ($ruleValidate.validate) + ' ';
+    } else {
+      out += ' ' + ($valid) + ' = ' + ($ruleValidate.validate) + '; ';
+    }
+  } else if ($macro) {
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it).replace(/validate\.schema/g, $validateCode);
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($code);
+  } else {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    out += '  ' + ($validateCode) + '.call( ';
+    if (it.opts.passContext) {
+      out += 'this';
+    } else {
+      out += 'self';
+    }
+    if ($compile || $rDef.schema === false) {
+      out += ' , ' + ($data) + ' ';
+    } else {
+      out += ' , ' + ($schemaValue) + ' , ' + ($data) + ' , validate.schema' + (it.schemaPath) + ' ';
+    }
+    out += ' , (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ' , rootData )  ';
+    var def_callRuleValidate = out;
+    out = $$outStack.pop();
+    if ($rDef.errors === false) {
+      out += ' ' + ($valid) + ' = ';
+      if ($asyncKeyword) {
+        out += 'await ';
+      }
+      out += '' + (def_callRuleValidate) + '; ';
+    } else {
+      if ($asyncKeyword) {
+        $ruleErrs = 'customErrors' + $lvl;
+        out += ' var ' + ($ruleErrs) + ' = null; try { ' + ($valid) + ' = await ' + (def_callRuleValidate) + '; } catch (e) { ' + ($valid) + ' = false; if (e instanceof ValidationError) ' + ($ruleErrs) + ' = e.errors; else throw e; } ';
+      } else {
+        out += ' ' + ($ruleErrs) + ' = null; ' + ($valid) + ' = ' + (def_callRuleValidate) + '; ';
+      }
+    }
+  }
+  if ($rDef.modifying) {
+    out += ' if (' + ($parentData) + ') ' + ($data) + ' = ' + ($parentData) + '[' + ($parentDataProperty) + '];';
+  }
+  out += '' + ($closingBraces);
+  if ($rDef.valid) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  } else {
+    out += ' if ( ';
+    if ($rDef.valid === undefined) {
+      out += ' !';
+      if ($macro) {
+        out += '' + ($nextValid);
+      } else {
+        out += '' + ($valid);
+      }
+    } else {
+      out += ' ' + (!$rDef.valid) + ' ';
+    }
+    out += ') { ';
+    $errorKeyword = $rule.keyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    var def_customError = out;
+    out = $$outStack.pop();
+    if ($inline) {
+      if ($rDef.errors) {
+        if ($rDef.errors != 'full') {
+          out += '  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } ';
+        }
+      } else {
+        if ($rDef.errors === false) {
+          out += ' ' + (def_customError) + ' ';
+        } else {
+          out += ' if (' + ($errs) + ' == errors) { ' + (def_customError) + ' } else {  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } } ';
+        }
+      }
+    } else if ($macro) {
+      out += '   var err =   '; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError(vErrors); ';
+        } else {
+          out += ' validate.errors = vErrors; return false; ';
+        }
+      }
+    } else {
+      if ($rDef.errors === false) {
+        out += ' ' + (def_customError) + ' ';
+      } else {
+        out += ' if (Array.isArray(' + ($ruleErrs) + ')) { if (vErrors === null) vErrors = ' + ($ruleErrs) + '; else vErrors = vErrors.concat(' + ($ruleErrs) + '); errors = vErrors.length;  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + ';  ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '";  ';
+        if (it.opts.verbose) {
+          out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+        }
+        out += ' } } else { ' + (def_customError) + ' } ';
+      }
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/dependencies.js b/node_modules/ajv/lib/dotjs/dependencies.js
new file mode 100644
index 00000000..e4829497
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/dependencies.js
@@ -0,0 +1,168 @@
+'use strict';
+module.exports = function generate_dependencies(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $schemaDeps = {},
+    $propertyDeps = {},
+    $ownProperties = it.opts.ownProperties;
+  for ($property in $schema) {
+    if ($property == '__proto__') continue;
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+  out += 'var ' + ($errs) + ' = errors;';
+  var $currentErrorPath = it.errorPath;
+  out += 'var missing' + ($lvl) + ';';
+  for (var $property in $propertyDeps) {
+    $deps = $propertyDeps[$property];
+    if ($deps.length) {
+      out += ' if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      if ($breakOnError) {
+        out += ' && ( ';
+        var arr1 = $deps;
+        if (arr1) {
+          var $propertyKey, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $propertyKey = arr1[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ')) {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should have ';
+            if ($deps.length == 1) {
+              out += 'property ' + (it.util.escapeQuotes($deps[0]));
+            } else {
+              out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+            }
+            out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      } else {
+        out += ' ) { ';
+        var arr2 = $deps;
+        if (arr2) {
+          var $propertyKey, i2 = -1,
+            l2 = arr2.length - 1;
+          while (i2 < l2) {
+            $propertyKey = arr2[i2 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should have ';
+                if ($deps.length == 1) {
+                  out += 'property ' + (it.util.escapeQuotes($deps[0]));
+                } else {
+                  out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+                }
+                out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+      out += ' }   ';
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+  }
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+  for (var $property in $schemaDeps) {
+    var $sch = $schemaDeps[$property];
+    if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+      out += ' ' + ($nextValid) + ' = true; if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      out += ') { ';
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + it.util.getProperty($property);
+      $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += '   ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/enum.js b/node_modules/ajv/lib/dotjs/enum.js
new file mode 100644
index 00000000..90580b9f
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/enum.js
@@ -0,0 +1,66 @@
+'use strict';
+module.exports = function generate_enum(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $i = 'i' + $lvl,
+    $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ';';
+  if ($isData) {
+    out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+  }
+  out += '' + ($valid) + ' = false;for (var ' + ($i) + '=0; ' + ($i) + '<' + ($vSchema) + '.length; ' + ($i) + '++) if (equal(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + '])) { ' + ($valid) + ' = true; break; }';
+  if ($isData) {
+    out += '  }  ';
+  }
+  out += ' if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('enum') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValues: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to one of the allowed values\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/format.js b/node_modules/ajv/lib/dotjs/format.js
new file mode 100644
index 00000000..cd9a5693
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/format.js
@@ -0,0 +1,150 @@
+'use strict';
+module.exports = function generate_format(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  if (it.opts.format === false) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+    return out;
+  }
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $unknownFormats = it.opts.unknownFormats,
+    $allowUnknown = Array.isArray($unknownFormats);
+  if ($isData) {
+    var $format = 'format' + $lvl,
+      $isObject = 'isObject' + $lvl,
+      $formatType = 'formatType' + $lvl;
+    out += ' var ' + ($format) + ' = formats[' + ($schemaValue) + ']; var ' + ($isObject) + ' = typeof ' + ($format) + ' == \'object\' && !(' + ($format) + ' instanceof RegExp) && ' + ($format) + '.validate; var ' + ($formatType) + ' = ' + ($isObject) + ' && ' + ($format) + '.type || \'string\'; if (' + ($isObject) + ') { ';
+    if (it.async) {
+      out += ' var async' + ($lvl) + ' = ' + ($format) + '.async; ';
+    }
+    out += ' ' + ($format) + ' = ' + ($format) + '.validate; } if (  ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+    }
+    out += ' (';
+    if ($unknownFormats != 'ignore') {
+      out += ' (' + ($schemaValue) + ' && !' + ($format) + ' ';
+      if ($allowUnknown) {
+        out += ' && self._opts.unknownFormats.indexOf(' + ($schemaValue) + ') == -1 ';
+      }
+      out += ') || ';
+    }
+    out += ' (' + ($format) + ' && ' + ($formatType) + ' == \'' + ($ruleType) + '\' && !(typeof ' + ($format) + ' == \'function\' ? ';
+    if (it.async) {
+      out += ' (async' + ($lvl) + ' ? await ' + ($format) + '(' + ($data) + ') : ' + ($format) + '(' + ($data) + ')) ';
+    } else {
+      out += ' ' + ($format) + '(' + ($data) + ') ';
+    }
+    out += ' : ' + ($format) + '.test(' + ($data) + '))))) {';
+  } else {
+    var $format = it.formats[$schema];
+    if (!$format) {
+      if ($unknownFormats == 'ignore') {
+        it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"');
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else if ($allowUnknown && $unknownFormats.indexOf($schema) >= 0) {
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else {
+        throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"');
+      }
+    }
+    var $isObject = typeof $format == 'object' && !($format instanceof RegExp) && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+    if ($formatType != $ruleType) {
+      if ($breakOnError) {
+        out += ' if (true) { ';
+      }
+      return out;
+    }
+    if ($async) {
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+      out += ' if (!(await ' + ($formatRef) + '(' + ($data) + '))) { ';
+    } else {
+      out += ' if (! ';
+      var $formatRef = 'formats' + it.util.getProperty($schema);
+      if ($isObject) $formatRef += '.validate';
+      if (typeof $format == 'function') {
+        out += ' ' + ($formatRef) + '(' + ($data) + ') ';
+      } else {
+        out += ' ' + ($formatRef) + '.test(' + ($data) + ') ';
+      }
+      out += ') { ';
+    }
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('format') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { format:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match format "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/if.js b/node_modules/ajv/lib/dotjs/if.js
new file mode 100644
index 00000000..94d27ad8
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/if.js
@@ -0,0 +1,103 @@
+'use strict';
+module.exports = function generate_if(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $thenSch = it.schema['then'],
+    $elseSch = it.schema['else'],
+    $thenPresent = $thenSch !== undefined && (it.opts.strictKeywords ? (typeof $thenSch == 'object' && Object.keys($thenSch).length > 0) || $thenSch === false : it.util.schemaHasRules($thenSch, it.RULES.all)),
+    $elsePresent = $elseSch !== undefined && (it.opts.strictKeywords ? (typeof $elseSch == 'object' && Object.keys($elseSch).length > 0) || $elseSch === false : it.util.schemaHasRules($elseSch, it.RULES.all)),
+    $currentBaseId = $it.baseId;
+  if ($thenPresent || $elsePresent) {
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = true;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    out += '  ' + (it.validate($it)) + ' ';
+    $it.baseId = $currentBaseId;
+    $it.createErrors = true;
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    if ($thenPresent) {
+      out += ' if (' + ($nextValid) + ') {  ';
+      $it.schema = it.schema['then'];
+      $it.schemaPath = it.schemaPath + '.then';
+      $it.errSchemaPath = it.errSchemaPath + '/then';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'then\'; ';
+      } else {
+        $ifClause = '\'then\'';
+      }
+      out += ' } ';
+      if ($elsePresent) {
+        out += ' else { ';
+      }
+    } else {
+      out += ' if (!' + ($nextValid) + ') { ';
+    }
+    if ($elsePresent) {
+      $it.schema = it.schema['else'];
+      $it.schemaPath = it.schemaPath + '.else';
+      $it.errSchemaPath = it.errSchemaPath + '/else';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'else\'; ';
+      } else {
+        $ifClause = '\'else\'';
+      }
+      out += ' } ';
+    }
+    out += ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('if') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { failingKeyword: ' + ($ifClause) + ' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match "\' + ' + ($ifClause) + ' + \'" schema\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' }   ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/index.js b/node_modules/ajv/lib/dotjs/index.js
new file mode 100644
index 00000000..2fb1b00e
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+//all requires must be explicit because browserify won't work with dynamic requires
+module.exports = {
+  '$ref': require('./ref'),
+  allOf: require('./allOf'),
+  anyOf: require('./anyOf'),
+  '$comment': require('./comment'),
+  const: require('./const'),
+  contains: require('./contains'),
+  dependencies: require('./dependencies'),
+  'enum': require('./enum'),
+  format: require('./format'),
+  'if': require('./if'),
+  items: require('./items'),
+  maximum: require('./_limit'),
+  minimum: require('./_limit'),
+  maxItems: require('./_limitItems'),
+  minItems: require('./_limitItems'),
+  maxLength: require('./_limitLength'),
+  minLength: require('./_limitLength'),
+  maxProperties: require('./_limitProperties'),
+  minProperties: require('./_limitProperties'),
+  multipleOf: require('./multipleOf'),
+  not: require('./not'),
+  oneOf: require('./oneOf'),
+  pattern: require('./pattern'),
+  properties: require('./properties'),
+  propertyNames: require('./propertyNames'),
+  required: require('./required'),
+  uniqueItems: require('./uniqueItems'),
+  validate: require('./validate')
+};
diff --git a/node_modules/ajv/lib/dotjs/items.js b/node_modules/ajv/lib/dotjs/items.js
new file mode 100644
index 00000000..bee5d67d
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/items.js
@@ -0,0 +1,140 @@
+'use strict';
+module.exports = function generate_items(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId;
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if (Array.isArray($schema)) {
+    var $additionalItems = it.schema.additionalItems;
+    if ($additionalItems === false) {
+      out += ' ' + ($valid) + ' = ' + ($data) + '.length <= ' + ($schema.length) + '; ';
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += '  if (!' + ($valid) + ') {   ';
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ('additionalItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schema.length) + ' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should NOT have more than ' + ($schema.length) + ' items\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+      out += ' } ';
+      $errSchemaPath = $currErrSchemaPath;
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($i) + ') { ';
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+    if (typeof $additionalItems == 'object' && (it.opts.strictKeywords ? (typeof $additionalItems == 'object' && Object.keys($additionalItems).length > 0) || $additionalItems === false : it.util.schemaHasRules($additionalItems, it.RULES.all))) {
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($schema.length) + ') {  for (var ' + ($idx) + ' = ' + ($schema.length) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+      var $code = it.validate($it);
+      $it.baseId = $currentBaseId;
+      if (it.util.varOccurences($code, $nextData) < 2) {
+        out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+      } else {
+        out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+      }
+      if ($breakOnError) {
+        out += ' if (!' + ($nextValid) + ') break; ';
+      }
+      out += ' } }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  } else if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += '  for (var ' + ($idx) + ' = ' + (0) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    if ($breakOnError) {
+      out += ' if (!' + ($nextValid) + ') break; ';
+    }
+    out += ' }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/multipleOf.js b/node_modules/ajv/lib/dotjs/multipleOf.js
new file mode 100644
index 00000000..9d6401b8
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/multipleOf.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate_multipleOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  out += 'var division' + ($lvl) + ';if (';
+  if ($isData) {
+    out += ' ' + ($schemaValue) + ' !== undefined && ( typeof ' + ($schemaValue) + ' != \'number\' || ';
+  }
+  out += ' (division' + ($lvl) + ' = ' + ($data) + ' / ' + ($schemaValue) + ', ';
+  if (it.opts.multipleOfPrecision) {
+    out += ' Math.abs(Math.round(division' + ($lvl) + ') - division' + ($lvl) + ') > 1e-' + (it.opts.multipleOfPrecision) + ' ';
+  } else {
+    out += ' division' + ($lvl) + ' !== parseInt(division' + ($lvl) + ') ';
+  }
+  out += ' ) ';
+  if ($isData) {
+    out += '  )  ';
+  }
+  out += ' ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('multipleOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { multipleOf: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be multiple of ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/not.js b/node_modules/ajv/lib/dotjs/not.js
new file mode 100644
index 00000000..f50c9378
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/not.js
@@ -0,0 +1,84 @@
+'use strict';
+module.exports = function generate_not(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.createErrors = false;
+    var $allErrorsOption;
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+    out += ' ' + (it.validate($it)) + ' ';
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (' + ($nextValid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    out += '  var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if ($breakOnError) {
+      out += ' if (false) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/oneOf.js b/node_modules/ajv/lib/dotjs/oneOf.js
new file mode 100644
index 00000000..dfe2fd55
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/oneOf.js
@@ -0,0 +1,73 @@
+'use strict';
+module.exports = function generate_oneOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $prevValid = 'prevValid' + $lvl,
+    $passingSchemas = 'passingSchemas' + $lvl;
+  out += 'var ' + ($errs) + ' = errors , ' + ($prevValid) + ' = false , ' + ($valid) + ' = false , ' + ($passingSchemas) + ' = null; ';
+  var $wasComposite = it.compositeRule;
+  it.compositeRule = $it.compositeRule = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+      } else {
+        out += ' var ' + ($nextValid) + ' = true; ';
+      }
+      if ($i) {
+        out += ' if (' + ($nextValid) + ' && ' + ($prevValid) + ') { ' + ($valid) + ' = false; ' + ($passingSchemas) + ' = [' + ($passingSchemas) + ', ' + ($i) + ']; } else { ';
+        $closingBraces += '}';
+      }
+      out += ' if (' + ($nextValid) + ') { ' + ($valid) + ' = ' + ($prevValid) + ' = true; ' + ($passingSchemas) + ' = ' + ($i) + '; }';
+    }
+  }
+  it.compositeRule = $it.compositeRule = $wasComposite;
+  out += '' + ($closingBraces) + 'if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('oneOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { passingSchemas: ' + ($passingSchemas) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match exactly one schema in oneOf\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; return false; ';
+    }
+  }
+  out += '} else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }';
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/pattern.js b/node_modules/ajv/lib/dotjs/pattern.js
new file mode 100644
index 00000000..1d74d6b0
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/pattern.js
@@ -0,0 +1,75 @@
+'use strict';
+module.exports = function generate_pattern(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $regexp = $isData ? '(new RegExp(' + $schemaValue + '))' : it.usePattern($schema);
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+  }
+  out += ' !' + ($regexp) + '.test(' + ($data) + ') ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('pattern') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { pattern:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match pattern "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/properties.js b/node_modules/ajv/lib/dotjs/properties.js
new file mode 100644
index 00000000..bc5ee554
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/properties.js
@@ -0,0 +1,335 @@
+'use strict';
+module.exports = function generate_properties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $key = 'key' + $lvl,
+    $idx = 'idx' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $dataProperties = 'dataProperties' + $lvl;
+  var $schemaKeys = Object.keys($schema || {}).filter(notProto),
+    $pProperties = it.schema.patternProperties || {},
+    $pPropertyKeys = Object.keys($pProperties).filter(notProto),
+    $aProperties = it.schema.additionalProperties,
+    $someProperties = $schemaKeys.length || $pPropertyKeys.length,
+    $noAdditional = $aProperties === false,
+    $additionalIsSchema = typeof $aProperties == 'object' && Object.keys($aProperties).length,
+    $removeAdditional = it.opts.removeAdditional,
+    $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional,
+    $ownProperties = it.opts.ownProperties,
+    $currentBaseId = it.baseId;
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) {
+    var $requiredHash = it.util.toHash($required);
+  }
+
+  function notProto(p) {
+    return p !== '__proto__';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($nextValid) + ' = true;';
+  if ($ownProperties) {
+    out += ' var ' + ($dataProperties) + ' = undefined;';
+  }
+  if ($checkAdditional) {
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    if ($someProperties) {
+      out += ' var isAdditional' + ($lvl) + ' = !(false ';
+      if ($schemaKeys.length) {
+        if ($schemaKeys.length > 8) {
+          out += ' || validate.schema' + ($schemaPath) + '.hasOwnProperty(' + ($key) + ') ';
+        } else {
+          var arr1 = $schemaKeys;
+          if (arr1) {
+            var $propertyKey, i1 = -1,
+              l1 = arr1.length - 1;
+            while (i1 < l1) {
+              $propertyKey = arr1[i1 += 1];
+              out += ' || ' + ($key) + ' == ' + (it.util.toQuotedString($propertyKey)) + ' ';
+            }
+          }
+        }
+      }
+      if ($pPropertyKeys.length) {
+        var arr2 = $pPropertyKeys;
+        if (arr2) {
+          var $pProperty, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $pProperty = arr2[$i += 1];
+            out += ' || ' + (it.usePattern($pProperty)) + '.test(' + ($key) + ') ';
+          }
+        }
+      }
+      out += ' ); if (isAdditional' + ($lvl) + ') { ';
+    }
+    if ($removeAdditional == 'all') {
+      out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+    } else {
+      var $currentErrorPath = it.errorPath;
+      var $additionalProperty = '\' + ' + $key + ' + \'';
+      if (it.opts._errorDataPathProperty) {
+        it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+      }
+      if ($noAdditional) {
+        if ($removeAdditional) {
+          out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+        } else {
+          out += ' ' + ($nextValid) + ' = false; ';
+          var $currErrSchemaPath = $errSchemaPath;
+          $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          var $$outStack = $$outStack || [];
+          $$outStack.push(out);
+          out = ''; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('additionalProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { additionalProperty: \'' + ($additionalProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is an invalid additional property';
+              } else {
+                out += 'should NOT have additional properties';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          var __err = out;
+          out = $$outStack.pop();
+          if (!it.compositeRule && $breakOnError) {
+            /* istanbul ignore if */
+            if (it.async) {
+              out += ' throw new ValidationError([' + (__err) + ']); ';
+            } else {
+              out += ' validate.errors = [' + (__err) + ']; return false; ';
+            }
+          } else {
+            out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+          }
+          $errSchemaPath = $currErrSchemaPath;
+          if ($breakOnError) {
+            out += ' break; ';
+          }
+        }
+      } else if ($additionalIsSchema) {
+        if ($removeAdditional == 'failing') {
+          out += ' var ' + ($errs) + ' = errors;  ';
+          var $wasComposite = it.compositeRule;
+          it.compositeRule = $it.compositeRule = true;
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' if (!' + ($nextValid) + ') { errors = ' + ($errs) + '; if (validate.errors !== null) { if (errors) validate.errors.length = errors; else validate.errors = null; } delete ' + ($data) + '[' + ($key) + ']; }  ';
+          it.compositeRule = $it.compositeRule = $wasComposite;
+        } else {
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+        }
+      }
+      it.errorPath = $currentErrorPath;
+    }
+    if ($someProperties) {
+      out += ' } ';
+    }
+    out += ' }  ';
+    if ($breakOnError) {
+      out += ' if (' + ($nextValid) + ') { ';
+      $closingBraces += '}';
+    }
+  }
+  var $useDefaults = it.opts.useDefaults && !it.compositeRule;
+  if ($schemaKeys.length) {
+    var arr3 = $schemaKeys;
+    if (arr3) {
+      var $propertyKey, i3 = -1,
+        l3 = arr3.length - 1;
+      while (i3 < l3) {
+        $propertyKey = arr3[i3 += 1];
+        var $sch = $schema[$propertyKey];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          var $prop = it.util.getProperty($propertyKey),
+            $passData = $data + $prop,
+            $hasDefault = $useDefaults && $sch.default !== undefined;
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + $prop;
+          $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+          $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+          $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            $code = it.util.varReplace($code, $nextData, $passData);
+            var $useData = $passData;
+          } else {
+            var $useData = $nextData;
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ';
+          }
+          if ($hasDefault) {
+            out += ' ' + ($code) + ' ';
+          } else {
+            if ($requiredHash && $requiredHash[$propertyKey]) {
+              out += ' if ( ' + ($useData) + ' === undefined ';
+              if ($ownProperties) {
+                out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+              }
+              out += ') { ' + ($nextValid) + ' = false; ';
+              var $currentErrorPath = it.errorPath,
+                $currErrSchemaPath = $errSchemaPath,
+                $missingProperty = it.util.escapeQuotes($propertyKey);
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+              $errSchemaPath = it.errSchemaPath + '/required';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'';
+                  if (it.opts._errorDataPathProperty) {
+                    out += 'is a required property';
+                  } else {
+                    out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              $errSchemaPath = $currErrSchemaPath;
+              it.errorPath = $currentErrorPath;
+              out += ' } else { ';
+            } else {
+              if ($breakOnError) {
+                out += ' if ( ' + ($useData) + ' === undefined ';
+                if ($ownProperties) {
+                  out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ') { ' + ($nextValid) + ' = true; } else { ';
+              } else {
+                out += ' if (' + ($useData) + ' !== undefined ';
+                if ($ownProperties) {
+                  out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ' ) { ';
+              }
+            }
+            out += ' ' + ($code) + ' } ';
+          }
+        }
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($pPropertyKeys.length) {
+    var arr4 = $pPropertyKeys;
+    if (arr4) {
+      var $pProperty, i4 = -1,
+        l4 = arr4.length - 1;
+      while (i4 < l4) {
+        $pProperty = arr4[i4 += 1];
+        var $sch = $pProperties[$pProperty];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          $it.schema = $sch;
+          $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+          $it.errSchemaPath = it.errSchemaPath + '/patternProperties/' + it.util.escapeFragment($pProperty);
+          if ($ownProperties) {
+            out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+          } else {
+            out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+          }
+          out += ' if (' + (it.usePattern($pProperty)) + '.test(' + ($key) + ')) { ';
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+          out += ' } ';
+          if ($breakOnError) {
+            out += ' else ' + ($nextValid) + ' = true; ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/propertyNames.js b/node_modules/ajv/lib/dotjs/propertyNames.js
new file mode 100644
index 00000000..2a54a08f
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/propertyNames.js
@@ -0,0 +1,81 @@
+'use strict';
+module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  out += 'var ' + ($errs) + ' = errors;';
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    var $key = 'key' + $lvl,
+      $idx = 'idx' + $lvl,
+      $i = 'i' + $lvl,
+      $invalidName = '\' + ' + $key + ' + \'',
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $dataProperties = 'dataProperties' + $lvl,
+      $ownProperties = it.opts.ownProperties,
+      $currentBaseId = it.baseId;
+    if ($ownProperties) {
+      out += ' var ' + ($dataProperties) + ' = undefined; ';
+    }
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    out += ' var startErrs' + ($lvl) + ' = errors; ';
+    var $passData = $key;
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (!' + ($nextValid) + ') { for (var ' + ($i) + '=startErrs' + ($lvl) + '; ' + ($i) + '<errors; ' + ($i) + '++) { vErrors[' + ($i) + '].propertyName = ' + ($key) + '; }   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('propertyNames') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { propertyName: \'' + ($invalidName) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'property name \\\'' + ($invalidName) + '\\\' is invalid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    if ($breakOnError) {
+      out += ' break; ';
+    }
+    out += ' } }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/ref.js b/node_modules/ajv/lib/dotjs/ref.js
new file mode 100644
index 00000000..8042a478
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/ref.js
@@ -0,0 +1,124 @@
+'use strict';
+module.exports = function generate_ref(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $async, $refCode;
+  if ($schema == '#' || $schema == '#/') {
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  } else {
+    var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot);
+    if ($refVal === undefined) {
+      var $message = it.MissingRefError.message(it.baseId, $schema);
+      if (it.opts.missingRefs == 'fail') {
+        it.logger.error($message);
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('$ref') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { ref: \'' + (it.util.escapeQuotes($schema)) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'can\\\'t resolve reference ' + (it.util.escapeQuotes($schema)) + '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: ' + (it.util.toQuotedString($schema)) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        if ($breakOnError) {
+          out += ' if (false) { ';
+        }
+      } else if (it.opts.missingRefs == 'ignore') {
+        it.logger.warn($message);
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+      } else {
+        throw new it.MissingRefError(it.baseId, $schema, $message);
+      }
+    } else if ($refVal.inline) {
+      var $it = it.util.copy(it);
+      $it.level++;
+      var $nextValid = 'valid' + $it.level;
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+      var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code);
+      out += ' ' + ($code) + ' ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+      }
+    } else {
+      $async = $refVal.$async === true || (it.async && $refVal.$async !== false);
+      $refCode = $refVal.code;
+    }
+  }
+  if ($refCode) {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    if (it.opts.passContext) {
+      out += ' ' + ($refCode) + '.call(this, ';
+    } else {
+      out += ' ' + ($refCode) + '( ';
+    }
+    out += ' ' + ($data) + ', (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ', rootData)  ';
+    var __callValidate = out;
+    out = $$outStack.pop();
+    if ($async) {
+      if (!it.async) throw new Error('async schema referenced by sync schema');
+      if ($breakOnError) {
+        out += ' var ' + ($valid) + '; ';
+      }
+      out += ' try { await ' + (__callValidate) + '; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = true; ';
+      }
+      out += ' } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = false; ';
+      }
+      out += ' } ';
+      if ($breakOnError) {
+        out += ' if (' + ($valid) + ') { ';
+      }
+    } else {
+      out += ' if (!' + (__callValidate) + ') { if (vErrors === null) vErrors = ' + ($refCode) + '.errors; else vErrors = vErrors.concat(' + ($refCode) + '.errors); errors = vErrors.length; } ';
+      if ($breakOnError) {
+        out += ' else { ';
+      }
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/required.js b/node_modules/ajv/lib/dotjs/required.js
new file mode 100644
index 00000000..14873eee
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/required.js
@@ -0,0 +1,270 @@
+'use strict';
+module.exports = function generate_required(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
+      var $required = [];
+      var arr1 = $schema;
+      if (arr1) {
+        var $property, i1 = -1,
+          l1 = arr1.length - 1;
+        while (i1 < l1) {
+          $property = arr1[i1 += 1];
+          var $propertySch = it.schema.properties[$property];
+          if (!($propertySch && (it.opts.strictKeywords ? (typeof $propertySch == 'object' && Object.keys($propertySch).length > 0) || $propertySch === false : it.util.schemaHasRules($propertySch, it.RULES.all)))) {
+            $required[$required.length] = $property;
+          }
+        }
+      }
+    } else {
+      var $required = $schema;
+    }
+  }
+  if ($isData || $required.length) {
+    var $currentErrorPath = it.errorPath,
+      $loopRequired = $isData || $required.length >= it.opts.loopRequired,
+      $ownProperties = it.opts.ownProperties;
+    if ($breakOnError) {
+      out += ' var missing' + ($lvl) + '; ';
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        out += ' var ' + ($valid) + ' = true; ';
+        if ($isData) {
+          out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { ' + ($valid) + ' = ' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] !== undefined ';
+        if ($ownProperties) {
+          out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += '; if (!' + ($valid) + ') break; } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+        out += '  if (!' + ($valid) + ') {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      } else {
+        out += ' if ( ';
+        var arr2 = $required;
+        if (arr2) {
+          var $propertyKey, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $propertyKey = arr2[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ') {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      }
+    } else {
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        if ($isData) {
+          out += ' if (' + ($vSchema) + ' && !Array.isArray(' + ($vSchema) + ')) {  var err =   '; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is a required property';
+              } else {
+                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if (' + ($vSchema) + ' !== undefined) { ';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { if (' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] === undefined ';
+        if ($ownProperties) {
+          out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += ') {  var err =   '; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+      } else {
+        var arr3 = $required;
+        if (arr3) {
+          var $propertyKey, i3 = -1,
+            l3 = arr3.length - 1;
+          while (i3 < l3) {
+            $propertyKey = arr3[i3 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'';
+                if (it.opts._errorDataPathProperty) {
+                  out += 'is a required property';
+                } else {
+                  out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                }
+                out += '\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+    }
+    it.errorPath = $currentErrorPath;
+  } else if ($breakOnError) {
+    out += ' if (true) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/uniqueItems.js b/node_modules/ajv/lib/dotjs/uniqueItems.js
new file mode 100644
index 00000000..0736a0ed
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/uniqueItems.js
@@ -0,0 +1,86 @@
+'use strict';
+module.exports = function generate_uniqueItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (($schema || $isData) && it.opts.uniqueItems !== false) {
+    if ($isData) {
+      out += ' var ' + ($valid) + '; if (' + ($schemaValue) + ' === false || ' + ($schemaValue) + ' === undefined) ' + ($valid) + ' = true; else if (typeof ' + ($schemaValue) + ' != \'boolean\') ' + ($valid) + ' = false; else { ';
+    }
+    out += ' var i = ' + ($data) + '.length , ' + ($valid) + ' = true , j; if (i > 1) { ';
+    var $itemType = it.schema.items && it.schema.items.type,
+      $typeIsArray = Array.isArray($itemType);
+    if (!$itemType || $itemType == 'object' || $itemType == 'array' || ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0))) {
+      out += ' outer: for (;i--;) { for (j = i; j--;) { if (equal(' + ($data) + '[i], ' + ($data) + '[j])) { ' + ($valid) + ' = false; break outer; } } } ';
+    } else {
+      out += ' var itemIndices = {}, item; for (;i--;) { var item = ' + ($data) + '[i]; ';
+      var $method = 'checkDataType' + ($typeIsArray ? 's' : '');
+      out += ' if (' + (it.util[$method]($itemType, 'item', it.opts.strictNumbers, true)) + ') continue; ';
+      if ($typeIsArray) {
+        out += ' if (typeof item == \'string\') item = \'"\' + item; ';
+      }
+      out += ' if (typeof itemIndices[item] == \'number\') { ' + ($valid) + ' = false; j = itemIndices[item]; break; } itemIndices[item] = i; } ';
+    }
+    out += ' } ';
+    if ($isData) {
+      out += '  }  ';
+    }
+    out += ' if (!' + ($valid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('uniqueItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { i: i, j: j } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT have duplicate items (items ## \' + j + \' and \' + i + \' are identical)\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema:  ';
+        if ($isData) {
+          out += 'validate.schema' + ($schemaPath);
+        } else {
+          out += '' + ($schema);
+        }
+        out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/validate.js b/node_modules/ajv/lib/dotjs/validate.js
new file mode 100644
index 00000000..f295824b
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/validate.js
@@ -0,0 +1,482 @@
+'use strict';
+module.exports = function generate_validate(it, $keyword, $ruleType) {
+  var out = '';
+  var $async = it.schema.$async === true,
+    $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
+    $id = it.self._getId(it.schema);
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+  if (it.isTop) {
+    out += ' var validate = ';
+    if ($async) {
+      it.async = true;
+      out += 'async ';
+    }
+    out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
+    if ($id && (it.opts.sourceCode || it.opts.processCode)) {
+      out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
+    }
+  }
+  if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
+    var $keyword = 'false schema';
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+    if (it.schema === false) {
+      if (it.isTop) {
+        $breakOnError = true;
+      } else {
+        out += ' var ' + ($valid) + ' = false; ';
+      }
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'boolean schema is false\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+    } else {
+      if (it.isTop) {
+        if ($async) {
+          out += ' return data; ';
+        } else {
+          out += ' validate.errors = null; return true; ';
+        }
+      } else {
+        out += ' var ' + ($valid) + ' = true; ';
+      }
+    }
+    if (it.isTop) {
+      out += ' }; return validate; ';
+    }
+    return out;
+  }
+  if (it.isTop) {
+    var $top = it.isTop,
+      $lvl = it.level = 0,
+      $dataLvl = it.dataLevel = 0,
+      $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+    it.dataPathArr = [""];
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
+    out += ' var vErrors = null; ';
+    out += ' var errors = 0;     ';
+    out += ' if (rootData === undefined) rootData = data; ';
+  } else {
+    var $lvl = it.level,
+      $dataLvl = it.dataLevel,
+      $data = 'data' + ($dataLvl || '');
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+    out += ' var errs_' + ($lvl) + ' = errors;';
+  }
+  var $valid = 'valid' + $lvl,
+    $breakOnError = !it.opts.allErrors,
+    $closingBraces1 = '',
+    $closingBraces2 = '';
+  var $errorKeyword;
+  var $typeSchema = it.schema.type,
+    $typeIsArray = Array.isArray($typeSchema);
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+  if (it.schema.$ref && $refKeywords) {
+    if (it.opts.extendRefs == 'fail') {
+      throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
+    } else if (it.opts.extendRefs !== true) {
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }
+  }
+  if (it.schema.$comment && it.opts.$comment) {
+    out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
+  }
+  if ($typeSchema) {
+    if (it.opts.coerceTypes) {
+      var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
+    }
+    var $rulesGroup = it.RULES.types[$typeSchema];
+    if ($coerceToTypes || $typeIsArray || $rulesGroup === true || ($rulesGroup && !$shouldUseGroup($rulesGroup))) {
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type';
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type',
+        $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+      out += ' if (' + (it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true)) + ') { ';
+      if ($coerceToTypes) {
+        var $dataType = 'dataType' + $lvl,
+          $coerced = 'coerced' + $lvl;
+        out += ' var ' + ($dataType) + ' = typeof ' + ($data) + '; var ' + ($coerced) + ' = undefined; ';
+        if (it.opts.coerceTypes == 'array') {
+          out += ' if (' + ($dataType) + ' == \'object\' && Array.isArray(' + ($data) + ') && ' + ($data) + '.length == 1) { ' + ($data) + ' = ' + ($data) + '[0]; ' + ($dataType) + ' = typeof ' + ($data) + '; if (' + (it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)) + ') ' + ($coerced) + ' = ' + ($data) + '; } ';
+        }
+        out += ' if (' + ($coerced) + ' !== undefined) ; ';
+        var arr1 = $coerceToTypes;
+        if (arr1) {
+          var $type, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $type = arr1[$i += 1];
+            if ($type == 'string') {
+              out += ' else if (' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\') ' + ($coerced) + ' = \'\' + ' + ($data) + '; else if (' + ($data) + ' === null) ' + ($coerced) + ' = \'\'; ';
+            } else if ($type == 'number' || $type == 'integer') {
+              out += ' else if (' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' === null || (' + ($dataType) + ' == \'string\' && ' + ($data) + ' && ' + ($data) + ' == +' + ($data) + ' ';
+              if ($type == 'integer') {
+                out += ' && !(' + ($data) + ' % 1)';
+              }
+              out += ')) ' + ($coerced) + ' = +' + ($data) + '; ';
+            } else if ($type == 'boolean') {
+              out += ' else if (' + ($data) + ' === \'false\' || ' + ($data) + ' === 0 || ' + ($data) + ' === null) ' + ($coerced) + ' = false; else if (' + ($data) + ' === \'true\' || ' + ($data) + ' === 1) ' + ($coerced) + ' = true; ';
+            } else if ($type == 'null') {
+              out += ' else if (' + ($data) + ' === \'\' || ' + ($data) + ' === 0 || ' + ($data) + ' === false) ' + ($coerced) + ' = null; ';
+            } else if (it.opts.coerceTypes == 'array' && $type == 'array') {
+              out += ' else if (' + ($dataType) + ' == \'string\' || ' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' == null) ' + ($coerced) + ' = [' + ($data) + ']; ';
+            }
+          }
+        }
+        out += ' else {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } if (' + ($coerced) + ' !== undefined) {  ';
+        var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+          $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+        out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
+        if (!$dataLvl) {
+          out += 'if (' + ($parentData) + ' !== undefined)';
+        }
+        out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
+      } else {
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      }
+      out += ' } ';
+    }
+  }
+  if (it.schema.$ref && !$refKeywords) {
+    out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
+    if ($breakOnError) {
+      out += ' } if (errors === ';
+      if ($top) {
+        out += '0';
+      } else {
+        out += 'errs_' + ($lvl);
+      }
+      out += ') { ';
+      $closingBraces2 += '}';
+    }
+  } else {
+    var arr2 = it.RULES;
+    if (arr2) {
+      var $rulesGroup, i2 = -1,
+        l2 = arr2.length - 1;
+      while (i2 < l2) {
+        $rulesGroup = arr2[i2 += 1];
+        if ($shouldUseGroup($rulesGroup)) {
+          if ($rulesGroup.type) {
+            out += ' if (' + (it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers)) + ') { ';
+          }
+          if (it.opts.useDefaults) {
+            if ($rulesGroup.type == 'object' && it.schema.properties) {
+              var $schema = it.schema.properties,
+                $schemaKeys = Object.keys($schema);
+              var arr3 = $schemaKeys;
+              if (arr3) {
+                var $propertyKey, i3 = -1,
+                  l3 = arr3.length - 1;
+                while (i3 < l3) {
+                  $propertyKey = arr3[i3 += 1];
+                  var $sch = $schema[$propertyKey];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + it.util.getProperty($propertyKey);
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
+              var arr4 = it.schema.items;
+              if (arr4) {
+                var $sch, $i = -1,
+                  l4 = arr4.length - 1;
+                while ($i < l4) {
+                  $sch = arr4[$i += 1];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + '[' + $i + ']';
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            }
+          }
+          var arr5 = $rulesGroup.rules;
+          if (arr5) {
+            var $rule, i5 = -1,
+              l5 = arr5.length - 1;
+            while (i5 < l5) {
+              $rule = arr5[i5 += 1];
+              if ($shouldUseRule($rule)) {
+                var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
+                if ($code) {
+                  out += ' ' + ($code) + ' ';
+                  if ($breakOnError) {
+                    $closingBraces1 += '}';
+                  }
+                }
+              }
+            }
+          }
+          if ($breakOnError) {
+            out += ' ' + ($closingBraces1) + ' ';
+            $closingBraces1 = '';
+          }
+          if ($rulesGroup.type) {
+            out += ' } ';
+            if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
+              out += ' else { ';
+              var $schemaPath = it.schemaPath + '.type',
+                $errSchemaPath = it.errSchemaPath + '/type';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+                if ($typeIsArray) {
+                  out += '' + ($typeSchema.join(","));
+                } else {
+                  out += '' + ($typeSchema);
+                }
+                out += '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'should be ';
+                  if ($typeIsArray) {
+                    out += '' + ($typeSchema.join(","));
+                  } else {
+                    out += '' + ($typeSchema);
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              out += ' } ';
+            }
+          }
+          if ($breakOnError) {
+            out += ' if (errors === ';
+            if ($top) {
+              out += '0';
+            } else {
+              out += 'errs_' + ($lvl);
+            }
+            out += ') { ';
+            $closingBraces2 += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces2) + ' ';
+  }
+  if ($top) {
+    if ($async) {
+      out += ' if (errors === 0) return data;           ';
+      out += ' else throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; ';
+      out += ' return errors === 0;       ';
+    }
+    out += ' }; return validate;';
+  } else {
+    out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
+  }
+
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+    for (var i = 0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i])) return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i = 0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined) return true;
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/keyword.js b/node_modules/ajv/lib/keyword.js
new file mode 100644
index 00000000..06da9a2d
--- /dev/null
+++ b/node_modules/ajv/lib/keyword.js
@@ -0,0 +1,146 @@
+'use strict';
+
+var IDENTIFIER = /^[a-z_$][a-z0-9_$-]*$/i;
+var customRuleCode = require('./dotjs/custom');
+var definitionSchema = require('./definition_schema');
+
+module.exports = {
+  add: addKeyword,
+  get: getKeyword,
+  remove: removeKeyword,
+  validate: validateKeyword
+};
+
+
+/**
+ * Define custom keyword
+ * @this  Ajv
+ * @param {String} keyword custom keyword, should be unique (including different from all standard, custom and macro keywords).
+ * @param {Object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+ * @return {Ajv} this for method chaining
+ */
+function addKeyword(keyword, definition) {
+  /* jshint validthis: true */
+  /* eslint no-shadow: 0 */
+  var RULES = this.RULES;
+  if (RULES.keywords[keyword])
+    throw new Error('Keyword ' + keyword + ' is already defined');
+
+  if (!IDENTIFIER.test(keyword))
+    throw new Error('Keyword ' + keyword + ' is not a valid identifier');
+
+  if (definition) {
+    this.validateKeyword(definition, true);
+
+    var dataType = definition.type;
+    if (Array.isArray(dataType)) {
+      for (var i=0; i<dataType.length; i++)
+        _addRule(keyword, dataType[i], definition);
+    } else {
+      _addRule(keyword, dataType, definition);
+    }
+
+    var metaSchema = definition.metaSchema;
+    if (metaSchema) {
+      if (definition.$data && this._opts.$data) {
+        metaSchema = {
+          anyOf: [
+            metaSchema,
+            { '$ref': 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+      definition.validateSchema = this.compile(metaSchema, true);
+    }
+  }
+
+  RULES.keywords[keyword] = RULES.all[keyword] = true;
+
+
+  function _addRule(keyword, dataType, definition) {
+    var ruleGroup;
+    for (var i=0; i<RULES.length; i++) {
+      var rg = RULES[i];
+      if (rg.type == dataType) {
+        ruleGroup = rg;
+        break;
+      }
+    }
+
+    if (!ruleGroup) {
+      ruleGroup = { type: dataType, rules: [] };
+      RULES.push(ruleGroup);
+    }
+
+    var rule = {
+      keyword: keyword,
+      definition: definition,
+      custom: true,
+      code: customRuleCode,
+      implements: definition.implements
+    };
+    ruleGroup.rules.push(rule);
+    RULES.custom[keyword] = rule;
+  }
+
+  return this;
+}
+
+
+/**
+ * Get keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+ */
+function getKeyword(keyword) {
+  /* jshint validthis: true */
+  var rule = this.RULES.custom[keyword];
+  return rule ? rule.definition : this.RULES.keywords[keyword] || false;
+}
+
+
+/**
+ * Remove keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Ajv} this for method chaining
+ */
+function removeKeyword(keyword) {
+  /* jshint validthis: true */
+  var RULES = this.RULES;
+  delete RULES.keywords[keyword];
+  delete RULES.all[keyword];
+  delete RULES.custom[keyword];
+  for (var i=0; i<RULES.length; i++) {
+    var rules = RULES[i].rules;
+    for (var j=0; j<rules.length; j++) {
+      if (rules[j].keyword == keyword) {
+        rules.splice(j, 1);
+        break;
+      }
+    }
+  }
+  return this;
+}
+
+
+/**
+ * Validate keyword definition
+ * @this  Ajv
+ * @param {Object} definition keyword definition object.
+ * @param {Boolean} throwError true to throw exception if definition is invalid
+ * @return {boolean} validation result
+ */
+function validateKeyword(definition, throwError) {
+  validateKeyword.errors = null;
+  var v = this._validateKeyword = this._validateKeyword
+                                  || this.compile(definitionSchema, true);
+
+  if (v(definition)) return true;
+  validateKeyword.errors = v.errors;
+  if (throwError)
+    throw new Error('custom keyword definition is invalid: '  + this.errorsText(v.errors));
+  else
+    return false;
+}
diff --git a/node_modules/ajv/lib/refs/data.json b/node_modules/ajv/lib/refs/data.json
new file mode 100644
index 00000000..64aac5b6
--- /dev/null
+++ b/node_modules/ajv/lib/refs/data.json
@@ -0,0 +1,17 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#",
+    "description": "Meta-schema for $data reference (JSON Schema extension proposal)",
+    "type": "object",
+    "required": [ "$data" ],
+    "properties": {
+        "$data": {
+            "type": "string",
+            "anyOf": [
+                { "format": "relative-json-pointer" }, 
+                { "format": "json-pointer" }
+            ]
+        }
+    },
+    "additionalProperties": false
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-04.json b/node_modules/ajv/lib/refs/json-schema-draft-04.json
new file mode 100644
index 00000000..bcbb8474
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-04.json
@@ -0,0 +1,149 @@
+{
+    "id": "http://json-schema.org/draft-04/schema#",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "positiveInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "positiveIntegerDefault0": {
+            "allOf": [ { "$ref": "#/definitions/positiveInteger" }, { "default": 0 } ]
+        },
+        "simpleTypes": {
+            "enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "minItems": 1,
+            "uniqueItems": true
+        }
+    },
+    "type": "object",
+    "properties": {
+        "id": {
+            "type": "string"
+        },
+        "$schema": {
+            "type": "string"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": {},
+        "multipleOf": {
+            "type": "number",
+            "minimum": 0,
+            "exclusiveMinimum": true
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "boolean",
+            "default": false
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "boolean",
+            "default": false
+        },
+        "maxLength": { "$ref": "#/definitions/positiveInteger" },
+        "minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": {
+            "anyOf": [
+                { "type": "boolean" },
+                { "$ref": "#" }
+            ],
+            "default": {}
+        },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": {}
+        },
+        "maxItems": { "$ref": "#/definitions/positiveInteger" },
+        "minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "maxProperties": { "$ref": "#/definitions/positiveInteger" },
+        "minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": {
+            "anyOf": [
+                { "type": "boolean" },
+                { "$ref": "#" }
+            ],
+            "default": {}
+        },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "enum": {
+            "type": "array",
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "dependencies": {
+        "exclusiveMaximum": [ "maximum" ],
+        "exclusiveMinimum": [ "minimum" ]
+    },
+    "default": {}
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-06.json b/node_modules/ajv/lib/refs/json-schema-draft-06.json
new file mode 100644
index 00000000..5656240b
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-06.json
@@ -0,0 +1,154 @@
+{
+    "$schema": "http://json-schema.org/draft-06/schema#",
+    "$id": "http://json-schema.org/draft-06/schema#",
+    "title": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "nonNegativeInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "nonNegativeIntegerDefault0": {
+            "allOf": [
+                { "$ref": "#/definitions/nonNegativeInteger" },
+                { "default": 0 }
+            ]
+        },
+        "simpleTypes": {
+            "enum": [
+                "array",
+                "boolean",
+                "integer",
+                "null",
+                "number",
+                "object",
+                "string"
+            ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "uniqueItems": true,
+            "default": []
+        }
+    },
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": {},
+        "examples": {
+            "type": "array",
+            "items": {}
+        },
+        "multipleOf": {
+            "type": "number",
+            "exclusiveMinimum": 0
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "number"
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "number"
+        },
+        "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": { "$ref": "#" },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": {}
+        },
+        "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "contains": { "$ref": "#" },
+        "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": { "$ref": "#" },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "propertyNames": { "$ref": "#" },
+        "const": {},
+        "enum": {
+            "type": "array",
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "default": {}
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-07.json b/node_modules/ajv/lib/refs/json-schema-draft-07.json
new file mode 100644
index 00000000..5bee90ec
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-07.json
@@ -0,0 +1,168 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "http://json-schema.org/draft-07/schema#",
+    "title": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "nonNegativeInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "nonNegativeIntegerDefault0": {
+            "allOf": [
+                { "$ref": "#/definitions/nonNegativeInteger" },
+                { "default": 0 }
+            ]
+        },
+        "simpleTypes": {
+            "enum": [
+                "array",
+                "boolean",
+                "integer",
+                "null",
+                "number",
+                "object",
+                "string"
+            ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "uniqueItems": true,
+            "default": []
+        }
+    },
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$comment": {
+            "type": "string"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": true,
+        "readOnly": {
+            "type": "boolean",
+            "default": false
+        },
+        "examples": {
+            "type": "array",
+            "items": true
+        },
+        "multipleOf": {
+            "type": "number",
+            "exclusiveMinimum": 0
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "number"
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "number"
+        },
+        "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": { "$ref": "#" },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": true
+        },
+        "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "contains": { "$ref": "#" },
+        "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": { "$ref": "#" },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "propertyNames": { "format": "regex" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "propertyNames": { "$ref": "#" },
+        "const": true,
+        "enum": {
+            "type": "array",
+            "items": true,
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "contentMediaType": { "type": "string" },
+        "contentEncoding": { "type": "string" },
+        "if": {"$ref": "#"},
+        "then": {"$ref": "#"},
+        "else": {"$ref": "#"},
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "default": true
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-secure.json b/node_modules/ajv/lib/refs/json-schema-secure.json
new file mode 100644
index 00000000..0f7aad47
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-secure.json
@@ -0,0 +1,94 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/json-schema-secure.json#",
+  "title": "Meta-schema for the security assessment of JSON Schemas",
+  "description": "If a JSON Schema fails validation against this meta-schema, it may be unsafe to validate untrusted data",
+  "definitions": {
+    "schemaArray": {
+      "type": "array",
+      "minItems": 1,
+      "items": {"$ref": "#"}
+    }
+  },
+  "dependencies": {
+    "patternProperties": {
+      "description": "prevent slow validation of large property names",
+      "required": ["propertyNames"],
+      "properties": {
+        "propertyNames": {
+          "required": ["maxLength"]
+        }
+      }
+    },
+    "uniqueItems": {
+      "description": "prevent slow validation of large non-scalar arrays",
+      "if": {
+        "properties": {
+          "uniqueItems": {"const": true},
+          "items": {
+            "properties": {
+              "type": {
+                "anyOf": [
+                  {
+                    "enum": ["object", "array"]
+                  },
+                  {
+                    "type": "array",
+                    "contains": {"enum": ["object", "array"]}
+                  }
+                ]
+              }
+            }
+          }
+        }
+      },
+      "then": {
+        "required": ["maxItems"]
+      }
+    },
+    "pattern": {
+      "description": "prevent slow pattern matching of large strings",
+      "required": ["maxLength"]
+    },
+    "format": {
+      "description": "prevent slow format validation of large strings",
+      "required": ["maxLength"]
+    }
+  },
+  "properties": {
+    "additionalItems": {"$ref": "#"},
+    "additionalProperties": {"$ref": "#"},
+    "dependencies": {
+      "additionalProperties": {
+        "anyOf": [
+          {"type": "array"},
+          {"$ref": "#"}
+        ]
+      }
+    },
+    "items": {
+      "anyOf": [
+        {"$ref": "#"},
+        {"$ref": "#/definitions/schemaArray"}
+      ]
+    },
+    "definitions": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "patternProperties": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "properties": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "if": {"$ref": "#"},
+    "then": {"$ref": "#"},
+    "else": {"$ref": "#"},
+    "allOf": {"$ref": "#/definitions/schemaArray"},
+    "anyOf": {"$ref": "#/definitions/schemaArray"},
+    "oneOf": {"$ref": "#/definitions/schemaArray"},
+    "not": {"$ref": "#"},
+    "contains": {"$ref": "#"},
+    "propertyNames": {"$ref": "#"}
+  }
+}
diff --git a/node_modules/ajv/package.json b/node_modules/ajv/package.json
new file mode 100644
index 00000000..559a933c
--- /dev/null
+++ b/node_modules/ajv/package.json
@@ -0,0 +1,106 @@
+{
+  "name": "ajv",
+  "version": "6.12.6",
+  "description": "Another JSON Schema Validator",
+  "main": "lib/ajv.js",
+  "typings": "lib/ajv.d.ts",
+  "files": [
+    "lib/",
+    "dist/",
+    "scripts/",
+    "LICENSE",
+    ".tonic_example.js"
+  ],
+  "scripts": {
+    "eslint": "eslint lib/{compile/,}*.js spec/{**/,}*.js scripts --ignore-pattern spec/JSON-Schema-Test-Suite",
+    "jshint": "jshint lib/{compile/,}*.js",
+    "lint": "npm run jshint && npm run eslint",
+    "test-spec": "mocha spec/{**/,}*.spec.js -R spec",
+    "test-fast": "AJV_FAST_TEST=true npm run test-spec",
+    "test-debug": "npm run test-spec -- --inspect-brk",
+    "test-cov": "nyc npm run test-spec",
+    "test-ts": "tsc --target ES5 --noImplicitAny --noEmit spec/typescript/index.ts",
+    "bundle": "del-cli dist && node ./scripts/bundle.js . Ajv pure_getters",
+    "bundle-beautify": "node ./scripts/bundle.js js-beautify",
+    "build": "del-cli lib/dotjs/*.js \"!lib/dotjs/index.js\" && node scripts/compile-dots.js",
+    "test-karma": "karma start",
+    "test-browser": "del-cli .browser && npm run bundle && scripts/prepare-tests && npm run test-karma",
+    "test-all": "npm run test-cov && if-node-version 10 npm run test-browser",
+    "test": "npm run lint && npm run build && npm run test-all",
+    "prepublish": "npm run build && npm run bundle",
+    "watch": "watch \"npm run build\" ./lib/dot"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ajv-validator/ajv.git"
+  },
+  "keywords": [
+    "JSON",
+    "schema",
+    "validator",
+    "validation",
+    "jsonschema",
+    "json-schema",
+    "json-schema-validator",
+    "json-schema-validation"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/ajv-validator/ajv/issues"
+  },
+  "homepage": "https://github.com/ajv-validator/ajv",
+  "tonicExampleFilename": ".tonic_example.js",
+  "dependencies": {
+    "fast-deep-equal": "^3.1.1",
+    "fast-json-stable-stringify": "^2.0.0",
+    "json-schema-traverse": "^0.4.1",
+    "uri-js": "^4.2.2"
+  },
+  "devDependencies": {
+    "ajv-async": "^1.0.0",
+    "bluebird": "^3.5.3",
+    "brfs": "^2.0.0",
+    "browserify": "^16.2.0",
+    "chai": "^4.0.1",
+    "coveralls": "^3.0.1",
+    "del-cli": "^3.0.0",
+    "dot": "^1.0.3",
+    "eslint": "^7.3.1",
+    "gh-pages-generator": "^0.2.3",
+    "glob": "^7.0.0",
+    "if-node-version": "^1.0.0",
+    "js-beautify": "^1.7.3",
+    "jshint": "^2.10.2",
+    "json-schema-test": "^2.0.0",
+    "karma": "^5.0.0",
+    "karma-chrome-launcher": "^3.0.0",
+    "karma-mocha": "^2.0.0",
+    "karma-sauce-launcher": "^4.1.3",
+    "mocha": "^8.0.1",
+    "nyc": "^15.0.0",
+    "pre-commit": "^1.1.1",
+    "require-globify": "^1.3.0",
+    "typescript": "^3.9.5",
+    "uglify-js": "^3.6.9",
+    "watch": "^1.0.0"
+  },
+  "collective": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/ajv"
+  },
+  "funding": {
+    "type": "github",
+    "url": "https://github.com/sponsors/epoberezkin"
+  }
+}
diff --git a/node_modules/ajv/scripts/.eslintrc.yml b/node_modules/ajv/scripts/.eslintrc.yml
new file mode 100644
index 00000000..493d7d31
--- /dev/null
+++ b/node_modules/ajv/scripts/.eslintrc.yml
@@ -0,0 +1,3 @@
+rules:
+  no-console: 0
+  no-empty: [2, allowEmptyCatch: true]
diff --git a/node_modules/ajv/scripts/bundle.js b/node_modules/ajv/scripts/bundle.js
new file mode 100644
index 00000000..e381a762
--- /dev/null
+++ b/node_modules/ajv/scripts/bundle.js
@@ -0,0 +1,61 @@
+'use strict';
+
+var fs = require('fs')
+  , path = require('path')
+  , browserify = require('browserify')
+  , uglify = require('uglify-js');
+
+var pkg = process.argv[2]
+  , standalone = process.argv[3]
+  , compress = process.argv[4];
+
+var packageDir = path.join(__dirname, '..');
+if (pkg != '.') packageDir = path.join(packageDir, 'node_modules', pkg);
+
+var json = require(path.join(packageDir, 'package.json'));
+
+var distDir = path.join(__dirname, '..', 'dist');
+if (!fs.existsSync(distDir)) fs.mkdirSync(distDir);
+
+var bOpts = {};
+if (standalone) bOpts.standalone = standalone;
+
+browserify(bOpts)
+.require(path.join(packageDir, json.main), {expose: json.name})
+.bundle(function (err, buf) {
+  if (err) {
+    console.error('browserify error:', err);
+    process.exit(1);
+  }
+
+  var outputFile = path.join(distDir, json.name);
+  var uglifyOpts = {
+    warnings: true,
+    compress: {},
+    output: {
+      preamble: '/* ' + json.name + ' ' + json.version + ': ' + json.description + ' */'
+    }
+  };
+  if (compress) {
+    var compressOpts = compress.split(',');
+    for (var i=0, il = compressOpts.length; i<il; ++i) {
+      var pair = compressOpts[i].split('=');
+      uglifyOpts.compress[pair[0]] = pair.length < 1 || pair[1] != 'false';
+    }
+  }
+  if (standalone) {
+    uglifyOpts.sourceMap = {
+      filename: json.name + '.min.js',
+      url: json.name + '.min.js.map'
+    };
+  }
+
+  var result = uglify.minify(buf.toString(), uglifyOpts);
+  fs.writeFileSync(outputFile + '.min.js', result.code);
+  if (result.map) fs.writeFileSync(outputFile + '.min.js.map', result.map);
+  if (standalone) fs.writeFileSync(outputFile + '.bundle.js', buf);
+  if (result.warnings) {
+    for (var j=0, jl = result.warnings.length; j<jl; ++j)
+      console.warn('UglifyJS warning:', result.warnings[j]);
+  }
+});
diff --git a/node_modules/ajv/scripts/compile-dots.js b/node_modules/ajv/scripts/compile-dots.js
new file mode 100644
index 00000000..5a21a7dd
--- /dev/null
+++ b/node_modules/ajv/scripts/compile-dots.js
@@ -0,0 +1,73 @@
+//compile doT templates to js functions
+'use strict';
+
+var glob = require('glob')
+  , fs = require('fs')
+  , path = require('path')
+  , doT = require('dot')
+  , beautify = require('js-beautify').js_beautify;
+
+var defsRootPath = process.argv[2] || path.join(__dirname, '../lib');
+
+var defs = {};
+var defFiles = glob.sync('./dot/**/*.def', { cwd: defsRootPath });
+defFiles.forEach(function (f) {
+  var name = path.basename(f, '.def');
+  defs[name] = fs.readFileSync(path.join(defsRootPath, f));
+});
+
+var filesRootPath = process.argv[3] || path.join(__dirname, '../lib');
+var files = glob.sync('./dot/**/*.jst', { cwd: filesRootPath });
+
+var dotjsPath = path.join(filesRootPath, './dotjs');
+try { fs.mkdirSync(dotjsPath); } catch(e) {}
+
+console.log('\n\nCompiling:');
+
+var FUNCTION_NAME = /function\s+anonymous\s*\(it[^)]*\)\s*{/;
+var OUT_EMPTY_STRING = /out\s*\+=\s*'\s*';/g;
+var ISTANBUL = /'(istanbul[^']+)';/g;
+var ERROR_KEYWORD = /\$errorKeyword/g;
+var ERROR_KEYWORD_OR = /\$errorKeyword\s+\|\|/g;
+var VARS = [
+  '$errs', '$valid', '$lvl', '$data', '$dataLvl',
+  '$errorKeyword', '$closingBraces', '$schemaPath',
+  '$validate'
+];
+
+files.forEach(function (f) {
+  var keyword = path.basename(f, '.jst');
+  var targetPath = path.join(dotjsPath, keyword + '.js');
+  var template = fs.readFileSync(path.join(filesRootPath, f));
+  var code = doT.compile(template, defs);
+  code = code.toString()
+             .replace(OUT_EMPTY_STRING, '')
+             .replace(FUNCTION_NAME, 'function generate_' + keyword + '(it, $keyword, $ruleType) {')
+             .replace(ISTANBUL, '/* $1 */');
+  removeAlwaysFalsyInOr();
+  VARS.forEach(removeUnusedVar);
+  code = "'use strict';\nmodule.exports = " + code;
+  code = beautify(code, { indent_size: 2 }) + '\n';
+  fs.writeFileSync(targetPath, code);
+  console.log('compiled', keyword);
+
+  function removeUnusedVar(v) {
+    v = v.replace(/\$/g, '\\$$');
+    var regexp = new RegExp(v + '[^A-Za-z0-9_$]', 'g');
+    var count = occurrences(regexp);
+    if (count == 1) {
+      regexp = new RegExp('var\\s+' + v + '\\s*=[^;]+;|var\\s+' + v + ';');
+      code = code.replace(regexp, '');
+    }
+  }
+
+  function removeAlwaysFalsyInOr() {
+    var countUsed = occurrences(ERROR_KEYWORD);
+    var countOr = occurrences(ERROR_KEYWORD_OR);
+    if (countUsed == countOr + 1) code = code.replace(ERROR_KEYWORD_OR, '');
+  }
+
+  function occurrences(regexp) {
+    return (code.match(regexp) || []).length;
+  }
+});
diff --git a/node_modules/ajv/scripts/info b/node_modules/ajv/scripts/info
new file mode 100644
index 00000000..77269ab5
--- /dev/null
+++ b/node_modules/ajv/scripts/info
@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var fs = require('fs');
+var name = process.argv[2] || '.';
+var property = process.argv[3] || 'version';
+if (name != '.') name = 'node_modules/' + name;
+var json = JSON.parse(fs.readFileSync(name + '/package.json', 'utf8'));
+console.log(json[property]);
diff --git a/node_modules/ajv/scripts/prepare-tests b/node_modules/ajv/scripts/prepare-tests
new file mode 100644
index 00000000..68470331
--- /dev/null
+++ b/node_modules/ajv/scripts/prepare-tests
@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+
+set -e
+
+mkdir -p .browser
+
+echo
+echo Preparing browser tests:
+
+find spec -type f -name '*.spec.js' | \
+xargs -I {} sh -c \
+'export f="{}"; echo $f; browserify $f -t require-globify -t brfs -x ajv -u buffer -o $(echo $f | sed -e "s/spec/.browser/");'
diff --git a/node_modules/ajv/scripts/publish-built-version b/node_modules/ajv/scripts/publish-built-version
new file mode 100644
index 00000000..1b571237
--- /dev/null
+++ b/node_modules/ajv/scripts/publish-built-version
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ -n $TRAVIS_TAG && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  echo "About to publish $TRAVIS_TAG to ajv-dist..."
+
+  git config user.email "$GIT_USER_EMAIL"
+  git config user.name "$GIT_USER_NAME"
+
+  git clone https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv-dist.git ../ajv-dist
+
+  rm -rf ../ajv-dist/dist
+  mkdir ../ajv-dist/dist
+  cp ./dist/ajv.* ../ajv-dist/dist
+  cat bower.json | sed 's/"name": "ajv"/"name": "ajv-dist"/' > ../ajv-dist/bower.json
+  cd ../ajv-dist
+
+  if [[ `git status --porcelain` ]]; then
+    echo "Changes detected. Updating master branch..."
+    git add -A
+    git commit -m "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin master > /dev/null 2>&1
+  fi
+
+  echo "Publishing tag..."
+
+  git tag $TRAVIS_TAG
+  git push --tags > /dev/null 2>&1
+
+  echo "Done"
+fi
diff --git a/node_modules/ajv/scripts/travis-gh-pages b/node_modules/ajv/scripts/travis-gh-pages
new file mode 100644
index 00000000..b3d4f3d0
--- /dev/null
+++ b/node_modules/ajv/scripts/travis-gh-pages
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qE '\.md$|^LICENSE$|travis-gh-pages$' && {
+    rm -rf ../gh-pages
+    git clone -b gh-pages --single-branch https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv.git ../gh-pages
+    mkdir -p ../gh-pages/_source
+    cp *.md ../gh-pages/_source
+    cp LICENSE ../gh-pages/_source
+    currentDir=$(pwd)
+    cd ../gh-pages
+    $currentDir/node_modules/.bin/gh-pages-generator
+    # remove logo from README
+    sed -i -E "s/<img[^>]+ajv_logo[^>]+>//" index.md
+    git config user.email "$GIT_USER_EMAIL"
+    git config user.name "$GIT_USER_NAME"
+    git add .
+    git commit -am "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin gh-pages > /dev/null 2>&1
+  }
+fi
diff --git a/node_modules/anymatch/LICENSE b/node_modules/anymatch/LICENSE
new file mode 100644
index 00000000..491766ca
--- /dev/null
+++ b/node_modules/anymatch/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) 2019 Elan Shanker, Paul Miller (https://paulmillr.com)
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/anymatch/README.md b/node_modules/anymatch/README.md
new file mode 100644
index 00000000..1dd67f53
--- /dev/null
+++ b/node_modules/anymatch/README.md
@@ -0,0 +1,87 @@
+anymatch [![Build Status](https://travis-ci.org/micromatch/anymatch.svg?branch=master)](https://travis-ci.org/micromatch/anymatch) [![Coverage Status](https://img.shields.io/coveralls/micromatch/anymatch.svg?branch=master)](https://coveralls.io/r/micromatch/anymatch?branch=master)
+======
+Javascript module to match a string against a regular expression, glob, string,
+or function that takes the string as an argument and returns a truthy or falsy
+value. The matcher can also be an array of any or all of these. Useful for
+allowing a very flexible user-defined config to define things like file paths.
+
+__Note: This module has Bash-parity, please be aware that Windows-style backslashes are not supported as separators. See https://github.com/micromatch/micromatch#backslashes for more information.__
+
+
+Usage
+-----
+```sh
+npm install anymatch
+```
+
+#### anymatch(matchers, testString, [returnIndex], [options])
+* __matchers__: (_Array|String|RegExp|Function_)
+String to be directly matched, string with glob patterns, regular expression
+test, function that takes the testString as an argument and returns a truthy
+value if it should be matched, or an array of any number and mix of these types.
+* __testString__: (_String|Array_) The string to test against the matchers. If
+passed as an array, the first element of the array will be used as the
+`testString` for non-function matchers, while the entire array will be applied
+as the arguments for function matchers.
+* __options__: (_Object_ [optional]_) Any of the [picomatch](https://github.com/micromatch/picomatch#options) options.
+    * __returnIndex__: (_Boolean [optional]_) If true, return the array index of
+the first matcher that that testString matched, or -1 if no match, instead of a
+boolean result.
+
+```js
+const anymatch = require('anymatch');
+
+const matchers = [ 'path/to/file.js', 'path/anyjs/**/*.js', /foo.js$/, string => string.includes('bar') && string.length > 10 ] ;
+
+anymatch(matchers, 'path/to/file.js'); // true
+anymatch(matchers, 'path/anyjs/baz.js'); // true
+anymatch(matchers, 'path/to/foo.js'); // true
+anymatch(matchers, 'path/to/bar.js'); // true
+anymatch(matchers, 'bar.js'); // false
+
+// returnIndex = true
+anymatch(matchers, 'foo.js', {returnIndex: true}); // 2
+anymatch(matchers, 'path/anyjs/foo.js', {returnIndex: true}); // 1
+
+// any picomatc
+
+// using globs to match directories and their children
+anymatch('node_modules', 'node_modules'); // true
+anymatch('node_modules', 'node_modules/somelib/index.js'); // false
+anymatch('node_modules/**', 'node_modules/somelib/index.js'); // true
+anymatch('node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // false
+anymatch('**/node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // true
+
+const matcher = anymatch(matchers);
+['foo.js', 'bar.js'].filter(matcher);  // [ 'foo.js' ]
+anymatch master* ❯
+
+```
+
+#### anymatch(matchers)
+You can also pass in only your matcher(s) to get a curried function that has
+already been bound to the provided matching criteria. This can be used as an
+`Array#filter` callback.
+
+```js
+var matcher = anymatch(matchers);
+
+matcher('path/to/file.js'); // true
+matcher('path/anyjs/baz.js', true); // 1
+
+['foo.js', 'bar.js'].filter(matcher); // ['foo.js']
+```
+
+Changelog
+----------
+[See release notes page on GitHub](https://github.com/micromatch/anymatch/releases)
+
+- **v3.0:** Removed `startIndex` and `endIndex` arguments. Node 8.x-only.
+- **v2.0:** [micromatch](https://github.com/jonschlinkert/micromatch) moves away from minimatch-parity and inline with Bash. This includes handling backslashes differently (see https://github.com/micromatch/micromatch#backslashes for more information).
+- **v1.2:** anymatch uses [micromatch](https://github.com/jonschlinkert/micromatch)
+for glob pattern matching. Issues with glob pattern matching should be
+reported directly to the [micromatch issue tracker](https://github.com/jonschlinkert/micromatch/issues).
+
+License
+-------
+[ISC](https://raw.github.com/micromatch/anymatch/master/LICENSE)
diff --git a/node_modules/anymatch/index.d.ts b/node_modules/anymatch/index.d.ts
new file mode 100644
index 00000000..3ef7eaad
--- /dev/null
+++ b/node_modules/anymatch/index.d.ts
@@ -0,0 +1,20 @@
+type AnymatchFn = (testString: string) => boolean;
+type AnymatchPattern = string|RegExp|AnymatchFn;
+type AnymatchMatcher = AnymatchPattern|AnymatchPattern[]
+type AnymatchTester = {
+  (testString: string|any[], returnIndex: true): number;
+  (testString: string|any[]): boolean;
+}
+
+type PicomatchOptions = {dot: boolean};
+
+declare const anymatch: {
+  (matchers: AnymatchMatcher): AnymatchTester;
+  (matchers: AnymatchMatcher, testString: null, returnIndex: true | PicomatchOptions): AnymatchTester;
+  (matchers: AnymatchMatcher, testString: string|any[], returnIndex: true | PicomatchOptions): number;
+  (matchers: AnymatchMatcher, testString: string|any[]): boolean;
+}
+
+export {AnymatchMatcher as Matcher}
+export {AnymatchTester as Tester}
+export default anymatch
diff --git a/node_modules/anymatch/index.js b/node_modules/anymatch/index.js
new file mode 100644
index 00000000..8eb73e9c
--- /dev/null
+++ b/node_modules/anymatch/index.js
@@ -0,0 +1,104 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", { value: true });
+
+const picomatch = require('picomatch');
+const normalizePath = require('normalize-path');
+
+/**
+ * @typedef {(testString: string) => boolean} AnymatchFn
+ * @typedef {string|RegExp|AnymatchFn} AnymatchPattern
+ * @typedef {AnymatchPattern|AnymatchPattern[]} AnymatchMatcher
+ */
+const BANG = '!';
+const DEFAULT_OPTIONS = {returnIndex: false};
+const arrify = (item) => Array.isArray(item) ? item : [item];
+
+/**
+ * @param {AnymatchPattern} matcher
+ * @param {object} options
+ * @returns {AnymatchFn}
+ */
+const createPattern = (matcher, options) => {
+  if (typeof matcher === 'function') {
+    return matcher;
+  }
+  if (typeof matcher === 'string') {
+    const glob = picomatch(matcher, options);
+    return (string) => matcher === string || glob(string);
+  }
+  if (matcher instanceof RegExp) {
+    return (string) => matcher.test(string);
+  }
+  return (string) => false;
+};
+
+/**
+ * @param {Array<Function>} patterns
+ * @param {Array<Function>} negPatterns
+ * @param {String|Array} args
+ * @param {Boolean} returnIndex
+ * @returns {boolean|number}
+ */
+const matchPatterns = (patterns, negPatterns, args, returnIndex) => {
+  const isList = Array.isArray(args);
+  const _path = isList ? args[0] : args;
+  if (!isList && typeof _path !== 'string') {
+    throw new TypeError('anymatch: second argument must be a string: got ' +
+      Object.prototype.toString.call(_path))
+  }
+  const path = normalizePath(_path, false);
+
+  for (let index = 0; index < negPatterns.length; index++) {
+    const nglob = negPatterns[index];
+    if (nglob(path)) {
+      return returnIndex ? -1 : false;
+    }
+  }
+
+  const applied = isList && [path].concat(args.slice(1));
+  for (let index = 0; index < patterns.length; index++) {
+    const pattern = patterns[index];
+    if (isList ? pattern(...applied) : pattern(path)) {
+      return returnIndex ? index : true;
+    }
+  }
+
+  return returnIndex ? -1 : false;
+};
+
+/**
+ * @param {AnymatchMatcher} matchers
+ * @param {Array|string} testString
+ * @param {object} options
+ * @returns {boolean|number|Function}
+ */
+const anymatch = (matchers, testString, options = DEFAULT_OPTIONS) => {
+  if (matchers == null) {
+    throw new TypeError('anymatch: specify first argument');
+  }
+  const opts = typeof options === 'boolean' ? {returnIndex: options} : options;
+  const returnIndex = opts.returnIndex || false;
+
+  // Early cache for matchers.
+  const mtchers = arrify(matchers);
+  const negatedGlobs = mtchers
+    .filter(item => typeof item === 'string' && item.charAt(0) === BANG)
+    .map(item => item.slice(1))
+    .map(item => picomatch(item, opts));
+  const patterns = mtchers
+    .filter(item => typeof item !== 'string' || (typeof item === 'string' && item.charAt(0) !== BANG))
+    .map(matcher => createPattern(matcher, opts));
+
+  if (testString == null) {
+    return (testString, ri = false) => {
+      const returnIndex = typeof ri === 'boolean' ? ri : false;
+      return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
+    }
+  }
+
+  return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
+};
+
+anymatch.default = anymatch;
+module.exports = anymatch;
diff --git a/node_modules/anymatch/package.json b/node_modules/anymatch/package.json
new file mode 100644
index 00000000..2cb2307e
--- /dev/null
+++ b/node_modules/anymatch/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "anymatch",
+  "version": "3.1.3",
+  "description": "Matches strings against configurable strings, globs, regular expressions, and/or functions",
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "dependencies": {
+    "normalize-path": "^3.0.0",
+    "picomatch": "^2.0.4"
+  },
+  "author": {
+    "name": "Elan Shanker",
+    "url": "https://github.com/es128"
+  },
+  "license": "ISC",
+  "homepage": "https://github.com/micromatch/anymatch",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/micromatch/anymatch"
+  },
+  "keywords": [
+    "match",
+    "any",
+    "string",
+    "file",
+    "fs",
+    "list",
+    "glob",
+    "regex",
+    "regexp",
+    "regular",
+    "expression",
+    "function"
+  ],
+  "scripts": {
+    "test": "nyc mocha",
+    "mocha": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "^6.1.3",
+    "nyc": "^14.0.0"
+  },
+  "engines": {
+    "node": ">= 8"
+  }
+}
diff --git a/node_modules/aproba/LICENSE b/node_modules/aproba/LICENSE
new file mode 100644
index 00000000..f4be44d8
--- /dev/null
+++ b/node_modules/aproba/LICENSE
@@ -0,0 +1,14 @@
+Copyright (c) 2015, Rebecca Turner <me@re-becca.org>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/aproba/README.md b/node_modules/aproba/README.md
new file mode 100644
index 00000000..0bfc594c
--- /dev/null
+++ b/node_modules/aproba/README.md
@@ -0,0 +1,94 @@
+aproba
+======
+
+A ridiculously light-weight function argument validator
+
+```
+var validate = require("aproba")
+
+function myfunc(a, b, c) {
+  // `a` must be a string, `b` a number, `c` a function
+  validate('SNF', arguments) // [a,b,c] is also valid
+}
+
+myfunc('test', 23, function () {}) // ok
+myfunc(123, 23, function () {}) // type error
+myfunc('test', 23) // missing arg error
+myfunc('test', 23, function () {}, true) // too many args error
+
+```
+
+Valid types are:
+
+| type | description
+| :--: | :----------
+| *    | matches any type
+| A    | `Array.isArray` OR an `arguments` object
+| S    | typeof == string
+| N    | typeof == number
+| F    | typeof == function
+| O    | typeof == object and not type A and not type E
+| B    | typeof == boolean
+| E    | `instanceof Error` OR `null` **(special: see below)**
+| Z    | == `null`
+
+Validation failures throw one of three exception types, distinguished by a
+`code` property of `EMISSINGARG`, `EINVALIDTYPE` or `ETOOMANYARGS`.
+
+If you pass in an invalid type then it will throw with a code of
+`EUNKNOWNTYPE`.
+
+If an **error** argument is found and is not null then the remaining
+arguments are optional.  That is, if you say `ESO` then that's like using a
+non-magical `E` in: `E|ESO|ZSO`.
+
+### But I have optional arguments?!
+
+You can provide more than one signature by separating them with pipes `|`.
+If any signature matches the arguments then they'll be considered valid.
+
+So for example, say you wanted to write a signature for
+`fs.createWriteStream`.  The docs for it describe it thusly:
+
+```
+fs.createWriteStream(path[, options])
+```
+
+This would be a signature of `SO|S`.  That is, a string and and object, or
+just a string.
+
+Now, if you read the full `fs` docs, you'll see that actually path can ALSO
+be a buffer.  And options can be a string, that is:
+```
+path <String> | <Buffer>
+options <String> | <Object>
+```
+
+To reproduce this you have to fully enumerate all of the possible
+combinations and that implies a signature of `SO|SS|OO|OS|S|O`.  The
+awkwardness is a feature: It reminds you of the complexity you're adding to
+your API when you do this sort of thing.
+
+
+### Browser support
+
+This has no dependencies and should work in browsers, though you'll have
+noisier stack traces.
+
+### Why this exists
+
+I wanted a very simple argument validator. It needed to do two things:
+
+1. Be more concise and easier to use than assertions
+
+2. Not encourage an infinite bikeshed of DSLs
+
+This is why types are specified by a single character and there's no such
+thing as an optional argument. 
+
+This is not intended to validate user data. This is specifically about
+asserting the interface of your functions.
+
+If you need greater validation, I encourage you to write them by hand or
+look elsewhere.
+
diff --git a/node_modules/aproba/index.js b/node_modules/aproba/index.js
new file mode 100644
index 00000000..6f3f797c
--- /dev/null
+++ b/node_modules/aproba/index.js
@@ -0,0 +1,105 @@
+'use strict'
+
+function isArguments (thingy) {
+  return thingy != null && typeof thingy === 'object' && thingy.hasOwnProperty('callee')
+}
+
+var types = {
+  '*': {label: 'any', check: function () { return true }},
+  A: {label: 'array', check: function (thingy) { return Array.isArray(thingy) || isArguments(thingy) }},
+  S: {label: 'string', check: function (thingy) { return typeof thingy === 'string' }},
+  N: {label: 'number', check: function (thingy) { return typeof thingy === 'number' }},
+  F: {label: 'function', check: function (thingy) { return typeof thingy === 'function' }},
+  O: {label: 'object', check: function (thingy) { return typeof thingy === 'object' && thingy != null && !types.A.check(thingy) && !types.E.check(thingy) }},
+  B: {label: 'boolean', check: function (thingy) { return typeof thingy === 'boolean' }},
+  E: {label: 'error', check: function (thingy) { return thingy instanceof Error }},
+  Z: {label: 'null', check: function (thingy) { return thingy == null }}
+}
+
+function addSchema (schema, arity) {
+  var group = arity[schema.length] = arity[schema.length] || []
+  if (group.indexOf(schema) === -1) group.push(schema)
+}
+
+var validate = module.exports = function (rawSchemas, args) {
+  if (arguments.length !== 2) throw wrongNumberOfArgs(['SA'], arguments.length)
+  if (!rawSchemas) throw missingRequiredArg(0, 'rawSchemas')
+  if (!args) throw missingRequiredArg(1, 'args')
+  if (!types.S.check(rawSchemas)) throw invalidType(0, ['string'], rawSchemas)
+  if (!types.A.check(args)) throw invalidType(1, ['array'], args)
+  var schemas = rawSchemas.split('|')
+  var arity = {}
+
+  schemas.forEach(function (schema) {
+    for (var ii = 0; ii < schema.length; ++ii) {
+      var type = schema[ii]
+      if (!types[type]) throw unknownType(ii, type)
+    }
+    if (/E.*E/.test(schema)) throw moreThanOneError(schema)
+    addSchema(schema, arity)
+    if (/E/.test(schema)) {
+      addSchema(schema.replace(/E.*$/, 'E'), arity)
+      addSchema(schema.replace(/E/, 'Z'), arity)
+      if (schema.length === 1) addSchema('', arity)
+    }
+  })
+  var matching = arity[args.length]
+  if (!matching) {
+    throw wrongNumberOfArgs(Object.keys(arity), args.length)
+  }
+  for (var ii = 0; ii < args.length; ++ii) {
+    var newMatching = matching.filter(function (schema) {
+      var type = schema[ii]
+      var typeCheck = types[type].check
+      return typeCheck(args[ii])
+    })
+    if (!newMatching.length) {
+      var labels = matching.map(function (schema) {
+        return types[schema[ii]].label
+      }).filter(function (schema) { return schema != null })
+      throw invalidType(ii, labels, args[ii])
+    }
+    matching = newMatching
+  }
+}
+
+function missingRequiredArg (num) {
+  return newException('EMISSINGARG', 'Missing required argument #' + (num + 1))
+}
+
+function unknownType (num, type) {
+  return newException('EUNKNOWNTYPE', 'Unknown type ' + type + ' in argument #' + (num + 1))
+}
+
+function invalidType (num, expectedTypes, value) {
+  var valueType
+  Object.keys(types).forEach(function (typeCode) {
+    if (types[typeCode].check(value)) valueType = types[typeCode].label
+  })
+  return newException('EINVALIDTYPE', 'Argument #' + (num + 1) + ': Expected ' +
+    englishList(expectedTypes) + ' but got ' + valueType)
+}
+
+function englishList (list) {
+  return list.join(', ').replace(/, ([^,]+)$/, ' or $1')
+}
+
+function wrongNumberOfArgs (expected, got) {
+  var english = englishList(expected)
+  var args = expected.every(function (ex) { return ex.length === 1 })
+    ? 'argument'
+    : 'arguments'
+  return newException('EWRONGARGCOUNT', 'Expected ' + english + ' ' + args + ' but got ' + got)
+}
+
+function moreThanOneError (schema) {
+  return newException('ETOOMANYERRORTYPES',
+    'Only one error type per argument signature is allowed, more than one found in "' + schema + '"')
+}
+
+function newException (code, msg) {
+  var e = new Error(msg)
+  e.code = code
+  if (Error.captureStackTrace) Error.captureStackTrace(e, validate)
+  return e
+}
diff --git a/node_modules/aproba/package.json b/node_modules/aproba/package.json
new file mode 100644
index 00000000..f008787b
--- /dev/null
+++ b/node_modules/aproba/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "aproba",
+  "version": "1.2.0",
+  "description": "A ridiculously light-weight argument validator (now browser friendly)",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "^10.0.3",
+    "tap": "^10.0.2"
+  },
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "standard && tap -j3 test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/iarna/aproba"
+  },
+  "keywords": [
+    "argument",
+    "validate"
+  ],
+  "author": "Rebecca Turner <me@re-becca.org>",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/iarna/aproba/issues"
+  },
+  "homepage": "https://github.com/iarna/aproba"
+}
diff --git a/node_modules/arr-diff/LICENSE b/node_modules/arr-diff/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/arr-diff/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/arr-diff/README.md b/node_modules/arr-diff/README.md
new file mode 100644
index 00000000..961f5c3f
--- /dev/null
+++ b/node_modules/arr-diff/README.md
@@ -0,0 +1,130 @@
+# arr-diff [![NPM version](https://img.shields.io/npm/v/arr-diff.svg?style=flat)](https://www.npmjs.com/package/arr-diff) [![NPM monthly downloads](https://img.shields.io/npm/dm/arr-diff.svg?style=flat)](https://npmjs.org/package/arr-diff) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/arr-diff.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/arr-diff)
+
+> Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save arr-diff
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add arr-diff
+```
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install arr-diff --save
+```
+
+## Usage
+
+Returns the difference between the first array and additional arrays.
+
+```js
+var diff = require('arr-diff');
+
+var a = ['a', 'b', 'c', 'd'];
+var b = ['b', 'c'];
+
+console.log(diff(a, b))
+//=> ['a', 'd']
+```
+
+## Benchmarks
+
+This library versus [array-differ](https://github.com/sindresorhus/array-differ), on April 14, 2017:
+
+```
+Benchmarking: (4 of 4)
+ · long-dupes
+ · long
+ · med
+ · short
+
+# benchmark/fixtures/long-dupes.js (100804 bytes)
+  arr-diff-3.0.0 x 822 ops/sec ±0.67% (86 runs sampled)
+  arr-diff-4.0.0 x 2,141 ops/sec ±0.42% (89 runs sampled)
+  array-differ x 708 ops/sec ±0.70% (89 runs sampled)
+
+  fastest is arr-diff-4.0.0
+
+# benchmark/fixtures/long.js (94529 bytes)
+  arr-diff-3.0.0 x 882 ops/sec ±0.60% (87 runs sampled)
+  arr-diff-4.0.0 x 2,329 ops/sec ±0.97% (83 runs sampled)
+  array-differ x 769 ops/sec ±0.61% (90 runs sampled)
+
+  fastest is arr-diff-4.0.0
+
+# benchmark/fixtures/med.js (708 bytes)
+  arr-diff-3.0.0 x 856,150 ops/sec ±0.42% (89 runs sampled)
+  arr-diff-4.0.0 x 4,665,249 ops/sec ±1.06% (89 runs sampled)
+  array-differ x 653,888 ops/sec ±1.02% (86 runs sampled)
+
+  fastest is arr-diff-4.0.0
+
+# benchmark/fixtures/short.js (60 bytes)
+  arr-diff-3.0.0 x 3,078,467 ops/sec ±0.77% (93 runs sampled)
+  arr-diff-4.0.0 x 9,213,296 ops/sec ±0.65% (89 runs sampled)
+  array-differ x 1,337,051 ops/sec ±0.91% (92 runs sampled)
+
+  fastest is arr-diff-4.0.0
+```
+
+## About
+
+### Related projects
+
+* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten "Recursively flatten an array or arrays. This is the fastest implementation of array flatten.")
+* [array-filter](https://www.npmjs.com/package/array-filter): Array#filter for older browsers. | [homepage](https://github.com/juliangruber/array-filter "Array#filter for older browsers.")
+* [array-intersection](https://www.npmjs.com/package/array-intersection): Return an array with the unique values present in _all_ given arrays using strict equality… [more](https://github.com/jonschlinkert/array-intersection) | [homepage](https://github.com/jonschlinkert/array-intersection "Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 33 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [paulmillr](https://github.com/paulmillr) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 14, 2017._
\ No newline at end of file
diff --git a/node_modules/arr-diff/index.js b/node_modules/arr-diff/index.js
new file mode 100644
index 00000000..90f28077
--- /dev/null
+++ b/node_modules/arr-diff/index.js
@@ -0,0 +1,47 @@
+/*!
+ * arr-diff <https://github.com/jonschlinkert/arr-diff>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function diff(arr/*, arrays*/) {
+  var len = arguments.length;
+  var idx = 0;
+  while (++idx < len) {
+    arr = diffArray(arr, arguments[idx]);
+  }
+  return arr;
+};
+
+function diffArray(one, two) {
+  if (!Array.isArray(two)) {
+    return one.slice();
+  }
+
+  var tlen = two.length
+  var olen = one.length;
+  var idx = -1;
+  var arr = [];
+
+  while (++idx < olen) {
+    var ele = one[idx];
+
+    var hasEle = false;
+    for (var i = 0; i < tlen; i++) {
+      var val = two[i];
+
+      if (ele === val) {
+        hasEle = true;
+        break;
+      }
+    }
+
+    if (hasEle === false) {
+      arr.push(ele);
+    }
+  }
+  return arr;
+}
diff --git a/node_modules/arr-diff/package.json b/node_modules/arr-diff/package.json
new file mode 100644
index 00000000..c106813b
--- /dev/null
+++ b/node_modules/arr-diff/package.json
@@ -0,0 +1,69 @@
+{
+  "name": "arr-diff",
+  "description": "Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.",
+  "version": "4.0.0",
+  "homepage": "https://github.com/jonschlinkert/arr-diff",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)",
+    "Paul Miller <paul+gh@paulmillr.com> (paulmillr.com)"
+  ],
+  "repository": "jonschlinkert/arr-diff",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/arr-diff/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "arr-flatten": "^1.0.1",
+    "array-differ": "^1.0.0",
+    "benchmarked": "^0.2.4",
+    "gulp-format-md": "^0.1.9",
+    "minimist": "^1.2.0",
+    "mocha": "^2.4.5"
+  },
+  "keywords": [
+    "arr",
+    "array",
+    "array differ",
+    "array-differ",
+    "diff",
+    "differ",
+    "difference"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "arr-flatten",
+        "array-filter",
+        "array-intersection"
+      ]
+    },
+    "reflinks": [
+      "array-differ",
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/arr-flatten/LICENSE b/node_modules/arr-flatten/LICENSE
new file mode 100644
index 00000000..3f2eca18
--- /dev/null
+++ b/node_modules/arr-flatten/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/arr-flatten/README.md b/node_modules/arr-flatten/README.md
new file mode 100644
index 00000000..7dc7a974
--- /dev/null
+++ b/node_modules/arr-flatten/README.md
@@ -0,0 +1,86 @@
+# arr-flatten [![NPM version](https://img.shields.io/npm/v/arr-flatten.svg?style=flat)](https://www.npmjs.com/package/arr-flatten) [![NPM monthly downloads](https://img.shields.io/npm/dm/arr-flatten.svg?style=flat)](https://npmjs.org/package/arr-flatten) [![NPM total downloads](https://img.shields.io/npm/dt/arr-flatten.svg?style=flat)](https://npmjs.org/package/arr-flatten) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/arr-flatten.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/arr-flatten) [![Windows Build Status](https://img.shields.io/appveyor/ci/jonschlinkert/arr-flatten.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/jonschlinkert/arr-flatten)
+
+> Recursively flatten an array or arrays.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save arr-flatten
+```
+
+## Install
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install arr-flatten --save
+```
+
+## Usage
+
+```js
+var flatten = require('arr-flatten');
+
+flatten(['a', ['b', ['c']], 'd', ['e']]);
+//=> ['a', 'b', 'c', 'd', 'e']
+```
+
+## Why another flatten utility?
+
+I wanted the fastest implementation I could find, with implementation choices that should work for 95% of use cases, but no cruft to cover the other 5%.
+
+## About
+
+### Related projects
+
+* [arr-filter](https://www.npmjs.com/package/arr-filter): Faster alternative to javascript's native filter method. | [homepage](https://github.com/jonschlinkert/arr-filter "Faster alternative to javascript's native filter method.")
+* [arr-union](https://www.npmjs.com/package/arr-union): Combines a list of arrays, returning a single array with unique values, using strict equality… [more](https://github.com/jonschlinkert/arr-union) | [homepage](https://github.com/jonschlinkert/arr-union "Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.")
+* [array-each](https://www.npmjs.com/package/array-each): Loop over each item in an array and call the given function on every element. | [homepage](https://github.com/jonschlinkert/array-each "Loop over each item in an array and call the given function on every element.")
+* [array-unique](https://www.npmjs.com/package/array-unique): Remove duplicate values from an array. Fastest ES5 implementation. | [homepage](https://github.com/jonschlinkert/array-unique "Remove duplicate values from an array. Fastest ES5 implementation.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 20 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [lukeed](https://github.com/lukeed) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 05, 2017._
\ No newline at end of file
diff --git a/node_modules/arr-flatten/index.js b/node_modules/arr-flatten/index.js
new file mode 100644
index 00000000..0cb4ea4e
--- /dev/null
+++ b/node_modules/arr-flatten/index.js
@@ -0,0 +1,22 @@
+/*!
+ * arr-flatten <https://github.com/jonschlinkert/arr-flatten>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function (arr) {
+  return flat(arr, []);
+};
+
+function flat(arr, res) {
+  var i = 0, cur;
+  var len = arr.length;
+  for (; i < len; i++) {
+    cur = arr[i];
+    Array.isArray(cur) ? flat(cur, res) : res.push(cur);
+  }
+  return res;
+}
diff --git a/node_modules/arr-flatten/package.json b/node_modules/arr-flatten/package.json
new file mode 100644
index 00000000..d2d33e9b
--- /dev/null
+++ b/node_modules/arr-flatten/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "arr-flatten",
+  "description": "Recursively flatten an array or arrays.",
+  "version": "1.1.0",
+  "homepage": "https://github.com/jonschlinkert/arr-flatten",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Luke Edwards (https://lukeed.com)"
+  ],
+  "repository": "jonschlinkert/arr-flatten",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/arr-flatten/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "array-flatten": "^2.1.1",
+    "array-slice": "^1.0.0",
+    "benchmarked": "^1.0.0",
+    "compute-flatten": "^1.0.0",
+    "flatit": "^1.1.1",
+    "flatten": "^1.0.2",
+    "flatten-array": "^1.0.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "just-flatten-it": "^1.1.23",
+    "lodash.flattendeep": "^4.4.0",
+    "m_flattened": "^1.0.1",
+    "mocha": "^3.2.0",
+    "utils-flatten": "^1.0.0",
+    "write": "^0.3.3"
+  },
+  "keywords": [
+    "arr",
+    "array",
+    "elements",
+    "flat",
+    "flatten",
+    "nested",
+    "recurse",
+    "recursive",
+    "recursively"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "arr-filter",
+        "arr-union",
+        "array-each",
+        "array-unique"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/arr-union/LICENSE b/node_modules/arr-union/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/arr-union/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/arr-union/README.md b/node_modules/arr-union/README.md
new file mode 100644
index 00000000..b3cd4f48
--- /dev/null
+++ b/node_modules/arr-union/README.md
@@ -0,0 +1,99 @@
+# arr-union [![NPM version](https://img.shields.io/npm/v/arr-union.svg)](https://www.npmjs.com/package/arr-union) [![Build Status](https://img.shields.io/travis/jonschlinkert/arr-union.svg)](https://travis-ci.org/jonschlinkert/arr-union)
+
+> Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm i arr-union --save
+```
+
+## Benchmarks
+
+This library is **10-20 times faster** and more performant than [array-union](https://github.com/sindresorhus/array-union).
+
+See the [benchmarks](./benchmark).
+
+```sh
+#1: five-arrays
+  array-union x 511,121 ops/sec ±0.80% (96 runs sampled)
+  arr-union x 5,716,039 ops/sec ±0.86% (93 runs sampled)
+
+#2: ten-arrays
+  array-union x 245,196 ops/sec ±0.69% (94 runs sampled)
+  arr-union x 1,850,786 ops/sec ±0.84% (97 runs sampled)
+
+#3: two-arrays
+  array-union x 563,869 ops/sec ±0.97% (94 runs sampled)
+  arr-union x 9,602,852 ops/sec ±0.87% (92 runs sampled)
+```
+
+## Usage
+
+```js
+var union = require('arr-union');
+
+union(['a'], ['b', 'c'], ['d', 'e', 'f']);
+//=> ['a', 'b', 'c', 'd', 'e', 'f']
+```
+
+Returns only unique elements:
+
+```js
+union(['a', 'a'], ['b', 'c']);
+//=> ['a', 'b', 'c']
+```
+
+## Related projects
+
+* [arr-diff](https://www.npmjs.com/package/arr-diff): Returns an array with only the unique values from the first array, by excluding all… [more](https://www.npmjs.com/package/arr-diff) | [homepage](https://github.com/jonschlinkert/arr-diff)
+* [arr-filter](https://www.npmjs.com/package/arr-filter): Faster alternative to javascript's native filter method. | [homepage](https://github.com/jonschlinkert/arr-filter)
+* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten)
+* [arr-map](https://www.npmjs.com/package/arr-map): Faster, node.js focused alternative to JavaScript's native array map. | [homepage](https://github.com/jonschlinkert/arr-map)
+* [arr-pluck](https://www.npmjs.com/package/arr-pluck): Retrieves the value of a specified property from all elements in the collection. | [homepage](https://github.com/jonschlinkert/arr-pluck)
+* [arr-reduce](https://www.npmjs.com/package/arr-reduce): Fast array reduce that also loops over sparse elements. | [homepage](https://github.com/jonschlinkert/arr-reduce)
+* [array-unique](https://www.npmjs.com/package/array-unique): Return an array free of duplicate values. Fastest ES5 implementation. | [homepage](https://github.com/jonschlinkert/array-unique)
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/arr-union/issues/new).
+
+## Building docs
+
+Generate readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm i verb && npm run docs
+```
+
+Or, if [verb](https://github.com/verbose/verb) is installed globally:
+
+```sh
+$ verb
+```
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2016 [Jon Schlinkert](https://github.com/jonschlinkert)
+Released under the [MIT license](https://github.com/jonschlinkert/arr-union/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on February 23, 2016._
\ No newline at end of file
diff --git a/node_modules/arr-union/index.js b/node_modules/arr-union/index.js
new file mode 100644
index 00000000..5ae6c4a0
--- /dev/null
+++ b/node_modules/arr-union/index.js
@@ -0,0 +1,29 @@
+'use strict';
+
+module.exports = function union(init) {
+  if (!Array.isArray(init)) {
+    throw new TypeError('arr-union expects the first argument to be an array.');
+  }
+
+  var len = arguments.length;
+  var i = 0;
+
+  while (++i < len) {
+    var arg = arguments[i];
+    if (!arg) continue;
+
+    if (!Array.isArray(arg)) {
+      arg = [arg];
+    }
+
+    for (var j = 0; j < arg.length; j++) {
+      var ele = arg[j];
+
+      if (init.indexOf(ele) >= 0) {
+        continue;
+      }
+      init.push(ele);
+    }
+  }
+  return init;
+};
diff --git a/node_modules/arr-union/package.json b/node_modules/arr-union/package.json
new file mode 100644
index 00000000..5ee87fd7
--- /dev/null
+++ b/node_modules/arr-union/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "arr-union",
+  "description": "Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.",
+  "version": "3.1.0",
+  "homepage": "https://github.com/jonschlinkert/arr-union",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/arr-union",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/arr-union/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "array-union": "^1.0.1",
+    "array-unique": "^0.2.1",
+    "benchmarked": "^0.1.4",
+    "gulp-format-md": "^0.1.7",
+    "minimist": "^1.1.1",
+    "mocha": "*",
+    "should": "*"
+  },
+  "keywords": [
+    "add",
+    "append",
+    "array",
+    "arrays",
+    "combine",
+    "concat",
+    "extend",
+    "union",
+    "uniq",
+    "unique",
+    "util",
+    "utility",
+    "utils"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "arr-diff",
+        "arr-flatten",
+        "arr-filter",
+        "arr-map",
+        "arr-pluck",
+        "arr-reduce",
+        "array-unique"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "array-union"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/array-unique/LICENSE b/node_modules/array-unique/LICENSE
new file mode 100644
index 00000000..842218cf
--- /dev/null
+++ b/node_modules/array-unique/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/array-unique/README.md b/node_modules/array-unique/README.md
new file mode 100644
index 00000000..41c8c904
--- /dev/null
+++ b/node_modules/array-unique/README.md
@@ -0,0 +1,77 @@
+# array-unique [![NPM version](https://img.shields.io/npm/v/array-unique.svg?style=flat)](https://www.npmjs.com/package/array-unique) [![NPM downloads](https://img.shields.io/npm/dm/array-unique.svg?style=flat)](https://npmjs.org/package/array-unique) [![Build Status](https://img.shields.io/travis/jonschlinkert/array-unique.svg?style=flat)](https://travis-ci.org/jonschlinkert/array-unique)
+
+Remove duplicate values from an array. Fastest ES5 implementation.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save array-unique
+```
+
+## Usage
+
+```js
+var unique = require('array-unique');
+
+var arr = ['a', 'b', 'c', 'c'];
+console.log(unique(arr)) //=> ['a', 'b', 'c']
+console.log(arr)         //=> ['a', 'b', 'c']
+
+/* The above modifies the input array. To prevent that at a slight performance cost: */
+var unique = require("array-unique").immutable;
+
+var arr = ['a', 'b', 'c', 'c'];
+console.log(unique(arr)) //=> ['a', 'b', 'c']
+console.log(arr)         //=> ['a', 'b', 'c', 'c']
+```
+
+## About
+
+### Related projects
+
+* [arr-diff](https://www.npmjs.com/package/arr-diff): Returns an array with only the unique values from the first array, by excluding all… [more](https://github.com/jonschlinkert/arr-diff) | [homepage](https://github.com/jonschlinkert/arr-diff "Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.")
+* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten "Recursively flatten an array or arrays. This is the fastest implementation of array flatten.")
+* [arr-map](https://www.npmjs.com/package/arr-map): Faster, node.js focused alternative to JavaScript's native array map. | [homepage](https://github.com/jonschlinkert/arr-map "Faster, node.js focused alternative to JavaScript's native array map.")
+* [arr-pluck](https://www.npmjs.com/package/arr-pluck): Retrieves the value of a specified property from all elements in the collection. | [homepage](https://github.com/jonschlinkert/arr-pluck "Retrieves the value of a specified property from all elements in the collection.")
+* [arr-reduce](https://www.npmjs.com/package/arr-reduce): Fast array reduce that also loops over sparse elements. | [homepage](https://github.com/jonschlinkert/arr-reduce "Fast array reduce that also loops over sparse elements.")
+* [arr-union](https://www.npmjs.com/package/arr-union): Combines a list of arrays, returning a single array with unique values, using strict equality… [more](https://github.com/jonschlinkert/arr-union) | [homepage](https://github.com/jonschlinkert/arr-union "Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/array-unique/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.28, on July 31, 2016._
\ No newline at end of file
diff --git a/node_modules/array-unique/index.js b/node_modules/array-unique/index.js
new file mode 100644
index 00000000..7e481e07
--- /dev/null
+++ b/node_modules/array-unique/index.js
@@ -0,0 +1,43 @@
+/*!
+ * array-unique <https://github.com/jonschlinkert/array-unique>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function unique(arr) {
+  if (!Array.isArray(arr)) {
+    throw new TypeError('array-unique expects an array.');
+  }
+
+  var len = arr.length;
+  var i = -1;
+
+  while (i++ < len) {
+    var j = i + 1;
+
+    for (; j < arr.length; ++j) {
+      if (arr[i] === arr[j]) {
+        arr.splice(j--, 1);
+      }
+    }
+  }
+  return arr;
+};
+
+module.exports.immutable = function uniqueImmutable(arr) {
+  if (!Array.isArray(arr)) {
+    throw new TypeError('array-unique expects an array.');
+  }
+
+  var arrLen = arr.length;
+  var newArr = new Array(arrLen);
+
+  for (var i = 0; i < arrLen; i++) {
+    newArr[i] = arr[i];
+  }
+
+  return module.exports(newArr);
+};
diff --git a/node_modules/array-unique/package.json b/node_modules/array-unique/package.json
new file mode 100644
index 00000000..d87640ab
--- /dev/null
+++ b/node_modules/array-unique/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "array-unique",
+  "description": "Remove duplicate values from an array. Fastest ES5 implementation.",
+  "version": "0.3.2",
+  "homepage": "https://github.com/jonschlinkert/array-unique",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/array-unique",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/array-unique/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "LICENSE",
+    "README.md"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "array-uniq": "^1.0.2",
+    "benchmarked": "^0.1.3",
+    "gulp-format-md": "^0.1.9",
+    "mocha": "^2.5.3",
+    "should": "^10.0.0"
+  },
+  "keywords": [
+    "array",
+    "unique"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "arr-diff",
+        "arr-union",
+        "arr-flatten",
+        "arr-reduce",
+        "arr-map",
+        "arr-pluck"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/asn1.js/README.md b/node_modules/asn1.js/README.md
new file mode 100644
index 00000000..0c571b80
--- /dev/null
+++ b/node_modules/asn1.js/README.md
@@ -0,0 +1,100 @@
+# ASN1.js
+
+ASN.1 DER Encoder/Decoder and DSL.
+
+## Example
+
+Define model:
+
+```javascript
+var asn = require('asn1.js');
+
+var Human = asn.define('Human', function() {
+  this.seq().obj(
+    this.key('firstName').octstr(),
+    this.key('lastName').octstr(),
+    this.key('age').int(),
+    this.key('gender').enum({ 0: 'male', 1: 'female' }),
+    this.key('bio').seqof(Bio)
+  );
+});
+
+var Bio = asn.define('Bio', function() {
+  this.seq().obj(
+    this.key('time').gentime(),
+    this.key('description').octstr()
+  );
+});
+```
+
+Encode data:
+
+```javascript
+var output = Human.encode({
+  firstName: 'Thomas',
+  lastName: 'Anderson',
+  age: 28,
+  gender: 'male',
+  bio: [
+    {
+      time: +new Date('31 March 1999'),
+      description: 'freedom of mind'
+    }
+  ]
+}, 'der');
+```
+
+Decode data:
+
+```javascript
+var human = Human.decode(output, 'der');
+console.log(human);
+/*
+{ firstName: <Buffer 54 68 6f 6d 61 73>,
+  lastName: <Buffer 41 6e 64 65 72 73 6f 6e>,
+  age: 28,
+  gender: 'male',
+  bio:
+   [ { time: 922820400000,
+       description: <Buffer 66 72 65 65 64 6f 6d 20 6f 66 20 6d 69 6e 64> } ] }
+*/
+```
+
+### Partial decode
+
+Its possible to parse data without stopping on first error. In order to do it,
+you should call:
+
+```javascript
+var human = Human.decode(output, 'der', { partial: true });
+console.log(human);
+/*
+{ result: { ... },
+  errors: [ ... ] }
+*/
+```
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2013.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/asn1.js/lib/asn1.js b/node_modules/asn1.js/lib/asn1.js
new file mode 100644
index 00000000..02bbdc1d
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1.js
@@ -0,0 +1,9 @@
+var asn1 = exports;
+
+asn1.bignum = require('bn.js');
+
+asn1.define = require('./asn1/api').define;
+asn1.base = require('./asn1/base');
+asn1.constants = require('./asn1/constants');
+asn1.decoders = require('./asn1/decoders');
+asn1.encoders = require('./asn1/encoders');
diff --git a/node_modules/asn1.js/lib/asn1/api.js b/node_modules/asn1.js/lib/asn1/api.js
new file mode 100644
index 00000000..7c223cc9
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/api.js
@@ -0,0 +1,61 @@
+var asn1 = require('../asn1');
+var inherits = require('inherits');
+
+var api = exports;
+
+api.define = function define(name, body) {
+  return new Entity(name, body);
+};
+
+function Entity(name, body) {
+  this.name = name;
+  this.body = body;
+
+  this.decoders = {};
+  this.encoders = {};
+};
+
+Entity.prototype._createNamed = function createNamed(base) {
+  var named;
+  try {
+    named = require('vm').runInThisContext(
+      '(function ' + this.name + '(entity) {\n' +
+      '  this._initNamed(entity);\n' +
+      '})'
+    );
+  } catch (e) {
+    named = function (entity) {
+      this._initNamed(entity);
+    };
+  }
+  inherits(named, base);
+  named.prototype._initNamed = function initnamed(entity) {
+    base.call(this, entity);
+  };
+
+  return new named(this);
+};
+
+Entity.prototype._getDecoder = function _getDecoder(enc) {
+  enc = enc || 'der';
+  // Lazily create decoder
+  if (!this.decoders.hasOwnProperty(enc))
+    this.decoders[enc] = this._createNamed(asn1.decoders[enc]);
+  return this.decoders[enc];
+};
+
+Entity.prototype.decode = function decode(data, enc, options) {
+  return this._getDecoder(enc).decode(data, options);
+};
+
+Entity.prototype._getEncoder = function _getEncoder(enc) {
+  enc = enc || 'der';
+  // Lazily create encoder
+  if (!this.encoders.hasOwnProperty(enc))
+    this.encoders[enc] = this._createNamed(asn1.encoders[enc]);
+  return this.encoders[enc];
+};
+
+Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
+  return this._getEncoder(enc).encode(data, reporter);
+};
diff --git a/node_modules/asn1.js/lib/asn1/base/buffer.js b/node_modules/asn1.js/lib/asn1/base/buffer.js
new file mode 100644
index 00000000..bc826e84
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/base/buffer.js
@@ -0,0 +1,116 @@
+var inherits = require('inherits');
+var Reporter = require('../base').Reporter;
+var Buffer = require('buffer').Buffer;
+
+function DecoderBuffer(base, options) {
+  Reporter.call(this, options);
+  if (!Buffer.isBuffer(base)) {
+    this.error('Input not Buffer');
+    return;
+  }
+
+  this.base = base;
+  this.offset = 0;
+  this.length = base.length;
+}
+inherits(DecoderBuffer, Reporter);
+exports.DecoderBuffer = DecoderBuffer;
+
+DecoderBuffer.prototype.save = function save() {
+  return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
+};
+
+DecoderBuffer.prototype.restore = function restore(save) {
+  // Return skipped data
+  var res = new DecoderBuffer(this.base);
+  res.offset = save.offset;
+  res.length = this.offset;
+
+  this.offset = save.offset;
+  Reporter.prototype.restore.call(this, save.reporter);
+
+  return res;
+};
+
+DecoderBuffer.prototype.isEmpty = function isEmpty() {
+  return this.offset === this.length;
+};
+
+DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
+  if (this.offset + 1 <= this.length)
+    return this.base.readUInt8(this.offset++, true);
+  else
+    return this.error(fail || 'DecoderBuffer overrun');
+}
+
+DecoderBuffer.prototype.skip = function skip(bytes, fail) {
+  if (!(this.offset + bytes <= this.length))
+    return this.error(fail || 'DecoderBuffer overrun');
+
+  var res = new DecoderBuffer(this.base);
+
+  // Share reporter state
+  res._reporterState = this._reporterState;
+
+  res.offset = this.offset;
+  res.length = this.offset + bytes;
+  this.offset += bytes;
+  return res;
+}
+
+DecoderBuffer.prototype.raw = function raw(save) {
+  return this.base.slice(save ? save.offset : this.offset, this.length);
+}
+
+function EncoderBuffer(value, reporter) {
+  if (Array.isArray(value)) {
+    this.length = 0;
+    this.value = value.map(function(item) {
+      if (!(item instanceof EncoderBuffer))
+        item = new EncoderBuffer(item, reporter);
+      this.length += item.length;
+      return item;
+    }, this);
+  } else if (typeof value === 'number') {
+    if (!(0 <= value && value <= 0xff))
+      return reporter.error('non-byte EncoderBuffer value');
+    this.value = value;
+    this.length = 1;
+  } else if (typeof value === 'string') {
+    this.value = value;
+    this.length = Buffer.byteLength(value);
+  } else if (Buffer.isBuffer(value)) {
+    this.value = value;
+    this.length = value.length;
+  } else {
+    return reporter.error('Unsupported type: ' + typeof value);
+  }
+}
+exports.EncoderBuffer = EncoderBuffer;
+
+EncoderBuffer.prototype.join = function join(out, offset) {
+  if (!out)
+    out = new Buffer(this.length);
+  if (!offset)
+    offset = 0;
+
+  if (this.length === 0)
+    return out;
+
+  if (Array.isArray(this.value)) {
+    this.value.forEach(function(item) {
+      item.join(out, offset);
+      offset += item.length;
+    });
+  } else {
+    if (typeof this.value === 'number')
+      out[offset] = this.value;
+    else if (typeof this.value === 'string')
+      out.write(this.value, offset);
+    else if (Buffer.isBuffer(this.value))
+      this.value.copy(out, offset);
+    offset += this.length;
+  }
+
+  return out;
+};
diff --git a/node_modules/asn1.js/lib/asn1/base/index.js b/node_modules/asn1.js/lib/asn1/base/index.js
new file mode 100644
index 00000000..935abde0
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/base/index.js
@@ -0,0 +1,6 @@
+var base = exports;
+
+base.Reporter = require('./reporter').Reporter;
+base.DecoderBuffer = require('./buffer').DecoderBuffer;
+base.EncoderBuffer = require('./buffer').EncoderBuffer;
+base.Node = require('./node');
diff --git a/node_modules/asn1.js/lib/asn1/base/node.js b/node_modules/asn1.js/lib/asn1/base/node.js
new file mode 100644
index 00000000..539a832e
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/base/node.js
@@ -0,0 +1,634 @@
+var Reporter = require('../base').Reporter;
+var EncoderBuffer = require('../base').EncoderBuffer;
+var DecoderBuffer = require('../base').DecoderBuffer;
+var assert = require('minimalistic-assert');
+
+// Supported tags
+var tags = [
+  'seq', 'seqof', 'set', 'setof', 'objid', 'bool',
+  'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc',
+  'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str',
+  'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr'
+];
+
+// Public methods list
+var methods = [
+  'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
+  'any', 'contains'
+].concat(tags);
+
+// Overrided methods list
+var overrided = [
+  '_peekTag', '_decodeTag', '_use',
+  '_decodeStr', '_decodeObjid', '_decodeTime',
+  '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',
+
+  '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
+  '_encodeNull', '_encodeInt', '_encodeBool'
+];
+
+function Node(enc, parent) {
+  var state = {};
+  this._baseState = state;
+
+  state.enc = enc;
+
+  state.parent = parent || null;
+  state.children = null;
+
+  // State
+  state.tag = null;
+  state.args = null;
+  state.reverseArgs = null;
+  state.choice = null;
+  state.optional = false;
+  state.any = false;
+  state.obj = false;
+  state.use = null;
+  state.useDecoder = null;
+  state.key = null;
+  state['default'] = null;
+  state.explicit = null;
+  state.implicit = null;
+  state.contains = null;
+
+  // Should create new instance on each method
+  if (!state.parent) {
+    state.children = [];
+    this._wrap();
+  }
+}
+module.exports = Node;
+
+var stateProps = [
+  'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
+  'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
+  'implicit', 'contains'
+];
+
+Node.prototype.clone = function clone() {
+  var state = this._baseState;
+  var cstate = {};
+  stateProps.forEach(function(prop) {
+    cstate[prop] = state[prop];
+  });
+  var res = new this.constructor(cstate.parent);
+  res._baseState = cstate;
+  return res;
+};
+
+Node.prototype._wrap = function wrap() {
+  var state = this._baseState;
+  methods.forEach(function(method) {
+    this[method] = function _wrappedMethod() {
+      var clone = new this.constructor(this);
+      state.children.push(clone);
+      return clone[method].apply(clone, arguments);
+    };
+  }, this);
+};
+
+Node.prototype._init = function init(body) {
+  var state = this._baseState;
+
+  assert(state.parent === null);
+  body.call(this);
+
+  // Filter children
+  state.children = state.children.filter(function(child) {
+    return child._baseState.parent === this;
+  }, this);
+  assert.equal(state.children.length, 1, 'Root node can have only one child');
+};
+
+Node.prototype._useArgs = function useArgs(args) {
+  var state = this._baseState;
+
+  // Filter children and args
+  var children = args.filter(function(arg) {
+    return arg instanceof this.constructor;
+  }, this);
+  args = args.filter(function(arg) {
+    return !(arg instanceof this.constructor);
+  }, this);
+
+  if (children.length !== 0) {
+    assert(state.children === null);
+    state.children = children;
+
+    // Replace parent to maintain backward link
+    children.forEach(function(child) {
+      child._baseState.parent = this;
+    }, this);
+  }
+  if (args.length !== 0) {
+    assert(state.args === null);
+    state.args = args;
+    state.reverseArgs = args.map(function(arg) {
+      if (typeof arg !== 'object' || arg.constructor !== Object)
+        return arg;
+
+      var res = {};
+      Object.keys(arg).forEach(function(key) {
+        if (key == (key | 0))
+          key |= 0;
+        var value = arg[key];
+        res[value] = key;
+      });
+      return res;
+    });
+  }
+};
+
+//
+// Overrided methods
+//
+
+overrided.forEach(function(method) {
+  Node.prototype[method] = function _overrided() {
+    var state = this._baseState;
+    throw new Error(method + ' not implemented for encoding: ' + state.enc);
+  };
+});
+
+//
+// Public methods
+//
+
+tags.forEach(function(tag) {
+  Node.prototype[tag] = function _tagMethod() {
+    var state = this._baseState;
+    var args = Array.prototype.slice.call(arguments);
+
+    assert(state.tag === null);
+    state.tag = tag;
+
+    this._useArgs(args);
+
+    return this;
+  };
+});
+
+Node.prototype.use = function use(item) {
+  assert(item);
+  var state = this._baseState;
+
+  assert(state.use === null);
+  state.use = item;
+
+  return this;
+};
+
+Node.prototype.optional = function optional() {
+  var state = this._baseState;
+
+  state.optional = true;
+
+  return this;
+};
+
+Node.prototype.def = function def(val) {
+  var state = this._baseState;
+
+  assert(state['default'] === null);
+  state['default'] = val;
+  state.optional = true;
+
+  return this;
+};
+
+Node.prototype.explicit = function explicit(num) {
+  var state = this._baseState;
+
+  assert(state.explicit === null && state.implicit === null);
+  state.explicit = num;
+
+  return this;
+};
+
+Node.prototype.implicit = function implicit(num) {
+  var state = this._baseState;
+
+  assert(state.explicit === null && state.implicit === null);
+  state.implicit = num;
+
+  return this;
+};
+
+Node.prototype.obj = function obj() {
+  var state = this._baseState;
+  var args = Array.prototype.slice.call(arguments);
+
+  state.obj = true;
+
+  if (args.length !== 0)
+    this._useArgs(args);
+
+  return this;
+};
+
+Node.prototype.key = function key(newKey) {
+  var state = this._baseState;
+
+  assert(state.key === null);
+  state.key = newKey;
+
+  return this;
+};
+
+Node.prototype.any = function any() {
+  var state = this._baseState;
+
+  state.any = true;
+
+  return this;
+};
+
+Node.prototype.choice = function choice(obj) {
+  var state = this._baseState;
+
+  assert(state.choice === null);
+  state.choice = obj;
+  this._useArgs(Object.keys(obj).map(function(key) {
+    return obj[key];
+  }));
+
+  return this;
+};
+
+Node.prototype.contains = function contains(item) {
+  var state = this._baseState;
+
+  assert(state.use === null);
+  state.contains = item;
+
+  return this;
+};
+
+//
+// Decoding
+//
+
+Node.prototype._decode = function decode(input, options) {
+  var state = this._baseState;
+
+  // Decode root node
+  if (state.parent === null)
+    return input.wrapResult(state.children[0]._decode(input, options));
+
+  var result = state['default'];
+  var present = true;
+
+  var prevKey = null;
+  if (state.key !== null)
+    prevKey = input.enterKey(state.key);
+
+  // Check if tag is there
+  if (state.optional) {
+    var tag = null;
+    if (state.explicit !== null)
+      tag = state.explicit;
+    else if (state.implicit !== null)
+      tag = state.implicit;
+    else if (state.tag !== null)
+      tag = state.tag;
+
+    if (tag === null && !state.any) {
+      // Trial and Error
+      var save = input.save();
+      try {
+        if (state.choice === null)
+          this._decodeGeneric(state.tag, input, options);
+        else
+          this._decodeChoice(input, options);
+        present = true;
+      } catch (e) {
+        present = false;
+      }
+      input.restore(save);
+    } else {
+      present = this._peekTag(input, tag, state.any);
+
+      if (input.isError(present))
+        return present;
+    }
+  }
+
+  // Push object on stack
+  var prevObj;
+  if (state.obj && present)
+    prevObj = input.enterObject();
+
+  if (present) {
+    // Unwrap explicit values
+    if (state.explicit !== null) {
+      var explicit = this._decodeTag(input, state.explicit);
+      if (input.isError(explicit))
+        return explicit;
+      input = explicit;
+    }
+
+    var start = input.offset;
+
+    // Unwrap implicit and normal values
+    if (state.use === null && state.choice === null) {
+      if (state.any)
+        var save = input.save();
+      var body = this._decodeTag(
+        input,
+        state.implicit !== null ? state.implicit : state.tag,
+        state.any
+      );
+      if (input.isError(body))
+        return body;
+
+      if (state.any)
+        result = input.raw(save);
+      else
+        input = body;
+    }
+
+    if (options && options.track && state.tag !== null)
+      options.track(input.path(), start, input.length, 'tagged');
+
+    if (options && options.track && state.tag !== null)
+      options.track(input.path(), input.offset, input.length, 'content');
+
+    // Select proper method for tag
+    if (state.any)
+      result = result;
+    else if (state.choice === null)
+      result = this._decodeGeneric(state.tag, input, options);
+    else
+      result = this._decodeChoice(input, options);
+
+    if (input.isError(result))
+      return result;
+
+    // Decode children
+    if (!state.any && state.choice === null && state.children !== null) {
+      state.children.forEach(function decodeChildren(child) {
+        // NOTE: We are ignoring errors here, to let parser continue with other
+        // parts of encoded data
+        child._decode(input, options);
+      });
+    }
+
+    // Decode contained/encoded by schema, only in bit or octet strings
+    if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) {
+      var data = new DecoderBuffer(result);
+      result = this._getUse(state.contains, input._reporterState.obj)
+          ._decode(data, options);
+    }
+  }
+
+  // Pop object
+  if (state.obj && present)
+    result = input.leaveObject(prevObj);
+
+  // Set key
+  if (state.key !== null && (result !== null || present === true))
+    input.leaveKey(prevKey, state.key, result);
+  else if (prevKey !== null)
+    input.exitKey(prevKey);
+
+  return result;
+};
+
+Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) {
+  var state = this._baseState;
+
+  if (tag === 'seq' || tag === 'set')
+    return null;
+  if (tag === 'seqof' || tag === 'setof')
+    return this._decodeList(input, tag, state.args[0], options);
+  else if (/str$/.test(tag))
+    return this._decodeStr(input, tag, options);
+  else if (tag === 'objid' && state.args)
+    return this._decodeObjid(input, state.args[0], state.args[1], options);
+  else if (tag === 'objid')
+    return this._decodeObjid(input, null, null, options);
+  else if (tag === 'gentime' || tag === 'utctime')
+    return this._decodeTime(input, tag, options);
+  else if (tag === 'null_')
+    return this._decodeNull(input, options);
+  else if (tag === 'bool')
+    return this._decodeBool(input, options);
+  else if (tag === 'objDesc')
+    return this._decodeStr(input, tag, options);
+  else if (tag === 'int' || tag === 'enum')
+    return this._decodeInt(input, state.args && state.args[0], options);
+
+  if (state.use !== null) {
+    return this._getUse(state.use, input._reporterState.obj)
+        ._decode(input, options);
+  } else {
+    return input.error('unknown tag: ' + tag);
+  }
+};
+
+Node.prototype._getUse = function _getUse(entity, obj) {
+
+  var state = this._baseState;
+  // Create altered use decoder if implicit is set
+  state.useDecoder = this._use(entity, obj);
+  assert(state.useDecoder._baseState.parent === null);
+  state.useDecoder = state.useDecoder._baseState.children[0];
+  if (state.implicit !== state.useDecoder._baseState.implicit) {
+    state.useDecoder = state.useDecoder.clone();
+    state.useDecoder._baseState.implicit = state.implicit;
+  }
+  return state.useDecoder;
+};
+
+Node.prototype._decodeChoice = function decodeChoice(input, options) {
+  var state = this._baseState;
+  var result = null;
+  var match = false;
+
+  Object.keys(state.choice).some(function(key) {
+    var save = input.save();
+    var node = state.choice[key];
+    try {
+      var value = node._decode(input, options);
+      if (input.isError(value))
+        return false;
+
+      result = { type: key, value: value };
+      match = true;
+    } catch (e) {
+      input.restore(save);
+      return false;
+    }
+    return true;
+  }, this);
+
+  if (!match)
+    return input.error('Choice not matched');
+
+  return result;
+};
+
+//
+// Encoding
+//
+
+Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
+  return new EncoderBuffer(data, this.reporter);
+};
+
+Node.prototype._encode = function encode(data, reporter, parent) {
+  var state = this._baseState;
+  if (state['default'] !== null && state['default'] === data)
+    return;
+
+  var result = this._encodeValue(data, reporter, parent);
+  if (result === undefined)
+    return;
+
+  if (this._skipDefault(result, reporter, parent))
+    return;
+
+  return result;
+};
+
+Node.prototype._encodeValue = function encode(data, reporter, parent) {
+  var state = this._baseState;
+
+  // Decode root node
+  if (state.parent === null)
+    return state.children[0]._encode(data, reporter || new Reporter());
+
+  var result = null;
+
+  // Set reporter to share it with a child class
+  this.reporter = reporter;
+
+  // Check if data is there
+  if (state.optional && data === undefined) {
+    if (state['default'] !== null)
+      data = state['default']
+    else
+      return;
+  }
+
+  // Encode children first
+  var content = null;
+  var primitive = false;
+  if (state.any) {
+    // Anything that was given is translated to buffer
+    result = this._createEncoderBuffer(data);
+  } else if (state.choice) {
+    result = this._encodeChoice(data, reporter);
+  } else if (state.contains) {
+    content = this._getUse(state.contains, parent)._encode(data, reporter);
+    primitive = true;
+  } else if (state.children) {
+    content = state.children.map(function(child) {
+      if (child._baseState.tag === 'null_')
+        return child._encode(null, reporter, data);
+
+      if (child._baseState.key === null)
+        return reporter.error('Child should have a key');
+      var prevKey = reporter.enterKey(child._baseState.key);
+
+      if (typeof data !== 'object')
+        return reporter.error('Child expected, but input is not object');
+
+      var res = child._encode(data[child._baseState.key], reporter, data);
+      reporter.leaveKey(prevKey);
+
+      return res;
+    }, this).filter(function(child) {
+      return child;
+    });
+    content = this._createEncoderBuffer(content);
+  } else {
+    if (state.tag === 'seqof' || state.tag === 'setof') {
+      // TODO(indutny): this should be thrown on DSL level
+      if (!(state.args && state.args.length === 1))
+        return reporter.error('Too many args for : ' + state.tag);
+
+      if (!Array.isArray(data))
+        return reporter.error('seqof/setof, but data is not Array');
+
+      var child = this.clone();
+      child._baseState.implicit = null;
+      content = this._createEncoderBuffer(data.map(function(item) {
+        var state = this._baseState;
+
+        return this._getUse(state.args[0], data)._encode(item, reporter);
+      }, child));
+    } else if (state.use !== null) {
+      result = this._getUse(state.use, parent)._encode(data, reporter);
+    } else {
+      content = this._encodePrimitive(state.tag, data);
+      primitive = true;
+    }
+  }
+
+  // Encode data itself
+  var result;
+  if (!state.any && state.choice === null) {
+    var tag = state.implicit !== null ? state.implicit : state.tag;
+    var cls = state.implicit === null ? 'universal' : 'context';
+
+    if (tag === null) {
+      if (state.use === null)
+        reporter.error('Tag could be omitted only for .use()');
+    } else {
+      if (state.use === null)
+        result = this._encodeComposite(tag, primitive, cls, content);
+    }
+  }
+
+  // Wrap in explicit
+  if (state.explicit !== null)
+    result = this._encodeComposite(state.explicit, false, 'context', result);
+
+  return result;
+};
+
+Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
+  var state = this._baseState;
+
+  var node = state.choice[data.type];
+  if (!node) {
+    assert(
+        false,
+        data.type + ' not found in ' +
+            JSON.stringify(Object.keys(state.choice)));
+  }
+  return node._encode(data.value, reporter);
+};
+
+Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
+  var state = this._baseState;
+
+  if (/str$/.test(tag))
+    return this._encodeStr(data, tag);
+  else if (tag === 'objid' && state.args)
+    return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
+  else if (tag === 'objid')
+    return this._encodeObjid(data, null, null);
+  else if (tag === 'gentime' || tag === 'utctime')
+    return this._encodeTime(data, tag);
+  else if (tag === 'null_')
+    return this._encodeNull();
+  else if (tag === 'int' || tag === 'enum')
+    return this._encodeInt(data, state.args && state.reverseArgs[0]);
+  else if (tag === 'bool')
+    return this._encodeBool(data);
+  else if (tag === 'objDesc')
+    return this._encodeStr(data, tag);
+  else
+    throw new Error('Unsupported tag: ' + tag);
+};
+
+Node.prototype._isNumstr = function isNumstr(str) {
+  return /^[0-9 ]*$/.test(str);
+};
+
+Node.prototype._isPrintstr = function isPrintstr(str) {
+  return /^[A-Za-z0-9 '\(\)\+,\-\.\/:=\?]*$/.test(str);
+};
diff --git a/node_modules/asn1.js/lib/asn1/base/reporter.js b/node_modules/asn1.js/lib/asn1/base/reporter.js
new file mode 100644
index 00000000..ec8b8b82
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/base/reporter.js
@@ -0,0 +1,121 @@
+var inherits = require('inherits');
+
+function Reporter(options) {
+  this._reporterState = {
+    obj: null,
+    path: [],
+    options: options || {},
+    errors: []
+  };
+}
+exports.Reporter = Reporter;
+
+Reporter.prototype.isError = function isError(obj) {
+  return obj instanceof ReporterError;
+};
+
+Reporter.prototype.save = function save() {
+  var state = this._reporterState;
+
+  return { obj: state.obj, pathLen: state.path.length };
+};
+
+Reporter.prototype.restore = function restore(data) {
+  var state = this._reporterState;
+
+  state.obj = data.obj;
+  state.path = state.path.slice(0, data.pathLen);
+};
+
+Reporter.prototype.enterKey = function enterKey(key) {
+  return this._reporterState.path.push(key);
+};
+
+Reporter.prototype.exitKey = function exitKey(index) {
+  var state = this._reporterState;
+
+  state.path = state.path.slice(0, index - 1);
+};
+
+Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
+  var state = this._reporterState;
+
+  this.exitKey(index);
+  if (state.obj !== null)
+    state.obj[key] = value;
+};
+
+Reporter.prototype.path = function path() {
+  return this._reporterState.path.join('/');
+};
+
+Reporter.prototype.enterObject = function enterObject() {
+  var state = this._reporterState;
+
+  var prev = state.obj;
+  state.obj = {};
+  return prev;
+};
+
+Reporter.prototype.leaveObject = function leaveObject(prev) {
+  var state = this._reporterState;
+
+  var now = state.obj;
+  state.obj = prev;
+  return now;
+};
+
+Reporter.prototype.error = function error(msg) {
+  var err;
+  var state = this._reporterState;
+
+  var inherited = msg instanceof ReporterError;
+  if (inherited) {
+    err = msg;
+  } else {
+    err = new ReporterError(state.path.map(function(elem) {
+      return '[' + JSON.stringify(elem) + ']';
+    }).join(''), msg.message || msg, msg.stack);
+  }
+
+  if (!state.options.partial)
+    throw err;
+
+  if (!inherited)
+    state.errors.push(err);
+
+  return err;
+};
+
+Reporter.prototype.wrapResult = function wrapResult(result) {
+  var state = this._reporterState;
+  if (!state.options.partial)
+    return result;
+
+  return {
+    result: this.isError(result) ? null : result,
+    errors: state.errors
+  };
+};
+
+function ReporterError(path, msg) {
+  this.path = path;
+  this.rethrow(msg);
+};
+inherits(ReporterError, Error);
+
+ReporterError.prototype.rethrow = function rethrow(msg) {
+  this.message = msg + ' at: ' + (this.path || '(shallow)');
+  if (Error.captureStackTrace)
+    Error.captureStackTrace(this, ReporterError);
+
+  if (!this.stack) {
+    try {
+      // IE only adds stack when thrown
+      throw new Error(this.message);
+    } catch (e) {
+      this.stack = e.stack;
+    }
+  }
+  return this;
+};
diff --git a/node_modules/asn1.js/lib/asn1/constants/der.js b/node_modules/asn1.js/lib/asn1/constants/der.js
new file mode 100644
index 00000000..907dd397
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/constants/der.js
@@ -0,0 +1,42 @@
+var constants = require('../constants');
+
+exports.tagClass = {
+  0: 'universal',
+  1: 'application',
+  2: 'context',
+  3: 'private'
+};
+exports.tagClassByName = constants._reverse(exports.tagClass);
+
+exports.tag = {
+  0x00: 'end',
+  0x01: 'bool',
+  0x02: 'int',
+  0x03: 'bitstr',
+  0x04: 'octstr',
+  0x05: 'null_',
+  0x06: 'objid',
+  0x07: 'objDesc',
+  0x08: 'external',
+  0x09: 'real',
+  0x0a: 'enum',
+  0x0b: 'embed',
+  0x0c: 'utf8str',
+  0x0d: 'relativeOid',
+  0x10: 'seq',
+  0x11: 'set',
+  0x12: 'numstr',
+  0x13: 'printstr',
+  0x14: 't61str',
+  0x15: 'videostr',
+  0x16: 'ia5str',
+  0x17: 'utctime',
+  0x18: 'gentime',
+  0x19: 'graphstr',
+  0x1a: 'iso646str',
+  0x1b: 'genstr',
+  0x1c: 'unistr',
+  0x1d: 'charstr',
+  0x1e: 'bmpstr'
+};
+exports.tagByName = constants._reverse(exports.tag);
diff --git a/node_modules/asn1.js/lib/asn1/constants/index.js b/node_modules/asn1.js/lib/asn1/constants/index.js
new file mode 100644
index 00000000..c44e3251
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/constants/index.js
@@ -0,0 +1,19 @@
+var constants = exports;
+
+// Helper
+constants._reverse = function reverse(map) {
+  var res = {};
+
+  Object.keys(map).forEach(function(key) {
+    // Convert key to integer if it is stringified
+    if ((key | 0) == key)
+      key = key | 0;
+
+    var value = map[key];
+    res[value] = key;
+  });
+
+  return res;
+};
+
+constants.der = require('./der');
diff --git a/node_modules/asn1.js/lib/asn1/decoders/der.js b/node_modules/asn1.js/lib/asn1/decoders/der.js
new file mode 100644
index 00000000..79a60acc
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/decoders/der.js
@@ -0,0 +1,324 @@
+var inherits = require('inherits');
+
+var asn1 = require('../../asn1');
+var base = asn1.base;
+var bignum = asn1.bignum;
+
+// Import DER constants
+var der = asn1.constants.der;
+
+function DERDecoder(entity) {
+  this.enc = 'der';
+  this.name = entity.name;
+  this.entity = entity;
+
+  // Construct base tree
+  this.tree = new DERNode();
+  this.tree._init(entity.body);
+};
+module.exports = DERDecoder;
+
+DERDecoder.prototype.decode = function decode(data, options) {
+  if (!(data instanceof base.DecoderBuffer))
+    data = new base.DecoderBuffer(data, options);
+
+  return this.tree._decode(data, options);
+};
+
+// Tree methods
+
+function DERNode(parent) {
+  base.Node.call(this, 'der', parent);
+}
+inherits(DERNode, base.Node);
+
+DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
+  if (buffer.isEmpty())
+    return false;
+
+  var state = buffer.save();
+  var decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
+  if (buffer.isError(decodedTag))
+    return decodedTag;
+
+  buffer.restore(state);
+
+  return decodedTag.tag === tag || decodedTag.tagStr === tag ||
+    (decodedTag.tagStr + 'of') === tag || any;
+};
+
+DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
+  var decodedTag = derDecodeTag(buffer,
+                                'Failed to decode tag of "' + tag + '"');
+  if (buffer.isError(decodedTag))
+    return decodedTag;
+
+  var len = derDecodeLen(buffer,
+                         decodedTag.primitive,
+                         'Failed to get length of "' + tag + '"');
+
+  // Failure
+  if (buffer.isError(len))
+    return len;
+
+  if (!any &&
+      decodedTag.tag !== tag &&
+      decodedTag.tagStr !== tag &&
+      decodedTag.tagStr + 'of' !== tag) {
+    return buffer.error('Failed to match tag: "' + tag + '"');
+  }
+
+  if (decodedTag.primitive || len !== null)
+    return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
+
+  // Indefinite length... find END tag
+  var state = buffer.save();
+  var res = this._skipUntilEnd(
+      buffer,
+      'Failed to skip indefinite length body: "' + this.tag + '"');
+  if (buffer.isError(res))
+    return res;
+
+  len = buffer.offset - state.offset;
+  buffer.restore(state);
+  return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
+};
+
+DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
+  while (true) {
+    var tag = derDecodeTag(buffer, fail);
+    if (buffer.isError(tag))
+      return tag;
+    var len = derDecodeLen(buffer, tag.primitive, fail);
+    if (buffer.isError(len))
+      return len;
+
+    var res;
+    if (tag.primitive || len !== null)
+      res = buffer.skip(len)
+    else
+      res = this._skipUntilEnd(buffer, fail);
+
+    // Failure
+    if (buffer.isError(res))
+      return res;
+
+    if (tag.tagStr === 'end')
+      break;
+  }
+};
+
+DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder,
+                                                    options) {
+  var result = [];
+  while (!buffer.isEmpty()) {
+    var possibleEnd = this._peekTag(buffer, 'end');
+    if (buffer.isError(possibleEnd))
+      return possibleEnd;
+
+    var res = decoder.decode(buffer, 'der', options);
+    if (buffer.isError(res) && possibleEnd)
+      break;
+    result.push(res);
+  }
+  return result;
+};
+
+DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
+  if (tag === 'bitstr') {
+    var unused = buffer.readUInt8();
+    if (buffer.isError(unused))
+      return unused;
+    return { unused: unused, data: buffer.raw() };
+  } else if (tag === 'bmpstr') {
+    var raw = buffer.raw();
+    if (raw.length % 2 === 1)
+      return buffer.error('Decoding of string type: bmpstr length mismatch');
+
+    var str = '';
+    for (var i = 0; i < raw.length / 2; i++) {
+      str += String.fromCharCode(raw.readUInt16BE(i * 2));
+    }
+    return str;
+  } else if (tag === 'numstr') {
+    var numstr = buffer.raw().toString('ascii');
+    if (!this._isNumstr(numstr)) {
+      return buffer.error('Decoding of string type: ' +
+                          'numstr unsupported characters');
+    }
+    return numstr;
+  } else if (tag === 'octstr') {
+    return buffer.raw();
+  } else if (tag === 'objDesc') {
+    return buffer.raw();
+  } else if (tag === 'printstr') {
+    var printstr = buffer.raw().toString('ascii');
+    if (!this._isPrintstr(printstr)) {
+      return buffer.error('Decoding of string type: ' +
+                          'printstr unsupported characters');
+    }
+    return printstr;
+  } else if (/str$/.test(tag)) {
+    return buffer.raw().toString();
+  } else {
+    return buffer.error('Decoding of string type: ' + tag + ' unsupported');
+  }
+};
+
+DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
+  var result;
+  var identifiers = [];
+  var ident = 0;
+  while (!buffer.isEmpty()) {
+    var subident = buffer.readUInt8();
+    ident <<= 7;
+    ident |= subident & 0x7f;
+    if ((subident & 0x80) === 0) {
+      identifiers.push(ident);
+      ident = 0;
+    }
+  }
+  if (subident & 0x80)
+    identifiers.push(ident);
+
+  var first = (identifiers[0] / 40) | 0;
+  var second = identifiers[0] % 40;
+
+  if (relative)
+    result = identifiers;
+  else
+    result = [first, second].concat(identifiers.slice(1));
+
+  if (values) {
+    var tmp = values[result.join(' ')];
+    if (tmp === undefined)
+      tmp = values[result.join('.')];
+    if (tmp !== undefined)
+      result = tmp;
+  }
+
+  return result;
+};
+
+DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
+  var str = buffer.raw().toString();
+  if (tag === 'gentime') {
+    var year = str.slice(0, 4) | 0;
+    var mon = str.slice(4, 6) | 0;
+    var day = str.slice(6, 8) | 0;
+    var hour = str.slice(8, 10) | 0;
+    var min = str.slice(10, 12) | 0;
+    var sec = str.slice(12, 14) | 0;
+  } else if (tag === 'utctime') {
+    var year = str.slice(0, 2) | 0;
+    var mon = str.slice(2, 4) | 0;
+    var day = str.slice(4, 6) | 0;
+    var hour = str.slice(6, 8) | 0;
+    var min = str.slice(8, 10) | 0;
+    var sec = str.slice(10, 12) | 0;
+    if (year < 70)
+      year = 2000 + year;
+    else
+      year = 1900 + year;
+  } else {
+    return buffer.error('Decoding ' + tag + ' time is not supported yet');
+  }
+
+  return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
+};
+
+DERNode.prototype._decodeNull = function decodeNull(buffer) {
+  return null;
+};
+
+DERNode.prototype._decodeBool = function decodeBool(buffer) {
+  var res = buffer.readUInt8();
+  if (buffer.isError(res))
+    return res;
+  else
+    return res !== 0;
+};
+
+DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
+  // Bigint, return as it is (assume big endian)
+  var raw = buffer.raw();
+  var res = new bignum(raw);
+
+  if (values)
+    res = values[res.toString(10)] || res;
+
+  return res;
+};
+
+DERNode.prototype._use = function use(entity, obj) {
+  if (typeof entity === 'function')
+    entity = entity(obj);
+  return entity._getDecoder('der').tree;
+};
+
+// Utility methods
+
+function derDecodeTag(buf, fail) {
+  var tag = buf.readUInt8(fail);
+  if (buf.isError(tag))
+    return tag;
+
+  var cls = der.tagClass[tag >> 6];
+  var primitive = (tag & 0x20) === 0;
+
+  // Multi-octet tag - load
+  if ((tag & 0x1f) === 0x1f) {
+    var oct = tag;
+    tag = 0;
+    while ((oct & 0x80) === 0x80) {
+      oct = buf.readUInt8(fail);
+      if (buf.isError(oct))
+        return oct;
+
+      tag <<= 7;
+      tag |= oct & 0x7f;
+    }
+  } else {
+    tag &= 0x1f;
+  }
+  var tagStr = der.tag[tag];
+
+  return {
+    cls: cls,
+    primitive: primitive,
+    tag: tag,
+    tagStr: tagStr
+  };
+}
+
+function derDecodeLen(buf, primitive, fail) {
+  var len = buf.readUInt8(fail);
+  if (buf.isError(len))
+    return len;
+
+  // Indefinite form
+  if (!primitive && len === 0x80)
+    return null;
+
+  // Definite form
+  if ((len & 0x80) === 0) {
+    // Short form
+    return len;
+  }
+
+  // Long form
+  var num = len & 0x7f;
+  if (num > 4)
+    return buf.error('length octect is too long');
+
+  len = 0;
+  for (var i = 0; i < num; i++) {
+    len <<= 8;
+    var j = buf.readUInt8(fail);
+    if (buf.isError(j))
+      return j;
+    len |= j;
+  }
+
+  return len;
+}
diff --git a/node_modules/asn1.js/lib/asn1/decoders/index.js b/node_modules/asn1.js/lib/asn1/decoders/index.js
new file mode 100644
index 00000000..e2583aa8
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/decoders/index.js
@@ -0,0 +1,4 @@
+var decoders = exports;
+
+decoders.der = require('./der');
+decoders.pem = require('./pem');
diff --git a/node_modules/asn1.js/lib/asn1/decoders/pem.js b/node_modules/asn1.js/lib/asn1/decoders/pem.js
new file mode 100644
index 00000000..301059ca
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/decoders/pem.js
@@ -0,0 +1,49 @@
+var inherits = require('inherits');
+var Buffer = require('buffer').Buffer;
+
+var DERDecoder = require('./der');
+
+function PEMDecoder(entity) {
+  DERDecoder.call(this, entity);
+  this.enc = 'pem';
+};
+inherits(PEMDecoder, DERDecoder);
+module.exports = PEMDecoder;
+
+PEMDecoder.prototype.decode = function decode(data, options) {
+  var lines = data.toString().split(/[\r\n]+/g);
+
+  var label = options.label.toUpperCase();
+
+  var re = /^-----(BEGIN|END) ([^-]+)-----$/;
+  var start = -1;
+  var end = -1;
+  for (var i = 0; i < lines.length; i++) {
+    var match = lines[i].match(re);
+    if (match === null)
+      continue;
+
+    if (match[2] !== label)
+      continue;
+
+    if (start === -1) {
+      if (match[1] !== 'BEGIN')
+        break;
+      start = i;
+    } else {
+      if (match[1] !== 'END')
+        break;
+      end = i;
+      break;
+    }
+  }
+  if (start === -1 || end === -1)
+    throw new Error('PEM section not found for: ' + label);
+
+  var base64 = lines.slice(start + 1, end).join('');
+  // Remove excessive symbols
+  base64.replace(/[^a-z0-9\+\/=]+/gi, '');
+
+  var input = new Buffer(base64, 'base64');
+  return DERDecoder.prototype.decode.call(this, input, options);
+};
diff --git a/node_modules/asn1.js/lib/asn1/encoders/der.js b/node_modules/asn1.js/lib/asn1/encoders/der.js
new file mode 100644
index 00000000..721f8022
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/encoders/der.js
@@ -0,0 +1,295 @@
+var inherits = require('inherits');
+var Buffer = require('buffer').Buffer;
+
+var asn1 = require('../../asn1');
+var base = asn1.base;
+
+// Import DER constants
+var der = asn1.constants.der;
+
+function DEREncoder(entity) {
+  this.enc = 'der';
+  this.name = entity.name;
+  this.entity = entity;
+
+  // Construct base tree
+  this.tree = new DERNode();
+  this.tree._init(entity.body);
+};
+module.exports = DEREncoder;
+
+DEREncoder.prototype.encode = function encode(data, reporter) {
+  return this.tree._encode(data, reporter).join();
+};
+
+// Tree methods
+
+function DERNode(parent) {
+  base.Node.call(this, 'der', parent);
+}
+inherits(DERNode, base.Node);
+
+DERNode.prototype._encodeComposite = function encodeComposite(tag,
+                                                              primitive,
+                                                              cls,
+                                                              content) {
+  var encodedTag = encodeTag(tag, primitive, cls, this.reporter);
+
+  // Short form
+  if (content.length < 0x80) {
+    var header = new Buffer(2);
+    header[0] = encodedTag;
+    header[1] = content.length;
+    return this._createEncoderBuffer([ header, content ]);
+  }
+
+  // Long form
+  // Count octets required to store length
+  var lenOctets = 1;
+  for (var i = content.length; i >= 0x100; i >>= 8)
+    lenOctets++;
+
+  var header = new Buffer(1 + 1 + lenOctets);
+  header[0] = encodedTag;
+  header[1] = 0x80 | lenOctets;
+
+  for (var i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
+    header[i] = j & 0xff;
+
+  return this._createEncoderBuffer([ header, content ]);
+};
+
+DERNode.prototype._encodeStr = function encodeStr(str, tag) {
+  if (tag === 'bitstr') {
+    return this._createEncoderBuffer([ str.unused | 0, str.data ]);
+  } else if (tag === 'bmpstr') {
+    var buf = new Buffer(str.length * 2);
+    for (var i = 0; i < str.length; i++) {
+      buf.writeUInt16BE(str.charCodeAt(i), i * 2);
+    }
+    return this._createEncoderBuffer(buf);
+  } else if (tag === 'numstr') {
+    if (!this._isNumstr(str)) {
+      return this.reporter.error('Encoding of string type: numstr supports ' +
+                                 'only digits and space');
+    }
+    return this._createEncoderBuffer(str);
+  } else if (tag === 'printstr') {
+    if (!this._isPrintstr(str)) {
+      return this.reporter.error('Encoding of string type: printstr supports ' +
+                                 'only latin upper and lower case letters, ' +
+                                 'digits, space, apostrophe, left and rigth ' +
+                                 'parenthesis, plus sign, comma, hyphen, ' +
+                                 'dot, slash, colon, equal sign, ' +
+                                 'question mark');
+    }
+    return this._createEncoderBuffer(str);
+  } else if (/str$/.test(tag)) {
+    return this._createEncoderBuffer(str);
+  } else if (tag === 'objDesc') {
+    return this._createEncoderBuffer(str);
+  } else {
+    return this.reporter.error('Encoding of string type: ' + tag +
+                               ' unsupported');
+  }
+};
+
+DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
+  if (typeof id === 'string') {
+    if (!values)
+      return this.reporter.error('string objid given, but no values map found');
+    if (!values.hasOwnProperty(id))
+      return this.reporter.error('objid not found in values map');
+    id = values[id].split(/[\s\.]+/g);
+    for (var i = 0; i < id.length; i++)
+      id[i] |= 0;
+  } else if (Array.isArray(id)) {
+    id = id.slice();
+    for (var i = 0; i < id.length; i++)
+      id[i] |= 0;
+  }
+
+  if (!Array.isArray(id)) {
+    return this.reporter.error('objid() should be either array or string, ' +
+                               'got: ' + JSON.stringify(id));
+  }
+
+  if (!relative) {
+    if (id[1] >= 40)
+      return this.reporter.error('Second objid identifier OOB');
+    id.splice(0, 2, id[0] * 40 + id[1]);
+  }
+
+  // Count number of octets
+  var size = 0;
+  for (var i = 0; i < id.length; i++) {
+    var ident = id[i];
+    for (size++; ident >= 0x80; ident >>= 7)
+      size++;
+  }
+
+  var objid = new Buffer(size);
+  var offset = objid.length - 1;
+  for (var i = id.length - 1; i >= 0; i--) {
+    var ident = id[i];
+    objid[offset--] = ident & 0x7f;
+    while ((ident >>= 7) > 0)
+      objid[offset--] = 0x80 | (ident & 0x7f);
+  }
+
+  return this._createEncoderBuffer(objid);
+};
+
+function two(num) {
+  if (num < 10)
+    return '0' + num;
+  else
+    return num;
+}
+
+DERNode.prototype._encodeTime = function encodeTime(time, tag) {
+  var str;
+  var date = new Date(time);
+
+  if (tag === 'gentime') {
+    str = [
+      two(date.getFullYear()),
+      two(date.getUTCMonth() + 1),
+      two(date.getUTCDate()),
+      two(date.getUTCHours()),
+      two(date.getUTCMinutes()),
+      two(date.getUTCSeconds()),
+      'Z'
+    ].join('');
+  } else if (tag === 'utctime') {
+    str = [
+      two(date.getFullYear() % 100),
+      two(date.getUTCMonth() + 1),
+      two(date.getUTCDate()),
+      two(date.getUTCHours()),
+      two(date.getUTCMinutes()),
+      two(date.getUTCSeconds()),
+      'Z'
+    ].join('');
+  } else {
+    this.reporter.error('Encoding ' + tag + ' time is not supported yet');
+  }
+
+  return this._encodeStr(str, 'octstr');
+};
+
+DERNode.prototype._encodeNull = function encodeNull() {
+  return this._createEncoderBuffer('');
+};
+
+DERNode.prototype._encodeInt = function encodeInt(num, values) {
+  if (typeof num === 'string') {
+    if (!values)
+      return this.reporter.error('String int or enum given, but no values map');
+    if (!values.hasOwnProperty(num)) {
+      return this.reporter.error('Values map doesn\'t contain: ' +
+                                 JSON.stringify(num));
+    }
+    num = values[num];
+  }
+
+  // Bignum, assume big endian
+  if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
+    var numArray = num.toArray();
+    if (!num.sign && numArray[0] & 0x80) {
+      numArray.unshift(0);
+    }
+    num = new Buffer(numArray);
+  }
+
+  if (Buffer.isBuffer(num)) {
+    var size = num.length;
+    if (num.length === 0)
+      size++;
+
+    var out = new Buffer(size);
+    num.copy(out);
+    if (num.length === 0)
+      out[0] = 0
+    return this._createEncoderBuffer(out);
+  }
+
+  if (num < 0x80)
+    return this._createEncoderBuffer(num);
+
+  if (num < 0x100)
+    return this._createEncoderBuffer([0, num]);
+
+  var size = 1;
+  for (var i = num; i >= 0x100; i >>= 8)
+    size++;
+
+  var out = new Array(size);
+  for (var i = out.length - 1; i >= 0; i--) {
+    out[i] = num & 0xff;
+    num >>= 8;
+  }
+  if(out[0] & 0x80) {
+    out.unshift(0);
+  }
+
+  return this._createEncoderBuffer(new Buffer(out));
+};
+
+DERNode.prototype._encodeBool = function encodeBool(value) {
+  return this._createEncoderBuffer(value ? 0xff : 0);
+};
+
+DERNode.prototype._use = function use(entity, obj) {
+  if (typeof entity === 'function')
+    entity = entity(obj);
+  return entity._getEncoder('der').tree;
+};
+
+DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
+  var state = this._baseState;
+  var i;
+  if (state['default'] === null)
+    return false;
+
+  var data = dataBuffer.join();
+  if (state.defaultBuffer === undefined)
+    state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();
+
+  if (data.length !== state.defaultBuffer.length)
+    return false;
+
+  for (i=0; i < data.length; i++)
+    if (data[i] !== state.defaultBuffer[i])
+      return false;
+
+  return true;
+};
+
+// Utility methods
+
+function encodeTag(tag, primitive, cls, reporter) {
+  var res;
+
+  if (tag === 'seqof')
+    tag = 'seq';
+  else if (tag === 'setof')
+    tag = 'set';
+
+  if (der.tagByName.hasOwnProperty(tag))
+    res = der.tagByName[tag];
+  else if (typeof tag === 'number' && (tag | 0) === tag)
+    res = tag;
+  else
+    return reporter.error('Unknown tag: ' + tag);
+
+  if (res >= 0x1f)
+    return reporter.error('Multi-octet tag encoding unsupported');
+
+  if (!primitive)
+    res |= 0x20;
+
+  res |= (der.tagClassByName[cls || 'universal'] << 6);
+
+  return res;
+}
diff --git a/node_modules/asn1.js/lib/asn1/encoders/index.js b/node_modules/asn1.js/lib/asn1/encoders/index.js
new file mode 100644
index 00000000..6a5d29ec
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/encoders/index.js
@@ -0,0 +1,4 @@
+var encoders = exports;
+
+encoders.der = require('./der');
+encoders.pem = require('./pem');
diff --git a/node_modules/asn1.js/lib/asn1/encoders/pem.js b/node_modules/asn1.js/lib/asn1/encoders/pem.js
new file mode 100644
index 00000000..864271fa
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/encoders/pem.js
@@ -0,0 +1,21 @@
+var inherits = require('inherits');
+
+var DEREncoder = require('./der');
+
+function PEMEncoder(entity) {
+  DEREncoder.call(this, entity);
+  this.enc = 'pem';
+};
+inherits(PEMEncoder, DEREncoder);
+module.exports = PEMEncoder;
+
+PEMEncoder.prototype.encode = function encode(data, options) {
+  var buf = DEREncoder.prototype.encode.call(this, data);
+
+  var p = buf.toString('base64');
+  var out = [ '-----BEGIN ' + options.label + '-----' ];
+  for (var i = 0; i < p.length; i += 64)
+    out.push(p.slice(i, i + 64));
+  out.push('-----END ' + options.label + '-----');
+  return out.join('\n');
+};
diff --git a/node_modules/asn1.js/node_modules/bn.js/LICENSE b/node_modules/asn1.js/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/asn1.js/node_modules/bn.js/README.md b/node_modules/asn1.js/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/asn1.js/node_modules/bn.js/lib/bn.js b/node_modules/asn1.js/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/asn1.js/node_modules/bn.js/package.json b/node_modules/asn1.js/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo.js b/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/asn1.js/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/asn1.js/package.json b/node_modules/asn1.js/package.json
new file mode 100644
index 00000000..911b8215
--- /dev/null
+++ b/node_modules/asn1.js/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "asn1.js",
+  "version": "4.10.1",
+  "description": "ASN.1 encoder and decoder",
+  "main": "lib/asn1.js",
+  "scripts": {
+    "test": "mocha --reporter spec test/*-test.js && cd rfc/2560 && npm i && npm test && cd ../../rfc/5280 && npm i && npm test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/asn1.js"
+  },
+  "keywords": [
+    "asn.1",
+    "der"
+  ],
+  "author": "Fedor Indutny",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/asn1.js/issues"
+  },
+  "homepage": "https://github.com/indutny/asn1.js",
+  "devDependencies": {
+    "mocha": "^2.3.4"
+  },
+  "dependencies": {
+    "bn.js": "^4.0.0",
+    "inherits": "^2.0.1",
+    "minimalistic-assert": "^1.0.0"
+  }
+}
diff --git a/node_modules/assert/.github/FUNDING.yml b/node_modules/assert/.github/FUNDING.yml
new file mode 100644
index 00000000..dc73a257
--- /dev/null
+++ b/node_modules/assert/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/assert
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/assert/.github/SECURITY.md b/node_modules/assert/.github/SECURITY.md
new file mode 100644
index 00000000..a14ace6a
--- /dev/null
+++ b/node_modules/assert/.github/SECURITY.md
@@ -0,0 +1,10 @@
+# Security Policy
+
+## Supported Versions
+Only the latest major version is supported at any given time.
+
+## Reporting a Vulnerability
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
diff --git a/node_modules/assert/.travis.yml b/node_modules/assert/.travis.yml
new file mode 100644
index 00000000..30f39772
--- /dev/null
+++ b/node_modules/assert/.travis.yml
@@ -0,0 +1,30 @@
+language: node_js
+before_install:
+  - nvm install-latest-npm
+matrix:
+  include:
+  - node_js: '0.8'
+    env: TASK=test-node
+  - node_js: '0.10'
+    env: TASK=test-node
+  - node_js: '0.11'
+    env: TASK=test-node
+  - node_js: '0.12'
+    env: TASK=test-node
+  - node_js: 1
+    env: TASK=test-node
+  - node_js: 2
+    env: TASK=test-node
+  - node_js: 3
+    env: TASK=test-node
+  - node_js: 4
+    env: TASK=test-node
+  - node_js: 5
+    env: TASK=test-node
+  - node_js: '0.10'
+    env: TASK=test-browser
+script: "npm run $TASK"
+env:
+  global:
+  - secure: qThuKBZQtkooAvzaYldECGNqvKGPRTnXx62IVyhSbFlsCY1VCmjhLldhyPDiZQ3JqL1XvSkK8OMDupiHqZnNE0nGijoO4M/kaEdjBB+jpjg3f8I6te2SNU935SbkfY9KHAaFXMZwdcq7Fk932AxWEu+FMSDM+080wNKpEATXDe4=
+  - secure: O/scKjHLRcPN5ILV5qsSkksQ7qcZQdHWEUUPItmj/4+vmCc28bHpicoUxXG5A96iHvkBbdmky/nGCg464ZaNLk68m6hfEMDAR3J6mhM2Pf5C4QI/LlFlR1fob9sQ8lztwSGOItwdK8Rfrgb30RRVV71f6FxnaJ6PKMuMNT5S1AQ=
diff --git a/node_modules/assert/.zuul.yml b/node_modules/assert/.zuul.yml
new file mode 100644
index 00000000..9353eb74
--- /dev/null
+++ b/node_modules/assert/.zuul.yml
@@ -0,0 +1,13 @@
+ui: mocha-qunit
+tunnel: ngrok
+browsers:
+  - name: chrome
+    version: latest
+  - name: firefox
+    version: latest
+  - name: safari
+    version: latest
+  - name: ie
+    version: 9..latest
+  - name: microsoftedge
+    version: latest
diff --git a/node_modules/assert/CHANGELOG.md b/node_modules/assert/CHANGELOG.md
new file mode 100644
index 00000000..ee39d356
--- /dev/null
+++ b/node_modules/assert/CHANGELOG.md
@@ -0,0 +1,11 @@
+# assert change log
+
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.5.1
+* [Deps] switch to `object.assign`, and unpin `util`
+
+## 1.5.0
+* Add strict mode APIs. ([@lukechilds](https://github.com/lukechilds) in [#41](https://github.com/browserify/commonjs-assert/pull/41))
diff --git a/node_modules/assert/LICENSE b/node_modules/assert/LICENSE
new file mode 100644
index 00000000..e3d4e695
--- /dev/null
+++ b/node_modules/assert/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/assert/README.md b/node_modules/assert/README.md
new file mode 100644
index 00000000..299d783c
--- /dev/null
+++ b/node_modules/assert/README.md
@@ -0,0 +1,105 @@
+# assert
+
+[![Build Status](https://travis-ci.org/browserify/commonjs-assert.svg?branch=master)](https://travis-ci.org/browserify/commonjs-assert)
+
+This module is used for writing unit tests for your applications, you can access it with `require('assert')`.
+
+It aims to be fully compatibe with the [node.js assert module](http://nodejs.org/api/assert.html), same API and same behavior, just adding support for web browsers.
+The API and code may contain traces of the [CommonJS Unit Testing 1.0 spec](http://wiki.commonjs.org/wiki/Unit_Testing/1.0) which they were based on, but both have evolved significantly since then.
+
+A `strict` and a `legacy` mode exist, while it is recommended to only use `strict mode`.
+
+## Strict mode
+
+When using the `strict mode`, any `assert` function will use the equality used in the strict function mode. So `assert.deepEqual()` will, for example, work the same as `assert.deepStrictEqual()`.
+
+It can be accessed using:
+
+```js
+const assert = require('assert').strict;
+```
+
+## Legacy mode
+
+> Deprecated: Use strict mode instead.
+
+When accessing `assert` directly instead of using the `strict` property, the
+[Abstract Equality Comparison](https://tc39.github.io/ecma262/#sec-abstract-equality-comparison) will be used for any function without a
+"strict" in its name (e.g. `assert.deepEqual()`).
+
+It can be accessed using:
+
+```js
+const assert = require('assert');
+```
+
+It is recommended to use the `strict mode` instead as the Abstract Equality Comparison can often have surprising results. Especially
+in case of `assert.deepEqual()` as the used comparison rules there are very lax.
+
+E.g.
+
+```js
+// WARNING: This does not throw an AssertionError!
+assert.deepEqual(/a/gi, new Date());
+```
+
+
+## assert.fail(actual, expected, message, operator)
+Throws an exception that displays the values for actual and expected separated by the provided operator.
+
+## assert(value, message), assert.ok(value, [message])
+Tests if value is truthy, it is equivalent to assert.equal(true, !!value, message);
+
+## assert.equal(actual, expected, [message])
+Tests shallow, coercive equality with the equal comparison operator ( == ).
+
+## assert.notEqual(actual, expected, [message])
+Tests shallow, coercive non-equality with the not equal comparison operator ( != ).
+
+## assert.deepEqual(actual, expected, [message])
+Tests for deep equality.
+
+## assert.deepStrictEqual(actual, expected, [message])
+Tests for deep equality, as determined by the strict equality operator ( === )
+
+## assert.notDeepEqual(actual, expected, [message])
+Tests for any deep inequality.
+
+## assert.strictEqual(actual, expected, [message])
+Tests strict equality, as determined by the strict equality operator ( === )
+
+## assert.notStrictEqual(actual, expected, [message])
+Tests strict non-equality, as determined by the strict not equal operator ( !== )
+
+## assert.throws(block, [error], [message])
+Expects block to throw an error. error can be constructor, regexp or validation function.
+
+Validate instanceof using constructor:
+
+```javascript
+assert.throws(function() { throw new Error("Wrong value"); }, Error);
+```
+
+Validate error message using RegExp:
+
+```javascript
+assert.throws(function() { throw new Error("Wrong value"); }, /value/);
+```
+
+Custom error validation:
+
+```javascript
+assert.throws(function() {
+    throw new Error("Wrong value");
+}, function(err) {
+    if ( (err instanceof Error) && /value/.test(err) ) {
+        return true;
+    }
+}, "unexpected error");
+```
+
+## assert.doesNotThrow(block, [message])
+Expects block not to throw an error, see assert.throws for details.
+
+## assert.ifError(value)
+Tests if value is not a false value, throws if it is a true value. Useful when testing the first argument, error in callbacks.
diff --git a/node_modules/assert/assert.js b/node_modules/assert/assert.js
new file mode 100644
index 00000000..d0e62e96
--- /dev/null
+++ b/node_modules/assert/assert.js
@@ -0,0 +1,506 @@
+'use strict';
+
+var objectAssign = require('object.assign/polyfill')();
+
+// compare and isBuffer taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
+// original notice:
+
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */
+function compare(a, b) {
+  if (a === b) {
+    return 0;
+  }
+
+  var x = a.length;
+  var y = b.length;
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i];
+      y = b[i];
+      break;
+    }
+  }
+
+  if (x < y) {
+    return -1;
+  }
+  if (y < x) {
+    return 1;
+  }
+  return 0;
+}
+function isBuffer(b) {
+  if (global.Buffer && typeof global.Buffer.isBuffer === 'function') {
+    return global.Buffer.isBuffer(b);
+  }
+  return !!(b != null && b._isBuffer);
+}
+
+// based on node assert, original notice:
+// NB: The URL to the CommonJS spec is kept just for tradition.
+//     node-assert has evolved a lot since then, both in API and behavior.
+
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var util = require('util/');
+var hasOwn = Object.prototype.hasOwnProperty;
+var pSlice = Array.prototype.slice;
+var functionsHaveNames = (function () {
+  return function foo() {}.name === 'foo';
+}());
+function pToString (obj) {
+  return Object.prototype.toString.call(obj);
+}
+function isView(arrbuf) {
+  if (isBuffer(arrbuf)) {
+    return false;
+  }
+  if (typeof global.ArrayBuffer !== 'function') {
+    return false;
+  }
+  if (typeof ArrayBuffer.isView === 'function') {
+    return ArrayBuffer.isView(arrbuf);
+  }
+  if (!arrbuf) {
+    return false;
+  }
+  if (arrbuf instanceof DataView) {
+    return true;
+  }
+  if (arrbuf.buffer && arrbuf.buffer instanceof ArrayBuffer) {
+    return true;
+  }
+  return false;
+}
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+//                             actual: actual,
+//                             expected: expected })
+
+var regex = /\s*function\s+([^\(\s]*)\s*/;
+// based on https://github.com/ljharb/function.prototype.name/blob/adeeeec8bfcc6068b187d7d9fb3d5bb1d3a30899/implementation.js
+function getName(func) {
+  if (!util.isFunction(func)) {
+    return;
+  }
+  if (functionsHaveNames) {
+    return func.name;
+  }
+  var str = func.toString();
+  var match = str.match(regex);
+  return match && match[1];
+}
+assert.AssertionError = function AssertionError(options) {
+  this.name = 'AssertionError';
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+  if (options.message) {
+    this.message = options.message;
+    this.generatedMessage = false;
+  } else {
+    this.message = getMessage(this);
+    this.generatedMessage = true;
+  }
+  var stackStartFunction = options.stackStartFunction || fail;
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, stackStartFunction);
+  } else {
+    // non v8 browsers so we can have a stacktrace
+    var err = new Error();
+    if (err.stack) {
+      var out = err.stack;
+
+      // try to strip useless frames
+      var fn_name = getName(stackStartFunction);
+      var idx = out.indexOf('\n' + fn_name);
+      if (idx >= 0) {
+        // once we have located the function frame
+        // we need to strip out everything before it (and its line)
+        var next_line = out.indexOf('\n', idx + 1);
+        out = out.substring(next_line + 1);
+      }
+
+      this.stack = out;
+    }
+  }
+};
+
+// assert.AssertionError instanceof Error
+util.inherits(assert.AssertionError, Error);
+
+function truncate(s, n) {
+  if (typeof s === 'string') {
+    return s.length < n ? s : s.slice(0, n);
+  } else {
+    return s;
+  }
+}
+function inspect(something) {
+  if (functionsHaveNames || !util.isFunction(something)) {
+    return util.inspect(something);
+  }
+  var rawname = getName(something);
+  var name = rawname ? ': ' + rawname : '';
+  return '[Function' +  name + ']';
+}
+function getMessage(self) {
+  return truncate(inspect(self.actual), 128) + ' ' +
+         self.operator + ' ' +
+         truncate(inspect(self.expected), 128);
+}
+
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
+
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided.  All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
+
+function fail(actual, expected, message, operator, stackStartFunction) {
+  throw new assert.AssertionError({
+    message: message,
+    actual: actual,
+    expected: expected,
+    operator: operator,
+    stackStartFunction: stackStartFunction
+  });
+}
+
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
+
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, !!guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
+
+function ok(value, message) {
+  if (!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
+
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
+
+assert.equal = function equal(actual, expected, message) {
+  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
+
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
+
+assert.notEqual = function notEqual(actual, expected, message) {
+  if (actual == expected) {
+    fail(actual, expected, message, '!=', assert.notEqual);
+  }
+};
+
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
+
+assert.deepEqual = function deepEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected, false)) {
+    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+  }
+};
+
+assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'deepStrictEqual', assert.deepStrictEqual);
+  }
+};
+
+function _deepEqual(actual, expected, strict, memos) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
+  } else if (isBuffer(actual) && isBuffer(expected)) {
+    return compare(actual, expected) === 0;
+
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (util.isDate(actual) && util.isDate(expected)) {
+    return actual.getTime() === expected.getTime();
+
+  // 7.3 If the expected value is a RegExp object, the actual value is
+  // equivalent if it is also a RegExp object with the same source and
+  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
+  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
+    return actual.source === expected.source &&
+           actual.global === expected.global &&
+           actual.multiline === expected.multiline &&
+           actual.lastIndex === expected.lastIndex &&
+           actual.ignoreCase === expected.ignoreCase;
+
+  // 7.4. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if ((actual === null || typeof actual !== 'object') &&
+             (expected === null || typeof expected !== 'object')) {
+    return strict ? actual === expected : actual == expected;
+
+  // If both values are instances of typed arrays, wrap their underlying
+  // ArrayBuffers in a Buffer each to increase performance
+  // This optimization requires the arrays to have the same type as checked by
+  // Object.prototype.toString (aka pToString). Never perform binary
+  // comparisons for Float*Arrays, though, since e.g. +0 === -0 but their
+  // bit patterns are not identical.
+  } else if (isView(actual) && isView(expected) &&
+             pToString(actual) === pToString(expected) &&
+             !(actual instanceof Float32Array ||
+               actual instanceof Float64Array)) {
+    return compare(new Uint8Array(actual.buffer),
+                   new Uint8Array(expected.buffer)) === 0;
+
+  // 7.5 For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else if (isBuffer(actual) !== isBuffer(expected)) {
+    return false;
+  } else {
+    memos = memos || {actual: [], expected: []};
+
+    var actualIndex = memos.actual.indexOf(actual);
+    if (actualIndex !== -1) {
+      if (actualIndex === memos.expected.indexOf(expected)) {
+        return true;
+      }
+    }
+
+    memos.actual.push(actual);
+    memos.expected.push(expected);
+
+    return objEquiv(actual, expected, strict, memos);
+  }
+}
+
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b, strict, actualVisitedObjects) {
+  if (a === null || a === undefined || b === null || b === undefined)
+    return false;
+  // if one is a primitive, the other must be same
+  if (util.isPrimitive(a) || util.isPrimitive(b))
+    return a === b;
+  if (strict && Object.getPrototypeOf(a) !== Object.getPrototypeOf(b))
+    return false;
+  var aIsArgs = isArguments(a);
+  var bIsArgs = isArguments(b);
+  if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
+    return false;
+  if (aIsArgs) {
+    a = pSlice.call(a);
+    b = pSlice.call(b);
+    return _deepEqual(a, b, strict);
+  }
+  var ka = objectKeys(a);
+  var kb = objectKeys(b);
+  var key, i;
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (ka.length !== kb.length)
+    return false;
+  //the same set of keys (although not necessarily the same order),
+  ka.sort();
+  kb.sort();
+  //~~~cheap key test
+  for (i = ka.length - 1; i >= 0; i--) {
+    if (ka[i] !== kb[i])
+      return false;
+  }
+  //equivalent values for every corresponding key, and
+  //~~~possibly expensive deep test
+  for (i = ka.length - 1; i >= 0; i--) {
+    key = ka[i];
+    if (!_deepEqual(a[key], b[key], strict, actualVisitedObjects))
+      return false;
+  }
+  return true;
+}
+
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
+
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected, false)) {
+    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+  }
+};
+
+assert.notDeepStrictEqual = notDeepStrictEqual;
+function notDeepStrictEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'notDeepStrictEqual', notDeepStrictEqual);
+  }
+}
+
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+  if (actual !== expected) {
+    fail(actual, expected, message, '===', assert.strictEqual);
+  }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+  if (actual === expected) {
+    fail(actual, expected, message, '!==', assert.notStrictEqual);
+  }
+};
+
+function expectedException(actual, expected) {
+  if (!actual || !expected) {
+    return false;
+  }
+
+  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
+    return expected.test(actual);
+  }
+
+  try {
+    if (actual instanceof expected) {
+      return true;
+    }
+  } catch (e) {
+    // Ignore.  The instanceof check doesn't work for arrow functions.
+  }
+
+  if (Error.isPrototypeOf(expected)) {
+    return false;
+  }
+
+  return expected.call({}, actual) === true;
+}
+
+function _tryBlock(block) {
+  var error;
+  try {
+    block();
+  } catch (e) {
+    error = e;
+  }
+  return error;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+  var actual;
+
+  if (typeof block !== 'function') {
+    throw new TypeError('"block" argument must be a function');
+  }
+
+  if (typeof expected === 'string') {
+    message = expected;
+    expected = null;
+  }
+
+  actual = _tryBlock(block);
+
+  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+            (message ? ' ' + message : '.');
+
+  if (shouldThrow && !actual) {
+    fail(actual, expected, 'Missing expected exception' + message);
+  }
+
+  var userProvidedMessage = typeof message === 'string';
+  var isUnwantedException = !shouldThrow && util.isError(actual);
+  var isUnexpectedException = !shouldThrow && actual && !expected;
+
+  if ((isUnwantedException &&
+      userProvidedMessage &&
+      expectedException(actual, expected)) ||
+      isUnexpectedException) {
+    fail(actual, expected, 'Got unwanted exception' + message);
+  }
+
+  if ((shouldThrow && actual && expected &&
+      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+    throw actual;
+  }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+  _throws(true, block, error, message);
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
+  _throws(false, block, error, message);
+};
+
+assert.ifError = function(err) { if (err) throw err; };
+
+// Expose a strict only variant of assert
+function strict(value, message) {
+  if (!value) fail(value, true, message, '==', strict);
+}
+assert.strict = objectAssign(strict, assert, {
+  equal: assert.strictEqual,
+  deepEqual: assert.deepStrictEqual,
+  notEqual: assert.notStrictEqual,
+  notDeepEqual: assert.notDeepStrictEqual
+});
+assert.strict.strict = assert.strict;
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    if (hasOwn.call(obj, key)) keys.push(key);
+  }
+  return keys;
+};
diff --git a/node_modules/assert/node_modules/inherits/LICENSE b/node_modules/assert/node_modules/inherits/LICENSE
new file mode 100644
index 00000000..dea3013d
--- /dev/null
+++ b/node_modules/assert/node_modules/inherits/LICENSE
@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/assert/node_modules/inherits/README.md b/node_modules/assert/node_modules/inherits/README.md
new file mode 100644
index 00000000..b1c56658
--- /dev/null
+++ b/node_modules/assert/node_modules/inherits/README.md
@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it
diff --git a/node_modules/assert/node_modules/inherits/inherits.js b/node_modules/assert/node_modules/inherits/inherits.js
new file mode 100644
index 00000000..3b94763a
--- /dev/null
+++ b/node_modules/assert/node_modules/inherits/inherits.js
@@ -0,0 +1,7 @@
+try {
+  var util = require('util');
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  module.exports = require('./inherits_browser.js');
+}
diff --git a/node_modules/assert/node_modules/inherits/inherits_browser.js b/node_modules/assert/node_modules/inherits/inherits_browser.js
new file mode 100644
index 00000000..c1e78a75
--- /dev/null
+++ b/node_modules/assert/node_modules/inherits/inherits_browser.js
@@ -0,0 +1,23 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
diff --git a/node_modules/assert/node_modules/inherits/package.json b/node_modules/assert/node_modules/inherits/package.json
new file mode 100644
index 00000000..7cf62b95
--- /dev/null
+++ b/node_modules/assert/node_modules/inherits/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inherits",
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "version": "2.0.3",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "main": "./inherits.js",
+  "browser": "./inherits_browser.js",
+  "repository": "git://github.com/isaacs/inherits",
+  "license": "ISC",
+  "scripts": {
+    "test": "node test"
+  },
+  "devDependencies": {
+    "tap": "^7.1.0"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ]
+}
diff --git a/node_modules/assert/node_modules/util/LICENSE b/node_modules/assert/node_modules/util/LICENSE
new file mode 100644
index 00000000..e3d4e695
--- /dev/null
+++ b/node_modules/assert/node_modules/util/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/assert/node_modules/util/README.md b/node_modules/assert/node_modules/util/README.md
new file mode 100644
index 00000000..1c473d2c
--- /dev/null
+++ b/node_modules/assert/node_modules/util/README.md
@@ -0,0 +1,15 @@
+# util
+
+[![Build Status](https://travis-ci.org/defunctzombie/node-util.png?branch=master)](https://travis-ci.org/defunctzombie/node-util)
+
+node.js [util](http://nodejs.org/api/util.html) module as a module
+
+## install via [npm](npmjs.org)
+
+```shell
+npm install util
+```
+
+## browser support
+
+This module also works in modern browsers. If you need legacy browser support you will need to polyfill ES5 features.
diff --git a/node_modules/assert/node_modules/util/package.json b/node_modules/assert/node_modules/util/package.json
new file mode 100644
index 00000000..13d19a0f
--- /dev/null
+++ b/node_modules/assert/node_modules/util/package.json
@@ -0,0 +1,35 @@
+{
+  "author": {
+    "name": "Joyent",
+    "url": "http://www.joyent.com"
+  },
+  "name": "util",
+  "description": "Node.JS util module",
+  "keywords": [
+    "util"
+  ],
+  "version": "0.10.4",
+  "homepage": "https://github.com/defunctzombie/node-util",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/defunctzombie/node-util"
+  },
+  "main": "./util.js",
+  "files": [
+    "util.js",
+    "support"
+  ],
+  "scripts": {
+    "test": "node test/node/*.js && zuul test/browser/*.js"
+  },
+  "dependencies": {
+    "inherits": "2.0.3"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "zuul": "~1.0.9"
+  },
+  "browser": {
+    "./support/isBuffer.js": "./support/isBufferBrowser.js"
+  }
+}
diff --git a/node_modules/assert/node_modules/util/support/isBuffer.js b/node_modules/assert/node_modules/util/support/isBuffer.js
new file mode 100644
index 00000000..ace9ac00
--- /dev/null
+++ b/node_modules/assert/node_modules/util/support/isBuffer.js
@@ -0,0 +1,3 @@
+module.exports = function isBuffer(arg) {
+  return arg instanceof Buffer;
+}
diff --git a/node_modules/assert/node_modules/util/support/isBufferBrowser.js b/node_modules/assert/node_modules/util/support/isBufferBrowser.js
new file mode 100644
index 00000000..0e1bee1e
--- /dev/null
+++ b/node_modules/assert/node_modules/util/support/isBufferBrowser.js
@@ -0,0 +1,6 @@
+module.exports = function isBuffer(arg) {
+  return arg && typeof arg === 'object'
+    && typeof arg.copy === 'function'
+    && typeof arg.fill === 'function'
+    && typeof arg.readUInt8 === 'function';
+}
\ No newline at end of file
diff --git a/node_modules/assert/node_modules/util/util.js b/node_modules/assert/node_modules/util/util.js
new file mode 100644
index 00000000..e0ea321d
--- /dev/null
+++ b/node_modules/assert/node_modules/util/util.js
@@ -0,0 +1,586 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+  if (!isString(f)) {
+    var objects = [];
+    for (var i = 0; i < arguments.length; i++) {
+      objects.push(inspect(arguments[i]));
+    }
+    return objects.join(' ');
+  }
+
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s': return String(args[i++]);
+      case '%d': return Number(args[i++]);
+      case '%j':
+        try {
+          return JSON.stringify(args[i++]);
+        } catch (_) {
+          return '[Circular]';
+        }
+      default:
+        return x;
+    }
+  });
+  for (var x = args[i]; i < len; x = args[++i]) {
+    if (isNull(x) || !isObject(x)) {
+      str += ' ' + x;
+    } else {
+      str += ' ' + inspect(x);
+    }
+  }
+  return str;
+};
+
+
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function(fn, msg) {
+  // Allow for deprecating things in the process of starting up.
+  if (isUndefined(global.process)) {
+    return function() {
+      return exports.deprecate(fn, msg).apply(this, arguments);
+    };
+  }
+
+  if (process.noDeprecation === true) {
+    return fn;
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (process.throwDeprecation) {
+        throw new Error(msg);
+      } else if (process.traceDeprecation) {
+        console.trace(msg);
+      } else {
+        console.error(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+};
+
+
+var debugs = {};
+var debugEnviron;
+exports.debuglog = function(set) {
+  if (isUndefined(debugEnviron))
+    debugEnviron = process.env.NODE_DEBUG || '';
+  set = set.toUpperCase();
+  if (!debugs[set]) {
+    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+      var pid = process.pid;
+      debugs[set] = function() {
+        var msg = exports.format.apply(exports, arguments);
+        console.error('%s %d: %s', set, pid, msg);
+      };
+    } else {
+      debugs[set] = function() {};
+    }
+  }
+  return debugs[set];
+};
+
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts) {
+  // default options
+  var ctx = {
+    seen: [],
+    stylize: stylizeNoColor
+  };
+  // legacy...
+  if (arguments.length >= 3) ctx.depth = arguments[2];
+  if (arguments.length >= 4) ctx.colors = arguments[3];
+  if (isBoolean(opts)) {
+    // legacy...
+    ctx.showHidden = opts;
+  } else if (opts) {
+    // got an "options" object
+    exports._extend(ctx, opts);
+  }
+  // set default options
+  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+  if (isUndefined(ctx.depth)) ctx.depth = 2;
+  if (isUndefined(ctx.colors)) ctx.colors = false;
+  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+  if (ctx.colors) ctx.stylize = stylizeWithColor;
+  return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+  'bold' : [1, 22],
+  'italic' : [3, 23],
+  'underline' : [4, 24],
+  'inverse' : [7, 27],
+  'white' : [37, 39],
+  'grey' : [90, 39],
+  'black' : [30, 39],
+  'blue' : [34, 39],
+  'cyan' : [36, 39],
+  'green' : [32, 39],
+  'magenta' : [35, 39],
+  'red' : [31, 39],
+  'yellow' : [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+  'special': 'cyan',
+  'number': 'yellow',
+  'boolean': 'yellow',
+  'undefined': 'grey',
+  'null': 'bold',
+  'string': 'green',
+  'date': 'magenta',
+  // "name": intentionally not styling
+  'regexp': 'red'
+};
+
+
+function stylizeWithColor(str, styleType) {
+  var style = inspect.styles[styleType];
+
+  if (style) {
+    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+           '\u001b[' + inspect.colors[style][1] + 'm';
+  } else {
+    return str;
+  }
+}
+
+
+function stylizeNoColor(str, styleType) {
+  return str;
+}
+
+
+function arrayToHash(array) {
+  var hash = {};
+
+  array.forEach(function(val, idx) {
+    hash[val] = true;
+  });
+
+  return hash;
+}
+
+
+function formatValue(ctx, value, recurseTimes) {
+  // Provide a hook for user-specified inspect functions.
+  // Check that value is an object with an inspect function on it
+  if (ctx.customInspect &&
+      value &&
+      isFunction(value.inspect) &&
+      // Filter out the util module, it's inspect function is special
+      value.inspect !== exports.inspect &&
+      // Also filter out any prototype objects using the circular check.
+      !(value.constructor && value.constructor.prototype === value)) {
+    var ret = value.inspect(recurseTimes, ctx);
+    if (!isString(ret)) {
+      ret = formatValue(ctx, ret, recurseTimes);
+    }
+    return ret;
+  }
+
+  // Primitive types cannot have properties
+  var primitive = formatPrimitive(ctx, value);
+  if (primitive) {
+    return primitive;
+  }
+
+  // Look up the keys of the object.
+  var keys = Object.keys(value);
+  var visibleKeys = arrayToHash(keys);
+
+  if (ctx.showHidden) {
+    keys = Object.getOwnPropertyNames(value);
+  }
+
+  // IE doesn't make error fields non-enumerable
+  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+  if (isError(value)
+      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+    return formatError(value);
+  }
+
+  // Some type of object without properties can be shortcutted.
+  if (keys.length === 0) {
+    if (isFunction(value)) {
+      var name = value.name ? ': ' + value.name : '';
+      return ctx.stylize('[Function' + name + ']', 'special');
+    }
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    }
+    if (isDate(value)) {
+      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+    }
+    if (isError(value)) {
+      return formatError(value);
+    }
+  }
+
+  var base = '', array = false, braces = ['{', '}'];
+
+  // Make Array say that they are Array
+  if (isArray(value)) {
+    array = true;
+    braces = ['[', ']'];
+  }
+
+  // Make functions say that they are functions
+  if (isFunction(value)) {
+    var n = value.name ? ': ' + value.name : '';
+    base = ' [Function' + n + ']';
+  }
+
+  // Make RegExps say that they are RegExps
+  if (isRegExp(value)) {
+    base = ' ' + RegExp.prototype.toString.call(value);
+  }
+
+  // Make dates with properties first say the date
+  if (isDate(value)) {
+    base = ' ' + Date.prototype.toUTCString.call(value);
+  }
+
+  // Make error with message first say the error
+  if (isError(value)) {
+    base = ' ' + formatError(value);
+  }
+
+  if (keys.length === 0 && (!array || value.length == 0)) {
+    return braces[0] + base + braces[1];
+  }
+
+  if (recurseTimes < 0) {
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    } else {
+      return ctx.stylize('[Object]', 'special');
+    }
+  }
+
+  ctx.seen.push(value);
+
+  var output;
+  if (array) {
+    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+  } else {
+    output = keys.map(function(key) {
+      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+    });
+  }
+
+  ctx.seen.pop();
+
+  return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+  if (isUndefined(value))
+    return ctx.stylize('undefined', 'undefined');
+  if (isString(value)) {
+    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+                                             .replace(/'/g, "\\'")
+                                             .replace(/\\"/g, '"') + '\'';
+    return ctx.stylize(simple, 'string');
+  }
+  if (isNumber(value))
+    return ctx.stylize('' + value, 'number');
+  if (isBoolean(value))
+    return ctx.stylize('' + value, 'boolean');
+  // For some reason typeof null is "object", so special case here.
+  if (isNull(value))
+    return ctx.stylize('null', 'null');
+}
+
+
+function formatError(value) {
+  return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+  var output = [];
+  for (var i = 0, l = value.length; i < l; ++i) {
+    if (hasOwnProperty(value, String(i))) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          String(i), true));
+    } else {
+      output.push('');
+    }
+  }
+  keys.forEach(function(key) {
+    if (!key.match(/^\d+$/)) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          key, true));
+    }
+  });
+  return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+  var name, str, desc;
+  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+  if (desc.get) {
+    if (desc.set) {
+      str = ctx.stylize('[Getter/Setter]', 'special');
+    } else {
+      str = ctx.stylize('[Getter]', 'special');
+    }
+  } else {
+    if (desc.set) {
+      str = ctx.stylize('[Setter]', 'special');
+    }
+  }
+  if (!hasOwnProperty(visibleKeys, key)) {
+    name = '[' + key + ']';
+  }
+  if (!str) {
+    if (ctx.seen.indexOf(desc.value) < 0) {
+      if (isNull(recurseTimes)) {
+        str = formatValue(ctx, desc.value, null);
+      } else {
+        str = formatValue(ctx, desc.value, recurseTimes - 1);
+      }
+      if (str.indexOf('\n') > -1) {
+        if (array) {
+          str = str.split('\n').map(function(line) {
+            return '  ' + line;
+          }).join('\n').substr(2);
+        } else {
+          str = '\n' + str.split('\n').map(function(line) {
+            return '   ' + line;
+          }).join('\n');
+        }
+      }
+    } else {
+      str = ctx.stylize('[Circular]', 'special');
+    }
+  }
+  if (isUndefined(name)) {
+    if (array && key.match(/^\d+$/)) {
+      return str;
+    }
+    name = JSON.stringify('' + key);
+    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+      name = name.substr(1, name.length - 2);
+      name = ctx.stylize(name, 'name');
+    } else {
+      name = name.replace(/'/g, "\\'")
+                 .replace(/\\"/g, '"')
+                 .replace(/(^"|"$)/g, "'");
+      name = ctx.stylize(name, 'string');
+    }
+  }
+
+  return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+  var numLinesEst = 0;
+  var length = output.reduce(function(prev, cur) {
+    numLinesEst++;
+    if (cur.indexOf('\n') >= 0) numLinesEst++;
+    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+  }, 0);
+
+  if (length > 60) {
+    return braces[0] +
+           (base === '' ? '' : base + '\n ') +
+           ' ' +
+           output.join(',\n  ') +
+           ' ' +
+           braces[1];
+  }
+
+  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+function isArray(ar) {
+  return Array.isArray(ar);
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return isObject(d) && objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return isObject(e) &&
+      (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('./support/isBuffer');
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
+
+
+function pad(n) {
+  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+              'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+  var d = new Date();
+  var time = [pad(d.getHours()),
+              pad(d.getMinutes()),
+              pad(d.getSeconds())].join(':');
+  return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function() {
+  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+};
+
+
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ *     prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function(origin, add) {
+  // Don't do anything if add isn't an object
+  if (!add || !isObject(add)) return origin;
+
+  var keys = Object.keys(add);
+  var i = keys.length;
+  while (i--) {
+    origin[keys[i]] = add[keys[i]];
+  }
+  return origin;
+};
+
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
diff --git a/node_modules/assert/package.json b/node_modules/assert/package.json
new file mode 100644
index 00000000..faf7ad84
--- /dev/null
+++ b/node_modules/assert/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "assert",
+  "description": "The node.js assert module, re-packaged for web browsers.",
+  "version": "1.5.1",
+  "dependencies": {
+    "object.assign": "^4.1.4",
+    "util": "^0.10.4"
+  },
+  "devDependencies": {
+    "mocha": "~1.21.4",
+    "zuul": "~3.10.0",
+    "zuul-ngrok": "^4.0.0"
+  },
+  "homepage": "https://github.com/browserify/commonjs-assert",
+  "keywords": [
+    "assert",
+    "browser"
+  ],
+  "license": "MIT",
+  "main": "./assert.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/browserify/commonjs-assert.git"
+  },
+  "scripts": {
+    "browser-local": "zuul --no-coverage --local 8000 -- test.js",
+    "test": "npm run test-node && npm run test-browser",
+    "test-browser": "zuul -- test.js",
+    "test-native": "TEST_NATIVE=true mocha --ui qunit test.js",
+    "test-node": "mocha --ui qunit test.js"
+  }
+}
diff --git a/node_modules/assert/test.js b/node_modules/assert/test.js
new file mode 100644
index 00000000..8ad82923
--- /dev/null
+++ b/node_modules/assert/test.js
@@ -0,0 +1,360 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var nodeAssert = require('assert');
+var ourAssert = require('./');
+var keys = Object.keys;
+if (process.env.TEST_NATIVE === true) {
+  tests(nodeAssert, 'node assert');
+} else {
+  tests(ourAssert, 'our assert');
+}
+
+function makeBlock(f) {
+  var args = Array.prototype.slice.call(arguments, 1);
+  return function() {
+    return f.apply(this, args);
+  };
+}
+
+function tests (assert, what) {
+    test('assert.ok', function () {
+      assert.throws(makeBlock(assert, false), assert.AssertionError, 'ok(false)');
+
+      assert.doesNotThrow(makeBlock(assert, true), assert.AssertionError, 'ok(true)');
+
+      assert.doesNotThrow(makeBlock(assert, 'test', 'ok(\'test\')'));
+
+      assert.throws(makeBlock(assert.ok, false),
+                    assert.AssertionError, 'ok(false)');
+
+      assert.doesNotThrow(makeBlock(assert.ok, true),
+                          assert.AssertionError, 'ok(true)');
+
+      assert.doesNotThrow(makeBlock(assert.ok, 'test'), 'ok(\'test\')');
+    });
+
+    test('assert.equal', function () {
+      assert.throws(makeBlock(assert.equal, true, false), assert.AssertionError, 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.equal, null, null), 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.equal, undefined, undefined), 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.equal, null, undefined), 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.equal, true, true), 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.equal, 2, '2'), 'equal');
+
+      assert.doesNotThrow(makeBlock(assert.notEqual, true, false), 'notEqual');
+
+      assert.throws(makeBlock(assert.notEqual, true, true),
+                    assert.AssertionError, 'notEqual');
+    });
+
+    test('assert.strictEqual', function () {
+      assert.throws(makeBlock(assert.strictEqual, 2, '2'),
+                    assert.AssertionError, 'strictEqual');
+
+      assert.throws(makeBlock(assert.strictEqual, null, undefined),
+                    assert.AssertionError, 'strictEqual');
+
+      assert.doesNotThrow(makeBlock(assert.notStrictEqual, 2, '2'), 'notStrictEqual');
+    });
+
+    test('assert.deepStrictEqual', function () {
+      assert.throws(makeBlock(assert.deepStrictEqual, [2], ['2']),
+                    assert.AssertionError, 'deepStrictEqual');
+
+      assert.throws(makeBlock(assert.deepStrictEqual, [null], [undefined]),
+                    assert.AssertionError, 'deepStrictEqual');
+
+      assert.doesNotThrow(makeBlock(assert.notDeepStrictEqual, [2], ['2']), 'notDeepStrictEqual');
+    });
+
+    test('assert.deepEqual - 7.2', function () {
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new Date(2000, 3, 14),
+                          new Date(2000, 3, 14)), 'deepEqual date');
+
+      assert.throws(makeBlock(assert.deepEqual, new Date(), new Date(2000, 3, 14)),
+                    assert.AssertionError,
+                    'deepEqual date');
+    });
+
+    test('assert.deepEqual - 7.3', function () {
+      assert.doesNotThrow(makeBlock(assert.deepEqual, /a/, /a/));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, /a/g, /a/g));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, /a/i, /a/i));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, /a/m, /a/m));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, /a/igm, /a/igm));
+      assert.throws(makeBlock(assert.deepEqual, /ab/, /a/));
+      assert.throws(makeBlock(assert.deepEqual, /a/g, /a/));
+      assert.throws(makeBlock(assert.deepEqual, /a/i, /a/));
+      assert.throws(makeBlock(assert.deepEqual, /a/m, /a/));
+      assert.throws(makeBlock(assert.deepEqual, /a/igm, /a/im));
+
+      var re1 = /a/;
+      re1.lastIndex = 3;
+      assert.throws(makeBlock(assert.deepEqual, re1, /a/));
+    });
+
+    test('assert.deepEqual - 7.4', function () {
+      assert.doesNotThrow(makeBlock(assert.deepEqual, 4, '4'), 'deepEqual == check');
+      assert.doesNotThrow(makeBlock(assert.deepEqual, true, 1), 'deepEqual == check');
+      assert.throws(makeBlock(assert.deepEqual, 4, '5'),
+                assert.AssertionError,
+                'deepEqual == check');
+    });
+
+    test('assert.deepEqual - 7.5', function () {
+      // having the same number of owned properties && the same set of keys
+      assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4}, {a: 4}));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4, b: '2'}, {a: 4, b: '2'}));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, [4], ['4']));
+      assert.throws(makeBlock(assert.deepEqual, {a: 4}, {a: 4, b: true}),
+                assert.AssertionError);
+      assert.doesNotThrow(makeBlock(assert.deepEqual, ['a'], {0: 'a'}));
+      //(although not necessarily the same order),
+      assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4, b: '1'}, {b: '1', a: 4}));
+      var a1 = [1, 2, 3];
+      var a2 = [1, 2, 3];
+      a1.a = 'test';
+      a1.b = true;
+      a2.b = true;
+      a2.a = 'test';
+      assert.throws(makeBlock(assert.deepEqual, keys(a1), keys(a2)),
+                assert.AssertionError);
+      assert.doesNotThrow(makeBlock(assert.deepEqual, a1, a2));
+    });
+
+    test('assert.deepEqual - ES6 primitives', function () {
+      assert.throws(makeBlock(assert.deepEqual, null, {}), assert.AssertionError);
+      assert.throws(makeBlock(assert.deepEqual, undefined, {}), assert.AssertionError);
+      assert.throws(makeBlock(assert.deepEqual, 'a', ['a']), assert.AssertionError);
+      assert.throws(makeBlock(assert.deepEqual, 'a', {0: 'a'}), assert.AssertionError);
+      assert.throws(makeBlock(assert.deepEqual, 1, {}), assert.AssertionError);
+      assert.throws(makeBlock(assert.deepEqual, true, {}), assert.AssertionError);
+      if (typeof Symbol === 'symbol') {
+        assert.throws(makeBlock(assert.deepEqual, Symbol(), {}), assert.AssertionError);
+      }
+    });
+
+    test('assert.deepEqual - object wrappers', function () {
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), ['a']));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), {0: 'a'}));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new Number(1), {}));
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new Boolean(true), {}));
+    });
+
+    test('assert.deepEqual - Buffers', function () {
+      assert.doesNotThrow(makeBlock(assert.deepEqual, new Buffer([1, 2, 3]), new Buffer([1, 2, 3])));
+      if (typeof global.Uint8Array === 'function') {
+        assert.throws(makeBlock(assert.deepEqual, new Buffer([1, 2, 3]), new Uint8Array([1, 2, 3])));
+      }
+      if (typeof global.Uint16Array === 'function') {
+        assert.doesNotThrow(makeBlock(assert.deepEqual, new Uint16Array([1, 2, 3]), new Uint16Array([1, 2, 3])));
+      }
+    });
+
+    function thrower(errorConstructor) {
+      throw new errorConstructor('test');
+    }
+
+    test('assert - testing the throwing', function () {
+      var aethrow = makeBlock(thrower, assert.AssertionError);
+      aethrow = makeBlock(thrower, assert.AssertionError);
+
+      // the basic calls work
+      assert.throws(makeBlock(thrower, assert.AssertionError),
+                    assert.AssertionError, 'message');
+      assert.throws(makeBlock(thrower, assert.AssertionError), assert.AssertionError);
+      assert.throws(makeBlock(thrower, assert.AssertionError));
+
+      // if not passing an error, catch all.
+      assert.throws(makeBlock(thrower, TypeError));
+
+      // when passing a type, only catch errors of the appropriate type
+      var threw = false;
+      try {
+        assert.throws(makeBlock(thrower, TypeError), assert.AssertionError);
+      } catch (e) {
+        threw = true;
+        assert.ok(e instanceof TypeError, 'type');
+      }
+      assert.equal(true, threw,
+                   'a.throws with an explicit error is eating extra errors',
+                   assert.AssertionError);
+      threw = false;
+
+      // doesNotThrow should pass through all errors
+      try {
+        assert.doesNotThrow(makeBlock(thrower, TypeError), assert.AssertionError);
+      } catch (e) {
+        threw = true;
+        assert.ok(e instanceof TypeError);
+      }
+      assert.equal(true, threw,
+                   'a.doesNotThrow with an explicit error is eating extra errors');
+
+      // key difference is that throwing our correct error makes an assertion error
+      try {
+        assert.doesNotThrow(makeBlock(thrower, TypeError), TypeError);
+      } catch (e) {
+        threw = true;
+        assert.ok(e instanceof assert.AssertionError);
+      }
+      assert.equal(true, threw,
+                   'a.doesNotThrow is not catching type matching errors');
+    });
+
+    test('assert.ifError', function () {
+      assert.throws(function() {assert.ifError(new Error('test error'))});
+      assert.doesNotThrow(function() {assert.ifError(null)});
+      assert.doesNotThrow(function() {assert.ifError()});
+    });
+
+    test('assert - make sure that validating using constructor really works', function () {
+      var threw = false;
+      try {
+        assert.throws(
+            function() {
+              throw ({});
+            },
+            Array
+        );
+      } catch (e) {
+        threw = true;
+      }
+      assert.ok(threw, 'wrong constructor validation');
+    });
+
+    test('assert - use a RegExp to validate error message', function () {
+      assert.throws(makeBlock(thrower, TypeError), /test/);
+    });
+
+    test('assert - use a fn to validate error object', function () {
+      assert.throws(makeBlock(thrower, TypeError), function(err) {
+        if ((err instanceof TypeError) && /test/.test(err)) {
+          return true;
+        }
+      });
+    });
+
+    test('assert - make sure deepEqual doesn\'t loop forever on circular refs', function () {
+      var b = {};
+      b.b = b;
+
+      var c = {};
+      c.b = c;
+
+      var gotError = false;
+      var equal = true;
+      try {
+        equal = assert.deepEqual(b, c);
+      } catch (e) {
+        gotError = true;
+      }
+      assert.ok(gotError || !equal, gotError ? 'got error': 'are equal');
+    });
+
+    test('assert - ensure reflexivity of deepEqual with `arguments` objects', function() {
+        var args = (function() { return arguments; })();
+        assert.throws(makeBlock(assert.deepEqual, [], args), assert.AssertionError);
+        assert.throws(makeBlock(assert.deepEqual, args, []), assert.AssertionError);
+    });
+
+    test('assert - test assertion message', function () {
+      function testAssertionMessage(actual, expected) {
+        try {
+          assert.equal(actual, '');
+        } catch (e) {
+          assert.equal(e.toString(),
+              ['AssertionError:', expected, '==', '\'\''].join(' '));
+        }
+      }
+      testAssertionMessage(undefined, 'undefined');
+      testAssertionMessage(null, 'null');
+      testAssertionMessage(true, 'true');
+      testAssertionMessage(false, 'false');
+      testAssertionMessage(0, '0');
+      testAssertionMessage(100, '100');
+      testAssertionMessage(NaN, 'NaN');
+      testAssertionMessage(Infinity, 'Infinity');
+      testAssertionMessage(-Infinity, '-Infinity');
+      testAssertionMessage('', '""');
+      testAssertionMessage('foo', '\'foo\'');
+      testAssertionMessage([], '[]');
+      testAssertionMessage([1, 2, 3], '[ 1, 2, 3 ]');
+      testAssertionMessage(new Buffer([1, 2, 3]), '<Buffer 01 02 03>');
+      if (typeof global.Uint8Array === 'function' && Object.getOwnPropertyNames( new Uint8Array([])).length === 0) {
+        // todo fix util.inspect
+        testAssertionMessage(new Uint8Array([1, 2, 3]), '{ \'0\': 1, \'1\': 2, \'2\': 3 }');
+      }
+      testAssertionMessage(/a/, '/a/');
+      testAssertionMessage(function f() {}, '[Function: f]');
+      testAssertionMessage({}, '{}');
+      testAssertionMessage({a: undefined, b: null}, '{ a: undefined, b: null }');
+      testAssertionMessage({a: NaN, b: Infinity, c: -Infinity},
+          '{ a: NaN, b: Infinity, c: -Infinity }');
+    });
+
+    test('assert - regressions from node.js testcase', function () {
+      var threw = false;
+
+      try {
+        assert.throws(function () {
+          assert.ifError(null);
+        });
+      } catch (e) {
+        threw = true;
+        assert.equal(e.message, 'Missing expected exception..');
+      }
+      assert.ok(threw);
+
+      try {
+        assert.equal(1, 2);
+      } catch (e) {
+        assert.equal(e.toString().split('\n')[0], 'AssertionError: 1 == 2');
+      }
+
+      try {
+        assert.equal(1, 2, 'oh no');
+      } catch (e) {
+        assert.equal(e.toString().split('\n')[0], 'AssertionError: oh no');
+      }
+    });
+
+    test('assert - strict mode', function () {
+      var assertStrict = assert.strict;
+
+      assertStrict.throws(makeBlock(assertStrict.equal, 1, true), assertStrict.AssertionError);
+      assertStrict.notEqual(0, false);
+      assertStrict.throws(makeBlock(assertStrict.deepEqual, 1, true), assertStrict.AssertionError);
+      assertStrict.notDeepEqual(0, false);
+      assertStrict.equal(assertStrict.strict, assertStrict.strict.strict);
+      assertStrict.equal(assertStrict.equal, assertStrict.strictEqual);
+      assertStrict.equal(assertStrict.deepEqual, assertStrict.deepStrictEqual);
+      assertStrict.equal(assertStrict.notEqual, assertStrict.notStrictEqual);
+      assertStrict.equal(assertStrict.notDeepEqual, assertStrict.notDeepStrictEqual);
+      assertStrict.equal(Object.keys(assertStrict).length, Object.keys(assert).length);
+    });
+}
diff --git a/node_modules/assign-symbols/LICENSE b/node_modules/assign-symbols/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/assign-symbols/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/assign-symbols/README.md b/node_modules/assign-symbols/README.md
new file mode 100644
index 00000000..422729d4
--- /dev/null
+++ b/node_modules/assign-symbols/README.md
@@ -0,0 +1,73 @@
+# assign-symbols [![NPM version](https://badge.fury.io/js/assign-symbols.svg)](http://badge.fury.io/js/assign-symbols)
+
+> Assign the enumerable es6 Symbol properties from an object (or objects) to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
+
+From the [Mozilla Developer docs for Symbol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol):
+
+> A symbol is a unique and immutable data type and may be used as an identifier for object properties. The symbol object is an implicit object wrapper for the symbol primitive data type.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i assign-symbols --save
+```
+
+## Usage
+
+```js
+var assignSymbols = require('assign-symbols');
+var obj = {};
+
+var one = {};
+var symbolOne = Symbol('aaa');
+one[symbolOne] = 'bbb';
+
+var two = {};
+var symbolTwo = Symbol('ccc');
+two[symbolTwo] = 'ddd';
+
+assignSymbols(obj, one, two);
+
+console.log(obj[symbolOne]);
+//=> 'bbb'
+console.log(obj[symbolTwo]);
+//=> 'ddd'
+```
+
+## Similar projects
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties of source objects to a destination object. | [homepage](https://github.com/jonschlinkert/assign-deep)
+* [clone-deep](https://www.npmjs.com/package/clone-deep): Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives. | [homepage](https://github.com/jonschlinkert/clone-deep)
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow)
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/assign-symbols/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on November 06, 2015._
\ No newline at end of file
diff --git a/node_modules/assign-symbols/index.js b/node_modules/assign-symbols/index.js
new file mode 100644
index 00000000..c08a232b
--- /dev/null
+++ b/node_modules/assign-symbols/index.js
@@ -0,0 +1,40 @@
+/*!
+ * assign-symbols <https://github.com/jonschlinkert/assign-symbols>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function(receiver, objects) {
+  if (receiver === null || typeof receiver === 'undefined') {
+    throw new TypeError('expected first argument to be an object.');
+  }
+
+  if (typeof objects === 'undefined' || typeof Symbol === 'undefined') {
+    return receiver;
+  }
+
+  if (typeof Object.getOwnPropertySymbols !== 'function') {
+    return receiver;
+  }
+
+  var isEnumerable = Object.prototype.propertyIsEnumerable;
+  var target = Object(receiver);
+  var len = arguments.length, i = 0;
+
+  while (++i < len) {
+    var provider = Object(arguments[i]);
+    var names = Object.getOwnPropertySymbols(provider);
+
+    for (var j = 0; j < names.length; j++) {
+      var key = names[j];
+
+      if (isEnumerable.call(provider, key)) {
+        target[key] = provider[key];
+      }
+    }
+  }
+  return target;
+};
diff --git a/node_modules/assign-symbols/package.json b/node_modules/assign-symbols/package.json
new file mode 100644
index 00000000..7f77b58d
--- /dev/null
+++ b/node_modules/assign-symbols/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "assign-symbols",
+  "description": "Assign the enumerable es6 Symbol properties from an object (or objects) to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/assign-symbols",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/assign-symbols",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/assign-symbols/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "^3.0.0"
+  },
+  "keywords": [
+    "assign",
+    "symbols"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "assign-deep",
+        "mixin-deep",
+        "merge-deep",
+        "extend-shallow",
+        "clone-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/async-each/LICENSE b/node_modules/async-each/LICENSE
new file mode 100644
index 00000000..b4d4dec9
--- /dev/null
+++ b/node_modules/async-each/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Paul Miller (https://paulmillr.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/async-each/README.md b/node_modules/async-each/README.md
new file mode 100644
index 00000000..6b03be4a
--- /dev/null
+++ b/node_modules/async-each/README.md
@@ -0,0 +1,35 @@
+# async-each
+
+No-bullshit, ultra-simple, 40-lines-of-code async parallel forEach function for JavaScript.
+
+We don't need junky 30K async libs. Really.
+
+For browsers and node.js.
+
+## Usage
+
+`npm install async-each` if you're using NPM.
+
+For browsers, just include async-each before your scripts and use global variable `asyncEach`
+
+* `each(array, iterator, callback)` — `Array`, `Function`, `(optional) Function`
+* `iterator(item, next)` receives current item and a callback that will mark the item as done. `next` callback receives optional `error, transformedItem` arguments.
+* `callback(error, transformedArray)` optionally receives first error and transformed result `Array`.
+
+```javascript
+var each = require('async-each');
+each(['a.js', 'b.js', 'c.js'], fs.readFile, function(error, contents) {
+  if (error) console.error(error);
+  console.log('Contents for a, b and c:', contents);
+});
+
+asyncEach(list, fn, callback); // use global var in browser
+```
+
+## License
+
+The MIT License (MIT)
+
+Copyright (c) 2016 Paul Miller [(paulmillr.com)](https://paulmillr.com)
+
+See [LICENSE](https://github.com/paulmillr/async-each/blob/master/LICENSE) file.
diff --git a/node_modules/async-each/index.js b/node_modules/async-each/index.js
new file mode 100644
index 00000000..8806c5fd
--- /dev/null
+++ b/node_modules/async-each/index.js
@@ -0,0 +1,39 @@
+/*! async-each - MIT License (c) 2016 Paul Miller (paulmillr.com) */
+(function (globals) {
+  'use strict';
+  var each = function (items, next, callback) {
+    if (!Array.isArray(items)) throw new TypeError('each() expects array as first argument');
+    if (typeof next !== 'function')
+      throw new TypeError('each() expects function as second argument');
+    if (typeof callback !== 'function') callback = Function.prototype; // no-op
+
+    var total = items.length;
+    if (total === 0) return callback(undefined, items);
+    var transformed = new Array(total);
+    var transformedCount = 0;
+    var returned = false;
+
+    items.forEach(function (item, index) {
+      next(item, function (error, transformedItem) {
+        if (returned) return;
+        if (error) {
+          returned = true;
+          return callback(error);
+        }
+        transformed[index] = transformedItem;
+        transformedCount += 1; // can't use index: last item could take more time
+        if (transformedCount === total) return callback(undefined, transformed);
+      });
+    });
+  };
+
+  if (typeof define !== 'undefined' && define.amd) {
+    define([], function () {
+      return each;
+    }); // RequireJS
+  } else if (typeof module !== 'undefined' && module.exports) {
+    module.exports = each; // CommonJS
+  } else {
+    globals.asyncEach = each; // <script>
+  }
+})(this);
diff --git a/node_modules/async-each/package.json b/node_modules/async-each/package.json
new file mode 100644
index 00000000..691c5808
--- /dev/null
+++ b/node_modules/async-each/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "async-each",
+  "description": "No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.",
+  "version": "1.0.6",
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/paulmillr/async-each/",
+  "author": "Paul Miller (https://paulmillr.com/)",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/paulmillr/async-each.git"
+  },
+  "main": "index.js",
+  "dependencies": {},
+  "keywords": [
+    "async",
+    "forEach",
+    "each",
+    "map",
+    "asynchronous",
+    "iteration",
+    "iterate",
+    "loop",
+    "parallel",
+    "concurrent",
+    "array",
+    "flow",
+    "control flow"
+  ],
+  "funding": [
+    {
+      "type": "individual",
+      "url": "https://paulmillr.com/funding/"
+    }
+  ]
+}
diff --git a/node_modules/atob/LICENSE b/node_modules/atob/LICENSE
new file mode 100644
index 00000000..2d9338bd
--- /dev/null
+++ b/node_modules/atob/LICENSE
@@ -0,0 +1,230 @@
+At your option you may choose either of the following licenses:
+
+  * The MIT License (MIT)
+  * The Apache License 2.0 (Apache-2.0)
+
+
+The MIT License (MIT)
+
+Copyright (c) 2015 AJ ONeal
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
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diff --git a/node_modules/atob/LICENSE.DOCS b/node_modules/atob/LICENSE.DOCS
new file mode 100644
index 00000000..1d658d6d
--- /dev/null
+++ b/node_modules/atob/LICENSE.DOCS
@@ -0,0 +1,319 @@
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diff --git a/node_modules/atob/README.md b/node_modules/atob/README.md
new file mode 100644
index 00000000..e15ef86b
--- /dev/null
+++ b/node_modules/atob/README.md
@@ -0,0 +1,49 @@
+atob
+===
+
+| **atob**
+| [btoa](https://git.coolaj86.com/coolaj86/btoa.js)
+| [unibabel.js](https://git.coolaj86.com/coolaj86/unibabel.js)
+| Sponsored by [ppl](https://ppl.family)
+
+Uses `Buffer` to emulate the exact functionality of the browser's atob.
+
+Note: Unicode may be handled incorrectly (like the browser).
+
+It turns base64-encoded <strong>a</strong>scii data back **to** <strong>b</strong>inary.
+
+```javascript
+(function () {
+  "use strict";
+
+  var atob = require('atob');
+  var b64 = "SGVsbG8sIFdvcmxkIQ==";
+  var bin = atob(b64);
+
+  console.log(bin); // "Hello, World!"
+}());
+```
+
+### Need Unicode and Binary Support in the Browser?
+
+Check out [unibabel.js](https://git.coolaj86.com/coolaj86/unibabel.js)
+
+Changelog
+=======
+
+  * v2.1.0 address a few issues and PRs, update URLs
+  * v2.0.0 provide browser version for ios web workers
+  * v1.2.0 provide (empty) browser version
+  * v1.1.3 add MIT license
+  * v1.1.2 node only
+
+LICENSE
+=======
+
+Code copyright 2012-2018 AJ ONeal
+
+Dual-licensed MIT and Apache-2.0
+
+Docs copyright 2012-2018 AJ ONeal
+
+Docs released under [Creative Commons](https://git.coolaj86.com/coolaj86/atob.js/blob/master/LICENSE.DOCS).
diff --git a/node_modules/atob/bin/atob.js b/node_modules/atob/bin/atob.js
new file mode 100644
index 00000000..a56ac2ec
--- /dev/null
+++ b/node_modules/atob/bin/atob.js
@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+'use strict';
+
+var atob = require('../node-atob');
+var str = process.argv[2];
+console.log(atob(str));
diff --git a/node_modules/atob/bower.json b/node_modules/atob/bower.json
new file mode 100644
index 00000000..e3ef66e2
--- /dev/null
+++ b/node_modules/atob/bower.json
@@ -0,0 +1,24 @@
+{
+  "name": "atob",
+  "description": "atob for isomorphic environments",
+  "main": "browser-atob.js",
+  "authors": [
+    "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com)"
+  ],
+  "license": "(MIT OR Apache-2.0)",
+  "keywords": [
+    "atob",
+    "browser"
+  ],
+  "homepage": "https://github.com/node-browser-compat/atob",
+  "moduleType": [
+    "globals"
+  ],
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests"
+  ]
+}
diff --git a/node_modules/atob/browser-atob.js b/node_modules/atob/browser-atob.js
new file mode 100644
index 00000000..af4f357b
--- /dev/null
+++ b/node_modules/atob/browser-atob.js
@@ -0,0 +1,44 @@
+(function (w) {
+  "use strict";
+
+  function findBest(atobNative) {
+    // normal window
+    if ('function' === typeof atobNative) { return atobNative; }
+
+
+    // browserify (web worker)
+    if ('function' === typeof Buffer) {
+      return function atobBrowserify(a) {
+        //!! Deliberately using an API that's deprecated in node.js because
+        //!! this file is for browsers and we expect them to cope with it.
+        //!! Discussion: github.com/node-browser-compat/atob/pull/9
+        return new Buffer(a, 'base64').toString('binary');
+      };
+    }
+
+    // ios web worker with base64js
+    if ('object' === typeof w.base64js) {
+      // bufferToBinaryString
+      // https://git.coolaj86.com/coolaj86/unibabel.js/blob/master/index.js#L50
+      return function atobWebWorker_iOS(a) {
+        var buf = w.base64js.b64ToByteArray(a);
+        return Array.prototype.map.call(buf, function (ch) {
+          return String.fromCharCode(ch);
+        }).join('');
+      };
+    }
+
+		return function () {
+			// ios web worker without base64js
+			throw new Error("You're probably in an old browser or an iOS webworker." +
+				" It might help to include beatgammit's base64-js.");
+    };
+  }
+
+  var atobBest = findBest(w.atob);
+  w.atob = atobBest;
+
+  if ((typeof module === 'object') && module && module.exports) {
+    module.exports = atobBest;
+  }
+}(window));
diff --git a/node_modules/atob/node-atob.js b/node_modules/atob/node-atob.js
new file mode 100644
index 00000000..d7305a32
--- /dev/null
+++ b/node_modules/atob/node-atob.js
@@ -0,0 +1,7 @@
+"use strict";
+
+function atob(str) {
+  return Buffer.from(str, 'base64').toString('binary');
+}
+
+module.exports = atob.atob = atob;
diff --git a/node_modules/atob/package.json b/node_modules/atob/package.json
new file mode 100644
index 00000000..79bfd9ba
--- /dev/null
+++ b/node_modules/atob/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "atob",
+  "homepage": "https://git.coolaj86.com/coolaj86/atob.js.git",
+  "description": "atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)",
+  "repository": {
+    "type": "git",
+    "url": "git://git.coolaj86.com/coolaj86/atob.js.git"
+  },
+  "keywords": [
+    "atob",
+    "browser"
+  ],
+  "author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com)",
+  "engines": {
+    "node": ">= 4.5.0"
+  },
+  "main": "node-atob.js",
+  "browser": "browser-atob.js",
+  "bin": {
+    "atob": "bin/atob.js"
+  },
+  "license": "(MIT OR Apache-2.0)",
+  "version": "2.1.2"
+}
diff --git a/node_modules/atob/test.js b/node_modules/atob/test.js
new file mode 100644
index 00000000..bd80a4ea
--- /dev/null
+++ b/node_modules/atob/test.js
@@ -0,0 +1,18 @@
+(function () {
+  "use strict";
+
+  var atob = require('.');
+  var encoded = "SGVsbG8sIFdvcmxkIQ=="
+  var unencoded = "Hello, World!";
+  /*
+    , encoded = "SGVsbG8sIBZM"
+    , unencoded = "Hello, 世界"
+  */
+
+  if (unencoded !== atob(encoded)) {
+    console.log('[FAIL]', unencoded, atob(encoded));
+    return;
+  }
+
+  console.log('[PASS] all tests pass');
+}());
diff --git a/node_modules/babel-plugin-syntax-dynamic-import/.npmignore b/node_modules/babel-plugin-syntax-dynamic-import/.npmignore
new file mode 100644
index 00000000..cace0d6d
--- /dev/null
+++ b/node_modules/babel-plugin-syntax-dynamic-import/.npmignore
@@ -0,0 +1,3 @@
+node_modules
+*.log
+src
diff --git a/node_modules/babel-plugin-syntax-dynamic-import/README.md b/node_modules/babel-plugin-syntax-dynamic-import/README.md
new file mode 100644
index 00000000..47279fcd
--- /dev/null
+++ b/node_modules/babel-plugin-syntax-dynamic-import/README.md
@@ -0,0 +1,35 @@
+# babel-plugin-syntax-dynamic-import
+
+Allow parsing of `import()`.
+
+## Installation
+
+```sh
+$ npm install babel-plugin-syntax-dynamic-import
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "plugins": ["syntax-dynamic-import"]
+}
+```
+
+### Via CLI
+
+```sh
+$ babel --plugins syntax-dynamic-import script.js
+```
+
+### Via Node API
+
+```javascript
+require("babel-core").transform("code", {
+  plugins: ["syntax-dynamic-import"]
+});
+```
diff --git a/node_modules/babel-plugin-syntax-dynamic-import/lib/index.js b/node_modules/babel-plugin-syntax-dynamic-import/lib/index.js
new file mode 100644
index 00000000..3098d524
--- /dev/null
+++ b/node_modules/babel-plugin-syntax-dynamic-import/lib/index.js
@@ -0,0 +1,13 @@
+"use strict";
+
+exports.__esModule = true;
+
+exports.default = function () {
+  return {
+    manipulateOptions: function manipulateOptions(opts, parserOpts) {
+      parserOpts.plugins.push("dynamicImport");
+    }
+  };
+};
+
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/node_modules/babel-plugin-syntax-dynamic-import/package.json b/node_modules/babel-plugin-syntax-dynamic-import/package.json
new file mode 100644
index 00000000..4ef935f7
--- /dev/null
+++ b/node_modules/babel-plugin-syntax-dynamic-import/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "babel-plugin-syntax-dynamic-import",
+  "version": "6.18.0",
+  "description": "Allow parsing of import()",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-dynamic-import",
+  "license": "MIT",
+  "main": "lib/index.js",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "dependencies": {},
+  "devDependencies": {}
+}
diff --git a/node_modules/balanced-match/.github/FUNDING.yml b/node_modules/balanced-match/.github/FUNDING.yml
new file mode 100644
index 00000000..cea8b16e
--- /dev/null
+++ b/node_modules/balanced-match/.github/FUNDING.yml
@@ -0,0 +1,2 @@
+tidelift: "npm/balanced-match"
+patreon: juliangruber
diff --git a/node_modules/balanced-match/LICENSE.md b/node_modules/balanced-match/LICENSE.md
new file mode 100644
index 00000000..2cdc8e41
--- /dev/null
+++ b/node_modules/balanced-match/LICENSE.md
@@ -0,0 +1,21 @@
+(MIT)
+
+Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/balanced-match/README.md b/node_modules/balanced-match/README.md
new file mode 100644
index 00000000..d2a48b6b
--- /dev/null
+++ b/node_modules/balanced-match/README.md
@@ -0,0 +1,97 @@
+# balanced-match
+
+Match balanced string pairs, like `{` and `}` or `<b>` and `</b>`. Supports regular expressions as well!
+
+[![build status](https://secure.travis-ci.org/juliangruber/balanced-match.svg)](http://travis-ci.org/juliangruber/balanced-match)
+[![downloads](https://img.shields.io/npm/dm/balanced-match.svg)](https://www.npmjs.org/package/balanced-match)
+
+[![testling badge](https://ci.testling.com/juliangruber/balanced-match.png)](https://ci.testling.com/juliangruber/balanced-match)
+
+## Example
+
+Get the first matching pair of braces:
+
+```js
+var balanced = require('balanced-match');
+
+console.log(balanced('{', '}', 'pre{in{nested}}post'));
+console.log(balanced('{', '}', 'pre{first}between{second}post'));
+console.log(balanced(/\s+\{\s+/, /\s+\}\s+/, 'pre  {   in{nest}   }  post'));
+```
+
+The matches are:
+
+```bash
+$ node example.js
+{ start: 3, end: 14, pre: 'pre', body: 'in{nested}', post: 'post' }
+{ start: 3,
+  end: 9,
+  pre: 'pre',
+  body: 'first',
+  post: 'between{second}post' }
+{ start: 3, end: 17, pre: 'pre', body: 'in{nest}', post: 'post' }
+```
+
+## API
+
+### var m = balanced(a, b, str)
+
+For the first non-nested matching pair of `a` and `b` in `str`, return an
+object with those keys:
+
+* **start** the index of the first match of `a`
+* **end** the index of the matching `b`
+* **pre** the preamble, `a` and `b` not included
+* **body** the match, `a` and `b` not included
+* **post** the postscript, `a` and `b` not included
+
+If there's no match, `undefined` will be returned.
+
+If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `['{', 'a', '']` and `{a}}` will match `['', 'a', '}']`.
+
+### var r = balanced.range(a, b, str)
+
+For the first non-nested matching pair of `a` and `b` in `str`, return an
+array with indexes: `[ <a index>, <b index> ]`.
+
+If there's no match, `undefined` will be returned.
+
+If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `[ 1, 3 ]` and `{a}}` will match `[0, 2]`.
+
+## Installation
+
+With [npm](https://npmjs.org) do:
+
+```bash
+npm install balanced-match
+```
+
+## Security contact information
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
+
+## License
+
+(MIT)
+
+Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/balanced-match/index.js b/node_modules/balanced-match/index.js
new file mode 100644
index 00000000..c67a6460
--- /dev/null
+++ b/node_modules/balanced-match/index.js
@@ -0,0 +1,62 @@
+'use strict';
+module.exports = balanced;
+function balanced(a, b, str) {
+  if (a instanceof RegExp) a = maybeMatch(a, str);
+  if (b instanceof RegExp) b = maybeMatch(b, str);
+
+  var r = range(a, b, str);
+
+  return r && {
+    start: r[0],
+    end: r[1],
+    pre: str.slice(0, r[0]),
+    body: str.slice(r[0] + a.length, r[1]),
+    post: str.slice(r[1] + b.length)
+  };
+}
+
+function maybeMatch(reg, str) {
+  var m = str.match(reg);
+  return m ? m[0] : null;
+}
+
+balanced.range = range;
+function range(a, b, str) {
+  var begs, beg, left, right, result;
+  var ai = str.indexOf(a);
+  var bi = str.indexOf(b, ai + 1);
+  var i = ai;
+
+  if (ai >= 0 && bi > 0) {
+    if(a===b) {
+      return [ai, bi];
+    }
+    begs = [];
+    left = str.length;
+
+    while (i >= 0 && !result) {
+      if (i == ai) {
+        begs.push(i);
+        ai = str.indexOf(a, i + 1);
+      } else if (begs.length == 1) {
+        result = [ begs.pop(), bi ];
+      } else {
+        beg = begs.pop();
+        if (beg < left) {
+          left = beg;
+          right = bi;
+        }
+
+        bi = str.indexOf(b, i + 1);
+      }
+
+      i = ai < bi && ai >= 0 ? ai : bi;
+    }
+
+    if (begs.length) {
+      result = [ left, right ];
+    }
+  }
+
+  return result;
+}
diff --git a/node_modules/balanced-match/package.json b/node_modules/balanced-match/package.json
new file mode 100644
index 00000000..ce6073e0
--- /dev/null
+++ b/node_modules/balanced-match/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "balanced-match",
+  "description": "Match balanced character pairs, like \"{\" and \"}\"",
+  "version": "1.0.2",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/balanced-match.git"
+  },
+  "homepage": "https://github.com/juliangruber/balanced-match",
+  "main": "index.js",
+  "scripts": {
+    "test": "tape test/test.js",
+    "bench": "matcha test/bench.js"
+  },
+  "devDependencies": {
+    "matcha": "^0.7.0",
+    "tape": "^4.6.0"
+  },
+  "keywords": [
+    "match",
+    "regexp",
+    "test",
+    "balanced",
+    "parse"
+  ],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/20..latest",
+      "firefox/nightly",
+      "chrome/25..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/base/LICENSE b/node_modules/base/LICENSE
new file mode 100644
index 00000000..e33d14b7
--- /dev/null
+++ b/node_modules/base/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/base/README.md b/node_modules/base/README.md
new file mode 100644
index 00000000..c77cdaf9
--- /dev/null
+++ b/node_modules/base/README.md
@@ -0,0 +1,491 @@
+<p align="center">
+  <a href="https://github.com/node-base/base">
+    <img height="250" width="250" src="https://raw.githubusercontent.com/node-base/base/master/docs/logo.png">
+  </a>
+</p>
+
+# base [![NPM version](https://img.shields.io/npm/v/base.svg?style=flat)](https://www.npmjs.com/package/base) [![NPM monthly downloads](https://img.shields.io/npm/dm/base.svg?style=flat)](https://npmjs.org/package/base)  [![NPM total downloads](https://img.shields.io/npm/dt/base.svg?style=flat)](https://npmjs.org/package/base) [![Linux Build Status](https://img.shields.io/travis/node-base/base.svg?style=flat&label=Travis)](https://travis-ci.org/node-base/base)
+
+> base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save base
+```
+
+## What is Base?
+
+Base is a framework for rapidly creating high quality node.js applications, using plugins like building blocks.
+
+### Guiding principles
+
+The core team follows these principles to help guide API decisions:
+
+* **Compact API surface**: The smaller the API surface, the easier the library will be to learn and use.
+* **Easy to extend**: Implementors can use any npm package, and write plugins in pure JavaScript. If you're building complex apps, Base simplifies inheritance.
+* **Easy to test**: No special setup should be required to unit test `Base` or base plugins
+
+### Minimal API surface
+
+[The API](#api) was designed to provide only the minimum necessary functionality for creating a useful application, with or without [plugins](#plugins).
+
+**Base core**
+
+Base itself ships with only a handful of [useful methods](#api), such as:
+
+* `.set`: for setting values on the instance
+* `.get`: for getting values from the instance
+* `.has`: to check if a property exists on the instance
+* `.define`: for setting non-enumerable values on the instance
+* `.use`: for adding plugins
+
+**Be generic**
+
+When deciding on method to add or remove, we try to answer these questions:
+
+1. Will all or most Base applications need this method?
+2. Will this method encourage practices or enforce conventions that are beneficial to implementors?
+3. Can or should this be done in a plugin instead?
+
+### Composability
+
+**Plugin system**
+
+It couldn't be easier to extend Base with any features or custom functionality you can think of.
+
+Base plugins are just functions that take an instance of `Base`:
+
+```js
+var base = new Base();
+
+function plugin(base) {
+  // do plugin stuff, in pure JavaScript
+}
+// use the plugin
+base.use(plugin);
+```
+
+**Inheritance**
+
+Easily inherit Base using `.extend`:
+
+```js
+var Base = require('base');
+
+function MyApp() {
+  Base.call(this);
+}
+Base.extend(MyApp);
+
+var app = new MyApp();
+app.set('a', 'b');
+app.get('a');
+//=> 'b';
+```
+
+**Inherit or instantiate with a namespace**
+
+By default, the `.get`, `.set` and `.has` methods set and get values from the root of the `base` instance. You can customize this using the `.namespace` method exposed on the exported function. For example:
+
+```js
+var Base = require('base');
+// get and set values on the `base.cache` object
+var base = Base.namespace('cache');
+
+var app = base();
+app.set('foo', 'bar');
+console.log(app.cache.foo);
+//=> 'bar'
+```
+
+## API
+
+**Usage**
+
+```js
+var Base = require('base');
+var app = new Base();
+app.set('foo', 'bar');
+console.log(app.foo);
+//=> 'bar'
+```
+
+### [Base](index.js#L44)
+
+Create an instance of `Base` with the given `config` and `options`.
+
+**Params**
+
+* `config` **{Object}**: If supplied, this object is passed to [cache-base](https://github.com/jonschlinkert/cache-base) to merge onto the the instance upon instantiation.
+* `options` **{Object}**: If supplied, this object is used to initialize the `base.options` object.
+
+**Example**
+
+```js
+// initialize with `config` and `options`
+var app = new Base({isApp: true}, {abc: true});
+app.set('foo', 'bar');
+
+// values defined with the given `config` object will be on the root of the instance
+console.log(app.baz); //=> undefined
+console.log(app.foo); //=> 'bar'
+// or use `.get`
+console.log(app.get('isApp')); //=> true
+console.log(app.get('foo')); //=> 'bar'
+
+// values defined with the given `options` object will be on `app.options
+console.log(app.options.abc); //=> true
+```
+
+### [.is](index.js#L107)
+
+Set the given `name` on `app._name` and `app.is*` properties. Used for doing lookups in plugins.
+
+**Params**
+
+* `name` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+app.is('foo');
+console.log(app._name);
+//=> 'foo'
+console.log(app.isFoo);
+//=> true
+app.is('bar');
+console.log(app.isFoo);
+//=> true
+console.log(app.isBar);
+//=> true
+console.log(app._name);
+//=> 'bar'
+```
+
+### [.isRegistered](index.js#L145)
+
+Returns true if a plugin has already been registered on an instance.
+
+Plugin implementors are encouraged to use this first thing in a plugin
+to prevent the plugin from being called more than once on the same
+instance.
+
+**Params**
+
+* `name` **{String}**: The plugin name.
+* `register` **{Boolean}**: If the plugin if not already registered, to record it as being registered pass `true` as the second argument.
+* `returns` **{Boolean}**: Returns true if a plugin is already registered.
+
+**Events**
+
+* `emits`: `plugin` Emits the name of the plugin being registered. Useful for unit tests, to ensure plugins are only registered once.
+
+**Example**
+
+```js
+var base = new Base();
+base.use(function(app) {
+  if (app.isRegistered('myPlugin')) return;
+  // do stuff to `app`
+});
+
+// to also record the plugin as being registered
+base.use(function(app) {
+  if (app.isRegistered('myPlugin', true)) return;
+  // do stuff to `app`
+});
+```
+
+### [.use](index.js#L175)
+
+Define a plugin function to be called immediately upon init. Plugins are chainable and expose the following arguments to the plugin function:
+
+* `app`: the current instance of `Base`
+* `base`: the [first ancestor instance](#base) of `Base`
+
+**Params**
+
+* `fn` **{Function}**: plugin function to call
+* `returns` **{Object}**: Returns the item instance for chaining.
+
+**Example**
+
+```js
+var app = new Base()
+  .use(foo)
+  .use(bar)
+  .use(baz)
+```
+
+### [.define](index.js#L197)
+
+The `.define` method is used for adding non-enumerable property on the instance. Dot-notation is **not supported** with `define`.
+
+**Params**
+
+* `key` **{String}**: The name of the property to define.
+* `value` **{any}**
+* `returns` **{Object}**: Returns the instance for chaining.
+
+**Example**
+
+```js
+// arbitrary `render` function using lodash `template`
+app.define('render', function(str, locals) {
+  return _.template(str)(locals);
+});
+```
+
+### [.mixin](index.js#L222)
+
+Mix property `key` onto the Base prototype. If base is inherited using `Base.extend` this method will be overridden by a new `mixin` method that will only add properties to the prototype of the inheriting application.
+
+**Params**
+
+* `key` **{String}**
+* `val` **{Object|Array}**
+* `returns` **{Object}**: Returns the `base` instance for chaining.
+
+**Example**
+
+```js
+app.mixin('foo', function() {
+  // do stuff
+});
+```
+
+### [.base](index.js#L268)
+
+Getter/setter used when creating nested instances of `Base`, for storing a reference to the first ancestor instance. This works by setting an instance of `Base` on the `parent` property of a "child" instance. The `base` property defaults to the current instance if no `parent` property is defined.
+
+**Example**
+
+```js
+// create an instance of `Base`, this is our first ("base") instance
+var first = new Base();
+first.foo = 'bar'; // arbitrary property, to make it easier to see what's happening later
+
+// create another instance
+var second = new Base();
+// create a reference to the first instance (`first`)
+second.parent = first;
+
+// create another instance
+var third = new Base();
+// create a reference to the previous instance (`second`)
+// repeat this pattern every time a "child" instance is created
+third.parent = second;
+
+// we can always access the first instance using the `base` property
+console.log(first.base.foo);
+//=> 'bar'
+console.log(second.base.foo);
+//=> 'bar'
+console.log(third.base.foo);
+//=> 'bar'
+// and now you know how to get to third base ;)
+```
+
+### [#use](index.js#L293)
+
+Static method for adding global plugin functions that will be added to an instance when created.
+
+**Params**
+
+* `fn` **{Function}**: Plugin function to use on each instance.
+* `returns` **{Object}**: Returns the `Base` constructor for chaining
+
+**Example**
+
+```js
+Base.use(function(app) {
+  app.foo = 'bar';
+});
+var app = new Base();
+console.log(app.foo);
+//=> 'bar'
+```
+
+### [#extend](index.js#L337)
+
+Static method for inheriting the prototype and static methods of the `Base` class. This method greatly simplifies the process of creating inheritance-based applications. See [static-extend](https://github.com/jonschlinkert/static-extend) for more details.
+
+**Params**
+
+* `Ctor` **{Function}**: constructor to extend
+* `methods` **{Object}**: Optional prototype properties to mix in.
+* `returns` **{Object}**: Returns the `Base` constructor for chaining
+
+**Example**
+
+```js
+var extend = cu.extend(Parent);
+Parent.extend(Child);
+
+// optional methods
+Parent.extend(Child, {
+  foo: function() {},
+  bar: function() {}
+});
+```
+
+### [#mixin](index.js#L379)
+
+Used for adding methods to the `Base` prototype, and/or to the prototype of child instances. When a mixin function returns a function, the returned function is pushed onto the `.mixins` array, making it available to be used on inheriting classes whenever `Base.mixins()` is called (e.g. `Base.mixins(Child)`).
+
+**Params**
+
+* `fn` **{Function}**: Function to call
+* `returns` **{Object}**: Returns the `Base` constructor for chaining
+
+**Example**
+
+```js
+Base.mixin(function(proto) {
+  proto.foo = function(msg) {
+    return 'foo ' + msg;
+  };
+});
+```
+
+### [#mixins](index.js#L401)
+
+Static method for running global mixin functions against a child constructor. Mixins must be registered before calling this method.
+
+**Params**
+
+* `Child` **{Function}**: Constructor function of a child class
+* `returns` **{Object}**: Returns the `Base` constructor for chaining
+
+**Example**
+
+```js
+Base.extend(Child);
+Base.mixins(Child);
+```
+
+### [#inherit](index.js#L420)
+
+Similar to `util.inherit`, but copies all static properties, prototype properties, and getters/setters from `Provider` to `Receiver`. See [class-utils](https://github.com/jonschlinkert/class-utils#inherit) for more details.
+
+**Params**
+
+* `Receiver` **{Function}**: Receiving (child) constructor
+* `Provider` **{Function}**: Providing (parent) constructor
+* `returns` **{Object}**: Returns the `Base` constructor for chaining
+
+**Example**
+
+```js
+Base.inherit(Foo, Bar);
+```
+
+## In the wild
+
+The following node.js applications were built with `Base`:
+
+* [assemble](https://github.com/assemble/assemble)
+* [verb](https://github.com/verbose/verb)
+* [generate](https://github.com/generate/generate)
+* [scaffold](https://github.com/jonschlinkert/scaffold)
+* [boilerplate](https://github.com/jonschlinkert/boilerplate)
+
+## Test coverage
+
+```
+Statements   : 98.91% ( 91/92 )
+Branches     : 92.86% ( 26/28 )
+Functions    : 100% ( 17/17 )
+Lines        : 98.9% ( 90/91 )
+```
+
+## History
+
+### v0.11.2
+
+* fixes https://github.com/micromatch/micromatch/issues/99
+
+### v0.11.0
+
+**Breaking changes**
+
+* Static `.use` and `.run` methods are now non-enumerable
+
+### v0.9.0
+
+**Breaking changes**
+
+* `.is` no longer takes a function, a string must be passed
+* all remaining `.debug` code has been removed
+* `app._namespace` was removed (related to `debug`)
+* `.plugin`, `.use`, and `.define` no longer emit events
+* `.assertPlugin` was removed
+* `.lazy` was removed
+
+## About
+
+### Related projects
+
+* [base-cwd](https://www.npmjs.com/package/base-cwd): Base plugin that adds a getter/setter for the current working directory. | [homepage](https://github.com/node-base/base-cwd "Base plugin that adds a getter/setter for the current working directory.")
+* [base-data](https://www.npmjs.com/package/base-data): adds a `data` method to base-methods. | [homepage](https://github.com/node-base/base-data "adds a `data` method to base-methods.")
+* [base-fs](https://www.npmjs.com/package/base-fs): base-methods plugin that adds vinyl-fs methods to your 'base' application for working with the file… [more](https://github.com/node-base/base-fs) | [homepage](https://github.com/node-base/base-fs "base-methods plugin that adds vinyl-fs methods to your 'base' application for working with the file system, like src, dest, copy and symlink.")
+* [base-generators](https://www.npmjs.com/package/base-generators): Adds project-generator support to your `base` application. | [homepage](https://github.com/node-base/base-generators "Adds project-generator support to your `base` application.")
+* [base-option](https://www.npmjs.com/package/base-option): Adds a few options methods to base, like `option`, `enable` and `disable`. See the readme… [more](https://github.com/node-base/base-option) | [homepage](https://github.com/node-base/base-option "Adds a few options methods to base, like `option`, `enable` and `disable`. See the readme for the full API.")
+* [base-pipeline](https://www.npmjs.com/package/base-pipeline): base-methods plugin that adds pipeline and plugin methods for dynamically composing streaming plugin pipelines. | [homepage](https://github.com/node-base/base-pipeline "base-methods plugin that adds pipeline and plugin methods for dynamically composing streaming plugin pipelines.")
+* [base-pkg](https://www.npmjs.com/package/base-pkg): Plugin for adding a `pkg` method that exposes pkg-store to your base application. | [homepage](https://github.com/node-base/base-pkg "Plugin for adding a `pkg` method that exposes pkg-store to your base application.")
+* [base-plugins](https://www.npmjs.com/package/base-plugins): Adds 'smart plugin' support to your base application. | [homepage](https://github.com/node-base/base-plugins "Adds 'smart plugin' support to your base application.")
+* [base-questions](https://www.npmjs.com/package/base-questions): Plugin for base-methods that adds methods for prompting the user and storing the answers on… [more](https://github.com/node-base/base-questions) | [homepage](https://github.com/node-base/base-questions "Plugin for base-methods that adds methods for prompting the user and storing the answers on a project-by-project basis.")
+* [base-store](https://www.npmjs.com/package/base-store): Plugin for getting and persisting config values with your base-methods application. Adds a 'store' object… [more](https://github.com/node-base/base-store) | [homepage](https://github.com/node-base/base-store "Plugin for getting and persisting config values with your base-methods application. Adds a 'store' object that exposes all of the methods from the data-store library. Also now supports sub-stores!")
+* [base-task](https://www.npmjs.com/package/base-task): base plugin that provides a very thin wrapper around [https://github.com/doowb/composer](https://github.com/doowb/composer) for adding task methods to… [more](https://github.com/node-base/base-task) | [homepage](https://github.com/node-base/base-task "base plugin that provides a very thin wrapper around <https://github.com/doowb/composer> for adding task methods to your application.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 141 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 30  | [doowb](https://github.com/doowb) |  
+| 3   | [charlike](https://github.com/charlike) |  
+| 1   | [criticalmash](https://github.com/criticalmash) |  
+| 1   | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |  
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on September 07, 2017._
\ No newline at end of file
diff --git a/node_modules/base/index.js b/node_modules/base/index.js
new file mode 100644
index 00000000..fb680481
--- /dev/null
+++ b/node_modules/base/index.js
@@ -0,0 +1,435 @@
+'use strict';
+
+var util = require('util');
+var define = require('define-property');
+var CacheBase = require('cache-base');
+var Emitter = require('component-emitter');
+var isObject = require('isobject');
+var merge = require('mixin-deep');
+var pascal = require('pascalcase');
+var cu = require('class-utils');
+
+/**
+ * Optionally define a custom `cache` namespace to use.
+ */
+
+function namespace(name) {
+  var Cache = name ? CacheBase.namespace(name) : CacheBase;
+  var fns = [];
+
+  /**
+   * Create an instance of `Base` with the given `config` and `options`.
+   *
+   * ```js
+   * // initialize with `config` and `options`
+   * var app = new Base({isApp: true}, {abc: true});
+   * app.set('foo', 'bar');
+   *
+   * // values defined with the given `config` object will be on the root of the instance
+   * console.log(app.baz); //=> undefined
+   * console.log(app.foo); //=> 'bar'
+   * // or use `.get`
+   * console.log(app.get('isApp')); //=> true
+   * console.log(app.get('foo')); //=> 'bar'
+   *
+   * // values defined with the given `options` object will be on `app.options
+   * console.log(app.options.abc); //=> true
+   * ```
+   *
+   * @param {Object} `config` If supplied, this object is passed to [cache-base][] to merge onto the the instance upon instantiation.
+   * @param {Object} `options` If supplied, this object is used to initialize the `base.options` object.
+   * @api public
+   */
+
+  function Base(config, options) {
+    if (!(this instanceof Base)) {
+      return new Base(config, options);
+    }
+    Cache.call(this, config);
+    this.is('base');
+    this.initBase(config, options);
+  }
+
+  /**
+   * Inherit cache-base
+   */
+
+  util.inherits(Base, Cache);
+
+  /**
+   * Add static emitter methods
+   */
+
+  Emitter(Base);
+
+  /**
+   * Initialize `Base` defaults with the given `config` object
+   */
+
+  Base.prototype.initBase = function(config, options) {
+    this.options = merge({}, this.options, options);
+    this.cache = this.cache || {};
+    this.define('registered', {});
+    if (name) this[name] = {};
+
+    // make `app._callbacks` non-enumerable
+    this.define('_callbacks', this._callbacks);
+    if (isObject(config)) {
+      this.visit('set', config);
+    }
+    Base.run(this, 'use', fns);
+  };
+
+  /**
+   * Set the given `name` on `app._name` and `app.is*` properties. Used for doing
+   * lookups in plugins.
+   *
+   * ```js
+   * app.is('foo');
+   * console.log(app._name);
+   * //=> 'foo'
+   * console.log(app.isFoo);
+   * //=> true
+   * app.is('bar');
+   * console.log(app.isFoo);
+   * //=> true
+   * console.log(app.isBar);
+   * //=> true
+   * console.log(app._name);
+   * //=> 'bar'
+   * ```
+   * @name .is
+   * @param {String} `name`
+   * @return {Boolean}
+   * @api public
+   */
+
+  Base.prototype.is = function(name) {
+    if (typeof name !== 'string') {
+      throw new TypeError('expected name to be a string');
+    }
+    this.define('is' + pascal(name), true);
+    this.define('_name', name);
+    this.define('_appname', name);
+    return this;
+  };
+
+  /**
+   * Returns true if a plugin has already been registered on an instance.
+   *
+   * Plugin implementors are encouraged to use this first thing in a plugin
+   * to prevent the plugin from being called more than once on the same
+   * instance.
+   *
+   * ```js
+   * var base = new Base();
+   * base.use(function(app) {
+   *   if (app.isRegistered('myPlugin')) return;
+   *   // do stuff to `app`
+   * });
+   *
+   * // to also record the plugin as being registered
+   * base.use(function(app) {
+   *   if (app.isRegistered('myPlugin', true)) return;
+   *   // do stuff to `app`
+   * });
+   * ```
+   * @name .isRegistered
+   * @emits `plugin` Emits the name of the plugin being registered. Useful for unit tests, to ensure plugins are only registered once.
+   * @param {String} `name` The plugin name.
+   * @param {Boolean} `register` If the plugin if not already registered, to record it as being registered pass `true` as the second argument.
+   * @return {Boolean} Returns true if a plugin is already registered.
+   * @api public
+   */
+
+  Base.prototype.isRegistered = function(name, register) {
+    if (this.registered.hasOwnProperty(name)) {
+      return true;
+    }
+    if (register !== false) {
+      this.registered[name] = true;
+      this.emit('plugin', name);
+    }
+    return false;
+  };
+
+  /**
+   * Define a plugin function to be called immediately upon init. Plugins are chainable
+   * and expose the following arguments to the plugin function:
+   *
+   * - `app`: the current instance of `Base`
+   * - `base`: the [first ancestor instance](#base) of `Base`
+   *
+   * ```js
+   * var app = new Base()
+   *   .use(foo)
+   *   .use(bar)
+   *   .use(baz)
+   * ```
+   * @name .use
+   * @param {Function} `fn` plugin function to call
+   * @return {Object} Returns the item instance for chaining.
+   * @api public
+   */
+
+  Base.prototype.use = function(fn) {
+    fn.call(this, this);
+    return this;
+  };
+
+  /**
+   * The `.define` method is used for adding non-enumerable property on the instance.
+   * Dot-notation is **not supported** with `define`.
+   *
+   * ```js
+   * // arbitrary `render` function using lodash `template`
+   * app.define('render', function(str, locals) {
+   *   return _.template(str)(locals);
+   * });
+   * ```
+   * @name .define
+   * @param {String} `key` The name of the property to define.
+   * @param {any} `value`
+   * @return {Object} Returns the instance for chaining.
+   * @api public
+   */
+
+  Base.prototype.define = function(key, val) {
+    if (isObject(key)) {
+      return this.visit('define', key);
+    }
+    define(this, key, val);
+    return this;
+  };
+
+  /**
+   * Mix property `key` onto the Base prototype. If base is inherited using
+   * `Base.extend` this method will be overridden by a new `mixin` method that will
+   * only add properties to the prototype of the inheriting application.
+   *
+   * ```js
+   * app.mixin('foo', function() {
+   *   // do stuff
+   * });
+   * ```
+   * @name .mixin
+   * @param {String} `key`
+   * @param {Object|Array} `val`
+   * @return {Object} Returns the `base` instance for chaining.
+   * @api public
+   */
+
+  Base.prototype.mixin = function(key, val) {
+    Base.prototype[key] = val;
+    return this;
+  };
+
+  /**
+   * Non-enumberable mixin array, used by the static [Base.mixin]() method.
+   */
+
+  Base.prototype.mixins = Base.prototype.mixins || [];
+
+  /**
+   * Getter/setter used when creating nested instances of `Base`, for storing a reference
+   * to the first ancestor instance. This works by setting an instance of `Base` on the `parent`
+   * property of a "child" instance. The `base` property defaults to the current instance if
+   * no `parent` property is defined.
+   *
+   * ```js
+   * // create an instance of `Base`, this is our first ("base") instance
+   * var first = new Base();
+   * first.foo = 'bar'; // arbitrary property, to make it easier to see what's happening later
+   *
+   * // create another instance
+   * var second = new Base();
+   * // create a reference to the first instance (`first`)
+   * second.parent = first;
+   *
+   * // create another instance
+   * var third = new Base();
+   * // create a reference to the previous instance (`second`)
+   * // repeat this pattern every time a "child" instance is created
+   * third.parent = second;
+   *
+   * // we can always access the first instance using the `base` property
+   * console.log(first.base.foo);
+   * //=> 'bar'
+   * console.log(second.base.foo);
+   * //=> 'bar'
+   * console.log(third.base.foo);
+   * //=> 'bar'
+   * // and now you know how to get to third base ;)
+   * ```
+   * @name .base
+   * @api public
+   */
+
+  Object.defineProperty(Base.prototype, 'base', {
+    configurable: true,
+    get: function() {
+      return this.parent ? this.parent.base : this;
+    }
+  });
+
+  /**
+   * Static method for adding global plugin functions that will
+   * be added to an instance when created.
+   *
+   * ```js
+   * Base.use(function(app) {
+   *   app.foo = 'bar';
+   * });
+   * var app = new Base();
+   * console.log(app.foo);
+   * //=> 'bar'
+   * ```
+   * @name #use
+   * @param {Function} `fn` Plugin function to use on each instance.
+   * @return {Object} Returns the `Base` constructor for chaining
+   * @api public
+   */
+
+  define(Base, 'use', function(fn) {
+    fns.push(fn);
+    return Base;
+  });
+
+  /**
+   * Run an array of functions by passing each function
+   * to a method on the given object specified by the given property.
+   *
+   * @param  {Object} `obj` Object containing method to use.
+   * @param  {String} `prop` Name of the method on the object to use.
+   * @param  {Array} `arr` Array of functions to pass to the method.
+   */
+
+  define(Base, 'run', function(obj, prop, arr) {
+    var len = arr.length, i = 0;
+    while (len--) {
+      obj[prop](arr[i++]);
+    }
+    return Base;
+  });
+
+  /**
+   * Static method for inheriting the prototype and static methods of the `Base` class.
+   * This method greatly simplifies the process of creating inheritance-based applications.
+   * See [static-extend][] for more details.
+   *
+   * ```js
+   * var extend = cu.extend(Parent);
+   * Parent.extend(Child);
+   *
+   * // optional methods
+   * Parent.extend(Child, {
+   *   foo: function() {},
+   *   bar: function() {}
+   * });
+   * ```
+   * @name #extend
+   * @param {Function} `Ctor` constructor to extend
+   * @param {Object} `methods` Optional prototype properties to mix in.
+   * @return {Object} Returns the `Base` constructor for chaining
+   * @api public
+   */
+
+  define(Base, 'extend', cu.extend(Base, function(Ctor, Parent) {
+    Ctor.prototype.mixins = Ctor.prototype.mixins || [];
+
+    define(Ctor, 'mixin', function(fn) {
+      var mixin = fn(Ctor.prototype, Ctor);
+      if (typeof mixin === 'function') {
+        Ctor.prototype.mixins.push(mixin);
+      }
+      return Ctor;
+    });
+
+    define(Ctor, 'mixins', function(Child) {
+      Base.run(Child, 'mixin', Ctor.prototype.mixins);
+      return Ctor;
+    });
+
+    Ctor.prototype.mixin = function(key, value) {
+      Ctor.prototype[key] = value;
+      return this;
+    };
+    return Base;
+  }));
+
+  /**
+   * Used for adding methods to the `Base` prototype, and/or to the prototype of child instances.
+   * When a mixin function returns a function, the returned function is pushed onto the `.mixins`
+   * array, making it available to be used on inheriting classes whenever `Base.mixins()` is
+   * called (e.g. `Base.mixins(Child)`).
+   *
+   * ```js
+   * Base.mixin(function(proto) {
+   *   proto.foo = function(msg) {
+   *     return 'foo ' + msg;
+   *   };
+   * });
+   * ```
+   * @name #mixin
+   * @param {Function} `fn` Function to call
+   * @return {Object} Returns the `Base` constructor for chaining
+   * @api public
+   */
+
+  define(Base, 'mixin', function(fn) {
+    var mixin = fn(Base.prototype, Base);
+    if (typeof mixin === 'function') {
+      Base.prototype.mixins.push(mixin);
+    }
+    return Base;
+  });
+
+  /**
+   * Static method for running global mixin functions against a child constructor.
+   * Mixins must be registered before calling this method.
+   *
+   * ```js
+   * Base.extend(Child);
+   * Base.mixins(Child);
+   * ```
+   * @name #mixins
+   * @param {Function} `Child` Constructor function of a child class
+   * @return {Object} Returns the `Base` constructor for chaining
+   * @api public
+   */
+
+  define(Base, 'mixins', function(Child) {
+    Base.run(Child, 'mixin', Base.prototype.mixins);
+    return Base;
+  });
+
+  /**
+   * Similar to `util.inherit`, but copies all static properties, prototype properties, and
+   * getters/setters from `Provider` to `Receiver`. See [class-utils][]{#inherit} for more details.
+   *
+   * ```js
+   * Base.inherit(Foo, Bar);
+   * ```
+   * @name #inherit
+   * @param {Function} `Receiver` Receiving (child) constructor
+   * @param {Function} `Provider` Providing (parent) constructor
+   * @return {Object} Returns the `Base` constructor for chaining
+   * @api public
+   */
+
+  define(Base, 'inherit', cu.inherit);
+  define(Base, 'bubble', cu.bubble);
+  return Base;
+}
+
+/**
+ * Expose `Base` with default settings
+ */
+
+module.exports = namespace();
+
+/**
+ * Allow users to define a namespace
+ */
+
+module.exports.namespace = namespace;
diff --git a/node_modules/base/node_modules/define-property/LICENSE b/node_modules/base/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/base/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/base/node_modules/define-property/README.md b/node_modules/base/node_modules/define-property/README.md
new file mode 100644
index 00000000..2f1af05f
--- /dev/null
+++ b/node_modules/base/node_modules/define-property/README.md
@@ -0,0 +1,95 @@
+# define-property [![NPM version](https://img.shields.io/npm/v/define-property.svg?style=flat)](https://www.npmjs.com/package/define-property) [![NPM monthly downloads](https://img.shields.io/npm/dm/define-property.svg?style=flat)](https://npmjs.org/package/define-property)  [![NPM total downloads](https://img.shields.io/npm/dt/define-property.svg?style=flat)](https://npmjs.org/package/define-property) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/define-property.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save define-property
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add define-property
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## About
+
+### Related projects
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target (first) object.")
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 20, 2017._
\ No newline at end of file
diff --git a/node_modules/base/node_modules/define-property/index.js b/node_modules/base/node_modules/define-property/index.js
new file mode 100644
index 00000000..27c19ebf
--- /dev/null
+++ b/node_modules/base/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/base/node_modules/define-property/package.json b/node_modules/base/node_modules/define-property/package.json
new file mode 100644
index 00000000..e0ab1ca0
--- /dev/null
+++ b/node_modules/base/node_modules/define-property/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-descriptor": "^1.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "extend-shallow",
+        "merge-deep",
+        "assign-deep",
+        "mixin-deep"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/base/package.json b/node_modules/base/package.json
new file mode 100644
index 00000000..d2cc5708
--- /dev/null
+++ b/node_modules/base/package.json
@@ -0,0 +1,111 @@
+{
+  "name": "base",
+  "description": "base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.",
+  "version": "0.11.2",
+  "homepage": "https://github.com/node-base/base",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "maintainers": [
+    "Brian Woodward (https://github.com/doowb)",
+    "Jon Schlinkert (https://github.com/jonschlinkert)"
+  ],
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "John O'Donnell (https://github.com/criticalmash)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "tunnckoCore (https://i.am.charlike.online)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "node-base/base",
+  "bugs": {
+    "url": "https://github.com/node-base/base/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "cache-base": "^1.0.1",
+    "class-utils": "^0.3.5",
+    "component-emitter": "^1.2.1",
+    "define-property": "^1.0.0",
+    "isobject": "^3.0.1",
+    "mixin-deep": "^1.2.0",
+    "pascalcase": "^0.1.1"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^4.0.0",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.2",
+    "gulp-mocha": "^3.0.1",
+    "helper-coverage": "^0.1.3",
+    "mocha": "^3.5.0",
+    "should": "^13.0.1",
+    "through2": "^2.0.3",
+    "verb-generate-readme": "^0.6.0"
+  },
+  "keywords": [
+    "base",
+    "boilerplate",
+    "cache",
+    "del",
+    "get",
+    "inherit",
+    "methods",
+    "set",
+    "starter",
+    "unset",
+    "visit"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "helpers": [
+      "helper-coverage"
+    ],
+    "related": {
+      "description": "There are a number of different plugins available for extending base. Let us know if you create your own!",
+      "hightlight": "generate",
+      "list": [
+        "base-cwd",
+        "base-data",
+        "base-fs",
+        "base-generators",
+        "base-option",
+        "base-pipeline",
+        "base-pkg",
+        "base-plugins",
+        "base-questions",
+        "base-store",
+        "base-task"
+      ]
+    },
+    "reflinks": [
+      "assemble",
+      "boilerplate",
+      "cache-base",
+      "class-utils",
+      "generate",
+      "scaffold",
+      "static-extend",
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/base64-js/LICENSE b/node_modules/base64-js/LICENSE
new file mode 100644
index 00000000..6d52b8ac
--- /dev/null
+++ b/node_modules/base64-js/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Jameson Little
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/base64-js/README.md b/node_modules/base64-js/README.md
new file mode 100644
index 00000000..b42a48f4
--- /dev/null
+++ b/node_modules/base64-js/README.md
@@ -0,0 +1,34 @@
+base64-js
+=========
+
+`base64-js` does basic base64 encoding/decoding in pure JS.
+
+[![build status](https://secure.travis-ci.org/beatgammit/base64-js.png)](http://travis-ci.org/beatgammit/base64-js)
+
+Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.
+
+Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.
+
+## install
+
+With [npm](https://npmjs.org) do:
+
+`npm install base64-js` and `var base64js = require('base64-js')`
+
+For use in web browsers do:
+
+`<script src="base64js.min.js"></script>`
+
+[Get supported base64-js with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-base64-js?utm_source=npm-base64-js&utm_medium=referral&utm_campaign=readme)
+
+## methods
+
+`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.
+
+* `byteLength` - Takes a base64 string and returns length of byte array
+* `toByteArray` - Takes a base64 string and returns a byte array
+* `fromByteArray` - Takes a byte array and returns a base64 string
+
+## license
+
+MIT
diff --git a/node_modules/base64-js/base64js.min.js b/node_modules/base64-js/base64js.min.js
new file mode 100644
index 00000000..908ac83f
--- /dev/null
+++ b/node_modules/base64-js/base64js.min.js
@@ -0,0 +1 @@
+(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){var b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");var c=a.indexOf("=");-1===c&&(c=b);var d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){var b,c,f=d(a),g=f[0],h=f[1],j=new m(e(a,g,h)),k=0,n=0<h?g-4:g;for(c=0;c<n;c+=4)b=l[a.charCodeAt(c)]<<18|l[a.charCodeAt(c+1)]<<12|l[a.charCodeAt(c+2)]<<6|l[a.charCodeAt(c+3)],j[k++]=255&b>>16,j[k++]=255&b>>8,j[k++]=255&b;return 2===h&&(b=l[a.charCodeAt(c)]<<2|l[a.charCodeAt(c+1)]>>4,j[k++]=255&b),1===h&&(b=l[a.charCodeAt(c)]<<10|l[a.charCodeAt(c+1)]<<4|l[a.charCodeAt(c+2)]>>2,j[k++]=255&b>>8,j[k++]=255&b),j}function g(a){return k[63&a>>18]+k[63&a>>12]+k[63&a>>6]+k[63&a]}function h(a,b,c){for(var d,e=[],f=b;f<c;f+=3)d=(16711680&a[f]<<16)+(65280&a[f+1]<<8)+(255&a[f+2]),e.push(g(d));return e.join("")}function j(a){for(var b,c=a.length,d=c%3,e=[],f=16383,g=0,j=c-d;g<j;g+=f)e.push(h(a,g,g+f>j?j:g+f));return 1===d?(b=a[c-1],e.push(k[b>>2]+k[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(k[b>>10]+k[63&b>>4]+k[63&b<<2]+"=")),e.join("")}c.byteLength=function(a){var b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=f,c.fromByteArray=j;for(var k=[],l=[],m="undefined"==typeof Uint8Array?Array:Uint8Array,n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,p=n.length;o<p;++o)k[o]=n[o],l[n.charCodeAt(o)]=o;l[45]=62,l[95]=63},{}]},{},[])("/")});
\ No newline at end of file
diff --git a/node_modules/base64-js/index.d.ts b/node_modules/base64-js/index.d.ts
new file mode 100644
index 00000000..7d9fa1d9
--- /dev/null
+++ b/node_modules/base64-js/index.d.ts
@@ -0,0 +1,3 @@
+export function byteLength(b64: string): number;
+export function toByteArray(b64: string): Uint8Array;
+export function fromByteArray(uint8: Uint8Array): string;
diff --git a/node_modules/base64-js/index.js b/node_modules/base64-js/index.js
new file mode 100644
index 00000000..0599f3e4
--- /dev/null
+++ b/node_modules/base64-js/index.js
@@ -0,0 +1,150 @@
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+// Support decoding URL-safe base64 strings, as Node.js does.
+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function getLens (b64) {
+  var len = b64.length
+
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // Trim off extra bytes after placeholder bytes are found
+  // See: https://github.com/beatgammit/base64-js/issues/42
+  var validLen = b64.indexOf('=')
+  if (validLen === -1) validLen = len
+
+  var placeHoldersLen = validLen === len
+    ? 0
+    : 4 - (validLen % 4)
+
+  return [validLen, placeHoldersLen]
+}
+
+// base64 is 4/3 + up to two characters of the original data
+function byteLength (b64) {
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function _byteLength (b64, validLen, placeHoldersLen) {
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function toByteArray (b64) {
+  var tmp
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+
+  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))
+
+  var curByte = 0
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  var len = placeHoldersLen > 0
+    ? validLen - 4
+    : validLen
+
+  var i
+  for (i = 0; i < len; i += 4) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 18) |
+      (revLookup[b64.charCodeAt(i + 1)] << 12) |
+      (revLookup[b64.charCodeAt(i + 2)] << 6) |
+      revLookup[b64.charCodeAt(i + 3)]
+    arr[curByte++] = (tmp >> 16) & 0xFF
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 2) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 2) |
+      (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 1) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 10) |
+      (revLookup[b64.charCodeAt(i + 1)] << 4) |
+      (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] +
+    lookup[num >> 12 & 0x3F] +
+    lookup[num >> 6 & 0x3F] +
+    lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp =
+      ((uint8[i] << 16) & 0xFF0000) +
+      ((uint8[i + 1] << 8) & 0xFF00) +
+      (uint8[i + 2] & 0xFF)
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 2] +
+      lookup[(tmp << 4) & 0x3F] +
+      '=='
+    )
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 10] +
+      lookup[(tmp >> 4) & 0x3F] +
+      lookup[(tmp << 2) & 0x3F] +
+      '='
+    )
+  }
+
+  return parts.join('')
+}
diff --git a/node_modules/base64-js/package.json b/node_modules/base64-js/package.json
new file mode 100644
index 00000000..c3972e39
--- /dev/null
+++ b/node_modules/base64-js/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "base64-js",
+  "description": "Base64 encoding/decoding in pure JS",
+  "version": "1.5.1",
+  "author": "T. Jameson Little <t.jameson.little@gmail.com>",
+  "typings": "index.d.ts",
+  "bugs": {
+    "url": "https://github.com/beatgammit/base64-js/issues"
+  },
+  "devDependencies": {
+    "babel-minify": "^0.5.1",
+    "benchmark": "^2.1.4",
+    "browserify": "^16.3.0",
+    "standard": "*",
+    "tape": "4.x"
+  },
+  "homepage": "https://github.com/beatgammit/base64-js",
+  "keywords": [
+    "base64"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/beatgammit/base64-js.git"
+  },
+  "scripts": {
+    "build": "browserify -s base64js -r ./ | minify > base64js.min.js",
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "unit": "tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/big.js/CHANGELOG.md b/node_modules/big.js/CHANGELOG.md
new file mode 100644
index 00000000..9c69eecd
--- /dev/null
+++ b/node_modules/big.js/CHANGELOG.md
@@ -0,0 +1,146 @@
+#### 5.2.2
+
+* 18/10/18
+* #109 Remove opencollective dependency.
+
+#### 5.2.1
+
+* Delete *bower.json*.
+
+#### 5.2.0
+
+* 09/10/18
+* #63 Allow negative argument for `round`.
+* #107 `sqrt` of large number.
+
+#### 5.1.2
+
+* 24/05/18
+* #95 Add `browser` field to *package.json*.
+* Restore named export to enable `import {Big}`.
+
+#### 5.1.1
+
+* 22/05/18
+* #95 Remove named export.
+
+#### 5.1.0
+
+* 22/05/18
+* Amend *.mjs* exports.
+* Remove extension from `main` field in *package.json*.
+
+#### 5.0.3
+
+* 23/10/17
+* #89 Optimisation of internal `round` function.
+
+#### 5.0.2
+
+* 13/10/17
+* Update *README.md*.
+
+#### 5.0.1
+
+* 13/10/17
+* Correct `Big.version` number.
+
+#### 5.0.0
+
+* 13/10/17
+* Return `-0` from `valueOf` for negative zero.
+* Refactor the methods which return a string.
+* Amend error messaging.
+* Update API document and change its colour scheme.
+* Add `Big.version`.
+* Remove bitcoin address.
+
+#### 4.0.2
+
+* 28/09/17
+* Add *big.mjs* for use with Node.js with `--experimental-modules` flag.
+
+#### 4.0.0
+
+* 27/09/17
+* Rename `Big.E_POS` to `Big.PE`, `Big.E_NEG` to `Big.NE`.
+* Refactor error messaging.
+* Throw if `null` is passed to `toFixed` etc.
+
+#### 3.2.0
+
+* 14/09/17 Aid ES6 import.
+
+#### 3.1.3
+
+* Minor documentation updates.
+
+#### 3.1.2
+
+* README typo.
+
+#### 3.1.1
+
+* API documentation update, including FAQ additions.
+
+#### 3.1.0
+
+* Renamed and exposed `TO_EXP_NEG` and `TO_EXP_POS` as `Big.E_NEG` and `Big.E_POS`.
+
+#### 3.0.2
+
+* Remove *.npmignore*, use `files` field in *package.json* instead.
+
+#### 3.0.1
+
+* Added `sub`, `add` and `mul` aliases.
+* Clean-up after lint.
+
+#### 3.0.0
+
+* 10/12/14 Added [multiple constructor functionality](http://mikemcl.github.io/big.js/#faq).
+* No breaking changes or other additions, but a major code reorganisation, so *v3* seemed appropiate.
+
+#### 2.5.2
+
+* 1/11/14 Added bower.json.
+
+#### 2.5.1
+
+* 8/06/14 Amend README requires.
+
+#### 2.5.0
+
+* 26/01/14 Added `toJSON` method so serialization uses `toString`.
+
+#### 2.4.1
+
+* 17/10/13 Conform signed zero to IEEEE 754 (2008).
+
+#### 2.4.0
+
+* 19/09/13 Throw instances of `Error`.
+
+#### 2.3.0
+
+* 16/09/13 Added `cmp` method.
+
+#### 2.2.0
+
+* 11/07/13 Added 'round up' mode.
+
+#### 2.1.0
+
+* 26/06/13 Allow e.g. `.1` and `2.`.
+
+#### 2.0.0
+
+* 12/05/13 Added `abs` method and replaced `cmp` with `eq`, `gt`, `gte`, `lt`, and `lte` methods.
+
+#### 1.0.1
+
+* Changed default value of MAX_DP to 1E6
+
+#### 1.0.0
+
+* 7/11/2012 Initial release
diff --git a/node_modules/big.js/LICENCE b/node_modules/big.js/LICENCE
new file mode 100644
index 00000000..c30d30b2
--- /dev/null
+++ b/node_modules/big.js/LICENCE
@@ -0,0 +1,23 @@
+The MIT Licence (Expat).
+
+Copyright (c) 2018 Michael Mclaughlin
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/big.js/README.md b/node_modules/big.js/README.md
new file mode 100644
index 00000000..2ecb19df
--- /dev/null
+++ b/node_modules/big.js/README.md
@@ -0,0 +1,201 @@
+# big.js
+
+**A small, fast JavaScript library for arbitrary-precision decimal arithmetic.**
+
+The little sister to [bignumber.js](https://github.com/MikeMcl/bignumber.js/) and [decimal.js](https://github.com/MikeMcl/decimal.js/). See [here](https://github.com/MikeMcl/big.js/wiki) for some notes on the difference between them.
+
+## Features
+
+  - Faster, smaller and easier-to-use than JavaScript versions of Java's BigDecimal
+  - Only 5.9 KB minified and 2.7 KB gzipped
+  - Simple API
+  - Replicates the `toExponential`, `toFixed` and `toPrecision` methods of JavaScript's Number type
+  - Includes a `sqrt` method
+  - Stores values in an accessible decimal floating point format
+  - No dependencies
+  - Comprehensive [documentation](http://mikemcl.github.io/big.js/) and test set
+
+## Set up
+
+The library is the single JavaScript file *big.js* (or *big.min.js*, which is *big.js* minified).
+
+Browser:
+
+```html
+<script src='path/to/big.js'></script>
+```
+
+[Node.js](http://nodejs.org):
+
+```bash
+$ npm install big.js
+```
+
+```javascript
+const Big = require('big.js');
+```
+
+ES6 module:
+
+```javascript
+import Big from 'big.mjs';
+```
+## Use
+
+*In all examples below, `var`, semicolons and `toString` calls are not shown. If a commented-out value is in quotes it means `toString` has been called on the preceding expression.*
+
+The library exports a single function, `Big`, the constructor of Big number instances.
+It accepts a value of type number, string or Big number object.
+
+    x = new Big(123.4567)
+    y = Big('123456.7e-3')             // 'new' is optional
+    z = new Big(x)
+    x.eq(y) && x.eq(z) && y.eq(z)      // true
+
+A Big number is immutable in the sense that it is not changed by its methods.
+
+    0.3 - 0.1                          // 0.19999999999999998
+    x = new Big(0.3)
+    x.minus(0.1)                       // "0.2"
+    x                                  // "0.3"
+
+The methods that return a Big number can be chained.
+
+    x.div(y).plus(z).times(9).minus('1.234567801234567e+8').plus(976.54321).div('2598.11772')
+    x.sqrt().div(y).pow(3).gt(y.mod(z))    // true
+
+Like JavaScript's Number type, there are `toExponential`, `toFixed` and `toPrecision` methods.
+
+    x = new Big(255.5)
+    x.toExponential(5)                 // "2.55500e+2"
+    x.toFixed(5)                       // "255.50000"
+    x.toPrecision(5)                   // "255.50"
+
+The arithmetic methods always return the exact result except `div`, `sqrt` and `pow`
+(with negative exponent), as these methods involve division.
+
+The maximum number of decimal places and the rounding mode used to round the results of these methods is determined by the value of the `DP` and `RM` properties of the `Big` number constructor.
+
+    Big.DP = 10
+    Big.RM = 1
+
+    x = new Big(2);
+    y = new Big(3);
+    z = x.div(y)                       // "0.6666666667"
+    z.sqrt()                           // "0.8164965809"
+    z.pow(-3)                          // "3.3749999995"
+    z.times(z)                         // "0.44444444448888888889"
+    z.times(z).round(10)               // "0.4444444445"
+
+Multiple Big number constructors can be created, each with an independent configuration.
+
+The value of a Big number is stored in a decimal floating point format in terms of a coefficient, exponent and sign.
+
+    x = new Big(-123.456);
+    x.c                                // [1,2,3,4,5,6]    coefficient (i.e. significand)
+    x.e                                // 2                exponent
+    x.s                                // -1               sign
+
+For further information see the [API](http://mikemcl.github.io/big.js/) reference from the *doc* folder.
+
+## Test
+
+The *test* directory contains the test scripts for each Big number method.
+
+The tests can be run with Node.js or a browser.
+
+To run all the tests
+
+    $ npm test
+
+To test a single method
+
+    $ node test/toFixed
+
+For the browser, see *single-test.html* and *every-test.html* in the *test/browser* directory.
+
+*big-vs-number.html* is a simple application that enables some of the methods of big.js to be compared with those of JavaScript's Number type.
+
+## Performance
+
+The *perf* directory contains two legacy applications and a *lib* directory containing the BigDecimal libraries used by both.
+
+*big-vs-bigdecimal.html* tests the performance of big.js against the JavaScript translations of two versions of BigDecimal, its use should be more or less self-explanatory.
+
+* [GWT: java.math.BigDecimal](https://github.com/iriscouch/bigdecimal.js)
+* [ICU4J: com.ibm.icu.math.BigDecimal](https://github.com/dtrebbien/BigDecimal.js)
+
+The BigDecimal in the npm registry is the GWT version. It has some bugs, see the Node.js script *perf/lib/bigdecimal_GWT/bugs.js* for examples of flaws in its *remainder*, *divide* and *compareTo* methods.
+
+*bigtime.js* is a Node.js command-line application which tests the performance of big.js against the GWT version of
+BigDecimal from the npm registry.
+
+For example, to compare the time taken by the big.js `plus` method and the BigDecimal `add` method
+
+    $ node bigtime plus 10000 40
+
+This will time 10000 calls to each, using operands of up to 40 random digits and will check that the results match.
+
+For help
+
+    $ node bigtime -h
+
+## Build
+
+If [uglify-js](https://github.com/mishoo/UglifyJS2) is installed globally
+
+    $ npm install uglify-js -g
+
+then
+
+    $ npm run build
+
+will create *big.min.js*.
+
+## TypeScript
+
+The [DefinitelyTyped](https://github.com/borisyankov/DefinitelyTyped) project has a Typescript type definitions file for big.js.
+
+    $ npm install @types/big.js
+
+Any questions about the TypeScript type definitions file should be addressed to the DefinitelyTyped project.
+
+## Feedback
+
+Bugs/comments/questions?
+
+Open an issue, or email <a href="mailto:M8ch88l@gmail.com">Michael</a>
+
+## Licence
+
+[MIT](LICENCE)
+
+## Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="graphs/contributors"><img src="https://opencollective.com/bigjs/contributors.svg?width=890&button=false" /></a>
+
+
+## Backers
+
+Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/bigjs#backer)]
+
+<a href="https://opencollective.com/bigjs#backers" target="_blank"><img src="https://opencollective.com/bigjs/backers.svg?width=890"></a>
+
+
+## Sponsors
+
+Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/bigjs#sponsor)]
+
+<a href="https://opencollective.com/bigjs/sponsor/0/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/1/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/2/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/3/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/4/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/5/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/6/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/7/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/8/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/bigjs/sponsor/9/website" target="_blank"><img src="https://opencollective.com/bigjs/sponsor/9/avatar.svg"></a>
+
+
diff --git a/node_modules/big.js/big.js b/node_modules/big.js/big.js
new file mode 100644
index 00000000..55f181ac
--- /dev/null
+++ b/node_modules/big.js/big.js
@@ -0,0 +1,941 @@
+/*
+ *  big.js v5.2.2
+ *  A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic.
+ *  Copyright (c) 2018 Michael Mclaughlin <M8ch88l@gmail.com>
+ *  https://github.com/MikeMcl/big.js/LICENCE
+ */
+;(function (GLOBAL) {
+  'use strict';
+  var Big,
+
+
+/************************************** EDITABLE DEFAULTS *****************************************/
+
+
+    // The default values below must be integers within the stated ranges.
+
+    /*
+     * The maximum number of decimal places (DP) of the results of operations involving division:
+     * div and sqrt, and pow with negative exponents.
+     */
+    DP = 20,          // 0 to MAX_DP
+
+    /*
+     * The rounding mode (RM) used when rounding to the above decimal places.
+     *
+     *  0  Towards zero (i.e. truncate, no rounding).       (ROUND_DOWN)
+     *  1  To nearest neighbour. If equidistant, round up.  (ROUND_HALF_UP)
+     *  2  To nearest neighbour. If equidistant, to even.   (ROUND_HALF_EVEN)
+     *  3  Away from zero.                                  (ROUND_UP)
+     */
+    RM = 1,             // 0, 1, 2 or 3
+
+    // The maximum value of DP and Big.DP.
+    MAX_DP = 1E6,       // 0 to 1000000
+
+    // The maximum magnitude of the exponent argument to the pow method.
+    MAX_POWER = 1E6,    // 1 to 1000000
+
+    /*
+     * The negative exponent (NE) at and beneath which toString returns exponential notation.
+     * (JavaScript numbers: -7)
+     * -1000000 is the minimum recommended exponent value of a Big.
+     */
+    NE = -7,            // 0 to -1000000
+
+    /*
+     * The positive exponent (PE) at and above which toString returns exponential notation.
+     * (JavaScript numbers: 21)
+     * 1000000 is the maximum recommended exponent value of a Big.
+     * (This limit is not enforced or checked.)
+     */
+    PE = 21,            // 0 to 1000000
+
+
+/**************************************************************************************************/
+
+
+    // Error messages.
+    NAME = '[big.js] ',
+    INVALID = NAME + 'Invalid ',
+    INVALID_DP = INVALID + 'decimal places',
+    INVALID_RM = INVALID + 'rounding mode',
+    DIV_BY_ZERO = NAME + 'Division by zero',
+
+    // The shared prototype object.
+    P = {},
+    UNDEFINED = void 0,
+    NUMERIC = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i;
+
+
+  /*
+   * Create and return a Big constructor.
+   *
+   */
+  function _Big_() {
+
+    /*
+     * The Big constructor and exported function.
+     * Create and return a new instance of a Big number object.
+     *
+     * n {number|string|Big} A numeric value.
+     */
+    function Big(n) {
+      var x = this;
+
+      // Enable constructor usage without new.
+      if (!(x instanceof Big)) return n === UNDEFINED ? _Big_() : new Big(n);
+
+      // Duplicate.
+      if (n instanceof Big) {
+        x.s = n.s;
+        x.e = n.e;
+        x.c = n.c.slice();
+      } else {
+        parse(x, n);
+      }
+
+      /*
+       * Retain a reference to this Big constructor, and shadow Big.prototype.constructor which
+       * points to Object.
+       */
+      x.constructor = Big;
+    }
+
+    Big.prototype = P;
+    Big.DP = DP;
+    Big.RM = RM;
+    Big.NE = NE;
+    Big.PE = PE;
+    Big.version = '5.2.2';
+
+    return Big;
+  }
+
+
+  /*
+   * Parse the number or string value passed to a Big constructor.
+   *
+   * x {Big} A Big number instance.
+   * n {number|string} A numeric value.
+   */
+  function parse(x, n) {
+    var e, i, nl;
+
+    // Minus zero?
+    if (n === 0 && 1 / n < 0) n = '-0';
+    else if (!NUMERIC.test(n += '')) throw Error(INVALID + 'number');
+
+    // Determine sign.
+    x.s = n.charAt(0) == '-' ? (n = n.slice(1), -1) : 1;
+
+    // Decimal point?
+    if ((e = n.indexOf('.')) > -1) n = n.replace('.', '');
+
+    // Exponential form?
+    if ((i = n.search(/e/i)) > 0) {
+
+      // Determine exponent.
+      if (e < 0) e = i;
+      e += +n.slice(i + 1);
+      n = n.substring(0, i);
+    } else if (e < 0) {
+
+      // Integer.
+      e = n.length;
+    }
+
+    nl = n.length;
+
+    // Determine leading zeros.
+    for (i = 0; i < nl && n.charAt(i) == '0';) ++i;
+
+    if (i == nl) {
+
+      // Zero.
+      x.c = [x.e = 0];
+    } else {
+
+      // Determine trailing zeros.
+      for (; nl > 0 && n.charAt(--nl) == '0';);
+      x.e = e - i - 1;
+      x.c = [];
+
+      // Convert string to array of digits without leading/trailing zeros.
+      for (e = 0; i <= nl;) x.c[e++] = +n.charAt(i++);
+    }
+
+    return x;
+  }
+
+
+  /*
+   * Round Big x to a maximum of dp decimal places using rounding mode rm.
+   * Called by stringify, P.div, P.round and P.sqrt.
+   *
+   * x {Big} The Big to round.
+   * dp {number} Integer, 0 to MAX_DP inclusive.
+   * rm {number} 0, 1, 2 or 3 (DOWN, HALF_UP, HALF_EVEN, UP)
+   * [more] {boolean} Whether the result of division was truncated.
+   */
+  function round(x, dp, rm, more) {
+    var xc = x.c,
+      i = x.e + dp + 1;
+
+    if (i < xc.length) {
+      if (rm === 1) {
+
+        // xc[i] is the digit after the digit that may be rounded up.
+        more = xc[i] >= 5;
+      } else if (rm === 2) {
+        more = xc[i] > 5 || xc[i] == 5 &&
+          (more || i < 0 || xc[i + 1] !== UNDEFINED || xc[i - 1] & 1);
+      } else if (rm === 3) {
+        more = more || !!xc[0];
+      } else {
+        more = false;
+        if (rm !== 0) throw Error(INVALID_RM);
+      }
+
+      if (i < 1) {
+        xc.length = 1;
+
+        if (more) {
+
+          // 1, 0.1, 0.01, 0.001, 0.0001 etc.
+          x.e = -dp;
+          xc[0] = 1;
+        } else {
+
+          // Zero.
+          xc[0] = x.e = 0;
+        }
+      } else {
+
+        // Remove any digits after the required decimal places.
+        xc.length = i--;
+
+        // Round up?
+        if (more) {
+
+          // Rounding up may mean the previous digit has to be rounded up.
+          for (; ++xc[i] > 9;) {
+            xc[i] = 0;
+            if (!i--) {
+              ++x.e;
+              xc.unshift(1);
+            }
+          }
+        }
+
+        // Remove trailing zeros.
+        for (i = xc.length; !xc[--i];) xc.pop();
+      }
+    } else if (rm < 0 || rm > 3 || rm !== ~~rm) {
+      throw Error(INVALID_RM);
+    }
+
+    return x;
+  }
+
+
+  /*
+   * Return a string representing the value of Big x in normal or exponential notation.
+   * Handles P.toExponential, P.toFixed, P.toJSON, P.toPrecision, P.toString and P.valueOf.
+   *
+   * x {Big}
+   * id? {number} Caller id.
+   *         1 toExponential
+   *         2 toFixed
+   *         3 toPrecision
+   *         4 valueOf
+   * n? {number|undefined} Caller's argument.
+   * k? {number|undefined}
+   */
+  function stringify(x, id, n, k) {
+    var e, s,
+      Big = x.constructor,
+      z = !x.c[0];
+
+    if (n !== UNDEFINED) {
+      if (n !== ~~n || n < (id == 3) || n > MAX_DP) {
+        throw Error(id == 3 ? INVALID + 'precision' : INVALID_DP);
+      }
+
+      x = new Big(x);
+
+      // The index of the digit that may be rounded up.
+      n = k - x.e;
+
+      // Round?
+      if (x.c.length > ++k) round(x, n, Big.RM);
+
+      // toFixed: recalculate k as x.e may have changed if value rounded up.
+      if (id == 2) k = x.e + n + 1;
+
+      // Append zeros?
+      for (; x.c.length < k;) x.c.push(0);
+    }
+
+    e = x.e;
+    s = x.c.join('');
+    n = s.length;
+
+    // Exponential notation?
+    if (id != 2 && (id == 1 || id == 3 && k <= e || e <= Big.NE || e >= Big.PE)) {
+      s = s.charAt(0) + (n > 1 ? '.' + s.slice(1) : '') + (e < 0 ? 'e' : 'e+') + e;
+
+    // Normal notation.
+    } else if (e < 0) {
+      for (; ++e;) s = '0' + s;
+      s = '0.' + s;
+    } else if (e > 0) {
+      if (++e > n) for (e -= n; e--;) s += '0';
+      else if (e < n) s = s.slice(0, e) + '.' + s.slice(e);
+    } else if (n > 1) {
+      s = s.charAt(0) + '.' + s.slice(1);
+    }
+
+    return x.s < 0 && (!z || id == 4) ? '-' + s : s;
+  }
+
+
+  // Prototype/instance methods
+
+
+  /*
+   * Return a new Big whose value is the absolute value of this Big.
+   */
+  P.abs = function () {
+    var x = new this.constructor(this);
+    x.s = 1;
+    return x;
+  };
+
+
+  /*
+   * Return 1 if the value of this Big is greater than the value of Big y,
+   *       -1 if the value of this Big is less than the value of Big y, or
+   *        0 if they have the same value.
+  */
+  P.cmp = function (y) {
+    var isneg,
+      x = this,
+      xc = x.c,
+      yc = (y = new x.constructor(y)).c,
+      i = x.s,
+      j = y.s,
+      k = x.e,
+      l = y.e;
+
+    // Either zero?
+    if (!xc[0] || !yc[0]) return !xc[0] ? !yc[0] ? 0 : -j : i;
+
+    // Signs differ?
+    if (i != j) return i;
+
+    isneg = i < 0;
+
+    // Compare exponents.
+    if (k != l) return k > l ^ isneg ? 1 : -1;
+
+    j = (k = xc.length) < (l = yc.length) ? k : l;
+
+    // Compare digit by digit.
+    for (i = -1; ++i < j;) {
+      if (xc[i] != yc[i]) return xc[i] > yc[i] ^ isneg ? 1 : -1;
+    }
+
+    // Compare lengths.
+    return k == l ? 0 : k > l ^ isneg ? 1 : -1;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big divided by the value of Big y, rounded,
+   * if necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+   */
+  P.div = function (y) {
+    var x = this,
+      Big = x.constructor,
+      a = x.c,                  // dividend
+      b = (y = new Big(y)).c,   // divisor
+      k = x.s == y.s ? 1 : -1,
+      dp = Big.DP;
+
+    if (dp !== ~~dp || dp < 0 || dp > MAX_DP) throw Error(INVALID_DP);
+
+    // Divisor is zero?
+    if (!b[0]) throw Error(DIV_BY_ZERO);
+
+    // Dividend is 0? Return +-0.
+    if (!a[0]) return new Big(k * 0);
+
+    var bl, bt, n, cmp, ri,
+      bz = b.slice(),
+      ai = bl = b.length,
+      al = a.length,
+      r = a.slice(0, bl),   // remainder
+      rl = r.length,
+      q = y,                // quotient
+      qc = q.c = [],
+      qi = 0,
+      d = dp + (q.e = x.e - y.e) + 1;    // number of digits of the result
+
+    q.s = k;
+    k = d < 0 ? 0 : d;
+
+    // Create version of divisor with leading zero.
+    bz.unshift(0);
+
+    // Add zeros to make remainder as long as divisor.
+    for (; rl++ < bl;) r.push(0);
+
+    do {
+
+      // n is how many times the divisor goes into current remainder.
+      for (n = 0; n < 10; n++) {
+
+        // Compare divisor and remainder.
+        if (bl != (rl = r.length)) {
+          cmp = bl > rl ? 1 : -1;
+        } else {
+          for (ri = -1, cmp = 0; ++ri < bl;) {
+            if (b[ri] != r[ri]) {
+              cmp = b[ri] > r[ri] ? 1 : -1;
+              break;
+            }
+          }
+        }
+
+        // If divisor < remainder, subtract divisor from remainder.
+        if (cmp < 0) {
+
+          // Remainder can't be more than 1 digit longer than divisor.
+          // Equalise lengths using divisor with extra leading zero?
+          for (bt = rl == bl ? b : bz; rl;) {
+            if (r[--rl] < bt[rl]) {
+              ri = rl;
+              for (; ri && !r[--ri];) r[ri] = 9;
+              --r[ri];
+              r[rl] += 10;
+            }
+            r[rl] -= bt[rl];
+          }
+
+          for (; !r[0];) r.shift();
+        } else {
+          break;
+        }
+      }
+
+      // Add the digit n to the result array.
+      qc[qi++] = cmp ? n : ++n;
+
+      // Update the remainder.
+      if (r[0] && cmp) r[rl] = a[ai] || 0;
+      else r = [a[ai]];
+
+    } while ((ai++ < al || r[0] !== UNDEFINED) && k--);
+
+    // Leading zero? Do not remove if result is simply zero (qi == 1).
+    if (!qc[0] && qi != 1) {
+
+      // There can't be more than one zero.
+      qc.shift();
+      q.e--;
+    }
+
+    // Round?
+    if (qi > d) round(q, dp, Big.RM, r[0] !== UNDEFINED);
+
+    return q;
+  };
+
+
+  /*
+   * Return true if the value of this Big is equal to the value of Big y, otherwise return false.
+   */
+  P.eq = function (y) {
+    return !this.cmp(y);
+  };
+
+
+  /*
+   * Return true if the value of this Big is greater than the value of Big y, otherwise return
+   * false.
+   */
+  P.gt = function (y) {
+    return this.cmp(y) > 0;
+  };
+
+
+  /*
+   * Return true if the value of this Big is greater than or equal to the value of Big y, otherwise
+   * return false.
+   */
+  P.gte = function (y) {
+    return this.cmp(y) > -1;
+  };
+
+
+  /*
+   * Return true if the value of this Big is less than the value of Big y, otherwise return false.
+   */
+  P.lt = function (y) {
+    return this.cmp(y) < 0;
+  };
+
+
+  /*
+   * Return true if the value of this Big is less than or equal to the value of Big y, otherwise
+   * return false.
+   */
+  P.lte = function (y) {
+    return this.cmp(y) < 1;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big minus the value of Big y.
+   */
+  P.minus = P.sub = function (y) {
+    var i, j, t, xlty,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    // Signs differ?
+    if (a != b) {
+      y.s = -b;
+      return x.plus(y);
+    }
+
+    var xc = x.c.slice(),
+      xe = x.e,
+      yc = y.c,
+      ye = y.e;
+
+    // Either zero?
+    if (!xc[0] || !yc[0]) {
+
+      // y is non-zero? x is non-zero? Or both are zero.
+      return yc[0] ? (y.s = -b, y) : new Big(xc[0] ? x : 0);
+    }
+
+    // Determine which is the bigger number. Prepend zeros to equalise exponents.
+    if (a = xe - ye) {
+
+      if (xlty = a < 0) {
+        a = -a;
+        t = xc;
+      } else {
+        ye = xe;
+        t = yc;
+      }
+
+      t.reverse();
+      for (b = a; b--;) t.push(0);
+      t.reverse();
+    } else {
+
+      // Exponents equal. Check digit by digit.
+      j = ((xlty = xc.length < yc.length) ? xc : yc).length;
+
+      for (a = b = 0; b < j; b++) {
+        if (xc[b] != yc[b]) {
+          xlty = xc[b] < yc[b];
+          break;
+        }
+      }
+    }
+
+    // x < y? Point xc to the array of the bigger number.
+    if (xlty) {
+      t = xc;
+      xc = yc;
+      yc = t;
+      y.s = -y.s;
+    }
+
+    /*
+     * Append zeros to xc if shorter. No need to add zeros to yc if shorter as subtraction only
+     * needs to start at yc.length.
+     */
+    if ((b = (j = yc.length) - (i = xc.length)) > 0) for (; b--;) xc[i++] = 0;
+
+    // Subtract yc from xc.
+    for (b = i; j > a;) {
+      if (xc[--j] < yc[j]) {
+        for (i = j; i && !xc[--i];) xc[i] = 9;
+        --xc[i];
+        xc[j] += 10;
+      }
+
+      xc[j] -= yc[j];
+    }
+
+    // Remove trailing zeros.
+    for (; xc[--b] === 0;) xc.pop();
+
+    // Remove leading zeros and adjust exponent accordingly.
+    for (; xc[0] === 0;) {
+      xc.shift();
+      --ye;
+    }
+
+    if (!xc[0]) {
+
+      // n - n = +0
+      y.s = 1;
+
+      // Result must be zero.
+      xc = [ye = 0];
+    }
+
+    y.c = xc;
+    y.e = ye;
+
+    return y;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big modulo the value of Big y.
+   */
+  P.mod = function (y) {
+    var ygtx,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    if (!y.c[0]) throw Error(DIV_BY_ZERO);
+
+    x.s = y.s = 1;
+    ygtx = y.cmp(x) == 1;
+    x.s = a;
+    y.s = b;
+
+    if (ygtx) return new Big(x);
+
+    a = Big.DP;
+    b = Big.RM;
+    Big.DP = Big.RM = 0;
+    x = x.div(y);
+    Big.DP = a;
+    Big.RM = b;
+
+    return this.minus(x.times(y));
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big plus the value of Big y.
+   */
+  P.plus = P.add = function (y) {
+    var t,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    // Signs differ?
+    if (a != b) {
+      y.s = -b;
+      return x.minus(y);
+    }
+
+    var xe = x.e,
+      xc = x.c,
+      ye = y.e,
+      yc = y.c;
+
+    // Either zero? y is non-zero? x is non-zero? Or both are zero.
+    if (!xc[0] || !yc[0]) return yc[0] ? y : new Big(xc[0] ? x : a * 0);
+
+    xc = xc.slice();
+
+    // Prepend zeros to equalise exponents.
+    // Note: reverse faster than unshifts.
+    if (a = xe - ye) {
+      if (a > 0) {
+        ye = xe;
+        t = yc;
+      } else {
+        a = -a;
+        t = xc;
+      }
+
+      t.reverse();
+      for (; a--;) t.push(0);
+      t.reverse();
+    }
+
+    // Point xc to the longer array.
+    if (xc.length - yc.length < 0) {
+      t = yc;
+      yc = xc;
+      xc = t;
+    }
+
+    a = yc.length;
+
+    // Only start adding at yc.length - 1 as the further digits of xc can be left as they are.
+    for (b = 0; a; xc[a] %= 10) b = (xc[--a] = xc[a] + yc[a] + b) / 10 | 0;
+
+    // No need to check for zero, as +x + +y != 0 && -x + -y != 0
+
+    if (b) {
+      xc.unshift(b);
+      ++ye;
+    }
+
+    // Remove trailing zeros.
+    for (a = xc.length; xc[--a] === 0;) xc.pop();
+
+    y.c = xc;
+    y.e = ye;
+
+    return y;
+  };
+
+
+  /*
+   * Return a Big whose value is the value of this Big raised to the power n.
+   * If n is negative, round to a maximum of Big.DP decimal places using rounding
+   * mode Big.RM.
+   *
+   * n {number} Integer, -MAX_POWER to MAX_POWER inclusive.
+   */
+  P.pow = function (n) {
+    var x = this,
+      one = new x.constructor(1),
+      y = one,
+      isneg = n < 0;
+
+    if (n !== ~~n || n < -MAX_POWER || n > MAX_POWER) throw Error(INVALID + 'exponent');
+    if (isneg) n = -n;
+
+    for (;;) {
+      if (n & 1) y = y.times(x);
+      n >>= 1;
+      if (!n) break;
+      x = x.times(x);
+    }
+
+    return isneg ? one.div(y) : y;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big rounded using rounding mode rm
+   * to a maximum of dp decimal places, or, if dp is negative, to an integer which is a
+   * multiple of 10**-dp.
+   * If dp is not specified, round to 0 decimal places.
+   * If rm is not specified, use Big.RM.
+   *
+   * dp? {number} Integer, -MAX_DP to MAX_DP inclusive.
+   * rm? 0, 1, 2 or 3 (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_UP)
+   */
+  P.round = function (dp, rm) {
+    var Big = this.constructor;
+    if (dp === UNDEFINED) dp = 0;
+    else if (dp !== ~~dp || dp < -MAX_DP || dp > MAX_DP) throw Error(INVALID_DP);
+    return round(new Big(this), dp, rm === UNDEFINED ? Big.RM : rm);
+  };
+
+
+  /*
+   * Return a new Big whose value is the square root of the value of this Big, rounded, if
+   * necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+   */
+  P.sqrt = function () {
+    var r, c, t,
+      x = this,
+      Big = x.constructor,
+      s = x.s,
+      e = x.e,
+      half = new Big(0.5);
+
+    // Zero?
+    if (!x.c[0]) return new Big(x);
+
+    // Negative?
+    if (s < 0) throw Error(NAME + 'No square root');
+
+    // Estimate.
+    s = Math.sqrt(x + '');
+
+    // Math.sqrt underflow/overflow?
+    // Re-estimate: pass x coefficient to Math.sqrt as integer, then adjust the result exponent.
+    if (s === 0 || s === 1 / 0) {
+      c = x.c.join('');
+      if (!(c.length + e & 1)) c += '0';
+      s = Math.sqrt(c);
+      e = ((e + 1) / 2 | 0) - (e < 0 || e & 1);
+      r = new Big((s == 1 / 0 ? '1e' : (s = s.toExponential()).slice(0, s.indexOf('e') + 1)) + e);
+    } else {
+      r = new Big(s);
+    }
+
+    e = r.e + (Big.DP += 4);
+
+    // Newton-Raphson iteration.
+    do {
+      t = r;
+      r = half.times(t.plus(x.div(t)));
+    } while (t.c.slice(0, e).join('') !== r.c.slice(0, e).join(''));
+
+    return round(r, Big.DP -= 4, Big.RM);
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big times the value of Big y.
+   */
+  P.times = P.mul = function (y) {
+    var c,
+      x = this,
+      Big = x.constructor,
+      xc = x.c,
+      yc = (y = new Big(y)).c,
+      a = xc.length,
+      b = yc.length,
+      i = x.e,
+      j = y.e;
+
+    // Determine sign of result.
+    y.s = x.s == y.s ? 1 : -1;
+
+    // Return signed 0 if either 0.
+    if (!xc[0] || !yc[0]) return new Big(y.s * 0);
+
+    // Initialise exponent of result as x.e + y.e.
+    y.e = i + j;
+
+    // If array xc has fewer digits than yc, swap xc and yc, and lengths.
+    if (a < b) {
+      c = xc;
+      xc = yc;
+      yc = c;
+      j = a;
+      a = b;
+      b = j;
+    }
+
+    // Initialise coefficient array of result with zeros.
+    for (c = new Array(j = a + b); j--;) c[j] = 0;
+
+    // Multiply.
+
+    // i is initially xc.length.
+    for (i = b; i--;) {
+      b = 0;
+
+      // a is yc.length.
+      for (j = a + i; j > i;) {
+
+        // Current sum of products at this digit position, plus carry.
+        b = c[j] + yc[i] * xc[j - i - 1] + b;
+        c[j--] = b % 10;
+
+        // carry
+        b = b / 10 | 0;
+      }
+
+      c[j] = (c[j] + b) % 10;
+    }
+
+    // Increment result exponent if there is a final carry, otherwise remove leading zero.
+    if (b) ++y.e;
+    else c.shift();
+
+    // Remove trailing zeros.
+    for (i = c.length; !c[--i];) c.pop();
+    y.c = c;
+
+    return y;
+  };
+
+
+  /*
+   * Return a string representing the value of this Big in exponential notation to dp fixed decimal
+   * places and rounded using Big.RM.
+   *
+   * dp? {number} Integer, 0 to MAX_DP inclusive.
+   */
+  P.toExponential = function (dp) {
+    return stringify(this, 1, dp, dp);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big in normal notation to dp fixed decimal
+   * places and rounded using Big.RM.
+   *
+   * dp? {number} Integer, 0 to MAX_DP inclusive.
+   *
+   * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'.
+   * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
+   */
+  P.toFixed = function (dp) {
+    return stringify(this, 2, dp, this.e + dp);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big rounded to sd significant digits using
+   * Big.RM. Use exponential notation if sd is less than the number of digits necessary to represent
+   * the integer part of the value in normal notation.
+   *
+   * sd {number} Integer, 1 to MAX_DP inclusive.
+   */
+  P.toPrecision = function (sd) {
+    return stringify(this, 3, sd, sd - 1);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big.
+   * Return exponential notation if this Big has a positive exponent equal to or greater than
+   * Big.PE, or a negative exponent equal to or less than Big.NE.
+   * Omit the sign for negative zero.
+   */
+  P.toString = function () {
+    return stringify(this);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big.
+   * Return exponential notation if this Big has a positive exponent equal to or greater than
+   * Big.PE, or a negative exponent equal to or less than Big.NE.
+   * Include the sign for negative zero.
+   */
+  P.valueOf = P.toJSON = function () {
+    return stringify(this, 4);
+  };
+
+
+  // Export
+
+
+  Big = _Big_();
+
+  Big['default'] = Big.Big = Big;
+
+  //AMD.
+  if (typeof define === 'function' && define.amd) {
+    define(function () { return Big; });
+
+  // Node and other CommonJS-like environments that support module.exports.
+  } else if (typeof module !== 'undefined' && module.exports) {
+    module.exports = Big;
+
+  //Browser.
+  } else {
+    GLOBAL.Big = Big;
+  }
+})(this);
diff --git a/node_modules/big.js/big.min.js b/node_modules/big.js/big.min.js
new file mode 100644
index 00000000..eb82fe80
--- /dev/null
+++ b/node_modules/big.js/big.min.js
@@ -0,0 +1,2 @@
+/* big.js v5.2.2 https://github.com/MikeMcl/big.js/LICENCE */
+!function(e){"use strict";var r,i=20,s=1,P=1e6,o=-7,f=21,c="[big.js] ",u=c+"Invalid ",b=u+"decimal places",h=u+"rounding mode",x=c+"Division by zero",l={},D=void 0,a=/^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i;function R(e,r,t,n){var i=e.c,s=e.e+r+1;if(s<i.length){if(1===t)n=5<=i[s];else if(2===t)n=5<i[s]||5==i[s]&&(n||s<0||i[s+1]!==D||1&i[s-1]);else if(3===t)n=n||!!i[0];else if(n=!1,0!==t)throw Error(h);if(s<1)i.length=1,i[0]=n?(e.e=-r,1):e.e=0;else{if(i.length=s--,n)for(;9<++i[s];)i[s]=0,s--||(++e.e,i.unshift(1));for(s=i.length;!i[--s];)i.pop()}}else if(t<0||3<t||t!==~~t)throw Error(h);return e}function t(e,r,t,n){var i,s,o=e.constructor,f=!e.c[0];if(t!==D){if(t!==~~t||t<(3==r)||P<t)throw Error(3==r?u+"precision":b);for(t=n-(e=new o(e)).e,e.c.length>++n&&R(e,t,o.RM),2==r&&(n=e.e+t+1);e.c.length<n;)e.c.push(0)}if(i=e.e,t=(s=e.c.join("")).length,2!=r&&(1==r||3==r&&n<=i||i<=o.NE||i>=o.PE))s=s.charAt(0)+(1<t?"."+s.slice(1):"")+(i<0?"e":"e+")+i;else if(i<0){for(;++i;)s="0"+s;s="0."+s}else if(0<i)if(++i>t)for(i-=t;i--;)s+="0";else i<t&&(s=s.slice(0,i)+"."+s.slice(i));else 1<t&&(s=s.charAt(0)+"."+s.slice(1));return e.s<0&&(!f||4==r)?"-"+s:s}l.abs=function(){var e=new this.constructor(this);return e.s=1,e},l.cmp=function(e){var r,t=this,n=t.c,i=(e=new t.constructor(e)).c,s=t.s,o=e.s,f=t.e,c=e.e;if(!n[0]||!i[0])return n[0]?s:i[0]?-o:0;if(s!=o)return s;if(r=s<0,f!=c)return c<f^r?1:-1;for(o=(f=n.length)<(c=i.length)?f:c,s=-1;++s<o;)if(n[s]!=i[s])return n[s]>i[s]^r?1:-1;return f==c?0:c<f^r?1:-1},l.div=function(e){var r=this,t=r.constructor,n=r.c,i=(e=new t(e)).c,s=r.s==e.s?1:-1,o=t.DP;if(o!==~~o||o<0||P<o)throw Error(b);if(!i[0])throw Error(x);if(!n[0])return new t(0*s);var f,c,u,h,l,a=i.slice(),g=f=i.length,p=n.length,w=n.slice(0,f),d=w.length,v=e,m=v.c=[],E=0,M=o+(v.e=r.e-e.e)+1;for(v.s=s,s=M<0?0:M,a.unshift(0);d++<f;)w.push(0);do{for(u=0;u<10;u++){if(f!=(d=w.length))h=d<f?1:-1;else for(l=-1,h=0;++l<f;)if(i[l]!=w[l]){h=i[l]>w[l]?1:-1;break}if(!(h<0))break;for(c=d==f?i:a;d;){if(w[--d]<c[d]){for(l=d;l&&!w[--l];)w[l]=9;--w[l],w[d]+=10}w[d]-=c[d]}for(;!w[0];)w.shift()}m[E++]=h?u:++u,w[0]&&h?w[d]=n[g]||0:w=[n[g]]}while((g++<p||w[0]!==D)&&s--);return m[0]||1==E||(m.shift(),v.e--),M<E&&R(v,o,t.RM,w[0]!==D),v},l.eq=function(e){return!this.cmp(e)},l.gt=function(e){return 0<this.cmp(e)},l.gte=function(e){return-1<this.cmp(e)},l.lt=function(e){return this.cmp(e)<0},l.lte=function(e){return this.cmp(e)<1},l.minus=l.sub=function(e){var r,t,n,i,s=this,o=s.constructor,f=s.s,c=(e=new o(e)).s;if(f!=c)return e.s=-c,s.plus(e);var u=s.c.slice(),h=s.e,l=e.c,a=e.e;if(!u[0]||!l[0])return l[0]?(e.s=-c,e):new o(u[0]?s:0);if(f=h-a){for((n=(i=f<0)?(f=-f,u):(a=h,l)).reverse(),c=f;c--;)n.push(0);n.reverse()}else for(t=((i=u.length<l.length)?u:l).length,f=c=0;c<t;c++)if(u[c]!=l[c]){i=u[c]<l[c];break}if(i&&(n=u,u=l,l=n,e.s=-e.s),0<(c=(t=l.length)-(r=u.length)))for(;c--;)u[r++]=0;for(c=r;f<t;){if(u[--t]<l[t]){for(r=t;r&&!u[--r];)u[r]=9;--u[r],u[t]+=10}u[t]-=l[t]}for(;0===u[--c];)u.pop();for(;0===u[0];)u.shift(),--a;return u[0]||(e.s=1,u=[a=0]),e.c=u,e.e=a,e},l.mod=function(e){var r,t=this,n=t.constructor,i=t.s,s=(e=new n(e)).s;if(!e.c[0])throw Error(x);return t.s=e.s=1,r=1==e.cmp(t),t.s=i,e.s=s,r?new n(t):(i=n.DP,s=n.RM,n.DP=n.RM=0,t=t.div(e),n.DP=i,n.RM=s,this.minus(t.times(e)))},l.plus=l.add=function(e){var r,t=this,n=t.constructor,i=t.s,s=(e=new n(e)).s;if(i!=s)return e.s=-s,t.minus(e);var o=t.e,f=t.c,c=e.e,u=e.c;if(!f[0]||!u[0])return u[0]?e:new n(f[0]?t:0*i);if(f=f.slice(),i=o-c){for((r=0<i?(c=o,u):(i=-i,f)).reverse();i--;)r.push(0);r.reverse()}for(f.length-u.length<0&&(r=u,u=f,f=r),i=u.length,s=0;i;f[i]%=10)s=(f[--i]=f[i]+u[i]+s)/10|0;for(s&&(f.unshift(s),++c),i=f.length;0===f[--i];)f.pop();return e.c=f,e.e=c,e},l.pow=function(e){var r=this,t=new r.constructor(1),n=t,i=e<0;if(e!==~~e||e<-1e6||1e6<e)throw Error(u+"exponent");for(i&&(e=-e);1&e&&(n=n.times(r)),e>>=1;)r=r.times(r);return i?t.div(n):n},l.round=function(e,r){var t=this.constructor;if(e===D)e=0;else if(e!==~~e||e<-P||P<e)throw Error(b);return R(new t(this),e,r===D?t.RM:r)},l.sqrt=function(){var e,r,t,n=this,i=n.constructor,s=n.s,o=n.e,f=new i(.5);if(!n.c[0])return new i(n);if(s<0)throw Error(c+"No square root");for(o=(e=0===(s=Math.sqrt(n+""))||s===1/0?((r=n.c.join("")).length+o&1||(r+="0"),o=((o+1)/2|0)-(o<0||1&o),new i(((s=Math.sqrt(r))==1/0?"1e":(s=s.toExponential()).slice(0,s.indexOf("e")+1))+o)):new i(s)).e+(i.DP+=4);t=e,e=f.times(t.plus(n.div(t))),t.c.slice(0,o).join("")!==e.c.slice(0,o).join(""););return R(e,i.DP-=4,i.RM)},l.times=l.mul=function(e){var r,t=this.constructor,n=this.c,i=(e=new t(e)).c,s=n.length,o=i.length,f=this.e,c=e.e;if(e.s=this.s==e.s?1:-1,!n[0]||!i[0])return new t(0*e.s);for(e.e=f+c,s<o&&(r=n,n=i,i=r,c=s,s=o,o=c),r=new Array(c=s+o);c--;)r[c]=0;for(f=o;f--;){for(o=0,c=s+f;f<c;)o=r[c]+i[f]*n[c-f-1]+o,r[c--]=o%10,o=o/10|0;r[c]=(r[c]+o)%10}for(o?++e.e:r.shift(),f=r.length;!r[--f];)r.pop();return e.c=r,e},l.toExponential=function(e){return t(this,1,e,e)},l.toFixed=function(e){return t(this,2,e,this.e+e)},l.toPrecision=function(e){return t(this,3,e,e-1)},l.toString=function(){return t(this)},l.valueOf=l.toJSON=function(){return t(this,4)},(r=function t(){function n(e){var r=this;if(!(r instanceof n))return e===D?t():new n(e);e instanceof n?(r.s=e.s,r.e=e.e,r.c=e.c.slice()):function(e,r){var t,n,i;if(0===r&&1/r<0)r="-0";else if(!a.test(r+=""))throw Error(u+"number");for(e.s="-"==r.charAt(0)?(r=r.slice(1),-1):1,-1<(t=r.indexOf("."))&&(r=r.replace(".","")),0<(n=r.search(/e/i))?(t<0&&(t=n),t+=+r.slice(n+1),r=r.substring(0,n)):t<0&&(t=r.length),i=r.length,n=0;n<i&&"0"==r.charAt(n);)++n;if(n==i)e.c=[e.e=0];else{for(;0<i&&"0"==r.charAt(--i););for(e.e=t-n-1,e.c=[],t=0;n<=i;)e.c[t++]=+r.charAt(n++)}}(r,e),r.constructor=n}return n.prototype=l,n.DP=i,n.RM=s,n.NE=o,n.PE=f,n.version="5.2.2",n}()).default=r.Big=r,"function"==typeof define&&define.amd?define(function(){return r}):"undefined"!=typeof module&&module.exports?module.exports=r:e.Big=r}(this);
\ No newline at end of file
diff --git a/node_modules/big.js/big.mjs b/node_modules/big.js/big.mjs
new file mode 100644
index 00000000..a3d1d36d
--- /dev/null
+++ b/node_modules/big.js/big.mjs
@@ -0,0 +1,924 @@
+/*
+ *  big.js v5.2.2
+ *  A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic.
+ *  Copyright (c) 2018 Michael Mclaughlin <M8ch88l@gmail.com>
+ *  https://github.com/MikeMcl/big.js/LICENCE
+ */
+
+
+/************************************** EDITABLE DEFAULTS *****************************************/
+
+
+  // The default values below must be integers within the stated ranges.
+
+  /*
+   * The maximum number of decimal places (DP) of the results of operations involving division:
+   * div and sqrt, and pow with negative exponents.
+   */
+var DP = 20,          // 0 to MAX_DP
+
+  /*
+   * The rounding mode (RM) used when rounding to the above decimal places.
+   *
+   *  0  Towards zero (i.e. truncate, no rounding).       (ROUND_DOWN)
+   *  1  To nearest neighbour. If equidistant, round up.  (ROUND_HALF_UP)
+   *  2  To nearest neighbour. If equidistant, to even.   (ROUND_HALF_EVEN)
+   *  3  Away from zero.                                  (ROUND_UP)
+   */
+  RM = 1,             // 0, 1, 2 or 3
+
+  // The maximum value of DP and Big.DP.
+  MAX_DP = 1E6,       // 0 to 1000000
+
+  // The maximum magnitude of the exponent argument to the pow method.
+  MAX_POWER = 1E6,    // 1 to 1000000
+
+  /*
+   * The negative exponent (NE) at and beneath which toString returns exponential notation.
+   * (JavaScript numbers: -7)
+   * -1000000 is the minimum recommended exponent value of a Big.
+   */
+  NE = -7,            // 0 to -1000000
+
+  /*
+   * The positive exponent (PE) at and above which toString returns exponential notation.
+   * (JavaScript numbers: 21)
+   * 1000000 is the maximum recommended exponent value of a Big.
+   * (This limit is not enforced or checked.)
+   */
+  PE = 21,            // 0 to 1000000
+
+
+/**************************************************************************************************/
+
+
+  // Error messages.
+  NAME = '[big.js] ',
+  INVALID = NAME + 'Invalid ',
+  INVALID_DP = INVALID + 'decimal places',
+  INVALID_RM = INVALID + 'rounding mode',
+  DIV_BY_ZERO = NAME + 'Division by zero',
+
+  // The shared prototype object.
+  P = {},
+  UNDEFINED = void 0,
+  NUMERIC = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i;
+
+
+/*
+ * Create and return a Big constructor.
+ *
+ */
+function _Big_() {
+
+  /*
+   * The Big constructor and exported function.
+   * Create and return a new instance of a Big number object.
+   *
+   * n {number|string|Big} A numeric value.
+   */
+  function Big(n) {
+    var x = this;
+
+    // Enable constructor usage without new.
+    if (!(x instanceof Big)) return n === UNDEFINED ? _Big_() : new Big(n);
+
+    // Duplicate.
+    if (n instanceof Big) {
+      x.s = n.s;
+      x.e = n.e;
+      x.c = n.c.slice();
+    } else {
+      parse(x, n);
+    }
+
+    /*
+     * Retain a reference to this Big constructor, and shadow Big.prototype.constructor which
+     * points to Object.
+     */
+    x.constructor = Big;
+  }
+
+  Big.prototype = P;
+  Big.DP = DP;
+  Big.RM = RM;
+  Big.NE = NE;
+  Big.PE = PE;
+  Big.version = '5.2.2';
+
+  return Big;
+}
+
+
+/*
+ * Parse the number or string value passed to a Big constructor.
+ *
+ * x {Big} A Big number instance.
+ * n {number|string} A numeric value.
+ */
+function parse(x, n) {
+  var e, i, nl;
+
+  // Minus zero?
+  if (n === 0 && 1 / n < 0) n = '-0';
+  else if (!NUMERIC.test(n += '')) throw Error(INVALID + 'number');
+
+  // Determine sign.
+  x.s = n.charAt(0) == '-' ? (n = n.slice(1), -1) : 1;
+
+  // Decimal point?
+  if ((e = n.indexOf('.')) > -1) n = n.replace('.', '');
+
+  // Exponential form?
+  if ((i = n.search(/e/i)) > 0) {
+
+    // Determine exponent.
+    if (e < 0) e = i;
+    e += +n.slice(i + 1);
+    n = n.substring(0, i);
+  } else if (e < 0) {
+
+    // Integer.
+    e = n.length;
+  }
+
+  nl = n.length;
+
+  // Determine leading zeros.
+  for (i = 0; i < nl && n.charAt(i) == '0';) ++i;
+
+  if (i == nl) {
+
+    // Zero.
+    x.c = [x.e = 0];
+  } else {
+
+    // Determine trailing zeros.
+    for (; nl > 0 && n.charAt(--nl) == '0';);
+    x.e = e - i - 1;
+    x.c = [];
+
+    // Convert string to array of digits without leading/trailing zeros.
+    for (e = 0; i <= nl;) x.c[e++] = +n.charAt(i++);
+  }
+
+  return x;
+}
+
+
+/*
+ * Round Big x to a maximum of dp decimal places using rounding mode rm.
+ * Called by stringify, P.div, P.round and P.sqrt.
+ *
+ * x {Big} The Big to round.
+ * dp {number} Integer, 0 to MAX_DP inclusive.
+ * rm {number} 0, 1, 2 or 3 (DOWN, HALF_UP, HALF_EVEN, UP)
+ * [more] {boolean} Whether the result of division was truncated.
+ */
+function round(x, dp, rm, more) {
+  var xc = x.c,
+    i = x.e + dp + 1;
+
+  if (i < xc.length) {
+    if (rm === 1) {
+
+      // xc[i] is the digit after the digit that may be rounded up.
+      more = xc[i] >= 5;
+    } else if (rm === 2) {
+      more = xc[i] > 5 || xc[i] == 5 &&
+        (more || i < 0 || xc[i + 1] !== UNDEFINED || xc[i - 1] & 1);
+    } else if (rm === 3) {
+      more = more || !!xc[0];
+    } else {
+      more = false;
+      if (rm !== 0) throw Error(INVALID_RM);
+    }
+
+    if (i < 1) {
+      xc.length = 1;
+
+      if (more) {
+
+        // 1, 0.1, 0.01, 0.001, 0.0001 etc.
+        x.e = -dp;
+        xc[0] = 1;
+      } else {
+
+        // Zero.
+        xc[0] = x.e = 0;
+      }
+    } else {
+
+      // Remove any digits after the required decimal places.
+      xc.length = i--;
+
+      // Round up?
+      if (more) {
+
+        // Rounding up may mean the previous digit has to be rounded up.
+        for (; ++xc[i] > 9;) {
+          xc[i] = 0;
+          if (!i--) {
+            ++x.e;
+            xc.unshift(1);
+          }
+        }
+      }
+
+      // Remove trailing zeros.
+      for (i = xc.length; !xc[--i];) xc.pop();
+    }
+  } else if (rm < 0 || rm > 3 || rm !== ~~rm) {
+    throw Error(INVALID_RM);
+  }
+
+  return x;
+}
+
+
+/*
+ * Return a string representing the value of Big x in normal or exponential notation.
+ * Handles P.toExponential, P.toFixed, P.toJSON, P.toPrecision, P.toString and P.valueOf.
+ *
+ * x {Big}
+ * id? {number} Caller id.
+ *         1 toExponential
+ *         2 toFixed
+ *         3 toPrecision
+ *         4 valueOf
+ * n? {number|undefined} Caller's argument.
+ * k? {number|undefined}
+ */
+function stringify(x, id, n, k) {
+  var e, s,
+    Big = x.constructor,
+    z = !x.c[0];
+
+  if (n !== UNDEFINED) {
+    if (n !== ~~n || n < (id == 3) || n > MAX_DP) {
+      throw Error(id == 3 ? INVALID + 'precision' : INVALID_DP);
+    }
+
+    x = new Big(x);
+
+    // The index of the digit that may be rounded up.
+    n = k - x.e;
+
+    // Round?
+    if (x.c.length > ++k) round(x, n, Big.RM);
+
+    // toFixed: recalculate k as x.e may have changed if value rounded up.
+    if (id == 2) k = x.e + n + 1;
+
+    // Append zeros?
+    for (; x.c.length < k;) x.c.push(0);
+  }
+
+  e = x.e;
+  s = x.c.join('');
+  n = s.length;
+
+  // Exponential notation?
+  if (id != 2 && (id == 1 || id == 3 && k <= e || e <= Big.NE || e >= Big.PE)) {
+    s = s.charAt(0) + (n > 1 ? '.' + s.slice(1) : '') + (e < 0 ? 'e' : 'e+') + e;
+
+  // Normal notation.
+  } else if (e < 0) {
+    for (; ++e;) s = '0' + s;
+    s = '0.' + s;
+  } else if (e > 0) {
+    if (++e > n) for (e -= n; e--;) s += '0';
+    else if (e < n) s = s.slice(0, e) + '.' + s.slice(e);
+  } else if (n > 1) {
+    s = s.charAt(0) + '.' + s.slice(1);
+  }
+
+  return x.s < 0 && (!z || id == 4) ? '-' + s : s;
+}
+
+
+// Prototype/instance methods
+
+
+/*
+ * Return a new Big whose value is the absolute value of this Big.
+ */
+P.abs = function () {
+  var x = new this.constructor(this);
+  x.s = 1;
+  return x;
+};
+
+
+/*
+ * Return 1 if the value of this Big is greater than the value of Big y,
+ *       -1 if the value of this Big is less than the value of Big y, or
+ *        0 if they have the same value.
+*/
+P.cmp = function (y) {
+  var isneg,
+    x = this,
+    xc = x.c,
+    yc = (y = new x.constructor(y)).c,
+    i = x.s,
+    j = y.s,
+    k = x.e,
+    l = y.e;
+
+  // Either zero?
+  if (!xc[0] || !yc[0]) return !xc[0] ? !yc[0] ? 0 : -j : i;
+
+  // Signs differ?
+  if (i != j) return i;
+
+  isneg = i < 0;
+
+  // Compare exponents.
+  if (k != l) return k > l ^ isneg ? 1 : -1;
+
+  j = (k = xc.length) < (l = yc.length) ? k : l;
+
+  // Compare digit by digit.
+  for (i = -1; ++i < j;) {
+    if (xc[i] != yc[i]) return xc[i] > yc[i] ^ isneg ? 1 : -1;
+  }
+
+  // Compare lengths.
+  return k == l ? 0 : k > l ^ isneg ? 1 : -1;
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big divided by the value of Big y, rounded,
+ * if necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+ */
+P.div = function (y) {
+  var x = this,
+    Big = x.constructor,
+    a = x.c,                  // dividend
+    b = (y = new Big(y)).c,   // divisor
+    k = x.s == y.s ? 1 : -1,
+    dp = Big.DP;
+
+  if (dp !== ~~dp || dp < 0 || dp > MAX_DP) throw Error(INVALID_DP);
+
+  // Divisor is zero?
+  if (!b[0]) throw Error(DIV_BY_ZERO);
+
+  // Dividend is 0? Return +-0.
+  if (!a[0]) return new Big(k * 0);
+
+  var bl, bt, n, cmp, ri,
+    bz = b.slice(),
+    ai = bl = b.length,
+    al = a.length,
+    r = a.slice(0, bl),   // remainder
+    rl = r.length,
+    q = y,                // quotient
+    qc = q.c = [],
+    qi = 0,
+    d = dp + (q.e = x.e - y.e) + 1;    // number of digits of the result
+
+  q.s = k;
+  k = d < 0 ? 0 : d;
+
+  // Create version of divisor with leading zero.
+  bz.unshift(0);
+
+  // Add zeros to make remainder as long as divisor.
+  for (; rl++ < bl;) r.push(0);
+
+  do {
+
+    // n is how many times the divisor goes into current remainder.
+    for (n = 0; n < 10; n++) {
+
+      // Compare divisor and remainder.
+      if (bl != (rl = r.length)) {
+        cmp = bl > rl ? 1 : -1;
+      } else {
+        for (ri = -1, cmp = 0; ++ri < bl;) {
+          if (b[ri] != r[ri]) {
+            cmp = b[ri] > r[ri] ? 1 : -1;
+            break;
+          }
+        }
+      }
+
+      // If divisor < remainder, subtract divisor from remainder.
+      if (cmp < 0) {
+
+        // Remainder can't be more than 1 digit longer than divisor.
+        // Equalise lengths using divisor with extra leading zero?
+        for (bt = rl == bl ? b : bz; rl;) {
+          if (r[--rl] < bt[rl]) {
+            ri = rl;
+            for (; ri && !r[--ri];) r[ri] = 9;
+            --r[ri];
+            r[rl] += 10;
+          }
+          r[rl] -= bt[rl];
+        }
+
+        for (; !r[0];) r.shift();
+      } else {
+        break;
+      }
+    }
+
+    // Add the digit n to the result array.
+    qc[qi++] = cmp ? n : ++n;
+
+    // Update the remainder.
+    if (r[0] && cmp) r[rl] = a[ai] || 0;
+    else r = [a[ai]];
+
+  } while ((ai++ < al || r[0] !== UNDEFINED) && k--);
+
+  // Leading zero? Do not remove if result is simply zero (qi == 1).
+  if (!qc[0] && qi != 1) {
+
+    // There can't be more than one zero.
+    qc.shift();
+    q.e--;
+  }
+
+  // Round?
+  if (qi > d) round(q, dp, Big.RM, r[0] !== UNDEFINED);
+
+  return q;
+};
+
+
+/*
+ * Return true if the value of this Big is equal to the value of Big y, otherwise return false.
+ */
+P.eq = function (y) {
+  return !this.cmp(y);
+};
+
+
+/*
+ * Return true if the value of this Big is greater than the value of Big y, otherwise return
+ * false.
+ */
+P.gt = function (y) {
+  return this.cmp(y) > 0;
+};
+
+
+/*
+ * Return true if the value of this Big is greater than or equal to the value of Big y, otherwise
+ * return false.
+ */
+P.gte = function (y) {
+  return this.cmp(y) > -1;
+};
+
+
+/*
+ * Return true if the value of this Big is less than the value of Big y, otherwise return false.
+ */
+P.lt = function (y) {
+  return this.cmp(y) < 0;
+};
+
+
+/*
+ * Return true if the value of this Big is less than or equal to the value of Big y, otherwise
+ * return false.
+ */
+P.lte = function (y) {
+  return this.cmp(y) < 1;
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big minus the value of Big y.
+ */
+P.minus = P.sub = function (y) {
+  var i, j, t, xlty,
+    x = this,
+    Big = x.constructor,
+    a = x.s,
+    b = (y = new Big(y)).s;
+
+  // Signs differ?
+  if (a != b) {
+    y.s = -b;
+    return x.plus(y);
+  }
+
+  var xc = x.c.slice(),
+    xe = x.e,
+    yc = y.c,
+    ye = y.e;
+
+  // Either zero?
+  if (!xc[0] || !yc[0]) {
+
+    // y is non-zero? x is non-zero? Or both are zero.
+    return yc[0] ? (y.s = -b, y) : new Big(xc[0] ? x : 0);
+  }
+
+  // Determine which is the bigger number. Prepend zeros to equalise exponents.
+  if (a = xe - ye) {
+
+    if (xlty = a < 0) {
+      a = -a;
+      t = xc;
+    } else {
+      ye = xe;
+      t = yc;
+    }
+
+    t.reverse();
+    for (b = a; b--;) t.push(0);
+    t.reverse();
+  } else {
+
+    // Exponents equal. Check digit by digit.
+    j = ((xlty = xc.length < yc.length) ? xc : yc).length;
+
+    for (a = b = 0; b < j; b++) {
+      if (xc[b] != yc[b]) {
+        xlty = xc[b] < yc[b];
+        break;
+      }
+    }
+  }
+
+  // x < y? Point xc to the array of the bigger number.
+  if (xlty) {
+    t = xc;
+    xc = yc;
+    yc = t;
+    y.s = -y.s;
+  }
+
+  /*
+   * Append zeros to xc if shorter. No need to add zeros to yc if shorter as subtraction only
+   * needs to start at yc.length.
+   */
+  if ((b = (j = yc.length) - (i = xc.length)) > 0) for (; b--;) xc[i++] = 0;
+
+  // Subtract yc from xc.
+  for (b = i; j > a;) {
+    if (xc[--j] < yc[j]) {
+      for (i = j; i && !xc[--i];) xc[i] = 9;
+      --xc[i];
+      xc[j] += 10;
+    }
+
+    xc[j] -= yc[j];
+  }
+
+  // Remove trailing zeros.
+  for (; xc[--b] === 0;) xc.pop();
+
+  // Remove leading zeros and adjust exponent accordingly.
+  for (; xc[0] === 0;) {
+    xc.shift();
+    --ye;
+  }
+
+  if (!xc[0]) {
+
+    // n - n = +0
+    y.s = 1;
+
+    // Result must be zero.
+    xc = [ye = 0];
+  }
+
+  y.c = xc;
+  y.e = ye;
+
+  return y;
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big modulo the value of Big y.
+ */
+P.mod = function (y) {
+  var ygtx,
+    x = this,
+    Big = x.constructor,
+    a = x.s,
+    b = (y = new Big(y)).s;
+
+  if (!y.c[0]) throw Error(DIV_BY_ZERO);
+
+  x.s = y.s = 1;
+  ygtx = y.cmp(x) == 1;
+  x.s = a;
+  y.s = b;
+
+  if (ygtx) return new Big(x);
+
+  a = Big.DP;
+  b = Big.RM;
+  Big.DP = Big.RM = 0;
+  x = x.div(y);
+  Big.DP = a;
+  Big.RM = b;
+
+  return this.minus(x.times(y));
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big plus the value of Big y.
+ */
+P.plus = P.add = function (y) {
+  var t,
+    x = this,
+    Big = x.constructor,
+    a = x.s,
+    b = (y = new Big(y)).s;
+
+  // Signs differ?
+  if (a != b) {
+    y.s = -b;
+    return x.minus(y);
+  }
+
+  var xe = x.e,
+    xc = x.c,
+    ye = y.e,
+    yc = y.c;
+
+  // Either zero? y is non-zero? x is non-zero? Or both are zero.
+  if (!xc[0] || !yc[0]) return yc[0] ? y : new Big(xc[0] ? x : a * 0);
+
+  xc = xc.slice();
+
+  // Prepend zeros to equalise exponents.
+  // Note: reverse faster than unshifts.
+  if (a = xe - ye) {
+    if (a > 0) {
+      ye = xe;
+      t = yc;
+    } else {
+      a = -a;
+      t = xc;
+    }
+
+    t.reverse();
+    for (; a--;) t.push(0);
+    t.reverse();
+  }
+
+  // Point xc to the longer array.
+  if (xc.length - yc.length < 0) {
+    t = yc;
+    yc = xc;
+    xc = t;
+  }
+
+  a = yc.length;
+
+  // Only start adding at yc.length - 1 as the further digits of xc can be left as they are.
+  for (b = 0; a; xc[a] %= 10) b = (xc[--a] = xc[a] + yc[a] + b) / 10 | 0;
+
+  // No need to check for zero, as +x + +y != 0 && -x + -y != 0
+
+  if (b) {
+    xc.unshift(b);
+    ++ye;
+  }
+
+  // Remove trailing zeros.
+  for (a = xc.length; xc[--a] === 0;) xc.pop();
+
+  y.c = xc;
+  y.e = ye;
+
+  return y;
+};
+
+
+/*
+ * Return a Big whose value is the value of this Big raised to the power n.
+ * If n is negative, round to a maximum of Big.DP decimal places using rounding
+ * mode Big.RM.
+ *
+ * n {number} Integer, -MAX_POWER to MAX_POWER inclusive.
+ */
+P.pow = function (n) {
+  var x = this,
+    one = new x.constructor(1),
+    y = one,
+    isneg = n < 0;
+
+  if (n !== ~~n || n < -MAX_POWER || n > MAX_POWER) throw Error(INVALID + 'exponent');
+  if (isneg) n = -n;
+
+  for (;;) {
+    if (n & 1) y = y.times(x);
+    n >>= 1;
+    if (!n) break;
+    x = x.times(x);
+  }
+
+  return isneg ? one.div(y) : y;
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big rounded using rounding mode rm
+ * to a maximum of dp decimal places, or, if dp is negative, to an integer which is a
+ * multiple of 10**-dp.
+ * If dp is not specified, round to 0 decimal places.
+ * If rm is not specified, use Big.RM.
+ *
+ * dp? {number} Integer, -MAX_DP to MAX_DP inclusive.
+ * rm? 0, 1, 2 or 3 (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_UP)
+ */
+P.round = function (dp, rm) {
+  var Big = this.constructor;
+  if (dp === UNDEFINED) dp = 0;
+  else if (dp !== ~~dp || dp < -MAX_DP || dp > MAX_DP) throw Error(INVALID_DP);
+  return round(new Big(this), dp, rm === UNDEFINED ? Big.RM : rm);
+};
+
+
+/*
+ * Return a new Big whose value is the square root of the value of this Big, rounded, if
+ * necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+ */
+P.sqrt = function () {
+  var r, c, t,
+    x = this,
+    Big = x.constructor,
+    s = x.s,
+    e = x.e,
+    half = new Big(0.5);
+
+  // Zero?
+  if (!x.c[0]) return new Big(x);
+
+  // Negative?
+  if (s < 0) throw Error(NAME + 'No square root');
+
+  // Estimate.
+  s = Math.sqrt(x + '');
+
+  // Math.sqrt underflow/overflow?
+  // Re-estimate: pass x coefficient to Math.sqrt as integer, then adjust the result exponent.
+  if (s === 0 || s === 1 / 0) {
+    c = x.c.join('');
+    if (!(c.length + e & 1)) c += '0';
+    s = Math.sqrt(c);
+    e = ((e + 1) / 2 | 0) - (e < 0 || e & 1);
+    r = new Big((s == 1 / 0 ? '1e' : (s = s.toExponential()).slice(0, s.indexOf('e') + 1)) + e);
+  } else {
+    r = new Big(s);
+  }
+
+  e = r.e + (Big.DP += 4);
+
+  // Newton-Raphson iteration.
+  do {
+    t = r;
+    r = half.times(t.plus(x.div(t)));
+  } while (t.c.slice(0, e).join('') !== r.c.slice(0, e).join(''));
+
+  return round(r, Big.DP -= 4, Big.RM);
+};
+
+
+/*
+ * Return a new Big whose value is the value of this Big times the value of Big y.
+ */
+P.times = P.mul = function (y) {
+  var c,
+    x = this,
+    Big = x.constructor,
+    xc = x.c,
+    yc = (y = new Big(y)).c,
+    a = xc.length,
+    b = yc.length,
+    i = x.e,
+    j = y.e;
+
+  // Determine sign of result.
+  y.s = x.s == y.s ? 1 : -1;
+
+  // Return signed 0 if either 0.
+  if (!xc[0] || !yc[0]) return new Big(y.s * 0);
+
+  // Initialise exponent of result as x.e + y.e.
+  y.e = i + j;
+
+  // If array xc has fewer digits than yc, swap xc and yc, and lengths.
+  if (a < b) {
+    c = xc;
+    xc = yc;
+    yc = c;
+    j = a;
+    a = b;
+    b = j;
+  }
+
+  // Initialise coefficient array of result with zeros.
+  for (c = new Array(j = a + b); j--;) c[j] = 0;
+
+  // Multiply.
+
+  // i is initially xc.length.
+  for (i = b; i--;) {
+    b = 0;
+
+    // a is yc.length.
+    for (j = a + i; j > i;) {
+
+      // Current sum of products at this digit position, plus carry.
+      b = c[j] + yc[i] * xc[j - i - 1] + b;
+      c[j--] = b % 10;
+
+      // carry
+      b = b / 10 | 0;
+    }
+
+    c[j] = (c[j] + b) % 10;
+  }
+
+  // Increment result exponent if there is a final carry, otherwise remove leading zero.
+  if (b) ++y.e;
+  else c.shift();
+
+  // Remove trailing zeros.
+  for (i = c.length; !c[--i];) c.pop();
+  y.c = c;
+
+  return y;
+};
+
+
+/*
+ * Return a string representing the value of this Big in exponential notation to dp fixed decimal
+ * places and rounded using Big.RM.
+ *
+ * dp? {number} Integer, 0 to MAX_DP inclusive.
+ */
+P.toExponential = function (dp) {
+  return stringify(this, 1, dp, dp);
+};
+
+
+/*
+ * Return a string representing the value of this Big in normal notation to dp fixed decimal
+ * places and rounded using Big.RM.
+ *
+ * dp? {number} Integer, 0 to MAX_DP inclusive.
+ *
+ * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'.
+ * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
+ */
+P.toFixed = function (dp) {
+  return stringify(this, 2, dp, this.e + dp);
+};
+
+
+/*
+ * Return a string representing the value of this Big rounded to sd significant digits using
+ * Big.RM. Use exponential notation if sd is less than the number of digits necessary to represent
+ * the integer part of the value in normal notation.
+ *
+ * sd {number} Integer, 1 to MAX_DP inclusive.
+ */
+P.toPrecision = function (sd) {
+  return stringify(this, 3, sd, sd - 1);
+};
+
+
+/*
+ * Return a string representing the value of this Big.
+ * Return exponential notation if this Big has a positive exponent equal to or greater than
+ * Big.PE, or a negative exponent equal to or less than Big.NE.
+ * Omit the sign for negative zero.
+ */
+P.toString = function () {
+  return stringify(this);
+};
+
+
+/*
+ * Return a string representing the value of this Big.
+ * Return exponential notation if this Big has a positive exponent equal to or greater than
+ * Big.PE, or a negative exponent equal to or less than Big.NE.
+ * Include the sign for negative zero.
+ */
+P.valueOf = P.toJSON = function () {
+  return stringify(this, 4);
+};
+
+
+// Export
+
+
+export var Big = _Big_();
+
+export default Big;
diff --git a/node_modules/big.js/package.json b/node_modules/big.js/package.json
new file mode 100644
index 00000000..9da9b921
--- /dev/null
+++ b/node_modules/big.js/package.json
@@ -0,0 +1,50 @@
+{
+  "name": "big.js",
+  "description": "A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic",
+  "version": "5.2.2",
+  "keywords": [
+    "arbitrary",
+    "precision",
+    "arithmetic",
+    "big",
+    "number",
+    "decimal",
+    "float",
+    "biginteger",
+    "bigdecimal",
+    "bignumber",
+    "bigint",
+    "bignum"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/MikeMcl/big.js.git"
+  },
+  "main": "big",
+  "browser": "big.js",
+  "module": "big.mjs",
+  "author": {
+    "name": "Michael Mclaughlin",
+    "email": "M8ch88l@gmail.com"
+  },
+  "bugs": {
+    "url": "https://github.com/MikeMcl/big.js/issues"
+  },
+  "engines": {
+    "node": "*"
+  },
+  "license": "MIT",
+  "scripts": {
+    "test": "node ./test/every-test.js",
+    "build": "uglifyjs big.js --source-map -c -m -o big.min.js"
+  },
+  "files": [
+    "big.js",
+    "big.mjs",
+    "big.min.js"
+  ],
+  "collective": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/bigjs"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/binary-extensions/binary-extensions.json b/node_modules/binary-extensions/binary-extensions.json
new file mode 100644
index 00000000..ac08048e
--- /dev/null
+++ b/node_modules/binary-extensions/binary-extensions.json
@@ -0,0 +1,263 @@
+[
+	"3dm",
+	"3ds",
+	"3g2",
+	"3gp",
+	"7z",
+	"a",
+	"aac",
+	"adp",
+	"afdesign",
+	"afphoto",
+	"afpub",
+	"ai",
+	"aif",
+	"aiff",
+	"alz",
+	"ape",
+	"apk",
+	"appimage",
+	"ar",
+	"arj",
+	"asf",
+	"au",
+	"avi",
+	"bak",
+	"baml",
+	"bh",
+	"bin",
+	"bk",
+	"bmp",
+	"btif",
+	"bz2",
+	"bzip2",
+	"cab",
+	"caf",
+	"cgm",
+	"class",
+	"cmx",
+	"cpio",
+	"cr2",
+	"cur",
+	"dat",
+	"dcm",
+	"deb",
+	"dex",
+	"djvu",
+	"dll",
+	"dmg",
+	"dng",
+	"doc",
+	"docm",
+	"docx",
+	"dot",
+	"dotm",
+	"dra",
+	"DS_Store",
+	"dsk",
+	"dts",
+	"dtshd",
+	"dvb",
+	"dwg",
+	"dxf",
+	"ecelp4800",
+	"ecelp7470",
+	"ecelp9600",
+	"egg",
+	"eol",
+	"eot",
+	"epub",
+	"exe",
+	"f4v",
+	"fbs",
+	"fh",
+	"fla",
+	"flac",
+	"flatpak",
+	"fli",
+	"flv",
+	"fpx",
+	"fst",
+	"fvt",
+	"g3",
+	"gh",
+	"gif",
+	"graffle",
+	"gz",
+	"gzip",
+	"h261",
+	"h263",
+	"h264",
+	"icns",
+	"ico",
+	"ief",
+	"img",
+	"ipa",
+	"iso",
+	"jar",
+	"jpeg",
+	"jpg",
+	"jpgv",
+	"jpm",
+	"jxr",
+	"key",
+	"ktx",
+	"lha",
+	"lib",
+	"lvp",
+	"lz",
+	"lzh",
+	"lzma",
+	"lzo",
+	"m3u",
+	"m4a",
+	"m4v",
+	"mar",
+	"mdi",
+	"mht",
+	"mid",
+	"midi",
+	"mj2",
+	"mka",
+	"mkv",
+	"mmr",
+	"mng",
+	"mobi",
+	"mov",
+	"movie",
+	"mp3",
+	"mp4",
+	"mp4a",
+	"mpeg",
+	"mpg",
+	"mpga",
+	"mxu",
+	"nef",
+	"npx",
+	"numbers",
+	"nupkg",
+	"o",
+	"odp",
+	"ods",
+	"odt",
+	"oga",
+	"ogg",
+	"ogv",
+	"otf",
+	"ott",
+	"pages",
+	"pbm",
+	"pcx",
+	"pdb",
+	"pdf",
+	"pea",
+	"pgm",
+	"pic",
+	"png",
+	"pnm",
+	"pot",
+	"potm",
+	"potx",
+	"ppa",
+	"ppam",
+	"ppm",
+	"pps",
+	"ppsm",
+	"ppsx",
+	"ppt",
+	"pptm",
+	"pptx",
+	"psd",
+	"pya",
+	"pyc",
+	"pyo",
+	"pyv",
+	"qt",
+	"rar",
+	"ras",
+	"raw",
+	"resources",
+	"rgb",
+	"rip",
+	"rlc",
+	"rmf",
+	"rmvb",
+	"rpm",
+	"rtf",
+	"rz",
+	"s3m",
+	"s7z",
+	"scpt",
+	"sgi",
+	"shar",
+	"snap",
+	"sil",
+	"sketch",
+	"slk",
+	"smv",
+	"snk",
+	"so",
+	"stl",
+	"suo",
+	"sub",
+	"swf",
+	"tar",
+	"tbz",
+	"tbz2",
+	"tga",
+	"tgz",
+	"thmx",
+	"tif",
+	"tiff",
+	"tlz",
+	"ttc",
+	"ttf",
+	"txz",
+	"udf",
+	"uvh",
+	"uvi",
+	"uvm",
+	"uvp",
+	"uvs",
+	"uvu",
+	"viv",
+	"vob",
+	"war",
+	"wav",
+	"wax",
+	"wbmp",
+	"wdp",
+	"weba",
+	"webm",
+	"webp",
+	"whl",
+	"wim",
+	"wm",
+	"wma",
+	"wmv",
+	"wmx",
+	"woff",
+	"woff2",
+	"wrm",
+	"wvx",
+	"xbm",
+	"xif",
+	"xla",
+	"xlam",
+	"xls",
+	"xlsb",
+	"xlsm",
+	"xlsx",
+	"xlt",
+	"xltm",
+	"xltx",
+	"xm",
+	"xmind",
+	"xpi",
+	"xpm",
+	"xwd",
+	"xz",
+	"z",
+	"zip",
+	"zipx"
+]
diff --git a/node_modules/binary-extensions/binary-extensions.json.d.ts b/node_modules/binary-extensions/binary-extensions.json.d.ts
new file mode 100644
index 00000000..94a248c2
--- /dev/null
+++ b/node_modules/binary-extensions/binary-extensions.json.d.ts
@@ -0,0 +1,3 @@
+declare const binaryExtensionsJson: readonly string[];
+
+export = binaryExtensionsJson;
diff --git a/node_modules/binary-extensions/index.d.ts b/node_modules/binary-extensions/index.d.ts
new file mode 100644
index 00000000..f469ac5f
--- /dev/null
+++ b/node_modules/binary-extensions/index.d.ts
@@ -0,0 +1,14 @@
+/**
+List of binary file extensions.
+
+@example
+```
+import binaryExtensions = require('binary-extensions');
+
+console.log(binaryExtensions);
+//=> ['3ds', '3g2', …]
+```
+*/
+declare const binaryExtensions: readonly string[];
+
+export = binaryExtensions;
diff --git a/node_modules/binary-extensions/index.js b/node_modules/binary-extensions/index.js
new file mode 100644
index 00000000..d46e4688
--- /dev/null
+++ b/node_modules/binary-extensions/index.js
@@ -0,0 +1 @@
+module.exports = require('./binary-extensions.json');
diff --git a/node_modules/binary-extensions/license b/node_modules/binary-extensions/license
new file mode 100644
index 00000000..5493a1a6
--- /dev/null
+++ b/node_modules/binary-extensions/license
@@ -0,0 +1,10 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
+Copyright (c) Paul Miller (https://paulmillr.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/binary-extensions/package.json b/node_modules/binary-extensions/package.json
new file mode 100644
index 00000000..4710c339
--- /dev/null
+++ b/node_modules/binary-extensions/package.json
@@ -0,0 +1,40 @@
+{
+	"name": "binary-extensions",
+	"version": "2.3.0",
+	"description": "List of binary file extensions",
+	"license": "MIT",
+	"repository": "sindresorhus/binary-extensions",
+	"funding": "https://github.com/sponsors/sindresorhus",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "https://sindresorhus.com"
+	},
+	"sideEffects": false,
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts",
+		"binary-extensions.json",
+		"binary-extensions.json.d.ts"
+	],
+	"keywords": [
+		"binary",
+		"extensions",
+		"extension",
+		"file",
+		"json",
+		"list",
+		"array"
+	],
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/node_modules/binary-extensions/readme.md b/node_modules/binary-extensions/readme.md
new file mode 100644
index 00000000..88519b3a
--- /dev/null
+++ b/node_modules/binary-extensions/readme.md
@@ -0,0 +1,25 @@
+# binary-extensions
+
+> List of binary file extensions
+
+The list is just a [JSON file](binary-extensions.json) and can be used anywhere.
+
+## Install
+
+```sh
+npm install binary-extensions
+```
+
+## Usage
+
+```js
+const binaryExtensions = require('binary-extensions');
+
+console.log(binaryExtensions);
+//=> ['3ds', '3g2', …]
+```
+
+## Related
+
+- [is-binary-path](https://github.com/sindresorhus/is-binary-path) - Check if a filepath is a binary file
+- [text-extensions](https://github.com/sindresorhus/text-extensions) - List of text file extensions
diff --git a/node_modules/bluebird/LICENSE b/node_modules/bluebird/LICENSE
new file mode 100644
index 00000000..b24e6350
--- /dev/null
+++ b/node_modules/bluebird/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2013-2018 Petka Antonov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/bluebird/README.md b/node_modules/bluebird/README.md
new file mode 100644
index 00000000..7c1dd661
--- /dev/null
+++ b/node_modules/bluebird/README.md
@@ -0,0 +1,57 @@
+<a href="http://promisesaplus.com/">
+    <img src="http://promisesaplus.com/assets/logo-small.png" alt="Promises/A+ logo"
+         title="Promises/A+ 1.1 compliant" align="right" />
+</a>
+
+
+[![Build Status](https://travis-ci.org/petkaantonov/bluebird.svg?branch=master)](https://travis-ci.org/petkaantonov/bluebird)
+[![coverage-98%](https://img.shields.io/badge/coverage-98%25-brightgreen.svg?style=flat)](http://petkaantonov.github.io/bluebird/coverage/debug/index.html)
+
+**Got a question?** Join us on [stackoverflow](http://stackoverflow.com/questions/tagged/bluebird), the [mailing list](https://groups.google.com/forum/#!forum/bluebird-js) or chat on [IRC](https://webchat.freenode.net/?channels=#promises)
+
+# Introduction
+
+Bluebird is a fully featured promise library with focus on innovative features and performance
+
+See the [**bluebird website**](http://bluebirdjs.com/docs/getting-started.html) for further documentation, references and instructions. See the [**API reference**](http://bluebirdjs.com/docs/api-reference.html) here.
+
+For bluebird 2.x documentation and files, see the [2.x tree](https://github.com/petkaantonov/bluebird/tree/2.x).
+
+### Note 
+
+Promises in Node.js 10 are significantly faster than before. Bluebird still includes a lot of features like cancellation, iteration methods and warnings that native promises don't. If you are using Bluebird for performance rather than for those - please consider giving native promises a shot and running the benchmarks yourself.
+
+# Questions and issues
+
+The [github issue tracker](https://github.com/petkaantonov/bluebird/issues) is **_only_** for bug reports and feature requests. Anything else, such as questions for help in using the library, should be posted in [StackOverflow](http://stackoverflow.com/questions/tagged/bluebird) under tags `promise` and `bluebird`.
+
+
+
+## Thanks
+
+Thanks to BrowserStack for providing us with a free account which lets us support old browsers like IE8. 
+
+# License
+
+The MIT License (MIT)
+
+Copyright (c) 2013-2019 Petka Antonov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/node_modules/bluebird/changelog.md b/node_modules/bluebird/changelog.md
new file mode 100644
index 00000000..73b2eb6c
--- /dev/null
+++ b/node_modules/bluebird/changelog.md
@@ -0,0 +1 @@
+[http://bluebirdjs.com/docs/changelog.html](http://bluebirdjs.com/docs/changelog.html)
diff --git a/node_modules/bluebird/js/browser/bluebird.core.js b/node_modules/bluebird/js/browser/bluebird.core.js
new file mode 100644
index 00000000..24a8bf28
--- /dev/null
+++ b/node_modules/bluebird/js/browser/bluebird.core.js
@@ -0,0 +1,3914 @@
+/* @preserve
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2013-2018 Petka Antonov
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ */
+/**
+ * bluebird build version 3.7.2
+ * Features enabled: core
+ * Features disabled: race, call_get, generators, map, nodeify, promisify, props, reduce, settle, some, using, timers, filter, any, each
+*/
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.Promise=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof _dereq_=="function"&&_dereq_;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof _dereq_=="function"&&_dereq_;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+"use strict";
+var firstLineError;
+try {throw new Error(); } catch (e) {firstLineError = e;}
+var schedule = _dereq_("./schedule");
+var Queue = _dereq_("./queue");
+
+function Async() {
+    this._customScheduler = false;
+    this._isTickUsed = false;
+    this._lateQueue = new Queue(16);
+    this._normalQueue = new Queue(16);
+    this._haveDrainedQueues = false;
+    var self = this;
+    this.drainQueues = function () {
+        self._drainQueues();
+    };
+    this._schedule = schedule;
+}
+
+Async.prototype.setScheduler = function(fn) {
+    var prev = this._schedule;
+    this._schedule = fn;
+    this._customScheduler = true;
+    return prev;
+};
+
+Async.prototype.hasCustomScheduler = function() {
+    return this._customScheduler;
+};
+
+Async.prototype.haveItemsQueued = function () {
+    return this._isTickUsed || this._haveDrainedQueues;
+};
+
+
+Async.prototype.fatalError = function(e, isNode) {
+    if (isNode) {
+        process.stderr.write("Fatal " + (e instanceof Error ? e.stack : e) +
+            "\n");
+        process.exit(2);
+    } else {
+        this.throwLater(e);
+    }
+};
+
+Async.prototype.throwLater = function(fn, arg) {
+    if (arguments.length === 1) {
+        arg = fn;
+        fn = function () { throw arg; };
+    }
+    if (typeof setTimeout !== "undefined") {
+        setTimeout(function() {
+            fn(arg);
+        }, 0);
+    } else try {
+        this._schedule(function() {
+            fn(arg);
+        });
+    } catch (e) {
+        throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+};
+
+function AsyncInvokeLater(fn, receiver, arg) {
+    this._lateQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncInvoke(fn, receiver, arg) {
+    this._normalQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncSettlePromises(promise) {
+    this._normalQueue._pushOne(promise);
+    this._queueTick();
+}
+
+Async.prototype.invokeLater = AsyncInvokeLater;
+Async.prototype.invoke = AsyncInvoke;
+Async.prototype.settlePromises = AsyncSettlePromises;
+
+
+function _drainQueue(queue) {
+    while (queue.length() > 0) {
+        _drainQueueStep(queue);
+    }
+}
+
+function _drainQueueStep(queue) {
+    var fn = queue.shift();
+    if (typeof fn !== "function") {
+        fn._settlePromises();
+    } else {
+        var receiver = queue.shift();
+        var arg = queue.shift();
+        fn.call(receiver, arg);
+    }
+}
+
+Async.prototype._drainQueues = function () {
+    _drainQueue(this._normalQueue);
+    this._reset();
+    this._haveDrainedQueues = true;
+    _drainQueue(this._lateQueue);
+};
+
+Async.prototype._queueTick = function () {
+    if (!this._isTickUsed) {
+        this._isTickUsed = true;
+        this._schedule(this.drainQueues);
+    }
+};
+
+Async.prototype._reset = function () {
+    this._isTickUsed = false;
+};
+
+module.exports = Async;
+module.exports.firstLineError = firstLineError;
+
+},{"./queue":17,"./schedule":18}],2:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise, debug) {
+var calledBind = false;
+var rejectThis = function(_, e) {
+    this._reject(e);
+};
+
+var targetRejected = function(e, context) {
+    context.promiseRejectionQueued = true;
+    context.bindingPromise._then(rejectThis, rejectThis, null, this, e);
+};
+
+var bindingResolved = function(thisArg, context) {
+    if (((this._bitField & 50397184) === 0)) {
+        this._resolveCallback(context.target);
+    }
+};
+
+var bindingRejected = function(e, context) {
+    if (!context.promiseRejectionQueued) this._reject(e);
+};
+
+Promise.prototype.bind = function (thisArg) {
+    if (!calledBind) {
+        calledBind = true;
+        Promise.prototype._propagateFrom = debug.propagateFromFunction();
+        Promise.prototype._boundValue = debug.boundValueFunction();
+    }
+    var maybePromise = tryConvertToPromise(thisArg);
+    var ret = new Promise(INTERNAL);
+    ret._propagateFrom(this, 1);
+    var target = this._target();
+    ret._setBoundTo(maybePromise);
+    if (maybePromise instanceof Promise) {
+        var context = {
+            promiseRejectionQueued: false,
+            promise: ret,
+            target: target,
+            bindingPromise: maybePromise
+        };
+        target._then(INTERNAL, targetRejected, undefined, ret, context);
+        maybePromise._then(
+            bindingResolved, bindingRejected, undefined, ret, context);
+        ret._setOnCancel(maybePromise);
+    } else {
+        ret._resolveCallback(target);
+    }
+    return ret;
+};
+
+Promise.prototype._setBoundTo = function (obj) {
+    if (obj !== undefined) {
+        this._bitField = this._bitField | 2097152;
+        this._boundTo = obj;
+    } else {
+        this._bitField = this._bitField & (~2097152);
+    }
+};
+
+Promise.prototype._isBound = function () {
+    return (this._bitField & 2097152) === 2097152;
+};
+
+Promise.bind = function (thisArg, value) {
+    return Promise.resolve(value).bind(thisArg);
+};
+};
+
+},{}],3:[function(_dereq_,module,exports){
+"use strict";
+var old;
+if (typeof Promise !== "undefined") old = Promise;
+function noConflict() {
+    try { if (Promise === bluebird) Promise = old; }
+    catch (e) {}
+    return bluebird;
+}
+var bluebird = _dereq_("./promise")();
+bluebird.noConflict = noConflict;
+module.exports = bluebird;
+
+},{"./promise":15}],4:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, PromiseArray, apiRejection, debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var async = Promise._async;
+
+Promise.prototype["break"] = Promise.prototype.cancel = function() {
+    if (!debug.cancellation()) return this._warn("cancellation is disabled");
+
+    var promise = this;
+    var child = promise;
+    while (promise._isCancellable()) {
+        if (!promise._cancelBy(child)) {
+            if (child._isFollowing()) {
+                child._followee().cancel();
+            } else {
+                child._cancelBranched();
+            }
+            break;
+        }
+
+        var parent = promise._cancellationParent;
+        if (parent == null || !parent._isCancellable()) {
+            if (promise._isFollowing()) {
+                promise._followee().cancel();
+            } else {
+                promise._cancelBranched();
+            }
+            break;
+        } else {
+            if (promise._isFollowing()) promise._followee().cancel();
+            promise._setWillBeCancelled();
+            child = promise;
+            promise = parent;
+        }
+    }
+};
+
+Promise.prototype._branchHasCancelled = function() {
+    this._branchesRemainingToCancel--;
+};
+
+Promise.prototype._enoughBranchesHaveCancelled = function() {
+    return this._branchesRemainingToCancel === undefined ||
+           this._branchesRemainingToCancel <= 0;
+};
+
+Promise.prototype._cancelBy = function(canceller) {
+    if (canceller === this) {
+        this._branchesRemainingToCancel = 0;
+        this._invokeOnCancel();
+        return true;
+    } else {
+        this._branchHasCancelled();
+        if (this._enoughBranchesHaveCancelled()) {
+            this._invokeOnCancel();
+            return true;
+        }
+    }
+    return false;
+};
+
+Promise.prototype._cancelBranched = function() {
+    if (this._enoughBranchesHaveCancelled()) {
+        this._cancel();
+    }
+};
+
+Promise.prototype._cancel = function() {
+    if (!this._isCancellable()) return;
+    this._setCancelled();
+    async.invoke(this._cancelPromises, this, undefined);
+};
+
+Promise.prototype._cancelPromises = function() {
+    if (this._length() > 0) this._settlePromises();
+};
+
+Promise.prototype._unsetOnCancel = function() {
+    this._onCancelField = undefined;
+};
+
+Promise.prototype._isCancellable = function() {
+    return this.isPending() && !this._isCancelled();
+};
+
+Promise.prototype.isCancellable = function() {
+    return this.isPending() && !this.isCancelled();
+};
+
+Promise.prototype._doInvokeOnCancel = function(onCancelCallback, internalOnly) {
+    if (util.isArray(onCancelCallback)) {
+        for (var i = 0; i < onCancelCallback.length; ++i) {
+            this._doInvokeOnCancel(onCancelCallback[i], internalOnly);
+        }
+    } else if (onCancelCallback !== undefined) {
+        if (typeof onCancelCallback === "function") {
+            if (!internalOnly) {
+                var e = tryCatch(onCancelCallback).call(this._boundValue());
+                if (e === errorObj) {
+                    this._attachExtraTrace(e.e);
+                    async.throwLater(e.e);
+                }
+            }
+        } else {
+            onCancelCallback._resultCancelled(this);
+        }
+    }
+};
+
+Promise.prototype._invokeOnCancel = function() {
+    var onCancelCallback = this._onCancel();
+    this._unsetOnCancel();
+    async.invoke(this._doInvokeOnCancel, this, onCancelCallback);
+};
+
+Promise.prototype._invokeInternalOnCancel = function() {
+    if (this._isCancellable()) {
+        this._doInvokeOnCancel(this._onCancel(), true);
+        this._unsetOnCancel();
+    }
+};
+
+Promise.prototype._resultCancelled = function() {
+    this.cancel();
+};
+
+};
+
+},{"./util":21}],5:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(NEXT_FILTER) {
+var util = _dereq_("./util");
+var getKeys = _dereq_("./es5").keys;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+
+function catchFilter(instances, cb, promise) {
+    return function(e) {
+        var boundTo = promise._boundValue();
+        predicateLoop: for (var i = 0; i < instances.length; ++i) {
+            var item = instances[i];
+
+            if (item === Error ||
+                (item != null && item.prototype instanceof Error)) {
+                if (e instanceof item) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (typeof item === "function") {
+                var matchesPredicate = tryCatch(item).call(boundTo, e);
+                if (matchesPredicate === errorObj) {
+                    return matchesPredicate;
+                } else if (matchesPredicate) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (util.isObject(e)) {
+                var keys = getKeys(item);
+                for (var j = 0; j < keys.length; ++j) {
+                    var key = keys[j];
+                    if (item[key] != e[key]) {
+                        continue predicateLoop;
+                    }
+                }
+                return tryCatch(cb).call(boundTo, e);
+            }
+        }
+        return NEXT_FILTER;
+    };
+}
+
+return catchFilter;
+};
+
+},{"./es5":10,"./util":21}],6:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+var longStackTraces = false;
+var contextStack = [];
+
+Promise.prototype._promiseCreated = function() {};
+Promise.prototype._pushContext = function() {};
+Promise.prototype._popContext = function() {return null;};
+Promise._peekContext = Promise.prototype._peekContext = function() {};
+
+function Context() {
+    this._trace = new Context.CapturedTrace(peekContext());
+}
+Context.prototype._pushContext = function () {
+    if (this._trace !== undefined) {
+        this._trace._promiseCreated = null;
+        contextStack.push(this._trace);
+    }
+};
+
+Context.prototype._popContext = function () {
+    if (this._trace !== undefined) {
+        var trace = contextStack.pop();
+        var ret = trace._promiseCreated;
+        trace._promiseCreated = null;
+        return ret;
+    }
+    return null;
+};
+
+function createContext() {
+    if (longStackTraces) return new Context();
+}
+
+function peekContext() {
+    var lastIndex = contextStack.length - 1;
+    if (lastIndex >= 0) {
+        return contextStack[lastIndex];
+    }
+    return undefined;
+}
+Context.CapturedTrace = null;
+Context.create = createContext;
+Context.deactivateLongStackTraces = function() {};
+Context.activateLongStackTraces = function() {
+    var Promise_pushContext = Promise.prototype._pushContext;
+    var Promise_popContext = Promise.prototype._popContext;
+    var Promise_PeekContext = Promise._peekContext;
+    var Promise_peekContext = Promise.prototype._peekContext;
+    var Promise_promiseCreated = Promise.prototype._promiseCreated;
+    Context.deactivateLongStackTraces = function() {
+        Promise.prototype._pushContext = Promise_pushContext;
+        Promise.prototype._popContext = Promise_popContext;
+        Promise._peekContext = Promise_PeekContext;
+        Promise.prototype._peekContext = Promise_peekContext;
+        Promise.prototype._promiseCreated = Promise_promiseCreated;
+        longStackTraces = false;
+    };
+    longStackTraces = true;
+    Promise.prototype._pushContext = Context.prototype._pushContext;
+    Promise.prototype._popContext = Context.prototype._popContext;
+    Promise._peekContext = Promise.prototype._peekContext = peekContext;
+    Promise.prototype._promiseCreated = function() {
+        var ctx = this._peekContext();
+        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
+    };
+};
+return Context;
+};
+
+},{}],7:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks) {
+var async = Promise._async;
+var Warning = _dereq_("./errors").Warning;
+var util = _dereq_("./util");
+var es5 = _dereq_("./es5");
+var canAttachTrace = util.canAttachTrace;
+var unhandledRejectionHandled;
+var possiblyUnhandledRejection;
+var bluebirdFramePattern =
+    /[\\\/]bluebird[\\\/]js[\\\/](release|debug|instrumented)/;
+var nodeFramePattern = /\((?:timers\.js):\d+:\d+\)/;
+var parseLinePattern = /[\/<\(](.+?):(\d+):(\d+)\)?\s*$/;
+var stackFramePattern = null;
+var formatStack = null;
+var indentStackFrames = false;
+var printWarning;
+var debugging = !!(util.env("BLUEBIRD_DEBUG") != 0 &&
+                        (true ||
+                         util.env("BLUEBIRD_DEBUG") ||
+                         util.env("NODE_ENV") === "development"));
+
+var warnings = !!(util.env("BLUEBIRD_WARNINGS") != 0 &&
+    (debugging || util.env("BLUEBIRD_WARNINGS")));
+
+var longStackTraces = !!(util.env("BLUEBIRD_LONG_STACK_TRACES") != 0 &&
+    (debugging || util.env("BLUEBIRD_LONG_STACK_TRACES")));
+
+var wForgottenReturn = util.env("BLUEBIRD_W_FORGOTTEN_RETURN") != 0 &&
+    (warnings || !!util.env("BLUEBIRD_W_FORGOTTEN_RETURN"));
+
+var deferUnhandledRejectionCheck;
+(function() {
+    var promises = [];
+
+    function unhandledRejectionCheck() {
+        for (var i = 0; i < promises.length; ++i) {
+            promises[i]._notifyUnhandledRejection();
+        }
+        unhandledRejectionClear();
+    }
+
+    function unhandledRejectionClear() {
+        promises.length = 0;
+    }
+
+    deferUnhandledRejectionCheck = function(promise) {
+        promises.push(promise);
+        setTimeout(unhandledRejectionCheck, 1);
+    };
+
+    es5.defineProperty(Promise, "_unhandledRejectionCheck", {
+        value: unhandledRejectionCheck
+    });
+    es5.defineProperty(Promise, "_unhandledRejectionClear", {
+        value: unhandledRejectionClear
+    });
+})();
+
+Promise.prototype.suppressUnhandledRejections = function() {
+    var target = this._target();
+    target._bitField = ((target._bitField & (~1048576)) |
+                      524288);
+};
+
+Promise.prototype._ensurePossibleRejectionHandled = function () {
+    if ((this._bitField & 524288) !== 0) return;
+    this._setRejectionIsUnhandled();
+    deferUnhandledRejectionCheck(this);
+};
+
+Promise.prototype._notifyUnhandledRejectionIsHandled = function () {
+    fireRejectionEvent("rejectionHandled",
+                                  unhandledRejectionHandled, undefined, this);
+};
+
+Promise.prototype._setReturnedNonUndefined = function() {
+    this._bitField = this._bitField | 268435456;
+};
+
+Promise.prototype._returnedNonUndefined = function() {
+    return (this._bitField & 268435456) !== 0;
+};
+
+Promise.prototype._notifyUnhandledRejection = function () {
+    if (this._isRejectionUnhandled()) {
+        var reason = this._settledValue();
+        this._setUnhandledRejectionIsNotified();
+        fireRejectionEvent("unhandledRejection",
+                                      possiblyUnhandledRejection, reason, this);
+    }
+};
+
+Promise.prototype._setUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField | 262144;
+};
+
+Promise.prototype._unsetUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField & (~262144);
+};
+
+Promise.prototype._isUnhandledRejectionNotified = function () {
+    return (this._bitField & 262144) > 0;
+};
+
+Promise.prototype._setRejectionIsUnhandled = function () {
+    this._bitField = this._bitField | 1048576;
+};
+
+Promise.prototype._unsetRejectionIsUnhandled = function () {
+    this._bitField = this._bitField & (~1048576);
+    if (this._isUnhandledRejectionNotified()) {
+        this._unsetUnhandledRejectionIsNotified();
+        this._notifyUnhandledRejectionIsHandled();
+    }
+};
+
+Promise.prototype._isRejectionUnhandled = function () {
+    return (this._bitField & 1048576) > 0;
+};
+
+Promise.prototype._warn = function(message, shouldUseOwnTrace, promise) {
+    return warn(message, shouldUseOwnTrace, promise || this);
+};
+
+Promise.onPossiblyUnhandledRejection = function (fn) {
+    var context = Promise._getContext();
+    possiblyUnhandledRejection = util.contextBind(context, fn);
+};
+
+Promise.onUnhandledRejectionHandled = function (fn) {
+    var context = Promise._getContext();
+    unhandledRejectionHandled = util.contextBind(context, fn);
+};
+
+var disableLongStackTraces = function() {};
+Promise.longStackTraces = function () {
+    if (async.haveItemsQueued() && !config.longStackTraces) {
+        throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (!config.longStackTraces && longStackTracesIsSupported()) {
+        var Promise_captureStackTrace = Promise.prototype._captureStackTrace;
+        var Promise_attachExtraTrace = Promise.prototype._attachExtraTrace;
+        var Promise_dereferenceTrace = Promise.prototype._dereferenceTrace;
+        config.longStackTraces = true;
+        disableLongStackTraces = function() {
+            if (async.haveItemsQueued() && !config.longStackTraces) {
+                throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+            }
+            Promise.prototype._captureStackTrace = Promise_captureStackTrace;
+            Promise.prototype._attachExtraTrace = Promise_attachExtraTrace;
+            Promise.prototype._dereferenceTrace = Promise_dereferenceTrace;
+            Context.deactivateLongStackTraces();
+            config.longStackTraces = false;
+        };
+        Promise.prototype._captureStackTrace = longStackTracesCaptureStackTrace;
+        Promise.prototype._attachExtraTrace = longStackTracesAttachExtraTrace;
+        Promise.prototype._dereferenceTrace = longStackTracesDereferenceTrace;
+        Context.activateLongStackTraces();
+    }
+};
+
+Promise.hasLongStackTraces = function () {
+    return config.longStackTraces && longStackTracesIsSupported();
+};
+
+
+var legacyHandlers = {
+    unhandledrejection: {
+        before: function() {
+            var ret = util.global.onunhandledrejection;
+            util.global.onunhandledrejection = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onunhandledrejection = fn;
+        }
+    },
+    rejectionhandled: {
+        before: function() {
+            var ret = util.global.onrejectionhandled;
+            util.global.onrejectionhandled = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onrejectionhandled = fn;
+        }
+    }
+};
+
+var fireDomEvent = (function() {
+    var dispatch = function(legacy, e) {
+        if (legacy) {
+            var fn;
+            try {
+                fn = legacy.before();
+                return !util.global.dispatchEvent(e);
+            } finally {
+                legacy.after(fn);
+            }
+        } else {
+            return !util.global.dispatchEvent(e);
+        }
+    };
+    try {
+        if (typeof CustomEvent === "function") {
+            var event = new CustomEvent("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var eventData = {
+                    detail: event,
+                    cancelable: true
+                };
+                var domEvent = new CustomEvent(name, eventData);
+                es5.defineProperty(
+                    domEvent, "promise", {value: event.promise});
+                es5.defineProperty(
+                    domEvent, "reason", {value: event.reason});
+
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else if (typeof Event === "function") {
+            var event = new Event("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = new Event(name, {
+                    cancelable: true
+                });
+                domEvent.detail = event;
+                es5.defineProperty(domEvent, "promise", {value: event.promise});
+                es5.defineProperty(domEvent, "reason", {value: event.reason});
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else {
+            var event = document.createEvent("CustomEvent");
+            event.initCustomEvent("testingtheevent", false, true, {});
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = document.createEvent("CustomEvent");
+                domEvent.initCustomEvent(name, false, true,
+                    event);
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        }
+    } catch (e) {}
+    return function() {
+        return false;
+    };
+})();
+
+var fireGlobalEvent = (function() {
+    if (util.isNode) {
+        return function() {
+            return process.emit.apply(process, arguments);
+        };
+    } else {
+        if (!util.global) {
+            return function() {
+                return false;
+            };
+        }
+        return function(name) {
+            var methodName = "on" + name.toLowerCase();
+            var method = util.global[methodName];
+            if (!method) return false;
+            method.apply(util.global, [].slice.call(arguments, 1));
+            return true;
+        };
+    }
+})();
+
+function generatePromiseLifecycleEventObject(name, promise) {
+    return {promise: promise};
+}
+
+var eventToObjectGenerator = {
+    promiseCreated: generatePromiseLifecycleEventObject,
+    promiseFulfilled: generatePromiseLifecycleEventObject,
+    promiseRejected: generatePromiseLifecycleEventObject,
+    promiseResolved: generatePromiseLifecycleEventObject,
+    promiseCancelled: generatePromiseLifecycleEventObject,
+    promiseChained: function(name, promise, child) {
+        return {promise: promise, child: child};
+    },
+    warning: function(name, warning) {
+        return {warning: warning};
+    },
+    unhandledRejection: function (name, reason, promise) {
+        return {reason: reason, promise: promise};
+    },
+    rejectionHandled: generatePromiseLifecycleEventObject
+};
+
+var activeFireEvent = function (name) {
+    var globalEventFired = false;
+    try {
+        globalEventFired = fireGlobalEvent.apply(null, arguments);
+    } catch (e) {
+        async.throwLater(e);
+        globalEventFired = true;
+    }
+
+    var domEventFired = false;
+    try {
+        domEventFired = fireDomEvent(name,
+                    eventToObjectGenerator[name].apply(null, arguments));
+    } catch (e) {
+        async.throwLater(e);
+        domEventFired = true;
+    }
+
+    return domEventFired || globalEventFired;
+};
+
+Promise.config = function(opts) {
+    opts = Object(opts);
+    if ("longStackTraces" in opts) {
+        if (opts.longStackTraces) {
+            Promise.longStackTraces();
+        } else if (!opts.longStackTraces && Promise.hasLongStackTraces()) {
+            disableLongStackTraces();
+        }
+    }
+    if ("warnings" in opts) {
+        var warningsOption = opts.warnings;
+        config.warnings = !!warningsOption;
+        wForgottenReturn = config.warnings;
+
+        if (util.isObject(warningsOption)) {
+            if ("wForgottenReturn" in warningsOption) {
+                wForgottenReturn = !!warningsOption.wForgottenReturn;
+            }
+        }
+    }
+    if ("cancellation" in opts && opts.cancellation && !config.cancellation) {
+        if (async.haveItemsQueued()) {
+            throw new Error(
+                "cannot enable cancellation after promises are in use");
+        }
+        Promise.prototype._clearCancellationData =
+            cancellationClearCancellationData;
+        Promise.prototype._propagateFrom = cancellationPropagateFrom;
+        Promise.prototype._onCancel = cancellationOnCancel;
+        Promise.prototype._setOnCancel = cancellationSetOnCancel;
+        Promise.prototype._attachCancellationCallback =
+            cancellationAttachCancellationCallback;
+        Promise.prototype._execute = cancellationExecute;
+        propagateFromFunction = cancellationPropagateFrom;
+        config.cancellation = true;
+    }
+    if ("monitoring" in opts) {
+        if (opts.monitoring && !config.monitoring) {
+            config.monitoring = true;
+            Promise.prototype._fireEvent = activeFireEvent;
+        } else if (!opts.monitoring && config.monitoring) {
+            config.monitoring = false;
+            Promise.prototype._fireEvent = defaultFireEvent;
+        }
+    }
+    if ("asyncHooks" in opts && util.nodeSupportsAsyncResource) {
+        var prev = config.asyncHooks;
+        var cur = !!opts.asyncHooks;
+        if (prev !== cur) {
+            config.asyncHooks = cur;
+            if (cur) {
+                enableAsyncHooks();
+            } else {
+                disableAsyncHooks();
+            }
+        }
+    }
+    return Promise;
+};
+
+function defaultFireEvent() { return false; }
+
+Promise.prototype._fireEvent = defaultFireEvent;
+Promise.prototype._execute = function(executor, resolve, reject) {
+    try {
+        executor(resolve, reject);
+    } catch (e) {
+        return e;
+    }
+};
+Promise.prototype._onCancel = function () {};
+Promise.prototype._setOnCancel = function (handler) { ; };
+Promise.prototype._attachCancellationCallback = function(onCancel) {
+    ;
+};
+Promise.prototype._captureStackTrace = function () {};
+Promise.prototype._attachExtraTrace = function () {};
+Promise.prototype._dereferenceTrace = function () {};
+Promise.prototype._clearCancellationData = function() {};
+Promise.prototype._propagateFrom = function (parent, flags) {
+    ;
+    ;
+};
+
+function cancellationExecute(executor, resolve, reject) {
+    var promise = this;
+    try {
+        executor(resolve, reject, function(onCancel) {
+            if (typeof onCancel !== "function") {
+                throw new TypeError("onCancel must be a function, got: " +
+                                    util.toString(onCancel));
+            }
+            promise._attachCancellationCallback(onCancel);
+        });
+    } catch (e) {
+        return e;
+    }
+}
+
+function cancellationAttachCancellationCallback(onCancel) {
+    if (!this._isCancellable()) return this;
+
+    var previousOnCancel = this._onCancel();
+    if (previousOnCancel !== undefined) {
+        if (util.isArray(previousOnCancel)) {
+            previousOnCancel.push(onCancel);
+        } else {
+            this._setOnCancel([previousOnCancel, onCancel]);
+        }
+    } else {
+        this._setOnCancel(onCancel);
+    }
+}
+
+function cancellationOnCancel() {
+    return this._onCancelField;
+}
+
+function cancellationSetOnCancel(onCancel) {
+    this._onCancelField = onCancel;
+}
+
+function cancellationClearCancellationData() {
+    this._cancellationParent = undefined;
+    this._onCancelField = undefined;
+}
+
+function cancellationPropagateFrom(parent, flags) {
+    if ((flags & 1) !== 0) {
+        this._cancellationParent = parent;
+        var branchesRemainingToCancel = parent._branchesRemainingToCancel;
+        if (branchesRemainingToCancel === undefined) {
+            branchesRemainingToCancel = 0;
+        }
+        parent._branchesRemainingToCancel = branchesRemainingToCancel + 1;
+    }
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+
+function bindingPropagateFrom(parent, flags) {
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+var propagateFromFunction = bindingPropagateFrom;
+
+function boundValueFunction() {
+    var ret = this._boundTo;
+    if (ret !== undefined) {
+        if (ret instanceof Promise) {
+            if (ret.isFulfilled()) {
+                return ret.value();
+            } else {
+                return undefined;
+            }
+        }
+    }
+    return ret;
+}
+
+function longStackTracesCaptureStackTrace() {
+    this._trace = new CapturedTrace(this._peekContext());
+}
+
+function longStackTracesAttachExtraTrace(error, ignoreSelf) {
+    if (canAttachTrace(error)) {
+        var trace = this._trace;
+        if (trace !== undefined) {
+            if (ignoreSelf) trace = trace._parent;
+        }
+        if (trace !== undefined) {
+            trace.attachExtraTrace(error);
+        } else if (!error.__stackCleaned__) {
+            var parsed = parseStackAndMessage(error);
+            util.notEnumerableProp(error, "stack",
+                parsed.message + "\n" + parsed.stack.join("\n"));
+            util.notEnumerableProp(error, "__stackCleaned__", true);
+        }
+    }
+}
+
+function longStackTracesDereferenceTrace() {
+    this._trace = undefined;
+}
+
+function checkForgottenReturns(returnValue, promiseCreated, name, promise,
+                               parent) {
+    if (returnValue === undefined && promiseCreated !== null &&
+        wForgottenReturn) {
+        if (parent !== undefined && parent._returnedNonUndefined()) return;
+        if ((promise._bitField & 65535) === 0) return;
+
+        if (name) name = name + " ";
+        var handlerLine = "";
+        var creatorLine = "";
+        if (promiseCreated._trace) {
+            var traceLines = promiseCreated._trace.stack.split("\n");
+            var stack = cleanStack(traceLines);
+            for (var i = stack.length - 1; i >= 0; --i) {
+                var line = stack[i];
+                if (!nodeFramePattern.test(line)) {
+                    var lineMatches = line.match(parseLinePattern);
+                    if (lineMatches) {
+                        handlerLine  = "at " + lineMatches[1] +
+                            ":" + lineMatches[2] + ":" + lineMatches[3] + " ";
+                    }
+                    break;
+                }
+            }
+
+            if (stack.length > 0) {
+                var firstUserLine = stack[0];
+                for (var i = 0; i < traceLines.length; ++i) {
+
+                    if (traceLines[i] === firstUserLine) {
+                        if (i > 0) {
+                            creatorLine = "\n" + traceLines[i - 1];
+                        }
+                        break;
+                    }
+                }
+
+            }
+        }
+        var msg = "a promise was created in a " + name +
+            "handler " + handlerLine + "but was not returned from it, " +
+            "see http://goo.gl/rRqMUw" +
+            creatorLine;
+        promise._warn(msg, true, promiseCreated);
+    }
+}
+
+function deprecated(name, replacement) {
+    var message = name +
+        " is deprecated and will be removed in a future version.";
+    if (replacement) message += " Use " + replacement + " instead.";
+    return warn(message);
+}
+
+function warn(message, shouldUseOwnTrace, promise) {
+    if (!config.warnings) return;
+    var warning = new Warning(message);
+    var ctx;
+    if (shouldUseOwnTrace) {
+        promise._attachExtraTrace(warning);
+    } else if (config.longStackTraces && (ctx = Promise._peekContext())) {
+        ctx.attachExtraTrace(warning);
+    } else {
+        var parsed = parseStackAndMessage(warning);
+        warning.stack = parsed.message + "\n" + parsed.stack.join("\n");
+    }
+
+    if (!activeFireEvent("warning", warning)) {
+        formatAndLogError(warning, "", true);
+    }
+}
+
+function reconstructStack(message, stacks) {
+    for (var i = 0; i < stacks.length - 1; ++i) {
+        stacks[i].push("From previous event:");
+        stacks[i] = stacks[i].join("\n");
+    }
+    if (i < stacks.length) {
+        stacks[i] = stacks[i].join("\n");
+    }
+    return message + "\n" + stacks.join("\n");
+}
+
+function removeDuplicateOrEmptyJumps(stacks) {
+    for (var i = 0; i < stacks.length; ++i) {
+        if (stacks[i].length === 0 ||
+            ((i + 1 < stacks.length) && stacks[i][0] === stacks[i+1][0])) {
+            stacks.splice(i, 1);
+            i--;
+        }
+    }
+}
+
+function removeCommonRoots(stacks) {
+    var current = stacks[0];
+    for (var i = 1; i < stacks.length; ++i) {
+        var prev = stacks[i];
+        var currentLastIndex = current.length - 1;
+        var currentLastLine = current[currentLastIndex];
+        var commonRootMeetPoint = -1;
+
+        for (var j = prev.length - 1; j >= 0; --j) {
+            if (prev[j] === currentLastLine) {
+                commonRootMeetPoint = j;
+                break;
+            }
+        }
+
+        for (var j = commonRootMeetPoint; j >= 0; --j) {
+            var line = prev[j];
+            if (current[currentLastIndex] === line) {
+                current.pop();
+                currentLastIndex--;
+            } else {
+                break;
+            }
+        }
+        current = prev;
+    }
+}
+
+function cleanStack(stack) {
+    var ret = [];
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        var isTraceLine = "    (No stack trace)" === line ||
+            stackFramePattern.test(line);
+        var isInternalFrame = isTraceLine && shouldIgnore(line);
+        if (isTraceLine && !isInternalFrame) {
+            if (indentStackFrames && line.charAt(0) !== " ") {
+                line = "    " + line;
+            }
+            ret.push(line);
+        }
+    }
+    return ret;
+}
+
+function stackFramesAsArray(error) {
+    var stack = error.stack.replace(/\s+$/g, "").split("\n");
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        if ("    (No stack trace)" === line || stackFramePattern.test(line)) {
+            break;
+        }
+    }
+    if (i > 0 && error.name != "SyntaxError") {
+        stack = stack.slice(i);
+    }
+    return stack;
+}
+
+function parseStackAndMessage(error) {
+    var stack = error.stack;
+    var message = error.toString();
+    stack = typeof stack === "string" && stack.length > 0
+                ? stackFramesAsArray(error) : ["    (No stack trace)"];
+    return {
+        message: message,
+        stack: error.name == "SyntaxError" ? stack : cleanStack(stack)
+    };
+}
+
+function formatAndLogError(error, title, isSoft) {
+    if (typeof console !== "undefined") {
+        var message;
+        if (util.isObject(error)) {
+            var stack = error.stack;
+            message = title + formatStack(stack, error);
+        } else {
+            message = title + String(error);
+        }
+        if (typeof printWarning === "function") {
+            printWarning(message, isSoft);
+        } else if (typeof console.log === "function" ||
+            typeof console.log === "object") {
+            console.log(message);
+        }
+    }
+}
+
+function fireRejectionEvent(name, localHandler, reason, promise) {
+    var localEventFired = false;
+    try {
+        if (typeof localHandler === "function") {
+            localEventFired = true;
+            if (name === "rejectionHandled") {
+                localHandler(promise);
+            } else {
+                localHandler(reason, promise);
+            }
+        }
+    } catch (e) {
+        async.throwLater(e);
+    }
+
+    if (name === "unhandledRejection") {
+        if (!activeFireEvent(name, reason, promise) && !localEventFired) {
+            formatAndLogError(reason, "Unhandled rejection ");
+        }
+    } else {
+        activeFireEvent(name, promise);
+    }
+}
+
+function formatNonError(obj) {
+    var str;
+    if (typeof obj === "function") {
+        str = "[function " +
+            (obj.name || "anonymous") +
+            "]";
+    } else {
+        str = obj && typeof obj.toString === "function"
+            ? obj.toString() : util.toString(obj);
+        var ruselessToString = /\[object [a-zA-Z0-9$_]+\]/;
+        if (ruselessToString.test(str)) {
+            try {
+                var newStr = JSON.stringify(obj);
+                str = newStr;
+            }
+            catch(e) {
+
+            }
+        }
+        if (str.length === 0) {
+            str = "(empty array)";
+        }
+    }
+    return ("(<" + snip(str) + ">, no stack trace)");
+}
+
+function snip(str) {
+    var maxChars = 41;
+    if (str.length < maxChars) {
+        return str;
+    }
+    return str.substr(0, maxChars - 3) + "...";
+}
+
+function longStackTracesIsSupported() {
+    return typeof captureStackTrace === "function";
+}
+
+var shouldIgnore = function() { return false; };
+var parseLineInfoRegex = /[\/<\(]([^:\/]+):(\d+):(?:\d+)\)?\s*$/;
+function parseLineInfo(line) {
+    var matches = line.match(parseLineInfoRegex);
+    if (matches) {
+        return {
+            fileName: matches[1],
+            line: parseInt(matches[2], 10)
+        };
+    }
+}
+
+function setBounds(firstLineError, lastLineError) {
+    if (!longStackTracesIsSupported()) return;
+    var firstStackLines = (firstLineError.stack || "").split("\n");
+    var lastStackLines = (lastLineError.stack || "").split("\n");
+    var firstIndex = -1;
+    var lastIndex = -1;
+    var firstFileName;
+    var lastFileName;
+    for (var i = 0; i < firstStackLines.length; ++i) {
+        var result = parseLineInfo(firstStackLines[i]);
+        if (result) {
+            firstFileName = result.fileName;
+            firstIndex = result.line;
+            break;
+        }
+    }
+    for (var i = 0; i < lastStackLines.length; ++i) {
+        var result = parseLineInfo(lastStackLines[i]);
+        if (result) {
+            lastFileName = result.fileName;
+            lastIndex = result.line;
+            break;
+        }
+    }
+    if (firstIndex < 0 || lastIndex < 0 || !firstFileName || !lastFileName ||
+        firstFileName !== lastFileName || firstIndex >= lastIndex) {
+        return;
+    }
+
+    shouldIgnore = function(line) {
+        if (bluebirdFramePattern.test(line)) return true;
+        var info = parseLineInfo(line);
+        if (info) {
+            if (info.fileName === firstFileName &&
+                (firstIndex <= info.line && info.line <= lastIndex)) {
+                return true;
+            }
+        }
+        return false;
+    };
+}
+
+function CapturedTrace(parent) {
+    this._parent = parent;
+    this._promisesCreated = 0;
+    var length = this._length = 1 + (parent === undefined ? 0 : parent._length);
+    captureStackTrace(this, CapturedTrace);
+    if (length > 32) this.uncycle();
+}
+util.inherits(CapturedTrace, Error);
+Context.CapturedTrace = CapturedTrace;
+
+CapturedTrace.prototype.uncycle = function() {
+    var length = this._length;
+    if (length < 2) return;
+    var nodes = [];
+    var stackToIndex = {};
+
+    for (var i = 0, node = this; node !== undefined; ++i) {
+        nodes.push(node);
+        node = node._parent;
+    }
+    length = this._length = i;
+    for (var i = length - 1; i >= 0; --i) {
+        var stack = nodes[i].stack;
+        if (stackToIndex[stack] === undefined) {
+            stackToIndex[stack] = i;
+        }
+    }
+    for (var i = 0; i < length; ++i) {
+        var currentStack = nodes[i].stack;
+        var index = stackToIndex[currentStack];
+        if (index !== undefined && index !== i) {
+            if (index > 0) {
+                nodes[index - 1]._parent = undefined;
+                nodes[index - 1]._length = 1;
+            }
+            nodes[i]._parent = undefined;
+            nodes[i]._length = 1;
+            var cycleEdgeNode = i > 0 ? nodes[i - 1] : this;
+
+            if (index < length - 1) {
+                cycleEdgeNode._parent = nodes[index + 1];
+                cycleEdgeNode._parent.uncycle();
+                cycleEdgeNode._length =
+                    cycleEdgeNode._parent._length + 1;
+            } else {
+                cycleEdgeNode._parent = undefined;
+                cycleEdgeNode._length = 1;
+            }
+            var currentChildLength = cycleEdgeNode._length + 1;
+            for (var j = i - 2; j >= 0; --j) {
+                nodes[j]._length = currentChildLength;
+                currentChildLength++;
+            }
+            return;
+        }
+    }
+};
+
+CapturedTrace.prototype.attachExtraTrace = function(error) {
+    if (error.__stackCleaned__) return;
+    this.uncycle();
+    var parsed = parseStackAndMessage(error);
+    var message = parsed.message;
+    var stacks = [parsed.stack];
+
+    var trace = this;
+    while (trace !== undefined) {
+        stacks.push(cleanStack(trace.stack.split("\n")));
+        trace = trace._parent;
+    }
+    removeCommonRoots(stacks);
+    removeDuplicateOrEmptyJumps(stacks);
+    util.notEnumerableProp(error, "stack", reconstructStack(message, stacks));
+    util.notEnumerableProp(error, "__stackCleaned__", true);
+};
+
+var captureStackTrace = (function stackDetection() {
+    var v8stackFramePattern = /^\s*at\s*/;
+    var v8stackFormatter = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if (error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    if (typeof Error.stackTraceLimit === "number" &&
+        typeof Error.captureStackTrace === "function") {
+        Error.stackTraceLimit += 6;
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        var captureStackTrace = Error.captureStackTrace;
+
+        shouldIgnore = function(line) {
+            return bluebirdFramePattern.test(line);
+        };
+        return function(receiver, ignoreUntil) {
+            Error.stackTraceLimit += 6;
+            captureStackTrace(receiver, ignoreUntil);
+            Error.stackTraceLimit -= 6;
+        };
+    }
+    var err = new Error();
+
+    if (typeof err.stack === "string" &&
+        err.stack.split("\n")[0].indexOf("stackDetection@") >= 0) {
+        stackFramePattern = /@/;
+        formatStack = v8stackFormatter;
+        indentStackFrames = true;
+        return function captureStackTrace(o) {
+            o.stack = new Error().stack;
+        };
+    }
+
+    var hasStackAfterThrow;
+    try { throw new Error(); }
+    catch(e) {
+        hasStackAfterThrow = ("stack" in e);
+    }
+    if (!("stack" in err) && hasStackAfterThrow &&
+        typeof Error.stackTraceLimit === "number") {
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        return function captureStackTrace(o) {
+            Error.stackTraceLimit += 6;
+            try { throw new Error(); }
+            catch(e) { o.stack = e.stack; }
+            Error.stackTraceLimit -= 6;
+        };
+    }
+
+    formatStack = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if ((typeof error === "object" ||
+            typeof error === "function") &&
+            error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    return null;
+
+})([]);
+
+if (typeof console !== "undefined" && typeof console.warn !== "undefined") {
+    printWarning = function (message) {
+        console.warn(message);
+    };
+    if (util.isNode && process.stderr.isTTY) {
+        printWarning = function(message, isSoft) {
+            var color = isSoft ? "\u001b[33m" : "\u001b[31m";
+            console.warn(color + message + "\u001b[0m\n");
+        };
+    } else if (!util.isNode && typeof (new Error().stack) === "string") {
+        printWarning = function(message, isSoft) {
+            console.warn("%c" + message,
+                        isSoft ? "color: darkorange" : "color: red");
+        };
+    }
+}
+
+var config = {
+    warnings: warnings,
+    longStackTraces: false,
+    cancellation: false,
+    monitoring: false,
+    asyncHooks: false
+};
+
+if (longStackTraces) Promise.longStackTraces();
+
+return {
+    asyncHooks: function() {
+        return config.asyncHooks;
+    },
+    longStackTraces: function() {
+        return config.longStackTraces;
+    },
+    warnings: function() {
+        return config.warnings;
+    },
+    cancellation: function() {
+        return config.cancellation;
+    },
+    monitoring: function() {
+        return config.monitoring;
+    },
+    propagateFromFunction: function() {
+        return propagateFromFunction;
+    },
+    boundValueFunction: function() {
+        return boundValueFunction;
+    },
+    checkForgottenReturns: checkForgottenReturns,
+    setBounds: setBounds,
+    warn: warn,
+    deprecated: deprecated,
+    CapturedTrace: CapturedTrace,
+    fireDomEvent: fireDomEvent,
+    fireGlobalEvent: fireGlobalEvent
+};
+};
+
+},{"./errors":9,"./es5":10,"./util":21}],8:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+function returner() {
+    return this.value;
+}
+function thrower() {
+    throw this.reason;
+}
+
+Promise.prototype["return"] =
+Promise.prototype.thenReturn = function (value) {
+    if (value instanceof Promise) value.suppressUnhandledRejections();
+    return this._then(
+        returner, undefined, undefined, {value: value}, undefined);
+};
+
+Promise.prototype["throw"] =
+Promise.prototype.thenThrow = function (reason) {
+    return this._then(
+        thrower, undefined, undefined, {reason: reason}, undefined);
+};
+
+Promise.prototype.catchThrow = function (reason) {
+    if (arguments.length <= 1) {
+        return this._then(
+            undefined, thrower, undefined, {reason: reason}, undefined);
+    } else {
+        var _reason = arguments[1];
+        var handler = function() {throw _reason;};
+        return this.caught(reason, handler);
+    }
+};
+
+Promise.prototype.catchReturn = function (value) {
+    if (arguments.length <= 1) {
+        if (value instanceof Promise) value.suppressUnhandledRejections();
+        return this._then(
+            undefined, returner, undefined, {value: value}, undefined);
+    } else {
+        var _value = arguments[1];
+        if (_value instanceof Promise) _value.suppressUnhandledRejections();
+        var handler = function() {return _value;};
+        return this.caught(value, handler);
+    }
+};
+};
+
+},{}],9:[function(_dereq_,module,exports){
+"use strict";
+var es5 = _dereq_("./es5");
+var Objectfreeze = es5.freeze;
+var util = _dereq_("./util");
+var inherits = util.inherits;
+var notEnumerableProp = util.notEnumerableProp;
+
+function subError(nameProperty, defaultMessage) {
+    function SubError(message) {
+        if (!(this instanceof SubError)) return new SubError(message);
+        notEnumerableProp(this, "message",
+            typeof message === "string" ? message : defaultMessage);
+        notEnumerableProp(this, "name", nameProperty);
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        } else {
+            Error.call(this);
+        }
+    }
+    inherits(SubError, Error);
+    return SubError;
+}
+
+var _TypeError, _RangeError;
+var Warning = subError("Warning", "warning");
+var CancellationError = subError("CancellationError", "cancellation error");
+var TimeoutError = subError("TimeoutError", "timeout error");
+var AggregateError = subError("AggregateError", "aggregate error");
+try {
+    _TypeError = TypeError;
+    _RangeError = RangeError;
+} catch(e) {
+    _TypeError = subError("TypeError", "type error");
+    _RangeError = subError("RangeError", "range error");
+}
+
+var methods = ("join pop push shift unshift slice filter forEach some " +
+    "every map indexOf lastIndexOf reduce reduceRight sort reverse").split(" ");
+
+for (var i = 0; i < methods.length; ++i) {
+    if (typeof Array.prototype[methods[i]] === "function") {
+        AggregateError.prototype[methods[i]] = Array.prototype[methods[i]];
+    }
+}
+
+es5.defineProperty(AggregateError.prototype, "length", {
+    value: 0,
+    configurable: false,
+    writable: true,
+    enumerable: true
+});
+AggregateError.prototype["isOperational"] = true;
+var level = 0;
+AggregateError.prototype.toString = function() {
+    var indent = Array(level * 4 + 1).join(" ");
+    var ret = "\n" + indent + "AggregateError of:" + "\n";
+    level++;
+    indent = Array(level * 4 + 1).join(" ");
+    for (var i = 0; i < this.length; ++i) {
+        var str = this[i] === this ? "[Circular AggregateError]" : this[i] + "";
+        var lines = str.split("\n");
+        for (var j = 0; j < lines.length; ++j) {
+            lines[j] = indent + lines[j];
+        }
+        str = lines.join("\n");
+        ret += str + "\n";
+    }
+    level--;
+    return ret;
+};
+
+function OperationalError(message) {
+    if (!(this instanceof OperationalError))
+        return new OperationalError(message);
+    notEnumerableProp(this, "name", "OperationalError");
+    notEnumerableProp(this, "message", message);
+    this.cause = message;
+    this["isOperational"] = true;
+
+    if (message instanceof Error) {
+        notEnumerableProp(this, "message", message.message);
+        notEnumerableProp(this, "stack", message.stack);
+    } else if (Error.captureStackTrace) {
+        Error.captureStackTrace(this, this.constructor);
+    }
+
+}
+inherits(OperationalError, Error);
+
+var errorTypes = Error["__BluebirdErrorTypes__"];
+if (!errorTypes) {
+    errorTypes = Objectfreeze({
+        CancellationError: CancellationError,
+        TimeoutError: TimeoutError,
+        OperationalError: OperationalError,
+        RejectionError: OperationalError,
+        AggregateError: AggregateError
+    });
+    es5.defineProperty(Error, "__BluebirdErrorTypes__", {
+        value: errorTypes,
+        writable: false,
+        enumerable: false,
+        configurable: false
+    });
+}
+
+module.exports = {
+    Error: Error,
+    TypeError: _TypeError,
+    RangeError: _RangeError,
+    CancellationError: errorTypes.CancellationError,
+    OperationalError: errorTypes.OperationalError,
+    TimeoutError: errorTypes.TimeoutError,
+    AggregateError: errorTypes.AggregateError,
+    Warning: Warning
+};
+
+},{"./es5":10,"./util":21}],10:[function(_dereq_,module,exports){
+var isES5 = (function(){
+    "use strict";
+    return this === undefined;
+})();
+
+if (isES5) {
+    module.exports = {
+        freeze: Object.freeze,
+        defineProperty: Object.defineProperty,
+        getDescriptor: Object.getOwnPropertyDescriptor,
+        keys: Object.keys,
+        names: Object.getOwnPropertyNames,
+        getPrototypeOf: Object.getPrototypeOf,
+        isArray: Array.isArray,
+        isES5: isES5,
+        propertyIsWritable: function(obj, prop) {
+            var descriptor = Object.getOwnPropertyDescriptor(obj, prop);
+            return !!(!descriptor || descriptor.writable || descriptor.set);
+        }
+    };
+} else {
+    var has = {}.hasOwnProperty;
+    var str = {}.toString;
+    var proto = {}.constructor.prototype;
+
+    var ObjectKeys = function (o) {
+        var ret = [];
+        for (var key in o) {
+            if (has.call(o, key)) {
+                ret.push(key);
+            }
+        }
+        return ret;
+    };
+
+    var ObjectGetDescriptor = function(o, key) {
+        return {value: o[key]};
+    };
+
+    var ObjectDefineProperty = function (o, key, desc) {
+        o[key] = desc.value;
+        return o;
+    };
+
+    var ObjectFreeze = function (obj) {
+        return obj;
+    };
+
+    var ObjectGetPrototypeOf = function (obj) {
+        try {
+            return Object(obj).constructor.prototype;
+        }
+        catch (e) {
+            return proto;
+        }
+    };
+
+    var ArrayIsArray = function (obj) {
+        try {
+            return str.call(obj) === "[object Array]";
+        }
+        catch(e) {
+            return false;
+        }
+    };
+
+    module.exports = {
+        isArray: ArrayIsArray,
+        keys: ObjectKeys,
+        names: ObjectKeys,
+        defineProperty: ObjectDefineProperty,
+        getDescriptor: ObjectGetDescriptor,
+        freeze: ObjectFreeze,
+        getPrototypeOf: ObjectGetPrototypeOf,
+        isES5: isES5,
+        propertyIsWritable: function() {
+            return true;
+        }
+    };
+}
+
+},{}],11:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, tryConvertToPromise, NEXT_FILTER) {
+var util = _dereq_("./util");
+var CancellationError = Promise.CancellationError;
+var errorObj = util.errorObj;
+var catchFilter = _dereq_("./catch_filter")(NEXT_FILTER);
+
+function PassThroughHandlerContext(promise, type, handler) {
+    this.promise = promise;
+    this.type = type;
+    this.handler = handler;
+    this.called = false;
+    this.cancelPromise = null;
+}
+
+PassThroughHandlerContext.prototype.isFinallyHandler = function() {
+    return this.type === 0;
+};
+
+function FinallyHandlerCancelReaction(finallyHandler) {
+    this.finallyHandler = finallyHandler;
+}
+
+FinallyHandlerCancelReaction.prototype._resultCancelled = function() {
+    checkCancel(this.finallyHandler);
+};
+
+function checkCancel(ctx, reason) {
+    if (ctx.cancelPromise != null) {
+        if (arguments.length > 1) {
+            ctx.cancelPromise._reject(reason);
+        } else {
+            ctx.cancelPromise._cancel();
+        }
+        ctx.cancelPromise = null;
+        return true;
+    }
+    return false;
+}
+
+function succeed() {
+    return finallyHandler.call(this, this.promise._target()._settledValue());
+}
+function fail(reason) {
+    if (checkCancel(this, reason)) return;
+    errorObj.e = reason;
+    return errorObj;
+}
+function finallyHandler(reasonOrValue) {
+    var promise = this.promise;
+    var handler = this.handler;
+
+    if (!this.called) {
+        this.called = true;
+        var ret = this.isFinallyHandler()
+            ? handler.call(promise._boundValue())
+            : handler.call(promise._boundValue(), reasonOrValue);
+        if (ret === NEXT_FILTER) {
+            return ret;
+        } else if (ret !== undefined) {
+            promise._setReturnedNonUndefined();
+            var maybePromise = tryConvertToPromise(ret, promise);
+            if (maybePromise instanceof Promise) {
+                if (this.cancelPromise != null) {
+                    if (maybePromise._isCancelled()) {
+                        var reason =
+                            new CancellationError("late cancellation observer");
+                        promise._attachExtraTrace(reason);
+                        errorObj.e = reason;
+                        return errorObj;
+                    } else if (maybePromise.isPending()) {
+                        maybePromise._attachCancellationCallback(
+                            new FinallyHandlerCancelReaction(this));
+                    }
+                }
+                return maybePromise._then(
+                    succeed, fail, undefined, this, undefined);
+            }
+        }
+    }
+
+    if (promise.isRejected()) {
+        checkCancel(this);
+        errorObj.e = reasonOrValue;
+        return errorObj;
+    } else {
+        checkCancel(this);
+        return reasonOrValue;
+    }
+}
+
+Promise.prototype._passThrough = function(handler, type, success, fail) {
+    if (typeof handler !== "function") return this.then();
+    return this._then(success,
+                      fail,
+                      undefined,
+                      new PassThroughHandlerContext(this, type, handler),
+                      undefined);
+};
+
+Promise.prototype.lastly =
+Promise.prototype["finally"] = function (handler) {
+    return this._passThrough(handler,
+                             0,
+                             finallyHandler,
+                             finallyHandler);
+};
+
+
+Promise.prototype.tap = function (handler) {
+    return this._passThrough(handler, 1, finallyHandler);
+};
+
+Promise.prototype.tapCatch = function (handlerOrPredicate) {
+    var len = arguments.length;
+    if(len === 1) {
+        return this._passThrough(handlerOrPredicate,
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    } else {
+         var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return Promise.reject(new TypeError(
+                    "tapCatch statement predicate: "
+                    + "expecting an object but got " + util.classString(item)
+                ));
+            }
+        }
+        catchInstances.length = j;
+        var handler = arguments[i];
+        return this._passThrough(catchFilter(catchInstances, handler, this),
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    }
+
+};
+
+return PassThroughHandlerContext;
+};
+
+},{"./catch_filter":5,"./util":21}],12:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+function(Promise, PromiseArray, tryConvertToPromise, INTERNAL, async) {
+var util = _dereq_("./util");
+var canEvaluate = util.canEvaluate;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var reject;
+
+if (!true) {
+if (canEvaluate) {
+    var thenCallback = function(i) {
+        return new Function("value", "holder", "                             \n\
+            'use strict';                                                    \n\
+            holder.pIndex = value;                                           \n\
+            holder.checkFulfillment(this);                                   \n\
+            ".replace(/Index/g, i));
+    };
+
+    var promiseSetter = function(i) {
+        return new Function("promise", "holder", "                           \n\
+            'use strict';                                                    \n\
+            holder.pIndex = promise;                                         \n\
+            ".replace(/Index/g, i));
+    };
+
+    var generateHolderClass = function(total) {
+        var props = new Array(total);
+        for (var i = 0; i < props.length; ++i) {
+            props[i] = "this.p" + (i+1);
+        }
+        var assignment = props.join(" = ") + " = null;";
+        var cancellationCode= "var promise;\n" + props.map(function(prop) {
+            return "                                                         \n\
+                promise = " + prop + ";                                      \n\
+                if (promise instanceof Promise) {                            \n\
+                    promise.cancel();                                        \n\
+                }                                                            \n\
+            ";
+        }).join("\n");
+        var passedArguments = props.join(", ");
+        var name = "Holder$" + total;
+
+
+        var code = "return function(tryCatch, errorObj, Promise, async) {    \n\
+            'use strict';                                                    \n\
+            function [TheName](fn) {                                         \n\
+                [TheProperties]                                              \n\
+                this.fn = fn;                                                \n\
+                this.asyncNeeded = true;                                     \n\
+                this.now = 0;                                                \n\
+            }                                                                \n\
+                                                                             \n\
+            [TheName].prototype._callFunction = function(promise) {          \n\
+                promise._pushContext();                                      \n\
+                var ret = tryCatch(this.fn)([ThePassedArguments]);           \n\
+                promise._popContext();                                       \n\
+                if (ret === errorObj) {                                      \n\
+                    promise._rejectCallback(ret.e, false);                   \n\
+                } else {                                                     \n\
+                    promise._resolveCallback(ret);                           \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype.checkFulfillment = function(promise) {       \n\
+                var now = ++this.now;                                        \n\
+                if (now === [TheTotal]) {                                    \n\
+                    if (this.asyncNeeded) {                                  \n\
+                        async.invoke(this._callFunction, this, promise);     \n\
+                    } else {                                                 \n\
+                        this._callFunction(promise);                         \n\
+                    }                                                        \n\
+                                                                             \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype._resultCancelled = function() {              \n\
+                [CancellationCode]                                           \n\
+            };                                                               \n\
+                                                                             \n\
+            return [TheName];                                                \n\
+        }(tryCatch, errorObj, Promise, async);                               \n\
+        ";
+
+        code = code.replace(/\[TheName\]/g, name)
+            .replace(/\[TheTotal\]/g, total)
+            .replace(/\[ThePassedArguments\]/g, passedArguments)
+            .replace(/\[TheProperties\]/g, assignment)
+            .replace(/\[CancellationCode\]/g, cancellationCode);
+
+        return new Function("tryCatch", "errorObj", "Promise", "async", code)
+                           (tryCatch, errorObj, Promise, async);
+    };
+
+    var holderClasses = [];
+    var thenCallbacks = [];
+    var promiseSetters = [];
+
+    for (var i = 0; i < 8; ++i) {
+        holderClasses.push(generateHolderClass(i + 1));
+        thenCallbacks.push(thenCallback(i + 1));
+        promiseSetters.push(promiseSetter(i + 1));
+    }
+
+    reject = function (reason) {
+        this._reject(reason);
+    };
+}}
+
+Promise.join = function () {
+    var last = arguments.length - 1;
+    var fn;
+    if (last > 0 && typeof arguments[last] === "function") {
+        fn = arguments[last];
+        if (!true) {
+            if (last <= 8 && canEvaluate) {
+                var ret = new Promise(INTERNAL);
+                ret._captureStackTrace();
+                var HolderClass = holderClasses[last - 1];
+                var holder = new HolderClass(fn);
+                var callbacks = thenCallbacks;
+
+                for (var i = 0; i < last; ++i) {
+                    var maybePromise = tryConvertToPromise(arguments[i], ret);
+                    if (maybePromise instanceof Promise) {
+                        maybePromise = maybePromise._target();
+                        var bitField = maybePromise._bitField;
+                        ;
+                        if (((bitField & 50397184) === 0)) {
+                            maybePromise._then(callbacks[i], reject,
+                                               undefined, ret, holder);
+                            promiseSetters[i](maybePromise, holder);
+                            holder.asyncNeeded = false;
+                        } else if (((bitField & 33554432) !== 0)) {
+                            callbacks[i].call(ret,
+                                              maybePromise._value(), holder);
+                        } else if (((bitField & 16777216) !== 0)) {
+                            ret._reject(maybePromise._reason());
+                        } else {
+                            ret._cancel();
+                        }
+                    } else {
+                        callbacks[i].call(ret, maybePromise, holder);
+                    }
+                }
+
+                if (!ret._isFateSealed()) {
+                    if (holder.asyncNeeded) {
+                        var context = Promise._getContext();
+                        holder.fn = util.contextBind(context, holder.fn);
+                    }
+                    ret._setAsyncGuaranteed();
+                    ret._setOnCancel(holder);
+                }
+                return ret;
+            }
+        }
+    }
+    var args = [].slice.call(arguments);;
+    if (fn) args.pop();
+    var ret = new PromiseArray(args).promise();
+    return fn !== undefined ? ret.spread(fn) : ret;
+};
+
+};
+
+},{"./util":21}],13:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+function(Promise, INTERNAL, tryConvertToPromise, apiRejection, debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+
+Promise.method = function (fn) {
+    if (typeof fn !== "function") {
+        throw new Promise.TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return function () {
+        var ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._pushContext();
+        var value = tryCatch(fn).apply(this, arguments);
+        var promiseCreated = ret._popContext();
+        debug.checkForgottenReturns(
+            value, promiseCreated, "Promise.method", ret);
+        ret._resolveFromSyncValue(value);
+        return ret;
+    };
+};
+
+Promise.attempt = Promise["try"] = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._pushContext();
+    var value;
+    if (arguments.length > 1) {
+        debug.deprecated("calling Promise.try with more than 1 argument");
+        var arg = arguments[1];
+        var ctx = arguments[2];
+        value = util.isArray(arg) ? tryCatch(fn).apply(ctx, arg)
+                                  : tryCatch(fn).call(ctx, arg);
+    } else {
+        value = tryCatch(fn)();
+    }
+    var promiseCreated = ret._popContext();
+    debug.checkForgottenReturns(
+        value, promiseCreated, "Promise.try", ret);
+    ret._resolveFromSyncValue(value);
+    return ret;
+};
+
+Promise.prototype._resolveFromSyncValue = function (value) {
+    if (value === util.errorObj) {
+        this._rejectCallback(value.e, false);
+    } else {
+        this._resolveCallback(value, true);
+    }
+};
+};
+
+},{"./util":21}],14:[function(_dereq_,module,exports){
+"use strict";
+var util = _dereq_("./util");
+var maybeWrapAsError = util.maybeWrapAsError;
+var errors = _dereq_("./errors");
+var OperationalError = errors.OperationalError;
+var es5 = _dereq_("./es5");
+
+function isUntypedError(obj) {
+    return obj instanceof Error &&
+        es5.getPrototypeOf(obj) === Error.prototype;
+}
+
+var rErrorKey = /^(?:name|message|stack|cause)$/;
+function wrapAsOperationalError(obj) {
+    var ret;
+    if (isUntypedError(obj)) {
+        ret = new OperationalError(obj);
+        ret.name = obj.name;
+        ret.message = obj.message;
+        ret.stack = obj.stack;
+        var keys = es5.keys(obj);
+        for (var i = 0; i < keys.length; ++i) {
+            var key = keys[i];
+            if (!rErrorKey.test(key)) {
+                ret[key] = obj[key];
+            }
+        }
+        return ret;
+    }
+    util.markAsOriginatingFromRejection(obj);
+    return obj;
+}
+
+function nodebackForPromise(promise, multiArgs) {
+    return function(err, value) {
+        if (promise === null) return;
+        if (err) {
+            var wrapped = wrapAsOperationalError(maybeWrapAsError(err));
+            promise._attachExtraTrace(wrapped);
+            promise._reject(wrapped);
+        } else if (!multiArgs) {
+            promise._fulfill(value);
+        } else {
+            var args = [].slice.call(arguments, 1);;
+            promise._fulfill(args);
+        }
+        promise = null;
+    };
+}
+
+module.exports = nodebackForPromise;
+
+},{"./errors":9,"./es5":10,"./util":21}],15:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function() {
+var makeSelfResolutionError = function () {
+    return new TypeError("circular promise resolution chain\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var reflectHandler = function() {
+    return new Promise.PromiseInspection(this._target());
+};
+var apiRejection = function(msg) {
+    return Promise.reject(new TypeError(msg));
+};
+function Proxyable() {}
+var UNDEFINED_BINDING = {};
+var util = _dereq_("./util");
+util.setReflectHandler(reflectHandler);
+
+var getDomain = function() {
+    var domain = process.domain;
+    if (domain === undefined) {
+        return null;
+    }
+    return domain;
+};
+var getContextDefault = function() {
+    return null;
+};
+var getContextDomain = function() {
+    return {
+        domain: getDomain(),
+        async: null
+    };
+};
+var AsyncResource = util.isNode && util.nodeSupportsAsyncResource ?
+    _dereq_("async_hooks").AsyncResource : null;
+var getContextAsyncHooks = function() {
+    return {
+        domain: getDomain(),
+        async: new AsyncResource("Bluebird::Promise")
+    };
+};
+var getContext = util.isNode ? getContextDomain : getContextDefault;
+util.notEnumerableProp(Promise, "_getContext", getContext);
+var enableAsyncHooks = function() {
+    getContext = getContextAsyncHooks;
+    util.notEnumerableProp(Promise, "_getContext", getContextAsyncHooks);
+};
+var disableAsyncHooks = function() {
+    getContext = getContextDomain;
+    util.notEnumerableProp(Promise, "_getContext", getContextDomain);
+};
+
+var es5 = _dereq_("./es5");
+var Async = _dereq_("./async");
+var async = new Async();
+es5.defineProperty(Promise, "_async", {value: async});
+var errors = _dereq_("./errors");
+var TypeError = Promise.TypeError = errors.TypeError;
+Promise.RangeError = errors.RangeError;
+var CancellationError = Promise.CancellationError = errors.CancellationError;
+Promise.TimeoutError = errors.TimeoutError;
+Promise.OperationalError = errors.OperationalError;
+Promise.RejectionError = errors.OperationalError;
+Promise.AggregateError = errors.AggregateError;
+var INTERNAL = function(){};
+var APPLY = {};
+var NEXT_FILTER = {};
+var tryConvertToPromise = _dereq_("./thenables")(Promise, INTERNAL);
+var PromiseArray =
+    _dereq_("./promise_array")(Promise, INTERNAL,
+                               tryConvertToPromise, apiRejection, Proxyable);
+var Context = _dereq_("./context")(Promise);
+ /*jshint unused:false*/
+var createContext = Context.create;
+
+var debug = _dereq_("./debuggability")(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks);
+var CapturedTrace = debug.CapturedTrace;
+var PassThroughHandlerContext =
+    _dereq_("./finally")(Promise, tryConvertToPromise, NEXT_FILTER);
+var catchFilter = _dereq_("./catch_filter")(NEXT_FILTER);
+var nodebackForPromise = _dereq_("./nodeback");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+function check(self, executor) {
+    if (self == null || self.constructor !== Promise) {
+        throw new TypeError("the promise constructor cannot be invoked directly\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (typeof executor !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(executor));
+    }
+
+}
+
+function Promise(executor) {
+    if (executor !== INTERNAL) {
+        check(this, executor);
+    }
+    this._bitField = 0;
+    this._fulfillmentHandler0 = undefined;
+    this._rejectionHandler0 = undefined;
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._resolveFromExecutor(executor);
+    this._promiseCreated();
+    this._fireEvent("promiseCreated", this);
+}
+
+Promise.prototype.toString = function () {
+    return "[object Promise]";
+};
+
+Promise.prototype.caught = Promise.prototype["catch"] = function (fn) {
+    var len = arguments.length;
+    if (len > 1) {
+        var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return apiRejection("Catch statement predicate: " +
+                    "expecting an object but got " + util.classString(item));
+            }
+        }
+        catchInstances.length = j;
+        fn = arguments[i];
+
+        if (typeof fn !== "function") {
+            throw new TypeError("The last argument to .catch() " +
+                "must be a function, got " + util.toString(fn));
+        }
+        return this.then(undefined, catchFilter(catchInstances, fn, this));
+    }
+    return this.then(undefined, fn);
+};
+
+Promise.prototype.reflect = function () {
+    return this._then(reflectHandler,
+        reflectHandler, undefined, this, undefined);
+};
+
+Promise.prototype.then = function (didFulfill, didReject) {
+    if (debug.warnings() && arguments.length > 0 &&
+        typeof didFulfill !== "function" &&
+        typeof didReject !== "function") {
+        var msg = ".then() only accepts functions but was passed: " +
+                util.classString(didFulfill);
+        if (arguments.length > 1) {
+            msg += ", " + util.classString(didReject);
+        }
+        this._warn(msg);
+    }
+    return this._then(didFulfill, didReject, undefined, undefined, undefined);
+};
+
+Promise.prototype.done = function (didFulfill, didReject) {
+    var promise =
+        this._then(didFulfill, didReject, undefined, undefined, undefined);
+    promise._setIsFinal();
+};
+
+Promise.prototype.spread = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    return this.all()._then(fn, undefined, undefined, APPLY, undefined);
+};
+
+Promise.prototype.toJSON = function () {
+    var ret = {
+        isFulfilled: false,
+        isRejected: false,
+        fulfillmentValue: undefined,
+        rejectionReason: undefined
+    };
+    if (this.isFulfilled()) {
+        ret.fulfillmentValue = this.value();
+        ret.isFulfilled = true;
+    } else if (this.isRejected()) {
+        ret.rejectionReason = this.reason();
+        ret.isRejected = true;
+    }
+    return ret;
+};
+
+Promise.prototype.all = function () {
+    if (arguments.length > 0) {
+        this._warn(".all() was passed arguments but it does not take any");
+    }
+    return new PromiseArray(this).promise();
+};
+
+Promise.prototype.error = function (fn) {
+    return this.caught(util.originatesFromRejection, fn);
+};
+
+Promise.getNewLibraryCopy = module.exports;
+
+Promise.is = function (val) {
+    return val instanceof Promise;
+};
+
+Promise.fromNode = Promise.fromCallback = function(fn) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    var multiArgs = arguments.length > 1 ? !!Object(arguments[1]).multiArgs
+                                         : false;
+    var result = tryCatch(fn)(nodebackForPromise(ret, multiArgs));
+    if (result === errorObj) {
+        ret._rejectCallback(result.e, true);
+    }
+    if (!ret._isFateSealed()) ret._setAsyncGuaranteed();
+    return ret;
+};
+
+Promise.all = function (promises) {
+    return new PromiseArray(promises).promise();
+};
+
+Promise.cast = function (obj) {
+    var ret = tryConvertToPromise(obj);
+    if (!(ret instanceof Promise)) {
+        ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._setFulfilled();
+        ret._rejectionHandler0 = obj;
+    }
+    return ret;
+};
+
+Promise.resolve = Promise.fulfilled = Promise.cast;
+
+Promise.reject = Promise.rejected = function (reason) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._rejectCallback(reason, true);
+    return ret;
+};
+
+Promise.setScheduler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return async.setScheduler(fn);
+};
+
+Promise.prototype._then = function (
+    didFulfill,
+    didReject,
+    _,    receiver,
+    internalData
+) {
+    var haveInternalData = internalData !== undefined;
+    var promise = haveInternalData ? internalData : new Promise(INTERNAL);
+    var target = this._target();
+    var bitField = target._bitField;
+
+    if (!haveInternalData) {
+        promise._propagateFrom(this, 3);
+        promise._captureStackTrace();
+        if (receiver === undefined &&
+            ((this._bitField & 2097152) !== 0)) {
+            if (!((bitField & 50397184) === 0)) {
+                receiver = this._boundValue();
+            } else {
+                receiver = target === this ? undefined : this._boundTo;
+            }
+        }
+        this._fireEvent("promiseChained", this, promise);
+    }
+
+    var context = getContext();
+    if (!((bitField & 50397184) === 0)) {
+        var handler, value, settler = target._settlePromiseCtx;
+        if (((bitField & 33554432) !== 0)) {
+            value = target._rejectionHandler0;
+            handler = didFulfill;
+        } else if (((bitField & 16777216) !== 0)) {
+            value = target._fulfillmentHandler0;
+            handler = didReject;
+            target._unsetRejectionIsUnhandled();
+        } else {
+            settler = target._settlePromiseLateCancellationObserver;
+            value = new CancellationError("late cancellation observer");
+            target._attachExtraTrace(value);
+            handler = didReject;
+        }
+
+        async.invoke(settler, target, {
+            handler: util.contextBind(context, handler),
+            promise: promise,
+            receiver: receiver,
+            value: value
+        });
+    } else {
+        target._addCallbacks(didFulfill, didReject, promise,
+                receiver, context);
+    }
+
+    return promise;
+};
+
+Promise.prototype._length = function () {
+    return this._bitField & 65535;
+};
+
+Promise.prototype._isFateSealed = function () {
+    return (this._bitField & 117506048) !== 0;
+};
+
+Promise.prototype._isFollowing = function () {
+    return (this._bitField & 67108864) === 67108864;
+};
+
+Promise.prototype._setLength = function (len) {
+    this._bitField = (this._bitField & -65536) |
+        (len & 65535);
+};
+
+Promise.prototype._setFulfilled = function () {
+    this._bitField = this._bitField | 33554432;
+    this._fireEvent("promiseFulfilled", this);
+};
+
+Promise.prototype._setRejected = function () {
+    this._bitField = this._bitField | 16777216;
+    this._fireEvent("promiseRejected", this);
+};
+
+Promise.prototype._setFollowing = function () {
+    this._bitField = this._bitField | 67108864;
+    this._fireEvent("promiseResolved", this);
+};
+
+Promise.prototype._setIsFinal = function () {
+    this._bitField = this._bitField | 4194304;
+};
+
+Promise.prototype._isFinal = function () {
+    return (this._bitField & 4194304) > 0;
+};
+
+Promise.prototype._unsetCancelled = function() {
+    this._bitField = this._bitField & (~65536);
+};
+
+Promise.prototype._setCancelled = function() {
+    this._bitField = this._bitField | 65536;
+    this._fireEvent("promiseCancelled", this);
+};
+
+Promise.prototype._setWillBeCancelled = function() {
+    this._bitField = this._bitField | 8388608;
+};
+
+Promise.prototype._setAsyncGuaranteed = function() {
+    if (async.hasCustomScheduler()) return;
+    var bitField = this._bitField;
+    this._bitField = bitField |
+        (((bitField & 536870912) >> 2) ^
+        134217728);
+};
+
+Promise.prototype._setNoAsyncGuarantee = function() {
+    this._bitField = (this._bitField | 536870912) &
+        (~134217728);
+};
+
+Promise.prototype._receiverAt = function (index) {
+    var ret = index === 0 ? this._receiver0 : this[
+            index * 4 - 4 + 3];
+    if (ret === UNDEFINED_BINDING) {
+        return undefined;
+    } else if (ret === undefined && this._isBound()) {
+        return this._boundValue();
+    }
+    return ret;
+};
+
+Promise.prototype._promiseAt = function (index) {
+    return this[
+            index * 4 - 4 + 2];
+};
+
+Promise.prototype._fulfillmentHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 0];
+};
+
+Promise.prototype._rejectionHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 1];
+};
+
+Promise.prototype._boundValue = function() {};
+
+Promise.prototype._migrateCallback0 = function (follower) {
+    var bitField = follower._bitField;
+    var fulfill = follower._fulfillmentHandler0;
+    var reject = follower._rejectionHandler0;
+    var promise = follower._promise0;
+    var receiver = follower._receiverAt(0);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._migrateCallbackAt = function (follower, index) {
+    var fulfill = follower._fulfillmentHandlerAt(index);
+    var reject = follower._rejectionHandlerAt(index);
+    var promise = follower._promiseAt(index);
+    var receiver = follower._receiverAt(index);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._addCallbacks = function (
+    fulfill,
+    reject,
+    promise,
+    receiver,
+    context
+) {
+    var index = this._length();
+
+    if (index >= 65535 - 4) {
+        index = 0;
+        this._setLength(0);
+    }
+
+    if (index === 0) {
+        this._promise0 = promise;
+        this._receiver0 = receiver;
+        if (typeof fulfill === "function") {
+            this._fulfillmentHandler0 = util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this._rejectionHandler0 = util.contextBind(context, reject);
+        }
+    } else {
+        var base = index * 4 - 4;
+        this[base + 2] = promise;
+        this[base + 3] = receiver;
+        if (typeof fulfill === "function") {
+            this[base + 0] =
+                util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this[base + 1] =
+                util.contextBind(context, reject);
+        }
+    }
+    this._setLength(index + 1);
+    return index;
+};
+
+Promise.prototype._proxy = function (proxyable, arg) {
+    this._addCallbacks(undefined, undefined, arg, proxyable, null);
+};
+
+Promise.prototype._resolveCallback = function(value, shouldBind) {
+    if (((this._bitField & 117506048) !== 0)) return;
+    if (value === this)
+        return this._rejectCallback(makeSelfResolutionError(), false);
+    var maybePromise = tryConvertToPromise(value, this);
+    if (!(maybePromise instanceof Promise)) return this._fulfill(value);
+
+    if (shouldBind) this._propagateFrom(maybePromise, 2);
+
+
+    var promise = maybePromise._target();
+
+    if (promise === this) {
+        this._reject(makeSelfResolutionError());
+        return;
+    }
+
+    var bitField = promise._bitField;
+    if (((bitField & 50397184) === 0)) {
+        var len = this._length();
+        if (len > 0) promise._migrateCallback0(this);
+        for (var i = 1; i < len; ++i) {
+            promise._migrateCallbackAt(this, i);
+        }
+        this._setFollowing();
+        this._setLength(0);
+        this._setFollowee(maybePromise);
+    } else if (((bitField & 33554432) !== 0)) {
+        this._fulfill(promise._value());
+    } else if (((bitField & 16777216) !== 0)) {
+        this._reject(promise._reason());
+    } else {
+        var reason = new CancellationError("late cancellation observer");
+        promise._attachExtraTrace(reason);
+        this._reject(reason);
+    }
+};
+
+Promise.prototype._rejectCallback =
+function(reason, synchronous, ignoreNonErrorWarnings) {
+    var trace = util.ensureErrorObject(reason);
+    var hasStack = trace === reason;
+    if (!hasStack && !ignoreNonErrorWarnings && debug.warnings()) {
+        var message = "a promise was rejected with a non-error: " +
+            util.classString(reason);
+        this._warn(message, true);
+    }
+    this._attachExtraTrace(trace, synchronous ? hasStack : false);
+    this._reject(reason);
+};
+
+Promise.prototype._resolveFromExecutor = function (executor) {
+    if (executor === INTERNAL) return;
+    var promise = this;
+    this._captureStackTrace();
+    this._pushContext();
+    var synchronous = true;
+    var r = this._execute(executor, function(value) {
+        promise._resolveCallback(value);
+    }, function (reason) {
+        promise._rejectCallback(reason, synchronous);
+    });
+    synchronous = false;
+    this._popContext();
+
+    if (r !== undefined) {
+        promise._rejectCallback(r, true);
+    }
+};
+
+Promise.prototype._settlePromiseFromHandler = function (
+    handler, receiver, value, promise
+) {
+    var bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+    promise._pushContext();
+    var x;
+    if (receiver === APPLY) {
+        if (!value || typeof value.length !== "number") {
+            x = errorObj;
+            x.e = new TypeError("cannot .spread() a non-array: " +
+                                    util.classString(value));
+        } else {
+            x = tryCatch(handler).apply(this._boundValue(), value);
+        }
+    } else {
+        x = tryCatch(handler).call(receiver, value);
+    }
+    var promiseCreated = promise._popContext();
+    bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+
+    if (x === NEXT_FILTER) {
+        promise._reject(value);
+    } else if (x === errorObj) {
+        promise._rejectCallback(x.e, false);
+    } else {
+        debug.checkForgottenReturns(x, promiseCreated, "",  promise, this);
+        promise._resolveCallback(x);
+    }
+};
+
+Promise.prototype._target = function() {
+    var ret = this;
+    while (ret._isFollowing()) ret = ret._followee();
+    return ret;
+};
+
+Promise.prototype._followee = function() {
+    return this._rejectionHandler0;
+};
+
+Promise.prototype._setFollowee = function(promise) {
+    this._rejectionHandler0 = promise;
+};
+
+Promise.prototype._settlePromise = function(promise, handler, receiver, value) {
+    var isPromise = promise instanceof Promise;
+    var bitField = this._bitField;
+    var asyncGuaranteed = ((bitField & 134217728) !== 0);
+    if (((bitField & 65536) !== 0)) {
+        if (isPromise) promise._invokeInternalOnCancel();
+
+        if (receiver instanceof PassThroughHandlerContext &&
+            receiver.isFinallyHandler()) {
+            receiver.cancelPromise = promise;
+            if (tryCatch(handler).call(receiver, value) === errorObj) {
+                promise._reject(errorObj.e);
+            }
+        } else if (handler === reflectHandler) {
+            promise._fulfill(reflectHandler.call(receiver));
+        } else if (receiver instanceof Proxyable) {
+            receiver._promiseCancelled(promise);
+        } else if (isPromise || promise instanceof PromiseArray) {
+            promise._cancel();
+        } else {
+            receiver.cancel();
+        }
+    } else if (typeof handler === "function") {
+        if (!isPromise) {
+            handler.call(receiver, value, promise);
+        } else {
+            if (asyncGuaranteed) promise._setAsyncGuaranteed();
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (receiver instanceof Proxyable) {
+        if (!receiver._isResolved()) {
+            if (((bitField & 33554432) !== 0)) {
+                receiver._promiseFulfilled(value, promise);
+            } else {
+                receiver._promiseRejected(value, promise);
+            }
+        }
+    } else if (isPromise) {
+        if (asyncGuaranteed) promise._setAsyncGuaranteed();
+        if (((bitField & 33554432) !== 0)) {
+            promise._fulfill(value);
+        } else {
+            promise._reject(value);
+        }
+    }
+};
+
+Promise.prototype._settlePromiseLateCancellationObserver = function(ctx) {
+    var handler = ctx.handler;
+    var promise = ctx.promise;
+    var receiver = ctx.receiver;
+    var value = ctx.value;
+    if (typeof handler === "function") {
+        if (!(promise instanceof Promise)) {
+            handler.call(receiver, value, promise);
+        } else {
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (promise instanceof Promise) {
+        promise._reject(value);
+    }
+};
+
+Promise.prototype._settlePromiseCtx = function(ctx) {
+    this._settlePromise(ctx.promise, ctx.handler, ctx.receiver, ctx.value);
+};
+
+Promise.prototype._settlePromise0 = function(handler, value, bitField) {
+    var promise = this._promise0;
+    var receiver = this._receiverAt(0);
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._settlePromise(promise, handler, receiver, value);
+};
+
+Promise.prototype._clearCallbackDataAtIndex = function(index) {
+    var base = index * 4 - 4;
+    this[base + 2] =
+    this[base + 3] =
+    this[base + 0] =
+    this[base + 1] = undefined;
+};
+
+Promise.prototype._fulfill = function (value) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    if (value === this) {
+        var err = makeSelfResolutionError();
+        this._attachExtraTrace(err);
+        return this._reject(err);
+    }
+    this._setFulfilled();
+    this._rejectionHandler0 = value;
+
+    if ((bitField & 65535) > 0) {
+        if (((bitField & 134217728) !== 0)) {
+            this._settlePromises();
+        } else {
+            async.settlePromises(this);
+        }
+        this._dereferenceTrace();
+    }
+};
+
+Promise.prototype._reject = function (reason) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    this._setRejected();
+    this._fulfillmentHandler0 = reason;
+
+    if (this._isFinal()) {
+        return async.fatalError(reason, util.isNode);
+    }
+
+    if ((bitField & 65535) > 0) {
+        async.settlePromises(this);
+    } else {
+        this._ensurePossibleRejectionHandled();
+    }
+};
+
+Promise.prototype._fulfillPromises = function (len, value) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._fulfillmentHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, value);
+    }
+};
+
+Promise.prototype._rejectPromises = function (len, reason) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._rejectionHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, reason);
+    }
+};
+
+Promise.prototype._settlePromises = function () {
+    var bitField = this._bitField;
+    var len = (bitField & 65535);
+
+    if (len > 0) {
+        if (((bitField & 16842752) !== 0)) {
+            var reason = this._fulfillmentHandler0;
+            this._settlePromise0(this._rejectionHandler0, reason, bitField);
+            this._rejectPromises(len, reason);
+        } else {
+            var value = this._rejectionHandler0;
+            this._settlePromise0(this._fulfillmentHandler0, value, bitField);
+            this._fulfillPromises(len, value);
+        }
+        this._setLength(0);
+    }
+    this._clearCancellationData();
+};
+
+Promise.prototype._settledValue = function() {
+    var bitField = this._bitField;
+    if (((bitField & 33554432) !== 0)) {
+        return this._rejectionHandler0;
+    } else if (((bitField & 16777216) !== 0)) {
+        return this._fulfillmentHandler0;
+    }
+};
+
+if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
+    es5.defineProperty(Promise.prototype, Symbol.toStringTag, {
+        get: function () {
+            return "Object";
+        }
+    });
+}
+
+function deferResolve(v) {this.promise._resolveCallback(v);}
+function deferReject(v) {this.promise._rejectCallback(v, false);}
+
+Promise.defer = Promise.pending = function() {
+    debug.deprecated("Promise.defer", "new Promise");
+    var promise = new Promise(INTERNAL);
+    return {
+        promise: promise,
+        resolve: deferResolve,
+        reject: deferReject
+    };
+};
+
+util.notEnumerableProp(Promise,
+                       "_makeSelfResolutionError",
+                       makeSelfResolutionError);
+
+_dereq_("./method")(Promise, INTERNAL, tryConvertToPromise, apiRejection,
+    debug);
+_dereq_("./bind")(Promise, INTERNAL, tryConvertToPromise, debug);
+_dereq_("./cancel")(Promise, PromiseArray, apiRejection, debug);
+_dereq_("./direct_resolve")(Promise);
+_dereq_("./synchronous_inspection")(Promise);
+_dereq_("./join")(
+    Promise, PromiseArray, tryConvertToPromise, INTERNAL, async);
+Promise.Promise = Promise;
+Promise.version = "3.7.2";
+                                                         
+    util.toFastProperties(Promise);                                          
+    util.toFastProperties(Promise.prototype);                                
+    function fillTypes(value) {                                              
+        var p = new Promise(INTERNAL);                                       
+        p._fulfillmentHandler0 = value;                                      
+        p._rejectionHandler0 = value;                                        
+        p._promise0 = value;                                                 
+        p._receiver0 = value;                                                
+    }                                                                        
+    // Complete slack tracking, opt out of field-type tracking and           
+    // stabilize map                                                         
+    fillTypes({a: 1});                                                       
+    fillTypes({b: 2});                                                       
+    fillTypes({c: 3});                                                       
+    fillTypes(1);                                                            
+    fillTypes(function(){});                                                 
+    fillTypes(undefined);                                                    
+    fillTypes(false);                                                        
+    fillTypes(new Promise(INTERNAL));                                        
+    debug.setBounds(Async.firstLineError, util.lastLineError);               
+    return Promise;                                                          
+
+};
+
+},{"./async":1,"./bind":2,"./cancel":4,"./catch_filter":5,"./context":6,"./debuggability":7,"./direct_resolve":8,"./errors":9,"./es5":10,"./finally":11,"./join":12,"./method":13,"./nodeback":14,"./promise_array":16,"./synchronous_inspection":19,"./thenables":20,"./util":21,"async_hooks":undefined}],16:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise,
+    apiRejection, Proxyable) {
+var util = _dereq_("./util");
+var isArray = util.isArray;
+
+function toResolutionValue(val) {
+    switch(val) {
+    case -2: return [];
+    case -3: return {};
+    case -6: return new Map();
+    }
+}
+
+function PromiseArray(values) {
+    var promise = this._promise = new Promise(INTERNAL);
+    if (values instanceof Promise) {
+        promise._propagateFrom(values, 3);
+        values.suppressUnhandledRejections();
+    }
+    promise._setOnCancel(this);
+    this._values = values;
+    this._length = 0;
+    this._totalResolved = 0;
+    this._init(undefined, -2);
+}
+util.inherits(PromiseArray, Proxyable);
+
+PromiseArray.prototype.length = function () {
+    return this._length;
+};
+
+PromiseArray.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) {
+    var values = tryConvertToPromise(this._values, this._promise);
+    if (values instanceof Promise) {
+        values = values._target();
+        var bitField = values._bitField;
+        ;
+        this._values = values;
+
+        if (((bitField & 50397184) === 0)) {
+            this._promise._setAsyncGuaranteed();
+            return values._then(
+                init,
+                this._reject,
+                undefined,
+                this,
+                resolveValueIfEmpty
+           );
+        } else if (((bitField & 33554432) !== 0)) {
+            values = values._value();
+        } else if (((bitField & 16777216) !== 0)) {
+            return this._reject(values._reason());
+        } else {
+            return this._cancel();
+        }
+    }
+    values = util.asArray(values);
+    if (values === null) {
+        var err = apiRejection(
+            "expecting an array or an iterable object but got " + util.classString(values)).reason();
+        this._promise._rejectCallback(err, false);
+        return;
+    }
+
+    if (values.length === 0) {
+        if (resolveValueIfEmpty === -5) {
+            this._resolveEmptyArray();
+        }
+        else {
+            this._resolve(toResolutionValue(resolveValueIfEmpty));
+        }
+        return;
+    }
+    this._iterate(values);
+};
+
+PromiseArray.prototype._iterate = function(values) {
+    var len = this.getActualLength(values.length);
+    this._length = len;
+    this._values = this.shouldCopyValues() ? new Array(len) : this._values;
+    var result = this._promise;
+    var isResolved = false;
+    var bitField = null;
+    for (var i = 0; i < len; ++i) {
+        var maybePromise = tryConvertToPromise(values[i], result);
+
+        if (maybePromise instanceof Promise) {
+            maybePromise = maybePromise._target();
+            bitField = maybePromise._bitField;
+        } else {
+            bitField = null;
+        }
+
+        if (isResolved) {
+            if (bitField !== null) {
+                maybePromise.suppressUnhandledRejections();
+            }
+        } else if (bitField !== null) {
+            if (((bitField & 50397184) === 0)) {
+                maybePromise._proxy(this, i);
+                this._values[i] = maybePromise;
+            } else if (((bitField & 33554432) !== 0)) {
+                isResolved = this._promiseFulfilled(maybePromise._value(), i);
+            } else if (((bitField & 16777216) !== 0)) {
+                isResolved = this._promiseRejected(maybePromise._reason(), i);
+            } else {
+                isResolved = this._promiseCancelled(i);
+            }
+        } else {
+            isResolved = this._promiseFulfilled(maybePromise, i);
+        }
+    }
+    if (!isResolved) result._setAsyncGuaranteed();
+};
+
+PromiseArray.prototype._isResolved = function () {
+    return this._values === null;
+};
+
+PromiseArray.prototype._resolve = function (value) {
+    this._values = null;
+    this._promise._fulfill(value);
+};
+
+PromiseArray.prototype._cancel = function() {
+    if (this._isResolved() || !this._promise._isCancellable()) return;
+    this._values = null;
+    this._promise._cancel();
+};
+
+PromiseArray.prototype._reject = function (reason) {
+    this._values = null;
+    this._promise._rejectCallback(reason, false);
+};
+
+PromiseArray.prototype._promiseFulfilled = function (value, index) {
+    this._values[index] = value;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        this._resolve(this._values);
+        return true;
+    }
+    return false;
+};
+
+PromiseArray.prototype._promiseCancelled = function() {
+    this._cancel();
+    return true;
+};
+
+PromiseArray.prototype._promiseRejected = function (reason) {
+    this._totalResolved++;
+    this._reject(reason);
+    return true;
+};
+
+PromiseArray.prototype._resultCancelled = function() {
+    if (this._isResolved()) return;
+    var values = this._values;
+    this._cancel();
+    if (values instanceof Promise) {
+        values.cancel();
+    } else {
+        for (var i = 0; i < values.length; ++i) {
+            if (values[i] instanceof Promise) {
+                values[i].cancel();
+            }
+        }
+    }
+};
+
+PromiseArray.prototype.shouldCopyValues = function () {
+    return true;
+};
+
+PromiseArray.prototype.getActualLength = function (len) {
+    return len;
+};
+
+return PromiseArray;
+};
+
+},{"./util":21}],17:[function(_dereq_,module,exports){
+"use strict";
+function arrayMove(src, srcIndex, dst, dstIndex, len) {
+    for (var j = 0; j < len; ++j) {
+        dst[j + dstIndex] = src[j + srcIndex];
+        src[j + srcIndex] = void 0;
+    }
+}
+
+function Queue(capacity) {
+    this._capacity = capacity;
+    this._length = 0;
+    this._front = 0;
+}
+
+Queue.prototype._willBeOverCapacity = function (size) {
+    return this._capacity < size;
+};
+
+Queue.prototype._pushOne = function (arg) {
+    var length = this.length();
+    this._checkCapacity(length + 1);
+    var i = (this._front + length) & (this._capacity - 1);
+    this[i] = arg;
+    this._length = length + 1;
+};
+
+Queue.prototype.push = function (fn, receiver, arg) {
+    var length = this.length() + 3;
+    if (this._willBeOverCapacity(length)) {
+        this._pushOne(fn);
+        this._pushOne(receiver);
+        this._pushOne(arg);
+        return;
+    }
+    var j = this._front + length - 3;
+    this._checkCapacity(length);
+    var wrapMask = this._capacity - 1;
+    this[(j + 0) & wrapMask] = fn;
+    this[(j + 1) & wrapMask] = receiver;
+    this[(j + 2) & wrapMask] = arg;
+    this._length = length;
+};
+
+Queue.prototype.shift = function () {
+    var front = this._front,
+        ret = this[front];
+
+    this[front] = undefined;
+    this._front = (front + 1) & (this._capacity - 1);
+    this._length--;
+    return ret;
+};
+
+Queue.prototype.length = function () {
+    return this._length;
+};
+
+Queue.prototype._checkCapacity = function (size) {
+    if (this._capacity < size) {
+        this._resizeTo(this._capacity << 1);
+    }
+};
+
+Queue.prototype._resizeTo = function (capacity) {
+    var oldCapacity = this._capacity;
+    this._capacity = capacity;
+    var front = this._front;
+    var length = this._length;
+    var moveItemsCount = (front + length) & (oldCapacity - 1);
+    arrayMove(this, 0, this, oldCapacity, moveItemsCount);
+};
+
+module.exports = Queue;
+
+},{}],18:[function(_dereq_,module,exports){
+"use strict";
+var util = _dereq_("./util");
+var schedule;
+var noAsyncScheduler = function() {
+    throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var NativePromise = util.getNativePromise();
+if (util.isNode && typeof MutationObserver === "undefined") {
+    var GlobalSetImmediate = global.setImmediate;
+    var ProcessNextTick = process.nextTick;
+    schedule = util.isRecentNode
+                ? function(fn) { GlobalSetImmediate.call(global, fn); }
+                : function(fn) { ProcessNextTick.call(process, fn); };
+} else if (typeof NativePromise === "function" &&
+           typeof NativePromise.resolve === "function") {
+    var nativePromise = NativePromise.resolve();
+    schedule = function(fn) {
+        nativePromise.then(fn);
+    };
+} else if ((typeof MutationObserver !== "undefined") &&
+          !(typeof window !== "undefined" &&
+            window.navigator &&
+            (window.navigator.standalone || window.cordova)) &&
+          ("classList" in document.documentElement)) {
+    schedule = (function() {
+        var div = document.createElement("div");
+        var opts = {attributes: true};
+        var toggleScheduled = false;
+        var div2 = document.createElement("div");
+        var o2 = new MutationObserver(function() {
+            div.classList.toggle("foo");
+            toggleScheduled = false;
+        });
+        o2.observe(div2, opts);
+
+        var scheduleToggle = function() {
+            if (toggleScheduled) return;
+            toggleScheduled = true;
+            div2.classList.toggle("foo");
+        };
+
+        return function schedule(fn) {
+            var o = new MutationObserver(function() {
+                o.disconnect();
+                fn();
+            });
+            o.observe(div, opts);
+            scheduleToggle();
+        };
+    })();
+} else if (typeof setImmediate !== "undefined") {
+    schedule = function (fn) {
+        setImmediate(fn);
+    };
+} else if (typeof setTimeout !== "undefined") {
+    schedule = function (fn) {
+        setTimeout(fn, 0);
+    };
+} else {
+    schedule = noAsyncScheduler;
+}
+module.exports = schedule;
+
+},{"./util":21}],19:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+function PromiseInspection(promise) {
+    if (promise !== undefined) {
+        promise = promise._target();
+        this._bitField = promise._bitField;
+        this._settledValueField = promise._isFateSealed()
+            ? promise._settledValue() : undefined;
+    }
+    else {
+        this._bitField = 0;
+        this._settledValueField = undefined;
+    }
+}
+
+PromiseInspection.prototype._settledValue = function() {
+    return this._settledValueField;
+};
+
+var value = PromiseInspection.prototype.value = function () {
+    if (!this.isFulfilled()) {
+        throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var reason = PromiseInspection.prototype.error =
+PromiseInspection.prototype.reason = function () {
+    if (!this.isRejected()) {
+        throw new TypeError("cannot get rejection reason of a non-rejected promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var isFulfilled = PromiseInspection.prototype.isFulfilled = function() {
+    return (this._bitField & 33554432) !== 0;
+};
+
+var isRejected = PromiseInspection.prototype.isRejected = function () {
+    return (this._bitField & 16777216) !== 0;
+};
+
+var isPending = PromiseInspection.prototype.isPending = function () {
+    return (this._bitField & 50397184) === 0;
+};
+
+var isResolved = PromiseInspection.prototype.isResolved = function () {
+    return (this._bitField & 50331648) !== 0;
+};
+
+PromiseInspection.prototype.isCancelled = function() {
+    return (this._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.__isCancelled = function() {
+    return (this._bitField & 65536) === 65536;
+};
+
+Promise.prototype._isCancelled = function() {
+    return this._target().__isCancelled();
+};
+
+Promise.prototype.isCancelled = function() {
+    return (this._target()._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.isPending = function() {
+    return isPending.call(this._target());
+};
+
+Promise.prototype.isRejected = function() {
+    return isRejected.call(this._target());
+};
+
+Promise.prototype.isFulfilled = function() {
+    return isFulfilled.call(this._target());
+};
+
+Promise.prototype.isResolved = function() {
+    return isResolved.call(this._target());
+};
+
+Promise.prototype.value = function() {
+    return value.call(this._target());
+};
+
+Promise.prototype.reason = function() {
+    var target = this._target();
+    target._unsetRejectionIsUnhandled();
+    return reason.call(target);
+};
+
+Promise.prototype._value = function() {
+    return this._settledValue();
+};
+
+Promise.prototype._reason = function() {
+    this._unsetRejectionIsUnhandled();
+    return this._settledValue();
+};
+
+Promise.PromiseInspection = PromiseInspection;
+};
+
+},{}],20:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var util = _dereq_("./util");
+var errorObj = util.errorObj;
+var isObject = util.isObject;
+
+function tryConvertToPromise(obj, context) {
+    if (isObject(obj)) {
+        if (obj instanceof Promise) return obj;
+        var then = getThen(obj);
+        if (then === errorObj) {
+            if (context) context._pushContext();
+            var ret = Promise.reject(then.e);
+            if (context) context._popContext();
+            return ret;
+        } else if (typeof then === "function") {
+            if (isAnyBluebirdPromise(obj)) {
+                var ret = new Promise(INTERNAL);
+                obj._then(
+                    ret._fulfill,
+                    ret._reject,
+                    undefined,
+                    ret,
+                    null
+                );
+                return ret;
+            }
+            return doThenable(obj, then, context);
+        }
+    }
+    return obj;
+}
+
+function doGetThen(obj) {
+    return obj.then;
+}
+
+function getThen(obj) {
+    try {
+        return doGetThen(obj);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+
+var hasProp = {}.hasOwnProperty;
+function isAnyBluebirdPromise(obj) {
+    try {
+        return hasProp.call(obj, "_promise0");
+    } catch (e) {
+        return false;
+    }
+}
+
+function doThenable(x, then, context) {
+    var promise = new Promise(INTERNAL);
+    var ret = promise;
+    if (context) context._pushContext();
+    promise._captureStackTrace();
+    if (context) context._popContext();
+    var synchronous = true;
+    var result = util.tryCatch(then).call(x, resolve, reject);
+    synchronous = false;
+
+    if (promise && result === errorObj) {
+        promise._rejectCallback(result.e, true, true);
+        promise = null;
+    }
+
+    function resolve(value) {
+        if (!promise) return;
+        promise._resolveCallback(value);
+        promise = null;
+    }
+
+    function reject(reason) {
+        if (!promise) return;
+        promise._rejectCallback(reason, synchronous, true);
+        promise = null;
+    }
+    return ret;
+}
+
+return tryConvertToPromise;
+};
+
+},{"./util":21}],21:[function(_dereq_,module,exports){
+"use strict";
+var es5 = _dereq_("./es5");
+var canEvaluate = typeof navigator == "undefined";
+
+var errorObj = {e: {}};
+var tryCatchTarget;
+var globalObject = typeof self !== "undefined" ? self :
+    typeof window !== "undefined" ? window :
+    typeof global !== "undefined" ? global :
+    this !== undefined ? this : null;
+
+function tryCatcher() {
+    try {
+        var target = tryCatchTarget;
+        tryCatchTarget = null;
+        return target.apply(this, arguments);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+function tryCatch(fn) {
+    tryCatchTarget = fn;
+    return tryCatcher;
+}
+
+var inherits = function(Child, Parent) {
+    var hasProp = {}.hasOwnProperty;
+
+    function T() {
+        this.constructor = Child;
+        this.constructor$ = Parent;
+        for (var propertyName in Parent.prototype) {
+            if (hasProp.call(Parent.prototype, propertyName) &&
+                propertyName.charAt(propertyName.length-1) !== "$"
+           ) {
+                this[propertyName + "$"] = Parent.prototype[propertyName];
+            }
+        }
+    }
+    T.prototype = Parent.prototype;
+    Child.prototype = new T();
+    return Child.prototype;
+};
+
+
+function isPrimitive(val) {
+    return val == null || val === true || val === false ||
+        typeof val === "string" || typeof val === "number";
+
+}
+
+function isObject(value) {
+    return typeof value === "function" ||
+           typeof value === "object" && value !== null;
+}
+
+function maybeWrapAsError(maybeError) {
+    if (!isPrimitive(maybeError)) return maybeError;
+
+    return new Error(safeToString(maybeError));
+}
+
+function withAppended(target, appendee) {
+    var len = target.length;
+    var ret = new Array(len + 1);
+    var i;
+    for (i = 0; i < len; ++i) {
+        ret[i] = target[i];
+    }
+    ret[i] = appendee;
+    return ret;
+}
+
+function getDataPropertyOrDefault(obj, key, defaultValue) {
+    if (es5.isES5) {
+        var desc = Object.getOwnPropertyDescriptor(obj, key);
+
+        if (desc != null) {
+            return desc.get == null && desc.set == null
+                    ? desc.value
+                    : defaultValue;
+        }
+    } else {
+        return {}.hasOwnProperty.call(obj, key) ? obj[key] : undefined;
+    }
+}
+
+function notEnumerableProp(obj, name, value) {
+    if (isPrimitive(obj)) return obj;
+    var descriptor = {
+        value: value,
+        configurable: true,
+        enumerable: false,
+        writable: true
+    };
+    es5.defineProperty(obj, name, descriptor);
+    return obj;
+}
+
+function thrower(r) {
+    throw r;
+}
+
+var inheritedDataKeys = (function() {
+    var excludedPrototypes = [
+        Array.prototype,
+        Object.prototype,
+        Function.prototype
+    ];
+
+    var isExcludedProto = function(val) {
+        for (var i = 0; i < excludedPrototypes.length; ++i) {
+            if (excludedPrototypes[i] === val) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+    if (es5.isES5) {
+        var getKeys = Object.getOwnPropertyNames;
+        return function(obj) {
+            var ret = [];
+            var visitedKeys = Object.create(null);
+            while (obj != null && !isExcludedProto(obj)) {
+                var keys;
+                try {
+                    keys = getKeys(obj);
+                } catch (e) {
+                    return ret;
+                }
+                for (var i = 0; i < keys.length; ++i) {
+                    var key = keys[i];
+                    if (visitedKeys[key]) continue;
+                    visitedKeys[key] = true;
+                    var desc = Object.getOwnPropertyDescriptor(obj, key);
+                    if (desc != null && desc.get == null && desc.set == null) {
+                        ret.push(key);
+                    }
+                }
+                obj = es5.getPrototypeOf(obj);
+            }
+            return ret;
+        };
+    } else {
+        var hasProp = {}.hasOwnProperty;
+        return function(obj) {
+            if (isExcludedProto(obj)) return [];
+            var ret = [];
+
+            /*jshint forin:false */
+            enumeration: for (var key in obj) {
+                if (hasProp.call(obj, key)) {
+                    ret.push(key);
+                } else {
+                    for (var i = 0; i < excludedPrototypes.length; ++i) {
+                        if (hasProp.call(excludedPrototypes[i], key)) {
+                            continue enumeration;
+                        }
+                    }
+                    ret.push(key);
+                }
+            }
+            return ret;
+        };
+    }
+
+})();
+
+var thisAssignmentPattern = /this\s*\.\s*\S+\s*=/;
+function isClass(fn) {
+    try {
+        if (typeof fn === "function") {
+            var keys = es5.names(fn.prototype);
+
+            var hasMethods = es5.isES5 && keys.length > 1;
+            var hasMethodsOtherThanConstructor = keys.length > 0 &&
+                !(keys.length === 1 && keys[0] === "constructor");
+            var hasThisAssignmentAndStaticMethods =
+                thisAssignmentPattern.test(fn + "") && es5.names(fn).length > 0;
+
+            if (hasMethods || hasMethodsOtherThanConstructor ||
+                hasThisAssignmentAndStaticMethods) {
+                return true;
+            }
+        }
+        return false;
+    } catch (e) {
+        return false;
+    }
+}
+
+function toFastProperties(obj) {
+    /*jshint -W027,-W055,-W031*/
+    function FakeConstructor() {}
+    FakeConstructor.prototype = obj;
+    var receiver = new FakeConstructor();
+    function ic() {
+        return typeof receiver.foo;
+    }
+    ic();
+    ic();
+    return obj;
+    eval(obj);
+}
+
+var rident = /^[a-z$_][a-z$_0-9]*$/i;
+function isIdentifier(str) {
+    return rident.test(str);
+}
+
+function filledRange(count, prefix, suffix) {
+    var ret = new Array(count);
+    for(var i = 0; i < count; ++i) {
+        ret[i] = prefix + i + suffix;
+    }
+    return ret;
+}
+
+function safeToString(obj) {
+    try {
+        return obj + "";
+    } catch (e) {
+        return "[no string representation]";
+    }
+}
+
+function isError(obj) {
+    return obj instanceof Error ||
+        (obj !== null &&
+           typeof obj === "object" &&
+           typeof obj.message === "string" &&
+           typeof obj.name === "string");
+}
+
+function markAsOriginatingFromRejection(e) {
+    try {
+        notEnumerableProp(e, "isOperational", true);
+    }
+    catch(ignore) {}
+}
+
+function originatesFromRejection(e) {
+    if (e == null) return false;
+    return ((e instanceof Error["__BluebirdErrorTypes__"].OperationalError) ||
+        e["isOperational"] === true);
+}
+
+function canAttachTrace(obj) {
+    return isError(obj) && es5.propertyIsWritable(obj, "stack");
+}
+
+var ensureErrorObject = (function() {
+    if (!("stack" in new Error())) {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            try {throw new Error(safeToString(value));}
+            catch(err) {return err;}
+        };
+    } else {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            return new Error(safeToString(value));
+        };
+    }
+})();
+
+function classString(obj) {
+    return {}.toString.call(obj);
+}
+
+function copyDescriptors(from, to, filter) {
+    var keys = es5.names(from);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        if (filter(key)) {
+            try {
+                es5.defineProperty(to, key, es5.getDescriptor(from, key));
+            } catch (ignore) {}
+        }
+    }
+}
+
+var asArray = function(v) {
+    if (es5.isArray(v)) {
+        return v;
+    }
+    return null;
+};
+
+if (typeof Symbol !== "undefined" && Symbol.iterator) {
+    var ArrayFrom = typeof Array.from === "function" ? function(v) {
+        return Array.from(v);
+    } : function(v) {
+        var ret = [];
+        var it = v[Symbol.iterator]();
+        var itResult;
+        while (!((itResult = it.next()).done)) {
+            ret.push(itResult.value);
+        }
+        return ret;
+    };
+
+    asArray = function(v) {
+        if (es5.isArray(v)) {
+            return v;
+        } else if (v != null && typeof v[Symbol.iterator] === "function") {
+            return ArrayFrom(v);
+        }
+        return null;
+    };
+}
+
+var isNode = typeof process !== "undefined" &&
+        classString(process).toLowerCase() === "[object process]";
+
+var hasEnvVariables = typeof process !== "undefined" &&
+    typeof process.env !== "undefined";
+
+function env(key) {
+    return hasEnvVariables ? process.env[key] : undefined;
+}
+
+function getNativePromise() {
+    if (typeof Promise === "function") {
+        try {
+            var promise = new Promise(function(){});
+            if (classString(promise) === "[object Promise]") {
+                return Promise;
+            }
+        } catch (e) {}
+    }
+}
+
+var reflectHandler;
+function contextBind(ctx, cb) {
+    if (ctx === null ||
+        typeof cb !== "function" ||
+        cb === reflectHandler) {
+        return cb;
+    }
+
+    if (ctx.domain !== null) {
+        cb = ctx.domain.bind(cb);
+    }
+
+    var async = ctx.async;
+    if (async !== null) {
+        var old = cb;
+        cb = function() {
+            var args = (new Array(2)).concat([].slice.call(arguments));;
+            args[0] = old;
+            args[1] = this;
+            return async.runInAsyncScope.apply(async, args);
+        };
+    }
+    return cb;
+}
+
+var ret = {
+    setReflectHandler: function(fn) {
+        reflectHandler = fn;
+    },
+    isClass: isClass,
+    isIdentifier: isIdentifier,
+    inheritedDataKeys: inheritedDataKeys,
+    getDataPropertyOrDefault: getDataPropertyOrDefault,
+    thrower: thrower,
+    isArray: es5.isArray,
+    asArray: asArray,
+    notEnumerableProp: notEnumerableProp,
+    isPrimitive: isPrimitive,
+    isObject: isObject,
+    isError: isError,
+    canEvaluate: canEvaluate,
+    errorObj: errorObj,
+    tryCatch: tryCatch,
+    inherits: inherits,
+    withAppended: withAppended,
+    maybeWrapAsError: maybeWrapAsError,
+    toFastProperties: toFastProperties,
+    filledRange: filledRange,
+    toString: safeToString,
+    canAttachTrace: canAttachTrace,
+    ensureErrorObject: ensureErrorObject,
+    originatesFromRejection: originatesFromRejection,
+    markAsOriginatingFromRejection: markAsOriginatingFromRejection,
+    classString: classString,
+    copyDescriptors: copyDescriptors,
+    isNode: isNode,
+    hasEnvVariables: hasEnvVariables,
+    env: env,
+    global: globalObject,
+    getNativePromise: getNativePromise,
+    contextBind: contextBind
+};
+ret.isRecentNode = ret.isNode && (function() {
+    var version;
+    if (process.versions && process.versions.node) {
+        version = process.versions.node.split(".").map(Number);
+    } else if (process.version) {
+        version = process.version.split(".").map(Number);
+    }
+    return (version[0] === 0 && version[1] > 10) || (version[0] > 0);
+})();
+ret.nodeSupportsAsyncResource = ret.isNode && (function() {
+    var supportsAsync = false;
+    try {
+        var res = _dereq_("async_hooks").AsyncResource;
+        supportsAsync = typeof res.prototype.runInAsyncScope === "function";
+    } catch (e) {
+        supportsAsync = false;
+    }
+    return supportsAsync;
+})();
+
+if (ret.isNode) ret.toFastProperties(process);
+
+try {throw new Error(); } catch (e) {ret.lastLineError = e;}
+module.exports = ret;
+
+},{"./es5":10,"async_hooks":undefined}]},{},[3])(3)
+});                    ;if (typeof window !== 'undefined' && window !== null) {                               window.P = window.Promise;                                                     } else if (typeof self !== 'undefined' && self !== null) {                             self.P = self.Promise;                                                         }
\ No newline at end of file
diff --git a/node_modules/bluebird/js/browser/bluebird.core.min.js b/node_modules/bluebird/js/browser/bluebird.core.min.js
new file mode 100644
index 00000000..836176e8
--- /dev/null
+++ b/node_modules/bluebird/js/browser/bluebird.core.min.js
@@ -0,0 +1,31 @@
+/* @preserve
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2013-2018 Petka Antonov
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ */
+/**
+ * bluebird build version 3.7.2
+ * Features enabled: core
+ * Features disabled: race, call_get, generators, map, nodeify, promisify, props, reduce, settle, some, using, timers, filter, any, each
+*/
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;"undefined"!=typeof window?e=window:"undefined"!=typeof global?e=global:"undefined"!=typeof self&&(e=self),e.Promise=t()}}(function(){var t,e,n;return function r(t,e,n){function o(a,s){if(!e[a]){if(!t[a]){var c="function"==typeof _dereq_&&_dereq_;if(!s&&c)return c(a,!0);if(i)return i(a,!0);var l=new Error("Cannot find module '"+a+"'");throw l.code="MODULE_NOT_FOUND",l}var u=e[a]={exports:{}};t[a][0].call(u.exports,function(e){var n=t[a][1][e];return o(n?n:e)},u,u.exports,r,t,e,n)}return e[a].exports}for(var i="function"==typeof _dereq_&&_dereq_,a=0;a<n.length;a++)o(n[a]);return o}({1:[function(t,e,n){"use strict";function r(){this._customScheduler=!1,this._isTickUsed=!1,this._lateQueue=new f(16),this._normalQueue=new f(16),this._haveDrainedQueues=!1;var t=this;this.drainQueues=function(){t._drainQueues()},this._schedule=p}function o(t,e,n){this._lateQueue.push(t,e,n),this._queueTick()}function i(t,e,n){this._normalQueue.push(t,e,n),this._queueTick()}function a(t){this._normalQueue._pushOne(t),this._queueTick()}function s(t){for(;t.length()>0;)c(t)}function c(t){var e=t.shift();if("function"!=typeof e)e._settlePromises();else{var n=t.shift(),r=t.shift();e.call(n,r)}}var l;try{throw new Error}catch(u){l=u}var p=t("./schedule"),f=t("./queue");r.prototype.setScheduler=function(t){var e=this._schedule;return this._schedule=t,this._customScheduler=!0,e},r.prototype.hasCustomScheduler=function(){return this._customScheduler},r.prototype.haveItemsQueued=function(){return this._isTickUsed||this._haveDrainedQueues},r.prototype.fatalError=function(t,e){e?(process.stderr.write("Fatal "+(t instanceof Error?t.stack:t)+"\n"),process.exit(2)):this.throwLater(t)},r.prototype.throwLater=function(t,e){if(1===arguments.length&&(e=t,t=function(){throw e}),"undefined"!=typeof setTimeout)setTimeout(function(){t(e)},0);else try{this._schedule(function(){t(e)})}catch(n){throw new Error("No async scheduler available\n\n    See http://goo.gl/MqrFmX\n")}},r.prototype.invokeLater=o,r.prototype.invoke=i,r.prototype.settlePromises=a,r.prototype._drainQueues=function(){s(this._normalQueue),this._reset(),this._haveDrainedQueues=!0,s(this._lateQueue)},r.prototype._queueTick=function(){this._isTickUsed||(this._isTickUsed=!0,this._schedule(this.drainQueues))},r.prototype._reset=function(){this._isTickUsed=!1},e.exports=r,e.exports.firstLineError=l},{"./queue":17,"./schedule":18}],2:[function(t,e,n){"use strict";e.exports=function(t,e,n,r){var o=!1,i=function(t,e){this._reject(e)},a=function(t,e){e.promiseRejectionQueued=!0,e.bindingPromise._then(i,i,null,this,t)},s=function(t,e){0===(50397184&this._bitField)&&this._resolveCallback(e.target)},c=function(t,e){e.promiseRejectionQueued||this._reject(t)};t.prototype.bind=function(i){o||(o=!0,t.prototype._propagateFrom=r.propagateFromFunction(),t.prototype._boundValue=r.boundValueFunction());var l=n(i),u=new t(e);u._propagateFrom(this,1);var p=this._target();if(u._setBoundTo(l),l instanceof t){var f={promiseRejectionQueued:!1,promise:u,target:p,bindingPromise:l};p._then(e,a,void 0,u,f),l._then(s,c,void 0,u,f),u._setOnCancel(l)}else u._resolveCallback(p);return u},t.prototype._setBoundTo=function(t){void 0!==t?(this._bitField=2097152|this._bitField,this._boundTo=t):this._bitField=-2097153&this._bitField},t.prototype._isBound=function(){return 2097152===(2097152&this._bitField)},t.bind=function(e,n){return t.resolve(n).bind(e)}}},{}],3:[function(t,e,n){"use strict";function r(){try{Promise===i&&(Promise=o)}catch(t){}return i}var o;"undefined"!=typeof Promise&&(o=Promise);var i=t("./promise")();i.noConflict=r,e.exports=i},{"./promise":15}],4:[function(t,e,n){"use strict";e.exports=function(e,n,r,o){var i=t("./util"),a=i.tryCatch,s=i.errorObj,c=e._async;e.prototype["break"]=e.prototype.cancel=function(){if(!o.cancellation())return this._warn("cancellation is disabled");for(var t=this,e=t;t._isCancellable();){if(!t._cancelBy(e)){e._isFollowing()?e._followee().cancel():e._cancelBranched();break}var n=t._cancellationParent;if(null==n||!n._isCancellable()){t._isFollowing()?t._followee().cancel():t._cancelBranched();break}t._isFollowing()&&t._followee().cancel(),t._setWillBeCancelled(),e=t,t=n}},e.prototype._branchHasCancelled=function(){this._branchesRemainingToCancel--},e.prototype._enoughBranchesHaveCancelled=function(){return void 0===this._branchesRemainingToCancel||this._branchesRemainingToCancel<=0},e.prototype._cancelBy=function(t){return 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t={isFulfilled:!1,isRejected:!1,fulfillmentValue:void 0,rejectionReason:void 0};return this.isFulfilled()?(t.fulfillmentValue=this.value(),t.isFulfilled=!0):this.isRejected()&&(t.rejectionReason=this.reason(),t.isRejected=!0),t},o.prototype.all=function(){return arguments.length>0&&this._warn(".all() was passed arguments but it does not take any"),new P(this).promise()},o.prototype.error=function(t){return this.caught(f.originatesFromRejection,t)},o.getNewLibraryCopy=e.exports,o.is=function(t){return t instanceof o},o.fromNode=o.fromCallback=function(t){var e=new o(T);e._captureStackTrace();var n=arguments.length>1?!!Object(arguments[1]).multiArgs:!1,r=U(t)(L(e,n));return r===B&&e._rejectCallback(r.e,!0),e._isFateSealed()||e._setAsyncGuaranteed(),e},o.all=function(t){return new P(t).promise()},o.cast=function(t){var e=S(t);return e instanceof o||(e=new 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t=this._bitField;this._bitField=t|(536870912&t)>>2^134217728}},o.prototype._setNoAsyncGuarantee=function(){this._bitField=-134217729&(536870912|this._bitField)},o.prototype._receiverAt=function(t){var e=0===t?this._receiver0:this[4*t-4+3];return e===p?void 0:void 0===e&&this._isBound()?this._boundValue():e},o.prototype._promiseAt=function(t){return this[4*t-4+2]},o.prototype._fulfillmentHandlerAt=function(t){return this[4*t-4+0]},o.prototype._rejectionHandlerAt=function(t){return this[4*t-4+1]},o.prototype._boundValue=function(){},o.prototype._migrateCallback0=function(t){var e=(t._bitField,t._fulfillmentHandler0),n=t._rejectionHandler0,r=t._promise0,o=t._receiverAt(0);void 0===o&&(o=p),this._addCallbacks(e,n,r,o,null)},o.prototype._migrateCallbackAt=function(t,e){var n=t._fulfillmentHandlerAt(e),r=t._rejectionHandlerAt(e),o=t._promiseAt(e),i=t._receiverAt(e);void 0===i&&(i=p),this._addCallbacks(n,r,o,i,null)},o.prototype._addCallbacks=function(t,e,n,r,o){var i=this._length();if(i>=65531&&(i=0,this._setLength(0)),0===i)this._promise0=n,this._receiver0=r,"function"==typeof t&&(this._fulfillmentHandler0=f.contextBind(o,t)),"function"==typeof e&&(this._rejectionHandler0=f.contextBind(o,e));else{var a=4*i-4;this[a+2]=n,this[a+3]=r,"function"==typeof t&&(this[a+0]=f.contextBind(o,t)),"function"==typeof e&&(this[a+1]=f.contextBind(o,e))}return this._setLength(i+1),i},o.prototype._proxy=function(t,e){this._addCallbacks(void 0,void 0,e,t,null)},o.prototype._resolveCallback=function(t,e){if(0===(117506048&this._bitField)){if(t===this)return this._rejectCallback(c(),!1);var n=S(t,this);if(!(n instanceof o))return this._fulfill(t);e&&this._propagateFrom(n,2);var r=n._target();if(r===this)return void this._reject(c());var i=r._bitField;if(0===(50397184&i)){var a=this._length();a>0&&r._migrateCallback0(this);for(var s=1;a>s;++s)r._migrateCallbackAt(this,s);this._setFollowing(),this._setLength(0),this._setFollowee(n)}else if(0!==(33554432&i))this._fulfill(r._value());else if(0!==(16777216&i))this._reject(r._reason());else{var l=new F("late cancellation observer");r._attachExtraTrace(l),this._reject(l)}}},o.prototype._rejectCallback=function(t,e,n){var r=f.ensureErrorObject(t),o=r===t;if(!o&&!n&&A.warnings()){var i="a promise was rejected with a non-error: "+f.classString(t);this._warn(i,!0)}this._attachExtraTrace(r,e?o:!1),this._reject(t)},o.prototype._resolveFromExecutor=function(t){if(t!==T){var e=this;this._captureStackTrace(),this._pushContext();var n=!0,r=this._execute(t,function(t){e._resolveCallback(t)},function(t){e._rejectCallback(t,n)});n=!1,this._popContext(),void 0!==r&&e._rejectCallback(r,!0)}},o.prototype._settlePromiseFromHandler=function(t,e,n,r){var o=r._bitField;if(0===(65536&o)){r._pushContext();var i;e===x?n&&"number"==typeof n.length?i=U(t).apply(this._boundValue(),n):(i=B,i.e=new j("cannot .spread() a non-array: "+f.classString(n))):i=U(t).call(e,n);var a=r._popContext();o=r._bitField,0===(65536&o)&&(i===R?r._reject(n):i===B?r._rejectCallback(i.e,!1):(A.checkForgottenReturns(i,a,"",r,this),r._resolveCallback(i)))}},o.prototype._target=function(){for(var t=this;t._isFollowing();)t=t._followee();return t},o.prototype._followee=function(){return this._rejectionHandler0},o.prototype._setFollowee=function(t){this._rejectionHandler0=t},o.prototype._settlePromise=function(t,e,r,i){var a=t instanceof o,s=this._bitField,c=0!==(134217728&s);0!==(65536&s)?(a&&t._invokeInternalOnCancel(),r instanceof H&&r.isFinallyHandler()?(r.cancelPromise=t,U(e).call(r,i)===B&&t._reject(B.e)):e===l?t._fulfill(l.call(r)):r instanceof n?r._promiseCancelled(t):a||t instanceof P?t._cancel():r.cancel()):"function"==typeof e?a?(c&&t._setAsyncGuaranteed(),this._settlePromiseFromHandler(e,r,i,t)):e.call(r,i,t):r instanceof n?r._isResolved()||(0!==(33554432&s)?r._promiseFulfilled(i,t):r._promiseRejected(i,t)):a&&(c&&t._setAsyncGuaranteed(),0!==(33554432&s)?t._fulfill(i):t._reject(i))},o.prototype._settlePromiseLateCancellationObserver=function(t){var e=t.handler,n=t.promise,r=t.receiver,i=t.value;"function"==typeof e?n instanceof o?this._settlePromiseFromHandler(e,r,i,n):e.call(r,i,n):n instanceof o&&n._reject(i)},o.prototype._settlePromiseCtx=function(t){this._settlePromise(t.promise,t.handler,t.receiver,t.value)},o.prototype._settlePromise0=function(t,e,n){var r=this._promise0,o=this._receiverAt(0);this._promise0=void 0,this._receiver0=void 0,this._settlePromise(r,t,o,e)},o.prototype._clearCallbackDataAtIndex=function(t){var e=4*t-4;this[e+2]=this[e+3]=this[e+0]=this[e+1]=void 0},o.prototype._fulfill=function(t){var e=this._bitField;if(!((117506048&e)>>>16)){if(t===this){var n=c();return this._attachExtraTrace(n),this._reject(n)}this._setFulfilled(),this._rejectionHandler0=t,(65535&e)>0&&(0!==(134217728&e)?this._settlePromises():k.settlePromises(this),this._dereferenceTrace())}},o.prototype._reject=function(t){var e=this._bitField;if(!((117506048&e)>>>16))return this._setRejected(),this._fulfillmentHandler0=t,this._isFinal()?k.fatalError(t,f.isNode):void((65535&e)>0?k.settlePromises(this):this._ensurePossibleRejectionHandled())},o.prototype._fulfillPromises=function(t,e){for(var n=1;t>n;n++){var r=this._fulfillmentHandlerAt(n),o=this._promiseAt(n),i=this._receiverAt(n);this._clearCallbackDataAtIndex(n),this._settlePromise(o,r,i,e)}},o.prototype._rejectPromises=function(t,e){for(var n=1;t>n;n++){var r=this._rejectionHandlerAt(n),o=this._promiseAt(n),i=this._receiverAt(n);this._clearCallbackDataAtIndex(n),this._settlePromise(o,r,i,e)}},o.prototype._settlePromises=function(){var t=this._bitField,e=65535&t;if(e>0){if(0!==(16842752&t)){var n=this._fulfillmentHandler0;this._settlePromise0(this._rejectionHandler0,n,t),this._rejectPromises(e,n)}else{var r=this._rejectionHandler0;this._settlePromise0(this._fulfillmentHandler0,r,t),this._fulfillPromises(e,r)}this._setLength(0)}this._clearCancellationData()},o.prototype._settledValue=function(){var t=this._bitField;return 0!==(33554432&t)?this._rejectionHandler0:0!==(16777216&t)?this._fulfillmentHandler0:void 0},"undefined"!=typeof Symbol&&Symbol.toStringTag&&C.defineProperty(o.prototype,Symbol.toStringTag,{get:function(){return"Object"}}),o.defer=o.pending=function(){A.deprecated("Promise.defer","new Promise");var t=new o(T);return{promise:t,resolve:i,reject:a}},f.notEnumerableProp(o,"_makeSelfResolutionError",c),t("./method")(o,T,S,u,A),t("./bind")(o,T,S,A),t("./cancel")(o,P,u,A),t("./direct_resolve")(o),t("./synchronous_inspection")(o),t("./join")(o,P,S,T,k),o.Promise=o,o.version="3.7.2",f.toFastProperties(o),f.toFastProperties(o.prototype),s({a:1}),s({b:2}),s({c:3}),s(1),s(function(){}),s(void 0),s(!1),s(new o(T)),A.setBounds(w.firstLineError,f.lastLineError),o}},{"./async":1,"./bind":2,"./cancel":4,"./catch_filter":5,"./context":6,"./debuggability":7,"./direct_resolve":8,"./errors":9,"./es5":10,"./finally":11,"./join":12,"./method":13,"./nodeback":14,"./promise_array":16,"./synchronous_inspection":19,"./thenables":20,"./util":21,async_hooks:void 0}],16:[function(t,e,n){"use strict";e.exports=function(e,n,r,o,i){function a(t){switch(t){case-2:return[];case-3:return{};case-6:return new Map}}function s(t){var r=this._promise=new e(n);t instanceof e&&(r._propagateFrom(t,3),t.suppressUnhandledRejections()),r._setOnCancel(this),this._values=t,this._length=0,this._totalResolved=0,this._init(void 0,-2)}var c=t("./util");c.isArray;return c.inherits(s,i),s.prototype.length=function(){return this._length},s.prototype.promise=function(){return this._promise},s.prototype._init=function l(t,n){var i=r(this._values,this._promise);if(i instanceof e){i=i._target();var s=i._bitField;if(this._values=i,0===(50397184&s))return this._promise._setAsyncGuaranteed(),i._then(l,this._reject,void 0,this,n);if(0===(33554432&s))return 0!==(16777216&s)?this._reject(i._reason()):this._cancel();i=i._value()}if(i=c.asArray(i),null===i){var u=o("expecting an array or an iterable object but got "+c.classString(i)).reason();return void this._promise._rejectCallback(u,!1)}return 0===i.length?void(-5===n?this._resolveEmptyArray():this._resolve(a(n))):void this._iterate(i)},s.prototype._iterate=function(t){var n=this.getActualLength(t.length);this._length=n,this._values=this.shouldCopyValues()?new Array(n):this._values;for(var o=this._promise,i=!1,a=null,s=0;n>s;++s){var c=r(t[s],o);c instanceof e?(c=c._target(),a=c._bitField):a=null,i?null!==a&&c.suppressUnhandledRejections():null!==a?0===(50397184&a)?(c._proxy(this,s),this._values[s]=c):i=0!==(33554432&a)?this._promiseFulfilled(c._value(),s):0!==(16777216&a)?this._promiseRejected(c._reason(),s):this._promiseCancelled(s):i=this._promiseFulfilled(c,s)}i||o._setAsyncGuaranteed()},s.prototype._isResolved=function(){return null===this._values},s.prototype._resolve=function(t){this._values=null,this._promise._fulfill(t)},s.prototype._cancel=function(){!this._isResolved()&&this._promise._isCancellable()&&(this._values=null,this._promise._cancel())},s.prototype._reject=function(t){this._values=null,this._promise._rejectCallback(t,!1)},s.prototype._promiseFulfilled=function(t,e){this._values[e]=t;var n=++this._totalResolved;return n>=this._length?(this._resolve(this._values),!0):!1},s.prototype._promiseCancelled=function(){return this._cancel(),!0},s.prototype._promiseRejected=function(t){return this._totalResolved++,this._reject(t),!0},s.prototype._resultCancelled=function(){if(!this._isResolved()){var t=this._values;if(this._cancel(),t instanceof e)t.cancel();else for(var n=0;n<t.length;++n)t[n]instanceof e&&t[n].cancel()}},s.prototype.shouldCopyValues=function(){return!0},s.prototype.getActualLength=function(t){return t},s}},{"./util":21}],17:[function(t,e,n){"use strict";function r(t,e,n,r,o){for(var i=0;o>i;++i)n[i+r]=t[i+e],t[i+e]=void 0}function o(t){this._capacity=t,this._length=0,this._front=0}o.prototype._willBeOverCapacity=function(t){return this._capacity<t},o.prototype._pushOne=function(t){var e=this.length();this._checkCapacity(e+1);var n=this._front+e&this._capacity-1;this[n]=t,this._length=e+1},o.prototype.push=function(t,e,n){var r=this.length()+3;if(this._willBeOverCapacity(r))return this._pushOne(t),this._pushOne(e),void this._pushOne(n);var o=this._front+r-3;this._checkCapacity(r);var i=this._capacity-1;this[o+0&i]=t,this[o+1&i]=e,this[o+2&i]=n,this._length=r},o.prototype.shift=function(){var t=this._front,e=this[t];return this[t]=void 0,this._front=t+1&this._capacity-1,this._length--,e},o.prototype.length=function(){return this._length},o.prototype._checkCapacity=function(t){this._capacity<t&&this._resizeTo(this._capacity<<1)},o.prototype._resizeTo=function(t){var e=this._capacity;this._capacity=t;var n=this._front,o=this._length,i=n+o&e-1;r(this,0,this,e,i)},e.exports=o},{}],18:[function(t,e,n){"use strict";var r,o=t("./util"),i=function(){throw new Error("No async scheduler available\n\n    See http://goo.gl/MqrFmX\n")},a=o.getNativePromise();if(o.isNode&&"undefined"==typeof MutationObserver){var s=global.setImmediate,c=process.nextTick;r=o.isRecentNode?function(t){s.call(global,t)}:function(t){c.call(process,t)}}else if("function"==typeof a&&"function"==typeof a.resolve){var l=a.resolve();r=function(t){l.then(t)}}else r="undefined"!=typeof MutationObserver&&("undefined"==typeof window||!window.navigator||!window.navigator.standalone&&!window.cordova)&&"classList"in document.documentElement?function(){var t=document.createElement("div"),e={attributes:!0},n=!1,r=document.createElement("div"),o=new MutationObserver(function(){t.classList.toggle("foo"),n=!1});o.observe(r,e);var i=function(){n||(n=!0,r.classList.toggle("foo"))};return function(n){var r=new MutationObserver(function(){r.disconnect(),n()});r.observe(t,e),i()}}():"undefined"!=typeof setImmediate?function(t){setImmediate(t)}:"undefined"!=typeof setTimeout?function(t){setTimeout(t,0)}:i;e.exports=r},{"./util":21}],19:[function(t,e,n){"use strict";e.exports=function(t){function e(t){void 0!==t?(t=t._target(),this._bitField=t._bitField,this._settledValueField=t._isFateSealed()?t._settledValue():void 0):(this._bitField=0,this._settledValueField=void 0)}e.prototype._settledValue=function(){return this._settledValueField};var n=e.prototype.value=function(){if(!this.isFulfilled())throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\n\n    See http://goo.gl/MqrFmX\n");return this._settledValue()},r=e.prototype.error=e.prototype.reason=function(){if(!this.isRejected())throw new TypeError("cannot get rejection reason of a non-rejected promise\n\n    See http://goo.gl/MqrFmX\n");return this._settledValue()},o=e.prototype.isFulfilled=function(){return 0!==(33554432&this._bitField)},i=e.prototype.isRejected=function(){return 0!==(16777216&this._bitField)},a=e.prototype.isPending=function(){return 0===(50397184&this._bitField)},s=e.prototype.isResolved=function(){return 0!==(50331648&this._bitField)};e.prototype.isCancelled=function(){return 0!==(8454144&this._bitField)},t.prototype.__isCancelled=function(){return 65536===(65536&this._bitField)},t.prototype._isCancelled=function(){return this._target().__isCancelled()},t.prototype.isCancelled=function(){return 0!==(8454144&this._target()._bitField)},t.prototype.isPending=function(){return a.call(this._target())},t.prototype.isRejected=function(){return i.call(this._target())},t.prototype.isFulfilled=function(){return o.call(this._target())},t.prototype.isResolved=function(){return s.call(this._target())},t.prototype.value=function(){return n.call(this._target())},t.prototype.reason=function(){var t=this._target();return t._unsetRejectionIsUnhandled(),r.call(t)},t.prototype._value=function(){return this._settledValue()},t.prototype._reason=function(){return this._unsetRejectionIsUnhandled(),this._settledValue()},t.PromiseInspection=e}},{}],20:[function(t,e,n){"use strict";e.exports=function(e,n){function r(t,r){if(u(t)){if(t instanceof e)return t;var o=i(t);if(o===l){r&&r._pushContext();var c=e.reject(o.e);return r&&r._popContext(),c}if("function"==typeof o){if(a(t)){var c=new e(n);return t._then(c._fulfill,c._reject,void 0,c,null),c}return s(t,o,r)}}return t}function o(t){return t.then}function i(t){try{return o(t)}catch(e){return l.e=e,l}}function a(t){try{return p.call(t,"_promise0")}catch(e){return!1}}function s(t,r,o){function i(t){s&&(s._resolveCallback(t),s=null)}function a(t){s&&(s._rejectCallback(t,p,!0),s=null)}var s=new e(n),u=s;o&&o._pushContext(),s._captureStackTrace(),o&&o._popContext();var p=!0,f=c.tryCatch(r).call(t,i,a);return p=!1,s&&f===l&&(s._rejectCallback(f.e,!0,!0),s=null),u}var c=t("./util"),l=c.errorObj,u=c.isObject,p={}.hasOwnProperty;return r}},{"./util":21}],21:[function(t,e,n){"use strict";function r(){try{var t=R;return R=null,t.apply(this,arguments)}catch(e){return x.e=e,x}}function o(t){return R=t,r}function i(t){return null==t||t===!0||t===!1||"string"==typeof t||"number"==typeof t}function a(t){return"function"==typeof t||"object"==typeof t&&null!==t}function s(t){return i(t)?new Error(v(t)):t}function c(t,e){var n,r=t.length,o=new Array(r+1);for(n=0;r>n;++n)o[n]=t[n];return o[n]=e,o}function l(t,e,n){if(!F.isES5)return{}.hasOwnProperty.call(t,e)?t[e]:void 0;var r=Object.getOwnPropertyDescriptor(t,e);return null!=r?null==r.get&&null==r.set?r.value:n:void 0}function u(t,e,n){if(i(t))return t;var r={value:n,configurable:!0,enumerable:!1,writable:!0};return F.defineProperty(t,e,r),t}function p(t){throw t}function f(t){try{if("function"==typeof t){var e=F.names(t.prototype),n=F.isES5&&e.length>1,r=e.length>0&&!(1===e.length&&"constructor"===e[0]),o=A.test(t+"")&&F.names(t).length>0;if(n||r||o)return!0}return!1}catch(i){return!1}}function h(t){function e(){}function n(){return typeof r.foo}e.prototype=t;var r=new e;return n(),n(),t}function d(t){return H.test(t)}function _(t,e,n){for(var r=new Array(t),o=0;t>o;++o)r[o]=e+o+n;return r}function v(t){try{return t+""}catch(e){return"[no string representation]"}}function y(t){return t instanceof Error||null!==t&&"object"==typeof t&&"string"==typeof t.message&&"string"==typeof t.name}function g(t){try{u(t,"isOperational",!0)}catch(e){}}function m(t){return null==t?!1:t instanceof Error.__BluebirdErrorTypes__.OperationalError||t.isOperational===!0}function b(t){return y(t)&&F.propertyIsWritable(t,"stack")}function C(t){return{}.toString.call(t)}function w(t,e,n){for(var r=F.names(t),o=0;o<r.length;++o){var i=r[o];if(n(i))try{F.defineProperty(e,i,F.getDescriptor(t,i))}catch(a){}}}function k(t){return I?process.env[t]:void 0}function E(){if("function"==typeof Promise)try{var t=new Promise(function(){});if("[object Promise]"===C(t))return Promise}catch(e){}}function j(t,e){if(null===t||"function"!=typeof e||e===D)return e;null!==t.domain&&(e=t.domain.bind(e));var n=t.async;if(null!==n){var r=e;e=function(){var t=new Array(2).concat([].slice.call(arguments));return t[0]=r,t[1]=this,n.runInAsyncScope.apply(n,t)}}return e}var F=t("./es5"),T="undefined"==typeof navigator,x={e:{}},R,S="undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:void 0!==this?this:null,P=function(t,e){function n(){this.constructor=t,this.constructor$=e;for(var n in e.prototype)r.call(e.prototype,n)&&"$"!==n.charAt(n.length-1)&&(this[n+"$"]=e.prototype[n])}var r={}.hasOwnProperty;return n.prototype=e.prototype,t.prototype=new n,t.prototype},O=function(){var t=[Array.prototype,Object.prototype,Function.prototype],e=function(e){for(var n=0;n<t.length;++n)if(t[n]===e)return!0;return!1};if(F.isES5){var n=Object.getOwnPropertyNames;return function(t){for(var r=[],o=Object.create(null);null!=t&&!e(t);){var i;try{i=n(t)}catch(a){return r}for(var s=0;s<i.length;++s){var c=i[s];if(!o[c]){o[c]=!0;var l=Object.getOwnPropertyDescriptor(t,c);null!=l&&null==l.get&&null==l.set&&r.push(c)}}t=F.getPrototypeOf(t)}return r}}var r={}.hasOwnProperty;return function(n){if(e(n))return[];var o=[];t:for(var i in n)if(r.call(n,i))o.push(i);else{for(var a=0;a<t.length;++a)if(r.call(t[a],i))continue t;o.push(i)}return o}}(),A=/this\s*\.\s*\S+\s*=/,H=/^[a-z$_][a-z$_0-9]*$/i,N=function(){return"stack"in new Error?function(t){return b(t)?t:new Error(v(t))}:function(t){if(b(t))return t;try{throw new Error(v(t))}catch(e){return e}}}(),L=function(t){return F.isArray(t)?t:null};if("undefined"!=typeof Symbol&&Symbol.iterator){var B="function"==typeof Array.from?function(t){return Array.from(t)}:function(t){for(var e,n=[],r=t[Symbol.iterator]();!(e=r.next()).done;)n.push(e.value);return n};L=function(t){return F.isArray(t)?t:null!=t&&"function"==typeof t[Symbol.iterator]?B(t):null}}var U="undefined"!=typeof process&&"[object process]"===C(process).toLowerCase(),I="undefined"!=typeof process&&"undefined"!=typeof process.env,D,V={setReflectHandler:function(t){D=t},isClass:f,isIdentifier:d,inheritedDataKeys:O,getDataPropertyOrDefault:l,thrower:p,isArray:F.isArray,asArray:L,notEnumerableProp:u,isPrimitive:i,isObject:a,isError:y,canEvaluate:T,errorObj:x,tryCatch:o,inherits:P,withAppended:c,maybeWrapAsError:s,toFastProperties:h,filledRange:_,toString:v,canAttachTrace:b,ensureErrorObject:N,originatesFromRejection:m,markAsOriginatingFromRejection:g,classString:C,copyDescriptors:w,isNode:U,hasEnvVariables:I,env:k,global:S,getNativePromise:E,contextBind:j};V.isRecentNode=V.isNode&&function(){var t;return process.versions&&process.versions.node?t=process.versions.node.split(".").map(Number):process.version&&(t=process.version.split(".").map(Number)),0===t[0]&&t[1]>10||t[0]>0}(),V.nodeSupportsAsyncResource=V.isNode&&function(){var e=!1;try{var n=t("async_hooks").AsyncResource;e="function"==typeof n.prototype.runInAsyncScope}catch(r){e=!1}return e}(),V.isNode&&V.toFastProperties(process);try{throw new Error}catch(Q){V.lastLineError=Q}e.exports=V},{"./es5":10,async_hooks:void 0}]},{},[3])(3)}),"undefined"!=typeof window&&null!==window?window.P=window.Promise:"undefined"!=typeof self&&null!==self&&(self.P=self.Promise);
\ No newline at end of file
diff --git a/node_modules/bluebird/js/browser/bluebird.js b/node_modules/bluebird/js/browser/bluebird.js
new file mode 100644
index 00000000..7f0686f4
--- /dev/null
+++ b/node_modules/bluebird/js/browser/bluebird.js
@@ -0,0 +1,5778 @@
+/* @preserve
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2013-2018 Petka Antonov
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ */
+/**
+ * bluebird build version 3.7.2
+ * Features enabled: core, race, call_get, generators, map, nodeify, promisify, props, reduce, settle, some, using, timers, filter, any, each
+*/
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.Promise=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof _dereq_=="function"&&_dereq_;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof _dereq_=="function"&&_dereq_;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+var SomePromiseArray = Promise._SomePromiseArray;
+function any(promises) {
+    var ret = new SomePromiseArray(promises);
+    var promise = ret.promise();
+    ret.setHowMany(1);
+    ret.setUnwrap();
+    ret.init();
+    return promise;
+}
+
+Promise.any = function (promises) {
+    return any(promises);
+};
+
+Promise.prototype.any = function () {
+    return any(this);
+};
+
+};
+
+},{}],2:[function(_dereq_,module,exports){
+"use strict";
+var firstLineError;
+try {throw new Error(); } catch (e) {firstLineError = e;}
+var schedule = _dereq_("./schedule");
+var Queue = _dereq_("./queue");
+
+function Async() {
+    this._customScheduler = false;
+    this._isTickUsed = false;
+    this._lateQueue = new Queue(16);
+    this._normalQueue = new Queue(16);
+    this._haveDrainedQueues = false;
+    var self = this;
+    this.drainQueues = function () {
+        self._drainQueues();
+    };
+    this._schedule = schedule;
+}
+
+Async.prototype.setScheduler = function(fn) {
+    var prev = this._schedule;
+    this._schedule = fn;
+    this._customScheduler = true;
+    return prev;
+};
+
+Async.prototype.hasCustomScheduler = function() {
+    return this._customScheduler;
+};
+
+Async.prototype.haveItemsQueued = function () {
+    return this._isTickUsed || this._haveDrainedQueues;
+};
+
+
+Async.prototype.fatalError = function(e, isNode) {
+    if (isNode) {
+        process.stderr.write("Fatal " + (e instanceof Error ? e.stack : e) +
+            "\n");
+        process.exit(2);
+    } else {
+        this.throwLater(e);
+    }
+};
+
+Async.prototype.throwLater = function(fn, arg) {
+    if (arguments.length === 1) {
+        arg = fn;
+        fn = function () { throw arg; };
+    }
+    if (typeof setTimeout !== "undefined") {
+        setTimeout(function() {
+            fn(arg);
+        }, 0);
+    } else try {
+        this._schedule(function() {
+            fn(arg);
+        });
+    } catch (e) {
+        throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+};
+
+function AsyncInvokeLater(fn, receiver, arg) {
+    this._lateQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncInvoke(fn, receiver, arg) {
+    this._normalQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncSettlePromises(promise) {
+    this._normalQueue._pushOne(promise);
+    this._queueTick();
+}
+
+Async.prototype.invokeLater = AsyncInvokeLater;
+Async.prototype.invoke = AsyncInvoke;
+Async.prototype.settlePromises = AsyncSettlePromises;
+
+
+function _drainQueue(queue) {
+    while (queue.length() > 0) {
+        _drainQueueStep(queue);
+    }
+}
+
+function _drainQueueStep(queue) {
+    var fn = queue.shift();
+    if (typeof fn !== "function") {
+        fn._settlePromises();
+    } else {
+        var receiver = queue.shift();
+        var arg = queue.shift();
+        fn.call(receiver, arg);
+    }
+}
+
+Async.prototype._drainQueues = function () {
+    _drainQueue(this._normalQueue);
+    this._reset();
+    this._haveDrainedQueues = true;
+    _drainQueue(this._lateQueue);
+};
+
+Async.prototype._queueTick = function () {
+    if (!this._isTickUsed) {
+        this._isTickUsed = true;
+        this._schedule(this.drainQueues);
+    }
+};
+
+Async.prototype._reset = function () {
+    this._isTickUsed = false;
+};
+
+module.exports = Async;
+module.exports.firstLineError = firstLineError;
+
+},{"./queue":26,"./schedule":29}],3:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise, debug) {
+var calledBind = false;
+var rejectThis = function(_, e) {
+    this._reject(e);
+};
+
+var targetRejected = function(e, context) {
+    context.promiseRejectionQueued = true;
+    context.bindingPromise._then(rejectThis, rejectThis, null, this, e);
+};
+
+var bindingResolved = function(thisArg, context) {
+    if (((this._bitField & 50397184) === 0)) {
+        this._resolveCallback(context.target);
+    }
+};
+
+var bindingRejected = function(e, context) {
+    if (!context.promiseRejectionQueued) this._reject(e);
+};
+
+Promise.prototype.bind = function (thisArg) {
+    if (!calledBind) {
+        calledBind = true;
+        Promise.prototype._propagateFrom = debug.propagateFromFunction();
+        Promise.prototype._boundValue = debug.boundValueFunction();
+    }
+    var maybePromise = tryConvertToPromise(thisArg);
+    var ret = new Promise(INTERNAL);
+    ret._propagateFrom(this, 1);
+    var target = this._target();
+    ret._setBoundTo(maybePromise);
+    if (maybePromise instanceof Promise) {
+        var context = {
+            promiseRejectionQueued: false,
+            promise: ret,
+            target: target,
+            bindingPromise: maybePromise
+        };
+        target._then(INTERNAL, targetRejected, undefined, ret, context);
+        maybePromise._then(
+            bindingResolved, bindingRejected, undefined, ret, context);
+        ret._setOnCancel(maybePromise);
+    } else {
+        ret._resolveCallback(target);
+    }
+    return ret;
+};
+
+Promise.prototype._setBoundTo = function (obj) {
+    if (obj !== undefined) {
+        this._bitField = this._bitField | 2097152;
+        this._boundTo = obj;
+    } else {
+        this._bitField = this._bitField & (~2097152);
+    }
+};
+
+Promise.prototype._isBound = function () {
+    return (this._bitField & 2097152) === 2097152;
+};
+
+Promise.bind = function (thisArg, value) {
+    return Promise.resolve(value).bind(thisArg);
+};
+};
+
+},{}],4:[function(_dereq_,module,exports){
+"use strict";
+var old;
+if (typeof Promise !== "undefined") old = Promise;
+function noConflict() {
+    try { if (Promise === bluebird) Promise = old; }
+    catch (e) {}
+    return bluebird;
+}
+var bluebird = _dereq_("./promise")();
+bluebird.noConflict = noConflict;
+module.exports = bluebird;
+
+},{"./promise":22}],5:[function(_dereq_,module,exports){
+"use strict";
+var cr = Object.create;
+if (cr) {
+    var callerCache = cr(null);
+    var getterCache = cr(null);
+    callerCache[" size"] = getterCache[" size"] = 0;
+}
+
+module.exports = function(Promise) {
+var util = _dereq_("./util");
+var canEvaluate = util.canEvaluate;
+var isIdentifier = util.isIdentifier;
+
+var getMethodCaller;
+var getGetter;
+if (!true) {
+var makeMethodCaller = function (methodName) {
+    return new Function("ensureMethod", "                                    \n\
+        return function(obj) {                                               \n\
+            'use strict'                                                     \n\
+            var len = this.length;                                           \n\
+            ensureMethod(obj, 'methodName');                                 \n\
+            switch(len) {                                                    \n\
+                case 1: return obj.methodName(this[0]);                      \n\
+                case 2: return obj.methodName(this[0], this[1]);             \n\
+                case 3: return obj.methodName(this[0], this[1], this[2]);    \n\
+                case 0: return obj.methodName();                             \n\
+                default:                                                     \n\
+                    return obj.methodName.apply(obj, this);                  \n\
+            }                                                                \n\
+        };                                                                   \n\
+        ".replace(/methodName/g, methodName))(ensureMethod);
+};
+
+var makeGetter = function (propertyName) {
+    return new Function("obj", "                                             \n\
+        'use strict';                                                        \n\
+        return obj.propertyName;                                             \n\
+        ".replace("propertyName", propertyName));
+};
+
+var getCompiled = function(name, compiler, cache) {
+    var ret = cache[name];
+    if (typeof ret !== "function") {
+        if (!isIdentifier(name)) {
+            return null;
+        }
+        ret = compiler(name);
+        cache[name] = ret;
+        cache[" size"]++;
+        if (cache[" size"] > 512) {
+            var keys = Object.keys(cache);
+            for (var i = 0; i < 256; ++i) delete cache[keys[i]];
+            cache[" size"] = keys.length - 256;
+        }
+    }
+    return ret;
+};
+
+getMethodCaller = function(name) {
+    return getCompiled(name, makeMethodCaller, callerCache);
+};
+
+getGetter = function(name) {
+    return getCompiled(name, makeGetter, getterCache);
+};
+}
+
+function ensureMethod(obj, methodName) {
+    var fn;
+    if (obj != null) fn = obj[methodName];
+    if (typeof fn !== "function") {
+        var message = "Object " + util.classString(obj) + " has no method '" +
+            util.toString(methodName) + "'";
+        throw new Promise.TypeError(message);
+    }
+    return fn;
+}
+
+function caller(obj) {
+    var methodName = this.pop();
+    var fn = ensureMethod(obj, methodName);
+    return fn.apply(obj, this);
+}
+Promise.prototype.call = function (methodName) {
+    var args = [].slice.call(arguments, 1);;
+    if (!true) {
+        if (canEvaluate) {
+            var maybeCaller = getMethodCaller(methodName);
+            if (maybeCaller !== null) {
+                return this._then(
+                    maybeCaller, undefined, undefined, args, undefined);
+            }
+        }
+    }
+    args.push(methodName);
+    return this._then(caller, undefined, undefined, args, undefined);
+};
+
+function namedGetter(obj) {
+    return obj[this];
+}
+function indexedGetter(obj) {
+    var index = +this;
+    if (index < 0) index = Math.max(0, index + obj.length);
+    return obj[index];
+}
+Promise.prototype.get = function (propertyName) {
+    var isIndex = (typeof propertyName === "number");
+    var getter;
+    if (!isIndex) {
+        if (canEvaluate) {
+            var maybeGetter = getGetter(propertyName);
+            getter = maybeGetter !== null ? maybeGetter : namedGetter;
+        } else {
+            getter = namedGetter;
+        }
+    } else {
+        getter = indexedGetter;
+    }
+    return this._then(getter, undefined, undefined, propertyName, undefined);
+};
+};
+
+},{"./util":36}],6:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, PromiseArray, apiRejection, debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var async = Promise._async;
+
+Promise.prototype["break"] = Promise.prototype.cancel = function() {
+    if (!debug.cancellation()) return this._warn("cancellation is disabled");
+
+    var promise = this;
+    var child = promise;
+    while (promise._isCancellable()) {
+        if (!promise._cancelBy(child)) {
+            if (child._isFollowing()) {
+                child._followee().cancel();
+            } else {
+                child._cancelBranched();
+            }
+            break;
+        }
+
+        var parent = promise._cancellationParent;
+        if (parent == null || !parent._isCancellable()) {
+            if (promise._isFollowing()) {
+                promise._followee().cancel();
+            } else {
+                promise._cancelBranched();
+            }
+            break;
+        } else {
+            if (promise._isFollowing()) promise._followee().cancel();
+            promise._setWillBeCancelled();
+            child = promise;
+            promise = parent;
+        }
+    }
+};
+
+Promise.prototype._branchHasCancelled = function() {
+    this._branchesRemainingToCancel--;
+};
+
+Promise.prototype._enoughBranchesHaveCancelled = function() {
+    return this._branchesRemainingToCancel === undefined ||
+           this._branchesRemainingToCancel <= 0;
+};
+
+Promise.prototype._cancelBy = function(canceller) {
+    if (canceller === this) {
+        this._branchesRemainingToCancel = 0;
+        this._invokeOnCancel();
+        return true;
+    } else {
+        this._branchHasCancelled();
+        if (this._enoughBranchesHaveCancelled()) {
+            this._invokeOnCancel();
+            return true;
+        }
+    }
+    return false;
+};
+
+Promise.prototype._cancelBranched = function() {
+    if (this._enoughBranchesHaveCancelled()) {
+        this._cancel();
+    }
+};
+
+Promise.prototype._cancel = function() {
+    if (!this._isCancellable()) return;
+    this._setCancelled();
+    async.invoke(this._cancelPromises, this, undefined);
+};
+
+Promise.prototype._cancelPromises = function() {
+    if (this._length() > 0) this._settlePromises();
+};
+
+Promise.prototype._unsetOnCancel = function() {
+    this._onCancelField = undefined;
+};
+
+Promise.prototype._isCancellable = function() {
+    return this.isPending() && !this._isCancelled();
+};
+
+Promise.prototype.isCancellable = function() {
+    return this.isPending() && !this.isCancelled();
+};
+
+Promise.prototype._doInvokeOnCancel = function(onCancelCallback, internalOnly) {
+    if (util.isArray(onCancelCallback)) {
+        for (var i = 0; i < onCancelCallback.length; ++i) {
+            this._doInvokeOnCancel(onCancelCallback[i], internalOnly);
+        }
+    } else if (onCancelCallback !== undefined) {
+        if (typeof onCancelCallback === "function") {
+            if (!internalOnly) {
+                var e = tryCatch(onCancelCallback).call(this._boundValue());
+                if (e === errorObj) {
+                    this._attachExtraTrace(e.e);
+                    async.throwLater(e.e);
+                }
+            }
+        } else {
+            onCancelCallback._resultCancelled(this);
+        }
+    }
+};
+
+Promise.prototype._invokeOnCancel = function() {
+    var onCancelCallback = this._onCancel();
+    this._unsetOnCancel();
+    async.invoke(this._doInvokeOnCancel, this, onCancelCallback);
+};
+
+Promise.prototype._invokeInternalOnCancel = function() {
+    if (this._isCancellable()) {
+        this._doInvokeOnCancel(this._onCancel(), true);
+        this._unsetOnCancel();
+    }
+};
+
+Promise.prototype._resultCancelled = function() {
+    this.cancel();
+};
+
+};
+
+},{"./util":36}],7:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(NEXT_FILTER) {
+var util = _dereq_("./util");
+var getKeys = _dereq_("./es5").keys;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+
+function catchFilter(instances, cb, promise) {
+    return function(e) {
+        var boundTo = promise._boundValue();
+        predicateLoop: for (var i = 0; i < instances.length; ++i) {
+            var item = instances[i];
+
+            if (item === Error ||
+                (item != null && item.prototype instanceof Error)) {
+                if (e instanceof item) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (typeof item === "function") {
+                var matchesPredicate = tryCatch(item).call(boundTo, e);
+                if (matchesPredicate === errorObj) {
+                    return matchesPredicate;
+                } else if (matchesPredicate) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (util.isObject(e)) {
+                var keys = getKeys(item);
+                for (var j = 0; j < keys.length; ++j) {
+                    var key = keys[j];
+                    if (item[key] != e[key]) {
+                        continue predicateLoop;
+                    }
+                }
+                return tryCatch(cb).call(boundTo, e);
+            }
+        }
+        return NEXT_FILTER;
+    };
+}
+
+return catchFilter;
+};
+
+},{"./es5":13,"./util":36}],8:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+var longStackTraces = false;
+var contextStack = [];
+
+Promise.prototype._promiseCreated = function() {};
+Promise.prototype._pushContext = function() {};
+Promise.prototype._popContext = function() {return null;};
+Promise._peekContext = Promise.prototype._peekContext = function() {};
+
+function Context() {
+    this._trace = new Context.CapturedTrace(peekContext());
+}
+Context.prototype._pushContext = function () {
+    if (this._trace !== undefined) {
+        this._trace._promiseCreated = null;
+        contextStack.push(this._trace);
+    }
+};
+
+Context.prototype._popContext = function () {
+    if (this._trace !== undefined) {
+        var trace = contextStack.pop();
+        var ret = trace._promiseCreated;
+        trace._promiseCreated = null;
+        return ret;
+    }
+    return null;
+};
+
+function createContext() {
+    if (longStackTraces) return new Context();
+}
+
+function peekContext() {
+    var lastIndex = contextStack.length - 1;
+    if (lastIndex >= 0) {
+        return contextStack[lastIndex];
+    }
+    return undefined;
+}
+Context.CapturedTrace = null;
+Context.create = createContext;
+Context.deactivateLongStackTraces = function() {};
+Context.activateLongStackTraces = function() {
+    var Promise_pushContext = Promise.prototype._pushContext;
+    var Promise_popContext = Promise.prototype._popContext;
+    var Promise_PeekContext = Promise._peekContext;
+    var Promise_peekContext = Promise.prototype._peekContext;
+    var Promise_promiseCreated = Promise.prototype._promiseCreated;
+    Context.deactivateLongStackTraces = function() {
+        Promise.prototype._pushContext = Promise_pushContext;
+        Promise.prototype._popContext = Promise_popContext;
+        Promise._peekContext = Promise_PeekContext;
+        Promise.prototype._peekContext = Promise_peekContext;
+        Promise.prototype._promiseCreated = Promise_promiseCreated;
+        longStackTraces = false;
+    };
+    longStackTraces = true;
+    Promise.prototype._pushContext = Context.prototype._pushContext;
+    Promise.prototype._popContext = Context.prototype._popContext;
+    Promise._peekContext = Promise.prototype._peekContext = peekContext;
+    Promise.prototype._promiseCreated = function() {
+        var ctx = this._peekContext();
+        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
+    };
+};
+return Context;
+};
+
+},{}],9:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks) {
+var async = Promise._async;
+var Warning = _dereq_("./errors").Warning;
+var util = _dereq_("./util");
+var es5 = _dereq_("./es5");
+var canAttachTrace = util.canAttachTrace;
+var unhandledRejectionHandled;
+var possiblyUnhandledRejection;
+var bluebirdFramePattern =
+    /[\\\/]bluebird[\\\/]js[\\\/](release|debug|instrumented)/;
+var nodeFramePattern = /\((?:timers\.js):\d+:\d+\)/;
+var parseLinePattern = /[\/<\(](.+?):(\d+):(\d+)\)?\s*$/;
+var stackFramePattern = null;
+var formatStack = null;
+var indentStackFrames = false;
+var printWarning;
+var debugging = !!(util.env("BLUEBIRD_DEBUG") != 0 &&
+                        (true ||
+                         util.env("BLUEBIRD_DEBUG") ||
+                         util.env("NODE_ENV") === "development"));
+
+var warnings = !!(util.env("BLUEBIRD_WARNINGS") != 0 &&
+    (debugging || util.env("BLUEBIRD_WARNINGS")));
+
+var longStackTraces = !!(util.env("BLUEBIRD_LONG_STACK_TRACES") != 0 &&
+    (debugging || util.env("BLUEBIRD_LONG_STACK_TRACES")));
+
+var wForgottenReturn = util.env("BLUEBIRD_W_FORGOTTEN_RETURN") != 0 &&
+    (warnings || !!util.env("BLUEBIRD_W_FORGOTTEN_RETURN"));
+
+var deferUnhandledRejectionCheck;
+(function() {
+    var promises = [];
+
+    function unhandledRejectionCheck() {
+        for (var i = 0; i < promises.length; ++i) {
+            promises[i]._notifyUnhandledRejection();
+        }
+        unhandledRejectionClear();
+    }
+
+    function unhandledRejectionClear() {
+        promises.length = 0;
+    }
+
+    deferUnhandledRejectionCheck = function(promise) {
+        promises.push(promise);
+        setTimeout(unhandledRejectionCheck, 1);
+    };
+
+    es5.defineProperty(Promise, "_unhandledRejectionCheck", {
+        value: unhandledRejectionCheck
+    });
+    es5.defineProperty(Promise, "_unhandledRejectionClear", {
+        value: unhandledRejectionClear
+    });
+})();
+
+Promise.prototype.suppressUnhandledRejections = function() {
+    var target = this._target();
+    target._bitField = ((target._bitField & (~1048576)) |
+                      524288);
+};
+
+Promise.prototype._ensurePossibleRejectionHandled = function () {
+    if ((this._bitField & 524288) !== 0) return;
+    this._setRejectionIsUnhandled();
+    deferUnhandledRejectionCheck(this);
+};
+
+Promise.prototype._notifyUnhandledRejectionIsHandled = function () {
+    fireRejectionEvent("rejectionHandled",
+                                  unhandledRejectionHandled, undefined, this);
+};
+
+Promise.prototype._setReturnedNonUndefined = function() {
+    this._bitField = this._bitField | 268435456;
+};
+
+Promise.prototype._returnedNonUndefined = function() {
+    return (this._bitField & 268435456) !== 0;
+};
+
+Promise.prototype._notifyUnhandledRejection = function () {
+    if (this._isRejectionUnhandled()) {
+        var reason = this._settledValue();
+        this._setUnhandledRejectionIsNotified();
+        fireRejectionEvent("unhandledRejection",
+                                      possiblyUnhandledRejection, reason, this);
+    }
+};
+
+Promise.prototype._setUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField | 262144;
+};
+
+Promise.prototype._unsetUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField & (~262144);
+};
+
+Promise.prototype._isUnhandledRejectionNotified = function () {
+    return (this._bitField & 262144) > 0;
+};
+
+Promise.prototype._setRejectionIsUnhandled = function () {
+    this._bitField = this._bitField | 1048576;
+};
+
+Promise.prototype._unsetRejectionIsUnhandled = function () {
+    this._bitField = this._bitField & (~1048576);
+    if (this._isUnhandledRejectionNotified()) {
+        this._unsetUnhandledRejectionIsNotified();
+        this._notifyUnhandledRejectionIsHandled();
+    }
+};
+
+Promise.prototype._isRejectionUnhandled = function () {
+    return (this._bitField & 1048576) > 0;
+};
+
+Promise.prototype._warn = function(message, shouldUseOwnTrace, promise) {
+    return warn(message, shouldUseOwnTrace, promise || this);
+};
+
+Promise.onPossiblyUnhandledRejection = function (fn) {
+    var context = Promise._getContext();
+    possiblyUnhandledRejection = util.contextBind(context, fn);
+};
+
+Promise.onUnhandledRejectionHandled = function (fn) {
+    var context = Promise._getContext();
+    unhandledRejectionHandled = util.contextBind(context, fn);
+};
+
+var disableLongStackTraces = function() {};
+Promise.longStackTraces = function () {
+    if (async.haveItemsQueued() && !config.longStackTraces) {
+        throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (!config.longStackTraces && longStackTracesIsSupported()) {
+        var Promise_captureStackTrace = Promise.prototype._captureStackTrace;
+        var Promise_attachExtraTrace = Promise.prototype._attachExtraTrace;
+        var Promise_dereferenceTrace = Promise.prototype._dereferenceTrace;
+        config.longStackTraces = true;
+        disableLongStackTraces = function() {
+            if (async.haveItemsQueued() && !config.longStackTraces) {
+                throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+            }
+            Promise.prototype._captureStackTrace = Promise_captureStackTrace;
+            Promise.prototype._attachExtraTrace = Promise_attachExtraTrace;
+            Promise.prototype._dereferenceTrace = Promise_dereferenceTrace;
+            Context.deactivateLongStackTraces();
+            config.longStackTraces = false;
+        };
+        Promise.prototype._captureStackTrace = longStackTracesCaptureStackTrace;
+        Promise.prototype._attachExtraTrace = longStackTracesAttachExtraTrace;
+        Promise.prototype._dereferenceTrace = longStackTracesDereferenceTrace;
+        Context.activateLongStackTraces();
+    }
+};
+
+Promise.hasLongStackTraces = function () {
+    return config.longStackTraces && longStackTracesIsSupported();
+};
+
+
+var legacyHandlers = {
+    unhandledrejection: {
+        before: function() {
+            var ret = util.global.onunhandledrejection;
+            util.global.onunhandledrejection = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onunhandledrejection = fn;
+        }
+    },
+    rejectionhandled: {
+        before: function() {
+            var ret = util.global.onrejectionhandled;
+            util.global.onrejectionhandled = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onrejectionhandled = fn;
+        }
+    }
+};
+
+var fireDomEvent = (function() {
+    var dispatch = function(legacy, e) {
+        if (legacy) {
+            var fn;
+            try {
+                fn = legacy.before();
+                return !util.global.dispatchEvent(e);
+            } finally {
+                legacy.after(fn);
+            }
+        } else {
+            return !util.global.dispatchEvent(e);
+        }
+    };
+    try {
+        if (typeof CustomEvent === "function") {
+            var event = new CustomEvent("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var eventData = {
+                    detail: event,
+                    cancelable: true
+                };
+                var domEvent = new CustomEvent(name, eventData);
+                es5.defineProperty(
+                    domEvent, "promise", {value: event.promise});
+                es5.defineProperty(
+                    domEvent, "reason", {value: event.reason});
+
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else if (typeof Event === "function") {
+            var event = new Event("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = new Event(name, {
+                    cancelable: true
+                });
+                domEvent.detail = event;
+                es5.defineProperty(domEvent, "promise", {value: event.promise});
+                es5.defineProperty(domEvent, "reason", {value: event.reason});
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else {
+            var event = document.createEvent("CustomEvent");
+            event.initCustomEvent("testingtheevent", false, true, {});
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = document.createEvent("CustomEvent");
+                domEvent.initCustomEvent(name, false, true,
+                    event);
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        }
+    } catch (e) {}
+    return function() {
+        return false;
+    };
+})();
+
+var fireGlobalEvent = (function() {
+    if (util.isNode) {
+        return function() {
+            return process.emit.apply(process, arguments);
+        };
+    } else {
+        if (!util.global) {
+            return function() {
+                return false;
+            };
+        }
+        return function(name) {
+            var methodName = "on" + name.toLowerCase();
+            var method = util.global[methodName];
+            if (!method) return false;
+            method.apply(util.global, [].slice.call(arguments, 1));
+            return true;
+        };
+    }
+})();
+
+function generatePromiseLifecycleEventObject(name, promise) {
+    return {promise: promise};
+}
+
+var eventToObjectGenerator = {
+    promiseCreated: generatePromiseLifecycleEventObject,
+    promiseFulfilled: generatePromiseLifecycleEventObject,
+    promiseRejected: generatePromiseLifecycleEventObject,
+    promiseResolved: generatePromiseLifecycleEventObject,
+    promiseCancelled: generatePromiseLifecycleEventObject,
+    promiseChained: function(name, promise, child) {
+        return {promise: promise, child: child};
+    },
+    warning: function(name, warning) {
+        return {warning: warning};
+    },
+    unhandledRejection: function (name, reason, promise) {
+        return {reason: reason, promise: promise};
+    },
+    rejectionHandled: generatePromiseLifecycleEventObject
+};
+
+var activeFireEvent = function (name) {
+    var globalEventFired = false;
+    try {
+        globalEventFired = fireGlobalEvent.apply(null, arguments);
+    } catch (e) {
+        async.throwLater(e);
+        globalEventFired = true;
+    }
+
+    var domEventFired = false;
+    try {
+        domEventFired = fireDomEvent(name,
+                    eventToObjectGenerator[name].apply(null, arguments));
+    } catch (e) {
+        async.throwLater(e);
+        domEventFired = true;
+    }
+
+    return domEventFired || globalEventFired;
+};
+
+Promise.config = function(opts) {
+    opts = Object(opts);
+    if ("longStackTraces" in opts) {
+        if (opts.longStackTraces) {
+            Promise.longStackTraces();
+        } else if (!opts.longStackTraces && Promise.hasLongStackTraces()) {
+            disableLongStackTraces();
+        }
+    }
+    if ("warnings" in opts) {
+        var warningsOption = opts.warnings;
+        config.warnings = !!warningsOption;
+        wForgottenReturn = config.warnings;
+
+        if (util.isObject(warningsOption)) {
+            if ("wForgottenReturn" in warningsOption) {
+                wForgottenReturn = !!warningsOption.wForgottenReturn;
+            }
+        }
+    }
+    if ("cancellation" in opts && opts.cancellation && !config.cancellation) {
+        if (async.haveItemsQueued()) {
+            throw new Error(
+                "cannot enable cancellation after promises are in use");
+        }
+        Promise.prototype._clearCancellationData =
+            cancellationClearCancellationData;
+        Promise.prototype._propagateFrom = cancellationPropagateFrom;
+        Promise.prototype._onCancel = cancellationOnCancel;
+        Promise.prototype._setOnCancel = cancellationSetOnCancel;
+        Promise.prototype._attachCancellationCallback =
+            cancellationAttachCancellationCallback;
+        Promise.prototype._execute = cancellationExecute;
+        propagateFromFunction = cancellationPropagateFrom;
+        config.cancellation = true;
+    }
+    if ("monitoring" in opts) {
+        if (opts.monitoring && !config.monitoring) {
+            config.monitoring = true;
+            Promise.prototype._fireEvent = activeFireEvent;
+        } else if (!opts.monitoring && config.monitoring) {
+            config.monitoring = false;
+            Promise.prototype._fireEvent = defaultFireEvent;
+        }
+    }
+    if ("asyncHooks" in opts && util.nodeSupportsAsyncResource) {
+        var prev = config.asyncHooks;
+        var cur = !!opts.asyncHooks;
+        if (prev !== cur) {
+            config.asyncHooks = cur;
+            if (cur) {
+                enableAsyncHooks();
+            } else {
+                disableAsyncHooks();
+            }
+        }
+    }
+    return Promise;
+};
+
+function defaultFireEvent() { return false; }
+
+Promise.prototype._fireEvent = defaultFireEvent;
+Promise.prototype._execute = function(executor, resolve, reject) {
+    try {
+        executor(resolve, reject);
+    } catch (e) {
+        return e;
+    }
+};
+Promise.prototype._onCancel = function () {};
+Promise.prototype._setOnCancel = function (handler) { ; };
+Promise.prototype._attachCancellationCallback = function(onCancel) {
+    ;
+};
+Promise.prototype._captureStackTrace = function () {};
+Promise.prototype._attachExtraTrace = function () {};
+Promise.prototype._dereferenceTrace = function () {};
+Promise.prototype._clearCancellationData = function() {};
+Promise.prototype._propagateFrom = function (parent, flags) {
+    ;
+    ;
+};
+
+function cancellationExecute(executor, resolve, reject) {
+    var promise = this;
+    try {
+        executor(resolve, reject, function(onCancel) {
+            if (typeof onCancel !== "function") {
+                throw new TypeError("onCancel must be a function, got: " +
+                                    util.toString(onCancel));
+            }
+            promise._attachCancellationCallback(onCancel);
+        });
+    } catch (e) {
+        return e;
+    }
+}
+
+function cancellationAttachCancellationCallback(onCancel) {
+    if (!this._isCancellable()) return this;
+
+    var previousOnCancel = this._onCancel();
+    if (previousOnCancel !== undefined) {
+        if (util.isArray(previousOnCancel)) {
+            previousOnCancel.push(onCancel);
+        } else {
+            this._setOnCancel([previousOnCancel, onCancel]);
+        }
+    } else {
+        this._setOnCancel(onCancel);
+    }
+}
+
+function cancellationOnCancel() {
+    return this._onCancelField;
+}
+
+function cancellationSetOnCancel(onCancel) {
+    this._onCancelField = onCancel;
+}
+
+function cancellationClearCancellationData() {
+    this._cancellationParent = undefined;
+    this._onCancelField = undefined;
+}
+
+function cancellationPropagateFrom(parent, flags) {
+    if ((flags & 1) !== 0) {
+        this._cancellationParent = parent;
+        var branchesRemainingToCancel = parent._branchesRemainingToCancel;
+        if (branchesRemainingToCancel === undefined) {
+            branchesRemainingToCancel = 0;
+        }
+        parent._branchesRemainingToCancel = branchesRemainingToCancel + 1;
+    }
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+
+function bindingPropagateFrom(parent, flags) {
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+var propagateFromFunction = bindingPropagateFrom;
+
+function boundValueFunction() {
+    var ret = this._boundTo;
+    if (ret !== undefined) {
+        if (ret instanceof Promise) {
+            if (ret.isFulfilled()) {
+                return ret.value();
+            } else {
+                return undefined;
+            }
+        }
+    }
+    return ret;
+}
+
+function longStackTracesCaptureStackTrace() {
+    this._trace = new CapturedTrace(this._peekContext());
+}
+
+function longStackTracesAttachExtraTrace(error, ignoreSelf) {
+    if (canAttachTrace(error)) {
+        var trace = this._trace;
+        if (trace !== undefined) {
+            if (ignoreSelf) trace = trace._parent;
+        }
+        if (trace !== undefined) {
+            trace.attachExtraTrace(error);
+        } else if (!error.__stackCleaned__) {
+            var parsed = parseStackAndMessage(error);
+            util.notEnumerableProp(error, "stack",
+                parsed.message + "\n" + parsed.stack.join("\n"));
+            util.notEnumerableProp(error, "__stackCleaned__", true);
+        }
+    }
+}
+
+function longStackTracesDereferenceTrace() {
+    this._trace = undefined;
+}
+
+function checkForgottenReturns(returnValue, promiseCreated, name, promise,
+                               parent) {
+    if (returnValue === undefined && promiseCreated !== null &&
+        wForgottenReturn) {
+        if (parent !== undefined && parent._returnedNonUndefined()) return;
+        if ((promise._bitField & 65535) === 0) return;
+
+        if (name) name = name + " ";
+        var handlerLine = "";
+        var creatorLine = "";
+        if (promiseCreated._trace) {
+            var traceLines = promiseCreated._trace.stack.split("\n");
+            var stack = cleanStack(traceLines);
+            for (var i = stack.length - 1; i >= 0; --i) {
+                var line = stack[i];
+                if (!nodeFramePattern.test(line)) {
+                    var lineMatches = line.match(parseLinePattern);
+                    if (lineMatches) {
+                        handlerLine  = "at " + lineMatches[1] +
+                            ":" + lineMatches[2] + ":" + lineMatches[3] + " ";
+                    }
+                    break;
+                }
+            }
+
+            if (stack.length > 0) {
+                var firstUserLine = stack[0];
+                for (var i = 0; i < traceLines.length; ++i) {
+
+                    if (traceLines[i] === firstUserLine) {
+                        if (i > 0) {
+                            creatorLine = "\n" + traceLines[i - 1];
+                        }
+                        break;
+                    }
+                }
+
+            }
+        }
+        var msg = "a promise was created in a " + name +
+            "handler " + handlerLine + "but was not returned from it, " +
+            "see http://goo.gl/rRqMUw" +
+            creatorLine;
+        promise._warn(msg, true, promiseCreated);
+    }
+}
+
+function deprecated(name, replacement) {
+    var message = name +
+        " is deprecated and will be removed in a future version.";
+    if (replacement) message += " Use " + replacement + " instead.";
+    return warn(message);
+}
+
+function warn(message, shouldUseOwnTrace, promise) {
+    if (!config.warnings) return;
+    var warning = new Warning(message);
+    var ctx;
+    if (shouldUseOwnTrace) {
+        promise._attachExtraTrace(warning);
+    } else if (config.longStackTraces && (ctx = Promise._peekContext())) {
+        ctx.attachExtraTrace(warning);
+    } else {
+        var parsed = parseStackAndMessage(warning);
+        warning.stack = parsed.message + "\n" + parsed.stack.join("\n");
+    }
+
+    if (!activeFireEvent("warning", warning)) {
+        formatAndLogError(warning, "", true);
+    }
+}
+
+function reconstructStack(message, stacks) {
+    for (var i = 0; i < stacks.length - 1; ++i) {
+        stacks[i].push("From previous event:");
+        stacks[i] = stacks[i].join("\n");
+    }
+    if (i < stacks.length) {
+        stacks[i] = stacks[i].join("\n");
+    }
+    return message + "\n" + stacks.join("\n");
+}
+
+function removeDuplicateOrEmptyJumps(stacks) {
+    for (var i = 0; i < stacks.length; ++i) {
+        if (stacks[i].length === 0 ||
+            ((i + 1 < stacks.length) && stacks[i][0] === stacks[i+1][0])) {
+            stacks.splice(i, 1);
+            i--;
+        }
+    }
+}
+
+function removeCommonRoots(stacks) {
+    var current = stacks[0];
+    for (var i = 1; i < stacks.length; ++i) {
+        var prev = stacks[i];
+        var currentLastIndex = current.length - 1;
+        var currentLastLine = current[currentLastIndex];
+        var commonRootMeetPoint = -1;
+
+        for (var j = prev.length - 1; j >= 0; --j) {
+            if (prev[j] === currentLastLine) {
+                commonRootMeetPoint = j;
+                break;
+            }
+        }
+
+        for (var j = commonRootMeetPoint; j >= 0; --j) {
+            var line = prev[j];
+            if (current[currentLastIndex] === line) {
+                current.pop();
+                currentLastIndex--;
+            } else {
+                break;
+            }
+        }
+        current = prev;
+    }
+}
+
+function cleanStack(stack) {
+    var ret = [];
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        var isTraceLine = "    (No stack trace)" === line ||
+            stackFramePattern.test(line);
+        var isInternalFrame = isTraceLine && shouldIgnore(line);
+        if (isTraceLine && !isInternalFrame) {
+            if (indentStackFrames && line.charAt(0) !== " ") {
+                line = "    " + line;
+            }
+            ret.push(line);
+        }
+    }
+    return ret;
+}
+
+function stackFramesAsArray(error) {
+    var stack = error.stack.replace(/\s+$/g, "").split("\n");
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        if ("    (No stack trace)" === line || stackFramePattern.test(line)) {
+            break;
+        }
+    }
+    if (i > 0 && error.name != "SyntaxError") {
+        stack = stack.slice(i);
+    }
+    return stack;
+}
+
+function parseStackAndMessage(error) {
+    var stack = error.stack;
+    var message = error.toString();
+    stack = typeof stack === "string" && stack.length > 0
+                ? stackFramesAsArray(error) : ["    (No stack trace)"];
+    return {
+        message: message,
+        stack: error.name == "SyntaxError" ? stack : cleanStack(stack)
+    };
+}
+
+function formatAndLogError(error, title, isSoft) {
+    if (typeof console !== "undefined") {
+        var message;
+        if (util.isObject(error)) {
+            var stack = error.stack;
+            message = title + formatStack(stack, error);
+        } else {
+            message = title + String(error);
+        }
+        if (typeof printWarning === "function") {
+            printWarning(message, isSoft);
+        } else if (typeof console.log === "function" ||
+            typeof console.log === "object") {
+            console.log(message);
+        }
+    }
+}
+
+function fireRejectionEvent(name, localHandler, reason, promise) {
+    var localEventFired = false;
+    try {
+        if (typeof localHandler === "function") {
+            localEventFired = true;
+            if (name === "rejectionHandled") {
+                localHandler(promise);
+            } else {
+                localHandler(reason, promise);
+            }
+        }
+    } catch (e) {
+        async.throwLater(e);
+    }
+
+    if (name === "unhandledRejection") {
+        if (!activeFireEvent(name, reason, promise) && !localEventFired) {
+            formatAndLogError(reason, "Unhandled rejection ");
+        }
+    } else {
+        activeFireEvent(name, promise);
+    }
+}
+
+function formatNonError(obj) {
+    var str;
+    if (typeof obj === "function") {
+        str = "[function " +
+            (obj.name || "anonymous") +
+            "]";
+    } else {
+        str = obj && typeof obj.toString === "function"
+            ? obj.toString() : util.toString(obj);
+        var ruselessToString = /\[object [a-zA-Z0-9$_]+\]/;
+        if (ruselessToString.test(str)) {
+            try {
+                var newStr = JSON.stringify(obj);
+                str = newStr;
+            }
+            catch(e) {
+
+            }
+        }
+        if (str.length === 0) {
+            str = "(empty array)";
+        }
+    }
+    return ("(<" + snip(str) + ">, no stack trace)");
+}
+
+function snip(str) {
+    var maxChars = 41;
+    if (str.length < maxChars) {
+        return str;
+    }
+    return str.substr(0, maxChars - 3) + "...";
+}
+
+function longStackTracesIsSupported() {
+    return typeof captureStackTrace === "function";
+}
+
+var shouldIgnore = function() { return false; };
+var parseLineInfoRegex = /[\/<\(]([^:\/]+):(\d+):(?:\d+)\)?\s*$/;
+function parseLineInfo(line) {
+    var matches = line.match(parseLineInfoRegex);
+    if (matches) {
+        return {
+            fileName: matches[1],
+            line: parseInt(matches[2], 10)
+        };
+    }
+}
+
+function setBounds(firstLineError, lastLineError) {
+    if (!longStackTracesIsSupported()) return;
+    var firstStackLines = (firstLineError.stack || "").split("\n");
+    var lastStackLines = (lastLineError.stack || "").split("\n");
+    var firstIndex = -1;
+    var lastIndex = -1;
+    var firstFileName;
+    var lastFileName;
+    for (var i = 0; i < firstStackLines.length; ++i) {
+        var result = parseLineInfo(firstStackLines[i]);
+        if (result) {
+            firstFileName = result.fileName;
+            firstIndex = result.line;
+            break;
+        }
+    }
+    for (var i = 0; i < lastStackLines.length; ++i) {
+        var result = parseLineInfo(lastStackLines[i]);
+        if (result) {
+            lastFileName = result.fileName;
+            lastIndex = result.line;
+            break;
+        }
+    }
+    if (firstIndex < 0 || lastIndex < 0 || !firstFileName || !lastFileName ||
+        firstFileName !== lastFileName || firstIndex >= lastIndex) {
+        return;
+    }
+
+    shouldIgnore = function(line) {
+        if (bluebirdFramePattern.test(line)) return true;
+        var info = parseLineInfo(line);
+        if (info) {
+            if (info.fileName === firstFileName &&
+                (firstIndex <= info.line && info.line <= lastIndex)) {
+                return true;
+            }
+        }
+        return false;
+    };
+}
+
+function CapturedTrace(parent) {
+    this._parent = parent;
+    this._promisesCreated = 0;
+    var length = this._length = 1 + (parent === undefined ? 0 : parent._length);
+    captureStackTrace(this, CapturedTrace);
+    if (length > 32) this.uncycle();
+}
+util.inherits(CapturedTrace, Error);
+Context.CapturedTrace = CapturedTrace;
+
+CapturedTrace.prototype.uncycle = function() {
+    var length = this._length;
+    if (length < 2) return;
+    var nodes = [];
+    var stackToIndex = {};
+
+    for (var i = 0, node = this; node !== undefined; ++i) {
+        nodes.push(node);
+        node = node._parent;
+    }
+    length = this._length = i;
+    for (var i = length - 1; i >= 0; --i) {
+        var stack = nodes[i].stack;
+        if (stackToIndex[stack] === undefined) {
+            stackToIndex[stack] = i;
+        }
+    }
+    for (var i = 0; i < length; ++i) {
+        var currentStack = nodes[i].stack;
+        var index = stackToIndex[currentStack];
+        if (index !== undefined && index !== i) {
+            if (index > 0) {
+                nodes[index - 1]._parent = undefined;
+                nodes[index - 1]._length = 1;
+            }
+            nodes[i]._parent = undefined;
+            nodes[i]._length = 1;
+            var cycleEdgeNode = i > 0 ? nodes[i - 1] : this;
+
+            if (index < length - 1) {
+                cycleEdgeNode._parent = nodes[index + 1];
+                cycleEdgeNode._parent.uncycle();
+                cycleEdgeNode._length =
+                    cycleEdgeNode._parent._length + 1;
+            } else {
+                cycleEdgeNode._parent = undefined;
+                cycleEdgeNode._length = 1;
+            }
+            var currentChildLength = cycleEdgeNode._length + 1;
+            for (var j = i - 2; j >= 0; --j) {
+                nodes[j]._length = currentChildLength;
+                currentChildLength++;
+            }
+            return;
+        }
+    }
+};
+
+CapturedTrace.prototype.attachExtraTrace = function(error) {
+    if (error.__stackCleaned__) return;
+    this.uncycle();
+    var parsed = parseStackAndMessage(error);
+    var message = parsed.message;
+    var stacks = [parsed.stack];
+
+    var trace = this;
+    while (trace !== undefined) {
+        stacks.push(cleanStack(trace.stack.split("\n")));
+        trace = trace._parent;
+    }
+    removeCommonRoots(stacks);
+    removeDuplicateOrEmptyJumps(stacks);
+    util.notEnumerableProp(error, "stack", reconstructStack(message, stacks));
+    util.notEnumerableProp(error, "__stackCleaned__", true);
+};
+
+var captureStackTrace = (function stackDetection() {
+    var v8stackFramePattern = /^\s*at\s*/;
+    var v8stackFormatter = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if (error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    if (typeof Error.stackTraceLimit === "number" &&
+        typeof Error.captureStackTrace === "function") {
+        Error.stackTraceLimit += 6;
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        var captureStackTrace = Error.captureStackTrace;
+
+        shouldIgnore = function(line) {
+            return bluebirdFramePattern.test(line);
+        };
+        return function(receiver, ignoreUntil) {
+            Error.stackTraceLimit += 6;
+            captureStackTrace(receiver, ignoreUntil);
+            Error.stackTraceLimit -= 6;
+        };
+    }
+    var err = new Error();
+
+    if (typeof err.stack === "string" &&
+        err.stack.split("\n")[0].indexOf("stackDetection@") >= 0) {
+        stackFramePattern = /@/;
+        formatStack = v8stackFormatter;
+        indentStackFrames = true;
+        return function captureStackTrace(o) {
+            o.stack = new Error().stack;
+        };
+    }
+
+    var hasStackAfterThrow;
+    try { throw new Error(); }
+    catch(e) {
+        hasStackAfterThrow = ("stack" in e);
+    }
+    if (!("stack" in err) && hasStackAfterThrow &&
+        typeof Error.stackTraceLimit === "number") {
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        return function captureStackTrace(o) {
+            Error.stackTraceLimit += 6;
+            try { throw new Error(); }
+            catch(e) { o.stack = e.stack; }
+            Error.stackTraceLimit -= 6;
+        };
+    }
+
+    formatStack = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if ((typeof error === "object" ||
+            typeof error === "function") &&
+            error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    return null;
+
+})([]);
+
+if (typeof console !== "undefined" && typeof console.warn !== "undefined") {
+    printWarning = function (message) {
+        console.warn(message);
+    };
+    if (util.isNode && process.stderr.isTTY) {
+        printWarning = function(message, isSoft) {
+            var color = isSoft ? "\u001b[33m" : "\u001b[31m";
+            console.warn(color + message + "\u001b[0m\n");
+        };
+    } else if (!util.isNode && typeof (new Error().stack) === "string") {
+        printWarning = function(message, isSoft) {
+            console.warn("%c" + message,
+                        isSoft ? "color: darkorange" : "color: red");
+        };
+    }
+}
+
+var config = {
+    warnings: warnings,
+    longStackTraces: false,
+    cancellation: false,
+    monitoring: false,
+    asyncHooks: false
+};
+
+if (longStackTraces) Promise.longStackTraces();
+
+return {
+    asyncHooks: function() {
+        return config.asyncHooks;
+    },
+    longStackTraces: function() {
+        return config.longStackTraces;
+    },
+    warnings: function() {
+        return config.warnings;
+    },
+    cancellation: function() {
+        return config.cancellation;
+    },
+    monitoring: function() {
+        return config.monitoring;
+    },
+    propagateFromFunction: function() {
+        return propagateFromFunction;
+    },
+    boundValueFunction: function() {
+        return boundValueFunction;
+    },
+    checkForgottenReturns: checkForgottenReturns,
+    setBounds: setBounds,
+    warn: warn,
+    deprecated: deprecated,
+    CapturedTrace: CapturedTrace,
+    fireDomEvent: fireDomEvent,
+    fireGlobalEvent: fireGlobalEvent
+};
+};
+
+},{"./errors":12,"./es5":13,"./util":36}],10:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+function returner() {
+    return this.value;
+}
+function thrower() {
+    throw this.reason;
+}
+
+Promise.prototype["return"] =
+Promise.prototype.thenReturn = function (value) {
+    if (value instanceof Promise) value.suppressUnhandledRejections();
+    return this._then(
+        returner, undefined, undefined, {value: value}, undefined);
+};
+
+Promise.prototype["throw"] =
+Promise.prototype.thenThrow = function (reason) {
+    return this._then(
+        thrower, undefined, undefined, {reason: reason}, undefined);
+};
+
+Promise.prototype.catchThrow = function (reason) {
+    if (arguments.length <= 1) {
+        return this._then(
+            undefined, thrower, undefined, {reason: reason}, undefined);
+    } else {
+        var _reason = arguments[1];
+        var handler = function() {throw _reason;};
+        return this.caught(reason, handler);
+    }
+};
+
+Promise.prototype.catchReturn = function (value) {
+    if (arguments.length <= 1) {
+        if (value instanceof Promise) value.suppressUnhandledRejections();
+        return this._then(
+            undefined, returner, undefined, {value: value}, undefined);
+    } else {
+        var _value = arguments[1];
+        if (_value instanceof Promise) _value.suppressUnhandledRejections();
+        var handler = function() {return _value;};
+        return this.caught(value, handler);
+    }
+};
+};
+
+},{}],11:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var PromiseReduce = Promise.reduce;
+var PromiseAll = Promise.all;
+
+function promiseAllThis() {
+    return PromiseAll(this);
+}
+
+function PromiseMapSeries(promises, fn) {
+    return PromiseReduce(promises, fn, INTERNAL, INTERNAL);
+}
+
+Promise.prototype.each = function (fn) {
+    return PromiseReduce(this, fn, INTERNAL, 0)
+              ._then(promiseAllThis, undefined, undefined, this, undefined);
+};
+
+Promise.prototype.mapSeries = function (fn) {
+    return PromiseReduce(this, fn, INTERNAL, INTERNAL);
+};
+
+Promise.each = function (promises, fn) {
+    return PromiseReduce(promises, fn, INTERNAL, 0)
+              ._then(promiseAllThis, undefined, undefined, promises, undefined);
+};
+
+Promise.mapSeries = PromiseMapSeries;
+};
+
+
+},{}],12:[function(_dereq_,module,exports){
+"use strict";
+var es5 = _dereq_("./es5");
+var Objectfreeze = es5.freeze;
+var util = _dereq_("./util");
+var inherits = util.inherits;
+var notEnumerableProp = util.notEnumerableProp;
+
+function subError(nameProperty, defaultMessage) {
+    function SubError(message) {
+        if (!(this instanceof SubError)) return new SubError(message);
+        notEnumerableProp(this, "message",
+            typeof message === "string" ? message : defaultMessage);
+        notEnumerableProp(this, "name", nameProperty);
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        } else {
+            Error.call(this);
+        }
+    }
+    inherits(SubError, Error);
+    return SubError;
+}
+
+var _TypeError, _RangeError;
+var Warning = subError("Warning", "warning");
+var CancellationError = subError("CancellationError", "cancellation error");
+var TimeoutError = subError("TimeoutError", "timeout error");
+var AggregateError = subError("AggregateError", "aggregate error");
+try {
+    _TypeError = TypeError;
+    _RangeError = RangeError;
+} catch(e) {
+    _TypeError = subError("TypeError", "type error");
+    _RangeError = subError("RangeError", "range error");
+}
+
+var methods = ("join pop push shift unshift slice filter forEach some " +
+    "every map indexOf lastIndexOf reduce reduceRight sort reverse").split(" ");
+
+for (var i = 0; i < methods.length; ++i) {
+    if (typeof Array.prototype[methods[i]] === "function") {
+        AggregateError.prototype[methods[i]] = Array.prototype[methods[i]];
+    }
+}
+
+es5.defineProperty(AggregateError.prototype, "length", {
+    value: 0,
+    configurable: false,
+    writable: true,
+    enumerable: true
+});
+AggregateError.prototype["isOperational"] = true;
+var level = 0;
+AggregateError.prototype.toString = function() {
+    var indent = Array(level * 4 + 1).join(" ");
+    var ret = "\n" + indent + "AggregateError of:" + "\n";
+    level++;
+    indent = Array(level * 4 + 1).join(" ");
+    for (var i = 0; i < this.length; ++i) {
+        var str = this[i] === this ? "[Circular AggregateError]" : this[i] + "";
+        var lines = str.split("\n");
+        for (var j = 0; j < lines.length; ++j) {
+            lines[j] = indent + lines[j];
+        }
+        str = lines.join("\n");
+        ret += str + "\n";
+    }
+    level--;
+    return ret;
+};
+
+function OperationalError(message) {
+    if (!(this instanceof OperationalError))
+        return new OperationalError(message);
+    notEnumerableProp(this, "name", "OperationalError");
+    notEnumerableProp(this, "message", message);
+    this.cause = message;
+    this["isOperational"] = true;
+
+    if (message instanceof Error) {
+        notEnumerableProp(this, "message", message.message);
+        notEnumerableProp(this, "stack", message.stack);
+    } else if (Error.captureStackTrace) {
+        Error.captureStackTrace(this, this.constructor);
+    }
+
+}
+inherits(OperationalError, Error);
+
+var errorTypes = Error["__BluebirdErrorTypes__"];
+if (!errorTypes) {
+    errorTypes = Objectfreeze({
+        CancellationError: CancellationError,
+        TimeoutError: TimeoutError,
+        OperationalError: OperationalError,
+        RejectionError: OperationalError,
+        AggregateError: AggregateError
+    });
+    es5.defineProperty(Error, "__BluebirdErrorTypes__", {
+        value: errorTypes,
+        writable: false,
+        enumerable: false,
+        configurable: false
+    });
+}
+
+module.exports = {
+    Error: Error,
+    TypeError: _TypeError,
+    RangeError: _RangeError,
+    CancellationError: errorTypes.CancellationError,
+    OperationalError: errorTypes.OperationalError,
+    TimeoutError: errorTypes.TimeoutError,
+    AggregateError: errorTypes.AggregateError,
+    Warning: Warning
+};
+
+},{"./es5":13,"./util":36}],13:[function(_dereq_,module,exports){
+var isES5 = (function(){
+    "use strict";
+    return this === undefined;
+})();
+
+if (isES5) {
+    module.exports = {
+        freeze: Object.freeze,
+        defineProperty: Object.defineProperty,
+        getDescriptor: Object.getOwnPropertyDescriptor,
+        keys: Object.keys,
+        names: Object.getOwnPropertyNames,
+        getPrototypeOf: Object.getPrototypeOf,
+        isArray: Array.isArray,
+        isES5: isES5,
+        propertyIsWritable: function(obj, prop) {
+            var descriptor = Object.getOwnPropertyDescriptor(obj, prop);
+            return !!(!descriptor || descriptor.writable || descriptor.set);
+        }
+    };
+} else {
+    var has = {}.hasOwnProperty;
+    var str = {}.toString;
+    var proto = {}.constructor.prototype;
+
+    var ObjectKeys = function (o) {
+        var ret = [];
+        for (var key in o) {
+            if (has.call(o, key)) {
+                ret.push(key);
+            }
+        }
+        return ret;
+    };
+
+    var ObjectGetDescriptor = function(o, key) {
+        return {value: o[key]};
+    };
+
+    var ObjectDefineProperty = function (o, key, desc) {
+        o[key] = desc.value;
+        return o;
+    };
+
+    var ObjectFreeze = function (obj) {
+        return obj;
+    };
+
+    var ObjectGetPrototypeOf = function (obj) {
+        try {
+            return Object(obj).constructor.prototype;
+        }
+        catch (e) {
+            return proto;
+        }
+    };
+
+    var ArrayIsArray = function (obj) {
+        try {
+            return str.call(obj) === "[object Array]";
+        }
+        catch(e) {
+            return false;
+        }
+    };
+
+    module.exports = {
+        isArray: ArrayIsArray,
+        keys: ObjectKeys,
+        names: ObjectKeys,
+        defineProperty: ObjectDefineProperty,
+        getDescriptor: ObjectGetDescriptor,
+        freeze: ObjectFreeze,
+        getPrototypeOf: ObjectGetPrototypeOf,
+        isES5: isES5,
+        propertyIsWritable: function() {
+            return true;
+        }
+    };
+}
+
+},{}],14:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var PromiseMap = Promise.map;
+
+Promise.prototype.filter = function (fn, options) {
+    return PromiseMap(this, fn, options, INTERNAL);
+};
+
+Promise.filter = function (promises, fn, options) {
+    return PromiseMap(promises, fn, options, INTERNAL);
+};
+};
+
+},{}],15:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, tryConvertToPromise, NEXT_FILTER) {
+var util = _dereq_("./util");
+var CancellationError = Promise.CancellationError;
+var errorObj = util.errorObj;
+var catchFilter = _dereq_("./catch_filter")(NEXT_FILTER);
+
+function PassThroughHandlerContext(promise, type, handler) {
+    this.promise = promise;
+    this.type = type;
+    this.handler = handler;
+    this.called = false;
+    this.cancelPromise = null;
+}
+
+PassThroughHandlerContext.prototype.isFinallyHandler = function() {
+    return this.type === 0;
+};
+
+function FinallyHandlerCancelReaction(finallyHandler) {
+    this.finallyHandler = finallyHandler;
+}
+
+FinallyHandlerCancelReaction.prototype._resultCancelled = function() {
+    checkCancel(this.finallyHandler);
+};
+
+function checkCancel(ctx, reason) {
+    if (ctx.cancelPromise != null) {
+        if (arguments.length > 1) {
+            ctx.cancelPromise._reject(reason);
+        } else {
+            ctx.cancelPromise._cancel();
+        }
+        ctx.cancelPromise = null;
+        return true;
+    }
+    return false;
+}
+
+function succeed() {
+    return finallyHandler.call(this, this.promise._target()._settledValue());
+}
+function fail(reason) {
+    if (checkCancel(this, reason)) return;
+    errorObj.e = reason;
+    return errorObj;
+}
+function finallyHandler(reasonOrValue) {
+    var promise = this.promise;
+    var handler = this.handler;
+
+    if (!this.called) {
+        this.called = true;
+        var ret = this.isFinallyHandler()
+            ? handler.call(promise._boundValue())
+            : handler.call(promise._boundValue(), reasonOrValue);
+        if (ret === NEXT_FILTER) {
+            return ret;
+        } else if (ret !== undefined) {
+            promise._setReturnedNonUndefined();
+            var maybePromise = tryConvertToPromise(ret, promise);
+            if (maybePromise instanceof Promise) {
+                if (this.cancelPromise != null) {
+                    if (maybePromise._isCancelled()) {
+                        var reason =
+                            new CancellationError("late cancellation observer");
+                        promise._attachExtraTrace(reason);
+                        errorObj.e = reason;
+                        return errorObj;
+                    } else if (maybePromise.isPending()) {
+                        maybePromise._attachCancellationCallback(
+                            new FinallyHandlerCancelReaction(this));
+                    }
+                }
+                return maybePromise._then(
+                    succeed, fail, undefined, this, undefined);
+            }
+        }
+    }
+
+    if (promise.isRejected()) {
+        checkCancel(this);
+        errorObj.e = reasonOrValue;
+        return errorObj;
+    } else {
+        checkCancel(this);
+        return reasonOrValue;
+    }
+}
+
+Promise.prototype._passThrough = function(handler, type, success, fail) {
+    if (typeof handler !== "function") return this.then();
+    return this._then(success,
+                      fail,
+                      undefined,
+                      new PassThroughHandlerContext(this, type, handler),
+                      undefined);
+};
+
+Promise.prototype.lastly =
+Promise.prototype["finally"] = function (handler) {
+    return this._passThrough(handler,
+                             0,
+                             finallyHandler,
+                             finallyHandler);
+};
+
+
+Promise.prototype.tap = function (handler) {
+    return this._passThrough(handler, 1, finallyHandler);
+};
+
+Promise.prototype.tapCatch = function (handlerOrPredicate) {
+    var len = arguments.length;
+    if(len === 1) {
+        return this._passThrough(handlerOrPredicate,
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    } else {
+         var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return Promise.reject(new TypeError(
+                    "tapCatch statement predicate: "
+                    + "expecting an object but got " + util.classString(item)
+                ));
+            }
+        }
+        catchInstances.length = j;
+        var handler = arguments[i];
+        return this._passThrough(catchFilter(catchInstances, handler, this),
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    }
+
+};
+
+return PassThroughHandlerContext;
+};
+
+},{"./catch_filter":7,"./util":36}],16:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise,
+                          apiRejection,
+                          INTERNAL,
+                          tryConvertToPromise,
+                          Proxyable,
+                          debug) {
+var errors = _dereq_("./errors");
+var TypeError = errors.TypeError;
+var util = _dereq_("./util");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+var yieldHandlers = [];
+
+function promiseFromYieldHandler(value, yieldHandlers, traceParent) {
+    for (var i = 0; i < yieldHandlers.length; ++i) {
+        traceParent._pushContext();
+        var result = tryCatch(yieldHandlers[i])(value);
+        traceParent._popContext();
+        if (result === errorObj) {
+            traceParent._pushContext();
+            var ret = Promise.reject(errorObj.e);
+            traceParent._popContext();
+            return ret;
+        }
+        var maybePromise = tryConvertToPromise(result, traceParent);
+        if (maybePromise instanceof Promise) return maybePromise;
+    }
+    return null;
+}
+
+function PromiseSpawn(generatorFunction, receiver, yieldHandler, stack) {
+    if (debug.cancellation()) {
+        var internal = new Promise(INTERNAL);
+        var _finallyPromise = this._finallyPromise = new Promise(INTERNAL);
+        this._promise = internal.lastly(function() {
+            return _finallyPromise;
+        });
+        internal._captureStackTrace();
+        internal._setOnCancel(this);
+    } else {
+        var promise = this._promise = new Promise(INTERNAL);
+        promise._captureStackTrace();
+    }
+    this._stack = stack;
+    this._generatorFunction = generatorFunction;
+    this._receiver = receiver;
+    this._generator = undefined;
+    this._yieldHandlers = typeof yieldHandler === "function"
+        ? [yieldHandler].concat(yieldHandlers)
+        : yieldHandlers;
+    this._yieldedPromise = null;
+    this._cancellationPhase = false;
+}
+util.inherits(PromiseSpawn, Proxyable);
+
+PromiseSpawn.prototype._isResolved = function() {
+    return this._promise === null;
+};
+
+PromiseSpawn.prototype._cleanup = function() {
+    this._promise = this._generator = null;
+    if (debug.cancellation() && this._finallyPromise !== null) {
+        this._finallyPromise._fulfill();
+        this._finallyPromise = null;
+    }
+};
+
+PromiseSpawn.prototype._promiseCancelled = function() {
+    if (this._isResolved()) return;
+    var implementsReturn = typeof this._generator["return"] !== "undefined";
+
+    var result;
+    if (!implementsReturn) {
+        var reason = new Promise.CancellationError(
+            "generator .return() sentinel");
+        Promise.coroutine.returnSentinel = reason;
+        this._promise._attachExtraTrace(reason);
+        this._promise._pushContext();
+        result = tryCatch(this._generator["throw"]).call(this._generator,
+                                                         reason);
+        this._promise._popContext();
+    } else {
+        this._promise._pushContext();
+        result = tryCatch(this._generator["return"]).call(this._generator,
+                                                          undefined);
+        this._promise._popContext();
+    }
+    this._cancellationPhase = true;
+    this._yieldedPromise = null;
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseFulfilled = function(value) {
+    this._yieldedPromise = null;
+    this._promise._pushContext();
+    var result = tryCatch(this._generator.next).call(this._generator, value);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseRejected = function(reason) {
+    this._yieldedPromise = null;
+    this._promise._attachExtraTrace(reason);
+    this._promise._pushContext();
+    var result = tryCatch(this._generator["throw"])
+        .call(this._generator, reason);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._resultCancelled = function() {
+    if (this._yieldedPromise instanceof Promise) {
+        var promise = this._yieldedPromise;
+        this._yieldedPromise = null;
+        promise.cancel();
+    }
+};
+
+PromiseSpawn.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseSpawn.prototype._run = function () {
+    this._generator = this._generatorFunction.call(this._receiver);
+    this._receiver =
+        this._generatorFunction = undefined;
+    this._promiseFulfilled(undefined);
+};
+
+PromiseSpawn.prototype._continue = function (result) {
+    var promise = this._promise;
+    if (result === errorObj) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._rejectCallback(result.e, false);
+        }
+    }
+
+    var value = result.value;
+    if (result.done === true) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._resolveCallback(value);
+        }
+    } else {
+        var maybePromise = tryConvertToPromise(value, this._promise);
+        if (!(maybePromise instanceof Promise)) {
+            maybePromise =
+                promiseFromYieldHandler(maybePromise,
+                                        this._yieldHandlers,
+                                        this._promise);
+            if (maybePromise === null) {
+                this._promiseRejected(
+                    new TypeError(
+                        "A value %s was yielded that could not be treated as a promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a\u000a".replace("%s", String(value)) +
+                        "From coroutine:\u000a" +
+                        this._stack.split("\n").slice(1, -7).join("\n")
+                    )
+                );
+                return;
+            }
+        }
+        maybePromise = maybePromise._target();
+        var bitField = maybePromise._bitField;
+        ;
+        if (((bitField & 50397184) === 0)) {
+            this._yieldedPromise = maybePromise;
+            maybePromise._proxy(this, null);
+        } else if (((bitField & 33554432) !== 0)) {
+            Promise._async.invoke(
+                this._promiseFulfilled, this, maybePromise._value()
+            );
+        } else if (((bitField & 16777216) !== 0)) {
+            Promise._async.invoke(
+                this._promiseRejected, this, maybePromise._reason()
+            );
+        } else {
+            this._promiseCancelled();
+        }
+    }
+};
+
+Promise.coroutine = function (generatorFunction, options) {
+    if (typeof generatorFunction !== "function") {
+        throw new TypeError("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var yieldHandler = Object(options).yieldHandler;
+    var PromiseSpawn$ = PromiseSpawn;
+    var stack = new Error().stack;
+    return function () {
+        var generator = generatorFunction.apply(this, arguments);
+        var spawn = new PromiseSpawn$(undefined, undefined, yieldHandler,
+                                      stack);
+        var ret = spawn.promise();
+        spawn._generator = generator;
+        spawn._promiseFulfilled(undefined);
+        return ret;
+    };
+};
+
+Promise.coroutine.addYieldHandler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    yieldHandlers.push(fn);
+};
+
+Promise.spawn = function (generatorFunction) {
+    debug.deprecated("Promise.spawn()", "Promise.coroutine()");
+    if (typeof generatorFunction !== "function") {
+        return apiRejection("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var spawn = new PromiseSpawn(generatorFunction, this);
+    var ret = spawn.promise();
+    spawn._run(Promise.spawn);
+    return ret;
+};
+};
+
+},{"./errors":12,"./util":36}],17:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+function(Promise, PromiseArray, tryConvertToPromise, INTERNAL, async) {
+var util = _dereq_("./util");
+var canEvaluate = util.canEvaluate;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var reject;
+
+if (!true) {
+if (canEvaluate) {
+    var thenCallback = function(i) {
+        return new Function("value", "holder", "                             \n\
+            'use strict';                                                    \n\
+            holder.pIndex = value;                                           \n\
+            holder.checkFulfillment(this);                                   \n\
+            ".replace(/Index/g, i));
+    };
+
+    var promiseSetter = function(i) {
+        return new Function("promise", "holder", "                           \n\
+            'use strict';                                                    \n\
+            holder.pIndex = promise;                                         \n\
+            ".replace(/Index/g, i));
+    };
+
+    var generateHolderClass = function(total) {
+        var props = new Array(total);
+        for (var i = 0; i < props.length; ++i) {
+            props[i] = "this.p" + (i+1);
+        }
+        var assignment = props.join(" = ") + " = null;";
+        var cancellationCode= "var promise;\n" + props.map(function(prop) {
+            return "                                                         \n\
+                promise = " + prop + ";                                      \n\
+                if (promise instanceof Promise) {                            \n\
+                    promise.cancel();                                        \n\
+                }                                                            \n\
+            ";
+        }).join("\n");
+        var passedArguments = props.join(", ");
+        var name = "Holder$" + total;
+
+
+        var code = "return function(tryCatch, errorObj, Promise, async) {    \n\
+            'use strict';                                                    \n\
+            function [TheName](fn) {                                         \n\
+                [TheProperties]                                              \n\
+                this.fn = fn;                                                \n\
+                this.asyncNeeded = true;                                     \n\
+                this.now = 0;                                                \n\
+            }                                                                \n\
+                                                                             \n\
+            [TheName].prototype._callFunction = function(promise) {          \n\
+                promise._pushContext();                                      \n\
+                var ret = tryCatch(this.fn)([ThePassedArguments]);           \n\
+                promise._popContext();                                       \n\
+                if (ret === errorObj) {                                      \n\
+                    promise._rejectCallback(ret.e, false);                   \n\
+                } else {                                                     \n\
+                    promise._resolveCallback(ret);                           \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype.checkFulfillment = function(promise) {       \n\
+                var now = ++this.now;                                        \n\
+                if (now === [TheTotal]) {                                    \n\
+                    if (this.asyncNeeded) {                                  \n\
+                        async.invoke(this._callFunction, this, promise);     \n\
+                    } else {                                                 \n\
+                        this._callFunction(promise);                         \n\
+                    }                                                        \n\
+                                                                             \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype._resultCancelled = function() {              \n\
+                [CancellationCode]                                           \n\
+            };                                                               \n\
+                                                                             \n\
+            return [TheName];                                                \n\
+        }(tryCatch, errorObj, Promise, async);                               \n\
+        ";
+
+        code = code.replace(/\[TheName\]/g, name)
+            .replace(/\[TheTotal\]/g, total)
+            .replace(/\[ThePassedArguments\]/g, passedArguments)
+            .replace(/\[TheProperties\]/g, assignment)
+            .replace(/\[CancellationCode\]/g, cancellationCode);
+
+        return new Function("tryCatch", "errorObj", "Promise", "async", code)
+                           (tryCatch, errorObj, Promise, async);
+    };
+
+    var holderClasses = [];
+    var thenCallbacks = [];
+    var promiseSetters = [];
+
+    for (var i = 0; i < 8; ++i) {
+        holderClasses.push(generateHolderClass(i + 1));
+        thenCallbacks.push(thenCallback(i + 1));
+        promiseSetters.push(promiseSetter(i + 1));
+    }
+
+    reject = function (reason) {
+        this._reject(reason);
+    };
+}}
+
+Promise.join = function () {
+    var last = arguments.length - 1;
+    var fn;
+    if (last > 0 && typeof arguments[last] === "function") {
+        fn = arguments[last];
+        if (!true) {
+            if (last <= 8 && canEvaluate) {
+                var ret = new Promise(INTERNAL);
+                ret._captureStackTrace();
+                var HolderClass = holderClasses[last - 1];
+                var holder = new HolderClass(fn);
+                var callbacks = thenCallbacks;
+
+                for (var i = 0; i < last; ++i) {
+                    var maybePromise = tryConvertToPromise(arguments[i], ret);
+                    if (maybePromise instanceof Promise) {
+                        maybePromise = maybePromise._target();
+                        var bitField = maybePromise._bitField;
+                        ;
+                        if (((bitField & 50397184) === 0)) {
+                            maybePromise._then(callbacks[i], reject,
+                                               undefined, ret, holder);
+                            promiseSetters[i](maybePromise, holder);
+                            holder.asyncNeeded = false;
+                        } else if (((bitField & 33554432) !== 0)) {
+                            callbacks[i].call(ret,
+                                              maybePromise._value(), holder);
+                        } else if (((bitField & 16777216) !== 0)) {
+                            ret._reject(maybePromise._reason());
+                        } else {
+                            ret._cancel();
+                        }
+                    } else {
+                        callbacks[i].call(ret, maybePromise, holder);
+                    }
+                }
+
+                if (!ret._isFateSealed()) {
+                    if (holder.asyncNeeded) {
+                        var context = Promise._getContext();
+                        holder.fn = util.contextBind(context, holder.fn);
+                    }
+                    ret._setAsyncGuaranteed();
+                    ret._setOnCancel(holder);
+                }
+                return ret;
+            }
+        }
+    }
+    var args = [].slice.call(arguments);;
+    if (fn) args.pop();
+    var ret = new PromiseArray(args).promise();
+    return fn !== undefined ? ret.spread(fn) : ret;
+};
+
+};
+
+},{"./util":36}],18:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise,
+                          PromiseArray,
+                          apiRejection,
+                          tryConvertToPromise,
+                          INTERNAL,
+                          debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var async = Promise._async;
+
+function MappingPromiseArray(promises, fn, limit, _filter) {
+    this.constructor$(promises);
+    this._promise._captureStackTrace();
+    var context = Promise._getContext();
+    this._callback = util.contextBind(context, fn);
+    this._preservedValues = _filter === INTERNAL
+        ? new Array(this.length())
+        : null;
+    this._limit = limit;
+    this._inFlight = 0;
+    this._queue = [];
+    async.invoke(this._asyncInit, this, undefined);
+    if (util.isArray(promises)) {
+        for (var i = 0; i < promises.length; ++i) {
+            var maybePromise = promises[i];
+            if (maybePromise instanceof Promise) {
+                maybePromise.suppressUnhandledRejections();
+            }
+        }
+    }
+}
+util.inherits(MappingPromiseArray, PromiseArray);
+
+MappingPromiseArray.prototype._asyncInit = function() {
+    this._init$(undefined, -2);
+};
+
+MappingPromiseArray.prototype._init = function () {};
+
+MappingPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    var values = this._values;
+    var length = this.length();
+    var preservedValues = this._preservedValues;
+    var limit = this._limit;
+
+    if (index < 0) {
+        index = (index * -1) - 1;
+        values[index] = value;
+        if (limit >= 1) {
+            this._inFlight--;
+            this._drainQueue();
+            if (this._isResolved()) return true;
+        }
+    } else {
+        if (limit >= 1 && this._inFlight >= limit) {
+            values[index] = value;
+            this._queue.push(index);
+            return false;
+        }
+        if (preservedValues !== null) preservedValues[index] = value;
+
+        var promise = this._promise;
+        var callback = this._callback;
+        var receiver = promise._boundValue();
+        promise._pushContext();
+        var ret = tryCatch(callback).call(receiver, value, index, length);
+        var promiseCreated = promise._popContext();
+        debug.checkForgottenReturns(
+            ret,
+            promiseCreated,
+            preservedValues !== null ? "Promise.filter" : "Promise.map",
+            promise
+        );
+        if (ret === errorObj) {
+            this._reject(ret.e);
+            return true;
+        }
+
+        var maybePromise = tryConvertToPromise(ret, this._promise);
+        if (maybePromise instanceof Promise) {
+            maybePromise = maybePromise._target();
+            var bitField = maybePromise._bitField;
+            ;
+            if (((bitField & 50397184) === 0)) {
+                if (limit >= 1) this._inFlight++;
+                values[index] = maybePromise;
+                maybePromise._proxy(this, (index + 1) * -1);
+                return false;
+            } else if (((bitField & 33554432) !== 0)) {
+                ret = maybePromise._value();
+            } else if (((bitField & 16777216) !== 0)) {
+                this._reject(maybePromise._reason());
+                return true;
+            } else {
+                this._cancel();
+                return true;
+            }
+        }
+        values[index] = ret;
+    }
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= length) {
+        if (preservedValues !== null) {
+            this._filter(values, preservedValues);
+        } else {
+            this._resolve(values);
+        }
+        return true;
+    }
+    return false;
+};
+
+MappingPromiseArray.prototype._drainQueue = function () {
+    var queue = this._queue;
+    var limit = this._limit;
+    var values = this._values;
+    while (queue.length > 0 && this._inFlight < limit) {
+        if (this._isResolved()) return;
+        var index = queue.pop();
+        this._promiseFulfilled(values[index], index);
+    }
+};
+
+MappingPromiseArray.prototype._filter = function (booleans, values) {
+    var len = values.length;
+    var ret = new Array(len);
+    var j = 0;
+    for (var i = 0; i < len; ++i) {
+        if (booleans[i]) ret[j++] = values[i];
+    }
+    ret.length = j;
+    this._resolve(ret);
+};
+
+MappingPromiseArray.prototype.preservedValues = function () {
+    return this._preservedValues;
+};
+
+function map(promises, fn, options, _filter) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+
+    var limit = 0;
+    if (options !== undefined) {
+        if (typeof options === "object" && options !== null) {
+            if (typeof options.concurrency !== "number") {
+                return Promise.reject(
+                    new TypeError("'concurrency' must be a number but it is " +
+                                    util.classString(options.concurrency)));
+            }
+            limit = options.concurrency;
+        } else {
+            return Promise.reject(new TypeError(
+                            "options argument must be an object but it is " +
+                             util.classString(options)));
+        }
+    }
+    limit = typeof limit === "number" &&
+        isFinite(limit) && limit >= 1 ? limit : 0;
+    return new MappingPromiseArray(promises, fn, limit, _filter).promise();
+}
+
+Promise.prototype.map = function (fn, options) {
+    return map(this, fn, options, null);
+};
+
+Promise.map = function (promises, fn, options, _filter) {
+    return map(promises, fn, options, _filter);
+};
+
+
+};
+
+},{"./util":36}],19:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+function(Promise, INTERNAL, tryConvertToPromise, apiRejection, debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+
+Promise.method = function (fn) {
+    if (typeof fn !== "function") {
+        throw new Promise.TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return function () {
+        var ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._pushContext();
+        var value = tryCatch(fn).apply(this, arguments);
+        var promiseCreated = ret._popContext();
+        debug.checkForgottenReturns(
+            value, promiseCreated, "Promise.method", ret);
+        ret._resolveFromSyncValue(value);
+        return ret;
+    };
+};
+
+Promise.attempt = Promise["try"] = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._pushContext();
+    var value;
+    if (arguments.length > 1) {
+        debug.deprecated("calling Promise.try with more than 1 argument");
+        var arg = arguments[1];
+        var ctx = arguments[2];
+        value = util.isArray(arg) ? tryCatch(fn).apply(ctx, arg)
+                                  : tryCatch(fn).call(ctx, arg);
+    } else {
+        value = tryCatch(fn)();
+    }
+    var promiseCreated = ret._popContext();
+    debug.checkForgottenReturns(
+        value, promiseCreated, "Promise.try", ret);
+    ret._resolveFromSyncValue(value);
+    return ret;
+};
+
+Promise.prototype._resolveFromSyncValue = function (value) {
+    if (value === util.errorObj) {
+        this._rejectCallback(value.e, false);
+    } else {
+        this._resolveCallback(value, true);
+    }
+};
+};
+
+},{"./util":36}],20:[function(_dereq_,module,exports){
+"use strict";
+var util = _dereq_("./util");
+var maybeWrapAsError = util.maybeWrapAsError;
+var errors = _dereq_("./errors");
+var OperationalError = errors.OperationalError;
+var es5 = _dereq_("./es5");
+
+function isUntypedError(obj) {
+    return obj instanceof Error &&
+        es5.getPrototypeOf(obj) === Error.prototype;
+}
+
+var rErrorKey = /^(?:name|message|stack|cause)$/;
+function wrapAsOperationalError(obj) {
+    var ret;
+    if (isUntypedError(obj)) {
+        ret = new OperationalError(obj);
+        ret.name = obj.name;
+        ret.message = obj.message;
+        ret.stack = obj.stack;
+        var keys = es5.keys(obj);
+        for (var i = 0; i < keys.length; ++i) {
+            var key = keys[i];
+            if (!rErrorKey.test(key)) {
+                ret[key] = obj[key];
+            }
+        }
+        return ret;
+    }
+    util.markAsOriginatingFromRejection(obj);
+    return obj;
+}
+
+function nodebackForPromise(promise, multiArgs) {
+    return function(err, value) {
+        if (promise === null) return;
+        if (err) {
+            var wrapped = wrapAsOperationalError(maybeWrapAsError(err));
+            promise._attachExtraTrace(wrapped);
+            promise._reject(wrapped);
+        } else if (!multiArgs) {
+            promise._fulfill(value);
+        } else {
+            var args = [].slice.call(arguments, 1);;
+            promise._fulfill(args);
+        }
+        promise = null;
+    };
+}
+
+module.exports = nodebackForPromise;
+
+},{"./errors":12,"./es5":13,"./util":36}],21:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+var util = _dereq_("./util");
+var async = Promise._async;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+
+function spreadAdapter(val, nodeback) {
+    var promise = this;
+    if (!util.isArray(val)) return successAdapter.call(promise, val, nodeback);
+    var ret =
+        tryCatch(nodeback).apply(promise._boundValue(), [null].concat(val));
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+
+function successAdapter(val, nodeback) {
+    var promise = this;
+    var receiver = promise._boundValue();
+    var ret = val === undefined
+        ? tryCatch(nodeback).call(receiver, null)
+        : tryCatch(nodeback).call(receiver, null, val);
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+function errorAdapter(reason, nodeback) {
+    var promise = this;
+    if (!reason) {
+        var newReason = new Error(reason + "");
+        newReason.cause = reason;
+        reason = newReason;
+    }
+    var ret = tryCatch(nodeback).call(promise._boundValue(), reason);
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+
+Promise.prototype.asCallback = Promise.prototype.nodeify = function (nodeback,
+                                                                     options) {
+    if (typeof nodeback == "function") {
+        var adapter = successAdapter;
+        if (options !== undefined && Object(options).spread) {
+            adapter = spreadAdapter;
+        }
+        this._then(
+            adapter,
+            errorAdapter,
+            undefined,
+            this,
+            nodeback
+        );
+    }
+    return this;
+};
+};
+
+},{"./util":36}],22:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function() {
+var makeSelfResolutionError = function () {
+    return new TypeError("circular promise resolution chain\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var reflectHandler = function() {
+    return new Promise.PromiseInspection(this._target());
+};
+var apiRejection = function(msg) {
+    return Promise.reject(new TypeError(msg));
+};
+function Proxyable() {}
+var UNDEFINED_BINDING = {};
+var util = _dereq_("./util");
+util.setReflectHandler(reflectHandler);
+
+var getDomain = function() {
+    var domain = process.domain;
+    if (domain === undefined) {
+        return null;
+    }
+    return domain;
+};
+var getContextDefault = function() {
+    return null;
+};
+var getContextDomain = function() {
+    return {
+        domain: getDomain(),
+        async: null
+    };
+};
+var AsyncResource = util.isNode && util.nodeSupportsAsyncResource ?
+    _dereq_("async_hooks").AsyncResource : null;
+var getContextAsyncHooks = function() {
+    return {
+        domain: getDomain(),
+        async: new AsyncResource("Bluebird::Promise")
+    };
+};
+var getContext = util.isNode ? getContextDomain : getContextDefault;
+util.notEnumerableProp(Promise, "_getContext", getContext);
+var enableAsyncHooks = function() {
+    getContext = getContextAsyncHooks;
+    util.notEnumerableProp(Promise, "_getContext", getContextAsyncHooks);
+};
+var disableAsyncHooks = function() {
+    getContext = getContextDomain;
+    util.notEnumerableProp(Promise, "_getContext", getContextDomain);
+};
+
+var es5 = _dereq_("./es5");
+var Async = _dereq_("./async");
+var async = new Async();
+es5.defineProperty(Promise, "_async", {value: async});
+var errors = _dereq_("./errors");
+var TypeError = Promise.TypeError = errors.TypeError;
+Promise.RangeError = errors.RangeError;
+var CancellationError = Promise.CancellationError = errors.CancellationError;
+Promise.TimeoutError = errors.TimeoutError;
+Promise.OperationalError = errors.OperationalError;
+Promise.RejectionError = errors.OperationalError;
+Promise.AggregateError = errors.AggregateError;
+var INTERNAL = function(){};
+var APPLY = {};
+var NEXT_FILTER = {};
+var tryConvertToPromise = _dereq_("./thenables")(Promise, INTERNAL);
+var PromiseArray =
+    _dereq_("./promise_array")(Promise, INTERNAL,
+                               tryConvertToPromise, apiRejection, Proxyable);
+var Context = _dereq_("./context")(Promise);
+ /*jshint unused:false*/
+var createContext = Context.create;
+
+var debug = _dereq_("./debuggability")(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks);
+var CapturedTrace = debug.CapturedTrace;
+var PassThroughHandlerContext =
+    _dereq_("./finally")(Promise, tryConvertToPromise, NEXT_FILTER);
+var catchFilter = _dereq_("./catch_filter")(NEXT_FILTER);
+var nodebackForPromise = _dereq_("./nodeback");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+function check(self, executor) {
+    if (self == null || self.constructor !== Promise) {
+        throw new TypeError("the promise constructor cannot be invoked directly\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (typeof executor !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(executor));
+    }
+
+}
+
+function Promise(executor) {
+    if (executor !== INTERNAL) {
+        check(this, executor);
+    }
+    this._bitField = 0;
+    this._fulfillmentHandler0 = undefined;
+    this._rejectionHandler0 = undefined;
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._resolveFromExecutor(executor);
+    this._promiseCreated();
+    this._fireEvent("promiseCreated", this);
+}
+
+Promise.prototype.toString = function () {
+    return "[object Promise]";
+};
+
+Promise.prototype.caught = Promise.prototype["catch"] = function (fn) {
+    var len = arguments.length;
+    if (len > 1) {
+        var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return apiRejection("Catch statement predicate: " +
+                    "expecting an object but got " + util.classString(item));
+            }
+        }
+        catchInstances.length = j;
+        fn = arguments[i];
+
+        if (typeof fn !== "function") {
+            throw new TypeError("The last argument to .catch() " +
+                "must be a function, got " + util.toString(fn));
+        }
+        return this.then(undefined, catchFilter(catchInstances, fn, this));
+    }
+    return this.then(undefined, fn);
+};
+
+Promise.prototype.reflect = function () {
+    return this._then(reflectHandler,
+        reflectHandler, undefined, this, undefined);
+};
+
+Promise.prototype.then = function (didFulfill, didReject) {
+    if (debug.warnings() && arguments.length > 0 &&
+        typeof didFulfill !== "function" &&
+        typeof didReject !== "function") {
+        var msg = ".then() only accepts functions but was passed: " +
+                util.classString(didFulfill);
+        if (arguments.length > 1) {
+            msg += ", " + util.classString(didReject);
+        }
+        this._warn(msg);
+    }
+    return this._then(didFulfill, didReject, undefined, undefined, undefined);
+};
+
+Promise.prototype.done = function (didFulfill, didReject) {
+    var promise =
+        this._then(didFulfill, didReject, undefined, undefined, undefined);
+    promise._setIsFinal();
+};
+
+Promise.prototype.spread = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    return this.all()._then(fn, undefined, undefined, APPLY, undefined);
+};
+
+Promise.prototype.toJSON = function () {
+    var ret = {
+        isFulfilled: false,
+        isRejected: false,
+        fulfillmentValue: undefined,
+        rejectionReason: undefined
+    };
+    if (this.isFulfilled()) {
+        ret.fulfillmentValue = this.value();
+        ret.isFulfilled = true;
+    } else if (this.isRejected()) {
+        ret.rejectionReason = this.reason();
+        ret.isRejected = true;
+    }
+    return ret;
+};
+
+Promise.prototype.all = function () {
+    if (arguments.length > 0) {
+        this._warn(".all() was passed arguments but it does not take any");
+    }
+    return new PromiseArray(this).promise();
+};
+
+Promise.prototype.error = function (fn) {
+    return this.caught(util.originatesFromRejection, fn);
+};
+
+Promise.getNewLibraryCopy = module.exports;
+
+Promise.is = function (val) {
+    return val instanceof Promise;
+};
+
+Promise.fromNode = Promise.fromCallback = function(fn) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    var multiArgs = arguments.length > 1 ? !!Object(arguments[1]).multiArgs
+                                         : false;
+    var result = tryCatch(fn)(nodebackForPromise(ret, multiArgs));
+    if (result === errorObj) {
+        ret._rejectCallback(result.e, true);
+    }
+    if (!ret._isFateSealed()) ret._setAsyncGuaranteed();
+    return ret;
+};
+
+Promise.all = function (promises) {
+    return new PromiseArray(promises).promise();
+};
+
+Promise.cast = function (obj) {
+    var ret = tryConvertToPromise(obj);
+    if (!(ret instanceof Promise)) {
+        ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._setFulfilled();
+        ret._rejectionHandler0 = obj;
+    }
+    return ret;
+};
+
+Promise.resolve = Promise.fulfilled = Promise.cast;
+
+Promise.reject = Promise.rejected = function (reason) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._rejectCallback(reason, true);
+    return ret;
+};
+
+Promise.setScheduler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return async.setScheduler(fn);
+};
+
+Promise.prototype._then = function (
+    didFulfill,
+    didReject,
+    _,    receiver,
+    internalData
+) {
+    var haveInternalData = internalData !== undefined;
+    var promise = haveInternalData ? internalData : new Promise(INTERNAL);
+    var target = this._target();
+    var bitField = target._bitField;
+
+    if (!haveInternalData) {
+        promise._propagateFrom(this, 3);
+        promise._captureStackTrace();
+        if (receiver === undefined &&
+            ((this._bitField & 2097152) !== 0)) {
+            if (!((bitField & 50397184) === 0)) {
+                receiver = this._boundValue();
+            } else {
+                receiver = target === this ? undefined : this._boundTo;
+            }
+        }
+        this._fireEvent("promiseChained", this, promise);
+    }
+
+    var context = getContext();
+    if (!((bitField & 50397184) === 0)) {
+        var handler, value, settler = target._settlePromiseCtx;
+        if (((bitField & 33554432) !== 0)) {
+            value = target._rejectionHandler0;
+            handler = didFulfill;
+        } else if (((bitField & 16777216) !== 0)) {
+            value = target._fulfillmentHandler0;
+            handler = didReject;
+            target._unsetRejectionIsUnhandled();
+        } else {
+            settler = target._settlePromiseLateCancellationObserver;
+            value = new CancellationError("late cancellation observer");
+            target._attachExtraTrace(value);
+            handler = didReject;
+        }
+
+        async.invoke(settler, target, {
+            handler: util.contextBind(context, handler),
+            promise: promise,
+            receiver: receiver,
+            value: value
+        });
+    } else {
+        target._addCallbacks(didFulfill, didReject, promise,
+                receiver, context);
+    }
+
+    return promise;
+};
+
+Promise.prototype._length = function () {
+    return this._bitField & 65535;
+};
+
+Promise.prototype._isFateSealed = function () {
+    return (this._bitField & 117506048) !== 0;
+};
+
+Promise.prototype._isFollowing = function () {
+    return (this._bitField & 67108864) === 67108864;
+};
+
+Promise.prototype._setLength = function (len) {
+    this._bitField = (this._bitField & -65536) |
+        (len & 65535);
+};
+
+Promise.prototype._setFulfilled = function () {
+    this._bitField = this._bitField | 33554432;
+    this._fireEvent("promiseFulfilled", this);
+};
+
+Promise.prototype._setRejected = function () {
+    this._bitField = this._bitField | 16777216;
+    this._fireEvent("promiseRejected", this);
+};
+
+Promise.prototype._setFollowing = function () {
+    this._bitField = this._bitField | 67108864;
+    this._fireEvent("promiseResolved", this);
+};
+
+Promise.prototype._setIsFinal = function () {
+    this._bitField = this._bitField | 4194304;
+};
+
+Promise.prototype._isFinal = function () {
+    return (this._bitField & 4194304) > 0;
+};
+
+Promise.prototype._unsetCancelled = function() {
+    this._bitField = this._bitField & (~65536);
+};
+
+Promise.prototype._setCancelled = function() {
+    this._bitField = this._bitField | 65536;
+    this._fireEvent("promiseCancelled", this);
+};
+
+Promise.prototype._setWillBeCancelled = function() {
+    this._bitField = this._bitField | 8388608;
+};
+
+Promise.prototype._setAsyncGuaranteed = function() {
+    if (async.hasCustomScheduler()) return;
+    var bitField = this._bitField;
+    this._bitField = bitField |
+        (((bitField & 536870912) >> 2) ^
+        134217728);
+};
+
+Promise.prototype._setNoAsyncGuarantee = function() {
+    this._bitField = (this._bitField | 536870912) &
+        (~134217728);
+};
+
+Promise.prototype._receiverAt = function (index) {
+    var ret = index === 0 ? this._receiver0 : this[
+            index * 4 - 4 + 3];
+    if (ret === UNDEFINED_BINDING) {
+        return undefined;
+    } else if (ret === undefined && this._isBound()) {
+        return this._boundValue();
+    }
+    return ret;
+};
+
+Promise.prototype._promiseAt = function (index) {
+    return this[
+            index * 4 - 4 + 2];
+};
+
+Promise.prototype._fulfillmentHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 0];
+};
+
+Promise.prototype._rejectionHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 1];
+};
+
+Promise.prototype._boundValue = function() {};
+
+Promise.prototype._migrateCallback0 = function (follower) {
+    var bitField = follower._bitField;
+    var fulfill = follower._fulfillmentHandler0;
+    var reject = follower._rejectionHandler0;
+    var promise = follower._promise0;
+    var receiver = follower._receiverAt(0);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._migrateCallbackAt = function (follower, index) {
+    var fulfill = follower._fulfillmentHandlerAt(index);
+    var reject = follower._rejectionHandlerAt(index);
+    var promise = follower._promiseAt(index);
+    var receiver = follower._receiverAt(index);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._addCallbacks = function (
+    fulfill,
+    reject,
+    promise,
+    receiver,
+    context
+) {
+    var index = this._length();
+
+    if (index >= 65535 - 4) {
+        index = 0;
+        this._setLength(0);
+    }
+
+    if (index === 0) {
+        this._promise0 = promise;
+        this._receiver0 = receiver;
+        if (typeof fulfill === "function") {
+            this._fulfillmentHandler0 = util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this._rejectionHandler0 = util.contextBind(context, reject);
+        }
+    } else {
+        var base = index * 4 - 4;
+        this[base + 2] = promise;
+        this[base + 3] = receiver;
+        if (typeof fulfill === "function") {
+            this[base + 0] =
+                util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this[base + 1] =
+                util.contextBind(context, reject);
+        }
+    }
+    this._setLength(index + 1);
+    return index;
+};
+
+Promise.prototype._proxy = function (proxyable, arg) {
+    this._addCallbacks(undefined, undefined, arg, proxyable, null);
+};
+
+Promise.prototype._resolveCallback = function(value, shouldBind) {
+    if (((this._bitField & 117506048) !== 0)) return;
+    if (value === this)
+        return this._rejectCallback(makeSelfResolutionError(), false);
+    var maybePromise = tryConvertToPromise(value, this);
+    if (!(maybePromise instanceof Promise)) return this._fulfill(value);
+
+    if (shouldBind) this._propagateFrom(maybePromise, 2);
+
+
+    var promise = maybePromise._target();
+
+    if (promise === this) {
+        this._reject(makeSelfResolutionError());
+        return;
+    }
+
+    var bitField = promise._bitField;
+    if (((bitField & 50397184) === 0)) {
+        var len = this._length();
+        if (len > 0) promise._migrateCallback0(this);
+        for (var i = 1; i < len; ++i) {
+            promise._migrateCallbackAt(this, i);
+        }
+        this._setFollowing();
+        this._setLength(0);
+        this._setFollowee(maybePromise);
+    } else if (((bitField & 33554432) !== 0)) {
+        this._fulfill(promise._value());
+    } else if (((bitField & 16777216) !== 0)) {
+        this._reject(promise._reason());
+    } else {
+        var reason = new CancellationError("late cancellation observer");
+        promise._attachExtraTrace(reason);
+        this._reject(reason);
+    }
+};
+
+Promise.prototype._rejectCallback =
+function(reason, synchronous, ignoreNonErrorWarnings) {
+    var trace = util.ensureErrorObject(reason);
+    var hasStack = trace === reason;
+    if (!hasStack && !ignoreNonErrorWarnings && debug.warnings()) {
+        var message = "a promise was rejected with a non-error: " +
+            util.classString(reason);
+        this._warn(message, true);
+    }
+    this._attachExtraTrace(trace, synchronous ? hasStack : false);
+    this._reject(reason);
+};
+
+Promise.prototype._resolveFromExecutor = function (executor) {
+    if (executor === INTERNAL) return;
+    var promise = this;
+    this._captureStackTrace();
+    this._pushContext();
+    var synchronous = true;
+    var r = this._execute(executor, function(value) {
+        promise._resolveCallback(value);
+    }, function (reason) {
+        promise._rejectCallback(reason, synchronous);
+    });
+    synchronous = false;
+    this._popContext();
+
+    if (r !== undefined) {
+        promise._rejectCallback(r, true);
+    }
+};
+
+Promise.prototype._settlePromiseFromHandler = function (
+    handler, receiver, value, promise
+) {
+    var bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+    promise._pushContext();
+    var x;
+    if (receiver === APPLY) {
+        if (!value || typeof value.length !== "number") {
+            x = errorObj;
+            x.e = new TypeError("cannot .spread() a non-array: " +
+                                    util.classString(value));
+        } else {
+            x = tryCatch(handler).apply(this._boundValue(), value);
+        }
+    } else {
+        x = tryCatch(handler).call(receiver, value);
+    }
+    var promiseCreated = promise._popContext();
+    bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+
+    if (x === NEXT_FILTER) {
+        promise._reject(value);
+    } else if (x === errorObj) {
+        promise._rejectCallback(x.e, false);
+    } else {
+        debug.checkForgottenReturns(x, promiseCreated, "",  promise, this);
+        promise._resolveCallback(x);
+    }
+};
+
+Promise.prototype._target = function() {
+    var ret = this;
+    while (ret._isFollowing()) ret = ret._followee();
+    return ret;
+};
+
+Promise.prototype._followee = function() {
+    return this._rejectionHandler0;
+};
+
+Promise.prototype._setFollowee = function(promise) {
+    this._rejectionHandler0 = promise;
+};
+
+Promise.prototype._settlePromise = function(promise, handler, receiver, value) {
+    var isPromise = promise instanceof Promise;
+    var bitField = this._bitField;
+    var asyncGuaranteed = ((bitField & 134217728) !== 0);
+    if (((bitField & 65536) !== 0)) {
+        if (isPromise) promise._invokeInternalOnCancel();
+
+        if (receiver instanceof PassThroughHandlerContext &&
+            receiver.isFinallyHandler()) {
+            receiver.cancelPromise = promise;
+            if (tryCatch(handler).call(receiver, value) === errorObj) {
+                promise._reject(errorObj.e);
+            }
+        } else if (handler === reflectHandler) {
+            promise._fulfill(reflectHandler.call(receiver));
+        } else if (receiver instanceof Proxyable) {
+            receiver._promiseCancelled(promise);
+        } else if (isPromise || promise instanceof PromiseArray) {
+            promise._cancel();
+        } else {
+            receiver.cancel();
+        }
+    } else if (typeof handler === "function") {
+        if (!isPromise) {
+            handler.call(receiver, value, promise);
+        } else {
+            if (asyncGuaranteed) promise._setAsyncGuaranteed();
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (receiver instanceof Proxyable) {
+        if (!receiver._isResolved()) {
+            if (((bitField & 33554432) !== 0)) {
+                receiver._promiseFulfilled(value, promise);
+            } else {
+                receiver._promiseRejected(value, promise);
+            }
+        }
+    } else if (isPromise) {
+        if (asyncGuaranteed) promise._setAsyncGuaranteed();
+        if (((bitField & 33554432) !== 0)) {
+            promise._fulfill(value);
+        } else {
+            promise._reject(value);
+        }
+    }
+};
+
+Promise.prototype._settlePromiseLateCancellationObserver = function(ctx) {
+    var handler = ctx.handler;
+    var promise = ctx.promise;
+    var receiver = ctx.receiver;
+    var value = ctx.value;
+    if (typeof handler === "function") {
+        if (!(promise instanceof Promise)) {
+            handler.call(receiver, value, promise);
+        } else {
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (promise instanceof Promise) {
+        promise._reject(value);
+    }
+};
+
+Promise.prototype._settlePromiseCtx = function(ctx) {
+    this._settlePromise(ctx.promise, ctx.handler, ctx.receiver, ctx.value);
+};
+
+Promise.prototype._settlePromise0 = function(handler, value, bitField) {
+    var promise = this._promise0;
+    var receiver = this._receiverAt(0);
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._settlePromise(promise, handler, receiver, value);
+};
+
+Promise.prototype._clearCallbackDataAtIndex = function(index) {
+    var base = index * 4 - 4;
+    this[base + 2] =
+    this[base + 3] =
+    this[base + 0] =
+    this[base + 1] = undefined;
+};
+
+Promise.prototype._fulfill = function (value) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    if (value === this) {
+        var err = makeSelfResolutionError();
+        this._attachExtraTrace(err);
+        return this._reject(err);
+    }
+    this._setFulfilled();
+    this._rejectionHandler0 = value;
+
+    if ((bitField & 65535) > 0) {
+        if (((bitField & 134217728) !== 0)) {
+            this._settlePromises();
+        } else {
+            async.settlePromises(this);
+        }
+        this._dereferenceTrace();
+    }
+};
+
+Promise.prototype._reject = function (reason) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    this._setRejected();
+    this._fulfillmentHandler0 = reason;
+
+    if (this._isFinal()) {
+        return async.fatalError(reason, util.isNode);
+    }
+
+    if ((bitField & 65535) > 0) {
+        async.settlePromises(this);
+    } else {
+        this._ensurePossibleRejectionHandled();
+    }
+};
+
+Promise.prototype._fulfillPromises = function (len, value) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._fulfillmentHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, value);
+    }
+};
+
+Promise.prototype._rejectPromises = function (len, reason) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._rejectionHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, reason);
+    }
+};
+
+Promise.prototype._settlePromises = function () {
+    var bitField = this._bitField;
+    var len = (bitField & 65535);
+
+    if (len > 0) {
+        if (((bitField & 16842752) !== 0)) {
+            var reason = this._fulfillmentHandler0;
+            this._settlePromise0(this._rejectionHandler0, reason, bitField);
+            this._rejectPromises(len, reason);
+        } else {
+            var value = this._rejectionHandler0;
+            this._settlePromise0(this._fulfillmentHandler0, value, bitField);
+            this._fulfillPromises(len, value);
+        }
+        this._setLength(0);
+    }
+    this._clearCancellationData();
+};
+
+Promise.prototype._settledValue = function() {
+    var bitField = this._bitField;
+    if (((bitField & 33554432) !== 0)) {
+        return this._rejectionHandler0;
+    } else if (((bitField & 16777216) !== 0)) {
+        return this._fulfillmentHandler0;
+    }
+};
+
+if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
+    es5.defineProperty(Promise.prototype, Symbol.toStringTag, {
+        get: function () {
+            return "Object";
+        }
+    });
+}
+
+function deferResolve(v) {this.promise._resolveCallback(v);}
+function deferReject(v) {this.promise._rejectCallback(v, false);}
+
+Promise.defer = Promise.pending = function() {
+    debug.deprecated("Promise.defer", "new Promise");
+    var promise = new Promise(INTERNAL);
+    return {
+        promise: promise,
+        resolve: deferResolve,
+        reject: deferReject
+    };
+};
+
+util.notEnumerableProp(Promise,
+                       "_makeSelfResolutionError",
+                       makeSelfResolutionError);
+
+_dereq_("./method")(Promise, INTERNAL, tryConvertToPromise, apiRejection,
+    debug);
+_dereq_("./bind")(Promise, INTERNAL, tryConvertToPromise, debug);
+_dereq_("./cancel")(Promise, PromiseArray, apiRejection, debug);
+_dereq_("./direct_resolve")(Promise);
+_dereq_("./synchronous_inspection")(Promise);
+_dereq_("./join")(
+    Promise, PromiseArray, tryConvertToPromise, INTERNAL, async);
+Promise.Promise = Promise;
+Promise.version = "3.7.2";
+_dereq_('./call_get.js')(Promise);
+_dereq_('./generators.js')(Promise, apiRejection, INTERNAL, tryConvertToPromise, Proxyable, debug);
+_dereq_('./map.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL, debug);
+_dereq_('./nodeify.js')(Promise);
+_dereq_('./promisify.js')(Promise, INTERNAL);
+_dereq_('./props.js')(Promise, PromiseArray, tryConvertToPromise, apiRejection);
+_dereq_('./race.js')(Promise, INTERNAL, tryConvertToPromise, apiRejection);
+_dereq_('./reduce.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL, debug);
+_dereq_('./settle.js')(Promise, PromiseArray, debug);
+_dereq_('./some.js')(Promise, PromiseArray, apiRejection);
+_dereq_('./timers.js')(Promise, INTERNAL, debug);
+_dereq_('./using.js')(Promise, apiRejection, tryConvertToPromise, createContext, INTERNAL, debug);
+_dereq_('./any.js')(Promise);
+_dereq_('./each.js')(Promise, INTERNAL);
+_dereq_('./filter.js')(Promise, INTERNAL);
+                                                         
+    util.toFastProperties(Promise);                                          
+    util.toFastProperties(Promise.prototype);                                
+    function fillTypes(value) {                                              
+        var p = new Promise(INTERNAL);                                       
+        p._fulfillmentHandler0 = value;                                      
+        p._rejectionHandler0 = value;                                        
+        p._promise0 = value;                                                 
+        p._receiver0 = value;                                                
+    }                                                                        
+    // Complete slack tracking, opt out of field-type tracking and           
+    // stabilize map                                                         
+    fillTypes({a: 1});                                                       
+    fillTypes({b: 2});                                                       
+    fillTypes({c: 3});                                                       
+    fillTypes(1);                                                            
+    fillTypes(function(){});                                                 
+    fillTypes(undefined);                                                    
+    fillTypes(false);                                                        
+    fillTypes(new Promise(INTERNAL));                                        
+    debug.setBounds(Async.firstLineError, util.lastLineError);               
+    return Promise;                                                          
+
+};
+
+},{"./any.js":1,"./async":2,"./bind":3,"./call_get.js":5,"./cancel":6,"./catch_filter":7,"./context":8,"./debuggability":9,"./direct_resolve":10,"./each.js":11,"./errors":12,"./es5":13,"./filter.js":14,"./finally":15,"./generators.js":16,"./join":17,"./map.js":18,"./method":19,"./nodeback":20,"./nodeify.js":21,"./promise_array":23,"./promisify.js":24,"./props.js":25,"./race.js":27,"./reduce.js":28,"./settle.js":30,"./some.js":31,"./synchronous_inspection":32,"./thenables":33,"./timers.js":34,"./using.js":35,"./util":36,"async_hooks":undefined}],23:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise,
+    apiRejection, Proxyable) {
+var util = _dereq_("./util");
+var isArray = util.isArray;
+
+function toResolutionValue(val) {
+    switch(val) {
+    case -2: return [];
+    case -3: return {};
+    case -6: return new Map();
+    }
+}
+
+function PromiseArray(values) {
+    var promise = this._promise = new Promise(INTERNAL);
+    if (values instanceof Promise) {
+        promise._propagateFrom(values, 3);
+        values.suppressUnhandledRejections();
+    }
+    promise._setOnCancel(this);
+    this._values = values;
+    this._length = 0;
+    this._totalResolved = 0;
+    this._init(undefined, -2);
+}
+util.inherits(PromiseArray, Proxyable);
+
+PromiseArray.prototype.length = function () {
+    return this._length;
+};
+
+PromiseArray.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) {
+    var values = tryConvertToPromise(this._values, this._promise);
+    if (values instanceof Promise) {
+        values = values._target();
+        var bitField = values._bitField;
+        ;
+        this._values = values;
+
+        if (((bitField & 50397184) === 0)) {
+            this._promise._setAsyncGuaranteed();
+            return values._then(
+                init,
+                this._reject,
+                undefined,
+                this,
+                resolveValueIfEmpty
+           );
+        } else if (((bitField & 33554432) !== 0)) {
+            values = values._value();
+        } else if (((bitField & 16777216) !== 0)) {
+            return this._reject(values._reason());
+        } else {
+            return this._cancel();
+        }
+    }
+    values = util.asArray(values);
+    if (values === null) {
+        var err = apiRejection(
+            "expecting an array or an iterable object but got " + util.classString(values)).reason();
+        this._promise._rejectCallback(err, false);
+        return;
+    }
+
+    if (values.length === 0) {
+        if (resolveValueIfEmpty === -5) {
+            this._resolveEmptyArray();
+        }
+        else {
+            this._resolve(toResolutionValue(resolveValueIfEmpty));
+        }
+        return;
+    }
+    this._iterate(values);
+};
+
+PromiseArray.prototype._iterate = function(values) {
+    var len = this.getActualLength(values.length);
+    this._length = len;
+    this._values = this.shouldCopyValues() ? new Array(len) : this._values;
+    var result = this._promise;
+    var isResolved = false;
+    var bitField = null;
+    for (var i = 0; i < len; ++i) {
+        var maybePromise = tryConvertToPromise(values[i], result);
+
+        if (maybePromise instanceof Promise) {
+            maybePromise = maybePromise._target();
+            bitField = maybePromise._bitField;
+        } else {
+            bitField = null;
+        }
+
+        if (isResolved) {
+            if (bitField !== null) {
+                maybePromise.suppressUnhandledRejections();
+            }
+        } else if (bitField !== null) {
+            if (((bitField & 50397184) === 0)) {
+                maybePromise._proxy(this, i);
+                this._values[i] = maybePromise;
+            } else if (((bitField & 33554432) !== 0)) {
+                isResolved = this._promiseFulfilled(maybePromise._value(), i);
+            } else if (((bitField & 16777216) !== 0)) {
+                isResolved = this._promiseRejected(maybePromise._reason(), i);
+            } else {
+                isResolved = this._promiseCancelled(i);
+            }
+        } else {
+            isResolved = this._promiseFulfilled(maybePromise, i);
+        }
+    }
+    if (!isResolved) result._setAsyncGuaranteed();
+};
+
+PromiseArray.prototype._isResolved = function () {
+    return this._values === null;
+};
+
+PromiseArray.prototype._resolve = function (value) {
+    this._values = null;
+    this._promise._fulfill(value);
+};
+
+PromiseArray.prototype._cancel = function() {
+    if (this._isResolved() || !this._promise._isCancellable()) return;
+    this._values = null;
+    this._promise._cancel();
+};
+
+PromiseArray.prototype._reject = function (reason) {
+    this._values = null;
+    this._promise._rejectCallback(reason, false);
+};
+
+PromiseArray.prototype._promiseFulfilled = function (value, index) {
+    this._values[index] = value;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        this._resolve(this._values);
+        return true;
+    }
+    return false;
+};
+
+PromiseArray.prototype._promiseCancelled = function() {
+    this._cancel();
+    return true;
+};
+
+PromiseArray.prototype._promiseRejected = function (reason) {
+    this._totalResolved++;
+    this._reject(reason);
+    return true;
+};
+
+PromiseArray.prototype._resultCancelled = function() {
+    if (this._isResolved()) return;
+    var values = this._values;
+    this._cancel();
+    if (values instanceof Promise) {
+        values.cancel();
+    } else {
+        for (var i = 0; i < values.length; ++i) {
+            if (values[i] instanceof Promise) {
+                values[i].cancel();
+            }
+        }
+    }
+};
+
+PromiseArray.prototype.shouldCopyValues = function () {
+    return true;
+};
+
+PromiseArray.prototype.getActualLength = function (len) {
+    return len;
+};
+
+return PromiseArray;
+};
+
+},{"./util":36}],24:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var THIS = {};
+var util = _dereq_("./util");
+var nodebackForPromise = _dereq_("./nodeback");
+var withAppended = util.withAppended;
+var maybeWrapAsError = util.maybeWrapAsError;
+var canEvaluate = util.canEvaluate;
+var TypeError = _dereq_("./errors").TypeError;
+var defaultSuffix = "Async";
+var defaultPromisified = {__isPromisified__: true};
+var noCopyProps = [
+    "arity",    "length",
+    "name",
+    "arguments",
+    "caller",
+    "callee",
+    "prototype",
+    "__isPromisified__"
+];
+var noCopyPropsPattern = new RegExp("^(?:" + noCopyProps.join("|") + ")$");
+
+var defaultFilter = function(name) {
+    return util.isIdentifier(name) &&
+        name.charAt(0) !== "_" &&
+        name !== "constructor";
+};
+
+function propsFilter(key) {
+    return !noCopyPropsPattern.test(key);
+}
+
+function isPromisified(fn) {
+    try {
+        return fn.__isPromisified__ === true;
+    }
+    catch (e) {
+        return false;
+    }
+}
+
+function hasPromisified(obj, key, suffix) {
+    var val = util.getDataPropertyOrDefault(obj, key + suffix,
+                                            defaultPromisified);
+    return val ? isPromisified(val) : false;
+}
+function checkValid(ret, suffix, suffixRegexp) {
+    for (var i = 0; i < ret.length; i += 2) {
+        var key = ret[i];
+        if (suffixRegexp.test(key)) {
+            var keyWithoutAsyncSuffix = key.replace(suffixRegexp, "");
+            for (var j = 0; j < ret.length; j += 2) {
+                if (ret[j] === keyWithoutAsyncSuffix) {
+                    throw new TypeError("Cannot promisify an API that has normal methods with '%s'-suffix\u000a\u000a    See http://goo.gl/MqrFmX\u000a"
+                        .replace("%s", suffix));
+                }
+            }
+        }
+    }
+}
+
+function promisifiableMethods(obj, suffix, suffixRegexp, filter) {
+    var keys = util.inheritedDataKeys(obj);
+    var ret = [];
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var value = obj[key];
+        var passesDefaultFilter = filter === defaultFilter
+            ? true : defaultFilter(key, value, obj);
+        if (typeof value === "function" &&
+            !isPromisified(value) &&
+            !hasPromisified(obj, key, suffix) &&
+            filter(key, value, obj, passesDefaultFilter)) {
+            ret.push(key, value);
+        }
+    }
+    checkValid(ret, suffix, suffixRegexp);
+    return ret;
+}
+
+var escapeIdentRegex = function(str) {
+    return str.replace(/([$])/, "\\$");
+};
+
+var makeNodePromisifiedEval;
+if (!true) {
+var switchCaseArgumentOrder = function(likelyArgumentCount) {
+    var ret = [likelyArgumentCount];
+    var min = Math.max(0, likelyArgumentCount - 1 - 3);
+    for(var i = likelyArgumentCount - 1; i >= min; --i) {
+        ret.push(i);
+    }
+    for(var i = likelyArgumentCount + 1; i <= 3; ++i) {
+        ret.push(i);
+    }
+    return ret;
+};
+
+var argumentSequence = function(argumentCount) {
+    return util.filledRange(argumentCount, "_arg", "");
+};
+
+var parameterDeclaration = function(parameterCount) {
+    return util.filledRange(
+        Math.max(parameterCount, 3), "_arg", "");
+};
+
+var parameterCount = function(fn) {
+    if (typeof fn.length === "number") {
+        return Math.max(Math.min(fn.length, 1023 + 1), 0);
+    }
+    return 0;
+};
+
+makeNodePromisifiedEval =
+function(callback, receiver, originalName, fn, _, multiArgs) {
+    var newParameterCount = Math.max(0, parameterCount(fn) - 1);
+    var argumentOrder = switchCaseArgumentOrder(newParameterCount);
+    var shouldProxyThis = typeof callback === "string" || receiver === THIS;
+
+    function generateCallForArgumentCount(count) {
+        var args = argumentSequence(count).join(", ");
+        var comma = count > 0 ? ", " : "";
+        var ret;
+        if (shouldProxyThis) {
+            ret = "ret = callback.call(this, {{args}}, nodeback); break;\n";
+        } else {
+            ret = receiver === undefined
+                ? "ret = callback({{args}}, nodeback); break;\n"
+                : "ret = callback.call(receiver, {{args}}, nodeback); break;\n";
+        }
+        return ret.replace("{{args}}", args).replace(", ", comma);
+    }
+
+    function generateArgumentSwitchCase() {
+        var ret = "";
+        for (var i = 0; i < argumentOrder.length; ++i) {
+            ret += "case " + argumentOrder[i] +":" +
+                generateCallForArgumentCount(argumentOrder[i]);
+        }
+
+        ret += "                                                             \n\
+        default:                                                             \n\
+            var args = new Array(len + 1);                                   \n\
+            var i = 0;                                                       \n\
+            for (var i = 0; i < len; ++i) {                                  \n\
+               args[i] = arguments[i];                                       \n\
+            }                                                                \n\
+            args[i] = nodeback;                                              \n\
+            [CodeForCall]                                                    \n\
+            break;                                                           \n\
+        ".replace("[CodeForCall]", (shouldProxyThis
+                                ? "ret = callback.apply(this, args);\n"
+                                : "ret = callback.apply(receiver, args);\n"));
+        return ret;
+    }
+
+    var getFunctionCode = typeof callback === "string"
+                                ? ("this != null ? this['"+callback+"'] : fn")
+                                : "fn";
+    var body = "'use strict';                                                \n\
+        var ret = function (Parameters) {                                    \n\
+            'use strict';                                                    \n\
+            var len = arguments.length;                                      \n\
+            var promise = new Promise(INTERNAL);                             \n\
+            promise._captureStackTrace();                                    \n\
+            var nodeback = nodebackForPromise(promise, " + multiArgs + ");   \n\
+            var ret;                                                         \n\
+            var callback = tryCatch([GetFunctionCode]);                      \n\
+            switch(len) {                                                    \n\
+                [CodeForSwitchCase]                                          \n\
+            }                                                                \n\
+            if (ret === errorObj) {                                          \n\
+                promise._rejectCallback(maybeWrapAsError(ret.e), true, true);\n\
+            }                                                                \n\
+            if (!promise._isFateSealed()) promise._setAsyncGuaranteed();     \n\
+            return promise;                                                  \n\
+        };                                                                   \n\
+        notEnumerableProp(ret, '__isPromisified__', true);                   \n\
+        return ret;                                                          \n\
+    ".replace("[CodeForSwitchCase]", generateArgumentSwitchCase())
+        .replace("[GetFunctionCode]", getFunctionCode);
+    body = body.replace("Parameters", parameterDeclaration(newParameterCount));
+    return new Function("Promise",
+                        "fn",
+                        "receiver",
+                        "withAppended",
+                        "maybeWrapAsError",
+                        "nodebackForPromise",
+                        "tryCatch",
+                        "errorObj",
+                        "notEnumerableProp",
+                        "INTERNAL",
+                        body)(
+                    Promise,
+                    fn,
+                    receiver,
+                    withAppended,
+                    maybeWrapAsError,
+                    nodebackForPromise,
+                    util.tryCatch,
+                    util.errorObj,
+                    util.notEnumerableProp,
+                    INTERNAL);
+};
+}
+
+function makeNodePromisifiedClosure(callback, receiver, _, fn, __, multiArgs) {
+    var defaultThis = (function() {return this;})();
+    var method = callback;
+    if (typeof method === "string") {
+        callback = fn;
+    }
+    function promisified() {
+        var _receiver = receiver;
+        if (receiver === THIS) _receiver = this;
+        var promise = new Promise(INTERNAL);
+        promise._captureStackTrace();
+        var cb = typeof method === "string" && this !== defaultThis
+            ? this[method] : callback;
+        var fn = nodebackForPromise(promise, multiArgs);
+        try {
+            cb.apply(_receiver, withAppended(arguments, fn));
+        } catch(e) {
+            promise._rejectCallback(maybeWrapAsError(e), true, true);
+        }
+        if (!promise._isFateSealed()) promise._setAsyncGuaranteed();
+        return promise;
+    }
+    util.notEnumerableProp(promisified, "__isPromisified__", true);
+    return promisified;
+}
+
+var makeNodePromisified = canEvaluate
+    ? makeNodePromisifiedEval
+    : makeNodePromisifiedClosure;
+
+function promisifyAll(obj, suffix, filter, promisifier, multiArgs) {
+    var suffixRegexp = new RegExp(escapeIdentRegex(suffix) + "$");
+    var methods =
+        promisifiableMethods(obj, suffix, suffixRegexp, filter);
+
+    for (var i = 0, len = methods.length; i < len; i+= 2) {
+        var key = methods[i];
+        var fn = methods[i+1];
+        var promisifiedKey = key + suffix;
+        if (promisifier === makeNodePromisified) {
+            obj[promisifiedKey] =
+                makeNodePromisified(key, THIS, key, fn, suffix, multiArgs);
+        } else {
+            var promisified = promisifier(fn, function() {
+                return makeNodePromisified(key, THIS, key,
+                                           fn, suffix, multiArgs);
+            });
+            util.notEnumerableProp(promisified, "__isPromisified__", true);
+            obj[promisifiedKey] = promisified;
+        }
+    }
+    util.toFastProperties(obj);
+    return obj;
+}
+
+function promisify(callback, receiver, multiArgs) {
+    return makeNodePromisified(callback, receiver, undefined,
+                                callback, null, multiArgs);
+}
+
+Promise.promisify = function (fn, options) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    if (isPromisified(fn)) {
+        return fn;
+    }
+    options = Object(options);
+    var receiver = options.context === undefined ? THIS : options.context;
+    var multiArgs = !!options.multiArgs;
+    var ret = promisify(fn, receiver, multiArgs);
+    util.copyDescriptors(fn, ret, propsFilter);
+    return ret;
+};
+
+Promise.promisifyAll = function (target, options) {
+    if (typeof target !== "function" && typeof target !== "object") {
+        throw new TypeError("the target of promisifyAll must be an object or a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    options = Object(options);
+    var multiArgs = !!options.multiArgs;
+    var suffix = options.suffix;
+    if (typeof suffix !== "string") suffix = defaultSuffix;
+    var filter = options.filter;
+    if (typeof filter !== "function") filter = defaultFilter;
+    var promisifier = options.promisifier;
+    if (typeof promisifier !== "function") promisifier = makeNodePromisified;
+
+    if (!util.isIdentifier(suffix)) {
+        throw new RangeError("suffix must be a valid identifier\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+
+    var keys = util.inheritedDataKeys(target);
+    for (var i = 0; i < keys.length; ++i) {
+        var value = target[keys[i]];
+        if (keys[i] !== "constructor" &&
+            util.isClass(value)) {
+            promisifyAll(value.prototype, suffix, filter, promisifier,
+                multiArgs);
+            promisifyAll(value, suffix, filter, promisifier, multiArgs);
+        }
+    }
+
+    return promisifyAll(target, suffix, filter, promisifier, multiArgs);
+};
+};
+
+
+},{"./errors":12,"./nodeback":20,"./util":36}],25:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(
+    Promise, PromiseArray, tryConvertToPromise, apiRejection) {
+var util = _dereq_("./util");
+var isObject = util.isObject;
+var es5 = _dereq_("./es5");
+var Es6Map;
+if (typeof Map === "function") Es6Map = Map;
+
+var mapToEntries = (function() {
+    var index = 0;
+    var size = 0;
+
+    function extractEntry(value, key) {
+        this[index] = value;
+        this[index + size] = key;
+        index++;
+    }
+
+    return function mapToEntries(map) {
+        size = map.size;
+        index = 0;
+        var ret = new Array(map.size * 2);
+        map.forEach(extractEntry, ret);
+        return ret;
+    };
+})();
+
+var entriesToMap = function(entries) {
+    var ret = new Es6Map();
+    var length = entries.length / 2 | 0;
+    for (var i = 0; i < length; ++i) {
+        var key = entries[length + i];
+        var value = entries[i];
+        ret.set(key, value);
+    }
+    return ret;
+};
+
+function PropertiesPromiseArray(obj) {
+    var isMap = false;
+    var entries;
+    if (Es6Map !== undefined && obj instanceof Es6Map) {
+        entries = mapToEntries(obj);
+        isMap = true;
+    } else {
+        var keys = es5.keys(obj);
+        var len = keys.length;
+        entries = new Array(len * 2);
+        for (var i = 0; i < len; ++i) {
+            var key = keys[i];
+            entries[i] = obj[key];
+            entries[i + len] = key;
+        }
+    }
+    this.constructor$(entries);
+    this._isMap = isMap;
+    this._init$(undefined, isMap ? -6 : -3);
+}
+util.inherits(PropertiesPromiseArray, PromiseArray);
+
+PropertiesPromiseArray.prototype._init = function () {};
+
+PropertiesPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    this._values[index] = value;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        var val;
+        if (this._isMap) {
+            val = entriesToMap(this._values);
+        } else {
+            val = {};
+            var keyOffset = this.length();
+            for (var i = 0, len = this.length(); i < len; ++i) {
+                val[this._values[i + keyOffset]] = this._values[i];
+            }
+        }
+        this._resolve(val);
+        return true;
+    }
+    return false;
+};
+
+PropertiesPromiseArray.prototype.shouldCopyValues = function () {
+    return false;
+};
+
+PropertiesPromiseArray.prototype.getActualLength = function (len) {
+    return len >> 1;
+};
+
+function props(promises) {
+    var ret;
+    var castValue = tryConvertToPromise(promises);
+
+    if (!isObject(castValue)) {
+        return apiRejection("cannot await properties of a non-object\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    } else if (castValue instanceof Promise) {
+        ret = castValue._then(
+            Promise.props, undefined, undefined, undefined, undefined);
+    } else {
+        ret = new PropertiesPromiseArray(castValue).promise();
+    }
+
+    if (castValue instanceof Promise) {
+        ret._propagateFrom(castValue, 2);
+    }
+    return ret;
+}
+
+Promise.prototype.props = function () {
+    return props(this);
+};
+
+Promise.props = function (promises) {
+    return props(promises);
+};
+};
+
+},{"./es5":13,"./util":36}],26:[function(_dereq_,module,exports){
+"use strict";
+function arrayMove(src, srcIndex, dst, dstIndex, len) {
+    for (var j = 0; j < len; ++j) {
+        dst[j + dstIndex] = src[j + srcIndex];
+        src[j + srcIndex] = void 0;
+    }
+}
+
+function Queue(capacity) {
+    this._capacity = capacity;
+    this._length = 0;
+    this._front = 0;
+}
+
+Queue.prototype._willBeOverCapacity = function (size) {
+    return this._capacity < size;
+};
+
+Queue.prototype._pushOne = function (arg) {
+    var length = this.length();
+    this._checkCapacity(length + 1);
+    var i = (this._front + length) & (this._capacity - 1);
+    this[i] = arg;
+    this._length = length + 1;
+};
+
+Queue.prototype.push = function (fn, receiver, arg) {
+    var length = this.length() + 3;
+    if (this._willBeOverCapacity(length)) {
+        this._pushOne(fn);
+        this._pushOne(receiver);
+        this._pushOne(arg);
+        return;
+    }
+    var j = this._front + length - 3;
+    this._checkCapacity(length);
+    var wrapMask = this._capacity - 1;
+    this[(j + 0) & wrapMask] = fn;
+    this[(j + 1) & wrapMask] = receiver;
+    this[(j + 2) & wrapMask] = arg;
+    this._length = length;
+};
+
+Queue.prototype.shift = function () {
+    var front = this._front,
+        ret = this[front];
+
+    this[front] = undefined;
+    this._front = (front + 1) & (this._capacity - 1);
+    this._length--;
+    return ret;
+};
+
+Queue.prototype.length = function () {
+    return this._length;
+};
+
+Queue.prototype._checkCapacity = function (size) {
+    if (this._capacity < size) {
+        this._resizeTo(this._capacity << 1);
+    }
+};
+
+Queue.prototype._resizeTo = function (capacity) {
+    var oldCapacity = this._capacity;
+    this._capacity = capacity;
+    var front = this._front;
+    var length = this._length;
+    var moveItemsCount = (front + length) & (oldCapacity - 1);
+    arrayMove(this, 0, this, oldCapacity, moveItemsCount);
+};
+
+module.exports = Queue;
+
+},{}],27:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(
+    Promise, INTERNAL, tryConvertToPromise, apiRejection) {
+var util = _dereq_("./util");
+
+var raceLater = function (promise) {
+    return promise.then(function(array) {
+        return race(array, promise);
+    });
+};
+
+function race(promises, parent) {
+    var maybePromise = tryConvertToPromise(promises);
+
+    if (maybePromise instanceof Promise) {
+        return raceLater(maybePromise);
+    } else {
+        promises = util.asArray(promises);
+        if (promises === null)
+            return apiRejection("expecting an array or an iterable object but got " + util.classString(promises));
+    }
+
+    var ret = new Promise(INTERNAL);
+    if (parent !== undefined) {
+        ret._propagateFrom(parent, 3);
+    }
+    var fulfill = ret._fulfill;
+    var reject = ret._reject;
+    for (var i = 0, len = promises.length; i < len; ++i) {
+        var val = promises[i];
+
+        if (val === undefined && !(i in promises)) {
+            continue;
+        }
+
+        Promise.cast(val)._then(fulfill, reject, undefined, ret, null);
+    }
+    return ret;
+}
+
+Promise.race = function (promises) {
+    return race(promises, undefined);
+};
+
+Promise.prototype.race = function () {
+    return race(this, undefined);
+};
+
+};
+
+},{"./util":36}],28:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise,
+                          PromiseArray,
+                          apiRejection,
+                          tryConvertToPromise,
+                          INTERNAL,
+                          debug) {
+var util = _dereq_("./util");
+var tryCatch = util.tryCatch;
+
+function ReductionPromiseArray(promises, fn, initialValue, _each) {
+    this.constructor$(promises);
+    var context = Promise._getContext();
+    this._fn = util.contextBind(context, fn);
+    if (initialValue !== undefined) {
+        initialValue = Promise.resolve(initialValue);
+        initialValue._attachCancellationCallback(this);
+    }
+    this._initialValue = initialValue;
+    this._currentCancellable = null;
+    if(_each === INTERNAL) {
+        this._eachValues = Array(this._length);
+    } else if (_each === 0) {
+        this._eachValues = null;
+    } else {
+        this._eachValues = undefined;
+    }
+    this._promise._captureStackTrace();
+    this._init$(undefined, -5);
+}
+util.inherits(ReductionPromiseArray, PromiseArray);
+
+ReductionPromiseArray.prototype._gotAccum = function(accum) {
+    if (this._eachValues !== undefined &&
+        this._eachValues !== null &&
+        accum !== INTERNAL) {
+        this._eachValues.push(accum);
+    }
+};
+
+ReductionPromiseArray.prototype._eachComplete = function(value) {
+    if (this._eachValues !== null) {
+        this._eachValues.push(value);
+    }
+    return this._eachValues;
+};
+
+ReductionPromiseArray.prototype._init = function() {};
+
+ReductionPromiseArray.prototype._resolveEmptyArray = function() {
+    this._resolve(this._eachValues !== undefined ? this._eachValues
+                                                 : this._initialValue);
+};
+
+ReductionPromiseArray.prototype.shouldCopyValues = function () {
+    return false;
+};
+
+ReductionPromiseArray.prototype._resolve = function(value) {
+    this._promise._resolveCallback(value);
+    this._values = null;
+};
+
+ReductionPromiseArray.prototype._resultCancelled = function(sender) {
+    if (sender === this._initialValue) return this._cancel();
+    if (this._isResolved()) return;
+    this._resultCancelled$();
+    if (this._currentCancellable instanceof Promise) {
+        this._currentCancellable.cancel();
+    }
+    if (this._initialValue instanceof Promise) {
+        this._initialValue.cancel();
+    }
+};
+
+ReductionPromiseArray.prototype._iterate = function (values) {
+    this._values = values;
+    var value;
+    var i;
+    var length = values.length;
+    if (this._initialValue !== undefined) {
+        value = this._initialValue;
+        i = 0;
+    } else {
+        value = Promise.resolve(values[0]);
+        i = 1;
+    }
+
+    this._currentCancellable = value;
+
+    for (var j = i; j < length; ++j) {
+        var maybePromise = values[j];
+        if (maybePromise instanceof Promise) {
+            maybePromise.suppressUnhandledRejections();
+        }
+    }
+
+    if (!value.isRejected()) {
+        for (; i < length; ++i) {
+            var ctx = {
+                accum: null,
+                value: values[i],
+                index: i,
+                length: length,
+                array: this
+            };
+
+            value = value._then(gotAccum, undefined, undefined, ctx, undefined);
+
+            if ((i & 127) === 0) {
+                value._setNoAsyncGuarantee();
+            }
+        }
+    }
+
+    if (this._eachValues !== undefined) {
+        value = value
+            ._then(this._eachComplete, undefined, undefined, this, undefined);
+    }
+    value._then(completed, completed, undefined, value, this);
+};
+
+Promise.prototype.reduce = function (fn, initialValue) {
+    return reduce(this, fn, initialValue, null);
+};
+
+Promise.reduce = function (promises, fn, initialValue, _each) {
+    return reduce(promises, fn, initialValue, _each);
+};
+
+function completed(valueOrReason, array) {
+    if (this.isFulfilled()) {
+        array._resolve(valueOrReason);
+    } else {
+        array._reject(valueOrReason);
+    }
+}
+
+function reduce(promises, fn, initialValue, _each) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    var array = new ReductionPromiseArray(promises, fn, initialValue, _each);
+    return array.promise();
+}
+
+function gotAccum(accum) {
+    this.accum = accum;
+    this.array._gotAccum(accum);
+    var value = tryConvertToPromise(this.value, this.array._promise);
+    if (value instanceof Promise) {
+        this.array._currentCancellable = value;
+        return value._then(gotValue, undefined, undefined, this, undefined);
+    } else {
+        return gotValue.call(this, value);
+    }
+}
+
+function gotValue(value) {
+    var array = this.array;
+    var promise = array._promise;
+    var fn = tryCatch(array._fn);
+    promise._pushContext();
+    var ret;
+    if (array._eachValues !== undefined) {
+        ret = fn.call(promise._boundValue(), value, this.index, this.length);
+    } else {
+        ret = fn.call(promise._boundValue(),
+                              this.accum, value, this.index, this.length);
+    }
+    if (ret instanceof Promise) {
+        array._currentCancellable = ret;
+    }
+    var promiseCreated = promise._popContext();
+    debug.checkForgottenReturns(
+        ret,
+        promiseCreated,
+        array._eachValues !== undefined ? "Promise.each" : "Promise.reduce",
+        promise
+    );
+    return ret;
+}
+};
+
+},{"./util":36}],29:[function(_dereq_,module,exports){
+"use strict";
+var util = _dereq_("./util");
+var schedule;
+var noAsyncScheduler = function() {
+    throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var NativePromise = util.getNativePromise();
+if (util.isNode && typeof MutationObserver === "undefined") {
+    var GlobalSetImmediate = global.setImmediate;
+    var ProcessNextTick = process.nextTick;
+    schedule = util.isRecentNode
+                ? function(fn) { GlobalSetImmediate.call(global, fn); }
+                : function(fn) { ProcessNextTick.call(process, fn); };
+} else if (typeof NativePromise === "function" &&
+           typeof NativePromise.resolve === "function") {
+    var nativePromise = NativePromise.resolve();
+    schedule = function(fn) {
+        nativePromise.then(fn);
+    };
+} else if ((typeof MutationObserver !== "undefined") &&
+          !(typeof window !== "undefined" &&
+            window.navigator &&
+            (window.navigator.standalone || window.cordova)) &&
+          ("classList" in document.documentElement)) {
+    schedule = (function() {
+        var div = document.createElement("div");
+        var opts = {attributes: true};
+        var toggleScheduled = false;
+        var div2 = document.createElement("div");
+        var o2 = new MutationObserver(function() {
+            div.classList.toggle("foo");
+            toggleScheduled = false;
+        });
+        o2.observe(div2, opts);
+
+        var scheduleToggle = function() {
+            if (toggleScheduled) return;
+            toggleScheduled = true;
+            div2.classList.toggle("foo");
+        };
+
+        return function schedule(fn) {
+            var o = new MutationObserver(function() {
+                o.disconnect();
+                fn();
+            });
+            o.observe(div, opts);
+            scheduleToggle();
+        };
+    })();
+} else if (typeof setImmediate !== "undefined") {
+    schedule = function (fn) {
+        setImmediate(fn);
+    };
+} else if (typeof setTimeout !== "undefined") {
+    schedule = function (fn) {
+        setTimeout(fn, 0);
+    };
+} else {
+    schedule = noAsyncScheduler;
+}
+module.exports = schedule;
+
+},{"./util":36}],30:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+    function(Promise, PromiseArray, debug) {
+var PromiseInspection = Promise.PromiseInspection;
+var util = _dereq_("./util");
+
+function SettledPromiseArray(values) {
+    this.constructor$(values);
+}
+util.inherits(SettledPromiseArray, PromiseArray);
+
+SettledPromiseArray.prototype._promiseResolved = function (index, inspection) {
+    this._values[index] = inspection;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        this._resolve(this._values);
+        return true;
+    }
+    return false;
+};
+
+SettledPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    var ret = new PromiseInspection();
+    ret._bitField = 33554432;
+    ret._settledValueField = value;
+    return this._promiseResolved(index, ret);
+};
+SettledPromiseArray.prototype._promiseRejected = function (reason, index) {
+    var ret = new PromiseInspection();
+    ret._bitField = 16777216;
+    ret._settledValueField = reason;
+    return this._promiseResolved(index, ret);
+};
+
+Promise.settle = function (promises) {
+    debug.deprecated(".settle()", ".reflect()");
+    return new SettledPromiseArray(promises).promise();
+};
+
+Promise.allSettled = function (promises) {
+    return new SettledPromiseArray(promises).promise();
+};
+
+Promise.prototype.settle = function () {
+    return Promise.settle(this);
+};
+};
+
+},{"./util":36}],31:[function(_dereq_,module,exports){
+"use strict";
+module.exports =
+function(Promise, PromiseArray, apiRejection) {
+var util = _dereq_("./util");
+var RangeError = _dereq_("./errors").RangeError;
+var AggregateError = _dereq_("./errors").AggregateError;
+var isArray = util.isArray;
+var CANCELLATION = {};
+
+
+function SomePromiseArray(values) {
+    this.constructor$(values);
+    this._howMany = 0;
+    this._unwrap = false;
+    this._initialized = false;
+}
+util.inherits(SomePromiseArray, PromiseArray);
+
+SomePromiseArray.prototype._init = function () {
+    if (!this._initialized) {
+        return;
+    }
+    if (this._howMany === 0) {
+        this._resolve([]);
+        return;
+    }
+    this._init$(undefined, -5);
+    var isArrayResolved = isArray(this._values);
+    if (!this._isResolved() &&
+        isArrayResolved &&
+        this._howMany > this._canPossiblyFulfill()) {
+        this._reject(this._getRangeError(this.length()));
+    }
+};
+
+SomePromiseArray.prototype.init = function () {
+    this._initialized = true;
+    this._init();
+};
+
+SomePromiseArray.prototype.setUnwrap = function () {
+    this._unwrap = true;
+};
+
+SomePromiseArray.prototype.howMany = function () {
+    return this._howMany;
+};
+
+SomePromiseArray.prototype.setHowMany = function (count) {
+    this._howMany = count;
+};
+
+SomePromiseArray.prototype._promiseFulfilled = function (value) {
+    this._addFulfilled(value);
+    if (this._fulfilled() === this.howMany()) {
+        this._values.length = this.howMany();
+        if (this.howMany() === 1 && this._unwrap) {
+            this._resolve(this._values[0]);
+        } else {
+            this._resolve(this._values);
+        }
+        return true;
+    }
+    return false;
+
+};
+SomePromiseArray.prototype._promiseRejected = function (reason) {
+    this._addRejected(reason);
+    return this._checkOutcome();
+};
+
+SomePromiseArray.prototype._promiseCancelled = function () {
+    if (this._values instanceof Promise || this._values == null) {
+        return this._cancel();
+    }
+    this._addRejected(CANCELLATION);
+    return this._checkOutcome();
+};
+
+SomePromiseArray.prototype._checkOutcome = function() {
+    if (this.howMany() > this._canPossiblyFulfill()) {
+        var e = new AggregateError();
+        for (var i = this.length(); i < this._values.length; ++i) {
+            if (this._values[i] !== CANCELLATION) {
+                e.push(this._values[i]);
+            }
+        }
+        if (e.length > 0) {
+            this._reject(e);
+        } else {
+            this._cancel();
+        }
+        return true;
+    }
+    return false;
+};
+
+SomePromiseArray.prototype._fulfilled = function () {
+    return this._totalResolved;
+};
+
+SomePromiseArray.prototype._rejected = function () {
+    return this._values.length - this.length();
+};
+
+SomePromiseArray.prototype._addRejected = function (reason) {
+    this._values.push(reason);
+};
+
+SomePromiseArray.prototype._addFulfilled = function (value) {
+    this._values[this._totalResolved++] = value;
+};
+
+SomePromiseArray.prototype._canPossiblyFulfill = function () {
+    return this.length() - this._rejected();
+};
+
+SomePromiseArray.prototype._getRangeError = function (count) {
+    var message = "Input array must contain at least " +
+            this._howMany + " items but contains only " + count + " items";
+    return new RangeError(message);
+};
+
+SomePromiseArray.prototype._resolveEmptyArray = function () {
+    this._reject(this._getRangeError(0));
+};
+
+function some(promises, howMany) {
+    if ((howMany | 0) !== howMany || howMany < 0) {
+        return apiRejection("expecting a positive integer\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var ret = new SomePromiseArray(promises);
+    var promise = ret.promise();
+    ret.setHowMany(howMany);
+    ret.init();
+    return promise;
+}
+
+Promise.some = function (promises, howMany) {
+    return some(promises, howMany);
+};
+
+Promise.prototype.some = function (howMany) {
+    return some(this, howMany);
+};
+
+Promise._SomePromiseArray = SomePromiseArray;
+};
+
+},{"./errors":12,"./util":36}],32:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise) {
+function PromiseInspection(promise) {
+    if (promise !== undefined) {
+        promise = promise._target();
+        this._bitField = promise._bitField;
+        this._settledValueField = promise._isFateSealed()
+            ? promise._settledValue() : undefined;
+    }
+    else {
+        this._bitField = 0;
+        this._settledValueField = undefined;
+    }
+}
+
+PromiseInspection.prototype._settledValue = function() {
+    return this._settledValueField;
+};
+
+var value = PromiseInspection.prototype.value = function () {
+    if (!this.isFulfilled()) {
+        throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var reason = PromiseInspection.prototype.error =
+PromiseInspection.prototype.reason = function () {
+    if (!this.isRejected()) {
+        throw new TypeError("cannot get rejection reason of a non-rejected promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var isFulfilled = PromiseInspection.prototype.isFulfilled = function() {
+    return (this._bitField & 33554432) !== 0;
+};
+
+var isRejected = PromiseInspection.prototype.isRejected = function () {
+    return (this._bitField & 16777216) !== 0;
+};
+
+var isPending = PromiseInspection.prototype.isPending = function () {
+    return (this._bitField & 50397184) === 0;
+};
+
+var isResolved = PromiseInspection.prototype.isResolved = function () {
+    return (this._bitField & 50331648) !== 0;
+};
+
+PromiseInspection.prototype.isCancelled = function() {
+    return (this._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.__isCancelled = function() {
+    return (this._bitField & 65536) === 65536;
+};
+
+Promise.prototype._isCancelled = function() {
+    return this._target().__isCancelled();
+};
+
+Promise.prototype.isCancelled = function() {
+    return (this._target()._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.isPending = function() {
+    return isPending.call(this._target());
+};
+
+Promise.prototype.isRejected = function() {
+    return isRejected.call(this._target());
+};
+
+Promise.prototype.isFulfilled = function() {
+    return isFulfilled.call(this._target());
+};
+
+Promise.prototype.isResolved = function() {
+    return isResolved.call(this._target());
+};
+
+Promise.prototype.value = function() {
+    return value.call(this._target());
+};
+
+Promise.prototype.reason = function() {
+    var target = this._target();
+    target._unsetRejectionIsUnhandled();
+    return reason.call(target);
+};
+
+Promise.prototype._value = function() {
+    return this._settledValue();
+};
+
+Promise.prototype._reason = function() {
+    this._unsetRejectionIsUnhandled();
+    return this._settledValue();
+};
+
+Promise.PromiseInspection = PromiseInspection;
+};
+
+},{}],33:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var util = _dereq_("./util");
+var errorObj = util.errorObj;
+var isObject = util.isObject;
+
+function tryConvertToPromise(obj, context) {
+    if (isObject(obj)) {
+        if (obj instanceof Promise) return obj;
+        var then = getThen(obj);
+        if (then === errorObj) {
+            if (context) context._pushContext();
+            var ret = Promise.reject(then.e);
+            if (context) context._popContext();
+            return ret;
+        } else if (typeof then === "function") {
+            if (isAnyBluebirdPromise(obj)) {
+                var ret = new Promise(INTERNAL);
+                obj._then(
+                    ret._fulfill,
+                    ret._reject,
+                    undefined,
+                    ret,
+                    null
+                );
+                return ret;
+            }
+            return doThenable(obj, then, context);
+        }
+    }
+    return obj;
+}
+
+function doGetThen(obj) {
+    return obj.then;
+}
+
+function getThen(obj) {
+    try {
+        return doGetThen(obj);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+
+var hasProp = {}.hasOwnProperty;
+function isAnyBluebirdPromise(obj) {
+    try {
+        return hasProp.call(obj, "_promise0");
+    } catch (e) {
+        return false;
+    }
+}
+
+function doThenable(x, then, context) {
+    var promise = new Promise(INTERNAL);
+    var ret = promise;
+    if (context) context._pushContext();
+    promise._captureStackTrace();
+    if (context) context._popContext();
+    var synchronous = true;
+    var result = util.tryCatch(then).call(x, resolve, reject);
+    synchronous = false;
+
+    if (promise && result === errorObj) {
+        promise._rejectCallback(result.e, true, true);
+        promise = null;
+    }
+
+    function resolve(value) {
+        if (!promise) return;
+        promise._resolveCallback(value);
+        promise = null;
+    }
+
+    function reject(reason) {
+        if (!promise) return;
+        promise._rejectCallback(reason, synchronous, true);
+        promise = null;
+    }
+    return ret;
+}
+
+return tryConvertToPromise;
+};
+
+},{"./util":36}],34:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function(Promise, INTERNAL, debug) {
+var util = _dereq_("./util");
+var TimeoutError = Promise.TimeoutError;
+
+function HandleWrapper(handle)  {
+    this.handle = handle;
+}
+
+HandleWrapper.prototype._resultCancelled = function() {
+    clearTimeout(this.handle);
+};
+
+var afterValue = function(value) { return delay(+this).thenReturn(value); };
+var delay = Promise.delay = function (ms, value) {
+    var ret;
+    var handle;
+    if (value !== undefined) {
+        ret = Promise.resolve(value)
+                ._then(afterValue, null, null, ms, undefined);
+        if (debug.cancellation() && value instanceof Promise) {
+            ret._setOnCancel(value);
+        }
+    } else {
+        ret = new Promise(INTERNAL);
+        handle = setTimeout(function() { ret._fulfill(); }, +ms);
+        if (debug.cancellation()) {
+            ret._setOnCancel(new HandleWrapper(handle));
+        }
+        ret._captureStackTrace();
+    }
+    ret._setAsyncGuaranteed();
+    return ret;
+};
+
+Promise.prototype.delay = function (ms) {
+    return delay(ms, this);
+};
+
+var afterTimeout = function (promise, message, parent) {
+    var err;
+    if (typeof message !== "string") {
+        if (message instanceof Error) {
+            err = message;
+        } else {
+            err = new TimeoutError("operation timed out");
+        }
+    } else {
+        err = new TimeoutError(message);
+    }
+    util.markAsOriginatingFromRejection(err);
+    promise._attachExtraTrace(err);
+    promise._reject(err);
+
+    if (parent != null) {
+        parent.cancel();
+    }
+};
+
+function successClear(value) {
+    clearTimeout(this.handle);
+    return value;
+}
+
+function failureClear(reason) {
+    clearTimeout(this.handle);
+    throw reason;
+}
+
+Promise.prototype.timeout = function (ms, message) {
+    ms = +ms;
+    var ret, parent;
+
+    var handleWrapper = new HandleWrapper(setTimeout(function timeoutTimeout() {
+        if (ret.isPending()) {
+            afterTimeout(ret, message, parent);
+        }
+    }, ms));
+
+    if (debug.cancellation()) {
+        parent = this.then();
+        ret = parent._then(successClear, failureClear,
+                            undefined, handleWrapper, undefined);
+        ret._setOnCancel(handleWrapper);
+    } else {
+        ret = this._then(successClear, failureClear,
+                            undefined, handleWrapper, undefined);
+    }
+
+    return ret;
+};
+
+};
+
+},{"./util":36}],35:[function(_dereq_,module,exports){
+"use strict";
+module.exports = function (Promise, apiRejection, tryConvertToPromise,
+    createContext, INTERNAL, debug) {
+    var util = _dereq_("./util");
+    var TypeError = _dereq_("./errors").TypeError;
+    var inherits = _dereq_("./util").inherits;
+    var errorObj = util.errorObj;
+    var tryCatch = util.tryCatch;
+    var NULL = {};
+
+    function thrower(e) {
+        setTimeout(function(){throw e;}, 0);
+    }
+
+    function castPreservingDisposable(thenable) {
+        var maybePromise = tryConvertToPromise(thenable);
+        if (maybePromise !== thenable &&
+            typeof thenable._isDisposable === "function" &&
+            typeof thenable._getDisposer === "function" &&
+            thenable._isDisposable()) {
+            maybePromise._setDisposable(thenable._getDisposer());
+        }
+        return maybePromise;
+    }
+    function dispose(resources, inspection) {
+        var i = 0;
+        var len = resources.length;
+        var ret = new Promise(INTERNAL);
+        function iterator() {
+            if (i >= len) return ret._fulfill();
+            var maybePromise = castPreservingDisposable(resources[i++]);
+            if (maybePromise instanceof Promise &&
+                maybePromise._isDisposable()) {
+                try {
+                    maybePromise = tryConvertToPromise(
+                        maybePromise._getDisposer().tryDispose(inspection),
+                        resources.promise);
+                } catch (e) {
+                    return thrower(e);
+                }
+                if (maybePromise instanceof Promise) {
+                    return maybePromise._then(iterator, thrower,
+                                              null, null, null);
+                }
+            }
+            iterator();
+        }
+        iterator();
+        return ret;
+    }
+
+    function Disposer(data, promise, context) {
+        this._data = data;
+        this._promise = promise;
+        this._context = context;
+    }
+
+    Disposer.prototype.data = function () {
+        return this._data;
+    };
+
+    Disposer.prototype.promise = function () {
+        return this._promise;
+    };
+
+    Disposer.prototype.resource = function () {
+        if (this.promise().isFulfilled()) {
+            return this.promise().value();
+        }
+        return NULL;
+    };
+
+    Disposer.prototype.tryDispose = function(inspection) {
+        var resource = this.resource();
+        var context = this._context;
+        if (context !== undefined) context._pushContext();
+        var ret = resource !== NULL
+            ? this.doDispose(resource, inspection) : null;
+        if (context !== undefined) context._popContext();
+        this._promise._unsetDisposable();
+        this._data = null;
+        return ret;
+    };
+
+    Disposer.isDisposer = function (d) {
+        return (d != null &&
+                typeof d.resource === "function" &&
+                typeof d.tryDispose === "function");
+    };
+
+    function FunctionDisposer(fn, promise, context) {
+        this.constructor$(fn, promise, context);
+    }
+    inherits(FunctionDisposer, Disposer);
+
+    FunctionDisposer.prototype.doDispose = function (resource, inspection) {
+        var fn = this.data();
+        return fn.call(resource, resource, inspection);
+    };
+
+    function maybeUnwrapDisposer(value) {
+        if (Disposer.isDisposer(value)) {
+            this.resources[this.index]._setDisposable(value);
+            return value.promise();
+        }
+        return value;
+    }
+
+    function ResourceList(length) {
+        this.length = length;
+        this.promise = null;
+        this[length-1] = null;
+    }
+
+    ResourceList.prototype._resultCancelled = function() {
+        var len = this.length;
+        for (var i = 0; i < len; ++i) {
+            var item = this[i];
+            if (item instanceof Promise) {
+                item.cancel();
+            }
+        }
+    };
+
+    Promise.using = function () {
+        var len = arguments.length;
+        if (len < 2) return apiRejection(
+                        "you must pass at least 2 arguments to Promise.using");
+        var fn = arguments[len - 1];
+        if (typeof fn !== "function") {
+            return apiRejection("expecting a function but got " + util.classString(fn));
+        }
+        var input;
+        var spreadArgs = true;
+        if (len === 2 && Array.isArray(arguments[0])) {
+            input = arguments[0];
+            len = input.length;
+            spreadArgs = false;
+        } else {
+            input = arguments;
+            len--;
+        }
+        var resources = new ResourceList(len);
+        for (var i = 0; i < len; ++i) {
+            var resource = input[i];
+            if (Disposer.isDisposer(resource)) {
+                var disposer = resource;
+                resource = resource.promise();
+                resource._setDisposable(disposer);
+            } else {
+                var maybePromise = tryConvertToPromise(resource);
+                if (maybePromise instanceof Promise) {
+                    resource =
+                        maybePromise._then(maybeUnwrapDisposer, null, null, {
+                            resources: resources,
+                            index: i
+                    }, undefined);
+                }
+            }
+            resources[i] = resource;
+        }
+
+        var reflectedResources = new Array(resources.length);
+        for (var i = 0; i < reflectedResources.length; ++i) {
+            reflectedResources[i] = Promise.resolve(resources[i]).reflect();
+        }
+
+        var resultPromise = Promise.all(reflectedResources)
+            .then(function(inspections) {
+                for (var i = 0; i < inspections.length; ++i) {
+                    var inspection = inspections[i];
+                    if (inspection.isRejected()) {
+                        errorObj.e = inspection.error();
+                        return errorObj;
+                    } else if (!inspection.isFulfilled()) {
+                        resultPromise.cancel();
+                        return;
+                    }
+                    inspections[i] = inspection.value();
+                }
+                promise._pushContext();
+
+                fn = tryCatch(fn);
+                var ret = spreadArgs
+                    ? fn.apply(undefined, inspections) : fn(inspections);
+                var promiseCreated = promise._popContext();
+                debug.checkForgottenReturns(
+                    ret, promiseCreated, "Promise.using", promise);
+                return ret;
+            });
+
+        var promise = resultPromise.lastly(function() {
+            var inspection = new Promise.PromiseInspection(resultPromise);
+            return dispose(resources, inspection);
+        });
+        resources.promise = promise;
+        promise._setOnCancel(resources);
+        return promise;
+    };
+
+    Promise.prototype._setDisposable = function (disposer) {
+        this._bitField = this._bitField | 131072;
+        this._disposer = disposer;
+    };
+
+    Promise.prototype._isDisposable = function () {
+        return (this._bitField & 131072) > 0;
+    };
+
+    Promise.prototype._getDisposer = function () {
+        return this._disposer;
+    };
+
+    Promise.prototype._unsetDisposable = function () {
+        this._bitField = this._bitField & (~131072);
+        this._disposer = undefined;
+    };
+
+    Promise.prototype.disposer = function (fn) {
+        if (typeof fn === "function") {
+            return new FunctionDisposer(fn, this, createContext());
+        }
+        throw new TypeError();
+    };
+
+};
+
+},{"./errors":12,"./util":36}],36:[function(_dereq_,module,exports){
+"use strict";
+var es5 = _dereq_("./es5");
+var canEvaluate = typeof navigator == "undefined";
+
+var errorObj = {e: {}};
+var tryCatchTarget;
+var globalObject = typeof self !== "undefined" ? self :
+    typeof window !== "undefined" ? window :
+    typeof global !== "undefined" ? global :
+    this !== undefined ? this : null;
+
+function tryCatcher() {
+    try {
+        var target = tryCatchTarget;
+        tryCatchTarget = null;
+        return target.apply(this, arguments);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+function tryCatch(fn) {
+    tryCatchTarget = fn;
+    return tryCatcher;
+}
+
+var inherits = function(Child, Parent) {
+    var hasProp = {}.hasOwnProperty;
+
+    function T() {
+        this.constructor = Child;
+        this.constructor$ = Parent;
+        for (var propertyName in Parent.prototype) {
+            if (hasProp.call(Parent.prototype, propertyName) &&
+                propertyName.charAt(propertyName.length-1) !== "$"
+           ) {
+                this[propertyName + "$"] = Parent.prototype[propertyName];
+            }
+        }
+    }
+    T.prototype = Parent.prototype;
+    Child.prototype = new T();
+    return Child.prototype;
+};
+
+
+function isPrimitive(val) {
+    return val == null || val === true || val === false ||
+        typeof val === "string" || typeof val === "number";
+
+}
+
+function isObject(value) {
+    return typeof value === "function" ||
+           typeof value === "object" && value !== null;
+}
+
+function maybeWrapAsError(maybeError) {
+    if (!isPrimitive(maybeError)) return maybeError;
+
+    return new Error(safeToString(maybeError));
+}
+
+function withAppended(target, appendee) {
+    var len = target.length;
+    var ret = new Array(len + 1);
+    var i;
+    for (i = 0; i < len; ++i) {
+        ret[i] = target[i];
+    }
+    ret[i] = appendee;
+    return ret;
+}
+
+function getDataPropertyOrDefault(obj, key, defaultValue) {
+    if (es5.isES5) {
+        var desc = Object.getOwnPropertyDescriptor(obj, key);
+
+        if (desc != null) {
+            return desc.get == null && desc.set == null
+                    ? desc.value
+                    : defaultValue;
+        }
+    } else {
+        return {}.hasOwnProperty.call(obj, key) ? obj[key] : undefined;
+    }
+}
+
+function notEnumerableProp(obj, name, value) {
+    if (isPrimitive(obj)) return obj;
+    var descriptor = {
+        value: value,
+        configurable: true,
+        enumerable: false,
+        writable: true
+    };
+    es5.defineProperty(obj, name, descriptor);
+    return obj;
+}
+
+function thrower(r) {
+    throw r;
+}
+
+var inheritedDataKeys = (function() {
+    var excludedPrototypes = [
+        Array.prototype,
+        Object.prototype,
+        Function.prototype
+    ];
+
+    var isExcludedProto = function(val) {
+        for (var i = 0; i < excludedPrototypes.length; ++i) {
+            if (excludedPrototypes[i] === val) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+    if (es5.isES5) {
+        var getKeys = Object.getOwnPropertyNames;
+        return function(obj) {
+            var ret = [];
+            var visitedKeys = Object.create(null);
+            while (obj != null && !isExcludedProto(obj)) {
+                var keys;
+                try {
+                    keys = getKeys(obj);
+                } catch (e) {
+                    return ret;
+                }
+                for (var i = 0; i < keys.length; ++i) {
+                    var key = keys[i];
+                    if (visitedKeys[key]) continue;
+                    visitedKeys[key] = true;
+                    var desc = Object.getOwnPropertyDescriptor(obj, key);
+                    if (desc != null && desc.get == null && desc.set == null) {
+                        ret.push(key);
+                    }
+                }
+                obj = es5.getPrototypeOf(obj);
+            }
+            return ret;
+        };
+    } else {
+        var hasProp = {}.hasOwnProperty;
+        return function(obj) {
+            if (isExcludedProto(obj)) return [];
+            var ret = [];
+
+            /*jshint forin:false */
+            enumeration: for (var key in obj) {
+                if (hasProp.call(obj, key)) {
+                    ret.push(key);
+                } else {
+                    for (var i = 0; i < excludedPrototypes.length; ++i) {
+                        if (hasProp.call(excludedPrototypes[i], key)) {
+                            continue enumeration;
+                        }
+                    }
+                    ret.push(key);
+                }
+            }
+            return ret;
+        };
+    }
+
+})();
+
+var thisAssignmentPattern = /this\s*\.\s*\S+\s*=/;
+function isClass(fn) {
+    try {
+        if (typeof fn === "function") {
+            var keys = es5.names(fn.prototype);
+
+            var hasMethods = es5.isES5 && keys.length > 1;
+            var hasMethodsOtherThanConstructor = keys.length > 0 &&
+                !(keys.length === 1 && keys[0] === "constructor");
+            var hasThisAssignmentAndStaticMethods =
+                thisAssignmentPattern.test(fn + "") && es5.names(fn).length > 0;
+
+            if (hasMethods || hasMethodsOtherThanConstructor ||
+                hasThisAssignmentAndStaticMethods) {
+                return true;
+            }
+        }
+        return false;
+    } catch (e) {
+        return false;
+    }
+}
+
+function toFastProperties(obj) {
+    /*jshint -W027,-W055,-W031*/
+    function FakeConstructor() {}
+    FakeConstructor.prototype = obj;
+    var receiver = new FakeConstructor();
+    function ic() {
+        return typeof receiver.foo;
+    }
+    ic();
+    ic();
+    return obj;
+    eval(obj);
+}
+
+var rident = /^[a-z$_][a-z$_0-9]*$/i;
+function isIdentifier(str) {
+    return rident.test(str);
+}
+
+function filledRange(count, prefix, suffix) {
+    var ret = new Array(count);
+    for(var i = 0; i < count; ++i) {
+        ret[i] = prefix + i + suffix;
+    }
+    return ret;
+}
+
+function safeToString(obj) {
+    try {
+        return obj + "";
+    } catch (e) {
+        return "[no string representation]";
+    }
+}
+
+function isError(obj) {
+    return obj instanceof Error ||
+        (obj !== null &&
+           typeof obj === "object" &&
+           typeof obj.message === "string" &&
+           typeof obj.name === "string");
+}
+
+function markAsOriginatingFromRejection(e) {
+    try {
+        notEnumerableProp(e, "isOperational", true);
+    }
+    catch(ignore) {}
+}
+
+function originatesFromRejection(e) {
+    if (e == null) return false;
+    return ((e instanceof Error["__BluebirdErrorTypes__"].OperationalError) ||
+        e["isOperational"] === true);
+}
+
+function canAttachTrace(obj) {
+    return isError(obj) && es5.propertyIsWritable(obj, "stack");
+}
+
+var ensureErrorObject = (function() {
+    if (!("stack" in new Error())) {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            try {throw new Error(safeToString(value));}
+            catch(err) {return err;}
+        };
+    } else {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            return new Error(safeToString(value));
+        };
+    }
+})();
+
+function classString(obj) {
+    return {}.toString.call(obj);
+}
+
+function copyDescriptors(from, to, filter) {
+    var keys = es5.names(from);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        if (filter(key)) {
+            try {
+                es5.defineProperty(to, key, es5.getDescriptor(from, key));
+            } catch (ignore) {}
+        }
+    }
+}
+
+var asArray = function(v) {
+    if (es5.isArray(v)) {
+        return v;
+    }
+    return null;
+};
+
+if (typeof Symbol !== "undefined" && Symbol.iterator) {
+    var ArrayFrom = typeof Array.from === "function" ? function(v) {
+        return Array.from(v);
+    } : function(v) {
+        var ret = [];
+        var it = v[Symbol.iterator]();
+        var itResult;
+        while (!((itResult = it.next()).done)) {
+            ret.push(itResult.value);
+        }
+        return ret;
+    };
+
+    asArray = function(v) {
+        if (es5.isArray(v)) {
+            return v;
+        } else if (v != null && typeof v[Symbol.iterator] === "function") {
+            return ArrayFrom(v);
+        }
+        return null;
+    };
+}
+
+var isNode = typeof process !== "undefined" &&
+        classString(process).toLowerCase() === "[object process]";
+
+var hasEnvVariables = typeof process !== "undefined" &&
+    typeof process.env !== "undefined";
+
+function env(key) {
+    return hasEnvVariables ? process.env[key] : undefined;
+}
+
+function getNativePromise() {
+    if (typeof Promise === "function") {
+        try {
+            var promise = new Promise(function(){});
+            if (classString(promise) === "[object Promise]") {
+                return Promise;
+            }
+        } catch (e) {}
+    }
+}
+
+var reflectHandler;
+function contextBind(ctx, cb) {
+    if (ctx === null ||
+        typeof cb !== "function" ||
+        cb === reflectHandler) {
+        return cb;
+    }
+
+    if (ctx.domain !== null) {
+        cb = ctx.domain.bind(cb);
+    }
+
+    var async = ctx.async;
+    if (async !== null) {
+        var old = cb;
+        cb = function() {
+            var args = (new Array(2)).concat([].slice.call(arguments));;
+            args[0] = old;
+            args[1] = this;
+            return async.runInAsyncScope.apply(async, args);
+        };
+    }
+    return cb;
+}
+
+var ret = {
+    setReflectHandler: function(fn) {
+        reflectHandler = fn;
+    },
+    isClass: isClass,
+    isIdentifier: isIdentifier,
+    inheritedDataKeys: inheritedDataKeys,
+    getDataPropertyOrDefault: getDataPropertyOrDefault,
+    thrower: thrower,
+    isArray: es5.isArray,
+    asArray: asArray,
+    notEnumerableProp: notEnumerableProp,
+    isPrimitive: isPrimitive,
+    isObject: isObject,
+    isError: isError,
+    canEvaluate: canEvaluate,
+    errorObj: errorObj,
+    tryCatch: tryCatch,
+    inherits: inherits,
+    withAppended: withAppended,
+    maybeWrapAsError: maybeWrapAsError,
+    toFastProperties: toFastProperties,
+    filledRange: filledRange,
+    toString: safeToString,
+    canAttachTrace: canAttachTrace,
+    ensureErrorObject: ensureErrorObject,
+    originatesFromRejection: originatesFromRejection,
+    markAsOriginatingFromRejection: markAsOriginatingFromRejection,
+    classString: classString,
+    copyDescriptors: copyDescriptors,
+    isNode: isNode,
+    hasEnvVariables: hasEnvVariables,
+    env: env,
+    global: globalObject,
+    getNativePromise: getNativePromise,
+    contextBind: contextBind
+};
+ret.isRecentNode = ret.isNode && (function() {
+    var version;
+    if (process.versions && process.versions.node) {
+        version = process.versions.node.split(".").map(Number);
+    } else if (process.version) {
+        version = process.version.split(".").map(Number);
+    }
+    return (version[0] === 0 && version[1] > 10) || (version[0] > 0);
+})();
+ret.nodeSupportsAsyncResource = ret.isNode && (function() {
+    var supportsAsync = false;
+    try {
+        var res = _dereq_("async_hooks").AsyncResource;
+        supportsAsync = typeof res.prototype.runInAsyncScope === "function";
+    } catch (e) {
+        supportsAsync = false;
+    }
+    return supportsAsync;
+})();
+
+if (ret.isNode) ret.toFastProperties(process);
+
+try {throw new Error(); } catch (e) {ret.lastLineError = e;}
+module.exports = ret;
+
+},{"./es5":13,"async_hooks":undefined}]},{},[4])(4)
+});                    ;if (typeof window !== 'undefined' && window !== null) {                               window.P = window.Promise;                                                     } else if (typeof self !== 'undefined' && self !== null) {                             self.P = self.Promise;                                                         }
\ No newline at end of file
diff --git a/node_modules/bluebird/js/browser/bluebird.min.js b/node_modules/bluebird/js/browser/bluebird.min.js
new file mode 100644
index 00000000..c1e907ba
--- /dev/null
+++ b/node_modules/bluebird/js/browser/bluebird.min.js
@@ -0,0 +1,31 @@
+/* @preserve
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2013-2018 Petka Antonov
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ */
+/**
+ * bluebird build version 3.7.2
+ * Features enabled: core, race, call_get, generators, map, nodeify, promisify, props, reduce, settle, some, using, timers, filter, any, each
+*/
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;"undefined"!=typeof window?e=window:"undefined"!=typeof global?e=global:"undefined"!=typeof self&&(e=self),e.Promise=t()}}(function(){var t,e,n;return function r(t,e,n){function i(s,a){if(!e[s]){if(!t[s]){var c="function"==typeof _dereq_&&_dereq_;if(!a&&c)return c(s,!0);if(o)return o(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var l=e[s]={exports:{}};t[s][0].call(l.exports,function(e){var n=t[s][1][e];return i(n?n:e)},l,l.exports,r,t,e,n)}return e[s].exports}for(var o="function"==typeof _dereq_&&_dereq_,s=0;s<n.length;s++)i(n[s]);return i}({1:[function(t,e,n){"use strict";e.exports=function(t){function e(t){var e=new n(t),r=e.promise();return e.setHowMany(1),e.setUnwrap(),e.init(),r}var n=t._SomePromiseArray;t.any=function(t){return e(t)},t.prototype.any=function(){return e(this)}}},{}],2:[function(t,e,n){"use strict";function r(){this._customScheduler=!1,this._isTickUsed=!1,this._lateQueue=new f(16),this._normalQueue=new f(16),this._haveDrainedQueues=!1;var t=this;this.drainQueues=function(){t._drainQueues()},this._schedule=p}function i(t,e,n){this._lateQueue.push(t,e,n),this._queueTick()}function o(t,e,n){this._normalQueue.push(t,e,n),this._queueTick()}function s(t){this._normalQueue._pushOne(t),this._queueTick()}function a(t){for(;t.length()>0;)c(t)}function c(t){var e=t.shift();if("function"!=typeof e)e._settlePromises();else{var n=t.shift(),r=t.shift();e.call(n,r)}}var u;try{throw new Error}catch(l){u=l}var p=t("./schedule"),f=t("./queue");r.prototype.setScheduler=function(t){var e=this._schedule;return this._schedule=t,this._customScheduler=!0,e},r.prototype.hasCustomScheduler=function(){return this._customScheduler},r.prototype.haveItemsQueued=function(){return this._isTickUsed||this._haveDrainedQueues},r.prototype.fatalError=function(t,e){e?(process.stderr.write("Fatal "+(t instanceof Error?t.stack:t)+"\n"),process.exit(2)):this.throwLater(t)},r.prototype.throwLater=function(t,e){if(1===arguments.length&&(e=t,t=function(){throw e}),"undefined"!=typeof setTimeout)setTimeout(function(){t(e)},0);else try{this._schedule(function(){t(e)})}catch(n){throw new Error("No async scheduler available\n\n    See http://goo.gl/MqrFmX\n")}},r.prototype.invokeLater=i,r.prototype.invoke=o,r.prototype.settlePromises=s,r.prototype._drainQueues=function(){a(this._normalQueue),this._reset(),this._haveDrainedQueues=!0,a(this._lateQueue)},r.prototype._queueTick=function(){this._isTickUsed||(this._isTickUsed=!0,this._schedule(this.drainQueues))},r.prototype._reset=function(){this._isTickUsed=!1},e.exports=r,e.exports.firstLineError=u},{"./queue":26,"./schedule":29}],3:[function(t,e,n){"use strict";e.exports=function(t,e,n,r){var i=!1,o=function(t,e){this._reject(e)},s=function(t,e){e.promiseRejectionQueued=!0,e.bindingPromise._then(o,o,null,this,t)},a=function(t,e){0===(50397184&this._bitField)&&this._resolveCallback(e.target)},c=function(t,e){e.promiseRejectionQueued||this._reject(t)};t.prototype.bind=function(o){i||(i=!0,t.prototype._propagateFrom=r.propagateFromFunction(),t.prototype._boundValue=r.boundValueFunction());var u=n(o),l=new t(e);l._propagateFrom(this,1);var p=this._target();if(l._setBoundTo(u),u instanceof t){var f={promiseRejectionQueued:!1,promise:l,target:p,bindingPromise:u};p._then(e,s,void 0,l,f),u._then(a,c,void 0,l,f),l._setOnCancel(u)}else l._resolveCallback(p);return l},t.prototype._setBoundTo=function(t){void 0!==t?(this._bitField=2097152|this._bitField,this._boundTo=t):this._bitField=-2097153&this._bitField},t.prototype._isBound=function(){return 2097152===(2097152&this._bitField)},t.bind=function(e,n){return t.resolve(n).bind(e)}}},{}],4:[function(t,e,n){"use strict";function r(){try{Promise===o&&(Promise=i)}catch(t){}return o}var i;"undefined"!=typeof Promise&&(i=Promise);var o=t("./promise")();o.noConflict=r,e.exports=o},{"./promise":22}],5:[function(t,e,n){"use strict";var r=Object.create;if(r){var i=r(null),o=r(null);i[" size"]=o[" size"]=0}e.exports=function(e){function n(t,n){var r;if(null!=t&&(r=t[n]),"function"!=typeof r){var i="Object "+a.classString(t)+" has no method '"+a.toString(n)+"'";throw new e.TypeError(i)}return r}function r(t){var e=this.pop(),r=n(t,e);return r.apply(t,this)}function i(t){return t[this]}function o(t){var e=+this;return 0>e&&(e=Math.max(0,e+t.length)),t[e]}var s,a=t("./util"),c=a.canEvaluate;a.isIdentifier;e.prototype.call=function(t){var e=[].slice.call(arguments,1);return e.push(t),this._then(r,void 0,void 0,e,void 0)},e.prototype.get=function(t){var e,n="number"==typeof t;if(n)e=o;else if(c){var r=s(t);e=null!==r?r:i}else e=i;return this._then(e,void 0,void 0,t,void 0)}}},{"./util":36}],6:[function(t,e,n){"use strict";e.exports=function(e,n,r,i){var o=t("./util"),s=o.tryCatch,a=o.errorObj,c=e._async;e.prototype["break"]=e.prototype.cancel=function(){if(!i.cancellation())return this._warn("cancellation is disabled");for(var t=this,e=t;t._isCancellable();){if(!t._cancelBy(e)){e._isFollowing()?e._followee().cancel():e._cancelBranched();break}var n=t._cancellationParent;if(null==n||!n._isCancellable()){t._isFollowing()?t._followee().cancel():t._cancelBranched();break}t._isFollowing()&&t._followee().cancel(),t._setWillBeCancelled(),e=t,t=n}},e.prototype._branchHasCancelled=function(){this._branchesRemainingToCancel--},e.prototype._enoughBranchesHaveCancelled=function(){return void 0===this._branchesRemainingToCancel||this._branchesRemainingToCancel<=0},e.prototype._cancelBy=function(t){return t===this?(this._branchesRemainingToCancel=0,this._invokeOnCancel(),!0):(this._branchHasCancelled(),this._enoughBranchesHaveCancelled()?(this._invokeOnCancel(),!0):!1)},e.prototype._cancelBranched=function(){this._enoughBranchesHaveCancelled()&&this._cancel()},e.prototype._cancel=function(){this._isCancellable()&&(this._setCancelled(),c.invoke(this._cancelPromises,this,void 0))},e.prototype._cancelPromises=function(){this._length()>0&&this._settlePromises()},e.prototype._unsetOnCancel=function(){this._onCancelField=void 0},e.prototype._isCancellable=function(){return this.isPending()&&!this._isCancelled()},e.prototype.isCancellable=function(){return this.isPending()&&!this.isCancelled()},e.prototype._doInvokeOnCancel=function(t,e){if(o.isArray(t))for(var n=0;n<t.length;++n)this._doInvokeOnCancel(t[n],e);else if(void 0!==t)if("function"==typeof t){if(!e){var r=s(t).call(this._boundValue());r===a&&(this._attachExtraTrace(r.e),c.throwLater(r.e))}}else t._resultCancelled(this)},e.prototype._invokeOnCancel=function(){var t=this._onCancel();this._unsetOnCancel(),c.invoke(this._doInvokeOnCancel,this,t)},e.prototype._invokeInternalOnCancel=function(){this._isCancellable()&&(this._doInvokeOnCancel(this._onCancel(),!0),this._unsetOnCancel())},e.prototype._resultCancelled=function(){this.cancel()}}},{"./util":36}],7:[function(t,e,n){"use strict";e.exports=function(e){function n(t,n,a){return function(c){var u=a._boundValue();t:for(var l=0;l<t.length;++l){var p=t[l];if(p===Error||null!=p&&p.prototype instanceof Error){if(c instanceof p)return o(n).call(u,c)}else if("function"==typeof p){var f=o(p).call(u,c);if(f===s)return f;if(f)return o(n).call(u,c)}else if(r.isObject(c)){for(var h=i(p),_=0;_<h.length;++_){var d=h[_];if(p[d]!=c[d])continue t}return o(n).call(u,c)}}return e}}var r=t("./util"),i=t("./es5").keys,o=r.tryCatch,s=r.errorObj;return n}},{"./es5":13,"./util":36}],8:[function(t,e,n){"use strict";e.exports=function(t){function 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c.inherits(a,o),a.prototype.length=function(){return this._length},a.prototype.promise=function(){return this._promise},a.prototype._init=function u(t,n){var o=r(this._values,this._promise);if(o instanceof e){o=o._target();var a=o._bitField;if(this._values=o,0===(50397184&a))return this._promise._setAsyncGuaranteed(),o._then(u,this._reject,void 0,this,n);if(0===(33554432&a))return 0!==(16777216&a)?this._reject(o._reason()):this._cancel();o=o._value()}if(o=c.asArray(o),null===o){var l=i("expecting an array or an iterable object but got "+c.classString(o)).reason();return void this._promise._rejectCallback(l,!1)}return 0===o.length?void(-5===n?this._resolveEmptyArray():this._resolve(s(n))):void this._iterate(o)},a.prototype._iterate=function(t){var n=this.getActualLength(t.length);this._length=n,this._values=this.shouldCopyValues()?new Array(n):this._values;for(var i=this._promise,o=!1,s=null,a=0;n>a;++a){var c=r(t[a],i);c instanceof 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o&&(o=E),!h.isIdentifier(r))throw new RangeError("suffix must be a valid identifier\n\n    See http://goo.gl/MqrFmX\n");for(var s=h.inheritedDataKeys(t),a=0;a<s.length;++a){var c=t[s[a]];"constructor"!==s[a]&&h.isClass(c)&&(u(c.prototype,r,i,o,n),u(c,r,i,o,n))}return u(t,r,i,o,n)}}},{"./errors":12,"./nodeback":20,"./util":36}],25:[function(t,e,n){"use strict";e.exports=function(e,n,r,i){function o(t){var e,n=!1;if(void 0!==a&&t instanceof a)e=p(t),n=!0;else{var r=l.keys(t),i=r.length;e=new Array(2*i);for(var o=0;i>o;++o){var s=r[o];e[o]=t[s],e[o+i]=s}}this.constructor$(e),this._isMap=n,this._init$(void 0,n?-6:-3)}function s(t){var n,s=r(t);return u(s)?(n=s instanceof e?s._then(e.props,void 0,void 0,void 0,void 0):new o(s).promise(),s instanceof e&&n._propagateFrom(s,2),n):i("cannot await properties of a non-object\n\n    See http://goo.gl/MqrFmX\n")}var a,c=t("./util"),u=c.isObject,l=t("./es5");"function"==typeof Map&&(a=Map);var p=function(){function 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s=t("./util"),a=t("./errors").RangeError,c=t("./errors").AggregateError,u=s.isArray,l={};s.inherits(i,n),i.prototype._init=function(){if(this._initialized){if(0===this._howMany)return void this._resolve([]);this._init$(void 0,-5);var t=u(this._values);!this._isResolved()&&t&&this._howMany>this._canPossiblyFulfill()&&this._reject(this._getRangeError(this.length()))}},i.prototype.init=function(){this._initialized=!0,this._init()},i.prototype.setUnwrap=function(){this._unwrap=!0},i.prototype.howMany=function(){return this._howMany},i.prototype.setHowMany=function(t){this._howMany=t},i.prototype._promiseFulfilled=function(t){return this._addFulfilled(t),this._fulfilled()===this.howMany()?(this._values.length=this.howMany(),1===this.howMany()&&this._unwrap?this._resolve(this._values[0]):this._resolve(this._values),!0):!1},i.prototype._promiseRejected=function(t){return this._addRejected(t),this._checkOutcome()},i.prototype._promiseCancelled=function(){return this._values instanceof e||null==this._values?this._cancel():(this._addRejected(l),this._checkOutcome())},i.prototype._checkOutcome=function(){if(this.howMany()>this._canPossiblyFulfill()){for(var t=new c,e=this.length();e<this._values.length;++e)this._values[e]!==l&&t.push(this._values[e]);return t.length>0?this._reject(t):this._cancel(),!0}return!1},i.prototype._fulfilled=function(){return this._totalResolved},i.prototype._rejected=function(){return this._values.length-this.length()},i.prototype._addRejected=function(t){this._values.push(t)},i.prototype._addFulfilled=function(t){this._values[this._totalResolved++]=t},i.prototype._canPossiblyFulfill=function(){return this.length()-this._rejected()},i.prototype._getRangeError=function(t){var e="Input array must contain at least "+this._howMany+" items but contains only "+t+" items";return new a(e)},i.prototype._resolveEmptyArray=function(){this._reject(this._getRangeError(0))},e.some=function(t,e){return o(t,e)},e.prototype.some=function(t){return o(this,t)},e._SomePromiseArray=i}},{"./errors":12,"./util":36}],32:[function(t,e,n){"use strict";e.exports=function(t){function e(t){void 0!==t?(t=t._target(),this._bitField=t._bitField,this._settledValueField=t._isFateSealed()?t._settledValue():void 0):(this._bitField=0,this._settledValueField=void 0)}e.prototype._settledValue=function(){return this._settledValueField};var n=e.prototype.value=function(){if(!this.isFulfilled())throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\n\n    See http://goo.gl/MqrFmX\n");return this._settledValue()},r=e.prototype.error=e.prototype.reason=function(){if(!this.isRejected())throw new TypeError("cannot get rejection reason of a non-rejected promise\n\n    See http://goo.gl/MqrFmX\n");return this._settledValue()},i=e.prototype.isFulfilled=function(){return 0!==(33554432&this._bitField)},o=e.prototype.isRejected=function(){return 0!==(16777216&this._bitField)},s=e.prototype.isPending=function(){return 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this._unsetRejectionIsUnhandled(),this._settledValue()},t.PromiseInspection=e}},{}],33:[function(t,e,n){"use strict";e.exports=function(e,n){function r(t,r){if(l(t)){if(t instanceof e)return t;var i=o(t);if(i===u){r&&r._pushContext();var c=e.reject(i.e);return r&&r._popContext(),c}if("function"==typeof i){if(s(t)){var c=new e(n);return t._then(c._fulfill,c._reject,void 0,c,null),c}return a(t,i,r)}}return t}function i(t){return t.then}function o(t){try{return i(t)}catch(e){return u.e=e,u}}function s(t){try{return p.call(t,"_promise0")}catch(e){return!1}}function a(t,r,i){function o(t){a&&(a._resolveCallback(t),a=null)}function s(t){a&&(a._rejectCallback(t,p,!0),a=null)}var a=new e(n),l=a;i&&i._pushContext(),a._captureStackTrace(),i&&i._popContext();var p=!0,f=c.tryCatch(r).call(t,o,s);return p=!1,a&&f===u&&(a._rejectCallback(f.e,!0,!0),a=null),l}var c=t("./util"),u=c.errorObj,l=c.isObject,p={}.hasOwnProperty;return r}},{"./util":36}],34:[function(t,e,n){"use 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_=t("./util"),d=t("./errors").TypeError,v=t("./util").inherits,y=_.errorObj,g=_.tryCatch,m={};l.prototype.data=function(){return this._data},l.prototype.promise=function(){return this._promise},l.prototype.resource=function(){return this.promise().isFulfilled()?this.promise().value():m},l.prototype.tryDispose=function(t){var e=this.resource(),n=this._context;void 0!==n&&n._pushContext();var r=e!==m?this.doDispose(e,t):null;return void 0!==n&&n._popContext(),this._promise._unsetDisposable(),this._data=null,r},l.isDisposer=function(t){return null!=t&&"function"==typeof t.resource&&"function"==typeof t.tryDispose},v(p,l),p.prototype.doDispose=function(t,e){var n=this.data();return n.call(t,t,e)},h.prototype._resultCancelled=function(){for(var t=this.length,n=0;t>n;++n){var r=this[n];r instanceof e&&r.cancel()}},e.using=function(){var t=arguments.length;if(2>t)return n("you must pass at least 2 arguments to Promise.using");var i=arguments[t-1];if("function"!=typeof i)return n("expecting a 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\ No newline at end of file
diff --git a/node_modules/bluebird/js/release/any.js b/node_modules/bluebird/js/release/any.js
new file mode 100644
index 00000000..05a6228e
--- /dev/null
+++ b/node_modules/bluebird/js/release/any.js
@@ -0,0 +1,21 @@
+"use strict";
+module.exports = function(Promise) {
+var SomePromiseArray = Promise._SomePromiseArray;
+function any(promises) {
+    var ret = new SomePromiseArray(promises);
+    var promise = ret.promise();
+    ret.setHowMany(1);
+    ret.setUnwrap();
+    ret.init();
+    return promise;
+}
+
+Promise.any = function (promises) {
+    return any(promises);
+};
+
+Promise.prototype.any = function () {
+    return any(this);
+};
+
+};
diff --git a/node_modules/bluebird/js/release/assert.js b/node_modules/bluebird/js/release/assert.js
new file mode 100644
index 00000000..4518231a
--- /dev/null
+++ b/node_modules/bluebird/js/release/assert.js
@@ -0,0 +1,55 @@
+"use strict";
+module.exports = (function(){
+var AssertionError = (function() {
+    function AssertionError(a) {
+        this.constructor$(a);
+        this.message = a;
+        this.name = "AssertionError";
+    }
+    AssertionError.prototype = new Error();
+    AssertionError.prototype.constructor = AssertionError;
+    AssertionError.prototype.constructor$ = Error;
+    return AssertionError;
+})();
+
+function getParams(args) {
+    var params = [];
+    for (var i = 0; i < args.length; ++i) params.push("arg" + i);
+    return params;
+}
+
+function nativeAssert(callName, args, expect) {
+    try {
+        var params = getParams(args);
+        var constructorArgs = params;
+        constructorArgs.push("return " +
+                callName + "("+ params.join(",") + ");");
+        var fn = Function.apply(null, constructorArgs);
+        return fn.apply(null, args);
+    } catch (e) {
+        if (!(e instanceof SyntaxError)) {
+            throw e;
+        } else {
+            return expect;
+        }
+    }
+}
+
+return function assert(boolExpr, message) {
+    if (boolExpr === true) return;
+
+    if (typeof boolExpr === "string" &&
+        boolExpr.charAt(0) === "%") {
+        var nativeCallName = boolExpr;
+        var $_len = arguments.length;var args = new Array(Math.max($_len - 2, 0)); for(var $_i = 2; $_i < $_len; ++$_i) {args[$_i - 2] = arguments[$_i];};
+        if (nativeAssert(nativeCallName, args, message) === message) return;
+        message = (nativeCallName + " !== " + message);
+    }
+
+    var ret = new AssertionError(message);
+    if (Error.captureStackTrace) {
+        Error.captureStackTrace(ret, assert);
+    }
+    throw ret;
+};
+})();
diff --git a/node_modules/bluebird/js/release/async.js b/node_modules/bluebird/js/release/async.js
new file mode 100644
index 00000000..8eab6f88
--- /dev/null
+++ b/node_modules/bluebird/js/release/async.js
@@ -0,0 +1,120 @@
+"use strict";
+var firstLineError;
+try {throw new Error(); } catch (e) {firstLineError = e;}
+var schedule = require("./schedule");
+var Queue = require("./queue");
+
+function Async() {
+    this._customScheduler = false;
+    this._isTickUsed = false;
+    this._lateQueue = new Queue(16);
+    this._normalQueue = new Queue(16);
+    this._haveDrainedQueues = false;
+    var self = this;
+    this.drainQueues = function () {
+        self._drainQueues();
+    };
+    this._schedule = schedule;
+}
+
+Async.prototype.setScheduler = function(fn) {
+    var prev = this._schedule;
+    this._schedule = fn;
+    this._customScheduler = true;
+    return prev;
+};
+
+Async.prototype.hasCustomScheduler = function() {
+    return this._customScheduler;
+};
+
+Async.prototype.haveItemsQueued = function () {
+    return this._isTickUsed || this._haveDrainedQueues;
+};
+
+
+Async.prototype.fatalError = function(e, isNode) {
+    if (isNode) {
+        process.stderr.write("Fatal " + (e instanceof Error ? e.stack : e) +
+            "\n");
+        process.exit(2);
+    } else {
+        this.throwLater(e);
+    }
+};
+
+Async.prototype.throwLater = function(fn, arg) {
+    if (arguments.length === 1) {
+        arg = fn;
+        fn = function () { throw arg; };
+    }
+    if (typeof setTimeout !== "undefined") {
+        setTimeout(function() {
+            fn(arg);
+        }, 0);
+    } else try {
+        this._schedule(function() {
+            fn(arg);
+        });
+    } catch (e) {
+        throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+};
+
+function AsyncInvokeLater(fn, receiver, arg) {
+    this._lateQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncInvoke(fn, receiver, arg) {
+    this._normalQueue.push(fn, receiver, arg);
+    this._queueTick();
+}
+
+function AsyncSettlePromises(promise) {
+    this._normalQueue._pushOne(promise);
+    this._queueTick();
+}
+
+Async.prototype.invokeLater = AsyncInvokeLater;
+Async.prototype.invoke = AsyncInvoke;
+Async.prototype.settlePromises = AsyncSettlePromises;
+
+
+function _drainQueue(queue) {
+    while (queue.length() > 0) {
+        _drainQueueStep(queue);
+    }
+}
+
+function _drainQueueStep(queue) {
+    var fn = queue.shift();
+    if (typeof fn !== "function") {
+        fn._settlePromises();
+    } else {
+        var receiver = queue.shift();
+        var arg = queue.shift();
+        fn.call(receiver, arg);
+    }
+}
+
+Async.prototype._drainQueues = function () {
+    _drainQueue(this._normalQueue);
+    this._reset();
+    this._haveDrainedQueues = true;
+    _drainQueue(this._lateQueue);
+};
+
+Async.prototype._queueTick = function () {
+    if (!this._isTickUsed) {
+        this._isTickUsed = true;
+        this._schedule(this.drainQueues);
+    }
+};
+
+Async.prototype._reset = function () {
+    this._isTickUsed = false;
+};
+
+module.exports = Async;
+module.exports.firstLineError = firstLineError;
diff --git a/node_modules/bluebird/js/release/bind.js b/node_modules/bluebird/js/release/bind.js
new file mode 100644
index 00000000..fc3379db
--- /dev/null
+++ b/node_modules/bluebird/js/release/bind.js
@@ -0,0 +1,67 @@
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise, debug) {
+var calledBind = false;
+var rejectThis = function(_, e) {
+    this._reject(e);
+};
+
+var targetRejected = function(e, context) {
+    context.promiseRejectionQueued = true;
+    context.bindingPromise._then(rejectThis, rejectThis, null, this, e);
+};
+
+var bindingResolved = function(thisArg, context) {
+    if (((this._bitField & 50397184) === 0)) {
+        this._resolveCallback(context.target);
+    }
+};
+
+var bindingRejected = function(e, context) {
+    if (!context.promiseRejectionQueued) this._reject(e);
+};
+
+Promise.prototype.bind = function (thisArg) {
+    if (!calledBind) {
+        calledBind = true;
+        Promise.prototype._propagateFrom = debug.propagateFromFunction();
+        Promise.prototype._boundValue = debug.boundValueFunction();
+    }
+    var maybePromise = tryConvertToPromise(thisArg);
+    var ret = new Promise(INTERNAL);
+    ret._propagateFrom(this, 1);
+    var target = this._target();
+    ret._setBoundTo(maybePromise);
+    if (maybePromise instanceof Promise) {
+        var context = {
+            promiseRejectionQueued: false,
+            promise: ret,
+            target: target,
+            bindingPromise: maybePromise
+        };
+        target._then(INTERNAL, targetRejected, undefined, ret, context);
+        maybePromise._then(
+            bindingResolved, bindingRejected, undefined, ret, context);
+        ret._setOnCancel(maybePromise);
+    } else {
+        ret._resolveCallback(target);
+    }
+    return ret;
+};
+
+Promise.prototype._setBoundTo = function (obj) {
+    if (obj !== undefined) {
+        this._bitField = this._bitField | 2097152;
+        this._boundTo = obj;
+    } else {
+        this._bitField = this._bitField & (~2097152);
+    }
+};
+
+Promise.prototype._isBound = function () {
+    return (this._bitField & 2097152) === 2097152;
+};
+
+Promise.bind = function (thisArg, value) {
+    return Promise.resolve(value).bind(thisArg);
+};
+};
diff --git a/node_modules/bluebird/js/release/bluebird.js b/node_modules/bluebird/js/release/bluebird.js
new file mode 100644
index 00000000..1c36cf36
--- /dev/null
+++ b/node_modules/bluebird/js/release/bluebird.js
@@ -0,0 +1,11 @@
+"use strict";
+var old;
+if (typeof Promise !== "undefined") old = Promise;
+function noConflict() {
+    try { if (Promise === bluebird) Promise = old; }
+    catch (e) {}
+    return bluebird;
+}
+var bluebird = require("./promise")();
+bluebird.noConflict = noConflict;
+module.exports = bluebird;
diff --git a/node_modules/bluebird/js/release/call_get.js b/node_modules/bluebird/js/release/call_get.js
new file mode 100644
index 00000000..0ed7714a
--- /dev/null
+++ b/node_modules/bluebird/js/release/call_get.js
@@ -0,0 +1,123 @@
+"use strict";
+var cr = Object.create;
+if (cr) {
+    var callerCache = cr(null);
+    var getterCache = cr(null);
+    callerCache[" size"] = getterCache[" size"] = 0;
+}
+
+module.exports = function(Promise) {
+var util = require("./util");
+var canEvaluate = util.canEvaluate;
+var isIdentifier = util.isIdentifier;
+
+var getMethodCaller;
+var getGetter;
+if (!false) {
+var makeMethodCaller = function (methodName) {
+    return new Function("ensureMethod", "                                    \n\
+        return function(obj) {                                               \n\
+            'use strict'                                                     \n\
+            var len = this.length;                                           \n\
+            ensureMethod(obj, 'methodName');                                 \n\
+            switch(len) {                                                    \n\
+                case 1: return obj.methodName(this[0]);                      \n\
+                case 2: return obj.methodName(this[0], this[1]);             \n\
+                case 3: return obj.methodName(this[0], this[1], this[2]);    \n\
+                case 0: return obj.methodName();                             \n\
+                default:                                                     \n\
+                    return obj.methodName.apply(obj, this);                  \n\
+            }                                                                \n\
+        };                                                                   \n\
+        ".replace(/methodName/g, methodName))(ensureMethod);
+};
+
+var makeGetter = function (propertyName) {
+    return new Function("obj", "                                             \n\
+        'use strict';                                                        \n\
+        return obj.propertyName;                                             \n\
+        ".replace("propertyName", propertyName));
+};
+
+var getCompiled = function(name, compiler, cache) {
+    var ret = cache[name];
+    if (typeof ret !== "function") {
+        if (!isIdentifier(name)) {
+            return null;
+        }
+        ret = compiler(name);
+        cache[name] = ret;
+        cache[" size"]++;
+        if (cache[" size"] > 512) {
+            var keys = Object.keys(cache);
+            for (var i = 0; i < 256; ++i) delete cache[keys[i]];
+            cache[" size"] = keys.length - 256;
+        }
+    }
+    return ret;
+};
+
+getMethodCaller = function(name) {
+    return getCompiled(name, makeMethodCaller, callerCache);
+};
+
+getGetter = function(name) {
+    return getCompiled(name, makeGetter, getterCache);
+};
+}
+
+function ensureMethod(obj, methodName) {
+    var fn;
+    if (obj != null) fn = obj[methodName];
+    if (typeof fn !== "function") {
+        var message = "Object " + util.classString(obj) + " has no method '" +
+            util.toString(methodName) + "'";
+        throw new Promise.TypeError(message);
+    }
+    return fn;
+}
+
+function caller(obj) {
+    var methodName = this.pop();
+    var fn = ensureMethod(obj, methodName);
+    return fn.apply(obj, this);
+}
+Promise.prototype.call = function (methodName) {
+    var $_len = arguments.length;var args = new Array(Math.max($_len - 1, 0)); for(var $_i = 1; $_i < $_len; ++$_i) {args[$_i - 1] = arguments[$_i];};
+    if (!false) {
+        if (canEvaluate) {
+            var maybeCaller = getMethodCaller(methodName);
+            if (maybeCaller !== null) {
+                return this._then(
+                    maybeCaller, undefined, undefined, args, undefined);
+            }
+        }
+    }
+    args.push(methodName);
+    return this._then(caller, undefined, undefined, args, undefined);
+};
+
+function namedGetter(obj) {
+    return obj[this];
+}
+function indexedGetter(obj) {
+    var index = +this;
+    if (index < 0) index = Math.max(0, index + obj.length);
+    return obj[index];
+}
+Promise.prototype.get = function (propertyName) {
+    var isIndex = (typeof propertyName === "number");
+    var getter;
+    if (!isIndex) {
+        if (canEvaluate) {
+            var maybeGetter = getGetter(propertyName);
+            getter = maybeGetter !== null ? maybeGetter : namedGetter;
+        } else {
+            getter = namedGetter;
+        }
+    } else {
+        getter = indexedGetter;
+    }
+    return this._then(getter, undefined, undefined, propertyName, undefined);
+};
+};
diff --git a/node_modules/bluebird/js/release/cancel.js b/node_modules/bluebird/js/release/cancel.js
new file mode 100644
index 00000000..7a12415e
--- /dev/null
+++ b/node_modules/bluebird/js/release/cancel.js
@@ -0,0 +1,129 @@
+"use strict";
+module.exports = function(Promise, PromiseArray, apiRejection, debug) {
+var util = require("./util");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var async = Promise._async;
+
+Promise.prototype["break"] = Promise.prototype.cancel = function() {
+    if (!debug.cancellation()) return this._warn("cancellation is disabled");
+
+    var promise = this;
+    var child = promise;
+    while (promise._isCancellable()) {
+        if (!promise._cancelBy(child)) {
+            if (child._isFollowing()) {
+                child._followee().cancel();
+            } else {
+                child._cancelBranched();
+            }
+            break;
+        }
+
+        var parent = promise._cancellationParent;
+        if (parent == null || !parent._isCancellable()) {
+            if (promise._isFollowing()) {
+                promise._followee().cancel();
+            } else {
+                promise._cancelBranched();
+            }
+            break;
+        } else {
+            if (promise._isFollowing()) promise._followee().cancel();
+            promise._setWillBeCancelled();
+            child = promise;
+            promise = parent;
+        }
+    }
+};
+
+Promise.prototype._branchHasCancelled = function() {
+    this._branchesRemainingToCancel--;
+};
+
+Promise.prototype._enoughBranchesHaveCancelled = function() {
+    return this._branchesRemainingToCancel === undefined ||
+           this._branchesRemainingToCancel <= 0;
+};
+
+Promise.prototype._cancelBy = function(canceller) {
+    if (canceller === this) {
+        this._branchesRemainingToCancel = 0;
+        this._invokeOnCancel();
+        return true;
+    } else {
+        this._branchHasCancelled();
+        if (this._enoughBranchesHaveCancelled()) {
+            this._invokeOnCancel();
+            return true;
+        }
+    }
+    return false;
+};
+
+Promise.prototype._cancelBranched = function() {
+    if (this._enoughBranchesHaveCancelled()) {
+        this._cancel();
+    }
+};
+
+Promise.prototype._cancel = function() {
+    if (!this._isCancellable()) return;
+    this._setCancelled();
+    async.invoke(this._cancelPromises, this, undefined);
+};
+
+Promise.prototype._cancelPromises = function() {
+    if (this._length() > 0) this._settlePromises();
+};
+
+Promise.prototype._unsetOnCancel = function() {
+    this._onCancelField = undefined;
+};
+
+Promise.prototype._isCancellable = function() {
+    return this.isPending() && !this._isCancelled();
+};
+
+Promise.prototype.isCancellable = function() {
+    return this.isPending() && !this.isCancelled();
+};
+
+Promise.prototype._doInvokeOnCancel = function(onCancelCallback, internalOnly) {
+    if (util.isArray(onCancelCallback)) {
+        for (var i = 0; i < onCancelCallback.length; ++i) {
+            this._doInvokeOnCancel(onCancelCallback[i], internalOnly);
+        }
+    } else if (onCancelCallback !== undefined) {
+        if (typeof onCancelCallback === "function") {
+            if (!internalOnly) {
+                var e = tryCatch(onCancelCallback).call(this._boundValue());
+                if (e === errorObj) {
+                    this._attachExtraTrace(e.e);
+                    async.throwLater(e.e);
+                }
+            }
+        } else {
+            onCancelCallback._resultCancelled(this);
+        }
+    }
+};
+
+Promise.prototype._invokeOnCancel = function() {
+    var onCancelCallback = this._onCancel();
+    this._unsetOnCancel();
+    async.invoke(this._doInvokeOnCancel, this, onCancelCallback);
+};
+
+Promise.prototype._invokeInternalOnCancel = function() {
+    if (this._isCancellable()) {
+        this._doInvokeOnCancel(this._onCancel(), true);
+        this._unsetOnCancel();
+    }
+};
+
+Promise.prototype._resultCancelled = function() {
+    this.cancel();
+};
+
+};
diff --git a/node_modules/bluebird/js/release/catch_filter.js b/node_modules/bluebird/js/release/catch_filter.js
new file mode 100644
index 00000000..0f24ce23
--- /dev/null
+++ b/node_modules/bluebird/js/release/catch_filter.js
@@ -0,0 +1,42 @@
+"use strict";
+module.exports = function(NEXT_FILTER) {
+var util = require("./util");
+var getKeys = require("./es5").keys;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+
+function catchFilter(instances, cb, promise) {
+    return function(e) {
+        var boundTo = promise._boundValue();
+        predicateLoop: for (var i = 0; i < instances.length; ++i) {
+            var item = instances[i];
+
+            if (item === Error ||
+                (item != null && item.prototype instanceof Error)) {
+                if (e instanceof item) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (typeof item === "function") {
+                var matchesPredicate = tryCatch(item).call(boundTo, e);
+                if (matchesPredicate === errorObj) {
+                    return matchesPredicate;
+                } else if (matchesPredicate) {
+                    return tryCatch(cb).call(boundTo, e);
+                }
+            } else if (util.isObject(e)) {
+                var keys = getKeys(item);
+                for (var j = 0; j < keys.length; ++j) {
+                    var key = keys[j];
+                    if (item[key] != e[key]) {
+                        continue predicateLoop;
+                    }
+                }
+                return tryCatch(cb).call(boundTo, e);
+            }
+        }
+        return NEXT_FILTER;
+    };
+}
+
+return catchFilter;
+};
diff --git a/node_modules/bluebird/js/release/context.js b/node_modules/bluebird/js/release/context.js
new file mode 100644
index 00000000..c307414f
--- /dev/null
+++ b/node_modules/bluebird/js/release/context.js
@@ -0,0 +1,69 @@
+"use strict";
+module.exports = function(Promise) {
+var longStackTraces = false;
+var contextStack = [];
+
+Promise.prototype._promiseCreated = function() {};
+Promise.prototype._pushContext = function() {};
+Promise.prototype._popContext = function() {return null;};
+Promise._peekContext = Promise.prototype._peekContext = function() {};
+
+function Context() {
+    this._trace = new Context.CapturedTrace(peekContext());
+}
+Context.prototype._pushContext = function () {
+    if (this._trace !== undefined) {
+        this._trace._promiseCreated = null;
+        contextStack.push(this._trace);
+    }
+};
+
+Context.prototype._popContext = function () {
+    if (this._trace !== undefined) {
+        var trace = contextStack.pop();
+        var ret = trace._promiseCreated;
+        trace._promiseCreated = null;
+        return ret;
+    }
+    return null;
+};
+
+function createContext() {
+    if (longStackTraces) return new Context();
+}
+
+function peekContext() {
+    var lastIndex = contextStack.length - 1;
+    if (lastIndex >= 0) {
+        return contextStack[lastIndex];
+    }
+    return undefined;
+}
+Context.CapturedTrace = null;
+Context.create = createContext;
+Context.deactivateLongStackTraces = function() {};
+Context.activateLongStackTraces = function() {
+    var Promise_pushContext = Promise.prototype._pushContext;
+    var Promise_popContext = Promise.prototype._popContext;
+    var Promise_PeekContext = Promise._peekContext;
+    var Promise_peekContext = Promise.prototype._peekContext;
+    var Promise_promiseCreated = Promise.prototype._promiseCreated;
+    Context.deactivateLongStackTraces = function() {
+        Promise.prototype._pushContext = Promise_pushContext;
+        Promise.prototype._popContext = Promise_popContext;
+        Promise._peekContext = Promise_PeekContext;
+        Promise.prototype._peekContext = Promise_peekContext;
+        Promise.prototype._promiseCreated = Promise_promiseCreated;
+        longStackTraces = false;
+    };
+    longStackTraces = true;
+    Promise.prototype._pushContext = Context.prototype._pushContext;
+    Promise.prototype._popContext = Context.prototype._popContext;
+    Promise._peekContext = Promise.prototype._peekContext = peekContext;
+    Promise.prototype._promiseCreated = function() {
+        var ctx = this._peekContext();
+        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
+    };
+};
+return Context;
+};
diff --git a/node_modules/bluebird/js/release/debuggability.js b/node_modules/bluebird/js/release/debuggability.js
new file mode 100644
index 00000000..ce997eeb
--- /dev/null
+++ b/node_modules/bluebird/js/release/debuggability.js
@@ -0,0 +1,1009 @@
+"use strict";
+module.exports = function(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks) {
+var async = Promise._async;
+var Warning = require("./errors").Warning;
+var util = require("./util");
+var es5 = require("./es5");
+var canAttachTrace = util.canAttachTrace;
+var unhandledRejectionHandled;
+var possiblyUnhandledRejection;
+var bluebirdFramePattern =
+    /[\\\/]bluebird[\\\/]js[\\\/](release|debug|instrumented)/;
+var nodeFramePattern = /\((?:timers\.js):\d+:\d+\)/;
+var parseLinePattern = /[\/<\(](.+?):(\d+):(\d+)\)?\s*$/;
+var stackFramePattern = null;
+var formatStack = null;
+var indentStackFrames = false;
+var printWarning;
+var debugging = !!(util.env("BLUEBIRD_DEBUG") != 0 &&
+                        (false ||
+                         util.env("BLUEBIRD_DEBUG") ||
+                         util.env("NODE_ENV") === "development"));
+
+var warnings = !!(util.env("BLUEBIRD_WARNINGS") != 0 &&
+    (debugging || util.env("BLUEBIRD_WARNINGS")));
+
+var longStackTraces = !!(util.env("BLUEBIRD_LONG_STACK_TRACES") != 0 &&
+    (debugging || util.env("BLUEBIRD_LONG_STACK_TRACES")));
+
+var wForgottenReturn = util.env("BLUEBIRD_W_FORGOTTEN_RETURN") != 0 &&
+    (warnings || !!util.env("BLUEBIRD_W_FORGOTTEN_RETURN"));
+
+var deferUnhandledRejectionCheck;
+(function() {
+    var promises = [];
+
+    function unhandledRejectionCheck() {
+        for (var i = 0; i < promises.length; ++i) {
+            promises[i]._notifyUnhandledRejection();
+        }
+        unhandledRejectionClear();
+    }
+
+    function unhandledRejectionClear() {
+        promises.length = 0;
+    }
+
+    deferUnhandledRejectionCheck = function(promise) {
+        promises.push(promise);
+        setTimeout(unhandledRejectionCheck, 1);
+    };
+
+    es5.defineProperty(Promise, "_unhandledRejectionCheck", {
+        value: unhandledRejectionCheck
+    });
+    es5.defineProperty(Promise, "_unhandledRejectionClear", {
+        value: unhandledRejectionClear
+    });
+})();
+
+Promise.prototype.suppressUnhandledRejections = function() {
+    var target = this._target();
+    target._bitField = ((target._bitField & (~1048576)) |
+                      524288);
+};
+
+Promise.prototype._ensurePossibleRejectionHandled = function () {
+    if ((this._bitField & 524288) !== 0) return;
+    this._setRejectionIsUnhandled();
+    deferUnhandledRejectionCheck(this);
+};
+
+Promise.prototype._notifyUnhandledRejectionIsHandled = function () {
+    fireRejectionEvent("rejectionHandled",
+                                  unhandledRejectionHandled, undefined, this);
+};
+
+Promise.prototype._setReturnedNonUndefined = function() {
+    this._bitField = this._bitField | 268435456;
+};
+
+Promise.prototype._returnedNonUndefined = function() {
+    return (this._bitField & 268435456) !== 0;
+};
+
+Promise.prototype._notifyUnhandledRejection = function () {
+    if (this._isRejectionUnhandled()) {
+        var reason = this._settledValue();
+        this._setUnhandledRejectionIsNotified();
+        fireRejectionEvent("unhandledRejection",
+                                      possiblyUnhandledRejection, reason, this);
+    }
+};
+
+Promise.prototype._setUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField | 262144;
+};
+
+Promise.prototype._unsetUnhandledRejectionIsNotified = function () {
+    this._bitField = this._bitField & (~262144);
+};
+
+Promise.prototype._isUnhandledRejectionNotified = function () {
+    return (this._bitField & 262144) > 0;
+};
+
+Promise.prototype._setRejectionIsUnhandled = function () {
+    this._bitField = this._bitField | 1048576;
+};
+
+Promise.prototype._unsetRejectionIsUnhandled = function () {
+    this._bitField = this._bitField & (~1048576);
+    if (this._isUnhandledRejectionNotified()) {
+        this._unsetUnhandledRejectionIsNotified();
+        this._notifyUnhandledRejectionIsHandled();
+    }
+};
+
+Promise.prototype._isRejectionUnhandled = function () {
+    return (this._bitField & 1048576) > 0;
+};
+
+Promise.prototype._warn = function(message, shouldUseOwnTrace, promise) {
+    return warn(message, shouldUseOwnTrace, promise || this);
+};
+
+Promise.onPossiblyUnhandledRejection = function (fn) {
+    var context = Promise._getContext();
+    possiblyUnhandledRejection = util.contextBind(context, fn);
+};
+
+Promise.onUnhandledRejectionHandled = function (fn) {
+    var context = Promise._getContext();
+    unhandledRejectionHandled = util.contextBind(context, fn);
+};
+
+var disableLongStackTraces = function() {};
+Promise.longStackTraces = function () {
+    if (async.haveItemsQueued() && !config.longStackTraces) {
+        throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (!config.longStackTraces && longStackTracesIsSupported()) {
+        var Promise_captureStackTrace = Promise.prototype._captureStackTrace;
+        var Promise_attachExtraTrace = Promise.prototype._attachExtraTrace;
+        var Promise_dereferenceTrace = Promise.prototype._dereferenceTrace;
+        config.longStackTraces = true;
+        disableLongStackTraces = function() {
+            if (async.haveItemsQueued() && !config.longStackTraces) {
+                throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+            }
+            Promise.prototype._captureStackTrace = Promise_captureStackTrace;
+            Promise.prototype._attachExtraTrace = Promise_attachExtraTrace;
+            Promise.prototype._dereferenceTrace = Promise_dereferenceTrace;
+            Context.deactivateLongStackTraces();
+            config.longStackTraces = false;
+        };
+        Promise.prototype._captureStackTrace = longStackTracesCaptureStackTrace;
+        Promise.prototype._attachExtraTrace = longStackTracesAttachExtraTrace;
+        Promise.prototype._dereferenceTrace = longStackTracesDereferenceTrace;
+        Context.activateLongStackTraces();
+    }
+};
+
+Promise.hasLongStackTraces = function () {
+    return config.longStackTraces && longStackTracesIsSupported();
+};
+
+
+var legacyHandlers = {
+    unhandledrejection: {
+        before: function() {
+            var ret = util.global.onunhandledrejection;
+            util.global.onunhandledrejection = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onunhandledrejection = fn;
+        }
+    },
+    rejectionhandled: {
+        before: function() {
+            var ret = util.global.onrejectionhandled;
+            util.global.onrejectionhandled = null;
+            return ret;
+        },
+        after: function(fn) {
+            util.global.onrejectionhandled = fn;
+        }
+    }
+};
+
+var fireDomEvent = (function() {
+    var dispatch = function(legacy, e) {
+        if (legacy) {
+            var fn;
+            try {
+                fn = legacy.before();
+                return !util.global.dispatchEvent(e);
+            } finally {
+                legacy.after(fn);
+            }
+        } else {
+            return !util.global.dispatchEvent(e);
+        }
+    };
+    try {
+        if (typeof CustomEvent === "function") {
+            var event = new CustomEvent("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var eventData = {
+                    detail: event,
+                    cancelable: true
+                };
+                var domEvent = new CustomEvent(name, eventData);
+                es5.defineProperty(
+                    domEvent, "promise", {value: event.promise});
+                es5.defineProperty(
+                    domEvent, "reason", {value: event.reason});
+
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else if (typeof Event === "function") {
+            var event = new Event("CustomEvent");
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = new Event(name, {
+                    cancelable: true
+                });
+                domEvent.detail = event;
+                es5.defineProperty(domEvent, "promise", {value: event.promise});
+                es5.defineProperty(domEvent, "reason", {value: event.reason});
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        } else {
+            var event = document.createEvent("CustomEvent");
+            event.initCustomEvent("testingtheevent", false, true, {});
+            util.global.dispatchEvent(event);
+            return function(name, event) {
+                name = name.toLowerCase();
+                var domEvent = document.createEvent("CustomEvent");
+                domEvent.initCustomEvent(name, false, true,
+                    event);
+                return dispatch(legacyHandlers[name], domEvent);
+            };
+        }
+    } catch (e) {}
+    return function() {
+        return false;
+    };
+})();
+
+var fireGlobalEvent = (function() {
+    if (util.isNode) {
+        return function() {
+            return process.emit.apply(process, arguments);
+        };
+    } else {
+        if (!util.global) {
+            return function() {
+                return false;
+            };
+        }
+        return function(name) {
+            var methodName = "on" + name.toLowerCase();
+            var method = util.global[methodName];
+            if (!method) return false;
+            method.apply(util.global, [].slice.call(arguments, 1));
+            return true;
+        };
+    }
+})();
+
+function generatePromiseLifecycleEventObject(name, promise) {
+    return {promise: promise};
+}
+
+var eventToObjectGenerator = {
+    promiseCreated: generatePromiseLifecycleEventObject,
+    promiseFulfilled: generatePromiseLifecycleEventObject,
+    promiseRejected: generatePromiseLifecycleEventObject,
+    promiseResolved: generatePromiseLifecycleEventObject,
+    promiseCancelled: generatePromiseLifecycleEventObject,
+    promiseChained: function(name, promise, child) {
+        return {promise: promise, child: child};
+    },
+    warning: function(name, warning) {
+        return {warning: warning};
+    },
+    unhandledRejection: function (name, reason, promise) {
+        return {reason: reason, promise: promise};
+    },
+    rejectionHandled: generatePromiseLifecycleEventObject
+};
+
+var activeFireEvent = function (name) {
+    var globalEventFired = false;
+    try {
+        globalEventFired = fireGlobalEvent.apply(null, arguments);
+    } catch (e) {
+        async.throwLater(e);
+        globalEventFired = true;
+    }
+
+    var domEventFired = false;
+    try {
+        domEventFired = fireDomEvent(name,
+                    eventToObjectGenerator[name].apply(null, arguments));
+    } catch (e) {
+        async.throwLater(e);
+        domEventFired = true;
+    }
+
+    return domEventFired || globalEventFired;
+};
+
+Promise.config = function(opts) {
+    opts = Object(opts);
+    if ("longStackTraces" in opts) {
+        if (opts.longStackTraces) {
+            Promise.longStackTraces();
+        } else if (!opts.longStackTraces && Promise.hasLongStackTraces()) {
+            disableLongStackTraces();
+        }
+    }
+    if ("warnings" in opts) {
+        var warningsOption = opts.warnings;
+        config.warnings = !!warningsOption;
+        wForgottenReturn = config.warnings;
+
+        if (util.isObject(warningsOption)) {
+            if ("wForgottenReturn" in warningsOption) {
+                wForgottenReturn = !!warningsOption.wForgottenReturn;
+            }
+        }
+    }
+    if ("cancellation" in opts && opts.cancellation && !config.cancellation) {
+        if (async.haveItemsQueued()) {
+            throw new Error(
+                "cannot enable cancellation after promises are in use");
+        }
+        Promise.prototype._clearCancellationData =
+            cancellationClearCancellationData;
+        Promise.prototype._propagateFrom = cancellationPropagateFrom;
+        Promise.prototype._onCancel = cancellationOnCancel;
+        Promise.prototype._setOnCancel = cancellationSetOnCancel;
+        Promise.prototype._attachCancellationCallback =
+            cancellationAttachCancellationCallback;
+        Promise.prototype._execute = cancellationExecute;
+        propagateFromFunction = cancellationPropagateFrom;
+        config.cancellation = true;
+    }
+    if ("monitoring" in opts) {
+        if (opts.monitoring && !config.monitoring) {
+            config.monitoring = true;
+            Promise.prototype._fireEvent = activeFireEvent;
+        } else if (!opts.monitoring && config.monitoring) {
+            config.monitoring = false;
+            Promise.prototype._fireEvent = defaultFireEvent;
+        }
+    }
+    if ("asyncHooks" in opts && util.nodeSupportsAsyncResource) {
+        var prev = config.asyncHooks;
+        var cur = !!opts.asyncHooks;
+        if (prev !== cur) {
+            config.asyncHooks = cur;
+            if (cur) {
+                enableAsyncHooks();
+            } else {
+                disableAsyncHooks();
+            }
+        }
+    }
+    return Promise;
+};
+
+function defaultFireEvent() { return false; }
+
+Promise.prototype._fireEvent = defaultFireEvent;
+Promise.prototype._execute = function(executor, resolve, reject) {
+    try {
+        executor(resolve, reject);
+    } catch (e) {
+        return e;
+    }
+};
+Promise.prototype._onCancel = function () {};
+Promise.prototype._setOnCancel = function (handler) { ; };
+Promise.prototype._attachCancellationCallback = function(onCancel) {
+    ;
+};
+Promise.prototype._captureStackTrace = function () {};
+Promise.prototype._attachExtraTrace = function () {};
+Promise.prototype._dereferenceTrace = function () {};
+Promise.prototype._clearCancellationData = function() {};
+Promise.prototype._propagateFrom = function (parent, flags) {
+    ;
+    ;
+};
+
+function cancellationExecute(executor, resolve, reject) {
+    var promise = this;
+    try {
+        executor(resolve, reject, function(onCancel) {
+            if (typeof onCancel !== "function") {
+                throw new TypeError("onCancel must be a function, got: " +
+                                    util.toString(onCancel));
+            }
+            promise._attachCancellationCallback(onCancel);
+        });
+    } catch (e) {
+        return e;
+    }
+}
+
+function cancellationAttachCancellationCallback(onCancel) {
+    if (!this._isCancellable()) return this;
+
+    var previousOnCancel = this._onCancel();
+    if (previousOnCancel !== undefined) {
+        if (util.isArray(previousOnCancel)) {
+            previousOnCancel.push(onCancel);
+        } else {
+            this._setOnCancel([previousOnCancel, onCancel]);
+        }
+    } else {
+        this._setOnCancel(onCancel);
+    }
+}
+
+function cancellationOnCancel() {
+    return this._onCancelField;
+}
+
+function cancellationSetOnCancel(onCancel) {
+    this._onCancelField = onCancel;
+}
+
+function cancellationClearCancellationData() {
+    this._cancellationParent = undefined;
+    this._onCancelField = undefined;
+}
+
+function cancellationPropagateFrom(parent, flags) {
+    if ((flags & 1) !== 0) {
+        this._cancellationParent = parent;
+        var branchesRemainingToCancel = parent._branchesRemainingToCancel;
+        if (branchesRemainingToCancel === undefined) {
+            branchesRemainingToCancel = 0;
+        }
+        parent._branchesRemainingToCancel = branchesRemainingToCancel + 1;
+    }
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+
+function bindingPropagateFrom(parent, flags) {
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+var propagateFromFunction = bindingPropagateFrom;
+
+function boundValueFunction() {
+    var ret = this._boundTo;
+    if (ret !== undefined) {
+        if (ret instanceof Promise) {
+            if (ret.isFulfilled()) {
+                return ret.value();
+            } else {
+                return undefined;
+            }
+        }
+    }
+    return ret;
+}
+
+function longStackTracesCaptureStackTrace() {
+    this._trace = new CapturedTrace(this._peekContext());
+}
+
+function longStackTracesAttachExtraTrace(error, ignoreSelf) {
+    if (canAttachTrace(error)) {
+        var trace = this._trace;
+        if (trace !== undefined) {
+            if (ignoreSelf) trace = trace._parent;
+        }
+        if (trace !== undefined) {
+            trace.attachExtraTrace(error);
+        } else if (!error.__stackCleaned__) {
+            var parsed = parseStackAndMessage(error);
+            util.notEnumerableProp(error, "stack",
+                parsed.message + "\n" + parsed.stack.join("\n"));
+            util.notEnumerableProp(error, "__stackCleaned__", true);
+        }
+    }
+}
+
+function longStackTracesDereferenceTrace() {
+    this._trace = undefined;
+}
+
+function checkForgottenReturns(returnValue, promiseCreated, name, promise,
+                               parent) {
+    if (returnValue === undefined && promiseCreated !== null &&
+        wForgottenReturn) {
+        if (parent !== undefined && parent._returnedNonUndefined()) return;
+        if ((promise._bitField & 65535) === 0) return;
+
+        if (name) name = name + " ";
+        var handlerLine = "";
+        var creatorLine = "";
+        if (promiseCreated._trace) {
+            var traceLines = promiseCreated._trace.stack.split("\n");
+            var stack = cleanStack(traceLines);
+            for (var i = stack.length - 1; i >= 0; --i) {
+                var line = stack[i];
+                if (!nodeFramePattern.test(line)) {
+                    var lineMatches = line.match(parseLinePattern);
+                    if (lineMatches) {
+                        handlerLine  = "at " + lineMatches[1] +
+                            ":" + lineMatches[2] + ":" + lineMatches[3] + " ";
+                    }
+                    break;
+                }
+            }
+
+            if (stack.length > 0) {
+                var firstUserLine = stack[0];
+                for (var i = 0; i < traceLines.length; ++i) {
+
+                    if (traceLines[i] === firstUserLine) {
+                        if (i > 0) {
+                            creatorLine = "\n" + traceLines[i - 1];
+                        }
+                        break;
+                    }
+                }
+
+            }
+        }
+        var msg = "a promise was created in a " + name +
+            "handler " + handlerLine + "but was not returned from it, " +
+            "see http://goo.gl/rRqMUw" +
+            creatorLine;
+        promise._warn(msg, true, promiseCreated);
+    }
+}
+
+function deprecated(name, replacement) {
+    var message = name +
+        " is deprecated and will be removed in a future version.";
+    if (replacement) message += " Use " + replacement + " instead.";
+    return warn(message);
+}
+
+function warn(message, shouldUseOwnTrace, promise) {
+    if (!config.warnings) return;
+    var warning = new Warning(message);
+    var ctx;
+    if (shouldUseOwnTrace) {
+        promise._attachExtraTrace(warning);
+    } else if (config.longStackTraces && (ctx = Promise._peekContext())) {
+        ctx.attachExtraTrace(warning);
+    } else {
+        var parsed = parseStackAndMessage(warning);
+        warning.stack = parsed.message + "\n" + parsed.stack.join("\n");
+    }
+
+    if (!activeFireEvent("warning", warning)) {
+        formatAndLogError(warning, "", true);
+    }
+}
+
+function reconstructStack(message, stacks) {
+    for (var i = 0; i < stacks.length - 1; ++i) {
+        stacks[i].push("From previous event:");
+        stacks[i] = stacks[i].join("\n");
+    }
+    if (i < stacks.length) {
+        stacks[i] = stacks[i].join("\n");
+    }
+    return message + "\n" + stacks.join("\n");
+}
+
+function removeDuplicateOrEmptyJumps(stacks) {
+    for (var i = 0; i < stacks.length; ++i) {
+        if (stacks[i].length === 0 ||
+            ((i + 1 < stacks.length) && stacks[i][0] === stacks[i+1][0])) {
+            stacks.splice(i, 1);
+            i--;
+        }
+    }
+}
+
+function removeCommonRoots(stacks) {
+    var current = stacks[0];
+    for (var i = 1; i < stacks.length; ++i) {
+        var prev = stacks[i];
+        var currentLastIndex = current.length - 1;
+        var currentLastLine = current[currentLastIndex];
+        var commonRootMeetPoint = -1;
+
+        for (var j = prev.length - 1; j >= 0; --j) {
+            if (prev[j] === currentLastLine) {
+                commonRootMeetPoint = j;
+                break;
+            }
+        }
+
+        for (var j = commonRootMeetPoint; j >= 0; --j) {
+            var line = prev[j];
+            if (current[currentLastIndex] === line) {
+                current.pop();
+                currentLastIndex--;
+            } else {
+                break;
+            }
+        }
+        current = prev;
+    }
+}
+
+function cleanStack(stack) {
+    var ret = [];
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        var isTraceLine = "    (No stack trace)" === line ||
+            stackFramePattern.test(line);
+        var isInternalFrame = isTraceLine && shouldIgnore(line);
+        if (isTraceLine && !isInternalFrame) {
+            if (indentStackFrames && line.charAt(0) !== " ") {
+                line = "    " + line;
+            }
+            ret.push(line);
+        }
+    }
+    return ret;
+}
+
+function stackFramesAsArray(error) {
+    var stack = error.stack.replace(/\s+$/g, "").split("\n");
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        if ("    (No stack trace)" === line || stackFramePattern.test(line)) {
+            break;
+        }
+    }
+    if (i > 0 && error.name != "SyntaxError") {
+        stack = stack.slice(i);
+    }
+    return stack;
+}
+
+function parseStackAndMessage(error) {
+    var stack = error.stack;
+    var message = error.toString();
+    stack = typeof stack === "string" && stack.length > 0
+                ? stackFramesAsArray(error) : ["    (No stack trace)"];
+    return {
+        message: message,
+        stack: error.name == "SyntaxError" ? stack : cleanStack(stack)
+    };
+}
+
+function formatAndLogError(error, title, isSoft) {
+    if (typeof console !== "undefined") {
+        var message;
+        if (util.isObject(error)) {
+            var stack = error.stack;
+            message = title + formatStack(stack, error);
+        } else {
+            message = title + String(error);
+        }
+        if (typeof printWarning === "function") {
+            printWarning(message, isSoft);
+        } else if (typeof console.log === "function" ||
+            typeof console.log === "object") {
+            console.log(message);
+        }
+    }
+}
+
+function fireRejectionEvent(name, localHandler, reason, promise) {
+    var localEventFired = false;
+    try {
+        if (typeof localHandler === "function") {
+            localEventFired = true;
+            if (name === "rejectionHandled") {
+                localHandler(promise);
+            } else {
+                localHandler(reason, promise);
+            }
+        }
+    } catch (e) {
+        async.throwLater(e);
+    }
+
+    if (name === "unhandledRejection") {
+        if (!activeFireEvent(name, reason, promise) && !localEventFired) {
+            formatAndLogError(reason, "Unhandled rejection ");
+        }
+    } else {
+        activeFireEvent(name, promise);
+    }
+}
+
+function formatNonError(obj) {
+    var str;
+    if (typeof obj === "function") {
+        str = "[function " +
+            (obj.name || "anonymous") +
+            "]";
+    } else {
+        str = obj && typeof obj.toString === "function"
+            ? obj.toString() : util.toString(obj);
+        var ruselessToString = /\[object [a-zA-Z0-9$_]+\]/;
+        if (ruselessToString.test(str)) {
+            try {
+                var newStr = JSON.stringify(obj);
+                str = newStr;
+            }
+            catch(e) {
+
+            }
+        }
+        if (str.length === 0) {
+            str = "(empty array)";
+        }
+    }
+    return ("(<" + snip(str) + ">, no stack trace)");
+}
+
+function snip(str) {
+    var maxChars = 41;
+    if (str.length < maxChars) {
+        return str;
+    }
+    return str.substr(0, maxChars - 3) + "...";
+}
+
+function longStackTracesIsSupported() {
+    return typeof captureStackTrace === "function";
+}
+
+var shouldIgnore = function() { return false; };
+var parseLineInfoRegex = /[\/<\(]([^:\/]+):(\d+):(?:\d+)\)?\s*$/;
+function parseLineInfo(line) {
+    var matches = line.match(parseLineInfoRegex);
+    if (matches) {
+        return {
+            fileName: matches[1],
+            line: parseInt(matches[2], 10)
+        };
+    }
+}
+
+function setBounds(firstLineError, lastLineError) {
+    if (!longStackTracesIsSupported()) return;
+    var firstStackLines = (firstLineError.stack || "").split("\n");
+    var lastStackLines = (lastLineError.stack || "").split("\n");
+    var firstIndex = -1;
+    var lastIndex = -1;
+    var firstFileName;
+    var lastFileName;
+    for (var i = 0; i < firstStackLines.length; ++i) {
+        var result = parseLineInfo(firstStackLines[i]);
+        if (result) {
+            firstFileName = result.fileName;
+            firstIndex = result.line;
+            break;
+        }
+    }
+    for (var i = 0; i < lastStackLines.length; ++i) {
+        var result = parseLineInfo(lastStackLines[i]);
+        if (result) {
+            lastFileName = result.fileName;
+            lastIndex = result.line;
+            break;
+        }
+    }
+    if (firstIndex < 0 || lastIndex < 0 || !firstFileName || !lastFileName ||
+        firstFileName !== lastFileName || firstIndex >= lastIndex) {
+        return;
+    }
+
+    shouldIgnore = function(line) {
+        if (bluebirdFramePattern.test(line)) return true;
+        var info = parseLineInfo(line);
+        if (info) {
+            if (info.fileName === firstFileName &&
+                (firstIndex <= info.line && info.line <= lastIndex)) {
+                return true;
+            }
+        }
+        return false;
+    };
+}
+
+function CapturedTrace(parent) {
+    this._parent = parent;
+    this._promisesCreated = 0;
+    var length = this._length = 1 + (parent === undefined ? 0 : parent._length);
+    captureStackTrace(this, CapturedTrace);
+    if (length > 32) this.uncycle();
+}
+util.inherits(CapturedTrace, Error);
+Context.CapturedTrace = CapturedTrace;
+
+CapturedTrace.prototype.uncycle = function() {
+    var length = this._length;
+    if (length < 2) return;
+    var nodes = [];
+    var stackToIndex = {};
+
+    for (var i = 0, node = this; node !== undefined; ++i) {
+        nodes.push(node);
+        node = node._parent;
+    }
+    length = this._length = i;
+    for (var i = length - 1; i >= 0; --i) {
+        var stack = nodes[i].stack;
+        if (stackToIndex[stack] === undefined) {
+            stackToIndex[stack] = i;
+        }
+    }
+    for (var i = 0; i < length; ++i) {
+        var currentStack = nodes[i].stack;
+        var index = stackToIndex[currentStack];
+        if (index !== undefined && index !== i) {
+            if (index > 0) {
+                nodes[index - 1]._parent = undefined;
+                nodes[index - 1]._length = 1;
+            }
+            nodes[i]._parent = undefined;
+            nodes[i]._length = 1;
+            var cycleEdgeNode = i > 0 ? nodes[i - 1] : this;
+
+            if (index < length - 1) {
+                cycleEdgeNode._parent = nodes[index + 1];
+                cycleEdgeNode._parent.uncycle();
+                cycleEdgeNode._length =
+                    cycleEdgeNode._parent._length + 1;
+            } else {
+                cycleEdgeNode._parent = undefined;
+                cycleEdgeNode._length = 1;
+            }
+            var currentChildLength = cycleEdgeNode._length + 1;
+            for (var j = i - 2; j >= 0; --j) {
+                nodes[j]._length = currentChildLength;
+                currentChildLength++;
+            }
+            return;
+        }
+    }
+};
+
+CapturedTrace.prototype.attachExtraTrace = function(error) {
+    if (error.__stackCleaned__) return;
+    this.uncycle();
+    var parsed = parseStackAndMessage(error);
+    var message = parsed.message;
+    var stacks = [parsed.stack];
+
+    var trace = this;
+    while (trace !== undefined) {
+        stacks.push(cleanStack(trace.stack.split("\n")));
+        trace = trace._parent;
+    }
+    removeCommonRoots(stacks);
+    removeDuplicateOrEmptyJumps(stacks);
+    util.notEnumerableProp(error, "stack", reconstructStack(message, stacks));
+    util.notEnumerableProp(error, "__stackCleaned__", true);
+};
+
+var captureStackTrace = (function stackDetection() {
+    var v8stackFramePattern = /^\s*at\s*/;
+    var v8stackFormatter = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if (error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    if (typeof Error.stackTraceLimit === "number" &&
+        typeof Error.captureStackTrace === "function") {
+        Error.stackTraceLimit += 6;
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        var captureStackTrace = Error.captureStackTrace;
+
+        shouldIgnore = function(line) {
+            return bluebirdFramePattern.test(line);
+        };
+        return function(receiver, ignoreUntil) {
+            Error.stackTraceLimit += 6;
+            captureStackTrace(receiver, ignoreUntil);
+            Error.stackTraceLimit -= 6;
+        };
+    }
+    var err = new Error();
+
+    if (typeof err.stack === "string" &&
+        err.stack.split("\n")[0].indexOf("stackDetection@") >= 0) {
+        stackFramePattern = /@/;
+        formatStack = v8stackFormatter;
+        indentStackFrames = true;
+        return function captureStackTrace(o) {
+            o.stack = new Error().stack;
+        };
+    }
+
+    var hasStackAfterThrow;
+    try { throw new Error(); }
+    catch(e) {
+        hasStackAfterThrow = ("stack" in e);
+    }
+    if (!("stack" in err) && hasStackAfterThrow &&
+        typeof Error.stackTraceLimit === "number") {
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        return function captureStackTrace(o) {
+            Error.stackTraceLimit += 6;
+            try { throw new Error(); }
+            catch(e) { o.stack = e.stack; }
+            Error.stackTraceLimit -= 6;
+        };
+    }
+
+    formatStack = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if ((typeof error === "object" ||
+            typeof error === "function") &&
+            error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    return null;
+
+})([]);
+
+if (typeof console !== "undefined" && typeof console.warn !== "undefined") {
+    printWarning = function (message) {
+        console.warn(message);
+    };
+    if (util.isNode && process.stderr.isTTY) {
+        printWarning = function(message, isSoft) {
+            var color = isSoft ? "\u001b[33m" : "\u001b[31m";
+            console.warn(color + message + "\u001b[0m\n");
+        };
+    } else if (!util.isNode && typeof (new Error().stack) === "string") {
+        printWarning = function(message, isSoft) {
+            console.warn("%c" + message,
+                        isSoft ? "color: darkorange" : "color: red");
+        };
+    }
+}
+
+var config = {
+    warnings: warnings,
+    longStackTraces: false,
+    cancellation: false,
+    monitoring: false,
+    asyncHooks: false
+};
+
+if (longStackTraces) Promise.longStackTraces();
+
+return {
+    asyncHooks: function() {
+        return config.asyncHooks;
+    },
+    longStackTraces: function() {
+        return config.longStackTraces;
+    },
+    warnings: function() {
+        return config.warnings;
+    },
+    cancellation: function() {
+        return config.cancellation;
+    },
+    monitoring: function() {
+        return config.monitoring;
+    },
+    propagateFromFunction: function() {
+        return propagateFromFunction;
+    },
+    boundValueFunction: function() {
+        return boundValueFunction;
+    },
+    checkForgottenReturns: checkForgottenReturns,
+    setBounds: setBounds,
+    warn: warn,
+    deprecated: deprecated,
+    CapturedTrace: CapturedTrace,
+    fireDomEvent: fireDomEvent,
+    fireGlobalEvent: fireGlobalEvent
+};
+};
diff --git a/node_modules/bluebird/js/release/direct_resolve.js b/node_modules/bluebird/js/release/direct_resolve.js
new file mode 100644
index 00000000..a8902982
--- /dev/null
+++ b/node_modules/bluebird/js/release/direct_resolve.js
@@ -0,0 +1,46 @@
+"use strict";
+module.exports = function(Promise) {
+function returner() {
+    return this.value;
+}
+function thrower() {
+    throw this.reason;
+}
+
+Promise.prototype["return"] =
+Promise.prototype.thenReturn = function (value) {
+    if (value instanceof Promise) value.suppressUnhandledRejections();
+    return this._then(
+        returner, undefined, undefined, {value: value}, undefined);
+};
+
+Promise.prototype["throw"] =
+Promise.prototype.thenThrow = function (reason) {
+    return this._then(
+        thrower, undefined, undefined, {reason: reason}, undefined);
+};
+
+Promise.prototype.catchThrow = function (reason) {
+    if (arguments.length <= 1) {
+        return this._then(
+            undefined, thrower, undefined, {reason: reason}, undefined);
+    } else {
+        var _reason = arguments[1];
+        var handler = function() {throw _reason;};
+        return this.caught(reason, handler);
+    }
+};
+
+Promise.prototype.catchReturn = function (value) {
+    if (arguments.length <= 1) {
+        if (value instanceof Promise) value.suppressUnhandledRejections();
+        return this._then(
+            undefined, returner, undefined, {value: value}, undefined);
+    } else {
+        var _value = arguments[1];
+        if (_value instanceof Promise) _value.suppressUnhandledRejections();
+        var handler = function() {return _value;};
+        return this.caught(value, handler);
+    }
+};
+};
diff --git a/node_modules/bluebird/js/release/each.js b/node_modules/bluebird/js/release/each.js
new file mode 100644
index 00000000..e4f3d05b
--- /dev/null
+++ b/node_modules/bluebird/js/release/each.js
@@ -0,0 +1,30 @@
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var PromiseReduce = Promise.reduce;
+var PromiseAll = Promise.all;
+
+function promiseAllThis() {
+    return PromiseAll(this);
+}
+
+function PromiseMapSeries(promises, fn) {
+    return PromiseReduce(promises, fn, INTERNAL, INTERNAL);
+}
+
+Promise.prototype.each = function (fn) {
+    return PromiseReduce(this, fn, INTERNAL, 0)
+              ._then(promiseAllThis, undefined, undefined, this, undefined);
+};
+
+Promise.prototype.mapSeries = function (fn) {
+    return PromiseReduce(this, fn, INTERNAL, INTERNAL);
+};
+
+Promise.each = function (promises, fn) {
+    return PromiseReduce(promises, fn, INTERNAL, 0)
+              ._then(promiseAllThis, undefined, undefined, promises, undefined);
+};
+
+Promise.mapSeries = PromiseMapSeries;
+};
+
diff --git a/node_modules/bluebird/js/release/errors.js b/node_modules/bluebird/js/release/errors.js
new file mode 100644
index 00000000..f62f323e
--- /dev/null
+++ b/node_modules/bluebird/js/release/errors.js
@@ -0,0 +1,116 @@
+"use strict";
+var es5 = require("./es5");
+var Objectfreeze = es5.freeze;
+var util = require("./util");
+var inherits = util.inherits;
+var notEnumerableProp = util.notEnumerableProp;
+
+function subError(nameProperty, defaultMessage) {
+    function SubError(message) {
+        if (!(this instanceof SubError)) return new SubError(message);
+        notEnumerableProp(this, "message",
+            typeof message === "string" ? message : defaultMessage);
+        notEnumerableProp(this, "name", nameProperty);
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        } else {
+            Error.call(this);
+        }
+    }
+    inherits(SubError, Error);
+    return SubError;
+}
+
+var _TypeError, _RangeError;
+var Warning = subError("Warning", "warning");
+var CancellationError = subError("CancellationError", "cancellation error");
+var TimeoutError = subError("TimeoutError", "timeout error");
+var AggregateError = subError("AggregateError", "aggregate error");
+try {
+    _TypeError = TypeError;
+    _RangeError = RangeError;
+} catch(e) {
+    _TypeError = subError("TypeError", "type error");
+    _RangeError = subError("RangeError", "range error");
+}
+
+var methods = ("join pop push shift unshift slice filter forEach some " +
+    "every map indexOf lastIndexOf reduce reduceRight sort reverse").split(" ");
+
+for (var i = 0; i < methods.length; ++i) {
+    if (typeof Array.prototype[methods[i]] === "function") {
+        AggregateError.prototype[methods[i]] = Array.prototype[methods[i]];
+    }
+}
+
+es5.defineProperty(AggregateError.prototype, "length", {
+    value: 0,
+    configurable: false,
+    writable: true,
+    enumerable: true
+});
+AggregateError.prototype["isOperational"] = true;
+var level = 0;
+AggregateError.prototype.toString = function() {
+    var indent = Array(level * 4 + 1).join(" ");
+    var ret = "\n" + indent + "AggregateError of:" + "\n";
+    level++;
+    indent = Array(level * 4 + 1).join(" ");
+    for (var i = 0; i < this.length; ++i) {
+        var str = this[i] === this ? "[Circular AggregateError]" : this[i] + "";
+        var lines = str.split("\n");
+        for (var j = 0; j < lines.length; ++j) {
+            lines[j] = indent + lines[j];
+        }
+        str = lines.join("\n");
+        ret += str + "\n";
+    }
+    level--;
+    return ret;
+};
+
+function OperationalError(message) {
+    if (!(this instanceof OperationalError))
+        return new OperationalError(message);
+    notEnumerableProp(this, "name", "OperationalError");
+    notEnumerableProp(this, "message", message);
+    this.cause = message;
+    this["isOperational"] = true;
+
+    if (message instanceof Error) {
+        notEnumerableProp(this, "message", message.message);
+        notEnumerableProp(this, "stack", message.stack);
+    } else if (Error.captureStackTrace) {
+        Error.captureStackTrace(this, this.constructor);
+    }
+
+}
+inherits(OperationalError, Error);
+
+var errorTypes = Error["__BluebirdErrorTypes__"];
+if (!errorTypes) {
+    errorTypes = Objectfreeze({
+        CancellationError: CancellationError,
+        TimeoutError: TimeoutError,
+        OperationalError: OperationalError,
+        RejectionError: OperationalError,
+        AggregateError: AggregateError
+    });
+    es5.defineProperty(Error, "__BluebirdErrorTypes__", {
+        value: errorTypes,
+        writable: false,
+        enumerable: false,
+        configurable: false
+    });
+}
+
+module.exports = {
+    Error: Error,
+    TypeError: _TypeError,
+    RangeError: _RangeError,
+    CancellationError: errorTypes.CancellationError,
+    OperationalError: errorTypes.OperationalError,
+    TimeoutError: errorTypes.TimeoutError,
+    AggregateError: errorTypes.AggregateError,
+    Warning: Warning
+};
diff --git a/node_modules/bluebird/js/release/es5.js b/node_modules/bluebird/js/release/es5.js
new file mode 100644
index 00000000..ea41d5a5
--- /dev/null
+++ b/node_modules/bluebird/js/release/es5.js
@@ -0,0 +1,80 @@
+var isES5 = (function(){
+    "use strict";
+    return this === undefined;
+})();
+
+if (isES5) {
+    module.exports = {
+        freeze: Object.freeze,
+        defineProperty: Object.defineProperty,
+        getDescriptor: Object.getOwnPropertyDescriptor,
+        keys: Object.keys,
+        names: Object.getOwnPropertyNames,
+        getPrototypeOf: Object.getPrototypeOf,
+        isArray: Array.isArray,
+        isES5: isES5,
+        propertyIsWritable: function(obj, prop) {
+            var descriptor = Object.getOwnPropertyDescriptor(obj, prop);
+            return !!(!descriptor || descriptor.writable || descriptor.set);
+        }
+    };
+} else {
+    var has = {}.hasOwnProperty;
+    var str = {}.toString;
+    var proto = {}.constructor.prototype;
+
+    var ObjectKeys = function (o) {
+        var ret = [];
+        for (var key in o) {
+            if (has.call(o, key)) {
+                ret.push(key);
+            }
+        }
+        return ret;
+    };
+
+    var ObjectGetDescriptor = function(o, key) {
+        return {value: o[key]};
+    };
+
+    var ObjectDefineProperty = function (o, key, desc) {
+        o[key] = desc.value;
+        return o;
+    };
+
+    var ObjectFreeze = function (obj) {
+        return obj;
+    };
+
+    var ObjectGetPrototypeOf = function (obj) {
+        try {
+            return Object(obj).constructor.prototype;
+        }
+        catch (e) {
+            return proto;
+        }
+    };
+
+    var ArrayIsArray = function (obj) {
+        try {
+            return str.call(obj) === "[object Array]";
+        }
+        catch(e) {
+            return false;
+        }
+    };
+
+    module.exports = {
+        isArray: ArrayIsArray,
+        keys: ObjectKeys,
+        names: ObjectKeys,
+        defineProperty: ObjectDefineProperty,
+        getDescriptor: ObjectGetDescriptor,
+        freeze: ObjectFreeze,
+        getPrototypeOf: ObjectGetPrototypeOf,
+        isES5: isES5,
+        propertyIsWritable: function() {
+            return true;
+        }
+    };
+}
diff --git a/node_modules/bluebird/js/release/filter.js b/node_modules/bluebird/js/release/filter.js
new file mode 100644
index 00000000..ed57bf01
--- /dev/null
+++ b/node_modules/bluebird/js/release/filter.js
@@ -0,0 +1,12 @@
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var PromiseMap = Promise.map;
+
+Promise.prototype.filter = function (fn, options) {
+    return PromiseMap(this, fn, options, INTERNAL);
+};
+
+Promise.filter = function (promises, fn, options) {
+    return PromiseMap(promises, fn, options, INTERNAL);
+};
+};
diff --git a/node_modules/bluebird/js/release/finally.js b/node_modules/bluebird/js/release/finally.js
new file mode 100644
index 00000000..d57444be
--- /dev/null
+++ b/node_modules/bluebird/js/release/finally.js
@@ -0,0 +1,146 @@
+"use strict";
+module.exports = function(Promise, tryConvertToPromise, NEXT_FILTER) {
+var util = require("./util");
+var CancellationError = Promise.CancellationError;
+var errorObj = util.errorObj;
+var catchFilter = require("./catch_filter")(NEXT_FILTER);
+
+function PassThroughHandlerContext(promise, type, handler) {
+    this.promise = promise;
+    this.type = type;
+    this.handler = handler;
+    this.called = false;
+    this.cancelPromise = null;
+}
+
+PassThroughHandlerContext.prototype.isFinallyHandler = function() {
+    return this.type === 0;
+};
+
+function FinallyHandlerCancelReaction(finallyHandler) {
+    this.finallyHandler = finallyHandler;
+}
+
+FinallyHandlerCancelReaction.prototype._resultCancelled = function() {
+    checkCancel(this.finallyHandler);
+};
+
+function checkCancel(ctx, reason) {
+    if (ctx.cancelPromise != null) {
+        if (arguments.length > 1) {
+            ctx.cancelPromise._reject(reason);
+        } else {
+            ctx.cancelPromise._cancel();
+        }
+        ctx.cancelPromise = null;
+        return true;
+    }
+    return false;
+}
+
+function succeed() {
+    return finallyHandler.call(this, this.promise._target()._settledValue());
+}
+function fail(reason) {
+    if (checkCancel(this, reason)) return;
+    errorObj.e = reason;
+    return errorObj;
+}
+function finallyHandler(reasonOrValue) {
+    var promise = this.promise;
+    var handler = this.handler;
+
+    if (!this.called) {
+        this.called = true;
+        var ret = this.isFinallyHandler()
+            ? handler.call(promise._boundValue())
+            : handler.call(promise._boundValue(), reasonOrValue);
+        if (ret === NEXT_FILTER) {
+            return ret;
+        } else if (ret !== undefined) {
+            promise._setReturnedNonUndefined();
+            var maybePromise = tryConvertToPromise(ret, promise);
+            if (maybePromise instanceof Promise) {
+                if (this.cancelPromise != null) {
+                    if (maybePromise._isCancelled()) {
+                        var reason =
+                            new CancellationError("late cancellation observer");
+                        promise._attachExtraTrace(reason);
+                        errorObj.e = reason;
+                        return errorObj;
+                    } else if (maybePromise.isPending()) {
+                        maybePromise._attachCancellationCallback(
+                            new FinallyHandlerCancelReaction(this));
+                    }
+                }
+                return maybePromise._then(
+                    succeed, fail, undefined, this, undefined);
+            }
+        }
+    }
+
+    if (promise.isRejected()) {
+        checkCancel(this);
+        errorObj.e = reasonOrValue;
+        return errorObj;
+    } else {
+        checkCancel(this);
+        return reasonOrValue;
+    }
+}
+
+Promise.prototype._passThrough = function(handler, type, success, fail) {
+    if (typeof handler !== "function") return this.then();
+    return this._then(success,
+                      fail,
+                      undefined,
+                      new PassThroughHandlerContext(this, type, handler),
+                      undefined);
+};
+
+Promise.prototype.lastly =
+Promise.prototype["finally"] = function (handler) {
+    return this._passThrough(handler,
+                             0,
+                             finallyHandler,
+                             finallyHandler);
+};
+
+
+Promise.prototype.tap = function (handler) {
+    return this._passThrough(handler, 1, finallyHandler);
+};
+
+Promise.prototype.tapCatch = function (handlerOrPredicate) {
+    var len = arguments.length;
+    if(len === 1) {
+        return this._passThrough(handlerOrPredicate,
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    } else {
+         var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return Promise.reject(new TypeError(
+                    "tapCatch statement predicate: "
+                    + "expecting an object but got " + util.classString(item)
+                ));
+            }
+        }
+        catchInstances.length = j;
+        var handler = arguments[i];
+        return this._passThrough(catchFilter(catchInstances, handler, this),
+                                 1,
+                                 undefined,
+                                 finallyHandler);
+    }
+
+};
+
+return PassThroughHandlerContext;
+};
diff --git a/node_modules/bluebird/js/release/generators.js b/node_modules/bluebird/js/release/generators.js
new file mode 100644
index 00000000..500c280c
--- /dev/null
+++ b/node_modules/bluebird/js/release/generators.js
@@ -0,0 +1,223 @@
+"use strict";
+module.exports = function(Promise,
+                          apiRejection,
+                          INTERNAL,
+                          tryConvertToPromise,
+                          Proxyable,
+                          debug) {
+var errors = require("./errors");
+var TypeError = errors.TypeError;
+var util = require("./util");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+var yieldHandlers = [];
+
+function promiseFromYieldHandler(value, yieldHandlers, traceParent) {
+    for (var i = 0; i < yieldHandlers.length; ++i) {
+        traceParent._pushContext();
+        var result = tryCatch(yieldHandlers[i])(value);
+        traceParent._popContext();
+        if (result === errorObj) {
+            traceParent._pushContext();
+            var ret = Promise.reject(errorObj.e);
+            traceParent._popContext();
+            return ret;
+        }
+        var maybePromise = tryConvertToPromise(result, traceParent);
+        if (maybePromise instanceof Promise) return maybePromise;
+    }
+    return null;
+}
+
+function PromiseSpawn(generatorFunction, receiver, yieldHandler, stack) {
+    if (debug.cancellation()) {
+        var internal = new Promise(INTERNAL);
+        var _finallyPromise = this._finallyPromise = new Promise(INTERNAL);
+        this._promise = internal.lastly(function() {
+            return _finallyPromise;
+        });
+        internal._captureStackTrace();
+        internal._setOnCancel(this);
+    } else {
+        var promise = this._promise = new Promise(INTERNAL);
+        promise._captureStackTrace();
+    }
+    this._stack = stack;
+    this._generatorFunction = generatorFunction;
+    this._receiver = receiver;
+    this._generator = undefined;
+    this._yieldHandlers = typeof yieldHandler === "function"
+        ? [yieldHandler].concat(yieldHandlers)
+        : yieldHandlers;
+    this._yieldedPromise = null;
+    this._cancellationPhase = false;
+}
+util.inherits(PromiseSpawn, Proxyable);
+
+PromiseSpawn.prototype._isResolved = function() {
+    return this._promise === null;
+};
+
+PromiseSpawn.prototype._cleanup = function() {
+    this._promise = this._generator = null;
+    if (debug.cancellation() && this._finallyPromise !== null) {
+        this._finallyPromise._fulfill();
+        this._finallyPromise = null;
+    }
+};
+
+PromiseSpawn.prototype._promiseCancelled = function() {
+    if (this._isResolved()) return;
+    var implementsReturn = typeof this._generator["return"] !== "undefined";
+
+    var result;
+    if (!implementsReturn) {
+        var reason = new Promise.CancellationError(
+            "generator .return() sentinel");
+        Promise.coroutine.returnSentinel = reason;
+        this._promise._attachExtraTrace(reason);
+        this._promise._pushContext();
+        result = tryCatch(this._generator["throw"]).call(this._generator,
+                                                         reason);
+        this._promise._popContext();
+    } else {
+        this._promise._pushContext();
+        result = tryCatch(this._generator["return"]).call(this._generator,
+                                                          undefined);
+        this._promise._popContext();
+    }
+    this._cancellationPhase = true;
+    this._yieldedPromise = null;
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseFulfilled = function(value) {
+    this._yieldedPromise = null;
+    this._promise._pushContext();
+    var result = tryCatch(this._generator.next).call(this._generator, value);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseRejected = function(reason) {
+    this._yieldedPromise = null;
+    this._promise._attachExtraTrace(reason);
+    this._promise._pushContext();
+    var result = tryCatch(this._generator["throw"])
+        .call(this._generator, reason);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._resultCancelled = function() {
+    if (this._yieldedPromise instanceof Promise) {
+        var promise = this._yieldedPromise;
+        this._yieldedPromise = null;
+        promise.cancel();
+    }
+};
+
+PromiseSpawn.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseSpawn.prototype._run = function () {
+    this._generator = this._generatorFunction.call(this._receiver);
+    this._receiver =
+        this._generatorFunction = undefined;
+    this._promiseFulfilled(undefined);
+};
+
+PromiseSpawn.prototype._continue = function (result) {
+    var promise = this._promise;
+    if (result === errorObj) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._rejectCallback(result.e, false);
+        }
+    }
+
+    var value = result.value;
+    if (result.done === true) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._resolveCallback(value);
+        }
+    } else {
+        var maybePromise = tryConvertToPromise(value, this._promise);
+        if (!(maybePromise instanceof Promise)) {
+            maybePromise =
+                promiseFromYieldHandler(maybePromise,
+                                        this._yieldHandlers,
+                                        this._promise);
+            if (maybePromise === null) {
+                this._promiseRejected(
+                    new TypeError(
+                        "A value %s was yielded that could not be treated as a promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a\u000a".replace("%s", String(value)) +
+                        "From coroutine:\u000a" +
+                        this._stack.split("\n").slice(1, -7).join("\n")
+                    )
+                );
+                return;
+            }
+        }
+        maybePromise = maybePromise._target();
+        var bitField = maybePromise._bitField;
+        ;
+        if (((bitField & 50397184) === 0)) {
+            this._yieldedPromise = maybePromise;
+            maybePromise._proxy(this, null);
+        } else if (((bitField & 33554432) !== 0)) {
+            Promise._async.invoke(
+                this._promiseFulfilled, this, maybePromise._value()
+            );
+        } else if (((bitField & 16777216) !== 0)) {
+            Promise._async.invoke(
+                this._promiseRejected, this, maybePromise._reason()
+            );
+        } else {
+            this._promiseCancelled();
+        }
+    }
+};
+
+Promise.coroutine = function (generatorFunction, options) {
+    if (typeof generatorFunction !== "function") {
+        throw new TypeError("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var yieldHandler = Object(options).yieldHandler;
+    var PromiseSpawn$ = PromiseSpawn;
+    var stack = new Error().stack;
+    return function () {
+        var generator = generatorFunction.apply(this, arguments);
+        var spawn = new PromiseSpawn$(undefined, undefined, yieldHandler,
+                                      stack);
+        var ret = spawn.promise();
+        spawn._generator = generator;
+        spawn._promiseFulfilled(undefined);
+        return ret;
+    };
+};
+
+Promise.coroutine.addYieldHandler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    yieldHandlers.push(fn);
+};
+
+Promise.spawn = function (generatorFunction) {
+    debug.deprecated("Promise.spawn()", "Promise.coroutine()");
+    if (typeof generatorFunction !== "function") {
+        return apiRejection("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var spawn = new PromiseSpawn(generatorFunction, this);
+    var ret = spawn.promise();
+    spawn._run(Promise.spawn);
+    return ret;
+};
+};
diff --git a/node_modules/bluebird/js/release/join.js b/node_modules/bluebird/js/release/join.js
new file mode 100644
index 00000000..e7e19f06
--- /dev/null
+++ b/node_modules/bluebird/js/release/join.js
@@ -0,0 +1,165 @@
+"use strict";
+module.exports =
+function(Promise, PromiseArray, tryConvertToPromise, INTERNAL, async) {
+var util = require("./util");
+var canEvaluate = util.canEvaluate;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var reject;
+
+if (!false) {
+if (canEvaluate) {
+    var thenCallback = function(i) {
+        return new Function("value", "holder", "                             \n\
+            'use strict';                                                    \n\
+            holder.pIndex = value;                                           \n\
+            holder.checkFulfillment(this);                                   \n\
+            ".replace(/Index/g, i));
+    };
+
+    var promiseSetter = function(i) {
+        return new Function("promise", "holder", "                           \n\
+            'use strict';                                                    \n\
+            holder.pIndex = promise;                                         \n\
+            ".replace(/Index/g, i));
+    };
+
+    var generateHolderClass = function(total) {
+        var props = new Array(total);
+        for (var i = 0; i < props.length; ++i) {
+            props[i] = "this.p" + (i+1);
+        }
+        var assignment = props.join(" = ") + " = null;";
+        var cancellationCode= "var promise;\n" + props.map(function(prop) {
+            return "                                                         \n\
+                promise = " + prop + ";                                      \n\
+                if (promise instanceof Promise) {                            \n\
+                    promise.cancel();                                        \n\
+                }                                                            \n\
+            ";
+        }).join("\n");
+        var passedArguments = props.join(", ");
+        var name = "Holder$" + total;
+
+
+        var code = "return function(tryCatch, errorObj, Promise, async) {    \n\
+            'use strict';                                                    \n\
+            function [TheName](fn) {                                         \n\
+                [TheProperties]                                              \n\
+                this.fn = fn;                                                \n\
+                this.asyncNeeded = true;                                     \n\
+                this.now = 0;                                                \n\
+            }                                                                \n\
+                                                                             \n\
+            [TheName].prototype._callFunction = function(promise) {          \n\
+                promise._pushContext();                                      \n\
+                var ret = tryCatch(this.fn)([ThePassedArguments]);           \n\
+                promise._popContext();                                       \n\
+                if (ret === errorObj) {                                      \n\
+                    promise._rejectCallback(ret.e, false);                   \n\
+                } else {                                                     \n\
+                    promise._resolveCallback(ret);                           \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype.checkFulfillment = function(promise) {       \n\
+                var now = ++this.now;                                        \n\
+                if (now === [TheTotal]) {                                    \n\
+                    if (this.asyncNeeded) {                                  \n\
+                        async.invoke(this._callFunction, this, promise);     \n\
+                    } else {                                                 \n\
+                        this._callFunction(promise);                         \n\
+                    }                                                        \n\
+                                                                             \n\
+                }                                                            \n\
+            };                                                               \n\
+                                                                             \n\
+            [TheName].prototype._resultCancelled = function() {              \n\
+                [CancellationCode]                                           \n\
+            };                                                               \n\
+                                                                             \n\
+            return [TheName];                                                \n\
+        }(tryCatch, errorObj, Promise, async);                               \n\
+        ";
+
+        code = code.replace(/\[TheName\]/g, name)
+            .replace(/\[TheTotal\]/g, total)
+            .replace(/\[ThePassedArguments\]/g, passedArguments)
+            .replace(/\[TheProperties\]/g, assignment)
+            .replace(/\[CancellationCode\]/g, cancellationCode);
+
+        return new Function("tryCatch", "errorObj", "Promise", "async", code)
+                           (tryCatch, errorObj, Promise, async);
+    };
+
+    var holderClasses = [];
+    var thenCallbacks = [];
+    var promiseSetters = [];
+
+    for (var i = 0; i < 8; ++i) {
+        holderClasses.push(generateHolderClass(i + 1));
+        thenCallbacks.push(thenCallback(i + 1));
+        promiseSetters.push(promiseSetter(i + 1));
+    }
+
+    reject = function (reason) {
+        this._reject(reason);
+    };
+}}
+
+Promise.join = function () {
+    var last = arguments.length - 1;
+    var fn;
+    if (last > 0 && typeof arguments[last] === "function") {
+        fn = arguments[last];
+        if (!false) {
+            if (last <= 8 && canEvaluate) {
+                var ret = new Promise(INTERNAL);
+                ret._captureStackTrace();
+                var HolderClass = holderClasses[last - 1];
+                var holder = new HolderClass(fn);
+                var callbacks = thenCallbacks;
+
+                for (var i = 0; i < last; ++i) {
+                    var maybePromise = tryConvertToPromise(arguments[i], ret);
+                    if (maybePromise instanceof Promise) {
+                        maybePromise = maybePromise._target();
+                        var bitField = maybePromise._bitField;
+                        ;
+                        if (((bitField & 50397184) === 0)) {
+                            maybePromise._then(callbacks[i], reject,
+                                               undefined, ret, holder);
+                            promiseSetters[i](maybePromise, holder);
+                            holder.asyncNeeded = false;
+                        } else if (((bitField & 33554432) !== 0)) {
+                            callbacks[i].call(ret,
+                                              maybePromise._value(), holder);
+                        } else if (((bitField & 16777216) !== 0)) {
+                            ret._reject(maybePromise._reason());
+                        } else {
+                            ret._cancel();
+                        }
+                    } else {
+                        callbacks[i].call(ret, maybePromise, holder);
+                    }
+                }
+
+                if (!ret._isFateSealed()) {
+                    if (holder.asyncNeeded) {
+                        var context = Promise._getContext();
+                        holder.fn = util.contextBind(context, holder.fn);
+                    }
+                    ret._setAsyncGuaranteed();
+                    ret._setOnCancel(holder);
+                }
+                return ret;
+            }
+        }
+    }
+    var $_len = arguments.length;var args = new Array($_len); for(var $_i = 0; $_i < $_len ; ++$_i) {args[$_i] = arguments[$_i ];};
+    if (fn) args.pop();
+    var ret = new PromiseArray(args).promise();
+    return fn !== undefined ? ret.spread(fn) : ret;
+};
+
+};
diff --git a/node_modules/bluebird/js/release/map.js b/node_modules/bluebird/js/release/map.js
new file mode 100644
index 00000000..91d5a826
--- /dev/null
+++ b/node_modules/bluebird/js/release/map.js
@@ -0,0 +1,175 @@
+"use strict";
+module.exports = function(Promise,
+                          PromiseArray,
+                          apiRejection,
+                          tryConvertToPromise,
+                          INTERNAL,
+                          debug) {
+var util = require("./util");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var async = Promise._async;
+
+function MappingPromiseArray(promises, fn, limit, _filter) {
+    this.constructor$(promises);
+    this._promise._captureStackTrace();
+    var context = Promise._getContext();
+    this._callback = util.contextBind(context, fn);
+    this._preservedValues = _filter === INTERNAL
+        ? new Array(this.length())
+        : null;
+    this._limit = limit;
+    this._inFlight = 0;
+    this._queue = [];
+    async.invoke(this._asyncInit, this, undefined);
+    if (util.isArray(promises)) {
+        for (var i = 0; i < promises.length; ++i) {
+            var maybePromise = promises[i];
+            if (maybePromise instanceof Promise) {
+                maybePromise.suppressUnhandledRejections();
+            }
+        }
+    }
+}
+util.inherits(MappingPromiseArray, PromiseArray);
+
+MappingPromiseArray.prototype._asyncInit = function() {
+    this._init$(undefined, -2);
+};
+
+MappingPromiseArray.prototype._init = function () {};
+
+MappingPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    var values = this._values;
+    var length = this.length();
+    var preservedValues = this._preservedValues;
+    var limit = this._limit;
+
+    if (index < 0) {
+        index = (index * -1) - 1;
+        values[index] = value;
+        if (limit >= 1) {
+            this._inFlight--;
+            this._drainQueue();
+            if (this._isResolved()) return true;
+        }
+    } else {
+        if (limit >= 1 && this._inFlight >= limit) {
+            values[index] = value;
+            this._queue.push(index);
+            return false;
+        }
+        if (preservedValues !== null) preservedValues[index] = value;
+
+        var promise = this._promise;
+        var callback = this._callback;
+        var receiver = promise._boundValue();
+        promise._pushContext();
+        var ret = tryCatch(callback).call(receiver, value, index, length);
+        var promiseCreated = promise._popContext();
+        debug.checkForgottenReturns(
+            ret,
+            promiseCreated,
+            preservedValues !== null ? "Promise.filter" : "Promise.map",
+            promise
+        );
+        if (ret === errorObj) {
+            this._reject(ret.e);
+            return true;
+        }
+
+        var maybePromise = tryConvertToPromise(ret, this._promise);
+        if (maybePromise instanceof Promise) {
+            maybePromise = maybePromise._target();
+            var bitField = maybePromise._bitField;
+            ;
+            if (((bitField & 50397184) === 0)) {
+                if (limit >= 1) this._inFlight++;
+                values[index] = maybePromise;
+                maybePromise._proxy(this, (index + 1) * -1);
+                return false;
+            } else if (((bitField & 33554432) !== 0)) {
+                ret = maybePromise._value();
+            } else if (((bitField & 16777216) !== 0)) {
+                this._reject(maybePromise._reason());
+                return true;
+            } else {
+                this._cancel();
+                return true;
+            }
+        }
+        values[index] = ret;
+    }
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= length) {
+        if (preservedValues !== null) {
+            this._filter(values, preservedValues);
+        } else {
+            this._resolve(values);
+        }
+        return true;
+    }
+    return false;
+};
+
+MappingPromiseArray.prototype._drainQueue = function () {
+    var queue = this._queue;
+    var limit = this._limit;
+    var values = this._values;
+    while (queue.length > 0 && this._inFlight < limit) {
+        if (this._isResolved()) return;
+        var index = queue.pop();
+        this._promiseFulfilled(values[index], index);
+    }
+};
+
+MappingPromiseArray.prototype._filter = function (booleans, values) {
+    var len = values.length;
+    var ret = new Array(len);
+    var j = 0;
+    for (var i = 0; i < len; ++i) {
+        if (booleans[i]) ret[j++] = values[i];
+    }
+    ret.length = j;
+    this._resolve(ret);
+};
+
+MappingPromiseArray.prototype.preservedValues = function () {
+    return this._preservedValues;
+};
+
+function map(promises, fn, options, _filter) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+
+    var limit = 0;
+    if (options !== undefined) {
+        if (typeof options === "object" && options !== null) {
+            if (typeof options.concurrency !== "number") {
+                return Promise.reject(
+                    new TypeError("'concurrency' must be a number but it is " +
+                                    util.classString(options.concurrency)));
+            }
+            limit = options.concurrency;
+        } else {
+            return Promise.reject(new TypeError(
+                            "options argument must be an object but it is " +
+                             util.classString(options)));
+        }
+    }
+    limit = typeof limit === "number" &&
+        isFinite(limit) && limit >= 1 ? limit : 0;
+    return new MappingPromiseArray(promises, fn, limit, _filter).promise();
+}
+
+Promise.prototype.map = function (fn, options) {
+    return map(this, fn, options, null);
+};
+
+Promise.map = function (promises, fn, options, _filter) {
+    return map(promises, fn, options, _filter);
+};
+
+
+};
diff --git a/node_modules/bluebird/js/release/method.js b/node_modules/bluebird/js/release/method.js
new file mode 100644
index 00000000..ce9e4db7
--- /dev/null
+++ b/node_modules/bluebird/js/release/method.js
@@ -0,0 +1,55 @@
+"use strict";
+module.exports =
+function(Promise, INTERNAL, tryConvertToPromise, apiRejection, debug) {
+var util = require("./util");
+var tryCatch = util.tryCatch;
+
+Promise.method = function (fn) {
+    if (typeof fn !== "function") {
+        throw new Promise.TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return function () {
+        var ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._pushContext();
+        var value = tryCatch(fn).apply(this, arguments);
+        var promiseCreated = ret._popContext();
+        debug.checkForgottenReturns(
+            value, promiseCreated, "Promise.method", ret);
+        ret._resolveFromSyncValue(value);
+        return ret;
+    };
+};
+
+Promise.attempt = Promise["try"] = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._pushContext();
+    var value;
+    if (arguments.length > 1) {
+        debug.deprecated("calling Promise.try with more than 1 argument");
+        var arg = arguments[1];
+        var ctx = arguments[2];
+        value = util.isArray(arg) ? tryCatch(fn).apply(ctx, arg)
+                                  : tryCatch(fn).call(ctx, arg);
+    } else {
+        value = tryCatch(fn)();
+    }
+    var promiseCreated = ret._popContext();
+    debug.checkForgottenReturns(
+        value, promiseCreated, "Promise.try", ret);
+    ret._resolveFromSyncValue(value);
+    return ret;
+};
+
+Promise.prototype._resolveFromSyncValue = function (value) {
+    if (value === util.errorObj) {
+        this._rejectCallback(value.e, false);
+    } else {
+        this._resolveCallback(value, true);
+    }
+};
+};
diff --git a/node_modules/bluebird/js/release/nodeback.js b/node_modules/bluebird/js/release/nodeback.js
new file mode 100644
index 00000000..71e69ebd
--- /dev/null
+++ b/node_modules/bluebird/js/release/nodeback.js
@@ -0,0 +1,51 @@
+"use strict";
+var util = require("./util");
+var maybeWrapAsError = util.maybeWrapAsError;
+var errors = require("./errors");
+var OperationalError = errors.OperationalError;
+var es5 = require("./es5");
+
+function isUntypedError(obj) {
+    return obj instanceof Error &&
+        es5.getPrototypeOf(obj) === Error.prototype;
+}
+
+var rErrorKey = /^(?:name|message|stack|cause)$/;
+function wrapAsOperationalError(obj) {
+    var ret;
+    if (isUntypedError(obj)) {
+        ret = new OperationalError(obj);
+        ret.name = obj.name;
+        ret.message = obj.message;
+        ret.stack = obj.stack;
+        var keys = es5.keys(obj);
+        for (var i = 0; i < keys.length; ++i) {
+            var key = keys[i];
+            if (!rErrorKey.test(key)) {
+                ret[key] = obj[key];
+            }
+        }
+        return ret;
+    }
+    util.markAsOriginatingFromRejection(obj);
+    return obj;
+}
+
+function nodebackForPromise(promise, multiArgs) {
+    return function(err, value) {
+        if (promise === null) return;
+        if (err) {
+            var wrapped = wrapAsOperationalError(maybeWrapAsError(err));
+            promise._attachExtraTrace(wrapped);
+            promise._reject(wrapped);
+        } else if (!multiArgs) {
+            promise._fulfill(value);
+        } else {
+            var $_len = arguments.length;var args = new Array(Math.max($_len - 1, 0)); for(var $_i = 1; $_i < $_len; ++$_i) {args[$_i - 1] = arguments[$_i];};
+            promise._fulfill(args);
+        }
+        promise = null;
+    };
+}
+
+module.exports = nodebackForPromise;
diff --git a/node_modules/bluebird/js/release/nodeify.js b/node_modules/bluebird/js/release/nodeify.js
new file mode 100644
index 00000000..ce2b1900
--- /dev/null
+++ b/node_modules/bluebird/js/release/nodeify.js
@@ -0,0 +1,58 @@
+"use strict";
+module.exports = function(Promise) {
+var util = require("./util");
+var async = Promise._async;
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+
+function spreadAdapter(val, nodeback) {
+    var promise = this;
+    if (!util.isArray(val)) return successAdapter.call(promise, val, nodeback);
+    var ret =
+        tryCatch(nodeback).apply(promise._boundValue(), [null].concat(val));
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+
+function successAdapter(val, nodeback) {
+    var promise = this;
+    var receiver = promise._boundValue();
+    var ret = val === undefined
+        ? tryCatch(nodeback).call(receiver, null)
+        : tryCatch(nodeback).call(receiver, null, val);
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+function errorAdapter(reason, nodeback) {
+    var promise = this;
+    if (!reason) {
+        var newReason = new Error(reason + "");
+        newReason.cause = reason;
+        reason = newReason;
+    }
+    var ret = tryCatch(nodeback).call(promise._boundValue(), reason);
+    if (ret === errorObj) {
+        async.throwLater(ret.e);
+    }
+}
+
+Promise.prototype.asCallback = Promise.prototype.nodeify = function (nodeback,
+                                                                     options) {
+    if (typeof nodeback == "function") {
+        var adapter = successAdapter;
+        if (options !== undefined && Object(options).spread) {
+            adapter = spreadAdapter;
+        }
+        this._then(
+            adapter,
+            errorAdapter,
+            undefined,
+            this,
+            nodeback
+        );
+    }
+    return this;
+};
+};
diff --git a/node_modules/bluebird/js/release/promise.js b/node_modules/bluebird/js/release/promise.js
new file mode 100644
index 00000000..622a86f4
--- /dev/null
+++ b/node_modules/bluebird/js/release/promise.js
@@ -0,0 +1,819 @@
+"use strict";
+module.exports = function() {
+var makeSelfResolutionError = function () {
+    return new TypeError("circular promise resolution chain\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var reflectHandler = function() {
+    return new Promise.PromiseInspection(this._target());
+};
+var apiRejection = function(msg) {
+    return Promise.reject(new TypeError(msg));
+};
+function Proxyable() {}
+var UNDEFINED_BINDING = {};
+var util = require("./util");
+util.setReflectHandler(reflectHandler);
+
+var getDomain = function() {
+    var domain = process.domain;
+    if (domain === undefined) {
+        return null;
+    }
+    return domain;
+};
+var getContextDefault = function() {
+    return null;
+};
+var getContextDomain = function() {
+    return {
+        domain: getDomain(),
+        async: null
+    };
+};
+var AsyncResource = util.isNode && util.nodeSupportsAsyncResource ?
+    require("async_hooks").AsyncResource : null;
+var getContextAsyncHooks = function() {
+    return {
+        domain: getDomain(),
+        async: new AsyncResource("Bluebird::Promise")
+    };
+};
+var getContext = util.isNode ? getContextDomain : getContextDefault;
+util.notEnumerableProp(Promise, "_getContext", getContext);
+var enableAsyncHooks = function() {
+    getContext = getContextAsyncHooks;
+    util.notEnumerableProp(Promise, "_getContext", getContextAsyncHooks);
+};
+var disableAsyncHooks = function() {
+    getContext = getContextDomain;
+    util.notEnumerableProp(Promise, "_getContext", getContextDomain);
+};
+
+var es5 = require("./es5");
+var Async = require("./async");
+var async = new Async();
+es5.defineProperty(Promise, "_async", {value: async});
+var errors = require("./errors");
+var TypeError = Promise.TypeError = errors.TypeError;
+Promise.RangeError = errors.RangeError;
+var CancellationError = Promise.CancellationError = errors.CancellationError;
+Promise.TimeoutError = errors.TimeoutError;
+Promise.OperationalError = errors.OperationalError;
+Promise.RejectionError = errors.OperationalError;
+Promise.AggregateError = errors.AggregateError;
+var INTERNAL = function(){};
+var APPLY = {};
+var NEXT_FILTER = {};
+var tryConvertToPromise = require("./thenables")(Promise, INTERNAL);
+var PromiseArray =
+    require("./promise_array")(Promise, INTERNAL,
+                               tryConvertToPromise, apiRejection, Proxyable);
+var Context = require("./context")(Promise);
+ /*jshint unused:false*/
+var createContext = Context.create;
+
+var debug = require("./debuggability")(Promise, Context,
+    enableAsyncHooks, disableAsyncHooks);
+var CapturedTrace = debug.CapturedTrace;
+var PassThroughHandlerContext =
+    require("./finally")(Promise, tryConvertToPromise, NEXT_FILTER);
+var catchFilter = require("./catch_filter")(NEXT_FILTER);
+var nodebackForPromise = require("./nodeback");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+function check(self, executor) {
+    if (self == null || self.constructor !== Promise) {
+        throw new TypeError("the promise constructor cannot be invoked directly\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (typeof executor !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(executor));
+    }
+
+}
+
+function Promise(executor) {
+    if (executor !== INTERNAL) {
+        check(this, executor);
+    }
+    this._bitField = 0;
+    this._fulfillmentHandler0 = undefined;
+    this._rejectionHandler0 = undefined;
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._resolveFromExecutor(executor);
+    this._promiseCreated();
+    this._fireEvent("promiseCreated", this);
+}
+
+Promise.prototype.toString = function () {
+    return "[object Promise]";
+};
+
+Promise.prototype.caught = Promise.prototype["catch"] = function (fn) {
+    var len = arguments.length;
+    if (len > 1) {
+        var catchInstances = new Array(len - 1),
+            j = 0, i;
+        for (i = 0; i < len - 1; ++i) {
+            var item = arguments[i];
+            if (util.isObject(item)) {
+                catchInstances[j++] = item;
+            } else {
+                return apiRejection("Catch statement predicate: " +
+                    "expecting an object but got " + util.classString(item));
+            }
+        }
+        catchInstances.length = j;
+        fn = arguments[i];
+
+        if (typeof fn !== "function") {
+            throw new TypeError("The last argument to .catch() " +
+                "must be a function, got " + util.toString(fn));
+        }
+        return this.then(undefined, catchFilter(catchInstances, fn, this));
+    }
+    return this.then(undefined, fn);
+};
+
+Promise.prototype.reflect = function () {
+    return this._then(reflectHandler,
+        reflectHandler, undefined, this, undefined);
+};
+
+Promise.prototype.then = function (didFulfill, didReject) {
+    if (debug.warnings() && arguments.length > 0 &&
+        typeof didFulfill !== "function" &&
+        typeof didReject !== "function") {
+        var msg = ".then() only accepts functions but was passed: " +
+                util.classString(didFulfill);
+        if (arguments.length > 1) {
+            msg += ", " + util.classString(didReject);
+        }
+        this._warn(msg);
+    }
+    return this._then(didFulfill, didReject, undefined, undefined, undefined);
+};
+
+Promise.prototype.done = function (didFulfill, didReject) {
+    var promise =
+        this._then(didFulfill, didReject, undefined, undefined, undefined);
+    promise._setIsFinal();
+};
+
+Promise.prototype.spread = function (fn) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    return this.all()._then(fn, undefined, undefined, APPLY, undefined);
+};
+
+Promise.prototype.toJSON = function () {
+    var ret = {
+        isFulfilled: false,
+        isRejected: false,
+        fulfillmentValue: undefined,
+        rejectionReason: undefined
+    };
+    if (this.isFulfilled()) {
+        ret.fulfillmentValue = this.value();
+        ret.isFulfilled = true;
+    } else if (this.isRejected()) {
+        ret.rejectionReason = this.reason();
+        ret.isRejected = true;
+    }
+    return ret;
+};
+
+Promise.prototype.all = function () {
+    if (arguments.length > 0) {
+        this._warn(".all() was passed arguments but it does not take any");
+    }
+    return new PromiseArray(this).promise();
+};
+
+Promise.prototype.error = function (fn) {
+    return this.caught(util.originatesFromRejection, fn);
+};
+
+Promise.getNewLibraryCopy = module.exports;
+
+Promise.is = function (val) {
+    return val instanceof Promise;
+};
+
+Promise.fromNode = Promise.fromCallback = function(fn) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    var multiArgs = arguments.length > 1 ? !!Object(arguments[1]).multiArgs
+                                         : false;
+    var result = tryCatch(fn)(nodebackForPromise(ret, multiArgs));
+    if (result === errorObj) {
+        ret._rejectCallback(result.e, true);
+    }
+    if (!ret._isFateSealed()) ret._setAsyncGuaranteed();
+    return ret;
+};
+
+Promise.all = function (promises) {
+    return new PromiseArray(promises).promise();
+};
+
+Promise.cast = function (obj) {
+    var ret = tryConvertToPromise(obj);
+    if (!(ret instanceof Promise)) {
+        ret = new Promise(INTERNAL);
+        ret._captureStackTrace();
+        ret._setFulfilled();
+        ret._rejectionHandler0 = obj;
+    }
+    return ret;
+};
+
+Promise.resolve = Promise.fulfilled = Promise.cast;
+
+Promise.reject = Promise.rejected = function (reason) {
+    var ret = new Promise(INTERNAL);
+    ret._captureStackTrace();
+    ret._rejectCallback(reason, true);
+    return ret;
+};
+
+Promise.setScheduler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    return async.setScheduler(fn);
+};
+
+Promise.prototype._then = function (
+    didFulfill,
+    didReject,
+    _,    receiver,
+    internalData
+) {
+    var haveInternalData = internalData !== undefined;
+    var promise = haveInternalData ? internalData : new Promise(INTERNAL);
+    var target = this._target();
+    var bitField = target._bitField;
+
+    if (!haveInternalData) {
+        promise._propagateFrom(this, 3);
+        promise._captureStackTrace();
+        if (receiver === undefined &&
+            ((this._bitField & 2097152) !== 0)) {
+            if (!((bitField & 50397184) === 0)) {
+                receiver = this._boundValue();
+            } else {
+                receiver = target === this ? undefined : this._boundTo;
+            }
+        }
+        this._fireEvent("promiseChained", this, promise);
+    }
+
+    var context = getContext();
+    if (!((bitField & 50397184) === 0)) {
+        var handler, value, settler = target._settlePromiseCtx;
+        if (((bitField & 33554432) !== 0)) {
+            value = target._rejectionHandler0;
+            handler = didFulfill;
+        } else if (((bitField & 16777216) !== 0)) {
+            value = target._fulfillmentHandler0;
+            handler = didReject;
+            target._unsetRejectionIsUnhandled();
+        } else {
+            settler = target._settlePromiseLateCancellationObserver;
+            value = new CancellationError("late cancellation observer");
+            target._attachExtraTrace(value);
+            handler = didReject;
+        }
+
+        async.invoke(settler, target, {
+            handler: util.contextBind(context, handler),
+            promise: promise,
+            receiver: receiver,
+            value: value
+        });
+    } else {
+        target._addCallbacks(didFulfill, didReject, promise,
+                receiver, context);
+    }
+
+    return promise;
+};
+
+Promise.prototype._length = function () {
+    return this._bitField & 65535;
+};
+
+Promise.prototype._isFateSealed = function () {
+    return (this._bitField & 117506048) !== 0;
+};
+
+Promise.prototype._isFollowing = function () {
+    return (this._bitField & 67108864) === 67108864;
+};
+
+Promise.prototype._setLength = function (len) {
+    this._bitField = (this._bitField & -65536) |
+        (len & 65535);
+};
+
+Promise.prototype._setFulfilled = function () {
+    this._bitField = this._bitField | 33554432;
+    this._fireEvent("promiseFulfilled", this);
+};
+
+Promise.prototype._setRejected = function () {
+    this._bitField = this._bitField | 16777216;
+    this._fireEvent("promiseRejected", this);
+};
+
+Promise.prototype._setFollowing = function () {
+    this._bitField = this._bitField | 67108864;
+    this._fireEvent("promiseResolved", this);
+};
+
+Promise.prototype._setIsFinal = function () {
+    this._bitField = this._bitField | 4194304;
+};
+
+Promise.prototype._isFinal = function () {
+    return (this._bitField & 4194304) > 0;
+};
+
+Promise.prototype._unsetCancelled = function() {
+    this._bitField = this._bitField & (~65536);
+};
+
+Promise.prototype._setCancelled = function() {
+    this._bitField = this._bitField | 65536;
+    this._fireEvent("promiseCancelled", this);
+};
+
+Promise.prototype._setWillBeCancelled = function() {
+    this._bitField = this._bitField | 8388608;
+};
+
+Promise.prototype._setAsyncGuaranteed = function() {
+    if (async.hasCustomScheduler()) return;
+    var bitField = this._bitField;
+    this._bitField = bitField |
+        (((bitField & 536870912) >> 2) ^
+        134217728);
+};
+
+Promise.prototype._setNoAsyncGuarantee = function() {
+    this._bitField = (this._bitField | 536870912) &
+        (~134217728);
+};
+
+Promise.prototype._receiverAt = function (index) {
+    var ret = index === 0 ? this._receiver0 : this[
+            index * 4 - 4 + 3];
+    if (ret === UNDEFINED_BINDING) {
+        return undefined;
+    } else if (ret === undefined && this._isBound()) {
+        return this._boundValue();
+    }
+    return ret;
+};
+
+Promise.prototype._promiseAt = function (index) {
+    return this[
+            index * 4 - 4 + 2];
+};
+
+Promise.prototype._fulfillmentHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 0];
+};
+
+Promise.prototype._rejectionHandlerAt = function (index) {
+    return this[
+            index * 4 - 4 + 1];
+};
+
+Promise.prototype._boundValue = function() {};
+
+Promise.prototype._migrateCallback0 = function (follower) {
+    var bitField = follower._bitField;
+    var fulfill = follower._fulfillmentHandler0;
+    var reject = follower._rejectionHandler0;
+    var promise = follower._promise0;
+    var receiver = follower._receiverAt(0);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._migrateCallbackAt = function (follower, index) {
+    var fulfill = follower._fulfillmentHandlerAt(index);
+    var reject = follower._rejectionHandlerAt(index);
+    var promise = follower._promiseAt(index);
+    var receiver = follower._receiverAt(index);
+    if (receiver === undefined) receiver = UNDEFINED_BINDING;
+    this._addCallbacks(fulfill, reject, promise, receiver, null);
+};
+
+Promise.prototype._addCallbacks = function (
+    fulfill,
+    reject,
+    promise,
+    receiver,
+    context
+) {
+    var index = this._length();
+
+    if (index >= 65535 - 4) {
+        index = 0;
+        this._setLength(0);
+    }
+
+    if (index === 0) {
+        this._promise0 = promise;
+        this._receiver0 = receiver;
+        if (typeof fulfill === "function") {
+            this._fulfillmentHandler0 = util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this._rejectionHandler0 = util.contextBind(context, reject);
+        }
+    } else {
+        var base = index * 4 - 4;
+        this[base + 2] = promise;
+        this[base + 3] = receiver;
+        if (typeof fulfill === "function") {
+            this[base + 0] =
+                util.contextBind(context, fulfill);
+        }
+        if (typeof reject === "function") {
+            this[base + 1] =
+                util.contextBind(context, reject);
+        }
+    }
+    this._setLength(index + 1);
+    return index;
+};
+
+Promise.prototype._proxy = function (proxyable, arg) {
+    this._addCallbacks(undefined, undefined, arg, proxyable, null);
+};
+
+Promise.prototype._resolveCallback = function(value, shouldBind) {
+    if (((this._bitField & 117506048) !== 0)) return;
+    if (value === this)
+        return this._rejectCallback(makeSelfResolutionError(), false);
+    var maybePromise = tryConvertToPromise(value, this);
+    if (!(maybePromise instanceof Promise)) return this._fulfill(value);
+
+    if (shouldBind) this._propagateFrom(maybePromise, 2);
+
+
+    var promise = maybePromise._target();
+
+    if (promise === this) {
+        this._reject(makeSelfResolutionError());
+        return;
+    }
+
+    var bitField = promise._bitField;
+    if (((bitField & 50397184) === 0)) {
+        var len = this._length();
+        if (len > 0) promise._migrateCallback0(this);
+        for (var i = 1; i < len; ++i) {
+            promise._migrateCallbackAt(this, i);
+        }
+        this._setFollowing();
+        this._setLength(0);
+        this._setFollowee(maybePromise);
+    } else if (((bitField & 33554432) !== 0)) {
+        this._fulfill(promise._value());
+    } else if (((bitField & 16777216) !== 0)) {
+        this._reject(promise._reason());
+    } else {
+        var reason = new CancellationError("late cancellation observer");
+        promise._attachExtraTrace(reason);
+        this._reject(reason);
+    }
+};
+
+Promise.prototype._rejectCallback =
+function(reason, synchronous, ignoreNonErrorWarnings) {
+    var trace = util.ensureErrorObject(reason);
+    var hasStack = trace === reason;
+    if (!hasStack && !ignoreNonErrorWarnings && debug.warnings()) {
+        var message = "a promise was rejected with a non-error: " +
+            util.classString(reason);
+        this._warn(message, true);
+    }
+    this._attachExtraTrace(trace, synchronous ? hasStack : false);
+    this._reject(reason);
+};
+
+Promise.prototype._resolveFromExecutor = function (executor) {
+    if (executor === INTERNAL) return;
+    var promise = this;
+    this._captureStackTrace();
+    this._pushContext();
+    var synchronous = true;
+    var r = this._execute(executor, function(value) {
+        promise._resolveCallback(value);
+    }, function (reason) {
+        promise._rejectCallback(reason, synchronous);
+    });
+    synchronous = false;
+    this._popContext();
+
+    if (r !== undefined) {
+        promise._rejectCallback(r, true);
+    }
+};
+
+Promise.prototype._settlePromiseFromHandler = function (
+    handler, receiver, value, promise
+) {
+    var bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+    promise._pushContext();
+    var x;
+    if (receiver === APPLY) {
+        if (!value || typeof value.length !== "number") {
+            x = errorObj;
+            x.e = new TypeError("cannot .spread() a non-array: " +
+                                    util.classString(value));
+        } else {
+            x = tryCatch(handler).apply(this._boundValue(), value);
+        }
+    } else {
+        x = tryCatch(handler).call(receiver, value);
+    }
+    var promiseCreated = promise._popContext();
+    bitField = promise._bitField;
+    if (((bitField & 65536) !== 0)) return;
+
+    if (x === NEXT_FILTER) {
+        promise._reject(value);
+    } else if (x === errorObj) {
+        promise._rejectCallback(x.e, false);
+    } else {
+        debug.checkForgottenReturns(x, promiseCreated, "",  promise, this);
+        promise._resolveCallback(x);
+    }
+};
+
+Promise.prototype._target = function() {
+    var ret = this;
+    while (ret._isFollowing()) ret = ret._followee();
+    return ret;
+};
+
+Promise.prototype._followee = function() {
+    return this._rejectionHandler0;
+};
+
+Promise.prototype._setFollowee = function(promise) {
+    this._rejectionHandler0 = promise;
+};
+
+Promise.prototype._settlePromise = function(promise, handler, receiver, value) {
+    var isPromise = promise instanceof Promise;
+    var bitField = this._bitField;
+    var asyncGuaranteed = ((bitField & 134217728) !== 0);
+    if (((bitField & 65536) !== 0)) {
+        if (isPromise) promise._invokeInternalOnCancel();
+
+        if (receiver instanceof PassThroughHandlerContext &&
+            receiver.isFinallyHandler()) {
+            receiver.cancelPromise = promise;
+            if (tryCatch(handler).call(receiver, value) === errorObj) {
+                promise._reject(errorObj.e);
+            }
+        } else if (handler === reflectHandler) {
+            promise._fulfill(reflectHandler.call(receiver));
+        } else if (receiver instanceof Proxyable) {
+            receiver._promiseCancelled(promise);
+        } else if (isPromise || promise instanceof PromiseArray) {
+            promise._cancel();
+        } else {
+            receiver.cancel();
+        }
+    } else if (typeof handler === "function") {
+        if (!isPromise) {
+            handler.call(receiver, value, promise);
+        } else {
+            if (asyncGuaranteed) promise._setAsyncGuaranteed();
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (receiver instanceof Proxyable) {
+        if (!receiver._isResolved()) {
+            if (((bitField & 33554432) !== 0)) {
+                receiver._promiseFulfilled(value, promise);
+            } else {
+                receiver._promiseRejected(value, promise);
+            }
+        }
+    } else if (isPromise) {
+        if (asyncGuaranteed) promise._setAsyncGuaranteed();
+        if (((bitField & 33554432) !== 0)) {
+            promise._fulfill(value);
+        } else {
+            promise._reject(value);
+        }
+    }
+};
+
+Promise.prototype._settlePromiseLateCancellationObserver = function(ctx) {
+    var handler = ctx.handler;
+    var promise = ctx.promise;
+    var receiver = ctx.receiver;
+    var value = ctx.value;
+    if (typeof handler === "function") {
+        if (!(promise instanceof Promise)) {
+            handler.call(receiver, value, promise);
+        } else {
+            this._settlePromiseFromHandler(handler, receiver, value, promise);
+        }
+    } else if (promise instanceof Promise) {
+        promise._reject(value);
+    }
+};
+
+Promise.prototype._settlePromiseCtx = function(ctx) {
+    this._settlePromise(ctx.promise, ctx.handler, ctx.receiver, ctx.value);
+};
+
+Promise.prototype._settlePromise0 = function(handler, value, bitField) {
+    var promise = this._promise0;
+    var receiver = this._receiverAt(0);
+    this._promise0 = undefined;
+    this._receiver0 = undefined;
+    this._settlePromise(promise, handler, receiver, value);
+};
+
+Promise.prototype._clearCallbackDataAtIndex = function(index) {
+    var base = index * 4 - 4;
+    this[base + 2] =
+    this[base + 3] =
+    this[base + 0] =
+    this[base + 1] = undefined;
+};
+
+Promise.prototype._fulfill = function (value) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    if (value === this) {
+        var err = makeSelfResolutionError();
+        this._attachExtraTrace(err);
+        return this._reject(err);
+    }
+    this._setFulfilled();
+    this._rejectionHandler0 = value;
+
+    if ((bitField & 65535) > 0) {
+        if (((bitField & 134217728) !== 0)) {
+            this._settlePromises();
+        } else {
+            async.settlePromises(this);
+        }
+        this._dereferenceTrace();
+    }
+};
+
+Promise.prototype._reject = function (reason) {
+    var bitField = this._bitField;
+    if (((bitField & 117506048) >>> 16)) return;
+    this._setRejected();
+    this._fulfillmentHandler0 = reason;
+
+    if (this._isFinal()) {
+        return async.fatalError(reason, util.isNode);
+    }
+
+    if ((bitField & 65535) > 0) {
+        async.settlePromises(this);
+    } else {
+        this._ensurePossibleRejectionHandled();
+    }
+};
+
+Promise.prototype._fulfillPromises = function (len, value) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._fulfillmentHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, value);
+    }
+};
+
+Promise.prototype._rejectPromises = function (len, reason) {
+    for (var i = 1; i < len; i++) {
+        var handler = this._rejectionHandlerAt(i);
+        var promise = this._promiseAt(i);
+        var receiver = this._receiverAt(i);
+        this._clearCallbackDataAtIndex(i);
+        this._settlePromise(promise, handler, receiver, reason);
+    }
+};
+
+Promise.prototype._settlePromises = function () {
+    var bitField = this._bitField;
+    var len = (bitField & 65535);
+
+    if (len > 0) {
+        if (((bitField & 16842752) !== 0)) {
+            var reason = this._fulfillmentHandler0;
+            this._settlePromise0(this._rejectionHandler0, reason, bitField);
+            this._rejectPromises(len, reason);
+        } else {
+            var value = this._rejectionHandler0;
+            this._settlePromise0(this._fulfillmentHandler0, value, bitField);
+            this._fulfillPromises(len, value);
+        }
+        this._setLength(0);
+    }
+    this._clearCancellationData();
+};
+
+Promise.prototype._settledValue = function() {
+    var bitField = this._bitField;
+    if (((bitField & 33554432) !== 0)) {
+        return this._rejectionHandler0;
+    } else if (((bitField & 16777216) !== 0)) {
+        return this._fulfillmentHandler0;
+    }
+};
+
+if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
+    es5.defineProperty(Promise.prototype, Symbol.toStringTag, {
+        get: function () {
+            return "Object";
+        }
+    });
+}
+
+function deferResolve(v) {this.promise._resolveCallback(v);}
+function deferReject(v) {this.promise._rejectCallback(v, false);}
+
+Promise.defer = Promise.pending = function() {
+    debug.deprecated("Promise.defer", "new Promise");
+    var promise = new Promise(INTERNAL);
+    return {
+        promise: promise,
+        resolve: deferResolve,
+        reject: deferReject
+    };
+};
+
+util.notEnumerableProp(Promise,
+                       "_makeSelfResolutionError",
+                       makeSelfResolutionError);
+
+require("./method")(Promise, INTERNAL, tryConvertToPromise, apiRejection,
+    debug);
+require("./bind")(Promise, INTERNAL, tryConvertToPromise, debug);
+require("./cancel")(Promise, PromiseArray, apiRejection, debug);
+require("./direct_resolve")(Promise);
+require("./synchronous_inspection")(Promise);
+require("./join")(
+    Promise, PromiseArray, tryConvertToPromise, INTERNAL, async);
+Promise.Promise = Promise;
+Promise.version = "3.7.2";
+require('./call_get.js')(Promise);
+require('./generators.js')(Promise, apiRejection, INTERNAL, tryConvertToPromise, Proxyable, debug);
+require('./map.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL, debug);
+require('./nodeify.js')(Promise);
+require('./promisify.js')(Promise, INTERNAL);
+require('./props.js')(Promise, PromiseArray, tryConvertToPromise, apiRejection);
+require('./race.js')(Promise, INTERNAL, tryConvertToPromise, apiRejection);
+require('./reduce.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL, debug);
+require('./settle.js')(Promise, PromiseArray, debug);
+require('./some.js')(Promise, PromiseArray, apiRejection);
+require('./timers.js')(Promise, INTERNAL, debug);
+require('./using.js')(Promise, apiRejection, tryConvertToPromise, createContext, INTERNAL, debug);
+require('./any.js')(Promise);
+require('./each.js')(Promise, INTERNAL);
+require('./filter.js')(Promise, INTERNAL);
+                                                         
+    util.toFastProperties(Promise);                                          
+    util.toFastProperties(Promise.prototype);                                
+    function fillTypes(value) {                                              
+        var p = new Promise(INTERNAL);                                       
+        p._fulfillmentHandler0 = value;                                      
+        p._rejectionHandler0 = value;                                        
+        p._promise0 = value;                                                 
+        p._receiver0 = value;                                                
+    }                                                                        
+    // Complete slack tracking, opt out of field-type tracking and           
+    // stabilize map                                                         
+    fillTypes({a: 1});                                                       
+    fillTypes({b: 2});                                                       
+    fillTypes({c: 3});                                                       
+    fillTypes(1);                                                            
+    fillTypes(function(){});                                                 
+    fillTypes(undefined);                                                    
+    fillTypes(false);                                                        
+    fillTypes(new Promise(INTERNAL));                                        
+    debug.setBounds(Async.firstLineError, util.lastLineError);               
+    return Promise;                                                          
+
+};
diff --git a/node_modules/bluebird/js/release/promise_array.js b/node_modules/bluebird/js/release/promise_array.js
new file mode 100644
index 00000000..8fc665a4
--- /dev/null
+++ b/node_modules/bluebird/js/release/promise_array.js
@@ -0,0 +1,186 @@
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise,
+    apiRejection, Proxyable) {
+var util = require("./util");
+var isArray = util.isArray;
+
+function toResolutionValue(val) {
+    switch(val) {
+    case -2: return [];
+    case -3: return {};
+    case -6: return new Map();
+    }
+}
+
+function PromiseArray(values) {
+    var promise = this._promise = new Promise(INTERNAL);
+    if (values instanceof Promise) {
+        promise._propagateFrom(values, 3);
+        values.suppressUnhandledRejections();
+    }
+    promise._setOnCancel(this);
+    this._values = values;
+    this._length = 0;
+    this._totalResolved = 0;
+    this._init(undefined, -2);
+}
+util.inherits(PromiseArray, Proxyable);
+
+PromiseArray.prototype.length = function () {
+    return this._length;
+};
+
+PromiseArray.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) {
+    var values = tryConvertToPromise(this._values, this._promise);
+    if (values instanceof Promise) {
+        values = values._target();
+        var bitField = values._bitField;
+        ;
+        this._values = values;
+
+        if (((bitField & 50397184) === 0)) {
+            this._promise._setAsyncGuaranteed();
+            return values._then(
+                init,
+                this._reject,
+                undefined,
+                this,
+                resolveValueIfEmpty
+           );
+        } else if (((bitField & 33554432) !== 0)) {
+            values = values._value();
+        } else if (((bitField & 16777216) !== 0)) {
+            return this._reject(values._reason());
+        } else {
+            return this._cancel();
+        }
+    }
+    values = util.asArray(values);
+    if (values === null) {
+        var err = apiRejection(
+            "expecting an array or an iterable object but got " + util.classString(values)).reason();
+        this._promise._rejectCallback(err, false);
+        return;
+    }
+
+    if (values.length === 0) {
+        if (resolveValueIfEmpty === -5) {
+            this._resolveEmptyArray();
+        }
+        else {
+            this._resolve(toResolutionValue(resolveValueIfEmpty));
+        }
+        return;
+    }
+    this._iterate(values);
+};
+
+PromiseArray.prototype._iterate = function(values) {
+    var len = this.getActualLength(values.length);
+    this._length = len;
+    this._values = this.shouldCopyValues() ? new Array(len) : this._values;
+    var result = this._promise;
+    var isResolved = false;
+    var bitField = null;
+    for (var i = 0; i < len; ++i) {
+        var maybePromise = tryConvertToPromise(values[i], result);
+
+        if (maybePromise instanceof Promise) {
+            maybePromise = maybePromise._target();
+            bitField = maybePromise._bitField;
+        } else {
+            bitField = null;
+        }
+
+        if (isResolved) {
+            if (bitField !== null) {
+                maybePromise.suppressUnhandledRejections();
+            }
+        } else if (bitField !== null) {
+            if (((bitField & 50397184) === 0)) {
+                maybePromise._proxy(this, i);
+                this._values[i] = maybePromise;
+            } else if (((bitField & 33554432) !== 0)) {
+                isResolved = this._promiseFulfilled(maybePromise._value(), i);
+            } else if (((bitField & 16777216) !== 0)) {
+                isResolved = this._promiseRejected(maybePromise._reason(), i);
+            } else {
+                isResolved = this._promiseCancelled(i);
+            }
+        } else {
+            isResolved = this._promiseFulfilled(maybePromise, i);
+        }
+    }
+    if (!isResolved) result._setAsyncGuaranteed();
+};
+
+PromiseArray.prototype._isResolved = function () {
+    return this._values === null;
+};
+
+PromiseArray.prototype._resolve = function (value) {
+    this._values = null;
+    this._promise._fulfill(value);
+};
+
+PromiseArray.prototype._cancel = function() {
+    if (this._isResolved() || !this._promise._isCancellable()) return;
+    this._values = null;
+    this._promise._cancel();
+};
+
+PromiseArray.prototype._reject = function (reason) {
+    this._values = null;
+    this._promise._rejectCallback(reason, false);
+};
+
+PromiseArray.prototype._promiseFulfilled = function (value, index) {
+    this._values[index] = value;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        this._resolve(this._values);
+        return true;
+    }
+    return false;
+};
+
+PromiseArray.prototype._promiseCancelled = function() {
+    this._cancel();
+    return true;
+};
+
+PromiseArray.prototype._promiseRejected = function (reason) {
+    this._totalResolved++;
+    this._reject(reason);
+    return true;
+};
+
+PromiseArray.prototype._resultCancelled = function() {
+    if (this._isResolved()) return;
+    var values = this._values;
+    this._cancel();
+    if (values instanceof Promise) {
+        values.cancel();
+    } else {
+        for (var i = 0; i < values.length; ++i) {
+            if (values[i] instanceof Promise) {
+                values[i].cancel();
+            }
+        }
+    }
+};
+
+PromiseArray.prototype.shouldCopyValues = function () {
+    return true;
+};
+
+PromiseArray.prototype.getActualLength = function (len) {
+    return len;
+};
+
+return PromiseArray;
+};
diff --git a/node_modules/bluebird/js/release/promisify.js b/node_modules/bluebird/js/release/promisify.js
new file mode 100644
index 00000000..aa98e5bd
--- /dev/null
+++ b/node_modules/bluebird/js/release/promisify.js
@@ -0,0 +1,314 @@
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var THIS = {};
+var util = require("./util");
+var nodebackForPromise = require("./nodeback");
+var withAppended = util.withAppended;
+var maybeWrapAsError = util.maybeWrapAsError;
+var canEvaluate = util.canEvaluate;
+var TypeError = require("./errors").TypeError;
+var defaultSuffix = "Async";
+var defaultPromisified = {__isPromisified__: true};
+var noCopyProps = [
+    "arity",    "length",
+    "name",
+    "arguments",
+    "caller",
+    "callee",
+    "prototype",
+    "__isPromisified__"
+];
+var noCopyPropsPattern = new RegExp("^(?:" + noCopyProps.join("|") + ")$");
+
+var defaultFilter = function(name) {
+    return util.isIdentifier(name) &&
+        name.charAt(0) !== "_" &&
+        name !== "constructor";
+};
+
+function propsFilter(key) {
+    return !noCopyPropsPattern.test(key);
+}
+
+function isPromisified(fn) {
+    try {
+        return fn.__isPromisified__ === true;
+    }
+    catch (e) {
+        return false;
+    }
+}
+
+function hasPromisified(obj, key, suffix) {
+    var val = util.getDataPropertyOrDefault(obj, key + suffix,
+                                            defaultPromisified);
+    return val ? isPromisified(val) : false;
+}
+function checkValid(ret, suffix, suffixRegexp) {
+    for (var i = 0; i < ret.length; i += 2) {
+        var key = ret[i];
+        if (suffixRegexp.test(key)) {
+            var keyWithoutAsyncSuffix = key.replace(suffixRegexp, "");
+            for (var j = 0; j < ret.length; j += 2) {
+                if (ret[j] === keyWithoutAsyncSuffix) {
+                    throw new TypeError("Cannot promisify an API that has normal methods with '%s'-suffix\u000a\u000a    See http://goo.gl/MqrFmX\u000a"
+                        .replace("%s", suffix));
+                }
+            }
+        }
+    }
+}
+
+function promisifiableMethods(obj, suffix, suffixRegexp, filter) {
+    var keys = util.inheritedDataKeys(obj);
+    var ret = [];
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var value = obj[key];
+        var passesDefaultFilter = filter === defaultFilter
+            ? true : defaultFilter(key, value, obj);
+        if (typeof value === "function" &&
+            !isPromisified(value) &&
+            !hasPromisified(obj, key, suffix) &&
+            filter(key, value, obj, passesDefaultFilter)) {
+            ret.push(key, value);
+        }
+    }
+    checkValid(ret, suffix, suffixRegexp);
+    return ret;
+}
+
+var escapeIdentRegex = function(str) {
+    return str.replace(/([$])/, "\\$");
+};
+
+var makeNodePromisifiedEval;
+if (!false) {
+var switchCaseArgumentOrder = function(likelyArgumentCount) {
+    var ret = [likelyArgumentCount];
+    var min = Math.max(0, likelyArgumentCount - 1 - 3);
+    for(var i = likelyArgumentCount - 1; i >= min; --i) {
+        ret.push(i);
+    }
+    for(var i = likelyArgumentCount + 1; i <= 3; ++i) {
+        ret.push(i);
+    }
+    return ret;
+};
+
+var argumentSequence = function(argumentCount) {
+    return util.filledRange(argumentCount, "_arg", "");
+};
+
+var parameterDeclaration = function(parameterCount) {
+    return util.filledRange(
+        Math.max(parameterCount, 3), "_arg", "");
+};
+
+var parameterCount = function(fn) {
+    if (typeof fn.length === "number") {
+        return Math.max(Math.min(fn.length, 1023 + 1), 0);
+    }
+    return 0;
+};
+
+makeNodePromisifiedEval =
+function(callback, receiver, originalName, fn, _, multiArgs) {
+    var newParameterCount = Math.max(0, parameterCount(fn) - 1);
+    var argumentOrder = switchCaseArgumentOrder(newParameterCount);
+    var shouldProxyThis = typeof callback === "string" || receiver === THIS;
+
+    function generateCallForArgumentCount(count) {
+        var args = argumentSequence(count).join(", ");
+        var comma = count > 0 ? ", " : "";
+        var ret;
+        if (shouldProxyThis) {
+            ret = "ret = callback.call(this, {{args}}, nodeback); break;\n";
+        } else {
+            ret = receiver === undefined
+                ? "ret = callback({{args}}, nodeback); break;\n"
+                : "ret = callback.call(receiver, {{args}}, nodeback); break;\n";
+        }
+        return ret.replace("{{args}}", args).replace(", ", comma);
+    }
+
+    function generateArgumentSwitchCase() {
+        var ret = "";
+        for (var i = 0; i < argumentOrder.length; ++i) {
+            ret += "case " + argumentOrder[i] +":" +
+                generateCallForArgumentCount(argumentOrder[i]);
+        }
+
+        ret += "                                                             \n\
+        default:                                                             \n\
+            var args = new Array(len + 1);                                   \n\
+            var i = 0;                                                       \n\
+            for (var i = 0; i < len; ++i) {                                  \n\
+               args[i] = arguments[i];                                       \n\
+            }                                                                \n\
+            args[i] = nodeback;                                              \n\
+            [CodeForCall]                                                    \n\
+            break;                                                           \n\
+        ".replace("[CodeForCall]", (shouldProxyThis
+                                ? "ret = callback.apply(this, args);\n"
+                                : "ret = callback.apply(receiver, args);\n"));
+        return ret;
+    }
+
+    var getFunctionCode = typeof callback === "string"
+                                ? ("this != null ? this['"+callback+"'] : fn")
+                                : "fn";
+    var body = "'use strict';                                                \n\
+        var ret = function (Parameters) {                                    \n\
+            'use strict';                                                    \n\
+            var len = arguments.length;                                      \n\
+            var promise = new Promise(INTERNAL);                             \n\
+            promise._captureStackTrace();                                    \n\
+            var nodeback = nodebackForPromise(promise, " + multiArgs + ");   \n\
+            var ret;                                                         \n\
+            var callback = tryCatch([GetFunctionCode]);                      \n\
+            switch(len) {                                                    \n\
+                [CodeForSwitchCase]                                          \n\
+            }                                                                \n\
+            if (ret === errorObj) {                                          \n\
+                promise._rejectCallback(maybeWrapAsError(ret.e), true, true);\n\
+            }                                                                \n\
+            if (!promise._isFateSealed()) promise._setAsyncGuaranteed();     \n\
+            return promise;                                                  \n\
+        };                                                                   \n\
+        notEnumerableProp(ret, '__isPromisified__', true);                   \n\
+        return ret;                                                          \n\
+    ".replace("[CodeForSwitchCase]", generateArgumentSwitchCase())
+        .replace("[GetFunctionCode]", getFunctionCode);
+    body = body.replace("Parameters", parameterDeclaration(newParameterCount));
+    return new Function("Promise",
+                        "fn",
+                        "receiver",
+                        "withAppended",
+                        "maybeWrapAsError",
+                        "nodebackForPromise",
+                        "tryCatch",
+                        "errorObj",
+                        "notEnumerableProp",
+                        "INTERNAL",
+                        body)(
+                    Promise,
+                    fn,
+                    receiver,
+                    withAppended,
+                    maybeWrapAsError,
+                    nodebackForPromise,
+                    util.tryCatch,
+                    util.errorObj,
+                    util.notEnumerableProp,
+                    INTERNAL);
+};
+}
+
+function makeNodePromisifiedClosure(callback, receiver, _, fn, __, multiArgs) {
+    var defaultThis = (function() {return this;})();
+    var method = callback;
+    if (typeof method === "string") {
+        callback = fn;
+    }
+    function promisified() {
+        var _receiver = receiver;
+        if (receiver === THIS) _receiver = this;
+        var promise = new Promise(INTERNAL);
+        promise._captureStackTrace();
+        var cb = typeof method === "string" && this !== defaultThis
+            ? this[method] : callback;
+        var fn = nodebackForPromise(promise, multiArgs);
+        try {
+            cb.apply(_receiver, withAppended(arguments, fn));
+        } catch(e) {
+            promise._rejectCallback(maybeWrapAsError(e), true, true);
+        }
+        if (!promise._isFateSealed()) promise._setAsyncGuaranteed();
+        return promise;
+    }
+    util.notEnumerableProp(promisified, "__isPromisified__", true);
+    return promisified;
+}
+
+var makeNodePromisified = canEvaluate
+    ? makeNodePromisifiedEval
+    : makeNodePromisifiedClosure;
+
+function promisifyAll(obj, suffix, filter, promisifier, multiArgs) {
+    var suffixRegexp = new RegExp(escapeIdentRegex(suffix) + "$");
+    var methods =
+        promisifiableMethods(obj, suffix, suffixRegexp, filter);
+
+    for (var i = 0, len = methods.length; i < len; i+= 2) {
+        var key = methods[i];
+        var fn = methods[i+1];
+        var promisifiedKey = key + suffix;
+        if (promisifier === makeNodePromisified) {
+            obj[promisifiedKey] =
+                makeNodePromisified(key, THIS, key, fn, suffix, multiArgs);
+        } else {
+            var promisified = promisifier(fn, function() {
+                return makeNodePromisified(key, THIS, key,
+                                           fn, suffix, multiArgs);
+            });
+            util.notEnumerableProp(promisified, "__isPromisified__", true);
+            obj[promisifiedKey] = promisified;
+        }
+    }
+    util.toFastProperties(obj);
+    return obj;
+}
+
+function promisify(callback, receiver, multiArgs) {
+    return makeNodePromisified(callback, receiver, undefined,
+                                callback, null, multiArgs);
+}
+
+Promise.promisify = function (fn, options) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    if (isPromisified(fn)) {
+        return fn;
+    }
+    options = Object(options);
+    var receiver = options.context === undefined ? THIS : options.context;
+    var multiArgs = !!options.multiArgs;
+    var ret = promisify(fn, receiver, multiArgs);
+    util.copyDescriptors(fn, ret, propsFilter);
+    return ret;
+};
+
+Promise.promisifyAll = function (target, options) {
+    if (typeof target !== "function" && typeof target !== "object") {
+        throw new TypeError("the target of promisifyAll must be an object or a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    options = Object(options);
+    var multiArgs = !!options.multiArgs;
+    var suffix = options.suffix;
+    if (typeof suffix !== "string") suffix = defaultSuffix;
+    var filter = options.filter;
+    if (typeof filter !== "function") filter = defaultFilter;
+    var promisifier = options.promisifier;
+    if (typeof promisifier !== "function") promisifier = makeNodePromisified;
+
+    if (!util.isIdentifier(suffix)) {
+        throw new RangeError("suffix must be a valid identifier\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+
+    var keys = util.inheritedDataKeys(target);
+    for (var i = 0; i < keys.length; ++i) {
+        var value = target[keys[i]];
+        if (keys[i] !== "constructor" &&
+            util.isClass(value)) {
+            promisifyAll(value.prototype, suffix, filter, promisifier,
+                multiArgs);
+            promisifyAll(value, suffix, filter, promisifier, multiArgs);
+        }
+    }
+
+    return promisifyAll(target, suffix, filter, promisifier, multiArgs);
+};
+};
+
diff --git a/node_modules/bluebird/js/release/props.js b/node_modules/bluebird/js/release/props.js
new file mode 100644
index 00000000..6a34aaf5
--- /dev/null
+++ b/node_modules/bluebird/js/release/props.js
@@ -0,0 +1,118 @@
+"use strict";
+module.exports = function(
+    Promise, PromiseArray, tryConvertToPromise, apiRejection) {
+var util = require("./util");
+var isObject = util.isObject;
+var es5 = require("./es5");
+var Es6Map;
+if (typeof Map === "function") Es6Map = Map;
+
+var mapToEntries = (function() {
+    var index = 0;
+    var size = 0;
+
+    function extractEntry(value, key) {
+        this[index] = value;
+        this[index + size] = key;
+        index++;
+    }
+
+    return function mapToEntries(map) {
+        size = map.size;
+        index = 0;
+        var ret = new Array(map.size * 2);
+        map.forEach(extractEntry, ret);
+        return ret;
+    };
+})();
+
+var entriesToMap = function(entries) {
+    var ret = new Es6Map();
+    var length = entries.length / 2 | 0;
+    for (var i = 0; i < length; ++i) {
+        var key = entries[length + i];
+        var value = entries[i];
+        ret.set(key, value);
+    }
+    return ret;
+};
+
+function PropertiesPromiseArray(obj) {
+    var isMap = false;
+    var entries;
+    if (Es6Map !== undefined && obj instanceof Es6Map) {
+        entries = mapToEntries(obj);
+        isMap = true;
+    } else {
+        var keys = es5.keys(obj);
+        var len = keys.length;
+        entries = new Array(len * 2);
+        for (var i = 0; i < len; ++i) {
+            var key = keys[i];
+            entries[i] = obj[key];
+            entries[i + len] = key;
+        }
+    }
+    this.constructor$(entries);
+    this._isMap = isMap;
+    this._init$(undefined, isMap ? -6 : -3);
+}
+util.inherits(PropertiesPromiseArray, PromiseArray);
+
+PropertiesPromiseArray.prototype._init = function () {};
+
+PropertiesPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    this._values[index] = value;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        var val;
+        if (this._isMap) {
+            val = entriesToMap(this._values);
+        } else {
+            val = {};
+            var keyOffset = this.length();
+            for (var i = 0, len = this.length(); i < len; ++i) {
+                val[this._values[i + keyOffset]] = this._values[i];
+            }
+        }
+        this._resolve(val);
+        return true;
+    }
+    return false;
+};
+
+PropertiesPromiseArray.prototype.shouldCopyValues = function () {
+    return false;
+};
+
+PropertiesPromiseArray.prototype.getActualLength = function (len) {
+    return len >> 1;
+};
+
+function props(promises) {
+    var ret;
+    var castValue = tryConvertToPromise(promises);
+
+    if (!isObject(castValue)) {
+        return apiRejection("cannot await properties of a non-object\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    } else if (castValue instanceof Promise) {
+        ret = castValue._then(
+            Promise.props, undefined, undefined, undefined, undefined);
+    } else {
+        ret = new PropertiesPromiseArray(castValue).promise();
+    }
+
+    if (castValue instanceof Promise) {
+        ret._propagateFrom(castValue, 2);
+    }
+    return ret;
+}
+
+Promise.prototype.props = function () {
+    return props(this);
+};
+
+Promise.props = function (promises) {
+    return props(promises);
+};
+};
diff --git a/node_modules/bluebird/js/release/queue.js b/node_modules/bluebird/js/release/queue.js
new file mode 100644
index 00000000..ffd36fda
--- /dev/null
+++ b/node_modules/bluebird/js/release/queue.js
@@ -0,0 +1,73 @@
+"use strict";
+function arrayMove(src, srcIndex, dst, dstIndex, len) {
+    for (var j = 0; j < len; ++j) {
+        dst[j + dstIndex] = src[j + srcIndex];
+        src[j + srcIndex] = void 0;
+    }
+}
+
+function Queue(capacity) {
+    this._capacity = capacity;
+    this._length = 0;
+    this._front = 0;
+}
+
+Queue.prototype._willBeOverCapacity = function (size) {
+    return this._capacity < size;
+};
+
+Queue.prototype._pushOne = function (arg) {
+    var length = this.length();
+    this._checkCapacity(length + 1);
+    var i = (this._front + length) & (this._capacity - 1);
+    this[i] = arg;
+    this._length = length + 1;
+};
+
+Queue.prototype.push = function (fn, receiver, arg) {
+    var length = this.length() + 3;
+    if (this._willBeOverCapacity(length)) {
+        this._pushOne(fn);
+        this._pushOne(receiver);
+        this._pushOne(arg);
+        return;
+    }
+    var j = this._front + length - 3;
+    this._checkCapacity(length);
+    var wrapMask = this._capacity - 1;
+    this[(j + 0) & wrapMask] = fn;
+    this[(j + 1) & wrapMask] = receiver;
+    this[(j + 2) & wrapMask] = arg;
+    this._length = length;
+};
+
+Queue.prototype.shift = function () {
+    var front = this._front,
+        ret = this[front];
+
+    this[front] = undefined;
+    this._front = (front + 1) & (this._capacity - 1);
+    this._length--;
+    return ret;
+};
+
+Queue.prototype.length = function () {
+    return this._length;
+};
+
+Queue.prototype._checkCapacity = function (size) {
+    if (this._capacity < size) {
+        this._resizeTo(this._capacity << 1);
+    }
+};
+
+Queue.prototype._resizeTo = function (capacity) {
+    var oldCapacity = this._capacity;
+    this._capacity = capacity;
+    var front = this._front;
+    var length = this._length;
+    var moveItemsCount = (front + length) & (oldCapacity - 1);
+    arrayMove(this, 0, this, oldCapacity, moveItemsCount);
+};
+
+module.exports = Queue;
diff --git a/node_modules/bluebird/js/release/race.js b/node_modules/bluebird/js/release/race.js
new file mode 100644
index 00000000..b862f46d
--- /dev/null
+++ b/node_modules/bluebird/js/release/race.js
@@ -0,0 +1,49 @@
+"use strict";
+module.exports = function(
+    Promise, INTERNAL, tryConvertToPromise, apiRejection) {
+var util = require("./util");
+
+var raceLater = function (promise) {
+    return promise.then(function(array) {
+        return race(array, promise);
+    });
+};
+
+function race(promises, parent) {
+    var maybePromise = tryConvertToPromise(promises);
+
+    if (maybePromise instanceof Promise) {
+        return raceLater(maybePromise);
+    } else {
+        promises = util.asArray(promises);
+        if (promises === null)
+            return apiRejection("expecting an array or an iterable object but got " + util.classString(promises));
+    }
+
+    var ret = new Promise(INTERNAL);
+    if (parent !== undefined) {
+        ret._propagateFrom(parent, 3);
+    }
+    var fulfill = ret._fulfill;
+    var reject = ret._reject;
+    for (var i = 0, len = promises.length; i < len; ++i) {
+        var val = promises[i];
+
+        if (val === undefined && !(i in promises)) {
+            continue;
+        }
+
+        Promise.cast(val)._then(fulfill, reject, undefined, ret, null);
+    }
+    return ret;
+}
+
+Promise.race = function (promises) {
+    return race(promises, undefined);
+};
+
+Promise.prototype.race = function () {
+    return race(this, undefined);
+};
+
+};
diff --git a/node_modules/bluebird/js/release/reduce.js b/node_modules/bluebird/js/release/reduce.js
new file mode 100644
index 00000000..101ac226
--- /dev/null
+++ b/node_modules/bluebird/js/release/reduce.js
@@ -0,0 +1,183 @@
+"use strict";
+module.exports = function(Promise,
+                          PromiseArray,
+                          apiRejection,
+                          tryConvertToPromise,
+                          INTERNAL,
+                          debug) {
+var util = require("./util");
+var tryCatch = util.tryCatch;
+
+function ReductionPromiseArray(promises, fn, initialValue, _each) {
+    this.constructor$(promises);
+    var context = Promise._getContext();
+    this._fn = util.contextBind(context, fn);
+    if (initialValue !== undefined) {
+        initialValue = Promise.resolve(initialValue);
+        initialValue._attachCancellationCallback(this);
+    }
+    this._initialValue = initialValue;
+    this._currentCancellable = null;
+    if(_each === INTERNAL) {
+        this._eachValues = Array(this._length);
+    } else if (_each === 0) {
+        this._eachValues = null;
+    } else {
+        this._eachValues = undefined;
+    }
+    this._promise._captureStackTrace();
+    this._init$(undefined, -5);
+}
+util.inherits(ReductionPromiseArray, PromiseArray);
+
+ReductionPromiseArray.prototype._gotAccum = function(accum) {
+    if (this._eachValues !== undefined &&
+        this._eachValues !== null &&
+        accum !== INTERNAL) {
+        this._eachValues.push(accum);
+    }
+};
+
+ReductionPromiseArray.prototype._eachComplete = function(value) {
+    if (this._eachValues !== null) {
+        this._eachValues.push(value);
+    }
+    return this._eachValues;
+};
+
+ReductionPromiseArray.prototype._init = function() {};
+
+ReductionPromiseArray.prototype._resolveEmptyArray = function() {
+    this._resolve(this._eachValues !== undefined ? this._eachValues
+                                                 : this._initialValue);
+};
+
+ReductionPromiseArray.prototype.shouldCopyValues = function () {
+    return false;
+};
+
+ReductionPromiseArray.prototype._resolve = function(value) {
+    this._promise._resolveCallback(value);
+    this._values = null;
+};
+
+ReductionPromiseArray.prototype._resultCancelled = function(sender) {
+    if (sender === this._initialValue) return this._cancel();
+    if (this._isResolved()) return;
+    this._resultCancelled$();
+    if (this._currentCancellable instanceof Promise) {
+        this._currentCancellable.cancel();
+    }
+    if (this._initialValue instanceof Promise) {
+        this._initialValue.cancel();
+    }
+};
+
+ReductionPromiseArray.prototype._iterate = function (values) {
+    this._values = values;
+    var value;
+    var i;
+    var length = values.length;
+    if (this._initialValue !== undefined) {
+        value = this._initialValue;
+        i = 0;
+    } else {
+        value = Promise.resolve(values[0]);
+        i = 1;
+    }
+
+    this._currentCancellable = value;
+
+    for (var j = i; j < length; ++j) {
+        var maybePromise = values[j];
+        if (maybePromise instanceof Promise) {
+            maybePromise.suppressUnhandledRejections();
+        }
+    }
+
+    if (!value.isRejected()) {
+        for (; i < length; ++i) {
+            var ctx = {
+                accum: null,
+                value: values[i],
+                index: i,
+                length: length,
+                array: this
+            };
+
+            value = value._then(gotAccum, undefined, undefined, ctx, undefined);
+
+            if ((i & 127) === 0) {
+                value._setNoAsyncGuarantee();
+            }
+        }
+    }
+
+    if (this._eachValues !== undefined) {
+        value = value
+            ._then(this._eachComplete, undefined, undefined, this, undefined);
+    }
+    value._then(completed, completed, undefined, value, this);
+};
+
+Promise.prototype.reduce = function (fn, initialValue) {
+    return reduce(this, fn, initialValue, null);
+};
+
+Promise.reduce = function (promises, fn, initialValue, _each) {
+    return reduce(promises, fn, initialValue, _each);
+};
+
+function completed(valueOrReason, array) {
+    if (this.isFulfilled()) {
+        array._resolve(valueOrReason);
+    } else {
+        array._reject(valueOrReason);
+    }
+}
+
+function reduce(promises, fn, initialValue, _each) {
+    if (typeof fn !== "function") {
+        return apiRejection("expecting a function but got " + util.classString(fn));
+    }
+    var array = new ReductionPromiseArray(promises, fn, initialValue, _each);
+    return array.promise();
+}
+
+function gotAccum(accum) {
+    this.accum = accum;
+    this.array._gotAccum(accum);
+    var value = tryConvertToPromise(this.value, this.array._promise);
+    if (value instanceof Promise) {
+        this.array._currentCancellable = value;
+        return value._then(gotValue, undefined, undefined, this, undefined);
+    } else {
+        return gotValue.call(this, value);
+    }
+}
+
+function gotValue(value) {
+    var array = this.array;
+    var promise = array._promise;
+    var fn = tryCatch(array._fn);
+    promise._pushContext();
+    var ret;
+    if (array._eachValues !== undefined) {
+        ret = fn.call(promise._boundValue(), value, this.index, this.length);
+    } else {
+        ret = fn.call(promise._boundValue(),
+                              this.accum, value, this.index, this.length);
+    }
+    if (ret instanceof Promise) {
+        array._currentCancellable = ret;
+    }
+    var promiseCreated = promise._popContext();
+    debug.checkForgottenReturns(
+        ret,
+        promiseCreated,
+        array._eachValues !== undefined ? "Promise.each" : "Promise.reduce",
+        promise
+    );
+    return ret;
+}
+};
diff --git a/node_modules/bluebird/js/release/schedule.js b/node_modules/bluebird/js/release/schedule.js
new file mode 100644
index 00000000..15197d14
--- /dev/null
+++ b/node_modules/bluebird/js/release/schedule.js
@@ -0,0 +1,62 @@
+"use strict";
+var util = require("./util");
+var schedule;
+var noAsyncScheduler = function() {
+    throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+};
+var NativePromise = util.getNativePromise();
+if (util.isNode && typeof MutationObserver === "undefined") {
+    var GlobalSetImmediate = global.setImmediate;
+    var ProcessNextTick = process.nextTick;
+    schedule = util.isRecentNode
+                ? function(fn) { GlobalSetImmediate.call(global, fn); }
+                : function(fn) { ProcessNextTick.call(process, fn); };
+} else if (typeof NativePromise === "function" &&
+           typeof NativePromise.resolve === "function") {
+    var nativePromise = NativePromise.resolve();
+    schedule = function(fn) {
+        nativePromise.then(fn);
+    };
+} else if ((typeof MutationObserver !== "undefined") &&
+          !(typeof window !== "undefined" &&
+            window.navigator &&
+            (window.navigator.standalone || window.cordova)) &&
+          ("classList" in document.documentElement)) {
+    schedule = (function() {
+        var div = document.createElement("div");
+        var opts = {attributes: true};
+        var toggleScheduled = false;
+        var div2 = document.createElement("div");
+        var o2 = new MutationObserver(function() {
+            div.classList.toggle("foo");
+            toggleScheduled = false;
+        });
+        o2.observe(div2, opts);
+
+        var scheduleToggle = function() {
+            if (toggleScheduled) return;
+            toggleScheduled = true;
+            div2.classList.toggle("foo");
+        };
+
+        return function schedule(fn) {
+            var o = new MutationObserver(function() {
+                o.disconnect();
+                fn();
+            });
+            o.observe(div, opts);
+            scheduleToggle();
+        };
+    })();
+} else if (typeof setImmediate !== "undefined") {
+    schedule = function (fn) {
+        setImmediate(fn);
+    };
+} else if (typeof setTimeout !== "undefined") {
+    schedule = function (fn) {
+        setTimeout(fn, 0);
+    };
+} else {
+    schedule = noAsyncScheduler;
+}
+module.exports = schedule;
diff --git a/node_modules/bluebird/js/release/settle.js b/node_modules/bluebird/js/release/settle.js
new file mode 100644
index 00000000..e24b2047
--- /dev/null
+++ b/node_modules/bluebird/js/release/settle.js
@@ -0,0 +1,47 @@
+"use strict";
+module.exports =
+    function(Promise, PromiseArray, debug) {
+var PromiseInspection = Promise.PromiseInspection;
+var util = require("./util");
+
+function SettledPromiseArray(values) {
+    this.constructor$(values);
+}
+util.inherits(SettledPromiseArray, PromiseArray);
+
+SettledPromiseArray.prototype._promiseResolved = function (index, inspection) {
+    this._values[index] = inspection;
+    var totalResolved = ++this._totalResolved;
+    if (totalResolved >= this._length) {
+        this._resolve(this._values);
+        return true;
+    }
+    return false;
+};
+
+SettledPromiseArray.prototype._promiseFulfilled = function (value, index) {
+    var ret = new PromiseInspection();
+    ret._bitField = 33554432;
+    ret._settledValueField = value;
+    return this._promiseResolved(index, ret);
+};
+SettledPromiseArray.prototype._promiseRejected = function (reason, index) {
+    var ret = new PromiseInspection();
+    ret._bitField = 16777216;
+    ret._settledValueField = reason;
+    return this._promiseResolved(index, ret);
+};
+
+Promise.settle = function (promises) {
+    debug.deprecated(".settle()", ".reflect()");
+    return new SettledPromiseArray(promises).promise();
+};
+
+Promise.allSettled = function (promises) {
+    return new SettledPromiseArray(promises).promise();
+};
+
+Promise.prototype.settle = function () {
+    return Promise.settle(this);
+};
+};
diff --git a/node_modules/bluebird/js/release/some.js b/node_modules/bluebird/js/release/some.js
new file mode 100644
index 00000000..400d8520
--- /dev/null
+++ b/node_modules/bluebird/js/release/some.js
@@ -0,0 +1,148 @@
+"use strict";
+module.exports =
+function(Promise, PromiseArray, apiRejection) {
+var util = require("./util");
+var RangeError = require("./errors").RangeError;
+var AggregateError = require("./errors").AggregateError;
+var isArray = util.isArray;
+var CANCELLATION = {};
+
+
+function SomePromiseArray(values) {
+    this.constructor$(values);
+    this._howMany = 0;
+    this._unwrap = false;
+    this._initialized = false;
+}
+util.inherits(SomePromiseArray, PromiseArray);
+
+SomePromiseArray.prototype._init = function () {
+    if (!this._initialized) {
+        return;
+    }
+    if (this._howMany === 0) {
+        this._resolve([]);
+        return;
+    }
+    this._init$(undefined, -5);
+    var isArrayResolved = isArray(this._values);
+    if (!this._isResolved() &&
+        isArrayResolved &&
+        this._howMany > this._canPossiblyFulfill()) {
+        this._reject(this._getRangeError(this.length()));
+    }
+};
+
+SomePromiseArray.prototype.init = function () {
+    this._initialized = true;
+    this._init();
+};
+
+SomePromiseArray.prototype.setUnwrap = function () {
+    this._unwrap = true;
+};
+
+SomePromiseArray.prototype.howMany = function () {
+    return this._howMany;
+};
+
+SomePromiseArray.prototype.setHowMany = function (count) {
+    this._howMany = count;
+};
+
+SomePromiseArray.prototype._promiseFulfilled = function (value) {
+    this._addFulfilled(value);
+    if (this._fulfilled() === this.howMany()) {
+        this._values.length = this.howMany();
+        if (this.howMany() === 1 && this._unwrap) {
+            this._resolve(this._values[0]);
+        } else {
+            this._resolve(this._values);
+        }
+        return true;
+    }
+    return false;
+
+};
+SomePromiseArray.prototype._promiseRejected = function (reason) {
+    this._addRejected(reason);
+    return this._checkOutcome();
+};
+
+SomePromiseArray.prototype._promiseCancelled = function () {
+    if (this._values instanceof Promise || this._values == null) {
+        return this._cancel();
+    }
+    this._addRejected(CANCELLATION);
+    return this._checkOutcome();
+};
+
+SomePromiseArray.prototype._checkOutcome = function() {
+    if (this.howMany() > this._canPossiblyFulfill()) {
+        var e = new AggregateError();
+        for (var i = this.length(); i < this._values.length; ++i) {
+            if (this._values[i] !== CANCELLATION) {
+                e.push(this._values[i]);
+            }
+        }
+        if (e.length > 0) {
+            this._reject(e);
+        } else {
+            this._cancel();
+        }
+        return true;
+    }
+    return false;
+};
+
+SomePromiseArray.prototype._fulfilled = function () {
+    return this._totalResolved;
+};
+
+SomePromiseArray.prototype._rejected = function () {
+    return this._values.length - this.length();
+};
+
+SomePromiseArray.prototype._addRejected = function (reason) {
+    this._values.push(reason);
+};
+
+SomePromiseArray.prototype._addFulfilled = function (value) {
+    this._values[this._totalResolved++] = value;
+};
+
+SomePromiseArray.prototype._canPossiblyFulfill = function () {
+    return this.length() - this._rejected();
+};
+
+SomePromiseArray.prototype._getRangeError = function (count) {
+    var message = "Input array must contain at least " +
+            this._howMany + " items but contains only " + count + " items";
+    return new RangeError(message);
+};
+
+SomePromiseArray.prototype._resolveEmptyArray = function () {
+    this._reject(this._getRangeError(0));
+};
+
+function some(promises, howMany) {
+    if ((howMany | 0) !== howMany || howMany < 0) {
+        return apiRejection("expecting a positive integer\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var ret = new SomePromiseArray(promises);
+    var promise = ret.promise();
+    ret.setHowMany(howMany);
+    ret.init();
+    return promise;
+}
+
+Promise.some = function (promises, howMany) {
+    return some(promises, howMany);
+};
+
+Promise.prototype.some = function (howMany) {
+    return some(this, howMany);
+};
+
+Promise._SomePromiseArray = SomePromiseArray;
+};
diff --git a/node_modules/bluebird/js/release/synchronous_inspection.js b/node_modules/bluebird/js/release/synchronous_inspection.js
new file mode 100644
index 00000000..9c49d2e6
--- /dev/null
+++ b/node_modules/bluebird/js/release/synchronous_inspection.js
@@ -0,0 +1,103 @@
+"use strict";
+module.exports = function(Promise) {
+function PromiseInspection(promise) {
+    if (promise !== undefined) {
+        promise = promise._target();
+        this._bitField = promise._bitField;
+        this._settledValueField = promise._isFateSealed()
+            ? promise._settledValue() : undefined;
+    }
+    else {
+        this._bitField = 0;
+        this._settledValueField = undefined;
+    }
+}
+
+PromiseInspection.prototype._settledValue = function() {
+    return this._settledValueField;
+};
+
+var value = PromiseInspection.prototype.value = function () {
+    if (!this.isFulfilled()) {
+        throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var reason = PromiseInspection.prototype.error =
+PromiseInspection.prototype.reason = function () {
+    if (!this.isRejected()) {
+        throw new TypeError("cannot get rejection reason of a non-rejected promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    return this._settledValue();
+};
+
+var isFulfilled = PromiseInspection.prototype.isFulfilled = function() {
+    return (this._bitField & 33554432) !== 0;
+};
+
+var isRejected = PromiseInspection.prototype.isRejected = function () {
+    return (this._bitField & 16777216) !== 0;
+};
+
+var isPending = PromiseInspection.prototype.isPending = function () {
+    return (this._bitField & 50397184) === 0;
+};
+
+var isResolved = PromiseInspection.prototype.isResolved = function () {
+    return (this._bitField & 50331648) !== 0;
+};
+
+PromiseInspection.prototype.isCancelled = function() {
+    return (this._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.__isCancelled = function() {
+    return (this._bitField & 65536) === 65536;
+};
+
+Promise.prototype._isCancelled = function() {
+    return this._target().__isCancelled();
+};
+
+Promise.prototype.isCancelled = function() {
+    return (this._target()._bitField & 8454144) !== 0;
+};
+
+Promise.prototype.isPending = function() {
+    return isPending.call(this._target());
+};
+
+Promise.prototype.isRejected = function() {
+    return isRejected.call(this._target());
+};
+
+Promise.prototype.isFulfilled = function() {
+    return isFulfilled.call(this._target());
+};
+
+Promise.prototype.isResolved = function() {
+    return isResolved.call(this._target());
+};
+
+Promise.prototype.value = function() {
+    return value.call(this._target());
+};
+
+Promise.prototype.reason = function() {
+    var target = this._target();
+    target._unsetRejectionIsUnhandled();
+    return reason.call(target);
+};
+
+Promise.prototype._value = function() {
+    return this._settledValue();
+};
+
+Promise.prototype._reason = function() {
+    this._unsetRejectionIsUnhandled();
+    return this._settledValue();
+};
+
+Promise.PromiseInspection = PromiseInspection;
+};
diff --git a/node_modules/bluebird/js/release/thenables.js b/node_modules/bluebird/js/release/thenables.js
new file mode 100644
index 00000000..d6ab9aa2
--- /dev/null
+++ b/node_modules/bluebird/js/release/thenables.js
@@ -0,0 +1,86 @@
+"use strict";
+module.exports = function(Promise, INTERNAL) {
+var util = require("./util");
+var errorObj = util.errorObj;
+var isObject = util.isObject;
+
+function tryConvertToPromise(obj, context) {
+    if (isObject(obj)) {
+        if (obj instanceof Promise) return obj;
+        var then = getThen(obj);
+        if (then === errorObj) {
+            if (context) context._pushContext();
+            var ret = Promise.reject(then.e);
+            if (context) context._popContext();
+            return ret;
+        } else if (typeof then === "function") {
+            if (isAnyBluebirdPromise(obj)) {
+                var ret = new Promise(INTERNAL);
+                obj._then(
+                    ret._fulfill,
+                    ret._reject,
+                    undefined,
+                    ret,
+                    null
+                );
+                return ret;
+            }
+            return doThenable(obj, then, context);
+        }
+    }
+    return obj;
+}
+
+function doGetThen(obj) {
+    return obj.then;
+}
+
+function getThen(obj) {
+    try {
+        return doGetThen(obj);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+
+var hasProp = {}.hasOwnProperty;
+function isAnyBluebirdPromise(obj) {
+    try {
+        return hasProp.call(obj, "_promise0");
+    } catch (e) {
+        return false;
+    }
+}
+
+function doThenable(x, then, context) {
+    var promise = new Promise(INTERNAL);
+    var ret = promise;
+    if (context) context._pushContext();
+    promise._captureStackTrace();
+    if (context) context._popContext();
+    var synchronous = true;
+    var result = util.tryCatch(then).call(x, resolve, reject);
+    synchronous = false;
+
+    if (promise && result === errorObj) {
+        promise._rejectCallback(result.e, true, true);
+        promise = null;
+    }
+
+    function resolve(value) {
+        if (!promise) return;
+        promise._resolveCallback(value);
+        promise = null;
+    }
+
+    function reject(reason) {
+        if (!promise) return;
+        promise._rejectCallback(reason, synchronous, true);
+        promise = null;
+    }
+    return ret;
+}
+
+return tryConvertToPromise;
+};
diff --git a/node_modules/bluebird/js/release/timers.js b/node_modules/bluebird/js/release/timers.js
new file mode 100644
index 00000000..cb8f1f42
--- /dev/null
+++ b/node_modules/bluebird/js/release/timers.js
@@ -0,0 +1,93 @@
+"use strict";
+module.exports = function(Promise, INTERNAL, debug) {
+var util = require("./util");
+var TimeoutError = Promise.TimeoutError;
+
+function HandleWrapper(handle)  {
+    this.handle = handle;
+}
+
+HandleWrapper.prototype._resultCancelled = function() {
+    clearTimeout(this.handle);
+};
+
+var afterValue = function(value) { return delay(+this).thenReturn(value); };
+var delay = Promise.delay = function (ms, value) {
+    var ret;
+    var handle;
+    if (value !== undefined) {
+        ret = Promise.resolve(value)
+                ._then(afterValue, null, null, ms, undefined);
+        if (debug.cancellation() && value instanceof Promise) {
+            ret._setOnCancel(value);
+        }
+    } else {
+        ret = new Promise(INTERNAL);
+        handle = setTimeout(function() { ret._fulfill(); }, +ms);
+        if (debug.cancellation()) {
+            ret._setOnCancel(new HandleWrapper(handle));
+        }
+        ret._captureStackTrace();
+    }
+    ret._setAsyncGuaranteed();
+    return ret;
+};
+
+Promise.prototype.delay = function (ms) {
+    return delay(ms, this);
+};
+
+var afterTimeout = function (promise, message, parent) {
+    var err;
+    if (typeof message !== "string") {
+        if (message instanceof Error) {
+            err = message;
+        } else {
+            err = new TimeoutError("operation timed out");
+        }
+    } else {
+        err = new TimeoutError(message);
+    }
+    util.markAsOriginatingFromRejection(err);
+    promise._attachExtraTrace(err);
+    promise._reject(err);
+
+    if (parent != null) {
+        parent.cancel();
+    }
+};
+
+function successClear(value) {
+    clearTimeout(this.handle);
+    return value;
+}
+
+function failureClear(reason) {
+    clearTimeout(this.handle);
+    throw reason;
+}
+
+Promise.prototype.timeout = function (ms, message) {
+    ms = +ms;
+    var ret, parent;
+
+    var handleWrapper = new HandleWrapper(setTimeout(function timeoutTimeout() {
+        if (ret.isPending()) {
+            afterTimeout(ret, message, parent);
+        }
+    }, ms));
+
+    if (debug.cancellation()) {
+        parent = this.then();
+        ret = parent._then(successClear, failureClear,
+                            undefined, handleWrapper, undefined);
+        ret._setOnCancel(handleWrapper);
+    } else {
+        ret = this._then(successClear, failureClear,
+                            undefined, handleWrapper, undefined);
+    }
+
+    return ret;
+};
+
+};
diff --git a/node_modules/bluebird/js/release/using.js b/node_modules/bluebird/js/release/using.js
new file mode 100644
index 00000000..65de531c
--- /dev/null
+++ b/node_modules/bluebird/js/release/using.js
@@ -0,0 +1,226 @@
+"use strict";
+module.exports = function (Promise, apiRejection, tryConvertToPromise,
+    createContext, INTERNAL, debug) {
+    var util = require("./util");
+    var TypeError = require("./errors").TypeError;
+    var inherits = require("./util").inherits;
+    var errorObj = util.errorObj;
+    var tryCatch = util.tryCatch;
+    var NULL = {};
+
+    function thrower(e) {
+        setTimeout(function(){throw e;}, 0);
+    }
+
+    function castPreservingDisposable(thenable) {
+        var maybePromise = tryConvertToPromise(thenable);
+        if (maybePromise !== thenable &&
+            typeof thenable._isDisposable === "function" &&
+            typeof thenable._getDisposer === "function" &&
+            thenable._isDisposable()) {
+            maybePromise._setDisposable(thenable._getDisposer());
+        }
+        return maybePromise;
+    }
+    function dispose(resources, inspection) {
+        var i = 0;
+        var len = resources.length;
+        var ret = new Promise(INTERNAL);
+        function iterator() {
+            if (i >= len) return ret._fulfill();
+            var maybePromise = castPreservingDisposable(resources[i++]);
+            if (maybePromise instanceof Promise &&
+                maybePromise._isDisposable()) {
+                try {
+                    maybePromise = tryConvertToPromise(
+                        maybePromise._getDisposer().tryDispose(inspection),
+                        resources.promise);
+                } catch (e) {
+                    return thrower(e);
+                }
+                if (maybePromise instanceof Promise) {
+                    return maybePromise._then(iterator, thrower,
+                                              null, null, null);
+                }
+            }
+            iterator();
+        }
+        iterator();
+        return ret;
+    }
+
+    function Disposer(data, promise, context) {
+        this._data = data;
+        this._promise = promise;
+        this._context = context;
+    }
+
+    Disposer.prototype.data = function () {
+        return this._data;
+    };
+
+    Disposer.prototype.promise = function () {
+        return this._promise;
+    };
+
+    Disposer.prototype.resource = function () {
+        if (this.promise().isFulfilled()) {
+            return this.promise().value();
+        }
+        return NULL;
+    };
+
+    Disposer.prototype.tryDispose = function(inspection) {
+        var resource = this.resource();
+        var context = this._context;
+        if (context !== undefined) context._pushContext();
+        var ret = resource !== NULL
+            ? this.doDispose(resource, inspection) : null;
+        if (context !== undefined) context._popContext();
+        this._promise._unsetDisposable();
+        this._data = null;
+        return ret;
+    };
+
+    Disposer.isDisposer = function (d) {
+        return (d != null &&
+                typeof d.resource === "function" &&
+                typeof d.tryDispose === "function");
+    };
+
+    function FunctionDisposer(fn, promise, context) {
+        this.constructor$(fn, promise, context);
+    }
+    inherits(FunctionDisposer, Disposer);
+
+    FunctionDisposer.prototype.doDispose = function (resource, inspection) {
+        var fn = this.data();
+        return fn.call(resource, resource, inspection);
+    };
+
+    function maybeUnwrapDisposer(value) {
+        if (Disposer.isDisposer(value)) {
+            this.resources[this.index]._setDisposable(value);
+            return value.promise();
+        }
+        return value;
+    }
+
+    function ResourceList(length) {
+        this.length = length;
+        this.promise = null;
+        this[length-1] = null;
+    }
+
+    ResourceList.prototype._resultCancelled = function() {
+        var len = this.length;
+        for (var i = 0; i < len; ++i) {
+            var item = this[i];
+            if (item instanceof Promise) {
+                item.cancel();
+            }
+        }
+    };
+
+    Promise.using = function () {
+        var len = arguments.length;
+        if (len < 2) return apiRejection(
+                        "you must pass at least 2 arguments to Promise.using");
+        var fn = arguments[len - 1];
+        if (typeof fn !== "function") {
+            return apiRejection("expecting a function but got " + util.classString(fn));
+        }
+        var input;
+        var spreadArgs = true;
+        if (len === 2 && Array.isArray(arguments[0])) {
+            input = arguments[0];
+            len = input.length;
+            spreadArgs = false;
+        } else {
+            input = arguments;
+            len--;
+        }
+        var resources = new ResourceList(len);
+        for (var i = 0; i < len; ++i) {
+            var resource = input[i];
+            if (Disposer.isDisposer(resource)) {
+                var disposer = resource;
+                resource = resource.promise();
+                resource._setDisposable(disposer);
+            } else {
+                var maybePromise = tryConvertToPromise(resource);
+                if (maybePromise instanceof Promise) {
+                    resource =
+                        maybePromise._then(maybeUnwrapDisposer, null, null, {
+                            resources: resources,
+                            index: i
+                    }, undefined);
+                }
+            }
+            resources[i] = resource;
+        }
+
+        var reflectedResources = new Array(resources.length);
+        for (var i = 0; i < reflectedResources.length; ++i) {
+            reflectedResources[i] = Promise.resolve(resources[i]).reflect();
+        }
+
+        var resultPromise = Promise.all(reflectedResources)
+            .then(function(inspections) {
+                for (var i = 0; i < inspections.length; ++i) {
+                    var inspection = inspections[i];
+                    if (inspection.isRejected()) {
+                        errorObj.e = inspection.error();
+                        return errorObj;
+                    } else if (!inspection.isFulfilled()) {
+                        resultPromise.cancel();
+                        return;
+                    }
+                    inspections[i] = inspection.value();
+                }
+                promise._pushContext();
+
+                fn = tryCatch(fn);
+                var ret = spreadArgs
+                    ? fn.apply(undefined, inspections) : fn(inspections);
+                var promiseCreated = promise._popContext();
+                debug.checkForgottenReturns(
+                    ret, promiseCreated, "Promise.using", promise);
+                return ret;
+            });
+
+        var promise = resultPromise.lastly(function() {
+            var inspection = new Promise.PromiseInspection(resultPromise);
+            return dispose(resources, inspection);
+        });
+        resources.promise = promise;
+        promise._setOnCancel(resources);
+        return promise;
+    };
+
+    Promise.prototype._setDisposable = function (disposer) {
+        this._bitField = this._bitField | 131072;
+        this._disposer = disposer;
+    };
+
+    Promise.prototype._isDisposable = function () {
+        return (this._bitField & 131072) > 0;
+    };
+
+    Promise.prototype._getDisposer = function () {
+        return this._disposer;
+    };
+
+    Promise.prototype._unsetDisposable = function () {
+        this._bitField = this._bitField & (~131072);
+        this._disposer = undefined;
+    };
+
+    Promise.prototype.disposer = function (fn) {
+        if (typeof fn === "function") {
+            return new FunctionDisposer(fn, this, createContext());
+        }
+        throw new TypeError();
+    };
+
+};
diff --git a/node_modules/bluebird/js/release/util.js b/node_modules/bluebird/js/release/util.js
new file mode 100644
index 00000000..8ca4d91b
--- /dev/null
+++ b/node_modules/bluebird/js/release/util.js
@@ -0,0 +1,421 @@
+"use strict";
+var es5 = require("./es5");
+var canEvaluate = typeof navigator == "undefined";
+
+var errorObj = {e: {}};
+var tryCatchTarget;
+var globalObject = typeof self !== "undefined" ? self :
+    typeof window !== "undefined" ? window :
+    typeof global !== "undefined" ? global :
+    this !== undefined ? this : null;
+
+function tryCatcher() {
+    try {
+        var target = tryCatchTarget;
+        tryCatchTarget = null;
+        return target.apply(this, arguments);
+    } catch (e) {
+        errorObj.e = e;
+        return errorObj;
+    }
+}
+function tryCatch(fn) {
+    tryCatchTarget = fn;
+    return tryCatcher;
+}
+
+var inherits = function(Child, Parent) {
+    var hasProp = {}.hasOwnProperty;
+
+    function T() {
+        this.constructor = Child;
+        this.constructor$ = Parent;
+        for (var propertyName in Parent.prototype) {
+            if (hasProp.call(Parent.prototype, propertyName) &&
+                propertyName.charAt(propertyName.length-1) !== "$"
+           ) {
+                this[propertyName + "$"] = Parent.prototype[propertyName];
+            }
+        }
+    }
+    T.prototype = Parent.prototype;
+    Child.prototype = new T();
+    return Child.prototype;
+};
+
+
+function isPrimitive(val) {
+    return val == null || val === true || val === false ||
+        typeof val === "string" || typeof val === "number";
+
+}
+
+function isObject(value) {
+    return typeof value === "function" ||
+           typeof value === "object" && value !== null;
+}
+
+function maybeWrapAsError(maybeError) {
+    if (!isPrimitive(maybeError)) return maybeError;
+
+    return new Error(safeToString(maybeError));
+}
+
+function withAppended(target, appendee) {
+    var len = target.length;
+    var ret = new Array(len + 1);
+    var i;
+    for (i = 0; i < len; ++i) {
+        ret[i] = target[i];
+    }
+    ret[i] = appendee;
+    return ret;
+}
+
+function getDataPropertyOrDefault(obj, key, defaultValue) {
+    if (es5.isES5) {
+        var desc = Object.getOwnPropertyDescriptor(obj, key);
+
+        if (desc != null) {
+            return desc.get == null && desc.set == null
+                    ? desc.value
+                    : defaultValue;
+        }
+    } else {
+        return {}.hasOwnProperty.call(obj, key) ? obj[key] : undefined;
+    }
+}
+
+function notEnumerableProp(obj, name, value) {
+    if (isPrimitive(obj)) return obj;
+    var descriptor = {
+        value: value,
+        configurable: true,
+        enumerable: false,
+        writable: true
+    };
+    es5.defineProperty(obj, name, descriptor);
+    return obj;
+}
+
+function thrower(r) {
+    throw r;
+}
+
+var inheritedDataKeys = (function() {
+    var excludedPrototypes = [
+        Array.prototype,
+        Object.prototype,
+        Function.prototype
+    ];
+
+    var isExcludedProto = function(val) {
+        for (var i = 0; i < excludedPrototypes.length; ++i) {
+            if (excludedPrototypes[i] === val) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+    if (es5.isES5) {
+        var getKeys = Object.getOwnPropertyNames;
+        return function(obj) {
+            var ret = [];
+            var visitedKeys = Object.create(null);
+            while (obj != null && !isExcludedProto(obj)) {
+                var keys;
+                try {
+                    keys = getKeys(obj);
+                } catch (e) {
+                    return ret;
+                }
+                for (var i = 0; i < keys.length; ++i) {
+                    var key = keys[i];
+                    if (visitedKeys[key]) continue;
+                    visitedKeys[key] = true;
+                    var desc = Object.getOwnPropertyDescriptor(obj, key);
+                    if (desc != null && desc.get == null && desc.set == null) {
+                        ret.push(key);
+                    }
+                }
+                obj = es5.getPrototypeOf(obj);
+            }
+            return ret;
+        };
+    } else {
+        var hasProp = {}.hasOwnProperty;
+        return function(obj) {
+            if (isExcludedProto(obj)) return [];
+            var ret = [];
+
+            /*jshint forin:false */
+            enumeration: for (var key in obj) {
+                if (hasProp.call(obj, key)) {
+                    ret.push(key);
+                } else {
+                    for (var i = 0; i < excludedPrototypes.length; ++i) {
+                        if (hasProp.call(excludedPrototypes[i], key)) {
+                            continue enumeration;
+                        }
+                    }
+                    ret.push(key);
+                }
+            }
+            return ret;
+        };
+    }
+
+})();
+
+var thisAssignmentPattern = /this\s*\.\s*\S+\s*=/;
+function isClass(fn) {
+    try {
+        if (typeof fn === "function") {
+            var keys = es5.names(fn.prototype);
+
+            var hasMethods = es5.isES5 && keys.length > 1;
+            var hasMethodsOtherThanConstructor = keys.length > 0 &&
+                !(keys.length === 1 && keys[0] === "constructor");
+            var hasThisAssignmentAndStaticMethods =
+                thisAssignmentPattern.test(fn + "") && es5.names(fn).length > 0;
+
+            if (hasMethods || hasMethodsOtherThanConstructor ||
+                hasThisAssignmentAndStaticMethods) {
+                return true;
+            }
+        }
+        return false;
+    } catch (e) {
+        return false;
+    }
+}
+
+function toFastProperties(obj) {
+    /*jshint -W027,-W055,-W031*/
+    function FakeConstructor() {}
+    FakeConstructor.prototype = obj;
+    var receiver = new FakeConstructor();
+    function ic() {
+        return typeof receiver.foo;
+    }
+    ic();
+    ic();
+    return obj;
+    eval(obj);
+}
+
+var rident = /^[a-z$_][a-z$_0-9]*$/i;
+function isIdentifier(str) {
+    return rident.test(str);
+}
+
+function filledRange(count, prefix, suffix) {
+    var ret = new Array(count);
+    for(var i = 0; i < count; ++i) {
+        ret[i] = prefix + i + suffix;
+    }
+    return ret;
+}
+
+function safeToString(obj) {
+    try {
+        return obj + "";
+    } catch (e) {
+        return "[no string representation]";
+    }
+}
+
+function isError(obj) {
+    return obj instanceof Error ||
+        (obj !== null &&
+           typeof obj === "object" &&
+           typeof obj.message === "string" &&
+           typeof obj.name === "string");
+}
+
+function markAsOriginatingFromRejection(e) {
+    try {
+        notEnumerableProp(e, "isOperational", true);
+    }
+    catch(ignore) {}
+}
+
+function originatesFromRejection(e) {
+    if (e == null) return false;
+    return ((e instanceof Error["__BluebirdErrorTypes__"].OperationalError) ||
+        e["isOperational"] === true);
+}
+
+function canAttachTrace(obj) {
+    return isError(obj) && es5.propertyIsWritable(obj, "stack");
+}
+
+var ensureErrorObject = (function() {
+    if (!("stack" in new Error())) {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            try {throw new Error(safeToString(value));}
+            catch(err) {return err;}
+        };
+    } else {
+        return function(value) {
+            if (canAttachTrace(value)) return value;
+            return new Error(safeToString(value));
+        };
+    }
+})();
+
+function classString(obj) {
+    return {}.toString.call(obj);
+}
+
+function copyDescriptors(from, to, filter) {
+    var keys = es5.names(from);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        if (filter(key)) {
+            try {
+                es5.defineProperty(to, key, es5.getDescriptor(from, key));
+            } catch (ignore) {}
+        }
+    }
+}
+
+var asArray = function(v) {
+    if (es5.isArray(v)) {
+        return v;
+    }
+    return null;
+};
+
+if (typeof Symbol !== "undefined" && Symbol.iterator) {
+    var ArrayFrom = typeof Array.from === "function" ? function(v) {
+        return Array.from(v);
+    } : function(v) {
+        var ret = [];
+        var it = v[Symbol.iterator]();
+        var itResult;
+        while (!((itResult = it.next()).done)) {
+            ret.push(itResult.value);
+        }
+        return ret;
+    };
+
+    asArray = function(v) {
+        if (es5.isArray(v)) {
+            return v;
+        } else if (v != null && typeof v[Symbol.iterator] === "function") {
+            return ArrayFrom(v);
+        }
+        return null;
+    };
+}
+
+var isNode = typeof process !== "undefined" &&
+        classString(process).toLowerCase() === "[object process]";
+
+var hasEnvVariables = typeof process !== "undefined" &&
+    typeof process.env !== "undefined";
+
+function env(key) {
+    return hasEnvVariables ? process.env[key] : undefined;
+}
+
+function getNativePromise() {
+    if (typeof Promise === "function") {
+        try {
+            var promise = new Promise(function(){});
+            if (classString(promise) === "[object Promise]") {
+                return Promise;
+            }
+        } catch (e) {}
+    }
+}
+
+var reflectHandler;
+function contextBind(ctx, cb) {
+    if (ctx === null ||
+        typeof cb !== "function" ||
+        cb === reflectHandler) {
+        return cb;
+    }
+
+    if (ctx.domain !== null) {
+        cb = ctx.domain.bind(cb);
+    }
+
+    var async = ctx.async;
+    if (async !== null) {
+        var old = cb;
+        cb = function() {
+            var $_len = arguments.length + 2;var args = new Array($_len); for(var $_i = 2; $_i < $_len ; ++$_i) {args[$_i] = arguments[$_i  - 2];};
+            args[0] = old;
+            args[1] = this;
+            return async.runInAsyncScope.apply(async, args);
+        };
+    }
+    return cb;
+}
+
+var ret = {
+    setReflectHandler: function(fn) {
+        reflectHandler = fn;
+    },
+    isClass: isClass,
+    isIdentifier: isIdentifier,
+    inheritedDataKeys: inheritedDataKeys,
+    getDataPropertyOrDefault: getDataPropertyOrDefault,
+    thrower: thrower,
+    isArray: es5.isArray,
+    asArray: asArray,
+    notEnumerableProp: notEnumerableProp,
+    isPrimitive: isPrimitive,
+    isObject: isObject,
+    isError: isError,
+    canEvaluate: canEvaluate,
+    errorObj: errorObj,
+    tryCatch: tryCatch,
+    inherits: inherits,
+    withAppended: withAppended,
+    maybeWrapAsError: maybeWrapAsError,
+    toFastProperties: toFastProperties,
+    filledRange: filledRange,
+    toString: safeToString,
+    canAttachTrace: canAttachTrace,
+    ensureErrorObject: ensureErrorObject,
+    originatesFromRejection: originatesFromRejection,
+    markAsOriginatingFromRejection: markAsOriginatingFromRejection,
+    classString: classString,
+    copyDescriptors: copyDescriptors,
+    isNode: isNode,
+    hasEnvVariables: hasEnvVariables,
+    env: env,
+    global: globalObject,
+    getNativePromise: getNativePromise,
+    contextBind: contextBind
+};
+ret.isRecentNode = ret.isNode && (function() {
+    var version;
+    if (process.versions && process.versions.node) {
+        version = process.versions.node.split(".").map(Number);
+    } else if (process.version) {
+        version = process.version.split(".").map(Number);
+    }
+    return (version[0] === 0 && version[1] > 10) || (version[0] > 0);
+})();
+ret.nodeSupportsAsyncResource = ret.isNode && (function() {
+    var supportsAsync = false;
+    try {
+        var res = require("async_hooks").AsyncResource;
+        supportsAsync = typeof res.prototype.runInAsyncScope === "function";
+    } catch (e) {
+        supportsAsync = false;
+    }
+    return supportsAsync;
+})();
+
+if (ret.isNode) ret.toFastProperties(process);
+
+try {throw new Error(); } catch (e) {ret.lastLineError = e;}
+module.exports = ret;
diff --git a/node_modules/bluebird/package.json b/node_modules/bluebird/package.json
new file mode 100644
index 00000000..33f696cb
--- /dev/null
+++ b/node_modules/bluebird/package.json
@@ -0,0 +1,78 @@
+{
+  "name": "bluebird",
+  "description": "Full featured Promises/A+ implementation with exceptionally good performance",
+  "version": "3.7.2",
+  "keywords": [
+    "promise",
+    "performance",
+    "promises",
+    "promises-a",
+    "promises-aplus",
+    "async",
+    "await",
+    "deferred",
+    "deferreds",
+    "future",
+    "flow control",
+    "dsl",
+    "fluent interface"
+  ],
+  "scripts": {
+    "lint": "node scripts/jshint.js",
+    "test": "node --expose-gc tools/test.js",
+    "istanbul": "istanbul",
+    "prepublish": "npm run generate-browser-core && npm run generate-browser-full",
+    "generate-browser-full": "node tools/build.js --no-clean --no-debug --release --browser --minify",
+    "generate-browser-core": "node tools/build.js --features=core --no-debug --release --zalgo --browser --minify && mv js/browser/bluebird.js js/browser/bluebird.core.js && mv js/browser/bluebird.min.js js/browser/bluebird.core.min.js"
+  },
+  "homepage": "https://github.com/petkaantonov/bluebird",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/petkaantonov/bluebird.git"
+  },
+  "bugs": {
+    "url": "http://github.com/petkaantonov/bluebird/issues"
+  },
+  "license": "MIT",
+  "author": {
+    "name": "Petka Antonov",
+    "email": "petka_antonov@hotmail.com",
+    "url": "http://github.com/petkaantonov/"
+  },
+  "devDependencies": {
+    "acorn": "^6.0.2",
+    "acorn-walk": "^6.1.0",
+    "baconjs": "^0.7.43",
+    "bluebird": "^2.9.2",
+    "body-parser": "^1.10.2",
+    "browserify": "^8.1.1",
+    "cli-table": "~0.3.1",
+    "co": "^4.2.0",
+    "cross-spawn": "^0.2.3",
+    "glob": "^4.3.2",
+    "grunt-saucelabs": "~8.4.1",
+    "highland": "^2.3.0",
+    "istanbul": "^0.3.5",
+    "jshint": "^2.6.0",
+    "jshint-stylish": "~0.2.0",
+    "kefir": "^2.4.1",
+    "mkdirp": "~0.5.0",
+    "mocha": "~2.1",
+    "open": "~0.0.5",
+    "optimist": "~0.6.1",
+    "rimraf": "~2.2.6",
+    "rx": "^2.3.25",
+    "serve-static": "^1.7.1",
+    "sinon": "~1.7.3",
+    "uglify-js": "~2.4.16"
+  },
+  "readmeFilename": "README.md",
+  "main": "./js/release/bluebird.js",
+  "webpack": "./js/release/bluebird.js",
+  "browser": "./js/browser/bluebird.js",
+  "files": [
+    "js/browser",
+    "js/release",
+    "LICENSE"
+  ]
+}
diff --git a/node_modules/bn.js/LICENSE b/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/bn.js/README.md b/node_modules/bn.js/README.md
new file mode 100644
index 00000000..cc4226f8
--- /dev/null
+++ b/node_modules/bn.js/README.md
@@ -0,0 +1,214 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Sponsors
+
+[![Scout APM](./sponsors/scout-apm.png)](https://scoutapm.com/)
+My Open Source work is supported by [Scout APM](https://scoutapm.com/) and
+[other sponsors](https://github.com/sponsors/indutny).
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way they work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+* `n` - the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+* `rn` - both argument and return value of the function are plain JavaScript
+  Numbers. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the end of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+* `BN.max(a, b)` - return `a` if `a` bigger than `b`
+* `BN.min(a, b)` - return `a` if `a` less than `b`
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divmod(b)` - quotient and modulus obtained by dividing
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b, value)` - set specified bit to `value`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this trick one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+### Number Size
+
+Optimized for elliptic curves that work with 256-bit numbers.
+There is no limitation on the size of the numbers.
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/bn.js/lib/bn.js b/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..adecc949
--- /dev/null
+++ b/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3547 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [number & 0x3ffffff];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [0];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this._strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // '0' - '9'
+    if (c >= 48 && c <= 57) {
+      return c - 48;
+    // 'A' - 'F'
+    } else if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    } else {
+      assert(false, 'Invalid character in ' + string);
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this._strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var b = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        b = c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        b = c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        b = c;
+      }
+      assert(c >= 0 && b < mul, 'Invalid character');
+      r += b;
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [0];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this._strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  function move (dest, src) {
+    dest.words = src.words;
+    dest.length = src.length;
+    dest.negative = src.negative;
+    dest.red = src.red;
+  }
+
+  BN.prototype._move = function _move (dest) {
+    move(dest, this);
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype._strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  // Check Symbol.for because not everywhere where Symbol defined
+  // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Browser_compatibility
+  if (typeof Symbol !== 'undefined' && typeof Symbol.for === 'function') {
+    try {
+      BN.prototype[Symbol.for('nodejs.util.inspect.custom')] = inspect;
+    } catch (e) {
+      BN.prototype.inspect = inspect;
+    }
+  } else {
+    BN.prototype.inspect = inspect;
+  }
+
+  function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  }
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modrn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16, 2);
+  };
+
+  if (Buffer) {
+    BN.prototype.toBuffer = function toBuffer (endian, length) {
+      return this.toArrayLike(Buffer, endian, length);
+    };
+  }
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  var allocate = function allocate (ArrayType, size) {
+    if (ArrayType.allocUnsafe) {
+      return ArrayType.allocUnsafe(size);
+    }
+    return new ArrayType(size);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    this._strip();
+
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    var res = allocate(ArrayType, reqLength);
+    var postfix = endian === 'le' ? 'LE' : 'BE';
+    this['_toArrayLike' + postfix](res, byteLength);
+    return res;
+  };
+
+  BN.prototype._toArrayLikeLE = function _toArrayLikeLE (res, byteLength) {
+    var position = 0;
+    var carry = 0;
+
+    for (var i = 0, shift = 0; i < this.length; i++) {
+      var word = (this.words[i] << shift) | carry;
+
+      res[position++] = word & 0xff;
+      if (position < res.length) {
+        res[position++] = (word >> 8) & 0xff;
+      }
+      if (position < res.length) {
+        res[position++] = (word >> 16) & 0xff;
+      }
+
+      if (shift === 6) {
+        if (position < res.length) {
+          res[position++] = (word >> 24) & 0xff;
+        }
+        carry = 0;
+        shift = 0;
+      } else {
+        carry = word >>> 24;
+        shift += 2;
+      }
+    }
+
+    if (position < res.length) {
+      res[position++] = carry;
+
+      while (position < res.length) {
+        res[position++] = 0;
+      }
+    }
+  };
+
+  BN.prototype._toArrayLikeBE = function _toArrayLikeBE (res, byteLength) {
+    var position = res.length - 1;
+    var carry = 0;
+
+    for (var i = 0, shift = 0; i < this.length; i++) {
+      var word = (this.words[i] << shift) | carry;
+
+      res[position--] = word & 0xff;
+      if (position >= 0) {
+        res[position--] = (word >> 8) & 0xff;
+      }
+      if (position >= 0) {
+        res[position--] = (word >> 16) & 0xff;
+      }
+
+      if (shift === 6) {
+        if (position >= 0) {
+          res[position--] = (word >> 24) & 0xff;
+        }
+        carry = 0;
+        shift = 0;
+      } else {
+        carry = word >>> 24;
+        shift += 2;
+      }
+    }
+
+    if (position >= 0) {
+      res[position--] = carry;
+
+      while (position >= 0) {
+        res[position--] = 0;
+      }
+    }
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] >>> wbit) & 0x01;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this._strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this._strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this._strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this._strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this._strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this._strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out._strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out._strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    // Temporary disable, see https://github.com/indutny/bn.js/issues/211
+    // var fftm = new FFTM();
+    // return fftm.mulp(self, num, out);
+    return bigMulTo(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out._strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    var isNegNum = num < 0;
+    if (isNegNum) num = -num;
+
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return isNegNum ? this.ineg() : this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this._strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this._strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this._strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) <= num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this._strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this._strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this._strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q._strip();
+    }
+    a._strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modrn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modrn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || (r2 === 1 && cmp === 0)) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modrn = function modrn (num) {
+    var isNegNum = num < 0;
+    if (isNegNum) num = -num;
+
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return isNegNum ? -acc : acc;
+  };
+
+  // WARNING: DEPRECATED
+  BN.prototype.modn = function modn (num) {
+    return this.modrn(num);
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    var isNegNum = num < 0;
+    if (isNegNum) num = -num;
+
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    this._strip();
+    return isNegNum ? this.ineg() : this;
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this._strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is a BN v4 instance
+        r.strip();
+      } else {
+        // r is a BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+
+    move(a, a.umod(this.m)._forceRed(this));
+    return a;
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/bn.js/package.json b/node_modules/bn.js/package.json
new file mode 100644
index 00000000..fd038f2a
--- /dev/null
+++ b/node_modules/bn.js/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "bn.js",
+  "version": "5.2.1",
+  "description": "Big number implementation in pure javascript",
+  "keywords": [
+    "BN",
+    "Big number",
+    "BigNum",
+    "Modulo",
+    "Montgomery"
+  ],
+  "homepage": "https://github.com/indutny/bn.js",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "license": "MIT",
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "files": [
+    "lib/bn.js"
+  ],
+  "main": "lib/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "scripts": {
+    "lint": "standardx",
+    "test": "npm run lint && npm run unit",
+    "unit": "mocha --reporter=spec test/*-test.js"
+  },
+  "devDependencies": {
+    "eslint-plugin-es5": "^1.5.0",
+    "mocha": "^8.3.0",
+    "standardx": "^7.0.0"
+  }
+}
diff --git a/node_modules/brace-expansion/LICENSE b/node_modules/brace-expansion/LICENSE
new file mode 100644
index 00000000..de322667
--- /dev/null
+++ b/node_modules/brace-expansion/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/brace-expansion/README.md b/node_modules/brace-expansion/README.md
new file mode 100644
index 00000000..6b4e0e16
--- /dev/null
+++ b/node_modules/brace-expansion/README.md
@@ -0,0 +1,129 @@
+# brace-expansion
+
+[Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html), 
+as known from sh/bash, in JavaScript.
+
+[![build status](https://secure.travis-ci.org/juliangruber/brace-expansion.svg)](http://travis-ci.org/juliangruber/brace-expansion)
+[![downloads](https://img.shields.io/npm/dm/brace-expansion.svg)](https://www.npmjs.org/package/brace-expansion)
+[![Greenkeeper badge](https://badges.greenkeeper.io/juliangruber/brace-expansion.svg)](https://greenkeeper.io/)
+
+[![testling badge](https://ci.testling.com/juliangruber/brace-expansion.png)](https://ci.testling.com/juliangruber/brace-expansion)
+
+## Example
+
+```js
+var expand = require('brace-expansion');
+
+expand('file-{a,b,c}.jpg')
+// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
+
+expand('-v{,,}')
+// => ['-v', '-v', '-v']
+
+expand('file{0..2}.jpg')
+// => ['file0.jpg', 'file1.jpg', 'file2.jpg']
+
+expand('file-{a..c}.jpg')
+// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
+
+expand('file{2..0}.jpg')
+// => ['file2.jpg', 'file1.jpg', 'file0.jpg']
+
+expand('file{0..4..2}.jpg')
+// => ['file0.jpg', 'file2.jpg', 'file4.jpg']
+
+expand('file-{a..e..2}.jpg')
+// => ['file-a.jpg', 'file-c.jpg', 'file-e.jpg']
+
+expand('file{00..10..5}.jpg')
+// => ['file00.jpg', 'file05.jpg', 'file10.jpg']
+
+expand('{{A..C},{a..c}}')
+// => ['A', 'B', 'C', 'a', 'b', 'c']
+
+expand('ppp{,config,oe{,conf}}')
+// => ['ppp', 'pppconfig', 'pppoe', 'pppoeconf']
+```
+
+## API
+
+```js
+var expand = require('brace-expansion');
+```
+
+### var expanded = expand(str)
+
+Return an array of all possible and valid expansions of `str`. If none are
+found, `[str]` is returned.
+
+Valid expansions are:
+
+```js
+/^(.*,)+(.+)?$/
+// {a,b,...}
+```
+
+A comma separated list of options, like `{a,b}` or `{a,{b,c}}` or `{,a,}`.
+
+```js
+/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
+// {x..y[..incr]}
+```
+
+A numeric sequence from `x` to `y` inclusive, with optional increment.
+If `x` or `y` start with a leading `0`, all the numbers will be padded
+to have equal length. Negative numbers and backwards iteration work too.
+
+```js
+/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
+// {x..y[..incr]}
+```
+
+An alphabetic sequence from `x` to `y` inclusive, with optional increment.
+`x` and `y` must be exactly one character, and if given, `incr` must be a
+number.
+
+For compatibility reasons, the string `${` is not eligible for brace expansion.
+
+## Installation
+
+With [npm](https://npmjs.org) do:
+
+```bash
+npm install brace-expansion
+```
+
+## Contributors
+
+- [Julian Gruber](https://github.com/juliangruber)
+- [Isaac Z. Schlueter](https://github.com/isaacs)
+
+## Sponsors
+
+This module is proudly supported by my [Sponsors](https://github.com/juliangruber/sponsors)!
+
+Do you want to support modules like this to improve their quality, stability and weigh in on new features? Then please consider donating to my [Patreon](https://www.patreon.com/juliangruber). Not sure how much of my modules you're using? Try [feross/thanks](https://github.com/feross/thanks)!
+
+## License
+
+(MIT)
+
+Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/brace-expansion/index.js b/node_modules/brace-expansion/index.js
new file mode 100644
index 00000000..0478be81
--- /dev/null
+++ b/node_modules/brace-expansion/index.js
@@ -0,0 +1,201 @@
+var concatMap = require('concat-map');
+var balanced = require('balanced-match');
+
+module.exports = expandTop;
+
+var escSlash = '\0SLASH'+Math.random()+'\0';
+var escOpen = '\0OPEN'+Math.random()+'\0';
+var escClose = '\0CLOSE'+Math.random()+'\0';
+var escComma = '\0COMMA'+Math.random()+'\0';
+var escPeriod = '\0PERIOD'+Math.random()+'\0';
+
+function numeric(str) {
+  return parseInt(str, 10) == str
+    ? parseInt(str, 10)
+    : str.charCodeAt(0);
+}
+
+function escapeBraces(str) {
+  return str.split('\\\\').join(escSlash)
+            .split('\\{').join(escOpen)
+            .split('\\}').join(escClose)
+            .split('\\,').join(escComma)
+            .split('\\.').join(escPeriod);
+}
+
+function unescapeBraces(str) {
+  return str.split(escSlash).join('\\')
+            .split(escOpen).join('{')
+            .split(escClose).join('}')
+            .split(escComma).join(',')
+            .split(escPeriod).join('.');
+}
+
+
+// Basically just str.split(","), but handling cases
+// where we have nested braced sections, which should be
+// treated as individual members, like {a,{b,c},d}
+function parseCommaParts(str) {
+  if (!str)
+    return [''];
+
+  var parts = [];
+  var m = balanced('{', '}', str);
+
+  if (!m)
+    return str.split(',');
+
+  var pre = m.pre;
+  var body = m.body;
+  var post = m.post;
+  var p = pre.split(',');
+
+  p[p.length-1] += '{' + body + '}';
+  var postParts = parseCommaParts(post);
+  if (post.length) {
+    p[p.length-1] += postParts.shift();
+    p.push.apply(p, postParts);
+  }
+
+  parts.push.apply(parts, p);
+
+  return parts;
+}
+
+function expandTop(str) {
+  if (!str)
+    return [];
+
+  // I don't know why Bash 4.3 does this, but it does.
+  // Anything starting with {} will have the first two bytes preserved
+  // but *only* at the top level, so {},a}b will not expand to anything,
+  // but a{},b}c will be expanded to [a}c,abc].
+  // One could argue that this is a bug in Bash, but since the goal of
+  // this module is to match Bash's rules, we escape a leading {}
+  if (str.substr(0, 2) === '{}') {
+    str = '\\{\\}' + str.substr(2);
+  }
+
+  return expand(escapeBraces(str), true).map(unescapeBraces);
+}
+
+function identity(e) {
+  return e;
+}
+
+function embrace(str) {
+  return '{' + str + '}';
+}
+function isPadded(el) {
+  return /^-?0\d/.test(el);
+}
+
+function lte(i, y) {
+  return i <= y;
+}
+function gte(i, y) {
+  return i >= y;
+}
+
+function expand(str, isTop) {
+  var expansions = [];
+
+  var m = balanced('{', '}', str);
+  if (!m || /\$$/.test(m.pre)) return [str];
+
+  var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
+  var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
+  var isSequence = isNumericSequence || isAlphaSequence;
+  var isOptions = m.body.indexOf(',') >= 0;
+  if (!isSequence && !isOptions) {
+    // {a},b}
+    if (m.post.match(/,.*\}/)) {
+      str = m.pre + '{' + m.body + escClose + m.post;
+      return expand(str);
+    }
+    return [str];
+  }
+
+  var n;
+  if (isSequence) {
+    n = m.body.split(/\.\./);
+  } else {
+    n = parseCommaParts(m.body);
+    if (n.length === 1) {
+      // x{{a,b}}y ==> x{a}y x{b}y
+      n = expand(n[0], false).map(embrace);
+      if (n.length === 1) {
+        var post = m.post.length
+          ? expand(m.post, false)
+          : [''];
+        return post.map(function(p) {
+          return m.pre + n[0] + p;
+        });
+      }
+    }
+  }
+
+  // at this point, n is the parts, and we know it's not a comma set
+  // with a single entry.
+
+  // no need to expand pre, since it is guaranteed to be free of brace-sets
+  var pre = m.pre;
+  var post = m.post.length
+    ? expand(m.post, false)
+    : [''];
+
+  var N;
+
+  if (isSequence) {
+    var x = numeric(n[0]);
+    var y = numeric(n[1]);
+    var width = Math.max(n[0].length, n[1].length)
+    var incr = n.length == 3
+      ? Math.abs(numeric(n[2]))
+      : 1;
+    var test = lte;
+    var reverse = y < x;
+    if (reverse) {
+      incr *= -1;
+      test = gte;
+    }
+    var pad = n.some(isPadded);
+
+    N = [];
+
+    for (var i = x; test(i, y); i += incr) {
+      var c;
+      if (isAlphaSequence) {
+        c = String.fromCharCode(i);
+        if (c === '\\')
+          c = '';
+      } else {
+        c = String(i);
+        if (pad) {
+          var need = width - c.length;
+          if (need > 0) {
+            var z = new Array(need + 1).join('0');
+            if (i < 0)
+              c = '-' + z + c.slice(1);
+            else
+              c = z + c;
+          }
+        }
+      }
+      N.push(c);
+    }
+  } else {
+    N = concatMap(n, function(el) { return expand(el, false) });
+  }
+
+  for (var j = 0; j < N.length; j++) {
+    for (var k = 0; k < post.length; k++) {
+      var expansion = pre + N[j] + post[k];
+      if (!isTop || isSequence || expansion)
+        expansions.push(expansion);
+    }
+  }
+
+  return expansions;
+}
+
diff --git a/node_modules/brace-expansion/package.json b/node_modules/brace-expansion/package.json
new file mode 100644
index 00000000..a18faa8f
--- /dev/null
+++ b/node_modules/brace-expansion/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "brace-expansion",
+  "description": "Brace expansion as known from sh/bash",
+  "version": "1.1.11",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/brace-expansion.git"
+  },
+  "homepage": "https://github.com/juliangruber/brace-expansion",
+  "main": "index.js",
+  "scripts": {
+    "test": "tape test/*.js",
+    "gentest": "bash test/generate.sh",
+    "bench": "matcha test/perf/bench.js"
+  },
+  "dependencies": {
+    "balanced-match": "^1.0.0",
+    "concat-map": "0.0.1"
+  },
+  "devDependencies": {
+    "matcha": "^0.7.0",
+    "tape": "^4.6.0"
+  },
+  "keywords": [],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/20..latest",
+      "firefox/nightly",
+      "chrome/25..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/braces/LICENSE b/node_modules/braces/LICENSE
new file mode 100644
index 00000000..d32ab442
--- /dev/null
+++ b/node_modules/braces/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/braces/README.md b/node_modules/braces/README.md
new file mode 100644
index 00000000..f909bfba
--- /dev/null
+++ b/node_modules/braces/README.md
@@ -0,0 +1,640 @@
+# braces [![NPM version](https://img.shields.io/npm/v/braces.svg?style=flat)](https://www.npmjs.com/package/braces) [![NPM monthly downloads](https://img.shields.io/npm/dm/braces.svg?style=flat)](https://npmjs.org/package/braces) [![NPM total downloads](https://img.shields.io/npm/dt/braces.svg?style=flat)](https://npmjs.org/package/braces) [![Linux Build Status](https://img.shields.io/travis/micromatch/braces.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/braces) [![Windows Build Status](https://img.shields.io/appveyor/ci/micromatch/braces.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/micromatch/braces)
+
+> Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save braces
+```
+
+## Why use braces?
+
+Brace patterns are great for matching ranges. Users (and implementors) shouldn't have to think about whether or not they will break their application (or yours) from accidentally defining an aggressive brace pattern. _Braces is the only library that offers a [solution to this problem](#performance)_.
+
+* **Safe(r)**: Braces isn't vulnerable to DoS attacks like [brace-expansion](https://github.com/juliangruber/brace-expansion), [minimatch](https://github.com/isaacs/minimatch) and [multimatch](https://github.com/sindresorhus/multimatch) (a different bug than the [other regex DoS bug](https://medium.com/node-security/minimatch-redos-vulnerability-590da24e6d3c#.jew0b6mpc)).
+* **Accurate**: complete support for the [Bash 4.3 Brace Expansion](www.gnu.org/software/bash/) specification (passes all of the Bash braces tests)
+* **[fast and performant](#benchmarks)**: Starts fast, runs fast and [scales well](#performance) as patterns increase in complexity.
+* **Organized code base**: with parser and compiler that are eas(y|ier) to maintain and update when edge cases crop up.
+* **Well-tested**: thousands of test assertions. Passes 100% of the [minimatch](https://github.com/isaacs/minimatch) and [brace-expansion](https://github.com/juliangruber/brace-expansion) unit tests as well (as of the writing of this).
+
+## Usage
+
+The main export is a function that takes one or more brace `patterns` and `options`.
+
+```js
+var braces = require('braces');
+braces(pattern[, options]);
+```
+
+By default, braces returns an optimized regex-source string. To get an array of brace patterns, use `brace.expand()`.
+
+The following section explains the difference in more detail. _(If you're curious about "why" braces does this by default, see [brace matching pitfalls](#brace-matching-pitfalls)_.
+
+### Optimized vs. expanded braces
+
+**Optimized**
+
+By default, patterns are optimized for regex and matching:
+
+```js
+console.log(braces('a/{x,y,z}/b'));
+//=> ['a/(x|y|z)/b']
+```
+
+**Expanded**
+
+To expand patterns the same way as Bash or [minimatch](https://github.com/isaacs/minimatch), use the [.expand](#expand) method:
+
+```js
+console.log(braces.expand('a/{x,y,z}/b'));
+//=> ['a/x/b', 'a/y/b', 'a/z/b']
+```
+
+Or use [options.expand](#optionsexpand):
+
+```js
+console.log(braces('a/{x,y,z}/b', {expand: true}));
+//=> ['a/x/b', 'a/y/b', 'a/z/b']
+```
+
+## Features
+
+* [lists](#lists): Supports "lists": `a/{b,c}/d` => `['a/b/d', 'a/c/d']`
+* [sequences](#sequences): Supports alphabetical or numerical "sequences" (ranges): `{1..3}` => `['1', '2', '3']`
+* [steps](#steps): Supports "steps" or increments: `{2..10..2}` => `['2', '4', '6', '8', '10']`
+* [escaping](#escaping)
+* [options](#options)
+
+### Lists
+
+Uses [fill-range](https://github.com/jonschlinkert/fill-range) for expanding alphabetical or numeric lists:
+
+```js
+console.log(braces('a/{foo,bar,baz}/*.js'));
+//=> ['a/(foo|bar|baz)/*.js']
+
+console.log(braces.expand('a/{foo,bar,baz}/*.js'));
+//=> ['a/foo/*.js', 'a/bar/*.js', 'a/baz/*.js']
+```
+
+### Sequences
+
+Uses [fill-range](https://github.com/jonschlinkert/fill-range) for expanding alphabetical or numeric ranges (bash "sequences"):
+
+```js
+console.log(braces.expand('{1..3}'));     // ['1', '2', '3']
+console.log(braces.expand('a{01..03}b')); // ['a01b', 'a02b', 'a03b']
+console.log(braces.expand('a{1..3}b'));   // ['a1b', 'a2b', 'a3b']
+console.log(braces.expand('{a..c}'));     // ['a', 'b', 'c']
+console.log(braces.expand('foo/{a..c}')); // ['foo/a', 'foo/b', 'foo/c']
+
+// supports padded ranges
+console.log(braces('a{01..03}b'));   //=> [ 'a(0[1-3])b' ]
+console.log(braces('a{001..300}b')); //=> [ 'a(0{2}[1-9]|0[1-9][0-9]|[12][0-9]{2}|300)b' ]
+```
+
+### Steps
+
+Steps, or increments, may be used with ranges:
+
+```js
+console.log(braces.expand('{2..10..2}'));
+//=> ['2', '4', '6', '8', '10']
+
+console.log(braces('{2..10..2}'));
+//=> ['(2|4|6|8|10)']
+```
+
+When the [.optimize](#optimize) method is used, or [options.optimize](#optionsoptimize) is set to true, sequences are passed to [to-regex-range](https://github.com/jonschlinkert/to-regex-range) for expansion.
+
+### Nesting
+
+Brace patterns may be nested. The results of each expanded string are not sorted, and left to right order is preserved.
+
+**"Expanded" braces**
+
+```js
+console.log(braces.expand('a{b,c,/{x,y}}/e'));
+//=> ['ab/e', 'ac/e', 'a/x/e', 'a/y/e']
+
+console.log(braces.expand('a/{x,{1..5},y}/c'));
+//=> ['a/x/c', 'a/1/c', 'a/2/c', 'a/3/c', 'a/4/c', 'a/5/c', 'a/y/c']
+```
+
+**"Optimized" braces**
+
+```js
+console.log(braces('a{b,c,/{x,y}}/e'));
+//=> ['a(b|c|/(x|y))/e']
+
+console.log(braces('a/{x,{1..5},y}/c'));
+//=> ['a/(x|([1-5])|y)/c']
+```
+
+### Escaping
+
+**Escaping braces**
+
+A brace pattern will not be expanded or evaluted if _either the opening or closing brace is escaped_:
+
+```js
+console.log(braces.expand('a\\{d,c,b}e'));
+//=> ['a{d,c,b}e']
+
+console.log(braces.expand('a{d,c,b\\}e'));
+//=> ['a{d,c,b}e']
+```
+
+**Escaping commas**
+
+Commas inside braces may also be escaped:
+
+```js
+console.log(braces.expand('a{b\\,c}d'));
+//=> ['a{b,c}d']
+
+console.log(braces.expand('a{d\\,c,b}e'));
+//=> ['ad,ce', 'abe']
+```
+
+**Single items**
+
+Following bash conventions, a brace pattern is also not expanded when it contains a single character:
+
+```js
+console.log(braces.expand('a{b}c'));
+//=> ['a{b}c']
+```
+
+## Options
+
+### options.maxLength
+
+**Type**: `Number`
+
+**Default**: `65,536`
+
+**Description**: Limit the length of the input string. Useful when the input string is generated or your application allows users to pass a string, et cetera.
+
+```js
+console.log(braces('a/{b,c}/d', { maxLength: 3 }));  //=> throws an error
+```
+
+### options.expand
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: Generate an "expanded" brace pattern (this option is unncessary with the `.expand` method, which does the same thing).
+
+```js
+console.log(braces('a/{b,c}/d', {expand: true}));
+//=> [ 'a/b/d', 'a/c/d' ]
+```
+
+### options.optimize
+
+**Type**: `Boolean`
+
+**Default**: `true`
+
+**Description**: Enabled by default.
+
+```js
+console.log(braces('a/{b,c}/d'));
+//=> [ 'a/(b|c)/d' ]
+```
+
+### options.nodupes
+
+**Type**: `Boolean`
+
+**Default**: `true`
+
+**Description**: Duplicates are removed by default. To keep duplicates, pass `{nodupes: false}` on the options
+
+### options.rangeLimit
+
+**Type**: `Number`
+
+**Default**: `250`
+
+**Description**: When `braces.expand()` is used, or `options.expand` is true, brace patterns will automatically be [optimized](#optionsoptimize) when the difference between the range minimum and range maximum exceeds the `rangeLimit`. This is to prevent huge ranges from freezing your application.
+
+You can set this to any number, or change `options.rangeLimit` to `Inifinity` to disable this altogether.
+
+**Examples**
+
+```js
+// pattern exceeds the "rangeLimit", so it's optimized automatically
+console.log(braces.expand('{1..1000}'));
+//=> ['([1-9]|[1-9][0-9]{1,2}|1000)']
+
+// pattern does not exceed "rangeLimit", so it's NOT optimized
+console.log(braces.expand('{1..100}'));
+//=> ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '100']
+```
+
+### options.transform
+
+**Type**: `Function`
+
+**Default**: `undefined`
+
+**Description**: Customize range expansion.
+
+```js
+var range = braces.expand('x{a..e}y', {
+  transform: function(str) {
+    return 'foo' + str;
+  }
+});
+
+console.log(range);
+//=> [ 'xfooay', 'xfooby', 'xfoocy', 'xfoody', 'xfooey' ]
+```
+
+### options.quantifiers
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: In regular expressions, quanitifiers can be used to specify how many times a token can be repeated. For example, `a{1,3}` will match the letter `a` one to three times.
+
+Unfortunately, regex quantifiers happen to share the same syntax as [Bash lists](#lists)
+
+The `quantifiers` option tells braces to detect when [regex quantifiers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#quantifiers) are defined in the given pattern, and not to try to expand them as lists.
+
+**Examples**
+
+```js
+var braces = require('braces');
+console.log(braces('a/b{1,3}/{x,y,z}'));
+//=> [ 'a/b(1|3)/(x|y|z)' ]
+console.log(braces('a/b{1,3}/{x,y,z}', {quantifiers: true}));
+//=> [ 'a/b{1,3}/(x|y|z)' ]
+console.log(braces('a/b{1,3}/{x,y,z}', {quantifiers: true, expand: true}));
+//=> [ 'a/b{1,3}/x', 'a/b{1,3}/y', 'a/b{1,3}/z' ]
+```
+
+### options.unescape
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: Strip backslashes that were used for escaping from the result.
+
+## What is "brace expansion"?
+
+Brace expansion is a type of parameter expansion that was made popular by unix shells for generating lists of strings, as well as regex-like matching when used alongside wildcards (globs).
+
+In addition to "expansion", braces are also used for matching. In other words:
+
+* [brace expansion](#brace-expansion) is for generating new lists
+* [brace matching](#brace-matching) is for filtering existing lists
+
+<details>
+<summary><strong>More about brace expansion</strong> (click to expand)</summary>
+
+There are two main types of brace expansion:
+
+1. **lists**: which are defined using comma-separated values inside curly braces: `{a,b,c}`
+2. **sequences**: which are defined using a starting value and an ending value, separated by two dots: `a{1..3}b`. Optionally, a third argument may be passed to define a "step" or increment to use: `a{1..100..10}b`. These are also sometimes referred to as "ranges".
+
+Here are some example brace patterns to illustrate how they work:
+
+**Sets**
+
+```
+{a,b,c}       => a b c
+{a,b,c}{1,2}  => a1 a2 b1 b2 c1 c2
+```
+
+**Sequences**
+
+```
+{1..9}        => 1 2 3 4 5 6 7 8 9
+{4..-4}       => 4 3 2 1 0 -1 -2 -3 -4
+{1..20..3}    => 1 4 7 10 13 16 19
+{a..j}        => a b c d e f g h i j
+{j..a}        => j i h g f e d c b a
+{a..z..3}     => a d g j m p s v y
+```
+
+**Combination**
+
+Sets and sequences can be mixed together or used along with any other strings.
+
+```
+{a,b,c}{1..3}   => a1 a2 a3 b1 b2 b3 c1 c2 c3
+foo/{a,b,c}/bar => foo/a/bar foo/b/bar foo/c/bar
+```
+
+The fact that braces can be "expanded" from relatively simple patterns makes them ideal for quickly generating test fixtures, file paths, and similar use cases.
+
+## Brace matching
+
+In addition to _expansion_, brace patterns are also useful for performing regular-expression-like matching.
+
+For example, the pattern `foo/{1..3}/bar` would match any of following strings:
+
+```
+foo/1/bar
+foo/2/bar
+foo/3/bar
+```
+
+But not:
+
+```
+baz/1/qux
+baz/2/qux
+baz/3/qux
+```
+
+Braces can also be combined with [glob patterns](https://github.com/jonschlinkert/micromatch) to perform more advanced wildcard matching. For example, the pattern `*/{1..3}/*` would match any of following strings:
+
+```
+foo/1/bar
+foo/2/bar
+foo/3/bar
+baz/1/qux
+baz/2/qux
+baz/3/qux
+```
+
+## Brace matching pitfalls
+
+Although brace patterns offer a user-friendly way of matching ranges or sets of strings, there are also some major disadvantages and potential risks you should be aware of.
+
+### tldr
+
+**"brace bombs"**
+
+* brace expansion can eat up a huge amount of processing resources
+* as brace patterns increase _linearly in size_, the system resources required to expand the pattern increase exponentially
+* users can accidentally (or intentially) exhaust your system's resources resulting in the equivalent of a DoS attack (bonus: no programming knowledge is required!)
+
+For a more detailed explanation with examples, see the [geometric complexity](#geometric-complexity) section.
+
+### The solution
+
+Jump to the [performance section](#performance) to see how Braces solves this problem in comparison to other libraries.
+
+### Geometric complexity
+
+At minimum, brace patterns with sets limited to two elements have quadradic or `O(n^2)` complexity. But the complexity of the algorithm increases exponentially as the number of sets, _and elements per set_, increases, which is `O(n^c)`.
+
+For example, the following sets demonstrate quadratic (`O(n^2)`) complexity:
+
+```
+{1,2}{3,4}      => (2X2)    => 13 14 23 24
+{1,2}{3,4}{5,6} => (2X2X2)  => 135 136 145 146 235 236 245 246
+```
+
+But add an element to a set, and we get a n-fold Cartesian product with `O(n^c)` complexity:
+
+```
+{1,2,3}{4,5,6}{7,8,9} => (3X3X3) => 147 148 149 157 158 159 167 168 169 247 248 
+                                    249 257 258 259 267 268 269 347 348 349 357 
+                                    358 359 367 368 369
+```
+
+Now, imagine how this complexity grows given that each element is a n-tuple:
+
+```
+{1..100}{1..100}         => (100X100)     => 10,000 elements (38.4 kB)
+{1..100}{1..100}{1..100} => (100X100X100) => 1,000,000 elements (5.76 MB)
+```
+
+Although these examples are clearly contrived, they demonstrate how brace patterns can quickly grow out of control.
+
+**More information**
+
+Interested in learning more about brace expansion?
+
+* [linuxjournal/bash-brace-expansion](http://www.linuxjournal.com/content/bash-brace-expansion)
+* [rosettacode/Brace_expansion](https://rosettacode.org/wiki/Brace_expansion)
+* [cartesian product](https://en.wikipedia.org/wiki/Cartesian_product)
+
+</details>
+
+## Performance
+
+Braces is not only screaming fast, it's also more accurate the other brace expansion libraries.
+
+### Better algorithms
+
+Fortunately there is a solution to the ["brace bomb" problem](#brace-matching-pitfalls): _don't expand brace patterns into an array when they're used for matching_.
+
+Instead, convert the pattern into an optimized regular expression. This is easier said than done, and braces is the only library that does this currently.
+
+**The proof is in the numbers**
+
+Minimatch gets exponentially slower as patterns increase in complexity, braces does not. The following results were generated using `braces()` and `minimatch.braceExpand()`, respectively.
+
+| **Pattern** | **braces** | **[minimatch](https://github.com/isaacs/minimatch)** | 
+| --- | --- | --- |
+| `{1..9007199254740991}`<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> | `298 B` (5ms 459μs) | N/A (freezes) |
+| `{1..1000000000000000}` | `41 B` (1ms 15μs) | N/A (freezes) |
+| `{1..100000000000000}` | `40 B` (890μs) | N/A (freezes) |
+| `{1..10000000000000}` | `39 B` (2ms 49μs) | N/A (freezes) |
+| `{1..1000000000000}` | `38 B` (608μs) | N/A (freezes) |
+| `{1..100000000000}` | `37 B` (397μs) | N/A (freezes) |
+| `{1..10000000000}` | `35 B` (983μs) | N/A (freezes) |
+| `{1..1000000000}` | `34 B` (798μs) | N/A (freezes) |
+| `{1..100000000}` | `33 B` (733μs) | N/A (freezes) |
+| `{1..10000000}` | `32 B` (5ms 632μs) | `78.89 MB` (16s 388ms 569μs) |
+| `{1..1000000}` | `31 B` (1ms 381μs) | `6.89 MB` (1s 496ms 887μs) |
+| `{1..100000}` | `30 B` (950μs) | `588.89 kB` (146ms 921μs) |
+| `{1..10000}` | `29 B` (1ms 114μs) | `48.89 kB` (14ms 187μs) |
+| `{1..1000}` | `28 B` (760μs) | `3.89 kB` (1ms 453μs) |
+| `{1..100}` | `22 B` (345μs) | `291 B` (196μs) |
+| `{1..10}` | `10 B` (533μs) | `20 B` (37μs) |
+| `{1..3}` | `7 B` (190μs) | `5 B` (27μs) |
+
+### Faster algorithms
+
+When you need expansion, braces is still much faster.
+
+_(the following results were generated using `braces.expand()` and `minimatch.braceExpand()`, respectively)_
+
+| **Pattern** | **braces** | **[minimatch](https://github.com/isaacs/minimatch)** | 
+| --- | --- | --- |
+| `{1..10000000}` | `78.89 MB` (2s 698ms 642μs) | `78.89 MB` (18s 601ms 974μs) |
+| `{1..1000000}` | `6.89 MB` (458ms 576μs) | `6.89 MB` (1s 491ms 621μs) |
+| `{1..100000}` | `588.89 kB` (20ms 728μs) | `588.89 kB` (156ms 919μs) |
+| `{1..10000}` | `48.89 kB` (2ms 202μs) | `48.89 kB` (13ms 641μs) |
+| `{1..1000}` | `3.89 kB` (1ms 796μs) | `3.89 kB` (1ms 958μs) |
+| `{1..100}` | `291 B` (424μs) | `291 B` (211μs) |
+| `{1..10}` | `20 B` (487μs) | `20 B` (72μs) |
+| `{1..3}` | `5 B` (166μs) | `5 B` (27μs) |
+
+If you'd like to run these comparisons yourself, see [test/support/generate.js](test/support/generate.js).
+
+## Benchmarks
+
+### Running benchmarks
+
+Install dev dependencies:
+
+```bash
+npm i -d && npm benchmark
+```
+
+### Latest results
+
+```bash
+Benchmarking: (8 of 8)
+ · combination-nested
+ · combination
+ · escaped
+ · list-basic
+ · list-multiple
+ · no-braces
+ · sequence-basic
+ · sequence-multiple
+
+# benchmark/fixtures/combination-nested.js (52 bytes)
+  brace-expansion x 4,756 ops/sec ±1.09% (86 runs sampled)
+  braces x 11,202,303 ops/sec ±1.06% (88 runs sampled)
+  minimatch x 4,816 ops/sec ±0.99% (87 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/combination.js (51 bytes)
+  brace-expansion x 625 ops/sec ±0.87% (87 runs sampled)
+  braces x 11,031,884 ops/sec ±0.72% (90 runs sampled)
+  minimatch x 637 ops/sec ±0.84% (88 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/escaped.js (44 bytes)
+  brace-expansion x 163,325 ops/sec ±1.05% (87 runs sampled)
+  braces x 10,655,071 ops/sec ±1.22% (88 runs sampled)
+  minimatch x 147,495 ops/sec ±0.96% (88 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/list-basic.js (40 bytes)
+  brace-expansion x 99,726 ops/sec ±1.07% (83 runs sampled)
+  braces x 10,596,584 ops/sec ±0.98% (88 runs sampled)
+  minimatch x 100,069 ops/sec ±1.17% (86 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/list-multiple.js (52 bytes)
+  brace-expansion x 34,348 ops/sec ±1.08% (88 runs sampled)
+  braces x 9,264,131 ops/sec ±1.12% (88 runs sampled)
+  minimatch x 34,893 ops/sec ±0.87% (87 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/no-braces.js (48 bytes)
+  brace-expansion x 275,368 ops/sec ±1.18% (89 runs sampled)
+  braces x 9,134,677 ops/sec ±0.95% (88 runs sampled)
+  minimatch x 3,755,954 ops/sec ±1.13% (89 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/sequence-basic.js (41 bytes)
+  brace-expansion x 5,492 ops/sec ±1.35% (87 runs sampled)
+  braces x 8,485,034 ops/sec ±1.28% (89 runs sampled)
+  minimatch x 5,341 ops/sec ±1.17% (87 runs sampled)
+
+  fastest is braces
+
+# benchmark/fixtures/sequence-multiple.js (51 bytes)
+  brace-expansion x 116 ops/sec ±0.77% (77 runs sampled)
+  braces x 9,445,118 ops/sec ±1.32% (84 runs sampled)
+  minimatch x 109 ops/sec ±1.16% (76 runs sampled)
+
+  fastest is braces
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [expand-brackets](https://www.npmjs.com/package/expand-brackets): Expand POSIX bracket expressions (character classes) in glob patterns. | [homepage](https://github.com/jonschlinkert/expand-brackets "Expand POSIX bracket expressions (character classes) in glob patterns.")
+* [extglob](https://www.npmjs.com/package/extglob): Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob… [more](https://github.com/micromatch/extglob) | [homepage](https://github.com/micromatch/extglob "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.")
+* [fill-range](https://www.npmjs.com/package/fill-range): Fill in a range of numbers or letters, optionally passing an increment or `step` to… [more](https://github.com/jonschlinkert/fill-range) | [homepage](https://github.com/jonschlinkert/fill-range "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+* [nanomatch](https://www.npmjs.com/package/nanomatch): Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash… [more](https://github.com/micromatch/nanomatch) | [homepage](https://github.com/micromatch/nanomatch "Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 188 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 4 | [doowb](https://github.com/doowb) |
+| 1 | [es128](https://github.com/es128) |
+| 1 | [eush77](https://github.com/eush77) |
+| 1 | [hemanth](https://github.com/hemanth) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 17, 2018._
+
+<hr class="footnotes-sep">
+<section class="footnotes">
+<ol class="footnotes-list">
+<li id="fn1"  class="footnote-item">this is the largest safe integer allowed in JavaScript. <a href="#fnref1" class="footnote-backref">↩</a>
+
+</li>
+</ol>
+</section>
\ No newline at end of file
diff --git a/node_modules/braces/index.js b/node_modules/braces/index.js
new file mode 100644
index 00000000..048e1c23
--- /dev/null
+++ b/node_modules/braces/index.js
@@ -0,0 +1,318 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var toRegex = require('to-regex');
+var unique = require('array-unique');
+var extend = require('extend-shallow');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var Braces = require('./lib/braces');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+var cache = {};
+
+/**
+ * Convert the given `braces` pattern into a regex-compatible string. By default, only one string is generated for every input string. Set `options.expand` to true to return an array of patterns (similar to Bash or minimatch. Before using `options.expand`, it's recommended that you read the [performance notes](#performance)).
+ *
+ * ```js
+ * var braces = require('braces');
+ * console.log(braces('{a,b,c}'));
+ * //=> ['(a|b|c)']
+ *
+ * console.log(braces('{a,b,c}', {expand: true}));
+ * //=> ['a', 'b', 'c']
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+function braces(pattern, options) {
+  var key = utils.createKey(String(pattern), options);
+  var arr = [];
+
+  var disabled = options && options.cache === false;
+  if (!disabled && cache.hasOwnProperty(key)) {
+    return cache[key];
+  }
+
+  if (Array.isArray(pattern)) {
+    for (var i = 0; i < pattern.length; i++) {
+      arr.push.apply(arr, braces.create(pattern[i], options));
+    }
+  } else {
+    arr = braces.create(pattern, options);
+  }
+
+  if (options && options.nodupes === true) {
+    arr = unique(arr);
+  }
+
+  if (!disabled) {
+    cache[key] = arr;
+  }
+  return arr;
+}
+
+/**
+ * Expands a brace pattern into an array. This method is called by the main [braces](#braces) function when `options.expand` is true. Before using this method it's recommended that you read the [performance notes](#performance)) and advantages of using [.optimize](#optimize) instead.
+ *
+ * ```js
+ * var braces = require('braces');
+ * console.log(braces.expand('a/{b,c}/d'));
+ * //=> ['a/b/d', 'a/c/d'];
+ * ```
+ * @param {String} `pattern` Brace pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.expand = function(pattern, options) {
+  return braces.create(pattern, extend({}, options, {expand: true}));
+};
+
+/**
+ * Expands a brace pattern into a regex-compatible, optimized string. This method is called by the main [braces](#braces) function by default.
+ *
+ * ```js
+ * var braces = require('braces');
+ * console.log(braces.expand('a/{b,c}/d'));
+ * //=> ['a/(b|c)/d']
+ * ```
+ * @param {String} `pattern` Brace pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.optimize = function(pattern, options) {
+  return braces.create(pattern, options);
+};
+
+/**
+ * Processes a brace pattern and returns either an expanded array (if `options.expand` is true), a highly optimized regex-compatible string. This method is called by the main [braces](#braces) function.
+ *
+ * ```js
+ * var braces = require('braces');
+ * console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}'))
+ * //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)'
+ * ```
+ * @param {String} `pattern` Brace pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.create = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  var maxLength = (options && options.maxLength) || MAX_LENGTH;
+  if (pattern.length >= maxLength) {
+    throw new Error('expected pattern to be less than ' + maxLength + ' characters');
+  }
+
+  function create() {
+    if (pattern === '' || pattern.length < 3) {
+      return [pattern];
+    }
+
+    if (utils.isEmptySets(pattern)) {
+      return [];
+    }
+
+    if (utils.isQuotedString(pattern)) {
+      return [pattern.slice(1, -1)];
+    }
+
+    var proto = new Braces(options);
+    var result = !options || options.expand !== true
+      ? proto.optimize(pattern, options)
+      : proto.expand(pattern, options);
+
+    // get the generated pattern(s)
+    var arr = result.output;
+
+    // filter out empty strings if specified
+    if (options && options.noempty === true) {
+      arr = arr.filter(Boolean);
+    }
+
+    // filter out duplicates if specified
+    if (options && options.nodupes === true) {
+      arr = unique(arr);
+    }
+
+    Object.defineProperty(arr, 'result', {
+      enumerable: false,
+      value: result
+    });
+
+    return arr;
+  }
+
+  return memoize('create', pattern, options, create);
+};
+
+/**
+ * Create a regular expression from the given string `pattern`.
+ *
+ * ```js
+ * var braces = require('braces');
+ *
+ * console.log(braces.makeRe('id-{200..300}'));
+ * //=> /^(?:id-(20[0-9]|2[1-9][0-9]|300))$/
+ * ```
+ * @param {String} `pattern` The pattern to convert to regex.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+braces.makeRe = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  var maxLength = (options && options.maxLength) || MAX_LENGTH;
+  if (pattern.length >= maxLength) {
+    throw new Error('expected pattern to be less than ' + maxLength + ' characters');
+  }
+
+  function makeRe() {
+    var arr = braces(pattern, options);
+    var opts = extend({strictErrors: false}, options);
+    return toRegex(arr, opts);
+  }
+
+  return memoize('makeRe', pattern, options, makeRe);
+};
+
+/**
+ * Parse the given `str` with the given `options`.
+ *
+ * ```js
+ * var braces = require('braces');
+ * var ast = braces.parse('a/{b,c}/d');
+ * console.log(ast);
+ * // { type: 'root',
+ * //   errors: [],
+ * //   input: 'a/{b,c}/d',
+ * //   nodes:
+ * //    [ { type: 'bos', val: '' },
+ * //      { type: 'text', val: 'a/' },
+ * //      { type: 'brace',
+ * //        nodes:
+ * //         [ { type: 'brace.open', val: '{' },
+ * //           { type: 'text', val: 'b,c' },
+ * //           { type: 'brace.close', val: '}' } ] },
+ * //      { type: 'text', val: '/d' },
+ * //      { type: 'eos', val: '' } ] }
+ * ```
+ * @param {String} `pattern` Brace pattern to parse
+ * @param {Object} `options`
+ * @return {Object} Returns an AST
+ * @api public
+ */
+
+braces.parse = function(pattern, options) {
+  var proto = new Braces(options);
+  return proto.parse(pattern, options);
+};
+
+/**
+ * Compile the given `ast` or string with the given `options`.
+ *
+ * ```js
+ * var braces = require('braces');
+ * var ast = braces.parse('a/{b,c}/d');
+ * console.log(braces.compile(ast));
+ * // { options: { source: 'string' },
+ * //   state: {},
+ * //   compilers:
+ * //    { eos: [Function],
+ * //      noop: [Function],
+ * //      bos: [Function],
+ * //      brace: [Function],
+ * //      'brace.open': [Function],
+ * //      text: [Function],
+ * //      'brace.close': [Function] },
+ * //   output: [ 'a/(b|c)/d' ],
+ * //   ast:
+ * //    { ... },
+ * //   parsingErrors: [] }
+ * ```
+ * @param {Object|String} `ast` AST from [.parse](#parse). If a string is passed it will be parsed first.
+ * @param {Object} `options`
+ * @return {Object} Returns an object that has an `output` property with the compiled string.
+ * @api public
+ */
+
+braces.compile = function(ast, options) {
+  var proto = new Braces(options);
+  return proto.compile(ast, options);
+};
+
+/**
+ * Clear the regex cache.
+ *
+ * ```js
+ * braces.clearCache();
+ * ```
+ * @api public
+ */
+
+braces.clearCache = function() {
+  cache = braces.cache = {};
+};
+
+/**
+ * Memoize a generated regex or function. A unique key is generated
+ * from the method name, pattern, and user-defined options. Set
+ * options.memoize to false to disable.
+ */
+
+function memoize(type, pattern, options, fn) {
+  var key = utils.createKey(type + ':' + pattern, options);
+  var disabled = options && options.cache === false;
+  if (disabled) {
+    braces.clearCache();
+    return fn(pattern, options);
+  }
+
+  if (cache.hasOwnProperty(key)) {
+    return cache[key];
+  }
+
+  var res = fn(pattern, options);
+  cache[key] = res;
+  return res;
+}
+
+/**
+ * Expose `Braces` constructor and methods
+ * @type {Function}
+ */
+
+braces.Braces = Braces;
+braces.compilers = compilers;
+braces.parsers = parsers;
+braces.cache = cache;
+
+/**
+ * Expose `braces`
+ * @type {Function}
+ */
+
+module.exports = braces;
diff --git a/node_modules/braces/lib/braces.js b/node_modules/braces/lib/braces.js
new file mode 100644
index 00000000..baf6bf1b
--- /dev/null
+++ b/node_modules/braces/lib/braces.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var extend = require('extend-shallow');
+var Snapdragon = require('snapdragon');
+var compilers = require('./compilers');
+var parsers = require('./parsers');
+var utils = require('./utils');
+
+/**
+ * Customize Snapdragon parser and renderer
+ */
+
+function Braces(options) {
+  this.options = extend({}, options);
+}
+
+/**
+ * Initialize braces
+ */
+
+Braces.prototype.init = function(options) {
+  if (this.isInitialized) return;
+  this.isInitialized = true;
+  var opts = utils.createOptions({}, this.options, options);
+  this.snapdragon = this.options.snapdragon || new Snapdragon(opts);
+  this.compiler = this.snapdragon.compiler;
+  this.parser = this.snapdragon.parser;
+
+  compilers(this.snapdragon, opts);
+  parsers(this.snapdragon, opts);
+
+  /**
+   * Call Snapdragon `.parse` method. When AST is returned, we check to
+   * see if any unclosed braces are left on the stack and, if so, we iterate
+   * over the stack and correct the AST so that compilers are called in the correct
+   * order and unbalance braces are properly escaped.
+   */
+
+  utils.define(this.snapdragon, 'parse', function(pattern, options) {
+    var parsed = Snapdragon.prototype.parse.apply(this, arguments);
+    this.parser.ast.input = pattern;
+
+    var stack = this.parser.stack;
+    while (stack.length) {
+      addParent({type: 'brace.close', val: ''}, stack.pop());
+    }
+
+    function addParent(node, parent) {
+      utils.define(node, 'parent', parent);
+      parent.nodes.push(node);
+    }
+
+    // add non-enumerable parser reference
+    utils.define(parsed, 'parser', this.parser);
+    return parsed;
+  });
+};
+
+/**
+ * Decorate `.parse` method
+ */
+
+Braces.prototype.parse = function(ast, options) {
+  if (ast && typeof ast === 'object' && ast.nodes) return ast;
+  this.init(options);
+  return this.snapdragon.parse(ast, options);
+};
+
+/**
+ * Decorate `.compile` method
+ */
+
+Braces.prototype.compile = function(ast, options) {
+  if (typeof ast === 'string') {
+    ast = this.parse(ast, options);
+  } else {
+    this.init(options);
+  }
+  return this.snapdragon.compile(ast, options);
+};
+
+/**
+ * Expand
+ */
+
+Braces.prototype.expand = function(pattern) {
+  var ast = this.parse(pattern, {expand: true});
+  return this.compile(ast, {expand: true});
+};
+
+/**
+ * Optimize
+ */
+
+Braces.prototype.optimize = function(pattern) {
+  var ast = this.parse(pattern, {optimize: true});
+  return this.compile(ast, {optimize: true});
+};
+
+/**
+ * Expose `Braces`
+ */
+
+module.exports = Braces;
diff --git a/node_modules/braces/lib/compilers.js b/node_modules/braces/lib/compilers.js
new file mode 100644
index 00000000..a3b820e4
--- /dev/null
+++ b/node_modules/braces/lib/compilers.js
@@ -0,0 +1,282 @@
+'use strict';
+
+var utils = require('./utils');
+
+module.exports = function(braces, options) {
+  braces.compiler
+
+    /**
+     * bos
+     */
+
+    .set('bos', function() {
+      if (this.output) return;
+      this.ast.queue = isEscaped(this.ast) ? [this.ast.val] : [];
+      this.ast.count = 1;
+    })
+
+    /**
+     * Square brackets
+     */
+
+    .set('bracket', function(node) {
+      var close = node.close;
+      var open = !node.escaped ? '[' : '\\[';
+      var negated = node.negated;
+      var inner = node.inner;
+
+      inner = inner.replace(/\\(?=[\\\w]|$)/g, '\\\\');
+      if (inner === ']-') {
+        inner = '\\]\\-';
+      }
+
+      if (negated && inner.indexOf('.') === -1) {
+        inner += '.';
+      }
+      if (negated && inner.indexOf('/') === -1) {
+        inner += '/';
+      }
+
+      var val = open + negated + inner + close;
+      var queue = node.parent.queue;
+      var last = utils.arrayify(queue.pop());
+
+      queue.push(utils.join(last, val));
+      queue.push.apply(queue, []);
+    })
+
+    /**
+     * Brace
+     */
+
+    .set('brace', function(node) {
+      node.queue = isEscaped(node) ? [node.val] : [];
+      node.count = 1;
+      return this.mapVisit(node.nodes);
+    })
+
+    /**
+     * Open
+     */
+
+    .set('brace.open', function(node) {
+      node.parent.open = node.val;
+    })
+
+    /**
+     * Inner
+     */
+
+    .set('text', function(node) {
+      var queue = node.parent.queue;
+      var escaped = node.escaped;
+      var segs = [node.val];
+
+      if (node.optimize === false) {
+        options = utils.extend({}, options, {optimize: false});
+      }
+
+      if (node.multiplier > 1) {
+        node.parent.count *= node.multiplier;
+      }
+
+      if (options.quantifiers === true && utils.isQuantifier(node.val)) {
+        escaped = true;
+
+      } else if (node.val.length > 1) {
+        if (isType(node.parent, 'brace') && !isEscaped(node)) {
+          var expanded = utils.expand(node.val, options);
+          segs = expanded.segs;
+
+          if (expanded.isOptimized) {
+            node.parent.isOptimized = true;
+          }
+
+          // if nothing was expanded, we probably have a literal brace
+          if (!segs.length) {
+            var val = (expanded.val || node.val);
+            if (options.unescape !== false) {
+              // unescape unexpanded brace sequence/set separators
+              val = val.replace(/\\([,.])/g, '$1');
+              // strip quotes
+              val = val.replace(/["'`]/g, '');
+            }
+
+            segs = [val];
+            escaped = true;
+          }
+        }
+
+      } else if (node.val === ',') {
+        if (options.expand) {
+          node.parent.queue.push(['']);
+          segs = [''];
+        } else {
+          segs = ['|'];
+        }
+      } else {
+        escaped = true;
+      }
+
+      if (escaped && isType(node.parent, 'brace')) {
+        if (node.parent.nodes.length <= 4 && node.parent.count === 1) {
+          node.parent.escaped = true;
+        } else if (node.parent.length <= 3) {
+          node.parent.escaped = true;
+        }
+      }
+
+      if (!hasQueue(node.parent)) {
+        node.parent.queue = segs;
+        return;
+      }
+
+      var last = utils.arrayify(queue.pop());
+      if (node.parent.count > 1 && options.expand) {
+        last = multiply(last, node.parent.count);
+        node.parent.count = 1;
+      }
+
+      queue.push(utils.join(utils.flatten(last), segs.shift()));
+      queue.push.apply(queue, segs);
+    })
+
+    /**
+     * Close
+     */
+
+    .set('brace.close', function(node) {
+      var queue = node.parent.queue;
+      var prev = node.parent.parent;
+      var last = prev.queue.pop();
+      var open = node.parent.open;
+      var close = node.val;
+
+      if (open && close && isOptimized(node, options)) {
+        open = '(';
+        close = ')';
+      }
+
+      // if a close brace exists, and the previous segment is one character
+      // don't wrap the result in braces or parens
+      var ele = utils.last(queue);
+      if (node.parent.count > 1 && options.expand) {
+        ele = multiply(queue.pop(), node.parent.count);
+        node.parent.count = 1;
+        queue.push(ele);
+      }
+
+      if (close && typeof ele === 'string' && ele.length === 1) {
+        open = '';
+        close = '';
+      }
+
+      if ((isLiteralBrace(node, options) || noInner(node)) && !node.parent.hasEmpty) {
+        queue.push(utils.join(open, queue.pop() || ''));
+        queue = utils.flatten(utils.join(queue, close));
+      }
+
+      if (typeof last === 'undefined') {
+        prev.queue = [queue];
+      } else {
+        prev.queue.push(utils.flatten(utils.join(last, queue)));
+      }
+    })
+
+    /**
+     * eos
+     */
+
+    .set('eos', function(node) {
+      if (this.input) return;
+
+      if (options.optimize !== false) {
+        this.output = utils.last(utils.flatten(this.ast.queue));
+      } else if (Array.isArray(utils.last(this.ast.queue))) {
+        this.output = utils.flatten(this.ast.queue.pop());
+      } else {
+        this.output = utils.flatten(this.ast.queue);
+      }
+
+      if (node.parent.count > 1 && options.expand) {
+        this.output = multiply(this.output, node.parent.count);
+      }
+
+      this.output = utils.arrayify(this.output);
+      this.ast.queue = [];
+    });
+
+};
+
+/**
+ * Multiply the segments in the current brace level
+ */
+
+function multiply(queue, n, options) {
+  return utils.flatten(utils.repeat(utils.arrayify(queue), n));
+}
+
+/**
+ * Return true if `node` is escaped
+ */
+
+function isEscaped(node) {
+  return node.escaped === true;
+}
+
+/**
+ * Returns true if regex parens should be used for sets. If the parent `type`
+ * is not `brace`, then we're on a root node, which means we should never
+ * expand segments and open/close braces should be `{}` (since this indicates
+ * a brace is missing from the set)
+ */
+
+function isOptimized(node, options) {
+  if (node.parent.isOptimized) return true;
+  return isType(node.parent, 'brace')
+    && !isEscaped(node.parent)
+    && options.expand !== true;
+}
+
+/**
+ * Returns true if the value in `node` should be wrapped in a literal brace.
+ * @return {Boolean}
+ */
+
+function isLiteralBrace(node, options) {
+  return isEscaped(node.parent) || options.optimize !== false;
+}
+
+/**
+ * Returns true if the given `node` does not have an inner value.
+ * @return {Boolean}
+ */
+
+function noInner(node, type) {
+  if (node.parent.queue.length === 1) {
+    return true;
+  }
+  var nodes = node.parent.nodes;
+  return nodes.length === 3
+    && isType(nodes[0], 'brace.open')
+    && !isType(nodes[1], 'text')
+    && isType(nodes[2], 'brace.close');
+}
+
+/**
+ * Returns true if the given `node` is the given `type`
+ * @return {Boolean}
+ */
+
+function isType(node, type) {
+  return typeof node !== 'undefined' && node.type === type;
+}
+
+/**
+ * Returns true if the given `node` has a non-empty queue.
+ * @return {Boolean}
+ */
+
+function hasQueue(node) {
+  return Array.isArray(node.queue) && node.queue.length;
+}
diff --git a/node_modules/braces/lib/parsers.js b/node_modules/braces/lib/parsers.js
new file mode 100644
index 00000000..8bf3e92b
--- /dev/null
+++ b/node_modules/braces/lib/parsers.js
@@ -0,0 +1,360 @@
+'use strict';
+
+var Node = require('snapdragon-node');
+var utils = require('./utils');
+
+/**
+ * Braces parsers
+ */
+
+module.exports = function(braces, options) {
+  braces.parser
+    .set('bos', function() {
+      if (!this.parsed) {
+        this.ast = this.nodes[0] = new Node(this.ast);
+      }
+    })
+
+    /**
+     * Character parsers
+     */
+
+    .set('escape', function() {
+      var pos = this.position();
+      var m = this.match(/^(?:\\(.)|\$\{)/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var last = utils.last(prev.nodes);
+
+      var node = pos(new Node({
+        type: 'text',
+        multiplier: 1,
+        val: m[0]
+      }));
+
+      if (node.val === '\\\\') {
+        return node;
+      }
+
+      if (node.val === '${') {
+        var str = this.input;
+        var idx = -1;
+        var ch;
+
+        while ((ch = str[++idx])) {
+          this.consume(1);
+          node.val += ch;
+          if (ch === '\\') {
+            node.val += str[++idx];
+            continue;
+          }
+          if (ch === '}') {
+            break;
+          }
+        }
+      }
+
+      if (this.options.unescape !== false) {
+        node.val = node.val.replace(/\\([{}])/g, '$1');
+      }
+
+      if (last.val === '"' && this.input.charAt(0) === '"') {
+        last.val = node.val;
+        this.consume(1);
+        return;
+      }
+
+      return concatNodes.call(this, pos, node, prev, options);
+    })
+
+    /**
+     * Brackets: "[...]" (basic, this is overridden by
+     * other parsers in more advanced implementations)
+     */
+
+    .set('bracket', function() {
+      var isInside = this.isInside('brace');
+      var pos = this.position();
+      var m = this.match(/^(?:\[([!^]?)([^\]]{2,}|\]-)(\]|[^*+?]+)|\[)/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var val = m[0];
+      var negated = m[1] ? '^' : '';
+      var inner = m[2] || '';
+      var close = m[3] || '';
+
+      if (isInside && prev.type === 'brace') {
+        prev.text = prev.text || '';
+        prev.text += val;
+      }
+
+      var esc = this.input.slice(0, 2);
+      if (inner === '' && esc === '\\]') {
+        inner += esc;
+        this.consume(2);
+
+        var str = this.input;
+        var idx = -1;
+        var ch;
+
+        while ((ch = str[++idx])) {
+          this.consume(1);
+          if (ch === ']') {
+            close = ch;
+            break;
+          }
+          inner += ch;
+        }
+      }
+
+      return pos(new Node({
+        type: 'bracket',
+        val: val,
+        escaped: close !== ']',
+        negated: negated,
+        inner: inner,
+        close: close
+      }));
+    })
+
+    /**
+     * Empty braces (we capture these early to
+     * speed up processing in the compiler)
+     */
+
+    .set('multiplier', function() {
+      var isInside = this.isInside('brace');
+      var pos = this.position();
+      var m = this.match(/^\{((?:,|\{,+\})+)\}/);
+      if (!m) return;
+
+      this.multiplier = true;
+      var prev = this.prev();
+      var val = m[0];
+
+      if (isInside && prev.type === 'brace') {
+        prev.text = prev.text || '';
+        prev.text += val;
+      }
+
+      var node = pos(new Node({
+        type: 'text',
+        multiplier: 1,
+        match: m,
+        val: val
+      }));
+
+      return concatNodes.call(this, pos, node, prev, options);
+    })
+
+    /**
+     * Open
+     */
+
+    .set('brace.open', function() {
+      var pos = this.position();
+      var m = this.match(/^\{(?!(?:[^\\}]?|,+)\})/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var last = utils.last(prev.nodes);
+
+      // if the last parsed character was an extglob character
+      // we need to _not optimize_ the brace pattern because
+      // it might be mistaken for an extglob by a downstream parser
+      if (last && last.val && isExtglobChar(last.val.slice(-1))) {
+        last.optimize = false;
+      }
+
+      var open = pos(new Node({
+        type: 'brace.open',
+        val: m[0]
+      }));
+
+      var node = pos(new Node({
+        type: 'brace',
+        nodes: []
+      }));
+
+      node.push(open);
+      prev.push(node);
+      this.push('brace', node);
+    })
+
+    /**
+     * Close
+     */
+
+    .set('brace.close', function() {
+      var pos = this.position();
+      var m = this.match(/^\}/);
+      if (!m || !m[0]) return;
+
+      var brace = this.pop('brace');
+      var node = pos(new Node({
+        type: 'brace.close',
+        val: m[0]
+      }));
+
+      if (!this.isType(brace, 'brace')) {
+        if (this.options.strict) {
+          throw new Error('missing opening "{"');
+        }
+        node.type = 'text';
+        node.multiplier = 0;
+        node.escaped = true;
+        return node;
+      }
+
+      var prev = this.prev();
+      var last = utils.last(prev.nodes);
+      if (last.text) {
+        var lastNode = utils.last(last.nodes);
+        if (lastNode.val === ')' && /[!@*?+]\(/.test(last.text)) {
+          var open = last.nodes[0];
+          var text = last.nodes[1];
+          if (open.type === 'brace.open' && text && text.type === 'text') {
+            text.optimize = false;
+          }
+        }
+      }
+
+      if (brace.nodes.length > 2) {
+        var first = brace.nodes[1];
+        if (first.type === 'text' && first.val === ',') {
+          brace.nodes.splice(1, 1);
+          brace.nodes.push(first);
+        }
+      }
+
+      brace.push(node);
+    })
+
+    /**
+     * Capture boundary characters
+     */
+
+    .set('boundary', function() {
+      var pos = this.position();
+      var m = this.match(/^[$^](?!\{)/);
+      if (!m) return;
+      return pos(new Node({
+        type: 'text',
+        val: m[0]
+      }));
+    })
+
+    /**
+     * One or zero, non-comma characters wrapped in braces
+     */
+
+    .set('nobrace', function() {
+      var isInside = this.isInside('brace');
+      var pos = this.position();
+      var m = this.match(/^\{[^,]?\}/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var val = m[0];
+
+      if (isInside && prev.type === 'brace') {
+        prev.text = prev.text || '';
+        prev.text += val;
+      }
+
+      return pos(new Node({
+        type: 'text',
+        multiplier: 0,
+        val: val
+      }));
+    })
+
+    /**
+     * Text
+     */
+
+    .set('text', function() {
+      var isInside = this.isInside('brace');
+      var pos = this.position();
+      var m = this.match(/^((?!\\)[^${}[\]])+/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var val = m[0];
+
+      if (isInside && prev.type === 'brace') {
+        prev.text = prev.text || '';
+        prev.text += val;
+      }
+
+      var node = pos(new Node({
+        type: 'text',
+        multiplier: 1,
+        val: val
+      }));
+
+      return concatNodes.call(this, pos, node, prev, options);
+    });
+};
+
+/**
+ * Returns true if the character is an extglob character.
+ */
+
+function isExtglobChar(ch) {
+  return ch === '!' || ch === '@' || ch === '*' || ch === '?' || ch === '+';
+}
+
+/**
+ * Combine text nodes, and calculate empty sets (`{,,}`)
+ * @param {Function} `pos` Function to calculate node position
+ * @param {Object} `node` AST node
+ * @return {Object}
+ */
+
+function concatNodes(pos, node, parent, options) {
+  node.orig = node.val;
+  var prev = this.prev();
+  var last = utils.last(prev.nodes);
+  var isEscaped = false;
+
+  if (node.val.length > 1) {
+    var a = node.val.charAt(0);
+    var b = node.val.slice(-1);
+
+    isEscaped = (a === '"' && b === '"')
+      || (a === "'" && b === "'")
+      || (a === '`' && b === '`');
+  }
+
+  if (isEscaped && options.unescape !== false) {
+    node.val = node.val.slice(1, node.val.length - 1);
+    node.escaped = true;
+  }
+
+  if (node.match) {
+    var match = node.match[1];
+    if (!match || match.indexOf('}') === -1) {
+      match = node.match[0];
+    }
+
+    // replace each set with a single ","
+    var val = match.replace(/\{/g, ',').replace(/\}/g, '');
+    node.multiplier *= val.length;
+    node.val = '';
+  }
+
+  var simpleText = last.type === 'text'
+    && last.multiplier === 1
+    && node.multiplier === 1
+    && node.val;
+
+  if (simpleText) {
+    last.val += node.val;
+    return;
+  }
+
+  prev.push(node);
+}
diff --git a/node_modules/braces/lib/utils.js b/node_modules/braces/lib/utils.js
new file mode 100644
index 00000000..47166717
--- /dev/null
+++ b/node_modules/braces/lib/utils.js
@@ -0,0 +1,343 @@
+'use strict';
+
+var splitString = require('split-string');
+var utils = module.exports;
+
+/**
+ * Module dependencies
+ */
+
+utils.extend = require('extend-shallow');
+utils.flatten = require('arr-flatten');
+utils.isObject = require('isobject');
+utils.fillRange = require('fill-range');
+utils.repeat = require('repeat-element');
+utils.unique = require('array-unique');
+
+utils.define = function(obj, key, val) {
+  Object.defineProperty(obj, key, {
+    writable: true,
+    configurable: true,
+    enumerable: false,
+    value: val
+  });
+};
+
+/**
+ * Returns true if the given string contains only empty brace sets.
+ */
+
+utils.isEmptySets = function(str) {
+  return /^(?:\{,\})+$/.test(str);
+};
+
+/**
+ * Returns true if the given string contains only empty brace sets.
+ */
+
+utils.isQuotedString = function(str) {
+  var open = str.charAt(0);
+  if (open === '\'' || open === '"' || open === '`') {
+    return str.slice(-1) === open;
+  }
+  return false;
+};
+
+/**
+ * Create the key to use for memoization. The unique key is generated
+ * by iterating over the options and concatenating key-value pairs
+ * to the pattern string.
+ */
+
+utils.createKey = function(pattern, options) {
+  var id = pattern;
+  if (typeof options === 'undefined') {
+    return id;
+  }
+  var keys = Object.keys(options);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    id += ';' + key + '=' + String(options[key]);
+  }
+  return id;
+};
+
+/**
+ * Normalize options
+ */
+
+utils.createOptions = function(options) {
+  var opts = utils.extend.apply(null, arguments);
+  if (typeof opts.expand === 'boolean') {
+    opts.optimize = !opts.expand;
+  }
+  if (typeof opts.optimize === 'boolean') {
+    opts.expand = !opts.optimize;
+  }
+  if (opts.optimize === true) {
+    opts.makeRe = true;
+  }
+  return opts;
+};
+
+/**
+ * Join patterns in `a` to patterns in `b`
+ */
+
+utils.join = function(a, b, options) {
+  options = options || {};
+  a = utils.arrayify(a);
+  b = utils.arrayify(b);
+
+  if (!a.length) return b;
+  if (!b.length) return a;
+
+  var len = a.length;
+  var idx = -1;
+  var arr = [];
+
+  while (++idx < len) {
+    var val = a[idx];
+    if (Array.isArray(val)) {
+      for (var i = 0; i < val.length; i++) {
+        val[i] = utils.join(val[i], b, options);
+      }
+      arr.push(val);
+      continue;
+    }
+
+    for (var j = 0; j < b.length; j++) {
+      var bval = b[j];
+
+      if (Array.isArray(bval)) {
+        arr.push(utils.join(val, bval, options));
+      } else {
+        arr.push(val + bval);
+      }
+    }
+  }
+  return arr;
+};
+
+/**
+ * Split the given string on `,` if not escaped.
+ */
+
+utils.split = function(str, options) {
+  var opts = utils.extend({sep: ','}, options);
+  if (typeof opts.keepQuotes !== 'boolean') {
+    opts.keepQuotes = true;
+  }
+  if (opts.unescape === false) {
+    opts.keepEscaping = true;
+  }
+  return splitString(str, opts, utils.escapeBrackets(opts));
+};
+
+/**
+ * Expand ranges or sets in the given `pattern`.
+ *
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object}
+ */
+
+utils.expand = function(str, options) {
+  var opts = utils.extend({rangeLimit: 10000}, options);
+  var segs = utils.split(str, opts);
+  var tok = { segs: segs };
+
+  if (utils.isQuotedString(str)) {
+    return tok;
+  }
+
+  if (opts.rangeLimit === true) {
+    opts.rangeLimit = 10000;
+  }
+
+  if (segs.length > 1) {
+    if (opts.optimize === false) {
+      tok.val = segs[0];
+      return tok;
+    }
+
+    tok.segs = utils.stringifyArray(tok.segs);
+  } else if (segs.length === 1) {
+    var arr = str.split('..');
+
+    if (arr.length === 1) {
+      tok.val = tok.segs[tok.segs.length - 1] || tok.val || str;
+      tok.segs = [];
+      return tok;
+    }
+
+    if (arr.length === 2 && arr[0] === arr[1]) {
+      tok.escaped = true;
+      tok.val = arr[0];
+      tok.segs = [];
+      return tok;
+    }
+
+    if (arr.length > 1) {
+      if (opts.optimize !== false) {
+        opts.optimize = true;
+        delete opts.expand;
+      }
+
+      if (opts.optimize !== true) {
+        var min = Math.min(arr[0], arr[1]);
+        var max = Math.max(arr[0], arr[1]);
+        var step = arr[2] || 1;
+
+        if (opts.rangeLimit !== false && ((max - min) / step >= opts.rangeLimit)) {
+          throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
+        }
+      }
+
+      arr.push(opts);
+      tok.segs = utils.fillRange.apply(null, arr);
+
+      if (!tok.segs.length) {
+        tok.escaped = true;
+        tok.val = str;
+        return tok;
+      }
+
+      if (opts.optimize === true) {
+        tok.segs = utils.stringifyArray(tok.segs);
+      }
+
+      if (tok.segs === '') {
+        tok.val = str;
+      } else {
+        tok.val = tok.segs[0];
+      }
+      return tok;
+    }
+  } else {
+    tok.val = str;
+  }
+  return tok;
+};
+
+/**
+ * Ensure commas inside brackets and parens are not split.
+ * @param {Object} `tok` Token from the `split-string` module
+ * @return {undefined}
+ */
+
+utils.escapeBrackets = function(options) {
+  return function(tok) {
+    if (tok.escaped && tok.val === 'b') {
+      tok.val = '\\b';
+      return;
+    }
+
+    if (tok.val !== '(' && tok.val !== '[') return;
+    var opts = utils.extend({}, options);
+    var brackets = [];
+    var parens = [];
+    var stack = [];
+    var val = tok.val;
+    var str = tok.str;
+    var i = tok.idx - 1;
+
+    while (++i < str.length) {
+      var ch = str[i];
+
+      if (ch === '\\') {
+        val += (opts.keepEscaping === false ? '' : ch) + str[++i];
+        continue;
+      }
+
+      if (ch === '(') {
+        parens.push(ch);
+        stack.push(ch);
+      }
+
+      if (ch === '[') {
+        brackets.push(ch);
+        stack.push(ch);
+      }
+
+      if (ch === ')') {
+        parens.pop();
+        stack.pop();
+        if (!stack.length) {
+          val += ch;
+          break;
+        }
+      }
+
+      if (ch === ']') {
+        brackets.pop();
+        stack.pop();
+        if (!stack.length) {
+          val += ch;
+          break;
+        }
+      }
+      val += ch;
+    }
+
+    tok.split = false;
+    tok.val = val.slice(1);
+    tok.idx = i;
+  };
+};
+
+/**
+ * Returns true if the given string looks like a regex quantifier
+ * @return {Boolean}
+ */
+
+utils.isQuantifier = function(str) {
+  return /^(?:[0-9]?,[0-9]|[0-9],)$/.test(str);
+};
+
+/**
+ * Cast `val` to an array.
+ * @param {*} `val`
+ */
+
+utils.stringifyArray = function(arr) {
+  return [utils.arrayify(arr).join('|')];
+};
+
+/**
+ * Cast `val` to an array.
+ * @param {*} `val`
+ */
+
+utils.arrayify = function(arr) {
+  if (typeof arr === 'undefined') {
+    return [];
+  }
+  if (typeof arr === 'string') {
+    return [arr];
+  }
+  return arr;
+};
+
+/**
+ * Returns true if the given `str` is a non-empty string
+ * @return {Boolean}
+ */
+
+utils.isString = function(str) {
+  return str != null && typeof str === 'string';
+};
+
+/**
+ * Get the last element from `array`
+ * @param {Array} `array`
+ * @return {*}
+ */
+
+utils.last = function(arr, n) {
+  return arr[arr.length - (n || 1)];
+};
+
+utils.escapeRegex = function(str) {
+  return str.replace(/\\?([!^*?()[\]{}+?/])/g, '\\$1');
+};
diff --git a/node_modules/braces/node_modules/extend-shallow/LICENSE b/node_modules/braces/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/braces/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/braces/node_modules/extend-shallow/README.md b/node_modules/braces/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/braces/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/braces/node_modules/extend-shallow/index.js b/node_modules/braces/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/braces/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/braces/node_modules/extend-shallow/package.json b/node_modules/braces/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/braces/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/braces/node_modules/is-extendable/LICENSE b/node_modules/braces/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/braces/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/braces/node_modules/is-extendable/README.md b/node_modules/braces/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/braces/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/braces/node_modules/is-extendable/index.js b/node_modules/braces/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/braces/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/braces/node_modules/is-extendable/package.json b/node_modules/braces/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/braces/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/braces/package.json b/node_modules/braces/package.json
new file mode 100644
index 00000000..96cbb2b7
--- /dev/null
+++ b/node_modules/braces/package.json
@@ -0,0 +1,108 @@
+{
+  "name": "braces",
+  "description": "Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.",
+  "version": "2.3.2",
+  "homepage": "https://github.com/micromatch/braces",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Elan Shanker (https://github.com/es128)",
+    "Eugene Sharygin (https://github.com/eush77)",
+    "hemanth.hm (http://h3manth.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "micromatch/braces",
+  "bugs": {
+    "url": "https://github.com/micromatch/braces/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "benchmark": "node benchmark"
+  },
+  "dependencies": {
+    "arr-flatten": "^1.1.0",
+    "array-unique": "^0.3.2",
+    "extend-shallow": "^2.0.1",
+    "fill-range": "^4.0.0",
+    "isobject": "^3.0.1",
+    "repeat-element": "^1.1.2",
+    "snapdragon": "^0.8.1",
+    "snapdragon-node": "^2.0.1",
+    "split-string": "^3.0.2",
+    "to-regex": "^3.0.1"
+  },
+  "devDependencies": {
+    "ansi-cyan": "^0.1.1",
+    "benchmarked": "^2.0.0",
+    "brace-expansion": "^1.1.8",
+    "cross-spawn": "^5.1.0",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^4.0.0",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.2",
+    "gulp-mocha": "^3.0.1",
+    "gulp-unused": "^0.2.1",
+    "is-windows": "^1.0.1",
+    "minimatch": "^3.0.4",
+    "mocha": "^3.2.0",
+    "noncharacters": "^1.1.0",
+    "text-table": "^0.2.0",
+    "time-diff": "^0.3.1",
+    "yargs-parser": "^8.0.0"
+  },
+  "keywords": [
+    "alpha",
+    "alphabetical",
+    "bash",
+    "brace",
+    "braces",
+    "expand",
+    "expansion",
+    "filepath",
+    "fill",
+    "fs",
+    "glob",
+    "globbing",
+    "letter",
+    "match",
+    "matches",
+    "matching",
+    "number",
+    "numerical",
+    "path",
+    "range",
+    "ranges",
+    "sh"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "expand-brackets",
+        "extglob",
+        "fill-range",
+        "micromatch",
+        "nanomatch"
+      ]
+    }
+  }
+}
diff --git a/node_modules/brorand/.npmignore b/node_modules/brorand/.npmignore
new file mode 100644
index 00000000..1ca95717
--- /dev/null
+++ b/node_modules/brorand/.npmignore
@@ -0,0 +1,2 @@
+node_modules/
+npm-debug.log
diff --git a/node_modules/brorand/README.md b/node_modules/brorand/README.md
new file mode 100644
index 00000000..f80437d1
--- /dev/null
+++ b/node_modules/brorand/README.md
@@ -0,0 +1,26 @@
+# Brorand
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2014.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/brorand/index.js b/node_modules/brorand/index.js
new file mode 100644
index 00000000..9a0fff4d
--- /dev/null
+++ b/node_modules/brorand/index.js
@@ -0,0 +1,65 @@
+var r;
+
+module.exports = function rand(len) {
+  if (!r)
+    r = new Rand(null);
+
+  return r.generate(len);
+};
+
+function Rand(rand) {
+  this.rand = rand;
+}
+module.exports.Rand = Rand;
+
+Rand.prototype.generate = function generate(len) {
+  return this._rand(len);
+};
+
+// Emulate crypto API using randy
+Rand.prototype._rand = function _rand(n) {
+  if (this.rand.getBytes)
+    return this.rand.getBytes(n);
+
+  var res = new Uint8Array(n);
+  for (var i = 0; i < res.length; i++)
+    res[i] = this.rand.getByte();
+  return res;
+};
+
+if (typeof self === 'object') {
+  if (self.crypto && self.crypto.getRandomValues) {
+    // Modern browsers
+    Rand.prototype._rand = function _rand(n) {
+      var arr = new Uint8Array(n);
+      self.crypto.getRandomValues(arr);
+      return arr;
+    };
+  } else if (self.msCrypto && self.msCrypto.getRandomValues) {
+    // IE
+    Rand.prototype._rand = function _rand(n) {
+      var arr = new Uint8Array(n);
+      self.msCrypto.getRandomValues(arr);
+      return arr;
+    };
+
+  // Safari's WebWorkers do not have `crypto`
+  } else if (typeof window === 'object') {
+    // Old junk
+    Rand.prototype._rand = function() {
+      throw new Error('Not implemented yet');
+    };
+  }
+} else {
+  // Node.js or Web worker with no crypto support
+  try {
+    var crypto = require('crypto');
+    if (typeof crypto.randomBytes !== 'function')
+      throw new Error('Not supported');
+
+    Rand.prototype._rand = function _rand(n) {
+      return crypto.randomBytes(n);
+    };
+  } catch (e) {
+  }
+}
diff --git a/node_modules/brorand/package.json b/node_modules/brorand/package.json
new file mode 100644
index 00000000..f213c9d8
--- /dev/null
+++ b/node_modules/brorand/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "brorand",
+  "version": "1.1.0",
+  "description": "Random number generator for browsers and node.js",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha --reporter=spec test/**/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/brorand"
+  },
+  "keywords": [
+    "Random",
+    "RNG",
+    "browser",
+    "crypto"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/brorand/issues"
+  },
+  "homepage": "https://github.com/indutny/brorand",
+  "devDependencies": {
+    "mocha": "^2.0.1"
+  },
+  "browser": {
+    "crypto": false
+  }
+}
diff --git a/node_modules/brorand/test/api-test.js b/node_modules/brorand/test/api-test.js
new file mode 100644
index 00000000..b6c876d3
--- /dev/null
+++ b/node_modules/brorand/test/api-test.js
@@ -0,0 +1,8 @@
+var brorand = require('../');
+var assert = require('assert');
+
+describe('Brorand', function() {
+  it('should generate random numbers', function() {
+    assert.equal(brorand(100).length, 100);
+  });
+});
diff --git a/node_modules/browserify-aes/.travis.yml b/node_modules/browserify-aes/.travis.yml
new file mode 100644
index 00000000..ccbb2b75
--- /dev/null
+++ b/node_modules/browserify-aes/.travis.yml
@@ -0,0 +1,15 @@
+sudo: false
+language: node_js
+node_js:
+  - "4"
+  - "5"
+  - "6"
+  - "7"
+  - "8"
+matrix:
+  include:
+    - node_js: "7"
+      env: TEST_SUITE=standard
+env:
+  - TEST_SUITE=unit
+script: npm run-script $TEST_SUITE
diff --git a/node_modules/browserify-aes/LICENSE b/node_modules/browserify-aes/LICENSE
new file mode 100644
index 00000000..c6e36b5f
--- /dev/null
+++ b/node_modules/browserify-aes/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017 browserify-aes contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/browserify-aes/README.md b/node_modules/browserify-aes/README.md
new file mode 100644
index 00000000..34fb309f
--- /dev/null
+++ b/node_modules/browserify-aes/README.md
@@ -0,0 +1,19 @@
+# browserify-aes
+[![Build Status](https://travis-ci.org/crypto-browserify/browserify-aes.svg)](https://travis-ci.org/crypto-browserify/browserify-aes)
+
+Node style aes for use in the browser.
+Implements:
+
+ - createCipher
+ - createCipheriv
+ - createDecipher
+ - createDecipheriv
+ - getCiphers
+
+In node.js, the `crypto` implementation is used, in browsers it falls back to a pure JavaScript implementation.
+
+Much of this library has been taken from the aes implementation in [triplesec](https://github.com/keybase/triplesec),  a partial derivation of [crypto-js](https://code.google.com/p/crypto-js/).
+
+`EVP_BytesToKey` is a straight up port of the same function from OpenSSL as there is literally no documenation on it beyond it using 'undocumented extensions' for longer keys.
+
+## LICENSE [MIT](LICENSE)
diff --git a/node_modules/browserify-aes/aes.js b/node_modules/browserify-aes/aes.js
new file mode 100644
index 00000000..ca32ab70
--- /dev/null
+++ b/node_modules/browserify-aes/aes.js
@@ -0,0 +1,228 @@
+// based on the aes implimentation in triple sec
+// https://github.com/keybase/triplesec
+// which is in turn based on the one from crypto-js
+// https://code.google.com/p/crypto-js/
+
+var Buffer = require('safe-buffer').Buffer
+
+function asUInt32Array (buf) {
+  if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf)
+
+  var len = (buf.length / 4) | 0
+  var out = new Array(len)
+
+  for (var i = 0; i < len; i++) {
+    out[i] = buf.readUInt32BE(i * 4)
+  }
+
+  return out
+}
+
+function scrubVec (v) {
+  for (var i = 0; i < v.length; v++) {
+    v[i] = 0
+  }
+}
+
+function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) {
+  var SUB_MIX0 = SUB_MIX[0]
+  var SUB_MIX1 = SUB_MIX[1]
+  var SUB_MIX2 = SUB_MIX[2]
+  var SUB_MIX3 = SUB_MIX[3]
+
+  var s0 = M[0] ^ keySchedule[0]
+  var s1 = M[1] ^ keySchedule[1]
+  var s2 = M[2] ^ keySchedule[2]
+  var s3 = M[3] ^ keySchedule[3]
+  var t0, t1, t2, t3
+  var ksRow = 4
+
+  for (var round = 1; round < nRounds; round++) {
+    t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++]
+    t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++]
+    t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++]
+    t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++]
+    s0 = t0
+    s1 = t1
+    s2 = t2
+    s3 = t3
+  }
+
+  t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]
+  t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]
+  t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]
+  t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]
+  t0 = t0 >>> 0
+  t1 = t1 >>> 0
+  t2 = t2 >>> 0
+  t3 = t3 >>> 0
+
+  return [t0, t1, t2, t3]
+}
+
+// AES constants
+var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]
+var G = (function () {
+  // Compute double table
+  var d = new Array(256)
+  for (var j = 0; j < 256; j++) {
+    if (j < 128) {
+      d[j] = j << 1
+    } else {
+      d[j] = (j << 1) ^ 0x11b
+    }
+  }
+
+  var SBOX = []
+  var INV_SBOX = []
+  var SUB_MIX = [[], [], [], []]
+  var INV_SUB_MIX = [[], [], [], []]
+
+  // Walk GF(2^8)
+  var x = 0
+  var xi = 0
+  for (var i = 0; i < 256; ++i) {
+    // Compute sbox
+    var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4)
+    sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63
+    SBOX[x] = sx
+    INV_SBOX[sx] = x
+
+    // Compute multiplication
+    var x2 = d[x]
+    var x4 = d[x2]
+    var x8 = d[x4]
+
+    // Compute sub bytes, mix columns tables
+    var t = (d[sx] * 0x101) ^ (sx * 0x1010100)
+    SUB_MIX[0][x] = (t << 24) | (t >>> 8)
+    SUB_MIX[1][x] = (t << 16) | (t >>> 16)
+    SUB_MIX[2][x] = (t << 8) | (t >>> 24)
+    SUB_MIX[3][x] = t
+
+    // Compute inv sub bytes, inv mix columns tables
+    t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100)
+    INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8)
+    INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16)
+    INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24)
+    INV_SUB_MIX[3][sx] = t
+
+    if (x === 0) {
+      x = xi = 1
+    } else {
+      x = x2 ^ d[d[d[x8 ^ x2]]]
+      xi ^= d[d[xi]]
+    }
+  }
+
+  return {
+    SBOX: SBOX,
+    INV_SBOX: INV_SBOX,
+    SUB_MIX: SUB_MIX,
+    INV_SUB_MIX: INV_SUB_MIX
+  }
+})()
+
+function AES (key) {
+  this._key = asUInt32Array(key)
+  this._reset()
+}
+
+AES.blockSize = 4 * 4
+AES.keySize = 256 / 8
+AES.prototype.blockSize = AES.blockSize
+AES.prototype.keySize = AES.keySize
+AES.prototype._reset = function () {
+  var keyWords = this._key
+  var keySize = keyWords.length
+  var nRounds = keySize + 6
+  var ksRows = (nRounds + 1) * 4
+
+  var keySchedule = []
+  for (var k = 0; k < keySize; k++) {
+    keySchedule[k] = keyWords[k]
+  }
+
+  for (k = keySize; k < ksRows; k++) {
+    var t = keySchedule[k - 1]
+
+    if (k % keySize === 0) {
+      t = (t << 8) | (t >>> 24)
+      t =
+        (G.SBOX[t >>> 24] << 24) |
+        (G.SBOX[(t >>> 16) & 0xff] << 16) |
+        (G.SBOX[(t >>> 8) & 0xff] << 8) |
+        (G.SBOX[t & 0xff])
+
+      t ^= RCON[(k / keySize) | 0] << 24
+    } else if (keySize > 6 && k % keySize === 4) {
+      t =
+        (G.SBOX[t >>> 24] << 24) |
+        (G.SBOX[(t >>> 16) & 0xff] << 16) |
+        (G.SBOX[(t >>> 8) & 0xff] << 8) |
+        (G.SBOX[t & 0xff])
+    }
+
+    keySchedule[k] = keySchedule[k - keySize] ^ t
+  }
+
+  var invKeySchedule = []
+  for (var ik = 0; ik < ksRows; ik++) {
+    var ksR = ksRows - ik
+    var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)]
+
+    if (ik < 4 || ksR <= 4) {
+      invKeySchedule[ik] = tt
+    } else {
+      invKeySchedule[ik] =
+        G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^
+        G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^
+        G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^
+        G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]]
+    }
+  }
+
+  this._nRounds = nRounds
+  this._keySchedule = keySchedule
+  this._invKeySchedule = invKeySchedule
+}
+
+AES.prototype.encryptBlockRaw = function (M) {
+  M = asUInt32Array(M)
+  return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds)
+}
+
+AES.prototype.encryptBlock = function (M) {
+  var out = this.encryptBlockRaw(M)
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0], 0)
+  buf.writeUInt32BE(out[1], 4)
+  buf.writeUInt32BE(out[2], 8)
+  buf.writeUInt32BE(out[3], 12)
+  return buf
+}
+
+AES.prototype.decryptBlock = function (M) {
+  M = asUInt32Array(M)
+
+  // swap
+  var m1 = M[1]
+  M[1] = M[3]
+  M[3] = m1
+
+  var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds)
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0], 0)
+  buf.writeUInt32BE(out[3], 4)
+  buf.writeUInt32BE(out[2], 8)
+  buf.writeUInt32BE(out[1], 12)
+  return buf
+}
+
+AES.prototype.scrub = function () {
+  scrubVec(this._keySchedule)
+  scrubVec(this._invKeySchedule)
+  scrubVec(this._key)
+}
+
+module.exports.AES = AES
diff --git a/node_modules/browserify-aes/authCipher.js b/node_modules/browserify-aes/authCipher.js
new file mode 100644
index 00000000..c6e8a76c
--- /dev/null
+++ b/node_modules/browserify-aes/authCipher.js
@@ -0,0 +1,117 @@
+var aes = require('./aes')
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('cipher-base')
+var inherits = require('inherits')
+var GHASH = require('./ghash')
+var xor = require('buffer-xor')
+var incr32 = require('./incr32')
+
+function xorTest (a, b) {
+  var out = 0
+  if (a.length !== b.length) out++
+
+  var len = Math.min(a.length, b.length)
+  for (var i = 0; i < len; ++i) {
+    out += (a[i] ^ b[i])
+  }
+
+  return out
+}
+
+function calcIv (self, iv, ck) {
+  if (iv.length === 12) {
+    self._finID = Buffer.concat([iv, Buffer.from([0, 0, 0, 1])])
+    return Buffer.concat([iv, Buffer.from([0, 0, 0, 2])])
+  }
+  var ghash = new GHASH(ck)
+  var len = iv.length
+  var toPad = len % 16
+  ghash.update(iv)
+  if (toPad) {
+    toPad = 16 - toPad
+    ghash.update(Buffer.alloc(toPad, 0))
+  }
+  ghash.update(Buffer.alloc(8, 0))
+  var ivBits = len * 8
+  var tail = Buffer.alloc(8)
+  tail.writeUIntBE(ivBits, 0, 8)
+  ghash.update(tail)
+  self._finID = ghash.state
+  var out = Buffer.from(self._finID)
+  incr32(out)
+  return out
+}
+function StreamCipher (mode, key, iv, decrypt) {
+  Transform.call(this)
+
+  var h = Buffer.alloc(4, 0)
+
+  this._cipher = new aes.AES(key)
+  var ck = this._cipher.encryptBlock(h)
+  this._ghash = new GHASH(ck)
+  iv = calcIv(this, iv, ck)
+
+  this._prev = Buffer.from(iv)
+  this._cache = Buffer.allocUnsafe(0)
+  this._secCache = Buffer.allocUnsafe(0)
+  this._decrypt = decrypt
+  this._alen = 0
+  this._len = 0
+  this._mode = mode
+
+  this._authTag = null
+  this._called = false
+}
+
+inherits(StreamCipher, Transform)
+
+StreamCipher.prototype._update = function (chunk) {
+  if (!this._called && this._alen) {
+    var rump = 16 - (this._alen % 16)
+    if (rump < 16) {
+      rump = Buffer.alloc(rump, 0)
+      this._ghash.update(rump)
+    }
+  }
+
+  this._called = true
+  var out = this._mode.encrypt(this, chunk)
+  if (this._decrypt) {
+    this._ghash.update(chunk)
+  } else {
+    this._ghash.update(out)
+  }
+  this._len += chunk.length
+  return out
+}
+
+StreamCipher.prototype._final = function () {
+  if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data')
+
+  var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID))
+  if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data')
+
+  this._authTag = tag
+  this._cipher.scrub()
+}
+
+StreamCipher.prototype.getAuthTag = function getAuthTag () {
+  if (this._decrypt || !Buffer.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state')
+
+  return this._authTag
+}
+
+StreamCipher.prototype.setAuthTag = function setAuthTag (tag) {
+  if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state')
+
+  this._authTag = tag
+}
+
+StreamCipher.prototype.setAAD = function setAAD (buf) {
+  if (this._called) throw new Error('Attempting to set AAD in unsupported state')
+
+  this._ghash.update(buf)
+  this._alen += buf.length
+}
+
+module.exports = StreamCipher
diff --git a/node_modules/browserify-aes/browser.js b/node_modules/browserify-aes/browser.js
new file mode 100644
index 00000000..d47a5f69
--- /dev/null
+++ b/node_modules/browserify-aes/browser.js
@@ -0,0 +1,13 @@
+var ciphers = require('./encrypter')
+var deciphers = require('./decrypter')
+var modes = require('./modes/list.json')
+
+function getCiphers () {
+  return Object.keys(modes)
+}
+
+exports.createCipher = exports.Cipher = ciphers.createCipher
+exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv
+exports.createDecipher = exports.Decipher = deciphers.createDecipher
+exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv
+exports.listCiphers = exports.getCiphers = getCiphers
diff --git a/node_modules/browserify-aes/decrypter.js b/node_modules/browserify-aes/decrypter.js
new file mode 100644
index 00000000..740b2e6f
--- /dev/null
+++ b/node_modules/browserify-aes/decrypter.js
@@ -0,0 +1,124 @@
+var AuthCipher = require('./authCipher')
+var Buffer = require('safe-buffer').Buffer
+var MODES = require('./modes')
+var StreamCipher = require('./streamCipher')
+var Transform = require('cipher-base')
+var aes = require('./aes')
+var ebtk = require('evp_bytestokey')
+var inherits = require('inherits')
+
+function Decipher (mode, key, iv) {
+  Transform.call(this)
+
+  this._cache = new Splitter()
+  this._last = void 0
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._mode = mode
+  this._autopadding = true
+}
+
+inherits(Decipher, Transform)
+
+Decipher.prototype._update = function (data) {
+  this._cache.add(data)
+  var chunk
+  var thing
+  var out = []
+  while ((chunk = this._cache.get(this._autopadding))) {
+    thing = this._mode.decrypt(this, chunk)
+    out.push(thing)
+  }
+  return Buffer.concat(out)
+}
+
+Decipher.prototype._final = function () {
+  var chunk = this._cache.flush()
+  if (this._autopadding) {
+    return unpad(this._mode.decrypt(this, chunk))
+  } else if (chunk) {
+    throw new Error('data not multiple of block length')
+  }
+}
+
+Decipher.prototype.setAutoPadding = function (setTo) {
+  this._autopadding = !!setTo
+  return this
+}
+
+function Splitter () {
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+Splitter.prototype.add = function (data) {
+  this.cache = Buffer.concat([this.cache, data])
+}
+
+Splitter.prototype.get = function (autoPadding) {
+  var out
+  if (autoPadding) {
+    if (this.cache.length > 16) {
+      out = this.cache.slice(0, 16)
+      this.cache = this.cache.slice(16)
+      return out
+    }
+  } else {
+    if (this.cache.length >= 16) {
+      out = this.cache.slice(0, 16)
+      this.cache = this.cache.slice(16)
+      return out
+    }
+  }
+
+  return null
+}
+
+Splitter.prototype.flush = function () {
+  if (this.cache.length) return this.cache
+}
+
+function unpad (last) {
+  var padded = last[15]
+  if (padded < 1 || padded > 16) {
+    throw new Error('unable to decrypt data')
+  }
+  var i = -1
+  while (++i < padded) {
+    if (last[(i + (16 - padded))] !== padded) {
+      throw new Error('unable to decrypt data')
+    }
+  }
+  if (padded === 16) return
+
+  return last.slice(0, 16 - padded)
+}
+
+function createDecipheriv (suite, password, iv) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  if (typeof iv === 'string') iv = Buffer.from(iv)
+  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)
+
+  if (typeof password === 'string') password = Buffer.from(password)
+  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)
+
+  if (config.type === 'stream') {
+    return new StreamCipher(config.module, password, iv, true)
+  } else if (config.type === 'auth') {
+    return new AuthCipher(config.module, password, iv, true)
+  }
+
+  return new Decipher(config.module, password, iv)
+}
+
+function createDecipher (suite, password) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  var keys = ebtk(password, false, config.key, config.iv)
+  return createDecipheriv(suite, keys.key, keys.iv)
+}
+
+exports.createDecipher = createDecipher
+exports.createDecipheriv = createDecipheriv
diff --git a/node_modules/browserify-aes/encrypter.js b/node_modules/browserify-aes/encrypter.js
new file mode 100644
index 00000000..0c4c58bc
--- /dev/null
+++ b/node_modules/browserify-aes/encrypter.js
@@ -0,0 +1,114 @@
+var MODES = require('./modes')
+var AuthCipher = require('./authCipher')
+var Buffer = require('safe-buffer').Buffer
+var StreamCipher = require('./streamCipher')
+var Transform = require('cipher-base')
+var aes = require('./aes')
+var ebtk = require('evp_bytestokey')
+var inherits = require('inherits')
+
+function Cipher (mode, key, iv) {
+  Transform.call(this)
+
+  this._cache = new Splitter()
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._mode = mode
+  this._autopadding = true
+}
+
+inherits(Cipher, Transform)
+
+Cipher.prototype._update = function (data) {
+  this._cache.add(data)
+  var chunk
+  var thing
+  var out = []
+
+  while ((chunk = this._cache.get())) {
+    thing = this._mode.encrypt(this, chunk)
+    out.push(thing)
+  }
+
+  return Buffer.concat(out)
+}
+
+var PADDING = Buffer.alloc(16, 0x10)
+
+Cipher.prototype._final = function () {
+  var chunk = this._cache.flush()
+  if (this._autopadding) {
+    chunk = this._mode.encrypt(this, chunk)
+    this._cipher.scrub()
+    return chunk
+  }
+
+  if (!chunk.equals(PADDING)) {
+    this._cipher.scrub()
+    throw new Error('data not multiple of block length')
+  }
+}
+
+Cipher.prototype.setAutoPadding = function (setTo) {
+  this._autopadding = !!setTo
+  return this
+}
+
+function Splitter () {
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+Splitter.prototype.add = function (data) {
+  this.cache = Buffer.concat([this.cache, data])
+}
+
+Splitter.prototype.get = function () {
+  if (this.cache.length > 15) {
+    var out = this.cache.slice(0, 16)
+    this.cache = this.cache.slice(16)
+    return out
+  }
+  return null
+}
+
+Splitter.prototype.flush = function () {
+  var len = 16 - this.cache.length
+  var padBuff = Buffer.allocUnsafe(len)
+
+  var i = -1
+  while (++i < len) {
+    padBuff.writeUInt8(len, i)
+  }
+
+  return Buffer.concat([this.cache, padBuff])
+}
+
+function createCipheriv (suite, password, iv) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  if (typeof password === 'string') password = Buffer.from(password)
+  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)
+
+  if (typeof iv === 'string') iv = Buffer.from(iv)
+  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)
+
+  if (config.type === 'stream') {
+    return new StreamCipher(config.module, password, iv)
+  } else if (config.type === 'auth') {
+    return new AuthCipher(config.module, password, iv)
+  }
+
+  return new Cipher(config.module, password, iv)
+}
+
+function createCipher (suite, password) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  var keys = ebtk(password, false, config.key, config.iv)
+  return createCipheriv(suite, keys.key, keys.iv)
+}
+
+exports.createCipheriv = createCipheriv
+exports.createCipher = createCipher
diff --git a/node_modules/browserify-aes/ghash.js b/node_modules/browserify-aes/ghash.js
new file mode 100644
index 00000000..26bfeddd
--- /dev/null
+++ b/node_modules/browserify-aes/ghash.js
@@ -0,0 +1,89 @@
+var Buffer = require('safe-buffer').Buffer
+var ZEROES = Buffer.alloc(16, 0)
+
+function toArray (buf) {
+  return [
+    buf.readUInt32BE(0),
+    buf.readUInt32BE(4),
+    buf.readUInt32BE(8),
+    buf.readUInt32BE(12)
+  ]
+}
+
+function fromArray (out) {
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0] >>> 0, 0)
+  buf.writeUInt32BE(out[1] >>> 0, 4)
+  buf.writeUInt32BE(out[2] >>> 0, 8)
+  buf.writeUInt32BE(out[3] >>> 0, 12)
+  return buf
+}
+
+function GHASH (key) {
+  this.h = key
+  this.state = Buffer.alloc(16, 0)
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html
+// by Juho Vähä-Herttua
+GHASH.prototype.ghash = function (block) {
+  var i = -1
+  while (++i < block.length) {
+    this.state[i] ^= block[i]
+  }
+  this._multiply()
+}
+
+GHASH.prototype._multiply = function () {
+  var Vi = toArray(this.h)
+  var Zi = [0, 0, 0, 0]
+  var j, xi, lsbVi
+  var i = -1
+  while (++i < 128) {
+    xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0
+    if (xi) {
+      // Z_i+1 = Z_i ^ V_i
+      Zi[0] ^= Vi[0]
+      Zi[1] ^= Vi[1]
+      Zi[2] ^= Vi[2]
+      Zi[3] ^= Vi[3]
+    }
+
+    // Store the value of LSB(V_i)
+    lsbVi = (Vi[3] & 1) !== 0
+
+    // V_i+1 = V_i >> 1
+    for (j = 3; j > 0; j--) {
+      Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31)
+    }
+    Vi[0] = Vi[0] >>> 1
+
+    // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R
+    if (lsbVi) {
+      Vi[0] = Vi[0] ^ (0xe1 << 24)
+    }
+  }
+  this.state = fromArray(Zi)
+}
+
+GHASH.prototype.update = function (buf) {
+  this.cache = Buffer.concat([this.cache, buf])
+  var chunk
+  while (this.cache.length >= 16) {
+    chunk = this.cache.slice(0, 16)
+    this.cache = this.cache.slice(16)
+    this.ghash(chunk)
+  }
+}
+
+GHASH.prototype.final = function (abl, bl) {
+  if (this.cache.length) {
+    this.ghash(Buffer.concat([this.cache, ZEROES], 16))
+  }
+
+  this.ghash(fromArray([0, abl, 0, bl]))
+  return this.state
+}
+
+module.exports = GHASH
diff --git a/node_modules/browserify-aes/incr32.js b/node_modules/browserify-aes/incr32.js
new file mode 100644
index 00000000..c1a90893
--- /dev/null
+++ b/node_modules/browserify-aes/incr32.js
@@ -0,0 +1,15 @@
+function incr32 (iv) {
+  var len = iv.length
+  var item
+  while (len--) {
+    item = iv.readUInt8(len)
+    if (item === 255) {
+      iv.writeUInt8(0, len)
+    } else {
+      item++
+      iv.writeUInt8(item, len)
+      break
+    }
+  }
+}
+module.exports = incr32
diff --git a/node_modules/browserify-aes/index.js b/node_modules/browserify-aes/index.js
new file mode 100644
index 00000000..58fa883f
--- /dev/null
+++ b/node_modules/browserify-aes/index.js
@@ -0,0 +1,7 @@
+var crypto = require('crypto')
+
+exports.createCipher = exports.Cipher = crypto.createCipher
+exports.createCipheriv = exports.Cipheriv = crypto.createCipheriv
+exports.createDecipher = exports.Decipher = crypto.createDecipher
+exports.createDecipheriv = exports.Decipheriv = crypto.createDecipheriv
+exports.listCiphers = exports.getCiphers = crypto.getCiphers
diff --git a/node_modules/browserify-aes/modes/cbc.js b/node_modules/browserify-aes/modes/cbc.js
new file mode 100644
index 00000000..b133e406
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cbc.js
@@ -0,0 +1,17 @@
+var xor = require('buffer-xor')
+
+exports.encrypt = function (self, block) {
+  var data = xor(block, self._prev)
+
+  self._prev = self._cipher.encryptBlock(data)
+  return self._prev
+}
+
+exports.decrypt = function (self, block) {
+  var pad = self._prev
+
+  self._prev = block
+  var out = self._cipher.decryptBlock(block)
+
+  return xor(out, pad)
+}
diff --git a/node_modules/browserify-aes/modes/cfb.js b/node_modules/browserify-aes/modes/cfb.js
new file mode 100644
index 00000000..03b2ee9c
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cfb.js
@@ -0,0 +1,33 @@
+var Buffer = require('safe-buffer').Buffer
+var xor = require('buffer-xor')
+
+function encryptStart (self, data, decrypt) {
+  var len = data.length
+  var out = xor(data, self._cache)
+  self._cache = self._cache.slice(len)
+  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
+  return out
+}
+
+exports.encrypt = function (self, data, decrypt) {
+  var out = Buffer.allocUnsafe(0)
+  var len
+
+  while (data.length) {
+    if (self._cache.length === 0) {
+      self._cache = self._cipher.encryptBlock(self._prev)
+      self._prev = Buffer.allocUnsafe(0)
+    }
+
+    if (self._cache.length <= data.length) {
+      len = self._cache.length
+      out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)])
+      data = data.slice(len)
+    } else {
+      out = Buffer.concat([out, encryptStart(self, data, decrypt)])
+      break
+    }
+  }
+
+  return out
+}
diff --git a/node_modules/browserify-aes/modes/cfb1.js b/node_modules/browserify-aes/modes/cfb1.js
new file mode 100644
index 00000000..0ed13663
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cfb1.js
@@ -0,0 +1,42 @@
+var Buffer = require('safe-buffer').Buffer
+
+function encryptByte (self, byteParam, decrypt) {
+  var pad
+  var i = -1
+  var len = 8
+  var out = 0
+  var bit, value
+  while (++i < len) {
+    pad = self._cipher.encryptBlock(self._prev)
+    bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0
+    value = pad[0] ^ bit
+    out += ((value & 0x80) >> (i % 8))
+    self._prev = shiftIn(self._prev, decrypt ? bit : value)
+  }
+  return out
+}
+
+function shiftIn (buffer, value) {
+  var len = buffer.length
+  var i = -1
+  var out = Buffer.allocUnsafe(buffer.length)
+  buffer = Buffer.concat([buffer, Buffer.from([value])])
+
+  while (++i < len) {
+    out[i] = buffer[i] << 1 | buffer[i + 1] >> (7)
+  }
+
+  return out
+}
+
+exports.encrypt = function (self, chunk, decrypt) {
+  var len = chunk.length
+  var out = Buffer.allocUnsafe(len)
+  var i = -1
+
+  while (++i < len) {
+    out[i] = encryptByte(self, chunk[i], decrypt)
+  }
+
+  return out
+}
diff --git a/node_modules/browserify-aes/modes/cfb8.js b/node_modules/browserify-aes/modes/cfb8.js
new file mode 100644
index 00000000..c0708f95
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cfb8.js
@@ -0,0 +1,25 @@
+var Buffer = require('safe-buffer').Buffer
+
+function encryptByte (self, byteParam, decrypt) {
+  var pad = self._cipher.encryptBlock(self._prev)
+  var out = pad[0] ^ byteParam
+
+  self._prev = Buffer.concat([
+    self._prev.slice(1),
+    Buffer.from([decrypt ? byteParam : out])
+  ])
+
+  return out
+}
+
+exports.encrypt = function (self, chunk, decrypt) {
+  var len = chunk.length
+  var out = Buffer.allocUnsafe(len)
+  var i = -1
+
+  while (++i < len) {
+    out[i] = encryptByte(self, chunk[i], decrypt)
+  }
+
+  return out
+}
diff --git a/node_modules/browserify-aes/modes/ctr.js b/node_modules/browserify-aes/modes/ctr.js
new file mode 100644
index 00000000..e68f13c2
--- /dev/null
+++ b/node_modules/browserify-aes/modes/ctr.js
@@ -0,0 +1,30 @@
+var xor = require('buffer-xor')
+var Buffer = require('safe-buffer').Buffer
+var incr32 = require('../incr32')
+
+function getBlock (self) {
+  var out = self._cipher.encryptBlockRaw(self._prev)
+  incr32(self._prev)
+  return out
+}
+
+var blockSize = 16
+exports.encrypt = function (self, chunk) {
+  var chunkNum = Math.ceil(chunk.length / blockSize)
+  var start = self._cache.length
+  self._cache = Buffer.concat([
+    self._cache,
+    Buffer.allocUnsafe(chunkNum * blockSize)
+  ])
+  for (var i = 0; i < chunkNum; i++) {
+    var out = getBlock(self)
+    var offset = start + i * blockSize
+    self._cache.writeUInt32BE(out[0], offset + 0)
+    self._cache.writeUInt32BE(out[1], offset + 4)
+    self._cache.writeUInt32BE(out[2], offset + 8)
+    self._cache.writeUInt32BE(out[3], offset + 12)
+  }
+  var pad = self._cache.slice(0, chunk.length)
+  self._cache = self._cache.slice(chunk.length)
+  return xor(chunk, pad)
+}
diff --git a/node_modules/browserify-aes/modes/ecb.js b/node_modules/browserify-aes/modes/ecb.js
new file mode 100644
index 00000000..49dfb1e2
--- /dev/null
+++ b/node_modules/browserify-aes/modes/ecb.js
@@ -0,0 +1,7 @@
+exports.encrypt = function (self, block) {
+  return self._cipher.encryptBlock(block)
+}
+
+exports.decrypt = function (self, block) {
+  return self._cipher.decryptBlock(block)
+}
diff --git a/node_modules/browserify-aes/modes/index.js b/node_modules/browserify-aes/modes/index.js
new file mode 100644
index 00000000..767d6cb9
--- /dev/null
+++ b/node_modules/browserify-aes/modes/index.js
@@ -0,0 +1,18 @@
+var modeModules = {
+  ECB: require('./ecb'),
+  CBC: require('./cbc'),
+  CFB: require('./cfb'),
+  CFB8: require('./cfb8'),
+  CFB1: require('./cfb1'),
+  OFB: require('./ofb'),
+  CTR: require('./ctr'),
+  GCM: require('./ctr')
+}
+
+var modes = require('./list.json')
+
+for (var key in modes) {
+  modes[key].module = modeModules[modes[key].mode]
+}
+
+module.exports = modes
diff --git a/node_modules/browserify-aes/modes/list.json b/node_modules/browserify-aes/modes/list.json
new file mode 100644
index 00000000..33de25bd
--- /dev/null
+++ b/node_modules/browserify-aes/modes/list.json
@@ -0,0 +1,191 @@
+{
+  "aes-128-ecb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-192-ecb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-256-ecb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-128-cbc": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-192-cbc": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-256-cbc": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes128": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes192": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes256": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-128-cfb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-192-cfb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-256-cfb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-128-cfb8": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-192-cfb8": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-256-cfb8": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-128-cfb1": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-192-cfb1": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-256-cfb1": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-128-ofb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-192-ofb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-256-ofb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-128-ctr": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-192-ctr": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-256-ctr": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-128-gcm": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  },
+  "aes-192-gcm": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  },
+  "aes-256-gcm": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  }
+}
diff --git a/node_modules/browserify-aes/modes/ofb.js b/node_modules/browserify-aes/modes/ofb.js
new file mode 100644
index 00000000..bd875589
--- /dev/null
+++ b/node_modules/browserify-aes/modes/ofb.js
@@ -0,0 +1,16 @@
+var xor = require('buffer-xor')
+
+function getBlock (self) {
+  self._prev = self._cipher.encryptBlock(self._prev)
+  return self._prev
+}
+
+exports.encrypt = function (self, chunk) {
+  while (self._cache.length < chunk.length) {
+    self._cache = Buffer.concat([self._cache, getBlock(self)])
+  }
+
+  var pad = self._cache.slice(0, chunk.length)
+  self._cache = self._cache.slice(chunk.length)
+  return xor(chunk, pad)
+}
diff --git a/node_modules/browserify-aes/package.json b/node_modules/browserify-aes/package.json
new file mode 100644
index 00000000..ff26b872
--- /dev/null
+++ b/node_modules/browserify-aes/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "browserify-aes",
+  "version": "1.2.0",
+  "description": "aes, for browserify",
+  "browser": "browser.js",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "standard": "standard",
+    "unit": "node test/index.js | tspec",
+    "test": "npm run standard && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/crypto-browserify/browserify-aes.git"
+  },
+  "keywords": [
+    "aes",
+    "crypto",
+    "browserify"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/browserify-aes/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/browserify-aes",
+  "dependencies": {
+    "buffer-xor": "^1.0.3",
+    "cipher-base": "^1.0.0",
+    "create-hash": "^1.1.0",
+    "evp_bytestokey": "^1.0.3",
+    "inherits": "^2.0.1",
+    "safe-buffer": "^5.0.1"
+  },
+  "devDependencies": {
+    "standard": "^9.0.0",
+    "tap-spec": "^4.1.1",
+    "tape": "^4.6.3"
+  }
+}
diff --git a/node_modules/browserify-aes/streamCipher.js b/node_modules/browserify-aes/streamCipher.js
new file mode 100644
index 00000000..1877fa09
--- /dev/null
+++ b/node_modules/browserify-aes/streamCipher.js
@@ -0,0 +1,27 @@
+var aes = require('./aes')
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('cipher-base')
+var inherits = require('inherits')
+
+function StreamCipher (mode, key, iv, decrypt) {
+  Transform.call(this)
+
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._cache = Buffer.allocUnsafe(0)
+  this._secCache = Buffer.allocUnsafe(0)
+  this._decrypt = decrypt
+  this._mode = mode
+}
+
+inherits(StreamCipher, Transform)
+
+StreamCipher.prototype._update = function (chunk) {
+  return this._mode.encrypt(this, chunk, this._decrypt)
+}
+
+StreamCipher.prototype._final = function () {
+  this._cipher.scrub()
+}
+
+module.exports = StreamCipher
diff --git a/node_modules/browserify-cipher/.travis.yml b/node_modules/browserify-cipher/.travis.yml
new file mode 100644
index 00000000..ad7554ba
--- /dev/null
+++ b/node_modules/browserify-cipher/.travis.yml
@@ -0,0 +1,14 @@
+sudo: false
+language: node_js
+node_js:
+  - "4"
+  - "5"
+  - "6"
+  - "7"
+matrix:
+  include:
+    - node_js: "7"
+      env: TEST_SUITE=standard
+env:
+  - TEST_SUITE=unit
+script: npm run-script $TEST_SUITE
diff --git a/node_modules/browserify-cipher/LICENSE b/node_modules/browserify-cipher/LICENSE
new file mode 100644
index 00000000..a49f0626
--- /dev/null
+++ b/node_modules/browserify-cipher/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017 Calvin Metcalf & contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/browserify-cipher/README.md b/node_modules/browserify-cipher/README.md
new file mode 100644
index 00000000..3c0b1576
--- /dev/null
+++ b/node_modules/browserify-cipher/README.md
@@ -0,0 +1,7 @@
+browserify-cipher
+===
+
+[![Build Status](https://travis-ci.org/crypto-browserify/browserify-cipher.svg)](https://travis-ci.org/crypto-browserify/browserify-cipher)
+
+Provides createCipher, createDecipher, createCipheriv, createDecipheriv and
+getCiphers for the browserify.  Includes AES and DES ciphers.
diff --git a/node_modules/browserify-cipher/browser.js b/node_modules/browserify-cipher/browser.js
new file mode 100644
index 00000000..444825b2
--- /dev/null
+++ b/node_modules/browserify-cipher/browser.js
@@ -0,0 +1,67 @@
+var DES = require('browserify-des')
+var aes = require('browserify-aes/browser')
+var aesModes = require('browserify-aes/modes')
+var desModes = require('browserify-des/modes')
+var ebtk = require('evp_bytestokey')
+
+function createCipher (suite, password) {
+  suite = suite.toLowerCase()
+
+  var keyLen, ivLen
+  if (aesModes[suite]) {
+    keyLen = aesModes[suite].key
+    ivLen = aesModes[suite].iv
+  } else if (desModes[suite]) {
+    keyLen = desModes[suite].key * 8
+    ivLen = desModes[suite].iv
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+
+  var keys = ebtk(password, false, keyLen, ivLen)
+  return createCipheriv(suite, keys.key, keys.iv)
+}
+
+function createDecipher (suite, password) {
+  suite = suite.toLowerCase()
+
+  var keyLen, ivLen
+  if (aesModes[suite]) {
+    keyLen = aesModes[suite].key
+    ivLen = aesModes[suite].iv
+  } else if (desModes[suite]) {
+    keyLen = desModes[suite].key * 8
+    ivLen = desModes[suite].iv
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+
+  var keys = ebtk(password, false, keyLen, ivLen)
+  return createDecipheriv(suite, keys.key, keys.iv)
+}
+
+function createCipheriv (suite, key, iv) {
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) return aes.createCipheriv(suite, key, iv)
+  if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite })
+
+  throw new TypeError('invalid suite type')
+}
+
+function createDecipheriv (suite, key, iv) {
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) return aes.createDecipheriv(suite, key, iv)
+  if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite, decrypt: true })
+
+  throw new TypeError('invalid suite type')
+}
+
+function getCiphers () {
+  return Object.keys(desModes).concat(aes.getCiphers())
+}
+
+exports.createCipher = exports.Cipher = createCipher
+exports.createCipheriv = exports.Cipheriv = createCipheriv
+exports.createDecipher = exports.Decipher = createDecipher
+exports.createDecipheriv = exports.Decipheriv = createDecipheriv
+exports.listCiphers = exports.getCiphers = getCiphers
diff --git a/node_modules/browserify-cipher/index.js b/node_modules/browserify-cipher/index.js
new file mode 100644
index 00000000..58fa883f
--- /dev/null
+++ b/node_modules/browserify-cipher/index.js
@@ -0,0 +1,7 @@
+var crypto = require('crypto')
+
+exports.createCipher = exports.Cipher = crypto.createCipher
+exports.createCipheriv = exports.Cipheriv = crypto.createCipheriv
+exports.createDecipher = exports.Decipher = crypto.createDecipher
+exports.createDecipheriv = exports.Decipheriv = crypto.createDecipheriv
+exports.listCiphers = exports.getCiphers = crypto.getCiphers
diff --git a/node_modules/browserify-cipher/package.json b/node_modules/browserify-cipher/package.json
new file mode 100644
index 00000000..7bdf2a6a
--- /dev/null
+++ b/node_modules/browserify-cipher/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "browserify-cipher",
+  "version": "1.0.1",
+  "description": "ciphers for the browser",
+  "main": "index.js",
+  "dependencies": {
+    "browserify-aes": "^1.0.4",
+    "browserify-des": "^1.0.0",
+    "evp_bytestokey": "^1.0.0"
+  },
+  "browser": "browser.js",
+  "devDependencies": {
+    "standard": "^10.0.2",
+    "tap-spec": "^4.1.0",
+    "tape": "^4.2.0"
+  },
+  "scripts": {
+    "test": "standard && node test.js | tspec"
+  },
+  "author": "Calvin Metcalf <calvin.metcalf@gmail.com>",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:crypto-browserify/browserify-cipher.git"
+  }
+}
diff --git a/node_modules/browserify-cipher/test.js b/node_modules/browserify-cipher/test.js
new file mode 100644
index 00000000..d4beaa0f
--- /dev/null
+++ b/node_modules/browserify-cipher/test.js
@@ -0,0 +1,55 @@
+var test = require('tape')
+var crypto = require('crypto')
+var desModes = require('browserify-des/modes')
+var aesModes = require('browserify-aes/modes')
+var ourCrypto = require('./browser')
+
+function runIvTest (mode, keyLen, ivLen) {
+  test('mode: ' + mode, function (t) {
+    var i = 0
+    while (++i < 10) {
+      run(i)
+    }
+    function run (i) {
+      t.test('run: ' + i, function (t) {
+        t.plan(2)
+        var key = crypto.randomBytes(keyLen)
+        var iv = crypto.randomBytes(ivLen)
+        var text = crypto.randomBytes(200)
+        var ourEncrypt
+        try {
+          ourEncrypt = ourCrypto.createCipheriv(mode, key, iv)
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var nodeEncrypt
+        try {
+          nodeEncrypt = crypto.createCipheriv(mode, key, iv)
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var ourCipherText = Buffer.concat([ourEncrypt.update(text), ourEncrypt.final()])
+        var authTag
+        if (mode.slice(-3) === 'gcm') {
+          authTag = ourEncrypt.getAuthTag()
+        }
+        var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
+        t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
+        var ourDecrypt = ourCrypto.createDecipheriv(mode, key, iv)
+        if (mode.slice(-3) === 'gcm') {
+          ourDecrypt.setAuthTag(authTag)
+        }
+        var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
+        t.equals(text.toString('hex'), plainText.toString('hex'))
+      })
+    }
+  })
+}
+Object.keys(aesModes).forEach(function (modeName) {
+  var mode = aesModes[modeName]
+  runIvTest(modeName, mode.key / 8, mode.iv)
+})
+Object.keys(desModes).forEach(function (modeName) {
+  var mode = desModes[modeName]
+  runIvTest(modeName, mode.key, mode.iv)
+})
diff --git a/node_modules/browserify-des/.travis.yml b/node_modules/browserify-des/.travis.yml
new file mode 100644
index 00000000..a9657837
--- /dev/null
+++ b/node_modules/browserify-des/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "0.11"
+  - "0.10"
+  - "0.12"
+  - "4"
+  - "6"
+  - "10"
diff --git a/node_modules/browserify-des/index.js b/node_modules/browserify-des/index.js
new file mode 100644
index 00000000..f6943674
--- /dev/null
+++ b/node_modules/browserify-des/index.js
@@ -0,0 +1,50 @@
+var CipherBase = require('cipher-base')
+var des = require('des.js')
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
+
+var modes = {
+  'des-ede3-cbc': des.CBC.instantiate(des.EDE),
+  'des-ede3': des.EDE,
+  'des-ede-cbc': des.CBC.instantiate(des.EDE),
+  'des-ede': des.EDE,
+  'des-cbc': des.CBC.instantiate(des.DES),
+  'des-ecb': des.DES
+}
+modes.des = modes['des-cbc']
+modes.des3 = modes['des-ede3-cbc']
+module.exports = DES
+inherits(DES, CipherBase)
+function DES (opts) {
+  CipherBase.call(this)
+  var modeName = opts.mode.toLowerCase()
+  var mode = modes[modeName]
+  var type
+  if (opts.decrypt) {
+    type = 'decrypt'
+  } else {
+    type = 'encrypt'
+  }
+  var key = opts.key
+  if (!Buffer.isBuffer(key)) {
+    key = Buffer.from(key)
+  }
+  if (modeName === 'des-ede' || modeName === 'des-ede-cbc') {
+    key = Buffer.concat([key, key.slice(0, 8)])
+  }
+  var iv = opts.iv
+  if (!Buffer.isBuffer(iv)) {
+    iv = Buffer.from(iv)
+  }
+  this._des = mode.create({
+    key: key,
+    iv: iv,
+    type: type
+  })
+}
+DES.prototype._update = function (data) {
+  return Buffer.from(this._des.update(data))
+}
+DES.prototype._final = function () {
+  return Buffer.from(this._des.final())
+}
diff --git a/node_modules/browserify-des/license b/node_modules/browserify-des/license
new file mode 100644
index 00000000..798de7dd
--- /dev/null
+++ b/node_modules/browserify-des/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017 Calvin Metcalf, Fedor Indutny & contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/browserify-des/modes.js b/node_modules/browserify-des/modes.js
new file mode 100644
index 00000000..72f308de
--- /dev/null
+++ b/node_modules/browserify-des/modes.js
@@ -0,0 +1,24 @@
+exports['des-ecb'] = {
+  key: 8,
+  iv: 0
+}
+exports['des-cbc'] = exports.des = {
+  key: 8,
+  iv: 8
+}
+exports['des-ede3-cbc'] = exports.des3 = {
+  key: 24,
+  iv: 8
+}
+exports['des-ede3'] = {
+  key: 24,
+  iv: 0
+}
+exports['des-ede-cbc'] = {
+  key: 16,
+  iv: 8
+}
+exports['des-ede'] = {
+  key: 16,
+  iv: 0
+}
diff --git a/node_modules/browserify-des/package.json b/node_modules/browserify-des/package.json
new file mode 100644
index 00000000..fa46daa5
--- /dev/null
+++ b/node_modules/browserify-des/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "browserify-des",
+  "version": "1.0.2",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && node test.js | tspec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/crypto-browserify/browserify-des.git"
+  },
+  "author": "Calvin Metcalf <calvin.metcalf@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/browserify-des/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/browserify-des#readme",
+  "dependencies": {
+    "cipher-base": "^1.0.1",
+    "des.js": "^1.0.0",
+    "inherits": "^2.0.1",
+    "safe-buffer": "^5.1.2"
+  },
+  "devDependencies": {
+    "standard": "^5.3.1",
+    "tap-spec": "^4.1.0",
+    "tape": "^4.2.0"
+  }
+}
diff --git a/node_modules/browserify-des/readme.md b/node_modules/browserify-des/readme.md
new file mode 100644
index 00000000..b9b469d3
--- /dev/null
+++ b/node_modules/browserify-des/readme.md
@@ -0,0 +1,6 @@
+browserify-des
+===
+
+[![Build Status](https://travis-ci.org/crypto-browserify/browserify-des.svg)](https://travis-ci.org/crypto-browserify/browserify-des)
+
+DES for browserify
diff --git a/node_modules/browserify-des/test.js b/node_modules/browserify-des/test.js
new file mode 100644
index 00000000..07292624
--- /dev/null
+++ b/node_modules/browserify-des/test.js
@@ -0,0 +1,81 @@
+var test = require('tape')
+var DES = require('./')
+var modes = require('./modes')
+var crypto = require('crypto')
+
+Object.keys(modes).forEach(function (mode) {
+  test(mode, function (t) {
+    var i = 0
+    while (++i < 10) {
+      runOnce(i)
+    }
+    function runOnce (i) {
+      t.test('run: ' + i, function (t) {
+        t.plan(2)
+        var key = crypto.randomBytes(modes[mode].key)
+        var iv = crypto.randomBytes(modes[mode].iv)
+        var text = crypto.randomBytes(200)
+        var ourEncrypt
+        try {
+          ourEncrypt = new DES({
+            mode: mode,
+            key: key,
+            iv: iv
+          })
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var nodeEncrypt
+        try {
+          nodeEncrypt = crypto.createCipheriv(mode, key, iv)
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var ourCipherText = Buffer.concat([ourEncrypt.update(text), ourEncrypt.final()])
+        var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
+        t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
+        var ourDecrypt = new DES({
+          mode: mode,
+          key: key,
+          iv: iv,
+          decrypt: true
+        })
+        var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
+        t.equals(text.toString('hex'), plainText.toString('hex'))
+      })
+      t.test('run text: ' + i, function (t) {
+        t.plan(2)
+        var key = crypto.randomBytes(32).toString('base64').slice(0, modes[mode].key)
+        var iv = crypto.randomBytes(32).toString('base64').slice(0, modes[mode].iv)
+        var text = crypto.randomBytes(200)
+        var ourEncrypt
+        try {
+          ourEncrypt = new DES({
+            mode: mode,
+            key: key,
+            iv: iv
+          })
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var nodeEncrypt
+        try {
+          nodeEncrypt = crypto.createCipheriv(mode, key, iv)
+        } catch (e) {
+          t.notOk(e, e.stack)
+        }
+        var ourCipherText = Buffer.concat([ourEncrypt.update(text), ourEncrypt.final()])
+        var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
+        t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
+        var ourDecrypt = new DES({
+          mode: mode,
+          key: key,
+          iv: iv,
+          decrypt: true
+        })
+        var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
+        t.equals(text.toString('hex'), plainText.toString('hex'))
+      })
+    }
+  })
+})
diff --git a/node_modules/browserify-rsa/CHANGELOG.md b/node_modules/browserify-rsa/CHANGELOG.md
new file mode 100644
index 00000000..c2265bde
--- /dev/null
+++ b/node_modules/browserify-rsa/CHANGELOG.md
@@ -0,0 +1,98 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v4.1.1](https://github.com/browserify/browserify-rsa/compare/v4.1.0...v4.1.1) - 2024-09-26
+
+### Commits
+
+- Only apps should have lockfiles [`9d8732b`](https://github.com/browserify/browserify-rsa/commit/9d8732b17f25a24aa1c367bf244c1e95f3a4c485)
+- [eslint] switch to eslint [`7e391c4`](https://github.com/browserify/browserify-rsa/commit/7e391c4dec3407ca1a7af4284f2c5f8c4a745ff2)
+- [meta] add `auto-changelog` [`2e3fdef`](https://github.com/browserify/browserify-rsa/commit/2e3fdeff72d0695b7d9b4b6dc056404ad1d9da96)
+- [Tests] migrate from travis to GHA [`9d29368`](https://github.com/browserify/browserify-rsa/commit/9d29368f3b76a808cc7575533b135b113c96a219)
+- [Tests] improve test organization [`21b8fe5`](https://github.com/browserify/browserify-rsa/commit/21b8fe58085fed8f0b8bd2f111f25079152fa905)
+- [Tests] `crypto.privateDecrypt` is only in node 0.12+ [`52a4253`](https://github.com/browserify/browserify-rsa/commit/52a4253a5f5b19401bab450f2f29e68480c56077)
+- [meta] add `npmignore` and `safe-publish-latest` [`bd5d1c2`](https://github.com/browserify/browserify-rsa/commit/bd5d1c222daafeb2121b2b79b8feb536b565f4e7)
+- [Fix] use `safe-buffer` [`28d2560`](https://github.com/browserify/browserify-rsa/commit/28d256045487adb3b88f7b958fa6728702f9f4f6)
+- [meta] add `exports` [`50464d7`](https://github.com/browserify/browserify-rsa/commit/50464d70d37a1c771268cd336de6424eafa4f42d)
+- [Deps] update `bn.js`, `randombytes` [`d833e49`](https://github.com/browserify/browserify-rsa/commit/d833e49e520f502cf8dfce1fe159041b6a1c6005)
+- [meta] raise `engines.node` to 0.10, due to `parse-asn1` [`063d27b`](https://github.com/browserify/browserify-rsa/commit/063d27b4476dd7d833a57014cf9c6c786005c5dd)
+- [Dev Deps] update `parse-asn1`, `tape` [`7d19782`](https://github.com/browserify/browserify-rsa/commit/7d197823631bcb274efe52970af0f42188b9b7fe)
+- [meta] add missing `engines.node` [`a2e5e94`](https://github.com/browserify/browserify-rsa/commit/a2e5e9411b902439afb1fd9e61d853469a6d1a59)
+- [meta] correct git URL [`f235983`](https://github.com/browserify/browserify-rsa/commit/f23598305d24c2fb1c76f582b1cb22ffba20f374)
+- [Dev Deps] add missing deps from 2e3fdef [`5ea31da`](https://github.com/browserify/browserify-rsa/commit/5ea31da9edf0ec7788c0361bc1a8a90b040f6fe2)
+- [meta] add `sideEffects` flag [`4a2d873`](https://github.com/browserify/browserify-rsa/commit/4a2d8730ea1725651103b0970a6af0b3871fd9be)
+
+## [v4.1.0](https://github.com/browserify/browserify-rsa/compare/v4.0.1...v4.1.0) - 2020-11-12
+
+### Merged
+
+- bump bn.js to 5.0.0 [`#13`](https://github.com/browserify/browserify-rsa/pull/13)
+- update loop in ger [`#10`](https://github.com/browserify/browserify-rsa/pull/10)
+
+### Commits
+
+- update tests [`7b34cc7`](https://github.com/browserify/browserify-rsa/commit/7b34cc75cda375fcfb2577f6c2334b273728a632)
+- update index.js [`6c2c290`](https://github.com/browserify/browserify-rsa/commit/6c2c290a5b3af41f8a2f68ca7f8d340bfb6d38ec)
+- update package.json [`9f906f8`](https://github.com/browserify/browserify-rsa/commit/9f906f8f76fcbca9f0c0a412f76eab03b01976cc)
+- update README.md [`f55b31a`](https://github.com/browserify/browserify-rsa/commit/f55b31aa0d15a7bf1dd6dd222314fbd0d7a5fc2e)
+- update travis config [`7342836`](https://github.com/browserify/browserify-rsa/commit/73428369fe9d976f41cbbac2b60421d65ea60516)
+- add .gitignore [`d0a4613`](https://github.com/browserify/browserify-rsa/commit/d0a4613bb72d8874171cf9d666ea272cc3c7bc20)
+
+## [v4.0.1](https://github.com/browserify/browserify-rsa/compare/v4.0.0...v4.0.1) - 2016-02-26
+
+### Merged
+
+- package.json: fix repository URL [`#8`](https://github.com/browserify/browserify-rsa/pull/8)
+
+## [v4.0.0](https://github.com/browserify/browserify-rsa/compare/v3.0.0...v4.0.0) - 2015-10-29
+
+### Merged
+
+- bump bn.js and parse-asn1 [`#6`](https://github.com/browserify/browserify-rsa/pull/6)
+
+### Commits
+
+- fix dev dep [`3acf6c7`](https://github.com/browserify/browserify-rsa/commit/3acf6c7729e254429cb6485747ebf54fa9ccfb29)
+
+## [v3.0.0](https://github.com/browserify/browserify-rsa/compare/v2.0.1...v3.0.0) - 2015-10-26
+
+### Merged
+
+- bump bn-js [`#5`](https://github.com/browserify/browserify-rsa/pull/5)
+- Adding license and updating package.json [`#4`](https://github.com/browserify/browserify-rsa/pull/4)
+
+### Commits
+
+- Add LICENSE [`3ee2b4d`](https://github.com/browserify/browserify-rsa/commit/3ee2b4d3428c9504860e62d7c070d75dd2710f48)
+- package: adds description [`af8556a`](https://github.com/browserify/browserify-rsa/commit/af8556a0d5355f6921dbdfee4bf4ff1190b05c10)
+
+## [v2.0.1](https://github.com/browserify/browserify-rsa/compare/v2.0.0...v2.0.1) - 2015-05-20
+
+### Merged
+
+- update bn.js [`#3`](https://github.com/browserify/browserify-rsa/pull/3)
+
+### Commits
+
+- Fix badge URL to point to crypto-browserify org [`823888a`](https://github.com/browserify/browserify-rsa/commit/823888a93b513724a43e0d56bfe9c951e84c0e60)
+- update readme [`0f404ac`](https://github.com/browserify/browserify-rsa/commit/0f404ac2235c4fa4a2124a29cb6cd9a6dbb25d22)
+
+## [v2.0.0](https://github.com/browserify/browserify-rsa/compare/v1.2.0...v2.0.0) - 2015-01-28
+
+## [v1.2.0](https://github.com/browserify/browserify-rsa/compare/v1.1.1...v1.2.0) - 2015-01-28
+
+### Commits
+
+- modularize [`de640bf`](https://github.com/browserify/browserify-rsa/commit/de640bff7f5fcdc1ed68ce420d972c5c4005f70f)
+
+## v1.1.1 - 2015-01-06
+
+### Commits
+
+- left pad here and clean up tests [`240e16c`](https://github.com/browserify/browserify-rsa/commit/240e16c3b116dca1a63e463f494bd3447abb3b8a)
+- first [`ceb731f`](https://github.com/browserify/browserify-rsa/commit/ceb731f7d56e4aba5440b99709dda6c2cb38b5dc)
+- Update bn.js [`dfcf387`](https://github.com/browserify/browserify-rsa/commit/dfcf38757fc28a7d929a208f1775c59c9ab7f008)
diff --git a/node_modules/browserify-rsa/LICENSE b/node_modules/browserify-rsa/LICENSE
new file mode 100644
index 00000000..c1dd3c5c
--- /dev/null
+++ b/node_modules/browserify-rsa/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016 Calvin Metcalf & contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/browserify-rsa/README.md b/node_modules/browserify-rsa/README.md
new file mode 100644
index 00000000..0a54cb25
--- /dev/null
+++ b/node_modules/browserify-rsa/README.md
@@ -0,0 +1,15 @@
+# browserify-rsa
+
+[![NPM Package](https://img.shields.io/npm/v/browserify-rsa.svg?style=flat-square)](https://www.npmjs.org/package/browserify-rsa)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/browserify-rsa.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/browserify-rsa)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/browserify-rsa.svg?style=flat-square)](https://david-dm.org/crypto-browserify/browserify-rsa#info=dependencies)
+
+RSA private decryption/signing using chinese remainder and blinding.
+
+## API
+
+Give it a message as a Buffer and a private key (as decoded by `ASN.1`) and it returns encrypted data as a Buffer.
+
+## LICENSE
+
+MIT
diff --git a/node_modules/browserify-rsa/index.js b/node_modules/browserify-rsa/index.js
new file mode 100644
index 00000000..65573cdb
--- /dev/null
+++ b/node_modules/browserify-rsa/index.js
@@ -0,0 +1,38 @@
+'use strict';
+
+var BN = require('bn.js');
+var randomBytes = require('randombytes');
+var Buffer = require('safe-buffer').Buffer;
+
+function getr(priv) {
+	var len = priv.modulus.byteLength();
+	var r;
+	do {
+		r = new BN(randomBytes(len));
+	} while (r.cmp(priv.modulus) >= 0 || !r.umod(priv.prime1) || !r.umod(priv.prime2));
+	return r;
+}
+
+function blind(priv) {
+	var r = getr(priv);
+	var blinder = r.toRed(BN.mont(priv.modulus)).redPow(new BN(priv.publicExponent)).fromRed();
+	return { blinder: blinder, unblinder: r.invm(priv.modulus) };
+}
+
+function crt(msg, priv) {
+	var blinds = blind(priv);
+	var len = priv.modulus.byteLength();
+	var blinded = new BN(msg).mul(blinds.blinder).umod(priv.modulus);
+	var c1 = blinded.toRed(BN.mont(priv.prime1));
+	var c2 = blinded.toRed(BN.mont(priv.prime2));
+	var qinv = priv.coefficient;
+	var p = priv.prime1;
+	var q = priv.prime2;
+	var m1 = c1.redPow(priv.exponent1).fromRed();
+	var m2 = c2.redPow(priv.exponent2).fromRed();
+	var h = m1.isub(m2).imul(qinv).umod(p).imul(q);
+	return m2.iadd(h).imul(blinds.unblinder).umod(priv.modulus).toArrayLike(Buffer, 'be', len);
+}
+crt.getr = getr;
+
+module.exports = crt;
diff --git a/node_modules/browserify-rsa/package.json b/node_modules/browserify-rsa/package.json
new file mode 100644
index 00000000..111790a8
--- /dev/null
+++ b/node_modules/browserify-rsa/package.json
@@ -0,0 +1,66 @@
+{
+	"name": "browserify-rsa",
+	"version": "4.1.1",
+	"description": "RSA for browserify",
+	"bugs": {
+		"url": "https://github.com/crypto-browserify/browserify-rsa/issues"
+	},
+	"license": "MIT",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/crypto-browserify/browserify-rsa.git"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "tape 'test/**/*.js'",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"dependencies": {
+		"bn.js": "^5.2.1",
+		"randombytes": "^2.1.0",
+		"safe-buffer": "^5.2.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"parse-asn1": "^5.1.7",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0"
+	},
+	"engines": {
+		"node": ">= 0.10"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test",
+			".eslintrc",
+			".github"
+		]
+	}
+}
diff --git a/node_modules/browserify-sign/LICENSE b/node_modules/browserify-sign/LICENSE
new file mode 100644
index 00000000..870bcf1f
--- /dev/null
+++ b/node_modules/browserify-sign/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2014-2015 Calvin Metcalf and browserify-sign contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/browserify-sign/README.md b/node_modules/browserify-sign/README.md
new file mode 100644
index 00000000..0a9f43d5
--- /dev/null
+++ b/node_modules/browserify-sign/README.md
@@ -0,0 +1,13 @@
+# browserify-sign
+
+[![NPM Package](https://img.shields.io/npm/v/browserify-sign.svg?style=flat-square)](https://www.npmjs.org/package/browserify-sign)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/browserify-sign.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/browserify-sign)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/browserify-sign.svg?style=flat-square)](https://david-dm.org/crypto-browserify/browserify-sign#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+A package to duplicate the functionality of node's crypto public key functions, much of this is based on [Fedor Indutny's](https://github.com/indutny) work on [indutny/tls.js](https://github.com/indutny/tls.js).
+
+## LICENSE
+
+ISC
diff --git a/node_modules/browserify-sign/algos.js b/node_modules/browserify-sign/algos.js
new file mode 100644
index 00000000..060d8dc9
--- /dev/null
+++ b/node_modules/browserify-sign/algos.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./browser/algorithms.json');
diff --git a/node_modules/browserify-sign/browser/algorithms.json b/node_modules/browserify-sign/browser/algorithms.json
new file mode 100644
index 00000000..39324a3f
--- /dev/null
+++ b/node_modules/browserify-sign/browser/algorithms.json
@@ -0,0 +1,152 @@
+{
+  "sha224WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha224",
+    "id": "302d300d06096086480165030402040500041c"
+  },
+  "RSA-SHA224": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha224",
+    "id": "302d300d06096086480165030402040500041c"
+  },
+  "sha256WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha256",
+    "id": "3031300d060960864801650304020105000420"
+  },
+  "RSA-SHA256": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha256",
+    "id": "3031300d060960864801650304020105000420"
+  },
+  "sha384WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha384",
+    "id": "3041300d060960864801650304020205000430"
+  },
+  "RSA-SHA384": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha384",
+    "id": "3041300d060960864801650304020205000430"
+  },
+  "sha512WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha512",
+    "id": "3051300d060960864801650304020305000440"
+  },
+  "RSA-SHA512": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha512",
+    "id": "3051300d060960864801650304020305000440"
+  },
+  "RSA-SHA1": {
+    "sign": "rsa",
+    "hash": "sha1",
+    "id": "3021300906052b0e03021a05000414"
+  },
+  "ecdsa-with-SHA1": {
+    "sign": "ecdsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "sha256": {
+    "sign": "ecdsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "sha224": {
+    "sign": "ecdsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "sha384": {
+    "sign": "ecdsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "sha512": {
+    "sign": "ecdsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-SHA": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA-SHA1": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA-WITH-SHA224": {
+    "sign": "dsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "DSA-SHA224": {
+    "sign": "dsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "DSA-WITH-SHA256": {
+    "sign": "dsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "DSA-SHA256": {
+    "sign": "dsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "DSA-WITH-SHA384": {
+    "sign": "dsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "DSA-SHA384": {
+    "sign": "dsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "DSA-WITH-SHA512": {
+    "sign": "dsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-SHA512": {
+    "sign": "dsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-RIPEMD160": {
+    "sign": "dsa",
+    "hash": "rmd160",
+    "id": ""
+  },
+  "ripemd160WithRSA": {
+    "sign": "rsa",
+    "hash": "rmd160",
+    "id": "3021300906052b2403020105000414"
+  },
+  "RSA-RIPEMD160": {
+    "sign": "rsa",
+    "hash": "rmd160",
+    "id": "3021300906052b2403020105000414"
+  },
+  "md5WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "md5",
+    "id": "3020300c06082a864886f70d020505000410"
+  },
+  "RSA-MD5": {
+    "sign": "rsa",
+    "hash": "md5",
+    "id": "3020300c06082a864886f70d020505000410"
+  }
+}
diff --git a/node_modules/browserify-sign/browser/curves.json b/node_modules/browserify-sign/browser/curves.json
new file mode 100644
index 00000000..8a713cf7
--- /dev/null
+++ b/node_modules/browserify-sign/browser/curves.json
@@ -0,0 +1,8 @@
+{
+  "1.3.132.0.10": "secp256k1",
+  "1.3.132.0.33": "p224",
+  "1.2.840.10045.3.1.1": "p192",
+  "1.2.840.10045.3.1.7": "p256",
+  "1.3.132.0.34": "p384",
+  "1.3.132.0.35": "p521"
+}
diff --git a/node_modules/browserify-sign/browser/index.js b/node_modules/browserify-sign/browser/index.js
new file mode 100644
index 00000000..ce228c44
--- /dev/null
+++ b/node_modules/browserify-sign/browser/index.js
@@ -0,0 +1,92 @@
+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+var createHash = require('create-hash');
+var stream = require('readable-stream');
+var inherits = require('inherits');
+var sign = require('./sign');
+var verify = require('./verify');
+
+var algorithms = require('./algorithms.json');
+Object.keys(algorithms).forEach(function (key) {
+  algorithms[key].id = Buffer.from(algorithms[key].id, 'hex');
+  algorithms[key.toLowerCase()] = algorithms[key];
+});
+
+function Sign(algorithm) {
+  stream.Writable.call(this);
+
+  var data = algorithms[algorithm];
+  if (!data) { throw new Error('Unknown message digest'); }
+
+  this._hashType = data.hash;
+  this._hash = createHash(data.hash);
+  this._tag = data.id;
+  this._signType = data.sign;
+}
+inherits(Sign, stream.Writable);
+
+Sign.prototype._write = function _write(data, _, done) {
+  this._hash.update(data);
+  done();
+};
+
+Sign.prototype.update = function update(data, enc) {
+  this._hash.update(typeof data === 'string' ? Buffer.from(data, enc) : data);
+
+  return this;
+};
+
+Sign.prototype.sign = function signMethod(key, enc) {
+  this.end();
+  var hash = this._hash.digest();
+  var sig = sign(hash, key, this._hashType, this._signType, this._tag);
+
+  return enc ? sig.toString(enc) : sig;
+};
+
+function Verify(algorithm) {
+  stream.Writable.call(this);
+
+  var data = algorithms[algorithm];
+  if (!data) { throw new Error('Unknown message digest'); }
+
+  this._hash = createHash(data.hash);
+  this._tag = data.id;
+  this._signType = data.sign;
+}
+inherits(Verify, stream.Writable);
+
+Verify.prototype._write = function _write(data, _, done) {
+  this._hash.update(data);
+  done();
+};
+
+Verify.prototype.update = function update(data, enc) {
+  this._hash.update(typeof data === 'string' ? Buffer.from(data, enc) : data);
+
+  return this;
+};
+
+Verify.prototype.verify = function verifyMethod(key, sig, enc) {
+  var sigBuffer = typeof sig === 'string' ? Buffer.from(sig, enc) : sig;
+
+  this.end();
+  var hash = this._hash.digest();
+  return verify(sigBuffer, hash, key, this._signType, this._tag);
+};
+
+function createSign(algorithm) {
+  return new Sign(algorithm);
+}
+
+function createVerify(algorithm) {
+  return new Verify(algorithm);
+}
+
+module.exports = {
+  Sign: createSign,
+  Verify: createVerify,
+  createSign: createSign,
+  createVerify: createVerify
+};
diff --git a/node_modules/browserify-sign/browser/sign.js b/node_modules/browserify-sign/browser/sign.js
new file mode 100644
index 00000000..f5818257
--- /dev/null
+++ b/node_modules/browserify-sign/browser/sign.js
@@ -0,0 +1,150 @@
+'use strict';
+
+// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
+var Buffer = require('safe-buffer').Buffer;
+var createHmac = require('create-hmac');
+var crt = require('browserify-rsa');
+var EC = require('elliptic').ec;
+var BN = require('bn.js');
+var parseKeys = require('parse-asn1');
+var curves = require('./curves.json');
+
+var RSA_PKCS1_PADDING = 1;
+
+function sign(hash, key, hashType, signType, tag) {
+  var priv = parseKeys(key);
+  if (priv.curve) {
+    // rsa keys can be interpreted as ecdsa ones in openssl
+    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong private key type'); }
+    return ecSign(hash, priv);
+  } else if (priv.type === 'dsa') {
+    if (signType !== 'dsa') { throw new Error('wrong private key type'); }
+    return dsaSign(hash, priv, hashType);
+  }
+  if (signType !== 'rsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong private key type'); }
+  if (key.padding !== undefined && key.padding !== RSA_PKCS1_PADDING) { throw new Error('illegal or unsupported padding mode'); }
+
+  hash = Buffer.concat([tag, hash]);
+  var len = priv.modulus.byteLength();
+  var pad = [0, 1];
+  while (hash.length + pad.length + 1 < len) { pad.push(0xff); }
+  pad.push(0x00);
+  var i = -1;
+  while (++i < hash.length) { pad.push(hash[i]); }
+
+  var out = crt(pad, priv);
+  return out;
+}
+
+function ecSign(hash, priv) {
+  var curveId = curves[priv.curve.join('.')];
+  if (!curveId) { throw new Error('unknown curve ' + priv.curve.join('.')); }
+
+  var curve = new EC(curveId);
+  var key = curve.keyFromPrivate(priv.privateKey);
+  var out = key.sign(hash);
+
+  return Buffer.from(out.toDER());
+}
+
+function dsaSign(hash, priv, algo) {
+  var x = priv.params.priv_key;
+  var p = priv.params.p;
+  var q = priv.params.q;
+  var g = priv.params.g;
+  var r = new BN(0);
+  var k;
+  var H = bits2int(hash, q).mod(q);
+  var s = false;
+  var kv = getKey(x, q, hash, algo);
+  while (s === false) {
+    k = makeKey(q, kv, algo);
+    r = makeR(g, k, p, q);
+    s = k.invm(q).imul(H.add(x.mul(r))).mod(q);
+    if (s.cmpn(0) === 0) {
+      s = false;
+      r = new BN(0);
+    }
+  }
+  return toDER(r, s);
+}
+
+function toDER(r, s) {
+  r = r.toArray();
+  s = s.toArray();
+
+  // Pad values
+  if (r[0] & 0x80) { r = [0].concat(r); }
+  if (s[0] & 0x80) { s = [0].concat(s); }
+
+  var total = r.length + s.length + 4;
+  var res = [
+    0x30, total, 0x02, r.length
+  ];
+  res = res.concat(r, [0x02, s.length], s);
+  return Buffer.from(res);
+}
+
+function getKey(x, q, hash, algo) {
+  x = Buffer.from(x.toArray());
+  if (x.length < q.byteLength()) {
+    var zeros = Buffer.alloc(q.byteLength() - x.length);
+    x = Buffer.concat([zeros, x]);
+  }
+  var hlen = hash.length;
+  var hbits = bits2octets(hash, q);
+  var v = Buffer.alloc(hlen);
+  v.fill(1);
+  var k = Buffer.alloc(hlen);
+  k = createHmac(algo, k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest();
+  v = createHmac(algo, k).update(v).digest();
+  k = createHmac(algo, k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest();
+  v = createHmac(algo, k).update(v).digest();
+  return { k: k, v: v };
+}
+
+function bits2int(obits, q) {
+  var bits = new BN(obits);
+  var shift = (obits.length << 3) - q.bitLength();
+  if (shift > 0) { bits.ishrn(shift); }
+  return bits;
+}
+
+function bits2octets(bits, q) {
+  bits = bits2int(bits, q);
+  bits = bits.mod(q);
+  var out = Buffer.from(bits.toArray());
+  if (out.length < q.byteLength()) {
+    var zeros = Buffer.alloc(q.byteLength() - out.length);
+    out = Buffer.concat([zeros, out]);
+  }
+  return out;
+}
+
+function makeKey(q, kv, algo) {
+  var t;
+  var k;
+
+  do {
+    t = Buffer.alloc(0);
+
+    while (t.length * 8 < q.bitLength()) {
+      kv.v = createHmac(algo, kv.k).update(kv.v).digest();
+      t = Buffer.concat([t, kv.v]);
+    }
+
+    k = bits2int(t, q);
+    kv.k = createHmac(algo, kv.k).update(kv.v).update(Buffer.from([0])).digest();
+    kv.v = createHmac(algo, kv.k).update(kv.v).digest();
+  } while (k.cmp(q) !== -1);
+
+  return k;
+}
+
+function makeR(g, k, p, q) {
+  return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q);
+}
+
+module.exports = sign;
+module.exports.getKey = getKey;
+module.exports.makeKey = makeKey;
diff --git a/node_modules/browserify-sign/browser/verify.js b/node_modules/browserify-sign/browser/verify.js
new file mode 100644
index 00000000..5a180807
--- /dev/null
+++ b/node_modules/browserify-sign/browser/verify.js
@@ -0,0 +1,86 @@
+'use strict';
+
+// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
+var Buffer = require('safe-buffer').Buffer;
+var BN = require('bn.js');
+var EC = require('elliptic').ec;
+var parseKeys = require('parse-asn1');
+var curves = require('./curves.json');
+
+function verify(sig, hash, key, signType, tag) {
+  var pub = parseKeys(key);
+  if (pub.type === 'ec') {
+    // rsa keys can be interpreted as ecdsa ones in openssl
+    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong public key type'); }
+    return ecVerify(sig, hash, pub);
+  } else if (pub.type === 'dsa') {
+    if (signType !== 'dsa') { throw new Error('wrong public key type'); }
+    return dsaVerify(sig, hash, pub);
+  }
+  if (signType !== 'rsa' && signType !== 'ecdsa/rsa') { throw new Error('wrong public key type'); }
+
+  hash = Buffer.concat([tag, hash]);
+  var len = pub.modulus.byteLength();
+  var pad = [1];
+  var padNum = 0;
+  while (hash.length + pad.length + 2 < len) {
+    pad.push(0xff);
+    padNum += 1;
+  }
+  pad.push(0x00);
+  var i = -1;
+  while (++i < hash.length) {
+    pad.push(hash[i]);
+  }
+  pad = Buffer.from(pad);
+  var red = BN.mont(pub.modulus);
+  sig = new BN(sig).toRed(red);
+
+  sig = sig.redPow(new BN(pub.publicExponent));
+  sig = Buffer.from(sig.fromRed().toArray());
+  var out = padNum < 8 ? 1 : 0;
+  len = Math.min(sig.length, pad.length);
+  if (sig.length !== pad.length) { out = 1; }
+
+  i = -1;
+  while (++i < len) { out |= sig[i] ^ pad[i]; }
+  return out === 0;
+}
+
+function ecVerify(sig, hash, pub) {
+  var curveId = curves[pub.data.algorithm.curve.join('.')];
+  if (!curveId) { throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.')); }
+
+  var curve = new EC(curveId);
+  var pubkey = pub.data.subjectPrivateKey.data;
+
+  return curve.verify(hash, sig, pubkey);
+}
+
+function dsaVerify(sig, hash, pub) {
+  var p = pub.data.p;
+  var q = pub.data.q;
+  var g = pub.data.g;
+  var y = pub.data.pub_key;
+  var unpacked = parseKeys.signature.decode(sig, 'der');
+  var s = unpacked.s;
+  var r = unpacked.r;
+  checkValue(s, q);
+  checkValue(r, q);
+  var montp = BN.mont(p);
+  var w = s.invm(q);
+  var v = g.toRed(montp)
+    .redPow(new BN(hash).mul(w).mod(q))
+    .fromRed()
+    .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed())
+    .mod(p)
+    .mod(q);
+  return v.cmp(r) === 0;
+}
+
+function checkValue(b, q) {
+  if (b.cmpn(0) <= 0) { throw new Error('invalid sig'); }
+  if (b.cmp(q) >= 0) { throw new Error('invalid sig'); }
+}
+
+module.exports = verify;
diff --git a/node_modules/browserify-sign/index.js b/node_modules/browserify-sign/index.js
new file mode 100644
index 00000000..40281f6e
--- /dev/null
+++ b/node_modules/browserify-sign/index.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var crypto = require('crypto');
+
+exports.createSign = crypto.createSign;
+exports.Sign = crypto.Sign;
+
+exports.createVerify = crypto.createVerify;
+exports.Verify = crypto.Verify;
diff --git a/node_modules/browserify-sign/package.json b/node_modules/browserify-sign/package.json
new file mode 100644
index 00000000..d0ca0894
--- /dev/null
+++ b/node_modules/browserify-sign/package.json
@@ -0,0 +1,72 @@
+{
+	"name": "browserify-sign",
+	"version": "4.2.3",
+	"description": "adds node crypto signing for browsers",
+	"bugs": {
+		"url": "https://github.com/crypto-browserify/browserify-sign/issues"
+	},
+	"license": "ISC",
+	"files": [
+		"browser",
+		"index.js",
+		"algos.js"
+	],
+	"main": "index.js",
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/crypto-browserify/browserify-sign.git"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"lint": "eslint --ext=js,mjs .",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"dependencies": {
+		"bn.js": "^5.2.1",
+		"browserify-rsa": "^4.1.0",
+		"create-hash": "^1.2.0",
+		"create-hmac": "^1.1.7",
+		"elliptic": "^6.5.5",
+		"hash-base": "~3.0",
+		"inherits": "^2.0.4",
+		"parse-asn1": "^5.1.7",
+		"readable-stream": "^2.3.8",
+		"safe-buffer": "^5.2.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"semver": "^6.3.1",
+		"tape": "^5.7.5"
+	},
+	"browser": "browser/index.js",
+	"engines": {
+		"node": ">= 0.12"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/browserify-zlib/.npmignore b/node_modules/browserify-zlib/.npmignore
new file mode 100644
index 00000000..ba8da7d0
--- /dev/null
+++ b/node_modules/browserify-zlib/.npmignore
@@ -0,0 +1,7 @@
+node_modules
+.DS_Store
+
+*.log
+
+test/tmp
+test
diff --git a/node_modules/browserify-zlib/.travis.yml b/node_modules/browserify-zlib/.travis.yml
new file mode 100644
index 00000000..4b4639e8
--- /dev/null
+++ b/node_modules/browserify-zlib/.travis.yml
@@ -0,0 +1,16 @@
+sudo: false
+language: node_js
+node_js:
+  - 6
+  - 8
+
+before_install:
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+
+addons:
+  firefox: "latest"
+
+script:
+  - npm run lint
+  - npm test
diff --git a/node_modules/browserify-zlib/LICENSE b/node_modules/browserify-zlib/LICENSE
new file mode 100644
index 00000000..81c6c0c6
--- /dev/null
+++ b/node_modules/browserify-zlib/LICENSE
@@ -0,0 +1,70 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015 Devon Govett <devongovett@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+This project contains parts of Node.js.
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
diff --git a/node_modules/browserify-zlib/README.md b/node_modules/browserify-zlib/README.md
new file mode 100644
index 00000000..7cde70b5
--- /dev/null
+++ b/node_modules/browserify-zlib/README.md
@@ -0,0 +1,24 @@
+# browserify-zlib
+
+[![Travis CI](https://travis-ci.org/devongovett/browserify-zlib.svg?branch=master)](https://travis-ci.org/devongovett/browserify-zlib)
+[![Dependency Status](https://david-dm.org/devongovett/browserify-zlib.svg?style=flat-square)](https://david-dm.org/devongovett/browserify-zlib) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
+
+## Description
+
+Emulates Node's [zlib](https://nodejs.org/api/zlib.html) module for the browser. Can be used as a drop in replacement with [Browserify](http://browserify.org) and [webpack](http://webpack.github.io/).
+
+The heavy lifting is done using [pako](https://github.com/nodeca/pako). The code in this module is modeled closely after the code in the source of Node core to get as much compatability as possible.
+
+## API
+
+https://nodejs.org/api/zlib.html
+
+## Not implemented
+
+The following options/methods are not supported because pako does not support them yet.
+
+* The `params` method
+
+## License
+
+MIT
diff --git a/node_modules/browserify-zlib/karma.conf.js b/node_modules/browserify-zlib/karma.conf.js
new file mode 100644
index 00000000..e00b23a3
--- /dev/null
+++ b/node_modules/browserify-zlib/karma.conf.js
@@ -0,0 +1,11 @@
+module.exports = function (karma) {
+  karma.set({
+    frameworks: ['mocha'],
+    files: ['test/tmp/browserified.js'],
+    reporters: ['mocha-own'],
+    mochaOwnReporter: {
+      reporter: 'spec'
+    },
+    browsers: process.env.TRAVIS ? ['Firefox', 'PhantomJS'] : ['Chrome', 'PhantomJS']
+  })
+}
diff --git a/node_modules/browserify-zlib/lib/binding.js b/node_modules/browserify-zlib/lib/binding.js
new file mode 100644
index 00000000..e0578b3a
--- /dev/null
+++ b/node_modules/browserify-zlib/lib/binding.js
@@ -0,0 +1,409 @@
+'use strict';
+/* eslint camelcase: "off" */
+
+var assert = require('assert');
+
+var Zstream = require('pako/lib/zlib/zstream');
+var zlib_deflate = require('pako/lib/zlib/deflate.js');
+var zlib_inflate = require('pako/lib/zlib/inflate.js');
+var constants = require('pako/lib/zlib/constants');
+
+for (var key in constants) {
+  exports[key] = constants[key];
+}
+
+// zlib modes
+exports.NONE = 0;
+exports.DEFLATE = 1;
+exports.INFLATE = 2;
+exports.GZIP = 3;
+exports.GUNZIP = 4;
+exports.DEFLATERAW = 5;
+exports.INFLATERAW = 6;
+exports.UNZIP = 7;
+
+var GZIP_HEADER_ID1 = 0x1f;
+var GZIP_HEADER_ID2 = 0x8b;
+
+/**
+ * Emulate Node's zlib C++ layer for use by the JS layer in index.js
+ */
+function Zlib(mode) {
+  if (typeof mode !== 'number' || mode < exports.DEFLATE || mode > exports.UNZIP) {
+    throw new TypeError('Bad argument');
+  }
+
+  this.dictionary = null;
+  this.err = 0;
+  this.flush = 0;
+  this.init_done = false;
+  this.level = 0;
+  this.memLevel = 0;
+  this.mode = mode;
+  this.strategy = 0;
+  this.windowBits = 0;
+  this.write_in_progress = false;
+  this.pending_close = false;
+  this.gzip_id_bytes_read = 0;
+}
+
+Zlib.prototype.close = function () {
+  if (this.write_in_progress) {
+    this.pending_close = true;
+    return;
+  }
+
+  this.pending_close = false;
+
+  assert(this.init_done, 'close before init');
+  assert(this.mode <= exports.UNZIP);
+
+  if (this.mode === exports.DEFLATE || this.mode === exports.GZIP || this.mode === exports.DEFLATERAW) {
+    zlib_deflate.deflateEnd(this.strm);
+  } else if (this.mode === exports.INFLATE || this.mode === exports.GUNZIP || this.mode === exports.INFLATERAW || this.mode === exports.UNZIP) {
+    zlib_inflate.inflateEnd(this.strm);
+  }
+
+  this.mode = exports.NONE;
+
+  this.dictionary = null;
+};
+
+Zlib.prototype.write = function (flush, input, in_off, in_len, out, out_off, out_len) {
+  return this._write(true, flush, input, in_off, in_len, out, out_off, out_len);
+};
+
+Zlib.prototype.writeSync = function (flush, input, in_off, in_len, out, out_off, out_len) {
+  return this._write(false, flush, input, in_off, in_len, out, out_off, out_len);
+};
+
+Zlib.prototype._write = function (async, flush, input, in_off, in_len, out, out_off, out_len) {
+  assert.equal(arguments.length, 8);
+
+  assert(this.init_done, 'write before init');
+  assert(this.mode !== exports.NONE, 'already finalized');
+  assert.equal(false, this.write_in_progress, 'write already in progress');
+  assert.equal(false, this.pending_close, 'close is pending');
+
+  this.write_in_progress = true;
+
+  assert.equal(false, flush === undefined, 'must provide flush value');
+
+  this.write_in_progress = true;
+
+  if (flush !== exports.Z_NO_FLUSH && flush !== exports.Z_PARTIAL_FLUSH && flush !== exports.Z_SYNC_FLUSH && flush !== exports.Z_FULL_FLUSH && flush !== exports.Z_FINISH && flush !== exports.Z_BLOCK) {
+    throw new Error('Invalid flush value');
+  }
+
+  if (input == null) {
+    input = Buffer.alloc(0);
+    in_len = 0;
+    in_off = 0;
+  }
+
+  this.strm.avail_in = in_len;
+  this.strm.input = input;
+  this.strm.next_in = in_off;
+  this.strm.avail_out = out_len;
+  this.strm.output = out;
+  this.strm.next_out = out_off;
+  this.flush = flush;
+
+  if (!async) {
+    // sync version
+    this._process();
+
+    if (this._checkError()) {
+      return this._afterSync();
+    }
+    return;
+  }
+
+  // async version
+  var self = this;
+  process.nextTick(function () {
+    self._process();
+    self._after();
+  });
+
+  return this;
+};
+
+Zlib.prototype._afterSync = function () {
+  var avail_out = this.strm.avail_out;
+  var avail_in = this.strm.avail_in;
+
+  this.write_in_progress = false;
+
+  return [avail_in, avail_out];
+};
+
+Zlib.prototype._process = function () {
+  var next_expected_header_byte = null;
+
+  // If the avail_out is left at 0, then it means that it ran out
+  // of room.  If there was avail_out left over, then it means
+  // that all of the input was consumed.
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.GZIP:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflate(this.strm, this.flush);
+      break;
+    case exports.UNZIP:
+      if (this.strm.avail_in > 0) {
+        next_expected_header_byte = this.strm.next_in;
+      }
+
+      switch (this.gzip_id_bytes_read) {
+        case 0:
+          if (next_expected_header_byte === null) {
+            break;
+          }
+
+          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID1) {
+            this.gzip_id_bytes_read = 1;
+            next_expected_header_byte++;
+
+            if (this.strm.avail_in === 1) {
+              // The only available byte was already read.
+              break;
+            }
+          } else {
+            this.mode = exports.INFLATE;
+            break;
+          }
+
+        // fallthrough
+        case 1:
+          if (next_expected_header_byte === null) {
+            break;
+          }
+
+          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID2) {
+            this.gzip_id_bytes_read = 2;
+            this.mode = exports.GUNZIP;
+          } else {
+            // There is no actual difference between INFLATE and INFLATERAW
+            // (after initialization).
+            this.mode = exports.INFLATE;
+          }
+
+          break;
+        default:
+          throw new Error('invalid number of gzip magic number bytes read');
+      }
+
+    // fallthrough
+    case exports.INFLATE:
+    case exports.GUNZIP:
+    case exports.INFLATERAW:
+      this.err = zlib_inflate.inflate(this.strm, this.flush
+
+      // If data was encoded with dictionary
+      );if (this.err === exports.Z_NEED_DICT && this.dictionary) {
+        // Load it
+        this.err = zlib_inflate.inflateSetDictionary(this.strm, this.dictionary);
+        if (this.err === exports.Z_OK) {
+          // And try to decode again
+          this.err = zlib_inflate.inflate(this.strm, this.flush);
+        } else if (this.err === exports.Z_DATA_ERROR) {
+          // Both inflateSetDictionary() and inflate() return Z_DATA_ERROR.
+          // Make it possible for After() to tell a bad dictionary from bad
+          // input.
+          this.err = exports.Z_NEED_DICT;
+        }
+      }
+      while (this.strm.avail_in > 0 && this.mode === exports.GUNZIP && this.err === exports.Z_STREAM_END && this.strm.next_in[0] !== 0x00) {
+        // Bytes remain in input buffer. Perhaps this is another compressed
+        // member in the same archive, or just trailing garbage.
+        // Trailing zero bytes are okay, though, since they are frequently
+        // used for padding.
+
+        this.reset();
+        this.err = zlib_inflate.inflate(this.strm, this.flush);
+      }
+      break;
+    default:
+      throw new Error('Unknown mode ' + this.mode);
+  }
+};
+
+Zlib.prototype._checkError = function () {
+  // Acceptable error states depend on the type of zlib stream.
+  switch (this.err) {
+    case exports.Z_OK:
+    case exports.Z_BUF_ERROR:
+      if (this.strm.avail_out !== 0 && this.flush === exports.Z_FINISH) {
+        this._error('unexpected end of file');
+        return false;
+      }
+      break;
+    case exports.Z_STREAM_END:
+      // normal statuses, not fatal
+      break;
+    case exports.Z_NEED_DICT:
+      if (this.dictionary == null) {
+        this._error('Missing dictionary');
+      } else {
+        this._error('Bad dictionary');
+      }
+      return false;
+    default:
+      // something else.
+      this._error('Zlib error');
+      return false;
+  }
+
+  return true;
+};
+
+Zlib.prototype._after = function () {
+  if (!this._checkError()) {
+    return;
+  }
+
+  var avail_out = this.strm.avail_out;
+  var avail_in = this.strm.avail_in;
+
+  this.write_in_progress = false;
+
+  // call the write() cb
+  this.callback(avail_in, avail_out);
+
+  if (this.pending_close) {
+    this.close();
+  }
+};
+
+Zlib.prototype._error = function (message) {
+  if (this.strm.msg) {
+    message = this.strm.msg;
+  }
+  this.onerror(message, this.err
+
+  // no hope of rescue.
+  );this.write_in_progress = false;
+  if (this.pending_close) {
+    this.close();
+  }
+};
+
+Zlib.prototype.init = function (windowBits, level, memLevel, strategy, dictionary) {
+  assert(arguments.length === 4 || arguments.length === 5, 'init(windowBits, level, memLevel, strategy, [dictionary])');
+
+  assert(windowBits >= 8 && windowBits <= 15, 'invalid windowBits');
+  assert(level >= -1 && level <= 9, 'invalid compression level');
+
+  assert(memLevel >= 1 && memLevel <= 9, 'invalid memlevel');
+
+  assert(strategy === exports.Z_FILTERED || strategy === exports.Z_HUFFMAN_ONLY || strategy === exports.Z_RLE || strategy === exports.Z_FIXED || strategy === exports.Z_DEFAULT_STRATEGY, 'invalid strategy');
+
+  this._init(level, windowBits, memLevel, strategy, dictionary);
+  this._setDictionary();
+};
+
+Zlib.prototype.params = function () {
+  throw new Error('deflateParams Not supported');
+};
+
+Zlib.prototype.reset = function () {
+  this._reset();
+  this._setDictionary();
+};
+
+Zlib.prototype._init = function (level, windowBits, memLevel, strategy, dictionary) {
+  this.level = level;
+  this.windowBits = windowBits;
+  this.memLevel = memLevel;
+  this.strategy = strategy;
+
+  this.flush = exports.Z_NO_FLUSH;
+
+  this.err = exports.Z_OK;
+
+  if (this.mode === exports.GZIP || this.mode === exports.GUNZIP) {
+    this.windowBits += 16;
+  }
+
+  if (this.mode === exports.UNZIP) {
+    this.windowBits += 32;
+  }
+
+  if (this.mode === exports.DEFLATERAW || this.mode === exports.INFLATERAW) {
+    this.windowBits = -1 * this.windowBits;
+  }
+
+  this.strm = new Zstream();
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.GZIP:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflateInit2(this.strm, this.level, exports.Z_DEFLATED, this.windowBits, this.memLevel, this.strategy);
+      break;
+    case exports.INFLATE:
+    case exports.GUNZIP:
+    case exports.INFLATERAW:
+    case exports.UNZIP:
+      this.err = zlib_inflate.inflateInit2(this.strm, this.windowBits);
+      break;
+    default:
+      throw new Error('Unknown mode ' + this.mode);
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Init error');
+  }
+
+  this.dictionary = dictionary;
+
+  this.write_in_progress = false;
+  this.init_done = true;
+};
+
+Zlib.prototype._setDictionary = function () {
+  if (this.dictionary == null) {
+    return;
+  }
+
+  this.err = exports.Z_OK;
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflateSetDictionary(this.strm, this.dictionary);
+      break;
+    default:
+      break;
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Failed to set dictionary');
+  }
+};
+
+Zlib.prototype._reset = function () {
+  this.err = exports.Z_OK;
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.DEFLATERAW:
+    case exports.GZIP:
+      this.err = zlib_deflate.deflateReset(this.strm);
+      break;
+    case exports.INFLATE:
+    case exports.INFLATERAW:
+    case exports.GUNZIP:
+      this.err = zlib_inflate.inflateReset(this.strm);
+      break;
+    default:
+      break;
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Failed to reset stream');
+  }
+};
+
+exports.Zlib = Zlib;
\ No newline at end of file
diff --git a/node_modules/browserify-zlib/lib/index.js b/node_modules/browserify-zlib/lib/index.js
new file mode 100644
index 00000000..15013f03
--- /dev/null
+++ b/node_modules/browserify-zlib/lib/index.js
@@ -0,0 +1,609 @@
+'use strict';
+
+var Buffer = require('buffer').Buffer;
+var Transform = require('stream').Transform;
+var binding = require('./binding');
+var util = require('util');
+var assert = require('assert').ok;
+var kMaxLength = require('buffer').kMaxLength;
+var kRangeErrorMessage = 'Cannot create final Buffer. It would be larger ' + 'than 0x' + kMaxLength.toString(16) + ' bytes';
+
+// zlib doesn't provide these, so kludge them in following the same
+// const naming scheme zlib uses.
+binding.Z_MIN_WINDOWBITS = 8;
+binding.Z_MAX_WINDOWBITS = 15;
+binding.Z_DEFAULT_WINDOWBITS = 15;
+
+// fewer than 64 bytes per chunk is stupid.
+// technically it could work with as few as 8, but even 64 bytes
+// is absurdly low.  Usually a MB or more is best.
+binding.Z_MIN_CHUNK = 64;
+binding.Z_MAX_CHUNK = Infinity;
+binding.Z_DEFAULT_CHUNK = 16 * 1024;
+
+binding.Z_MIN_MEMLEVEL = 1;
+binding.Z_MAX_MEMLEVEL = 9;
+binding.Z_DEFAULT_MEMLEVEL = 8;
+
+binding.Z_MIN_LEVEL = -1;
+binding.Z_MAX_LEVEL = 9;
+binding.Z_DEFAULT_LEVEL = binding.Z_DEFAULT_COMPRESSION;
+
+// expose all the zlib constants
+var bkeys = Object.keys(binding);
+for (var bk = 0; bk < bkeys.length; bk++) {
+  var bkey = bkeys[bk];
+  if (bkey.match(/^Z/)) {
+    Object.defineProperty(exports, bkey, {
+      enumerable: true, value: binding[bkey], writable: false
+    });
+  }
+}
+
+// translation table for return codes.
+var codes = {
+  Z_OK: binding.Z_OK,
+  Z_STREAM_END: binding.Z_STREAM_END,
+  Z_NEED_DICT: binding.Z_NEED_DICT,
+  Z_ERRNO: binding.Z_ERRNO,
+  Z_STREAM_ERROR: binding.Z_STREAM_ERROR,
+  Z_DATA_ERROR: binding.Z_DATA_ERROR,
+  Z_MEM_ERROR: binding.Z_MEM_ERROR,
+  Z_BUF_ERROR: binding.Z_BUF_ERROR,
+  Z_VERSION_ERROR: binding.Z_VERSION_ERROR
+};
+
+var ckeys = Object.keys(codes);
+for (var ck = 0; ck < ckeys.length; ck++) {
+  var ckey = ckeys[ck];
+  codes[codes[ckey]] = ckey;
+}
+
+Object.defineProperty(exports, 'codes', {
+  enumerable: true, value: Object.freeze(codes), writable: false
+});
+
+exports.Deflate = Deflate;
+exports.Inflate = Inflate;
+exports.Gzip = Gzip;
+exports.Gunzip = Gunzip;
+exports.DeflateRaw = DeflateRaw;
+exports.InflateRaw = InflateRaw;
+exports.Unzip = Unzip;
+
+exports.createDeflate = function (o) {
+  return new Deflate(o);
+};
+
+exports.createInflate = function (o) {
+  return new Inflate(o);
+};
+
+exports.createDeflateRaw = function (o) {
+  return new DeflateRaw(o);
+};
+
+exports.createInflateRaw = function (o) {
+  return new InflateRaw(o);
+};
+
+exports.createGzip = function (o) {
+  return new Gzip(o);
+};
+
+exports.createGunzip = function (o) {
+  return new Gunzip(o);
+};
+
+exports.createUnzip = function (o) {
+  return new Unzip(o);
+};
+
+// Convenience methods.
+// compress/decompress a string or buffer in one step.
+exports.deflate = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Deflate(opts), buffer, callback);
+};
+
+exports.deflateSync = function (buffer, opts) {
+  return zlibBufferSync(new Deflate(opts), buffer);
+};
+
+exports.gzip = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Gzip(opts), buffer, callback);
+};
+
+exports.gzipSync = function (buffer, opts) {
+  return zlibBufferSync(new Gzip(opts), buffer);
+};
+
+exports.deflateRaw = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new DeflateRaw(opts), buffer, callback);
+};
+
+exports.deflateRawSync = function (buffer, opts) {
+  return zlibBufferSync(new DeflateRaw(opts), buffer);
+};
+
+exports.unzip = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Unzip(opts), buffer, callback);
+};
+
+exports.unzipSync = function (buffer, opts) {
+  return zlibBufferSync(new Unzip(opts), buffer);
+};
+
+exports.inflate = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Inflate(opts), buffer, callback);
+};
+
+exports.inflateSync = function (buffer, opts) {
+  return zlibBufferSync(new Inflate(opts), buffer);
+};
+
+exports.gunzip = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Gunzip(opts), buffer, callback);
+};
+
+exports.gunzipSync = function (buffer, opts) {
+  return zlibBufferSync(new Gunzip(opts), buffer);
+};
+
+exports.inflateRaw = function (buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new InflateRaw(opts), buffer, callback);
+};
+
+exports.inflateRawSync = function (buffer, opts) {
+  return zlibBufferSync(new InflateRaw(opts), buffer);
+};
+
+function zlibBuffer(engine, buffer, callback) {
+  var buffers = [];
+  var nread = 0;
+
+  engine.on('error', onError);
+  engine.on('end', onEnd);
+
+  engine.end(buffer);
+  flow();
+
+  function flow() {
+    var chunk;
+    while (null !== (chunk = engine.read())) {
+      buffers.push(chunk);
+      nread += chunk.length;
+    }
+    engine.once('readable', flow);
+  }
+
+  function onError(err) {
+    engine.removeListener('end', onEnd);
+    engine.removeListener('readable', flow);
+    callback(err);
+  }
+
+  function onEnd() {
+    var buf;
+    var err = null;
+
+    if (nread >= kMaxLength) {
+      err = new RangeError(kRangeErrorMessage);
+    } else {
+      buf = Buffer.concat(buffers, nread);
+    }
+
+    buffers = [];
+    engine.close();
+    callback(err, buf);
+  }
+}
+
+function zlibBufferSync(engine, buffer) {
+  if (typeof buffer === 'string') buffer = Buffer.from(buffer);
+
+  if (!Buffer.isBuffer(buffer)) throw new TypeError('Not a string or buffer');
+
+  var flushFlag = engine._finishFlushFlag;
+
+  return engine._processChunk(buffer, flushFlag);
+}
+
+// generic zlib
+// minimal 2-byte header
+function Deflate(opts) {
+  if (!(this instanceof Deflate)) return new Deflate(opts);
+  Zlib.call(this, opts, binding.DEFLATE);
+}
+
+function Inflate(opts) {
+  if (!(this instanceof Inflate)) return new Inflate(opts);
+  Zlib.call(this, opts, binding.INFLATE);
+}
+
+// gzip - bigger header, same deflate compression
+function Gzip(opts) {
+  if (!(this instanceof Gzip)) return new Gzip(opts);
+  Zlib.call(this, opts, binding.GZIP);
+}
+
+function Gunzip(opts) {
+  if (!(this instanceof Gunzip)) return new Gunzip(opts);
+  Zlib.call(this, opts, binding.GUNZIP);
+}
+
+// raw - no header
+function DeflateRaw(opts) {
+  if (!(this instanceof DeflateRaw)) return new DeflateRaw(opts);
+  Zlib.call(this, opts, binding.DEFLATERAW);
+}
+
+function InflateRaw(opts) {
+  if (!(this instanceof InflateRaw)) return new InflateRaw(opts);
+  Zlib.call(this, opts, binding.INFLATERAW);
+}
+
+// auto-detect header.
+function Unzip(opts) {
+  if (!(this instanceof Unzip)) return new Unzip(opts);
+  Zlib.call(this, opts, binding.UNZIP);
+}
+
+function isValidFlushFlag(flag) {
+  return flag === binding.Z_NO_FLUSH || flag === binding.Z_PARTIAL_FLUSH || flag === binding.Z_SYNC_FLUSH || flag === binding.Z_FULL_FLUSH || flag === binding.Z_FINISH || flag === binding.Z_BLOCK;
+}
+
+// the Zlib class they all inherit from
+// This thing manages the queue of requests, and returns
+// true or false if there is anything in the queue when
+// you call the .write() method.
+
+function Zlib(opts, mode) {
+  var _this = this;
+
+  this._opts = opts = opts || {};
+  this._chunkSize = opts.chunkSize || exports.Z_DEFAULT_CHUNK;
+
+  Transform.call(this, opts);
+
+  if (opts.flush && !isValidFlushFlag(opts.flush)) {
+    throw new Error('Invalid flush flag: ' + opts.flush);
+  }
+  if (opts.finishFlush && !isValidFlushFlag(opts.finishFlush)) {
+    throw new Error('Invalid flush flag: ' + opts.finishFlush);
+  }
+
+  this._flushFlag = opts.flush || binding.Z_NO_FLUSH;
+  this._finishFlushFlag = typeof opts.finishFlush !== 'undefined' ? opts.finishFlush : binding.Z_FINISH;
+
+  if (opts.chunkSize) {
+    if (opts.chunkSize < exports.Z_MIN_CHUNK || opts.chunkSize > exports.Z_MAX_CHUNK) {
+      throw new Error('Invalid chunk size: ' + opts.chunkSize);
+    }
+  }
+
+  if (opts.windowBits) {
+    if (opts.windowBits < exports.Z_MIN_WINDOWBITS || opts.windowBits > exports.Z_MAX_WINDOWBITS) {
+      throw new Error('Invalid windowBits: ' + opts.windowBits);
+    }
+  }
+
+  if (opts.level) {
+    if (opts.level < exports.Z_MIN_LEVEL || opts.level > exports.Z_MAX_LEVEL) {
+      throw new Error('Invalid compression level: ' + opts.level);
+    }
+  }
+
+  if (opts.memLevel) {
+    if (opts.memLevel < exports.Z_MIN_MEMLEVEL || opts.memLevel > exports.Z_MAX_MEMLEVEL) {
+      throw new Error('Invalid memLevel: ' + opts.memLevel);
+    }
+  }
+
+  if (opts.strategy) {
+    if (opts.strategy != exports.Z_FILTERED && opts.strategy != exports.Z_HUFFMAN_ONLY && opts.strategy != exports.Z_RLE && opts.strategy != exports.Z_FIXED && opts.strategy != exports.Z_DEFAULT_STRATEGY) {
+      throw new Error('Invalid strategy: ' + opts.strategy);
+    }
+  }
+
+  if (opts.dictionary) {
+    if (!Buffer.isBuffer(opts.dictionary)) {
+      throw new Error('Invalid dictionary: it should be a Buffer instance');
+    }
+  }
+
+  this._handle = new binding.Zlib(mode);
+
+  var self = this;
+  this._hadError = false;
+  this._handle.onerror = function (message, errno) {
+    // there is no way to cleanly recover.
+    // continuing only obscures problems.
+    _close(self);
+    self._hadError = true;
+
+    var error = new Error(message);
+    error.errno = errno;
+    error.code = exports.codes[errno];
+    self.emit('error', error);
+  };
+
+  var level = exports.Z_DEFAULT_COMPRESSION;
+  if (typeof opts.level === 'number') level = opts.level;
+
+  var strategy = exports.Z_DEFAULT_STRATEGY;
+  if (typeof opts.strategy === 'number') strategy = opts.strategy;
+
+  this._handle.init(opts.windowBits || exports.Z_DEFAULT_WINDOWBITS, level, opts.memLevel || exports.Z_DEFAULT_MEMLEVEL, strategy, opts.dictionary);
+
+  this._buffer = Buffer.allocUnsafe(this._chunkSize);
+  this._offset = 0;
+  this._level = level;
+  this._strategy = strategy;
+
+  this.once('end', this.close);
+
+  Object.defineProperty(this, '_closed', {
+    get: function () {
+      return !_this._handle;
+    },
+    configurable: true,
+    enumerable: true
+  });
+}
+
+util.inherits(Zlib, Transform);
+
+Zlib.prototype.params = function (level, strategy, callback) {
+  if (level < exports.Z_MIN_LEVEL || level > exports.Z_MAX_LEVEL) {
+    throw new RangeError('Invalid compression level: ' + level);
+  }
+  if (strategy != exports.Z_FILTERED && strategy != exports.Z_HUFFMAN_ONLY && strategy != exports.Z_RLE && strategy != exports.Z_FIXED && strategy != exports.Z_DEFAULT_STRATEGY) {
+    throw new TypeError('Invalid strategy: ' + strategy);
+  }
+
+  if (this._level !== level || this._strategy !== strategy) {
+    var self = this;
+    this.flush(binding.Z_SYNC_FLUSH, function () {
+      assert(self._handle, 'zlib binding closed');
+      self._handle.params(level, strategy);
+      if (!self._hadError) {
+        self._level = level;
+        self._strategy = strategy;
+        if (callback) callback();
+      }
+    });
+  } else {
+    process.nextTick(callback);
+  }
+};
+
+Zlib.prototype.reset = function () {
+  assert(this._handle, 'zlib binding closed');
+  return this._handle.reset();
+};
+
+// This is the _flush function called by the transform class,
+// internally, when the last chunk has been written.
+Zlib.prototype._flush = function (callback) {
+  this._transform(Buffer.alloc(0), '', callback);
+};
+
+Zlib.prototype.flush = function (kind, callback) {
+  var _this2 = this;
+
+  var ws = this._writableState;
+
+  if (typeof kind === 'function' || kind === undefined && !callback) {
+    callback = kind;
+    kind = binding.Z_FULL_FLUSH;
+  }
+
+  if (ws.ended) {
+    if (callback) process.nextTick(callback);
+  } else if (ws.ending) {
+    if (callback) this.once('end', callback);
+  } else if (ws.needDrain) {
+    if (callback) {
+      this.once('drain', function () {
+        return _this2.flush(kind, callback);
+      });
+    }
+  } else {
+    this._flushFlag = kind;
+    this.write(Buffer.alloc(0), '', callback);
+  }
+};
+
+Zlib.prototype.close = function (callback) {
+  _close(this, callback);
+  process.nextTick(emitCloseNT, this);
+};
+
+function _close(engine, callback) {
+  if (callback) process.nextTick(callback);
+
+  // Caller may invoke .close after a zlib error (which will null _handle).
+  if (!engine._handle) return;
+
+  engine._handle.close();
+  engine._handle = null;
+}
+
+function emitCloseNT(self) {
+  self.emit('close');
+}
+
+Zlib.prototype._transform = function (chunk, encoding, cb) {
+  var flushFlag;
+  var ws = this._writableState;
+  var ending = ws.ending || ws.ended;
+  var last = ending && (!chunk || ws.length === chunk.length);
+
+  if (chunk !== null && !Buffer.isBuffer(chunk)) return cb(new Error('invalid input'));
+
+  if (!this._handle) return cb(new Error('zlib binding closed'));
+
+  // If it's the last chunk, or a final flush, we use the Z_FINISH flush flag
+  // (or whatever flag was provided using opts.finishFlush).
+  // If it's explicitly flushing at some other time, then we use
+  // Z_FULL_FLUSH. Otherwise, use Z_NO_FLUSH for maximum compression
+  // goodness.
+  if (last) flushFlag = this._finishFlushFlag;else {
+    flushFlag = this._flushFlag;
+    // once we've flushed the last of the queue, stop flushing and
+    // go back to the normal behavior.
+    if (chunk.length >= ws.length) {
+      this._flushFlag = this._opts.flush || binding.Z_NO_FLUSH;
+    }
+  }
+
+  this._processChunk(chunk, flushFlag, cb);
+};
+
+Zlib.prototype._processChunk = function (chunk, flushFlag, cb) {
+  var availInBefore = chunk && chunk.length;
+  var availOutBefore = this._chunkSize - this._offset;
+  var inOff = 0;
+
+  var self = this;
+
+  var async = typeof cb === 'function';
+
+  if (!async) {
+    var buffers = [];
+    var nread = 0;
+
+    var error;
+    this.on('error', function (er) {
+      error = er;
+    });
+
+    assert(this._handle, 'zlib binding closed');
+    do {
+      var res = this._handle.writeSync(flushFlag, chunk, // in
+      inOff, // in_off
+      availInBefore, // in_len
+      this._buffer, // out
+      this._offset, //out_off
+      availOutBefore); // out_len
+    } while (!this._hadError && callback(res[0], res[1]));
+
+    if (this._hadError) {
+      throw error;
+    }
+
+    if (nread >= kMaxLength) {
+      _close(this);
+      throw new RangeError(kRangeErrorMessage);
+    }
+
+    var buf = Buffer.concat(buffers, nread);
+    _close(this);
+
+    return buf;
+  }
+
+  assert(this._handle, 'zlib binding closed');
+  var req = this._handle.write(flushFlag, chunk, // in
+  inOff, // in_off
+  availInBefore, // in_len
+  this._buffer, // out
+  this._offset, //out_off
+  availOutBefore); // out_len
+
+  req.buffer = chunk;
+  req.callback = callback;
+
+  function callback(availInAfter, availOutAfter) {
+    // When the callback is used in an async write, the callback's
+    // context is the `req` object that was created. The req object
+    // is === this._handle, and that's why it's important to null
+    // out the values after they are done being used. `this._handle`
+    // can stay in memory longer than the callback and buffer are needed.
+    if (this) {
+      this.buffer = null;
+      this.callback = null;
+    }
+
+    if (self._hadError) return;
+
+    var have = availOutBefore - availOutAfter;
+    assert(have >= 0, 'have should not go down');
+
+    if (have > 0) {
+      var out = self._buffer.slice(self._offset, self._offset + have);
+      self._offset += have;
+      // serve some output to the consumer.
+      if (async) {
+        self.push(out);
+      } else {
+        buffers.push(out);
+        nread += out.length;
+      }
+    }
+
+    // exhausted the output buffer, or used all the input create a new one.
+    if (availOutAfter === 0 || self._offset >= self._chunkSize) {
+      availOutBefore = self._chunkSize;
+      self._offset = 0;
+      self._buffer = Buffer.allocUnsafe(self._chunkSize);
+    }
+
+    if (availOutAfter === 0) {
+      // Not actually done.  Need to reprocess.
+      // Also, update the availInBefore to the availInAfter value,
+      // so that if we have to hit it a third (fourth, etc.) time,
+      // it'll have the correct byte counts.
+      inOff += availInBefore - availInAfter;
+      availInBefore = availInAfter;
+
+      if (!async) return true;
+
+      var newReq = self._handle.write(flushFlag, chunk, inOff, availInBefore, self._buffer, self._offset, self._chunkSize);
+      newReq.callback = callback; // this same function
+      newReq.buffer = chunk;
+      return;
+    }
+
+    if (!async) return false;
+
+    // finished with the chunk.
+    cb();
+  }
+};
+
+util.inherits(Deflate, Zlib);
+util.inherits(Inflate, Zlib);
+util.inherits(Gzip, Zlib);
+util.inherits(Gunzip, Zlib);
+util.inherits(DeflateRaw, Zlib);
+util.inherits(InflateRaw, Zlib);
+util.inherits(Unzip, Zlib);
\ No newline at end of file
diff --git a/node_modules/browserify-zlib/package.json b/node_modules/browserify-zlib/package.json
new file mode 100644
index 00000000..d8bd834f
--- /dev/null
+++ b/node_modules/browserify-zlib/package.json
@@ -0,0 +1,64 @@
+{
+  "name": "browserify-zlib",
+  "version": "0.2.0",
+  "description": "Full zlib module for the browser",
+  "keywords": [
+    "zlib",
+    "browserify"
+  ],
+  "main": "lib/index.js",
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "pako": "~1.0.5"
+  },
+  "devDependencies": {
+    "assert": "^1.4.1",
+    "babel-cli": "^6.24.1",
+    "babel-plugin-transform-es2015-arrow-functions": "^6.22.0",
+    "babel-plugin-transform-es2015-block-scoping": "^6.24.1",
+    "babel-plugin-transform-es2015-template-literals": "^6.22.0",
+    "babelify": "^7.3.0",
+    "brfs": "^1.4.3",
+    "browserify": "^14.4.0",
+    "exec-glob": "^1.2.2",
+    "glob": "^7.1.2",
+    "karma": "^1.7.0",
+    "karma-chrome-launcher": "^2.1.1",
+    "karma-firefox-launcher": "^1.0.1",
+    "karma-mocha": "^1.3.0",
+    "karma-mocha-own-reporter": "^1.1.2",
+    "karma-phantomjs-launcher": "^1.0.4",
+    "mocha": "^3.4.2",
+    "phantomjs-prebuilt": "^2.1.14",
+    "standard": "^10.0.2",
+    "watchify": "^3.9.0"
+  },
+  "scripts": {
+    "build": "babel src --out-dir lib",
+    "lint": "standard \"*.js\" \"!(node_modules|lib)/!(*test-zlib*|index).js\"",
+    "pretest": "npm run build",
+    "test": "npm run test:node && npm run test:browser",
+    "test:node": "node node_modules/exec-glob node \"test/test-*\"",
+    "pretest:browser": "node test/build",
+    "test:browser": "karma start --single-run=true karma.conf.js"
+  },
+  "babel": {
+    "plugins": [
+      "transform-es2015-arrow-functions",
+      "transform-es2015-block-scoping",
+      "transform-es2015-template-literals"
+    ]
+  },
+  "author": "Devon Govett <devongovett@gmail.com>",
+  "homepage": "https://github.com/devongovett/browserify-zlib",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/devongovett/browserify-zlib.git"
+  },
+  "bugs": {
+    "url": "https://github.com/devongovett/browserify-zlib/issues"
+  }
+}
diff --git a/node_modules/browserify-zlib/src/binding.js b/node_modules/browserify-zlib/src/binding.js
new file mode 100644
index 00000000..14e419d2
--- /dev/null
+++ b/node_modules/browserify-zlib/src/binding.js
@@ -0,0 +1,432 @@
+'use strict'
+/* eslint camelcase: "off" */
+
+var assert = require('assert')
+
+var Zstream = require('pako/lib/zlib/zstream')
+var zlib_deflate = require('pako/lib/zlib/deflate.js')
+var zlib_inflate = require('pako/lib/zlib/inflate.js')
+var constants = require('pako/lib/zlib/constants')
+
+for (var key in constants) {
+  exports[key] = constants[key]
+}
+
+// zlib modes
+exports.NONE = 0
+exports.DEFLATE = 1
+exports.INFLATE = 2
+exports.GZIP = 3
+exports.GUNZIP = 4
+exports.DEFLATERAW = 5
+exports.INFLATERAW = 6
+exports.UNZIP = 7
+
+var GZIP_HEADER_ID1 = 0x1f
+var GZIP_HEADER_ID2 = 0x8b
+
+/**
+ * Emulate Node's zlib C++ layer for use by the JS layer in index.js
+ */
+function Zlib (mode) {
+  if (typeof mode !== 'number' || mode < exports.DEFLATE || mode > exports.UNZIP) {
+    throw new TypeError('Bad argument')
+  }
+
+  this.dictionary = null
+  this.err = 0
+  this.flush = 0
+  this.init_done = false
+  this.level = 0
+  this.memLevel = 0
+  this.mode = mode
+  this.strategy = 0
+  this.windowBits = 0
+  this.write_in_progress = false
+  this.pending_close = false
+  this.gzip_id_bytes_read = 0
+}
+
+Zlib.prototype.close = function () {
+  if (this.write_in_progress) {
+    this.pending_close = true
+    return
+  }
+
+  this.pending_close = false
+
+  assert(this.init_done, 'close before init')
+  assert(this.mode <= exports.UNZIP)
+
+  if (this.mode === exports.DEFLATE || this.mode === exports.GZIP || this.mode === exports.DEFLATERAW) {
+    zlib_deflate.deflateEnd(this.strm)
+  } else if (this.mode === exports.INFLATE || this.mode === exports.GUNZIP ||
+      this.mode === exports.INFLATERAW || this.mode === exports.UNZIP) {
+    zlib_inflate.inflateEnd(this.strm)
+  }
+
+  this.mode = exports.NONE
+
+  this.dictionary = null
+}
+
+Zlib.prototype.write = function (flush, input, in_off, in_len, out, out_off, out_len) {
+  return this._write(true, flush, input, in_off, in_len, out, out_off, out_len)
+}
+
+Zlib.prototype.writeSync = function (flush, input, in_off, in_len, out, out_off, out_len) {
+  return this._write(false, flush, input, in_off, in_len, out, out_off, out_len)
+}
+
+Zlib.prototype._write = function (async, flush, input, in_off, in_len, out, out_off, out_len) {
+  assert.equal(arguments.length, 8)
+
+  assert(this.init_done, 'write before init')
+  assert(this.mode !== exports.NONE, 'already finalized')
+  assert.equal(false, this.write_in_progress, 'write already in progress')
+  assert.equal(false, this.pending_close, 'close is pending')
+
+  this.write_in_progress = true
+
+  assert.equal(false, flush === undefined, 'must provide flush value')
+
+  this.write_in_progress = true
+
+  if (flush !== exports.Z_NO_FLUSH &&
+    flush !== exports.Z_PARTIAL_FLUSH &&
+    flush !== exports.Z_SYNC_FLUSH &&
+    flush !== exports.Z_FULL_FLUSH &&
+    flush !== exports.Z_FINISH &&
+    flush !== exports.Z_BLOCK) {
+    throw new Error('Invalid flush value')
+  }
+
+  if (input == null) {
+    input = Buffer.alloc(0)
+    in_len = 0
+    in_off = 0
+  }
+
+  this.strm.avail_in = in_len
+  this.strm.input = input
+  this.strm.next_in = in_off
+  this.strm.avail_out = out_len
+  this.strm.output = out
+  this.strm.next_out = out_off
+  this.flush = flush
+
+  if (!async) {
+    // sync version
+    this._process()
+
+    if (this._checkError()) {
+      return this._afterSync()
+    }
+    return
+  }
+
+  // async version
+  var self = this
+  process.nextTick(function () {
+    self._process()
+    self._after()
+  })
+
+  return this
+}
+
+Zlib.prototype._afterSync = function () {
+  var avail_out = this.strm.avail_out
+  var avail_in = this.strm.avail_in
+
+  this.write_in_progress = false
+
+  return [avail_in, avail_out]
+}
+
+Zlib.prototype._process = function () {
+  var next_expected_header_byte = null
+
+  // If the avail_out is left at 0, then it means that it ran out
+  // of room.  If there was avail_out left over, then it means
+  // that all of the input was consumed.
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.GZIP:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflate(this.strm, this.flush)
+      break
+    case exports.UNZIP:
+      if (this.strm.avail_in > 0) {
+        next_expected_header_byte = this.strm.next_in
+      }
+
+      switch (this.gzip_id_bytes_read) {
+        case 0:
+          if (next_expected_header_byte === null) {
+            break
+          }
+
+          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID1) {
+            this.gzip_id_bytes_read = 1
+            next_expected_header_byte++
+
+            if (this.strm.avail_in === 1) {
+              // The only available byte was already read.
+              break
+            }
+          } else {
+            this.mode = exports.INFLATE
+            break
+          }
+
+          // fallthrough
+        case 1:
+          if (next_expected_header_byte === null) {
+            break
+          }
+
+          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID2) {
+            this.gzip_id_bytes_read = 2
+            this.mode = exports.GUNZIP
+          } else {
+            // There is no actual difference between INFLATE and INFLATERAW
+            // (after initialization).
+            this.mode = exports.INFLATE
+          }
+
+          break
+        default:
+          throw new Error('invalid number of gzip magic number bytes read')
+      }
+
+      // fallthrough
+    case exports.INFLATE:
+    case exports.GUNZIP:
+    case exports.INFLATERAW:
+      this.err = zlib_inflate.inflate(this.strm, this.flush)
+
+      // If data was encoded with dictionary
+      if (this.err === exports.Z_NEED_DICT && this.dictionary) {
+        // Load it
+        this.err = zlib_inflate.inflateSetDictionary(this.strm, this.dictionary)
+        if (this.err === exports.Z_OK) {
+          // And try to decode again
+          this.err = zlib_inflate.inflate(this.strm, this.flush)
+        } else if (this.err === exports.Z_DATA_ERROR) {
+          // Both inflateSetDictionary() and inflate() return Z_DATA_ERROR.
+          // Make it possible for After() to tell a bad dictionary from bad
+          // input.
+          this.err = exports.Z_NEED_DICT
+        }
+      }
+      while (this.strm.avail_in > 0 &&
+             this.mode === exports.GUNZIP &&
+             this.err === exports.Z_STREAM_END &&
+             this.strm.next_in[0] !== 0x00) {
+        // Bytes remain in input buffer. Perhaps this is another compressed
+        // member in the same archive, or just trailing garbage.
+        // Trailing zero bytes are okay, though, since they are frequently
+        // used for padding.
+
+        this.reset()
+        this.err = zlib_inflate.inflate(this.strm, this.flush)
+      }
+      break
+    default:
+      throw new Error('Unknown mode ' + this.mode)
+  }
+}
+
+Zlib.prototype._checkError = function () {
+  // Acceptable error states depend on the type of zlib stream.
+  switch (this.err) {
+    case exports.Z_OK:
+    case exports.Z_BUF_ERROR:
+      if (this.strm.avail_out !== 0 && this.flush === exports.Z_FINISH) {
+        this._error('unexpected end of file')
+        return false
+      }
+      break
+    case exports.Z_STREAM_END:
+      // normal statuses, not fatal
+      break
+    case exports.Z_NEED_DICT:
+      if (this.dictionary == null) {
+        this._error('Missing dictionary')
+      } else {
+        this._error('Bad dictionary')
+      }
+      return false
+    default:
+      // something else.
+      this._error('Zlib error')
+      return false
+  }
+
+  return true
+}
+
+Zlib.prototype._after = function () {
+  if (!this._checkError()) {
+    return
+  }
+
+  var avail_out = this.strm.avail_out
+  var avail_in = this.strm.avail_in
+
+  this.write_in_progress = false
+
+  // call the write() cb
+  this.callback(avail_in, avail_out)
+
+  if (this.pending_close) {
+    this.close()
+  }
+}
+
+Zlib.prototype._error = function (message) {
+  if (this.strm.msg) {
+    message = this.strm.msg
+  }
+  this.onerror(message, this.err)
+
+  // no hope of rescue.
+  this.write_in_progress = false
+  if (this.pending_close) {
+    this.close()
+  }
+}
+
+Zlib.prototype.init = function (windowBits, level, memLevel, strategy, dictionary) {
+  assert(arguments.length === 4 || arguments.length === 5, 'init(windowBits, level, memLevel, strategy, [dictionary])')
+
+  assert(windowBits >= 8 && windowBits <= 15, 'invalid windowBits')
+  assert(level >= -1 && level <= 9, 'invalid compression level')
+
+  assert(memLevel >= 1 && memLevel <= 9, 'invalid memlevel')
+
+  assert(strategy === exports.Z_FILTERED ||
+         strategy === exports.Z_HUFFMAN_ONLY ||
+         strategy === exports.Z_RLE ||
+         strategy === exports.Z_FIXED ||
+         strategy === exports.Z_DEFAULT_STRATEGY, 'invalid strategy')
+
+  this._init(level, windowBits, memLevel, strategy, dictionary)
+  this._setDictionary()
+}
+
+Zlib.prototype.params = function () {
+  throw new Error('deflateParams Not supported')
+}
+
+Zlib.prototype.reset = function () {
+  this._reset()
+  this._setDictionary()
+}
+
+Zlib.prototype._init = function (level, windowBits, memLevel, strategy, dictionary) {
+  this.level = level
+  this.windowBits = windowBits
+  this.memLevel = memLevel
+  this.strategy = strategy
+
+  this.flush = exports.Z_NO_FLUSH
+
+  this.err = exports.Z_OK
+
+  if (this.mode === exports.GZIP || this.mode === exports.GUNZIP) {
+    this.windowBits += 16
+  }
+
+  if (this.mode === exports.UNZIP) {
+    this.windowBits += 32
+  }
+
+  if (this.mode === exports.DEFLATERAW || this.mode === exports.INFLATERAW) {
+    this.windowBits = -1 * this.windowBits
+  }
+
+  this.strm = new Zstream()
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.GZIP:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflateInit2(
+        this.strm,
+        this.level,
+        exports.Z_DEFLATED,
+        this.windowBits,
+        this.memLevel,
+        this.strategy
+      )
+      break
+    case exports.INFLATE:
+    case exports.GUNZIP:
+    case exports.INFLATERAW:
+    case exports.UNZIP:
+      this.err = zlib_inflate.inflateInit2(
+        this.strm,
+        this.windowBits
+      )
+      break
+    default:
+      throw new Error('Unknown mode ' + this.mode)
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Init error')
+  }
+
+  this.dictionary = dictionary
+
+  this.write_in_progress = false
+  this.init_done = true
+}
+
+Zlib.prototype._setDictionary = function () {
+  if (this.dictionary == null) {
+    return
+  }
+
+  this.err = exports.Z_OK
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.DEFLATERAW:
+      this.err = zlib_deflate.deflateSetDictionary(this.strm, this.dictionary)
+      break
+    default:
+      break
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Failed to set dictionary')
+  }
+}
+
+Zlib.prototype._reset = function () {
+  this.err = exports.Z_OK
+
+  switch (this.mode) {
+    case exports.DEFLATE:
+    case exports.DEFLATERAW:
+    case exports.GZIP:
+      this.err = zlib_deflate.deflateReset(this.strm)
+      break
+    case exports.INFLATE:
+    case exports.INFLATERAW:
+    case exports.GUNZIP:
+      this.err = zlib_inflate.inflateReset(this.strm)
+      break
+    default:
+      break
+  }
+
+  if (this.err !== exports.Z_OK) {
+    this._error('Failed to reset stream')
+  }
+}
+
+exports.Zlib = Zlib
diff --git a/node_modules/browserify-zlib/src/index.js b/node_modules/browserify-zlib/src/index.js
new file mode 100644
index 00000000..12f1ad03
--- /dev/null
+++ b/node_modules/browserify-zlib/src/index.js
@@ -0,0 +1,650 @@
+'use strict';
+
+const Buffer = require('buffer').Buffer;
+const Transform = require('stream').Transform;
+const binding = require('./binding');
+const util = require('util');
+const assert = require('assert').ok;
+const kMaxLength = require('buffer').kMaxLength;
+const kRangeErrorMessage = 'Cannot create final Buffer. It would be larger ' +
+                           'than 0x' + kMaxLength.toString(16) + ' bytes';
+
+// zlib doesn't provide these, so kludge them in following the same
+// const naming scheme zlib uses.
+binding.Z_MIN_WINDOWBITS = 8;
+binding.Z_MAX_WINDOWBITS = 15;
+binding.Z_DEFAULT_WINDOWBITS = 15;
+
+// fewer than 64 bytes per chunk is stupid.
+// technically it could work with as few as 8, but even 64 bytes
+// is absurdly low.  Usually a MB or more is best.
+binding.Z_MIN_CHUNK = 64;
+binding.Z_MAX_CHUNK = Infinity;
+binding.Z_DEFAULT_CHUNK = (16 * 1024);
+
+binding.Z_MIN_MEMLEVEL = 1;
+binding.Z_MAX_MEMLEVEL = 9;
+binding.Z_DEFAULT_MEMLEVEL = 8;
+
+binding.Z_MIN_LEVEL = -1;
+binding.Z_MAX_LEVEL = 9;
+binding.Z_DEFAULT_LEVEL = binding.Z_DEFAULT_COMPRESSION;
+
+// expose all the zlib constants
+const bkeys = Object.keys(binding);
+for (var bk = 0; bk < bkeys.length; bk++) {
+  var bkey = bkeys[bk];
+  if (bkey.match(/^Z/)) {
+    Object.defineProperty(exports, bkey, {
+      enumerable: true, value: binding[bkey], writable: false
+    });
+  }
+}
+
+// translation table for return codes.
+const codes = {
+  Z_OK: binding.Z_OK,
+  Z_STREAM_END: binding.Z_STREAM_END,
+  Z_NEED_DICT: binding.Z_NEED_DICT,
+  Z_ERRNO: binding.Z_ERRNO,
+  Z_STREAM_ERROR: binding.Z_STREAM_ERROR,
+  Z_DATA_ERROR: binding.Z_DATA_ERROR,
+  Z_MEM_ERROR: binding.Z_MEM_ERROR,
+  Z_BUF_ERROR: binding.Z_BUF_ERROR,
+  Z_VERSION_ERROR: binding.Z_VERSION_ERROR
+};
+
+const ckeys = Object.keys(codes);
+for (var ck = 0; ck < ckeys.length; ck++) {
+  var ckey = ckeys[ck];
+  codes[codes[ckey]] = ckey;
+}
+
+Object.defineProperty(exports, 'codes', {
+  enumerable: true, value: Object.freeze(codes), writable: false
+});
+
+exports.Deflate = Deflate;
+exports.Inflate = Inflate;
+exports.Gzip = Gzip;
+exports.Gunzip = Gunzip;
+exports.DeflateRaw = DeflateRaw;
+exports.InflateRaw = InflateRaw;
+exports.Unzip = Unzip;
+
+exports.createDeflate = function(o) {
+  return new Deflate(o);
+};
+
+exports.createInflate = function(o) {
+  return new Inflate(o);
+};
+
+exports.createDeflateRaw = function(o) {
+  return new DeflateRaw(o);
+};
+
+exports.createInflateRaw = function(o) {
+  return new InflateRaw(o);
+};
+
+exports.createGzip = function(o) {
+  return new Gzip(o);
+};
+
+exports.createGunzip = function(o) {
+  return new Gunzip(o);
+};
+
+exports.createUnzip = function(o) {
+  return new Unzip(o);
+};
+
+
+// Convenience methods.
+// compress/decompress a string or buffer in one step.
+exports.deflate = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Deflate(opts), buffer, callback);
+};
+
+exports.deflateSync = function(buffer, opts) {
+  return zlibBufferSync(new Deflate(opts), buffer);
+};
+
+exports.gzip = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Gzip(opts), buffer, callback);
+};
+
+exports.gzipSync = function(buffer, opts) {
+  return zlibBufferSync(new Gzip(opts), buffer);
+};
+
+exports.deflateRaw = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new DeflateRaw(opts), buffer, callback);
+};
+
+exports.deflateRawSync = function(buffer, opts) {
+  return zlibBufferSync(new DeflateRaw(opts), buffer);
+};
+
+exports.unzip = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Unzip(opts), buffer, callback);
+};
+
+exports.unzipSync = function(buffer, opts) {
+  return zlibBufferSync(new Unzip(opts), buffer);
+};
+
+exports.inflate = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Inflate(opts), buffer, callback);
+};
+
+exports.inflateSync = function(buffer, opts) {
+  return zlibBufferSync(new Inflate(opts), buffer);
+};
+
+exports.gunzip = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new Gunzip(opts), buffer, callback);
+};
+
+exports.gunzipSync = function(buffer, opts) {
+  return zlibBufferSync(new Gunzip(opts), buffer);
+};
+
+exports.inflateRaw = function(buffer, opts, callback) {
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  return zlibBuffer(new InflateRaw(opts), buffer, callback);
+};
+
+exports.inflateRawSync = function(buffer, opts) {
+  return zlibBufferSync(new InflateRaw(opts), buffer);
+};
+
+function zlibBuffer(engine, buffer, callback) {
+  var buffers = [];
+  var nread = 0;
+
+  engine.on('error', onError);
+  engine.on('end', onEnd);
+
+  engine.end(buffer);
+  flow();
+
+  function flow() {
+    var chunk;
+    while (null !== (chunk = engine.read())) {
+      buffers.push(chunk);
+      nread += chunk.length;
+    }
+    engine.once('readable', flow);
+  }
+
+  function onError(err) {
+    engine.removeListener('end', onEnd);
+    engine.removeListener('readable', flow);
+    callback(err);
+  }
+
+  function onEnd() {
+    var buf;
+    var err = null;
+
+    if (nread >= kMaxLength) {
+      err = new RangeError(kRangeErrorMessage);
+    } else {
+      buf = Buffer.concat(buffers, nread);
+    }
+
+    buffers = [];
+    engine.close();
+    callback(err, buf);
+  }
+}
+
+function zlibBufferSync(engine, buffer) {
+  if (typeof buffer === 'string')
+    buffer = Buffer.from(buffer);
+
+  if (!Buffer.isBuffer(buffer))
+    throw new TypeError('Not a string or buffer');
+
+  var flushFlag = engine._finishFlushFlag;
+
+  return engine._processChunk(buffer, flushFlag);
+}
+
+// generic zlib
+// minimal 2-byte header
+function Deflate(opts) {
+  if (!(this instanceof Deflate)) return new Deflate(opts);
+  Zlib.call(this, opts, binding.DEFLATE);
+}
+
+function Inflate(opts) {
+  if (!(this instanceof Inflate)) return new Inflate(opts);
+  Zlib.call(this, opts, binding.INFLATE);
+}
+
+
+// gzip - bigger header, same deflate compression
+function Gzip(opts) {
+  if (!(this instanceof Gzip)) return new Gzip(opts);
+  Zlib.call(this, opts, binding.GZIP);
+}
+
+function Gunzip(opts) {
+  if (!(this instanceof Gunzip)) return new Gunzip(opts);
+  Zlib.call(this, opts, binding.GUNZIP);
+}
+
+
+// raw - no header
+function DeflateRaw(opts) {
+  if (!(this instanceof DeflateRaw)) return new DeflateRaw(opts);
+  Zlib.call(this, opts, binding.DEFLATERAW);
+}
+
+function InflateRaw(opts) {
+  if (!(this instanceof InflateRaw)) return new InflateRaw(opts);
+  Zlib.call(this, opts, binding.INFLATERAW);
+}
+
+
+// auto-detect header.
+function Unzip(opts) {
+  if (!(this instanceof Unzip)) return new Unzip(opts);
+  Zlib.call(this, opts, binding.UNZIP);
+}
+
+function isValidFlushFlag(flag) {
+  return flag === binding.Z_NO_FLUSH ||
+         flag === binding.Z_PARTIAL_FLUSH ||
+         flag === binding.Z_SYNC_FLUSH ||
+         flag === binding.Z_FULL_FLUSH ||
+         flag === binding.Z_FINISH ||
+         flag === binding.Z_BLOCK;
+}
+
+// the Zlib class they all inherit from
+// This thing manages the queue of requests, and returns
+// true or false if there is anything in the queue when
+// you call the .write() method.
+
+function Zlib(opts, mode) {
+  this._opts = opts = opts || {};
+  this._chunkSize = opts.chunkSize || exports.Z_DEFAULT_CHUNK;
+
+  Transform.call(this, opts);
+
+  if (opts.flush && !isValidFlushFlag(opts.flush)) {
+    throw new Error('Invalid flush flag: ' + opts.flush);
+  }
+  if (opts.finishFlush && !isValidFlushFlag(opts.finishFlush)) {
+    throw new Error('Invalid flush flag: ' + opts.finishFlush);
+  }
+
+  this._flushFlag = opts.flush || binding.Z_NO_FLUSH;
+  this._finishFlushFlag = typeof opts.finishFlush !== 'undefined' ?
+    opts.finishFlush : binding.Z_FINISH;
+
+  if (opts.chunkSize) {
+    if (opts.chunkSize < exports.Z_MIN_CHUNK ||
+        opts.chunkSize > exports.Z_MAX_CHUNK) {
+      throw new Error('Invalid chunk size: ' + opts.chunkSize);
+    }
+  }
+
+  if (opts.windowBits) {
+    if (opts.windowBits < exports.Z_MIN_WINDOWBITS ||
+        opts.windowBits > exports.Z_MAX_WINDOWBITS) {
+      throw new Error('Invalid windowBits: ' + opts.windowBits);
+    }
+  }
+
+  if (opts.level) {
+    if (opts.level < exports.Z_MIN_LEVEL ||
+        opts.level > exports.Z_MAX_LEVEL) {
+      throw new Error('Invalid compression level: ' + opts.level);
+    }
+  }
+
+  if (opts.memLevel) {
+    if (opts.memLevel < exports.Z_MIN_MEMLEVEL ||
+        opts.memLevel > exports.Z_MAX_MEMLEVEL) {
+      throw new Error('Invalid memLevel: ' + opts.memLevel);
+    }
+  }
+
+  if (opts.strategy) {
+    if (opts.strategy != exports.Z_FILTERED &&
+        opts.strategy != exports.Z_HUFFMAN_ONLY &&
+        opts.strategy != exports.Z_RLE &&
+        opts.strategy != exports.Z_FIXED &&
+        opts.strategy != exports.Z_DEFAULT_STRATEGY) {
+      throw new Error('Invalid strategy: ' + opts.strategy);
+    }
+  }
+
+  if (opts.dictionary) {
+    if (!Buffer.isBuffer(opts.dictionary)) {
+      throw new Error('Invalid dictionary: it should be a Buffer instance');
+    }
+  }
+
+  this._handle = new binding.Zlib(mode);
+
+  var self = this;
+  this._hadError = false;
+  this._handle.onerror = function(message, errno) {
+    // there is no way to cleanly recover.
+    // continuing only obscures problems.
+    _close(self);
+    self._hadError = true;
+
+    var error = new Error(message);
+    error.errno = errno;
+    error.code = exports.codes[errno];
+    self.emit('error', error);
+  };
+
+  var level = exports.Z_DEFAULT_COMPRESSION;
+  if (typeof opts.level === 'number') level = opts.level;
+
+  var strategy = exports.Z_DEFAULT_STRATEGY;
+  if (typeof opts.strategy === 'number') strategy = opts.strategy;
+
+  this._handle.init(opts.windowBits || exports.Z_DEFAULT_WINDOWBITS,
+                    level,
+                    opts.memLevel || exports.Z_DEFAULT_MEMLEVEL,
+                    strategy,
+                    opts.dictionary);
+
+  this._buffer = Buffer.allocUnsafe(this._chunkSize);
+  this._offset = 0;
+  this._level = level;
+  this._strategy = strategy;
+
+  this.once('end', this.close);
+
+  Object.defineProperty(this, '_closed', {
+    get: () => { return !this._handle; },
+    configurable: true,
+    enumerable: true
+  });
+}
+
+util.inherits(Zlib, Transform);
+
+Zlib.prototype.params = function(level, strategy, callback) {
+  if (level < exports.Z_MIN_LEVEL ||
+      level > exports.Z_MAX_LEVEL) {
+    throw new RangeError('Invalid compression level: ' + level);
+  }
+  if (strategy != exports.Z_FILTERED &&
+      strategy != exports.Z_HUFFMAN_ONLY &&
+      strategy != exports.Z_RLE &&
+      strategy != exports.Z_FIXED &&
+      strategy != exports.Z_DEFAULT_STRATEGY) {
+    throw new TypeError('Invalid strategy: ' + strategy);
+  }
+
+  if (this._level !== level || this._strategy !== strategy) {
+    var self = this;
+    this.flush(binding.Z_SYNC_FLUSH, function() {
+      assert(self._handle, 'zlib binding closed');
+      self._handle.params(level, strategy);
+      if (!self._hadError) {
+        self._level = level;
+        self._strategy = strategy;
+        if (callback) callback();
+      }
+    });
+  } else {
+    process.nextTick(callback);
+  }
+};
+
+Zlib.prototype.reset = function() {
+  assert(this._handle, 'zlib binding closed');
+  return this._handle.reset();
+};
+
+// This is the _flush function called by the transform class,
+// internally, when the last chunk has been written.
+Zlib.prototype._flush = function(callback) {
+  this._transform(Buffer.alloc(0), '', callback);
+};
+
+Zlib.prototype.flush = function(kind, callback) {
+  var ws = this._writableState;
+
+  if (typeof kind === 'function' || (kind === undefined && !callback)) {
+    callback = kind;
+    kind = binding.Z_FULL_FLUSH;
+  }
+
+  if (ws.ended) {
+    if (callback)
+      process.nextTick(callback);
+  } else if (ws.ending) {
+    if (callback)
+      this.once('end', callback);
+  } else if (ws.needDrain) {
+    if (callback) {
+      this.once('drain', () => this.flush(kind, callback));
+    }
+  } else {
+    this._flushFlag = kind;
+    this.write(Buffer.alloc(0), '', callback);
+  }
+};
+
+Zlib.prototype.close = function(callback) {
+  _close(this, callback);
+  process.nextTick(emitCloseNT, this);
+};
+
+function _close(engine, callback) {
+  if (callback)
+    process.nextTick(callback);
+
+  // Caller may invoke .close after a zlib error (which will null _handle).
+  if (!engine._handle)
+    return;
+
+  engine._handle.close();
+  engine._handle = null;
+}
+
+function emitCloseNT(self) {
+  self.emit('close');
+}
+
+Zlib.prototype._transform = function(chunk, encoding, cb) {
+  var flushFlag;
+  var ws = this._writableState;
+  var ending = ws.ending || ws.ended;
+  var last = ending && (!chunk || ws.length === chunk.length);
+
+  if (chunk !== null && !Buffer.isBuffer(chunk))
+    return cb(new Error('invalid input'));
+
+  if (!this._handle)
+    return cb(new Error('zlib binding closed'));
+
+  // If it's the last chunk, or a final flush, we use the Z_FINISH flush flag
+  // (or whatever flag was provided using opts.finishFlush).
+  // If it's explicitly flushing at some other time, then we use
+  // Z_FULL_FLUSH. Otherwise, use Z_NO_FLUSH for maximum compression
+  // goodness.
+  if (last)
+    flushFlag = this._finishFlushFlag;
+  else {
+    flushFlag = this._flushFlag;
+    // once we've flushed the last of the queue, stop flushing and
+    // go back to the normal behavior.
+    if (chunk.length >= ws.length) {
+      this._flushFlag = this._opts.flush || binding.Z_NO_FLUSH;
+    }
+  }
+
+  this._processChunk(chunk, flushFlag, cb);
+};
+
+Zlib.prototype._processChunk = function(chunk, flushFlag, cb) {
+  var availInBefore = chunk && chunk.length;
+  var availOutBefore = this._chunkSize - this._offset;
+  var inOff = 0;
+
+  var self = this;
+
+  var async = typeof cb === 'function';
+
+  if (!async) {
+    var buffers = [];
+    var nread = 0;
+
+    var error;
+    this.on('error', function(er) {
+      error = er;
+    });
+
+    assert(this._handle, 'zlib binding closed');
+    do {
+      var res = this._handle.writeSync(flushFlag,
+                                       chunk, // in
+                                       inOff, // in_off
+                                       availInBefore, // in_len
+                                       this._buffer, // out
+                                       this._offset, //out_off
+                                       availOutBefore); // out_len
+    } while (!this._hadError && callback(res[0], res[1]));
+
+    if (this._hadError) {
+      throw error;
+    }
+
+    if (nread >= kMaxLength) {
+      _close(this);
+      throw new RangeError(kRangeErrorMessage);
+    }
+
+    var buf = Buffer.concat(buffers, nread);
+    _close(this);
+
+    return buf;
+  }
+
+  assert(this._handle, 'zlib binding closed');
+  var req = this._handle.write(flushFlag,
+                               chunk, // in
+                               inOff, // in_off
+                               availInBefore, // in_len
+                               this._buffer, // out
+                               this._offset, //out_off
+                               availOutBefore); // out_len
+
+  req.buffer = chunk;
+  req.callback = callback;
+
+  function callback(availInAfter, availOutAfter) {
+    // When the callback is used in an async write, the callback's
+    // context is the `req` object that was created. The req object
+    // is === this._handle, and that's why it's important to null
+    // out the values after they are done being used. `this._handle`
+    // can stay in memory longer than the callback and buffer are needed.
+    if (this) {
+      this.buffer = null;
+      this.callback = null;
+    }
+
+    if (self._hadError)
+      return;
+
+    var have = availOutBefore - availOutAfter;
+    assert(have >= 0, 'have should not go down');
+
+    if (have > 0) {
+      var out = self._buffer.slice(self._offset, self._offset + have);
+      self._offset += have;
+      // serve some output to the consumer.
+      if (async) {
+        self.push(out);
+      } else {
+        buffers.push(out);
+        nread += out.length;
+      }
+    }
+
+    // exhausted the output buffer, or used all the input create a new one.
+    if (availOutAfter === 0 || self._offset >= self._chunkSize) {
+      availOutBefore = self._chunkSize;
+      self._offset = 0;
+      self._buffer = Buffer.allocUnsafe(self._chunkSize);
+    }
+
+    if (availOutAfter === 0) {
+      // Not actually done.  Need to reprocess.
+      // Also, update the availInBefore to the availInAfter value,
+      // so that if we have to hit it a third (fourth, etc.) time,
+      // it'll have the correct byte counts.
+      inOff += (availInBefore - availInAfter);
+      availInBefore = availInAfter;
+
+      if (!async)
+        return true;
+
+      var newReq = self._handle.write(flushFlag,
+                                      chunk,
+                                      inOff,
+                                      availInBefore,
+                                      self._buffer,
+                                      self._offset,
+                                      self._chunkSize);
+      newReq.callback = callback; // this same function
+      newReq.buffer = chunk;
+      return;
+    }
+
+    if (!async)
+      return false;
+
+    // finished with the chunk.
+    cb();
+  }
+};
+
+util.inherits(Deflate, Zlib);
+util.inherits(Inflate, Zlib);
+util.inherits(Gzip, Zlib);
+util.inherits(Gunzip, Zlib);
+util.inherits(DeflateRaw, Zlib);
+util.inherits(InflateRaw, Zlib);
+util.inherits(Unzip, Zlib);
diff --git a/node_modules/browserify-zlib/yarn.lock b/node_modules/browserify-zlib/yarn.lock
new file mode 100644
index 00000000..f3991b1e
--- /dev/null
+++ b/node_modules/browserify-zlib/yarn.lock
@@ -0,0 +1,3819 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+JSONStream@^1.0.3:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.1.tgz#707f761e01dae9e16f1bcf93703b78c70966579a"
+  dependencies:
+    jsonparse "^1.2.0"
+    through ">=2.2.7 <3"
+
+abbrev@1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
+
+accepts@1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
+  dependencies:
+    mime-types "~2.1.11"
+    negotiator "0.6.1"
+
+acorn-jsx@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  dependencies:
+    acorn "^3.0.4"
+
+acorn@^1.0.3:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-1.2.2.tgz#c8ce27de0acc76d896d2b1fad3df588d9e82f014"
+
+acorn@^3.0.4:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+
+acorn@^4.0.3:
+  version "4.0.13"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
+
+acorn@^5.0.1:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.0.3.tgz#c460df08491463f028ccb82eab3730bf01087b3d"
+
+after@0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
+
+ajv-keywords@^1.0.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
+
+ajv@^4.7.0, ajv@^4.9.1:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
+  dependencies:
+    co "^4.6.0"
+    json-stable-stringify "^1.0.1"
+
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+
+ansi-escapes@^1.1.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+
+ansi-styles@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+
+anymatch@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.0.tgz#a3e52fa39168c825ff57b0248126ce5a8ff95507"
+  dependencies:
+    arrify "^1.0.0"
+    micromatch "^2.1.5"
+
+aproba@^1.0.3:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.1.2.tgz#45c6629094de4e96f693ef7eab74ae079c240fc1"
+
+are-we-there-yet@~1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz#bb5dca382bb94f05e15194373d16fd3ba1ca110d"
+  dependencies:
+    delegates "^1.0.0"
+    readable-stream "^2.0.6"
+
+argparse@^1.0.7:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  dependencies:
+    sprintf-js "~1.0.2"
+
+arr-diff@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
+  dependencies:
+    arr-flatten "^1.0.1"
+
+arr-flatten@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.0.3.tgz#a274ed85ac08849b6bd7847c4580745dc51adfb1"
+
+array-filter@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
+
+array-map@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
+
+array-reduce@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
+
+array-slice@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
+
+array-union@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
+  dependencies:
+    array-uniq "^1.0.1"
+
+array-uniq@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
+
+array-unique@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
+
+array.prototype.find@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/array.prototype.find/-/array.prototype.find-2.0.4.tgz#556a5c5362c08648323ddaeb9de9d14bc1864c90"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.7.0"
+
+arraybuffer.slice@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz#f33b2159f0532a3f3107a272c0ccfbd1ad2979ca"
+
+arrify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+
+asn1.js@^4.0.0:
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.1.tgz#48ba240b45a9280e94748990ba597d216617fd40"
+  dependencies:
+    bn.js "^4.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+asn1@~0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+
+assert-plus@1.0.0, assert-plus@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
+
+assert-plus@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
+
+assert@^1.4.0, assert@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
+  dependencies:
+    util "0.10.3"
+
+astw@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
+  dependencies:
+    acorn "^4.0.3"
+
+async-each@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
+
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+
+aws-sign2@~0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
+
+aws4@^1.2.1:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
+
+babel-cli@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-6.24.1.tgz#207cd705bba61489b2ea41b5312341cf6aca2283"
+  dependencies:
+    babel-core "^6.24.1"
+    babel-polyfill "^6.23.0"
+    babel-register "^6.24.1"
+    babel-runtime "^6.22.0"
+    commander "^2.8.1"
+    convert-source-map "^1.1.0"
+    fs-readdir-recursive "^1.0.0"
+    glob "^7.0.0"
+    lodash "^4.2.0"
+    output-file-sync "^1.1.0"
+    path-is-absolute "^1.0.0"
+    slash "^1.0.0"
+    source-map "^0.5.0"
+    v8flags "^2.0.10"
+  optionalDependencies:
+    chokidar "^1.6.1"
+
+babel-code-frame@^6.16.0, babel-code-frame@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
+  dependencies:
+    chalk "^1.1.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
+
+babel-core@^6.0.14, babel-core@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.24.1.tgz#8c428564dce1e1f41fb337ec34f4c3b022b5ad83"
+  dependencies:
+    babel-code-frame "^6.22.0"
+    babel-generator "^6.24.1"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+    babylon "^6.11.0"
+    convert-source-map "^1.1.0"
+    debug "^2.1.1"
+    json5 "^0.5.0"
+    lodash "^4.2.0"
+    minimatch "^3.0.2"
+    path-is-absolute "^1.0.0"
+    private "^0.1.6"
+    slash "^1.0.0"
+    source-map "^0.5.0"
+
+babel-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.24.1.tgz#e715f486c58ded25649d888944d52aa07c5d9497"
+  dependencies:
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+    detect-indent "^4.0.0"
+    jsesc "^1.3.0"
+    lodash "^4.2.0"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
+babel-helpers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-messages@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-arrow-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoping@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.24.1.tgz#76c295dc3a4741b1665adfd3167215dcff32a576"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+    lodash "^4.2.0"
+
+babel-plugin-transform-es2015-template-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-polyfill@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.23.0.tgz#8364ca62df8eafb830499f699177466c3b03499d"
+  dependencies:
+    babel-runtime "^6.22.0"
+    core-js "^2.4.0"
+    regenerator-runtime "^0.10.0"
+
+babel-register@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.1.tgz#7e10e13a2f71065bdfad5a1787ba45bca6ded75f"
+  dependencies:
+    babel-core "^6.24.1"
+    babel-runtime "^6.22.0"
+    core-js "^2.4.0"
+    home-or-tmp "^2.0.0"
+    lodash "^4.2.0"
+    mkdirp "^0.5.1"
+    source-map-support "^0.4.2"
+
+babel-runtime@^6.22.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.10.0"
+
+babel-template@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.24.1.tgz#04ae514f1f93b3a2537f2a0f60a5a45fb8308333"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+    babylon "^6.11.0"
+    lodash "^4.2.0"
+
+babel-traverse@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.24.1.tgz#ab36673fd356f9a0948659e7b338d5feadb31695"
+  dependencies:
+    babel-code-frame "^6.22.0"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+    babylon "^6.15.0"
+    debug "^2.2.0"
+    globals "^9.0.0"
+    invariant "^2.2.0"
+    lodash "^4.2.0"
+
+babel-types@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.24.1.tgz#a136879dc15b3606bda0d90c1fc74304c2ff0975"
+  dependencies:
+    babel-runtime "^6.22.0"
+    esutils "^2.0.2"
+    lodash "^4.2.0"
+    to-fast-properties "^1.0.1"
+
+babelify@^7.3.0:
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/babelify/-/babelify-7.3.0.tgz#aa56aede7067fd7bd549666ee16dc285087e88e5"
+  dependencies:
+    babel-core "^6.0.14"
+    object-assign "^4.0.0"
+
+babylon@^6.11.0, babylon@^6.15.0:
+  version "6.17.2"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.2.tgz#201d25ef5f892c41bae49488b08db0dd476e9f5c"
+
+backo2@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
+
+balanced-match@^0.4.1:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
+
+base64-arraybuffer@0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
+
+base64-js@^1.0.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.0.tgz#a39992d723584811982be5e290bb6a53d86700f1"
+
+base64id@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
+
+bcrypt-pbkdf@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
+  dependencies:
+    tweetnacl "^0.14.3"
+
+better-assert@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/better-assert/-/better-assert-1.0.2.tgz#40866b9e1b9e0b55b481894311e68faffaebc522"
+  dependencies:
+    callsite "1.0.0"
+
+binary-extensions@^1.0.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.8.0.tgz#48ec8d16df4377eae5fa5884682480af4d95c774"
+
+blob@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.4.tgz#bcf13052ca54463f30f9fc7e95b9a47630a94921"
+
+block-stream@*:
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
+  dependencies:
+    inherits "~2.0.0"
+
+bluebird@^3.3.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.0.tgz#791420d7f551eea2897453a8a77653f96606d67c"
+
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
+
+body-parser@^1.16.1:
+  version "1.17.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.17.2.tgz#f8892abc8f9e627d42aedafbca66bf5ab99104ee"
+  dependencies:
+    bytes "2.4.0"
+    content-type "~1.0.2"
+    debug "2.6.7"
+    depd "~1.1.0"
+    http-errors "~1.6.1"
+    iconv-lite "0.4.15"
+    on-finished "~2.3.0"
+    qs "6.4.0"
+    raw-body "~2.2.0"
+    type-is "~1.6.15"
+
+boom@2.x.x:
+  version "2.10.1"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
+  dependencies:
+    hoek "2.x.x"
+
+brace-expansion@^1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.7.tgz#3effc3c50e000531fb720eaff80f0ae8ef23cf59"
+  dependencies:
+    balanced-match "^0.4.1"
+    concat-map "0.0.1"
+
+braces@^0.1.2:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-0.1.5.tgz#c085711085291d8b75fdd74eab0f8597280711e6"
+  dependencies:
+    expand-range "^0.1.0"
+
+braces@^1.8.2:
+  version "1.8.5"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
+  dependencies:
+    expand-range "^1.8.1"
+    preserve "^0.2.0"
+    repeat-element "^1.1.2"
+
+brfs@^1.4.3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/brfs/-/brfs-1.4.3.tgz#db675d6f5e923e6df087fca5859c9090aaed3216"
+  dependencies:
+    quote-stream "^1.0.1"
+    resolve "^1.1.5"
+    static-module "^1.1.0"
+    through2 "^2.0.0"
+
+brorand@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+
+browser-pack@^6.0.1:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.2.tgz#f86cd6cef4f5300c8e63e07a4d512f65fbff4531"
+  dependencies:
+    JSONStream "^1.0.3"
+    combine-source-map "~0.7.1"
+    defined "^1.0.0"
+    through2 "^2.0.0"
+    umd "^3.0.0"
+
+browser-resolve@^1.11.0, browser-resolve@^1.7.0:
+  version "1.11.2"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
+  dependencies:
+    resolve "1.1.7"
+
+browser-stdout@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
+
+browserify-aes@^1.0.0, browserify-aes@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.0.6.tgz#5e7725dbdef1fd5930d4ebab48567ce451c48a0a"
+  dependencies:
+    buffer-xor "^1.0.2"
+    cipher-base "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.0"
+    inherits "^2.0.1"
+
+browserify-cipher@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.0.tgz#9988244874bf5ed4e28da95666dcd66ac8fc363a"
+  dependencies:
+    browserify-aes "^1.0.4"
+    browserify-des "^1.0.0"
+    evp_bytestokey "^1.0.0"
+
+browserify-des@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/browserify-des/-/browserify-des-1.0.0.tgz#daa277717470922ed2fe18594118a175439721dd"
+  dependencies:
+    cipher-base "^1.0.1"
+    des.js "^1.0.0"
+    inherits "^2.0.1"
+
+browserify-rsa@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  dependencies:
+    bn.js "^4.1.0"
+    randombytes "^2.0.1"
+
+browserify-sign@^4.0.0:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.0.4.tgz#aa4eb68e5d7b658baa6bf6a57e630cbd7a93d298"
+  dependencies:
+    bn.js "^4.1.1"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.2"
+    elliptic "^6.0.0"
+    inherits "^2.0.1"
+    parse-asn1 "^5.0.0"
+
+browserify-zlib@~0.1.2:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.1.4.tgz#bb35f8a519f600e0fa6b8485241c979d0141fb2d"
+  dependencies:
+    pako "~0.2.0"
+
+browserify@^14.0.0, browserify@^14.4.0:
+  version "14.4.0"
+  resolved "https://registry.yarnpkg.com/browserify/-/browserify-14.4.0.tgz#089a3463af58d0e48d8cd4070b3f74654d5abca9"
+  dependencies:
+    JSONStream "^1.0.3"
+    assert "^1.4.0"
+    browser-pack "^6.0.1"
+    browser-resolve "^1.11.0"
+    browserify-zlib "~0.1.2"
+    buffer "^5.0.2"
+    cached-path-relative "^1.0.0"
+    concat-stream "~1.5.1"
+    console-browserify "^1.1.0"
+    constants-browserify "~1.0.0"
+    crypto-browserify "^3.0.0"
+    defined "^1.0.0"
+    deps-sort "^2.0.0"
+    domain-browser "~1.1.0"
+    duplexer2 "~0.1.2"
+    events "~1.1.0"
+    glob "^7.1.0"
+    has "^1.0.0"
+    htmlescape "^1.1.0"
+    https-browserify "^1.0.0"
+    inherits "~2.0.1"
+    insert-module-globals "^7.0.0"
+    labeled-stream-splicer "^2.0.0"
+    module-deps "^4.0.8"
+    os-browserify "~0.1.1"
+    parents "^1.0.1"
+    path-browserify "~0.0.0"
+    process "~0.11.0"
+    punycode "^1.3.2"
+    querystring-es3 "~0.2.0"
+    read-only-stream "^2.0.0"
+    readable-stream "^2.0.2"
+    resolve "^1.1.4"
+    shasum "^1.0.0"
+    shell-quote "^1.6.1"
+    stream-browserify "^2.0.0"
+    stream-http "^2.0.0"
+    string_decoder "~1.0.0"
+    subarg "^1.0.0"
+    syntax-error "^1.1.1"
+    through2 "^2.0.0"
+    timers-browserify "^1.0.1"
+    tty-browserify "~0.0.0"
+    url "~0.11.0"
+    util "~0.10.1"
+    vm-browserify "~0.0.1"
+    xtend "^4.0.0"
+
+buffer-equal@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-0.0.1.tgz#91bc74b11ea405bc916bc6aa908faafa5b4aac4b"
+
+buffer-xor@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
+
+buffer@^5.0.2:
+  version "5.0.6"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.0.6.tgz#2ea669f7eec0b6eda05b08f8b5ff661b28573588"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
+builtin-modules@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
+builtin-status-codes@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
+
+bytes@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
+
+cached-path-relative@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
+
+caller-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
+  dependencies:
+    callsites "^0.2.0"
+
+callsite@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
+
+callsites@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
+
+caseless@~0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
+
+caseless@~0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
+
+chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
+chokidar@^1.0.0, chokidar@^1.4.1, chokidar@^1.6.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
+  dependencies:
+    anymatch "^1.3.0"
+    async-each "^1.0.0"
+    glob-parent "^2.0.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^2.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+  optionalDependencies:
+    fsevents "^1.0.0"
+
+cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.3.tgz#eeabf194419ce900da3018c207d212f2a6df0a07"
+  dependencies:
+    inherits "^2.0.1"
+
+circular-json@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.1.tgz#be8b36aefccde8b3ca7aa2d6afc07a37242c0d2d"
+
+cli-cursor@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
+  dependencies:
+    restore-cursor "^1.0.1"
+
+cli-width@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+
+colors@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
+
+combine-lists@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/combine-lists/-/combine-lists-1.0.1.tgz#458c07e09e0d900fc28b70a3fec2dacd1d2cb7f6"
+  dependencies:
+    lodash "^4.5.0"
+
+combine-source-map@~0.7.1:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
+  dependencies:
+    convert-source-map "~1.1.0"
+    inline-source-map "~0.6.0"
+    lodash.memoize "~3.0.3"
+    source-map "~0.5.3"
+
+combined-stream@^1.0.5, combined-stream@~1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
+  dependencies:
+    delayed-stream "~1.0.0"
+
+commander@2.9.0, commander@^2.8.1, commander@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
+component-bind@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
+
+component-emitter@1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.1.2.tgz#296594f2753daa63996d2af08d15a95116c9aec3"
+
+component-emitter@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
+
+component-inherit@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+concat-stream@1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.0.tgz#53f7d43c51c5e43f81c8fdd03321c631be68d611"
+  dependencies:
+    inherits "~2.0.1"
+    readable-stream "~2.0.0"
+    typedarray "~0.0.5"
+
+concat-stream@^1.5.2, concat-stream@~1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
+concat-stream@~1.5.0, concat-stream@~1.5.1:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
+  dependencies:
+    inherits "~2.0.1"
+    readable-stream "~2.0.0"
+    typedarray "~0.0.5"
+
+connect@^3.6.0:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/connect/-/connect-3.6.2.tgz#694e8d20681bfe490282c8ab886be98f09f42fe7"
+  dependencies:
+    debug "2.6.7"
+    finalhandler "1.0.3"
+    parseurl "~1.3.1"
+    utils-merge "1.0.0"
+
+console-browserify@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
+  dependencies:
+    date-now "^0.1.4"
+
+console-control-strings@^1.0.0, console-control-strings@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
+
+constants-browserify@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
+
+contains-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
+
+content-type@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
+
+convert-source-map@^1.1.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
+
+convert-source-map@~1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
+
+cookie@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
+
+core-js@^2.2.0, core-js@^2.4.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.4.1.tgz#4de911e667b0eae9124e34254b53aea6fc618d3e"
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+
+create-ecdh@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.0.tgz#888c723596cdf7612f6498233eebd7a35301737d"
+  dependencies:
+    bn.js "^4.1.0"
+    elliptic "^6.0.0"
+
+create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    sha.js "^2.4.0"
+
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+cryptiles@2.x.x:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
+  dependencies:
+    boom "2.x.x"
+
+crypto-browserify@^3.0.0:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.11.0.tgz#3652a0906ab9b2a7e0c3ce66a408e957a2485522"
+  dependencies:
+    browserify-cipher "^1.0.0"
+    browserify-sign "^4.0.0"
+    create-ecdh "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.0"
+    diffie-hellman "^5.0.0"
+    inherits "^2.0.1"
+    pbkdf2 "^3.0.3"
+    public-encrypt "^4.0.0"
+    randombytes "^2.0.0"
+
+custom-event@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/custom-event/-/custom-event-1.0.1.tgz#5d02a46850adf1b4a317946a3928fccb5bfd0425"
+
+d@1:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
+  dependencies:
+    es5-ext "^0.10.9"
+
+dashdash@^1.12.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
+  dependencies:
+    assert-plus "^1.0.0"
+
+date-now@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
+
+debug-log@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
+
+debug@0.7.4:
+  version "0.7.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-0.7.4.tgz#06e1ea8082c2cb14e39806e22e2f6f757f92af39"
+
+debug@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
+  dependencies:
+    ms "0.7.1"
+
+debug@2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.3.tgz#40c453e67e6e13c901ddec317af8986cda9eff8c"
+  dependencies:
+    ms "0.7.2"
+
+debug@2.6.0, debug@^2.1.1, debug@^2.2.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.0.tgz#bc596bcabe7617f11d9fa15361eded5608b8499b"
+  dependencies:
+    ms "0.7.2"
+
+debug@2.6.7:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.7.tgz#92bad1f6d05bbb6bba22cca88bcd0ec894c2861e"
+  dependencies:
+    ms "2.0.0"
+
+deep-extend@~0.4.0:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
+
+deep-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+
+define-properties@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
+  dependencies:
+    foreach "^2.0.5"
+    object-keys "^1.0.8"
+
+defined@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+
+deglob@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/deglob/-/deglob-2.1.0.tgz#4d44abe16ef32c779b4972bd141a80325029a14a"
+  dependencies:
+    find-root "^1.0.0"
+    glob "^7.0.5"
+    ignore "^3.0.9"
+    pkg-config "^1.1.0"
+    run-parallel "^1.1.2"
+    uniq "^1.0.1"
+
+del@^2.0.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
+  dependencies:
+    globby "^5.0.0"
+    is-path-cwd "^1.0.0"
+    is-path-in-cwd "^1.0.0"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    rimraf "^2.2.8"
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+
+delegates@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
+
+depd@1.1.0, depd@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.0.tgz#e1bd82c6aab6ced965b97b88b17ed3e528ca18c3"
+
+deps-sort@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
+  dependencies:
+    JSONStream "^1.0.3"
+    shasum "^1.0.0"
+    subarg "^1.0.0"
+    through2 "^2.0.0"
+
+des.js@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
+  dependencies:
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+detect-indent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
+  dependencies:
+    repeating "^2.0.0"
+
+detective@^4.0.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/detective/-/detective-4.5.0.tgz#6e5a8c6b26e6c7a254b1c6b6d7490d98ec91edd1"
+  dependencies:
+    acorn "^4.0.3"
+    defined "^1.0.0"
+
+di@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/di/-/di-0.0.1.tgz#806649326ceaa7caa3306d75d985ea2748ba913c"
+
+diff@3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
+
+diffie-hellman@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.2.tgz#b5835739270cfe26acf632099fded2a07f209e5e"
+  dependencies:
+    bn.js "^4.1.0"
+    miller-rabin "^4.0.0"
+    randombytes "^2.0.0"
+
+doctrine@1.5.0, doctrine@^1.2.2:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
+  dependencies:
+    esutils "^2.0.2"
+    isarray "^1.0.0"
+
+doctrine@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
+  dependencies:
+    esutils "^2.0.2"
+    isarray "^1.0.0"
+
+dom-serialize@^2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/dom-serialize/-/dom-serialize-2.2.1.tgz#562ae8999f44be5ea3076f5419dcd59eb43ac95b"
+  dependencies:
+    custom-event "~1.0.0"
+    ent "~2.2.0"
+    extend "^3.0.0"
+    void-elements "^2.0.0"
+
+domain-browser@~1.1.0:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
+
+duplexer2@^0.1.2, duplexer2@~0.1.0, duplexer2@~0.1.2:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
+  dependencies:
+    readable-stream "^2.0.2"
+
+duplexer2@~0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
+  dependencies:
+    readable-stream "~1.1.9"
+
+ecc-jsbn@~0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
+  dependencies:
+    jsbn "~0.1.0"
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+
+elliptic@^6.0.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
+encodeurl@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
+
+engine.io-client@1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-1.8.3.tgz#1798ed93451246453d4c6f635d7a201fe940d5ab"
+  dependencies:
+    component-emitter "1.2.1"
+    component-inherit "0.0.3"
+    debug "2.3.3"
+    engine.io-parser "1.3.2"
+    has-cors "1.1.0"
+    indexof "0.0.1"
+    parsejson "0.0.3"
+    parseqs "0.0.5"
+    parseuri "0.0.5"
+    ws "1.1.2"
+    xmlhttprequest-ssl "1.5.3"
+    yeast "0.1.2"
+
+engine.io-parser@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-1.3.2.tgz#937b079f0007d0893ec56d46cb220b8cb435220a"
+  dependencies:
+    after "0.8.2"
+    arraybuffer.slice "0.0.6"
+    base64-arraybuffer "0.1.5"
+    blob "0.0.4"
+    has-binary "0.1.7"
+    wtf-8 "1.0.0"
+
+engine.io@1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-1.8.3.tgz#8de7f97895d20d39b85f88eeee777b2bd42b13d4"
+  dependencies:
+    accepts "1.3.3"
+    base64id "1.0.0"
+    cookie "0.3.1"
+    debug "2.3.3"
+    engine.io-parser "1.3.2"
+    ws "1.1.2"
+
+ent@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
+
+error-ex@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
+  dependencies:
+    is-arrayish "^0.2.1"
+
+es-abstract@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.0"
+    is-callable "^1.1.3"
+    is-regex "^1.0.3"
+
+es-to-primitive@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
+  dependencies:
+    is-callable "^1.1.1"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.1"
+
+es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
+  version "0.10.22"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.22.tgz#1876c51f990769c112c781ea3ebe89f84fd39071"
+  dependencies:
+    es6-iterator "2"
+    es6-symbol "~3.1"
+
+es6-iterator@2, es6-iterator@^2.0.1, es6-iterator@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.1.tgz#8e319c9f0453bf575d374940a655920e59ca5512"
+  dependencies:
+    d "1"
+    es5-ext "^0.10.14"
+    es6-symbol "^3.1"
+
+es6-map@^0.1.3:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-map/-/es6-map-0.1.5.tgz#9136e0503dcc06a301690f0bb14ff4e364e949f0"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-set "~0.1.5"
+    es6-symbol "~3.1.1"
+    event-emitter "~0.3.5"
+
+es6-promise@~4.0.3:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.0.5.tgz#7882f30adde5b240ccfa7f7d78c548330951ae42"
+
+es6-set@~0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-symbol "3.1.1"
+    event-emitter "~0.3.5"
+
+es6-symbol@3.1.1, es6-symbol@^3.1, es6-symbol@^3.1.1, es6-symbol@~3.1, es6-symbol@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+es6-weak-map@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
+  dependencies:
+    d "1"
+    es5-ext "^0.10.14"
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+
+escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+
+escodegen@~0.0.24:
+  version "0.0.28"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-0.0.28.tgz#0e4ff1715f328775d6cab51ac44a406cd7abffd3"
+  dependencies:
+    esprima "~1.0.2"
+    estraverse "~1.3.0"
+  optionalDependencies:
+    source-map ">= 0.1.2"
+
+escodegen@~1.3.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.3.3.tgz#f024016f5a88e046fd12005055e939802e6c5f23"
+  dependencies:
+    esprima "~1.1.1"
+    estraverse "~1.5.0"
+    esutils "~1.0.0"
+  optionalDependencies:
+    source-map "~0.1.33"
+
+escope@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
+  dependencies:
+    es6-map "^0.1.3"
+    es6-weak-map "^2.0.1"
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint-config-standard-jsx@4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-standard-jsx/-/eslint-config-standard-jsx-4.0.1.tgz#cd4e463d0268e2d9e707f61f42f73f5b3333c642"
+
+eslint-config-standard@10.2.1:
+  version "10.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-10.2.1.tgz#c061e4d066f379dc17cd562c64e819b4dd454591"
+
+eslint-import-resolver-node@^0.2.0:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.2.3.tgz#5add8106e8c928db2cba232bcd9efa846e3da16c"
+  dependencies:
+    debug "^2.2.0"
+    object-assign "^4.0.1"
+    resolve "^1.1.6"
+
+eslint-module-utils@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.0.0.tgz#a6f8c21d901358759cdc35dbac1982ae1ee58bce"
+  dependencies:
+    debug "2.2.0"
+    pkg-dir "^1.0.0"
+
+eslint-plugin-import@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.2.0.tgz#72ba306fad305d67c4816348a4699a4229ac8b4e"
+  dependencies:
+    builtin-modules "^1.1.1"
+    contains-path "^0.1.0"
+    debug "^2.2.0"
+    doctrine "1.5.0"
+    eslint-import-resolver-node "^0.2.0"
+    eslint-module-utils "^2.0.0"
+    has "^1.0.1"
+    lodash.cond "^4.3.0"
+    minimatch "^3.0.3"
+    pkg-up "^1.0.0"
+
+eslint-plugin-node@~4.2.2:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-4.2.2.tgz#82959ca9aed79fcbd28bb1b188d05cac04fb3363"
+  dependencies:
+    ignore "^3.0.11"
+    minimatch "^3.0.2"
+    object-assign "^4.0.1"
+    resolve "^1.1.7"
+    semver "5.3.0"
+
+eslint-plugin-promise@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-3.5.0.tgz#78fbb6ffe047201627569e85a6c5373af2a68fca"
+
+eslint-plugin-react@~6.10.0:
+  version "6.10.3"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-6.10.3.tgz#c5435beb06774e12c7db2f6abaddcbf900cd3f78"
+  dependencies:
+    array.prototype.find "^2.0.1"
+    doctrine "^1.2.2"
+    has "^1.0.1"
+    jsx-ast-utils "^1.3.4"
+    object.assign "^4.0.4"
+
+eslint-plugin-standard@~3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-3.0.1.tgz#34d0c915b45edc6f010393c7eef3823b08565cf2"
+
+eslint@~3.19.0:
+  version "3.19.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
+  dependencies:
+    babel-code-frame "^6.16.0"
+    chalk "^1.1.3"
+    concat-stream "^1.5.2"
+    debug "^2.1.1"
+    doctrine "^2.0.0"
+    escope "^3.6.0"
+    espree "^3.4.0"
+    esquery "^1.0.0"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    glob "^7.0.3"
+    globals "^9.14.0"
+    ignore "^3.2.0"
+    imurmurhash "^0.1.4"
+    inquirer "^0.12.0"
+    is-my-json-valid "^2.10.0"
+    is-resolvable "^1.0.0"
+    js-yaml "^3.5.1"
+    json-stable-stringify "^1.0.0"
+    levn "^0.3.0"
+    lodash "^4.0.0"
+    mkdirp "^0.5.0"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.1"
+    pluralize "^1.2.1"
+    progress "^1.1.8"
+    require-uncached "^1.0.2"
+    shelljs "^0.7.5"
+    strip-bom "^3.0.0"
+    strip-json-comments "~2.0.1"
+    table "^3.7.8"
+    text-table "~0.2.0"
+    user-home "^2.0.0"
+
+espree@^3.4.0:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.4.3.tgz#2910b5ccd49ce893c2ffffaab4fd8b3a31b82374"
+  dependencies:
+    acorn "^5.0.1"
+    acorn-jsx "^3.0.0"
+
+esprima@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
+
+esprima@~1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.0.4.tgz#9f557e08fc3b4d26ece9dd34f8fbf476b62585ad"
+
+esprima@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.1.1.tgz#5b6f1547f4d102e670e140c509be6771d6aeb549"
+
+esquery@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.1.0.tgz#4713b6536adf7f2ac4f327d559e7756bff648220"
+  dependencies:
+    estraverse "~4.1.0"
+    object-assign "^4.0.1"
+
+estraverse@^4.0.0, estraverse@^4.1.1, estraverse@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
+
+estraverse@~1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.3.2.tgz#37c2b893ef13d723f276d878d60d8535152a6c42"
+
+estraverse@~1.5.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.5.1.tgz#867a3e8e58a9f84618afb6c2ddbcd916b7cbaf71"
+
+estraverse@~4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.1.1.tgz#f6caca728933a850ef90661d0e17982ba47111a2"
+
+esutils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+
+esutils@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-1.0.0.tgz#8151d358e20c8acc7fb745e7472c0025fe496570"
+
+event-emitter@~0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+eventemitter3@1.x.x:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+
+events@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
+
+evp_bytestokey@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.0.tgz#497b66ad9fef65cd7c08a6180824ba1476b66e53"
+  dependencies:
+    create-hash "^1.1.1"
+
+exec-glob@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/exec-glob/-/exec-glob-1.2.2.tgz#9af8a232e2b0dec85b35ffa46f04375e2cd4a68e"
+  dependencies:
+    glob "^5.0.5"
+
+exit-hook@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
+
+expand-braces@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/expand-braces/-/expand-braces-0.1.2.tgz#488b1d1d2451cb3d3a6b192cfc030f44c5855fea"
+  dependencies:
+    array-slice "^0.2.3"
+    array-unique "^0.2.1"
+    braces "^0.1.2"
+
+expand-brackets@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
+  dependencies:
+    is-posix-bracket "^0.1.0"
+
+expand-range@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-0.1.1.tgz#4cb8eda0993ca56fa4f41fc42f3cbb4ccadff044"
+  dependencies:
+    is-number "^0.1.1"
+    repeat-string "^0.2.2"
+
+expand-range@^1.8.1:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
+  dependencies:
+    fill-range "^2.1.0"
+
+extend@^3.0.0, extend@~3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+
+extglob@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
+  dependencies:
+    is-extglob "^1.0.0"
+
+extract-zip@~1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-1.5.0.tgz#92ccf6d81ef70a9fa4c1747114ccef6d8688a6c4"
+  dependencies:
+    concat-stream "1.5.0"
+    debug "0.7.4"
+    mkdirp "0.5.0"
+    yauzl "2.4.1"
+
+extsprintf@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.0.2.tgz#e1080e0658e300b06294990cc70e1502235fd550"
+
+falafel@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/falafel/-/falafel-1.2.0.tgz#c18d24ef5091174a497f318cd24b026a25cddab4"
+  dependencies:
+    acorn "^1.0.3"
+    foreach "^2.0.5"
+    isarray "0.0.1"
+    object-keys "^1.0.6"
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+
+fd-slicer@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
+  dependencies:
+    pend "~1.2.0"
+
+figures@^1.3.5:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
+  dependencies:
+    escape-string-regexp "^1.0.5"
+    object-assign "^4.1.0"
+
+file-entry-cache@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+  dependencies:
+    flat-cache "^1.2.1"
+    object-assign "^4.0.1"
+
+filename-regex@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
+
+fill-range@^2.1.0:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
+  dependencies:
+    is-number "^2.1.0"
+    isobject "^2.0.0"
+    randomatic "^1.1.3"
+    repeat-element "^1.1.2"
+    repeat-string "^1.5.2"
+
+finalhandler@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.0.3.tgz#ef47e77950e999780e86022a560e3217e0d0cc89"
+  dependencies:
+    debug "2.6.7"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.1"
+    statuses "~1.3.1"
+    unpipe "~1.0.0"
+
+find-root@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/find-root/-/find-root-1.0.0.tgz#962ff211aab25c6520feeeb8d6287f8f6e95807a"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+find-up@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
+  dependencies:
+    locate-path "^2.0.0"
+
+flat-cache@^1.2.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.2.2.tgz#fa86714e72c21db88601761ecf2f555d1abc6b96"
+  dependencies:
+    circular-json "^0.3.1"
+    del "^2.0.2"
+    graceful-fs "^4.1.2"
+    write "^0.2.1"
+
+for-in@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+
+for-own@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
+  dependencies:
+    for-in "^1.0.1"
+
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
+forever-agent@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
+
+form-data@~2.1.1:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.4.tgz#33c183acf193276ecaa98143a69e94bfee1750d1"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.5"
+    mime-types "^2.1.12"
+
+fs-access@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fs-access/-/fs-access-1.0.1.tgz#d6a87f262271cefebec30c553407fb995da8777a"
+  dependencies:
+    null-check "^1.0.0"
+
+fs-extra@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-1.0.0.tgz#cd3ce5f7e7cb6145883fcae3191e9877f8587950"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+
+fs-readdir-recursive@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz#8cd1745c8b4f8a29c8caec392476921ba195f560"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+fsevents@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.1.1.tgz#f19fd28f43eeaf761680e519a203c4d0b3d31aff"
+  dependencies:
+    nan "^2.3.0"
+    node-pre-gyp "^0.6.29"
+
+fstream-ignore@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/fstream-ignore/-/fstream-ignore-1.0.5.tgz#9c31dae34767018fe1d249b24dada67d092da105"
+  dependencies:
+    fstream "^1.0.0"
+    inherits "2"
+    minimatch "^3.0.0"
+
+fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
+  dependencies:
+    graceful-fs "^4.1.2"
+    inherits "~2.0.0"
+    mkdirp ">=0.5 0"
+    rimraf "2"
+
+function-bind@^1.0.2, function-bind@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
+
+gauge@~2.7.3:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
+  dependencies:
+    aproba "^1.0.3"
+    console-control-strings "^1.0.0"
+    has-unicode "^2.0.0"
+    object-assign "^4.1.0"
+    signal-exit "^3.0.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wide-align "^1.1.0"
+
+generate-function@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
+
+generate-object-property@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/generate-object-property/-/generate-object-property-1.2.0.tgz#9c0e1c40308ce804f4783618b937fa88f99d50d0"
+  dependencies:
+    is-property "^1.0.0"
+
+get-stdin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
+getpass@^0.1.1:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
+  dependencies:
+    assert-plus "^1.0.0"
+
+glob-base@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
+  dependencies:
+    glob-parent "^2.0.0"
+    is-glob "^2.0.0"
+
+glob-parent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-2.0.0.tgz#81383d72db054fcccf5336daa902f182f6edbb28"
+  dependencies:
+    is-glob "^2.0.0"
+
+glob@7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.2"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@^5.0.5:
+  version "5.0.15"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.0, glob@^7.1.1, glob@^7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^9.0.0, globals@^9.14.0:
+  version "9.17.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.17.0.tgz#0c0ca696d9b9bb694d2e5470bd37777caad50286"
+
+globby@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
+  dependencies:
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+"graceful-readlink@>= 1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+
+growl@1.9.2:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
+
+har-schema@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
+
+har-validator@~2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-2.0.6.tgz#cdcbc08188265ad119b6a5a7c8ab70eecfb5d27d"
+  dependencies:
+    chalk "^1.1.1"
+    commander "^2.9.0"
+    is-my-json-valid "^2.12.4"
+    pinkie-promise "^2.0.0"
+
+har-validator@~4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-4.2.1.tgz#33481d0f1bbff600dd203d75812a6a5fba002e2a"
+  dependencies:
+    ajv "^4.9.1"
+    har-schema "^1.0.5"
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-binary@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/has-binary/-/has-binary-0.1.7.tgz#68e61eb16210c9545a0a5cce06a873912fe1e68c"
+  dependencies:
+    isarray "0.0.1"
+
+has-cors@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/has-cors/-/has-cors-1.1.0.tgz#5e474793f7ea9843d1bb99c23eef49ff126fff39"
+
+has-flag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
+
+has-unicode@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
+
+has@^1.0.0, has@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+  dependencies:
+    function-bind "^1.0.2"
+
+hash-base@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
+  dependencies:
+    inherits "^2.0.1"
+
+hash.js@^1.0.0, hash.js@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.0.3.tgz#1332ff00156c0a0ffdd8236013d07b77a0451573"
+  dependencies:
+    inherits "^2.0.1"
+
+hasha@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/hasha/-/hasha-2.2.0.tgz#78d7cbfc1e6d66303fe79837365984517b2f6ee1"
+  dependencies:
+    is-stream "^1.0.1"
+    pinkie-promise "^2.0.0"
+
+hawk@~3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
+  dependencies:
+    boom "2.x.x"
+    cryptiles "2.x.x"
+    hoek "2.x.x"
+    sntp "1.x.x"
+
+hmac-drbg@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
+hoek@2.x.x:
+  version "2.16.3"
+  resolved "https://registry.yarnpkg.com/hoek/-/hoek-2.16.3.tgz#20bb7403d3cea398e91dc4710a8ff1b8274a25ed"
+
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
+htmlescape@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/htmlescape/-/htmlescape-1.1.1.tgz#3a03edc2214bca3b66424a3e7959349509cb0351"
+
+http-errors@~1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.1.tgz#5f8b8ed98aca545656bf572997387f904a722257"
+  dependencies:
+    depd "1.1.0"
+    inherits "2.0.3"
+    setprototypeof "1.0.3"
+    statuses ">= 1.3.1 < 2"
+
+http-proxy@^1.13.0:
+  version "1.16.2"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.16.2.tgz#06dff292952bf64dbe8471fa9df73066d4f37742"
+  dependencies:
+    eventemitter3 "1.x.x"
+    requires-port "1.x.x"
+
+http-signature@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.1.1.tgz#df72e267066cd0ac67fb76adf8e134a8fbcf91bf"
+  dependencies:
+    assert-plus "^0.2.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
+https-browserify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
+
+iconv-lite@0.4.15:
+  version "0.4.15"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.15.tgz#fe265a218ac6a57cfe854927e9d04c19825eddeb"
+
+ieee754@^1.1.4:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
+
+ignore@^3.0.11, ignore@^3.0.9, ignore@^3.2.0:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.3.tgz#432352e57accd87ab3110e82d3fea0e47812156d"
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+
+indexof@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+inherits@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
+
+ini@~1.3.0:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
+
+inline-source-map@~0.6.0:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
+  dependencies:
+    source-map "~0.5.3"
+
+inquirer@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-0.12.0.tgz#1ef2bfd63504df0bc75785fff8c2c41df12f077e"
+  dependencies:
+    ansi-escapes "^1.1.0"
+    ansi-regex "^2.0.0"
+    chalk "^1.0.0"
+    cli-cursor "^1.0.1"
+    cli-width "^2.0.0"
+    figures "^1.3.5"
+    lodash "^4.3.0"
+    readline2 "^1.0.1"
+    run-async "^0.1.0"
+    rx-lite "^3.1.2"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.0"
+    through "^2.3.6"
+
+insert-module-globals@^7.0.0:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.1.tgz#c03bf4e01cb086d5b5e5ace8ad0afe7889d638c3"
+  dependencies:
+    JSONStream "^1.0.3"
+    combine-source-map "~0.7.1"
+    concat-stream "~1.5.1"
+    is-buffer "^1.1.0"
+    lexical-scope "^1.2.0"
+    process "~0.11.0"
+    through2 "^2.0.0"
+    xtend "^4.0.0"
+
+interpret@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.3.tgz#cbc35c62eeee73f19ab7b10a801511401afc0f90"
+
+invariant@^2.2.0:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
+  dependencies:
+    loose-envify "^1.0.0"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  dependencies:
+    binary-extensions "^1.0.0"
+
+is-buffer@^1.1.0, is-buffer@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
+
+is-callable@^1.1.1, is-callable@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
+
+is-date-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
+
+is-dotfile@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
+
+is-equal-shallow@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
+  dependencies:
+    is-primitive "^2.0.0"
+
+is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+
+is-extglob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
+
+is-finite@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+
+is-glob@^2.0.0, is-glob@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
+  dependencies:
+    is-extglob "^1.0.0"
+
+is-my-json-valid@^2.10.0, is-my-json-valid@^2.12.4:
+  version "2.16.0"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.16.0.tgz#f079dd9bfdae65ee2038aae8acbc86ab109e3693"
+  dependencies:
+    generate-function "^2.0.0"
+    generate-object-property "^1.1.0"
+    jsonpointer "^4.0.0"
+    xtend "^4.0.0"
+
+is-number@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-0.1.1.tgz#69a7af116963d47206ec9bd9b48a14216f1e3806"
+
+is-number@^2.0.2, is-number@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
+  dependencies:
+    kind-of "^3.0.2"
+
+is-path-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
+
+is-path-in-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz#6477582b8214d602346094567003be8a9eac04dc"
+  dependencies:
+    is-path-inside "^1.0.0"
+
+is-path-inside@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.0.tgz#fc06e5a1683fbda13de667aff717bbc10a48f37f"
+  dependencies:
+    path-is-inside "^1.0.1"
+
+is-posix-bracket@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+
+is-primitive@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
+
+is-property@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
+
+is-regex@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  dependencies:
+    has "^1.0.1"
+
+is-resolvable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
+  dependencies:
+    tryit "^1.0.1"
+
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+is-symbol@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
+
+is-typedarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
+
+isarray@0.0.1, isarray@~0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+
+isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+isbinaryfile@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/isbinaryfile/-/isbinaryfile-3.0.2.tgz#4a3e974ec0cba9004d3fc6cde7209ea69368a621"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  dependencies:
+    isarray "1.0.0"
+
+isstream@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
+
+jodid25519@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/jodid25519/-/jodid25519-1.0.2.tgz#06d4912255093419477d425633606e0e90782967"
+  dependencies:
+    jsbn "~0.1.0"
+
+js-tokens@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
+
+js-yaml@^3.5.1:
+  version "3.8.4"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.4.tgz#520b4564f86573ba96662af85a8cafa7b4b5a6f6"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^3.1.1"
+
+jsbn@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
+
+jsesc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+
+json-schema@0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
+
+json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  dependencies:
+    jsonify "~0.0.0"
+
+json-stable-stringify@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-0.0.1.tgz#611c23e814db375527df851193db59dd2af27f45"
+  dependencies:
+    jsonify "~0.0.0"
+
+json-stringify-safe@~5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
+
+json3@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
+
+json5@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+
+jsonfile@^2.1.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+
+jsonparse@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
+
+jsonpointer@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
+
+jsprim@^1.2.2:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.0.tgz#a3b87e40298d8c380552d8cc7628a0bb95a22918"
+  dependencies:
+    assert-plus "1.0.0"
+    extsprintf "1.0.2"
+    json-schema "0.2.3"
+    verror "1.3.6"
+
+jsx-ast-utils@^1.3.4:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/jsx-ast-utils/-/jsx-ast-utils-1.4.1.tgz#3867213e8dd79bf1e8f2300c0cfc1efb182c0df1"
+
+karma-chrome-launcher@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/karma-chrome-launcher/-/karma-chrome-launcher-2.1.1.tgz#216879c68ac04d8d5140e99619ba04b59afd46cf"
+  dependencies:
+    fs-access "^1.0.0"
+    which "^1.2.1"
+
+karma-firefox-launcher@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-1.0.1.tgz#ce58f47c2013a88156d55a5d61337c099cf5bb51"
+
+karma-mocha-own-reporter@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/karma-mocha-own-reporter/-/karma-mocha-own-reporter-1.1.2.tgz#0e94b36bd405f0391401bf31307adc65813a218f"
+
+karma-mocha@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/karma-mocha/-/karma-mocha-1.3.0.tgz#eeaac7ffc0e201eb63c467440d2b69c7cf3778bf"
+  dependencies:
+    minimist "1.2.0"
+
+karma-phantomjs-launcher@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/karma-phantomjs-launcher/-/karma-phantomjs-launcher-1.0.4.tgz#d23ca34801bda9863ad318e3bb4bd4062b13acd2"
+  dependencies:
+    lodash "^4.0.1"
+    phantomjs-prebuilt "^2.1.7"
+
+karma@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-1.7.0.tgz#6f7a1a406446fa2e187ec95398698f4cee476269"
+  dependencies:
+    bluebird "^3.3.0"
+    body-parser "^1.16.1"
+    chokidar "^1.4.1"
+    colors "^1.1.0"
+    combine-lists "^1.0.0"
+    connect "^3.6.0"
+    core-js "^2.2.0"
+    di "^0.0.1"
+    dom-serialize "^2.2.0"
+    expand-braces "^0.1.1"
+    glob "^7.1.1"
+    graceful-fs "^4.1.2"
+    http-proxy "^1.13.0"
+    isbinaryfile "^3.0.0"
+    lodash "^3.8.0"
+    log4js "^0.6.31"
+    mime "^1.3.4"
+    minimatch "^3.0.2"
+    optimist "^0.6.1"
+    qjobs "^1.1.4"
+    range-parser "^1.2.0"
+    rimraf "^2.6.0"
+    safe-buffer "^5.0.1"
+    socket.io "1.7.3"
+    source-map "^0.5.3"
+    tmp "0.0.31"
+    useragent "^2.1.12"
+
+kew@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/kew/-/kew-0.7.0.tgz#79d93d2d33363d6fdd2970b335d9141ad591d79b"
+
+kind-of@^3.0.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  dependencies:
+    is-buffer "^1.1.5"
+
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
+labeled-stream-splicer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz#a52e1d138024c00b86b1c0c91f677918b8ae0a59"
+  dependencies:
+    inherits "^2.0.1"
+    isarray "~0.0.1"
+    stream-splicer "^2.0.0"
+
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+lexical-scope@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
+  dependencies:
+    astw "^2.0.0"
+
+load-json-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
+locate-path@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
+  dependencies:
+    p-locate "^2.0.0"
+    path-exists "^3.0.0"
+
+lodash._baseassign@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
+  dependencies:
+    lodash._basecopy "^3.0.0"
+    lodash.keys "^3.0.0"
+
+lodash._basecopy@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
+
+lodash._basecreate@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz#1bc661614daa7fc311b7d03bf16806a0213cf821"
+
+lodash._getnative@^3.0.0:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
+
+lodash._isiterateecall@^3.0.0:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
+
+lodash.cond@^4.3.0:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
+
+lodash.create@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
+  dependencies:
+    lodash._baseassign "^3.0.0"
+    lodash._basecreate "^3.0.0"
+    lodash._isiterateecall "^3.0.0"
+
+lodash.isarguments@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
+
+lodash.isarray@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
+
+lodash.keys@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
+  dependencies:
+    lodash._getnative "^3.0.0"
+    lodash.isarguments "^3.0.0"
+    lodash.isarray "^3.0.0"
+
+lodash.memoize@~3.0.3:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
+
+lodash@^3.8.0:
+  version "3.10.1"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
+
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5.0:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
+log4js@^0.6.31:
+  version "0.6.38"
+  resolved "https://registry.yarnpkg.com/log4js/-/log4js-0.6.38.tgz#2c494116695d6fb25480943d3fc872e662a522fd"
+  dependencies:
+    readable-stream "~1.0.2"
+    semver "~4.3.3"
+
+loose-envify@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
+  dependencies:
+    js-tokens "^3.0.0"
+
+lru-cache@2.2.x:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.2.4.tgz#6c658619becf14031d0d0b594b16042ce4dc063d"
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+
+micromatch@^2.1.5:
+  version "2.3.11"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
+  dependencies:
+    arr-diff "^2.0.0"
+    array-unique "^0.2.1"
+    braces "^1.8.2"
+    expand-brackets "^0.1.4"
+    extglob "^0.3.1"
+    filename-regex "^2.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.1"
+    kind-of "^3.0.2"
+    normalize-path "^2.0.1"
+    object.omit "^2.0.0"
+    parse-glob "^3.0.4"
+    regex-cache "^0.4.2"
+
+miller-rabin@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.0.tgz#4a62fb1d42933c05583982f4c716f6fb9e6c6d3d"
+  dependencies:
+    bn.js "^4.0.0"
+    brorand "^1.0.1"
+
+mime-db@~1.27.0:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
+
+mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.15, mime-types@~2.1.7:
+  version "2.1.15"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.15.tgz#a4ebf5064094569237b8cf70046776d09fc92aed"
+  dependencies:
+    mime-db "~1.27.0"
+
+mime@^1.3.4:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.6.tgz#591d84d3653a6b0b4a3b9df8de5aa8108e72e5e0"
+
+minimalistic-assert@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
+
+minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+
+"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8, minimist@~0.0.1:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+
+mkdirp@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.0.tgz#1d73076a6df986cd9344e15e71fcc05a4c9abf12"
+  dependencies:
+    minimist "0.0.8"
+
+mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+mocha@^3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.4.2.tgz#d0ef4d332126dbf18d0d640c9b382dd48be97594"
+  dependencies:
+    browser-stdout "1.3.0"
+    commander "2.9.0"
+    debug "2.6.0"
+    diff "3.2.0"
+    escape-string-regexp "1.0.5"
+    glob "7.1.1"
+    growl "1.9.2"
+    json3 "3.3.2"
+    lodash.create "3.1.1"
+    mkdirp "0.5.1"
+    supports-color "3.1.2"
+
+module-deps@^4.0.8:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-4.1.1.tgz#23215833f1da13fd606ccb8087b44852dcb821fd"
+  dependencies:
+    JSONStream "^1.0.3"
+    browser-resolve "^1.7.0"
+    cached-path-relative "^1.0.0"
+    concat-stream "~1.5.0"
+    defined "^1.0.0"
+    detective "^4.0.0"
+    duplexer2 "^0.1.2"
+    inherits "^2.0.1"
+    parents "^1.0.0"
+    readable-stream "^2.0.2"
+    resolve "^1.1.3"
+    stream-combiner2 "^1.1.1"
+    subarg "^1.0.0"
+    through2 "^2.0.0"
+    xtend "^4.0.0"
+
+ms@0.7.1:
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
+
+ms@0.7.2:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+
+mute-stream@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
+
+nan@^2.3.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+
+node-pre-gyp@^0.6.29:
+  version "0.6.36"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.36.tgz#db604112cb74e0d477554e9b505b17abddfab786"
+  dependencies:
+    mkdirp "^0.5.1"
+    nopt "^4.0.1"
+    npmlog "^4.0.2"
+    rc "^1.1.7"
+    request "^2.81.0"
+    rimraf "^2.6.1"
+    semver "^5.3.0"
+    tar "^2.2.1"
+    tar-pack "^3.4.0"
+
+nopt@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
+  dependencies:
+    abbrev "1"
+    osenv "^0.1.4"
+
+normalize-path@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  dependencies:
+    remove-trailing-separator "^1.0.1"
+
+npmlog@^4.0.2:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.0.tgz#dc59bee85f64f00ed424efb2af0783df25d1c0b5"
+  dependencies:
+    are-we-there-yet "~1.1.2"
+    console-control-strings "~1.1.0"
+    gauge "~2.7.3"
+    set-blocking "~2.0.0"
+
+null-check@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/null-check/-/null-check-1.0.0.tgz#977dffd7176012b9ec30d2a39db5cf72a0439edd"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+
+oauth-sign@~0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
+
+object-assign@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
+
+object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+object-component@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/object-component/-/object-component-0.0.3.tgz#f0c69aa50efc95b866c186f400a33769cb2f1291"
+
+object-inspect@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-0.4.0.tgz#f5157c116c1455b243b06ee97703392c5ad89fec"
+
+object-keys@^1.0.10, object-keys@^1.0.6, object-keys@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
+
+object-keys@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
+
+object.assign@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.0.4.tgz#b1c9cc044ef1b9fe63606fc141abbb32e14730cc"
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.0"
+    object-keys "^1.0.10"
+
+object.omit@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
+  dependencies:
+    for-own "^0.1.4"
+    is-extendable "^0.1.1"
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  dependencies:
+    ee-first "1.1.1"
+
+once@^1.3.0, once@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+onetime@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+
+optimist@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  dependencies:
+    minimist "~0.0.1"
+    wordwrap "~0.0.2"
+
+optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+options@>=0.0.5:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
+
+os-browserify@~0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.1.2.tgz#49ca0293e0b19590a5f5de10c7f265a617d8fe54"
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+
+osenv@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.4.tgz#42fe6d5953df06c8064be6f176c3d05aaaa34644"
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.0"
+
+outpipe@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/outpipe/-/outpipe-1.1.1.tgz#50cf8616365e87e031e29a5ec9339a3da4725fa2"
+  dependencies:
+    shell-quote "^1.4.2"
+
+output-file-sync@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-1.1.2.tgz#d0a33eefe61a205facb90092e826598d5245ce76"
+  dependencies:
+    graceful-fs "^4.1.4"
+    mkdirp "^0.5.1"
+    object-assign "^4.1.0"
+
+p-limit@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
+
+p-locate@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
+  dependencies:
+    p-limit "^1.1.0"
+
+pako@~0.2.0:
+  version "0.2.9"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
+
+pako@~1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.5.tgz#d2205dfe5b9da8af797e7c163db4d1f84e4600bc"
+
+parents@^1.0.0, parents@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parents/-/parents-1.0.1.tgz#fedd4d2bf193a77745fe71e371d73c3307d9c751"
+  dependencies:
+    path-platform "~0.11.15"
+
+parse-asn1@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
+  dependencies:
+    asn1.js "^4.0.0"
+    browserify-aes "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.0"
+    pbkdf2 "^3.0.3"
+
+parse-glob@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
+  dependencies:
+    glob-base "^0.3.0"
+    is-dotfile "^1.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.0"
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+parsejson@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.3.tgz#ab7e3759f209ece99437973f7d0f1f64ae0e64ab"
+  dependencies:
+    better-assert "~1.0.0"
+
+parseqs@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.5.tgz#d5208a3738e46766e291ba2ea173684921a8b89d"
+  dependencies:
+    better-assert "~1.0.0"
+
+parseuri@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.5.tgz#80204a50d4dbb779bfdc6ebe2778d90e4bce320a"
+  dependencies:
+    better-assert "~1.0.0"
+
+parseurl@~1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.1.tgz#c8ab8c9223ba34888aa64a297b28853bec18da56"
+
+path-browserify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-is-inside@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
+path-platform@~0.11.15:
+  version "0.11.15"
+  resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
+
+pbkdf2@^3.0.3:
+  version "3.0.12"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.12.tgz#be36785c5067ea48d806ff923288c5f750b6b8a2"
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+pend@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+
+performance-now@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
+
+phantomjs-prebuilt@^2.1.14, phantomjs-prebuilt@^2.1.7:
+  version "2.1.14"
+  resolved "https://registry.yarnpkg.com/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.14.tgz#d53d311fcfb7d1d08ddb24014558f1188c516da0"
+  dependencies:
+    es6-promise "~4.0.3"
+    extract-zip "~1.5.0"
+    fs-extra "~1.0.0"
+    hasha "~2.2.0"
+    kew "~0.7.0"
+    progress "~1.1.8"
+    request "~2.79.0"
+    request-progress "~2.0.1"
+    which "~1.2.10"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+
+pkg-conf@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-conf/-/pkg-conf-2.0.0.tgz#071c87650403bccfb9c627f58751bfe47c067279"
+  dependencies:
+    find-up "^2.0.0"
+    load-json-file "^2.0.0"
+
+pkg-config@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pkg-config/-/pkg-config-1.1.1.tgz#557ef22d73da3c8837107766c52eadabde298fe4"
+  dependencies:
+    debug-log "^1.0.0"
+    find-root "^1.0.0"
+    xtend "^4.0.1"
+
+pkg-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
+  dependencies:
+    find-up "^1.0.0"
+
+pkg-up@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-up/-/pkg-up-1.0.0.tgz#3e08fb461525c4421624a33b9f7e6d0af5b05a26"
+  dependencies:
+    find-up "^1.0.0"
+
+pluralize@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+
+preserve@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
+
+private@^0.1.6:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"
+
+process-nextick-args@~1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
+process@~0.11.0:
+  version "0.11.10"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+
+progress@^1.1.8, progress@~1.1.8:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
+
+public-encrypt@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
+  dependencies:
+    bn.js "^4.1.0"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    parse-asn1 "^5.0.0"
+    randombytes "^2.0.1"
+
+punycode@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
+
+punycode@^1.3.2, punycode@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+
+qjobs@^1.1.4:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/qjobs/-/qjobs-1.1.5.tgz#659de9f2cf8dcc27a1481276f205377272382e73"
+
+qs@6.4.0, qs@~6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
+
+qs@~6.3.0:
+  version "6.3.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
+
+querystring-es3@~0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
+
+querystring@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
+
+quote-stream@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/quote-stream/-/quote-stream-1.0.2.tgz#84963f8c9c26b942e153feeb53aae74652b7e0b2"
+  dependencies:
+    buffer-equal "0.0.1"
+    minimist "^1.1.3"
+    through2 "^2.0.0"
+
+quote-stream@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/quote-stream/-/quote-stream-0.0.0.tgz#cde29e94c409b16e19dc7098b89b6658f9721d3b"
+  dependencies:
+    minimist "0.0.8"
+    through2 "~0.4.1"
+
+randomatic@^1.1.3:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.6.tgz#110dcabff397e9dcff7c0789ccc0a49adf1ec5bb"
+  dependencies:
+    is-number "^2.0.2"
+    kind-of "^3.0.2"
+
+randombytes@^2.0.0, randombytes@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.4.tgz#9551df208422c8f80eb58e2326dd0b840ff22efd"
+  dependencies:
+    safe-buffer "^5.0.1"
+
+range-parser@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+
+raw-body@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.2.0.tgz#994976cf6a5096a41162840492f0bdc5d6e7fb96"
+  dependencies:
+    bytes "2.4.0"
+    iconv-lite "0.4.15"
+    unpipe "1.0.0"
+
+rc@^1.1.7:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.1.tgz#2e03e8e42ee450b8cb3dce65be1bf8974e1dfd95"
+  dependencies:
+    deep-extend "~0.4.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
+read-only-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"
+  dependencies:
+    readable-stream "^2.0.2"
+
+readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
+  version "2.2.10"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.10.tgz#effe72bb7c884c0dd335e2379d526196d9d011ee"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "^5.0.1"
+    string_decoder "~1.0.0"
+    util-deprecate "~1.0.1"
+
+readable-stream@~1.0.17, readable-stream@~1.0.2, readable-stream@~1.0.27-1:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readable-stream@~1.1.9:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readable-stream@~2.0.0:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    string_decoder "~0.10.x"
+    util-deprecate "~1.0.1"
+
+readdirp@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.1.0.tgz#4ed0ad060df3073300c48440373f72d1cc642d78"
+  dependencies:
+    graceful-fs "^4.1.2"
+    minimatch "^3.0.2"
+    readable-stream "^2.0.2"
+    set-immediate-shim "^1.0.1"
+
+readline2@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    mute-stream "0.0.5"
+
+rechoir@^0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
+  dependencies:
+    resolve "^1.1.6"
+
+regenerator-runtime@^0.10.0:
+  version "0.10.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+
+regex-cache@^0.4.2:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
+  dependencies:
+    is-equal-shallow "^0.1.3"
+    is-primitive "^2.0.0"
+
+remove-trailing-separator@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.0.1.tgz#615ebb96af559552d4bf4057c8436d486ab63cc4"
+
+repeat-element@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
+
+repeat-string@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-0.2.2.tgz#c7a8d3236068362059a7e4651fc6884e8b1fb4ae"
+
+repeat-string@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  dependencies:
+    is-finite "^1.0.0"
+
+request-progress@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/request-progress/-/request-progress-2.0.1.tgz#5d36bb57961c673aa5b788dbc8141fdf23b44e08"
+  dependencies:
+    throttleit "^1.0.0"
+
+request@^2.81.0:
+  version "2.81.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
+  dependencies:
+    aws-sign2 "~0.6.0"
+    aws4 "^1.2.1"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.0"
+    forever-agent "~0.6.1"
+    form-data "~2.1.1"
+    har-validator "~4.2.1"
+    hawk "~3.1.3"
+    http-signature "~1.1.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.7"
+    oauth-sign "~0.8.1"
+    performance-now "^0.2.0"
+    qs "~6.4.0"
+    safe-buffer "^5.0.1"
+    stringstream "~0.0.4"
+    tough-cookie "~2.3.0"
+    tunnel-agent "^0.6.0"
+    uuid "^3.0.0"
+
+request@~2.79.0:
+  version "2.79.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
+  dependencies:
+    aws-sign2 "~0.6.0"
+    aws4 "^1.2.1"
+    caseless "~0.11.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.0"
+    forever-agent "~0.6.1"
+    form-data "~2.1.1"
+    har-validator "~2.0.6"
+    hawk "~3.1.3"
+    http-signature "~1.1.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.7"
+    oauth-sign "~0.8.1"
+    qs "~6.3.0"
+    stringstream "~0.0.4"
+    tough-cookie "~2.3.0"
+    tunnel-agent "~0.4.1"
+    uuid "^3.0.0"
+
+require-uncached@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+requires-port@1.x.x:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+
+resolve@1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+resolve@^1.1.3, resolve@^1.1.4, resolve@^1.1.5, resolve@^1.1.6, resolve@^1.1.7:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.3.3.tgz#655907c3469a8680dc2de3a275a8fdd69691f0e5"
+  dependencies:
+    path-parse "^1.0.5"
+
+restore-cursor@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
+  dependencies:
+    exit-hook "^1.0.0"
+    onetime "^1.0.0"
+
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.0, rimraf@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
+  dependencies:
+    glob "^7.0.5"
+
+ripemd160@^2.0.0, ripemd160@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.1.tgz#0f4584295c53a3628af7e6d79aca21ce57d1c6e7"
+  dependencies:
+    hash-base "^2.0.0"
+    inherits "^2.0.1"
+
+run-async@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
+  dependencies:
+    once "^1.3.0"
+
+run-parallel@^1.1.2:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.6.tgz#29003c9a2163e01e2d2dfc90575f2c6c1d61a039"
+
+rx-lite@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
+
+safe-buffer@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.0.tgz#fe4c8460397f9eaaaa58e73be46273408a45e223"
+
+semver@5.3.0, semver@^5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+
+semver@~4.3.3:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+
+set-blocking@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+
+set-immediate-shim@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
+
+setprototypeof@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
+
+sha.js@^2.4.0, sha.js@^2.4.8, sha.js@~2.4.4:
+  version "2.4.8"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
+  dependencies:
+    inherits "^2.0.1"
+
+shallow-copy@~0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/shallow-copy/-/shallow-copy-0.0.1.tgz#415f42702d73d810330292cc5ee86eae1a11a170"
+
+shasum@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/shasum/-/shasum-1.0.2.tgz#e7012310d8f417f4deb5712150e5678b87ae565f"
+  dependencies:
+    json-stable-stringify "~0.0.0"
+    sha.js "~2.4.4"
+
+shell-quote@^1.4.2, shell-quote@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
+  dependencies:
+    array-filter "~0.0.0"
+    array-map "~0.0.0"
+    array-reduce "~0.0.0"
+    jsonify "~0.0.0"
+
+shelljs@^0.7.5:
+  version "0.7.7"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.7.tgz#b2f5c77ef97148f4b4f6e22682e10bba8667cff1"
+  dependencies:
+    glob "^7.0.0"
+    interpret "^1.0.0"
+    rechoir "^0.6.2"
+
+signal-exit@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
+
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+
+slice-ansi@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
+
+sntp@1.x.x:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"
+  dependencies:
+    hoek "2.x.x"
+
+socket.io-adapter@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-0.5.0.tgz#cb6d4bb8bec81e1078b99677f9ced0046066bb8b"
+  dependencies:
+    debug "2.3.3"
+    socket.io-parser "2.3.1"
+
+socket.io-client@1.7.3:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-1.7.3.tgz#b30e86aa10d5ef3546601c09cde4765e381da377"
+  dependencies:
+    backo2 "1.0.2"
+    component-bind "1.0.0"
+    component-emitter "1.2.1"
+    debug "2.3.3"
+    engine.io-client "1.8.3"
+    has-binary "0.1.7"
+    indexof "0.0.1"
+    object-component "0.0.3"
+    parseuri "0.0.5"
+    socket.io-parser "2.3.1"
+    to-array "0.1.4"
+
+socket.io-parser@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-2.3.1.tgz#dd532025103ce429697326befd64005fcfe5b4a0"
+  dependencies:
+    component-emitter "1.1.2"
+    debug "2.2.0"
+    isarray "0.0.1"
+    json3 "3.3.2"
+
+socket.io@1.7.3:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-1.7.3.tgz#b8af9caba00949e568e369f1327ea9be9ea2461b"
+  dependencies:
+    debug "2.3.3"
+    engine.io "1.8.3"
+    has-binary "0.1.7"
+    object-assign "4.1.0"
+    socket.io-adapter "0.5.0"
+    socket.io-client "1.7.3"
+    socket.io-parser "2.3.1"
+
+source-map-support@^0.4.2:
+  version "0.4.15"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.15.tgz#03202df65c06d2bd8c7ec2362a193056fef8d3b1"
+  dependencies:
+    source-map "^0.5.6"
+
+"source-map@>= 0.1.2", source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.3:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+
+source-map@~0.1.33:
+  version "0.1.43"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.1.43.tgz#c24bc146ca517c1471f5dacbe2571b2b7f9e3346"
+  dependencies:
+    amdefine ">=0.0.4"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+
+sshpk@^1.7.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.0.tgz#ff2a3e4fd04497555fed97b39a0fd82fafb3a33c"
+  dependencies:
+    asn1 "~0.2.3"
+    assert-plus "^1.0.0"
+    dashdash "^1.12.0"
+    getpass "^0.1.1"
+  optionalDependencies:
+    bcrypt-pbkdf "^1.0.0"
+    ecc-jsbn "~0.1.1"
+    jodid25519 "^1.0.0"
+    jsbn "~0.1.0"
+    tweetnacl "~0.14.0"
+
+standard-engine@~7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/standard-engine/-/standard-engine-7.0.0.tgz#ebb77b9c8fc2c8165ffa353bd91ba0dff41af690"
+  dependencies:
+    deglob "^2.1.0"
+    get-stdin "^5.0.1"
+    minimist "^1.1.0"
+    pkg-conf "^2.0.0"
+
+standard@^10.0.2:
+  version "10.0.2"
+  resolved "https://registry.yarnpkg.com/standard/-/standard-10.0.2.tgz#974c1c53cc865b075a4b576e78441e1695daaf7b"
+  dependencies:
+    eslint "~3.19.0"
+    eslint-config-standard "10.2.1"
+    eslint-config-standard-jsx "4.0.1"
+    eslint-plugin-import "~2.2.0"
+    eslint-plugin-node "~4.2.2"
+    eslint-plugin-promise "~3.5.0"
+    eslint-plugin-react "~6.10.0"
+    eslint-plugin-standard "~3.0.1"
+    standard-engine "~7.0.0"
+
+static-eval@~0.2.0:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/static-eval/-/static-eval-0.2.4.tgz#b7d34d838937b969f9641ca07d48f8ede263ea7b"
+  dependencies:
+    escodegen "~0.0.24"
+
+static-module@^1.1.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/static-module/-/static-module-1.3.2.tgz#329fb9f223a566266bda71843b7d932c767174f3"
+  dependencies:
+    concat-stream "~1.6.0"
+    duplexer2 "~0.0.2"
+    escodegen "~1.3.2"
+    falafel "^1.0.0"
+    has "^1.0.0"
+    object-inspect "~0.4.0"
+    quote-stream "~0.0.0"
+    readable-stream "~1.0.27-1"
+    shallow-copy "~0.0.1"
+    static-eval "~0.2.0"
+    through2 "~0.4.1"
+
+"statuses@>= 1.3.1 < 2", statuses@~1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
+
+stream-browserify@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
+  dependencies:
+    inherits "~2.0.1"
+    readable-stream "^2.0.2"
+
+stream-combiner2@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/stream-combiner2/-/stream-combiner2-1.1.1.tgz#fb4d8a1420ea362764e21ad4780397bebcb41cbe"
+  dependencies:
+    duplexer2 "~0.1.0"
+    readable-stream "^2.0.2"
+
+stream-http@^2.0.0:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.1.tgz#546a51741ad5a6b07e9e31b0b10441a917df528a"
+  dependencies:
+    builtin-status-codes "^3.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.2.6"
+    to-arraybuffer "^1.0.0"
+    xtend "^4.0.0"
+
+stream-splicer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.2"
+
+string-width@^1.0.1, string-width@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+string-width@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.0.0.tgz#635c5436cc72a6e0c387ceca278d4e2eec52687e"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^3.0.0"
+
+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+
+string_decoder@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.1.tgz#62e200f039955a6810d8df0a33ffc0f013662d98"
+  dependencies:
+    safe-buffer "^5.0.1"
+
+stringstream@~0.0.4:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
+
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+
+subarg@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
+  dependencies:
+    minimist "^1.1.0"
+
+supports-color@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.1.2.tgz#72a262894d9d408b956ca05ff37b2ed8a6e2a2d5"
+  dependencies:
+    has-flag "^1.0.0"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+
+syntax-error@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.3.0.tgz#1ed9266c4d40be75dc55bf9bb1cb77062bb96ca1"
+  dependencies:
+    acorn "^4.0.3"
+
+table@^3.7.8:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
+  dependencies:
+    ajv "^4.7.0"
+    ajv-keywords "^1.0.0"
+    chalk "^1.1.1"
+    lodash "^4.0.0"
+    slice-ansi "0.0.4"
+    string-width "^2.0.0"
+
+tar-pack@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.4.0.tgz#23be2d7f671a8339376cbdb0b8fe3fdebf317984"
+  dependencies:
+    debug "^2.2.0"
+    fstream "^1.0.10"
+    fstream-ignore "^1.0.5"
+    once "^1.3.3"
+    readable-stream "^2.1.4"
+    rimraf "^2.5.1"
+    tar "^2.2.1"
+    uid-number "^0.0.6"
+
+tar@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
+  dependencies:
+    block-stream "*"
+    fstream "^1.0.2"
+    inherits "2"
+
+text-table@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+
+throttleit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/throttleit/-/throttleit-1.0.0.tgz#9e785836daf46743145a5984b6268d828528ac6c"
+
+through2@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
+  dependencies:
+    readable-stream "^2.1.5"
+    xtend "~4.0.1"
+
+through2@~0.4.1:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-0.4.2.tgz#dbf5866031151ec8352bb6c4db64a2292a840b9b"
+  dependencies:
+    readable-stream "~1.0.17"
+    xtend "~2.1.1"
+
+"through@>=2.2.7 <3", through@^2.3.6:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+
+timers-browserify@^1.0.1:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-1.4.2.tgz#c9c58b575be8407375cb5e2462dacee74359f41d"
+  dependencies:
+    process "~0.11.0"
+
+tmp@0.0.31, tmp@0.0.x:
+  version "0.0.31"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.31.tgz#8f38ab9438e17315e5dbd8b3657e8bfb277ae4a7"
+  dependencies:
+    os-tmpdir "~1.0.1"
+
+to-array@0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/to-array/-/to-array-0.1.4.tgz#17e6c11f73dd4f3d74cda7a4ff3238e9ad9bf890"
+
+to-arraybuffer@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
+
+to-fast-properties@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+
+tough-cookie@~2.3.0:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.2.tgz#f081f76e4c85720e6c37a5faced737150d84072a"
+  dependencies:
+    punycode "^1.4.1"
+
+trim-right@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+
+tryit@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
+
+tty-browserify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
+
+tunnel-agent@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
+  dependencies:
+    safe-buffer "^5.0.1"
+
+tunnel-agent@~0.4.1:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.4.3.tgz#6373db76909fe570e08d73583365ed828a74eeeb"
+
+tweetnacl@^0.14.3, tweetnacl@~0.14.0:
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  dependencies:
+    prelude-ls "~1.1.2"
+
+type-is@~1.6.15:
+  version "1.6.15"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.15"
+
+typedarray@^0.0.6, typedarray@~0.0.5:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+
+uid-number@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
+
+ultron@1.0.x:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
+
+umd@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
+
+uniq@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
+
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+
+url@~0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
+  dependencies:
+    punycode "1.3.2"
+    querystring "0.2.0"
+
+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+
+user-home@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
+  dependencies:
+    os-homedir "^1.0.0"
+
+useragent@^2.1.12:
+  version "2.1.13"
+  resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.1.13.tgz#bba43e8aa24d5ceb83c2937473e102e21df74c10"
+  dependencies:
+    lru-cache "2.2.x"
+    tmp "0.0.x"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+util@0.10.3, util@~0.10.1:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
+  dependencies:
+    inherits "2.0.1"
+
+utils-merge@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
+
+uuid@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
+
+v8flags@^2.0.10:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+  dependencies:
+    user-home "^1.1.1"
+
+verror@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/verror/-/verror-1.3.6.tgz#cff5df12946d297d2baaefaa2689e25be01c005c"
+  dependencies:
+    extsprintf "1.0.2"
+
+vm-browserify@~0.0.1:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
+  dependencies:
+    indexof "0.0.1"
+
+void-elements@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-2.0.1.tgz#c066afb582bb1cb4128d60ea92392e94d5e9dbec"
+
+watchify@^3.9.0:
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/watchify/-/watchify-3.9.0.tgz#f075fd2e8a86acde84cedba6e5c2a0bedd523d9e"
+  dependencies:
+    anymatch "^1.3.0"
+    browserify "^14.0.0"
+    chokidar "^1.0.0"
+    defined "^1.0.0"
+    outpipe "^1.1.0"
+    through2 "^2.0.0"
+    xtend "^4.0.0"
+
+which@^1.2.1, which@~1.2.10:
+  version "1.2.14"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
+  dependencies:
+    isexe "^2.0.0"
+
+wide-align@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.2.tgz#571e0f1b0604636ebc0dfc21b0339bbe31341710"
+  dependencies:
+    string-width "^1.0.2"
+
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+
+wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+write@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+  dependencies:
+    mkdirp "^0.5.1"
+
+ws@1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.2.tgz#8a244fa052401e08c9886cf44a85189e1fd4067f"
+  dependencies:
+    options ">=0.0.5"
+    ultron "1.0.x"
+
+wtf-8@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wtf-8/-/wtf-8-1.0.0.tgz#392d8ba2d0f1c34d1ee2d630f15d0efb68e1048a"
+
+xmlhttprequest-ssl@1.5.3:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
+
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+
+xtend@~2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.1.2.tgz#6efecc2a4dad8e6962c4901b337ce7ba87b5d28b"
+  dependencies:
+    object-keys "~0.4.0"
+
+yauzl@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"
+  dependencies:
+    fd-slicer "~1.0.1"
+
+yeast@0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/yeast/-/yeast-0.1.2.tgz#008e06d8094320c372dbc2f8ed76a0ca6c8ac419"
diff --git a/node_modules/buffer-from/LICENSE b/node_modules/buffer-from/LICENSE
new file mode 100644
index 00000000..e4bf1d69
--- /dev/null
+++ b/node_modules/buffer-from/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016, 2018 Linus Unnebäck
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/buffer-from/index.js b/node_modules/buffer-from/index.js
new file mode 100644
index 00000000..e1a58b5e
--- /dev/null
+++ b/node_modules/buffer-from/index.js
@@ -0,0 +1,72 @@
+/* eslint-disable node/no-deprecated-api */
+
+var toString = Object.prototype.toString
+
+var isModern = (
+  typeof Buffer !== 'undefined' &&
+  typeof Buffer.alloc === 'function' &&
+  typeof Buffer.allocUnsafe === 'function' &&
+  typeof Buffer.from === 'function'
+)
+
+function isArrayBuffer (input) {
+  return toString.call(input).slice(8, -1) === 'ArrayBuffer'
+}
+
+function fromArrayBuffer (obj, byteOffset, length) {
+  byteOffset >>>= 0
+
+  var maxLength = obj.byteLength - byteOffset
+
+  if (maxLength < 0) {
+    throw new RangeError("'offset' is out of bounds")
+  }
+
+  if (length === undefined) {
+    length = maxLength
+  } else {
+    length >>>= 0
+
+    if (length > maxLength) {
+      throw new RangeError("'length' is out of bounds")
+    }
+  }
+
+  return isModern
+    ? Buffer.from(obj.slice(byteOffset, byteOffset + length))
+    : new Buffer(new Uint8Array(obj.slice(byteOffset, byteOffset + length)))
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  return isModern
+    ? Buffer.from(string, encoding)
+    : new Buffer(string, encoding)
+}
+
+function bufferFrom (value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (isArrayBuffer(value)) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  return isModern
+    ? Buffer.from(value)
+    : new Buffer(value)
+}
+
+module.exports = bufferFrom
diff --git a/node_modules/buffer-from/package.json b/node_modules/buffer-from/package.json
new file mode 100644
index 00000000..6ac5327b
--- /dev/null
+++ b/node_modules/buffer-from/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "buffer-from",
+  "version": "1.1.2",
+  "license": "MIT",
+  "repository": "LinusU/buffer-from",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "standard && node test"
+  },
+  "devDependencies": {
+    "standard": "^12.0.1"
+  },
+  "keywords": [
+    "buffer",
+    "buffer from"
+  ]
+}
diff --git a/node_modules/buffer-from/readme.md b/node_modules/buffer-from/readme.md
new file mode 100644
index 00000000..9880a558
--- /dev/null
+++ b/node_modules/buffer-from/readme.md
@@ -0,0 +1,69 @@
+# Buffer From
+
+A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.
+
+## Installation
+
+```sh
+npm install --save buffer-from
+```
+
+## Usage
+
+```js
+const bufferFrom = require('buffer-from')
+
+console.log(bufferFrom([1, 2, 3, 4]))
+//=> <Buffer 01 02 03 04>
+
+const arr = new Uint8Array([1, 2, 3, 4])
+console.log(bufferFrom(arr.buffer, 1, 2))
+//=> <Buffer 02 03>
+
+console.log(bufferFrom('test', 'utf8'))
+//=> <Buffer 74 65 73 74>
+
+const buf = bufferFrom('test')
+console.log(bufferFrom(buf))
+//=> <Buffer 74 65 73 74>
+```
+
+## API
+
+### bufferFrom(array)
+
+- `array` &lt;Array&gt;
+
+Allocates a new `Buffer` using an `array` of octets.
+
+### bufferFrom(arrayBuffer[, byteOffset[, length]])
+
+- `arrayBuffer` &lt;ArrayBuffer&gt; The `.buffer` property of a TypedArray or ArrayBuffer
+- `byteOffset` &lt;Integer&gt; Where to start copying from `arrayBuffer`. **Default:** `0`
+- `length` &lt;Integer&gt; How many bytes to copy from `arrayBuffer`. **Default:** `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a TypedArray instance, the
+newly created `Buffer` will share the same allocated memory as the TypedArray.
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+### bufferFrom(buffer)
+
+- `buffer` &lt;Buffer&gt; An existing `Buffer` to copy data from
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+### bufferFrom(string[, encoding])
+
+- `string` &lt;String&gt; A string to encode.
+- `encoding` &lt;String&gt; The encoding of `string`. **Default:** `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `string`. If
+provided, the `encoding` parameter identifies the character encoding of
+`string`.
+
+## See also
+
+- [buffer-alloc](https://github.com/LinusU/buffer-alloc) A ponyfill for `Buffer.alloc`
+- [buffer-alloc-unsafe](https://github.com/LinusU/buffer-alloc-unsafe) A ponyfill for `Buffer.allocUnsafe`
diff --git a/node_modules/buffer-xor/.npmignore b/node_modules/buffer-xor/.npmignore
new file mode 100644
index 00000000..3c3629e6
--- /dev/null
+++ b/node_modules/buffer-xor/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/node_modules/buffer-xor/.travis.yml b/node_modules/buffer-xor/.travis.yml
new file mode 100644
index 00000000..d9f695b7
--- /dev/null
+++ b/node_modules/buffer-xor/.travis.yml
@@ -0,0 +1,9 @@
+language: node_js
+before_install:
+  - "npm install npm -g"
+node_js:
+  - "0.12"
+env:
+  - TEST_SUITE=standard
+  - TEST_SUITE=unit
+script: "npm run-script $TEST_SUITE"
diff --git a/node_modules/buffer-xor/LICENSE b/node_modules/buffer-xor/LICENSE
new file mode 100644
index 00000000..bba52181
--- /dev/null
+++ b/node_modules/buffer-xor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Daniel Cousens
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/buffer-xor/README.md b/node_modules/buffer-xor/README.md
new file mode 100644
index 00000000..007f0582
--- /dev/null
+++ b/node_modules/buffer-xor/README.md
@@ -0,0 +1,41 @@
+# buffer-xor
+
+[![TRAVIS](https://secure.travis-ci.org/crypto-browserify/buffer-xor.png)](http://travis-ci.org/crypto-browserify/buffer-xor)
+[![NPM](http://img.shields.io/npm/v/buffer-xor.svg)](https://www.npmjs.org/package/buffer-xor)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+A simple module for bitwise-xor on buffers.
+
+
+## Examples
+
+``` javascript
+var xor = require("buffer-xor")
+var a = new Buffer('00ff0f', 'hex')
+var b = new Buffer('f0f0', 'hex')
+
+console.log(xor(a, b))
+// => <Buffer f0 0f>
+```
+
+
+Or for those seeking those few extra cycles, perform the operation in place:
+
+``` javascript
+var xorInplace = require("buffer-xor/inplace")
+var a = new Buffer('00ff0f', 'hex')
+var b = new Buffer('f0f0', 'hex')
+
+console.log(xorInplace(a, b))
+// => <Buffer f0 0f>
+// NOTE: xorInplace will return the shorter slice of its parameters
+
+// See that a has been mutated
+console.log(a)
+// => <Buffer f0 0f 0f>
+```
+
+
+## License [MIT](LICENSE)
+
diff --git a/node_modules/buffer-xor/index.js b/node_modules/buffer-xor/index.js
new file mode 100644
index 00000000..85ee6f63
--- /dev/null
+++ b/node_modules/buffer-xor/index.js
@@ -0,0 +1,10 @@
+module.exports = function xor (a, b) {
+  var length = Math.min(a.length, b.length)
+  var buffer = new Buffer(length)
+
+  for (var i = 0; i < length; ++i) {
+    buffer[i] = a[i] ^ b[i]
+  }
+
+  return buffer
+}
diff --git a/node_modules/buffer-xor/inline.js b/node_modules/buffer-xor/inline.js
new file mode 100644
index 00000000..87975703
--- /dev/null
+++ b/node_modules/buffer-xor/inline.js
@@ -0,0 +1 @@
+module.exports = require('./inplace')
diff --git a/node_modules/buffer-xor/inplace.js b/node_modules/buffer-xor/inplace.js
new file mode 100644
index 00000000..d71c172c
--- /dev/null
+++ b/node_modules/buffer-xor/inplace.js
@@ -0,0 +1,9 @@
+module.exports = function xorInplace (a, b) {
+  var length = Math.min(a.length, b.length)
+
+  for (var i = 0; i < length; ++i) {
+    a[i] = a[i] ^ b[i]
+  }
+
+  return a.slice(0, length)
+}
diff --git a/node_modules/buffer-xor/package.json b/node_modules/buffer-xor/package.json
new file mode 100644
index 00000000..5074b022
--- /dev/null
+++ b/node_modules/buffer-xor/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "buffer-xor",
+  "version": "1.0.3",
+  "description": "A simple module for bitwise-xor on buffers",
+  "main": "index.js",
+  "scripts": {
+    "standard": "standard",
+    "test": "npm run-script unit",
+    "unit": "mocha"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/buffer-xor.git"
+  },
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/buffer-xor/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/buffer-xor",
+  "keywords": [
+    "bits",
+    "bitwise",
+    "buffer",
+    "buffer-xor",
+    "crypto",
+    "inline",
+    "math",
+    "memory",
+    "performance",
+    "xor"
+  ],
+  "author": "Daniel Cousens",
+  "license": "MIT",
+  "devDependencies": {
+    "mocha": "*",
+    "standard": "*"
+  }
+}
diff --git a/node_modules/buffer-xor/test/fixtures.json b/node_modules/buffer-xor/test/fixtures.json
new file mode 100644
index 00000000..6f3431ef
--- /dev/null
+++ b/node_modules/buffer-xor/test/fixtures.json
@@ -0,0 +1,23 @@
+[
+  {
+    "a": "000f",
+    "b": "f0ff",
+    "expected": "f0f0"
+  },
+  {
+    "a": "000f0f",
+    "b": "f0ff",
+    "mutated": "f0f00f",
+    "expected": "f0f0"
+  },
+  {
+    "a": "000f",
+    "b": "f0ffff",
+    "expected": "f0f0"
+  },
+  {
+    "a": "000000",
+    "b": "000000",
+    "expected": "000000"
+  }
+]
diff --git a/node_modules/buffer-xor/test/index.js b/node_modules/buffer-xor/test/index.js
new file mode 100644
index 00000000..06eacab4
--- /dev/null
+++ b/node_modules/buffer-xor/test/index.js
@@ -0,0 +1,38 @@
+/* global describe, it */
+
+var assert = require('assert')
+var xor = require('../')
+var xorInplace = require('../inplace')
+var fixtures = require('./fixtures')
+
+describe('xor', function () {
+  fixtures.forEach(function (f) {
+    it('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function () {
+      var a = new Buffer(f.a, 'hex')
+      var b = new Buffer(f.b, 'hex')
+      var actual = xor(a, b)
+
+      assert.equal(actual.toString('hex'), f.expected)
+
+      // a/b unchanged
+      assert.equal(a.toString('hex'), f.a)
+      assert.equal(b.toString('hex'), f.b)
+    })
+  })
+})
+
+describe('xor/inplace', function () {
+  fixtures.forEach(function (f) {
+    it('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function () {
+      var a = new Buffer(f.a, 'hex')
+      var b = new Buffer(f.b, 'hex')
+      var actual = xorInplace(a, b)
+
+      assert.equal(actual.toString('hex'), f.expected)
+
+      // a mutated, b unchanged
+      assert.equal(a.toString('hex'), f.mutated || f.expected)
+      assert.equal(b.toString('hex'), f.b)
+    })
+  })
+})
diff --git a/node_modules/buffer/.travis.yml b/node_modules/buffer/.travis.yml
new file mode 100644
index 00000000..6789094e
--- /dev/null
+++ b/node_modules/buffer/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+- 'node'
+sudo: false
+env:
+  global:
+  - secure: AUsK+8fYSpwIMHcVt8Mu9SpG9RPHp4XDAwCQfpU3d5U65q8OVVC6C+XjvnNmEd2PoEJRHem8ZXEyRVfGM1sttKZLZP70TEKZOpOiRQnZiTQCAJ92TfGsDj/F4LoWSjUZUpfeg9b3iSp8G5dVw3+q9QZPIu6eykASK6bfcg//Cyg=
+  - secure: eQBKJWu7XbhAN4ZvOOhMenC0IPpoYj+wZVVzzsLwUppfJqlrHV0CUW8rJdvZNiaGhYhoyHTnAcynpTE5kZfg3XjevOvF8PGY5wUYCki9BI+rp+pvVPZE/DNUAQpFR2gd2nxMJ4kYv7GVb6i/DfuqJa0h8IuY4zcMuKWwbQd3Az8=
diff --git a/node_modules/buffer/AUTHORS.md b/node_modules/buffer/AUTHORS.md
new file mode 100644
index 00000000..8df343a6
--- /dev/null
+++ b/node_modules/buffer/AUTHORS.md
@@ -0,0 +1,44 @@
+# Authors
+
+#### Ordered by first contribution.
+
+- Romain Beauxis (toots@rastageeks.org)
+- Tobias Koppers (tobias.koppers@googlemail.com)
+- Janus (ysangkok@gmail.com)
+- Rainer Dreyer (rdrey1@gmail.com)
+- Tõnis Tiigi (tonistiigi@gmail.com)
+- James Halliday (mail@substack.net)
+- Michael Williamson (mike@zwobble.org)
+- elliottcable (github@elliottcable.name)
+- rafael (rvalle@livelens.net)
+- Andrew Kelley (superjoe30@gmail.com)
+- Andreas Madsen (amwebdk@gmail.com)
+- Mike Brevoort (mike.brevoort@pearson.com)
+- Brian White (mscdex@mscdex.net)
+- Feross Aboukhadijeh (feross@feross.org)
+- Ruben Verborgh (ruben@verborgh.org)
+- eliang (eliang.cs@gmail.com)
+- Jesse Tane (jesse.tane@gmail.com)
+- Alfonso Boza (alfonso@cloud.com)
+- Mathias Buus (mathiasbuus@gmail.com)
+- Devon Govett (devongovett@gmail.com)
+- Daniel Cousens (github@dcousens.com)
+- Joseph Dykstra (josephdykstra@gmail.com)
+- Parsha Pourkhomami (parshap+git@gmail.com)
+- Damjan Košir (damjan.kosir@gmail.com)
+- daverayment (dave.rayment@gmail.com)
+- kawanet (u-suke@kawa.net)
+- Linus Unnebäck (linus@folkdatorn.se)
+- Nolan Lawson (nolan.lawson@gmail.com)
+- Calvin Metcalf (calvin.metcalf@gmail.com)
+- Koki Takahashi (hakatasiloving@gmail.com)
+- Guy Bedford (guybedford@gmail.com)
+- Jan Schär (jscissr@gmail.com)
+- RaulTsc (tomescu.raul@gmail.com)
+- Matthieu Monsch (monsch@alum.mit.edu)
+- Dan Ehrenberg (littledan@chromium.org)
+- Kirill Fomichev (fanatid@ya.ru)
+- Yusuke Kawasaki (u-suke@kawa.net)
+- DC (dcposch@dcpos.ch)
+
+#### Generated by bin/update-authors.sh.
diff --git a/node_modules/buffer/LICENSE b/node_modules/buffer/LICENSE
new file mode 100644
index 00000000..d6bf75dc
--- /dev/null
+++ b/node_modules/buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh, and other contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/buffer/README.md b/node_modules/buffer/README.md
new file mode 100644
index 00000000..d3b82f66
--- /dev/null
+++ b/node_modules/buffer/README.md
@@ -0,0 +1,378 @@
+# buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][npm-url]
+
+#### The buffer module from [node.js](https://nodejs.org/), for the browser.
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[travis-image]: https://img.shields.io/travis/feross/buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/buffer
+[npm-image]: https://img.shields.io/npm/v/buffer.svg
+[npm-url]: https://npmjs.org/package/buffer
+[downloads-image]: https://img.shields.io/npm/dm/buffer.svg
+[saucelabs-image]: https://saucelabs.com/browser-matrix/buffer.svg
+[saucelabs-url]: https://saucelabs.com/u/buffer
+
+With [browserify](http://browserify.org), simply `require('buffer')` or use the `Buffer` global and you will get this module.
+
+The goal is to provide an API that is 100% identical to
+[node's Buffer API](https://nodejs.org/api/buffer.html). Read the
+[official docs](https://nodejs.org/api/buffer.html) for the full list of properties,
+instance methods, and class methods that are supported.
+
+## features
+
+- Manipulate binary data like a boss, in all browsers -- even IE6!
+- Super fast. Backed by Typed Arrays (`Uint8Array`/`ArrayBuffer`, not `Object`)
+- Extremely small bundle size (**5.04KB minified + gzipped**, 35.5KB with comments)
+- Excellent browser support (IE 6+, Chrome 4+, Firefox 3+, Safari 5.1+, Opera 11+, iOS, etc.)
+- Preserves Node API exactly, with one minor difference (see below)
+- Square-bracket `buf[4]` notation works, even in old browsers like IE6!
+- Does not modify any browser prototypes or put anything on `window`
+- Comprehensive test suite (including all buffer tests from node.js core)
+
+
+## install
+
+To use this module directly (without browserify), install it:
+
+```bash
+npm install buffer
+```
+
+This module was previously called **native-buffer-browserify**, but please use **buffer**
+from now on.
+
+A standalone bundle is available [here](https://wzrd.in/standalone/buffer), for non-browserify users.
+
+
+## usage
+
+The module's API is identical to node's `Buffer` API. Read the
+[official docs](https://nodejs.org/api/buffer.html) for the full list of properties,
+instance methods, and class methods that are supported.
+
+As mentioned above, `require('buffer')` or use the `Buffer` global with
+[browserify](http://browserify.org) and this module will automatically be included
+in your bundle. Almost any npm module will work in the browser, even if it assumes that
+the node `Buffer` API will be available.
+
+To depend on this module explicitly (without browserify), require it like this:
+
+```js
+var Buffer = require('buffer/').Buffer  // note: the trailing slash is important!
+```
+
+To require this module explicitly, use `require('buffer/')` which tells the node.js module
+lookup algorithm (also used by browserify) to use the **npm module** named `buffer`
+instead of the **node.js core** module named `buffer`!
+
+
+## how does it work?
+
+The Buffer constructor returns instances of `Uint8Array` that have their prototype
+changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of `Uint8Array`,
+so the returned instances will have all the node `Buffer` methods and the
+`Uint8Array` methods. Square bracket notation works as expected -- it returns a
+single octet.
+
+The `Uint8Array` prototype remains unmodified.
+
+
+## one minor difference
+
+#### In old browsers, `buf.slice()` does not modify parent buffer's memory
+
+If you only support modern browsers (specifically, those with typed array support),
+then this issue does not affect you. If you support super old browsers, then read on.
+
+In node, the `slice()` method returns a new `Buffer` that shares underlying memory
+with the original Buffer. When you modify one buffer, you modify the other.
+[Read more.](https://nodejs.org/api/buffer.html#buffer_buf_slice_start_end)
+
+In browsers with typed array support, this `Buffer` implementation supports this
+behavior. In browsers without typed arrays, an alternate buffer implementation is
+used that is based on `Object` which has no mechanism to point separate
+`Buffer`s to the same underlying slab of memory.
+
+You can see which browser versions lack typed array support
+[here](https://github.com/feross/buffer/blob/master/index.js#L22-L48).
+
+
+## tracking the latest node api
+
+This module tracks the Buffer API in the latest (unstable) version of node.js. The Buffer
+API is considered **stable** in the
+[node stability index](https://nodejs.org/docs/latest/api/documentation.html#documentation_stability_index),
+so it is unlikely that there will ever be breaking changes.
+Nonetheless, when/if the Buffer API changes in node, this module's API will change
+accordingly.
+
+## related packages
+
+- [`buffer-equals`](https://www.npmjs.com/package/buffer-equals) - Node.js 0.12 buffer.equals() ponyfill
+- [`buffer-reverse`](https://www.npmjs.com/package/buffer-reverse) - A lite module for reverse-operations on buffers
+- [`buffer-xor`](https://www.npmjs.com/package/buffer-xor) - A simple module for bitwise-xor on buffers
+- [`is-buffer`](https://www.npmjs.com/package/is-buffer) - Determine if an object is a Buffer without including the whole `Buffer` package
+- [`typedarray-to-buffer`](https://www.npmjs.com/package/typedarray-to-buffer) - Convert a typed array to a Buffer without a copy
+
+## performance
+
+See perf tests in `/perf`.
+
+`BrowserBuffer` is the browser `buffer` module (this repo). `Uint8Array` is included as a
+sanity check (since `BrowserBuffer` uses `Uint8Array` under the hood, `Uint8Array` will
+always be at least a bit faster). Finally, `NodeBuffer` is the node.js buffer module,
+which is included to compare against.
+
+NOTE: Performance has improved since these benchmarks were taken. PR welcoem to update the README.
+
+### Chrome 38
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 11,457,464 ops/sec | ±0.86% | 66 | ✓ |
+| Uint8Array#bracket-notation | 10,824,332 ops/sec | ±0.74% | 65 | |
+| | | | |
+| BrowserBuffer#concat | 450,532 ops/sec | ±0.76% | 68 | |
+| Uint8Array#concat | 1,368,911 ops/sec | ±1.50% | 62 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 903,001 ops/sec | ±0.96% | 67 | |
+| Uint8Array#copy(16000) | 1,422,441 ops/sec | ±1.04% | 66 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 11,431,358 ops/sec | ±0.46% | 69 | |
+| Uint8Array#copy(16) | 13,944,163 ops/sec | ±1.12% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 106,329 ops/sec | ±6.70% | 44 | |
+| Uint8Array#new(16000) | 131,001 ops/sec | ±2.85% | 31 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,554,491 ops/sec | ±1.60% | 65 | |
+| Uint8Array#new(16) | 6,623,930 ops/sec | ±1.66% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 112,830 ops/sec | ±0.51% | 69 | ✓ |
+| DataView#getFloat64 | 93,500 ops/sec | ±0.57% | 68 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 146,678 ops/sec | ±0.95% | 68 | ✓ |
+| DataView#getFloat32 | 99,311 ops/sec | ±0.41% | 67 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 843,214 ops/sec | ±0.70% | 69 | ✓ |
+| DataView#getUint32 | 103,024 ops/sec | ±0.64% | 67 | |
+| | | | |
+| BrowserBuffer#slice | 1,013,941 ops/sec | ±0.75% | 67 | |
+| Uint8Array#subarray | 1,903,928 ops/sec | ±0.53% | 67 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 61,387 ops/sec | ±0.90% | 67 | |
+| DataView#setFloat32 | 141,249 ops/sec | ±0.40% | 66 | ✓ |
+
+
+### Firefox 33
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 20,800,421 ops/sec | ±1.84% | 60 | |
+| Uint8Array#bracket-notation | 20,826,235 ops/sec | ±2.02% | 61 | ✓ |
+| | | | |
+| BrowserBuffer#concat | 153,076 ops/sec | ±2.32% | 61 | |
+| Uint8Array#concat | 1,255,674 ops/sec | ±8.65% | 52 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,105,312 ops/sec | ±1.16% | 63 | |
+| Uint8Array#copy(16000) | 1,615,911 ops/sec | ±0.55% | 66 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 16,357,599 ops/sec | ±0.73% | 68 | |
+| Uint8Array#copy(16) | 31,436,281 ops/sec | ±1.05% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 52,995 ops/sec | ±6.01% | 35 | |
+| Uint8Array#new(16000) | 87,686 ops/sec | ±5.68% | 45 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 252,031 ops/sec | ±1.61% | 66 | |
+| Uint8Array#new(16) | 8,477,026 ops/sec | ±0.49% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 99,871 ops/sec | ±0.41% | 69 | |
+| DataView#getFloat64 | 285,663 ops/sec | ±0.70% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readFloatBE | 115,540 ops/sec | ±0.42% | 69 | |
+| DataView#getFloat32 | 288,722 ops/sec | ±0.82% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readUInt32LE | 633,926 ops/sec | ±1.08% | 67 | ✓ |
+| DataView#getUint32 | 294,808 ops/sec | ±0.79% | 64 | |
+| | | | |
+| BrowserBuffer#slice | 349,425 ops/sec | ±0.46% | 69 | |
+| Uint8Array#subarray | 5,965,819 ops/sec | ±0.60% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 59,980 ops/sec | ±0.41% | 67 | |
+| DataView#setFloat32 | 317,634 ops/sec | ±0.63% | 68 | ✓ |
+
+### Safari 8
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,279,729 ops/sec | ±2.25% | 56 | ✓ |
+| Uint8Array#bracket-notation | 10,030,767 ops/sec | ±2.23% | 59 | |
+| | | | |
+| BrowserBuffer#concat | 144,138 ops/sec | ±1.38% | 65 | |
+| Uint8Array#concat | 4,950,764 ops/sec | ±1.70% | 63 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,058,548 ops/sec | ±1.51% | 64 | |
+| Uint8Array#copy(16000) | 1,409,666 ops/sec | ±1.17% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 6,282,529 ops/sec | ±1.88% | 58 | |
+| Uint8Array#copy(16) | 11,907,128 ops/sec | ±2.87% | 58 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 101,663 ops/sec | ±3.89% | 57 | |
+| Uint8Array#new(16000) | 22,050,818 ops/sec | ±6.51% | 46 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 176,072 ops/sec | ±2.13% | 64 | |
+| Uint8Array#new(16) | 24,385,731 ops/sec | ±5.01% | 51 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 41,341 ops/sec | ±1.06% | 67 | |
+| DataView#getFloat64 | 322,280 ops/sec | ±0.84% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readFloatBE | 46,141 ops/sec | ±1.06% | 65 | |
+| DataView#getFloat32 | 337,025 ops/sec | ±0.43% | 69 | ✓ |
+| | | | |
+| BrowserBuffer#readUInt32LE | 151,551 ops/sec | ±1.02% | 66 | |
+| DataView#getUint32 | 308,278 ops/sec | ±0.94% | 67 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 197,365 ops/sec | ±0.95% | 66 | |
+| Uint8Array#subarray | 9,558,024 ops/sec | ±3.08% | 58 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 17,518 ops/sec | ±1.03% | 63 | |
+| DataView#setFloat32 | 319,751 ops/sec | ±0.48% | 68 | ✓ |
+
+
+### Node 0.11.14
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,489,828 ops/sec | ±3.25% | 90 | |
+| Uint8Array#bracket-notation | 10,534,884 ops/sec | ±0.81% | 92 | ✓ |
+| NodeBuffer#bracket-notation | 10,389,910 ops/sec | ±0.97% | 87 | |
+| | | | |
+| BrowserBuffer#concat | 487,830 ops/sec | ±2.58% | 88 | |
+| Uint8Array#concat | 1,814,327 ops/sec | ±1.28% | 88 | ✓ |
+| NodeBuffer#concat | 1,636,523 ops/sec | ±1.88% | 73 | |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,073,665 ops/sec | ±0.77% | 90 | |
+| Uint8Array#copy(16000) | 1,348,517 ops/sec | ±0.84% | 89 | ✓ |
+| NodeBuffer#copy(16000) | 1,289,533 ops/sec | ±0.82% | 93 | |
+| | | | |
+| BrowserBuffer#copy(16) | 12,782,706 ops/sec | ±0.74% | 85 | |
+| Uint8Array#copy(16) | 14,180,427 ops/sec | ±0.93% | 92 | ✓ |
+| NodeBuffer#copy(16) | 11,083,134 ops/sec | ±1.06% | 89 | |
+| | | | |
+| BrowserBuffer#new(16000) | 141,678 ops/sec | ±3.30% | 67 | |
+| Uint8Array#new(16000) | 161,491 ops/sec | ±2.96% | 60 | |
+| NodeBuffer#new(16000) | 292,699 ops/sec | ±3.20% | 55 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,655,466 ops/sec | ±2.41% | 82 | |
+| Uint8Array#new(16) | 14,399,926 ops/sec | ±0.91% | 94 | ✓ |
+| NodeBuffer#new(16) | 3,894,696 ops/sec | ±0.88% | 92 | |
+| | | | |
+| BrowserBuffer#readDoubleBE | 109,582 ops/sec | ±0.75% | 93 | ✓ |
+| DataView#getFloat64 | 91,235 ops/sec | ±0.81% | 90 | |
+| NodeBuffer#readDoubleBE | 88,593 ops/sec | ±0.96% | 81 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 139,854 ops/sec | ±1.03% | 85 | ✓ |
+| DataView#getFloat32 | 98,744 ops/sec | ±0.80% | 89 | |
+| NodeBuffer#readFloatBE | 92,769 ops/sec | ±0.94% | 93 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 710,861 ops/sec | ±0.82% | 92 | |
+| DataView#getUint32 | 117,893 ops/sec | ±0.84% | 91 | |
+| NodeBuffer#readUInt32LE | 851,412 ops/sec | ±0.72% | 93 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 1,673,877 ops/sec | ±0.73% | 94 | |
+| Uint8Array#subarray | 6,919,243 ops/sec | ±0.67% | 90 | ✓ |
+| NodeBuffer#slice | 4,617,604 ops/sec | ±0.79% | 93 | |
+| | | | |
+| BrowserBuffer#writeFloatBE | 66,011 ops/sec | ±0.75% | 93 | |
+| DataView#setFloat32 | 127,760 ops/sec | ±0.72% | 93 | ✓ |
+| NodeBuffer#writeFloatBE | 103,352 ops/sec | ±0.83% | 93 | |
+
+### iojs 1.8.1
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,990,488 ops/sec | ±1.11% | 91 | |
+| Uint8Array#bracket-notation | 11,268,757 ops/sec | ±0.65% | 97 | |
+| NodeBuffer#bracket-notation | 11,353,260 ops/sec | ±0.83% | 94 | ✓ |
+| | | | |
+| BrowserBuffer#concat | 378,954 ops/sec | ±0.74% | 94 | |
+| Uint8Array#concat | 1,358,288 ops/sec | ±0.97% | 87 | |
+| NodeBuffer#concat | 1,934,050 ops/sec | ±1.11% | 78 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 894,538 ops/sec | ±0.56% | 84 | |
+| Uint8Array#copy(16000) | 1,442,656 ops/sec | ±0.71% | 96 | |
+| NodeBuffer#copy(16000) | 1,457,898 ops/sec | ±0.53% | 92 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 12,870,457 ops/sec | ±0.67% | 95 | |
+| Uint8Array#copy(16) | 16,643,989 ops/sec | ±0.61% | 93 | ✓ |
+| NodeBuffer#copy(16) | 14,885,848 ops/sec | ±0.74% | 94 | |
+| | | | |
+| BrowserBuffer#new(16000) | 109,264 ops/sec | ±4.21% | 63 | |
+| Uint8Array#new(16000) | 138,916 ops/sec | ±1.87% | 61 | |
+| NodeBuffer#new(16000) | 281,449 ops/sec | ±3.58% | 51 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,362,935 ops/sec | ±0.56% | 99 | |
+| Uint8Array#new(16) | 6,193,090 ops/sec | ±0.64% | 95 | ✓ |
+| NodeBuffer#new(16) | 4,745,425 ops/sec | ±1.56% | 90 | |
+| | | | |
+| BrowserBuffer#readDoubleBE | 118,127 ops/sec | ±0.59% | 93 | ✓ |
+| DataView#getFloat64 | 107,332 ops/sec | ±0.65% | 91 | |
+| NodeBuffer#readDoubleBE | 116,274 ops/sec | ±0.94% | 95 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 150,326 ops/sec | ±0.58% | 95 | ✓ |
+| DataView#getFloat32 | 110,541 ops/sec | ±0.57% | 98 | |
+| NodeBuffer#readFloatBE | 121,599 ops/sec | ±0.60% | 87 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 814,147 ops/sec | ±0.62% | 93 | |
+| DataView#getUint32 | 137,592 ops/sec | ±0.64% | 90 | |
+| NodeBuffer#readUInt32LE | 931,650 ops/sec | ±0.71% | 96 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 878,590 ops/sec | ±0.68% | 93 | |
+| Uint8Array#subarray | 2,843,308 ops/sec | ±1.02% | 90 | |
+| NodeBuffer#slice | 4,998,316 ops/sec | ±0.68% | 90 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 65,927 ops/sec | ±0.74% | 93 | |
+| DataView#setFloat32 | 139,823 ops/sec | ±0.97% | 89 | ✓ |
+| NodeBuffer#writeFloatBE | 135,763 ops/sec | ±0.65% | 96 | |
+| | | | |
+
+## Testing the project
+
+First, install the project:
+
+    npm install
+
+Then, to run tests in Node.js, run:
+
+    npm run test-node
+
+To test locally in a browser, you can run:
+
+    npm run test-browser-local
+
+This will print out a URL that you can then open in a browser to run the tests, using [Zuul](https://github.com/defunctzombie/zuul).
+
+To run automated browser tests using Saucelabs, ensure that your `SAUCE_USERNAME` and `SAUCE_ACCESS_KEY` environment variables are set, then run:
+
+    npm test
+
+This is what's run in Travis, to check against various browsers. The list of browsers is kept in the `.zuul.yml` file.
+
+## JavaScript Standard Style
+
+This module uses [JavaScript Standard Style](https://github.com/feross/standard).
+
+[![JavaScript Style Guide](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+To test that the code conforms to the style, `npm install` and run:
+
+    ./node_modules/.bin/standard
+
+## credit
+
+This was originally forked from [buffer-browserify](https://github.com/toots/buffer-browserify).
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org), and other contributors. Originally forked from an MIT-licensed module by Romain Beauxis.
diff --git a/node_modules/buffer/bin/download-node-tests.js b/node_modules/buffer/bin/download-node-tests.js
new file mode 100644
index 00000000..97efde02
--- /dev/null
+++ b/node_modules/buffer/bin/download-node-tests.js
@@ -0,0 +1,106 @@
+#!/usr/bin/env node
+
+var concat = require('concat-stream')
+var cp = require('child_process')
+var fs = require('fs')
+var hyperquest = require('hyperquest')
+var path = require('path')
+var split = require('split')
+var through = require('through2')
+
+var url = 'https://api.github.com/repos/nodejs/node/contents'
+var dirs = [
+  '/test/parallel',
+  '/test/pummel'
+]
+
+cp.execSync('rm -rf node/*.js', { cwd: path.join(__dirname, '../test') })
+
+var httpOpts = {
+  headers: {
+    'User-Agent': null
+    // auth if github rate-limits you...
+    // 'Authorization': 'Basic ' + Buffer('username:password').toString('base64'),
+  }
+}
+
+dirs.forEach(function (dir) {
+  var req = hyperquest(url + dir, httpOpts)
+  req.pipe(concat(function (data) {
+    if (req.response.statusCode !== 200) {
+      throw new Error(url + dir + ': ' + data.toString())
+    }
+    downloadBufferTests(dir, JSON.parse(data))
+  }))
+})
+
+function downloadBufferTests (dir, files) {
+  files.forEach(function (file) {
+    if (!/test-buffer.*/.test(file.name)) return
+
+    if (file.name === 'test-buffer-fakes.js') {
+      // These teses only apply to node, where they're calling into C++ and need to
+      // ensure the prototype can't be faked, or else there will be a segfault.
+      return
+    }
+
+    console.log(file.download_url)
+
+    var out = path.join(__dirname, '../test/node', file.name)
+    hyperquest(file.download_url, httpOpts)
+      .pipe(split())
+      .pipe(testfixer(file.name))
+      .pipe(fs.createWriteStream(out))
+      .on('finish', function () {
+        console.log('wrote ' + file.name)
+      })
+  })
+}
+
+function testfixer (filename) {
+  var firstline = true
+
+  return through(function (line, enc, cb) {
+    line = line.toString()
+
+    if (firstline) {
+      // require buffer explicitly
+      var preamble = 'var Buffer = require(\'../../\').Buffer;\n'
+      if (/use strict/.test(line)) line += '\n' + preamble
+      else line + preamble + '\n' + line
+      firstline = false
+    }
+
+    // use `var` instead of `const`/`let`
+    line = line.replace(/(const|let) /g, 'var ')
+
+    // make `var common = require('common')` work
+    line = line.replace(/(var common = require.*)/g, 'var common = { skip: function () {} };')
+
+    // make `require('../common')` work
+    line = line.replace(/require\('\.\.\/common'\);/g, '')
+
+    // require browser buffer
+    line = line.replace(/(.*)require\('buffer'\)(.*)/g, '$1require(\'../../\')$2')
+
+    // comment out console logs
+    line = line.replace(/(.*console\..*)/g, '// $1')
+
+    // we can't reliably test typed array max-sizes in the browser
+    if (filename === 'test-buffer-big.js') {
+      line = line.replace(/(.*new Int8Array.*RangeError.*)/, '// $1')
+      line = line.replace(/(.*new ArrayBuffer.*RangeError.*)/, '// $1')
+      line = line.replace(/(.*new Float64Array.*RangeError.*)/, '// $1')
+    }
+
+    // https://github.com/nodejs/node/blob/v0.12/test/parallel/test-buffer.js#L1138
+    // unfortunately we can't run this because crypto-browserify doesn't work in old
+    // versions of ie
+    if (filename === 'test-buffer.js') {
+      line = line.replace(/^(\s*)(var crypto = require.*)/, '$1// $2')
+      line = line.replace(/(crypto.createHash.*\))/, '1 /*$1*/')
+    }
+
+    cb(null, line + '\n')
+  })
+}
diff --git a/node_modules/buffer/bin/test.js b/node_modules/buffer/bin/test.js
new file mode 100644
index 00000000..5a86f1b2
--- /dev/null
+++ b/node_modules/buffer/bin/test.js
@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+
+var cp = require('child_process')
+var fs = require('fs')
+var path = require('path')
+
+var shouldRunBrowserTests = !process.env.TRAVIS_PULL_REQUEST ||
+  process.env.TRAVIS_PULL_REQUEST === 'false'
+
+var node = cp.spawn('npm', ['run', 'test-node'], { stdio: 'inherit' })
+node.on('close', function (code) {
+  if (code === 0 && shouldRunBrowserTests) {
+    runBrowserTests()
+  } else {
+    process.exit(code)
+  }
+})
+
+function runBrowserTests () {
+  var zuulYmlPath = path.join(__dirname, '..', '.zuul.yml')
+
+  writeES5ZuulYml()
+  cp.spawn('npm', ['run', 'test-browser-es5'], { stdio: 'inherit' })
+    .on('close', function (code) {
+      if (code !== 0) process.exit(code)
+      writeES6ZuulYml()
+      cp.spawn('npm', ['run', 'test-browser-es6'], { stdio: 'inherit' })
+        .on('close', function (code) {
+          process.exit(code)
+        })
+    })
+
+  function writeES5ZuulYml () {
+    fs.writeFileSync(zuulYmlPath, fs.readFileSync(path.join(__dirname, 'zuul-es5.yml')))
+  }
+
+  function writeES6ZuulYml () {
+    fs.writeFileSync(zuulYmlPath, fs.readFileSync(path.join(__dirname, 'zuul-es6.yml')))
+  }
+}
+
diff --git a/node_modules/buffer/bin/update-authors.sh b/node_modules/buffer/bin/update-authors.sh
new file mode 100644
index 00000000..efcbc780
--- /dev/null
+++ b/node_modules/buffer/bin/update-authors.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Update AUTHORS.md based on git history.
+
+git log --reverse --format='%aN (%aE)' | perl -we '
+BEGIN {
+  %seen = (), @authors = ();
+}
+while (<>) {
+  next if $seen{$_};
+  next if /(support\@greenkeeper.io)/;
+  next if /(dcousens\@users.noreply.github.com)/;
+  next if /(cmetcalf\@appgeo.com)/;
+  $seen{$_} = push @authors, "- ", $_;
+}
+END {
+  print "# Authors\n\n";
+  print "#### Ordered by first contribution.\n\n";
+  print @authors, "\n";
+  print "#### Generated by bin/update-authors.sh.\n";
+}
+' > AUTHORS.md
diff --git a/node_modules/buffer/bin/zuul-es5.yml b/node_modules/buffer/bin/zuul-es5.yml
new file mode 100644
index 00000000..3673bccf
--- /dev/null
+++ b/node_modules/buffer/bin/zuul-es5.yml
@@ -0,0 +1,14 @@
+ui: tape
+scripts:
+  - ./test/_polyfill.js
+browsers:
+  - name: safari
+    version: latest
+  - name: ie
+    version: 8..latest
+  - name: microsoftedge
+    version: 13..latest
+  - name: android
+    version: 4.4..latest
+  - name: iphone
+    version: latest
diff --git a/node_modules/buffer/bin/zuul-es6.yml b/node_modules/buffer/bin/zuul-es6.yml
new file mode 100644
index 00000000..8054ad65
--- /dev/null
+++ b/node_modules/buffer/bin/zuul-es6.yml
@@ -0,0 +1,6 @@
+ui: tape
+browsers:
+  - name: chrome
+    version: '-1..latest'
+  - name: firefox
+    version: '-1..latest'
diff --git a/node_modules/buffer/index.js b/node_modules/buffer/index.js
new file mode 100644
index 00000000..13249104
--- /dev/null
+++ b/node_modules/buffer/index.js
@@ -0,0 +1,1789 @@
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <http://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
+var isArray = require('isarray')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ *     incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
+  ? global.TYPED_ARRAY_SUPPORT
+  : typedArraySupport()
+
+/*
+ * Export kMaxLength after typed array support is determined.
+ */
+exports.kMaxLength = kMaxLength()
+
+function typedArraySupport () {
+  try {
+    var arr = new Uint8Array(1)
+    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+    return arr.foo() === 42 && // typed array instances can be augmented
+        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
+        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
+  } catch (e) {
+    return false
+  }
+}
+
+function kMaxLength () {
+  return Buffer.TYPED_ARRAY_SUPPORT
+    ? 0x7fffffff
+    : 0x3fffffff
+}
+
+function createBuffer (that, length) {
+  if (kMaxLength() < length) {
+    throw new RangeError('Invalid typed array length')
+  }
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = new Uint8Array(length)
+    that.__proto__ = Buffer.prototype
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    if (that === null) {
+      that = new Buffer(length)
+    }
+    that.length = length
+  }
+
+  return that
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
+    return new Buffer(arg, encodingOrOffset, length)
+  }
+
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new Error(
+        'If encoding is specified then the first argument must be a string'
+      )
+    }
+    return allocUnsafe(this, arg)
+  }
+  return from(this, arg, encodingOrOffset, length)
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+// TODO: Legacy, not needed anymore. Remove in next major version.
+Buffer._augment = function (arr) {
+  arr.__proto__ = Buffer.prototype
+  return arr
+}
+
+function from (that, value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+    return fromArrayBuffer(that, value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(that, value, encodingOrOffset)
+  }
+
+  return fromObject(that, value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(null, value, encodingOrOffset, length)
+}
+
+if (Buffer.TYPED_ARRAY_SUPPORT) {
+  Buffer.prototype.__proto__ = Uint8Array.prototype
+  Buffer.__proto__ = Uint8Array
+  if (typeof Symbol !== 'undefined' && Symbol.species &&
+      Buffer[Symbol.species] === Buffer) {
+    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+    Object.defineProperty(Buffer, Symbol.species, {
+      value: null,
+      configurable: true
+    })
+  }
+}
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be a number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
+  }
+}
+
+function alloc (that, size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(that, size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(that, size).fill(fill, encoding)
+      : createBuffer(that, size).fill(fill)
+  }
+  return createBuffer(that, size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(null, size, fill, encoding)
+}
+
+function allocUnsafe (that, size) {
+  assertSize(size)
+  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) {
+    for (var i = 0; i < size; ++i) {
+      that[i] = 0
+    }
+  }
+  return that
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(null, size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(null, size)
+}
+
+function fromString (that, string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  var length = byteLength(string, encoding) | 0
+  that = createBuffer(that, length)
+
+  var actual = that.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    that = that.slice(0, actual)
+  }
+
+  return that
+}
+
+function fromArrayLike (that, array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  that = createBuffer(that, length)
+  for (var i = 0; i < length; i += 1) {
+    that[i] = array[i] & 255
+  }
+  return that
+}
+
+function fromArrayBuffer (that, array, byteOffset, length) {
+  array.byteLength // this throws if `array` is not a valid ArrayBuffer
+
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('\'offset\' is out of bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('\'length\' is out of bounds')
+  }
+
+  if (byteOffset === undefined && length === undefined) {
+    array = new Uint8Array(array)
+  } else if (length === undefined) {
+    array = new Uint8Array(array, byteOffset)
+  } else {
+    array = new Uint8Array(array, byteOffset, length)
+  }
+
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = array
+    that.__proto__ = Buffer.prototype
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    that = fromArrayLike(that, array)
+  }
+  return that
+}
+
+function fromObject (that, obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    that = createBuffer(that, len)
+
+    if (that.length === 0) {
+      return that
+    }
+
+    obj.copy(that, 0, 0, len)
+    return that
+  }
+
+  if (obj) {
+    if ((typeof ArrayBuffer !== 'undefined' &&
+        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+      if (typeof obj.length !== 'number' || isnan(obj.length)) {
+        return createBuffer(that, 0)
+      }
+      return fromArrayLike(that, obj)
+    }
+
+    if (obj.type === 'Buffer' && isArray(obj.data)) {
+      return fromArrayLike(that, obj.data)
+    }
+  }
+
+  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+  // Note: cannot use `length < kMaxLength()` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= kMaxLength()) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return !!(b != null && b._isBuffer)
+}
+
+Buffer.compare = function compare (a, b) {
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos)
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    string = '' + string
+  }
+
+  var len = string.length
+  if (len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+      case undefined:
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) return utf8ToBytes(string).length // assume utf8
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+// Buffer instances.
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length | 0
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  if (this.length > 0) {
+    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+    if (this.length > max) str += ' ... '
+  }
+  return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError('Argument must be a Buffer')
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset  // Coerce to Number.
+  if (isNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (Buffer.TYPED_ARRAY_SUPPORT &&
+        typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  // must be an even number of digits
+  var strLen = string.length
+  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (isNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset | 0
+    if (isFinite(length)) {
+      length = length | 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  // legacy write(string, encoding, offset, length) - remove in v0.13
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+      : (firstByte > 0xBF) ? 2
+      : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i])
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    newBuf = this.subarray(start, end)
+    newBuf.__proto__ = Buffer.prototype
+  } else {
+    var sliceLen = end - start
+    newBuf = new Buffer(sliceLen, undefined)
+    for (var i = 0; i < sliceLen; ++i) {
+      newBuf[i] = this[i + start]
+    }
+  }
+
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+function objectWriteUInt16 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffff + value + 1
+  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+      (littleEndian ? i : 1 - i) * 8
+  }
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8)
+    this[offset + 1] = (value & 0xff)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
+  return offset + 2
+}
+
+function objectWriteUInt32 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffffffff + value + 1
+  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
+  }
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset + 3] = (value >>> 24)
+    this[offset + 2] = (value >>> 16)
+    this[offset + 1] = (value >>> 8)
+    this[offset] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24)
+    this[offset + 1] = (value >>> 16)
+    this[offset + 2] = (value >>> 8)
+    this[offset + 3] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8)
+    this[offset + 1] = (value & 0xff)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+    this[offset + 2] = (value >>> 16)
+    this[offset + 3] = (value >>> 24)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24)
+    this[offset + 1] = (value >>> 16)
+    this[offset + 2] = (value >>> 8)
+    this[offset + 3] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+  var i
+
+  if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+    // ascending copy from start
+    for (i = 0; i < len; ++i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, start + len),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if (code < 256) {
+        val = code
+      }
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : utf8ToBytes(new Buffer(val, encoding).toString())
+    var len = bytes.length
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function stringtrim (str) {
+  if (str.trim) return str.trim()
+  return str.replace(/^\s+|\s+$/g, '')
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+function isnan (val) {
+  return val !== val // eslint-disable-line no-self-compare
+}
diff --git a/node_modules/buffer/package.json b/node_modules/buffer/package.json
new file mode 100644
index 00000000..da7aa7cf
--- /dev/null
+++ b/node_modules/buffer/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "buffer",
+  "description": "Node.js Buffer API, for the browser",
+  "version": "4.9.2",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "http://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/buffer/issues"
+  },
+  "contributors": [
+    "Romain Beauxis <toots@rastageeks.org>",
+    "James Halliday <mail@substack.net>"
+  ],
+  "dependencies": {
+    "base64-js": "^1.0.2",
+    "ieee754": "^1.1.4",
+    "isarray": "^1.0.0"
+  },
+  "devDependencies": {
+    "benchmark": "^2.0.0",
+    "browserify": "^13.0.0",
+    "concat-stream": "^1.4.7",
+    "hyperquest": "^2.0.0",
+    "is-buffer": "^1.1.1",
+    "is-nan": "^1.0.1",
+    "split": "^1.0.0",
+    "standard": "^7.0.0",
+    "tape": "^4.0.0",
+    "through2": "^2.0.0",
+    "zuul": "^3.0.0"
+  },
+  "homepage": "https://github.com/feross/buffer",
+  "jspm": {
+    "map": {
+      "./index.js": {
+        "node": "@node/buffer"
+      }
+    }
+  },
+  "keywords": [
+    "arraybuffer",
+    "browser",
+    "browserify",
+    "buffer",
+    "compatible",
+    "dataview",
+    "uint8array"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/buffer.git"
+  },
+  "scripts": {
+    "perf": "browserify --debug perf/bracket-notation.js > perf/bundle.js && open perf/index.html",
+    "perf-node": "node perf/bracket-notation.js && node perf/concat.js && node perf/copy-big.js && node perf/copy.js && node perf/new-big.js && node perf/new.js && node perf/readDoubleBE.js && node perf/readFloatBE.js && node perf/readUInt32LE.js && node perf/slice.js && node perf/writeFloatBE.js",
+    "size": "browserify -r ./ | uglifyjs -c -m | gzip | wc -c",
+    "test": "standard && node ./bin/test.js",
+    "test-browser-es5": "zuul --ui tape -- test/*.js",
+    "test-browser-es5-local": "zuul --ui tape --local -- test/*.js",
+    "test-browser-es6": "zuul --ui tape -- test/*.js test/node/*.js",
+    "test-browser-es6-local": "zuul --ui tape --local -- test/*.js test/node/*.js",
+    "test-node": "tape test/*.js test/node/*.js && OBJECT_IMPL=true tape test/*.js",
+    "update-authors": "./bin/update-authors.sh"
+  },
+  "standard": {
+    "ignore": [
+      "test/node/*.js",
+      "test/_polyfill.js",
+      "perf/*.js"
+    ]
+  }
+}
diff --git a/node_modules/buffer/test/_polyfill.js b/node_modules/buffer/test/_polyfill.js
new file mode 100644
index 00000000..61f9c180
--- /dev/null
+++ b/node_modules/buffer/test/_polyfill.js
@@ -0,0 +1,150 @@
+if (!Array.prototype.forEach) {
+
+  Array.prototype.forEach = function(callback, thisArg) {
+
+    var T, k;
+
+    if (this == null) {
+      throw new TypeError(' this is null or not defined');
+    }
+
+    // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
+    var O = Object(this);
+
+    // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length".
+    // 3. Let len be ToUint32(lenValue).
+    var len = O.length >>> 0;
+
+    // 4. If IsCallable(callback) is false, throw a TypeError exception.
+    // See: http://es5.github.com/#x9.11
+    if (typeof callback !== "function") {
+      throw new TypeError(callback + ' is not a function');
+    }
+
+    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+    if (arguments.length > 1) {
+      T = thisArg;
+    }
+
+    // 6. Let k be 0
+    k = 0;
+
+    // 7. Repeat, while k < len
+    while (k < len) {
+
+      var kValue;
+
+      // a. Let Pk be ToString(k).
+      //   This is implicit for LHS operands of the in operator
+      // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk.
+      //   This step can be combined with c
+      // c. If kPresent is true, then
+      if (k in O) {
+
+        // i. Let kValue be the result of calling the Get internal method of O with argument Pk.
+        kValue = O[k];
+
+        // ii. Call the Call internal method of callback with T as the this value and
+        // argument list containing kValue, k, and O.
+        callback.call(T, kValue, k, O);
+      }
+      // d. Increase k by 1.
+      k++;
+    }
+    // 8. return undefined
+  };
+}
+
+if (!Array.isArray) {
+  Array.isArray = function(arg) {
+    return Object.prototype.toString.call(arg) === '[object Array]';
+  };
+}
+
+if (!Array.prototype.map) {
+
+  Array.prototype.map = function(callback, thisArg) {
+
+    var T, A, k;
+
+    if (this == null) {
+      throw new TypeError(' this is null or not defined');
+    }
+
+    // 1. Let O be the result of calling ToObject passing the |this|
+    //    value as the argument.
+    var O = Object(this);
+
+    // 2. Let lenValue be the result of calling the Get internal
+    //    method of O with the argument "length".
+    // 3. Let len be ToUint32(lenValue).
+    var len = O.length >>> 0;
+
+    // 4. If IsCallable(callback) is false, throw a TypeError exception.
+    // See: http://es5.github.com/#x9.11
+    if (typeof callback !== 'function') {
+      throw new TypeError(callback + ' is not a function');
+    }
+
+    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+    if (arguments.length > 1) {
+      T = thisArg;
+    }
+
+    // 6. Let A be a new array created as if by the expression new Array(len)
+    //    where Array is the standard built-in constructor with that name and
+    //    len is the value of len.
+    A = new Array(len);
+
+    // 7. Let k be 0
+    k = 0;
+
+    // 8. Repeat, while k < len
+    while (k < len) {
+
+      var kValue, mappedValue;
+
+      // a. Let Pk be ToString(k).
+      //   This is implicit for LHS operands of the in operator
+      // b. Let kPresent be the result of calling the HasProperty internal
+      //    method of O with argument Pk.
+      //   This step can be combined with c
+      // c. If kPresent is true, then
+      if (k in O) {
+
+        // i. Let kValue be the result of calling the Get internal
+        //    method of O with argument Pk.
+        kValue = O[k];
+
+        // ii. Let mappedValue be the result of calling the Call internal
+        //     method of callback with T as the this value and argument
+        //     list containing kValue, k, and O.
+        mappedValue = callback.call(T, kValue, k, O);
+
+        // iii. Call the DefineOwnProperty internal method of A with arguments
+        // Pk, Property Descriptor
+        // { Value: mappedValue,
+        //   Writable: true,
+        //   Enumerable: true,
+        //   Configurable: true },
+        // and false.
+
+        // In browsers that support Object.defineProperty, use the following:
+        // Object.defineProperty(A, k, {
+        //   value: mappedValue,
+        //   writable: true,
+        //   enumerable: true,
+        //   configurable: true
+        // });
+
+        // For best browser support, use the following:
+        A[k] = mappedValue;
+      }
+      // d. Increase k by 1.
+      k++;
+    }
+
+    // 9. return A
+    return A;
+  };
+}
diff --git a/node_modules/buffer/test/base64.js b/node_modules/buffer/test/base64.js
new file mode 100644
index 00000000..e4ecc56a
--- /dev/null
+++ b/node_modules/buffer/test/base64.js
@@ -0,0 +1,47 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('base64: ignore whitespace', function (t) {
+  var text = '\n   YW9ldQ==  '
+  var buf = new B(text, 'base64')
+  t.equal(buf.toString(), 'aoeu')
+  t.end()
+})
+
+test('base64: strings without padding', function (t) {
+  t.equal((new B('YW9ldQ', 'base64').toString()), 'aoeu')
+  t.end()
+})
+
+test('base64: newline in utf8 -- should not be an issue', function (t) {
+  t.equal(
+    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK', 'base64').toString('utf8'),
+    '---\ntitle: Three dashes marks the spot\ntags:\n'
+  )
+  t.end()
+})
+
+test('base64: newline in base64 -- should get stripped', function (t) {
+  t.equal(
+    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK\nICAtIHlhbWwKICAtIGZyb250LW1hdHRlcgogIC0gZGFzaGVzCmV4cGFuZWQt', 'base64').toString('utf8'),
+    '---\ntitle: Three dashes marks the spot\ntags:\n  - yaml\n  - front-matter\n  - dashes\nexpaned-'
+  )
+  t.end()
+})
+
+test('base64: tab characters in base64 - should get stripped', function (t) {
+  t.equal(
+    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK\t\t\t\tICAtIHlhbWwKICAtIGZyb250LW1hdHRlcgogIC0gZGFzaGVzCmV4cGFuZWQt', 'base64').toString('utf8'),
+    '---\ntitle: Three dashes marks the spot\ntags:\n  - yaml\n  - front-matter\n  - dashes\nexpaned-'
+  )
+  t.end()
+})
+
+test('base64: invalid non-alphanumeric characters -- should be stripped', function (t) {
+  t.equal(
+    new B('!"#$%&\'()*,.:;<=>?@[\\]^`{|}~', 'base64').toString('utf8'),
+    ''
+  )
+  t.end()
+})
diff --git a/node_modules/buffer/test/basic.js b/node_modules/buffer/test/basic.js
new file mode 100644
index 00000000..0368ed91
--- /dev/null
+++ b/node_modules/buffer/test/basic.js
@@ -0,0 +1,85 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('instanceof Buffer', function (t) {
+  var buf = new B([1, 2])
+  t.ok(buf instanceof B)
+  t.end()
+})
+
+test('convert to Uint8Array in modern browsers', function (t) {
+  if (B.TYPED_ARRAY_SUPPORT) {
+    var buf = new B([1, 2])
+    var uint8array = new Uint8Array(buf.buffer)
+    t.ok(uint8array instanceof Uint8Array)
+    t.equal(uint8array[0], 1)
+    t.equal(uint8array[1], 2)
+  } else {
+    t.pass('object impl: skipping test')
+  }
+  t.end()
+})
+
+test('indexes from a string', function (t) {
+  var buf = new B('abc')
+  t.equal(buf[0], 97)
+  t.equal(buf[1], 98)
+  t.equal(buf[2], 99)
+  t.end()
+})
+
+test('indexes from an array', function (t) {
+  var buf = new B([ 97, 98, 99 ])
+  t.equal(buf[0], 97)
+  t.equal(buf[1], 98)
+  t.equal(buf[2], 99)
+  t.end()
+})
+
+test('setting index value should modify buffer contents', function (t) {
+  var buf = new B([ 97, 98, 99 ])
+  t.equal(buf[2], 99)
+  t.equal(buf.toString(), 'abc')
+
+  buf[2] += 10
+  t.equal(buf[2], 109)
+  t.equal(buf.toString(), 'abm')
+  t.end()
+})
+
+test('storing negative number should cast to unsigned', function (t) {
+  var buf = new B(1)
+
+  if (B.TYPED_ARRAY_SUPPORT) {
+    // This does not work with the object implementation -- nothing we can do!
+    buf[0] = -3
+    t.equal(buf[0], 253)
+  }
+
+  buf = new B(1)
+  buf.writeInt8(-3, 0)
+  t.equal(buf[0], 253)
+
+  t.end()
+})
+
+test('test that memory is copied from array-like', function (t) {
+  if (B.TYPED_ARRAY_SUPPORT) {
+    var u = new Uint8Array(4)
+    var b = new B(u)
+    b[0] = 1
+    b[1] = 2
+    b[2] = 3
+    b[3] = 4
+
+    t.equal(u[0], 0)
+    t.equal(u[1], 0)
+    t.equal(u[2], 0)
+    t.equal(u[3], 0)
+  } else {
+    t.pass('object impl: skipping test')
+  }
+
+  t.end()
+})
diff --git a/node_modules/buffer/test/compare.js b/node_modules/buffer/test/compare.js
new file mode 100644
index 00000000..62b478c7
--- /dev/null
+++ b/node_modules/buffer/test/compare.js
@@ -0,0 +1,59 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('buffer.compare', function (t) {
+  var b = new B(1).fill('a')
+  var c = new B(1).fill('c')
+  var d = new B(2).fill('aa')
+
+  t.equal(b.compare(c), -1)
+  t.equal(c.compare(d), 1)
+  t.equal(d.compare(b), 1)
+  t.equal(b.compare(d), -1)
+
+  // static method
+  t.equal(B.compare(b, c), -1)
+  t.equal(B.compare(c, d), 1)
+  t.equal(B.compare(d, b), 1)
+  t.equal(B.compare(b, d), -1)
+  t.end()
+})
+
+test('buffer.compare argument validation', function (t) {
+  t.throws(function () {
+    var b = new B(1)
+    B.compare(b, 'abc')
+  })
+
+  t.throws(function () {
+    var b = new B(1)
+    B.compare('abc', b)
+  })
+
+  t.throws(function () {
+    var b = new B(1)
+    b.compare('abc')
+  })
+  t.end()
+})
+
+test('buffer.equals', function (t) {
+  var b = new B(5).fill('abcdf')
+  var c = new B(5).fill('abcdf')
+  var d = new B(5).fill('abcde')
+  var e = new B(6).fill('abcdef')
+
+  t.ok(b.equals(c))
+  t.ok(!c.equals(d))
+  t.ok(!d.equals(e))
+  t.end()
+})
+
+test('buffer.equals argument validation', function (t) {
+  t.throws(function () {
+    var b = new B(1)
+    b.equals('abc')
+  })
+  t.end()
+})
diff --git a/node_modules/buffer/test/constructor.js b/node_modules/buffer/test/constructor.js
new file mode 100644
index 00000000..cec5cdcb
--- /dev/null
+++ b/node_modules/buffer/test/constructor.js
@@ -0,0 +1,193 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('new buffer from array', function (t) {
+  t.equal(
+    new B([1, 2, 3]).toString(),
+    '\u0001\u0002\u0003'
+  )
+  t.end()
+})
+
+test('new buffer from array w/ negatives', function (t) {
+  t.equal(
+    new B([-1, -2, -3]).toString('hex'),
+    'fffefd'
+  )
+  t.end()
+})
+
+test('new buffer from array with mixed signed input', function (t) {
+  t.equal(
+    new B([-255, 255, -128, 128, 512, -512, 511, -511]).toString('hex'),
+    '01ff80800000ff01'
+  )
+  t.end()
+})
+
+test('new buffer from string', function (t) {
+  t.equal(
+    new B('hey', 'utf8').toString(),
+    'hey'
+  )
+  t.end()
+})
+
+test('new buffer from buffer', function (t) {
+  var b1 = new B('asdf')
+  var b2 = new B(b1)
+  t.equal(b1.toString('hex'), b2.toString('hex'))
+  t.end()
+})
+
+test('new buffer from ArrayBuffer', function (t) {
+  if (typeof ArrayBuffer !== 'undefined') {
+    var arraybuffer = new Uint8Array([0, 1, 2, 3]).buffer
+    var b = new B(arraybuffer)
+    t.equal(b.length, 4)
+    t.equal(b[0], 0)
+    t.equal(b[1], 1)
+    t.equal(b[2], 2)
+    t.equal(b[3], 3)
+    t.equal(b[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from ArrayBuffer, shares memory', function (t) {
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    var u = new Uint8Array([0, 1, 2, 3])
+    var arraybuffer = u.buffer
+    var b = new B(arraybuffer)
+    t.equal(b.length, 4)
+    t.equal(b[0], 0)
+    t.equal(b[1], 1)
+    t.equal(b[2], 2)
+    t.equal(b[3], 3)
+    t.equal(b[4], undefined)
+
+    // changing the Uint8Array (and thus the ArrayBuffer), changes the Buffer
+    u[0] = 10
+    t.equal(b[0], 10)
+    u[1] = 11
+    t.equal(b[1], 11)
+    u[2] = 12
+    t.equal(b[2], 12)
+    u[3] = 13
+    t.equal(b[3], 13)
+  }
+  t.end()
+})
+
+test('new buffer from Uint8Array', function (t) {
+  if (typeof Uint8Array !== 'undefined') {
+    var b1 = new Uint8Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Uint16Array', function (t) {
+  if (typeof Uint16Array !== 'undefined') {
+    var b1 = new Uint16Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Uint32Array', function (t) {
+  if (typeof Uint32Array !== 'undefined') {
+    var b1 = new Uint32Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Int16Array', function (t) {
+  if (typeof Int16Array !== 'undefined') {
+    var b1 = new Int16Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Int32Array', function (t) {
+  if (typeof Int32Array !== 'undefined') {
+    var b1 = new Int32Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Float32Array', function (t) {
+  if (typeof Float32Array !== 'undefined') {
+    var b1 = new Float32Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from Float64Array', function (t) {
+  if (typeof Float64Array !== 'undefined') {
+    var b1 = new Float64Array([0, 1, 2, 3])
+    var b2 = new B(b1)
+    t.equal(b1.length, b2.length)
+    t.equal(b1[0], 0)
+    t.equal(b1[1], 1)
+    t.equal(b1[2], 2)
+    t.equal(b1[3], 3)
+    t.equal(b1[4], undefined)
+  }
+  t.end()
+})
+
+test('new buffer from buffer.toJSON() output', function (t) {
+  if (typeof JSON === 'undefined') {
+    // ie6, ie7 lack support
+    t.end()
+    return
+  }
+  var buf = new B('test')
+  var json = JSON.stringify(buf)
+  var obj = JSON.parse(json)
+  var copy = new B(obj)
+  t.ok(buf.equals(copy))
+  t.end()
+})
diff --git a/node_modules/buffer/test/from-string.js b/node_modules/buffer/test/from-string.js
new file mode 100644
index 00000000..e25db269
--- /dev/null
+++ b/node_modules/buffer/test/from-string.js
@@ -0,0 +1,132 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('detect utf16 surrogate pairs', function (t) {
+  var text = '\uD83D\uDE38' + '\uD83D\uDCAD' + '\uD83D\uDC4D'
+  var buf = new B(text)
+  t.equal(text, buf.toString())
+  t.end()
+})
+
+test('detect utf16 surrogate pairs over U+20000 until U+10FFFF', function (t) {
+  var text = '\uD842\uDFB7' + '\uD93D\uDCAD' + '\uDBFF\uDFFF'
+  var buf = new B(text)
+  t.equal(text, buf.toString())
+  t.end()
+})
+
+test('replace orphaned utf16 surrogate lead code point', function (t) {
+  var text = '\uD83D\uDE38' + '\uD83D' + '\uD83D\uDC4D'
+  var buf = new B(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ]))
+  t.end()
+})
+
+test('replace orphaned utf16 surrogate trail code point', function (t) {
+  var text = '\uD83D\uDE38' + '\uDCAD' + '\uD83D\uDC4D'
+  var buf = new B(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ]))
+  t.end()
+})
+
+test('do not write partial utf16 code units', function (t) {
+  var f = new B([0, 0, 0, 0, 0])
+  t.equal(f.length, 5)
+  var size = f.write('あいうえお', 'utf16le')
+  t.equal(size, 4)
+  t.deepEqual(f, new B([0x42, 0x30, 0x44, 0x30, 0x00]))
+  t.end()
+})
+
+test('handle partial utf16 code points when encoding to utf8 the way node does', function (t) {
+  var text = '\uD83D\uDE38' + '\uD83D\uDC4D'
+
+  var buf = new B(8)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xf0, 0x9f, 0x91, 0x8d ]))
+
+  buf = new B(7)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00, 0x00 ]))
+
+  buf = new B(6)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00 ]))
+
+  buf = new B(5)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00 ]))
+
+  buf = new B(4)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8 ]))
+
+  buf = new B(3)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x00, 0x00, 0x00 ]))
+
+  buf = new B(2)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x00, 0x00 ]))
+
+  buf = new B(1)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x00 ]))
+
+  t.end()
+})
+
+test('handle invalid utf16 code points when encoding to utf8 the way node does', function (t) {
+  var text = 'a' + '\uDE38\uD83D' + 'b'
+
+  var buf = new B(8)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd, 0x62 ]))
+
+  buf = new B(7)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd ]))
+
+  buf = new B(6)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00, 0x00 ]))
+
+  buf = new B(5)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00 ]))
+
+  buf = new B(4)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd ]))
+
+  buf = new B(3)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0x00, 0x00 ]))
+
+  buf = new B(2)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61, 0x00 ]))
+
+  buf = new B(1)
+  buf.fill(0)
+  buf.write(text)
+  t.deepEqual(buf, new B([ 0x61 ]))
+
+  t.end()
+})
diff --git a/node_modules/buffer/test/is-buffer.js b/node_modules/buffer/test/is-buffer.js
new file mode 100644
index 00000000..3744b23a
--- /dev/null
+++ b/node_modules/buffer/test/is-buffer.js
@@ -0,0 +1,22 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var isBuffer = require('is-buffer')
+var test = require('tape')
+
+test('is-buffer tests', function (t) {
+  t.ok(isBuffer(new B(4)), 'new Buffer(4)')
+
+  t.notOk(isBuffer(undefined), 'undefined')
+  t.notOk(isBuffer(null), 'null')
+  t.notOk(isBuffer(''), 'empty string')
+  t.notOk(isBuffer(true), 'true')
+  t.notOk(isBuffer(false), 'false')
+  t.notOk(isBuffer(0), '0')
+  t.notOk(isBuffer(1), '1')
+  t.notOk(isBuffer(1.0), '1.0')
+  t.notOk(isBuffer('string'), 'string')
+  t.notOk(isBuffer({}), '{}')
+  t.notOk(isBuffer(function foo () {}), 'function foo () {}')
+
+  t.end()
+})
diff --git a/node_modules/buffer/test/methods.js b/node_modules/buffer/test/methods.js
new file mode 100644
index 00000000..f4bd3f21
--- /dev/null
+++ b/node_modules/buffer/test/methods.js
@@ -0,0 +1,127 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('buffer.toJSON', function (t) {
+  var data = [1, 2, 3, 4]
+  t.deepEqual(
+    new B(data).toJSON(),
+    { type: 'Buffer', data: [ 1, 2, 3, 4 ] }
+  )
+  t.end()
+})
+
+test('buffer.copy', function (t) {
+  // copied from nodejs.org example
+  var buf1 = new B(26)
+  var buf2 = new B(26)
+
+  for (var i = 0; i < 26; i++) {
+    buf1[i] = i + 97 // 97 is ASCII a
+    buf2[i] = 33 // ASCII !
+  }
+
+  buf1.copy(buf2, 8, 16, 20)
+
+  t.equal(
+    buf2.toString('ascii', 0, 25),
+    '!!!!!!!!qrst!!!!!!!!!!!!!'
+  )
+  t.end()
+})
+
+test('test offset returns are correct', function (t) {
+  var b = new B(16)
+  t.equal(4, b.writeUInt32LE(0, 0))
+  t.equal(6, b.writeUInt16LE(0, 4))
+  t.equal(7, b.writeUInt8(0, 6))
+  t.equal(8, b.writeInt8(0, 7))
+  t.equal(16, b.writeDoubleLE(0, 8))
+  t.end()
+})
+
+test('concat() a varying number of buffers', function (t) {
+  var zero = []
+  var one = [ new B('asdf') ]
+  var long = []
+  for (var i = 0; i < 10; i++) {
+    long.push(new B('asdf'))
+  }
+
+  var flatZero = B.concat(zero)
+  var flatOne = B.concat(one)
+  var flatLong = B.concat(long)
+  var flatLongLen = B.concat(long, 40)
+
+  t.equal(flatZero.length, 0)
+  t.equal(flatOne.toString(), 'asdf')
+  t.deepEqual(flatOne, one[0])
+  t.equal(flatLong.toString(), (new Array(10 + 1).join('asdf')))
+  t.equal(flatLongLen.toString(), (new Array(10 + 1).join('asdf')))
+  t.end()
+})
+
+test('fill', function (t) {
+  var b = new B(10)
+  b.fill(2)
+  t.equal(b.toString('hex'), '02020202020202020202')
+  t.end()
+})
+
+test('fill (string)', function (t) {
+  var b = new B(10)
+  b.fill('abc')
+  t.equal(b.toString(), 'abcabcabca')
+  b.fill('է')
+  t.equal(b.toString(), 'էէէէէ')
+  t.end()
+})
+
+test('copy() empty buffer with sourceEnd=0', function (t) {
+  var source = new B([42])
+  var destination = new B([43])
+  source.copy(destination, 0, 0, 0)
+  t.equal(destination.readUInt8(0), 43)
+  t.end()
+})
+
+test('copy() after slice()', function (t) {
+  var source = new B(200)
+  var dest = new B(200)
+  var expected = new B(200)
+  for (var i = 0; i < 200; i++) {
+    source[i] = i
+    dest[i] = 0
+  }
+
+  source.slice(2).copy(dest)
+  source.copy(expected, 0, 2)
+  t.deepEqual(dest, expected)
+  t.end()
+})
+
+test('copy() ascending', function (t) {
+  var b = new B('abcdefghij')
+  b.copy(b, 0, 3, 10)
+  t.equal(b.toString(), 'defghijhij')
+  t.end()
+})
+
+test('copy() descending', function (t) {
+  var b = new B('abcdefghij')
+  b.copy(b, 3, 0, 7)
+  t.equal(b.toString(), 'abcabcdefg')
+  t.end()
+})
+
+test('buffer.slice sets indexes', function (t) {
+  t.equal((new B('hallo')).slice(0, 5).toString(), 'hallo')
+  t.end()
+})
+
+test('buffer.slice out of range', function (t) {
+  t.plan(2)
+  t.equal((new B('hallo')).slice(0, 10).toString(), 'hallo')
+  t.equal((new B('hallo')).slice(10, 2).toString(), '')
+  t.end()
+})
diff --git a/node_modules/buffer/test/node/test-buffer-alloc.js b/node_modules/buffer/test/node/test-buffer-alloc.js
new file mode 100644
index 00000000..b524f51e
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-alloc.js
@@ -0,0 +1,1501 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+var common = { skip: function () {} };
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+
+// counter to ensure unique value is always copied
+var cntr = 0;
+
+var b = Buffer.allocUnsafe(1024);
+
+// console.log('b.length == %d', b.length);
+assert.strictEqual(1024, b.length);
+
+b[0] = -1;
+assert.strictEqual(b[0], 255);
+
+for (var i = 0; i < 1024; i++) {
+  b[i] = i % 256;
+}
+
+for (var i = 0; i < 1024; i++) {
+  assert.strictEqual(i % 256, b[i]);
+}
+
+var c = Buffer.allocUnsafe(512);
+// console.log('c.length == %d', c.length);
+assert.strictEqual(512, c.length);
+
+var d = Buffer.from([]);
+assert.strictEqual(0, d.length);
+
+var ui32 = new Uint32Array(4).fill(42);
+var e = Buffer.from(ui32);
+for (var [index, value] of e.entries()) {
+  assert.strictEqual(value, ui32[index]);
+}
+
+// First check Buffer#fill() works as expected.
+
+assert.throws(function() {
+  Buffer.allocUnsafe(8).fill('a', -1);
+});
+
+assert.throws(function() {
+  Buffer.allocUnsafe(8).fill('a', 0, 9);
+});
+
+// Make sure this doesn't hang indefinitely.
+Buffer.allocUnsafe(8).fill('');
+Buffer.alloc(8, '');
+
+{
+  var buf = Buffer.alloc(64, 10);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(buf[i], 10);
+
+  buf.fill(11, 0, buf.length >> 1);
+  for (var i = 0; i < buf.length >> 1; i++)
+    assert.equal(buf[i], 11);
+  for (var i = (buf.length >> 1) + 1; i < buf.length; i++)
+    assert.equal(buf[i], 10);
+
+  buf.fill('h');
+  for (var i = 0; i < buf.length; i++)
+    assert.equal('h'.charCodeAt(0), buf[i]);
+
+  buf.fill(0);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+
+  buf.fill(null);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+
+  buf.fill(1, 16, 32);
+  for (var i = 0; i < 16; i++)
+    assert.equal(0, buf[i]);
+  for (var i = 16; i < 32; i++)
+    assert.equal(1, buf[i]);
+  for (var i = 32; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+}
+
+{
+  var buf = Buffer.alloc(10, 'abc');
+  assert.equal(buf.toString(), 'abcabcabca');
+  buf.fill('է');
+  assert.equal(buf.toString(), 'էէէէէ');
+}
+
+{
+  // copy 512 bytes, from 0 to 512.
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 512);
+//   console.log('copied %d bytes from b into c', copied);
+  assert.strictEqual(512, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy c into b, without specifying sourceEnd
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = c.copy(b, 0, 0);
+//   console.log('copied %d bytes from c into b w/o sourceEnd', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(c[i], b[i]);
+  }
+}
+
+{
+  // copy c into b, without specifying sourceStart
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = c.copy(b, 0);
+//   console.log('copied %d bytes from c into b w/o sourceStart', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(c[i], b[i]);
+  }
+}
+
+{
+  // copy longer buffer b to shorter c without targetStart
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c);
+//   console.log('copied %d bytes from b into c w/o targetStart', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy starting near end of b to c
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, b.length - Math.floor(c.length / 2));
+//   console.log('copied %d bytes from end of b into beginning of c', copied);
+  assert.strictEqual(Math.floor(c.length / 2), copied);
+  for (var i = 0; i < Math.floor(c.length / 2); i++) {
+    assert.strictEqual(b[b.length - Math.floor(c.length / 2) + i], c[i]);
+  }
+  for (var i = Math.floor(c.length / 2) + 1; i < c.length; i++) {
+    assert.strictEqual(c[c.length - 1], c[i]);
+  }
+}
+
+{
+  // try to copy 513 bytes, and check we don't overrun c
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 513);
+//   console.log('copied %d bytes from b trying to overrun c', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy 768 bytes from b into b
+  b.fill(++cntr);
+  b.fill(++cntr, 256);
+  var copied = b.copy(b, 0, 256, 1024);
+//   console.log('copied %d bytes from b into b', copied);
+  assert.strictEqual(768, copied);
+  for (var i = 0; i < b.length; i++) {
+    assert.strictEqual(cntr, b[i]);
+  }
+}
+
+// copy string longer than buffer length (failure will segfault)
+var bb = Buffer.allocUnsafe(10);
+bb.fill('hello crazy world');
+
+
+// try to copy from before the beginning of b
+assert.doesNotThrow(() => { b.copy(c, 0, 100, 10); });
+
+// copy throws at negative sourceStart
+assert.throws(function() {
+  Buffer.allocUnsafe(5).copy(Buffer.allocUnsafe(5), 0, -1);
+}, RangeError);
+
+{
+  // check sourceEnd resets to targetEnd if former is greater than the latter
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 1025);
+//   console.log('copied %d bytes from b into c', copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+// throw with negative sourceEnd
+// console.log('test copy at negative sourceEnd');
+assert.throws(function() {
+  b.copy(c, 0, 0, -1);
+}, RangeError);
+
+// when sourceStart is greater than sourceEnd, zero copied
+assert.equal(b.copy(c, 0, 100, 10), 0);
+
+// when targetStart > targetLength, zero copied
+assert.equal(b.copy(c, 512, 0, 10), 0);
+
+var caught_error;
+
+// invalid encoding for Buffer.toString
+caught_error = null;
+try {
+  b.toString('invalid');
+} catch (err) {
+  caught_error = err;
+}
+assert.strictEqual('Unknown encoding: invalid', caught_error.message);
+
+// invalid encoding for Buffer.write
+caught_error = null;
+try {
+  b.write('test string', 0, 5, 'invalid');
+} catch (err) {
+  caught_error = err;
+}
+assert.strictEqual('Unknown encoding: invalid', caught_error.message);
+
+// try to create 0-length buffers
+Buffer.from('');
+Buffer.from('', 'ascii');
+Buffer.from('', 'latin1');
+Buffer.alloc(0);
+Buffer.allocUnsafe(0);
+
+// try to write a 0-length string beyond the end of b
+assert.throws(function() {
+  b.write('', 2048);
+}, RangeError);
+
+// throw when writing to negative offset
+assert.throws(function() {
+  b.write('a', -1);
+}, RangeError);
+
+// throw when writing past bounds from the pool
+assert.throws(function() {
+  b.write('a', 2048);
+}, RangeError);
+
+// throw when writing to negative offset
+assert.throws(function() {
+  b.write('a', -1);
+}, RangeError);
+
+// try to copy 0 bytes worth of data into an empty buffer
+b.copy(Buffer.alloc(0), 0, 0, 0);
+
+// try to copy 0 bytes past the end of the target buffer
+b.copy(Buffer.alloc(0), 1, 1, 1);
+b.copy(Buffer.alloc(1), 1, 1, 1);
+
+// try to copy 0 bytes from past the end of the source buffer
+b.copy(Buffer.alloc(1), 0, 2048, 2048);
+
+var rangeBuffer = Buffer.from('abc');
+
+// if start >= buffer's length, empty string will be returned
+assert.equal(rangeBuffer.toString('ascii', 3), '');
+assert.equal(rangeBuffer.toString('ascii', +Infinity), '');
+assert.equal(rangeBuffer.toString('ascii', 3.14, 3), '');
+assert.equal(rangeBuffer.toString('ascii', 'Infinity', 3), '');
+
+// if end <= 0, empty string will be returned
+assert.equal(rangeBuffer.toString('ascii', 1, 0), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -1.2), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -100), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -Infinity), '');
+
+// if start < 0, start will be taken as zero
+assert.equal(rangeBuffer.toString('ascii', -1, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
+
+// if start is an invalid integer, start will be taken as zero
+assert.equal(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', {}, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', [], 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', NaN, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', null, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', undefined, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', false, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '', 3), 'abc');
+
+// but, if start is an integer when coerced, then it will be coerced and used.
+assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '1', 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '3', 3), '');
+assert.equal(rangeBuffer.toString('ascii', Number(3), 3), '');
+assert.equal(rangeBuffer.toString('ascii', '3.14', 3), '');
+assert.equal(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', true, 3), 'bc');
+
+// if end > buffer's length, end will be taken as buffer's length
+assert.equal(rangeBuffer.toString('ascii', 0, 5), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '5'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
+
+// if end is an invalid integer, end will be taken as buffer's length
+assert.equal(rangeBuffer.toString('ascii', 0, 'node.js'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, {}), '');
+assert.equal(rangeBuffer.toString('ascii', 0, NaN), '');
+assert.equal(rangeBuffer.toString('ascii', 0, undefined), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, null), '');
+assert.equal(rangeBuffer.toString('ascii', 0, []), '');
+assert.equal(rangeBuffer.toString('ascii', 0, false), '');
+assert.equal(rangeBuffer.toString('ascii', 0, ''), '');
+
+// but, if end is an integer when coerced, then it will be coerced and used.
+assert.equal(rangeBuffer.toString('ascii', 0, '-1'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, '1'), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, '3'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, '-1.99'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, 1.99), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, true), 'a');
+
+// try toString() with a object as a encoding
+assert.equal(rangeBuffer.toString({toString: function() {
+  return 'ascii';
+}}), 'abc');
+
+// testing for smart defaults and ability to pass string values as offset
+var writeTest = Buffer.from('abcdes');
+writeTest.write('n', 'ascii');
+writeTest.write('o', '1', 'ascii');
+writeTest.write('d', '2', 'ascii');
+writeTest.write('e', 3, 'ascii');
+writeTest.write('j', 4, 'ascii');
+assert.equal(writeTest.toString(), 'nodejs');
+
+// ASCII slice test
+{
+  var asciiString = 'hello world';
+
+  for (var i = 0; i < asciiString.length; i++) {
+    b[i] = asciiString.charCodeAt(i);
+  }
+  var asciiSlice = b.toString('ascii', 0, asciiString.length);
+  assert.equal(asciiString, asciiSlice);
+}
+
+{
+  var asciiString = 'hello world';
+  var offset = 100;
+
+  var written = b.write(asciiString, offset, 'ascii');
+  assert.equal(asciiString.length, written);
+  var asciiSlice = b.toString('ascii', offset, offset + asciiString.length);
+  assert.equal(asciiString, asciiSlice);
+}
+
+{
+  var asciiString = 'hello world';
+  var offset = 100;
+
+  var sliceA = b.slice(offset, offset + asciiString.length);
+  var sliceB = b.slice(offset, offset + asciiString.length);
+  for (var i = 0; i < asciiString.length; i++) {
+    assert.equal(sliceA[i], sliceB[i]);
+  }
+}
+
+// UTF-8 slice test
+
+var utf8String = '¡hέlló wôrld!';
+var offset = 100;
+
+b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
+var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
+assert.equal(utf8String, utf8Slice);
+
+var written = b.write(utf8String, offset, 'utf8');
+assert.equal(Buffer.byteLength(utf8String), written);
+utf8Slice = b.toString('utf8', offset, offset + Buffer.byteLength(utf8String));
+assert.equal(utf8String, utf8Slice);
+
+var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
+var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
+for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
+  assert.equal(sliceA[i], sliceB[i]);
+}
+
+{
+  var slice = b.slice(100, 150);
+  assert.equal(50, slice.length);
+  for (var i = 0; i < 50; i++) {
+    assert.equal(b[100 + i], slice[i]);
+  }
+}
+
+{
+  // make sure only top level parent propagates from allocPool
+  var b = Buffer.allocUnsafe(5);
+  var c = b.slice(0, 4);
+  var d = c.slice(0, 2);
+  assert.equal(b.parent, c.parent);
+  assert.equal(b.parent, d.parent);
+}
+
+{
+  // also from a non-pooled instance
+  var b = Buffer.allocUnsafeSlow(5);
+  var c = b.slice(0, 4);
+  var d = c.slice(0, 2);
+  assert.equal(c.parent, d.parent);
+}
+
+{
+  // Bug regression test
+  var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
+  var buffer = Buffer.allocUnsafe(32);
+  var size = buffer.write(testValue, 0, 'utf8');
+//   console.log('bytes written to buffer: ' + size);
+  var slice = buffer.toString('utf8', 0, size);
+  assert.equal(slice, testValue);
+}
+
+{
+  // Test triple  slice
+  var a = Buffer.allocUnsafe(8);
+  for (var i = 0; i < 8; i++) a[i] = i;
+  var b = a.slice(4, 8);
+  assert.equal(4, b[0]);
+  assert.equal(5, b[1]);
+  assert.equal(6, b[2]);
+  assert.equal(7, b[3]);
+  var c = b.slice(2, 4);
+  assert.equal(6, c[0]);
+  assert.equal(7, c[1]);
+}
+
+{
+  var d = Buffer.from([23, 42, 255]);
+  assert.equal(d.length, 3);
+  assert.equal(d[0], 23);
+  assert.equal(d[1], 42);
+  assert.equal(d[2], 255);
+  assert.deepStrictEqual(d, Buffer.from(d));
+}
+
+{
+  var e = Buffer.from('über');
+//   console.error('uber: \'%s\'', e.toString());
+  assert.deepStrictEqual(e, Buffer.from([195, 188, 98, 101, 114]));
+}
+
+{
+  var f = Buffer.from('über', 'ascii');
+//   console.error('f.length: %d     (should be 4)', f.length);
+  assert.deepStrictEqual(f, Buffer.from([252, 98, 101, 114]));
+}
+
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  {
+    var f = Buffer.from('über', encoding);
+//     console.error('f.length: %d     (should be 8)', f.length);
+    assert.deepStrictEqual(f, Buffer.from([252, 0, 98, 0, 101, 0, 114, 0]));
+  }
+
+  {
+    var f = Buffer.from('привет', encoding);
+//     console.error('f.length: %d     (should be 12)', f.length);
+    assert.deepStrictEqual(f,
+      Buffer.from([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]));
+    assert.equal(f.toString(encoding), 'привет');
+  }
+
+  {
+    var f = Buffer.from([0, 0, 0, 0, 0]);
+    assert.equal(f.length, 5);
+    var size = f.write('あいうえお', encoding);
+//     console.error('bytes written to buffer: %d     (should be 4)', size);
+    assert.equal(size, 4);
+    assert.deepStrictEqual(f, Buffer.from([0x42, 0x30, 0x44, 0x30, 0x00]));
+  }
+});
+
+{
+  var f = Buffer.from('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D)
+  assert.equal(f.length, 4);
+  assert.deepStrictEqual(f, Buffer.from('3DD84DDC', 'hex'));
+}
+
+
+var arrayIsh = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
+var g = Buffer.from(arrayIsh);
+assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
+var strArrayIsh = {0: '0', 1: '1', 2: '2', 3: '3', length: 4};
+g = Buffer.from(strArrayIsh);
+assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
+
+
+//
+// Test toString('base64')
+//
+assert.equal('TWFu', (Buffer.from('Man')).toString('base64'));
+
+{
+  // test that regular and URL-safe base64 both work
+  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
+  assert.deepStrictEqual(Buffer.from('//++/++/++//', 'base64'),
+                         Buffer.from(expected));
+  assert.deepStrictEqual(Buffer.from('__--_--_--__', 'base64'),
+                         Buffer.from(expected));
+}
+
+{
+  // big example
+  var quote = 'Man is distinguished, not only by his reason, but by this ' +
+                'singular passion from other animals, which is a lust ' +
+                'of the mind, that by a perseverance of delight in the ' +
+                'continued and indefatigable generation of knowledge, ' +
+                'exceeds the short vehemence of any carnal pleasure.';
+  var expected = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb' +
+                   '24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlci' +
+                   'BhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQ' +
+                   'gYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu' +
+                   'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
+                   'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
+                   '5hbCBwbGVhc3VyZS4=';
+  assert.equal(expected, (Buffer.from(quote)).toString('base64'));
+
+  var b = Buffer.allocUnsafe(1024);
+  var bytesWritten = b.write(expected, 0, 'base64');
+  assert.equal(quote.length, bytesWritten);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder ignores whitespace
+  var expectedWhite = expected.slice(0, 60) + ' \n' +
+                        expected.slice(60, 120) + ' \n' +
+                        expected.slice(120, 180) + ' \n' +
+                        expected.slice(180, 240) + ' \n' +
+                        expected.slice(240, 300) + '\n' +
+                        expected.slice(300, 360) + '\n';
+  b = Buffer.allocUnsafe(1024);
+  bytesWritten = b.write(expectedWhite, 0, 'base64');
+  assert.equal(quote.length, bytesWritten);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder on the constructor works
+  // even in the presence of whitespace.
+  b = Buffer.from(expectedWhite, 'base64');
+  assert.equal(quote.length, b.length);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder ignores illegal chars
+  var expectedIllegal = expected.slice(0, 60) + ' \x80' +
+                          expected.slice(60, 120) + ' \xff' +
+                          expected.slice(120, 180) + ' \x00' +
+                          expected.slice(180, 240) + ' \x98' +
+                          expected.slice(240, 300) + '\x03' +
+                          expected.slice(300, 360);
+  b = Buffer.from(expectedIllegal, 'base64');
+  assert.equal(quote.length, b.length);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+}
+
+assert.equal(Buffer.from('', 'base64').toString(), '');
+assert.equal(Buffer.from('K', 'base64').toString(), '');
+
+// multiple-of-4 with padding
+assert.equal(Buffer.from('Kg==', 'base64').toString(), '*');
+assert.equal(Buffer.from('Kio=', 'base64').toString(), '**');
+assert.equal(Buffer.from('Kioq', 'base64').toString(), '***');
+assert.equal(Buffer.from('KioqKg==', 'base64').toString(), '****');
+assert.equal(Buffer.from('KioqKio=', 'base64').toString(), '*****');
+assert.equal(Buffer.from('KioqKioq', 'base64').toString(), '******');
+assert.equal(Buffer.from('KioqKioqKg==', 'base64').toString(), '*******');
+assert.equal(Buffer.from('KioqKioqKio=', 'base64').toString(), '********');
+assert.equal(Buffer.from('KioqKioqKioq', 'base64').toString(), '*********');
+assert.equal(Buffer.from('KioqKioqKioqKg==', 'base64').toString(),
+             '**********');
+assert.equal(Buffer.from('KioqKioqKioqKio=', 'base64').toString(),
+             '***********');
+assert.equal(Buffer.from('KioqKioqKioqKioq', 'base64').toString(),
+             '************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKg==', 'base64').toString(),
+             '*************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKio=', 'base64').toString(),
+             '**************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioq', 'base64').toString(),
+             '***************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
+             '****************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
+             '*****************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
+             '******************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg==', 'base64').toString(),
+             '*******************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio=', 'base64').toString(),
+             '********************');
+
+// no padding, not a multiple of 4
+assert.equal(Buffer.from('Kg', 'base64').toString(), '*');
+assert.equal(Buffer.from('Kio', 'base64').toString(), '**');
+assert.equal(Buffer.from('KioqKg', 'base64').toString(), '****');
+assert.equal(Buffer.from('KioqKio', 'base64').toString(), '*****');
+assert.equal(Buffer.from('KioqKioqKg', 'base64').toString(), '*******');
+assert.equal(Buffer.from('KioqKioqKio', 'base64').toString(), '********');
+assert.equal(Buffer.from('KioqKioqKioqKg', 'base64').toString(), '**********');
+assert.equal(Buffer.from('KioqKioqKioqKio', 'base64').toString(),
+             '***********');
+assert.equal(Buffer.from('KioqKioqKioqKioqKg', 'base64').toString(),
+             '*************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKio', 'base64').toString(),
+             '**************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg', 'base64').toString(),
+             '****************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio', 'base64').toString(),
+             '*****************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg', 'base64').toString(),
+             '*******************');
+assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio', 'base64').toString(),
+             '********************');
+
+// handle padding graciously, multiple-of-4 or not
+assert.equal(
+  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
+  32
+);
+assert.equal(
+  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
+  32
+);
+assert.equal(
+  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
+  32
+);
+assert.equal(
+  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
+  31
+);
+assert.equal(
+  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
+  31
+);
+assert.equal(
+  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
+  31
+);
+
+// This string encodes single '.' character in UTF-16
+var dot = Buffer.from('//4uAA==', 'base64');
+assert.equal(dot[0], 0xff);
+assert.equal(dot[1], 0xfe);
+assert.equal(dot[2], 0x2e);
+assert.equal(dot[3], 0x00);
+assert.equal(dot.toString('base64'), '//4uAA==');
+
+{
+  // Writing base64 at a position > 0 should not mangle the result.
+  //
+  // https://github.com/joyent/node/issues/402
+  var segments = ['TWFkbmVzcz8h', 'IFRoaXM=', 'IGlz', 'IG5vZGUuanMh'];
+  var b = Buffer.allocUnsafe(64);
+  var pos = 0;
+
+  for (var i = 0; i < segments.length; ++i) {
+    pos += b.write(segments[i], pos, 'base64');
+  }
+  assert.equal(b.toString('latin1', 0, pos), 'Madness?! This is node.js!');
+}
+
+// Regression test for https://github.com/nodejs/node/issues/3496.
+// assert.equal(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0);
+
+{
+  // Creating buffers larger than pool size.
+  var l = Buffer.poolSize + 5;
+  var s = '';
+  for (var i = 0; i < l; i++) {
+    s += 'h';
+  }
+
+  var b = Buffer.from(s);
+
+  for (var i = 0; i < l; i++) {
+    assert.equal('h'.charCodeAt(0), b[i]);
+  }
+
+  var sb = b.toString();
+  assert.equal(sb.length, s.length);
+  assert.equal(sb, s);
+}
+
+{
+  // Single argument slice
+  var b = Buffer.from('abcde');
+  assert.equal('bcde', b.slice(1).toString());
+}
+
+// slice(0,0).length === 0
+assert.equal(0, Buffer.from('hello').slice(0, 0).length);
+
+// test hex toString
+// console.log('Create hex string from buffer');
+var hexb = Buffer.allocUnsafe(256);
+for (var i = 0; i < 256; i++) {
+  hexb[i] = i;
+}
+var hexStr = hexb.toString('hex');
+assert.equal(hexStr,
+             '000102030405060708090a0b0c0d0e0f' +
+             '101112131415161718191a1b1c1d1e1f' +
+             '202122232425262728292a2b2c2d2e2f' +
+             '303132333435363738393a3b3c3d3e3f' +
+             '404142434445464748494a4b4c4d4e4f' +
+             '505152535455565758595a5b5c5d5e5f' +
+             '606162636465666768696a6b6c6d6e6f' +
+             '707172737475767778797a7b7c7d7e7f' +
+             '808182838485868788898a8b8c8d8e8f' +
+             '909192939495969798999a9b9c9d9e9f' +
+             'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
+             'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
+             'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
+             'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
+             'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
+             'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
+
+// console.log('Create buffer from hex string');
+var hexb2 = Buffer.from(hexStr, 'hex');
+for (var i = 0; i < 256; i++) {
+  assert.equal(hexb2[i], hexb[i]);
+}
+
+{
+  // test an invalid slice end.
+//   console.log('Try to slice off the end of the buffer');
+  var b = Buffer.from([1, 2, 3, 4, 5]);
+  var b2 = b.toString('hex', 1, 10000);
+  var b3 = b.toString('hex', 1, 5);
+  var b4 = b.toString('hex', 1);
+  assert.equal(b2, b3);
+  assert.equal(b2, b4);
+}
+
+function buildBuffer(data) {
+  if (Array.isArray(data)) {
+    var buffer = Buffer.allocUnsafe(data.length);
+    data.forEach(function(v, k) {
+      buffer[k] = v;
+    });
+    return buffer;
+  }
+  return null;
+}
+
+var x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);
+
+// console.log(x.inspect());
+assert.equal('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
+
+{
+  var z = x.slice(4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(5, z.length);
+  assert.equal(0x6f, z[0]);
+  assert.equal(0xa3, z[1]);
+  assert.equal(0x62, z[2]);
+  assert.equal(0x61, z[3]);
+  assert.equal(0x72, z[4]);
+}
+
+{
+  var z = x.slice(0);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(z.length, x.length);
+}
+
+{
+  var z = x.slice(0, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(4, z.length);
+  assert.equal(0x81, z[0]);
+  assert.equal(0xa3, z[1]);
+}
+
+{
+  var z = x.slice(0, 9);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(9, z.length);
+}
+
+{
+  var z = x.slice(1, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(3, z.length);
+  assert.equal(0xa3, z[0]);
+}
+
+{
+  var z = x.slice(2, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(2, z.length);
+  assert.equal(0x66, z[0]);
+  assert.equal(0x6f, z[1]);
+}
+
+assert.equal(0, Buffer.from('hello').slice(0, 0).length);
+
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  var b = Buffer.allocUnsafe(10);
+  b.write('あいうえお', encoding);
+  assert.equal(b.toString(encoding), 'あいうえお');
+});
+
+{
+  // Binary encoding should write only one byte per character.
+  var b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
+  var s = String.fromCharCode(0xffff);
+  b.write(s, 0, 'latin1');
+  assert.equal(0xff, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+  s = String.fromCharCode(0xaaee);
+  b.write(s, 0, 'latin1');
+  assert.equal(0xee, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+}
+
+{
+  // #1210 Test UTF-8 string includes null character
+  var buf = Buffer.from('\0');
+  assert.equal(buf.length, 1);
+  buf = Buffer.from('\0\0');
+  assert.equal(buf.length, 2);
+}
+
+{
+  var buf = Buffer.allocUnsafe(2);
+  var written = buf.write(''); // 0byte
+  assert.equal(written, 0);
+  written = buf.write('\0'); // 1byte (v8 adds null terminator)
+  assert.equal(written, 1);
+  written = buf.write('a\0'); // 1byte * 2
+  assert.equal(written, 2);
+  written = buf.write('あ'); // 3bytes
+  assert.equal(written, 0);
+  written = buf.write('\0あ'); // 1byte + 3bytes
+  assert.equal(written, 1);
+  written = buf.write('\0\0あ'); // 1byte * 2 + 3bytes
+  assert.equal(written, 2);
+}
+
+{
+  var buf = Buffer.allocUnsafe(10);
+  written = buf.write('あいう'); // 3bytes * 3 (v8 adds null terminator)
+  assert.equal(written, 9);
+  written = buf.write('あいう\0'); // 3bytes * 3 + 1byte
+  assert.equal(written, 10);
+}
+
+{
+  // #243 Test write() with maxLength
+  var buf = Buffer.allocUnsafe(4);
+  buf.fill(0xFF);
+  var written = buf.write('abcd', 1, 2, 'utf8');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0xFF);
+
+  buf.fill(0xFF);
+  written = buf.write('abcd', 1, 4);
+//   console.log(buf);
+  assert.equal(written, 3);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0x63);
+
+  buf.fill(0xFF);
+  written = buf.write('abcd', 1, 2, 'utf8');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0xFF);
+
+  buf.fill(0xFF);
+  written = buf.write('abcdef', 1, 2, 'hex');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0xAB);
+  assert.equal(buf[2], 0xCD);
+  assert.equal(buf[3], 0xFF);
+
+  ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+    buf.fill(0xFF);
+    written = buf.write('abcd', 0, 2, encoding);
+//     console.log(buf);
+    assert.equal(written, 2);
+    assert.equal(buf[0], 0x61);
+    assert.equal(buf[1], 0x00);
+    assert.equal(buf[2], 0xFF);
+    assert.equal(buf[3], 0xFF);
+  });
+}
+
+{
+  // test offset returns are correct
+  var b = Buffer.allocUnsafe(16);
+  assert.equal(4, b.writeUInt32LE(0, 0));
+  assert.equal(6, b.writeUInt16LE(0, 4));
+  assert.equal(7, b.writeUInt8(0, 6));
+  assert.equal(8, b.writeInt8(0, 7));
+  assert.equal(16, b.writeDoubleLE(0, 8));
+}
+
+{
+  // test unmatched surrogates not producing invalid utf8 output
+  // ef bf bd = utf-8 representation of unicode replacement character
+  // see https://codereview.chromium.org/121173009/
+  var buf = Buffer.from('ab\ud800cd', 'utf8');
+  assert.equal(buf[0], 0x61);
+  assert.equal(buf[1], 0x62);
+  assert.equal(buf[2], 0xef);
+  assert.equal(buf[3], 0xbf);
+  assert.equal(buf[4], 0xbd);
+  assert.equal(buf[5], 0x63);
+  assert.equal(buf[6], 0x64);
+}
+
+{
+  // test for buffer overrun
+  var buf = Buffer.from([0, 0, 0, 0, 0]); // length: 5
+  var sub = buf.slice(0, 4);         // length: 4
+  written = sub.write('12345', 'latin1');
+  assert.equal(written, 4);
+  assert.equal(buf[4], 0);
+}
+
+// Check for fractional length args, junk length args, etc.
+// https://github.com/joyent/node/issues/1758
+
+// Call .fill() first, stops valgrind warning about uninitialized memory reads.
+Buffer.allocUnsafe(3.3).fill().toString();
+  // throws bad argument error in commit 43cb4ec
+Buffer.alloc(3.3).fill().toString();
+assert.equal(Buffer.allocUnsafe(NaN).length, 0);
+assert.equal(Buffer.allocUnsafe(3.3).length, 3);
+assert.equal(Buffer.from({length: 3.3}).length, 3);
+assert.equal(Buffer.from({length: 'BAM'}).length, 0);
+
+// Make sure that strings are not coerced to numbers.
+assert.equal(Buffer.from('99').length, 2);
+assert.equal(Buffer.from('13.37').length, 5);
+
+// Ensure that the length argument is respected.
+'ascii utf8 hex base64 latin1'.split(' ').forEach(function(enc) {
+  assert.equal(Buffer.allocUnsafe(1).write('aaaaaa', 0, 1, enc), 1);
+});
+
+{
+  // Regression test, guard against buffer overrun in the base64 decoder.
+  var a = Buffer.allocUnsafe(3);
+  var b = Buffer.from('xxx');
+  a.write('aaaaaaaa', 'base64');
+  assert.equal(b.toString(), 'xxx');
+}
+
+// issue GH-3416
+Buffer.from(Buffer.allocUnsafe(0), 0, 0);
+
+[ 'hex',
+  'utf8',
+  'utf-8',
+  'ascii',
+  'latin1',
+  'binary',
+  'base64',
+  'ucs2',
+  'ucs-2',
+  'utf16le',
+  'utf-16le' ].forEach(function(enc) {
+    assert.equal(Buffer.isEncoding(enc), true);
+  });
+
+[ 'utf9',
+  'utf-7',
+  'Unicode-FTW',
+  'new gnu gun',
+  false,
+  NaN,
+  {},
+  Infinity,
+  [],
+  1,
+  0,
+  -1 ].forEach(function(enc) {
+    assert.equal(Buffer.isEncoding(enc), false);
+  });
+
+
+// GH-5110
+{
+  var buffer = Buffer.from('test');
+  var string = JSON.stringify(buffer);
+
+  assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
+
+  assert.deepStrictEqual(buffer, JSON.parse(string, function(key, value) {
+    return value && value.type === 'Buffer'
+      ? Buffer.from(value.data)
+      : value;
+  }));
+}
+
+// issue GH-7849
+{
+  var buf = Buffer.from('test');
+  var json = JSON.stringify(buf);
+  var obj = JSON.parse(json);
+  var copy = Buffer.from(obj);
+
+  assert(buf.equals(copy));
+}
+
+// issue GH-4331
+assert.throws(function() {
+  Buffer.allocUnsafe(0xFFFFFFFF);
+}, RangeError);
+assert.throws(function() {
+  Buffer.allocUnsafe(0xFFFFFFFFF);
+}, RangeError);
+
+
+// attempt to overflow buffers, similar to previous bug in array buffers
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.readFloatLE(0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.writeFloatLE(0.0, 0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.readFloatLE(0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.writeFloatLE(0.0, 0xffffffff);
+}, RangeError);
+
+
+// ensure negative values can't get past offset
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.readFloatLE(-1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.writeFloatLE(0.0, -1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.readFloatLE(-1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer.allocUnsafe(8);
+  buf.writeFloatLE(0.0, -1);
+}, RangeError);
+
+// offset checks
+{
+  var buf = Buffer.allocUnsafe(0);
+
+  assert.throws(function() { buf.readUInt8(0); }, RangeError);
+  assert.throws(function() { buf.readInt8(0); }, RangeError);
+}
+
+{
+  var buf = Buffer.from([0xFF]);
+
+  assert.equal(buf.readUInt8(0), 255);
+  assert.equal(buf.readInt8(0), -1);
+}
+
+[16, 32].forEach(function(bits) {
+  var buf = Buffer.allocUnsafe(bits / 8 - 1);
+
+  assert.throws(function() { buf['readUInt' + bits + 'BE'](0); },
+                RangeError,
+                'readUInt' + bits + 'BE');
+
+  assert.throws(function() { buf['readUInt' + bits + 'LE'](0); },
+                RangeError,
+                'readUInt' + bits + 'LE');
+
+  assert.throws(function() { buf['readInt' + bits + 'BE'](0); },
+                RangeError,
+                'readInt' + bits + 'BE()');
+
+  assert.throws(function() { buf['readInt' + bits + 'LE'](0); },
+                RangeError,
+                'readInt' + bits + 'LE()');
+});
+
+[16, 32].forEach(function(bits) {
+  var buf = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF]);
+
+  assert.equal(buf['readUInt' + bits + 'BE'](0),
+                (0xFFFFFFFF >>> (32 - bits)));
+
+  assert.equal(buf['readUInt' + bits + 'LE'](0),
+                (0xFFFFFFFF >>> (32 - bits)));
+
+  assert.equal(buf['readInt' + bits + 'BE'](0),
+                (0xFFFFFFFF >> (32 - bits)));
+
+  assert.equal(buf['readInt' + bits + 'LE'](0),
+                (0xFFFFFFFF >> (32 - bits)));
+});
+
+// test for common read(U)IntLE/BE
+{
+  var buf = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06]);
+
+  assert.strictEqual(buf.readUIntLE(0, 1), 0x01);
+  assert.strictEqual(buf.readUIntBE(0, 1), 0x01);
+  assert.strictEqual(buf.readUIntLE(0, 3), 0x030201);
+  assert.strictEqual(buf.readUIntBE(0, 3), 0x010203);
+  assert.strictEqual(buf.readUIntLE(0, 5), 0x0504030201);
+  assert.strictEqual(buf.readUIntBE(0, 5), 0x0102030405);
+  assert.strictEqual(buf.readUIntLE(0, 6), 0x060504030201);
+  assert.strictEqual(buf.readUIntBE(0, 6), 0x010203040506);
+  assert.strictEqual(buf.readIntLE(0, 1), 0x01);
+  assert.strictEqual(buf.readIntBE(0, 1), 0x01);
+  assert.strictEqual(buf.readIntLE(0, 3), 0x030201);
+  assert.strictEqual(buf.readIntBE(0, 3), 0x010203);
+  assert.strictEqual(buf.readIntLE(0, 5), 0x0504030201);
+  assert.strictEqual(buf.readIntBE(0, 5), 0x0102030405);
+  assert.strictEqual(buf.readIntLE(0, 6), 0x060504030201);
+  assert.strictEqual(buf.readIntBE(0, 6), 0x010203040506);
+}
+
+// test for common write(U)IntLE/BE
+{
+  var buf = Buffer.allocUnsafe(3);
+  buf.writeUIntLE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
+  assert.equal(buf.readUIntLE(0, 3), 0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeUIntBE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
+  assert.equal(buf.readUIntBE(0, 3), 0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntLE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
+  assert.equal(buf.readIntLE(0, 3), 0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntBE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
+  assert.equal(buf.readIntBE(0, 3), 0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntLE(-0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]);
+  assert.equal(buf.readIntLE(0, 3), -0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntBE(-0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]);
+  assert.equal(buf.readIntBE(0, 3), -0x123456);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntLE(-0x123400, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]);
+  assert.equal(buf.readIntLE(0, 3), -0x123400);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntBE(-0x123400, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]);
+  assert.equal(buf.readIntBE(0, 3), -0x123400);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntLE(-0x120000, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]);
+  assert.equal(buf.readIntLE(0, 3), -0x120000);
+
+  buf = Buffer.allocUnsafe(3);
+  buf.writeIntBE(-0x120000, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]);
+  assert.equal(buf.readIntBE(0, 3), -0x120000);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeUIntLE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
+  assert.equal(buf.readUIntLE(0, 5), 0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeUIntBE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
+  assert.equal(buf.readUIntBE(0, 5), 0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntLE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
+  assert.equal(buf.readIntLE(0, 5), 0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntBE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
+  assert.equal(buf.readIntBE(0, 5), 0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntLE(-0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]);
+  assert.equal(buf.readIntLE(0, 5), -0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntBE(-0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]);
+  assert.equal(buf.readIntBE(0, 5), -0x1234567890);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntLE(-0x0012000000, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]);
+  assert.equal(buf.readIntLE(0, 5), -0x0012000000);
+
+  buf = Buffer.allocUnsafe(5);
+  buf.writeIntBE(-0x0012000000, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]);
+  assert.equal(buf.readIntBE(0, 5), -0x0012000000);
+}
+
+// test Buffer slice
+{
+  var buf = Buffer.from('0123456789');
+  assert.equal(buf.slice(-10, 10), '0123456789');
+  assert.equal(buf.slice(-20, 10), '0123456789');
+  assert.equal(buf.slice(-20, -10), '');
+  assert.equal(buf.slice(), '0123456789');
+  assert.equal(buf.slice(0), '0123456789');
+  assert.equal(buf.slice(0, 0), '');
+  assert.equal(buf.slice(undefined), '0123456789');
+  assert.equal(buf.slice('foobar'), '0123456789');
+  assert.equal(buf.slice(undefined, undefined), '0123456789');
+
+  assert.equal(buf.slice(2), '23456789');
+  assert.equal(buf.slice(5), '56789');
+  assert.equal(buf.slice(10), '');
+  assert.equal(buf.slice(5, 8), '567');
+  assert.equal(buf.slice(8, -1), '8');
+  assert.equal(buf.slice(-10), '0123456789');
+  assert.equal(buf.slice(0, -9), '0');
+  assert.equal(buf.slice(0, -10), '');
+  assert.equal(buf.slice(0, -1), '012345678');
+  assert.equal(buf.slice(2, -2), '234567');
+  assert.equal(buf.slice(0, 65536), '0123456789');
+  assert.equal(buf.slice(65536, 0), '');
+  assert.equal(buf.slice(-5, -8), '');
+  assert.equal(buf.slice(-5, -3), '56');
+  assert.equal(buf.slice(-10, 10), '0123456789');
+  for (var i = 0, s = buf.toString(); i < buf.length; ++i) {
+    assert.equal(buf.slice(i), s.slice(i));
+    assert.equal(buf.slice(0, i), s.slice(0, i));
+    assert.equal(buf.slice(-i), s.slice(-i));
+    assert.equal(buf.slice(0, -i), s.slice(0, -i));
+  }
+
+  var utf16Buf = Buffer.from('0123456789', 'utf16le');
+  // assert.deepStrictEqual(utf16Buf.slice(0, 6), Buffer.from('012', 'utf16le'));
+
+  assert.equal(buf.slice('0', '1'), '0');
+  assert.equal(buf.slice('-5', '10'), '56789');
+  assert.equal(buf.slice('-10', '10'), '0123456789');
+  assert.equal(buf.slice('-10', '-5'), '01234');
+  assert.equal(buf.slice('-10', '-0'), '');
+  assert.equal(buf.slice('111'), '');
+  assert.equal(buf.slice('0', '-111'), '');
+
+  // try to slice a zero length Buffer
+  // see https://github.com/joyent/node/issues/5881
+  Buffer.alloc(0).slice(0, 1);
+}
+
+// Regression test for #5482: should throw but not assert in C++ land.
+assert.throws(function() {
+  Buffer.from('', 'buffer');
+}, TypeError);
+
+// Regression test for #6111. Constructing a buffer from another buffer
+// should a) work, and b) not corrupt the source buffer.
+{
+  var a = [0];
+  for (var i = 0; i < 7; ++i) a = a.concat(a);
+  a = a.map(function(_, i) { return i; });
+  var b = Buffer.from(a);
+  var c = Buffer.from(b);
+  assert.strictEqual(b.length, a.length);
+  assert.strictEqual(c.length, a.length);
+  for (var i = 0, k = a.length; i < k; ++i) {
+    assert.strictEqual(a[i], i);
+    assert.strictEqual(b[i], i);
+    assert.strictEqual(c[i], i);
+  }
+}
+
+
+assert.throws(function() {
+  Buffer.allocUnsafe((-1 >>> 0) + 1);
+}, RangeError);
+
+assert.throws(function() {
+  Buffer.allocUnsafeSlow((-1 >>> 0) + 1);
+}, RangeError);
+
+if (common.hasCrypto) {
+  // Test truncation after decode
+  var crypto = require('crypto');
+
+  var b1 = Buffer.from('YW55=======', 'base64');
+  var b2 = Buffer.from('YW55', 'base64');
+
+  assert.equal(
+    crypto.createHash('sha1').update(b1).digest('hex'),
+    crypto.createHash('sha1').update(b2).digest('hex')
+  );
+} else {
+  common.skip('missing crypto');
+}
+
+// Test Compare
+{
+  var b = Buffer.alloc(1, 'a');
+  var c = Buffer.alloc(1, 'c');
+  var d = Buffer.alloc(2, 'aa');
+
+  assert.equal(b.compare(c), -1);
+  assert.equal(c.compare(d), 1);
+  assert.equal(d.compare(b), 1);
+  assert.equal(b.compare(d), -1);
+  assert.equal(b.compare(b), 0);
+
+  assert.equal(Buffer.compare(b, c), -1);
+  assert.equal(Buffer.compare(c, d), 1);
+  assert.equal(Buffer.compare(d, b), 1);
+  assert.equal(Buffer.compare(b, d), -1);
+  assert.equal(Buffer.compare(c, c), 0);
+
+  assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
+  assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
+  assert.equal(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
+}
+
+assert.throws(function() {
+  var b = Buffer.allocUnsafe(1);
+  Buffer.compare(b, 'abc');
+});
+
+assert.throws(function() {
+  var b = Buffer.allocUnsafe(1);
+  Buffer.compare('abc', b);
+});
+
+assert.throws(function() {
+  var b = Buffer.allocUnsafe(1);
+  b.compare('abc');
+});
+
+// Test Equals
+{
+  var b = Buffer.alloc(5, 'abcdf');
+  var c = Buffer.alloc(5, 'abcdf');
+  var d = Buffer.alloc(5, 'abcde');
+  var e = Buffer.alloc(6, 'abcdef');
+
+  assert.ok(b.equals(c));
+  assert.ok(!c.equals(d));
+  assert.ok(!d.equals(e));
+  assert.ok(d.equals(d));
+}
+
+assert.throws(function() {
+  var b = Buffer.allocUnsafe(1);
+  b.equals('abc');
+});
+
+// Regression test for https://github.com/nodejs/node/issues/649.
+assert.throws(() => { Buffer.allocUnsafe(1422561062959).toString('utf8');});
+
+var ps = Buffer.poolSize;
+Buffer.poolSize = 0;
+assert.equal(Buffer.allocUnsafe(1).parent, undefined);
+Buffer.poolSize = ps;
+
+// Test Buffer.copy() segfault
+assert.throws(function() {
+  Buffer.allocUnsafe(10).copy();
+});
+
+var regErrorMsg = new RegExp('First argument must be a string, Buffer, ' +
+                               'ArrayBuffer, Array, or array-like object.');
+
+assert.throws(function() {
+  Buffer.from();
+}, regErrorMsg);
+
+assert.throws(function() {
+  Buffer.from(null);
+}, regErrorMsg);
+
+
+// Test that ParseArrayIndex handles full uint32
+assert.throws(function() {
+  Buffer.from(new ArrayBuffer(0), -1 >>> 0);
+}, /RangeError: 'offset' is out of bounds/);
+
+// ParseArrayIndex() should reject values that don't fit in a 32 bits size_t.
+assert.throws(() => {
+  var a = Buffer(1).fill(0);
+  var b = Buffer(1).fill(0);
+  a.copy(b, 0, 0x100000000, 0x100000001);
+}), /out of range index/;
+
+// Unpooled buffer (replaces SlowBuffer)
+var ubuf = Buffer.allocUnsafeSlow(10);
+assert(ubuf);
+assert(ubuf.buffer);
+assert.equal(ubuf.buffer.byteLength, 10);
+
+// Regression test
+assert.doesNotThrow(() => {
+  Buffer.from(new ArrayBuffer());
+});
+
+assert.throws(() => Buffer.alloc(-Buffer.poolSize),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer.alloc(-100),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer.allocUnsafe(-Buffer.poolSize),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer.allocUnsafe(-100),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer.allocUnsafeSlow(-Buffer.poolSize),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer.allocUnsafeSlow(-100),
+              '"size" argument must not be negative');
+
+assert.throws(() => Buffer.alloc({ valueOf: () => 1 }),
+              /"size" argument must be a number/);
+assert.throws(() => Buffer.alloc({ valueOf: () => -1 }),
+              /"size" argument must be a number/);
+
diff --git a/node_modules/buffer/test/node/test-buffer-arraybuffer.js b/node_modules/buffer/test/node/test-buffer-arraybuffer.js
new file mode 100644
index 00000000..a418752b
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-arraybuffer.js
@@ -0,0 +1,112 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+var LENGTH = 16;
+
+var ab = new ArrayBuffer(LENGTH);
+var dv = new DataView(ab);
+var ui = new Uint8Array(ab);
+var buf = Buffer.from(ab);
+
+
+assert.ok(buf instanceof Buffer);
+// For backwards compatibility of old .parent property test that if buf is not
+// a slice then .parent should be undefined.
+assert.equal(buf.parent, undefined);
+assert.equal(buf.buffer, ab);
+assert.equal(buf.length, ab.byteLength);
+
+
+buf.fill(0xC);
+for (var i = 0; i < LENGTH; i++) {
+  assert.equal(ui[i], 0xC);
+  ui[i] = 0xF;
+  assert.equal(buf[i], 0xF);
+}
+
+buf.writeUInt32LE(0xF00, 0);
+buf.writeUInt32BE(0xB47, 4);
+buf.writeDoubleLE(3.1415, 8);
+
+assert.equal(dv.getUint32(0, true), 0xF00);
+assert.equal(dv.getUint32(4), 0xB47);
+assert.equal(dv.getFloat64(8, true), 3.1415);
+
+
+// Now test protecting users from doing stupid things
+
+assert.throws(function() {
+  function AB() { }
+  Object.setPrototypeOf(AB, ArrayBuffer);
+  Object.setPrototypeOf(AB.prototype, ArrayBuffer.prototype);
+  Buffer.from(new AB());
+}, TypeError);
+
+// write{Double,Float}{LE,BE} with noAssert should not crash, cf. #3766
+var b = Buffer.allocUnsafe(1);
+b.writeFloatLE(11.11, 0, true);
+b.writeFloatBE(11.11, 0, true);
+b.writeDoubleLE(11.11, 0, true);
+b.writeDoubleBE(11.11, 0, true);
+
+// Test the byteOffset and length arguments
+{
+  var ab = new Uint8Array(5);
+  ab[0] = 1;
+  ab[1] = 2;
+  ab[2] = 3;
+  ab[3] = 4;
+  ab[4] = 5;
+  var buf = Buffer.from(ab.buffer, 1, 3);
+  assert.equal(buf.length, 3);
+  assert.equal(buf[0], 2);
+  assert.equal(buf[1], 3);
+  assert.equal(buf[2], 4);
+  buf[0] = 9;
+  assert.equal(ab[1], 9);
+
+  assert.throws(() => Buffer.from(ab.buffer, 6), (err) => {
+    assert(err instanceof RangeError);
+    assert(/'offset' is out of bounds/.test(err.message));
+    return true;
+  });
+  assert.throws(() => Buffer.from(ab.buffer, 3, 6), (err) => {
+    assert(err instanceof RangeError);
+    assert(/'length' is out of bounds/.test(err.message));
+    return true;
+  });
+}
+
+// Test the deprecated Buffer() version also
+{
+  var ab = new Uint8Array(5);
+  ab[0] = 1;
+  ab[1] = 2;
+  ab[2] = 3;
+  ab[3] = 4;
+  ab[4] = 5;
+  var buf = Buffer(ab.buffer, 1, 3);
+  assert.equal(buf.length, 3);
+  assert.equal(buf[0], 2);
+  assert.equal(buf[1], 3);
+  assert.equal(buf[2], 4);
+  buf[0] = 9;
+  assert.equal(ab[1], 9);
+
+  assert.throws(() => Buffer(ab.buffer, 6), (err) => {
+    assert(err instanceof RangeError);
+    assert(/'offset' is out of bounds/.test(err.message));
+    return true;
+  });
+  assert.throws(() => Buffer(ab.buffer, 3, 6), (err) => {
+    assert(err instanceof RangeError);
+    assert(/'length' is out of bounds/.test(err.message));
+    return true;
+  });
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-ascii.js b/node_modules/buffer/test/node/test-buffer-ascii.js
new file mode 100644
index 00000000..4a06098a
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-ascii.js
@@ -0,0 +1,28 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+// ASCII conversion in node.js simply masks off the high bits,
+// it doesn't do transliteration.
+assert.equal(Buffer.from('hérité').toString('ascii'), 'hC)ritC)');
+
+// 71 characters, 78 bytes. The ’ character is a triple-byte sequence.
+var input = 'C’est, graphiquement, la réunion d’un accent aigu ' +
+            'et d’un accent grave.';
+
+var expected = 'Cb\u0000\u0019est, graphiquement, la rC)union ' +
+               'db\u0000\u0019un accent aigu et db\u0000\u0019un ' +
+               'accent grave.';
+
+var buf = Buffer.from(input);
+
+for (var i = 0; i < expected.length; ++i) {
+  assert.equal(buf.slice(i).toString('ascii'), expected.slice(i));
+
+  // Skip remainder of multi-byte sequence.
+  if (input.charCodeAt(i) > 65535) ++i;
+  if (input.charCodeAt(i) > 127) ++i;
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-bad-overload.js b/node_modules/buffer/test/node/test-buffer-bad-overload.js
new file mode 100644
index 00000000..282227d7
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-bad-overload.js
@@ -0,0 +1,18 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+assert.doesNotThrow(function() {
+  Buffer.allocUnsafe(10);
+});
+
+assert.throws(function() {
+  Buffer.from(10, 'hex');
+});
+
+assert.doesNotThrow(function() {
+  Buffer.from('deadbeaf', 'hex');
+});
+
diff --git a/node_modules/buffer/test/node/test-buffer-badhex.js b/node_modules/buffer/test/node/test-buffer-badhex.js
new file mode 100644
index 00000000..fd7851d9
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-badhex.js
@@ -0,0 +1,46 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+var Buffer = require('../../').Buffer;
+
+// Test hex strings and bad hex strings
+{
+  var buf1 = Buffer.alloc(4);
+  assert.strictEqual(buf1.length, 4);
+  assert.deepStrictEqual(buf1, new Buffer([0, 0, 0, 0]));
+  assert.strictEqual(buf1.write('abcdxx', 0, 'hex'), 2);
+  assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0x00, 0x00]));
+  assert.strictEqual(buf1.toString('hex'), 'abcd0000');
+  assert.strictEqual(buf1.write('abcdef01', 0, 'hex'), 4);
+  assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0xef, 0x01]));
+  assert.strictEqual(buf1.toString('hex'), 'abcdef01');
+
+  var buf2 = Buffer.from(buf1.toString('hex'), 'hex');
+  assert.strictEqual(buf1.toString('hex'), buf2.toString('hex'));
+
+  var buf3 = Buffer.alloc(5);
+  assert.strictEqual(buf3.write('abcdxx', 1, 'hex'), 2);
+  assert.strictEqual(buf3.toString('hex'), '00abcd0000');
+
+  var buf4 = Buffer.alloc(4);
+  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
+  assert.strictEqual(buf4.write('xxabcd', 0, 'hex'), 0);
+  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
+  assert.strictEqual(buf4.write('xxab', 1, 'hex'), 0);
+  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
+  assert.strictEqual(buf4.write('cdxxab', 0, 'hex'), 1);
+  assert.deepStrictEqual(buf4, new Buffer([0xcd, 0, 0, 0]));
+
+  var buf5 = Buffer.alloc(256);
+  for (var i = 0; i < 256; i++)
+    buf5[i] = i;
+
+  var hex = buf5.toString('hex');
+  assert.deepStrictEqual(Buffer.from(hex, 'hex'), buf5);
+
+  var badHex = hex.slice(0, 256) + 'xx' + hex.slice(256, 510);
+  assert.deepStrictEqual(Buffer.from(badHex, 'hex'), buf5.slice(0, 128));
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-bytelength.js b/node_modules/buffer/test/node/test-buffer-bytelength.js
new file mode 100644
index 00000000..8d7dc35b
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-bytelength.js
@@ -0,0 +1,90 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+var Buffer = require('../../').Buffer;
+var SlowBuffer = require('../../').SlowBuffer;
+
+// coerce values to string
+assert.equal(Buffer.byteLength(32, 'latin1'), 2);
+assert.equal(Buffer.byteLength(NaN, 'utf8'), 3);
+assert.equal(Buffer.byteLength({}, 'latin1'), 15);
+assert.equal(Buffer.byteLength(), 9);
+
+var buff = new Buffer(10);
+assert(ArrayBuffer.isView(buff));
+var slowbuff = new SlowBuffer(10);
+assert(ArrayBuffer.isView(slowbuff));
+
+// buffer
+var incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);
+assert.equal(Buffer.byteLength(incomplete), 5);
+var ascii = Buffer.from('abc');
+assert.equal(Buffer.byteLength(ascii), 3);
+
+// ArrayBuffer
+var buffer = new ArrayBuffer(8);
+assert.equal(Buffer.byteLength(buffer), 8);
+
+// TypedArray
+var int8 = new Int8Array(8);
+assert.equal(Buffer.byteLength(int8), 8);
+var uint8 = new Uint8Array(8);
+assert.equal(Buffer.byteLength(uint8), 8);
+var uintc8 = new Uint8ClampedArray(2);
+assert.equal(Buffer.byteLength(uintc8), 2);
+var int16 = new Int16Array(8);
+assert.equal(Buffer.byteLength(int16), 16);
+var uint16 = new Uint16Array(8);
+assert.equal(Buffer.byteLength(uint16), 16);
+var int32 = new Int32Array(8);
+assert.equal(Buffer.byteLength(int32), 32);
+var uint32 = new Uint32Array(8);
+assert.equal(Buffer.byteLength(uint32), 32);
+var float32 = new Float32Array(8);
+assert.equal(Buffer.byteLength(float32), 32);
+var float64 = new Float64Array(8);
+assert.equal(Buffer.byteLength(float64), 64);
+
+// DataView
+var dv = new DataView(new ArrayBuffer(2));
+assert.equal(Buffer.byteLength(dv), 2);
+
+// special case: zero length string
+assert.equal(Buffer.byteLength('', 'ascii'), 0);
+assert.equal(Buffer.byteLength('', 'HeX'), 0);
+
+// utf8
+assert.equal(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);
+assert.equal(Buffer.byteLength('κλμνξο', 'utf8'), 12);
+assert.equal(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);
+assert.equal(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);
+// without an encoding, utf8 should be assumed
+assert.equal(Buffer.byteLength('hey there'), 9);
+assert.equal(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);
+assert.equal(Buffer.byteLength('hello world', ''), 11);
+// it should also be assumed with unrecognized encoding
+assert.equal(Buffer.byteLength('hello world', 'abc'), 11);
+assert.equal(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
+
+// base64
+assert.equal(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);
+assert.equal(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);
+assert.equal(Buffer.byteLength('aGkk', 'base64'), 3);
+assert.equal(Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==',
+    'base64'), 25);
+// special padding
+assert.equal(Buffer.byteLength('aaa=', 'base64'), 2);
+assert.equal(Buffer.byteLength('aaaa==', 'base64'), 3);
+
+assert.equal(Buffer.byteLength('Il était tué'), 14);
+assert.equal(Buffer.byteLength('Il était tué', 'utf8'), 14);
+assert.equal(Buffer.byteLength('Il était tué', 'ascii'), 12);
+assert.equal(Buffer.byteLength('Il était tué', 'latin1'), 12);
+assert.equal(Buffer.byteLength('Il était tué', 'binary'), 12);
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  assert.equal(24, Buffer.byteLength('Il était tué', encoding));
+});
+
diff --git a/node_modules/buffer/test/node/test-buffer-compare-offset.js b/node_modules/buffer/test/node/test-buffer-compare-offset.js
new file mode 100644
index 00000000..f1984ed9
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-compare-offset.js
@@ -0,0 +1,66 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+var a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
+var b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
+
+assert.equal(-1, a.compare(b));
+
+// Equivalent to a.compare(b).
+assert.equal(-1, a.compare(b, 0));
+assert.equal(-1, a.compare(b, '0'));
+
+// Equivalent to a.compare(b).
+assert.equal(-1, a.compare(b, 0, undefined, 0));
+
+// Zero-length targer, return 1
+assert.equal(1, a.compare(b, 0, 0, 0));
+assert.equal(1, a.compare(b, '0', '0', '0'));
+
+// Equivalent to Buffer.compare(a, b.slice(6, 10))
+assert.equal(1, a.compare(b, 6, 10));
+
+// Zero-length source, return -1
+assert.equal(-1, a.compare(b, 6, 10, 0, 0));
+
+// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
+assert.equal(1, a.compare(b, 0, 5, 4));
+
+// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
+assert.equal(1, a.compare(b, 5, undefined, 1));
+
+// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
+assert.equal(-1, a.compare(b, 2, 4, 2));
+
+// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
+assert.equal(-1, a.compare(b, 0, 7, 4));
+
+// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
+assert.equal(-1, a.compare(b, 0, 7, 4, 6));
+
+// zero length target
+assert.equal(1, a.compare(b, 0, null));
+
+// coerces to targetEnd == 5
+assert.equal(-1, a.compare(b, 0, {valueOf: () => 5}));
+
+// zero length target
+assert.equal(1, a.compare(b, Infinity, -Infinity));
+
+// zero length target because default for targetEnd <= targetSource
+assert.equal(1, a.compare(b, '0xff'));
+
+var oor = /out of range index/;
+
+assert.throws(() => a.compare(b, 0, 100, 0), oor);
+assert.throws(() => a.compare(b, 0, 1, 0, 100), oor);
+assert.throws(() => a.compare(b, -1), oor);
+assert.throws(() => a.compare(b, 0, '0xff'), oor);
+assert.throws(() => a.compare(b, 0, Infinity), oor);
+assert.throws(() => a.compare(b, -Infinity, Infinity), oor);
+assert.throws(() => a.compare(), /Argument must be a Buffer/);
+
diff --git a/node_modules/buffer/test/node/test-buffer-concat.js b/node_modules/buffer/test/node/test-buffer-concat.js
new file mode 100644
index 00000000..c0dc4da0
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-concat.js
@@ -0,0 +1,40 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var zero = [];
+var one = [ Buffer.from('asdf') ];
+var long = [];
+for (var i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
+
+var flatZero = Buffer.concat(zero);
+var flatOne = Buffer.concat(one);
+var flatLong = Buffer.concat(long);
+var flatLongLen = Buffer.concat(long, 40);
+
+assert(flatZero.length === 0);
+assert(flatOne.toString() === 'asdf');
+// A special case where concat used to return the first item,
+// if the length is one. This check is to make sure that we don't do that.
+assert(flatOne !== one[0]);
+assert(flatLong.toString() === (new Array(10 + 1).join('asdf')));
+assert(flatLongLen.toString() === (new Array(10 + 1).join('asdf')));
+
+assertWrongList();
+assertWrongList(null);
+assertWrongList(Buffer.from('hello'));
+assertWrongList([42]);
+assertWrongList(['hello', 'world']);
+assertWrongList(['hello', Buffer.from('world')]);
+
+function assertWrongList(value) {
+  assert.throws(function() {
+    Buffer.concat(value);
+  }, function(err) {
+    return err instanceof TypeError &&
+           err.message === '"list" argument must be an Array of Buffers';
+  });
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-fill.js b/node_modules/buffer/test/node/test-buffer-fill.js
new file mode 100644
index 00000000..7138094a
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-fill.js
@@ -0,0 +1,272 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+var os = require('os');
+var SIZE = 28;
+
+var buf1 = Buffer.allocUnsafe(SIZE);
+var buf2 = Buffer.allocUnsafe(SIZE);
+
+
+// Default encoding
+testBufs('abc');
+testBufs('\u0222aa');
+testBufs('a\u0234b\u0235c\u0236');
+testBufs('abc', 4);
+testBufs('abc', 5);
+testBufs('abc', SIZE);
+testBufs('\u0222aa', 2);
+testBufs('\u0222aa', 8);
+testBufs('a\u0234b\u0235c\u0236', 4);
+testBufs('a\u0234b\u0235c\u0236', 12);
+testBufs('abc', 4, -1);
+testBufs('abc', 4, 1);
+testBufs('abc', 5, 1);
+testBufs('\u0222aa', 2, -1);
+testBufs('\u0222aa', 8, 1);
+testBufs('a\u0234b\u0235c\u0236', 4, -1);
+testBufs('a\u0234b\u0235c\u0236', 4, 1);
+testBufs('a\u0234b\u0235c\u0236', 12, 1);
+
+
+// UTF8
+testBufs('abc', 'utf8');
+testBufs('\u0222aa', 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 'utf8');
+testBufs('abc', 4, 'utf8');
+testBufs('abc', 5, 'utf8');
+testBufs('abc', SIZE, 'utf8');
+testBufs('\u0222aa', 2, 'utf8');
+testBufs('\u0222aa', 8, 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 4, 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 12, 'utf8');
+testBufs('abc', 4, -1, 'utf8');
+testBufs('abc', 4, 1, 'utf8');
+testBufs('abc', 5, 1, 'utf8');
+testBufs('\u0222aa', 2, -1, 'utf8');
+testBufs('\u0222aa', 8, 1, 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 4, -1, 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 4, 1, 'utf8');
+testBufs('a\u0234b\u0235c\u0236', 12, 1, 'utf8');
+assert.equal(Buffer.allocUnsafe(1).fill(0).fill('\u0222')[0], 0xc8);
+
+
+// BINARY
+testBufs('abc', 'binary');
+testBufs('\u0222aa', 'binary');
+testBufs('a\u0234b\u0235c\u0236', 'binary');
+testBufs('abc', 4, 'binary');
+testBufs('abc', 5, 'binary');
+testBufs('abc', SIZE, 'binary');
+testBufs('\u0222aa', 2, 'binary');
+testBufs('\u0222aa', 8, 'binary');
+testBufs('a\u0234b\u0235c\u0236', 4, 'binary');
+testBufs('a\u0234b\u0235c\u0236', 12, 'binary');
+testBufs('abc', 4, -1, 'binary');
+testBufs('abc', 4, 1, 'binary');
+testBufs('abc', 5, 1, 'binary');
+testBufs('\u0222aa', 2, -1, 'binary');
+testBufs('\u0222aa', 8, 1, 'binary');
+testBufs('a\u0234b\u0235c\u0236', 4, -1, 'binary');
+testBufs('a\u0234b\u0235c\u0236', 4, 1, 'binary');
+testBufs('a\u0234b\u0235c\u0236', 12, 1, 'binary');
+
+
+// LATIN1
+testBufs('abc', 'latin1');
+testBufs('\u0222aa', 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 'latin1');
+testBufs('abc', 4, 'latin1');
+testBufs('abc', 5, 'latin1');
+testBufs('abc', SIZE, 'latin1');
+testBufs('\u0222aa', 2, 'latin1');
+testBufs('\u0222aa', 8, 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 4, 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 12, 'latin1');
+testBufs('abc', 4, -1, 'latin1');
+testBufs('abc', 4, 1, 'latin1');
+testBufs('abc', 5, 1, 'latin1');
+testBufs('\u0222aa', 2, -1, 'latin1');
+testBufs('\u0222aa', 8, 1, 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 4, -1, 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 4, 1, 'latin1');
+testBufs('a\u0234b\u0235c\u0236', 12, 1, 'latin1');
+
+
+// UCS2
+testBufs('abc', 'ucs2');
+testBufs('\u0222aa', 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 'ucs2');
+testBufs('abc', 4, 'ucs2');
+testBufs('abc', SIZE, 'ucs2');
+testBufs('\u0222aa', 2, 'ucs2');
+testBufs('\u0222aa', 8, 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 4, 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 12, 'ucs2');
+testBufs('abc', 4, -1, 'ucs2');
+testBufs('abc', 4, 1, 'ucs2');
+testBufs('abc', 5, 1, 'ucs2');
+testBufs('\u0222aa', 2, -1, 'ucs2');
+testBufs('\u0222aa', 8, 1, 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 4, -1, 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 4, 1, 'ucs2');
+testBufs('a\u0234b\u0235c\u0236', 12, 1, 'ucs2');
+assert.equal(Buffer.allocUnsafe(1).fill('\u0222', 'ucs2')[0],
+             os.endianness() === 'LE' ? 0x22 : 0x02);
+
+
+// HEX
+testBufs('616263', 'hex');
+testBufs('c8a26161', 'hex');
+testBufs('61c8b462c8b563c8b6', 'hex');
+testBufs('616263', 4, 'hex');
+testBufs('616263', 5, 'hex');
+testBufs('616263', SIZE, 'hex');
+testBufs('c8a26161', 2, 'hex');
+testBufs('c8a26161', 8, 'hex');
+testBufs('61c8b462c8b563c8b6', 4, 'hex');
+testBufs('61c8b462c8b563c8b6', 12, 'hex');
+testBufs('616263', 4, -1, 'hex');
+testBufs('616263', 4, 1, 'hex');
+testBufs('616263', 5, 1, 'hex');
+testBufs('c8a26161', 2, -1, 'hex');
+testBufs('c8a26161', 8, 1, 'hex');
+testBufs('61c8b462c8b563c8b6', 4, -1, 'hex');
+testBufs('61c8b462c8b563c8b6', 4, 1, 'hex');
+testBufs('61c8b462c8b563c8b6', 12, 1, 'hex');
+// Make sure this operation doesn't go on forever
+buf1.fill('yKJh', 'hex');
+assert.throws(() => buf1.fill('\u0222', 'hex'));
+
+
+// BASE64
+testBufs('YWJj', 'ucs2');
+testBufs('yKJhYQ==', 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 'ucs2');
+testBufs('YWJj', 4, 'ucs2');
+testBufs('YWJj', SIZE, 'ucs2');
+testBufs('yKJhYQ==', 2, 'ucs2');
+testBufs('yKJhYQ==', 8, 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 4, 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 12, 'ucs2');
+testBufs('YWJj', 4, -1, 'ucs2');
+testBufs('YWJj', 4, 1, 'ucs2');
+testBufs('YWJj', 5, 1, 'ucs2');
+testBufs('yKJhYQ==', 2, -1, 'ucs2');
+testBufs('yKJhYQ==', 8, 1, 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 4, -1, 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 4, 1, 'ucs2');
+testBufs('Yci0Ysi1Y8i2', 12, 1, 'ucs2');
+
+
+// Buffer
+function deepStrictEqualValues(buf, arr) {
+  for (var [index, value] of buf.entries()) {
+    assert.deepStrictEqual(value, arr[index]);
+  }
+}
+
+
+var buf2Fill = Buffer.allocUnsafe(1).fill(2);
+deepStrictEqualValues(genBuffer(4, [buf2Fill]), [2, 2, 2, 2]);
+deepStrictEqualValues(genBuffer(4, [buf2Fill, 1]), [0, 2, 2, 2]);
+deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 3]), [0, 2, 2, 0]);
+deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 1]), [0, 0, 0, 0]);
+deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, -1]), [0, 0, 0, 0]);
+var hexBufFill = Buffer.allocUnsafe(2).fill(0).fill('0102', 'hex');
+deepStrictEqualValues(genBuffer(4, [hexBufFill]), [1, 2, 1, 2]);
+deepStrictEqualValues(genBuffer(4, [hexBufFill, 1]), [0, 1, 2, 1]);
+deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 3]), [0, 1, 2, 0]);
+deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 1]), [0, 0, 0, 0]);
+deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, -1]), [0, 0, 0, 0]);
+
+
+// Check exceptions
+assert.throws(() => buf1.fill(0, -1));
+assert.throws(() => buf1.fill(0, 0, buf1.length + 1));
+assert.throws(() => buf1.fill('', -1));
+assert.throws(() => buf1.fill('', 0, buf1.length + 1));
+assert.throws(() => buf1.fill('a', 0, buf1.length, 'node rocks!'));
+assert.throws(() => buf1.fill('a', 0, 0, NaN));
+assert.throws(() => buf1.fill('a', 0, 0, null));
+assert.throws(() => buf1.fill('a', 0, 0, 'foo'));
+
+
+function genBuffer(size, args) {
+  var b = Buffer.allocUnsafe(size);
+  return b.fill(0).fill.apply(b, args);
+}
+
+
+function bufReset() {
+  buf1.fill(0);
+  buf2.fill(0);
+}
+
+
+// This is mostly accurate. Except write() won't write partial bytes to the
+// string while fill() blindly copies bytes into memory. To account for that an
+// error will be thrown if not all the data can be written, and the SIZE has
+// been massaged to work with the input characters.
+function writeToFill(string, offset, end, encoding) {
+  if (typeof offset === 'string') {
+    encoding = offset;
+    offset = 0;
+    end = buf2.length;
+  } else if (typeof end === 'string') {
+    encoding = end;
+    end = buf2.length;
+  } else if (end === undefined) {
+    end = buf2.length;
+  }
+
+  if (offset < 0 || end > buf2.length)
+    throw new RangeError('Out of range index');
+
+  if (end <= offset)
+    return buf2;
+
+  offset >>>= 0;
+  end >>>= 0;
+  assert(offset <= buf2.length);
+
+  // Convert "end" to "length" (which write understands).
+  var length = end - offset < 0 ? 0 : end - offset;
+
+  var wasZero = false;
+  do {
+    var written = buf2.write(string, offset, length, encoding);
+    offset += written;
+    // Safety check in case write falls into infinite loop.
+    if (written === 0) {
+      if (wasZero)
+        throw new Error('Could not write all data to Buffer');
+      else
+        wasZero = true;
+    }
+  } while (offset < buf2.length);
+
+  // Correction for UCS2 operations.
+  if (os.endianness() === 'BE' && encoding === 'ucs2') {
+    for (var i = 0; i < buf2.length; i += 2) {
+      var tmp = buf2[i];
+      buf2[i] = buf2[i + 1];
+      buf2[i + 1] = tmp;
+    }
+  }
+
+  return buf2;
+}
+
+
+function testBufs(string, offset, length, encoding) {
+  bufReset();
+  buf1.fill.apply(buf1, arguments);
+  // Swap bytes on BE archs for ucs2 encoding.
+  assert.deepStrictEqual(buf1.fill.apply(buf1, arguments),
+                         writeToFill.apply(null, arguments));
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-includes.js b/node_modules/buffer/test/node/test-buffer-includes.js
new file mode 100644
index 00000000..2096a34b
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-includes.js
@@ -0,0 +1,305 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+
+var b = Buffer.from('abcdef');
+var buf_a = Buffer.from('a');
+var buf_bc = Buffer.from('bc');
+var buf_f = Buffer.from('f');
+var buf_z = Buffer.from('z');
+var buf_empty = Buffer.from('');
+
+assert(b.includes('a'));
+assert(!b.includes('a', 1));
+assert(!b.includes('a', -1));
+assert(!b.includes('a', -4));
+assert(b.includes('a', -b.length));
+assert(b.includes('a', NaN));
+assert(b.includes('a', -Infinity));
+assert(!b.includes('a', Infinity));
+assert(b.includes('bc'));
+assert(!b.includes('bc', 2));
+assert(!b.includes('bc', -1));
+assert(!b.includes('bc', -3));
+assert(b.includes('bc', -5));
+assert(b.includes('bc', NaN));
+assert(b.includes('bc', -Infinity));
+assert(!b.includes('bc', Infinity));
+assert(b.includes('f'), b.length - 1);
+assert(!b.includes('z'));
+assert(!b.includes(''));
+assert(!b.includes('', 1));
+assert(!b.includes('', b.length + 1));
+assert(!b.includes('', Infinity));
+assert(b.includes(buf_a));
+assert(!b.includes(buf_a, 1));
+assert(!b.includes(buf_a, -1));
+assert(!b.includes(buf_a, -4));
+assert(b.includes(buf_a, -b.length));
+assert(b.includes(buf_a, NaN));
+assert(b.includes(buf_a, -Infinity));
+assert(!b.includes(buf_a, Infinity));
+assert(b.includes(buf_bc));
+assert(!b.includes(buf_bc, 2));
+assert(!b.includes(buf_bc, -1));
+assert(!b.includes(buf_bc, -3));
+assert(b.includes(buf_bc, -5));
+assert(b.includes(buf_bc, NaN));
+assert(b.includes(buf_bc, -Infinity));
+assert(!b.includes(buf_bc, Infinity));
+assert(b.includes(buf_f), b.length - 1);
+assert(!b.includes(buf_z));
+assert(!b.includes(buf_empty));
+assert(!b.includes(buf_empty, 1));
+assert(!b.includes(buf_empty, b.length + 1));
+assert(!b.includes(buf_empty, Infinity));
+assert(b.includes(0x61));
+assert(!b.includes(0x61, 1));
+assert(!b.includes(0x61, -1));
+assert(!b.includes(0x61, -4));
+assert(b.includes(0x61, -b.length));
+assert(b.includes(0x61, NaN));
+assert(b.includes(0x61, -Infinity));
+assert(!b.includes(0x61, Infinity));
+assert(!b.includes(0x0));
+
+// test offsets
+assert(b.includes('d', 2));
+assert(b.includes('f', 5));
+assert(b.includes('f', -1));
+assert(!b.includes('f', 6));
+
+assert(b.includes(Buffer.from('d'), 2));
+assert(b.includes(Buffer.from('f'), 5));
+assert(b.includes(Buffer.from('f'), -1));
+assert(!b.includes(Buffer.from('f'), 6));
+
+assert(!Buffer.from('ff').includes(Buffer.from('f'), 1, 'ucs2'));
+
+// test hex encoding
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .includes('64', 0, 'hex'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .includes(Buffer.from('64', 'hex'), 0, 'hex'),
+  true
+);
+
+// test base64 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .includes('ZA==', 0, 'base64'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .includes(Buffer.from('ZA==', 'base64'), 0, 'base64'),
+  true
+);
+
+// test ascii encoding
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .includes('d', 0, 'ascii'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .includes(Buffer.from('d', 'ascii'), 0, 'ascii'),
+  true
+);
+
+// test latin1 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .includes('d', 0, 'latin1'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .includes(Buffer.from('d', 'latin1'), 0, 'latin1'),
+  true
+);
+
+// test binary encoding
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .includes('d', 0, 'binary'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .includes(Buffer.from('d', 'binary'), 0, 'binary'),
+  true
+);
+
+
+// test usc2 encoding
+var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+assert(twoByteString.includes('\u0395', 4, 'ucs2'));
+assert(twoByteString.includes('\u03a3', -4, 'ucs2'));
+assert(twoByteString.includes('\u03a3', -6, 'ucs2'));
+assert(twoByteString.includes(
+  Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));
+assert(!twoByteString.includes('\u03a3', -2, 'ucs2'));
+
+var mixedByteStringUcs2 =
+    Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
+assert(mixedByteStringUcs2.includes('bc', 0, 'ucs2'));
+assert(mixedByteStringUcs2.includes('\u03a3', 0, 'ucs2'));
+assert(!mixedByteStringUcs2.includes('\u0396', 0, 'ucs2'));
+
+assert(
+    6, mixedByteStringUcs2.includes(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));
+assert(
+    10, mixedByteStringUcs2.includes(Buffer.from('\u03a3', 'ucs2'),
+    0, 'ucs2'));
+assert(
+    -1, mixedByteStringUcs2.includes(Buffer.from('\u0396', 'ucs2'),
+    0, 'ucs2'));
+
+twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+// Test single char pattern
+assert(twoByteString.includes('\u039a', 0, 'ucs2'));
+assert(twoByteString.includes('\u0391', 0, 'ucs2'), 'Alpha');
+assert(twoByteString.includes('\u03a3', 0, 'ucs2'), 'First Sigma');
+assert(twoByteString.includes('\u03a3', 6, 'ucs2'), 'Second Sigma');
+assert(twoByteString.includes('\u0395', 0, 'ucs2'), 'Epsilon');
+assert(!twoByteString.includes('\u0392', 0, 'ucs2'), 'Not beta');
+
+// Test multi-char pattern
+assert(twoByteString.includes('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
+assert(twoByteString.includes('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
+assert(twoByteString.includes('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
+assert(twoByteString.includes('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
+
+var mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');
+assert(mixedByteStringUtf8.includes('bc'));
+assert(mixedByteStringUtf8.includes('bc', 5));
+assert(mixedByteStringUtf8.includes('bc', -8));
+assert(mixedByteStringUtf8.includes('\u03a3'));
+assert(!mixedByteStringUtf8.includes('\u0396'));
+
+
+// Test complex string includes algorithms. Only trigger for long strings.
+// Long string that isn't a simple repeat of a shorter string.
+var longString = 'A';
+for (var i = 66; i < 76; i++) {  // from 'B' to 'K'
+  longString = longString + String.fromCharCode(i) + longString;
+}
+
+var longBufferString = Buffer.from(longString);
+
+// pattern of 15 chars, repeated every 16 chars in long
+var pattern = 'ABACABADABACABA';
+for (var i = 0; i < longBufferString.length - pattern.length; i += 7) {
+  var includes = longBufferString.includes(pattern, i);
+  assert(includes, 'Long ABACABA...-string at index ' + i);
+}
+assert(longBufferString.includes('AJABACA'), 'Long AJABACA, First J');
+assert(longBufferString.includes('AJABACA', 511), 'Long AJABACA, Second J');
+
+pattern = 'JABACABADABACABA';
+assert(longBufferString.includes(pattern), 'Long JABACABA..., First J');
+assert(longBufferString.includes(pattern, 512), 'Long JABACABA..., Second J');
+
+// Search for a non-ASCII string in a pure ASCII string.
+var asciiString = Buffer.from(
+    'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');
+assert(!asciiString.includes('\x2061'));
+assert(asciiString.includes('leb', 0));
+
+// Search in string containing many non-ASCII chars.
+var allCodePoints = [];
+for (var i = 0; i < 65536; i++) allCodePoints[i] = i;
+var allCharsString = String.fromCharCode.apply(String, allCodePoints);
+var allCharsBufferUtf8 = Buffer.from(allCharsString);
+var allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
+
+// Search for string long enough to trigger complex search with ASCII pattern
+// and UC16 subject.
+assert(!allCharsBufferUtf8.includes('notfound'));
+assert(!allCharsBufferUcs2.includes('notfound'));
+
+// Find substrings in Utf8.
+var lengths = [1, 3, 15];  // Single char, simple and complex.
+var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
+for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+  for (var i = 0; i < indices.length; i++) {
+    var index = indices[i];
+    var length = lengths[lengthIndex];
+
+    if (index + length > 0x7F) {
+      length = 2 * length;
+    }
+
+    if (index + length > 0x7FF) {
+      length = 3 * length;
+    }
+
+    if (index + length > 0xFFFF) {
+      length = 4 * length;
+    }
+
+    var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
+    assert(index, allCharsBufferUtf8.includes(patternBufferUtf8));
+
+    var patternStringUtf8 = patternBufferUtf8.toString();
+    assert(index, allCharsBufferUtf8.includes(patternStringUtf8));
+  }
+}
+
+// Find substrings in Usc2.
+lengths = [2, 4, 16];  // Single char, simple and complex.
+indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
+for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+  for (var i = 0; i < indices.length; i++) {
+    var index = indices[i] * 2;
+    var length = lengths[lengthIndex];
+
+    var patternBufferUcs2 =
+        allCharsBufferUcs2.slice(index, index + length);
+    assert(
+        index, allCharsBufferUcs2.includes(patternBufferUcs2, 0, 'ucs2'));
+
+    var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
+    assert(
+        index, allCharsBufferUcs2.includes(patternStringUcs2, 0, 'ucs2'));
+  }
+}
+
+assert.throws(function() {
+  b.includes(function() { });
+});
+assert.throws(function() {
+  b.includes({});
+});
+assert.throws(function() {
+  b.includes([]);
+});
+
+// test truncation of Number arguments to uint8
+{
+  var buf = Buffer.from('this is a test');
+  assert.ok(buf.includes(0x6973));
+  assert.ok(buf.includes(0x697320));
+  assert.ok(buf.includes(0x69732069));
+  assert.ok(buf.includes(0x697374657374));
+  assert.ok(buf.includes(0x69737374));
+  assert.ok(buf.includes(0x69737465));
+  assert.ok(buf.includes(0x69737465));
+  assert.ok(buf.includes(-140));
+  assert.ok(buf.includes(-152));
+  assert.ok(!buf.includes(0xff));
+  assert.ok(!buf.includes(0xffff));
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-indexof.js b/node_modules/buffer/test/node/test-buffer-indexof.js
new file mode 100644
index 00000000..24502c3f
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-indexof.js
@@ -0,0 +1,523 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+
+var b = Buffer.from('abcdef');
+var buf_a = Buffer.from('a');
+var buf_bc = Buffer.from('bc');
+var buf_f = Buffer.from('f');
+var buf_z = Buffer.from('z');
+var buf_empty = Buffer.from('');
+
+assert.equal(b.indexOf('a'), 0);
+assert.equal(b.indexOf('a', 1), -1);
+assert.equal(b.indexOf('a', -1), -1);
+assert.equal(b.indexOf('a', -4), -1);
+assert.equal(b.indexOf('a', -b.length), 0);
+assert.equal(b.indexOf('a', NaN), 0);
+assert.equal(b.indexOf('a', -Infinity), 0);
+assert.equal(b.indexOf('a', Infinity), -1);
+assert.equal(b.indexOf('bc'), 1);
+assert.equal(b.indexOf('bc', 2), -1);
+assert.equal(b.indexOf('bc', -1), -1);
+assert.equal(b.indexOf('bc', -3), -1);
+assert.equal(b.indexOf('bc', -5), 1);
+assert.equal(b.indexOf('bc', NaN), 1);
+assert.equal(b.indexOf('bc', -Infinity), 1);
+assert.equal(b.indexOf('bc', Infinity), -1);
+assert.equal(b.indexOf('f'), b.length - 1);
+assert.equal(b.indexOf('z'), -1);
+assert.equal(b.indexOf(''), -1);
+assert.equal(b.indexOf('', 1), -1);
+assert.equal(b.indexOf('', b.length + 1), -1);
+assert.equal(b.indexOf('', Infinity), -1);
+assert.equal(b.indexOf(buf_a), 0);
+assert.equal(b.indexOf(buf_a, 1), -1);
+assert.equal(b.indexOf(buf_a, -1), -1);
+assert.equal(b.indexOf(buf_a, -4), -1);
+assert.equal(b.indexOf(buf_a, -b.length), 0);
+assert.equal(b.indexOf(buf_a, NaN), 0);
+assert.equal(b.indexOf(buf_a, -Infinity), 0);
+assert.equal(b.indexOf(buf_a, Infinity), -1);
+assert.equal(b.indexOf(buf_bc), 1);
+assert.equal(b.indexOf(buf_bc, 2), -1);
+assert.equal(b.indexOf(buf_bc, -1), -1);
+assert.equal(b.indexOf(buf_bc, -3), -1);
+assert.equal(b.indexOf(buf_bc, -5), 1);
+assert.equal(b.indexOf(buf_bc, NaN), 1);
+assert.equal(b.indexOf(buf_bc, -Infinity), 1);
+assert.equal(b.indexOf(buf_bc, Infinity), -1);
+assert.equal(b.indexOf(buf_f), b.length - 1);
+assert.equal(b.indexOf(buf_z), -1);
+assert.equal(b.indexOf(buf_empty), -1);
+assert.equal(b.indexOf(buf_empty, 1), -1);
+assert.equal(b.indexOf(buf_empty, b.length + 1), -1);
+assert.equal(b.indexOf(buf_empty, Infinity), -1);
+assert.equal(b.indexOf(0x61), 0);
+assert.equal(b.indexOf(0x61, 1), -1);
+assert.equal(b.indexOf(0x61, -1), -1);
+assert.equal(b.indexOf(0x61, -4), -1);
+assert.equal(b.indexOf(0x61, -b.length), 0);
+assert.equal(b.indexOf(0x61, NaN), 0);
+assert.equal(b.indexOf(0x61, -Infinity), 0);
+assert.equal(b.indexOf(0x61, Infinity), -1);
+assert.equal(b.indexOf(0x0), -1);
+
+// test offsets
+assert.equal(b.indexOf('d', 2), 3);
+assert.equal(b.indexOf('f', 5), 5);
+assert.equal(b.indexOf('f', -1), 5);
+assert.equal(b.indexOf('f', 6), -1);
+
+assert.equal(b.indexOf(Buffer.from('d'), 2), 3);
+assert.equal(b.indexOf(Buffer.from('f'), 5), 5);
+assert.equal(b.indexOf(Buffer.from('f'), -1), 5);
+assert.equal(b.indexOf(Buffer.from('f'), 6), -1);
+
+assert.equal(Buffer.from('ff').indexOf(Buffer.from('f'), 1, 'ucs2'), -1);
+
+// test hex encoding
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .indexOf('64', 0, 'hex'),
+  3
+);
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .indexOf(Buffer.from('64', 'hex'), 0, 'hex'),
+  3
+);
+
+// test base64 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .indexOf('ZA==', 0, 'base64'),
+  3
+);
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .indexOf(Buffer.from('ZA==', 'base64'), 0, 'base64'),
+  3
+);
+
+// test ascii encoding
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .indexOf('d', 0, 'ascii'),
+  3
+);
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .indexOf(Buffer.from('d', 'ascii'), 0, 'ascii'),
+  3
+);
+
+// test latin1 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .indexOf('d', 0, 'latin1'),
+  3
+);
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .indexOf(Buffer.from('d', 'latin1'), 0, 'latin1'),
+  3
+);
+assert.strictEqual(
+  Buffer.from('aa\u00e8aa', 'latin1')
+    .indexOf('\u00e8', 'latin1'),
+  2
+);
+assert.strictEqual(
+  Buffer.from('\u00e8', 'latin1')
+    .indexOf('\u00e8', 'latin1'),
+  0
+);
+assert.strictEqual(
+  Buffer.from('\u00e8', 'latin1')
+    .indexOf(Buffer.from('\u00e8', 'latin1'), 'latin1'),
+  0
+);
+
+// test binary encoding
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .indexOf('d', 0, 'binary'),
+  3
+);
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .indexOf(Buffer.from('d', 'binary'), 0, 'binary'),
+  3
+);
+assert.strictEqual(
+  Buffer.from('aa\u00e8aa', 'binary')
+    .indexOf('\u00e8', 'binary'),
+  2
+);
+assert.strictEqual(
+  Buffer.from('\u00e8', 'binary')
+    .indexOf('\u00e8', 'binary'),
+  0
+);
+assert.strictEqual(
+  Buffer.from('\u00e8', 'binary')
+    .indexOf(Buffer.from('\u00e8', 'binary'), 'binary'),
+  0
+);
+
+
+// test optional offset with passed encoding
+assert.equal(Buffer.from('aaaa0').indexOf('30', 'hex'), 4);
+assert.equal(Buffer.from('aaaa00a').indexOf('3030', 'hex'), 4);
+
+{
+  // test usc2 encoding
+  var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+  assert.equal(8, twoByteString.indexOf('\u0395', 4, 'ucs2'));
+  assert.equal(6, twoByteString.indexOf('\u03a3', -4, 'ucs2'));
+  assert.equal(4, twoByteString.indexOf('\u03a3', -6, 'ucs2'));
+  assert.equal(4, twoByteString.indexOf(
+    Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));
+  assert.equal(-1, twoByteString.indexOf('\u03a3', -2, 'ucs2'));
+}
+
+var mixedByteStringUcs2 =
+    Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
+assert.equal(6, mixedByteStringUcs2.indexOf('bc', 0, 'ucs2'));
+assert.equal(10, mixedByteStringUcs2.indexOf('\u03a3', 0, 'ucs2'));
+assert.equal(-1, mixedByteStringUcs2.indexOf('\u0396', 0, 'ucs2'));
+
+assert.equal(
+    6, mixedByteStringUcs2.indexOf(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));
+assert.equal(
+    10, mixedByteStringUcs2.indexOf(Buffer.from('\u03a3', 'ucs2'), 0, 'ucs2'));
+assert.equal(
+    -1, mixedByteStringUcs2.indexOf(Buffer.from('\u0396', 'ucs2'), 0, 'ucs2'));
+
+{
+  var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+  // Test single char pattern
+  assert.equal(0, twoByteString.indexOf('\u039a', 0, 'ucs2'));
+  assert.equal(2, twoByteString.indexOf('\u0391', 0, 'ucs2'), 'Alpha');
+  assert.equal(4, twoByteString.indexOf('\u03a3', 0, 'ucs2'), 'First Sigma');
+  assert.equal(6, twoByteString.indexOf('\u03a3', 6, 'ucs2'), 'Second Sigma');
+  assert.equal(8, twoByteString.indexOf('\u0395', 0, 'ucs2'), 'Epsilon');
+  assert.equal(-1, twoByteString.indexOf('\u0392', 0, 'ucs2'), 'Not beta');
+
+  // Test multi-char pattern
+  assert.equal(
+      0, twoByteString.indexOf('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
+  assert.equal(
+      2, twoByteString.indexOf('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
+  assert.equal(
+      4, twoByteString.indexOf('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
+  assert.equal(
+      6, twoByteString.indexOf('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
+}
+
+var mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');
+assert.equal(5, mixedByteStringUtf8.indexOf('bc'));
+assert.equal(5, mixedByteStringUtf8.indexOf('bc', 5));
+assert.equal(5, mixedByteStringUtf8.indexOf('bc', -8));
+assert.equal(7, mixedByteStringUtf8.indexOf('\u03a3'));
+assert.equal(-1, mixedByteStringUtf8.indexOf('\u0396'));
+
+
+// Test complex string indexOf algorithms. Only trigger for long strings.
+// Long string that isn't a simple repeat of a shorter string.
+var longString = 'A';
+for (var i = 66; i < 76; i++) {  // from 'B' to 'K'
+  longString = longString + String.fromCharCode(i) + longString;
+}
+
+var longBufferString = Buffer.from(longString);
+
+// pattern of 15 chars, repeated every 16 chars in long
+var pattern = 'ABACABADABACABA';
+for (var i = 0; i < longBufferString.length - pattern.length; i += 7) {
+  var index = longBufferString.indexOf(pattern, i);
+  assert.equal((i + 15) & ~0xf, index, 'Long ABACABA...-string at index ' + i);
+}
+assert.equal(510, longBufferString.indexOf('AJABACA'), 'Long AJABACA, First J');
+assert.equal(
+    1534, longBufferString.indexOf('AJABACA', 511), 'Long AJABACA, Second J');
+
+pattern = 'JABACABADABACABA';
+assert.equal(
+    511, longBufferString.indexOf(pattern), 'Long JABACABA..., First J');
+assert.equal(
+    1535, longBufferString.indexOf(pattern, 512), 'Long JABACABA..., Second J');
+
+// Search for a non-ASCII string in a pure ASCII string.
+var asciiString = Buffer.from(
+    'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');
+assert.equal(-1, asciiString.indexOf('\x2061'));
+assert.equal(3, asciiString.indexOf('leb', 0));
+
+// Search in string containing many non-ASCII chars.
+var allCodePoints = [];
+for (var i = 0; i < 65536; i++) allCodePoints[i] = i;
+var allCharsString = String.fromCharCode.apply(String, allCodePoints);
+var allCharsBufferUtf8 = Buffer.from(allCharsString);
+var allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
+
+// Search for string long enough to trigger complex search with ASCII pattern
+// and UC16 subject.
+assert.equal(-1, allCharsBufferUtf8.indexOf('notfound'));
+assert.equal(-1, allCharsBufferUcs2.indexOf('notfound'));
+
+// Needle is longer than haystack, but only because it's encoded as UTF-16
+assert.strictEqual(Buffer.from('aaaa').indexOf('a'.repeat(4), 'ucs2'), -1);
+
+assert.strictEqual(Buffer.from('aaaa').indexOf('a'.repeat(4), 'utf8'), 0);
+assert.strictEqual(Buffer.from('aaaa').indexOf('你好', 'ucs2'), -1);
+
+// Haystack has odd length, but the needle is UCS2.
+// assert.strictEqual(Buffer.from('aaaaa').indexOf('b', 'ucs2'), -1);
+
+{
+  // Find substrings in Utf8.
+  var lengths = [1, 3, 15];  // Single char, simple and complex.
+  var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
+  for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+    for (var i = 0; i < indices.length; i++) {
+      var index = indices[i];
+      var length = lengths[lengthIndex];
+
+      if (index + length > 0x7F) {
+        length = 2 * length;
+      }
+
+      if (index + length > 0x7FF) {
+        length = 3 * length;
+      }
+
+      if (index + length > 0xFFFF) {
+        length = 4 * length;
+      }
+
+      var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
+      assert.equal(index, allCharsBufferUtf8.indexOf(patternBufferUtf8));
+
+      var patternStringUtf8 = patternBufferUtf8.toString();
+      assert.equal(index, allCharsBufferUtf8.indexOf(patternStringUtf8));
+    }
+  }
+}
+
+{
+  // Find substrings in Usc2.
+  var lengths = [2, 4, 16];  // Single char, simple and complex.
+  var indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
+  for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+    for (var i = 0; i < indices.length; i++) {
+      var index = indices[i] * 2;
+      var length = lengths[lengthIndex];
+
+      var patternBufferUcs2 =
+          allCharsBufferUcs2.slice(index, index + length);
+      assert.equal(
+          index, allCharsBufferUcs2.indexOf(patternBufferUcs2, 0, 'ucs2'));
+
+      var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
+      assert.equal(
+          index, allCharsBufferUcs2.indexOf(patternStringUcs2, 0, 'ucs2'));
+    }
+  }
+}
+
+assert.throws(function() {
+  b.indexOf(function() { });
+});
+assert.throws(function() {
+  b.indexOf({});
+});
+assert.throws(function() {
+  b.indexOf([]);
+});
+
+// All code for handling encodings is shared between Buffer.indexOf and
+// Buffer.lastIndexOf, so only testing the separate lastIndexOf semantics.
+
+// Test lastIndexOf basic functionality; Buffer b contains 'abcdef'.
+// lastIndexOf string:
+assert.equal(b.lastIndexOf('a'), 0);
+assert.equal(b.lastIndexOf('a', 1), 0);
+assert.equal(b.lastIndexOf('b', 1), 1);
+assert.equal(b.lastIndexOf('c', 1), -1);
+assert.equal(b.lastIndexOf('a', -1), 0);
+assert.equal(b.lastIndexOf('a', -4), 0);
+assert.equal(b.lastIndexOf('a', -b.length), 0);
+assert.equal(b.lastIndexOf('a', -b.length - 1), -1);
+assert.equal(b.lastIndexOf('a', NaN), 0);
+assert.equal(b.lastIndexOf('a', -Infinity), -1);
+assert.equal(b.lastIndexOf('a', Infinity), 0);
+// lastIndexOf Buffer:
+assert.equal(b.lastIndexOf(buf_a), 0);
+assert.equal(b.lastIndexOf(buf_a, 1), 0);
+assert.equal(b.lastIndexOf(buf_a, -1), 0);
+assert.equal(b.lastIndexOf(buf_a, -4), 0);
+assert.equal(b.lastIndexOf(buf_a, -b.length), 0);
+assert.equal(b.lastIndexOf(buf_a, -b.length - 1), -1);
+assert.equal(b.lastIndexOf(buf_a, NaN), 0);
+assert.equal(b.lastIndexOf(buf_a, -Infinity), -1);
+assert.equal(b.lastIndexOf(buf_a, Infinity), 0);
+assert.equal(b.lastIndexOf(buf_bc), 1);
+assert.equal(b.lastIndexOf(buf_bc, 2), 1);
+assert.equal(b.lastIndexOf(buf_bc, -1), 1);
+assert.equal(b.lastIndexOf(buf_bc, -3), 1);
+assert.equal(b.lastIndexOf(buf_bc, -5), 1);
+assert.equal(b.lastIndexOf(buf_bc, -6), -1);
+assert.equal(b.lastIndexOf(buf_bc, NaN), 1);
+assert.equal(b.lastIndexOf(buf_bc, -Infinity), -1);
+assert.equal(b.lastIndexOf(buf_bc, Infinity), 1);
+assert.equal(b.lastIndexOf(buf_f), b.length - 1);
+assert.equal(b.lastIndexOf(buf_z), -1);
+assert.equal(b.lastIndexOf(buf_empty), -1);
+assert.equal(b.lastIndexOf(buf_empty, 1), -1);
+assert.equal(b.lastIndexOf(buf_empty, b.length + 1), -1);
+assert.equal(b.lastIndexOf(buf_empty, Infinity), -1);
+// lastIndexOf number:
+assert.equal(b.lastIndexOf(0x61), 0);
+assert.equal(b.lastIndexOf(0x61, 1), 0);
+assert.equal(b.lastIndexOf(0x61, -1), 0);
+assert.equal(b.lastIndexOf(0x61, -4), 0);
+assert.equal(b.lastIndexOf(0x61, -b.length), 0);
+assert.equal(b.lastIndexOf(0x61, -b.length - 1), -1);
+assert.equal(b.lastIndexOf(0x61, NaN), 0);
+assert.equal(b.lastIndexOf(0x61, -Infinity), -1);
+assert.equal(b.lastIndexOf(0x61, Infinity), 0);
+assert.equal(b.lastIndexOf(0x0), -1);
+
+// Test weird offset arguments.
+// Behaviour should match String.lastIndexOf:
+assert.equal(b.lastIndexOf('b', 0), -1);
+assert.equal(b.lastIndexOf('b', undefined), 1);
+assert.equal(b.lastIndexOf('b', null), -1);
+assert.equal(b.lastIndexOf('b', {}), 1);
+assert.equal(b.lastIndexOf('b', []), -1);
+assert.equal(b.lastIndexOf('b', [2]), 1);
+
+// Test needles longer than the haystack.
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'ucs2'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'utf8'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'latin1'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'binary'), -1);
+assert.strictEqual(b.lastIndexOf(Buffer.from('aaaaaaaaaaaaaaa')), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 2, 'ucs2'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 3, 'utf8'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 5, 'latin1'), -1);
+assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 5, 'binary'), -1);
+assert.strictEqual(b.lastIndexOf(Buffer.from('aaaaaaaaaaaaaaa'), 7), -1);
+
+// 你好 expands to a total of 6 bytes using UTF-8 and 4 bytes using UTF-16
+assert.strictEqual(buf_bc.lastIndexOf('你好', 'ucs2'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 'utf8'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 'latin1'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 'binary'), -1);
+assert.strictEqual(buf_bc.lastIndexOf(Buffer.from('你好')), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 2, 'ucs2'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 3, 'utf8'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 5, 'latin1'), -1);
+assert.strictEqual(buf_bc.lastIndexOf('你好', 5, 'binary'), -1);
+assert.strictEqual(buf_bc.lastIndexOf(Buffer.from('你好'), 7), -1);
+
+// Test lastIndexOf on a longer buffer:
+var bufferString = new Buffer('a man a plan a canal panama');
+assert.equal(15, bufferString.lastIndexOf('canal'));
+assert.equal(21, bufferString.lastIndexOf('panama'));
+assert.equal(0, bufferString.lastIndexOf('a man a plan a canal panama'));
+assert.equal(-1, bufferString.lastIndexOf('a man a plan a canal mexico'));
+assert.equal(-1, bufferString.lastIndexOf('a man a plan a canal mexico city'));
+assert.equal(-1, bufferString.lastIndexOf(Buffer.from('a'.repeat(1000))));
+assert.equal(0, bufferString.lastIndexOf('a man a plan', 4));
+assert.equal(13, bufferString.lastIndexOf('a '));
+assert.equal(13, bufferString.lastIndexOf('a ', 13));
+assert.equal(6, bufferString.lastIndexOf('a ', 12));
+assert.equal(0, bufferString.lastIndexOf('a ', 5));
+assert.equal(13, bufferString.lastIndexOf('a ', -1));
+assert.equal(0, bufferString.lastIndexOf('a ', -27));
+assert.equal(-1, bufferString.lastIndexOf('a ', -28));
+
+// Test lastIndexOf for the case that the first character can be found,
+// but in a part of the buffer that does not make search to search
+// due do length constraints.
+var abInUCS2 = Buffer.from('ab', 'ucs2');
+assert.strictEqual(-1, Buffer.from('µaaaa¶bbbb', 'latin1').lastIndexOf('µ'));
+assert.strictEqual(-1, Buffer.from('µaaaa¶bbbb', 'binary').lastIndexOf('µ'));
+assert.strictEqual(-1, Buffer.from('bc').lastIndexOf('ab'));
+assert.strictEqual(-1, Buffer.from('abc').lastIndexOf('qa'));
+assert.strictEqual(-1, Buffer.from('abcdef').lastIndexOf('qabc'));
+assert.strictEqual(-1, Buffer.from('bc').lastIndexOf(Buffer.from('ab')));
+assert.strictEqual(-1, Buffer.from('bc', 'ucs2').lastIndexOf('ab', 'ucs2'));
+assert.strictEqual(-1, Buffer.from('bc', 'ucs2').lastIndexOf(abInUCS2));
+
+assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab'));
+assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 1));
+assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 2));
+assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 3));
+
+// The above tests test the LINEAR and SINGLE-CHAR strategies.
+// Now, we test the BOYER-MOORE-HORSPOOL strategy.
+// Test lastIndexOf on a long buffer w multiple matches:
+pattern = 'JABACABADABACABA';
+assert.equal(1535, longBufferString.lastIndexOf(pattern));
+assert.equal(1535, longBufferString.lastIndexOf(pattern, 1535));
+assert.equal(511, longBufferString.lastIndexOf(pattern, 1534));
+
+// Finally, give it a really long input to trigger fallback from BMH to
+// regular BOYER-MOORE (which has better worst-case complexity).
+
+// Generate a really long Thue-Morse sequence of 'yolo' and 'swag',
+// "yolo swag swag yolo swag yolo yolo swag" ..., goes on for about 5MB.
+// This is hard to search because it all looks similar, but never repeats.
+
+// countBits returns the number of bits in the binary reprsentation of n.
+function countBits(n) {
+  for (var count = 0; n > 0; count++) {
+    n = n & (n - 1); // remove top bit
+  }
+  return count;
+}
+var parts = [];
+for (var i = 0; i < 1000000; i++) {
+  parts.push((countBits(i) % 2 === 0) ? 'yolo' : 'swag');
+}
+var reallyLong = new Buffer(parts.join(' '));
+assert.equal('yolo swag swag yolo', reallyLong.slice(0, 19).toString());
+
+// Expensive reverse searches. Stress test lastIndexOf:
+pattern = reallyLong.slice(0, 100000);  // First 1/50th of the pattern.
+assert.equal(4751360, reallyLong.lastIndexOf(pattern));
+assert.equal(3932160, reallyLong.lastIndexOf(pattern, 4000000));
+assert.equal(2949120, reallyLong.lastIndexOf(pattern, 3000000));
+pattern = reallyLong.slice(100000, 200000);  // Second 1/50th.
+assert.equal(4728480, reallyLong.lastIndexOf(pattern));
+pattern = reallyLong.slice(0, 1000000);  // First 1/5th.
+assert.equal(3932160, reallyLong.lastIndexOf(pattern));
+pattern = reallyLong.slice(0, 2000000);  // first 2/5ths.
+assert.equal(0, reallyLong.lastIndexOf(pattern));
+
+// test truncation of Number arguments to uint8
+{
+  var buf = Buffer.from('this is a test');
+  assert.strictEqual(buf.indexOf(0x6973), 3);
+  assert.strictEqual(buf.indexOf(0x697320), 4);
+  assert.strictEqual(buf.indexOf(0x69732069), 2);
+  assert.strictEqual(buf.indexOf(0x697374657374), 0);
+  assert.strictEqual(buf.indexOf(0x69737374), 0);
+  assert.strictEqual(buf.indexOf(0x69737465), 11);
+  assert.strictEqual(buf.indexOf(0x69737465), 11);
+  assert.strictEqual(buf.indexOf(-140), 0);
+  assert.strictEqual(buf.indexOf(-152), 1);
+  assert.strictEqual(buf.indexOf(0xff), -1);
+  assert.strictEqual(buf.indexOf(0xffff), -1);
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-inheritance.js b/node_modules/buffer/test/node/test-buffer-inheritance.js
new file mode 100644
index 00000000..711d9f23
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-inheritance.js
@@ -0,0 +1,42 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+
+function T(n) {
+  var ui8 = new Uint8Array(n);
+  Object.setPrototypeOf(ui8, T.prototype);
+  return ui8;
+}
+Object.setPrototypeOf(T.prototype, Buffer.prototype);
+Object.setPrototypeOf(T, Buffer);
+
+T.prototype.sum = function sum() {
+  var cntr = 0;
+  for (var i = 0; i < this.length; i++)
+    cntr += this[i];
+  return cntr;
+};
+
+
+var vals = [new T(4), T(4)];
+
+vals.forEach(function(t) {
+  assert.equal(t.constructor, T);
+  assert.equal(Object.getPrototypeOf(t), T.prototype);
+  assert.equal(Object.getPrototypeOf(Object.getPrototypeOf(t)),
+    Buffer.prototype);
+
+  t.fill(5);
+  var cntr = 0;
+  for (var i = 0; i < t.length; i++)
+    cntr += t[i];
+  assert.equal(t.length * 5, cntr);
+
+  // Check this does not throw
+  t.toString();
+});
+
diff --git a/node_modules/buffer/test/node/test-buffer-inspect.js b/node_modules/buffer/test/node/test-buffer-inspect.js
new file mode 100644
index 00000000..d0ed590d
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-inspect.js
@@ -0,0 +1,41 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var util = require('util');
+
+var buffer = require('../../');
+
+buffer.INSPECT_MAX_BYTES = 2;
+
+var b = Buffer.allocUnsafe(4);
+b.fill('1234');
+
+var s = buffer.SlowBuffer(4);
+s.fill('1234');
+
+var expected = '<Buffer 31 32 ... >';
+
+assert.strictEqual(util.inspect(b), expected);
+assert.strictEqual(util.inspect(s), expected);
+
+b = Buffer.allocUnsafe(2);
+b.fill('12');
+
+s = buffer.SlowBuffer(2);
+s.fill('12');
+
+expected = '<Buffer 31 32>';
+
+assert.strictEqual(util.inspect(b), expected);
+assert.strictEqual(util.inspect(s), expected);
+
+buffer.INSPECT_MAX_BYTES = Infinity;
+
+assert.doesNotThrow(function() {
+  assert.strictEqual(util.inspect(b), expected);
+  assert.strictEqual(util.inspect(s), expected);
+});
+
diff --git a/node_modules/buffer/test/node/test-buffer-iterator.js b/node_modules/buffer/test/node/test-buffer-iterator.js
new file mode 100644
index 00000000..f27709f3
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-iterator.js
@@ -0,0 +1,65 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var buffer = Buffer.from([1, 2, 3, 4, 5]);
+var arr;
+var b;
+
+// buffers should be iterable
+
+arr = [];
+
+for (b of buffer)
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer iterators should be iterable
+
+arr = [];
+
+for (b of buffer[Symbol.iterator]())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer#values() should return iterator for values
+
+arr = [];
+
+for (b of buffer.values())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer#keys() should return iterator for keys
+
+arr = [];
+
+for (b of buffer.keys())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [0, 1, 2, 3, 4]);
+
+
+// buffer#entries() should return iterator for entries
+
+arr = [];
+
+for (b of buffer.entries())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [
+  [0, 1],
+  [1, 2],
+  [2, 3],
+  [3, 4],
+  [4, 5]
+]);
+
diff --git a/node_modules/buffer/test/node/test-buffer-safe-unsafe.js b/node_modules/buffer/test/node/test-buffer-safe-unsafe.js
new file mode 100644
index 00000000..22ba29e8
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-safe-unsafe.js
@@ -0,0 +1,27 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+var safe = Buffer.alloc(10);
+
+function isZeroFilled(buf) {
+  for (var n = 0; n < buf.length; n++)
+    if (buf[n] !== 0) return false;
+  return true;
+}
+
+assert(isZeroFilled(safe));
+
+// Test that unsafe allocations doesn't affect subsequent safe allocations
+Buffer.allocUnsafe(10);
+assert(isZeroFilled(new Float64Array(10)));
+
+new Buffer(10);
+assert(isZeroFilled(new Float64Array(10)));
+
+Buffer.allocUnsafe(10);
+assert(isZeroFilled(Buffer.alloc(10)));
+
diff --git a/node_modules/buffer/test/node/test-buffer-slow.js b/node_modules/buffer/test/node/test-buffer-slow.js
new file mode 100644
index 00000000..65cea21e
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-slow.js
@@ -0,0 +1,63 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+var buffer = require('../../');
+var Buffer = buffer.Buffer;
+var SlowBuffer = buffer.SlowBuffer;
+
+var ones = [1, 1, 1, 1];
+
+// should create a Buffer
+var sb = SlowBuffer(4);
+assert(sb instanceof Buffer);
+assert.strictEqual(sb.length, 4);
+sb.fill(1);
+for (var [key, value] of sb.entries()) {
+  assert.deepStrictEqual(value, ones[key]);
+}
+
+// underlying ArrayBuffer should have the same length
+assert.strictEqual(sb.buffer.byteLength, 4);
+
+// should work without new
+sb = SlowBuffer(4);
+assert(sb instanceof Buffer);
+assert.strictEqual(sb.length, 4);
+sb.fill(1);
+for (var [key, value] of sb.entries()) {
+  assert.deepStrictEqual(value, ones[key]);
+}
+
+// should work with edge cases
+assert.strictEqual(SlowBuffer(0).length, 0);
+try {
+  assert.strictEqual(
+    SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
+} catch (e) {
+  assert.equal(e.message, 'Array buffer allocation failed');
+}
+
+// should work with number-coercible values
+assert.strictEqual(SlowBuffer('6').length, 6);
+assert.strictEqual(SlowBuffer(true).length, 1);
+
+// should create zero-length buffer if parameter is not a number
+assert.strictEqual(SlowBuffer().length, 0);
+assert.strictEqual(SlowBuffer(NaN).length, 0);
+assert.strictEqual(SlowBuffer({}).length, 0);
+assert.strictEqual(SlowBuffer('string').length, 0);
+
+// should throw with invalid length
+assert.throws(function() {
+  SlowBuffer(Infinity);
+}, 'invalid Buffer length');
+assert.throws(function() {
+  SlowBuffer(-1);
+}, 'invalid Buffer length');
+assert.throws(function() {
+  SlowBuffer(buffer.kMaxLength + 1);
+}, 'invalid Buffer length');
+
diff --git a/node_modules/buffer/test/node/test-buffer-swap.js b/node_modules/buffer/test/node/test-buffer-swap.js
new file mode 100644
index 00000000..2ec1a7aa
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-swap.js
@@ -0,0 +1,141 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+// Test buffers small enough to use the JS implementation
+var buf = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+                         0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10]);
+
+assert.strictEqual(buf, buf.swap16());
+assert.deepStrictEqual(buf, Buffer.from([0x02, 0x01, 0x04, 0x03, 0x06, 0x05,
+                                         0x08, 0x07, 0x0a, 0x09, 0x0c, 0x0b,
+                                         0x0e, 0x0d, 0x10, 0x0f]));
+buf.swap16(); // restore
+
+assert.strictEqual(buf, buf.swap32());
+assert.deepStrictEqual(buf, Buffer.from([0x04, 0x03, 0x02, 0x01, 0x08, 0x07,
+                                         0x06, 0x05, 0x0c, 0x0b, 0x0a, 0x09,
+                                         0x10, 0x0f, 0x0e, 0x0d]));
+buf.swap32(); // restore
+
+assert.strictEqual(buf, buf.swap64());
+assert.deepStrictEqual(buf, Buffer.from([0x08, 0x07, 0x06, 0x05, 0x04, 0x03,
+                                         0x02, 0x01, 0x10, 0x0f, 0x0e, 0x0d,
+                                         0x0c, 0x0b, 0x0a, 0x09]));
+
+// Operates in-place
+var buf3 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7]);
+buf3.slice(1, 5).swap32();
+assert.deepStrictEqual(buf3, Buffer.from([0x1, 0x5, 0x4, 0x3, 0x2, 0x6, 0x7]));
+
+buf3.slice(1, 5).swap16();
+assert.deepStrictEqual(buf3, Buffer.from([0x1, 0x4, 0x5, 0x2, 0x3, 0x6, 0x7]));
+
+var buf3_64 = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
+                             0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10]);
+buf3_64.slice(2, 18).swap64();
+assert.deepStrictEqual(buf3_64, Buffer.from([0x01, 0x02, 0x0a, 0x09, 0x08, 0x07,
+                                             0x06, 0x05, 0x04, 0x03, 0x02, 0x01,
+                                             0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b,
+                                             0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+                                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
+                                             0x0f, 0x10]));
+
+// Force use of native code (Buffer size above threshold limit for js impl)
+var buf4A = new Uint32Array(256).fill(0x04030201);
+var buf4 = Buffer.from(buf4A.buffer, buf4A.byteOffset);
+var buf5A = new Uint32Array(256).fill(0x03040102);
+var buf5 = Buffer.from(buf5A.buffer, buf5A.byteOffset);
+
+buf4.swap16();
+assert.deepStrictEqual(buf4, buf5);
+
+var buf6A = new Uint32Array(256).fill(0x04030201);
+var buf6 = Buffer.from(buf6A.buffer);
+var bu7A = new Uint32Array(256).fill(0x01020304);
+var buf7 = Buffer.from(bu7A.buffer, bu7A.byteOffset);
+
+buf6.swap32();
+assert.deepStrictEqual(buf6, buf7);
+
+var buf8A = new Uint8Array(256 * 8);
+var buf9A = new Uint8Array(256 * 8);
+for (var i = 0; i < buf8A.length; i++) {
+  buf8A[i] = i % 8;
+  buf9A[buf9A.length - i - 1] = i % 8;
+}
+var buf8 = Buffer.from(buf8A.buffer, buf8A.byteOffset);
+var buf9 = Buffer.from(buf9A.buffer, buf9A.byteOffset);
+
+buf8.swap64();
+assert.deepStrictEqual(buf8, buf9);
+
+// Test native code with buffers that are not memory-aligned
+var buf10A = new Uint8Array(256 * 8);
+var buf11A = new Uint8Array(256 * 8 - 2);
+for (var i = 0; i < buf10A.length; i++) {
+  buf10A[i] = i % 2;
+}
+for (var i = 1; i < buf11A.length; i++) {
+  buf11A[buf11A.length - i] = (i + 1) % 2;
+}
+var buf10 = Buffer.from(buf10A.buffer, buf10A.byteOffset);
+// 0|1 0|1 0|1...
+var buf11 = Buffer.from(buf11A.buffer, buf11A.byteOffset);
+// 0|0 1|0 1|0...
+
+buf10.slice(1, buf10.length - 1).swap16();
+assert.deepStrictEqual(buf10.slice(0, buf11.length), buf11);
+
+
+var buf12A = new Uint8Array(256 * 8);
+var buf13A = new Uint8Array(256 * 8 - 4);
+for (var i = 0; i < buf12A.length; i++) {
+  buf12A[i] = i % 4;
+}
+for (var i = 1; i < buf13A.length; i++) {
+  buf13A[buf13A.length - i] = (i + 1) % 4;
+}
+var buf12 = Buffer.from(buf12A.buffer, buf12A.byteOffset);
+// 0|1 2 3 0|1 2 3...
+var buf13 = Buffer.from(buf13A.buffer, buf13A.byteOffset);
+// 0|0 3 2 1|0 3 2...
+
+buf12.slice(1, buf12.length - 3).swap32();
+assert.deepStrictEqual(buf12.slice(0, buf13.length), buf13);
+
+
+var buf14A = new Uint8Array(256 * 8);
+var buf15A = new Uint8Array(256 * 8 - 8);
+for (var i = 0; i < buf14A.length; i++) {
+  buf14A[i] = i % 8;
+}
+for (var i = 1; i < buf15A.length; i++) {
+  buf15A[buf15A.length - i] = (i + 1) % 8;
+}
+var buf14 = Buffer.from(buf14A.buffer, buf14A.byteOffset);
+// 0|1 2 3 4 5 6 7 0|1 2 3 4...
+var buf15 = Buffer.from(buf15A.buffer, buf15A.byteOffset);
+// 0|0 7 6 5 4 3 2 1|0 7 6 5...
+
+buf14.slice(1, buf14.length - 7).swap64();
+assert.deepStrictEqual(buf14.slice(0, buf15.length), buf15);
+
+// Length assertions
+var re16 = /Buffer size must be a multiple of 16-bits/;
+var re32 = /Buffer size must be a multiple of 32-bits/;
+var re64 = /Buffer size must be a multiple of 64-bits/;
+
+assert.throws(() => Buffer.from(buf3).swap16(), re16);
+assert.throws(() => Buffer.alloc(1025).swap16(), re16);
+assert.throws(() => Buffer.from(buf3).swap32(), re32);
+assert.throws(() => buf3.slice(1, 3).swap32(), re32);
+assert.throws(() => Buffer.alloc(1025).swap32(), re32);
+assert.throws(() => buf3.slice(1, 3).swap64(), re64);
+assert.throws(() => Buffer.alloc(1025).swap64(), re64);
+
diff --git a/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js b/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js
new file mode 100644
index 00000000..744b3349
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js
@@ -0,0 +1,35 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+// Flags: --zero-fill-buffers
+
+// when using --zero-fill-buffers, every Buffer and SlowBuffer
+// instance must be zero filled upon creation
+
+
+var SlowBuffer = require('../../').SlowBuffer;
+var assert = require('assert');
+
+function isZeroFilled(buf) {
+  for (var n = 0; n < buf.length; n++)
+    if (buf[n] > 0) return false;
+  return true;
+}
+
+// This can be somewhat unreliable because the
+// allocated memory might just already happen to
+// contain all zeroes. The test is run multiple
+// times to improve the reliability.
+for (var i = 0; i < 50; i++) {
+  var bufs = [
+    Buffer.alloc(20),
+    Buffer.allocUnsafe(20),
+    SlowBuffer(20),
+    Buffer(20),
+    new SlowBuffer(20)
+  ];
+  for (var buf of bufs) {
+    assert(isZeroFilled(buf));
+  }
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js b/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js
new file mode 100644
index 00000000..b21a6b26
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js
@@ -0,0 +1,22 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+
+function testUint8Array(ui) {
+  var length = ui.length;
+  for (var i = 0; i < length; i++)
+    if (ui[i] !== 0) return false;
+  return true;
+}
+
+
+for (var i = 0; i < 100; i++) {
+  Buffer.alloc(0);
+  var ui = new Uint8Array(65);
+  assert.ok(testUint8Array(ui), 'Uint8Array is not zero-filled');
+}
+
diff --git a/node_modules/buffer/test/node/test-buffer.js b/node_modules/buffer/test/node/test-buffer.js
new file mode 100644
index 00000000..2e94de21
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer.js
@@ -0,0 +1,1534 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+var common = { skip: function () {} };
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+var SlowBuffer = require('../../').SlowBuffer;
+
+// counter to ensure unique value is always copied
+var cntr = 0;
+
+var b = Buffer(1024); // safe constructor
+
+// console.log('b.length == %d', b.length);
+assert.strictEqual(1024, b.length);
+
+b[0] = -1;
+assert.strictEqual(b[0], 255);
+
+for (var i = 0; i < 1024; i++) {
+  b[i] = i % 256;
+}
+
+for (var i = 0; i < 1024; i++) {
+  assert.strictEqual(i % 256, b[i]);
+}
+
+var c = Buffer(512);
+// console.log('c.length == %d', c.length);
+assert.strictEqual(512, c.length);
+
+var d = new Buffer([]);
+assert.strictEqual(0, d.length);
+
+var ui32 = new Uint32Array(4).fill(42);
+var e = Buffer(ui32);
+for (var [key, value] of e.entries()) {
+  assert.deepStrictEqual(value, ui32[key]);
+}
+
+// First check Buffer#fill() works as expected.
+
+assert.throws(function() {
+  Buffer(8).fill('a', -1);
+});
+
+assert.throws(function() {
+  Buffer(8).fill('a', 0, 9);
+});
+
+// Make sure this doesn't hang indefinitely.
+Buffer(8).fill('');
+
+{
+  var buf = new Buffer(64);
+  buf.fill(10);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(buf[i], 10);
+
+  buf.fill(11, 0, buf.length >> 1);
+  for (var i = 0; i < buf.length >> 1; i++)
+    assert.equal(buf[i], 11);
+  for (var i = (buf.length >> 1) + 1; i < buf.length; i++)
+    assert.equal(buf[i], 10);
+
+  buf.fill('h');
+  for (var i = 0; i < buf.length; i++)
+    assert.equal('h'.charCodeAt(0), buf[i]);
+
+  buf.fill(0);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+
+  buf.fill(null);
+  for (var i = 0; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+
+  buf.fill(1, 16, 32);
+  for (var i = 0; i < 16; i++)
+    assert.equal(0, buf[i]);
+  for (var i = 16; i < 32; i++)
+    assert.equal(1, buf[i]);
+  for (var i = 32; i < buf.length; i++)
+    assert.equal(0, buf[i]);
+}
+
+{
+  var buf = new Buffer(10);
+  buf.fill('abc');
+  assert.equal(buf.toString(), 'abcabcabca');
+  buf.fill('է');
+  assert.equal(buf.toString(), 'էէէէէ');
+}
+
+{
+  // copy 512 bytes, from 0 to 512.
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 512);
+//   console.log('copied %d bytes from b into c', copied);
+  assert.strictEqual(512, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy c into b, without specifying sourceEnd
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = c.copy(b, 0, 0);
+//   console.log('copied %d bytes from c into b w/o sourceEnd', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(c[i], b[i]);
+  }
+}
+
+{
+  // copy c into b, without specifying sourceStart
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = c.copy(b, 0);
+//   console.log('copied %d bytes from c into b w/o sourceStart', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(c[i], b[i]);
+  }
+}
+
+{
+  // copy longer buffer b to shorter c without targetStart
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c);
+//   console.log('copied %d bytes from b into c w/o targetStart', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy starting near end of b to c
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, b.length - Math.floor(c.length / 2));
+//   console.log('copied %d bytes from end of b into beginning of c', copied);
+  assert.strictEqual(Math.floor(c.length / 2), copied);
+  for (var i = 0; i < Math.floor(c.length / 2); i++) {
+    assert.strictEqual(b[b.length - Math.floor(c.length / 2) + i], c[i]);
+  }
+  for (var i = Math.floor(c.length / 2) + 1; i < c.length; i++) {
+    assert.strictEqual(c[c.length - 1], c[i]);
+  }
+}
+
+{
+  // try to copy 513 bytes, and check we don't overrun c
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 513);
+//   console.log('copied %d bytes from b trying to overrun c', copied);
+  assert.strictEqual(c.length, copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+{
+  // copy 768 bytes from b into b
+  b.fill(++cntr);
+  b.fill(++cntr, 256);
+  var copied = b.copy(b, 0, 256, 1024);
+//   console.log('copied %d bytes from b into b', copied);
+  assert.strictEqual(768, copied);
+  for (var i = 0; i < b.length; i++) {
+    assert.strictEqual(cntr, b[i]);
+  }
+}
+
+// copy string longer than buffer length (failure will segfault)
+var bb = Buffer(10);
+bb.fill('hello crazy world');
+
+
+// try to copy from before the beginning of b
+assert.doesNotThrow(() => { b.copy(c, 0, 100, 10); });
+
+// copy throws at negative sourceStart
+assert.throws(function() {
+  Buffer(5).copy(Buffer(5), 0, -1);
+}, RangeError);
+
+{
+  // check sourceEnd resets to targetEnd if former is greater than the latter
+  b.fill(++cntr);
+  c.fill(++cntr);
+  var copied = b.copy(c, 0, 0, 1025);
+//   console.log('copied %d bytes from b into c', copied);
+  for (var i = 0; i < c.length; i++) {
+    assert.strictEqual(b[i], c[i]);
+  }
+}
+
+// throw with negative sourceEnd
+// console.log('test copy at negative sourceEnd');
+assert.throws(function() {
+  b.copy(c, 0, 0, -1);
+}, RangeError);
+
+// when sourceStart is greater than sourceEnd, zero copied
+assert.equal(b.copy(c, 0, 100, 10), 0);
+
+// when targetStart > targetLength, zero copied
+assert.equal(b.copy(c, 512, 0, 10), 0);
+
+var caught_error;
+
+// invalid encoding for Buffer.toString
+caught_error = null;
+try {
+  b.toString('invalid');
+} catch (err) {
+  caught_error = err;
+}
+assert.strictEqual('Unknown encoding: invalid', caught_error.message);
+
+// invalid encoding for Buffer.write
+caught_error = null;
+try {
+  b.write('test string', 0, 5, 'invalid');
+} catch (err) {
+  caught_error = err;
+}
+assert.strictEqual('Unknown encoding: invalid', caught_error.message);
+
+// try to create 0-length buffers
+new Buffer('');
+new Buffer('', 'ascii');
+new Buffer('', 'latin1');
+new Buffer('', 'binary');
+Buffer(0);
+
+// try to write a 0-length string beyond the end of b
+assert.throws(function() {
+  b.write('', 2048);
+}, RangeError);
+
+// throw when writing to negative offset
+assert.throws(function() {
+  b.write('a', -1);
+}, RangeError);
+
+// throw when writing past bounds from the pool
+assert.throws(function() {
+  b.write('a', 2048);
+}, RangeError);
+
+// throw when writing to negative offset
+assert.throws(function() {
+  b.write('a', -1);
+}, RangeError);
+
+// try to copy 0 bytes worth of data into an empty buffer
+b.copy(Buffer(0), 0, 0, 0);
+
+// try to copy 0 bytes past the end of the target buffer
+b.copy(Buffer(0), 1, 1, 1);
+b.copy(Buffer(1), 1, 1, 1);
+
+// try to copy 0 bytes from past the end of the source buffer
+b.copy(Buffer(1), 0, 2048, 2048);
+
+var rangeBuffer = new Buffer('abc');
+
+// if start >= buffer's length, empty string will be returned
+assert.equal(rangeBuffer.toString('ascii', 3), '');
+assert.equal(rangeBuffer.toString('ascii', +Infinity), '');
+assert.equal(rangeBuffer.toString('ascii', 3.14, 3), '');
+assert.equal(rangeBuffer.toString('ascii', 'Infinity', 3), '');
+
+// if end <= 0, empty string will be returned
+assert.equal(rangeBuffer.toString('ascii', 1, 0), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -1.2), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -100), '');
+assert.equal(rangeBuffer.toString('ascii', 1, -Infinity), '');
+
+// if start < 0, start will be taken as zero
+assert.equal(rangeBuffer.toString('ascii', -1, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
+
+// if start is an invalid integer, start will be taken as zero
+assert.equal(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', {}, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', [], 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', NaN, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', null, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', undefined, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', false, 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '', 3), 'abc');
+
+// but, if start is an integer when coerced, then it will be coerced and used.
+assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '1', 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', '3', 3), '');
+assert.equal(rangeBuffer.toString('ascii', Number(3), 3), '');
+assert.equal(rangeBuffer.toString('ascii', '3.14', 3), '');
+assert.equal(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
+assert.equal(rangeBuffer.toString('ascii', true, 3), 'bc');
+
+// if end > buffer's length, end will be taken as buffer's length
+assert.equal(rangeBuffer.toString('ascii', 0, 5), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '5'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
+
+// if end is an invalid integer, end will be taken as buffer's length
+assert.equal(rangeBuffer.toString('ascii', 0, 'node.js'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, {}), '');
+assert.equal(rangeBuffer.toString('ascii', 0, NaN), '');
+assert.equal(rangeBuffer.toString('ascii', 0, undefined), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, null), '');
+assert.equal(rangeBuffer.toString('ascii', 0, []), '');
+assert.equal(rangeBuffer.toString('ascii', 0, false), '');
+assert.equal(rangeBuffer.toString('ascii', 0, ''), '');
+
+// but, if end is an integer when coerced, then it will be coerced and used.
+assert.equal(rangeBuffer.toString('ascii', 0, '-1'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, '1'), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, '3'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
+assert.equal(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, '-1.99'), '');
+assert.equal(rangeBuffer.toString('ascii', 0, 1.99), 'a');
+assert.equal(rangeBuffer.toString('ascii', 0, true), 'a');
+
+// try toString() with a object as a encoding
+assert.equal(rangeBuffer.toString({toString: function() {
+  return 'ascii';
+}}), 'abc');
+
+// testing for smart defaults and ability to pass string values as offset
+var writeTest = new Buffer('abcdes');
+writeTest.write('n', 'ascii');
+writeTest.write('o', '1', 'ascii');
+writeTest.write('d', '2', 'ascii');
+writeTest.write('e', 3, 'ascii');
+writeTest.write('j', 4, 'ascii');
+assert.equal(writeTest.toString(), 'nodejs');
+
+// ASCII slice test
+{
+  var asciiString = 'hello world';
+
+  for (var i = 0; i < asciiString.length; i++) {
+    b[i] = asciiString.charCodeAt(i);
+  }
+  var asciiSlice = b.toString('ascii', 0, asciiString.length);
+  assert.equal(asciiString, asciiSlice);
+}
+
+{
+  var asciiString = 'hello world';
+  var offset = 100;
+
+  var written = b.write(asciiString, offset, 'ascii');
+  assert.equal(asciiString.length, written);
+  var asciiSlice = b.toString('ascii', offset, offset + asciiString.length);
+  assert.equal(asciiString, asciiSlice);
+}
+
+{
+  var asciiString = 'hello world';
+  var offset = 100;
+
+  var sliceA = b.slice(offset, offset + asciiString.length);
+  var sliceB = b.slice(offset, offset + asciiString.length);
+  for (var i = 0; i < asciiString.length; i++) {
+    assert.equal(sliceA[i], sliceB[i]);
+  }
+}
+
+// UTF-8 slice test
+
+var utf8String = '¡hέlló wôrld!';
+var offset = 100;
+
+b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
+var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
+assert.equal(utf8String, utf8Slice);
+
+var written = b.write(utf8String, offset, 'utf8');
+assert.equal(Buffer.byteLength(utf8String), written);
+utf8Slice = b.toString('utf8', offset, offset + Buffer.byteLength(utf8String));
+assert.equal(utf8String, utf8Slice);
+
+var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
+var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
+for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
+  assert.equal(sliceA[i], sliceB[i]);
+}
+
+{
+  var slice = b.slice(100, 150);
+  assert.equal(50, slice.length);
+  for (var i = 0; i < 50; i++) {
+    assert.equal(b[100 + i], slice[i]);
+  }
+}
+
+{
+  // make sure only top level parent propagates from allocPool
+  var b = new Buffer(5);
+  var c = b.slice(0, 4);
+  var d = c.slice(0, 2);
+  assert.equal(b.parent, c.parent);
+  assert.equal(b.parent, d.parent);
+}
+
+{
+  // also from a non-pooled instance
+  var b = new SlowBuffer(5);
+  var c = b.slice(0, 4);
+  var d = c.slice(0, 2);
+  assert.equal(c.parent, d.parent);
+}
+
+{
+  // Bug regression test
+  var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
+  var buffer = new Buffer(32);
+  var size = buffer.write(testValue, 0, 'utf8');
+//   console.log('bytes written to buffer: ' + size);
+  var slice = buffer.toString('utf8', 0, size);
+  assert.equal(slice, testValue);
+}
+
+{
+  // Test triple  slice
+  var a = new Buffer(8);
+  for (var i = 0; i < 8; i++) a[i] = i;
+  var b = a.slice(4, 8);
+  assert.equal(4, b[0]);
+  assert.equal(5, b[1]);
+  assert.equal(6, b[2]);
+  assert.equal(7, b[3]);
+  var c = b.slice(2, 4);
+  assert.equal(6, c[0]);
+  assert.equal(7, c[1]);
+}
+
+{
+  var d = new Buffer([23, 42, 255]);
+  assert.equal(d.length, 3);
+  assert.equal(d[0], 23);
+  assert.equal(d[1], 42);
+  assert.equal(d[2], 255);
+  assert.deepStrictEqual(d, new Buffer(d));
+}
+
+{
+  var e = new Buffer('über');
+//   console.error('uber: \'%s\'', e.toString());
+  assert.deepStrictEqual(e, new Buffer([195, 188, 98, 101, 114]));
+}
+
+{
+  var f = new Buffer('über', 'ascii');
+//   console.error('f.length: %d     (should be 4)', f.length);
+  assert.deepStrictEqual(f, new Buffer([252, 98, 101, 114]));
+}
+
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  {
+    var f = new Buffer('über', encoding);
+//     console.error('f.length: %d     (should be 8)', f.length);
+    assert.deepStrictEqual(f, new Buffer([252, 0, 98, 0, 101, 0, 114, 0]));
+  }
+
+  {
+    var f = new Buffer('привет', encoding);
+//     console.error('f.length: %d     (should be 12)', f.length);
+    var expected = new Buffer([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]);
+    assert.deepStrictEqual(f, expected);
+    assert.equal(f.toString(encoding), 'привет');
+  }
+
+  {
+    var f = new Buffer([0, 0, 0, 0, 0]);
+    assert.equal(f.length, 5);
+    var size = f.write('あいうえお', encoding);
+//     console.error('bytes written to buffer: %d     (should be 4)', size);
+    assert.equal(size, 4);
+    assert.deepStrictEqual(f, new Buffer([0x42, 0x30, 0x44, 0x30, 0x00]));
+  }
+});
+
+{
+  var f = new Buffer('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D)
+  assert.equal(f.length, 4);
+  assert.deepStrictEqual(f, new Buffer('3DD84DDC', 'hex'));
+}
+
+
+var arrayIsh = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
+var g = new Buffer(arrayIsh);
+assert.deepStrictEqual(g, new Buffer([0, 1, 2, 3]));
+var strArrayIsh = {0: '0', 1: '1', 2: '2', 3: '3', length: 4};
+g = new Buffer(strArrayIsh);
+assert.deepStrictEqual(g, new Buffer([0, 1, 2, 3]));
+
+
+//
+// Test toString('base64')
+//
+assert.equal('TWFu', (new Buffer('Man')).toString('base64'));
+
+{
+  // test that regular and URL-safe base64 both work
+  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
+  assert.deepStrictEqual(Buffer('//++/++/++//', 'base64'), Buffer(expected));
+  assert.deepStrictEqual(Buffer('__--_--_--__', 'base64'), Buffer(expected));
+}
+
+{
+  // big example
+  var quote = 'Man is distinguished, not only by his reason, but by this ' +
+                'singular passion from other animals, which is a lust ' +
+                'of the mind, that by a perseverance of delight in the ' +
+                'continued and indefatigable generation of knowledge, ' +
+                'exceeds the short vehemence of any carnal pleasure.';
+  var expected = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb' +
+                   '24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlci' +
+                   'BhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQ' +
+                   'gYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu' +
+                   'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
+                   'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
+                   '5hbCBwbGVhc3VyZS4=';
+  assert.equal(expected, (new Buffer(quote)).toString('base64'));
+
+  var b = new Buffer(1024);
+  var bytesWritten = b.write(expected, 0, 'base64');
+  assert.equal(quote.length, bytesWritten);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder ignores whitespace
+  var expectedWhite = expected.slice(0, 60) + ' \n' +
+                        expected.slice(60, 120) + ' \n' +
+                        expected.slice(120, 180) + ' \n' +
+                        expected.slice(180, 240) + ' \n' +
+                        expected.slice(240, 300) + '\n' +
+                        expected.slice(300, 360) + '\n';
+  b = new Buffer(1024);
+  bytesWritten = b.write(expectedWhite, 0, 'base64');
+  assert.equal(quote.length, bytesWritten);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder on the constructor works
+  // even in the presence of whitespace.
+  b = new Buffer(expectedWhite, 'base64');
+  assert.equal(quote.length, b.length);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+
+  // check that the base64 decoder ignores illegal chars
+  var expectedIllegal = expected.slice(0, 60) + ' \x80' +
+                          expected.slice(60, 120) + ' \xff' +
+                          expected.slice(120, 180) + ' \x00' +
+                          expected.slice(180, 240) + ' \x98' +
+                          expected.slice(240, 300) + '\x03' +
+                          expected.slice(300, 360);
+  b = new Buffer(expectedIllegal, 'base64');
+  assert.equal(quote.length, b.length);
+  assert.equal(quote, b.toString('ascii', 0, quote.length));
+}
+
+assert.equal(new Buffer('', 'base64').toString(), '');
+assert.equal(new Buffer('K', 'base64').toString(), '');
+
+// multiple-of-4 with padding
+assert.equal(new Buffer('Kg==', 'base64').toString(), '*');
+assert.equal(new Buffer('Kio=', 'base64').toString(), '**');
+assert.equal(new Buffer('Kioq', 'base64').toString(), '***');
+assert.equal(new Buffer('KioqKg==', 'base64').toString(), '****');
+assert.equal(new Buffer('KioqKio=', 'base64').toString(), '*****');
+assert.equal(new Buffer('KioqKioq', 'base64').toString(), '******');
+assert.equal(new Buffer('KioqKioqKg==', 'base64').toString(), '*******');
+assert.equal(new Buffer('KioqKioqKio=', 'base64').toString(), '********');
+assert.equal(new Buffer('KioqKioqKioq', 'base64').toString(), '*********');
+assert.equal(new Buffer('KioqKioqKioqKg==', 'base64').toString(),
+             '**********');
+assert.equal(new Buffer('KioqKioqKioqKio=', 'base64').toString(),
+             '***********');
+assert.equal(new Buffer('KioqKioqKioqKioq', 'base64').toString(),
+             '************');
+assert.equal(new Buffer('KioqKioqKioqKioqKg==', 'base64').toString(),
+             '*************');
+assert.equal(new Buffer('KioqKioqKioqKioqKio=', 'base64').toString(),
+             '**************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioq', 'base64').toString(),
+             '***************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
+             '****************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
+             '*****************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
+             '******************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKg==', 'base64').toString(),
+             '*******************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKio=', 'base64').toString(),
+             '********************');
+
+// no padding, not a multiple of 4
+assert.equal(new Buffer('Kg', 'base64').toString(), '*');
+assert.equal(new Buffer('Kio', 'base64').toString(), '**');
+assert.equal(new Buffer('KioqKg', 'base64').toString(), '****');
+assert.equal(new Buffer('KioqKio', 'base64').toString(), '*****');
+assert.equal(new Buffer('KioqKioqKg', 'base64').toString(), '*******');
+assert.equal(new Buffer('KioqKioqKio', 'base64').toString(), '********');
+assert.equal(new Buffer('KioqKioqKioqKg', 'base64').toString(), '**********');
+assert.equal(new Buffer('KioqKioqKioqKio', 'base64').toString(), '***********');
+assert.equal(new Buffer('KioqKioqKioqKioqKg', 'base64').toString(),
+             '*************');
+assert.equal(new Buffer('KioqKioqKioqKioqKio', 'base64').toString(),
+             '**************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKg', 'base64').toString(),
+             '****************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKio', 'base64').toString(),
+             '*****************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKg', 'base64').toString(),
+             '*******************');
+assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKio', 'base64').toString(),
+             '********************');
+
+// handle padding graciously, multiple-of-4 or not
+assert.equal(
+  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
+  32
+);
+assert.equal(
+  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
+  32
+);
+assert.equal(
+  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
+  32
+);
+assert.equal(
+  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
+  31
+);
+assert.equal(
+  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
+  31
+);
+assert.equal(
+  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
+  31
+);
+
+// This string encodes single '.' character in UTF-16
+var dot = new Buffer('//4uAA==', 'base64');
+assert.equal(dot[0], 0xff);
+assert.equal(dot[1], 0xfe);
+assert.equal(dot[2], 0x2e);
+assert.equal(dot[3], 0x00);
+assert.equal(dot.toString('base64'), '//4uAA==');
+
+{
+  // Writing base64 at a position > 0 should not mangle the result.
+  //
+  // https://github.com/joyent/node/issues/402
+  var segments = ['TWFkbmVzcz8h', 'IFRoaXM=', 'IGlz', 'IG5vZGUuanMh'];
+  var b = new Buffer(64);
+  var pos = 0;
+
+  for (var i = 0; i < segments.length; ++i) {
+    pos += b.write(segments[i], pos, 'base64');
+  }
+  assert.equal(b.toString('latin1', 0, pos), 'Madness?! This is node.js!');
+  assert.equal(b.toString('binary', 0, pos), 'Madness?! This is node.js!');
+}
+
+// Regression test for https://github.com/nodejs/node/issues/3496.
+// assert.equal(Buffer('=bad'.repeat(1e4), 'base64').length, 0);
+
+{
+  // Creating buffers larger than pool size.
+  var l = Buffer.poolSize + 5;
+  var s = 'h'.repeat(l);
+
+  var b = new Buffer(s);
+
+  for (var i = 0; i < l; i++) {
+    assert.equal('h'.charCodeAt(0), b[i]);
+  }
+
+  var sb = b.toString();
+  assert.equal(sb.length, s.length);
+  assert.equal(sb, s);
+}
+
+{
+  // Single argument slice
+  var b = new Buffer('abcde');
+  assert.equal('bcde', b.slice(1).toString());
+}
+
+// slice(0,0).length === 0
+assert.equal(0, Buffer('hello').slice(0, 0).length);
+
+// test hex toString
+// console.log('Create hex string from buffer');
+var hexb = new Buffer(256);
+for (var i = 0; i < 256; i++) {
+  hexb[i] = i;
+}
+var hexStr = hexb.toString('hex');
+assert.equal(hexStr,
+             '000102030405060708090a0b0c0d0e0f' +
+             '101112131415161718191a1b1c1d1e1f' +
+             '202122232425262728292a2b2c2d2e2f' +
+             '303132333435363738393a3b3c3d3e3f' +
+             '404142434445464748494a4b4c4d4e4f' +
+             '505152535455565758595a5b5c5d5e5f' +
+             '606162636465666768696a6b6c6d6e6f' +
+             '707172737475767778797a7b7c7d7e7f' +
+             '808182838485868788898a8b8c8d8e8f' +
+             '909192939495969798999a9b9c9d9e9f' +
+             'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
+             'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
+             'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
+             'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
+             'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
+             'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
+
+// console.log('Create buffer from hex string');
+var hexb2 = new Buffer(hexStr, 'hex');
+for (var i = 0; i < 256; i++) {
+  assert.equal(hexb2[i], hexb[i]);
+}
+
+// Test single hex character throws TypeError
+// - https://github.com/nodejs/node/issues/6770
+assert.throws(function() {
+  Buffer.from('A', 'hex');
+}, TypeError);
+
+// Test single base64 char encodes as 0
+// assert.strictEqual(Buffer.from('A', 'base64').length, 0);
+
+{
+  // test an invalid slice end.
+//   console.log('Try to slice off the end of the buffer');
+  var b = new Buffer([1, 2, 3, 4, 5]);
+  var b2 = b.toString('hex', 1, 10000);
+  var b3 = b.toString('hex', 1, 5);
+  var b4 = b.toString('hex', 1);
+  assert.equal(b2, b3);
+  assert.equal(b2, b4);
+}
+
+function buildBuffer(data) {
+  if (Array.isArray(data)) {
+    var buffer = Buffer(data.length);
+    data.forEach(function(v, k) {
+      buffer[k] = v;
+    });
+    return buffer;
+  }
+  return null;
+}
+
+var x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);
+
+// console.log(x.inspect());
+assert.equal('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
+
+{
+  var z = x.slice(4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(5, z.length);
+  assert.equal(0x6f, z[0]);
+  assert.equal(0xa3, z[1]);
+  assert.equal(0x62, z[2]);
+  assert.equal(0x61, z[3]);
+  assert.equal(0x72, z[4]);
+}
+
+{
+  var z = x.slice(0);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(z.length, x.length);
+}
+
+{
+  var z = x.slice(0, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(4, z.length);
+  assert.equal(0x81, z[0]);
+  assert.equal(0xa3, z[1]);
+}
+
+{
+  var z = x.slice(0, 9);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(9, z.length);
+}
+
+{
+  var z = x.slice(1, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(3, z.length);
+  assert.equal(0xa3, z[0]);
+}
+
+{
+  var z = x.slice(2, 4);
+//   console.log(z.inspect());
+//   console.log(z.length);
+  assert.equal(2, z.length);
+  assert.equal(0x66, z[0]);
+  assert.equal(0x6f, z[1]);
+}
+
+assert.equal(0, Buffer('hello').slice(0, 0).length);
+
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  var b = new Buffer(10);
+  b.write('あいうえお', encoding);
+  assert.equal(b.toString(encoding), 'あいうえお');
+});
+
+{
+  // latin1 encoding should write only one byte per character.
+  var b = Buffer([0xde, 0xad, 0xbe, 0xef]);
+  var s = String.fromCharCode(0xffff);
+  b.write(s, 0, 'latin1');
+  assert.equal(0xff, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+  s = String.fromCharCode(0xaaee);
+  b.write(s, 0, 'latin1');
+  assert.equal(0xee, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+}
+
+{
+  // Binary encoding should write only one byte per character.
+  var b = Buffer([0xde, 0xad, 0xbe, 0xef]);
+  var s = String.fromCharCode(0xffff);
+  b.write(s, 0, 'binary');
+  assert.equal(0xff, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+  s = String.fromCharCode(0xaaee);
+  b.write(s, 0, 'binary');
+  assert.equal(0xee, b[0]);
+  assert.equal(0xad, b[1]);
+  assert.equal(0xbe, b[2]);
+  assert.equal(0xef, b[3]);
+}
+
+{
+  // #1210 Test UTF-8 string includes null character
+  var buf = new Buffer('\0');
+  assert.equal(buf.length, 1);
+  buf = new Buffer('\0\0');
+  assert.equal(buf.length, 2);
+}
+
+{
+  var buf = new Buffer(2);
+  var written = buf.write(''); // 0byte
+  assert.equal(written, 0);
+  written = buf.write('\0'); // 1byte (v8 adds null terminator)
+  assert.equal(written, 1);
+  written = buf.write('a\0'); // 1byte * 2
+  assert.equal(written, 2);
+  written = buf.write('あ'); // 3bytes
+  assert.equal(written, 0);
+  written = buf.write('\0あ'); // 1byte + 3bytes
+  assert.equal(written, 1);
+  written = buf.write('\0\0あ'); // 1byte * 2 + 3bytes
+  assert.equal(written, 2);
+}
+
+{
+  var buf = new Buffer(10);
+  written = buf.write('あいう'); // 3bytes * 3 (v8 adds null terminator)
+  assert.equal(written, 9);
+  written = buf.write('あいう\0'); // 3bytes * 3 + 1byte
+  assert.equal(written, 10);
+}
+
+{
+  // #243 Test write() with maxLength
+  var buf = new Buffer(4);
+  buf.fill(0xFF);
+  var written = buf.write('abcd', 1, 2, 'utf8');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0xFF);
+
+  buf.fill(0xFF);
+  written = buf.write('abcd', 1, 4);
+//   console.log(buf);
+  assert.equal(written, 3);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0x63);
+
+  buf.fill(0xFF);
+  written = buf.write('abcd', 1, 2, 'utf8');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0x61);
+  assert.equal(buf[2], 0x62);
+  assert.equal(buf[3], 0xFF);
+
+  buf.fill(0xFF);
+  written = buf.write('abcdef', 1, 2, 'hex');
+//   console.log(buf);
+  assert.equal(written, 2);
+  assert.equal(buf[0], 0xFF);
+  assert.equal(buf[1], 0xAB);
+  assert.equal(buf[2], 0xCD);
+  assert.equal(buf[3], 0xFF);
+
+  ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+    buf.fill(0xFF);
+    written = buf.write('abcd', 0, 2, encoding);
+//     console.log(buf);
+    assert.equal(written, 2);
+    assert.equal(buf[0], 0x61);
+    assert.equal(buf[1], 0x00);
+    assert.equal(buf[2], 0xFF);
+    assert.equal(buf[3], 0xFF);
+  });
+}
+
+{
+  // test offset returns are correct
+  var b = new Buffer(16);
+  assert.equal(4, b.writeUInt32LE(0, 0));
+  assert.equal(6, b.writeUInt16LE(0, 4));
+  assert.equal(7, b.writeUInt8(0, 6));
+  assert.equal(8, b.writeInt8(0, 7));
+  assert.equal(16, b.writeDoubleLE(0, 8));
+}
+
+{
+  // test unmatched surrogates not producing invalid utf8 output
+  // ef bf bd = utf-8 representation of unicode replacement character
+  // see https://codereview.chromium.org/121173009/
+  var buf = new Buffer('ab\ud800cd', 'utf8');
+  assert.equal(buf[0], 0x61);
+  assert.equal(buf[1], 0x62);
+  assert.equal(buf[2], 0xef);
+  assert.equal(buf[3], 0xbf);
+  assert.equal(buf[4], 0xbd);
+  assert.equal(buf[5], 0x63);
+  assert.equal(buf[6], 0x64);
+}
+
+{
+  // test for buffer overrun
+  var buf = new Buffer([0, 0, 0, 0, 0]); // length: 5
+  var sub = buf.slice(0, 4);         // length: 4
+  written = sub.write('12345', 'latin1');
+  assert.equal(written, 4);
+  assert.equal(buf[4], 0);
+  written = sub.write('12345', 'binary');
+  assert.equal(written, 4);
+  assert.equal(buf[4], 0);
+}
+
+// Check for fractional length args, junk length args, etc.
+// https://github.com/joyent/node/issues/1758
+
+// Call .fill() first, stops valgrind warning about uninitialized memory reads.
+Buffer(3.3).fill().toString(); // throws bad argument error in commit 43cb4ec
+assert.equal(Buffer(NaN).length, 0);
+assert.equal(Buffer(3.3).length, 3);
+assert.equal(Buffer({length: 3.3}).length, 3);
+assert.equal(Buffer({length: 'BAM'}).length, 0);
+
+// Make sure that strings are not coerced to numbers.
+assert.equal(Buffer('99').length, 2);
+assert.equal(Buffer('13.37').length, 5);
+
+// Ensure that the length argument is respected.
+'ascii utf8 hex base64 latin1 binary'.split(' ').forEach(function(enc) {
+  assert.equal(Buffer(1).write('aaaaaa', 0, 1, enc), 1);
+});
+
+{
+  // Regression test, guard against buffer overrun in the base64 decoder.
+  var a = Buffer(3);
+  var b = Buffer('xxx');
+  a.write('aaaaaaaa', 'base64');
+  assert.equal(b.toString(), 'xxx');
+}
+
+// issue GH-3416
+Buffer(Buffer(0), 0, 0);
+
+[ 'hex',
+  'utf8',
+  'utf-8',
+  'ascii',
+  'latin1',
+  'binary',
+  'base64',
+  'ucs2',
+  'ucs-2',
+  'utf16le',
+  'utf-16le' ].forEach(function(enc) {
+    assert.equal(Buffer.isEncoding(enc), true);
+  });
+
+[ 'utf9',
+  'utf-7',
+  'Unicode-FTW',
+  'new gnu gun' ].forEach(function(enc) {
+    assert.equal(Buffer.isEncoding(enc), false);
+  });
+
+
+// GH-5110
+{
+  var buffer = new Buffer('test');
+  var string = JSON.stringify(buffer);
+
+  assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
+
+  assert.deepStrictEqual(buffer, JSON.parse(string, function(key, value) {
+    return value && value.type === 'Buffer'
+      ? new Buffer(value.data)
+      : value;
+  }));
+}
+
+// issue GH-7849
+{
+  var buf = new Buffer('test');
+  var json = JSON.stringify(buf);
+  var obj = JSON.parse(json);
+  var copy = new Buffer(obj);
+
+  assert(buf.equals(copy));
+}
+
+// issue GH-4331
+assert.throws(function() {
+  Buffer(0xFFFFFFFF);
+}, RangeError);
+assert.throws(function() {
+  Buffer(0xFFFFFFFFF);
+}, RangeError);
+
+// issue GH-5587
+assert.throws(function() {
+  var buf = new Buffer(8);
+  buf.writeFloatLE(0, 5);
+}, RangeError);
+assert.throws(function() {
+  var buf = new Buffer(16);
+  buf.writeDoubleLE(0, 9);
+}, RangeError);
+
+
+// attempt to overflow buffers, similar to previous bug in array buffers
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.readFloatLE(0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.writeFloatLE(0.0, 0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.readFloatLE(0xffffffff);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.writeFloatLE(0.0, 0xffffffff);
+}, RangeError);
+
+
+// ensure negative values can't get past offset
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.readFloatLE(-1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.writeFloatLE(0.0, -1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.readFloatLE(-1);
+}, RangeError);
+
+assert.throws(function() {
+  var buf = Buffer(8);
+  buf.writeFloatLE(0.0, -1);
+}, RangeError);
+
+// offset checks
+{
+  var buf = new Buffer(0);
+
+  assert.throws(function() { buf.readUInt8(0); }, RangeError);
+  assert.throws(function() { buf.readInt8(0); }, RangeError);
+}
+
+{
+  var buf = new Buffer([0xFF]);
+
+  assert.equal(buf.readUInt8(0), 255);
+  assert.equal(buf.readInt8(0), -1);
+}
+
+[16, 32].forEach(function(bits) {
+  var buf = new Buffer(bits / 8 - 1);
+
+  assert.throws(function() { buf['readUInt' + bits + 'BE'](0); },
+                RangeError,
+                'readUInt' + bits + 'BE');
+
+  assert.throws(function() { buf['readUInt' + bits + 'LE'](0); },
+                RangeError,
+                'readUInt' + bits + 'LE');
+
+  assert.throws(function() { buf['readInt' + bits + 'BE'](0); },
+                RangeError,
+                'readInt' + bits + 'BE()');
+
+  assert.throws(function() { buf['readInt' + bits + 'LE'](0); },
+                RangeError,
+                'readInt' + bits + 'LE()');
+});
+
+[16, 32].forEach(function(bits) {
+  var buf = new Buffer([0xFF, 0xFF, 0xFF, 0xFF]);
+
+  assert.equal(buf['readUInt' + bits + 'BE'](0),
+                (0xFFFFFFFF >>> (32 - bits)));
+
+  assert.equal(buf['readUInt' + bits + 'LE'](0),
+                (0xFFFFFFFF >>> (32 - bits)));
+
+  assert.equal(buf['readInt' + bits + 'BE'](0),
+                (0xFFFFFFFF >> (32 - bits)));
+
+  assert.equal(buf['readInt' + bits + 'LE'](0),
+                (0xFFFFFFFF >> (32 - bits)));
+});
+
+// test for common read(U)IntLE/BE
+{
+  var buf = new Buffer([0x01, 0x02, 0x03, 0x04, 0x05, 0x06]);
+
+  assert.strictEqual(buf.readUIntLE(0, 1), 0x01);
+  assert.strictEqual(buf.readUIntBE(0, 1), 0x01);
+  assert.strictEqual(buf.readUIntLE(0, 3), 0x030201);
+  assert.strictEqual(buf.readUIntBE(0, 3), 0x010203);
+  assert.strictEqual(buf.readUIntLE(0, 5), 0x0504030201);
+  assert.strictEqual(buf.readUIntBE(0, 5), 0x0102030405);
+  assert.strictEqual(buf.readUIntLE(0, 6), 0x060504030201);
+  assert.strictEqual(buf.readUIntBE(0, 6), 0x010203040506);
+  assert.strictEqual(buf.readIntLE(0, 1), 0x01);
+  assert.strictEqual(buf.readIntBE(0, 1), 0x01);
+  assert.strictEqual(buf.readIntLE(0, 3), 0x030201);
+  assert.strictEqual(buf.readIntBE(0, 3), 0x010203);
+  assert.strictEqual(buf.readIntLE(0, 5), 0x0504030201);
+  assert.strictEqual(buf.readIntBE(0, 5), 0x0102030405);
+  assert.strictEqual(buf.readIntLE(0, 6), 0x060504030201);
+  assert.strictEqual(buf.readIntBE(0, 6), 0x010203040506);
+}
+
+// test for common write(U)IntLE/BE
+{
+  var buf = Buffer(3);
+  buf.writeUIntLE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
+  assert.equal(buf.readUIntLE(0, 3), 0x123456);
+
+  buf = Buffer(3);
+  buf.writeUIntBE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
+  assert.equal(buf.readUIntBE(0, 3), 0x123456);
+
+  buf = Buffer(3);
+  buf.writeIntLE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
+  assert.equal(buf.readIntLE(0, 3), 0x123456);
+
+  buf = Buffer(3);
+  buf.writeIntBE(0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
+  assert.equal(buf.readIntBE(0, 3), 0x123456);
+
+  buf = Buffer(3);
+  buf.writeIntLE(-0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]);
+  assert.equal(buf.readIntLE(0, 3), -0x123456);
+
+  buf = Buffer(3);
+  buf.writeIntBE(-0x123456, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]);
+  assert.equal(buf.readIntBE(0, 3), -0x123456);
+
+  buf = Buffer(3);
+  buf.writeIntLE(-0x123400, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]);
+  assert.equal(buf.readIntLE(0, 3), -0x123400);
+
+  buf = Buffer(3);
+  buf.writeIntBE(-0x123400, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]);
+  assert.equal(buf.readIntBE(0, 3), -0x123400);
+
+  buf = Buffer(3);
+  buf.writeIntLE(-0x120000, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]);
+  assert.equal(buf.readIntLE(0, 3), -0x120000);
+
+  buf = Buffer(3);
+  buf.writeIntBE(-0x120000, 0, 3);
+  assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]);
+  assert.equal(buf.readIntBE(0, 3), -0x120000);
+
+  buf = Buffer(5);
+  buf.writeUIntLE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
+  assert.equal(buf.readUIntLE(0, 5), 0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeUIntBE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
+  assert.equal(buf.readUIntBE(0, 5), 0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeIntLE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
+  assert.equal(buf.readIntLE(0, 5), 0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeIntBE(0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
+  assert.equal(buf.readIntBE(0, 5), 0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeIntLE(-0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]);
+  assert.equal(buf.readIntLE(0, 5), -0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeIntBE(-0x1234567890, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]);
+  assert.equal(buf.readIntBE(0, 5), -0x1234567890);
+
+  buf = Buffer(5);
+  buf.writeIntLE(-0x0012000000, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]);
+  assert.equal(buf.readIntLE(0, 5), -0x0012000000);
+
+  buf = Buffer(5);
+  buf.writeIntBE(-0x0012000000, 0, 5);
+  assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]);
+  assert.equal(buf.readIntBE(0, 5), -0x0012000000);
+}
+
+// test Buffer slice
+{
+  var buf = new Buffer('0123456789');
+  assert.equal(buf.slice(-10, 10), '0123456789');
+  assert.equal(buf.slice(-20, 10), '0123456789');
+  assert.equal(buf.slice(-20, -10), '');
+  assert.equal(buf.slice(), '0123456789');
+  assert.equal(buf.slice(0), '0123456789');
+  assert.equal(buf.slice(0, 0), '');
+  assert.equal(buf.slice(undefined), '0123456789');
+  assert.equal(buf.slice('foobar'), '0123456789');
+  assert.equal(buf.slice(undefined, undefined), '0123456789');
+
+  assert.equal(buf.slice(2), '23456789');
+  assert.equal(buf.slice(5), '56789');
+  assert.equal(buf.slice(10), '');
+  assert.equal(buf.slice(5, 8), '567');
+  assert.equal(buf.slice(8, -1), '8');
+  assert.equal(buf.slice(-10), '0123456789');
+  assert.equal(buf.slice(0, -9), '0');
+  assert.equal(buf.slice(0, -10), '');
+  assert.equal(buf.slice(0, -1), '012345678');
+  assert.equal(buf.slice(2, -2), '234567');
+  assert.equal(buf.slice(0, 65536), '0123456789');
+  assert.equal(buf.slice(65536, 0), '');
+  assert.equal(buf.slice(-5, -8), '');
+  assert.equal(buf.slice(-5, -3), '56');
+  assert.equal(buf.slice(-10, 10), '0123456789');
+  for (var i = 0, s = buf.toString(); i < buf.length; ++i) {
+    assert.equal(buf.slice(i), s.slice(i));
+    assert.equal(buf.slice(0, i), s.slice(0, i));
+    assert.equal(buf.slice(-i), s.slice(-i));
+    assert.equal(buf.slice(0, -i), s.slice(0, -i));
+  }
+
+  var utf16Buf = new Buffer('0123456789', 'utf16le');
+  assert.deepStrictEqual(utf16Buf.slice(0, 6), Buffer('012', 'utf16le'));
+
+  assert.equal(buf.slice('0', '1'), '0');
+  assert.equal(buf.slice('-5', '10'), '56789');
+  assert.equal(buf.slice('-10', '10'), '0123456789');
+  assert.equal(buf.slice('-10', '-5'), '01234');
+  assert.equal(buf.slice('-10', '-0'), '');
+  assert.equal(buf.slice('111'), '');
+  assert.equal(buf.slice('0', '-111'), '');
+
+  // try to slice a zero length Buffer
+  // see https://github.com/joyent/node/issues/5881
+  SlowBuffer(0).slice(0, 1);
+}
+
+// Regression test for #5482: should throw but not assert in C++ land.
+assert.throws(function() {
+  Buffer('', 'buffer');
+}, TypeError);
+
+// Regression test for #6111. Constructing a buffer from another buffer
+// should a) work, and b) not corrupt the source buffer.
+{
+  var a = [0];
+  for (var i = 0; i < 7; ++i) a = a.concat(a);
+  a = a.map(function(_, i) { return i; });
+  var b = Buffer(a);
+  var c = Buffer(b);
+  assert.strictEqual(b.length, a.length);
+  assert.strictEqual(c.length, a.length);
+  for (var i = 0, k = a.length; i < k; ++i) {
+    assert.strictEqual(a[i], i);
+    assert.strictEqual(b[i], i);
+    assert.strictEqual(c[i], i);
+  }
+}
+
+
+assert.throws(function() {
+  new Buffer((-1 >>> 0) + 1);
+}, RangeError);
+
+assert.throws(function() {
+  SlowBuffer((-1 >>> 0) + 1);
+}, RangeError);
+
+if (common.hasCrypto) {
+  // Test truncation after decode
+  // var crypto = require('crypto');
+
+  var b1 = new Buffer('YW55=======', 'base64');
+  var b2 = new Buffer('YW55', 'base64');
+
+  assert.equal(
+    1 /*crypto.createHash('sha1').update(b1).digest('hex')*/,
+    1 /*crypto.createHash('sha1').update(b2).digest('hex')*/
+  );
+} else {
+  common.skip('missing crypto');
+}
+
+// Test Compare
+{
+  var b = new Buffer(1).fill('a');
+  var c = new Buffer(1).fill('c');
+  var d = new Buffer(2).fill('aa');
+
+  assert.equal(b.compare(c), -1);
+  assert.equal(c.compare(d), 1);
+  assert.equal(d.compare(b), 1);
+  assert.equal(b.compare(d), -1);
+  assert.equal(b.compare(b), 0);
+
+  assert.equal(Buffer.compare(b, c), -1);
+  assert.equal(Buffer.compare(c, d), 1);
+  assert.equal(Buffer.compare(d, b), 1);
+  assert.equal(Buffer.compare(b, d), -1);
+  assert.equal(Buffer.compare(c, c), 0);
+
+  assert.equal(Buffer.compare(Buffer(0), Buffer(0)), 0);
+  assert.equal(Buffer.compare(Buffer(0), Buffer(1)), -1);
+  assert.equal(Buffer.compare(Buffer(1), Buffer(0)), 1);
+}
+
+assert.throws(function() {
+  var b = Buffer(1);
+  Buffer.compare(b, 'abc');
+});
+
+assert.throws(function() {
+  var b = Buffer(1);
+  Buffer.compare('abc', b);
+});
+
+assert.throws(function() {
+  var b = Buffer(1);
+  b.compare('abc');
+});
+
+// Test Equals
+{
+  var b = new Buffer(5).fill('abcdf');
+  var c = new Buffer(5).fill('abcdf');
+  var d = new Buffer(5).fill('abcde');
+  var e = new Buffer(6).fill('abcdef');
+
+  assert.ok(b.equals(c));
+  assert.ok(!c.equals(d));
+  assert.ok(!d.equals(e));
+  assert.ok(d.equals(d));
+}
+
+assert.throws(function() {
+  var b = Buffer(1);
+  b.equals('abc');
+});
+
+// Regression test for https://github.com/nodejs/node/issues/649.
+assert.throws(function() { Buffer(1422561062959).toString('utf8'); });
+
+var ps = Buffer.poolSize;
+Buffer.poolSize = 0;
+assert.equal(Buffer(1).parent, undefined);
+Buffer.poolSize = ps;
+
+// Test Buffer.copy() segfault
+assert.throws(function() {
+  Buffer(10).copy();
+});
+
+var regErrorMsg = new RegExp('First argument must be a string, Buffer, ' +
+                               'ArrayBuffer, Array, or array-like object.');
+
+assert.throws(function() {
+  new Buffer();
+}, regErrorMsg);
+
+assert.throws(function() {
+  new Buffer(null);
+}, regErrorMsg);
+
+
+// Test prototype getters don't throw
+assert.equal(Buffer.prototype.parent, undefined);
+assert.equal(Buffer.prototype.offset, undefined);
+assert.equal(SlowBuffer.prototype.parent, undefined);
+assert.equal(SlowBuffer.prototype.offset, undefined);
+
+{
+  // Test that large negative Buffer length inputs don't affect the pool offset.
+  // Use the fromArrayLike() variant here because it's more lenient
+  // about its input and passes the length directly to allocate().
+  assert.deepStrictEqual(Buffer({ length: -Buffer.poolSize }), Buffer.from(''));
+  assert.deepStrictEqual(Buffer({ length: -100 }), Buffer.from(''));
+
+  // Check pool offset after that by trying to write string into the pool.
+  assert.doesNotThrow(() => Buffer.from('abc'));
+}
+
+
+// Test failed or zero-sized Buffer allocations not affecting typed arrays
+{
+  var zeroArray = new Uint32Array(10).fill(0);
+  var sizes = [1e10, 0, 0.1, -1, 'a', undefined, null, NaN];
+  var allocators = [
+    Buffer,
+    SlowBuffer,
+    Buffer.alloc,
+    Buffer.allocUnsafe,
+    Buffer.allocUnsafeSlow
+  ];
+  for (var allocator of allocators) {
+    for (var size of sizes) {
+      try {
+        allocator(size);
+      } catch (e) {
+        assert.deepStrictEqual(new Uint32Array(10), zeroArray);
+      }
+    }
+  }
+}
+
+// Test that large negative Buffer length inputs throw errors.
+assert.throws(() => Buffer(-Buffer.poolSize),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer(-100),
+              '"size" argument must not be negative');
+assert.throws(() => Buffer(-1),
+              '"size" argument must not be negative');
+
diff --git a/node_modules/buffer/test/slice.js b/node_modules/buffer/test/slice.js
new file mode 100644
index 00000000..25c111c8
--- /dev/null
+++ b/node_modules/buffer/test/slice.js
@@ -0,0 +1,37 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('modifying buffer created by .slice() modifies original memory', function (t) {
+  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
+
+  var buf1 = new B(26)
+  for (var i = 0; i < 26; i++) {
+    buf1[i] = i + 97 // 97 is ASCII a
+  }
+
+  var buf2 = buf1.slice(0, 3)
+  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
+
+  buf2[0] = '!'.charCodeAt(0)
+  t.equal(buf1.toString('ascii', 0, buf2.length), '!bc')
+
+  t.end()
+})
+
+test('modifying parent buffer modifies .slice() buffer\'s memory', function (t) {
+  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
+
+  var buf1 = new B(26)
+  for (var i = 0; i < 26; i++) {
+    buf1[i] = i + 97 // 97 is ASCII a
+  }
+
+  var buf2 = buf1.slice(0, 3)
+  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
+
+  buf1[0] = '!'.charCodeAt(0)
+  t.equal(buf2.toString('ascii', 0, buf2.length), '!bc')
+
+  t.end()
+})
diff --git a/node_modules/buffer/test/static.js b/node_modules/buffer/test/static.js
new file mode 100644
index 00000000..4de900bc
--- /dev/null
+++ b/node_modules/buffer/test/static.js
@@ -0,0 +1,17 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('Buffer.isEncoding', function (t) {
+  t.equal(B.isEncoding('HEX'), true)
+  t.equal(B.isEncoding('hex'), true)
+  t.equal(B.isEncoding('bad'), false)
+  t.end()
+})
+
+test('Buffer.isBuffer', function (t) {
+  t.equal(B.isBuffer(new B('hey', 'utf8')), true)
+  t.equal(B.isBuffer(new B([1, 2, 3], 'utf8')), true)
+  t.equal(B.isBuffer('hey'), false)
+  t.end()
+})
diff --git a/node_modules/buffer/test/to-string.js b/node_modules/buffer/test/to-string.js
new file mode 100644
index 00000000..2950d4d0
--- /dev/null
+++ b/node_modules/buffer/test/to-string.js
@@ -0,0 +1,233 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('utf8 buffer to base64', function (t) {
+  t.equal(
+    new B('Ձאab', 'utf8').toString('base64'),
+    '1YHXkGFi'
+  )
+  t.end()
+})
+
+test('utf8 buffer to hex', function (t) {
+  t.equal(
+    new B('Ձאab', 'utf8').toString('hex'),
+    'd581d7906162'
+  )
+  t.end()
+})
+
+test('utf8 to utf8', function (t) {
+  t.equal(
+    new B('öäüõÖÄÜÕ', 'utf8').toString('utf8'),
+    'öäüõÖÄÜÕ'
+  )
+  t.end()
+})
+
+test('utf16le to utf16', function (t) {
+  t.equal(
+    new B(new B('abcd', 'utf8').toString('utf16le'), 'utf16le').toString('utf8'),
+    'abcd'
+  )
+  t.end()
+})
+
+test('utf16le to hex', function (t) {
+  t.equal(
+    new B('abcd', 'utf16le').toString('hex'),
+    '6100620063006400'
+  )
+  t.end()
+})
+
+test('ascii buffer to base64', function (t) {
+  t.equal(
+    new B('123456!@#$%^', 'ascii').toString('base64'),
+    'MTIzNDU2IUAjJCVe'
+  )
+  t.end()
+})
+
+test('ascii buffer to hex', function (t) {
+  t.equal(
+    new B('123456!@#$%^', 'ascii').toString('hex'),
+    '31323334353621402324255e'
+  )
+  t.end()
+})
+
+test('base64 buffer to utf8', function (t) {
+  t.equal(
+    new B('1YHXkGFi', 'base64').toString('utf8'),
+    'Ձאab'
+  )
+  t.end()
+})
+
+test('hex buffer to utf8', function (t) {
+  t.equal(
+    new B('d581d7906162', 'hex').toString('utf8'),
+    'Ձאab'
+  )
+  t.end()
+})
+
+test('base64 buffer to ascii', function (t) {
+  t.equal(
+    new B('MTIzNDU2IUAjJCVe', 'base64').toString('ascii'),
+    '123456!@#$%^'
+  )
+  t.end()
+})
+
+test('hex buffer to ascii', function (t) {
+  t.equal(
+    new B('31323334353621402324255e', 'hex').toString('ascii'),
+    '123456!@#$%^'
+  )
+  t.end()
+})
+
+test('base64 buffer to binary', function (t) {
+  t.equal(
+    new B('MTIzNDU2IUAjJCVe', 'base64').toString('binary'),
+    '123456!@#$%^'
+  )
+  t.end()
+})
+
+test('hex buffer to binary', function (t) {
+  t.equal(
+    new B('31323334353621402324255e', 'hex').toString('binary'),
+    '123456!@#$%^'
+  )
+  t.end()
+})
+
+test('utf8 to binary', function (t) {
+  /* jshint -W100 */
+  t.equal(
+    new B('öäüõÖÄÜÕ', 'utf8').toString('binary'),
+    'öäüõÖÄÜÕ'
+  )
+  /* jshint +W100 */
+  t.end()
+})
+
+test('utf8 replacement chars (1 byte sequence)', function (t) {
+  t.equal(
+    new B([ 0x80 ]).toString(),
+    '\uFFFD'
+  )
+  t.equal(
+    new B([ 0x7F ]).toString(),
+    '\u007F'
+  )
+  t.end()
+})
+
+test('utf8 replacement chars (2 byte sequences)', function (t) {
+  t.equal(
+    new B([ 0xC7 ]).toString(),
+    '\uFFFD'
+  )
+  t.equal(
+    new B([ 0xC7, 0xB1 ]).toString(),
+    '\u01F1'
+  )
+  t.equal(
+    new B([ 0xC0, 0xB1 ]).toString(),
+    '\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xC1, 0xB1 ]).toString(),
+    '\uFFFD\uFFFD'
+  )
+  t.end()
+})
+
+test('utf8 replacement chars (3 byte sequences)', function (t) {
+  t.equal(
+    new B([ 0xE0 ]).toString(),
+    '\uFFFD'
+  )
+  t.equal(
+    new B([ 0xE0, 0xAC ]).toString(),
+    '\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xE0, 0xAC, 0xB9 ]).toString(),
+    '\u0B39'
+  )
+  t.end()
+})
+
+test('utf8 replacement chars (4 byte sequences)', function (t) {
+  t.equal(
+    new B([ 0xF4 ]).toString(),
+    '\uFFFD'
+  )
+  t.equal(
+    new B([ 0xF4, 0x8F ]).toString(),
+    '\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xF4, 0x8F, 0x80 ]).toString(),
+    '\uFFFD\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xF4, 0x8F, 0x80, 0x84 ]).toString(),
+    '\uDBFC\uDC04'
+  )
+  t.equal(
+    new B([ 0xFF ]).toString(),
+    '\uFFFD'
+  )
+  t.equal(
+    new B([ 0xFF, 0x8F, 0x80, 0x84 ]).toString(),
+    '\uFFFD\uFFFD\uFFFD\uFFFD'
+  )
+  t.end()
+})
+
+test('utf8 replacement chars on 256 random bytes', function (t) {
+  t.equal(
+    new B([ 152, 130, 206, 23, 243, 238, 197, 44, 27, 86, 208, 36, 163, 184, 164, 21, 94, 242, 178, 46, 25, 26, 253, 178, 72, 147, 207, 112, 236, 68, 179, 190, 29, 83, 239, 147, 125, 55, 143, 19, 157, 68, 157, 58, 212, 224, 150, 39, 128, 24, 94, 225, 120, 121, 75, 192, 112, 19, 184, 142, 203, 36, 43, 85, 26, 147, 227, 139, 242, 186, 57, 78, 11, 102, 136, 117, 180, 210, 241, 92, 3, 215, 54, 167, 249, 1, 44, 225, 146, 86, 2, 42, 68, 21, 47, 238, 204, 153, 216, 252, 183, 66, 222, 255, 15, 202, 16, 51, 134, 1, 17, 19, 209, 76, 238, 38, 76, 19, 7, 103, 249, 5, 107, 137, 64, 62, 170, 57, 16, 85, 179, 193, 97, 86, 166, 196, 36, 148, 138, 193, 210, 69, 187, 38, 242, 97, 195, 219, 252, 244, 38, 1, 197, 18, 31, 246, 53, 47, 134, 52, 105, 72, 43, 239, 128, 203, 73, 93, 199, 75, 222, 220, 166, 34, 63, 236, 11, 212, 76, 243, 171, 110, 78, 39, 205, 204, 6, 177, 233, 212, 243, 0, 33, 41, 122, 118, 92, 252, 0, 157, 108, 120, 70, 137, 100, 223, 243, 171, 232, 66, 126, 111, 142, 33, 3, 39, 117, 27, 107, 54, 1, 217, 227, 132, 13, 166, 3, 73, 53, 127, 225, 236, 134, 219, 98, 214, 125, 148, 24, 64, 142, 111, 231, 194, 42, 150, 185, 10, 182, 163, 244, 19, 4, 59, 135, 16 ]).toString(),
+    '\uFFFD\uFFFD\uFFFD\u0017\uFFFD\uFFFD\uFFFD\u002C\u001B\u0056\uFFFD\u0024\uFFFD\uFFFD\uFFFD\u0015\u005E\uFFFD\uFFFD\u002E\u0019\u001A\uFFFD\uFFFD\u0048\uFFFD\uFFFD\u0070\uFFFD\u0044\uFFFD\uFFFD\u001D\u0053\uFFFD\uFFFD\u007D\u0037\uFFFD\u0013\uFFFD\u0044\uFFFD\u003A\uFFFD\uFFFD\uFFFD\u0027\uFFFD\u0018\u005E\uFFFD\u0078\u0079\u004B\uFFFD\u0070\u0013\uFFFD\uFFFD\uFFFD\u0024\u002B\u0055\u001A\uFFFD\uFFFD\uFFFD\uFFFD\uFFFD\u0039\u004E\u000B\u0066\uFFFD\u0075\uFFFD\uFFFD\uFFFD\u005C\u0003\uFFFD\u0036\uFFFD\uFFFD\u0001\u002C\uFFFD\uFFFD\u0056\u0002\u002A\u0044\u0015\u002F\uFFFD\u0319\uFFFD\uFFFD\uFFFD\u0042\uFFFD\uFFFD\u000F\uFFFD\u0010\u0033\uFFFD\u0001\u0011\u0013\uFFFD\u004C\uFFFD\u0026\u004C\u0013\u0007\u0067\uFFFD\u0005\u006B\uFFFD\u0040\u003E\uFFFD\u0039\u0010\u0055\uFFFD\uFFFD\u0061\u0056\uFFFD\uFFFD\u0024\uFFFD\uFFFD\uFFFD\uFFFD\u0045\uFFFD\u0026\uFFFD\u0061\uFFFD\uFFFD\uFFFD\uFFFD\u0026\u0001\uFFFD\u0012\u001F\uFFFD\u0035\u002F\uFFFD\u0034\u0069\u0048\u002B\uFFFD\uFFFD\uFFFD\u0049\u005D\uFFFD\u004B\uFFFD\u0726\u0022\u003F\uFFFD\u000B\uFFFD\u004C\uFFFD\uFFFD\u006E\u004E\u0027\uFFFD\uFFFD\u0006\uFFFD\uFFFD\uFFFD\uFFFD\u0000\u0021\u0029\u007A\u0076\u005C\uFFFD\u0000\uFFFD\u006C\u0078\u0046\uFFFD\u0064\uFFFD\uFFFD\uFFFD\uFFFD\u0042\u007E\u006F\uFFFD\u0021\u0003\u0027\u0075\u001B\u006B\u0036\u0001\uFFFD\uFFFD\uFFFD\u000D\uFFFD\u0003\u0049\u0035\u007F\uFFFD\uFFFD\uFFFD\uFFFD\u0062\uFFFD\u007D\uFFFD\u0018\u0040\uFFFD\u006F\uFFFD\uFFFD\u002A\uFFFD\uFFFD\u000A\uFFFD\uFFFD\uFFFD\u0013\u0004\u003B\uFFFD\u0010'
+  )
+  t.end()
+})
+
+test('utf8 replacement chars for anything in the surrogate pair range', function (t) {
+  t.equal(
+    new B([ 0xED, 0x9F, 0xBF ]).toString(),
+    '\uD7FF'
+  )
+  t.equal(
+    new B([ 0xED, 0xA0, 0x80 ]).toString(),
+    '\uFFFD\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xED, 0xBE, 0x8B ]).toString(),
+    '\uFFFD\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xED, 0xBF, 0xBF ]).toString(),
+    '\uFFFD\uFFFD\uFFFD'
+  )
+  t.equal(
+    new B([ 0xEE, 0x80, 0x80 ]).toString(),
+    '\uE000'
+  )
+  t.end()
+})
+
+test('utf8 don\'t replace the replacement char', function (t) {
+  t.equal(
+    new B('\uFFFD').toString(),
+    '\uFFFD'
+  )
+  t.end()
+})
diff --git a/node_modules/buffer/test/write.js b/node_modules/buffer/test/write.js
new file mode 100644
index 00000000..58418063
--- /dev/null
+++ b/node_modules/buffer/test/write.js
@@ -0,0 +1,131 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+var isnan = require('is-nan')
+
+test('buffer.write string should get parsed as number', function (t) {
+  var b = new B(64)
+  b.writeUInt16LE('1003', 0)
+  t.equal(b.readUInt16LE(0), 1003)
+  t.end()
+})
+
+test('buffer.writeUInt8 a fractional number will get Math.floored', function (t) {
+  // Some extra work is necessary to make this test pass with the Object implementation
+
+  var b = new B(1)
+  b.writeInt8(5.5, 0)
+  t.equal(b[0], 5)
+  t.end()
+})
+
+test('writeUint8 with a negative number throws', function (t) {
+  var buf = new B(1)
+
+  t.throws(function () {
+    buf.writeUInt8(-3, 0)
+  })
+
+  t.end()
+})
+
+test('hex of write{Uint,Int}{8,16,32}{LE,BE}', function (t) {
+  t.plan(2 * (2 * 2 * 2 + 2))
+  var hex = [
+    '03', '0300', '0003', '03000000', '00000003',
+    'fd', 'fdff', 'fffd', 'fdffffff', 'fffffffd'
+  ]
+  var reads = [ 3, 3, 3, 3, 3, -3, -3, -3, -3, -3 ]
+  var xs = ['UInt', 'Int']
+  var ys = [8, 16, 32]
+  for (var i = 0; i < xs.length; i++) {
+    var x = xs[i]
+    for (var j = 0; j < ys.length; j++) {
+      var y = ys[j]
+      var endianesses = (y === 8) ? [''] : ['LE', 'BE']
+      for (var k = 0; k < endianesses.length; k++) {
+        var z = endianesses[k]
+
+        var v1 = new B(y / 8)
+        var writefn = 'write' + x + y + z
+        var val = (x === 'Int') ? -3 : 3
+        v1[writefn](val, 0)
+        t.equal(
+          v1.toString('hex'),
+          hex.shift()
+        )
+        var readfn = 'read' + x + y + z
+        t.equal(
+          v1[readfn](0),
+          reads.shift()
+        )
+      }
+    }
+  }
+  t.end()
+})
+
+test('hex of write{Uint,Int}{8,16,32}{LE,BE} with overflow', function (t) {
+  if (!B.TYPED_ARRAY_SUPPORT) {
+    t.pass('object impl: skipping overflow test')
+    t.end()
+    return
+  }
+
+  t.plan(3 * (2 * 2 * 2 + 2))
+  var hex = [
+    '', '03', '00', '030000', '000000',
+    '', 'fd', 'ff', 'fdffff', 'ffffff'
+  ]
+  var reads = [
+    undefined, 3, 0, NaN, 0,
+    undefined, 253, -256, 16777213, -256
+  ]
+  var xs = ['UInt', 'Int']
+  var ys = [8, 16, 32]
+  for (var i = 0; i < xs.length; i++) {
+    var x = xs[i]
+    for (var j = 0; j < ys.length; j++) {
+      var y = ys[j]
+      var endianesses = (y === 8) ? [''] : ['LE', 'BE']
+      for (var k = 0; k < endianesses.length; k++) {
+        var z = endianesses[k]
+
+        var v1 = new B(y / 8 - 1)
+        var next = new B(4)
+        next.writeUInt32BE(0, 0)
+        var writefn = 'write' + x + y + z
+        var val = (x === 'Int') ? -3 : 3
+        v1[writefn](val, 0, true)
+        t.equal(
+          v1.toString('hex'),
+          hex.shift()
+        )
+        // check that nothing leaked to next buffer.
+        t.equal(next.readUInt32BE(0), 0)
+        // check that no bytes are read from next buffer.
+        next.writeInt32BE(~0, 0)
+        var readfn = 'read' + x + y + z
+        var r = reads.shift()
+        if (isnan(r)) t.pass('equal')
+        else t.equal(v1[readfn](0, true), r)
+      }
+    }
+  }
+  t.end()
+})
+test('large values do not improperly roll over (ref #80)', function (t) {
+  var nums = [-25589992, -633756690, -898146932]
+  var out = new B(12)
+  out.fill(0)
+  out.writeInt32BE(nums[0], 0)
+  var newNum = out.readInt32BE(0)
+  t.equal(nums[0], newNum)
+  out.writeInt32BE(nums[1], 4)
+  newNum = out.readInt32BE(4)
+  t.equal(nums[1], newNum)
+  out.writeInt32BE(nums[2], 8)
+  newNum = out.readInt32BE(8)
+  t.equal(nums[2], newNum)
+  t.end()
+})
diff --git a/node_modules/buffer/test/write_infinity.js b/node_modules/buffer/test/write_infinity.js
new file mode 100644
index 00000000..17d606a1
--- /dev/null
+++ b/node_modules/buffer/test/write_infinity.js
@@ -0,0 +1,45 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('write/read Infinity as a float', function (t) {
+  var buf = new B(4)
+  t.equal(buf.writeFloatBE(Infinity, 0), 4)
+  t.equal(buf.readFloatBE(0), Infinity)
+  t.end()
+})
+
+test('write/read -Infinity as a float', function (t) {
+  var buf = new B(4)
+  t.equal(buf.writeFloatBE(-Infinity, 0), 4)
+  t.equal(buf.readFloatBE(0), -Infinity)
+  t.end()
+})
+
+test('write/read Infinity as a double', function (t) {
+  var buf = new B(8)
+  t.equal(buf.writeDoubleBE(Infinity, 0), 8)
+  t.equal(buf.readDoubleBE(0), Infinity)
+  t.end()
+})
+
+test('write/read -Infinity as a double', function (t) {
+  var buf = new B(8)
+  t.equal(buf.writeDoubleBE(-Infinity, 0), 8)
+  t.equal(buf.readDoubleBE(0), -Infinity)
+  t.end()
+})
+
+test('write/read float greater than max', function (t) {
+  var buf = new B(4)
+  t.equal(buf.writeFloatBE(4e38, 0), 4)
+  t.equal(buf.readFloatBE(0), Infinity)
+  t.end()
+})
+
+test('write/read float less than min', function (t) {
+  var buf = new B(4)
+  t.equal(buf.writeFloatBE(-4e40, 0), 4)
+  t.equal(buf.readFloatBE(0), -Infinity)
+  t.end()
+})
diff --git a/node_modules/builtin-status-codes/browser.js b/node_modules/builtin-status-codes/browser.js
new file mode 100644
index 00000000..4ee0d114
--- /dev/null
+++ b/node_modules/builtin-status-codes/browser.js
@@ -0,0 +1,64 @@
+module.exports = {
+  "100": "Continue",
+  "101": "Switching Protocols",
+  "102": "Processing",
+  "200": "OK",
+  "201": "Created",
+  "202": "Accepted",
+  "203": "Non-Authoritative Information",
+  "204": "No Content",
+  "205": "Reset Content",
+  "206": "Partial Content",
+  "207": "Multi-Status",
+  "208": "Already Reported",
+  "226": "IM Used",
+  "300": "Multiple Choices",
+  "301": "Moved Permanently",
+  "302": "Found",
+  "303": "See Other",
+  "304": "Not Modified",
+  "305": "Use Proxy",
+  "307": "Temporary Redirect",
+  "308": "Permanent Redirect",
+  "400": "Bad Request",
+  "401": "Unauthorized",
+  "402": "Payment Required",
+  "403": "Forbidden",
+  "404": "Not Found",
+  "405": "Method Not Allowed",
+  "406": "Not Acceptable",
+  "407": "Proxy Authentication Required",
+  "408": "Request Timeout",
+  "409": "Conflict",
+  "410": "Gone",
+  "411": "Length Required",
+  "412": "Precondition Failed",
+  "413": "Payload Too Large",
+  "414": "URI Too Long",
+  "415": "Unsupported Media Type",
+  "416": "Range Not Satisfiable",
+  "417": "Expectation Failed",
+  "418": "I'm a teapot",
+  "421": "Misdirected Request",
+  "422": "Unprocessable Entity",
+  "423": "Locked",
+  "424": "Failed Dependency",
+  "425": "Unordered Collection",
+  "426": "Upgrade Required",
+  "428": "Precondition Required",
+  "429": "Too Many Requests",
+  "431": "Request Header Fields Too Large",
+  "451": "Unavailable For Legal Reasons",
+  "500": "Internal Server Error",
+  "501": "Not Implemented",
+  "502": "Bad Gateway",
+  "503": "Service Unavailable",
+  "504": "Gateway Timeout",
+  "505": "HTTP Version Not Supported",
+  "506": "Variant Also Negotiates",
+  "507": "Insufficient Storage",
+  "508": "Loop Detected",
+  "509": "Bandwidth Limit Exceeded",
+  "510": "Not Extended",
+  "511": "Network Authentication Required"
+}
diff --git a/node_modules/builtin-status-codes/build.js b/node_modules/builtin-status-codes/build.js
new file mode 100644
index 00000000..8fc305cd
--- /dev/null
+++ b/node_modules/builtin-status-codes/build.js
@@ -0,0 +1,8 @@
+'use strict'
+
+var fs = require('fs')
+var statusCodes = require('./')
+
+var code = 'module.exports = ' + JSON.stringify(statusCodes, null, 2) + '\n'
+
+fs.writeFileSync('browser.js', code)
diff --git a/node_modules/builtin-status-codes/index.js b/node_modules/builtin-status-codes/index.js
new file mode 100644
index 00000000..4a158ac7
--- /dev/null
+++ b/node_modules/builtin-status-codes/index.js
@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = require('http').STATUS_CODES
diff --git a/node_modules/builtin-status-codes/license b/node_modules/builtin-status-codes/license
new file mode 100644
index 00000000..25c62470
--- /dev/null
+++ b/node_modules/builtin-status-codes/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Ben Drucker <bvdrucker@gmail.com> (bendrucker.me)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/builtin-status-codes/package.json b/node_modules/builtin-status-codes/package.json
new file mode 100644
index 00000000..d20dcd84
--- /dev/null
+++ b/node_modules/builtin-status-codes/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "builtin-status-codes",
+  "main": "index.js",
+  "browser": "browser.js",
+  "version": "3.0.0",
+  "description": "The map of HTTP status codes from the builtin http module",
+  "license": "MIT",
+  "repository": "bendrucker/builtin-status-codes",
+  "author": {
+    "name": "Ben Drucker",
+    "email": "bvdrucker@gmail.com",
+    "url": "bendrucker.me"
+  },
+  "scripts": {
+    "test": "standard && tape test.js",
+    "build": "node build.js"
+  },
+  "keywords": [
+    "http",
+    "status",
+    "codes",
+    "builtin",
+    "map"
+  ],
+  "devDependencies": {
+    "tape": "^4.0.0",
+    "standard": "^4.0.0"
+  },
+  "files": [
+    "index.js",
+    "browser.js",
+    "build.js"
+  ],
+  "standard": {
+    "ignore": [
+      "browser.js"
+    ]
+  }
+}
diff --git a/node_modules/builtin-status-codes/readme.md b/node_modules/builtin-status-codes/readme.md
new file mode 100644
index 00000000..9a2353d3
--- /dev/null
+++ b/node_modules/builtin-status-codes/readme.md
@@ -0,0 +1,31 @@
+# builtin-status-codes [![Build Status](https://travis-ci.org/bendrucker/builtin-status-codes.svg?branch=master)](https://travis-ci.org/bendrucker/builtin-status-codes)
+
+> The map of HTTP status codes from the builtin http module. Exposes the latest directly from `http` in Node, with a zero-dependencies version for the browser.
+
+
+## Install
+
+```
+$ npm install --save builtin-status-codes
+```
+
+
+## Usage
+
+```js
+var codes = require('builtin-status-codes')
+codes[100]
+//=> Continue
+```
+
+## Build
+
+To create a new browser build:
+
+```sh
+$ npm run build
+```
+
+## License
+
+MIT © [Ben Drucker](http://bendrucker.me)
diff --git a/node_modules/cacache/CHANGELOG.md b/node_modules/cacache/CHANGELOG.md
new file mode 100644
index 00000000..6b5623ef
--- /dev/null
+++ b/node_modules/cacache/CHANGELOG.md
@@ -0,0 +1,661 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+### [12.0.4](https://github.com/npm/cacache/compare/v12.0.3...v12.0.4) (2020-03-24)
+
+
+
+### [12.0.3](https://github.com/npm/cacache/compare/v12.0.2...v12.0.3) (2019-08-19)
+
+
+### Bug Fixes
+
+* do not chown if not running as root ([2d80af9](https://github.com/npm/cacache/commit/2d80af9))
+
+
+
+### [12.0.2](https://github.com/npm/cacache/compare/v12.0.1...v12.0.2) (2019-07-19)
+
+
+
+### [12.0.1](https://github.com/npm/cacache/compare/v12.0.0...v12.0.1) (2019-07-19)
+
+* **deps** Abstracted out `lib/util/infer-owner.js` to
+  [@npmcli/infer-owner](https://www.npmjs.com/package/@npmcli/infer-owner)
+  so that it could be more easily used in other parts of the npm CLI.
+
+
+## [12.0.0](https://github.com/npm/cacache/compare/v11.3.3...v12.0.0) (2019-07-15)
+
+
+### Features
+
+* infer uid/gid instead of accepting as options ([ac84d14](https://github.com/npm/cacache/commit/ac84d14))
+* **i18n:** add another error message ([676cb32](https://github.com/npm/cacache/commit/676cb32))
+
+
+### BREAKING CHANGES
+
+* the uid gid options are no longer respected or
+necessary.  As of this change, cacache will always match the cache
+contents to the ownership of the cache directory (or its parent
+directory), regardless of what the caller passes in.
+
+Reasoning:
+
+The number one reason to use a uid or gid option was to keep root-owned
+files from causing problems in the cache.  In npm's case, this meant
+that CLI's ./lib/command.js had to work out the appropriate uid and gid,
+then pass it to the libnpmcommand module, which had to in turn pass the
+uid and gid to npm-registry-fetch, which then passed it to
+make-fetch-happen, which passed it to cacache.  (For package fetching,
+pacote would be in that mix as well.)
+
+Added to that, `cacache.rm()` will actually _write_ a file into the
+cache index, but has no way to accept an option so that its call to
+entry-index.js will write the index with the appropriate uid/gid.
+Little ownership bugs were all over the place, and tricky to trace
+through.  (Why should make-fetch-happen even care about accepting or
+passing uids and gids?  It's an http library.)
+
+This change allows us to keep the cache from having mixed ownership in
+any situation.
+
+Of course, this _does_ mean that if you have a root-owned but
+user-writable folder (for example, `/tmp`), then the cache will try to
+chown everything to root.
+
+The solution is for the user to create a folder, make it user-owned, and
+use that, rather than relying on cacache to create the root cache folder.
+
+If we decide to restore the uid/gid opts, and use ownership inferrence
+only when uid/gid are unset, then take care to also make rm take an
+option object, and pass it through to entry-index.js.
+
+
+
+### [11.3.3](https://github.com/npm/cacache/compare/v11.3.2...v11.3.3) (2019-06-17)
+
+
+### Bug Fixes
+
+* **audit:** npm audit fix ([200a6d5](https://github.com/npm/cacache/commit/200a6d5))
+* **config:** Add ssri config 'error' option ([#146](https://github.com/npm/cacache/issues/146)) ([47de8f5](https://github.com/npm/cacache/commit/47de8f5))
+* **deps:** npm audit fix ([481a7dc](https://github.com/npm/cacache/commit/481a7dc))
+* **standard:** standard --fix ([7799149](https://github.com/npm/cacache/commit/7799149))
+* **write:** avoid another cb never called situation ([5156561](https://github.com/npm/cacache/commit/5156561))
+
+
+
+<a name="11.3.2"></a>
+## [11.3.2](https://github.com/npm/cacache/compare/v11.3.1...v11.3.2) (2018-12-21)
+
+
+### Bug Fixes
+
+* **get:** make sure to handle errors in the .then ([b10bcd0](https://github.com/npm/cacache/commit/b10bcd0))
+
+
+
+<a name="11.3.1"></a>
+## [11.3.1](https://github.com/npm/cacache/compare/v11.3.0...v11.3.1) (2018-11-05)
+
+
+### Bug Fixes
+
+* **get:** export hasContent.sync properly ([d76c920](https://github.com/npm/cacache/commit/d76c920))
+
+
+
+<a name="11.3.0"></a>
+# [11.3.0](https://github.com/npm/cacache/compare/v11.2.0...v11.3.0) (2018-11-05)
+
+
+### Features
+
+* **get:** add sync API for reading ([db1e094](https://github.com/npm/cacache/commit/db1e094))
+
+
+
+<a name="11.2.0"></a>
+# [11.2.0](https://github.com/npm/cacache/compare/v11.1.0...v11.2.0) (2018-08-08)
+
+
+### Features
+
+* **read:** add sync support to other internal read.js fns ([fe638b6](https://github.com/npm/cacache/commit/fe638b6))
+
+
+
+<a name="11.1.0"></a>
+# [11.1.0](https://github.com/npm/cacache/compare/v11.0.3...v11.1.0) (2018-08-01)
+
+
+### Features
+
+* **read:** add sync support for low-level content read ([b43af83](https://github.com/npm/cacache/commit/b43af83))
+
+
+
+<a name="11.0.3"></a>
+## [11.0.3](https://github.com/npm/cacache/compare/v11.0.2...v11.0.3) (2018-08-01)
+
+
+### Bug Fixes
+
+* **config:** add ssri config options ([#136](https://github.com/npm/cacache/issues/136)) ([10d5d9a](https://github.com/npm/cacache/commit/10d5d9a))
+* **perf:** refactor content.read to avoid lstats ([c5ac10e](https://github.com/npm/cacache/commit/c5ac10e))
+* **test:** oops when removing safe-buffer ([1950490](https://github.com/npm/cacache/commit/1950490))
+
+
+
+<a name="11.0.2"></a>
+## [11.0.2](https://github.com/npm/cacache/compare/v11.0.1...v11.0.2) (2018-05-07)
+
+
+### Bug Fixes
+
+* **verify:** size param no longer lost in a verify ([#131](https://github.com/npm/cacache/issues/131)) ([c614a19](https://github.com/npm/cacache/commit/c614a19)), closes [#130](https://github.com/npm/cacache/issues/130)
+
+
+
+<a name="11.0.1"></a>
+## [11.0.1](https://github.com/npm/cacache/compare/v11.0.0...v11.0.1) (2018-04-10)
+
+
+
+<a name="11.0.0"></a>
+# [11.0.0](https://github.com/npm/cacache/compare/v10.0.4...v11.0.0) (2018-04-09)
+
+
+### Features
+
+* **opts:** use figgy-pudding for opts ([#128](https://github.com/npm/cacache/issues/128)) ([33d4eed](https://github.com/npm/cacache/commit/33d4eed))
+
+
+### meta
+
+* drop support for node@4 ([529f347](https://github.com/npm/cacache/commit/529f347))
+
+
+### BREAKING CHANGES
+
+* node@4 is no longer supported
+
+
+
+<a name="10.0.4"></a>
+## [10.0.4](https://github.com/npm/cacache/compare/v10.0.3...v10.0.4) (2018-02-16)
+
+
+
+<a name="10.0.3"></a>
+## [10.0.3](https://github.com/npm/cacache/compare/v10.0.2...v10.0.3) (2018-02-16)
+
+
+### Bug Fixes
+
+* **content:** rethrow aggregate errors as ENOENT ([fa918f5](https://github.com/npm/cacache/commit/fa918f5))
+
+
+
+<a name="10.0.2"></a>
+## [10.0.2](https://github.com/npm/cacache/compare/v10.0.1...v10.0.2) (2018-01-07)
+
+
+### Bug Fixes
+
+* **ls:** deleted entries could cause a premature stream EOF ([347dc36](https://github.com/npm/cacache/commit/347dc36))
+
+
+
+<a name="10.0.1"></a>
+## [10.0.1](https://github.com/npm/cacache/compare/v10.0.0...v10.0.1) (2017-11-15)
+
+
+### Bug Fixes
+
+* **move-file:** actually use the fallback to `move-concurrently` (#110) ([073fbe1](https://github.com/npm/cacache/commit/073fbe1))
+
+
+
+<a name="10.0.0"></a>
+# [10.0.0](https://github.com/npm/cacache/compare/v9.3.0...v10.0.0) (2017-10-23)
+
+
+### Features
+
+* **license:** relicense to ISC (#111) ([fdbb4e5](https://github.com/npm/cacache/commit/fdbb4e5))
+
+
+### Performance Improvements
+
+* more copyFile benchmarks ([63787bb](https://github.com/npm/cacache/commit/63787bb))
+
+
+### BREAKING CHANGES
+
+* **license:** the license has been changed from CC0-1.0 to ISC.
+
+
+
+<a name="9.3.0"></a>
+# [9.3.0](https://github.com/npm/cacache/compare/v9.2.9...v9.3.0) (2017-10-07)
+
+
+### Features
+
+* **copy:** added cacache.get.copy api for fast copies (#107) ([067b5f6](https://github.com/npm/cacache/commit/067b5f6))
+
+
+
+<a name="9.2.9"></a>
+## [9.2.9](https://github.com/npm/cacache/compare/v9.2.8...v9.2.9) (2017-06-17)
+
+
+
+<a name="9.2.8"></a>
+## [9.2.8](https://github.com/npm/cacache/compare/v9.2.7...v9.2.8) (2017-06-05)
+
+
+### Bug Fixes
+
+* **ssri:** bump ssri for bugfix ([c3232ea](https://github.com/npm/cacache/commit/c3232ea))
+
+
+
+<a name="9.2.7"></a>
+## [9.2.7](https://github.com/npm/cacache/compare/v9.2.6...v9.2.7) (2017-06-05)
+
+
+### Bug Fixes
+
+* **content:** make verified content completely read-only (#96) ([4131196](https://github.com/npm/cacache/commit/4131196))
+
+
+
+<a name="9.2.6"></a>
+## [9.2.6](https://github.com/npm/cacache/compare/v9.2.5...v9.2.6) (2017-05-31)
+
+
+### Bug Fixes
+
+* **node:** update ssri to prevent old node 4 crash ([5209ffe](https://github.com/npm/cacache/commit/5209ffe))
+
+
+
+<a name="9.2.5"></a>
+## [9.2.5](https://github.com/npm/cacache/compare/v9.2.4...v9.2.5) (2017-05-25)
+
+
+### Bug Fixes
+
+* **deps:** fix lockfile issues and bump ssri ([84e1d7e](https://github.com/npm/cacache/commit/84e1d7e))
+
+
+
+<a name="9.2.4"></a>
+## [9.2.4](https://github.com/npm/cacache/compare/v9.2.3...v9.2.4) (2017-05-24)
+
+
+### Bug Fixes
+
+* **deps:** bumping deps ([bbccb12](https://github.com/npm/cacache/commit/bbccb12))
+
+
+
+<a name="9.2.3"></a>
+## [9.2.3](https://github.com/npm/cacache/compare/v9.2.2...v9.2.3) (2017-05-24)
+
+
+### Bug Fixes
+
+* **rm:** stop crashing if content is missing on rm ([ac90bc0](https://github.com/npm/cacache/commit/ac90bc0))
+
+
+
+<a name="9.2.2"></a>
+## [9.2.2](https://github.com/npm/cacache/compare/v9.2.1...v9.2.2) (2017-05-14)
+
+
+### Bug Fixes
+
+* **i18n:** lets pretend this didn't happen ([519b4ee](https://github.com/npm/cacache/commit/519b4ee))
+
+
+
+<a name="9.2.1"></a>
+## [9.2.1](https://github.com/npm/cacache/compare/v9.2.0...v9.2.1) (2017-05-14)
+
+
+### Bug Fixes
+
+* **docs:** fixing translation messup ([bb9e4f9](https://github.com/npm/cacache/commit/bb9e4f9))
+
+
+
+<a name="9.2.0"></a>
+# [9.2.0](https://github.com/npm/cacache/compare/v9.1.0...v9.2.0) (2017-05-14)
+
+
+### Features
+
+* **i18n:** add Spanish translation for API ([531f9a4](https://github.com/npm/cacache/commit/531f9a4))
+
+
+
+<a name="9.1.0"></a>
+# [9.1.0](https://github.com/npm/cacache/compare/v9.0.0...v9.1.0) (2017-05-14)
+
+
+### Features
+
+* **i18n:** Add Spanish translation and i18n setup (#91) ([323b90c](https://github.com/npm/cacache/commit/323b90c))
+
+
+
+<a name="9.0.0"></a>
+# [9.0.0](https://github.com/npm/cacache/compare/v8.0.0...v9.0.0) (2017-04-28)
+
+
+### Bug Fixes
+
+* **memoization:** actually use the LRU ([0e55dc9](https://github.com/npm/cacache/commit/0e55dc9))
+
+
+### Features
+
+* **memoization:** memoizers can be injected through opts.memoize (#90) ([e5614c7](https://github.com/npm/cacache/commit/e5614c7))
+
+
+### BREAKING CHANGES
+
+* **memoization:** If you were passing an object to opts.memoize, it will now be used as an injected memoization object. If you were only passing booleans and other non-objects through that option, no changes are needed.
+
+
+
+<a name="8.0.0"></a>
+# [8.0.0](https://github.com/npm/cacache/compare/v7.1.0...v8.0.0) (2017-04-22)
+
+
+### Features
+
+* **read:** change hasContent to return {sri, size} (#88) ([bad6c49](https://github.com/npm/cacache/commit/bad6c49)), closes [#87](https://github.com/npm/cacache/issues/87)
+
+
+### BREAKING CHANGES
+
+* **read:** hasContent now returns an object with `{sri, size}` instead of `sri`. Use `result.sri` anywhere that needed the old return value.
+
+
+
+<a name="7.1.0"></a>
+# [7.1.0](https://github.com/npm/cacache/compare/v7.0.5...v7.1.0) (2017-04-20)
+
+
+### Features
+
+* **size:** handle content size info (#49) ([91230af](https://github.com/npm/cacache/commit/91230af))
+
+
+
+<a name="7.0.5"></a>
+## [7.0.5](https://github.com/npm/cacache/compare/v7.0.4...v7.0.5) (2017-04-18)
+
+
+### Bug Fixes
+
+* **integrity:** new ssri with fixed integrity stream ([6d13e8e](https://github.com/npm/cacache/commit/6d13e8e))
+* **write:** wrap stuff in promises to improve errors ([3624fc5](https://github.com/npm/cacache/commit/3624fc5))
+
+
+
+<a name="7.0.4"></a>
+## [7.0.4](https://github.com/npm/cacache/compare/v7.0.3...v7.0.4) (2017-04-15)
+
+
+### Bug Fixes
+
+* **fix-owner:** throw away ENOENTs on chownr ([d49bbcd](https://github.com/npm/cacache/commit/d49bbcd))
+
+
+
+<a name="7.0.3"></a>
+## [7.0.3](https://github.com/npm/cacache/compare/v7.0.2...v7.0.3) (2017-04-05)
+
+
+### Bug Fixes
+
+* **read:** fixing error message for integrity verification failures ([9d4f0a5](https://github.com/npm/cacache/commit/9d4f0a5))
+
+
+
+<a name="7.0.2"></a>
+## [7.0.2](https://github.com/npm/cacache/compare/v7.0.1...v7.0.2) (2017-04-03)
+
+
+### Bug Fixes
+
+* **integrity:** use EINTEGRITY error code and update ssri ([8dc2e62](https://github.com/npm/cacache/commit/8dc2e62))
+
+
+
+<a name="7.0.1"></a>
+## [7.0.1](https://github.com/npm/cacache/compare/v7.0.0...v7.0.1) (2017-04-03)
+
+
+### Bug Fixes
+
+* **docs:** fix header name conflict in readme ([afcd456](https://github.com/npm/cacache/commit/afcd456))
+
+
+
+<a name="7.0.0"></a>
+# [7.0.0](https://github.com/npm/cacache/compare/v6.3.0...v7.0.0) (2017-04-03)
+
+
+### Bug Fixes
+
+* **test:** fix content.write tests when running in docker ([d2e9b6a](https://github.com/npm/cacache/commit/d2e9b6a))
+
+
+### Features
+
+* **integrity:** subresource integrity support (#78) ([b1e731f](https://github.com/npm/cacache/commit/b1e731f))
+
+
+### BREAKING CHANGES
+
+* **integrity:** The entire API has been overhauled to use SRI hashes instead of digest/hashAlgorithm pairs. SRI hashes follow the Subresource Integrity standard and support strings and objects compatible with [`ssri`](https://npm.im/ssri).
+
+* This change bumps the index version, which will invalidate all previous index entries. Content entries will remain intact, and existing caches will automatically reuse any content from before this breaking change.
+
+* `cacache.get.info()`, `cacache.ls()`, and `cacache.ls.stream()` will now return objects that looks like this:
+
+```
+{
+  key: String,
+  integrity: '<algorithm>-<base64hash>',
+  path: ContentPath,
+  time: Date<ms>,
+  metadata: Any
+}
+```
+
+* `opts.digest` and `opts.hashAlgorithm` are obsolete for any API calls that used them.
+
+* Anywhere `opts.digest` was accepted, `opts.integrity` is now an option. Any valid SRI hash is accepted here -- multiple hash entries will be resolved according to the standard: first, the "strongest" hash algorithm will be picked, and then each of the entries for that algorithm will be matched against the content. Content will be validated if *any* of the entries match (so, a single integrity string can be used for multiple "versions" of the same document/data).
+
+* `put.byDigest()`, `put.stream.byDigest`, `get.byDigest()` and `get.stream.byDigest()` now expect an SRI instead of a `digest` + `opts.hashAlgorithm` pairing.
+
+* `get.hasContent()` now expects an integrity hash instead of a digest. If content exists, it will return the specific single integrity hash that was found in the cache.
+
+* `verify()` has learned to handle integrity-based caches, and forgotten how to handle old-style cache indices due to the format change.
+
+* `cacache.rm.content()` now expects an integrity hash instead of a hex digest.
+
+
+
+<a name="6.3.0"></a>
+# [6.3.0](https://github.com/npm/cacache/compare/v6.2.0...v6.3.0) (2017-04-01)
+
+
+### Bug Fixes
+
+* **fixOwner:** ignore EEXIST race condition from mkdirp ([4670e9b](https://github.com/npm/cacache/commit/4670e9b))
+* **index:** ignore index removal races when inserting ([b9d2fa2](https://github.com/npm/cacache/commit/b9d2fa2))
+* **memo:** use lru-cache for better mem management (#75) ([d8ac5aa](https://github.com/npm/cacache/commit/d8ac5aa))
+
+
+### Features
+
+* **dependencies:** Switch to move-concurrently (#77) ([dc6482d](https://github.com/npm/cacache/commit/dc6482d))
+
+
+
+<a name="6.2.0"></a>
+# [6.2.0](https://github.com/npm/cacache/compare/v6.1.2...v6.2.0) (2017-03-15)
+
+
+### Bug Fixes
+
+* **index:** additional bucket entry verification with checksum (#72) ([f8e0f25](https://github.com/npm/cacache/commit/f8e0f25))
+* **verify:** return fixOwner.chownr promise ([6818521](https://github.com/npm/cacache/commit/6818521))
+
+
+### Features
+
+* **tmp:** safe tmp dir creation/management util (#73) ([c42da71](https://github.com/npm/cacache/commit/c42da71))
+
+
+
+<a name="6.1.2"></a>
+## [6.1.2](https://github.com/npm/cacache/compare/v6.1.1...v6.1.2) (2017-03-13)
+
+
+### Bug Fixes
+
+* **index:** set default hashAlgorithm ([d6eb2f0](https://github.com/npm/cacache/commit/d6eb2f0))
+
+
+
+<a name="6.1.1"></a>
+## [6.1.1](https://github.com/npm/cacache/compare/v6.1.0...v6.1.1) (2017-03-13)
+
+
+### Bug Fixes
+
+* **coverage:** bumping coverage for verify (#71) ([0b7faf6](https://github.com/npm/cacache/commit/0b7faf6))
+* **deps:** glob should have been a regular dep :< ([0640bc4](https://github.com/npm/cacache/commit/0640bc4))
+
+
+
+<a name="6.1.0"></a>
+# [6.1.0](https://github.com/npm/cacache/compare/v6.0.2...v6.1.0) (2017-03-12)
+
+
+### Bug Fixes
+
+* **coverage:** more coverage for content reads (#70) ([ef4f70a](https://github.com/npm/cacache/commit/ef4f70a))
+* **tests:** use safe-buffer because omfg (#69) ([6ab8132](https://github.com/npm/cacache/commit/6ab8132))
+
+
+### Features
+
+* **rm:** limited rm.all and fixed bugs (#66) ([d5d25ba](https://github.com/npm/cacache/commit/d5d25ba)), closes [#66](https://github.com/npm/cacache/issues/66)
+* **verify:** tested, working cache verifier/gc (#68) ([45ad77a](https://github.com/npm/cacache/commit/45ad77a))
+
+
+
+<a name="6.0.2"></a>
+## [6.0.2](https://github.com/npm/cacache/compare/v6.0.1...v6.0.2) (2017-03-11)
+
+
+### Bug Fixes
+
+* **index:** segment cache items with another subbucket (#64) ([c3644e5](https://github.com/npm/cacache/commit/c3644e5))
+
+
+
+<a name="6.0.1"></a>
+## [6.0.1](https://github.com/npm/cacache/compare/v6.0.0...v6.0.1) (2017-03-05)
+
+
+### Bug Fixes
+
+* **docs:** Missed spots in README ([8ffb7fa](https://github.com/npm/cacache/commit/8ffb7fa))
+
+
+
+<a name="6.0.0"></a>
+# [6.0.0](https://github.com/npm/cacache/compare/v5.0.3...v6.0.0) (2017-03-05)
+
+
+### Bug Fixes
+
+* **api:** keep memo cache mostly-internal ([2f72d0a](https://github.com/npm/cacache/commit/2f72d0a))
+* **content:** use the rest of the string, not the whole string ([fa8f3c3](https://github.com/npm/cacache/commit/fa8f3c3))
+* **deps:** removed `format-number@2.0.2` ([1187791](https://github.com/npm/cacache/commit/1187791))
+* **deps:** removed inflight@1.0.6 ([0d1819c](https://github.com/npm/cacache/commit/0d1819c))
+* **deps:** rimraf@2.6.1 ([9efab6b](https://github.com/npm/cacache/commit/9efab6b))
+* **deps:** standard@9.0.0 ([4202cba](https://github.com/npm/cacache/commit/4202cba))
+* **deps:** tap@10.3.0 ([aa03088](https://github.com/npm/cacache/commit/aa03088))
+* **deps:** weallcontribute@1.0.8 ([ad4f4dc](https://github.com/npm/cacache/commit/ad4f4dc))
+* **docs:** add security note to hashKey ([03f81ba](https://github.com/npm/cacache/commit/03f81ba))
+* **hashes:** change default hashAlgorithm to sha512 ([ea00ba6](https://github.com/npm/cacache/commit/ea00ba6))
+* **hashes:** missed a spot for hashAlgorithm defaults ([45997d8](https://github.com/npm/cacache/commit/45997d8))
+* **index:** add length header before JSON for verification ([fb8cb4d](https://github.com/npm/cacache/commit/fb8cb4d))
+* **index:** change index filenames to sha1s of keys ([bbc5fca](https://github.com/npm/cacache/commit/bbc5fca))
+* **index:** who cares about race conditions anyway ([b1d3888](https://github.com/npm/cacache/commit/b1d3888))
+* **perf:** bulk-read get+read for massive speed ([d26cdf9](https://github.com/npm/cacache/commit/d26cdf9))
+* **perf:** use bulk file reads for index reads ([79a8891](https://github.com/npm/cacache/commit/79a8891))
+* **put-stream:** remove tmp file on stream insert error ([65f6632](https://github.com/npm/cacache/commit/65f6632))
+* **put-stream:** robustified and predictibilized ([daf9e08](https://github.com/npm/cacache/commit/daf9e08))
+* **put-stream:** use new promise API for moves ([1d36013](https://github.com/npm/cacache/commit/1d36013))
+* **readme:** updated to reflect new default hashAlgo ([c60a2fa](https://github.com/npm/cacache/commit/c60a2fa))
+* **verify:** tiny typo fix ([db22d05](https://github.com/npm/cacache/commit/db22d05))
+
+
+### Features
+
+* **api:** converted external api ([7bf032f](https://github.com/npm/cacache/commit/7bf032f))
+* **cacache:** exported clearMemoized() utility ([8d2c5b6](https://github.com/npm/cacache/commit/8d2c5b6))
+* **cache:** add versioning to content and index ([31bc549](https://github.com/npm/cacache/commit/31bc549))
+* **content:** collate content files into subdirs ([c094d9f](https://github.com/npm/cacache/commit/c094d9f))
+* **deps:** `@npmcorp/move@1.0.0` ([bdd00bf](https://github.com/npm/cacache/commit/bdd00bf))
+* **deps:** `bluebird@3.4.7` ([3a17aff](https://github.com/npm/cacache/commit/3a17aff))
+* **deps:** `promise-inflight@1.0.1` ([a004fe6](https://github.com/npm/cacache/commit/a004fe6))
+* **get:** added memoization support for get ([c77d794](https://github.com/npm/cacache/commit/c77d794))
+* **get:** export hasContent ([2956ec3](https://github.com/npm/cacache/commit/2956ec3))
+* **index:** add hashAlgorithm and format insert ret val ([b639746](https://github.com/npm/cacache/commit/b639746))
+* **index:** collate index files into subdirs ([e8402a5](https://github.com/npm/cacache/commit/e8402a5))
+* **index:** promisify entry index ([cda3335](https://github.com/npm/cacache/commit/cda3335))
+* **memo:** added memoization lib ([da07b92](https://github.com/npm/cacache/commit/da07b92))
+* **memo:** export memoization api ([954b1b3](https://github.com/npm/cacache/commit/954b1b3))
+* **move-file:** add move fallback for weird errors ([5cf4616](https://github.com/npm/cacache/commit/5cf4616))
+* **perf:** bulk content write api ([51b536e](https://github.com/npm/cacache/commit/51b536e))
+* **put:** added memoization support to put ([b613a70](https://github.com/npm/cacache/commit/b613a70))
+* **read:** switched to promises ([a869362](https://github.com/npm/cacache/commit/a869362))
+* **rm:** added memoization support to rm ([4205cf0](https://github.com/npm/cacache/commit/4205cf0))
+* **rm:** switched to promises ([a000d24](https://github.com/npm/cacache/commit/a000d24))
+* **util:** promise-inflight ownership fix requests ([9517cd7](https://github.com/npm/cacache/commit/9517cd7))
+* **util:** use promises for api ([ae204bb](https://github.com/npm/cacache/commit/ae204bb))
+* **verify:** converted to Promises ([f0b3974](https://github.com/npm/cacache/commit/f0b3974))
+
+
+### BREAKING CHANGES
+
+* cache: index/content directories are now versioned. Previous caches are no longer compatible and cannot be migrated.
+* util: fix-owner now uses Promises instead of callbacks
+* index: Previously-generated index entries are no longer compatible and the index must be regenerated.
+* index: The index format has changed and previous caches are no longer compatible. Existing caches will need to be regenerated.
+* hashes: Default hashAlgorithm changed from sha1 to sha512. If you
+rely on the prior setting, pass `opts.hashAlgorithm` in explicitly.
+* content: Previously-generated content directories are no longer compatible
+and must be regenerated.
+* verify: API is now promise-based
+* read: Switches to a Promise-based API and removes callback stuff
+* rm: Switches to a Promise-based API and removes callback stuff
+* index: this changes the API to work off promises instead of callbacks
+* api: this means we are going all in on promises now
diff --git a/node_modules/cacache/LICENSE.md b/node_modules/cacache/LICENSE.md
new file mode 100644
index 00000000..8d28acf8
--- /dev/null
+++ b/node_modules/cacache/LICENSE.md
@@ -0,0 +1,16 @@
+ISC License
+
+Copyright (c) npm, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted, provided that the
+above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE COPYRIGHT HOLDER DISCLAIMS
+ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/cacache/README.es.md b/node_modules/cacache/README.es.md
new file mode 100644
index 00000000..55007e20
--- /dev/null
+++ b/node_modules/cacache/README.es.md
@@ -0,0 +1,628 @@
+# cacache [![npm version](https://img.shields.io/npm/v/cacache.svg)](https://npm.im/cacache) [![license](https://img.shields.io/npm/l/cacache.svg)](https://npm.im/cacache) [![Travis](https://img.shields.io/travis/zkat/cacache.svg)](https://travis-ci.org/zkat/cacache) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/zkat/cacache?svg=true)](https://ci.appveyor.com/project/zkat/cacache) [![Coverage Status](https://coveralls.io/repos/github/zkat/cacache/badge.svg?branch=latest)](https://coveralls.io/github/zkat/cacache?branch=latest)
+
+[`cacache`](https://github.com/zkat/cacache) es una librería de Node.js para
+manejar caches locales en disco, con acceso tanto con claves únicas como
+direcciones de contenido (hashes/hacheos). Es súper rápida, excelente con el
+acceso concurrente, y jamás te dará datos incorrectos, aún si se corrompen o
+manipulan directamente los ficheros del cache.
+
+El propósito original era reemplazar el caché local de
+[npm](https://npm.im/npm), pero se puede usar por su propia cuenta.
+
+_Traducciones: [English](README.md)_
+
+## Instalación
+
+`$ npm install --save cacache`
+
+## Índice
+
+* [Ejemplo](#ejemplo)
+* [Características](#características)
+* [Cómo Contribuir](#cómo-contribuir)
+* [API](#api)
+  * [Usando el API en español](#localized-api)
+  * Leer
+    * [`ls`](#ls)
+    * [`ls.flujo`](#ls-stream)
+    * [`saca`](#get-data)
+    * [`saca.flujo`](#get-stream)
+    * [`saca.info`](#get-info)
+    * [`saca.tieneDatos`](#get-hasContent)
+  * Escribir
+    * [`mete`](#put-data)
+    * [`mete.flujo`](#put-stream)
+    * [opciones para `mete*`](#put-options)
+    * [`rm.todo`](#rm-all)
+    * [`rm.entrada`](#rm-entry)
+    * [`rm.datos`](#rm-content)
+  * Utilidades
+    * [`ponLenguaje`](#set-locale)
+    * [`limpiaMemoizado`](#clear-memoized)
+    * [`tmp.hazdir`](#tmp-mkdir)
+    * [`tmp.conTmp`](#with-tmp)
+  * Integridad
+    * [Subresource Integrity](#integrity)
+    * [`verifica`](#verify)
+    * [`verifica.ultimaVez`](#verify-last-run)
+
+### Ejemplo
+
+```javascript
+const cacache = require('cacache/es')
+const fs = require('fs')
+
+const tarbol = '/ruta/a/mi-tar.tgz'
+const rutaCache = '/tmp/my-toy-cache'
+const clave = 'mi-clave-única-1234'
+
+// ¡Añádelo al caché! Usa `rutaCache` como raíz del caché.
+cacache.mete(rutaCache, clave, '10293801983029384').then(integrity => {
+  console.log(`Saved content to ${rutaCache}.`)
+})
+
+const destino = '/tmp/mytar.tgz'
+
+// Copia el contenido del caché a otro fichero, pero esta vez con flujos.
+cacache.saca.flujo(
+  rutaCache, clave
+).pipe(
+  fs.createWriteStream(destino)
+).on('finish', () => {
+  console.log('extracción completada')
+})
+
+// La misma cosa, pero accesando el contenido directamente, sin tocar el índice.
+cacache.saca.porHacheo(rutaCache, integridad).then(datos => {
+  fs.writeFile(destino, datos, err => {
+    console.log('datos del tarbol sacados basado en su sha512, y escrito a otro fichero')
+  })
+})
+```
+
+### Características
+
+* Extracción por clave o por dirección de contenido (shasum, etc)
+* Usa el estándard de web, [Subresource Integrity](#integrity)
+* Compatible con multiples algoritmos - usa sha1, sha512, etc, en el mismo caché sin problema
+* Entradas con contenido idéntico comparten ficheros
+* Tolerancia de fallas (inmune a corrupción, ficheros parciales, carreras de proceso, etc)
+* Verificación completa de datos cuando (escribiendo y leyendo)
+* Concurrencia rápida, segura y "lockless"
+* Compatible con `stream`s (flujos)
+* Compatible con `Promise`s (promesas)
+* Bastante rápida -- acceso, incluyendo verificación, en microsegundos
+* Almacenaje de metadatos arbitrarios
+* Colección de basura y verificación adicional fuera de banda
+* Cobertura rigurosa de pruebas
+* Probablente hay un "Bloom filter" por ahí en algún lado. Eso le mola a la gente, ¿Verdad? 🤔
+
+### Cómo Contribuir
+
+El equipo de cacache felizmente acepta contribuciones de código y otras maneras de participación. ¡Hay muchas formas diferentes de contribuir! La [Guía de Colaboradores](CONTRIBUTING.md) (en inglés) tiene toda la información que necesitas para cualquier tipo de contribución: todo desde cómo reportar errores hasta cómo someter parches con nuevas características. Con todo y eso, no se preocupe por si lo que haces está exáctamente correcto: no hay ningún problema en hacer preguntas si algo no está claro, o no lo encuentras.
+
+El equipo de cacache tiene miembros hispanohablantes: es completamente aceptable crear `issues` y `pull requests` en español/castellano.
+
+Todos los participantes en este proyecto deben obedecer el [Código de Conducta](CODE_OF_CONDUCT.md) (en inglés), y en general actuar de forma amable y respetuosa mientras participan en esta comunidad.
+
+Por favor refiérase al [Historial de Cambios](CHANGELOG.md) (en inglés) para detalles sobre cambios importantes incluídos en cada versión.
+
+Finalmente, cacache tiene un sistema de localización de lenguaje. Si te interesa añadir lenguajes o mejorar los que existen, mira en el directorio `./locales` para comenzar.
+
+Happy hacking!
+
+### API
+
+#### <a name="localized-api"></a> Usando el API en español
+
+cacache incluye una traducción completa de su API al castellano, con las mismas
+características. Para usar el API como está documentado en este documento, usa
+`require('cacache/es')`
+
+cacache también tiene otros lenguajes: encuéntralos bajo `./locales`, y podrás
+usar el API en ese lenguaje con `require('cacache/<lenguaje>')`
+
+#### <a name="ls"></a> `> cacache.ls(cache) -> Promise<Object>`
+
+Enumera todas las entradas en el caché, dentro de un solo objeto. Cada entrada
+en el objeto tendrá como clave la clave única usada para el índice, el valor
+siendo un objeto de [`saca.info`](#get-info).
+
+##### Ejemplo
+
+```javascript
+cacache.ls(rutaCache).then(console.log)
+// Salida
+{
+  'my-thing': {
+    key: 'my-thing',
+    integrity: 'sha512-BaSe64/EnCoDED+HAsh=='
+    path: '.testcache/content/deadbeef', // unido con `rutaCache`
+    time: 12345698490,
+    size: 4023948,
+    metadata: {
+      name: 'blah',
+      version: '1.2.3',
+      description: 'this was once a package but now it is my-thing'
+    }
+  },
+  'other-thing': {
+    key: 'other-thing',
+    integrity: 'sha1-ANothER+hasH=',
+    path: '.testcache/content/bada55',
+    time: 11992309289,
+    size: 111112
+  }
+}
+```
+
+#### <a name="ls-stream"></a> `> cacache.ls.flujo(cache) -> Readable`
+
+Enumera todas las entradas en el caché, emitiendo un objeto de
+[`saca.info`](#get-info) por cada evento de `data` en el flujo.
+
+##### Ejemplo
+
+```javascript
+cacache.ls.flujo(rutaCache).on('data', console.log)
+// Salida
+{
+  key: 'my-thing',
+  integrity: 'sha512-BaSe64HaSh',
+  path: '.testcache/content/deadbeef', // unido con `rutaCache`
+  time: 12345698490,
+  size: 13423,
+  metadata: {
+    name: 'blah',
+    version: '1.2.3',
+    description: 'this was once a package but now it is my-thing'
+  }
+}
+
+{
+  key: 'other-thing',
+  integrity: 'whirlpool-WoWSoMuchSupport',
+  path: '.testcache/content/bada55',
+  time: 11992309289,
+  size: 498023984029
+}
+
+{
+  ...
+}
+```
+
+#### <a name="get-data"></a> `> cacache.saca(cache, clave, [ops]) -> Promise({data, metadata, integrity})`
+
+Devuelve un objeto con los datos, hacheo de integridad y metadatos identificados
+por la `clave`. La propiedad `data` de este objeto será una instancia de
+`Buffer` con los datos almacenados en el caché. to do with it! cacache just
+won't care.
+
+`integrity` es un `string` de [Subresource Integrity](#integrity). Dígase, un
+`string` que puede ser usado para verificar a la `data`, que tiene como formato
+`<algoritmo>-<hacheo-integridad-base64>`.
+
+So no existe ninguna entrada identificada por `clave`, o se los datos
+almacenados localmente fallan verificación, el `Promise` fallará.
+
+Una sub-función, `saca.porHacheo`, tiene casi el mismo comportamiento, excepto
+que busca entradas usando el hacheo de integridad, sin tocar el índice general.
+Esta versión *sólo* devuelve `data`, sin ningún objeto conteniéndola.
+
+##### Nota
+
+Esta función lee la entrada completa a la memoria antes de devolverla. Si estás
+almacenando datos Muy Grandes, es posible que [`saca.flujo`](#get-stream) sea
+una mejor solución.
+
+##### Ejemplo
+
+```javascript
+// Busca por clave
+cache.saca(rutaCache, 'my-thing').then(console.log)
+// Salida:
+{
+  metadata: {
+    thingName: 'my'
+  },
+  integrity: 'sha512-BaSe64HaSh',
+  data: Buffer#<deadbeef>,
+  size: 9320
+}
+
+// Busca por hacheo
+cache.saca.porHacheo(rutaCache, 'sha512-BaSe64HaSh').then(console.log)
+// Salida:
+Buffer#<deadbeef>
+```
+
+#### <a name="get-stream"></a> `> cacache.saca.flujo(cache, clave, [ops]) -> Readable`
+
+Devuelve un [Readable
+Stream](https://nodejs.org/api/stream.html#stream_readable_streams) de los datos
+almacenados bajo `clave`.
+
+So no existe ninguna entrada identificada por `clave`, o se los datos
+almacenados localmente fallan verificación, el `Promise` fallará.
+
+`metadata` y `integrity` serán emitidos como eventos antes de que el flujo
+cierre.
+
+Una sub-función, `saca.flujo.porHacheo`, tiene casi el mismo comportamiento,
+excepto que busca entradas usando el hacheo de integridad, sin tocar el índice
+general. Esta versión no emite eventos de `metadata` o `integrity`.
+
+##### Ejemplo
+
+```javascript
+// Busca por clave
+cache.saca.flujo(
+  rutaCache, 'my-thing'
+).on('metadata', metadata => {
+  console.log('metadata:', metadata)
+}).on('integrity', integrity => {
+  console.log('integrity:', integrity)
+}).pipe(
+  fs.createWriteStream('./x.tgz')
+)
+// Salidas:
+metadata: { ... }
+integrity: 'sha512-SoMeDIGest+64=='
+
+// Busca por hacheo
+cache.saca.flujo.porHacheo(
+  rutaCache, 'sha512-SoMeDIGest+64=='
+).pipe(
+  fs.createWriteStream('./x.tgz')
+)
+```
+
+#### <a name="get-info"></a> `> cacache.saca.info(cache, clave) -> Promise`
+
+Busca la `clave` en el índice del caché, devolviendo información sobre la
+entrada si existe.
+
+##### Campos
+
+* `key` - Clave de la entrada. Igual al argumento `clave`.
+* `integrity` - [hacheo de Subresource Integrity](#integrity) del contenido al que se refiere esta entrada.
+* `path` - Dirección del fichero de datos almacenados, unida al argumento `cache`.
+* `time` - Hora de creación de la entrada
+* `metadata` - Metadatos asignados a esta entrada por el usuario
+
+##### Ejemplo
+
+```javascript
+cacache.saca.info(rutaCache, 'my-thing').then(console.log)
+
+// Salida
+{
+  key: 'my-thing',
+  integrity: 'sha256-MUSTVERIFY+ALL/THINGS=='
+  path: '.testcache/content/deadbeef',
+  time: 12345698490,
+  size: 849234,
+  metadata: {
+    name: 'blah',
+    version: '1.2.3',
+    description: 'this was once a package but now it is my-thing'
+  }
+}
+```
+
+#### <a name="get-hasContent"></a> `> cacache.saca.tieneDatos(cache, integrity) -> Promise`
+
+Busca un [hacheo Subresource Integrity](#integrity) en el caché. Si existe el
+contenido asociado con `integrity`, devuelve un objeto con dos campos: el hacheo
+_específico_ que se usó para la búsqueda, `sri`, y el tamaño total del
+contenido, `size`. Si no existe ningún contenido asociado con `integrity`,
+devuelve `false`.
+
+##### Ejemplo
+
+```javascript
+cacache.saca.tieneDatos(rutaCache, 'sha256-MUSTVERIFY+ALL/THINGS==').then(console.log)
+
+// Salida
+{
+  sri: {
+    source: 'sha256-MUSTVERIFY+ALL/THINGS==',
+    algorithm: 'sha256',
+    digest: 'MUSTVERIFY+ALL/THINGS==',
+    options: []
+  },
+  size: 9001
+}
+
+cacache.saca.tieneDatos(rutaCache, 'sha521-NOT+IN/CACHE==').then(console.log)
+
+// Salida
+false
+```
+
+#### <a name="put-data"></a> `> cacache.mete(cache, clave, datos, [ops]) -> Promise`
+
+Inserta `datos` en el caché. El `Promise` devuelto se resuelve con un hacheo
+(generado conforme a [`ops.algorithms`](#optsalgorithms)) después que la entrada
+haya sido escrita en completo.
+
+##### Ejemplo
+
+```javascript
+fetch(
+  'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
+).then(datos => {
+  return cacache.mete(rutaCache, 'registry.npmjs.org|cacache@1.0.0', datos)
+}).then(integridad => {
+  console.log('el hacheo de integridad es', integridad)
+})
+```
+
+#### <a name="put-stream"></a> `> cacache.mete.flujo(cache, clave, [ops]) -> Writable`
+
+Devuelve un [Writable
+Stream](https://nodejs.org/api/stream.html#stream_writable_streams) que inserta
+al caché los datos escritos a él. Emite un evento `integrity` con el hacheo del
+contenido escrito, cuando completa.
+
+##### Ejemplo
+
+```javascript
+request.get(
+  'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
+).pipe(
+  cacache.mete.flujo(
+    rutaCache, 'registry.npmjs.org|cacache@1.0.0'
+  ).on('integrity', d => console.log(`integrity digest is ${d}`))
+)
+```
+
+#### <a name="put-options"></a> `> opciones para cacache.mete`
+
+La funciones `cacache.mete` tienen un número de opciones en común.
+
+##### `ops.metadata`
+
+Metadatos del usuario que se almacenarán con la entrada.
+
+##### `ops.size`
+
+El tamaño declarado de los datos que se van a insertar. Si es proveído, cacache
+verificará que los datos escritos sean de ese tamaño, o si no, fallará con un
+error con código `EBADSIZE`.
+
+##### `ops.integrity`
+
+El hacheo de integridad de los datos siendo escritos.
+
+Si es proveído, y los datos escritos no le corresponden, la operación fallará
+con un error con código `EINTEGRITY`.
+
+`ops.algorithms` no tiene ningún efecto si esta opción está presente.
+
+##### `ops.algorithms`
+
+Por Defecto: `['sha512']`
+
+Algoritmos que se deben usar cuando se calcule el hacheo de [subresource
+integrity](#integrity) para los datos insertados. Puede usar cualquier algoritmo
+enumerado en `crypto.getHashes()`.
+
+Por el momento, sólo se acepta un algoritmo (dígase, un array con exáctamente un
+valor). No tiene ningún efecto si `ops.integrity` también ha sido proveido.
+
+##### `ops.uid`/`ops.gid`
+
+Si están presentes, cacache hará todo lo posible para asegurarse que todos los
+ficheros creados en el proceso de sus operaciones en el caché usen esta
+combinación en particular.
+
+##### `ops.memoize`
+
+Por Defecto: `null`
+
+Si es verdad, cacache tratará de memoizar los datos de la entrada en memoria. La
+próxima vez que el proceso corriente trate de accesar los datos o entrada,
+cacache buscará en memoria antes de buscar en disco.
+
+Si `ops.memoize` es un objeto regular o un objeto como `Map` (es decir, un
+objeto con métodos `get()` y `set()`), este objeto en sí sera usado en vez del
+caché de memoria global. Esto permite tener lógica específica a tu aplicación
+encuanto al almacenaje en memoria de tus datos.
+
+Si quieres asegurarte que los datos se lean del disco en vez de memoria, usa
+`memoize: false` cuando uses funciones de `cacache.saca`.
+
+#### <a name="rm-all"></a> `> cacache.rm.todo(cache) -> Promise`
+
+Borra el caché completo, incluyendo ficheros temporeros, ficheros de datos, y el
+índice del caché.
+
+##### Ejemplo
+
+```javascript
+cacache.rm.todo(rutaCache).then(() => {
+  console.log('THE APOCALYPSE IS UPON US 😱')
+})
+```
+
+#### <a name="rm-entry"></a> `> cacache.rm.entrada(cache, clave) -> Promise`
+
+Alias: `cacache.rm`
+
+Borra la entrada `clave` del índuce. El contenido asociado con esta entrada
+seguirá siendo accesible por hacheo usando
+[`saca.flujo.porHacheo`](#get-stream).
+
+Para borrar el contenido en sí, usa [`rm.datos`](#rm-content). Si quieres hacer
+esto de manera más segura (pues ficheros de contenido pueden ser usados por
+multiples entradas), usa [`verifica`](#verify) para borrar huérfanos.
+
+##### Ejemplo
+
+```javascript
+cacache.rm.entrada(rutaCache, 'my-thing').then(() => {
+  console.log('I did not like it anyway')
+})
+```
+
+#### <a name="rm-content"></a> `> cacache.rm.datos(cache, integrity) -> Promise`
+
+Borra el contenido identificado por `integrity`. Cualquier entrada que se
+refiera a este contenido quedarán huérfanas y se invalidarán si se tratan de
+accesar, al menos que contenido idéntico sea añadido bajo `integrity`.
+
+##### Ejemplo
+
+```javascript
+cacache.rm.datos(rutaCache, 'sha512-SoMeDIGest/IN+BaSE64==').then(() => {
+  console.log('los datos para `mi-cosa` se borraron')
+})
+```
+
+#### <a name="set-locale"></a> `> cacache.ponLenguaje(locale)`
+
+Configura el lenguaje usado para mensajes y errores de cacache. La lista de
+lenguajes disponibles está en el directorio `./locales` del proyecto.
+
+_Te interesa añadir más lenguajes? [Somete un PR](CONTRIBUTING.md)!_
+
+#### <a name="clear-memoized"></a> `> cacache.limpiaMemoizado()`
+
+Completamente reinicializa el caché de memoria interno. Si estás usando tu
+propio objecto con `ops.memoize`, debes hacer esto de manera específica a él.
+
+#### <a name="tmp-mkdir"></a> `> tmp.hazdir(cache, ops) -> Promise<Path>`
+
+Alias: `tmp.mkdir`
+
+Devuelve un directorio único dentro del directorio `tmp` del caché.
+
+Una vez tengas el directorio, es responsabilidad tuya asegurarte que todos los
+ficheros escrito a él sean creados usando los permisos y `uid`/`gid` concordante
+con el caché. Si no, puedes pedirle a cacache que lo haga llamando a
+[`cacache.tmp.fix()`](#tmp-fix). Esta función arreglará todos los permisos en el
+directorio tmp.
+
+Si quieres que cacache limpie el directorio automáticamente cuando termines, usa
+[`cacache.tmp.conTmp()`](#with-tpm).
+
+##### Ejemplo
+
+```javascript
+cacache.tmp.mkdir(cache).then(dir => {
+  fs.writeFile(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
+})
+```
+
+#### <a name="with-tmp"></a> `> tmp.conTmp(cache, ops, cb) -> Promise`
+
+Crea un directorio temporero con [`tmp.mkdir()`](#tmp-mkdir) y ejecuta `cb` con
+él como primer argumento. El directorio creado será removido automáticamente
+cuando el valor devolvido por `cb()` se resuelva.
+
+Las mismas advertencias aplican en cuanto a manejando permisos para los ficheros
+dentro del directorio.
+
+##### Ejemplo
+
+```javascript
+cacache.tmp.conTmp(cache, dir => {
+  return fs.writeFileAsync(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
+}).then(() => {
+  // `dir` no longer exists
+})
+```
+
+#### <a name="integrity"></a> Hacheos de Subresource Integrity
+
+cacache usa strings que siguen la especificación de [Subresource Integrity
+spec](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity).
+
+Es decir, donde quiera cacache espera un argumento o opción `integrity`, ese
+string debería usar el formato `<algoritmo>-<hacheo-base64>`.
+
+Una variación importante sobre los hacheos que cacache acepta es que acepta el
+nombre de cualquier algoritmo aceptado por el proceso de Node.js donde se usa.
+Puedes usar `crypto.getHashes()` para ver cuales están disponibles.
+
+##### Generando tus propios hacheos
+
+Si tienes un `shasum`, en general va a estar en formato de string hexadecimal
+(es decir, un `sha1` se vería como algo así:
+`5f5513f8822fdbe5145af33b64d8d970dcf95c6e`).
+
+Para ser compatible con cacache, necesitas convertir esto a su equivalente en
+subresource integrity. Por ejemplo, el hacheo correspondiente al ejemplo
+anterior sería: `sha1-X1UT+IIv2+UUWvM7ZNjZcNz5XG4=`.
+
+Puedes usar código así para generarlo por tu cuenta:
+
+```javascript
+const crypto = require('crypto')
+const algoritmo = 'sha512'
+const datos = 'foobarbaz'
+
+const integrity = (
+  algorithm +
+  '-' +
+  crypto.createHash(algoritmo).update(datos).digest('base64')
+)
+```
+
+También puedes usar [`ssri`](https://npm.im/ssri) para deferir el trabajo a otra
+librería que garantiza que todo esté correcto, pues maneja probablemente todas
+las operaciones que tendrías que hacer con SRIs, incluyendo convirtiendo entre
+hexadecimal y el formato SRI.
+
+#### <a name="verify"></a> `> cacache.verifica(cache, ops) -> Promise`
+
+Examina y arregla tu caché:
+
+* Limpia entradas inválidas, huérfanas y corrompidas
+* Te deja filtrar cuales entradas retener, con tu propio filtro
+* Reclama cualquier ficheros de contenido sin referencias en el índice
+* Verifica integridad de todos los ficheros de contenido y remueve los malos
+* Arregla permisos del caché
+* Remieve el directorio `tmp` en el caché, y todo su contenido.
+
+Cuando termine, devuelve un objeto con varias estadísticas sobre el proceso de
+verificación, por ejemplo la cantidad de espacio de disco reclamado, el número
+de entradas válidas, número de entradas removidas, etc.
+
+##### Opciones
+
+* `ops.uid` - uid para asignarle al caché y su contenido
+* `ops.gid` - gid para asignarle al caché y su contenido
+* `ops.filter` - recibe una entrada como argumento. Devuelve falso para removerla. Nota: es posible que esta función sea invocada con la misma entrada más de una vez.
+
+##### Example
+
+```sh
+echo somegarbage >> $RUTACACHE/content/deadbeef
+```
+
+```javascript
+cacache.verifica(rutaCache).then(stats => {
+  // deadbeef collected, because of invalid checksum.
+  console.log('cache is much nicer now! stats:', stats)
+})
+```
+
+#### <a name="verify-last-run"></a> `> cacache.verifica.ultimaVez(cache) -> Promise`
+
+Alias: `últimaVez`
+
+Devuelve un `Date` que representa la última vez que `cacache.verifica` fue
+ejecutada en `cache`.
+
+##### Example
+
+```javascript
+cacache.verifica(rutaCache).then(() => {
+  cacache.verifica.ultimaVez(rutaCache).then(última => {
+    console.log('La última vez que se usó cacache.verifica() fue ' + última)
+  })
+})
+```
diff --git a/node_modules/cacache/README.md b/node_modules/cacache/README.md
new file mode 100644
index 00000000..7f8ec5ee
--- /dev/null
+++ b/node_modules/cacache/README.md
@@ -0,0 +1,641 @@
+# cacache [![npm version](https://img.shields.io/npm/v/cacache.svg)](https://npm.im/cacache) [![license](https://img.shields.io/npm/l/cacache.svg)](https://npm.im/cacache) [![Travis](https://img.shields.io/travis/npm/cacache.svg)](https://travis-ci.org/npm/cacache) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/npm/cacache?svg=true)](https://ci.appveyor.com/project/npm/cacache) [![Coverage Status](https://coveralls.io/repos/github/npm/cacache/badge.svg?branch=latest)](https://coveralls.io/github/npm/cacache?branch=latest)
+
+[`cacache`](https://github.com/npm/cacache) is a Node.js library for managing
+local key and content address caches. It's really fast, really good at
+concurrency, and it will never give you corrupted data, even if cache files
+get corrupted or manipulated.
+
+On systems that support user and group settings on files, cacache will
+match the `uid` and `gid` values to the folder where the cache lives, even
+when running as `root`.
+
+It was written to be used as [npm](https://npm.im)'s local cache, but can
+just as easily be used on its own.
+
+_Translations: [español](README.es.md)_
+
+## Install
+
+`$ npm install --save cacache`
+
+## Table of Contents
+
+* [Example](#example)
+* [Features](#features)
+* [Contributing](#contributing)
+* [API](#api)
+  * [Using localized APIs](#localized-api)
+  * Reading
+    * [`ls`](#ls)
+    * [`ls.stream`](#ls-stream)
+    * [`get`](#get-data)
+    * [`get.stream`](#get-stream)
+    * [`get.info`](#get-info)
+    * [`get.hasContent`](#get-hasContent)
+  * Writing
+    * [`put`](#put-data)
+    * [`put.stream`](#put-stream)
+    * [`put*` opts](#put-options)
+    * [`rm.all`](#rm-all)
+    * [`rm.entry`](#rm-entry)
+    * [`rm.content`](#rm-content)
+  * Utilities
+    * [`setLocale`](#set-locale)
+    * [`clearMemoized`](#clear-memoized)
+    * [`tmp.mkdir`](#tmp-mkdir)
+    * [`tmp.withTmp`](#with-tmp)
+  * Integrity
+    * [Subresource Integrity](#integrity)
+    * [`verify`](#verify)
+    * [`verify.lastRun`](#verify-last-run)
+
+### Example
+
+```javascript
+const cacache = require('cacache/en')
+const fs = require('fs')
+
+const tarball = '/path/to/mytar.tgz'
+const cachePath = '/tmp/my-toy-cache'
+const key = 'my-unique-key-1234'
+
+// Cache it! Use `cachePath` as the root of the content cache
+cacache.put(cachePath, key, '10293801983029384').then(integrity => {
+  console.log(`Saved content to ${cachePath}.`)
+})
+
+const destination = '/tmp/mytar.tgz'
+
+// Copy the contents out of the cache and into their destination!
+// But this time, use stream instead!
+cacache.get.stream(
+  cachePath, key
+).pipe(
+  fs.createWriteStream(destination)
+).on('finish', () => {
+  console.log('done extracting!')
+})
+
+// The same thing, but skip the key index.
+cacache.get.byDigest(cachePath, integrityHash).then(data => {
+  fs.writeFile(destination, data, err => {
+    console.log('tarball data fetched based on its sha512sum and written out!')
+  })
+})
+```
+
+### Features
+
+* Extraction by key or by content address (shasum, etc)
+* [Subresource Integrity](#integrity) web standard support
+* Multi-hash support - safely host sha1, sha512, etc, in a single cache
+* Automatic content deduplication
+* Fault tolerance (immune to corruption, partial writes, process races, etc)
+* Consistency guarantees on read and write (full data verification)
+* Lockless, high-concurrency cache access
+* Streaming support
+* Promise support
+* Pretty darn fast -- sub-millisecond reads and writes including verification
+* Arbitrary metadata storage
+* Garbage collection and additional offline verification
+* Thorough test coverage
+* There's probably a bloom filter in there somewhere. Those are cool, right? 🤔
+
+### Contributing
+
+The cacache team enthusiastically welcomes contributions and project participation! There's a bunch of things you can do if you want to contribute! The [Contributor Guide](CONTRIBUTING.md) has all the information you need for everything from reporting bugs to contributing entire new features. Please don't hesitate to jump in if you'd like to, or even ask us questions if something isn't clear.
+
+All participants and maintainers in this project are expected to follow [Code of Conduct](CODE_OF_CONDUCT.md), and just generally be excellent to each other.
+
+Please refer to the [Changelog](CHANGELOG.md) for project history details, too.
+
+Happy hacking!
+
+### API
+
+#### <a name="localized-api"></a> Using localized APIs
+
+cacache includes a complete API in English, with the same features as other
+translations. To use the English API as documented in this README, use
+`require('cacache/en')`. This is also currently the default if you do
+`require('cacache')`, but may change in the future.
+
+cacache also supports other languages! You can find the list of currently
+supported ones by looking in `./locales` in the source directory. You can use
+the API in that language with `require('cacache/<lang>')`.
+
+Want to add support for a new language? Please go ahead! You should be able to
+copy `./locales/en.js` and `./locales/en.json` and fill them in. Translating the
+`README.md` is a bit more work, but also appreciated if you get around to it. 👍🏼
+
+#### <a name="ls"></a> `> cacache.ls(cache) -> Promise<Object>`
+
+Lists info for all entries currently in the cache as a single large object. Each
+entry in the object will be keyed by the unique index key, with corresponding
+[`get.info`](#get-info) objects as the values.
+
+##### Example
+
+```javascript
+cacache.ls(cachePath).then(console.log)
+// Output
+{
+  'my-thing': {
+    key: 'my-thing',
+    integrity: 'sha512-BaSe64/EnCoDED+HAsh=='
+    path: '.testcache/content/deadbeef', // joined with `cachePath`
+    time: 12345698490,
+    size: 4023948,
+    metadata: {
+      name: 'blah',
+      version: '1.2.3',
+      description: 'this was once a package but now it is my-thing'
+    }
+  },
+  'other-thing': {
+    key: 'other-thing',
+    integrity: 'sha1-ANothER+hasH=',
+    path: '.testcache/content/bada55',
+    time: 11992309289,
+    size: 111112
+  }
+}
+```
+
+#### <a name="ls-stream"></a> `> cacache.ls.stream(cache) -> Readable`
+
+Lists info for all entries currently in the cache as a single large object.
+
+This works just like [`ls`](#ls), except [`get.info`](#get-info) entries are
+returned as `'data'` events on the returned stream.
+
+##### Example
+
+```javascript
+cacache.ls.stream(cachePath).on('data', console.log)
+// Output
+{
+  key: 'my-thing',
+  integrity: 'sha512-BaSe64HaSh',
+  path: '.testcache/content/deadbeef', // joined with `cachePath`
+  time: 12345698490,
+  size: 13423,
+  metadata: {
+    name: 'blah',
+    version: '1.2.3',
+    description: 'this was once a package but now it is my-thing'
+  }
+}
+
+{
+  key: 'other-thing',
+  integrity: 'whirlpool-WoWSoMuchSupport',
+  path: '.testcache/content/bada55',
+  time: 11992309289,
+  size: 498023984029
+}
+
+{
+  ...
+}
+```
+
+#### <a name="get-data"></a> `> cacache.get(cache, key, [opts]) -> Promise({data, metadata, integrity})`
+
+Returns an object with the cached data, digest, and metadata identified by
+`key`. The `data` property of this object will be a `Buffer` instance that
+presumably holds some data that means something to you. I'm sure you know what
+to do with it! cacache just won't care.
+
+`integrity` is a [Subresource
+Integrity](#integrity)
+string. That is, a string that can be used to verify `data`, which looks like
+`<hash-algorithm>-<base64-integrity-hash>`.
+
+If there is no content identified by `key`, or if the locally-stored data does
+not pass the validity checksum, the promise will be rejected.
+
+A sub-function, `get.byDigest` may be used for identical behavior, except lookup
+will happen by integrity hash, bypassing the index entirely. This version of the
+function *only* returns `data` itself, without any wrapper.
+
+##### Note
+
+This function loads the entire cache entry into memory before returning it. If
+you're dealing with Very Large data, consider using [`get.stream`](#get-stream)
+instead.
+
+##### Example
+
+```javascript
+// Look up by key
+cache.get(cachePath, 'my-thing').then(console.log)
+// Output:
+{
+  metadata: {
+    thingName: 'my'
+  },
+  integrity: 'sha512-BaSe64HaSh',
+  data: Buffer#<deadbeef>,
+  size: 9320
+}
+
+// Look up by digest
+cache.get.byDigest(cachePath, 'sha512-BaSe64HaSh').then(console.log)
+// Output:
+Buffer#<deadbeef>
+```
+
+#### <a name="get-stream"></a> `> cacache.get.stream(cache, key, [opts]) -> Readable`
+
+Returns a [Readable Stream](https://nodejs.org/api/stream.html#stream_readable_streams) of the cached data identified by `key`.
+
+If there is no content identified by `key`, or if the locally-stored data does
+not pass the validity checksum, an error will be emitted.
+
+`metadata` and `integrity` events will be emitted before the stream closes, if
+you need to collect that extra data about the cached entry.
+
+A sub-function, `get.stream.byDigest` may be used for identical behavior,
+except lookup will happen by integrity hash, bypassing the index entirely. This
+version does not emit the `metadata` and `integrity` events at all.
+
+##### Example
+
+```javascript
+// Look up by key
+cache.get.stream(
+  cachePath, 'my-thing'
+).on('metadata', metadata => {
+  console.log('metadata:', metadata)
+}).on('integrity', integrity => {
+  console.log('integrity:', integrity)
+}).pipe(
+  fs.createWriteStream('./x.tgz')
+)
+// Outputs:
+metadata: { ... }
+integrity: 'sha512-SoMeDIGest+64=='
+
+// Look up by digest
+cache.get.stream.byDigest(
+  cachePath, 'sha512-SoMeDIGest+64=='
+).pipe(
+  fs.createWriteStream('./x.tgz')
+)
+```
+
+#### <a name="get-info"></a> `> cacache.get.info(cache, key) -> Promise`
+
+Looks up `key` in the cache index, returning information about the entry if
+one exists.
+
+##### Fields
+
+* `key` - Key the entry was looked up under. Matches the `key` argument.
+* `integrity` - [Subresource Integrity hash](#integrity) for the content this entry refers to.
+* `path` - Filesystem path where content is stored, joined with `cache` argument.
+* `time` - Timestamp the entry was first added on.
+* `metadata` - User-assigned metadata associated with the entry/content.
+
+##### Example
+
+```javascript
+cacache.get.info(cachePath, 'my-thing').then(console.log)
+
+// Output
+{
+  key: 'my-thing',
+  integrity: 'sha256-MUSTVERIFY+ALL/THINGS=='
+  path: '.testcache/content/deadbeef',
+  time: 12345698490,
+  size: 849234,
+  metadata: {
+    name: 'blah',
+    version: '1.2.3',
+    description: 'this was once a package but now it is my-thing'
+  }
+}
+```
+
+#### <a name="get-hasContent"></a> `> cacache.get.hasContent(cache, integrity) -> Promise`
+
+Looks up a [Subresource Integrity hash](#integrity) in the cache. If content
+exists for this `integrity`, it will return an object, with the specific single integrity hash
+that was found in `sri` key, and the size of the found content as `size`. If no content exists for this integrity, it will return `false`.
+
+##### Example
+
+```javascript
+cacache.get.hasContent(cachePath, 'sha256-MUSTVERIFY+ALL/THINGS==').then(console.log)
+
+// Output
+{
+  sri: {
+    source: 'sha256-MUSTVERIFY+ALL/THINGS==',
+    algorithm: 'sha256',
+    digest: 'MUSTVERIFY+ALL/THINGS==',
+    options: []
+  },
+  size: 9001
+}
+
+cacache.get.hasContent(cachePath, 'sha521-NOT+IN/CACHE==').then(console.log)
+
+// Output
+false
+```
+
+#### <a name="put-data"></a> `> cacache.put(cache, key, data, [opts]) -> Promise`
+
+Inserts data passed to it into the cache. The returned Promise resolves with a
+digest (generated according to [`opts.algorithms`](#optsalgorithms)) after the
+cache entry has been successfully written.
+
+##### Example
+
+```javascript
+fetch(
+  'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
+).then(data => {
+  return cacache.put(cachePath, 'registry.npmjs.org|cacache@1.0.0', data)
+}).then(integrity => {
+  console.log('integrity hash is', integrity)
+})
+```
+
+#### <a name="put-stream"></a> `> cacache.put.stream(cache, key, [opts]) -> Writable`
+
+Returns a [Writable
+Stream](https://nodejs.org/api/stream.html#stream_writable_streams) that inserts
+data written to it into the cache. Emits an `integrity` event with the digest of
+written contents when it succeeds.
+
+##### Example
+
+```javascript
+request.get(
+  'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
+).pipe(
+  cacache.put.stream(
+    cachePath, 'registry.npmjs.org|cacache@1.0.0'
+  ).on('integrity', d => console.log(`integrity digest is ${d}`))
+)
+```
+
+#### <a name="put-options"></a> `> cacache.put options`
+
+`cacache.put` functions have a number of options in common.
+
+##### `opts.metadata`
+
+Arbitrary metadata to be attached to the inserted key.
+
+##### `opts.size`
+
+If provided, the data stream will be verified to check that enough data was
+passed through. If there's more or less data than expected, insertion will fail
+with an `EBADSIZE` error.
+
+##### `opts.integrity`
+
+If present, the pre-calculated digest for the inserted content. If this option
+if provided and does not match the post-insertion digest, insertion will fail
+with an `EINTEGRITY` error.
+
+`algorithms` has no effect if this option is present.
+
+##### `opts.algorithms`
+
+Default: ['sha512']
+
+Hashing algorithms to use when calculating the [subresource integrity
+digest](#integrity)
+for inserted data. Can use any algorithm listed in `crypto.getHashes()` or
+`'omakase'`/`'お任せします'` to pick a random hash algorithm on each insertion. You
+may also use any anagram of `'modnar'` to use this feature.
+
+Currently only supports one algorithm at a time (i.e., an array length of
+exactly `1`). Has no effect if `opts.integrity` is present.
+
+##### `opts.memoize`
+
+Default: null
+
+If provided, cacache will memoize the given cache insertion in memory, bypassing
+any filesystem checks for that key or digest in future cache fetches. Nothing
+will be written to the in-memory cache unless this option is explicitly truthy.
+
+If `opts.memoize` is an object or a `Map`-like (that is, an object with `get`
+and `set` methods), it will be written to instead of the global memoization
+cache.
+
+Reading from disk data can be forced by explicitly passing `memoize: false` to
+the reader functions, but their default will be to read from memory.
+
+#### <a name="rm-all"></a> `> cacache.rm.all(cache) -> Promise`
+
+Clears the entire cache. Mainly by blowing away the cache directory itself.
+
+##### Example
+
+```javascript
+cacache.rm.all(cachePath).then(() => {
+  console.log('THE APOCALYPSE IS UPON US 😱')
+})
+```
+
+#### <a name="rm-entry"></a> `> cacache.rm.entry(cache, key) -> Promise`
+
+Alias: `cacache.rm`
+
+Removes the index entry for `key`. Content will still be accessible if
+requested directly by content address ([`get.stream.byDigest`](#get-stream)).
+
+To remove the content itself (which might still be used by other entries), use
+[`rm.content`](#rm-content). Or, to safely vacuum any unused content, use
+[`verify`](#verify).
+
+##### Example
+
+```javascript
+cacache.rm.entry(cachePath, 'my-thing').then(() => {
+  console.log('I did not like it anyway')
+})
+```
+
+#### <a name="rm-content"></a> `> cacache.rm.content(cache, integrity) -> Promise`
+
+Removes the content identified by `integrity`. Any index entries referring to it
+will not be usable again until the content is re-added to the cache with an
+identical digest.
+
+##### Example
+
+```javascript
+cacache.rm.content(cachePath, 'sha512-SoMeDIGest/IN+BaSE64==').then(() => {
+  console.log('data for my-thing is gone!')
+})
+```
+
+#### <a name="set-locale"></a> `> cacache.setLocale(locale)`
+
+Configure the language/locale used for messages and errors coming from cacache.
+The list of available locales is in the `./locales` directory in the project
+root.
+
+_Interested in contributing more languages! [Submit a PR](CONTRIBUTING.md)!_
+
+#### <a name="clear-memoized"></a> `> cacache.clearMemoized()`
+
+Completely resets the in-memory entry cache.
+
+#### <a name="tmp-mkdir"></a> `> tmp.mkdir(cache, opts) -> Promise<Path>`
+
+Returns a unique temporary directory inside the cache's `tmp` dir. This
+directory will use the same safe user assignment that all the other stuff use.
+
+Once the directory is made, it's the user's responsibility that all files
+within are given the appropriate `gid`/`uid` ownership settings to match
+the rest of the cache. If not, you can ask cacache to do it for you by
+calling [`tmp.fix()`](#tmp-fix), which will fix all tmp directory
+permissions.
+
+If you want automatic cleanup of this directory, use
+[`tmp.withTmp()`](#with-tpm)
+
+##### Example
+
+```javascript
+cacache.tmp.mkdir(cache).then(dir => {
+  fs.writeFile(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
+})
+```
+
+#### <a name="tmp-fix"></a> `> tmp.fix(cache) -> Promise`
+
+Sets the `uid` and `gid` properties on all files and folders within the tmp
+folder to match the rest of the cache.
+
+Use this after manually writing files into [`tmp.mkdir`](#tmp-mkdir) or
+[`tmp.withTmp`](#with-tmp).
+
+##### Example
+
+```javascript
+cacache.tmp.mkdir(cache).then(dir => {
+  writeFile(path.join(dir, 'file'), someData).then(() => {
+    // make sure we didn't just put a root-owned file in the cache
+    cacache.tmp.fix().then(() => {
+      // all uids and gids match now
+    })
+  })
+})
+```
+
+#### <a name="with-tmp"></a> `> tmp.withTmp(cache, opts, cb) -> Promise`
+
+Creates a temporary directory with [`tmp.mkdir()`](#tmp-mkdir) and calls `cb`
+with it. The created temporary directory will be removed when the return value
+of `cb()` resolves -- that is, if you return a Promise from `cb()`, the tmp
+directory will be automatically deleted once that promise completes.
+
+The same caveats apply when it comes to managing permissions for the tmp dir's
+contents.
+
+##### Example
+
+```javascript
+cacache.tmp.withTmp(cache, dir => {
+  return fs.writeFileAsync(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
+}).then(() => {
+  // `dir` no longer exists
+})
+```
+
+#### <a name="integrity"></a> Subresource Integrity Digests
+
+For content verification and addressing, cacache uses strings following the
+[Subresource
+Integrity spec](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity).
+That is, any time cacache expects an `integrity` argument or option, it
+should be in the format `<hashAlgorithm>-<base64-hash>`.
+
+One deviation from the current spec is that cacache will support any hash
+algorithms supported by the underlying Node.js process. You can use
+`crypto.getHashes()` to see which ones you can use.
+
+##### Generating Digests Yourself
+
+If you have an existing content shasum, they are generally formatted as a
+hexadecimal string (that is, a sha1 would look like:
+`5f5513f8822fdbe5145af33b64d8d970dcf95c6e`). In order to be compatible with
+cacache, you'll need to convert this to an equivalent subresource integrity
+string. For this example, the corresponding hash would be:
+`sha1-X1UT+IIv2+UUWvM7ZNjZcNz5XG4=`.
+
+If you want to generate an integrity string yourself for existing data, you can
+use something like this:
+
+```javascript
+const crypto = require('crypto')
+const hashAlgorithm = 'sha512'
+const data = 'foobarbaz'
+
+const integrity = (
+  hashAlgorithm +
+  '-' +
+  crypto.createHash(hashAlgorithm).update(data).digest('base64')
+)
+```
+
+You can also use [`ssri`](https://npm.im/ssri) to have a richer set of functionality
+around SRI strings, including generation, parsing, and translating from existing
+hex-formatted strings.
+
+#### <a name="verify"></a> `> cacache.verify(cache, opts) -> Promise`
+
+Checks out and fixes up your cache:
+
+* Cleans up corrupted or invalid index entries.
+* Custom entry filtering options.
+* Garbage collects any content entries not referenced by the index.
+* Checks integrity for all content entries and removes invalid content.
+* Fixes cache ownership.
+* Removes the `tmp` directory in the cache and all its contents.
+
+When it's done, it'll return an object with various stats about the verification
+process, including amount of storage reclaimed, number of valid entries, number
+of entries removed, etc.
+
+##### Options
+
+* `opts.filter` - receives a formatted entry. Return false to remove it.
+                  Note: might be called more than once on the same entry.
+
+##### Example
+
+```sh
+echo somegarbage >> $CACHEPATH/content/deadbeef
+```
+
+```javascript
+cacache.verify(cachePath).then(stats => {
+  // deadbeef collected, because of invalid checksum.
+  console.log('cache is much nicer now! stats:', stats)
+})
+```
+
+#### <a name="verify-last-run"></a> `> cacache.verify.lastRun(cache) -> Promise`
+
+Returns a `Date` representing the last time `cacache.verify` was run on `cache`.
+
+##### Example
+
+```javascript
+cacache.verify(cachePath).then(() => {
+  cacache.verify.lastRun(cachePath).then(lastTime => {
+    console.log('cacache.verify was last called on' + lastTime)
+  })
+})
+```
diff --git a/node_modules/cacache/en.js b/node_modules/cacache/en.js
new file mode 100644
index 00000000..a3db581c
--- /dev/null
+++ b/node_modules/cacache/en.js
@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = require('./locales/en.js')
diff --git a/node_modules/cacache/es.js b/node_modules/cacache/es.js
new file mode 100644
index 00000000..6282363c
--- /dev/null
+++ b/node_modules/cacache/es.js
@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = require('./locales/es.js')
diff --git a/node_modules/cacache/get.js b/node_modules/cacache/get.js
new file mode 100644
index 00000000..008cb83a
--- /dev/null
+++ b/node_modules/cacache/get.js
@@ -0,0 +1,247 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const figgyPudding = require('figgy-pudding')
+const fs = require('fs')
+const index = require('./lib/entry-index')
+const memo = require('./lib/memoization')
+const pipe = require('mississippi').pipe
+const pipeline = require('mississippi').pipeline
+const read = require('./lib/content/read')
+const through = require('mississippi').through
+
+const GetOpts = figgyPudding({
+  integrity: {},
+  memoize: {},
+  size: {}
+})
+
+module.exports = function get (cache, key, opts) {
+  return getData(false, cache, key, opts)
+}
+module.exports.byDigest = function getByDigest (cache, digest, opts) {
+  return getData(true, cache, digest, opts)
+}
+function getData (byDigest, cache, key, opts) {
+  opts = GetOpts(opts)
+  const memoized = (
+    byDigest
+      ? memo.get.byDigest(cache, key, opts)
+      : memo.get(cache, key, opts)
+  )
+  if (memoized && opts.memoize !== false) {
+    return BB.resolve(byDigest ? memoized : {
+      metadata: memoized.entry.metadata,
+      data: memoized.data,
+      integrity: memoized.entry.integrity,
+      size: memoized.entry.size
+    })
+  }
+  return (
+    byDigest ? BB.resolve(null) : index.find(cache, key, opts)
+  ).then(entry => {
+    if (!entry && !byDigest) {
+      throw new index.NotFoundError(cache, key)
+    }
+    return read(cache, byDigest ? key : entry.integrity, {
+      integrity: opts.integrity,
+      size: opts.size
+    }).then(data => byDigest ? data : {
+      metadata: entry.metadata,
+      data: data,
+      size: entry.size,
+      integrity: entry.integrity
+    }).then(res => {
+      if (opts.memoize && byDigest) {
+        memo.put.byDigest(cache, key, res, opts)
+      } else if (opts.memoize) {
+        memo.put(cache, entry, res.data, opts)
+      }
+      return res
+    })
+  })
+}
+
+module.exports.sync = function get (cache, key, opts) {
+  return getDataSync(false, cache, key, opts)
+}
+module.exports.sync.byDigest = function getByDigest (cache, digest, opts) {
+  return getDataSync(true, cache, digest, opts)
+}
+function getDataSync (byDigest, cache, key, opts) {
+  opts = GetOpts(opts)
+  const memoized = (
+    byDigest
+      ? memo.get.byDigest(cache, key, opts)
+      : memo.get(cache, key, opts)
+  )
+  if (memoized && opts.memoize !== false) {
+    return byDigest ? memoized : {
+      metadata: memoized.entry.metadata,
+      data: memoized.data,
+      integrity: memoized.entry.integrity,
+      size: memoized.entry.size
+    }
+  }
+  const entry = !byDigest && index.find.sync(cache, key, opts)
+  if (!entry && !byDigest) {
+    throw new index.NotFoundError(cache, key)
+  }
+  const data = read.sync(
+    cache,
+    byDigest ? key : entry.integrity,
+    {
+      integrity: opts.integrity,
+      size: opts.size
+    }
+  )
+  const res = byDigest
+    ? data
+    : {
+      metadata: entry.metadata,
+      data: data,
+      size: entry.size,
+      integrity: entry.integrity
+    }
+  if (opts.memoize && byDigest) {
+    memo.put.byDigest(cache, key, res, opts)
+  } else if (opts.memoize) {
+    memo.put(cache, entry, res.data, opts)
+  }
+  return res
+}
+
+module.exports.stream = getStream
+function getStream (cache, key, opts) {
+  opts = GetOpts(opts)
+  let stream = through()
+  const memoized = memo.get(cache, key, opts)
+  if (memoized && opts.memoize !== false) {
+    stream.on('newListener', function (ev, cb) {
+      ev === 'metadata' && cb(memoized.entry.metadata)
+      ev === 'integrity' && cb(memoized.entry.integrity)
+      ev === 'size' && cb(memoized.entry.size)
+    })
+    stream.write(memoized.data, () => stream.end())
+    return stream
+  }
+  index.find(cache, key).then(entry => {
+    if (!entry) {
+      return stream.emit(
+        'error', new index.NotFoundError(cache, key)
+      )
+    }
+    let memoStream
+    if (opts.memoize) {
+      let memoData = []
+      let memoLength = 0
+      memoStream = through((c, en, cb) => {
+        memoData && memoData.push(c)
+        memoLength += c.length
+        cb(null, c, en)
+      }, cb => {
+        memoData && memo.put(cache, entry, Buffer.concat(memoData, memoLength), opts)
+        cb()
+      })
+    } else {
+      memoStream = through()
+    }
+    stream.emit('metadata', entry.metadata)
+    stream.emit('integrity', entry.integrity)
+    stream.emit('size', entry.size)
+    stream.on('newListener', function (ev, cb) {
+      ev === 'metadata' && cb(entry.metadata)
+      ev === 'integrity' && cb(entry.integrity)
+      ev === 'size' && cb(entry.size)
+    })
+    pipe(
+      read.readStream(cache, entry.integrity, opts.concat({
+        size: opts.size == null ? entry.size : opts.size
+      })),
+      memoStream,
+      stream
+    )
+  }).catch(err => stream.emit('error', err))
+  return stream
+}
+
+module.exports.stream.byDigest = getStreamDigest
+function getStreamDigest (cache, integrity, opts) {
+  opts = GetOpts(opts)
+  const memoized = memo.get.byDigest(cache, integrity, opts)
+  if (memoized && opts.memoize !== false) {
+    const stream = through()
+    stream.write(memoized, () => stream.end())
+    return stream
+  } else {
+    let stream = read.readStream(cache, integrity, opts)
+    if (opts.memoize) {
+      let memoData = []
+      let memoLength = 0
+      const memoStream = through((c, en, cb) => {
+        memoData && memoData.push(c)
+        memoLength += c.length
+        cb(null, c, en)
+      }, cb => {
+        memoData && memo.put.byDigest(
+          cache,
+          integrity,
+          Buffer.concat(memoData, memoLength),
+          opts
+        )
+        cb()
+      })
+      stream = pipeline(stream, memoStream)
+    }
+    return stream
+  }
+}
+
+module.exports.info = info
+function info (cache, key, opts) {
+  opts = GetOpts(opts)
+  const memoized = memo.get(cache, key, opts)
+  if (memoized && opts.memoize !== false) {
+    return BB.resolve(memoized.entry)
+  } else {
+    return index.find(cache, key)
+  }
+}
+
+module.exports.hasContent = read.hasContent
+
+module.exports.copy = function cp (cache, key, dest, opts) {
+  return copy(false, cache, key, dest, opts)
+}
+module.exports.copy.byDigest = function cpDigest (cache, digest, dest, opts) {
+  return copy(true, cache, digest, dest, opts)
+}
+function copy (byDigest, cache, key, dest, opts) {
+  opts = GetOpts(opts)
+  if (read.copy) {
+    return (
+      byDigest ? BB.resolve(null) : index.find(cache, key, opts)
+    ).then(entry => {
+      if (!entry && !byDigest) {
+        throw new index.NotFoundError(cache, key)
+      }
+      return read.copy(
+        cache, byDigest ? key : entry.integrity, dest, opts
+      ).then(() => byDigest ? key : {
+        metadata: entry.metadata,
+        size: entry.size,
+        integrity: entry.integrity
+      })
+    })
+  } else {
+    return getData(byDigest, cache, key, opts).then(res => {
+      return fs.writeFileAsync(dest, byDigest ? res : res.data)
+        .then(() => byDigest ? key : {
+          metadata: res.metadata,
+          size: res.size,
+          integrity: res.integrity
+        })
+    })
+  }
+}
diff --git a/node_modules/cacache/index.js b/node_modules/cacache/index.js
new file mode 100644
index 00000000..a3db581c
--- /dev/null
+++ b/node_modules/cacache/index.js
@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = require('./locales/en.js')
diff --git a/node_modules/cacache/lib/content/path.js b/node_modules/cacache/lib/content/path.js
new file mode 100644
index 00000000..c67c2806
--- /dev/null
+++ b/node_modules/cacache/lib/content/path.js
@@ -0,0 +1,26 @@
+'use strict'
+
+const contentVer = require('../../package.json')['cache-version'].content
+const hashToSegments = require('../util/hash-to-segments')
+const path = require('path')
+const ssri = require('ssri')
+
+// Current format of content file path:
+//
+// sha512-BaSE64Hex= ->
+// ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee
+//
+module.exports = contentPath
+function contentPath (cache, integrity) {
+  const sri = ssri.parse(integrity, { single: true })
+  // contentPath is the *strongest* algo given
+  return path.join.apply(path, [
+    contentDir(cache),
+    sri.algorithm
+  ].concat(hashToSegments(sri.hexDigest())))
+}
+
+module.exports._contentDir = contentDir
+function contentDir (cache) {
+  return path.join(cache, `content-v${contentVer}`)
+}
diff --git a/node_modules/cacache/lib/content/read.js b/node_modules/cacache/lib/content/read.js
new file mode 100644
index 00000000..7929524f
--- /dev/null
+++ b/node_modules/cacache/lib/content/read.js
@@ -0,0 +1,195 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const contentPath = require('./path')
+const figgyPudding = require('figgy-pudding')
+const fs = require('graceful-fs')
+const PassThrough = require('stream').PassThrough
+const pipe = BB.promisify(require('mississippi').pipe)
+const ssri = require('ssri')
+const Y = require('../util/y.js')
+
+const lstatAsync = BB.promisify(fs.lstat)
+const readFileAsync = BB.promisify(fs.readFile)
+
+const ReadOpts = figgyPudding({
+  size: {}
+})
+
+module.exports = read
+function read (cache, integrity, opts) {
+  opts = ReadOpts(opts)
+  return withContentSri(cache, integrity, (cpath, sri) => {
+    return readFileAsync(cpath, null).then(data => {
+      if (typeof opts.size === 'number' && opts.size !== data.length) {
+        throw sizeError(opts.size, data.length)
+      } else if (ssri.checkData(data, sri)) {
+        return data
+      } else {
+        throw integrityError(sri, cpath)
+      }
+    })
+  })
+}
+
+module.exports.sync = readSync
+function readSync (cache, integrity, opts) {
+  opts = ReadOpts(opts)
+  return withContentSriSync(cache, integrity, (cpath, sri) => {
+    const data = fs.readFileSync(cpath)
+    if (typeof opts.size === 'number' && opts.size !== data.length) {
+      throw sizeError(opts.size, data.length)
+    } else if (ssri.checkData(data, sri)) {
+      return data
+    } else {
+      throw integrityError(sri, cpath)
+    }
+  })
+}
+
+module.exports.stream = readStream
+module.exports.readStream = readStream
+function readStream (cache, integrity, opts) {
+  opts = ReadOpts(opts)
+  const stream = new PassThrough()
+  withContentSri(cache, integrity, (cpath, sri) => {
+    return lstatAsync(cpath).then(stat => ({ cpath, sri, stat }))
+  }).then(({ cpath, sri, stat }) => {
+    return pipe(
+      fs.createReadStream(cpath),
+      ssri.integrityStream({
+        integrity: sri,
+        size: opts.size
+      }),
+      stream
+    )
+  }).catch(err => {
+    stream.emit('error', err)
+  })
+  return stream
+}
+
+let copyFileAsync
+if (fs.copyFile) {
+  module.exports.copy = copy
+  module.exports.copy.sync = copySync
+  copyFileAsync = BB.promisify(fs.copyFile)
+}
+
+function copy (cache, integrity, dest, opts) {
+  opts = ReadOpts(opts)
+  return withContentSri(cache, integrity, (cpath, sri) => {
+    return copyFileAsync(cpath, dest)
+  })
+}
+
+function copySync (cache, integrity, dest, opts) {
+  opts = ReadOpts(opts)
+  return withContentSriSync(cache, integrity, (cpath, sri) => {
+    return fs.copyFileSync(cpath, dest)
+  })
+}
+
+module.exports.hasContent = hasContent
+function hasContent (cache, integrity) {
+  if (!integrity) { return BB.resolve(false) }
+  return withContentSri(cache, integrity, (cpath, sri) => {
+    return lstatAsync(cpath).then(stat => ({ size: stat.size, sri, stat }))
+  }).catch(err => {
+    if (err.code === 'ENOENT') { return false }
+    if (err.code === 'EPERM') {
+      if (process.platform !== 'win32') {
+        throw err
+      } else {
+        return false
+      }
+    }
+  })
+}
+
+module.exports.hasContent.sync = hasContentSync
+function hasContentSync (cache, integrity) {
+  if (!integrity) { return false }
+  return withContentSriSync(cache, integrity, (cpath, sri) => {
+    try {
+      const stat = fs.lstatSync(cpath)
+      return { size: stat.size, sri, stat }
+    } catch (err) {
+      if (err.code === 'ENOENT') { return false }
+      if (err.code === 'EPERM') {
+        if (process.platform !== 'win32') {
+          throw err
+        } else {
+          return false
+        }
+      }
+    }
+  })
+}
+
+function withContentSri (cache, integrity, fn) {
+  return BB.try(() => {
+    const sri = ssri.parse(integrity)
+    // If `integrity` has multiple entries, pick the first digest
+    // with available local data.
+    const algo = sri.pickAlgorithm()
+    const digests = sri[algo]
+    if (digests.length <= 1) {
+      const cpath = contentPath(cache, digests[0])
+      return fn(cpath, digests[0])
+    } else {
+      return BB.any(sri[sri.pickAlgorithm()].map(meta => {
+        return withContentSri(cache, meta, fn)
+      }, { concurrency: 1 }))
+        .catch(err => {
+          if ([].some.call(err, e => e.code === 'ENOENT')) {
+            throw Object.assign(
+              new Error('No matching content found for ' + sri.toString()),
+              { code: 'ENOENT' }
+            )
+          } else {
+            throw err[0]
+          }
+        })
+    }
+  })
+}
+
+function withContentSriSync (cache, integrity, fn) {
+  const sri = ssri.parse(integrity)
+  // If `integrity` has multiple entries, pick the first digest
+  // with available local data.
+  const algo = sri.pickAlgorithm()
+  const digests = sri[algo]
+  if (digests.length <= 1) {
+    const cpath = contentPath(cache, digests[0])
+    return fn(cpath, digests[0])
+  } else {
+    let lastErr = null
+    for (const meta of sri[sri.pickAlgorithm()]) {
+      try {
+        return withContentSriSync(cache, meta, fn)
+      } catch (err) {
+        lastErr = err
+      }
+    }
+    if (lastErr) { throw lastErr }
+  }
+}
+
+function sizeError (expected, found) {
+  var err = new Error(Y`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`)
+  err.expected = expected
+  err.found = found
+  err.code = 'EBADSIZE'
+  return err
+}
+
+function integrityError (sri, path) {
+  var err = new Error(Y`Integrity verification failed for ${sri} (${path})`)
+  err.code = 'EINTEGRITY'
+  err.sri = sri
+  err.path = path
+  return err
+}
diff --git a/node_modules/cacache/lib/content/rm.js b/node_modules/cacache/lib/content/rm.js
new file mode 100644
index 00000000..12cf1582
--- /dev/null
+++ b/node_modules/cacache/lib/content/rm.js
@@ -0,0 +1,21 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const contentPath = require('./path')
+const hasContent = require('./read').hasContent
+const rimraf = BB.promisify(require('rimraf'))
+
+module.exports = rm
+function rm (cache, integrity) {
+  return hasContent(cache, integrity).then(content => {
+    if (content) {
+      const sri = content.sri
+      if (sri) {
+        return rimraf(contentPath(cache, sri)).then(() => true)
+      }
+    } else {
+      return false
+    }
+  })
+}
diff --git a/node_modules/cacache/lib/content/write.js b/node_modules/cacache/lib/content/write.js
new file mode 100644
index 00000000..4d96a3cf
--- /dev/null
+++ b/node_modules/cacache/lib/content/write.js
@@ -0,0 +1,164 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const contentPath = require('./path')
+const fixOwner = require('../util/fix-owner')
+const fs = require('graceful-fs')
+const moveFile = require('../util/move-file')
+const PassThrough = require('stream').PassThrough
+const path = require('path')
+const pipe = BB.promisify(require('mississippi').pipe)
+const rimraf = BB.promisify(require('rimraf'))
+const ssri = require('ssri')
+const to = require('mississippi').to
+const uniqueFilename = require('unique-filename')
+const Y = require('../util/y.js')
+
+const writeFileAsync = BB.promisify(fs.writeFile)
+
+module.exports = write
+function write (cache, data, opts) {
+  opts = opts || {}
+  if (opts.algorithms && opts.algorithms.length > 1) {
+    throw new Error(
+      Y`opts.algorithms only supports a single algorithm for now`
+    )
+  }
+  if (typeof opts.size === 'number' && data.length !== opts.size) {
+    return BB.reject(sizeError(opts.size, data.length))
+  }
+  const sri = ssri.fromData(data, {
+    algorithms: opts.algorithms
+  })
+  if (opts.integrity && !ssri.checkData(data, opts.integrity, opts)) {
+    return BB.reject(checksumError(opts.integrity, sri))
+  }
+  return BB.using(makeTmp(cache, opts), tmp => (
+    writeFileAsync(
+      tmp.target, data, { flag: 'wx' }
+    ).then(() => (
+      moveToDestination(tmp, cache, sri, opts)
+    ))
+  )).then(() => ({ integrity: sri, size: data.length }))
+}
+
+module.exports.stream = writeStream
+function writeStream (cache, opts) {
+  opts = opts || {}
+  const inputStream = new PassThrough()
+  let inputErr = false
+  function errCheck () {
+    if (inputErr) { throw inputErr }
+  }
+
+  let allDone
+  const ret = to((c, n, cb) => {
+    if (!allDone) {
+      allDone = handleContent(inputStream, cache, opts, errCheck)
+    }
+    inputStream.write(c, n, cb)
+  }, cb => {
+    inputStream.end(() => {
+      if (!allDone) {
+        const e = new Error(Y`Cache input stream was empty`)
+        e.code = 'ENODATA'
+        return ret.emit('error', e)
+      }
+      allDone.then(res => {
+        res.integrity && ret.emit('integrity', res.integrity)
+        res.size !== null && ret.emit('size', res.size)
+        cb()
+      }, e => {
+        ret.emit('error', e)
+      })
+    })
+  })
+  ret.once('error', e => {
+    inputErr = e
+  })
+  return ret
+}
+
+function handleContent (inputStream, cache, opts, errCheck) {
+  return BB.using(makeTmp(cache, opts), tmp => {
+    errCheck()
+    return pipeToTmp(
+      inputStream, cache, tmp.target, opts, errCheck
+    ).then(res => {
+      return moveToDestination(
+        tmp, cache, res.integrity, opts, errCheck
+      ).then(() => res)
+    })
+  })
+}
+
+function pipeToTmp (inputStream, cache, tmpTarget, opts, errCheck) {
+  return BB.resolve().then(() => {
+    let integrity
+    let size
+    const hashStream = ssri.integrityStream({
+      integrity: opts.integrity,
+      algorithms: opts.algorithms,
+      size: opts.size
+    }).on('integrity', s => {
+      integrity = s
+    }).on('size', s => {
+      size = s
+    })
+    const outStream = fs.createWriteStream(tmpTarget, {
+      flags: 'wx'
+    })
+    errCheck()
+    return pipe(inputStream, hashStream, outStream).then(() => {
+      return { integrity, size }
+    }).catch(err => {
+      return rimraf(tmpTarget).then(() => { throw err })
+    })
+  })
+}
+
+function makeTmp (cache, opts) {
+  const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix)
+  return fixOwner.mkdirfix(
+    cache, path.dirname(tmpTarget)
+  ).then(() => ({
+    target: tmpTarget,
+    moved: false
+  })).disposer(tmp => (!tmp.moved && rimraf(tmp.target)))
+}
+
+function moveToDestination (tmp, cache, sri, opts, errCheck) {
+  errCheck && errCheck()
+  const destination = contentPath(cache, sri)
+  const destDir = path.dirname(destination)
+
+  return fixOwner.mkdirfix(
+    cache, destDir
+  ).then(() => {
+    errCheck && errCheck()
+    return moveFile(tmp.target, destination)
+  }).then(() => {
+    errCheck && errCheck()
+    tmp.moved = true
+    return fixOwner.chownr(cache, destination)
+  })
+}
+
+function sizeError (expected, found) {
+  var err = new Error(Y`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`)
+  err.expected = expected
+  err.found = found
+  err.code = 'EBADSIZE'
+  return err
+}
+
+function checksumError (expected, found) {
+  var err = new Error(Y`Integrity check failed:
+  Wanted: ${expected}
+   Found: ${found}`)
+  err.code = 'EINTEGRITY'
+  err.expected = expected
+  err.found = found
+  return err
+}
diff --git a/node_modules/cacache/lib/entry-index.js b/node_modules/cacache/lib/entry-index.js
new file mode 100644
index 00000000..dee1824b
--- /dev/null
+++ b/node_modules/cacache/lib/entry-index.js
@@ -0,0 +1,288 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const contentPath = require('./content/path')
+const crypto = require('crypto')
+const figgyPudding = require('figgy-pudding')
+const fixOwner = require('./util/fix-owner')
+const fs = require('graceful-fs')
+const hashToSegments = require('./util/hash-to-segments')
+const ms = require('mississippi')
+const path = require('path')
+const ssri = require('ssri')
+const Y = require('./util/y.js')
+
+const indexV = require('../package.json')['cache-version'].index
+
+const appendFileAsync = BB.promisify(fs.appendFile)
+const readFileAsync = BB.promisify(fs.readFile)
+const readdirAsync = BB.promisify(fs.readdir)
+const concat = ms.concat
+const from = ms.from
+
+module.exports.NotFoundError = class NotFoundError extends Error {
+  constructor (cache, key) {
+    super(Y`No cache entry for \`${key}\` found in \`${cache}\``)
+    this.code = 'ENOENT'
+    this.cache = cache
+    this.key = key
+  }
+}
+
+const IndexOpts = figgyPudding({
+  metadata: {},
+  size: {}
+})
+
+module.exports.insert = insert
+function insert (cache, key, integrity, opts) {
+  opts = IndexOpts(opts)
+  const bucket = bucketPath(cache, key)
+  const entry = {
+    key,
+    integrity: integrity && ssri.stringify(integrity),
+    time: Date.now(),
+    size: opts.size,
+    metadata: opts.metadata
+  }
+  return fixOwner.mkdirfix(
+    cache, path.dirname(bucket)
+  ).then(() => {
+    const stringified = JSON.stringify(entry)
+    // NOTE - Cleverness ahoy!
+    //
+    // This works because it's tremendously unlikely for an entry to corrupt
+    // another while still preserving the string length of the JSON in
+    // question. So, we just slap the length in there and verify it on read.
+    //
+    // Thanks to @isaacs for the whiteboarding session that ended up with this.
+    return appendFileAsync(
+      bucket, `\n${hashEntry(stringified)}\t${stringified}`
+    )
+  }).then(
+    () => fixOwner.chownr(cache, bucket)
+  ).catch({ code: 'ENOENT' }, () => {
+    // There's a class of race conditions that happen when things get deleted
+    // during fixOwner, or between the two mkdirfix/chownr calls.
+    //
+    // It's perfectly fine to just not bother in those cases and lie
+    // that the index entry was written. Because it's a cache.
+  }).then(() => {
+    return formatEntry(cache, entry)
+  })
+}
+
+module.exports.insert.sync = insertSync
+function insertSync (cache, key, integrity, opts) {
+  opts = IndexOpts(opts)
+  const bucket = bucketPath(cache, key)
+  const entry = {
+    key,
+    integrity: integrity && ssri.stringify(integrity),
+    time: Date.now(),
+    size: opts.size,
+    metadata: opts.metadata
+  }
+  fixOwner.mkdirfix.sync(cache, path.dirname(bucket))
+  const stringified = JSON.stringify(entry)
+  fs.appendFileSync(
+    bucket, `\n${hashEntry(stringified)}\t${stringified}`
+  )
+  try {
+    fixOwner.chownr.sync(cache, bucket)
+  } catch (err) {
+    if (err.code !== 'ENOENT') {
+      throw err
+    }
+  }
+  return formatEntry(cache, entry)
+}
+
+module.exports.find = find
+function find (cache, key) {
+  const bucket = bucketPath(cache, key)
+  return bucketEntries(bucket).then(entries => {
+    return entries.reduce((latest, next) => {
+      if (next && next.key === key) {
+        return formatEntry(cache, next)
+      } else {
+        return latest
+      }
+    }, null)
+  }).catch(err => {
+    if (err.code === 'ENOENT') {
+      return null
+    } else {
+      throw err
+    }
+  })
+}
+
+module.exports.find.sync = findSync
+function findSync (cache, key) {
+  const bucket = bucketPath(cache, key)
+  try {
+    return bucketEntriesSync(bucket).reduce((latest, next) => {
+      if (next && next.key === key) {
+        return formatEntry(cache, next)
+      } else {
+        return latest
+      }
+    }, null)
+  } catch (err) {
+    if (err.code === 'ENOENT') {
+      return null
+    } else {
+      throw err
+    }
+  }
+}
+
+module.exports.delete = del
+function del (cache, key, opts) {
+  return insert(cache, key, null, opts)
+}
+
+module.exports.delete.sync = delSync
+function delSync (cache, key, opts) {
+  return insertSync(cache, key, null, opts)
+}
+
+module.exports.lsStream = lsStream
+function lsStream (cache) {
+  const indexDir = bucketDir(cache)
+  const stream = from.obj()
+
+  // "/cachename/*"
+  readdirOrEmpty(indexDir).map(bucket => {
+    const bucketPath = path.join(indexDir, bucket)
+
+    // "/cachename/<bucket 0xFF>/*"
+    return readdirOrEmpty(bucketPath).map(subbucket => {
+      const subbucketPath = path.join(bucketPath, subbucket)
+
+      // "/cachename/<bucket 0xFF>/<bucket 0xFF>/*"
+      return readdirOrEmpty(subbucketPath).map(entry => {
+        const getKeyToEntry = bucketEntries(
+          path.join(subbucketPath, entry)
+        ).reduce((acc, entry) => {
+          acc.set(entry.key, entry)
+          return acc
+        }, new Map())
+
+        return getKeyToEntry.then(reduced => {
+          for (let entry of reduced.values()) {
+            const formatted = formatEntry(cache, entry)
+            formatted && stream.push(formatted)
+          }
+        }).catch({ code: 'ENOENT' }, nop)
+      })
+    })
+  }).then(() => {
+    stream.push(null)
+  }, err => {
+    stream.emit('error', err)
+  })
+
+  return stream
+}
+
+module.exports.ls = ls
+function ls (cache) {
+  return BB.fromNode(cb => {
+    lsStream(cache).on('error', cb).pipe(concat(entries => {
+      cb(null, entries.reduce((acc, xs) => {
+        acc[xs.key] = xs
+        return acc
+      }, {}))
+    }))
+  })
+}
+
+function bucketEntries (bucket, filter) {
+  return readFileAsync(
+    bucket, 'utf8'
+  ).then(data => _bucketEntries(data, filter))
+}
+
+function bucketEntriesSync (bucket, filter) {
+  const data = fs.readFileSync(bucket, 'utf8')
+  return _bucketEntries(data, filter)
+}
+
+function _bucketEntries (data, filter) {
+  let entries = []
+  data.split('\n').forEach(entry => {
+    if (!entry) { return }
+    const pieces = entry.split('\t')
+    if (!pieces[1] || hashEntry(pieces[1]) !== pieces[0]) {
+      // Hash is no good! Corruption or malice? Doesn't matter!
+      // EJECT EJECT
+      return
+    }
+    let obj
+    try {
+      obj = JSON.parse(pieces[1])
+    } catch (e) {
+      // Entry is corrupted!
+      return
+    }
+    if (obj) {
+      entries.push(obj)
+    }
+  })
+  return entries
+}
+
+module.exports._bucketDir = bucketDir
+function bucketDir (cache) {
+  return path.join(cache, `index-v${indexV}`)
+}
+
+module.exports._bucketPath = bucketPath
+function bucketPath (cache, key) {
+  const hashed = hashKey(key)
+  return path.join.apply(path, [bucketDir(cache)].concat(
+    hashToSegments(hashed)
+  ))
+}
+
+module.exports._hashKey = hashKey
+function hashKey (key) {
+  return hash(key, 'sha256')
+}
+
+module.exports._hashEntry = hashEntry
+function hashEntry (str) {
+  return hash(str, 'sha1')
+}
+
+function hash (str, digest) {
+  return crypto
+    .createHash(digest)
+    .update(str)
+    .digest('hex')
+}
+
+function formatEntry (cache, entry) {
+  // Treat null digests as deletions. They'll shadow any previous entries.
+  if (!entry.integrity) { return null }
+  return {
+    key: entry.key,
+    integrity: entry.integrity,
+    path: contentPath(cache, entry.integrity),
+    size: entry.size,
+    time: entry.time,
+    metadata: entry.metadata
+  }
+}
+
+function readdirOrEmpty (dir) {
+  return readdirAsync(dir)
+    .catch({ code: 'ENOENT' }, () => [])
+    .catch({ code: 'ENOTDIR' }, () => [])
+}
+
+function nop () {
+}
diff --git a/node_modules/cacache/lib/memoization.js b/node_modules/cacache/lib/memoization.js
new file mode 100644
index 00000000..92179c7a
--- /dev/null
+++ b/node_modules/cacache/lib/memoization.js
@@ -0,0 +1,69 @@
+'use strict'
+
+const LRU = require('lru-cache')
+
+const MAX_SIZE = 50 * 1024 * 1024 // 50MB
+const MAX_AGE = 3 * 60 * 1000
+
+let MEMOIZED = new LRU({
+  max: MAX_SIZE,
+  maxAge: MAX_AGE,
+  length: (entry, key) => {
+    if (key.startsWith('key:')) {
+      return entry.data.length
+    } else if (key.startsWith('digest:')) {
+      return entry.length
+    }
+  }
+})
+
+module.exports.clearMemoized = clearMemoized
+function clearMemoized () {
+  const old = {}
+  MEMOIZED.forEach((v, k) => {
+    old[k] = v
+  })
+  MEMOIZED.reset()
+  return old
+}
+
+module.exports.put = put
+function put (cache, entry, data, opts) {
+  pickMem(opts).set(`key:${cache}:${entry.key}`, { entry, data })
+  putDigest(cache, entry.integrity, data, opts)
+}
+
+module.exports.put.byDigest = putDigest
+function putDigest (cache, integrity, data, opts) {
+  pickMem(opts).set(`digest:${cache}:${integrity}`, data)
+}
+
+module.exports.get = get
+function get (cache, key, opts) {
+  return pickMem(opts).get(`key:${cache}:${key}`)
+}
+
+module.exports.get.byDigest = getDigest
+function getDigest (cache, integrity, opts) {
+  return pickMem(opts).get(`digest:${cache}:${integrity}`)
+}
+
+class ObjProxy {
+  constructor (obj) {
+    this.obj = obj
+  }
+  get (key) { return this.obj[key] }
+  set (key, val) { this.obj[key] = val }
+}
+
+function pickMem (opts) {
+  if (!opts || !opts.memoize) {
+    return MEMOIZED
+  } else if (opts.memoize.get && opts.memoize.set) {
+    return opts.memoize
+  } else if (typeof opts.memoize === 'object') {
+    return new ObjProxy(opts.memoize)
+  } else {
+    return MEMOIZED
+  }
+}
diff --git a/node_modules/cacache/lib/util/fix-owner.js b/node_modules/cacache/lib/util/fix-owner.js
new file mode 100644
index 00000000..f5c33db5
--- /dev/null
+++ b/node_modules/cacache/lib/util/fix-owner.js
@@ -0,0 +1,128 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const chownr = BB.promisify(require('chownr'))
+const mkdirp = BB.promisify(require('mkdirp'))
+const inflight = require('promise-inflight')
+const inferOwner = require('infer-owner')
+
+// Memoize getuid()/getgid() calls.
+// patch process.setuid/setgid to invalidate cached value on change
+const self = { uid: null, gid: null }
+const getSelf = () => {
+  if (typeof self.uid !== 'number') {
+    self.uid = process.getuid()
+    const setuid = process.setuid
+    process.setuid = (uid) => {
+      self.uid = null
+      process.setuid = setuid
+      return process.setuid(uid)
+    }
+  }
+  if (typeof self.gid !== 'number') {
+    self.gid = process.getgid()
+    const setgid = process.setgid
+    process.setgid = (gid) => {
+      self.gid = null
+      process.setgid = setgid
+      return process.setgid(gid)
+    }
+  }
+}
+
+module.exports.chownr = fixOwner
+function fixOwner (cache, filepath) {
+  if (!process.getuid) {
+    // This platform doesn't need ownership fixing
+    return BB.resolve()
+  }
+
+  getSelf()
+  if (self.uid !== 0) {
+    // almost certainly can't chown anyway
+    return BB.resolve()
+  }
+
+  return BB.resolve(inferOwner(cache)).then(owner => {
+    const { uid, gid } = owner
+
+    // No need to override if it's already what we used.
+    if (self.uid === uid && self.gid === gid) {
+      return
+    }
+
+    return inflight(
+      'fixOwner: fixing ownership on ' + filepath,
+      () => chownr(
+        filepath,
+        typeof uid === 'number' ? uid : self.uid,
+        typeof gid === 'number' ? gid : self.gid
+      ).catch({ code: 'ENOENT' }, () => null)
+    )
+  })
+}
+
+module.exports.chownr.sync = fixOwnerSync
+function fixOwnerSync (cache, filepath) {
+  if (!process.getuid) {
+    // This platform doesn't need ownership fixing
+    return
+  }
+  const { uid, gid } = inferOwner.sync(cache)
+  getSelf()
+  if (self.uid === uid && self.gid === gid) {
+    // No need to override if it's already what we used.
+    return
+  }
+  try {
+    chownr.sync(
+      filepath,
+      typeof uid === 'number' ? uid : self.uid,
+      typeof gid === 'number' ? gid : self.gid
+    )
+  } catch (err) {
+    // only catch ENOENT, any other error is a problem.
+    if (err.code === 'ENOENT') {
+      return null
+    }
+    throw err
+  }
+}
+
+module.exports.mkdirfix = mkdirfix
+function mkdirfix (cache, p, cb) {
+  // we have to infer the owner _before_ making the directory, even though
+  // we aren't going to use the results, since the cache itself might not
+  // exist yet.  If we mkdirp it, then our current uid/gid will be assumed
+  // to be correct if it creates the cache folder in the process.
+  return BB.resolve(inferOwner(cache)).then(() => {
+    return mkdirp(p).then(made => {
+      if (made) {
+        return fixOwner(cache, made).then(() => made)
+      }
+    }).catch({ code: 'EEXIST' }, () => {
+      // There's a race in mkdirp!
+      return fixOwner(cache, p).then(() => null)
+    })
+  })
+}
+
+module.exports.mkdirfix.sync = mkdirfixSync
+function mkdirfixSync (cache, p) {
+  try {
+    inferOwner.sync(cache)
+    const made = mkdirp.sync(p)
+    if (made) {
+      fixOwnerSync(cache, made)
+      return made
+    }
+  } catch (err) {
+    if (err.code === 'EEXIST') {
+      fixOwnerSync(cache, p)
+      return null
+    } else {
+      throw err
+    }
+  }
+}
diff --git a/node_modules/cacache/lib/util/hash-to-segments.js b/node_modules/cacache/lib/util/hash-to-segments.js
new file mode 100644
index 00000000..192be2a6
--- /dev/null
+++ b/node_modules/cacache/lib/util/hash-to-segments.js
@@ -0,0 +1,11 @@
+'use strict'
+
+module.exports = hashToSegments
+
+function hashToSegments (hash) {
+  return [
+    hash.slice(0, 2),
+    hash.slice(2, 4),
+    hash.slice(4)
+  ]
+}
diff --git a/node_modules/cacache/lib/util/move-file.js b/node_modules/cacache/lib/util/move-file.js
new file mode 100644
index 00000000..b43744b3
--- /dev/null
+++ b/node_modules/cacache/lib/util/move-file.js
@@ -0,0 +1,51 @@
+'use strict'
+
+const fs = require('graceful-fs')
+const BB = require('bluebird')
+const chmod = BB.promisify(fs.chmod)
+const unlink = BB.promisify(fs.unlink)
+let move
+let pinflight
+
+module.exports = moveFile
+function moveFile (src, dest) {
+  // This isn't quite an fs.rename -- the assumption is that
+  // if `dest` already exists, and we get certain errors while
+  // trying to move it, we should just not bother.
+  //
+  // In the case of cache corruption, users will receive an
+  // EINTEGRITY error elsewhere, and can remove the offending
+  // content their own way.
+  //
+  // Note that, as the name suggests, this strictly only supports file moves.
+  return BB.fromNode(cb => {
+    fs.link(src, dest, err => {
+      if (err) {
+        if (err.code === 'EEXIST' || err.code === 'EBUSY') {
+          // file already exists, so whatever
+        } else if (err.code === 'EPERM' && process.platform === 'win32') {
+          // file handle stayed open even past graceful-fs limits
+        } else {
+          return cb(err)
+        }
+      }
+      return cb()
+    })
+  }).then(() => {
+    // content should never change for any reason, so make it read-only
+    return BB.join(unlink(src), process.platform !== 'win32' && chmod(dest, '0444'))
+  }).catch(() => {
+    if (!pinflight) { pinflight = require('promise-inflight') }
+    return pinflight('cacache-move-file:' + dest, () => {
+      return BB.promisify(fs.stat)(dest).catch(err => {
+        if (err.code !== 'ENOENT') {
+          // Something else is wrong here. Bail bail bail
+          throw err
+        }
+        // file doesn't already exist! let's try a rename -> copy fallback
+        if (!move) { move = require('move-concurrently') }
+        return move(src, dest, { BB, fs })
+      })
+    })
+  })
+}
diff --git a/node_modules/cacache/lib/util/tmp.js b/node_modules/cacache/lib/util/tmp.js
new file mode 100644
index 00000000..78494b8e
--- /dev/null
+++ b/node_modules/cacache/lib/util/tmp.js
@@ -0,0 +1,37 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const figgyPudding = require('figgy-pudding')
+const fixOwner = require('./fix-owner')
+const path = require('path')
+const rimraf = BB.promisify(require('rimraf'))
+const uniqueFilename = require('unique-filename')
+
+const TmpOpts = figgyPudding({
+  tmpPrefix: {}
+})
+
+module.exports.mkdir = mktmpdir
+function mktmpdir (cache, opts) {
+  opts = TmpOpts(opts)
+  const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix)
+  return fixOwner.mkdirfix(cache, tmpTarget).then(() => {
+    return tmpTarget
+  })
+}
+
+module.exports.withTmp = withTmp
+function withTmp (cache, opts, cb) {
+  if (!cb) {
+    cb = opts
+    opts = null
+  }
+  opts = TmpOpts(opts)
+  return BB.using(mktmpdir(cache, opts).disposer(rimraf), cb)
+}
+
+module.exports.fix = fixtmpdir
+function fixtmpdir (cache) {
+  return fixOwner(cache, path.join(cache, 'tmp'))
+}
diff --git a/node_modules/cacache/lib/util/y.js b/node_modules/cacache/lib/util/y.js
new file mode 100644
index 00000000..d62bedac
--- /dev/null
+++ b/node_modules/cacache/lib/util/y.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const path = require('path')
+const y18n = require('y18n')({
+  directory: path.join(__dirname, '../../locales'),
+  locale: 'en',
+  updateFiles: process.env.CACACHE_UPDATE_LOCALE_FILES === 'true'
+})
+
+module.exports = yTag
+function yTag (parts) {
+  let str = ''
+  parts.forEach((part, i) => {
+    const arg = arguments[i + 1]
+    str += part
+    if (arg) {
+      str += '%s'
+    }
+  })
+  return y18n.__.apply(null, [str].concat([].slice.call(arguments, 1)))
+}
+
+module.exports.setLocale = locale => {
+  y18n.setLocale(locale)
+}
diff --git a/node_modules/cacache/lib/verify.js b/node_modules/cacache/lib/verify.js
new file mode 100644
index 00000000..617d38db
--- /dev/null
+++ b/node_modules/cacache/lib/verify.js
@@ -0,0 +1,227 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const contentPath = require('./content/path')
+const figgyPudding = require('figgy-pudding')
+const finished = BB.promisify(require('mississippi').finished)
+const fixOwner = require('./util/fix-owner')
+const fs = require('graceful-fs')
+const glob = BB.promisify(require('glob'))
+const index = require('./entry-index')
+const path = require('path')
+const rimraf = BB.promisify(require('rimraf'))
+const ssri = require('ssri')
+
+BB.promisifyAll(fs)
+
+const VerifyOpts = figgyPudding({
+  concurrency: {
+    default: 20
+  },
+  filter: {},
+  log: {
+    default: { silly () {} }
+  }
+})
+
+module.exports = verify
+function verify (cache, opts) {
+  opts = VerifyOpts(opts)
+  opts.log.silly('verify', 'verifying cache at', cache)
+  return BB.reduce([
+    markStartTime,
+    fixPerms,
+    garbageCollect,
+    rebuildIndex,
+    cleanTmp,
+    writeVerifile,
+    markEndTime
+  ], (stats, step, i) => {
+    const label = step.name || `step #${i}`
+    const start = new Date()
+    return BB.resolve(step(cache, opts)).then(s => {
+      s && Object.keys(s).forEach(k => {
+        stats[k] = s[k]
+      })
+      const end = new Date()
+      if (!stats.runTime) { stats.runTime = {} }
+      stats.runTime[label] = end - start
+      return stats
+    })
+  }, {}).tap(stats => {
+    stats.runTime.total = stats.endTime - stats.startTime
+    opts.log.silly('verify', 'verification finished for', cache, 'in', `${stats.runTime.total}ms`)
+  })
+}
+
+function markStartTime (cache, opts) {
+  return { startTime: new Date() }
+}
+
+function markEndTime (cache, opts) {
+  return { endTime: new Date() }
+}
+
+function fixPerms (cache, opts) {
+  opts.log.silly('verify', 'fixing cache permissions')
+  return fixOwner.mkdirfix(cache, cache).then(() => {
+    // TODO - fix file permissions too
+    return fixOwner.chownr(cache, cache)
+  }).then(() => null)
+}
+
+// Implements a naive mark-and-sweep tracing garbage collector.
+//
+// The algorithm is basically as follows:
+// 1. Read (and filter) all index entries ("pointers")
+// 2. Mark each integrity value as "live"
+// 3. Read entire filesystem tree in `content-vX/` dir
+// 4. If content is live, verify its checksum and delete it if it fails
+// 5. If content is not marked as live, rimraf it.
+//
+function garbageCollect (cache, opts) {
+  opts.log.silly('verify', 'garbage collecting content')
+  const indexStream = index.lsStream(cache)
+  const liveContent = new Set()
+  indexStream.on('data', entry => {
+    if (opts.filter && !opts.filter(entry)) { return }
+    liveContent.add(entry.integrity.toString())
+  })
+  return finished(indexStream).then(() => {
+    const contentDir = contentPath._contentDir(cache)
+    return glob(path.join(contentDir, '**'), {
+      follow: false,
+      nodir: true,
+      nosort: true
+    }).then(files => {
+      return BB.resolve({
+        verifiedContent: 0,
+        reclaimedCount: 0,
+        reclaimedSize: 0,
+        badContentCount: 0,
+        keptSize: 0
+      }).tap((stats) => BB.map(files, (f) => {
+        const split = f.split(/[/\\]/)
+        const digest = split.slice(split.length - 3).join('')
+        const algo = split[split.length - 4]
+        const integrity = ssri.fromHex(digest, algo)
+        if (liveContent.has(integrity.toString())) {
+          return verifyContent(f, integrity).then(info => {
+            if (!info.valid) {
+              stats.reclaimedCount++
+              stats.badContentCount++
+              stats.reclaimedSize += info.size
+            } else {
+              stats.verifiedContent++
+              stats.keptSize += info.size
+            }
+            return stats
+          })
+        } else {
+          // No entries refer to this content. We can delete.
+          stats.reclaimedCount++
+          return fs.statAsync(f).then(s => {
+            return rimraf(f).then(() => {
+              stats.reclaimedSize += s.size
+              return stats
+            })
+          })
+        }
+      }, { concurrency: opts.concurrency }))
+    })
+  })
+}
+
+function verifyContent (filepath, sri) {
+  return fs.statAsync(filepath).then(stat => {
+    const contentInfo = {
+      size: stat.size,
+      valid: true
+    }
+    return ssri.checkStream(
+      fs.createReadStream(filepath),
+      sri
+    ).catch(err => {
+      if (err.code !== 'EINTEGRITY') { throw err }
+      return rimraf(filepath).then(() => {
+        contentInfo.valid = false
+      })
+    }).then(() => contentInfo)
+  }).catch({ code: 'ENOENT' }, () => ({ size: 0, valid: false }))
+}
+
+function rebuildIndex (cache, opts) {
+  opts.log.silly('verify', 'rebuilding index')
+  return index.ls(cache).then(entries => {
+    const stats = {
+      missingContent: 0,
+      rejectedEntries: 0,
+      totalEntries: 0
+    }
+    const buckets = {}
+    for (let k in entries) {
+      if (entries.hasOwnProperty(k)) {
+        const hashed = index._hashKey(k)
+        const entry = entries[k]
+        const excluded = opts.filter && !opts.filter(entry)
+        excluded && stats.rejectedEntries++
+        if (buckets[hashed] && !excluded) {
+          buckets[hashed].push(entry)
+        } else if (buckets[hashed] && excluded) {
+          // skip
+        } else if (excluded) {
+          buckets[hashed] = []
+          buckets[hashed]._path = index._bucketPath(cache, k)
+        } else {
+          buckets[hashed] = [entry]
+          buckets[hashed]._path = index._bucketPath(cache, k)
+        }
+      }
+    }
+    return BB.map(Object.keys(buckets), key => {
+      return rebuildBucket(cache, buckets[key], stats, opts)
+    }, { concurrency: opts.concurrency }).then(() => stats)
+  })
+}
+
+function rebuildBucket (cache, bucket, stats, opts) {
+  return fs.truncateAsync(bucket._path).then(() => {
+    // This needs to be serialized because cacache explicitly
+    // lets very racy bucket conflicts clobber each other.
+    return BB.mapSeries(bucket, entry => {
+      const content = contentPath(cache, entry.integrity)
+      return fs.statAsync(content).then(() => {
+        return index.insert(cache, entry.key, entry.integrity, {
+          metadata: entry.metadata,
+          size: entry.size
+        }).then(() => { stats.totalEntries++ })
+      }).catch({ code: 'ENOENT' }, () => {
+        stats.rejectedEntries++
+        stats.missingContent++
+      })
+    })
+  })
+}
+
+function cleanTmp (cache, opts) {
+  opts.log.silly('verify', 'cleaning tmp directory')
+  return rimraf(path.join(cache, 'tmp'))
+}
+
+function writeVerifile (cache, opts) {
+  const verifile = path.join(cache, '_lastverified')
+  opts.log.silly('verify', 'writing verifile to ' + verifile)
+  try {
+    return fs.writeFileAsync(verifile, '' + (+(new Date())))
+  } finally {
+    fixOwner.chownr.sync(cache, verifile)
+  }
+}
+
+module.exports.lastRun = lastRun
+function lastRun (cache) {
+  return fs.readFileAsync(
+    path.join(cache, '_lastverified'), 'utf8'
+  ).then(data => new Date(+data))
+}
diff --git a/node_modules/cacache/locales/en.js b/node_modules/cacache/locales/en.js
new file mode 100644
index 00000000..1715fdb5
--- /dev/null
+++ b/node_modules/cacache/locales/en.js
@@ -0,0 +1,47 @@
+'use strict'
+
+const ls = require('../ls.js')
+const get = require('../get.js')
+const put = require('../put.js')
+const rm = require('../rm.js')
+const verify = require('../verify.js')
+const setLocale = require('../lib/util/y.js').setLocale
+const clearMemoized = require('../lib/memoization.js').clearMemoized
+const tmp = require('../lib/util/tmp.js')
+
+setLocale('en')
+
+const x = module.exports
+
+x.ls = cache => ls(cache)
+x.ls.stream = cache => ls.stream(cache)
+
+x.get = (cache, key, opts) => get(cache, key, opts)
+x.get.byDigest = (cache, hash, opts) => get.byDigest(cache, hash, opts)
+x.get.sync = (cache, key, opts) => get.sync(cache, key, opts)
+x.get.sync.byDigest = (cache, key, opts) => get.sync.byDigest(cache, key, opts)
+x.get.stream = (cache, key, opts) => get.stream(cache, key, opts)
+x.get.stream.byDigest = (cache, hash, opts) => get.stream.byDigest(cache, hash, opts)
+x.get.copy = (cache, key, dest, opts) => get.copy(cache, key, dest, opts)
+x.get.copy.byDigest = (cache, hash, dest, opts) => get.copy.byDigest(cache, hash, dest, opts)
+x.get.info = (cache, key) => get.info(cache, key)
+x.get.hasContent = (cache, hash) => get.hasContent(cache, hash)
+x.get.hasContent.sync = (cache, hash) => get.hasContent.sync(cache, hash)
+
+x.put = (cache, key, data, opts) => put(cache, key, data, opts)
+x.put.stream = (cache, key, opts) => put.stream(cache, key, opts)
+
+x.rm = (cache, key) => rm.entry(cache, key)
+x.rm.all = cache => rm.all(cache)
+x.rm.entry = x.rm
+x.rm.content = (cache, hash) => rm.content(cache, hash)
+
+x.setLocale = lang => setLocale(lang)
+x.clearMemoized = () => clearMemoized()
+
+x.tmp = {}
+x.tmp.mkdir = (cache, opts) => tmp.mkdir(cache, opts)
+x.tmp.withTmp = (cache, opts, cb) => tmp.withTmp(cache, opts, cb)
+
+x.verify = (cache, opts) => verify(cache, opts)
+x.verify.lastRun = cache => verify.lastRun(cache)
diff --git a/node_modules/cacache/locales/en.json b/node_modules/cacache/locales/en.json
new file mode 100644
index 00000000..4f145288
--- /dev/null
+++ b/node_modules/cacache/locales/en.json
@@ -0,0 +1,7 @@
+{
+  "No cache entry for `%s` found in `%s`": "No cache entry for %s found in %s",
+  "Integrity verification failed for %s (%s)": "Integrity verification failed for %s (%s)",
+  "Bad data size: expected inserted data to be %s bytes, but got %s instead": "Bad data size: expected inserted data to be %s bytes, but got %s instead",
+  "Cache input stream was empty": "Cache input stream was empty",
+  "Integrity check failed:\n  Wanted: %s\n   Found: %s": "Integrity check failed:\n  Wanted: %s\n   Found: %s"
+}
\ No newline at end of file
diff --git a/node_modules/cacache/locales/es.js b/node_modules/cacache/locales/es.js
new file mode 100644
index 00000000..ac4e4cfe
--- /dev/null
+++ b/node_modules/cacache/locales/es.js
@@ -0,0 +1,49 @@
+'use strict'
+
+const ls = require('../ls.js')
+const get = require('../get.js')
+const put = require('../put.js')
+const rm = require('../rm.js')
+const verify = require('../verify.js')
+const setLocale = require('../lib/util/y.js').setLocale
+const clearMemoized = require('../lib/memoization.js').clearMemoized
+const tmp = require('../lib/util/tmp.js')
+
+setLocale('es')
+
+const x = module.exports
+
+x.ls = cache => ls(cache)
+x.ls.flujo = cache => ls.stream(cache)
+
+x.saca = (cache, clave, ops) => get(cache, clave, ops)
+x.saca.porHacheo = (cache, hacheo, ops) => get.byDigest(cache, hacheo, ops)
+x.saca.sinc = (cache, clave, ops) => get.sync(cache, clave, ops)
+x.saca.sinc.porHacheo = (cache, hacheo, ops) => get.sync.byDigest(cache, hacheo, ops)
+x.saca.flujo = (cache, clave, ops) => get.stream(cache, clave, ops)
+x.saca.flujo.porHacheo = (cache, hacheo, ops) => get.stream.byDigest(cache, hacheo, ops)
+x.sava.copia = (cache, clave, destino, opts) => get.copy(cache, clave, destino, opts)
+x.sava.copia.porHacheo = (cache, hacheo, destino, opts) => get.copy.byDigest(cache, hacheo, destino, opts)
+x.saca.info = (cache, clave) => get.info(cache, clave)
+x.saca.tieneDatos = (cache, hacheo) => get.hasContent(cache, hacheo)
+x.saca.tieneDatos.sinc = (cache, hacheo) => get.hasContent.sync(cache, hacheo)
+
+x.mete = (cache, clave, datos, ops) => put(cache, clave, datos, ops)
+x.mete.flujo = (cache, clave, ops) => put.stream(cache, clave, ops)
+
+x.rm = (cache, clave) => rm.entry(cache, clave)
+x.rm.todo = cache => rm.all(cache)
+x.rm.entrada = x.rm
+x.rm.datos = (cache, hacheo) => rm.content(cache, hacheo)
+
+x.ponLenguaje = lang => setLocale(lang)
+x.limpiaMemoizado = () => clearMemoized()
+
+x.tmp = {}
+x.tmp.mkdir = (cache, ops) => tmp.mkdir(cache, ops)
+x.tmp.hazdir = x.tmp.mkdir
+x.tmp.conTmp = (cache, ops, cb) => tmp.withTmp(cache, ops, cb)
+
+x.verifica = (cache, ops) => verify(cache, ops)
+x.verifica.ultimaVez = cache => verify.lastRun(cache)
+x.verifica.últimaVez = x.verifica.ultimaVez
diff --git a/node_modules/cacache/locales/es.json b/node_modules/cacache/locales/es.json
new file mode 100644
index 00000000..a91d7622
--- /dev/null
+++ b/node_modules/cacache/locales/es.json
@@ -0,0 +1,6 @@
+{
+  "No cache entry for `%s` found in `%s`": "No existe ninguna entrada para «%s» en «%s»",
+  "Integrity verification failed for %s (%s)": "Verificación de integridad falló para «%s» (%s)",
+  "Bad data size: expected inserted data to be %s bytes, but got %s instead": "Tamaño incorrecto de datos: los datos insertados debieron haber sido %s octetos, pero fueron %s",
+  "Cache input stream was empty": "El stream de entrada al caché estaba vacío"
+}
diff --git a/node_modules/cacache/ls.js b/node_modules/cacache/ls.js
new file mode 100644
index 00000000..9f49b388
--- /dev/null
+++ b/node_modules/cacache/ls.js
@@ -0,0 +1,6 @@
+'use strict'
+
+var index = require('./lib/entry-index')
+
+module.exports = index.ls
+module.exports.stream = index.lsStream
diff --git a/node_modules/cacache/package.json b/node_modules/cacache/package.json
new file mode 100644
index 00000000..4c21f39b
--- /dev/null
+++ b/node_modules/cacache/package.json
@@ -0,0 +1,96 @@
+{
+  "name": "cacache",
+  "publishConfig": {
+    "tag": "legacy"
+  },
+  "version": "12.0.4",
+  "cache-version": {
+    "content": "2",
+    "index": "5"
+  },
+  "description": "Fast, fault-tolerant, cross-platform, disk-based, data-agnostic, content-addressable cache.",
+  "main": "index.js",
+  "files": [
+    "*.js",
+    "lib",
+    "locales"
+  ],
+  "scripts": {
+    "benchmarks": "node test/benchmarks",
+    "prerelease": "npm t",
+    "postrelease": "npm publish && git push --follow-tags",
+    "pretest": "standard",
+    "release": "standard-version -s",
+    "test": "cross-env CACACHE_UPDATE_LOCALE_FILES=true tap --coverage --nyc-arg=--all -J test/*.js",
+    "test-docker": "docker run -it --rm --name pacotest -v \"$PWD\":/tmp -w /tmp node:latest npm test"
+  },
+  "repository": "https://github.com/npm/cacache",
+  "keywords": [
+    "cache",
+    "caching",
+    "content-addressable",
+    "sri",
+    "sri hash",
+    "subresource integrity",
+    "cache",
+    "storage",
+    "store",
+    "file store",
+    "filesystem",
+    "disk cache",
+    "disk storage"
+  ],
+  "author": {
+    "name": "Kat Marchán",
+    "email": "kzm@sykosomatic.org",
+    "twitter": "maybekatz"
+  },
+  "contributors": [
+    {
+      "name": "Charlotte Spencer",
+      "email": "charlottelaspencer@gmail.com",
+      "twitter": "charlotteis"
+    },
+    {
+      "name": "Rebecca Turner",
+      "email": "me@re-becca.org",
+      "twitter": "ReBeccaOrg"
+    }
+  ],
+  "license": "ISC",
+  "dependencies": {
+    "bluebird": "^3.5.5",
+    "chownr": "^1.1.1",
+    "figgy-pudding": "^3.5.1",
+    "glob": "^7.1.4",
+    "graceful-fs": "^4.1.15",
+    "infer-owner": "^1.0.3",
+    "lru-cache": "^5.1.1",
+    "mississippi": "^3.0.0",
+    "mkdirp": "^0.5.1",
+    "move-concurrently": "^1.0.1",
+    "promise-inflight": "^1.0.1",
+    "rimraf": "^2.6.3",
+    "ssri": "^6.0.1",
+    "unique-filename": "^1.1.1",
+    "y18n": "^4.0.0"
+  },
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "chalk": "^2.4.2",
+    "cross-env": "^5.1.4",
+    "require-inject": "^1.4.4",
+    "standard": "^12.0.1",
+    "standard-version": "^6.0.1",
+    "tacks": "^1.3.0",
+    "tap": "^12.7.0"
+  },
+  "config": {
+    "nyc": {
+      "exclude": [
+        "node_modules/**",
+        "test/**"
+      ]
+    }
+  }
+}
diff --git a/node_modules/cacache/put.js b/node_modules/cacache/put.js
new file mode 100644
index 00000000..a4006393
--- /dev/null
+++ b/node_modules/cacache/put.js
@@ -0,0 +1,86 @@
+'use strict'
+
+const figgyPudding = require('figgy-pudding')
+const index = require('./lib/entry-index')
+const memo = require('./lib/memoization')
+const write = require('./lib/content/write')
+const to = require('mississippi').to
+
+const PutOpts = figgyPudding({
+  algorithms: {
+    default: ['sha512']
+  },
+  integrity: {},
+  memoize: {},
+  metadata: {},
+  pickAlgorithm: {},
+  size: {},
+  tmpPrefix: {},
+  single: {},
+  sep: {},
+  error: {},
+  strict: {}
+})
+
+module.exports = putData
+function putData (cache, key, data, opts) {
+  opts = PutOpts(opts)
+  return write(cache, data, opts).then(res => {
+    return index.insert(
+      cache, key, res.integrity, opts.concat({ size: res.size })
+    ).then(entry => {
+      if (opts.memoize) {
+        memo.put(cache, entry, data, opts)
+      }
+      return res.integrity
+    })
+  })
+}
+
+module.exports.stream = putStream
+function putStream (cache, key, opts) {
+  opts = PutOpts(opts)
+  let integrity
+  let size
+  const contentStream = write.stream(
+    cache, opts
+  ).on('integrity', int => {
+    integrity = int
+  }).on('size', s => {
+    size = s
+  })
+  let memoData
+  let memoTotal = 0
+  const stream = to((chunk, enc, cb) => {
+    contentStream.write(chunk, enc, () => {
+      if (opts.memoize) {
+        if (!memoData) { memoData = [] }
+        memoData.push(chunk)
+        memoTotal += chunk.length
+      }
+      cb()
+    })
+  }, cb => {
+    contentStream.end(() => {
+      index.insert(cache, key, integrity, opts.concat({ size })).then(entry => {
+        if (opts.memoize) {
+          memo.put(cache, entry, Buffer.concat(memoData, memoTotal), opts)
+        }
+        stream.emit('integrity', integrity)
+        cb()
+      })
+    })
+  })
+  let erred = false
+  stream.once('error', err => {
+    if (erred) { return }
+    erred = true
+    contentStream.emit('error', err)
+  })
+  contentStream.once('error', err => {
+    if (erred) { return }
+    erred = true
+    stream.emit('error', err)
+  })
+  return stream
+}
diff --git a/node_modules/cacache/rm.js b/node_modules/cacache/rm.js
new file mode 100644
index 00000000..e71a1d27
--- /dev/null
+++ b/node_modules/cacache/rm.js
@@ -0,0 +1,28 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const index = require('./lib/entry-index')
+const memo = require('./lib/memoization')
+const path = require('path')
+const rimraf = BB.promisify(require('rimraf'))
+const rmContent = require('./lib/content/rm')
+
+module.exports = entry
+module.exports.entry = entry
+function entry (cache, key) {
+  memo.clearMemoized()
+  return index.delete(cache, key)
+}
+
+module.exports.content = content
+function content (cache, integrity) {
+  memo.clearMemoized()
+  return rmContent(cache, integrity)
+}
+
+module.exports.all = all
+function all (cache) {
+  memo.clearMemoized()
+  return rimraf(path.join(cache, '*(content-*|index-*)'))
+}
diff --git a/node_modules/cacache/verify.js b/node_modules/cacache/verify.js
new file mode 100644
index 00000000..db7763d7
--- /dev/null
+++ b/node_modules/cacache/verify.js
@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = require('./lib/verify')
diff --git a/node_modules/cache-base/LICENSE b/node_modules/cache-base/LICENSE
new file mode 100644
index 00000000..943e71d0
--- /dev/null
+++ b/node_modules/cache-base/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/cache-base/README.md b/node_modules/cache-base/README.md
new file mode 100644
index 00000000..62c6ffeb
--- /dev/null
+++ b/node_modules/cache-base/README.md
@@ -0,0 +1,291 @@
+# cache-base [![NPM version](https://img.shields.io/npm/v/cache-base.svg?style=flat)](https://www.npmjs.com/package/cache-base) [![NPM monthly downloads](https://img.shields.io/npm/dm/cache-base.svg?style=flat)](https://npmjs.org/package/cache-base) [![NPM total downloads](https://img.shields.io/npm/dt/cache-base.svg?style=flat)](https://npmjs.org/package/cache-base) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/cache-base.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/cache-base)
+
+> Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save cache-base
+```
+
+## Usage
+
+```js
+var Cache = require('cache-base');
+
+// instantiate
+var app = new Cache();
+
+// set values
+app.set('a', 'b');
+app.set('c.d', 'e');
+
+// get values
+app.get('a');
+//=> 'b'
+app.get('c');
+//=> {d: 'e'}
+
+console.log(app.cache);
+//=> {a: 'b'}
+```
+
+**Inherit**
+
+```js
+var util = require('util');
+var Cache = require('cache-base');
+
+function MyApp() {
+  Cache.call(this);
+}
+util.inherits(MyApp, Cache);
+
+var app = new MyApp();
+app.set('a', 'b');
+app.get('a');
+//=> 'b'
+```
+
+**Namespace**
+
+Define a custom property for storing values.
+
+```js
+var Cache = require('cache-base').namespace('data');
+var app = new Cache();
+app.set('a', 'b');
+console.log(app.data);
+//=> {a: 'b'}
+```
+
+## API
+
+### [namespace](index.js#L29)
+
+Create a `Cache` constructor that when instantiated will store values on the given `prop`.
+
+**Params**
+
+* `prop` **{String}**: The property name to use for storing values.
+* `returns` **{Function}**: Returns a custom `Cache` constructor
+
+**Example**
+
+```js
+var Cache = require('cache-base').namespace('data');
+var cache = new Cache();
+
+cache.set('foo', 'bar');
+//=> {data: {foo: 'bar'}}
+```
+
+### [Cache](index.js#L43)
+
+Create a new `Cache`. Internally the `Cache` constructor is created using the `namespace` function, with `cache` defined as the storage object.
+
+**Params**
+
+* `cache` **{Object}**: Optionally pass an object to initialize with.
+
+**Example**
+
+```js
+var app = new Cache();
+```
+
+### [.set](index.js#L84)
+
+Assign `value` to `key`. Also emits `set` with the key and value.
+
+**Params**
+
+* `key` **{String}**
+* `value` **{any}**
+* `returns` **{Object}**: Returns the instance for chaining.
+
+**Events**
+
+* `emits`: `set` with `key` and `value` as arguments.
+
+**Example**
+
+```js
+app.on('set', function(key, val) {
+  // do something when `set` is emitted
+});
+
+app.set(key, value);
+
+// also takes an object or array
+app.set({name: 'Halle'});
+app.set([{foo: 'bar'}, {baz: 'quux'}]);
+console.log(app);
+//=> {name: 'Halle', foo: 'bar', baz: 'quux'}
+```
+
+### [.union](index.js#L114)
+
+Union `array` to `key`. Also emits `set` with the key and value.
+
+**Params**
+
+* `key` **{String}**
+* `value` **{any}**
+* `returns` **{Object}**: Returns the instance for chaining.
+
+**Example**
+
+```js
+app.union('a.b', ['foo']);
+app.union('a.b', ['bar']);
+console.log(app.get('a'));
+//=> {b: ['foo', 'bar']}
+```
+
+### [.get](index.js#L144)
+
+Return the value of `key`. Dot notation may be used to get [nested property values](https://github.com/jonschlinkert/get-value).
+
+**Params**
+
+* `key` **{String}**: The name of the property to get. Dot-notation may be used.
+* `returns` **{any}**: Returns the value of `key`
+
+**Events**
+
+* `emits`: `get` with `key` and `value` as arguments.
+
+**Example**
+
+```js
+app.set('a.b.c', 'd');
+app.get('a.b');
+//=> {c: 'd'}
+
+app.get(['a', 'b']);
+//=> {c: 'd'}
+```
+
+### [.has](index.js#L171)
+
+Return true if app has a stored value for `key`, false only if value is `undefined`.
+
+**Params**
+
+* `key` **{String}**
+* `returns` **{Boolean}**
+
+**Events**
+
+* `emits`: `has` with `key` and true or false as arguments.
+
+**Example**
+
+```js
+app.set('foo', 'bar');
+app.has('foo');
+//=> true
+```
+
+### [.del](index.js#L199)
+
+Delete one or more properties from the instance.
+
+**Params**
+
+* `key` **{String|Array}**: Property name or array of property names.
+* `returns` **{Object}**: Returns the instance for chaining.
+
+**Events**
+
+* `emits`: `del` with the `key` as the only argument.
+
+**Example**
+
+```js
+app.del(); // delete all
+// or
+app.del('foo');
+// or
+app.del(['foo', 'bar']);
+```
+
+### [.clear](index.js#L218)
+
+Reset the entire cache to an empty object.
+
+**Example**
+
+```js
+app.clear();
+```
+
+### [.visit](index.js#L235)
+
+Visit `method` over the properties in the given object, or map
+visit over the object-elements in an array.
+
+**Params**
+
+* `method` **{String}**: The name of the `base` method to call.
+* `val` **{Object|Array}**: The object or array to iterate over.
+* `returns` **{Object}**: Returns the instance for chaining.
+
+## About
+
+### Related projects
+
+* [base-methods](https://www.npmjs.com/package/base-methods): base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… [more](https://github.com/jonschlinkert/base-methods) | [homepage](https://github.com/jonschlinkert/base-methods "base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.")
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.")
+* [option-cache](https://www.npmjs.com/package/option-cache): Simple API for managing options in JavaScript applications. | [homepage](https://github.com/jonschlinkert/option-cache "Simple API for managing options in JavaScript applications.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 54 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 22, 2017._
\ No newline at end of file
diff --git a/node_modules/cache-base/index.js b/node_modules/cache-base/index.js
new file mode 100644
index 00000000..41280245
--- /dev/null
+++ b/node_modules/cache-base/index.js
@@ -0,0 +1,261 @@
+'use strict';
+
+var isObject = require('isobject');
+var Emitter = require('component-emitter');
+var visit = require('collection-visit');
+var toPath = require('to-object-path');
+var union = require('union-value');
+var del = require('unset-value');
+var get = require('get-value');
+var has = require('has-value');
+var set = require('set-value');
+
+/**
+ * Create a `Cache` constructor that when instantiated will
+ * store values on the given `prop`.
+ *
+ * ```js
+ * var Cache = require('cache-base').namespace('data');
+ * var cache = new Cache();
+ *
+ * cache.set('foo', 'bar');
+ * //=> {data: {foo: 'bar'}}
+ * ```
+ * @param {String} `prop` The property name to use for storing values.
+ * @return {Function} Returns a custom `Cache` constructor
+ * @api public
+ */
+
+function namespace(prop) {
+
+  /**
+   * Create a new `Cache`. Internally the `Cache` constructor is created using
+   * the `namespace` function, with `cache` defined as the storage object.
+   *
+   * ```js
+   * var app = new Cache();
+   * ```
+   * @param {Object} `cache` Optionally pass an object to initialize with.
+   * @constructor
+   * @api public
+   */
+
+  function Cache(cache) {
+    if (prop) {
+      this[prop] = {};
+    }
+    if (cache) {
+      this.set(cache);
+    }
+  }
+
+  /**
+   * Inherit Emitter
+   */
+
+  Emitter(Cache.prototype);
+
+  /**
+   * Assign `value` to `key`. Also emits `set` with
+   * the key and value.
+   *
+   * ```js
+   * app.on('set', function(key, val) {
+   *   // do something when `set` is emitted
+   * });
+   *
+   * app.set(key, value);
+   *
+   * // also takes an object or array
+   * app.set({name: 'Halle'});
+   * app.set([{foo: 'bar'}, {baz: 'quux'}]);
+   * console.log(app);
+   * //=> {name: 'Halle', foo: 'bar', baz: 'quux'}
+   * ```
+   *
+   * @name .set
+   * @emits `set` with `key` and `value` as arguments.
+   * @param {String} `key`
+   * @param {any} `value`
+   * @return {Object} Returns the instance for chaining.
+   * @api public
+   */
+
+  Cache.prototype.set = function(key, val) {
+    if (Array.isArray(key) && arguments.length === 2) {
+      key = toPath(key);
+    }
+    if (isObject(key) || Array.isArray(key)) {
+      this.visit('set', key);
+    } else {
+      set(prop ? this[prop] : this, key, val);
+      this.emit('set', key, val);
+    }
+    return this;
+  };
+
+  /**
+   * Union `array` to `key`. Also emits `set` with
+   * the key and value.
+   *
+   * ```js
+   * app.union('a.b', ['foo']);
+   * app.union('a.b', ['bar']);
+   * console.log(app.get('a'));
+   * //=> {b: ['foo', 'bar']}
+   * ```
+   * @name .union
+   * @param {String} `key`
+   * @param {any} `value`
+   * @return {Object} Returns the instance for chaining.
+   * @api public
+   */
+
+  Cache.prototype.union = function(key, val) {
+    if (Array.isArray(key) && arguments.length === 2) {
+      key = toPath(key);
+    }
+    var ctx = prop ? this[prop] : this;
+    union(ctx, key, arrayify(val));
+    this.emit('union', val);
+    return this;
+  };
+
+  /**
+   * Return the value of `key`. Dot notation may be used
+   * to get [nested property values][get-value].
+   *
+   * ```js
+   * app.set('a.b.c', 'd');
+   * app.get('a.b');
+   * //=> {c: 'd'}
+   *
+   * app.get(['a', 'b']);
+   * //=> {c: 'd'}
+   * ```
+   *
+   * @name .get
+   * @emits `get` with `key` and `value` as arguments.
+   * @param {String} `key` The name of the property to get. Dot-notation may be used.
+   * @return {any} Returns the value of `key`
+   * @api public
+   */
+
+  Cache.prototype.get = function(key) {
+    key = toPath(arguments);
+
+    var ctx = prop ? this[prop] : this;
+    var val = get(ctx, key);
+
+    this.emit('get', key, val);
+    return val;
+  };
+
+  /**
+   * Return true if app has a stored value for `key`,
+   * false only if value is `undefined`.
+   *
+   * ```js
+   * app.set('foo', 'bar');
+   * app.has('foo');
+   * //=> true
+   * ```
+   *
+   * @name .has
+   * @emits `has` with `key` and true or false as arguments.
+   * @param {String} `key`
+   * @return {Boolean}
+   * @api public
+   */
+
+  Cache.prototype.has = function(key) {
+    key = toPath(arguments);
+
+    var ctx = prop ? this[prop] : this;
+    var val = get(ctx, key);
+
+    var has = typeof val !== 'undefined';
+    this.emit('has', key, has);
+    return has;
+  };
+
+  /**
+   * Delete one or more properties from the instance.
+   *
+   * ```js
+   * app.del(); // delete all
+   * // or
+   * app.del('foo');
+   * // or
+   * app.del(['foo', 'bar']);
+   * ```
+   * @name .del
+   * @emits `del` with the `key` as the only argument.
+   * @param {String|Array} `key` Property name or array of property names.
+   * @return {Object} Returns the instance for chaining.
+   * @api public
+   */
+
+  Cache.prototype.del = function(key) {
+    if (Array.isArray(key)) {
+      this.visit('del', key);
+    } else {
+      del(prop ? this[prop] : this, key);
+      this.emit('del', key);
+    }
+    return this;
+  };
+
+  /**
+   * Reset the entire cache to an empty object.
+   *
+   * ```js
+   * app.clear();
+   * ```
+   * @api public
+   */
+
+  Cache.prototype.clear = function() {
+    if (prop) {
+      this[prop] = {};
+    }
+  };
+
+  /**
+   * Visit `method` over the properties in the given object, or map
+   * visit over the object-elements in an array.
+   *
+   * @name .visit
+   * @param {String} `method` The name of the `base` method to call.
+   * @param {Object|Array} `val` The object or array to iterate over.
+   * @return {Object} Returns the instance for chaining.
+   * @api public
+   */
+
+  Cache.prototype.visit = function(method, val) {
+    visit(this, method, val);
+    return this;
+  };
+
+  return Cache;
+}
+
+/**
+ * Cast val to an array
+ */
+
+function arrayify(val) {
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+}
+
+/**
+ * Expose `Cache`
+ */
+
+module.exports = namespace();
+
+/**
+ * Expose `Cache.namespace`
+ */
+
+module.exports.namespace = namespace;
diff --git a/node_modules/cache-base/package.json b/node_modules/cache-base/package.json
new file mode 100644
index 00000000..fd88a110
--- /dev/null
+++ b/node_modules/cache-base/package.json
@@ -0,0 +1,82 @@
+{
+  "name": "cache-base",
+  "description": "Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects.",
+  "version": "1.0.1",
+  "homepage": "https://github.com/jonschlinkert/cache-base",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "jonschlinkert/cache-base",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/cache-base/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "collection-visit": "^1.0.0",
+    "component-emitter": "^1.2.1",
+    "get-value": "^2.0.6",
+    "has-value": "^1.0.0",
+    "isobject": "^3.0.1",
+    "set-value": "^2.0.0",
+    "to-object-path": "^0.3.0",
+    "union-value": "^1.0.0",
+    "unset-value": "^1.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.4.2"
+  },
+  "keywords": [
+    "base",
+    "cache",
+    "config",
+    "data",
+    "get",
+    "has",
+    "hash",
+    "hasown",
+    "object",
+    "set",
+    "store"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "highligh": "base",
+      "list": [
+        "base-methods",
+        "get-value",
+        "has-value",
+        "option-cache",
+        "set-value",
+        "unset-value"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/call-bind-apply-helpers/.eslintrc b/node_modules/call-bind-apply-helpers/.eslintrc
new file mode 100644
index 00000000..201e859b
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/.eslintrc
@@ -0,0 +1,17 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+		"no-extra-parens": 0,
+		"no-magic-numbers": 0,
+	},
+}
diff --git a/node_modules/call-bind-apply-helpers/.github/FUNDING.yml b/node_modules/call-bind-apply-helpers/.github/FUNDING.yml
new file mode 100644
index 00000000..0011e9d6
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/call-bind-apply-helpers
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/call-bind-apply-helpers/.nycrc b/node_modules/call-bind-apply-helpers/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/call-bind-apply-helpers/CHANGELOG.md b/node_modules/call-bind-apply-helpers/CHANGELOG.md
new file mode 100644
index 00000000..24849428
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/CHANGELOG.md
@@ -0,0 +1,30 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/ljharb/call-bind-apply-helpers/compare/v1.0.1...v1.0.2) - 2025-02-12
+
+### Commits
+
+- [types] improve inferred types [`e6f9586`](https://github.com/ljharb/call-bind-apply-helpers/commit/e6f95860a3c72879cb861a858cdfb8138fbedec1)
+- [Dev Deps] update `@arethetypeswrong/cli`, `@ljharb/tsconfig`, `@types/tape`, `es-value-fixtures`, `for-each`, `has-strict-mode`, `object-inspect` [`e43d540`](https://github.com/ljharb/call-bind-apply-helpers/commit/e43d5409f97543bfbb11f345d47d8ce4e066d8c1)
+
+## [v1.0.1](https://github.com/ljharb/call-bind-apply-helpers/compare/v1.0.0...v1.0.1) - 2024-12-08
+
+### Commits
+
+- [types] `reflectApply`: fix types [`4efc396`](https://github.com/ljharb/call-bind-apply-helpers/commit/4efc3965351a4f02cc55e836fa391d3d11ef2ef8)
+- [Fix] `reflectApply`: oops, Reflect is not a function [`83cc739`](https://github.com/ljharb/call-bind-apply-helpers/commit/83cc7395de6b79b7730bdf092f1436f0b1263c75)
+- [Dev Deps] update `@arethetypeswrong/cli` [`80bd5d3`](https://github.com/ljharb/call-bind-apply-helpers/commit/80bd5d3ae58b4f6b6995ce439dd5a1bcb178a940)
+
+## v1.0.0 - 2024-12-05
+
+### Commits
+
+- Initial implementation, tests, readme [`7879629`](https://github.com/ljharb/call-bind-apply-helpers/commit/78796290f9b7430c9934d6f33d94ae9bc89fce04)
+- Initial commit [`3f1dc16`](https://github.com/ljharb/call-bind-apply-helpers/commit/3f1dc164afc43285631b114a5f9dd9137b2b952f)
+- npm init [`081df04`](https://github.com/ljharb/call-bind-apply-helpers/commit/081df048c312fcee400922026f6e97281200a603)
+- Only apps should have lockfiles [`5b9ca0f`](https://github.com/ljharb/call-bind-apply-helpers/commit/5b9ca0fe8101ebfaf309c549caac4e0a017ed930)
diff --git a/node_modules/call-bind-apply-helpers/LICENSE b/node_modules/call-bind-apply-helpers/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/call-bind-apply-helpers/README.md b/node_modules/call-bind-apply-helpers/README.md
new file mode 100644
index 00000000..8fc0dae1
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/README.md
@@ -0,0 +1,62 @@
+# call-bind-apply-helpers <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Helper functions around Function call/apply/bind, for use in `call-bind`.
+
+The only packages that should likely ever use this package directly are `call-bind` and `get-intrinsic`.
+Please use `call-bind` unless you have a very good reason not to.
+
+## Getting started
+
+```sh
+npm install --save call-bind-apply-helpers
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const callBindBasic = require('call-bind-apply-helpers');
+
+function f(a, b) {
+	assert.equal(this, 1);
+	assert.equal(a, 2);
+	assert.equal(b, 3);
+	assert.equal(arguments.length, 2);
+}
+
+const fBound = callBindBasic([f, 1]);
+
+delete Function.prototype.call;
+delete Function.prototype.bind;
+
+fBound(2, 3);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/call-bind-apply-helpers
+[npm-version-svg]: https://versionbadg.es/ljharb/call-bind-apply-helpers.svg
+[deps-svg]: https://david-dm.org/ljharb/call-bind-apply-helpers.svg
+[deps-url]: https://david-dm.org/ljharb/call-bind-apply-helpers
+[dev-deps-svg]: https://david-dm.org/ljharb/call-bind-apply-helpers/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/call-bind-apply-helpers#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/call-bind-apply-helpers.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/call-bind-apply-helpers.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/call-bind-apply-helpers.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=call-bind-apply-helpers
+[codecov-image]: https://codecov.io/gh/ljharb/call-bind-apply-helpers/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/call-bind-apply-helpers/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind-apply-helpers
+[actions-url]: https://github.com/ljharb/call-bind-apply-helpers/actions
diff --git a/node_modules/call-bind-apply-helpers/actualApply.d.ts b/node_modules/call-bind-apply-helpers/actualApply.d.ts
new file mode 100644
index 00000000..b87286a2
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/actualApply.d.ts
@@ -0,0 +1 @@
+export = Reflect.apply;
\ No newline at end of file
diff --git a/node_modules/call-bind-apply-helpers/actualApply.js b/node_modules/call-bind-apply-helpers/actualApply.js
new file mode 100644
index 00000000..ffa51355
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/actualApply.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var bind = require('function-bind');
+
+var $apply = require('./functionApply');
+var $call = require('./functionCall');
+var $reflectApply = require('./reflectApply');
+
+/** @type {import('./actualApply')} */
+module.exports = $reflectApply || bind.call($call, $apply);
diff --git a/node_modules/call-bind-apply-helpers/applyBind.d.ts b/node_modules/call-bind-apply-helpers/applyBind.d.ts
new file mode 100644
index 00000000..d176c1ab
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/applyBind.d.ts
@@ -0,0 +1,19 @@
+import actualApply from './actualApply';
+
+type TupleSplitHead<T extends any[], N extends number> = T['length'] extends N
+  ? T
+  : T extends [...infer R, any]
+  ? TupleSplitHead<R, N>
+  : never
+
+type TupleSplitTail<T, N extends number, O extends any[] = []> = O['length'] extends N
+  ? T
+  : T extends [infer F, ...infer R]
+  ? TupleSplitTail<[...R], N, [...O, F]>
+  : never
+
+type TupleSplit<T extends any[], N extends number> = [TupleSplitHead<T, N>, TupleSplitTail<T, N>]
+
+declare function applyBind(...args: TupleSplit<Parameters<typeof actualApply>, 2>[1]): ReturnType<typeof actualApply>;
+
+export = applyBind;
\ No newline at end of file
diff --git a/node_modules/call-bind-apply-helpers/applyBind.js b/node_modules/call-bind-apply-helpers/applyBind.js
new file mode 100644
index 00000000..d2b77231
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/applyBind.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var bind = require('function-bind');
+var $apply = require('./functionApply');
+var actualApply = require('./actualApply');
+
+/** @type {import('./applyBind')} */
+module.exports = function applyBind() {
+	return actualApply(bind, $apply, arguments);
+};
diff --git a/node_modules/call-bind-apply-helpers/functionApply.d.ts b/node_modules/call-bind-apply-helpers/functionApply.d.ts
new file mode 100644
index 00000000..1f6e11b3
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/functionApply.d.ts
@@ -0,0 +1 @@
+export = Function.prototype.apply;
\ No newline at end of file
diff --git a/node_modules/call-bind-apply-helpers/functionApply.js b/node_modules/call-bind-apply-helpers/functionApply.js
new file mode 100644
index 00000000..c71df9c2
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/functionApply.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./functionApply')} */
+module.exports = Function.prototype.apply;
diff --git a/node_modules/call-bind-apply-helpers/functionCall.d.ts b/node_modules/call-bind-apply-helpers/functionCall.d.ts
new file mode 100644
index 00000000..15e93df3
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/functionCall.d.ts
@@ -0,0 +1 @@
+export = Function.prototype.call;
\ No newline at end of file
diff --git a/node_modules/call-bind-apply-helpers/functionCall.js b/node_modules/call-bind-apply-helpers/functionCall.js
new file mode 100644
index 00000000..7a8d8735
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/functionCall.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./functionCall')} */
+module.exports = Function.prototype.call;
diff --git a/node_modules/call-bind-apply-helpers/index.d.ts b/node_modules/call-bind-apply-helpers/index.d.ts
new file mode 100644
index 00000000..541516bd
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/index.d.ts
@@ -0,0 +1,64 @@
+type RemoveFromTuple<
+  Tuple extends readonly unknown[],
+  RemoveCount extends number,
+  Index extends 1[] = []
+> = Index["length"] extends RemoveCount
+  ? Tuple
+  : Tuple extends [infer First, ...infer Rest]
+  ? RemoveFromTuple<Rest, RemoveCount, [...Index, 1]>
+  : Tuple;
+
+type ConcatTuples<
+  Prefix extends readonly unknown[],
+  Suffix extends readonly unknown[]
+> = [...Prefix, ...Suffix];
+
+type ExtractFunctionParams<T> = T extends (this: infer TThis, ...args: infer P extends readonly unknown[]) => infer R
+  ? { thisArg: TThis; params: P; returnType: R }
+  : never;
+
+type BindFunction<
+  T extends (this: any, ...args: any[]) => any,
+  TThis,
+  TBoundArgs extends readonly unknown[],
+  ReceiverBound extends boolean
+> = ExtractFunctionParams<T> extends {
+  thisArg: infer OrigThis;
+  params: infer P extends readonly unknown[];
+  returnType: infer R;
+}
+  ? ReceiverBound extends true
+    ? (...args: RemoveFromTuple<P, Extract<TBoundArgs["length"], number>>) => R extends [OrigThis, ...infer Rest]
+      ? [TThis, ...Rest] // Replace `this` with `thisArg`
+      : R
+    : <U, RemainingArgs extends RemoveFromTuple<P, Extract<TBoundArgs["length"], number>>>(
+        thisArg: U,
+        ...args: RemainingArgs
+      ) => R extends [OrigThis, ...infer Rest]
+      ? [U, ...ConcatTuples<TBoundArgs, Rest>] // Preserve bound args in return type
+      : R
+  : never;
+
+declare function callBind<
+  const T extends (this: any, ...args: any[]) => any,
+  Extracted extends ExtractFunctionParams<T>,
+  const TBoundArgs extends Partial<Extracted["params"]> & readonly unknown[],
+  const TThis extends Extracted["thisArg"]
+>(
+  args: [fn: T, thisArg: TThis, ...boundArgs: TBoundArgs]
+): BindFunction<T, TThis, TBoundArgs, true>;
+
+declare function callBind<
+  const T extends (this: any, ...args: any[]) => any,
+  Extracted extends ExtractFunctionParams<T>,
+  const TBoundArgs extends Partial<Extracted["params"]> & readonly unknown[]
+>(
+  args: [fn: T, ...boundArgs: TBoundArgs]
+): BindFunction<T, Extracted["thisArg"], TBoundArgs, false>;
+
+declare function callBind<const TArgs extends readonly unknown[]>(
+  args: [fn: Exclude<TArgs[0], Function>, ...rest: TArgs]
+): never;
+
+// export as namespace callBind;
+export = callBind;
diff --git a/node_modules/call-bind-apply-helpers/index.js b/node_modules/call-bind-apply-helpers/index.js
new file mode 100644
index 00000000..2f6dab4c
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/index.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var bind = require('function-bind');
+var $TypeError = require('es-errors/type');
+
+var $call = require('./functionCall');
+var $actualApply = require('./actualApply');
+
+/** @type {(args: [Function, thisArg?: unknown, ...args: unknown[]]) => Function} TODO FIXME, find a way to use import('.') */
+module.exports = function callBindBasic(args) {
+	if (args.length < 1 || typeof args[0] !== 'function') {
+		throw new $TypeError('a function is required');
+	}
+	return $actualApply(bind, $call, args);
+};
diff --git a/node_modules/call-bind-apply-helpers/package.json b/node_modules/call-bind-apply-helpers/package.json
new file mode 100644
index 00000000..923b8be2
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/package.json
@@ -0,0 +1,85 @@
+{
+	"name": "call-bind-apply-helpers",
+	"version": "1.0.2",
+	"description": "Helper functions around Function call/apply/bind, for use in `call-bind`",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./actualApply": "./actualApply.js",
+		"./applyBind": "./applyBind.js",
+		"./functionApply": "./functionApply.js",
+		"./functionCall": "./functionCall.js",
+		"./reflectApply": "./reflectApply.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/call-bind-apply-helpers.git"
+	},
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/call-bind-apply-helpers/issues"
+	},
+	"homepage": "https://github.com/ljharb/call-bind-apply-helpers#readme",
+	"dependencies": {
+		"es-errors": "^1.3.0",
+		"function-bind": "^1.1.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.3",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.3",
+		"@types/for-each": "^0.3.3",
+		"@types/function-bind": "^1.1.10",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.8.1",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"es-value-fixtures": "^1.7.1",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.5",
+		"has-strict-mode": "^1.1.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.4",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/call-bind-apply-helpers/reflectApply.d.ts b/node_modules/call-bind-apply-helpers/reflectApply.d.ts
new file mode 100644
index 00000000..6b2ae764
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/reflectApply.d.ts
@@ -0,0 +1,3 @@
+declare const reflectApply: false | typeof Reflect.apply;
+
+export = reflectApply;
diff --git a/node_modules/call-bind-apply-helpers/reflectApply.js b/node_modules/call-bind-apply-helpers/reflectApply.js
new file mode 100644
index 00000000..3d03caa6
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/reflectApply.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./reflectApply')} */
+module.exports = typeof Reflect !== 'undefined' && Reflect && Reflect.apply;
diff --git a/node_modules/call-bind-apply-helpers/test/index.js b/node_modules/call-bind-apply-helpers/test/index.js
new file mode 100644
index 00000000..1cdc89ed
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/test/index.js
@@ -0,0 +1,63 @@
+'use strict';
+
+var callBind = require('../');
+var hasStrictMode = require('has-strict-mode')();
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+var v = require('es-value-fixtures');
+
+var test = require('tape');
+
+test('callBindBasic', function (t) {
+	forEach(v.nonFunctions, function (nonFunction) {
+		t['throws'](
+			// @ts-expect-error
+			function () { callBind([nonFunction]); },
+			TypeError,
+			inspect(nonFunction) + ' is not a function'
+		);
+	});
+
+	var sentinel = { sentinel: true };
+	/** @type {<T, A extends number, B extends number>(this: T, a: A, b: B) => [T | undefined, A, B]} */
+	var func = function (a, b) {
+		// eslint-disable-next-line no-invalid-this
+		return [!hasStrictMode && this === global ? undefined : this, a, b];
+	};
+	t.equal(func.length, 2, 'original function length is 2');
+
+	/** type {(thisArg: unknown, a: number, b: number) => [unknown, number, number]} */
+	var bound = callBind([func]);
+	/** type {((a: number, b: number) => [typeof sentinel, typeof a, typeof b])} */
+	var boundR = callBind([func, sentinel]);
+	/** type {((b: number) => [typeof sentinel, number, typeof b])} */
+	var boundArg = callBind([func, sentinel, /** @type {const} */ (1)]);
+
+	// @ts-expect-error
+	t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with no args');
+
+	// @ts-expect-error
+	t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
+	// @ts-expect-error
+	t.deepEqual(bound(1, 2), [hasStrictMode ? 1 : Object(1), 2, undefined], 'bound func too few args');
+	// @ts-expect-error
+	t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
+	// @ts-expect-error
+	t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
+
+	t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
+	t.deepEqual(bound(1, 2, 3), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with right args');
+	t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
+	t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
+
+	// @ts-expect-error
+	t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
+	// @ts-expect-error
+	t.deepEqual(bound(1, 2, 3, 4), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with too many args');
+	// @ts-expect-error
+	t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
+	// @ts-expect-error
+	t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
+
+	t.end();
+});
diff --git a/node_modules/call-bind-apply-helpers/tsconfig.json b/node_modules/call-bind-apply-helpers/tsconfig.json
new file mode 100644
index 00000000..aef99930
--- /dev/null
+++ b/node_modules/call-bind-apply-helpers/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
\ No newline at end of file
diff --git a/node_modules/call-bind/.eslintignore b/node_modules/call-bind/.eslintignore
new file mode 100644
index 00000000..404abb22
--- /dev/null
+++ b/node_modules/call-bind/.eslintignore
@@ -0,0 +1 @@
+coverage/
diff --git a/node_modules/call-bind/.eslintrc b/node_modules/call-bind/.eslintrc
new file mode 100644
index 00000000..dfa9a6cd
--- /dev/null
+++ b/node_modules/call-bind/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+		"no-magic-numbers": 0,
+	},
+}
diff --git a/node_modules/call-bind/.github/FUNDING.yml b/node_modules/call-bind/.github/FUNDING.yml
new file mode 100644
index 00000000..c70c2ecd
--- /dev/null
+++ b/node_modules/call-bind/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/call-bind
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/call-bind/.nycrc b/node_modules/call-bind/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/call-bind/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/call-bind/CHANGELOG.md b/node_modules/call-bind/CHANGELOG.md
new file mode 100644
index 00000000..be0de99f
--- /dev/null
+++ b/node_modules/call-bind/CHANGELOG.md
@@ -0,0 +1,106 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.8](https://github.com/ljharb/call-bind/compare/v1.0.7...v1.0.8) - 2024-12-05
+
+### Commits
+
+- [Refactor] extract out some helpers and avoid get-intrinsic usage [`407fd5e`](https://github.com/ljharb/call-bind/commit/407fd5eec34ec58394522a6ce3badfa4788fd5ae)
+- [Refactor] replace code with extracted `call-bind-apply-helpers` [`81018fb`](https://github.com/ljharb/call-bind/commit/81018fb78902ff5acbc6c09300780e97f0db6a34)
+- [Tests] use `set-function-length/env` [`0fc311d`](https://github.com/ljharb/call-bind/commit/0fc311de0e115cfa6b02969b23a42ad45aadf224)
+- [actions] split out node 10-20, and 20+ [`77a0cad`](https://github.com/ljharb/call-bind/commit/77a0cad75f83f5b8050dc13baef4fa2cff537fa3)
+- [Dev Deps] update `@ljharb/eslint-config`, `auto-changelog`, `es-value-fixtures`, `gopd`, `object-inspect`, `tape` [`a145d10`](https://github.com/ljharb/call-bind/commit/a145d10fe847f350e11094f8541848b028ee8c91)
+- [Tests] replace `aud` with `npm audit` [`30ca3dd`](https://github.com/ljharb/call-bind/commit/30ca3dd7234648eb029947477d06b17879e10727)
+- [Deps] update `set-function-length` [`57c79a3`](https://github.com/ljharb/call-bind/commit/57c79a3666022ea797cc2a4a3b43fe089bc97d1b)
+- [Dev Deps] add missing peer dep [`601cfa5`](https://github.com/ljharb/call-bind/commit/601cfa5540066b6206039ceb9496cecbd134ff7b)
+
+## [v1.0.7](https://github.com/ljharb/call-bind/compare/v1.0.6...v1.0.7) - 2024-02-12
+
+### Commits
+
+- [Refactor] use `es-define-property` [`09b76a0`](https://github.com/ljharb/call-bind/commit/09b76a01634440461d44a80c9924ec4b500f3b03)
+- [Deps] update `get-intrinsic`, `set-function-length` [`ad5136d`](https://github.com/ljharb/call-bind/commit/ad5136ddda2a45c590959829ad3dce0c9f4e3590)
+
+## [v1.0.6](https://github.com/ljharb/call-bind/compare/v1.0.5...v1.0.6) - 2024-02-05
+
+### Commits
+
+- [Dev Deps] update `aud`, `npmignore`, `tape` [`d564d5c`](https://github.com/ljharb/call-bind/commit/d564d5ce3e06a19df4d499c77f8d1a9da44e77aa)
+- [Deps] update `get-intrinsic`, `set-function-length` [`cfc2bdc`](https://github.com/ljharb/call-bind/commit/cfc2bdca7b633df0e0e689e6b637f668f1c6792e)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`64cd289`](https://github.com/ljharb/call-bind/commit/64cd289ae5862c250a4ca80aa8d461047c166af5)
+- [meta] add missing `engines.node` [`32a4038`](https://github.com/ljharb/call-bind/commit/32a4038857b62179f7f9b7b3df2c5260036be582)
+
+## [v1.0.5](https://github.com/ljharb/call-bind/compare/v1.0.4...v1.0.5) - 2023-10-19
+
+### Commits
+
+- [Fix] throw an error on non-functions as early as possible [`f262408`](https://github.com/ljharb/call-bind/commit/f262408f822c840fbc268080f3ad7c429611066d)
+- [Deps] update `set-function-length` [`3fff271`](https://github.com/ljharb/call-bind/commit/3fff27145a1e3a76a5b74f1d7c3c43d0fa3b9871)
+
+## [v1.0.4](https://github.com/ljharb/call-bind/compare/v1.0.3...v1.0.4) - 2023-10-19
+
+## [v1.0.3](https://github.com/ljharb/call-bind/compare/v1.0.2...v1.0.3) - 2023-10-19
+
+### Commits
+
+- [actions] reuse common workflows [`a994df6`](https://github.com/ljharb/call-bind/commit/a994df69f401f4bf735a4ccd77029b85d1549453)
+- [meta] use `npmignore` to autogenerate an npmignore file [`eef3ef2`](https://github.com/ljharb/call-bind/commit/eef3ef21e1f002790837fedb8af2679c761fbdf5)
+- [readme] flesh out content [`1845ccf`](https://github.com/ljharb/call-bind/commit/1845ccfd9976a607884cfc7157c93192cc16cf22)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`5b47d53`](https://github.com/ljharb/call-bind/commit/5b47d53d2fd74af5ea0a44f1d51e503cd42f7a90)
+- [Refactor] use `set-function-length` [`a0e165c`](https://github.com/ljharb/call-bind/commit/a0e165c5dc61db781cbc919b586b1c2b8da0b150)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`9c50103`](https://github.com/ljharb/call-bind/commit/9c50103f44137279a817317cf6cc421a658f85b4)
+- [meta] simplify "exports" [`019c6d0`](https://github.com/ljharb/call-bind/commit/019c6d06b0e1246ceed8e579f57e44441cbbf6d9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `safe-publish-latest`, `tape` [`23bd718`](https://github.com/ljharb/call-bind/commit/23bd718a288d3b03042062b4ef5153b3cea83f11)
+- [actions] update codecov uploader [`62552d7`](https://github.com/ljharb/call-bind/commit/62552d79cc79e05825e99aaba134ae5b37f33da5)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`ec81665`](https://github.com/ljharb/call-bind/commit/ec81665b300f87eabff597afdc8b8092adfa7afd)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`35d67fc`](https://github.com/ljharb/call-bind/commit/35d67fcea883e686650f736f61da5ddca2592de8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`0266d8d`](https://github.com/ljharb/call-bind/commit/0266d8d2a45086a922db366d0c2932fa463662ff)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`43a5b28`](https://github.com/ljharb/call-bind/commit/43a5b28a444e710e1bbf92adb8afb5cf7523a223)
+- [Deps] update `define-data-property`, `function-bind`, `get-intrinsic` [`780eb36`](https://github.com/ljharb/call-bind/commit/780eb36552514f8cc99c70821ce698697c2726a5)
+- [Dev Deps] update `aud`, `tape` [`90d50ad`](https://github.com/ljharb/call-bind/commit/90d50ad03b061e0268b3380b0065fcaec183dc05)
+- [meta] use `prepublishOnly` script for npm 7+ [`44c5433`](https://github.com/ljharb/call-bind/commit/44c5433b7980e02b4870007046407cf6fc543329)
+- [Deps] update `get-intrinsic` [`86bfbfc`](https://github.com/ljharb/call-bind/commit/86bfbfcf34afdc6eabc93ce3d408548d0e27d958)
+- [Deps] update `get-intrinsic` [`5c53354`](https://github.com/ljharb/call-bind/commit/5c5335489be0294c18cd7a8bb6e08226ee019ff5)
+- [actions] update checkout action [`4c393a8`](https://github.com/ljharb/call-bind/commit/4c393a8173b3c8e5b30d5b3297b3b94d48bf87f3)
+- [Deps] update `get-intrinsic` [`4e70bde`](https://github.com/ljharb/call-bind/commit/4e70bdec0626acb11616d66250fc14565e716e91)
+- [Deps] update `get-intrinsic` [`55ae803`](https://github.com/ljharb/call-bind/commit/55ae803a920bd93c369cd798c20de31f91e9fc60)
+
+## [v1.0.2](https://github.com/ljharb/call-bind/compare/v1.0.1...v1.0.2) - 2021-01-11
+
+### Commits
+
+- [Fix] properly include the receiver in the bound length [`dbae7bc`](https://github.com/ljharb/call-bind/commit/dbae7bc676c079a0d33c0a43e9ef92cb7b01345d)
+
+## [v1.0.1](https://github.com/ljharb/call-bind/compare/v1.0.0...v1.0.1) - 2021-01-08
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`b6db284`](https://github.com/ljharb/call-bind/commit/b6db284c36f8ccd195b88a6764fe84b7223a0da1)
+- [meta] do not publish github action workflow files [`ec7fe46`](https://github.com/ljharb/call-bind/commit/ec7fe46e60cfa4764ee943d2755f5e5a366e578e)
+- [Fix] preserve original function’s length when possible [`adbceaa`](https://github.com/ljharb/call-bind/commit/adbceaa3cac4b41ea78bb19d7ccdbaaf7e0bdadb)
+- [Tests] gather coverage data on every job [`d69e23c`](https://github.com/ljharb/call-bind/commit/d69e23cc65f101ba1d4c19bb07fa8eb0ec624be8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`2fd3586`](https://github.com/ljharb/call-bind/commit/2fd3586c5d47b335364c14293114c6b625ae1f71)
+- [Deps] update `get-intrinsic` [`f23e931`](https://github.com/ljharb/call-bind/commit/f23e9318cc271c2add8bb38cfded85ee7baf8eee)
+- [Deps] update `get-intrinsic` [`72d9f44`](https://github.com/ljharb/call-bind/commit/72d9f44e184465ba8dd3fb48260bbcff234985f2)
+- [meta] fix FUNDING.yml [`e723573`](https://github.com/ljharb/call-bind/commit/e723573438c5a68dcec31fb5d96ea6b7e4a93be8)
+- [eslint] ignore coverage output [`15e76d2`](https://github.com/ljharb/call-bind/commit/15e76d28a5f43e504696401e5b31ebb78ee1b532)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`8fa4dab`](https://github.com/ljharb/call-bind/commit/8fa4dabb23ba3dd7bb92c9571c1241c08b56e4b6)
+
+## v1.0.0 - 2020-10-30
+
+### Commits
+
+- Initial commit [`306cf98`](https://github.com/ljharb/call-bind/commit/306cf98c7ec9e7ef66b653ec152277ac1381eb50)
+- Tests [`e10d0bb`](https://github.com/ljharb/call-bind/commit/e10d0bbdadc7a10ecedc9a1c035112d3e368b8df)
+- Implementation [`43852ed`](https://github.com/ljharb/call-bind/commit/43852eda0f187327b7fad2423ca972149a52bd65)
+- npm init [`408f860`](https://github.com/ljharb/call-bind/commit/408f860b773a2f610805fd3613d0d71bac1b6249)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`fb349b2`](https://github.com/ljharb/call-bind/commit/fb349b2e48defbec8b5ec8a8395cc8f69f220b13)
+- [meta] add `auto-changelog` [`c4001fc`](https://github.com/ljharb/call-bind/commit/c4001fc43031799ef908211c98d3b0fb2b60fde4)
+- [meta] add "funding"; create `FUNDING.yml` [`d4d6d29`](https://github.com/ljharb/call-bind/commit/d4d6d2974a14bc2e98830468eda7fe6d6a776717)
+- [Tests] add `npm run lint` [`dedfb98`](https://github.com/ljharb/call-bind/commit/dedfb98bd0ecefb08ddb9a94061bd10cde4332af)
+- Only apps should have lockfiles [`54ac776`](https://github.com/ljharb/call-bind/commit/54ac77653db45a7361dc153d2f478e743f110650)
+- [meta] add `safe-publish-latest` [`9ea8e43`](https://github.com/ljharb/call-bind/commit/9ea8e435b950ce9b705559cd651039f9bf40140f)
diff --git a/node_modules/call-bind/LICENSE b/node_modules/call-bind/LICENSE
new file mode 100644
index 00000000..48f05d01
--- /dev/null
+++ b/node_modules/call-bind/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/call-bind/README.md b/node_modules/call-bind/README.md
new file mode 100644
index 00000000..48e9047f
--- /dev/null
+++ b/node_modules/call-bind/README.md
@@ -0,0 +1,64 @@
+# call-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Robustly `.call.bind()` a function.
+
+## Getting started
+
+```sh
+npm install --save call-bind
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const callBind = require('call-bind');
+const callBound = require('call-bind/callBound');
+
+function f(a, b) {
+	assert.equal(this, 1);
+	assert.equal(a, 2);
+	assert.equal(b, 3);
+	assert.equal(arguments.length, 2);
+}
+
+const fBound = callBind(f);
+
+const slice = callBound('Array.prototype.slice');
+
+delete Function.prototype.call;
+delete Function.prototype.bind;
+
+fBound(1, 2, 3);
+
+assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/call-bind
+[npm-version-svg]: https://versionbadg.es/ljharb/call-bind.svg
+[deps-svg]: https://david-dm.org/ljharb/call-bind.svg
+[deps-url]: https://david-dm.org/ljharb/call-bind
+[dev-deps-svg]: https://david-dm.org/ljharb/call-bind/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/call-bind#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/call-bind.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/call-bind.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/call-bind.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=call-bind
+[codecov-image]: https://codecov.io/gh/ljharb/call-bind/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/call-bind/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind
+[actions-url]: https://github.com/ljharb/call-bind/actions
diff --git a/node_modules/call-bind/callBound.js b/node_modules/call-bind/callBound.js
new file mode 100644
index 00000000..8374adfd
--- /dev/null
+++ b/node_modules/call-bind/callBound.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var callBind = require('./');
+
+var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
+
+module.exports = function callBoundIntrinsic(name, allowMissing) {
+	var intrinsic = GetIntrinsic(name, !!allowMissing);
+	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
+		return callBind(intrinsic);
+	}
+	return intrinsic;
+};
diff --git a/node_modules/call-bind/index.js b/node_modules/call-bind/index.js
new file mode 100644
index 00000000..b6423393
--- /dev/null
+++ b/node_modules/call-bind/index.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var setFunctionLength = require('set-function-length');
+
+var $defineProperty = require('es-define-property');
+
+var callBindBasic = require('call-bind-apply-helpers');
+var applyBind = require('call-bind-apply-helpers/applyBind');
+
+module.exports = function callBind(originalFunction) {
+	var func = callBindBasic(arguments);
+	var adjustedLength = originalFunction.length - (arguments.length - 1);
+	return setFunctionLength(
+		func,
+		1 + (adjustedLength > 0 ? adjustedLength : 0),
+		true
+	);
+};
+
+if ($defineProperty) {
+	$defineProperty(module.exports, 'apply', { value: applyBind });
+} else {
+	module.exports.apply = applyBind;
+}
diff --git a/node_modules/call-bind/package.json b/node_modules/call-bind/package.json
new file mode 100644
index 00000000..3642a371
--- /dev/null
+++ b/node_modules/call-bind/package.json
@@ -0,0 +1,93 @@
+{
+	"name": "call-bind",
+	"version": "1.0.8",
+	"description": "Robustly `.call.bind()` a function",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./callBound": "./callBound.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"lint": "eslint --ext=.js,.mjs .",
+		"postlint": "evalmd README.md",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/call-bind.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"callbind",
+		"callbound",
+		"call",
+		"bind",
+		"bound",
+		"call-bind",
+		"call-bound",
+		"function",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/call-bind/issues"
+	},
+	"homepage": "https://github.com/ljharb/call-bind#readme",
+	"dependencies": {
+		"call-bind-apply-helpers": "^1.0.0",
+		"es-define-property": "^1.0.0",
+		"get-intrinsic": "^1.2.4",
+		"set-function-length": "^1.2.2"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"es-value-fixtures": "^1.5.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"has-strict-mode": "^1.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.3",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/call-bind/test/callBound.js b/node_modules/call-bind/test/callBound.js
new file mode 100644
index 00000000..c32319d7
--- /dev/null
+++ b/node_modules/call-bind/test/callBound.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var test = require('tape');
+
+var callBound = require('../callBound');
+
+test('callBound', function (t) {
+	// static primitive
+	t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself');
+	t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself');
+
+	// static non-function object
+	t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself');
+	t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself');
+	t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself');
+	t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself');
+
+	// static function
+	t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself');
+	t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself');
+
+	// prototype primitive
+	t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself');
+	t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself');
+
+	// prototype function
+	t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself');
+	t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself');
+	t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original');
+	t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original');
+
+	t['throws'](
+		function () { callBound('does not exist'); },
+		SyntaxError,
+		'nonexistent intrinsic throws'
+	);
+	t['throws'](
+		function () { callBound('does not exist', true); },
+		SyntaxError,
+		'allowMissing arg still throws for unknown intrinsic'
+	);
+
+	t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) {
+		st['throws'](
+			function () { callBound('WeakRef'); },
+			TypeError,
+			'real but absent intrinsic throws'
+		);
+		st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception');
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/call-bind/test/index.js b/node_modules/call-bind/test/index.js
new file mode 100644
index 00000000..f6d096a7
--- /dev/null
+++ b/node_modules/call-bind/test/index.js
@@ -0,0 +1,74 @@
+'use strict';
+
+var callBind = require('../');
+var hasStrictMode = require('has-strict-mode')();
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+var v = require('es-value-fixtures');
+
+var test = require('tape');
+
+/*
+ * older engines have length nonconfigurable
+ * in io.js v3, it is configurable except on bound functions, hence the .bind()
+ */
+var boundFnsHaveConfigurableLengths = require('set-function-length/env').boundFnsHaveConfigurableLengths;
+
+test('callBind', function (t) {
+	forEach(v.nonFunctions, function (nonFunction) {
+		t['throws'](
+			function () { callBind(nonFunction); },
+			TypeError,
+			inspect(nonFunction) + ' is not a function'
+		);
+	});
+
+	var sentinel = { sentinel: true };
+	var func = function (a, b) {
+		// eslint-disable-next-line no-invalid-this
+		return [!hasStrictMode && this === global ? undefined : this, a, b];
+	};
+	t.equal(func.length, 2, 'original function length is 2');
+	t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
+	t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
+	t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
+
+	var bound = callBind(func);
+	t.equal(bound.length, func.length + 1, 'function length is preserved', { skip: !boundFnsHaveConfigurableLengths });
+	t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args');
+	t.deepEqual(bound(1, 2), [hasStrictMode ? 1 : Object(1), 2, undefined], 'bound func with right args');
+	t.deepEqual(bound(1, 2, 3), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with too many args');
+
+	var boundR = callBind(func, sentinel);
+	t.equal(boundR.length, func.length, 'function length is preserved', { skip: !boundFnsHaveConfigurableLengths });
+	t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
+	t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
+	t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
+
+	var boundArg = callBind(func, sentinel, 1);
+	t.equal(boundArg.length, func.length - 1, 'function length is preserved', { skip: !boundFnsHaveConfigurableLengths });
+	t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
+	t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
+	t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
+
+	t.test('callBind.apply', function (st) {
+		var aBound = callBind.apply(func);
+		st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args');
+		st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+		st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+
+		var aBoundArg = callBind.apply(func);
+		st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args');
+		st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+		st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+
+		var aBoundR = callBind.apply(func, sentinel);
+		st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args');
+		st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args');
+		st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/call-bound/.eslintrc b/node_modules/call-bound/.eslintrc
new file mode 100644
index 00000000..2612ed8f
--- /dev/null
+++ b/node_modules/call-bound/.eslintrc
@@ -0,0 +1,13 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+}
diff --git a/node_modules/call-bound/.github/FUNDING.yml b/node_modules/call-bound/.github/FUNDING.yml
new file mode 100644
index 00000000..2a2a1357
--- /dev/null
+++ b/node_modules/call-bound/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/call-bound
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/call-bound/.nycrc b/node_modules/call-bound/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/call-bound/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/call-bound/CHANGELOG.md b/node_modules/call-bound/CHANGELOG.md
new file mode 100644
index 00000000..25fa7a5e
--- /dev/null
+++ b/node_modules/call-bound/CHANGELOG.md
@@ -0,0 +1,34 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.3](https://github.com/ljharb/call-bound/compare/v1.0.2...v1.0.3) - 2024-12-15
+
+### Commits
+
+- [Refactor] use `call-bind-apply-helpers` instead of `call-bind` [`5e0b134`](https://github.com/ljharb/call-bound/commit/5e0b13496df14fb7d05dae9412f088da8d3f75be)
+- [Deps] update `get-intrinsic` [`41fc967`](https://github.com/ljharb/call-bound/commit/41fc96732a22c7b7e8f381f93ccc54bb6293be2e)
+- [readme] fix example [`79a0137`](https://github.com/ljharb/call-bound/commit/79a0137723f7c6d09c9c05452bbf8d5efb5d6e49)
+- [meta] add `sideEffects` flag [`08b07be`](https://github.com/ljharb/call-bound/commit/08b07be7f1c03f67dc6f3cdaf0906259771859f7)
+
+## [v1.0.2](https://github.com/ljharb/call-bound/compare/v1.0.1...v1.0.2) - 2024-12-10
+
+### Commits
+
+- [Dev Deps] update `@arethetypeswrong/cli`, `@ljharb/tsconfig`, `gopd` [`e6a5ffe`](https://github.com/ljharb/call-bound/commit/e6a5ffe849368fe4f74dfd6cdeca1b9baa39e8d5)
+- [Deps] update `call-bind`, `get-intrinsic` [`2aeb5b5`](https://github.com/ljharb/call-bound/commit/2aeb5b521dc2b2683d1345c753ea1161de2d1c14)
+- [types] improve return type [`1a0c9fe`](https://github.com/ljharb/call-bound/commit/1a0c9fe3114471e7ca1f57d104e2efe713bb4871)
+
+## v1.0.1 - 2024-12-05
+
+### Commits
+
+- Initial implementation, tests, readme, types [`6d94121`](https://github.com/ljharb/call-bound/commit/6d94121a9243602e506334069f7a03189fe3363d)
+- Initial commit [`0eae867`](https://github.com/ljharb/call-bound/commit/0eae867334ea025c33e6e91cdecfc9df96680cf9)
+- npm init [`71b2479`](https://github.com/ljharb/call-bound/commit/71b2479c6723e0b7d91a6b663613067e98b7b275)
+- Only apps should have lockfiles [`c3754a9`](https://github.com/ljharb/call-bound/commit/c3754a949b7f9132b47e2d18c1729889736741eb)
+- [actions] skip `npm ls` in node &lt; 10 [`74275a5`](https://github.com/ljharb/call-bound/commit/74275a5186b8caf6309b6b97472bdcb0df4683a8)
+- [Dev Deps] add missing peer dep [`1354de8`](https://github.com/ljharb/call-bound/commit/1354de8679413e4ae9c523d85f76fa7a5e032d97)
diff --git a/node_modules/call-bound/LICENSE b/node_modules/call-bound/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/call-bound/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/call-bound/README.md b/node_modules/call-bound/README.md
new file mode 100644
index 00000000..a44e43e5
--- /dev/null
+++ b/node_modules/call-bound/README.md
@@ -0,0 +1,53 @@
+# call-bound <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
+
+## Getting started
+
+```sh
+npm install --save call-bound
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const callBound = require('call-bound');
+
+const slice = callBound('Array.prototype.slice');
+
+delete Function.prototype.call;
+delete Function.prototype.bind;
+delete Array.prototype.slice;
+
+assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/call-bound
+[npm-version-svg]: https://versionbadg.es/ljharb/call-bound.svg
+[deps-svg]: https://david-dm.org/ljharb/call-bound.svg
+[deps-url]: https://david-dm.org/ljharb/call-bound
+[dev-deps-svg]: https://david-dm.org/ljharb/call-bound/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/call-bound#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/call-bound.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/call-bound.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/call-bound.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=call-bound
+[codecov-image]: https://codecov.io/gh/ljharb/call-bound/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/call-bound/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bound
+[actions-url]: https://github.com/ljharb/call-bound/actions
diff --git a/node_modules/call-bound/index.d.ts b/node_modules/call-bound/index.d.ts
new file mode 100644
index 00000000..e3d772ce
--- /dev/null
+++ b/node_modules/call-bound/index.d.ts
@@ -0,0 +1,13 @@
+import callBind from 'call-bind-apply-helpers';
+
+declare function callBoundIntrinsic(
+    name: string,
+    allowMissing?: false
+): ReturnType<typeof callBind>;
+
+declare function callBoundIntrinsic(
+    name: string,
+    allowMissing: true
+): undefined | ReturnType<typeof callBind>;
+
+export = callBoundIntrinsic;
\ No newline at end of file
diff --git a/node_modules/call-bound/index.js b/node_modules/call-bound/index.js
new file mode 100644
index 00000000..3bb40121
--- /dev/null
+++ b/node_modules/call-bound/index.js
@@ -0,0 +1,18 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var callBindBasic = require('call-bind-apply-helpers');
+
+/** @type {(thisArg: string, searchString: string, position?: number) => number} */
+var $indexOf = callBindBasic([GetIntrinsic('%String.prototype.indexOf%')]);
+
+/** @type {import('.')} */
+module.exports = function callBoundIntrinsic(name, allowMissing) {
+	// eslint-disable-next-line no-extra-parens
+	var intrinsic = /** @type {Parameters<typeof callBindBasic>[0][0]} */ (GetIntrinsic(name, !!allowMissing));
+	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
+		return callBindBasic([intrinsic]);
+	}
+	return intrinsic;
+};
diff --git a/node_modules/call-bound/package.json b/node_modules/call-bound/package.json
new file mode 100644
index 00000000..2893ed11
--- /dev/null
+++ b/node_modules/call-bound/package.json
@@ -0,0 +1,99 @@
+{
+	"name": "call-bound",
+	"version": "1.0.3",
+	"description": "Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/call-bound.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"callbind",
+		"callbound",
+		"call",
+		"bind",
+		"bound",
+		"call-bind",
+		"call-bound",
+		"function",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/call-bound/issues"
+	},
+	"homepage": "https://github.com/ljharb/call-bound#readme",
+	"dependencies": {
+		"call-bind-apply-helpers": "^1.0.1",
+		"get-intrinsic": "^1.2.6"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/call-bind": "^1.0.5",
+		"@types/get-intrinsic": "^1.2.3",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"es-value-fixtures": "^1.5.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"gopd": "^1.2.0",
+		"has-strict-mode": "^1.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.3",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/call-bound/test/index.js b/node_modules/call-bound/test/index.js
new file mode 100644
index 00000000..36f5f0b9
--- /dev/null
+++ b/node_modules/call-bound/test/index.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var test = require('tape');
+
+var callBound = require('../');
+
+test('callBound', function (t) {
+	// static primitive
+	t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself');
+	t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself');
+
+	// static non-function object
+	t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself');
+	t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself');
+	t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself');
+	t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself');
+
+	// static function
+	t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself');
+	t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself');
+
+	// prototype primitive
+	t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself');
+	t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself');
+
+	// prototype function
+	t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself');
+	t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself');
+	t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original');
+	t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original');
+
+	t['throws'](
+		function () { callBound('does not exist'); },
+		SyntaxError,
+		'nonexistent intrinsic throws'
+	);
+	t['throws'](
+		function () { callBound('does not exist', true); },
+		SyntaxError,
+		'allowMissing arg still throws for unknown intrinsic'
+	);
+
+	t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) {
+		st['throws'](
+			function () { callBound('WeakRef'); },
+			TypeError,
+			'real but absent intrinsic throws'
+		);
+		st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception');
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/call-bound/tsconfig.json b/node_modules/call-bound/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/call-bound/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/chokidar/LICENSE b/node_modules/chokidar/LICENSE
new file mode 100644
index 00000000..fa9162b5
--- /dev/null
+++ b/node_modules/chokidar/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2012-2019 Paul Miller (https://paulmillr.com), Elan Shanker
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/chokidar/README.md b/node_modules/chokidar/README.md
new file mode 100644
index 00000000..8e25decb
--- /dev/null
+++ b/node_modules/chokidar/README.md
@@ -0,0 +1,308 @@
+# Chokidar [![Weekly downloads](https://img.shields.io/npm/dw/chokidar.svg)](https://github.com/paulmillr/chokidar) [![Yearly downloads](https://img.shields.io/npm/dy/chokidar.svg)](https://github.com/paulmillr/chokidar)
+
+> Minimal and efficient cross-platform file watching library
+
+[![NPM](https://nodei.co/npm/chokidar.png)](https://www.npmjs.com/package/chokidar)
+
+## Why?
+
+Node.js `fs.watch`:
+
+* Doesn't report filenames on MacOS.
+* Doesn't report events at all when using editors like Sublime on MacOS.
+* Often reports events twice.
+* Emits most changes as `rename`.
+* Does not provide an easy way to recursively watch file trees.
+* Does not support recursive watching on Linux.
+
+Node.js `fs.watchFile`:
+
+* Almost as bad at event handling.
+* Also does not provide any recursive watching.
+* Results in high CPU utilization.
+
+Chokidar resolves these problems.
+
+Initially made for **[Brunch](https://brunch.io/)** (an ultra-swift web app build tool), it is now used in
+[Microsoft's Visual Studio Code](https://github.com/microsoft/vscode),
+[gulp](https://github.com/gulpjs/gulp/),
+[karma](https://karma-runner.github.io/),
+[PM2](https://github.com/Unitech/PM2),
+[browserify](http://browserify.org/),
+[webpack](https://webpack.github.io/),
+[BrowserSync](https://www.browsersync.io/),
+and [many others](https://www.npmjs.com/browse/depended/chokidar).
+It has proven itself in production environments.
+
+Version 3 is out! Check out our blog post about it: [Chokidar 3: How to save 32TB of traffic every week](https://paulmillr.com/posts/chokidar-3-save-32tb-of-traffic/)
+
+## How?
+
+Chokidar does still rely on the Node.js core `fs` module, but when using
+`fs.watch` and `fs.watchFile` for watching, it normalizes the events it
+receives, often checking for truth by getting file stats and/or dir contents.
+
+On MacOS, chokidar by default uses a native extension exposing the Darwin
+`FSEvents` API. This provides very efficient recursive watching compared with
+implementations like `kqueue` available on most \*nix platforms. Chokidar still
+does have to do some work to normalize the events received that way as well.
+
+On most other platforms, the `fs.watch`-based implementation is the default, which
+avoids polling and keeps CPU usage down. Be advised that chokidar will initiate
+watchers recursively for everything within scope of the paths that have been
+specified, so be judicious about not wasting system resources by watching much
+more than needed.
+
+## Getting started
+
+Install with npm:
+
+```sh
+npm install chokidar
+```
+
+Then `require` and use it in your code:
+
+```javascript
+const chokidar = require('chokidar');
+
+// One-liner for current directory
+chokidar.watch('.').on('all', (event, path) => {
+  console.log(event, path);
+});
+```
+
+## API
+
+```javascript
+// Example of a more typical implementation structure
+
+// Initialize watcher.
+const watcher = chokidar.watch('file, dir, glob, or array', {
+  ignored: /(^|[\/\\])\../, // ignore dotfiles
+  persistent: true
+});
+
+// Something to use when events are received.
+const log = console.log.bind(console);
+// Add event listeners.
+watcher
+  .on('add', path => log(`File ${path} has been added`))
+  .on('change', path => log(`File ${path} has been changed`))
+  .on('unlink', path => log(`File ${path} has been removed`));
+
+// More possible events.
+watcher
+  .on('addDir', path => log(`Directory ${path} has been added`))
+  .on('unlinkDir', path => log(`Directory ${path} has been removed`))
+  .on('error', error => log(`Watcher error: ${error}`))
+  .on('ready', () => log('Initial scan complete. Ready for changes'))
+  .on('raw', (event, path, details) => { // internal
+    log('Raw event info:', event, path, details);
+  });
+
+// 'add', 'addDir' and 'change' events also receive stat() results as second
+// argument when available: https://nodejs.org/api/fs.html#fs_class_fs_stats
+watcher.on('change', (path, stats) => {
+  if (stats) console.log(`File ${path} changed size to ${stats.size}`);
+});
+
+// Watch new files.
+watcher.add('new-file');
+watcher.add(['new-file-2', 'new-file-3', '**/other-file*']);
+
+// Get list of actual paths being watched on the filesystem
+var watchedPaths = watcher.getWatched();
+
+// Un-watch some files.
+await watcher.unwatch('new-file*');
+
+// Stop watching.
+// The method is async!
+watcher.close().then(() => console.log('closed'));
+
+// Full list of options. See below for descriptions.
+// Do not use this example!
+chokidar.watch('file', {
+  persistent: true,
+
+  ignored: '*.txt',
+  ignoreInitial: false,
+  followSymlinks: true,
+  cwd: '.',
+  disableGlobbing: false,
+
+  usePolling: false,
+  interval: 100,
+  binaryInterval: 300,
+  alwaysStat: false,
+  depth: 99,
+  awaitWriteFinish: {
+    stabilityThreshold: 2000,
+    pollInterval: 100
+  },
+
+  ignorePermissionErrors: false,
+  atomic: true // or a custom 'atomicity delay', in milliseconds (default 100)
+});
+
+```
+
+`chokidar.watch(paths, [options])`
+
+* `paths` (string or array of strings). Paths to files, dirs to be watched
+recursively, or glob patterns.
+    - Note: globs must not contain windows separators (`\`),
+    because that's how they work by the standard —
+    you'll need to replace them with forward slashes (`/`).
+    - Note 2: for additional glob documentation, check out low-level
+    library: [picomatch](https://github.com/micromatch/picomatch).
+* `options` (object) Options object as defined below:
+
+#### Persistence
+
+* `persistent` (default: `true`). Indicates whether the process
+should continue to run as long as files are being watched. If set to
+`false` when using `fsevents` to watch, no more events will be emitted
+after `ready`, even if the process continues to run.
+
+#### Path filtering
+
+* `ignored` ([anymatch](https://github.com/es128/anymatch)-compatible definition)
+Defines files/paths to be ignored. The whole relative or absolute path is
+tested, not just filename. If a function with two arguments is provided, it
+gets called twice per path - once with a single argument (the path), second
+time with two arguments (the path and the
+[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
+object of that path).
+* `ignoreInitial` (default: `false`). If set to `false` then `add`/`addDir` events are also emitted for matching paths while
+instantiating the watching as chokidar discovers these file paths (before the `ready` event).
+* `followSymlinks` (default: `true`). When `false`, only the
+symlinks themselves will be watched for changes instead of following
+the link references and bubbling events through the link's path.
+* `cwd` (no default). The base directory from which watch `paths` are to be
+derived. Paths emitted with events will be relative to this.
+* `disableGlobbing` (default: `false`). If set to `true` then the strings passed to `.watch()` and `.add()` are treated as
+literal path names, even if they look like globs.
+
+#### Performance
+
+* `usePolling` (default: `false`).
+Whether to use fs.watchFile (backed by polling), or fs.watch. If polling
+leads to high CPU utilization, consider setting this to `false`. It is
+typically necessary to **set this to `true` to successfully watch files over
+a network**, and it may be necessary to successfully watch files in other
+non-standard situations. Setting to `true` explicitly on MacOS overrides the
+`useFsEvents` default. You may also set the CHOKIDAR_USEPOLLING env variable
+to true (1) or false (0) in order to override this option.
+* _Polling-specific settings_ (effective when `usePolling: true`)
+  * `interval` (default: `100`). Interval of file system polling, in milliseconds. You may also
+    set the CHOKIDAR_INTERVAL env variable to override this option.
+  * `binaryInterval` (default: `300`). Interval of file system
+  polling for binary files.
+  ([see list of binary extensions](https://github.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
+* `useFsEvents` (default: `true` on MacOS). Whether to use the
+`fsevents` watching interface if available. When set to `true` explicitly
+and `fsevents` is available this supercedes the `usePolling` setting. When
+set to `false` on MacOS, `usePolling: true` becomes the default.
+* `alwaysStat` (default: `false`). If relying upon the
+[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
+object that may get passed with `add`, `addDir`, and `change` events, set
+this to `true` to ensure it is provided even in cases where it wasn't
+already available from the underlying watch events.
+* `depth` (default: `undefined`). If set, limits how many levels of
+subdirectories will be traversed.
+* `awaitWriteFinish` (default: `false`).
+By default, the `add` event will fire when a file first appears on disk, before
+the entire file has been written. Furthermore, in some cases some `change`
+events will be emitted while the file is being written. In some cases,
+especially when watching for large files there will be a need to wait for the
+write operation to finish before responding to a file creation or modification.
+Setting `awaitWriteFinish` to `true` (or a truthy value) will poll file size,
+holding its `add` and `change` events until the size does not change for a
+configurable amount of time. The appropriate duration setting is heavily
+dependent on the OS and hardware. For accurate detection this parameter should
+be relatively high, making file watching much less responsive.
+Use with caution.
+  * *`options.awaitWriteFinish` can be set to an object in order to adjust
+  timing params:*
+  * `awaitWriteFinish.stabilityThreshold` (default: 2000). Amount of time in
+  milliseconds for a file size to remain constant before emitting its event.
+  * `awaitWriteFinish.pollInterval` (default: 100). File size polling interval, in milliseconds.
+
+#### Errors
+
+* `ignorePermissionErrors` (default: `false`). Indicates whether to watch files
+that don't have read permissions if possible. If watching fails due to `EPERM`
+or `EACCES` with this set to `true`, the errors will be suppressed silently.
+* `atomic` (default: `true` if `useFsEvents` and `usePolling` are `false`).
+Automatically filters out artifacts that occur when using editors that use
+"atomic writes" instead of writing directly to the source file. If a file is
+re-added within 100 ms of being deleted, Chokidar emits a `change` event
+rather than `unlink` then `add`. If the default of 100 ms does not work well
+for you, you can override it by setting `atomic` to a custom value, in
+milliseconds.
+
+### Methods & Events
+
+`chokidar.watch()` produces an instance of `FSWatcher`. Methods of `FSWatcher`:
+
+* `.add(path / paths)`: Add files, directories, or glob patterns for tracking.
+Takes an array of strings or just one string.
+* `.on(event, callback)`: Listen for an FS event.
+Available events: `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `ready`,
+`raw`, `error`.
+Additionally `all` is available which gets emitted with the underlying event
+name and path for every event other than `ready`, `raw`, and `error`.  `raw` is internal, use it carefully.
+* `.unwatch(path / paths)`: Stop watching files, directories, or glob patterns.
+Takes an array of strings or just one string.
+* `.close()`: **async** Removes all listeners from watched files. Asynchronous, returns Promise. Use with `await` to ensure bugs don't happen.
+* `.getWatched()`: Returns an object representing all the paths on the file
+system being watched by this `FSWatcher` instance. The object's keys are all the
+directories (using absolute paths unless the `cwd` option was used), and the
+values are arrays of the names of the items contained in each directory.
+
+## CLI
+
+If you need a CLI interface for your file watching, check out
+[chokidar-cli](https://github.com/open-cli-tools/chokidar-cli), allowing you to
+execute a command on each change, or get a stdio stream of change events.
+
+## Install Troubleshooting
+
+* `npm WARN optional dep failed, continuing fsevents@n.n.n`
+  * This message is normal part of how `npm` handles optional dependencies and is
+    not indicative of a problem. Even if accompanied by other related error messages,
+    Chokidar should function properly.
+
+* `TypeError: fsevents is not a constructor`
+  * Update chokidar by doing `rm -rf node_modules package-lock.json yarn.lock && npm install`, or update your dependency that uses chokidar.
+
+* Chokidar is producing `ENOSP` error on Linux, like this:
+  * `bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell`
+  `Error: watch /home/ ENOSPC`
+  * This means Chokidar ran out of file handles and you'll need to increase their count by executing the following command in Terminal:
+  `echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p`
+
+## Changelog
+
+For more detailed changelog, see [`full_changelog.md`](.github/full_changelog.md).
+- **v3.5 (Jan 6, 2021):** Support for ARM Macs with Apple Silicon. Fixes for deleted symlinks.
+- **v3.4 (Apr 26, 2020):** Support for directory-based symlinks. Fixes for macos file replacement.
+- **v3.3 (Nov 2, 2019):** `FSWatcher#close()` method became async. That fixes IO race conditions related to close method.
+- **v3.2 (Oct 1, 2019):** Improve Linux RAM usage by 50%. Race condition fixes. Windows glob fixes. Improve stability by using tight range of dependency versions.
+- **v3.1 (Sep 16, 2019):** dotfiles are no longer filtered out by default. Use `ignored` option if needed. Improve initial Linux scan time by 50%.
+- **v3 (Apr 30, 2019):** massive CPU & RAM consumption improvements; reduces deps / package size by a factor of 17x and bumps Node.js requirement to v8.16 and higher.
+- **v2 (Dec 29, 2017):** Globs are now posix-style-only; without windows support. Tons of bugfixes.
+- **v1 (Apr 7, 2015):** Glob support, symlink support, tons of bugfixes. Node 0.8+ is supported
+- **v0.1 (Apr 20, 2012):** Initial release, extracted from [Brunch](https://github.com/brunch/brunch/blob/9847a065aea300da99bd0753f90354cde9de1261/src/helpers.coffee#L66)
+
+## Also
+
+Why was chokidar named this way? What's the meaning behind it?
+
+>Chowkidar is a transliteration of a Hindi word meaning 'watchman, gatekeeper', चौकीदार. This ultimately comes from Sanskrit _ चतुष्क_ (crossway, quadrangle, consisting-of-four). This word is also used in other languages like Urdu as (چوکیدار) which is widely used in Pakistan and India. 
+
+## License
+
+MIT (c) Paul Miller (<https://paulmillr.com>), see [LICENSE](LICENSE) file.
diff --git a/node_modules/chokidar/index.js b/node_modules/chokidar/index.js
new file mode 100644
index 00000000..8752893c
--- /dev/null
+++ b/node_modules/chokidar/index.js
@@ -0,0 +1,973 @@
+'use strict';
+
+const { EventEmitter } = require('events');
+const fs = require('fs');
+const sysPath = require('path');
+const { promisify } = require('util');
+const readdirp = require('readdirp');
+const anymatch = require('anymatch').default;
+const globParent = require('glob-parent');
+const isGlob = require('is-glob');
+const braces = require('braces');
+const normalizePath = require('normalize-path');
+
+const NodeFsHandler = require('./lib/nodefs-handler');
+const FsEventsHandler = require('./lib/fsevents-handler');
+const {
+  EV_ALL,
+  EV_READY,
+  EV_ADD,
+  EV_CHANGE,
+  EV_UNLINK,
+  EV_ADD_DIR,
+  EV_UNLINK_DIR,
+  EV_RAW,
+  EV_ERROR,
+
+  STR_CLOSE,
+  STR_END,
+
+  BACK_SLASH_RE,
+  DOUBLE_SLASH_RE,
+  SLASH_OR_BACK_SLASH_RE,
+  DOT_RE,
+  REPLACER_RE,
+
+  SLASH,
+  SLASH_SLASH,
+  BRACE_START,
+  BANG,
+  ONE_DOT,
+  TWO_DOTS,
+  GLOBSTAR,
+  SLASH_GLOBSTAR,
+  ANYMATCH_OPTS,
+  STRING_TYPE,
+  FUNCTION_TYPE,
+  EMPTY_STR,
+  EMPTY_FN,
+
+  isWindows,
+  isMacos,
+  isIBMi
+} = require('./lib/constants');
+
+const stat = promisify(fs.stat);
+const readdir = promisify(fs.readdir);
+
+/**
+ * @typedef {String} Path
+ * @typedef {'all'|'add'|'addDir'|'change'|'unlink'|'unlinkDir'|'raw'|'error'|'ready'} EventName
+ * @typedef {'readdir'|'watch'|'add'|'remove'|'change'} ThrottleType
+ */
+
+/**
+ *
+ * @typedef {Object} WatchHelpers
+ * @property {Boolean} followSymlinks
+ * @property {'stat'|'lstat'} statMethod
+ * @property {Path} path
+ * @property {Path} watchPath
+ * @property {Function} entryPath
+ * @property {Boolean} hasGlob
+ * @property {Object} globFilter
+ * @property {Function} filterPath
+ * @property {Function} filterDir
+ */
+
+const arrify = (value = []) => Array.isArray(value) ? value : [value];
+const flatten = (list, result = []) => {
+  list.forEach(item => {
+    if (Array.isArray(item)) {
+      flatten(item, result);
+    } else {
+      result.push(item);
+    }
+  });
+  return result;
+};
+
+const unifyPaths = (paths_) => {
+  /**
+   * @type {Array<String>}
+   */
+  const paths = flatten(arrify(paths_));
+  if (!paths.every(p => typeof p === STRING_TYPE)) {
+    throw new TypeError(`Non-string provided as watch path: ${paths}`);
+  }
+  return paths.map(normalizePathToUnix);
+};
+
+// If SLASH_SLASH occurs at the beginning of path, it is not replaced
+//     because "//StoragePC/DrivePool/Movies" is a valid network path
+const toUnix = (string) => {
+  let str = string.replace(BACK_SLASH_RE, SLASH);
+  let prepend = false;
+  if (str.startsWith(SLASH_SLASH)) {
+    prepend = true;
+  }
+  while (str.match(DOUBLE_SLASH_RE)) {
+    str = str.replace(DOUBLE_SLASH_RE, SLASH);
+  }
+  if (prepend) {
+    str = SLASH + str;
+  }
+  return str;
+};
+
+// Our version of upath.normalize
+// TODO: this is not equal to path-normalize module - investigate why
+const normalizePathToUnix = (path) => toUnix(sysPath.normalize(toUnix(path)));
+
+const normalizeIgnored = (cwd = EMPTY_STR) => (path) => {
+  if (typeof path !== STRING_TYPE) return path;
+  return normalizePathToUnix(sysPath.isAbsolute(path) ? path : sysPath.join(cwd, path));
+};
+
+const getAbsolutePath = (path, cwd) => {
+  if (sysPath.isAbsolute(path)) {
+    return path;
+  }
+  if (path.startsWith(BANG)) {
+    return BANG + sysPath.join(cwd, path.slice(1));
+  }
+  return sysPath.join(cwd, path);
+};
+
+const undef = (opts, key) => opts[key] === undefined;
+
+/**
+ * Directory entry.
+ * @property {Path} path
+ * @property {Set<Path>} items
+ */
+class DirEntry {
+  /**
+   * @param {Path} dir
+   * @param {Function} removeWatcher
+   */
+  constructor(dir, removeWatcher) {
+    this.path = dir;
+    this._removeWatcher = removeWatcher;
+    /** @type {Set<Path>} */
+    this.items = new Set();
+  }
+
+  add(item) {
+    const {items} = this;
+    if (!items) return;
+    if (item !== ONE_DOT && item !== TWO_DOTS) items.add(item);
+  }
+
+  async remove(item) {
+    const {items} = this;
+    if (!items) return;
+    items.delete(item);
+    if (items.size > 0) return;
+
+    const dir = this.path;
+    try {
+      await readdir(dir);
+    } catch (err) {
+      if (this._removeWatcher) {
+        this._removeWatcher(sysPath.dirname(dir), sysPath.basename(dir));
+      }
+    }
+  }
+
+  has(item) {
+    const {items} = this;
+    if (!items) return;
+    return items.has(item);
+  }
+
+  /**
+   * @returns {Array<String>}
+   */
+  getChildren() {
+    const {items} = this;
+    if (!items) return;
+    return [...items.values()];
+  }
+
+  dispose() {
+    this.items.clear();
+    delete this.path;
+    delete this._removeWatcher;
+    delete this.items;
+    Object.freeze(this);
+  }
+}
+
+const STAT_METHOD_F = 'stat';
+const STAT_METHOD_L = 'lstat';
+class WatchHelper {
+  constructor(path, watchPath, follow, fsw) {
+    this.fsw = fsw;
+    this.path = path = path.replace(REPLACER_RE, EMPTY_STR);
+    this.watchPath = watchPath;
+    this.fullWatchPath = sysPath.resolve(watchPath);
+    this.hasGlob = watchPath !== path;
+    /** @type {object|boolean} */
+    if (path === EMPTY_STR) this.hasGlob = false;
+    this.globSymlink = this.hasGlob && follow ? undefined : false;
+    this.globFilter = this.hasGlob ? anymatch(path, undefined, ANYMATCH_OPTS) : false;
+    this.dirParts = this.getDirParts(path);
+    this.dirParts.forEach((parts) => {
+      if (parts.length > 1) parts.pop();
+    });
+    this.followSymlinks = follow;
+    this.statMethod = follow ? STAT_METHOD_F : STAT_METHOD_L;
+  }
+
+  checkGlobSymlink(entry) {
+    // only need to resolve once
+    // first entry should always have entry.parentDir === EMPTY_STR
+    if (this.globSymlink === undefined) {
+      this.globSymlink = entry.fullParentDir === this.fullWatchPath ?
+        false : {realPath: entry.fullParentDir, linkPath: this.fullWatchPath};
+    }
+
+    if (this.globSymlink) {
+      return entry.fullPath.replace(this.globSymlink.realPath, this.globSymlink.linkPath);
+    }
+
+    return entry.fullPath;
+  }
+
+  entryPath(entry) {
+    return sysPath.join(this.watchPath,
+      sysPath.relative(this.watchPath, this.checkGlobSymlink(entry))
+    );
+  }
+
+  filterPath(entry) {
+    const {stats} = entry;
+    if (stats && stats.isSymbolicLink()) return this.filterDir(entry);
+    const resolvedPath = this.entryPath(entry);
+    const matchesGlob = this.hasGlob && typeof this.globFilter === FUNCTION_TYPE ?
+      this.globFilter(resolvedPath) : true;
+    return matchesGlob &&
+      this.fsw._isntIgnored(resolvedPath, stats) &&
+      this.fsw._hasReadPermissions(stats);
+  }
+
+  getDirParts(path) {
+    if (!this.hasGlob) return [];
+    const parts = [];
+    const expandedPath = path.includes(BRACE_START) ? braces.expand(path) : [path];
+    expandedPath.forEach((path) => {
+      parts.push(sysPath.relative(this.watchPath, path).split(SLASH_OR_BACK_SLASH_RE));
+    });
+    return parts;
+  }
+
+  filterDir(entry) {
+    if (this.hasGlob) {
+      const entryParts = this.getDirParts(this.checkGlobSymlink(entry));
+      let globstar = false;
+      this.unmatchedGlob = !this.dirParts.some((parts) => {
+        return parts.every((part, i) => {
+          if (part === GLOBSTAR) globstar = true;
+          return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i], ANYMATCH_OPTS);
+        });
+      });
+    }
+    return !this.unmatchedGlob && this.fsw._isntIgnored(this.entryPath(entry), entry.stats);
+  }
+}
+
+/**
+ * Watches files & directories for changes. Emitted events:
+ * `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error`
+ *
+ *     new FSWatcher()
+ *       .add(directories)
+ *       .on('add', path => log('File', path, 'was added'))
+ */
+class FSWatcher extends EventEmitter {
+// Not indenting methods for history sake; for now.
+constructor(_opts) {
+  super();
+
+  const opts = {};
+  if (_opts) Object.assign(opts, _opts); // for frozen objects
+
+  /** @type {Map<String, DirEntry>} */
+  this._watched = new Map();
+  /** @type {Map<String, Array>} */
+  this._closers = new Map();
+  /** @type {Set<String>} */
+  this._ignoredPaths = new Set();
+
+  /** @type {Map<ThrottleType, Map>} */
+  this._throttled = new Map();
+
+  /** @type {Map<Path, String|Boolean>} */
+  this._symlinkPaths = new Map();
+
+  this._streams = new Set();
+  this.closed = false;
+
+  // Set up default options.
+  if (undef(opts, 'persistent')) opts.persistent = true;
+  if (undef(opts, 'ignoreInitial')) opts.ignoreInitial = false;
+  if (undef(opts, 'ignorePermissionErrors')) opts.ignorePermissionErrors = false;
+  if (undef(opts, 'interval')) opts.interval = 100;
+  if (undef(opts, 'binaryInterval')) opts.binaryInterval = 300;
+  if (undef(opts, 'disableGlobbing')) opts.disableGlobbing = false;
+  opts.enableBinaryInterval = opts.binaryInterval !== opts.interval;
+
+  // Enable fsevents on OS X when polling isn't explicitly enabled.
+  if (undef(opts, 'useFsEvents')) opts.useFsEvents = !opts.usePolling;
+
+  // If we can't use fsevents, ensure the options reflect it's disabled.
+  const canUseFsEvents = FsEventsHandler.canUse();
+  if (!canUseFsEvents) opts.useFsEvents = false;
+
+  // Use polling on Mac if not using fsevents.
+  // Other platforms use non-polling fs_watch.
+  if (undef(opts, 'usePolling') && !opts.useFsEvents) {
+    opts.usePolling = isMacos;
+  }
+
+  // Always default to polling on IBM i because fs.watch() is not available on IBM i.
+  if(isIBMi) {
+    opts.usePolling = true;
+  }
+
+  // Global override (useful for end-developers that need to force polling for all
+  // instances of chokidar, regardless of usage/dependency depth)
+  const envPoll = process.env.CHOKIDAR_USEPOLLING;
+  if (envPoll !== undefined) {
+    const envLower = envPoll.toLowerCase();
+
+    if (envLower === 'false' || envLower === '0') {
+      opts.usePolling = false;
+    } else if (envLower === 'true' || envLower === '1') {
+      opts.usePolling = true;
+    } else {
+      opts.usePolling = !!envLower;
+    }
+  }
+  const envInterval = process.env.CHOKIDAR_INTERVAL;
+  if (envInterval) {
+    opts.interval = Number.parseInt(envInterval, 10);
+  }
+
+  // Editor atomic write normalization enabled by default with fs.watch
+  if (undef(opts, 'atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents;
+  if (opts.atomic) this._pendingUnlinks = new Map();
+
+  if (undef(opts, 'followSymlinks')) opts.followSymlinks = true;
+
+  if (undef(opts, 'awaitWriteFinish')) opts.awaitWriteFinish = false;
+  if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {};
+  const awf = opts.awaitWriteFinish;
+  if (awf) {
+    if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000;
+    if (!awf.pollInterval) awf.pollInterval = 100;
+    this._pendingWrites = new Map();
+  }
+  if (opts.ignored) opts.ignored = arrify(opts.ignored);
+
+  let readyCalls = 0;
+  this._emitReady = () => {
+    readyCalls++;
+    if (readyCalls >= this._readyCount) {
+      this._emitReady = EMPTY_FN;
+      this._readyEmitted = true;
+      // use process.nextTick to allow time for listener to be bound
+      process.nextTick(() => this.emit(EV_READY));
+    }
+  };
+  this._emitRaw = (...args) => this.emit(EV_RAW, ...args);
+  this._readyEmitted = false;
+  this.options = opts;
+
+  // Initialize with proper watcher.
+  if (opts.useFsEvents) {
+    this._fsEventsHandler = new FsEventsHandler(this);
+  } else {
+    this._nodeFsHandler = new NodeFsHandler(this);
+  }
+
+  // You’re frozen when your heart’s not open.
+  Object.freeze(opts);
+}
+
+// Public methods
+
+/**
+ * Adds paths to be watched on an existing FSWatcher instance
+ * @param {Path|Array<Path>} paths_
+ * @param {String=} _origAdd private; for handling non-existent paths to be watched
+ * @param {Boolean=} _internal private; indicates a non-user add
+ * @returns {FSWatcher} for chaining
+ */
+add(paths_, _origAdd, _internal) {
+  const {cwd, disableGlobbing} = this.options;
+  this.closed = false;
+  let paths = unifyPaths(paths_);
+  if (cwd) {
+    paths = paths.map((path) => {
+      const absPath = getAbsolutePath(path, cwd);
+
+      // Check `path` instead of `absPath` because the cwd portion can't be a glob
+      if (disableGlobbing || !isGlob(path)) {
+        return absPath;
+      }
+      return normalizePath(absPath);
+    });
+  }
+
+  // set aside negated glob strings
+  paths = paths.filter((path) => {
+    if (path.startsWith(BANG)) {
+      this._ignoredPaths.add(path.slice(1));
+      return false;
+    }
+
+    // if a path is being added that was previously ignored, stop ignoring it
+    this._ignoredPaths.delete(path);
+    this._ignoredPaths.delete(path + SLASH_GLOBSTAR);
+
+    // reset the cached userIgnored anymatch fn
+    // to make ignoredPaths changes effective
+    this._userIgnored = undefined;
+
+    return true;
+  });
+
+  if (this.options.useFsEvents && this._fsEventsHandler) {
+    if (!this._readyCount) this._readyCount = paths.length;
+    if (this.options.persistent) this._readyCount += paths.length;
+    paths.forEach((path) => this._fsEventsHandler._addToFsEvents(path));
+  } else {
+    if (!this._readyCount) this._readyCount = 0;
+    this._readyCount += paths.length;
+    Promise.all(
+      paths.map(async path => {
+        const res = await this._nodeFsHandler._addToNodeFs(path, !_internal, 0, 0, _origAdd);
+        if (res) this._emitReady();
+        return res;
+      })
+    ).then(results => {
+      if (this.closed) return;
+      results.filter(item => item).forEach(item => {
+        this.add(sysPath.dirname(item), sysPath.basename(_origAdd || item));
+      });
+    });
+  }
+
+  return this;
+}
+
+/**
+ * Close watchers or start ignoring events from specified paths.
+ * @param {Path|Array<Path>} paths_ - string or array of strings, file/directory paths and/or globs
+ * @returns {FSWatcher} for chaining
+*/
+unwatch(paths_) {
+  if (this.closed) return this;
+  const paths = unifyPaths(paths_);
+  const {cwd} = this.options;
+
+  paths.forEach((path) => {
+    // convert to absolute path unless relative path already matches
+    if (!sysPath.isAbsolute(path) && !this._closers.has(path)) {
+      if (cwd) path = sysPath.join(cwd, path);
+      path = sysPath.resolve(path);
+    }
+
+    this._closePath(path);
+
+    this._ignoredPaths.add(path);
+    if (this._watched.has(path)) {
+      this._ignoredPaths.add(path + SLASH_GLOBSTAR);
+    }
+
+    // reset the cached userIgnored anymatch fn
+    // to make ignoredPaths changes effective
+    this._userIgnored = undefined;
+  });
+
+  return this;
+}
+
+/**
+ * Close watchers and remove all listeners from watched paths.
+ * @returns {Promise<void>}.
+*/
+close() {
+  if (this.closed) return this._closePromise;
+  this.closed = true;
+
+  // Memory management.
+  this.removeAllListeners();
+  const closers = [];
+  this._closers.forEach(closerList => closerList.forEach(closer => {
+    const promise = closer();
+    if (promise instanceof Promise) closers.push(promise);
+  }));
+  this._streams.forEach(stream => stream.destroy());
+  this._userIgnored = undefined;
+  this._readyCount = 0;
+  this._readyEmitted = false;
+  this._watched.forEach(dirent => dirent.dispose());
+  ['closers', 'watched', 'streams', 'symlinkPaths', 'throttled'].forEach(key => {
+    this[`_${key}`].clear();
+  });
+
+  this._closePromise = closers.length ? Promise.all(closers).then(() => undefined) : Promise.resolve();
+  return this._closePromise;
+}
+
+/**
+ * Expose list of watched paths
+ * @returns {Object} for chaining
+*/
+getWatched() {
+  const watchList = {};
+  this._watched.forEach((entry, dir) => {
+    const key = this.options.cwd ? sysPath.relative(this.options.cwd, dir) : dir;
+    watchList[key || ONE_DOT] = entry.getChildren().sort();
+  });
+  return watchList;
+}
+
+emitWithAll(event, args) {
+  this.emit(...args);
+  if (event !== EV_ERROR) this.emit(EV_ALL, ...args);
+}
+
+// Common helpers
+// --------------
+
+/**
+ * Normalize and emit events.
+ * Calling _emit DOES NOT MEAN emit() would be called!
+ * @param {EventName} event Type of event
+ * @param {Path} path File or directory path
+ * @param {*=} val1 arguments to be passed with event
+ * @param {*=} val2
+ * @param {*=} val3
+ * @returns the error if defined, otherwise the value of the FSWatcher instance's `closed` flag
+ */
+async _emit(event, path, val1, val2, val3) {
+  if (this.closed) return;
+
+  const opts = this.options;
+  if (isWindows) path = sysPath.normalize(path);
+  if (opts.cwd) path = sysPath.relative(opts.cwd, path);
+  /** @type Array<any> */
+  const args = [event, path];
+  if (val3 !== undefined) args.push(val1, val2, val3);
+  else if (val2 !== undefined) args.push(val1, val2);
+  else if (val1 !== undefined) args.push(val1);
+
+  const awf = opts.awaitWriteFinish;
+  let pw;
+  if (awf && (pw = this._pendingWrites.get(path))) {
+    pw.lastChange = new Date();
+    return this;
+  }
+
+  if (opts.atomic) {
+    if (event === EV_UNLINK) {
+      this._pendingUnlinks.set(path, args);
+      setTimeout(() => {
+        this._pendingUnlinks.forEach((entry, path) => {
+          this.emit(...entry);
+          this.emit(EV_ALL, ...entry);
+          this._pendingUnlinks.delete(path);
+        });
+      }, typeof opts.atomic === 'number' ? opts.atomic : 100);
+      return this;
+    }
+    if (event === EV_ADD && this._pendingUnlinks.has(path)) {
+      event = args[0] = EV_CHANGE;
+      this._pendingUnlinks.delete(path);
+    }
+  }
+
+  if (awf && (event === EV_ADD || event === EV_CHANGE) && this._readyEmitted) {
+    const awfEmit = (err, stats) => {
+      if (err) {
+        event = args[0] = EV_ERROR;
+        args[1] = err;
+        this.emitWithAll(event, args);
+      } else if (stats) {
+        // if stats doesn't exist the file must have been deleted
+        if (args.length > 2) {
+          args[2] = stats;
+        } else {
+          args.push(stats);
+        }
+        this.emitWithAll(event, args);
+      }
+    };
+
+    this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit);
+    return this;
+  }
+
+  if (event === EV_CHANGE) {
+    const isThrottled = !this._throttle(EV_CHANGE, path, 50);
+    if (isThrottled) return this;
+  }
+
+  if (opts.alwaysStat && val1 === undefined &&
+    (event === EV_ADD || event === EV_ADD_DIR || event === EV_CHANGE)
+  ) {
+    const fullPath = opts.cwd ? sysPath.join(opts.cwd, path) : path;
+    let stats;
+    try {
+      stats = await stat(fullPath);
+    } catch (err) {}
+    // Suppress event when fs_stat fails, to avoid sending undefined 'stat'
+    if (!stats || this.closed) return;
+    args.push(stats);
+  }
+  this.emitWithAll(event, args);
+
+  return this;
+}
+
+/**
+ * Common handler for errors
+ * @param {Error} error
+ * @returns {Error|Boolean} The error if defined, otherwise the value of the FSWatcher instance's `closed` flag
+ */
+_handleError(error) {
+  const code = error && error.code;
+  if (error && code !== 'ENOENT' && code !== 'ENOTDIR' &&
+    (!this.options.ignorePermissionErrors || (code !== 'EPERM' && code !== 'EACCES'))
+  ) {
+    this.emit(EV_ERROR, error);
+  }
+  return error || this.closed;
+}
+
+/**
+ * Helper utility for throttling
+ * @param {ThrottleType} actionType type being throttled
+ * @param {Path} path being acted upon
+ * @param {Number} timeout duration of time to suppress duplicate actions
+ * @returns {Object|false} tracking object or false if action should be suppressed
+ */
+_throttle(actionType, path, timeout) {
+  if (!this._throttled.has(actionType)) {
+    this._throttled.set(actionType, new Map());
+  }
+
+  /** @type {Map<Path, Object>} */
+  const action = this._throttled.get(actionType);
+  /** @type {Object} */
+  const actionPath = action.get(path);
+
+  if (actionPath) {
+    actionPath.count++;
+    return false;
+  }
+
+  let timeoutObject;
+  const clear = () => {
+    const item = action.get(path);
+    const count = item ? item.count : 0;
+    action.delete(path);
+    clearTimeout(timeoutObject);
+    if (item) clearTimeout(item.timeoutObject);
+    return count;
+  };
+  timeoutObject = setTimeout(clear, timeout);
+  const thr = {timeoutObject, clear, count: 0};
+  action.set(path, thr);
+  return thr;
+}
+
+_incrReadyCount() {
+  return this._readyCount++;
+}
+
+/**
+ * Awaits write operation to finish.
+ * Polls a newly created file for size variations. When files size does not change for 'threshold' milliseconds calls callback.
+ * @param {Path} path being acted upon
+ * @param {Number} threshold Time in milliseconds a file size must be fixed before acknowledging write OP is finished
+ * @param {EventName} event
+ * @param {Function} awfEmit Callback to be called when ready for event to be emitted.
+ */
+_awaitWriteFinish(path, threshold, event, awfEmit) {
+  let timeoutHandler;
+
+  let fullPath = path;
+  if (this.options.cwd && !sysPath.isAbsolute(path)) {
+    fullPath = sysPath.join(this.options.cwd, path);
+  }
+
+  const now = new Date();
+
+  const awaitWriteFinish = (prevStat) => {
+    fs.stat(fullPath, (err, curStat) => {
+      if (err || !this._pendingWrites.has(path)) {
+        if (err && err.code !== 'ENOENT') awfEmit(err);
+        return;
+      }
+
+      const now = Number(new Date());
+
+      if (prevStat && curStat.size !== prevStat.size) {
+        this._pendingWrites.get(path).lastChange = now;
+      }
+      const pw = this._pendingWrites.get(path);
+      const df = now - pw.lastChange;
+
+      if (df >= threshold) {
+        this._pendingWrites.delete(path);
+        awfEmit(undefined, curStat);
+      } else {
+        timeoutHandler = setTimeout(
+          awaitWriteFinish,
+          this.options.awaitWriteFinish.pollInterval,
+          curStat
+        );
+      }
+    });
+  };
+
+  if (!this._pendingWrites.has(path)) {
+    this._pendingWrites.set(path, {
+      lastChange: now,
+      cancelWait: () => {
+        this._pendingWrites.delete(path);
+        clearTimeout(timeoutHandler);
+        return event;
+      }
+    });
+    timeoutHandler = setTimeout(
+      awaitWriteFinish,
+      this.options.awaitWriteFinish.pollInterval
+    );
+  }
+}
+
+_getGlobIgnored() {
+  return [...this._ignoredPaths.values()];
+}
+
+/**
+ * Determines whether user has asked to ignore this path.
+ * @param {Path} path filepath or dir
+ * @param {fs.Stats=} stats result of fs.stat
+ * @returns {Boolean}
+ */
+_isIgnored(path, stats) {
+  if (this.options.atomic && DOT_RE.test(path)) return true;
+  if (!this._userIgnored) {
+    const {cwd} = this.options;
+    const ign = this.options.ignored;
+
+    const ignored = ign && ign.map(normalizeIgnored(cwd));
+    const paths = arrify(ignored)
+      .filter((path) => typeof path === STRING_TYPE && !isGlob(path))
+      .map((path) => path + SLASH_GLOBSTAR);
+    const list = this._getGlobIgnored().map(normalizeIgnored(cwd)).concat(ignored, paths);
+    this._userIgnored = anymatch(list, undefined, ANYMATCH_OPTS);
+  }
+
+  return this._userIgnored([path, stats]);
+}
+
+_isntIgnored(path, stat) {
+  return !this._isIgnored(path, stat);
+}
+
+/**
+ * Provides a set of common helpers and properties relating to symlink and glob handling.
+ * @param {Path} path file, directory, or glob pattern being watched
+ * @param {Number=} depth at any depth > 0, this isn't a glob
+ * @returns {WatchHelper} object containing helpers for this path
+ */
+_getWatchHelpers(path, depth) {
+  const watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path);
+  const follow = this.options.followSymlinks;
+
+  return new WatchHelper(path, watchPath, follow, this);
+}
+
+// Directory helpers
+// -----------------
+
+/**
+ * Provides directory tracking objects
+ * @param {String} directory path of the directory
+ * @returns {DirEntry} the directory's tracking object
+ */
+_getWatchedDir(directory) {
+  if (!this._boundRemove) this._boundRemove = this._remove.bind(this);
+  const dir = sysPath.resolve(directory);
+  if (!this._watched.has(dir)) this._watched.set(dir, new DirEntry(dir, this._boundRemove));
+  return this._watched.get(dir);
+}
+
+// File helpers
+// ------------
+
+/**
+ * Check for read permissions.
+ * Based on this answer on SO: https://stackoverflow.com/a/11781404/1358405
+ * @param {fs.Stats} stats - object, result of fs_stat
+ * @returns {Boolean} indicates whether the file can be read
+*/
+_hasReadPermissions(stats) {
+  if (this.options.ignorePermissionErrors) return true;
+
+  // stats.mode may be bigint
+  const md = stats && Number.parseInt(stats.mode, 10);
+  const st = md & 0o777;
+  const it = Number.parseInt(st.toString(8)[0], 10);
+  return Boolean(4 & it);
+}
+
+/**
+ * Handles emitting unlink events for
+ * files and directories, and via recursion, for
+ * files and directories within directories that are unlinked
+ * @param {String} directory within which the following item is located
+ * @param {String} item      base path of item/directory
+ * @returns {void}
+*/
+_remove(directory, item, isDirectory) {
+  // if what is being deleted is a directory, get that directory's paths
+  // for recursive deleting and cleaning of watched object
+  // if it is not a directory, nestedDirectoryChildren will be empty array
+  const path = sysPath.join(directory, item);
+  const fullPath = sysPath.resolve(path);
+  isDirectory = isDirectory != null
+    ? isDirectory
+    : this._watched.has(path) || this._watched.has(fullPath);
+
+  // prevent duplicate handling in case of arriving here nearly simultaneously
+  // via multiple paths (such as _handleFile and _handleDir)
+  if (!this._throttle('remove', path, 100)) return;
+
+  // if the only watched file is removed, watch for its return
+  if (!isDirectory && !this.options.useFsEvents && this._watched.size === 1) {
+    this.add(directory, item, true);
+  }
+
+  // This will create a new entry in the watched object in either case
+  // so we got to do the directory check beforehand
+  const wp = this._getWatchedDir(path);
+  const nestedDirectoryChildren = wp.getChildren();
+
+  // Recursively remove children directories / files.
+  nestedDirectoryChildren.forEach(nested => this._remove(path, nested));
+
+  // Check if item was on the watched list and remove it
+  const parent = this._getWatchedDir(directory);
+  const wasTracked = parent.has(item);
+  parent.remove(item);
+
+  // Fixes issue #1042 -> Relative paths were detected and added as symlinks
+  // (https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L612),
+  // but never removed from the map in case the path was deleted.
+  // This leads to an incorrect state if the path was recreated:
+  // https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L553
+  if (this._symlinkPaths.has(fullPath)) {
+    this._symlinkPaths.delete(fullPath);
+  }
+
+  // If we wait for this file to be fully written, cancel the wait.
+  let relPath = path;
+  if (this.options.cwd) relPath = sysPath.relative(this.options.cwd, path);
+  if (this.options.awaitWriteFinish && this._pendingWrites.has(relPath)) {
+    const event = this._pendingWrites.get(relPath).cancelWait();
+    if (event === EV_ADD) return;
+  }
+
+  // The Entry will either be a directory that just got removed
+  // or a bogus entry to a file, in either case we have to remove it
+  this._watched.delete(path);
+  this._watched.delete(fullPath);
+  const eventName = isDirectory ? EV_UNLINK_DIR : EV_UNLINK;
+  if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path);
+
+  // Avoid conflicts if we later create another file with the same name
+  if (!this.options.useFsEvents) {
+    this._closePath(path);
+  }
+}
+
+/**
+ * Closes all watchers for a path
+ * @param {Path} path
+ */
+_closePath(path) {
+  this._closeFile(path)
+  const dir = sysPath.dirname(path);
+  this._getWatchedDir(dir).remove(sysPath.basename(path));
+}
+
+/**
+ * Closes only file-specific watchers
+ * @param {Path} path
+ */
+_closeFile(path) {
+  const closers = this._closers.get(path);
+  if (!closers) return;
+  closers.forEach(closer => closer());
+  this._closers.delete(path);
+}
+
+/**
+ *
+ * @param {Path} path
+ * @param {Function} closer
+ */
+_addPathCloser(path, closer) {
+  if (!closer) return;
+  let list = this._closers.get(path);
+  if (!list) {
+    list = [];
+    this._closers.set(path, list);
+  }
+  list.push(closer);
+}
+
+_readdirp(root, opts) {
+  if (this.closed) return;
+  const options = {type: EV_ALL, alwaysStat: true, lstat: true, ...opts};
+  let stream = readdirp(root, options);
+  this._streams.add(stream);
+  stream.once(STR_CLOSE, () => {
+    stream = undefined;
+  });
+  stream.once(STR_END, () => {
+    if (stream) {
+      this._streams.delete(stream);
+      stream = undefined;
+    }
+  });
+  return stream;
+}
+
+}
+
+// Export FSWatcher class
+exports.FSWatcher = FSWatcher;
+
+/**
+ * Instantiates watcher with paths to be tracked.
+ * @param {String|Array<String>} paths file/directory paths and/or globs
+ * @param {Object=} options chokidar opts
+ * @returns an instance of FSWatcher for chaining.
+ */
+const watch = (paths, options) => {
+  const watcher = new FSWatcher(options);
+  watcher.add(paths);
+  return watcher;
+};
+
+exports.watch = watch;
diff --git a/node_modules/chokidar/lib/constants.js b/node_modules/chokidar/lib/constants.js
new file mode 100644
index 00000000..4743865d
--- /dev/null
+++ b/node_modules/chokidar/lib/constants.js
@@ -0,0 +1,66 @@
+'use strict';
+
+const {sep} = require('path');
+const {platform} = process;
+const os = require('os');
+
+exports.EV_ALL = 'all';
+exports.EV_READY = 'ready';
+exports.EV_ADD = 'add';
+exports.EV_CHANGE = 'change';
+exports.EV_ADD_DIR = 'addDir';
+exports.EV_UNLINK = 'unlink';
+exports.EV_UNLINK_DIR = 'unlinkDir';
+exports.EV_RAW = 'raw';
+exports.EV_ERROR = 'error';
+
+exports.STR_DATA = 'data';
+exports.STR_END = 'end';
+exports.STR_CLOSE = 'close';
+
+exports.FSEVENT_CREATED = 'created';
+exports.FSEVENT_MODIFIED = 'modified';
+exports.FSEVENT_DELETED = 'deleted';
+exports.FSEVENT_MOVED = 'moved';
+exports.FSEVENT_CLONED = 'cloned';
+exports.FSEVENT_UNKNOWN = 'unknown';
+exports.FSEVENT_FLAG_MUST_SCAN_SUBDIRS = 1;
+exports.FSEVENT_TYPE_FILE = 'file';
+exports.FSEVENT_TYPE_DIRECTORY = 'directory';
+exports.FSEVENT_TYPE_SYMLINK = 'symlink';
+
+exports.KEY_LISTENERS = 'listeners';
+exports.KEY_ERR = 'errHandlers';
+exports.KEY_RAW = 'rawEmitters';
+exports.HANDLER_KEYS = [exports.KEY_LISTENERS, exports.KEY_ERR, exports.KEY_RAW];
+
+exports.DOT_SLASH = `.${sep}`;
+
+exports.BACK_SLASH_RE = /\\/g;
+exports.DOUBLE_SLASH_RE = /\/\//;
+exports.SLASH_OR_BACK_SLASH_RE = /[/\\]/;
+exports.DOT_RE = /\..*\.(sw[px])$|~$|\.subl.*\.tmp/;
+exports.REPLACER_RE = /^\.[/\\]/;
+
+exports.SLASH = '/';
+exports.SLASH_SLASH = '//';
+exports.BRACE_START = '{';
+exports.BANG = '!';
+exports.ONE_DOT = '.';
+exports.TWO_DOTS = '..';
+exports.STAR = '*';
+exports.GLOBSTAR = '**';
+exports.ROOT_GLOBSTAR = '/**/*';
+exports.SLASH_GLOBSTAR = '/**';
+exports.DIR_SUFFIX = 'Dir';
+exports.ANYMATCH_OPTS = {dot: true};
+exports.STRING_TYPE = 'string';
+exports.FUNCTION_TYPE = 'function';
+exports.EMPTY_STR = '';
+exports.EMPTY_FN = () => {};
+exports.IDENTITY_FN = val => val;
+
+exports.isWindows = platform === 'win32';
+exports.isMacos = platform === 'darwin';
+exports.isLinux = platform === 'linux';
+exports.isIBMi = os.type() === 'OS400';
diff --git a/node_modules/chokidar/lib/fsevents-handler.js b/node_modules/chokidar/lib/fsevents-handler.js
new file mode 100644
index 00000000..fe29393c
--- /dev/null
+++ b/node_modules/chokidar/lib/fsevents-handler.js
@@ -0,0 +1,526 @@
+'use strict';
+
+const fs = require('fs');
+const sysPath = require('path');
+const { promisify } = require('util');
+
+let fsevents;
+try {
+  fsevents = require('fsevents');
+} catch (error) {
+  if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error);
+}
+
+if (fsevents) {
+  // TODO: real check
+  const mtch = process.version.match(/v(\d+)\.(\d+)/);
+  if (mtch && mtch[1] && mtch[2]) {
+    const maj = Number.parseInt(mtch[1], 10);
+    const min = Number.parseInt(mtch[2], 10);
+    if (maj === 8 && min < 16) {
+      fsevents = undefined;
+    }
+  }
+}
+
+const {
+  EV_ADD,
+  EV_CHANGE,
+  EV_ADD_DIR,
+  EV_UNLINK,
+  EV_ERROR,
+  STR_DATA,
+  STR_END,
+  FSEVENT_CREATED,
+  FSEVENT_MODIFIED,
+  FSEVENT_DELETED,
+  FSEVENT_MOVED,
+  // FSEVENT_CLONED,
+  FSEVENT_UNKNOWN,
+  FSEVENT_FLAG_MUST_SCAN_SUBDIRS,
+  FSEVENT_TYPE_FILE,
+  FSEVENT_TYPE_DIRECTORY,
+  FSEVENT_TYPE_SYMLINK,
+
+  ROOT_GLOBSTAR,
+  DIR_SUFFIX,
+  DOT_SLASH,
+  FUNCTION_TYPE,
+  EMPTY_FN,
+  IDENTITY_FN
+} = require('./constants');
+
+const Depth = (value) => isNaN(value) ? {} : {depth: value};
+
+const stat = promisify(fs.stat);
+const lstat = promisify(fs.lstat);
+const realpath = promisify(fs.realpath);
+
+const statMethods = { stat, lstat };
+
+/**
+ * @typedef {String} Path
+ */
+
+/**
+ * @typedef {Object} FsEventsWatchContainer
+ * @property {Set<Function>} listeners
+ * @property {Function} rawEmitter
+ * @property {{stop: Function}} watcher
+ */
+
+// fsevents instance helper functions
+/**
+ * Object to hold per-process fsevents instances (may be shared across chokidar FSWatcher instances)
+ * @type {Map<Path,FsEventsWatchContainer>}
+ */
+const FSEventsWatchers = new Map();
+
+// Threshold of duplicate path prefixes at which to start
+// consolidating going forward
+const consolidateThreshhold = 10;
+
+const wrongEventFlags = new Set([
+  69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912
+]);
+
+/**
+ * Instantiates the fsevents interface
+ * @param {Path} path path to be watched
+ * @param {Function} callback called when fsevents is bound and ready
+ * @returns {{stop: Function}} new fsevents instance
+ */
+const createFSEventsInstance = (path, callback) => {
+  const stop = fsevents.watch(path, callback);
+  return {stop};
+};
+
+/**
+ * Instantiates the fsevents interface or binds listeners to an existing one covering
+ * the same file tree.
+ * @param {Path} path           - to be watched
+ * @param {Path} realPath       - real path for symlinks
+ * @param {Function} listener   - called when fsevents emits events
+ * @param {Function} rawEmitter - passes data to listeners of the 'raw' event
+ * @returns {Function} closer
+ */
+function setFSEventsListener(path, realPath, listener, rawEmitter) {
+  let watchPath = sysPath.extname(realPath) ? sysPath.dirname(realPath) : realPath;
+
+  const parentPath = sysPath.dirname(watchPath);
+  let cont = FSEventsWatchers.get(watchPath);
+
+  // If we've accumulated a substantial number of paths that
+  // could have been consolidated by watching one directory
+  // above the current one, create a watcher on the parent
+  // path instead, so that we do consolidate going forward.
+  if (couldConsolidate(parentPath)) {
+    watchPath = parentPath;
+  }
+
+  const resolvedPath = sysPath.resolve(path);
+  const hasSymlink = resolvedPath !== realPath;
+
+  const filteredListener = (fullPath, flags, info) => {
+    if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath);
+    if (
+      fullPath === resolvedPath ||
+      !fullPath.indexOf(resolvedPath + sysPath.sep)
+    ) listener(fullPath, flags, info);
+  };
+
+  // check if there is already a watcher on a parent path
+  // modifies `watchPath` to the parent path when it finds a match
+  let watchedParent = false;
+  for (const watchedPath of FSEventsWatchers.keys()) {
+    if (realPath.indexOf(sysPath.resolve(watchedPath) + sysPath.sep) === 0) {
+      watchPath = watchedPath;
+      cont = FSEventsWatchers.get(watchPath);
+      watchedParent = true;
+      break;
+    }
+  }
+
+  if (cont || watchedParent) {
+    cont.listeners.add(filteredListener);
+  } else {
+    cont = {
+      listeners: new Set([filteredListener]),
+      rawEmitter,
+      watcher: createFSEventsInstance(watchPath, (fullPath, flags) => {
+        if (!cont.listeners.size) return;
+        if (flags & FSEVENT_FLAG_MUST_SCAN_SUBDIRS) return;
+        const info = fsevents.getInfo(fullPath, flags);
+        cont.listeners.forEach(list => {
+          list(fullPath, flags, info);
+        });
+
+        cont.rawEmitter(info.event, fullPath, info);
+      })
+    };
+    FSEventsWatchers.set(watchPath, cont);
+  }
+
+  // removes this instance's listeners and closes the underlying fsevents
+  // instance if there are no more listeners left
+  return () => {
+    const lst = cont.listeners;
+
+    lst.delete(filteredListener);
+    if (!lst.size) {
+      FSEventsWatchers.delete(watchPath);
+      if (cont.watcher) return cont.watcher.stop().then(() => {
+        cont.rawEmitter = cont.watcher = undefined;
+        Object.freeze(cont);
+      });
+    }
+  };
+}
+
+// Decide whether or not we should start a new higher-level
+// parent watcher
+const couldConsolidate = (path) => {
+  let count = 0;
+  for (const watchPath of FSEventsWatchers.keys()) {
+    if (watchPath.indexOf(path) === 0) {
+      count++;
+      if (count >= consolidateThreshhold) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+};
+
+// returns boolean indicating whether fsevents can be used
+const canUse = () => fsevents && FSEventsWatchers.size < 128;
+
+// determines subdirectory traversal levels from root to path
+const calcDepth = (path, root) => {
+  let i = 0;
+  while (!path.indexOf(root) && (path = sysPath.dirname(path)) !== root) i++;
+  return i;
+};
+
+// returns boolean indicating whether the fsevents' event info has the same type
+// as the one returned by fs.stat
+const sameTypes = (info, stats) => (
+  info.type === FSEVENT_TYPE_DIRECTORY && stats.isDirectory() ||
+  info.type === FSEVENT_TYPE_SYMLINK && stats.isSymbolicLink() ||
+  info.type === FSEVENT_TYPE_FILE && stats.isFile()
+)
+
+/**
+ * @mixin
+ */
+class FsEventsHandler {
+
+/**
+ * @param {import('../index').FSWatcher} fsw
+ */
+constructor(fsw) {
+  this.fsw = fsw;
+}
+checkIgnored(path, stats) {
+  const ipaths = this.fsw._ignoredPaths;
+  if (this.fsw._isIgnored(path, stats)) {
+    ipaths.add(path);
+    if (stats && stats.isDirectory()) {
+      ipaths.add(path + ROOT_GLOBSTAR);
+    }
+    return true;
+  }
+
+  ipaths.delete(path);
+  ipaths.delete(path + ROOT_GLOBSTAR);
+}
+
+addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
+  const event = watchedDir.has(item) ? EV_CHANGE : EV_ADD;
+  this.handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts);
+}
+
+async checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
+  try {
+    const stats = await stat(path)
+    if (this.fsw.closed) return;
+    if (sameTypes(info, stats)) {
+      this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+    } else {
+      this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
+    }
+  } catch (error) {
+    if (error.code === 'EACCES') {
+      this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+    } else {
+      this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
+    }
+  }
+}
+
+handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts) {
+  if (this.fsw.closed || this.checkIgnored(path)) return;
+
+  if (event === EV_UNLINK) {
+    const isDirectory = info.type === FSEVENT_TYPE_DIRECTORY
+    // suppress unlink events on never before seen files
+    if (isDirectory || watchedDir.has(item)) {
+      this.fsw._remove(parent, item, isDirectory);
+    }
+  } else {
+    if (event === EV_ADD) {
+      // track new directories
+      if (info.type === FSEVENT_TYPE_DIRECTORY) this.fsw._getWatchedDir(path);
+
+      if (info.type === FSEVENT_TYPE_SYMLINK && opts.followSymlinks) {
+        // push symlinks back to the top of the stack to get handled
+        const curDepth = opts.depth === undefined ?
+          undefined : calcDepth(fullPath, realPath) + 1;
+        return this._addToFsEvents(path, false, true, curDepth);
+      }
+
+      // track new paths
+      // (other than symlinks being followed, which will be tracked soon)
+      this.fsw._getWatchedDir(parent).add(item);
+    }
+    /**
+     * @type {'add'|'addDir'|'unlink'|'unlinkDir'}
+     */
+    const eventName = info.type === FSEVENT_TYPE_DIRECTORY ? event + DIR_SUFFIX : event;
+    this.fsw._emit(eventName, path);
+    if (eventName === EV_ADD_DIR) this._addToFsEvents(path, false, true);
+  }
+}
+
+/**
+ * Handle symlinks encountered during directory scan
+ * @param {String} watchPath  - file/dir path to be watched with fsevents
+ * @param {String} realPath   - real path (in case of symlinks)
+ * @param {Function} transform  - path transformer
+ * @param {Function} globFilter - path filter in case a glob pattern was provided
+ * @returns {Function} closer for the watcher instance
+*/
+_watchWithFsEvents(watchPath, realPath, transform, globFilter) {
+  if (this.fsw.closed || this.fsw._isIgnored(watchPath)) return;
+  const opts = this.fsw.options;
+  const watchCallback = async (fullPath, flags, info) => {
+    if (this.fsw.closed) return;
+    if (
+      opts.depth !== undefined &&
+      calcDepth(fullPath, realPath) > opts.depth
+    ) return;
+    const path = transform(sysPath.join(
+      watchPath, sysPath.relative(watchPath, fullPath)
+    ));
+    if (globFilter && !globFilter(path)) return;
+    // ensure directories are tracked
+    const parent = sysPath.dirname(path);
+    const item = sysPath.basename(path);
+    const watchedDir = this.fsw._getWatchedDir(
+      info.type === FSEVENT_TYPE_DIRECTORY ? path : parent
+    );
+
+    // correct for wrong events emitted
+    if (wrongEventFlags.has(flags) || info.event === FSEVENT_UNKNOWN) {
+      if (typeof opts.ignored === FUNCTION_TYPE) {
+        let stats;
+        try {
+          stats = await stat(path);
+        } catch (error) {}
+        if (this.fsw.closed) return;
+        if (this.checkIgnored(path, stats)) return;
+        if (sameTypes(info, stats)) {
+          this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+        } else {
+          this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
+        }
+      } else {
+        this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+      }
+    } else {
+      switch (info.event) {
+      case FSEVENT_CREATED:
+      case FSEVENT_MODIFIED:
+        return this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+      case FSEVENT_DELETED:
+      case FSEVENT_MOVED:
+        return this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
+      }
+    }
+  };
+
+  const closer = setFSEventsListener(
+    watchPath,
+    realPath,
+    watchCallback,
+    this.fsw._emitRaw
+  );
+
+  this.fsw._emitReady();
+  return closer;
+}
+
+/**
+ * Handle symlinks encountered during directory scan
+ * @param {String} linkPath path to symlink
+ * @param {String} fullPath absolute path to the symlink
+ * @param {Function} transform pre-existing path transformer
+ * @param {Number} curDepth level of subdirectories traversed to where symlink is
+ * @returns {Promise<void>}
+ */
+async _handleFsEventsSymlink(linkPath, fullPath, transform, curDepth) {
+  // don't follow the same symlink more than once
+  if (this.fsw.closed || this.fsw._symlinkPaths.has(fullPath)) return;
+
+  this.fsw._symlinkPaths.set(fullPath, true);
+  this.fsw._incrReadyCount();
+
+  try {
+    const linkTarget = await realpath(linkPath);
+    if (this.fsw.closed) return;
+    if (this.fsw._isIgnored(linkTarget)) {
+      return this.fsw._emitReady();
+    }
+
+    this.fsw._incrReadyCount();
+
+    // add the linkTarget for watching with a wrapper for transform
+    // that causes emitted paths to incorporate the link's path
+    this._addToFsEvents(linkTarget || linkPath, (path) => {
+      let aliasedPath = linkPath;
+      if (linkTarget && linkTarget !== DOT_SLASH) {
+        aliasedPath = path.replace(linkTarget, linkPath);
+      } else if (path !== DOT_SLASH) {
+        aliasedPath = sysPath.join(linkPath, path);
+      }
+      return transform(aliasedPath);
+    }, false, curDepth);
+  } catch(error) {
+    if (this.fsw._handleError(error)) {
+      return this.fsw._emitReady();
+    }
+  }
+}
+
+/**
+ *
+ * @param {Path} newPath
+ * @param {fs.Stats} stats
+ */
+emitAdd(newPath, stats, processPath, opts, forceAdd) {
+  const pp = processPath(newPath);
+  const isDir = stats.isDirectory();
+  const dirObj = this.fsw._getWatchedDir(sysPath.dirname(pp));
+  const base = sysPath.basename(pp);
+
+  // ensure empty dirs get tracked
+  if (isDir) this.fsw._getWatchedDir(pp);
+  if (dirObj.has(base)) return;
+  dirObj.add(base);
+
+  if (!opts.ignoreInitial || forceAdd === true) {
+    this.fsw._emit(isDir ? EV_ADD_DIR : EV_ADD, pp, stats);
+  }
+}
+
+initWatch(realPath, path, wh, processPath) {
+  if (this.fsw.closed) return;
+  const closer = this._watchWithFsEvents(
+    wh.watchPath,
+    sysPath.resolve(realPath || wh.watchPath),
+    processPath,
+    wh.globFilter
+  );
+  this.fsw._addPathCloser(path, closer);
+}
+
+/**
+ * Handle added path with fsevents
+ * @param {String} path file/dir path or glob pattern
+ * @param {Function|Boolean=} transform converts working path to what the user expects
+ * @param {Boolean=} forceAdd ensure add is emitted
+ * @param {Number=} priorDepth Level of subdirectories already traversed.
+ * @returns {Promise<void>}
+ */
+async _addToFsEvents(path, transform, forceAdd, priorDepth) {
+  if (this.fsw.closed) {
+    return;
+  }
+  const opts = this.fsw.options;
+  const processPath = typeof transform === FUNCTION_TYPE ? transform : IDENTITY_FN;
+
+  const wh = this.fsw._getWatchHelpers(path);
+
+  // evaluate what is at the path we're being asked to watch
+  try {
+    const stats = await statMethods[wh.statMethod](wh.watchPath);
+    if (this.fsw.closed) return;
+    if (this.fsw._isIgnored(wh.watchPath, stats)) {
+      throw null;
+    }
+    if (stats.isDirectory()) {
+      // emit addDir unless this is a glob parent
+      if (!wh.globFilter) this.emitAdd(processPath(path), stats, processPath, opts, forceAdd);
+
+      // don't recurse further if it would exceed depth setting
+      if (priorDepth && priorDepth > opts.depth) return;
+
+      // scan the contents of the dir
+      this.fsw._readdirp(wh.watchPath, {
+        fileFilter: entry => wh.filterPath(entry),
+        directoryFilter: entry => wh.filterDir(entry),
+        ...Depth(opts.depth - (priorDepth || 0))
+      }).on(STR_DATA, (entry) => {
+        // need to check filterPath on dirs b/c filterDir is less restrictive
+        if (this.fsw.closed) {
+          return;
+        }
+        if (entry.stats.isDirectory() && !wh.filterPath(entry)) return;
+
+        const joinedPath = sysPath.join(wh.watchPath, entry.path);
+        const {fullPath} = entry;
+
+        if (wh.followSymlinks && entry.stats.isSymbolicLink()) {
+          // preserve the current depth here since it can't be derived from
+          // real paths past the symlink
+          const curDepth = opts.depth === undefined ?
+            undefined : calcDepth(joinedPath, sysPath.resolve(wh.watchPath)) + 1;
+
+          this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth);
+        } else {
+          this.emitAdd(joinedPath, entry.stats, processPath, opts, forceAdd);
+        }
+      }).on(EV_ERROR, EMPTY_FN).on(STR_END, () => {
+        this.fsw._emitReady();
+      });
+    } else {
+      this.emitAdd(wh.watchPath, stats, processPath, opts, forceAdd);
+      this.fsw._emitReady();
+    }
+  } catch (error) {
+    if (!error || this.fsw._handleError(error)) {
+      // TODO: Strange thing: "should not choke on an ignored watch path" will be failed without 2 ready calls -__-
+      this.fsw._emitReady();
+      this.fsw._emitReady();
+    }
+  }
+
+  if (opts.persistent && forceAdd !== true) {
+    if (typeof transform === FUNCTION_TYPE) {
+      // realpath has already been resolved
+      this.initWatch(undefined, path, wh, processPath);
+    } else {
+      let realPath;
+      try {
+        realPath = await realpath(wh.watchPath);
+      } catch (e) {}
+      this.initWatch(realPath, path, wh, processPath);
+    }
+  }
+}
+
+}
+
+module.exports = FsEventsHandler;
+module.exports.canUse = canUse;
diff --git a/node_modules/chokidar/lib/nodefs-handler.js b/node_modules/chokidar/lib/nodefs-handler.js
new file mode 100644
index 00000000..199cfe9f
--- /dev/null
+++ b/node_modules/chokidar/lib/nodefs-handler.js
@@ -0,0 +1,654 @@
+'use strict';
+
+const fs = require('fs');
+const sysPath = require('path');
+const { promisify } = require('util');
+const isBinaryPath = require('is-binary-path');
+const {
+  isWindows,
+  isLinux,
+  EMPTY_FN,
+  EMPTY_STR,
+  KEY_LISTENERS,
+  KEY_ERR,
+  KEY_RAW,
+  HANDLER_KEYS,
+  EV_CHANGE,
+  EV_ADD,
+  EV_ADD_DIR,
+  EV_ERROR,
+  STR_DATA,
+  STR_END,
+  BRACE_START,
+  STAR
+} = require('./constants');
+
+const THROTTLE_MODE_WATCH = 'watch';
+
+const open = promisify(fs.open);
+const stat = promisify(fs.stat);
+const lstat = promisify(fs.lstat);
+const close = promisify(fs.close);
+const fsrealpath = promisify(fs.realpath);
+
+const statMethods = { lstat, stat };
+
+// TODO: emit errors properly. Example: EMFILE on Macos.
+const foreach = (val, fn) => {
+  if (val instanceof Set) {
+    val.forEach(fn);
+  } else {
+    fn(val);
+  }
+};
+
+const addAndConvert = (main, prop, item) => {
+  let container = main[prop];
+  if (!(container instanceof Set)) {
+    main[prop] = container = new Set([container]);
+  }
+  container.add(item);
+};
+
+const clearItem = cont => key => {
+  const set = cont[key];
+  if (set instanceof Set) {
+    set.clear();
+  } else {
+    delete cont[key];
+  }
+};
+
+const delFromSet = (main, prop, item) => {
+  const container = main[prop];
+  if (container instanceof Set) {
+    container.delete(item);
+  } else if (container === item) {
+    delete main[prop];
+  }
+};
+
+const isEmptySet = (val) => val instanceof Set ? val.size === 0 : !val;
+
+/**
+ * @typedef {String} Path
+ */
+
+// fs_watch helpers
+
+// object to hold per-process fs_watch instances
+// (may be shared across chokidar FSWatcher instances)
+
+/**
+ * @typedef {Object} FsWatchContainer
+ * @property {Set} listeners
+ * @property {Set} errHandlers
+ * @property {Set} rawEmitters
+ * @property {fs.FSWatcher=} watcher
+ * @property {Boolean=} watcherUnusable
+ */
+
+/**
+ * @type {Map<String,FsWatchContainer>}
+ */
+const FsWatchInstances = new Map();
+
+/**
+ * Instantiates the fs_watch interface
+ * @param {String} path to be watched
+ * @param {Object} options to be passed to fs_watch
+ * @param {Function} listener main event handler
+ * @param {Function} errHandler emits info about errors
+ * @param {Function} emitRaw emits raw event data
+ * @returns {fs.FSWatcher} new fsevents instance
+ */
+function createFsWatchInstance(path, options, listener, errHandler, emitRaw) {
+  const handleEvent = (rawEvent, evPath) => {
+    listener(path);
+    emitRaw(rawEvent, evPath, {watchedPath: path});
+
+    // emit based on events occurring for files from a directory's watcher in
+    // case the file's watcher misses it (and rely on throttling to de-dupe)
+    if (evPath && path !== evPath) {
+      fsWatchBroadcast(
+        sysPath.resolve(path, evPath), KEY_LISTENERS, sysPath.join(path, evPath)
+      );
+    }
+  };
+  try {
+    return fs.watch(path, options, handleEvent);
+  } catch (error) {
+    errHandler(error);
+  }
+}
+
+/**
+ * Helper for passing fs_watch event data to a collection of listeners
+ * @param {Path} fullPath absolute path bound to fs_watch instance
+ * @param {String} type listener type
+ * @param {*=} val1 arguments to be passed to listeners
+ * @param {*=} val2
+ * @param {*=} val3
+ */
+const fsWatchBroadcast = (fullPath, type, val1, val2, val3) => {
+  const cont = FsWatchInstances.get(fullPath);
+  if (!cont) return;
+  foreach(cont[type], (listener) => {
+    listener(val1, val2, val3);
+  });
+};
+
+/**
+ * Instantiates the fs_watch interface or binds listeners
+ * to an existing one covering the same file system entry
+ * @param {String} path
+ * @param {String} fullPath absolute path
+ * @param {Object} options to be passed to fs_watch
+ * @param {Object} handlers container for event listener functions
+ */
+const setFsWatchListener = (path, fullPath, options, handlers) => {
+  const {listener, errHandler, rawEmitter} = handlers;
+  let cont = FsWatchInstances.get(fullPath);
+
+  /** @type {fs.FSWatcher=} */
+  let watcher;
+  if (!options.persistent) {
+    watcher = createFsWatchInstance(
+      path, options, listener, errHandler, rawEmitter
+    );
+    return watcher.close.bind(watcher);
+  }
+  if (cont) {
+    addAndConvert(cont, KEY_LISTENERS, listener);
+    addAndConvert(cont, KEY_ERR, errHandler);
+    addAndConvert(cont, KEY_RAW, rawEmitter);
+  } else {
+    watcher = createFsWatchInstance(
+      path,
+      options,
+      fsWatchBroadcast.bind(null, fullPath, KEY_LISTENERS),
+      errHandler, // no need to use broadcast here
+      fsWatchBroadcast.bind(null, fullPath, KEY_RAW)
+    );
+    if (!watcher) return;
+    watcher.on(EV_ERROR, async (error) => {
+      const broadcastErr = fsWatchBroadcast.bind(null, fullPath, KEY_ERR);
+      cont.watcherUnusable = true; // documented since Node 10.4.1
+      // Workaround for https://github.com/joyent/node/issues/4337
+      if (isWindows && error.code === 'EPERM') {
+        try {
+          const fd = await open(path, 'r');
+          await close(fd);
+          broadcastErr(error);
+        } catch (err) {}
+      } else {
+        broadcastErr(error);
+      }
+    });
+    cont = {
+      listeners: listener,
+      errHandlers: errHandler,
+      rawEmitters: rawEmitter,
+      watcher
+    };
+    FsWatchInstances.set(fullPath, cont);
+  }
+  // const index = cont.listeners.indexOf(listener);
+
+  // removes this instance's listeners and closes the underlying fs_watch
+  // instance if there are no more listeners left
+  return () => {
+    delFromSet(cont, KEY_LISTENERS, listener);
+    delFromSet(cont, KEY_ERR, errHandler);
+    delFromSet(cont, KEY_RAW, rawEmitter);
+    if (isEmptySet(cont.listeners)) {
+      // Check to protect against issue gh-730.
+      // if (cont.watcherUnusable) {
+      cont.watcher.close();
+      // }
+      FsWatchInstances.delete(fullPath);
+      HANDLER_KEYS.forEach(clearItem(cont));
+      cont.watcher = undefined;
+      Object.freeze(cont);
+    }
+  };
+};
+
+// fs_watchFile helpers
+
+// object to hold per-process fs_watchFile instances
+// (may be shared across chokidar FSWatcher instances)
+const FsWatchFileInstances = new Map();
+
+/**
+ * Instantiates the fs_watchFile interface or binds listeners
+ * to an existing one covering the same file system entry
+ * @param {String} path to be watched
+ * @param {String} fullPath absolute path
+ * @param {Object} options options to be passed to fs_watchFile
+ * @param {Object} handlers container for event listener functions
+ * @returns {Function} closer
+ */
+const setFsWatchFileListener = (path, fullPath, options, handlers) => {
+  const {listener, rawEmitter} = handlers;
+  let cont = FsWatchFileInstances.get(fullPath);
+
+  /* eslint-disable no-unused-vars, prefer-destructuring */
+  let listeners = new Set();
+  let rawEmitters = new Set();
+
+  const copts = cont && cont.options;
+  if (copts && (copts.persistent < options.persistent || copts.interval > options.interval)) {
+    // "Upgrade" the watcher to persistence or a quicker interval.
+    // This creates some unlikely edge case issues if the user mixes
+    // settings in a very weird way, but solving for those cases
+    // doesn't seem worthwhile for the added complexity.
+    listeners = cont.listeners;
+    rawEmitters = cont.rawEmitters;
+    fs.unwatchFile(fullPath);
+    cont = undefined;
+  }
+
+  /* eslint-enable no-unused-vars, prefer-destructuring */
+
+  if (cont) {
+    addAndConvert(cont, KEY_LISTENERS, listener);
+    addAndConvert(cont, KEY_RAW, rawEmitter);
+  } else {
+    // TODO
+    // listeners.add(listener);
+    // rawEmitters.add(rawEmitter);
+    cont = {
+      listeners: listener,
+      rawEmitters: rawEmitter,
+      options,
+      watcher: fs.watchFile(fullPath, options, (curr, prev) => {
+        foreach(cont.rawEmitters, (rawEmitter) => {
+          rawEmitter(EV_CHANGE, fullPath, {curr, prev});
+        });
+        const currmtime = curr.mtimeMs;
+        if (curr.size !== prev.size || currmtime > prev.mtimeMs || currmtime === 0) {
+          foreach(cont.listeners, (listener) => listener(path, curr));
+        }
+      })
+    };
+    FsWatchFileInstances.set(fullPath, cont);
+  }
+  // const index = cont.listeners.indexOf(listener);
+
+  // Removes this instance's listeners and closes the underlying fs_watchFile
+  // instance if there are no more listeners left.
+  return () => {
+    delFromSet(cont, KEY_LISTENERS, listener);
+    delFromSet(cont, KEY_RAW, rawEmitter);
+    if (isEmptySet(cont.listeners)) {
+      FsWatchFileInstances.delete(fullPath);
+      fs.unwatchFile(fullPath);
+      cont.options = cont.watcher = undefined;
+      Object.freeze(cont);
+    }
+  };
+};
+
+/**
+ * @mixin
+ */
+class NodeFsHandler {
+
+/**
+ * @param {import("../index").FSWatcher} fsW
+ */
+constructor(fsW) {
+  this.fsw = fsW;
+  this._boundHandleError = (error) => fsW._handleError(error);
+}
+
+/**
+ * Watch file for changes with fs_watchFile or fs_watch.
+ * @param {String} path to file or dir
+ * @param {Function} listener on fs change
+ * @returns {Function} closer for the watcher instance
+ */
+_watchWithNodeFs(path, listener) {
+  const opts = this.fsw.options;
+  const directory = sysPath.dirname(path);
+  const basename = sysPath.basename(path);
+  const parent = this.fsw._getWatchedDir(directory);
+  parent.add(basename);
+  const absolutePath = sysPath.resolve(path);
+  const options = {persistent: opts.persistent};
+  if (!listener) listener = EMPTY_FN;
+
+  let closer;
+  if (opts.usePolling) {
+    options.interval = opts.enableBinaryInterval && isBinaryPath(basename) ?
+      opts.binaryInterval : opts.interval;
+    closer = setFsWatchFileListener(path, absolutePath, options, {
+      listener,
+      rawEmitter: this.fsw._emitRaw
+    });
+  } else {
+    closer = setFsWatchListener(path, absolutePath, options, {
+      listener,
+      errHandler: this._boundHandleError,
+      rawEmitter: this.fsw._emitRaw
+    });
+  }
+  return closer;
+}
+
+/**
+ * Watch a file and emit add event if warranted.
+ * @param {Path} file Path
+ * @param {fs.Stats} stats result of fs_stat
+ * @param {Boolean} initialAdd was the file added at watch instantiation?
+ * @returns {Function} closer for the watcher instance
+ */
+_handleFile(file, stats, initialAdd) {
+  if (this.fsw.closed) {
+    return;
+  }
+  const dirname = sysPath.dirname(file);
+  const basename = sysPath.basename(file);
+  const parent = this.fsw._getWatchedDir(dirname);
+  // stats is always present
+  let prevStats = stats;
+
+  // if the file is already being watched, do nothing
+  if (parent.has(basename)) return;
+
+  const listener = async (path, newStats) => {
+    if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return;
+    if (!newStats || newStats.mtimeMs === 0) {
+      try {
+        const newStats = await stat(file);
+        if (this.fsw.closed) return;
+        // Check that change event was not fired because of changed only accessTime.
+        const at = newStats.atimeMs;
+        const mt = newStats.mtimeMs;
+        if (!at || at <= mt || mt !== prevStats.mtimeMs) {
+          this.fsw._emit(EV_CHANGE, file, newStats);
+        }
+        if (isLinux && prevStats.ino !== newStats.ino) {
+          this.fsw._closeFile(path)
+          prevStats = newStats;
+          this.fsw._addPathCloser(path, this._watchWithNodeFs(file, listener));
+        } else {
+          prevStats = newStats;
+        }
+      } catch (error) {
+        // Fix issues where mtime is null but file is still present
+        this.fsw._remove(dirname, basename);
+      }
+      // add is about to be emitted if file not already tracked in parent
+    } else if (parent.has(basename)) {
+      // Check that change event was not fired because of changed only accessTime.
+      const at = newStats.atimeMs;
+      const mt = newStats.mtimeMs;
+      if (!at || at <= mt || mt !== prevStats.mtimeMs) {
+        this.fsw._emit(EV_CHANGE, file, newStats);
+      }
+      prevStats = newStats;
+    }
+  }
+  // kick off the watcher
+  const closer = this._watchWithNodeFs(file, listener);
+
+  // emit an add event if we're supposed to
+  if (!(initialAdd && this.fsw.options.ignoreInitial) && this.fsw._isntIgnored(file)) {
+    if (!this.fsw._throttle(EV_ADD, file, 0)) return;
+    this.fsw._emit(EV_ADD, file, stats);
+  }
+
+  return closer;
+}
+
+/**
+ * Handle symlinks encountered while reading a dir.
+ * @param {Object} entry returned by readdirp
+ * @param {String} directory path of dir being read
+ * @param {String} path of this item
+ * @param {String} item basename of this item
+ * @returns {Promise<Boolean>} true if no more processing is needed for this entry.
+ */
+async _handleSymlink(entry, directory, path, item) {
+  if (this.fsw.closed) {
+    return;
+  }
+  const full = entry.fullPath;
+  const dir = this.fsw._getWatchedDir(directory);
+
+  if (!this.fsw.options.followSymlinks) {
+    // watch symlink directly (don't follow) and detect changes
+    this.fsw._incrReadyCount();
+
+    let linkPath;
+    try {
+      linkPath = await fsrealpath(path);
+    } catch (e) {
+      this.fsw._emitReady();
+      return true;
+    }
+
+    if (this.fsw.closed) return;
+    if (dir.has(item)) {
+      if (this.fsw._symlinkPaths.get(full) !== linkPath) {
+        this.fsw._symlinkPaths.set(full, linkPath);
+        this.fsw._emit(EV_CHANGE, path, entry.stats);
+      }
+    } else {
+      dir.add(item);
+      this.fsw._symlinkPaths.set(full, linkPath);
+      this.fsw._emit(EV_ADD, path, entry.stats);
+    }
+    this.fsw._emitReady();
+    return true;
+  }
+
+  // don't follow the same symlink more than once
+  if (this.fsw._symlinkPaths.has(full)) {
+    return true;
+  }
+
+  this.fsw._symlinkPaths.set(full, true);
+}
+
+_handleRead(directory, initialAdd, wh, target, dir, depth, throttler) {
+  // Normalize the directory name on Windows
+  directory = sysPath.join(directory, EMPTY_STR);
+
+  if (!wh.hasGlob) {
+    throttler = this.fsw._throttle('readdir', directory, 1000);
+    if (!throttler) return;
+  }
+
+  const previous = this.fsw._getWatchedDir(wh.path);
+  const current = new Set();
+
+  let stream = this.fsw._readdirp(directory, {
+    fileFilter: entry => wh.filterPath(entry),
+    directoryFilter: entry => wh.filterDir(entry),
+    depth: 0
+  }).on(STR_DATA, async (entry) => {
+    if (this.fsw.closed) {
+      stream = undefined;
+      return;
+    }
+    const item = entry.path;
+    let path = sysPath.join(directory, item);
+    current.add(item);
+
+    if (entry.stats.isSymbolicLink() && await this._handleSymlink(entry, directory, path, item)) {
+      return;
+    }
+
+    if (this.fsw.closed) {
+      stream = undefined;
+      return;
+    }
+    // Files that present in current directory snapshot
+    // but absent in previous are added to watch list and
+    // emit `add` event.
+    if (item === target || !target && !previous.has(item)) {
+      this.fsw._incrReadyCount();
+
+      // ensure relativeness of path is preserved in case of watcher reuse
+      path = sysPath.join(dir, sysPath.relative(dir, path));
+
+      this._addToNodeFs(path, initialAdd, wh, depth + 1);
+    }
+  }).on(EV_ERROR, this._boundHandleError);
+
+  return new Promise(resolve =>
+    stream.once(STR_END, () => {
+      if (this.fsw.closed) {
+        stream = undefined;
+        return;
+      }
+      const wasThrottled = throttler ? throttler.clear() : false;
+
+      resolve();
+
+      // Files that absent in current directory snapshot
+      // but present in previous emit `remove` event
+      // and are removed from @watched[directory].
+      previous.getChildren().filter((item) => {
+        return item !== directory &&
+          !current.has(item) &&
+          // in case of intersecting globs;
+          // a path may have been filtered out of this readdir, but
+          // shouldn't be removed because it matches a different glob
+          (!wh.hasGlob || wh.filterPath({
+            fullPath: sysPath.resolve(directory, item)
+          }));
+      }).forEach((item) => {
+        this.fsw._remove(directory, item);
+      });
+
+      stream = undefined;
+
+      // one more time for any missed in case changes came in extremely quickly
+      if (wasThrottled) this._handleRead(directory, false, wh, target, dir, depth, throttler);
+    })
+  );
+}
+
+/**
+ * Read directory to add / remove files from `@watched` list and re-read it on change.
+ * @param {String} dir fs path
+ * @param {fs.Stats} stats
+ * @param {Boolean} initialAdd
+ * @param {Number} depth relative to user-supplied path
+ * @param {String} target child path targeted for watch
+ * @param {Object} wh Common watch helpers for this path
+ * @param {String} realpath
+ * @returns {Promise<Function>} closer for the watcher instance.
+ */
+async _handleDir(dir, stats, initialAdd, depth, target, wh, realpath) {
+  const parentDir = this.fsw._getWatchedDir(sysPath.dirname(dir));
+  const tracked = parentDir.has(sysPath.basename(dir));
+  if (!(initialAdd && this.fsw.options.ignoreInitial) && !target && !tracked) {
+    if (!wh.hasGlob || wh.globFilter(dir)) this.fsw._emit(EV_ADD_DIR, dir, stats);
+  }
+
+  // ensure dir is tracked (harmless if redundant)
+  parentDir.add(sysPath.basename(dir));
+  this.fsw._getWatchedDir(dir);
+  let throttler;
+  let closer;
+
+  const oDepth = this.fsw.options.depth;
+  if ((oDepth == null || depth <= oDepth) && !this.fsw._symlinkPaths.has(realpath)) {
+    if (!target) {
+      await this._handleRead(dir, initialAdd, wh, target, dir, depth, throttler);
+      if (this.fsw.closed) return;
+    }
+
+    closer = this._watchWithNodeFs(dir, (dirPath, stats) => {
+      // if current directory is removed, do nothing
+      if (stats && stats.mtimeMs === 0) return;
+
+      this._handleRead(dirPath, false, wh, target, dir, depth, throttler);
+    });
+  }
+  return closer;
+}
+
+/**
+ * Handle added file, directory, or glob pattern.
+ * Delegates call to _handleFile / _handleDir after checks.
+ * @param {String} path to file or ir
+ * @param {Boolean} initialAdd was the file added at watch instantiation?
+ * @param {Object} priorWh depth relative to user-supplied path
+ * @param {Number} depth Child path actually targeted for watch
+ * @param {String=} target Child path actually targeted for watch
+ * @returns {Promise}
+ */
+async _addToNodeFs(path, initialAdd, priorWh, depth, target) {
+  const ready = this.fsw._emitReady;
+  if (this.fsw._isIgnored(path) || this.fsw.closed) {
+    ready();
+    return false;
+  }
+
+  const wh = this.fsw._getWatchHelpers(path, depth);
+  if (!wh.hasGlob && priorWh) {
+    wh.hasGlob = priorWh.hasGlob;
+    wh.globFilter = priorWh.globFilter;
+    wh.filterPath = entry => priorWh.filterPath(entry);
+    wh.filterDir = entry => priorWh.filterDir(entry);
+  }
+
+  // evaluate what is at the path we're being asked to watch
+  try {
+    const stats = await statMethods[wh.statMethod](wh.watchPath);
+    if (this.fsw.closed) return;
+    if (this.fsw._isIgnored(wh.watchPath, stats)) {
+      ready();
+      return false;
+    }
+
+    const follow = this.fsw.options.followSymlinks && !path.includes(STAR) && !path.includes(BRACE_START);
+    let closer;
+    if (stats.isDirectory()) {
+      const absPath = sysPath.resolve(path);
+      const targetPath = follow ? await fsrealpath(path) : path;
+      if (this.fsw.closed) return;
+      closer = await this._handleDir(wh.watchPath, stats, initialAdd, depth, target, wh, targetPath);
+      if (this.fsw.closed) return;
+      // preserve this symlink's target path
+      if (absPath !== targetPath && targetPath !== undefined) {
+        this.fsw._symlinkPaths.set(absPath, targetPath);
+      }
+    } else if (stats.isSymbolicLink()) {
+      const targetPath = follow ? await fsrealpath(path) : path;
+      if (this.fsw.closed) return;
+      const parent = sysPath.dirname(wh.watchPath);
+      this.fsw._getWatchedDir(parent).add(wh.watchPath);
+      this.fsw._emit(EV_ADD, wh.watchPath, stats);
+      closer = await this._handleDir(parent, stats, initialAdd, depth, path, wh, targetPath);
+      if (this.fsw.closed) return;
+
+      // preserve this symlink's target path
+      if (targetPath !== undefined) {
+        this.fsw._symlinkPaths.set(sysPath.resolve(path), targetPath);
+      }
+    } else {
+      closer = this._handleFile(wh.watchPath, stats, initialAdd);
+    }
+    ready();
+
+    this.fsw._addPathCloser(path, closer);
+    return false;
+
+  } catch (error) {
+    if (this.fsw._handleError(error)) {
+      ready();
+      return path;
+    }
+  }
+}
+
+}
+
+module.exports = NodeFsHandler;
diff --git a/node_modules/chokidar/node_modules/braces/LICENSE b/node_modules/chokidar/node_modules/braces/LICENSE
new file mode 100644
index 00000000..9af4a67d
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/chokidar/node_modules/braces/README.md b/node_modules/chokidar/node_modules/braces/README.md
new file mode 100644
index 00000000..f59dd604
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/README.md
@@ -0,0 +1,586 @@
+# braces [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W8YFZ425KND68) [![NPM version](https://img.shields.io/npm/v/braces.svg?style=flat)](https://www.npmjs.com/package/braces) [![NPM monthly downloads](https://img.shields.io/npm/dm/braces.svg?style=flat)](https://npmjs.org/package/braces) [![NPM total downloads](https://img.shields.io/npm/dt/braces.svg?style=flat)](https://npmjs.org/package/braces) [![Linux Build Status](https://img.shields.io/travis/micromatch/braces.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/braces)
+
+> Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save braces
+```
+
+## v3.0.0 Released!!
+
+See the [changelog](CHANGELOG.md) for details.
+
+## Why use braces?
+
+Brace patterns make globs more powerful by adding the ability to match specific ranges and sequences of characters.
+
+- **Accurate** - complete support for the [Bash 4.3 Brace Expansion](www.gnu.org/software/bash/) specification (passes all of the Bash braces tests)
+- **[fast and performant](#benchmarks)** - Starts fast, runs fast and [scales well](#performance) as patterns increase in complexity.
+- **Organized code base** - The parser and compiler are easy to maintain and update when edge cases crop up.
+- **Well-tested** - Thousands of test assertions, and passes all of the Bash, minimatch, and [brace-expansion](https://github.com/juliangruber/brace-expansion) unit tests (as of the date this was written).
+- **Safer** - You shouldn't have to worry about users defining aggressive or malicious brace patterns that can break your application. Braces takes measures to prevent malicious regex that can be used for DDoS attacks (see [catastrophic backtracking](https://www.regular-expressions.info/catastrophic.html)).
+- [Supports lists](#lists) - (aka "sets") `a/{b,c}/d` => `['a/b/d', 'a/c/d']`
+- [Supports sequences](#sequences) - (aka "ranges") `{01..03}` => `['01', '02', '03']`
+- [Supports steps](#steps) - (aka "increments") `{2..10..2}` => `['2', '4', '6', '8', '10']`
+- [Supports escaping](#escaping) - To prevent evaluation of special characters.
+
+## Usage
+
+The main export is a function that takes one or more brace `patterns` and `options`.
+
+```js
+const braces = require('braces');
+// braces(patterns[, options]);
+
+console.log(braces(['{01..05}', '{a..e}']));
+//=> ['(0[1-5])', '([a-e])']
+
+console.log(braces(['{01..05}', '{a..e}'], { expand: true }));
+//=> ['01', '02', '03', '04', '05', 'a', 'b', 'c', 'd', 'e']
+```
+
+### Brace Expansion vs. Compilation
+
+By default, brace patterns are compiled into strings that are optimized for creating regular expressions and matching.
+
+**Compiled**
+
+```js
+console.log(braces('a/{x,y,z}/b'));
+//=> ['a/(x|y|z)/b']
+console.log(braces(['a/{01..20}/b', 'a/{1..5}/b']));
+//=> [ 'a/(0[1-9]|1[0-9]|20)/b', 'a/([1-5])/b' ]
+```
+
+**Expanded**
+
+Enable brace expansion by setting the `expand` option to true, or by using [braces.expand()](#expand) (returns an array similar to what you'd expect from Bash, or `echo {1..5}`, or [minimatch](https://github.com/isaacs/minimatch)):
+
+```js
+console.log(braces('a/{x,y,z}/b', { expand: true }));
+//=> ['a/x/b', 'a/y/b', 'a/z/b']
+
+console.log(braces.expand('{01..10}'));
+//=> ['01','02','03','04','05','06','07','08','09','10']
+```
+
+### Lists
+
+Expand lists (like Bash "sets"):
+
+```js
+console.log(braces('a/{foo,bar,baz}/*.js'));
+//=> ['a/(foo|bar|baz)/*.js']
+
+console.log(braces.expand('a/{foo,bar,baz}/*.js'));
+//=> ['a/foo/*.js', 'a/bar/*.js', 'a/baz/*.js']
+```
+
+### Sequences
+
+Expand ranges of characters (like Bash "sequences"):
+
+```js
+console.log(braces.expand('{1..3}')); // ['1', '2', '3']
+console.log(braces.expand('a/{1..3}/b')); // ['a/1/b', 'a/2/b', 'a/3/b']
+console.log(braces('{a..c}', { expand: true })); // ['a', 'b', 'c']
+console.log(braces('foo/{a..c}', { expand: true })); // ['foo/a', 'foo/b', 'foo/c']
+
+// supports zero-padded ranges
+console.log(braces('a/{01..03}/b')); //=> ['a/(0[1-3])/b']
+console.log(braces('a/{001..300}/b')); //=> ['a/(0{2}[1-9]|0[1-9][0-9]|[12][0-9]{2}|300)/b']
+```
+
+See [fill-range](https://github.com/jonschlinkert/fill-range) for all available range-expansion options.
+
+### Steppped ranges
+
+Steps, or increments, may be used with ranges:
+
+```js
+console.log(braces.expand('{2..10..2}'));
+//=> ['2', '4', '6', '8', '10']
+
+console.log(braces('{2..10..2}'));
+//=> ['(2|4|6|8|10)']
+```
+
+When the [.optimize](#optimize) method is used, or [options.optimize](#optionsoptimize) is set to true, sequences are passed to [to-regex-range](https://github.com/jonschlinkert/to-regex-range) for expansion.
+
+### Nesting
+
+Brace patterns may be nested. The results of each expanded string are not sorted, and left to right order is preserved.
+
+**"Expanded" braces**
+
+```js
+console.log(braces.expand('a{b,c,/{x,y}}/e'));
+//=> ['ab/e', 'ac/e', 'a/x/e', 'a/y/e']
+
+console.log(braces.expand('a/{x,{1..5},y}/c'));
+//=> ['a/x/c', 'a/1/c', 'a/2/c', 'a/3/c', 'a/4/c', 'a/5/c', 'a/y/c']
+```
+
+**"Optimized" braces**
+
+```js
+console.log(braces('a{b,c,/{x,y}}/e'));
+//=> ['a(b|c|/(x|y))/e']
+
+console.log(braces('a/{x,{1..5},y}/c'));
+//=> ['a/(x|([1-5])|y)/c']
+```
+
+### Escaping
+
+**Escaping braces**
+
+A brace pattern will not be expanded or evaluted if _either the opening or closing brace is escaped_:
+
+```js
+console.log(braces.expand('a\\{d,c,b}e'));
+//=> ['a{d,c,b}e']
+
+console.log(braces.expand('a{d,c,b\\}e'));
+//=> ['a{d,c,b}e']
+```
+
+**Escaping commas**
+
+Commas inside braces may also be escaped:
+
+```js
+console.log(braces.expand('a{b\\,c}d'));
+//=> ['a{b,c}d']
+
+console.log(braces.expand('a{d\\,c,b}e'));
+//=> ['ad,ce', 'abe']
+```
+
+**Single items**
+
+Following bash conventions, a brace pattern is also not expanded when it contains a single character:
+
+```js
+console.log(braces.expand('a{b}c'));
+//=> ['a{b}c']
+```
+
+## Options
+
+### options.maxLength
+
+**Type**: `Number`
+
+**Default**: `10,000`
+
+**Description**: Limit the length of the input string. Useful when the input string is generated or your application allows users to pass a string, et cetera.
+
+```js
+console.log(braces('a/{b,c}/d', { maxLength: 3 })); //=> throws an error
+```
+
+### options.expand
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: Generate an "expanded" brace pattern (alternatively you can use the `braces.expand()` method, which does the same thing).
+
+```js
+console.log(braces('a/{b,c}/d', { expand: true }));
+//=> [ 'a/b/d', 'a/c/d' ]
+```
+
+### options.nodupes
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: Remove duplicates from the returned array.
+
+### options.rangeLimit
+
+**Type**: `Number`
+
+**Default**: `1000`
+
+**Description**: To prevent malicious patterns from being passed by users, an error is thrown when `braces.expand()` is used or `options.expand` is true and the generated range will exceed the `rangeLimit`.
+
+You can customize `options.rangeLimit` or set it to `Inifinity` to disable this altogether.
+
+**Examples**
+
+```js
+// pattern exceeds the "rangeLimit", so it's optimized automatically
+console.log(braces.expand('{1..1000}'));
+//=> ['([1-9]|[1-9][0-9]{1,2}|1000)']
+
+// pattern does not exceed "rangeLimit", so it's NOT optimized
+console.log(braces.expand('{1..100}'));
+//=> ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '100']
+```
+
+### options.transform
+
+**Type**: `Function`
+
+**Default**: `undefined`
+
+**Description**: Customize range expansion.
+
+**Example: Transforming non-numeric values**
+
+```js
+const alpha = braces.expand('x/{a..e}/y', {
+  transform(value, index) {
+    // When non-numeric values are passed, "value" is a character code.
+    return 'foo/' + String.fromCharCode(value) + '-' + index;
+  },
+});
+console.log(alpha);
+//=> [ 'x/foo/a-0/y', 'x/foo/b-1/y', 'x/foo/c-2/y', 'x/foo/d-3/y', 'x/foo/e-4/y' ]
+```
+
+**Example: Transforming numeric values**
+
+```js
+const numeric = braces.expand('{1..5}', {
+  transform(value) {
+    // when numeric values are passed, "value" is a number
+    return 'foo/' + value * 2;
+  },
+});
+console.log(numeric);
+//=> [ 'foo/2', 'foo/4', 'foo/6', 'foo/8', 'foo/10' ]
+```
+
+### options.quantifiers
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: In regular expressions, quanitifiers can be used to specify how many times a token can be repeated. For example, `a{1,3}` will match the letter `a` one to three times.
+
+Unfortunately, regex quantifiers happen to share the same syntax as [Bash lists](#lists)
+
+The `quantifiers` option tells braces to detect when [regex quantifiers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#quantifiers) are defined in the given pattern, and not to try to expand them as lists.
+
+**Examples**
+
+```js
+const braces = require('braces');
+console.log(braces('a/b{1,3}/{x,y,z}'));
+//=> [ 'a/b(1|3)/(x|y|z)' ]
+console.log(braces('a/b{1,3}/{x,y,z}', { quantifiers: true }));
+//=> [ 'a/b{1,3}/(x|y|z)' ]
+console.log(braces('a/b{1,3}/{x,y,z}', { quantifiers: true, expand: true }));
+//=> [ 'a/b{1,3}/x', 'a/b{1,3}/y', 'a/b{1,3}/z' ]
+```
+
+### options.keepEscaping
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Description**: Do not strip backslashes that were used for escaping from the result.
+
+## What is "brace expansion"?
+
+Brace expansion is a type of parameter expansion that was made popular by unix shells for generating lists of strings, as well as regex-like matching when used alongside wildcards (globs).
+
+In addition to "expansion", braces are also used for matching. In other words:
+
+- [brace expansion](#brace-expansion) is for generating new lists
+- [brace matching](#brace-matching) is for filtering existing lists
+
+<details>
+<summary><strong>More about brace expansion</strong> (click to expand)</summary>
+
+There are two main types of brace expansion:
+
+1. **lists**: which are defined using comma-separated values inside curly braces: `{a,b,c}`
+2. **sequences**: which are defined using a starting value and an ending value, separated by two dots: `a{1..3}b`. Optionally, a third argument may be passed to define a "step" or increment to use: `a{1..100..10}b`. These are also sometimes referred to as "ranges".
+
+Here are some example brace patterns to illustrate how they work:
+
+**Sets**
+
+```
+{a,b,c}       => a b c
+{a,b,c}{1,2}  => a1 a2 b1 b2 c1 c2
+```
+
+**Sequences**
+
+```
+{1..9}        => 1 2 3 4 5 6 7 8 9
+{4..-4}       => 4 3 2 1 0 -1 -2 -3 -4
+{1..20..3}    => 1 4 7 10 13 16 19
+{a..j}        => a b c d e f g h i j
+{j..a}        => j i h g f e d c b a
+{a..z..3}     => a d g j m p s v y
+```
+
+**Combination**
+
+Sets and sequences can be mixed together or used along with any other strings.
+
+```
+{a,b,c}{1..3}   => a1 a2 a3 b1 b2 b3 c1 c2 c3
+foo/{a,b,c}/bar => foo/a/bar foo/b/bar foo/c/bar
+```
+
+The fact that braces can be "expanded" from relatively simple patterns makes them ideal for quickly generating test fixtures, file paths, and similar use cases.
+
+## Brace matching
+
+In addition to _expansion_, brace patterns are also useful for performing regular-expression-like matching.
+
+For example, the pattern `foo/{1..3}/bar` would match any of following strings:
+
+```
+foo/1/bar
+foo/2/bar
+foo/3/bar
+```
+
+But not:
+
+```
+baz/1/qux
+baz/2/qux
+baz/3/qux
+```
+
+Braces can also be combined with [glob patterns](https://github.com/jonschlinkert/micromatch) to perform more advanced wildcard matching. For example, the pattern `*/{1..3}/*` would match any of following strings:
+
+```
+foo/1/bar
+foo/2/bar
+foo/3/bar
+baz/1/qux
+baz/2/qux
+baz/3/qux
+```
+
+## Brace matching pitfalls
+
+Although brace patterns offer a user-friendly way of matching ranges or sets of strings, there are also some major disadvantages and potential risks you should be aware of.
+
+### tldr
+
+**"brace bombs"**
+
+- brace expansion can eat up a huge amount of processing resources
+- as brace patterns increase _linearly in size_, the system resources required to expand the pattern increase exponentially
+- users can accidentally (or intentially) exhaust your system's resources resulting in the equivalent of a DoS attack (bonus: no programming knowledge is required!)
+
+For a more detailed explanation with examples, see the [geometric complexity](#geometric-complexity) section.
+
+### The solution
+
+Jump to the [performance section](#performance) to see how Braces solves this problem in comparison to other libraries.
+
+### Geometric complexity
+
+At minimum, brace patterns with sets limited to two elements have quadradic or `O(n^2)` complexity. But the complexity of the algorithm increases exponentially as the number of sets, _and elements per set_, increases, which is `O(n^c)`.
+
+For example, the following sets demonstrate quadratic (`O(n^2)`) complexity:
+
+```
+{1,2}{3,4}      => (2X2)    => 13 14 23 24
+{1,2}{3,4}{5,6} => (2X2X2)  => 135 136 145 146 235 236 245 246
+```
+
+But add an element to a set, and we get a n-fold Cartesian product with `O(n^c)` complexity:
+
+```
+{1,2,3}{4,5,6}{7,8,9} => (3X3X3) => 147 148 149 157 158 159 167 168 169 247 248
+                                    249 257 258 259 267 268 269 347 348 349 357
+                                    358 359 367 368 369
+```
+
+Now, imagine how this complexity grows given that each element is a n-tuple:
+
+```
+{1..100}{1..100}         => (100X100)     => 10,000 elements (38.4 kB)
+{1..100}{1..100}{1..100} => (100X100X100) => 1,000,000 elements (5.76 MB)
+```
+
+Although these examples are clearly contrived, they demonstrate how brace patterns can quickly grow out of control.
+
+**More information**
+
+Interested in learning more about brace expansion?
+
+- [linuxjournal/bash-brace-expansion](http://www.linuxjournal.com/content/bash-brace-expansion)
+- [rosettacode/Brace_expansion](https://rosettacode.org/wiki/Brace_expansion)
+- [cartesian product](https://en.wikipedia.org/wiki/Cartesian_product)
+
+</details>
+
+## Performance
+
+Braces is not only screaming fast, it's also more accurate the other brace expansion libraries.
+
+### Better algorithms
+
+Fortunately there is a solution to the ["brace bomb" problem](#brace-matching-pitfalls): _don't expand brace patterns into an array when they're used for matching_.
+
+Instead, convert the pattern into an optimized regular expression. This is easier said than done, and braces is the only library that does this currently.
+
+**The proof is in the numbers**
+
+Minimatch gets exponentially slower as patterns increase in complexity, braces does not. The following results were generated using `braces()` and `minimatch.braceExpand()`, respectively.
+
+| **Pattern**                 | **braces**          | **[minimatch][]**            |
+| --------------------------- | ------------------- | ---------------------------- |
+| `{1..9007199254740991}`[^1] | `298 B` (5ms 459μs) | N/A (freezes)                |
+| `{1..1000000000000000}`     | `41 B` (1ms 15μs)   | N/A (freezes)                |
+| `{1..100000000000000}`      | `40 B` (890μs)      | N/A (freezes)                |
+| `{1..10000000000000}`       | `39 B` (2ms 49μs)   | N/A (freezes)                |
+| `{1..1000000000000}`        | `38 B` (608μs)      | N/A (freezes)                |
+| `{1..100000000000}`         | `37 B` (397μs)      | N/A (freezes)                |
+| `{1..10000000000}`          | `35 B` (983μs)      | N/A (freezes)                |
+| `{1..1000000000}`           | `34 B` (798μs)      | N/A (freezes)                |
+| `{1..100000000}`            | `33 B` (733μs)      | N/A (freezes)                |
+| `{1..10000000}`             | `32 B` (5ms 632μs)  | `78.89 MB` (16s 388ms 569μs) |
+| `{1..1000000}`              | `31 B` (1ms 381μs)  | `6.89 MB` (1s 496ms 887μs)   |
+| `{1..100000}`               | `30 B` (950μs)      | `588.89 kB` (146ms 921μs)    |
+| `{1..10000}`                | `29 B` (1ms 114μs)  | `48.89 kB` (14ms 187μs)      |
+| `{1..1000}`                 | `28 B` (760μs)      | `3.89 kB` (1ms 453μs)        |
+| `{1..100}`                  | `22 B` (345μs)      | `291 B` (196μs)              |
+| `{1..10}`                   | `10 B` (533μs)      | `20 B` (37μs)                |
+| `{1..3}`                    | `7 B` (190μs)       | `5 B` (27μs)                 |
+
+### Faster algorithms
+
+When you need expansion, braces is still much faster.
+
+_(the following results were generated using `braces.expand()` and `minimatch.braceExpand()`, respectively)_
+
+| **Pattern**     | **braces**                  | **[minimatch][]**            |
+| --------------- | --------------------------- | ---------------------------- |
+| `{1..10000000}` | `78.89 MB` (2s 698ms 642μs) | `78.89 MB` (18s 601ms 974μs) |
+| `{1..1000000}`  | `6.89 MB` (458ms 576μs)     | `6.89 MB` (1s 491ms 621μs)   |
+| `{1..100000}`   | `588.89 kB` (20ms 728μs)    | `588.89 kB` (156ms 919μs)    |
+| `{1..10000}`    | `48.89 kB` (2ms 202μs)      | `48.89 kB` (13ms 641μs)      |
+| `{1..1000}`     | `3.89 kB` (1ms 796μs)       | `3.89 kB` (1ms 958μs)        |
+| `{1..100}`      | `291 B` (424μs)             | `291 B` (211μs)              |
+| `{1..10}`       | `20 B` (487μs)              | `20 B` (72μs)                |
+| `{1..3}`        | `5 B` (166μs)               | `5 B` (27μs)                 |
+
+If you'd like to run these comparisons yourself, see [test/support/generate.js](test/support/generate.js).
+
+## Benchmarks
+
+### Running benchmarks
+
+Install dev dependencies:
+
+```bash
+npm i -d && npm benchmark
+```
+
+### Latest results
+
+Braces is more accurate, without sacrificing performance.
+
+```bash
+● expand - range (expanded)
+     braces x 53,167 ops/sec ±0.12% (102 runs sampled)
+  minimatch x 11,378 ops/sec ±0.10% (102 runs sampled)
+● expand - range (optimized for regex)
+     braces x 373,442 ops/sec ±0.04% (100 runs sampled)
+  minimatch x 3,262 ops/sec ±0.18% (100 runs sampled)
+● expand - nested ranges (expanded)
+     braces x 33,921 ops/sec ±0.09% (99 runs sampled)
+  minimatch x 10,855 ops/sec ±0.28% (100 runs sampled)
+● expand - nested ranges (optimized for regex)
+     braces x 287,479 ops/sec ±0.52% (98 runs sampled)
+  minimatch x 3,219 ops/sec ±0.28% (101 runs sampled)
+● expand - set (expanded)
+     braces x 238,243 ops/sec ±0.19% (97 runs sampled)
+  minimatch x 538,268 ops/sec ±0.31% (96 runs sampled)
+● expand - set (optimized for regex)
+     braces x 321,844 ops/sec ±0.10% (97 runs sampled)
+  minimatch x 140,600 ops/sec ±0.15% (100 runs sampled)
+● expand - nested sets (expanded)
+     braces x 165,371 ops/sec ±0.42% (96 runs sampled)
+  minimatch x 337,720 ops/sec ±0.28% (100 runs sampled)
+● expand - nested sets (optimized for regex)
+     braces x 242,948 ops/sec ±0.12% (99 runs sampled)
+  minimatch x 87,403 ops/sec ±0.79% (96 runs sampled)
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Contributors
+
+| **Commits** | **Contributor**                                               |
+| ----------- | ------------------------------------------------------------- |
+| 197         | [jonschlinkert](https://github.com/jonschlinkert)             |
+| 4           | [doowb](https://github.com/doowb)                             |
+| 1           | [es128](https://github.com/es128)                             |
+| 1           | [eush77](https://github.com/eush77)                           |
+| 1           | [hemanth](https://github.com/hemanth)                         |
+| 1           | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Author
+
+**Jon Schlinkert**
+
+- [GitHub Profile](https://github.com/jonschlinkert)
+- [Twitter Profile](https://twitter.com/jonschlinkert)
+- [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+### License
+
+Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+---
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 08, 2019._
diff --git a/node_modules/chokidar/node_modules/braces/index.js b/node_modules/chokidar/node_modules/braces/index.js
new file mode 100644
index 00000000..d222c13b
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/index.js
@@ -0,0 +1,170 @@
+'use strict';
+
+const stringify = require('./lib/stringify');
+const compile = require('./lib/compile');
+const expand = require('./lib/expand');
+const parse = require('./lib/parse');
+
+/**
+ * Expand the given pattern or create a regex-compatible string.
+ *
+ * ```js
+ * const braces = require('braces');
+ * console.log(braces('{a,b,c}', { compile: true })); //=> ['(a|b|c)']
+ * console.log(braces('{a,b,c}')); //=> ['a', 'b', 'c']
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+const braces = (input, options = {}) => {
+  let output = [];
+
+  if (Array.isArray(input)) {
+    for (const pattern of input) {
+      const result = braces.create(pattern, options);
+      if (Array.isArray(result)) {
+        output.push(...result);
+      } else {
+        output.push(result);
+      }
+    }
+  } else {
+    output = [].concat(braces.create(input, options));
+  }
+
+  if (options && options.expand === true && options.nodupes === true) {
+    output = [...new Set(output)];
+  }
+  return output;
+};
+
+/**
+ * Parse the given `str` with the given `options`.
+ *
+ * ```js
+ * // braces.parse(pattern, [, options]);
+ * const ast = braces.parse('a/{b,c}/d');
+ * console.log(ast);
+ * ```
+ * @param {String} pattern Brace pattern to parse
+ * @param {Object} options
+ * @return {Object} Returns an AST
+ * @api public
+ */
+
+braces.parse = (input, options = {}) => parse(input, options);
+
+/**
+ * Creates a braces string from an AST, or an AST node.
+ *
+ * ```js
+ * const braces = require('braces');
+ * let ast = braces.parse('foo/{a,b}/bar');
+ * console.log(stringify(ast.nodes[2])); //=> '{a,b}'
+ * ```
+ * @param {String} `input` Brace pattern or AST.
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.stringify = (input, options = {}) => {
+  if (typeof input === 'string') {
+    return stringify(braces.parse(input, options), options);
+  }
+  return stringify(input, options);
+};
+
+/**
+ * Compiles a brace pattern into a regex-compatible, optimized string.
+ * This method is called by the main [braces](#braces) function by default.
+ *
+ * ```js
+ * const braces = require('braces');
+ * console.log(braces.compile('a/{b,c}/d'));
+ * //=> ['a/(b|c)/d']
+ * ```
+ * @param {String} `input` Brace pattern or AST.
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.compile = (input, options = {}) => {
+  if (typeof input === 'string') {
+    input = braces.parse(input, options);
+  }
+  return compile(input, options);
+};
+
+/**
+ * Expands a brace pattern into an array. This method is called by the
+ * main [braces](#braces) function when `options.expand` is true. Before
+ * using this method it's recommended that you read the [performance notes](#performance))
+ * and advantages of using [.compile](#compile) instead.
+ *
+ * ```js
+ * const braces = require('braces');
+ * console.log(braces.expand('a/{b,c}/d'));
+ * //=> ['a/b/d', 'a/c/d'];
+ * ```
+ * @param {String} `pattern` Brace pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.expand = (input, options = {}) => {
+  if (typeof input === 'string') {
+    input = braces.parse(input, options);
+  }
+
+  let result = expand(input, options);
+
+  // filter out empty strings if specified
+  if (options.noempty === true) {
+    result = result.filter(Boolean);
+  }
+
+  // filter out duplicates if specified
+  if (options.nodupes === true) {
+    result = [...new Set(result)];
+  }
+
+  return result;
+};
+
+/**
+ * Processes a brace pattern and returns either an expanded array
+ * (if `options.expand` is true), a highly optimized regex-compatible string.
+ * This method is called by the main [braces](#braces) function.
+ *
+ * ```js
+ * const braces = require('braces');
+ * console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}'))
+ * //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)'
+ * ```
+ * @param {String} `pattern` Brace pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of expanded values.
+ * @api public
+ */
+
+braces.create = (input, options = {}) => {
+  if (input === '' || input.length < 3) {
+    return [input];
+  }
+
+  return options.expand !== true
+    ? braces.compile(input, options)
+    : braces.expand(input, options);
+};
+
+/**
+ * Expose "braces"
+ */
+
+module.exports = braces;
diff --git a/node_modules/chokidar/node_modules/braces/lib/compile.js b/node_modules/chokidar/node_modules/braces/lib/compile.js
new file mode 100644
index 00000000..dce69beb
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/compile.js
@@ -0,0 +1,60 @@
+'use strict';
+
+const fill = require('fill-range');
+const utils = require('./utils');
+
+const compile = (ast, options = {}) => {
+  const walk = (node, parent = {}) => {
+    const invalidBlock = utils.isInvalidBrace(parent);
+    const invalidNode = node.invalid === true && options.escapeInvalid === true;
+    const invalid = invalidBlock === true || invalidNode === true;
+    const prefix = options.escapeInvalid === true ? '\\' : '';
+    let output = '';
+
+    if (node.isOpen === true) {
+      return prefix + node.value;
+    }
+
+    if (node.isClose === true) {
+      console.log('node.isClose', prefix, node.value);
+      return prefix + node.value;
+    }
+
+    if (node.type === 'open') {
+      return invalid ? prefix + node.value : '(';
+    }
+
+    if (node.type === 'close') {
+      return invalid ? prefix + node.value : ')';
+    }
+
+    if (node.type === 'comma') {
+      return node.prev.type === 'comma' ? '' : invalid ? node.value : '|';
+    }
+
+    if (node.value) {
+      return node.value;
+    }
+
+    if (node.nodes && node.ranges > 0) {
+      const args = utils.reduce(node.nodes);
+      const range = fill(...args, { ...options, wrap: false, toRegex: true, strictZeros: true });
+
+      if (range.length !== 0) {
+        return args.length > 1 && range.length > 1 ? `(${range})` : range;
+      }
+    }
+
+    if (node.nodes) {
+      for (const child of node.nodes) {
+        output += walk(child, node);
+      }
+    }
+
+    return output;
+  };
+
+  return walk(ast);
+};
+
+module.exports = compile;
diff --git a/node_modules/chokidar/node_modules/braces/lib/constants.js b/node_modules/chokidar/node_modules/braces/lib/constants.js
new file mode 100644
index 00000000..2bb3b884
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/constants.js
@@ -0,0 +1,57 @@
+'use strict';
+
+module.exports = {
+  MAX_LENGTH: 10000,
+
+  // Digits
+  CHAR_0: '0', /* 0 */
+  CHAR_9: '9', /* 9 */
+
+  // Alphabet chars.
+  CHAR_UPPERCASE_A: 'A', /* A */
+  CHAR_LOWERCASE_A: 'a', /* a */
+  CHAR_UPPERCASE_Z: 'Z', /* Z */
+  CHAR_LOWERCASE_Z: 'z', /* z */
+
+  CHAR_LEFT_PARENTHESES: '(', /* ( */
+  CHAR_RIGHT_PARENTHESES: ')', /* ) */
+
+  CHAR_ASTERISK: '*', /* * */
+
+  // Non-alphabetic chars.
+  CHAR_AMPERSAND: '&', /* & */
+  CHAR_AT: '@', /* @ */
+  CHAR_BACKSLASH: '\\', /* \ */
+  CHAR_BACKTICK: '`', /* ` */
+  CHAR_CARRIAGE_RETURN: '\r', /* \r */
+  CHAR_CIRCUMFLEX_ACCENT: '^', /* ^ */
+  CHAR_COLON: ':', /* : */
+  CHAR_COMMA: ',', /* , */
+  CHAR_DOLLAR: '$', /* . */
+  CHAR_DOT: '.', /* . */
+  CHAR_DOUBLE_QUOTE: '"', /* " */
+  CHAR_EQUAL: '=', /* = */
+  CHAR_EXCLAMATION_MARK: '!', /* ! */
+  CHAR_FORM_FEED: '\f', /* \f */
+  CHAR_FORWARD_SLASH: '/', /* / */
+  CHAR_HASH: '#', /* # */
+  CHAR_HYPHEN_MINUS: '-', /* - */
+  CHAR_LEFT_ANGLE_BRACKET: '<', /* < */
+  CHAR_LEFT_CURLY_BRACE: '{', /* { */
+  CHAR_LEFT_SQUARE_BRACKET: '[', /* [ */
+  CHAR_LINE_FEED: '\n', /* \n */
+  CHAR_NO_BREAK_SPACE: '\u00A0', /* \u00A0 */
+  CHAR_PERCENT: '%', /* % */
+  CHAR_PLUS: '+', /* + */
+  CHAR_QUESTION_MARK: '?', /* ? */
+  CHAR_RIGHT_ANGLE_BRACKET: '>', /* > */
+  CHAR_RIGHT_CURLY_BRACE: '}', /* } */
+  CHAR_RIGHT_SQUARE_BRACKET: ']', /* ] */
+  CHAR_SEMICOLON: ';', /* ; */
+  CHAR_SINGLE_QUOTE: '\'', /* ' */
+  CHAR_SPACE: ' ', /*   */
+  CHAR_TAB: '\t', /* \t */
+  CHAR_UNDERSCORE: '_', /* _ */
+  CHAR_VERTICAL_LINE: '|', /* | */
+  CHAR_ZERO_WIDTH_NOBREAK_SPACE: '\uFEFF' /* \uFEFF */
+};
diff --git a/node_modules/chokidar/node_modules/braces/lib/expand.js b/node_modules/chokidar/node_modules/braces/lib/expand.js
new file mode 100644
index 00000000..35b2c41d
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/expand.js
@@ -0,0 +1,113 @@
+'use strict';
+
+const fill = require('fill-range');
+const stringify = require('./stringify');
+const utils = require('./utils');
+
+const append = (queue = '', stash = '', enclose = false) => {
+  const result = [];
+
+  queue = [].concat(queue);
+  stash = [].concat(stash);
+
+  if (!stash.length) return queue;
+  if (!queue.length) {
+    return enclose ? utils.flatten(stash).map(ele => `{${ele}}`) : stash;
+  }
+
+  for (const item of queue) {
+    if (Array.isArray(item)) {
+      for (const value of item) {
+        result.push(append(value, stash, enclose));
+      }
+    } else {
+      for (let ele of stash) {
+        if (enclose === true && typeof ele === 'string') ele = `{${ele}}`;
+        result.push(Array.isArray(ele) ? append(item, ele, enclose) : item + ele);
+      }
+    }
+  }
+  return utils.flatten(result);
+};
+
+const expand = (ast, options = {}) => {
+  const rangeLimit = options.rangeLimit === undefined ? 1000 : options.rangeLimit;
+
+  const walk = (node, parent = {}) => {
+    node.queue = [];
+
+    let p = parent;
+    let q = parent.queue;
+
+    while (p.type !== 'brace' && p.type !== 'root' && p.parent) {
+      p = p.parent;
+      q = p.queue;
+    }
+
+    if (node.invalid || node.dollar) {
+      q.push(append(q.pop(), stringify(node, options)));
+      return;
+    }
+
+    if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) {
+      q.push(append(q.pop(), ['{}']));
+      return;
+    }
+
+    if (node.nodes && node.ranges > 0) {
+      const args = utils.reduce(node.nodes);
+
+      if (utils.exceedsLimit(...args, options.step, rangeLimit)) {
+        throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
+      }
+
+      let range = fill(...args, options);
+      if (range.length === 0) {
+        range = stringify(node, options);
+      }
+
+      q.push(append(q.pop(), range));
+      node.nodes = [];
+      return;
+    }
+
+    const enclose = utils.encloseBrace(node);
+    let queue = node.queue;
+    let block = node;
+
+    while (block.type !== 'brace' && block.type !== 'root' && block.parent) {
+      block = block.parent;
+      queue = block.queue;
+    }
+
+    for (let i = 0; i < node.nodes.length; i++) {
+      const child = node.nodes[i];
+
+      if (child.type === 'comma' && node.type === 'brace') {
+        if (i === 1) queue.push('');
+        queue.push('');
+        continue;
+      }
+
+      if (child.type === 'close') {
+        q.push(append(q.pop(), queue, enclose));
+        continue;
+      }
+
+      if (child.value && child.type !== 'open') {
+        queue.push(append(queue.pop(), child.value));
+        continue;
+      }
+
+      if (child.nodes) {
+        walk(child, node);
+      }
+    }
+
+    return queue;
+  };
+
+  return utils.flatten(walk(ast));
+};
+
+module.exports = expand;
diff --git a/node_modules/chokidar/node_modules/braces/lib/parse.js b/node_modules/chokidar/node_modules/braces/lib/parse.js
new file mode 100644
index 00000000..3a6988e6
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/parse.js
@@ -0,0 +1,331 @@
+'use strict';
+
+const stringify = require('./stringify');
+
+/**
+ * Constants
+ */
+
+const {
+  MAX_LENGTH,
+  CHAR_BACKSLASH, /* \ */
+  CHAR_BACKTICK, /* ` */
+  CHAR_COMMA, /* , */
+  CHAR_DOT, /* . */
+  CHAR_LEFT_PARENTHESES, /* ( */
+  CHAR_RIGHT_PARENTHESES, /* ) */
+  CHAR_LEFT_CURLY_BRACE, /* { */
+  CHAR_RIGHT_CURLY_BRACE, /* } */
+  CHAR_LEFT_SQUARE_BRACKET, /* [ */
+  CHAR_RIGHT_SQUARE_BRACKET, /* ] */
+  CHAR_DOUBLE_QUOTE, /* " */
+  CHAR_SINGLE_QUOTE, /* ' */
+  CHAR_NO_BREAK_SPACE,
+  CHAR_ZERO_WIDTH_NOBREAK_SPACE
+} = require('./constants');
+
+/**
+ * parse
+ */
+
+const parse = (input, options = {}) => {
+  if (typeof input !== 'string') {
+    throw new TypeError('Expected a string');
+  }
+
+  const opts = options || {};
+  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+  if (input.length > max) {
+    throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`);
+  }
+
+  const ast = { type: 'root', input, nodes: [] };
+  const stack = [ast];
+  let block = ast;
+  let prev = ast;
+  let brackets = 0;
+  const length = input.length;
+  let index = 0;
+  let depth = 0;
+  let value;
+
+  /**
+   * Helpers
+   */
+
+  const advance = () => input[index++];
+  const push = node => {
+    if (node.type === 'text' && prev.type === 'dot') {
+      prev.type = 'text';
+    }
+
+    if (prev && prev.type === 'text' && node.type === 'text') {
+      prev.value += node.value;
+      return;
+    }
+
+    block.nodes.push(node);
+    node.parent = block;
+    node.prev = prev;
+    prev = node;
+    return node;
+  };
+
+  push({ type: 'bos' });
+
+  while (index < length) {
+    block = stack[stack.length - 1];
+    value = advance();
+
+    /**
+     * Invalid chars
+     */
+
+    if (value === CHAR_ZERO_WIDTH_NOBREAK_SPACE || value === CHAR_NO_BREAK_SPACE) {
+      continue;
+    }
+
+    /**
+     * Escaped chars
+     */
+
+    if (value === CHAR_BACKSLASH) {
+      push({ type: 'text', value: (options.keepEscaping ? value : '') + advance() });
+      continue;
+    }
+
+    /**
+     * Right square bracket (literal): ']'
+     */
+
+    if (value === CHAR_RIGHT_SQUARE_BRACKET) {
+      push({ type: 'text', value: '\\' + value });
+      continue;
+    }
+
+    /**
+     * Left square bracket: '['
+     */
+
+    if (value === CHAR_LEFT_SQUARE_BRACKET) {
+      brackets++;
+
+      let next;
+
+      while (index < length && (next = advance())) {
+        value += next;
+
+        if (next === CHAR_LEFT_SQUARE_BRACKET) {
+          brackets++;
+          continue;
+        }
+
+        if (next === CHAR_BACKSLASH) {
+          value += advance();
+          continue;
+        }
+
+        if (next === CHAR_RIGHT_SQUARE_BRACKET) {
+          brackets--;
+
+          if (brackets === 0) {
+            break;
+          }
+        }
+      }
+
+      push({ type: 'text', value });
+      continue;
+    }
+
+    /**
+     * Parentheses
+     */
+
+    if (value === CHAR_LEFT_PARENTHESES) {
+      block = push({ type: 'paren', nodes: [] });
+      stack.push(block);
+      push({ type: 'text', value });
+      continue;
+    }
+
+    if (value === CHAR_RIGHT_PARENTHESES) {
+      if (block.type !== 'paren') {
+        push({ type: 'text', value });
+        continue;
+      }
+      block = stack.pop();
+      push({ type: 'text', value });
+      block = stack[stack.length - 1];
+      continue;
+    }
+
+    /**
+     * Quotes: '|"|`
+     */
+
+    if (value === CHAR_DOUBLE_QUOTE || value === CHAR_SINGLE_QUOTE || value === CHAR_BACKTICK) {
+      const open = value;
+      let next;
+
+      if (options.keepQuotes !== true) {
+        value = '';
+      }
+
+      while (index < length && (next = advance())) {
+        if (next === CHAR_BACKSLASH) {
+          value += next + advance();
+          continue;
+        }
+
+        if (next === open) {
+          if (options.keepQuotes === true) value += next;
+          break;
+        }
+
+        value += next;
+      }
+
+      push({ type: 'text', value });
+      continue;
+    }
+
+    /**
+     * Left curly brace: '{'
+     */
+
+    if (value === CHAR_LEFT_CURLY_BRACE) {
+      depth++;
+
+      const dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
+      const brace = {
+        type: 'brace',
+        open: true,
+        close: false,
+        dollar,
+        depth,
+        commas: 0,
+        ranges: 0,
+        nodes: []
+      };
+
+      block = push(brace);
+      stack.push(block);
+      push({ type: 'open', value });
+      continue;
+    }
+
+    /**
+     * Right curly brace: '}'
+     */
+
+    if (value === CHAR_RIGHT_CURLY_BRACE) {
+      if (block.type !== 'brace') {
+        push({ type: 'text', value });
+        continue;
+      }
+
+      const type = 'close';
+      block = stack.pop();
+      block.close = true;
+
+      push({ type, value });
+      depth--;
+
+      block = stack[stack.length - 1];
+      continue;
+    }
+
+    /**
+     * Comma: ','
+     */
+
+    if (value === CHAR_COMMA && depth > 0) {
+      if (block.ranges > 0) {
+        block.ranges = 0;
+        const open = block.nodes.shift();
+        block.nodes = [open, { type: 'text', value: stringify(block) }];
+      }
+
+      push({ type: 'comma', value });
+      block.commas++;
+      continue;
+    }
+
+    /**
+     * Dot: '.'
+     */
+
+    if (value === CHAR_DOT && depth > 0 && block.commas === 0) {
+      const siblings = block.nodes;
+
+      if (depth === 0 || siblings.length === 0) {
+        push({ type: 'text', value });
+        continue;
+      }
+
+      if (prev.type === 'dot') {
+        block.range = [];
+        prev.value += value;
+        prev.type = 'range';
+
+        if (block.nodes.length !== 3 && block.nodes.length !== 5) {
+          block.invalid = true;
+          block.ranges = 0;
+          prev.type = 'text';
+          continue;
+        }
+
+        block.ranges++;
+        block.args = [];
+        continue;
+      }
+
+      if (prev.type === 'range') {
+        siblings.pop();
+
+        const before = siblings[siblings.length - 1];
+        before.value += prev.value + value;
+        prev = before;
+        block.ranges--;
+        continue;
+      }
+
+      push({ type: 'dot', value });
+      continue;
+    }
+
+    /**
+     * Text
+     */
+
+    push({ type: 'text', value });
+  }
+
+  // Mark imbalanced braces and brackets as invalid
+  do {
+    block = stack.pop();
+
+    if (block.type !== 'root') {
+      block.nodes.forEach(node => {
+        if (!node.nodes) {
+          if (node.type === 'open') node.isOpen = true;
+          if (node.type === 'close') node.isClose = true;
+          if (!node.nodes) node.type = 'text';
+          node.invalid = true;
+        }
+      });
+
+      // get the location of the block on parent.nodes (block's siblings)
+      const parent = stack[stack.length - 1];
+      const index = parent.nodes.indexOf(block);
+      // replace the (invalid) block with it's nodes
+      parent.nodes.splice(index, 1, ...block.nodes);
+    }
+  } while (stack.length > 0);
+
+  push({ type: 'eos' });
+  return ast;
+};
+
+module.exports = parse;
diff --git a/node_modules/chokidar/node_modules/braces/lib/stringify.js b/node_modules/chokidar/node_modules/braces/lib/stringify.js
new file mode 100644
index 00000000..8bcf872c
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/stringify.js
@@ -0,0 +1,32 @@
+'use strict';
+
+const utils = require('./utils');
+
+module.exports = (ast, options = {}) => {
+  const stringify = (node, parent = {}) => {
+    const invalidBlock = options.escapeInvalid && utils.isInvalidBrace(parent);
+    const invalidNode = node.invalid === true && options.escapeInvalid === true;
+    let output = '';
+
+    if (node.value) {
+      if ((invalidBlock || invalidNode) && utils.isOpenOrClose(node)) {
+        return '\\' + node.value;
+      }
+      return node.value;
+    }
+
+    if (node.value) {
+      return node.value;
+    }
+
+    if (node.nodes) {
+      for (const child of node.nodes) {
+        output += stringify(child);
+      }
+    }
+    return output;
+  };
+
+  return stringify(ast);
+};
+
diff --git a/node_modules/chokidar/node_modules/braces/lib/utils.js b/node_modules/chokidar/node_modules/braces/lib/utils.js
new file mode 100644
index 00000000..d19311fe
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/lib/utils.js
@@ -0,0 +1,122 @@
+'use strict';
+
+exports.isInteger = num => {
+  if (typeof num === 'number') {
+    return Number.isInteger(num);
+  }
+  if (typeof num === 'string' && num.trim() !== '') {
+    return Number.isInteger(Number(num));
+  }
+  return false;
+};
+
+/**
+ * Find a node of the given type
+ */
+
+exports.find = (node, type) => node.nodes.find(node => node.type === type);
+
+/**
+ * Find a node of the given type
+ */
+
+exports.exceedsLimit = (min, max, step = 1, limit) => {
+  if (limit === false) return false;
+  if (!exports.isInteger(min) || !exports.isInteger(max)) return false;
+  return ((Number(max) - Number(min)) / Number(step)) >= limit;
+};
+
+/**
+ * Escape the given node with '\\' before node.value
+ */
+
+exports.escapeNode = (block, n = 0, type) => {
+  const node = block.nodes[n];
+  if (!node) return;
+
+  if ((type && node.type === type) || node.type === 'open' || node.type === 'close') {
+    if (node.escaped !== true) {
+      node.value = '\\' + node.value;
+      node.escaped = true;
+    }
+  }
+};
+
+/**
+ * Returns true if the given brace node should be enclosed in literal braces
+ */
+
+exports.encloseBrace = node => {
+  if (node.type !== 'brace') return false;
+  if ((node.commas >> 0 + node.ranges >> 0) === 0) {
+    node.invalid = true;
+    return true;
+  }
+  return false;
+};
+
+/**
+ * Returns true if a brace node is invalid.
+ */
+
+exports.isInvalidBrace = block => {
+  if (block.type !== 'brace') return false;
+  if (block.invalid === true || block.dollar) return true;
+  if ((block.commas >> 0 + block.ranges >> 0) === 0) {
+    block.invalid = true;
+    return true;
+  }
+  if (block.open !== true || block.close !== true) {
+    block.invalid = true;
+    return true;
+  }
+  return false;
+};
+
+/**
+ * Returns true if a node is an open or close node
+ */
+
+exports.isOpenOrClose = node => {
+  if (node.type === 'open' || node.type === 'close') {
+    return true;
+  }
+  return node.open === true || node.close === true;
+};
+
+/**
+ * Reduce an array of text nodes.
+ */
+
+exports.reduce = nodes => nodes.reduce((acc, node) => {
+  if (node.type === 'text') acc.push(node.value);
+  if (node.type === 'range') node.type = 'text';
+  return acc;
+}, []);
+
+/**
+ * Flatten an array
+ */
+
+exports.flatten = (...args) => {
+  const result = [];
+
+  const flat = arr => {
+    for (let i = 0; i < arr.length; i++) {
+      const ele = arr[i];
+
+      if (Array.isArray(ele)) {
+        flat(ele);
+        continue;
+      }
+
+      if (ele !== undefined) {
+        result.push(ele);
+      }
+    }
+    return result;
+  };
+
+  flat(args);
+  return result;
+};
diff --git a/node_modules/chokidar/node_modules/braces/package.json b/node_modules/chokidar/node_modules/braces/package.json
new file mode 100644
index 00000000..c3c056e4
--- /dev/null
+++ b/node_modules/chokidar/node_modules/braces/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "braces",
+  "description": "Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.",
+  "version": "3.0.3",
+  "homepage": "https://github.com/micromatch/braces",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Elan Shanker (https://github.com/es128)",
+    "Eugene Sharygin (https://github.com/eush77)",
+    "hemanth.hm (http://h3manth.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "micromatch/braces",
+  "bugs": {
+    "url": "https://github.com/micromatch/braces/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=8"
+  },
+  "scripts": {
+    "test": "mocha",
+    "benchmark": "node benchmark"
+  },
+  "dependencies": {
+    "fill-range": "^7.1.1"
+  },
+  "devDependencies": {
+    "ansi-colors": "^3.2.4",
+    "bash-path": "^2.0.1",
+    "gulp-format-md": "^2.0.0",
+    "mocha": "^6.1.1"
+  },
+  "keywords": [
+    "alpha",
+    "alphabetical",
+    "bash",
+    "brace",
+    "braces",
+    "expand",
+    "expansion",
+    "filepath",
+    "fill",
+    "fs",
+    "glob",
+    "globbing",
+    "letter",
+    "match",
+    "matches",
+    "matching",
+    "number",
+    "numerical",
+    "path",
+    "range",
+    "ranges",
+    "sh"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "plugins": [
+      "gulp-format-md"
+    ]
+  }
+}
diff --git a/node_modules/chokidar/node_modules/fill-range/LICENSE b/node_modules/chokidar/node_modules/fill-range/LICENSE
new file mode 100644
index 00000000..9af4a67d
--- /dev/null
+++ b/node_modules/chokidar/node_modules/fill-range/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/chokidar/node_modules/fill-range/README.md b/node_modules/chokidar/node_modules/fill-range/README.md
new file mode 100644
index 00000000..8d756fe9
--- /dev/null
+++ b/node_modules/chokidar/node_modules/fill-range/README.md
@@ -0,0 +1,237 @@
+# fill-range [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W8YFZ425KND68) [![NPM version](https://img.shields.io/npm/v/fill-range.svg?style=flat)](https://www.npmjs.com/package/fill-range) [![NPM monthly downloads](https://img.shields.io/npm/dm/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range) [![NPM total downloads](https://img.shields.io/npm/dt/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/fill-range.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/fill-range)
+
+> Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save fill-range
+```
+
+## Usage
+
+Expands numbers and letters, optionally using a `step` as the last argument. _(Numbers may be defined as JavaScript numbers or strings)_.
+
+```js
+const fill = require('fill-range');
+// fill(from, to[, step, options]);
+
+console.log(fill('1', '10')); //=> ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10']
+console.log(fill('1', '10', { toRegex: true })); //=> [1-9]|10
+```
+
+**Params**
+
+* `from`: **{String|Number}** the number or letter to start with
+* `to`: **{String|Number}** the number or letter to end with
+* `step`: **{String|Number|Object|Function}** Optionally pass a [step](#optionsstep) to use.
+* `options`: **{Object|Function}**: See all available [options](#options)
+
+## Examples
+
+By default, an array of values is returned.
+
+**Alphabetical ranges**
+
+```js
+console.log(fill('a', 'e')); //=> ['a', 'b', 'c', 'd', 'e']
+console.log(fill('A', 'E')); //=> [ 'A', 'B', 'C', 'D', 'E' ]
+```
+
+**Numerical ranges**
+
+Numbers can be defined as actual numbers or strings.
+
+```js
+console.log(fill(1, 5));     //=> [ 1, 2, 3, 4, 5 ]
+console.log(fill('1', '5')); //=> [ 1, 2, 3, 4, 5 ]
+```
+
+**Negative ranges**
+
+Numbers can be defined as actual numbers or strings.
+
+```js
+console.log(fill('-5', '-1')); //=> [ '-5', '-4', '-3', '-2', '-1' ]
+console.log(fill('-5', '5')); //=> [ '-5', '-4', '-3', '-2', '-1', '0', '1', '2', '3', '4', '5' ]
+```
+
+**Steps (increments)**
+
+```js
+// numerical ranges with increments
+console.log(fill('0', '25', 4)); //=> [ '0', '4', '8', '12', '16', '20', '24' ]
+console.log(fill('0', '25', 5)); //=> [ '0', '5', '10', '15', '20', '25' ]
+console.log(fill('0', '25', 6)); //=> [ '0', '6', '12', '18', '24' ]
+
+// alphabetical ranges with increments
+console.log(fill('a', 'z', 4)); //=> [ 'a', 'e', 'i', 'm', 'q', 'u', 'y' ]
+console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
+console.log(fill('a', 'z', 6)); //=> [ 'a', 'g', 'm', 's', 'y' ]
+```
+
+## Options
+
+### options.step
+
+**Type**: `number` (formatted as a string or number)
+
+**Default**: `undefined`
+
+**Description**: The increment to use for the range. Can be used with letters or numbers.
+
+**Example(s)**
+
+```js
+// numbers
+console.log(fill('1', '10', 2)); //=> [ '1', '3', '5', '7', '9' ]
+console.log(fill('1', '10', 3)); //=> [ '1', '4', '7', '10' ]
+console.log(fill('1', '10', 4)); //=> [ '1', '5', '9' ]
+
+// letters
+console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
+console.log(fill('a', 'z', 7)); //=> [ 'a', 'h', 'o', 'v' ]
+console.log(fill('a', 'z', 9)); //=> [ 'a', 'j', 's' ]
+```
+
+### options.strictRanges
+
+**Type**: `boolean`
+
+**Default**: `false`
+
+**Description**: By default, `null` is returned when an invalid range is passed. Enable this option to throw a `RangeError` on invalid ranges.
+
+**Example(s)**
+
+The following are all invalid:
+
+```js
+fill('1.1', '2');   // decimals not supported in ranges
+fill('a', '2');     // incompatible range values
+fill(1, 10, 'foo'); // invalid "step" argument
+```
+
+### options.stringify
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+**Description**: Cast all returned values to strings. By default, integers are returned as numbers.
+
+**Example(s)**
+
+```js
+console.log(fill(1, 5));                    //=> [ 1, 2, 3, 4, 5 ]
+console.log(fill(1, 5, { stringify: true })); //=> [ '1', '2', '3', '4', '5' ]
+```
+
+### options.toRegex
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+**Description**: Create a regex-compatible source string, instead of expanding values to an array.
+
+**Example(s)**
+
+```js
+// alphabetical range
+console.log(fill('a', 'e', { toRegex: true })); //=> '[a-e]'
+// alphabetical with step
+console.log(fill('a', 'z', 3, { toRegex: true })); //=> 'a|d|g|j|m|p|s|v|y'
+// numerical range
+console.log(fill('1', '100', { toRegex: true })); //=> '[1-9]|[1-9][0-9]|100'
+// numerical range with zero padding
+console.log(fill('000001', '100000', { toRegex: true }));
+//=> '0{5}[1-9]|0{4}[1-9][0-9]|0{3}[1-9][0-9]{2}|0{2}[1-9][0-9]{3}|0[1-9][0-9]{4}|100000'
+```
+
+### options.transform
+
+**Type**: `function`
+
+**Default**: `undefined`
+
+**Description**: Customize each value in the returned array (or [string](#optionstoRegex)). _(you can also pass this function as the last argument to `fill()`)_.
+
+**Example(s)**
+
+```js
+// add zero padding
+console.log(fill(1, 5, value => String(value).padStart(4, '0')));
+//=> ['0001', '0002', '0003', '0004', '0005']
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 116 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 4   | [paulmillr](https://github.com/paulmillr) |  
+| 2   | [realityking](https://github.com/realityking) |  
+| 2   | [bluelovers](https://github.com/bluelovers) |  
+| 1   | [edorivai](https://github.com/edorivai) |  
+| 1   | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |  
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+Please consider supporting me on Patreon, or [start your own Patreon page](https://patreon.com/invite/bxpbvm)!
+
+<a href="https://www.patreon.com/jonschlinkert">
+<img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" height="50">
+</a>
+
+### License
+
+Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 08, 2019._
\ No newline at end of file
diff --git a/node_modules/chokidar/node_modules/fill-range/index.js b/node_modules/chokidar/node_modules/fill-range/index.js
new file mode 100644
index 00000000..ddb212ee
--- /dev/null
+++ b/node_modules/chokidar/node_modules/fill-range/index.js
@@ -0,0 +1,248 @@
+/*!
+ * fill-range <https://github.com/jonschlinkert/fill-range>
+ *
+ * Copyright (c) 2014-present, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+const util = require('util');
+const toRegexRange = require('to-regex-range');
+
+const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
+
+const transform = toNumber => {
+  return value => toNumber === true ? Number(value) : String(value);
+};
+
+const isValidValue = value => {
+  return typeof value === 'number' || (typeof value === 'string' && value !== '');
+};
+
+const isNumber = num => Number.isInteger(+num);
+
+const zeros = input => {
+  let value = `${input}`;
+  let index = -1;
+  if (value[0] === '-') value = value.slice(1);
+  if (value === '0') return false;
+  while (value[++index] === '0');
+  return index > 0;
+};
+
+const stringify = (start, end, options) => {
+  if (typeof start === 'string' || typeof end === 'string') {
+    return true;
+  }
+  return options.stringify === true;
+};
+
+const pad = (input, maxLength, toNumber) => {
+  if (maxLength > 0) {
+    let dash = input[0] === '-' ? '-' : '';
+    if (dash) input = input.slice(1);
+    input = (dash + input.padStart(dash ? maxLength - 1 : maxLength, '0'));
+  }
+  if (toNumber === false) {
+    return String(input);
+  }
+  return input;
+};
+
+const toMaxLen = (input, maxLength) => {
+  let negative = input[0] === '-' ? '-' : '';
+  if (negative) {
+    input = input.slice(1);
+    maxLength--;
+  }
+  while (input.length < maxLength) input = '0' + input;
+  return negative ? ('-' + input) : input;
+};
+
+const toSequence = (parts, options, maxLen) => {
+  parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
+  parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
+
+  let prefix = options.capture ? '' : '?:';
+  let positives = '';
+  let negatives = '';
+  let result;
+
+  if (parts.positives.length) {
+    positives = parts.positives.map(v => toMaxLen(String(v), maxLen)).join('|');
+  }
+
+  if (parts.negatives.length) {
+    negatives = `-(${prefix}${parts.negatives.map(v => toMaxLen(String(v), maxLen)).join('|')})`;
+  }
+
+  if (positives && negatives) {
+    result = `${positives}|${negatives}`;
+  } else {
+    result = positives || negatives;
+  }
+
+  if (options.wrap) {
+    return `(${prefix}${result})`;
+  }
+
+  return result;
+};
+
+const toRange = (a, b, isNumbers, options) => {
+  if (isNumbers) {
+    return toRegexRange(a, b, { wrap: false, ...options });
+  }
+
+  let start = String.fromCharCode(a);
+  if (a === b) return start;
+
+  let stop = String.fromCharCode(b);
+  return `[${start}-${stop}]`;
+};
+
+const toRegex = (start, end, options) => {
+  if (Array.isArray(start)) {
+    let wrap = options.wrap === true;
+    let prefix = options.capture ? '' : '?:';
+    return wrap ? `(${prefix}${start.join('|')})` : start.join('|');
+  }
+  return toRegexRange(start, end, options);
+};
+
+const rangeError = (...args) => {
+  return new RangeError('Invalid range arguments: ' + util.inspect(...args));
+};
+
+const invalidRange = (start, end, options) => {
+  if (options.strictRanges === true) throw rangeError([start, end]);
+  return [];
+};
+
+const invalidStep = (step, options) => {
+  if (options.strictRanges === true) {
+    throw new TypeError(`Expected step "${step}" to be a number`);
+  }
+  return [];
+};
+
+const fillNumbers = (start, end, step = 1, options = {}) => {
+  let a = Number(start);
+  let b = Number(end);
+
+  if (!Number.isInteger(a) || !Number.isInteger(b)) {
+    if (options.strictRanges === true) throw rangeError([start, end]);
+    return [];
+  }
+
+  // fix negative zero
+  if (a === 0) a = 0;
+  if (b === 0) b = 0;
+
+  let descending = a > b;
+  let startString = String(start);
+  let endString = String(end);
+  let stepString = String(step);
+  step = Math.max(Math.abs(step), 1);
+
+  let padded = zeros(startString) || zeros(endString) || zeros(stepString);
+  let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0;
+  let toNumber = padded === false && stringify(start, end, options) === false;
+  let format = options.transform || transform(toNumber);
+
+  if (options.toRegex && step === 1) {
+    return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options);
+  }
+
+  let parts = { negatives: [], positives: [] };
+  let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num));
+  let range = [];
+  let index = 0;
+
+  while (descending ? a >= b : a <= b) {
+    if (options.toRegex === true && step > 1) {
+      push(a);
+    } else {
+      range.push(pad(format(a, index), maxLen, toNumber));
+    }
+    a = descending ? a - step : a + step;
+    index++;
+  }
+
+  if (options.toRegex === true) {
+    return step > 1
+      ? toSequence(parts, options, maxLen)
+      : toRegex(range, null, { wrap: false, ...options });
+  }
+
+  return range;
+};
+
+const fillLetters = (start, end, step = 1, options = {}) => {
+  if ((!isNumber(start) && start.length > 1) || (!isNumber(end) && end.length > 1)) {
+    return invalidRange(start, end, options);
+  }
+
+  let format = options.transform || (val => String.fromCharCode(val));
+  let a = `${start}`.charCodeAt(0);
+  let b = `${end}`.charCodeAt(0);
+
+  let descending = a > b;
+  let min = Math.min(a, b);
+  let max = Math.max(a, b);
+
+  if (options.toRegex && step === 1) {
+    return toRange(min, max, false, options);
+  }
+
+  let range = [];
+  let index = 0;
+
+  while (descending ? a >= b : a <= b) {
+    range.push(format(a, index));
+    a = descending ? a - step : a + step;
+    index++;
+  }
+
+  if (options.toRegex === true) {
+    return toRegex(range, null, { wrap: false, options });
+  }
+
+  return range;
+};
+
+const fill = (start, end, step, options = {}) => {
+  if (end == null && isValidValue(start)) {
+    return [start];
+  }
+
+  if (!isValidValue(start) || !isValidValue(end)) {
+    return invalidRange(start, end, options);
+  }
+
+  if (typeof step === 'function') {
+    return fill(start, end, 1, { transform: step });
+  }
+
+  if (isObject(step)) {
+    return fill(start, end, 0, step);
+  }
+
+  let opts = { ...options };
+  if (opts.capture === true) opts.wrap = true;
+  step = step || opts.step || 1;
+
+  if (!isNumber(step)) {
+    if (step != null && !isObject(step)) return invalidStep(step, opts);
+    return fill(start, end, 1, step);
+  }
+
+  if (isNumber(start) && isNumber(end)) {
+    return fillNumbers(start, end, step, opts);
+  }
+
+  return fillLetters(start, end, Math.max(Math.abs(step), 1), opts);
+};
+
+module.exports = fill;
diff --git a/node_modules/chokidar/node_modules/fill-range/package.json b/node_modules/chokidar/node_modules/fill-range/package.json
new file mode 100644
index 00000000..582357fb
--- /dev/null
+++ b/node_modules/chokidar/node_modules/fill-range/package.json
@@ -0,0 +1,74 @@
+{
+  "name": "fill-range",
+  "description": "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`",
+  "version": "7.1.1",
+  "homepage": "https://github.com/jonschlinkert/fill-range",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Edo Rivai (edo.rivai.nl)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Paul Miller (paulmillr.com)",
+    "Rouven Weßling (www.rouvenwessling.de)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "jonschlinkert/fill-range",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/fill-range/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=8"
+  },
+  "scripts": {
+    "lint": "eslint --cache --cache-location node_modules/.cache/.eslintcache --report-unused-disable-directives --ignore-path .gitignore .",
+    "mocha": "mocha --reporter dot",
+    "test": "npm run lint && npm run mocha",
+    "test:ci": "npm run test:cover",
+    "test:cover": "nyc npm run mocha"
+  },
+  "dependencies": {
+    "to-regex-range": "^5.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^2.0.0",
+    "mocha": "^6.1.1",
+    "nyc": "^15.1.0"
+  },
+  "keywords": [
+    "alpha",
+    "alphabetical",
+    "array",
+    "bash",
+    "brace",
+    "expand",
+    "expansion",
+    "fill",
+    "glob",
+    "match",
+    "matches",
+    "matching",
+    "number",
+    "numerical",
+    "range",
+    "ranges",
+    "regex",
+    "sh"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/chokidar/node_modules/is-number/LICENSE b/node_modules/chokidar/node_modules/is-number/LICENSE
new file mode 100644
index 00000000..9af4a67d
--- /dev/null
+++ b/node_modules/chokidar/node_modules/is-number/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/chokidar/node_modules/is-number/README.md b/node_modules/chokidar/node_modules/is-number/README.md
new file mode 100644
index 00000000..eb8149e8
--- /dev/null
+++ b/node_modules/chokidar/node_modules/is-number/README.md
@@ -0,0 +1,187 @@
+# is-number [![NPM version](https://img.shields.io/npm/v/is-number.svg?style=flat)](https://www.npmjs.com/package/is-number) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-number.svg?style=flat)](https://npmjs.org/package/is-number) [![NPM total downloads](https://img.shields.io/npm/dt/is-number.svg?style=flat)](https://npmjs.org/package/is-number) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/is-number.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/is-number)
+
+> Returns true if the value is a finite number.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-number
+```
+
+## Why is this needed?
+
+In JavaScript, it's not always as straightforward as it should be to reliably check if a value is a number. It's common for devs to use `+`, `-`, or `Number()` to cast a string value to a number (for example, when values are returned from user input, regex matches, parsers, etc). But there are many non-intuitive edge cases that yield unexpected results:
+
+```js
+console.log(+[]); //=> 0
+console.log(+''); //=> 0
+console.log(+'   '); //=> 0
+console.log(typeof NaN); //=> 'number'
+```
+
+This library offers a performant way to smooth out edge cases like these.
+
+## Usage
+
+```js
+const isNumber = require('is-number');
+```
+
+See the [tests](./test.js) for more examples.
+
+### true
+
+```js
+isNumber(5e3);               // true
+isNumber(0xff);              // true
+isNumber(-1.1);              // true
+isNumber(0);                 // true
+isNumber(1);                 // true
+isNumber(1.1);               // true
+isNumber(10);                // true
+isNumber(10.10);             // true
+isNumber(100);               // true
+isNumber('-1.1');            // true
+isNumber('0');               // true
+isNumber('012');             // true
+isNumber('0xff');            // true
+isNumber('1');               // true
+isNumber('1.1');             // true
+isNumber('10');              // true
+isNumber('10.10');           // true
+isNumber('100');             // true
+isNumber('5e3');             // true
+isNumber(parseInt('012'));   // true
+isNumber(parseFloat('012')); // true
+```
+
+### False
+
+Everything else is false, as you would expect:
+
+```js
+isNumber(Infinity);          // false
+isNumber(NaN);               // false
+isNumber(null);              // false
+isNumber(undefined);         // false
+isNumber('');                // false
+isNumber('   ');             // false
+isNumber('foo');             // false
+isNumber([1]);               // false
+isNumber([]);                // false
+isNumber(function () {});    // false
+isNumber({});                // false
+```
+
+## Release history
+
+### 7.0.0
+
+* Refactor. Now uses `.isFinite` if it exists.
+* Performance is about the same as v6.0 when the value is a string or number. But it's now 3x-4x faster when the value is not a string or number.
+
+### 6.0.0
+
+* Optimizations, thanks to @benaadams.
+
+### 5.0.0
+
+**Breaking changes**
+
+* removed support for `instanceof Number` and `instanceof String`
+
+## Benchmarks
+
+As with all benchmarks, take these with a grain of salt. See the [benchmarks](./benchmark/index.js) for more detail.
+
+```
+# all
+v7.0 x 413,222 ops/sec ±2.02% (86 runs sampled)
+v6.0 x 111,061 ops/sec ±1.29% (85 runs sampled)
+parseFloat x 317,596 ops/sec ±1.36% (86 runs sampled)
+fastest is 'v7.0'
+
+# string
+v7.0 x 3,054,496 ops/sec ±1.05% (89 runs sampled)
+v6.0 x 2,957,781 ops/sec ±0.98% (88 runs sampled)
+parseFloat x 3,071,060 ops/sec ±1.13% (88 runs sampled)
+fastest is 'parseFloat,v7.0'
+
+# number
+v7.0 x 3,146,895 ops/sec ±0.89% (89 runs sampled)
+v6.0 x 3,214,038 ops/sec ±1.07% (89 runs sampled)
+parseFloat x 3,077,588 ops/sec ±1.07% (87 runs sampled)
+fastest is 'v6.0'
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 49 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 5 | [charlike-old](https://github.com/charlike-old) |
+| 1 | [benaadams](https://github.com/benaadams) |
+| 1 | [realityking](https://github.com/realityking) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 15, 2018._
\ No newline at end of file
diff --git a/node_modules/chokidar/node_modules/is-number/index.js b/node_modules/chokidar/node_modules/is-number/index.js
new file mode 100644
index 00000000..27f19b75
--- /dev/null
+++ b/node_modules/chokidar/node_modules/is-number/index.js
@@ -0,0 +1,18 @@
+/*!
+ * is-number <https://github.com/jonschlinkert/is-number>
+ *
+ * Copyright (c) 2014-present, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function(num) {
+  if (typeof num === 'number') {
+    return num - num === 0;
+  }
+  if (typeof num === 'string' && num.trim() !== '') {
+    return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
+  }
+  return false;
+};
diff --git a/node_modules/chokidar/node_modules/is-number/package.json b/node_modules/chokidar/node_modules/is-number/package.json
new file mode 100644
index 00000000..37150726
--- /dev/null
+++ b/node_modules/chokidar/node_modules/is-number/package.json
@@ -0,0 +1,82 @@
+{
+  "name": "is-number",
+  "description": "Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.",
+  "version": "7.0.0",
+  "homepage": "https://github.com/jonschlinkert/is-number",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Olsten Larck (https://i.am.charlike.online)",
+    "Rouven Weßling (www.rouvenwessling.de)"
+  ],
+  "repository": "jonschlinkert/is-number",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-number/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.12.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "ansi": "^0.3.1",
+    "benchmark": "^2.1.4",
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "cast",
+    "check",
+    "coerce",
+    "coercion",
+    "finite",
+    "integer",
+    "is",
+    "isnan",
+    "is-nan",
+    "is-num",
+    "is-number",
+    "isnumber",
+    "isfinite",
+    "istype",
+    "kind",
+    "math",
+    "nan",
+    "num",
+    "number",
+    "numeric",
+    "parseFloat",
+    "parseInt",
+    "test",
+    "type",
+    "typeof",
+    "value"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "related": {
+      "list": [
+        "is-plain-object",
+        "is-primitive",
+        "isobject",
+        "kind-of"
+      ]
+    },
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/chokidar/node_modules/to-regex-range/LICENSE b/node_modules/chokidar/node_modules/to-regex-range/LICENSE
new file mode 100644
index 00000000..7cccaf9e
--- /dev/null
+++ b/node_modules/chokidar/node_modules/to-regex-range/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/chokidar/node_modules/to-regex-range/README.md b/node_modules/chokidar/node_modules/to-regex-range/README.md
new file mode 100644
index 00000000..38887daf
--- /dev/null
+++ b/node_modules/chokidar/node_modules/to-regex-range/README.md
@@ -0,0 +1,305 @@
+# to-regex-range [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W8YFZ425KND68) [![NPM version](https://img.shields.io/npm/v/to-regex-range.svg?style=flat)](https://www.npmjs.com/package/to-regex-range) [![NPM monthly downloads](https://img.shields.io/npm/dm/to-regex-range.svg?style=flat)](https://npmjs.org/package/to-regex-range) [![NPM total downloads](https://img.shields.io/npm/dt/to-regex-range.svg?style=flat)](https://npmjs.org/package/to-regex-range) [![Linux Build Status](https://img.shields.io/travis/micromatch/to-regex-range.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/to-regex-range)
+
+> Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save to-regex-range
+```
+
+<details>
+<summary><strong>What does this do?</strong></summary>
+
+<br>
+
+This libary generates the `source` string to be passed to `new RegExp()` for matching a range of numbers.
+
+**Example**
+
+```js
+const toRegexRange = require('to-regex-range');
+const regex = new RegExp(toRegexRange('15', '95'));
+```
+
+A string is returned so that you can do whatever you need with it before passing it to `new RegExp()` (like adding `^` or `$` boundaries, defining flags, or combining it another string).
+
+<br>
+
+</details>
+
+<details>
+<summary><strong>Why use this library?</strong></summary>
+
+<br>
+
+### Convenience
+
+Creating regular expressions for matching numbers gets deceptively complicated pretty fast.
+
+For example, let's say you need a validation regex for matching part of a user-id, postal code, social security number, tax id, etc:
+
+* regex for matching `1` => `/1/` (easy enough)
+* regex for matching `1` through `5` => `/[1-5]/` (not bad...)
+* regex for matching `1` or `5` => `/(1|5)/` (still easy...)
+* regex for matching `1` through `50` => `/([1-9]|[1-4][0-9]|50)/` (uh-oh...)
+* regex for matching `1` through `55` => `/([1-9]|[1-4][0-9]|5[0-5])/` (no prob, I can do this...)
+* regex for matching `1` through `555` => `/([1-9]|[1-9][0-9]|[1-4][0-9]{2}|5[0-4][0-9]|55[0-5])/` (maybe not...)
+* regex for matching `0001` through `5555` => `/(0{3}[1-9]|0{2}[1-9][0-9]|0[1-9][0-9]{2}|[1-4][0-9]{3}|5[0-4][0-9]{2}|55[0-4][0-9]|555[0-5])/` (okay, I get the point!)
+
+The numbers are contrived, but they're also really basic. In the real world you might need to generate a regex on-the-fly for validation.
+
+**Learn more**
+
+If you're interested in learning more about [character classes](http://www.regular-expressions.info/charclass.html) and other regex features, I personally have always found [regular-expressions.info](http://www.regular-expressions.info/charclass.html) to be pretty useful.
+
+### Heavily tested
+
+As of April 07, 2019, this library runs [>1m test assertions](./test/test.js) against generated regex-ranges to provide brute-force verification that results are correct.
+
+Tests run in ~280ms on my MacBook Pro, 2.5 GHz Intel Core i7.
+
+### Optimized
+
+Generated regular expressions are optimized:
+
+* duplicate sequences and character classes are reduced using quantifiers
+* smart enough to use `?` conditionals when number(s) or range(s) can be positive or negative
+* uses fragment caching to avoid processing the same exact string more than once
+
+<br>
+
+</details>
+
+## Usage
+
+Add this library to your javascript application with the following line of code
+
+```js
+const toRegexRange = require('to-regex-range');
+```
+
+The main export is a function that takes two integers: the `min` value and `max` value (formatted as strings or numbers).
+
+```js
+const source = toRegexRange('15', '95');
+//=> 1[5-9]|[2-8][0-9]|9[0-5]
+
+const regex = new RegExp(`^${source}$`);
+console.log(regex.test('14')); //=> false
+console.log(regex.test('50')); //=> true
+console.log(regex.test('94')); //=> true
+console.log(regex.test('96')); //=> false
+```
+
+## Options
+
+### options.capture
+
+**Type**: `boolean`
+
+**Deafault**: `undefined`
+
+Wrap the returned value in parentheses when there is more than one regex condition. Useful when you're dynamically generating ranges.
+
+```js
+console.log(toRegexRange('-10', '10'));
+//=> -[1-9]|-?10|[0-9]
+
+console.log(toRegexRange('-10', '10', { capture: true }));
+//=> (-[1-9]|-?10|[0-9])
+```
+
+### options.shorthand
+
+**Type**: `boolean`
+
+**Deafault**: `undefined`
+
+Use the regex shorthand for `[0-9]`:
+
+```js
+console.log(toRegexRange('0', '999999'));
+//=> [0-9]|[1-9][0-9]{1,5}
+
+console.log(toRegexRange('0', '999999', { shorthand: true }));
+//=> \d|[1-9]\d{1,5}
+```
+
+### options.relaxZeros
+
+**Type**: `boolean`
+
+**Default**: `true`
+
+This option relaxes matching for leading zeros when when ranges are zero-padded.
+
+```js
+const source = toRegexRange('-0010', '0010');
+const regex = new RegExp(`^${source}$`);
+console.log(regex.test('-10')); //=> true
+console.log(regex.test('-010')); //=> true
+console.log(regex.test('-0010')); //=> true
+console.log(regex.test('10')); //=> true
+console.log(regex.test('010')); //=> true
+console.log(regex.test('0010')); //=> true
+```
+
+When `relaxZeros` is false, matching is strict:
+
+```js
+const source = toRegexRange('-0010', '0010', { relaxZeros: false });
+const regex = new RegExp(`^${source}$`);
+console.log(regex.test('-10')); //=> false
+console.log(regex.test('-010')); //=> false
+console.log(regex.test('-0010')); //=> true
+console.log(regex.test('10')); //=> false
+console.log(regex.test('010')); //=> false
+console.log(regex.test('0010')); //=> true
+```
+
+## Examples
+
+| **Range**                   | **Result**                                                                      | **Compile time** |
+| ---                         | ---                                                                             | ---              |
+| `toRegexRange(-10, 10)`     | `-[1-9]\|-?10\|[0-9]`                                                           | _132μs_          |
+| `toRegexRange(-100, -10)`   | `-1[0-9]\|-[2-9][0-9]\|-100`                                                    | _50μs_           |
+| `toRegexRange(-100, 100)`   | `-[1-9]\|-?[1-9][0-9]\|-?100\|[0-9]`                                            | _42μs_           |
+| `toRegexRange(001, 100)`    | `0{0,2}[1-9]\|0?[1-9][0-9]\|100`                                                | _109μs_          |
+| `toRegexRange(001, 555)`    | `0{0,2}[1-9]\|0?[1-9][0-9]\|[1-4][0-9]{2}\|5[0-4][0-9]\|55[0-5]`                | _51μs_           |
+| `toRegexRange(0010, 1000)`  | `0{0,2}1[0-9]\|0{0,2}[2-9][0-9]\|0?[1-9][0-9]{2}\|1000`                         | _31μs_           |
+| `toRegexRange(1, 50)`       | `[1-9]\|[1-4][0-9]\|50`                                                         | _24μs_           |
+| `toRegexRange(1, 55)`       | `[1-9]\|[1-4][0-9]\|5[0-5]`                                                     | _23μs_           |
+| `toRegexRange(1, 555)`      | `[1-9]\|[1-9][0-9]\|[1-4][0-9]{2}\|5[0-4][0-9]\|55[0-5]`                        | _30μs_           |
+| `toRegexRange(1, 5555)`     | `[1-9]\|[1-9][0-9]{1,2}\|[1-4][0-9]{3}\|5[0-4][0-9]{2}\|55[0-4][0-9]\|555[0-5]` | _43μs_           |
+| `toRegexRange(111, 555)`    | `11[1-9]\|1[2-9][0-9]\|[2-4][0-9]{2}\|5[0-4][0-9]\|55[0-5]`                     | _38μs_           |
+| `toRegexRange(29, 51)`      | `29\|[34][0-9]\|5[01]`                                                          | _24μs_           |
+| `toRegexRange(31, 877)`     | `3[1-9]\|[4-9][0-9]\|[1-7][0-9]{2}\|8[0-6][0-9]\|87[0-7]`                       | _32μs_           |
+| `toRegexRange(5, 5)`        | `5`                                                                             | _8μs_            |
+| `toRegexRange(5, 6)`        | `5\|6`                                                                          | _11μs_           |
+| `toRegexRange(1, 2)`        | `1\|2`                                                                          | _6μs_            |
+| `toRegexRange(1, 5)`        | `[1-5]`                                                                         | _15μs_           |
+| `toRegexRange(1, 10)`       | `[1-9]\|10`                                                                     | _22μs_           |
+| `toRegexRange(1, 100)`      | `[1-9]\|[1-9][0-9]\|100`                                                        | _25μs_           |
+| `toRegexRange(1, 1000)`     | `[1-9]\|[1-9][0-9]{1,2}\|1000`                                                  | _31μs_           |
+| `toRegexRange(1, 10000)`    | `[1-9]\|[1-9][0-9]{1,3}\|10000`                                                 | _34μs_           |
+| `toRegexRange(1, 100000)`   | `[1-9]\|[1-9][0-9]{1,4}\|100000`                                                | _36μs_           |
+| `toRegexRange(1, 1000000)`  | `[1-9]\|[1-9][0-9]{1,5}\|1000000`                                               | _42μs_           |
+| `toRegexRange(1, 10000000)` | `[1-9]\|[1-9][0-9]{1,6}\|10000000`                                              | _42μs_           |
+
+## Heads up!
+
+**Order of arguments**
+
+When the `min` is larger than the `max`, values will be flipped to create a valid range:
+
+```js
+toRegexRange('51', '29');
+```
+
+Is effectively flipped to:
+
+```js
+toRegexRange('29', '51');
+//=> 29|[3-4][0-9]|5[0-1]
+```
+
+**Steps / increments**
+
+This library does not support steps (increments). A pr to add support would be welcome.
+
+## History
+
+### v2.0.0 - 2017-04-21
+
+**New features**
+
+Adds support for zero-padding!
+
+### v1.0.0
+
+**Optimizations**
+
+Repeating ranges are now grouped using quantifiers. rocessing time is roughly the same, but the generated regex is much smaller, which should result in faster matching.
+
+## Attribution
+
+Inspired by the python library [range-regex](https://github.com/dimka665/range-regex).
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [expand-range](https://www.npmjs.com/package/expand-range): Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used… [more](https://github.com/jonschlinkert/expand-range) | [homepage](https://github.com/jonschlinkert/expand-range "Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used by micromatch.")
+* [fill-range](https://www.npmjs.com/package/fill-range): Fill in a range of numbers or letters, optionally passing an increment or `step` to… [more](https://github.com/jonschlinkert/fill-range) | [homepage](https://github.com/jonschlinkert/fill-range "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+* [repeat-element](https://www.npmjs.com/package/repeat-element): Create an array by repeating the given value n times. | [homepage](https://github.com/jonschlinkert/repeat-element "Create an array by repeating the given value n times.")
+* [repeat-string](https://www.npmjs.com/package/repeat-string): Repeat the given string n times. Fastest implementation for repeating a string. | [homepage](https://github.com/jonschlinkert/repeat-string "Repeat the given string n times. Fastest implementation for repeating a string.")
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 63 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 3  | [doowb](https://github.com/doowb) |  
+| 2  | [realityking](https://github.com/realityking) |  
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+Please consider supporting me on Patreon, or [start your own Patreon page](https://patreon.com/invite/bxpbvm)!
+
+<a href="https://www.patreon.com/jonschlinkert">
+<img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" height="50">
+</a>
+
+### License
+
+Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 07, 2019._
\ No newline at end of file
diff --git a/node_modules/chokidar/node_modules/to-regex-range/index.js b/node_modules/chokidar/node_modules/to-regex-range/index.js
new file mode 100644
index 00000000..77fbaced
--- /dev/null
+++ b/node_modules/chokidar/node_modules/to-regex-range/index.js
@@ -0,0 +1,288 @@
+/*!
+ * to-regex-range <https://github.com/micromatch/to-regex-range>
+ *
+ * Copyright (c) 2015-present, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+const isNumber = require('is-number');
+
+const toRegexRange = (min, max, options) => {
+  if (isNumber(min) === false) {
+    throw new TypeError('toRegexRange: expected the first argument to be a number');
+  }
+
+  if (max === void 0 || min === max) {
+    return String(min);
+  }
+
+  if (isNumber(max) === false) {
+    throw new TypeError('toRegexRange: expected the second argument to be a number.');
+  }
+
+  let opts = { relaxZeros: true, ...options };
+  if (typeof opts.strictZeros === 'boolean') {
+    opts.relaxZeros = opts.strictZeros === false;
+  }
+
+  let relax = String(opts.relaxZeros);
+  let shorthand = String(opts.shorthand);
+  let capture = String(opts.capture);
+  let wrap = String(opts.wrap);
+  let cacheKey = min + ':' + max + '=' + relax + shorthand + capture + wrap;
+
+  if (toRegexRange.cache.hasOwnProperty(cacheKey)) {
+    return toRegexRange.cache[cacheKey].result;
+  }
+
+  let a = Math.min(min, max);
+  let b = Math.max(min, max);
+
+  if (Math.abs(a - b) === 1) {
+    let result = min + '|' + max;
+    if (opts.capture) {
+      return `(${result})`;
+    }
+    if (opts.wrap === false) {
+      return result;
+    }
+    return `(?:${result})`;
+  }
+
+  let isPadded = hasPadding(min) || hasPadding(max);
+  let state = { min, max, a, b };
+  let positives = [];
+  let negatives = [];
+
+  if (isPadded) {
+    state.isPadded = isPadded;
+    state.maxLen = String(state.max).length;
+  }
+
+  if (a < 0) {
+    let newMin = b < 0 ? Math.abs(b) : 1;
+    negatives = splitToPatterns(newMin, Math.abs(a), state, opts);
+    a = state.a = 0;
+  }
+
+  if (b >= 0) {
+    positives = splitToPatterns(a, b, state, opts);
+  }
+
+  state.negatives = negatives;
+  state.positives = positives;
+  state.result = collatePatterns(negatives, positives, opts);
+
+  if (opts.capture === true) {
+    state.result = `(${state.result})`;
+  } else if (opts.wrap !== false && (positives.length + negatives.length) > 1) {
+    state.result = `(?:${state.result})`;
+  }
+
+  toRegexRange.cache[cacheKey] = state;
+  return state.result;
+};
+
+function collatePatterns(neg, pos, options) {
+  let onlyNegative = filterPatterns(neg, pos, '-', false, options) || [];
+  let onlyPositive = filterPatterns(pos, neg, '', false, options) || [];
+  let intersected = filterPatterns(neg, pos, '-?', true, options) || [];
+  let subpatterns = onlyNegative.concat(intersected).concat(onlyPositive);
+  return subpatterns.join('|');
+}
+
+function splitToRanges(min, max) {
+  let nines = 1;
+  let zeros = 1;
+
+  let stop = countNines(min, nines);
+  let stops = new Set([max]);
+
+  while (min <= stop && stop <= max) {
+    stops.add(stop);
+    nines += 1;
+    stop = countNines(min, nines);
+  }
+
+  stop = countZeros(max + 1, zeros) - 1;
+
+  while (min < stop && stop <= max) {
+    stops.add(stop);
+    zeros += 1;
+    stop = countZeros(max + 1, zeros) - 1;
+  }
+
+  stops = [...stops];
+  stops.sort(compare);
+  return stops;
+}
+
+/**
+ * Convert a range to a regex pattern
+ * @param {Number} `start`
+ * @param {Number} `stop`
+ * @return {String}
+ */
+
+function rangeToPattern(start, stop, options) {
+  if (start === stop) {
+    return { pattern: start, count: [], digits: 0 };
+  }
+
+  let zipped = zip(start, stop);
+  let digits = zipped.length;
+  let pattern = '';
+  let count = 0;
+
+  for (let i = 0; i < digits; i++) {
+    let [startDigit, stopDigit] = zipped[i];
+
+    if (startDigit === stopDigit) {
+      pattern += startDigit;
+
+    } else if (startDigit !== '0' || stopDigit !== '9') {
+      pattern += toCharacterClass(startDigit, stopDigit, options);
+
+    } else {
+      count++;
+    }
+  }
+
+  if (count) {
+    pattern += options.shorthand === true ? '\\d' : '[0-9]';
+  }
+
+  return { pattern, count: [count], digits };
+}
+
+function splitToPatterns(min, max, tok, options) {
+  let ranges = splitToRanges(min, max);
+  let tokens = [];
+  let start = min;
+  let prev;
+
+  for (let i = 0; i < ranges.length; i++) {
+    let max = ranges[i];
+    let obj = rangeToPattern(String(start), String(max), options);
+    let zeros = '';
+
+    if (!tok.isPadded && prev && prev.pattern === obj.pattern) {
+      if (prev.count.length > 1) {
+        prev.count.pop();
+      }
+
+      prev.count.push(obj.count[0]);
+      prev.string = prev.pattern + toQuantifier(prev.count);
+      start = max + 1;
+      continue;
+    }
+
+    if (tok.isPadded) {
+      zeros = padZeros(max, tok, options);
+    }
+
+    obj.string = zeros + obj.pattern + toQuantifier(obj.count);
+    tokens.push(obj);
+    start = max + 1;
+    prev = obj;
+  }
+
+  return tokens;
+}
+
+function filterPatterns(arr, comparison, prefix, intersection, options) {
+  let result = [];
+
+  for (let ele of arr) {
+    let { string } = ele;
+
+    // only push if _both_ are negative...
+    if (!intersection && !contains(comparison, 'string', string)) {
+      result.push(prefix + string);
+    }
+
+    // or _both_ are positive
+    if (intersection && contains(comparison, 'string', string)) {
+      result.push(prefix + string);
+    }
+  }
+  return result;
+}
+
+/**
+ * Zip strings
+ */
+
+function zip(a, b) {
+  let arr = [];
+  for (let i = 0; i < a.length; i++) arr.push([a[i], b[i]]);
+  return arr;
+}
+
+function compare(a, b) {
+  return a > b ? 1 : b > a ? -1 : 0;
+}
+
+function contains(arr, key, val) {
+  return arr.some(ele => ele[key] === val);
+}
+
+function countNines(min, len) {
+  return Number(String(min).slice(0, -len) + '9'.repeat(len));
+}
+
+function countZeros(integer, zeros) {
+  return integer - (integer % Math.pow(10, zeros));
+}
+
+function toQuantifier(digits) {
+  let [start = 0, stop = ''] = digits;
+  if (stop || start > 1) {
+    return `{${start + (stop ? ',' + stop : '')}}`;
+  }
+  return '';
+}
+
+function toCharacterClass(a, b, options) {
+  return `[${a}${(b - a === 1) ? '' : '-'}${b}]`;
+}
+
+function hasPadding(str) {
+  return /^-?(0+)\d/.test(str);
+}
+
+function padZeros(value, tok, options) {
+  if (!tok.isPadded) {
+    return value;
+  }
+
+  let diff = Math.abs(tok.maxLen - String(value).length);
+  let relax = options.relaxZeros !== false;
+
+  switch (diff) {
+    case 0:
+      return '';
+    case 1:
+      return relax ? '0?' : '0';
+    case 2:
+      return relax ? '0{0,2}' : '00';
+    default: {
+      return relax ? `0{0,${diff}}` : `0{${diff}}`;
+    }
+  }
+}
+
+/**
+ * Cache
+ */
+
+toRegexRange.cache = {};
+toRegexRange.clearCache = () => (toRegexRange.cache = {});
+
+/**
+ * Expose `toRegexRange`
+ */
+
+module.exports = toRegexRange;
diff --git a/node_modules/chokidar/node_modules/to-regex-range/package.json b/node_modules/chokidar/node_modules/to-regex-range/package.json
new file mode 100644
index 00000000..4ef194f3
--- /dev/null
+++ b/node_modules/chokidar/node_modules/to-regex-range/package.json
@@ -0,0 +1,88 @@
+{
+  "name": "to-regex-range",
+  "description": "Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.",
+  "version": "5.0.1",
+  "homepage": "https://github.com/micromatch/to-regex-range",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Rouven Weßling (www.rouvenwessling.de)"
+  ],
+  "repository": "micromatch/to-regex-range",
+  "bugs": {
+    "url": "https://github.com/micromatch/to-regex-range/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=8.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-number": "^7.0.0"
+  },
+  "devDependencies": {
+    "fill-range": "^6.0.0",
+    "gulp-format-md": "^2.0.0",
+    "mocha": "^6.0.2",
+    "text-table": "^0.2.0",
+    "time-diff": "^0.3.1"
+  },
+  "keywords": [
+    "bash",
+    "date",
+    "expand",
+    "expansion",
+    "expression",
+    "glob",
+    "match",
+    "match date",
+    "match number",
+    "match numbers",
+    "match year",
+    "matches",
+    "matching",
+    "number",
+    "numbers",
+    "numerical",
+    "range",
+    "ranges",
+    "regex",
+    "regexp",
+    "regular",
+    "regular expression",
+    "sequence"
+  ],
+  "verb": {
+    "layout": "default",
+    "toc": false,
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "helpers": {
+      "examples": {
+        "displayName": "examples"
+      }
+    },
+    "related": {
+      "list": [
+        "expand-range",
+        "fill-range",
+        "micromatch",
+        "repeat-element",
+        "repeat-string"
+      ]
+    }
+  }
+}
diff --git a/node_modules/chokidar/package.json b/node_modules/chokidar/package.json
new file mode 100644
index 00000000..e8f8b3d9
--- /dev/null
+++ b/node_modules/chokidar/package.json
@@ -0,0 +1,70 @@
+{
+  "name": "chokidar",
+  "description": "Minimal and efficient cross-platform file watching library",
+  "version": "3.6.0",
+  "homepage": "https://github.com/paulmillr/chokidar",
+  "author": "Paul Miller (https://paulmillr.com)",
+  "contributors": [
+    "Paul Miller (https://paulmillr.com)",
+    "Elan Shanker"
+  ],
+  "engines": {
+    "node": ">= 8.10.0"
+  },
+  "main": "index.js",
+  "types": "./types/index.d.ts",
+  "dependencies": {
+    "anymatch": "~3.1.2",
+    "braces": "~3.0.2",
+    "glob-parent": "~5.1.2",
+    "is-binary-path": "~2.1.0",
+    "is-glob": "~4.0.1",
+    "normalize-path": "~3.0.0",
+    "readdirp": "~3.6.0"
+  },
+  "optionalDependencies": {
+    "fsevents": "~2.3.2"
+  },
+  "devDependencies": {
+    "@types/node": "^14",
+    "chai": "^4.3",
+    "dtslint": "^3.3.0",
+    "eslint": "^7.0.0",
+    "mocha": "^7.0.0",
+    "rimraf": "^3.0.0",
+    "sinon": "^9.0.1",
+    "sinon-chai": "^3.3.0",
+    "typescript": "^4.4.3",
+    "upath": "^1.2.0"
+  },
+  "files": [
+    "index.js",
+    "lib/*.js",
+    "types/index.d.ts"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/paulmillr/chokidar.git"
+  },
+  "bugs": {
+    "url": "https://github.com/paulmillr/chokidar/issues"
+  },
+  "license": "MIT",
+  "scripts": {
+    "dtslint": "dtslint types",
+    "lint": "eslint --report-unused-disable-directives --ignore-path .gitignore .",
+    "build": "npm ls",
+    "mocha": "mocha --exit --timeout 90000",
+    "test": "npm run lint && npm run mocha"
+  },
+  "keywords": [
+    "fs",
+    "watch",
+    "watchFile",
+    "watcher",
+    "watching",
+    "file",
+    "fsevents"
+  ],
+  "funding": "https://paulmillr.com/funding/"
+}
diff --git a/node_modules/chokidar/types/index.d.ts b/node_modules/chokidar/types/index.d.ts
new file mode 100644
index 00000000..45580663
--- /dev/null
+++ b/node_modules/chokidar/types/index.d.ts
@@ -0,0 +1,192 @@
+// TypeScript Version: 3.0
+
+/// <reference types="node" />
+
+import * as fs from "fs";
+import { EventEmitter } from "events";
+import { Matcher } from 'anymatch';
+
+export class FSWatcher extends EventEmitter implements fs.FSWatcher {
+  options: WatchOptions;
+
+  /**
+   * Constructs a new FSWatcher instance with optional WatchOptions parameter.
+   */
+  constructor(options?: WatchOptions);
+
+  /**
+   * Add files, directories, or glob patterns for tracking. Takes an array of strings or just one
+   * string.
+   */
+  add(paths: string | ReadonlyArray<string>): this;
+
+  /**
+   * Stop watching files, directories, or glob patterns. Takes an array of strings or just one
+   * string.
+   */
+  unwatch(paths: string | ReadonlyArray<string>): this;
+
+  /**
+   * Returns an object representing all the paths on the file system being watched by this
+   * `FSWatcher` instance. The object's keys are all the directories (using absolute paths unless
+   * the `cwd` option was used), and the values are arrays of the names of the items contained in
+   * each directory.
+   */
+  getWatched(): {
+    [directory: string]: string[];
+  };
+
+  /**
+   * Removes all listeners from watched files.
+   */
+  close(): Promise<void>;
+
+  on(event: 'add'|'addDir'|'change', listener: (path: string, stats?: fs.Stats) => void): this;
+
+  on(event: 'all', listener: (eventName: 'add'|'addDir'|'change'|'unlink'|'unlinkDir', path: string, stats?: fs.Stats) => void): this;
+
+  /**
+   * Error occurred
+   */
+  on(event: 'error', listener: (error: Error) => void): this;
+
+  /**
+   * Exposes the native Node `fs.FSWatcher events`
+   */
+  on(event: 'raw', listener: (eventName: string, path: string, details: any) => void): this;
+
+  /**
+   * Fires when the initial scan is complete
+   */
+  on(event: 'ready', listener: () => void): this;
+
+  on(event: 'unlink'|'unlinkDir', listener: (path: string) => void): this;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+
+  ref(): this;
+  
+  unref(): this;
+}
+
+export interface WatchOptions {
+  /**
+   * Indicates whether the process should continue to run as long as files are being watched. If
+   * set to `false` when using `fsevents` to watch, no more events will be emitted after `ready`,
+   * even if the process continues to run.
+   */
+  persistent?: boolean;
+
+  /**
+   * ([anymatch](https://github.com/micromatch/anymatch)-compatible definition) Defines files/paths to
+   * be ignored. The whole relative or absolute path is tested, not just filename. If a function
+   * with two arguments is provided, it gets called twice per path - once with a single argument
+   * (the path), second time with two arguments (the path and the
+   * [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object of that path).
+   */
+  ignored?: Matcher;
+
+  /**
+   * If set to `false` then `add`/`addDir` events are also emitted for matching paths while
+   * instantiating the watching as chokidar discovers these file paths (before the `ready` event).
+   */
+  ignoreInitial?: boolean;
+
+  /**
+   * When `false`, only the symlinks themselves will be watched for changes instead of following
+   * the link references and bubbling events through the link's path.
+   */
+  followSymlinks?: boolean;
+
+  /**
+   * The base directory from which watch `paths` are to be derived. Paths emitted with events will
+   * be relative to this.
+   */
+  cwd?: string;
+
+  /**
+   *  If set to true then the strings passed to .watch() and .add() are treated as literal path
+   *  names, even if they look like globs. Default: false.
+   */
+  disableGlobbing?: boolean;
+
+  /**
+   * Whether to use fs.watchFile (backed by polling), or fs.watch. If polling leads to high CPU
+   * utilization, consider setting this to `false`. It is typically necessary to **set this to
+   * `true` to successfully watch files over a network**, and it may be necessary to successfully
+   * watch files in other non-standard situations. Setting to `true` explicitly on OS X overrides
+   * the `useFsEvents` default.
+   */
+  usePolling?: boolean;
+
+  /**
+   * Whether to use the `fsevents` watching interface if available. When set to `true` explicitly
+   * and `fsevents` is available this supercedes the `usePolling` setting. When set to `false` on
+   * OS X, `usePolling: true` becomes the default.
+   */
+  useFsEvents?: boolean;
+
+  /**
+   * If relying upon the [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object that
+   * may get passed with `add`, `addDir`, and `change` events, set this to `true` to ensure it is
+   * provided even in cases where it wasn't already available from the underlying watch events.
+   */
+  alwaysStat?: boolean;
+
+  /**
+   * If set, limits how many levels of subdirectories will be traversed.
+   */
+  depth?: number;
+
+  /**
+   * Interval of file system polling.
+   */
+  interval?: number;
+
+  /**
+   * Interval of file system polling for binary files. ([see list of binary extensions](https://gi
+   * thub.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
+   */
+  binaryInterval?: number;
+
+  /**
+   *  Indicates whether to watch files that don't have read permissions if possible. If watching
+   *  fails due to `EPERM` or `EACCES` with this set to `true`, the errors will be suppressed
+   *  silently.
+   */
+  ignorePermissionErrors?: boolean;
+
+  /**
+   * `true` if `useFsEvents` and `usePolling` are `false`). Automatically filters out artifacts
+   * that occur when using editors that use "atomic writes" instead of writing directly to the
+   * source file. If a file is re-added within 100 ms of being deleted, Chokidar emits a `change`
+   * event rather than `unlink` then `add`. If the default of 100 ms does not work well for you,
+   * you can override it by setting `atomic` to a custom value, in milliseconds.
+   */
+  atomic?: boolean | number;
+
+  /**
+   * can be set to an object in order to adjust timing params:
+   */
+  awaitWriteFinish?: AwaitWriteFinishOptions | boolean;
+}
+
+export interface AwaitWriteFinishOptions {
+  /**
+   * Amount of time in milliseconds for a file size to remain constant before emitting its event.
+   */
+  stabilityThreshold?: number;
+
+  /**
+   * File size polling interval.
+   */
+  pollInterval?: number;
+}
+
+/**
+ * produces an instance of `FSWatcher`.
+ */
+export function watch(
+  paths: string | ReadonlyArray<string>,
+  options?: WatchOptions
+): FSWatcher;
diff --git a/node_modules/chownr/LICENSE b/node_modules/chownr/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/chownr/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/chownr/README.md b/node_modules/chownr/README.md
new file mode 100644
index 00000000..70e9a54a
--- /dev/null
+++ b/node_modules/chownr/README.md
@@ -0,0 +1,3 @@
+Like `chown -R`.
+
+Takes the same arguments as `fs.chown()`
diff --git a/node_modules/chownr/chownr.js b/node_modules/chownr/chownr.js
new file mode 100644
index 00000000..0d409321
--- /dev/null
+++ b/node_modules/chownr/chownr.js
@@ -0,0 +1,167 @@
+'use strict'
+const fs = require('fs')
+const path = require('path')
+
+/* istanbul ignore next */
+const LCHOWN = fs.lchown ? 'lchown' : 'chown'
+/* istanbul ignore next */
+const LCHOWNSYNC = fs.lchownSync ? 'lchownSync' : 'chownSync'
+
+/* istanbul ignore next */
+const needEISDIRHandled = fs.lchown &&
+  !process.version.match(/v1[1-9]+\./) &&
+  !process.version.match(/v10\.[6-9]/)
+
+const lchownSync = (path, uid, gid) => {
+  try {
+    return fs[LCHOWNSYNC](path, uid, gid)
+  } catch (er) {
+    if (er.code !== 'ENOENT')
+      throw er
+  }
+}
+
+/* istanbul ignore next */
+const chownSync = (path, uid, gid) => {
+  try {
+    return fs.chownSync(path, uid, gid)
+  } catch (er) {
+    if (er.code !== 'ENOENT')
+      throw er
+  }
+}
+
+/* istanbul ignore next */
+const handleEISDIR =
+  needEISDIRHandled ? (path, uid, gid, cb) => er => {
+    // Node prior to v10 had a very questionable implementation of
+    // fs.lchown, which would always try to call fs.open on a directory
+    // Fall back to fs.chown in those cases.
+    if (!er || er.code !== 'EISDIR')
+      cb(er)
+    else
+      fs.chown(path, uid, gid, cb)
+  }
+  : (_, __, ___, cb) => cb
+
+/* istanbul ignore next */
+const handleEISDirSync =
+  needEISDIRHandled ? (path, uid, gid) => {
+    try {
+      return lchownSync(path, uid, gid)
+    } catch (er) {
+      if (er.code !== 'EISDIR')
+        throw er
+      chownSync(path, uid, gid)
+    }
+  }
+  : (path, uid, gid) => lchownSync(path, uid, gid)
+
+// fs.readdir could only accept an options object as of node v6
+const nodeVersion = process.version
+let readdir = (path, options, cb) => fs.readdir(path, options, cb)
+let readdirSync = (path, options) => fs.readdirSync(path, options)
+/* istanbul ignore next */
+if (/^v4\./.test(nodeVersion))
+  readdir = (path, options, cb) => fs.readdir(path, cb)
+
+const chown = (cpath, uid, gid, cb) => {
+  fs[LCHOWN](cpath, uid, gid, handleEISDIR(cpath, uid, gid, er => {
+    // Skip ENOENT error
+    cb(er && er.code !== 'ENOENT' ? er : null)
+  }))
+}
+
+const chownrKid = (p, child, uid, gid, cb) => {
+  if (typeof child === 'string')
+    return fs.lstat(path.resolve(p, child), (er, stats) => {
+      // Skip ENOENT error
+      if (er)
+        return cb(er.code !== 'ENOENT' ? er : null)
+      stats.name = child
+      chownrKid(p, stats, uid, gid, cb)
+    })
+
+  if (child.isDirectory()) {
+    chownr(path.resolve(p, child.name), uid, gid, er => {
+      if (er)
+        return cb(er)
+      const cpath = path.resolve(p, child.name)
+      chown(cpath, uid, gid, cb)
+    })
+  } else {
+    const cpath = path.resolve(p, child.name)
+    chown(cpath, uid, gid, cb)
+  }
+}
+
+
+const chownr = (p, uid, gid, cb) => {
+  readdir(p, { withFileTypes: true }, (er, children) => {
+    // any error other than ENOTDIR or ENOTSUP means it's not readable,
+    // or doesn't exist.  give up.
+    if (er) {
+      if (er.code === 'ENOENT')
+        return cb()
+      else if (er.code !== 'ENOTDIR' && er.code !== 'ENOTSUP')
+        return cb(er)
+    }
+    if (er || !children.length)
+      return chown(p, uid, gid, cb)
+
+    let len = children.length
+    let errState = null
+    const then = er => {
+      if (errState)
+        return
+      if (er)
+        return cb(errState = er)
+      if (-- len === 0)
+        return chown(p, uid, gid, cb)
+    }
+
+    children.forEach(child => chownrKid(p, child, uid, gid, then))
+  })
+}
+
+const chownrKidSync = (p, child, uid, gid) => {
+  if (typeof child === 'string') {
+    try {
+      const stats = fs.lstatSync(path.resolve(p, child))
+      stats.name = child
+      child = stats
+    } catch (er) {
+      if (er.code === 'ENOENT')
+        return
+      else
+        throw er
+    }
+  }
+
+  if (child.isDirectory())
+    chownrSync(path.resolve(p, child.name), uid, gid)
+
+  handleEISDirSync(path.resolve(p, child.name), uid, gid)
+}
+
+const chownrSync = (p, uid, gid) => {
+  let children
+  try {
+    children = readdirSync(p, { withFileTypes: true })
+  } catch (er) {
+    if (er.code === 'ENOENT')
+      return
+    else if (er.code === 'ENOTDIR' || er.code === 'ENOTSUP')
+      return handleEISDirSync(p, uid, gid)
+    else
+      throw er
+  }
+
+  if (children && children.length)
+    children.forEach(child => chownrKidSync(p, child, uid, gid))
+
+  return handleEISDirSync(p, uid, gid)
+}
+
+module.exports = chownr
+chownr.sync = chownrSync
diff --git a/node_modules/chownr/package.json b/node_modules/chownr/package.json
new file mode 100644
index 00000000..c273a7d1
--- /dev/null
+++ b/node_modules/chownr/package.json
@@ -0,0 +1,29 @@
+{
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "name": "chownr",
+  "description": "like `chown -R`",
+  "version": "1.1.4",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/chownr.git"
+  },
+  "main": "chownr.js",
+  "files": [
+    "chownr.js"
+  ],
+  "devDependencies": {
+    "mkdirp": "0.3",
+    "rimraf": "^2.7.1",
+    "tap": "^14.10.6"
+  },
+  "tap": {
+    "check-coverage": true
+  },
+  "scripts": {
+    "test": "tap",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags"
+  },
+  "license": "ISC"
+}
diff --git a/node_modules/chrome-trace-event/CHANGES.md b/node_modules/chrome-trace-event/CHANGES.md
new file mode 100644
index 00000000..889d7de4
--- /dev/null
+++ b/node_modules/chrome-trace-event/CHANGES.md
@@ -0,0 +1,26 @@
+# node-trace-event changelog
+
+## 1.3.1 (not yet released)
+
+(nothing yet)
+
+
+## 1.3.0
+
+- Add `.child(<fields>)` option to `trace_event.createBunyanTracer()` object.
+
+
+## 1.2.0
+
+- Add `trace_event.createBunyanLogger()` usage for some sugar. See the
+  README.md for details.
+
+
+## 1.1.0
+
+- Rename to 'trace-event', which is a much more accurate name.
+
+
+## 1.0.0
+
+First release.
diff --git a/node_modules/chrome-trace-event/LICENSE.txt b/node_modules/chrome-trace-event/LICENSE.txt
new file mode 100644
index 00000000..427a1364
--- /dev/null
+++ b/node_modules/chrome-trace-event/LICENSE.txt
@@ -0,0 +1,23 @@
+# This is the MIT license
+
+Copyright (c) 2015 Joyent Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/chrome-trace-event/README.md b/node_modules/chrome-trace-event/README.md
new file mode 100644
index 00000000..8bd20774
--- /dev/null
+++ b/node_modules/chrome-trace-event/README.md
@@ -0,0 +1,31 @@
+[![Build Status](https://travis-ci.org/samccone/chrome-trace-event.svg?branch=master)](https://travis-ci.org/samccone/chrome-trace-event)
+
+chrome-trace-event: A node library for creating trace event logs of program
+execution according to [Google's Trace Event
+format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU).
+These logs can then be visualized with
+[trace-viewer](https://github.com/google/trace-viewer) or chrome devtools to grok one's programs.
+
+# Install
+
+    npm install chrome-trace-event
+
+# Usage
+
+```javascript
+const Trace = require("chrome-trace-event").Tracer;
+const trace = new Trace({
+    noStream: true
+});
+trace.pipe(fs.createWriteStream(outPath));
+trace.flush();
+```
+
+# Links
+
+* https://github.com/google/trace-viewer/wiki
+* https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU
+
+# License
+
+MIT. See LICENSE.txt.
diff --git a/node_modules/chrome-trace-event/package.json b/node_modules/chrome-trace-event/package.json
new file mode 100644
index 00000000..1540952d
--- /dev/null
+++ b/node_modules/chrome-trace-event/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "chrome-trace-event",
+  "description": "A library to create a trace of your node app per Google's Trace Event format.",
+  "license": "MIT",
+  "version": "1.0.4",
+  "author": "Trent Mick, Sam Saccone",
+  "keywords": [
+    "trace-event",
+    "trace",
+    "event",
+    "trace-viewer",
+    "google"
+  ],
+  "repository": {
+    "url": "github:samccone/chrome-trace-event"
+  },
+  "main": "./dist/trace-event.js",
+  "typings": "./dist/trace-event.d.ts",
+  "dependencies": {},
+  "devDependencies": {
+    "@types/node": "*",
+    "prettier": "^1.12.1",
+    "tape": "4.8.0",
+    "typescript": "^4.2.4"
+  },
+  "engines": {
+    "node": ">=6.0"
+  },
+  "files": [
+    "dist",
+    "CHANGES.md"
+  ],
+  "scripts": {
+    "build": "tsc",
+    "check_format": "prettier -l lib/** test/** examples/**",
+    "test": "tape test/*.test.js"
+  }
+}
diff --git a/node_modules/cipher-base/.eslintrc b/node_modules/cipher-base/.eslintrc
new file mode 100644
index 00000000..ff010df0
--- /dev/null
+++ b/node_modules/cipher-base/.eslintrc
@@ -0,0 +1,26 @@
+{
+  "root": true,
+
+  "extends": "@ljharb",
+
+  "rules": {
+    "func-style": "off",
+  },
+
+  "globals": {
+    "Uint8Array": false,
+    "Uint16Array": false,
+  },
+
+  "overrides": [
+    {
+      "files": [
+        "./index.js",
+        "./test/index.js",
+      ],
+      "rules": {
+        "no-underscore-dangle": "warn",
+      },
+    },
+  ],
+}
diff --git a/node_modules/cipher-base/.github/FUNDING.yml b/node_modules/cipher-base/.github/FUNDING.yml
new file mode 100644
index 00000000..fbfd9076
--- /dev/null
+++ b/node_modules/cipher-base/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/cipher-base
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/cipher-base/CHANGELOG.md b/node_modules/cipher-base/CHANGELOG.md
new file mode 100644
index 00000000..a99ec0d3
--- /dev/null
+++ b/node_modules/cipher-base/CHANGELOG.md
@@ -0,0 +1,66 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.6](https://github.com/browserify/cipher-base/compare/v1.0.5...v1.0.6) - 2024-11-26
+
+### Commits
+
+- [Fix] io.js 3.0 - Node.js 5.3 typed array support [`b7ddd2a`](https://github.com/browserify/cipher-base/commit/b7ddd2ac24e65cc47befc1e0eb5026422f8ab037)
+
+## [v1.0.5](https://github.com/browserify/cipher-base/compare/v1.0.4...v1.0.5) - 2024-11-17
+
+### Commits
+
+- [Tests] standard -&gt; eslint, make test dir, etc [`ae02fd6`](https://github.com/browserify/cipher-base/commit/ae02fd6624c41ac4ac18077be797111d1955bc76)
+- [Tests] migrate from travis to GHA [`66387d7`](https://github.com/browserify/cipher-base/commit/66387d71461287ad9067bb1bcbfdc47403a33ee7)
+- [meta] fix package.json indentation [`5c02918`](https://github.com/browserify/cipher-base/commit/5c02918ac58c875ed36913c2dc3e1043f4d1c99c)
+- [Fix] return valid values on multi-byte-wide TypedArray input [`8fd1364`](https://github.com/browserify/cipher-base/commit/8fd136432ca298a664f5637629cf2b42a6c7f294)
+- [meta] add `auto-changelog` [`88dc806`](https://github.com/browserify/cipher-base/commit/88dc806806d3dc41444dbf639c87c00f82c949b3)
+- [meta] add `npmignore` and `safe-publish-latest` [`7a137d7`](https://github.com/browserify/cipher-base/commit/7a137d749ce7ea7ea56b9c096844b1b8ab723f61)
+- Only apps should have lockfiles [`42528f2`](https://github.com/browserify/cipher-base/commit/42528f291db16bf2e7d5f831ebe2ad87fd0b1f42)
+- [Deps] update `inherits`, `safe-buffer` [`0e7a2d9`](https://github.com/browserify/cipher-base/commit/0e7a2d9a33a391e82fa9cf512d6e25cc91ab8613)
+- [meta] add missing `engines.node` [`f2dc13e`](https://github.com/browserify/cipher-base/commit/f2dc13e47bbcf3c873db9a9e0f83e5f29d0783fe)
+
+## [v1.0.4](https://github.com/browserify/cipher-base/compare/v1.0.3...v1.0.4) - 2017-07-06
+
+### Merged
+
+- Safe Buffer & License [`#8`](https://github.com/browserify/cipher-base/pull/8)
+- fix break in node 8 [`#9`](https://github.com/browserify/cipher-base/pull/9)
+
+### Commits
+
+- use safe-buffer [`193bbeb`](https://github.com/browserify/cipher-base/commit/193bbeb0d60ff206b072d4e18b32fcf150eb0fad)
+- add MIT LICENSE [`a9fb6e3`](https://github.com/browserify/cipher-base/commit/a9fb6e316c25b25d2bd04fa5b6eb748318bdcb04)
+- index: add missing Buffer.alloc [`2397a9e`](https://github.com/browserify/cipher-base/commit/2397a9e0db33b2f3d6abbd89f01db1c066804a91)
+- rename README to README, add .gitignore [`9345e1d`](https://github.com/browserify/cipher-base/commit/9345e1d21fd10555bc4f39ccae5512ca0202c5f6)
+
+## [v1.0.3](https://github.com/browserify/cipher-base/compare/v1.0.2...v1.0.3) - 2016-09-13
+
+### Merged
+
+- closure-compiler fix - final is a reserved word [`#4`](https://github.com/browserify/cipher-base/pull/4)
+
+## [v1.0.2](https://github.com/browserify/cipher-base/compare/v1.0.1...v1.0.2) - 2015-10-23
+
+### Merged
+
+- fix up typo in README [`#1`](https://github.com/browserify/cipher-base/pull/1)
+
+### Commits
+
+- Update api-methods. [`c4a7156`](https://github.com/browserify/cipher-base/commit/c4a7156c7beedb524ce5005374d2fd1327fa3ca4)
+- travis [`a5873f7`](https://github.com/browserify/cipher-base/commit/a5873f7dbfe542d7ec28bcb3e306096d1d2b951c)
+- Add api-methods [`208b338`](https://github.com/browserify/cipher-base/commit/208b33841d3e8a6f5322e54bdf442e1ee0d77590)
+- Update error messages [`dc19a24`](https://github.com/browserify/cipher-base/commit/dc19a24119786518c1c835d948e36ddae3bf3adb)
+
+## v1.0.1 - 2015-09-26
+
+### Commits
+
+- first [`8fbd9e7`](https://github.com/browserify/cipher-base/commit/8fbd9e7654d384b578e63d12e0311ae16dc07741)
+- fix error in 0.10 [`61491fe`](https://github.com/browserify/cipher-base/commit/61491fe31fcc9bee0901f93b26cee6eaaca07575)
diff --git a/node_modules/cipher-base/LICENSE b/node_modules/cipher-base/LICENSE
new file mode 100644
index 00000000..f06007ae
--- /dev/null
+++ b/node_modules/cipher-base/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 crypto-browserify contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/cipher-base/README.md b/node_modules/cipher-base/README.md
new file mode 100644
index 00000000..db9a7814
--- /dev/null
+++ b/node_modules/cipher-base/README.md
@@ -0,0 +1,17 @@
+cipher-base
+===
+
+[![Build Status](https://travis-ci.org/crypto-browserify/cipher-base.svg)](https://travis-ci.org/crypto-browserify/cipher-base)
+
+Abstract base class to inherit from if you want to create streams implementing
+the same api as node crypto streams.
+
+Requires you to implement 2 methods `_final` and `_update`. `_update` takes a
+buffer and should return a buffer, `_final` takes no arguments and should return
+a buffer.
+
+
+The constructor takes one argument and that is a string which if present switches
+it into hash mode, i.e. the object you get from crypto.createHash or
+crypto.createSign, this switches the name of the final method to be the string
+you passed instead of `final` and returns `this` from update.
diff --git a/node_modules/cipher-base/index.js b/node_modules/cipher-base/index.js
new file mode 100644
index 00000000..804c1083
--- /dev/null
+++ b/node_modules/cipher-base/index.js
@@ -0,0 +1,167 @@
+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+var Transform = require('stream').Transform;
+var StringDecoder = require('string_decoder').StringDecoder;
+var inherits = require('inherits');
+
+function CipherBase(hashMode) {
+	Transform.call(this);
+	this.hashMode = typeof hashMode === 'string';
+	if (this.hashMode) {
+		this[hashMode] = this._finalOrDigest;
+	} else {
+		this['final'] = this._finalOrDigest;
+	}
+	if (this._final) {
+		this.__final = this._final;
+		this._final = null;
+	}
+	this._decoder = null;
+	this._encoding = null;
+}
+inherits(CipherBase, Transform);
+
+var useUint8Array = typeof Uint8Array !== 'undefined';
+var useArrayBuffer = typeof ArrayBuffer !== 'undefined'
+	&& typeof Uint8Array !== 'undefined'
+	&& ArrayBuffer.isView
+	&& (Buffer.prototype instanceof Uint8Array || Buffer.TYPED_ARRAY_SUPPORT);
+
+function toBuffer(data, encoding) {
+	/*
+	 * No need to do anything for exact instance
+	 * This is only valid when safe-buffer.Buffer === buffer.Buffer, i.e. when Buffer.from/Buffer.alloc existed
+	 */
+	if (data instanceof Buffer) {
+		return data;
+	}
+
+	// Convert strings to Buffer
+	if (typeof data === 'string') {
+		return Buffer.from(data, encoding);
+	}
+
+	/*
+	 * Wrap any TypedArray instances and DataViews
+	 * Makes sense only on engines with full TypedArray support -- let Buffer detect that
+	 */
+	if (useArrayBuffer && ArrayBuffer.isView(data)) {
+		// Bug in Node.js <6.3.1, which treats this as out-of-bounds
+		if (data.byteLength === 0) {
+			return Buffer.alloc(0);
+		}
+
+		var res = Buffer.from(data.buffer, data.byteOffset, data.byteLength);
+		/*
+		 * Recheck result size, as offset/length doesn't work on Node.js <5.10
+		 * We just go to Uint8Array case if this fails
+		 */
+		if (res.byteLength === data.byteLength) {
+			return res;
+		}
+	}
+
+	/*
+	 * Uint8Array in engines where Buffer.from might not work with ArrayBuffer, just copy over
+	 * Doesn't make sense with other TypedArray instances
+	 */
+	if (useUint8Array && data instanceof Uint8Array) {
+		return Buffer.from(data);
+	}
+
+	/*
+	 * Old Buffer polyfill on an engine that doesn't have TypedArray support
+	 * Also, this is from a different Buffer polyfill implementation then we have, as instanceof check failed
+	 * Convert to our current Buffer implementation
+	 */
+	if (
+		Buffer.isBuffer(data)
+			&& data.constructor
+			&& typeof data.constructor.isBuffer === 'function'
+			&& data.constructor.isBuffer(data)
+	) {
+		return Buffer.from(data);
+	}
+
+	throw new TypeError('The "data" argument must be of type string or an instance of Buffer, TypedArray, or DataView.');
+}
+
+CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
+	var bufferData = toBuffer(data, inputEnc); // asserts correct input type
+	var outData = this._update(bufferData);
+	if (this.hashMode) {
+		return this;
+	}
+
+	if (outputEnc) {
+		outData = this._toString(outData, outputEnc);
+	}
+
+	return outData;
+};
+
+CipherBase.prototype.setAutoPadding = function () {};
+CipherBase.prototype.getAuthTag = function () {
+	throw new Error('trying to get auth tag in unsupported state');
+};
+
+CipherBase.prototype.setAuthTag = function () {
+	throw new Error('trying to set auth tag in unsupported state');
+};
+
+CipherBase.prototype.setAAD = function () {
+	throw new Error('trying to set aad in unsupported state');
+};
+
+CipherBase.prototype._transform = function (data, _, next) {
+	var err;
+	try {
+		if (this.hashMode) {
+			this._update(data);
+		} else {
+			this.push(this._update(data));
+		}
+	} catch (e) {
+		err = e;
+	} finally {
+		next(err);
+	}
+};
+CipherBase.prototype._flush = function (done) {
+	var err;
+	try {
+		this.push(this.__final());
+	} catch (e) {
+		err = e;
+	}
+
+	done(err);
+};
+CipherBase.prototype._finalOrDigest = function (outputEnc) {
+	var outData = this.__final() || Buffer.alloc(0);
+	if (outputEnc) {
+		outData = this._toString(outData, outputEnc, true);
+	}
+	return outData;
+};
+
+CipherBase.prototype._toString = function (value, enc, fin) {
+	if (!this._decoder) {
+		this._decoder = new StringDecoder(enc);
+		this._encoding = enc;
+	}
+
+	if (this._encoding !== enc) {
+		throw new Error('can’t switch encodings');
+	}
+
+	var out = this._decoder.write(value);
+	if (fin) {
+		out += this._decoder.end();
+	}
+
+	return out;
+};
+
+module.exports = CipherBase;
diff --git a/node_modules/cipher-base/package.json b/node_modules/cipher-base/package.json
new file mode 100644
index 00000000..daef6d82
--- /dev/null
+++ b/node_modules/cipher-base/package.json
@@ -0,0 +1,62 @@
+{
+	"name": "cipher-base",
+	"version": "1.0.6",
+	"description": "abstract base class for crypto-streams",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,.mjs .",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "tape 'test/**/*.js'",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/crypto-browserify/cipher-base.git"
+	},
+	"keywords": [
+		"cipher",
+		"stream"
+	],
+	"author": "Calvin Metcalf <calvin.metcalf@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/crypto-browserify/cipher-base/issues"
+	},
+	"homepage": "https://github.com/crypto-browserify/cipher-base#readme",
+	"dependencies": {
+		"inherits": "^2.0.4",
+		"safe-buffer": "^5.2.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"engines": {
+		"node": ">= 0.10"
+	}
+}
diff --git a/node_modules/cipher-base/test/index.js b/node_modules/cipher-base/test/index.js
new file mode 100644
index 00000000..8a3ceebc
--- /dev/null
+++ b/node_modules/cipher-base/test/index.js
@@ -0,0 +1,221 @@
+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+var CipherBase = require('../');
+
+var test = require('tape');
+var inherits = require('inherits');
+
+test('basic version', function (t) {
+	function Cipher() {
+		CipherBase.call(this);
+	}
+
+	inherits(Cipher, CipherBase);
+
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		return input;
+	};
+
+	Cipher.prototype._final = function () {
+		// noop
+	};
+
+	var cipher = new Cipher();
+	var utf8 = 'abc123abcd';
+	var update = cipher.update(utf8, 'utf8', 'base64') + cipher['final']('base64');
+	var string = Buffer.from(update, 'base64').toString();
+
+	t.equals(utf8, string);
+
+	t.end();
+});
+
+test('hash mode', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+	var cipher = new Cipher();
+	var utf8 = 'abc123abcd';
+	var update = cipher.update(utf8, 'utf8').finalName('base64');
+	var string = Buffer.from(update, 'base64').toString();
+
+	t.equals(utf8, string);
+
+	t.end();
+});
+
+test('hash mode as stream', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+	var cipher = new Cipher();
+	cipher.on('error', function (e) {
+		t.notOk(e);
+	});
+	var utf8 = 'abc123abcd';
+	cipher.end(utf8, 'utf8');
+	var update = cipher.read().toString('base64');
+	var string = Buffer.from(update, 'base64').toString();
+
+	t.equals(utf8, string);
+
+	t.end();
+});
+
+test('encodings', function (t) {
+	function Cipher() {
+		CipherBase.call(this);
+	}
+	inherits(Cipher, CipherBase);
+
+	Cipher.prototype._update = function (input) {
+		return input;
+	};
+
+	Cipher.prototype._final = function () {
+		// noop
+	};
+
+	t.test('mix and match encoding', function (st) {
+		st.plan(2);
+
+		var cipher = new Cipher();
+		cipher.update('foo', 'utf8', 'utf8');
+
+		st['throws'](function () {
+			cipher.update('foo', 'utf8', 'base64');
+		});
+
+		cipher = new Cipher();
+		cipher.update('foo', 'utf8', 'base64');
+
+		st.doesNotThrow(function () {
+			cipher.update('foo', 'utf8');
+			cipher['final']('base64');
+		});
+	});
+
+	t.test('handle long uft8 plaintexts', function (st) {
+		st.plan(1);
+		var txt = 'ふっかつ　あきる　すぶり　はやい　つける　まゆげ　たんさん　みんぞく　ねほりはほり　せまい　たいまつばな　ひはん';
+
+		var cipher = new Cipher();
+		var decipher = new Cipher();
+		var enc = decipher.update(cipher.update(txt, 'utf8', 'base64'), 'base64', 'utf8');
+		enc += decipher.update(cipher['final']('base64'), 'base64', 'utf8');
+		enc += decipher['final']('utf8');
+
+		st.equals(txt, enc);
+	});
+});
+
+test('handle SafeBuffer instances', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+
+	var cipher = new Cipher();
+	var final = cipher.update(Buffer.from('a0c1', 'hex')).finalName('hex');
+	t.equals(final, 'a0c1');
+
+	t.end();
+});
+
+test('handle Uint8Array view', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+
+	var buf = new Uint8Array([0, 1, 2, 3, 4, 5]);
+	var uarr = new Uint8Array(buf.buffer, 2, 3);
+
+	var cipher = new Cipher();
+	var final = cipher.update(uarr).finalName('hex');
+	t.equals(final, '020304');
+
+	t.end();
+});
+
+test('handle empty Uint8Array instances', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+
+	var cipher = new Cipher();
+	var final = cipher.update(new Uint8Array(0)).finalName('hex');
+	t.equals(final, '');
+
+	t.end();
+});
+
+test('handle UInt16Array', function (t) {
+	function Cipher() {
+		CipherBase.call(this, 'finalName');
+		this._cache = [];
+	}
+	inherits(Cipher, CipherBase);
+	Cipher.prototype._update = function (input) {
+		t.ok(Buffer.isBuffer(input));
+		this._cache.push(input);
+	};
+	Cipher.prototype._final = function () {
+		return Buffer.concat(this._cache);
+	};
+
+	if (ArrayBuffer.isView && (Buffer.prototype instanceof Uint8Array || Buffer.TYPED_ARRAY_SUPPORT)) {
+		var cipher = new Cipher();
+		var final = cipher.update(new Uint16Array([1234, 512])).finalName('hex');
+		t.equals(final, 'd2040002');
+	} else {
+		t.skip('ArrayBuffer.isView and/or TypedArray not fully supported');
+	}
+
+	t.end();
+});
diff --git a/node_modules/class-utils/LICENSE b/node_modules/class-utils/LICENSE
new file mode 100644
index 00000000..27c85370
--- /dev/null
+++ b/node_modules/class-utils/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/class-utils/README.md b/node_modules/class-utils/README.md
new file mode 100644
index 00000000..b49332ef
--- /dev/null
+++ b/node_modules/class-utils/README.md
@@ -0,0 +1,300 @@
+# class-utils [![NPM version](https://img.shields.io/npm/v/class-utils.svg?style=flat)](https://www.npmjs.com/package/class-utils) [![NPM monthly downloads](https://img.shields.io/npm/dm/class-utils.svg?style=flat)](https://npmjs.org/package/class-utils) [![NPM total downloads](https://img.shields.io/npm/dt/class-utils.svg?style=flat)](https://npmjs.org/package/class-utils) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/class-utils.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/class-utils)
+
+> Utils for working with JavaScript classes and prototype methods.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save class-utils
+```
+
+## Usage
+
+```js
+var cu = require('class-utils');
+```
+
+## API
+
+### [.has](index.js#L43)
+
+Returns true if an array has any of the given elements, or an object has any of the give keys.
+
+**Params**
+
+* `obj` **{Object}**
+* `val` **{String|Array}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+cu.has(['a', 'b', 'c'], 'c');
+//=> true
+
+cu.has(['a', 'b', 'c'], ['c', 'z']);
+//=> true
+
+cu.has({a: 'b', c: 'd'}, ['c', 'z']);
+//=> true
+```
+
+### [.hasAll](index.js#L90)
+
+Returns true if an array or object has all of the given values.
+
+**Params**
+
+* `val` **{Object|Array}**
+* `values` **{String|Array}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+cu.hasAll(['a', 'b', 'c'], 'c');
+//=> true
+
+cu.hasAll(['a', 'b', 'c'], ['c', 'z']);
+//=> false
+
+cu.hasAll({a: 'b', c: 'd'}, ['c', 'z']);
+//=> false
+```
+
+### [.arrayify](index.js#L117)
+
+Cast the given value to an array.
+
+**Params**
+
+* `val` **{String|Array}**
+* `returns` **{Array}**
+
+**Example**
+
+```js
+cu.arrayify('foo');
+//=> ['foo']
+
+cu.arrayify(['foo']);
+//=> ['foo']
+```
+
+### [.hasConstructor](index.js#L152)
+
+Returns true if a value has a `contructor`
+
+**Params**
+
+* `value` **{Object}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+cu.hasConstructor({});
+//=> true
+
+cu.hasConstructor(Object.create(null));
+//=> false
+```
+
+### [.nativeKeys](index.js#L174)
+
+Get the native `ownPropertyNames` from the constructor of the given `object`. An empty array is returned if the object does not have a constructor.
+
+**Params**
+
+* `obj` **{Object}**: Object that has a `constructor`.
+* `returns` **{Array}**: Array of keys.
+
+**Example**
+
+```js
+cu.nativeKeys({a: 'b', b: 'c', c: 'd'})
+//=> ['a', 'b', 'c']
+
+cu.nativeKeys(function(){})
+//=> ['length', 'caller']
+```
+
+### [.getDescriptor](index.js#L208)
+
+Returns property descriptor `key` if it's an "own" property of the given object.
+
+**Params**
+
+* `obj` **{Object}**
+* `key` **{String}**
+* `returns` **{Object}**: Returns descriptor `key`
+
+**Example**
+
+```js
+function App() {}
+Object.defineProperty(App.prototype, 'count', {
+  get: function() {
+    return Object.keys(this).length;
+  }
+});
+cu.getDescriptor(App.prototype, 'count');
+// returns:
+// {
+//   get: [Function],
+//   set: undefined,
+//   enumerable: false,
+//   configurable: false
+// }
+```
+
+### [.copyDescriptor](index.js#L238)
+
+Copy a descriptor from one object to another.
+
+**Params**
+
+* `receiver` **{Object}**
+* `provider` **{Object}**
+* `name` **{String}**
+* `returns` **{Object}**
+
+**Example**
+
+```js
+function App() {}
+Object.defineProperty(App.prototype, 'count', {
+  get: function() {
+    return Object.keys(this).length;
+  }
+});
+var obj = {};
+cu.copyDescriptor(obj, App.prototype, 'count');
+```
+
+### [.copy](index.js#L264)
+
+Copy static properties, prototype properties, and descriptors
+from one object to another.
+
+**Params**
+
+* `receiver` **{Object}**
+* `provider` **{Object}**
+* `omit` **{String|Array}**: One or more properties to omit
+* `returns` **{Object}**
+
+### [.inherit](index.js#L299)
+
+Inherit the static properties, prototype properties, and descriptors
+from of an object.
+
+**Params**
+
+* `receiver` **{Object}**
+* `provider` **{Object}**
+* `omit` **{String|Array}**: One or more properties to omit
+* `returns` **{Object}**
+
+### [.extend](index.js#L343)
+
+Returns a function for extending the static properties, prototype properties, and descriptors from the `Parent` constructor onto `Child` constructors.
+
+**Params**
+
+* `Parent` **{Function}**: Parent ctor
+* `extend` **{Function}**: Optional extend function to handle custom extensions. Useful when updating methods that require a specific prototype.
+* `Child` **{Function}**: Child ctor
+* `proto` **{Object}**: Optionally pass additional prototype properties to inherit.
+* `returns` **{Object}**
+
+**Example**
+
+```js
+var extend = cu.extend(Parent);
+Parent.extend(Child);
+
+// optional methods
+Parent.extend(Child, {
+  foo: function() {},
+  bar: function() {}
+});
+```
+
+### [.bubble](index.js#L356)
+
+Bubble up events emitted from static methods on the Parent ctor.
+
+**Params**
+
+* `Parent` **{Object}**
+* `events` **{Array}**: Event names to bubble up
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [define-property](https://www.npmjs.com/package/define-property): Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty. | [homepage](https://github.com/jonschlinkert/define-property "Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.")
+* [delegate-properties](https://www.npmjs.com/package/delegate-properties): Deep-clone properties from one object to another and make them non-enumerable, or make existing properties… [more](https://github.com/jonschlinkert/delegate-properties) | [homepage](https://github.com/jonschlinkert/delegate-properties "Deep-clone properties from one object to another and make them non-enumerable, or make existing properties on an object non-enumerable.")
+* [is-descriptor](https://www.npmjs.com/package/is-descriptor): Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for… [more](https://github.com/jonschlinkert/is-descriptor) | [homepage](https://github.com/jonschlinkert/is-descriptor "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 34 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 8 | [doowb](https://github.com/doowb) |
+| 2 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on January 11, 2018._
\ No newline at end of file
diff --git a/node_modules/class-utils/index.js b/node_modules/class-utils/index.js
new file mode 100644
index 00000000..7bec653b
--- /dev/null
+++ b/node_modules/class-utils/index.js
@@ -0,0 +1,370 @@
+'use strict';
+
+var util = require('util');
+var union = require('arr-union');
+var define = require('define-property');
+var staticExtend = require('static-extend');
+var isObj = require('isobject');
+
+/**
+ * Expose class utils
+ */
+
+var cu = module.exports;
+
+/**
+ * Expose class utils: `cu`
+ */
+
+cu.isObject = function isObject(val) {
+  return isObj(val) || typeof val === 'function';
+};
+
+/**
+ * Returns true if an array has any of the given elements, or an
+ * object has any of the give keys.
+ *
+ * ```js
+ * cu.has(['a', 'b', 'c'], 'c');
+ * //=> true
+ *
+ * cu.has(['a', 'b', 'c'], ['c', 'z']);
+ * //=> true
+ *
+ * cu.has({a: 'b', c: 'd'}, ['c', 'z']);
+ * //=> true
+ * ```
+ * @param {Object} `obj`
+ * @param {String|Array} `val`
+ * @return {Boolean}
+ * @api public
+ */
+
+cu.has = function has(obj, val) {
+  val = cu.arrayify(val);
+  var len = val.length;
+
+  if (cu.isObject(obj)) {
+    for (var key in obj) {
+      if (val.indexOf(key) > -1) {
+        return true;
+      }
+    }
+
+    var keys = cu.nativeKeys(obj);
+    return cu.has(keys, val);
+  }
+
+  if (Array.isArray(obj)) {
+    var arr = obj;
+    while (len--) {
+      if (arr.indexOf(val[len]) > -1) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  throw new TypeError('expected an array or object.');
+};
+
+/**
+ * Returns true if an array or object has all of the given values.
+ *
+ * ```js
+ * cu.hasAll(['a', 'b', 'c'], 'c');
+ * //=> true
+ *
+ * cu.hasAll(['a', 'b', 'c'], ['c', 'z']);
+ * //=> false
+ *
+ * cu.hasAll({a: 'b', c: 'd'}, ['c', 'z']);
+ * //=> false
+ * ```
+ * @param {Object|Array} `val`
+ * @param {String|Array} `values`
+ * @return {Boolean}
+ * @api public
+ */
+
+cu.hasAll = function hasAll(val, values) {
+  values = cu.arrayify(values);
+  var len = values.length;
+  while (len--) {
+    if (!cu.has(val, values[len])) {
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Cast the given value to an array.
+ *
+ * ```js
+ * cu.arrayify('foo');
+ * //=> ['foo']
+ *
+ * cu.arrayify(['foo']);
+ * //=> ['foo']
+ * ```
+ *
+ * @param {String|Array} `val`
+ * @return {Array}
+ * @api public
+ */
+
+cu.arrayify = function arrayify(val) {
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+};
+
+/**
+ * Noop
+ */
+
+cu.noop = function noop() {
+  return;
+};
+
+/**
+ * Returns the first argument passed to the function.
+ */
+
+cu.identity = function identity(val) {
+  return val;
+};
+
+/**
+ * Returns true if a value has a `contructor`
+ *
+ * ```js
+ * cu.hasConstructor({});
+ * //=> true
+ *
+ * cu.hasConstructor(Object.create(null));
+ * //=> false
+ * ```
+ * @param  {Object} `value`
+ * @return {Boolean}
+ * @api public
+ */
+
+cu.hasConstructor = function hasConstructor(val) {
+  return cu.isObject(val) && typeof val.constructor !== 'undefined';
+};
+
+/**
+ * Get the native `ownPropertyNames` from the constructor of the
+ * given `object`. An empty array is returned if the object does
+ * not have a constructor.
+ *
+ * ```js
+ * cu.nativeKeys({a: 'b', b: 'c', c: 'd'})
+ * //=> ['a', 'b', 'c']
+ *
+ * cu.nativeKeys(function(){})
+ * //=> ['length', 'caller']
+ * ```
+ *
+ * @param  {Object} `obj` Object that has a `constructor`.
+ * @return {Array} Array of keys.
+ * @api public
+ */
+
+cu.nativeKeys = function nativeKeys(val) {
+  if (!cu.hasConstructor(val)) return [];
+  var keys = Object.getOwnPropertyNames(val);
+  if ('caller' in val) keys.push('caller');
+  return keys;
+};
+
+/**
+ * Returns property descriptor `key` if it's an "own" property
+ * of the given object.
+ *
+ * ```js
+ * function App() {}
+ * Object.defineProperty(App.prototype, 'count', {
+ *   get: function() {
+ *     return Object.keys(this).length;
+ *   }
+ * });
+ * cu.getDescriptor(App.prototype, 'count');
+ * // returns:
+ * // {
+ * //   get: [Function],
+ * //   set: undefined,
+ * //   enumerable: false,
+ * //   configurable: false
+ * // }
+ * ```
+ *
+ * @param {Object} `obj`
+ * @param {String} `key`
+ * @return {Object} Returns descriptor `key`
+ * @api public
+ */
+
+cu.getDescriptor = function getDescriptor(obj, key) {
+  if (!cu.isObject(obj)) {
+    throw new TypeError('expected an object.');
+  }
+  if (typeof key !== 'string') {
+    throw new TypeError('expected key to be a string.');
+  }
+  return Object.getOwnPropertyDescriptor(obj, key);
+};
+
+/**
+ * Copy a descriptor from one object to another.
+ *
+ * ```js
+ * function App() {}
+ * Object.defineProperty(App.prototype, 'count', {
+ *   get: function() {
+ *     return Object.keys(this).length;
+ *   }
+ * });
+ * var obj = {};
+ * cu.copyDescriptor(obj, App.prototype, 'count');
+ * ```
+ * @param {Object} `receiver`
+ * @param {Object} `provider`
+ * @param {String} `name`
+ * @return {Object}
+ * @api public
+ */
+
+cu.copyDescriptor = function copyDescriptor(receiver, provider, name) {
+  if (!cu.isObject(receiver)) {
+    throw new TypeError('expected receiving object to be an object.');
+  }
+  if (!cu.isObject(provider)) {
+    throw new TypeError('expected providing object to be an object.');
+  }
+  if (typeof name !== 'string') {
+    throw new TypeError('expected name to be a string.');
+  }
+
+  var val = cu.getDescriptor(provider, name);
+  if (val) Object.defineProperty(receiver, name, val);
+};
+
+/**
+ * Copy static properties, prototype properties, and descriptors
+ * from one object to another.
+ *
+ * @param {Object} `receiver`
+ * @param {Object} `provider`
+ * @param {String|Array} `omit` One or more properties to omit
+ * @return {Object}
+ * @api public
+ */
+
+cu.copy = function copy(receiver, provider, omit) {
+  if (!cu.isObject(receiver)) {
+    throw new TypeError('expected receiving object to be an object.');
+  }
+  if (!cu.isObject(provider)) {
+    throw new TypeError('expected providing object to be an object.');
+  }
+  var props = Object.getOwnPropertyNames(provider);
+  var keys = Object.keys(provider);
+  var len = props.length,
+    key;
+  omit = cu.arrayify(omit);
+
+  while (len--) {
+    key = props[len];
+
+    if (cu.has(keys, key)) {
+      define(receiver, key, provider[key]);
+    } else if (!(key in receiver) && !cu.has(omit, key)) {
+      cu.copyDescriptor(receiver, provider, key);
+    }
+  }
+};
+
+/**
+ * Inherit the static properties, prototype properties, and descriptors
+ * from of an object.
+ *
+ * @param {Object} `receiver`
+ * @param {Object} `provider`
+ * @param {String|Array} `omit` One or more properties to omit
+ * @return {Object}
+ * @api public
+ */
+
+cu.inherit = function inherit(receiver, provider, omit) {
+  if (!cu.isObject(receiver)) {
+    throw new TypeError('expected receiving object to be an object.');
+  }
+  if (!cu.isObject(provider)) {
+    throw new TypeError('expected providing object to be an object.');
+  }
+
+  var keys = [];
+  for (var key in provider) {
+    keys.push(key);
+    receiver[key] = provider[key];
+  }
+
+  keys = keys.concat(cu.arrayify(omit));
+
+  var a = provider.prototype || provider;
+  var b = receiver.prototype || receiver;
+  cu.copy(b, a, keys);
+};
+
+/**
+ * Returns a function for extending the static properties,
+ * prototype properties, and descriptors from the `Parent`
+ * constructor onto `Child` constructors.
+ *
+ * ```js
+ * var extend = cu.extend(Parent);
+ * Parent.extend(Child);
+ *
+ * // optional methods
+ * Parent.extend(Child, {
+ *   foo: function() {},
+ *   bar: function() {}
+ * });
+ * ```
+ * @param {Function} `Parent` Parent ctor
+ * @param {Function} `extend` Optional extend function to handle custom extensions. Useful when updating methods that require a specific prototype.
+ *   @param {Function} `Child` Child ctor
+ *   @param {Object} `proto` Optionally pass additional prototype properties to inherit.
+ *   @return {Object}
+ * @api public
+ */
+
+cu.extend = function() {
+  // keep it lazy, instead of assigning to `cu.extend`
+  return staticExtend.apply(null, arguments);
+};
+
+/**
+ * Bubble up events emitted from static methods on the Parent ctor.
+ *
+ * @param {Object} `Parent`
+ * @param {Array} `events` Event names to bubble up
+ * @api public
+ */
+
+cu.bubble = function(Parent, events) {
+  events = events || [];
+  Parent.bubble = function(Child, arr) {
+    if (Array.isArray(arr)) {
+      events = union([], events, arr);
+    }
+    var len = events.length;
+    var idx = -1;
+    while (++idx < len) {
+      var name = events[idx];
+      Parent.on(name, Child.emit.bind(Child, name));
+    }
+    cu.bubble(Child, events);
+  };
+};
diff --git a/node_modules/class-utils/node_modules/define-property/LICENSE b/node_modules/class-utils/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/class-utils/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/class-utils/node_modules/define-property/README.md b/node_modules/class-utils/node_modules/define-property/README.md
new file mode 100644
index 00000000..8cac698a
--- /dev/null
+++ b/node_modules/class-utils/node_modules/define-property/README.md
@@ -0,0 +1,77 @@
+# define-property [![NPM version](https://badge.fury.io/js/define-property.svg)](http://badge.fury.io/js/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i define-property --save
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## Related projects
+
+* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
+* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-object)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 31, 2015._
diff --git a/node_modules/class-utils/node_modules/define-property/index.js b/node_modules/class-utils/node_modules/define-property/index.js
new file mode 100644
index 00000000..3e0e5e13
--- /dev/null
+++ b/node_modules/class-utils/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/class-utils/node_modules/define-property/package.json b/node_modules/class-utils/node_modules/define-property/package.json
new file mode 100644
index 00000000..43561bf5
--- /dev/null
+++ b/node_modules/class-utils/node_modules/define-property/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "0.2.5",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "mixin-deep",
+        "mixin-object",
+        "delegate-object",
+        "forward-object"
+      ]
+    }
+  },
+  "dependencies": {
+    "is-descriptor": "^0.1.0"
+  }
+}
diff --git a/node_modules/class-utils/node_modules/is-descriptor/.editorconfig b/node_modules/class-utils/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/class-utils/node_modules/is-descriptor/.eslintrc b/node_modules/class-utils/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/class-utils/node_modules/is-descriptor/.gitattributes b/node_modules/class-utils/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/class-utils/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/class-utils/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/class-utils/node_modules/is-descriptor/.nycrc b/node_modules/class-utils/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/class-utils/node_modules/is-descriptor/CHANGELOG.md b/node_modules/class-utils/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..4963353e
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,144 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.7...v1.0.0) - 2017-02-25
+
+## [v0.1.7](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v0.1.7) - 2023-10-26
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- v0.x line: v1 and v0 are the same, so, branch v0 from 1.x [`91be723`](https://github.com/inspect-js/is-descriptor/commit/91be72399c3066950d2414a6d2f091e1074625cd)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/class-utils/node_modules/is-descriptor/LICENSE b/node_modules/class-utils/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/class-utils/node_modules/is-descriptor/README.md b/node_modules/class-utils/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/class-utils/node_modules/is-descriptor/index.js b/node_modules/class-utils/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/class-utils/node_modules/is-descriptor/package.json b/node_modules/class-utils/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..6d6ca8ba
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "0.1.7",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/class-utils/node_modules/is-descriptor/test/index.js b/node_modules/class-utils/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/class-utils/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/class-utils/package.json b/node_modules/class-utils/package.json
new file mode 100644
index 00000000..aca75295
--- /dev/null
+++ b/node_modules/class-utils/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "class-utils",
+  "description": "Utils for working with JavaScript classes and prototype methods.",
+  "version": "0.3.6",
+  "homepage": "https://github.com/jonschlinkert/class-utils",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "jonschlinkert/class-utils",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/class-utils/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "arr-union": "^3.1.0",
+    "define-property": "^0.2.5",
+    "isobject": "^3.0.0",
+    "static-extend": "^0.1.1"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^2.0.0",
+    "gulp-format-md": "^0.1.7",
+    "gulp-istanbul": "^0.10.3",
+    "gulp-mocha": "^2.2.0",
+    "mocha": "^2.4.5",
+    "should": "^8.2.2",
+    "through2": "^2.0.1"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "class",
+    "copy",
+    "ctor",
+    "define",
+    "delegate",
+    "descriptor",
+    "extend",
+    "extends",
+    "inherit",
+    "inheritance",
+    "merge",
+    "method",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "prototype",
+    "util",
+    "utils"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "define-property",
+        "delegate-properties",
+        "is-descriptor"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/collection-visit/LICENSE b/node_modules/collection-visit/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/collection-visit/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/collection-visit/README.md b/node_modules/collection-visit/README.md
new file mode 100644
index 00000000..c4da3f18
--- /dev/null
+++ b/node_modules/collection-visit/README.md
@@ -0,0 +1,89 @@
+# collection-visit [![NPM version](https://img.shields.io/npm/v/collection-visit.svg?style=flat)](https://www.npmjs.com/package/collection-visit) [![NPM monthly downloads](https://img.shields.io/npm/dm/collection-visit.svg?style=flat)](https://npmjs.org/package/collection-visit)  [![NPM total downloads](https://img.shields.io/npm/dt/collection-visit.svg?style=flat)](https://npmjs.org/package/collection-visit) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/collection-visit.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/collection-visit)
+
+> Visit a method over the items in an object, or map visit over the objects in an array.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save collection-visit
+```
+
+## Usage
+
+```js
+var visit = require('collection-visit');
+
+var ctx = {
+  data: {},
+  set: function (key, value) {
+    if (typeof key === 'object') {
+      visit(ctx, 'set', key);
+    } else {
+      ctx.data[key] = value;
+    }
+  }
+};
+
+ctx.set('a', 'a');
+ctx.set('b', 'b');
+ctx.set('c', 'c');
+ctx.set({d: {e: 'f'}});
+
+console.log(ctx.data);
+//=> {a: 'a', b: 'b', c: 'c', d: { e: 'f' }};
+```
+
+## About
+
+### Related projects
+
+* [base-methods](https://www.npmjs.com/package/base-methods): base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… [more](https://github.com/jonschlinkert/base-methods) | [homepage](https://github.com/jonschlinkert/base-methods "base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.")
+* [map-visit](https://www.npmjs.com/package/map-visit): Map `visit` over an array of objects. | [homepage](https://github.com/jonschlinkert/map-visit "Map `visit` over an array of objects.")
+* [object-visit](https://www.npmjs.com/package/object-visit): Call a specified method on each value in the given object. | [homepage](https://github.com/jonschlinkert/object-visit "Call a specified method on each value in the given object.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 13 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 9 | [doowb](https://github.com/doowb) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 09, 2017._
\ No newline at end of file
diff --git a/node_modules/collection-visit/index.js b/node_modules/collection-visit/index.js
new file mode 100644
index 00000000..d1977ab2
--- /dev/null
+++ b/node_modules/collection-visit/index.js
@@ -0,0 +1,30 @@
+/*!
+ * collection-visit <https://github.com/jonschlinkert/collection-visit>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var visit = require('object-visit');
+var mapVisit = require('map-visit');
+
+module.exports = function(collection, method, val) {
+  var result;
+
+  if (typeof val === 'string' && (method in collection)) {
+    var args = [].slice.call(arguments, 2);
+    result = collection[method].apply(collection, args);
+  } else if (Array.isArray(val)) {
+    result = mapVisit.apply(null, arguments);
+  } else {
+    result = visit.apply(null, arguments);
+  }
+
+  if (typeof result !== 'undefined') {
+    return result;
+  }
+
+  return collection;
+};
diff --git a/node_modules/collection-visit/package.json b/node_modules/collection-visit/package.json
new file mode 100644
index 00000000..63697bc0
--- /dev/null
+++ b/node_modules/collection-visit/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "collection-visit",
+  "description": "Visit a method over the items in an object, or map visit over the objects in an array.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/collection-visit",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward <brian.woodward@gmail.com> (https://twitter.com/doowb)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/collection-visit",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/collection-visit/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "map-visit": "^1.0.0",
+    "object-visit": "^1.0.0"
+  },
+  "devDependencies": {
+    "clone-deep": "^0.2.4",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-format-md": "^0.1.12",
+    "gulp-istanbul": "^1.1.1",
+    "gulp-mocha": "^3.0.0",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "array",
+    "arrays",
+    "collection",
+    "context",
+    "function",
+    "helper",
+    "invoke",
+    "key",
+    "map",
+    "method",
+    "object",
+    "objects",
+    "value",
+    "visit",
+    "visitor"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "base-methods",
+        "map-visit",
+        "object-visit"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/commander/CHANGELOG.md b/node_modules/commander/CHANGELOG.md
new file mode 100644
index 00000000..7dce779d
--- /dev/null
+++ b/node_modules/commander/CHANGELOG.md
@@ -0,0 +1,419 @@
+2.20.3 / 2019-10-11
+==================
+
+  * Support Node.js 0.10 (Revert #1059)
+  * Ran "npm unpublish commander@2.20.2". There is no 2.20.2.
+
+2.20.1 / 2019-09-29
+==================
+
+  * Improve executable subcommand tracking
+  * Update dev dependencies
+
+2.20.0 / 2019-04-02
+==================
+
+  * fix: resolve symbolic links completely when hunting for subcommands (#935)
+  * Update index.d.ts (#930)
+  * Update Readme.md (#924)
+  * Remove --save option as it isn't required anymore (#918)
+  * Add link to the license file (#900)
+  * Added example of receiving args from options (#858)
+  * Added missing semicolon (#882)
+  * Add extension to .eslintrc (#876)
+
+2.19.0 / 2018-10-02
+==================
+
+  * Removed newline after Options and Commands headers (#864)
+  * Bugfix - Error output (#862)
+  * Fix to change default value to string (#856)
+
+2.18.0 / 2018-09-07
+==================
+
+  * Standardize help output (#853)
+  * chmod 644 travis.yml (#851)
+  * add support for execute typescript subcommand via ts-node (#849)
+
+2.17.1 / 2018-08-07
+==================
+
+  * Fix bug in command emit (#844)
+
+2.17.0 / 2018-08-03
+==================
+
+  * fixed newline output after help information (#833)
+  * Fix to emit the action even without command (#778)
+  * npm update (#823)
+
+2.16.0 / 2018-06-29
+==================
+
+  * Remove Makefile and `test/run` (#821)
+  * Make 'npm test' run on Windows (#820)
+  * Add badge to display install size (#807)
+  * chore: cache node_modules (#814)
+  * chore: remove Node.js 4 (EOL), add Node.js 10 (#813)
+  * fixed typo in readme (#812)
+  * Fix types (#804)
+  * Update eslint to resolve vulnerabilities in lodash (#799)
+  * updated readme with custom event listeners. (#791)
+  * fix tests (#794)
+
+2.15.0 / 2018-03-07
+==================
+
+  * Update downloads badge to point to graph of downloads over time instead of duplicating link to npm
+  * Arguments description
+
+2.14.1 / 2018-02-07
+==================
+
+  * Fix typing of help function
+
+2.14.0 / 2018-02-05
+==================
+
+  * only register the option:version event once
+  * Fixes issue #727: Passing empty string for option on command is set to undefined
+  * enable eqeqeq rule
+  * resolves #754 add linter configuration to project
+  * resolves #560 respect custom name for version option
+  * document how to override the version flag
+  * document using options per command
+
+2.13.0 / 2018-01-09
+==================
+
+  * Do not print default for --no-
+  * remove trailing spaces in command help
+  * Update CI's Node.js to LTS and latest version
+  * typedefs: Command and Option types added to commander namespace
+
+2.12.2 / 2017-11-28
+==================
+
+  * fix: typings are not shipped
+
+2.12.1 / 2017-11-23
+==================
+
+  * Move @types/node to dev dependency
+
+2.12.0 / 2017-11-22
+==================
+
+  * add attributeName() method to Option objects
+  * Documentation updated for options with --no prefix
+  * typings: `outputHelp` takes a string as the first parameter
+  * typings: use overloads
+  * feat(typings): update to match js api
+  * Print default value in option help
+  * Fix translation error
+  * Fail when using same command and alias (#491)
+  * feat(typings): add help callback
+  * fix bug when description is add after command with options (#662)
+  * Format js code
+  * Rename History.md to CHANGELOG.md (#668)
+  * feat(typings): add typings to support TypeScript (#646)
+  * use current node
+
+2.11.0 / 2017-07-03
+==================
+
+  * Fix help section order and padding (#652)
+  * feature: support for signals to subcommands (#632)
+  * Fixed #37, --help should not display first (#447)
+  * Fix translation errors. (#570)
+  * Add package-lock.json
+  * Remove engines
+  * Upgrade package version
+  * Prefix events to prevent conflicts between commands and options (#494)
+  * Removing dependency on graceful-readlink
+  * Support setting name in #name function and make it chainable
+  * Add .vscode directory to .gitignore (Visual Studio Code metadata)
+  * Updated link to ruby commander in readme files
+
+2.10.0 / 2017-06-19
+==================
+
+  * Update .travis.yml. drop support for older node.js versions.
+  * Fix require arguments in README.md
+  * On SemVer you do not start from 0.0.1
+  * Add missing semi colon in readme
+  * Add save param to npm install
+  * node v6 travis test
+  * Update Readme_zh-CN.md
+  * Allow literal '--' to be passed-through as an argument
+  * Test subcommand alias help
+  * link build badge to master branch
+  * Support the alias of Git style sub-command
+  * added keyword commander for better search result on npm
+  * Fix Sub-Subcommands
+  * test node.js stable
+  * Fixes TypeError when a command has an option called `--description`
+  * Update README.md to make it beginner friendly and elaborate on the difference between angled and square brackets.
+  * Add chinese Readme file
+
+2.9.0 / 2015-10-13
+==================
+
+  * Add option `isDefault` to set default subcommand #415 @Qix-
+  * Add callback to allow filtering or post-processing of help text #434 @djulien
+  * Fix `undefined` text in help information close #414 #416 @zhiyelee
+
+2.8.1 / 2015-04-22
+==================
+
+ * Back out `support multiline description` Close #396 #397
+
+2.8.0 / 2015-04-07
+==================
+
+  * Add `process.execArg` support, execution args like `--harmony` will be passed to sub-commands #387 @DigitalIO @zhiyelee
+  * Fix bug in Git-style sub-commands #372 @zhiyelee
+  * Allow commands to be hidden from help #383 @tonylukasavage
+  * When git-style sub-commands are in use, yet none are called, display help #382 @claylo
+  * Add ability to specify arguments syntax for top-level command #258 @rrthomas
+  * Support multiline descriptions #208 @zxqfox
+
+2.7.1 / 2015-03-11
+==================
+
+ * Revert #347 (fix collisions when option and first arg have same name) which causes a bug in #367.
+
+2.7.0 / 2015-03-09
+==================
+
+ * Fix git-style bug when installed globally. Close #335 #349 @zhiyelee
+ * Fix collisions when option and first arg have same name. Close #346 #347 @tonylukasavage
+ * Add support for camelCase on `opts()`. Close #353  @nkzawa
+ * Add node.js 0.12 and io.js to travis.yml
+ * Allow RegEx options. #337 @palanik
+ * Fixes exit code when sub-command failing.  Close #260 #332 @pirelenito
+ * git-style `bin` files in $PATH make sense. Close #196 #327  @zhiyelee
+
+2.6.0 / 2014-12-30
+==================
+
+  * added `Command#allowUnknownOption` method. Close #138 #318 @doozr @zhiyelee
+  * Add application description to the help msg. Close #112 @dalssoft
+
+2.5.1 / 2014-12-15
+==================
+
+  * fixed two bugs incurred by variadic arguments. Close #291 @Quentin01 #302 @zhiyelee
+
+2.5.0 / 2014-10-24
+==================
+
+ * add support for variadic arguments. Closes #277 @whitlockjc
+
+2.4.0 / 2014-10-17
+==================
+
+ * fixed a bug on executing the coercion function of subcommands option. Closes #270
+ * added `Command.prototype.name` to retrieve command name. Closes #264 #266 @tonylukasavage
+ * added `Command.prototype.opts` to retrieve all the options as a simple object of key-value pairs. Closes #262 @tonylukasavage
+ * fixed a bug on subcommand name. Closes #248 @jonathandelgado
+ * fixed function normalize doesn’t honor option terminator. Closes #216 @abbr
+
+2.3.0 / 2014-07-16
+==================
+
+ * add command alias'. Closes PR #210
+ * fix: Typos. Closes #99
+ * fix: Unused fs module. Closes #217
+
+2.2.0 / 2014-03-29
+==================
+
+ * add passing of previous option value
+ * fix: support subcommands on windows. Closes #142
+ * Now the defaultValue passed as the second argument of the coercion function.
+
+2.1.0 / 2013-11-21
+==================
+
+ * add: allow cflag style option params, unit test, fixes #174
+
+2.0.0 / 2013-07-18
+==================
+
+ * remove input methods (.prompt, .confirm, etc)
+
+1.3.2 / 2013-07-18
+==================
+
+ * add support for sub-commands to co-exist with the original command
+
+1.3.1 / 2013-07-18
+==================
+
+ * add quick .runningCommand hack so you can opt-out of other logic when running a sub command
+
+1.3.0 / 2013-07-09
+==================
+
+ * add EACCES error handling
+ * fix sub-command --help
+
+1.2.0 / 2013-06-13
+==================
+
+ * allow "-" hyphen as an option argument
+ * support for RegExp coercion
+
+1.1.1 / 2012-11-20
+==================
+
+  * add more sub-command padding
+  * fix .usage() when args are present. Closes #106
+
+1.1.0 / 2012-11-16
+==================
+
+  * add git-style executable subcommand support. Closes #94
+
+1.0.5 / 2012-10-09
+==================
+
+  * fix `--name` clobbering. Closes #92
+  * fix examples/help. Closes #89
+
+1.0.4 / 2012-09-03
+==================
+
+  * add `outputHelp()` method.
+
+1.0.3 / 2012-08-30
+==================
+
+  * remove invalid .version() defaulting
+
+1.0.2 / 2012-08-24
+==================
+
+  * add `--foo=bar` support [arv]
+  * fix password on node 0.8.8. Make backward compatible with 0.6 [focusaurus]
+
+1.0.1 / 2012-08-03
+==================
+
+  * fix issue #56
+  * fix tty.setRawMode(mode) was moved to tty.ReadStream#setRawMode() (i.e. process.stdin.setRawMode())
+
+1.0.0 / 2012-07-05
+==================
+
+  * add support for optional option descriptions
+  * add defaulting of `.version()` to package.json's version
+
+0.6.1 / 2012-06-01
+==================
+
+  * Added: append (yes or no) on confirmation
+  * Added: allow node.js v0.7.x
+
+0.6.0 / 2012-04-10
+==================
+
+  * Added `.prompt(obj, callback)` support. Closes #49
+  * Added default support to .choose(). Closes #41
+  * Fixed the choice example
+
+0.5.1 / 2011-12-20
+==================
+
+  * Fixed `password()` for recent nodes. Closes #36
+
+0.5.0 / 2011-12-04
+==================
+
+  * Added sub-command option support [itay]
+
+0.4.3 / 2011-12-04
+==================
+
+  * Fixed custom help ordering. Closes #32
+
+0.4.2 / 2011-11-24
+==================
+
+  * Added travis support
+  * Fixed: line-buffered input automatically trimmed. Closes #31
+
+0.4.1 / 2011-11-18
+==================
+
+  * Removed listening for "close" on --help
+
+0.4.0 / 2011-11-15
+==================
+
+  * Added support for `--`. Closes #24
+
+0.3.3 / 2011-11-14
+==================
+
+  * Fixed: wait for close event when writing help info [Jerry Hamlet]
+
+0.3.2 / 2011-11-01
+==================
+
+  * Fixed long flag definitions with values [felixge]
+
+0.3.1 / 2011-10-31
+==================
+
+  * Changed `--version` short flag to `-V` from `-v`
+  * Changed `.version()` so it's configurable [felixge]
+
+0.3.0 / 2011-10-31
+==================
+
+  * Added support for long flags only. Closes #18
+
+0.2.1 / 2011-10-24
+==================
+
+  * "node": ">= 0.4.x < 0.7.0". Closes #20
+
+0.2.0 / 2011-09-26
+==================
+
+  * Allow for defaults that are not just boolean. Default peassignment only occurs for --no-*, optional, and required arguments. [Jim Isaacs]
+
+0.1.0 / 2011-08-24
+==================
+
+  * Added support for custom `--help` output
+
+0.0.5 / 2011-08-18
+==================
+
+  * Changed: when the user enters nothing prompt for password again
+  * Fixed issue with passwords beginning with numbers [NuckChorris]
+
+0.0.4 / 2011-08-15
+==================
+
+  * Fixed `Commander#args`
+
+0.0.3 / 2011-08-15
+==================
+
+  * Added default option value support
+
+0.0.2 / 2011-08-15
+==================
+
+  * Added mask support to `Command#password(str[, mask], fn)`
+  * Added `Command#password(str, fn)`
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/commander/LICENSE b/node_modules/commander/LICENSE
new file mode 100644
index 00000000..10f997ab
--- /dev/null
+++ b/node_modules/commander/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2011 TJ Holowaychuk <tj@vision-media.ca>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/commander/Readme.md b/node_modules/commander/Readme.md
new file mode 100644
index 00000000..c846e7a2
--- /dev/null
+++ b/node_modules/commander/Readme.md
@@ -0,0 +1,428 @@
+# Commander.js
+
+
+[![Build Status](https://api.travis-ci.org/tj/commander.js.svg?branch=master)](http://travis-ci.org/tj/commander.js)
+[![NPM Version](http://img.shields.io/npm/v/commander.svg?style=flat)](https://www.npmjs.org/package/commander)
+[![NPM Downloads](https://img.shields.io/npm/dm/commander.svg?style=flat)](https://npmcharts.com/compare/commander?minimal=true)
+[![Install Size](https://packagephobia.now.sh/badge?p=commander)](https://packagephobia.now.sh/result?p=commander)
+[![Join the chat at https://gitter.im/tj/commander.js](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/tj/commander.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+  The complete solution for [node.js](http://nodejs.org) command-line interfaces, inspired by Ruby's [commander](https://github.com/commander-rb/commander).  
+  [API documentation](http://tj.github.com/commander.js/)
+
+
+## Installation
+
+    $ npm install commander
+
+## Option parsing
+
+Options with commander are defined with the `.option()` method, also serving as documentation for the options. The example below parses args and options from `process.argv`, leaving remaining args as the `program.args` array which were not consumed by options.
+
+```js
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .option('-p, --peppers', 'Add peppers')
+  .option('-P, --pineapple', 'Add pineapple')
+  .option('-b, --bbq-sauce', 'Add bbq sauce')
+  .option('-c, --cheese [type]', 'Add the specified type of cheese [marble]', 'marble')
+  .parse(process.argv);
+
+console.log('you ordered a pizza with:');
+if (program.peppers) console.log('  - peppers');
+if (program.pineapple) console.log('  - pineapple');
+if (program.bbqSauce) console.log('  - bbq');
+console.log('  - %s cheese', program.cheese);
+```
+
+Short flags may be passed as a single arg, for example `-abc` is equivalent to `-a -b -c`. Multi-word options such as "--template-engine" are camel-cased, becoming `program.templateEngine` etc.
+
+Note that multi-word options starting with `--no` prefix negate the boolean value of the following word. For example, `--no-sauce` sets the value of `program.sauce` to false.
+
+```js
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var program = require('commander');
+
+program
+  .option('--no-sauce', 'Remove sauce')
+  .parse(process.argv);
+
+console.log('you ordered a pizza');
+if (program.sauce) console.log('  with sauce');
+else console.log(' without sauce');
+```
+
+To get string arguments from options you will need to use angle brackets <> for required inputs or square brackets [] for optional inputs. 
+
+e.g. ```.option('-m --myarg [myVar]', 'my super cool description')```
+
+Then to access the input if it was passed in.
+
+e.g. ```var myInput = program.myarg```
+
+**NOTE**: If you pass a argument without using brackets the example above will return true and not the value passed in.
+
+
+## Version option
+
+Calling the `version` implicitly adds the `-V` and `--version` options to the command.
+When either of these options is present, the command prints the version number and exits.
+
+    $ ./examples/pizza -V
+    0.0.1
+
+If you want your program to respond to the `-v` option instead of the `-V` option, simply pass custom flags to the `version` method using the same syntax as the `option` method.
+
+```js
+program
+  .version('0.0.1', '-v, --version')
+```
+
+The version flags can be named anything, but the long option is required.
+
+## Command-specific options
+
+You can attach options to a command.
+
+```js
+#!/usr/bin/env node
+
+var program = require('commander');
+
+program
+  .command('rm <dir>')
+  .option('-r, --recursive', 'Remove recursively')
+  .action(function (dir, cmd) {
+    console.log('remove ' + dir + (cmd.recursive ? ' recursively' : ''))
+  })
+
+program.parse(process.argv)
+```
+
+A command's options are validated when the command is used. Any unknown options will be reported as an error. However, if an action-based command does not define an action, then the options are not validated.
+
+## Coercion
+
+```js
+function range(val) {
+  return val.split('..').map(Number);
+}
+
+function list(val) {
+  return val.split(',');
+}
+
+function collect(val, memo) {
+  memo.push(val);
+  return memo;
+}
+
+function increaseVerbosity(v, total) {
+  return total + 1;
+}
+
+program
+  .version('0.1.0')
+  .usage('[options] <file ...>')
+  .option('-i, --integer <n>', 'An integer argument', parseInt)
+  .option('-f, --float <n>', 'A float argument', parseFloat)
+  .option('-r, --range <a>..<b>', 'A range', range)
+  .option('-l, --list <items>', 'A list', list)
+  .option('-o, --optional [value]', 'An optional value')
+  .option('-c, --collect [value]', 'A repeatable value', collect, [])
+  .option('-v, --verbose', 'A value that can be increased', increaseVerbosity, 0)
+  .parse(process.argv);
+
+console.log(' int: %j', program.integer);
+console.log(' float: %j', program.float);
+console.log(' optional: %j', program.optional);
+program.range = program.range || [];
+console.log(' range: %j..%j', program.range[0], program.range[1]);
+console.log(' list: %j', program.list);
+console.log(' collect: %j', program.collect);
+console.log(' verbosity: %j', program.verbose);
+console.log(' args: %j', program.args);
+```
+
+## Regular Expression
+```js
+program
+  .version('0.1.0')
+  .option('-s --size <size>', 'Pizza size', /^(large|medium|small)$/i, 'medium')
+  .option('-d --drink [drink]', 'Drink', /^(coke|pepsi|izze)$/i)
+  .parse(process.argv);
+
+console.log(' size: %j', program.size);
+console.log(' drink: %j', program.drink);
+```
+
+## Variadic arguments
+
+ The last argument of a command can be variadic, and only the last argument.  To make an argument variadic you have to
+ append `...` to the argument name.  Here is an example:
+
+```js
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .command('rmdir <dir> [otherDirs...]')
+  .action(function (dir, otherDirs) {
+    console.log('rmdir %s', dir);
+    if (otherDirs) {
+      otherDirs.forEach(function (oDir) {
+        console.log('rmdir %s', oDir);
+      });
+    }
+  });
+
+program.parse(process.argv);
+```
+
+ An `Array` is used for the value of a variadic argument.  This applies to `program.args` as well as the argument passed
+ to your action as demonstrated above.
+
+## Specify the argument syntax
+
+```js
+#!/usr/bin/env node
+
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .arguments('<cmd> [env]')
+  .action(function (cmd, env) {
+     cmdValue = cmd;
+     envValue = env;
+  });
+
+program.parse(process.argv);
+
+if (typeof cmdValue === 'undefined') {
+   console.error('no command given!');
+   process.exit(1);
+}
+console.log('command:', cmdValue);
+console.log('environment:', envValue || "no environment given");
+```
+Angled brackets (e.g. `<cmd>`) indicate required input. Square brackets (e.g. `[env]`) indicate optional input.
+
+## Git-style sub-commands
+
+```js
+// file: ./examples/pm
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .command('install [name]', 'install one or more packages')
+  .command('search [query]', 'search with optional query')
+  .command('list', 'list packages installed', {isDefault: true})
+  .parse(process.argv);
+```
+
+When `.command()` is invoked with a description argument, no `.action(callback)` should be called to handle sub-commands, otherwise there will be an error. This tells commander that you're going to use separate executables for sub-commands, much like `git(1)` and other popular tools.  
+The commander will try to search the executables in the directory of the entry script (like `./examples/pm`) with the name `program-command`, like `pm-install`, `pm-search`.
+
+Options can be passed with the call to `.command()`. Specifying `true` for `opts.noHelp` will remove the subcommand from the generated help output. Specifying `true` for `opts.isDefault` will run the subcommand if no other subcommand is specified.
+
+If the program is designed to be installed globally, make sure the executables have proper modes, like `755`.
+
+### `--harmony`
+
+You can enable `--harmony` option in two ways:
+* Use `#! /usr/bin/env node --harmony` in the sub-commands scripts. Note some os version don’t support this pattern.
+* Use the `--harmony` option when call the command, like `node --harmony examples/pm publish`. The `--harmony` option will be preserved when spawning sub-command process.
+
+## Automated --help
+
+ The help information is auto-generated based on the information commander already knows about your program, so the following `--help` info is for free:
+
+```  
+$ ./examples/pizza --help
+Usage: pizza [options]
+
+An application for pizzas ordering
+
+Options:
+  -h, --help           output usage information
+  -V, --version        output the version number
+  -p, --peppers        Add peppers
+  -P, --pineapple      Add pineapple
+  -b, --bbq            Add bbq sauce
+  -c, --cheese <type>  Add the specified type of cheese [marble]
+  -C, --no-cheese      You do not want any cheese
+```
+
+## Custom help
+
+ You can display arbitrary `-h, --help` information
+ by listening for "--help". Commander will automatically
+ exit once you are done so that the remainder of your program
+ does not execute causing undesired behaviors, for example
+ in the following executable "stuff" will not output when
+ `--help` is used.
+
+```js
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .option('-f, --foo', 'enable some foo')
+  .option('-b, --bar', 'enable some bar')
+  .option('-B, --baz', 'enable some baz');
+
+// must be before .parse() since
+// node's emit() is immediate
+
+program.on('--help', function(){
+  console.log('')
+  console.log('Examples:');
+  console.log('  $ custom-help --help');
+  console.log('  $ custom-help -h');
+});
+
+program.parse(process.argv);
+
+console.log('stuff');
+```
+
+Yields the following help output when `node script-name.js -h` or `node script-name.js --help` are run:
+
+```
+Usage: custom-help [options]
+
+Options:
+  -h, --help     output usage information
+  -V, --version  output the version number
+  -f, --foo      enable some foo
+  -b, --bar      enable some bar
+  -B, --baz      enable some baz
+
+Examples:
+  $ custom-help --help
+  $ custom-help -h
+```
+
+## .outputHelp(cb)
+
+Output help information without exiting.
+Optional callback cb allows post-processing of help text before it is displayed.
+
+If you want to display help by default (e.g. if no command was provided), you can use something like:
+
+```js
+var program = require('commander');
+var colors = require('colors');
+
+program
+  .version('0.1.0')
+  .command('getstream [url]', 'get stream URL')
+  .parse(process.argv);
+
+if (!process.argv.slice(2).length) {
+  program.outputHelp(make_red);
+}
+
+function make_red(txt) {
+  return colors.red(txt); //display the help text in red on the console
+}
+```
+
+## .help(cb)
+
+  Output help information and exit immediately.
+  Optional callback cb allows post-processing of help text before it is displayed.
+
+
+## Custom event listeners
+ You can execute custom actions by listening to command and option events.
+
+```js
+program.on('option:verbose', function () {
+  process.env.VERBOSE = this.verbose;
+});
+
+// error on unknown commands
+program.on('command:*', function () {
+  console.error('Invalid command: %s\nSee --help for a list of available commands.', program.args.join(' '));
+  process.exit(1);
+});
+```
+
+## Examples
+
+```js
+var program = require('commander');
+
+program
+  .version('0.1.0')
+  .option('-C, --chdir <path>', 'change the working directory')
+  .option('-c, --config <path>', 'set config path. defaults to ./deploy.conf')
+  .option('-T, --no-tests', 'ignore test hook');
+
+program
+  .command('setup [env]')
+  .description('run setup commands for all envs')
+  .option("-s, --setup_mode [mode]", "Which setup mode to use")
+  .action(function(env, options){
+    var mode = options.setup_mode || "normal";
+    env = env || 'all';
+    console.log('setup for %s env(s) with %s mode', env, mode);
+  });
+
+program
+  .command('exec <cmd>')
+  .alias('ex')
+  .description('execute the given remote cmd')
+  .option("-e, --exec_mode <mode>", "Which exec mode to use")
+  .action(function(cmd, options){
+    console.log('exec "%s" using %s mode', cmd, options.exec_mode);
+  }).on('--help', function() {
+    console.log('');
+    console.log('Examples:');
+    console.log('');
+    console.log('  $ deploy exec sequential');
+    console.log('  $ deploy exec async');
+  });
+
+program
+  .command('*')
+  .action(function(env){
+    console.log('deploying "%s"', env);
+  });
+
+program.parse(process.argv);
+```
+
+More Demos can be found in the [examples](https://github.com/tj/commander.js/tree/master/examples) directory.
+
+## License
+
+[MIT](https://github.com/tj/commander.js/blob/master/LICENSE)
diff --git a/node_modules/commander/index.js b/node_modules/commander/index.js
new file mode 100644
index 00000000..ec1d61d5
--- /dev/null
+++ b/node_modules/commander/index.js
@@ -0,0 +1,1224 @@
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter;
+var spawn = require('child_process').spawn;
+var path = require('path');
+var dirname = path.dirname;
+var basename = path.basename;
+var fs = require('fs');
+
+/**
+ * Inherit `Command` from `EventEmitter.prototype`.
+ */
+
+require('util').inherits(Command, EventEmitter);
+
+/**
+ * Expose the root command.
+ */
+
+exports = module.exports = new Command();
+
+/**
+ * Expose `Command`.
+ */
+
+exports.Command = Command;
+
+/**
+ * Expose `Option`.
+ */
+
+exports.Option = Option;
+
+/**
+ * Initialize a new `Option` with the given `flags` and `description`.
+ *
+ * @param {String} flags
+ * @param {String} description
+ * @api public
+ */
+
+function Option(flags, description) {
+  this.flags = flags;
+  this.required = flags.indexOf('<') >= 0;
+  this.optional = flags.indexOf('[') >= 0;
+  this.bool = flags.indexOf('-no-') === -1;
+  flags = flags.split(/[ ,|]+/);
+  if (flags.length > 1 && !/^[[<]/.test(flags[1])) this.short = flags.shift();
+  this.long = flags.shift();
+  this.description = description || '';
+}
+
+/**
+ * Return option name.
+ *
+ * @return {String}
+ * @api private
+ */
+
+Option.prototype.name = function() {
+  return this.long
+    .replace('--', '')
+    .replace('no-', '');
+};
+
+/**
+ * Return option name, in a camelcase format that can be used
+ * as a object attribute key.
+ *
+ * @return {String}
+ * @api private
+ */
+
+Option.prototype.attributeName = function() {
+  return camelcase(this.name());
+};
+
+/**
+ * Check if `arg` matches the short or long flag.
+ *
+ * @param {String} arg
+ * @return {Boolean}
+ * @api private
+ */
+
+Option.prototype.is = function(arg) {
+  return this.short === arg || this.long === arg;
+};
+
+/**
+ * Initialize a new `Command`.
+ *
+ * @param {String} name
+ * @api public
+ */
+
+function Command(name) {
+  this.commands = [];
+  this.options = [];
+  this._execs = {};
+  this._allowUnknownOption = false;
+  this._args = [];
+  this._name = name || '';
+}
+
+/**
+ * Add command `name`.
+ *
+ * The `.action()` callback is invoked when the
+ * command `name` is specified via __ARGV__,
+ * and the remaining arguments are applied to the
+ * function for access.
+ *
+ * When the `name` is "*" an un-matched command
+ * will be passed as the first arg, followed by
+ * the rest of __ARGV__ remaining.
+ *
+ * Examples:
+ *
+ *      program
+ *        .version('0.0.1')
+ *        .option('-C, --chdir <path>', 'change the working directory')
+ *        .option('-c, --config <path>', 'set config path. defaults to ./deploy.conf')
+ *        .option('-T, --no-tests', 'ignore test hook')
+ *
+ *      program
+ *        .command('setup')
+ *        .description('run remote setup commands')
+ *        .action(function() {
+ *          console.log('setup');
+ *        });
+ *
+ *      program
+ *        .command('exec <cmd>')
+ *        .description('run the given remote command')
+ *        .action(function(cmd) {
+ *          console.log('exec "%s"', cmd);
+ *        });
+ *
+ *      program
+ *        .command('teardown <dir> [otherDirs...]')
+ *        .description('run teardown commands')
+ *        .action(function(dir, otherDirs) {
+ *          console.log('dir "%s"', dir);
+ *          if (otherDirs) {
+ *            otherDirs.forEach(function (oDir) {
+ *              console.log('dir "%s"', oDir);
+ *            });
+ *          }
+ *        });
+ *
+ *      program
+ *        .command('*')
+ *        .description('deploy the given env')
+ *        .action(function(env) {
+ *          console.log('deploying "%s"', env);
+ *        });
+ *
+ *      program.parse(process.argv);
+  *
+ * @param {String} name
+ * @param {String} [desc] for git-style sub-commands
+ * @return {Command} the new command
+ * @api public
+ */
+
+Command.prototype.command = function(name, desc, opts) {
+  if (typeof desc === 'object' && desc !== null) {
+    opts = desc;
+    desc = null;
+  }
+  opts = opts || {};
+  var args = name.split(/ +/);
+  var cmd = new Command(args.shift());
+
+  if (desc) {
+    cmd.description(desc);
+    this.executables = true;
+    this._execs[cmd._name] = true;
+    if (opts.isDefault) this.defaultExecutable = cmd._name;
+  }
+  cmd._noHelp = !!opts.noHelp;
+  this.commands.push(cmd);
+  cmd.parseExpectedArgs(args);
+  cmd.parent = this;
+
+  if (desc) return this;
+  return cmd;
+};
+
+/**
+ * Define argument syntax for the top-level command.
+ *
+ * @api public
+ */
+
+Command.prototype.arguments = function(desc) {
+  return this.parseExpectedArgs(desc.split(/ +/));
+};
+
+/**
+ * Add an implicit `help [cmd]` subcommand
+ * which invokes `--help` for the given command.
+ *
+ * @api private
+ */
+
+Command.prototype.addImplicitHelpCommand = function() {
+  this.command('help [cmd]', 'display help for [cmd]');
+};
+
+/**
+ * Parse expected `args`.
+ *
+ * For example `["[type]"]` becomes `[{ required: false, name: 'type' }]`.
+ *
+ * @param {Array} args
+ * @return {Command} for chaining
+ * @api public
+ */
+
+Command.prototype.parseExpectedArgs = function(args) {
+  if (!args.length) return;
+  var self = this;
+  args.forEach(function(arg) {
+    var argDetails = {
+      required: false,
+      name: '',
+      variadic: false
+    };
+
+    switch (arg[0]) {
+      case '<':
+        argDetails.required = true;
+        argDetails.name = arg.slice(1, -1);
+        break;
+      case '[':
+        argDetails.name = arg.slice(1, -1);
+        break;
+    }
+
+    if (argDetails.name.length > 3 && argDetails.name.slice(-3) === '...') {
+      argDetails.variadic = true;
+      argDetails.name = argDetails.name.slice(0, -3);
+    }
+    if (argDetails.name) {
+      self._args.push(argDetails);
+    }
+  });
+  return this;
+};
+
+/**
+ * Register callback `fn` for the command.
+ *
+ * Examples:
+ *
+ *      program
+ *        .command('help')
+ *        .description('display verbose help')
+ *        .action(function() {
+ *           // output help here
+ *        });
+ *
+ * @param {Function} fn
+ * @return {Command} for chaining
+ * @api public
+ */
+
+Command.prototype.action = function(fn) {
+  var self = this;
+  var listener = function(args, unknown) {
+    // Parse any so-far unknown options
+    args = args || [];
+    unknown = unknown || [];
+
+    var parsed = self.parseOptions(unknown);
+
+    // Output help if necessary
+    outputHelpIfNecessary(self, parsed.unknown);
+
+    // If there are still any unknown options, then we simply
+    // die, unless someone asked for help, in which case we give it
+    // to them, and then we die.
+    if (parsed.unknown.length > 0) {
+      self.unknownOption(parsed.unknown[0]);
+    }
+
+    // Leftover arguments need to be pushed back. Fixes issue #56
+    if (parsed.args.length) args = parsed.args.concat(args);
+
+    self._args.forEach(function(arg, i) {
+      if (arg.required && args[i] == null) {
+        self.missingArgument(arg.name);
+      } else if (arg.variadic) {
+        if (i !== self._args.length - 1) {
+          self.variadicArgNotLast(arg.name);
+        }
+
+        args[i] = args.splice(i);
+      }
+    });
+
+    // Always append ourselves to the end of the arguments,
+    // to make sure we match the number of arguments the user
+    // expects
+    if (self._args.length) {
+      args[self._args.length] = self;
+    } else {
+      args.push(self);
+    }
+
+    fn.apply(self, args);
+  };
+  var parent = this.parent || this;
+  var name = parent === this ? '*' : this._name;
+  parent.on('command:' + name, listener);
+  if (this._alias) parent.on('command:' + this._alias, listener);
+  return this;
+};
+
+/**
+ * Define option with `flags`, `description` and optional
+ * coercion `fn`.
+ *
+ * The `flags` string should contain both the short and long flags,
+ * separated by comma, a pipe or space. The following are all valid
+ * all will output this way when `--help` is used.
+ *
+ *    "-p, --pepper"
+ *    "-p|--pepper"
+ *    "-p --pepper"
+ *
+ * Examples:
+ *
+ *     // simple boolean defaulting to false
+ *     program.option('-p, --pepper', 'add pepper');
+ *
+ *     --pepper
+ *     program.pepper
+ *     // => Boolean
+ *
+ *     // simple boolean defaulting to true
+ *     program.option('-C, --no-cheese', 'remove cheese');
+ *
+ *     program.cheese
+ *     // => true
+ *
+ *     --no-cheese
+ *     program.cheese
+ *     // => false
+ *
+ *     // required argument
+ *     program.option('-C, --chdir <path>', 'change the working directory');
+ *
+ *     --chdir /tmp
+ *     program.chdir
+ *     // => "/tmp"
+ *
+ *     // optional argument
+ *     program.option('-c, --cheese [type]', 'add cheese [marble]');
+ *
+ * @param {String} flags
+ * @param {String} description
+ * @param {Function|*} [fn] or default
+ * @param {*} [defaultValue]
+ * @return {Command} for chaining
+ * @api public
+ */
+
+Command.prototype.option = function(flags, description, fn, defaultValue) {
+  var self = this,
+    option = new Option(flags, description),
+    oname = option.name(),
+    name = option.attributeName();
+
+  // default as 3rd arg
+  if (typeof fn !== 'function') {
+    if (fn instanceof RegExp) {
+      var regex = fn;
+      fn = function(val, def) {
+        var m = regex.exec(val);
+        return m ? m[0] : def;
+      };
+    } else {
+      defaultValue = fn;
+      fn = null;
+    }
+  }
+
+  // preassign default value only for --no-*, [optional], or <required>
+  if (!option.bool || option.optional || option.required) {
+    // when --no-* we make sure default is true
+    if (!option.bool) defaultValue = true;
+    // preassign only if we have a default
+    if (defaultValue !== undefined) {
+      self[name] = defaultValue;
+      option.defaultValue = defaultValue;
+    }
+  }
+
+  // register the option
+  this.options.push(option);
+
+  // when it's passed assign the value
+  // and conditionally invoke the callback
+  this.on('option:' + oname, function(val) {
+    // coercion
+    if (val !== null && fn) {
+      val = fn(val, self[name] === undefined ? defaultValue : self[name]);
+    }
+
+    // unassigned or bool
+    if (typeof self[name] === 'boolean' || typeof self[name] === 'undefined') {
+      // if no value, bool true, and we have a default, then use it!
+      if (val == null) {
+        self[name] = option.bool
+          ? defaultValue || true
+          : false;
+      } else {
+        self[name] = val;
+      }
+    } else if (val !== null) {
+      // reassign
+      self[name] = val;
+    }
+  });
+
+  return this;
+};
+
+/**
+ * Allow unknown options on the command line.
+ *
+ * @param {Boolean} arg if `true` or omitted, no error will be thrown
+ * for unknown options.
+ * @api public
+ */
+Command.prototype.allowUnknownOption = function(arg) {
+  this._allowUnknownOption = arguments.length === 0 || arg;
+  return this;
+};
+
+/**
+ * Parse `argv`, settings options and invoking commands when defined.
+ *
+ * @param {Array} argv
+ * @return {Command} for chaining
+ * @api public
+ */
+
+Command.prototype.parse = function(argv) {
+  // implicit help
+  if (this.executables) this.addImplicitHelpCommand();
+
+  // store raw args
+  this.rawArgs = argv;
+
+  // guess name
+  this._name = this._name || basename(argv[1], '.js');
+
+  // github-style sub-commands with no sub-command
+  if (this.executables && argv.length < 3 && !this.defaultExecutable) {
+    // this user needs help
+    argv.push('--help');
+  }
+
+  // process argv
+  var parsed = this.parseOptions(this.normalize(argv.slice(2)));
+  var args = this.args = parsed.args;
+
+  var result = this.parseArgs(this.args, parsed.unknown);
+
+  // executable sub-commands
+  var name = result.args[0];
+
+  var aliasCommand = null;
+  // check alias of sub commands
+  if (name) {
+    aliasCommand = this.commands.filter(function(command) {
+      return command.alias() === name;
+    })[0];
+  }
+
+  if (this._execs[name] === true) {
+    return this.executeSubCommand(argv, args, parsed.unknown);
+  } else if (aliasCommand) {
+    // is alias of a subCommand
+    args[0] = aliasCommand._name;
+    return this.executeSubCommand(argv, args, parsed.unknown);
+  } else if (this.defaultExecutable) {
+    // use the default subcommand
+    args.unshift(this.defaultExecutable);
+    return this.executeSubCommand(argv, args, parsed.unknown);
+  }
+
+  return result;
+};
+
+/**
+ * Execute a sub-command executable.
+ *
+ * @param {Array} argv
+ * @param {Array} args
+ * @param {Array} unknown
+ * @api private
+ */
+
+Command.prototype.executeSubCommand = function(argv, args, unknown) {
+  args = args.concat(unknown);
+
+  if (!args.length) this.help();
+  if (args[0] === 'help' && args.length === 1) this.help();
+
+  // <cmd> --help
+  if (args[0] === 'help') {
+    args[0] = args[1];
+    args[1] = '--help';
+  }
+
+  // executable
+  var f = argv[1];
+  // name of the subcommand, link `pm-install`
+  var bin = basename(f, path.extname(f)) + '-' + args[0];
+
+  // In case of globally installed, get the base dir where executable
+  //  subcommand file should be located at
+  var baseDir;
+
+  var resolvedLink = fs.realpathSync(f);
+
+  baseDir = dirname(resolvedLink);
+
+  // prefer local `./<bin>` to bin in the $PATH
+  var localBin = path.join(baseDir, bin);
+
+  // whether bin file is a js script with explicit `.js` or `.ts` extension
+  var isExplicitJS = false;
+  if (exists(localBin + '.js')) {
+    bin = localBin + '.js';
+    isExplicitJS = true;
+  } else if (exists(localBin + '.ts')) {
+    bin = localBin + '.ts';
+    isExplicitJS = true;
+  } else if (exists(localBin)) {
+    bin = localBin;
+  }
+
+  args = args.slice(1);
+
+  var proc;
+  if (process.platform !== 'win32') {
+    if (isExplicitJS) {
+      args.unshift(bin);
+      // add executable arguments to spawn
+      args = (process.execArgv || []).concat(args);
+
+      proc = spawn(process.argv[0], args, { stdio: 'inherit', customFds: [0, 1, 2] });
+    } else {
+      proc = spawn(bin, args, { stdio: 'inherit', customFds: [0, 1, 2] });
+    }
+  } else {
+    args.unshift(bin);
+    proc = spawn(process.execPath, args, { stdio: 'inherit' });
+  }
+
+  var signals = ['SIGUSR1', 'SIGUSR2', 'SIGTERM', 'SIGINT', 'SIGHUP'];
+  signals.forEach(function(signal) {
+    process.on(signal, function() {
+      if (proc.killed === false && proc.exitCode === null) {
+        proc.kill(signal);
+      }
+    });
+  });
+  proc.on('close', process.exit.bind(process));
+  proc.on('error', function(err) {
+    if (err.code === 'ENOENT') {
+      console.error('error: %s(1) does not exist, try --help', bin);
+    } else if (err.code === 'EACCES') {
+      console.error('error: %s(1) not executable. try chmod or run with root', bin);
+    }
+    process.exit(1);
+  });
+
+  // Store the reference to the child process
+  this.runningCommand = proc;
+};
+
+/**
+ * Normalize `args`, splitting joined short flags. For example
+ * the arg "-abc" is equivalent to "-a -b -c".
+ * This also normalizes equal sign and splits "--abc=def" into "--abc def".
+ *
+ * @param {Array} args
+ * @return {Array}
+ * @api private
+ */
+
+Command.prototype.normalize = function(args) {
+  var ret = [],
+    arg,
+    lastOpt,
+    index;
+
+  for (var i = 0, len = args.length; i < len; ++i) {
+    arg = args[i];
+    if (i > 0) {
+      lastOpt = this.optionFor(args[i - 1]);
+    }
+
+    if (arg === '--') {
+      // Honor option terminator
+      ret = ret.concat(args.slice(i));
+      break;
+    } else if (lastOpt && lastOpt.required) {
+      ret.push(arg);
+    } else if (arg.length > 1 && arg[0] === '-' && arg[1] !== '-') {
+      arg.slice(1).split('').forEach(function(c) {
+        ret.push('-' + c);
+      });
+    } else if (/^--/.test(arg) && ~(index = arg.indexOf('='))) {
+      ret.push(arg.slice(0, index), arg.slice(index + 1));
+    } else {
+      ret.push(arg);
+    }
+  }
+
+  return ret;
+};
+
+/**
+ * Parse command `args`.
+ *
+ * When listener(s) are available those
+ * callbacks are invoked, otherwise the "*"
+ * event is emitted and those actions are invoked.
+ *
+ * @param {Array} args
+ * @return {Command} for chaining
+ * @api private
+ */
+
+Command.prototype.parseArgs = function(args, unknown) {
+  var name;
+
+  if (args.length) {
+    name = args[0];
+    if (this.listeners('command:' + name).length) {
+      this.emit('command:' + args.shift(), args, unknown);
+    } else {
+      this.emit('command:*', args);
+    }
+  } else {
+    outputHelpIfNecessary(this, unknown);
+
+    // If there were no args and we have unknown options,
+    // then they are extraneous and we need to error.
+    if (unknown.length > 0) {
+      this.unknownOption(unknown[0]);
+    }
+    if (this.commands.length === 0 &&
+        this._args.filter(function(a) { return a.required; }).length === 0) {
+      this.emit('command:*');
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Return an option matching `arg` if any.
+ *
+ * @param {String} arg
+ * @return {Option}
+ * @api private
+ */
+
+Command.prototype.optionFor = function(arg) {
+  for (var i = 0, len = this.options.length; i < len; ++i) {
+    if (this.options[i].is(arg)) {
+      return this.options[i];
+    }
+  }
+};
+
+/**
+ * Parse options from `argv` returning `argv`
+ * void of these options.
+ *
+ * @param {Array} argv
+ * @return {Array}
+ * @api public
+ */
+
+Command.prototype.parseOptions = function(argv) {
+  var args = [],
+    len = argv.length,
+    literal,
+    option,
+    arg;
+
+  var unknownOptions = [];
+
+  // parse options
+  for (var i = 0; i < len; ++i) {
+    arg = argv[i];
+
+    // literal args after --
+    if (literal) {
+      args.push(arg);
+      continue;
+    }
+
+    if (arg === '--') {
+      literal = true;
+      continue;
+    }
+
+    // find matching Option
+    option = this.optionFor(arg);
+
+    // option is defined
+    if (option) {
+      // requires arg
+      if (option.required) {
+        arg = argv[++i];
+        if (arg == null) return this.optionMissingArgument(option);
+        this.emit('option:' + option.name(), arg);
+      // optional arg
+      } else if (option.optional) {
+        arg = argv[i + 1];
+        if (arg == null || (arg[0] === '-' && arg !== '-')) {
+          arg = null;
+        } else {
+          ++i;
+        }
+        this.emit('option:' + option.name(), arg);
+      // bool
+      } else {
+        this.emit('option:' + option.name());
+      }
+      continue;
+    }
+
+    // looks like an option
+    if (arg.length > 1 && arg[0] === '-') {
+      unknownOptions.push(arg);
+
+      // If the next argument looks like it might be
+      // an argument for this option, we pass it on.
+      // If it isn't, then it'll simply be ignored
+      if ((i + 1) < argv.length && argv[i + 1][0] !== '-') {
+        unknownOptions.push(argv[++i]);
+      }
+      continue;
+    }
+
+    // arg
+    args.push(arg);
+  }
+
+  return { args: args, unknown: unknownOptions };
+};
+
+/**
+ * Return an object containing options as key-value pairs
+ *
+ * @return {Object}
+ * @api public
+ */
+Command.prototype.opts = function() {
+  var result = {},
+    len = this.options.length;
+
+  for (var i = 0; i < len; i++) {
+    var key = this.options[i].attributeName();
+    result[key] = key === this._versionOptionName ? this._version : this[key];
+  }
+  return result;
+};
+
+/**
+ * Argument `name` is missing.
+ *
+ * @param {String} name
+ * @api private
+ */
+
+Command.prototype.missingArgument = function(name) {
+  console.error("error: missing required argument `%s'", name);
+  process.exit(1);
+};
+
+/**
+ * `Option` is missing an argument, but received `flag` or nothing.
+ *
+ * @param {String} option
+ * @param {String} flag
+ * @api private
+ */
+
+Command.prototype.optionMissingArgument = function(option, flag) {
+  if (flag) {
+    console.error("error: option `%s' argument missing, got `%s'", option.flags, flag);
+  } else {
+    console.error("error: option `%s' argument missing", option.flags);
+  }
+  process.exit(1);
+};
+
+/**
+ * Unknown option `flag`.
+ *
+ * @param {String} flag
+ * @api private
+ */
+
+Command.prototype.unknownOption = function(flag) {
+  if (this._allowUnknownOption) return;
+  console.error("error: unknown option `%s'", flag);
+  process.exit(1);
+};
+
+/**
+ * Variadic argument with `name` is not the last argument as required.
+ *
+ * @param {String} name
+ * @api private
+ */
+
+Command.prototype.variadicArgNotLast = function(name) {
+  console.error("error: variadic arguments must be last `%s'", name);
+  process.exit(1);
+};
+
+/**
+ * Set the program version to `str`.
+ *
+ * This method auto-registers the "-V, --version" flag
+ * which will print the version number when passed.
+ *
+ * @param {String} str
+ * @param {String} [flags]
+ * @return {Command} for chaining
+ * @api public
+ */
+
+Command.prototype.version = function(str, flags) {
+  if (arguments.length === 0) return this._version;
+  this._version = str;
+  flags = flags || '-V, --version';
+  var versionOption = new Option(flags, 'output the version number');
+  this._versionOptionName = versionOption.long.substr(2) || 'version';
+  this.options.push(versionOption);
+  this.on('option:' + this._versionOptionName, function() {
+    process.stdout.write(str + '\n');
+    process.exit(0);
+  });
+  return this;
+};
+
+/**
+ * Set the description to `str`.
+ *
+ * @param {String} str
+ * @param {Object} argsDescription
+ * @return {String|Command}
+ * @api public
+ */
+
+Command.prototype.description = function(str, argsDescription) {
+  if (arguments.length === 0) return this._description;
+  this._description = str;
+  this._argsDescription = argsDescription;
+  return this;
+};
+
+/**
+ * Set an alias for the command
+ *
+ * @param {String} alias
+ * @return {String|Command}
+ * @api public
+ */
+
+Command.prototype.alias = function(alias) {
+  var command = this;
+  if (this.commands.length !== 0) {
+    command = this.commands[this.commands.length - 1];
+  }
+
+  if (arguments.length === 0) return command._alias;
+
+  if (alias === command._name) throw new Error('Command alias can\'t be the same as its name');
+
+  command._alias = alias;
+  return this;
+};
+
+/**
+ * Set / get the command usage `str`.
+ *
+ * @param {String} str
+ * @return {String|Command}
+ * @api public
+ */
+
+Command.prototype.usage = function(str) {
+  var args = this._args.map(function(arg) {
+    return humanReadableArgName(arg);
+  });
+
+  var usage = '[options]' +
+    (this.commands.length ? ' [command]' : '') +
+    (this._args.length ? ' ' + args.join(' ') : '');
+
+  if (arguments.length === 0) return this._usage || usage;
+  this._usage = str;
+
+  return this;
+};
+
+/**
+ * Get or set the name of the command
+ *
+ * @param {String} str
+ * @return {String|Command}
+ * @api public
+ */
+
+Command.prototype.name = function(str) {
+  if (arguments.length === 0) return this._name;
+  this._name = str;
+  return this;
+};
+
+/**
+ * Return prepared commands.
+ *
+ * @return {Array}
+ * @api private
+ */
+
+Command.prototype.prepareCommands = function() {
+  return this.commands.filter(function(cmd) {
+    return !cmd._noHelp;
+  }).map(function(cmd) {
+    var args = cmd._args.map(function(arg) {
+      return humanReadableArgName(arg);
+    }).join(' ');
+
+    return [
+      cmd._name +
+        (cmd._alias ? '|' + cmd._alias : '') +
+        (cmd.options.length ? ' [options]' : '') +
+        (args ? ' ' + args : ''),
+      cmd._description
+    ];
+  });
+};
+
+/**
+ * Return the largest command length.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+Command.prototype.largestCommandLength = function() {
+  var commands = this.prepareCommands();
+  return commands.reduce(function(max, command) {
+    return Math.max(max, command[0].length);
+  }, 0);
+};
+
+/**
+ * Return the largest option length.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+Command.prototype.largestOptionLength = function() {
+  var options = [].slice.call(this.options);
+  options.push({
+    flags: '-h, --help'
+  });
+  return options.reduce(function(max, option) {
+    return Math.max(max, option.flags.length);
+  }, 0);
+};
+
+/**
+ * Return the largest arg length.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+Command.prototype.largestArgLength = function() {
+  return this._args.reduce(function(max, arg) {
+    return Math.max(max, arg.name.length);
+  }, 0);
+};
+
+/**
+ * Return the pad width.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+Command.prototype.padWidth = function() {
+  var width = this.largestOptionLength();
+  if (this._argsDescription && this._args.length) {
+    if (this.largestArgLength() > width) {
+      width = this.largestArgLength();
+    }
+  }
+
+  if (this.commands && this.commands.length) {
+    if (this.largestCommandLength() > width) {
+      width = this.largestCommandLength();
+    }
+  }
+
+  return width;
+};
+
+/**
+ * Return help for options.
+ *
+ * @return {String}
+ * @api private
+ */
+
+Command.prototype.optionHelp = function() {
+  var width = this.padWidth();
+
+  // Append the help information
+  return this.options.map(function(option) {
+    return pad(option.flags, width) + '  ' + option.description +
+      ((option.bool && option.defaultValue !== undefined) ? ' (default: ' + JSON.stringify(option.defaultValue) + ')' : '');
+  }).concat([pad('-h, --help', width) + '  ' + 'output usage information'])
+    .join('\n');
+};
+
+/**
+ * Return command help documentation.
+ *
+ * @return {String}
+ * @api private
+ */
+
+Command.prototype.commandHelp = function() {
+  if (!this.commands.length) return '';
+
+  var commands = this.prepareCommands();
+  var width = this.padWidth();
+
+  return [
+    'Commands:',
+    commands.map(function(cmd) {
+      var desc = cmd[1] ? '  ' + cmd[1] : '';
+      return (desc ? pad(cmd[0], width) : cmd[0]) + desc;
+    }).join('\n').replace(/^/gm, '  '),
+    ''
+  ].join('\n');
+};
+
+/**
+ * Return program help documentation.
+ *
+ * @return {String}
+ * @api private
+ */
+
+Command.prototype.helpInformation = function() {
+  var desc = [];
+  if (this._description) {
+    desc = [
+      this._description,
+      ''
+    ];
+
+    var argsDescription = this._argsDescription;
+    if (argsDescription && this._args.length) {
+      var width = this.padWidth();
+      desc.push('Arguments:');
+      desc.push('');
+      this._args.forEach(function(arg) {
+        desc.push('  ' + pad(arg.name, width) + '  ' + argsDescription[arg.name]);
+      });
+      desc.push('');
+    }
+  }
+
+  var cmdName = this._name;
+  if (this._alias) {
+    cmdName = cmdName + '|' + this._alias;
+  }
+  var usage = [
+    'Usage: ' + cmdName + ' ' + this.usage(),
+    ''
+  ];
+
+  var cmds = [];
+  var commandHelp = this.commandHelp();
+  if (commandHelp) cmds = [commandHelp];
+
+  var options = [
+    'Options:',
+    '' + this.optionHelp().replace(/^/gm, '  '),
+    ''
+  ];
+
+  return usage
+    .concat(desc)
+    .concat(options)
+    .concat(cmds)
+    .join('\n');
+};
+
+/**
+ * Output help information for this command
+ *
+ * @api public
+ */
+
+Command.prototype.outputHelp = function(cb) {
+  if (!cb) {
+    cb = function(passthru) {
+      return passthru;
+    };
+  }
+  process.stdout.write(cb(this.helpInformation()));
+  this.emit('--help');
+};
+
+/**
+ * Output help information and exit.
+ *
+ * @api public
+ */
+
+Command.prototype.help = function(cb) {
+  this.outputHelp(cb);
+  process.exit();
+};
+
+/**
+ * Camel-case the given `flag`
+ *
+ * @param {String} flag
+ * @return {String}
+ * @api private
+ */
+
+function camelcase(flag) {
+  return flag.split('-').reduce(function(str, word) {
+    return str + word[0].toUpperCase() + word.slice(1);
+  });
+}
+
+/**
+ * Pad `str` to `width`.
+ *
+ * @param {String} str
+ * @param {Number} width
+ * @return {String}
+ * @api private
+ */
+
+function pad(str, width) {
+  var len = Math.max(0, width - str.length);
+  return str + Array(len + 1).join(' ');
+}
+
+/**
+ * Output help information if necessary
+ *
+ * @param {Command} command to output help for
+ * @param {Array} array of options to search for -h or --help
+ * @api private
+ */
+
+function outputHelpIfNecessary(cmd, options) {
+  options = options || [];
+  for (var i = 0; i < options.length; i++) {
+    if (options[i] === '--help' || options[i] === '-h') {
+      cmd.outputHelp();
+      process.exit(0);
+    }
+  }
+}
+
+/**
+ * Takes an argument an returns its human readable equivalent for help usage.
+ *
+ * @param {Object} arg
+ * @return {String}
+ * @api private
+ */
+
+function humanReadableArgName(arg) {
+  var nameOutput = arg.name + (arg.variadic === true ? '...' : '');
+
+  return arg.required
+    ? '<' + nameOutput + '>'
+    : '[' + nameOutput + ']';
+}
+
+// for versions before node v0.8 when there weren't `fs.existsSync`
+function exists(file) {
+  try {
+    if (fs.statSync(file).isFile()) {
+      return true;
+    }
+  } catch (e) {
+    return false;
+  }
+}
diff --git a/node_modules/commander/package.json b/node_modules/commander/package.json
new file mode 100644
index 00000000..0023c5cd
--- /dev/null
+++ b/node_modules/commander/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "commander",
+  "version": "2.20.3",
+  "description": "the complete solution for node.js command-line programs",
+  "keywords": [
+    "commander",
+    "command",
+    "option",
+    "parser"
+  ],
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/tj/commander.js.git"
+  },
+  "scripts": {
+    "lint": "eslint index.js",
+    "test": "node test/run.js && npm run test-typings",
+    "test-typings": "tsc -p tsconfig.json"
+  },
+  "main": "index",
+  "files": [
+    "index.js",
+    "typings/index.d.ts"
+  ],
+  "dependencies": {},
+  "devDependencies": {
+    "@types/node": "^12.7.8",
+    "eslint": "^6.4.0",
+    "should": "^13.2.3",
+    "sinon": "^7.5.0",
+    "standard": "^14.3.1",
+    "ts-node": "^8.4.1",
+    "typescript": "^3.6.3"
+  },
+  "typings": "typings/index.d.ts"
+}
diff --git a/node_modules/commander/typings/index.d.ts b/node_modules/commander/typings/index.d.ts
new file mode 100644
index 00000000..bcda2771
--- /dev/null
+++ b/node_modules/commander/typings/index.d.ts
@@ -0,0 +1,310 @@
+// Type definitions for commander 2.11
+// Project: https://github.com/visionmedia/commander.js
+// Definitions by: Alan Agius <https://github.com/alan-agius4>, Marcelo Dezem <https://github.com/mdezem>, vvakame <https://github.com/vvakame>, Jules Randolph <https://github.com/sveinburne>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare namespace local {
+
+  class Option {
+    flags: string;
+    required: boolean;
+    optional: boolean;
+    bool: boolean;
+    short?: string;
+    long: string;
+    description: string;
+
+    /**
+     * Initialize a new `Option` with the given `flags` and `description`.
+     *
+     * @param {string} flags
+     * @param {string} [description]
+     */
+    constructor(flags: string, description?: string);
+  }
+
+  class Command extends NodeJS.EventEmitter {
+    [key: string]: any;
+
+    args: string[];
+
+    /**
+     * Initialize a new `Command`.
+     *
+     * @param {string} [name]
+     */
+    constructor(name?: string);
+
+    /**
+     * Set the program version to `str`.
+     *
+     * This method auto-registers the "-V, --version" flag
+     * which will print the version number when passed.
+     *
+     * @param {string} str
+     * @param {string} [flags]
+     * @returns {Command} for chaining
+     */
+    version(str: string, flags?: string): Command;
+
+    /**
+     * Add command `name`.
+     *
+     * The `.action()` callback is invoked when the
+     * command `name` is specified via __ARGV__,
+     * and the remaining arguments are applied to the
+     * function for access.
+     *
+     * When the `name` is "*" an un-matched command
+     * will be passed as the first arg, followed by
+     * the rest of __ARGV__ remaining.
+     *
+     * @example
+     *      program
+     *        .version('0.0.1')
+     *        .option('-C, --chdir <path>', 'change the working directory')
+     *        .option('-c, --config <path>', 'set config path. defaults to ./deploy.conf')
+     *        .option('-T, --no-tests', 'ignore test hook')
+     *
+     *      program
+     *        .command('setup')
+     *        .description('run remote setup commands')
+     *        .action(function() {
+     *          console.log('setup');
+     *        });
+     *
+     *      program
+     *        .command('exec <cmd>')
+     *        .description('run the given remote command')
+     *        .action(function(cmd) {
+     *          console.log('exec "%s"', cmd);
+     *        });
+     *
+     *      program
+     *        .command('teardown <dir> [otherDirs...]')
+     *        .description('run teardown commands')
+     *        .action(function(dir, otherDirs) {
+     *          console.log('dir "%s"', dir);
+     *          if (otherDirs) {
+     *            otherDirs.forEach(function (oDir) {
+     *              console.log('dir "%s"', oDir);
+     *            });
+     *          }
+     *        });
+     *
+     *      program
+     *        .command('*')
+     *        .description('deploy the given env')
+     *        .action(function(env) {
+     *          console.log('deploying "%s"', env);
+     *        });
+     *
+     *      program.parse(process.argv);
+     *
+     * @param {string} name
+     * @param {string} [desc] for git-style sub-commands
+     * @param {CommandOptions} [opts] command options
+     * @returns {Command} the new command
+     */
+    command(name: string, desc?: string, opts?: commander.CommandOptions): Command;
+
+    /**
+     * Define argument syntax for the top-level command.
+     *
+     * @param {string} desc
+     * @returns {Command} for chaining
+     */
+    arguments(desc: string): Command;
+
+    /**
+     * Parse expected `args`.
+     *
+     * For example `["[type]"]` becomes `[{ required: false, name: 'type' }]`.
+     *
+     * @param {string[]} args
+     * @returns {Command} for chaining
+     */
+    parseExpectedArgs(args: string[]): Command;
+
+    /**
+     * Register callback `fn` for the command.
+     *
+     * @example
+     *      program
+     *        .command('help')
+     *        .description('display verbose help')
+     *        .action(function() {
+     *           // output help here
+     *        });
+     *
+     * @param {(...args: any[]) => void} fn
+     * @returns {Command} for chaining
+     */
+    action(fn: (...args: any[]) => void): Command;
+
+    /**
+     * Define option with `flags`, `description` and optional
+     * coercion `fn`.
+     *
+     * The `flags` string should contain both the short and long flags,
+     * separated by comma, a pipe or space. The following are all valid
+     * all will output this way when `--help` is used.
+     *
+     *    "-p, --pepper"
+     *    "-p|--pepper"
+     *    "-p --pepper"
+     *
+     * @example
+     *     // simple boolean defaulting to false
+     *     program.option('-p, --pepper', 'add pepper');
+     *
+     *     --pepper
+     *     program.pepper
+     *     // => Boolean
+     *
+     *     // simple boolean defaulting to true
+     *     program.option('-C, --no-cheese', 'remove cheese');
+     *
+     *     program.cheese
+     *     // => true
+     *
+     *     --no-cheese
+     *     program.cheese
+     *     // => false
+     *
+     *     // required argument
+     *     program.option('-C, --chdir <path>', 'change the working directory');
+     *
+     *     --chdir /tmp
+     *     program.chdir
+     *     // => "/tmp"
+     *
+     *     // optional argument
+     *     program.option('-c, --cheese [type]', 'add cheese [marble]');
+     *
+     * @param {string} flags
+     * @param {string} [description]
+     * @param {((arg1: any, arg2: any) => void) | RegExp} [fn] function or default
+     * @param {*} [defaultValue]
+     * @returns {Command} for chaining
+     */
+    option(flags: string, description?: string, fn?: ((arg1: any, arg2: any) => void) | RegExp, defaultValue?: any): Command;
+    option(flags: string, description?: string, defaultValue?: any): Command;
+
+    /**
+     * Allow unknown options on the command line.
+     *
+     * @param {boolean} [arg] if `true` or omitted, no error will be thrown for unknown options.
+     * @returns {Command} for chaining
+     */
+    allowUnknownOption(arg?: boolean): Command;
+
+    /**
+     * Parse `argv`, settings options and invoking commands when defined.
+     *
+     * @param {string[]} argv
+     * @returns {Command} for chaining
+     */
+    parse(argv: string[]): Command;
+
+    /**
+     * Parse options from `argv` returning `argv` void of these options.
+     *
+     * @param {string[]} argv
+     * @returns {ParseOptionsResult}
+     */
+    parseOptions(argv: string[]): commander.ParseOptionsResult;
+
+    /**
+     * Return an object containing options as key-value pairs
+     *
+     * @returns {{[key: string]: any}}
+     */
+    opts(): { [key: string]: any };
+
+    /**
+     * Set the description to `str`.
+     *
+     * @param {string} str
+     * @param {{[argName: string]: string}} argsDescription
+     * @return {(Command | string)}
+     */
+    description(str: string, argsDescription?: {[argName: string]: string}): Command;
+    description(): string;
+
+    /**
+     * Set an alias for the command.
+     *
+     * @param {string} alias
+     * @return {(Command | string)}
+     */
+    alias(alias: string): Command;
+    alias(): string;
+
+    /**
+     * Set or get the command usage.
+     *
+     * @param {string} str
+     * @return {(Command | string)}
+     */
+    usage(str: string): Command;
+    usage(): string;
+
+    /**
+     * Set the name of the command.
+     *
+     * @param {string} str
+     * @return {Command}
+     */
+    name(str: string): Command;
+
+    /**
+     * Get the name of the command.
+     *
+     * @return {string}
+     */
+    name(): string;
+
+    /**
+     * Output help information for this command.
+     *
+     * @param {(str: string) => string} [cb]
+     */
+    outputHelp(cb?: (str: string) => string): void;
+
+    /** Output help information and exit.
+     *
+     * @param {(str: string) => string} [cb]
+     */
+    help(cb?: (str: string) => string): never;
+  }
+
+}
+
+declare namespace commander {
+
+    type Command = local.Command
+
+    type Option = local.Option
+
+    interface CommandOptions {
+        noHelp?: boolean;
+        isDefault?: boolean;
+    }
+
+    interface ParseOptionsResult {
+        args: string[];
+        unknown: string[];
+    }
+
+    interface CommanderStatic extends Command {
+        Command: typeof local.Command;
+        Option: typeof local.Option;
+        CommandOptions: CommandOptions;
+        ParseOptionsResult: ParseOptionsResult;
+    }
+
+}
+
+declare const commander: commander.CommanderStatic;
+export = commander;
diff --git a/node_modules/commondir/LICENSE b/node_modules/commondir/LICENSE
new file mode 100644
index 00000000..3d59c733
--- /dev/null
+++ b/node_modules/commondir/LICENSE
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2013 James Halliday (mail@substack.net)
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/commondir/example/dir.js b/node_modules/commondir/example/dir.js
new file mode 100644
index 00000000..e86a3464
--- /dev/null
+++ b/node_modules/commondir/example/dir.js
@@ -0,0 +1,3 @@
+var commondir = require('../');
+var dir = commondir(process.argv.slice(2));
+console.log(dir);
diff --git a/node_modules/commondir/index.js b/node_modules/commondir/index.js
new file mode 100644
index 00000000..fa77d045
--- /dev/null
+++ b/node_modules/commondir/index.js
@@ -0,0 +1,29 @@
+var path = require('path');
+
+module.exports = function (basedir, relfiles) {
+    if (relfiles) {
+        var files = relfiles.map(function (r) {
+            return path.resolve(basedir, r);
+        });
+    }
+    else {
+        var files = basedir;
+    }
+    
+    var res = files.slice(1).reduce(function (ps, file) {
+        if (!file.match(/^([A-Za-z]:)?\/|\\/)) {
+            throw new Error('relative path without a basedir');
+        }
+        
+        var xs = file.split(/\/+|\\+/);
+        for (
+            var i = 0;
+            ps[i] === xs[i] && i < Math.min(ps.length, xs.length);
+            i++
+        );
+        return ps.slice(0, i);
+    }, files[0].split(/\/+|\\+/));
+    
+    // Windows correctly handles paths with forward-slashes
+    return res.length > 1 ? res.join('/') : '/'
+};
diff --git a/node_modules/commondir/package.json b/node_modules/commondir/package.json
new file mode 100644
index 00000000..7320d956
--- /dev/null
+++ b/node_modules/commondir/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "commondir",
+  "version": "1.0.1",
+  "description": "compute the closest common parent for file paths",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "^3.5.0"
+  },
+  "scripts": {
+    "test": "tape test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/substack/node-commondir.git"
+  },
+  "keywords": [
+    "common",
+    "path",
+    "directory",
+    "file",
+    "parent",
+    "root"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT",
+  "engine": {
+    "node": ">=0.4"
+  }
+}
diff --git a/node_modules/commondir/readme.markdown b/node_modules/commondir/readme.markdown
new file mode 100644
index 00000000..6c20607f
--- /dev/null
+++ b/node_modules/commondir/readme.markdown
@@ -0,0 +1,48 @@
+# commondir
+
+compute the closest common parent directory among an array of directories
+
+# example
+
+``` js
+var commondir = require('commondir');
+var dir = commondir(process.argv.slice(2))
+console.log(dir);
+```
+
+output:
+
+```
+$ node dir.js /x/y/z /x/y /x/y/w/q
+/x/y
+$ node ../baz ../../foo/quux ./bizzy
+/foo
+```
+
+# methods
+
+``` js
+var commondir = require('commondir');
+```
+
+## commondir(absolutePaths)
+
+Compute the closest common parent directory for an array `absolutePaths`.
+
+## commondir(basedir, relativePaths)
+
+Compute the closest common parent directory for an array `relativePaths` which
+will be resolved for each `dir` in `relativePaths` according to:
+`path.resolve(basedir, dir)`.
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install commondir
+```
+
+# license
+
+MIT
diff --git a/node_modules/commondir/test/dirs.js b/node_modules/commondir/test/dirs.js
new file mode 100644
index 00000000..7e55c9bb
--- /dev/null
+++ b/node_modules/commondir/test/dirs.js
@@ -0,0 +1,55 @@
+var test = require('tape');
+var commondir = require('../');
+
+test('common', function (t) {
+    t.equal(
+        commondir([ '/foo', '//foo/bar', '/foo//bar/baz' ]),
+        '/foo'
+    );
+    t.equal(
+        commondir([ '/a/b/c', '/a/b', '/a/b/c/d/e' ]),
+        '/a/b'
+    );
+    t.equal(
+        commondir([ '/x/y/z/w', '/xy/z', '/x/y/z' ]),
+        '/'
+    );
+    t.equal(
+        commondir([ 'X:\\foo', 'X:\\\\foo\\bar', 'X://foo/bar/baz' ]),
+        'X:/foo'
+    );
+    t.equal(
+        commondir([ 'X:\\a\\b\\c', 'X:\\a\\b', 'X:\\a\\b\\c\\d\\e' ]),
+        'X:/a/b'
+    );
+    t.equal(
+        commondir([ 'X:\\x\\y\\z\\w', '\\\\xy\\z', '\\x\\y\\z' ]),
+        '/'
+    );
+    t.throws(function () {
+        commondir([ '/x/y/z/w', 'qrs', '/x/y/z' ]);
+    });
+    t.end();
+});
+
+test('base', function (t) {
+    t.equal(
+        commondir('/foo/bar', [ 'baz', './quux', '../bar/bazzy' ]),
+        '/foo/bar'
+    );
+    t.equal(
+        commondir('/a/b', [ 'c', '../b/.', '../../a/b/e' ]),
+        '/a/b'
+    );
+    t.equal(
+        commondir('/a/b/c', [ '..', '../d', '../../a/z/e' ]),
+        '/a'
+    );
+    t.equal(
+        commondir('/foo/bar', [ 'baz', '.\\quux', '..\\bar\\bazzy' ]),
+        '/foo/bar'
+    );
+    // Tests including X:\ basedirs must wait until path.resolve supports
+    // Windows-style paths, starting in Node.js v0.5.X
+    t.end();
+});
diff --git a/node_modules/component-emitter/LICENSE b/node_modules/component-emitter/LICENSE
new file mode 100644
index 00000000..de516927
--- /dev/null
+++ b/node_modules/component-emitter/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2014 Component contributors <dev@component.io>
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/component-emitter/Readme.md b/node_modules/component-emitter/Readme.md
new file mode 100644
index 00000000..0f3f9b9f
--- /dev/null
+++ b/node_modules/component-emitter/Readme.md
@@ -0,0 +1,74 @@
+# Emitter [![Build Status](https://travis-ci.org/component/emitter.png)](https://travis-ci.org/component/emitter)
+
+  Event emitter component.
+
+## Installation
+
+```
+$ component install component/emitter
+```
+
+## API
+
+### Emitter(obj)
+
+  The `Emitter` may also be used as a mixin. For example
+  a "plain" object may become an emitter, or you may
+  extend an existing prototype.
+
+  As an `Emitter` instance:
+
+```js
+var Emitter = require('emitter');
+var emitter = new Emitter;
+emitter.emit('something');
+```
+
+  As a mixin:
+
+```js
+var Emitter = require('emitter');
+var user = { name: 'tobi' };
+Emitter(user);
+
+user.emit('im a user');
+```
+
+  As a prototype mixin:
+
+```js
+var Emitter = require('emitter');
+Emitter(User.prototype);
+```
+
+### Emitter#on(event, fn)
+
+  Register an `event` handler `fn`.
+
+### Emitter#once(event, fn)
+
+  Register a single-shot `event` handler `fn`,
+  removed immediately after it is invoked the
+  first time.
+
+### Emitter#off(event, fn)
+
+  * Pass `event` and `fn` to remove a listener.
+  * Pass `event` to remove all listeners on that event.
+  * Pass nothing to remove all listeners on all events.
+
+### Emitter#emit(event, ...)
+
+  Emit an `event` with variable option args.
+
+### Emitter#listeners(event)
+
+  Return an array of callbacks, or an empty array.
+
+### Emitter#hasListeners(event)
+
+  Check if this emitter has `event` handlers.
+
+## License
+
+MIT
diff --git a/node_modules/component-emitter/index.js b/node_modules/component-emitter/index.js
new file mode 100644
index 00000000..6d7ed0ab
--- /dev/null
+++ b/node_modules/component-emitter/index.js
@@ -0,0 +1,175 @@
+
+/**
+ * Expose `Emitter`.
+ */
+
+if (typeof module !== 'undefined') {
+  module.exports = Emitter;
+}
+
+/**
+ * Initialize a new `Emitter`.
+ *
+ * @api public
+ */
+
+function Emitter(obj) {
+  if (obj) return mixin(obj);
+};
+
+/**
+ * Mixin the emitter properties.
+ *
+ * @param {Object} obj
+ * @return {Object}
+ * @api private
+ */
+
+function mixin(obj) {
+  for (var key in Emitter.prototype) {
+    obj[key] = Emitter.prototype[key];
+  }
+  return obj;
+}
+
+/**
+ * Listen on the given `event` with `fn`.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.on =
+Emitter.prototype.addEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+  (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
+    .push(fn);
+  return this;
+};
+
+/**
+ * Adds an `event` listener that will be invoked a single
+ * time then automatically removed.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.once = function(event, fn){
+  function on() {
+    this.off(event, on);
+    fn.apply(this, arguments);
+  }
+
+  on.fn = fn;
+  this.on(event, on);
+  return this;
+};
+
+/**
+ * Remove the given callback for `event` or all
+ * registered callbacks.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.off =
+Emitter.prototype.removeListener =
+Emitter.prototype.removeAllListeners =
+Emitter.prototype.removeEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+
+  // all
+  if (0 == arguments.length) {
+    this._callbacks = {};
+    return this;
+  }
+
+  // specific event
+  var callbacks = this._callbacks['$' + event];
+  if (!callbacks) return this;
+
+  // remove all handlers
+  if (1 == arguments.length) {
+    delete this._callbacks['$' + event];
+    return this;
+  }
+
+  // remove specific handler
+  var cb;
+  for (var i = 0; i < callbacks.length; i++) {
+    cb = callbacks[i];
+    if (cb === fn || cb.fn === fn) {
+      callbacks.splice(i, 1);
+      break;
+    }
+  }
+
+  // Remove event specific arrays for event types that no
+  // one is subscribed for to avoid memory leak.
+  if (callbacks.length === 0) {
+    delete this._callbacks['$' + event];
+  }
+
+  return this;
+};
+
+/**
+ * Emit `event` with the given args.
+ *
+ * @param {String} event
+ * @param {Mixed} ...
+ * @return {Emitter}
+ */
+
+Emitter.prototype.emit = function(event){
+  this._callbacks = this._callbacks || {};
+
+  var args = new Array(arguments.length - 1)
+    , callbacks = this._callbacks['$' + event];
+
+  for (var i = 1; i < arguments.length; i++) {
+    args[i - 1] = arguments[i];
+  }
+
+  if (callbacks) {
+    callbacks = callbacks.slice(0);
+    for (var i = 0, len = callbacks.length; i < len; ++i) {
+      callbacks[i].apply(this, args);
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
+
+Emitter.prototype.listeners = function(event){
+  this._callbacks = this._callbacks || {};
+  return this._callbacks['$' + event] || [];
+};
+
+/**
+ * Check if this emitter has `event` handlers.
+ *
+ * @param {String} event
+ * @return {Boolean}
+ * @api public
+ */
+
+Emitter.prototype.hasListeners = function(event){
+  return !! this.listeners(event).length;
+};
diff --git a/node_modules/component-emitter/package.json b/node_modules/component-emitter/package.json
new file mode 100644
index 00000000..0b8eca97
--- /dev/null
+++ b/node_modules/component-emitter/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "component-emitter",
+  "description": "Event emitter",
+  "version": "1.3.1",
+  "license": "MIT",
+  "funding": "https://github.com/sponsors/sindresorhus",
+  "devDependencies": {
+    "mocha": "*",
+    "should": "*"
+  },
+  "component": {
+    "scripts": {
+      "emitter/index.js": "index.js"
+    }
+  },
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/sindresorhus/component-emitter.git"
+  },
+  "scripts": {
+    "test": "make test"
+  },
+  "files": [
+    "index.js",
+    "LICENSE"
+  ]
+}
diff --git a/node_modules/concat-map/.travis.yml b/node_modules/concat-map/.travis.yml
new file mode 100644
index 00000000..f1d0f13c
--- /dev/null
+++ b/node_modules/concat-map/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - 0.4
+  - 0.6
diff --git a/node_modules/concat-map/LICENSE b/node_modules/concat-map/LICENSE
new file mode 100644
index 00000000..ee27ba4b
--- /dev/null
+++ b/node_modules/concat-map/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/concat-map/README.markdown b/node_modules/concat-map/README.markdown
new file mode 100644
index 00000000..408f70a1
--- /dev/null
+++ b/node_modules/concat-map/README.markdown
@@ -0,0 +1,62 @@
+concat-map
+==========
+
+Concatenative mapdashery.
+
+[![browser support](http://ci.testling.com/substack/node-concat-map.png)](http://ci.testling.com/substack/node-concat-map)
+
+[![build status](https://secure.travis-ci.org/substack/node-concat-map.png)](http://travis-ci.org/substack/node-concat-map)
+
+example
+=======
+
+``` js
+var concatMap = require('concat-map');
+var xs = [ 1, 2, 3, 4, 5, 6 ];
+var ys = concatMap(xs, function (x) {
+    return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+});
+console.dir(ys);
+```
+
+***
+
+```
+[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]
+```
+
+methods
+=======
+
+``` js
+var concatMap = require('concat-map')
+```
+
+concatMap(xs, fn)
+-----------------
+
+Return an array of concatenated elements by calling `fn(x, i)` for each element
+`x` and each index `i` in the array `xs`.
+
+When `fn(x, i)` returns an array, its result will be concatenated with the
+result array. If `fn(x, i)` returns anything else, that value will be pushed
+onto the end of the result array.
+
+install
+=======
+
+With [npm](http://npmjs.org) do:
+
+```
+npm install concat-map
+```
+
+license
+=======
+
+MIT
+
+notes
+=====
+
+This module was written while sitting high above the ground in a tree.
diff --git a/node_modules/concat-map/example/map.js b/node_modules/concat-map/example/map.js
new file mode 100644
index 00000000..33656217
--- /dev/null
+++ b/node_modules/concat-map/example/map.js
@@ -0,0 +1,6 @@
+var concatMap = require('../');
+var xs = [ 1, 2, 3, 4, 5, 6 ];
+var ys = concatMap(xs, function (x) {
+    return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+});
+console.dir(ys);
diff --git a/node_modules/concat-map/index.js b/node_modules/concat-map/index.js
new file mode 100644
index 00000000..b29a7812
--- /dev/null
+++ b/node_modules/concat-map/index.js
@@ -0,0 +1,13 @@
+module.exports = function (xs, fn) {
+    var res = [];
+    for (var i = 0; i < xs.length; i++) {
+        var x = fn(xs[i], i);
+        if (isArray(x)) res.push.apply(res, x);
+        else res.push(x);
+    }
+    return res;
+};
+
+var isArray = Array.isArray || function (xs) {
+    return Object.prototype.toString.call(xs) === '[object Array]';
+};
diff --git a/node_modules/concat-map/package.json b/node_modules/concat-map/package.json
new file mode 100644
index 00000000..d3640e6b
--- /dev/null
+++ b/node_modules/concat-map/package.json
@@ -0,0 +1,43 @@
+{
+    "name" : "concat-map",
+    "description" : "concatenative mapdashery",
+    "version" : "0.0.1",
+    "repository" : {
+        "type" : "git",
+        "url" : "git://github.com/substack/node-concat-map.git"
+    },
+    "main" : "index.js",
+    "keywords" : [
+        "concat",
+        "concatMap",
+        "map",
+        "functional",
+        "higher-order"
+    ],
+    "directories" : {
+        "example" : "example",
+        "test" : "test"
+    },
+    "scripts" : {
+        "test" : "tape test/*.js"
+    },
+    "devDependencies" : {
+        "tape" : "~2.4.0"
+    },
+    "license" : "MIT",
+    "author" : {
+        "name" : "James Halliday",
+        "email" : "mail@substack.net",
+        "url" : "http://substack.net"
+    },
+    "testling" : {
+        "files" : "test/*.js",
+        "browsers" : {
+            "ie" : [ 6, 7, 8, 9 ],
+            "ff" : [ 3.5, 10, 15.0 ],
+            "chrome" : [ 10, 22 ],
+            "safari" : [ 5.1 ],
+            "opera" : [ 12 ]
+        }
+    }
+}
diff --git a/node_modules/concat-map/test/map.js b/node_modules/concat-map/test/map.js
new file mode 100644
index 00000000..fdbd7022
--- /dev/null
+++ b/node_modules/concat-map/test/map.js
@@ -0,0 +1,39 @@
+var concatMap = require('../');
+var test = require('tape');
+
+test('empty or not', function (t) {
+    var xs = [ 1, 2, 3, 4, 5, 6 ];
+    var ixes = [];
+    var ys = concatMap(xs, function (x, ix) {
+        ixes.push(ix);
+        return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+    });
+    t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);
+    t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);
+    t.end();
+});
+
+test('always something', function (t) {
+    var xs = [ 'a', 'b', 'c', 'd' ];
+    var ys = concatMap(xs, function (x) {
+        return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];
+    });
+    t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+    t.end();
+});
+
+test('scalars', function (t) {
+    var xs = [ 'a', 'b', 'c', 'd' ];
+    var ys = concatMap(xs, function (x) {
+        return x === 'b' ? [ 'B', 'B', 'B' ] : x;
+    });
+    t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+    t.end();
+});
+
+test('undefs', function (t) {
+    var xs = [ 'a', 'b', 'c', 'd' ];
+    var ys = concatMap(xs, function () {});
+    t.same(ys, [ undefined, undefined, undefined, undefined ]);
+    t.end();
+});
diff --git a/node_modules/concat-stream/LICENSE b/node_modules/concat-stream/LICENSE
new file mode 100644
index 00000000..99c130e1
--- /dev/null
+++ b/node_modules/concat-stream/LICENSE
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2013 Max Ogden
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/concat-stream/index.js b/node_modules/concat-stream/index.js
new file mode 100644
index 00000000..dd672a76
--- /dev/null
+++ b/node_modules/concat-stream/index.js
@@ -0,0 +1,144 @@
+var Writable = require('readable-stream').Writable
+var inherits = require('inherits')
+var bufferFrom = require('buffer-from')
+
+if (typeof Uint8Array === 'undefined') {
+  var U8 = require('typedarray').Uint8Array
+} else {
+  var U8 = Uint8Array
+}
+
+function ConcatStream(opts, cb) {
+  if (!(this instanceof ConcatStream)) return new ConcatStream(opts, cb)
+
+  if (typeof opts === 'function') {
+    cb = opts
+    opts = {}
+  }
+  if (!opts) opts = {}
+
+  var encoding = opts.encoding
+  var shouldInferEncoding = false
+
+  if (!encoding) {
+    shouldInferEncoding = true
+  } else {
+    encoding =  String(encoding).toLowerCase()
+    if (encoding === 'u8' || encoding === 'uint8') {
+      encoding = 'uint8array'
+    }
+  }
+
+  Writable.call(this, { objectMode: true })
+
+  this.encoding = encoding
+  this.shouldInferEncoding = shouldInferEncoding
+
+  if (cb) this.on('finish', function () { cb(this.getBody()) })
+  this.body = []
+}
+
+module.exports = ConcatStream
+inherits(ConcatStream, Writable)
+
+ConcatStream.prototype._write = function(chunk, enc, next) {
+  this.body.push(chunk)
+  next()
+}
+
+ConcatStream.prototype.inferEncoding = function (buff) {
+  var firstBuffer = buff === undefined ? this.body[0] : buff;
+  if (Buffer.isBuffer(firstBuffer)) return 'buffer'
+  if (typeof Uint8Array !== 'undefined' && firstBuffer instanceof Uint8Array) return 'uint8array'
+  if (Array.isArray(firstBuffer)) return 'array'
+  if (typeof firstBuffer === 'string') return 'string'
+  if (Object.prototype.toString.call(firstBuffer) === "[object Object]") return 'object'
+  return 'buffer'
+}
+
+ConcatStream.prototype.getBody = function () {
+  if (!this.encoding && this.body.length === 0) return []
+  if (this.shouldInferEncoding) this.encoding = this.inferEncoding()
+  if (this.encoding === 'array') return arrayConcat(this.body)
+  if (this.encoding === 'string') return stringConcat(this.body)
+  if (this.encoding === 'buffer') return bufferConcat(this.body)
+  if (this.encoding === 'uint8array') return u8Concat(this.body)
+  return this.body
+}
+
+var isArray = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]'
+}
+
+function isArrayish (arr) {
+  return /Array\]$/.test(Object.prototype.toString.call(arr))
+}
+
+function isBufferish (p) {
+  return typeof p === 'string' || isArrayish(p) || (p && typeof p.subarray === 'function')
+}
+
+function stringConcat (parts) {
+  var strings = []
+  var needsToString = false
+  for (var i = 0; i < parts.length; i++) {
+    var p = parts[i]
+    if (typeof p === 'string') {
+      strings.push(p)
+    } else if (Buffer.isBuffer(p)) {
+      strings.push(p)
+    } else if (isBufferish(p)) {
+      strings.push(bufferFrom(p))
+    } else {
+      strings.push(bufferFrom(String(p)))
+    }
+  }
+  if (Buffer.isBuffer(parts[0])) {
+    strings = Buffer.concat(strings)
+    strings = strings.toString('utf8')
+  } else {
+    strings = strings.join('')
+  }
+  return strings
+}
+
+function bufferConcat (parts) {
+  var bufs = []
+  for (var i = 0; i < parts.length; i++) {
+    var p = parts[i]
+    if (Buffer.isBuffer(p)) {
+      bufs.push(p)
+    } else if (isBufferish(p)) {
+      bufs.push(bufferFrom(p))
+    } else {
+      bufs.push(bufferFrom(String(p)))
+    }
+  }
+  return Buffer.concat(bufs)
+}
+
+function arrayConcat (parts) {
+  var res = []
+  for (var i = 0; i < parts.length; i++) {
+    res.push.apply(res, parts[i])
+  }
+  return res
+}
+
+function u8Concat (parts) {
+  var len = 0
+  for (var i = 0; i < parts.length; i++) {
+    if (typeof parts[i] === 'string') {
+      parts[i] = bufferFrom(parts[i])
+    }
+    len += parts[i].length
+  }
+  var u8 = new U8(len)
+  for (var i = 0, offset = 0; i < parts.length; i++) {
+    var part = parts[i]
+    for (var j = 0; j < part.length; j++) {
+      u8[offset++] = part[j]
+    }
+  }
+  return u8
+}
diff --git a/node_modules/concat-stream/package.json b/node_modules/concat-stream/package.json
new file mode 100644
index 00000000..f7090223
--- /dev/null
+++ b/node_modules/concat-stream/package.json
@@ -0,0 +1,55 @@
+{
+  "name": "concat-stream",
+  "version": "1.6.2",
+  "description": "writable stream that concatenates strings or binary data and calls a callback with the result",
+  "tags": [
+    "stream",
+    "simple",
+    "util",
+    "utility"
+  ],
+  "author": "Max Ogden <max@maxogden.com>",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/maxogden/concat-stream.git"
+  },
+  "bugs": {
+    "url": "http://github.com/maxogden/concat-stream/issues"
+  },
+  "engines": [
+    "node >= 0.8"
+  ],
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "tape test/*.js test/server/*.js"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "buffer-from": "^1.0.0",
+    "inherits": "^2.0.3",
+    "readable-stream": "^2.2.2",
+    "typedarray": "^0.0.6"
+  },
+  "devDependencies": {
+    "tape": "^4.6.3"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/17..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/concat-stream/readme.md b/node_modules/concat-stream/readme.md
new file mode 100644
index 00000000..7aa19c4f
--- /dev/null
+++ b/node_modules/concat-stream/readme.md
@@ -0,0 +1,102 @@
+# concat-stream
+
+Writable stream that concatenates all the data from a stream and calls a callback with the result. Use this when you want to collect all the data from a stream into a single buffer.
+
+[![Build Status](https://travis-ci.org/maxogden/concat-stream.svg?branch=master)](https://travis-ci.org/maxogden/concat-stream)
+
+[![NPM](https://nodei.co/npm/concat-stream.png)](https://nodei.co/npm/concat-stream/)
+
+### description
+
+Streams emit many buffers. If you want to collect all of the buffers, and when the stream ends concatenate all of the buffers together and receive a single buffer then this is the module for you.
+
+Only use this if you know you can fit all of the output of your stream into a single Buffer (e.g. in RAM).
+
+There are also `objectMode` streams that emit things other than Buffers, and you can concatenate these too. See below for details.
+
+## Related
+
+`concat-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
+
+### examples
+
+#### Buffers
+
+```js
+var fs = require('fs')
+var concat = require('concat-stream')
+
+var readStream = fs.createReadStream('cat.png')
+var concatStream = concat(gotPicture)
+
+readStream.on('error', handleError)
+readStream.pipe(concatStream)
+
+function gotPicture(imageBuffer) {
+  // imageBuffer is all of `cat.png` as a node.js Buffer
+}
+
+function handleError(err) {
+  // handle your error appropriately here, e.g.:
+  console.error(err) // print the error to STDERR
+  process.exit(1) // exit program with non-zero exit code
+}
+
+```
+
+#### Arrays
+
+```js
+var write = concat(function(data) {})
+write.write([1,2,3])
+write.write([4,5,6])
+write.end()
+// data will be [1,2,3,4,5,6] in the above callback
+```
+
+#### Uint8Arrays
+
+```js
+var write = concat(function(data) {})
+var a = new Uint8Array(3)
+a[0] = 97; a[1] = 98; a[2] = 99
+write.write(a)
+write.write('!')
+write.end(Buffer.from('!!1'))
+```
+
+See `test/` for more examples
+
+# methods
+
+```js
+var concat = require('concat-stream')
+```
+
+## var writable = concat(opts={}, cb)
+
+Return a `writable` stream that will fire `cb(data)` with all of the data that
+was written to the stream. Data can be written to `writable` as strings,
+Buffers, arrays of byte integers, and Uint8Arrays. 
+
+By default `concat-stream` will give you back the same data type as the type of the first buffer written to the stream. Use `opts.encoding` to set what format `data` should be returned as, e.g. if you if you don't want to rely on the built-in type checking or for some other reason.
+
+* `string` - get a string
+* `buffer` - get back a Buffer
+* `array` - get an array of byte integers
+* `uint8array`, `u8`, `uint8` - get back a Uint8Array
+* `object`, get back an array of Objects
+
+If you don't specify an encoding, and the types can't be inferred (e.g. you write things that aren't in the list above), it will try to convert concat them into a `Buffer`.
+
+If nothing is written to `writable` then `data` will be an empty array `[]`.
+
+# error handling
+
+`concat-stream` does not handle errors for you, so you must handle errors on whatever streams you pipe into `concat-stream`. This is a general rule when programming with node.js streams: always handle errors on each and every stream. Since `concat-stream` is not itself a stream it does not emit errors.
+
+We recommend using [`end-of-stream`](https://npmjs.org/end-of-stream) or [`pump`](https://npmjs.org/pump) for writing error tolerant stream code.
+
+# license
+
+MIT LICENSE
diff --git a/node_modules/console-browserify/.testem.json b/node_modules/console-browserify/.testem.json
new file mode 100644
index 00000000..633c2ba8
--- /dev/null
+++ b/node_modules/console-browserify/.testem.json
@@ -0,0 +1,14 @@
+{
+    "launchers": {
+        "node": {
+            "command": "npm test"
+        }
+    },
+    "src_files": [
+        "./**/*.js"
+    ],
+    "before_tests": "npm run build",
+    "on_exit": "rm test/static/bundle.js",
+    "test_page": "test/static/index.html",
+    "launch_in_dev": ["node", "phantomjs"]
+}
diff --git a/node_modules/console-browserify/.travis.yml b/node_modules/console-browserify/.travis.yml
new file mode 100644
index 00000000..aafa6a1d
--- /dev/null
+++ b/node_modules/console-browserify/.travis.yml
@@ -0,0 +1,11 @@
+language: node_js
+node_js:
+  - "stable"
+  - "12"
+  - "11"
+  - "10"
+  - "8"
+  - "6"
+  - "4"
+  - "0.12"
+  - "0.10"
diff --git a/node_modules/console-browserify/CHANGELOG.md b/node_modules/console-browserify/CHANGELOG.md
new file mode 100644
index 00000000..393a2137
--- /dev/null
+++ b/node_modules/console-browserify/CHANGELOG.md
@@ -0,0 +1,10 @@
+# console-browserify change log
+
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.2.0
+* Move to the browserify org.
+* Remove `date-now` dependency. ([@jakepusateri](https://github.com/jakepusateri) in [#10](https://github.com/browserify/console-browserify/pull/10))
+* Fix memory leak in `time`/`timeEnd`. ([@maxnordlund](https://github.com/maxnordlund) in [#11](https://github.com/browserify/console-browserify/pull/11))
diff --git a/node_modules/console-browserify/LICENCE b/node_modules/console-browserify/LICENCE
new file mode 100644
index 00000000..a23e08a8
--- /dev/null
+++ b/node_modules/console-browserify/LICENCE
@@ -0,0 +1,19 @@
+Copyright (c) 2012 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/console-browserify/README.md b/node_modules/console-browserify/README.md
new file mode 100644
index 00000000..5b75cbf5
--- /dev/null
+++ b/node_modules/console-browserify/README.md
@@ -0,0 +1,42 @@
+# console-browserify [![Build Status](https://travis-ci.org/browserify/console-browserify.png?branch=master)](https://travis-ci.org/browserify/console-browserify)
+
+Emulate console for all the browsers
+
+## Install
+
+You usually do not have to install `console-browserify` yourself! If your code runs in Node.js, `console` is built in. If your code runs in the browser, bundlers like [browserify](https://github.com/browserify/browserify) or [webpack](https://github.com/webpack/webpack) also include the `console-browserify` module when you do `require('console')`.
+
+But if none of those apply, with npm do:
+
+```
+npm install console-browserify
+```
+
+## Usage
+
+```js
+var console = require("console")
+// Or when manually using console-browserify directly:
+// var console = require("console-browserify")
+
+console.log("hello world!")
+```
+
+## API
+
+See the [Node.js Console docs](https://nodejs.org/api/console.html). `console-browserify` does not support creating new `Console` instances and does not support the Inspector-only methods.
+
+## Contributing
+
+PRs are very welcome! The main way to contribute to `console-browserify` is by porting features, bugfixes and tests from Node.js. Ideally, code contributions to this module are copy-pasted from Node.js and transpiled to ES5, rather than reimplemented from scratch. Matching the Node.js code as closely as possible makes maintenance simpler when new changes land in Node.js.
+This module intends to provide exactly the same API as Node.js, so features that are not available in the core `console` module will not be accepted. Feature requests should instead be directed at [nodejs/node](https://github.com/nodejs/node) and will be added to this module once they are implemented in Node.js.
+
+If there is a difference in behaviour between Node.js's `console` module and this module, please open an issue!
+
+## Contributors
+
+ - Raynos
+
+## License
+
+[MIT](./LICENSE)
diff --git a/node_modules/console-browserify/index.js b/node_modules/console-browserify/index.js
new file mode 100644
index 00000000..775f0d78
--- /dev/null
+++ b/node_modules/console-browserify/index.js
@@ -0,0 +1,87 @@
+/*global window, global*/
+var util = require("util")
+var assert = require("assert")
+function now() { return new Date().getTime() }
+
+var slice = Array.prototype.slice
+var console
+var times = {}
+
+if (typeof global !== "undefined" && global.console) {
+    console = global.console
+} else if (typeof window !== "undefined" && window.console) {
+    console = window.console
+} else {
+    console = {}
+}
+
+var functions = [
+    [log, "log"],
+    [info, "info"],
+    [warn, "warn"],
+    [error, "error"],
+    [time, "time"],
+    [timeEnd, "timeEnd"],
+    [trace, "trace"],
+    [dir, "dir"],
+    [consoleAssert, "assert"]
+]
+
+for (var i = 0; i < functions.length; i++) {
+    var tuple = functions[i]
+    var f = tuple[0]
+    var name = tuple[1]
+
+    if (!console[name]) {
+        console[name] = f
+    }
+}
+
+module.exports = console
+
+function log() {}
+
+function info() {
+    console.log.apply(console, arguments)
+}
+
+function warn() {
+    console.log.apply(console, arguments)
+}
+
+function error() {
+    console.warn.apply(console, arguments)
+}
+
+function time(label) {
+    times[label] = now()
+}
+
+function timeEnd(label) {
+    var time = times[label]
+    if (!time) {
+        throw new Error("No such label: " + label)
+    }
+
+    delete times[label]
+    var duration = now() - time
+    console.log(label + ": " + duration + "ms")
+}
+
+function trace() {
+    var err = new Error()
+    err.name = "Trace"
+    err.message = util.format.apply(null, arguments)
+    console.error(err.stack)
+}
+
+function dir(object) {
+    console.log(util.inspect(object) + "\n")
+}
+
+function consoleAssert(expression) {
+    if (!expression) {
+        var arr = slice.call(arguments, 1)
+        assert.ok(false, util.format.apply(null, arr))
+    }
+}
diff --git a/node_modules/console-browserify/package.json b/node_modules/console-browserify/package.json
new file mode 100644
index 00000000..9d856aa8
--- /dev/null
+++ b/node_modules/console-browserify/package.json
@@ -0,0 +1,59 @@
+{
+  "name": "console-browserify",
+  "version": "1.2.0",
+  "description": "Emulate console for all the browsers",
+  "keywords": [],
+  "author": "Raynos <raynos2@gmail.com>",
+  "repository": "git://github.com/browserify/console-browserify.git",
+  "main": "index",
+  "homepage": "https://github.com/browserify/console-browserify",
+  "contributors": [
+    {
+      "name": "Raynos"
+    }
+  ],
+  "bugs": {
+    "url": "https://github.com/browserify/console-browserify/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "devDependencies": {
+    "tape": "^2.12.3",
+    "jsonify": "0.0.0",
+    "tap-spec": "^0.1.8",
+    "run-browser": "^1.3.0",
+    "tap-dot": "^0.2.1"
+  },
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://github.com/browserify/console-browserify/raw/master/LICENSE"
+    }
+  ],
+  "scripts": {
+    "test": "node ./test/index.js | tap-spec",
+    "dot": "node ./test/index.js | tap-dot",
+    "start": "node ./index.js",
+    "cover": "istanbul cover --report none --print detail ./test/index.js",
+    "view-cover": "istanbul report html && google-chrome ./coverage/index.html",
+    "browser": "run-browser test/index.js",
+    "phantom": "run-browser test/index.js -b | tap-spec",
+    "build": "browserify test/index.js -o test/static/bundle.js",
+    "testem": "testem"
+  },
+  "testling": {
+    "files": "test/index.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/console-browserify/test/index.js b/node_modules/console-browserify/test/index.js
new file mode 100644
index 00000000..26dfaad6
--- /dev/null
+++ b/node_modules/console-browserify/test/index.js
@@ -0,0 +1,67 @@
+var console = require("../index")
+var test = require("tape")
+
+if (typeof window !== "undefined" && !window.JSON) {
+    window.JSON = require("jsonify")
+}
+
+test("console has expected methods", function (assert) {
+    assert.ok(console.log)
+    assert.ok(console.info)
+    assert.ok(console.warn)
+    assert.ok(console.dir)
+    assert.ok(console.time, "time")
+    assert.ok(console.timeEnd, "timeEnd")
+    assert.ok(console.trace, "trace")
+    assert.ok(console.assert)
+
+    assert.end()
+})
+
+test("invoke console.log", function (assert) {
+    console.log("test-log")
+
+    assert.end()
+})
+
+test("invoke console.info", function (assert) {
+    console.info("test-info")
+
+    assert.end()
+})
+
+test("invoke console.warn", function (assert) {
+    console.warn("test-warn")
+    
+    assert.end()
+})
+
+test("invoke console.time", function (assert) {
+    console.time("label")
+
+    assert.end()
+})
+
+test("invoke console.trace", function (assert) {
+    console.trace("test-trace")
+
+    assert.end()
+})
+
+test("invoke console.assert", function (assert) {
+    console.assert(true)
+
+    assert.end()
+})
+
+test("invoke console.dir", function (assert) {
+    console.dir("test-dir")
+
+    assert.end()
+})
+
+test("invoke console.timeEnd", function (assert) {
+    console.timeEnd("label")
+
+    assert.end()
+})
diff --git a/node_modules/console-browserify/test/static/index.html b/node_modules/console-browserify/test/static/index.html
new file mode 100644
index 00000000..dd55012f
--- /dev/null
+++ b/node_modules/console-browserify/test/static/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html>
+<head>
+    <meta http-equiv="x-ua-compatible" content="IE=8" >
+    <title>TAPE Example</title>
+    <script src="/testem.js"></script>
+    <script src="test-adapter.js"></script>
+    <script src="bundle.js"></script>
+</head>
+<body>
+</body>
+</html>
diff --git a/node_modules/console-browserify/test/static/test-adapter.js b/node_modules/console-browserify/test/static/test-adapter.js
new file mode 100644
index 00000000..8b4c12dc
--- /dev/null
+++ b/node_modules/console-browserify/test/static/test-adapter.js
@@ -0,0 +1,53 @@
+(function () {
+    var Testem = window.Testem
+    var regex = /^((?:not )?ok) (\d+) (.+)$/
+
+    Testem.useCustomAdapter(tapAdapter)
+
+    function tapAdapter(socket){
+        var results = {
+            failed: 0
+            , passed: 0
+            , total: 0
+            , tests: []
+        }
+
+        socket.emit('tests-start')
+
+        Testem.handleConsoleMessage = function(msg){
+            var m = msg.match(regex)
+            if (m) {
+                var passed = m[1] === 'ok'
+                var test = {
+                    passed: passed ? 1 : 0,
+                    failed: passed ? 0 : 1,
+                    total: 1,
+                    id: m[2],
+                    name: m[3],
+                    items: []
+                }
+
+                if (passed) {
+                    results.passed++
+                } else {
+                    console.error("failure", m)
+
+                    results.failed++
+                }
+
+                results.total++
+
+                // console.log("emitted test", test)
+                socket.emit('test-result', test)
+                results.tests.push(test)
+            } else if (msg === '# ok' || msg.match(/^# tests \d+/)){
+                // console.log("emitted all test")
+                socket.emit('all-test-results', results)
+            }
+
+            // return false if you want to prevent the console message from
+            // going to the console
+            // return false
+        }
+    }
+}())
diff --git a/node_modules/constants-browserify/README.md b/node_modules/constants-browserify/README.md
new file mode 100644
index 00000000..9dd5a46f
--- /dev/null
+++ b/node_modules/constants-browserify/README.md
@@ -0,0 +1,54 @@
+
+# constants-browserify
+
+Node's `constants` module for the browser.
+
+[![downloads](https://img.shields.io/npm/dm/constants-browserify.svg)](https://www.npmjs.org/package/constants-browserify)
+
+## Usage
+
+To use with browserify cli:
+
+```bash
+$ browserify -r constants:constants-browserify script.js
+```
+
+To use with browserify api:
+
+```js
+browserify()
+  .require('constants-browserify', { expose: 'constants' })
+  .add(__dirname + '/script.js')
+  .bundle()
+  // ...
+```
+
+## Installation
+
+With [npm](http://npmjs.org) do
+
+```bash
+$ npm install constants-browserify
+```
+
+## License
+
+Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/constants-browserify/build.sh b/node_modules/constants-browserify/build.sh
new file mode 100644
index 00000000..60012d66
--- /dev/null
+++ b/node_modules/constants-browserify/build.sh
@@ -0,0 +1 @@
+node -pe 'JSON.stringify(require("constants"), null, "  ")' > constants.json
diff --git a/node_modules/constants-browserify/constants.json b/node_modules/constants-browserify/constants.json
new file mode 100644
index 00000000..9a69b858
--- /dev/null
+++ b/node_modules/constants-browserify/constants.json
@@ -0,0 +1,209 @@
+{
+  "O_RDONLY": 0,
+  "O_WRONLY": 1,
+  "O_RDWR": 2,
+  "S_IFMT": 61440,
+  "S_IFREG": 32768,
+  "S_IFDIR": 16384,
+  "S_IFCHR": 8192,
+  "S_IFBLK": 24576,
+  "S_IFIFO": 4096,
+  "S_IFLNK": 40960,
+  "S_IFSOCK": 49152,
+  "O_CREAT": 512,
+  "O_EXCL": 2048,
+  "O_NOCTTY": 131072,
+  "O_TRUNC": 1024,
+  "O_APPEND": 8,
+  "O_DIRECTORY": 1048576,
+  "O_NOFOLLOW": 256,
+  "O_SYNC": 128,
+  "O_SYMLINK": 2097152,
+  "O_NONBLOCK": 4,
+  "S_IRWXU": 448,
+  "S_IRUSR": 256,
+  "S_IWUSR": 128,
+  "S_IXUSR": 64,
+  "S_IRWXG": 56,
+  "S_IRGRP": 32,
+  "S_IWGRP": 16,
+  "S_IXGRP": 8,
+  "S_IRWXO": 7,
+  "S_IROTH": 4,
+  "S_IWOTH": 2,
+  "S_IXOTH": 1,
+  "E2BIG": 7,
+  "EACCES": 13,
+  "EADDRINUSE": 48,
+  "EADDRNOTAVAIL": 49,
+  "EAFNOSUPPORT": 47,
+  "EAGAIN": 35,
+  "EALREADY": 37,
+  "EBADF": 9,
+  "EBADMSG": 94,
+  "EBUSY": 16,
+  "ECANCELED": 89,
+  "ECHILD": 10,
+  "ECONNABORTED": 53,
+  "ECONNREFUSED": 61,
+  "ECONNRESET": 54,
+  "EDEADLK": 11,
+  "EDESTADDRREQ": 39,
+  "EDOM": 33,
+  "EDQUOT": 69,
+  "EEXIST": 17,
+  "EFAULT": 14,
+  "EFBIG": 27,
+  "EHOSTUNREACH": 65,
+  "EIDRM": 90,
+  "EILSEQ": 92,
+  "EINPROGRESS": 36,
+  "EINTR": 4,
+  "EINVAL": 22,
+  "EIO": 5,
+  "EISCONN": 56,
+  "EISDIR": 21,
+  "ELOOP": 62,
+  "EMFILE": 24,
+  "EMLINK": 31,
+  "EMSGSIZE": 40,
+  "EMULTIHOP": 95,
+  "ENAMETOOLONG": 63,
+  "ENETDOWN": 50,
+  "ENETRESET": 52,
+  "ENETUNREACH": 51,
+  "ENFILE": 23,
+  "ENOBUFS": 55,
+  "ENODATA": 96,
+  "ENODEV": 19,
+  "ENOENT": 2,
+  "ENOEXEC": 8,
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+  "SSL_OP_CRYPTOPRO_TLSEXT_BUG": 2147483648,
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+  "SSL_OP_NETSCAPE_CHALLENGE_BUG": 2,
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+  "SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG": 8,
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+  "SSL_OP_NO_QUERY_MTU": 4096,
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+  "SSL_OP_NO_SSLv2": 16777216,
+  "SSL_OP_NO_SSLv3": 33554432,
+  "SSL_OP_NO_TICKET": 16384,
+  "SSL_OP_NO_TLSv1": 67108864,
+  "SSL_OP_NO_TLSv1_1": 268435456,
+  "SSL_OP_NO_TLSv1_2": 134217728,
+  "SSL_OP_PKCS1_CHECK_1": 0,
+  "SSL_OP_PKCS1_CHECK_2": 0,
+  "SSL_OP_SINGLE_DH_USE": 1048576,
+  "SSL_OP_SINGLE_ECDH_USE": 524288,
+  "SSL_OP_SSLEAY_080_CLIENT_DH_BUG": 128,
+  "SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG": 0,
+  "SSL_OP_TLS_BLOCK_PADDING_BUG": 512,
+  "SSL_OP_TLS_D5_BUG": 256,
+  "SSL_OP_TLS_ROLLBACK_BUG": 8388608,
+  "ENGINE_METHOD_DSA": 2,
+  "ENGINE_METHOD_DH": 4,
+  "ENGINE_METHOD_RAND": 8,
+  "ENGINE_METHOD_ECDH": 16,
+  "ENGINE_METHOD_ECDSA": 32,
+  "ENGINE_METHOD_CIPHERS": 64,
+  "ENGINE_METHOD_DIGESTS": 128,
+  "ENGINE_METHOD_STORE": 256,
+  "ENGINE_METHOD_PKEY_METHS": 512,
+  "ENGINE_METHOD_PKEY_ASN1_METHS": 1024,
+  "ENGINE_METHOD_ALL": 65535,
+  "ENGINE_METHOD_NONE": 0,
+  "DH_CHECK_P_NOT_SAFE_PRIME": 2,
+  "DH_CHECK_P_NOT_PRIME": 1,
+  "DH_UNABLE_TO_CHECK_GENERATOR": 4,
+  "DH_NOT_SUITABLE_GENERATOR": 8,
+  "NPN_ENABLED": 1,
+  "RSA_PKCS1_PADDING": 1,
+  "RSA_SSLV23_PADDING": 2,
+  "RSA_NO_PADDING": 3,
+  "RSA_PKCS1_OAEP_PADDING": 4,
+  "RSA_X931_PADDING": 5,
+  "RSA_PKCS1_PSS_PADDING": 6,
+  "POINT_CONVERSION_COMPRESSED": 2,
+  "POINT_CONVERSION_UNCOMPRESSED": 4,
+  "POINT_CONVERSION_HYBRID": 6,
+  "F_OK": 0,
+  "R_OK": 4,
+  "W_OK": 2,
+  "X_OK": 1,
+  "UV_UDP_REUSEADDR": 4
+}
diff --git a/node_modules/constants-browserify/package.json b/node_modules/constants-browserify/package.json
new file mode 100644
index 00000000..fcdf301b
--- /dev/null
+++ b/node_modules/constants-browserify/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "constants-browserify",
+  "description": "node's constants module for the browser",
+  "version": "1.0.0",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/constants-browserify.git"
+  },
+  "homepage": "https://github.com/juliangruber/constants-browserify",
+  "main": "constants.json",
+  "dependencies": {},
+  "keywords": [
+    "constants",
+    "node",
+    "browser",
+    "browserify"
+  ],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "julian@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "contributors": [
+    {
+      "name": "James J. Womack",
+      "email": "james@womack.io",
+      "url": "http://netflix.com"
+    }
+  ],
+  "license": "MIT"
+}
diff --git a/node_modules/constants-browserify/test.js b/node_modules/constants-browserify/test.js
new file mode 100644
index 00000000..58cc3019
--- /dev/null
+++ b/node_modules/constants-browserify/test.js
@@ -0,0 +1,18 @@
+'use strict';
+
+var Assert = require('assert')
+var Constants = require('./')
+
+try {
+  var nodeConstants = require('constants')
+
+  Assert.deepEqual(nodeConstants, Constants, 'The constants file was not equal')
+}
+
+catch (e) {
+  console.error(e)
+  console.error('\nTests failed!')
+  process.exit(1)
+}
+
+console.info('Tests passed!')
diff --git a/node_modules/copy-concurrently/LICENSE b/node_modules/copy-concurrently/LICENSE
new file mode 100644
index 00000000..83e7c4c6
--- /dev/null
+++ b/node_modules/copy-concurrently/LICENSE
@@ -0,0 +1,14 @@
+Copyright (c) 2017, Rebecca Turner <me@re-becca.org>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/copy-concurrently/README.md b/node_modules/copy-concurrently/README.md
new file mode 100644
index 00000000..3f6f9742
--- /dev/null
+++ b/node_modules/copy-concurrently/README.md
@@ -0,0 +1,128 @@
+# copy-concurrently
+
+Copy files, directories and symlinks
+
+```
+const copy = require('copy-concurrently')
+copy('/path/to/thing', '/new/path/thing').then(() => {
+  // this is now copied
+}).catch(err => {
+  // oh noooo
+})
+```
+
+Copies files, directories and symlinks.  Ownership is maintained when
+running as root, permissions are always maintained.  On Windows, if symlinks
+are unavailable then junctions will be used.
+
+## PUBLIC INTERFACE
+
+### copy(from, to, [options]) → Promise
+
+Recursively copies `from` to `to` and resolves its promise when finished. 
+If `to` already exists then the promise will be rejected with an `EEXIST`
+error.
+
+Options are:
+
+* maxConcurrency – (Default: `1`) The maximum number of concurrent copies to do at once.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+Options can also include dependency injection:
+
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* writeStreamAtomic - (Default: `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+
+## EXTENSION INTERFACE
+
+Ordinarily you'd only call `copy` above.  But it's possible to use it's
+component functions directly.  This is useful if, say, you're writing
+[move-concurently](https://npmjs.com/package/move-concurrently).
+
+### copy.file(from, to, options) → Promise
+
+Copies an ordinary file `from` to destination `to`.  Uses
+`fs-write-stream-atomic` to ensure that the file is either entirely copied
+or not at all.
+
+Options are:
+
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* writeStreamAtomic - (Default `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+
+### copy.symlink(from, to, options) → Promise
+
+Copies a symlink `from` to destination `to`.  If you're using Windows and
+symlinking fails and what you're linking is a directory then junctions will
+be tried instead.
+
+Options are:
+
+* top - The top level the copy is being run from.  This is used to determine
+  if the symlink destination is within the set of files we're copying or
+  outside it.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+### copy.recurse(from, to, options) → Promise
+
+Reads all of the files in directory `from` and adds them to the `queue`
+using `recurseWith` (by default `copy.item`).
+
+Options are:
+
+* queue - A [`run-queue`](https://npmjs.com/package/run-queue) object to add files found inside `from` to.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+
+### copy.item(from, to, options) → Promise
+
+Copies some kind of `from` to destination `to`.  This looks at the filetype
+and calls `copy.file`, `copy.symlink` or `copy.recurse` as appropriate.
+
+Symlink copies are queued with a priority such that they happen after all
+file and directory copies as you can't create a junction on windows to a
+file that doesn't exist yet.
+
+Options are:
+
+* top - The top level the copy is being run from.  This is used to determine
+  if the symlink destination is within the set of files we're copying or
+  outside it.
+* queue - The [`run-queue`](https://npmjs.com/package/run-queue) object to
+  pass to `copy.recurse` if `from` is a directory.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* writeStreamAtomic - (Default `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
diff --git a/node_modules/copy-concurrently/README.md~ b/node_modules/copy-concurrently/README.md~
new file mode 100644
index 00000000..7f93b2ad
--- /dev/null
+++ b/node_modules/copy-concurrently/README.md~
@@ -0,0 +1,127 @@
+# copy-concurrently
+
+Copy files, directories and symlinks
+
+```
+const copy = require('copy-concurrently')
+copy('/path/to/thing', '/new/path/thing').then(() => {
+  // this is now copied
+}).catch(err => {
+  // oh noooo
+})
+```
+
+Copies files, directories and symlinks.  Ownership is maintained when
+running as root, permissions are always maintained.  On Windows, if symlinks
+are unavailable then junctions will be used.
+
+## PUBLIC INTERFACE
+
+### copy(from, to, [options]) → Promise
+
+Recursively copies `from` to `to` and resolves its promise when finished. 
+If `to` already exists then the promise will be rejected with an `EEXIST`
+error.
+
+Options are:
+
+* maxConcurrency – (Default: `1`) The maximum number of concurrent copies to do at once.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+Options can also include dependency injection:
+
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* writeStreamAtomic - (Default: `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+
+## EXTENSION INTERFACE
+
+Ordinarily you'd only call `copy` above.  But it's possible to use it's
+component functions directly.  This is useful if, say, you're writing
+[move-concurently](https://npmjs.com/package/move-concurrently).
+
+### copy.file(from, to, options) → Promise
+
+Copies a ordinary file `from` to destination `to`.  Uses
+`fs-write-stream-atomic` to ensure that the file is entirely copied or not
+at all.
+
+Options are:
+
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* writeStreamAtomic - (Default `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+
+### copy.symlink(from, to, options) → Promise
+
+Copies a symlink `from` to destination `to`.  If on Windows then if
+symlinking fails, a junction will be used instead.
+
+Options are:
+
+* top - The top level the copy is being run from.  This is used to determine
+  if the symlink destination is within the set of files we're copying or
+  outside it.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+### copy.recurse(from, to, options) → Promise
+
+Reads all of the files in directory `from` and adds them to the `queue`
+using `recurseWith` (by default `copy.item`).
+
+Options are:
+
+* queue - A [`run-queue`](https://npmjs.com/package/run-queue) object to add files found inside `from` to.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+
+### copy.item(from, to, options) → Promise
+
+Copies some kind of `from` to destination `to`.  This looks at the filetype
+and calls `copy.file`, `copy.symlink` or `copy.recurse` as appropriate.
+
+Symlink copies are queued with a priority such that they happen after all
+file and directory copies as you can't create a junction on windows to a
+file that doesn't exist yet.
+
+Options are:
+
+* top - The top level the copy is being run from.  This is used to determine
+  if the symlink destination is within the set of files we're copying or
+  outside it.
+* queue - The [`run-queue`](https://npmjs.com/package/run-queue) object to
+  pass to `copy.recurse` if `from` is a directory.
+* recurseWith - (Default: `copy.item`) The function to call on each file after recursing into a directory.
+* uid, gid - (Optional) If `getuid()` is `0` then this and gid will be used to
+  set the user and group of `to`.  If uid is present then gid must be too.
+* mode - (Optional) If set then `to` will have its perms set to `mode`.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* writeStreamAtomic - (Default `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
diff --git a/node_modules/copy-concurrently/copy.js b/node_modules/copy-concurrently/copy.js
new file mode 100644
index 00000000..36ce9f46
--- /dev/null
+++ b/node_modules/copy-concurrently/copy.js
@@ -0,0 +1,225 @@
+'use strict'
+module.exports = copy
+module.exports.item = copyItem
+module.exports.recurse = recurseDir
+module.exports.symlink = copySymlink
+module.exports.file = copyFile
+
+var nodeFs = require('fs')
+var path = require('path')
+var validate = require('aproba')
+var stockWriteStreamAtomic = require('fs-write-stream-atomic')
+var mkdirp = require('mkdirp')
+var rimraf = require('rimraf')
+var isWindows = require('./is-windows')
+var RunQueue = require('run-queue')
+var extend = Object.assign || require('util')._extend
+
+function promisify (Promise, fn) {
+  return function () {
+    var args = [].slice.call(arguments)
+    return new Promise(function (resolve, reject) {
+      return fn.apply(null, args.concat(function (err, value) {
+        if (err) {
+          reject(err)
+        } else {
+          resolve(value)
+        }
+      }))
+    })
+  }
+}
+
+function copy (from, to, opts) {
+  validate('SSO|SS', arguments)
+  opts = extend({}, opts || {})
+
+  var Promise = opts.Promise || global.Promise
+  var fs = opts.fs || nodeFs
+
+  if (opts.isWindows == null) opts.isWindows = isWindows
+  if (!opts.Promise) opts.Promise = Promise
+  if (!opts.fs) opts.fs = fs
+  if (!opts.recurseWith) opts.recurseWith = copyItem
+  if (!opts.lstat) opts.lstat = promisify(opts.Promise, fs.lstat)
+  if (!opts.stat) opts.stat = promisify(opts.Promise, fs.stat)
+  if (!opts.chown) opts.chown = promisify(opts.Promise, fs.chown)
+  if (!opts.readdir) opts.readdir = promisify(opts.Promise, fs.readdir)
+  if (!opts.readlink) opts.readlink = promisify(opts.Promise, fs.readlink)
+  if (!opts.symlink) opts.symlink = promisify(opts.Promise, fs.symlink)
+  if (!opts.chmod) opts.chmod = promisify(opts.Promise, fs.chmod)
+
+  opts.top = from
+  opts.mkdirpAsync = promisify(opts.Promise, mkdirp)
+  var rimrafAsync = promisify(opts.Promise, rimraf)
+
+  var queue = new RunQueue({
+    maxConcurrency: opts.maxConcurrency,
+    Promise: Promise
+  })
+  opts.queue = queue
+
+  queue.add(0, copyItem, [from, to, opts])
+
+  return queue.run().catch(function (err) {
+    // if the target already exists don't clobber it
+    if (err.code === 'EEXIST' || err.code === 'EPERM') {
+      return passThroughError()
+    } else {
+      return remove(to).then(passThroughError, passThroughError)
+    }
+    function passThroughError () {
+      return Promise.reject(err)
+    }
+  })
+
+  function remove (target) {
+    var opts = {
+      unlink: fs.unlink,
+      chmod: fs.chmod,
+      stat: fs.stat,
+      lstat: fs.lstat,
+      rmdir: fs.rmdir,
+      readdir: fs.readdir,
+      glob: false
+    }
+    return rimrafAsync(target, opts)
+  }
+}
+
+function copyItem (from, to, opts) {
+  validate('SSO', [from, to, opts])
+  var fs = opts.fs || nodeFs
+  var Promise = opts.Promise || global.Promise
+  var lstat = opts.lstat || promisify(Promise, fs.lstat)
+
+  return lstat(to).then(function () {
+    return Promise.reject(eexists(from, to))
+  }, function (err) {
+    if (err && err.code !== 'ENOENT') return Promise.reject(err)
+    return lstat(from)
+  }).then(function (fromStat) {
+    var cmdOpts = extend(extend({}, opts), fromStat)
+    if (fromStat.isDirectory()) {
+      return recurseDir(from, to, cmdOpts)
+    } else if (fromStat.isSymbolicLink()) {
+      opts.queue.add(1, copySymlink, [from, to, cmdOpts])
+    } else if (fromStat.isFile()) {
+      return copyFile(from, to, cmdOpts)
+    } else if (fromStat.isBlockDevice()) {
+      return Promise.reject(eunsupported(from + " is a block device, and we don't know how to copy those."))
+    } else if (fromStat.isCharacterDevice()) {
+      return Promise.reject(eunsupported(from + " is a character device, and we don't know how to copy those."))
+    } else if (fromStat.isFIFO()) {
+      return Promise.reject(eunsupported(from + " is a FIFO, and we don't know how to copy those."))
+    } else if (fromStat.isSocket()) {
+      return Promise.reject(eunsupported(from + " is a socket, and we don't know how to copy those."))
+    } else {
+      return Promise.reject(eunsupported("We can't tell what " + from + " is and so we can't copy it."))
+    }
+  })
+}
+
+function recurseDir (from, to, opts) {
+  validate('SSO', [from, to, opts])
+  var recurseWith = opts.recurseWith || copyItem
+  var fs = opts.fs || nodeFs
+  var chown = opts.chown || promisify(Promise, fs.chown)
+  var readdir = opts.readdir || promisify(Promise, fs.readdir)
+  var mkdirpAsync = opts.mkdirpAsync || promisify(Promise, mkdirp)
+
+  return mkdirpAsync(to, {fs: fs, mode: opts.mode}).then(function () {
+    var getuid = opts.getuid || process.getuid
+    if (getuid && opts.uid != null && getuid() === 0) {
+      return chown(to, opts.uid, opts.gid)
+    }
+  }).then(function () {
+    return readdir(from)
+  }).then(function (files) {
+    files.forEach(function (file) {
+      opts.queue.add(0, recurseWith, [path.join(from, file), path.join(to, file), opts])
+    })
+  })
+}
+
+function copySymlink (from, to, opts) {
+  validate('SSO', [from, to, opts])
+  var fs = opts.fs || nodeFs
+  var readlink = opts.readlink || promisify(Promise, fs.readlink)
+  var stat = opts.stat || promisify(Promise, fs.symlink)
+  var symlink = opts.symlink || promisify(Promise, fs.symlink)
+  var Promise = opts.Promise || global.Promise
+
+  return readlink(from).then(function (fromDest) {
+    var absoluteDest = path.resolve(path.dirname(from), fromDest)
+    // Treat absolute paths that are inside the tree we're
+    // copying as relative. This necessary to properly support junctions
+    // on windows (which are always absolute) but is also DWIM with symlinks.
+    var relativeDest = path.relative(opts.top, absoluteDest)
+    var linkFrom = relativeDest.substr(0, 2) === '..' ? fromDest : path.relative(path.dirname(from), absoluteDest)
+    if (opts.isWindows) {
+      return stat(absoluteDest).catch(function () { return null }).then(function (destStat) {
+        var isDir = destStat && destStat.isDirectory()
+        var type = isDir ? 'dir' : 'file'
+        return symlink(linkFrom, to, type).catch(function (err) {
+          if (type === 'dir') {
+            return symlink(linkFrom, to, 'junction')
+          } else {
+            return Promise.reject(err)
+          }
+        })
+      })
+    } else {
+      return symlink(linkFrom, to)
+    }
+  })
+}
+
+function copyFile (from, to, opts) {
+  validate('SSO', [from, to, opts])
+  var fs = opts.fs || nodeFs
+  var writeStreamAtomic = opts.writeStreamAtomic || stockWriteStreamAtomic
+  var Promise = opts.Promise || global.Promise
+  var chmod = opts.chmod || promisify(Promise, fs.chmod)
+
+  var writeOpts = {}
+  var getuid = opts.getuid || process.getuid
+  if (getuid && opts.uid != null && getuid() === 0) {
+    writeOpts.chown = {
+      uid: opts.uid,
+      gid: opts.gid
+    }
+  }
+
+  return new Promise(function (resolve, reject) {
+    var errored = false
+    function onError (err) {
+      errored = true
+      reject(err)
+    }
+    fs.createReadStream(from)
+      .once('error', onError)
+      .pipe(writeStreamAtomic(to, writeOpts))
+      .once('error', onError)
+      .once('close', function () {
+        if (errored) return
+        if (opts.mode != null) {
+          resolve(chmod(to, opts.mode))
+        } else {
+          resolve()
+        }
+      })
+  })
+}
+
+function eexists (from, to) {
+  var err = new Error('Could not move ' + from + ' to ' + to + ': destination already exists.')
+  err.code = 'EEXIST'
+  return err
+}
+
+function eunsupported (msg) {
+  var err = new Error(msg)
+  err.code = 'EUNSUPPORTED'
+  return err
+}
diff --git a/node_modules/copy-concurrently/is-windows.js b/node_modules/copy-concurrently/is-windows.js
new file mode 100644
index 00000000..8a991d54
--- /dev/null
+++ b/node_modules/copy-concurrently/is-windows.js
@@ -0,0 +1,2 @@
+'use strict'
+module.exports = process.platform === 'win32'
diff --git a/node_modules/copy-concurrently/package.json b/node_modules/copy-concurrently/package.json
new file mode 100644
index 00000000..d0595846
--- /dev/null
+++ b/node_modules/copy-concurrently/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "copy-concurrently",
+  "version": "1.0.5",
+  "description": "Promises of copies of files, directories and symlinks, with concurrency controls and win32 junction fallback.",
+  "main": "copy.js",
+  "scripts": {
+    "test": "standard && tap --coverage test"
+  },
+  "keywords": [
+    "copy",
+    "cpr"
+  ],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org/)",
+  "license": "ISC",
+  "dependencies": {
+    "aproba": "^1.1.1",
+    "fs-write-stream-atomic": "^1.0.8",
+    "iferr": "^0.1.5",
+    "mkdirp": "^0.5.1",
+    "rimraf": "^2.5.4",
+    "run-queue": "^1.0.0"
+  },
+  "devDependencies": {
+    "standard": "^8.6.0",
+    "tacks": "^1.2.6",
+    "tap": "^10.1.1"
+  },
+  "files": [
+    "copy.js",
+    "is-windows.js"
+  ],
+  "directories": {
+    "test": "test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/npm/copy-concurrently.git"
+  },
+  "bugs": {
+    "url": "https://github.com/npm/copy-concurrently/issues"
+  },
+  "homepage": "https://www.npmjs.com/package/copy-concurrently"
+}
diff --git a/node_modules/copy-descriptor/LICENSE b/node_modules/copy-descriptor/LICENSE
new file mode 100644
index 00000000..65251717
--- /dev/null
+++ b/node_modules/copy-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/copy-descriptor/index.js b/node_modules/copy-descriptor/index.js
new file mode 100644
index 00000000..6da21b1b
--- /dev/null
+++ b/node_modules/copy-descriptor/index.js
@@ -0,0 +1,81 @@
+/*!
+ * copy-descriptor <https://github.com/jonschlinkert/copy-descriptor>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+/**
+ * Copy a descriptor from one object to another.
+ *
+ * ```js
+ * function App() {
+ *   this.cache = {};
+ * }
+ * App.prototype.set = function(key, val) {
+ *   this.cache[key] = val;
+ *   return this;
+ * };
+ * Object.defineProperty(App.prototype, 'count', {
+ *   get: function() {
+ *     return Object.keys(this.cache).length;
+ *   }
+ * });
+ *
+ * copy(App.prototype, 'count', 'len');
+ *
+ * // create an instance
+ * var app = new App();
+ *
+ * app.set('a', true);
+ * app.set('b', true);
+ * app.set('c', true);
+ *
+ * console.log(app.count);
+ * //=> 3
+ * console.log(app.len);
+ * //=> 3
+ * ```
+ * @name copy
+ * @param {Object} `receiver` The target object
+ * @param {Object} `provider` The provider object
+ * @param {String} `from` The key to copy on provider.
+ * @param {String} `to` Optionally specify a new key name to use.
+ * @return {Object}
+ * @api public
+ */
+
+module.exports = function copyDescriptor(receiver, provider, from, to) {
+  if (!isObject(provider) && typeof provider !== 'function') {
+    to = from;
+    from = provider;
+    provider = receiver;
+  }
+  if (!isObject(receiver) && typeof receiver !== 'function') {
+    throw new TypeError('expected the first argument to be an object');
+  }
+  if (!isObject(provider) && typeof provider !== 'function') {
+    throw new TypeError('expected provider to be an object');
+  }
+
+  if (typeof to !== 'string') {
+    to = from;
+  }
+  if (typeof from !== 'string') {
+    throw new TypeError('expected key to be a string');
+  }
+
+  if (!(from in provider)) {
+    throw new Error('property "' + from + '" does not exist');
+  }
+
+  var val = Object.getOwnPropertyDescriptor(provider, from);
+  if (val) Object.defineProperty(receiver, to, val);
+};
+
+function isObject(val) {
+  return {}.toString.call(val) === '[object Object]';
+}
+
diff --git a/node_modules/copy-descriptor/package.json b/node_modules/copy-descriptor/package.json
new file mode 100644
index 00000000..84a31c55
--- /dev/null
+++ b/node_modules/copy-descriptor/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "copy-descriptor",
+  "description": "Copy a descriptor from object A to object B",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/copy-descriptor",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/copy-descriptor",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/copy-descriptor/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.9",
+    "mocha": "^2.5.3"
+  },
+  "keywords": [
+    "copy",
+    "descriptor"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "is-accessor-descriptor",
+        "is-data-descriptor",
+        "is-descriptor",
+        "is-plain-object",
+        "isobject"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb-readme-generator",
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/core-util-is/LICENSE b/node_modules/core-util-is/LICENSE
new file mode 100644
index 00000000..d8d7f943
--- /dev/null
+++ b/node_modules/core-util-is/LICENSE
@@ -0,0 +1,19 @@
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/core-util-is/README.md b/node_modules/core-util-is/README.md
new file mode 100644
index 00000000..5a76b414
--- /dev/null
+++ b/node_modules/core-util-is/README.md
@@ -0,0 +1,3 @@
+# core-util-is
+
+The `util.is*` functions introduced in Node v0.12.
diff --git a/node_modules/core-util-is/lib/util.js b/node_modules/core-util-is/lib/util.js
new file mode 100644
index 00000000..6e5a20d7
--- /dev/null
+++ b/node_modules/core-util-is/lib/util.js
@@ -0,0 +1,107 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+
+function isArray(arg) {
+  if (Array.isArray) {
+    return Array.isArray(arg);
+  }
+  return objectToString(arg) === '[object Array]';
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('buffer').Buffer.isBuffer;
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
diff --git a/node_modules/core-util-is/package.json b/node_modules/core-util-is/package.json
new file mode 100644
index 00000000..b0c51f58
--- /dev/null
+++ b/node_modules/core-util-is/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "core-util-is",
+  "version": "1.0.3",
+  "description": "The `util.is*` functions introduced in Node v0.12.",
+  "main": "lib/util.js",
+  "files": [
+    "lib"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/core-util-is"
+  },
+  "keywords": [
+    "util",
+    "isBuffer",
+    "isArray",
+    "isNumber",
+    "isString",
+    "isRegExp",
+    "isThis",
+    "isThat",
+    "polyfill"
+  ],
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/isaacs/core-util-is/issues"
+  },
+  "scripts": {
+    "test": "tap test.js",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags"
+  },
+  "devDependencies": {
+    "tap": "^15.0.9"
+  }
+}
diff --git a/node_modules/create-ecdh/.travis.yml b/node_modules/create-ecdh/.travis.yml
new file mode 100644
index 00000000..4ceadcbe
--- /dev/null
+++ b/node_modules/create-ecdh/.travis.yml
@@ -0,0 +1,7 @@
+language: node_js
+sudo: false
+node_js:
+  - 6
+  - 8
+  - 9
+  - 10
diff --git a/node_modules/create-ecdh/LICENSE b/node_modules/create-ecdh/LICENSE
new file mode 100644
index 00000000..58b3e845
--- /dev/null
+++ b/node_modules/create-ecdh/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017 createECDH contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/create-ecdh/browser.js b/node_modules/create-ecdh/browser.js
new file mode 100644
index 00000000..3613b451
--- /dev/null
+++ b/node_modules/create-ecdh/browser.js
@@ -0,0 +1,124 @@
+var elliptic = require('elliptic')
+var BN = require('bn.js')
+
+module.exports = function createECDH (curve) {
+  return new ECDH(curve)
+}
+
+var aliases = {
+  secp256k1: {
+    name: 'secp256k1',
+    byteLength: 32
+  },
+  secp224r1: {
+    name: 'p224',
+    byteLength: 28
+  },
+  prime256v1: {
+    name: 'p256',
+    byteLength: 32
+  },
+  prime192v1: {
+    name: 'p192',
+    byteLength: 24
+  },
+  ed25519: {
+    name: 'ed25519',
+    byteLength: 32
+  },
+  secp384r1: {
+    name: 'p384',
+    byteLength: 48
+  },
+  secp521r1: {
+    name: 'p521',
+    byteLength: 66
+  }
+}
+
+aliases.p224 = aliases.secp224r1
+aliases.p256 = aliases.secp256r1 = aliases.prime256v1
+aliases.p192 = aliases.secp192r1 = aliases.prime192v1
+aliases.p384 = aliases.secp384r1
+aliases.p521 = aliases.secp521r1
+
+function ECDH (curve) {
+  this.curveType = aliases[curve]
+  if (!this.curveType) {
+    this.curveType = {
+      name: curve
+    }
+  }
+  this.curve = new elliptic.ec(this.curveType.name) // eslint-disable-line new-cap
+  this.keys = void 0
+}
+
+ECDH.prototype.generateKeys = function (enc, format) {
+  this.keys = this.curve.genKeyPair()
+  return this.getPublicKey(enc, format)
+}
+
+ECDH.prototype.computeSecret = function (other, inenc, enc) {
+  inenc = inenc || 'utf8'
+  if (!Buffer.isBuffer(other)) {
+    other = new Buffer(other, inenc)
+  }
+  var otherPub = this.curve.keyFromPublic(other).getPublic()
+  var out = otherPub.mul(this.keys.getPrivate()).getX()
+  return formatReturnValue(out, enc, this.curveType.byteLength)
+}
+
+ECDH.prototype.getPublicKey = function (enc, format) {
+  var key = this.keys.getPublic(format === 'compressed', true)
+  if (format === 'hybrid') {
+    if (key[key.length - 1] % 2) {
+      key[0] = 7
+    } else {
+      key[0] = 6
+    }
+  }
+  return formatReturnValue(key, enc)
+}
+
+ECDH.prototype.getPrivateKey = function (enc) {
+  return formatReturnValue(this.keys.getPrivate(), enc)
+}
+
+ECDH.prototype.setPublicKey = function (pub, enc) {
+  enc = enc || 'utf8'
+  if (!Buffer.isBuffer(pub)) {
+    pub = new Buffer(pub, enc)
+  }
+  this.keys._importPublic(pub)
+  return this
+}
+
+ECDH.prototype.setPrivateKey = function (priv, enc) {
+  enc = enc || 'utf8'
+  if (!Buffer.isBuffer(priv)) {
+    priv = new Buffer(priv, enc)
+  }
+
+  var _priv = new BN(priv)
+  _priv = _priv.toString(16)
+  this.keys = this.curve.genKeyPair()
+  this.keys._importPrivate(_priv)
+  return this
+}
+
+function formatReturnValue (bn, enc, len) {
+  if (!Array.isArray(bn)) {
+    bn = bn.toArray()
+  }
+  var buf = new Buffer(bn)
+  if (len && buf.length < len) {
+    var zeros = new Buffer(len - buf.length)
+    zeros.fill(0)
+    buf = Buffer.concat([zeros, buf])
+  }
+  if (!enc) {
+    return buf
+  } else {
+    return buf.toString(enc)
+  }
+}
diff --git a/node_modules/create-ecdh/index.js b/node_modules/create-ecdh/index.js
new file mode 100644
index 00000000..841d085e
--- /dev/null
+++ b/node_modules/create-ecdh/index.js
@@ -0,0 +1,3 @@
+var createECDH = require('crypto').createECDH
+
+module.exports = createECDH || require('./browser')
diff --git a/node_modules/create-ecdh/node_modules/bn.js/LICENSE b/node_modules/create-ecdh/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/create-ecdh/node_modules/bn.js/README.md b/node_modules/create-ecdh/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/create-ecdh/node_modules/bn.js/lib/bn.js b/node_modules/create-ecdh/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/create-ecdh/node_modules/bn.js/package.json b/node_modules/create-ecdh/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo.js b/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/create-ecdh/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/create-ecdh/package.json b/node_modules/create-ecdh/package.json
new file mode 100644
index 00000000..9ef2ca77
--- /dev/null
+++ b/node_modules/create-ecdh/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "create-ecdh",
+  "version": "4.0.4",
+  "description": "createECDH but browserifiable",
+  "main": "index.js",
+  "browser": "browser.js",
+  "scripts": {
+    "test": "standard && node test.js | tspec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/createECDH.git"
+  },
+  "keywords": [
+    "diffie",
+    "hellman",
+    "diffiehellman",
+    "ECDH"
+  ],
+  "author": "Calvin Metcalf",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/createECDH/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/createECDH",
+  "dependencies": {
+    "bn.js": "^4.1.0",
+    "elliptic": "^6.5.3"
+  },
+  "devDependencies": {
+    "tap-spec": "^1.0.1",
+    "tape": "^3.0.1",
+    "standard": "^5.4.1"
+  }
+}
diff --git a/node_modules/create-ecdh/readme.md b/node_modules/create-ecdh/readme.md
new file mode 100644
index 00000000..7e5ce47b
--- /dev/null
+++ b/node_modules/create-ecdh/readme.md
@@ -0,0 +1,4 @@
+createECDH [![Build Status](https://travis-ci.org/crypto-browserify/createECDH.svg)](https://travis-ci.org/crypto-browserify/createECDH)
+====
+
+In io.js or node >= 0.11 this module is just a shortcut to crypto.createECDH.  In node <= 0.11 or the browser this is a pure JavaScript implimentation, more specifically a wrapper around [elliptic](https://github.com/indutny/elliptic), to give it the same API as node. `secp256k1`, `secp224r1` (aka p224), `prime256v1` (aka p256, secp256r1), `prime192v1` (aka p192, secp192r1), `secp384r1` (aka p384), `secp521r1` (aka p521)  curves all work in both this library and node (though only the highlighted name will work in node).
diff --git a/node_modules/create-hash/.travis.yml b/node_modules/create-hash/.travis.yml
new file mode 100644
index 00000000..da59431d
--- /dev/null
+++ b/node_modules/create-hash/.travis.yml
@@ -0,0 +1,17 @@
+sudo: false
+language: node_js
+before_install:
+  - "npm install npm -g"
+node_js:
+  - "4"
+  - "5"
+  - "6" 
+  - "7"
+env:
+  matrix:
+    - TEST_SUITE=unit
+matrix:
+  include:
+    - node_js: "7"
+      env: TEST_SUITE=standard
+script: npm run $TEST_SUITE
diff --git a/node_modules/create-hash/LICENSE b/node_modules/create-hash/LICENSE
new file mode 100644
index 00000000..f06007ae
--- /dev/null
+++ b/node_modules/create-hash/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 crypto-browserify contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/create-hash/README.md b/node_modules/create-hash/README.md
new file mode 100644
index 00000000..bad028d3
--- /dev/null
+++ b/node_modules/create-hash/README.md
@@ -0,0 +1,19 @@
+# create-hash
+
+[![Build Status](https://travis-ci.org/crypto-browserify/createHash.svg)](https://travis-ci.org/crypto-browserify/createHash)
+
+Node style hashes for use in the browser, with native hash functions in node.
+
+API is the same as hashes in node:
+```js
+var createHash = require('create-hash')
+var hash = createHash('sha224')
+hash.update('synchronous write') // optional encoding parameter
+hash.digest() // synchronously get result with optional encoding parameter
+
+hash.write('write to it as a stream')
+hash.end() // remember it's a stream
+hash.read() // only if you ended it as a stream though
+```
+
+To get the JavaScript version even in node do `require('create-hash/browser')`
diff --git a/node_modules/create-hash/browser.js b/node_modules/create-hash/browser.js
new file mode 100644
index 00000000..01841bb9
--- /dev/null
+++ b/node_modules/create-hash/browser.js
@@ -0,0 +1,30 @@
+'use strict'
+var inherits = require('inherits')
+var MD5 = require('md5.js')
+var RIPEMD160 = require('ripemd160')
+var sha = require('sha.js')
+var Base = require('cipher-base')
+
+function Hash (hash) {
+  Base.call(this, 'digest')
+
+  this._hash = hash
+}
+
+inherits(Hash, Base)
+
+Hash.prototype._update = function (data) {
+  this._hash.update(data)
+}
+
+Hash.prototype._final = function () {
+  return this._hash.digest()
+}
+
+module.exports = function createHash (alg) {
+  alg = alg.toLowerCase()
+  if (alg === 'md5') return new MD5()
+  if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160()
+
+  return new Hash(sha(alg))
+}
diff --git a/node_modules/create-hash/index.js b/node_modules/create-hash/index.js
new file mode 100644
index 00000000..658f6a02
--- /dev/null
+++ b/node_modules/create-hash/index.js
@@ -0,0 +1 @@
+module.exports = require('crypto').createHash
diff --git a/node_modules/create-hash/md5.js b/node_modules/create-hash/md5.js
new file mode 100644
index 00000000..3643ee29
--- /dev/null
+++ b/node_modules/create-hash/md5.js
@@ -0,0 +1,5 @@
+var MD5 = require('md5.js')
+
+module.exports = function (buffer) {
+  return new MD5().update(buffer).digest()
+}
diff --git a/node_modules/create-hash/package.json b/node_modules/create-hash/package.json
new file mode 100644
index 00000000..16f385b0
--- /dev/null
+++ b/node_modules/create-hash/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "create-hash",
+  "version": "1.2.0",
+  "description": "create hashes for browserify",
+  "browser": "browser.js",
+  "main": "index.js",
+  "scripts": {
+    "standard": "standard",
+    "test": "npm run-script standard && npm run-script unit",
+    "unit": "node test.js | tspec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:crypto-browserify/createHash.git"
+  },
+  "keywords": [
+    "crypto"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/createHash/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/createHash",
+  "devDependencies": {
+    "hash-test-vectors": "^1.3.2",
+    "safe-buffer": "^5.0.1",
+    "standard": "^10.0.2",
+    "tap-spec": "^2.1.2",
+    "tape": "^4.6.3"
+  },
+  "dependencies": {
+    "cipher-base": "^1.0.1",
+    "inherits": "^2.0.1",
+    "md5.js": "^1.3.4",
+    "ripemd160": "^2.0.1",
+    "sha.js": "^2.4.0"
+  }
+}
diff --git a/node_modules/create-hash/test.js b/node_modules/create-hash/test.js
new file mode 100644
index 00000000..7c98f9fc
--- /dev/null
+++ b/node_modules/create-hash/test.js
@@ -0,0 +1,41 @@
+var test = require('tape')
+
+var Buffer = require('safe-buffer').Buffer
+var algorithms = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160', 'ripemd160']
+var encodings = ['hex', 'base64'] // ignore binary
+var vectors = require('hash-test-vectors')
+vectors.forEach(function (vector) {
+  vector.ripemd160 = vector.rmd160
+})
+var createHash = require('./browser')
+
+algorithms.forEach(function (algorithm) {
+  test('test ' + algorithm + ' against test vectors', function (t) {
+    vectors.forEach(function (obj, i) {
+      var input = Buffer.from(obj.input, 'base64')
+      var node = obj[algorithm]
+      var js = createHash(algorithm).update(input).digest('hex')
+      t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node)
+    })
+
+    encodings.forEach(function (encoding) {
+      vectors.forEach(function (obj, i) {
+        var input = Buffer.from(obj.input, 'base64').toString(encoding)
+        var node = obj[algorithm]
+        var js = createHash(algorithm).update(input, encoding).digest('hex')
+        t.equal(js, node, algorithm + '(testVector[' + i + '], ' + encoding + ') == ' + node)
+      })
+    })
+
+    vectors.forEach(function (obj, i) {
+      var input = Buffer.from(obj.input, 'base64')
+      var node = obj[algorithm]
+      var hash = createHash(algorithm)
+      hash.end(input)
+      var js = hash.read().toString('hex')
+      t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node)
+    })
+
+    t.end()
+  })
+})
diff --git a/node_modules/create-hmac/LICENSE b/node_modules/create-hmac/LICENSE
new file mode 100644
index 00000000..f06007ae
--- /dev/null
+++ b/node_modules/create-hmac/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 crypto-browserify contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/create-hmac/README.md b/node_modules/create-hmac/README.md
new file mode 100644
index 00000000..e8de47f8
--- /dev/null
+++ b/node_modules/create-hmac/README.md
@@ -0,0 +1,20 @@
+# create-hmac
+
+[![NPM Package](https://img.shields.io/npm/v/create-hmac.svg?style=flat-square)](https://www.npmjs.org/package/create-hmac)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/createHmac.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/createHmac)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/createHmac.svg?style=flat-square)](https://david-dm.org/crypto-browserify/createHmac#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+Node style HMACs for use in the browser, with native HMAC functions in node. API is the same as HMACs in node:
+
+```js
+var createHmac = require('create-hmac')
+var hmac = createHmac('sha224', Buffer.from('secret key'))
+hmac.update('synchronous write') //optional encoding parameter
+hmac.digest() // synchronously get result with optional encoding parameter
+
+hmac.write('write to it as a stream')
+hmac.end() //remember it's a stream
+hmac.read() //only if you ended it as a stream though
+```
diff --git a/node_modules/create-hmac/browser.js b/node_modules/create-hmac/browser.js
new file mode 100644
index 00000000..a5c9b61e
--- /dev/null
+++ b/node_modules/create-hmac/browser.js
@@ -0,0 +1,62 @@
+'use strict'
+var inherits = require('inherits')
+var Legacy = require('./legacy')
+var Base = require('cipher-base')
+var Buffer = require('safe-buffer').Buffer
+var md5 = require('create-hash/md5')
+var RIPEMD160 = require('ripemd160')
+
+var sha = require('sha.js')
+
+var ZEROS = Buffer.alloc(128)
+
+function Hmac (alg, key) {
+  Base.call(this, 'digest')
+  if (typeof key === 'string') {
+    key = Buffer.from(key)
+  }
+
+  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+  this._alg = alg
+  this._key = key
+  if (key.length > blocksize) {
+    var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+    key = hash.update(key).digest()
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+  var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+  this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+  this._hash.update(ipad)
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+  this._hash.update(data)
+}
+
+Hmac.prototype._final = function () {
+  var h = this._hash.digest()
+  var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
+  return hash.update(this._opad).update(h).digest()
+}
+
+module.exports = function createHmac (alg, key) {
+  alg = alg.toLowerCase()
+  if (alg === 'rmd160' || alg === 'ripemd160') {
+    return new Hmac('rmd160', key)
+  }
+  if (alg === 'md5') {
+    return new Legacy(md5, key)
+  }
+  return new Hmac(alg, key)
+}
diff --git a/node_modules/create-hmac/index.js b/node_modules/create-hmac/index.js
new file mode 100644
index 00000000..ec8c4f72
--- /dev/null
+++ b/node_modules/create-hmac/index.js
@@ -0,0 +1 @@
+module.exports = require('crypto').createHmac
diff --git a/node_modules/create-hmac/legacy.js b/node_modules/create-hmac/legacy.js
new file mode 100644
index 00000000..5039c2a7
--- /dev/null
+++ b/node_modules/create-hmac/legacy.js
@@ -0,0 +1,46 @@
+'use strict'
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
+
+var Base = require('cipher-base')
+
+var ZEROS = Buffer.alloc(128)
+var blocksize = 64
+
+function Hmac (alg, key) {
+  Base.call(this, 'digest')
+  if (typeof key === 'string') {
+    key = Buffer.from(key)
+  }
+
+  this._alg = alg
+  this._key = key
+
+  if (key.length > blocksize) {
+    key = alg(key)
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+  var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+
+  this._hash = [ipad]
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+  this._hash.push(data)
+}
+
+Hmac.prototype._final = function () {
+  var h = this._alg(Buffer.concat(this._hash))
+  return this._alg(Buffer.concat([this._opad, h]))
+}
+module.exports = Hmac
diff --git a/node_modules/create-hmac/package.json b/node_modules/create-hmac/package.json
new file mode 100644
index 00000000..a7e52d8e
--- /dev/null
+++ b/node_modules/create-hmac/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "create-hmac",
+  "version": "1.1.7",
+  "description": "node style hmacs in the browser",
+  "files": [
+    "browser.js",
+    "index.js",
+    "legacy.js"
+  ],
+  "main": "index.js",
+  "scripts": {
+    "standard": "standard",
+    "test": "npm run-script standard && npm run-script unit",
+    "unit": "node test.js | tspec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/createHmac.git"
+  },
+  "keywords": [
+    "crypto",
+    "hmac"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/createHmac/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/createHmac",
+  "devDependencies": {
+    "hash-test-vectors": "^1.3.2",
+    "standard": "^5.3.1",
+    "tap-spec": "^2.1.2",
+    "tape": "^3.0.3"
+  },
+  "dependencies": {
+    "cipher-base": "^1.0.3",
+    "create-hash": "^1.1.0",
+    "inherits": "^2.0.1",
+    "ripemd160": "^2.0.0",
+    "safe-buffer": "^5.0.1",
+    "sha.js": "^2.4.8"
+  },
+  "browser": "./browser.js"
+}
diff --git a/node_modules/crypto-browserify/.eslintrc b/node_modules/crypto-browserify/.eslintrc
new file mode 100644
index 00000000..32a354f7
--- /dev/null
+++ b/node_modules/crypto-browserify/.eslintrc
@@ -0,0 +1,24 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "off",
+		"multiline-comment-style": "off",
+		"sort-keys": "off",
+	},
+
+	"ignorePatterns": [
+		"example/bundle.js",
+	],
+
+	"overrides": [
+		{
+			"files": "example/**",
+			"rules": {
+				"no-console": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/crypto-browserify/.github/FUNDING.yml b/node_modules/crypto-browserify/.github/FUNDING.yml
new file mode 100644
index 00000000..40cfe2fe
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/crypto-browserify
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/crypto-browserify/.github/workflows/node-aught.yml b/node_modules/crypto-browserify/.github/workflows/node-aught.yml
new file mode 100644
index 00000000..187d841c
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/workflows/node-aught.yml
@@ -0,0 +1,12 @@
+name: 'Tests: node.js < 10'
+
+on: [pull_request, push]
+
+jobs:
+  tests:
+    uses: ljharb/actions/.github/workflows/node.yml@main
+    with:
+      range: '>= 0.10 < 10'
+      type: minors
+      command: npm run tests-only
+      skip-ls-check: true
diff --git a/node_modules/crypto-browserify/.github/workflows/node-pretest.yml b/node_modules/crypto-browserify/.github/workflows/node-pretest.yml
new file mode 100644
index 00000000..9f4b4f51
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/workflows/node-pretest.yml
@@ -0,0 +1,9 @@
+name: 'Tests: pretest/posttest'
+
+on: [pull_request, push]
+
+jobs:
+  tests:
+    uses: ljharb/actions/.github/workflows/pretest.yml@main
+    with:
+      skip-engines: true # see https://github.com/browserify/browserify-sign/pull/49
diff --git a/node_modules/crypto-browserify/.github/workflows/node-tens.yml b/node_modules/crypto-browserify/.github/workflows/node-tens.yml
new file mode 100644
index 00000000..1f55be09
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/workflows/node-tens.yml
@@ -0,0 +1,11 @@
+name: 'Tests: node.js >= 10'
+
+on: [pull_request, push]
+
+jobs:
+  tests:
+    uses: ljharb/actions/.github/workflows/node.yml@main
+    with:
+      range: '>= 10'
+      type: minors
+      command: npm run tests-only
diff --git a/node_modules/crypto-browserify/.github/workflows/rebase.yml b/node_modules/crypto-browserify/.github/workflows/rebase.yml
new file mode 100644
index 00000000..b9e1712f
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/workflows/rebase.yml
@@ -0,0 +1,9 @@
+name: Automatic Rebase
+
+on: [pull_request_target]
+
+jobs:
+  _:
+    uses: ljharb/actions/.github/workflows/rebase.yml@main
+    secrets:
+      token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/node_modules/crypto-browserify/.github/workflows/require-allow-edits.yml b/node_modules/crypto-browserify/.github/workflows/require-allow-edits.yml
new file mode 100644
index 00000000..7b842f89
--- /dev/null
+++ b/node_modules/crypto-browserify/.github/workflows/require-allow-edits.yml
@@ -0,0 +1,12 @@
+name: Require “Allow Edits”
+
+on: [pull_request_target]
+
+jobs:
+  _:
+    name: "Require “Allow Edits”"
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: ljharb/require-allow-edits@main
diff --git a/node_modules/crypto-browserify/.nycrc b/node_modules/crypto-browserify/.nycrc
new file mode 100644
index 00000000..79f9179c
--- /dev/null
+++ b/node_modules/crypto-browserify/.nycrc
@@ -0,0 +1,9 @@
+{
+  "exclude": [
+    "test/**"
+  ],
+  "reporter": [
+    "html",
+    "text"
+  ]
+}
diff --git a/node_modules/crypto-browserify/.travis.yml b/node_modules/crypto-browserify/.travis.yml
new file mode 100644
index 00000000..6bbb3c9b
--- /dev/null
+++ b/node_modules/crypto-browserify/.travis.yml
@@ -0,0 +1,18 @@
+sudo: false
+language: node_js
+matrix:
+  include:
+      env: TEST_SUITE=browser BROWSER_NAME=ie BROWSER_VERSION="10..latest"
+    - node_js: '4'
+      env: TEST_SUITE=browser BROWSER_NAME=chrome BROWSER_VERSION="-2..beta"
+    - node_js: '4'
+      env: TEST_SUITE=browser BROWSER_NAME=firefox BROWSER_VERSION="-2..latest"
+    - node_js: '4'
+      env: TEST_SUITE=browser BROWSER_NAME=safari BROWSER_VERSION="7..latest"
+    - node_js: '4'
+      env: TEST_SUITE=browser BROWSER_NAME=android BROWSER_VERSION="5.0..latest"
+script: "npm run-script $TEST_SUITE"
+env:
+  global:
+  - secure: YHNUDQmx/WiW3gmDcRCfb6KLDeio7Mr5tqPY2kHPdZlBSytsQjNk75ytM4U6Cu8Uk8iEIoj/aFlxiVMpJNA8J4QSUyW/YkbVaIz0+1oywoV0Ht8aRBfZ1jvXfX6789+1Q9c4xaMkYYbJpXSh9JcirsiwmqWd4+IDd7hcESodsDQ=
+  - secure: Nhj5yejKZxUbtHGZta+GjYWqXGaOZB7ainTkOuGcpXM+OwwjeDpYlTBrwS90Q7hqens7KXVzQM09aDbadpsDCsOo1nyaEigMtomAorZ1UC1CpEoVz1ZuikF9bEhb+/7M9pzuL1fX+Ke9Dx4mPPeb8sf/2SrAu1RqXkSwZV/duAc=
diff --git a/node_modules/crypto-browserify/LICENSE b/node_modules/crypto-browserify/LICENSE
new file mode 100644
index 00000000..8abb57d6
--- /dev/null
+++ b/node_modules/crypto-browserify/LICENSE
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2013 Dominic Tarr
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/crypto-browserify/README.md b/node_modules/crypto-browserify/README.md
new file mode 100644
index 00000000..893dcb25
--- /dev/null
+++ b/node_modules/crypto-browserify/README.md
@@ -0,0 +1,67 @@
+# crypto-browserify <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+A port of node's `crypto` module to the browser.
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/crypto-browserify.svg)](https://saucelabs.com/u/crypto-browserify)
+
+[![npm badge][npm-badge-png]][package-url]
+
+The goal of this module is to reimplement node's crypto module, in pure javascript so that it can run in the browser.
+
+Here is the subset that is currently implemented:
+
+* createHash (sha1, sha224, sha256, sha384, sha512, md5, rmd160)
+* createHmac (sha1, sha224, sha256, sha384, sha512, md5, rmd160)
+* pbkdf2
+* pbkdf2Sync
+* randomBytes
+* pseudoRandomBytes
+* createCipher (aes)
+* createDecipher (aes)
+* createDiffieHellman
+* createSign (rsa, ecdsa)
+* createVerify (rsa, ecdsa)
+* createECDH (secp256k1)
+* publicEncrypt/privateDecrypt (rsa)
+* privateEncrypt/publicDecrypt (rsa)
+
+## todo
+
+these features from node's `crypto` are still unimplemented.
+
+* createCredentials
+
+## contributions
+
+If you are interested in writing a feature, please implement as a new module,
+which will be incorporated into crypto-browserify as a dependency.
+
+All deps must be compatible with node's crypto
+(generate example inputs and outputs with node, and save base64 strings inside JSON, so that tests can run in the browser)
+see [sha.js](https://github.com/dominictarr/sha.js)
+
+Crypto is _extra serious_ so please do not hesitate to review the code, and post comments if you do.
+
+## License
+
+MIT
+
+[package-url]: https://npmjs.org/package/crypto-browserify
+[npm-version-svg]: https://versionbadg.es/browserify/crypto-browserify.svg
+[deps-svg]: https://david-dm.org/browserify/crypto-browserify.svg
+[deps-url]: https://david-dm.org/browserify/crypto-browserify
+[dev-deps-svg]: https://david-dm.org/browserify/crypto-browserify/dev-status.svg
+[dev-deps-url]: https://david-dm.org/browserify/crypto-browserify#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/crypto-browserify.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/crypto-browserify.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/crypto-browserify.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=crypto-browserify
+[codecov-image]: https://codecov.io/gh/browserify/crypto-browserify/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/browserify/crypto-browserify/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/browserify/crypto-browserify
+[actions-url]: https://github.com/browserify/crypto-browserify/actions
diff --git a/node_modules/crypto-browserify/example/bundle.js b/node_modules/crypto-browserify/example/bundle.js
new file mode 100644
index 00000000..2bf583d3
--- /dev/null
+++ b/node_modules/crypto-browserify/example/bundle.js
@@ -0,0 +1,605 @@
+'use strict';
+
+var require = function (file, cwd) {
+	var resolved = require.resolve(file, cwd || '/');
+	var mod = require.modules[resolved];
+	if (!mod) {
+		throw new Error('Failed to resolve module ' + file + ', tried ' + resolved);
+	}
+	var res = mod._cached ? mod._cached : mod();
+	return res;
+};
+
+require.paths = [];
+require.modules = {};
+require.extensions = ['.js', '.coffee'];
+
+require._core = {
+	assert: true,
+	events: true,
+	fs: true,
+	path: true,
+	vm: true
+};
+
+require.resolve = (function () {
+	return function (x, cwd) {
+		if (!cwd) { cwd = '/'; }
+
+		if (require._core[x]) { return x; }
+		var path = require.modules.path();
+		cwd = path.resolve('/', cwd);
+		var y = cwd || '/';
+
+		if (x.match(/^(?:\.\.?\/|\/)/)) {
+			var m = loadAsFileSync(path.resolve(y, x))
+				|| loadAsDirectorySync(path.resolve(y, x));
+			if (m) { return m; }
+		}
+
+		var n = loadNodeModulesSync(x, y);
+		if (n) { return n; }
+
+		throw new Error("Cannot find module '" + x + "'");
+
+		function loadAsFileSync(x) {
+			if (require.modules[x]) {
+				return x;
+			}
+
+			for (var i = 0; i < require.extensions.length; i++) {
+				var ext = require.extensions[i];
+				if (require.modules[x + ext]) { return x + ext; }
+			}
+		}
+
+		function loadAsDirectorySync(x) {
+			x = x.replace(/\/+$/, '');
+			var pkgfile = x + '/package.json';
+			if (require.modules[pkgfile]) {
+				var pkg = require.modules[pkgfile]();
+				var b = pkg.browserify;
+				if (typeof b === 'object' && b.main) {
+					var m = loadAsFileSync(path.resolve(x, b.main));
+					if (m) { return m; }
+				} else if (typeof b === 'string') {
+					var m = loadAsFileSync(path.resolve(x, b));
+					if (m) { return m; }
+				} else if (pkg.main) {
+					var m = loadAsFileSync(path.resolve(x, pkg.main));
+					if (m) { return m; }
+				}
+			}
+
+			return loadAsFileSync(x + '/index');
+		}
+
+		function loadNodeModulesSync(x, start) {
+			var dirs = nodeModulesPathsSync(start);
+			for (var i = 0; i < dirs.length; i++) {
+				var dir = dirs[i];
+				var m = loadAsFileSync(dir + '/' + x);
+				if (m) { return m; }
+				var n = loadAsDirectorySync(dir + '/' + x);
+				if (n) { return n; }
+			}
+
+			var m = loadAsFileSync(x);
+			if (m) { return m; }
+		}
+
+		function nodeModulesPathsSync(start) {
+			var parts;
+			if (start === '/') { parts = ['']; } else { parts = path.normalize(start).split('/'); }
+
+			var dirs = [];
+			for (var i = parts.length - 1; i >= 0; i--) {
+				if (parts[i] === 'node_modules') { continue; }
+				var dir = parts.slice(0, i + 1).join('/') + '/node_modules';
+				dirs.push(dir);
+			}
+
+			return dirs;
+		}
+	};
+}());
+
+require.alias = function (from, to) {
+	var path = require.modules.path();
+	var res = null;
+	try {
+		res = require.resolve(from + '/package.json', '/');
+	} catch (err) {
+		res = require.resolve(from, '/');
+	}
+	var basedir = path.dirname(res);
+
+	var keys = (Object.keys || function (obj) {
+		var res = [];
+		for (var key in obj) { res.push(key); }
+		return res;
+	})(require.modules);
+
+	for (var i = 0; i < keys.length; i++) {
+		var key = keys[i];
+		if (key.slice(0, basedir.length + 1) === basedir + '/') {
+			var f = key.slice(basedir.length);
+			require.modules[to + f] = require.modules[basedir + f];
+		} else if (key === basedir) {
+			require.modules[to] = require.modules[basedir];
+		}
+	}
+};
+
+require.define = function (filename, fn) {
+	var dirname = require._core[filename]
+		? ''
+		: require.modules.path().dirname(filename);
+	var require_ = function (file) {
+		return require(file, dirname);
+	};
+	require_.resolve = function (name) {
+		return require.resolve(name, dirname);
+	};
+	require_.modules = require.modules;
+	require_.define = require.define;
+	var module_ = { exports: {} };
+
+	require.modules[filename] = function () {
+		require.modules[filename]._cached = module_.exports;
+		fn.call(
+			module_.exports,
+			require_,
+			module_,
+			module_.exports,
+			dirname,
+			filename
+		);
+		require.modules[filename]._cached = module_.exports;
+		return module_.exports;
+	};
+};
+
+if (typeof process === 'undefined') { process = {}; }
+
+if (!process.nextTick) {
+	process.nextTick = (function () {
+		var queue = [];
+		var canPost = typeof window !== 'undefined'
+			&& window.postMessage && window.addEventListener;
+		if (canPost) {
+			window.addEventListener('message', function (ev) {
+				if (ev.source === window && ev.data === 'browserify-tick') {
+					ev.stopPropagation();
+					if (queue.length > 0) {
+						var fn = queue.shift();
+						fn();
+					}
+				}
+			}, true);
+		}
+
+		return function (fn) {
+			if (canPost) {
+				queue.push(fn);
+				window.postMessage('browserify-tick', '*');
+			} else { setTimeout(fn, 0); }
+		};
+	}());
+}
+
+if (!process.title) { process.title = 'browser'; }
+
+if (!process.binding) {
+	process.binding = function (name) {
+		if (name === 'evals') { return require('vm'); }
+		throw new Error('No such module');
+	};
+}
+
+if (!process.cwd) { process.cwd = function () { return '.'; }; }
+
+if (!process.env) { process.env = {}; }
+if (!process.argv) { process.argv = []; }
+
+require.define('path', function (require, module, exports, __dirname, __filename) {
+	function filter(xs, fn) {
+		var res = [];
+		for (var i = 0; i < xs.length; i++) {
+			if (fn(xs[i], i, xs)) { res.push(xs[i]); }
+		}
+		return res;
+	}
+
+	// resolves . and .. elements in a path array with directory names there
+	// must be no slashes, empty elements, or device names (c:\) in the array
+	// (so also no leading and trailing slashes - it does not distinguish
+	// relative and absolute paths)
+	function normalizeArray(parts, allowAboveRoot) {
+		// if the path tries to go above the root, `up` ends up > 0
+		var up = 0;
+		for (var i = parts.length; i >= 0; i--) {
+			var last = parts[i];
+			if (last == '.') {
+				parts.splice(i, 1);
+			} else if (last === '..') {
+				parts.splice(i, 1);
+				up++;
+			} else if (up) {
+				parts.splice(i, 1);
+				up--;
+			}
+		}
+
+		// if the path is allowed to go above the root, restore leading ..s
+		if (allowAboveRoot) {
+			for (; up--; up) {
+				parts.unshift('..');
+			}
+		}
+
+		return parts;
+	}
+
+	// Regex to split a filename into [*, dir, basename, ext]
+	// posix version
+	var splitPathRe = /^(.+\/(?!$)|\/)?((?:.+?)?(\.[^.]*)?)$/;
+
+	// path.resolve([from ...], to)
+	// posix version
+	exports.resolve = function () {
+		var resolvedPath = '',
+			resolvedAbsolute = false;
+
+		for (var i = arguments.length; i >= -1 && !resolvedAbsolute; i--) {
+			var path = i >= 0
+				? arguments[i]
+				: process.cwd();
+
+			// Skip empty and invalid entries
+			if (typeof path !== 'string' || !path) {
+				continue;
+			}
+
+			resolvedPath = path + '/' + resolvedPath;
+			resolvedAbsolute = path.charAt(0) === '/';
+		}
+
+		// At this point the path should be resolved to a full absolute path, but
+		// handle relative paths to be safe (might happen when process.cwd() fails)
+
+		// Normalize the path
+		resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function (p) {
+			return !!p;
+		}), !resolvedAbsolute).join('/');
+
+		return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+	};
+
+	// path.normalize(path)
+	// posix version
+	exports.normalize = function (path) {
+		var isAbsolute = path.charAt(0) === '/',
+			trailingSlash = path.slice(-1) === '/';
+
+		// Normalize the path
+		path = normalizeArray(filter(path.split('/'), function (p) {
+			return !!p;
+		}), !isAbsolute).join('/');
+
+		if (!path && !isAbsolute) {
+			path = '.';
+		}
+		if (path && trailingSlash) {
+			path += '/';
+		}
+
+		return (isAbsolute ? '/' : '') + path;
+	};
+
+	// posix version
+	exports.join = function () {
+		var paths = Array.prototype.slice.call(arguments, 0);
+		return exports.normalize(filter(paths, function (p, index) {
+			return p && typeof p === 'string';
+		}).join('/'));
+	};
+
+	exports.dirname = function (path) {
+		var dir = splitPathRe.exec(path)[1] || '';
+		var isWindows = false;
+		if (!dir) {
+			// No dirname
+			return '.';
+		} else if (
+			dir.length === 1
+			|| (isWindows && dir.length <= 3 && dir.charAt(1) === ':')
+		) {
+			// It is just a slash or a drive letter with a slash
+			return dir;
+		}
+		// It is a full dirname, strip trailing slash
+		return dir.substring(0, dir.length - 1);
+
+	};
+
+	exports.basename = function (path, ext) {
+		var f = splitPathRe.exec(path)[2] || '';
+		// TODO: make this comparison case-insensitive on windows?
+		if (ext && f.substr(-1 * ext.length) === ext) {
+			f = f.substr(0, f.length - ext.length);
+		}
+		return f;
+	};
+
+	exports.extname = function (path) {
+		return splitPathRe.exec(path)[3] || '';
+	};
+
+});
+
+require.define('crypto', function (require, module, exports, __dirname, __filename) {
+	module.exports = require('crypto-browserify');
+});
+
+require.define('/node_modules/crypto-browserify/package.json', function (require, module, exports, __dirname, __filename) {
+	module.exports = {};
+});
+
+require.define('/node_modules/crypto-browserify/index.js', function (require, module, exports, __dirname, __filename) {
+	var sha = require('./sha');
+
+	var algorithms = {
+		sha1: {
+			hex: sha.hex_sha1,
+			binary: sha.b64_sha1,
+			ascii: sha.str_sha1
+		}
+	};
+
+	function error() {
+		var m = Array.prototype.slice.call(arguments).join(' ');
+		throw new Error(m+'\nwe accept pull requests\nhttp://github.com/browserify/crypto-browserify'.join('\n'));
+	}
+
+	exports.createHash = function (alg) {
+		alg = alg || 'sha1';
+		if (!algorithms[alg]) { error('algorithm:', alg, 'is not yet supported'); }
+		var s = '';
+		_alg = algorithms[alg];
+		return {
+			update: function (data) {
+				s += data;
+				return this;
+			},
+			digest: function (enc) {
+				enc = enc || 'binary';
+				var fn;
+				if (!(fn = _alg[enc])) { error('encoding:', enc, 'is not yet supported for algorithm', alg); }
+				var r = fn(s);
+				s = null; // not meant to use the hash after you've called digest.
+				return r;
+			}
+		};
+	}
+	// the least I can do is make error messages for the rest of the node.js/crypto api.
+	;[
+		'createCredentials',
+		'createHmac',
+		'createCypher',
+		'createCypheriv',
+		'createDecipher',
+		'createDecipheriv',
+		'createSign',
+		'createVerify',
+		'createDeffieHellman',,
+		'pbkdf2',,
+		'randomBytes'
+	].forEach(function (name) {
+		exports[name] = function () {
+			error('sorry,', name, 'is not implemented yet');
+		};
+	});
+
+});
+
+require.define('/node_modules/crypto-browserify/sha.js', function (require, module, exports, __dirname, __filename) {
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS PUB 180-1
+ * Version 2.1a Copyright Paul Johnston 2000 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
+
+	exports.hex_sha1 = hex_sha1;
+	exports.b64_sha1 = b64_sha1;
+	exports.str_sha1 = str_sha1;
+	exports.hex_hmac_sha1 = hex_hmac_sha1;
+	exports.b64_hmac_sha1 = b64_hmac_sha1;
+	exports.str_hmac_sha1 = str_hmac_sha1;
+
+	/*
+ * Configurable variables. You may need to tweak these to be compatible with
+ * the server-side, but the defaults work in most cases.
+ */
+	var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
+	var b64pad = ''; /* base-64 pad character. "=" for strict RFC compliance */
+	var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
+
+	/*
+ * These are the functions you'll usually want to call
+ * They take string arguments and return either hex or base-64 encoded strings
+ */
+	function hex_sha1(s) { return binb2hex(core_sha1(str2binb(s), s.length * chrsz)); }
+	function b64_sha1(s) { return binb2b64(core_sha1(str2binb(s), s.length * chrsz)); }
+	function str_sha1(s) { return binb2str(core_sha1(str2binb(s), s.length * chrsz)); }
+	function hex_hmac_sha1(key, data) { return binb2hex(core_hmac_sha1(key, data)); }
+	function b64_hmac_sha1(key, data) { return binb2b64(core_hmac_sha1(key, data)); }
+	function str_hmac_sha1(key, data) { return binb2str(core_hmac_sha1(key, data)); }
+
+	/*
+ * Perform a simple self-test to see if the VM is working
+ */
+	function sha1_vm_test() 	{
+		return hex_sha1('abc') == 'a9993e364706816aba3e25717850c26c9cd0d89d';
+	}
+
+	/*
+ * Calculate the SHA-1 of an array of big-endian words, and a bit length
+ */
+	function core_sha1(x, len) 	{
+		/* append padding */
+		x[len >> 5] |= 0x80 << (24 - len % 32);
+		x[((len + 64 >> 9) << 4) + 15] = len;
+
+		var w = Array(80);
+		var a = 1732584193;
+		var b = -271733879;
+		var c = -1732584194;
+		var d = 271733878;
+		var e = -1009589776;
+
+		for (var i = 0; i < x.length; i += 16) {
+			var olda = a;
+			var oldb = b;
+			var oldc = c;
+			var oldd = d;
+			var olde = e;
+
+			for (var j = 0; j < 80; j++) {
+				if (j < 16) { w[j] = x[i + j]; } else { w[j] = rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1); }
+				var t = safe_add(
+					safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
+					safe_add(safe_add(e, w[j]), sha1_kt(j))
+				);
+				e = d;
+				d = c;
+				c = rol(b, 30);
+				b = a;
+				a = t;
+			}
+
+			a = safe_add(a, olda);
+			b = safe_add(b, oldb);
+			c = safe_add(c, oldc);
+			d = safe_add(d, oldd);
+			e = safe_add(e, olde);
+		}
+		return Array(a, b, c, d, e);
+
+	}
+
+	/*
+ * Perform the appropriate triplet combination function for the current
+ * iteration
+ */
+	function sha1_ft(t, b, c, d) 	{
+		if (t < 20) { return (b & c) | (~b & d); }
+		if (t < 40) { return b ^ c ^ d; }
+		if (t < 60) { return (b & c) | (b & d) | (c & d); }
+		return b ^ c ^ d;
+	}
+
+	/*
+ * Determine the appropriate additive constant for the current iteration
+ */
+	function sha1_kt(t) 	{
+		return t < 20 ? 1518500249 : t < 40 ? 1859775393
+			: t < 60 ? -1894007588 : -899497514;
+	}
+
+	/*
+ * Calculate the HMAC-SHA1 of a key and some data
+ */
+	function core_hmac_sha1(key, data) 	{
+		var bkey = str2binb(key);
+		if (bkey.length > 16) { bkey = core_sha1(bkey, key.length * chrsz); }
+
+		var ipad = Array(16),
+			opad = Array(16);
+		for (var i = 0; i < 16; i++) {
+			ipad[i] = bkey[i] ^ 0x36363636;
+			opad[i] = bkey[i] ^ 0x5C5C5C5C;
+		}
+
+		var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
+		return core_sha1(opad.concat(hash), 512 + 160);
+	}
+
+	/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+	function safe_add(x, y) 	{
+		var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+		var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+		return (msw << 16) | (lsw & 0xFFFF);
+	}
+
+	/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+	function rol(num, cnt) 	{
+		return (num << cnt) | (num >>> (32 - cnt));
+	}
+
+	/*
+ * Convert an 8-bit or 16-bit string to an array of big-endian words
+ * In 8-bit function, characters >255 have their hi-byte silently ignored.
+ */
+	function str2binb(str) 	{
+		var bin = Array();
+		var mask = (1 << chrsz) - 1;
+		for (var i = 0; i < str.length * chrsz; i += chrsz) { bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i % 32); }
+		return bin;
+	}
+
+	/*
+ * Convert an array of big-endian words to a string
+ */
+	function binb2str(bin) 	{
+		var str = '';
+		var mask = (1 << chrsz) - 1;
+		for (var i = 0; i < bin.length * 32; i += chrsz) { str += String.fromCharCode((bin[i >> 5] >>> (32 - chrsz - i % 32)) & mask); }
+		return str;
+	}
+
+	/*
+ * Convert an array of big-endian words to a hex string.
+ */
+	function binb2hex(binarray) 	{
+		var hex_tab = hexcase ? '0123456789ABCDEF' : '0123456789abcdef';
+		var str = '';
+		for (var i = 0; i < binarray.length * 4; i++) {
+			str += hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8)) & 0xF);
+		}
+		return str;
+	}
+
+	/*
+ * Convert an array of big-endian words to a base-64 string
+ */
+	function binb2b64(binarray) 	{
+		var tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+		var str = '';
+		for (var i = 0; i < binarray.length * 4; i += 3) {
+			var triplet = (((binarray[i >> 2] >> 8 * (3 - i % 4)) & 0xFF) << 16) | (((binarray[i + 1 >> 2] >> 8 * (3 - (i + 1) % 4)) & 0xFF) << 8) | ((binarray[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4)) & 0xFF);
+			for (var j = 0; j < 4; j++) {
+				if (i * 8 + j * 6 > binarray.length * 32) { str += b64pad; } else { str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F); }
+			}
+		}
+		return str;
+	}
+
+});
+
+require.define('/test.js', function (require, module, exports, __dirname, __filename) {
+	var crypto = require('crypto');
+	var abc = crypto.createHash('sha1').update('abc').digest('hex');
+	console.log(abc);
+	// require('hello').inlineCall().call2()
+
+});
+require('/test.js');
diff --git a/node_modules/crypto-browserify/example/index.html b/node_modules/crypto-browserify/example/index.html
new file mode 100644
index 00000000..7ac72a97
--- /dev/null
+++ b/node_modules/crypto-browserify/example/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html>
+<script src=bundle.js></script>
+<body>
+	<pre>
+		require('crypto').createHash('sha1').update('abc').digest('hex') == '<span id=ans></span>'
+	</pre>
+</body>
+<script>
+	document.getElementById('ans').innerHTML = require('crypto').createHash('sha1').update('abc').digest('hex')
+</script>
+</html>
diff --git a/node_modules/crypto-browserify/example/test.js b/node_modules/crypto-browserify/example/test.js
new file mode 100644
index 00000000..5a4dc1cd
--- /dev/null
+++ b/node_modules/crypto-browserify/example/test.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var crypto = require('crypto');
+var abc = crypto.createHash('sha1').update('abc').digest('hex');
+console.log(abc);
+// require('hello').inlineCall().call2()
diff --git a/node_modules/crypto-browserify/index.js b/node_modules/crypto-browserify/index.js
new file mode 100644
index 00000000..44a2edf6
--- /dev/null
+++ b/node_modules/crypto-browserify/index.js
@@ -0,0 +1,103 @@
+'use strict';
+
+// eslint-disable-next-line no-multi-assign
+exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = require('randombytes');
+
+// eslint-disable-next-line no-multi-assign
+exports.createHash = exports.Hash = require('create-hash');
+
+// eslint-disable-next-line no-multi-assign
+exports.createHmac = exports.Hmac = require('create-hmac');
+
+var algos = require('browserify-sign/algos');
+var algoKeys = Object.keys(algos);
+var hashes = [
+	'sha1',
+	'sha224',
+	'sha256',
+	'sha384',
+	'sha512',
+	'md5',
+	'rmd160'
+].concat(algoKeys);
+
+exports.getHashes = function () {
+	return hashes;
+};
+
+var p = require('pbkdf2');
+exports.pbkdf2 = p.pbkdf2;
+exports.pbkdf2Sync = p.pbkdf2Sync;
+
+var aes = require('browserify-cipher');
+
+exports.Cipher = aes.Cipher;
+exports.createCipher = aes.createCipher;
+exports.Cipheriv = aes.Cipheriv;
+exports.createCipheriv = aes.createCipheriv;
+exports.Decipher = aes.Decipher;
+exports.createDecipher = aes.createDecipher;
+exports.Decipheriv = aes.Decipheriv;
+exports.createDecipheriv = aes.createDecipheriv;
+exports.getCiphers = aes.getCiphers;
+exports.listCiphers = aes.listCiphers;
+
+var dh = require('diffie-hellman');
+
+exports.DiffieHellmanGroup = dh.DiffieHellmanGroup;
+exports.createDiffieHellmanGroup = dh.createDiffieHellmanGroup;
+exports.getDiffieHellman = dh.getDiffieHellman;
+exports.createDiffieHellman = dh.createDiffieHellman;
+exports.DiffieHellman = dh.DiffieHellman;
+
+var sign = require('browserify-sign');
+
+exports.createSign = sign.createSign;
+exports.Sign = sign.Sign;
+exports.createVerify = sign.createVerify;
+exports.Verify = sign.Verify;
+
+exports.createECDH = require('create-ecdh');
+
+var publicEncrypt = require('public-encrypt');
+
+exports.publicEncrypt = publicEncrypt.publicEncrypt;
+exports.privateEncrypt = publicEncrypt.privateEncrypt;
+exports.publicDecrypt = publicEncrypt.publicDecrypt;
+exports.privateDecrypt = publicEncrypt.privateDecrypt;
+
+// the least I can do is make error messages for the rest of the node.js/crypto api.
+// [
+//   'createCredentials'
+// ].forEach(function (name) {
+//   exports[name] = function () {
+//     throw new Error('sorry, ' + name + ' is not implemented yet\nwe accept pull requests\nhttps://github.com/browserify/crypto-browserify');
+//   };
+// });
+
+var rf = require('randomfill');
+
+exports.randomFill = rf.randomFill;
+exports.randomFillSync = rf.randomFillSync;
+
+exports.createCredentials = function () {
+	throw new Error('sorry, createCredentials is not implemented yet\nwe accept pull requests\nhttps://github.com/browserify/crypto-browserify');
+};
+
+exports.constants = {
+	DH_CHECK_P_NOT_SAFE_PRIME: 2,
+	DH_CHECK_P_NOT_PRIME: 1,
+	DH_UNABLE_TO_CHECK_GENERATOR: 4,
+	DH_NOT_SUITABLE_GENERATOR: 8,
+	NPN_ENABLED: 1,
+	ALPN_ENABLED: 1,
+	RSA_PKCS1_PADDING: 1,
+	RSA_SSLV23_PADDING: 2,
+	RSA_NO_PADDING: 3,
+	RSA_PKCS1_OAEP_PADDING: 4,
+	RSA_X931_PADDING: 5,
+	RSA_PKCS1_PSS_PADDING: 6,
+	POINT_CONVERSION_COMPRESSED: 2,
+	POINT_CONVERSION_UNCOMPRESSED: 4,
+	POINT_CONVERSION_HYBRID: 6
+};
diff --git a/node_modules/crypto-browserify/package.json b/node_modules/crypto-browserify/package.json
new file mode 100644
index 00000000..be44bd45
--- /dev/null
+++ b/node_modules/crypto-browserify/package.json
@@ -0,0 +1,54 @@
+{
+	"author": "Dominic Tarr <dominic.tarr@gmail.com> (dominictarr.com)",
+	"name": "crypto-browserify",
+	"description": "implementation of crypto for the browser",
+	"version": "3.12.1",
+	"homepage": "https://github.com/browserify/crypto-browserify",
+	"sideEffects": false,
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/browserify/crypto-browserify.git"
+	},
+	"scripts": {
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production"
+	},
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"engines": {
+		"node": ">= 0.10"
+	},
+	"dependencies": {
+		"browserify-cipher": "^1.0.1",
+		"browserify-sign": "^4.2.3",
+		"create-ecdh": "^4.0.4",
+		"create-hash": "^1.2.0",
+		"create-hmac": "^1.1.7",
+		"diffie-hellman": "^5.0.3",
+		"hash-base": "~3.0.4",
+		"inherits": "^2.0.4",
+		"pbkdf2": "^3.1.2",
+		"public-encrypt": "^4.0.3",
+		"randombytes": "^2.1.0",
+		"randomfill": "^1.0.4"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"eslint": "=8.8.0",
+		"hash-test-vectors": "^1.3.2",
+		"nyc": "^10.3.2",
+		"object.entries": "^1.1.8",
+		"pseudorandombytes": "^2.0.0",
+		"safe-buffer": "^5.2.1",
+		"semver": "^6.3.1",
+		"tape": "^5.9.0"
+	},
+	"browser": {
+		"crypto": false
+	},
+	"license": "MIT"
+}
diff --git a/node_modules/crypto-browserify/test/aes.js b/node_modules/crypto-browserify/test/aes.js
new file mode 100644
index 00000000..9dd74cf7
--- /dev/null
+++ b/node_modules/crypto-browserify/test/aes.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var test = require('tape');
+var bcCrypto = require('browserify-cipher/browser');
+var bcCyphers = bcCrypto.getCiphers();
+var randomBytes = require('pseudorandombytes');
+
+for (var i = 0; i < 4; i += 1) {
+	bcCrypto.listCiphers().forEach(function (cipher) {
+		test('run: ' + i, function (t) {
+			/* eslint no-loop-func: 0 */
+			t.test('ciphers: ' + cipher, function (st) {
+				st.plan(1);
+				var data = randomBytes(562);
+				var password = randomBytes(20);
+				var crypter = bcCrypto.createCipher(cipher, password);
+				var decrypter = bcCrypto.createDecipher(cipher, password);
+				var out = [];
+				out.push(decrypter.update(crypter.update(data)));
+				out.push(decrypter.update(crypter['final']()));
+				if (cipher.indexOf('gcm') > -1) {
+					decrypter.setAuthTag(crypter.getAuthTag());
+				}
+				out.push(decrypter['final']());
+
+				st.equals(data.toString('hex'), Buffer.concat(out).toString('hex'));
+			});
+		});
+	});
+}
+
+test('getCiphers', function (t) {
+	t.plan(1);
+	t.ok(bcCyphers.length, 'get ciphers returns an array');
+});
+
+// eslint-disable-next-line global-require
+test('through crypto browserify works', { skip: !require('crypto').createCipher && 'node 22+ removes createCipher' }, function (t) {
+	t.plan(2);
+	var crypto = require('../'); // eslint-disable-line global-require
+	var cipher = 'aes-128-ctr';
+	var data = randomBytes(562);
+	var password = randomBytes(20);
+	var crypter = crypto.createCipher(cipher, password);
+	var decrypter = crypto.createDecipher(cipher, password);
+	var out = [];
+	out.push(decrypter.update(crypter.update(data)));
+	out.push(decrypter.update(crypter['final']()));
+	out.push(decrypter['final']());
+
+	t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'));
+
+	t.ok(crypto.getCiphers().length, 'get ciphers returns an array');
+});
diff --git a/node_modules/crypto-browserify/test/create-hash.js b/node_modules/crypto-browserify/test/create-hash.js
new file mode 100644
index 00000000..dac0ef8f
--- /dev/null
+++ b/node_modules/crypto-browserify/test/create-hash.js
@@ -0,0 +1,51 @@
+'use strict';
+
+var test = require('tape');
+var satisfies = require('semver').satisfies;
+
+var algorithms = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'];
+var encodings = ['hex', 'base64']; // FIXME: test binary
+var vectors = require('hash-test-vectors');
+
+function runTest(name, createHash, algorithm) {
+	var isUnsupported = satisfies(process.version, '^17') && (
+		algorithm === 'rmd160'
+		|| algorithm === 'hmac(rmd160)'
+	);
+	test(
+		name + ' test ' + algorithm + ' against test vectors',
+		{ skip: isUnsupported && 'this node version does not support ' + algorithm },
+		function (t) {
+			vectors.forEach(function (obj, i) {
+				var input = new Buffer(obj.input, 'base64');
+				var node = obj[algorithm];
+				var js = createHash(algorithm).update(input).digest('hex');
+				t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node);
+
+				encodings.forEach(function (encoding) {
+					var eInput = new Buffer(obj.input, 'base64').toString(encoding);
+					var eNode = obj[algorithm];
+					var eJS = createHash(algorithm).update(eInput, encoding).digest('hex');
+					t.equal(eJS, eNode, algorithm + '(testVector[' + i + '], ' + encoding + ') == ' + eNode);
+				});
+				input = new Buffer(obj.input, 'base64');
+				node = obj[algorithm];
+				var hash = createHash(algorithm);
+				hash.end(input);
+				js = hash.read().toString('hex');
+				t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node);
+			});
+
+			t.end();
+		}
+	);
+}
+
+function testLib(name, createHash) {
+	algorithms.forEach(function (algorithm) {
+		runTest(name, createHash, algorithm);
+	});
+}
+
+testLib('createHash in crypto-browserify', require('../').createHash);
+testLib('create-hash/browser', require('create-hash/browser'));
diff --git a/node_modules/crypto-browserify/test/create-hmac.js b/node_modules/crypto-browserify/test/create-hmac.js
new file mode 100644
index 00000000..ec81df9e
--- /dev/null
+++ b/node_modules/crypto-browserify/test/create-hmac.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var test = require('tape');
+var satisfies = require('semver').satisfies;
+
+var algorithms = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'];
+var vectors = require('hash-test-vectors/hmac');
+
+function testLib(name, createHmac) {
+	algorithms.forEach(function (alg) {
+		var isUnsupported = satisfies(process.version, '^17') && (
+			alg === 'rmd160'
+			|| alg === 'hmac(rmd160)'
+		);
+		test(
+			name + ' hmac(' + alg + ')',
+			{ skip: isUnsupported && 'this node version does not support ' + alg },
+			function (t) {
+				vectors.forEach(function (input) {
+					var output = createHmac(alg, new Buffer(input.key, 'hex'))
+						.update(input.data, 'hex').digest();
+
+					output = input.truncate ? output.slice(0, input.truncate) : output;
+					output = output.toString('hex');
+					t.equal(output, input[alg]);
+				});
+
+				t.end();
+			}
+		);
+
+		test(
+			'hmac(' + alg + ')',
+			{ skip: isUnsupported && 'this node version does not support ' + alg },
+			function (t) {
+				vectors.forEach(function (input) {
+					var hmac = createHmac(alg, new Buffer(input.key, 'hex'));
+
+					hmac.end(input.data, 'hex');
+					var output = hmac.read();
+
+					output = input.truncate ? output.slice(0, input.truncate) : output;
+					output = output.toString('hex');
+					t.equal(output, input[alg]);
+				});
+
+				t.end();
+			}
+		);
+	});
+}
+
+testLib('createHmac in crypto-browserify', require('../').createHmac);
+testLib('create-hmac/browser', require('create-hmac/browser'));
diff --git a/node_modules/crypto-browserify/test/dh.js b/node_modules/crypto-browserify/test/dh.js
new file mode 100644
index 00000000..73dceebb
--- /dev/null
+++ b/node_modules/crypto-browserify/test/dh.js
@@ -0,0 +1,60 @@
+'use strict';
+
+var test = require('tape');
+var crypto = require('diffie-hellman/browser');
+
+test('diffie-hellman mod groups', function (t) {
+	[
+		'modp1',
+		'modp2',
+		'modp5',
+		'modp14',
+		'modp15',
+		'modp16'
+	].forEach(function (mod) {
+		t.test(mod, function (st) {
+			st.plan(3);
+			var dh1 = crypto.getDiffieHellman(mod);
+			var p1 = dh1.getPrime().toString('hex');
+			dh1.generateKeys();
+			var dh2 = crypto.getDiffieHellman(mod);
+			var p2 = dh2.getPrime().toString('hex');
+			dh2.generateKeys();
+			st.equals(p1, p2, 'equal primes');
+			var pubk1 = dh1.getPublicKey();
+			var pubk2 = dh2.getPublicKey();
+			st.notEquals(pubk1, pubk2, 'diff public keys');
+			var pub1 = dh1.computeSecret(pubk2).toString('hex');
+			var pub2 = dh2.computeSecret(dh1.getPublicKey()).toString('hex');
+			st.equals(pub1, pub2, 'equal secrets');
+		});
+	});
+});
+
+test('diffie-hellman key lengths', function (t) {
+	[
+		64,
+		65,
+		192
+	].forEach(function (len) {
+		t.test(String(len), function (st) {
+			st.plan(3);
+			var dh2 = crypto.createDiffieHellman(len);
+			var prime2 = dh2.getPrime();
+			var p2 = prime2.toString('hex');
+			var dh1 = crypto.createDiffieHellman(prime2);
+			var p1 = dh1.getPrime().toString('hex');
+			dh1.generateKeys();
+			dh2.generateKeys();
+			st.equals(p1, p2, 'equal primes');
+
+			var pubk1 = dh1.getPublicKey();
+			var pubk2 = dh2.getPublicKey();
+			st.notEquals(pubk1, pubk2, 'diff public keys');
+
+			var pub1 = dh1.computeSecret(pubk2).toString('hex');
+			var pub2 = dh2.computeSecret(dh1.getPublicKey()).toString('hex');
+			st.equals(pub1, pub2, 'equal secrets');
+		});
+	});
+});
diff --git a/node_modules/crypto-browserify/test/ecdh.js b/node_modules/crypto-browserify/test/ecdh.js
new file mode 100644
index 00000000..cb3f64f7
--- /dev/null
+++ b/node_modules/crypto-browserify/test/ecdh.js
@@ -0,0 +1,62 @@
+'use strict';
+
+var mods = [
+	'secp256k1',
+	'secp224r1',
+	'prime256v1',
+	'prime192v1'
+];
+var test = require('tape');
+var createECDH1 = require('../').createECDH;
+var createECDH2 = require('create-ecdh/browser');
+
+mods.forEach(function (mod) {
+	test('createECDH: ' + mod + ' uncompressed', function (t) {
+		t.plan(2);
+		var dh1 = createECDH1(mod);
+		dh1.generateKeys();
+		var dh2 = createECDH2(mod);
+		dh2.generateKeys();
+		var pubk1 = dh1.getPublicKey();
+		var pubk2 = dh2.getPublicKey();
+		t.notEquals(pubk1.toString('hex'), pubk2.toString('hex'), 'diff public keys');
+		var pub1 = dh1.computeSecret(pubk2).toString('hex');
+		var pub2 = dh2.computeSecret(pubk1).toString('hex');
+		t.equals(pub1, pub2, 'equal secrets');
+	});
+
+	test('createECDH: ' + mod + ' compressed', function (t) {
+		t.plan(2);
+		var dh1 = createECDH1(mod);
+		dh1.generateKeys();
+		var dh2 = createECDH2(mod);
+		dh2.generateKeys();
+		var pubk1 = dh1.getPublicKey(null, 'compressed');
+		var pubk2 = dh2.getPublicKey(null, 'compressed');
+		t.notEquals(pubk1.toString('hex'), pubk2.toString('hex'), 'diff public keys');
+		var pub1 = dh1.computeSecret(pubk2).toString('hex');
+		var pub2 = dh2.computeSecret(pubk1).toString('hex');
+		t.equals(pub1, pub2, 'equal secrets');
+	});
+
+	test('createECDH: ' + mod + ' set stuff', function (t) {
+		t.plan(5);
+		var dh1 = createECDH1(mod);
+		var dh2 = createECDH2(mod);
+		dh1.generateKeys();
+		dh2.generateKeys();
+		dh1.setPrivateKey(dh2.getPrivateKey());
+		dh1.setPublicKey(dh2.getPublicKey());
+		var priv1 = dh1.getPrivateKey('hex');
+		var priv2 = dh2.getPrivateKey('hex');
+		t.equals(priv1, priv2, 'same private key');
+		var pubk1 = dh1.getPublicKey();
+		var pubk2 = dh2.getPublicKey();
+		t.equals(pubk1.toString('hex'), pubk2.toString('hex'), 'same public keys, uncompressed');
+		t.equals(dh1.getPublicKey('hex', 'compressed'), dh2.getPublicKey('hex', 'compressed'), 'same public keys compressed');
+		t.equals(dh1.getPublicKey('hex', 'hybrid'), dh2.getPublicKey('hex', 'hybrid'), 'same public keys hybrid');
+		var pub1 = dh1.computeSecret(pubk2).toString('hex');
+		var pub2 = dh2.computeSecret(pubk1).toString('hex');
+		t.equals(pub1, pub2, 'equal secrets');
+	});
+});
diff --git a/node_modules/crypto-browserify/test/index.js b/node_modules/crypto-browserify/test/index.js
new file mode 100644
index 00000000..4a214a21
--- /dev/null
+++ b/node_modules/crypto-browserify/test/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+/* eslint-disable global-require */
+
+require('./create-hash');
+require('./create-hmac');
+if (!process.browser) {
+	require('./dh');
+}
+
+require('./pbkdf2');
+try {
+	require('randombytes')(8);
+	require('./ecdh');
+	require('./public-encrypt');
+	require('./random-bytes');
+	require('./sign');
+	require('./random-fill');
+} catch (e) {
+	console.log('no secure rng avaiable');
+}
+require('./aes');
diff --git a/node_modules/crypto-browserify/test/node/dh.js b/node_modules/crypto-browserify/test/node/dh.js
new file mode 100644
index 00000000..ae8f7d74
--- /dev/null
+++ b/node_modules/crypto-browserify/test/node/dh.js
@@ -0,0 +1,69 @@
+'use strict';
+
+var test = require('tape');
+var cryptoB = require('../../');
+var crypto = require('crypto');
+var satisfies = require('semver').satisfies;
+
+test('diffie-hellman mod groups', function (t) {
+	[
+		'modp1',
+		'modp2',
+		'modp5',
+		'modp14',
+		'modp15',
+		'modp16'
+	].forEach(function (mod) {
+		t.test(mod, function (st) {
+			st.plan(3);
+			var dh1 = cryptoB.getDiffieHellman(mod);
+			var p1 = dh1.getPrime().toString('hex');
+			dh1.generateKeys();
+
+			var dh2 = crypto.getDiffieHellman(mod);
+			var p2 = dh2.getPrime().toString('hex');
+			dh2.generateKeys();
+			st.equals(p1, p2, 'equal primes');
+
+			var pubk1 = dh1.getPublicKey();
+			var pubk2 = dh2.getPublicKey();
+			st.notEquals(pubk1, pubk2, 'diff public keys');
+
+			var pub1 = dh1.computeSecret(pubk2).toString('hex');
+			var pub2 = dh2.computeSecret(pubk1).toString('hex');
+			st.equals(pub1, pub2, 'equal secrets');
+		});
+	});
+});
+
+test('diffie-hellman key lengths', function (t) {
+	[
+		64,
+		65,
+		192,
+		512,
+		1024
+	].forEach(function (len) {
+		var modulusTooSmall = satisfies(process.version, '>= 17') && len < 512;
+		t.test(String(len), { skip: modulusTooSmall && 'node 17+ requires a length >= 512' }, function (st) {
+			var dh2 = cryptoB.createDiffieHellman(len);
+			var prime2 = dh2.getPrime();
+			var p2 = prime2.toString('hex');
+			var dh1 = crypto.createDiffieHellman(prime2);
+			var p1 = dh1.getPrime().toString('hex');
+			dh1.generateKeys();
+			dh2.generateKeys();
+			st.equals(p1, p2, 'equal primes');
+
+			var pubk1 = dh1.getPublicKey();
+			var pubk2 = dh2.getPublicKey();
+			st.notEquals(pubk1, pubk2, 'diff public keys');
+
+			var pub1 = dh1.computeSecret(pubk2).toString('hex');
+			var pub2 = dh2.computeSecret(dh1.getPublicKey()).toString('hex');
+			st.equals(pub1, pub2, 'equal secrets');
+
+			st.end();
+		});
+	});
+});
diff --git a/node_modules/crypto-browserify/test/pbkdf2.js b/node_modules/crypto-browserify/test/pbkdf2.js
new file mode 100644
index 00000000..bd3bb9a1
--- /dev/null
+++ b/node_modules/crypto-browserify/test/pbkdf2.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var tape = require('tape');
+var crypto = require('pbkdf2/browser');
+
+var vectors = require('hash-test-vectors/pbkdf2');
+
+tape('pbkdf2', function (t) {
+	vectors.forEach(function (input) {
+		// skip inputs that will take way too long
+		if (input.iterations > 10000) { return; }
+
+		var key = crypto.pbkdf2Sync(input.password, input.salt, input.iterations, input.length);
+
+		if (key.toString('hex') !== input.sha1) {
+			console.log(input);
+		}
+
+		t.equal(key.toString('hex'), input.sha1);
+	});
+
+	t.end();
+});
diff --git a/node_modules/crypto-browserify/test/public-encrypt.js b/node_modules/crypto-browserify/test/public-encrypt.js
new file mode 100644
index 00000000..e240873e
--- /dev/null
+++ b/node_modules/crypto-browserify/test/public-encrypt.js
@@ -0,0 +1,39 @@
+'use strict';
+
+var test = require('tape');
+var crypto1 = require('../');
+var rsa = {
+	'private': '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',
+	'public': '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'
+};
+var crypto2 = require('public-encrypt/browser');
+rsa['private'] = new Buffer(rsa['private'], 'hex');
+rsa['public'] = new Buffer(rsa['public'], 'hex');
+
+var encrypted = '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';
+
+test('publicEncrypt/privateDecrypt', function (t) {
+	t.test('can decrypt', function (st) {
+		st.plan(2);
+		// note encryption is ranomized so can't test to see if they encrypt the same
+		st.equals(crypto1.privateDecrypt(rsa['private'], new Buffer(encrypted, 'hex')).toString(), 'hello there I am a nice message', 'decrypt it properly');
+		st.equals(crypto2.privateDecrypt(rsa['private'], new Buffer(encrypted, 'hex')).toString(), 'hello there I am a nice message', 'decrypt it properly');
+	});
+	t.test('can round trip', function (st) {
+		st.plan(2);
+		var msg = 'this is a message';
+		// note encryption is ranomized so can't test to see if they encrypt the same
+		st.equals(crypto1.privateDecrypt(rsa['private'], crypto2.publicEncrypt(rsa['public'], new Buffer(msg))).toString(), msg, 'round trip it');
+		st.equals(crypto2.privateDecrypt(rsa['private'], crypto1.publicEncrypt(rsa['public'], new Buffer(msg))).toString(), msg, 'round trip it');
+	});
+});
+
+test('privateEncrypt/publicDecrypt', function (t) {
+	t.test('can round trip', function (st) {
+		st.plan(2);
+		var msg = 'this is a message';
+		// note encryption is ranomized so can't test to see if they encrypt the same
+		st.equals(crypto1.publicDecrypt(rsa['public'], crypto2.privateEncrypt(rsa['private'], new Buffer(msg))).toString(), msg, 'round trip it');
+		st.equals(crypto2.publicDecrypt(rsa['public'], crypto1.privateEncrypt(rsa['private'], new Buffer(msg))).toString(), msg, 'round trip it');
+	});
+});
diff --git a/node_modules/crypto-browserify/test/random-bytes.js b/node_modules/crypto-browserify/test/random-bytes.js
new file mode 100644
index 00000000..47f75357
--- /dev/null
+++ b/node_modules/crypto-browserify/test/random-bytes.js
@@ -0,0 +1,65 @@
+'use strict';
+
+var test = require('tape');
+var crypto = require('../');
+var randomBytes = require('randombytes');
+var entries = require('object.entries');
+
+var randomBytesFunctions = {
+	randomBytes: randomBytes,
+	pseudoRandomBytes: crypto.pseudoRandomBytes
+};
+
+// Both randomBytes and pseudoRandomBytes should provide the same interface
+entries(randomBytesFunctions).forEach(function (entry) {
+	var randomBytesName = entry[0];
+	var randomBytesFn = entry[1];
+
+	test('get error message', function (t) {
+		try {
+			var b = randomBytesFn(10);
+			t.ok(Buffer.isBuffer(b));
+			t.end();
+		} catch (err) {
+			t.ok((/not supported/).test(err.message), '"not supported" is in error message');
+			t.end();
+		}
+	});
+
+	test(randomBytesName, function (t) {
+		t.plan(5);
+		t.equal(randomBytesFn(10).length, 10);
+		t.ok(Buffer.isBuffer(randomBytesFn(10)));
+		randomBytesFn(10, function (ex, bytes) {
+			t.error(ex);
+			t.equal(bytes.length, 10);
+			t.ok(Buffer.isBuffer(bytes));
+			t.end();
+		});
+	});
+
+	test(randomBytesName + ' seem random', function (t) {
+		var L = 1000;
+		var buffer = randomBytesFn(L);
+
+		var mean = Array.prototype.reduce.call(buffer, function (a, b) { return a + b; }, 0) / L;
+
+		// test that the random numbers are plausably random.
+		// Math.random() will pass this, but this will catch
+		// terrible mistakes such as this blunder:
+		// https://github.com/browserify/crypto-browserify/commit/3267955e1df7edd1680e52aeede9a89506ed2464#commitcomment-7916835
+
+		// this doesn't check that the bytes are in a random *order*
+		// but it's better than nothing.
+
+		var expected = 256 / 2;
+		var smean = Math.sqrt(mean);
+
+		// console.log doesn't work right on testling, *grumble grumble*
+		console.log(JSON.stringify([expected - smean, mean, expected + smean]));
+		t.ok(mean < expected + smean);
+		t.ok(mean > expected - smean);
+
+		t.end();
+	});
+});
diff --git a/node_modules/crypto-browserify/test/random-fill.js b/node_modules/crypto-browserify/test/random-fill.js
new file mode 100644
index 00000000..03d45853
--- /dev/null
+++ b/node_modules/crypto-browserify/test/random-fill.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var test = require('tape');
+var crypto = require('../');
+var Buffer = require('safe-buffer').Buffer;
+
+test('get error message', function (t) {
+	try {
+		var b = crypto.randomFillSync(Buffer.alloc(10));
+		t.ok(Buffer.isBuffer(b));
+		t.end();
+	} catch (err) {
+		t.ok((/not supported/).test(err.message), '"not supported" is in error message');
+		t.end();
+	}
+});
+
+test('randomfill', function (t) {
+	t.plan(5);
+	t.equal(crypto.randomFillSync(Buffer.alloc(10)).length, 10);
+	t.ok(Buffer.isBuffer(crypto.randomFillSync(Buffer.alloc(10))));
+	crypto.randomFill(Buffer.alloc(10), function (ex, bytes) {
+		t.error(ex);
+		t.equal(bytes.length, 10);
+		t.ok(Buffer.isBuffer(bytes));
+		t.end();
+	});
+});
+
+test('seems random', function (t) {
+	var L = 1000;
+	var buffer = crypto.randomFillSync(Buffer.alloc(L));
+
+	var mean = Array.prototype.reduce.call(buffer, function (a, b) {
+		return a + b;
+	}, 0) / L;
+
+	// test that the random numbers are plausably random.
+	// Math.random() will pass this, but this will catch
+	// terrible mistakes such as this blunder:
+	// https://github.com/browserify/crypto-browserify/commit/3267955e1df7edd1680e52aeede9a89506ed2464#commitcomment-7916835
+
+	// this doesn't check that the bytes are in a random *order*
+	// but it's better than nothing.
+
+	var expected = 256 / 2;
+	var smean = Math.sqrt(mean);
+
+	// console.log doesn't work right on testling, *grumble grumble*
+	console.log(JSON.stringify([expected - smean, mean, expected + smean]));
+	t.ok(mean < expected + smean);
+	t.ok(mean > expected - smean);
+
+	t.end();
+});
diff --git a/node_modules/crypto-browserify/test/sign.js b/node_modules/crypto-browserify/test/sign.js
new file mode 100644
index 00000000..7e05d523
--- /dev/null
+++ b/node_modules/crypto-browserify/test/sign.js
@@ -0,0 +1,61 @@
+'use strict';
+
+var test = require('tape');
+var nodeCrypto = require('../');
+var ourCrypto = require('browserify-sign/browser');
+
+var rsa = {
+	'private': '2d2d2d2d2d424547494e205253412050524956415445204b45592d2d2d2d2d0a4d4949456a77494241414b422f6779376d6a615767506546645659445a5752434139424e69763370506230657332372b464b593068737a4c614f7734374578430a744157704473483438545841667948425977424c67756179666b344c4749757078622b43474d62526f337845703043626659314a62793236543976476a5243310a666f484444554a4738347561526279487161663469367a74346756522b786c4145496a6b614641414b38634f6f58415431435671474c4c6c6a554363684c38500a6a61486a2f7972695a2f53377264776c49334c6e41427877776d4c726d522f7637315774706d4f2f614e47384e2b31706f2b5177616768546b79513539452f5a0a7641754f6b4657486f6b32712f523650594161326a645a397a696d3046714f502b6e6b5161454452624246426d4271547635664647666b32577341664b662f520a47302f5646642b5a654d353235315465547658483639356e6c53476175566c3941674d42414145436766344c725748592f6c35346f7554685a577676627275670a70667a36734a583267396c3779586d576c455773504543566f2f375355627059467074364f5a7939397a53672b494b624771574b6664686f4b725477495674430a4c30595a304e6c6d646e414e53497a30726f785147375a786b4c352b764853772f506d443978345577662b437a38684154436d4e42763171633630646b7975570a34434c71653732716154695657526f4f316961675167684e634c6f6f36765379363545784c614344545068613779753276773468465a705769456a57346478660a7246644c696978353242433836596c416c784d452f724c6738494a5676696c62796f39615764586d784f6155544c527636506b4644312f6756647738563951720a534c4e39466c4b326b6b6a695830647a6f6962765a7733744d6e74337979644178305838372b734d5256616843316270336b56507a3448793045575834514a2f0a504d33317647697549546b324e43643531445874314c746e324f503546614a536d4361456a6830586b5534716f7559796a585774384275364254436c327675610a466730556a6939432b496b504c6d61554d624d494f7761546b386357714c74685378734c6537304a354f6b477267664b554d2f772b4248483150742f506a7a6a0a432b2b6c306b6946614f5644566141563947704c504c43426f4b2f50433952622f72784d4d6f43434e774a2f4e5a756564496e793277334c4d69693737682f540a7a53766572674e47686a5936526e7661386c4c584a36646c726b6350417970733367577778716a344e5230542b474d3062445550564c62374d303758563753580a7637564a476d35324a625247774d3173732b72385854544e656d65476b2b5752784737546774734d715947584c66423851786b2f66352f4d63633030546c38750a7758464e7366784a786d7436416273547233673336774a2f49684f6e69627a3941642b6e63686c426e4e3351655733434b48717a61523138766f717674566d320a6b4a66484b31357072482f7353476d786d6945476772434a545a78744462614e434f372f56426a6e4b756455554968434177734c747571302f7a7562397641640a384731736366497076357161534e7a6d4b6f5838624f77417276725336775037794b726354737557496c484438724a5649374945446e516f5470354738664b310a68774a2f4d4968384d35763072356455594576366f494a5747636c65364148314a6d73503557496166677137325a32323838704863434648774e59384467394a0a3736517377564c6e556850546c6d6d33454f4f50474574616d32694144357230416679746c62346c624e6f51736a32737a65584f4e4458422b366f7565616a680a564e454c55723848635350356c677a525a6a4a57366146497a6a394c44526d516e55414f6a475358564f517445774a2f4d43515a374e2f763464494b654452410a3864385545785a332b674748756d7a697a7447524a30745172795a483250616b50354937562b316c377145556e4a3263336d462b65317634314570394c4376680a627a72504b773964786831386734622b37624d707357506e7372614b6836697078633761614f615a5630447867657a347a635a753050316f6c4f30634e334b4d0a6e784a305064733352386241684e43446453324a5a61527035513d3d0a2d2d2d2d2d454e44205253412050524956415445204b45592d2d2d2d2d0a',
+	'public': '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'
+};
+
+var ec = {
+	'private': '2d2d2d2d2d424547494e2045432050524956415445204b45592d2d2d2d2d0a4d485143415145454944463658763853762f2f77475557442b6337383070704772553051645a5743417a78415150515838722f756f416347425375424241414b0a6f55514451674145495a656f7744796c6c73344b2f7766426a4f313862596f37674778386e595152696a6134652f71454d696b4f484a616937676565557265550a7235586b792f4178377332644774656773504e7350674765354d705176673d3d0a2d2d2d2d2d454e442045432050524956415445204b45592d2d2d2d2d0a',
+	'public': '2d2d2d2d2d424547494e205055424c4943204b45592d2d2d2d2d0a4d465977454159484b6f5a497a6a3043415159464b34454541416f4451674145495a656f7744796c6c73344b2f7766426a4f313862596f37674778386e5951520a696a6134652f71454d696b4f484a616937676565557265557235586b792f4178377332644774656773504e7350674765354d705176673d3d0a2d2d2d2d2d454e44205055424c4943204b45592d2d2d2d2d0a'
+};
+
+rsa['private'] = new Buffer(rsa['private'], 'hex');
+rsa['public'] = new Buffer(rsa['public'], 'hex');
+ec['private'] = new Buffer(ec['private'], 'hex');
+ec['public'] = new Buffer(ec['public'], 'hex');
+
+function testit(keys, message, scheme) {
+	var pub = keys['public'];
+	var priv = keys['private'];
+	test(message.toString(), function (t) {
+		t.test('js sign and verify', function (st) {
+			st.plan(1);
+			var mySign = ourCrypto.createSign(scheme);
+			var mySig = mySign.update(message).sign(priv);
+			var myVer = ourCrypto.createVerify(scheme);
+			st.ok(myVer.update(message).verify(pub, mySig), 'validates');
+		});
+
+		t.test('node sign and verify', function (st) {
+			st.plan(1);
+			var mySign = nodeCrypto.createSign(scheme);
+			var mySig = mySign.update(message).sign(priv);
+			var myVer = nodeCrypto.createVerify(scheme);
+			st.ok(myVer.update(message).verify(pub, mySig), 'validates');
+		});
+
+		t.test('node sign and js verify', function (st) {
+			st.plan(1);
+			var mySign = nodeCrypto.createSign(scheme);
+			var mySig = mySign.update(message).sign(priv);
+			var myVer = ourCrypto.createVerify(scheme);
+			st.ok(myVer.update(message).verify(pub, mySig), 'validates');
+		});
+
+		t.test('js sign and node verify', function (st) {
+			st.plan(1);
+			var mySign = ourCrypto.createSign(scheme);
+			var mySig = mySign.update(message).sign(priv);
+			var myVer = nodeCrypto.createVerify(scheme);
+			st.ok(myVer.update(message).verify(pub, mySig), 'validates');
+		});
+	});
+}
+
+testit(rsa, new Buffer('rsa with sha256'), 'RSA-SHA256');
+testit(ec, new Buffer('ec with sha1'), 'sha256');
diff --git a/node_modules/cyclist/.travis.yml b/node_modules/cyclist/.travis.yml
new file mode 100644
index 00000000..89d75489
--- /dev/null
+++ b/node_modules/cyclist/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.10"
+  - '0.12'
+  - 'iojs'
diff --git a/node_modules/cyclist/LICENSE b/node_modules/cyclist/LICENSE
new file mode 100644
index 00000000..66a4d2a1
--- /dev/null
+++ b/node_modules/cyclist/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/cyclist/README.md b/node_modules/cyclist/README.md
new file mode 100644
index 00000000..88c26679
--- /dev/null
+++ b/node_modules/cyclist/README.md
@@ -0,0 +1,43 @@
+# Cyclist
+
+Cyclist is an efficient [cyclic list](http://en.wikipedia.org/wiki/Circular_buffer) implemention for Javascript.
+It is available through npm
+
+```
+npm install cyclist
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/cyclist.svg?style=flat)](http://travis-ci.org/mafintosh/cyclist)
+
+## What?
+
+Cyclist allows you to create a list of fixed size that is cyclic.
+In a cyclist list the element following the last one is the first one.
+This property can be really useful when for example trying to order data
+packets that can arrive out of order over a network stream.
+
+## Usage
+
+``` js
+var cyclist = require('cyclist')
+var list = cyclist(4)
+
+list.put(42, 'hello 42') // store something and index 42
+list.put(43, 'hello 43') // store something and index 43
+
+console.log(list.get(42)) // prints hello 42
+console.log(list.get(46)) // prints hello 42 again since 46 - 42 == list.size
+```
+
+## API
+
+* `cyclist(size)` creates a new buffer
+* `cyclist#get(index)` get an object stored in the buffer
+* `cyclist#put(index,value)` insert an object into the buffer
+* `cyclist#del(index)` delete an object from an index
+* `cyclist#size` property containing current size of buffer
+
+## License
+
+MIT
+
diff --git a/node_modules/cyclist/index.js b/node_modules/cyclist/index.js
new file mode 100644
index 00000000..7db629fa
--- /dev/null
+++ b/node_modules/cyclist/index.js
@@ -0,0 +1,35 @@
+/* eslint-disable no-var */
+
+function Cyclist (size) {
+  if (!(this instanceof Cyclist)) return new Cyclist(size)
+  size = twoify(size)
+  this.mask = size - 1
+  this.size = size
+  this.values = new Array(size)
+}
+
+Cyclist.prototype.put = function (index, val) {
+  var pos = index & this.mask
+  this.values[pos] = val
+  return pos
+}
+
+Cyclist.prototype.get = function (index) {
+  return this.values[index & this.mask]
+}
+
+Cyclist.prototype.del = function (index) {
+  var pos = index & this.mask
+  var val = this.values[pos]
+  this.values[pos] = undefined
+  return val
+}
+
+module.exports = Cyclist
+
+function twoify (n) {
+  if (n && !(n & (n - 1))) return n
+  var p = 1
+  while (p < n) p <<= 1
+  return p
+}
diff --git a/node_modules/cyclist/package.json b/node_modules/cyclist/package.json
new file mode 100644
index 00000000..a582d47e
--- /dev/null
+++ b/node_modules/cyclist/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "cyclist",
+  "version": "1.0.2",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/cyclist"
+  },
+  "description": "Cyclist is an efficient cyclic list implemention.",
+  "devDependencies": {
+    "brittle": "^3.3.0",
+    "standard": "^17.0.0"
+  },
+  "keywords": [
+    "circular",
+    "buffer",
+    "ring",
+    "cyclic",
+    "data"
+  ],
+  "author": "Mathias Buus Madsen <mathiasbuus@gmail.com>",
+  "bugs": {
+    "url": "https://github.com/mafintosh/cyclist/issues"
+  },
+  "homepage": "https://github.com/mafintosh/cyclist",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && brittle test.js"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/cyclist/test.js b/node_modules/cyclist/test.js
new file mode 100644
index 00000000..c03bcb86
--- /dev/null
+++ b/node_modules/cyclist/test.js
@@ -0,0 +1,37 @@
+const test = require('brittle')
+const cyclist = require('./')
+
+test('basic put and get', function (t) {
+  const list = cyclist(2)
+  list.put(0, 'hello')
+  list.put(1, 'world')
+  t.is(list.get(0), 'hello')
+  t.is(list.get(1), 'world')
+  t.end()
+})
+
+test('overflow put and get', function (t) {
+  const list = cyclist(2)
+  list.put(0, 'hello')
+  list.put(1, 'world')
+  list.put(2, 'verden')
+  t.is(list.get(0), 'verden')
+  t.is(list.get(1), 'world')
+  t.is(list.get(2), 'verden')
+  t.end()
+})
+
+test('del', function (t) {
+  const list = cyclist(2)
+  list.put(0, 'hello')
+  t.is(list.get(0), 'hello')
+  list.del(0)
+  t.ok(!list.get(0))
+  t.end()
+})
+
+test('multiple of two', function (t) {
+  const list = cyclist(3)
+  t.is(list.size, 4)
+  t.end()
+})
diff --git a/node_modules/debug/.coveralls.yml b/node_modules/debug/.coveralls.yml
new file mode 100644
index 00000000..20a70685
--- /dev/null
+++ b/node_modules/debug/.coveralls.yml
@@ -0,0 +1 @@
+repo_token: SIAeZjKYlHK74rbcFvNHMUzjRiMpflxve
diff --git a/node_modules/debug/.eslintrc b/node_modules/debug/.eslintrc
new file mode 100644
index 00000000..8a37ae2c
--- /dev/null
+++ b/node_modules/debug/.eslintrc
@@ -0,0 +1,11 @@
+{
+  "env": {
+    "browser": true,
+    "node": true
+  },
+  "rules": {
+    "no-console": 0,
+    "no-empty": [1, { "allowEmptyCatch": true }]
+  },
+  "extends": "eslint:recommended"
+}
diff --git a/node_modules/debug/.npmignore b/node_modules/debug/.npmignore
new file mode 100644
index 00000000..5f60eecc
--- /dev/null
+++ b/node_modules/debug/.npmignore
@@ -0,0 +1,9 @@
+support
+test
+examples
+example
+*.sock
+dist
+yarn.lock
+coverage
+bower.json
diff --git a/node_modules/debug/.travis.yml b/node_modules/debug/.travis.yml
new file mode 100644
index 00000000..6c6090c3
--- /dev/null
+++ b/node_modules/debug/.travis.yml
@@ -0,0 +1,14 @@
+
+language: node_js
+node_js:
+  - "6"
+  - "5"
+  - "4"
+
+install:
+  - make node_modules
+
+script:
+  - make lint
+  - make test
+  - make coveralls
diff --git a/node_modules/debug/CHANGELOG.md b/node_modules/debug/CHANGELOG.md
new file mode 100644
index 00000000..eadaa189
--- /dev/null
+++ b/node_modules/debug/CHANGELOG.md
@@ -0,0 +1,362 @@
+
+2.6.9 / 2017-09-22
+==================
+
+  * remove ReDoS regexp in %o formatter (#504)
+
+2.6.8 / 2017-05-18
+==================
+
+  * Fix: Check for undefined on browser globals (#462, @marbemac)
+
+2.6.7 / 2017-05-16
+==================
+
+  * Fix: Update ms to 2.0.0 to fix regular expression denial of service vulnerability (#458, @hubdotcom)
+  * Fix: Inline extend function in node implementation (#452, @dougwilson)
+  * Docs: Fix typo (#455, @msasad)
+
+2.6.5 / 2017-04-27
+==================
+  
+  * Fix: null reference check on window.documentElement.style.WebkitAppearance (#447, @thebigredgeek)
+  * Misc: clean up browser reference checks (#447, @thebigredgeek)
+  * Misc: add npm-debug.log to .gitignore (@thebigredgeek)
+
+
+2.6.4 / 2017-04-20
+==================
+
+  * Fix: bug that would occure if process.env.DEBUG is a non-string value. (#444, @LucianBuzzo)
+  * Chore: ignore bower.json in npm installations. (#437, @joaovieira)
+  * Misc: update "ms" to v0.7.3 (@tootallnate)
+
+2.6.3 / 2017-03-13
+==================
+
+  * Fix: Electron reference to `process.env.DEBUG` (#431, @paulcbetts)
+  * Docs: Changelog fix (@thebigredgeek)
+
+2.6.2 / 2017-03-10
+==================
+
+  * Fix: DEBUG_MAX_ARRAY_LENGTH (#420, @slavaGanzin)
+  * Docs: Add backers and sponsors from Open Collective (#422, @piamancini)
+  * Docs: Add Slackin invite badge (@tootallnate)
+
+2.6.1 / 2017-02-10
+==================
+
+  * Fix: Module's `export default` syntax fix for IE8 `Expected identifier` error
+  * Fix: Whitelist DEBUG_FD for values 1 and 2 only (#415, @pi0)
+  * Fix: IE8 "Expected identifier" error (#414, @vgoma)
+  * Fix: Namespaces would not disable once enabled (#409, @musikov)
+
+2.6.0 / 2016-12-28
+==================
+
+  * Fix: added better null pointer checks for browser useColors (@thebigredgeek)
+  * Improvement: removed explicit `window.debug` export (#404, @tootallnate)
+  * Improvement: deprecated `DEBUG_FD` environment variable (#405, @tootallnate)
+
+2.5.2 / 2016-12-25
+==================
+
+  * Fix: reference error on window within webworkers (#393, @KlausTrainer)
+  * Docs: fixed README typo (#391, @lurch)
+  * Docs: added notice about v3 api discussion (@thebigredgeek)
+
+2.5.1 / 2016-12-20
+==================
+
+  * Fix: babel-core compatibility
+
+2.5.0 / 2016-12-20
+==================
+
+  * Fix: wrong reference in bower file (@thebigredgeek)
+  * Fix: webworker compatibility (@thebigredgeek)
+  * Fix: output formatting issue (#388, @kribblo)
+  * Fix: babel-loader compatibility (#383, @escwald)
+  * Misc: removed built asset from repo and publications (@thebigredgeek)
+  * Misc: moved source files to /src (#378, @yamikuronue)
+  * Test: added karma integration and replaced babel with browserify for browser tests (#378, @yamikuronue)
+  * Test: coveralls integration (#378, @yamikuronue)
+  * Docs: simplified language in the opening paragraph (#373, @yamikuronue)
+
+2.4.5 / 2016-12-17
+==================
+
+  * Fix: `navigator` undefined in Rhino (#376, @jochenberger)
+  * Fix: custom log function (#379, @hsiliev)
+  * Improvement: bit of cleanup + linting fixes (@thebigredgeek)
+  * Improvement: rm non-maintainted `dist/` dir (#375, @freewil)
+  * Docs: simplified language in the opening paragraph. (#373, @yamikuronue)
+
+2.4.4 / 2016-12-14
+==================
+
+  * Fix: work around debug being loaded in preload scripts for electron (#368, @paulcbetts)
+
+2.4.3 / 2016-12-14
+==================
+
+  * Fix: navigation.userAgent error for react native (#364, @escwald)
+
+2.4.2 / 2016-12-14
+==================
+
+  * Fix: browser colors (#367, @tootallnate)
+  * Misc: travis ci integration (@thebigredgeek)
+  * Misc: added linting and testing boilerplate with sanity check (@thebigredgeek)
+
+2.4.1 / 2016-12-13
+==================
+
+  * Fix: typo that broke the package (#356)
+
+2.4.0 / 2016-12-13
+==================
+
+  * Fix: bower.json references unbuilt src entry point (#342, @justmatt)
+  * Fix: revert "handle regex special characters" (@tootallnate)
+  * Feature: configurable util.inspect()`options for NodeJS (#327, @tootallnate)
+  * Feature: %O`(big O) pretty-prints objects (#322, @tootallnate)
+  * Improvement: allow colors in workers (#335, @botverse)
+  * Improvement: use same color for same namespace. (#338, @lchenay)
+
+2.3.3 / 2016-11-09
+==================
+
+  * Fix: Catch `JSON.stringify()` errors (#195, Jovan Alleyne)
+  * Fix: Returning `localStorage` saved values (#331, Levi Thomason)
+  * Improvement: Don't create an empty object when no `process` (Nathan Rajlich)
+
+2.3.2 / 2016-11-09
+==================
+
+  * Fix: be super-safe in index.js as well (@TooTallNate)
+  * Fix: should check whether process exists (Tom Newby)
+
+2.3.1 / 2016-11-09
+==================
+
+  * Fix: Added electron compatibility (#324, @paulcbetts)
+  * Improvement: Added performance optimizations (@tootallnate)
+  * Readme: Corrected PowerShell environment variable example (#252, @gimre)
+  * Misc: Removed yarn lock file from source control (#321, @fengmk2)
+
+2.3.0 / 2016-11-07
+==================
+
+  * Fix: Consistent placement of ms diff at end of output (#215, @gorangajic)
+  * Fix: Escaping of regex special characters in namespace strings (#250, @zacronos)
+  * Fix: Fixed bug causing crash on react-native (#282, @vkarpov15)
+  * Feature: Enabled ES6+ compatible import via default export (#212 @bucaran)
+  * Feature: Added %O formatter to reflect Chrome's console.log capability (#279, @oncletom)
+  * Package: Update "ms" to 0.7.2 (#315, @DevSide)
+  * Package: removed superfluous version property from bower.json (#207 @kkirsche)
+  * Readme: fix USE_COLORS to DEBUG_COLORS
+  * Readme: Doc fixes for format string sugar (#269, @mlucool)
+  * Readme: Updated docs for DEBUG_FD and DEBUG_COLORS environment variables (#232, @mattlyons0)
+  * Readme: doc fixes for PowerShell (#271 #243, @exoticknight @unreadable)
+  * Readme: better docs for browser support (#224, @matthewmueller)
+  * Tooling: Added yarn integration for development (#317, @thebigredgeek)
+  * Misc: Renamed History.md to CHANGELOG.md (@thebigredgeek)
+  * Misc: Added license file (#226 #274, @CantemoInternal @sdaitzman)
+  * Misc: Updated contributors (@thebigredgeek)
+
+2.2.0 / 2015-05-09
+==================
+
+  * package: update "ms" to v0.7.1 (#202, @dougwilson)
+  * README: add logging to file example (#193, @DanielOchoa)
+  * README: fixed a typo (#191, @amir-s)
+  * browser: expose `storage` (#190, @stephenmathieson)
+  * Makefile: add a `distclean` target (#189, @stephenmathieson)
+
+2.1.3 / 2015-03-13
+==================
+
+  * Updated stdout/stderr example (#186)
+  * Updated example/stdout.js to match debug current behaviour
+  * Renamed example/stderr.js to stdout.js
+  * Update Readme.md (#184)
+  * replace high intensity foreground color for bold (#182, #183)
+
+2.1.2 / 2015-03-01
+==================
+
+  * dist: recompile
+  * update "ms" to v0.7.0
+  * package: update "browserify" to v9.0.3
+  * component: fix "ms.js" repo location
+  * changed bower package name
+  * updated documentation about using debug in a browser
+  * fix: security error on safari (#167, #168, @yields)
+
+2.1.1 / 2014-12-29
+==================
+
+  * browser: use `typeof` to check for `console` existence
+  * browser: check for `console.log` truthiness (fix IE 8/9)
+  * browser: add support for Chrome apps
+  * Readme: added Windows usage remarks
+  * Add `bower.json` to properly support bower install
+
+2.1.0 / 2014-10-15
+==================
+
+  * node: implement `DEBUG_FD` env variable support
+  * package: update "browserify" to v6.1.0
+  * package: add "license" field to package.json (#135, @panuhorsmalahti)
+
+2.0.0 / 2014-09-01
+==================
+
+  * package: update "browserify" to v5.11.0
+  * node: use stderr rather than stdout for logging (#29, @stephenmathieson)
+
+1.0.4 / 2014-07-15
+==================
+
+  * dist: recompile
+  * example: remove `console.info()` log usage
+  * example: add "Content-Type" UTF-8 header to browser example
+  * browser: place %c marker after the space character
+  * browser: reset the "content" color via `color: inherit`
+  * browser: add colors support for Firefox >= v31
+  * debug: prefer an instance `log()` function over the global one (#119)
+  * Readme: update documentation about styled console logs for FF v31 (#116, @wryk)
+
+1.0.3 / 2014-07-09
+==================
+
+  * Add support for multiple wildcards in namespaces (#122, @seegno)
+  * browser: fix lint
+
+1.0.2 / 2014-06-10
+==================
+
+  * browser: update color palette (#113, @gscottolson)
+  * common: make console logging function configurable (#108, @timoxley)
+  * node: fix %o colors on old node <= 0.8.x
+  * Makefile: find node path using shell/which (#109, @timoxley)
+
+1.0.1 / 2014-06-06
+==================
+
+  * browser: use `removeItem()` to clear localStorage
+  * browser, node: don't set DEBUG if namespaces is undefined (#107, @leedm777)
+  * package: add "contributors" section
+  * node: fix comment typo
+  * README: list authors
+
+1.0.0 / 2014-06-04
+==================
+
+  * make ms diff be global, not be scope
+  * debug: ignore empty strings in enable()
+  * node: make DEBUG_COLORS able to disable coloring
+  * *: export the `colors` array
+  * npmignore: don't publish the `dist` dir
+  * Makefile: refactor to use browserify
+  * package: add "browserify" as a dev dependency
+  * Readme: add Web Inspector Colors section
+  * node: reset terminal color for the debug content
+  * node: map "%o" to `util.inspect()`
+  * browser: map "%j" to `JSON.stringify()`
+  * debug: add custom "formatters"
+  * debug: use "ms" module for humanizing the diff
+  * Readme: add "bash" syntax highlighting
+  * browser: add Firebug color support
+  * browser: add colors for WebKit browsers
+  * node: apply log to `console`
+  * rewrite: abstract common logic for Node & browsers
+  * add .jshintrc file
+
+0.8.1 / 2014-04-14
+==================
+
+  * package: re-add the "component" section
+
+0.8.0 / 2014-03-30
+==================
+
+  * add `enable()` method for nodejs. Closes #27
+  * change from stderr to stdout
+  * remove unnecessary index.js file
+
+0.7.4 / 2013-11-13
+==================
+
+  * remove "browserify" key from package.json (fixes something in browserify)
+
+0.7.3 / 2013-10-30
+==================
+
+  * fix: catch localStorage security error when cookies are blocked (Chrome)
+  * add debug(err) support. Closes #46
+  * add .browser prop to package.json. Closes #42
+
+0.7.2 / 2013-02-06
+==================
+
+  * fix package.json
+  * fix: Mobile Safari (private mode) is broken with debug
+  * fix: Use unicode to send escape character to shell instead of octal to work with strict mode javascript
+
+0.7.1 / 2013-02-05
+==================
+
+  * add repository URL to package.json
+  * add DEBUG_COLORED to force colored output
+  * add browserify support
+  * fix component. Closes #24
+
+0.7.0 / 2012-05-04
+==================
+
+  * Added .component to package.json
+  * Added debug.component.js build
+
+0.6.0 / 2012-03-16
+==================
+
+  * Added support for "-" prefix in DEBUG [Vinay Pulim]
+  * Added `.enabled` flag to the node version [TooTallNate]
+
+0.5.0 / 2012-02-02
+==================
+
+  * Added: humanize diffs. Closes #8
+  * Added `debug.disable()` to the CS variant
+  * Removed padding. Closes #10
+  * Fixed: persist client-side variant again. Closes #9
+
+0.4.0 / 2012-02-01
+==================
+
+  * Added browser variant support for older browsers [TooTallNate]
+  * Added `debug.enable('project:*')` to browser variant [TooTallNate]
+  * Added padding to diff (moved it to the right)
+
+0.3.0 / 2012-01-26
+==================
+
+  * Added millisecond diff when isatty, otherwise UTC string
+
+0.2.0 / 2012-01-22
+==================
+
+  * Added wildcard support
+
+0.1.0 / 2011-12-02
+==================
+
+  * Added: remove colors unless stderr isatty [TooTallNate]
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/debug/LICENSE b/node_modules/debug/LICENSE
new file mode 100644
index 00000000..658c933d
--- /dev/null
+++ b/node_modules/debug/LICENSE
@@ -0,0 +1,19 @@
+(The MIT License)
+
+Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the 'Software'), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/debug/Makefile b/node_modules/debug/Makefile
new file mode 100644
index 00000000..584da8bf
--- /dev/null
+++ b/node_modules/debug/Makefile
@@ -0,0 +1,50 @@
+# get Makefile directory name: http://stackoverflow.com/a/5982798/376773
+THIS_MAKEFILE_PATH:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+THIS_DIR:=$(shell cd $(dir $(THIS_MAKEFILE_PATH));pwd)
+
+# BIN directory
+BIN := $(THIS_DIR)/node_modules/.bin
+
+# Path
+PATH := node_modules/.bin:$(PATH)
+SHELL := /bin/bash
+
+# applications
+NODE ?= $(shell which node)
+YARN ?= $(shell which yarn)
+PKG ?= $(if $(YARN),$(YARN),$(NODE) $(shell which npm))
+BROWSERIFY ?= $(NODE) $(BIN)/browserify
+
+.FORCE:
+
+install: node_modules
+
+node_modules: package.json
+	@NODE_ENV= $(PKG) install
+	@touch node_modules
+
+lint: .FORCE
+	eslint browser.js debug.js index.js node.js
+
+test-node: .FORCE
+	istanbul cover node_modules/mocha/bin/_mocha -- test/**.js
+
+test-browser: .FORCE
+	mkdir -p dist
+
+	@$(BROWSERIFY) \
+		--standalone debug \
+		. > dist/debug.js
+
+	karma start --single-run
+	rimraf dist
+
+test: .FORCE
+	concurrently \
+		"make test-node" \
+		"make test-browser"
+
+coveralls:
+	cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+
+.PHONY: all install clean distclean
diff --git a/node_modules/debug/README.md b/node_modules/debug/README.md
new file mode 100644
index 00000000..f67be6b3
--- /dev/null
+++ b/node_modules/debug/README.md
@@ -0,0 +1,312 @@
+# debug
+[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug)  [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master)  [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers) 
+[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
+
+
+
+A tiny node.js debugging utility modelled after node core's debugging technique.
+
+**Discussion around the V3 API is under way [here](https://github.com/visionmedia/debug/issues/370)**
+
+## Installation
+
+```bash
+$ npm install debug
+```
+
+## Usage
+
+`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
+
+Example _app.js_:
+
+```js
+var debug = require('debug')('http')
+  , http = require('http')
+  , name = 'My App';
+
+// fake app
+
+debug('booting %s', name);
+
+http.createServer(function(req, res){
+  debug(req.method + ' ' + req.url);
+  res.end('hello\n');
+}).listen(3000, function(){
+  debug('listening');
+});
+
+// fake worker of some kind
+
+require('./worker');
+```
+
+Example _worker.js_:
+
+```js
+var debug = require('debug')('worker');
+
+setInterval(function(){
+  debug('doing some work');
+}, 1000);
+```
+
+ The __DEBUG__ environment variable is then used to enable these based on space or comma-delimited names. Here are some examples:
+
+  ![debug http and worker](http://f.cl.ly/items/18471z1H402O24072r1J/Screenshot.png)
+
+  ![debug worker](http://f.cl.ly/items/1X413v1a3M0d3C2c1E0i/Screenshot.png)
+
+#### Windows note
+
+ On Windows the environment variable is set using the `set` command.
+
+ ```cmd
+ set DEBUG=*,-not_this
+ ```
+
+ Note that PowerShell uses different syntax to set environment variables.
+
+ ```cmd
+ $env:DEBUG = "*,-not_this"
+  ```
+
+Then, run the program to be debugged as usual.
+
+## Millisecond diff
+
+  When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
+
+  ![](http://f.cl.ly/items/2i3h1d3t121M2Z1A3Q0N/Screenshot.png)
+
+  When stdout is not a TTY, `Date#toUTCString()` is used, making it more useful for logging the debug information as shown below:
+
+  ![](http://f.cl.ly/items/112H3i0e0o0P0a2Q2r11/Screenshot.png)
+
+## Conventions
+
+  If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".
+
+## Wildcards
+
+  The `*` character may be used as a wildcard. Suppose for example your library has debuggers named "connect:bodyParser", "connect:compress", "connect:session", instead of listing all three with `DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do `DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
+
+  You can also exclude specific debuggers by prefixing them with a "-" character.  For example, `DEBUG=*,-connect:*` would include all debuggers except those starting with "connect:".
+
+## Environment Variables
+
+  When running through Node.js, you can set a few environment variables that will
+  change the behavior of the debug logging:
+
+| Name      | Purpose                                         |
+|-----------|-------------------------------------------------|
+| `DEBUG`   | Enables/disables specific debugging namespaces. |
+| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
+| `DEBUG_DEPTH` | Object inspection depth. |
+| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
+
+
+  __Note:__ The environment variables beginning with `DEBUG_` end up being
+  converted into an Options object that gets used with `%o`/`%O` formatters.
+  See the Node.js documentation for
+  [`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
+  for the complete list.
+
+## Formatters
+
+
+  Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. Below are the officially supported formatters:
+
+| Formatter | Representation |
+|-----------|----------------|
+| `%O`      | Pretty-print an Object on multiple lines. |
+| `%o`      | Pretty-print an Object all on a single line. |
+| `%s`      | String. |
+| `%d`      | Number (both integer and float). |
+| `%j`      | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
+| `%%`      | Single percent sign ('%'). This does not consume an argument. |
+
+### Custom formatters
+
+  You can add custom formatters by extending the `debug.formatters` object. For example, if you wanted to add support for rendering a Buffer as hex with `%h`, you could do something like:
+
+```js
+const createDebug = require('debug')
+createDebug.formatters.h = (v) => {
+  return v.toString('hex')
+}
+
+// …elsewhere
+const debug = createDebug('foo')
+debug('this is hex: %h', new Buffer('hello world'))
+//   foo this is hex: 68656c6c6f20776f726c6421 +0ms
+```
+
+## Browser support
+  You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
+  or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
+  if you don't want to build it yourself.
+
+  Debug's enable state is currently persisted by `localStorage`.
+  Consider the situation shown below where you have `worker:a` and `worker:b`,
+  and wish to debug both. You can enable this using `localStorage.debug`:
+
+```js
+localStorage.debug = 'worker:*'
+```
+
+And then refresh the page.
+
+```js
+a = debug('worker:a');
+b = debug('worker:b');
+
+setInterval(function(){
+  a('doing some work');
+}, 1000);
+
+setInterval(function(){
+  b('doing some work');
+}, 1200);
+```
+
+#### Web Inspector Colors
+
+  Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
+  option. These are WebKit web inspectors, Firefox ([since version
+  31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
+  and the Firebug plugin for Firefox (any version).
+
+  Colored output looks something like:
+
+  ![](https://cloud.githubusercontent.com/assets/71256/3139768/b98c5fd8-e8ef-11e3-862a-f7253b6f47c6.png)
+
+
+## Output streams
+
+  By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
+
+Example _stdout.js_:
+
+```js
+var debug = require('debug');
+var error = debug('app:error');
+
+// by default stderr is used
+error('goes to stderr!');
+
+var log = debug('app:log');
+// set this namespace to log via console.log
+log.log = console.log.bind(console); // don't forget to bind to console!
+log('goes to stdout');
+error('still goes to stderr!');
+
+// set all output to go via console.info
+// overrides all per-namespace log settings
+debug.log = console.info.bind(console);
+error('now goes to stdout via console.info');
+log('still goes to stdout, but via console.info now');
+```
+
+
+## Authors
+
+ - TJ Holowaychuk
+ - Nathan Rajlich
+ - Andrew Rhyne
+ 
+## Backers
+
+Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
+
+<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
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+
+
+## Sponsors
+
+Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
+
+<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/1/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/1/avatar.svg"></a>
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+<a href="https://opencollective.com/debug/sponsor/6/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/6/avatar.svg"></a>
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+<a href="https://opencollective.com/debug/sponsor/11/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/11/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/12/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/12/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/13/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/13/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/14/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/14/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/15/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/15/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/16/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/16/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/17/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/17/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/18/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/18/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/19/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/19/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/20/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/20/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/21/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/21/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/22/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/22/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/23/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/23/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/24/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/24/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/25/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/25/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/26/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/26/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/27/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/27/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/28/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/28/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/29/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/29/avatar.svg"></a>
+
+## License
+
+(The MIT License)
+
+Copyright (c) 2014-2016 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/debug/component.json b/node_modules/debug/component.json
new file mode 100644
index 00000000..9de26410
--- /dev/null
+++ b/node_modules/debug/component.json
@@ -0,0 +1,19 @@
+{
+  "name": "debug",
+  "repo": "visionmedia/debug",
+  "description": "small debugging utility",
+  "version": "2.6.9",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "main": "src/browser.js",
+  "scripts": [
+    "src/browser.js",
+    "src/debug.js"
+  ],
+  "dependencies": {
+    "rauchg/ms.js": "0.7.1"
+  }
+}
diff --git a/node_modules/debug/karma.conf.js b/node_modules/debug/karma.conf.js
new file mode 100644
index 00000000..103a82d1
--- /dev/null
+++ b/node_modules/debug/karma.conf.js
@@ -0,0 +1,70 @@
+// Karma configuration
+// Generated on Fri Dec 16 2016 13:09:51 GMT+0000 (UTC)
+
+module.exports = function(config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['mocha', 'chai', 'sinon'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      'dist/debug.js',
+      'test/*spec.js'
+    ],
+
+
+    // list of files to exclude
+    exclude: [
+      'src/node.js'
+    ],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+    },
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['PhantomJS'],
+
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: false,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity
+  })
+}
diff --git a/node_modules/debug/node.js b/node_modules/debug/node.js
new file mode 100644
index 00000000..7fc36fe6
--- /dev/null
+++ b/node_modules/debug/node.js
@@ -0,0 +1 @@
+module.exports = require('./src/node');
diff --git a/node_modules/debug/package.json b/node_modules/debug/package.json
new file mode 100644
index 00000000..dc787ba7
--- /dev/null
+++ b/node_modules/debug/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "debug",
+  "version": "2.6.9",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/visionmedia/debug.git"
+  },
+  "description": "small debugging utility",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
+    "Andrew Rhyne <rhyneandrew@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "ms": "2.0.0"
+  },
+  "devDependencies": {
+    "browserify": "9.0.3",
+    "chai": "^3.5.0",
+    "concurrently": "^3.1.0",
+    "coveralls": "^2.11.15",
+    "eslint": "^3.12.1",
+    "istanbul": "^0.4.5",
+    "karma": "^1.3.0",
+    "karma-chai": "^0.1.0",
+    "karma-mocha": "^1.3.0",
+    "karma-phantomjs-launcher": "^1.0.2",
+    "karma-sinon": "^1.0.5",
+    "mocha": "^3.2.0",
+    "mocha-lcov-reporter": "^1.2.0",
+    "rimraf": "^2.5.4",
+    "sinon": "^1.17.6",
+    "sinon-chai": "^2.8.0"
+  },
+  "main": "./src/index.js",
+  "browser": "./src/browser.js",
+  "component": {
+    "scripts": {
+      "debug/index.js": "browser.js",
+      "debug/debug.js": "debug.js"
+    }
+  }
+}
diff --git a/node_modules/debug/src/browser.js b/node_modules/debug/src/browser.js
new file mode 100644
index 00000000..71069249
--- /dev/null
+++ b/node_modules/debug/src/browser.js
@@ -0,0 +1,185 @@
+/**
+ * This is the web browser implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = 'undefined' != typeof chrome
+               && 'undefined' != typeof chrome.storage
+                  ? chrome.storage.local
+                  : localstorage();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+  'lightseagreen',
+  'forestgreen',
+  'goldenrod',
+  'dodgerblue',
+  'darkorchid',
+  'crimson'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
+    return true;
+  }
+
+  // is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+  return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+    // is firebug? http://stackoverflow.com/a/398120/376773
+    (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+    // is firefox >= v31?
+    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+    // double check webkit in userAgent just in case we are in a worker
+    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+}
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+exports.formatters.j = function(v) {
+  try {
+    return JSON.stringify(v);
+  } catch (err) {
+    return '[UnexpectedJSONParseError]: ' + err.message;
+  }
+};
+
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+  var useColors = this.useColors;
+
+  args[0] = (useColors ? '%c' : '')
+    + this.namespace
+    + (useColors ? ' %c' : ' ')
+    + args[0]
+    + (useColors ? '%c ' : ' ')
+    + '+' + exports.humanize(this.diff);
+
+  if (!useColors) return;
+
+  var c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit')
+
+  // the final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, function(match) {
+    if ('%%' === match) return;
+    index++;
+    if ('%c' === match) {
+      // we only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+
+  args.splice(lastC, 0, c);
+}
+
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+function log() {
+  // this hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return 'object' === typeof console
+    && console.log
+    && Function.prototype.apply.call(console.log, console, arguments);
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  try {
+    if (null == namespaces) {
+      exports.storage.removeItem('debug');
+    } else {
+      exports.storage.debug = namespaces;
+    }
+  } catch(e) {}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  var r;
+  try {
+    r = exports.storage.debug;
+  } catch(e) {}
+
+  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage() {
+  try {
+    return window.localStorage;
+  } catch (e) {}
+}
diff --git a/node_modules/debug/src/debug.js b/node_modules/debug/src/debug.js
new file mode 100644
index 00000000..6a5e3fc9
--- /dev/null
+++ b/node_modules/debug/src/debug.js
@@ -0,0 +1,202 @@
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+exports.humanize = require('ms');
+
+/**
+ * The currently active debug mode names, and names to skip.
+ */
+
+exports.names = [];
+exports.skips = [];
+
+/**
+ * Map of special "%n" handling functions, for the debug "format" argument.
+ *
+ * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+ */
+
+exports.formatters = {};
+
+/**
+ * Previous log timestamp.
+ */
+
+var prevTime;
+
+/**
+ * Select a color.
+ * @param {String} namespace
+ * @return {Number}
+ * @api private
+ */
+
+function selectColor(namespace) {
+  var hash = 0, i;
+
+  for (i in namespace) {
+    hash  = ((hash << 5) - hash) + namespace.charCodeAt(i);
+    hash |= 0; // Convert to 32bit integer
+  }
+
+  return exports.colors[Math.abs(hash) % exports.colors.length];
+}
+
+/**
+ * Create a debugger with the given `namespace`.
+ *
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
+ */
+
+function createDebug(namespace) {
+
+  function debug() {
+    // disabled?
+    if (!debug.enabled) return;
+
+    var self = debug;
+
+    // set `diff` timestamp
+    var curr = +new Date();
+    var ms = curr - (prevTime || curr);
+    self.diff = ms;
+    self.prev = prevTime;
+    self.curr = curr;
+    prevTime = curr;
+
+    // turn the `arguments` into a proper Array
+    var args = new Array(arguments.length);
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+
+    args[0] = exports.coerce(args[0]);
+
+    if ('string' !== typeof args[0]) {
+      // anything else let's inspect with %O
+      args.unshift('%O');
+    }
+
+    // apply any `formatters` transformations
+    var index = 0;
+    args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
+      // if we encounter an escaped % then don't increase the array index
+      if (match === '%%') return match;
+      index++;
+      var formatter = exports.formatters[format];
+      if ('function' === typeof formatter) {
+        var val = args[index];
+        match = formatter.call(self, val);
+
+        // now we need to remove `args[index]` since it's inlined in the `format`
+        args.splice(index, 1);
+        index--;
+      }
+      return match;
+    });
+
+    // apply env-specific formatting (colors, etc.)
+    exports.formatArgs.call(self, args);
+
+    var logFn = debug.log || exports.log || console.log.bind(console);
+    logFn.apply(self, args);
+  }
+
+  debug.namespace = namespace;
+  debug.enabled = exports.enabled(namespace);
+  debug.useColors = exports.useColors();
+  debug.color = selectColor(namespace);
+
+  // env-specific initialization logic for debug instances
+  if ('function' === typeof exports.init) {
+    exports.init(debug);
+  }
+
+  return debug;
+}
+
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
+
+function enable(namespaces) {
+  exports.save(namespaces);
+
+  exports.names = [];
+  exports.skips = [];
+
+  var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+  var len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    if (!split[i]) continue; // ignore empty strings
+    namespaces = split[i].replace(/\*/g, '.*?');
+    if (namespaces[0] === '-') {
+      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+    } else {
+      exports.names.push(new RegExp('^' + namespaces + '$'));
+    }
+  }
+}
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+function disable() {
+  exports.enable('');
+}
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+function enabled(name) {
+  var i, len;
+  for (i = 0, len = exports.skips.length; i < len; i++) {
+    if (exports.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (i = 0, len = exports.names.length; i < len; i++) {
+    if (exports.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/**
+ * Coerce `val`.
+ *
+ * @param {Mixed} val
+ * @return {Mixed}
+ * @api private
+ */
+
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
diff --git a/node_modules/debug/src/index.js b/node_modules/debug/src/index.js
new file mode 100644
index 00000000..e12cf4d5
--- /dev/null
+++ b/node_modules/debug/src/index.js
@@ -0,0 +1,10 @@
+/**
+ * Detect Electron renderer process, which is node, but we should
+ * treat as a browser.
+ */
+
+if (typeof process !== 'undefined' && process.type === 'renderer') {
+  module.exports = require('./browser.js');
+} else {
+  module.exports = require('./node.js');
+}
diff --git a/node_modules/debug/src/inspector-log.js b/node_modules/debug/src/inspector-log.js
new file mode 100644
index 00000000..60ea6c04
--- /dev/null
+++ b/node_modules/debug/src/inspector-log.js
@@ -0,0 +1,15 @@
+module.exports = inspectorLog;
+
+// black hole
+const nullStream = new (require('stream').Writable)();
+nullStream._write = () => {};
+
+/**
+ * Outputs a `console.log()` to the Node.js Inspector console *only*.
+ */
+function inspectorLog() {
+  const stdout = console._stdout;
+  console._stdout = nullStream;
+  console.log.apply(console, arguments);
+  console._stdout = stdout;
+}
diff --git a/node_modules/debug/src/node.js b/node_modules/debug/src/node.js
new file mode 100644
index 00000000..b15109c9
--- /dev/null
+++ b/node_modules/debug/src/node.js
@@ -0,0 +1,248 @@
+/**
+ * Module dependencies.
+ */
+
+var tty = require('tty');
+var util = require('util');
+
+/**
+ * This is the Node.js implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+exports.inspectOpts = Object.keys(process.env).filter(function (key) {
+  return /^debug_/i.test(key);
+}).reduce(function (obj, key) {
+  // camel-case
+  var prop = key
+    .substring(6)
+    .toLowerCase()
+    .replace(/_([a-z])/g, function (_, k) { return k.toUpperCase() });
+
+  // coerce string value into JS value
+  var val = process.env[key];
+  if (/^(yes|on|true|enabled)$/i.test(val)) val = true;
+  else if (/^(no|off|false|disabled)$/i.test(val)) val = false;
+  else if (val === 'null') val = null;
+  else val = Number(val);
+
+  obj[prop] = val;
+  return obj;
+}, {});
+
+/**
+ * The file descriptor to write the `debug()` calls to.
+ * Set the `DEBUG_FD` env variable to override with another value. i.e.:
+ *
+ *   $ DEBUG_FD=3 node script.js 3>debug.log
+ */
+
+var fd = parseInt(process.env.DEBUG_FD, 10) || 2;
+
+if (1 !== fd && 2 !== fd) {
+  util.deprecate(function(){}, 'except for stderr(2) and stdout(1), any other usage of DEBUG_FD is deprecated. Override debug.log if you want to use a different log function (https://git.io/debug_fd)')()
+}
+
+var stream = 1 === fd ? process.stdout :
+             2 === fd ? process.stderr :
+             createWritableStdioStream(fd);
+
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+  return 'colors' in exports.inspectOpts
+    ? Boolean(exports.inspectOpts.colors)
+    : tty.isatty(fd);
+}
+
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+exports.formatters.o = function(v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts)
+    .split('\n').map(function(str) {
+      return str.trim()
+    }).join(' ');
+};
+
+/**
+ * Map %o to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+exports.formatters.O = function(v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts);
+};
+
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+  var name = this.namespace;
+  var useColors = this.useColors;
+
+  if (useColors) {
+    var c = this.color;
+    var prefix = '  \u001b[3' + c + ';1m' + name + ' ' + '\u001b[0m';
+
+    args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+    args.push('\u001b[3' + c + 'm+' + exports.humanize(this.diff) + '\u001b[0m');
+  } else {
+    args[0] = new Date().toUTCString()
+      + ' ' + name + ' ' + args[0];
+  }
+}
+
+/**
+ * Invokes `util.format()` with the specified arguments and writes to `stream`.
+ */
+
+function log() {
+  return stream.write(util.format.apply(util, arguments) + '\n');
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  if (null == namespaces) {
+    // If you set a process.env field to null or undefined, it gets cast to the
+    // string 'null' or 'undefined'. Just delete instead.
+    delete process.env.DEBUG;
+  } else {
+    process.env.DEBUG = namespaces;
+  }
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  return process.env.DEBUG;
+}
+
+/**
+ * Copied from `node/src/node.js`.
+ *
+ * XXX: It's lame that node doesn't expose this API out-of-the-box. It also
+ * relies on the undocumented `tty_wrap.guessHandleType()` which is also lame.
+ */
+
+function createWritableStdioStream (fd) {
+  var stream;
+  var tty_wrap = process.binding('tty_wrap');
+
+  // Note stream._type is used for test-module-load-list.js
+
+  switch (tty_wrap.guessHandleType(fd)) {
+    case 'TTY':
+      stream = new tty.WriteStream(fd);
+      stream._type = 'tty';
+
+      // Hack to have stream not keep the event loop alive.
+      // See https://github.com/joyent/node/issues/1726
+      if (stream._handle && stream._handle.unref) {
+        stream._handle.unref();
+      }
+      break;
+
+    case 'FILE':
+      var fs = require('fs');
+      stream = new fs.SyncWriteStream(fd, { autoClose: false });
+      stream._type = 'fs';
+      break;
+
+    case 'PIPE':
+    case 'TCP':
+      var net = require('net');
+      stream = new net.Socket({
+        fd: fd,
+        readable: false,
+        writable: true
+      });
+
+      // FIXME Should probably have an option in net.Socket to create a
+      // stream from an existing fd which is writable only. But for now
+      // we'll just add this hack and set the `readable` member to false.
+      // Test: ./node test/fixtures/echo.js < /etc/passwd
+      stream.readable = false;
+      stream.read = null;
+      stream._type = 'pipe';
+
+      // FIXME Hack to have stream not keep the event loop alive.
+      // See https://github.com/joyent/node/issues/1726
+      if (stream._handle && stream._handle.unref) {
+        stream._handle.unref();
+      }
+      break;
+
+    default:
+      // Probably an error on in uv_guess_handle()
+      throw new Error('Implement me. Unknown stream file type!');
+  }
+
+  // For supporting legacy API we put the FD here.
+  stream.fd = fd;
+
+  stream._isStdio = true;
+
+  return stream;
+}
+
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+function init (debug) {
+  debug.inspectOpts = {};
+
+  var keys = Object.keys(exports.inspectOpts);
+  for (var i = 0; i < keys.length; i++) {
+    debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+  }
+}
+
+/**
+ * Enable namespaces listed in `process.env.DEBUG` initially.
+ */
+
+exports.enable(load());
diff --git a/node_modules/decode-uri-component/index.js b/node_modules/decode-uri-component/index.js
new file mode 100644
index 00000000..24e7db0c
--- /dev/null
+++ b/node_modules/decode-uri-component/index.js
@@ -0,0 +1,94 @@
+'use strict';
+var token = '%[a-f0-9]{2}';
+var singleMatcher = new RegExp('(' + token + ')|([^%]+?)', 'gi');
+var multiMatcher = new RegExp('(' + token + ')+', 'gi');
+
+function decodeComponents(components, split) {
+	try {
+		// Try to decode the entire string first
+		return [decodeURIComponent(components.join(''))];
+	} catch (err) {
+		// Do nothing
+	}
+
+	if (components.length === 1) {
+		return components;
+	}
+
+	split = split || 1;
+
+	// Split the array in 2 parts
+	var left = components.slice(0, split);
+	var right = components.slice(split);
+
+	return Array.prototype.concat.call([], decodeComponents(left), decodeComponents(right));
+}
+
+function decode(input) {
+	try {
+		return decodeURIComponent(input);
+	} catch (err) {
+		var tokens = input.match(singleMatcher) || [];
+
+		for (var i = 1; i < tokens.length; i++) {
+			input = decodeComponents(tokens, i).join('');
+
+			tokens = input.match(singleMatcher) || [];
+		}
+
+		return input;
+	}
+}
+
+function customDecodeURIComponent(input) {
+	// Keep track of all the replacements and prefill the map with the `BOM`
+	var replaceMap = {
+		'%FE%FF': '\uFFFD\uFFFD',
+		'%FF%FE': '\uFFFD\uFFFD'
+	};
+
+	var match = multiMatcher.exec(input);
+	while (match) {
+		try {
+			// Decode as big chunks as possible
+			replaceMap[match[0]] = decodeURIComponent(match[0]);
+		} catch (err) {
+			var result = decode(match[0]);
+
+			if (result !== match[0]) {
+				replaceMap[match[0]] = result;
+			}
+		}
+
+		match = multiMatcher.exec(input);
+	}
+
+	// Add `%C2` at the end of the map to make sure it does not replace the combinator before everything else
+	replaceMap['%C2'] = '\uFFFD';
+
+	var entries = Object.keys(replaceMap);
+
+	for (var i = 0; i < entries.length; i++) {
+		// Replace all decoded components
+		var key = entries[i];
+		input = input.replace(new RegExp(key, 'g'), replaceMap[key]);
+	}
+
+	return input;
+}
+
+module.exports = function (encodedURI) {
+	if (typeof encodedURI !== 'string') {
+		throw new TypeError('Expected `encodedURI` to be of type `string`, got `' + typeof encodedURI + '`');
+	}
+
+	try {
+		encodedURI = encodedURI.replace(/\+/g, ' ');
+
+		// Try the built in decoder first
+		return decodeURIComponent(encodedURI);
+	} catch (err) {
+		// Fallback to a more advanced decoder
+		return customDecodeURIComponent(encodedURI);
+	}
+};
diff --git a/node_modules/decode-uri-component/license b/node_modules/decode-uri-component/license
new file mode 100644
index 00000000..8dbcd531
--- /dev/null
+++ b/node_modules/decode-uri-component/license
@@ -0,0 +1,9 @@
+The MIT License (MIT)
+
+Copyright (c) 2017, Sam Verschueren <sam.verschueren@gmail.com> (github.com/SamVerschueren)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/decode-uri-component/package.json b/node_modules/decode-uri-component/package.json
new file mode 100644
index 00000000..e2328233
--- /dev/null
+++ b/node_modules/decode-uri-component/package.json
@@ -0,0 +1,37 @@
+{
+	"name": "decode-uri-component",
+	"version": "0.2.2",
+	"description": "A better decodeURIComponent",
+	"license": "MIT",
+	"repository": "SamVerschueren/decode-uri-component",
+	"author": {
+		"name": "Sam Verschueren",
+		"email": "sam.verschueren@gmail.com",
+		"url": "github.com/SamVerschueren"
+	},
+	"engines": {
+		"node": ">=0.10"
+	},
+	"scripts": {
+		"test": "xo && nyc ava",
+		"coveralls": "nyc report --reporter=text-lcov | coveralls"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"decode",
+		"uri",
+		"component",
+		"decodeuricomponent",
+		"components",
+		"decoder",
+		"url"
+	],
+	"devDependencies": {
+		"ava": "^0.17.0",
+		"coveralls": "^2.13.1",
+		"nyc": "^10.3.2",
+		"xo": "^0.16.0"
+	}
+}
diff --git a/node_modules/decode-uri-component/readme.md b/node_modules/decode-uri-component/readme.md
new file mode 100644
index 00000000..3ed99b01
--- /dev/null
+++ b/node_modules/decode-uri-component/readme.md
@@ -0,0 +1,83 @@
+# decode-uri-component
+
+![CI](https://github.com/SamVerschueren/decode-uri-component/workflows/CI/badge.svg) [![Coverage Status](https://coveralls.io/repos/SamVerschueren/decode-uri-component/badge.svg?branch=master&service=github)](https://coveralls.io/github/SamVerschueren/decode-uri-component?branch=master)
+
+> A better [decodeURIComponent](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent)
+
+
+## Why?
+
+- Decodes `+` to a space.
+- Converts the [BOM](https://en.wikipedia.org/wiki/Byte_order_mark) to a [replacement character](https://en.wikipedia.org/wiki/Specials_(Unicode_block)#Replacement_character) `�`.
+- Does not throw with invalid encoded input.
+- Decodes as much of the string as possible.
+
+
+## Install
+
+```
+$ npm install --save decode-uri-component
+```
+
+
+## Usage
+
+```js
+const decodeUriComponent = require('decode-uri-component');
+
+decodeUriComponent('%25');
+//=> '%'
+
+decodeUriComponent('%');
+//=> '%'
+
+decodeUriComponent('st%C3%A5le');
+//=> 'ståle'
+
+decodeUriComponent('%st%C3%A5le%');
+//=> '%ståle%'
+
+decodeUriComponent('%%7Bst%C3%A5le%7D%');
+//=> '%{ståle}%'
+
+decodeUriComponent('%7B%ab%%7C%de%%7D');
+//=> '{%ab%|%de%}'
+
+decodeUriComponent('%FE%FF');
+//=> '\uFFFD\uFFFD'
+
+decodeUriComponent('%C2');
+//=> '\uFFFD'
+
+decodeUriComponent('%C2%B5');
+//=> 'µ'
+```
+
+
+## API
+
+### decodeUriComponent(encodedURI)
+
+#### encodedURI
+
+Type: `string`
+
+An encoded component of a Uniform Resource Identifier.
+
+
+## License
+
+MIT © [Sam Verschueren](https://github.com/SamVerschueren)
+
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-decode-uri-component?utm_source=npm-decode-uri-component&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>
diff --git a/node_modules/define-data-property/.eslintrc b/node_modules/define-data-property/.eslintrc
new file mode 100644
index 00000000..75443e81
--- /dev/null
+++ b/node_modules/define-data-property/.eslintrc
@@ -0,0 +1,24 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"complexity": 0,
+		"id-length": 0,
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/define-data-property/.github/FUNDING.yml b/node_modules/define-data-property/.github/FUNDING.yml
new file mode 100644
index 00000000..3e17725d
--- /dev/null
+++ b/node_modules/define-data-property/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/define-data-property
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/define-data-property/.nycrc b/node_modules/define-data-property/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/define-data-property/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/define-data-property/CHANGELOG.md b/node_modules/define-data-property/CHANGELOG.md
new file mode 100644
index 00000000..4eed75ea
--- /dev/null
+++ b/node_modules/define-data-property/CHANGELOG.md
@@ -0,0 +1,70 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.4](https://github.com/ljharb/define-data-property/compare/v1.1.3...v1.1.4) - 2024-02-13
+
+### Commits
+
+- [Refactor] use `es-define-property` [`90f2f4c`](https://github.com/ljharb/define-data-property/commit/90f2f4cc20298401e71c28e1e08888db12021453)
+- [Dev Deps] update `@types/object.getownpropertydescriptors` [`cd929d9`](https://github.com/ljharb/define-data-property/commit/cd929d9a04f5f2fdcfa9d5be140940b91a083153)
+
+## [v1.1.3](https://github.com/ljharb/define-data-property/compare/v1.1.2...v1.1.3) - 2024-02-12
+
+### Commits
+
+- [types] hand-write d.ts instead of emitting it [`0cbc988`](https://github.com/ljharb/define-data-property/commit/0cbc988203c105f2d97948327c7167ebd33bd318)
+- [meta] simplify `exports` [`690781e`](https://github.com/ljharb/define-data-property/commit/690781eed28bbf2d6766237efda0ba6dd591609e)
+- [Dev Deps] update `hasown`; clean up DT packages [`6cdfd1c`](https://github.com/ljharb/define-data-property/commit/6cdfd1cb2d91d791bfd18cda5d5cab232fd5d8fc)
+- [actions] cleanup [`3142bc6`](https://github.com/ljharb/define-data-property/commit/3142bc6a4bc406a51f5b04f31e98562a27f35ffd)
+- [meta] add `funding` [`8474423`](https://github.com/ljharb/define-data-property/commit/847442391a79779af3e0f1bf0b5bb923552b7804)
+- [Deps] update `get-intrinsic` [`3e9be00`](https://github.com/ljharb/define-data-property/commit/3e9be00e07784ba34e7c77d8bc0fdbc832ad61de)
+
+## [v1.1.2](https://github.com/ljharb/define-data-property/compare/v1.1.1...v1.1.2) - 2024-02-05
+
+### Commits
+
+- [Dev Deps] update @types packages, `object-inspect`, `tape`, `typescript` [`df41bf8`](https://github.com/ljharb/define-data-property/commit/df41bf84ca3456be6226055caab44e38e3a7fd2f)
+- [Dev Deps] update DT packages, `aud`, `npmignore`, `tape`, typescript` [`fab0e4e`](https://github.com/ljharb/define-data-property/commit/fab0e4ec709ee02b79f42d6db3ee5f26e0a34b8a)
+- [Dev Deps] use `hasown` instead of `has` [`aa51ef9`](https://github.com/ljharb/define-data-property/commit/aa51ef93f6403d49d9bb72a807bcdb6e418978c0)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`d89be50`](https://github.com/ljharb/define-data-property/commit/d89be50571175888d391238605122679f7e65ffc)
+- [Deps] update `has-property-descriptors` [`7af887c`](https://github.com/ljharb/define-data-property/commit/7af887c9083b59b195b0079e04815cfed9fcee2b)
+- [Deps] update `get-intrinsic` [`bb8728e`](https://github.com/ljharb/define-data-property/commit/bb8728ec42cd998505a7157ae24853a560c20646)
+
+## [v1.1.1](https://github.com/ljharb/define-data-property/compare/v1.1.0...v1.1.1) - 2023-10-12
+
+### Commits
+
+- [Tests] fix tests in ES3 engines [`5c6920e`](https://github.com/ljharb/define-data-property/commit/5c6920edd1f52f675b02f417e539c28135b43f94)
+- [Dev Deps] update `@types/es-value-fixtures`, `@types/for-each`, `@types/gopd`, `@types/has-property-descriptors`, `tape`, `typescript` [`7d82dfc`](https://github.com/ljharb/define-data-property/commit/7d82dfc20f778b4465bba06335dd53f6f431aea3)
+- [Fix] IE 8 has a broken `Object.defineProperty` [`0672e1a`](https://github.com/ljharb/define-data-property/commit/0672e1af2a9fcc787e7c23b96dea60d290df5548)
+- [meta] emit types on prepack [`73acb1f`](https://github.com/ljharb/define-data-property/commit/73acb1f903c21b314ec7156bf10f73c7910530c0)
+- [Dev Deps] update `tape`, `typescript` [`9489a77`](https://github.com/ljharb/define-data-property/commit/9489a7738bf2ecf0ac71d5b78ec4ca6ad7ba0142)
+
+## [v1.1.0](https://github.com/ljharb/define-data-property/compare/v1.0.1...v1.1.0) - 2023-09-13
+
+### Commits
+
+- [New] add `loose` arg [`155235a`](https://github.com/ljharb/define-data-property/commit/155235a4c4d7741f6de01cd87c99599a56654b72)
+- [New] allow `null` to be passed for the non* args [`7d2fa5f`](https://github.com/ljharb/define-data-property/commit/7d2fa5f06be0392736c13b126f7cd38979f34792)
+
+## [v1.0.1](https://github.com/ljharb/define-data-property/compare/v1.0.0...v1.0.1) - 2023-09-12
+
+### Commits
+
+- [meta] add TS types [`43d763c`](https://github.com/ljharb/define-data-property/commit/43d763c6c883f652de1c9c02ef6216ee507ffa69)
+- [Dev Deps] update `@types/tape`, `typescript` [`f444985`](https://github.com/ljharb/define-data-property/commit/f444985811c36f3e6448a03ad2f9b7898917f4c7)
+- [meta] add `safe-publish-latest`, [`172bb10`](https://github.com/ljharb/define-data-property/commit/172bb10890896ebb160e64398f6ee55760107bee)
+
+## v1.0.0 - 2023-09-12
+
+### Commits
+
+- Initial implementation, tests, readme [`5b43d6b`](https://github.com/ljharb/define-data-property/commit/5b43d6b44e675a904810467a7d4e0adb7efc3196)
+- Initial commit [`35e577a`](https://github.com/ljharb/define-data-property/commit/35e577a6ba59a98befa97776d70d90f3bea9009d)
+- npm init [`82a0a04`](https://github.com/ljharb/define-data-property/commit/82a0a04a321ca7de220af02d41e2745e8a9962ed)
+- Only apps should have lockfiles [`96df244`](https://github.com/ljharb/define-data-property/commit/96df244a3c6f426f9a2437be825d1c6f5dd7158e)
+- [meta] use `npmignore` to autogenerate an npmignore file [`a87ff18`](https://github.com/ljharb/define-data-property/commit/a87ff18cb79e14c2eb5720486c4759fd9a189375)
diff --git a/node_modules/define-data-property/LICENSE b/node_modules/define-data-property/LICENSE
new file mode 100644
index 00000000..b4213ac6
--- /dev/null
+++ b/node_modules/define-data-property/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/define-data-property/README.md b/node_modules/define-data-property/README.md
new file mode 100644
index 00000000..f2304dae
--- /dev/null
+++ b/node_modules/define-data-property/README.md
@@ -0,0 +1,67 @@
+# define-data-property <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Define a data property on an object. Will fall back to assignment in an engine without descriptors.
+
+The three `non*` argument can also be passed `null`, which will use the existing state if available.
+
+The `loose` argument will mean that if you attempt to set a non-normal data property, in an environment without descriptor support, it will fall back to normal assignment.
+
+## Usage
+
+```javascript
+var defineDataProperty = require('define-data-property');
+var assert = require('assert');
+
+var obj = {};
+defineDataProperty(obj, 'key', 'value');
+defineDataProperty(
+	obj,
+	'key2',
+	'value',
+	true, // nonEnumerable, optional
+	false, // nonWritable, optional
+	true, // nonConfigurable, optional
+	false // loose, optional
+);
+
+assert.deepEqual(
+	Object.getOwnPropertyDescriptors(obj),
+	{
+		key: {
+			configurable: true,
+			enumerable: true,
+			value: 'value',
+			writable: true,
+		},
+		key2: {
+			configurable: false,
+			enumerable: false,
+			value: 'value',
+			writable: true,
+		},
+	}
+);
+```
+
+[package-url]: https://npmjs.org/package/define-data-property
+[npm-version-svg]: https://versionbadg.es/ljharb/define-data-property.svg
+[deps-svg]: https://david-dm.org/ljharb/define-data-property.svg
+[deps-url]: https://david-dm.org/ljharb/define-data-property
+[dev-deps-svg]: https://david-dm.org/ljharb/define-data-property/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/define-data-property#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/define-data-property.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/define-data-property.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/define-data-property.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=define-data-property
+[codecov-image]: https://codecov.io/gh/ljharb/define-data-property/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/define-data-property/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/define-data-property
+[actions-url]: https://github.com/ljharb/define-data-property/actions
diff --git a/node_modules/define-data-property/index.d.ts b/node_modules/define-data-property/index.d.ts
new file mode 100644
index 00000000..b56a77da
--- /dev/null
+++ b/node_modules/define-data-property/index.d.ts
@@ -0,0 +1,12 @@
+
+declare function defineDataProperty(
+    obj: Record<PropertyKey, unknown>,
+    property: keyof typeof obj,
+    value: typeof obj[typeof property],
+    nonEnumerable?: boolean | null,
+    nonWritable?: boolean | null,
+    nonConfigurable?: boolean | null,
+    loose?: boolean
+): void;
+
+export = defineDataProperty;
\ No newline at end of file
diff --git a/node_modules/define-data-property/index.js b/node_modules/define-data-property/index.js
new file mode 100644
index 00000000..e1a38c07
--- /dev/null
+++ b/node_modules/define-data-property/index.js
@@ -0,0 +1,56 @@
+'use strict';
+
+var $defineProperty = require('es-define-property');
+
+var $SyntaxError = require('es-errors/syntax');
+var $TypeError = require('es-errors/type');
+
+var gopd = require('gopd');
+
+/** @type {import('.')} */
+module.exports = function defineDataProperty(
+	obj,
+	property,
+	value
+) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		throw new $TypeError('`obj` must be an object or a function`');
+	}
+	if (typeof property !== 'string' && typeof property !== 'symbol') {
+		throw new $TypeError('`property` must be a string or a symbol`');
+	}
+	if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) {
+		throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) {
+		throw new $TypeError('`nonWritable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) {
+		throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 6 && typeof arguments[6] !== 'boolean') {
+		throw new $TypeError('`loose`, if provided, must be a boolean');
+	}
+
+	var nonEnumerable = arguments.length > 3 ? arguments[3] : null;
+	var nonWritable = arguments.length > 4 ? arguments[4] : null;
+	var nonConfigurable = arguments.length > 5 ? arguments[5] : null;
+	var loose = arguments.length > 6 ? arguments[6] : false;
+
+	/* @type {false | TypedPropertyDescriptor<unknown>} */
+	var desc = !!gopd && gopd(obj, property);
+
+	if ($defineProperty) {
+		$defineProperty(obj, property, {
+			configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable,
+			enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable,
+			value: value,
+			writable: nonWritable === null && desc ? desc.writable : !nonWritable
+		});
+	} else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) {
+		// must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable
+		obj[property] = value; // eslint-disable-line no-param-reassign
+	} else {
+		throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.');
+	}
+};
diff --git a/node_modules/define-data-property/package.json b/node_modules/define-data-property/package.json
new file mode 100644
index 00000000..eec40971
--- /dev/null
+++ b/node_modules/define-data-property/package.json
@@ -0,0 +1,106 @@
+{
+	"name": "define-data-property",
+	"version": "1.1.4",
+	"description": "Define a data property on an object. Will fall back to assignment in an engine without descriptors.",
+	"main": "index.js",
+	"types": "./index.d.ts",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"tsc": "tsc -p .",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/define-data-property.git"
+	},
+	"keywords": [
+		"define",
+		"data",
+		"property",
+		"object",
+		"accessor",
+		"javascript",
+		"ecmascript",
+		"enumerable",
+		"configurable",
+		"writable"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/define-data-property/issues"
+	},
+	"homepage": "https://github.com/ljharb/define-data-property#readme",
+	"dependencies": {
+		"es-define-property": "^1.0.0",
+		"es-errors": "^1.3.0",
+		"gopd": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/call-bind": "^1.0.5",
+		"@types/define-properties": "^1.1.5",
+		"@types/es-value-fixtures": "^1.4.4",
+		"@types/for-each": "^0.3.3",
+		"@types/get-intrinsic": "^1.2.2",
+		"@types/gopd": "^1.0.3",
+		"@types/has-property-descriptors": "^1.0.3",
+		"@types/object-inspect": "^1.8.4",
+		"@types/object.getownpropertydescriptors": "^2.1.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"hasown": "^2.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"object.getownpropertydescriptors": "^2.1.7",
+		"reflect.ownkeys": "^1.1.4",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"types/reflect.ownkeys"
+		]
+	}
+}
diff --git a/node_modules/define-data-property/test/index.js b/node_modules/define-data-property/test/index.js
new file mode 100644
index 00000000..68204c66
--- /dev/null
+++ b/node_modules/define-data-property/test/index.js
@@ -0,0 +1,392 @@
+'use strict';
+
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+var hasOwn = require('hasown');
+var hasPropertyDescriptors = require('has-property-descriptors')();
+var getOwnPropertyDescriptors = require('object.getownpropertydescriptors');
+var ownKeys = require('reflect.ownkeys');
+
+var defineDataProperty = require('../');
+
+test('defineDataProperty', function (t) {
+	t.test('argument validation', function (st) {
+		forEach(v.primitives, function (nonObject) {
+			st['throws'](
+				// @ts-expect-error
+				function () { defineDataProperty(nonObject, 'key', 'value'); },
+				TypeError,
+				'throws on non-object input: ' + inspect(nonObject)
+			);
+		});
+
+		forEach(v.nonPropertyKeys, function (nonPropertyKey) {
+			st['throws'](
+				// @ts-expect-error
+				function () { defineDataProperty({}, nonPropertyKey, 'value'); },
+				TypeError,
+				'throws on non-PropertyKey input: ' + inspect(nonPropertyKey)
+			);
+		});
+
+		forEach(v.nonBooleans, function (nonBoolean) {
+			if (nonBoolean !== null) {
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonEnumerable: ' + inspect(nonBoolean)
+				);
+
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', false, nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonWritable: ' + inspect(nonBoolean)
+				);
+
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', false, false, nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonConfigurable: ' + inspect(nonBoolean)
+				);
+			}
+		});
+
+		st.end();
+	});
+
+	t.test('normal data property', function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+		st.ok(hasOwn(obj, 'existing'), 'has initial own property');
+		st.equal(obj.existing, 'existing property', 'has expected initial value');
+
+		var res = defineDataProperty(obj, 'added', 'added property');
+		st.equal(res, void undefined, 'returns `undefined`');
+		st.ok(hasOwn(obj, 'added'), 'has expected own property');
+		st.equal(obj.added, 'added property', 'has expected value');
+
+		defineDataProperty(obj, 'existing', 'new value');
+		st.ok(hasOwn(obj, 'existing'), 'still has expected own property');
+		st.equal(obj.existing, 'new value', 'has new expected value');
+
+		defineDataProperty(obj, 'explicit1', 'new value', false);
+		st.ok(hasOwn(obj, 'explicit1'), 'has expected own property (explicit enumerable)');
+		st.equal(obj.explicit1, 'new value', 'has new expected value (explicit enumerable)');
+
+		defineDataProperty(obj, 'explicit2', 'new value', false, false);
+		st.ok(hasOwn(obj, 'explicit2'), 'has expected own property (explicit writable)');
+		st.equal(obj.explicit2, 'new value', 'has new expected value (explicit writable)');
+
+		defineDataProperty(obj, 'explicit3', 'new value', false, false, false);
+		st.ok(hasOwn(obj, 'explicit3'), 'has expected own property (explicit configurable)');
+		st.equal(obj.explicit3, 'new value', 'has new expected value (explicit configurable)');
+
+		st.end();
+	});
+
+	t.test('loose mode', { skip: !hasPropertyDescriptors }, function (st) {
+		var obj = { existing: 'existing property' };
+
+		defineDataProperty(obj, 'added', 'added value 1', true, null, null, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: true,
+					enumerable: !hasPropertyDescriptors,
+					value: 'added value 1',
+					writable: true
+				}
+			},
+			'in loose mode, obj still adds property 1'
+		);
+
+		defineDataProperty(obj, 'added', 'added value 2', false, true, null, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: true,
+					enumerable: true,
+					value: 'added value 2',
+					writable: !hasPropertyDescriptors
+				}
+			},
+			'in loose mode, obj still adds property 2'
+		);
+
+		defineDataProperty(obj, 'added', 'added value 3', false, false, true, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: !hasPropertyDescriptors,
+					enumerable: true,
+					value: 'added value 3',
+					writable: true
+				}
+			},
+			'in loose mode, obj still adds property 3'
+		);
+
+		st.end();
+	});
+
+	t.test('non-normal data property, ES3', { skip: hasPropertyDescriptors }, function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', true); },
+			SyntaxError,
+			'nonEnumerable throws a Syntax Error'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', false, true); },
+			SyntaxError,
+			'nonWritable throws a Syntax Error'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', false, false, true); },
+			SyntaxError,
+			'nonWritable throws a Syntax Error'
+		);
+
+		st.deepEqual(
+			ownKeys(obj),
+			['existing'],
+			'obj still has expected keys'
+		);
+		st.equal(obj.existing, 'existing property', 'obj still has expected values');
+
+		st.end();
+	});
+
+	t.test('new non-normal data property, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+
+		defineDataProperty(obj, 'nonEnum', null, true);
+		defineDataProperty(obj, 'nonWrit', null, false, true);
+		defineDataProperty(obj, 'nonConf', null, false, false, true);
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				nonEnum: {
+					configurable: true,
+					enumerable: false,
+					value: null,
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: null,
+					writable: false
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj has expected property descriptors'
+		);
+
+		st.end();
+	});
+
+	t.test('existing non-normal data property, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		// test case changing an existing non-normal property
+
+		/** @type {Record<string, null | string>} */
+		var obj = {};
+		Object.defineProperty(obj, 'nonEnum', { configurable: true, enumerable: false, value: null, writable: true });
+		Object.defineProperty(obj, 'nonWrit', { configurable: true, enumerable: true, value: null, writable: false });
+		Object.defineProperty(obj, 'nonConf', { configurable: false, enumerable: true, value: null, writable: true });
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				nonEnum: {
+					configurable: true,
+					enumerable: false,
+					value: null,
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: null,
+					writable: false
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj initially has expected property descriptors'
+		);
+
+		defineDataProperty(obj, 'nonEnum', 'new value', false);
+		defineDataProperty(obj, 'nonWrit', 'new value', false, false);
+		st['throws'](
+			function () { defineDataProperty(obj, 'nonConf', 'new value', false, false, false); },
+			TypeError,
+			'can not alter a nonconfigurable property'
+		);
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				nonEnum: {
+					configurable: true,
+					enumerable: true,
+					value: 'new value',
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: 'new value',
+					writable: true
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj ends up with expected property descriptors'
+		);
+
+		st.end();
+	});
+
+	t.test('frozen object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var frozen = Object.freeze({ existing: true });
+
+		st['throws'](
+			function () { defineDataProperty(frozen, 'existing', 'new value'); },
+			TypeError,
+			'frozen object can not modify an existing property'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(frozen, 'new', 'new property'); },
+			TypeError,
+			'frozen object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.test('sealed object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var sealed = Object.seal({ existing: true });
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(sealed, 'existing'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: true,
+				writable: true
+			},
+			'existing value on sealed object has expected descriptor'
+		);
+
+		defineDataProperty(sealed, 'existing', 'new value');
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(sealed, 'existing'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: 'new value',
+				writable: true
+			},
+			'existing value on sealed object has changed descriptor'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(sealed, 'new', 'new property'); },
+			TypeError,
+			'sealed object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.test('nonextensible object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var nonExt = Object.preventExtensions({ existing: true });
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(nonExt, 'existing'),
+			{
+				configurable: true,
+				enumerable: true,
+				value: true,
+				writable: true
+			},
+			'existing value on non-extensible object has expected descriptor'
+		);
+
+		defineDataProperty(nonExt, 'existing', 'new value', true);
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(nonExt, 'existing'),
+			{
+				configurable: true,
+				enumerable: false,
+				value: 'new value',
+				writable: true
+			},
+			'existing value on non-extensible object has changed descriptor'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(nonExt, 'new', 'new property'); },
+			TypeError,
+			'non-extensible object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/define-data-property/tsconfig.json b/node_modules/define-data-property/tsconfig.json
new file mode 100644
index 00000000..69f060dc
--- /dev/null
+++ b/node_modules/define-data-property/tsconfig.json
@@ -0,0 +1,59 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+
+    /* Language and Environment */
+    "target": "es2022",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    "useDefineForClassFields": true,                     /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    "typeRoots": ["types"],                              /* Specify multiple folders that act like './node_modules/@types'. */
+    "resolveJsonModule": true,                           /* Enable importing .json files. */
+
+    /* JavaScript Support */
+    "allowJs": true,                                    /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    "checkJs": true,                                    /* Enable error reporting in type-checked JavaScript files. */
+    "maxNodeModuleJsDepth": 1,                          /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    "noEmit": true,                                      /* Disable emitting files from a compilation. */
+
+    /* Interop Constraints */
+    "allowSyntheticDefaultImports": true,                /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    "noImplicitAny": true,                               /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    "noImplicitThis": true,                              /* Enable error reporting when 'this' is given the type 'any'. */
+    "useUnknownInCatchVariables": true,                  /* Default catch clause variables as 'unknown' instead of 'any'. */
+    "noUnusedLocals": true,                              /* Enable error reporting when local variables aren't read. */
+    "noUnusedParameters": true,                          /* Raise an error when a function parameter isn't read. */
+    "noImplicitReturns": true,                           /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    "noFallthroughCasesInSwitch": true,                  /* Enable error reporting for fallthrough cases in switch statements. */
+    "noUncheckedIndexedAccess": true,                    /* Add 'undefined' to a type when accessed using an index. */
+    "noImplicitOverride": true,                          /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+
+    /* Completeness */
+    // "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  },
+  "exclude": [
+    "coverage"
+  ]
+}
diff --git a/node_modules/define-properties/.editorconfig b/node_modules/define-properties/.editorconfig
new file mode 100644
index 00000000..eaa21416
--- /dev/null
+++ b/node_modules/define-properties/.editorconfig
@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = tab;
+insert_final_newline = true;
+quote_type = auto;
+space_after_anonymous_functions = true;
+space_after_control_statements = true;
+spaces_around_operators = true;
+trim_trailing_whitespace = true;
+spaces_in_brackets = false;
+end_of_line = lf;
+
diff --git a/node_modules/define-properties/.eslintrc b/node_modules/define-properties/.eslintrc
new file mode 100644
index 00000000..4297a97f
--- /dev/null
+++ b/node_modules/define-properties/.eslintrc
@@ -0,0 +1,19 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": [2, { "min": 1, "max": 35 }],
+		"max-params": [2, 4],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"max-lines-per-function": 0,
+			},
+		},
+	],
+}
diff --git a/node_modules/define-properties/.github/FUNDING.yml b/node_modules/define-properties/.github/FUNDING.yml
new file mode 100644
index 00000000..c70f264a
--- /dev/null
+++ b/node_modules/define-properties/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/define-properties
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/define-properties/.nycrc b/node_modules/define-properties/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/define-properties/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/define-properties/CHANGELOG.md b/node_modules/define-properties/CHANGELOG.md
new file mode 100644
index 00000000..5bdf5f1c
--- /dev/null
+++ b/node_modules/define-properties/CHANGELOG.md
@@ -0,0 +1,91 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.1](https://github.com/ljharb/define-properties/compare/v1.2.0...v1.2.1) - 2023-09-12
+
+### Commits
+
+- [Refactor] use `define-data-property` [`e7782a7`](https://github.com/ljharb/define-properties/commit/e7782a7480a62f8b6e141b49371e6de4df176c97)
+- [actions] use reusable rebase action [`cd249c3`](https://github.com/ljharb/define-properties/commit/cd249c3920607bc8eeb7c0cd5b672b810983cac5)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`8205f97`](https://github.com/ljharb/define-properties/commit/8205f9734a4da8ee5b3b29798788567a09b330e8)
+
+## [v1.2.0](https://github.com/ljharb/define-properties/compare/v1.1.4...v1.2.0) - 2023-02-10
+
+### Commits
+
+- [New] if the predicate is boolean `true`, it compares the existing value with `===` as the predicate [`d8dd6fc`](https://github.com/ljharb/define-properties/commit/d8dd6fca40d7c5878a4b643b91e66ae5a513a194)
+- [meta] add `auto-changelog` [`7ebe2b0`](https://github.com/ljharb/define-properties/commit/7ebe2b0a0f90e62b842942cd45e86864fe75d9f6)
+- [meta] use `npmignore` to autogenerate an npmignore file [`647478a`](https://github.com/ljharb/define-properties/commit/647478a8401fbf053fb633c0a3a7c982da6bad74)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`e620d70`](https://github.com/ljharb/define-properties/commit/e620d707d2e1118a38796f22a862200eb0a53fff)
+- [Dev Deps] update `aud`, `tape` [`f1e5072`](https://github.com/ljharb/define-properties/commit/f1e507225c2551a99ed4fe40d3fe71b0f44acf88)
+- [actions] update checkout action [`628b3af`](https://github.com/ljharb/define-properties/commit/628b3af5c74b8f0963296d811a8f6fa657baf964)
+
+<!-- auto-changelog-above -->
+
+1.1.4 / 2022-04-14
+=================
+ * [Refactor] use `has-property-descriptors`
+ * [readme] add github actions/codecov badges
+ * [Docs] fix header parsing; remove testling
+ * [Deps] update `object-keys`
+ * [meta] use `prepublishOnly` script for npm 7+
+ * [meta] add `funding` field; create FUNDING.yml
+ * [actions] add "Allow Edits" workflow; automatic rebasing / merge commit blocking
+ * [actions] reuse common workflows
+ * [actions] update codecov uploader
+ * [actions] use `node/install` instead of `node/run`; use `codecov` action
+ * [Tests] migrate tests to Github Actions
+ * [Tests] run `nyc` on all tests; use `tape` runner
+ * [Tests] use shared travis-ci config
+ * [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops
+ * [Tests] remove `jscs`
+ * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape`; add `aud`, `safe-publish-latest`
+
+1.1.3 / 2018-08-14
+=================
+ * [Refactor] use a for loop instead of `foreach` to make for smaller bundle sizes
+ * [Robustness] cache `Array.prototype.concat` and `Object.defineProperty`
+ * [Deps] update `object-keys`
+ * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `nsp`, `tape`, `jscs`; remove unused eccheck script + dep
+ * [Tests] use pretest/posttest for linting/security
+ * [Tests] fix npm upgrades on older nodes
+
+1.1.2 / 2015-10-14
+=================
+ * [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG
+ * [Deps] Update `object-keys`
+ * [Dev Deps] update `jscs`, `tape`, `eslint`, `@ljharb/eslint-config`, `nsp`
+ * [Tests] up to `io.js` `v3.3`, `node` `v4.2`
+
+1.1.1 / 2015-07-21
+=================
+ * [Deps] Update `object-keys`
+ * [Dev Deps] Update `tape`, `eslint`
+ * [Tests] Test on `io.js` `v2.4`
+
+1.1.0 / 2015-07-01
+=================
+ * [New] Add support for symbol-valued properties.
+ * [Dev Deps] Update `nsp`, `eslint`
+ * [Tests] Test up to `io.js` `v2.3`
+
+1.0.3 / 2015-05-30
+=================
+ * Using a more reliable check for supported property descriptors.
+
+1.0.2 / 2015-05-23
+=================
+ * Test up to `io.js` `v2.0`
+ * Update `tape`, `jscs`, `nsp`, `eslint`, `object-keys`, `editorconfig-tools`, `covert`
+
+1.0.1 / 2015-01-06
+=================
+ * Update `object-keys` to fix ES3 support
+
+1.0.0 / 2015-01-04
+=================
+  * v1.0.0
diff --git a/node_modules/define-properties/LICENSE b/node_modules/define-properties/LICENSE
new file mode 100644
index 00000000..8c271c14
--- /dev/null
+++ b/node_modules/define-properties/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (C) 2015 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/define-properties/README.md b/node_modules/define-properties/README.md
new file mode 100644
index 00000000..650adfa3
--- /dev/null
+++ b/node_modules/define-properties/README.md
@@ -0,0 +1,84 @@
+# define-properties <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
+Existing properties are not overridden. Accepts a map of property names to a predicate that, when true, force-overrides.
+
+## Example
+
+```js
+var define = require('define-properties');
+var assert = require('assert');
+
+var obj = define({ a: 1, b: 2 }, {
+	a: 10,
+	b: 20,
+	c: 30
+});
+assert(obj.a === 1);
+assert(obj.b === 2);
+assert(obj.c === 30);
+if (define.supportsDescriptors) {
+	assert.deepEqual(Object.keys(obj), ['a', 'b']);
+	assert.deepEqual(Object.getOwnPropertyDescriptor(obj, 'c'), {
+		configurable: true,
+		enumerable: false,
+		value: 30,
+		writable: false
+	});
+}
+```
+
+Then, with predicates:
+```js
+var define = require('define-properties');
+var assert = require('assert');
+
+var obj = define({ a: 1, b: 2, c: 3 }, {
+	a: 10,
+	b: 20,
+	c: 30
+}, {
+	a: function () { return false; },
+	b: function () { return true; }
+});
+assert(obj.a === 1);
+assert(obj.b === 20);
+assert(obj.c === 3);
+if (define.supportsDescriptors) {
+	assert.deepEqual(Object.keys(obj), ['a', 'c']);
+	assert.deepEqual(Object.getOwnPropertyDescriptor(obj, 'b'), {
+		configurable: true,
+		enumerable: false,
+		value: 20,
+		writable: false
+	});
+}
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/define-properties
+[npm-version-svg]: https://versionbadg.es/ljharb/define-properties.svg
+[deps-svg]: https://david-dm.org/ljharb/define-properties.svg
+[deps-url]: https://david-dm.org/ljharb/define-properties
+[dev-deps-svg]: https://david-dm.org/ljharb/define-properties/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/define-properties#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/define-properties.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/define-properties.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/define-properties.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=define-properties
+[codecov-image]: https://codecov.io/gh/ljharb/define-properties/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/define-properties/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/define-properties
+[actions-url]: https://github.com/ljharb/define-properties/actions
diff --git a/node_modules/define-properties/index.js b/node_modules/define-properties/index.js
new file mode 100644
index 00000000..1860404e
--- /dev/null
+++ b/node_modules/define-properties/index.js
@@ -0,0 +1,47 @@
+'use strict';
+
+var keys = require('object-keys');
+var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
+
+var toStr = Object.prototype.toString;
+var concat = Array.prototype.concat;
+var defineDataProperty = require('define-data-property');
+
+var isFunction = function (fn) {
+	return typeof fn === 'function' && toStr.call(fn) === '[object Function]';
+};
+
+var supportsDescriptors = require('has-property-descriptors')();
+
+var defineProperty = function (object, name, value, predicate) {
+	if (name in object) {
+		if (predicate === true) {
+			if (object[name] === value) {
+				return;
+			}
+		} else if (!isFunction(predicate) || !predicate()) {
+			return;
+		}
+	}
+
+	if (supportsDescriptors) {
+		defineDataProperty(object, name, value, true);
+	} else {
+		defineDataProperty(object, name, value);
+	}
+};
+
+var defineProperties = function (object, map) {
+	var predicates = arguments.length > 2 ? arguments[2] : {};
+	var props = keys(map);
+	if (hasSymbols) {
+		props = concat.call(props, Object.getOwnPropertySymbols(map));
+	}
+	for (var i = 0; i < props.length; i += 1) {
+		defineProperty(object, props[i], map[props[i]], predicates[props[i]]);
+	}
+};
+
+defineProperties.supportsDescriptors = !!supportsDescriptors;
+
+module.exports = defineProperties;
diff --git a/node_modules/define-properties/package.json b/node_modules/define-properties/package.json
new file mode 100644
index 00000000..577d8853
--- /dev/null
+++ b/node_modules/define-properties/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "define-properties",
+	"version": "1.2.1",
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"description": "Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.",
+	"license": "MIT",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"lint": "eslint --ext=js,mjs .",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/ljharb/define-properties.git"
+	},
+	"keywords": [
+		"Object.defineProperty",
+		"Object.defineProperties",
+		"object",
+		"property descriptor",
+		"descriptor",
+		"define",
+		"ES5"
+	],
+	"dependencies": {
+		"define-data-property": "^1.0.1",
+		"has-property-descriptors": "^1.0.0",
+		"object-keys": "^1.1.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.6.6"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true,
+		"startingVersion": "1.1.5"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test/"
+		]
+	}
+}
diff --git a/node_modules/define-property/CHANGELOG.md b/node_modules/define-property/CHANGELOG.md
new file mode 100644
index 00000000..901c8aae
--- /dev/null
+++ b/node_modules/define-property/CHANGELOG.md
@@ -0,0 +1,82 @@
+# Release history
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+<details>
+  <summary><strong>Guiding Principles</strong></summary>
+
+- Changelogs are for humans, not machines.
+- There should be an entry for every single version.
+- The same types of changes should be grouped.
+- Versions and sections should be linkable.
+- The latest version comes first.
+- The release date of each versions is displayed.
+- Mention whether you follow Semantic Versioning.
+
+</details>
+
+<details>
+  <summary><strong>Types of changes</strong></summary>
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog](http://keepachangelog.com/)_):
+
+- `Added` for new features.
+- `Changed` for changes in existing functionality.
+- `Deprecated` for soon-to-be removed features.
+- `Removed` for now removed features.
+- `Fixed` for any bug fixes.
+- `Security` in case of vulnerabilities.
+
+</details>
+
+## [2.0.0] - 2017-04-20
+
+### Changed
+
+- Now supports data descriptors in addition to accessor descriptors.
+- Now uses [Reflect.defineProperty][reflect] when available, otherwise falls back to [Object.defineProperty][object]. 
+
+## [1.0.0] - 2017-04-20
+
+- stable release
+
+## [0.2.5] - 2015-08-31
+
+- use is-descriptor
+
+## [0.2.3] - 2015-08-29
+
+- check keys length
+
+## [0.2.2] - 2015-08-27
+
+- ensure val is an object
+
+## [0.2.1] - 2015-08-27
+
+- support functions
+
+## [0.2.0] - 2015-08-27
+
+- support get/set
+- update docs
+
+## [0.1.0] - 2015-08-12
+
+- first commit
+
+[2.0.0]: https://github.com/jonschlinkert/define-property/compare/1.0.0...2.0.0
+[1.0.0]: https://github.com/jonschlinkert/define-property/compare/0.2.5...1.0.0
+[0.2.5]: https://github.com/jonschlinkert/define-property/compare/0.2.3...0.2.5
+[0.2.3]: https://github.com/jonschlinkert/define-property/compare/0.2.2...0.2.3
+[0.2.2]: https://github.com/jonschlinkert/define-property/compare/0.2.1...0.2.2
+[0.2.1]: https://github.com/jonschlinkert/define-property/compare/0.2.0...0.2.1
+[0.2.0]: https://github.com/jonschlinkert/define-property/compare/0.1.3...0.2.0
+
+[keep-a-changelog]: https://github.com/olivierlacan/keep-a-changelog
+
+[object]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty
+[reflect]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/defineProperty
diff --git a/node_modules/define-property/LICENSE b/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..f8de0630
--- /dev/null
+++ b/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/define-property/README.md b/node_modules/define-property/README.md
new file mode 100644
index 00000000..f1ee8f92
--- /dev/null
+++ b/node_modules/define-property/README.md
@@ -0,0 +1,117 @@
+# define-property [![NPM version](https://img.shields.io/npm/v/define-property.svg?style=flat)](https://www.npmjs.com/package/define-property) [![NPM monthly downloads](https://img.shields.io/npm/dm/define-property.svg?style=flat)](https://npmjs.org/package/define-property) [![NPM total downloads](https://img.shields.io/npm/dt/define-property.svg?style=flat)](https://npmjs.org/package/define-property) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/define-property.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/define-property)
+
+> Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save define-property
+```
+
+## Release history
+
+See [the CHANGELOG](changelog.md) for updates.
+
+## Usage
+
+**Params**
+
+* `object`: The object on which to define the property.
+* `key`: The name of the property to be defined or modified.
+* `value`: The value or descriptor of the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+// by default, defined properties are non-enumberable
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**defining setters/getters**
+
+Pass the same properties you would if using [Object.defineProperty](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty) or [Reflect.defineProperty](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/defineProperty).
+
+```js
+define(obj, 'foo', {
+  set: function() {},
+  get: function() {}
+});
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target (first) object.")
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 28 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [doowb](https://github.com/doowb) |
+
+### Author
+
+**Jon Schlinkert**
+
+* Connect with me on [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* Follow me on [github/jonschlinkert](https://github.com/jonschlinkert)
+* Follow me on [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on January 25, 2018._
\ No newline at end of file
diff --git a/node_modules/define-property/index.js b/node_modules/define-property/index.js
new file mode 100644
index 00000000..0efa0a9e
--- /dev/null
+++ b/node_modules/define-property/index.js
@@ -0,0 +1,38 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015-2018, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isobject = require('isobject');
+var isDescriptor = require('is-descriptor');
+var define = (typeof Reflect !== 'undefined' && Reflect.defineProperty)
+  ? Reflect.defineProperty
+  : Object.defineProperty;
+
+module.exports = function defineProperty(obj, key, val) {
+  if (!isobject(obj) && typeof obj !== 'function' && !Array.isArray(obj)) {
+    throw new TypeError('expected an object, function, or array');
+  }
+
+  if (typeof key !== 'string') {
+    throw new TypeError('expected "key" to be a string');
+  }
+
+  if (isDescriptor(val)) {
+    define(obj, key, val);
+    return obj;
+  }
+
+  define(obj, key, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+
+  return obj;
+};
diff --git a/node_modules/define-property/package.json b/node_modules/define-property/package.json
new file mode 100644
index 00000000..f8fd21cb
--- /dev/null
+++ b/node_modules/define-property/package.json
@@ -0,0 +1,67 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.",
+  "version": "2.0.2",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-descriptor": "^1.0.2",
+    "isobject": "^3.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "assign-deep",
+        "extend-shallow",
+        "merge-deep",
+        "mixin-deep"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/des.js/.jscsrc b/node_modules/des.js/.jscsrc
new file mode 100644
index 00000000..dbaae205
--- /dev/null
+++ b/node_modules/des.js/.jscsrc
@@ -0,0 +1,46 @@
+{
+  "disallowKeywordsOnNewLine": [ "else" ],
+  "disallowMixedSpacesAndTabs": true,
+  "disallowMultipleLineStrings": true,
+  "disallowMultipleVarDecl": true,
+  "disallowNewlineBeforeBlockStatements": true,
+  "disallowQuotedKeysInObjects": true,
+  "disallowSpaceAfterObjectKeys": true,
+  "disallowSpaceAfterPrefixUnaryOperators": true,
+  "disallowSpaceBeforePostfixUnaryOperators": true,
+  "disallowSpacesInCallExpression": true,
+  "disallowTrailingComma": true,
+  "disallowTrailingWhitespace": true,
+  "disallowYodaConditions": true,
+
+  "requireCommaBeforeLineBreak": true,
+  "requireOperatorBeforeLineBreak": true,
+  "requireSpaceAfterBinaryOperators": true,
+  "requireSpaceAfterKeywords": [ "if", "for", "while", "else", "try", "catch" ],
+  "requireSpaceAfterLineComment": true,
+  "requireSpaceBeforeBinaryOperators": true,
+  "requireSpaceBeforeBlockStatements": true,
+  "requireSpaceBeforeKeywords": [ "else", "catch" ],
+  "requireSpaceBeforeObjectValues": true,
+  "requireSpaceBetweenArguments": true,
+  "requireSpacesInAnonymousFunctionExpression": {
+    "beforeOpeningCurlyBrace": true
+  },
+  "requireSpacesInFunctionDeclaration": {
+    "beforeOpeningCurlyBrace": true
+  },
+  "requireSpacesInFunctionExpression": {
+    "beforeOpeningCurlyBrace": true
+  },
+  "requireSpacesInConditionalExpression": true,
+  "requireSpacesInForStatement": true,
+  "requireSpacesInsideArrayBrackets": "all",
+  "requireSpacesInsideObjectBrackets": "all",
+  "requireDotNotation": true,
+
+  "maximumLineLength": 80,
+  "validateIndentation": 2,
+  "validateLineBreaks": "LF",
+  "validateParameterSeparator": ", ",
+  "validateQuoteMarks": "'"
+}
diff --git a/node_modules/des.js/.jshintrc b/node_modules/des.js/.jshintrc
new file mode 100644
index 00000000..7e973902
--- /dev/null
+++ b/node_modules/des.js/.jshintrc
@@ -0,0 +1,89 @@
+{
+    // JSHint Default Configuration File (as on JSHint website)
+    // See http://jshint.com/docs/ for more details
+
+    "maxerr"        : 50,       // {int} Maximum error before stopping
+
+    // Enforcing
+    "bitwise"       : false,     // true: Prohibit bitwise operators (&, |, ^, etc.)
+    "camelcase"     : false,     // true: Identifiers must be in camelCase
+    "curly"         : false,     // true: Require {} for every new block or scope
+    "eqeqeq"        : true,     // true: Require triple equals (===) for comparison
+    "forin"         : true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
+    "freeze"        : true,     // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
+    "immed"         : false,    // true: Require immediate invocations to be wrapped in parens e.g. `(function () { } ());`
+    "indent"        : 2,        // {int} Number of spaces to use for indentation
+    "latedef"       : true,     // true: Require variables/functions to be defined before being used
+    "newcap"        : true,     // true: Require capitalization of all constructor functions e.g. `new F()`
+    "noarg"         : true,     // true: Prohibit use of `arguments.caller` and `arguments.callee`
+    "noempty"       : false,    // true: Prohibit use of empty blocks
+    "nonbsp"        : true,     // true: Prohibit "non-breaking whitespace" characters.
+    "nonew"         : false,    // true: Prohibit use of constructors for side-effects (without assignment)
+    "plusplus"      : false,    // true: Prohibit use of `++` & `--`
+    "quotmark"      : "single", // Quotation mark consistency:
+                                //   false    : do nothing (default)
+                                //   true     : ensure whatever is used is consistent
+                                //   "single" : require single quotes
+                                //   "double" : require double quotes
+    "undef"         : true,     // true: Require all non-global variables to be declared (prevents global leaks)
+    "unused"        : true,     // true: Require all defined variables be used
+    "strict"        : true,     // true: Requires all functions run in ES5 Strict Mode
+    "maxparams"     : false,    // {int} Max number of formal params allowed per function
+    "maxdepth"      : 3,        // {int} Max depth of nested blocks (within functions)
+    "maxstatements" : false,    // {int} Max number statements per function
+    "maxcomplexity" : false,    // {int} Max cyclomatic complexity per function
+    "maxlen"        : false,    // {int} Max number of characters per line
+
+    // Relaxing
+    "asi"           : false,     // true: Tolerate Automatic Semicolon Insertion (no semicolons)
+    "boss"          : false,     // true: Tolerate assignments where comparisons would be expected
+    "debug"         : false,     // true: Allow debugger statements e.g. browser breakpoints.
+    "eqnull"        : false,     // true: Tolerate use of `== null`
+    "es5"           : false,     // true: Allow ES5 syntax (ex: getters and setters)
+    "esnext"        : false,     // true: Allow ES.next (ES6) syntax (ex: `const`)
+    "moz"           : false,     // true: Allow Mozilla specific syntax (extends and overrides esnext features)
+                                 // (ex: `for each`, multiple try/catch, function expression…)
+    "evil"          : false,     // true: Tolerate use of `eval` and `new Function()`
+    "expr"          : false,     // true: Tolerate `ExpressionStatement` as Programs
+    "funcscope"     : false,     // true: Tolerate defining variables inside control statements
+    "globalstrict"  : false,     // true: Allow global "use strict" (also enables 'strict')
+    "iterator"      : false,     // true: Tolerate using the `__iterator__` property
+    "lastsemic"     : false,     // true: Tolerate omitting a semicolon for the last statement of a 1-line block
+    "laxbreak"      : false,     // true: Tolerate possibly unsafe line breakings
+    "laxcomma"      : false,     // true: Tolerate comma-first style coding
+    "loopfunc"      : false,     // true: Tolerate functions being defined in loops
+    "multistr"      : false,     // true: Tolerate multi-line strings
+    "noyield"       : false,     // true: Tolerate generator functions with no yield statement in them.
+    "notypeof"      : false,     // true: Tolerate invalid typeof operator values
+    "proto"         : false,     // true: Tolerate using the `__proto__` property
+    "scripturl"     : false,     // true: Tolerate script-targeted URLs
+    "shadow"        : true,      // true: Allows re-define variables later in code e.g. `var x=1; x=2;`
+    "sub"           : false,     // true: Tolerate using `[]` notation when it can still be expressed in dot notation
+    "supernew"      : false,     // true: Tolerate `new function () { ... };` and `new Object;`
+    "validthis"     : false,     // true: Tolerate using this in a non-constructor function
+
+    // Environments
+    "browser"       : true,     // Web Browser (window, document, etc)
+    "browserify"    : true,     // Browserify (node.js code in the browser)
+    "couch"         : false,    // CouchDB
+    "devel"         : true,     // Development/debugging (alert, confirm, etc)
+    "dojo"          : false,    // Dojo Toolkit
+    "jasmine"       : false,    // Jasmine
+    "jquery"        : false,    // jQuery
+    "mocha"         : true,     // Mocha
+    "mootools"      : false,    // MooTools
+    "node"          : true,     // Node.js
+    "nonstandard"   : false,    // Widely adopted globals (escape, unescape, etc)
+    "prototypejs"   : false,    // Prototype and Scriptaculous
+    "qunit"         : false,    // QUnit
+    "rhino"         : false,    // Rhino
+    "shelljs"       : false,    // ShellJS
+    "worker"        : false,    // Web Workers
+    "wsh"           : false,    // Windows Scripting Host
+    "yui"           : false,    // Yahoo User Interface
+
+    // Custom Globals
+    "globals"       : {
+        "module": true
+    }        // additional predefined global variables
+}
diff --git a/node_modules/des.js/README.md b/node_modules/des.js/README.md
new file mode 100644
index 00000000..976de33b
--- /dev/null
+++ b/node_modules/des.js/README.md
@@ -0,0 +1,26 @@
+# DES.js
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/des.js/lib/des.js b/node_modules/des.js/lib/des.js
new file mode 100644
index 00000000..2fd04a6d
--- /dev/null
+++ b/node_modules/des.js/lib/des.js
@@ -0,0 +1,7 @@
+'use strict';
+
+exports.utils = require('./des/utils');
+exports.Cipher = require('./des/cipher');
+exports.DES = require('./des/des');
+exports.CBC = require('./des/cbc');
+exports.EDE = require('./des/ede');
diff --git a/node_modules/des.js/lib/des/cbc.js b/node_modules/des.js/lib/des/cbc.js
new file mode 100644
index 00000000..208ea313
--- /dev/null
+++ b/node_modules/des.js/lib/des/cbc.js
@@ -0,0 +1,65 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var proto = {};
+
+function CBCState(iv) {
+  assert.equal(iv.length, 8, 'Invalid IV length');
+
+  this.iv = new Array(8);
+  for (var i = 0; i < this.iv.length; i++)
+    this.iv[i] = iv[i];
+}
+
+function instantiate(Base) {
+  function CBC(options) {
+    Base.call(this, options);
+    this._cbcInit();
+  }
+  inherits(CBC, Base);
+
+  var keys = Object.keys(proto);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    CBC.prototype[key] = proto[key];
+  }
+
+  CBC.create = function create(options) {
+    return new CBC(options);
+  };
+
+  return CBC;
+}
+
+exports.instantiate = instantiate;
+
+proto._cbcInit = function _cbcInit() {
+  var state = new CBCState(this.options.iv);
+  this._cbcState = state;
+};
+
+proto._update = function _update(inp, inOff, out, outOff) {
+  var state = this._cbcState;
+  var superProto = this.constructor.super_.prototype;
+
+  var iv = state.iv;
+  if (this.type === 'encrypt') {
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] ^= inp[inOff + i];
+
+    superProto._update.call(this, iv, 0, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = out[outOff + i];
+  } else {
+    superProto._update.call(this, inp, inOff, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      out[outOff + i] ^= iv[i];
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = inp[inOff + i];
+  }
+};
diff --git a/node_modules/des.js/lib/des/cipher.js b/node_modules/des.js/lib/des/cipher.js
new file mode 100644
index 00000000..435d62e9
--- /dev/null
+++ b/node_modules/des.js/lib/des/cipher.js
@@ -0,0 +1,142 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+
+function Cipher(options) {
+  this.options = options;
+
+  this.type = this.options.type;
+  this.blockSize = 8;
+  this._init();
+
+  this.buffer = new Array(this.blockSize);
+  this.bufferOff = 0;
+  this.padding = options.padding !== false
+}
+module.exports = Cipher;
+
+Cipher.prototype._init = function _init() {
+  // Might be overrided
+};
+
+Cipher.prototype.update = function update(data) {
+  if (data.length === 0)
+    return [];
+
+  if (this.type === 'decrypt')
+    return this._updateDecrypt(data);
+  else
+    return this._updateEncrypt(data);
+};
+
+Cipher.prototype._buffer = function _buffer(data, off) {
+  // Append data to buffer
+  var min = Math.min(this.buffer.length - this.bufferOff, data.length - off);
+  for (var i = 0; i < min; i++)
+    this.buffer[this.bufferOff + i] = data[off + i];
+  this.bufferOff += min;
+
+  // Shift next
+  return min;
+};
+
+Cipher.prototype._flushBuffer = function _flushBuffer(out, off) {
+  this._update(this.buffer, 0, out, off);
+  this.bufferOff = 0;
+  return this.blockSize;
+};
+
+Cipher.prototype._updateEncrypt = function _updateEncrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = ((this.bufferOff + data.length) / this.blockSize) | 0;
+  var out = new Array(count * this.blockSize);
+
+  if (this.bufferOff !== 0) {
+    inputOff += this._buffer(data, inputOff);
+
+    if (this.bufferOff === this.buffer.length)
+      outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Write blocks
+  var max = data.length - ((data.length - inputOff) % this.blockSize);
+  for (; inputOff < max; inputOff += this.blockSize) {
+    this._update(data, inputOff, out, outputOff);
+    outputOff += this.blockSize;
+  }
+
+  // Queue rest
+  for (; inputOff < data.length; inputOff++, this.bufferOff++)
+    this.buffer[this.bufferOff] = data[inputOff];
+
+  return out;
+};
+
+Cipher.prototype._updateDecrypt = function _updateDecrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1;
+  var out = new Array(count * this.blockSize);
+
+  // TODO(indutny): optimize it, this is far from optimal
+  for (; count > 0; count--) {
+    inputOff += this._buffer(data, inputOff);
+    outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Buffer rest of the input
+  inputOff += this._buffer(data, inputOff);
+
+  return out;
+};
+
+Cipher.prototype.final = function final(buffer) {
+  var first;
+  if (buffer)
+    first = this.update(buffer);
+
+  var last;
+  if (this.type === 'encrypt')
+    last = this._finalEncrypt();
+  else
+    last = this._finalDecrypt();
+
+  if (first)
+    return first.concat(last);
+  else
+    return last;
+};
+
+Cipher.prototype._pad = function _pad(buffer, off) {
+  if (off === 0)
+    return false;
+
+  while (off < buffer.length)
+    buffer[off++] = 0;
+
+  return true;
+};
+
+Cipher.prototype._finalEncrypt = function _finalEncrypt() {
+  if (!this._pad(this.buffer, this.bufferOff))
+    return [];
+
+  var out = new Array(this.blockSize);
+  this._update(this.buffer, 0, out, 0);
+  return out;
+};
+
+Cipher.prototype._unpad = function _unpad(buffer) {
+  return buffer;
+};
+
+Cipher.prototype._finalDecrypt = function _finalDecrypt() {
+  assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt');
+  var out = new Array(this.blockSize);
+  this._flushBuffer(out, 0);
+
+  return this._unpad(out);
+};
diff --git a/node_modules/des.js/lib/des/des.js b/node_modules/des.js/lib/des/des.js
new file mode 100644
index 00000000..09df5a87
--- /dev/null
+++ b/node_modules/des.js/lib/des/des.js
@@ -0,0 +1,150 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var utils = require('./utils');
+var Cipher = require('./cipher');
+
+function DESState() {
+  this.tmp = new Array(2);
+  this.keys = null;
+}
+
+function DES(options) {
+  Cipher.call(this, options);
+
+  var state = new DESState();
+  this._desState = state;
+
+  this.deriveKeys(state, options.key);
+}
+inherits(DES, Cipher);
+module.exports = DES;
+
+DES.create = function create(options) {
+  return new DES(options);
+};
+
+var shiftTable = [
+  1, 1, 2, 2, 2, 2, 2, 2,
+  1, 2, 2, 2, 2, 2, 2, 1
+];
+
+DES.prototype.deriveKeys = function deriveKeys(state, key) {
+  state.keys = new Array(16 * 2);
+
+  assert.equal(key.length, this.blockSize, 'Invalid key length');
+
+  var kL = utils.readUInt32BE(key, 0);
+  var kR = utils.readUInt32BE(key, 4);
+
+  utils.pc1(kL, kR, state.tmp, 0);
+  kL = state.tmp[0];
+  kR = state.tmp[1];
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var shift = shiftTable[i >>> 1];
+    kL = utils.r28shl(kL, shift);
+    kR = utils.r28shl(kR, shift);
+    utils.pc2(kL, kR, state.keys, i);
+  }
+};
+
+DES.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._desState;
+
+  var l = utils.readUInt32BE(inp, inOff);
+  var r = utils.readUInt32BE(inp, inOff + 4);
+
+  // Initial Permutation
+  utils.ip(l, r, state.tmp, 0);
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  if (this.type === 'encrypt')
+    this._encrypt(state, l, r, state.tmp, 0);
+  else
+    this._decrypt(state, l, r, state.tmp, 0);
+
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  utils.writeUInt32BE(out, l, outOff);
+  utils.writeUInt32BE(out, r, outOff + 4);
+};
+
+DES.prototype._pad = function _pad(buffer, off) {
+  if (this.padding === false) {
+    return false;
+  }
+
+  var value = buffer.length - off;
+  for (var i = off; i < buffer.length; i++)
+    buffer[i] = value;
+
+  return true;
+};
+
+DES.prototype._unpad = function _unpad(buffer) {
+  if (this.padding === false) {
+    return buffer;
+  }
+
+  var pad = buffer[buffer.length - 1];
+  for (var i = buffer.length - pad; i < buffer.length; i++)
+    assert.equal(buffer[i], pad);
+
+  return buffer.slice(0, buffer.length - pad);
+};
+
+DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) {
+  var l = lStart;
+  var r = rStart;
+
+  // Apply f() x16 times
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(r, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = r;
+    r = (l ^ f) >>> 0;
+    l = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(r, l, out, off);
+};
+
+DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) {
+  var l = rStart;
+  var r = lStart;
+
+  // Apply f() x16 times
+  for (var i = state.keys.length - 2; i >= 0; i -= 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(l, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = l;
+    l = (r ^ f) >>> 0;
+    r = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(l, r, out, off);
+};
diff --git a/node_modules/des.js/lib/des/ede.js b/node_modules/des.js/lib/des/ede.js
new file mode 100644
index 00000000..b8fb7d1c
--- /dev/null
+++ b/node_modules/des.js/lib/des/ede.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var Cipher = require('./cipher');
+var DES = require('./des');
+
+function EDEState(type, key) {
+  assert.equal(key.length, 24, 'Invalid key length');
+
+  var k1 = key.slice(0, 8);
+  var k2 = key.slice(8, 16);
+  var k3 = key.slice(16, 24);
+
+  if (type === 'encrypt') {
+    this.ciphers = [
+      DES.create({ type: 'encrypt', key: k1 }),
+      DES.create({ type: 'decrypt', key: k2 }),
+      DES.create({ type: 'encrypt', key: k3 })
+    ];
+  } else {
+    this.ciphers = [
+      DES.create({ type: 'decrypt', key: k3 }),
+      DES.create({ type: 'encrypt', key: k2 }),
+      DES.create({ type: 'decrypt', key: k1 })
+    ];
+  }
+}
+
+function EDE(options) {
+  Cipher.call(this, options);
+
+  var state = new EDEState(this.type, this.options.key);
+  this._edeState = state;
+}
+inherits(EDE, Cipher);
+
+module.exports = EDE;
+
+EDE.create = function create(options) {
+  return new EDE(options);
+};
+
+EDE.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._edeState;
+
+  state.ciphers[0]._update(inp, inOff, out, outOff);
+  state.ciphers[1]._update(out, outOff, out, outOff);
+  state.ciphers[2]._update(out, outOff, out, outOff);
+};
+
+EDE.prototype._pad = DES.prototype._pad;
+EDE.prototype._unpad = DES.prototype._unpad;
diff --git a/node_modules/des.js/lib/des/utils.js b/node_modules/des.js/lib/des/utils.js
new file mode 100644
index 00000000..08a5ccd9
--- /dev/null
+++ b/node_modules/des.js/lib/des/utils.js
@@ -0,0 +1,256 @@
+'use strict';
+
+exports.readUInt32BE = function readUInt32BE(bytes, off) {
+  var res =  (bytes[0 + off] << 24) |
+             (bytes[1 + off] << 16) |
+             (bytes[2 + off] << 8) |
+             bytes[3 + off];
+  return res >>> 0;
+};
+
+exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) {
+  bytes[0 + off] = value >>> 24;
+  bytes[1 + off] = (value >>> 16) & 0xff;
+  bytes[2 + off] = (value >>> 8) & 0xff;
+  bytes[3 + off] = value & 0xff;
+};
+
+exports.ip = function ip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.rip = function rip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 0; i < 4; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+  for (var i = 4; i < 8; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.pc1 = function pc1(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  // 7, 15, 23, 31, 39, 47, 55, 63
+  // 6, 14, 22, 30, 39, 47, 55, 63
+  // 5, 13, 21, 29, 39, 47, 55, 63
+  // 4, 12, 20, 28
+  for (var i = 7; i >= 5; i--) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outL <<= 1;
+    outL |= (inR >> (j + i)) & 1;
+  }
+
+  // 1, 9, 17, 25, 33, 41, 49, 57
+  // 2, 10, 18, 26, 34, 42, 50, 58
+  // 3, 11, 19, 27, 35, 43, 51, 59
+  // 36, 44, 52, 60
+  for (var i = 1; i <= 3; i++) {
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outR <<= 1;
+    outR |= (inL >> (j + i)) & 1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.r28shl = function r28shl(num, shift) {
+  return ((num << shift) & 0xfffffff) | (num >>> (28 - shift));
+};
+
+var pc2table = [
+  // inL => outL
+  14, 11, 17, 4, 27, 23, 25, 0,
+  13, 22, 7, 18, 5, 9, 16, 24,
+  2, 20, 12, 21, 1, 8, 15, 26,
+
+  // inR => outR
+  15, 4, 25, 19, 9, 1, 26, 16,
+  5, 11, 23, 8, 12, 7, 17, 0,
+  22, 3, 10, 14, 6, 20, 27, 24
+];
+
+exports.pc2 = function pc2(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  var len = pc2table.length >>> 1;
+  for (var i = 0; i < len; i++) {
+    outL <<= 1;
+    outL |= (inL >>> pc2table[i]) & 0x1;
+  }
+  for (var i = len; i < pc2table.length; i++) {
+    outR <<= 1;
+    outR |= (inR >>> pc2table[i]) & 0x1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.expand = function expand(r, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  outL = ((r & 1) << 5) | (r >>> 27);
+  for (var i = 23; i >= 15; i -= 4) {
+    outL <<= 6;
+    outL |= (r >>> i) & 0x3f;
+  }
+  for (var i = 11; i >= 3; i -= 4) {
+    outR |= (r >>> i) & 0x3f;
+    outR <<= 6;
+  }
+  outR |= ((r & 0x1f) << 1) | (r >>> 31);
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+var sTable = [
+  14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
+  3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
+  4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
+  15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13,
+
+  15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
+  9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
+  0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
+  5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9,
+
+  10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
+  1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
+  13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
+  11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12,
+
+  7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
+  1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
+  10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
+  15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14,
+
+  2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
+  8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
+  4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
+  15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3,
+
+  12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
+  0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
+  9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
+  7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13,
+
+  4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
+  3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
+  1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
+  10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12,
+
+  13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
+  10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
+  7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
+  0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
+];
+
+exports.substitute = function substitute(inL, inR) {
+  var out = 0;
+  for (var i = 0; i < 4; i++) {
+    var b = (inL >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  for (var i = 0; i < 4; i++) {
+    var b = (inR >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[4 * 0x40 + i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  return out >>> 0;
+};
+
+var permuteTable = [
+  16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22,
+  30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7
+];
+
+exports.permute = function permute(num) {
+  var out = 0;
+  for (var i = 0; i < permuteTable.length; i++) {
+    out <<= 1;
+    out |= (num >>> permuteTable[i]) & 0x1;
+  }
+  return out >>> 0;
+};
+
+exports.padSplit = function padSplit(num, size, group) {
+  var str = num.toString(2);
+  while (str.length < size)
+    str = '0' + str;
+
+  var out = [];
+  for (var i = 0; i < size; i += group)
+    out.push(str.slice(i, i + group));
+  return out.join(' ');
+};
diff --git a/node_modules/des.js/package.json b/node_modules/des.js/package.json
new file mode 100644
index 00000000..d397f1f3
--- /dev/null
+++ b/node_modules/des.js/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "des.js",
+  "version": "1.1.0",
+  "description": "DES implementation",
+  "main": "lib/des.js",
+  "scripts": {
+    "test": "NODE_OPTIONS=--openssl-legacy-provider mocha --reporter=spec test/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/des.js.git"
+  },
+  "keywords": [
+    "DES",
+    "3DES",
+    "EDE",
+    "CBC"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/des.js/issues"
+  },
+  "homepage": "https://github.com/indutny/des.js#readme",
+  "devDependencies": {
+    "jshint": "^2.8.0",
+    "mocha": "^10.2.0"
+  },
+  "dependencies": {
+    "inherits": "^2.0.1",
+    "minimalistic-assert": "^1.0.0"
+  }
+}
diff --git a/node_modules/des.js/test/cbc-test.js b/node_modules/des.js/test/cbc-test.js
new file mode 100644
index 00000000..d64a2308
--- /dev/null
+++ b/node_modules/des.js/test/cbc-test.js
@@ -0,0 +1,73 @@
+'use strict';
+
+var assert = require('assert');
+var crypto = require('crypto');
+var Buffer = require('buffer').Buffer;
+
+var des = require('../');
+
+var fixtures = require('./fixtures');
+var bin = fixtures.bin;
+
+describe('DES-CBC', function() {
+  var CBC = des.CBC.instantiate(des.DES);
+
+  describe('encryption/decryption', function() {
+    var vectors = [
+      {
+        key: '133457799bbcdff1',
+        iv: '0102030405060708',
+        input: '0123456789abcdef'
+      },
+      {
+        key: '0000000000000000',
+        iv: 'ffffffffffffffff',
+        input: '0000000000000000'
+      },
+      {
+        key: 'a3a3a3a3b3b3b3b3',
+        iv: 'cdcdcdcdcdcdcdcd',
+        input: 'cccccccccccccccc'
+      },
+      {
+        key: 'deadbeefabbadead',
+        iv: 'a0da0da0da0da0da',
+        input: '0102030405060708090a'
+      },
+      {
+        key: 'aabbccddeeff0011',
+        iv: 'fefefefefefefefe',
+        input: '0102030405060708090a0102030405060708090a0102030405060708090a' +
+               '0102030405060708090a0102030405060607080a0102030405060708090a'
+      }
+    ];
+
+    vectors.forEach(function(vec, i) {
+      it('should encrypt vector ' + i, function() {
+        var key = Buffer.from(vec.key, 'hex');
+        var iv = Buffer.from(vec.iv, 'hex');
+        var input = Buffer.from(vec.input, 'hex');
+
+        var enc = CBC.create({
+          type: 'encrypt',
+          key: key,
+          iv: iv
+        });
+        var out = Buffer.from(enc.update(input).concat(enc.final()));
+
+        var cipher = crypto.createCipheriv('des-cbc', key, iv);
+        var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
+
+        assert.deepEqual(out, expected);
+
+        var dec = CBC.create({
+          type: 'decrypt',
+          key: key,
+          iv: iv
+        });
+        assert.deepEqual(Buffer.from(dec.update(out).concat(dec.final())),
+                         input);
+      });
+    });
+  });
+});
diff --git a/node_modules/des.js/test/des-test.js b/node_modules/des.js/test/des-test.js
new file mode 100644
index 00000000..3c33686f
--- /dev/null
+++ b/node_modules/des.js/test/des-test.js
@@ -0,0 +1,139 @@
+'use strict';
+
+var assert = require('assert');
+var crypto = require('crypto');
+var Buffer = require('buffer').Buffer;
+
+var des = require('../');
+
+var fixtures = require('./fixtures');
+var bin = fixtures.bin;
+
+describe('DES', function() {
+  describe('Key Derivation', function() {
+    it('should derive proper keys', function() {
+      var d = des.DES.create({
+        type: 'encrypt',
+        key: [ 0x13, 0x34, 0x57, 0x79, 0x9B, 0xBC, 0xDF, 0xF1 ]
+      });
+
+      var expected = [
+        '000110 110000 001011 101111',
+        '111111 000111 000001 110010',
+        '011110 011010 111011 011001',
+        '110110 111100 100111 100101',
+        '010101 011111 110010 001010',
+        '010000 101100 111110 011001',
+        '011100 101010 110111 010110',
+        '110110 110011 010100 011101',
+        '011111 001110 110000 000111',
+        '111010 110101 001110 101000',
+        '011000 111010 010100 111110',
+        '010100 000111 101100 101111',
+        '111011 001000 010010 110111',
+        '111101 100001 100010 111100',
+        '111101 111000 101000 111010',
+        '110000 010011 101111 111011',
+        '111000 001101 101111 101011',
+        '111011 011110 011110 000001',
+        '101100 011111 001101 000111',
+        '101110 100100 011001 001111',
+        '001000 010101 111111 010011',
+        '110111 101101 001110 000110',
+        '011101 010111 000111 110101',
+        '100101 000110 011111 101001',
+        '100101 111100 010111 010001',
+        '111110 101011 101001 000001',
+        '010111 110100 001110 110111',
+        '111100 101110 011100 111010',
+        '101111 111001 000110 001101',
+        '001111 010011 111100 001010',
+        '110010 110011 110110 001011',
+        '000011 100001 011111 110101'
+      ];
+
+      expected = expected.map(fixtures.bin);
+      assert.deepEqual(d._desState.keys, expected);
+    });
+  });
+
+  describe('encryption/decryption', function() {
+    var vectors = [
+      {
+        key: '133457799bbcdff1',
+        input: '0123456789abcdef'
+      },
+      {
+        key: '0000000000000000',
+        input: '0000000000000000'
+      },
+      {
+        key: 'a3a3a3a3b3b3b3b3',
+        input: 'cccccccccccccccc'
+      },
+      {
+        key: 'deadbeefabbadead',
+        input: '0102030405060708090a'
+      },
+      {
+        key: 'aabbccddeeff0011',
+        input: '0102030405060708090a0102030405060708090a0102030405060708090a' +
+               '0102030405060708090a0102030405060607080a0102030405060708090a'
+      }
+    ];
+
+    vectors.forEach(function(vec, i) {
+      it('should encrypt vector ' + i, function() {
+        var key = Buffer.from(vec.key, 'hex');
+        var input = Buffer.from(vec.input, 'hex');
+
+        var enc = des.DES.create({
+          type: 'encrypt',
+          key: key
+        });
+        var dec = des.DES.create({
+          type: 'decrypt',
+          key: key
+        });
+        var out = Buffer.from(enc.update(input).concat(enc.final()));
+
+        var cipher = crypto.createCipheriv('des-ecb', key, Buffer.alloc(0));
+        var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
+
+        assert.deepEqual(out, expected);
+
+        assert.deepEqual(Buffer.from(dec.update(out).concat(dec.final())),
+                         input);
+      });
+    });
+
+    it('should buffer during encryption/decryption', function() {
+      var key = Buffer.from('0102030405060708', 'hex');
+      var chunk = Buffer.from('01020304050607', 'hex');
+      var count = 257;
+      var expected = Buffer.from(
+          new Array(count + 1).join('01020304050607'), 'hex');
+
+      var enc = des.DES.create({
+        type: 'encrypt',
+        key: key
+      });
+      var cipher = [];
+      for (var i = 0; i < count; i++)
+        cipher = cipher.concat(enc.update(chunk));
+      cipher = cipher.concat(enc.final());
+
+      var dec = des.DES.create({
+        type: 'decrypt',
+        key: key
+      });
+      var out = [];
+      for (var i = 0; i < count; i++)
+        out = out.concat(dec.update(cipher.slice(i * 7, (i + 1) * 7)));
+      out = out.concat(dec.final(cipher.slice(i * 7)));
+
+      out = Buffer.from(out);
+      assert.deepEqual(out, expected);
+    });
+  });
+});
diff --git a/node_modules/des.js/test/ede-test.js b/node_modules/des.js/test/ede-test.js
new file mode 100644
index 00000000..8654d9a0
--- /dev/null
+++ b/node_modules/des.js/test/ede-test.js
@@ -0,0 +1,106 @@
+'use strict';
+
+var assert = require('assert');
+var crypto = require('crypto');
+var Buffer = require('buffer').Buffer;
+
+var des = require('../');
+
+var fixtures = require('./fixtures');
+var bin = fixtures.bin;
+
+describe('DES-EDE-CBC', function() {
+  var CBC = des.CBC.instantiate(des.EDE);
+
+  describe('encryption/decryption', function() {
+    var vectors = [
+      {
+        key: new Array(4).join('133457799bbcdff1'),
+        iv: '0102030405060708',
+        input: '0123456789abcdef'
+      },
+      {
+        key: new Array(4).join('0000000000000000'),
+        iv: 'ffffffffffffffff',
+        input: '0000000000000000'
+      },
+      {
+        key: new Array(4).join('a3a3a3a3b3b3b3b3'),
+        iv: 'cdcdcdcdcdcdcdcd',
+        input: 'cccccccccccccccc'
+      },
+      {
+        key: new Array(4).join('deadbeefabbadead'),
+        iv: 'a0da0da0da0da0da',
+        input: '0102030405060708090a'
+      },
+      {
+        key: 'aabbccddeeff0011' + '1111222233334444' + 'ffffeeeeddddcccc',
+        iv: 'fefefefefefefefe',
+        input: '0102030405060708090a0102030405060708090a0102030405060708090a' +
+               '0102030405060708090a0102030405060607080a0102030405060708090a'
+      }
+    ];
+
+     vectors.forEach(function(vec, i) {
+      it('should encrypt vector ' + i, function() {
+        var key = Buffer.from(vec.key, 'hex');
+        var iv = Buffer.from(vec.iv, 'hex');
+        var input = Buffer.from(vec.input, 'hex');
+
+        var enc = CBC.create({
+          type: 'encrypt',
+          key: key,
+          iv: iv
+        });
+        var out = Buffer.from(enc.update(input).concat(enc.final()));
+
+        var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
+        var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
+
+        assert.deepEqual(out, expected);
+
+        var dec = CBC.create({
+          type: 'decrypt',
+          key: key,
+          iv: iv
+        });
+        assert.deepEqual(Buffer.from(dec.update(out).concat(dec.final())),
+                         input);
+      });
+    });
+    vectors.forEach(function(vec, i) {
+      it('should decrypt without unpadding vector ' + i, function() {
+        var key = Buffer.from(vec.key, 'hex');
+        var iv = Buffer.from(vec.iv, 'hex');
+        var input = Buffer.from(vec.input, 'hex');
+
+        var enc = CBC.create({
+          type: 'encrypt',
+          key: key,
+          iv: iv,
+        });
+
+        var out = Buffer.from(enc.update(input).concat(enc.final()));
+
+        var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
+        var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
+
+        assert.deepEqual(out, expected);
+
+        var dec = CBC.create({
+          type: 'decrypt',
+          key: key,
+          iv: iv,
+          padding: false
+        });
+
+        var decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
+        decipher.setAutoPadding(false);
+        expected = Buffer.concat([ decipher.update(out), decipher.final() ]);
+        assert.deepEqual(Buffer.from(dec.update(out).concat(dec.final())),
+                         Buffer.from(expected));
+      });
+    });
+  });
+});
diff --git a/node_modules/des.js/test/fixtures.js b/node_modules/des.js/test/fixtures.js
new file mode 100644
index 00000000..fe8ccd8b
--- /dev/null
+++ b/node_modules/des.js/test/fixtures.js
@@ -0,0 +1,5 @@
+'use strict';
+
+exports.bin = function bin(str) {
+  return parseInt(str.replace(/[^01]/g, ''), 2);
+}
diff --git a/node_modules/des.js/test/utils-test.js b/node_modules/des.js/test/utils-test.js
new file mode 100644
index 00000000..4c576de0
--- /dev/null
+++ b/node_modules/des.js/test/utils-test.js
@@ -0,0 +1,169 @@
+'use strict';
+
+var assert = require('assert');
+
+var des = require('../');
+var utils = des.utils;
+
+var fixtures = require('./fixtures');
+var bin = fixtures.bin;
+
+describe('utils', function() {
+  describe('IP', function() {
+    it('should permute properly', function() {
+      var out = new Array(2);
+      var inp = [
+        bin('00000001 00100011 01000101 01100111'),
+        bin('10001001 10101011 11001101 11101111')
+      ];
+
+      utils.ip(inp[0], inp[1], out, 0);
+
+      var expected = [
+        bin('11001100 00000000 11001100 11111111'),
+        bin('11110000 10101010 11110000 10101010')
+      ];
+
+      assert.deepEqual(out, expected);
+    });
+
+    it('should rev-permute properly', function() {
+      var out = new Array(2);
+      var inp = [
+        bin('11001100 00000000 11001100 11111111'),
+        bin('11110000 10101010 11110000 10101010')
+      ];
+
+      utils.rip(inp[0], inp[1], out, 0);
+
+      var expected = [
+        bin('00000001 00100011 01000101 01100111'),
+        bin('10001001 10101011 11001101 11101111')
+      ];
+
+      assert.deepEqual(out, expected);
+    });
+  });
+
+  describe('PC1', function() {
+    it('should permute properly', function() {
+      var out = new Array(2);
+      var inp = [
+        bin('00010011 00110100 01010111 01111001'),
+        bin('10011011 10111100 11011111 11110001')
+      ];
+
+      utils.pc1(inp[0], inp[1], out, 0);
+
+      var expected = [
+        bin('1111000 0110011 0010101 0101111'),
+        bin('0101010 1011001 1001111 0001111')
+      ];
+
+      assert.deepEqual(out, expected);
+    });
+  });
+
+  describe('r28shl', function() {
+    it('should shl properly', function() {
+      assert.equal(utils.r28shl(bin('1111000011001100101010101111'), 1),
+                   bin('1110000110011001010101011111'));
+
+      assert.equal(utils.r28shl(bin('0101010101100110011110001111'), 1),
+                   bin('1010101011001100111100011110'));
+
+      assert.equal(utils.r28shl(bin('1111000011001100101010101111'), 4),
+                   bin('0000110011001010101011111111'));
+
+      assert.equal(utils.r28shl(bin('0101010101100110011110001111'), 4),
+                   bin('0101011001100111100011110101'));
+    });
+  });
+
+  describe('PC2', function() {
+    it('should permute properly', function() {
+      var out = new Array(2);
+      var inp = [
+        bin('1110000 1100110 0101010 1011111'),
+        bin('1010101 0110011 0011110 0011110')
+      ];
+
+      utils.pc2(inp[0], inp[1], out, 0);
+
+      var expected = [
+        bin('000110 110000 001011 101111'),
+        bin('111111 000111 000001 110010')
+      ];
+
+      assert.deepEqual(out, expected);
+    });
+  });
+
+  describe('readUInt32BE', function() {
+    it('should read number properly', function() {
+      var a = [ 0xde, 0xad, 0xbe, 0xef ];
+      var o = utils.readUInt32BE(a, 0);
+      assert.equal(o, 0xdeadbeef);
+    });
+  });
+
+  describe('writeUInt32BE', function() {
+    it('should read number properly', function() {
+      var a = [ 0, 0, 0, 0 ];
+      utils.writeUInt32BE(a, 0xdeadbeef, 0);
+      var expected = [ 0xde, 0xad, 0xbe, 0xef ];
+      assert.deepEqual(a, expected);
+    });
+  });
+
+  describe('expand', function() {
+    it('should expand', function() {
+      var out = [ 0, 0 ];
+      utils.expand(bin('1111 0000 1010 1010 1111 0000 1010 1010'), out, 0);
+      var expected = [
+        bin('011110 100001 010101 010101'),
+        bin('011110 100001 010101 010101')
+      ];
+      assert.deepEqual(out, expected);
+    });
+
+    it('should expand with low 1', function() {
+      var out = [ 0, 0 ];
+      utils.expand(bin('1111 0000 1010 1010 1111 0000 1010 1011'), out, 0);
+      var expected = [
+        bin('111110 100001 010101 010101'),
+        bin('011110 100001 010101 010111')
+      ];
+      assert.deepEqual(out, expected);
+    });
+
+    it('should expand with low 1', function() {
+      var out = [ 0, 0 ];
+      utils.expand(bin('10100010 01011100 00001011 11110100'), out, 0);
+      var expected = [
+        bin('010100 000100 001011 111000'),
+        bin('000001 010111 111110 101001')
+      ];
+      assert.deepEqual(out, expected);
+    });
+  });
+
+  describe('substitute', function() {
+    it('should substitute', function() {
+      var input = [
+        bin('011000 010001 011110 111010'),
+        bin('100001 100110 010100 100111')
+      ];
+      var output = utils.substitute(input[0], input[1]);
+      assert.equal(output, bin('0101 1100 1000 0010 1011 0101 1001 0111'));
+    });
+  });
+
+  describe('permute', function() {
+    it('should permute', function() {
+      var output = utils.permute(
+          bin('0101 1100 1000 0010 1011 0101 1001 0111'));
+      assert.equal(output, bin('0010 0011 0100 1010 1010 1001 1011 1011'));
+    });
+  });
+});
diff --git a/node_modules/diffie-hellman/.travis.yml b/node_modules/diffie-hellman/.travis.yml
new file mode 100644
index 00000000..0dda2731
--- /dev/null
+++ b/node_modules/diffie-hellman/.travis.yml
@@ -0,0 +1,10 @@
+language: node_js
+node_js:
+  - "0.11"
+  - "0.10"
+  - "0.12"
+  - "1"
+  - "2"
+  - "3"
+  - "4"
+sudo: false
diff --git a/node_modules/diffie-hellman/LICENSE b/node_modules/diffie-hellman/LICENSE
new file mode 100644
index 00000000..c9ddc0fe
--- /dev/null
+++ b/node_modules/diffie-hellman/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017 Calvin Metcalf
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/diffie-hellman/browser.js b/node_modules/diffie-hellman/browser.js
new file mode 100644
index 00000000..d4be92bb
--- /dev/null
+++ b/node_modules/diffie-hellman/browser.js
@@ -0,0 +1,42 @@
+var generatePrime = require('./lib/generatePrime')
+var primes = require('./lib/primes.json')
+
+var DH = require('./lib/dh')
+
+function getDiffieHellman (mod) {
+  var prime = new Buffer(primes[mod].prime, 'hex')
+  var gen = new Buffer(primes[mod].gen, 'hex')
+
+  return new DH(prime, gen)
+}
+
+var ENCODINGS = {
+  'binary': true, 'hex': true, 'base64': true
+}
+
+function createDiffieHellman (prime, enc, generator, genc) {
+  if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) {
+    return createDiffieHellman(prime, 'binary', enc, generator)
+  }
+
+  enc = enc || 'binary'
+  genc = genc || 'binary'
+  generator = generator || new Buffer([2])
+
+  if (!Buffer.isBuffer(generator)) {
+    generator = new Buffer(generator, genc)
+  }
+
+  if (typeof prime === 'number') {
+    return new DH(generatePrime(prime, generator), generator, true)
+  }
+
+  if (!Buffer.isBuffer(prime)) {
+    prime = new Buffer(prime, enc)
+  }
+
+  return new DH(prime, generator, true)
+}
+
+exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman
+exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman
diff --git a/node_modules/diffie-hellman/index.js b/node_modules/diffie-hellman/index.js
new file mode 100644
index 00000000..ab7c40fe
--- /dev/null
+++ b/node_modules/diffie-hellman/index.js
@@ -0,0 +1,10 @@
+var crypto = require('crypto')
+
+// getDiffieHellman
+exports.DiffieHellmanGroup = crypto.DiffieHellmanGroup
+exports.createDiffieHellmanGroup = crypto.createDiffieHellmanGroup
+exports.getDiffieHellman = crypto.getDiffieHellman
+
+// createDiffieHellman
+exports.createDiffieHellman = crypto.createDiffieHellman
+exports.DiffieHellman = crypto.DiffieHellman
diff --git a/node_modules/diffie-hellman/lib/dh.js b/node_modules/diffie-hellman/lib/dh.js
new file mode 100644
index 00000000..0650f65d
--- /dev/null
+++ b/node_modules/diffie-hellman/lib/dh.js
@@ -0,0 +1,164 @@
+var BN = require('bn.js');
+var MillerRabin = require('miller-rabin');
+var millerRabin = new MillerRabin();
+var TWENTYFOUR = new BN(24);
+var ELEVEN = new BN(11);
+var TEN = new BN(10);
+var THREE = new BN(3);
+var SEVEN = new BN(7);
+var primes = require('./generatePrime');
+var randomBytes = require('randombytes');
+module.exports = DH;
+
+function setPublicKey(pub, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(pub)) {
+    pub = new Buffer(pub, enc);
+  }
+  this._pub = new BN(pub);
+  return this;
+}
+
+function setPrivateKey(priv, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(priv)) {
+    priv = new Buffer(priv, enc);
+  }
+  this._priv = new BN(priv);
+  return this;
+}
+
+var primeCache = {};
+function checkPrime(prime, generator) {
+  var gen = generator.toString('hex');
+  var hex = [gen, prime.toString(16)].join('_');
+  if (hex in primeCache) {
+    return primeCache[hex];
+  }
+  var error = 0;
+
+  if (prime.isEven() ||
+    !primes.simpleSieve ||
+    !primes.fermatTest(prime) ||
+    !millerRabin.test(prime)) {
+    //not a prime so +1
+    error += 1;
+
+    if (gen === '02' || gen === '05') {
+      // we'd be able to check the generator
+      // it would fail so +8
+      error += 8;
+    } else {
+      //we wouldn't be able to test the generator
+      // so +4
+      error += 4;
+    }
+    primeCache[hex] = error;
+    return error;
+  }
+  if (!millerRabin.test(prime.shrn(1))) {
+    //not a safe prime
+    error += 2;
+  }
+  var rem;
+  switch (gen) {
+    case '02':
+      if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) {
+        // unsuidable generator
+        error += 8;
+      }
+      break;
+    case '05':
+      rem = prime.mod(TEN);
+      if (rem.cmp(THREE) && rem.cmp(SEVEN)) {
+        // prime mod 10 needs to equal 3 or 7
+        error += 8;
+      }
+      break;
+    default:
+      error += 4;
+  }
+  primeCache[hex] = error;
+  return error;
+}
+
+function DH(prime, generator, malleable) {
+  this.setGenerator(generator);
+  this.__prime = new BN(prime);
+  this._prime = BN.mont(this.__prime);
+  this._primeLen = prime.length;
+  this._pub = undefined;
+  this._priv = undefined;
+  this._primeCode = undefined;
+  if (malleable) {
+    this.setPublicKey = setPublicKey;
+    this.setPrivateKey = setPrivateKey;
+  } else {
+    this._primeCode = 8;
+  }
+}
+Object.defineProperty(DH.prototype, 'verifyError', {
+  enumerable: true,
+  get: function () {
+    if (typeof this._primeCode !== 'number') {
+      this._primeCode = checkPrime(this.__prime, this.__gen);
+    }
+    return this._primeCode;
+  }
+});
+DH.prototype.generateKeys = function () {
+  if (!this._priv) {
+    this._priv = new BN(randomBytes(this._primeLen));
+  }
+  this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed();
+  return this.getPublicKey();
+};
+
+DH.prototype.computeSecret = function (other) {
+  other = new BN(other);
+  other = other.toRed(this._prime);
+  var secret = other.redPow(this._priv).fromRed();
+  var out = new Buffer(secret.toArray());
+  var prime = this.getPrime();
+  if (out.length < prime.length) {
+    var front = new Buffer(prime.length - out.length);
+    front.fill(0);
+    out = Buffer.concat([front, out]);
+  }
+  return out;
+};
+
+DH.prototype.getPublicKey = function getPublicKey(enc) {
+  return formatReturnValue(this._pub, enc);
+};
+
+DH.prototype.getPrivateKey = function getPrivateKey(enc) {
+  return formatReturnValue(this._priv, enc);
+};
+
+DH.prototype.getPrime = function (enc) {
+  return formatReturnValue(this.__prime, enc);
+};
+
+DH.prototype.getGenerator = function (enc) {
+  return formatReturnValue(this._gen, enc);
+};
+
+DH.prototype.setGenerator = function (gen, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(gen)) {
+    gen = new Buffer(gen, enc);
+  }
+  this.__gen = gen;
+  this._gen = new BN(gen);
+  return this;
+};
+
+function formatReturnValue(bn, enc) {
+  var buf = new Buffer(bn.toArray());
+  if (!enc) {
+    return buf;
+  } else {
+    return buf.toString(enc);
+  }
+}
diff --git a/node_modules/diffie-hellman/lib/generatePrime.js b/node_modules/diffie-hellman/lib/generatePrime.js
new file mode 100644
index 00000000..32e053cf
--- /dev/null
+++ b/node_modules/diffie-hellman/lib/generatePrime.js
@@ -0,0 +1,105 @@
+var randomBytes = require('randombytes');
+module.exports = findPrime;
+findPrime.simpleSieve = simpleSieve;
+findPrime.fermatTest = fermatTest;
+var BN = require('bn.js');
+var TWENTYFOUR = new BN(24);
+var MillerRabin = require('miller-rabin');
+var millerRabin = new MillerRabin();
+var ONE = new BN(1);
+var TWO = new BN(2);
+var FIVE = new BN(5);
+var SIXTEEN = new BN(16);
+var EIGHT = new BN(8);
+var TEN = new BN(10);
+var THREE = new BN(3);
+var SEVEN = new BN(7);
+var ELEVEN = new BN(11);
+var FOUR = new BN(4);
+var TWELVE = new BN(12);
+var primes = null;
+
+function _getPrimes() {
+  if (primes !== null)
+    return primes;
+
+  var limit = 0x100000;
+  var res = [];
+  res[0] = 2;
+  for (var i = 1, k = 3; k < limit; k += 2) {
+    var sqrt = Math.ceil(Math.sqrt(k));
+    for (var j = 0; j < i && res[j] <= sqrt; j++)
+      if (k % res[j] === 0)
+        break;
+
+    if (i !== j && res[j] <= sqrt)
+      continue;
+
+    res[i++] = k;
+  }
+  primes = res;
+  return res;
+}
+
+function simpleSieve(p) {
+  var primes = _getPrimes();
+
+  for (var i = 0; i < primes.length; i++)
+    if (p.modn(primes[i]) === 0) {
+      if (p.cmpn(primes[i]) === 0) {
+        return true;
+      } else {
+        return false;
+      }
+    }
+
+  return true;
+}
+
+function fermatTest(p) {
+  var red = BN.mont(p);
+  return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0;
+}
+
+function findPrime(bits, gen) {
+  if (bits < 16) {
+    // this is what openssl does
+    if (gen === 2 || gen === 5) {
+      return new BN([0x8c, 0x7b]);
+    } else {
+      return new BN([0x8c, 0x27]);
+    }
+  }
+  gen = new BN(gen);
+
+  var num, n2;
+
+  while (true) {
+    num = new BN(randomBytes(Math.ceil(bits / 8)));
+    while (num.bitLength() > bits) {
+      num.ishrn(1);
+    }
+    if (num.isEven()) {
+      num.iadd(ONE);
+    }
+    if (!num.testn(1)) {
+      num.iadd(TWO);
+    }
+    if (!gen.cmp(TWO)) {
+      while (num.mod(TWENTYFOUR).cmp(ELEVEN)) {
+        num.iadd(FOUR);
+      }
+    } else if (!gen.cmp(FIVE)) {
+      while (num.mod(TEN).cmp(THREE)) {
+        num.iadd(FOUR);
+      }
+    }
+    n2 = num.shrn(1);
+    if (simpleSieve(n2) && simpleSieve(num) &&
+      fermatTest(n2) && fermatTest(num) &&
+      millerRabin.test(n2) && millerRabin.test(num)) {
+      return num;
+    }
+  }
+
+}
diff --git a/node_modules/diffie-hellman/lib/primes.json b/node_modules/diffie-hellman/lib/primes.json
new file mode 100644
index 00000000..9fef6c96
--- /dev/null
+++ b/node_modules/diffie-hellman/lib/primes.json
@@ -0,0 +1,34 @@
+{
+    "modp1": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"
+    },
+    "modp2": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"
+    },
+    "modp5": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"
+    },
+    "modp14": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca18217c32905e462e36ce3be39e772c180e86039b2783a2ec07a28fb5c55df06f4c52c9de2bcbf6955817183995497cea956ae515d2261898fa051015728e5a8aacaa68ffffffffffffffff"
+    },
+    "modp15": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp16": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp17": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp18": {
+        "gen": "02",
+        "prime": "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"
+    }
+}
\ No newline at end of file
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/LICENSE b/node_modules/diffie-hellman/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/README.md b/node_modules/diffie-hellman/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js b/node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/package.json b/node_modules/diffie-hellman/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo.js b/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/diffie-hellman/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/diffie-hellman/package.json b/node_modules/diffie-hellman/package.json
new file mode 100644
index 00000000..054e36ab
--- /dev/null
+++ b/node_modules/diffie-hellman/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "diffie-hellman",
+  "version": "5.0.3",
+  "description": "pure js diffie-hellman",
+  "main": "index.js",
+  "browser": "browser.js",
+  "scripts": {
+    "test": "node test.js | tspec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/diffie-hellman.git"
+  },
+  "keywords": [
+    "diffie",
+    "hellman",
+    "diffiehellman",
+    "dh"
+  ],
+  "author": "Calvin Metcalf",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/diffie-hellman/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/diffie-hellman",
+  "dependencies": {
+    "bn.js": "^4.1.0",
+    "miller-rabin": "^4.0.0",
+    "randombytes": "^2.0.0"
+  },
+  "devDependencies": {
+    "tap-spec": "^1.0.1",
+    "tape": "^3.0.1"
+  }
+}
diff --git a/node_modules/diffie-hellman/readme.md b/node_modules/diffie-hellman/readme.md
new file mode 100644
index 00000000..afba499d
--- /dev/null
+++ b/node_modules/diffie-hellman/readme.md
@@ -0,0 +1,4 @@
+diffie hellman [![Build Status](https://travis-ci.org/crypto-browserify/diffie-hellman.svg)](https://travis-ci.org/crypto-browserify/diffie-hellman)
+====
+
+pure js diffie-hellman, same api as node, most hard parts thanks to [bn.js](https://www.npmjs.org/package/bn.js) by [@indutny](https://github.com/indutny).  In node just returns an object with `crypto.createDiffieHellman` and `crypto.getDiffieHellman` in the browser returns a shim. To require the pure JavaScript one in node `require('diffie-hellman/browser');`;
\ No newline at end of file
diff --git a/node_modules/domain-browser/HISTORY.md b/node_modules/domain-browser/HISTORY.md
new file mode 100644
index 00000000..b4a285d4
--- /dev/null
+++ b/node_modules/domain-browser/HISTORY.md
@@ -0,0 +1,46 @@
+# History
+
+## v1.2.0 2018 January 26
+- `index.js` is now located at `source/index.js`
+- Updated base files
+
+## v1.1.7 2015 December 12
+- Revert minimum node version from 0.12 back to 0.4
+    - Thanks to [Alexander Sorokin](https://github.com/syrnick) for [this comment](https://github.com/bevry/domain-browser/commit/c66ee3445e87955e70d0d60d4515f2d26a81b9c4#commitcomment-14938325)
+
+## v1.1.6 2015 December 12
+- Fixed `assert-helpers` sneaking into `dependencies`
+    - Thanks to [Bogdan Chadkin](https://github.com/TrySound) for [Pull Request #8](https://github.com/bevry/domain-browser/pull/8)
+
+## v1.1.5 2015 December 9
+- Updated internal conventions
+- Added better jspm support
+    - Thanks to [Guy Bedford](https://github.com/guybedford) for [Pull Request #7](https://github.com/bevry/domain-browser/pull/7)
+
+## v1.1.4 2015 February 3
+- Added
+    - `domain.enter()`
+    - `domain.exit()`
+    - `domain.bind()`
+    - `domain.intercept()`
+
+## v1.1.3 2014 October 10
+- Added
+    - `domain.add()`
+    - `domain.remove()`
+
+## v1.1.2 2014 June 8
+- Added `domain.createDomain()` alias
+    - Thanks to [James Halliday](https://github.com/substack) for [Pull Request #1](https://github.com/bevry/domain-browser/pull/1)
+
+## v1.1.1 2013 December 27
+- Fixed `domain.create()` not returning anything
+
+## v1.1.0 2013 November 1
+- Dropped component.io and bower support, just use ender or browserify
+
+## v1.0.1 2013 September 18
+- Now called `domain-browser` everywhere
+
+## v1.0.0 2013 September 18
+- Initial release
diff --git a/node_modules/domain-browser/LICENSE.md b/node_modules/domain-browser/LICENSE.md
new file mode 100644
index 00000000..08d8802a
--- /dev/null
+++ b/node_modules/domain-browser/LICENSE.md
@@ -0,0 +1,23 @@
+<!-- LICENSEFILE/ -->
+
+<h1>License</h1>
+
+Unless stated otherwise all works are:
+
+<ul><li>Copyright &copy; 2013+ <a href="http://bevry.me">Bevry Pty Ltd</a></li></ul>
+
+and licensed under:
+
+<ul><li><a href="http://spdx.org/licenses/MIT.html">MIT License</a></li></ul>
+
+<h2>MIT License</h2>
+
+<pre>
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+</pre>
+
+<!-- /LICENSEFILE -->
diff --git a/node_modules/domain-browser/README.md b/node_modules/domain-browser/README.md
new file mode 100644
index 00000000..68c936bb
--- /dev/null
+++ b/node_modules/domain-browser/README.md
@@ -0,0 +1,121 @@
+<!-- TITLE/ -->
+
+<h1>domain-browser</h1>
+
+<!-- /TITLE -->
+
+
+<!-- BADGES/ -->
+
+<span class="badge-travisci"><a href="http://travis-ci.org/bevry/domain-browser" title="Check this project's build status on TravisCI"><img src="https://img.shields.io/travis/bevry/domain-browser/master.svg" alt="Travis CI Build Status" /></a></span>
+<span class="badge-npmversion"><a href="https://npmjs.org/package/domain-browser" title="View this project on NPM"><img src="https://img.shields.io/npm/v/domain-browser.svg" alt="NPM version" /></a></span>
+<span class="badge-npmdownloads"><a href="https://npmjs.org/package/domain-browser" title="View this project on NPM"><img src="https://img.shields.io/npm/dm/domain-browser.svg" alt="NPM downloads" /></a></span>
+<span class="badge-daviddm"><a href="https://david-dm.org/bevry/domain-browser" title="View the status of this project's dependencies on DavidDM"><img src="https://img.shields.io/david/bevry/domain-browser.svg" alt="Dependency Status" /></a></span>
+<span class="badge-daviddmdev"><a href="https://david-dm.org/bevry/domain-browser#info=devDependencies" title="View the status of this project's development dependencies on DavidDM"><img src="https://img.shields.io/david/dev/bevry/domain-browser.svg" alt="Dev Dependency Status" /></a></span>
+<br class="badge-separator" />
+<span class="badge-patreon"><a href="https://patreon.com/bevry" title="Donate to this project using Patreon"><img src="https://img.shields.io/badge/patreon-donate-yellow.svg" alt="Patreon donate button" /></a></span>
+<span class="badge-opencollective"><a href="https://opencollective.com/bevry" title="Donate to this project using Open Collective"><img src="https://img.shields.io/badge/open%20collective-donate-yellow.svg" alt="Open Collective donate button" /></a></span>
+<span class="badge-gratipay"><a href="https://www.gratipay.com/bevry" title="Donate weekly to this project using Gratipay"><img src="https://img.shields.io/badge/gratipay-donate-yellow.svg" alt="Gratipay donate button" /></a></span>
+<span class="badge-flattr"><a href="https://flattr.com/profile/balupton" title="Donate to this project using Flattr"><img src="https://img.shields.io/badge/flattr-donate-yellow.svg" alt="Flattr donate button" /></a></span>
+<span class="badge-paypal"><a href="https://bevry.me/paypal" title="Donate to this project using Paypal"><img src="https://img.shields.io/badge/paypal-donate-yellow.svg" alt="PayPal donate button" /></a></span>
+<span class="badge-bitcoin"><a href="https://bevry.me/bitcoin" title="Donate once-off to this project using Bitcoin"><img src="https://img.shields.io/badge/bitcoin-donate-yellow.svg" alt="Bitcoin donate button" /></a></span>
+<span class="badge-wishlist"><a href="https://bevry.me/wishlist" title="Buy an item on our wishlist for us"><img src="https://img.shields.io/badge/wishlist-donate-yellow.svg" alt="Wishlist browse button" /></a></span>
+<br class="badge-separator" />
+<span class="badge-slackin"><a href="https://slack.bevry.me" title="Join this project's slack community"><img src="https://slack.bevry.me/badge.svg" alt="Slack community badge" /></a></span>
+
+<!-- /BADGES -->
+
+
+<!-- DESCRIPTION/ -->
+
+Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.
+
+<!-- /DESCRIPTION -->
+
+
+<!-- INSTALL/ -->
+
+<h2>Install</h2>
+
+<a href="https://npmjs.com" title="npm is a package manager for javascript"><h3>NPM</h3></a><ul>
+<li>Install: <code>npm install --save domain-browser</code></li>
+<li>Module: <code>require('domain-browser')</code></li></ul>
+
+<a href="http://browserify.org" title="Browserify lets you require('modules') in the browser by bundling up all of your dependencies"><h3>Browserify</h3></a><ul>
+<li>Install: <code>npm install --save domain-browser</code></li>
+<li>Module: <code>require('domain-browser')</code></li>
+<li>CDN URL: <code>//wzrd.in/bundle/domain-browser@1.2.0</code></li></ul>
+
+<a href="http://enderjs.com" title="Ender is a full featured package manager for your browser"><h3>Ender</h3></a><ul>
+<li>Install: <code>ender add domain-browser</code></li>
+<li>Module: <code>require('domain-browser')</code></li></ul>
+
+<h3><a href="https://github.com/bevry/editions" title="Editions are the best way to produce and consume packages you care about.">Editions</a></h3>
+
+<p>This package is published with the following editions:</p>
+
+<ul><li><code>domain-browser</code> aliases <code>domain-browser/source/index.js</code></li>
+<li><code>domain-browser/source/index.js</code> is Source + ES5 + <a href="https://nodejs.org/dist/latest-v5.x/docs/api/modules.html" title="Node/CJS Modules">Require</a></li></ul>
+
+<!-- /INSTALL -->
+
+
+<!-- HISTORY/ -->
+
+<h2>History</h2>
+
+<a href="https://github.com/bevry/domain-browser/blob/master/HISTORY.md#files">Discover the release history by heading on over to the <code>HISTORY.md</code> file.</a>
+
+<!-- /HISTORY -->
+
+
+<!-- BACKERS/ -->
+
+<h2>Backers</h2>
+
+<h3>Maintainers</h3>
+
+These amazing people are maintaining this project:
+
+<ul><li><a href="http://balupton.com">Benjamin Lupton</a> — <a href="https://github.com/bevry/domain-browser/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/domain-browser">view contributions</a></li></ul>
+
+<h3>Sponsors</h3>
+
+No sponsors yet! Will you be the first?
+
+<span class="badge-patreon"><a href="https://patreon.com/bevry" title="Donate to this project using Patreon"><img src="https://img.shields.io/badge/patreon-donate-yellow.svg" alt="Patreon donate button" /></a></span>
+<span class="badge-opencollective"><a href="https://opencollective.com/bevry" title="Donate to this project using Open Collective"><img src="https://img.shields.io/badge/open%20collective-donate-yellow.svg" alt="Open Collective donate button" /></a></span>
+<span class="badge-gratipay"><a href="https://www.gratipay.com/bevry" title="Donate weekly to this project using Gratipay"><img src="https://img.shields.io/badge/gratipay-donate-yellow.svg" alt="Gratipay donate button" /></a></span>
+<span class="badge-flattr"><a href="https://flattr.com/profile/balupton" title="Donate to this project using Flattr"><img src="https://img.shields.io/badge/flattr-donate-yellow.svg" alt="Flattr donate button" /></a></span>
+<span class="badge-paypal"><a href="https://bevry.me/paypal" title="Donate to this project using Paypal"><img src="https://img.shields.io/badge/paypal-donate-yellow.svg" alt="PayPal donate button" /></a></span>
+<span class="badge-bitcoin"><a href="https://bevry.me/bitcoin" title="Donate once-off to this project using Bitcoin"><img src="https://img.shields.io/badge/bitcoin-donate-yellow.svg" alt="Bitcoin donate button" /></a></span>
+<span class="badge-wishlist"><a href="https://bevry.me/wishlist" title="Buy an item on our wishlist for us"><img src="https://img.shields.io/badge/wishlist-donate-yellow.svg" alt="Wishlist browse button" /></a></span>
+
+<h3>Contributors</h3>
+
+These amazing people have contributed code to this project:
+
+<ul><li><a href="http://balupton.com">Benjamin Lupton</a> — <a href="https://github.com/bevry/domain-browser/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/domain-browser">view contributions</a></li>
+<li><a href="http://evansolomon.me">Evan Solomon</a> — <a href="https://github.com/bevry/domain-browser/commits?author=evansolomon" title="View the GitHub contributions of Evan Solomon on repository bevry/domain-browser">view contributions</a></li>
+<li><a href="http://substack.neocities.org/">James Halliday</a> — <a href="https://github.com/bevry/domain-browser/commits?author=substack" title="View the GitHub contributions of James Halliday on repository bevry/domain-browser">view contributions</a></li>
+<li><a href="twitter.com/guybedford">Guy Bedford</a> — <a href="https://github.com/bevry/domain-browser/commits?author=guybedford" title="View the GitHub contributions of Guy Bedford on repository bevry/domain-browser">view contributions</a></li>
+<li><a href="https://github.com/TrySound">Bogdan Chadkin</a> — <a href="https://github.com/bevry/domain-browser/commits?author=TrySound" title="View the GitHub contributions of Bogdan Chadkin on repository bevry/domain-browser">view contributions</a></li></ul>
+
+<a href="https://github.com/bevry/domain-browser/blob/master/CONTRIBUTING.md#files">Discover how you can contribute by heading on over to the <code>CONTRIBUTING.md</code> file.</a>
+
+<!-- /BACKERS -->
+
+
+<!-- LICENSE/ -->
+
+<h2>License</h2>
+
+Unless stated otherwise all works are:
+
+<ul><li>Copyright &copy; 2013+ <a href="http://bevry.me">Bevry Pty Ltd</a></li></ul>
+
+and licensed under:
+
+<ul><li><a href="http://spdx.org/licenses/MIT.html">MIT License</a></li></ul>
+
+<!-- /LICENSE -->
diff --git a/node_modules/domain-browser/package.json b/node_modules/domain-browser/package.json
new file mode 100644
index 00000000..6f5d40fe
--- /dev/null
+++ b/node_modules/domain-browser/package.json
@@ -0,0 +1,120 @@
+{
+  "name": "domain-browser",
+  "version": "1.2.0",
+  "description": "Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.",
+  "homepage": "https://github.com/bevry/domain-browser",
+  "license": "MIT",
+  "keywords": [
+    "domain",
+    "trycatch",
+    "try",
+    "catch",
+    "node-compat",
+    "ender.js",
+    "component",
+    "component.io",
+    "umd",
+    "amd",
+    "require.js",
+    "browser"
+  ],
+  "badges": {
+    "list": [
+      "travisci",
+      "npmversion",
+      "npmdownloads",
+      "daviddm",
+      "daviddmdev",
+      "---",
+      "patreon",
+      "opencollective",
+      "gratipay",
+      "flattr",
+      "paypal",
+      "bitcoin",
+      "wishlist",
+      "---",
+      "slackin"
+    ],
+    "config": {
+      "patreonUsername": "bevry",
+      "opencollectiveUsername": "bevry",
+      "gratipayUsername": "bevry",
+      "flattrUsername": "balupton",
+      "paypalURL": "https://bevry.me/paypal",
+      "bitcoinURL": "https://bevry.me/bitcoin",
+      "wishlistURL": "https://bevry.me/wishlist",
+      "slackinURL": "https://slack.bevry.me"
+    }
+  },
+  "author": "2013+ Bevry Pty Ltd <us@bevry.me> (http://bevry.me)",
+  "maintainers": [
+    "Benjamin Lupton <b@lupton.cc> (http://balupton.com)"
+  ],
+  "contributors": [
+    "Benjamin Lupton <b@lupton.cc> (http://balupton.com)",
+    "Evan Solomon (http://evansolomon.me)",
+    "James Halliday <substack@gmail.com> (http://substack.neocities.org/)",
+    "Guy Bedford <guybedford@gmail.com> (twitter.com/guybedford)",
+    "Bogdan Chadkin <trysound@yandex.ru> (https://github.com/TrySound)"
+  ],
+  "bugs": {
+    "url": "https://github.com/bevry/domain-browser/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bevry/domain-browser.git"
+  },
+  "engines": {
+    "node": ">=0.4",
+    "npm": ">=1.2"
+  },
+  "editions": [
+    {
+      "description": "Source + ES5 + Require",
+      "directory": "source",
+      "entry": "index.js",
+      "syntaxes": [
+        "javascript",
+        "es5",
+        "require"
+      ]
+    }
+  ],
+  "main": "source/index.js",
+  "browser": "source/index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "assert-helpers": "^4.5.0",
+    "eslint": "^4.16.0",
+    "joe": "^2.0.2",
+    "joe-reporter-console": "^2.0.1",
+    "projectz": "^1.4.0"
+  },
+  "scripts": {
+    "our:setup": "npm run our:setup:npm",
+    "our:setup:npm": "npm install",
+    "our:clean": "rm -Rf ./docs ./es2015 ./es5 ./out",
+    "our:compile": "echo no need for this project",
+    "our:meta": "npm run our:meta:projectz",
+    "our:meta:projectz": "projectz compile",
+    "our:verify": "npm run our:verify:eslint",
+    "our:verify:eslint": "eslint --fix ./source",
+    "our:test": "npm run our:verify && npm test",
+    "our:release": "npm run our:release:prepare && npm run our:release:check && npm run our:release:tag && npm run our:release:push",
+    "our:release:prepare": "npm run our:clean && npm run our:compile && npm run our:test && npm run our:meta",
+    "our:release:check": "npm run our:release:check:changelog && npm run our:release:check:dirty",
+    "our:release:check:changelog": "cat ./HISTORY.md | grep v$npm_package_version || (echo add a changelog entry for v$npm_package_version && exit -1)",
+    "our:release:check:dirty": "git diff --exit-code",
+    "our:release:tag": "export MESSAGE=$(cat ./HISTORY.md | sed -n \"/## v$npm_package_version/,/##/p\" | sed 's/## //' | awk 'NR>1{print buf}{buf = $0}') && test \"$MESSAGE\" || (echo 'proper changelog entry not found' && exit -1) && git tag v$npm_package_version -am \"$MESSAGE\"",
+    "our:release:push": "git push origin master && git push origin --tags",
+    "test": "node --harmony source/test.js --joe-reporter=console"
+  },
+  "jspm": {
+    "map": {
+      "source/index.js": {
+        "node": "@node/domain"
+      }
+    }
+  }
+}
diff --git a/node_modules/domain-browser/source/index.js b/node_modules/domain-browser/source/index.js
new file mode 100644
index 00000000..e06b3a17
--- /dev/null
+++ b/node_modules/domain-browser/source/index.js
@@ -0,0 +1,70 @@
+// This file should be ES5 compatible
+/* eslint prefer-spread:0, no-var:0, prefer-reflect:0, no-magic-numbers:0 */
+'use strict'
+
+module.exports = (function () {
+	// Import Events
+	var events = require('events')
+
+	// Export Domain
+	var domain = {}
+	domain.createDomain = domain.create = function () {
+		var d = new events.EventEmitter()
+
+		function emitError (e) {
+			d.emit('error', e)
+		}
+
+		d.add = function (emitter) {
+			emitter.on('error', emitError)
+		}
+		d.remove = function (emitter) {
+			emitter.removeListener('error', emitError)
+		}
+		d.bind = function (fn) {
+			return function () {
+				var args = Array.prototype.slice.call(arguments)
+				try {
+					fn.apply(null, args)
+				}
+				catch (err) {
+					emitError(err)
+				}
+			}
+		}
+		d.intercept = function (fn) {
+			return function (err) {
+				if ( err ) {
+					emitError(err)
+				}
+				else {
+					var args = Array.prototype.slice.call(arguments, 1)
+					try {
+						fn.apply(null, args)
+					}
+					catch (err) {
+						emitError(err)
+					}
+				}
+			}
+		}
+		d.run = function (fn) {
+			try {
+				fn()
+			}
+			catch (err) {
+				emitError(err)
+			}
+			return this
+		}
+		d.dispose = function () {
+			this.removeAllListeners()
+			return this
+		}
+		d.enter = d.exit = function () {
+			return this
+		}
+		return d
+	}
+	return domain
+}).call(this)
diff --git a/node_modules/dunder-proto/.eslintrc b/node_modules/dunder-proto/.eslintrc
new file mode 100644
index 00000000..3b5d9e90
--- /dev/null
+++ b/node_modules/dunder-proto/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/node_modules/dunder-proto/.github/FUNDING.yml b/node_modules/dunder-proto/.github/FUNDING.yml
new file mode 100644
index 00000000..8a1d7b0e
--- /dev/null
+++ b/node_modules/dunder-proto/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/dunder-proto
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/dunder-proto/.nycrc b/node_modules/dunder-proto/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/dunder-proto/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/dunder-proto/CHANGELOG.md b/node_modules/dunder-proto/CHANGELOG.md
new file mode 100644
index 00000000..9b8b2f82
--- /dev/null
+++ b/node_modules/dunder-proto/CHANGELOG.md
@@ -0,0 +1,24 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.1](https://github.com/es-shims/dunder-proto/compare/v1.0.0...v1.0.1) - 2024-12-16
+
+### Commits
+
+- [Fix] do not crash when `--disable-proto=throw` [`6c367d9`](https://github.com/es-shims/dunder-proto/commit/6c367d919bc1604778689a297bbdbfea65752847)
+- [Tests] ensure noproto tests only use the current version of dunder-proto [`b02365b`](https://github.com/es-shims/dunder-proto/commit/b02365b9cf889c4a2cac7be0c3cfc90a789af36c)
+- [Dev Deps] update `@arethetypeswrong/cli`, `@types/tape` [`e3c5c3b`](https://github.com/es-shims/dunder-proto/commit/e3c5c3bd81cf8cef7dff2eca19e558f0e307f666)
+- [Deps] update `call-bind-apply-helpers` [`19f1da0`](https://github.com/es-shims/dunder-proto/commit/19f1da028b8dd0d05c85bfd8f7eed2819b686450)
+
+## v1.0.0 - 2024-12-06
+
+### Commits
+
+- Initial implementation, tests, readme, types [`a5b74b0`](https://github.com/es-shims/dunder-proto/commit/a5b74b0082f5270cb0905cd9a2e533cee7498373)
+- Initial commit [`73fb5a3`](https://github.com/es-shims/dunder-proto/commit/73fb5a353b51ac2ab00c9fdeb0114daffd4c07a8)
+- npm init [`80152dc`](https://github.com/es-shims/dunder-proto/commit/80152dc98155da4eb046d9f67a87ed96e8280a1d)
+- Only apps should have lockfiles [`03e6660`](https://github.com/es-shims/dunder-proto/commit/03e6660a1d70dc401f3e217a031475ec537243dd)
diff --git a/node_modules/dunder-proto/LICENSE b/node_modules/dunder-proto/LICENSE
new file mode 100644
index 00000000..34995e79
--- /dev/null
+++ b/node_modules/dunder-proto/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 ECMAScript Shims
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/dunder-proto/README.md b/node_modules/dunder-proto/README.md
new file mode 100644
index 00000000..44b80a2d
--- /dev/null
+++ b/node_modules/dunder-proto/README.md
@@ -0,0 +1,54 @@
+# dunder-proto <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+If available, the `Object.prototype.__proto__` accessor and mutator, call-bound.
+
+## Getting started
+
+```sh
+npm install --save dunder-proto
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getDunder = require('dunder-proto/get');
+const setDunder = require('dunder-proto/set');
+
+const obj = {};
+
+assert.equal('toString' in obj, true);
+assert.equal(getDunder(obj), Object.prototype);
+
+setDunder(obj, null);
+
+assert.equal('toString' in obj, false);
+assert.equal(getDunder(obj), null);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/dunder-proto
+[npm-version-svg]: https://versionbadg.es/es-shims/dunder-proto.svg
+[deps-svg]: https://david-dm.org/es-shims/dunder-proto.svg
+[deps-url]: https://david-dm.org/es-shims/dunder-proto
+[dev-deps-svg]: https://david-dm.org/es-shims/dunder-proto/dev-status.svg
+[dev-deps-url]: https://david-dm.org/es-shims/dunder-proto#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/dunder-proto.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/dunder-proto.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/dunder-proto.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=dunder-proto
+[codecov-image]: https://codecov.io/gh/es-shims/dunder-proto/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/es-shims/dunder-proto/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/es-shims/dunder-proto
+[actions-url]: https://github.com/es-shims/dunder-proto/actions
diff --git a/node_modules/dunder-proto/get.d.ts b/node_modules/dunder-proto/get.d.ts
new file mode 100644
index 00000000..c7e14d25
--- /dev/null
+++ b/node_modules/dunder-proto/get.d.ts
@@ -0,0 +1,5 @@
+declare function getDunderProto(target: {}): object | null;
+
+declare const x: false | typeof getDunderProto;
+
+export = x;
\ No newline at end of file
diff --git a/node_modules/dunder-proto/get.js b/node_modules/dunder-proto/get.js
new file mode 100644
index 00000000..45093df9
--- /dev/null
+++ b/node_modules/dunder-proto/get.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var callBind = require('call-bind-apply-helpers');
+var gOPD = require('gopd');
+
+var hasProtoAccessor;
+try {
+	// eslint-disable-next-line no-extra-parens, no-proto
+	hasProtoAccessor = /** @type {{ __proto__?: typeof Array.prototype }} */ ([]).__proto__ === Array.prototype;
+} catch (e) {
+	if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') {
+		throw e;
+	}
+}
+
+// eslint-disable-next-line no-extra-parens
+var desc = !!hasProtoAccessor && gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
+
+var $Object = Object;
+var $getPrototypeOf = $Object.getPrototypeOf;
+
+/** @type {import('./get')} */
+module.exports = desc && typeof desc.get === 'function'
+	? callBind([desc.get])
+	: typeof $getPrototypeOf === 'function'
+		? /** @type {import('./get')} */ function getDunder(value) {
+			// eslint-disable-next-line eqeqeq
+			return $getPrototypeOf(value == null ? value : $Object(value));
+		}
+		: false;
diff --git a/node_modules/dunder-proto/package.json b/node_modules/dunder-proto/package.json
new file mode 100644
index 00000000..04a40367
--- /dev/null
+++ b/node_modules/dunder-proto/package.json
@@ -0,0 +1,76 @@
+{
+	"name": "dunder-proto",
+	"version": "1.0.1",
+	"description": "If available, the `Object.prototype.__proto__` accessor and mutator, call-bound",
+	"main": false,
+	"exports": {
+		"./get": "./get.js",
+		"./set": "./set.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/es-shims/dunder-proto.git"
+	},
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/es-shims/dunder-proto/issues"
+	},
+	"homepage": "https://github.com/es-shims/dunder-proto#readme",
+	"dependencies": {
+		"call-bind-apply-helpers": "^1.0.1",
+		"es-errors": "^1.3.0",
+		"gopd": "^1.2.0"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/tape": "^5.7.0",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/dunder-proto/set.d.ts b/node_modules/dunder-proto/set.d.ts
new file mode 100644
index 00000000..16bfdfe2
--- /dev/null
+++ b/node_modules/dunder-proto/set.d.ts
@@ -0,0 +1,5 @@
+declare function setDunderProto<P extends null | object>(target: {}, proto: P): P;
+
+declare const x: false | typeof setDunderProto;
+
+export = x;
\ No newline at end of file
diff --git a/node_modules/dunder-proto/set.js b/node_modules/dunder-proto/set.js
new file mode 100644
index 00000000..6085b6e8
--- /dev/null
+++ b/node_modules/dunder-proto/set.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var callBind = require('call-bind-apply-helpers');
+var gOPD = require('gopd');
+var $TypeError = require('es-errors/type');
+
+/** @type {{ __proto__?: object | null }} */
+var obj = {};
+try {
+	obj.__proto__ = null; // eslint-disable-line no-proto
+} catch (e) {
+	if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') {
+		throw e;
+	}
+}
+
+var hasProtoMutator = !('toString' in obj);
+
+// eslint-disable-next-line no-extra-parens
+var desc = gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
+
+/** @type {import('./set')} */
+module.exports = hasProtoMutator && (
+// eslint-disable-next-line no-extra-parens
+	(!!desc && typeof desc.set === 'function' && /** @type {import('./set')} */ (callBind([desc.set])))
+	|| /** @type {import('./set')} */ function setDunder(object, proto) {
+		// this is node v0.10 or older, which doesn't have Object.setPrototypeOf and has undeniable __proto__
+		if (object == null) { // eslint-disable-line eqeqeq
+			throw new $TypeError('set Object.prototype.__proto__ called on null or undefined');
+		}
+		// eslint-disable-next-line no-proto, no-param-reassign, no-extra-parens
+		/** @type {{ __proto__?: object | null }} */ (object).__proto__ = proto;
+		return proto;
+	}
+);
diff --git a/node_modules/dunder-proto/test/get.js b/node_modules/dunder-proto/test/get.js
new file mode 100644
index 00000000..253f1838
--- /dev/null
+++ b/node_modules/dunder-proto/test/get.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var test = require('tape');
+
+var getDunderProto = require('../get');
+
+test('getDunderProto', { skip: !getDunderProto }, function (t) {
+	if (!getDunderProto) {
+		throw 'should never happen; this is just for type narrowing'; // eslint-disable-line no-throw-literal
+	}
+
+	// @ts-expect-error
+	t['throws'](function () { getDunderProto(); }, TypeError, 'throws if no argument');
+	// @ts-expect-error
+	t['throws'](function () { getDunderProto(undefined); }, TypeError, 'throws with undefined');
+	// @ts-expect-error
+	t['throws'](function () { getDunderProto(null); }, TypeError, 'throws with null');
+
+	t.equal(getDunderProto({}), Object.prototype);
+	t.equal(getDunderProto([]), Array.prototype);
+	t.equal(getDunderProto(function () {}), Function.prototype);
+	t.equal(getDunderProto(/./g), RegExp.prototype);
+	t.equal(getDunderProto(42), Number.prototype);
+	t.equal(getDunderProto(true), Boolean.prototype);
+	t.equal(getDunderProto('foo'), String.prototype);
+
+	t.end();
+});
+
+test('no dunder proto', { skip: !!getDunderProto }, function (t) {
+	t.notOk('__proto__' in Object.prototype, 'no __proto__ in Object.prototype');
+
+	t.end();
+});
diff --git a/node_modules/dunder-proto/test/index.js b/node_modules/dunder-proto/test/index.js
new file mode 100644
index 00000000..08ff36f7
--- /dev/null
+++ b/node_modules/dunder-proto/test/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+require('./get');
+require('./set');
diff --git a/node_modules/dunder-proto/test/set.js b/node_modules/dunder-proto/test/set.js
new file mode 100644
index 00000000..c3bfe4d4
--- /dev/null
+++ b/node_modules/dunder-proto/test/set.js
@@ -0,0 +1,50 @@
+'use strict';
+
+var test = require('tape');
+
+var setDunderProto = require('../set');
+
+test('setDunderProto', { skip: !setDunderProto }, function (t) {
+	if (!setDunderProto) {
+		throw 'should never happen; this is just for type narrowing'; // eslint-disable-line no-throw-literal
+	}
+
+	// @ts-expect-error
+	t['throws'](function () { setDunderProto(); }, TypeError, 'throws if no arguments');
+	// @ts-expect-error
+	t['throws'](function () { setDunderProto(undefined); }, TypeError, 'throws with undefined and nothing');
+	// @ts-expect-error
+	t['throws'](function () { setDunderProto(undefined, undefined); }, TypeError, 'throws with undefined and undefined');
+	// @ts-expect-error
+	t['throws'](function () { setDunderProto(null); }, TypeError, 'throws with null and undefined');
+	// @ts-expect-error
+	t['throws'](function () { setDunderProto(null, undefined); }, TypeError, 'throws with null and undefined');
+
+	/** @type {{ inherited?: boolean }} */
+	var obj = {};
+	t.ok('toString' in obj, 'object initially has toString');
+
+	setDunderProto(obj, null);
+	t.notOk('toString' in obj, 'object no longer has toString');
+
+	t.notOk('inherited' in obj, 'object lacks inherited property');
+	setDunderProto(obj, { inherited: true });
+	t.equal(obj.inherited, true, 'object has inherited property');
+
+	t.end();
+});
+
+test('no dunder proto', { skip: !!setDunderProto }, function (t) {
+	if ('__proto__' in Object.prototype) {
+		t['throws'](
+			// @ts-expect-error
+			function () { ({}).__proto__ = null; }, // eslint-disable-line no-proto
+			Error,
+			'throws when setting Object.prototype.__proto__'
+		);
+	} else {
+		t.notOk('__proto__' in Object.prototype, 'no __proto__ in Object.prototype');
+	}
+
+	t.end();
+});
diff --git a/node_modules/dunder-proto/tsconfig.json b/node_modules/dunder-proto/tsconfig.json
new file mode 100644
index 00000000..dabbe230
--- /dev/null
+++ b/node_modules/dunder-proto/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "ES2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/duplexify/.travis.yml b/node_modules/duplexify/.travis.yml
new file mode 100644
index 00000000..cb6e1826
--- /dev/null
+++ b/node_modules/duplexify/.travis.yml
@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - "4"
+  - "6"
+  - "8"
+  - "10"
diff --git a/node_modules/duplexify/LICENSE b/node_modules/duplexify/LICENSE
new file mode 100644
index 00000000..757562ec
--- /dev/null
+++ b/node_modules/duplexify/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/duplexify/README.md b/node_modules/duplexify/README.md
new file mode 100644
index 00000000..8352900f
--- /dev/null
+++ b/node_modules/duplexify/README.md
@@ -0,0 +1,97 @@
+# duplexify
+
+Turn a writeable and readable stream into a single streams2 duplex stream.
+
+Similar to [duplexer2](https://github.com/deoxxa/duplexer2) except it supports both streams2 and streams1 as input
+and it allows you to set the readable and writable part asynchronously using `setReadable(stream)` and `setWritable(stream)`
+
+```
+npm install duplexify
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/duplexify.svg?style=flat)](http://travis-ci.org/mafintosh/duplexify)
+
+## Usage
+
+Use `duplexify(writable, readable, streamOptions)` (or `duplexify.obj(writable, readable)` to create an object stream)
+
+``` js
+var duplexify = require('duplexify')
+
+// turn writableStream and readableStream into a single duplex stream
+var dup = duplexify(writableStream, readableStream)
+
+dup.write('hello world') // will write to writableStream
+dup.on('data', function(data) {
+  // will read from readableStream
+})
+```
+
+You can also set the readable and writable parts asynchronously
+
+``` js
+var dup = duplexify()
+
+dup.write('hello world') // write will buffer until the writable
+                         // part has been set
+
+// wait a bit ...
+dup.setReadable(readableStream)
+
+// maybe wait some more?
+dup.setWritable(writableStream)
+```
+
+If you call `setReadable` or `setWritable` multiple times it will unregister the previous readable/writable stream.
+To disable the readable or writable part call `setReadable` or `setWritable` with `null`.
+
+If the readable or writable streams emits an error or close it will destroy both streams and bubble up the event.
+You can also explicitly destroy the streams by calling `dup.destroy()`. The `destroy` method optionally takes an
+error object as argument, in which case the error is emitted as part of the `error` event.
+
+``` js
+dup.on('error', function(err) {
+  console.log('readable or writable emitted an error - close will follow')
+})
+
+dup.on('close', function() {
+  console.log('the duplex stream is destroyed')
+})
+
+dup.destroy() // calls destroy on the readable and writable part (if present)
+```
+
+## HTTP request example
+
+Turn a node core http request into a duplex stream is as easy as
+
+``` js
+var duplexify = require('duplexify')
+var http = require('http')
+
+var request = function(opts) {
+  var req = http.request(opts)
+  var dup = duplexify(req)
+  req.on('response', function(res) {
+    dup.setReadable(res)
+  })
+  return dup
+}
+
+var req = request({
+  method: 'GET',
+  host: 'www.google.com',
+  port: 80
+})
+
+req.end()
+req.pipe(process.stdout)
+```
+
+## License
+
+MIT
+
+## Related
+
+`duplexify` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
diff --git a/node_modules/duplexify/example.js b/node_modules/duplexify/example.js
new file mode 100644
index 00000000..5585c197
--- /dev/null
+++ b/node_modules/duplexify/example.js
@@ -0,0 +1,21 @@
+var duplexify = require('duplexify')
+var http = require('http')
+
+var request = function(opts) {
+  var req = http.request(opts)
+  var dup = duplexify()
+  dup.setWritable(req)
+  req.on('response', function(res) {
+    dup.setReadable(res)
+  })
+  return dup
+}
+
+var req = request({
+  method: 'GET',
+  host: 'www.google.com',
+  port: 80
+})
+
+req.end()
+req.pipe(process.stdout)
diff --git a/node_modules/duplexify/index.js b/node_modules/duplexify/index.js
new file mode 100644
index 00000000..18634c2f
--- /dev/null
+++ b/node_modules/duplexify/index.js
@@ -0,0 +1,234 @@
+var stream = require('readable-stream')
+var eos = require('end-of-stream')
+var inherits = require('inherits')
+var shift = require('stream-shift')
+
+var SIGNAL_FLUSH = (Buffer.from && Buffer.from !== Uint8Array.from)
+  ? Buffer.from([0])
+  : new Buffer([0])
+
+var onuncork = function(self, fn) {
+  if (self._corked) self.once('uncork', fn)
+  else fn()
+}
+
+var autoDestroy = function (self, err) {
+  if (self._autoDestroy) self.destroy(err)
+}
+
+var destroyer = function(self, end) {
+  return function(err) {
+    if (err) autoDestroy(self, err.message === 'premature close' ? null : err)
+    else if (end && !self._ended) self.end()
+  }
+}
+
+var end = function(ws, fn) {
+  if (!ws) return fn()
+  if (ws._writableState && ws._writableState.finished) return fn()
+  if (ws._writableState) return ws.end(fn)
+  ws.end()
+  fn()
+}
+
+var toStreams2 = function(rs) {
+  return new (stream.Readable)({objectMode:true, highWaterMark:16}).wrap(rs)
+}
+
+var Duplexify = function(writable, readable, opts) {
+  if (!(this instanceof Duplexify)) return new Duplexify(writable, readable, opts)
+  stream.Duplex.call(this, opts)
+
+  this._writable = null
+  this._readable = null
+  this._readable2 = null
+
+  this._autoDestroy = !opts || opts.autoDestroy !== false
+  this._forwardDestroy = !opts || opts.destroy !== false
+  this._forwardEnd = !opts || opts.end !== false
+  this._corked = 1 // start corked
+  this._ondrain = null
+  this._drained = false
+  this._forwarding = false
+  this._unwrite = null
+  this._unread = null
+  this._ended = false
+
+  this.destroyed = false
+
+  if (writable) this.setWritable(writable)
+  if (readable) this.setReadable(readable)
+}
+
+inherits(Duplexify, stream.Duplex)
+
+Duplexify.obj = function(writable, readable, opts) {
+  if (!opts) opts = {}
+  opts.objectMode = true
+  opts.highWaterMark = 16
+  return new Duplexify(writable, readable, opts)
+}
+
+Duplexify.prototype.cork = function() {
+  if (++this._corked === 1) this.emit('cork')
+}
+
+Duplexify.prototype.uncork = function() {
+  if (this._corked && --this._corked === 0) this.emit('uncork')
+}
+
+Duplexify.prototype.setWritable = function(writable) {
+  if (this._unwrite) this._unwrite()
+
+  if (this.destroyed) {
+    if (writable && writable.destroy) writable.destroy()
+    return
+  }
+
+  if (writable === null || writable === false) {
+    this.end()
+    return
+  }
+
+  var self = this
+  var unend = eos(writable, {writable:true, readable:false}, destroyer(this, this._forwardEnd))
+
+  var ondrain = function() {
+    var ondrain = self._ondrain
+    self._ondrain = null
+    if (ondrain) ondrain()
+  }
+
+  var clear = function() {
+    self._writable.removeListener('drain', ondrain)
+    unend()
+  }
+
+  if (this._unwrite) process.nextTick(ondrain) // force a drain on stream reset to avoid livelocks
+
+  this._writable = writable
+  this._writable.on('drain', ondrain)
+  this._unwrite = clear
+
+  this.uncork() // always uncork setWritable
+}
+
+Duplexify.prototype.setReadable = function(readable) {
+  if (this._unread) this._unread()
+
+  if (this.destroyed) {
+    if (readable && readable.destroy) readable.destroy()
+    return
+  }
+
+  if (readable === null || readable === false) {
+    this.push(null)
+    this.resume()
+    return
+  }
+
+  var self = this
+  var unend = eos(readable, {writable:false, readable:true}, destroyer(this))
+
+  var onreadable = function() {
+    self._forward()
+  }
+
+  var onend = function() {
+    self.push(null)
+  }
+
+  var clear = function() {
+    self._readable2.removeListener('readable', onreadable)
+    self._readable2.removeListener('end', onend)
+    unend()
+  }
+
+  this._drained = true
+  this._readable = readable
+  this._readable2 = readable._readableState ? readable : toStreams2(readable)
+  this._readable2.on('readable', onreadable)
+  this._readable2.on('end', onend)
+  this._unread = clear
+
+  this._forward()
+}
+
+Duplexify.prototype._read = function() {
+  this._drained = true
+  this._forward()
+}
+
+Duplexify.prototype._forward = function() {
+  if (this._forwarding || !this._readable2 || !this._drained) return
+  this._forwarding = true
+
+  var data
+
+  while (this._drained && (data = shift(this._readable2)) !== null) {
+    if (this.destroyed) continue
+    this._drained = this.push(data)
+  }
+
+  this._forwarding = false
+}
+
+Duplexify.prototype.destroy = function(err) {
+  if (this.destroyed) return
+  this.destroyed = true
+
+  var self = this
+  process.nextTick(function() {
+    self._destroy(err)
+  })
+}
+
+Duplexify.prototype._destroy = function(err) {
+  if (err) {
+    var ondrain = this._ondrain
+    this._ondrain = null
+    if (ondrain) ondrain(err)
+    else this.emit('error', err)
+  }
+
+  if (this._forwardDestroy) {
+    if (this._readable && this._readable.destroy) this._readable.destroy()
+    if (this._writable && this._writable.destroy) this._writable.destroy()
+  }
+
+  this.emit('close')
+}
+
+Duplexify.prototype._write = function(data, enc, cb) {
+  if (this.destroyed) return cb()
+  if (this._corked) return onuncork(this, this._write.bind(this, data, enc, cb))
+  if (data === SIGNAL_FLUSH) return this._finish(cb)
+  if (!this._writable) return cb()
+
+  if (this._writable.write(data) === false) this._ondrain = cb
+  else cb()
+}
+
+Duplexify.prototype._finish = function(cb) {
+  var self = this
+  this.emit('preend')
+  onuncork(this, function() {
+    end(self._forwardEnd && self._writable, function() {
+      // haxx to not emit prefinish twice
+      if (self._writableState.prefinished === false) self._writableState.prefinished = true
+      self.emit('prefinish')
+      onuncork(self, cb)
+    })
+  })
+}
+
+Duplexify.prototype.end = function(data, enc, cb) {
+  if (typeof data === 'function') return this.end(null, null, data)
+  if (typeof enc === 'function') return this.end(data, null, enc)
+  this._ended = true
+  if (data) this.write(data)
+  if (!this._writableState.ending) this.write(SIGNAL_FLUSH)
+  return stream.Writable.prototype.end.call(this, cb)
+}
+
+module.exports = Duplexify
diff --git a/node_modules/duplexify/package.json b/node_modules/duplexify/package.json
new file mode 100644
index 00000000..07effe4c
--- /dev/null
+++ b/node_modules/duplexify/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "duplexify",
+  "version": "3.7.1",
+  "description": "Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input",
+  "main": "index.js",
+  "dependencies": {
+    "end-of-stream": "^1.0.0",
+    "inherits": "^2.0.1",
+    "readable-stream": "^2.0.0",
+    "stream-shift": "^1.0.0"
+  },
+  "devDependencies": {
+    "concat-stream": "^1.5.2",
+    "tape": "^4.0.0",
+    "through2": "^2.0.0"
+  },
+  "scripts": {
+    "test": "tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mafintosh/duplexify"
+  },
+  "keywords": [
+    "duplex",
+    "streams2",
+    "streams",
+    "stream",
+    "writable",
+    "readable",
+    "async"
+  ],
+  "author": "Mathias Buus",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/duplexify/issues"
+  },
+  "homepage": "https://github.com/mafintosh/duplexify"
+}
diff --git a/node_modules/duplexify/test.js b/node_modules/duplexify/test.js
new file mode 100644
index 00000000..0074060d
--- /dev/null
+++ b/node_modules/duplexify/test.js
@@ -0,0 +1,295 @@
+var tape = require('tape')
+var through = require('through2')
+var concat = require('concat-stream')
+var net = require('net')
+var duplexify = require('./')
+
+var HELLO_WORLD = (Buffer.from && Buffer.from !== Uint8Array.from)
+ ? Buffer.from('hello world')
+ : new Buffer('hello world')
+
+tape('passthrough', function(t) {
+  t.plan(2)
+
+  var pt = through()
+  var dup = duplexify(pt, pt)
+
+  dup.end('hello world')
+  dup.on('finish', function() {
+    t.ok(true, 'should finish')
+  })
+  dup.pipe(concat(function(data) {
+    t.same(data.toString(), 'hello world', 'same in as out')
+  }))
+})
+
+tape('passthrough + double end', function(t) {
+  t.plan(2)
+
+  var pt = through()
+  var dup = duplexify(pt, pt)
+
+  dup.end('hello world')
+  dup.end()
+
+  dup.on('finish', function() {
+    t.ok(true, 'should finish')
+  })
+  dup.pipe(concat(function(data) {
+    t.same(data.toString(), 'hello world', 'same in as out')
+  }))
+})
+
+tape('async passthrough + end', function(t) {
+  t.plan(2)
+
+  var pt = through.obj({highWaterMark:1}, function(data, enc, cb) {
+    setTimeout(function() {
+      cb(null, data)
+    }, 100)
+  })
+
+  var dup = duplexify(pt, pt)
+
+  dup.write('hello ')
+  dup.write('world')
+  dup.end()
+
+  dup.on('finish', function() {
+    t.ok(true, 'should finish')
+  })
+  dup.pipe(concat(function(data) {
+    t.same(data.toString(), 'hello world', 'same in as out')
+  }))
+})
+
+tape('duplex', function(t) {
+  var readExpected = ['read-a', 'read-b', 'read-c']
+  var writeExpected = ['write-a', 'write-b', 'write-c']
+
+  t.plan(readExpected.length+writeExpected.length+2)
+
+  var readable = through.obj()
+  var writable = through.obj(function(data, enc, cb) {
+    t.same(data, writeExpected.shift(), 'onwrite should match')
+    cb()
+  })
+
+  var dup = duplexify.obj(writable, readable)
+
+  readExpected.slice().forEach(function(data) {
+    readable.write(data)
+  })
+  readable.end()
+
+  writeExpected.slice().forEach(function(data) {
+    dup.write(data)
+  })
+  dup.end()
+
+  dup.on('data', function(data) {
+    t.same(data, readExpected.shift(), 'ondata should match')
+  })
+  dup.on('end', function() {
+    t.ok(true, 'should end')
+  })
+  dup.on('finish', function() {
+    t.ok(true, 'should finish')
+  })
+})
+
+tape('async', function(t) {
+  var dup = duplexify()
+  var pt = through()
+
+  dup.pipe(concat(function(data) {
+    t.same(data.toString(), 'i was async', 'same in as out')
+    t.end()
+  }))
+
+  dup.write('i')
+  dup.write(' was ')
+  dup.end('async')
+
+  setTimeout(function() {
+    dup.setWritable(pt)
+    setTimeout(function() {
+      dup.setReadable(pt)
+    }, 50)
+  }, 50)
+})
+
+tape('destroy', function(t) {
+  t.plan(2)
+
+  var write = through()
+  var read = through()
+  var dup = duplexify(write, read)
+
+  write.destroy = function() {
+    t.ok(true, 'write destroyed')
+  }
+
+  dup.on('close', function() {
+    t.ok(true, 'close emitted')
+  })
+
+  dup.destroy()
+  dup.destroy() // should only work once
+})
+
+tape('destroy both', function(t) {
+  t.plan(3)
+
+  var write = through()
+  var read = through()
+  var dup = duplexify(write, read)
+
+  write.destroy = function() {
+    t.ok(true, 'write destroyed')
+  }
+
+  read.destroy = function() {
+    t.ok(true, 'read destroyed')
+  }
+
+  dup.on('close', function() {
+    t.ok(true, 'close emitted')
+  })
+
+  dup.destroy()
+  dup.destroy() // should only work once
+})
+
+tape('bubble read errors', function(t) {
+  t.plan(2)
+
+  var write = through()
+  var read = through()
+  var dup = duplexify(write, read)
+
+  dup.on('error', function(err) {
+    t.same(err.message, 'read-error', 'received read error')
+  })
+  dup.on('close', function() {
+    t.ok(true, 'close emitted')
+  })
+
+  read.emit('error', new Error('read-error'))
+  write.emit('error', new Error('write-error')) // only emit first error
+})
+
+tape('bubble write errors', function(t) {
+  t.plan(2)
+
+  var write = through()
+  var read = through()
+  var dup = duplexify(write, read)
+
+  dup.on('error', function(err) {
+    t.same(err.message, 'write-error', 'received write error')
+  })
+  dup.on('close', function() {
+    t.ok(true, 'close emitted')
+  })
+
+  write.emit('error', new Error('write-error'))
+  read.emit('error', new Error('read-error')) // only emit first error
+})
+
+tape('reset writable / readable', function(t) {
+  t.plan(3)
+
+  var toUpperCase = function(data, enc, cb) {
+    cb(null, data.toString().toUpperCase())
+  }
+
+  var passthrough = through()
+  var upper = through(toUpperCase)
+  var dup = duplexify(passthrough, passthrough)
+
+  dup.once('data', function(data) {
+    t.same(data.toString(), 'hello')
+    dup.setWritable(upper)
+    dup.setReadable(upper)
+    dup.once('data', function(data) {
+      t.same(data.toString(), 'HELLO')
+      dup.once('data', function(data) {
+        t.same(data.toString(), 'HI')
+        t.end()
+      })
+    })
+    dup.write('hello')
+    dup.write('hi')
+  })
+  dup.write('hello')
+})
+
+tape('cork', function(t) {
+  var passthrough = through()
+  var dup = duplexify(passthrough, passthrough)
+  var ok = false
+
+  dup.on('prefinish', function() {
+    dup.cork()
+    setTimeout(function() {
+      ok = true
+      dup.uncork()
+    }, 100)
+  })
+  dup.on('finish', function() {
+    t.ok(ok)
+    t.end()
+  })
+  dup.end()
+})
+
+tape('prefinish not twice', function(t) {
+  var passthrough = through()
+  var dup = duplexify(passthrough, passthrough)
+  var prefinished = false
+
+  dup.on('prefinish', function() {
+    t.ok(!prefinished, 'only prefinish once')
+    prefinished = true
+  })
+
+  dup.on('finish', function() {
+    t.end()
+  })
+
+  dup.end()
+})
+
+tape('close', function(t) {
+  var passthrough = through()
+  var dup = duplexify(passthrough, passthrough)
+
+  passthrough.emit('close')
+  dup.on('close', function() {
+    t.ok(true, 'should forward close')
+    t.end()
+  })
+})
+
+tape('works with node native streams (net)', function(t) {
+  t.plan(1)
+
+  var server = net.createServer(function(socket) {
+    var dup = duplexify(socket, socket)
+
+    dup.once('data', function(chunk) {
+      t.same(chunk, HELLO_WORLD)
+      server.close()
+      socket.end()
+      t.end()
+    })
+  })
+
+  server.listen(0, function () {
+    var socket = net.connect(server.address().port)
+    var dup = duplexify(socket, socket)
+
+    dup.write(HELLO_WORLD)
+  })
+})
diff --git a/node_modules/elliptic/README.md b/node_modules/elliptic/README.md
new file mode 100644
index 00000000..96219e55
--- /dev/null
+++ b/node_modules/elliptic/README.md
@@ -0,0 +1,238 @@
+# Elliptic [![Build Status](https://secure.travis-ci.org/indutny/elliptic.png)](http://travis-ci.org/indutny/elliptic) [![Coverage Status](https://coveralls.io/repos/indutny/elliptic/badge.svg?branch=master&service=github)](https://coveralls.io/github/indutny/elliptic?branch=master) [![Code Climate](https://codeclimate.com/github/indutny/elliptic/badges/gpa.svg)](https://codeclimate.com/github/indutny/elliptic)
+
+[![Saucelabs Test Status](https://saucelabs.com/browser-matrix/gh-indutny-elliptic.svg)](https://saucelabs.com/u/gh-indutny-elliptic)
+
+Fast elliptic-curve cryptography in a plain javascript implementation.
+
+NOTE: Please take a look at http://safecurves.cr.yp.to/ before choosing a curve
+for your cryptography operations.
+
+## Incentive
+
+ECC is much slower than regular RSA cryptography, the JS implementations are
+even more slower.
+
+## Benchmarks
+
+```bash
+$ node benchmarks/index.js
+Benchmarking: sign
+elliptic#sign x 262 ops/sec ±0.51% (177 runs sampled)
+eccjs#sign x 55.91 ops/sec ±0.90% (144 runs sampled)
+------------------------
+Fastest is elliptic#sign
+========================
+Benchmarking: verify
+elliptic#verify x 113 ops/sec ±0.50% (166 runs sampled)
+eccjs#verify x 48.56 ops/sec ±0.36% (125 runs sampled)
+------------------------
+Fastest is elliptic#verify
+========================
+Benchmarking: gen
+elliptic#gen x 294 ops/sec ±0.43% (176 runs sampled)
+eccjs#gen x 62.25 ops/sec ±0.63% (129 runs sampled)
+------------------------
+Fastest is elliptic#gen
+========================
+Benchmarking: ecdh
+elliptic#ecdh x 136 ops/sec ±0.85% (156 runs sampled)
+------------------------
+Fastest is elliptic#ecdh
+========================
+```
+
+## API
+
+### ECDSA
+
+```javascript
+var EC = require('elliptic').ec;
+
+// Create and initialize EC context
+// (better do it once and reuse it)
+var ec = new EC('secp256k1');
+
+// Generate keys
+var key = ec.genKeyPair();
+
+// Sign the message's hash (input must be an array, or a hex-string)
+var msgHash = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
+var signature = key.sign(msgHash);
+
+// Export DER encoded signature in Array
+var derSign = signature.toDER();
+
+// Verify signature
+console.log(key.verify(msgHash, derSign));
+
+// CHECK WITH NO PRIVATE KEY
+
+var pubPoint = key.getPublic();
+var x = pubPoint.getX();
+var y = pubPoint.getY();
+
+// Public Key MUST be either:
+// 1) '04' + hex string of x + hex string of y; or
+// 2) object with two hex string properties (x and y); or
+// 3) object with two buffer properties (x and y)
+var pub = pubPoint.encode('hex');                                 // case 1
+var pub = { x: x.toString('hex'), y: y.toString('hex') };         // case 2
+var pub = { x: x.toBuffer(), y: y.toBuffer() };                   // case 3
+var pub = { x: x.toArrayLike(Buffer), y: y.toArrayLike(Buffer) }; // case 3
+
+// Import public key
+var key = ec.keyFromPublic(pub, 'hex');
+
+// Signature MUST be either:
+// 1) DER-encoded signature as hex-string; or
+// 2) DER-encoded signature as buffer; or
+// 3) object with two hex-string properties (r and s); or
+// 4) object with two buffer properties (r and s)
+
+var signature = '3046022100...'; // case 1
+var signature = new Buffer('...'); // case 2
+var signature = { r: 'b1fc...', s: '9c42...' }; // case 3
+
+// Verify signature
+console.log(key.verify(msgHash, signature));
+```
+
+### EdDSA
+
+```javascript
+var EdDSA = require('elliptic').eddsa;
+
+// Create and initialize EdDSA context
+// (better do it once and reuse it)
+var ec = new EdDSA('ed25519');
+
+// Create key pair from secret
+var key = ec.keyFromSecret('693e3c...'); // hex string, array or Buffer
+
+// Sign the message's hash (input must be an array, or a hex-string)
+var msgHash = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
+var signature = key.sign(msgHash).toHex();
+
+// Verify signature
+console.log(key.verify(msgHash, signature));
+
+// CHECK WITH NO PRIVATE KEY
+
+// Import public key
+var pub = '0a1af638...';
+var key = ec.keyFromPublic(pub, 'hex');
+
+// Verify signature
+var signature = '70bed1...';
+console.log(key.verify(msgHash, signature));
+```
+
+### ECDH
+
+```javascript
+var EC = require('elliptic').ec;
+var ec = new EC('curve25519');
+
+// Generate keys
+var key1 = ec.genKeyPair();
+var key2 = ec.genKeyPair();
+
+var shared1 = key1.derive(key2.getPublic());
+var shared2 = key2.derive(key1.getPublic());
+
+console.log('Both shared secrets are BN instances');
+console.log(shared1.toString(16));
+console.log(shared2.toString(16));
+```
+
+three and more members:
+```javascript
+var EC = require('elliptic').ec;
+var ec = new EC('curve25519');
+
+var A = ec.genKeyPair();
+var B = ec.genKeyPair();
+var C = ec.genKeyPair();
+
+var AB = A.getPublic().mul(B.getPrivate())
+var BC = B.getPublic().mul(C.getPrivate())
+var CA = C.getPublic().mul(A.getPrivate())
+
+var ABC = AB.mul(C.getPrivate())
+var BCA = BC.mul(A.getPrivate())
+var CAB = CA.mul(B.getPrivate())
+
+console.log(ABC.getX().toString(16))
+console.log(BCA.getX().toString(16))
+console.log(CAB.getX().toString(16))
+```
+
+NOTE: `.derive()` returns a [BN][1] instance.
+
+## Supported curves
+
+Elliptic.js support following curve types:
+
+* Short Weierstrass
+* Montgomery
+* Edwards
+* Twisted Edwards
+
+Following curve 'presets' are embedded into the library:
+
+* `secp256k1`
+* `p192`
+* `p224`
+* `p256`
+* `p384`
+* `p521`
+* `curve25519`
+* `ed25519`
+
+NOTE: That `curve25519` could not be used for ECDSA, use `ed25519` instead.
+
+### Implementation details
+
+ECDSA is using deterministic `k` value generation as per [RFC6979][0]. Most of
+the curve operations are performed on non-affine coordinates (either projective
+or extended), various windowing techniques are used for different cases.
+
+All operations are performed in reduction context using [bn.js][1], hashing is
+provided by [hash.js][2]
+
+### Related projects
+
+* [eccrypto][3]: isomorphic implementation of ECDSA, ECDH and ECIES for both
+  browserify and node (uses `elliptic` for browser and [secp256k1-node][4] for
+  node)
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2014.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+[0]: http://tools.ietf.org/html/rfc6979
+[1]: https://github.com/indutny/bn.js
+[2]: https://github.com/indutny/hash.js
+[3]: https://github.com/bitchan/eccrypto
+[4]: https://github.com/wanderer/secp256k1-node
diff --git a/node_modules/elliptic/lib/elliptic.js b/node_modules/elliptic/lib/elliptic.js
new file mode 100644
index 00000000..dfe2fe7d
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var elliptic = exports;
+
+elliptic.version = require('../package.json').version;
+elliptic.utils = require('./elliptic/utils');
+elliptic.rand = require('brorand');
+elliptic.curve = require('./elliptic/curve');
+elliptic.curves = require('./elliptic/curves');
+
+// Protocols
+elliptic.ec = require('./elliptic/ec');
+elliptic.eddsa = require('./elliptic/eddsa');
diff --git a/node_modules/elliptic/lib/elliptic/curve/base.js b/node_modules/elliptic/lib/elliptic/curve/base.js
new file mode 100644
index 00000000..8543fa80
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curve/base.js
@@ -0,0 +1,381 @@
+'use strict';
+
+var BN = require('bn.js');
+var utils = require('../utils');
+var getNAF = utils.getNAF;
+var getJSF = utils.getJSF;
+var assert = utils.assert;
+
+function BaseCurve(type, conf) {
+  this.type = type;
+  this.p = new BN(conf.p, 16);
+
+  // Use Montgomery, when there is no fast reduction for the prime
+  this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
+
+  // Useful for many curves
+  this.zero = new BN(0).toRed(this.red);
+  this.one = new BN(1).toRed(this.red);
+  this.two = new BN(2).toRed(this.red);
+
+  // Curve configuration, optional
+  this.n = conf.n && new BN(conf.n, 16);
+  this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
+
+  // Temporary arrays
+  this._wnafT1 = new Array(4);
+  this._wnafT2 = new Array(4);
+  this._wnafT3 = new Array(4);
+  this._wnafT4 = new Array(4);
+
+  this._bitLength = this.n ? this.n.bitLength() : 0;
+
+  // Generalized Greg Maxwell's trick
+  var adjustCount = this.n && this.p.div(this.n);
+  if (!adjustCount || adjustCount.cmpn(100) > 0) {
+    this.redN = null;
+  } else {
+    this._maxwellTrick = true;
+    this.redN = this.n.toRed(this.red);
+  }
+}
+module.exports = BaseCurve;
+
+BaseCurve.prototype.point = function point() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype.validate = function validate() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
+  assert(p.precomputed);
+  var doubles = p._getDoubles();
+
+  var naf = getNAF(k, 1, this._bitLength);
+  var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
+  I /= 3;
+
+  // Translate into more windowed form
+  var repr = [];
+  var j;
+  var nafW;
+  for (j = 0; j < naf.length; j += doubles.step) {
+    nafW = 0;
+    for (var l = j + doubles.step - 1; l >= j; l--)
+      nafW = (nafW << 1) + naf[l];
+    repr.push(nafW);
+  }
+
+  var a = this.jpoint(null, null, null);
+  var b = this.jpoint(null, null, null);
+  for (var i = I; i > 0; i--) {
+    for (j = 0; j < repr.length; j++) {
+      nafW = repr[j];
+      if (nafW === i)
+        b = b.mixedAdd(doubles.points[j]);
+      else if (nafW === -i)
+        b = b.mixedAdd(doubles.points[j].neg());
+    }
+    a = a.add(b);
+  }
+  return a.toP();
+};
+
+BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
+  var w = 4;
+
+  // Precompute window
+  var nafPoints = p._getNAFPoints(w);
+  w = nafPoints.wnd;
+  var wnd = nafPoints.points;
+
+  // Get NAF form
+  var naf = getNAF(k, w, this._bitLength);
+
+  // Add `this`*(N+1) for every w-NAF index
+  var acc = this.jpoint(null, null, null);
+  for (var i = naf.length - 1; i >= 0; i--) {
+    // Count zeroes
+    for (var l = 0; i >= 0 && naf[i] === 0; i--)
+      l++;
+    if (i >= 0)
+      l++;
+    acc = acc.dblp(l);
+
+    if (i < 0)
+      break;
+    var z = naf[i];
+    assert(z !== 0);
+    if (p.type === 'affine') {
+      // J +- P
+      if (z > 0)
+        acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
+    } else {
+      // J +- J
+      if (z > 0)
+        acc = acc.add(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.add(wnd[(-z - 1) >> 1].neg());
+    }
+  }
+  return p.type === 'affine' ? acc.toP() : acc;
+};
+
+BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
+  points,
+  coeffs,
+  len,
+  jacobianResult) {
+  var wndWidth = this._wnafT1;
+  var wnd = this._wnafT2;
+  var naf = this._wnafT3;
+
+  // Fill all arrays
+  var max = 0;
+  var i;
+  var j;
+  var p;
+  for (i = 0; i < len; i++) {
+    p = points[i];
+    var nafPoints = p._getNAFPoints(defW);
+    wndWidth[i] = nafPoints.wnd;
+    wnd[i] = nafPoints.points;
+  }
+
+  // Comb small window NAFs
+  for (i = len - 1; i >= 1; i -= 2) {
+    var a = i - 1;
+    var b = i;
+    if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
+      naf[a] = getNAF(coeffs[a], wndWidth[a], this._bitLength);
+      naf[b] = getNAF(coeffs[b], wndWidth[b], this._bitLength);
+      max = Math.max(naf[a].length, max);
+      max = Math.max(naf[b].length, max);
+      continue;
+    }
+
+    var comb = [
+      points[a], /* 1 */
+      null, /* 3 */
+      null, /* 5 */
+      points[b], /* 7 */
+    ];
+
+    // Try to avoid Projective points, if possible
+    if (points[a].y.cmp(points[b].y) === 0) {
+      comb[1] = points[a].add(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].add(points[b].neg());
+    } else {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    }
+
+    var index = [
+      -3, /* -1 -1 */
+      -1, /* -1 0 */
+      -5, /* -1 1 */
+      -7, /* 0 -1 */
+      0, /* 0 0 */
+      7, /* 0 1 */
+      5, /* 1 -1 */
+      1, /* 1 0 */
+      3,  /* 1 1 */
+    ];
+
+    var jsf = getJSF(coeffs[a], coeffs[b]);
+    max = Math.max(jsf[0].length, max);
+    naf[a] = new Array(max);
+    naf[b] = new Array(max);
+    for (j = 0; j < max; j++) {
+      var ja = jsf[0][j] | 0;
+      var jb = jsf[1][j] | 0;
+
+      naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
+      naf[b][j] = 0;
+      wnd[a] = comb;
+    }
+  }
+
+  var acc = this.jpoint(null, null, null);
+  var tmp = this._wnafT4;
+  for (i = max; i >= 0; i--) {
+    var k = 0;
+
+    while (i >= 0) {
+      var zero = true;
+      for (j = 0; j < len; j++) {
+        tmp[j] = naf[j][i] | 0;
+        if (tmp[j] !== 0)
+          zero = false;
+      }
+      if (!zero)
+        break;
+      k++;
+      i--;
+    }
+    if (i >= 0)
+      k++;
+    acc = acc.dblp(k);
+    if (i < 0)
+      break;
+
+    for (j = 0; j < len; j++) {
+      var z = tmp[j];
+      p;
+      if (z === 0)
+        continue;
+      else if (z > 0)
+        p = wnd[j][(z - 1) >> 1];
+      else if (z < 0)
+        p = wnd[j][(-z - 1) >> 1].neg();
+
+      if (p.type === 'affine')
+        acc = acc.mixedAdd(p);
+      else
+        acc = acc.add(p);
+    }
+  }
+  // Zeroify references
+  for (i = 0; i < len; i++)
+    wnd[i] = null;
+
+  if (jacobianResult)
+    return acc;
+  else
+    return acc.toP();
+};
+
+function BasePoint(curve, type) {
+  this.curve = curve;
+  this.type = type;
+  this.precomputed = null;
+}
+BaseCurve.BasePoint = BasePoint;
+
+BasePoint.prototype.eq = function eq(/*other*/) {
+  throw new Error('Not implemented');
+};
+
+BasePoint.prototype.validate = function validate() {
+  return this.curve.validate(this);
+};
+
+BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+  bytes = utils.toArray(bytes, enc);
+
+  var len = this.p.byteLength();
+
+  // uncompressed, hybrid-odd, hybrid-even
+  if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
+      bytes.length - 1 === 2 * len) {
+    if (bytes[0] === 0x06)
+      assert(bytes[bytes.length - 1] % 2 === 0);
+    else if (bytes[0] === 0x07)
+      assert(bytes[bytes.length - 1] % 2 === 1);
+
+    var res =  this.point(bytes.slice(1, 1 + len),
+      bytes.slice(1 + len, 1 + 2 * len));
+
+    return res;
+  } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
+              bytes.length - 1 === len) {
+    return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
+  }
+  throw new Error('Unknown point format');
+};
+
+BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
+  return this.encode(enc, true);
+};
+
+BasePoint.prototype._encode = function _encode(compact) {
+  var len = this.curve.p.byteLength();
+  var x = this.getX().toArray('be', len);
+
+  if (compact)
+    return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
+
+  return [ 0x04 ].concat(x, this.getY().toArray('be', len));
+};
+
+BasePoint.prototype.encode = function encode(enc, compact) {
+  return utils.encode(this._encode(compact), enc);
+};
+
+BasePoint.prototype.precompute = function precompute(power) {
+  if (this.precomputed)
+    return this;
+
+  var precomputed = {
+    doubles: null,
+    naf: null,
+    beta: null,
+  };
+  precomputed.naf = this._getNAFPoints(8);
+  precomputed.doubles = this._getDoubles(4, power);
+  precomputed.beta = this._getBeta();
+  this.precomputed = precomputed;
+
+  return this;
+};
+
+BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
+  if (!this.precomputed)
+    return false;
+
+  var doubles = this.precomputed.doubles;
+  if (!doubles)
+    return false;
+
+  return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
+};
+
+BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
+  if (this.precomputed && this.precomputed.doubles)
+    return this.precomputed.doubles;
+
+  var doubles = [ this ];
+  var acc = this;
+  for (var i = 0; i < power; i += step) {
+    for (var j = 0; j < step; j++)
+      acc = acc.dbl();
+    doubles.push(acc);
+  }
+  return {
+    step: step,
+    points: doubles,
+  };
+};
+
+BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
+  if (this.precomputed && this.precomputed.naf)
+    return this.precomputed.naf;
+
+  var res = [ this ];
+  var max = (1 << wnd) - 1;
+  var dbl = max === 1 ? null : this.dbl();
+  for (var i = 1; i < max; i++)
+    res[i] = res[i - 1].add(dbl);
+  return {
+    wnd: wnd,
+    points: res,
+  };
+};
+
+BasePoint.prototype._getBeta = function _getBeta() {
+  return null;
+};
+
+BasePoint.prototype.dblp = function dblp(k) {
+  var r = this;
+  for (var i = 0; i < k; i++)
+    r = r.dbl();
+  return r;
+};
diff --git a/node_modules/elliptic/lib/elliptic/curve/edwards.js b/node_modules/elliptic/lib/elliptic/curve/edwards.js
new file mode 100644
index 00000000..6e757c6d
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curve/edwards.js
@@ -0,0 +1,435 @@
+'use strict';
+
+var utils = require('../utils');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = require('./base');
+
+var assert = utils.assert;
+
+function EdwardsCurve(conf) {
+  // NOTE: Important as we are creating point in Base.call()
+  this.twisted = (conf.a | 0) !== 1;
+  this.mOneA = this.twisted && (conf.a | 0) === -1;
+  this.extended = this.mOneA;
+
+  Base.call(this, 'edwards', conf);
+
+  this.a = new BN(conf.a, 16).umod(this.red.m);
+  this.a = this.a.toRed(this.red);
+  this.c = new BN(conf.c, 16).toRed(this.red);
+  this.c2 = this.c.redSqr();
+  this.d = new BN(conf.d, 16).toRed(this.red);
+  this.dd = this.d.redAdd(this.d);
+
+  assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
+  this.oneC = (conf.c | 0) === 1;
+}
+inherits(EdwardsCurve, Base);
+module.exports = EdwardsCurve;
+
+EdwardsCurve.prototype._mulA = function _mulA(num) {
+  if (this.mOneA)
+    return num.redNeg();
+  else
+    return this.a.redMul(num);
+};
+
+EdwardsCurve.prototype._mulC = function _mulC(num) {
+  if (this.oneC)
+    return num;
+  else
+    return this.c.redMul(num);
+};
+
+// Just for compatibility with Short curve
+EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
+  return this.point(x, y, z, t);
+};
+
+EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
+  x = new BN(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var x2 = x.redSqr();
+  var rhs = this.c2.redSub(this.a.redMul(x2));
+  var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
+
+  var y2 = rhs.redMul(lhs.redInvm());
+  var y = y2.redSqrt();
+  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y);
+};
+
+EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
+  y = new BN(y, 16);
+  if (!y.red)
+    y = y.toRed(this.red);
+
+  // x^2 = (y^2 - c^2) / (c^2 d y^2 - a)
+  var y2 = y.redSqr();
+  var lhs = y2.redSub(this.c2);
+  var rhs = y2.redMul(this.d).redMul(this.c2).redSub(this.a);
+  var x2 = lhs.redMul(rhs.redInvm());
+
+  if (x2.cmp(this.zero) === 0) {
+    if (odd)
+      throw new Error('invalid point');
+    else
+      return this.point(this.zero, y);
+  }
+
+  var x = x2.redSqrt();
+  if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  if (x.fromRed().isOdd() !== odd)
+    x = x.redNeg();
+
+  return this.point(x, y);
+};
+
+EdwardsCurve.prototype.validate = function validate(point) {
+  if (point.isInfinity())
+    return true;
+
+  // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
+  point.normalize();
+
+  var x2 = point.x.redSqr();
+  var y2 = point.y.redSqr();
+  var lhs = x2.redMul(this.a).redAdd(y2);
+  var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
+
+  return lhs.cmp(rhs) === 0;
+};
+
+function Point(curve, x, y, z, t) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.zero;
+    this.y = this.curve.one;
+    this.z = this.curve.one;
+    this.t = this.curve.zero;
+    this.zOne = true;
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    this.z = z ? new BN(z, 16) : this.curve.one;
+    this.t = t && new BN(t, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+    if (this.t && !this.t.red)
+      this.t = this.t.toRed(this.curve.red);
+    this.zOne = this.z === this.curve.one;
+
+    // Use extended coordinates
+    if (this.curve.extended && !this.t) {
+      this.t = this.x.redMul(this.y);
+      if (!this.zOne)
+        this.t = this.t.redMul(this.z.redInvm());
+    }
+  }
+}
+inherits(Point, Base.BasePoint);
+
+EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+EdwardsCurve.prototype.point = function point(x, y, z, t) {
+  return new Point(this, x, y, z, t);
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1], obj[2]);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.x.cmpn(0) === 0 &&
+    (this.y.cmp(this.z) === 0 ||
+    (this.zOne && this.y.cmp(this.curve.c) === 0));
+};
+
+Point.prototype._extDbl = function _extDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #doubling-dbl-2008-hwcd
+  // 4M + 4S
+
+  // A = X1^2
+  var a = this.x.redSqr();
+  // B = Y1^2
+  var b = this.y.redSqr();
+  // C = 2 * Z1^2
+  var c = this.z.redSqr();
+  c = c.redIAdd(c);
+  // D = a * A
+  var d = this.curve._mulA(a);
+  // E = (X1 + Y1)^2 - A - B
+  var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
+  // G = D + B
+  var g = d.redAdd(b);
+  // F = G - C
+  var f = g.redSub(c);
+  // H = D - B
+  var h = d.redSub(b);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projDbl = function _projDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #doubling-dbl-2008-bbjlp
+  //     #doubling-dbl-2007-bl
+  // and others
+  // Generally 3M + 4S or 2M + 4S
+
+  // B = (X1 + Y1)^2
+  var b = this.x.redAdd(this.y).redSqr();
+  // C = X1^2
+  var c = this.x.redSqr();
+  // D = Y1^2
+  var d = this.y.redSqr();
+
+  var nx;
+  var ny;
+  var nz;
+  var e;
+  var h;
+  var j;
+  if (this.curve.twisted) {
+    // E = a * C
+    e = this.curve._mulA(c);
+    // F = E + D
+    var f = e.redAdd(d);
+    if (this.zOne) {
+      // X3 = (B - C - D) * (F - 2)
+      nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F^2 - 2 * F
+      nz = f.redSqr().redSub(f).redSub(f);
+    } else {
+      // H = Z1^2
+      h = this.z.redSqr();
+      // J = F - 2 * H
+      j = f.redSub(h).redISub(h);
+      // X3 = (B-C-D)*J
+      nx = b.redSub(c).redISub(d).redMul(j);
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F * J
+      nz = f.redMul(j);
+    }
+  } else {
+    // E = C + D
+    e = c.redAdd(d);
+    // H = (c * Z1)^2
+    h = this.curve._mulC(this.z).redSqr();
+    // J = E - 2 * H
+    j = e.redSub(h).redSub(h);
+    // X3 = c * (B - E) * J
+    nx = this.curve._mulC(b.redISub(e)).redMul(j);
+    // Y3 = c * E * (C - D)
+    ny = this.curve._mulC(e).redMul(c.redISub(d));
+    // Z3 = E * J
+    nz = e.redMul(j);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  // Double in extended coordinates
+  if (this.curve.extended)
+    return this._extDbl();
+  else
+    return this._projDbl();
+};
+
+Point.prototype._extAdd = function _extAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #addition-add-2008-hwcd-3
+  // 8M
+
+  // A = (Y1 - X1) * (Y2 - X2)
+  var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
+  // B = (Y1 + X1) * (Y2 + X2)
+  var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
+  // C = T1 * k * T2
+  var c = this.t.redMul(this.curve.dd).redMul(p.t);
+  // D = Z1 * 2 * Z2
+  var d = this.z.redMul(p.z.redAdd(p.z));
+  // E = B - A
+  var e = b.redSub(a);
+  // F = D - C
+  var f = d.redSub(c);
+  // G = D + C
+  var g = d.redAdd(c);
+  // H = B + A
+  var h = b.redAdd(a);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projAdd = function _projAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #addition-add-2008-bbjlp
+  //     #addition-add-2007-bl
+  // 10M + 1S
+
+  // A = Z1 * Z2
+  var a = this.z.redMul(p.z);
+  // B = A^2
+  var b = a.redSqr();
+  // C = X1 * X2
+  var c = this.x.redMul(p.x);
+  // D = Y1 * Y2
+  var d = this.y.redMul(p.y);
+  // E = d * C * D
+  var e = this.curve.d.redMul(c).redMul(d);
+  // F = B - E
+  var f = b.redSub(e);
+  // G = B + E
+  var g = b.redAdd(e);
+  // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
+  var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
+  var nx = a.redMul(f).redMul(tmp);
+  var ny;
+  var nz;
+  if (this.curve.twisted) {
+    // Y3 = A * G * (D - a * C)
+    ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
+    // Z3 = F * G
+    nz = f.redMul(g);
+  } else {
+    // Y3 = A * G * (D - C)
+    ny = a.redMul(g).redMul(d.redSub(c));
+    // Z3 = c * F * G
+    nz = this.curve._mulC(f).redMul(g);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.add = function add(p) {
+  if (this.isInfinity())
+    return p;
+  if (p.isInfinity())
+    return this;
+
+  if (this.curve.extended)
+    return this._extAdd(p);
+  else
+    return this._projAdd(p);
+};
+
+Point.prototype.mul = function mul(k) {
+  if (this._hasDoubles(k))
+    return this.curve._fixedNafMul(this, k);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
+  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
+  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
+};
+
+Point.prototype.normalize = function normalize() {
+  if (this.zOne)
+    return this;
+
+  // Normalize coordinates
+  var zi = this.z.redInvm();
+  this.x = this.x.redMul(zi);
+  this.y = this.y.redMul(zi);
+  if (this.t)
+    this.t = this.t.redMul(zi);
+  this.z = this.curve.one;
+  this.zOne = true;
+  return this;
+};
+
+Point.prototype.neg = function neg() {
+  return this.curve.point(this.x.redNeg(),
+    this.y,
+    this.z,
+    this.t && this.t.redNeg());
+};
+
+Point.prototype.getX = function getX() {
+  this.normalize();
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  this.normalize();
+  return this.y.fromRed();
+};
+
+Point.prototype.eq = function eq(other) {
+  return this === other ||
+         this.getX().cmp(other.getX()) === 0 &&
+         this.getY().cmp(other.getY()) === 0;
+};
+
+Point.prototype.eqXToP = function eqXToP(x) {
+  var rx = x.toRed(this.curve.red).redMul(this.z);
+  if (this.x.cmp(rx) === 0)
+    return true;
+
+  var xc = x.clone();
+  var t = this.curve.redN.redMul(this.z);
+  for (;;) {
+    xc.iadd(this.curve.n);
+    if (xc.cmp(this.curve.p) >= 0)
+      return false;
+
+    rx.redIAdd(t);
+    if (this.x.cmp(rx) === 0)
+      return true;
+  }
+};
+
+// Compatibility with BaseCurve
+Point.prototype.toP = Point.prototype.normalize;
+Point.prototype.mixedAdd = Point.prototype.add;
diff --git a/node_modules/elliptic/lib/elliptic/curve/index.js b/node_modules/elliptic/lib/elliptic/curve/index.js
new file mode 100644
index 00000000..c589281d
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curve/index.js
@@ -0,0 +1,8 @@
+'use strict';
+
+var curve = exports;
+
+curve.base = require('./base');
+curve.short = require('./short');
+curve.mont = require('./mont');
+curve.edwards = require('./edwards');
diff --git a/node_modules/elliptic/lib/elliptic/curve/mont.js b/node_modules/elliptic/lib/elliptic/curve/mont.js
new file mode 100644
index 00000000..4b9f80fd
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curve/mont.js
@@ -0,0 +1,178 @@
+'use strict';
+
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = require('./base');
+
+var utils = require('../utils');
+
+function MontCurve(conf) {
+  Base.call(this, 'mont', conf);
+
+  this.a = new BN(conf.a, 16).toRed(this.red);
+  this.b = new BN(conf.b, 16).toRed(this.red);
+  this.i4 = new BN(4).toRed(this.red).redInvm();
+  this.two = new BN(2).toRed(this.red);
+  this.a24 = this.i4.redMul(this.a.redAdd(this.two));
+}
+inherits(MontCurve, Base);
+module.exports = MontCurve;
+
+MontCurve.prototype.validate = function validate(point) {
+  var x = point.normalize().x;
+  var x2 = x.redSqr();
+  var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
+  var y = rhs.redSqrt();
+
+  return y.redSqr().cmp(rhs) === 0;
+};
+
+function Point(curve, x, z) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && z === null) {
+    this.x = this.curve.one;
+    this.z = this.curve.zero;
+  } else {
+    this.x = new BN(x, 16);
+    this.z = new BN(z, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+  }
+}
+inherits(Point, Base.BasePoint);
+
+MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+  return this.point(utils.toArray(bytes, enc), 1);
+};
+
+MontCurve.prototype.point = function point(x, z) {
+  return new Point(this, x, z);
+};
+
+MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+Point.prototype.precompute = function precompute() {
+  // No-op
+};
+
+Point.prototype._encode = function _encode() {
+  return this.getX().toArray('be', this.curve.p.byteLength());
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1] || curve.one);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
+
+Point.prototype.dbl = function dbl() {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
+  // 2M + 2S + 4A
+
+  // A = X1 + Z1
+  var a = this.x.redAdd(this.z);
+  // AA = A^2
+  var aa = a.redSqr();
+  // B = X1 - Z1
+  var b = this.x.redSub(this.z);
+  // BB = B^2
+  var bb = b.redSqr();
+  // C = AA - BB
+  var c = aa.redSub(bb);
+  // X3 = AA * BB
+  var nx = aa.redMul(bb);
+  // Z3 = C * (BB + A24 * C)
+  var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.add = function add() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.diffAdd = function diffAdd(p, diff) {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
+  // 4M + 2S + 6A
+
+  // A = X2 + Z2
+  var a = this.x.redAdd(this.z);
+  // B = X2 - Z2
+  var b = this.x.redSub(this.z);
+  // C = X3 + Z3
+  var c = p.x.redAdd(p.z);
+  // D = X3 - Z3
+  var d = p.x.redSub(p.z);
+  // DA = D * A
+  var da = d.redMul(a);
+  // CB = C * B
+  var cb = c.redMul(b);
+  // X5 = Z1 * (DA + CB)^2
+  var nx = diff.z.redMul(da.redAdd(cb).redSqr());
+  // Z5 = X1 * (DA - CB)^2
+  var nz = diff.x.redMul(da.redISub(cb).redSqr());
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.mul = function mul(k) {
+  var t = k.clone();
+  var a = this; // (N / 2) * Q + Q
+  var b = this.curve.point(null, null); // (N / 2) * Q
+  var c = this; // Q
+
+  for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
+    bits.push(t.andln(1));
+
+  for (var i = bits.length - 1; i >= 0; i--) {
+    if (bits[i] === 0) {
+      // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
+      a = a.diffAdd(b, c);
+      // N * Q = 2 * ((N / 2) * Q + Q))
+      b = b.dbl();
+    } else {
+      // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
+      b = a.diffAdd(b, c);
+      // N * Q + Q = 2 * ((N / 2) * Q + Q)
+      a = a.dbl();
+    }
+  }
+  return b;
+};
+
+Point.prototype.mulAdd = function mulAdd() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.jumlAdd = function jumlAdd() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.eq = function eq(other) {
+  return this.getX().cmp(other.getX()) === 0;
+};
+
+Point.prototype.normalize = function normalize() {
+  this.x = this.x.redMul(this.z.redInvm());
+  this.z = this.curve.one;
+  return this;
+};
+
+Point.prototype.getX = function getX() {
+  // Normalize coordinates
+  this.normalize();
+
+  return this.x.fromRed();
+};
diff --git a/node_modules/elliptic/lib/elliptic/curve/short.js b/node_modules/elliptic/lib/elliptic/curve/short.js
new file mode 100644
index 00000000..eec36ec5
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curve/short.js
@@ -0,0 +1,938 @@
+'use strict';
+
+var utils = require('../utils');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = require('./base');
+
+var assert = utils.assert;
+
+function ShortCurve(conf) {
+  Base.call(this, 'short', conf);
+
+  this.a = new BN(conf.a, 16).toRed(this.red);
+  this.b = new BN(conf.b, 16).toRed(this.red);
+  this.tinv = this.two.redInvm();
+
+  this.zeroA = this.a.fromRed().cmpn(0) === 0;
+  this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
+
+  // If the curve is endomorphic, precalculate beta and lambda
+  this.endo = this._getEndomorphism(conf);
+  this._endoWnafT1 = new Array(4);
+  this._endoWnafT2 = new Array(4);
+}
+inherits(ShortCurve, Base);
+module.exports = ShortCurve;
+
+ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
+  // No efficient endomorphism
+  if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
+    return;
+
+  // Compute beta and lambda, that lambda * P = (beta * Px; Py)
+  var beta;
+  var lambda;
+  if (conf.beta) {
+    beta = new BN(conf.beta, 16).toRed(this.red);
+  } else {
+    var betas = this._getEndoRoots(this.p);
+    // Choose the smallest beta
+    beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
+    beta = beta.toRed(this.red);
+  }
+  if (conf.lambda) {
+    lambda = new BN(conf.lambda, 16);
+  } else {
+    // Choose the lambda that is matching selected beta
+    var lambdas = this._getEndoRoots(this.n);
+    if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
+      lambda = lambdas[0];
+    } else {
+      lambda = lambdas[1];
+      assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
+    }
+  }
+
+  // Get basis vectors, used for balanced length-two representation
+  var basis;
+  if (conf.basis) {
+    basis = conf.basis.map(function(vec) {
+      return {
+        a: new BN(vec.a, 16),
+        b: new BN(vec.b, 16),
+      };
+    });
+  } else {
+    basis = this._getEndoBasis(lambda);
+  }
+
+  return {
+    beta: beta,
+    lambda: lambda,
+    basis: basis,
+  };
+};
+
+ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
+  // Find roots of for x^2 + x + 1 in F
+  // Root = (-1 +- Sqrt(-3)) / 2
+  //
+  var red = num === this.p ? this.red : BN.mont(num);
+  var tinv = new BN(2).toRed(red).redInvm();
+  var ntinv = tinv.redNeg();
+
+  var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
+
+  var l1 = ntinv.redAdd(s).fromRed();
+  var l2 = ntinv.redSub(s).fromRed();
+  return [ l1, l2 ];
+};
+
+ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
+  // aprxSqrt >= sqrt(this.n)
+  var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
+
+  // 3.74
+  // Run EGCD, until r(L + 1) < aprxSqrt
+  var u = lambda;
+  var v = this.n.clone();
+  var x1 = new BN(1);
+  var y1 = new BN(0);
+  var x2 = new BN(0);
+  var y2 = new BN(1);
+
+  // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
+  var a0;
+  var b0;
+  // First vector
+  var a1;
+  var b1;
+  // Second vector
+  var a2;
+  var b2;
+
+  var prevR;
+  var i = 0;
+  var r;
+  var x;
+  while (u.cmpn(0) !== 0) {
+    var q = v.div(u);
+    r = v.sub(q.mul(u));
+    x = x2.sub(q.mul(x1));
+    var y = y2.sub(q.mul(y1));
+
+    if (!a1 && r.cmp(aprxSqrt) < 0) {
+      a0 = prevR.neg();
+      b0 = x1;
+      a1 = r.neg();
+      b1 = x;
+    } else if (a1 && ++i === 2) {
+      break;
+    }
+    prevR = r;
+
+    v = u;
+    u = r;
+    x2 = x1;
+    x1 = x;
+    y2 = y1;
+    y1 = y;
+  }
+  a2 = r.neg();
+  b2 = x;
+
+  var len1 = a1.sqr().add(b1.sqr());
+  var len2 = a2.sqr().add(b2.sqr());
+  if (len2.cmp(len1) >= 0) {
+    a2 = a0;
+    b2 = b0;
+  }
+
+  // Normalize signs
+  if (a1.negative) {
+    a1 = a1.neg();
+    b1 = b1.neg();
+  }
+  if (a2.negative) {
+    a2 = a2.neg();
+    b2 = b2.neg();
+  }
+
+  return [
+    { a: a1, b: b1 },
+    { a: a2, b: b2 },
+  ];
+};
+
+ShortCurve.prototype._endoSplit = function _endoSplit(k) {
+  var basis = this.endo.basis;
+  var v1 = basis[0];
+  var v2 = basis[1];
+
+  var c1 = v2.b.mul(k).divRound(this.n);
+  var c2 = v1.b.neg().mul(k).divRound(this.n);
+
+  var p1 = c1.mul(v1.a);
+  var p2 = c2.mul(v2.a);
+  var q1 = c1.mul(v1.b);
+  var q2 = c2.mul(v2.b);
+
+  // Calculate answer
+  var k1 = k.sub(p1).sub(p2);
+  var k2 = q1.add(q2).neg();
+  return { k1: k1, k2: k2 };
+};
+
+ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
+  x = new BN(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
+  var y = y2.redSqrt();
+  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  // XXX Is there any way to tell if the number is odd without converting it
+  // to non-red form?
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y);
+};
+
+ShortCurve.prototype.validate = function validate(point) {
+  if (point.inf)
+    return true;
+
+  var x = point.x;
+  var y = point.y;
+
+  var ax = this.a.redMul(x);
+  var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
+  return y.redSqr().redISub(rhs).cmpn(0) === 0;
+};
+
+ShortCurve.prototype._endoWnafMulAdd =
+    function _endoWnafMulAdd(points, coeffs, jacobianResult) {
+      var npoints = this._endoWnafT1;
+      var ncoeffs = this._endoWnafT2;
+      for (var i = 0; i < points.length; i++) {
+        var split = this._endoSplit(coeffs[i]);
+        var p = points[i];
+        var beta = p._getBeta();
+
+        if (split.k1.negative) {
+          split.k1.ineg();
+          p = p.neg(true);
+        }
+        if (split.k2.negative) {
+          split.k2.ineg();
+          beta = beta.neg(true);
+        }
+
+        npoints[i * 2] = p;
+        npoints[i * 2 + 1] = beta;
+        ncoeffs[i * 2] = split.k1;
+        ncoeffs[i * 2 + 1] = split.k2;
+      }
+      var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
+
+      // Clean-up references to points and coefficients
+      for (var j = 0; j < i * 2; j++) {
+        npoints[j] = null;
+        ncoeffs[j] = null;
+      }
+      return res;
+    };
+
+function Point(curve, x, y, isRed) {
+  Base.BasePoint.call(this, curve, 'affine');
+  if (x === null && y === null) {
+    this.x = null;
+    this.y = null;
+    this.inf = true;
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    // Force redgomery representation when loading from JSON
+    if (isRed) {
+      this.x.forceRed(this.curve.red);
+      this.y.forceRed(this.curve.red);
+    }
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    this.inf = false;
+  }
+}
+inherits(Point, Base.BasePoint);
+
+ShortCurve.prototype.point = function point(x, y, isRed) {
+  return new Point(this, x, y, isRed);
+};
+
+ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
+  return Point.fromJSON(this, obj, red);
+};
+
+Point.prototype._getBeta = function _getBeta() {
+  if (!this.curve.endo)
+    return;
+
+  var pre = this.precomputed;
+  if (pre && pre.beta)
+    return pre.beta;
+
+  var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
+  if (pre) {
+    var curve = this.curve;
+    var endoMul = function(p) {
+      return curve.point(p.x.redMul(curve.endo.beta), p.y);
+    };
+    pre.beta = beta;
+    beta.precomputed = {
+      beta: null,
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(endoMul),
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(endoMul),
+      },
+    };
+  }
+  return beta;
+};
+
+Point.prototype.toJSON = function toJSON() {
+  if (!this.precomputed)
+    return [ this.x, this.y ];
+
+  return [ this.x, this.y, this.precomputed && {
+    doubles: this.precomputed.doubles && {
+      step: this.precomputed.doubles.step,
+      points: this.precomputed.doubles.points.slice(1),
+    },
+    naf: this.precomputed.naf && {
+      wnd: this.precomputed.naf.wnd,
+      points: this.precomputed.naf.points.slice(1),
+    },
+  } ];
+};
+
+Point.fromJSON = function fromJSON(curve, obj, red) {
+  if (typeof obj === 'string')
+    obj = JSON.parse(obj);
+  var res = curve.point(obj[0], obj[1], red);
+  if (!obj[2])
+    return res;
+
+  function obj2point(obj) {
+    return curve.point(obj[0], obj[1], red);
+  }
+
+  var pre = obj[2];
+  res.precomputed = {
+    beta: null,
+    doubles: pre.doubles && {
+      step: pre.doubles.step,
+      points: [ res ].concat(pre.doubles.points.map(obj2point)),
+    },
+    naf: pre.naf && {
+      wnd: pre.naf.wnd,
+      points: [ res ].concat(pre.naf.points.map(obj2point)),
+    },
+  };
+  return res;
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  return this.inf;
+};
+
+Point.prototype.add = function add(p) {
+  // O + P = P
+  if (this.inf)
+    return p;
+
+  // P + O = P
+  if (p.inf)
+    return this;
+
+  // P + P = 2P
+  if (this.eq(p))
+    return this.dbl();
+
+  // P + (-P) = O
+  if (this.neg().eq(p))
+    return this.curve.point(null, null);
+
+  // P + Q = O
+  if (this.x.cmp(p.x) === 0)
+    return this.curve.point(null, null);
+
+  var c = this.y.redSub(p.y);
+  if (c.cmpn(0) !== 0)
+    c = c.redMul(this.x.redSub(p.x).redInvm());
+  var nx = c.redSqr().redISub(this.x).redISub(p.x);
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.inf)
+    return this;
+
+  // 2P = O
+  var ys1 = this.y.redAdd(this.y);
+  if (ys1.cmpn(0) === 0)
+    return this.curve.point(null, null);
+
+  var a = this.curve.a;
+
+  var x2 = this.x.redSqr();
+  var dyinv = ys1.redInvm();
+  var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
+
+  var nx = c.redSqr().redISub(this.x.redAdd(this.x));
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.getX = function getX() {
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  return this.y.fromRed();
+};
+
+Point.prototype.mul = function mul(k) {
+  k = new BN(k, 16);
+  if (this.isInfinity())
+    return this;
+  else if (this._hasDoubles(k))
+    return this.curve._fixedNafMul(this, k);
+  else if (this.curve.endo)
+    return this.curve._endoWnafMulAdd([ this ], [ k ]);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
+  var points = [ this, p2 ];
+  var coeffs = [ k1, k2 ];
+  if (this.curve.endo)
+    return this.curve._endoWnafMulAdd(points, coeffs);
+  else
+    return this.curve._wnafMulAdd(1, points, coeffs, 2);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
+  var points = [ this, p2 ];
+  var coeffs = [ k1, k2 ];
+  if (this.curve.endo)
+    return this.curve._endoWnafMulAdd(points, coeffs, true);
+  else
+    return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
+};
+
+Point.prototype.eq = function eq(p) {
+  return this === p ||
+         this.inf === p.inf &&
+             (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
+};
+
+Point.prototype.neg = function neg(_precompute) {
+  if (this.inf)
+    return this;
+
+  var res = this.curve.point(this.x, this.y.redNeg());
+  if (_precompute && this.precomputed) {
+    var pre = this.precomputed;
+    var negate = function(p) {
+      return p.neg();
+    };
+    res.precomputed = {
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(negate),
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(negate),
+      },
+    };
+  }
+  return res;
+};
+
+Point.prototype.toJ = function toJ() {
+  if (this.inf)
+    return this.curve.jpoint(null, null, null);
+
+  var res = this.curve.jpoint(this.x, this.y, this.curve.one);
+  return res;
+};
+
+function JPoint(curve, x, y, z) {
+  Base.BasePoint.call(this, curve, 'jacobian');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.one;
+    this.y = this.curve.one;
+    this.z = new BN(0);
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    this.z = new BN(z, 16);
+  }
+  if (!this.x.red)
+    this.x = this.x.toRed(this.curve.red);
+  if (!this.y.red)
+    this.y = this.y.toRed(this.curve.red);
+  if (!this.z.red)
+    this.z = this.z.toRed(this.curve.red);
+
+  this.zOne = this.z === this.curve.one;
+}
+inherits(JPoint, Base.BasePoint);
+
+ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
+  return new JPoint(this, x, y, z);
+};
+
+JPoint.prototype.toP = function toP() {
+  if (this.isInfinity())
+    return this.curve.point(null, null);
+
+  var zinv = this.z.redInvm();
+  var zinv2 = zinv.redSqr();
+  var ax = this.x.redMul(zinv2);
+  var ay = this.y.redMul(zinv2).redMul(zinv);
+
+  return this.curve.point(ax, ay);
+};
+
+JPoint.prototype.neg = function neg() {
+  return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
+};
+
+JPoint.prototype.add = function add(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p;
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 12M + 4S + 7A
+  var pz2 = p.z.redSqr();
+  var z2 = this.z.redSqr();
+  var u1 = this.x.redMul(pz2);
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y.redMul(pz2.redMul(p.z));
+  var s2 = p.y.redMul(z2.redMul(this.z));
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(p.z).redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mixedAdd = function mixedAdd(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p.toJ();
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 8M + 3S + 7A
+  var z2 = this.z.redSqr();
+  var u1 = this.x;
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y;
+  var s2 = p.y.redMul(z2).redMul(this.z);
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.dblp = function dblp(pow) {
+  if (pow === 0)
+    return this;
+  if (this.isInfinity())
+    return this;
+  if (!pow)
+    return this.dbl();
+
+  var i;
+  if (this.curve.zeroA || this.curve.threeA) {
+    var r = this;
+    for (i = 0; i < pow; i++)
+      r = r.dbl();
+    return r;
+  }
+
+  // 1M + 2S + 1A + N * (4S + 5M + 8A)
+  // N = 1 => 6M + 6S + 9A
+  var a = this.curve.a;
+  var tinv = this.curve.tinv;
+
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  // Reuse results
+  var jyd = jy.redAdd(jy);
+  for (i = 0; i < pow; i++) {
+    var jx2 = jx.redSqr();
+    var jyd2 = jyd.redSqr();
+    var jyd4 = jyd2.redSqr();
+    var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+    var t1 = jx.redMul(jyd2);
+    var nx = c.redSqr().redISub(t1.redAdd(t1));
+    var t2 = t1.redISub(nx);
+    var dny = c.redMul(t2);
+    dny = dny.redIAdd(dny).redISub(jyd4);
+    var nz = jyd.redMul(jz);
+    if (i + 1 < pow)
+      jz4 = jz4.redMul(jyd4);
+
+    jx = nx;
+    jz = nz;
+    jyd = dny;
+  }
+
+  return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
+};
+
+JPoint.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  if (this.curve.zeroA)
+    return this._zeroDbl();
+  else if (this.curve.threeA)
+    return this._threeDbl();
+  else
+    return this._dbl();
+};
+
+JPoint.prototype._zeroDbl = function _zeroDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 14A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a; a = 0
+    var m = xx.redAdd(xx).redIAdd(xx);
+    // T = M ^ 2 - 2*S
+    var t = m.redSqr().redISub(s).redISub(s);
+
+    // 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2*Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-dbl-2009-l
+    // 2M + 5S + 13A
+
+    // A = X1^2
+    var a = this.x.redSqr();
+    // B = Y1^2
+    var b = this.y.redSqr();
+    // C = B^2
+    var c = b.redSqr();
+    // D = 2 * ((X1 + B)^2 - A - C)
+    var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
+    d = d.redIAdd(d);
+    // E = 3 * A
+    var e = a.redAdd(a).redIAdd(a);
+    // F = E^2
+    var f = e.redSqr();
+
+    // 8 * C
+    var c8 = c.redIAdd(c);
+    c8 = c8.redIAdd(c8);
+    c8 = c8.redIAdd(c8);
+
+    // X3 = F - 2 * D
+    nx = f.redISub(d).redISub(d);
+    // Y3 = E * (D - X3) - 8 * C
+    ny = e.redMul(d.redISub(nx)).redISub(c8);
+    // Z3 = 2 * Y1 * Z1
+    nz = this.y.redMul(this.z);
+    nz = nz.redIAdd(nz);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._threeDbl = function _threeDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 15A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a
+    var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
+    // T = M^2 - 2 * S
+    var t = m.redSqr().redISub(s).redISub(s);
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2 * Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
+    // 3M + 5S
+
+    // delta = Z1^2
+    var delta = this.z.redSqr();
+    // gamma = Y1^2
+    var gamma = this.y.redSqr();
+    // beta = X1 * gamma
+    var beta = this.x.redMul(gamma);
+    // alpha = 3 * (X1 - delta) * (X1 + delta)
+    var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
+    alpha = alpha.redAdd(alpha).redIAdd(alpha);
+    // X3 = alpha^2 - 8 * beta
+    var beta4 = beta.redIAdd(beta);
+    beta4 = beta4.redIAdd(beta4);
+    var beta8 = beta4.redAdd(beta4);
+    nx = alpha.redSqr().redISub(beta8);
+    // Z3 = (Y1 + Z1)^2 - gamma - delta
+    nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
+    // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
+    var ggamma8 = gamma.redSqr();
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._dbl = function _dbl() {
+  var a = this.curve.a;
+
+  // 4M + 6S + 10A
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  var jx2 = jx.redSqr();
+  var jy2 = jy.redSqr();
+
+  var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+  var jxd4 = jx.redAdd(jx);
+  jxd4 = jxd4.redIAdd(jxd4);
+  var t1 = jxd4.redMul(jy2);
+  var nx = c.redSqr().redISub(t1.redAdd(t1));
+  var t2 = t1.redISub(nx);
+
+  var jyd8 = jy2.redSqr();
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  var ny = c.redMul(t2).redISub(jyd8);
+  var nz = jy.redAdd(jy).redMul(jz);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.trpl = function trpl() {
+  if (!this.curve.zeroA)
+    return this.dbl().add(this);
+
+  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
+  // 5M + 10S + ...
+
+  // XX = X1^2
+  var xx = this.x.redSqr();
+  // YY = Y1^2
+  var yy = this.y.redSqr();
+  // ZZ = Z1^2
+  var zz = this.z.redSqr();
+  // YYYY = YY^2
+  var yyyy = yy.redSqr();
+  // M = 3 * XX + a * ZZ2; a = 0
+  var m = xx.redAdd(xx).redIAdd(xx);
+  // MM = M^2
+  var mm = m.redSqr();
+  // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
+  var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+  e = e.redIAdd(e);
+  e = e.redAdd(e).redIAdd(e);
+  e = e.redISub(mm);
+  // EE = E^2
+  var ee = e.redSqr();
+  // T = 16*YYYY
+  var t = yyyy.redIAdd(yyyy);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  // U = (M + E)^2 - MM - EE - T
+  var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
+  // X3 = 4 * (X1 * EE - 4 * YY * U)
+  var yyu4 = yy.redMul(u);
+  yyu4 = yyu4.redIAdd(yyu4);
+  yyu4 = yyu4.redIAdd(yyu4);
+  var nx = this.x.redMul(ee).redISub(yyu4);
+  nx = nx.redIAdd(nx);
+  nx = nx.redIAdd(nx);
+  // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
+  var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  // Z3 = (Z1 + E)^2 - ZZ - EE
+  var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mul = function mul(k, kbase) {
+  k = new BN(k, kbase);
+
+  return this.curve._wnafMul(this, k);
+};
+
+JPoint.prototype.eq = function eq(p) {
+  if (p.type === 'affine')
+    return this.eq(p.toJ());
+
+  if (this === p)
+    return true;
+
+  // x1 * z2^2 == x2 * z1^2
+  var z2 = this.z.redSqr();
+  var pz2 = p.z.redSqr();
+  if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
+    return false;
+
+  // y1 * z2^3 == y2 * z1^3
+  var z3 = z2.redMul(this.z);
+  var pz3 = pz2.redMul(p.z);
+  return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
+};
+
+JPoint.prototype.eqXToP = function eqXToP(x) {
+  var zs = this.z.redSqr();
+  var rx = x.toRed(this.curve.red).redMul(zs);
+  if (this.x.cmp(rx) === 0)
+    return true;
+
+  var xc = x.clone();
+  var t = this.curve.redN.redMul(zs);
+  for (;;) {
+    xc.iadd(this.curve.n);
+    if (xc.cmp(this.curve.p) >= 0)
+      return false;
+
+    rx.redIAdd(t);
+    if (this.x.cmp(rx) === 0)
+      return true;
+  }
+};
+
+JPoint.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC JPoint Infinity>';
+  return '<EC JPoint x: ' + this.x.toString(16, 2) +
+      ' y: ' + this.y.toString(16, 2) +
+      ' z: ' + this.z.toString(16, 2) + '>';
+};
+
+JPoint.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
diff --git a/node_modules/elliptic/lib/elliptic/curves.js b/node_modules/elliptic/lib/elliptic/curves.js
new file mode 100644
index 00000000..6c36e037
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/curves.js
@@ -0,0 +1,206 @@
+'use strict';
+
+var curves = exports;
+
+var hash = require('hash.js');
+var curve = require('./curve');
+var utils = require('./utils');
+
+var assert = utils.assert;
+
+function PresetCurve(options) {
+  if (options.type === 'short')
+    this.curve = new curve.short(options);
+  else if (options.type === 'edwards')
+    this.curve = new curve.edwards(options);
+  else
+    this.curve = new curve.mont(options);
+  this.g = this.curve.g;
+  this.n = this.curve.n;
+  this.hash = options.hash;
+
+  assert(this.g.validate(), 'Invalid curve');
+  assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
+}
+curves.PresetCurve = PresetCurve;
+
+function defineCurve(name, options) {
+  Object.defineProperty(curves, name, {
+    configurable: true,
+    enumerable: true,
+    get: function() {
+      var curve = new PresetCurve(options);
+      Object.defineProperty(curves, name, {
+        configurable: true,
+        enumerable: true,
+        value: curve,
+      });
+      return curve;
+    },
+  });
+}
+
+defineCurve('p192', {
+  type: 'short',
+  prime: 'p192',
+  p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
+  b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
+  n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
+    '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811',
+  ],
+});
+
+defineCurve('p224', {
+  type: 'short',
+  prime: 'p224',
+  p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
+  b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
+  n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
+    'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34',
+  ],
+});
+
+defineCurve('p256', {
+  type: 'short',
+  prime: null,
+  p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
+  a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
+  b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
+  n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
+    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5',
+  ],
+});
+
+defineCurve('p384', {
+  type: 'short',
+  prime: null,
+  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'fffffffe ffffffff 00000000 00000000 ffffffff',
+  a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'fffffffe ffffffff 00000000 00000000 fffffffc',
+  b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
+     '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
+  n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
+     'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
+  hash: hash.sha384,
+  gRed: false,
+  g: [
+    'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
+    '5502f25d bf55296c 3a545e38 72760ab7',
+    '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
+    '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f',
+  ],
+});
+
+defineCurve('p521', {
+  type: 'short',
+  prime: null,
+  p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff',
+  a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff fffffffc',
+  b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
+     '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
+     '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
+  n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
+     'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
+  hash: hash.sha512,
+  gRed: false,
+  g: [
+    '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
+    '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
+    'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
+    '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
+    '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
+    '3fad0761 353c7086 a272c240 88be9476 9fd16650',
+  ],
+});
+
+defineCurve('curve25519', {
+  type: 'mont',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '76d06',
+  b: '1',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '9',
+  ],
+});
+
+defineCurve('ed25519', {
+  type: 'edwards',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '-1',
+  c: '1',
+  // -121665 * (121666^(-1)) (mod P)
+  d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
+
+    // 4/5
+    '6666666666666666666666666666666666666666666666666666666666666658',
+  ],
+});
+
+var pre;
+try {
+  pre = require('./precomputed/secp256k1');
+} catch (e) {
+  pre = undefined;
+}
+
+defineCurve('secp256k1', {
+  type: 'short',
+  prime: 'k256',
+  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
+  a: '0',
+  b: '7',
+  n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
+  h: '1',
+  hash: hash.sha256,
+
+  // Precomputed endomorphism
+  beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
+  lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
+  basis: [
+    {
+      a: '3086d221a7d46bcde86c90e49284eb15',
+      b: '-e4437ed6010e88286f547fa90abfe4c3',
+    },
+    {
+      a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
+      b: '3086d221a7d46bcde86c90e49284eb15',
+    },
+  ],
+
+  gRed: false,
+  g: [
+    '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
+    '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
+    pre,
+  ],
+});
diff --git a/node_modules/elliptic/lib/elliptic/ec/index.js b/node_modules/elliptic/lib/elliptic/ec/index.js
new file mode 100644
index 00000000..a3fe37e3
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/ec/index.js
@@ -0,0 +1,278 @@
+'use strict';
+
+var BN = require('bn.js');
+var HmacDRBG = require('hmac-drbg');
+var utils = require('../utils');
+var curves = require('../curves');
+var rand = require('brorand');
+var assert = utils.assert;
+
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EC(options) {
+  if (!(this instanceof EC))
+    return new EC(options);
+
+  // Shortcut `elliptic.ec(curve-name)`
+  if (typeof options === 'string') {
+    assert(Object.prototype.hasOwnProperty.call(curves, options),
+      'Unknown curve ' + options);
+
+    options = curves[options];
+  }
+
+  // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
+  if (options instanceof curves.PresetCurve)
+    options = { curve: options };
+
+  this.curve = options.curve.curve;
+  this.n = this.curve.n;
+  this.nh = this.n.ushrn(1);
+  this.g = this.curve.g;
+
+  // Point on curve
+  this.g = options.curve.g;
+  this.g.precompute(options.curve.n.bitLength() + 1);
+
+  // Hash for function for DRBG
+  this.hash = options.hash || options.curve.hash;
+}
+module.exports = EC;
+
+EC.prototype.keyPair = function keyPair(options) {
+  return new KeyPair(this, options);
+};
+
+EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
+  return KeyPair.fromPrivate(this, priv, enc);
+};
+
+EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
+  return KeyPair.fromPublic(this, pub, enc);
+};
+
+EC.prototype.genKeyPair = function genKeyPair(options) {
+  if (!options)
+    options = {};
+
+  // Instantiate Hmac_DRBG
+  var drbg = new HmacDRBG({
+    hash: this.hash,
+    pers: options.pers,
+    persEnc: options.persEnc || 'utf8',
+    entropy: options.entropy || rand(this.hash.hmacStrength),
+    entropyEnc: options.entropy && options.entropyEnc || 'utf8',
+    nonce: this.n.toArray(),
+  });
+
+  var bytes = this.n.byteLength();
+  var ns2 = this.n.sub(new BN(2));
+  for (;;) {
+    var priv = new BN(drbg.generate(bytes));
+    if (priv.cmp(ns2) > 0)
+      continue;
+
+    priv.iaddn(1);
+    return this.keyFromPrivate(priv);
+  }
+};
+
+EC.prototype._truncateToN = function _truncateToN(msg, truncOnly, bitLength) {
+  var byteLength;
+  if (BN.isBN(msg) || typeof msg === 'number') {
+    msg = new BN(msg, 16);
+    byteLength = msg.byteLength();
+  } else if (typeof msg === 'object') {
+    // BN assumes an array-like input and asserts length
+    byteLength = msg.length;
+    msg = new BN(msg, 16);
+  } else {
+    // BN converts the value to string
+    var str = msg.toString();
+    // HEX encoding
+    byteLength = (str.length + 1) >>> 1;
+    msg = new BN(str, 16);
+  }
+  // Allow overriding
+  if (typeof bitLength !== 'number') {
+    bitLength = byteLength * 8;
+  }
+  var delta = bitLength - this.n.bitLength();
+  if (delta > 0)
+    msg = msg.ushrn(delta);
+  if (!truncOnly && msg.cmp(this.n) >= 0)
+    return msg.sub(this.n);
+  else
+    return msg;
+};
+
+EC.prototype.sign = function sign(msg, key, enc, options) {
+  if (typeof enc === 'object') {
+    options = enc;
+    enc = null;
+  }
+  if (!options)
+    options = {};
+
+  if (typeof msg !== 'string' && typeof msg !== 'number' && !BN.isBN(msg)) {
+    assert(typeof msg === 'object' && msg && typeof msg.length === 'number',
+      'Expected message to be an array-like, a hex string, or a BN instance');
+    assert((msg.length >>> 0) === msg.length); // non-negative 32-bit integer
+    for (var i = 0; i < msg.length; i++) assert((msg[i] & 255) === msg[i]);
+  }
+
+  key = this.keyFromPrivate(key, enc);
+  msg = this._truncateToN(msg, false, options.msgBitLength);
+
+  // Would fail further checks, but let's make the error message clear
+  assert(!msg.isNeg(), 'Can not sign a negative message');
+
+  // Zero-extend key to provide enough entropy
+  var bytes = this.n.byteLength();
+  var bkey = key.getPrivate().toArray('be', bytes);
+
+  // Zero-extend nonce to have the same byte size as N
+  var nonce = msg.toArray('be', bytes);
+
+  // Recheck nonce to be bijective to msg
+  assert((new BN(nonce)).eq(msg), 'Can not sign message');
+
+  // Instantiate Hmac_DRBG
+  var drbg = new HmacDRBG({
+    hash: this.hash,
+    entropy: bkey,
+    nonce: nonce,
+    pers: options.pers,
+    persEnc: options.persEnc || 'utf8',
+  });
+
+  // Number of bytes to generate
+  var ns1 = this.n.sub(new BN(1));
+
+  for (var iter = 0; ; iter++) {
+    var k = options.k ?
+      options.k(iter) :
+      new BN(drbg.generate(this.n.byteLength()));
+    k = this._truncateToN(k, true);
+    if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
+      continue;
+
+    var kp = this.g.mul(k);
+    if (kp.isInfinity())
+      continue;
+
+    var kpX = kp.getX();
+    var r = kpX.umod(this.n);
+    if (r.cmpn(0) === 0)
+      continue;
+
+    var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
+    s = s.umod(this.n);
+    if (s.cmpn(0) === 0)
+      continue;
+
+    var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
+                        (kpX.cmp(r) !== 0 ? 2 : 0);
+
+    // Use complement of `s`, if it is > `n / 2`
+    if (options.canonical && s.cmp(this.nh) > 0) {
+      s = this.n.sub(s);
+      recoveryParam ^= 1;
+    }
+
+    return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
+  }
+};
+
+EC.prototype.verify = function verify(msg, signature, key, enc, options) {
+  if (!options)
+    options = {};
+
+  msg = this._truncateToN(msg, false, options.msgBitLength);
+  key = this.keyFromPublic(key, enc);
+  signature = new Signature(signature, 'hex');
+
+  // Perform primitive values validation
+  var r = signature.r;
+  var s = signature.s;
+  if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
+    return false;
+  if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
+    return false;
+
+  // Validate signature
+  var sinv = s.invm(this.n);
+  var u1 = sinv.mul(msg).umod(this.n);
+  var u2 = sinv.mul(r).umod(this.n);
+  var p;
+
+  if (!this.curve._maxwellTrick) {
+    p = this.g.mulAdd(u1, key.getPublic(), u2);
+    if (p.isInfinity())
+      return false;
+
+    return p.getX().umod(this.n).cmp(r) === 0;
+  }
+
+  // NOTE: Greg Maxwell's trick, inspired by:
+  // https://git.io/vad3K
+
+  p = this.g.jmulAdd(u1, key.getPublic(), u2);
+  if (p.isInfinity())
+    return false;
+
+  // Compare `p.x` of Jacobian point with `r`,
+  // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
+  // inverse of `p.z^2`
+  return p.eqXToP(r);
+};
+
+EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
+  assert((3 & j) === j, 'The recovery param is more than two bits');
+  signature = new Signature(signature, enc);
+
+  var n = this.n;
+  var e = new BN(msg);
+  var r = signature.r;
+  var s = signature.s;
+
+  // A set LSB signifies that the y-coordinate is odd
+  var isYOdd = j & 1;
+  var isSecondKey = j >> 1;
+  if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
+    throw new Error('Unable to find sencond key candinate');
+
+  // 1.1. Let x = r + jn.
+  if (isSecondKey)
+    r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
+  else
+    r = this.curve.pointFromX(r, isYOdd);
+
+  var rInv = signature.r.invm(n);
+  var s1 = n.sub(e).mul(rInv).umod(n);
+  var s2 = s.mul(rInv).umod(n);
+
+  // 1.6.1 Compute Q = r^-1 (sR -  eG)
+  //               Q = r^-1 (sR + -eG)
+  return this.g.mulAdd(s1, r, s2);
+};
+
+EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
+  signature = new Signature(signature, enc);
+  if (signature.recoveryParam !== null)
+    return signature.recoveryParam;
+
+  for (var i = 0; i < 4; i++) {
+    var Qprime;
+    try {
+      Qprime = this.recoverPubKey(e, signature, i);
+    } catch (e) {
+      continue;
+    }
+
+    if (Qprime.eq(Q))
+      return i;
+  }
+  throw new Error('Unable to find valid recovery factor');
+};
diff --git a/node_modules/elliptic/lib/elliptic/ec/key.js b/node_modules/elliptic/lib/elliptic/ec/key.js
new file mode 100644
index 00000000..595cfb2f
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/ec/key.js
@@ -0,0 +1,121 @@
+'use strict';
+
+var BN = require('bn.js');
+var utils = require('../utils');
+var assert = utils.assert;
+
+function KeyPair(ec, options) {
+  this.ec = ec;
+  this.priv = null;
+  this.pub = null;
+
+  // KeyPair(ec, { priv: ..., pub: ... })
+  if (options.priv)
+    this._importPrivate(options.priv, options.privEnc);
+  if (options.pub)
+    this._importPublic(options.pub, options.pubEnc);
+}
+module.exports = KeyPair;
+
+KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
+  if (pub instanceof KeyPair)
+    return pub;
+
+  return new KeyPair(ec, {
+    pub: pub,
+    pubEnc: enc,
+  });
+};
+
+KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
+  if (priv instanceof KeyPair)
+    return priv;
+
+  return new KeyPair(ec, {
+    priv: priv,
+    privEnc: enc,
+  });
+};
+
+KeyPair.prototype.validate = function validate() {
+  var pub = this.getPublic();
+
+  if (pub.isInfinity())
+    return { result: false, reason: 'Invalid public key' };
+  if (!pub.validate())
+    return { result: false, reason: 'Public key is not a point' };
+  if (!pub.mul(this.ec.curve.n).isInfinity())
+    return { result: false, reason: 'Public key * N != O' };
+
+  return { result: true, reason: null };
+};
+
+KeyPair.prototype.getPublic = function getPublic(compact, enc) {
+  // compact is optional argument
+  if (typeof compact === 'string') {
+    enc = compact;
+    compact = null;
+  }
+
+  if (!this.pub)
+    this.pub = this.ec.g.mul(this.priv);
+
+  if (!enc)
+    return this.pub;
+
+  return this.pub.encode(enc, compact);
+};
+
+KeyPair.prototype.getPrivate = function getPrivate(enc) {
+  if (enc === 'hex')
+    return this.priv.toString(16, 2);
+  else
+    return this.priv;
+};
+
+KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
+  this.priv = new BN(key, enc || 16);
+
+  // Ensure that the priv won't be bigger than n, otherwise we may fail
+  // in fixed multiplication method
+  this.priv = this.priv.umod(this.ec.curve.n);
+};
+
+KeyPair.prototype._importPublic = function _importPublic(key, enc) {
+  if (key.x || key.y) {
+    // Montgomery points only have an `x` coordinate.
+    // Weierstrass/Edwards points on the other hand have both `x` and
+    // `y` coordinates.
+    if (this.ec.curve.type === 'mont') {
+      assert(key.x, 'Need x coordinate');
+    } else if (this.ec.curve.type === 'short' ||
+               this.ec.curve.type === 'edwards') {
+      assert(key.x && key.y, 'Need both x and y coordinate');
+    }
+    this.pub = this.ec.curve.point(key.x, key.y);
+    return;
+  }
+  this.pub = this.ec.curve.decodePoint(key, enc);
+};
+
+// ECDH
+KeyPair.prototype.derive = function derive(pub) {
+  if(!pub.validate()) {
+    assert(pub.validate(), 'public point not validated');
+  }
+  return pub.mul(this.priv).getX();
+};
+
+// ECDSA
+KeyPair.prototype.sign = function sign(msg, enc, options) {
+  return this.ec.sign(msg, this, enc, options);
+};
+
+KeyPair.prototype.verify = function verify(msg, signature, options) {
+  return this.ec.verify(msg, signature, this, undefined, options);
+};
+
+KeyPair.prototype.inspect = function inspect() {
+  return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
+         ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
+};
diff --git a/node_modules/elliptic/lib/elliptic/ec/signature.js b/node_modules/elliptic/lib/elliptic/ec/signature.js
new file mode 100644
index 00000000..48e3a26f
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/ec/signature.js
@@ -0,0 +1,176 @@
+'use strict';
+
+var BN = require('bn.js');
+
+var utils = require('../utils');
+var assert = utils.assert;
+
+function Signature(options, enc) {
+  if (options instanceof Signature)
+    return options;
+
+  if (this._importDER(options, enc))
+    return;
+
+  assert(options.r && options.s, 'Signature without r or s');
+  this.r = new BN(options.r, 16);
+  this.s = new BN(options.s, 16);
+  if (options.recoveryParam === undefined)
+    this.recoveryParam = null;
+  else
+    this.recoveryParam = options.recoveryParam;
+}
+module.exports = Signature;
+
+function Position() {
+  this.place = 0;
+}
+
+function getLength(buf, p) {
+  var initial = buf[p.place++];
+  if (!(initial & 0x80)) {
+    return initial;
+  }
+  var octetLen = initial & 0xf;
+
+  // Indefinite length or overflow
+  if (octetLen === 0 || octetLen > 4) {
+    return false;
+  }
+
+  if(buf[p.place] === 0x00) {
+    return false;
+  }
+
+  var val = 0;
+  for (var i = 0, off = p.place; i < octetLen; i++, off++) {
+    val <<= 8;
+    val |= buf[off];
+    val >>>= 0;
+  }
+
+  // Leading zeroes
+  if (val <= 0x7f) {
+    return false;
+  }
+
+  p.place = off;
+  return val;
+}
+
+function rmPadding(buf) {
+  var i = 0;
+  var len = buf.length - 1;
+  while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
+    i++;
+  }
+  if (i === 0) {
+    return buf;
+  }
+  return buf.slice(i);
+}
+
+Signature.prototype._importDER = function _importDER(data, enc) {
+  data = utils.toArray(data, enc);
+  var p = new Position();
+  if (data[p.place++] !== 0x30) {
+    return false;
+  }
+  var len = getLength(data, p);
+  if (len === false) {
+    return false;
+  }
+  if ((len + p.place) !== data.length) {
+    return false;
+  }
+  if (data[p.place++] !== 0x02) {
+    return false;
+  }
+  var rlen = getLength(data, p);
+  if (rlen === false) {
+    return false;
+  }
+  if ((data[p.place] & 128) !== 0) {
+    return false;
+  }
+  var r = data.slice(p.place, rlen + p.place);
+  p.place += rlen;
+  if (data[p.place++] !== 0x02) {
+    return false;
+  }
+  var slen = getLength(data, p);
+  if (slen === false) {
+    return false;
+  }
+  if (data.length !== slen + p.place) {
+    return false;
+  }
+  if ((data[p.place] & 128) !== 0) {
+    return false;
+  }
+  var s = data.slice(p.place, slen + p.place);
+  if (r[0] === 0) {
+    if (r[1] & 0x80) {
+      r = r.slice(1);
+    } else {
+      // Leading zeroes
+      return false;
+    }
+  }
+  if (s[0] === 0) {
+    if (s[1] & 0x80) {
+      s = s.slice(1);
+    } else {
+      // Leading zeroes
+      return false;
+    }
+  }
+
+  this.r = new BN(r);
+  this.s = new BN(s);
+  this.recoveryParam = null;
+
+  return true;
+};
+
+function constructLength(arr, len) {
+  if (len < 0x80) {
+    arr.push(len);
+    return;
+  }
+  var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
+  arr.push(octets | 0x80);
+  while (--octets) {
+    arr.push((len >>> (octets << 3)) & 0xff);
+  }
+  arr.push(len);
+}
+
+Signature.prototype.toDER = function toDER(enc) {
+  var r = this.r.toArray();
+  var s = this.s.toArray();
+
+  // Pad values
+  if (r[0] & 0x80)
+    r = [ 0 ].concat(r);
+  // Pad values
+  if (s[0] & 0x80)
+    s = [ 0 ].concat(s);
+
+  r = rmPadding(r);
+  s = rmPadding(s);
+
+  while (!s[0] && !(s[1] & 0x80)) {
+    s = s.slice(1);
+  }
+  var arr = [ 0x02 ];
+  constructLength(arr, r.length);
+  arr = arr.concat(r);
+  arr.push(0x02);
+  constructLength(arr, s.length);
+  var backHalf = arr.concat(s);
+  var res = [ 0x30 ];
+  constructLength(res, backHalf.length);
+  res = res.concat(backHalf);
+  return utils.encode(res, enc);
+};
diff --git a/node_modules/elliptic/lib/elliptic/eddsa/index.js b/node_modules/elliptic/lib/elliptic/eddsa/index.js
new file mode 100644
index 00000000..cb703a7c
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/eddsa/index.js
@@ -0,0 +1,121 @@
+'use strict';
+
+var hash = require('hash.js');
+var curves = require('../curves');
+var utils = require('../utils');
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EDDSA(curve) {
+  assert(curve === 'ed25519', 'only tested with ed25519 so far');
+
+  if (!(this instanceof EDDSA))
+    return new EDDSA(curve);
+
+  curve = curves[curve].curve;
+  this.curve = curve;
+  this.g = curve.g;
+  this.g.precompute(curve.n.bitLength() + 1);
+
+  this.pointClass = curve.point().constructor;
+  this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
+  this.hash = hash.sha512;
+}
+
+module.exports = EDDSA;
+
+/**
+* @param {Array|String} message - message bytes
+* @param {Array|String|KeyPair} secret - secret bytes or a keypair
+* @returns {Signature} - signature
+*/
+EDDSA.prototype.sign = function sign(message, secret) {
+  message = parseBytes(message);
+  var key = this.keyFromSecret(secret);
+  var r = this.hashInt(key.messagePrefix(), message);
+  var R = this.g.mul(r);
+  var Rencoded = this.encodePoint(R);
+  var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
+    .mul(key.priv());
+  var S = r.add(s_).umod(this.curve.n);
+  return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
+};
+
+/**
+* @param {Array} message - message bytes
+* @param {Array|String|Signature} sig - sig bytes
+* @param {Array|String|Point|KeyPair} pub - public key
+* @returns {Boolean} - true if public key matches sig of message
+*/
+EDDSA.prototype.verify = function verify(message, sig, pub) {
+  message = parseBytes(message);
+  sig = this.makeSignature(sig);
+  if (sig.S().gte(sig.eddsa.curve.n) || sig.S().isNeg()) {
+    return false;
+  }
+  var key = this.keyFromPublic(pub);
+  var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
+  var SG = this.g.mul(sig.S());
+  var RplusAh = sig.R().add(key.pub().mul(h));
+  return RplusAh.eq(SG);
+};
+
+EDDSA.prototype.hashInt = function hashInt() {
+  var hash = this.hash();
+  for (var i = 0; i < arguments.length; i++)
+    hash.update(arguments[i]);
+  return utils.intFromLE(hash.digest()).umod(this.curve.n);
+};
+
+EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
+  return KeyPair.fromPublic(this, pub);
+};
+
+EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
+  return KeyPair.fromSecret(this, secret);
+};
+
+EDDSA.prototype.makeSignature = function makeSignature(sig) {
+  if (sig instanceof Signature)
+    return sig;
+  return new Signature(this, sig);
+};
+
+/**
+* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
+*
+* EDDSA defines methods for encoding and decoding points and integers. These are
+* helper convenience methods, that pass along to utility functions implied
+* parameters.
+*
+*/
+EDDSA.prototype.encodePoint = function encodePoint(point) {
+  var enc = point.getY().toArray('le', this.encodingLength);
+  enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
+  return enc;
+};
+
+EDDSA.prototype.decodePoint = function decodePoint(bytes) {
+  bytes = utils.parseBytes(bytes);
+
+  var lastIx = bytes.length - 1;
+  var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
+  var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
+
+  var y = utils.intFromLE(normed);
+  return this.curve.pointFromY(y, xIsOdd);
+};
+
+EDDSA.prototype.encodeInt = function encodeInt(num) {
+  return num.toArray('le', this.encodingLength);
+};
+
+EDDSA.prototype.decodeInt = function decodeInt(bytes) {
+  return utils.intFromLE(bytes);
+};
+
+EDDSA.prototype.isPoint = function isPoint(val) {
+  return val instanceof this.pointClass;
+};
diff --git a/node_modules/elliptic/lib/elliptic/eddsa/key.js b/node_modules/elliptic/lib/elliptic/eddsa/key.js
new file mode 100644
index 00000000..a00028f8
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/eddsa/key.js
@@ -0,0 +1,95 @@
+'use strict';
+
+var utils = require('../utils');
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var cachedProperty = utils.cachedProperty;
+
+/**
+* @param {EDDSA} eddsa - instance
+* @param {Object} params - public/private key parameters
+*
+* @param {Array<Byte>} [params.secret] - secret seed bytes
+* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
+* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
+*
+*/
+function KeyPair(eddsa, params) {
+  this.eddsa = eddsa;
+  this._secret = parseBytes(params.secret);
+  if (eddsa.isPoint(params.pub))
+    this._pub = params.pub;
+  else
+    this._pubBytes = parseBytes(params.pub);
+}
+
+KeyPair.fromPublic = function fromPublic(eddsa, pub) {
+  if (pub instanceof KeyPair)
+    return pub;
+  return new KeyPair(eddsa, { pub: pub });
+};
+
+KeyPair.fromSecret = function fromSecret(eddsa, secret) {
+  if (secret instanceof KeyPair)
+    return secret;
+  return new KeyPair(eddsa, { secret: secret });
+};
+
+KeyPair.prototype.secret = function secret() {
+  return this._secret;
+};
+
+cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
+  return this.eddsa.encodePoint(this.pub());
+});
+
+cachedProperty(KeyPair, 'pub', function pub() {
+  if (this._pubBytes)
+    return this.eddsa.decodePoint(this._pubBytes);
+  return this.eddsa.g.mul(this.priv());
+});
+
+cachedProperty(KeyPair, 'privBytes', function privBytes() {
+  var eddsa = this.eddsa;
+  var hash = this.hash();
+  var lastIx = eddsa.encodingLength - 1;
+
+  var a = hash.slice(0, eddsa.encodingLength);
+  a[0] &= 248;
+  a[lastIx] &= 127;
+  a[lastIx] |= 64;
+
+  return a;
+});
+
+cachedProperty(KeyPair, 'priv', function priv() {
+  return this.eddsa.decodeInt(this.privBytes());
+});
+
+cachedProperty(KeyPair, 'hash', function hash() {
+  return this.eddsa.hash().update(this.secret()).digest();
+});
+
+cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
+  return this.hash().slice(this.eddsa.encodingLength);
+});
+
+KeyPair.prototype.sign = function sign(message) {
+  assert(this._secret, 'KeyPair can only verify');
+  return this.eddsa.sign(message, this);
+};
+
+KeyPair.prototype.verify = function verify(message, sig) {
+  return this.eddsa.verify(message, sig, this);
+};
+
+KeyPair.prototype.getSecret = function getSecret(enc) {
+  assert(this._secret, 'KeyPair is public only');
+  return utils.encode(this.secret(), enc);
+};
+
+KeyPair.prototype.getPublic = function getPublic(enc) {
+  return utils.encode(this.pubBytes(), enc);
+};
+
+module.exports = KeyPair;
diff --git a/node_modules/elliptic/lib/elliptic/eddsa/signature.js b/node_modules/elliptic/lib/elliptic/eddsa/signature.js
new file mode 100644
index 00000000..b224ad1c
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/eddsa/signature.js
@@ -0,0 +1,66 @@
+'use strict';
+
+var BN = require('bn.js');
+var utils = require('../utils');
+var assert = utils.assert;
+var cachedProperty = utils.cachedProperty;
+var parseBytes = utils.parseBytes;
+
+/**
+* @param {EDDSA} eddsa - eddsa instance
+* @param {Array<Bytes>|Object} sig -
+* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
+* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
+* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
+* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
+*/
+function Signature(eddsa, sig) {
+  this.eddsa = eddsa;
+
+  if (typeof sig !== 'object')
+    sig = parseBytes(sig);
+
+  if (Array.isArray(sig)) {
+    assert(sig.length === eddsa.encodingLength * 2, 'Signature has invalid size');
+    sig = {
+      R: sig.slice(0, eddsa.encodingLength),
+      S: sig.slice(eddsa.encodingLength),
+    };
+  }
+
+  assert(sig.R && sig.S, 'Signature without R or S');
+
+  if (eddsa.isPoint(sig.R))
+    this._R = sig.R;
+  if (sig.S instanceof BN)
+    this._S = sig.S;
+
+  this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
+  this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
+}
+
+cachedProperty(Signature, 'S', function S() {
+  return this.eddsa.decodeInt(this.Sencoded());
+});
+
+cachedProperty(Signature, 'R', function R() {
+  return this.eddsa.decodePoint(this.Rencoded());
+});
+
+cachedProperty(Signature, 'Rencoded', function Rencoded() {
+  return this.eddsa.encodePoint(this.R());
+});
+
+cachedProperty(Signature, 'Sencoded', function Sencoded() {
+  return this.eddsa.encodeInt(this.S());
+});
+
+Signature.prototype.toBytes = function toBytes() {
+  return this.Rencoded().concat(this.Sencoded());
+};
+
+Signature.prototype.toHex = function toHex() {
+  return utils.encode(this.toBytes(), 'hex').toUpperCase();
+};
+
+module.exports = Signature;
diff --git a/node_modules/elliptic/lib/elliptic/precomputed/secp256k1.js b/node_modules/elliptic/lib/elliptic/precomputed/secp256k1.js
new file mode 100644
index 00000000..01a7c4d2
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/precomputed/secp256k1.js
@@ -0,0 +1,780 @@
+module.exports = {
+  doubles: {
+    step: 4,
+    points: [
+      [
+        'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
+        'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821',
+      ],
+      [
+        '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
+        '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf',
+      ],
+      [
+        '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
+        'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695',
+      ],
+      [
+        '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
+        '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9',
+      ],
+      [
+        '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
+        '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36',
+      ],
+      [
+        '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
+        '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f',
+      ],
+      [
+        'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
+        '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999',
+      ],
+      [
+        '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
+        'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09',
+      ],
+      [
+        'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
+        '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d',
+      ],
+      [
+        'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
+        'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088',
+      ],
+      [
+        'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
+        '9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d',
+      ],
+      [
+        '53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
+        '5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8',
+      ],
+      [
+        '8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
+        '10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a',
+      ],
+      [
+        '385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
+        '283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453',
+      ],
+      [
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+        'b015f8044f5fcbdcf21ca26d6c34fb8197829205c7b7d2a7cb66418c157b112c',
+        'ab8c1e086d04e813744a655b2df8d5f83b3cdc6faa3088c1d3aea1454e3a1d5f',
+      ],
+      [
+        'd5e9e1da649d97d89e4868117a465a3a4f8a18de57a140d36b3f2af341a21b52',
+        '4cb04437f391ed73111a13cc1d4dd0db1693465c2240480d8955e8592f27447a',
+      ],
+      [
+        'd3ae41047dd7ca065dbf8ed77b992439983005cd72e16d6f996a5316d36966bb',
+        'bd1aeb21ad22ebb22a10f0303417c6d964f8cdd7df0aca614b10dc14d125ac46',
+      ],
+      [
+        '463e2763d885f958fc66cdd22800f0a487197d0a82e377b49f80af87c897b065',
+        'bfefacdb0e5d0fd7df3a311a94de062b26b80c61fbc97508b79992671ef7ca7f',
+      ],
+      [
+        '7985fdfd127c0567c6f53ec1bb63ec3158e597c40bfe747c83cddfc910641917',
+        '603c12daf3d9862ef2b25fe1de289aed24ed291e0ec6708703a5bd567f32ed03',
+      ],
+      [
+        '74a1ad6b5f76e39db2dd249410eac7f99e74c59cb83d2d0ed5ff1543da7703e9',
+        'cc6157ef18c9c63cd6193d83631bbea0093e0968942e8c33d5737fd790e0db08',
+      ],
+      [
+        '30682a50703375f602d416664ba19b7fc9bab42c72747463a71d0896b22f6da3',
+        '553e04f6b018b4fa6c8f39e7f311d3176290d0e0f19ca73f17714d9977a22ff8',
+      ],
+      [
+        '9e2158f0d7c0d5f26c3791efefa79597654e7a2b2464f52b1ee6c1347769ef57',
+        '712fcdd1b9053f09003a3481fa7762e9ffd7c8ef35a38509e2fbf2629008373',
+      ],
+      [
+        '176e26989a43c9cfeba4029c202538c28172e566e3c4fce7322857f3be327d66',
+        'ed8cc9d04b29eb877d270b4878dc43c19aefd31f4eee09ee7b47834c1fa4b1c3',
+      ],
+      [
+        '75d46efea3771e6e68abb89a13ad747ecf1892393dfc4f1b7004788c50374da8',
+        '9852390a99507679fd0b86fd2b39a868d7efc22151346e1a3ca4726586a6bed8',
+      ],
+      [
+        '809a20c67d64900ffb698c4c825f6d5f2310fb0451c869345b7319f645605721',
+        '9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1',
+      ],
+      [
+        '1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
+        '4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9',
+      ],
+    ],
+  },
+};
diff --git a/node_modules/elliptic/lib/elliptic/utils.js b/node_modules/elliptic/lib/elliptic/utils.js
new file mode 100644
index 00000000..b3ef2d2f
--- /dev/null
+++ b/node_modules/elliptic/lib/elliptic/utils.js
@@ -0,0 +1,122 @@
+'use strict';
+
+var utils = exports;
+var BN = require('bn.js');
+var minAssert = require('minimalistic-assert');
+var minUtils = require('minimalistic-crypto-utils');
+
+utils.assert = minAssert;
+utils.toArray = minUtils.toArray;
+utils.zero2 = minUtils.zero2;
+utils.toHex = minUtils.toHex;
+utils.encode = minUtils.encode;
+
+// Represent num in a w-NAF form
+function getNAF(num, w, bits) {
+  var naf = new Array(Math.max(num.bitLength(), bits) + 1);
+  var i;
+  for (i = 0; i < naf.length; i += 1) {
+    naf[i] = 0;
+  }
+
+  var ws = 1 << (w + 1);
+  var k = num.clone();
+
+  for (i = 0; i < naf.length; i++) {
+    var z;
+    var mod = k.andln(ws - 1);
+    if (k.isOdd()) {
+      if (mod > (ws >> 1) - 1)
+        z = (ws >> 1) - mod;
+      else
+        z = mod;
+      k.isubn(z);
+    } else {
+      z = 0;
+    }
+
+    naf[i] = z;
+    k.iushrn(1);
+  }
+
+  return naf;
+}
+utils.getNAF = getNAF;
+
+// Represent k1, k2 in a Joint Sparse Form
+function getJSF(k1, k2) {
+  var jsf = [
+    [],
+    [],
+  ];
+
+  k1 = k1.clone();
+  k2 = k2.clone();
+  var d1 = 0;
+  var d2 = 0;
+  var m8;
+  while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
+    // First phase
+    var m14 = (k1.andln(3) + d1) & 3;
+    var m24 = (k2.andln(3) + d2) & 3;
+    if (m14 === 3)
+      m14 = -1;
+    if (m24 === 3)
+      m24 = -1;
+    var u1;
+    if ((m14 & 1) === 0) {
+      u1 = 0;
+    } else {
+      m8 = (k1.andln(7) + d1) & 7;
+      if ((m8 === 3 || m8 === 5) && m24 === 2)
+        u1 = -m14;
+      else
+        u1 = m14;
+    }
+    jsf[0].push(u1);
+
+    var u2;
+    if ((m24 & 1) === 0) {
+      u2 = 0;
+    } else {
+      m8 = (k2.andln(7) + d2) & 7;
+      if ((m8 === 3 || m8 === 5) && m14 === 2)
+        u2 = -m24;
+      else
+        u2 = m24;
+    }
+    jsf[1].push(u2);
+
+    // Second phase
+    if (2 * d1 === u1 + 1)
+      d1 = 1 - d1;
+    if (2 * d2 === u2 + 1)
+      d2 = 1 - d2;
+    k1.iushrn(1);
+    k2.iushrn(1);
+  }
+
+  return jsf;
+}
+utils.getJSF = getJSF;
+
+function cachedProperty(obj, name, computer) {
+  var key = '_' + name;
+  obj.prototype[name] = function cachedProperty() {
+    return this[key] !== undefined ? this[key] :
+      this[key] = computer.call(this);
+  };
+}
+utils.cachedProperty = cachedProperty;
+
+function parseBytes(bytes) {
+  return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
+    bytes;
+}
+utils.parseBytes = parseBytes;
+
+function intFromLE(bytes) {
+  return new BN(bytes, 'hex', 'le');
+}
+utils.intFromLE = intFromLE;
+
diff --git a/node_modules/elliptic/node_modules/bn.js/LICENSE b/node_modules/elliptic/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/elliptic/node_modules/bn.js/README.md b/node_modules/elliptic/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/elliptic/node_modules/bn.js/lib/bn.js b/node_modules/elliptic/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/elliptic/node_modules/bn.js/package.json b/node_modules/elliptic/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo.js b/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/elliptic/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/elliptic/package.json b/node_modules/elliptic/package.json
new file mode 100644
index 00000000..2fbf525d
--- /dev/null
+++ b/node_modules/elliptic/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "elliptic",
+  "version": "6.6.1",
+  "description": "EC cryptography",
+  "main": "lib/elliptic.js",
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "lint": "eslint lib test",
+    "lint:fix": "npm run lint -- --fix",
+    "unit": "istanbul test _mocha --reporter=spec test/index.js",
+    "test": "npm run lint && npm run unit",
+    "version": "grunt dist && git add dist/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/elliptic"
+  },
+  "keywords": [
+    "EC",
+    "Elliptic",
+    "curve",
+    "Cryptography"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/elliptic/issues"
+  },
+  "homepage": "https://github.com/indutny/elliptic",
+  "devDependencies": {
+    "brfs": "^2.0.2",
+    "coveralls": "^3.1.0",
+    "eslint": "^7.6.0",
+    "grunt": "^1.2.1",
+    "grunt-browserify": "^5.3.0",
+    "grunt-cli": "^1.3.2",
+    "grunt-contrib-connect": "^3.0.0",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-uglify": "^5.0.0",
+    "grunt-mocha-istanbul": "^5.0.2",
+    "grunt-saucelabs": "^9.0.1",
+    "istanbul": "^0.4.5",
+    "mocha": "^8.0.1"
+  },
+  "dependencies": {
+    "bn.js": "^4.11.9",
+    "brorand": "^1.1.0",
+    "hash.js": "^1.0.0",
+    "hmac-drbg": "^1.0.1",
+    "inherits": "^2.0.4",
+    "minimalistic-assert": "^1.0.1",
+    "minimalistic-crypto-utils": "^1.0.1"
+  }
+}
diff --git a/node_modules/emojis-list/CHANGELOG.md b/node_modules/emojis-list/CHANGELOG.md
new file mode 100644
index 00000000..acaede6d
--- /dev/null
+++ b/node_modules/emojis-list/CHANGELOG.md
@@ -0,0 +1,85 @@
+<a name="3.0.0"></a>
+# 3.0.0 (2019-05-12)
+
+* build: bye bower ([4acc7c0](https://github.com/kikobeats/emojis-list/commit/4acc7c0))
+* build: remove gulp and bower ([12c83f3](https://github.com/kikobeats/emojis-list/commit/12c83f3))
+* build: update meta ([de14b12](https://github.com/kikobeats/emojis-list/commit/de14b12))
+* moar emojis ([b4a153f](https://github.com/kikobeats/emojis-list/commit/b4a153f))
+* chore: drop support for Node.js 0.10 ([20ed4f1](https://github.com/kikobeats/emojis-list/commit/20ed4f1))
+
+
+### BREAKING CHANGE
+
+* This module no longer supports Node.js 0.10
+
+
+<a name="2.1.0"></a>
+# 2.1.0 (2016-10-03)
+
+* Fetch new emoji ([7dbe84d](https://github.com/kikobeats/emojis-list/commit/7dbe84d))
+
+
+
+<a name="2.0.1"></a>
+## 2.0.1 (2016-05-12)
+
+* Fix typo ([3808909](https://github.com/kikobeats/emojis-list/commit/3808909))
+
+
+
+<a name="2.0.0"></a>
+# 2.0.0 (2016-05-12)
+
+* Add update script ([f846dd6](https://github.com/kikobeats/emojis-list/commit/f846dd6))
+* Block dependencies in last version ([1d9e0a5](https://github.com/kikobeats/emojis-list/commit/1d9e0a5))
+* Extract main file name ([9ffe7bb](https://github.com/kikobeats/emojis-list/commit/9ffe7bb))
+* Remove unnecessary files ([4c34729](https://github.com/kikobeats/emojis-list/commit/4c34729))
+* Update docs, special webpack setup is not necessary ([c4aefe9](https://github.com/kikobeats/emojis-list/commit/c4aefe9))
+* Update example ([1e2ae03](https://github.com/kikobeats/emojis-list/commit/1e2ae03))
+* Update how to generate emojis array ([b56bad9](https://github.com/kikobeats/emojis-list/commit/b56bad9))
+* Update main file based in the new interface ([996fccb](https://github.com/kikobeats/emojis-list/commit/996fccb))
+
+
+
+<a name="1.0.3"></a>
+## 1.0.3 (2016-05-12)
+
+* Add standard as linter ([5e939d6](https://github.com/kikobeats/emojis-list/commit/5e939d6))
+* Change interface ([16bc0c0](https://github.com/kikobeats/emojis-list/commit/16bc0c0))
+* Generate emoji file ([fbcf8e9](https://github.com/kikobeats/emojis-list/commit/fbcf8e9))
+* Remove unnecessary special doc ([2b12bec](https://github.com/kikobeats/emojis-list/commit/2b12bec))
+* chore(package): update browserify to version 13.0.1 ([e2c98bf](https://github.com/kikobeats/emojis-list/commit/e2c98bf))
+* chore(package): update gulp-header to version 1.8.1 ([28de793](https://github.com/kikobeats/emojis-list/commit/28de793))
+
+
+
+<a name="1.0.2"></a>
+## 1.0.2 (2016-05-05)
+
+* fixed #2 ([9a6abe7](https://github.com/kikobeats/emojis-list/commit/9a6abe7)), closes [#2](https://github.com/kikobeats/emojis-list/issues/2)
+* Fomar using standard ([5202f9f](https://github.com/kikobeats/emojis-list/commit/5202f9f))
+* Update badge ([53fad9b](https://github.com/kikobeats/emojis-list/commit/53fad9b))
+
+
+
+<a name="1.0.1"></a>
+## 1.0.1 (2016-04-13)
+
+* lock versions ([4a5d82e](https://github.com/kikobeats/emojis-list/commit/4a5d82e))
+* setup devDependencies ([d1de0fc](https://github.com/kikobeats/emojis-list/commit/d1de0fc))
+* update bumped ([9941038](https://github.com/kikobeats/emojis-list/commit/9941038))
+* Update package.json ([6c14b74](https://github.com/kikobeats/emojis-list/commit/6c14b74))
+* Update README.md ([1d9beeb](https://github.com/kikobeats/emojis-list/commit/1d9beeb))
+* Update README.md ([73f215e](https://github.com/kikobeats/emojis-list/commit/73f215e))
+* Update tests ([a94f7dc](https://github.com/kikobeats/emojis-list/commit/a94f7dc))
+
+
+
+<a name="1.0.0"></a>
+# 1.0.0 (2015-05-12)
+
+* first commit ([a65b79d](https://github.com/kikobeats/emojis-list/commit/a65b79d))
+* updated ([9f0564c](https://github.com/kikobeats/emojis-list/commit/9f0564c))
+
+
+
diff --git a/node_modules/emojis-list/LICENSE.md b/node_modules/emojis-list/LICENSE.md
new file mode 100644
index 00000000..c0928aeb
--- /dev/null
+++ b/node_modules/emojis-list/LICENSE.md
@@ -0,0 +1,9 @@
+The MIT License (MIT)
+
+Copyright © 2015 Kiko Beats
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/emojis-list/README.md b/node_modules/emojis-list/README.md
new file mode 100644
index 00000000..a103fbbe
--- /dev/null
+++ b/node_modules/emojis-list/README.md
@@ -0,0 +1,36 @@
+# emojis-list
+
+[![Dependency status](http://img.shields.io/david/Kikobeats/emojis-list.svg?style=flat-square)](https://david-dm.org/Kikobeats/emojis-list)
+[![Dev Dependencies Status](http://img.shields.io/david/dev/Kikobeats/emojis-list.svg?style=flat-square)](https://david-dm.org/Kikobeats/emojis-list#info=devDependencies)
+[![NPM Status](http://img.shields.io/npm/dm/emojis-list.svg?style=flat-square)](https://www.npmjs.org/package/emojis-list)
+[![Donate](https://img.shields.io/badge/donate-paypal-blue.svg?style=flat-square)](https://paypal.me/kikobeats)
+
+> Complete list of standard Unicode Hex Character Code that represent emojis.
+
+**NOTE**: The lists is related with the Unicode Hex Character Code. The representation of the emoji depend of the system. Will be possible that the system don't have all the representations.
+
+## Install
+
+```bash
+npm install emojis-list --save
+```
+
+## Usage
+
+```js
+const emojis = require('emojis-list')
+console.log(emojis[0])
+// => 🀄
+```
+
+## Related
+
+* [emojis-unicode](https://github.com/Kikobeats/emojis-unicode) – Complete list of standard Unicode codes that represent emojis.
+* [emojis-keywords](https://github.com/Kikobeats/emojis-keywords) – Complete list of am emoji shortcuts.
+* [is-emoji-keyword](https://github.com/Kikobeats/is-emoji-keyword) – Check if a word is a emoji shortcut.
+* [is-standard-emoji](https://github.com/kikobeats/is-standard-emoji) – Simply way to check if a emoji is a standard emoji.
+* [trim-emoji](https://github.com/Kikobeats/trim-emoji) – Deletes ':' from the begin and the end of an emoji shortcut.
+
+## License
+
+MIT © [Kiko Beats](http://www.kikobeats.com)
diff --git a/node_modules/emojis-list/index.js b/node_modules/emojis-list/index.js
new file mode 100644
index 00000000..2c2f75ae
--- /dev/null
+++ b/node_modules/emojis-list/index.js
@@ -0,0 +1,3077 @@
+module.exports = [
+  "🀄️",
+  "🃏",
+  "🅰️",
+  "🅱️",
+  "🅾️",
+  "🅿️",
+  "🆎",
+  "🆑",
+  "🆒",
+  "🆓",
+  "🆔",
+  "🆕",
+  "🆖",
+  "🆗",
+  "🆘",
+  "🆙",
+  "🆚",
+  "🇦🇨",
+  "🇦🇩",
+  "🇦🇪",
+  "🇦🇫",
+  "🇦🇬",
+  "🇦🇮",
+  "🇦🇱",
+  "🇦🇲",
+  "🇦🇴",
+  "🇦🇶",
+  "🇦🇷",
+  "🇦🇸",
+  "🇦🇹",
+  "🇦🇺",
+  "🇦🇼",
+  "🇦🇽",
+  "🇦🇿",
+  "🇦",
+  "🇧🇦",
+  "🇧🇧",
+  "🇧🇩",
+  "🇧🇪",
+  "🇧🇫",
+  "🇧🇬",
+  "🇧🇭",
+  "🇧🇮",
+  "🇧🇯",
+  "🇧🇱",
+  "🇧🇲",
+  "🇧🇳",
+  "🇧🇴",
+  "🇧🇶",
+  "🇧🇷",
+  "🇧🇸",
+  "🇧🇹",
+  "🇧🇻",
+  "🇧🇼",
+  "🇧🇾",
+  "🇧🇿",
+  "🇧",
+  "🇨🇦",
+  "🇨🇨",
+  "🇨🇩",
+  "🇨🇫",
+  "🇨🇬",
+  "🇨🇭",
+  "🇨🇮",
+  "🇨🇰",
+  "🇨🇱",
+  "🇨🇲",
+  "🇨🇳",
+  "🇨🇴",
+  "🇨🇵",
+  "🇨🇷",
+  "🇨🇺",
+  "🇨🇻",
+  "🇨🇼",
+  "🇨🇽",
+  "🇨🇾",
+  "🇨🇿",
+  "🇨",
+  "🇩🇪",
+  "🇩🇬",
+  "🇩🇯",
+  "🇩🇰",
+  "🇩🇲",
+  "🇩🇴",
+  "🇩🇿",
+  "🇩",
+  "🇪🇦",
+  "🇪🇨",
+  "🇪🇪",
+  "🇪🇬",
+  "🇪🇭",
+  "🇪🇷",
+  "🇪🇸",
+  "🇪🇹",
+  "🇪🇺",
+  "🇪",
+  "🇫🇮",
+  "🇫🇯",
+  "🇫🇰",
+  "🇫🇲",
+  "🇫🇴",
+  "🇫🇷",
+  "🇫",
+  "🇬🇦",
+  "🇬🇧",
+  "🇬🇩",
+  "🇬🇪",
+  "🇬🇫",
+  "🇬🇬",
+  "🇬🇭",
+  "🇬🇮",
+  "🇬🇱",
+  "🇬🇲",
+  "🇬🇳",
+  "🇬🇵",
+  "🇬🇶",
+  "🇬🇷",
+  "🇬🇸",
+  "🇬🇹",
+  "🇬🇺",
+  "🇬🇼",
+  "🇬🇾",
+  "🇬",
+  "🇭🇰",
+  "🇭🇲",
+  "🇭🇳",
+  "🇭🇷",
+  "🇭🇹",
+  "🇭🇺",
+  "🇭",
+  "🇮🇨",
+  "🇮🇩",
+  "🇮🇪",
+  "🇮🇱",
+  "🇮🇲",
+  "🇮🇳",
+  "🇮🇴",
+  "🇮🇶",
+  "🇮🇷",
+  "🇮🇸",
+  "🇮🇹",
+  "🇮",
+  "🇯🇪",
+  "🇯🇲",
+  "🇯🇴",
+  "🇯🇵",
+  "🇯",
+  "🇰🇪",
+  "🇰🇬",
+  "🇰🇭",
+  "🇰🇮",
+  "🇰🇲",
+  "🇰🇳",
+  "🇰🇵",
+  "🇰🇷",
+  "🇰🇼",
+  "🇰🇾",
+  "🇰🇿",
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+  "🇱🇸",
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+  "🇲🇾",
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+  "🇳🇦",
+  "🇳🇨",
+  "🇳🇪",
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+  "🇳🇮",
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+  "🇳🇷",
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+  "🇳🇿",
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+  "🇵🇹",
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+  "🇷🇴",
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+  "🇸🇧",
+  "🇸🇨",
+  "🇸🇩",
+  "🇸🇪",
+  "🇸🇬",
+  "🇸🇭",
+  "🇸🇮",
+  "🇸🇯",
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+  "🇹🇨",
+  "🇹🇩",
+  "🇹🇫",
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+  "🇹🇴",
+  "🇹🇷",
+  "🇹🇹",
+  "🇹🇻",
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+  "🇺🇦",
+  "🇺🇬",
+  "🇺🇲",
+  "🇺🇳",
+  "🇺🇸",
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+  "🇺🇿",
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+  "🇻🇨",
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+  "🇼🇸",
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+  "🇽",
+  "🇾🇪",
+  "🇾🇹",
+  "🇾",
+  "🇿🇦",
+  "🇿🇲",
+  "🇿🇼",
+  "🇿",
+  "🈁",
+  "🈂️",
+  "🈚️",
+  "🈯️",
+  "🈲",
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+  "🌦️",
+  "🌧️",
+  "🌨️",
+  "🌩️",
+  "🌪️",
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+  "🎅🏾",
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+  "🎚️",
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+  "🎞️",
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+  "🎠",
+  "🎡",
+  "🎢",
+  "🎣",
+  "🎤",
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+  "🎦",
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+  "🎹",
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+  "🎿",
+  "🏀",
+  "🏁",
+  "🏂🏻",
+  "🏂🏼",
+  "🏂🏽",
+  "🏂🏾",
+  "🏂🏿",
+  "🏂",
+  "🏃🏻‍♀️",
+  "🏃🏻‍♂️",
+  "🏃🏻",
+  "🏃🏼‍♀️",
+  "🏃🏼‍♂️",
+  "🏃🏼",
+  "🏃🏽‍♀️",
+  "🏃🏽‍♂️",
+  "🏃🏽",
+  "🏃🏾‍♀️",
+  "🏃🏾‍♂️",
+  "🏃🏾",
+  "🏃🏿‍♀️",
+  "🏃🏿‍♂️",
+  "🏃🏿",
+  "🏃‍♀️",
+  "🏃‍♂️",
+  "🏃",
+  "🏄🏻‍♀️",
+  "🏄🏻‍♂️",
+  "🏄🏻",
+  "🏄🏼‍♀️",
+  "🏄🏼‍♂️",
+  "🏄🏼",
+  "🏄🏽‍♀️",
+  "🏄🏽‍♂️",
+  "🏄🏽",
+  "🏄🏾‍♀️",
+  "🏄🏾‍♂️",
+  "🏄🏾",
+  "🏄🏿‍♀️",
+  "🏄🏿‍♂️",
+  "🏄🏿",
+  "🏄‍♀️",
+  "🏄‍♂️",
+  "🏄",
+  "🏅",
+  "🏆",
+  "🏇🏻",
+  "🏇🏼",
+  "🏇🏽",
+  "🏇🏾",
+  "🏇🏿",
+  "🏇",
+  "🏈",
+  "🏉",
+  "🏊🏻‍♀️",
+  "🏊🏻‍♂️",
+  "🏊🏻",
+  "🏊🏼‍♀️",
+  "🏊🏼‍♂️",
+  "🏊🏼",
+  "🏊🏽‍♀️",
+  "🏊🏽‍♂️",
+  "🏊🏽",
+  "🏊🏾‍♀️",
+  "🏊🏾‍♂️",
+  "🏊🏾",
+  "🏊🏿‍♀️",
+  "🏊🏿‍♂️",
+  "🏊🏿",
+  "🏊‍♀️",
+  "🏊‍♂️",
+  "🏊",
+  "🏋🏻‍♀️",
+  "🏋🏻‍♂️",
+  "🏋🏻",
+  "🏋🏼‍♀️",
+  "🏋🏼‍♂️",
+  "🏋🏼",
+  "🏋🏽‍♀️",
+  "🏋🏽‍♂️",
+  "🏋🏽",
+  "🏋🏾‍♀️",
+  "🏋🏾‍♂️",
+  "🏋🏾",
+  "🏋🏿‍♀️",
+  "🏋🏿‍♂️",
+  "🏋🏿",
+  "🏋️‍♀️",
+  "🏋️‍♂️",
+  "🏋️",
+  "🏌🏻‍♀️",
+  "🏌🏻‍♂️",
+  "🏌🏻",
+  "🏌🏼‍♀️",
+  "🏌🏼‍♂️",
+  "🏌🏼",
+  "🏌🏽‍♀️",
+  "🏌🏽‍♂️",
+  "🏌🏽",
+  "🏌🏾‍♀️",
+  "🏌🏾‍♂️",
+  "🏌🏾",
+  "🏌🏿‍♀️",
+  "🏌🏿‍♂️",
+  "🏌🏿",
+  "🏌️‍♀️",
+  "🏌️‍♂️",
+  "🏌️",
+  "🏍️",
+  "🏎️",
+  "🏏",
+  "🏐",
+  "🏑",
+  "🏒",
+  "🏓",
+  "🏔️",
+  "🏕️",
+  "🏖️",
+  "🏗️",
+  "🏘️",
+  "🏙️",
+  "🏚️",
+  "🏛️",
+  "🏜️",
+  "🏝️",
+  "🏞️",
+  "🏟️",
+  "🏠",
+  "🏡",
+  "🏢",
+  "🏣",
+  "🏤",
+  "🏥",
+  "🏦",
+  "🏧",
+  "🏨",
+  "🏩",
+  "🏪",
+  "🏫",
+  "🏬",
+  "🏭",
+  "🏮",
+  "🏯",
+  "🏰",
+  "🏳️‍🌈",
+  "🏳️",
+  "🏴‍☠️",
+  "🏴󠁧󠁢󠁥󠁮󠁧󠁿",
+  "🏴󠁧󠁢󠁳󠁣󠁴󠁿",
+  "🏴󠁧󠁢󠁷󠁬󠁳󠁿",
+  "🏴",
+  "🏵️",
+  "🏷️",
+  "🏸",
+  "🏹",
+  "🏺",
+  "🏻",
+  "🏼",
+  "🏽",
+  "🏾",
+  "🏿",
+  "🐀",
+  "🐁",
+  "🐂",
+  "🐃",
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+  "🐆",
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+  "🐉",
+  "🐊",
+  "🐋",
+  "🐌",
+  "🐍",
+  "🐎",
+  "🐏",
+  "🐐",
+  "🐑",
+  "🐒",
+  "🐓",
+  "🐔",
+  "🐕‍🦺",
+  "🐕",
+  "🐖",
+  "🐗",
+  "🐘",
+  "🐙",
+  "🐚",
+  "🐛",
+  "🐜",
+  "🐝",
+  "🐞",
+  "🐟",
+  "🐠",
+  "🐡",
+  "🐢",
+  "🐣",
+  "🐤",
+  "🐥",
+  "🐦",
+  "🐧",
+  "🐨",
+  "🐩",
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+  "🐬",
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+  "🐿️",
+  "👀",
+  "👁‍🗨",
+  "👁️",
+  "👂🏻",
+  "👂🏼",
+  "👂🏽",
+  "👂🏾",
+  "👂🏿",
+  "👂",
+  "👃🏻",
+  "👃🏼",
+  "👃🏽",
+  "👃🏾",
+  "👃🏿",
+  "👃",
+  "👄",
+  "👅",
+  "👆🏻",
+  "👆🏼",
+  "👆🏽",
+  "👆🏾",
+  "👆🏿",
+  "👆",
+  "👇🏻",
+  "👇🏼",
+  "👇🏽",
+  "👇🏾",
+  "👇🏿",
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+  "👈🏼",
+  "👈🏽",
+  "👈🏾",
+  "👈🏿",
+  "👈",
+  "👉🏻",
+  "👉🏼",
+  "👉🏽",
+  "👉🏾",
+  "👉🏿",
+  "👉",
+  "👊🏻",
+  "👊🏼",
+  "👊🏽",
+  "👊🏾",
+  "👊🏿",
+  "👊",
+  "👋🏻",
+  "👋🏼",
+  "👋🏽",
+  "👋🏾",
+  "👋🏿",
+  "👋",
+  "👌🏻",
+  "👌🏼",
+  "👌🏽",
+  "👌🏾",
+  "👌🏿",
+  "👌",
+  "👍🏻",
+  "👍🏼",
+  "👍🏽",
+  "👍🏾",
+  "👍🏿",
+  "👍",
+  "👎🏻",
+  "👎🏼",
+  "👎🏽",
+  "👎🏾",
+  "👎🏿",
+  "👎",
+  "👏🏻",
+  "👏🏼",
+  "👏🏽",
+  "👏🏾",
+  "👏🏿",
+  "👏",
+  "👐🏻",
+  "👐🏼",
+  "👐🏽",
+  "👐🏾",
+  "👐🏿",
+  "👐",
+  "👑",
+  "👒",
+  "👓",
+  "👔",
+  "👕",
+  "👖",
+  "👗",
+  "👘",
+  "👙",
+  "👚",
+  "👛",
+  "👜",
+  "👝",
+  "👞",
+  "👟",
+  "👠",
+  "👡",
+  "👢",
+  "👣",
+  "👤",
+  "👥",
+  "👦🏻",
+  "👦🏼",
+  "👦🏽",
+  "👦🏾",
+  "👦🏿",
+  "👦",
+  "👧🏻",
+  "👧🏼",
+  "👧🏽",
+  "👧🏾",
+  "👧🏿",
+  "👧",
+  "👨🏻‍🌾",
+  "👨🏻‍🍳",
+  "👨🏻‍🎓",
+  "👨🏻‍🎤",
+  "👨🏻‍🎨",
+  "👨🏻‍🏫",
+  "👨🏻‍🏭",
+  "👨🏻‍💻",
+  "👨🏻‍💼",
+  "👨🏻‍🔧",
+  "👨🏻‍🔬",
+  "👨🏻‍🚀",
+  "👨🏻‍🚒",
+  "👨🏻‍🦯",
+  "👨🏻‍🦰",
+  "👨🏻‍🦱",
+  "👨🏻‍🦲",
+  "👨🏻‍🦳",
+  "👨🏻‍🦼",
+  "👨🏻‍🦽",
+  "👨🏻‍⚕️",
+  "👨🏻‍⚖️",
+  "👨🏻‍✈️",
+  "👨🏻",
+  "👨🏼‍🌾",
+  "👨🏼‍🍳",
+  "👨🏼‍🎓",
+  "👨🏼‍🎤",
+  "👨🏼‍🎨",
+  "👨🏼‍🏫",
+  "👨🏼‍🏭",
+  "👨🏼‍💻",
+  "👨🏼‍💼",
+  "👨🏼‍🔧",
+  "👨🏼‍🔬",
+  "👨🏼‍🚀",
+  "👨🏼‍🚒",
+  "👨🏼‍🤝‍👨🏻",
+  "👨🏼‍🦯",
+  "👨🏼‍🦰",
+  "👨🏼‍🦱",
+  "👨🏼‍🦲",
+  "👨🏼‍🦳",
+  "👨🏼‍🦼",
+  "👨🏼‍🦽",
+  "👨🏼‍⚕️",
+  "👨🏼‍⚖️",
+  "👨🏼‍✈️",
+  "👨🏼",
+  "👨🏽‍🌾",
+  "👨🏽‍🍳",
+  "👨🏽‍🎓",
+  "👨🏽‍🎤",
+  "👨🏽‍🎨",
+  "👨🏽‍🏫",
+  "👨🏽‍🏭",
+  "👨🏽‍💻",
+  "👨🏽‍💼",
+  "👨🏽‍🔧",
+  "👨🏽‍🔬",
+  "👨🏽‍🚀",
+  "👨🏽‍🚒",
+  "👨🏽‍🤝‍👨🏻",
+  "👨🏽‍🤝‍👨🏼",
+  "👨🏽‍🦯",
+  "👨🏽‍🦰",
+  "👨🏽‍🦱",
+  "👨🏽‍🦲",
+  "👨🏽‍🦳",
+  "👨🏽‍🦼",
+  "👨🏽‍🦽",
+  "👨🏽‍⚕️",
+  "👨🏽‍⚖️",
+  "👨🏽‍✈️",
+  "👨🏽",
+  "👨🏾‍🌾",
+  "👨🏾‍🍳",
+  "👨🏾‍🎓",
+  "👨🏾‍🎤",
+  "👨🏾‍🎨",
+  "👨🏾‍🏫",
+  "👨🏾‍🏭",
+  "👨🏾‍💻",
+  "👨🏾‍💼",
+  "👨🏾‍🔧",
+  "👨🏾‍🔬",
+  "👨🏾‍🚀",
+  "👨🏾‍🚒",
+  "👨🏾‍🤝‍👨🏻",
+  "👨🏾‍🤝‍👨🏼",
+  "👨🏾‍🤝‍👨🏽",
+  "👨🏾‍🦯",
+  "👨🏾‍🦰",
+  "👨🏾‍🦱",
+  "👨🏾‍🦲",
+  "👨🏾‍🦳",
+  "👨🏾‍🦼",
+  "👨🏾‍🦽",
+  "👨🏾‍⚕️",
+  "👨🏾‍⚖️",
+  "👨🏾‍✈️",
+  "👨🏾",
+  "👨🏿‍🌾",
+  "👨🏿‍🍳",
+  "👨🏿‍🎓",
+  "👨🏿‍🎤",
+  "👨🏿‍🎨",
+  "👨🏿‍🏫",
+  "👨🏿‍🏭",
+  "👨🏿‍💻",
+  "👨🏿‍💼",
+  "👨🏿‍🔧",
+  "👨🏿‍🔬",
+  "👨🏿‍🚀",
+  "👨🏿‍🚒",
+  "👨🏿‍🤝‍👨🏻",
+  "👨🏿‍🤝‍👨🏼",
+  "👨🏿‍🤝‍👨🏽",
+  "👨🏿‍🤝‍👨🏾",
+  "👨🏿‍🦯",
+  "👨🏿‍🦰",
+  "👨🏿‍🦱",
+  "👨🏿‍🦲",
+  "👨🏿‍🦳",
+  "👨🏿‍🦼",
+  "👨🏿‍🦽",
+  "👨🏿‍⚕️",
+  "👨🏿‍⚖️",
+  "👨🏿‍✈️",
+  "👨🏿",
+  "👨‍🌾",
+  "👨‍🍳",
+  "👨‍🎓",
+  "👨‍🎤",
+  "👨‍🎨",
+  "👨‍🏫",
+  "👨‍🏭",
+  "👨‍👦‍👦",
+  "👨‍👦",
+  "👨‍👧‍👦",
+  "👨‍👧‍👧",
+  "👨‍👧",
+  "👨‍👨‍👦‍👦",
+  "👨‍👨‍👦",
+  "👨‍👨‍👧‍👦",
+  "👨‍👨‍👧‍👧",
+  "👨‍👨‍👧",
+  "👨‍👩‍👦‍👦",
+  "👨‍👩‍👦",
+  "👨‍👩‍👧‍👦",
+  "👨‍👩‍👧‍👧",
+  "👨‍👩‍👧",
+  "👨‍💻",
+  "👨‍💼",
+  "👨‍🔧",
+  "👨‍🔬",
+  "👨‍🚀",
+  "👨‍🚒",
+  "👨‍🦯",
+  "👨‍🦰",
+  "👨‍🦱",
+  "👨‍🦲",
+  "👨‍🦳",
+  "👨‍🦼",
+  "👨‍🦽",
+  "👨‍⚕️",
+  "👨‍⚖️",
+  "👨‍✈️",
+  "👨‍❤️‍👨",
+  "👨‍❤️‍💋‍👨",
+  "👨",
+  "👩🏻‍🌾",
+  "👩🏻‍🍳",
+  "👩🏻‍🎓",
+  "👩🏻‍🎤",
+  "👩🏻‍🎨",
+  "👩🏻‍🏫",
+  "👩🏻‍🏭",
+  "👩🏻‍💻",
+  "👩🏻‍💼",
+  "👩🏻‍🔧",
+  "👩🏻‍🔬",
+  "👩🏻‍🚀",
+  "👩🏻‍🚒",
+  "👩🏻‍🤝‍👨🏼",
+  "👩🏻‍🤝‍👨🏽",
+  "👩🏻‍🤝‍👨🏾",
+  "👩🏻‍🤝‍👨🏿",
+  "👩🏻‍🦯",
+  "👩🏻‍🦰",
+  "👩🏻‍🦱",
+  "👩🏻‍🦲",
+  "👩🏻‍🦳",
+  "👩🏻‍🦼",
+  "👩🏻‍🦽",
+  "👩🏻‍⚕️",
+  "👩🏻‍⚖️",
+  "👩🏻‍✈️",
+  "👩🏻",
+  "👩🏼‍🌾",
+  "👩🏼‍🍳",
+  "👩🏼‍🎓",
+  "👩🏼‍🎤",
+  "👩🏼‍🎨",
+  "👩🏼‍🏫",
+  "👩🏼‍🏭",
+  "👩🏼‍💻",
+  "👩🏼‍💼",
+  "👩🏼‍🔧",
+  "👩🏼‍🔬",
+  "👩🏼‍🚀",
+  "👩🏼‍🚒",
+  "👩🏼‍🤝‍👨🏻",
+  "👩🏼‍🤝‍👨🏽",
+  "👩🏼‍🤝‍👨🏾",
+  "👩🏼‍🤝‍👨🏿",
+  "👩🏼‍🤝‍👩🏻",
+  "👩🏼‍🦯",
+  "👩🏼‍🦰",
+  "👩🏼‍🦱",
+  "👩🏼‍🦲",
+  "👩🏼‍🦳",
+  "👩🏼‍🦼",
+  "👩🏼‍🦽",
+  "👩🏼‍⚕️",
+  "👩🏼‍⚖️",
+  "👩🏼‍✈️",
+  "👩🏼",
+  "👩🏽‍🌾",
+  "👩🏽‍🍳",
+  "👩🏽‍🎓",
+  "👩🏽‍🎤",
+  "👩🏽‍🎨",
+  "👩🏽‍🏫",
+  "👩🏽‍🏭",
+  "👩🏽‍💻",
+  "👩🏽‍💼",
+  "👩🏽‍🔧",
+  "👩🏽‍🔬",
+  "👩🏽‍🚀",
+  "👩🏽‍🚒",
+  "👩🏽‍🤝‍👨🏻",
+  "👩🏽‍🤝‍👨🏼",
+  "👩🏽‍🤝‍👨🏾",
+  "👩🏽‍🤝‍👨🏿",
+  "👩🏽‍🤝‍👩🏻",
+  "👩🏽‍🤝‍👩🏼",
+  "👩🏽‍🦯",
+  "👩🏽‍🦰",
+  "👩🏽‍🦱",
+  "👩🏽‍🦲",
+  "👩🏽‍🦳",
+  "👩🏽‍🦼",
+  "👩🏽‍🦽",
+  "👩🏽‍⚕️",
+  "👩🏽‍⚖️",
+  "👩🏽‍✈️",
+  "👩🏽",
+  "👩🏾‍🌾",
+  "👩🏾‍🍳",
+  "👩🏾‍🎓",
+  "👩🏾‍🎤",
+  "👩🏾‍🎨",
+  "👩🏾‍🏫",
+  "👩🏾‍🏭",
+  "👩🏾‍💻",
+  "👩🏾‍💼",
+  "👩🏾‍🔧",
+  "👩🏾‍🔬",
+  "👩🏾‍🚀",
+  "👩🏾‍🚒",
+  "👩🏾‍🤝‍👨🏻",
+  "👩🏾‍🤝‍👨🏼",
+  "👩🏾‍🤝‍👨🏽",
+  "👩🏾‍🤝‍👨🏿",
+  "👩🏾‍🤝‍👩🏻",
+  "👩🏾‍🤝‍👩🏼",
+  "👩🏾‍🤝‍👩🏽",
+  "👩🏾‍🦯",
+  "👩🏾‍🦰",
+  "👩🏾‍🦱",
+  "👩🏾‍🦲",
+  "👩🏾‍🦳",
+  "👩🏾‍🦼",
+  "👩🏾‍🦽",
+  "👩🏾‍⚕️",
+  "👩🏾‍⚖️",
+  "👩🏾‍✈️",
+  "👩🏾",
+  "👩🏿‍🌾",
+  "👩🏿‍🍳",
+  "👩🏿‍🎓",
+  "👩🏿‍🎤",
+  "👩🏿‍🎨",
+  "👩🏿‍🏫",
+  "👩🏿‍🏭",
+  "👩🏿‍💻",
+  "👩🏿‍💼",
+  "👩🏿‍🔧",
+  "👩🏿‍🔬",
+  "👩🏿‍🚀",
+  "👩🏿‍🚒",
+  "👩🏿‍🤝‍👨🏻",
+  "👩🏿‍🤝‍👨🏼",
+  "👩🏿‍🤝‍👨🏽",
+  "👩🏿‍🤝‍👨🏾",
+  "👩🏿‍🤝‍👩🏻",
+  "👩🏿‍🤝‍👩🏼",
+  "👩🏿‍🤝‍👩🏽",
+  "👩🏿‍🤝‍👩🏾",
+  "👩🏿‍🦯",
+  "👩🏿‍🦰",
+  "👩🏿‍🦱",
+  "👩🏿‍🦲",
+  "👩🏿‍🦳",
+  "👩🏿‍🦼",
+  "👩🏿‍🦽",
+  "👩🏿‍⚕️",
+  "👩🏿‍⚖️",
+  "👩🏿‍✈️",
+  "👩🏿",
+  "👩‍🌾",
+  "👩‍🍳",
+  "👩‍🎓",
+  "👩‍🎤",
+  "👩‍🎨",
+  "👩‍🏫",
+  "👩‍🏭",
+  "👩‍👦‍👦",
+  "👩‍👦",
+  "👩‍👧‍👦",
+  "👩‍👧‍👧",
+  "👩‍👧",
+  "👩‍👩‍👦‍👦",
+  "👩‍👩‍👦",
+  "👩‍👩‍👧‍👦",
+  "👩‍👩‍👧‍👧",
+  "👩‍👩‍👧",
+  "👩‍💻",
+  "👩‍💼",
+  "👩‍🔧",
+  "👩‍🔬",
+  "👩‍🚀",
+  "👩‍🚒",
+  "👩‍🦯",
+  "👩‍🦰",
+  "👩‍🦱",
+  "👩‍🦲",
+  "👩‍🦳",
+  "👩‍🦼",
+  "👩‍🦽",
+  "👩‍⚕️",
+  "👩‍⚖️",
+  "👩‍✈️",
+  "👩‍❤️‍👨",
+  "👩‍❤️‍👩",
+  "👩‍❤️‍💋‍👨",
+  "👩‍❤️‍💋‍👩",
+  "👩",
+  "👪",
+  "👫🏻",
+  "👫🏼",
+  "👫🏽",
+  "👫🏾",
+  "👫🏿",
+  "👫",
+  "👬🏻",
+  "👬🏼",
+  "👬🏽",
+  "👬🏾",
+  "👬🏿",
+  "👬",
+  "👭🏻",
+  "👭🏼",
+  "👭🏽",
+  "👭🏾",
+  "👭🏿",
+  "👭",
+  "👮🏻‍♀️",
+  "👮🏻‍♂️",
+  "👮🏻",
+  "👮🏼‍♀️",
+  "👮🏼‍♂️",
+  "👮🏼",
+  "👮🏽‍♀️",
+  "👮🏽‍♂️",
+  "👮🏽",
+  "👮🏾‍♀️",
+  "👮🏾‍♂️",
+  "👮🏾",
+  "👮🏿‍♀️",
+  "👮🏿‍♂️",
+  "👮🏿",
+  "👮‍♀️",
+  "👮‍♂️",
+  "👮",
+  "👯‍♀️",
+  "👯‍♂️",
+  "👯",
+  "👰🏻",
+  "👰🏼",
+  "👰🏽",
+  "👰🏾",
+  "👰🏿",
+  "👰",
+  "👱🏻‍♀️",
+  "👱🏻‍♂️",
+  "👱🏻",
+  "👱🏼‍♀️",
+  "👱🏼‍♂️",
+  "👱🏼",
+  "👱🏽‍♀️",
+  "👱🏽‍♂️",
+  "👱🏽",
+  "👱🏾‍♀️",
+  "👱🏾‍♂️",
+  "👱🏾",
+  "👱🏿‍♀️",
+  "👱🏿‍♂️",
+  "👱🏿",
+  "👱‍♀️",
+  "👱‍♂️",
+  "👱",
+  "👲🏻",
+  "👲🏼",
+  "👲🏽",
+  "👲🏾",
+  "👲🏿",
+  "👲",
+  "👳🏻‍♀️",
+  "👳🏻‍♂️",
+  "👳🏻",
+  "👳🏼‍♀️",
+  "👳🏼‍♂️",
+  "👳🏼",
+  "👳🏽‍♀️",
+  "👳🏽‍♂️",
+  "👳🏽",
+  "👳🏾‍♀️",
+  "👳🏾‍♂️",
+  "👳🏾",
+  "👳🏿‍♀️",
+  "👳🏿‍♂️",
+  "👳🏿",
+  "👳‍♀️",
+  "👳‍♂️",
+  "👳",
+  "👴🏻",
+  "👴🏼",
+  "👴🏽",
+  "👴🏾",
+  "👴🏿",
+  "👴",
+  "👵🏻",
+  "👵🏼",
+  "👵🏽",
+  "👵🏾",
+  "👵🏿",
+  "👵",
+  "👶🏻",
+  "👶🏼",
+  "👶🏽",
+  "👶🏾",
+  "👶🏿",
+  "👶",
+  "👷🏻‍♀️",
+  "👷🏻‍♂️",
+  "👷🏻",
+  "👷🏼‍♀️",
+  "👷🏼‍♂️",
+  "👷🏼",
+  "👷🏽‍♀️",
+  "👷🏽‍♂️",
+  "👷🏽",
+  "👷🏾‍♀️",
+  "👷🏾‍♂️",
+  "👷🏾",
+  "👷🏿‍♀️",
+  "👷🏿‍♂️",
+  "👷🏿",
+  "👷‍♀️",
+  "👷‍♂️",
+  "👷",
+  "👸🏻",
+  "👸🏼",
+  "👸🏽",
+  "👸🏾",
+  "👸🏿",
+  "👸",
+  "👹",
+  "👺",
+  "👻",
+  "👼🏻",
+  "👼🏼",
+  "👼🏽",
+  "👼🏾",
+  "👼🏿",
+  "👼",
+  "👽",
+  "👾",
+  "👿",
+  "💀",
+  "💁🏻‍♀️",
+  "💁🏻‍♂️",
+  "💁🏻",
+  "💁🏼‍♀️",
+  "💁🏼‍♂️",
+  "💁🏼",
+  "💁🏽‍♀️",
+  "💁🏽‍♂️",
+  "💁🏽",
+  "💁🏾‍♀️",
+  "💁🏾‍♂️",
+  "💁🏾",
+  "💁🏿‍♀️",
+  "💁🏿‍♂️",
+  "💁🏿",
+  "💁‍♀️",
+  "💁‍♂️",
+  "💁",
+  "💂🏻‍♀️",
+  "💂🏻‍♂️",
+  "💂🏻",
+  "💂🏼‍♀️",
+  "💂🏼‍♂️",
+  "💂🏼",
+  "💂🏽‍♀️",
+  "💂🏽‍♂️",
+  "💂🏽",
+  "💂🏾‍♀️",
+  "💂🏾‍♂️",
+  "💂🏾",
+  "💂🏿‍♀️",
+  "💂🏿‍♂️",
+  "💂🏿",
+  "💂‍♀️",
+  "💂‍♂️",
+  "💂",
+  "💃🏻",
+  "💃🏼",
+  "💃🏽",
+  "💃🏾",
+  "💃🏿",
+  "💃",
+  "💄",
+  "💅🏻",
+  "💅🏼",
+  "💅🏽",
+  "💅🏾",
+  "💅🏿",
+  "💅",
+  "💆🏻‍♀️",
+  "💆🏻‍♂️",
+  "💆🏻",
+  "💆🏼‍♀️",
+  "💆🏼‍♂️",
+  "💆🏼",
+  "💆🏽‍♀️",
+  "💆🏽‍♂️",
+  "💆🏽",
+  "💆🏾‍♀️",
+  "💆🏾‍♂️",
+  "💆🏾",
+  "💆🏿‍♀️",
+  "💆🏿‍♂️",
+  "💆🏿",
+  "💆‍♀️",
+  "💆‍♂️",
+  "💆",
+  "💇🏻‍♀️",
+  "💇🏻‍♂️",
+  "💇🏻",
+  "💇🏼‍♀️",
+  "💇🏼‍♂️",
+  "💇🏼",
+  "💇🏽‍♀️",
+  "💇🏽‍♂️",
+  "💇🏽",
+  "💇🏾‍♀️",
+  "💇🏾‍♂️",
+  "💇🏾",
+  "💇🏿‍♀️",
+  "💇🏿‍♂️",
+  "💇🏿",
+  "💇‍♀️",
+  "💇‍♂️",
+  "💇",
+  "💈",
+  "💉",
+  "💊",
+  "💋",
+  "💌",
+  "💍",
+  "💎",
+  "💏",
+  "💐",
+  "💑",
+  "💒",
+  "💓",
+  "💔",
+  "💕",
+  "💖",
+  "💗",
+  "💘",
+  "💙",
+  "💚",
+  "💛",
+  "💜",
+  "💝",
+  "💞",
+  "💟",
+  "💠",
+  "💡",
+  "💢",
+  "💣",
+  "💤",
+  "💥",
+  "💦",
+  "💧",
+  "💨",
+  "💩",
+  "💪🏻",
+  "💪🏼",
+  "💪🏽",
+  "💪🏾",
+  "💪🏿",
+  "💪",
+  "💫",
+  "💬",
+  "💭",
+  "💮",
+  "💯",
+  "💰",
+  "💱",
+  "💲",
+  "💳",
+  "💴",
+  "💵",
+  "💶",
+  "💷",
+  "💸",
+  "💹",
+  "💺",
+  "💻",
+  "💼",
+  "💽",
+  "💾",
+  "💿",
+  "📀",
+  "📁",
+  "📂",
+  "📃",
+  "📄",
+  "📅",
+  "📆",
+  "📇",
+  "📈",
+  "📉",
+  "📊",
+  "📋",
+  "📌",
+  "📍",
+  "📎",
+  "📏",
+  "📐",
+  "📑",
+  "📒",
+  "📓",
+  "📔",
+  "📕",
+  "📖",
+  "📗",
+  "📘",
+  "📙",
+  "📚",
+  "📛",
+  "📜",
+  "📝",
+  "📞",
+  "📟",
+  "📠",
+  "📡",
+  "📢",
+  "📣",
+  "📤",
+  "📥",
+  "📦",
+  "📧",
+  "📨",
+  "📩",
+  "📪",
+  "📫",
+  "📬",
+  "📭",
+  "📮",
+  "📯",
+  "📰",
+  "📱",
+  "📲",
+  "📳",
+  "📴",
+  "📵",
+  "📶",
+  "📷",
+  "📸",
+  "📹",
+  "📺",
+  "📻",
+  "📼",
+  "📽️",
+  "📿",
+  "🔀",
+  "🔁",
+  "🔂",
+  "🔃",
+  "🔄",
+  "🔅",
+  "🔆",
+  "🔇",
+  "🔈",
+  "🔉",
+  "🔊",
+  "🔋",
+  "🔌",
+  "🔍",
+  "🔎",
+  "🔏",
+  "🔐",
+  "🔑",
+  "🔒",
+  "🔓",
+  "🔔",
+  "🔕",
+  "🔖",
+  "🔗",
+  "🔘",
+  "🔙",
+  "🔚",
+  "🔛",
+  "🔜",
+  "🔝",
+  "🔞",
+  "🔟",
+  "🔠",
+  "🔡",
+  "🔢",
+  "🔣",
+  "🔤",
+  "🔥",
+  "🔦",
+  "🔧",
+  "🔨",
+  "🔩",
+  "🔪",
+  "🔫",
+  "🔬",
+  "🔭",
+  "🔮",
+  "🔯",
+  "🔰",
+  "🔱",
+  "🔲",
+  "🔳",
+  "🔴",
+  "🔵",
+  "🔶",
+  "🔷",
+  "🔸",
+  "🔹",
+  "🔺",
+  "🔻",
+  "🔼",
+  "🔽",
+  "🕉️",
+  "🕊️",
+  "🕋",
+  "🕌",
+  "🕍",
+  "🕎",
+  "🕐",
+  "🕑",
+  "🕒",
+  "🕓",
+  "🕔",
+  "🕕",
+  "🕖",
+  "🕗",
+  "🕘",
+  "🕙",
+  "🕚",
+  "🕛",
+  "🕜",
+  "🕝",
+  "🕞",
+  "🕟",
+  "🕠",
+  "🕡",
+  "🕢",
+  "🕣",
+  "🕤",
+  "🕥",
+  "🕦",
+  "🕧",
+  "🕯️",
+  "🕰️",
+  "🕳️",
+  "🕴🏻‍♀️",
+  "🕴🏻‍♂️",
+  "🕴🏻",
+  "🕴🏼‍♀️",
+  "🕴🏼‍♂️",
+  "🕴🏼",
+  "🕴🏽‍♀️",
+  "🕴🏽‍♂️",
+  "🕴🏽",
+  "🕴🏾‍♀️",
+  "🕴🏾‍♂️",
+  "🕴🏾",
+  "🕴🏿‍♀️",
+  "🕴🏿‍♂️",
+  "🕴🏿",
+  "🕴️‍♀️",
+  "🕴️‍♂️",
+  "🕴️",
+  "🕵🏻‍♀️",
+  "🕵🏻‍♂️",
+  "🕵🏻",
+  "🕵🏼‍♀️",
+  "🕵🏼‍♂️",
+  "🕵🏼",
+  "🕵🏽‍♀️",
+  "🕵🏽‍♂️",
+  "🕵🏽",
+  "🕵🏾‍♀️",
+  "🕵🏾‍♂️",
+  "🕵🏾",
+  "🕵🏿‍♀️",
+  "🕵🏿‍♂️",
+  "🕵🏿",
+  "🕵️‍♀️",
+  "🕵️‍♂️",
+  "🕵️",
+  "🕶️",
+  "🕷️",
+  "🕸️",
+  "🕹️",
+  "🕺🏻",
+  "🕺🏼",
+  "🕺🏽",
+  "🕺🏾",
+  "🕺🏿",
+  "🕺",
+  "🖇️",
+  "🖊️",
+  "🖋️",
+  "🖌️",
+  "🖍️",
+  "🖐🏻",
+  "🖐🏼",
+  "🖐🏽",
+  "🖐🏾",
+  "🖐🏿",
+  "🖐️",
+  "🖕🏻",
+  "🖕🏼",
+  "🖕🏽",
+  "🖕🏾",
+  "🖕🏿",
+  "🖕",
+  "🖖🏻",
+  "🖖🏼",
+  "🖖🏽",
+  "🖖🏾",
+  "🖖🏿",
+  "🖖",
+  "🖤",
+  "🖥️",
+  "🖨️",
+  "🖱️",
+  "🖲️",
+  "🖼️",
+  "🗂️",
+  "🗃️",
+  "🗄️",
+  "🗑️",
+  "🗒️",
+  "🗓️",
+  "🗜️",
+  "🗝️",
+  "🗞️",
+  "🗡️",
+  "🗣️",
+  "🗨️",
+  "🗯️",
+  "🗳️",
+  "🗺️",
+  "🗻",
+  "🗼",
+  "🗽",
+  "🗾",
+  "🗿",
+  "😀",
+  "😁",
+  "😂",
+  "😃",
+  "😄",
+  "😅",
+  "😆",
+  "😇",
+  "😈",
+  "😉",
+  "😊",
+  "😋",
+  "😌",
+  "😍",
+  "😎",
+  "😏",
+  "😐",
+  "😑",
+  "😒",
+  "😓",
+  "😔",
+  "😕",
+  "😖",
+  "😗",
+  "😘",
+  "😙",
+  "😚",
+  "😛",
+  "😜",
+  "😝",
+  "😞",
+  "😟",
+  "😠",
+  "😡",
+  "😢",
+  "😣",
+  "😤",
+  "😥",
+  "😦",
+  "😧",
+  "😨",
+  "😩",
+  "😪",
+  "😫",
+  "😬",
+  "😭",
+  "😮",
+  "😯",
+  "😰",
+  "😱",
+  "😲",
+  "😳",
+  "😴",
+  "😵",
+  "😶",
+  "😷",
+  "😸",
+  "😹",
+  "😺",
+  "😻",
+  "😼",
+  "😽",
+  "😾",
+  "😿",
+  "🙀",
+  "🙁",
+  "🙂",
+  "🙃",
+  "🙄",
+  "🙅🏻‍♀️",
+  "🙅🏻‍♂️",
+  "🙅🏻",
+  "🙅🏼‍♀️",
+  "🙅🏼‍♂️",
+  "🙅🏼",
+  "🙅🏽‍♀️",
+  "🙅🏽‍♂️",
+  "🙅🏽",
+  "🙅🏾‍♀️",
+  "🙅🏾‍♂️",
+  "🙅🏾",
+  "🙅🏿‍♀️",
+  "🙅🏿‍♂️",
+  "🙅🏿",
+  "🙅‍♀️",
+  "🙅‍♂️",
+  "🙅",
+  "🙆🏻‍♀️",
+  "🙆🏻‍♂️",
+  "🙆🏻",
+  "🙆🏼‍♀️",
+  "🙆🏼‍♂️",
+  "🙆🏼",
+  "🙆🏽‍♀️",
+  "🙆🏽‍♂️",
+  "🙆🏽",
+  "🙆🏾‍♀️",
+  "🙆🏾‍♂️",
+  "🙆🏾",
+  "🙆🏿‍♀️",
+  "🙆🏿‍♂️",
+  "🙆🏿",
+  "🙆‍♀️",
+  "🙆‍♂️",
+  "🙆",
+  "🙇🏻‍♀️",
+  "🙇🏻‍♂️",
+  "🙇🏻",
+  "🙇🏼‍♀️",
+  "🙇🏼‍♂️",
+  "🙇🏼",
+  "🙇🏽‍♀️",
+  "🙇🏽‍♂️",
+  "🙇🏽",
+  "🙇🏾‍♀️",
+  "🙇🏾‍♂️",
+  "🙇🏾",
+  "🙇🏿‍♀️",
+  "🙇🏿‍♂️",
+  "🙇🏿",
+  "🙇‍♀️",
+  "🙇‍♂️",
+  "🙇",
+  "🙈",
+  "🙉",
+  "🙊",
+  "🙋🏻‍♀️",
+  "🙋🏻‍♂️",
+  "🙋🏻",
+  "🙋🏼‍♀️",
+  "🙋🏼‍♂️",
+  "🙋🏼",
+  "🙋🏽‍♀️",
+  "🙋🏽‍♂️",
+  "🙋🏽",
+  "🙋🏾‍♀️",
+  "🙋🏾‍♂️",
+  "🙋🏾",
+  "🙋🏿‍♀️",
+  "🙋🏿‍♂️",
+  "🙋🏿",
+  "🙋‍♀️",
+  "🙋‍♂️",
+  "🙋",
+  "🙌🏻",
+  "🙌🏼",
+  "🙌🏽",
+  "🙌🏾",
+  "🙌🏿",
+  "🙌",
+  "🙍🏻‍♀️",
+  "🙍🏻‍♂️",
+  "🙍🏻",
+  "🙍🏼‍♀️",
+  "🙍🏼‍♂️",
+  "🙍🏼",
+  "🙍🏽‍♀️",
+  "🙍🏽‍♂️",
+  "🙍🏽",
+  "🙍🏾‍♀️",
+  "🙍🏾‍♂️",
+  "🙍🏾",
+  "🙍🏿‍♀️",
+  "🙍🏿‍♂️",
+  "🙍🏿",
+  "🙍‍♀️",
+  "🙍‍♂️",
+  "🙍",
+  "🙎🏻‍♀️",
+  "🙎🏻‍♂️",
+  "🙎🏻",
+  "🙎🏼‍♀️",
+  "🙎🏼‍♂️",
+  "🙎🏼",
+  "🙎🏽‍♀️",
+  "🙎🏽‍♂️",
+  "🙎🏽",
+  "🙎🏾‍♀️",
+  "🙎🏾‍♂️",
+  "🙎🏾",
+  "🙎🏿‍♀️",
+  "🙎🏿‍♂️",
+  "🙎🏿",
+  "🙎‍♀️",
+  "🙎‍♂️",
+  "🙎",
+  "🙏🏻",
+  "🙏🏼",
+  "🙏🏽",
+  "🙏🏾",
+  "🙏🏿",
+  "🙏",
+  "🚀",
+  "🚁",
+  "🚂",
+  "🚃",
+  "🚄",
+  "🚅",
+  "🚆",
+  "🚇",
+  "🚈",
+  "🚉",
+  "🚊",
+  "🚋",
+  "🚌",
+  "🚍",
+  "🚎",
+  "🚏",
+  "🚐",
+  "🚑",
+  "🚒",
+  "🚓",
+  "🚔",
+  "🚕",
+  "🚖",
+  "🚗",
+  "🚘",
+  "🚙",
+  "🚚",
+  "🚛",
+  "🚜",
+  "🚝",
+  "🚞",
+  "🚟",
+  "🚠",
+  "🚡",
+  "🚢",
+  "🚣🏻‍♀️",
+  "🚣🏻‍♂️",
+  "🚣🏻",
+  "🚣🏼‍♀️",
+  "🚣🏼‍♂️",
+  "🚣🏼",
+  "🚣🏽‍♀️",
+  "🚣🏽‍♂️",
+  "🚣🏽",
+  "🚣🏾‍♀️",
+  "🚣🏾‍♂️",
+  "🚣🏾",
+  "🚣🏿‍♀️",
+  "🚣🏿‍♂️",
+  "🚣🏿",
+  "🚣‍♀️",
+  "🚣‍♂️",
+  "🚣",
+  "🚤",
+  "🚥",
+  "🚦",
+  "🚧",
+  "🚨",
+  "🚩",
+  "🚪",
+  "🚫",
+  "🚬",
+  "🚭",
+  "🚮",
+  "🚯",
+  "🚰",
+  "🚱",
+  "🚲",
+  "🚳",
+  "🚴🏻‍♀️",
+  "🚴🏻‍♂️",
+  "🚴🏻",
+  "🚴🏼‍♀️",
+  "🚴🏼‍♂️",
+  "🚴🏼",
+  "🚴🏽‍♀️",
+  "🚴🏽‍♂️",
+  "🚴🏽",
+  "🚴🏾‍♀️",
+  "🚴🏾‍♂️",
+  "🚴🏾",
+  "🚴🏿‍♀️",
+  "🚴🏿‍♂️",
+  "🚴🏿",
+  "🚴‍♀️",
+  "🚴‍♂️",
+  "🚴",
+  "🚵🏻‍♀️",
+  "🚵🏻‍♂️",
+  "🚵🏻",
+  "🚵🏼‍♀️",
+  "🚵🏼‍♂️",
+  "🚵🏼",
+  "🚵🏽‍♀️",
+  "🚵🏽‍♂️",
+  "🚵🏽",
+  "🚵🏾‍♀️",
+  "🚵🏾‍♂️",
+  "🚵🏾",
+  "🚵🏿‍♀️",
+  "🚵🏿‍♂️",
+  "🚵🏿",
+  "🚵‍♀️",
+  "🚵‍♂️",
+  "🚵",
+  "🚶🏻‍♀️",
+  "🚶🏻‍♂️",
+  "🚶🏻",
+  "🚶🏼‍♀️",
+  "🚶🏼‍♂️",
+  "🚶🏼",
+  "🚶🏽‍♀️",
+  "🚶🏽‍♂️",
+  "🚶🏽",
+  "🚶🏾‍♀️",
+  "🚶🏾‍♂️",
+  "🚶🏾",
+  "🚶🏿‍♀️",
+  "🚶🏿‍♂️",
+  "🚶🏿",
+  "🚶‍♀️",
+  "🚶‍♂️",
+  "🚶",
+  "🚷",
+  "🚸",
+  "🚹",
+  "🚺",
+  "🚻",
+  "🚼",
+  "🚽",
+  "🚾",
+  "🚿",
+  "🛀🏻",
+  "🛀🏼",
+  "🛀🏽",
+  "🛀🏾",
+  "🛀🏿",
+  "🛀",
+  "🛁",
+  "🛂",
+  "🛃",
+  "🛄",
+  "🛅",
+  "🛋️",
+  "🛌🏻",
+  "🛌🏼",
+  "🛌🏽",
+  "🛌🏾",
+  "🛌🏿",
+  "🛌",
+  "🛍️",
+  "🛎️",
+  "🛏️",
+  "🛐",
+  "🛑",
+  "🛒",
+  "🛕",
+  "🛠️",
+  "🛡️",
+  "🛢️",
+  "🛣️",
+  "🛤️",
+  "🛥️",
+  "🛩️",
+  "🛫",
+  "🛬",
+  "🛰️",
+  "🛳️",
+  "🛴",
+  "🛵",
+  "🛶",
+  "🛷",
+  "🛸",
+  "🛹",
+  "🛺",
+  "🟠",
+  "🟡",
+  "🟢",
+  "🟣",
+  "🟤",
+  "🟥",
+  "🟦",
+  "🟧",
+  "🟨",
+  "🟩",
+  "🟪",
+  "🟫",
+  "🤍",
+  "🤎",
+  "🤏🏻",
+  "🤏🏼",
+  "🤏🏽",
+  "🤏🏾",
+  "🤏🏿",
+  "🤏",
+  "🤐",
+  "🤑",
+  "🤒",
+  "🤓",
+  "🤔",
+  "🤕",
+  "🤖",
+  "🤗",
+  "🤘🏻",
+  "🤘🏼",
+  "🤘🏽",
+  "🤘🏾",
+  "🤘🏿",
+  "🤘",
+  "🤙🏻",
+  "🤙🏼",
+  "🤙🏽",
+  "🤙🏾",
+  "🤙🏿",
+  "🤙",
+  "🤚🏻",
+  "🤚🏼",
+  "🤚🏽",
+  "🤚🏾",
+  "🤚🏿",
+  "🤚",
+  "🤛🏻",
+  "🤛🏼",
+  "🤛🏽",
+  "🤛🏾",
+  "🤛🏿",
+  "🤛",
+  "🤜🏻",
+  "🤜🏼",
+  "🤜🏽",
+  "🤜🏾",
+  "🤜🏿",
+  "🤜",
+  "🤝",
+  "🤞🏻",
+  "🤞🏼",
+  "🤞🏽",
+  "🤞🏾",
+  "🤞🏿",
+  "🤞",
+  "🤟🏻",
+  "🤟🏼",
+  "🤟🏽",
+  "🤟🏾",
+  "🤟🏿",
+  "🤟",
+  "🤠",
+  "🤡",
+  "🤢",
+  "🤣",
+  "🤤",
+  "🤥",
+  "🤦🏻‍♀️",
+  "🤦🏻‍♂️",
+  "🤦🏻",
+  "🤦🏼‍♀️",
+  "🤦🏼‍♂️",
+  "🤦🏼",
+  "🤦🏽‍♀️",
+  "🤦🏽‍♂️",
+  "🤦🏽",
+  "🤦🏾‍♀️",
+  "🤦🏾‍♂️",
+  "🤦🏾",
+  "🤦🏿‍♀️",
+  "🤦🏿‍♂️",
+  "🤦🏿",
+  "🤦‍♀️",
+  "🤦‍♂️",
+  "🤦",
+  "🤧",
+  "🤨",
+  "🤩",
+  "🤪",
+  "🤫",
+  "🤬",
+  "🤭",
+  "🤮",
+  "🤯",
+  "🤰🏻",
+  "🤰🏼",
+  "🤰🏽",
+  "🤰🏾",
+  "🤰🏿",
+  "🤰",
+  "🤱🏻",
+  "🤱🏼",
+  "🤱🏽",
+  "🤱🏾",
+  "🤱🏿",
+  "🤱",
+  "🤲🏻",
+  "🤲🏼",
+  "🤲🏽",
+  "🤲🏾",
+  "🤲🏿",
+  "🤲",
+  "🤳🏻",
+  "🤳🏼",
+  "🤳🏽",
+  "🤳🏾",
+  "🤳🏿",
+  "🤳",
+  "🤴🏻",
+  "🤴🏼",
+  "🤴🏽",
+  "🤴🏾",
+  "🤴🏿",
+  "🤴",
+  "🤵🏻‍♀️",
+  "🤵🏻‍♂️",
+  "🤵🏻",
+  "🤵🏼‍♀️",
+  "🤵🏼‍♂️",
+  "🤵🏼",
+  "🤵🏽‍♀️",
+  "🤵🏽‍♂️",
+  "🤵🏽",
+  "🤵🏾‍♀️",
+  "🤵🏾‍♂️",
+  "🤵🏾",
+  "🤵🏿‍♀️",
+  "🤵🏿‍♂️",
+  "🤵🏿",
+  "🤵‍♀️",
+  "🤵‍♂️",
+  "🤵",
+  "🤶🏻",
+  "🤶🏼",
+  "🤶🏽",
+  "🤶🏾",
+  "🤶🏿",
+  "🤶",
+  "🤷🏻‍♀️",
+  "🤷🏻‍♂️",
+  "🤷🏻",
+  "🤷🏼‍♀️",
+  "🤷🏼‍♂️",
+  "🤷🏼",
+  "🤷🏽‍♀️",
+  "🤷🏽‍♂️",
+  "🤷🏽",
+  "🤷🏾‍♀️",
+  "🤷🏾‍♂️",
+  "🤷🏾",
+  "🤷🏿‍♀️",
+  "🤷🏿‍♂️",
+  "🤷🏿",
+  "🤷‍♀️",
+  "🤷‍♂️",
+  "🤷",
+  "🤸🏻‍♀️",
+  "🤸🏻‍♂️",
+  "🤸🏻",
+  "🤸🏼‍♀️",
+  "🤸🏼‍♂️",
+  "🤸🏼",
+  "🤸🏽‍♀️",
+  "🤸🏽‍♂️",
+  "🤸🏽",
+  "🤸🏾‍♀️",
+  "🤸🏾‍♂️",
+  "🤸🏾",
+  "🤸🏿‍♀️",
+  "🤸🏿‍♂️",
+  "🤸🏿",
+  "🤸‍♀️",
+  "🤸‍♂️",
+  "🤸",
+  "🤹🏻‍♀️",
+  "🤹🏻‍♂️",
+  "🤹🏻",
+  "🤹🏼‍♀️",
+  "🤹🏼‍♂️",
+  "🤹🏼",
+  "🤹🏽‍♀️",
+  "🤹🏽‍♂️",
+  "🤹🏽",
+  "🤹🏾‍♀️",
+  "🤹🏾‍♂️",
+  "🤹🏾",
+  "🤹🏿‍♀️",
+  "🤹🏿‍♂️",
+  "🤹🏿",
+  "🤹‍♀️",
+  "🤹‍♂️",
+  "🤹",
+  "🤺",
+  "🤼‍♀️",
+  "🤼‍♂️",
+  "🤼",
+  "🤽🏻‍♀️",
+  "🤽🏻‍♂️",
+  "🤽🏻",
+  "🤽🏼‍♀️",
+  "🤽🏼‍♂️",
+  "🤽🏼",
+  "🤽🏽‍♀️",
+  "🤽🏽‍♂️",
+  "🤽🏽",
+  "🤽🏾‍♀️",
+  "🤽🏾‍♂️",
+  "🤽🏾",
+  "🤽🏿‍♀️",
+  "🤽🏿‍♂️",
+  "🤽🏿",
+  "🤽‍♀️",
+  "🤽‍♂️",
+  "🤽",
+  "🤾🏻‍♀️",
+  "🤾🏻‍♂️",
+  "🤾🏻",
+  "🤾🏼‍♀️",
+  "🤾🏼‍♂️",
+  "🤾🏼",
+  "🤾🏽‍♀️",
+  "🤾🏽‍♂️",
+  "🤾🏽",
+  "🤾🏾‍♀️",
+  "🤾🏾‍♂️",
+  "🤾🏾",
+  "🤾🏿‍♀️",
+  "🤾🏿‍♂️",
+  "🤾🏿",
+  "🤾‍♀️",
+  "🤾‍♂️",
+  "🤾",
+  "🤿",
+  "🥀",
+  "🥁",
+  "🥂",
+  "🥃",
+  "🥄",
+  "🥅",
+  "🥇",
+  "🥈",
+  "🥉",
+  "🥊",
+  "🥋",
+  "🥌",
+  "🥍",
+  "🥎",
+  "🥏",
+  "🥐",
+  "🥑",
+  "🥒",
+  "🥓",
+  "🥔",
+  "🥕",
+  "🥖",
+  "🥗",
+  "🥘",
+  "🥙",
+  "🥚",
+  "🥛",
+  "🥜",
+  "🥝",
+  "🥞",
+  "🥟",
+  "🥠",
+  "🥡",
+  "🥢",
+  "🥣",
+  "🥤",
+  "🥥",
+  "🥦",
+  "🥧",
+  "🥨",
+  "🥩",
+  "🥪",
+  "🥫",
+  "🥬",
+  "🥭",
+  "🥮",
+  "🥯",
+  "🥰",
+  "🥱",
+  "🥳",
+  "🥴",
+  "🥵",
+  "🥶",
+  "🥺",
+  "🥻",
+  "🥼",
+  "🥽",
+  "🥾",
+  "🥿",
+  "🦀",
+  "🦁",
+  "🦂",
+  "🦃",
+  "🦄",
+  "🦅",
+  "🦆",
+  "🦇",
+  "🦈",
+  "🦉",
+  "🦊",
+  "🦋",
+  "🦌",
+  "🦍",
+  "🦎",
+  "🦏",
+  "🦐",
+  "🦑",
+  "🦒",
+  "🦓",
+  "🦔",
+  "🦕",
+  "🦖",
+  "🦗",
+  "🦘",
+  "🦙",
+  "🦚",
+  "🦛",
+  "🦜",
+  "🦝",
+  "🦞",
+  "🦟",
+  "🦠",
+  "🦡",
+  "🦢",
+  "🦥",
+  "🦦",
+  "🦧",
+  "🦨",
+  "🦩",
+  "🦪",
+  "🦮",
+  "🦯",
+  "🦰",
+  "🦱",
+  "🦲",
+  "🦳",
+  "🦴",
+  "🦵🏻",
+  "🦵🏼",
+  "🦵🏽",
+  "🦵🏾",
+  "🦵🏿",
+  "🦵",
+  "🦶🏻",
+  "🦶🏼",
+  "🦶🏽",
+  "🦶🏾",
+  "🦶🏿",
+  "🦶",
+  "🦷",
+  "🦸🏻‍♀️",
+  "🦸🏻‍♂️",
+  "🦸🏻",
+  "🦸🏼‍♀️",
+  "🦸🏼‍♂️",
+  "🦸🏼",
+  "🦸🏽‍♀️",
+  "🦸🏽‍♂️",
+  "🦸🏽",
+  "🦸🏾‍♀️",
+  "🦸🏾‍♂️",
+  "🦸🏾",
+  "🦸🏿‍♀️",
+  "🦸🏿‍♂️",
+  "🦸🏿",
+  "🦸‍♀️",
+  "🦸‍♂️",
+  "🦸",
+  "🦹🏻‍♀️",
+  "🦹🏻‍♂️",
+  "🦹🏻",
+  "🦹🏼‍♀️",
+  "🦹🏼‍♂️",
+  "🦹🏼",
+  "🦹🏽‍♀️",
+  "🦹🏽‍♂️",
+  "🦹🏽",
+  "🦹🏾‍♀️",
+  "🦹🏾‍♂️",
+  "🦹🏾",
+  "🦹🏿‍♀️",
+  "🦹🏿‍♂️",
+  "🦹🏿",
+  "🦹‍♀️",
+  "🦹‍♂️",
+  "🦹",
+  "🦺",
+  "🦻🏻",
+  "🦻🏼",
+  "🦻🏽",
+  "🦻🏾",
+  "🦻🏿",
+  "🦻",
+  "🦼",
+  "🦽",
+  "🦾",
+  "🦿",
+  "🧀",
+  "🧁",
+  "🧂",
+  "🧃",
+  "🧄",
+  "🧅",
+  "🧆",
+  "🧇",
+  "🧈",
+  "🧉",
+  "🧊",
+  "🧍🏻‍♀️",
+  "🧍🏻‍♂️",
+  "🧍🏻",
+  "🧍🏼‍♀️",
+  "🧍🏼‍♂️",
+  "🧍🏼",
+  "🧍🏽‍♀️",
+  "🧍🏽‍♂️",
+  "🧍🏽",
+  "🧍🏾‍♀️",
+  "🧍🏾‍♂️",
+  "🧍🏾",
+  "🧍🏿‍♀️",
+  "🧍🏿‍♂️",
+  "🧍🏿",
+  "🧍‍♀️",
+  "🧍‍♂️",
+  "🧍",
+  "🧎🏻‍♀️",
+  "🧎🏻‍♂️",
+  "🧎🏻",
+  "🧎🏼‍♀️",
+  "🧎🏼‍♂️",
+  "🧎🏼",
+  "🧎🏽‍♀️",
+  "🧎🏽‍♂️",
+  "🧎🏽",
+  "🧎🏾‍♀️",
+  "🧎🏾‍♂️",
+  "🧎🏾",
+  "🧎🏿‍♀️",
+  "🧎🏿‍♂️",
+  "🧎🏿",
+  "🧎‍♀️",
+  "🧎‍♂️",
+  "🧎",
+  "🧏🏻‍♀️",
+  "🧏🏻‍♂️",
+  "🧏🏻",
+  "🧏🏼‍♀️",
+  "🧏🏼‍♂️",
+  "🧏🏼",
+  "🧏🏽‍♀️",
+  "🧏🏽‍♂️",
+  "🧏🏽",
+  "🧏🏾‍♀️",
+  "🧏🏾‍♂️",
+  "🧏🏾",
+  "🧏🏿‍♀️",
+  "🧏🏿‍♂️",
+  "🧏🏿",
+  "🧏‍♀️",
+  "🧏‍♂️",
+  "🧏",
+  "🧐",
+  "🧑🏻‍🤝‍🧑🏻",
+  "🧑🏻",
+  "🧑🏼‍🤝‍🧑🏻",
+  "🧑🏼‍🤝‍🧑🏼",
+  "🧑🏼",
+  "🧑🏽‍🤝‍🧑🏻",
+  "🧑🏽‍🤝‍🧑🏼",
+  "🧑🏽‍🤝‍🧑🏽",
+  "🧑🏽",
+  "🧑🏾‍🤝‍🧑🏻",
+  "🧑🏾‍🤝‍🧑🏼",
+  "🧑🏾‍🤝‍🧑🏽",
+  "🧑🏾‍🤝‍🧑🏾",
+  "🧑🏾",
+  "🧑🏿‍🤝‍🧑🏻",
+  "🧑🏿‍🤝‍🧑🏼",
+  "🧑🏿‍🤝‍🧑🏽",
+  "🧑🏿‍🤝‍🧑🏾",
+  "🧑🏿‍🤝‍🧑🏿",
+  "🧑🏿",
+  "🧑‍🤝‍🧑",
+  "🧑",
+  "🧒🏻",
+  "🧒🏼",
+  "🧒🏽",
+  "🧒🏾",
+  "🧒🏿",
+  "🧒",
+  "🧓🏻",
+  "🧓🏼",
+  "🧓🏽",
+  "🧓🏾",
+  "🧓🏿",
+  "🧓",
+  "🧔🏻",
+  "🧔🏼",
+  "🧔🏽",
+  "🧔🏾",
+  "🧔🏿",
+  "🧔",
+  "🧕🏻",
+  "🧕🏼",
+  "🧕🏽",
+  "🧕🏾",
+  "🧕🏿",
+  "🧕",
+  "🧖🏻‍♀️",
+  "🧖🏻‍♂️",
+  "🧖🏻",
+  "🧖🏼‍♀️",
+  "🧖🏼‍♂️",
+  "🧖🏼",
+  "🧖🏽‍♀️",
+  "🧖🏽‍♂️",
+  "🧖🏽",
+  "🧖🏾‍♀️",
+  "🧖🏾‍♂️",
+  "🧖🏾",
+  "🧖🏿‍♀️",
+  "🧖🏿‍♂️",
+  "🧖🏿",
+  "🧖‍♀️",
+  "🧖‍♂️",
+  "🧖",
+  "🧗🏻‍♀️",
+  "🧗🏻‍♂️",
+  "🧗🏻",
+  "🧗🏼‍♀️",
+  "🧗🏼‍♂️",
+  "🧗🏼",
+  "🧗🏽‍♀️",
+  "🧗🏽‍♂️",
+  "🧗🏽",
+  "🧗🏾‍♀️",
+  "🧗🏾‍♂️",
+  "🧗🏾",
+  "🧗🏿‍♀️",
+  "🧗🏿‍♂️",
+  "🧗🏿",
+  "🧗‍♀️",
+  "🧗‍♂️",
+  "🧗",
+  "🧘🏻‍♀️",
+  "🧘🏻‍♂️",
+  "🧘🏻",
+  "🧘🏼‍♀️",
+  "🧘🏼‍♂️",
+  "🧘🏼",
+  "🧘🏽‍♀️",
+  "🧘🏽‍♂️",
+  "🧘🏽",
+  "🧘🏾‍♀️",
+  "🧘🏾‍♂️",
+  "🧘🏾",
+  "🧘🏿‍♀️",
+  "🧘🏿‍♂️",
+  "🧘🏿",
+  "🧘‍♀️",
+  "🧘‍♂️",
+  "🧘",
+  "🧙🏻‍♀️",
+  "🧙🏻‍♂️",
+  "🧙🏻",
+  "🧙🏼‍♀️",
+  "🧙🏼‍♂️",
+  "🧙🏼",
+  "🧙🏽‍♀️",
+  "🧙🏽‍♂️",
+  "🧙🏽",
+  "🧙🏾‍♀️",
+  "🧙🏾‍♂️",
+  "🧙🏾",
+  "🧙🏿‍♀️",
+  "🧙🏿‍♂️",
+  "🧙🏿",
+  "🧙‍♀️",
+  "🧙‍♂️",
+  "🧙",
+  "🧚🏻‍♀️",
+  "🧚🏻‍♂️",
+  "🧚🏻",
+  "🧚🏼‍♀️",
+  "🧚🏼‍♂️",
+  "🧚🏼",
+  "🧚🏽‍♀️",
+  "🧚🏽‍♂️",
+  "🧚🏽",
+  "🧚🏾‍♀️",
+  "🧚🏾‍♂️",
+  "🧚🏾",
+  "🧚🏿‍♀️",
+  "🧚🏿‍♂️",
+  "🧚🏿",
+  "🧚‍♀️",
+  "🧚‍♂️",
+  "🧚",
+  "🧛🏻‍♀️",
+  "🧛🏻‍♂️",
+  "🧛🏻",
+  "🧛🏼‍♀️",
+  "🧛🏼‍♂️",
+  "🧛🏼",
+  "🧛🏽‍♀️",
+  "🧛🏽‍♂️",
+  "🧛🏽",
+  "🧛🏾‍♀️",
+  "🧛🏾‍♂️",
+  "🧛🏾",
+  "🧛🏿‍♀️",
+  "🧛🏿‍♂️",
+  "🧛🏿",
+  "🧛‍♀️",
+  "🧛‍♂️",
+  "🧛",
+  "🧜🏻‍♀️",
+  "🧜🏻‍♂️",
+  "🧜🏻",
+  "🧜🏼‍♀️",
+  "🧜🏼‍♂️",
+  "🧜🏼",
+  "🧜🏽‍♀️",
+  "🧜🏽‍♂️",
+  "🧜🏽",
+  "🧜🏾‍♀️",
+  "🧜🏾‍♂️",
+  "🧜🏾",
+  "🧜🏿‍♀️",
+  "🧜🏿‍♂️",
+  "🧜🏿",
+  "🧜‍♀️",
+  "🧜‍♂️",
+  "🧜",
+  "🧝🏻‍♀️",
+  "🧝🏻‍♂️",
+  "🧝🏻",
+  "🧝🏼‍♀️",
+  "🧝🏼‍♂️",
+  "🧝🏼",
+  "🧝🏽‍♀️",
+  "🧝🏽‍♂️",
+  "🧝🏽",
+  "🧝🏾‍♀️",
+  "🧝🏾‍♂️",
+  "🧝🏾",
+  "🧝🏿‍♀️",
+  "🧝🏿‍♂️",
+  "🧝🏿",
+  "🧝‍♀️",
+  "🧝‍♂️",
+  "🧝",
+  "🧞‍♀️",
+  "🧞‍♂️",
+  "🧞",
+  "🧟‍♀️",
+  "🧟‍♂️",
+  "🧟",
+  "🧠",
+  "🧡",
+  "🧢",
+  "🧣",
+  "🧤",
+  "🧥",
+  "🧦",
+  "🧧",
+  "🧨",
+  "🧩",
+  "🧪",
+  "🧫",
+  "🧬",
+  "🧭",
+  "🧮",
+  "🧯",
+  "🧰",
+  "🧱",
+  "🧲",
+  "🧳",
+  "🧴",
+  "🧵",
+  "🧶",
+  "🧷",
+  "🧸",
+  "🧹",
+  "🧺",
+  "🧻",
+  "🧼",
+  "🧽",
+  "🧾",
+  "🧿",
+  "🩰",
+  "🩱",
+  "🩲",
+  "🩳",
+  "🩸",
+  "🩹",
+  "🩺",
+  "🪀",
+  "🪁",
+  "🪂",
+  "🪐",
+  "🪑",
+  "🪒",
+  "🪓",
+  "🪔",
+  "🪕",
+  "‼️",
+  "⁉️",
+  "™️",
+  "ℹ️",
+  "↔️",
+  "↕️",
+  "↖️",
+  "↗️",
+  "↘️",
+  "↙️",
+  "↩️",
+  "↪️",
+  "#⃣",
+  "⌚️",
+  "⌛️",
+  "⌨️",
+  "⏏️",
+  "⏩",
+  "⏪",
+  "⏫",
+  "⏬",
+  "⏭️",
+  "⏮️",
+  "⏯️",
+  "⏰",
+  "⏱️",
+  "⏲️",
+  "⏳",
+  "⏸️",
+  "⏹️",
+  "⏺️",
+  "Ⓜ️",
+  "▪️",
+  "▫️",
+  "▶️",
+  "◀️",
+  "◻️",
+  "◼️",
+  "◽️",
+  "◾️",
+  "☀️",
+  "☁️",
+  "☂️",
+  "☃️",
+  "☄️",
+  "☎️",
+  "☑️",
+  "☔️",
+  "☕️",
+  "☘️",
+  "☝🏻",
+  "☝🏼",
+  "☝🏽",
+  "☝🏾",
+  "☝🏿",
+  "☝️",
+  "☠️",
+  "☢️",
+  "☣️",
+  "☦️",
+  "☪️",
+  "☮️",
+  "☯️",
+  "☸️",
+  "☹️",
+  "☺️",
+  "♀️",
+  "♂️",
+  "♈️",
+  "♉️",
+  "♊️",
+  "♋️",
+  "♌️",
+  "♍️",
+  "♎️",
+  "♏️",
+  "♐️",
+  "♑️",
+  "♒️",
+  "♓️",
+  "♟️",
+  "♠️",
+  "♣️",
+  "♥️",
+  "♦️",
+  "♨️",
+  "♻️",
+  "♾",
+  "♿️",
+  "⚒️",
+  "⚓️",
+  "⚔️",
+  "⚕️",
+  "⚖️",
+  "⚗️",
+  "⚙️",
+  "⚛️",
+  "⚜️",
+  "⚠️",
+  "⚡️",
+  "⚪️",
+  "⚫️",
+  "⚰️",
+  "⚱️",
+  "⚽️",
+  "⚾️",
+  "⛄️",
+  "⛅️",
+  "⛈️",
+  "⛎",
+  "⛏️",
+  "⛑️",
+  "⛓️",
+  "⛔️",
+  "⛩️",
+  "⛪️",
+  "⛰️",
+  "⛱️",
+  "⛲️",
+  "⛳️",
+  "⛴️",
+  "⛵️",
+  "⛷🏻",
+  "⛷🏼",
+  "⛷🏽",
+  "⛷🏾",
+  "⛷🏿",
+  "⛷️",
+  "⛸️",
+  "⛹🏻‍♀️",
+  "⛹🏻‍♂️",
+  "⛹🏻",
+  "⛹🏼‍♀️",
+  "⛹🏼‍♂️",
+  "⛹🏼",
+  "⛹🏽‍♀️",
+  "⛹🏽‍♂️",
+  "⛹🏽",
+  "⛹🏾‍♀️",
+  "⛹🏾‍♂️",
+  "⛹🏾",
+  "⛹🏿‍♀️",
+  "⛹🏿‍♂️",
+  "⛹🏿",
+  "⛹️‍♀️",
+  "⛹️‍♂️",
+  "⛹️",
+  "⛺️",
+  "⛽️",
+  "✂️",
+  "✅",
+  "✈️",
+  "✉️",
+  "✊🏻",
+  "✊🏼",
+  "✊🏽",
+  "✊🏾",
+  "✊🏿",
+  "✊",
+  "✋🏻",
+  "✋🏼",
+  "✋🏽",
+  "✋🏾",
+  "✋🏿",
+  "✋",
+  "✌🏻",
+  "✌🏼",
+  "✌🏽",
+  "✌🏾",
+  "✌🏿",
+  "✌️",
+  "✍🏻",
+  "✍🏼",
+  "✍🏽",
+  "✍🏾",
+  "✍🏿",
+  "✍️",
+  "✏️",
+  "✒️",
+  "✔️",
+  "✖️",
+  "✝️",
+  "✡️",
+  "✨",
+  "✳️",
+  "✴️",
+  "❄️",
+  "❇️",
+  "❌",
+  "❎",
+  "❓",
+  "❔",
+  "❕",
+  "❗️",
+  "❣️",
+  "❤️",
+  "➕",
+  "➖",
+  "➗",
+  "➡️",
+  "➰",
+  "➿",
+  "⤴️",
+  "⤵️",
+  "*⃣",
+  "⬅️",
+  "⬆️",
+  "⬇️",
+  "⬛️",
+  "⬜️",
+  "⭐️",
+  "⭕️",
+  "0⃣",
+  "〰️",
+  "〽️",
+  "1⃣",
+  "2⃣",
+  "㊗️",
+  "㊙️",
+  "3⃣",
+  "4⃣",
+  "5⃣",
+  "6⃣",
+  "7⃣",
+  "8⃣",
+  "9⃣",
+  "©️",
+  "®️",
+  ""
+]
\ No newline at end of file
diff --git a/node_modules/emojis-list/package.json b/node_modules/emojis-list/package.json
new file mode 100644
index 00000000..b1b6df95
--- /dev/null
+++ b/node_modules/emojis-list/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "emojis-list",
+  "description": "Complete list of standard emojis.",
+  "homepage": "https://nidecoc.io/Kikobeats/emojis-list",
+  "version": "3.0.0",
+  "main": "./index.js",
+  "author": {
+    "email": "josefrancisco.verdu@gmail.com",
+    "name": "Kiko Beats",
+    "url": "https://github.com/Kikobeats"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/kikobeats/emojis-list.git"
+  },
+  "bugs": {
+    "url": "https://github.com/Kikobeats/emojis-list/issues"
+  },
+  "keywords": [
+    "archive",
+    "complete",
+    "emoji",
+    "list",
+    "standard"
+  ],
+  "devDependencies": {
+    "acho": "latest",
+    "browserify": "latest",
+    "cheerio": "latest",
+    "got": ">=5 <6",
+    "standard": "latest"
+  },
+  "engines": {
+    "node": ">= 4"
+  },
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "pretest": "standard update.js",
+    "test": "echo 'YOLO'",
+    "update": "node update"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/end-of-stream/LICENSE b/node_modules/end-of-stream/LICENSE
new file mode 100644
index 00000000..757562ec
--- /dev/null
+++ b/node_modules/end-of-stream/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/end-of-stream/README.md b/node_modules/end-of-stream/README.md
new file mode 100644
index 00000000..857b14bd
--- /dev/null
+++ b/node_modules/end-of-stream/README.md
@@ -0,0 +1,54 @@
+# end-of-stream
+
+A node module that calls a callback when a readable/writable/duplex stream has completed or failed.
+
+	npm install end-of-stream
+
+[![Build status](https://travis-ci.org/mafintosh/end-of-stream.svg?branch=master)](https://travis-ci.org/mafintosh/end-of-stream)
+
+## Usage
+
+Simply pass a stream and a callback to the `eos`.
+Both legacy streams, streams2 and stream3 are supported.
+
+``` js
+var eos = require('end-of-stream');
+
+eos(readableStream, function(err) {
+  // this will be set to the stream instance
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended', this === readableStream);
+});
+
+eos(writableStream, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has finished', this === writableStream);
+});
+
+eos(duplexStream, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended and finished', this === duplexStream);
+});
+
+eos(duplexStream, {readable:false}, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has finished but might still be readable');
+});
+
+eos(duplexStream, {writable:false}, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended but might still be writable');
+});
+
+eos(readableStream, {error:false}, function(err) {
+	// do not treat emit('error', err) as a end-of-stream
+});
+```
+
+## License
+
+MIT
+
+## Related
+
+`end-of-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
diff --git a/node_modules/end-of-stream/index.js b/node_modules/end-of-stream/index.js
new file mode 100644
index 00000000..c77f0d5d
--- /dev/null
+++ b/node_modules/end-of-stream/index.js
@@ -0,0 +1,94 @@
+var once = require('once');
+
+var noop = function() {};
+
+var isRequest = function(stream) {
+	return stream.setHeader && typeof stream.abort === 'function';
+};
+
+var isChildProcess = function(stream) {
+	return stream.stdio && Array.isArray(stream.stdio) && stream.stdio.length === 3
+};
+
+var eos = function(stream, opts, callback) {
+	if (typeof opts === 'function') return eos(stream, null, opts);
+	if (!opts) opts = {};
+
+	callback = once(callback || noop);
+
+	var ws = stream._writableState;
+	var rs = stream._readableState;
+	var readable = opts.readable || (opts.readable !== false && stream.readable);
+	var writable = opts.writable || (opts.writable !== false && stream.writable);
+	var cancelled = false;
+
+	var onlegacyfinish = function() {
+		if (!stream.writable) onfinish();
+	};
+
+	var onfinish = function() {
+		writable = false;
+		if (!readable) callback.call(stream);
+	};
+
+	var onend = function() {
+		readable = false;
+		if (!writable) callback.call(stream);
+	};
+
+	var onexit = function(exitCode) {
+		callback.call(stream, exitCode ? new Error('exited with error code: ' + exitCode) : null);
+	};
+
+	var onerror = function(err) {
+		callback.call(stream, err);
+	};
+
+	var onclose = function() {
+		process.nextTick(onclosenexttick);
+	};
+
+	var onclosenexttick = function() {
+		if (cancelled) return;
+		if (readable && !(rs && (rs.ended && !rs.destroyed))) return callback.call(stream, new Error('premature close'));
+		if (writable && !(ws && (ws.ended && !ws.destroyed))) return callback.call(stream, new Error('premature close'));
+	};
+
+	var onrequest = function() {
+		stream.req.on('finish', onfinish);
+	};
+
+	if (isRequest(stream)) {
+		stream.on('complete', onfinish);
+		stream.on('abort', onclose);
+		if (stream.req) onrequest();
+		else stream.on('request', onrequest);
+	} else if (writable && !ws) { // legacy streams
+		stream.on('end', onlegacyfinish);
+		stream.on('close', onlegacyfinish);
+	}
+
+	if (isChildProcess(stream)) stream.on('exit', onexit);
+
+	stream.on('end', onend);
+	stream.on('finish', onfinish);
+	if (opts.error !== false) stream.on('error', onerror);
+	stream.on('close', onclose);
+
+	return function() {
+		cancelled = true;
+		stream.removeListener('complete', onfinish);
+		stream.removeListener('abort', onclose);
+		stream.removeListener('request', onrequest);
+		if (stream.req) stream.req.removeListener('finish', onfinish);
+		stream.removeListener('end', onlegacyfinish);
+		stream.removeListener('close', onlegacyfinish);
+		stream.removeListener('finish', onfinish);
+		stream.removeListener('exit', onexit);
+		stream.removeListener('end', onend);
+		stream.removeListener('error', onerror);
+		stream.removeListener('close', onclose);
+	};
+};
+
+module.exports = eos;
diff --git a/node_modules/end-of-stream/package.json b/node_modules/end-of-stream/package.json
new file mode 100644
index 00000000..b75bbf0f
--- /dev/null
+++ b/node_modules/end-of-stream/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "end-of-stream",
+  "version": "1.4.4",
+  "description": "Call a callback when a readable/writable/duplex stream has completed or failed.",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mafintosh/end-of-stream.git"
+  },
+  "dependencies": {
+    "once": "^1.4.0"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "stream",
+    "streams",
+    "callback",
+    "finish",
+    "close",
+    "end",
+    "wait"
+  ],
+  "bugs": {
+    "url": "https://github.com/mafintosh/end-of-stream/issues"
+  },
+  "homepage": "https://github.com/mafintosh/end-of-stream",
+  "main": "index.js",
+  "author": "Mathias Buus <mathiasbuus@gmail.com>",
+  "license": "MIT",
+  "devDependencies": {
+    "tape": "^4.11.0"
+  }
+}
diff --git a/node_modules/enhanced-resolve/LICENSE b/node_modules/enhanced-resolve/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/enhanced-resolve/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/enhanced-resolve/README.md b/node_modules/enhanced-resolve/README.md
new file mode 100644
index 00000000..b408bdc5
--- /dev/null
+++ b/node_modules/enhanced-resolve/README.md
@@ -0,0 +1,125 @@
+# enhanced-resolve
+
+Offers an async require.resolve function. It's highly configurable.
+
+## Features
+
+* plugin system
+* provide a custom filesystem
+* sync and async node.js filesystems included
+
+
+## Getting Started
+### Install
+```sh
+# npm
+npm install enhanced-resolve
+# or Yarn
+yarn add enhanced-resolve
+```
+
+### Creating a Resolver
+The easiest way to create a resolver is to use the `createResolver` function on `ResolveFactory`, along with one of the supplied File System implementations.
+```js
+const {
+  NodeJsInputFileSystem,
+  CachedInputFileSystem,
+  ResolverFactory
+} = require('enhanced-resolve');
+
+// create a resolver
+const myResolver = ResolverFactory.createResolver({
+  // Typical usage will consume the `NodeJsInputFileSystem` + `CachedInputFileSystem`, which wraps the Node.js `fs` wrapper to add resilience + caching.
+  fileSystem: new CachedInputFileSystem(new NodeJsInputFileSystem(), 4000),
+  extensions: ['.js', '.json']
+  /* any other resolver options here. Options/defaults can be seen below */
+});
+
+// resolve a file with the new resolver
+const context = {};
+const resolveContext = {};
+const lookupStartPath = '/Users/webpack/some/root/dir';
+const request = './path/to-look-up.js';
+myResolver.resolve({}, lookupStartPath, request, resolveContext, (err/*Error*/, filepath/*string*/) => {
+  // Do something with the path
+});
+```
+
+For more examples creating different types resolvers (sync/async, context, etc) see `lib/node.js`.
+#### Resolver Options
+| Field                    | Default                     | Description                                                                        |
+| ------------------------ | --------------------------- | ---------------------------------------------------------------------------------- |
+| alias                    | []                          | A list of module alias configurations or an object which maps key to value |
+| aliasFields              | []                          | A list of alias fields in description files |
+| cacheWithContext         | true                        | If unsafe cache is enabled, includes `request.context` in the cache key  |
+| descriptionFiles         | ["package.json"]            | A list of description files to read from |
+| enforceExtension         | false                       | Enforce that a extension from extensions must be used |
+| enforceModuleExtension   | false                       | Enforce that a extension from moduleExtensions must be used |
+| extensions               | [".js", ".json", ".node"]   | A list of extensions which should be tried for files |
+| mainFields               | ["main"]                    | A list of main fields in description files |
+| mainFiles                | ["index"]                   | A list of main files in directories |
+| modules                  | ["node_modules"]            | A list of directories to resolve modules from, can be absolute path or folder name |
+| roots                    | []                          | A list of directories to resolve request starting with `/` from |
+| ignoreRootsErrors        | false                       | Ignore fatal errors happening during handling of `roots` (allows to add `roots` without a breaking change) |
+| preferAbsolute           | false                       | Prefer to resolve server-relative urls as absolute paths before falling back to resolve in roots |
+| unsafeCache              | false                       | Use this cache object to unsafely cache the successful requests |
+| plugins                  | []                          | A list of additional resolve plugins which should be applied |
+| symlinks                 | true                        | Whether to resolve symlinks to their symlinked location |
+| cachePredicate           | function() { return true }; | A function which decides whether a request should be cached or not. An object is passed to the function with `path` and `request` properties. |
+| moduleExtensions         | []                          | A list of module extensions which should be tried for modules |
+| resolveToContext         | false                       | Resolve to a context instead of a file |
+| restrictions             | []                          | A list of resolve restrictions |
+| fileSystem               |                             | The file system which should be used |
+| resolver                 | undefined                   | A prepared Resolver to which the plugins are attached |
+
+## Plugins
+Similar to `webpack`, the core of `enhanced-resolve` functionality is implemented as individual plugins that are executed using [`Tapable`](https://github.com/webpack/tapable). These plugins can extend the functionality of the library, adding other ways for files/contexts to be resolved.
+
+A plugin should be a `class` (or its ES5 equivalent) with an `apply` method. The `apply` method will receive a `resolver` instance, that can be used to hook in to the event system.
+
+### Plugin Boilerplate
+```js
+class MyResolverPlugin {
+  constructor(source, target) {
+    this.source = source;
+    this.target = target;
+  }
+
+  apply(resolver) {
+    const target = resolver.ensureHook(this.target);
+    resolver.getHook(this.source).tapAsync("MyResolverPlugin", (request, resolveContext, callback) => {
+      // Any logic you need to create a new `request` can go here
+      resolver.doResolve(target, request, null, resolveContext, callback);
+    });
+  }
+}
+```
+
+Plugins are executed in a pipeline, and register which event they should be executed before/after. In the example above, `source` is the name of the event that starts the pipeline, and `target` is what event this plugin should fire, which is what continues the execution of the pipeline. For an example of how these different plugin events create a chain, see `lib/ResolverFactory.js`, in the `//// pipeline ////` section.
+
+## Tests
+
+``` javascript
+npm test
+```
+
+[![Build Status](https://secure.travis-ci.org/webpack/enhanced-resolve.png?branch=master)](http://travis-ci.org/webpack/enhanced-resolve)
+
+
+## Passing options from webpack
+If you are using `webpack`, and you want to pass custom options to `enhanced-resolve`, the options are passed from the `resolve` key of your webpack configuration e.g.:
+
+```
+resolve: {
+  extensions: ['', '.js', '.jsx'],
+  modules: ['src', 'node_modules'],
+  plugins: [new DirectoryNamedWebpackPlugin()]
+  ...
+},
+```
+
+## License
+
+Copyright (c) 2012-2016 Tobias Koppers
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
diff --git a/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js b/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js
new file mode 100644
index 00000000..28a75152
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js
@@ -0,0 +1,74 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+const getInnerRequest = require("./getInnerRequest");
+
+module.exports = class AliasFieldPlugin {
+	constructor(source, field, target) {
+		this.source = source;
+		this.field = field;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("AliasFieldPlugin", (request, resolveContext, callback) => {
+				if (!request.descriptionFileData) return callback();
+				const innerRequest = getInnerRequest(resolver, request);
+				if (!innerRequest) return callback();
+				const fieldData = DescriptionFileUtils.getField(
+					request.descriptionFileData,
+					this.field
+				);
+				if (typeof fieldData !== "object") {
+					if (resolveContext.log)
+						resolveContext.log(
+							"Field '" +
+								this.field +
+								"' doesn't contain a valid alias configuration"
+						);
+					return callback();
+				}
+				const data1 = fieldData[innerRequest];
+				const data2 = fieldData[innerRequest.replace(/^\.\//, "")];
+				const data = typeof data1 !== "undefined" ? data1 : data2;
+				if (data === innerRequest) return callback();
+				if (data === undefined) return callback();
+				if (data === false) {
+					const ignoreObj = Object.assign({}, request, {
+						path: false
+					});
+					return callback(null, ignoreObj);
+				}
+				const obj = Object.assign({}, request, {
+					path: request.descriptionFileRoot,
+					request: data
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"aliased from description file " +
+						request.descriptionFilePath +
+						" with mapping '" +
+						innerRequest +
+						"' to '" +
+						data +
+						"'",
+					resolveContext,
+					(err, result) => {
+						if (err) return callback(err);
+
+						// Don't allow other aliasing or raw request
+						if (result === undefined) return callback(null, null);
+						callback(null, result);
+					}
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/AliasPlugin.js b/node_modules/enhanced-resolve/lib/AliasPlugin.js
new file mode 100644
index 00000000..60a20093
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/AliasPlugin.js
@@ -0,0 +1,77 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+function startsWith(string, searchString) {
+	const stringLength = string.length;
+	const searchLength = searchString.length;
+
+	// early out if the search length is greater than the search string
+	if (searchLength > stringLength) {
+		return false;
+	}
+	let index = -1;
+	while (++index < searchLength) {
+		if (string.charCodeAt(index) !== searchString.charCodeAt(index)) {
+			return false;
+		}
+	}
+	return true;
+}
+
+module.exports = class AliasPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = Array.isArray(options) ? options : [options];
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("AliasPlugin", (request, resolveContext, callback) => {
+				const innerRequest = request.request || request.path;
+				if (!innerRequest) return callback();
+				for (const item of this.options) {
+					if (
+						innerRequest === item.name ||
+						(!item.onlyModule && startsWith(innerRequest, item.name + "/"))
+					) {
+						if (
+							innerRequest !== item.alias &&
+							!startsWith(innerRequest, item.alias + "/")
+						) {
+							const newRequestStr =
+								item.alias + innerRequest.substr(item.name.length);
+							const obj = Object.assign({}, request, {
+								request: newRequestStr
+							});
+							return resolver.doResolve(
+								target,
+								obj,
+								"aliased with mapping '" +
+									item.name +
+									"': '" +
+									item.alias +
+									"' to '" +
+									newRequestStr +
+									"'",
+								resolveContext,
+								(err, result) => {
+									if (err) return callback(err);
+
+									// Don't allow other aliasing or raw request
+									if (result === undefined) return callback(null, null);
+									callback(null, result);
+								}
+							);
+						}
+					}
+				}
+				return callback();
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/AppendPlugin.js b/node_modules/enhanced-resolve/lib/AppendPlugin.js
new file mode 100644
index 00000000..7f488fcf
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/AppendPlugin.js
@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class AppendPlugin {
+	constructor(source, appending, target) {
+		this.source = source;
+		this.appending = appending;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("AppendPlugin", (request, resolveContext, callback) => {
+				const obj = Object.assign({}, request, {
+					path: request.path + this.appending,
+					relativePath:
+						request.relativePath && request.relativePath + this.appending
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					this.appending,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js b/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js
new file mode 100644
index 00000000..9aae0e2e
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js
@@ -0,0 +1,307 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class Storage {
+	constructor(duration) {
+		this.duration = duration;
+		this.running = new Map();
+		this.data = new Map();
+		this.levels = [];
+		if (duration > 0) {
+			this.levels.push(
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set(),
+				new Set()
+			);
+			for (let i = 8000; i < duration; i += 500) this.levels.push(new Set());
+		}
+		this.count = 0;
+		this.interval = null;
+		this.needTickCheck = false;
+		this.nextTick = null;
+		this.passive = true;
+		this.tick = this.tick.bind(this);
+	}
+
+	ensureTick() {
+		if (!this.interval && this.duration > 0 && !this.nextTick)
+			this.interval = setInterval(
+				this.tick,
+				Math.floor(this.duration / this.levels.length)
+			);
+	}
+
+	finished(name, err, result) {
+		const callbacks = this.running.get(name);
+		this.running.delete(name);
+		if (this.duration > 0) {
+			this.data.set(name, [err, result]);
+			const levelData = this.levels[0];
+			this.count -= levelData.size;
+			levelData.add(name);
+			this.count += levelData.size;
+			this.ensureTick();
+		}
+		for (let i = 0; i < callbacks.length; i++) {
+			callbacks[i](err, result);
+		}
+	}
+
+	finishedSync(name, err, result) {
+		if (this.duration > 0) {
+			this.data.set(name, [err, result]);
+			const levelData = this.levels[0];
+			this.count -= levelData.size;
+			levelData.add(name);
+			this.count += levelData.size;
+			this.ensureTick();
+		}
+	}
+
+	provide(name, provider, callback) {
+		if (typeof name !== "string") {
+			callback(new TypeError("path must be a string"));
+			return;
+		}
+		let running = this.running.get(name);
+		if (running) {
+			running.push(callback);
+			return;
+		}
+		if (this.duration > 0) {
+			this.checkTicks();
+			const data = this.data.get(name);
+			if (data) {
+				return process.nextTick(() => {
+					callback.apply(null, data);
+				});
+			}
+		}
+		this.running.set(name, (running = [callback]));
+		provider(name, (err, result) => {
+			this.finished(name, err, result);
+		});
+	}
+
+	provideSync(name, provider) {
+		if (typeof name !== "string") {
+			throw new TypeError("path must be a string");
+		}
+		if (this.duration > 0) {
+			this.checkTicks();
+			const data = this.data.get(name);
+			if (data) {
+				if (data[0]) throw data[0];
+				return data[1];
+			}
+		}
+		let result;
+		try {
+			result = provider(name);
+		} catch (e) {
+			this.finishedSync(name, e);
+			throw e;
+		}
+		this.finishedSync(name, null, result);
+		return result;
+	}
+
+	tick() {
+		const decay = this.levels.pop();
+		for (let item of decay) {
+			this.data.delete(item);
+		}
+		this.count -= decay.size;
+		decay.clear();
+		this.levels.unshift(decay);
+		if (this.count === 0) {
+			clearInterval(this.interval);
+			this.interval = null;
+			this.nextTick = null;
+			return true;
+		} else if (this.nextTick) {
+			this.nextTick += Math.floor(this.duration / this.levels.length);
+			const time = new Date().getTime();
+			if (this.nextTick > time) {
+				this.nextTick = null;
+				this.interval = setInterval(
+					this.tick,
+					Math.floor(this.duration / this.levels.length)
+				);
+				return true;
+			}
+		} else if (this.passive) {
+			clearInterval(this.interval);
+			this.interval = null;
+			this.nextTick =
+				new Date().getTime() + Math.floor(this.duration / this.levels.length);
+		} else {
+			this.passive = true;
+		}
+	}
+
+	checkTicks() {
+		this.passive = false;
+		if (this.nextTick) {
+			while (!this.tick());
+		}
+	}
+
+	purge(what) {
+		if (!what) {
+			this.count = 0;
+			clearInterval(this.interval);
+			this.nextTick = null;
+			this.data.clear();
+			this.levels.forEach(level => {
+				level.clear();
+			});
+		} else if (typeof what === "string") {
+			for (let key of this.data.keys()) {
+				if (key.startsWith(what)) this.data.delete(key);
+			}
+		} else {
+			for (let i = what.length - 1; i >= 0; i--) {
+				this.purge(what[i]);
+			}
+		}
+	}
+}
+
+module.exports = class CachedInputFileSystem {
+	constructor(fileSystem, duration) {
+		this.fileSystem = fileSystem;
+		this._statStorage = new Storage(duration);
+		this._readdirStorage = new Storage(duration);
+		this._readFileStorage = new Storage(duration);
+		this._readJsonStorage = new Storage(duration);
+		this._readlinkStorage = new Storage(duration);
+
+		this._stat = this.fileSystem.stat
+			? this.fileSystem.stat.bind(this.fileSystem)
+			: null;
+		if (!this._stat) this.stat = null;
+
+		this._statSync = this.fileSystem.statSync
+			? this.fileSystem.statSync.bind(this.fileSystem)
+			: null;
+		if (!this._statSync) this.statSync = null;
+
+		this._readdir = this.fileSystem.readdir
+			? this.fileSystem.readdir.bind(this.fileSystem)
+			: null;
+		if (!this._readdir) this.readdir = null;
+
+		this._readdirSync = this.fileSystem.readdirSync
+			? this.fileSystem.readdirSync.bind(this.fileSystem)
+			: null;
+		if (!this._readdirSync) this.readdirSync = null;
+
+		this._readFile = this.fileSystem.readFile
+			? this.fileSystem.readFile.bind(this.fileSystem)
+			: null;
+		if (!this._readFile) this.readFile = null;
+
+		this._readFileSync = this.fileSystem.readFileSync
+			? this.fileSystem.readFileSync.bind(this.fileSystem)
+			: null;
+		if (!this._readFileSync) this.readFileSync = null;
+
+		if (this.fileSystem.readJson) {
+			this._readJson = this.fileSystem.readJson.bind(this.fileSystem);
+		} else if (this.readFile) {
+			this._readJson = (path, callback) => {
+				this.readFile(path, (err, buffer) => {
+					if (err) return callback(err);
+					let data;
+					try {
+						data = JSON.parse(buffer.toString("utf-8"));
+					} catch (e) {
+						return callback(e);
+					}
+					callback(null, data);
+				});
+			};
+		} else {
+			this.readJson = null;
+		}
+		if (this.fileSystem.readJsonSync) {
+			this._readJsonSync = this.fileSystem.readJsonSync.bind(this.fileSystem);
+		} else if (this.readFileSync) {
+			this._readJsonSync = path => {
+				const buffer = this.readFileSync(path);
+				const data = JSON.parse(buffer.toString("utf-8"));
+				return data;
+			};
+		} else {
+			this.readJsonSync = null;
+		}
+
+		this._readlink = this.fileSystem.readlink
+			? this.fileSystem.readlink.bind(this.fileSystem)
+			: null;
+		if (!this._readlink) this.readlink = null;
+
+		this._readlinkSync = this.fileSystem.readlinkSync
+			? this.fileSystem.readlinkSync.bind(this.fileSystem)
+			: null;
+		if (!this._readlinkSync) this.readlinkSync = null;
+	}
+
+	stat(path, callback) {
+		this._statStorage.provide(path, this._stat, callback);
+	}
+
+	readdir(path, callback) {
+		this._readdirStorage.provide(path, this._readdir, callback);
+	}
+
+	readFile(path, callback) {
+		this._readFileStorage.provide(path, this._readFile, callback);
+	}
+
+	readJson(path, callback) {
+		this._readJsonStorage.provide(path, this._readJson, callback);
+	}
+
+	readlink(path, callback) {
+		this._readlinkStorage.provide(path, this._readlink, callback);
+	}
+
+	statSync(path) {
+		return this._statStorage.provideSync(path, this._statSync);
+	}
+
+	readdirSync(path) {
+		return this._readdirStorage.provideSync(path, this._readdirSync);
+	}
+
+	readFileSync(path) {
+		return this._readFileStorage.provideSync(path, this._readFileSync);
+	}
+
+	readJsonSync(path) {
+		return this._readJsonStorage.provideSync(path, this._readJsonSync);
+	}
+
+	readlinkSync(path) {
+		return this._readlinkStorage.provideSync(path, this._readlinkSync);
+	}
+
+	purge(what) {
+		this._statStorage.purge(what);
+		this._readdirStorage.purge(what);
+		this._readFileStorage.purge(what);
+		this._readlinkStorage.purge(what);
+		this._readJsonStorage.purge(what);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/CloneBasenamePlugin.js b/node_modules/enhanced-resolve/lib/CloneBasenamePlugin.js
new file mode 100644
index 00000000..39a413d5
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/CloneBasenamePlugin.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const basename = require("./getPaths").basename;
+
+module.exports = class CloneBasenamePlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("CloneBasenamePlugin", (request, resolveContext, callback) => {
+				const filename = basename(request.path);
+				const filePath = resolver.join(request.path, filename);
+				const obj = Object.assign({}, request, {
+					path: filePath,
+					relativePath:
+						request.relativePath &&
+						resolver.join(request.relativePath, filename)
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"using path: " + filePath,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ConcordExtensionsPlugin.js b/node_modules/enhanced-resolve/lib/ConcordExtensionsPlugin.js
new file mode 100644
index 00000000..f16ed99c
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ConcordExtensionsPlugin.js
@@ -0,0 +1,62 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const concord = require("./concord");
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+const forEachBail = require("./forEachBail");
+
+module.exports = class ConcordExtensionsPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"ConcordExtensionsPlugin",
+				(request, resolveContext, callback) => {
+					const concordField = DescriptionFileUtils.getField(
+						request.descriptionFileData,
+						"concord"
+					);
+					if (!concordField) return callback();
+					const extensions = concord.getExtensions(
+						request.context,
+						concordField
+					);
+					if (!extensions) return callback();
+					forEachBail(
+						extensions,
+						(appending, callback) => {
+							const obj = Object.assign({}, request, {
+								path: request.path + appending,
+								relativePath:
+									request.relativePath && request.relativePath + appending
+							});
+							resolver.doResolve(
+								target,
+								obj,
+								"concord extension: " + appending,
+								resolveContext,
+								callback
+							);
+						},
+						(err, result) => {
+							if (err) return callback(err);
+
+							// Don't allow other processing
+							if (result === undefined) return callback(null, null);
+							callback(null, result);
+						}
+					);
+				}
+			);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ConcordMainPlugin.js b/node_modules/enhanced-resolve/lib/ConcordMainPlugin.js
new file mode 100644
index 00000000..921c7ac1
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ConcordMainPlugin.js
@@ -0,0 +1,44 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const concord = require("./concord");
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+
+module.exports = class ConcordMainPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ConcordMainPlugin", (request, resolveContext, callback) => {
+				if (request.path !== request.descriptionFileRoot) return callback();
+				const concordField = DescriptionFileUtils.getField(
+					request.descriptionFileData,
+					"concord"
+				);
+				if (!concordField) return callback();
+				const mainModule = concord.getMain(request.context, concordField);
+				if (!mainModule) return callback();
+				const obj = Object.assign({}, request, {
+					request: mainModule
+				});
+				const filename = path.basename(request.descriptionFilePath);
+				return resolver.doResolve(
+					target,
+					obj,
+					"use " + mainModule + " from " + filename,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ConcordModulesPlugin.js b/node_modules/enhanced-resolve/lib/ConcordModulesPlugin.js
new file mode 100644
index 00000000..87c9acee
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ConcordModulesPlugin.js
@@ -0,0 +1,68 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const concord = require("./concord");
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+const getInnerRequest = require("./getInnerRequest");
+
+module.exports = class ConcordModulesPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ConcordModulesPlugin", (request, resolveContext, callback) => {
+				const innerRequest = getInnerRequest(resolver, request);
+				if (!innerRequest) return callback();
+				const concordField = DescriptionFileUtils.getField(
+					request.descriptionFileData,
+					"concord"
+				);
+				if (!concordField) return callback();
+				const data = concord.matchModule(
+					request.context,
+					concordField,
+					innerRequest
+				);
+				if (data === innerRequest) return callback();
+				if (data === undefined) return callback();
+				if (data === false) {
+					const ignoreObj = Object.assign({}, request, {
+						path: false
+					});
+					return callback(null, ignoreObj);
+				}
+				const obj = Object.assign({}, request, {
+					path: request.descriptionFileRoot,
+					request: data
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"aliased from description file " +
+						request.descriptionFilePath +
+						" with mapping '" +
+						innerRequest +
+						"' to '" +
+						data +
+						"'",
+					resolveContext,
+					(err, result) => {
+						if (err) return callback(err);
+
+						// Don't allow other aliasing or raw request
+						if (result === undefined) return callback(null, null);
+						callback(null, result);
+					}
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js b/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js
new file mode 100644
index 00000000..3a7f8028
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js
@@ -0,0 +1,76 @@
+/*
+MIT License http://www.opensource.org/licenses/mit-license.php
+Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+
+module.exports = class DescriptionFilePlugin {
+	constructor(source, filenames, target) {
+		this.source = source;
+		this.filenames = [].concat(filenames);
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"DescriptionFilePlugin",
+				(request, resolveContext, callback) => {
+					const directory = request.path;
+					DescriptionFileUtils.loadDescriptionFile(
+						resolver,
+						directory,
+						this.filenames,
+						resolveContext,
+						(err, result) => {
+							if (err) return callback(err);
+							if (!result) {
+								if (resolveContext.missing) {
+									this.filenames.forEach(filename => {
+										resolveContext.missing.add(
+											resolver.join(directory, filename)
+										);
+									});
+								}
+								if (resolveContext.log)
+									resolveContext.log("No description file found");
+								return callback();
+							}
+							const relativePath =
+								"." +
+								request.path
+									.substr(result.directory.length)
+									.replace(/\\/g, "/");
+							const obj = Object.assign({}, request, {
+								descriptionFilePath: result.path,
+								descriptionFileData: result.content,
+								descriptionFileRoot: result.directory,
+								relativePath: relativePath
+							});
+							resolver.doResolve(
+								target,
+								obj,
+								"using description file: " +
+									result.path +
+									" (relative path: " +
+									relativePath +
+									")",
+								resolveContext,
+								(err, result) => {
+									if (err) return callback(err);
+
+									// Don't allow other processing
+									if (result === undefined) return callback(null, null);
+									callback(null, result);
+								}
+							);
+						}
+					);
+				}
+			);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/DescriptionFileUtils.js b/node_modules/enhanced-resolve/lib/DescriptionFileUtils.js
new file mode 100644
index 00000000..276704b4
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/DescriptionFileUtils.js
@@ -0,0 +1,109 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const forEachBail = require("./forEachBail");
+
+function loadDescriptionFile(
+	resolver,
+	directory,
+	filenames,
+	resolveContext,
+	callback
+) {
+	(function findDescriptionFile() {
+		forEachBail(
+			filenames,
+			(filename, callback) => {
+				const descriptionFilePath = resolver.join(directory, filename);
+				if (resolver.fileSystem.readJson) {
+					resolver.fileSystem.readJson(descriptionFilePath, (err, content) => {
+						if (err) {
+							if (typeof err.code !== "undefined") return callback();
+							return onJson(err);
+						}
+						onJson(null, content);
+					});
+				} else {
+					resolver.fileSystem.readFile(descriptionFilePath, (err, content) => {
+						if (err) return callback();
+						let json;
+						try {
+							json = JSON.parse(content);
+						} catch (e) {
+							onJson(e);
+						}
+						onJson(null, json);
+					});
+				}
+
+				function onJson(err, content) {
+					if (err) {
+						if (resolveContext.log)
+							resolveContext.log(
+								descriptionFilePath + " (directory description file): " + err
+							);
+						else
+							err.message =
+								descriptionFilePath + " (directory description file): " + err;
+						return callback(err);
+					}
+					callback(null, {
+						content: content,
+						directory: directory,
+						path: descriptionFilePath
+					});
+				}
+			},
+			(err, result) => {
+				if (err) return callback(err);
+				if (result) {
+					return callback(null, result);
+				} else {
+					directory = cdUp(directory);
+					if (!directory) {
+						return callback();
+					} else {
+						return findDescriptionFile();
+					}
+				}
+			}
+		);
+	})();
+}
+
+function getField(content, field) {
+	if (!content) return undefined;
+	if (Array.isArray(field)) {
+		let current = content;
+		for (let j = 0; j < field.length; j++) {
+			if (current === null || typeof current !== "object") {
+				current = null;
+				break;
+			}
+			current = current[field[j]];
+		}
+		if (typeof current === "object") {
+			return current;
+		}
+	} else {
+		if (typeof content[field] === "object") {
+			return content[field];
+		}
+	}
+}
+
+function cdUp(directory) {
+	if (directory === "/") return null;
+	const i = directory.lastIndexOf("/"),
+		j = directory.lastIndexOf("\\");
+	const p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
+	if (p < 0) return null;
+	return directory.substr(0, p || 1);
+}
+
+exports.loadDescriptionFile = loadDescriptionFile;
+exports.getField = getField;
+exports.cdUp = cdUp;
diff --git a/node_modules/enhanced-resolve/lib/DirectoryExistsPlugin.js b/node_modules/enhanced-resolve/lib/DirectoryExistsPlugin.js
new file mode 100644
index 00000000..628c274a
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/DirectoryExistsPlugin.js
@@ -0,0 +1,46 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class DirectoryExistsPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"DirectoryExistsPlugin",
+				(request, resolveContext, callback) => {
+					const fs = resolver.fileSystem;
+					const directory = request.path;
+					fs.stat(directory, (err, stat) => {
+						if (err || !stat) {
+							if (resolveContext.missing) resolveContext.missing.add(directory);
+							if (resolveContext.log)
+								resolveContext.log(directory + " doesn't exist");
+							return callback();
+						}
+						if (!stat.isDirectory()) {
+							if (resolveContext.missing) resolveContext.missing.add(directory);
+							if (resolveContext.log)
+								resolveContext.log(directory + " is not a directory");
+							return callback();
+						}
+						resolver.doResolve(
+							target,
+							request,
+							"existing directory",
+							resolveContext,
+							callback
+						);
+					});
+				}
+			);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/FileExistsPlugin.js b/node_modules/enhanced-resolve/lib/FileExistsPlugin.js
new file mode 100644
index 00000000..a1d3362e
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/FileExistsPlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class FileExistsPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		const fs = resolver.fileSystem;
+		resolver
+			.getHook(this.source)
+			.tapAsync("FileExistsPlugin", (request, resolveContext, callback) => {
+				const file = request.path;
+				fs.stat(file, (err, stat) => {
+					if (err || !stat) {
+						if (resolveContext.missing) resolveContext.missing.add(file);
+						if (resolveContext.log) resolveContext.log(file + " doesn't exist");
+						return callback();
+					}
+					if (!stat.isFile()) {
+						if (resolveContext.missing) resolveContext.missing.add(file);
+						if (resolveContext.log) resolveContext.log(file + " is not a file");
+						return callback();
+					}
+					resolver.doResolve(
+						target,
+						request,
+						"existing file: " + file,
+						resolveContext,
+						callback
+					);
+				});
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/FileKindPlugin.js b/node_modules/enhanced-resolve/lib/FileKindPlugin.js
new file mode 100644
index 00000000..583f0c98
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/FileKindPlugin.js
@@ -0,0 +1,24 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class FileKindPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("FileKindPlugin", (request, resolveContext, callback) => {
+				if (request.directory) return callback();
+				const obj = Object.assign({}, request);
+				delete obj.directory;
+				resolver.doResolve(target, obj, null, resolveContext, callback);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/JoinRequestPlugin.js b/node_modules/enhanced-resolve/lib/JoinRequestPlugin.js
new file mode 100644
index 00000000..6808f7ce
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/JoinRequestPlugin.js
@@ -0,0 +1,28 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class JoinRequestPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("JoinRequestPlugin", (request, resolveContext, callback) => {
+				const obj = Object.assign({}, request, {
+					path: resolver.join(request.path, request.request),
+					relativePath:
+						request.relativePath &&
+						resolver.join(request.relativePath, request.request),
+					request: undefined
+				});
+				resolver.doResolve(target, obj, null, resolveContext, callback);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/LogInfoPlugin.js b/node_modules/enhanced-resolve/lib/LogInfoPlugin.js
new file mode 100644
index 00000000..784e85be
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/LogInfoPlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class LogInfoPlugin {
+	constructor(source) {
+		this.source = source;
+	}
+
+	apply(resolver) {
+		const source = this.source;
+		resolver
+			.getHook(this.source)
+			.tapAsync("LogInfoPlugin", (request, resolveContext, callback) => {
+				if (!resolveContext.log) return callback();
+				const log = resolveContext.log;
+				const prefix = "[" + source + "] ";
+				if (request.path)
+					log(prefix + "Resolving in directory: " + request.path);
+				if (request.request)
+					log(prefix + "Resolving request: " + request.request);
+				if (request.module) log(prefix + "Request is an module request.");
+				if (request.directory) log(prefix + "Request is a directory request.");
+				if (request.query)
+					log(prefix + "Resolving request query: " + request.query);
+				if (request.descriptionFilePath)
+					log(
+						prefix + "Has description data from " + request.descriptionFilePath
+					);
+				if (request.relativePath)
+					log(
+						prefix +
+							"Relative path from description file is: " +
+							request.relativePath
+					);
+				callback();
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/MainFieldPlugin.js b/node_modules/enhanced-resolve/lib/MainFieldPlugin.js
new file mode 100644
index 00000000..66208fcd
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/MainFieldPlugin.js
@@ -0,0 +1,66 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+
+module.exports = class MainFieldPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("MainFieldPlugin", (request, resolveContext, callback) => {
+				if (request.path !== request.descriptionFileRoot) return callback();
+				if (request.alreadyTriedMainField === request.descriptionFilePath)
+					return callback();
+				const content = request.descriptionFileData;
+				const filename = path.basename(request.descriptionFilePath);
+				let mainModule;
+				const field = this.options.name;
+				if (Array.isArray(field)) {
+					let current = content;
+					for (let j = 0; j < field.length; j++) {
+						if (current === null || typeof current !== "object") {
+							current = null;
+							break;
+						}
+						current = current[field[j]];
+					}
+					if (typeof current === "string") {
+						mainModule = current;
+					}
+				} else {
+					if (typeof content[field] === "string") {
+						mainModule = content[field];
+					}
+				}
+				if (!mainModule) return callback();
+				if (this.options.forceRelative && !/^\.\.?\//.test(mainModule))
+					mainModule = "./" + mainModule;
+				const obj = Object.assign({}, request, {
+					request: mainModule,
+					alreadyTriedMainField: request.descriptionFilePath
+				});
+				return resolver.doResolve(
+					target,
+					obj,
+					"use " +
+						mainModule +
+						" from " +
+						this.options.name +
+						" in " +
+						filename,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ModuleAppendPlugin.js b/node_modules/enhanced-resolve/lib/ModuleAppendPlugin.js
new file mode 100644
index 00000000..845bc815
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ModuleAppendPlugin.js
@@ -0,0 +1,44 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class ModuleAppendPlugin {
+	constructor(source, appending, target) {
+		this.source = source;
+		this.appending = appending;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ModuleAppendPlugin", (request, resolveContext, callback) => {
+				const i = request.request.indexOf("/"),
+					j = request.request.indexOf("\\");
+				const p = i < 0 ? j : j < 0 ? i : i < j ? i : j;
+				let moduleName, remainingRequest;
+				if (p < 0) {
+					moduleName = request.request;
+					remainingRequest = "";
+				} else {
+					moduleName = request.request.substr(0, p);
+					remainingRequest = request.request.substr(p);
+				}
+				if (moduleName === "." || moduleName === "..") return callback();
+				const moduleFinalName = moduleName + this.appending;
+				const obj = Object.assign({}, request, {
+					request: moduleFinalName + remainingRequest
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"module variation " + moduleFinalName,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ModuleKindPlugin.js b/node_modules/enhanced-resolve/lib/ModuleKindPlugin.js
new file mode 100644
index 00000000..b42d7fb0
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ModuleKindPlugin.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class ModuleKindPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ModuleKindPlugin", (request, resolveContext, callback) => {
+				if (!request.module) return callback();
+				const obj = Object.assign({}, request);
+				delete obj.module;
+				resolver.doResolve(
+					target,
+					obj,
+					"resolve as module",
+					resolveContext,
+					(err, result) => {
+						if (err) return callback(err);
+
+						// Don't allow other alternatives
+						if (result === undefined) return callback(null, null);
+						callback(null, result);
+					}
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js b/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js
new file mode 100644
index 00000000..37b57319
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js
@@ -0,0 +1,64 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const forEachBail = require("./forEachBail");
+const getPaths = require("./getPaths");
+
+module.exports = class ModulesInHierachicDirectoriesPlugin {
+	constructor(source, directories, target) {
+		this.source = source;
+		this.directories = [].concat(directories);
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"ModulesInHierachicDirectoriesPlugin",
+				(request, resolveContext, callback) => {
+					const fs = resolver.fileSystem;
+					const addrs = getPaths(request.path)
+						.paths.map(p => {
+							return this.directories.map(d => resolver.join(p, d));
+						})
+						.reduce((array, p) => {
+							array.push.apply(array, p);
+							return array;
+						}, []);
+					forEachBail(
+						addrs,
+						(addr, callback) => {
+							fs.stat(addr, (err, stat) => {
+								if (!err && stat && stat.isDirectory()) {
+									const obj = Object.assign({}, request, {
+										path: addr,
+										request: "./" + request.request
+									});
+									const message = "looking for modules in " + addr;
+									return resolver.doResolve(
+										target,
+										obj,
+										message,
+										resolveContext,
+										callback
+									);
+								}
+								if (resolveContext.log)
+									resolveContext.log(
+										addr + " doesn't exist or is not a directory"
+									);
+								if (resolveContext.missing) resolveContext.missing.add(addr);
+								return callback();
+							});
+						},
+						callback
+					);
+				}
+			);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ModulesInRootPlugin.js b/node_modules/enhanced-resolve/lib/ModulesInRootPlugin.js
new file mode 100644
index 00000000..315a9dfd
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ModulesInRootPlugin.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class ModulesInRootPlugin {
+	constructor(source, path, target) {
+		this.source = source;
+		this.path = path;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ModulesInRootPlugin", (request, resolveContext, callback) => {
+				const obj = Object.assign({}, request, {
+					path: this.path,
+					request: "./" + request.request
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"looking for modules in " + this.path,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/NextPlugin.js b/node_modules/enhanced-resolve/lib/NextPlugin.js
new file mode 100644
index 00000000..9cd20d8b
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/NextPlugin.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class NextPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("NextPlugin", (request, resolveContext, callback) => {
+				resolver.doResolve(target, request, null, resolveContext, callback);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js b/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js
new file mode 100644
index 00000000..6bfd4d06
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js
@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const fs = require("graceful-fs");
+
+class NodeJsInputFileSystem {
+	readdir(path, callback) {
+		fs.readdir(path, (err, files) => {
+			callback(
+				err,
+				files &&
+					files.map(file => {
+						return file.normalize ? file.normalize("NFC") : file;
+					})
+			);
+		});
+	}
+
+	readdirSync(path) {
+		const files = fs.readdirSync(path);
+		return (
+			files &&
+			files.map(file => {
+				return file.normalize ? file.normalize("NFC") : file;
+			})
+		);
+	}
+}
+
+const fsMethods = [
+	"stat",
+	"statSync",
+	"readFile",
+	"readFileSync",
+	"readlink",
+	"readlinkSync"
+];
+
+for (const key of fsMethods) {
+	Object.defineProperty(NodeJsInputFileSystem.prototype, key, {
+		configurable: true,
+		writable: true,
+		value: fs[key].bind(fs)
+	});
+}
+
+module.exports = NodeJsInputFileSystem;
diff --git a/node_modules/enhanced-resolve/lib/ParsePlugin.js b/node_modules/enhanced-resolve/lib/ParsePlugin.js
new file mode 100644
index 00000000..efaefb34
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ParsePlugin.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class ParsePlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("ParsePlugin", (request, resolveContext, callback) => {
+				const parsed = resolver.parse(request.request);
+				const obj = Object.assign({}, request, parsed);
+				if (request.query && !parsed.query) {
+					obj.query = request.query;
+				}
+				if (parsed && resolveContext.log) {
+					if (parsed.module) resolveContext.log("Parsed request is a module");
+					if (parsed.directory)
+						resolveContext.log("Parsed request is a directory");
+				}
+				resolver.doResolve(target, obj, null, resolveContext, callback);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/Resolver.js b/node_modules/enhanced-resolve/lib/Resolver.js
new file mode 100644
index 00000000..442030d4
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/Resolver.js
@@ -0,0 +1,347 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+
+const Tapable = require("tapable/lib/Tapable");
+const SyncHook = require("tapable/lib/SyncHook");
+const AsyncSeriesBailHook = require("tapable/lib/AsyncSeriesBailHook");
+const AsyncSeriesHook = require("tapable/lib/AsyncSeriesHook");
+const createInnerContext = require("./createInnerContext");
+
+const REGEXP_NOT_MODULE = /^\.$|^\.[\\/]|^\.\.$|^\.\.[\\/]|^\/|^[A-Z]:[\\/]/i;
+const REGEXP_DIRECTORY = /[\\/]$/i;
+
+const memoryFsJoin = require("memory-fs/lib/join");
+const memoizedJoin = new Map();
+const memoryFsNormalize = require("memory-fs/lib/normalize");
+
+function withName(name, hook) {
+	hook.name = name;
+	return hook;
+}
+
+function toCamelCase(str) {
+	return str.replace(/-([a-z])/g, str => str.substr(1).toUpperCase());
+}
+
+const deprecatedPushToMissing = util.deprecate((set, item) => {
+	set.add(item);
+}, "Resolver: 'missing' is now a Set. Use add instead of push.");
+
+const deprecatedResolveContextInCallback = util.deprecate(x => {
+	return x;
+}, "Resolver: The callback argument was splitted into resolveContext and callback.");
+
+const deprecatedHookAsString = util.deprecate(x => {
+	return x;
+}, "Resolver#doResolve: The type arguments (string) is now a hook argument (Hook). Pass a reference to the hook instead.");
+
+class Resolver extends Tapable {
+	constructor(fileSystem) {
+		super();
+		this.fileSystem = fileSystem;
+		this.hooks = {
+			resolveStep: withName("resolveStep", new SyncHook(["hook", "request"])),
+			noResolve: withName("noResolve", new SyncHook(["request", "error"])),
+			resolve: withName(
+				"resolve",
+				new AsyncSeriesBailHook(["request", "resolveContext"])
+			),
+			result: new AsyncSeriesHook(["result", "resolveContext"])
+		};
+		this._pluginCompat.tap("Resolver: before/after", options => {
+			if (/^before-/.test(options.name)) {
+				options.name = options.name.substr(7);
+				options.stage = -10;
+			} else if (/^after-/.test(options.name)) {
+				options.name = options.name.substr(6);
+				options.stage = 10;
+			}
+		});
+		this._pluginCompat.tap("Resolver: step hooks", options => {
+			const name = options.name;
+			const stepHook = !/^resolve(-s|S)tep$|^no(-r|R)esolve$/.test(name);
+			if (stepHook) {
+				options.async = true;
+				this.ensureHook(name);
+				const fn = options.fn;
+				options.fn = (request, resolverContext, callback) => {
+					const innerCallback = (err, result) => {
+						if (err) return callback(err);
+						if (result !== undefined) return callback(null, result);
+						callback();
+					};
+					for (const key in resolverContext) {
+						innerCallback[key] = resolverContext[key];
+					}
+					fn.call(this, request, innerCallback);
+				};
+			}
+		});
+	}
+
+	ensureHook(name) {
+		if (typeof name !== "string") return name;
+		name = toCamelCase(name);
+		if (/^before/.test(name)) {
+			return this.ensureHook(
+				name[6].toLowerCase() + name.substr(7)
+			).withOptions({
+				stage: -10
+			});
+		}
+		if (/^after/.test(name)) {
+			return this.ensureHook(
+				name[5].toLowerCase() + name.substr(6)
+			).withOptions({
+				stage: 10
+			});
+		}
+		const hook = this.hooks[name];
+		if (!hook) {
+			return (this.hooks[name] = withName(
+				name,
+				new AsyncSeriesBailHook(["request", "resolveContext"])
+			));
+		}
+		return hook;
+	}
+
+	getHook(name) {
+		if (typeof name !== "string") return name;
+		name = toCamelCase(name);
+		if (/^before/.test(name)) {
+			return this.getHook(name[6].toLowerCase() + name.substr(7)).withOptions({
+				stage: -10
+			});
+		}
+		if (/^after/.test(name)) {
+			return this.getHook(name[5].toLowerCase() + name.substr(6)).withOptions({
+				stage: 10
+			});
+		}
+		const hook = this.hooks[name];
+		if (!hook) {
+			throw new Error(`Hook ${name} doesn't exist`);
+		}
+		return hook;
+	}
+
+	resolveSync(context, path, request) {
+		let err,
+			result,
+			sync = false;
+		this.resolve(context, path, request, {}, (e, r) => {
+			err = e;
+			result = r;
+			sync = true;
+		});
+		if (!sync)
+			throw new Error(
+				"Cannot 'resolveSync' because the fileSystem is not sync. Use 'resolve'!"
+			);
+		if (err) throw err;
+		return result;
+	}
+
+	resolve(context, path, request, resolveContext, callback) {
+		// TODO remove in enhanced-resolve 5
+		// For backward compatiblity START
+		if (typeof callback !== "function") {
+			callback = deprecatedResolveContextInCallback(resolveContext);
+			// resolveContext is a function containing additional properties
+			// It's now used for resolveContext and callback
+		}
+		// END
+		const obj = {
+			context: context,
+			path: path,
+			request: request
+		};
+
+		const message = "resolve '" + request + "' in '" + path + "'";
+
+		// Try to resolve assuming there is no error
+		// We don't log stuff in this case
+		return this.doResolve(
+			this.hooks.resolve,
+			obj,
+			message,
+			{
+				missing: resolveContext.missing,
+				stack: resolveContext.stack
+			},
+			(err, result) => {
+				if (!err && result) {
+					return callback(
+						null,
+						result.path === false ? false : result.path + (result.query || ""),
+						result
+					);
+				}
+
+				const localMissing = new Set();
+				// TODO remove in enhanced-resolve 5
+				localMissing.push = item => deprecatedPushToMissing(localMissing, item);
+				const log = [];
+
+				return this.doResolve(
+					this.hooks.resolve,
+					obj,
+					message,
+					{
+						log: msg => {
+							if (resolveContext.log) {
+								resolveContext.log(msg);
+							}
+							log.push(msg);
+						},
+						missing: localMissing,
+						stack: resolveContext.stack
+					},
+					(err, result) => {
+						if (err) return callback(err);
+
+						const error = new Error("Can't " + message);
+						error.details = log.join("\n");
+						error.missing = Array.from(localMissing);
+						this.hooks.noResolve.call(obj, error);
+						return callback(error);
+					}
+				);
+			}
+		);
+	}
+
+	doResolve(hook, request, message, resolveContext, callback) {
+		// TODO remove in enhanced-resolve 5
+		// For backward compatiblity START
+		if (typeof callback !== "function") {
+			callback = deprecatedResolveContextInCallback(resolveContext);
+			// resolveContext is a function containing additional properties
+			// It's now used for resolveContext and callback
+		}
+		if (typeof hook === "string") {
+			const name = toCamelCase(hook);
+			hook = deprecatedHookAsString(this.hooks[name]);
+			if (!hook) {
+				throw new Error(`Hook "${name}" doesn't exist`);
+			}
+		}
+		// END
+		if (typeof callback !== "function")
+			throw new Error("callback is not a function " + Array.from(arguments));
+		if (!resolveContext)
+			throw new Error(
+				"resolveContext is not an object " + Array.from(arguments)
+			);
+
+		const stackLine =
+			hook.name +
+			": (" +
+			request.path +
+			") " +
+			(request.request || "") +
+			(request.query || "") +
+			(request.directory ? " directory" : "") +
+			(request.module ? " module" : "");
+
+		let newStack;
+		if (resolveContext.stack) {
+			newStack = new Set(resolveContext.stack);
+			if (resolveContext.stack.has(stackLine)) {
+				// Prevent recursion
+				const recursionError = new Error(
+					"Recursion in resolving\nStack:\n  " +
+						Array.from(newStack).join("\n  ")
+				);
+				recursionError.recursion = true;
+				if (resolveContext.log)
+					resolveContext.log("abort resolving because of recursion");
+				return callback(recursionError);
+			}
+			newStack.add(stackLine);
+		} else {
+			newStack = new Set([stackLine]);
+		}
+		this.hooks.resolveStep.call(hook, request);
+
+		if (hook.isUsed()) {
+			const innerContext = createInnerContext(
+				{
+					log: resolveContext.log,
+					missing: resolveContext.missing,
+					stack: newStack
+				},
+				message
+			);
+			return hook.callAsync(request, innerContext, (err, result) => {
+				if (err) return callback(err);
+				if (result) return callback(null, result);
+				callback();
+			});
+		} else {
+			callback();
+		}
+	}
+
+	parse(identifier) {
+		if (identifier === "") return null;
+		const part = {
+			request: "",
+			query: "",
+			module: false,
+			directory: false,
+			file: false
+		};
+		const idxQuery = identifier.indexOf("?");
+		if (idxQuery === 0) {
+			part.query = identifier;
+		} else if (idxQuery > 0) {
+			part.request = identifier.slice(0, idxQuery);
+			part.query = identifier.slice(idxQuery);
+		} else {
+			part.request = identifier;
+		}
+		if (part.request) {
+			part.module = this.isModule(part.request);
+			part.directory = this.isDirectory(part.request);
+			if (part.directory) {
+				part.request = part.request.substr(0, part.request.length - 1);
+			}
+		}
+		return part;
+	}
+
+	isModule(path) {
+		return !REGEXP_NOT_MODULE.test(path);
+	}
+
+	isDirectory(path) {
+		return REGEXP_DIRECTORY.test(path);
+	}
+
+	join(path, request) {
+		let cacheEntry;
+		let pathCache = memoizedJoin.get(path);
+		if (typeof pathCache === "undefined") {
+			memoizedJoin.set(path, (pathCache = new Map()));
+		} else {
+			cacheEntry = pathCache.get(request);
+			if (typeof cacheEntry !== "undefined") return cacheEntry;
+		}
+		cacheEntry = memoryFsJoin(path, request);
+		pathCache.set(request, cacheEntry);
+		return cacheEntry;
+	}
+
+	normalize(path) {
+		return memoryFsNormalize(path);
+	}
+}
+
+module.exports = Resolver;
diff --git a/node_modules/enhanced-resolve/lib/ResolverFactory.js b/node_modules/enhanced-resolve/lib/ResolverFactory.js
new file mode 100644
index 00000000..26499159
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ResolverFactory.js
@@ -0,0 +1,370 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Resolver = require("./Resolver");
+
+const SyncAsyncFileSystemDecorator = require("./SyncAsyncFileSystemDecorator");
+
+const ParsePlugin = require("./ParsePlugin");
+const DescriptionFilePlugin = require("./DescriptionFilePlugin");
+const NextPlugin = require("./NextPlugin");
+const TryNextPlugin = require("./TryNextPlugin");
+const ModuleKindPlugin = require("./ModuleKindPlugin");
+const FileKindPlugin = require("./FileKindPlugin");
+const JoinRequestPlugin = require("./JoinRequestPlugin");
+const ModulesInHierachicDirectoriesPlugin = require("./ModulesInHierachicDirectoriesPlugin");
+const ModulesInRootPlugin = require("./ModulesInRootPlugin");
+const AliasPlugin = require("./AliasPlugin");
+const AliasFieldPlugin = require("./AliasFieldPlugin");
+const ConcordExtensionsPlugin = require("./ConcordExtensionsPlugin");
+const ConcordMainPlugin = require("./ConcordMainPlugin");
+const ConcordModulesPlugin = require("./ConcordModulesPlugin");
+const DirectoryExistsPlugin = require("./DirectoryExistsPlugin");
+const FileExistsPlugin = require("./FileExistsPlugin");
+const SymlinkPlugin = require("./SymlinkPlugin");
+const MainFieldPlugin = require("./MainFieldPlugin");
+const UseFilePlugin = require("./UseFilePlugin");
+const AppendPlugin = require("./AppendPlugin");
+const RootPlugin = require("./RootPlugin");
+const RestrictionsPlugin = require("./RestrictionsPlugin");
+const ResultPlugin = require("./ResultPlugin");
+const ModuleAppendPlugin = require("./ModuleAppendPlugin");
+const UnsafeCachePlugin = require("./UnsafeCachePlugin");
+
+exports.createResolver = function(options) {
+	//// OPTIONS ////
+
+	// A list of directories to resolve modules from, can be absolute path or folder name
+	let modules = options.modules || ["node_modules"];
+
+	// A list of description files to read from
+	const descriptionFiles = options.descriptionFiles || ["package.json"];
+
+	// A list of additional resolve plugins which should be applied
+	// The slice is there to create a copy, because otherwise pushing into plugins
+	// changes the original options.plugins array, causing duplicate plugins
+	const plugins = (options.plugins && options.plugins.slice()) || [];
+
+	// A list of main fields in description files
+	let mainFields = options.mainFields || ["main"];
+
+	// A list of alias fields in description files
+	const aliasFields = options.aliasFields || [];
+
+	// A list of main files in directories
+	const mainFiles = options.mainFiles || ["index"];
+
+	// A list of extensions which should be tried for files
+	let extensions = options.extensions || [".js", ".json", ".node"];
+
+	// Enforce that a extension from extensions must be used
+	const enforceExtension = options.enforceExtension || false;
+
+	// A list of module extensions which should be tried for modules
+	let moduleExtensions = options.moduleExtensions || [];
+
+	// Enforce that a extension from moduleExtensions must be used
+	const enforceModuleExtension = options.enforceModuleExtension || false;
+
+	// A list of module alias configurations or an object which maps key to value
+	let alias = options.alias || [];
+
+	// Resolve symlinks to their symlinked location
+	const symlinks =
+		typeof options.symlinks !== "undefined" ? options.symlinks : true;
+
+	// Resolve to a context instead of a file
+	const resolveToContext = options.resolveToContext || false;
+
+	// A list of root paths
+	const roots = options.roots || [];
+
+	// Ignore errors happening when resolving roots
+	const ignoreRootsErrors = options.ignoreRootsErrors || false;
+
+	// Prefer to resolve server-relative urls as absolute paths before falling back to resolve in roots
+	const preferAbsolute = options.preferAbsolute || false;
+
+	const restrictions = options.restrictions || [];
+
+	// Use this cache object to unsafely cache the successful requests
+	let unsafeCache = options.unsafeCache || false;
+
+	// Whether or not the unsafeCache should include request context as part of the cache key.
+	const cacheWithContext =
+		typeof options.cacheWithContext !== "undefined"
+			? options.cacheWithContext
+			: true;
+
+	// Enable concord description file instructions
+	const enableConcord = options.concord || false;
+
+	// A function which decides whether a request should be cached or not.
+	// an object is passed with `path` and `request` properties.
+	const cachePredicate =
+		options.cachePredicate ||
+		function() {
+			return true;
+		};
+
+	// The file system which should be used
+	const fileSystem = options.fileSystem;
+
+	// Use only the sync constiants of the file system calls
+	const useSyncFileSystemCalls = options.useSyncFileSystemCalls;
+
+	// A prepared Resolver to which the plugins are attached
+	let resolver = options.resolver;
+
+	//// options processing ////
+
+	if (!resolver) {
+		resolver = new Resolver(
+			useSyncFileSystemCalls
+				? new SyncAsyncFileSystemDecorator(fileSystem)
+				: fileSystem
+		);
+	}
+
+	extensions = [].concat(extensions);
+	moduleExtensions = [].concat(moduleExtensions);
+
+	modules = mergeFilteredToArray([].concat(modules), item => {
+		return !isAbsolutePath(item);
+	});
+
+	mainFields = mainFields.map(item => {
+		if (typeof item === "string" || Array.isArray(item)) {
+			item = {
+				name: item,
+				forceRelative: true
+			};
+		}
+		return item;
+	});
+
+	if (typeof alias === "object" && !Array.isArray(alias)) {
+		alias = Object.keys(alias).map(key => {
+			let onlyModule = false;
+			let obj = alias[key];
+			if (/\$$/.test(key)) {
+				onlyModule = true;
+				key = key.substr(0, key.length - 1);
+			}
+			if (typeof obj === "string") {
+				obj = {
+					alias: obj
+				};
+			}
+			obj = Object.assign(
+				{
+					name: key,
+					onlyModule: onlyModule
+				},
+				obj
+			);
+			return obj;
+		});
+	}
+
+	if (unsafeCache && typeof unsafeCache !== "object") {
+		unsafeCache = {};
+	}
+
+	//// pipeline ////
+
+	resolver.ensureHook("resolve");
+	resolver.ensureHook("parsedResolve");
+	resolver.ensureHook("describedResolve");
+	resolver.ensureHook("rawModule");
+	resolver.ensureHook("module");
+	resolver.ensureHook("relative");
+	resolver.ensureHook("describedRelative");
+	resolver.ensureHook("directory");
+	resolver.ensureHook("existingDirectory");
+	resolver.ensureHook("undescribedRawFile");
+	resolver.ensureHook("rawFile");
+	resolver.ensureHook("file");
+	resolver.ensureHook("existingFile");
+	resolver.ensureHook("resolved");
+
+	// resolve
+	if (unsafeCache) {
+		plugins.push(
+			new UnsafeCachePlugin(
+				"resolve",
+				cachePredicate,
+				unsafeCache,
+				cacheWithContext,
+				"new-resolve"
+			)
+		);
+		plugins.push(new ParsePlugin("new-resolve", "parsed-resolve"));
+	} else {
+		plugins.push(new ParsePlugin("resolve", "parsed-resolve"));
+	}
+
+	// parsed-resolve
+	plugins.push(
+		new DescriptionFilePlugin(
+			"parsed-resolve",
+			descriptionFiles,
+			"described-resolve"
+		)
+	);
+	plugins.push(new NextPlugin("after-parsed-resolve", "described-resolve"));
+
+	// described-resolve
+	if (alias.length > 0)
+		plugins.push(new AliasPlugin("described-resolve", alias, "resolve"));
+	if (enableConcord) {
+		plugins.push(new ConcordModulesPlugin("described-resolve", {}, "resolve"));
+	}
+	aliasFields.forEach(item => {
+		plugins.push(new AliasFieldPlugin("described-resolve", item, "resolve"));
+	});
+	plugins.push(new ModuleKindPlugin("after-described-resolve", "raw-module"));
+	if (preferAbsolute) {
+		plugins.push(new JoinRequestPlugin("after-described-resolve", "relative"));
+	}
+	roots.forEach(root => {
+		plugins.push(
+			new RootPlugin(
+				"after-described-resolve",
+				root,
+				"relative",
+				ignoreRootsErrors
+			)
+		);
+	});
+	if (!preferAbsolute) {
+		plugins.push(new JoinRequestPlugin("after-described-resolve", "relative"));
+	}
+
+	// raw-module
+	moduleExtensions.forEach(item => {
+		plugins.push(new ModuleAppendPlugin("raw-module", item, "module"));
+	});
+	if (!enforceModuleExtension)
+		plugins.push(new TryNextPlugin("raw-module", null, "module"));
+
+	// module
+	modules.forEach(item => {
+		if (Array.isArray(item))
+			plugins.push(
+				new ModulesInHierachicDirectoriesPlugin("module", item, "resolve")
+			);
+		else plugins.push(new ModulesInRootPlugin("module", item, "resolve"));
+	});
+
+	// relative
+	plugins.push(
+		new DescriptionFilePlugin(
+			"relative",
+			descriptionFiles,
+			"described-relative"
+		)
+	);
+	plugins.push(new NextPlugin("after-relative", "described-relative"));
+
+	// described-relative
+	plugins.push(new FileKindPlugin("described-relative", "raw-file"));
+	plugins.push(
+		new TryNextPlugin("described-relative", "as directory", "directory")
+	);
+
+	// directory
+	plugins.push(new DirectoryExistsPlugin("directory", "existing-directory"));
+
+	if (resolveToContext) {
+		// existing-directory
+		plugins.push(new NextPlugin("existing-directory", "resolved"));
+	} else {
+		// existing-directory
+		if (enableConcord) {
+			plugins.push(new ConcordMainPlugin("existing-directory", {}, "resolve"));
+		}
+		mainFields.forEach(item => {
+			plugins.push(new MainFieldPlugin("existing-directory", item, "resolve"));
+		});
+		mainFiles.forEach(item => {
+			plugins.push(
+				new UseFilePlugin("existing-directory", item, "undescribed-raw-file")
+			);
+		});
+
+		// undescribed-raw-file
+		plugins.push(
+			new DescriptionFilePlugin(
+				"undescribed-raw-file",
+				descriptionFiles,
+				"raw-file"
+			)
+		);
+		plugins.push(new NextPlugin("after-undescribed-raw-file", "raw-file"));
+
+		// raw-file
+		if (!enforceExtension) {
+			plugins.push(new TryNextPlugin("raw-file", "no extension", "file"));
+		}
+		if (enableConcord) {
+			plugins.push(new ConcordExtensionsPlugin("raw-file", {}, "file"));
+		}
+		extensions.forEach(item => {
+			plugins.push(new AppendPlugin("raw-file", item, "file"));
+		});
+
+		// file
+		if (alias.length > 0)
+			plugins.push(new AliasPlugin("file", alias, "resolve"));
+		if (enableConcord) {
+			plugins.push(new ConcordModulesPlugin("file", {}, "resolve"));
+		}
+		aliasFields.forEach(item => {
+			plugins.push(new AliasFieldPlugin("file", item, "resolve"));
+		});
+		if (symlinks) plugins.push(new SymlinkPlugin("file", "relative"));
+		plugins.push(new FileExistsPlugin("file", "existing-file"));
+
+		// existing-file
+		plugins.push(new NextPlugin("existing-file", "resolved"));
+	}
+
+	// resolved
+	if (restrictions.length > 0) {
+		plugins.push(new RestrictionsPlugin(resolver.hooks.resolved, restrictions));
+	}
+	plugins.push(new ResultPlugin(resolver.hooks.resolved));
+
+	//// RESOLVER ////
+
+	plugins.forEach(plugin => {
+		plugin.apply(resolver);
+	});
+
+	return resolver;
+};
+
+function mergeFilteredToArray(array, filter) {
+	return array.reduce((array, item) => {
+		if (filter(item)) {
+			const lastElement = array[array.length - 1];
+			if (Array.isArray(lastElement)) {
+				lastElement.push(item);
+			} else {
+				array.push([item]);
+			}
+			return array;
+		} else {
+			array.push(item);
+			return array;
+		}
+	}, []);
+}
+
+function isAbsolutePath(path) {
+	return /^[A-Z]:|^\//.test(path);
+}
diff --git a/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js b/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js
new file mode 100644
index 00000000..961cc222
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js
@@ -0,0 +1,56 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+const slashCode = "/".charCodeAt(0);
+const backslashCode = "\\".charCodeAt(0);
+
+const isInside = (path, parent) => {
+	if (!path.startsWith(parent)) return false;
+	if (path.length === parent.length) return true;
+	const charCode = path.charCodeAt(parent.length);
+	return charCode === slashCode || charCode === backslashCode;
+};
+
+module.exports = class RestrictionsPlugin {
+	constructor(source, restrictions) {
+		this.source = source;
+		this.restrictions = restrictions;
+	}
+
+	apply(resolver) {
+		resolver
+			.getHook(this.source)
+			.tapAsync("RestrictionsPlugin", (request, resolveContext, callback) => {
+				if (typeof request.path === "string") {
+					const path = request.path;
+
+					for (let i = 0; i < this.restrictions.length; i++) {
+						const rule = this.restrictions[i];
+						if (typeof rule === "string") {
+							if (!isInside(path, rule)) {
+								if (resolveContext.log) {
+									resolveContext.log(
+										`${path} is not inside of the restriction ${rule}`
+									);
+								}
+								return callback(null, null);
+							}
+						} else if (!rule.test(path)) {
+							if (resolveContext.log) {
+								resolveContext.log(
+									`${path} doesn't match the restriction ${rule}`
+								);
+							}
+							return callback(null, null);
+						}
+					}
+				}
+
+				callback();
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/ResultPlugin.js b/node_modules/enhanced-resolve/lib/ResultPlugin.js
new file mode 100644
index 00000000..7ddd48c8
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ResultPlugin.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class ResultPlugin {
+	constructor(source) {
+		this.source = source;
+	}
+
+	apply(resolver) {
+		this.source.tapAsync(
+			"ResultPlugin",
+			(request, resolverContext, callback) => {
+				const obj = Object.assign({}, request);
+				if (resolverContext.log)
+					resolverContext.log("reporting result " + obj.path);
+				resolver.hooks.result.callAsync(obj, resolverContext, err => {
+					if (err) return callback(err);
+					callback(null, obj);
+				});
+			}
+		);
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/RootPlugin.js b/node_modules/enhanced-resolve/lib/RootPlugin.js
new file mode 100644
index 00000000..94ed9b6b
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/RootPlugin.js
@@ -0,0 +1,68 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+/** @typedef {import("./Resolver")} Resolver */
+/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
+
+class RootPlugin {
+	/**
+	 * @param {string | ResolveStepHook} source source hook
+	 * @param {Array<string>} root roots
+	 * @param {string | ResolveStepHook} target target hook
+	 * @param {boolean=} ignoreErrors ignore error during resolving of root paths
+	 */
+	constructor(source, root, target, ignoreErrors) {
+		this.root = root;
+		this.source = source;
+		this.target = target;
+		this._ignoreErrors = ignoreErrors;
+	}
+
+	/**
+	 * @param {Resolver} resolver the resolver
+	 * @returns {void}
+	 */
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+
+		resolver
+			.getHook(this.source)
+			.tapAsync("RootPlugin", (request, resolveContext, callback) => {
+				const req = request.request;
+				if (!req) return callback();
+				if (!req.startsWith("/")) return callback();
+
+				const path = resolver.join(this.root, req.slice(1));
+				const obj = Object.assign(request, {
+					path,
+					relativePath: request.relativePath && path
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					`root path ${this.root}`,
+					resolveContext,
+					this._ignoreErrors
+						? (err, result) => {
+								if (err) {
+									if (resolveContext.log) {
+										resolveContext.log(
+											`Ignored fatal error while resolving root path:\n${err}`
+										);
+									}
+									return callback();
+								}
+								if (result) return callback(null, result);
+								callback();
+						  }
+						: callback
+				);
+			});
+	}
+}
+
+module.exports = RootPlugin;
diff --git a/node_modules/enhanced-resolve/lib/SymlinkPlugin.js b/node_modules/enhanced-resolve/lib/SymlinkPlugin.js
new file mode 100644
index 00000000..cc22b2db
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/SymlinkPlugin.js
@@ -0,0 +1,64 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const getPaths = require("./getPaths");
+const forEachBail = require("./forEachBail");
+
+module.exports = class SymlinkPlugin {
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		const fs = resolver.fileSystem;
+		resolver
+			.getHook(this.source)
+			.tapAsync("SymlinkPlugin", (request, resolveContext, callback) => {
+				const pathsResult = getPaths(request.path);
+				const pathSeqments = pathsResult.seqments;
+				const paths = pathsResult.paths;
+
+				let containsSymlink = false;
+				forEachBail.withIndex(
+					paths,
+					(path, idx, callback) => {
+						fs.readlink(path, (err, result) => {
+							if (!err && result) {
+								pathSeqments[idx] = result;
+								containsSymlink = true;
+								// Shortcut when absolute symlink found
+								if (/^(\/|[a-zA-Z]:($|\\))/.test(result))
+									return callback(null, idx);
+							}
+							callback();
+						});
+					},
+					(err, idx) => {
+						if (!containsSymlink) return callback();
+						const resultSeqments =
+							typeof idx === "number"
+								? pathSeqments.slice(0, idx + 1)
+								: pathSeqments.slice();
+						const result = resultSeqments.reverse().reduce((a, b) => {
+							return resolver.join(a, b);
+						});
+						const obj = Object.assign({}, request, {
+							path: result
+						});
+						resolver.doResolve(
+							target,
+							obj,
+							"resolved symlink to " + result,
+							resolveContext,
+							callback
+						);
+					}
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/SyncAsyncFileSystemDecorator.js b/node_modules/enhanced-resolve/lib/SyncAsyncFileSystemDecorator.js
new file mode 100644
index 00000000..1c8320a1
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/SyncAsyncFileSystemDecorator.js
@@ -0,0 +1,65 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+function SyncAsyncFileSystemDecorator(fs) {
+	this.fs = fs;
+	if (fs.statSync) {
+		this.stat = function(arg, callback) {
+			let result;
+			try {
+				result = fs.statSync(arg);
+			} catch (e) {
+				return callback(e);
+			}
+			callback(null, result);
+		};
+	}
+	if (fs.readdirSync) {
+		this.readdir = function(arg, callback) {
+			let result;
+			try {
+				result = fs.readdirSync(arg);
+			} catch (e) {
+				return callback(e);
+			}
+			callback(null, result);
+		};
+	}
+	if (fs.readFileSync) {
+		this.readFile = function(arg, callback) {
+			let result;
+			try {
+				result = fs.readFileSync(arg);
+			} catch (e) {
+				return callback(e);
+			}
+			callback(null, result);
+		};
+	}
+	if (fs.readlinkSync) {
+		this.readlink = function(arg, callback) {
+			let result;
+			try {
+				result = fs.readlinkSync(arg);
+			} catch (e) {
+				return callback(e);
+			}
+			callback(null, result);
+		};
+	}
+	if (fs.readJsonSync) {
+		this.readJson = function(arg, callback) {
+			let result;
+			try {
+				result = fs.readJsonSync(arg);
+			} catch (e) {
+				return callback(e);
+			}
+			callback(null, result);
+		};
+	}
+}
+module.exports = SyncAsyncFileSystemDecorator;
diff --git a/node_modules/enhanced-resolve/lib/TryNextPlugin.js b/node_modules/enhanced-resolve/lib/TryNextPlugin.js
new file mode 100644
index 00000000..d244bfb5
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/TryNextPlugin.js
@@ -0,0 +1,28 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class TryNextPlugin {
+	constructor(source, message, target) {
+		this.source = source;
+		this.message = message;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("TryNextPlugin", (request, resolveContext, callback) => {
+				resolver.doResolve(
+					target,
+					request,
+					this.message,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js b/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js
new file mode 100644
index 00000000..e2c44d0f
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js
@@ -0,0 +1,49 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+function getCacheId(request, withContext) {
+	return JSON.stringify({
+		context: withContext ? request.context : "",
+		path: request.path,
+		query: request.query,
+		request: request.request
+	});
+}
+
+module.exports = class UnsafeCachePlugin {
+	constructor(source, filterPredicate, cache, withContext, target) {
+		this.source = source;
+		this.filterPredicate = filterPredicate;
+		this.withContext = withContext;
+		this.cache = cache || {};
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("UnsafeCachePlugin", (request, resolveContext, callback) => {
+				if (!this.filterPredicate(request)) return callback();
+				const cacheId = getCacheId(request, this.withContext);
+				const cacheEntry = this.cache[cacheId];
+				if (cacheEntry) {
+					return callback(null, cacheEntry);
+				}
+				resolver.doResolve(
+					target,
+					request,
+					null,
+					resolveContext,
+					(err, result) => {
+						if (err) return callback(err);
+						if (result) return callback(null, (this.cache[cacheId] = result));
+						callback();
+					}
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/UseFilePlugin.js b/node_modules/enhanced-resolve/lib/UseFilePlugin.js
new file mode 100644
index 00000000..3fd9c33d
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/UseFilePlugin.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class UseFilePlugin {
+	constructor(source, filename, target) {
+		this.source = source;
+		this.filename = filename;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync("UseFilePlugin", (request, resolveContext, callback) => {
+				const filePath = resolver.join(request.path, this.filename);
+				const obj = Object.assign({}, request, {
+					path: filePath,
+					relativePath:
+						request.relativePath &&
+						resolver.join(request.relativePath, this.filename)
+				});
+				resolver.doResolve(
+					target,
+					obj,
+					"using path: " + filePath,
+					resolveContext,
+					callback
+				);
+			});
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/concord.js b/node_modules/enhanced-resolve/lib/concord.js
new file mode 100644
index 00000000..8dab66e7
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/concord.js
@@ -0,0 +1,205 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const globToRegExp = require("./globToRegExp").globToRegExp;
+
+function parseType(type) {
+	const items = type.split("+");
+	const t = items.shift();
+	return {
+		type: t === "*" ? null : t,
+		features: items
+	};
+}
+
+function isTypeMatched(baseType, testedType) {
+	if (typeof baseType === "string") baseType = parseType(baseType);
+	if (typeof testedType === "string") testedType = parseType(testedType);
+	if (testedType.type && testedType.type !== baseType.type) return false;
+	return testedType.features.every(requiredFeature => {
+		return baseType.features.indexOf(requiredFeature) >= 0;
+	});
+}
+
+function isResourceTypeMatched(baseType, testedType) {
+	baseType = baseType.split("/");
+	testedType = testedType.split("/");
+	if (baseType.length !== testedType.length) return false;
+	for (let i = 0; i < baseType.length; i++) {
+		if (!isTypeMatched(baseType[i], testedType[i])) return false;
+	}
+	return true;
+}
+
+function isResourceTypeSupported(context, type) {
+	return (
+		context.supportedResourceTypes &&
+		context.supportedResourceTypes.some(supportedType => {
+			return isResourceTypeMatched(supportedType, type);
+		})
+	);
+}
+
+function isEnvironment(context, env) {
+	return (
+		context.environments &&
+		context.environments.every(environment => {
+			return isTypeMatched(environment, env);
+		})
+	);
+}
+
+const globCache = {};
+
+function getGlobRegExp(glob) {
+	const regExp = globCache[glob] || (globCache[glob] = globToRegExp(glob));
+	return regExp;
+}
+
+function matchGlob(glob, relativePath) {
+	const regExp = getGlobRegExp(glob);
+	return regExp.exec(relativePath);
+}
+
+function isGlobMatched(glob, relativePath) {
+	return !!matchGlob(glob, relativePath);
+}
+
+function isConditionMatched(context, condition) {
+	const items = condition.split("|");
+	return items.some(function testFn(item) {
+		item = item.trim();
+		const inverted = /^!/.test(item);
+		if (inverted) return !testFn(item.substr(1));
+		if (/^[a-z]+:/.test(item)) {
+			// match named condition
+			const match = /^([a-z]+):\s*/.exec(item);
+			const value = item.substr(match[0].length);
+			const name = match[1];
+			switch (name) {
+				case "referrer":
+					return isGlobMatched(value, context.referrer);
+				default:
+					return false;
+			}
+		} else if (item.indexOf("/") >= 0) {
+			// match supported type
+			return isResourceTypeSupported(context, item);
+		} else {
+			// match environment
+			return isEnvironment(context, item);
+		}
+	});
+}
+
+function isKeyMatched(context, key) {
+	for (;;) {
+		const match = /^\[([^\]]+)\]\s*/.exec(key);
+		if (!match) return key;
+		key = key.substr(match[0].length);
+		const condition = match[1];
+		if (!isConditionMatched(context, condition)) {
+			return false;
+		}
+	}
+}
+
+function getField(context, configuration, field) {
+	let value;
+	Object.keys(configuration).forEach(key => {
+		const pureKey = isKeyMatched(context, key);
+		if (pureKey === field) {
+			value = configuration[key];
+		}
+	});
+	return value;
+}
+
+function getMain(context, configuration) {
+	return getField(context, configuration, "main");
+}
+
+function getExtensions(context, configuration) {
+	return getField(context, configuration, "extensions");
+}
+
+function matchModule(context, configuration, request) {
+	const modulesField = getField(context, configuration, "modules");
+	if (!modulesField) return request;
+	let newRequest = request;
+	const keys = Object.keys(modulesField);
+	let iteration = 0;
+	let match;
+	let index;
+	for (let i = 0; i < keys.length; i++) {
+		const key = keys[i];
+		const pureKey = isKeyMatched(context, key);
+		match = matchGlob(pureKey, newRequest);
+		if (match) {
+			const value = modulesField[key];
+			if (typeof value !== "string") {
+				return value;
+			} else if (/^\(.+\)$/.test(pureKey)) {
+				newRequest = newRequest.replace(getGlobRegExp(pureKey), value);
+			} else {
+				index = 1;
+				newRequest = value.replace(/(\/?\*)?\*/g, replaceMatcher);
+			}
+			i = -1;
+			if (iteration++ > keys.length) {
+				throw new Error("Request '" + request + "' matches recursively");
+			}
+		}
+	}
+	return newRequest;
+
+	function replaceMatcher(find) {
+		switch (find) {
+			case "/**": {
+				const m = match[index++];
+				return m ? "/" + m : "";
+			}
+			case "**":
+			case "*":
+				return match[index++];
+		}
+	}
+}
+
+function matchType(context, configuration, relativePath) {
+	const typesField = getField(context, configuration, "types");
+	if (!typesField) return undefined;
+	let type;
+	Object.keys(typesField).forEach(key => {
+		const pureKey = isKeyMatched(context, key);
+		if (isGlobMatched(pureKey, relativePath)) {
+			const value = typesField[key];
+			if (!type && /\/\*$/.test(value))
+				throw new Error(
+					"value ('" +
+						value +
+						"') of key '" +
+						key +
+						"' contains '*', but there is no previous value defined"
+				);
+			type = value.replace(/\/\*$/, "/" + type);
+		}
+	});
+	return type;
+}
+
+exports.parseType = parseType;
+exports.isTypeMatched = isTypeMatched;
+exports.isResourceTypeSupported = isResourceTypeSupported;
+exports.isEnvironment = isEnvironment;
+exports.isGlobMatched = isGlobMatched;
+exports.isConditionMatched = isConditionMatched;
+exports.isKeyMatched = isKeyMatched;
+exports.getField = getField;
+exports.getMain = getMain;
+exports.getExtensions = getExtensions;
+exports.matchModule = matchModule;
+exports.matchType = matchType;
diff --git a/node_modules/enhanced-resolve/lib/createInnerCallback.js b/node_modules/enhanced-resolve/lib/createInnerCallback.js
new file mode 100644
index 00000000..fc6a64d2
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/createInnerCallback.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+
+// TODO remove in enhanced-resolve 5
+module.exports = util.deprecate(function createInnerCallback(
+	callback,
+	options,
+	message,
+	messageOptional
+) {
+	const log = options.log;
+	if (!log) {
+		if (options.stack !== callback.stack) {
+			const callbackWrapper = function callbackWrapper() {
+				return callback.apply(this, arguments);
+			};
+			callbackWrapper.stack = options.stack;
+			callbackWrapper.missing = options.missing;
+			return callbackWrapper;
+		}
+		return callback;
+	}
+
+	function loggingCallbackWrapper() {
+		return callback.apply(this, arguments);
+	}
+	if (message) {
+		if (!messageOptional) {
+			log(message);
+		}
+		loggingCallbackWrapper.log = function writeLog(msg) {
+			if (messageOptional) {
+				log(message);
+				messageOptional = false;
+			}
+			log("  " + msg);
+		};
+	} else {
+		loggingCallbackWrapper.log = function writeLog(msg) {
+			log(msg);
+		};
+	}
+	loggingCallbackWrapper.stack = options.stack;
+	loggingCallbackWrapper.missing = options.missing;
+	return loggingCallbackWrapper;
+},
+"Pass resolveContext instead and use createInnerContext");
diff --git a/node_modules/enhanced-resolve/lib/createInnerContext.js b/node_modules/enhanced-resolve/lib/createInnerContext.js
new file mode 100644
index 00000000..758e1b4e
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/createInnerContext.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = function createInnerContext(
+	options,
+	message,
+	messageOptional
+) {
+	let messageReported = false;
+	const childContext = {
+		log: (() => {
+			if (!options.log) return undefined;
+			if (!message) return options.log;
+			const logFunction = msg => {
+				if (!messageReported) {
+					options.log(message);
+					messageReported = true;
+				}
+				options.log("  " + msg);
+			};
+			return logFunction;
+		})(),
+		stack: options.stack,
+		missing: options.missing
+	};
+	return childContext;
+};
diff --git a/node_modules/enhanced-resolve/lib/forEachBail.js b/node_modules/enhanced-resolve/lib/forEachBail.js
new file mode 100644
index 00000000..8834ea5f
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/forEachBail.js
@@ -0,0 +1,69 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = function forEachBail(array, iterator, callback) {
+	if (array.length === 0) return callback();
+	let currentPos = array.length;
+	let currentResult;
+	let done = [];
+	for (let i = 0; i < array.length; i++) {
+		const itCb = createIteratorCallback(i);
+		iterator(array[i], itCb);
+		if (currentPos === 0) break;
+	}
+
+	function createIteratorCallback(i) {
+		return (...args) => {
+			if (i >= currentPos) return; // ignore
+			done.push(i);
+			if (args.length > 0) {
+				currentPos = i + 1;
+				done = done.filter(item => {
+					return item <= i;
+				});
+				currentResult = args;
+			}
+			if (done.length === currentPos) {
+				callback.apply(null, currentResult);
+				currentPos = 0;
+			}
+		};
+	}
+};
+
+module.exports.withIndex = function forEachBailWithIndex(
+	array,
+	iterator,
+	callback
+) {
+	if (array.length === 0) return callback();
+	let currentPos = array.length;
+	let currentResult;
+	let done = [];
+	for (let i = 0; i < array.length; i++) {
+		const itCb = createIteratorCallback(i);
+		iterator(array[i], i, itCb);
+		if (currentPos === 0) break;
+	}
+
+	function createIteratorCallback(i) {
+		return (...args) => {
+			if (i >= currentPos) return; // ignore
+			done.push(i);
+			if (args.length > 0) {
+				currentPos = i + 1;
+				done = done.filter(item => {
+					return item <= i;
+				});
+				currentResult = args;
+			}
+			if (done.length === currentPos) {
+				callback.apply(null, currentResult);
+				currentPos = 0;
+			}
+		};
+	}
+};
diff --git a/node_modules/enhanced-resolve/lib/getInnerRequest.js b/node_modules/enhanced-resolve/lib/getInnerRequest.js
new file mode 100644
index 00000000..8063a4a6
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/getInnerRequest.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = function getInnerRequest(resolver, request) {
+	if (
+		typeof request.__innerRequest === "string" &&
+		request.__innerRequest_request === request.request &&
+		request.__innerRequest_relativePath === request.relativePath
+	)
+		return request.__innerRequest;
+	let innerRequest;
+	if (request.request) {
+		innerRequest = request.request;
+		if (/^\.\.?\//.test(innerRequest) && request.relativePath) {
+			innerRequest = resolver.join(request.relativePath, innerRequest);
+		}
+	} else {
+		innerRequest = request.relativePath;
+	}
+	request.__innerRequest_request = request.request;
+	request.__innerRequest_relativePath = request.relativePath;
+	return (request.__innerRequest = innerRequest);
+};
diff --git a/node_modules/enhanced-resolve/lib/getPaths.js b/node_modules/enhanced-resolve/lib/getPaths.js
new file mode 100644
index 00000000..4b1aa1c1
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/getPaths.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = function getPaths(path) {
+	const parts = path.split(/(.*?[\\/]+)/);
+	const paths = [path];
+	const seqments = [parts[parts.length - 1]];
+	let part = parts[parts.length - 1];
+	path = path.substr(0, path.length - part.length - 1);
+	for (let i = parts.length - 2; i > 2; i -= 2) {
+		paths.push(path);
+		part = parts[i];
+		path = path.substr(0, path.length - part.length) || "/";
+		seqments.push(part.substr(0, part.length - 1));
+	}
+	part = parts[1];
+	seqments.push(part);
+	paths.push(part);
+	return {
+		paths: paths,
+		seqments: seqments
+	};
+};
+
+module.exports.basename = function basename(path) {
+	const i = path.lastIndexOf("/"),
+		j = path.lastIndexOf("\\");
+	const p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
+	if (p < 0) return null;
+	const s = path.substr(p + 1);
+	return s;
+};
diff --git a/node_modules/enhanced-resolve/lib/globToRegExp.js b/node_modules/enhanced-resolve/lib/globToRegExp.js
new file mode 100644
index 00000000..480b64cc
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/globToRegExp.js
@@ -0,0 +1,201 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+function globToRegExp(glob) {
+	// * [^\\\/]*
+	// /**/ /.+/
+	// ^* \./.+ (concord special)
+	// ? [^\\\/]
+	// [!...] [^...]
+	// [^...] [^...]
+	// / [\\\/]
+	// {...,...} (...|...)
+	// ?(...|...) (...|...)?
+	// +(...|...) (...|...)+
+	// *(...|...) (...|...)*
+	// @(...|...) (...|...)
+	if (/^\(.+\)$/.test(glob)) {
+		// allow to pass an RegExp in brackets
+		return new RegExp(glob.substr(1, glob.length - 2));
+	}
+	const tokens = tokenize(glob);
+	const process = createRoot();
+	const regExpStr = tokens.map(process).join("");
+	return new RegExp("^" + regExpStr + "$");
+}
+
+const SIMPLE_TOKENS = {
+	"@(": "one",
+	"?(": "zero-one",
+	"+(": "one-many",
+	"*(": "zero-many",
+	"|": "segment-sep",
+	"/**/": "any-path-segments",
+	"**": "any-path",
+	"*": "any-path-segment",
+	"?": "any-char",
+	"{": "or",
+	"/": "path-sep",
+	",": "comma",
+	")": "closing-segment",
+	"}": "closing-or"
+};
+
+function tokenize(glob) {
+	return glob
+		.split(
+			/([@?+*]\(|\/\*\*\/|\*\*|[?*]|\[[!^]?(?:[^\]\\]|\\.)+\]|\{|,|\/|[|)}])/g
+		)
+		.map(item => {
+			if (!item) return null;
+			const t = SIMPLE_TOKENS[item];
+			if (t) {
+				return {
+					type: t
+				};
+			}
+			if (item[0] === "[") {
+				if (item[1] === "^" || item[1] === "!") {
+					return {
+						type: "inverted-char-set",
+						value: item.substr(2, item.length - 3)
+					};
+				} else {
+					return {
+						type: "char-set",
+						value: item.substr(1, item.length - 2)
+					};
+				}
+			}
+			return {
+				type: "string",
+				value: item
+			};
+		})
+		.filter(Boolean)
+		.concat({
+			type: "end"
+		});
+}
+
+function createRoot() {
+	const inOr = [];
+	const process = createSeqment();
+	let initial = true;
+	return function(token) {
+		switch (token.type) {
+			case "or":
+				inOr.push(initial);
+				return "(";
+			case "comma":
+				if (inOr.length) {
+					initial = inOr[inOr.length - 1];
+					return "|";
+				} else {
+					return process(
+						{
+							type: "string",
+							value: ","
+						},
+						initial
+					);
+				}
+			case "closing-or":
+				if (inOr.length === 0) throw new Error("Unmatched '}'");
+				inOr.pop();
+				return ")";
+			case "end":
+				if (inOr.length) throw new Error("Unmatched '{'");
+				return process(token, initial);
+			default: {
+				const result = process(token, initial);
+				initial = false;
+				return result;
+			}
+		}
+	};
+}
+
+function createSeqment() {
+	const inSeqment = [];
+	const process = createSimple();
+	return function(token, initial) {
+		switch (token.type) {
+			case "one":
+			case "one-many":
+			case "zero-many":
+			case "zero-one":
+				inSeqment.push(token.type);
+				return "(";
+			case "segment-sep":
+				if (inSeqment.length) {
+					return "|";
+				} else {
+					return process(
+						{
+							type: "string",
+							value: "|"
+						},
+						initial
+					);
+				}
+			case "closing-segment": {
+				const segment = inSeqment.pop();
+				switch (segment) {
+					case "one":
+						return ")";
+					case "one-many":
+						return ")+";
+					case "zero-many":
+						return ")*";
+					case "zero-one":
+						return ")?";
+				}
+				throw new Error("Unexcepted segment " + segment);
+			}
+			case "end":
+				if (inSeqment.length > 0) {
+					throw new Error("Unmatched segment, missing ')'");
+				}
+				return process(token, initial);
+			default:
+				return process(token, initial);
+		}
+	};
+}
+
+function createSimple() {
+	return function(token, initial) {
+		switch (token.type) {
+			case "path-sep":
+				return "[\\\\/]+";
+			case "any-path-segments":
+				return "[\\\\/]+(?:(.+)[\\\\/]+)?";
+			case "any-path":
+				return "(.*)";
+			case "any-path-segment":
+				if (initial) {
+					return "\\.[\\\\/]+(?:.*[\\\\/]+)?([^\\\\/]+)";
+				} else {
+					return "([^\\\\/]*)";
+				}
+			case "any-char":
+				return "[^\\\\/]";
+			case "inverted-char-set":
+				return "[^" + token.value + "]";
+			case "char-set":
+				return "[" + token.value + "]";
+			case "string":
+				return token.value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+			case "end":
+				return "";
+			default:
+				throw new Error("Unsupported token '" + token.type + "'");
+		}
+	};
+}
+
+exports.globToRegExp = globToRegExp;
diff --git a/node_modules/enhanced-resolve/lib/node.js b/node_modules/enhanced-resolve/lib/node.js
new file mode 100644
index 00000000..c8246960
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/node.js
@@ -0,0 +1,201 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ResolverFactory = require("./ResolverFactory");
+
+const NodeJsInputFileSystem = require("./NodeJsInputFileSystem");
+const CachedInputFileSystem = require("./CachedInputFileSystem");
+
+const nodeFileSystem = new CachedInputFileSystem(
+	new NodeJsInputFileSystem(),
+	4000
+);
+
+const nodeContext = {
+	environments: ["node+es3+es5+process+native"]
+};
+
+const asyncResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	fileSystem: nodeFileSystem
+});
+module.exports = function resolve(
+	context,
+	path,
+	request,
+	resolveContext,
+	callback
+) {
+	if (typeof context === "string") {
+		callback = resolveContext;
+		resolveContext = request;
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	if (typeof callback !== "function") {
+		callback = resolveContext;
+	}
+	asyncResolver.resolve(context, path, request, resolveContext, callback);
+};
+
+const syncResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	useSyncFileSystemCalls: true,
+	fileSystem: nodeFileSystem
+});
+module.exports.sync = function resolveSync(context, path, request) {
+	if (typeof context === "string") {
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	return syncResolver.resolveSync(context, path, request);
+};
+
+const asyncContextResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	resolveToContext: true,
+	fileSystem: nodeFileSystem
+});
+module.exports.context = function resolveContext(
+	context,
+	path,
+	request,
+	resolveContext,
+	callback
+) {
+	if (typeof context === "string") {
+		callback = resolveContext;
+		resolveContext = request;
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	if (typeof callback !== "function") {
+		callback = resolveContext;
+	}
+	asyncContextResolver.resolve(
+		context,
+		path,
+		request,
+		resolveContext,
+		callback
+	);
+};
+
+const syncContextResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	resolveToContext: true,
+	useSyncFileSystemCalls: true,
+	fileSystem: nodeFileSystem
+});
+module.exports.context.sync = function resolveContextSync(
+	context,
+	path,
+	request
+) {
+	if (typeof context === "string") {
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	return syncContextResolver.resolveSync(context, path, request);
+};
+
+const asyncLoaderResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	moduleExtensions: ["-loader"],
+	mainFields: ["loader", "main"],
+	fileSystem: nodeFileSystem
+});
+module.exports.loader = function resolveLoader(
+	context,
+	path,
+	request,
+	resolveContext,
+	callback
+) {
+	if (typeof context === "string") {
+		callback = resolveContext;
+		resolveContext = request;
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	if (typeof callback !== "function") {
+		callback = resolveContext;
+	}
+	asyncLoaderResolver.resolve(context, path, request, resolveContext, callback);
+};
+
+const syncLoaderResolver = ResolverFactory.createResolver({
+	extensions: [".js", ".json", ".node"],
+	moduleExtensions: ["-loader"],
+	mainFields: ["loader", "main"],
+	useSyncFileSystemCalls: true,
+	fileSystem: nodeFileSystem
+});
+module.exports.loader.sync = function resolveLoaderSync(
+	context,
+	path,
+	request
+) {
+	if (typeof context === "string") {
+		request = path;
+		path = context;
+		context = nodeContext;
+	}
+	return syncLoaderResolver.resolveSync(context, path, request);
+};
+
+module.exports.create = function create(options) {
+	options = Object.assign(
+		{
+			fileSystem: nodeFileSystem
+		},
+		options
+	);
+	const resolver = ResolverFactory.createResolver(options);
+	return function(context, path, request, resolveContext, callback) {
+		if (typeof context === "string") {
+			callback = resolveContext;
+			resolveContext = request;
+			request = path;
+			path = context;
+			context = nodeContext;
+		}
+		if (typeof callback !== "function") {
+			callback = resolveContext;
+		}
+		resolver.resolve(context, path, request, resolveContext, callback);
+	};
+};
+
+module.exports.create.sync = function createSync(options) {
+	options = Object.assign(
+		{
+			useSyncFileSystemCalls: true,
+			fileSystem: nodeFileSystem
+		},
+		options
+	);
+	const resolver = ResolverFactory.createResolver(options);
+	return function(context, path, request) {
+		if (typeof context === "string") {
+			request = path;
+			path = context;
+			context = nodeContext;
+		}
+		return resolver.resolveSync(context, path, request);
+	};
+};
+
+// Export Resolver, FileSystems and Plugins
+module.exports.ResolverFactory = ResolverFactory;
+
+module.exports.NodeJsInputFileSystem = NodeJsInputFileSystem;
+module.exports.CachedInputFileSystem = CachedInputFileSystem;
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/LICENSE b/node_modules/enhanced-resolve/node_modules/memory-fs/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/README.md b/node_modules/enhanced-resolve/node_modules/memory-fs/README.md
new file mode 100644
index 00000000..62cd7763
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/README.md
@@ -0,0 +1,29 @@
+# memory-fs
+
+A simple in-memory filesystem. Holds data in a javascript object.
+
+``` javascript
+var MemoryFileSystem = require("memory-fs");
+var fs = new MemoryFileSystem(); // Optionally pass a javascript object
+
+fs.mkdirpSync("/a/test/dir");
+fs.writeFileSync("/a/test/dir/file.txt", "Hello World");
+fs.readFileSync("/a/test/dir/file.txt"); // returns Buffer("Hello World")
+
+// Async variants too
+fs.unlink("/a/test/dir/file.txt", function(err) {
+	// ...
+});
+
+fs.readdirSync("/a/test"); // returns ["dir"]
+fs.statSync("/a/test/dir").isDirectory(); // returns true
+fs.rmdirSync("/a/test/dir");
+
+fs.mkdirpSync("C:\\use\\windows\\style\\paths");
+```
+
+## License
+
+Copyright (c) 2012-2014 Tobias Koppers
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystem.js b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystem.js
new file mode 100644
index 00000000..1d9d3d29
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystem.js
@@ -0,0 +1,335 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const normalize = require("./normalize");
+const join = require("./join");
+const MemoryFileSystemError = require("./MemoryFileSystemError");
+const errors = require("errno");
+const stream = require("readable-stream");
+
+const ReadableStream = stream.Readable;
+const WritableStream = stream.Writable;
+
+function isDir(item) {
+	if(typeof item !== "object") return false;
+	return item[""] === true;
+}
+
+function isFile(item) {
+	if(typeof item !== "object") return false;
+	return !item[""];
+}
+
+function pathToArray(path) {
+	path = normalize(path);
+	const nix = /^\//.test(path);
+	if(!nix) {
+		if(!/^[A-Za-z]:/.test(path)) {
+			throw new MemoryFileSystemError(errors.code.EINVAL, path);
+		}
+		path = path.replace(/[\\\/]+/g, "\\"); // multi slashs
+		path = path.split(/[\\\/]/);
+		path[0] = path[0].toUpperCase();
+	} else {
+		path = path.replace(/\/+/g, "/"); // multi slashs
+		path = path.substr(1).split("/");
+	}
+	if(!path[path.length-1]) path.pop();
+	return path;
+}
+
+function trueFn() { return true; }
+function falseFn() { return false; }
+
+class MemoryFileSystem {
+	constructor(data) {
+		this.data = data || {};
+		this.join = join;
+		this.pathToArray = pathToArray;
+		this.normalize = normalize;
+	}
+
+	meta(_path) {
+		const path = pathToArray(_path);
+		let current = this.data;
+		let i = 0;
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				return;
+			current = current[path[i]];
+		}
+		return current[path[i]];
+	}
+
+	existsSync(_path) {
+		return !!this.meta(_path);
+	}
+
+	statSync(_path) {
+		let current = this.meta(_path);
+		if(_path === "/" || isDir(current)) {
+			return {
+				isFile: falseFn,
+				isDirectory: trueFn,
+				isBlockDevice: falseFn,
+				isCharacterDevice: falseFn,
+				isSymbolicLink: falseFn,
+				isFIFO: falseFn,
+				isSocket: falseFn
+			};
+		} else if(isFile(current)) {
+			return {
+				isFile: trueFn,
+				isDirectory: falseFn,
+				isBlockDevice: falseFn,
+				isCharacterDevice: falseFn,
+				isSymbolicLink: falseFn,
+				isFIFO: falseFn,
+				isSocket: falseFn
+			};
+		} else {
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path, "stat");
+		}
+	}
+
+	readFileSync(_path, optionsOrEncoding) {
+		const path = pathToArray(_path);
+		let current = this.data;
+		let i = 0
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "readFile");
+			current = current[path[i]];
+		}
+		if(!isFile(current[path[i]])) {
+			if(isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.EISDIR, _path, "readFile");
+			else
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "readFile");
+		}
+		current = current[path[i]];
+		const encoding = typeof optionsOrEncoding === "object" ? optionsOrEncoding.encoding : optionsOrEncoding;
+		return encoding ? current.toString(encoding) : current;
+	}
+
+	readdirSync(_path) {
+		if(_path === "/") return Object.keys(this.data).filter(Boolean);
+		const path = pathToArray(_path);
+		let current = this.data;
+		let i = 0;
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "readdir");
+			current = current[path[i]];
+		}
+		if(!isDir(current[path[i]])) {
+			if(isFile(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOTDIR, _path, "readdir");
+			else
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "readdir");
+		}
+		return Object.keys(current[path[i]]).filter(Boolean);
+	}
+
+	mkdirpSync(_path) {
+		const path = pathToArray(_path);
+		if(path.length === 0) return;
+		let current = this.data;
+		for(let i = 0; i < path.length; i++) {
+			if(isFile(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOTDIR, _path, "mkdirp");
+			else if(!isDir(current[path[i]]))
+				current[path[i]] = {"":true};
+			current = current[path[i]];
+		}
+		return;
+	}
+
+	mkdirSync(_path) {
+		const path = pathToArray(_path);
+		if(path.length === 0) return;
+		let current = this.data;
+		let i = 0;
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "mkdir");
+			current = current[path[i]];
+		}
+		if(isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.EEXIST, _path, "mkdir");
+		else if(isFile(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOTDIR, _path, "mkdir");
+		current[path[i]] = {"":true};
+		return;
+	}
+
+	_remove(_path, name, testFn) {
+		const path = pathToArray(_path);
+		const operation = name === "File" ? "unlink" : "rmdir";
+		if(path.length === 0) {
+			throw new MemoryFileSystemError(errors.code.EPERM, _path, operation);
+		}
+		let current = this.data;
+		let i = 0;
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, operation);
+			current = current[path[i]];
+		}
+		if(!testFn(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path, operation);
+		delete current[path[i]];
+		return;
+	}
+
+	rmdirSync(_path) {
+		return this._remove(_path, "Directory", isDir);
+	}
+
+	unlinkSync(_path) {
+		return this._remove(_path, "File", isFile);
+	}
+
+	readlinkSync(_path) {
+		throw new MemoryFileSystemError(errors.code.ENOSYS, _path, "readlink");
+	}
+
+	writeFileSync(_path, content, optionsOrEncoding) {
+		if(!content && !optionsOrEncoding) throw new Error("No content");
+		const path = pathToArray(_path);
+		if(path.length === 0) {
+			throw new MemoryFileSystemError(errors.code.EISDIR, _path, "writeFile");
+		}
+		let current = this.data;
+		let i = 0
+		for(; i < path.length - 1; i++) {
+			if(!isDir(current[path[i]]))
+				throw new MemoryFileSystemError(errors.code.ENOENT, _path, "writeFile");
+			current = current[path[i]];
+		}
+		if(isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.EISDIR, _path, "writeFile");
+		const encoding = typeof optionsOrEncoding === "object" ? optionsOrEncoding.encoding : optionsOrEncoding;
+		current[path[i]] = optionsOrEncoding || typeof content === "string" ? new Buffer(content, encoding) : content;
+		return;
+	}
+
+	// stream methods
+	createReadStream(path, options) {
+		let stream = new ReadableStream();
+		let done = false;
+		let data;
+		try {
+			data = this.readFileSync(path);
+		} catch (e) {
+			stream._read = function() {
+				if (done) {
+					return;
+				}
+				done = true;
+				this.emit('error', e);
+				this.push(null);
+			};
+			return stream;
+		}
+		options = options || { };
+		options.start = options.start || 0;
+		options.end = options.end || data.length;
+		stream._read = function() {
+			if (done) {
+				return;
+			}
+			done = true;
+			this.push(data.slice(options.start, options.end));
+			this.push(null);
+		};
+		return stream;
+	}
+
+	createWriteStream(path) {
+		let stream = new WritableStream();
+		try {
+			// Zero the file and make sure it is writable
+			this.writeFileSync(path, new Buffer(0));
+		} catch(e) {
+			// This or setImmediate?
+			stream.once('prefinish', function() {
+				stream.emit('error', e);
+			});
+			return stream;
+		}
+		let bl = [ ], len = 0;
+		stream._write = (chunk, encoding, callback) => {
+			bl.push(chunk);
+			len += chunk.length;
+			this.writeFile(path, Buffer.concat(bl, len), callback);
+		}
+		return stream;
+	}
+
+	// async functions
+	exists(path, callback) {
+		return callback(this.existsSync(path));
+	}
+
+	writeFile(path, content, encoding, callback) {
+		if(!callback) {
+			callback = encoding;
+			encoding = undefined;
+		}
+		try {
+			this.writeFileSync(path, content, encoding);
+		} catch(e) {
+			return callback(e);
+		}
+		return callback();
+	}
+}
+
+// async functions
+
+["stat", "readdir", "mkdirp", "rmdir", "unlink", "readlink"].forEach(function(fn) {
+	MemoryFileSystem.prototype[fn] = function(path, callback) {
+		let result;
+		try {
+			result = this[fn + "Sync"](path);
+		} catch(e) {
+			setImmediate(function() {
+				callback(e);
+			});
+
+			return;
+		}
+		setImmediate(function() {
+			callback(null, result);
+		});
+	};
+});
+
+["mkdir", "readFile"].forEach(function(fn) {
+	MemoryFileSystem.prototype[fn] = function(path, optArg, callback) {
+		if(!callback) {
+			callback = optArg;
+			optArg = undefined;
+		}
+		let result;
+		try {
+			result = this[fn + "Sync"](path, optArg);
+		} catch(e) {
+			setImmediate(function() {
+				callback(e);
+			});
+
+			return;
+		}
+		setImmediate(function() {
+			callback(null, result);
+		});
+	};
+});
+
+module.exports = MemoryFileSystem;
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystemError.js b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystemError.js
new file mode 100644
index 00000000..e2d79626
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/MemoryFileSystemError.js
@@ -0,0 +1,31 @@
+
+"use strict";
+
+class MemoryFileSystemError extends Error {
+	constructor(err, path, operation) {
+		super(err, path);
+
+		// Set `name` and `message` before call `Error.captureStackTrace` \
+		// so that we will obtain the correct 1st line of stack, like:
+		// [Error]: [Message]
+		this.name = this.constructor.name;
+		var message = [`${err.code}:`, `${err.description},`];
+		// Add operation name and path into message, similar to node `fs` style.
+		if(operation) {
+			message.push(operation);
+		}
+		message.push(`\'${path}\'`);
+		this.message = message.join(' ');
+
+		this.code = err.code;
+		this.errno = err.errno;
+		this.path = path;
+		this.operation = operation;
+
+		if(Error.captureStackTrace) {
+			Error.captureStackTrace(this, this.constructor);
+		}
+	}
+}
+
+module.exports = MemoryFileSystemError;
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/lib/join.js b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/join.js
new file mode 100644
index 00000000..962c0ae0
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/join.js
@@ -0,0 +1,16 @@
+"use strict";
+
+const normalize = require("./normalize");
+
+const absoluteWinRegExp = /^[A-Z]:([\\\/]|$)/i;
+const absoluteNixRegExp = /^\//i;
+
+module.exports = function join(path, request) {
+	if(!request) return normalize(path);
+	if(absoluteWinRegExp.test(request)) return normalize(request.replace(/\//g, "\\"));
+	if(absoluteNixRegExp.test(request)) return normalize(request);
+	if(path == "/") return normalize(path + request);
+	if(absoluteWinRegExp.test(path)) return normalize(path.replace(/\//g, "\\") + "\\" + request.replace(/\//g, "\\"));
+	if(absoluteNixRegExp.test(path)) return normalize(path + "/" + request);
+	return normalize(path + "/" + request);
+};
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/lib/normalize.js b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/normalize.js
new file mode 100644
index 00000000..a0307bc2
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/lib/normalize.js
@@ -0,0 +1,99 @@
+"use strict";
+
+// eslint-disable-next-line complexity
+module.exports = function normalize(path) {
+	var parts = path.split(/(\\+|\/+)/);
+	if(parts.length === 1)
+		return path;
+	var result = [];
+	var absolutePathStart = 0;
+	for(var i = 0, sep = false; i < parts.length; i += 1, sep = !sep) {
+		var part = parts[i];
+		if(i === 0 && /^([A-Z]:)?$/i.test(part)) {
+			result.push(part);
+			absolutePathStart = 2;
+		} else if(sep) {
+			// UNC paths on Windows begin with a double backslash.
+			if (i === 1 && parts[0].length === 0 && part === "\\\\") {
+				result.push(part);
+			} else {
+				result.push(part[0]);
+			}
+		} else if(part === "..") {
+			switch(result.length) {
+				case 0:
+					// i. e. ".." => ".."
+					// i. e. "../a/b/c" => "../a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/.." => ""
+					// i. e. "/.." => "/"
+					// i. e. "C:\.." => "C:\"
+					// i. e. "a/../b/c" => "b/c"
+					// i. e. "/../b/c" => "/b/c"
+					// i. e. "C:\..\a\b\c" => "C:\a\b\c"
+					if (result[0] !== ".") {
+						i += 1;
+						sep = !sep;
+						result.length = absolutePathStart;
+					} else {
+						result.length = 0;
+						result.push(part);
+					}
+					break;
+				case 4:
+					// i. e. "a/b/.." => "a"
+					// i. e. "/a/.." => "/"
+					// i. e. "C:\a\.." => "C:\"
+					// i. e. "/a/../b/c" => "/b/c"
+					if(absolutePathStart === 0) {
+						result.length -= 3;
+					} else {
+						i += 1;
+						sep = !sep;
+						result.length = 2;
+					}
+					break;
+				default:
+					// i. e. "/a/b/.." => "/a"
+					// i. e. "/a/b/../c" => "/a/c"
+					result.length -= 3;
+					break;
+			}
+		} else if(part === ".") {
+			switch(result.length) {
+				case 0:
+					// i. e. "." => "."
+					// i. e. "./a/b/c" => "./a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/." => "a"
+					// i. e. "/." => "/"
+					// i. e. "C:\." => "C:\"
+					// i. e. "C:\.\a\b\c" => "C:\a\b\c"
+					if(absolutePathStart === 0) {
+						result.length -= 1;
+					} else {
+						i += 1;
+						sep = !sep;
+					}
+					break;
+				default:
+					// i. e. "a/b/." => "a/b"
+					// i. e. "/a/." => "/"
+					// i. e. "C:\a\." => "C:\"
+					// i. e. "a/./b/c" => "a/b/c"
+					// i. e. "/a/./b/c" => "/a/b/c"
+					result.length -= 1;
+					break;
+			}
+		} else if(part) {
+			result.push(part);
+		}
+	}
+	if(result.length === 1 && /^[A-Za-z]:$/.test(result[0]))
+		return result[0] + "\\";
+	return result.join("");
+};
diff --git a/node_modules/enhanced-resolve/node_modules/memory-fs/package.json b/node_modules/enhanced-resolve/node_modules/memory-fs/package.json
new file mode 100644
index 00000000..38d6fb05
--- /dev/null
+++ b/node_modules/enhanced-resolve/node_modules/memory-fs/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "memory-fs",
+  "version": "0.5.0",
+  "description": "A simple in-memory filesystem. Holds data in a javascript object.",
+  "main": "lib/MemoryFileSystem.js",
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "lint": "eslint lib/*",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha",
+    "travis": "npm run cover -- --report lcovonly && npm run lint"
+  },
+  "engines": {
+    "node": ">=4.3.0 <5.0.0 || >=5.10"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/memory-fs.git"
+  },
+  "keywords": [
+    "fs",
+    "memory"
+  ],
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/memory-fs/issues"
+  },
+  "homepage": "https://github.com/webpack/memory-fs",
+  "devDependencies": {
+    "bl": "^1.0.0",
+    "codecov.io": "^0.1.4",
+    "coveralls": "^2.11.2",
+    "eslint": "^4.0.0",
+    "istanbul": "0.4.5",
+    "mocha": "3.2.0",
+    "should": "^4.0.4"
+  },
+  "dependencies": {
+    "errno": "^0.1.3",
+    "readable-stream": "^2.0.1"
+  }
+}
diff --git a/node_modules/enhanced-resolve/package.json b/node_modules/enhanced-resolve/package.json
new file mode 100644
index 00000000..244a051c
--- /dev/null
+++ b/node_modules/enhanced-resolve/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "enhanced-resolve",
+  "version": "4.5.0",
+  "author": "Tobias Koppers @sokra",
+  "description": "Offers a async require.resolve function. It's highly configurable.",
+  "files": [
+    "lib",
+    "LICENSE"
+  ],
+  "dependencies": {
+    "graceful-fs": "^4.1.2",
+    "memory-fs": "^0.5.0",
+    "tapable": "^1.0.0"
+  },
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://www.opensource.org/licenses/mit-license.php"
+    }
+  ],
+  "devDependencies": {
+    "codecov.io": "^0.1.6",
+    "coveralls": "^2.11.6",
+    "eslint": "^5.9.0",
+    "eslint-config-prettier": "^3.3.0",
+    "eslint-plugin-node": "^8.0.0",
+    "eslint-plugin-prettier": "^3.0.0",
+    "husky": "^1.2.0",
+    "istanbul": "^0.4.1",
+    "lint-staged": "^8.1.0",
+    "mocha": "^2.3.4",
+    "prettier": "^1.15.2",
+    "should": "^8.0.2"
+  },
+  "engines": {
+    "node": ">=6.9.0"
+  },
+  "main": "lib/node.js",
+  "homepage": "http://github.com/webpack/enhanced-resolve",
+  "scripts": {
+    "lint": "eslint lib test",
+    "pretty": "prettier --loglevel warn --write \"{lib,test}/**/*.{js,json}\"",
+    "pretest": "yarn lint",
+    "test": "mocha --full-trace --check-leaks",
+    "precover": "yarn lint",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha",
+    "travis": "yarn cover --report lcovonly"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --cache"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/webpack/enhanced-resolve.git"
+  }
+}
diff --git a/node_modules/errno/.jshintrc b/node_modules/errno/.jshintrc
new file mode 100644
index 00000000..c8ef3ca4
--- /dev/null
+++ b/node_modules/errno/.jshintrc
@@ -0,0 +1,59 @@
+{
+    "predef": [ ]
+  , "bitwise": false
+  , "camelcase": false
+  , "curly": false
+  , "eqeqeq": false
+  , "forin": false
+  , "immed": false
+  , "latedef": false
+  , "noarg": true
+  , "noempty": true
+  , "nonew": true
+  , "plusplus": false
+  , "quotmark": true
+  , "regexp": false
+  , "undef": true
+  , "unused": true
+  , "strict": false
+  , "trailing": true
+  , "maxlen": 120
+  , "asi": true
+  , "boss": true
+  , "debug": true
+  , "eqnull": true
+  , "esnext": true
+  , "evil": true
+  , "expr": true
+  , "funcscope": false
+  , "globalstrict": false
+  , "iterator": false
+  , "lastsemic": true
+  , "laxbreak": true
+  , "laxcomma": true
+  , "loopfunc": true
+  , "multistr": false
+  , "onecase": false
+  , "proto": false
+  , "regexdash": false
+  , "scripturl": true
+  , "smarttabs": false
+  , "shadow": false
+  , "sub": true
+  , "supernew": false
+  , "validthis": true
+  , "browser": true
+  , "couch": false
+  , "devel": false
+  , "dojo": false
+  , "mootools": false
+  , "node": true
+  , "nonstandard": true
+  , "prototypejs": false
+  , "rhino": false
+  , "worker": true
+  , "wsh": false
+  , "nomen": false
+  , "onevar": false
+  , "passfail": false
+}
\ No newline at end of file
diff --git a/node_modules/errno/.travis.yml b/node_modules/errno/.travis.yml
new file mode 100644
index 00000000..9c068879
--- /dev/null
+++ b/node_modules/errno/.travis.yml
@@ -0,0 +1,19 @@
+sudo: false
+
+language: node_js
+
+node_js:
+  - 14
+  - 12
+  - 10
+  - 9
+  - 8
+  - 7
+  - 6
+  - 5
+  - 4
+
+arch:
+  - amd64
+  - ppc64le
+  
diff --git a/node_modules/errno/README.md b/node_modules/errno/README.md
new file mode 100644
index 00000000..a4d0fb54
--- /dev/null
+++ b/node_modules/errno/README.md
@@ -0,0 +1,145 @@
+# node-errno
+
+> Better [libuv](https://github.com/libuv/libuv)/[Node.js](https://nodejs.org)/[io.js](https://iojs.org) error handling & reporting. Available in npm as *errno*.
+
+[![npm](https://img.shields.io/npm/v/errno.svg)](https://www.npmjs.com/package/errno)
+[![Build Status](https://secure.travis-ci.org/rvagg/node-errno.png)](http://travis-ci.org/rvagg/node-errno)
+[![npm](https://img.shields.io/npm/dm/errno.svg)](https://www.npmjs.com/package/errno)
+
+* [errno exposed](#errnoexposed)
+* [Custom errors](#customerrors)
+
+<a name="errnoexposed"></a>
+## errno exposed
+
+Ever find yourself needing more details about Node.js errors? Me too, so *node-errno* contains the errno mappings direct from libuv so you can use them in your code.
+
+**By errno:**
+
+```js
+require('errno').errno[3]
+// → {
+//     "errno": 3,
+//     "code": "EACCES",
+//     "description": "permission denied"
+//   }
+```
+
+**By code:**
+
+```js
+require('errno').code.ENOTEMPTY
+// → {
+//     "errno": 53,
+//     "code": "ENOTEMPTY",
+//     "description": "directory not empty"
+//   }
+```
+
+**Make your errors more descriptive:**
+
+```js
+var errno = require('errno')
+
+function errmsg(err) {
+  var str = 'Error: '
+  // if it's a libuv error then get the description from errno
+  if (errno.errno[err.errno])
+    str += errno.errno[err.errno].description
+  else
+    str += err.message
+
+  // if it's a `fs` error then it'll have a 'path' property
+  if (err.path)
+    str += ' [' + err.path + ']'
+
+  return str
+}
+
+var fs = require('fs')
+
+fs.readFile('thisisnotarealfile.txt', function (err, data) {
+  if (err)
+    console.log(errmsg(err))
+})
+```
+
+**Use as a command line tool:**
+
+```
+~ $ errno 53
+{
+  "errno": 53,
+  "code": "ENOTEMPTY",
+  "description": "directory not empty"
+}
+~ $ errno EROFS
+{
+  "errno": 56,
+  "code": "EROFS",
+  "description": "read-only file system"
+}
+~ $ errno foo
+No such errno/code: "foo"
+```
+
+Supply no arguments for the full list. Error codes are processed case-insensitive.
+
+You will need to install with `npm install errno -g` if you want the `errno` command to be available without supplying a full path to the node_modules installation.
+
+<a name="customerrors"></a>
+## Custom errors
+
+Use `errno.custom.createError()` to create custom `Error` objects to throw around in your Node.js library. Create error hierarchies so `instanceof` becomes a useful tool in tracking errors. Call-stack is correctly captured at the time you create an instance of the error object, plus a `cause` property will make available the original error object if you pass one in to the constructor.
+
+```js
+var create = require('errno').custom.createError
+var MyError = create('MyError') // inherits from Error
+var SpecificError = create('SpecificError', MyError) // inherits from MyError
+var OtherError = create('OtherError', MyError)
+
+// use them!
+if (condition) throw new SpecificError('Eeek! Something bad happened')
+
+if (err) return callback(new OtherError(err))
+```
+
+Also available is a `errno.custom.FilesystemError` with in-built access to errno properties:
+
+```js
+fs.readFile('foo', function (err, data) {
+  if (err) return callback(new errno.custom.FilesystemError(err))
+  // do something else
+})
+```
+
+The resulting error object passed through the callback will have the following properties: `code`, `errno`, `path` and `message` will contain a descriptive human-readable message.
+
+## Contributors
+
+* [bahamas10](https://github.com/bahamas10) (Dave Eddy) - Added CLI
+* [ralphtheninja](https://github.com/ralphtheninja) (Lars-Magnus Skog)
+
+## Copyright & Licence
+
+*Copyright (c) 2012-2015 [Rod Vagg](https://github.com/rvagg) ([@rvagg](https://twitter.com/rvagg))*
+
+Made available under the MIT licence:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/errno/build.js b/node_modules/errno/build.js
new file mode 100644
index 00000000..fce89260
--- /dev/null
+++ b/node_modules/errno/build.js
@@ -0,0 +1,43 @@
+#!/usr/bin/env node
+
+var request   = require('request')
+  , fs        = require('fs')
+
+  , uvheadloc = 'https://raw.github.com/joyent/libuv/master/include/uv.h'
+  , defreg    = /^\s*XX\(\s*([\-\d]+),\s*([A-Z]+),\s*"([^"]*)"\s*\)\s*\\?$/
+
+
+request(uvheadloc, function (err, response) {
+  if (err)
+    throw err
+
+  var data, out
+
+  data = response.body
+    .split('\n')
+    .map(function (line) { return line.match(defreg) })
+    .filter(function (match) { return match })
+    .map(function (match) { return {
+        errno: parseInt(match[1], 10)
+      , code: match[2]
+      , description: match[3]
+    }})
+
+  out = 'var all = module.exports.all = ' + JSON.stringify(data, 0, 1) + '\n\n'
+
+  out += '\nmodule.exports.errno = {\n    '
+    + data.map(function (e, i) {
+        return '\'' + e.errno + '\': all[' + i + ']'
+      }).join('\n  , ')
+    + '\n}\n\n'
+
+  out += '\nmodule.exports.code = {\n    '
+    + data.map(function (e, i) {
+        return '\'' + e.code + '\': all[' + i + ']'
+      }).join('\n  , ')
+    + '\n}\n\n'
+
+  out += '\nmodule.exports.custom = require("./custom")(module.exports)\n'
+
+  fs.writeFile('errno.js', out)
+})
\ No newline at end of file
diff --git a/node_modules/errno/cli.js b/node_modules/errno/cli.js
new file mode 100644
index 00000000..61d179bb
--- /dev/null
+++ b/node_modules/errno/cli.js
@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+
+var errno = require('./')
+  , arg   = process.argv[2]
+  , data, code
+
+if (arg === undefined) {
+  console.log(JSON.stringify(errno.code, null, 2))
+  process.exit(0)
+}
+
+if ((code = +arg) == arg)
+  data = errno.errno[code]
+else
+  data = errno.code[arg] || errno.code[arg.toUpperCase()]
+
+if (data)
+  console.log(JSON.stringify(data, null, 2))
+else {
+  console.error('No such errno/code: "' + arg + '"')
+  process.exit(1)
+}
diff --git a/node_modules/errno/custom.js b/node_modules/errno/custom.js
new file mode 100644
index 00000000..ca8c1d8d
--- /dev/null
+++ b/node_modules/errno/custom.js
@@ -0,0 +1,57 @@
+var prr = require('prr')
+
+function init (type, message, cause) {
+  if (!!message && typeof message != 'string') {
+    message = message.message || message.name
+  }
+  prr(this, {
+      type    : type
+    , name    : type
+      // can be passed just a 'cause'
+    , cause   : typeof message != 'string' ? message : cause
+    , message : message
+  }, 'ewr')
+}
+
+// generic prototype, not intended to be actually used - helpful for `instanceof`
+function CustomError (message, cause) {
+  Error.call(this)
+  if (Error.captureStackTrace)
+    Error.captureStackTrace(this, this.constructor)
+  init.call(this, 'CustomError', message, cause)
+}
+
+CustomError.prototype = new Error()
+
+function createError (errno, type, proto) {
+  var err = function (message, cause) {
+    init.call(this, type, message, cause)
+    //TODO: the specificity here is stupid, errno should be available everywhere
+    if (type == 'FilesystemError') {
+      this.code    = this.cause.code
+      this.path    = this.cause.path
+      this.errno   = this.cause.errno
+      this.message =
+        (errno.errno[this.cause.errno]
+          ? errno.errno[this.cause.errno].description
+          : this.cause.message)
+        + (this.cause.path ? ' [' + this.cause.path + ']' : '')
+    }
+    Error.call(this)
+    if (Error.captureStackTrace)
+      Error.captureStackTrace(this, err)
+  }
+  err.prototype = !!proto ? new proto() : new CustomError()
+  return err
+}
+
+module.exports = function (errno) {
+  var ce = function (type, proto) {
+    return createError(errno, type, proto)
+  }
+  return {
+      CustomError     : CustomError
+    , FilesystemError : ce('FilesystemError')
+    , createError     : ce
+  }
+}
diff --git a/node_modules/errno/errno.js b/node_modules/errno/errno.js
new file mode 100644
index 00000000..efb79d41
--- /dev/null
+++ b/node_modules/errno/errno.js
@@ -0,0 +1,313 @@
+var all = module.exports.all = [
+  {
+    errno: -2,
+    code: 'ENOENT',
+    description: 'no such file or directory'
+  },
+  {
+    errno: -1,
+    code: 'UNKNOWN',
+    description: 'unknown error'
+  },
+  {
+    errno: 0,
+    code: 'OK',
+    description: 'success'
+  },
+  {
+    errno: 1,
+    code: 'EOF',
+    description: 'end of file'
+  },
+  {
+    errno: 2,
+    code: 'EADDRINFO',
+    description: 'getaddrinfo error'
+  },
+  {
+    errno: 3,
+    code: 'EACCES',
+    description: 'permission denied'
+  },
+  {
+    errno: 4,
+    code: 'EAGAIN',
+    description: 'resource temporarily unavailable'
+  },
+  {
+    errno: 5,
+    code: 'EADDRINUSE',
+    description: 'address already in use'
+  },
+  {
+    errno: 6,
+    code: 'EADDRNOTAVAIL',
+    description: 'address not available'
+  },
+  {
+    errno: 7,
+    code: 'EAFNOSUPPORT',
+    description: 'address family not supported'
+  },
+  {
+    errno: 8,
+    code: 'EALREADY',
+    description: 'connection already in progress'
+  },
+  {
+    errno: 9,
+    code: 'EBADF',
+    description: 'bad file descriptor'
+  },
+  {
+    errno: 10,
+    code: 'EBUSY',
+    description: 'resource busy or locked'
+  },
+  {
+    errno: 11,
+    code: 'ECONNABORTED',
+    description: 'software caused connection abort'
+  },
+  {
+    errno: 12,
+    code: 'ECONNREFUSED',
+    description: 'connection refused'
+  },
+  {
+    errno: 13,
+    code: 'ECONNRESET',
+    description: 'connection reset by peer'
+  },
+  {
+    errno: 14,
+    code: 'EDESTADDRREQ',
+    description: 'destination address required'
+  },
+  {
+    errno: 15,
+    code: 'EFAULT',
+    description: 'bad address in system call argument'
+  },
+  {
+    errno: 16,
+    code: 'EHOSTUNREACH',
+    description: 'host is unreachable'
+  },
+  {
+    errno: 17,
+    code: 'EINTR',
+    description: 'interrupted system call'
+  },
+  {
+    errno: 18,
+    code: 'EINVAL',
+    description: 'invalid argument'
+  },
+  {
+    errno: 19,
+    code: 'EISCONN',
+    description: 'socket is already connected'
+  },
+  {
+    errno: 20,
+    code: 'EMFILE',
+    description: 'too many open files'
+  },
+  {
+    errno: 21,
+    code: 'EMSGSIZE',
+    description: 'message too long'
+  },
+  {
+    errno: 22,
+    code: 'ENETDOWN',
+    description: 'network is down'
+  },
+  {
+    errno: 23,
+    code: 'ENETUNREACH',
+    description: 'network is unreachable'
+  },
+  {
+    errno: 24,
+    code: 'ENFILE',
+    description: 'file table overflow'
+  },
+  {
+    errno: 25,
+    code: 'ENOBUFS',
+    description: 'no buffer space available'
+  },
+  {
+    errno: 26,
+    code: 'ENOMEM',
+    description: 'not enough memory'
+  },
+  {
+    errno: 27,
+    code: 'ENOTDIR',
+    description: 'not a directory'
+  },
+  {
+    errno: 28,
+    code: 'EISDIR',
+    description: 'illegal operation on a directory'
+  },
+  {
+    errno: 29,
+    code: 'ENONET',
+    description: 'machine is not on the network'
+  },
+  {
+    errno: 31,
+    code: 'ENOTCONN',
+    description: 'socket is not connected'
+  },
+  {
+    errno: 32,
+    code: 'ENOTSOCK',
+    description: 'socket operation on non-socket'
+  },
+  {
+    errno: 33,
+    code: 'ENOTSUP',
+    description: 'operation not supported on socket'
+  },
+  {
+    errno: 34,
+    code: 'ENOENT',
+    description: 'no such file or directory'
+  },
+  {
+    errno: 35,
+    code: 'ENOSYS',
+    description: 'function not implemented'
+  },
+  {
+    errno: 36,
+    code: 'EPIPE',
+    description: 'broken pipe'
+  },
+  {
+    errno: 37,
+    code: 'EPROTO',
+    description: 'protocol error'
+  },
+  {
+    errno: 38,
+    code: 'EPROTONOSUPPORT',
+    description: 'protocol not supported'
+  },
+  {
+    errno: 39,
+    code: 'EPROTOTYPE',
+    description: 'protocol wrong type for socket'
+  },
+  {
+    errno: 40,
+    code: 'ETIMEDOUT',
+    description: 'connection timed out'
+  },
+  {
+    errno: 41,
+    code: 'ECHARSET',
+    description: 'invalid Unicode character'
+  },
+  {
+    errno: 42,
+    code: 'EAIFAMNOSUPPORT',
+    description: 'address family for hostname not supported'
+  },
+  {
+    errno: 44,
+    code: 'EAISERVICE',
+    description: 'servname not supported for ai_socktype'
+  },
+  {
+    errno: 45,
+    code: 'EAISOCKTYPE',
+    description: 'ai_socktype not supported'
+  },
+  {
+    errno: 46,
+    code: 'ESHUTDOWN',
+    description: 'cannot send after transport endpoint shutdown'
+  },
+  {
+    errno: 47,
+    code: 'EEXIST',
+    description: 'file already exists'
+  },
+  {
+    errno: 48,
+    code: 'ESRCH',
+    description: 'no such process'
+  },
+  {
+    errno: 49,
+    code: 'ENAMETOOLONG',
+    description: 'name too long'
+  },
+  {
+    errno: 50,
+    code: 'EPERM',
+    description: 'operation not permitted'
+  },
+  {
+    errno: 51,
+    code: 'ELOOP',
+    description: 'too many symbolic links encountered'
+  },
+  {
+    errno: 52,
+    code: 'EXDEV',
+    description: 'cross-device link not permitted'
+  },
+  {
+    errno: 53,
+    code: 'ENOTEMPTY',
+    description: 'directory not empty'
+  },
+  {
+    errno: 54,
+    code: 'ENOSPC',
+    description: 'no space left on device'
+  },
+  {
+    errno: 55,
+    code: 'EIO',
+    description: 'i/o error'
+  },
+  {
+    errno: 56,
+    code: 'EROFS',
+    description: 'read-only file system'
+  },
+  {
+    errno: 57,
+    code: 'ENODEV',
+    description: 'no such device'
+  },
+  {
+    errno: 58,
+    code: 'ESPIPE',
+    description: 'invalid seek'
+  },
+  {
+    errno: 59,
+    code: 'ECANCELED',
+    description: 'operation canceled'
+  }
+]
+
+module.exports.errno = {}
+module.exports.code = {}
+
+all.forEach(function (error) {
+  module.exports.errno[error.errno] = error
+  module.exports.code[error.code] = error
+})
+
+module.exports.custom = require('./custom')(module.exports)
+module.exports.create = module.exports.custom.createError
diff --git a/node_modules/errno/package.json b/node_modules/errno/package.json
new file mode 100644
index 00000000..eee3e559
--- /dev/null
+++ b/node_modules/errno/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "errno",
+  "authors": [
+    "Rod Vagg @rvagg <rod@vagg.org> (https://github.com/rvagg)"
+  ],
+  "description": "libuv errno details exposed",
+  "keywords": [
+    "errors",
+    "errno",
+    "libuv"
+  ],
+  "version": "0.1.8",
+  "main": "errno.js",
+  "dependencies": {
+    "prr": "~1.0.1"
+  },
+  "bin": {
+    "errno": "./cli.js"
+  },
+  "devDependencies": {
+    "error-stack-parser": "^2.0.1",
+    "inherits": "^2.0.3",
+    "tape": "~4.8.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/node-errno.git"
+  },
+  "license": "MIT",
+  "scripts": {
+    "test": "node --use_strict test.js"
+  }
+}
diff --git a/node_modules/errno/test.js b/node_modules/errno/test.js
new file mode 100644
index 00000000..1c046357
--- /dev/null
+++ b/node_modules/errno/test.js
@@ -0,0 +1,88 @@
+var test             = require('tape')
+  , inherits         = require('inherits')
+  , ErrorStackParser = require('error-stack-parser')
+  , errno            = require('./')
+
+test('sanity checks', function (t) {
+  t.ok(errno.all, 'errno.all not found')
+  t.ok(errno.errno, 'errno.errno not found')
+  t.ok(errno.code, 'errno.code not found')
+
+  t.equal(errno.all.length, 60, 'found ' + errno.all.length + ', expected 60')
+  t.equal(errno.errno['-1'], errno.all[1], 'errno -1 not second element')
+
+  t.equal(errno.code['UNKNOWN'], errno.all[1], 'code UNKNOWN not second element')
+
+  t.equal(errno.errno[1], errno.all[3], 'errno 1 not fourth element')
+
+  t.equal(errno.code['EOF'], errno.all[3], 'code EOF not fourth element')
+  t.end()
+})
+
+test('custom errors', function (t) {
+  const Cust = errno.create('FooNotBarError')
+  const cust = new Cust('foo is not bar')
+
+  t.equal(cust.name, 'FooNotBarError', 'correct custom name')
+  t.equal(cust.type, 'FooNotBarError', 'correct custom type')
+  t.equal(cust.message, 'foo is not bar', 'correct custom message')
+  t.notOk(cust.cause, 'no cause')
+  t.end()
+})
+
+test('callstack', function (t) {
+  const MyError = errno.create('MyError')
+
+  function lastFunction (ErrorType, cb) {
+    process.nextTick(cb, new ErrorType('oh noes!'))
+  }
+
+  function secondLastFunction (ErrorType, cb) {
+    lastFunction(ErrorType, cb)
+  }
+
+  function testFrames (t) {
+    return function (err) {
+      const stack = ErrorStackParser.parse(err)
+      t.same(stack[0].functionName, 'lastFunction', 'last stack frame ok')
+      t.same(stack[1].functionName, 'secondLastFunction', 'second last stack frame ok')
+      t.end()
+    }
+  }
+
+  t.test('custom error, default prototype', function (t) {
+    secondLastFunction(MyError, testFrames(t))
+  })
+
+  t.test('custom error, custom prototype', function (t) {
+    const MyError2 = errno.create('MyError2', MyError)
+    secondLastFunction(MyError2, testFrames(t))
+  })
+
+  t.test('custom error, using inheritance', function (t) {
+    const CustomError = errno.custom.CustomError
+
+    function MyError3 (message, cause) {
+      CustomError.call(this, message, cause)
+    }
+
+    inherits(MyError3, CustomError)
+
+    secondLastFunction(MyError3, testFrames(t))
+  })
+})
+
+test('error without message', function (t) {
+  const Cust = errno.create('WriteError')
+  const cust = new Cust({
+    code: 22,
+    message: '',
+    name: 'QuotaExceededError'
+  })
+
+  t.equal(cust.name, 'WriteError', 'correct custom name')
+  t.equal(cust.type, 'WriteError', 'correct custom type')
+  t.equal(cust.message, 'QuotaExceededError', 'message is the name')
+  t.notOk(cust.cause, 'no cause')
+  t.end()
+})
diff --git a/node_modules/es-define-property/.eslintrc b/node_modules/es-define-property/.eslintrc
new file mode 100644
index 00000000..46f3b120
--- /dev/null
+++ b/node_modules/es-define-property/.eslintrc
@@ -0,0 +1,13 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+}
diff --git a/node_modules/es-define-property/.github/FUNDING.yml b/node_modules/es-define-property/.github/FUNDING.yml
new file mode 100644
index 00000000..4445451f
--- /dev/null
+++ b/node_modules/es-define-property/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/es-define-property
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/es-define-property/.nycrc b/node_modules/es-define-property/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/es-define-property/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/es-define-property/CHANGELOG.md b/node_modules/es-define-property/CHANGELOG.md
new file mode 100644
index 00000000..5f60cc09
--- /dev/null
+++ b/node_modules/es-define-property/CHANGELOG.md
@@ -0,0 +1,29 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.1](https://github.com/ljharb/es-define-property/compare/v1.0.0...v1.0.1) - 2024-12-06
+
+### Commits
+
+- [types] use shared tsconfig [`954a663`](https://github.com/ljharb/es-define-property/commit/954a66360326e508a0e5daa4b07493d58f5e110e)
+- [actions] split out node 10-20, and 20+ [`3a8e84b`](https://github.com/ljharb/es-define-property/commit/3a8e84b23883f26ff37b3e82ff283834228e18c6)
+- [Dev Deps] update `@ljharb/eslint-config`, `@ljharb/tsconfig`, `@types/get-intrinsic`, `@types/tape`, `auto-changelog`, `gopd`, `tape` [`86ae27b`](https://github.com/ljharb/es-define-property/commit/86ae27bb8cc857b23885136fad9cbe965ae36612)
+- [Refactor] avoid using `get-intrinsic` [`02480c0`](https://github.com/ljharb/es-define-property/commit/02480c0353ef6118965282977c3864aff53d98b1)
+- [Tests] replace `aud` with `npm audit` [`f6093ff`](https://github.com/ljharb/es-define-property/commit/f6093ff74ab51c98015c2592cd393bd42478e773)
+- [Tests] configure testling [`7139e66`](https://github.com/ljharb/es-define-property/commit/7139e66959247a56086d9977359caef27c6849e7)
+- [Dev Deps] update `tape` [`b901b51`](https://github.com/ljharb/es-define-property/commit/b901b511a75e001a40ce1a59fef7d9ffcfc87482)
+- [Tests] fix types in tests [`469d269`](https://github.com/ljharb/es-define-property/commit/469d269fd141b1e773ec053a9fa35843493583e0)
+- [Dev Deps] add missing peer dep [`733acfb`](https://github.com/ljharb/es-define-property/commit/733acfb0c4c96edf337e470b89a25a5b3724c352)
+
+## v1.0.0 - 2024-02-12
+
+### Commits
+
+- Initial implementation, tests, readme, types [`3e154e1`](https://github.com/ljharb/es-define-property/commit/3e154e11a2fee09127220f5e503bf2c0a31dd480)
+- Initial commit [`07d98de`](https://github.com/ljharb/es-define-property/commit/07d98de34a4dc31ff5e83a37c0c3f49e0d85cd50)
+- npm init [`c4eb634`](https://github.com/ljharb/es-define-property/commit/c4eb6348b0d3886aac36cef34ad2ee0665ea6f3e)
+- Only apps should have lockfiles [`7af86ec`](https://github.com/ljharb/es-define-property/commit/7af86ec1d311ec0b17fdfe616a25f64276903856)
diff --git a/node_modules/es-define-property/LICENSE b/node_modules/es-define-property/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/es-define-property/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/es-define-property/README.md b/node_modules/es-define-property/README.md
new file mode 100644
index 00000000..9b291bdd
--- /dev/null
+++ b/node_modules/es-define-property/README.md
@@ -0,0 +1,49 @@
+# es-define-property <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+`Object.defineProperty`, but not IE 8's broken one.
+
+## Example
+
+```js
+const assert = require('assert');
+
+const $defineProperty = require('es-define-property');
+
+if ($defineProperty) {
+    assert.equal($defineProperty, Object.defineProperty);
+} else if (Object.defineProperty) {
+    assert.equal($defineProperty, false, 'this is IE 8');
+} else {
+    assert.equal($defineProperty, false, 'this is an ES3 engine');
+}
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/es-define-property
+[npm-version-svg]: https://versionbadg.es/ljharb/es-define-property.svg
+[deps-svg]: https://david-dm.org/ljharb/es-define-property.svg
+[deps-url]: https://david-dm.org/ljharb/es-define-property
+[dev-deps-svg]: https://david-dm.org/ljharb/es-define-property/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/es-define-property#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/es-define-property.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/es-define-property.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-define-property.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=es-define-property
+[codecov-image]: https://codecov.io/gh/ljharb/es-define-property/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/es-define-property/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/es-define-property
+[actions-url]: https://github.com/ljharb/es-define-property/actions
diff --git a/node_modules/es-define-property/index.d.ts b/node_modules/es-define-property/index.d.ts
new file mode 100644
index 00000000..6012247c
--- /dev/null
+++ b/node_modules/es-define-property/index.d.ts
@@ -0,0 +1,3 @@
+declare const defineProperty: false | typeof Object.defineProperty;
+
+export = defineProperty;
\ No newline at end of file
diff --git a/node_modules/es-define-property/index.js b/node_modules/es-define-property/index.js
new file mode 100644
index 00000000..e0a29251
--- /dev/null
+++ b/node_modules/es-define-property/index.js
@@ -0,0 +1,14 @@
+'use strict';
+
+/** @type {import('.')} */
+var $defineProperty = Object.defineProperty || false;
+if ($defineProperty) {
+	try {
+		$defineProperty({}, 'a', { value: 1 });
+	} catch (e) {
+		// IE 8 has a broken defineProperty
+		$defineProperty = false;
+	}
+}
+
+module.exports = $defineProperty;
diff --git a/node_modules/es-define-property/package.json b/node_modules/es-define-property/package.json
new file mode 100644
index 00000000..fbed1878
--- /dev/null
+++ b/node_modules/es-define-property/package.json
@@ -0,0 +1,81 @@
+{
+	"name": "es-define-property",
+	"version": "1.0.1",
+	"description": "`Object.defineProperty`, but not IE 8's broken one.",
+	"main": "index.js",
+	"types": "./index.d.ts",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/es-define-property.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"object",
+		"define",
+		"property",
+		"defineProperty",
+		"Object.defineProperty"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/es-define-property/issues"
+	},
+	"homepage": "https://github.com/ljharb/es-define-property#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/gopd": "^1.0.3",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"gopd": "^1.2.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/es-define-property/test/index.js b/node_modules/es-define-property/test/index.js
new file mode 100644
index 00000000..b4b4688f
--- /dev/null
+++ b/node_modules/es-define-property/test/index.js
@@ -0,0 +1,56 @@
+'use strict';
+
+var $defineProperty = require('../');
+
+var test = require('tape');
+var gOPD = require('gopd');
+
+test('defineProperty: supported', { skip: !$defineProperty }, function (t) {
+	t.plan(4);
+
+	t.equal(typeof $defineProperty, 'function', 'defineProperty is supported');
+	if ($defineProperty && gOPD) { // this `if` check is just to shut TS up
+		/** @type {{ a: number, b?: number, c?: number }} */
+		var o = { a: 1 };
+
+		$defineProperty(o, 'b', { enumerable: true, value: 2 });
+		t.deepEqual(
+			gOPD(o, 'b'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: 2,
+				writable: false
+			},
+			'property descriptor is as expected'
+		);
+
+		$defineProperty(o, 'c', { enumerable: false, value: 3, writable: true });
+		t.deepEqual(
+			gOPD(o, 'c'),
+			{
+				configurable: false,
+				enumerable: false,
+				value: 3,
+				writable: true
+			},
+			'property descriptor is as expected'
+		);
+	}
+
+	t.equal($defineProperty, Object.defineProperty, 'defineProperty is Object.defineProperty');
+
+	t.end();
+});
+
+test('defineProperty: not supported', { skip: !!$defineProperty }, function (t) {
+	t.notOk($defineProperty, 'defineProperty is not supported');
+
+	t.match(
+		typeof $defineProperty,
+		/^(?:undefined|boolean)$/,
+		'`typeof defineProperty` is `undefined` or `boolean`'
+	);
+
+	t.end();
+});
diff --git a/node_modules/es-define-property/tsconfig.json b/node_modules/es-define-property/tsconfig.json
new file mode 100644
index 00000000..5a49992e
--- /dev/null
+++ b/node_modules/es-define-property/tsconfig.json
@@ -0,0 +1,10 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2022",
+	},
+	"exclude": [
+		"coverage",
+		"test/list-exports"
+	],
+}
diff --git a/node_modules/es-errors/.eslintrc b/node_modules/es-errors/.eslintrc
new file mode 100644
index 00000000..3b5d9e90
--- /dev/null
+++ b/node_modules/es-errors/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/node_modules/es-errors/.github/FUNDING.yml b/node_modules/es-errors/.github/FUNDING.yml
new file mode 100644
index 00000000..f1b88055
--- /dev/null
+++ b/node_modules/es-errors/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/es-errors
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/es-errors/CHANGELOG.md b/node_modules/es-errors/CHANGELOG.md
new file mode 100644
index 00000000..204a9e90
--- /dev/null
+++ b/node_modules/es-errors/CHANGELOG.md
@@ -0,0 +1,40 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.3.0](https://github.com/ljharb/es-errors/compare/v1.2.1...v1.3.0) - 2024-02-05
+
+### Commits
+
+- [New] add `EvalError` and `URIError` [`1927627`](https://github.com/ljharb/es-errors/commit/1927627ba68cb6c829d307231376c967db53acdf)
+
+## [v1.2.1](https://github.com/ljharb/es-errors/compare/v1.2.0...v1.2.1) - 2024-02-04
+
+### Commits
+
+- [Fix] add missing `exports` entry [`5bb5f28`](https://github.com/ljharb/es-errors/commit/5bb5f280f98922701109d6ebb82eea2257cecc7e)
+
+## [v1.2.0](https://github.com/ljharb/es-errors/compare/v1.1.0...v1.2.0) - 2024-02-04
+
+### Commits
+
+- [New] add `ReferenceError` [`6d8cf5b`](https://github.com/ljharb/es-errors/commit/6d8cf5bbb6f3f598d02cf6f30e468ba2caa8e143)
+
+## [v1.1.0](https://github.com/ljharb/es-errors/compare/v1.0.0...v1.1.0) - 2024-02-04
+
+### Commits
+
+- [New] add base Error [`2983ab6`](https://github.com/ljharb/es-errors/commit/2983ab65f7bc5441276cb021dc3aa03c78881698)
+
+## v1.0.0 - 2024-02-03
+
+### Commits
+
+- Initial implementation, tests, readme, type [`8f47631`](https://github.com/ljharb/es-errors/commit/8f476317e9ad76f40ad648081829b1a1a3a1288b)
+- Initial commit [`ea5d099`](https://github.com/ljharb/es-errors/commit/ea5d099ef18e550509ab9e2be000526afd81c385)
+- npm init [`6f5ebf9`](https://github.com/ljharb/es-errors/commit/6f5ebf9cead474dadd72b9e63dad315820a089ae)
+- Only apps should have lockfiles [`e1a0aeb`](https://github.com/ljharb/es-errors/commit/e1a0aeb7b80f5cfc56be54d6b2100e915d47def8)
+- [meta] add `sideEffects` flag [`a9c7d46`](https://github.com/ljharb/es-errors/commit/a9c7d460a492f1d8a241c836bc25a322a19cc043)
diff --git a/node_modules/es-errors/LICENSE b/node_modules/es-errors/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/es-errors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/es-errors/README.md b/node_modules/es-errors/README.md
new file mode 100644
index 00000000..8dbfacfe
--- /dev/null
+++ b/node_modules/es-errors/README.md
@@ -0,0 +1,55 @@
+# es-errors <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A simple cache for a few of the JS Error constructors.
+
+## Example
+
+```js
+const assert = require('assert');
+
+const Base = require('es-errors');
+const Eval = require('es-errors/eval');
+const Range = require('es-errors/range');
+const Ref = require('es-errors/ref');
+const Syntax = require('es-errors/syntax');
+const Type = require('es-errors/type');
+const URI = require('es-errors/uri');
+
+assert.equal(Base, Error);
+assert.equal(Eval, EvalError);
+assert.equal(Range, RangeError);
+assert.equal(Ref, ReferenceError);
+assert.equal(Syntax, SyntaxError);
+assert.equal(Type, TypeError);
+assert.equal(URI, URIError);
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/es-errors
+[npm-version-svg]: https://versionbadg.es/ljharb/es-errors.svg
+[deps-svg]: https://david-dm.org/ljharb/es-errors.svg
+[deps-url]: https://david-dm.org/ljharb/es-errors
+[dev-deps-svg]: https://david-dm.org/ljharb/es-errors/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/es-errors#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/es-errors.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/es-errors.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-errors.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=es-errors
+[codecov-image]: https://codecov.io/gh/ljharb/es-errors/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/es-errors/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/es-errors
+[actions-url]: https://github.com/ljharb/es-errors/actions
diff --git a/node_modules/es-errors/eval.d.ts b/node_modules/es-errors/eval.d.ts
new file mode 100644
index 00000000..e4210e01
--- /dev/null
+++ b/node_modules/es-errors/eval.d.ts
@@ -0,0 +1,3 @@
+declare const EvalError: EvalErrorConstructor;
+
+export = EvalError;
diff --git a/node_modules/es-errors/eval.js b/node_modules/es-errors/eval.js
new file mode 100644
index 00000000..725ccb61
--- /dev/null
+++ b/node_modules/es-errors/eval.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./eval')} */
+module.exports = EvalError;
diff --git a/node_modules/es-errors/index.d.ts b/node_modules/es-errors/index.d.ts
new file mode 100644
index 00000000..69bdbc92
--- /dev/null
+++ b/node_modules/es-errors/index.d.ts
@@ -0,0 +1,3 @@
+declare const Error: ErrorConstructor;
+
+export = Error;
diff --git a/node_modules/es-errors/index.js b/node_modules/es-errors/index.js
new file mode 100644
index 00000000..cc0c5212
--- /dev/null
+++ b/node_modules/es-errors/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('.')} */
+module.exports = Error;
diff --git a/node_modules/es-errors/package.json b/node_modules/es-errors/package.json
new file mode 100644
index 00000000..ff8c2a53
--- /dev/null
+++ b/node_modules/es-errors/package.json
@@ -0,0 +1,80 @@
+{
+	"name": "es-errors",
+	"version": "1.3.0",
+	"description": "A simple cache for a few of the JS Error constructors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./eval": "./eval.js",
+		"./range": "./range.js",
+		"./ref": "./ref.js",
+		"./syntax": "./syntax.js",
+		"./type": "./type.js",
+		"./uri": "./uri.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"posttest": "aud --production",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/es-errors.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"error",
+		"typeerror",
+		"syntaxerror",
+		"rangeerror"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/es-errors/issues"
+	},
+	"homepage": "https://github.com/ljharb/es-errors#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eclint": "^2.8.1",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/es-errors/range.d.ts b/node_modules/es-errors/range.d.ts
new file mode 100644
index 00000000..3a12e864
--- /dev/null
+++ b/node_modules/es-errors/range.d.ts
@@ -0,0 +1,3 @@
+declare const RangeError: RangeErrorConstructor;
+
+export = RangeError;
diff --git a/node_modules/es-errors/range.js b/node_modules/es-errors/range.js
new file mode 100644
index 00000000..2044fe03
--- /dev/null
+++ b/node_modules/es-errors/range.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./range')} */
+module.exports = RangeError;
diff --git a/node_modules/es-errors/ref.d.ts b/node_modules/es-errors/ref.d.ts
new file mode 100644
index 00000000..a13107e2
--- /dev/null
+++ b/node_modules/es-errors/ref.d.ts
@@ -0,0 +1,3 @@
+declare const ReferenceError: ReferenceErrorConstructor;
+
+export = ReferenceError;
diff --git a/node_modules/es-errors/ref.js b/node_modules/es-errors/ref.js
new file mode 100644
index 00000000..d7c430fd
--- /dev/null
+++ b/node_modules/es-errors/ref.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./ref')} */
+module.exports = ReferenceError;
diff --git a/node_modules/es-errors/syntax.d.ts b/node_modules/es-errors/syntax.d.ts
new file mode 100644
index 00000000..6a0c53c5
--- /dev/null
+++ b/node_modules/es-errors/syntax.d.ts
@@ -0,0 +1,3 @@
+declare const SyntaxError: SyntaxErrorConstructor;
+
+export = SyntaxError;
diff --git a/node_modules/es-errors/syntax.js b/node_modules/es-errors/syntax.js
new file mode 100644
index 00000000..5f5fddee
--- /dev/null
+++ b/node_modules/es-errors/syntax.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./syntax')} */
+module.exports = SyntaxError;
diff --git a/node_modules/es-errors/test/index.js b/node_modules/es-errors/test/index.js
new file mode 100644
index 00000000..1ff02772
--- /dev/null
+++ b/node_modules/es-errors/test/index.js
@@ -0,0 +1,19 @@
+'use strict';
+
+var test = require('tape');
+
+var E = require('../');
+var R = require('../range');
+var Ref = require('../ref');
+var S = require('../syntax');
+var T = require('../type');
+
+test('errors', function (t) {
+	t.equal(E, Error);
+	t.equal(R, RangeError);
+	t.equal(Ref, ReferenceError);
+	t.equal(S, SyntaxError);
+	t.equal(T, TypeError);
+
+	t.end();
+});
diff --git a/node_modules/es-errors/tsconfig.json b/node_modules/es-errors/tsconfig.json
new file mode 100644
index 00000000..99dfeb6c
--- /dev/null
+++ b/node_modules/es-errors/tsconfig.json
@@ -0,0 +1,49 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Projects */
+
+		/* Language and Environment */
+		"target": "es5",																	/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		// "lib": [],																				/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		// "noLib": true,																		/* Disable including any library files, including the default lib.d.ts. */
+		"useDefineForClassFields": true,										 /* Emit ECMAScript-standard-compliant class fields. */
+		// "moduleDetection": "auto",												/* Control what method is used to detect module-format JS files. */
+
+		/* Modules */
+		"module": "commonjs",																/* Specify what module code is generated. */
+		// "rootDir": "./",																	/* Specify the root folder within your source files. */
+		// "moduleResolution": "node",											 /* Specify how TypeScript looks up a file from a given module specifier. */
+		// "baseUrl": "./",																	/* Specify the base directory to resolve non-relative module names. */
+		// "paths": {},																			/* Specify a set of entries that re-map imports to additional lookup locations. */
+		// "rootDirs": [],																	 /* Allow multiple folders to be treated as one when resolving modules. */
+		// "typeRoots": ["types"],													 /* Specify multiple folders that act like `./node_modules/@types`. */
+		"resolveJsonModule": true,													 /* Enable importing .json files. */
+		// "allowArbitraryExtensions": true,								 /* Enable importing files with any extension, provided a declaration file is present. */
+
+		/* JavaScript Support */
+		"allowJs": true,																		 /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"checkJs": true,																		 /* Enable error reporting in type-checked JavaScript files. */
+		"maxNodeModuleJsDepth": 1,													 /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
+
+		/* Emit */
+		"declaration": true,																 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+		"declarationMap": true,															/* Create sourcemaps for d.ts files. */
+		"noEmit": true,																			/* Disable emitting files from a compilation. */
+
+		/* Interop Constraints */
+		"allowSyntheticDefaultImports": true,								/* Allow `import x from y` when a module doesn't have a default export. */
+		"esModuleInterop": true,														 /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
+		"forceConsistentCasingInFileNames": true,						/* Ensure that casing is correct in imports. */
+
+		/* Type Checking */
+		"strict": true,																			/* Enable all strict type-checking options. */
+
+		/* Completeness */
+		// "skipLibCheck": true															/* Skip type checking all .d.ts files. */
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/es-errors/type.d.ts b/node_modules/es-errors/type.d.ts
new file mode 100644
index 00000000..576fb516
--- /dev/null
+++ b/node_modules/es-errors/type.d.ts
@@ -0,0 +1,3 @@
+declare const TypeError: TypeErrorConstructor
+
+export = TypeError;
diff --git a/node_modules/es-errors/type.js b/node_modules/es-errors/type.js
new file mode 100644
index 00000000..9769e44e
--- /dev/null
+++ b/node_modules/es-errors/type.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./type')} */
+module.exports = TypeError;
diff --git a/node_modules/es-errors/uri.d.ts b/node_modules/es-errors/uri.d.ts
new file mode 100644
index 00000000..c3261c91
--- /dev/null
+++ b/node_modules/es-errors/uri.d.ts
@@ -0,0 +1,3 @@
+declare const URIError: URIErrorConstructor;
+
+export = URIError;
diff --git a/node_modules/es-errors/uri.js b/node_modules/es-errors/uri.js
new file mode 100644
index 00000000..e9cd1c78
--- /dev/null
+++ b/node_modules/es-errors/uri.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./uri')} */
+module.exports = URIError;
diff --git a/node_modules/es-object-atoms/.eslintrc b/node_modules/es-object-atoms/.eslintrc
new file mode 100644
index 00000000..d90a1bc6
--- /dev/null
+++ b/node_modules/es-object-atoms/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"eqeqeq": ["error", "allow-null"],
+		"id-length": "off",
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"RequireObjectCoercible",
+				"ToObject",
+			],
+		}],
+	},
+}
diff --git a/node_modules/es-object-atoms/.github/FUNDING.yml b/node_modules/es-object-atoms/.github/FUNDING.yml
new file mode 100644
index 00000000..352bfdab
--- /dev/null
+++ b/node_modules/es-object-atoms/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/es-object
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/es-object-atoms/CHANGELOG.md b/node_modules/es-object-atoms/CHANGELOG.md
new file mode 100644
index 00000000..fdd2abe3
--- /dev/null
+++ b/node_modules/es-object-atoms/CHANGELOG.md
@@ -0,0 +1,37 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.1](https://github.com/ljharb/es-object-atoms/compare/v1.1.0...v1.1.1) - 2025-01-14
+
+### Commits
+
+- [types] `ToObject`: improve types [`cfe8c8a`](https://github.com/ljharb/es-object-atoms/commit/cfe8c8a105c44820cb22e26f62d12ef0ad9715c8)
+
+## [v1.1.0](https://github.com/ljharb/es-object-atoms/compare/v1.0.1...v1.1.0) - 2025-01-14
+
+### Commits
+
+- [New] add `isObject` [`51e4042`](https://github.com/ljharb/es-object-atoms/commit/51e4042df722eb3165f40dc5f4bf33d0197ecb07)
+
+## [v1.0.1](https://github.com/ljharb/es-object-atoms/compare/v1.0.0...v1.0.1) - 2025-01-13
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `@ljharb/tsconfig`, `@types/tape`, `auto-changelog`, `tape` [`38ab9eb`](https://github.com/ljharb/es-object-atoms/commit/38ab9eb00b62c2f4668644f5e513d9b414ebd595)
+- [types] improve types [`7d1beb8`](https://github.com/ljharb/es-object-atoms/commit/7d1beb887958b78b6a728a210a1c8370ab7e2aa1)
+- [Tests] replace `aud` with `npm audit` [`25863ba`](https://github.com/ljharb/es-object-atoms/commit/25863baf99178f1d1ad33d1120498db28631907e)
+- [Dev Deps] add missing peer dep [`c012309`](https://github.com/ljharb/es-object-atoms/commit/c0123091287e6132d6f4240496340c427433df28)
+
+## v1.0.0 - 2024-03-16
+
+### Commits
+
+- Initial implementation, tests, readme, types [`f1499db`](https://github.com/ljharb/es-object-atoms/commit/f1499db7d3e1741e64979c61d645ab3137705e82)
+- Initial commit [`99eedc7`](https://github.com/ljharb/es-object-atoms/commit/99eedc7b5fde38a50a28d3c8b724706e3e4c5f6a)
+- [meta] rename repo [`fc851fa`](https://github.com/ljharb/es-object-atoms/commit/fc851fa70616d2d182aaf0bd02c2ed7084dea8fa)
+- npm init [`b909377`](https://github.com/ljharb/es-object-atoms/commit/b909377c50049bd0ec575562d20b0f9ebae8947f)
+- Only apps should have lockfiles [`7249edd`](https://github.com/ljharb/es-object-atoms/commit/7249edd2178c1b9ddfc66ffcc6d07fdf0d28efc1)
diff --git a/node_modules/es-object-atoms/LICENSE b/node_modules/es-object-atoms/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/es-object-atoms/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/es-object-atoms/README.md b/node_modules/es-object-atoms/README.md
new file mode 100644
index 00000000..447695b2
--- /dev/null
+++ b/node_modules/es-object-atoms/README.md
@@ -0,0 +1,63 @@
+# es-object-atoms <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+ES Object-related atoms: Object, ToObject, RequireObjectCoercible.
+
+## Example
+
+```js
+const assert = require('assert');
+
+const $Object = require('es-object-atoms');
+const isObject = require('es-object-atoms/isObject');
+const ToObject = require('es-object-atoms/ToObject');
+const RequireObjectCoercible = require('es-object-atoms/RequireObjectCoercible');
+
+assert.equal($Object, Object);
+assert.throws(() => ToObject(null), TypeError);
+assert.throws(() => ToObject(undefined), TypeError);
+assert.throws(() => RequireObjectCoercible(null), TypeError);
+assert.throws(() => RequireObjectCoercible(undefined), TypeError);
+
+assert.equal(isObject(undefined), false);
+assert.equal(isObject(null), false);
+assert.equal(isObject({}), true);
+assert.equal(isObject([]), true);
+assert.equal(isObject(function () {}), true);
+
+assert.deepEqual(RequireObjectCoercible(true), true);
+assert.deepEqual(ToObject(true), Object(true));
+
+const obj = {};
+assert.equal(RequireObjectCoercible(obj), obj);
+assert.equal(ToObject(obj), obj);
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/es-object-atoms
+[npm-version-svg]: https://versionbadg.es/ljharb/es-object-atoms.svg
+[deps-svg]: https://david-dm.org/ljharb/es-object-atoms.svg
+[deps-url]: https://david-dm.org/ljharb/es-object-atoms
+[dev-deps-svg]: https://david-dm.org/ljharb/es-object-atoms/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/es-object-atoms#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/es-object-atoms.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/es-object-atoms.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-object.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=es-object-atoms
+[codecov-image]: https://codecov.io/gh/ljharb/es-object-atoms/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/es-object-atoms/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/es-object-atoms
+[actions-url]: https://github.com/ljharb/es-object-atoms/actions
diff --git a/node_modules/es-object-atoms/RequireObjectCoercible.d.ts b/node_modules/es-object-atoms/RequireObjectCoercible.d.ts
new file mode 100644
index 00000000..7e26c457
--- /dev/null
+++ b/node_modules/es-object-atoms/RequireObjectCoercible.d.ts
@@ -0,0 +1,3 @@
+declare function RequireObjectCoercible<T extends {}>(value: T, optMessage?: string): T;
+
+export = RequireObjectCoercible;
diff --git a/node_modules/es-object-atoms/RequireObjectCoercible.js b/node_modules/es-object-atoms/RequireObjectCoercible.js
new file mode 100644
index 00000000..8e191c6e
--- /dev/null
+++ b/node_modules/es-object-atoms/RequireObjectCoercible.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+/** @type {import('./RequireObjectCoercible')} */
+module.exports = function RequireObjectCoercible(value) {
+	if (value == null) {
+		throw new $TypeError((arguments.length > 0 && arguments[1]) || ('Cannot call method on ' + value));
+	}
+	return value;
+};
diff --git a/node_modules/es-object-atoms/ToObject.d.ts b/node_modules/es-object-atoms/ToObject.d.ts
new file mode 100644
index 00000000..d6dd3029
--- /dev/null
+++ b/node_modules/es-object-atoms/ToObject.d.ts
@@ -0,0 +1,7 @@
+declare function ToObject<T extends object>(value: number): Number;
+declare function ToObject<T extends object>(value: boolean): Boolean;
+declare function ToObject<T extends object>(value: string): String;
+declare function ToObject<T extends object>(value: bigint): BigInt;
+declare function ToObject<T extends object>(value: T): T;
+
+export = ToObject;
diff --git a/node_modules/es-object-atoms/ToObject.js b/node_modules/es-object-atoms/ToObject.js
new file mode 100644
index 00000000..2b99a7da
--- /dev/null
+++ b/node_modules/es-object-atoms/ToObject.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var $Object = require('./');
+var RequireObjectCoercible = require('./RequireObjectCoercible');
+
+/** @type {import('./ToObject')} */
+module.exports = function ToObject(value) {
+	RequireObjectCoercible(value);
+	return $Object(value);
+};
diff --git a/node_modules/es-object-atoms/index.d.ts b/node_modules/es-object-atoms/index.d.ts
new file mode 100644
index 00000000..8bdbfc81
--- /dev/null
+++ b/node_modules/es-object-atoms/index.d.ts
@@ -0,0 +1,3 @@
+declare const Object: ObjectConstructor;
+
+export = Object;
diff --git a/node_modules/es-object-atoms/index.js b/node_modules/es-object-atoms/index.js
new file mode 100644
index 00000000..1d33cef4
--- /dev/null
+++ b/node_modules/es-object-atoms/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('.')} */
+module.exports = Object;
diff --git a/node_modules/es-object-atoms/isObject.d.ts b/node_modules/es-object-atoms/isObject.d.ts
new file mode 100644
index 00000000..43bee3bc
--- /dev/null
+++ b/node_modules/es-object-atoms/isObject.d.ts
@@ -0,0 +1,3 @@
+declare function isObject(x: unknown): x is object;
+
+export = isObject;
diff --git a/node_modules/es-object-atoms/isObject.js b/node_modules/es-object-atoms/isObject.js
new file mode 100644
index 00000000..ec49bf12
--- /dev/null
+++ b/node_modules/es-object-atoms/isObject.js
@@ -0,0 +1,6 @@
+'use strict';
+
+/** @type {import('./isObject')} */
+module.exports = function isObject(x) {
+	return !!x && (typeof x === 'function' || typeof x === 'object');
+};
diff --git a/node_modules/es-object-atoms/package.json b/node_modules/es-object-atoms/package.json
new file mode 100644
index 00000000..f4cec715
--- /dev/null
+++ b/node_modules/es-object-atoms/package.json
@@ -0,0 +1,80 @@
+{
+	"name": "es-object-atoms",
+	"version": "1.1.1",
+	"description": "ES Object-related atoms: Object, ToObject, RequireObjectCoercible",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./RequireObjectCoercible": "./RequireObjectCoercible.js",
+		"./isObject": "./isObject.js",
+		"./ToObject": "./ToObject.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"posttest": "npx npm@\">= 10.2\" audit --production",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/es-object-atoms.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"object",
+		"toobject",
+		"coercible"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/es-object-atoms/issues"
+	},
+	"homepage": "https://github.com/ljharb/es-object-atoms#readme",
+	"dependencies": {
+		"es-errors": "^1.3.0"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.3",
+		"@types/tape": "^5.8.1",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"encoding": "^0.1.13",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/es-object-atoms/test/index.js b/node_modules/es-object-atoms/test/index.js
new file mode 100644
index 00000000..430b705a
--- /dev/null
+++ b/node_modules/es-object-atoms/test/index.js
@@ -0,0 +1,38 @@
+'use strict';
+
+var test = require('tape');
+
+var $Object = require('../');
+var isObject = require('../isObject');
+var ToObject = require('../ToObject');
+var RequireObjectCoercible = require('..//RequireObjectCoercible');
+
+test('errors', function (t) {
+	t.equal($Object, Object);
+	// @ts-expect-error
+	t['throws'](function () { ToObject(null); }, TypeError);
+	// @ts-expect-error
+	t['throws'](function () { ToObject(undefined); }, TypeError);
+	// @ts-expect-error
+	t['throws'](function () { RequireObjectCoercible(null); }, TypeError);
+	// @ts-expect-error
+	t['throws'](function () { RequireObjectCoercible(undefined); }, TypeError);
+
+	t.deepEqual(RequireObjectCoercible(true), true);
+	t.deepEqual(ToObject(true), Object(true));
+	t.deepEqual(ToObject(42), Object(42));
+	var f = function () {};
+	t.equal(ToObject(f), f);
+
+	t.equal(isObject(undefined), false);
+	t.equal(isObject(null), false);
+	t.equal(isObject({}), true);
+	t.equal(isObject([]), true);
+	t.equal(isObject(function () {}), true);
+
+	var obj = {};
+	t.equal(RequireObjectCoercible(obj), obj);
+	t.equal(ToObject(obj), obj);
+
+	t.end();
+});
diff --git a/node_modules/es-object-atoms/tsconfig.json b/node_modules/es-object-atoms/tsconfig.json
new file mode 100644
index 00000000..1f73cb72
--- /dev/null
+++ b/node_modules/es-object-atoms/tsconfig.json
@@ -0,0 +1,6 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es5",
+	},
+}
diff --git a/node_modules/eslint-scope/CHANGELOG.md b/node_modules/eslint-scope/CHANGELOG.md
new file mode 100644
index 00000000..667d1c38
--- /dev/null
+++ b/node_modules/eslint-scope/CHANGELOG.md
@@ -0,0 +1,55 @@
+v4.0.3 - March 15, 2019
+
+* [`299df64`](https://github.com/eslint/eslint-scope/commit/299df64bdafb30b4d9372e4b7af0cf51a3818c4a) Fix: arrow function scope strictness (take 2) (#52) (futpib)
+
+v4.0.2 - March 1, 2019
+
+* [`c925600`](https://github.com/eslint/eslint-scope/commit/c925600a684ae0f71b96f85339437a43b4d50d99) Revert "Fix: Arrow function scope strictness (fixes #49) (#50)" (#51) (Teddy Katz)
+
+v4.0.1 - March 1, 2019
+
+* [`2533966`](https://github.com/eslint/eslint-scope/commit/2533966faf317df5a3847fab937ba462c16808b8) Fix: Arrow function scope strictness (fixes #49) (#50) (futpib)
+* [`0cbeea5`](https://github.com/eslint/eslint-scope/commit/0cbeea51dfb66ab88ea34b0e3b4ad5e6cc210f2f) Chore: add supported Node.js versions to CI (#47) (Kai Cataldo)
+* [`b423057`](https://github.com/eslint/eslint-scope/commit/b42305760638b8edf4667acf1445e450869bd983) Upgrade: eslint-release@1.0.0 (#46) (Teddy Katz)
+
+v4.0.0 - June 21, 2018
+
+
+
+v4.0.0-rc.0 - June 9, 2018
+
+* 3b919b8 Build: Adding rc release script to package.json (#38) (Kevin Partington)
+* 137732a Chore: avoid creating package-lock.json files (#37) (Teddy Katz)
+
+v4.0.0-alpha.0 - April 27, 2018
+
+* 7cc3769 Upgrade: eslint-release ^0.11.1 (#36) (Teddy Katz)
+* c9f6967 Breaking: remove TDZScope (refs eslint/eslint#10245) (#35) (Toru Nagashima)
+* 982a71f Fix: wrong resolution about default parameters (#33) (Toru Nagashima)
+* 57889f1 Docs: Remove extra header line from LICENSE (#32) (Gyandeep Singh)
+
+v3.7.1 - April 12, 2017
+
+* ced6262 Fix: restore previous Scope API exports from escope (#31) (Vitor Balocco)
+* 5c3d966 Fix: Remove and Modify tests that contain invalid ES6 syntax (#29) (Reyad Attiyat)
+
+v3.7.0 - March 17, 2017
+
+* 9e27835 Chore: Add files section to package.json (#24) (Ilya Volodin)
+* 3e4d123 Upgrade: eslint-config-eslint to 4.0.0 (#21) (Teddy Katz)
+* 38c50fb Chore: Rename src to lib and test to tests (#20) (Corbin Uselton)
+* f4cd920 Chore: Remove esprima (#19) (Corbin Uselton)
+* f81fad5 Revert "Chore: Remove esprima" (#18) (James Henry)
+* 31b0085 Chore: Remove es6-map and es6-weakmap as they are included in node4 (#10) (#13) (Corbin Uselton)
+* 12a1ca1 Add Makefile.js and eslint (#15) (Reyad Attiyat)
+* 7d23f8e Chore: Remove es6-map and es6-weakmap as they are included in node4 (#10) (Corbin Uselton)
+* 019441e Chore: Convert to ES6 that is supported on Node 4, commonjs modules and remove Babel (#14) (Corbin Uselton)
+* c647f65 Update: Add check for node.body in referencer (#2) (Corbin Uselton)
+* eb5c9db Remove browserify and jsdoc (#12) (Corbin Uselton)
+* cf38df0 Chore: Update README.md (#3) (James Henry)
+* 8a142ca Chore: Add eslint-release scripts (#6) (James Henry)
+* e60d8cb Chore: Remove unused bower.json (#5) (James Henry)
+* 049c545 Chore: Fix tests for eslint-scope (#4) (James Henry)
+* f026aab Chore: Update package.json for eslint fork (#1) (James Henry)
+* a94d281 Chore: Update license with JSF copyright (Nicholas C. Zakas)
+
diff --git a/node_modules/eslint-scope/LICENSE b/node_modules/eslint-scope/LICENSE
new file mode 100644
index 00000000..d36a526f
--- /dev/null
+++ b/node_modules/eslint-scope/LICENSE
@@ -0,0 +1,22 @@
+Copyright JS Foundation and other contributors, https://js.foundation
+Copyright (C) 2012-2013 Yusuke Suzuki (twitter: @Constellation) and other contributors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/eslint-scope/README.md b/node_modules/eslint-scope/README.md
new file mode 100644
index 00000000..7e7ce0d3
--- /dev/null
+++ b/node_modules/eslint-scope/README.md
@@ -0,0 +1,54 @@
+# ESLint Scope
+
+ESLint Scope is the [ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm) scope analyzer used in ESLint. It is a fork of [escope](http://github.com/estools/escope).
+
+## Usage
+
+Install:
+
+```
+npm i eslint-scope --save
+```
+
+Example:
+
+```js
+var eslintScope = require('eslint-scope');
+var espree = require('espree');
+var estraverse = require('estraverse');
+
+var ast = espree.parse(code);
+var scopeManager = eslintScope.analyze(ast);
+
+var currentScope = scopeManager.acquire(ast);   // global scope
+
+estraverse.traverse(ast, {
+    enter: function(node, parent) {
+        // do stuff
+
+        if (/Function/.test(node.type)) {
+            currentScope = scopeManager.acquire(node);  // get current function scope
+        }
+    },
+    leave: function(node, parent) {
+        if (/Function/.test(node.type)) {
+            currentScope = currentScope.upper;  // set to parent scope
+        }
+
+        // do stuff
+    }
+});
+```
+
+## Contributing
+
+Issues and pull requests will be triaged and responded to as quickly as possible. We operate under the [ESLint Contributor Guidelines](http://eslint.org/docs/developer-guide/contributing), so please be sure to read them before contributing. If you're not sure where to dig in, check out the [issues](https://github.com/eslint/eslint-scope/issues).
+
+## Build Commands
+
+* `npm test` - run all linting and tests
+* `npm run lint` - run all linting
+
+## License
+
+ESLint Scope is licensed under a permissive BSD 2-clause license.
diff --git a/node_modules/eslint-scope/lib/definition.js b/node_modules/eslint-scope/lib/definition.js
new file mode 100644
index 00000000..172bfe23
--- /dev/null
+++ b/node_modules/eslint-scope/lib/definition.js
@@ -0,0 +1,86 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+const Variable = require("./variable");
+
+/**
+ * @class Definition
+ */
+class Definition {
+    constructor(type, name, node, parent, index, kind) {
+
+        /**
+         * @member {String} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...).
+         */
+        this.type = type;
+
+        /**
+         * @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence.
+         */
+        this.name = name;
+
+        /**
+         * @member {espree.Node} Definition#node - the enclosing node of the identifier.
+         */
+        this.node = node;
+
+        /**
+         * @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier.
+         */
+        this.parent = parent;
+
+        /**
+         * @member {Number?} Definition#index - the index in the declaration statement.
+         */
+        this.index = index;
+
+        /**
+         * @member {String?} Definition#kind - the kind of the declaration statement.
+         */
+        this.kind = kind;
+    }
+}
+
+/**
+ * @class ParameterDefinition
+ */
+class ParameterDefinition extends Definition {
+    constructor(name, node, index, rest) {
+        super(Variable.Parameter, name, node, null, index, null);
+
+        /**
+         * Whether the parameter definition is a part of a rest parameter.
+         * @member {boolean} ParameterDefinition#rest
+         */
+        this.rest = rest;
+    }
+}
+
+module.exports = {
+    ParameterDefinition,
+    Definition
+};
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/index.js b/node_modules/eslint-scope/lib/index.js
new file mode 100644
index 00000000..f48252fc
--- /dev/null
+++ b/node_modules/eslint-scope/lib/index.js
@@ -0,0 +1,165 @@
+/*
+  Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2013 Alex Seville <hi@alexanderseville.com>
+  Copyright (C) 2014 Thiago de Arruda <tpadilha84@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ * Escope (<a href="http://github.com/estools/escope">escope</a>) is an <a
+ * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a>
+ * scope analyzer extracted from the <a
+ * href="http://github.com/estools/esmangle">esmangle project</a/>.
+ * <p>
+ * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that
+ * program where different occurrences of the same identifier refer to the same
+ * variable. With each scope the contained variables are collected, and each
+ * identifier reference in code is linked to its corresponding variable (if
+ * possible).
+ * <p>
+ * <em>escope</em> works on a syntax tree of the parsed source code which has
+ * to adhere to the <a
+ * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API">
+ * Mozilla Parser API</a>. E.g. <a href="https://github.com/eslint/espree">espree</a> is a parser
+ * that produces such syntax trees.
+ * <p>
+ * The main interface is the {@link analyze} function.
+ * @module escope
+ */
+"use strict";
+
+/* eslint no-underscore-dangle: ["error", { "allow": ["__currentScope"] }] */
+
+const assert = require("assert");
+
+const ScopeManager = require("./scope-manager");
+const Referencer = require("./referencer");
+const Reference = require("./reference");
+const Variable = require("./variable");
+const Scope = require("./scope").Scope;
+const version = require("../package.json").version;
+
+/**
+ * Set the default options
+ * @returns {Object} options
+ */
+function defaultOptions() {
+    return {
+        optimistic: false,
+        directive: false,
+        nodejsScope: false,
+        impliedStrict: false,
+        sourceType: "script",  // one of ['script', 'module']
+        ecmaVersion: 5,
+        childVisitorKeys: null,
+        fallback: "iteration"
+    };
+}
+
+/**
+ * Preform deep update on option object
+ * @param {Object} target - Options
+ * @param {Object} override - Updates
+ * @returns {Object} Updated options
+ */
+function updateDeeply(target, override) {
+
+    /**
+     * Is hash object
+     * @param {Object} value - Test value
+     * @returns {boolean} Result
+     */
+    function isHashObject(value) {
+        return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp);
+    }
+
+    for (const key in override) {
+        if (override.hasOwnProperty(key)) {
+            const val = override[key];
+
+            if (isHashObject(val)) {
+                if (isHashObject(target[key])) {
+                    updateDeeply(target[key], val);
+                } else {
+                    target[key] = updateDeeply({}, val);
+                }
+            } else {
+                target[key] = val;
+            }
+        }
+    }
+    return target;
+}
+
+/**
+ * Main interface function. Takes an Espree syntax tree and returns the
+ * analyzed scopes.
+ * @function analyze
+ * @param {espree.Tree} tree - Abstract Syntax Tree
+ * @param {Object} providedOptions - Options that tailor the scope analysis
+ * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag
+ * @param {boolean} [providedOptions.directive=false]- the directive flag
+ * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls
+ * @param {boolean} [providedOptions.nodejsScope=false]- whether the whole
+ * script is executed under node.js environment. When enabled, escope adds
+ * a function scope immediately following the global scope.
+ * @param {boolean} [providedOptions.impliedStrict=false]- implied strict mode
+ * (if ecmaVersion >= 5).
+ * @param {string} [providedOptions.sourceType='script']- the source type of the script. one of 'script' and 'module'
+ * @param {number} [providedOptions.ecmaVersion=5]- which ECMAScript version is considered
+ * @param {Object} [providedOptions.childVisitorKeys=null] - Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option.
+ * @param {string} [providedOptions.fallback='iteration'] - A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option.
+ * @returns {ScopeManager} ScopeManager
+ */
+function analyze(tree, providedOptions) {
+    const options = updateDeeply(defaultOptions(), providedOptions);
+    const scopeManager = new ScopeManager(options);
+    const referencer = new Referencer(options, scopeManager);
+
+    referencer.visit(tree);
+
+    assert(scopeManager.__currentScope === null, "currentScope should be null.");
+
+    return scopeManager;
+}
+
+module.exports = {
+
+    /** @name module:escope.version */
+    version,
+
+    /** @name module:escope.Reference */
+    Reference,
+
+    /** @name module:escope.Variable */
+    Variable,
+
+    /** @name module:escope.Scope */
+    Scope,
+
+    /** @name module:escope.ScopeManager */
+    ScopeManager,
+    analyze
+};
+
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/pattern-visitor.js b/node_modules/eslint-scope/lib/pattern-visitor.js
new file mode 100644
index 00000000..afa62917
--- /dev/null
+++ b/node_modules/eslint-scope/lib/pattern-visitor.js
@@ -0,0 +1,152 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+const esrecurse = require("esrecurse");
+
+/**
+ * Get last array element
+ * @param {array} xs - array
+ * @returns {any} Last elment
+ */
+function getLast(xs) {
+    return xs[xs.length - 1] || null;
+}
+
+class PatternVisitor extends esrecurse.Visitor {
+    static isPattern(node) {
+        const nodeType = node.type;
+
+        return (
+            nodeType === Syntax.Identifier ||
+            nodeType === Syntax.ObjectPattern ||
+            nodeType === Syntax.ArrayPattern ||
+            nodeType === Syntax.SpreadElement ||
+            nodeType === Syntax.RestElement ||
+            nodeType === Syntax.AssignmentPattern
+        );
+    }
+
+    constructor(options, rootPattern, callback) {
+        super(null, options);
+        this.rootPattern = rootPattern;
+        this.callback = callback;
+        this.assignments = [];
+        this.rightHandNodes = [];
+        this.restElements = [];
+    }
+
+    Identifier(pattern) {
+        const lastRestElement = getLast(this.restElements);
+
+        this.callback(pattern, {
+            topLevel: pattern === this.rootPattern,
+            rest: lastRestElement !== null && lastRestElement !== undefined && lastRestElement.argument === pattern,
+            assignments: this.assignments
+        });
+    }
+
+    Property(property) {
+
+        // Computed property's key is a right hand node.
+        if (property.computed) {
+            this.rightHandNodes.push(property.key);
+        }
+
+        // If it's shorthand, its key is same as its value.
+        // If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern).
+        // If it's not shorthand, the name of new variable is its value's.
+        this.visit(property.value);
+    }
+
+    ArrayPattern(pattern) {
+        for (let i = 0, iz = pattern.elements.length; i < iz; ++i) {
+            const element = pattern.elements[i];
+
+            this.visit(element);
+        }
+    }
+
+    AssignmentPattern(pattern) {
+        this.assignments.push(pattern);
+        this.visit(pattern.left);
+        this.rightHandNodes.push(pattern.right);
+        this.assignments.pop();
+    }
+
+    RestElement(pattern) {
+        this.restElements.push(pattern);
+        this.visit(pattern.argument);
+        this.restElements.pop();
+    }
+
+    MemberExpression(node) {
+
+        // Computed property's key is a right hand node.
+        if (node.computed) {
+            this.rightHandNodes.push(node.property);
+        }
+
+        // the object is only read, write to its property.
+        this.rightHandNodes.push(node.object);
+    }
+
+    //
+    // ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression.
+    // By spec, LeftHandSideExpression is Pattern or MemberExpression.
+    //   (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758)
+    // But espree 2.0 parses to ArrayExpression, ObjectExpression, etc...
+    //
+
+    SpreadElement(node) {
+        this.visit(node.argument);
+    }
+
+    ArrayExpression(node) {
+        node.elements.forEach(this.visit, this);
+    }
+
+    AssignmentExpression(node) {
+        this.assignments.push(node);
+        this.visit(node.left);
+        this.rightHandNodes.push(node.right);
+        this.assignments.pop();
+    }
+
+    CallExpression(node) {
+
+        // arguments are right hand nodes.
+        node.arguments.forEach(a => {
+            this.rightHandNodes.push(a);
+        });
+        this.visit(node.callee);
+    }
+}
+
+module.exports = PatternVisitor;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/reference.js b/node_modules/eslint-scope/lib/reference.js
new file mode 100644
index 00000000..9529827f
--- /dev/null
+++ b/node_modules/eslint-scope/lib/reference.js
@@ -0,0 +1,167 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+const READ = 0x1;
+const WRITE = 0x2;
+const RW = READ | WRITE;
+
+/**
+ * A Reference represents a single occurrence of an identifier in code.
+ * @class Reference
+ */
+class Reference {
+    constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) {
+
+        /**
+         * Identifier syntax node.
+         * @member {espreeIdentifier} Reference#identifier
+         */
+        this.identifier = ident;
+
+        /**
+         * Reference to the enclosing Scope.
+         * @member {Scope} Reference#from
+         */
+        this.from = scope;
+
+        /**
+         * Whether the reference comes from a dynamic scope (such as 'eval',
+         * 'with', etc.), and may be trapped by dynamic scopes.
+         * @member {boolean} Reference#tainted
+         */
+        this.tainted = false;
+
+        /**
+         * The variable this reference is resolved with.
+         * @member {Variable} Reference#resolved
+         */
+        this.resolved = null;
+
+        /**
+         * The read-write mode of the reference. (Value is one of {@link
+         * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}).
+         * @member {number} Reference#flag
+         * @private
+         */
+        this.flag = flag;
+        if (this.isWrite()) {
+
+            /**
+             * If reference is writeable, this is the tree being written to it.
+             * @member {espreeNode} Reference#writeExpr
+             */
+            this.writeExpr = writeExpr;
+
+            /**
+             * Whether the Reference might refer to a partial value of writeExpr.
+             * @member {boolean} Reference#partial
+             */
+            this.partial = partial;
+
+            /**
+             * Whether the Reference is to write of initialization.
+             * @member {boolean} Reference#init
+             */
+            this.init = init;
+        }
+        this.__maybeImplicitGlobal = maybeImplicitGlobal;
+    }
+
+    /**
+     * Whether the reference is static.
+     * @method Reference#isStatic
+     * @returns {boolean} static
+     */
+    isStatic() {
+        return !this.tainted && this.resolved && this.resolved.scope.isStatic();
+    }
+
+    /**
+     * Whether the reference is writeable.
+     * @method Reference#isWrite
+     * @returns {boolean} write
+     */
+    isWrite() {
+        return !!(this.flag & Reference.WRITE);
+    }
+
+    /**
+     * Whether the reference is readable.
+     * @method Reference#isRead
+     * @returns {boolean} read
+     */
+    isRead() {
+        return !!(this.flag & Reference.READ);
+    }
+
+    /**
+     * Whether the reference is read-only.
+     * @method Reference#isReadOnly
+     * @returns {boolean} read only
+     */
+    isReadOnly() {
+        return this.flag === Reference.READ;
+    }
+
+    /**
+     * Whether the reference is write-only.
+     * @method Reference#isWriteOnly
+     * @returns {boolean} write only
+     */
+    isWriteOnly() {
+        return this.flag === Reference.WRITE;
+    }
+
+    /**
+     * Whether the reference is read-write.
+     * @method Reference#isReadWrite
+     * @returns {boolean} read write
+     */
+    isReadWrite() {
+        return this.flag === Reference.RW;
+    }
+}
+
+/**
+ * @constant Reference.READ
+ * @private
+ */
+Reference.READ = READ;
+
+/**
+ * @constant Reference.WRITE
+ * @private
+ */
+Reference.WRITE = WRITE;
+
+/**
+ * @constant Reference.RW
+ * @private
+ */
+Reference.RW = RW;
+
+module.exports = Reference;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/referencer.js b/node_modules/eslint-scope/lib/referencer.js
new file mode 100644
index 00000000..55d0223d
--- /dev/null
+++ b/node_modules/eslint-scope/lib/referencer.js
@@ -0,0 +1,612 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+const esrecurse = require("esrecurse");
+const Reference = require("./reference");
+const Variable = require("./variable");
+const PatternVisitor = require("./pattern-visitor");
+const definition = require("./definition");
+const assert = require("assert");
+
+const ParameterDefinition = definition.ParameterDefinition;
+const Definition = definition.Definition;
+
+/**
+ * Traverse identifier in pattern
+ * @param {Object} options - options
+ * @param {pattern} rootPattern - root pattern
+ * @param {Refencer} referencer - referencer
+ * @param {callback} callback - callback
+ * @returns {void}
+ */
+function traverseIdentifierInPattern(options, rootPattern, referencer, callback) {
+
+    // Call the callback at left hand identifier nodes, and Collect right hand nodes.
+    const visitor = new PatternVisitor(options, rootPattern, callback);
+
+    visitor.visit(rootPattern);
+
+    // Process the right hand nodes recursively.
+    if (referencer !== null && referencer !== undefined) {
+        visitor.rightHandNodes.forEach(referencer.visit, referencer);
+    }
+}
+
+// Importing ImportDeclaration.
+// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation
+// https://github.com/estree/estree/blob/master/es6.md#importdeclaration
+// FIXME: Now, we don't create module environment, because the context is
+// implementation dependent.
+
+class Importer extends esrecurse.Visitor {
+    constructor(declaration, referencer) {
+        super(null, referencer.options);
+        this.declaration = declaration;
+        this.referencer = referencer;
+    }
+
+    visitImport(id, specifier) {
+        this.referencer.visitPattern(id, pattern => {
+            this.referencer.currentScope().__define(pattern,
+                new Definition(
+                    Variable.ImportBinding,
+                    pattern,
+                    specifier,
+                    this.declaration,
+                    null,
+                    null
+                    ));
+        });
+    }
+
+    ImportNamespaceSpecifier(node) {
+        const local = (node.local || node.id);
+
+        if (local) {
+            this.visitImport(local, node);
+        }
+    }
+
+    ImportDefaultSpecifier(node) {
+        const local = (node.local || node.id);
+
+        this.visitImport(local, node);
+    }
+
+    ImportSpecifier(node) {
+        const local = (node.local || node.id);
+
+        if (node.name) {
+            this.visitImport(node.name, node);
+        } else {
+            this.visitImport(local, node);
+        }
+    }
+}
+
+// Referencing variables and creating bindings.
+class Referencer extends esrecurse.Visitor {
+    constructor(options, scopeManager) {
+        super(null, options);
+        this.options = options;
+        this.scopeManager = scopeManager;
+        this.parent = null;
+        this.isInnerMethodDefinition = false;
+    }
+
+    currentScope() {
+        return this.scopeManager.__currentScope;
+    }
+
+    close(node) {
+        while (this.currentScope() && node === this.currentScope().block) {
+            this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager);
+        }
+    }
+
+    pushInnerMethodDefinition(isInnerMethodDefinition) {
+        const previous = this.isInnerMethodDefinition;
+
+        this.isInnerMethodDefinition = isInnerMethodDefinition;
+        return previous;
+    }
+
+    popInnerMethodDefinition(isInnerMethodDefinition) {
+        this.isInnerMethodDefinition = isInnerMethodDefinition;
+    }
+
+    referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) {
+        const scope = this.currentScope();
+
+        assignments.forEach(assignment => {
+            scope.__referencing(
+                pattern,
+                Reference.WRITE,
+                assignment.right,
+                maybeImplicitGlobal,
+                pattern !== assignment.left,
+                init);
+        });
+    }
+
+    visitPattern(node, options, callback) {
+        if (typeof options === "function") {
+            callback = options;
+            options = { processRightHandNodes: false };
+        }
+        traverseIdentifierInPattern(
+            this.options,
+            node,
+            options.processRightHandNodes ? this : null,
+            callback);
+    }
+
+    visitFunction(node) {
+        let i, iz;
+
+        // FunctionDeclaration name is defined in upper scope
+        // NOTE: Not referring variableScope. It is intended.
+        // Since
+        //  in ES5, FunctionDeclaration should be in FunctionBody.
+        //  in ES6, FunctionDeclaration should be block scoped.
+
+        if (node.type === Syntax.FunctionDeclaration) {
+
+            // id is defined in upper scope
+            this.currentScope().__define(node.id,
+                    new Definition(
+                        Variable.FunctionName,
+                        node.id,
+                        node,
+                        null,
+                        null,
+                        null
+                    ));
+        }
+
+        // FunctionExpression with name creates its special scope;
+        // FunctionExpressionNameScope.
+        if (node.type === Syntax.FunctionExpression && node.id) {
+            this.scopeManager.__nestFunctionExpressionNameScope(node);
+        }
+
+        // Consider this function is in the MethodDefinition.
+        this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition);
+
+        const that = this;
+
+        /**
+         * Visit pattern callback
+         * @param {pattern} pattern - pattern
+         * @param {Object} info - info
+         * @returns {void}
+         */
+        function visitPatternCallback(pattern, info) {
+            that.currentScope().__define(pattern,
+                new ParameterDefinition(
+                    pattern,
+                    node,
+                    i,
+                    info.rest
+                ));
+
+            that.referencingDefaultValue(pattern, info.assignments, null, true);
+        }
+
+        // Process parameter declarations.
+        for (i = 0, iz = node.params.length; i < iz; ++i) {
+            this.visitPattern(node.params[i], { processRightHandNodes: true }, visitPatternCallback);
+        }
+
+        // if there's a rest argument, add that
+        if (node.rest) {
+            this.visitPattern({
+                type: "RestElement",
+                argument: node.rest
+            }, pattern => {
+                this.currentScope().__define(pattern,
+                    new ParameterDefinition(
+                        pattern,
+                        node,
+                        node.params.length,
+                        true
+                    ));
+            });
+        }
+
+        // In TypeScript there are a number of function-like constructs which have no body,
+        // so check it exists before traversing
+        if (node.body) {
+
+            // Skip BlockStatement to prevent creating BlockStatement scope.
+            if (node.body.type === Syntax.BlockStatement) {
+                this.visitChildren(node.body);
+            } else {
+                this.visit(node.body);
+            }
+        }
+
+        this.close(node);
+    }
+
+    visitClass(node) {
+        if (node.type === Syntax.ClassDeclaration) {
+            this.currentScope().__define(node.id,
+                    new Definition(
+                        Variable.ClassName,
+                        node.id,
+                        node,
+                        null,
+                        null,
+                        null
+                    ));
+        }
+
+        this.visit(node.superClass);
+
+        this.scopeManager.__nestClassScope(node);
+
+        if (node.id) {
+            this.currentScope().__define(node.id,
+                    new Definition(
+                        Variable.ClassName,
+                        node.id,
+                        node
+                    ));
+        }
+        this.visit(node.body);
+
+        this.close(node);
+    }
+
+    visitProperty(node) {
+        let previous;
+
+        if (node.computed) {
+            this.visit(node.key);
+        }
+
+        const isMethodDefinition = node.type === Syntax.MethodDefinition;
+
+        if (isMethodDefinition) {
+            previous = this.pushInnerMethodDefinition(true);
+        }
+        this.visit(node.value);
+        if (isMethodDefinition) {
+            this.popInnerMethodDefinition(previous);
+        }
+    }
+
+    visitForIn(node) {
+        if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") {
+            this.scopeManager.__nestForScope(node);
+        }
+
+        if (node.left.type === Syntax.VariableDeclaration) {
+            this.visit(node.left);
+            this.visitPattern(node.left.declarations[0].id, pattern => {
+                this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true);
+            });
+        } else {
+            this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
+                let maybeImplicitGlobal = null;
+
+                if (!this.currentScope().isStrict) {
+                    maybeImplicitGlobal = {
+                        pattern,
+                        node
+                    };
+                }
+                this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+                this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false);
+            });
+        }
+        this.visit(node.right);
+        this.visit(node.body);
+
+        this.close(node);
+    }
+
+    visitVariableDeclaration(variableTargetScope, type, node, index) {
+
+        const decl = node.declarations[index];
+        const init = decl.init;
+
+        this.visitPattern(decl.id, { processRightHandNodes: true }, (pattern, info) => {
+            variableTargetScope.__define(
+                pattern,
+                new Definition(
+                    type,
+                    pattern,
+                    decl,
+                    node,
+                    index,
+                    node.kind
+                )
+            );
+
+            this.referencingDefaultValue(pattern, info.assignments, null, true);
+            if (init) {
+                this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true);
+            }
+        });
+    }
+
+    AssignmentExpression(node) {
+        if (PatternVisitor.isPattern(node.left)) {
+            if (node.operator === "=") {
+                this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
+                    let maybeImplicitGlobal = null;
+
+                    if (!this.currentScope().isStrict) {
+                        maybeImplicitGlobal = {
+                            pattern,
+                            node
+                        };
+                    }
+                    this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+                    this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false);
+                });
+            } else {
+                this.currentScope().__referencing(node.left, Reference.RW, node.right);
+            }
+        } else {
+            this.visit(node.left);
+        }
+        this.visit(node.right);
+    }
+
+    CatchClause(node) {
+        this.scopeManager.__nestCatchScope(node);
+
+        this.visitPattern(node.param, { processRightHandNodes: true }, (pattern, info) => {
+            this.currentScope().__define(pattern,
+                new Definition(
+                    Variable.CatchClause,
+                    node.param,
+                    node,
+                    null,
+                    null,
+                    null
+                ));
+            this.referencingDefaultValue(pattern, info.assignments, null, true);
+        });
+        this.visit(node.body);
+
+        this.close(node);
+    }
+
+    Program(node) {
+        this.scopeManager.__nestGlobalScope(node);
+
+        if (this.scopeManager.__isNodejsScope()) {
+
+            // Force strictness of GlobalScope to false when using node.js scope.
+            this.currentScope().isStrict = false;
+            this.scopeManager.__nestFunctionScope(node, false);
+        }
+
+        if (this.scopeManager.__isES6() && this.scopeManager.isModule()) {
+            this.scopeManager.__nestModuleScope(node);
+        }
+
+        if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) {
+            this.currentScope().isStrict = true;
+        }
+
+        this.visitChildren(node);
+        this.close(node);
+    }
+
+    Identifier(node) {
+        this.currentScope().__referencing(node);
+    }
+
+    UpdateExpression(node) {
+        if (PatternVisitor.isPattern(node.argument)) {
+            this.currentScope().__referencing(node.argument, Reference.RW, null);
+        } else {
+            this.visitChildren(node);
+        }
+    }
+
+    MemberExpression(node) {
+        this.visit(node.object);
+        if (node.computed) {
+            this.visit(node.property);
+        }
+    }
+
+    Property(node) {
+        this.visitProperty(node);
+    }
+
+    MethodDefinition(node) {
+        this.visitProperty(node);
+    }
+
+    BreakStatement() {} // eslint-disable-line class-methods-use-this
+
+    ContinueStatement() {} // eslint-disable-line class-methods-use-this
+
+    LabeledStatement(node) {
+        this.visit(node.body);
+    }
+
+    ForStatement(node) {
+
+        // Create ForStatement declaration.
+        // NOTE: In ES6, ForStatement dynamically generates
+        // per iteration environment. However, escope is
+        // a static analyzer, we only generate one scope for ForStatement.
+        if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") {
+            this.scopeManager.__nestForScope(node);
+        }
+
+        this.visitChildren(node);
+
+        this.close(node);
+    }
+
+    ClassExpression(node) {
+        this.visitClass(node);
+    }
+
+    ClassDeclaration(node) {
+        this.visitClass(node);
+    }
+
+    CallExpression(node) {
+
+        // Check this is direct call to eval
+        if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") {
+
+            // NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and
+            // let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment.
+            this.currentScope().variableScope.__detectEval();
+        }
+        this.visitChildren(node);
+    }
+
+    BlockStatement(node) {
+        if (this.scopeManager.__isES6()) {
+            this.scopeManager.__nestBlockScope(node);
+        }
+
+        this.visitChildren(node);
+
+        this.close(node);
+    }
+
+    ThisExpression() {
+        this.currentScope().variableScope.__detectThis();
+    }
+
+    WithStatement(node) {
+        this.visit(node.object);
+
+        // Then nest scope for WithStatement.
+        this.scopeManager.__nestWithScope(node);
+
+        this.visit(node.body);
+
+        this.close(node);
+    }
+
+    VariableDeclaration(node) {
+        const variableTargetScope = (node.kind === "var") ? this.currentScope().variableScope : this.currentScope();
+
+        for (let i = 0, iz = node.declarations.length; i < iz; ++i) {
+            const decl = node.declarations[i];
+
+            this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i);
+            if (decl.init) {
+                this.visit(decl.init);
+            }
+        }
+    }
+
+    // sec 13.11.8
+    SwitchStatement(node) {
+        this.visit(node.discriminant);
+
+        if (this.scopeManager.__isES6()) {
+            this.scopeManager.__nestSwitchScope(node);
+        }
+
+        for (let i = 0, iz = node.cases.length; i < iz; ++i) {
+            this.visit(node.cases[i]);
+        }
+
+        this.close(node);
+    }
+
+    FunctionDeclaration(node) {
+        this.visitFunction(node);
+    }
+
+    FunctionExpression(node) {
+        this.visitFunction(node);
+    }
+
+    ForOfStatement(node) {
+        this.visitForIn(node);
+    }
+
+    ForInStatement(node) {
+        this.visitForIn(node);
+    }
+
+    ArrowFunctionExpression(node) {
+        this.visitFunction(node);
+    }
+
+    ImportDeclaration(node) {
+        assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context.");
+
+        const importer = new Importer(node, this);
+
+        importer.visit(node);
+    }
+
+    visitExportDeclaration(node) {
+        if (node.source) {
+            return;
+        }
+        if (node.declaration) {
+            this.visit(node.declaration);
+            return;
+        }
+
+        this.visitChildren(node);
+    }
+
+    ExportDeclaration(node) {
+        this.visitExportDeclaration(node);
+    }
+
+    ExportNamedDeclaration(node) {
+        this.visitExportDeclaration(node);
+    }
+
+    ExportSpecifier(node) {
+        const local = (node.id || node.local);
+
+        this.visit(local);
+    }
+
+    MetaProperty() { // eslint-disable-line class-methods-use-this
+
+        // do nothing.
+    }
+}
+
+module.exports = Referencer;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/scope-manager.js b/node_modules/eslint-scope/lib/scope-manager.js
new file mode 100644
index 00000000..c1927994
--- /dev/null
+++ b/node_modules/eslint-scope/lib/scope-manager.js
@@ -0,0 +1,247 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+
+const Scope = require("./scope");
+const assert = require("assert");
+
+const GlobalScope = Scope.GlobalScope;
+const CatchScope = Scope.CatchScope;
+const WithScope = Scope.WithScope;
+const ModuleScope = Scope.ModuleScope;
+const ClassScope = Scope.ClassScope;
+const SwitchScope = Scope.SwitchScope;
+const FunctionScope = Scope.FunctionScope;
+const ForScope = Scope.ForScope;
+const FunctionExpressionNameScope = Scope.FunctionExpressionNameScope;
+const BlockScope = Scope.BlockScope;
+
+/**
+ * @class ScopeManager
+ */
+class ScopeManager {
+    constructor(options) {
+        this.scopes = [];
+        this.globalScope = null;
+        this.__nodeToScope = new WeakMap();
+        this.__currentScope = null;
+        this.__options = options;
+        this.__declaredVariables = new WeakMap();
+    }
+
+    __useDirective() {
+        return this.__options.directive;
+    }
+
+    __isOptimistic() {
+        return this.__options.optimistic;
+    }
+
+    __ignoreEval() {
+        return this.__options.ignoreEval;
+    }
+
+    __isNodejsScope() {
+        return this.__options.nodejsScope;
+    }
+
+    isModule() {
+        return this.__options.sourceType === "module";
+    }
+
+    isImpliedStrict() {
+        return this.__options.impliedStrict;
+    }
+
+    isStrictModeSupported() {
+        return this.__options.ecmaVersion >= 5;
+    }
+
+    // Returns appropriate scope for this node.
+    __get(node) {
+        return this.__nodeToScope.get(node);
+    }
+
+    /**
+     * Get variables that are declared by the node.
+     *
+     * "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`.
+     * If the node declares nothing, this method returns an empty array.
+     * CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details.
+     *
+     * @param {Espree.Node} node - a node to get.
+     * @returns {Variable[]} variables that declared by the node.
+     */
+    getDeclaredVariables(node) {
+        return this.__declaredVariables.get(node) || [];
+    }
+
+    /**
+     * acquire scope from node.
+     * @method ScopeManager#acquire
+     * @param {Espree.Node} node - node for the acquired scope.
+     * @param {boolean=} inner - look up the most inner scope, default value is false.
+     * @returns {Scope?} Scope from node
+     */
+    acquire(node, inner) {
+
+        /**
+         * predicate
+         * @param {Scope} testScope - scope to test
+         * @returns {boolean} predicate
+         */
+        function predicate(testScope) {
+            if (testScope.type === "function" && testScope.functionExpressionScope) {
+                return false;
+            }
+            return true;
+        }
+
+        const scopes = this.__get(node);
+
+        if (!scopes || scopes.length === 0) {
+            return null;
+        }
+
+        // Heuristic selection from all scopes.
+        // If you would like to get all scopes, please use ScopeManager#acquireAll.
+        if (scopes.length === 1) {
+            return scopes[0];
+        }
+
+        if (inner) {
+            for (let i = scopes.length - 1; i >= 0; --i) {
+                const scope = scopes[i];
+
+                if (predicate(scope)) {
+                    return scope;
+                }
+            }
+        } else {
+            for (let i = 0, iz = scopes.length; i < iz; ++i) {
+                const scope = scopes[i];
+
+                if (predicate(scope)) {
+                    return scope;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * acquire all scopes from node.
+     * @method ScopeManager#acquireAll
+     * @param {Espree.Node} node - node for the acquired scope.
+     * @returns {Scopes?} Scope array
+     */
+    acquireAll(node) {
+        return this.__get(node);
+    }
+
+    /**
+     * release the node.
+     * @method ScopeManager#release
+     * @param {Espree.Node} node - releasing node.
+     * @param {boolean=} inner - look up the most inner scope, default value is false.
+     * @returns {Scope?} upper scope for the node.
+     */
+    release(node, inner) {
+        const scopes = this.__get(node);
+
+        if (scopes && scopes.length) {
+            const scope = scopes[0].upper;
+
+            if (!scope) {
+                return null;
+            }
+            return this.acquire(scope.block, inner);
+        }
+        return null;
+    }
+
+    attach() { } // eslint-disable-line class-methods-use-this
+
+    detach() { } // eslint-disable-line class-methods-use-this
+
+    __nestScope(scope) {
+        if (scope instanceof GlobalScope) {
+            assert(this.__currentScope === null);
+            this.globalScope = scope;
+        }
+        this.__currentScope = scope;
+        return scope;
+    }
+
+    __nestGlobalScope(node) {
+        return this.__nestScope(new GlobalScope(this, node));
+    }
+
+    __nestBlockScope(node) {
+        return this.__nestScope(new BlockScope(this, this.__currentScope, node));
+    }
+
+    __nestFunctionScope(node, isMethodDefinition) {
+        return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition));
+    }
+
+    __nestForScope(node) {
+        return this.__nestScope(new ForScope(this, this.__currentScope, node));
+    }
+
+    __nestCatchScope(node) {
+        return this.__nestScope(new CatchScope(this, this.__currentScope, node));
+    }
+
+    __nestWithScope(node) {
+        return this.__nestScope(new WithScope(this, this.__currentScope, node));
+    }
+
+    __nestClassScope(node) {
+        return this.__nestScope(new ClassScope(this, this.__currentScope, node));
+    }
+
+    __nestSwitchScope(node) {
+        return this.__nestScope(new SwitchScope(this, this.__currentScope, node));
+    }
+
+    __nestModuleScope(node) {
+        return this.__nestScope(new ModuleScope(this, this.__currentScope, node));
+    }
+
+    __nestFunctionExpressionNameScope(node) {
+        return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node));
+    }
+
+    __isES6() {
+        return this.__options.ecmaVersion >= 6;
+    }
+}
+
+module.exports = ScopeManager;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/scope.js b/node_modules/eslint-scope/lib/scope.js
new file mode 100644
index 00000000..f0c3006c
--- /dev/null
+++ b/node_modules/eslint-scope/lib/scope.js
@@ -0,0 +1,745 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+
+const Reference = require("./reference");
+const Variable = require("./variable");
+const Definition = require("./definition").Definition;
+const assert = require("assert");
+
+/**
+ * Test if scope is struct
+ * @param {Scope} scope - scope
+ * @param {Block} block - block
+ * @param {boolean} isMethodDefinition - is method definiton
+ * @param {boolean} useDirective - use directive
+ * @returns {boolean} is strict scope
+ */
+function isStrictScope(scope, block, isMethodDefinition, useDirective) {
+    let body;
+
+    // When upper scope is exists and strict, inner scope is also strict.
+    if (scope.upper && scope.upper.isStrict) {
+        return true;
+    }
+
+    if (isMethodDefinition) {
+        return true;
+    }
+
+    if (scope.type === "class" || scope.type === "module") {
+        return true;
+    }
+
+    if (scope.type === "block" || scope.type === "switch") {
+        return false;
+    }
+
+    if (scope.type === "function") {
+        if (block.type === Syntax.ArrowFunctionExpression && block.body.type !== Syntax.BlockStatement) {
+            return false;
+        }
+
+        if (block.type === Syntax.Program) {
+            body = block;
+        } else {
+            body = block.body;
+        }
+
+        if (!body) {
+            return false;
+        }
+    } else if (scope.type === "global") {
+        body = block;
+    } else {
+        return false;
+    }
+
+    // Search 'use strict' directive.
+    if (useDirective) {
+        for (let i = 0, iz = body.body.length; i < iz; ++i) {
+            const stmt = body.body[i];
+
+            if (stmt.type !== Syntax.DirectiveStatement) {
+                break;
+            }
+            if (stmt.raw === "\"use strict\"" || stmt.raw === "'use strict'") {
+                return true;
+            }
+        }
+    } else {
+        for (let i = 0, iz = body.body.length; i < iz; ++i) {
+            const stmt = body.body[i];
+
+            if (stmt.type !== Syntax.ExpressionStatement) {
+                break;
+            }
+            const expr = stmt.expression;
+
+            if (expr.type !== Syntax.Literal || typeof expr.value !== "string") {
+                break;
+            }
+            if (expr.raw !== null && expr.raw !== undefined) {
+                if (expr.raw === "\"use strict\"" || expr.raw === "'use strict'") {
+                    return true;
+                }
+            } else {
+                if (expr.value === "use strict") {
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+
+/**
+ * Register scope
+ * @param {ScopeManager} scopeManager - scope manager
+ * @param {Scope} scope - scope
+ * @returns {void}
+ */
+function registerScope(scopeManager, scope) {
+    scopeManager.scopes.push(scope);
+
+    const scopes = scopeManager.__nodeToScope.get(scope.block);
+
+    if (scopes) {
+        scopes.push(scope);
+    } else {
+        scopeManager.__nodeToScope.set(scope.block, [scope]);
+    }
+}
+
+/**
+ * Should be statically
+ * @param {Object} def - def
+ * @returns {boolean} should be statically
+ */
+function shouldBeStatically(def) {
+    return (
+        (def.type === Variable.ClassName) ||
+        (def.type === Variable.Variable && def.parent.kind !== "var")
+    );
+}
+
+/**
+ * @class Scope
+ */
+class Scope {
+    constructor(scopeManager, type, upperScope, block, isMethodDefinition) {
+
+        /**
+         * One of 'module', 'block', 'switch', 'function', 'catch', 'with', 'function', 'class', 'global'.
+         * @member {String} Scope#type
+         */
+        this.type = type;
+
+         /**
+         * The scoped {@link Variable}s of this scope, as <code>{ Variable.name
+         * : Variable }</code>.
+         * @member {Map} Scope#set
+         */
+        this.set = new Map();
+
+        /**
+         * The tainted variables of this scope, as <code>{ Variable.name :
+         * boolean }</code>.
+         * @member {Map} Scope#taints */
+        this.taints = new Map();
+
+        /**
+         * Generally, through the lexical scoping of JS you can always know
+         * which variable an identifier in the source code refers to. There are
+         * a few exceptions to this rule. With 'global' and 'with' scopes you
+         * can only decide at runtime which variable a reference refers to.
+         * Moreover, if 'eval()' is used in a scope, it might introduce new
+         * bindings in this or its parent scopes.
+         * All those scopes are considered 'dynamic'.
+         * @member {boolean} Scope#dynamic
+         */
+        this.dynamic = this.type === "global" || this.type === "with";
+
+        /**
+         * A reference to the scope-defining syntax node.
+         * @member {espree.Node} Scope#block
+         */
+        this.block = block;
+
+         /**
+         * The {@link Reference|references} that are not resolved with this scope.
+         * @member {Reference[]} Scope#through
+         */
+        this.through = [];
+
+         /**
+         * The scoped {@link Variable}s of this scope. In the case of a
+         * 'function' scope this includes the automatic argument <em>arguments</em> as
+         * its first element, as well as all further formal arguments.
+         * @member {Variable[]} Scope#variables
+         */
+        this.variables = [];
+
+         /**
+         * Any variable {@link Reference|reference} found in this scope. This
+         * includes occurrences of local variables as well as variables from
+         * parent scopes (including the global scope). For local variables
+         * this also includes defining occurrences (like in a 'var' statement).
+         * In a 'function' scope this does not include the occurrences of the
+         * formal parameter in the parameter list.
+         * @member {Reference[]} Scope#references
+         */
+        this.references = [];
+
+         /**
+         * For 'global' and 'function' scopes, this is a self-reference. For
+         * other scope types this is the <em>variableScope</em> value of the
+         * parent scope.
+         * @member {Scope} Scope#variableScope
+         */
+        this.variableScope =
+            (this.type === "global" || this.type === "function" || this.type === "module") ? this : upperScope.variableScope;
+
+         /**
+         * Whether this scope is created by a FunctionExpression.
+         * @member {boolean} Scope#functionExpressionScope
+         */
+        this.functionExpressionScope = false;
+
+         /**
+         * Whether this is a scope that contains an 'eval()' invocation.
+         * @member {boolean} Scope#directCallToEvalScope
+         */
+        this.directCallToEvalScope = false;
+
+         /**
+         * @member {boolean} Scope#thisFound
+         */
+        this.thisFound = false;
+
+        this.__left = [];
+
+         /**
+         * Reference to the parent {@link Scope|scope}.
+         * @member {Scope} Scope#upper
+         */
+        this.upper = upperScope;
+
+         /**
+         * Whether 'use strict' is in effect in this scope.
+         * @member {boolean} Scope#isStrict
+         */
+        this.isStrict = isStrictScope(this, block, isMethodDefinition, scopeManager.__useDirective());
+
+         /**
+         * List of nested {@link Scope}s.
+         * @member {Scope[]} Scope#childScopes
+         */
+        this.childScopes = [];
+        if (this.upper) {
+            this.upper.childScopes.push(this);
+        }
+
+        this.__declaredVariables = scopeManager.__declaredVariables;
+
+        registerScope(scopeManager, this);
+    }
+
+    __shouldStaticallyClose(scopeManager) {
+        return (!this.dynamic || scopeManager.__isOptimistic());
+    }
+
+    __shouldStaticallyCloseForGlobal(ref) {
+
+        // On global scope, let/const/class declarations should be resolved statically.
+        const name = ref.identifier.name;
+
+        if (!this.set.has(name)) {
+            return false;
+        }
+
+        const variable = this.set.get(name);
+        const defs = variable.defs;
+
+        return defs.length > 0 && defs.every(shouldBeStatically);
+    }
+
+    __staticCloseRef(ref) {
+        if (!this.__resolve(ref)) {
+            this.__delegateToUpperScope(ref);
+        }
+    }
+
+    __dynamicCloseRef(ref) {
+
+        // notify all names are through to global
+        let current = this;
+
+        do {
+            current.through.push(ref);
+            current = current.upper;
+        } while (current);
+    }
+
+    __globalCloseRef(ref) {
+
+        // let/const/class declarations should be resolved statically.
+        // others should be resolved dynamically.
+        if (this.__shouldStaticallyCloseForGlobal(ref)) {
+            this.__staticCloseRef(ref);
+        } else {
+            this.__dynamicCloseRef(ref);
+        }
+    }
+
+    __close(scopeManager) {
+        let closeRef;
+
+        if (this.__shouldStaticallyClose(scopeManager)) {
+            closeRef = this.__staticCloseRef;
+        } else if (this.type !== "global") {
+            closeRef = this.__dynamicCloseRef;
+        } else {
+            closeRef = this.__globalCloseRef;
+        }
+
+        // Try Resolving all references in this scope.
+        for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+            const ref = this.__left[i];
+
+            closeRef.call(this, ref);
+        }
+        this.__left = null;
+
+        return this.upper;
+    }
+
+    // To override by function scopes.
+    // References in default parameters isn't resolved to variables which are in their function body.
+    __isValidResolution(ref, variable) { // eslint-disable-line class-methods-use-this, no-unused-vars
+        return true;
+    }
+
+    __resolve(ref) {
+        const name = ref.identifier.name;
+
+        if (!this.set.has(name)) {
+            return false;
+        }
+        const variable = this.set.get(name);
+
+        if (!this.__isValidResolution(ref, variable)) {
+            return false;
+        }
+        variable.references.push(ref);
+        variable.stack = variable.stack && ref.from.variableScope === this.variableScope;
+        if (ref.tainted) {
+            variable.tainted = true;
+            this.taints.set(variable.name, true);
+        }
+        ref.resolved = variable;
+
+        return true;
+    }
+
+    __delegateToUpperScope(ref) {
+        if (this.upper) {
+            this.upper.__left.push(ref);
+        }
+        this.through.push(ref);
+    }
+
+    __addDeclaredVariablesOfNode(variable, node) {
+        if (node === null || node === undefined) {
+            return;
+        }
+
+        let variables = this.__declaredVariables.get(node);
+
+        if (variables === null || variables === undefined) {
+            variables = [];
+            this.__declaredVariables.set(node, variables);
+        }
+        if (variables.indexOf(variable) === -1) {
+            variables.push(variable);
+        }
+    }
+
+    __defineGeneric(name, set, variables, node, def) {
+        let variable;
+
+        variable = set.get(name);
+        if (!variable) {
+            variable = new Variable(name, this);
+            set.set(name, variable);
+            variables.push(variable);
+        }
+
+        if (def) {
+            variable.defs.push(def);
+            this.__addDeclaredVariablesOfNode(variable, def.node);
+            this.__addDeclaredVariablesOfNode(variable, def.parent);
+        }
+        if (node) {
+            variable.identifiers.push(node);
+        }
+    }
+
+    __define(node, def) {
+        if (node && node.type === Syntax.Identifier) {
+            this.__defineGeneric(
+                    node.name,
+                    this.set,
+                    this.variables,
+                    node,
+                    def);
+        }
+    }
+
+    __referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) {
+
+        // because Array element may be null
+        if (!node || node.type !== Syntax.Identifier) {
+            return;
+        }
+
+        // Specially handle like `this`.
+        if (node.name === "super") {
+            return;
+        }
+
+        const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init);
+
+        this.references.push(ref);
+        this.__left.push(ref);
+    }
+
+    __detectEval() {
+        let current = this;
+
+        this.directCallToEvalScope = true;
+        do {
+            current.dynamic = true;
+            current = current.upper;
+        } while (current);
+    }
+
+    __detectThis() {
+        this.thisFound = true;
+    }
+
+    __isClosed() {
+        return this.__left === null;
+    }
+
+    /**
+     * returns resolved {Reference}
+     * @method Scope#resolve
+     * @param {Espree.Identifier} ident - identifier to be resolved.
+     * @returns {Reference} reference
+     */
+    resolve(ident) {
+        let ref, i, iz;
+
+        assert(this.__isClosed(), "Scope should be closed.");
+        assert(ident.type === Syntax.Identifier, "Target should be identifier.");
+        for (i = 0, iz = this.references.length; i < iz; ++i) {
+            ref = this.references[i];
+            if (ref.identifier === ident) {
+                return ref;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * returns this scope is static
+     * @method Scope#isStatic
+     * @returns {boolean} static
+     */
+    isStatic() {
+        return !this.dynamic;
+    }
+
+    /**
+     * returns this scope has materialized arguments
+     * @method Scope#isArgumentsMaterialized
+     * @returns {boolean} arguemnts materialized
+     */
+    isArgumentsMaterialized() { // eslint-disable-line class-methods-use-this
+        return true;
+    }
+
+    /**
+     * returns this scope has materialized `this` reference
+     * @method Scope#isThisMaterialized
+     * @returns {boolean} this materialized
+     */
+    isThisMaterialized() { // eslint-disable-line class-methods-use-this
+        return true;
+    }
+
+    isUsedName(name) {
+        if (this.set.has(name)) {
+            return true;
+        }
+        for (let i = 0, iz = this.through.length; i < iz; ++i) {
+            if (this.through[i].identifier.name === name) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
+
+class GlobalScope extends Scope {
+    constructor(scopeManager, block) {
+        super(scopeManager, "global", null, block, false);
+        this.implicit = {
+            set: new Map(),
+            variables: [],
+
+            /**
+            * List of {@link Reference}s that are left to be resolved (i.e. which
+            * need to be linked to the variable they refer to).
+            * @member {Reference[]} Scope#implicit#left
+            */
+            left: []
+        };
+    }
+
+    __close(scopeManager) {
+        const implicit = [];
+
+        for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+            const ref = this.__left[i];
+
+            if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) {
+                implicit.push(ref.__maybeImplicitGlobal);
+            }
+        }
+
+        // create an implicit global variable from assignment expression
+        for (let i = 0, iz = implicit.length; i < iz; ++i) {
+            const info = implicit[i];
+
+            this.__defineImplicit(info.pattern,
+                    new Definition(
+                        Variable.ImplicitGlobalVariable,
+                        info.pattern,
+                        info.node,
+                        null,
+                        null,
+                        null
+                    ));
+
+        }
+
+        this.implicit.left = this.__left;
+
+        return super.__close(scopeManager);
+    }
+
+    __defineImplicit(node, def) {
+        if (node && node.type === Syntax.Identifier) {
+            this.__defineGeneric(
+                    node.name,
+                    this.implicit.set,
+                    this.implicit.variables,
+                    node,
+                    def);
+        }
+    }
+}
+
+class ModuleScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "module", upperScope, block, false);
+    }
+}
+
+class FunctionExpressionNameScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "function-expression-name", upperScope, block, false);
+        this.__define(block.id,
+                new Definition(
+                    Variable.FunctionName,
+                    block.id,
+                    block,
+                    null,
+                    null,
+                    null
+                ));
+        this.functionExpressionScope = true;
+    }
+}
+
+class CatchScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "catch", upperScope, block, false);
+    }
+}
+
+class WithScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "with", upperScope, block, false);
+    }
+
+    __close(scopeManager) {
+        if (this.__shouldStaticallyClose(scopeManager)) {
+            return super.__close(scopeManager);
+        }
+
+        for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+            const ref = this.__left[i];
+
+            ref.tainted = true;
+            this.__delegateToUpperScope(ref);
+        }
+        this.__left = null;
+
+        return this.upper;
+    }
+}
+
+class BlockScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "block", upperScope, block, false);
+    }
+}
+
+class SwitchScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "switch", upperScope, block, false);
+    }
+}
+
+class FunctionScope extends Scope {
+    constructor(scopeManager, upperScope, block, isMethodDefinition) {
+        super(scopeManager, "function", upperScope, block, isMethodDefinition);
+
+        // section 9.2.13, FunctionDeclarationInstantiation.
+        // NOTE Arrow functions never have an arguments objects.
+        if (this.block.type !== Syntax.ArrowFunctionExpression) {
+            this.__defineArguments();
+        }
+    }
+
+    isArgumentsMaterialized() {
+
+        // TODO(Constellation)
+        // We can more aggressive on this condition like this.
+        //
+        // function t() {
+        //     // arguments of t is always hidden.
+        //     function arguments() {
+        //     }
+        // }
+        if (this.block.type === Syntax.ArrowFunctionExpression) {
+            return false;
+        }
+
+        if (!this.isStatic()) {
+            return true;
+        }
+
+        const variable = this.set.get("arguments");
+
+        assert(variable, "Always have arguments variable.");
+        return variable.tainted || variable.references.length !== 0;
+    }
+
+    isThisMaterialized() {
+        if (!this.isStatic()) {
+            return true;
+        }
+        return this.thisFound;
+    }
+
+    __defineArguments() {
+        this.__defineGeneric(
+                "arguments",
+                this.set,
+                this.variables,
+                null,
+                null);
+        this.taints.set("arguments", true);
+    }
+
+    // References in default parameters isn't resolved to variables which are in their function body.
+    //     const x = 1
+    //     function f(a = x) { // This `x` is resolved to the `x` in the outer scope.
+    //         const x = 2
+    //         console.log(a)
+    //     }
+    __isValidResolution(ref, variable) {
+
+        // If `options.nodejsScope` is true, `this.block` becomes a Program node.
+        if (this.block.type === "Program") {
+            return true;
+        }
+
+        const bodyStart = this.block.body.range[0];
+
+        // It's invalid resolution in the following case:
+        return !(
+            variable.scope === this &&
+            ref.identifier.range[0] < bodyStart &&                 // the reference is in the parameter part.
+            variable.defs.every(d => d.name.range[0] >= bodyStart) // the variable is in the body.
+        );
+    }
+}
+
+class ForScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "for", upperScope, block, false);
+    }
+}
+
+class ClassScope extends Scope {
+    constructor(scopeManager, upperScope, block) {
+        super(scopeManager, "class", upperScope, block, false);
+    }
+}
+
+module.exports = {
+    Scope,
+    GlobalScope,
+    ModuleScope,
+    FunctionExpressionNameScope,
+    CatchScope,
+    WithScope,
+    BlockScope,
+    SwitchScope,
+    FunctionScope,
+    ForScope,
+    ClassScope
+};
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/lib/variable.js b/node_modules/eslint-scope/lib/variable.js
new file mode 100644
index 00000000..702c4780
--- /dev/null
+++ b/node_modules/eslint-scope/lib/variable.js
@@ -0,0 +1,88 @@
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/**
+ * A Variable represents a locally scoped identifier. These include arguments to
+ * functions.
+ * @class Variable
+ */
+class Variable {
+    constructor(name, scope) {
+
+        /**
+         * The variable name, as given in the source code.
+         * @member {String} Variable#name
+         */
+        this.name = name;
+
+        /**
+         * List of defining occurrences of this variable (like in 'var ...'
+         * statements or as parameter), as AST nodes.
+         * @member {espree.Identifier[]} Variable#identifiers
+         */
+        this.identifiers = [];
+
+        /**
+         * List of {@link Reference|references} of this variable (excluding parameter entries)
+         * in its defining scope and all nested scopes. For defining
+         * occurrences only see {@link Variable#defs}.
+         * @member {Reference[]} Variable#references
+         */
+        this.references = [];
+
+        /**
+         * List of defining occurrences of this variable (like in 'var ...'
+         * statements or as parameter), as custom objects.
+         * @member {Definition[]} Variable#defs
+         */
+        this.defs = [];
+
+        this.tainted = false;
+
+        /**
+         * Whether this is a stack variable.
+         * @member {boolean} Variable#stack
+         */
+        this.stack = true;
+
+        /**
+         * Reference to the enclosing Scope.
+         * @member {Scope} Variable#scope
+         */
+        this.scope = scope;
+    }
+}
+
+Variable.CatchClause = "CatchClause";
+Variable.Parameter = "Parameter";
+Variable.FunctionName = "FunctionName";
+Variable.ClassName = "ClassName";
+Variable.Variable = "Variable";
+Variable.ImportBinding = "ImportBinding";
+Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable";
+
+module.exports = Variable;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/eslint-scope/package.json b/node_modules/eslint-scope/package.json
new file mode 100644
index 00000000..52e9412a
--- /dev/null
+++ b/node_modules/eslint-scope/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "eslint-scope",
+  "description": "ECMAScript scope analyzer for ESLint",
+  "homepage": "http://github.com/eslint/eslint-scope",
+  "main": "lib/index.js",
+  "version": "4.0.3",
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "repository": "eslint/eslint-scope",
+  "bugs": {
+    "url": "https://github.com/eslint/eslint-scope/issues"
+  },
+  "license": "BSD-2-Clause",
+  "scripts": {
+    "test": "node Makefile.js test",
+    "lint": "node Makefile.js lint",
+    "generate-release": "eslint-generate-release",
+    "generate-alpharelease": "eslint-generate-prerelease alpha",
+    "generate-betarelease": "eslint-generate-prerelease beta",
+    "generate-rcrelease": "eslint-generate-prerelease rc",
+    "publish-release": "eslint-publish-release"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "lib"
+  ],
+  "dependencies": {
+    "esrecurse": "^4.1.0",
+    "estraverse": "^4.1.1"
+  },
+  "devDependencies": {
+    "chai": "^3.4.1",
+    "eslint": "^3.15.0",
+    "eslint-config-eslint": "^4.0.0",
+    "eslint-release": "^1.0.0",
+    "espree": "^3.1.1",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.2.0",
+    "npm-license": "^0.3.3",
+    "shelljs": "^0.7.6",
+    "typescript": "~2.0.10",
+    "typescript-eslint-parser": "^1.0.0"
+  }
+}
diff --git a/node_modules/esrecurse/.babelrc b/node_modules/esrecurse/.babelrc
new file mode 100644
index 00000000..a0765e18
--- /dev/null
+++ b/node_modules/esrecurse/.babelrc
@@ -0,0 +1,3 @@
+{
+    "presets": ["es2015"]
+}
diff --git a/node_modules/esrecurse/README.md b/node_modules/esrecurse/README.md
new file mode 100644
index 00000000..ffea6b43
--- /dev/null
+++ b/node_modules/esrecurse/README.md
@@ -0,0 +1,171 @@
+### Esrecurse [![Build Status](https://travis-ci.org/estools/esrecurse.svg?branch=master)](https://travis-ci.org/estools/esrecurse)
+
+Esrecurse ([esrecurse](https://github.com/estools/esrecurse)) is
+[ECMAScript](https://www.ecma-international.org/publications/standards/Ecma-262.htm)
+recursive traversing functionality.
+
+### Example Usage
+
+The following code will output all variables declared at the root of a file.
+
+```javascript
+esrecurse.visit(ast, {
+    XXXStatement: function (node) {
+        this.visit(node.left);
+        // do something...
+        this.visit(node.right);
+    }
+});
+```
+
+We can use `Visitor` instance.
+
+```javascript
+var visitor = new esrecurse.Visitor({
+    XXXStatement: function (node) {
+        this.visit(node.left);
+        // do something...
+        this.visit(node.right);
+    }
+});
+
+visitor.visit(ast);
+```
+
+We can inherit `Visitor` instance easily.
+
+```javascript
+class Derived extends esrecurse.Visitor {
+    constructor()
+    {
+        super(null);
+    }
+
+    XXXStatement(node) {
+    }
+}
+```
+
+```javascript
+function DerivedVisitor() {
+    esrecurse.Visitor.call(/* this for constructor */  this  /* visitor object automatically becomes this. */);
+}
+util.inherits(DerivedVisitor, esrecurse.Visitor);
+DerivedVisitor.prototype.XXXStatement = function (node) {
+    this.visit(node.left);
+    // do something...
+    this.visit(node.right);
+};
+```
+
+And you can invoke default visiting operation inside custom visit operation.
+
+```javascript
+function DerivedVisitor() {
+    esrecurse.Visitor.call(/* this for constructor */  this  /* visitor object automatically becomes this. */);
+}
+util.inherits(DerivedVisitor, esrecurse.Visitor);
+DerivedVisitor.prototype.XXXStatement = function (node) {
+    // do something...
+    this.visitChildren(node);
+};
+```
+
+The `childVisitorKeys` option does customize the behaviour of `this.visitChildren(node)`.
+We can use user-defined node types.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+esrecurse.visit(
+    ast,
+    {
+        Literal: function (node) {
+            // do something...
+        }
+    },
+    {
+        // Extending the existing traversing rules.
+        childVisitorKeys: {
+            // TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ]
+            TestExpression: ['argument']
+        }
+    }
+);
+```
+
+We can use the `fallback` option as well.
+If the `fallback` option is `"iteration"`, `esrecurse` would visit all enumerable properties of unknown nodes.
+Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`).
+
+```javascript
+esrecurse.visit(
+    ast,
+    {
+        Literal: function (node) {
+            // do something...
+        }
+    },
+    {
+        fallback: 'iteration'
+    }
+);
+```
+
+If the `fallback` option is a function, `esrecurse` calls this function to determine the enumerable properties of unknown nodes.
+Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`).
+
+```javascript
+esrecurse.visit(
+    ast,
+    {
+        Literal: function (node) {
+            // do something...
+        }
+    },
+    {
+        fallback: function (node) {
+            return Object.keys(node).filter(function(key) {
+                return key !== 'argument'
+            });
+        }
+    }
+);
+```
+
+### License
+
+Copyright (C) 2014 [Yusuke Suzuki](https://github.com/Constellation)
+ (twitter: [@Constellation](https://twitter.com/Constellation)) and other contributors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/esrecurse/esrecurse.js b/node_modules/esrecurse/esrecurse.js
new file mode 100644
index 00000000..15d57dfd
--- /dev/null
+++ b/node_modules/esrecurse/esrecurse.js
@@ -0,0 +1,117 @@
+/*
+  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+    'use strict';
+
+    var estraverse = require('estraverse');
+
+    function isNode(node) {
+        if (node == null) {
+            return false;
+        }
+        return typeof node === 'object' && typeof node.type === 'string';
+    }
+
+    function isProperty(nodeType, key) {
+        return (nodeType === estraverse.Syntax.ObjectExpression || nodeType === estraverse.Syntax.ObjectPattern) && key === 'properties';
+    }
+
+    function Visitor(visitor, options) {
+        options = options || {};
+
+        this.__visitor = visitor ||  this;
+        this.__childVisitorKeys = options.childVisitorKeys
+            ? Object.assign({}, estraverse.VisitorKeys, options.childVisitorKeys)
+            : estraverse.VisitorKeys;
+        if (options.fallback === 'iteration') {
+            this.__fallback = Object.keys;
+        } else if (typeof options.fallback === 'function') {
+            this.__fallback = options.fallback;
+        }
+    }
+
+    /* Default method for visiting children.
+     * When you need to call default visiting operation inside custom visiting
+     * operation, you can use it with `this.visitChildren(node)`.
+     */
+    Visitor.prototype.visitChildren = function (node) {
+        var type, children, i, iz, j, jz, child;
+
+        if (node == null) {
+            return;
+        }
+
+        type = node.type || estraverse.Syntax.Property;
+
+        children = this.__childVisitorKeys[type];
+        if (!children) {
+            if (this.__fallback) {
+                children = this.__fallback(node);
+            } else {
+                throw new Error('Unknown node type ' + type + '.');
+            }
+        }
+
+        for (i = 0, iz = children.length; i < iz; ++i) {
+            child = node[children[i]];
+            if (child) {
+                if (Array.isArray(child)) {
+                    for (j = 0, jz = child.length; j < jz; ++j) {
+                        if (child[j]) {
+                            if (isNode(child[j]) || isProperty(type, children[i])) {
+                                this.visit(child[j]);
+                            }
+                        }
+                    }
+                } else if (isNode(child)) {
+                    this.visit(child);
+                }
+            }
+        }
+    };
+
+    /* Dispatching node. */
+    Visitor.prototype.visit = function (node) {
+        var type;
+
+        if (node == null) {
+            return;
+        }
+
+        type = node.type || estraverse.Syntax.Property;
+        if (this.__visitor[type]) {
+            this.__visitor[type].call(this, node);
+            return;
+        }
+        this.visitChildren(node);
+    };
+
+    exports.version = require('./package.json').version;
+    exports.Visitor = Visitor;
+    exports.visit = function (node, visitor, options) {
+        var v = new Visitor(visitor, options);
+        v.visit(node);
+    };
+}());
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/esrecurse/gulpfile.babel.js b/node_modules/esrecurse/gulpfile.babel.js
new file mode 100644
index 00000000..aa881c9c
--- /dev/null
+++ b/node_modules/esrecurse/gulpfile.babel.js
@@ -0,0 +1,92 @@
+// Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//   * Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+//   * Redistributions in binary form must reproduce the above copyright
+//     notice, this list of conditions and the following disclaimer in the
+//     documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import gulp from 'gulp';
+import mocha from 'gulp-mocha';
+import eslint from 'gulp-eslint';
+import minimist from 'minimist';
+import git from 'gulp-git';
+import bump from 'gulp-bump';
+import filter from 'gulp-filter';
+import tagVersion from 'gulp-tag-version';
+import 'babel-register';
+
+const SOURCE = [
+    '*.js'
+];
+
+let ESLINT_OPTION = {
+    parser: 'babel-eslint',
+    parserOptions: {
+        'sourceType': 'module'
+    },
+    rules: {
+        'quotes': 0,
+        'eqeqeq': 0,
+        'no-use-before-define': 0,
+        'no-shadow': 0,
+        'no-new': 0,
+        'no-underscore-dangle': 0,
+        'no-multi-spaces': 0,
+        'no-native-reassign': 0,
+        'no-loop-func': 0
+    },
+    env: {
+        'node': true
+    }
+};
+
+gulp.task('test', function() {
+    let options = minimist(process.argv.slice(2), {
+        string: 'test',
+        default: {
+            test: 'test/*.js'
+        }
+    }
+    );
+    return gulp.src(options.test).pipe(mocha({reporter: 'spec'}));
+});
+
+gulp.task('lint', () =>
+    gulp.src(SOURCE)
+    .pipe(eslint(ESLINT_OPTION))
+    .pipe(eslint.formatEach('stylish', process.stderr))
+    .pipe(eslint.failOnError())
+);
+
+let inc = importance =>
+    gulp.src(['./package.json'])
+        .pipe(bump({type: importance}))
+        .pipe(gulp.dest('./'))
+        .pipe(git.commit('Bumps package version'))
+        .pipe(filter('package.json'))
+        .pipe(tagVersion({
+            prefix: ''
+        }))
+;
+
+gulp.task('travis', [ 'lint', 'test' ]);
+gulp.task('default', [ 'travis' ]);
+
+gulp.task('patch', [ ], () => inc('patch'));
+gulp.task('minor', [ ], () => inc('minor'));
+gulp.task('major', [ ], () => inc('major'));
diff --git a/node_modules/esrecurse/node_modules/estraverse/.jshintrc b/node_modules/esrecurse/node_modules/estraverse/.jshintrc
new file mode 100644
index 00000000..f642dae7
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/.jshintrc
@@ -0,0 +1,16 @@
+{
+  "curly": true,
+  "eqeqeq": true,
+  "immed": true,
+  "eqnull": true,
+  "latedef": true,
+  "noarg": true,
+  "noempty": true,
+  "quotmark": "single",
+  "undef": true,
+  "unused": true,
+  "strict": true,
+  "trailing": true,
+
+  "node": true
+}
diff --git a/node_modules/esrecurse/node_modules/estraverse/LICENSE.BSD b/node_modules/esrecurse/node_modules/estraverse/LICENSE.BSD
new file mode 100644
index 00000000..3e580c35
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/LICENSE.BSD
@@ -0,0 +1,19 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/esrecurse/node_modules/estraverse/README.md b/node_modules/esrecurse/node_modules/estraverse/README.md
new file mode 100644
index 00000000..ccd3377f
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/README.md
@@ -0,0 +1,153 @@
+### Estraverse [![Build Status](https://secure.travis-ci.org/estools/estraverse.svg)](http://travis-ci.org/estools/estraverse)
+
+Estraverse ([estraverse](http://github.com/estools/estraverse)) is
+[ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm)
+traversal functions from [esmangle project](http://github.com/estools/esmangle).
+
+### Documentation
+
+You can find usage docs at [wiki page](https://github.com/estools/estraverse/wiki/Usage).
+
+### Example Usage
+
+The following code will output all variables declared at the root of a file.
+
+```javascript
+estraverse.traverse(ast, {
+    enter: function (node, parent) {
+        if (node.type == 'FunctionExpression' || node.type == 'FunctionDeclaration')
+            return estraverse.VisitorOption.Skip;
+    },
+    leave: function (node, parent) {
+        if (node.type == 'VariableDeclarator')
+          console.log(node.id.name);
+    }
+});
+```
+
+We can use `this.skip`, `this.remove` and `this.break` functions instead of using Skip, Remove and Break.
+
+```javascript
+estraverse.traverse(ast, {
+    enter: function (node) {
+        this.break();
+    }
+});
+```
+
+And estraverse provides `estraverse.replace` function. When returning node from `enter`/`leave`, current node is replaced with it.
+
+```javascript
+result = estraverse.replace(tree, {
+    enter: function (node) {
+        // Replace it with replaced.
+        if (node.type === 'Literal')
+            return replaced;
+    }
+});
+```
+
+By passing `visitor.keys` mapping, we can extend estraverse traversing functionality.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Extending the existing traversing rules.
+    keys: {
+        // TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ]
+        TestExpression: ['argument']
+    }
+});
+```
+
+By passing `visitor.fallback` option, we can control the behavior when encountering unknown nodes.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Iterating the child **nodes** of unknown nodes.
+    fallback: 'iteration'
+});
+```
+
+When `visitor.fallback` is a function, we can determine which keys to visit on each node.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Skip the `argument` property of each node
+    fallback: function(node) {
+        return Object.keys(node).filter(function(key) {
+            return key !== 'argument';
+        });
+    }
+});
+```
+
+### License
+
+Copyright (C) 2012-2016 [Yusuke Suzuki](http://github.com/Constellation)
+ (twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/esrecurse/node_modules/estraverse/estraverse.js b/node_modules/esrecurse/node_modules/estraverse/estraverse.js
new file mode 100644
index 00000000..f0d9af9b
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/estraverse.js
@@ -0,0 +1,805 @@
+/*
+  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/*jslint vars:false, bitwise:true*/
+/*jshint indent:4*/
+/*global exports:true*/
+(function clone(exports) {
+    'use strict';
+
+    var Syntax,
+        VisitorOption,
+        VisitorKeys,
+        BREAK,
+        SKIP,
+        REMOVE;
+
+    function deepCopy(obj) {
+        var ret = {}, key, val;
+        for (key in obj) {
+            if (obj.hasOwnProperty(key)) {
+                val = obj[key];
+                if (typeof val === 'object' && val !== null) {
+                    ret[key] = deepCopy(val);
+                } else {
+                    ret[key] = val;
+                }
+            }
+        }
+        return ret;
+    }
+
+    // based on LLVM libc++ upper_bound / lower_bound
+    // MIT License
+
+    function upperBound(array, func) {
+        var diff, len, i, current;
+
+        len = array.length;
+        i = 0;
+
+        while (len) {
+            diff = len >>> 1;
+            current = i + diff;
+            if (func(array[current])) {
+                len = diff;
+            } else {
+                i = current + 1;
+                len -= diff + 1;
+            }
+        }
+        return i;
+    }
+
+    Syntax = {
+        AssignmentExpression: 'AssignmentExpression',
+        AssignmentPattern: 'AssignmentPattern',
+        ArrayExpression: 'ArrayExpression',
+        ArrayPattern: 'ArrayPattern',
+        ArrowFunctionExpression: 'ArrowFunctionExpression',
+        AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
+        BlockStatement: 'BlockStatement',
+        BinaryExpression: 'BinaryExpression',
+        BreakStatement: 'BreakStatement',
+        CallExpression: 'CallExpression',
+        CatchClause: 'CatchClause',
+        ChainExpression: 'ChainExpression',
+        ClassBody: 'ClassBody',
+        ClassDeclaration: 'ClassDeclaration',
+        ClassExpression: 'ClassExpression',
+        ComprehensionBlock: 'ComprehensionBlock',  // CAUTION: It's deferred to ES7.
+        ComprehensionExpression: 'ComprehensionExpression',  // CAUTION: It's deferred to ES7.
+        ConditionalExpression: 'ConditionalExpression',
+        ContinueStatement: 'ContinueStatement',
+        DebuggerStatement: 'DebuggerStatement',
+        DirectiveStatement: 'DirectiveStatement',
+        DoWhileStatement: 'DoWhileStatement',
+        EmptyStatement: 'EmptyStatement',
+        ExportAllDeclaration: 'ExportAllDeclaration',
+        ExportDefaultDeclaration: 'ExportDefaultDeclaration',
+        ExportNamedDeclaration: 'ExportNamedDeclaration',
+        ExportSpecifier: 'ExportSpecifier',
+        ExpressionStatement: 'ExpressionStatement',
+        ForStatement: 'ForStatement',
+        ForInStatement: 'ForInStatement',
+        ForOfStatement: 'ForOfStatement',
+        FunctionDeclaration: 'FunctionDeclaration',
+        FunctionExpression: 'FunctionExpression',
+        GeneratorExpression: 'GeneratorExpression',  // CAUTION: It's deferred to ES7.
+        Identifier: 'Identifier',
+        IfStatement: 'IfStatement',
+        ImportExpression: 'ImportExpression',
+        ImportDeclaration: 'ImportDeclaration',
+        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
+        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
+        ImportSpecifier: 'ImportSpecifier',
+        Literal: 'Literal',
+        LabeledStatement: 'LabeledStatement',
+        LogicalExpression: 'LogicalExpression',
+        MemberExpression: 'MemberExpression',
+        MetaProperty: 'MetaProperty',
+        MethodDefinition: 'MethodDefinition',
+        ModuleSpecifier: 'ModuleSpecifier',
+        NewExpression: 'NewExpression',
+        ObjectExpression: 'ObjectExpression',
+        ObjectPattern: 'ObjectPattern',
+        PrivateIdentifier: 'PrivateIdentifier',
+        Program: 'Program',
+        Property: 'Property',
+        PropertyDefinition: 'PropertyDefinition',
+        RestElement: 'RestElement',
+        ReturnStatement: 'ReturnStatement',
+        SequenceExpression: 'SequenceExpression',
+        SpreadElement: 'SpreadElement',
+        Super: 'Super',
+        SwitchStatement: 'SwitchStatement',
+        SwitchCase: 'SwitchCase',
+        TaggedTemplateExpression: 'TaggedTemplateExpression',
+        TemplateElement: 'TemplateElement',
+        TemplateLiteral: 'TemplateLiteral',
+        ThisExpression: 'ThisExpression',
+        ThrowStatement: 'ThrowStatement',
+        TryStatement: 'TryStatement',
+        UnaryExpression: 'UnaryExpression',
+        UpdateExpression: 'UpdateExpression',
+        VariableDeclaration: 'VariableDeclaration',
+        VariableDeclarator: 'VariableDeclarator',
+        WhileStatement: 'WhileStatement',
+        WithStatement: 'WithStatement',
+        YieldExpression: 'YieldExpression'
+    };
+
+    VisitorKeys = {
+        AssignmentExpression: ['left', 'right'],
+        AssignmentPattern: ['left', 'right'],
+        ArrayExpression: ['elements'],
+        ArrayPattern: ['elements'],
+        ArrowFunctionExpression: ['params', 'body'],
+        AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
+        BlockStatement: ['body'],
+        BinaryExpression: ['left', 'right'],
+        BreakStatement: ['label'],
+        CallExpression: ['callee', 'arguments'],
+        CatchClause: ['param', 'body'],
+        ChainExpression: ['expression'],
+        ClassBody: ['body'],
+        ClassDeclaration: ['id', 'superClass', 'body'],
+        ClassExpression: ['id', 'superClass', 'body'],
+        ComprehensionBlock: ['left', 'right'],  // CAUTION: It's deferred to ES7.
+        ComprehensionExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
+        ConditionalExpression: ['test', 'consequent', 'alternate'],
+        ContinueStatement: ['label'],
+        DebuggerStatement: [],
+        DirectiveStatement: [],
+        DoWhileStatement: ['body', 'test'],
+        EmptyStatement: [],
+        ExportAllDeclaration: ['source'],
+        ExportDefaultDeclaration: ['declaration'],
+        ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
+        ExportSpecifier: ['exported', 'local'],
+        ExpressionStatement: ['expression'],
+        ForStatement: ['init', 'test', 'update', 'body'],
+        ForInStatement: ['left', 'right', 'body'],
+        ForOfStatement: ['left', 'right', 'body'],
+        FunctionDeclaration: ['id', 'params', 'body'],
+        FunctionExpression: ['id', 'params', 'body'],
+        GeneratorExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
+        Identifier: [],
+        IfStatement: ['test', 'consequent', 'alternate'],
+        ImportExpression: ['source'],
+        ImportDeclaration: ['specifiers', 'source'],
+        ImportDefaultSpecifier: ['local'],
+        ImportNamespaceSpecifier: ['local'],
+        ImportSpecifier: ['imported', 'local'],
+        Literal: [],
+        LabeledStatement: ['label', 'body'],
+        LogicalExpression: ['left', 'right'],
+        MemberExpression: ['object', 'property'],
+        MetaProperty: ['meta', 'property'],
+        MethodDefinition: ['key', 'value'],
+        ModuleSpecifier: [],
+        NewExpression: ['callee', 'arguments'],
+        ObjectExpression: ['properties'],
+        ObjectPattern: ['properties'],
+        PrivateIdentifier: [],
+        Program: ['body'],
+        Property: ['key', 'value'],
+        PropertyDefinition: ['key', 'value'],
+        RestElement: [ 'argument' ],
+        ReturnStatement: ['argument'],
+        SequenceExpression: ['expressions'],
+        SpreadElement: ['argument'],
+        Super: [],
+        SwitchStatement: ['discriminant', 'cases'],
+        SwitchCase: ['test', 'consequent'],
+        TaggedTemplateExpression: ['tag', 'quasi'],
+        TemplateElement: [],
+        TemplateLiteral: ['quasis', 'expressions'],
+        ThisExpression: [],
+        ThrowStatement: ['argument'],
+        TryStatement: ['block', 'handler', 'finalizer'],
+        UnaryExpression: ['argument'],
+        UpdateExpression: ['argument'],
+        VariableDeclaration: ['declarations'],
+        VariableDeclarator: ['id', 'init'],
+        WhileStatement: ['test', 'body'],
+        WithStatement: ['object', 'body'],
+        YieldExpression: ['argument']
+    };
+
+    // unique id
+    BREAK = {};
+    SKIP = {};
+    REMOVE = {};
+
+    VisitorOption = {
+        Break: BREAK,
+        Skip: SKIP,
+        Remove: REMOVE
+    };
+
+    function Reference(parent, key) {
+        this.parent = parent;
+        this.key = key;
+    }
+
+    Reference.prototype.replace = function replace(node) {
+        this.parent[this.key] = node;
+    };
+
+    Reference.prototype.remove = function remove() {
+        if (Array.isArray(this.parent)) {
+            this.parent.splice(this.key, 1);
+            return true;
+        } else {
+            this.replace(null);
+            return false;
+        }
+    };
+
+    function Element(node, path, wrap, ref) {
+        this.node = node;
+        this.path = path;
+        this.wrap = wrap;
+        this.ref = ref;
+    }
+
+    function Controller() { }
+
+    // API:
+    // return property path array from root to current node
+    Controller.prototype.path = function path() {
+        var i, iz, j, jz, result, element;
+
+        function addToPath(result, path) {
+            if (Array.isArray(path)) {
+                for (j = 0, jz = path.length; j < jz; ++j) {
+                    result.push(path[j]);
+                }
+            } else {
+                result.push(path);
+            }
+        }
+
+        // root node
+        if (!this.__current.path) {
+            return null;
+        }
+
+        // first node is sentinel, second node is root element
+        result = [];
+        for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
+            element = this.__leavelist[i];
+            addToPath(result, element.path);
+        }
+        addToPath(result, this.__current.path);
+        return result;
+    };
+
+    // API:
+    // return type of current node
+    Controller.prototype.type = function () {
+        var node = this.current();
+        return node.type || this.__current.wrap;
+    };
+
+    // API:
+    // return array of parent elements
+    Controller.prototype.parents = function parents() {
+        var i, iz, result;
+
+        // first node is sentinel
+        result = [];
+        for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
+            result.push(this.__leavelist[i].node);
+        }
+
+        return result;
+    };
+
+    // API:
+    // return current node
+    Controller.prototype.current = function current() {
+        return this.__current.node;
+    };
+
+    Controller.prototype.__execute = function __execute(callback, element) {
+        var previous, result;
+
+        result = undefined;
+
+        previous  = this.__current;
+        this.__current = element;
+        this.__state = null;
+        if (callback) {
+            result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
+        }
+        this.__current = previous;
+
+        return result;
+    };
+
+    // API:
+    // notify control skip / break
+    Controller.prototype.notify = function notify(flag) {
+        this.__state = flag;
+    };
+
+    // API:
+    // skip child nodes of current node
+    Controller.prototype.skip = function () {
+        this.notify(SKIP);
+    };
+
+    // API:
+    // break traversals
+    Controller.prototype['break'] = function () {
+        this.notify(BREAK);
+    };
+
+    // API:
+    // remove node
+    Controller.prototype.remove = function () {
+        this.notify(REMOVE);
+    };
+
+    Controller.prototype.__initialize = function(root, visitor) {
+        this.visitor = visitor;
+        this.root = root;
+        this.__worklist = [];
+        this.__leavelist = [];
+        this.__current = null;
+        this.__state = null;
+        this.__fallback = null;
+        if (visitor.fallback === 'iteration') {
+            this.__fallback = Object.keys;
+        } else if (typeof visitor.fallback === 'function') {
+            this.__fallback = visitor.fallback;
+        }
+
+        this.__keys = VisitorKeys;
+        if (visitor.keys) {
+            this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);
+        }
+    };
+
+    function isNode(node) {
+        if (node == null) {
+            return false;
+        }
+        return typeof node === 'object' && typeof node.type === 'string';
+    }
+
+    function isProperty(nodeType, key) {
+        return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
+    }
+  
+    function candidateExistsInLeaveList(leavelist, candidate) {
+        for (var i = leavelist.length - 1; i >= 0; --i) {
+            if (leavelist[i].node === candidate) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    Controller.prototype.traverse = function traverse(root, visitor) {
+        var worklist,
+            leavelist,
+            element,
+            node,
+            nodeType,
+            ret,
+            key,
+            current,
+            current2,
+            candidates,
+            candidate,
+            sentinel;
+
+        this.__initialize(root, visitor);
+
+        sentinel = {};
+
+        // reference
+        worklist = this.__worklist;
+        leavelist = this.__leavelist;
+
+        // initialize
+        worklist.push(new Element(root, null, null, null));
+        leavelist.push(new Element(null, null, null, null));
+
+        while (worklist.length) {
+            element = worklist.pop();
+
+            if (element === sentinel) {
+                element = leavelist.pop();
+
+                ret = this.__execute(visitor.leave, element);
+
+                if (this.__state === BREAK || ret === BREAK) {
+                    return;
+                }
+                continue;
+            }
+
+            if (element.node) {
+
+                ret = this.__execute(visitor.enter, element);
+
+                if (this.__state === BREAK || ret === BREAK) {
+                    return;
+                }
+
+                worklist.push(sentinel);
+                leavelist.push(element);
+
+                if (this.__state === SKIP || ret === SKIP) {
+                    continue;
+                }
+
+                node = element.node;
+                nodeType = node.type || element.wrap;
+                candidates = this.__keys[nodeType];
+                if (!candidates) {
+                    if (this.__fallback) {
+                        candidates = this.__fallback(node);
+                    } else {
+                        throw new Error('Unknown node type ' + nodeType + '.');
+                    }
+                }
+
+                current = candidates.length;
+                while ((current -= 1) >= 0) {
+                    key = candidates[current];
+                    candidate = node[key];
+                    if (!candidate) {
+                        continue;
+                    }
+
+                    if (Array.isArray(candidate)) {
+                        current2 = candidate.length;
+                        while ((current2 -= 1) >= 0) {
+                            if (!candidate[current2]) {
+                                continue;
+                            }
+
+                            if (candidateExistsInLeaveList(leavelist, candidate[current2])) {
+                              continue;
+                            }
+
+                            if (isProperty(nodeType, candidates[current])) {
+                                element = new Element(candidate[current2], [key, current2], 'Property', null);
+                            } else if (isNode(candidate[current2])) {
+                                element = new Element(candidate[current2], [key, current2], null, null);
+                            } else {
+                                continue;
+                            }
+                            worklist.push(element);
+                        }
+                    } else if (isNode(candidate)) {
+                        if (candidateExistsInLeaveList(leavelist, candidate)) {
+                          continue;
+                        }
+
+                        worklist.push(new Element(candidate, key, null, null));
+                    }
+                }
+            }
+        }
+    };
+
+    Controller.prototype.replace = function replace(root, visitor) {
+        var worklist,
+            leavelist,
+            node,
+            nodeType,
+            target,
+            element,
+            current,
+            current2,
+            candidates,
+            candidate,
+            sentinel,
+            outer,
+            key;
+
+        function removeElem(element) {
+            var i,
+                key,
+                nextElem,
+                parent;
+
+            if (element.ref.remove()) {
+                // When the reference is an element of an array.
+                key = element.ref.key;
+                parent = element.ref.parent;
+
+                // If removed from array, then decrease following items' keys.
+                i = worklist.length;
+                while (i--) {
+                    nextElem = worklist[i];
+                    if (nextElem.ref && nextElem.ref.parent === parent) {
+                        if  (nextElem.ref.key < key) {
+                            break;
+                        }
+                        --nextElem.ref.key;
+                    }
+                }
+            }
+        }
+
+        this.__initialize(root, visitor);
+
+        sentinel = {};
+
+        // reference
+        worklist = this.__worklist;
+        leavelist = this.__leavelist;
+
+        // initialize
+        outer = {
+            root: root
+        };
+        element = new Element(root, null, null, new Reference(outer, 'root'));
+        worklist.push(element);
+        leavelist.push(element);
+
+        while (worklist.length) {
+            element = worklist.pop();
+
+            if (element === sentinel) {
+                element = leavelist.pop();
+
+                target = this.__execute(visitor.leave, element);
+
+                // node may be replaced with null,
+                // so distinguish between undefined and null in this place
+                if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+                    // replace
+                    element.ref.replace(target);
+                }
+
+                if (this.__state === REMOVE || target === REMOVE) {
+                    removeElem(element);
+                }
+
+                if (this.__state === BREAK || target === BREAK) {
+                    return outer.root;
+                }
+                continue;
+            }
+
+            target = this.__execute(visitor.enter, element);
+
+            // node may be replaced with null,
+            // so distinguish between undefined and null in this place
+            if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+                // replace
+                element.ref.replace(target);
+                element.node = target;
+            }
+
+            if (this.__state === REMOVE || target === REMOVE) {
+                removeElem(element);
+                element.node = null;
+            }
+
+            if (this.__state === BREAK || target === BREAK) {
+                return outer.root;
+            }
+
+            // node may be null
+            node = element.node;
+            if (!node) {
+                continue;
+            }
+
+            worklist.push(sentinel);
+            leavelist.push(element);
+
+            if (this.__state === SKIP || target === SKIP) {
+                continue;
+            }
+
+            nodeType = node.type || element.wrap;
+            candidates = this.__keys[nodeType];
+            if (!candidates) {
+                if (this.__fallback) {
+                    candidates = this.__fallback(node);
+                } else {
+                    throw new Error('Unknown node type ' + nodeType + '.');
+                }
+            }
+
+            current = candidates.length;
+            while ((current -= 1) >= 0) {
+                key = candidates[current];
+                candidate = node[key];
+                if (!candidate) {
+                    continue;
+                }
+
+                if (Array.isArray(candidate)) {
+                    current2 = candidate.length;
+                    while ((current2 -= 1) >= 0) {
+                        if (!candidate[current2]) {
+                            continue;
+                        }
+                        if (isProperty(nodeType, candidates[current])) {
+                            element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
+                        } else if (isNode(candidate[current2])) {
+                            element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
+                        } else {
+                            continue;
+                        }
+                        worklist.push(element);
+                    }
+                } else if (isNode(candidate)) {
+                    worklist.push(new Element(candidate, key, null, new Reference(node, key)));
+                }
+            }
+        }
+
+        return outer.root;
+    };
+
+    function traverse(root, visitor) {
+        var controller = new Controller();
+        return controller.traverse(root, visitor);
+    }
+
+    function replace(root, visitor) {
+        var controller = new Controller();
+        return controller.replace(root, visitor);
+    }
+
+    function extendCommentRange(comment, tokens) {
+        var target;
+
+        target = upperBound(tokens, function search(token) {
+            return token.range[0] > comment.range[0];
+        });
+
+        comment.extendedRange = [comment.range[0], comment.range[1]];
+
+        if (target !== tokens.length) {
+            comment.extendedRange[1] = tokens[target].range[0];
+        }
+
+        target -= 1;
+        if (target >= 0) {
+            comment.extendedRange[0] = tokens[target].range[1];
+        }
+
+        return comment;
+    }
+
+    function attachComments(tree, providedComments, tokens) {
+        // At first, we should calculate extended comment ranges.
+        var comments = [], comment, len, i, cursor;
+
+        if (!tree.range) {
+            throw new Error('attachComments needs range information');
+        }
+
+        // tokens array is empty, we attach comments to tree as 'leadingComments'
+        if (!tokens.length) {
+            if (providedComments.length) {
+                for (i = 0, len = providedComments.length; i < len; i += 1) {
+                    comment = deepCopy(providedComments[i]);
+                    comment.extendedRange = [0, tree.range[0]];
+                    comments.push(comment);
+                }
+                tree.leadingComments = comments;
+            }
+            return tree;
+        }
+
+        for (i = 0, len = providedComments.length; i < len; i += 1) {
+            comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
+        }
+
+        // This is based on John Freeman's implementation.
+        cursor = 0;
+        traverse(tree, {
+            enter: function (node) {
+                var comment;
+
+                while (cursor < comments.length) {
+                    comment = comments[cursor];
+                    if (comment.extendedRange[1] > node.range[0]) {
+                        break;
+                    }
+
+                    if (comment.extendedRange[1] === node.range[0]) {
+                        if (!node.leadingComments) {
+                            node.leadingComments = [];
+                        }
+                        node.leadingComments.push(comment);
+                        comments.splice(cursor, 1);
+                    } else {
+                        cursor += 1;
+                    }
+                }
+
+                // already out of owned node
+                if (cursor === comments.length) {
+                    return VisitorOption.Break;
+                }
+
+                if (comments[cursor].extendedRange[0] > node.range[1]) {
+                    return VisitorOption.Skip;
+                }
+            }
+        });
+
+        cursor = 0;
+        traverse(tree, {
+            leave: function (node) {
+                var comment;
+
+                while (cursor < comments.length) {
+                    comment = comments[cursor];
+                    if (node.range[1] < comment.extendedRange[0]) {
+                        break;
+                    }
+
+                    if (node.range[1] === comment.extendedRange[0]) {
+                        if (!node.trailingComments) {
+                            node.trailingComments = [];
+                        }
+                        node.trailingComments.push(comment);
+                        comments.splice(cursor, 1);
+                    } else {
+                        cursor += 1;
+                    }
+                }
+
+                // already out of owned node
+                if (cursor === comments.length) {
+                    return VisitorOption.Break;
+                }
+
+                if (comments[cursor].extendedRange[0] > node.range[1]) {
+                    return VisitorOption.Skip;
+                }
+            }
+        });
+
+        return tree;
+    }
+
+    exports.Syntax = Syntax;
+    exports.traverse = traverse;
+    exports.replace = replace;
+    exports.attachComments = attachComments;
+    exports.VisitorKeys = VisitorKeys;
+    exports.VisitorOption = VisitorOption;
+    exports.Controller = Controller;
+    exports.cloneEnvironment = function () { return clone({}); };
+
+    return exports;
+}(exports));
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/esrecurse/node_modules/estraverse/gulpfile.js b/node_modules/esrecurse/node_modules/estraverse/gulpfile.js
new file mode 100644
index 00000000..8772bbcc
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/gulpfile.js
@@ -0,0 +1,70 @@
+/*
+  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+'use strict';
+
+var gulp = require('gulp'),
+    git = require('gulp-git'),
+    bump = require('gulp-bump'),
+    filter = require('gulp-filter'),
+    tagVersion = require('gulp-tag-version');
+
+var TEST = [ 'test/*.js' ];
+var POWERED = [ 'powered-test/*.js' ];
+var SOURCE = [ 'src/**/*.js' ];
+
+/**
+ * Bumping version number and tagging the repository with it.
+ * Please read http://semver.org/
+ *
+ * You can use the commands
+ *
+ *     gulp patch     # makes v0.1.0 -> v0.1.1
+ *     gulp feature   # makes v0.1.1 -> v0.2.0
+ *     gulp release   # makes v0.2.1 -> v1.0.0
+ *
+ * To bump the version numbers accordingly after you did a patch,
+ * introduced a feature or made a backwards-incompatible release.
+ */
+
+function inc(importance) {
+    // get all the files to bump version in
+    return gulp.src(['./package.json'])
+        // bump the version number in those files
+        .pipe(bump({type: importance}))
+        // save it back to filesystem
+        .pipe(gulp.dest('./'))
+        // commit the changed version number
+        .pipe(git.commit('Bumps package version'))
+        // read only one file to get the version number
+        .pipe(filter('package.json'))
+        // **tag it in the repository**
+        .pipe(tagVersion({
+            prefix: ''
+        }));
+}
+
+gulp.task('patch', [ ], function () { return inc('patch'); })
+gulp.task('minor', [ ], function () { return inc('minor'); })
+gulp.task('major', [ ], function () { return inc('major'); })
diff --git a/node_modules/esrecurse/node_modules/estraverse/package.json b/node_modules/esrecurse/node_modules/estraverse/package.json
new file mode 100644
index 00000000..a8632185
--- /dev/null
+++ b/node_modules/esrecurse/node_modules/estraverse/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "estraverse",
+  "description": "ECMAScript JS AST traversal functions",
+  "homepage": "https://github.com/estools/estraverse",
+  "main": "estraverse.js",
+  "version": "5.3.0",
+  "engines": {
+    "node": ">=4.0"
+  },
+  "maintainers": [
+    {
+      "name": "Yusuke Suzuki",
+      "email": "utatane.tea@gmail.com",
+      "web": "http://github.com/Constellation"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/estools/estraverse.git"
+  },
+  "devDependencies": {
+    "babel-preset-env": "^1.6.1",
+    "babel-register": "^6.3.13",
+    "chai": "^2.1.1",
+    "espree": "^1.11.0",
+    "gulp": "^3.8.10",
+    "gulp-bump": "^0.2.2",
+    "gulp-filter": "^2.0.0",
+    "gulp-git": "^1.0.1",
+    "gulp-tag-version": "^1.3.0",
+    "jshint": "^2.5.6",
+    "mocha": "^2.1.0"
+  },
+  "license": "BSD-2-Clause",
+  "scripts": {
+    "test": "npm run-script lint && npm run-script unit-test",
+    "lint": "jshint estraverse.js",
+    "unit-test": "mocha --compilers js:babel-register"
+  }
+}
diff --git a/node_modules/esrecurse/package.json b/node_modules/esrecurse/package.json
new file mode 100644
index 00000000..dec5b1bc
--- /dev/null
+++ b/node_modules/esrecurse/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "esrecurse",
+  "description": "ECMAScript AST recursive visitor",
+  "homepage": "https://github.com/estools/esrecurse",
+  "main": "esrecurse.js",
+  "version": "4.3.0",
+  "engines": {
+    "node": ">=4.0"
+  },
+  "maintainers": [
+    {
+      "name": "Yusuke Suzuki",
+      "email": "utatane.tea@gmail.com",
+      "web": "https://github.com/Constellation"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/estools/esrecurse.git"
+  },
+  "dependencies": {
+    "estraverse": "^5.2.0"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.24.1",
+    "babel-eslint": "^7.2.3",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-register": "^6.24.1",
+    "chai": "^4.0.2",
+    "esprima": "^4.0.0",
+    "gulp": "^3.9.0",
+    "gulp-bump": "^2.7.0",
+    "gulp-eslint": "^4.0.0",
+    "gulp-filter": "^5.0.0",
+    "gulp-git": "^2.4.1",
+    "gulp-mocha": "^4.3.1",
+    "gulp-tag-version": "^1.2.1",
+    "jsdoc": "^3.3.0-alpha10",
+    "minimist": "^1.1.0"
+  },
+  "license": "BSD-2-Clause",
+  "scripts": {
+    "test": "gulp travis",
+    "unit-test": "gulp test",
+    "lint": "gulp lint"
+  },
+  "babel": {
+    "presets": [
+      "es2015"
+    ]
+  }
+}
diff --git a/node_modules/estraverse/.jshintrc b/node_modules/estraverse/.jshintrc
new file mode 100644
index 00000000..f642dae7
--- /dev/null
+++ b/node_modules/estraverse/.jshintrc
@@ -0,0 +1,16 @@
+{
+  "curly": true,
+  "eqeqeq": true,
+  "immed": true,
+  "eqnull": true,
+  "latedef": true,
+  "noarg": true,
+  "noempty": true,
+  "quotmark": "single",
+  "undef": true,
+  "unused": true,
+  "strict": true,
+  "trailing": true,
+
+  "node": true
+}
diff --git a/node_modules/estraverse/LICENSE.BSD b/node_modules/estraverse/LICENSE.BSD
new file mode 100644
index 00000000..3e580c35
--- /dev/null
+++ b/node_modules/estraverse/LICENSE.BSD
@@ -0,0 +1,19 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/estraverse/README.md b/node_modules/estraverse/README.md
new file mode 100644
index 00000000..ccd3377f
--- /dev/null
+++ b/node_modules/estraverse/README.md
@@ -0,0 +1,153 @@
+### Estraverse [![Build Status](https://secure.travis-ci.org/estools/estraverse.svg)](http://travis-ci.org/estools/estraverse)
+
+Estraverse ([estraverse](http://github.com/estools/estraverse)) is
+[ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm)
+traversal functions from [esmangle project](http://github.com/estools/esmangle).
+
+### Documentation
+
+You can find usage docs at [wiki page](https://github.com/estools/estraverse/wiki/Usage).
+
+### Example Usage
+
+The following code will output all variables declared at the root of a file.
+
+```javascript
+estraverse.traverse(ast, {
+    enter: function (node, parent) {
+        if (node.type == 'FunctionExpression' || node.type == 'FunctionDeclaration')
+            return estraverse.VisitorOption.Skip;
+    },
+    leave: function (node, parent) {
+        if (node.type == 'VariableDeclarator')
+          console.log(node.id.name);
+    }
+});
+```
+
+We can use `this.skip`, `this.remove` and `this.break` functions instead of using Skip, Remove and Break.
+
+```javascript
+estraverse.traverse(ast, {
+    enter: function (node) {
+        this.break();
+    }
+});
+```
+
+And estraverse provides `estraverse.replace` function. When returning node from `enter`/`leave`, current node is replaced with it.
+
+```javascript
+result = estraverse.replace(tree, {
+    enter: function (node) {
+        // Replace it with replaced.
+        if (node.type === 'Literal')
+            return replaced;
+    }
+});
+```
+
+By passing `visitor.keys` mapping, we can extend estraverse traversing functionality.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Extending the existing traversing rules.
+    keys: {
+        // TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ]
+        TestExpression: ['argument']
+    }
+});
+```
+
+By passing `visitor.fallback` option, we can control the behavior when encountering unknown nodes.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Iterating the child **nodes** of unknown nodes.
+    fallback: 'iteration'
+});
+```
+
+When `visitor.fallback` is a function, we can determine which keys to visit on each node.
+
+```javascript
+// This tree contains a user-defined `TestExpression` node.
+var tree = {
+    type: 'TestExpression',
+
+    // This 'argument' is the property containing the other **node**.
+    argument: {
+        type: 'Literal',
+        value: 20
+    },
+
+    // This 'extended' is the property not containing the other **node**.
+    extended: true
+};
+estraverse.traverse(tree, {
+    enter: function (node) { },
+
+    // Skip the `argument` property of each node
+    fallback: function(node) {
+        return Object.keys(node).filter(function(key) {
+            return key !== 'argument';
+        });
+    }
+});
+```
+
+### License
+
+Copyright (C) 2012-2016 [Yusuke Suzuki](http://github.com/Constellation)
+ (twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+  * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/estraverse/estraverse.js b/node_modules/estraverse/estraverse.js
new file mode 100644
index 00000000..b106d386
--- /dev/null
+++ b/node_modules/estraverse/estraverse.js
@@ -0,0 +1,782 @@
+/*
+  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/*jslint vars:false, bitwise:true*/
+/*jshint indent:4*/
+/*global exports:true*/
+(function clone(exports) {
+    'use strict';
+
+    var Syntax,
+        VisitorOption,
+        VisitorKeys,
+        BREAK,
+        SKIP,
+        REMOVE;
+
+    function deepCopy(obj) {
+        var ret = {}, key, val;
+        for (key in obj) {
+            if (obj.hasOwnProperty(key)) {
+                val = obj[key];
+                if (typeof val === 'object' && val !== null) {
+                    ret[key] = deepCopy(val);
+                } else {
+                    ret[key] = val;
+                }
+            }
+        }
+        return ret;
+    }
+
+    // based on LLVM libc++ upper_bound / lower_bound
+    // MIT License
+
+    function upperBound(array, func) {
+        var diff, len, i, current;
+
+        len = array.length;
+        i = 0;
+
+        while (len) {
+            diff = len >>> 1;
+            current = i + diff;
+            if (func(array[current])) {
+                len = diff;
+            } else {
+                i = current + 1;
+                len -= diff + 1;
+            }
+        }
+        return i;
+    }
+
+    Syntax = {
+        AssignmentExpression: 'AssignmentExpression',
+        AssignmentPattern: 'AssignmentPattern',
+        ArrayExpression: 'ArrayExpression',
+        ArrayPattern: 'ArrayPattern',
+        ArrowFunctionExpression: 'ArrowFunctionExpression',
+        AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
+        BlockStatement: 'BlockStatement',
+        BinaryExpression: 'BinaryExpression',
+        BreakStatement: 'BreakStatement',
+        CallExpression: 'CallExpression',
+        CatchClause: 'CatchClause',
+        ClassBody: 'ClassBody',
+        ClassDeclaration: 'ClassDeclaration',
+        ClassExpression: 'ClassExpression',
+        ComprehensionBlock: 'ComprehensionBlock',  // CAUTION: It's deferred to ES7.
+        ComprehensionExpression: 'ComprehensionExpression',  // CAUTION: It's deferred to ES7.
+        ConditionalExpression: 'ConditionalExpression',
+        ContinueStatement: 'ContinueStatement',
+        DebuggerStatement: 'DebuggerStatement',
+        DirectiveStatement: 'DirectiveStatement',
+        DoWhileStatement: 'DoWhileStatement',
+        EmptyStatement: 'EmptyStatement',
+        ExportAllDeclaration: 'ExportAllDeclaration',
+        ExportDefaultDeclaration: 'ExportDefaultDeclaration',
+        ExportNamedDeclaration: 'ExportNamedDeclaration',
+        ExportSpecifier: 'ExportSpecifier',
+        ExpressionStatement: 'ExpressionStatement',
+        ForStatement: 'ForStatement',
+        ForInStatement: 'ForInStatement',
+        ForOfStatement: 'ForOfStatement',
+        FunctionDeclaration: 'FunctionDeclaration',
+        FunctionExpression: 'FunctionExpression',
+        GeneratorExpression: 'GeneratorExpression',  // CAUTION: It's deferred to ES7.
+        Identifier: 'Identifier',
+        IfStatement: 'IfStatement',
+        ImportExpression: 'ImportExpression',
+        ImportDeclaration: 'ImportDeclaration',
+        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
+        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
+        ImportSpecifier: 'ImportSpecifier',
+        Literal: 'Literal',
+        LabeledStatement: 'LabeledStatement',
+        LogicalExpression: 'LogicalExpression',
+        MemberExpression: 'MemberExpression',
+        MetaProperty: 'MetaProperty',
+        MethodDefinition: 'MethodDefinition',
+        ModuleSpecifier: 'ModuleSpecifier',
+        NewExpression: 'NewExpression',
+        ObjectExpression: 'ObjectExpression',
+        ObjectPattern: 'ObjectPattern',
+        Program: 'Program',
+        Property: 'Property',
+        RestElement: 'RestElement',
+        ReturnStatement: 'ReturnStatement',
+        SequenceExpression: 'SequenceExpression',
+        SpreadElement: 'SpreadElement',
+        Super: 'Super',
+        SwitchStatement: 'SwitchStatement',
+        SwitchCase: 'SwitchCase',
+        TaggedTemplateExpression: 'TaggedTemplateExpression',
+        TemplateElement: 'TemplateElement',
+        TemplateLiteral: 'TemplateLiteral',
+        ThisExpression: 'ThisExpression',
+        ThrowStatement: 'ThrowStatement',
+        TryStatement: 'TryStatement',
+        UnaryExpression: 'UnaryExpression',
+        UpdateExpression: 'UpdateExpression',
+        VariableDeclaration: 'VariableDeclaration',
+        VariableDeclarator: 'VariableDeclarator',
+        WhileStatement: 'WhileStatement',
+        WithStatement: 'WithStatement',
+        YieldExpression: 'YieldExpression'
+    };
+
+    VisitorKeys = {
+        AssignmentExpression: ['left', 'right'],
+        AssignmentPattern: ['left', 'right'],
+        ArrayExpression: ['elements'],
+        ArrayPattern: ['elements'],
+        ArrowFunctionExpression: ['params', 'body'],
+        AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
+        BlockStatement: ['body'],
+        BinaryExpression: ['left', 'right'],
+        BreakStatement: ['label'],
+        CallExpression: ['callee', 'arguments'],
+        CatchClause: ['param', 'body'],
+        ClassBody: ['body'],
+        ClassDeclaration: ['id', 'superClass', 'body'],
+        ClassExpression: ['id', 'superClass', 'body'],
+        ComprehensionBlock: ['left', 'right'],  // CAUTION: It's deferred to ES7.
+        ComprehensionExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
+        ConditionalExpression: ['test', 'consequent', 'alternate'],
+        ContinueStatement: ['label'],
+        DebuggerStatement: [],
+        DirectiveStatement: [],
+        DoWhileStatement: ['body', 'test'],
+        EmptyStatement: [],
+        ExportAllDeclaration: ['source'],
+        ExportDefaultDeclaration: ['declaration'],
+        ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
+        ExportSpecifier: ['exported', 'local'],
+        ExpressionStatement: ['expression'],
+        ForStatement: ['init', 'test', 'update', 'body'],
+        ForInStatement: ['left', 'right', 'body'],
+        ForOfStatement: ['left', 'right', 'body'],
+        FunctionDeclaration: ['id', 'params', 'body'],
+        FunctionExpression: ['id', 'params', 'body'],
+        GeneratorExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
+        Identifier: [],
+        IfStatement: ['test', 'consequent', 'alternate'],
+        ImportExpression: ['source'],
+        ImportDeclaration: ['specifiers', 'source'],
+        ImportDefaultSpecifier: ['local'],
+        ImportNamespaceSpecifier: ['local'],
+        ImportSpecifier: ['imported', 'local'],
+        Literal: [],
+        LabeledStatement: ['label', 'body'],
+        LogicalExpression: ['left', 'right'],
+        MemberExpression: ['object', 'property'],
+        MetaProperty: ['meta', 'property'],
+        MethodDefinition: ['key', 'value'],
+        ModuleSpecifier: [],
+        NewExpression: ['callee', 'arguments'],
+        ObjectExpression: ['properties'],
+        ObjectPattern: ['properties'],
+        Program: ['body'],
+        Property: ['key', 'value'],
+        RestElement: [ 'argument' ],
+        ReturnStatement: ['argument'],
+        SequenceExpression: ['expressions'],
+        SpreadElement: ['argument'],
+        Super: [],
+        SwitchStatement: ['discriminant', 'cases'],
+        SwitchCase: ['test', 'consequent'],
+        TaggedTemplateExpression: ['tag', 'quasi'],
+        TemplateElement: [],
+        TemplateLiteral: ['quasis', 'expressions'],
+        ThisExpression: [],
+        ThrowStatement: ['argument'],
+        TryStatement: ['block', 'handler', 'finalizer'],
+        UnaryExpression: ['argument'],
+        UpdateExpression: ['argument'],
+        VariableDeclaration: ['declarations'],
+        VariableDeclarator: ['id', 'init'],
+        WhileStatement: ['test', 'body'],
+        WithStatement: ['object', 'body'],
+        YieldExpression: ['argument']
+    };
+
+    // unique id
+    BREAK = {};
+    SKIP = {};
+    REMOVE = {};
+
+    VisitorOption = {
+        Break: BREAK,
+        Skip: SKIP,
+        Remove: REMOVE
+    };
+
+    function Reference(parent, key) {
+        this.parent = parent;
+        this.key = key;
+    }
+
+    Reference.prototype.replace = function replace(node) {
+        this.parent[this.key] = node;
+    };
+
+    Reference.prototype.remove = function remove() {
+        if (Array.isArray(this.parent)) {
+            this.parent.splice(this.key, 1);
+            return true;
+        } else {
+            this.replace(null);
+            return false;
+        }
+    };
+
+    function Element(node, path, wrap, ref) {
+        this.node = node;
+        this.path = path;
+        this.wrap = wrap;
+        this.ref = ref;
+    }
+
+    function Controller() { }
+
+    // API:
+    // return property path array from root to current node
+    Controller.prototype.path = function path() {
+        var i, iz, j, jz, result, element;
+
+        function addToPath(result, path) {
+            if (Array.isArray(path)) {
+                for (j = 0, jz = path.length; j < jz; ++j) {
+                    result.push(path[j]);
+                }
+            } else {
+                result.push(path);
+            }
+        }
+
+        // root node
+        if (!this.__current.path) {
+            return null;
+        }
+
+        // first node is sentinel, second node is root element
+        result = [];
+        for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
+            element = this.__leavelist[i];
+            addToPath(result, element.path);
+        }
+        addToPath(result, this.__current.path);
+        return result;
+    };
+
+    // API:
+    // return type of current node
+    Controller.prototype.type = function () {
+        var node = this.current();
+        return node.type || this.__current.wrap;
+    };
+
+    // API:
+    // return array of parent elements
+    Controller.prototype.parents = function parents() {
+        var i, iz, result;
+
+        // first node is sentinel
+        result = [];
+        for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
+            result.push(this.__leavelist[i].node);
+        }
+
+        return result;
+    };
+
+    // API:
+    // return current node
+    Controller.prototype.current = function current() {
+        return this.__current.node;
+    };
+
+    Controller.prototype.__execute = function __execute(callback, element) {
+        var previous, result;
+
+        result = undefined;
+
+        previous  = this.__current;
+        this.__current = element;
+        this.__state = null;
+        if (callback) {
+            result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
+        }
+        this.__current = previous;
+
+        return result;
+    };
+
+    // API:
+    // notify control skip / break
+    Controller.prototype.notify = function notify(flag) {
+        this.__state = flag;
+    };
+
+    // API:
+    // skip child nodes of current node
+    Controller.prototype.skip = function () {
+        this.notify(SKIP);
+    };
+
+    // API:
+    // break traversals
+    Controller.prototype['break'] = function () {
+        this.notify(BREAK);
+    };
+
+    // API:
+    // remove node
+    Controller.prototype.remove = function () {
+        this.notify(REMOVE);
+    };
+
+    Controller.prototype.__initialize = function(root, visitor) {
+        this.visitor = visitor;
+        this.root = root;
+        this.__worklist = [];
+        this.__leavelist = [];
+        this.__current = null;
+        this.__state = null;
+        this.__fallback = null;
+        if (visitor.fallback === 'iteration') {
+            this.__fallback = Object.keys;
+        } else if (typeof visitor.fallback === 'function') {
+            this.__fallback = visitor.fallback;
+        }
+
+        this.__keys = VisitorKeys;
+        if (visitor.keys) {
+            this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);
+        }
+    };
+
+    function isNode(node) {
+        if (node == null) {
+            return false;
+        }
+        return typeof node === 'object' && typeof node.type === 'string';
+    }
+
+    function isProperty(nodeType, key) {
+        return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
+    }
+
+    Controller.prototype.traverse = function traverse(root, visitor) {
+        var worklist,
+            leavelist,
+            element,
+            node,
+            nodeType,
+            ret,
+            key,
+            current,
+            current2,
+            candidates,
+            candidate,
+            sentinel;
+
+        this.__initialize(root, visitor);
+
+        sentinel = {};
+
+        // reference
+        worklist = this.__worklist;
+        leavelist = this.__leavelist;
+
+        // initialize
+        worklist.push(new Element(root, null, null, null));
+        leavelist.push(new Element(null, null, null, null));
+
+        while (worklist.length) {
+            element = worklist.pop();
+
+            if (element === sentinel) {
+                element = leavelist.pop();
+
+                ret = this.__execute(visitor.leave, element);
+
+                if (this.__state === BREAK || ret === BREAK) {
+                    return;
+                }
+                continue;
+            }
+
+            if (element.node) {
+
+                ret = this.__execute(visitor.enter, element);
+
+                if (this.__state === BREAK || ret === BREAK) {
+                    return;
+                }
+
+                worklist.push(sentinel);
+                leavelist.push(element);
+
+                if (this.__state === SKIP || ret === SKIP) {
+                    continue;
+                }
+
+                node = element.node;
+                nodeType = node.type || element.wrap;
+                candidates = this.__keys[nodeType];
+                if (!candidates) {
+                    if (this.__fallback) {
+                        candidates = this.__fallback(node);
+                    } else {
+                        throw new Error('Unknown node type ' + nodeType + '.');
+                    }
+                }
+
+                current = candidates.length;
+                while ((current -= 1) >= 0) {
+                    key = candidates[current];
+                    candidate = node[key];
+                    if (!candidate) {
+                        continue;
+                    }
+
+                    if (Array.isArray(candidate)) {
+                        current2 = candidate.length;
+                        while ((current2 -= 1) >= 0) {
+                            if (!candidate[current2]) {
+                                continue;
+                            }
+                            if (isProperty(nodeType, candidates[current])) {
+                                element = new Element(candidate[current2], [key, current2], 'Property', null);
+                            } else if (isNode(candidate[current2])) {
+                                element = new Element(candidate[current2], [key, current2], null, null);
+                            } else {
+                                continue;
+                            }
+                            worklist.push(element);
+                        }
+                    } else if (isNode(candidate)) {
+                        worklist.push(new Element(candidate, key, null, null));
+                    }
+                }
+            }
+        }
+    };
+
+    Controller.prototype.replace = function replace(root, visitor) {
+        var worklist,
+            leavelist,
+            node,
+            nodeType,
+            target,
+            element,
+            current,
+            current2,
+            candidates,
+            candidate,
+            sentinel,
+            outer,
+            key;
+
+        function removeElem(element) {
+            var i,
+                key,
+                nextElem,
+                parent;
+
+            if (element.ref.remove()) {
+                // When the reference is an element of an array.
+                key = element.ref.key;
+                parent = element.ref.parent;
+
+                // If removed from array, then decrease following items' keys.
+                i = worklist.length;
+                while (i--) {
+                    nextElem = worklist[i];
+                    if (nextElem.ref && nextElem.ref.parent === parent) {
+                        if  (nextElem.ref.key < key) {
+                            break;
+                        }
+                        --nextElem.ref.key;
+                    }
+                }
+            }
+        }
+
+        this.__initialize(root, visitor);
+
+        sentinel = {};
+
+        // reference
+        worklist = this.__worklist;
+        leavelist = this.__leavelist;
+
+        // initialize
+        outer = {
+            root: root
+        };
+        element = new Element(root, null, null, new Reference(outer, 'root'));
+        worklist.push(element);
+        leavelist.push(element);
+
+        while (worklist.length) {
+            element = worklist.pop();
+
+            if (element === sentinel) {
+                element = leavelist.pop();
+
+                target = this.__execute(visitor.leave, element);
+
+                // node may be replaced with null,
+                // so distinguish between undefined and null in this place
+                if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+                    // replace
+                    element.ref.replace(target);
+                }
+
+                if (this.__state === REMOVE || target === REMOVE) {
+                    removeElem(element);
+                }
+
+                if (this.__state === BREAK || target === BREAK) {
+                    return outer.root;
+                }
+                continue;
+            }
+
+            target = this.__execute(visitor.enter, element);
+
+            // node may be replaced with null,
+            // so distinguish between undefined and null in this place
+            if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+                // replace
+                element.ref.replace(target);
+                element.node = target;
+            }
+
+            if (this.__state === REMOVE || target === REMOVE) {
+                removeElem(element);
+                element.node = null;
+            }
+
+            if (this.__state === BREAK || target === BREAK) {
+                return outer.root;
+            }
+
+            // node may be null
+            node = element.node;
+            if (!node) {
+                continue;
+            }
+
+            worklist.push(sentinel);
+            leavelist.push(element);
+
+            if (this.__state === SKIP || target === SKIP) {
+                continue;
+            }
+
+            nodeType = node.type || element.wrap;
+            candidates = this.__keys[nodeType];
+            if (!candidates) {
+                if (this.__fallback) {
+                    candidates = this.__fallback(node);
+                } else {
+                    throw new Error('Unknown node type ' + nodeType + '.');
+                }
+            }
+
+            current = candidates.length;
+            while ((current -= 1) >= 0) {
+                key = candidates[current];
+                candidate = node[key];
+                if (!candidate) {
+                    continue;
+                }
+
+                if (Array.isArray(candidate)) {
+                    current2 = candidate.length;
+                    while ((current2 -= 1) >= 0) {
+                        if (!candidate[current2]) {
+                            continue;
+                        }
+                        if (isProperty(nodeType, candidates[current])) {
+                            element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
+                        } else if (isNode(candidate[current2])) {
+                            element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
+                        } else {
+                            continue;
+                        }
+                        worklist.push(element);
+                    }
+                } else if (isNode(candidate)) {
+                    worklist.push(new Element(candidate, key, null, new Reference(node, key)));
+                }
+            }
+        }
+
+        return outer.root;
+    };
+
+    function traverse(root, visitor) {
+        var controller = new Controller();
+        return controller.traverse(root, visitor);
+    }
+
+    function replace(root, visitor) {
+        var controller = new Controller();
+        return controller.replace(root, visitor);
+    }
+
+    function extendCommentRange(comment, tokens) {
+        var target;
+
+        target = upperBound(tokens, function search(token) {
+            return token.range[0] > comment.range[0];
+        });
+
+        comment.extendedRange = [comment.range[0], comment.range[1]];
+
+        if (target !== tokens.length) {
+            comment.extendedRange[1] = tokens[target].range[0];
+        }
+
+        target -= 1;
+        if (target >= 0) {
+            comment.extendedRange[0] = tokens[target].range[1];
+        }
+
+        return comment;
+    }
+
+    function attachComments(tree, providedComments, tokens) {
+        // At first, we should calculate extended comment ranges.
+        var comments = [], comment, len, i, cursor;
+
+        if (!tree.range) {
+            throw new Error('attachComments needs range information');
+        }
+
+        // tokens array is empty, we attach comments to tree as 'leadingComments'
+        if (!tokens.length) {
+            if (providedComments.length) {
+                for (i = 0, len = providedComments.length; i < len; i += 1) {
+                    comment = deepCopy(providedComments[i]);
+                    comment.extendedRange = [0, tree.range[0]];
+                    comments.push(comment);
+                }
+                tree.leadingComments = comments;
+            }
+            return tree;
+        }
+
+        for (i = 0, len = providedComments.length; i < len; i += 1) {
+            comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
+        }
+
+        // This is based on John Freeman's implementation.
+        cursor = 0;
+        traverse(tree, {
+            enter: function (node) {
+                var comment;
+
+                while (cursor < comments.length) {
+                    comment = comments[cursor];
+                    if (comment.extendedRange[1] > node.range[0]) {
+                        break;
+                    }
+
+                    if (comment.extendedRange[1] === node.range[0]) {
+                        if (!node.leadingComments) {
+                            node.leadingComments = [];
+                        }
+                        node.leadingComments.push(comment);
+                        comments.splice(cursor, 1);
+                    } else {
+                        cursor += 1;
+                    }
+                }
+
+                // already out of owned node
+                if (cursor === comments.length) {
+                    return VisitorOption.Break;
+                }
+
+                if (comments[cursor].extendedRange[0] > node.range[1]) {
+                    return VisitorOption.Skip;
+                }
+            }
+        });
+
+        cursor = 0;
+        traverse(tree, {
+            leave: function (node) {
+                var comment;
+
+                while (cursor < comments.length) {
+                    comment = comments[cursor];
+                    if (node.range[1] < comment.extendedRange[0]) {
+                        break;
+                    }
+
+                    if (node.range[1] === comment.extendedRange[0]) {
+                        if (!node.trailingComments) {
+                            node.trailingComments = [];
+                        }
+                        node.trailingComments.push(comment);
+                        comments.splice(cursor, 1);
+                    } else {
+                        cursor += 1;
+                    }
+                }
+
+                // already out of owned node
+                if (cursor === comments.length) {
+                    return VisitorOption.Break;
+                }
+
+                if (comments[cursor].extendedRange[0] > node.range[1]) {
+                    return VisitorOption.Skip;
+                }
+            }
+        });
+
+        return tree;
+    }
+
+    exports.version = require('./package.json').version;
+    exports.Syntax = Syntax;
+    exports.traverse = traverse;
+    exports.replace = replace;
+    exports.attachComments = attachComments;
+    exports.VisitorKeys = VisitorKeys;
+    exports.VisitorOption = VisitorOption;
+    exports.Controller = Controller;
+    exports.cloneEnvironment = function () { return clone({}); };
+
+    return exports;
+}(exports));
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/node_modules/estraverse/gulpfile.js b/node_modules/estraverse/gulpfile.js
new file mode 100644
index 00000000..8772bbcc
--- /dev/null
+++ b/node_modules/estraverse/gulpfile.js
@@ -0,0 +1,70 @@
+/*
+  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+'use strict';
+
+var gulp = require('gulp'),
+    git = require('gulp-git'),
+    bump = require('gulp-bump'),
+    filter = require('gulp-filter'),
+    tagVersion = require('gulp-tag-version');
+
+var TEST = [ 'test/*.js' ];
+var POWERED = [ 'powered-test/*.js' ];
+var SOURCE = [ 'src/**/*.js' ];
+
+/**
+ * Bumping version number and tagging the repository with it.
+ * Please read http://semver.org/
+ *
+ * You can use the commands
+ *
+ *     gulp patch     # makes v0.1.0 -> v0.1.1
+ *     gulp feature   # makes v0.1.1 -> v0.2.0
+ *     gulp release   # makes v0.2.1 -> v1.0.0
+ *
+ * To bump the version numbers accordingly after you did a patch,
+ * introduced a feature or made a backwards-incompatible release.
+ */
+
+function inc(importance) {
+    // get all the files to bump version in
+    return gulp.src(['./package.json'])
+        // bump the version number in those files
+        .pipe(bump({type: importance}))
+        // save it back to filesystem
+        .pipe(gulp.dest('./'))
+        // commit the changed version number
+        .pipe(git.commit('Bumps package version'))
+        // read only one file to get the version number
+        .pipe(filter('package.json'))
+        // **tag it in the repository**
+        .pipe(tagVersion({
+            prefix: ''
+        }));
+}
+
+gulp.task('patch', [ ], function () { return inc('patch'); })
+gulp.task('minor', [ ], function () { return inc('minor'); })
+gulp.task('major', [ ], function () { return inc('major'); })
diff --git a/node_modules/estraverse/package.json b/node_modules/estraverse/package.json
new file mode 100644
index 00000000..11382386
--- /dev/null
+++ b/node_modules/estraverse/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "estraverse",
+  "description": "ECMAScript JS AST traversal functions",
+  "homepage": "https://github.com/estools/estraverse",
+  "main": "estraverse.js",
+  "version": "4.3.0",
+  "engines": {
+    "node": ">=4.0"
+  },
+  "maintainers": [
+    {
+      "name": "Yusuke Suzuki",
+      "email": "utatane.tea@gmail.com",
+      "web": "http://github.com/Constellation"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/estools/estraverse.git"
+  },
+  "devDependencies": {
+    "babel-preset-env": "^1.6.1",
+    "babel-register": "^6.3.13",
+    "chai": "^2.1.1",
+    "espree": "^1.11.0",
+    "gulp": "^3.8.10",
+    "gulp-bump": "^0.2.2",
+    "gulp-filter": "^2.0.0",
+    "gulp-git": "^1.0.1",
+    "gulp-tag-version": "^1.3.0",
+    "jshint": "^2.5.6",
+    "mocha": "^2.1.0"
+  },
+  "license": "BSD-2-Clause",
+  "scripts": {
+    "test": "npm run-script lint && npm run-script unit-test",
+    "lint": "jshint estraverse.js",
+    "unit-test": "mocha --compilers js:babel-register"
+  }
+}
diff --git a/node_modules/events/.airtap.yml b/node_modules/events/.airtap.yml
new file mode 100644
index 00000000..c7a8a87d
--- /dev/null
+++ b/node_modules/events/.airtap.yml
@@ -0,0 +1,15 @@
+sauce_connect: true
+loopback: airtap.local
+browsers:
+  - name: chrome
+    version: latest
+  - name: firefox
+    version: latest
+  - name: safari
+    version: 9..latest
+  - name: iphone
+    version: latest
+  - name: ie
+    version: 9..latest
+  - name: microsoftedge
+    version: 13..latest
diff --git a/node_modules/events/.github/FUNDING.yml b/node_modules/events/.github/FUNDING.yml
new file mode 100644
index 00000000..8b8cb78b
--- /dev/null
+++ b/node_modules/events/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/events
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/events/.travis.yml b/node_modules/events/.travis.yml
new file mode 100644
index 00000000..486dc3c4
--- /dev/null
+++ b/node_modules/events/.travis.yml
@@ -0,0 +1,18 @@
+dist: xenial
+os: linux
+language: node_js
+node_js:
+  - 'stable'
+  - 'lts/*'
+  - '0.12'
+script:
+  - npm test
+  - if [ "${TRAVIS_PULL_REQUEST}" = "false" ] && [ "${TRAVIS_NODE_VERSION}" = "stable" ]; then npm run test:browsers; fi
+addons:
+  sauce_connect: true
+  hosts:
+    - airtap.local
+env:
+  global:
+  - secure: XcBiD8yReflut9q7leKsigDZ0mI3qTKH+QrNVY8DaqlomJOZw8aOrVuX9Jz12l86ZJ41nbxmKnRNkFzcVr9mbP9YaeTb3DpeOBWmvaoSfud9Wnc16VfXtc1FCcwDhSVcSiM3UtnrmFU5cH+Dw1LPh5PbfylYOS/nJxUvG0FFLqI=
+  - secure: jNWtEbqhUdQ0xXDHvCYfUbKYeJCi6a7B4LsrcxYCyWWn4NIgncE5x2YbB+FSUUFVYfz0dsn5RKP1oHB99f0laUEo18HBNkrAS/rtyOdVzcpJjbQ6kgSILGjnJD/Ty1B57Rcz3iyev5Y7bLZ6Y1FbDnk/i9/l0faOGz8vTC3Vdkc=
diff --git a/node_modules/events/History.md b/node_modules/events/History.md
new file mode 100644
index 00000000..f48bf210
--- /dev/null
+++ b/node_modules/events/History.md
@@ -0,0 +1,118 @@
+# 3.3.0
+
+ - Support EventTarget emitters in `events.once` from Node.js 12.11.0.
+
+   Now you can use the `events.once` function with objects that implement the EventTarget interface. This interface is used widely in
+   the DOM and other web APIs.
+
+   ```js
+   var events = require('events');
+   var assert = require('assert');
+
+   async function connect() {
+     var ws = new WebSocket('wss://example.com');
+     await events.once(ws, 'open');
+     assert(ws.readyState === WebSocket.OPEN);
+   }
+
+   async function onClick() {
+     await events.once(document.body, 'click');
+     alert('you clicked the page!');
+   }
+   ```
+
+# 3.2.0
+
+ - Add `events.once` from Node.js 11.13.0.
+
+   To use this function, Promises must be supported in the environment. Use a polyfill like `es6-promise` if you support older browsers.
+
+# 3.1.0 (2020-01-08)
+
+`events` now matches the Node.js 11.12.0 API.
+
+  - pass through return value in wrapped `emitter.once()` listeners
+
+    Now, this works:
+    ```js
+    emitter.once('myevent', function () { return 1; });
+    var listener = emitter.rawListeners('myevent')[0]
+    assert(listener() === 1);
+    ```
+    Previously, `listener()` would return undefined regardless of the implementation.
+
+    Ported from https://github.com/nodejs/node/commit/acc506c2d2771dab8d7bba6d3452bc5180dff7cf
+
+  - Reduce code duplication in listener type check ([#67](https://github.com/Gozala/events/pull/67) by [@friederbluemle](https://github.com/friederbluemle)).
+  - Improve `emitter.once()` performance in some engines
+
+# 3.0.0 (2018-05-25)
+
+**This version drops support for IE8.** `events` no longer includes polyfills
+for ES5 features. If you need to support older environments, use an ES5 shim
+like [es5-shim](https://npmjs.com/package/es5-shim). Both the shim and sham
+versions of es5-shim are necessary.
+
+  - Update to events code from Node.js 10.x
+    - (semver major) Adds `off()` method
+  - Port more tests from Node.js
+  - Switch browser tests to airtap, making things more reliable
+
+# 2.1.0 (2018-05-25)
+
+  - add Emitter#rawListeners from Node.js v9.4
+
+# 2.0.0 (2018-02-02)
+
+  - Update to events code from node.js 8.x
+    - Adds `prependListener()` and `prependOnceListener()`
+    - Adds `eventNames()` method
+    - (semver major) Unwrap `once()` listeners in `listeners()`
+  - copy tests from node.js
+
+Note that this version doubles the gzipped size, jumping from 1.1KB to 2.1KB,
+due to new methods and runtime performance improvements. Be aware of that when
+upgrading.
+
+# 1.1.1 (2016-06-22)
+
+  - add more context to errors if they are not instanceof Error
+
+# 1.1.0 (2015-09-29)
+
+  - add Emitter#listerCount (to match node v4 api)
+
+# 1.0.2 (2014-08-28)
+
+  - remove un-reachable code
+  - update devDeps
+
+## 1.0.1 / 2014-05-11
+
+  - check for console.trace before using it
+
+## 1.0.0 / 2013-12-10
+
+  - Update to latest events code from node.js 0.10
+  - copy tests from node.js
+
+## 0.4.0 / 2011-07-03 ##
+
+  - Switching to graphquire@0.8.0
+
+## 0.3.0 / 2011-07-03 ##
+
+  - Switching to URL based module require.
+
+## 0.2.0 / 2011-06-10 ##
+
+  - Simplified package structure.
+  - Graphquire for dependency management.
+
+## 0.1.1 / 2011-05-16 ##
+
+  - Unhandled errors are logged via console.error
+
+## 0.1.0 / 2011-04-22 ##
+
+  - Initial release
diff --git a/node_modules/events/LICENSE b/node_modules/events/LICENSE
new file mode 100644
index 00000000..52ed3b0a
--- /dev/null
+++ b/node_modules/events/LICENSE
@@ -0,0 +1,22 @@
+MIT
+
+Copyright Joyent, Inc. and other Node contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/events/Readme.md b/node_modules/events/Readme.md
new file mode 100644
index 00000000..80849c0b
--- /dev/null
+++ b/node_modules/events/Readme.md
@@ -0,0 +1,50 @@
+# events [![Build Status](https://travis-ci.org/Gozala/events.png?branch=master)](https://travis-ci.org/Gozala/events)
+
+> Node's event emitter for all engines.
+
+This implements the Node.js [`events`][node.js docs] module for environments that do not have it, like browsers.
+
+> `events` currently matches the **Node.js 11.13.0** API.
+
+Note that the `events` module uses ES5 features. If you need to support very old browsers like IE8, use a shim like [`es5-shim`](https://www.npmjs.com/package/es5-shim). You need both the shim and the sham versions of `es5-shim`.
+
+This module is maintained, but only by very few people. If you'd like to help, let us know in the [Maintainer Needed](https://github.com/Gozala/events/issues/43) issue!
+
+## Install
+
+You usually do not have to install `events` yourself! If your code runs in Node.js, `events` is built in. If your code runs in the browser, bundlers like [browserify](https://github.com/browserify/browserify) or [webpack](https://github.com/webpack/webpack) also include the `events` module.
+
+But if none of those apply, with npm do:
+
+```
+npm install events
+```
+
+## Usage
+
+```javascript
+var EventEmitter = require('events')
+
+var ee = new EventEmitter()
+ee.on('message', function (text) {
+  console.log(text)
+})
+ee.emit('message', 'hello world')
+```
+
+## API
+
+See the [Node.js EventEmitter docs][node.js docs]. `events` currently matches the Node.js 11.13.0 API.
+
+## Contributing
+
+PRs are very welcome! The main way to contribute to `events` is by porting features, bugfixes and tests from Node.js. Ideally, code contributions to this module are copy-pasted from Node.js and transpiled to ES5, rather than reimplemented from scratch. Matching the Node.js code as closely as possible makes maintenance simpler when new changes land in Node.js.
+This module intends to provide exactly the same API as Node.js, so features that are not available in the core `events` module will not be accepted. Feature requests should instead be directed at [nodejs/node](https://github.com/nodejs/node) and will be added to this module once they are implemented in Node.js.
+
+If there is a difference in behaviour between Node.js's `events` module and this module, please open an issue!
+
+## License
+
+[MIT](./LICENSE)
+
+[node.js docs]: https://nodejs.org/dist/v11.13.0/docs/api/events.html
diff --git a/node_modules/events/events.js b/node_modules/events/events.js
new file mode 100644
index 00000000..34b69a0b
--- /dev/null
+++ b/node_modules/events/events.js
@@ -0,0 +1,497 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var R = typeof Reflect === 'object' ? Reflect : null
+var ReflectApply = R && typeof R.apply === 'function'
+  ? R.apply
+  : function ReflectApply(target, receiver, args) {
+    return Function.prototype.apply.call(target, receiver, args);
+  }
+
+var ReflectOwnKeys
+if (R && typeof R.ownKeys === 'function') {
+  ReflectOwnKeys = R.ownKeys
+} else if (Object.getOwnPropertySymbols) {
+  ReflectOwnKeys = function ReflectOwnKeys(target) {
+    return Object.getOwnPropertyNames(target)
+      .concat(Object.getOwnPropertySymbols(target));
+  };
+} else {
+  ReflectOwnKeys = function ReflectOwnKeys(target) {
+    return Object.getOwnPropertyNames(target);
+  };
+}
+
+function ProcessEmitWarning(warning) {
+  if (console && console.warn) console.warn(warning);
+}
+
+var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
+  return value !== value;
+}
+
+function EventEmitter() {
+  EventEmitter.init.call(this);
+}
+module.exports = EventEmitter;
+module.exports.once = once;
+
+// Backwards-compat with node 0.10.x
+EventEmitter.EventEmitter = EventEmitter;
+
+EventEmitter.prototype._events = undefined;
+EventEmitter.prototype._eventsCount = 0;
+EventEmitter.prototype._maxListeners = undefined;
+
+// By default EventEmitters will print a warning if more than 10 listeners are
+// added to it. This is a useful default which helps finding memory leaks.
+var defaultMaxListeners = 10;
+
+function checkListener(listener) {
+  if (typeof listener !== 'function') {
+    throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
+  }
+}
+
+Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
+  enumerable: true,
+  get: function() {
+    return defaultMaxListeners;
+  },
+  set: function(arg) {
+    if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
+      throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
+    }
+    defaultMaxListeners = arg;
+  }
+});
+
+EventEmitter.init = function() {
+
+  if (this._events === undefined ||
+      this._events === Object.getPrototypeOf(this)._events) {
+    this._events = Object.create(null);
+    this._eventsCount = 0;
+  }
+
+  this._maxListeners = this._maxListeners || undefined;
+};
+
+// Obviously not all Emitters should be limited to 10. This function allows
+// that to be increased. Set to zero for unlimited.
+EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
+  if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
+    throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
+  }
+  this._maxListeners = n;
+  return this;
+};
+
+function _getMaxListeners(that) {
+  if (that._maxListeners === undefined)
+    return EventEmitter.defaultMaxListeners;
+  return that._maxListeners;
+}
+
+EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
+  return _getMaxListeners(this);
+};
+
+EventEmitter.prototype.emit = function emit(type) {
+  var args = [];
+  for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
+  var doError = (type === 'error');
+
+  var events = this._events;
+  if (events !== undefined)
+    doError = (doError && events.error === undefined);
+  else if (!doError)
+    return false;
+
+  // If there is no 'error' event listener then throw.
+  if (doError) {
+    var er;
+    if (args.length > 0)
+      er = args[0];
+    if (er instanceof Error) {
+      // Note: The comments on the `throw` lines are intentional, they show
+      // up in Node's output if this results in an unhandled exception.
+      throw er; // Unhandled 'error' event
+    }
+    // At least give some kind of context to the user
+    var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
+    err.context = er;
+    throw err; // Unhandled 'error' event
+  }
+
+  var handler = events[type];
+
+  if (handler === undefined)
+    return false;
+
+  if (typeof handler === 'function') {
+    ReflectApply(handler, this, args);
+  } else {
+    var len = handler.length;
+    var listeners = arrayClone(handler, len);
+    for (var i = 0; i < len; ++i)
+      ReflectApply(listeners[i], this, args);
+  }
+
+  return true;
+};
+
+function _addListener(target, type, listener, prepend) {
+  var m;
+  var events;
+  var existing;
+
+  checkListener(listener);
+
+  events = target._events;
+  if (events === undefined) {
+    events = target._events = Object.create(null);
+    target._eventsCount = 0;
+  } else {
+    // To avoid recursion in the case that type === "newListener"! Before
+    // adding it to the listeners, first emit "newListener".
+    if (events.newListener !== undefined) {
+      target.emit('newListener', type,
+                  listener.listener ? listener.listener : listener);
+
+      // Re-assign `events` because a newListener handler could have caused the
+      // this._events to be assigned to a new object
+      events = target._events;
+    }
+    existing = events[type];
+  }
+
+  if (existing === undefined) {
+    // Optimize the case of one listener. Don't need the extra array object.
+    existing = events[type] = listener;
+    ++target._eventsCount;
+  } else {
+    if (typeof existing === 'function') {
+      // Adding the second element, need to change to array.
+      existing = events[type] =
+        prepend ? [listener, existing] : [existing, listener];
+      // If we've already got an array, just append.
+    } else if (prepend) {
+      existing.unshift(listener);
+    } else {
+      existing.push(listener);
+    }
+
+    // Check for listener leak
+    m = _getMaxListeners(target);
+    if (m > 0 && existing.length > m && !existing.warned) {
+      existing.warned = true;
+      // No error code for this since it is a Warning
+      // eslint-disable-next-line no-restricted-syntax
+      var w = new Error('Possible EventEmitter memory leak detected. ' +
+                          existing.length + ' ' + String(type) + ' listeners ' +
+                          'added. Use emitter.setMaxListeners() to ' +
+                          'increase limit');
+      w.name = 'MaxListenersExceededWarning';
+      w.emitter = target;
+      w.type = type;
+      w.count = existing.length;
+      ProcessEmitWarning(w);
+    }
+  }
+
+  return target;
+}
+
+EventEmitter.prototype.addListener = function addListener(type, listener) {
+  return _addListener(this, type, listener, false);
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+
+EventEmitter.prototype.prependListener =
+    function prependListener(type, listener) {
+      return _addListener(this, type, listener, true);
+    };
+
+function onceWrapper() {
+  if (!this.fired) {
+    this.target.removeListener(this.type, this.wrapFn);
+    this.fired = true;
+    if (arguments.length === 0)
+      return this.listener.call(this.target);
+    return this.listener.apply(this.target, arguments);
+  }
+}
+
+function _onceWrap(target, type, listener) {
+  var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
+  var wrapped = onceWrapper.bind(state);
+  wrapped.listener = listener;
+  state.wrapFn = wrapped;
+  return wrapped;
+}
+
+EventEmitter.prototype.once = function once(type, listener) {
+  checkListener(listener);
+  this.on(type, _onceWrap(this, type, listener));
+  return this;
+};
+
+EventEmitter.prototype.prependOnceListener =
+    function prependOnceListener(type, listener) {
+      checkListener(listener);
+      this.prependListener(type, _onceWrap(this, type, listener));
+      return this;
+    };
+
+// Emits a 'removeListener' event if and only if the listener was removed.
+EventEmitter.prototype.removeListener =
+    function removeListener(type, listener) {
+      var list, events, position, i, originalListener;
+
+      checkListener(listener);
+
+      events = this._events;
+      if (events === undefined)
+        return this;
+
+      list = events[type];
+      if (list === undefined)
+        return this;
+
+      if (list === listener || list.listener === listener) {
+        if (--this._eventsCount === 0)
+          this._events = Object.create(null);
+        else {
+          delete events[type];
+          if (events.removeListener)
+            this.emit('removeListener', type, list.listener || listener);
+        }
+      } else if (typeof list !== 'function') {
+        position = -1;
+
+        for (i = list.length - 1; i >= 0; i--) {
+          if (list[i] === listener || list[i].listener === listener) {
+            originalListener = list[i].listener;
+            position = i;
+            break;
+          }
+        }
+
+        if (position < 0)
+          return this;
+
+        if (position === 0)
+          list.shift();
+        else {
+          spliceOne(list, position);
+        }
+
+        if (list.length === 1)
+          events[type] = list[0];
+
+        if (events.removeListener !== undefined)
+          this.emit('removeListener', type, originalListener || listener);
+      }
+
+      return this;
+    };
+
+EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
+
+EventEmitter.prototype.removeAllListeners =
+    function removeAllListeners(type) {
+      var listeners, events, i;
+
+      events = this._events;
+      if (events === undefined)
+        return this;
+
+      // not listening for removeListener, no need to emit
+      if (events.removeListener === undefined) {
+        if (arguments.length === 0) {
+          this._events = Object.create(null);
+          this._eventsCount = 0;
+        } else if (events[type] !== undefined) {
+          if (--this._eventsCount === 0)
+            this._events = Object.create(null);
+          else
+            delete events[type];
+        }
+        return this;
+      }
+
+      // emit removeListener for all listeners on all events
+      if (arguments.length === 0) {
+        var keys = Object.keys(events);
+        var key;
+        for (i = 0; i < keys.length; ++i) {
+          key = keys[i];
+          if (key === 'removeListener') continue;
+          this.removeAllListeners(key);
+        }
+        this.removeAllListeners('removeListener');
+        this._events = Object.create(null);
+        this._eventsCount = 0;
+        return this;
+      }
+
+      listeners = events[type];
+
+      if (typeof listeners === 'function') {
+        this.removeListener(type, listeners);
+      } else if (listeners !== undefined) {
+        // LIFO order
+        for (i = listeners.length - 1; i >= 0; i--) {
+          this.removeListener(type, listeners[i]);
+        }
+      }
+
+      return this;
+    };
+
+function _listeners(target, type, unwrap) {
+  var events = target._events;
+
+  if (events === undefined)
+    return [];
+
+  var evlistener = events[type];
+  if (evlistener === undefined)
+    return [];
+
+  if (typeof evlistener === 'function')
+    return unwrap ? [evlistener.listener || evlistener] : [evlistener];
+
+  return unwrap ?
+    unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
+}
+
+EventEmitter.prototype.listeners = function listeners(type) {
+  return _listeners(this, type, true);
+};
+
+EventEmitter.prototype.rawListeners = function rawListeners(type) {
+  return _listeners(this, type, false);
+};
+
+EventEmitter.listenerCount = function(emitter, type) {
+  if (typeof emitter.listenerCount === 'function') {
+    return emitter.listenerCount(type);
+  } else {
+    return listenerCount.call(emitter, type);
+  }
+};
+
+EventEmitter.prototype.listenerCount = listenerCount;
+function listenerCount(type) {
+  var events = this._events;
+
+  if (events !== undefined) {
+    var evlistener = events[type];
+
+    if (typeof evlistener === 'function') {
+      return 1;
+    } else if (evlistener !== undefined) {
+      return evlistener.length;
+    }
+  }
+
+  return 0;
+}
+
+EventEmitter.prototype.eventNames = function eventNames() {
+  return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
+};
+
+function arrayClone(arr, n) {
+  var copy = new Array(n);
+  for (var i = 0; i < n; ++i)
+    copy[i] = arr[i];
+  return copy;
+}
+
+function spliceOne(list, index) {
+  for (; index + 1 < list.length; index++)
+    list[index] = list[index + 1];
+  list.pop();
+}
+
+function unwrapListeners(arr) {
+  var ret = new Array(arr.length);
+  for (var i = 0; i < ret.length; ++i) {
+    ret[i] = arr[i].listener || arr[i];
+  }
+  return ret;
+}
+
+function once(emitter, name) {
+  return new Promise(function (resolve, reject) {
+    function errorListener(err) {
+      emitter.removeListener(name, resolver);
+      reject(err);
+    }
+
+    function resolver() {
+      if (typeof emitter.removeListener === 'function') {
+        emitter.removeListener('error', errorListener);
+      }
+      resolve([].slice.call(arguments));
+    };
+
+    eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
+    if (name !== 'error') {
+      addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
+    }
+  });
+}
+
+function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
+  if (typeof emitter.on === 'function') {
+    eventTargetAgnosticAddListener(emitter, 'error', handler, flags);
+  }
+}
+
+function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
+  if (typeof emitter.on === 'function') {
+    if (flags.once) {
+      emitter.once(name, listener);
+    } else {
+      emitter.on(name, listener);
+    }
+  } else if (typeof emitter.addEventListener === 'function') {
+    // EventTarget does not have `error` event semantics like Node
+    // EventEmitters, we do not listen for `error` events here.
+    emitter.addEventListener(name, function wrapListener(arg) {
+      // IE does not have builtin `{ once: true }` support so we
+      // have to do it manually.
+      if (flags.once) {
+        emitter.removeEventListener(name, wrapListener);
+      }
+      listener(arg);
+    });
+  } else {
+    throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
+  }
+}
diff --git a/node_modules/events/package.json b/node_modules/events/package.json
new file mode 100644
index 00000000..b9580d88
--- /dev/null
+++ b/node_modules/events/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "events",
+  "version": "3.3.0",
+  "description": "Node's event emitter for all engines.",
+  "keywords": [
+    "events",
+    "eventEmitter",
+    "eventDispatcher",
+    "listeners"
+  ],
+  "author": "Irakli Gozalishvili <rfobic@gmail.com> (http://jeditoolkit.com)",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/Gozala/events.git",
+    "web": "https://github.com/Gozala/events"
+  },
+  "bugs": {
+    "url": "http://github.com/Gozala/events/issues/"
+  },
+  "main": "./events.js",
+  "engines": {
+    "node": ">=0.8.x"
+  },
+  "devDependencies": {
+    "airtap": "^1.0.0",
+    "functions-have-names": "^1.2.1",
+    "has": "^1.0.3",
+    "has-symbols": "^1.0.1",
+    "isarray": "^2.0.5",
+    "tape": "^5.0.0"
+  },
+  "scripts": {
+    "test": "node tests/index.js",
+    "test:browsers": "airtap -- tests/index.js"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/events/security.md b/node_modules/events/security.md
new file mode 100644
index 00000000..a14ace6a
--- /dev/null
+++ b/node_modules/events/security.md
@@ -0,0 +1,10 @@
+# Security Policy
+
+## Supported Versions
+Only the latest major version is supported at any given time.
+
+## Reporting a Vulnerability
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
diff --git a/node_modules/events/tests/add-listeners.js b/node_modules/events/tests/add-listeners.js
new file mode 100644
index 00000000..9b578272
--- /dev/null
+++ b/node_modules/events/tests/add-listeners.js
@@ -0,0 +1,111 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var EventEmitter = require('../');
+
+{
+  var ee = new EventEmitter();
+  var events_new_listener_emitted = [];
+  var listeners_new_listener_emitted = [];
+
+  // Sanity check
+  assert.strictEqual(ee.addListener, ee.on);
+
+  ee.on('newListener', function(event, listener) {
+    // Don't track newListener listeners.
+    if (event === 'newListener')
+      return;
+
+    events_new_listener_emitted.push(event);
+    listeners_new_listener_emitted.push(listener);
+  });
+
+  var hello = common.mustCall(function(a, b) {
+    assert.strictEqual('a', a);
+    assert.strictEqual('b', b);
+  });
+
+  ee.once('newListener', function(name, listener) {
+    assert.strictEqual(name, 'hello');
+    assert.strictEqual(listener, hello);
+
+    var listeners = this.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 0);
+  });
+
+  ee.on('hello', hello);
+  ee.once('foo', assert.fail);
+
+  assert.ok(Array.isArray(events_new_listener_emitted));
+  assert.strictEqual(events_new_listener_emitted.length, 2);
+  assert.strictEqual(events_new_listener_emitted[0], 'hello');
+  assert.strictEqual(events_new_listener_emitted[1], 'foo');
+
+  assert.ok(Array.isArray(listeners_new_listener_emitted));
+  assert.strictEqual(listeners_new_listener_emitted.length, 2);
+  assert.strictEqual(listeners_new_listener_emitted[0], hello);
+  assert.strictEqual(listeners_new_listener_emitted[1], assert.fail);
+
+  ee.emit('hello', 'a', 'b');
+}
+
+// just make sure that this doesn't throw:
+{
+  var f = new EventEmitter();
+
+  f.setMaxListeners(0);
+}
+
+{
+  var listen1 = function() {};
+  var listen2 = function() {};
+  var ee = new EventEmitter();
+
+  ee.once('newListener', function() {
+    var listeners = ee.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 0);
+    ee.once('newListener', function() {
+      var listeners = ee.listeners('hello');
+      assert.ok(Array.isArray(listeners));
+      assert.strictEqual(listeners.length, 0);
+    });
+    ee.on('hello', listen2);
+  });
+  ee.on('hello', listen1);
+  // The order of listeners on an event is not always the order in which the
+  // listeners were added.
+  var listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 2);
+  assert.strictEqual(listeners[0], listen2);
+  assert.strictEqual(listeners[1], listen1);
+}
+
+// Verify that the listener must be a function
+assert.throws(function() {
+  var ee = new EventEmitter();
+
+  ee.on('foo', null);
+}, /^TypeError: The "listener" argument must be of type Function. Received type object$/);
diff --git a/node_modules/events/tests/check-listener-leaks.js b/node_modules/events/tests/check-listener-leaks.js
new file mode 100644
index 00000000..7fce48f3
--- /dev/null
+++ b/node_modules/events/tests/check-listener-leaks.js
@@ -0,0 +1,101 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var events = require('../');
+
+// Redirect warning output to tape.
+var consoleWarn = console.warn;
+console.warn = common.test.comment;
+
+common.test.on('end', function () {
+  console.warn = consoleWarn;
+});
+
+// default
+{
+  var e = new events.EventEmitter();
+
+  for (var i = 0; i < 10; i++) {
+    e.on('default', common.mustNotCall());
+  }
+  assert.ok(!e._events['default'].hasOwnProperty('warned'));
+  e.on('default', common.mustNotCall());
+  assert.ok(e._events['default'].warned);
+
+  // specific
+  e.setMaxListeners(5);
+  for (var i = 0; i < 5; i++) {
+    e.on('specific', common.mustNotCall());
+  }
+  assert.ok(!e._events['specific'].hasOwnProperty('warned'));
+  e.on('specific', common.mustNotCall());
+  assert.ok(e._events['specific'].warned);
+
+  // only one
+  e.setMaxListeners(1);
+  e.on('only one', common.mustNotCall());
+  assert.ok(!e._events['only one'].hasOwnProperty('warned'));
+  e.on('only one', common.mustNotCall());
+  assert.ok(e._events['only one'].hasOwnProperty('warned'));
+
+  // unlimited
+  e.setMaxListeners(0);
+  for (var i = 0; i < 1000; i++) {
+    e.on('unlimited', common.mustNotCall());
+  }
+  assert.ok(!e._events['unlimited'].hasOwnProperty('warned'));
+}
+
+// process-wide
+{
+  events.EventEmitter.defaultMaxListeners = 42;
+  var e = new events.EventEmitter();
+
+  for (var i = 0; i < 42; ++i) {
+    e.on('fortytwo', common.mustNotCall());
+  }
+  assert.ok(!e._events['fortytwo'].hasOwnProperty('warned'));
+  e.on('fortytwo', common.mustNotCall());
+  assert.ok(e._events['fortytwo'].hasOwnProperty('warned'));
+  delete e._events['fortytwo'].warned;
+
+  events.EventEmitter.defaultMaxListeners = 44;
+  e.on('fortytwo', common.mustNotCall());
+  assert.ok(!e._events['fortytwo'].hasOwnProperty('warned'));
+  e.on('fortytwo', common.mustNotCall());
+  assert.ok(e._events['fortytwo'].hasOwnProperty('warned'));
+}
+
+// but _maxListeners still has precedence over defaultMaxListeners
+{
+  events.EventEmitter.defaultMaxListeners = 42;
+  var e = new events.EventEmitter();
+  e.setMaxListeners(1);
+  e.on('uno', common.mustNotCall());
+  assert.ok(!e._events['uno'].hasOwnProperty('warned'));
+  e.on('uno', common.mustNotCall());
+  assert.ok(e._events['uno'].hasOwnProperty('warned'));
+
+  // chainable
+  assert.strictEqual(e, e.setMaxListeners(1));
+}
diff --git a/node_modules/events/tests/common.js b/node_modules/events/tests/common.js
new file mode 100644
index 00000000..49569b05
--- /dev/null
+++ b/node_modules/events/tests/common.js
@@ -0,0 +1,104 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var test = require('tape');
+var assert = require('assert');
+
+var noop = function() {};
+
+var mustCallChecks = [];
+
+function runCallChecks(exitCode) {
+  if (exitCode !== 0) return;
+
+  var failed = filter(mustCallChecks, function(context) {
+    if ('minimum' in context) {
+      context.messageSegment = 'at least ' + context.minimum;
+      return context.actual < context.minimum;
+    } else {
+      context.messageSegment = 'exactly ' + context.exact;
+      return context.actual !== context.exact;
+    }
+  });
+
+  for (var i = 0; i < failed.length; i++) {
+    var context = failed[i];
+    console.log('Mismatched %s function calls. Expected %s, actual %d.',
+        context.name,
+        context.messageSegment,
+        context.actual);
+    // IE8 has no .stack
+    if (context.stack) console.log(context.stack.split('\n').slice(2).join('\n'));
+  }
+
+  assert.strictEqual(failed.length, 0);
+}
+
+exports.mustCall = function(fn, exact) {
+  return _mustCallInner(fn, exact, 'exact');
+};
+
+function _mustCallInner(fn, criteria, field) {
+  if (typeof criteria == 'undefined') criteria = 1;
+
+  if (typeof fn === 'number') {
+    criteria = fn;
+    fn = noop;
+  } else if (fn === undefined) {
+    fn = noop;
+  }
+
+  if (typeof criteria !== 'number')
+    throw new TypeError('Invalid ' + field + ' value: ' + criteria);
+
+  var context = {
+    actual: 0,
+    stack: (new Error()).stack,
+    name: fn.name || '<anonymous>'
+  };
+
+  context[field] = criteria;
+
+  // add the exit listener only once to avoid listener leak warnings
+  if (mustCallChecks.length === 0) test.onFinish(function() { runCallChecks(0); });
+
+  mustCallChecks.push(context);
+
+  return function() {
+    context.actual++;
+    return fn.apply(this, arguments);
+  };
+}
+
+exports.mustNotCall = function(msg) {
+  return function mustNotCall() {
+    assert.fail(msg || 'function should not have been called');
+  };
+};
+
+function filter(arr, fn) {
+  if (arr.filter) return arr.filter(fn);
+  var filtered = [];
+  for (var i = 0; i < arr.length; i++) {
+    if (fn(arr[i], i, arr)) filtered.push(arr[i]);
+  }
+  return filtered
+}
diff --git a/node_modules/events/tests/errors.js b/node_modules/events/tests/errors.js
new file mode 100644
index 00000000..a23df437
--- /dev/null
+++ b/node_modules/events/tests/errors.js
@@ -0,0 +1,13 @@
+'use strict';
+var assert = require('assert');
+var EventEmitter = require('../');
+
+var EE = new EventEmitter();
+
+assert.throws(function () {
+  EE.emit('error', 'Accepts a string');
+}, 'Error: Unhandled error. (Accepts a string)');
+
+assert.throws(function () {
+  EE.emit('error', { message: 'Error!' });
+}, 'Unhandled error. ([object Object])');
diff --git a/node_modules/events/tests/events-list.js b/node_modules/events/tests/events-list.js
new file mode 100644
index 00000000..08aa6217
--- /dev/null
+++ b/node_modules/events/tests/events-list.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var EventEmitter = require('../');
+var assert = require('assert');
+
+var EE = new EventEmitter();
+var m = function() {};
+EE.on('foo', function() {});
+assert.equal(1, EE.eventNames().length);
+assert.equal('foo', EE.eventNames()[0]);
+EE.on('bar', m);
+assert.equal(2, EE.eventNames().length);
+assert.equal('foo', EE.eventNames()[0]);
+assert.equal('bar', EE.eventNames()[1]);
+EE.removeListener('bar', m);
+assert.equal(1, EE.eventNames().length);
+assert.equal('foo', EE.eventNames()[0]);
+
+if (typeof Symbol !== 'undefined') {
+  var s = Symbol('s');
+  EE.on(s, m);
+  assert.equal(2, EE.eventNames().length);
+  assert.equal('foo', EE.eventNames()[0]);
+  assert.equal(s, EE.eventNames()[1]);
+  EE.removeListener(s, m);
+  assert.equal(1, EE.eventNames().length);
+  assert.equal('foo', EE.eventNames()[0]);
+}
diff --git a/node_modules/events/tests/events-once.js b/node_modules/events/tests/events-once.js
new file mode 100644
index 00000000..dae86496
--- /dev/null
+++ b/node_modules/events/tests/events-once.js
@@ -0,0 +1,234 @@
+'use strict';
+
+var common = require('./common');
+var EventEmitter = require('../').EventEmitter;
+var once = require('../').once;
+var has = require('has');
+var assert = require('assert');
+
+function Event(type) {
+  this.type = type;
+}
+
+function EventTargetMock() {
+  this.events = {};
+
+  this.addEventListener = common.mustCall(this.addEventListener);
+  this.removeEventListener = common.mustCall(this.removeEventListener);
+}
+
+EventTargetMock.prototype.addEventListener = function addEventListener(name, listener, options) {
+  if (!(name in this.events)) {
+    this.events[name] = { listeners: [], options: options || {} }
+  }
+  this.events[name].listeners.push(listener);
+};
+
+EventTargetMock.prototype.removeEventListener = function removeEventListener(name, callback) {
+  if (!(name in this.events)) {
+    return;
+  }
+  var event = this.events[name];
+  var stack = event.listeners;
+
+  for (var i = 0, l = stack.length; i < l; i++) {
+    if (stack[i] === callback) {
+      stack.splice(i, 1);
+      if (stack.length === 0) {
+        delete this.events[name];
+      }
+      return;
+    }
+  }
+};
+
+EventTargetMock.prototype.dispatchEvent = function dispatchEvent(arg) {
+  if (!(arg.type in this.events)) {
+    return true;
+  }
+
+  var event = this.events[arg.type];
+  var stack = event.listeners.slice();
+
+  for (var i = 0, l = stack.length; i < l; i++) {
+    stack[i].call(null, arg);
+    if (event.options.once) {
+      this.removeEventListener(arg.type, stack[i]);
+    }
+  }
+  return !arg.defaultPrevented;
+};
+
+function onceAnEvent() {
+  var ee = new EventEmitter();
+
+  process.nextTick(function () {
+    ee.emit('myevent', 42);
+  });
+
+  return once(ee, 'myevent').then(function (args) {
+    var value = args[0]
+    assert.strictEqual(value, 42);
+    assert.strictEqual(ee.listenerCount('error'), 0);
+    assert.strictEqual(ee.listenerCount('myevent'), 0);
+  });
+}
+
+function onceAnEventWithTwoArgs() {
+  var ee = new EventEmitter();
+
+  process.nextTick(function () {
+    ee.emit('myevent', 42, 24);
+  });
+
+  return once(ee, 'myevent').then(function (value) {
+    assert.strictEqual(value.length, 2);
+    assert.strictEqual(value[0], 42);
+    assert.strictEqual(value[1], 24);
+  });
+}
+
+function catchesErrors() {
+  var ee = new EventEmitter();
+
+  var expected = new Error('kaboom');
+  var err;
+  process.nextTick(function () {
+    ee.emit('error', expected);
+  });
+
+  return once(ee, 'myevent').then(function () {
+    throw new Error('should reject')
+  }, function (err) {
+    assert.strictEqual(err, expected);
+    assert.strictEqual(ee.listenerCount('error'), 0);
+    assert.strictEqual(ee.listenerCount('myevent'), 0);
+  });
+}
+
+function stopListeningAfterCatchingError() {
+  var ee = new EventEmitter();
+
+  var expected = new Error('kaboom');
+  var err;
+  process.nextTick(function () {
+    ee.emit('error', expected);
+    ee.emit('myevent', 42, 24);
+  });
+
+  // process.on('multipleResolves', common.mustNotCall());
+
+  return once(ee, 'myevent').then(common.mustNotCall, function (err) {
+    // process.removeAllListeners('multipleResolves');
+    assert.strictEqual(err, expected);
+    assert.strictEqual(ee.listenerCount('error'), 0);
+    assert.strictEqual(ee.listenerCount('myevent'), 0);
+  });
+}
+
+function onceError() {
+  var ee = new EventEmitter();
+
+  var expected = new Error('kaboom');
+  process.nextTick(function () {
+    ee.emit('error', expected);
+  });
+
+  var promise = once(ee, 'error');
+  assert.strictEqual(ee.listenerCount('error'), 1);
+  return promise.then(function (args) {
+    var err = args[0]
+    assert.strictEqual(err, expected);
+    assert.strictEqual(ee.listenerCount('error'), 0);
+    assert.strictEqual(ee.listenerCount('myevent'), 0);
+  });
+}
+
+function onceWithEventTarget() {
+  var et = new EventTargetMock();
+  var event = new Event('myevent');
+  process.nextTick(function () {
+    et.dispatchEvent(event);
+  });
+  return once(et, 'myevent').then(function (args) {
+    var value = args[0];
+    assert.strictEqual(value, event);
+    assert.strictEqual(has(et.events, 'myevent'), false);
+  });
+}
+
+function onceWithEventTargetError() {
+  var et = new EventTargetMock();
+  var error = new Event('error');
+  process.nextTick(function () {
+    et.dispatchEvent(error);
+  });
+  return once(et, 'error').then(function (args) {
+    var err = args[0];
+    assert.strictEqual(err, error);
+    assert.strictEqual(has(et.events, 'error'), false);
+  });
+}
+
+function prioritizesEventEmitter() {
+  var ee = new EventEmitter();
+  ee.addEventListener = assert.fail;
+  ee.removeAllListeners = assert.fail;
+  process.nextTick(function () {
+    ee.emit('foo');
+  });
+  return once(ee, 'foo');
+}
+
+var allTests = [
+  onceAnEvent(),
+  onceAnEventWithTwoArgs(),
+  catchesErrors(),
+  stopListeningAfterCatchingError(),
+  onceError(),
+  onceWithEventTarget(),
+  onceWithEventTargetError(),
+  prioritizesEventEmitter()
+];
+
+var hasBrowserEventTarget = false;
+try {
+  hasBrowserEventTarget = typeof (new window.EventTarget().addEventListener) === 'function' &&
+    new window.Event('xyz').type === 'xyz';
+} catch (err) {}
+
+if (hasBrowserEventTarget) {
+  var onceWithBrowserEventTarget = function onceWithBrowserEventTarget() {
+    var et = new window.EventTarget();
+    var event = new window.Event('myevent');
+    process.nextTick(function () {
+      et.dispatchEvent(event);
+    });
+    return once(et, 'myevent').then(function (args) {
+      var value = args[0];
+      assert.strictEqual(value, event);
+      assert.strictEqual(has(et.events, 'myevent'), false);
+    });
+  }
+
+  var onceWithBrowserEventTargetError = function onceWithBrowserEventTargetError() {
+    var et = new window.EventTarget();
+    var error = new window.Event('error');
+    process.nextTick(function () {
+      et.dispatchEvent(error);
+    });
+    return once(et, 'error').then(function (args) {
+      var err = args[0];
+      assert.strictEqual(err, error);
+      assert.strictEqual(has(et.events, 'error'), false);
+    });
+  }
+
+  common.test.comment('Testing with browser built-in EventTarget');
+  allTests.push([
+    onceWithBrowserEventTarget(),
+    onceWithBrowserEventTargetError()
+  ]);
+}
+
+module.exports = Promise.all(allTests);
diff --git a/node_modules/events/tests/index.js b/node_modules/events/tests/index.js
new file mode 100644
index 00000000..2d739e67
--- /dev/null
+++ b/node_modules/events/tests/index.js
@@ -0,0 +1,64 @@
+var test = require('tape');
+var functionsHaveNames = require('functions-have-names');
+var hasSymbols = require('has-symbols');
+
+require('./legacy-compat');
+var common = require('./common');
+
+// we do this to easily wrap each file in a mocha test
+// and also have browserify be able to statically analyze this file
+var orig_require = require;
+var require = function(file) {
+    test(file, function(t) {
+        // Store the tape object so tests can access it.
+        t.on('end', function () { delete common.test; });
+        common.test = t;
+
+        try {
+          var exp = orig_require(file);
+          if (exp && exp.then) {
+            exp.then(function () { t.end(); }, t.fail);
+            return;
+          }
+        } catch (err) {
+          t.fail(err);
+        }
+        t.end();
+    });
+};
+
+require('./add-listeners.js');
+require('./check-listener-leaks.js');
+require('./errors.js');
+require('./events-list.js');
+if (typeof Promise === 'function') {
+  require('./events-once.js');
+} else {
+  // Promise support is not available.
+  test('./events-once.js', { skip: true }, function () {});
+}
+require('./listener-count.js');
+require('./listeners-side-effects.js');
+require('./listeners.js');
+require('./max-listeners.js');
+if (functionsHaveNames()) {
+  require('./method-names.js');
+} else {
+  // Function.name is not supported in IE
+  test('./method-names.js', { skip: true }, function () {});
+}
+require('./modify-in-emit.js');
+require('./num-args.js');
+require('./once.js');
+require('./prepend.js');
+require('./set-max-listeners-side-effects.js');
+require('./special-event-names.js');
+require('./subclass.js');
+if (hasSymbols()) {
+  require('./symbols.js');
+} else {
+  // Symbol is not available.
+  test('./symbols.js', { skip: true }, function () {});
+}
+require('./remove-all-listeners.js');
+require('./remove-listeners.js');
diff --git a/node_modules/events/tests/legacy-compat.js b/node_modules/events/tests/legacy-compat.js
new file mode 100644
index 00000000..a402be6e
--- /dev/null
+++ b/node_modules/events/tests/legacy-compat.js
@@ -0,0 +1,16 @@
+// sigh... life is hard
+if (!global.console) {
+    console = {}
+}
+
+var fns = ['log', 'error', 'trace'];
+for (var i=0 ; i<fns.length ; ++i) {
+    var fn = fns[i];
+    if (!console[fn]) {
+        console[fn] = function() {};
+    }
+}
+
+if (!Array.isArray) {
+    Array.isArray = require('isarray');
+}
diff --git a/node_modules/events/tests/listener-count.js b/node_modules/events/tests/listener-count.js
new file mode 100644
index 00000000..9d422d87
--- /dev/null
+++ b/node_modules/events/tests/listener-count.js
@@ -0,0 +1,37 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+var EventEmitter = require('../');
+
+var emitter = new EventEmitter();
+emitter.on('foo', function() {});
+emitter.on('foo', function() {});
+emitter.on('baz', function() {});
+// Allow any type
+emitter.on(123, function() {});
+
+assert.strictEqual(EventEmitter.listenerCount(emitter, 'foo'), 2);
+assert.strictEqual(emitter.listenerCount('foo'), 2);
+assert.strictEqual(emitter.listenerCount('bar'), 0);
+assert.strictEqual(emitter.listenerCount('baz'), 1);
+assert.strictEqual(emitter.listenerCount(123), 1);
diff --git a/node_modules/events/tests/listeners-side-effects.js b/node_modules/events/tests/listeners-side-effects.js
new file mode 100644
index 00000000..180f8331
--- /dev/null
+++ b/node_modules/events/tests/listeners-side-effects.js
@@ -0,0 +1,56 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+
+var EventEmitter = require('../').EventEmitter;
+
+var e = new EventEmitter();
+var fl;  // foo listeners
+
+fl = e.listeners('foo');
+assert.ok(Array.isArray(fl));
+assert.strictEqual(fl.length, 0);
+if (Object.create) assert.ok(!(e._events instanceof Object));
+assert.strictEqual(Object.keys(e._events).length, 0);
+
+e.on('foo', assert.fail);
+fl = e.listeners('foo');
+assert.strictEqual(e._events.foo, assert.fail);
+assert.ok(Array.isArray(fl));
+assert.strictEqual(fl.length, 1);
+assert.strictEqual(fl[0], assert.fail);
+
+e.listeners('bar');
+
+e.on('foo', assert.ok);
+fl = e.listeners('foo');
+
+assert.ok(Array.isArray(e._events.foo));
+assert.strictEqual(e._events.foo.length, 2);
+assert.strictEqual(e._events.foo[0], assert.fail);
+assert.strictEqual(e._events.foo[1], assert.ok);
+
+assert.ok(Array.isArray(fl));
+assert.strictEqual(fl.length, 2);
+assert.strictEqual(fl[0], assert.fail);
+assert.strictEqual(fl[1], assert.ok);
diff --git a/node_modules/events/tests/listeners.js b/node_modules/events/tests/listeners.js
new file mode 100644
index 00000000..1909d2df
--- /dev/null
+++ b/node_modules/events/tests/listeners.js
@@ -0,0 +1,168 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+var events = require('../');
+var util = require('util');
+
+function listener() {}
+function listener2() {}
+function listener3() {
+  return 0;
+}
+function listener4() {
+  return 1;
+}
+
+function TestStream() {}
+util.inherits(TestStream, events.EventEmitter);
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', listener);
+  var fooListeners = ee.listeners('foo');
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener);
+
+  ee.removeAllListeners('foo');
+  listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+
+  assert.ok(Array.isArray(fooListeners));
+  assert.strictEqual(fooListeners.length, 1);
+  assert.strictEqual(fooListeners[0], listener);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', listener);
+
+  var eeListenersCopy = ee.listeners('foo');
+  assert.ok(Array.isArray(eeListenersCopy));
+  assert.strictEqual(eeListenersCopy.length, 1);
+  assert.strictEqual(eeListenersCopy[0], listener);
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener);
+
+  eeListenersCopy.push(listener2);
+  listeners = ee.listeners('foo');
+  
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener);
+
+  assert.strictEqual(eeListenersCopy.length, 2);
+  assert.strictEqual(eeListenersCopy[0], listener);
+  assert.strictEqual(eeListenersCopy[1], listener2);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', listener);
+  var eeListenersCopy = ee.listeners('foo');
+  ee.on('foo', listener2);
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 2);
+  assert.strictEqual(listeners[0], listener);
+  assert.strictEqual(listeners[1], listener2);
+
+  assert.ok(Array.isArray(eeListenersCopy));
+  assert.strictEqual(eeListenersCopy.length, 1);
+  assert.strictEqual(eeListenersCopy[0], listener);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.once('foo', listener);
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', listener);
+  ee.once('foo', listener2);
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 2);
+  assert.strictEqual(listeners[0], listener);
+  assert.strictEqual(listeners[1], listener2);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee._events = undefined;
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+{
+  var s = new TestStream();
+  var listeners = s.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', listener);
+  var wrappedListener = ee.rawListeners('foo');
+  assert.strictEqual(wrappedListener.length, 1);
+  assert.strictEqual(wrappedListener[0], listener);
+  assert.notStrictEqual(wrappedListener, ee.rawListeners('foo'));
+  ee.once('foo', listener);
+  var wrappedListeners = ee.rawListeners('foo');
+  assert.strictEqual(wrappedListeners.length, 2);
+  assert.strictEqual(wrappedListeners[0], listener);
+  assert.notStrictEqual(wrappedListeners[1], listener);
+  assert.strictEqual(wrappedListeners[1].listener, listener);
+  assert.notStrictEqual(wrappedListeners, ee.rawListeners('foo'));
+  ee.emit('foo');
+  assert.strictEqual(wrappedListeners.length, 2);
+  assert.strictEqual(wrappedListeners[1].listener, listener);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.once('foo', listener3);
+  ee.on('foo', listener4);
+  var rawListeners = ee.rawListeners('foo');
+  assert.strictEqual(rawListeners.length, 2);
+  assert.strictEqual(rawListeners[0](), 0);
+  var rawListener = ee.rawListeners('foo');
+  assert.strictEqual(rawListener.length, 1);
+  assert.strictEqual(rawListener[0](), 1);
+}
diff --git a/node_modules/events/tests/max-listeners.js b/node_modules/events/tests/max-listeners.js
new file mode 100644
index 00000000..0b439538
--- /dev/null
+++ b/node_modules/events/tests/max-listeners.js
@@ -0,0 +1,47 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var events = require('../');
+var e = new events.EventEmitter();
+
+var hasDefineProperty = !!Object.defineProperty;
+try { Object.defineProperty({}, 'x', { value: 0 }); } catch (err) { hasDefineProperty = false }
+
+e.on('maxListeners', common.mustCall());
+
+// Should not corrupt the 'maxListeners' queue.
+e.setMaxListeners(42);
+
+var throwsObjs = [NaN, -1, 'and even this'];
+var maxError = /^RangeError: The value of "n" is out of range\. It must be a non-negative number\./;
+var defError = /^RangeError: The value of "defaultMaxListeners" is out of range\. It must be a non-negative number\./;
+
+for (var i = 0; i < throwsObjs.length; i++) {
+  var obj = throwsObjs[i];
+  assert.throws(function() { e.setMaxListeners(obj); }, maxError);
+  if (hasDefineProperty) {
+    assert.throws(function() { events.defaultMaxListeners = obj; }, defError);
+  }
+}
+
+e.emit('maxListeners');
diff --git a/node_modules/events/tests/method-names.js b/node_modules/events/tests/method-names.js
new file mode 100644
index 00000000..364a161f
--- /dev/null
+++ b/node_modules/events/tests/method-names.js
@@ -0,0 +1,35 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+require('./common');
+var assert = require('assert');
+var events = require('../');
+
+var E = events.EventEmitter.prototype;
+assert.strictEqual(E.constructor.name, 'EventEmitter');
+assert.strictEqual(E.on, E.addListener);  // Same method.
+assert.strictEqual(E.off, E.removeListener);  // Same method.
+Object.getOwnPropertyNames(E).forEach(function(name) {
+  if (name === 'constructor' || name === 'on' || name === 'off') return;
+  if (typeof E[name] !== 'function') return;
+  assert.strictEqual(E[name].name, name);
+});
diff --git a/node_modules/events/tests/modify-in-emit.js b/node_modules/events/tests/modify-in-emit.js
new file mode 100644
index 00000000..53fa6339
--- /dev/null
+++ b/node_modules/events/tests/modify-in-emit.js
@@ -0,0 +1,90 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+var events = require('../');
+
+var callbacks_called = [];
+
+var e = new events.EventEmitter();
+
+function callback1() {
+  callbacks_called.push('callback1');
+  e.on('foo', callback2);
+  e.on('foo', callback3);
+  e.removeListener('foo', callback1);
+}
+
+function callback2() {
+  callbacks_called.push('callback2');
+  e.removeListener('foo', callback2);
+}
+
+function callback3() {
+  callbacks_called.push('callback3');
+  e.removeListener('foo', callback3);
+}
+
+e.on('foo', callback1);
+assert.strictEqual(e.listeners('foo').length, 1);
+
+e.emit('foo');
+assert.strictEqual(e.listeners('foo').length, 2);
+assert.ok(Array.isArray(callbacks_called));
+assert.strictEqual(callbacks_called.length, 1);
+assert.strictEqual(callbacks_called[0], 'callback1');
+
+e.emit('foo');
+assert.strictEqual(e.listeners('foo').length, 0);
+assert.ok(Array.isArray(callbacks_called));
+assert.strictEqual(callbacks_called.length, 3);
+assert.strictEqual(callbacks_called[0], 'callback1');
+assert.strictEqual(callbacks_called[1], 'callback2');
+assert.strictEqual(callbacks_called[2], 'callback3');
+
+e.emit('foo');
+assert.strictEqual(e.listeners('foo').length, 0);
+assert.ok(Array.isArray(callbacks_called));
+assert.strictEqual(callbacks_called.length, 3);
+assert.strictEqual(callbacks_called[0], 'callback1');
+assert.strictEqual(callbacks_called[1], 'callback2');
+assert.strictEqual(callbacks_called[2], 'callback3');
+
+e.on('foo', callback1);
+e.on('foo', callback2);
+assert.strictEqual(e.listeners('foo').length, 2);
+e.removeAllListeners('foo');
+assert.strictEqual(e.listeners('foo').length, 0);
+
+// Verify that removing callbacks while in emit allows emits to propagate to
+// all listeners
+callbacks_called = [];
+
+e.on('foo', callback2);
+e.on('foo', callback3);
+assert.strictEqual(2, e.listeners('foo').length);
+e.emit('foo');
+assert.ok(Array.isArray(callbacks_called));
+assert.strictEqual(callbacks_called.length, 2);
+assert.strictEqual(callbacks_called[0], 'callback2');
+assert.strictEqual(callbacks_called[1], 'callback3');
+assert.strictEqual(0, e.listeners('foo').length);
diff --git a/node_modules/events/tests/num-args.js b/node_modules/events/tests/num-args.js
new file mode 100644
index 00000000..c9b0deb9
--- /dev/null
+++ b/node_modules/events/tests/num-args.js
@@ -0,0 +1,60 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+var events = require('../');
+
+var e = new events.EventEmitter();
+var num_args_emitted = [];
+
+e.on('numArgs', function() {
+  var numArgs = arguments.length;
+  num_args_emitted.push(numArgs);
+});
+
+e.on('foo', function() {
+  num_args_emitted.push(arguments.length);
+});
+
+e.on('foo', function() {
+  num_args_emitted.push(arguments.length);
+});
+
+e.emit('numArgs');
+e.emit('numArgs', null);
+e.emit('numArgs', null, null);
+e.emit('numArgs', null, null, null);
+e.emit('numArgs', null, null, null, null);
+e.emit('numArgs', null, null, null, null, null);
+
+e.emit('foo', null, null, null, null);
+
+assert.ok(Array.isArray(num_args_emitted));
+assert.strictEqual(num_args_emitted.length, 8);
+assert.strictEqual(num_args_emitted[0], 0);
+assert.strictEqual(num_args_emitted[1], 1);
+assert.strictEqual(num_args_emitted[2], 2);
+assert.strictEqual(num_args_emitted[3], 3);
+assert.strictEqual(num_args_emitted[4], 4);
+assert.strictEqual(num_args_emitted[5], 5);
+assert.strictEqual(num_args_emitted[6], 4);
+assert.strictEqual(num_args_emitted[6], 4);
diff --git a/node_modules/events/tests/once.js b/node_modules/events/tests/once.js
new file mode 100644
index 00000000..4b36c055
--- /dev/null
+++ b/node_modules/events/tests/once.js
@@ -0,0 +1,83 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var EventEmitter = require('../');
+
+var e = new EventEmitter();
+
+e.once('hello', common.mustCall());
+
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+
+function remove() {
+  assert.fail('once->foo should not be emitted');
+}
+
+e.once('foo', remove);
+e.removeListener('foo', remove);
+e.emit('foo');
+
+e.once('e', common.mustCall(function() {
+  e.emit('e');
+}));
+
+e.once('e', common.mustCall());
+
+e.emit('e');
+
+// Verify that the listener must be a function
+assert.throws(function() {
+  var ee = new EventEmitter();
+
+  ee.once('foo', null);
+}, /^TypeError: The "listener" argument must be of type Function. Received type object$/);
+
+{
+  // once() has different code paths based on the number of arguments being
+  // emitted. Verify that all of the cases are covered.
+  var maxArgs = 4;
+
+  for (var i = 0; i <= maxArgs; ++i) {
+    var ee = new EventEmitter();
+    var args = ['foo'];
+
+    for (var j = 0; j < i; ++j)
+      args.push(j);
+
+    ee.once('foo', common.mustCall(function() {
+      var params = Array.prototype.slice.call(arguments);
+      var restArgs = args.slice(1);
+      assert.ok(Array.isArray(params));
+      assert.strictEqual(params.length, restArgs.length);
+      for (var index = 0; index < params.length; index++) {
+        var param = params[index];
+        assert.strictEqual(param, restArgs[index]);
+      }
+  	}));
+
+    EventEmitter.prototype.emit.apply(ee, args);
+  }
+}
diff --git a/node_modules/events/tests/prepend.js b/node_modules/events/tests/prepend.js
new file mode 100644
index 00000000..79afde0b
--- /dev/null
+++ b/node_modules/events/tests/prepend.js
@@ -0,0 +1,31 @@
+'use strict';
+
+var common = require('./common');
+var EventEmitter = require('../');
+var assert = require('assert');
+
+var myEE = new EventEmitter();
+var m = 0;
+// This one comes last.
+myEE.on('foo', common.mustCall(function () {
+  assert.strictEqual(m, 2);
+}));
+
+// This one comes second.
+myEE.prependListener('foo', common.mustCall(function () {
+  assert.strictEqual(m++, 1);
+}));
+
+// This one comes first.
+myEE.prependOnceListener('foo',
+                         common.mustCall(function () {
+                           assert.strictEqual(m++, 0);
+                         }));
+
+myEE.emit('foo');
+
+// Verify that the listener must be a function
+assert.throws(function () {
+  var ee = new EventEmitter();
+  ee.prependOnceListener('foo', null);
+}, 'TypeError: The "listener" argument must be of type Function. Received type object');
diff --git a/node_modules/events/tests/remove-all-listeners.js b/node_modules/events/tests/remove-all-listeners.js
new file mode 100644
index 00000000..622941cf
--- /dev/null
+++ b/node_modules/events/tests/remove-all-listeners.js
@@ -0,0 +1,133 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var events = require('../');
+var test = require('tape');
+
+function expect(expected) {
+  var actual = [];
+  test.onFinish(function() {
+    var sortedActual = actual.sort();
+    var sortedExpected = expected.sort();
+    assert.strictEqual(sortedActual.length, sortedExpected.length);
+    for (var index = 0; index < sortedActual.length; index++) {
+      var value = sortedActual[index];
+      assert.strictEqual(value, sortedExpected[index]);
+    }
+  });
+  function listener(name) {
+    actual.push(name);
+  }
+  return common.mustCall(listener, expected.length);
+}
+
+{
+  var ee = new events.EventEmitter();
+  var noop = common.mustNotCall();
+  ee.on('foo', noop);
+  ee.on('bar', noop);
+  ee.on('baz', noop);
+  ee.on('baz', noop);
+  var fooListeners = ee.listeners('foo');
+  var barListeners = ee.listeners('bar');
+  var bazListeners = ee.listeners('baz');
+  ee.on('removeListener', expect(['bar', 'baz', 'baz']));
+  ee.removeAllListeners('bar');
+  ee.removeAllListeners('baz');
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], noop);
+
+  listeners = ee.listeners('bar');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+  listeners = ee.listeners('baz');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+  // After calling removeAllListeners(),
+  // the old listeners array should stay unchanged.
+  assert.strictEqual(fooListeners.length, 1);
+  assert.strictEqual(fooListeners[0], noop);
+  assert.strictEqual(barListeners.length, 1);
+  assert.strictEqual(barListeners[0], noop);
+  assert.strictEqual(bazListeners.length, 2);
+  assert.strictEqual(bazListeners[0], noop);
+  assert.strictEqual(bazListeners[1], noop);
+  // After calling removeAllListeners(),
+  // new listeners arrays is different from the old.
+  assert.notStrictEqual(ee.listeners('bar'), barListeners);
+  assert.notStrictEqual(ee.listeners('baz'), bazListeners);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('foo', common.mustNotCall());
+  ee.on('bar', common.mustNotCall());
+  // Expect LIFO order
+  ee.on('removeListener', expect(['foo', 'bar', 'removeListener']));
+  ee.on('removeListener', expect(['foo', 'bar']));
+  ee.removeAllListeners();
+
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+  listeners = ee.listeners('bar');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee.on('removeListener', common.mustNotCall());
+  // Check for regression where removeAllListeners() throws when
+  // there exists a 'removeListener' listener, but there exists
+  // no listeners for the provided event type.
+  assert.doesNotThrow(function () { ee.removeAllListeners(ee, 'foo') });
+}
+
+{
+  var ee = new events.EventEmitter();
+  var expectLength = 2;
+  ee.on('removeListener', function() {
+    assert.strictEqual(expectLength--, this.listeners('baz').length);
+  });
+  ee.on('baz', common.mustNotCall());
+  ee.on('baz', common.mustNotCall());
+  ee.on('baz', common.mustNotCall());
+  assert.strictEqual(ee.listeners('baz').length, expectLength + 1);
+  ee.removeAllListeners('baz');
+  assert.strictEqual(ee.listeners('baz').length, 0);
+}
+
+{
+  var ee = new events.EventEmitter();
+  assert.strictEqual(ee, ee.removeAllListeners());
+}
+
+{
+  var ee = new events.EventEmitter();
+  ee._events = undefined;
+  assert.strictEqual(ee, ee.removeAllListeners());
+}
diff --git a/node_modules/events/tests/remove-listeners.js b/node_modules/events/tests/remove-listeners.js
new file mode 100644
index 00000000..18e4d165
--- /dev/null
+++ b/node_modules/events/tests/remove-listeners.js
@@ -0,0 +1,212 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var assert = require('assert');
+var EventEmitter = require('../');
+
+var listener1 = function listener1() {};
+var listener2 = function listener2() {};
+
+{
+  var ee = new EventEmitter();
+  ee.on('hello', listener1);
+  ee.on('removeListener', common.mustCall(function(name, cb) {
+    assert.strictEqual(name, 'hello');
+    assert.strictEqual(cb, listener1);
+  }));
+  ee.removeListener('hello', listener1);
+  var listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+{
+  var ee = new EventEmitter();
+  ee.on('hello', listener1);
+  ee.on('removeListener', common.mustNotCall());
+  ee.removeListener('hello', listener2);
+
+  var listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener1);
+}
+
+{
+  var ee = new EventEmitter();
+  ee.on('hello', listener1);
+  ee.on('hello', listener2);
+
+  var listeners;
+  ee.once('removeListener', common.mustCall(function(name, cb) {
+    assert.strictEqual(name, 'hello');
+    assert.strictEqual(cb, listener1);
+    listeners = ee.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 1);
+    assert.strictEqual(listeners[0], listener2);
+  }));
+  ee.removeListener('hello', listener1);
+  listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 1);
+  assert.strictEqual(listeners[0], listener2);
+  ee.once('removeListener', common.mustCall(function(name, cb) {
+    assert.strictEqual(name, 'hello');
+    assert.strictEqual(cb, listener2);
+    listeners = ee.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 0);
+  }));
+  ee.removeListener('hello', listener2);
+  listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+{
+  var ee = new EventEmitter();
+
+  function remove1() {
+    assert.fail('remove1 should not have been called');
+  }
+
+  function remove2() {
+    assert.fail('remove2 should not have been called');
+  }
+
+  ee.on('removeListener', common.mustCall(function(name, cb) {
+    if (cb !== remove1) return;
+    this.removeListener('quux', remove2);
+    this.emit('quux');
+  }, 2));
+  ee.on('quux', remove1);
+  ee.on('quux', remove2);
+  ee.removeListener('quux', remove1);
+}
+
+{
+  var ee = new EventEmitter();
+  ee.on('hello', listener1);
+  ee.on('hello', listener2);
+
+  var listeners;
+  ee.once('removeListener', common.mustCall(function(name, cb) {
+    assert.strictEqual(name, 'hello');
+    assert.strictEqual(cb, listener1);
+    listeners = ee.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 1);
+    assert.strictEqual(listeners[0], listener2);
+    ee.once('removeListener', common.mustCall(function(name, cb) {
+      assert.strictEqual(name, 'hello');
+      assert.strictEqual(cb, listener2);
+      listeners = ee.listeners('hello');
+      assert.ok(Array.isArray(listeners));
+      assert.strictEqual(listeners.length, 0);
+    }));
+    ee.removeListener('hello', listener2);
+    listeners = ee.listeners('hello');
+    assert.ok(Array.isArray(listeners));
+    assert.strictEqual(listeners.length, 0);
+  }));
+  ee.removeListener('hello', listener1);
+  listeners = ee.listeners('hello');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 0);
+}
+
+{
+  var ee = new EventEmitter();
+  var listener3 = common.mustCall(function() {
+    ee.removeListener('hello', listener4);
+  }, 2);
+  var listener4 = common.mustCall();
+
+  ee.on('hello', listener3);
+  ee.on('hello', listener4);
+
+  // listener4 will still be called although it is removed by listener 3.
+  ee.emit('hello');
+  // This is so because the interal listener array at time of emit
+  // was [listener3,listener4]
+
+  // Interal listener array [listener3]
+  ee.emit('hello');
+}
+
+{
+  var ee = new EventEmitter();
+
+  ee.once('hello', listener1);
+  ee.on('removeListener', common.mustCall(function(eventName, listener) {
+    assert.strictEqual(eventName, 'hello');
+    assert.strictEqual(listener, listener1);
+  }));
+  ee.emit('hello');
+}
+
+{
+  var ee = new EventEmitter();
+
+  assert.strictEqual(ee, ee.removeListener('foo', function() {}));
+}
+
+// Verify that the removed listener must be a function
+assert.throws(function() {
+  var ee = new EventEmitter();
+
+  ee.removeListener('foo', null);
+}, /^TypeError: The "listener" argument must be of type Function\. Received type object$/);
+
+{
+  var ee = new EventEmitter();
+  var listener = function() {};
+  ee._events = undefined;
+  var e = ee.removeListener('foo', listener);
+  assert.strictEqual(e, ee);
+}
+
+{
+  var ee = new EventEmitter();
+
+  ee.on('foo', listener1);
+  ee.on('foo', listener2);
+  var listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 2);
+  assert.strictEqual(listeners[0], listener1);
+  assert.strictEqual(listeners[1], listener2);
+
+  ee.removeListener('foo', listener1);
+  assert.strictEqual(ee._events.foo, listener2);
+
+  ee.on('foo', listener1);
+  listeners = ee.listeners('foo');
+  assert.ok(Array.isArray(listeners));
+  assert.strictEqual(listeners.length, 2);
+  assert.strictEqual(listeners[0], listener2);
+  assert.strictEqual(listeners[1], listener1);
+
+  ee.removeListener('foo', listener1);
+  assert.strictEqual(ee._events.foo, listener2);
+}
diff --git a/node_modules/events/tests/set-max-listeners-side-effects.js b/node_modules/events/tests/set-max-listeners-side-effects.js
new file mode 100644
index 00000000..13dbb671
--- /dev/null
+++ b/node_modules/events/tests/set-max-listeners-side-effects.js
@@ -0,0 +1,31 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('./common');
+var assert = require('assert');
+var events = require('../');
+
+var e = new events.EventEmitter();
+
+if (Object.create) assert.ok(!(e._events instanceof Object));
+assert.strictEqual(Object.keys(e._events).length, 0);
+e.setMaxListeners(5);
+assert.strictEqual(Object.keys(e._events).length, 0);
diff --git a/node_modules/events/tests/special-event-names.js b/node_modules/events/tests/special-event-names.js
new file mode 100644
index 00000000..a2f0b744
--- /dev/null
+++ b/node_modules/events/tests/special-event-names.js
@@ -0,0 +1,45 @@
+'use strict';
+
+var common = require('./common');
+var EventEmitter = require('../');
+var assert = require('assert');
+
+var ee = new EventEmitter();
+var handler = function() {};
+
+assert.strictEqual(ee.eventNames().length, 0);
+
+assert.strictEqual(ee._events.hasOwnProperty, undefined);
+assert.strictEqual(ee._events.toString, undefined);
+
+ee.on('__defineGetter__', handler);
+ee.on('toString', handler);
+ee.on('__proto__', handler);
+
+assert.strictEqual(ee.eventNames()[0], '__defineGetter__');
+assert.strictEqual(ee.eventNames()[1], 'toString');
+
+assert.strictEqual(ee.listeners('__defineGetter__').length, 1);
+assert.strictEqual(ee.listeners('__defineGetter__')[0], handler);
+assert.strictEqual(ee.listeners('toString').length, 1);
+assert.strictEqual(ee.listeners('toString')[0], handler);
+
+// Only run __proto__ tests if that property can actually be set
+if ({ __proto__: 'ok' }.__proto__ === 'ok') {
+  assert.strictEqual(ee.eventNames().length, 3);
+  assert.strictEqual(ee.eventNames()[2], '__proto__');
+  assert.strictEqual(ee.listeners('__proto__').length, 1);
+  assert.strictEqual(ee.listeners('__proto__')[0], handler);
+
+  ee.on('__proto__', common.mustCall(function(val) {
+    assert.strictEqual(val, 1);
+  }));
+  ee.emit('__proto__', 1);
+
+  process.on('__proto__', common.mustCall(function(val) {
+    assert.strictEqual(val, 1);
+  }));
+  process.emit('__proto__', 1);
+} else {
+  console.log('# skipped __proto__')
+}
diff --git a/node_modules/events/tests/subclass.js b/node_modules/events/tests/subclass.js
new file mode 100644
index 00000000..bd033fff
--- /dev/null
+++ b/node_modules/events/tests/subclass.js
@@ -0,0 +1,66 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('./common');
+var test = require('tape');
+var assert = require('assert');
+var EventEmitter = require('../').EventEmitter;
+var util = require('util');
+
+util.inherits(MyEE, EventEmitter);
+
+function MyEE(cb) {
+  this.once(1, cb);
+  this.emit(1);
+  this.removeAllListeners();
+  EventEmitter.call(this);
+}
+
+var myee = new MyEE(common.mustCall());
+
+
+util.inherits(ErrorEE, EventEmitter);
+function ErrorEE() {
+  this.emit('error', new Error('blerg'));
+}
+
+assert.throws(function() {
+  new ErrorEE();
+}, /blerg/);
+
+test.onFinish(function() {
+  assert.ok(!(myee._events instanceof Object));
+  assert.strictEqual(Object.keys(myee._events).length, 0);
+});
+
+
+function MyEE2() {
+  EventEmitter.call(this);
+}
+
+MyEE2.prototype = new EventEmitter();
+
+var ee1 = new MyEE2();
+var ee2 = new MyEE2();
+
+ee1.on('x', function() {});
+
+assert.strictEqual(ee2.listenerCount('x'), 0);
diff --git a/node_modules/events/tests/symbols.js b/node_modules/events/tests/symbols.js
new file mode 100644
index 00000000..0721f0ec
--- /dev/null
+++ b/node_modules/events/tests/symbols.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var common = require('./common');
+var EventEmitter = require('../');
+var assert = require('assert');
+
+var ee = new EventEmitter();
+var foo = Symbol('foo');
+var listener = common.mustCall();
+
+ee.on(foo, listener);
+assert.strictEqual(ee.listeners(foo).length, 1);
+assert.strictEqual(ee.listeners(foo)[0], listener);
+
+ee.emit(foo);
+
+ee.removeAllListeners();
+assert.strictEqual(ee.listeners(foo).length, 0);
+
+ee.on(foo, listener);
+assert.strictEqual(ee.listeners(foo).length, 1);
+assert.strictEqual(ee.listeners(foo)[0], listener);
+
+ee.removeListener(foo, listener);
+assert.strictEqual(ee.listeners(foo).length, 0);
diff --git a/node_modules/evp_bytestokey/LICENSE b/node_modules/evp_bytestokey/LICENSE
new file mode 100644
index 00000000..f06007ae
--- /dev/null
+++ b/node_modules/evp_bytestokey/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 crypto-browserify contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/evp_bytestokey/README.md b/node_modules/evp_bytestokey/README.md
new file mode 100644
index 00000000..36da2382
--- /dev/null
+++ b/node_modules/evp_bytestokey/README.md
@@ -0,0 +1,51 @@
+# EVP\_BytesToKey
+[![NPM Package](https://img.shields.io/npm/v/evp_bytestokey.svg?style=flat-square)](https://www.npmjs.org/package/evp_bytestokey)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/EVP_BytesToKey.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/EVP_BytesToKey)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/EVP_BytesToKey.svg?style=flat-square)](https://david-dm.org/crypto-browserify/EVP_BytesToKey#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+The insecure [key derivation algorithm from OpenSSL.][1]
+
+**WARNING: DO NOT USE, except for compatibility reasons.**
+
+MD5 is insecure.
+
+Use at least `scrypt` or `pbkdf2-hmac-sha256` instead.
+
+
+## API
+`EVP_BytesToKey(password, salt, keyLen, ivLen)`
+
+* `password` - `Buffer`, password used to derive the key data.
+* `salt` - 8 byte `Buffer` or `null`, salt is used as a salt in the derivation.
+* `keyBits` - `number`, key length in **bits**.
+* `ivLen` - `number`, iv length in bytes.
+
+*Returns*: `{ key: Buffer, iv: Buffer }`
+
+
+## Examples
+MD5 with `aes-256-cbc`:
+
+```js
+const crypto = require('crypto')
+const EVP_BytesToKey = require('evp_bytestokey')
+
+const result = EVP_BytesToKey(
+  'my-secret-password',
+  null,
+  32,
+  16
+)
+// =>
+// { key: <Buffer e3 4f 96 f3 86 24 82 7c c2 5d ff 23 18 6f 77 72 54 45 7f 49 d4 be 4b dd 4f 6e 1b cc 92 a4 27 33>,
+//   iv: <Buffer 85 71 9a bf ae f4 1e 74 dd 46 b6 13 79 56 f5 5b> }
+
+const cipher = crypto.createCipheriv('aes-256-cbc', result.key, result.iv)
+```
+
+## LICENSE [MIT](LICENSE)
+
+[1]: https://wiki.openssl.org/index.php/Manual:EVP_BytesToKey(3)
+[2]: https://nodejs.org/api/crypto.html#crypto_class_hash
diff --git a/node_modules/evp_bytestokey/index.js b/node_modules/evp_bytestokey/index.js
new file mode 100644
index 00000000..f9d4757d
--- /dev/null
+++ b/node_modules/evp_bytestokey/index.js
@@ -0,0 +1,45 @@
+var Buffer = require('safe-buffer').Buffer
+var MD5 = require('md5.js')
+
+/* eslint-disable camelcase */
+function EVP_BytesToKey (password, salt, keyBits, ivLen) {
+  if (!Buffer.isBuffer(password)) password = Buffer.from(password, 'binary')
+  if (salt) {
+    if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, 'binary')
+    if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length')
+  }
+
+  var keyLen = keyBits / 8
+  var key = Buffer.alloc(keyLen)
+  var iv = Buffer.alloc(ivLen || 0)
+  var tmp = Buffer.alloc(0)
+
+  while (keyLen > 0 || ivLen > 0) {
+    var hash = new MD5()
+    hash.update(tmp)
+    hash.update(password)
+    if (salt) hash.update(salt)
+    tmp = hash.digest()
+
+    var used = 0
+
+    if (keyLen > 0) {
+      var keyStart = key.length - keyLen
+      used = Math.min(keyLen, tmp.length)
+      tmp.copy(key, keyStart, 0, used)
+      keyLen -= used
+    }
+
+    if (used < tmp.length && ivLen > 0) {
+      var ivStart = iv.length - ivLen
+      var length = Math.min(ivLen, tmp.length - used)
+      tmp.copy(iv, ivStart, used, used + length)
+      ivLen -= length
+    }
+  }
+
+  tmp.fill(0)
+  return { key: key, iv: iv }
+}
+
+module.exports = EVP_BytesToKey
diff --git a/node_modules/evp_bytestokey/package.json b/node_modules/evp_bytestokey/package.json
new file mode 100644
index 00000000..517891ad
--- /dev/null
+++ b/node_modules/evp_bytestokey/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "evp_bytestokey",
+  "version": "1.0.3",
+  "description": "The insecure key derivation algorithm from OpenSSL",
+  "keywords": [
+    "crypto",
+    "openssl"
+  ],
+  "homepage": "https://github.com/crypto-browserify/EVP_BytesToKey",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/EVP_BytesToKey/issues"
+  },
+  "license": "MIT",
+  "author": "Calvin Metcalf <calvin.metcalf@gmail.com>",
+  "contributors": [
+    "Kirill Fomichev <fanatid@ya.ru>"
+  ],
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/EVP_BytesToKey.git"
+  },
+  "scripts": {
+    "coverage": "nyc tape test/*.js",
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "test:prepare": "node-gyp rebuild",
+    "unit": "tape test/*.js"
+  },
+  "devDependencies": {
+    "bindings": "^1.2.1",
+    "nan": "^2.4.0",
+    "nyc": "^8.1.0",
+    "standard": "^8.0.0",
+    "tape": "^4.6.0"
+  },
+  "gypfile": false,
+  "dependencies": {
+    "md5.js": "^1.3.4",
+    "safe-buffer": "^5.1.1"
+  }
+}
diff --git a/node_modules/expand-brackets/LICENSE b/node_modules/expand-brackets/LICENSE
new file mode 100644
index 00000000..65251717
--- /dev/null
+++ b/node_modules/expand-brackets/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/expand-brackets/README.md b/node_modules/expand-brackets/README.md
new file mode 100644
index 00000000..c0e33d08
--- /dev/null
+++ b/node_modules/expand-brackets/README.md
@@ -0,0 +1,302 @@
+# expand-brackets [![NPM version](https://img.shields.io/npm/v/expand-brackets.svg?style=flat)](https://www.npmjs.com/package/expand-brackets) [![NPM monthly downloads](https://img.shields.io/npm/dm/expand-brackets.svg?style=flat)](https://npmjs.org/package/expand-brackets)  [![NPM total downloads](https://img.shields.io/npm/dt/expand-brackets.svg?style=flat)](https://npmjs.org/package/expand-brackets) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/expand-brackets.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/expand-brackets) [![Windows Build Status](https://img.shields.io/appveyor/ci/jonschlinkert/expand-brackets.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/jonschlinkert/expand-brackets)
+
+> Expand POSIX bracket expressions (character classes) in glob patterns.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save expand-brackets
+```
+
+## Usage
+
+```js
+var brackets = require('expand-brackets');
+brackets(string[, options]);
+```
+
+**Params**
+
+The main export is a function that takes the following parameters:
+
+* `pattern` **{String}**: the pattern to convert
+* `options` **{Object}**: optionally supply an options object
+* `returns` **{String}**: returns a string that can be used to create a regex
+
+**Example**
+
+```js
+console.log(brackets('[![:lower:]]'));
+//=> '[^a-z]'
+```
+
+## API
+
+### [brackets](index.js#L29)
+
+Parses the given POSIX character class `pattern` and returns a
+string that can be used for creating regular expressions for matching.
+
+**Params**
+
+* `pattern` **{String}**
+* `options` **{Object}**
+* `returns` **{Object}**
+
+### [.match](index.js#L54)
+
+Takes an array of strings and a POSIX character class pattern, and returns a new array with only the strings that matched the pattern.
+
+**Example**
+
+```js
+var brackets = require('expand-brackets');
+console.log(brackets.match(['1', 'a', 'ab'], '[[:alpha:]]'));
+//=> ['a']
+
+console.log(brackets.match(['1', 'a', 'ab'], '[[:alpha:]]+'));
+//=> ['a', 'ab']
+```
+
+**Params**
+
+* `arr` **{Array}**: Array of strings to match
+* `pattern` **{String}**: POSIX character class pattern(s)
+* `options` **{Object}**
+* `returns` **{Array}**
+
+### [.isMatch](index.js#L100)
+
+Returns true if the specified `string` matches the given brackets `pattern`.
+
+**Example**
+
+```js
+var brackets = require('expand-brackets');
+
+console.log(brackets.isMatch('a.a', '[[:alpha:]].[[:alpha:]]'));
+//=> true
+console.log(brackets.isMatch('1.2', '[[:alpha:]].[[:alpha:]]'));
+//=> false
+```
+
+**Params**
+
+* `string` **{String}**: String to match
+* `pattern` **{String}**: Poxis pattern
+* `options` **{String}**
+* `returns` **{Boolean}**
+
+### [.matcher](index.js#L123)
+
+Takes a POSIX character class pattern and returns a matcher function. The returned function takes the string to match as its only argument.
+
+**Example**
+
+```js
+var brackets = require('expand-brackets');
+var isMatch = brackets.matcher('[[:lower:]].[[:upper:]]');
+
+console.log(isMatch('a.a'));
+//=> false
+console.log(isMatch('a.A'));
+//=> true
+```
+
+**Params**
+
+* `pattern` **{String}**: Poxis pattern
+* `options` **{String}**
+* `returns` **{Boolean}**
+
+### [.makeRe](index.js#L145)
+
+Create a regular expression from the given `pattern`.
+
+**Example**
+
+```js
+var brackets = require('expand-brackets');
+var re = brackets.makeRe('[[:alpha:]]');
+console.log(re);
+//=> /^(?:[a-zA-Z])$/
+```
+
+**Params**
+
+* `pattern` **{String}**: The pattern to convert to regex.
+* `options` **{Object}**
+* `returns` **{RegExp}**
+
+### [.create](index.js#L187)
+
+Parses the given POSIX character class `pattern` and returns an object with the compiled `output` and optional source `map`.
+
+**Example**
+
+```js
+var brackets = require('expand-brackets');
+console.log(brackets('[[:alpha:]]'));
+// { options: { source: 'string' },
+//   input: '[[:alpha:]]',
+//   state: {},
+//   compilers:
+//    { eos: [Function],
+//      noop: [Function],
+//      bos: [Function],
+//      not: [Function],
+//      escape: [Function],
+//      text: [Function],
+//      posix: [Function],
+//      bracket: [Function],
+//      'bracket.open': [Function],
+//      'bracket.inner': [Function],
+//      'bracket.literal': [Function],
+//      'bracket.close': [Function] },
+//   output: '[a-zA-Z]',
+//   ast:
+//    { type: 'root',
+//      errors: [],
+//      nodes: [ [Object], [Object], [Object] ] },
+//   parsingErrors: [] }
+```
+
+**Params**
+
+* `pattern` **{String}**
+* `options` **{Object}**
+* `returns` **{Object}**
+
+## Options
+
+### options.sourcemap
+
+Generate a source map for the given pattern.
+
+**Example**
+
+```js
+var res = brackets('[:alpha:]', {sourcemap: true});
+
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'brackets' ],
+//   names: [],
+//   mappings: 'AAAA,MAAS',
+//   sourcesContent: [ '[:alpha:]' ] }
+```
+
+### POSIX Character classes
+
+The following named POSIX bracket expressions are supported:
+
+* `[:alnum:]`: Alphanumeric characters (`a-zA-Z0-9]`)
+* `[:alpha:]`: Alphabetic characters (`a-zA-Z]`)
+* `[:blank:]`: Space and tab (`[ t]`)
+* `[:digit:]`: Digits (`[0-9]`)
+* `[:lower:]`: Lowercase letters (`[a-z]`)
+* `[:punct:]`: Punctuation and symbols. (`[!"#$%&'()*+, -./:;<=>?@ [\]^_``{|}~]`)
+* `[:upper:]`: Uppercase letters (`[A-Z]`)
+* `[:word:]`: Word characters (letters, numbers and underscores) (`[A-Za-z0-9_]`)
+* `[:xdigit:]`: Hexadecimal digits (`[A-Fa-f0-9]`)
+
+See [posix-character-classes](https://github.com/jonschlinkert/posix-character-classes) for more details.
+
+**Not supported**
+
+* [equivalence classes](https://www.gnu.org/software/gawk/manual/html_node/Bracket-Expressions.html) are not supported
+* [POSIX.2 collating symbols](https://www.gnu.org/software/gawk/manual/html_node/Bracket-Expressions.html) are not supported
+
+## Changelog
+
+### v2.0.0
+
+**Breaking changes**
+
+* The main export now returns the compiled string, instead of the object returned from the compiler
+
+**Added features**
+
+* Adds a `.create` method to do what the main function did before v2.0.0
+
+### v0.2.0
+
+In addition to performance and matching improvements, the v0.2.0 refactor adds complete POSIX character class support, with the exception of equivalence classes and POSIX.2 collating symbols which are not relevant to node.js usage.
+
+**Added features**
+
+* parser is exposed, so that expand-brackets parsers can be used by upstream parsers (like [micromatch](https://github.com/jonschlinkert/micromatch))
+* compiler is exposed, so that expand-brackets compilers can be used by upstream compilers
+* source maps
+
+**source map example**
+
+```js
+var brackets = require('expand-brackets');
+var res = brackets('[:alpha:]');
+console.log(res.map);
+
+{ version: 3,
+     sources: [ 'brackets' ],
+     names: [],
+     mappings: 'AAAA,MAAS',
+     sourcesContent: [ '[:alpha:]' ] }
+```
+
+## About
+
+### Related projects
+
+* [braces](https://www.npmjs.com/package/braces): Fast, comprehensive, bash-like brace expansion implemented in JavaScript. Complete support for the Bash 4.3 braces… [more](https://github.com/jonschlinkert/braces) | [homepage](https://github.com/jonschlinkert/braces "Fast, comprehensive, bash-like brace expansion implemented in JavaScript. Complete support for the Bash 4.3 braces specification, without sacrificing speed.")
+* [extglob](https://www.npmjs.com/package/extglob): Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob… [more](https://github.com/jonschlinkert/extglob) | [homepage](https://github.com/jonschlinkert/extglob "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+* [nanomatch](https://www.npmjs.com/package/nanomatch): Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash… [more](https://github.com/jonschlinkert/nanomatch) | [homepage](https://github.com/jonschlinkert/nanomatch "Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor**<br/> | 
+| --- | --- |
+| 66 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [MartinKolarik](https://github.com/MartinKolarik) |
+| 2 | [es128](https://github.com/es128) |
+| 1 | [eush77](https://github.com/eush77) |
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/expand-brackets/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.2.0, on December 12, 2016._
\ No newline at end of file
diff --git a/node_modules/expand-brackets/changelog.md b/node_modules/expand-brackets/changelog.md
new file mode 100644
index 00000000..0c0723ab
--- /dev/null
+++ b/node_modules/expand-brackets/changelog.md
@@ -0,0 +1,35 @@
+## Changelog
+
+### v2.0.0
+
+**Breaking changes**
+
+- The main export now returns the compiled string, instead of the object returned from the compiler
+
+**Added features**
+
+- Adds a `.create` method to do what the main function did before v2.0.0
+
+### v0.2.0
+
+In addition to performance and matching improvements, the v0.2.0 refactor adds complete POSIX character class support, with the exception of equivalence classes and POSIX.2 collating symbols which are not relevant to node.js usage.
+
+**Added features**
+
+- parser is exposed, so that expand-brackets parsers can be used by upstream parsers (like [micromatch][])
+- compiler is exposed, so that expand-brackets compilers can be used by upstream compilers
+- source maps
+
+**source map example**
+
+```js
+var brackets = require('expand-brackets');
+var res = brackets('[:alpha:]');
+console.log(res.map);
+
+{ version: 3,
+     sources: [ 'brackets' ],
+     names: [],
+     mappings: 'AAAA,MAAS',
+     sourcesContent: [ '[:alpha:]' ] }
+```
diff --git a/node_modules/expand-brackets/index.js b/node_modules/expand-brackets/index.js
new file mode 100644
index 00000000..74b8b155
--- /dev/null
+++ b/node_modules/expand-brackets/index.js
@@ -0,0 +1,211 @@
+'use strict';
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+
+/**
+ * Module dependencies
+ */
+
+var debug = require('debug')('expand-brackets');
+var extend = require('extend-shallow');
+var Snapdragon = require('snapdragon');
+var toRegex = require('to-regex');
+
+/**
+ * Parses the given POSIX character class `pattern` and returns a
+ * string that can be used for creating regular expressions for matching.
+ *
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {Object}
+ * @api public
+ */
+
+function brackets(pattern, options) {
+  debug('initializing from <%s>', __filename);
+  var res = brackets.create(pattern, options);
+  return res.output;
+}
+
+/**
+ * Takes an array of strings and a POSIX character class pattern, and returns a new
+ * array with only the strings that matched the pattern.
+ *
+ * ```js
+ * var brackets = require('expand-brackets');
+ * console.log(brackets.match(['1', 'a', 'ab'], '[[:alpha:]]'));
+ * //=> ['a']
+ *
+ * console.log(brackets.match(['1', 'a', 'ab'], '[[:alpha:]]+'));
+ * //=> ['a', 'ab']
+ * ```
+ * @param {Array} `arr` Array of strings to match
+ * @param {String} `pattern` POSIX character class pattern(s)
+ * @param {Object} `options`
+ * @return {Array}
+ * @api public
+ */
+
+brackets.match = function(arr, pattern, options) {
+  arr = [].concat(arr);
+  var opts = extend({}, options);
+  var isMatch = brackets.matcher(pattern, opts);
+  var len = arr.length;
+  var idx = -1;
+  var res = [];
+
+  while (++idx < len) {
+    var ele = arr[idx];
+    if (isMatch(ele)) {
+      res.push(ele);
+    }
+  }
+
+  if (res.length === 0) {
+    if (opts.failglob === true) {
+      throw new Error('no matches found for "' + pattern + '"');
+    }
+
+    if (opts.nonull === true || opts.nullglob === true) {
+      return [pattern.split('\\').join('')];
+    }
+  }
+  return res;
+};
+
+/**
+ * Returns true if the specified `string` matches the given
+ * brackets `pattern`.
+ *
+ * ```js
+ * var brackets = require('expand-brackets');
+ *
+ * console.log(brackets.isMatch('a.a', '[[:alpha:]].[[:alpha:]]'));
+ * //=> true
+ * console.log(brackets.isMatch('1.2', '[[:alpha:]].[[:alpha:]]'));
+ * //=> false
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Poxis pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+brackets.isMatch = function(str, pattern, options) {
+  return brackets.matcher(pattern, options)(str);
+};
+
+/**
+ * Takes a POSIX character class pattern and returns a matcher function. The returned
+ * function takes the string to match as its only argument.
+ *
+ * ```js
+ * var brackets = require('expand-brackets');
+ * var isMatch = brackets.matcher('[[:lower:]].[[:upper:]]');
+ *
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.A'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Poxis pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+brackets.matcher = function(pattern, options) {
+  var re = brackets.makeRe(pattern, options);
+  return function(str) {
+    return re.test(str);
+  };
+};
+
+/**
+ * Create a regular expression from the given `pattern`.
+ *
+ * ```js
+ * var brackets = require('expand-brackets');
+ * var re = brackets.makeRe('[[:alpha:]]');
+ * console.log(re);
+ * //=> /^(?:[a-zA-Z])$/
+ * ```
+ * @param {String} `pattern` The pattern to convert to regex.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+brackets.makeRe = function(pattern, options) {
+  var res = brackets.create(pattern, options);
+  var opts = extend({strictErrors: false}, options);
+  return toRegex(res.output, opts);
+};
+
+/**
+ * Parses the given POSIX character class `pattern` and returns an object
+ * with the compiled `output` and optional source `map`.
+ *
+ * ```js
+ * var brackets = require('expand-brackets');
+ * console.log(brackets('[[:alpha:]]'));
+ * // { options: { source: 'string' },
+ * //   input: '[[:alpha:]]',
+ * //   state: {},
+ * //   compilers:
+ * //    { eos: [Function],
+ * //      noop: [Function],
+ * //      bos: [Function],
+ * //      not: [Function],
+ * //      escape: [Function],
+ * //      text: [Function],
+ * //      posix: [Function],
+ * //      bracket: [Function],
+ * //      'bracket.open': [Function],
+ * //      'bracket.inner': [Function],
+ * //      'bracket.literal': [Function],
+ * //      'bracket.close': [Function] },
+ * //   output: '[a-zA-Z]',
+ * //   ast:
+ * //    { type: 'root',
+ * //      errors: [],
+ * //      nodes: [ [Object], [Object], [Object] ] },
+ * //   parsingErrors: [] }
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {Object}
+ * @api public
+ */
+
+brackets.create = function(pattern, options) {
+  var snapdragon = (options && options.snapdragon) || new Snapdragon(options);
+  compilers(snapdragon);
+  parsers(snapdragon);
+
+  var ast = snapdragon.parse(pattern, options);
+  ast.input = pattern;
+  var res = snapdragon.compile(ast, options);
+  res.input = pattern;
+  return res;
+};
+
+/**
+ * Expose `brackets` constructor, parsers and compilers
+ */
+
+brackets.compilers = compilers;
+brackets.parsers = parsers;
+
+/**
+ * Expose `brackets`
+ * @type {Function}
+ */
+
+module.exports = brackets;
diff --git a/node_modules/expand-brackets/lib/compilers.js b/node_modules/expand-brackets/lib/compilers.js
new file mode 100644
index 00000000..fbf7fe81
--- /dev/null
+++ b/node_modules/expand-brackets/lib/compilers.js
@@ -0,0 +1,87 @@
+'use strict';
+
+var posix = require('posix-character-classes');
+
+module.exports = function(brackets) {
+  brackets.compiler
+
+    /**
+     * Escaped characters
+     */
+
+    .set('escape', function(node) {
+      return this.emit('\\' + node.val.replace(/^\\/, ''), node);
+    })
+
+    /**
+     * Text
+     */
+
+    .set('text', function(node) {
+      return this.emit(node.val.replace(/([{}])/g, '\\$1'), node);
+    })
+
+    /**
+     * POSIX character classes
+     */
+
+    .set('posix', function(node) {
+      if (node.val === '[::]') {
+        return this.emit('\\[::\\]', node);
+      }
+
+      var val = posix[node.inner];
+      if (typeof val === 'undefined') {
+        val = '[' + node.inner + ']';
+      }
+      return this.emit(val, node);
+    })
+
+    /**
+     * Non-posix brackets
+     */
+
+    .set('bracket', function(node) {
+      return this.mapVisit(node.nodes);
+    })
+    .set('bracket.open', function(node) {
+      return this.emit(node.val, node);
+    })
+    .set('bracket.inner', function(node) {
+      var inner = node.val;
+
+      if (inner === '[' || inner === ']') {
+        return this.emit('\\' + node.val, node);
+      }
+      if (inner === '^]') {
+        return this.emit('^\\]', node);
+      }
+      if (inner === '^') {
+        return this.emit('^', node);
+      }
+
+      if (/-/.test(inner) && !/(\d-\d|\w-\w)/.test(inner)) {
+        inner = inner.split('-').join('\\-');
+      }
+
+      var isNegated = inner.charAt(0) === '^';
+      // add slashes to negated brackets, per spec
+      if (isNegated && inner.indexOf('/') === -1) {
+        inner += '/';
+      }
+      if (isNegated && inner.indexOf('.') === -1) {
+        inner += '.';
+      }
+
+      // don't unescape `0` (octal literal)
+      inner = inner.replace(/\\([1-9])/g, '$1');
+      return this.emit(inner, node);
+    })
+    .set('bracket.close', function(node) {
+      var val = node.val.replace(/^\\/, '');
+      if (node.parent.escaped === true) {
+        return this.emit('\\' + val, node);
+      }
+      return this.emit(val, node);
+    });
+};
diff --git a/node_modules/expand-brackets/lib/parsers.js b/node_modules/expand-brackets/lib/parsers.js
new file mode 100644
index 00000000..450a512e
--- /dev/null
+++ b/node_modules/expand-brackets/lib/parsers.js
@@ -0,0 +1,219 @@
+'use strict';
+
+var utils = require('./utils');
+var define = require('define-property');
+
+/**
+ * Text regex
+ */
+
+var TEXT_REGEX = '(\\[(?=.*\\])|\\])+';
+var not = utils.createRegex(TEXT_REGEX);
+
+/**
+ * Brackets parsers
+ */
+
+function parsers(brackets) {
+  brackets.state = brackets.state || {};
+  brackets.parser.sets.bracket = brackets.parser.sets.bracket || [];
+  brackets.parser
+
+    .capture('escape', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(/^\\(.)/);
+      if (!m) return;
+
+      return pos({
+        type: 'escape',
+        val: m[0]
+      });
+    })
+
+    /**
+     * Text parser
+     */
+
+    .capture('text', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(not);
+      if (!m || !m[0]) return;
+
+      return pos({
+        type: 'text',
+        val: m[0]
+      });
+    })
+
+    /**
+     * POSIX character classes: "[[:alpha:][:digits:]]"
+     */
+
+    .capture('posix', function() {
+      var pos = this.position();
+      var m = this.match(/^\[:(.*?):\](?=.*\])/);
+      if (!m) return;
+
+      var inside = this.isInside('bracket');
+      if (inside) {
+        brackets.posix++;
+      }
+
+      return pos({
+        type: 'posix',
+        insideBracket: inside,
+        inner: m[1],
+        val: m[0]
+      });
+    })
+
+    /**
+     * Bracket (noop)
+     */
+
+    .capture('bracket', function() {})
+
+    /**
+     * Open: '['
+     */
+
+    .capture('bracket.open', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\[(?=.*\])/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var last = utils.last(prev.nodes);
+
+      if (parsed.slice(-1) === '\\' && !this.isInside('bracket')) {
+        last.val = last.val.slice(0, last.val.length - 1);
+        return pos({
+          type: 'escape',
+          val: m[0]
+        });
+      }
+
+      var open = pos({
+        type: 'bracket.open',
+        val: m[0]
+      });
+
+      if (last.type === 'bracket.open' || this.isInside('bracket')) {
+        open.val = '\\' + open.val;
+        open.type = 'bracket.inner';
+        open.escaped = true;
+        return open;
+      }
+
+      var node = pos({
+        type: 'bracket',
+        nodes: [open]
+      });
+
+      define(node, 'parent', prev);
+      define(open, 'parent', node);
+      this.push('bracket', node);
+      prev.nodes.push(node);
+    })
+
+    /**
+     * Bracket text
+     */
+
+    .capture('bracket.inner', function() {
+      if (!this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(not);
+      if (!m || !m[0]) return;
+
+      var next = this.input.charAt(0);
+      var val = m[0];
+
+      var node = pos({
+        type: 'bracket.inner',
+        val: val
+      });
+
+      if (val === '\\\\') {
+        return node;
+      }
+
+      var first = val.charAt(0);
+      var last = val.slice(-1);
+
+      if (first === '!') {
+        val = '^' + val.slice(1);
+      }
+
+      if (last === '\\' || (val === '^' && next === ']')) {
+        val += this.input[0];
+        this.consume(1);
+      }
+
+      node.val = val;
+      return node;
+    })
+
+    /**
+     * Close: ']'
+     */
+
+    .capture('bracket.close', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\]/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var last = utils.last(prev.nodes);
+
+      if (parsed.slice(-1) === '\\' && !this.isInside('bracket')) {
+        last.val = last.val.slice(0, last.val.length - 1);
+
+        return pos({
+          type: 'escape',
+          val: m[0]
+        });
+      }
+
+      var node = pos({
+        type: 'bracket.close',
+        rest: this.input,
+        val: m[0]
+      });
+
+      if (last.type === 'bracket.open') {
+        node.type = 'bracket.inner';
+        node.escaped = true;
+        return node;
+      }
+
+      var bracket = this.pop('bracket');
+      if (!this.isType(bracket, 'bracket')) {
+        if (this.options.strict) {
+          throw new Error('missing opening "["');
+        }
+        node.type = 'bracket.inner';
+        node.escaped = true;
+        return node;
+      }
+
+      bracket.nodes.push(node);
+      define(node, 'parent', bracket);
+    });
+}
+
+/**
+ * Brackets parsers
+ */
+
+module.exports = parsers;
+
+/**
+ * Expose text regex
+ */
+
+module.exports.TEXT_REGEX = TEXT_REGEX;
diff --git a/node_modules/expand-brackets/lib/utils.js b/node_modules/expand-brackets/lib/utils.js
new file mode 100644
index 00000000..599ff512
--- /dev/null
+++ b/node_modules/expand-brackets/lib/utils.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var toRegex = require('to-regex');
+var regexNot = require('regex-not');
+var cached;
+
+/**
+ * Get the last element from `array`
+ * @param {Array} `array`
+ * @return {*}
+ */
+
+exports.last = function(arr) {
+  return arr[arr.length - 1];
+};
+
+/**
+ * Create and cache regex to use for text nodes
+ */
+
+exports.createRegex = function(pattern, include) {
+  if (cached) return cached;
+  var opts = {contains: true, strictClose: false};
+  var not = regexNot.create(pattern, opts);
+  var re;
+
+  if (typeof include === 'string') {
+    re = toRegex('^(?:' + include + '|' + not + ')', opts);
+  } else {
+    re = toRegex(not, opts);
+  }
+
+  return (cached = re);
+};
diff --git a/node_modules/expand-brackets/node_modules/define-property/LICENSE b/node_modules/expand-brackets/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/expand-brackets/node_modules/define-property/README.md b/node_modules/expand-brackets/node_modules/define-property/README.md
new file mode 100644
index 00000000..8cac698a
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/define-property/README.md
@@ -0,0 +1,77 @@
+# define-property [![NPM version](https://badge.fury.io/js/define-property.svg)](http://badge.fury.io/js/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i define-property --save
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## Related projects
+
+* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
+* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-object)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 31, 2015._
diff --git a/node_modules/expand-brackets/node_modules/define-property/index.js b/node_modules/expand-brackets/node_modules/define-property/index.js
new file mode 100644
index 00000000..3e0e5e13
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/expand-brackets/node_modules/define-property/package.json b/node_modules/expand-brackets/node_modules/define-property/package.json
new file mode 100644
index 00000000..43561bf5
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/define-property/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "0.2.5",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "mixin-deep",
+        "mixin-object",
+        "delegate-object",
+        "forward-object"
+      ]
+    }
+  },
+  "dependencies": {
+    "is-descriptor": "^0.1.0"
+  }
+}
diff --git a/node_modules/expand-brackets/node_modules/extend-shallow/LICENSE b/node_modules/expand-brackets/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/expand-brackets/node_modules/extend-shallow/README.md b/node_modules/expand-brackets/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/expand-brackets/node_modules/extend-shallow/index.js b/node_modules/expand-brackets/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/expand-brackets/node_modules/extend-shallow/package.json b/node_modules/expand-brackets/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/.editorconfig b/node_modules/expand-brackets/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/.eslintrc b/node_modules/expand-brackets/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/.gitattributes b/node_modules/expand-brackets/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/expand-brackets/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/.nycrc b/node_modules/expand-brackets/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/CHANGELOG.md b/node_modules/expand-brackets/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..4963353e
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,144 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.7...v1.0.0) - 2017-02-25
+
+## [v0.1.7](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v0.1.7) - 2023-10-26
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- v0.x line: v1 and v0 are the same, so, branch v0 from 1.x [`91be723`](https://github.com/inspect-js/is-descriptor/commit/91be72399c3066950d2414a6d2f091e1074625cd)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/LICENSE b/node_modules/expand-brackets/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/README.md b/node_modules/expand-brackets/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/index.js b/node_modules/expand-brackets/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/package.json b/node_modules/expand-brackets/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..6d6ca8ba
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "0.1.7",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/expand-brackets/node_modules/is-descriptor/test/index.js b/node_modules/expand-brackets/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/expand-brackets/node_modules/is-extendable/LICENSE b/node_modules/expand-brackets/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/expand-brackets/node_modules/is-extendable/README.md b/node_modules/expand-brackets/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/expand-brackets/node_modules/is-extendable/index.js b/node_modules/expand-brackets/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/expand-brackets/node_modules/is-extendable/package.json b/node_modules/expand-brackets/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/expand-brackets/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/expand-brackets/package.json b/node_modules/expand-brackets/package.json
new file mode 100644
index 00000000..1c5233cf
--- /dev/null
+++ b/node_modules/expand-brackets/package.json
@@ -0,0 +1,85 @@
+{
+  "name": "expand-brackets",
+  "description": "Expand POSIX bracket expressions (character classes) in glob patterns.",
+  "version": "2.1.4",
+  "homepage": "https://github.com/jonschlinkert/expand-brackets",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Elan Shanker (https://github.com/es128)",
+    "Eugene Sharygin (https://github.com/eush77)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)",
+    "Martin Kolárik <martin@kolarik.sk> (http://kolarik.sk)"
+  ],
+  "repository": "jonschlinkert/expand-brackets",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/expand-brackets/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "debug": "^2.3.3",
+    "define-property": "^0.2.5",
+    "extend-shallow": "^2.0.1",
+    "posix-character-classes": "^0.1.0",
+    "regex-not": "^1.0.0",
+    "snapdragon": "^0.8.1",
+    "to-regex": "^3.0.1"
+  },
+  "devDependencies": {
+    "bash-match": "^0.1.1",
+    "gulp-format-md": "^0.1.10",
+    "helper-changelog": "^0.3.0",
+    "minimatch": "^3.0.3",
+    "mocha": "^3.0.2",
+    "multimatch": "^2.1.0",
+    "yargs-parser": "^4.0.0"
+  },
+  "keywords": [
+    "bracket",
+    "brackets",
+    "character class",
+    "expand",
+    "expression",
+    "posix"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "helpers": [
+      "helper-changelog"
+    ],
+    "related": {
+      "list": [
+        "braces",
+        "extglob",
+        "micromatch",
+        "nanomatch"
+      ]
+    },
+    "reflinks": [
+      "micromatch",
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/extend-shallow/LICENSE b/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..99c93691
--- /dev/null
+++ b/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/extend-shallow/README.md b/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..dee226f4
--- /dev/null
+++ b/node_modules/extend-shallow/README.md
@@ -0,0 +1,97 @@
+# extend-shallow [![NPM version](https://img.shields.io/npm/v/extend-shallow.svg?style=flat)](https://www.npmjs.com/package/extend-shallow) [![NPM monthly downloads](https://img.shields.io/npm/dm/extend-shallow.svg?style=flat)](https://npmjs.org/package/extend-shallow) [![NPM total downloads](https://img.shields.io/npm/dt/extend-shallow.svg?style=flat)](https://npmjs.org/package/extend-shallow) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/extend-shallow.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save extend-shallow
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [for-in](https://www.npmjs.com/package/for-in): Iterate over the own and inherited enumerable properties of an object, and return an object… [more](https://github.com/jonschlinkert/for-in) | [homepage](https://github.com/jonschlinkert/for-in "Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js")
+* [for-own](https://www.npmjs.com/package/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own) | [homepage](https://github.com/jonschlinkert/for-own "Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.")
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 33 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on November 19, 2017._
\ No newline at end of file
diff --git a/node_modules/extend-shallow/index.js b/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..c9582f8f
--- /dev/null
+++ b/node_modules/extend-shallow/index.js
@@ -0,0 +1,60 @@
+'use strict';
+
+var isExtendable = require('is-extendable');
+var assignSymbols = require('assign-symbols');
+
+module.exports = Object.assign || function(obj/*, objects*/) {
+  if (obj === null || typeof obj === 'undefined') {
+    throw new TypeError('Cannot convert undefined or null to object');
+  }
+  if (!isObject(obj)) {
+    obj = {};
+  }
+  for (var i = 1; i < arguments.length; i++) {
+    var val = arguments[i];
+    if (isString(val)) {
+      val = toObject(val);
+    }
+    if (isObject(val)) {
+      assign(obj, val);
+      assignSymbols(obj, val);
+    }
+  }
+  return obj;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+function isString(val) {
+  return (val && typeof val === 'string');
+}
+
+function toObject(str) {
+  var obj = {};
+  for (var i in str) {
+    obj[i] = str[i];
+  }
+  return obj;
+}
+
+function isObject(val) {
+  return (val && typeof val === 'object') || isExtendable(val);
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
+
+function isEnum(obj, key) {
+  return Object.prototype.propertyIsEnumerable.call(obj, key);
+}
diff --git a/node_modules/extend-shallow/package.json b/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..e5e91053
--- /dev/null
+++ b/node_modules/extend-shallow/package.json
@@ -0,0 +1,83 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "3.0.2",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "assign-symbols": "^1.0.0",
+    "is-extendable": "^1.0.1"
+  },
+  "devDependencies": {
+    "array-slice": "^1.0.0",
+    "benchmarked": "^2.0.0",
+    "for-own": "^1.0.0",
+    "gulp-format-md": "^1.0.0",
+    "is-plain-object": "^2.0.4",
+    "kind-of": "^6.0.1",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3",
+    "object-assign": "^4.1.1"
+  },
+  "keywords": [
+    "assign",
+    "clone",
+    "extend",
+    "merge",
+    "obj",
+    "object",
+    "object-assign",
+    "object.assign",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "related": {
+      "list": [
+        "extend-shallow",
+        "for-in",
+        "for-own",
+        "is-plain-object",
+        "isobject",
+        "kind-of"
+      ]
+    },
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/extglob/LICENSE b/node_modules/extglob/LICENSE
new file mode 100644
index 00000000..e33d14b7
--- /dev/null
+++ b/node_modules/extglob/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/extglob/README.md b/node_modules/extglob/README.md
new file mode 100644
index 00000000..3255ea2b
--- /dev/null
+++ b/node_modules/extglob/README.md
@@ -0,0 +1,362 @@
+# extglob [![NPM version](https://img.shields.io/npm/v/extglob.svg?style=flat)](https://www.npmjs.com/package/extglob) [![NPM monthly downloads](https://img.shields.io/npm/dm/extglob.svg?style=flat)](https://npmjs.org/package/extglob) [![NPM total downloads](https://img.shields.io/npm/dt/extglob.svg?style=flat)](https://npmjs.org/package/extglob) [![Linux Build Status](https://img.shields.io/travis/micromatch/extglob.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/extglob) [![Windows Build Status](https://img.shields.io/appveyor/ci/micromatch/extglob.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/micromatch/extglob)
+
+> Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save extglob
+```
+
+* Convert an extglob string to a regex-compatible string.
+* More complete (and correct) support than [minimatch](https://github.com/isaacs/minimatch) (minimatch fails a large percentage of the extglob tests)
+* Handles [negation patterns](#extglob-patterns)
+* Handles [nested patterns](#extglob-patterns)
+* Organized code base, easy to maintain and make changes when edge cases arise
+* As you can see by the [benchmarks](#benchmarks), extglob doesn't pay with speed for it's completeness, accuracy and quality.
+
+**Heads up!**: This library only supports extglobs, to handle full glob patterns and other extended globbing features use [micromatch](https://github.com/jonschlinkert/micromatch) instead.
+
+## Usage
+
+The main export is a function that takes a string and options, and returns an object with the parsed AST and the compiled `.output`, which is a regex-compatible string that can be used for matching.
+
+```js
+var extglob = require('extglob');
+console.log(extglob('!(xyz)*.js'));
+```
+
+## Extglob cheatsheet
+
+Extended globbing patterns can be defined as follows (as described by the [bash man page](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html)):
+
+| **pattern** | **regex equivalent** | **description** | 
+| --- | --- | --- |
+| `?(pattern-list)` | `(...|...)?` | Matches zero or one occurrence of the given pattern(s) |
+| `*(pattern-list)` | `(...|...)*` | Matches zero or more occurrences of the given pattern(s) |
+| `+(pattern-list)` | `(...|...)+` | Matches one or more occurrences of the given pattern(s) |
+| `@(pattern-list)` | `(...|...)` <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> | Matches one of the given pattern(s) |
+| `!(pattern-list)` | N/A | Matches anything except one of the given pattern(s) |
+
+## API
+
+### [extglob](index.js#L36)
+
+Convert the given `extglob` pattern into a regex-compatible string. Returns an object with the compiled result and the parsed AST.
+
+**Params**
+
+* `pattern` **{String}**
+* `options` **{Object}**
+* `returns` **{String}**
+
+**Example**
+
+```js
+var extglob = require('extglob');
+console.log(extglob('*.!(*a)'));
+//=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+```
+
+### [.match](index.js#L56)
+
+Takes an array of strings and an extglob pattern and returns a new array that contains only the strings that match the pattern.
+
+**Params**
+
+* `list` **{Array}**: Array of strings to match
+* `pattern` **{String}**: Extglob pattern
+* `options` **{Object}**
+* `returns` **{Array}**: Returns an array of matches
+
+**Example**
+
+```js
+var extglob = require('extglob');
+console.log(extglob.match(['a.a', 'a.b', 'a.c'], '*.!(*a)'));
+//=> ['a.b', 'a.c']
+```
+
+### [.isMatch](index.js#L111)
+
+Returns true if the specified `string` matches the given extglob `pattern`.
+
+**Params**
+
+* `string` **{String}**: String to match
+* `pattern` **{String}**: Extglob pattern
+* `options` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var extglob = require('extglob');
+
+console.log(extglob.isMatch('a.a', '*.!(*a)'));
+//=> false
+console.log(extglob.isMatch('a.b', '*.!(*a)'));
+//=> true
+```
+
+### [.contains](index.js#L150)
+
+Returns true if the given `string` contains the given pattern. Similar to `.isMatch` but the pattern can match any part of the string.
+
+**Params**
+
+* `str` **{String}**: The string to match.
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `options` **{Object}**
+* `returns` **{Boolean}**: Returns true if the patter matches any part of `str`.
+
+**Example**
+
+```js
+var extglob = require('extglob');
+console.log(extglob.contains('aa/bb/cc', '*b'));
+//=> true
+console.log(extglob.contains('aa/bb/cc', '*d'));
+//=> false
+```
+
+### [.matcher](index.js#L184)
+
+Takes an extglob pattern and returns a matcher function. The returned function takes the string to match as its only argument.
+
+**Params**
+
+* `pattern` **{String}**: Extglob pattern
+* `options` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var extglob = require('extglob');
+var isMatch = extglob.matcher('*.!(*a)');
+
+console.log(isMatch('a.a'));
+//=> false
+console.log(isMatch('a.b'));
+//=> true
+```
+
+### [.create](index.js#L214)
+
+Convert the given `extglob` pattern into a regex-compatible string. Returns an object with the compiled result and the parsed AST.
+
+**Params**
+
+* `str` **{String}**
+* `options` **{Object}**
+* `returns` **{String}**
+
+**Example**
+
+```js
+var extglob = require('extglob');
+console.log(extglob.create('*.!(*a)').output);
+//=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+```
+
+### [.capture](index.js#L248)
+
+Returns an array of matches captured by `pattern` in `string`, or `null` if the pattern did not match.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `string` **{String}**: String to match
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+
+**Example**
+
+```js
+var extglob = require('extglob');
+extglob.capture(pattern, string[, options]);
+
+console.log(extglob.capture('test/*.js', 'test/foo.js'));
+//=> ['foo']
+console.log(extglob.capture('test/*.js', 'foo/bar.css'));
+//=> null
+```
+
+### [.makeRe](index.js#L281)
+
+Create a regular expression from the given `pattern` and `options`.
+
+**Params**
+
+* `pattern` **{String}**: The pattern to convert to regex.
+* `options` **{Object}**
+* `returns` **{RegExp}**
+
+**Example**
+
+```js
+var extglob = require('extglob');
+var re = extglob.makeRe('*.!(*a)');
+console.log(re);
+//=> /^[^\/]*?\.(?![^\/]*?a)[^\/]*?$/
+```
+
+## Options
+
+Available options are based on the options from Bash (and the option names used in bash).
+
+### options.nullglob
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+When enabled, the pattern itself will be returned when no matches are found.
+
+### options.nonull
+
+Alias for [options.nullglob](#optionsnullglob), included for parity with minimatch.
+
+### options.cache
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Functions are memoized based on the given glob patterns and options. Disable memoization by setting `options.cache` to false.
+
+### options.failglob
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Throw an error is no matches are found.
+
+## Benchmarks
+
+Last run on December 21, 2017
+
+```sh
+# negation-nested (49 bytes)
+  extglob x 2,228,255 ops/sec ±0.98% (89 runs sampled)
+  minimatch x 207,875 ops/sec ±0.61% (91 runs sampled)
+
+  fastest is extglob (by 1072% avg)
+
+# negation-simple (43 bytes)
+  extglob x 2,205,668 ops/sec ±1.00% (91 runs sampled)
+  minimatch x 311,923 ops/sec ±1.25% (91 runs sampled)
+
+  fastest is extglob (by 707% avg)
+
+# range-false (57 bytes)
+  extglob x 2,263,877 ops/sec ±0.40% (94 runs sampled)
+  minimatch x 271,372 ops/sec ±1.02% (91 runs sampled)
+
+  fastest is extglob (by 834% avg)
+
+# range-true (56 bytes)
+  extglob x 2,161,891 ops/sec ±0.41% (92 runs sampled)
+  minimatch x 268,265 ops/sec ±1.17% (91 runs sampled)
+
+  fastest is extglob (by 806% avg)
+
+# star-simple (46 bytes)
+  extglob x 2,211,081 ops/sec ±0.49% (92 runs sampled)
+  minimatch x 343,319 ops/sec ±0.59% (91 runs sampled)
+
+  fastest is extglob (by 644% avg)
+
+```
+
+## Differences from Bash
+
+This library has complete parity with Bash 4.3 with only a couple of minor differences.
+
+* In some cases Bash returns true if the given string "contains" the pattern, whereas this library returns true if the string is an exact match for the pattern. You can relax this by setting `options.contains` to true.
+* This library is more accurate than Bash and thus does not fail some of the tests that Bash 4.3 still lists as failing in their unit tests
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [braces](https://www.npmjs.com/package/braces): Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support… [more](https://github.com/micromatch/braces) | [homepage](https://github.com/micromatch/braces "Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.")
+* [expand-brackets](https://www.npmjs.com/package/expand-brackets): Expand POSIX bracket expressions (character classes) in glob patterns. | [homepage](https://github.com/jonschlinkert/expand-brackets "Expand POSIX bracket expressions (character classes) in glob patterns.")
+* [expand-range](https://www.npmjs.com/package/expand-range): Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used… [more](https://github.com/jonschlinkert/expand-range) | [homepage](https://github.com/jonschlinkert/expand-range "Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used by [micromatch].")
+* [fill-range](https://www.npmjs.com/package/fill-range): Fill in a range of numbers or letters, optionally passing an increment or `step` to… [more](https://github.com/jonschlinkert/fill-range) | [homepage](https://github.com/jonschlinkert/fill-range "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 49 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [isiahmeadows](https://github.com/isiahmeadows) |
+| 1 | [doowb](https://github.com/doowb) |
+| 1 | [devongovett](https://github.com/devongovett) |
+| 1 | [mjbvz](https://github.com/mjbvz) |
+| 1 | [shinnn](https://github.com/shinnn) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on December 21, 2017._
+
+<hr class="footnotes-sep">
+<section class="footnotes">
+<ol class="footnotes-list">
+<li id="fn1"  class="footnote-item">`@` isn "'t a RegEx character." <a href="#fnref1" class="footnote-backref">↩</a>
+
+</li>
+</ol>
+</section>
\ No newline at end of file
diff --git a/node_modules/extglob/changelog.md b/node_modules/extglob/changelog.md
new file mode 100644
index 00000000..c9fc4fcd
--- /dev/null
+++ b/node_modules/extglob/changelog.md
@@ -0,0 +1,25 @@
+## Changelog
+
+### v2.0.0
+
+**Added features**
+
+- Adds [.capture](readme.md#capture) method for capturing matches, thanks to [devongovett](https://github.com/devongovett)
+
+
+### v1.0.0
+
+**Breaking changes**
+
+- The main export now returns the compiled string, instead of the object returned from the compiler
+
+**Added features**
+
+- Adds a `.create` method to do what the main function did before v1.0.0
+
+**Other changes**
+
+- adds `expand-brackets` parsers/compilers to handle nested brackets and extglobs
+- uses `to-regex` to build regex for `makeRe` method
+- improves coverage
+- optimizations
\ No newline at end of file
diff --git a/node_modules/extglob/index.js b/node_modules/extglob/index.js
new file mode 100644
index 00000000..116e6d5c
--- /dev/null
+++ b/node_modules/extglob/index.js
@@ -0,0 +1,331 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var extend = require('extend-shallow');
+var unique = require('array-unique');
+var toRegex = require('to-regex');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var Extglob = require('./lib/extglob');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * Convert the given `extglob` pattern into a regex-compatible string. Returns
+ * an object with the compiled result and the parsed AST.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob('*.!(*a)'));
+ * //=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+function extglob(pattern, options) {
+  return extglob.create(pattern, options).output;
+}
+
+/**
+ * Takes an array of strings and an extglob pattern and returns a new
+ * array that contains only the strings that match the pattern.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.match(['a.a', 'a.b', 'a.c'], '*.!(*a)'));
+ * //=> ['a.b', 'a.c']
+ * ```
+ * @param {Array} `list` Array of strings to match
+ * @param {String} `pattern` Extglob pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of matches
+ * @api public
+ */
+
+extglob.match = function(list, pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  list = utils.arrayify(list);
+  var isMatch = extglob.matcher(pattern, options);
+  var len = list.length;
+  var idx = -1;
+  var matches = [];
+
+  while (++idx < len) {
+    var ele = list[idx];
+
+    if (isMatch(ele)) {
+      matches.push(ele);
+    }
+  }
+
+  // if no options were passed, uniquify results and return
+  if (typeof options === 'undefined') {
+    return unique(matches);
+  }
+
+  if (matches.length === 0) {
+    if (options.failglob === true) {
+      throw new Error('no matches found for "' + pattern + '"');
+    }
+    if (options.nonull === true || options.nullglob === true) {
+      return [pattern.split('\\').join('')];
+    }
+  }
+
+  return options.nodupes !== false ? unique(matches) : matches;
+};
+
+/**
+ * Returns true if the specified `string` matches the given
+ * extglob `pattern`.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ *
+ * console.log(extglob.isMatch('a.a', '*.!(*a)'));
+ * //=> false
+ * console.log(extglob.isMatch('a.b', '*.!(*a)'));
+ * //=> true
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Extglob pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+extglob.isMatch = function(str, pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (pattern === str) {
+    return true;
+  }
+
+  if (pattern === '' || pattern === ' ' || pattern === '.') {
+    return pattern === str;
+  }
+
+  var isMatch = utils.memoize('isMatch', pattern, options, extglob.matcher);
+  return isMatch(str);
+};
+
+/**
+ * Returns true if the given `string` contains the given pattern. Similar to `.isMatch` but
+ * the pattern can match any part of the string.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.contains('aa/bb/cc', '*b'));
+ * //=> true
+ * console.log(extglob.contains('aa/bb/cc', '*d'));
+ * //=> false
+ * ```
+ * @param {String} `str` The string to match.
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options`
+ * @return {Boolean} Returns true if the patter matches any part of `str`.
+ * @api public
+ */
+
+extglob.contains = function(str, pattern, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (pattern === '' || pattern === ' ' || pattern === '.') {
+    return pattern === str;
+  }
+
+  var opts = extend({}, options, {contains: true});
+  opts.strictClose = false;
+  opts.strictOpen = false;
+  return extglob.isMatch(str, pattern, opts);
+};
+
+/**
+ * Takes an extglob pattern and returns a matcher function. The returned
+ * function takes the string to match as its only argument.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * var isMatch = extglob.matcher('*.!(*a)');
+ *
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.b'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Extglob pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+extglob.matcher = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  function matcher() {
+    var re = extglob.makeRe(pattern, options);
+    return function(str) {
+      return re.test(str);
+    };
+  }
+
+  return utils.memoize('matcher', pattern, options, matcher);
+};
+
+/**
+ * Convert the given `extglob` pattern into a regex-compatible string. Returns
+ * an object with the compiled result and the parsed AST.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.create('*.!(*a)').output);
+ * //=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+extglob.create = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  function create() {
+    var ext = new Extglob(options);
+    var ast = ext.parse(pattern, options);
+    return ext.compile(ast, options);
+  }
+
+  return utils.memoize('create', pattern, options, create);
+};
+
+/**
+ * Returns an array of matches captured by `pattern` in `string`, or `null`
+ * if the pattern did not match.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * extglob.capture(pattern, string[, options]);
+ *
+ * console.log(extglob.capture('test/*.js', 'test/foo.js'));
+ * //=> ['foo']
+ * console.log(extglob.capture('test/*.js', 'foo/bar.css'));
+ * //=> null
+ * ```
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {String} `string` String to match
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+ * @api public
+ */
+
+extglob.capture = function(pattern, str, options) {
+  var re = extglob.makeRe(pattern, extend({capture: true}, options));
+
+  function match() {
+    return function(string) {
+      var match = re.exec(string);
+      if (!match) {
+        return null;
+      }
+
+      return match.slice(1);
+    };
+  }
+
+  var capture = utils.memoize('capture', pattern, options, match);
+  return capture(str);
+};
+
+/**
+ * Create a regular expression from the given `pattern` and `options`.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * var re = extglob.makeRe('*.!(*a)');
+ * console.log(re);
+ * //=> /^[^\/]*?\.(?![^\/]*?a)[^\/]*?$/
+ * ```
+ * @param {String} `pattern` The pattern to convert to regex.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+extglob.makeRe = function(pattern, options) {
+  if (pattern instanceof RegExp) {
+    return pattern;
+  }
+
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  if (pattern.length > MAX_LENGTH) {
+    throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
+  }
+
+  function makeRe() {
+    var opts = extend({strictErrors: false}, options);
+    if (opts.strictErrors === true) opts.strict = true;
+    var res = extglob.create(pattern, opts);
+    return toRegex(res.output, opts);
+  }
+
+  var regex = utils.memoize('makeRe', pattern, options, makeRe);
+  if (regex.source.length > MAX_LENGTH) {
+    throw new SyntaxError('potentially malicious regex detected');
+  }
+
+  return regex;
+};
+
+/**
+ * Cache
+ */
+
+extglob.cache = utils.cache;
+extglob.clearCache = function() {
+  extglob.cache.__data__ = {};
+};
+
+/**
+ * Expose `Extglob` constructor, parsers and compilers
+ */
+
+extglob.Extglob = Extglob;
+extglob.compilers = compilers;
+extglob.parsers = parsers;
+
+/**
+ * Expose `extglob`
+ * @type {Function}
+ */
+
+module.exports = extglob;
diff --git a/node_modules/extglob/lib/.DS_Store b/node_modules/extglob/lib/.DS_Store
new file mode 100644
index 00000000..5008ddfc
Binary files /dev/null and b/node_modules/extglob/lib/.DS_Store differ
diff --git a/node_modules/extglob/lib/compilers.js b/node_modules/extglob/lib/compilers.js
new file mode 100644
index 00000000..d7bed252
--- /dev/null
+++ b/node_modules/extglob/lib/compilers.js
@@ -0,0 +1,169 @@
+'use strict';
+
+var brackets = require('expand-brackets');
+
+/**
+ * Extglob compilers
+ */
+
+module.exports = function(extglob) {
+  function star() {
+    if (typeof extglob.options.star === 'function') {
+      return extglob.options.star.apply(this, arguments);
+    }
+    if (typeof extglob.options.star === 'string') {
+      return extglob.options.star;
+    }
+    return '.*?';
+  }
+
+  /**
+   * Use `expand-brackets` compilers
+   */
+
+  extglob.use(brackets.compilers);
+  extglob.compiler
+
+    /**
+     * Escaped: "\\*"
+     */
+
+    .set('escape', function(node) {
+      return this.emit(node.val, node);
+    })
+
+    /**
+     * Dot: "."
+     */
+
+    .set('dot', function(node) {
+      return this.emit('\\' + node.val, node);
+    })
+
+    /**
+     * Question mark: "?"
+     */
+
+    .set('qmark', function(node) {
+      var val = '[^\\\\/.]';
+      var prev = this.prev();
+
+      if (node.parsed.slice(-1) === '(') {
+        var ch = node.rest.charAt(0);
+        if (ch !== '!' && ch !== '=' && ch !== ':') {
+          return this.emit(val, node);
+        }
+        return this.emit(node.val, node);
+      }
+
+      if (prev.type === 'text' && prev.val) {
+        return this.emit(val, node);
+      }
+
+      if (node.val.length > 1) {
+        val += '{' + node.val.length + '}';
+      }
+      return this.emit(val, node);
+    })
+
+    /**
+     * Plus: "+"
+     */
+
+    .set('plus', function(node) {
+      var prev = node.parsed.slice(-1);
+      if (prev === ']' || prev === ')') {
+        return this.emit(node.val, node);
+      }
+      var ch = this.output.slice(-1);
+      if (!this.output || (/[?*+]/.test(ch) && node.parent.type !== 'bracket')) {
+        return this.emit('\\+', node);
+      }
+      if (/\w/.test(ch) && !node.inside) {
+        return this.emit('+\\+?', node);
+      }
+      return this.emit('+', node);
+    })
+
+    /**
+     * Star: "*"
+     */
+
+    .set('star', function(node) {
+      var prev = this.prev();
+      var prefix = prev.type !== 'text' && prev.type !== 'escape'
+        ? '(?!\\.)'
+        : '';
+
+      return this.emit(prefix + star.call(this, node), node);
+    })
+
+    /**
+     * Parens
+     */
+
+    .set('paren', function(node) {
+      return this.mapVisit(node.nodes);
+    })
+    .set('paren.open', function(node) {
+      var capture = this.options.capture ? '(' : '';
+
+      switch (node.parent.prefix) {
+        case '!':
+        case '^':
+          return this.emit(capture + '(?:(?!(?:', node);
+        case '*':
+        case '+':
+        case '?':
+        case '@':
+          return this.emit(capture + '(?:', node);
+        default: {
+          var val = node.val;
+          if (this.options.bash === true) {
+            val = '\\' + val;
+          } else if (!this.options.capture && val === '(' && node.parent.rest[0] !== '?') {
+            val += '?:';
+          }
+
+          return this.emit(val, node);
+        }
+      }
+    })
+    .set('paren.close', function(node) {
+      var capture = this.options.capture ? ')' : '';
+
+      switch (node.prefix) {
+        case '!':
+        case '^':
+          var prefix = /^(\)|$)/.test(node.rest) ? '$' : '';
+          var str = star.call(this, node);
+
+          // if the extglob has a slash explicitly defined, we know the user wants
+          // to match slashes, so we need to ensure the "star" regex allows for it
+          if (node.parent.hasSlash && !this.options.star && this.options.slash !== false) {
+            str = '.*?';
+          }
+
+          return this.emit(prefix + ('))' + str + ')') + capture, node);
+        case '*':
+        case '+':
+        case '?':
+          return this.emit(')' + node.prefix + capture, node);
+        case '@':
+          return this.emit(')' + capture, node);
+        default: {
+          var val = (this.options.bash === true ? '\\' : '') + ')';
+          return this.emit(val, node);
+        }
+      }
+    })
+
+    /**
+     * Text
+     */
+
+    .set('text', function(node) {
+      var val = node.val.replace(/[\[\]]/g, '\\$&');
+      return this.emit(val, node);
+    });
+};
diff --git a/node_modules/extglob/lib/extglob.js b/node_modules/extglob/lib/extglob.js
new file mode 100644
index 00000000..015f9289
--- /dev/null
+++ b/node_modules/extglob/lib/extglob.js
@@ -0,0 +1,78 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var Snapdragon = require('snapdragon');
+var define = require('define-property');
+var extend = require('extend-shallow');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./compilers');
+var parsers = require('./parsers');
+
+/**
+ * Customize Snapdragon parser and renderer
+ */
+
+function Extglob(options) {
+  this.options = extend({source: 'extglob'}, options);
+  this.snapdragon = this.options.snapdragon || new Snapdragon(this.options);
+  this.snapdragon.patterns = this.snapdragon.patterns || {};
+  this.compiler = this.snapdragon.compiler;
+  this.parser = this.snapdragon.parser;
+
+  compilers(this.snapdragon);
+  parsers(this.snapdragon);
+
+  /**
+   * Override Snapdragon `.parse` method
+   */
+
+  define(this.snapdragon, 'parse', function(str, options) {
+    var parsed = Snapdragon.prototype.parse.apply(this, arguments);
+    parsed.input = str;
+
+    // escape unmatched brace/bracket/parens
+    var last = this.parser.stack.pop();
+    if (last && this.options.strict !== true) {
+      var node = last.nodes[0];
+      node.val = '\\' + node.val;
+      var sibling = node.parent.nodes[1];
+      if (sibling.type === 'star') {
+        sibling.loose = true;
+      }
+    }
+
+    // add non-enumerable parser reference
+    define(parsed, 'parser', this.parser);
+    return parsed;
+  });
+
+  /**
+   * Decorate `.parse` method
+   */
+
+  define(this, 'parse', function(ast, options) {
+    return this.snapdragon.parse.apply(this.snapdragon, arguments);
+  });
+
+  /**
+   * Decorate `.compile` method
+   */
+
+  define(this, 'compile', function(ast, options) {
+    return this.snapdragon.compile.apply(this.snapdragon, arguments);
+  });
+
+}
+
+/**
+ * Expose `Extglob`
+ */
+
+module.exports = Extglob;
diff --git a/node_modules/extglob/lib/parsers.js b/node_modules/extglob/lib/parsers.js
new file mode 100644
index 00000000..2ba7352e
--- /dev/null
+++ b/node_modules/extglob/lib/parsers.js
@@ -0,0 +1,156 @@
+'use strict';
+
+var brackets = require('expand-brackets');
+var define = require('define-property');
+var utils = require('./utils');
+
+/**
+ * Characters to use in text regex (we want to "not" match
+ * characters that are matched by other parsers)
+ */
+
+var TEXT_REGEX = '([!@*?+]?\\(|\\)|[*?.+\\\\]|\\[:?(?=.*\\])|:?\\])+';
+var not = utils.createRegex(TEXT_REGEX);
+
+/**
+ * Extglob parsers
+ */
+
+function parsers(extglob) {
+  extglob.state = extglob.state || {};
+
+  /**
+   * Use `expand-brackets` parsers
+   */
+
+  extglob.use(brackets.parsers);
+  extglob.parser.sets.paren = extglob.parser.sets.paren || [];
+  extglob.parser
+
+    /**
+     * Extglob open: "*("
+     */
+
+    .capture('paren.open', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^([!@*?+])?\(/);
+      if (!m) return;
+
+      var prev = this.prev();
+      var prefix = m[1];
+      var val = m[0];
+
+      var open = pos({
+        type: 'paren.open',
+        parsed: parsed,
+        val: val
+      });
+
+      var node = pos({
+        type: 'paren',
+        prefix: prefix,
+        nodes: [open]
+      });
+
+      // if nested negation extglobs, just cancel them out to simplify
+      if (prefix === '!' && prev.type === 'paren' && prev.prefix === '!') {
+        prev.prefix = '@';
+        node.prefix = '@';
+      }
+
+      define(node, 'rest', this.input);
+      define(node, 'parsed', parsed);
+      define(node, 'parent', prev);
+      define(open, 'parent', node);
+
+      this.push('paren', node);
+      prev.nodes.push(node);
+    })
+
+    /**
+     * Extglob close: ")"
+     */
+
+    .capture('paren.close', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\)/);
+      if (!m) return;
+
+      var parent = this.pop('paren');
+      var node = pos({
+        type: 'paren.close',
+        rest: this.input,
+        parsed: parsed,
+        val: m[0]
+      });
+
+      if (!this.isType(parent, 'paren')) {
+        if (this.options.strict) {
+          throw new Error('missing opening paren: "("');
+        }
+        node.escaped = true;
+        return node;
+      }
+
+      node.prefix = parent.prefix;
+      parent.nodes.push(node);
+      define(node, 'parent', parent);
+    })
+
+    /**
+     * Escape: "\\."
+     */
+
+    .capture('escape', function() {
+      var pos = this.position();
+      var m = this.match(/^\\(.)/);
+      if (!m) return;
+
+      return pos({
+        type: 'escape',
+        val: m[0],
+        ch: m[1]
+      });
+    })
+
+    /**
+     * Question marks: "?"
+     */
+
+    .capture('qmark', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\?+(?!\()/);
+      if (!m) return;
+      extglob.state.metachar = true;
+      return pos({
+        type: 'qmark',
+        rest: this.input,
+        parsed: parsed,
+        val: m[0]
+      });
+    })
+
+    /**
+     * Character parsers
+     */
+
+    .capture('star', /^\*(?!\()/)
+    .capture('plus', /^\+(?!\()/)
+    .capture('dot', /^\./)
+    .capture('text', not);
+};
+
+/**
+ * Expose text regex string
+ */
+
+module.exports.TEXT_REGEX = TEXT_REGEX;
+
+/**
+ * Extglob parsers
+ */
+
+module.exports = parsers;
diff --git a/node_modules/extglob/lib/utils.js b/node_modules/extglob/lib/utils.js
new file mode 100644
index 00000000..37a59fbc
--- /dev/null
+++ b/node_modules/extglob/lib/utils.js
@@ -0,0 +1,69 @@
+'use strict';
+
+var regex = require('regex-not');
+var Cache = require('fragment-cache');
+
+/**
+ * Utils
+ */
+
+var utils = module.exports;
+var cache = utils.cache = new Cache();
+
+/**
+ * Cast `val` to an array
+ * @return {Array}
+ */
+
+utils.arrayify = function(val) {
+  if (!Array.isArray(val)) {
+    return [val];
+  }
+  return val;
+};
+
+/**
+ * Memoize a generated regex or function
+ */
+
+utils.memoize = function(type, pattern, options, fn) {
+  var key = utils.createKey(type + pattern, options);
+
+  if (cache.has(type, key)) {
+    return cache.get(type, key);
+  }
+
+  var val = fn(pattern, options);
+  if (options && options.cache === false) {
+    return val;
+  }
+
+  cache.set(type, key, val);
+  return val;
+};
+
+/**
+ * Create the key to use for memoization. The key is generated
+ * by iterating over the options and concatenating key-value pairs
+ * to the pattern string.
+ */
+
+utils.createKey = function(pattern, options) {
+  var key = pattern;
+  if (typeof options === 'undefined') {
+    return key;
+  }
+  for (var prop in options) {
+    key += ';' + prop + '=' + String(options[prop]);
+  }
+  return key;
+};
+
+/**
+ * Create the regex to use for matching text
+ */
+
+utils.createRegex = function(str) {
+  var opts = {contains: true, strictClose: false};
+  return regex(str, opts);
+};
diff --git a/node_modules/extglob/node_modules/define-property/LICENSE b/node_modules/extglob/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/extglob/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/extglob/node_modules/define-property/README.md b/node_modules/extglob/node_modules/define-property/README.md
new file mode 100644
index 00000000..2f1af05f
--- /dev/null
+++ b/node_modules/extglob/node_modules/define-property/README.md
@@ -0,0 +1,95 @@
+# define-property [![NPM version](https://img.shields.io/npm/v/define-property.svg?style=flat)](https://www.npmjs.com/package/define-property) [![NPM monthly downloads](https://img.shields.io/npm/dm/define-property.svg?style=flat)](https://npmjs.org/package/define-property)  [![NPM total downloads](https://img.shields.io/npm/dt/define-property.svg?style=flat)](https://npmjs.org/package/define-property) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/define-property.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save define-property
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add define-property
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## About
+
+### Related projects
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target (first) object.")
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 20, 2017._
\ No newline at end of file
diff --git a/node_modules/extglob/node_modules/define-property/index.js b/node_modules/extglob/node_modules/define-property/index.js
new file mode 100644
index 00000000..27c19ebf
--- /dev/null
+++ b/node_modules/extglob/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/extglob/node_modules/define-property/package.json b/node_modules/extglob/node_modules/define-property/package.json
new file mode 100644
index 00000000..e0ab1ca0
--- /dev/null
+++ b/node_modules/extglob/node_modules/define-property/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-descriptor": "^1.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "extend-shallow",
+        "merge-deep",
+        "assign-deep",
+        "mixin-deep"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/extglob/node_modules/extend-shallow/LICENSE b/node_modules/extglob/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/extglob/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/extglob/node_modules/extend-shallow/README.md b/node_modules/extglob/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/extglob/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/extglob/node_modules/extend-shallow/index.js b/node_modules/extglob/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/extglob/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/extglob/node_modules/extend-shallow/package.json b/node_modules/extglob/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/extglob/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/extglob/node_modules/is-extendable/LICENSE b/node_modules/extglob/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/extglob/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/extglob/node_modules/is-extendable/README.md b/node_modules/extglob/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/extglob/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/extglob/node_modules/is-extendable/index.js b/node_modules/extglob/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/extglob/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/extglob/node_modules/is-extendable/package.json b/node_modules/extglob/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/extglob/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/extglob/package.json b/node_modules/extglob/package.json
new file mode 100644
index 00000000..afe51573
--- /dev/null
+++ b/node_modules/extglob/package.json
@@ -0,0 +1,108 @@
+{
+  "name": "extglob",
+  "description": "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.",
+  "version": "2.0.4",
+  "homepage": "https://github.com/micromatch/extglob",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Devon Govett (http://badassjs.com)",
+    "Isiah Meadows (https://www.isiahmeadows.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Matt Bierner (http://mattbierner.com)",
+    "Shinnosuke Watanabe (https://shinnn.github.io)"
+  ],
+  "repository": "micromatch/extglob",
+  "bugs": {
+    "url": "https://github.com/micromatch/extglob/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "array-unique": "^0.3.2",
+    "define-property": "^1.0.0",
+    "expand-brackets": "^2.1.4",
+    "extend-shallow": "^2.0.1",
+    "fragment-cache": "^0.2.1",
+    "regex-not": "^1.0.0",
+    "snapdragon": "^0.8.1",
+    "to-regex": "^3.0.1"
+  },
+  "devDependencies": {
+    "bash-match": "^1.0.2",
+    "for-own": "^1.0.0",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^4.0.0",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.2",
+    "gulp-mocha": "^3.0.1",
+    "gulp-unused": "^0.2.1",
+    "helper-changelog": "^0.3.0",
+    "is-windows": "^1.0.1",
+    "micromatch": "^3.0.4",
+    "minimatch": "^3.0.4",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.0",
+    "multimatch": "^2.1.0"
+  },
+  "keywords": [
+    "bash",
+    "extended",
+    "extglob",
+    "glob",
+    "globbing",
+    "ksh",
+    "match",
+    "pattern",
+    "patterns",
+    "regex",
+    "test",
+    "wildcard"
+  ],
+  "lintDeps": {
+    "devDependencies": {
+      "files": {
+        "options": {
+          "ignore": [
+            "benchmark/**/*.js"
+          ]
+        }
+      }
+    }
+  },
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "related": {
+      "list": [
+        "braces",
+        "expand-brackets",
+        "expand-range",
+        "fill-range",
+        "micromatch"
+      ]
+    },
+    "helpers": [
+      "helper-changelog"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/fast-deep-equal/LICENSE b/node_modules/fast-deep-equal/LICENSE
new file mode 100644
index 00000000..7f154356
--- /dev/null
+++ b/node_modules/fast-deep-equal/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/fast-deep-equal/README.md b/node_modules/fast-deep-equal/README.md
new file mode 100644
index 00000000..d3f4ffcc
--- /dev/null
+++ b/node_modules/fast-deep-equal/README.md
@@ -0,0 +1,96 @@
+# fast-deep-equal
+The fastest deep equal with ES6 Map, Set and Typed arrays support.
+
+[![Build Status](https://travis-ci.org/epoberezkin/fast-deep-equal.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-deep-equal)
+[![npm](https://img.shields.io/npm/v/fast-deep-equal.svg)](https://www.npmjs.com/package/fast-deep-equal)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-deep-equal/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-deep-equal?branch=master)
+
+
+## Install
+
+```bash
+npm install fast-deep-equal
+```
+
+
+## Features
+
+- ES5 compatible
+- works in node.js (8+) and browsers (IE9+)
+- checks equality of Date and RegExp objects by value.
+
+ES6 equal (`require('fast-deep-equal/es6')`) also supports:
+- Maps
+- Sets
+- Typed arrays
+
+
+## Usage
+
+```javascript
+var equal = require('fast-deep-equal');
+console.log(equal({foo: 'bar'}, {foo: 'bar'})); // true
+```
+
+To support ES6 Maps, Sets and Typed arrays equality use:
+
+```javascript
+var equal = require('fast-deep-equal/es6');
+console.log(equal(Int16Array([1, 2]), Int16Array([1, 2]))); // true
+```
+
+To use with React (avoiding the traversal of React elements' _owner
+property that contains circular references and is not needed when
+comparing the elements - borrowed from [react-fast-compare](https://github.com/FormidableLabs/react-fast-compare)):
+
+```javascript
+var equal = require('fast-deep-equal/react');
+var equal = require('fast-deep-equal/es6/react');
+```
+
+
+## Performance benchmark
+
+Node.js v12.6.0:
+
+```
+fast-deep-equal x 261,950 ops/sec ±0.52% (89 runs sampled)
+fast-deep-equal/es6 x 212,991 ops/sec ±0.34% (92 runs sampled)
+fast-equals x 230,957 ops/sec ±0.83% (85 runs sampled)
+nano-equal x 187,995 ops/sec ±0.53% (88 runs sampled)
+shallow-equal-fuzzy x 138,302 ops/sec ±0.49% (90 runs sampled)
+underscore.isEqual x 74,423 ops/sec ±0.38% (89 runs sampled)
+lodash.isEqual x 36,637 ops/sec ±0.72% (90 runs sampled)
+deep-equal x 2,310 ops/sec ±0.37% (90 runs sampled)
+deep-eql x 35,312 ops/sec ±0.67% (91 runs sampled)
+ramda.equals x 12,054 ops/sec ±0.40% (91 runs sampled)
+util.isDeepStrictEqual x 46,440 ops/sec ±0.43% (90 runs sampled)
+assert.deepStrictEqual x 456 ops/sec ±0.71% (88 runs sampled)
+
+The fastest is fast-deep-equal
+```
+
+To run benchmark (requires node.js 6+):
+
+```bash
+npm run benchmark
+```
+
+__Please note__: this benchmark runs against the available test cases. To choose the most performant library for your application, it is recommended to benchmark against your data and to NOT expect this benchmark to reflect the performance difference in your application.
+
+
+## Enterprise support
+
+fast-deep-equal package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-deep-equal?utm_source=npm-fast-deep-equal&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues.
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/fast-deep-equal/blob/master/LICENSE)
diff --git a/node_modules/fast-deep-equal/es6/index.d.ts b/node_modules/fast-deep-equal/es6/index.d.ts
new file mode 100644
index 00000000..c7eb9c79
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/index.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/es6/index.js b/node_modules/fast-deep-equal/es6/index.js
new file mode 100644
index 00000000..d980be25
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/index.js
@@ -0,0 +1,72 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+  var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+    if ((a instanceof Map) && (b instanceof Map)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      for (i of a.entries())
+        if (!equal(i[1], b.get(i[0]))) return false;
+      return true;
+    }
+
+    if ((a instanceof Set) && (b instanceof Set)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      return true;
+    }
+
+    if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (a[i] !== b[i]) return false;
+      return true;
+    }
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/es6/react.d.ts b/node_modules/fast-deep-equal/es6/react.d.ts
new file mode 100644
index 00000000..c7eb9c79
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/react.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/es6/react.js b/node_modules/fast-deep-equal/es6/react.js
new file mode 100644
index 00000000..98e2f9b7
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/react.js
@@ -0,0 +1,79 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+  var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+    if ((a instanceof Map) && (b instanceof Map)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      for (i of a.entries())
+        if (!equal(i[1], b.get(i[0]))) return false;
+      return true;
+    }
+
+    if ((a instanceof Set) && (b instanceof Set)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      return true;
+    }
+
+    if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (a[i] !== b[i]) return false;
+      return true;
+    }
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (key === '_owner' && a.$$typeof) {
+        // React-specific: avoid traversing React elements' _owner.
+        //  _owner contains circular references
+        // and is not needed when comparing the actual elements (and not their owners)
+        continue;
+      }
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/index.d.ts b/node_modules/fast-deep-equal/index.d.ts
new file mode 100644
index 00000000..3c042caa
--- /dev/null
+++ b/node_modules/fast-deep-equal/index.d.ts
@@ -0,0 +1,4 @@
+declare module 'fast-deep-equal' {
+    const equal: (a: any, b: any) => boolean;
+    export = equal;
+}
diff --git a/node_modules/fast-deep-equal/index.js b/node_modules/fast-deep-equal/index.js
new file mode 100644
index 00000000..30dd1ba7
--- /dev/null
+++ b/node_modules/fast-deep-equal/index.js
@@ -0,0 +1,46 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/package.json b/node_modules/fast-deep-equal/package.json
new file mode 100644
index 00000000..3cfe66c6
--- /dev/null
+++ b/node_modules/fast-deep-equal/package.json
@@ -0,0 +1,61 @@
+{
+  "name": "fast-deep-equal",
+  "version": "3.1.3",
+  "description": "Fast deep equal",
+  "main": "index.js",
+  "scripts": {
+    "eslint": "eslint *.js benchmark/*.js spec/*.js",
+    "build": "node build",
+    "benchmark": "npm i && npm run build && cd ./benchmark && npm i && node ./",
+    "test-spec": "mocha spec/*.spec.js -R spec",
+    "test-cov": "nyc npm run test-spec",
+    "test-ts": "tsc --target ES5 --noImplicitAny index.d.ts",
+    "test": "npm run build && npm run eslint && npm run test-ts && npm run test-cov",
+    "prepublish": "npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/fast-deep-equal.git"
+  },
+  "keywords": [
+    "fast",
+    "equal",
+    "deep-equal"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/fast-deep-equal/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/fast-deep-equal#readme",
+  "devDependencies": {
+    "coveralls": "^3.1.0",
+    "dot": "^1.1.2",
+    "eslint": "^7.2.0",
+    "mocha": "^7.2.0",
+    "nyc": "^15.1.0",
+    "pre-commit": "^1.2.2",
+    "react": "^16.12.0",
+    "react-test-renderer": "^16.12.0",
+    "sinon": "^9.0.2",
+    "typescript": "^3.9.5"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "react.js",
+    "react.d.ts",
+    "es6/"
+  ],
+  "types": "index.d.ts"
+}
diff --git a/node_modules/fast-deep-equal/react.d.ts b/node_modules/fast-deep-equal/react.d.ts
new file mode 100644
index 00000000..c7eb9c79
--- /dev/null
+++ b/node_modules/fast-deep-equal/react.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/react.js b/node_modules/fast-deep-equal/react.js
new file mode 100644
index 00000000..3489b983
--- /dev/null
+++ b/node_modules/fast-deep-equal/react.js
@@ -0,0 +1,53 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (key === '_owner' && a.$$typeof) {
+        // React-specific: avoid traversing React elements' _owner.
+        //  _owner contains circular references
+        // and is not needed when comparing the actual elements (and not their owners)
+        continue;
+      }
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-json-stable-stringify/.eslintrc.yml b/node_modules/fast-json-stable-stringify/.eslintrc.yml
new file mode 100644
index 00000000..1c77b0d4
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.eslintrc.yml
@@ -0,0 +1,26 @@
+extends: eslint:recommended
+env:
+  node: true
+  browser: true
+rules:
+  block-scoped-var: 2
+  callback-return: 2
+  dot-notation: 2
+  indent: 2
+  linebreak-style: [2, unix]
+  new-cap: 2
+  no-console: [2, allow: [warn, error]]
+  no-else-return: 2
+  no-eq-null: 2
+  no-fallthrough: 2
+  no-invalid-this: 2
+  no-return-assign: 2
+  no-shadow: 1
+  no-trailing-spaces: 2
+  no-use-before-define: [2, nofunc]
+  quotes: [2, single, avoid-escape]
+  semi: [2, always]
+  strict: [2, global]
+  valid-jsdoc: [2, requireReturn: false]
+  no-control-regex: 0
+  no-useless-escape: 2
diff --git a/node_modules/fast-json-stable-stringify/.github/FUNDING.yml b/node_modules/fast-json-stable-stringify/.github/FUNDING.yml
new file mode 100644
index 00000000..61f9daa9
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.github/FUNDING.yml
@@ -0,0 +1 @@
+tidelift: "npm/fast-json-stable-stringify"
diff --git a/node_modules/fast-json-stable-stringify/.travis.yml b/node_modules/fast-json-stable-stringify/.travis.yml
new file mode 100644
index 00000000..b61e8f0d
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "8"
+  - "10"
+  - "12"
+  - "13"
+after_script:
+  - coveralls < coverage/lcov.info
diff --git a/node_modules/fast-json-stable-stringify/LICENSE b/node_modules/fast-json-stable-stringify/LICENSE
new file mode 100644
index 00000000..c932223b
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/LICENSE
@@ -0,0 +1,21 @@
+This software is released under the MIT license:
+
+Copyright (c) 2017 Evgeny Poberezkin
+Copyright (c) 2013 James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/fast-json-stable-stringify/README.md b/node_modules/fast-json-stable-stringify/README.md
new file mode 100644
index 00000000..02cf49ff
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/README.md
@@ -0,0 +1,131 @@
+# fast-json-stable-stringify
+
+Deterministic `JSON.stringify()` - a faster version of [@substack](https://github.com/substack)'s json-stable-strigify without [jsonify](https://github.com/substack/jsonify).
+
+You can also pass in a custom comparison function.
+
+[![Build Status](https://travis-ci.org/epoberezkin/fast-json-stable-stringify.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-json-stable-stringify)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-json-stable-stringify/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-json-stable-stringify?branch=master)
+
+# example
+
+``` js
+var stringify = require('fast-json-stable-stringify');
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+console.log(stringify(obj));
+```
+
+output:
+
+```
+{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}
+```
+
+
+# methods
+
+``` js
+var stringify = require('fast-json-stable-stringify')
+```
+
+## var str = stringify(obj, opts)
+
+Return a deterministic stringified string `str` from the object `obj`.
+
+
+## options
+
+### cmp
+
+If `opts` is given, you can supply an `opts.cmp` to have a custom comparison
+function for object keys. Your function `opts.cmp` is called with these
+parameters:
+
+``` js
+opts.cmp({ key: akey, value: avalue }, { key: bkey, value: bvalue })
+```
+
+For example, to sort on the object key names in reverse order you could write:
+
+``` js
+var stringify = require('fast-json-stable-stringify');
+
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+var s = stringify(obj, function (a, b) {
+    return a.key < b.key ? 1 : -1;
+});
+console.log(s);
+```
+
+which results in the output string:
+
+```
+{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}
+```
+
+Or if you wanted to sort on the object values in reverse order, you could write:
+
+```
+var stringify = require('fast-json-stable-stringify');
+
+var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 };
+var s = stringify(obj, function (a, b) {
+    return a.value < b.value ? 1 : -1;
+});
+console.log(s);
+```
+
+which outputs:
+
+```
+{"d":6,"c":5,"b":[{"z":3,"y":2,"x":1},9],"a":10}
+```
+
+### cycles
+
+Pass `true` in `opts.cycles` to stringify circular property as `__cycle__` - the result will not be a valid JSON string in this case.
+
+TypeError will be thrown in case of circular object without this option.
+
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install fast-json-stable-stringify
+```
+
+
+# benchmark
+
+To run benchmark (requires Node.js 6+):
+```
+node benchmark
+```
+
+Results:
+```
+fast-json-stable-stringify x 17,189 ops/sec ±1.43% (83 runs sampled)
+json-stable-stringify x 13,634 ops/sec ±1.39% (85 runs sampled)
+fast-stable-stringify x 20,212 ops/sec ±1.20% (84 runs sampled)
+faster-stable-stringify x 15,549 ops/sec ±1.12% (84 runs sampled)
+The fastest is fast-stable-stringify
+```
+
+
+## Enterprise support
+
+fast-json-stable-stringify package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-json-stable-stringify?utm_source=npm-fast-json-stable-stringify&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues.
+
+
+# license
+
+[MIT](https://github.com/epoberezkin/fast-json-stable-stringify/blob/master/LICENSE)
diff --git a/node_modules/fast-json-stable-stringify/benchmark/index.js b/node_modules/fast-json-stable-stringify/benchmark/index.js
new file mode 100644
index 00000000..e725f9fc
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/benchmark/index.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const Benchmark = require('benchmark');
+const suite = new Benchmark.Suite;
+const testData = require('./test.json');
+
+
+const stringifyPackages = {
+  // 'JSON.stringify': JSON.stringify,
+  'fast-json-stable-stringify': require('../index'),
+  'json-stable-stringify': true,
+  'fast-stable-stringify': true,
+  'faster-stable-stringify': true
+};
+
+
+for (const name in stringifyPackages) {
+  let func = stringifyPackages[name];
+  if (func === true) func = require(name);
+
+  suite.add(name, function() {
+    func(testData);
+  });
+}
+
+suite
+  .on('cycle', (event) => console.log(String(event.target)))
+  .on('complete', function () {
+    console.log('The fastest is ' + this.filter('fastest').map('name'));
+  })
+  .run({async: true});
diff --git a/node_modules/fast-json-stable-stringify/benchmark/test.json b/node_modules/fast-json-stable-stringify/benchmark/test.json
new file mode 100644
index 00000000..c9118c11
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/benchmark/test.json
@@ -0,0 +1,137 @@
+[
+  {
+    "_id": "59ef4a83ee8364808d761beb",
+    "index": 0,
+    "guid": "e50ffae9-7128-4148-9ee5-40c3fc523c5d",
+    "isActive": false,
+    "balance": "$2,341.81",
+    "picture": "http://placehold.it/32x32",
+    "age": 28,
+    "eyeColor": "brown",
+    "name": "Carey Savage",
+    "gender": "female",
+    "company": "VERAQ",
+    "email": "careysavage@veraq.com",
+    "phone": "+1 (897) 574-3014",
+    "address": "458 Willow Street, Henrietta, California, 7234",
+    "about": "Nisi reprehenderit nulla ad officia pariatur non dolore laboris irure cupidatat laborum. Minim eu ex Lorem adipisicing exercitation irure minim sunt est enim mollit incididunt voluptate nulla. Ut mollit anim reprehenderit et aliqua ex esse aliquip. Aute sit duis deserunt do incididunt consequat minim qui dolor commodo deserunt et voluptate.\r\n",
+    "registered": "2014-05-21T01:56:51 -01:00",
+    "latitude": 63.89502,
+    "longitude": 62.369807,
+    "tags": [
+      "nostrud",
+      "nisi",
+      "consectetur",
+      "ullamco",
+      "cupidatat",
+      "culpa",
+      "commodo"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Henry Walls"
+      },
+      {
+        "id": 1,
+        "name": "Janice Baker"
+      },
+      {
+        "id": 2,
+        "name": "Russell Bush"
+      }
+    ],
+    "greeting": "Hello, Carey Savage! You have 4 unread messages.",
+    "favoriteFruit": "banana"
+  },
+  {
+    "_id": "59ef4a83ff5774a691454e89",
+    "index": 1,
+    "guid": "2bee9efc-4095-4c2e-87ef-d08c8054c89d",
+    "isActive": true,
+    "balance": "$1,618.15",
+    "picture": "http://placehold.it/32x32",
+    "age": 35,
+    "eyeColor": "blue",
+    "name": "Elinor Pearson",
+    "gender": "female",
+    "company": "FLEXIGEN",
+    "email": "elinorpearson@flexigen.com",
+    "phone": "+1 (923) 548-3751",
+    "address": "600 Bayview Avenue, Draper, Montana, 3088",
+    "about": "Mollit commodo ea sit Lorem velit. Irure anim esse Lorem sint quis officia ut. Aliqua nisi dolore in aute deserunt mollit ex ea in mollit.\r\n",
+    "registered": "2017-04-22T07:58:41 -01:00",
+    "latitude": -87.824919,
+    "longitude": 69.538927,
+    "tags": [
+      "fugiat",
+      "labore",
+      "proident",
+      "quis",
+      "eiusmod",
+      "qui",
+      "est"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Massey Wagner"
+      },
+      {
+        "id": 1,
+        "name": "Marcella Ferrell"
+      },
+      {
+        "id": 2,
+        "name": "Evans Mckee"
+      }
+    ],
+    "greeting": "Hello, Elinor Pearson! You have 3 unread messages.",
+    "favoriteFruit": "strawberry"
+  },
+  {
+    "_id": "59ef4a839ec8a4be4430b36b",
+    "index": 2,
+    "guid": "ddd6e8c0-95bd-416d-8b46-a768d6363809",
+    "isActive": false,
+    "balance": "$2,046.95",
+    "picture": "http://placehold.it/32x32",
+    "age": 40,
+    "eyeColor": "green",
+    "name": "Irwin Davidson",
+    "gender": "male",
+    "company": "DANJA",
+    "email": "irwindavidson@danja.com",
+    "phone": "+1 (883) 537-2041",
+    "address": "439 Cook Street, Chapin, Kentucky, 7398",
+    "about": "Irure velit non commodo aliqua exercitation ut nostrud minim magna. Dolor ad ad ut irure eu. Non pariatur dolor eiusmod ipsum do et exercitation cillum. Et amet laboris minim eiusmod ullamco magna ea reprehenderit proident sunt.\r\n",
+    "registered": "2016-09-01T07:49:08 -01:00",
+    "latitude": -49.803812,
+    "longitude": 104.93279,
+    "tags": [
+      "consequat",
+      "enim",
+      "quis",
+      "magna",
+      "est",
+      "culpa",
+      "tempor"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Ruth Hansen"
+      },
+      {
+        "id": 1,
+        "name": "Kathrine Austin"
+      },
+      {
+        "id": 2,
+        "name": "Rivera Munoz"
+      }
+    ],
+    "greeting": "Hello, Irwin Davidson! You have 2 unread messages.",
+    "favoriteFruit": "banana"
+  }
+]
diff --git a/node_modules/fast-json-stable-stringify/example/key_cmp.js b/node_modules/fast-json-stable-stringify/example/key_cmp.js
new file mode 100644
index 00000000..d5f66752
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/key_cmp.js
@@ -0,0 +1,7 @@
+var stringify = require('../');
+
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+var s = stringify(obj, function (a, b) {
+    return a.key < b.key ? 1 : -1;
+});
+console.log(s);
diff --git a/node_modules/fast-json-stable-stringify/example/nested.js b/node_modules/fast-json-stable-stringify/example/nested.js
new file mode 100644
index 00000000..9a672fc6
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/nested.js
@@ -0,0 +1,3 @@
+var stringify = require('../');
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+console.log(stringify(obj));
diff --git a/node_modules/fast-json-stable-stringify/example/str.js b/node_modules/fast-json-stable-stringify/example/str.js
new file mode 100644
index 00000000..9b4b3cd2
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/str.js
@@ -0,0 +1,3 @@
+var stringify = require('../');
+var obj = { c: 6, b: [4,5], a: 3 };
+console.log(stringify(obj));
diff --git a/node_modules/fast-json-stable-stringify/example/value_cmp.js b/node_modules/fast-json-stable-stringify/example/value_cmp.js
new file mode 100644
index 00000000..09f1c5f7
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/value_cmp.js
@@ -0,0 +1,7 @@
+var stringify = require('../');
+
+var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 };
+var s = stringify(obj, function (a, b) {
+    return a.value < b.value ? 1 : -1;
+});
+console.log(s);
diff --git a/node_modules/fast-json-stable-stringify/index.d.ts b/node_modules/fast-json-stable-stringify/index.d.ts
new file mode 100644
index 00000000..23e46caf
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/index.d.ts
@@ -0,0 +1,4 @@
+declare module 'fast-json-stable-stringify' {
+  function stringify(obj: any): string;
+  export = stringify;
+}
diff --git a/node_modules/fast-json-stable-stringify/index.js b/node_modules/fast-json-stable-stringify/index.js
new file mode 100644
index 00000000..c44e6a41
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/index.js
@@ -0,0 +1,59 @@
+'use strict';
+
+module.exports = function (data, opts) {
+    if (!opts) opts = {};
+    if (typeof opts === 'function') opts = { cmp: opts };
+    var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false;
+
+    var cmp = opts.cmp && (function (f) {
+        return function (node) {
+            return function (a, b) {
+                var aobj = { key: a, value: node[a] };
+                var bobj = { key: b, value: node[b] };
+                return f(aobj, bobj);
+            };
+        };
+    })(opts.cmp);
+
+    var seen = [];
+    return (function stringify (node) {
+        if (node && node.toJSON && typeof node.toJSON === 'function') {
+            node = node.toJSON();
+        }
+
+        if (node === undefined) return;
+        if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
+        if (typeof node !== 'object') return JSON.stringify(node);
+
+        var i, out;
+        if (Array.isArray(node)) {
+            out = '[';
+            for (i = 0; i < node.length; i++) {
+                if (i) out += ',';
+                out += stringify(node[i]) || 'null';
+            }
+            return out + ']';
+        }
+
+        if (node === null) return 'null';
+
+        if (seen.indexOf(node) !== -1) {
+            if (cycles) return JSON.stringify('__cycle__');
+            throw new TypeError('Converting circular structure to JSON');
+        }
+
+        var seenIndex = seen.push(node) - 1;
+        var keys = Object.keys(node).sort(cmp && cmp(node));
+        out = '';
+        for (i = 0; i < keys.length; i++) {
+            var key = keys[i];
+            var value = stringify(node[key]);
+
+            if (!value) continue;
+            if (out) out += ',';
+            out += JSON.stringify(key) + ':' + value;
+        }
+        seen.splice(seenIndex, 1);
+        return '{' + out + '}';
+    })(data);
+};
diff --git a/node_modules/fast-json-stable-stringify/package.json b/node_modules/fast-json-stable-stringify/package.json
new file mode 100644
index 00000000..ad2c8bff
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "fast-json-stable-stringify",
+  "version": "2.1.0",
+  "description": "deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "dependencies": {},
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "coveralls": "^3.0.0",
+    "eslint": "^6.7.0",
+    "fast-stable-stringify": "latest",
+    "faster-stable-stringify": "latest",
+    "json-stable-stringify": "latest",
+    "nyc": "^14.1.0",
+    "pre-commit": "^1.2.2",
+    "tape": "^4.11.0"
+  },
+  "scripts": {
+    "eslint": "eslint index.js test",
+    "test-spec": "tape test/*.js",
+    "test": "npm run eslint && nyc npm run test-spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/epoberezkin/fast-json-stable-stringify.git"
+  },
+  "homepage": "https://github.com/epoberezkin/fast-json-stable-stringify",
+  "keywords": [
+    "json",
+    "stringify",
+    "deterministic",
+    "hash",
+    "stable"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT",
+  "nyc": {
+    "exclude": [
+      "test",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  }
+}
diff --git a/node_modules/fast-json-stable-stringify/test/cmp.js b/node_modules/fast-json-stable-stringify/test/cmp.js
new file mode 100644
index 00000000..4efd6b59
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/cmp.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('custom comparison function', function (t) {
+    t.plan(1);
+    var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+    var s = stringify(obj, function (a, b) {
+        return a.key < b.key ? 1 : -1;
+    });
+    t.equal(s, '{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/nested.js b/node_modules/fast-json-stable-stringify/test/nested.js
new file mode 100644
index 00000000..167a358e
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/nested.js
@@ -0,0 +1,44 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('nested', function (t) {
+    t.plan(1);
+    var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+    t.equal(stringify(obj), '{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}');
+});
+
+test('cyclic (default)', function (t) {
+    t.plan(1);
+    var one = { a: 1 };
+    var two = { a: 2, one: one };
+    one.two = two;
+    try {
+        stringify(one);
+    } catch (ex) {
+        t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON');
+    }
+});
+
+test('cyclic (specifically allowed)', function (t) {
+    t.plan(1);
+    var one = { a: 1 };
+    var two = { a: 2, one: one };
+    one.two = two;
+    t.equal(stringify(one, {cycles:true}), '{"a":1,"two":{"a":2,"one":"__cycle__"}}');
+});
+
+test('repeated non-cyclic value', function(t) {
+    t.plan(1);
+    var one = { x: 1 };
+    var two = { a: one, b: one };
+    t.equal(stringify(two), '{"a":{"x":1},"b":{"x":1}}');
+});
+
+test('acyclic but with reused obj-property pointers', function (t) {
+    t.plan(1);
+    var x = { a: 1 };
+    var y = { b: x, c: x };
+    t.equal(stringify(y), '{"b":{"a":1},"c":{"a":1}}');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/str.js b/node_modules/fast-json-stable-stringify/test/str.js
new file mode 100644
index 00000000..99a9ade1
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/str.js
@@ -0,0 +1,46 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('simple object', function (t) {
+    t.plan(1);
+    var obj = { c: 6, b: [4,5], a: 3, z: null };
+    t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6,"z":null}');
+});
+
+test('object with undefined', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: undefined };
+    t.equal(stringify(obj), '{"a":3}');
+});
+
+test('object with null', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: null };
+    t.equal(stringify(obj), '{"a":3,"z":null}');
+});
+
+test('object with NaN and Infinity', function (t) {
+    t.plan(1);
+    var obj = { a: 3, b: NaN, c: Infinity };
+    t.equal(stringify(obj), '{"a":3,"b":null,"c":null}');
+});
+
+test('array with undefined', function (t) {
+    t.plan(1);
+    var obj = [4, undefined, 6];
+    t.equal(stringify(obj), '[4,null,6]');
+});
+
+test('object with empty string', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: '' };
+    t.equal(stringify(obj), '{"a":3,"z":""}');
+});
+
+test('array with empty string', function (t) {
+    t.plan(1);
+    var obj = [4, '', 6];
+    t.equal(stringify(obj), '[4,"",6]');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/to-json.js b/node_modules/fast-json-stable-stringify/test/to-json.js
new file mode 100644
index 00000000..2fb2cfa3
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/to-json.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('toJSON function', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return { one: 1 }; } };
+    t.equal(stringify(obj), '{"one":1}' );
+});
+
+test('toJSON returns string', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return 'one'; } };
+    t.equal(stringify(obj), '"one"');
+});
+
+test('toJSON returns array', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return ['one']; } };
+    t.equal(stringify(obj), '["one"]');
+});
diff --git a/node_modules/figgy-pudding/CHANGELOG.md b/node_modules/figgy-pudding/CHANGELOG.md
new file mode 100644
index 00000000..d702fa33
--- /dev/null
+++ b/node_modules/figgy-pudding/CHANGELOG.md
@@ -0,0 +1,156 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="3.5.2"></a>
+## [3.5.2](https://github.com/npm/figgy-pudding/compare/v3.5.1...v3.5.2) (2020-03-24)
+
+
+
+<a name="3.5.1"></a>
+## [3.5.1](https://github.com/npm/figgy-pudding/compare/v3.5.0...v3.5.1) (2018-08-25)
+
+
+
+<a name="3.5.0"></a>
+# [3.5.0](https://github.com/npm/figgy-pudding/compare/v3.4.1...v3.5.0) (2018-08-25)
+
+
+### Bug Fixes
+
+* **node:** get rid of Object.entries to add node6 support back ([074f779](https://github.com/npm/figgy-pudding/commit/074f779))
+
+
+### Features
+
+* **node:** add node@10 to CI config ([78b8937](https://github.com/npm/figgy-pudding/commit/78b8937))
+
+
+
+<a name="3.4.1"></a>
+## [3.4.1](https://github.com/npm/figgy-pudding/compare/v3.4.0...v3.4.1) (2018-08-16)
+
+
+### Bug Fixes
+
+* **forEach:** get forEach to behave like a normal forEach ([c064755](https://github.com/npm/figgy-pudding/commit/c064755))
+* **has:** get `in` keyword working right ([fafc5a8](https://github.com/npm/figgy-pudding/commit/fafc5a8))
+* **iteration:** fix and test iteration of opts.other keys ([7a76217](https://github.com/npm/figgy-pudding/commit/7a76217))
+* **iteration:** use proper args for forEach/toJSON ([974e879](https://github.com/npm/figgy-pudding/commit/974e879))
+* **proxy:** make sure proxy corner-cases work ok ([8c66e45](https://github.com/npm/figgy-pudding/commit/8c66e45))
+* **set:** fix and test the exceptions to writing ([206793b](https://github.com/npm/figgy-pudding/commit/206793b))
+
+
+
+<a name="3.4.0"></a>
+# [3.4.0](https://github.com/npm/figgy-pudding/compare/v3.3.0...v3.4.0) (2018-08-16)
+
+
+### Features
+
+* **iterator:** allow iteration over "other" keys ([3c53323](https://github.com/npm/figgy-pudding/commit/3c53323))
+
+
+
+<a name="3.3.0"></a>
+# [3.3.0](https://github.com/npm/figgy-pudding/compare/v3.2.1...v3.3.0) (2018-08-16)
+
+
+### Bug Fixes
+
+* **props:** allow symbols to pass through ([97b3464](https://github.com/npm/figgy-pudding/commit/97b3464))
+
+
+### Features
+
+* **pudding:** iteration and serialization support ([0aaa50d](https://github.com/npm/figgy-pudding/commit/0aaa50d))
+
+
+
+<a name="3.2.1"></a>
+## [3.2.1](https://github.com/npm/figgy-pudding/compare/v3.2.0...v3.2.1) (2018-08-15)
+
+
+### Bug Fixes
+
+* **aliases:** make reverse aliases work correctly ([76a255e](https://github.com/npm/figgy-pudding/commit/76a255e))
+
+
+
+<a name="3.2.0"></a>
+# [3.2.0](https://github.com/npm/figgy-pudding/compare/v3.1.0...v3.2.0) (2018-07-26)
+
+
+### Bug Fixes
+
+* **concat:** have concat spit out a proxy, too ([64e3495](https://github.com/npm/figgy-pudding/commit/64e3495))
+
+
+### Features
+
+* **default:** pass the pudding itself to default fns ([d9d9e09](https://github.com/npm/figgy-pudding/commit/d9d9e09))
+
+
+
+<a name="3.1.0"></a>
+# [3.1.0](https://github.com/npm/figgy-pudding/compare/v3.0.0...v3.1.0) (2018-04-08)
+
+
+### Features
+
+* **opts:** allow direct option fetching without .get() ([ca77aad](https://github.com/npm/figgy-pudding/commit/ca77aad))
+
+
+
+<a name="3.0.0"></a>
+# [3.0.0](https://github.com/npm/figgy-pudding/compare/v2.0.1...v3.0.0) (2018-04-06)
+
+
+### Bug Fixes
+
+* **ci:** oops -- forgot to update CI config ([7a40563](https://github.com/npm/figgy-pudding/commit/7a40563))
+* **get:** make provider lookup order like Object.assign ([33ff89b](https://github.com/npm/figgy-pudding/commit/33ff89b))
+
+
+### Features
+
+* **concat:** add .concat() method to opts ([d310fce](https://github.com/npm/figgy-pudding/commit/d310fce))
+
+
+### meta
+
+* drop support for node@4 and node@7 ([9f8a61c](https://github.com/npm/figgy-pudding/commit/9f8a61c))
+
+
+### BREAKING CHANGES
+
+* node@4 and node@7 are no longer supported
+* **get:** shadow order for properties in providers is reversed
+
+
+
+<a name="2.0.1"></a>
+## [2.0.1](https://github.com/npm/figgy-pudding/compare/v2.0.0...v2.0.1) (2018-03-16)
+
+
+### Bug Fixes
+
+* **opts:** ignore non-object providers ([7b9c0f8](https://github.com/npm/figgy-pudding/commit/7b9c0f8))
+
+
+
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/npm/figgy-pudding/compare/v1.0.0...v2.0.0) (2018-03-16)
+
+
+### Features
+
+* **api:** overhauled API with new opt handling concept ([e6cc929](https://github.com/npm/figgy-pudding/commit/e6cc929))
+* **license:** relicense to ISC ([87479aa](https://github.com/npm/figgy-pudding/commit/87479aa))
+
+
+### BREAKING CHANGES
+
+* **license:** the license has been changed from CC0-1.0 to ISC.
+* **api:** this is a completely different approach than previously
+used by this library. See the readme for the new API and an explanation.
diff --git a/node_modules/figgy-pudding/LICENSE.md b/node_modules/figgy-pudding/LICENSE.md
new file mode 100644
index 00000000..8d28acf8
--- /dev/null
+++ b/node_modules/figgy-pudding/LICENSE.md
@@ -0,0 +1,16 @@
+ISC License
+
+Copyright (c) npm, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted, provided that the
+above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE COPYRIGHT HOLDER DISCLAIMS
+ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/figgy-pudding/README.md b/node_modules/figgy-pudding/README.md
new file mode 100644
index 00000000..425a8372
--- /dev/null
+++ b/node_modules/figgy-pudding/README.md
@@ -0,0 +1,268 @@
+# Note: pending imminent deprecation
+
+**This module will be deprecated once npm v7 is released.  Please do not rely
+on it more than absolutely necessary (ie, only if you are depending on
+it for use with npm v6 internal dependencies).**
+
+----
+
+# figgy-pudding [![npm version](https://img.shields.io/npm/v/figgy-pudding.svg)](https://npm.im/figgy-pudding) [![license](https://img.shields.io/npm/l/figgy-pudding.svg)](https://npm.im/figgy-pudding) [![Travis](https://img.shields.io/travis/npm/figgy-pudding.svg)](https://travis-ci.org/npm/figgy-pudding) [![Coverage Status](https://coveralls.io/repos/github/npm/figgy-pudding/badge.svg?branch=latest)](https://coveralls.io/github/npm/figgy-pudding?branch=latest)
+
+[`figgy-pudding`](https://github.com/npm/figgy-pudding) is a small JavaScript
+library for managing and composing cascading options objects -- hiding what
+needs to be hidden from each layer, without having to do a lot of manual munging
+and passing of options.
+
+### The God Object is Dead!
+### Now Bring Us Some Figgy Pudding!
+
+## Install
+
+`$ npm install figgy-pudding`
+
+## Table of Contents
+
+* [Example](#example)
+* [Features](#features)
+* [API](#api)
+  * [`figgyPudding(spec)`](#figgy-pudding)
+  * [`PuddingFactory(values)`](#pudding-factory)
+    * [`opts.get()`](#opts-get)
+    * [`opts.concat()`](#opts-concat)
+    * [`opts.toJSON()`](#opts-to-json)
+    * [`opts.forEach()`](#opts-for-each)
+    * [`opts[Symbol.iterator]()`](#opts-symbol-iterator)
+    * [`opts.entries()`](#opts-entries)
+    * [`opts.keys()`](#opts-keys)
+    * [`opts.value()`](#opts-values)
+
+### Example
+
+```javascript
+// print-package.js
+const fetch = require('./fetch.js')
+const puddin = require('figgy-pudding')
+
+const PrintOpts = puddin({
+  json: { default: false }
+})
+
+async function printPkg (name, opts) {
+  // Expected pattern is to call this in every interface function. If `opts` is
+  // not passed in, it will automatically create an (empty) object for it.
+  opts = PrintOpts(opts)
+  const uri = `https://registry.npmjs.com/${name}`
+  const res = await fetch(uri, opts.concat({
+    // Add or override any passed-in configs and pass them down.
+    log: customLogger
+  }))
+  // The following would throw an error, because it's not in PrintOpts:
+  // console.log(opts.log)
+  if (opts.json) {
+    return res.json()
+  } else {
+    return res.text()
+  }
+}
+
+console.log(await printPkg('figgy', {
+  // Pass in *all* configs at the toplevel, as a regular object.
+  json: true,
+  cache: './tmp-cache'
+}))
+```
+
+```javascript
+// fetch.js
+const puddin = require('figgy-pudding')
+
+const FetchOpts = puddin({
+  log: { default: require('npmlog') },
+  cache: {}
+})
+
+module.exports = async function (..., opts) {
+  opts = FetchOpts(opts)
+}
+```
+
+### Features
+
+* hide options from layer that didn't ask for it
+* shared multi-layer options
+* make sure `opts` argument is available
+* transparent key access like normal keys, through a Proxy. No need for`.get()`!
+* default values
+* key aliases
+* arbitrary key filter functions
+* key/value iteration
+* serialization
+* 100% test coverage using `tap --100`
+
+### API
+
+#### <a name="figgy-pudding"></a> `> figgyPudding({ key: { default: val } | String }, [opts]) -> PuddingFactory`
+
+Defines an Options constructor that can be used to collect only the needed
+options.
+
+An optional `default` property for specs can be used to specify default values
+if nothing was passed in.
+
+If the value for a spec is a string, it will be treated as an alias to that
+other key.
+
+##### Example
+
+```javascript
+const MyAppOpts = figgyPudding({
+  lg: 'log',
+  log: {
+    default: () => require('npmlog')
+  },
+  cache: {}
+})
+```
+
+#### <a name="pudding-factory"></a> `> PuddingFactory(...providers) -> FiggyPudding{}`
+
+Instantiates an options object defined by `figgyPudding()`, which uses
+`providers`, in order, to find requested properties.
+
+Each provider can be either a plain object, a `Map`-like object (that is, one
+with a `.get()` method) or another figgyPudding `Opts` object.
+
+When nesting `Opts` objects, their properties will not become available to the
+new object, but any further nested `Opts` that reference that property _will_ be
+able to read from their grandparent, as long as they define that key. Default
+values for nested `Opts` parents will be used, if found.
+
+##### Example
+
+```javascript
+const ReqOpts = figgyPudding({
+  follow: {}
+})
+
+const opts = ReqOpts({
+  follow: true,
+  log: require('npmlog')
+})
+
+opts.follow // => true
+opts.log // => Error: ReqOpts does not define `log`
+
+const MoreOpts = figgyPudding({
+  log: {}
+})
+MoreOpts(opts).log // => npmlog object (passed in from original plain obj)
+MoreOpts(opts).follow // => Error: MoreOpts does not define `follow`
+```
+
+#### <a name="opts-get"></a> `> opts.get(key) -> Value`
+
+Gets a value from the options object.
+
+##### Example
+
+```js
+const opts = MyOpts(config)
+opts.get('foo') // value of `foo`
+opts.foo // Proxy-based access through `.get()`
+```
+
+#### <a name="opts-concat"></a> `> opts.concat(...moreProviders) -> FiggyPudding{}`
+
+Creates a new opts object of the same type as `opts` with additional providers.
+Providers further to the right shadow providers to the left, with properties in
+the original `opts` being shadows by the new providers.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1})
+opts.get('x') // 1
+opts.concat({x: 2}).get('x') // 2
+opts.get('x') // 1 (original opts object left intact)
+```
+
+#### <a name="opts-to-json"></a> `> opts.toJSON() -> Value`
+
+Converts `opts` to a plain, JSON-stringifiable JavaScript value. Used internally
+by JavaScript to get `JSON.stringify()` working.
+
+Only keys that are readable by the current pudding type will be serialized.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1})
+opts.toJSON() // {x: 1}
+JSON.stringify(opts) // '{"x":1}'
+```
+
+#### <a name="opts-for-each"></a> `> opts.forEach((value, key, opts) => {}, thisArg) -> undefined`
+
+Iterates over the values of `opts`, limited to the keys readable by the current
+pudding type. `thisArg` will be used to set the `this` argument when calling the
+`fn`.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1, y: 2})
+opts.forEach((value, key) => console.log(key, '=', value))
+```
+
+#### <a name="opts-entries"></a> `> opts.entries() -> Iterator<[[key, value], ...]>`
+
+Returns an iterator that iterates over the keys and values in `opts`, limited to
+the keys readable by the current pudding type. Each iteration returns an array
+of `[key, value]`.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1, y: 2})
+[...opts({x: 1, y: 2}).entries()] // [['x', 1], ['y', 2]]
+```
+
+#### <a name="opts-symbol-iterator"></a> `> opts[Symbol.iterator]() -> Iterator<[[key, value], ...]>`
+
+Returns an iterator that iterates over the keys and values in `opts`, limited to
+the keys readable by the current pudding type. Each iteration returns an array
+of `[key, value]`. Makes puddings work natively with JS iteration mechanisms.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1, y: 2})
+[...opts({x: 1, y: 2})] // [['x', 1], ['y', 2]]
+for (let [key, value] of opts({x: 1, y: 2})) {
+  console.log(key, '=', value)
+}
+```
+
+#### <a name="opts-keys"></a> `> opts.keys() -> Iterator<[key, ...]>`
+
+Returns an iterator that iterates over the keys in `opts`, limited to the keys
+readable by the current pudding type.
+
+##### Example
+
+```js
+const opts = MyOpts({x: 1, y: 2})
+[...opts({x: 1, y: 2}).keys()] // ['x', 'y']
+```
+
+#### <a name="opts-values"></a> `> opts.values() -> Iterator<[value, ...]>`
+
+Returns an iterator that iterates over the values in `opts`, limited to the keys
+readable by the current pudding type.
+
+##### Example
+'
+```js
+const opts = MyOpts({x: 1, y: 2})
+[...opts({x: 1, y: 2}).values()] // [1, 2]
+```
diff --git a/node_modules/figgy-pudding/index.js b/node_modules/figgy-pudding/index.js
new file mode 100644
index 00000000..bb7d5711
--- /dev/null
+++ b/node_modules/figgy-pudding/index.js
@@ -0,0 +1,197 @@
+'use strict'
+
+class FiggyPudding {
+  constructor (specs, opts, providers) {
+    this.__specs = specs || {}
+    Object.keys(this.__specs).forEach(alias => {
+      if (typeof this.__specs[alias] === 'string') {
+        const key = this.__specs[alias]
+        const realSpec = this.__specs[key]
+        if (realSpec) {
+          const aliasArr = realSpec.aliases || []
+          aliasArr.push(alias, key)
+          realSpec.aliases = [...(new Set(aliasArr))]
+          this.__specs[alias] = realSpec
+        } else {
+          throw new Error(`Alias refers to invalid key: ${key} -> ${alias}`)
+        }
+      }
+    })
+    this.__opts = opts || {}
+    this.__providers = reverse((providers).filter(
+      x => x != null && typeof x === 'object'
+    ))
+    this.__isFiggyPudding = true
+  }
+  get (key) {
+    return pudGet(this, key, true)
+  }
+  get [Symbol.toStringTag] () { return 'FiggyPudding' }
+  forEach (fn, thisArg = this) {
+    for (let [key, value] of this.entries()) {
+      fn.call(thisArg, value, key, this)
+    }
+  }
+  toJSON () {
+    const obj = {}
+    this.forEach((val, key) => {
+      obj[key] = val
+    })
+    return obj
+  }
+  * entries (_matcher) {
+    for (let key of Object.keys(this.__specs)) {
+      yield [key, this.get(key)]
+    }
+    const matcher = _matcher || this.__opts.other
+    if (matcher) {
+      const seen = new Set()
+      for (let p of this.__providers) {
+        const iter = p.entries ? p.entries(matcher) : entries(p)
+        for (let [key, val] of iter) {
+          if (matcher(key) && !seen.has(key)) {
+            seen.add(key)
+            yield [key, val]
+          }
+        }
+      }
+    }
+  }
+  * [Symbol.iterator] () {
+    for (let [key, value] of this.entries()) {
+      yield [key, value]
+    }
+  }
+  * keys () {
+    for (let [key] of this.entries()) {
+      yield key
+    }
+  }
+  * values () {
+    for (let [, value] of this.entries()) {
+      yield value
+    }
+  }
+  concat (...moreConfig) {
+    return new Proxy(new FiggyPudding(
+      this.__specs,
+      this.__opts,
+      reverse(this.__providers).concat(moreConfig)
+    ), proxyHandler)
+  }
+}
+try {
+  const util = require('util')
+  FiggyPudding.prototype[util.inspect.custom] = function (depth, opts) {
+    return (
+      this[Symbol.toStringTag] + ' '
+    ) + util.inspect(this.toJSON(), opts)
+  }
+} catch (e) {}
+
+function BadKeyError (key) {
+  throw Object.assign(new Error(
+    `invalid config key requested: ${key}`
+  ), {code: 'EBADKEY'})
+}
+
+function pudGet (pud, key, validate) {
+  let spec = pud.__specs[key]
+  if (validate && !spec && (!pud.__opts.other || !pud.__opts.other(key))) {
+    BadKeyError(key)
+  } else {
+    if (!spec) { spec = {} }
+    let ret
+    for (let p of pud.__providers) {
+      ret = tryGet(key, p)
+      if (ret === undefined && spec.aliases && spec.aliases.length) {
+        for (let alias of spec.aliases) {
+          if (alias === key) { continue }
+          ret = tryGet(alias, p)
+          if (ret !== undefined) {
+            break
+          }
+        }
+      }
+      if (ret !== undefined) {
+        break
+      }
+    }
+    if (ret === undefined && spec.default !== undefined) {
+      if (typeof spec.default === 'function') {
+        return spec.default(pud)
+      } else {
+        return spec.default
+      }
+    } else {
+      return ret
+    }
+  }
+}
+
+function tryGet (key, p) {
+  let ret
+  if (p.__isFiggyPudding) {
+    ret = pudGet(p, key, false)
+  } else if (typeof p.get === 'function') {
+    ret = p.get(key)
+  } else {
+    ret = p[key]
+  }
+  return ret
+}
+
+const proxyHandler = {
+  has (obj, prop) {
+    return prop in obj.__specs && pudGet(obj, prop, false) !== undefined
+  },
+  ownKeys (obj) {
+    return Object.keys(obj.__specs)
+  },
+  get (obj, prop) {
+    if (
+      typeof prop === 'symbol' ||
+      prop.slice(0, 2) === '__' ||
+      prop in FiggyPudding.prototype
+    ) {
+      return obj[prop]
+    }
+    return obj.get(prop)
+  },
+  set (obj, prop, value) {
+    if (
+      typeof prop === 'symbol' ||
+      prop.slice(0, 2) === '__'
+    ) {
+      obj[prop] = value
+      return true
+    } else {
+      throw new Error('figgyPudding options cannot be modified. Use .concat() instead.')
+    }
+  },
+  deleteProperty () {
+    throw new Error('figgyPudding options cannot be deleted. Use .concat() and shadow them instead.')
+  }
+}
+
+module.exports = figgyPudding
+function figgyPudding (specs, opts) {
+  function factory (...providers) {
+    return new Proxy(new FiggyPudding(
+      specs,
+      opts,
+      providers
+    ), proxyHandler)
+  }
+  return factory
+}
+
+function reverse (arr) {
+  const ret = []
+  arr.forEach(x => ret.unshift(x))
+  return ret
+}
+
+function entries (obj) {
+  return Object.keys(obj).map(k => [k, obj[k]])
+}
diff --git a/node_modules/figgy-pudding/package.json b/node_modules/figgy-pudding/package.json
new file mode 100644
index 00000000..be7b2b11
--- /dev/null
+++ b/node_modules/figgy-pudding/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "figgy-pudding",
+  "version": "3.5.2",
+  "description": "Delicious, festive, cascading config/opts definitions",
+  "main": "index.js",
+  "files": [
+    "*.js",
+    "lib"
+  ],
+  "scripts": {
+    "prerelease": "npm t",
+    "postrelease": "npm publish && git push --follow-tags",
+    "pretest": "standard",
+    "release": "standard-version -s",
+    "test": "tap -J --100 --coverage test/*.js"
+  },
+  "repository": "https://github.com/npm/figgy-pudding",
+  "keywords": [
+    "config",
+    "options",
+    "yummy"
+  ],
+  "author": "Kat Marchán <kzm@sykosomatic.org>",
+  "license": "ISC",
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "^11.0.1",
+    "standard-version": "^4.4.0",
+    "tap": "^12.0.1"
+  }
+}
diff --git a/node_modules/fill-range/LICENSE b/node_modules/fill-range/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/fill-range/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/fill-range/README.md b/node_modules/fill-range/README.md
new file mode 100644
index 00000000..bc1f8a04
--- /dev/null
+++ b/node_modules/fill-range/README.md
@@ -0,0 +1,250 @@
+# fill-range [![NPM version](https://img.shields.io/npm/v/fill-range.svg?style=flat)](https://www.npmjs.com/package/fill-range) [![NPM monthly downloads](https://img.shields.io/npm/dm/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range)  [![NPM total downloads](https://img.shields.io/npm/dt/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/fill-range.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/fill-range)
+
+> Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`
+
+## Table of Contents
+
+- [Install](#install)
+- [Usage](#usage)
+- [Examples](#examples)
+- [Options](#options)
+  * [options.step](#optionsstep)
+  * [options.strictRanges](#optionsstrictranges)
+  * [options.stringify](#optionsstringify)
+  * [options.toRegex](#optionstoregex)
+  * [options.transform](#optionstransform)
+- [About](#about)
+
+_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save fill-range
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add fill-range
+```
+
+## Usage
+
+Expands numbers and letters, optionally using a `step` as the last argument. _(Numbers may be defined as JavaScript numbers or strings)_.
+
+```js
+var fill = require('fill-range');
+fill(from, to[, step, options]);
+
+// examples
+console.log(fill('1', '10'));                  //=> '[ '1', '2', '3', '4', '5', '6', '7', '8', '9', '10' ]'
+console.log(fill('1', '10', {toRegex: true})); //=> [1-9]|10
+```
+
+**Params**
+
+* `from`: **{String|Number}** the number or letter to start with
+* `to`: **{String|Number}** the number or letter to end with
+* `step`: **{String|Number|Object|Function}** Optionally pass a [step](#optionsstep) to use.
+* `options`: **{Object|Function}**: See all available [options](#options)
+
+## Examples
+
+By default, an array of values is returned.
+
+**Alphabetical ranges**
+
+```js
+console.log(fill('a', 'e')); //=> ['a', 'b', 'c', 'd', 'e']
+console.log(fill('A', 'E')); //=> [ 'A', 'B', 'C', 'D', 'E' ]
+```
+
+**Numerical ranges**
+
+Numbers can be defined as actual numbers or strings.
+
+```js
+console.log(fill(1, 5));     //=> [ 1, 2, 3, 4, 5 ]
+console.log(fill('1', '5')); //=> [ 1, 2, 3, 4, 5 ]
+```
+
+**Negative ranges**
+
+Numbers can be defined as actual numbers or strings.
+
+```js
+console.log(fill('-5', '-1')); //=> [ '-5', '-4', '-3', '-2', '-1' ]
+console.log(fill('-5', '5')); //=> [ '-5', '-4', '-3', '-2', '-1', '0', '1', '2', '3', '4', '5' ]
+```
+
+**Steps (increments)**
+
+```js
+// numerical ranges with increments
+console.log(fill('0', '25', 4)); //=> [ '0', '4', '8', '12', '16', '20', '24' ]
+console.log(fill('0', '25', 5)); //=> [ '0', '5', '10', '15', '20', '25' ]
+console.log(fill('0', '25', 6)); //=> [ '0', '6', '12', '18', '24' ]
+
+// alphabetical ranges with increments
+console.log(fill('a', 'z', 4)); //=> [ 'a', 'e', 'i', 'm', 'q', 'u', 'y' ]
+console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
+console.log(fill('a', 'z', 6)); //=> [ 'a', 'g', 'm', 's', 'y' ]
+```
+
+## Options
+
+### options.step
+
+**Type**: `number` (formatted as a string or number)
+
+**Default**: `undefined`
+
+**Description**: The increment to use for the range. Can be used with letters or numbers.
+
+**Example(s)**
+
+```js
+// numbers
+console.log(fill('1', '10', 2)); //=> [ '1', '3', '5', '7', '9' ]
+console.log(fill('1', '10', 3)); //=> [ '1', '4', '7', '10' ]
+console.log(fill('1', '10', 4)); //=> [ '1', '5', '9' ]
+
+// letters
+console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
+console.log(fill('a', 'z', 7)); //=> [ 'a', 'h', 'o', 'v' ]
+console.log(fill('a', 'z', 9)); //=> [ 'a', 'j', 's' ]
+```
+
+### options.strictRanges
+
+**Type**: `boolean`
+
+**Default**: `false`
+
+**Description**: By default, `null` is returned when an invalid range is passed. Enable this option to throw a `RangeError` on invalid ranges.
+
+**Example(s)**
+
+The following are all invalid:
+
+```js
+fill('1.1', '2');   // decimals not supported in ranges
+fill('a', '2');     // incompatible range values
+fill(1, 10, 'foo'); // invalid "step" argument
+```
+
+### options.stringify
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+**Description**: Cast all returned values to strings. By default, integers are returned as numbers.
+
+**Example(s)**
+
+```js
+console.log(fill(1, 5));                    //=> [ 1, 2, 3, 4, 5 ]
+console.log(fill(1, 5, {stringify: true})); //=> [ '1', '2', '3', '4', '5' ]
+```
+
+### options.toRegex
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+**Description**: Create a regex-compatible source string, instead of expanding values to an array.
+
+**Example(s)**
+
+```js
+// alphabetical range
+console.log(fill('a', 'e', {toRegex: true})); //=> '[a-e]'
+// alphabetical with step
+console.log(fill('a', 'z', 3, {toRegex: true})); //=> 'a|d|g|j|m|p|s|v|y'
+// numerical range
+console.log(fill('1', '100', {toRegex: true})); //=> '[1-9]|[1-9][0-9]|100'
+// numerical range with zero padding
+console.log(fill('000001', '100000', {toRegex: true}));
+//=> '0{5}[1-9]|0{4}[1-9][0-9]|0{3}[1-9][0-9]{2}|0{2}[1-9][0-9]{3}|0[1-9][0-9]{4}|100000'
+```
+
+### options.transform
+
+**Type**: `function`
+
+**Default**: `undefined`
+
+**Description**: Customize each value in the returned array (or [string](#optionstoRegex)). _(you can also pass this function as the last argument to `fill()`)_.
+
+**Example(s)**
+
+```js
+// increase padding by two
+var arr = fill('01', '05', function(val, a, b, step, idx, arr, options) {
+  return repeat('0', (options.maxLength + 2) - val.length) + val;
+});
+
+console.log(arr);
+//=> ['0001', '0002', '0003', '0004', '0005']
+```
+
+## About
+
+### Related projects
+
+* [braces](https://www.npmjs.com/package/braces): Fast, comprehensive, bash-like brace expansion implemented in JavaScript. Complete support for the Bash 4.3 braces… [more](https://github.com/jonschlinkert/braces) | [homepage](https://github.com/jonschlinkert/braces "Fast, comprehensive, bash-like brace expansion implemented in JavaScript. Complete support for the Bash 4.3 braces specification, without sacrificing speed.")
+* [expand-range](https://www.npmjs.com/package/expand-range): Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. See… [more](https://github.com/jonschlinkert/expand-range) | [homepage](https://github.com/jonschlinkert/expand-range "Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. See the benchmarks. Used by micromatch.")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+* [to-regex-range](https://www.npmjs.com/package/to-regex-range): Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than… [more](https://github.com/jonschlinkert/to-regex-range) | [homepage](https://github.com/jonschlinkert/to-regex-range "Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.87 million test assertions.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 103 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 2   | [paulmillr](https://github.com/paulmillr) |  
+| 1   | [edorivai](https://github.com/edorivai) |  
+| 1   | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |  
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 23, 2017._
\ No newline at end of file
diff --git a/node_modules/fill-range/index.js b/node_modules/fill-range/index.js
new file mode 100644
index 00000000..294a2edd
--- /dev/null
+++ b/node_modules/fill-range/index.js
@@ -0,0 +1,208 @@
+/*!
+ * fill-range <https://github.com/jonschlinkert/fill-range>
+ *
+ * Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var util = require('util');
+var isNumber = require('is-number');
+var extend = require('extend-shallow');
+var repeat = require('repeat-string');
+var toRegex = require('to-regex-range');
+
+/**
+ * Return a range of numbers or letters.
+ *
+ * @param  {String} `start` Start of the range
+ * @param  {String} `stop` End of the range
+ * @param  {String} `step` Increment or decrement to use.
+ * @param  {Function} `fn` Custom function to modify each element in the range.
+ * @return {Array}
+ */
+
+function fillRange(start, stop, step, options) {
+  if (typeof start === 'undefined') {
+    return [];
+  }
+
+  if (typeof stop === 'undefined' || start === stop) {
+    // special case, for handling negative zero
+    var isString = typeof start === 'string';
+    if (isNumber(start) && !toNumber(start)) {
+      return [isString ? '0' : 0];
+    }
+    return [start];
+  }
+
+  if (typeof step !== 'number' && typeof step !== 'string') {
+    options = step;
+    step = undefined;
+  }
+
+  if (typeof options === 'function') {
+    options = { transform: options };
+  }
+
+  var opts = extend({step: step}, options);
+  if (opts.step && !isValidNumber(opts.step)) {
+    if (opts.strictRanges === true) {
+      throw new TypeError('expected options.step to be a number');
+    }
+    return [];
+  }
+
+  opts.isNumber = isValidNumber(start) && isValidNumber(stop);
+  if (!opts.isNumber && !isValid(start, stop)) {
+    if (opts.strictRanges === true) {
+      throw new RangeError('invalid range arguments: ' + util.inspect([start, stop]));
+    }
+    return [];
+  }
+
+  opts.isPadded = isPadded(start) || isPadded(stop);
+  opts.toString = opts.stringify
+    || typeof opts.step === 'string'
+    || typeof start === 'string'
+    || typeof stop === 'string'
+    || !opts.isNumber;
+
+  if (opts.isPadded) {
+    opts.maxLength = Math.max(String(start).length, String(stop).length);
+  }
+
+  // support legacy minimatch/fill-range options
+  if (typeof opts.optimize === 'boolean') opts.toRegex = opts.optimize;
+  if (typeof opts.makeRe === 'boolean') opts.toRegex = opts.makeRe;
+  return expand(start, stop, opts);
+}
+
+function expand(start, stop, options) {
+  var a = options.isNumber ? toNumber(start) : start.charCodeAt(0);
+  var b = options.isNumber ? toNumber(stop) : stop.charCodeAt(0);
+
+  var step = Math.abs(toNumber(options.step)) || 1;
+  if (options.toRegex && step === 1) {
+    return toRange(a, b, start, stop, options);
+  }
+
+  var zero = {greater: [], lesser: []};
+  var asc = a < b;
+  var arr = new Array(Math.round((asc ? b - a : a - b) / step));
+  var idx = 0;
+
+  while (asc ? a <= b : a >= b) {
+    var val = options.isNumber ? a : String.fromCharCode(a);
+    if (options.toRegex && (val >= 0 || !options.isNumber)) {
+      zero.greater.push(val);
+    } else {
+      zero.lesser.push(Math.abs(val));
+    }
+
+    if (options.isPadded) {
+      val = zeros(val, options);
+    }
+
+    if (options.toString) {
+      val = String(val);
+    }
+
+    if (typeof options.transform === 'function') {
+      arr[idx++] = options.transform(val, a, b, step, idx, arr, options);
+    } else {
+      arr[idx++] = val;
+    }
+
+    if (asc) {
+      a += step;
+    } else {
+      a -= step;
+    }
+  }
+
+  if (options.toRegex === true) {
+    return toSequence(arr, zero, options);
+  }
+  return arr;
+}
+
+function toRange(a, b, start, stop, options) {
+  if (options.isPadded) {
+    return toRegex(start, stop, options);
+  }
+
+  if (options.isNumber) {
+    return toRegex(Math.min(a, b), Math.max(a, b), options);
+  }
+
+  var start = String.fromCharCode(Math.min(a, b));
+  var stop = String.fromCharCode(Math.max(a, b));
+  return '[' + start + '-' + stop + ']';
+}
+
+function toSequence(arr, zeros, options) {
+  var greater = '', lesser = '';
+  if (zeros.greater.length) {
+    greater = zeros.greater.join('|');
+  }
+  if (zeros.lesser.length) {
+    lesser = '-(' + zeros.lesser.join('|') + ')';
+  }
+  var res = greater && lesser
+    ? greater + '|' + lesser
+    : greater || lesser;
+
+  if (options.capture) {
+    return '(' + res + ')';
+  }
+  return res;
+}
+
+function zeros(val, options) {
+  if (options.isPadded) {
+    var str = String(val);
+    var len = str.length;
+    var dash = '';
+    if (str.charAt(0) === '-') {
+      dash = '-';
+      str = str.slice(1);
+    }
+    var diff = options.maxLength - len;
+    var pad = repeat('0', diff);
+    val = (dash + pad + str);
+  }
+  if (options.stringify) {
+    return String(val);
+  }
+  return val;
+}
+
+function toNumber(val) {
+  return Number(val) || 0;
+}
+
+function isPadded(str) {
+  return /^-?0\d/.test(str);
+}
+
+function isValid(min, max) {
+  return (isValidNumber(min) || isValidLetter(min))
+      && (isValidNumber(max) || isValidLetter(max));
+}
+
+function isValidLetter(ch) {
+  return typeof ch === 'string' && ch.length === 1 && /^\w+$/.test(ch);
+}
+
+function isValidNumber(n) {
+  return isNumber(n) && !/\./.test(n);
+}
+
+/**
+ * Expose `fillRange`
+ * @type {Function}
+ */
+
+module.exports = fillRange;
diff --git a/node_modules/fill-range/node_modules/extend-shallow/LICENSE b/node_modules/fill-range/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/fill-range/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/fill-range/node_modules/extend-shallow/README.md b/node_modules/fill-range/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/fill-range/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/fill-range/node_modules/extend-shallow/index.js b/node_modules/fill-range/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/fill-range/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/fill-range/node_modules/extend-shallow/package.json b/node_modules/fill-range/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/fill-range/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/fill-range/node_modules/is-extendable/LICENSE b/node_modules/fill-range/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/fill-range/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/fill-range/node_modules/is-extendable/README.md b/node_modules/fill-range/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/fill-range/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/fill-range/node_modules/is-extendable/index.js b/node_modules/fill-range/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/fill-range/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/fill-range/node_modules/is-extendable/package.json b/node_modules/fill-range/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/fill-range/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/fill-range/package.json b/node_modules/fill-range/package.json
new file mode 100644
index 00000000..fa17dd21
--- /dev/null
+++ b/node_modules/fill-range/package.json
@@ -0,0 +1,82 @@
+{
+  "name": "fill-range",
+  "description": "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`",
+  "version": "4.0.0",
+  "homepage": "https://github.com/jonschlinkert/fill-range",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "<wtgtybhertgeghgtwtg@gmail.com> (https://github.com/wtgtybhertgeghgtwtg)",
+    "Edo Rivai <edo.rivai@gmail.com> (edo.rivai.nl)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)",
+    "Paul Miller <paul+gh@paulmillr.com> (paulmillr.com)"
+  ],
+  "repository": "jonschlinkert/fill-range",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/fill-range/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "extend-shallow": "^2.0.1",
+    "is-number": "^3.0.0",
+    "repeat-string": "^1.6.1",
+    "to-regex-range": "^2.1.0"
+  },
+  "devDependencies": {
+    "ansi-cyan": "^0.1.1",
+    "benchmarked": "^1.0.0",
+    "gulp-format-md": "^0.1.12",
+    "minimist": "^1.2.0",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "alpha",
+    "alphabetical",
+    "array",
+    "bash",
+    "brace",
+    "expand",
+    "expansion",
+    "fill",
+    "glob",
+    "match",
+    "matches",
+    "matching",
+    "number",
+    "numerical",
+    "range",
+    "ranges",
+    "regex",
+    "sh"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "braces",
+        "expand-range",
+        "micromatch",
+        "to-regex-range"
+      ]
+    },
+    "toc": true,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/find-cache-dir/index.js b/node_modules/find-cache-dir/index.js
new file mode 100644
index 00000000..05dd5fc2
--- /dev/null
+++ b/node_modules/find-cache-dir/index.js
@@ -0,0 +1,32 @@
+'use strict';
+const path = require('path');
+const commonDir = require('commondir');
+const pkgDir = require('pkg-dir');
+const makeDir = require('make-dir');
+
+module.exports = (options = {}) => {
+	const {name} = options;
+	let directory = options.cwd;
+
+	if (options.files) {
+		directory = commonDir(directory, options.files);
+	} else {
+		directory = directory || process.cwd();
+	}
+
+	directory = pkgDir.sync(directory);
+
+	if (directory) {
+		directory = path.join(directory, 'node_modules', '.cache', name);
+
+		if (directory && options.create) {
+			makeDir.sync(directory);
+		}
+
+		if (options.thunk) {
+			return (...arguments_) => path.join(directory, ...arguments_);
+		}
+	}
+
+	return directory;
+};
diff --git a/node_modules/find-cache-dir/license b/node_modules/find-cache-dir/license
new file mode 100644
index 00000000..32a380af
--- /dev/null
+++ b/node_modules/find-cache-dir/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) James Talmage <james@talmage.io> (github.com/jamestalmage)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/find-cache-dir/package.json b/node_modules/find-cache-dir/package.json
new file mode 100644
index 00000000..10957ede
--- /dev/null
+++ b/node_modules/find-cache-dir/package.json
@@ -0,0 +1,42 @@
+{
+	"name": "find-cache-dir",
+	"version": "2.1.0",
+	"description": "Finds the common standard cache directory",
+	"license": "MIT",
+	"repository": "avajs/find-cache-dir",
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && nyc ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"cache",
+		"directory",
+		"dir",
+		"caching",
+		"find",
+		"search"
+	],
+	"dependencies": {
+		"commondir": "^1.0.1",
+		"make-dir": "^2.0.0",
+		"pkg-dir": "^3.0.0"
+	},
+	"devDependencies": {
+		"ava": "^1.3.1",
+		"coveralls": "^3.0.3",
+		"del": "^4.0.0",
+		"nyc": "^13.3.0",
+		"xo": "^0.24.0"
+	},
+	"nyc": {
+		"reporter": [
+			"lcov",
+			"text"
+		]
+	}
+}
diff --git a/node_modules/find-cache-dir/readme.md b/node_modules/find-cache-dir/readme.md
new file mode 100644
index 00000000..ddea29ed
--- /dev/null
+++ b/node_modules/find-cache-dir/readme.md
@@ -0,0 +1,116 @@
+# find-cache-dir [![Build Status](https://travis-ci.org/avajs/find-cache-dir.svg?branch=master)](https://travis-ci.org/avajs/find-cache-dir) [![Coverage Status](https://coveralls.io/repos/github/avajs/find-cache-dir/badge.svg?branch=master)](https://coveralls.io/github/avajs/find-cache-dir?branch=master)
+
+> Finds the common standard cache directory
+
+The [`nyc`](https://github.com/istanbuljs/nyc) and [`AVA`](https://ava.li) projects decided to standardize on a common directory structure for storing cache information:
+
+```sh
+# nyc
+./node_modules/.cache/nyc
+
+# ava
+./node_modules/.cache/ava
+
+# your-module
+./node_modules/.cache/your-module
+```
+
+This module makes it easy to correctly locate the cache directory according to this shared spec. If this pattern becomes ubiquitous, clearing the cache for multiple dependencies becomes easy and consistent:
+
+```
+rm -rf ./node_modules/.cache
+```
+
+If you decide to adopt this pattern, please file a PR adding your name to the list of adopters below.
+
+
+## Install
+
+```
+$ npm install find-cache-dir
+```
+
+
+## Usage
+
+```js
+const findCacheDir = require('find-cache-dir');
+
+findCacheDir({name: 'unicorns'});
+//=> '/user/path/node-modules/.cache/unicorns'
+```
+
+
+## API
+
+### findCacheDir([options])
+
+Finds the cache directory using the supplied options. The algorithm tries to find a `package.json` file, searching every parent directory of the `cwd` specified (or implied from other options). It returns a `string` containing the absolute path to the cache directory, or `null` if `package.json` was never found.
+
+#### options
+
+Type: `Object`
+
+##### name
+
+*Required*<br>
+Type: `string`
+
+Should be the same as your project name in `package.json`.
+
+##### files
+
+Type: `string[]` `string`
+
+An array of files that will be searched for a common parent directory. This common parent directory will be used in lieu of the `cwd` option below.
+
+##### cwd
+
+Type: `string`<br>
+Default `process.cwd()`
+
+Directory to start searching for a `package.json` from.
+
+##### create
+
+Type: `boolean`<br>
+Default `false`
+
+If `true`, the directory will be created synchronously before returning.
+
+##### thunk
+
+Type: `boolean`<br>
+Default `false`
+
+If `true`, this modifies the return type to be a function that is a thunk for `path.join(theFoundCacheDirectory)`.
+
+```js
+const thunk = findCacheDir({name: 'foo', thunk: true});
+
+thunk();
+//=> '/some/path/node_modules/.cache/foo'
+
+thunk('bar.js')
+//=> '/some/path/node_modules/.cache/foo/bar.js'
+
+thunk('baz', 'quz.js')
+//=> '/some/path/node_modules/.cache/foo/baz/quz.js'
+```
+
+This is helpful for actually putting actual files in the cache!
+
+
+## Adopters
+
+- [`AVA`](https://ava.li)
+- [`nyc`](https://github.com/istanbuljs/nyc)
+- [`babel-loader`](https://github.com/babel/babel-loader)
+- [`eslint-loader`](https://github.com/MoOx/eslint-loader)
+- [`Phenomic`](https://phenomic.io)
+- [`javascripthon-loader`](https://github.com/Beg-in/javascripthon-loader)
+
+
+## License
+
+MIT
diff --git a/node_modules/find-up/index.js b/node_modules/find-up/index.js
new file mode 100644
index 00000000..8e83819c
--- /dev/null
+++ b/node_modules/find-up/index.js
@@ -0,0 +1,46 @@
+'use strict';
+const path = require('path');
+const locatePath = require('locate-path');
+
+module.exports = (filename, opts = {}) => {
+	const startDir = path.resolve(opts.cwd || '');
+	const {root} = path.parse(startDir);
+
+	const filenames = [].concat(filename);
+
+	return new Promise(resolve => {
+		(function find(dir) {
+			locatePath(filenames, {cwd: dir}).then(file => {
+				if (file) {
+					resolve(path.join(dir, file));
+				} else if (dir === root) {
+					resolve(null);
+				} else {
+					find(path.dirname(dir));
+				}
+			});
+		})(startDir);
+	});
+};
+
+module.exports.sync = (filename, opts = {}) => {
+	let dir = path.resolve(opts.cwd || '');
+	const {root} = path.parse(dir);
+
+	const filenames = [].concat(filename);
+
+	// eslint-disable-next-line no-constant-condition
+	while (true) {
+		const file = locatePath.sync(filenames, {cwd: dir});
+
+		if (file) {
+			return path.join(dir, file);
+		}
+
+		if (dir === root) {
+			return null;
+		}
+
+		dir = path.dirname(dir);
+	}
+};
diff --git a/node_modules/find-up/license b/node_modules/find-up/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/find-up/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/find-up/package.json b/node_modules/find-up/package.json
new file mode 100644
index 00000000..a708f572
--- /dev/null
+++ b/node_modules/find-up/package.json
@@ -0,0 +1,50 @@
+{
+	"name": "find-up",
+	"version": "3.0.0",
+	"description": "Find a file or directory by walking up parent directories",
+	"license": "MIT",
+	"repository": "sindresorhus/find-up",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"find",
+		"up",
+		"find-up",
+		"findup",
+		"look-up",
+		"look",
+		"file",
+		"search",
+		"match",
+		"package",
+		"resolve",
+		"parent",
+		"parents",
+		"folder",
+		"directory",
+		"dir",
+		"walk",
+		"walking",
+		"path"
+	],
+	"dependencies": {
+		"locate-path": "^3.0.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"tempy": "^0.2.1",
+		"xo": "*"
+	}
+}
diff --git a/node_modules/find-up/readme.md b/node_modules/find-up/readme.md
new file mode 100644
index 00000000..810ad7ce
--- /dev/null
+++ b/node_modules/find-up/readme.md
@@ -0,0 +1,87 @@
+# find-up [![Build Status: Linux and macOS](https://travis-ci.org/sindresorhus/find-up.svg?branch=master)](https://travis-ci.org/sindresorhus/find-up) [![Build Status: Windows](https://ci.appveyor.com/api/projects/status/l0cyjmvh5lq72vq2/branch/master?svg=true)](https://ci.appveyor.com/project/sindresorhus/find-up/branch/master)
+
+> Find a file or directory by walking up parent directories
+
+
+## Install
+
+```
+$ npm install find-up
+```
+
+
+## Usage
+
+```
+/
+└── Users
+		└── sindresorhus
+				├── unicorn.png
+				└── foo
+						└── bar
+								├── baz
+								└── example.js
+```
+
+`example.js`
+
+```js
+const findUp = require('find-up');
+
+(async () => {
+	console.log(await findUp('unicorn.png'));
+	//=> '/Users/sindresorhus/unicorn.png'
+
+	console.log(await findUp(['rainbow.png', 'unicorn.png']));
+	//=> '/Users/sindresorhus/unicorn.png'
+})();
+```
+
+
+## API
+
+### findUp(filename, [options])
+
+Returns a `Promise` for either the filepath or `null` if it couldn't be found.
+
+### findUp([filenameA, filenameB], [options])
+
+Returns a `Promise` for either the first filepath found (by respecting the order) or `null` if none could be found.
+
+### findUp.sync(filename, [options])
+
+Returns a filepath or `null`.
+
+### findUp.sync([filenameA, filenameB], [options])
+
+Returns the first filepath found (by respecting the order) or `null`.
+
+#### filename
+
+Type: `string`
+
+Filename of the file to find.
+
+#### options
+
+Type: `Object`
+
+##### cwd
+
+Type: `string`<br>
+Default: `process.cwd()`
+
+Directory to start from.
+
+
+## Related
+
+- [find-up-cli](https://github.com/sindresorhus/find-up-cli) - CLI for this module
+- [pkg-up](https://github.com/sindresorhus/pkg-up) - Find the closest package.json file
+- [pkg-dir](https://github.com/sindresorhus/pkg-dir) - Find the root directory of an npm package
+- [resolve-from](https://github.com/sindresorhus/resolve-from) - Resolve the path of a module like `require.resolve()` but from a given path
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/flush-write-stream/.travis.yml b/node_modules/flush-write-stream/.travis.yml
new file mode 100644
index 00000000..4689cb7b
--- /dev/null
+++ b/node_modules/flush-write-stream/.travis.yml
@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - '4'
+  - '6'
+  - '8'
+  - '10'
diff --git a/node_modules/flush-write-stream/LICENSE b/node_modules/flush-write-stream/LICENSE
new file mode 100644
index 00000000..66a4d2a1
--- /dev/null
+++ b/node_modules/flush-write-stream/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/flush-write-stream/README.md b/node_modules/flush-write-stream/README.md
new file mode 100644
index 00000000..7ea7b699
--- /dev/null
+++ b/node_modules/flush-write-stream/README.md
@@ -0,0 +1,59 @@
+# flush-write-stream
+
+A write stream constructor that supports a flush function that is called before `finish` is emitted
+
+```
+npm install flush-write-stream
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/flush-write-stream.svg?style=flat)](http://travis-ci.org/mafintosh/flush-write-stream)
+
+## Usage
+
+``` js
+var writer = require('flush-write-stream')
+
+var ws = writer(write, flush)
+
+ws.on('finish', function () {
+  console.log('finished')
+})
+
+ws.write('hello')
+ws.write('world')
+ws.end()
+
+function write (data, enc, cb) {
+  // i am your normal ._write method
+  console.log('writing', data.toString())
+  cb()
+}
+
+function flush (cb) {
+  // i am called before finish is emitted
+  setTimeout(cb, 1000) // wait 1 sec
+}
+```
+
+If you run the above it will produce the following output
+
+```
+writing hello
+writing world
+(nothing happens for 1 sec)
+finished
+```
+
+## API
+
+#### `var ws = writer([options], write, [flush])`
+
+Create a new writable stream. Options are forwarded to the stream constructor.
+
+#### `var ws = writer.obj([options], write, [flush])`
+
+Same as the above except `objectMode` is set to `true` per default.
+
+## License
+
+MIT
diff --git a/node_modules/flush-write-stream/example.js b/node_modules/flush-write-stream/example.js
new file mode 100644
index 00000000..fa6b5dab
--- /dev/null
+++ b/node_modules/flush-write-stream/example.js
@@ -0,0 +1,22 @@
+var writer = require('./')
+
+var ws = writer(write, flush)
+
+ws.on('finish', function () {
+  console.log('finished')
+})
+
+ws.write('hello')
+ws.write('world')
+ws.end()
+
+function write (data, enc, cb) {
+  // i am your normal ._write method
+  console.log('writing', data.toString())
+  cb()
+}
+
+function flush (cb) {
+  // i am called before finish is emitted
+  setTimeout(cb, 1000) // wait 1 sec
+}
diff --git a/node_modules/flush-write-stream/index.js b/node_modules/flush-write-stream/index.js
new file mode 100644
index 00000000..d7c62095
--- /dev/null
+++ b/node_modules/flush-write-stream/index.js
@@ -0,0 +1,54 @@
+var stream = require('readable-stream')
+var inherits = require('inherits')
+
+var SIGNAL_FLUSH =(Buffer.from && Buffer.from !== Uint8Array.from)
+  ? Buffer.from([0])
+  : new Buffer([0])
+
+module.exports = WriteStream
+
+function WriteStream (opts, write, flush) {
+  if (!(this instanceof WriteStream)) return new WriteStream(opts, write, flush)
+
+  if (typeof opts === 'function') {
+    flush = write
+    write = opts
+    opts = {}
+  }
+
+  stream.Writable.call(this, opts)
+
+  this.destroyed = false
+  this._worker = write || null
+  this._flush = flush || null
+}
+
+inherits(WriteStream, stream.Writable)
+
+WriteStream.obj = function (opts, worker, flush) {
+  if (typeof opts === 'function') return WriteStream.obj(null, opts, worker)
+  if (!opts) opts = {}
+  opts.objectMode = true
+  return new WriteStream(opts, worker, flush)
+}
+
+WriteStream.prototype._write = function (data, enc, cb) {
+  if (SIGNAL_FLUSH === data) this._flush(cb)
+  else this._worker(data, enc, cb)
+}
+
+WriteStream.prototype.end = function (data, enc, cb) {
+  if (!this._flush) return stream.Writable.prototype.end.apply(this, arguments)
+  if (typeof data === 'function') return this.end(null, null, data)
+  if (typeof enc === 'function') return this.end(data, null, enc)
+  if (data) this.write(data)
+  if (!this._writableState.ending) this.write(SIGNAL_FLUSH)
+  return stream.Writable.prototype.end.call(this, cb)
+}
+
+WriteStream.prototype.destroy = function (err) {
+  if (this.destroyed) return
+  this.destroyed = true
+  if (err) this.emit('error', err)
+  this.emit('close')
+}
diff --git a/node_modules/flush-write-stream/package.json b/node_modules/flush-write-stream/package.json
new file mode 100644
index 00000000..9d6326ca
--- /dev/null
+++ b/node_modules/flush-write-stream/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "flush-write-stream",
+  "version": "1.1.1",
+  "description": "A write stream constructor that supports a flush function that is called before finish is emitted",
+  "main": "index.js",
+  "dependencies": {
+    "inherits": "^2.0.3",
+    "readable-stream": "^2.3.6"
+  },
+  "devDependencies": {
+    "tape": "^4.2.2"
+  },
+  "scripts": {
+    "test": "tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/flush-write-stream.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/flush-write-stream/issues"
+  },
+  "homepage": "https://github.com/mafintosh/flush-write-stream"
+}
diff --git a/node_modules/flush-write-stream/test.js b/node_modules/flush-write-stream/test.js
new file mode 100644
index 00000000..6cd0c20e
--- /dev/null
+++ b/node_modules/flush-write-stream/test.js
@@ -0,0 +1,85 @@
+var tape = require('tape')
+var writer = require('./')
+
+tape('is a write stream', function (t) {
+  var expected = ['hello', 'world', 'verden']
+  var ws = writer.obj(write)
+
+  ws.write('hello')
+  ws.write('world')
+  ws.write('verden')
+  ws.end(function () {
+    t.same(expected.length, 0)
+    t.end()
+  })
+
+  function write (data, enc, cb) {
+    t.same(data, expected.shift())
+    cb()
+  }
+})
+
+tape('is flushable', function (t) {
+  var expected = ['hello', 'world', 'verden']
+  var flushed = false
+
+  var ws = writer.obj(write, flush)
+
+  ws.write('hello')
+  ws.write('world')
+  ws.write('verden')
+  ws.end(function () {
+    t.same(expected.length, 0)
+    t.ok(flushed, 'was flushed')
+    t.end()
+  })
+
+  function write (data, enc, cb) {
+    t.same(data, expected.shift())
+    cb()
+  }
+
+  function flush (cb) {
+    flushed = true
+    process.nextTick(cb)
+  }
+})
+
+tape('can pass options', function (t) {
+  var expected = ['hello', 'world', 'verden']
+  var flushed = false
+
+  var ws = writer({objectMode: true}, write, flush)
+
+  ws.write('hello')
+  ws.write('world')
+  ws.write('verden')
+  ws.end(function () {
+    t.same(expected.length, 0)
+    t.ok(flushed, 'was flushed')
+    t.end()
+  })
+
+  function write (data, enc, cb) {
+    t.same(data, expected.shift())
+    cb()
+  }
+
+  function flush (cb) {
+    flushed = true
+    process.nextTick(cb)
+  }
+})
+
+tape('emits error on destroy', function (t) {
+  var expected = new Error()
+
+  var ws = writer({objectMode: true}, function () {})
+
+  ws.on('error', function (err) {
+    t.equal(err, expected)
+  })
+  ws.on('close', t.end)
+
+  ws.destroy(expected)
+})
diff --git a/node_modules/for-in/LICENSE b/node_modules/for-in/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/for-in/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/for-in/README.md b/node_modules/for-in/README.md
new file mode 100644
index 00000000..874e1895
--- /dev/null
+++ b/node_modules/for-in/README.md
@@ -0,0 +1,85 @@
+# for-in [![NPM version](https://img.shields.io/npm/v/for-in.svg?style=flat)](https://www.npmjs.com/package/for-in) [![NPM monthly downloads](https://img.shields.io/npm/dm/for-in.svg?style=flat)](https://npmjs.org/package/for-in)  [![NPM total downloads](https://img.shields.io/npm/dt/for-in.svg?style=flat)](https://npmjs.org/package/for-in) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/for-in.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/for-in)
+
+> Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save for-in
+```
+
+## Usage
+
+```js
+var forIn = require('for-in');
+
+var obj = {a: 'foo', b: 'bar', c: 'baz'};
+var values = [];
+var keys = [];
+
+forIn(obj, function (value, key, o) {
+  keys.push(key);
+  values.push(value);
+});
+
+console.log(keys);
+//=> ['a', 'b', 'c'];
+
+console.log(values);
+//=> ['foo', 'bar', 'baz'];
+```
+
+## About
+
+### Related projects
+
+* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten "Recursively flatten an array or arrays. This is the fastest implementation of array flatten.")
+* [collection-map](https://www.npmjs.com/package/collection-map): Returns an array of mapped values from an array or object. | [homepage](https://github.com/jonschlinkert/collection-map "Returns an array of mapped values from an array or object.")
+* [for-own](https://www.npmjs.com/package/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own) | [homepage](https://github.com/jonschlinkert/for-own "Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 16 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [paulirish](https://github.com/paulirish) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on February 28, 2017._
\ No newline at end of file
diff --git a/node_modules/for-in/index.js b/node_modules/for-in/index.js
new file mode 100644
index 00000000..0b5f95f0
--- /dev/null
+++ b/node_modules/for-in/index.js
@@ -0,0 +1,16 @@
+/*!
+ * for-in <https://github.com/jonschlinkert/for-in>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function forIn(obj, fn, thisArg) {
+  for (var key in obj) {
+    if (fn.call(thisArg, obj[key], key, obj) === false) {
+      break;
+    }
+  }
+};
diff --git a/node_modules/for-in/package.json b/node_modules/for-in/package.json
new file mode 100644
index 00000000..48810a18
--- /dev/null
+++ b/node_modules/for-in/package.json
@@ -0,0 +1,68 @@
+{
+  "name": "for-in",
+  "description": "Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js",
+  "version": "1.0.2",
+  "homepage": "https://github.com/jonschlinkert/for-in",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)",
+    "Paul Irish (http://paulirish.com)"
+  ],
+  "repository": "jonschlinkert/for-in",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/for-in/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.11",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "for",
+    "for-in",
+    "for-own",
+    "has",
+    "has-own",
+    "hasOwn",
+    "in",
+    "key",
+    "keys",
+    "object",
+    "own",
+    "value"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "arr-flatten",
+        "collection-map",
+        "for-own"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/fragment-cache/LICENSE b/node_modules/fragment-cache/LICENSE
new file mode 100644
index 00000000..b11cb796
--- /dev/null
+++ b/node_modules/fragment-cache/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/fragment-cache/README.md b/node_modules/fragment-cache/README.md
new file mode 100644
index 00000000..541ef0fb
--- /dev/null
+++ b/node_modules/fragment-cache/README.md
@@ -0,0 +1,156 @@
+# fragment-cache [![NPM version](https://img.shields.io/npm/v/fragment-cache.svg?style=flat)](https://www.npmjs.com/package/fragment-cache) [![NPM downloads](https://img.shields.io/npm/dm/fragment-cache.svg?style=flat)](https://npmjs.org/package/fragment-cache) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/fragment-cache.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/fragment-cache)
+
+> A cache for managing namespaced sub-caches
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save fragment-cache
+```
+
+## Usage
+
+```js
+var Fragment = require('fragment-cache');
+var fragment = new Fragment();
+```
+
+## API
+
+### [FragmentCache](index.js#L24)
+
+Create a new `FragmentCache` with an optional object to use for `caches`.
+
+**Example**
+
+```js
+var fragment = new FragmentCache();
+```
+
+**Params**
+
+* `cacheName` **{String}**
+* `returns` **{Object}**: Returns the [map-cache](https://github.com/jonschlinkert/map-cache) instance.
+
+### [.cache](index.js#L49)
+
+Get cache `name` from the `fragment.caches` object. Creates a new `MapCache` if it doesn't already exist.
+
+**Example**
+
+```js
+var cache = fragment.cache('files');
+console.log(fragment.caches.hasOwnProperty('files'));
+//=> true
+```
+
+**Params**
+
+* `cacheName` **{String}**
+* `returns` **{Object}**: Returns the [map-cache](https://github.com/jonschlinkert/map-cache) instance.
+
+### [.set](index.js#L67)
+
+Set a value for property `key` on cache `name`
+
+**Example**
+
+```js
+fragment.set('files', 'somefile.js', new File({path: 'somefile.js'}));
+```
+
+**Params**
+
+* `name` **{String}**
+* `key` **{String}**: Property name to set
+* `val` **{any}**: The value of `key`
+* `returns` **{Object}**: The cache instance for chaining
+
+### [.has](index.js#L93)
+
+Returns true if a non-undefined value is set for `key` on fragment cache `name`.
+
+**Example**
+
+```js
+var cache = fragment.cache('files');
+cache.set('somefile.js');
+
+console.log(cache.has('somefile.js'));
+//=> true
+
+console.log(cache.has('some-other-file.js'));
+//=> false
+```
+
+**Params**
+
+* `name` **{String}**: Cache name
+* `key` **{String}**: Optionally specify a property to check for on cache `name`
+* `returns` **{Boolean}**
+
+### [.get](index.js#L115)
+
+Get `name`, or if specified, the value of `key`. Invokes the [cache](#cache) method, so that cache `name` will be created it doesn't already exist. If `key` is not passed, the entire cache (`name`) is returned.
+
+**Example**
+
+```js
+var Vinyl = require('vinyl');
+var cache = fragment.cache('files');
+cache.set('somefile.js', new Vinyl({path: 'somefile.js'}));
+console.log(cache.get('somefile.js'));
+//=> <File "somefile.js">
+```
+
+**Params**
+
+* `name` **{String}**
+* `returns` **{Object}**: Returns cache `name`, or the value of `key` if specified
+
+## About
+
+### Related projects
+
+* [base](https://www.npmjs.com/package/base): base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… [more](https://github.com/node-base/base) | [homepage](https://github.com/node-base/base "base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.")
+* [map-cache](https://www.npmjs.com/package/map-cache): Basic cache object for storing key-value pairs. | [homepage](https://github.com/jonschlinkert/map-cache "Basic cache object for storing key-value pairs.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/fragment-cache/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.2.0, on October 17, 2016._
\ No newline at end of file
diff --git a/node_modules/fragment-cache/index.js b/node_modules/fragment-cache/index.js
new file mode 100644
index 00000000..8ce62168
--- /dev/null
+++ b/node_modules/fragment-cache/index.js
@@ -0,0 +1,128 @@
+/*!
+ * fragment-cache <https://github.com/jonschlinkert/fragment-cache>
+ *
+ * Copyright (c) 2016-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var MapCache = require('map-cache');
+
+/**
+ * Create a new `FragmentCache` with an optional object to use for `caches`.
+ *
+ * ```js
+ * var fragment = new FragmentCache();
+ * ```
+ * @name FragmentCache
+ * @param {String} `cacheName`
+ * @return {Object} Returns the [map-cache][] instance.
+ * @api public
+ */
+
+function FragmentCache(caches) {
+  this.caches = caches || {};
+}
+
+/**
+ * Prototype
+ */
+
+FragmentCache.prototype = {
+
+  /**
+   * Get cache `name` from the `fragment.caches` object. Creates a new
+   * `MapCache` if it doesn't already exist.
+   *
+   * ```js
+   * var cache = fragment.cache('files');
+   * console.log(fragment.caches.hasOwnProperty('files'));
+   * //=> true
+   * ```
+   * @name .cache
+   * @param {String} `cacheName`
+   * @return {Object} Returns the [map-cache][] instance.
+   * @api public
+   */
+
+  cache: function(cacheName) {
+    return this.caches[cacheName] || (this.caches[cacheName] = new MapCache());
+  },
+
+  /**
+   * Set a value for property `key` on cache `name`
+   *
+   * ```js
+   * fragment.set('files', 'somefile.js', new File({path: 'somefile.js'}));
+   * ```
+   * @name .set
+   * @param {String} `name`
+   * @param {String} `key` Property name to set
+   * @param {any} `val` The value of `key`
+   * @return {Object} The cache instance for chaining
+   * @api public
+   */
+
+  set: function(cacheName, key, val) {
+    var cache = this.cache(cacheName);
+    cache.set(key, val);
+    return cache;
+  },
+
+  /**
+   * Returns true if a non-undefined value is set for `key` on fragment cache `name`.
+   *
+   * ```js
+   * var cache = fragment.cache('files');
+   * cache.set('somefile.js');
+   *
+   * console.log(cache.has('somefile.js'));
+   * //=> true
+   *
+   * console.log(cache.has('some-other-file.js'));
+   * //=> false
+   * ```
+   * @name .has
+   * @param {String} `name` Cache name
+   * @param {String} `key` Optionally specify a property to check for on cache `name`
+   * @return {Boolean}
+   * @api public
+   */
+
+  has: function(cacheName, key) {
+    return typeof this.get(cacheName, key) !== 'undefined';
+  },
+
+  /**
+   * Get `name`, or if specified, the value of `key`. Invokes the [cache]() method,
+   * so that cache `name` will be created it doesn't already exist. If `key` is not passed,
+   * the entire cache (`name`) is returned.
+   *
+   * ```js
+   * var Vinyl = require('vinyl');
+   * var cache = fragment.cache('files');
+   * cache.set('somefile.js', new Vinyl({path: 'somefile.js'}));
+   * console.log(cache.get('somefile.js'));
+   * //=> <File "somefile.js">
+   * ```
+   * @name .get
+   * @param {String} `name`
+   * @return {Object} Returns cache `name`, or the value of `key` if specified
+   * @api public
+   */
+
+  get: function(name, key) {
+    var cache = this.cache(name);
+    if (typeof key === 'string') {
+      return cache.get(key);
+    }
+    return cache;
+  }
+};
+
+/**
+ * Expose `FragmentCache`
+ */
+
+exports = module.exports = FragmentCache;
diff --git a/node_modules/fragment-cache/package.json b/node_modules/fragment-cache/package.json
new file mode 100644
index 00000000..f87c5dad
--- /dev/null
+++ b/node_modules/fragment-cache/package.json
@@ -0,0 +1,60 @@
+{
+  "name": "fragment-cache",
+  "description": "A cache for managing namespaced sub-caches",
+  "version": "0.2.1",
+  "homepage": "https://github.com/jonschlinkert/fragment-cache",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/fragment-cache",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/fragment-cache/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "map-cache": "^0.2.2"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-format-md": "^0.1.11",
+    "gulp-istanbul": "^1.1.1",
+    "gulp-mocha": "^3.0.1",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "cache",
+    "fragment"
+  ],
+  "verb": {
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "reflinks": [
+      "map-cache",
+      "verb"
+    ],
+    "related": {
+      "list": [
+        "base",
+        "map-cache"
+      ]
+    },
+    "layout": "default",
+    "toc": false,
+    "tasks": [
+      "readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/from2/.travis.yml b/node_modules/from2/.travis.yml
new file mode 100644
index 00000000..b03ffabc
--- /dev/null
+++ b/node_modules/from2/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+before_install:
+  - npm install -g npm
+node_js:
+  - "0.8"
+  - "0.10"
+  - "0.12"
+  - "iojs"
diff --git a/node_modules/from2/LICENSE.md b/node_modules/from2/LICENSE.md
new file mode 100644
index 00000000..146cb32a
--- /dev/null
+++ b/node_modules/from2/LICENSE.md
@@ -0,0 +1,21 @@
+## The MIT License (MIT) ##
+
+Copyright (c) 2014 Hugh Kennedy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/from2/README.md b/node_modules/from2/README.md
new file mode 100644
index 00000000..3e041a41
--- /dev/null
+++ b/node_modules/from2/README.md
@@ -0,0 +1,70 @@
+# from2 [![Flattr this!](https://api.flattr.com/button/flattr-badge-large.png)](https://flattr.com/submit/auto?user_id=hughskennedy&url=http://github.com/hughsk/from2&title=from2&description=hughsk/from2%20on%20GitHub&language=en_GB&tags=flattr,github,javascript&category=software)[![experimental](http://hughsk.github.io/stability-badges/dist/experimental.svg)](http://github.com/hughsk/stability-badges) #
+
+`from2` is a high-level module for creating readable streams that properly handle backpressure.
+
+Convience wrapper for
+[readable-stream](http://github.com/isaacs/readable-stream)'s `ReadableStream`
+base class, with an API lifted from
+[from](http://github.com/dominictarr/from) and
+[through2](http://github.com/rvagg/through2).
+
+## Usage ##
+
+[![from2](https://nodei.co/npm/from2.png?mini=true)](https://nodei.co/npm/from2)
+
+### `stream = from2([opts], read)` ###
+
+Where `opts` are the options to pass on to the `ReadableStream` constructor,
+and `read(size, next)` is called when data is requested from the stream.
+
+* `size` is the recommended amount of data (in bytes) to retrieve.
+* `next(err)` should be called when you're ready to emit more data.
+
+For example, here's a readable stream that emits the contents of a given
+string:
+
+``` javascript
+var from = require('from2')
+
+function fromString(string) {
+  return from(function(size, next) {
+    // if there's no more content
+    // left in the string, close the stream.
+    if (string.length <= 0) return next(null, null)
+
+    // Pull in a new chunk of text,
+    // removing it from the string.
+    var chunk = string.slice(0, size)
+    string = string.slice(size)
+
+    // Emit "chunk" from the stream.
+    next(null, chunk)
+  })
+}
+
+// pipe "hello world" out
+// to stdout.
+fromString('hello world').pipe(process.stdout)
+```
+
+### `stream = from2.obj([opts], read)` ###
+
+Shorthand for `from2({ objectMode: true }, read)`.
+
+### `createStream = from2.ctor([opts], read)` ###
+
+If you're creating similar streams in quick succession you can improve
+performance by generating a stream **constructor** that you can reuse instead
+of creating one-off streams on each call.
+
+Takes the same options as `from2`, instead returning a constructor which you
+can use to create new streams.
+
+### See Also
+
+- [from2-array](https://github.com/binocarlos/from2-array) - Create a from2 stream based on an array of source values.
+- [from2-string](https://github.com/yoshuawuyts/from2-string) - Create a stream from a string. Sugary wrapper around from2.
+
+## License ##
+
+MIT. See [LICENSE.md](http://github.com/hughsk/from2/blob/master/LICENSE.md) for details.
diff --git a/node_modules/from2/index.js b/node_modules/from2/index.js
new file mode 100644
index 00000000..cb200c61
--- /dev/null
+++ b/node_modules/from2/index.js
@@ -0,0 +1,103 @@
+var Readable = require('readable-stream').Readable
+var inherits = require('inherits')
+
+module.exports = from2
+
+from2.ctor = ctor
+from2.obj = obj
+
+var Proto = ctor()
+
+function toFunction(list) {
+  list = list.slice()
+  return function (_, cb) {
+    var err = null
+    var item = list.length ? list.shift() : null
+    if (item instanceof Error) {
+      err = item
+      item = null
+    }
+
+    cb(err, item)
+  }
+}
+
+function from2(opts, read) {
+  if (typeof opts !== 'object' || Array.isArray(opts)) {
+    read = opts
+    opts = {}
+  }
+
+  var rs = new Proto(opts)
+  rs._from = Array.isArray(read) ? toFunction(read) : (read || noop)
+  return rs
+}
+
+function ctor(opts, read) {
+  if (typeof opts === 'function') {
+    read = opts
+    opts = {}
+  }
+
+  opts = defaults(opts)
+
+  inherits(Class, Readable)
+  function Class(override) {
+    if (!(this instanceof Class)) return new Class(override)
+    this._reading = false
+    this._callback = check
+    this.destroyed = false
+    Readable.call(this, override || opts)
+
+    var self = this
+    var hwm = this._readableState.highWaterMark
+
+    function check(err, data) {
+      if (self.destroyed) return
+      if (err) return self.destroy(err)
+      if (data === null) return self.push(null)
+      self._reading = false
+      if (self.push(data)) self._read(hwm)
+    }
+  }
+
+  Class.prototype._from = read || noop
+  Class.prototype._read = function(size) {
+    if (this._reading || this.destroyed) return
+    this._reading = true
+    this._from(size, this._callback)
+  }
+
+  Class.prototype.destroy = function(err) {
+    if (this.destroyed) return
+    this.destroyed = true
+
+    var self = this
+    process.nextTick(function() {
+      if (err) self.emit('error', err)
+      self.emit('close')
+    })
+  }
+
+  return Class
+}
+
+function obj(opts, read) {
+  if (typeof opts === 'function' || Array.isArray(opts)) {
+    read = opts
+    opts = {}
+  }
+
+  opts = defaults(opts)
+  opts.objectMode = true
+  opts.highWaterMark = 16
+
+  return from2(opts, read)
+}
+
+function noop () {}
+
+function defaults(opts) {
+  opts = opts || {}
+  return opts
+}
diff --git a/node_modules/from2/package.json b/node_modules/from2/package.json
new file mode 100644
index 00000000..943b8a81
--- /dev/null
+++ b/node_modules/from2/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "from2",
+  "description": "Convenience wrapper for ReadableStream, with an API lifted from \"from\" and \"through2\"",
+  "version": "2.3.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "node test"
+  },
+  "dependencies": {
+    "inherits": "^2.0.1",
+    "readable-stream": "^2.0.0"
+  },
+  "devDependencies": {
+    "tape": "^4.0.0"
+  },
+  "author": "Hugh Kennedy <hughskennedy@gmail.com> (http://hughsk.io/)",
+  "contributors": [
+    "Mathias Buus <mathiasbuus@gmail.com>"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/hughsk/from2"
+  },
+  "bugs": {
+    "url": "https://github.com/hughsk/from2/issues"
+  },
+  "homepage": "https://github.com/hughsk/from2",
+  "keywords": [
+    "from",
+    "stream",
+    "readable",
+    "pull",
+    "convenience",
+    "wrapper"
+  ]
+}
diff --git a/node_modules/from2/test.js b/node_modules/from2/test.js
new file mode 100644
index 00000000..b11bd6cd
--- /dev/null
+++ b/node_modules/from2/test.js
@@ -0,0 +1,123 @@
+var test = require('tape')
+var path = require('path')
+var from = require('./')
+var fs   = require('fs')
+
+var tmp = path.resolve(
+  __dirname, 'tmp.txt'
+)
+
+function fromString(string) {
+  return from(function(size, next) {
+    if (string.length <= 0) return next(null, null)
+    var chunk = string.slice(0, size)
+    string = string.slice(size)
+    next(null, chunk)
+  })
+}
+
+test('from2', function(t) {
+  var contents = fs.readFileSync(__filename, 'utf8')
+  var stream = fromString(contents)
+
+  stream
+    .pipe(fs.createWriteStream(tmp))
+    .on('close', function() {
+      t.equal(fs.readFileSync(tmp, 'utf8'), contents)
+      fs.unlinkSync(tmp)
+      t.end()
+    })
+})
+
+test('old mode', function(t) {
+  var contents = fs.readFileSync(__filename, 'utf8')
+  var stream = fromString(contents)
+  var buffer = ''
+
+  stream.on('data', function(data) {
+    buffer += data
+  }).on('end', function() {
+    t.equal(buffer, contents)
+    t.end()
+  })
+})
+
+test('destroy', function(t) {
+  var stream = from(function(size, next) {
+    process.nextTick(function() {
+      next(null, 'no')
+    })
+  })
+
+  stream.on('data', function(data) {
+    t.ok(false)
+  }).on('close', function() {
+    t.ok(true)
+    t.end()
+  })
+
+  stream.destroy()
+})
+
+test('arrays', function (t) {
+  var input = ['a', 'b', 'c']
+  var stream = from(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter.toString())
+  })
+  stream.on('end', function () {
+    t.deepEqual(input, output)
+    t.end()
+  })
+})
+
+test('obj arrays', function (t) {
+  var input = [{foo:'a'}, {foo:'b'}, {foo:'c'}]
+  var stream = from.obj(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter)
+  })
+  stream.on('end', function () {
+    t.deepEqual(input, output)
+    t.end()
+  })
+})
+
+
+test('arrays can emit errors', function (t) {
+  var input = ['a', 'b', new Error('ooops'), 'c']
+  var stream = from(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter.toString())
+  })
+  stream.on('error', function(e){
+    t.deepEqual(['a', 'b'], output)
+    t.equal('ooops', e.message)
+    t.end()
+  })  
+  stream.on('end', function () {
+    t.fail('the stream should have errored')
+  })
+})
+
+test('obj arrays can emit errors', function (t) {
+  var input = [{foo:'a'}, {foo:'b'}, new Error('ooops'), {foo:'c'}]
+  var stream = from.obj(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter)
+  })
+  stream.on('error', function(e){
+    t.deepEqual([{foo:'a'}, {foo:'b'}], output)
+    t.equal('ooops', e.message)
+    t.end()
+  })
+  stream.on('end', function () {
+    t.fail('the stream should have errored')
+  })
+})
+
+
diff --git a/node_modules/fs-write-stream-atomic/.npmignore b/node_modules/fs-write-stream-atomic/.npmignore
new file mode 100644
index 00000000..2f24c57c
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/.npmignore
@@ -0,0 +1,3 @@
+node_modules/
+coverage/
+.nyc_output/
diff --git a/node_modules/fs-write-stream-atomic/.travis.yml b/node_modules/fs-write-stream-atomic/.travis.yml
new file mode 100644
index 00000000..68946625
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/.travis.yml
@@ -0,0 +1,11 @@
+language: node_js
+sudo: false
+before_install:
+    - "npm -g install npm"
+node_js:
+  - "0.8"
+  - "0.10"
+  - "0.12"
+  - "iojs"
+  - "4"
+  - "5"
diff --git a/node_modules/fs-write-stream-atomic/LICENSE b/node_modules/fs-write-stream-atomic/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/fs-write-stream-atomic/README.md b/node_modules/fs-write-stream-atomic/README.md
new file mode 100644
index 00000000..9a15d056
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/README.md
@@ -0,0 +1,35 @@
+# fs-write-stream-atomic
+
+Like `fs.createWriteStream(...)`, but atomic.
+
+Writes to a tmp file and does an atomic `fs.rename` to move it into
+place when it's done.
+
+First rule of debugging: **It's always a race condition.**
+
+## USAGE
+
+```javascript
+var fsWriteStreamAtomic = require('fs-write-stream-atomic')
+// options are optional.
+var write = fsWriteStreamAtomic('output.txt', options)
+var read = fs.createReadStream('input.txt')
+read.pipe(write)
+
+// When the write stream emits a 'finish' or 'close' event,
+// you can be sure that it is moved into place, and contains
+// all the bytes that were written to it, even if something else
+// was writing to `output.txt` at the same time.
+```
+
+### `fsWriteStreamAtomic(filename, [options])`
+
+* `filename` {String} The file we want to write to
+* `options` {Object}
+  * `chown` {Object} User and group to set ownership after write
+    * `uid` {Number}
+    * `gid` {Number}
+  * `encoding` {String} default = 'utf8'
+  * `mode` {Number} default = `0666`
+  * `flags` {String} default = `'w'`
+
diff --git a/node_modules/fs-write-stream-atomic/index.js b/node_modules/fs-write-stream-atomic/index.js
new file mode 100644
index 00000000..1690ff5a
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/index.js
@@ -0,0 +1,176 @@
+var fs = require('graceful-fs')
+var Writable = require('readable-stream').Writable
+var util = require('util')
+var MurmurHash3 = require('imurmurhash')
+var iferr = require('iferr')
+var crypto = require('crypto')
+
+function murmurhex () {
+  var hash = MurmurHash3('')
+  for (var ii = 0; ii < arguments.length; ++ii) {
+    hash.hash('' + arguments[ii])
+  }
+  return hash.result()
+}
+
+var invocations = 0
+function getTmpname (filename) {
+  return filename + '.' + murmurhex(__filename, process.pid, ++invocations)
+}
+
+var setImmediate = global.setImmediate || setTimeout
+
+module.exports = WriteStreamAtomic
+
+// Requirements:
+//   1. Write everything written to the stream to a temp file.
+//   2. If there are no errors:
+//      a. moves the temp file into its final destination
+//      b. emits `finish` & `closed` ONLY after the file is
+//         fully flushed and renamed.
+//   3. If there's an error, removes the temp file.
+
+util.inherits(WriteStreamAtomic, Writable)
+function WriteStreamAtomic (path, options) {
+  if (!(this instanceof WriteStreamAtomic)) {
+    return new WriteStreamAtomic(path, options)
+  }
+  Writable.call(this, options)
+
+  this.__isWin = options && options.hasOwnProperty('isWin') ? options.isWin : process.platform === 'win32'
+
+  this.__atomicTarget = path
+  this.__atomicTmp = getTmpname(path)
+
+  this.__atomicChown = options && options.chown
+
+  this.__atomicClosed = false
+
+  this.__atomicStream = fs.WriteStream(this.__atomicTmp, options)
+
+  this.__atomicStream.once('open', handleOpen(this))
+  this.__atomicStream.once('close', handleClose(this))
+  this.__atomicStream.once('error', handleError(this))
+}
+
+// We have to suppress default finish emitting, because ordinarily it
+// would happen as soon as `end` is called on us and all of the
+// data has been written to our target stream. So we suppress
+// finish from being emitted here, and only emit it after our
+// target stream is closed and we've moved everything around.
+WriteStreamAtomic.prototype.emit = function (event) {
+  if (event === 'finish') return this.__atomicStream.end()
+  return Writable.prototype.emit.apply(this, arguments)
+}
+
+WriteStreamAtomic.prototype._write = function (buffer, encoding, cb) {
+  var flushed = this.__atomicStream.write(buffer, encoding)
+  if (flushed) return cb()
+  this.__atomicStream.once('drain', cb)
+}
+
+function handleOpen (writeStream) {
+  return function (fd) {
+    writeStream.emit('open', fd)
+  }
+}
+
+function handleClose (writeStream) {
+  return function () {
+    if (writeStream.__atomicClosed) return
+    writeStream.__atomicClosed = true
+    if (writeStream.__atomicChown) {
+      var uid = writeStream.__atomicChown.uid
+      var gid = writeStream.__atomicChown.gid
+      return fs.chown(writeStream.__atomicTmp, uid, gid, iferr(cleanup, moveIntoPlace))
+    } else {
+      moveIntoPlace()
+    }
+  }
+
+  function moveIntoPlace () {
+    fs.rename(writeStream.__atomicTmp, writeStream.__atomicTarget, iferr(trapWindowsEPERM, end))
+  }
+
+  function trapWindowsEPERM (err) {
+    if (writeStream.__isWin &&
+        err.syscall && err.syscall === 'rename' &&
+        err.code && err.code === 'EPERM'
+    ) {
+      checkFileHashes(err)
+    } else {
+      cleanup(err)
+    }
+  }
+
+  function checkFileHashes (eperm) {
+    var inprocess = 2
+    var tmpFileHash = crypto.createHash('sha512')
+    var targetFileHash = crypto.createHash('sha512')
+
+    fs.createReadStream(writeStream.__atomicTmp)
+      .on('data', function (data, enc) { tmpFileHash.update(data, enc) })
+      .on('error', fileHashError)
+      .on('end', fileHashComplete)
+    fs.createReadStream(writeStream.__atomicTarget)
+      .on('data', function (data, enc) { targetFileHash.update(data, enc) })
+      .on('error', fileHashError)
+      .on('end', fileHashComplete)
+
+    function fileHashError () {
+      if (inprocess === 0) return
+      inprocess = 0
+      cleanup(eperm)
+    }
+
+    function fileHashComplete () {
+      if (inprocess === 0) return
+      if (--inprocess) return
+      if (tmpFileHash.digest('hex') === targetFileHash.digest('hex')) {
+        return cleanup()
+      } else {
+        return cleanup(eperm)
+      }
+    }
+  }
+
+  function cleanup (err) {
+    fs.unlink(writeStream.__atomicTmp, function () {
+      if (err) {
+        writeStream.emit('error', err)
+        writeStream.emit('close')
+      } else {
+        end()
+      }
+    })
+  }
+
+  function end () {
+    // We have to use our parent class directly because we suppress `finish`
+    // events fired via our own emit method.
+    Writable.prototype.emit.call(writeStream, 'finish')
+
+    // Delay the close to provide the same temporal separation a physical
+    // file operation would have– that is, the close event is emitted only
+    // after the async close operation completes.
+    setImmediate(function () {
+      writeStream.emit('close')
+    })
+  }
+}
+
+function handleError (writeStream) {
+  return function (er) {
+    cleanupSync()
+    writeStream.emit('error', er)
+    writeStream.__atomicClosed = true
+    writeStream.emit('close')
+  }
+  function cleanupSync () {
+    try {
+      fs.unlinkSync(writeStream.__atomicTmp)
+    } finally {
+      return
+    }
+  }
+}
diff --git a/node_modules/fs-write-stream-atomic/package.json b/node_modules/fs-write-stream-atomic/package.json
new file mode 100644
index 00000000..5b3c0d11
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "fs-write-stream-atomic",
+  "version": "1.0.10",
+  "description": "Like `fs.createWriteStream(...)`, but atomic.",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "graceful-fs": "^4.1.2",
+    "iferr": "^0.1.5",
+    "imurmurhash": "^0.1.4",
+    "readable-stream": "1 || 2"
+  },
+  "devDependencies": {
+    "rimraf": "^2.4.4",
+    "standard": "^5.4.1",
+    "tap": "^2.3.1"
+  },
+  "scripts": {
+    "test": "standard && tap --coverage test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/fs-write-stream-atomic"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/npm/fs-write-stream-atomic/issues"
+  },
+  "homepage": "https://github.com/npm/fs-write-stream-atomic"
+}
diff --git a/node_modules/fs-write-stream-atomic/test/basic.js b/node_modules/fs-write-stream-atomic/test/basic.js
new file mode 100644
index 00000000..d0205e15
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/basic.js
@@ -0,0 +1,97 @@
+var fs = require('graceful-fs')
+var test = require('tap').test
+var path = require('path')
+var writeStream = require('../index.js')
+
+var rename = fs.rename
+fs.rename = function (from, to, cb) {
+  setTimeout(function () {
+    rename(from, to, cb)
+  }, 100)
+}
+
+test('basic', function (t) {
+  // open 10 write streams to the same file.
+  // then write to each of them, and to the target
+  // and verify at the end that each of them does their thing
+  var target = path.resolve(__dirname, 'test.txt')
+  var n = 10
+
+  // We run all of our assertions twice:
+  //   once for finish, once for close
+  // There are 6 assertions, two fixed, plus 4 lines in the file.
+  t.plan(n * 2 * 6)
+
+  var streams = []
+  for (var i = 0; i < n; i++) {
+    var s = writeStream(target)
+    s.on('finish', verifier('finish', i))
+    s.on('close', verifier('close', i))
+    streams.push(s)
+  }
+
+  function verifier (ev, num) {
+    return function () {
+      if (ev === 'close') {
+        t.equal(this.__emittedFinish, true, num + '. closed only after finish')
+      } else {
+        this.__emittedFinish = true
+        t.equal(ev, 'finish', num + '. finished')
+      }
+
+      // make sure that one of the atomic streams won.
+      var res = fs.readFileSync(target, 'utf8')
+      var lines = res.trim().split(/\n/)
+      lines.forEach(function (line, lineno) {
+        var first = lines[0].match(/\d+$/)[0]
+        var cur = line.match(/\d+$/)[0]
+        t.equal(cur, first, num + '. line ' + lineno + ' matches')
+      })
+
+      var resExpr = /^first write \d+\nsecond write \d+\nthird write \d+\nfinal write \d+\n$/
+      t.similar(res, resExpr, num + '. content matches')
+    }
+  }
+
+  // now write something to each stream.
+  streams.forEach(function (stream, i) {
+    stream.write('first write ' + i + '\n')
+  })
+
+  // wait a sec for those writes to go out.
+  setTimeout(function () {
+    // write something else to the target.
+    fs.writeFileSync(target, 'brutality!\n')
+
+    // write some more stuff.
+    streams.forEach(function (stream, i) {
+      stream.write('second write ' + i + '\n')
+    })
+
+    setTimeout(function () {
+      // Oops!  Deleted the file!
+      fs.unlinkSync(target)
+
+      // write some more stuff.
+      streams.forEach(function (stream, i) {
+        stream.write('third write ' + i + '\n')
+      })
+
+      setTimeout(function () {
+        fs.writeFileSync(target, 'brutality TWO!\n')
+        streams.forEach(function (stream, i) {
+          stream.end('final write ' + i + '\n')
+        })
+      }, 50)
+    }, 50)
+  }, 50)
+})
+
+test('cleanup', function (t) {
+  fs.readdirSync(__dirname).filter(function (f) {
+    return f.match(/^test.txt/)
+  }).forEach(function (file) {
+    fs.unlinkSync(path.resolve(__dirname, file))
+  })
+  t.end()
+})
diff --git a/node_modules/fs-write-stream-atomic/test/chown.js b/node_modules/fs-write-stream-atomic/test/chown.js
new file mode 100644
index 00000000..1733cf27
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/chown.js
@@ -0,0 +1,44 @@
+'use strict'
+var fs = require('graceful-fs')
+var path = require('path')
+var test = require('tap').test
+var rimraf = require('rimraf')
+var writeStream = require('../index.js')
+
+var target = path.resolve(__dirname, 'test-chown')
+
+test('chown works', function (t) {
+  t.plan(1)
+  var stream = writeStream(target, {chown: {uid: process.getuid(), gid: process.getgid()}})
+  var hadError = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('close', function () {
+    t.is(hadError, false, 'no errors before close')
+  })
+  stream.end()
+})
+
+test('chown fails', function (t) {
+  t.plan(1)
+  fs.chown = function (file, uid, gid, cb) {
+    cb(new Error('TEST BREAK'))
+  }
+  var stream = writeStream(target, {chown: {uid: process.getuid(), gid: process.getgid()}})
+  var hadError = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('close', function () {
+    t.is(hadError, true, 'error before close')
+  })
+  stream.end()
+})
+
+test('cleanup', function (t) {
+  rimraf.sync(target)
+  t.end()
+})
diff --git a/node_modules/fs-write-stream-atomic/test/rename-eperm.js b/node_modules/fs-write-stream-atomic/test/rename-eperm.js
new file mode 100644
index 00000000..b1be0f31
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/rename-eperm.js
@@ -0,0 +1,154 @@
+'use strict'
+var fs = require('graceful-fs')
+var path = require('path')
+var test = require('tap').test
+var rimraf = require('rimraf')
+var writeStream = require('../index.js')
+
+var target = path.resolve(__dirname, 'test-rename-eperm1')
+var target2 = path.resolve(__dirname, 'test-rename-eperm2')
+var target3 = path.resolve(__dirname, 'test-rename-eperm3')
+
+test('rename eperm none existing file', function (t) {
+  t.plan(2)
+
+  var _rename = fs.rename
+  fs.existsSync = function (src) {
+    return true
+  }
+  fs.rename = function (src, dest, cb) {
+    // simulate a failure during rename where the file
+    // is renamed successfully but the process encounters
+    // an EPERM error and the target file does not exist
+    _rename(src, dest, function (e) {
+      var err = new Error('TEST BREAK')
+      err.syscall = 'rename'
+      err.code = 'EPERM'
+      cb(err)
+    })
+  }
+
+  var stream = writeStream(target, { isWin: true })
+  var hadError = false
+  var calledFinish = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('finish', function () {
+    calledFinish = true
+  })
+  stream.on('close', function () {
+    t.is(hadError, true, 'error was caught')
+    t.is(calledFinish, false, 'finish was called before close')
+  })
+  stream.end()
+})
+
+// test existing file with diff. content
+test('rename eperm existing file different content', function (t) {
+  t.plan(2)
+
+  var _rename = fs.rename
+  fs.existsSync = function (src) {
+    return true
+  }
+  fs.rename = function (src, dest, cb) {
+    // simulate a failure during rename where the file
+    // is renamed successfully but the process encounters
+    // an EPERM error and the target file that has another content than the
+    // destination
+    _rename(src, dest, function (e) {
+      fs.writeFile(src, 'dest', function (writeErr) {
+        if (writeErr) {
+          return console.log('WRITEERR: ' + writeErr)
+        }
+
+        fs.writeFile(target2, 'target', function (writeErr) {
+          if (writeErr) {
+            return console.log('WRITEERR: ' + writeErr)
+          }
+
+          var err = new Error('TEST BREAK')
+          err.syscall = 'rename'
+          err.code = 'EPERM'
+          cb(err)
+        })
+      })
+    })
+  }
+
+  var stream = writeStream(target2, { isWin: true })
+  var hadError = false
+  var calledFinish = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('finish', function () {
+    calledFinish = true
+  })
+  stream.on('close', function () {
+    t.is(hadError, true, 'error was caught')
+    t.is(calledFinish, false, 'finish was called before close')
+  })
+  stream.end()
+})
+
+// test existing file with the same content
+// test existing file with diff. content
+test('rename eperm existing file different content', function (t) {
+  t.plan(2)
+
+  var _rename = fs.rename
+  fs.existsSync = function (src) {
+    return true
+  }
+  fs.rename = function (src, dest, cb) {
+    // simulate a failure during rename where the file
+    // is renamed successfully but the process encounters
+    // an EPERM error and the target file that has the same content than the
+    // destination
+    _rename(src, dest, function (e) {
+      fs.writeFile(src, 'target2', function (writeErr) {
+        if (writeErr) {
+          return console.log('WRITEERR: ' + writeErr)
+        }
+
+        fs.writeFile(target3, 'target2', function (writeErr) {
+          if (writeErr) {
+            return console.log('WRITEERR: ' + writeErr)
+          }
+
+          var err = new Error('TEST BREAK')
+          err.syscall = 'rename'
+          err.code = 'EPERM'
+          cb(err)
+        })
+      })
+    })
+  }
+
+  var stream = writeStream(target3, { isWin: true })
+  var hadError = false
+  var calledFinish = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('finish', function () {
+    calledFinish = true
+  })
+  stream.on('close', function () {
+    t.is(hadError, false, 'error was caught')
+    t.is(calledFinish, true, 'finish was called before close')
+  })
+  stream.end()
+})
+
+test('cleanup', function (t) {
+  rimraf.sync(target)
+  rimraf.sync(target2)
+  rimraf.sync(target3)
+  t.end()
+})
diff --git a/node_modules/fs-write-stream-atomic/test/rename-fail.js b/node_modules/fs-write-stream-atomic/test/rename-fail.js
new file mode 100644
index 00000000..7e27f0bf
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/rename-fail.js
@@ -0,0 +1,30 @@
+'use strict'
+var fs = require('graceful-fs')
+var path = require('path')
+var test = require('tap').test
+var rimraf = require('rimraf')
+var writeStream = require('../index.js')
+
+var target = path.resolve(__dirname, 'test-rename')
+
+test('rename fails', function (t) {
+  t.plan(1)
+  fs.rename = function (src, dest, cb) {
+    cb(new Error('TEST BREAK'))
+  }
+  var stream = writeStream(target)
+  var hadError = false
+  stream.on('error', function (er) {
+    hadError = true
+    console.log('#', er)
+  })
+  stream.on('close', function () {
+    t.is(hadError, true, 'error before close')
+  })
+  stream.end()
+})
+
+test('cleanup', function (t) {
+  rimraf.sync(target)
+  t.end()
+})
diff --git a/node_modules/fs-write-stream-atomic/test/slow-close.js b/node_modules/fs-write-stream-atomic/test/slow-close.js
new file mode 100644
index 00000000..9840a6ef
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/slow-close.js
@@ -0,0 +1,40 @@
+'use strict'
+var fs = require('graceful-fs')
+var path = require('path')
+var test = require('tap').test
+var rimraf = require('rimraf')
+var writeStream = require('../index.js')
+
+var target = path.resolve(__dirname, 'test-chown')
+
+test('slow close', function (t) {
+  t.plan(2)
+  // The goal here is to simulate the "file close" step happening so slowly
+  // that the whole close/rename process could finish before the file is
+  // actually closed (and thus buffers truely flushed to the OS). In
+  // previous versions of this module, this would result in the module
+  // emitting finish & close before the file was fully written and in
+  // turn, could break other layers that tried to read the new file.
+  var realEmit = fs.WriteStream.prototype.emit
+  var reallyClosed = false
+  fs.WriteStream.prototype.emit = function (event) {
+    if (event !== 'close') return realEmit.apply(this, arguments)
+    setTimeout(function () {
+      reallyClosed = true
+      realEmit.call(this, 'close')
+    }.bind(this), 200)
+  }
+  var stream = writeStream(target)
+  stream.on('finish', function () {
+    t.is(reallyClosed, true, "didn't finish before target was closed")
+  })
+  stream.on('close', function () {
+    t.is(reallyClosed, true, "didn't close before target was closed")
+  })
+  stream.end()
+})
+
+test('cleanup', function (t) {
+  rimraf.sync(target)
+  t.end()
+})
diff --git a/node_modules/fs-write-stream-atomic/test/toolong.js b/node_modules/fs-write-stream-atomic/test/toolong.js
new file mode 100644
index 00000000..f146cc55
--- /dev/null
+++ b/node_modules/fs-write-stream-atomic/test/toolong.js
@@ -0,0 +1,29 @@
+var path = require('path')
+var test = require('tap').test
+var writeStream = require('../index.js')
+
+function repeat (times, string) {
+  var output = ''
+  for (var ii = 0; ii < times; ++ii) {
+    output += string
+  }
+  return output
+}
+
+var target = path.resolve(__dirname, repeat(1000, 'test'))
+
+test('name too long', function (t) {
+  t.plan(2)
+  var stream = writeStream(target)
+  var hadError = false
+  stream.on('error', function (er) {
+    if (!hadError) {
+      t.is(er.code, 'ENAMETOOLONG', target.length + ' character name results in ENAMETOOLONG')
+      hadError = true
+    }
+  })
+  stream.on('close', function () {
+    t.ok(hadError, 'got error before close')
+  })
+  stream.end()
+})
diff --git a/node_modules/fs.realpath/LICENSE b/node_modules/fs.realpath/LICENSE
new file mode 100644
index 00000000..5bd884c2
--- /dev/null
+++ b/node_modules/fs.realpath/LICENSE
@@ -0,0 +1,43 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+----
+
+This library bundles a version of the `fs.realpath` and `fs.realpathSync`
+methods from Node.js v0.10 under the terms of the Node.js MIT license.
+
+Node's license follows, also included at the header of `old.js` which contains
+the licensed code:
+
+  Copyright Joyent, Inc. and other Node contributors.
+
+  Permission is hereby granted, free of charge, to any person obtaining a
+  copy of this software and associated documentation files (the "Software"),
+  to deal in the Software without restriction, including without limitation
+  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+  and/or sell copies of the Software, and to permit persons to whom the
+  Software is furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+  DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/fs.realpath/README.md b/node_modules/fs.realpath/README.md
new file mode 100644
index 00000000..a42ceac6
--- /dev/null
+++ b/node_modules/fs.realpath/README.md
@@ -0,0 +1,33 @@
+# fs.realpath
+
+A backwards-compatible fs.realpath for Node v6 and above
+
+In Node v6, the JavaScript implementation of fs.realpath was replaced
+with a faster (but less resilient) native implementation.  That raises
+new and platform-specific errors and cannot handle long or excessively
+symlink-looping paths.
+
+This module handles those cases by detecting the new errors and
+falling back to the JavaScript implementation.  On versions of Node
+prior to v6, it has no effect.
+
+## USAGE
+
+```js
+var rp = require('fs.realpath')
+
+// async version
+rp.realpath(someLongAndLoopingPath, function (er, real) {
+  // the ELOOP was handled, but it was a bit slower
+})
+
+// sync version
+var real = rp.realpathSync(someLongAndLoopingPath)
+
+// monkeypatch at your own risk!
+// This replaces the fs.realpath/fs.realpathSync builtins
+rp.monkeypatch()
+
+// un-do the monkeypatching
+rp.unmonkeypatch()
+```
diff --git a/node_modules/fs.realpath/index.js b/node_modules/fs.realpath/index.js
new file mode 100644
index 00000000..b09c7c7e
--- /dev/null
+++ b/node_modules/fs.realpath/index.js
@@ -0,0 +1,66 @@
+module.exports = realpath
+realpath.realpath = realpath
+realpath.sync = realpathSync
+realpath.realpathSync = realpathSync
+realpath.monkeypatch = monkeypatch
+realpath.unmonkeypatch = unmonkeypatch
+
+var fs = require('fs')
+var origRealpath = fs.realpath
+var origRealpathSync = fs.realpathSync
+
+var version = process.version
+var ok = /^v[0-5]\./.test(version)
+var old = require('./old.js')
+
+function newError (er) {
+  return er && er.syscall === 'realpath' && (
+    er.code === 'ELOOP' ||
+    er.code === 'ENOMEM' ||
+    er.code === 'ENAMETOOLONG'
+  )
+}
+
+function realpath (p, cache, cb) {
+  if (ok) {
+    return origRealpath(p, cache, cb)
+  }
+
+  if (typeof cache === 'function') {
+    cb = cache
+    cache = null
+  }
+  origRealpath(p, cache, function (er, result) {
+    if (newError(er)) {
+      old.realpath(p, cache, cb)
+    } else {
+      cb(er, result)
+    }
+  })
+}
+
+function realpathSync (p, cache) {
+  if (ok) {
+    return origRealpathSync(p, cache)
+  }
+
+  try {
+    return origRealpathSync(p, cache)
+  } catch (er) {
+    if (newError(er)) {
+      return old.realpathSync(p, cache)
+    } else {
+      throw er
+    }
+  }
+}
+
+function monkeypatch () {
+  fs.realpath = realpath
+  fs.realpathSync = realpathSync
+}
+
+function unmonkeypatch () {
+  fs.realpath = origRealpath
+  fs.realpathSync = origRealpathSync
+}
diff --git a/node_modules/fs.realpath/old.js b/node_modules/fs.realpath/old.js
new file mode 100644
index 00000000..b40305e7
--- /dev/null
+++ b/node_modules/fs.realpath/old.js
@@ -0,0 +1,303 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var pathModule = require('path');
+var isWindows = process.platform === 'win32';
+var fs = require('fs');
+
+// JavaScript implementation of realpath, ported from node pre-v6
+
+var DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG);
+
+function rethrow() {
+  // Only enable in debug mode. A backtrace uses ~1000 bytes of heap space and
+  // is fairly slow to generate.
+  var callback;
+  if (DEBUG) {
+    var backtrace = new Error;
+    callback = debugCallback;
+  } else
+    callback = missingCallback;
+
+  return callback;
+
+  function debugCallback(err) {
+    if (err) {
+      backtrace.message = err.message;
+      err = backtrace;
+      missingCallback(err);
+    }
+  }
+
+  function missingCallback(err) {
+    if (err) {
+      if (process.throwDeprecation)
+        throw err;  // Forgot a callback but don't know where? Use NODE_DEBUG=fs
+      else if (!process.noDeprecation) {
+        var msg = 'fs: missing callback ' + (err.stack || err.message);
+        if (process.traceDeprecation)
+          console.trace(msg);
+        else
+          console.error(msg);
+      }
+    }
+  }
+}
+
+function maybeCallback(cb) {
+  return typeof cb === 'function' ? cb : rethrow();
+}
+
+var normalize = pathModule.normalize;
+
+// Regexp that finds the next partion of a (partial) path
+// result is [base_with_slash, base], e.g. ['somedir/', 'somedir']
+if (isWindows) {
+  var nextPartRe = /(.*?)(?:[\/\\]+|$)/g;
+} else {
+  var nextPartRe = /(.*?)(?:[\/]+|$)/g;
+}
+
+// Regex to find the device root, including trailing slash. E.g. 'c:\\'.
+if (isWindows) {
+  var splitRootRe = /^(?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?[\\\/]*/;
+} else {
+  var splitRootRe = /^[\/]*/;
+}
+
+exports.realpathSync = function realpathSync(p, cache) {
+  // make p is absolute
+  p = pathModule.resolve(p);
+
+  if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
+    return cache[p];
+  }
+
+  var original = p,
+      seenLinks = {},
+      knownHard = {};
+
+  // current character position in p
+  var pos;
+  // the partial path so far, including a trailing slash if any
+  var current;
+  // the partial path without a trailing slash (except when pointing at a root)
+  var base;
+  // the partial path scanned in the previous round, with slash
+  var previous;
+
+  start();
+
+  function start() {
+    // Skip over roots
+    var m = splitRootRe.exec(p);
+    pos = m[0].length;
+    current = m[0];
+    base = m[0];
+    previous = '';
+
+    // On windows, check that the root exists. On unix there is no need.
+    if (isWindows && !knownHard[base]) {
+      fs.lstatSync(base);
+      knownHard[base] = true;
+    }
+  }
+
+  // walk down the path, swapping out linked pathparts for their real
+  // values
+  // NB: p.length changes.
+  while (pos < p.length) {
+    // find the next part
+    nextPartRe.lastIndex = pos;
+    var result = nextPartRe.exec(p);
+    previous = current;
+    current += result[0];
+    base = previous + result[1];
+    pos = nextPartRe.lastIndex;
+
+    // continue if not a symlink
+    if (knownHard[base] || (cache && cache[base] === base)) {
+      continue;
+    }
+
+    var resolvedLink;
+    if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
+      // some known symbolic link.  no need to stat again.
+      resolvedLink = cache[base];
+    } else {
+      var stat = fs.lstatSync(base);
+      if (!stat.isSymbolicLink()) {
+        knownHard[base] = true;
+        if (cache) cache[base] = base;
+        continue;
+      }
+
+      // read the link if it wasn't read before
+      // dev/ino always return 0 on windows, so skip the check.
+      var linkTarget = null;
+      if (!isWindows) {
+        var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
+        if (seenLinks.hasOwnProperty(id)) {
+          linkTarget = seenLinks[id];
+        }
+      }
+      if (linkTarget === null) {
+        fs.statSync(base);
+        linkTarget = fs.readlinkSync(base);
+      }
+      resolvedLink = pathModule.resolve(previous, linkTarget);
+      // track this, if given a cache.
+      if (cache) cache[base] = resolvedLink;
+      if (!isWindows) seenLinks[id] = linkTarget;
+    }
+
+    // resolve the link, then start over
+    p = pathModule.resolve(resolvedLink, p.slice(pos));
+    start();
+  }
+
+  if (cache) cache[original] = p;
+
+  return p;
+};
+
+
+exports.realpath = function realpath(p, cache, cb) {
+  if (typeof cb !== 'function') {
+    cb = maybeCallback(cache);
+    cache = null;
+  }
+
+  // make p is absolute
+  p = pathModule.resolve(p);
+
+  if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
+    return process.nextTick(cb.bind(null, null, cache[p]));
+  }
+
+  var original = p,
+      seenLinks = {},
+      knownHard = {};
+
+  // current character position in p
+  var pos;
+  // the partial path so far, including a trailing slash if any
+  var current;
+  // the partial path without a trailing slash (except when pointing at a root)
+  var base;
+  // the partial path scanned in the previous round, with slash
+  var previous;
+
+  start();
+
+  function start() {
+    // Skip over roots
+    var m = splitRootRe.exec(p);
+    pos = m[0].length;
+    current = m[0];
+    base = m[0];
+    previous = '';
+
+    // On windows, check that the root exists. On unix there is no need.
+    if (isWindows && !knownHard[base]) {
+      fs.lstat(base, function(err) {
+        if (err) return cb(err);
+        knownHard[base] = true;
+        LOOP();
+      });
+    } else {
+      process.nextTick(LOOP);
+    }
+  }
+
+  // walk down the path, swapping out linked pathparts for their real
+  // values
+  function LOOP() {
+    // stop if scanned past end of path
+    if (pos >= p.length) {
+      if (cache) cache[original] = p;
+      return cb(null, p);
+    }
+
+    // find the next part
+    nextPartRe.lastIndex = pos;
+    var result = nextPartRe.exec(p);
+    previous = current;
+    current += result[0];
+    base = previous + result[1];
+    pos = nextPartRe.lastIndex;
+
+    // continue if not a symlink
+    if (knownHard[base] || (cache && cache[base] === base)) {
+      return process.nextTick(LOOP);
+    }
+
+    if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
+      // known symbolic link.  no need to stat again.
+      return gotResolvedLink(cache[base]);
+    }
+
+    return fs.lstat(base, gotStat);
+  }
+
+  function gotStat(err, stat) {
+    if (err) return cb(err);
+
+    // if not a symlink, skip to the next path part
+    if (!stat.isSymbolicLink()) {
+      knownHard[base] = true;
+      if (cache) cache[base] = base;
+      return process.nextTick(LOOP);
+    }
+
+    // stat & read the link if not read before
+    // call gotTarget as soon as the link target is known
+    // dev/ino always return 0 on windows, so skip the check.
+    if (!isWindows) {
+      var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
+      if (seenLinks.hasOwnProperty(id)) {
+        return gotTarget(null, seenLinks[id], base);
+      }
+    }
+    fs.stat(base, function(err) {
+      if (err) return cb(err);
+
+      fs.readlink(base, function(err, target) {
+        if (!isWindows) seenLinks[id] = target;
+        gotTarget(err, target);
+      });
+    });
+  }
+
+  function gotTarget(err, target, base) {
+    if (err) return cb(err);
+
+    var resolvedLink = pathModule.resolve(previous, target);
+    if (cache) cache[base] = resolvedLink;
+    gotResolvedLink(resolvedLink);
+  }
+
+  function gotResolvedLink(resolvedLink) {
+    // resolve the link, then start over
+    p = pathModule.resolve(resolvedLink, p.slice(pos));
+    start();
+  }
+};
diff --git a/node_modules/fs.realpath/package.json b/node_modules/fs.realpath/package.json
new file mode 100644
index 00000000..3edc57d2
--- /dev/null
+++ b/node_modules/fs.realpath/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "fs.realpath",
+  "version": "1.0.0",
+  "description": "Use node's fs.realpath, but fall back to the JS implementation if the native one fails",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {},
+  "scripts": {
+    "test": "tap test/*.js --cov"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/isaacs/fs.realpath.git"
+  },
+  "keywords": [
+    "realpath",
+    "fs",
+    "polyfill"
+  ],
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC",
+  "files": [
+    "old.js",
+    "index.js"
+  ]
+}
diff --git a/node_modules/function-bind/.eslintrc b/node_modules/function-bind/.eslintrc
new file mode 100644
index 00000000..71a054fd
--- /dev/null
+++ b/node_modules/function-bind/.eslintrc
@@ -0,0 +1,21 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"indent": [2, 4],
+		"no-new-func": [1],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"max-lines-per-function": 0,
+				"strict": [0]
+			},
+		},
+	],
+}
diff --git a/node_modules/function-bind/.github/FUNDING.yml b/node_modules/function-bind/.github/FUNDING.yml
new file mode 100644
index 00000000..74482195
--- /dev/null
+++ b/node_modules/function-bind/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/function-bind
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/function-bind/.github/SECURITY.md b/node_modules/function-bind/.github/SECURITY.md
new file mode 100644
index 00000000..82e4285a
--- /dev/null
+++ b/node_modules/function-bind/.github/SECURITY.md
@@ -0,0 +1,3 @@
+# Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
diff --git a/node_modules/function-bind/.nycrc b/node_modules/function-bind/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/function-bind/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/function-bind/CHANGELOG.md b/node_modules/function-bind/CHANGELOG.md
new file mode 100644
index 00000000..f9e6cc07
--- /dev/null
+++ b/node_modules/function-bind/CHANGELOG.md
@@ -0,0 +1,136 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.2](https://github.com/ljharb/function-bind/compare/v1.1.1...v1.1.2) - 2023-10-12
+
+### Merged
+
+- Point to the correct file [`#16`](https://github.com/ljharb/function-bind/pull/16)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`4f8b57c`](https://github.com/ljharb/function-bind/commit/4f8b57c02f2011fe9ae353d5e74e8745f0988af8)
+- [Tests] remove `jscs` [`90eb2ed`](https://github.com/ljharb/function-bind/commit/90eb2edbeefd5b76cd6c3a482ea3454db169b31f)
+- [meta] update `.gitignore` [`53fcdc3`](https://github.com/ljharb/function-bind/commit/53fcdc371cd66634d6e9b71c836a50f437e89fed)
+- [Tests] up to `node` `v11.10`, `v10.15`, `v9.11`, `v8.15`, `v6.16`, `v4.9`; use `nvm install-latest-npm`; run audit script in tests [`1fe8f6e`](https://github.com/ljharb/function-bind/commit/1fe8f6e9aed0dfa8d8b3cdbd00c7f5ea0cd2b36e)
+- [meta] add `auto-changelog` [`1921fcb`](https://github.com/ljharb/function-bind/commit/1921fcb5b416b63ffc4acad051b6aad5722f777d)
+- [Robustness] remove runtime dependency on all builtins except `.apply` [`f743e61`](https://github.com/ljharb/function-bind/commit/f743e61aa6bb2360358c04d4884c9db853d118b7)
+- Docs: enable badges; update wording [`503cb12`](https://github.com/ljharb/function-bind/commit/503cb12d998b5f91822776c73332c7adcd6355dd)
+- [readme] update badges [`290c5db`](https://github.com/ljharb/function-bind/commit/290c5dbbbda7264efaeb886552a374b869a4bb48)
+- [Tests] switch to nyc for coverage [`ea360ba`](https://github.com/ljharb/function-bind/commit/ea360ba907fc2601ed18d01a3827fa2d3533cdf8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`cae5e9e`](https://github.com/ljharb/function-bind/commit/cae5e9e07a5578dc6df26c03ee22851ce05b943c)
+- [meta] add `funding` field; create FUNDING.yml [`c9f4274`](https://github.com/ljharb/function-bind/commit/c9f4274aa80ea3aae9657a3938fdba41a3b04ca6)
+- [Tests] fix eslint errors from #15 [`f69aaa2`](https://github.com/ljharb/function-bind/commit/f69aaa2beb2fdab4415bfb885760a699d0b9c964)
+- [actions] fix permissions [`99a0cd9`](https://github.com/ljharb/function-bind/commit/99a0cd9f3b5bac223a0d572f081834cd73314be7)
+- [meta] use `npmignore` to autogenerate an npmignore file [`f03b524`](https://github.com/ljharb/function-bind/commit/f03b524ca91f75a109a5d062f029122c86ecd1ae)
+- [Dev Deps] update `@ljharb/eslint‑config`, `eslint`, `tape` [`7af9300`](https://github.com/ljharb/function-bind/commit/7af930023ae2ce7645489532821e4fbbcd7a2280)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `covert`, `tape` [`64a9127`](https://github.com/ljharb/function-bind/commit/64a9127ab0bd331b93d6572eaf6e9971967fc08c)
+- [Tests] use `aud` instead of `npm audit` [`e75069c`](https://github.com/ljharb/function-bind/commit/e75069c50010a8fcce2a9ce2324934c35fdb4386)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`d03555c`](https://github.com/ljharb/function-bind/commit/d03555ca59dea3b71ce710045e4303b9e2619e28)
+- [meta] add `safe-publish-latest` [`9c8f809`](https://github.com/ljharb/function-bind/commit/9c8f8092aed027d7e80c94f517aa892385b64f09)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`baf6893`](https://github.com/ljharb/function-bind/commit/baf6893e27f5b59abe88bc1995e6f6ed1e527397)
+- [meta] create SECURITY.md [`4db1779`](https://github.com/ljharb/function-bind/commit/4db17799f1f28ae294cb95e0081ca2b591c3911b)
+- [Tests] add `npm run audit` [`c8b38ec`](https://github.com/ljharb/function-bind/commit/c8b38ec40ed3f85dabdee40ed4148f1748375bc2)
+- Revert "Point to the correct file" [`05cdf0f`](https://github.com/ljharb/function-bind/commit/05cdf0fa205c6a3c5ba40bbedd1dfa9874f915c9)
+
+## [v1.1.1](https://github.com/ljharb/function-bind/compare/v1.1.0...v1.1.1) - 2017-08-28
+
+### Commits
+
+- [Tests] up to `node` `v8`; newer npm breaks on older node; fix scripts [`817f7d2`](https://github.com/ljharb/function-bind/commit/817f7d28470fdbff8ef608d4d565dd4d1430bc5e)
+- [Dev Deps] update `eslint`, `jscs`, `tape`, `@ljharb/eslint-config` [`854288b`](https://github.com/ljharb/function-bind/commit/854288b1b6f5c555f89aceb9eff1152510262084)
+- [Dev Deps] update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`83e639f`](https://github.com/ljharb/function-bind/commit/83e639ff74e6cd6921285bccec22c1bcf72311bd)
+- Only apps should have lockfiles [`5ed97f5`](https://github.com/ljharb/function-bind/commit/5ed97f51235c17774e0832e122abda0f3229c908)
+- Use a SPDX-compliant “license” field. [`5feefea`](https://github.com/ljharb/function-bind/commit/5feefea0dc0193993e83e5df01ded424403a5381)
+
+## [v1.1.0](https://github.com/ljharb/function-bind/compare/v1.0.2...v1.1.0) - 2016-02-14
+
+### Commits
+
+- Update `eslint`, `tape`; use my personal shared `eslint` config [`9c9062a`](https://github.com/ljharb/function-bind/commit/9c9062abbe9dd70b59ea2c3a3c3a81f29b457097)
+- Add `npm run eslint` [`dd96c56`](https://github.com/ljharb/function-bind/commit/dd96c56720034a3c1ffee10b8a59a6f7c53e24ad)
+- [New] return the native `bind` when available. [`82186e0`](https://github.com/ljharb/function-bind/commit/82186e03d73e580f95ff167e03f3582bed90ed72)
+- [Dev Deps] update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`a3dd767`](https://github.com/ljharb/function-bind/commit/a3dd76720c795cb7f4586b0544efabf8aa107b8b)
+- Update `eslint` [`3dae2f7`](https://github.com/ljharb/function-bind/commit/3dae2f7423de30a2d20313ddb1edc19660142fe9)
+- Update `tape`, `covert`, `jscs` [`a181eee`](https://github.com/ljharb/function-bind/commit/a181eee0cfa24eb229c6e843a971f36e060a2f6a)
+- [Tests] up to `node` `v5.6`, `v4.3` [`964929a`](https://github.com/ljharb/function-bind/commit/964929a6a4ddb36fb128de2bcc20af5e4f22e1ed)
+- Test up to `io.js` `v2.1` [`2be7310`](https://github.com/ljharb/function-bind/commit/2be7310f2f74886a7124ca925be411117d41d5ea)
+- Update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`45f3d68`](https://github.com/ljharb/function-bind/commit/45f3d6865c6ca93726abcef54febe009087af101)
+- [Dev Deps] update `tape`, `jscs` [`6e1340d`](https://github.com/ljharb/function-bind/commit/6e1340d94642deaecad3e717825db641af4f8b1f)
+- [Tests] up to `io.js` `v3.3`, `node` `v4.1` [`d9bad2b`](https://github.com/ljharb/function-bind/commit/d9bad2b778b1b3a6dd2876087b88b3acf319f8cc)
+- Update `eslint` [`935590c`](https://github.com/ljharb/function-bind/commit/935590caa024ab356102e4858e8fc315b2ccc446)
+- [Dev Deps] update `jscs`, `eslint`, `@ljharb/eslint-config` [`8c9a1ef`](https://github.com/ljharb/function-bind/commit/8c9a1efd848e5167887aa8501857a0940a480c57)
+- Test on `io.js` `v2.2` [`9a3a38c`](https://github.com/ljharb/function-bind/commit/9a3a38c92013aed6e108666e7bd40969b84ac86e)
+- Run `travis-ci` tests on `iojs` and `node` v0.12; speed up builds; allow 0.8 failures. [`69afc26`](https://github.com/ljharb/function-bind/commit/69afc2617405b147dd2a8d8ae73ca9e9283f18b4)
+- [Dev Deps] Update `tape`, `eslint` [`36c1be0`](https://github.com/ljharb/function-bind/commit/36c1be0ab12b45fe5df6b0fdb01a5d5137fd0115)
+- Update `tape`, `jscs` [`98d8303`](https://github.com/ljharb/function-bind/commit/98d8303cd5ca1c6b8f985469f86b0d44d7d45f6e)
+- Update `jscs` [`9633a4e`](https://github.com/ljharb/function-bind/commit/9633a4e9fbf82051c240855166e468ba8ba0846f)
+- Update `tape`, `jscs` [`c80ef0f`](https://github.com/ljharb/function-bind/commit/c80ef0f46efc9791e76fa50de4414092ac147831)
+- Test up to `io.js` `v3.0` [`7e2c853`](https://github.com/ljharb/function-bind/commit/7e2c8537d52ab9cf5a655755561d8917684c0df4)
+- Test on `io.js` `v2.4` [`5a199a2`](https://github.com/ljharb/function-bind/commit/5a199a27ba46795ba5eaf0845d07d4b8232895c9)
+- Test on `io.js` `v2.3` [`a511b88`](https://github.com/ljharb/function-bind/commit/a511b8896de0bddf3b56862daa416c701f4d0453)
+- Fixing a typo from 822b4e1938db02dc9584aa434fd3a45cb20caf43 [`732d6b6`](https://github.com/ljharb/function-bind/commit/732d6b63a9b33b45230e630dbcac7a10855d3266)
+- Update `jscs` [`da52a48`](https://github.com/ljharb/function-bind/commit/da52a4886c06d6490f46ae30b15e4163ba08905d)
+- Lock covert to v1.0.0. [`d6150fd`](https://github.com/ljharb/function-bind/commit/d6150fda1e6f486718ebdeff823333d9e48e7430)
+
+## [v1.0.2](https://github.com/ljharb/function-bind/compare/v1.0.1...v1.0.2) - 2014-10-04
+
+## [v1.0.1](https://github.com/ljharb/function-bind/compare/v1.0.0...v1.0.1) - 2014-10-03
+
+### Merged
+
+- make CI build faster [`#3`](https://github.com/ljharb/function-bind/pull/3)
+
+### Commits
+
+- Using my standard jscs.json [`d8ee94c`](https://github.com/ljharb/function-bind/commit/d8ee94c993eff0a84cf5744fe6a29627f5cffa1a)
+- Adding `npm run lint` [`7571ab7`](https://github.com/ljharb/function-bind/commit/7571ab7dfdbd99b25a1dbb2d232622bd6f4f9c10)
+- Using consistent indentation [`e91a1b1`](https://github.com/ljharb/function-bind/commit/e91a1b13a61e99ec1e530e299b55508f74218a95)
+- Updating jscs [`7e17892`](https://github.com/ljharb/function-bind/commit/7e1789284bc629bc9c1547a61c9b227bbd8c7a65)
+- Using consistent quotes [`c50b57f`](https://github.com/ljharb/function-bind/commit/c50b57fcd1c5ec38320979c837006069ebe02b77)
+- Adding keywords [`cb94631`](https://github.com/ljharb/function-bind/commit/cb946314eed35f21186a25fb42fc118772f9ee00)
+- Directly export a function expression instead of using a declaration, and relying on hoisting. [`5a33c5f`](https://github.com/ljharb/function-bind/commit/5a33c5f45642de180e0d207110bf7d1843ceb87c)
+- Naming npm URL and badge in README; use SVG [`2aef8fc`](https://github.com/ljharb/function-bind/commit/2aef8fcb79d54e63a58ae557c4e60949e05d5e16)
+- Naming deps URLs in README [`04228d7`](https://github.com/ljharb/function-bind/commit/04228d766670ee45ca24e98345c1f6a7621065b5)
+- Naming travis-ci URLs in README; using SVG [`62c810c`](https://github.com/ljharb/function-bind/commit/62c810c2f54ced956cd4d4ab7b793055addfe36e)
+- Make sure functions are invoked correctly (also passing coverage tests) [`2b289b4`](https://github.com/ljharb/function-bind/commit/2b289b4dfbf037ffcfa4dc95eb540f6165e9e43a)
+- Removing the strict mode pragmas; they make tests fail. [`1aa701d`](https://github.com/ljharb/function-bind/commit/1aa701d199ddc3782476e8f7eef82679be97b845)
+- Adding myself as a contributor [`85fd57b`](https://github.com/ljharb/function-bind/commit/85fd57b0860e5a7af42de9a287f3f265fc6d72fc)
+- Adding strict mode pragmas [`915b08e`](https://github.com/ljharb/function-bind/commit/915b08e084c86a722eafe7245e21db74aa21ca4c)
+- Adding devDeps URLs to README [`4ccc731`](https://github.com/ljharb/function-bind/commit/4ccc73112c1769859e4ca3076caf4086b3cba2cd)
+- Fixing the description. [`a7a472c`](https://github.com/ljharb/function-bind/commit/a7a472cf649af515c635cf560fc478fbe48999c8)
+- Using a function expression instead of a function declaration. [`b5d3e4e`](https://github.com/ljharb/function-bind/commit/b5d3e4ea6aaffc63888953eeb1fbc7ff45f1fa14)
+- Updating tape [`f086be6`](https://github.com/ljharb/function-bind/commit/f086be6029fb56dde61a258c1340600fa174d1e0)
+- Updating jscs [`5f9bdb3`](https://github.com/ljharb/function-bind/commit/5f9bdb375ab13ba48f30852aab94029520c54d71)
+- Updating jscs [`9b409ba`](https://github.com/ljharb/function-bind/commit/9b409ba6118e23395a4e5d83ef39152aab9d3bfc)
+- Run coverage as part of tests. [`8e1b6d4`](https://github.com/ljharb/function-bind/commit/8e1b6d459f047d1bd4fee814e01247c984c80bd0)
+- Run linter as part of tests [`c1ca83f`](https://github.com/ljharb/function-bind/commit/c1ca83f832df94587d09e621beba682fabfaa987)
+- Updating covert [`701e837`](https://github.com/ljharb/function-bind/commit/701e83774b57b4d3ef631e1948143f43a72f4bb9)
+
+## [v1.0.0](https://github.com/ljharb/function-bind/compare/v0.2.0...v1.0.0) - 2014-08-09
+
+### Commits
+
+- Make sure old and unstable nodes don't fail Travis [`27adca3`](https://github.com/ljharb/function-bind/commit/27adca34a4ab6ad67b6dfde43942a1b103ce4d75)
+- Fixing an issue when the bound function is called as a constructor in ES3. [`e20122d`](https://github.com/ljharb/function-bind/commit/e20122d267d92ce553859b280cbbea5d27c07731)
+- Adding `npm run coverage` [`a2e29c4`](https://github.com/ljharb/function-bind/commit/a2e29c4ecaef9e2f6cd1603e868c139073375502)
+- Updating tape [`b741168`](https://github.com/ljharb/function-bind/commit/b741168b12b235b1717ff696087645526b69213c)
+- Upgrading tape [`63631a0`](https://github.com/ljharb/function-bind/commit/63631a04c7fbe97cc2fa61829cc27246d6986f74)
+- Updating tape [`363cb46`](https://github.com/ljharb/function-bind/commit/363cb46dafb23cb3e347729a22f9448051d78464)
+
+## v0.2.0 - 2014-03-23
+
+### Commits
+
+- Updating test coverage to match es5-shim. [`aa94d44`](https://github.com/ljharb/function-bind/commit/aa94d44b8f9d7f69f10e060db7709aa7a694e5d4)
+- initial [`942ee07`](https://github.com/ljharb/function-bind/commit/942ee07e94e542d91798137bc4b80b926137e066)
+- Setting the bound function's length properly. [`079f46a`](https://github.com/ljharb/function-bind/commit/079f46a2d3515b7c0b308c2c13fceb641f97ca25)
+- Ensuring that some older browsers will throw when given a regex. [`36ac55b`](https://github.com/ljharb/function-bind/commit/36ac55b87f460d4330253c92870aa26fbfe8227f)
+- Removing npm scripts that don't have dependencies [`9d2be60`](https://github.com/ljharb/function-bind/commit/9d2be600002cb8bc8606f8f3585ad3e05868c750)
+- Updating tape [`297a4ac`](https://github.com/ljharb/function-bind/commit/297a4acc5464db381940aafb194d1c88f4e678f3)
+- Skipping length tests for now. [`d9891ea`](https://github.com/ljharb/function-bind/commit/d9891ea4d2aaffa69f408339cdd61ff740f70565)
+- don't take my tea [`dccd930`](https://github.com/ljharb/function-bind/commit/dccd930bfd60ea10cb178d28c97550c3bc8c1e07)
diff --git a/node_modules/function-bind/LICENSE b/node_modules/function-bind/LICENSE
new file mode 100644
index 00000000..62d6d237
--- /dev/null
+++ b/node_modules/function-bind/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2013 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/node_modules/function-bind/README.md b/node_modules/function-bind/README.md
new file mode 100644
index 00000000..814c20b5
--- /dev/null
+++ b/node_modules/function-bind/README.md
@@ -0,0 +1,46 @@
+# function-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+<!--[![coverage][codecov-image]][codecov-url]-->
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Implementation of function.prototype.bind
+
+Old versions of phantomjs, Internet Explorer < 9, and node < 0.6 don't support `Function.prototype.bind`.
+
+## Example
+
+```js
+Function.prototype.bind = require("function-bind")
+```
+
+## Installation
+
+`npm install function-bind`
+
+## Contributors
+
+ - Raynos
+
+## MIT Licenced
+
+[package-url]: https://npmjs.org/package/function-bind
+[npm-version-svg]: https://versionbadg.es/Raynos/function-bind.svg
+[deps-svg]: https://david-dm.org/Raynos/function-bind.svg
+[deps-url]: https://david-dm.org/Raynos/function-bind
+[dev-deps-svg]: https://david-dm.org/Raynos/function-bind/dev-status.svg
+[dev-deps-url]: https://david-dm.org/Raynos/function-bind#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/function-bind.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/function-bind.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/function-bind.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=function-bind
+[codecov-image]: https://codecov.io/gh/Raynos/function-bind/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/Raynos/function-bind/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/Raynos/function-bind
+[actions-url]: https://github.com/Raynos/function-bind/actions
diff --git a/node_modules/function-bind/implementation.js b/node_modules/function-bind/implementation.js
new file mode 100644
index 00000000..fd4384cc
--- /dev/null
+++ b/node_modules/function-bind/implementation.js
@@ -0,0 +1,84 @@
+'use strict';
+
+/* eslint no-invalid-this: 1 */
+
+var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
+var toStr = Object.prototype.toString;
+var max = Math.max;
+var funcType = '[object Function]';
+
+var concatty = function concatty(a, b) {
+    var arr = [];
+
+    for (var i = 0; i < a.length; i += 1) {
+        arr[i] = a[i];
+    }
+    for (var j = 0; j < b.length; j += 1) {
+        arr[j + a.length] = b[j];
+    }
+
+    return arr;
+};
+
+var slicy = function slicy(arrLike, offset) {
+    var arr = [];
+    for (var i = offset || 0, j = 0; i < arrLike.length; i += 1, j += 1) {
+        arr[j] = arrLike[i];
+    }
+    return arr;
+};
+
+var joiny = function (arr, joiner) {
+    var str = '';
+    for (var i = 0; i < arr.length; i += 1) {
+        str += arr[i];
+        if (i + 1 < arr.length) {
+            str += joiner;
+        }
+    }
+    return str;
+};
+
+module.exports = function bind(that) {
+    var target = this;
+    if (typeof target !== 'function' || toStr.apply(target) !== funcType) {
+        throw new TypeError(ERROR_MESSAGE + target);
+    }
+    var args = slicy(arguments, 1);
+
+    var bound;
+    var binder = function () {
+        if (this instanceof bound) {
+            var result = target.apply(
+                this,
+                concatty(args, arguments)
+            );
+            if (Object(result) === result) {
+                return result;
+            }
+            return this;
+        }
+        return target.apply(
+            that,
+            concatty(args, arguments)
+        );
+
+    };
+
+    var boundLength = max(0, target.length - args.length);
+    var boundArgs = [];
+    for (var i = 0; i < boundLength; i++) {
+        boundArgs[i] = '$' + i;
+    }
+
+    bound = Function('binder', 'return function (' + joiny(boundArgs, ',') + '){ return binder.apply(this,arguments); }')(binder);
+
+    if (target.prototype) {
+        var Empty = function Empty() {};
+        Empty.prototype = target.prototype;
+        bound.prototype = new Empty();
+        Empty.prototype = null;
+    }
+
+    return bound;
+};
diff --git a/node_modules/function-bind/index.js b/node_modules/function-bind/index.js
new file mode 100644
index 00000000..3bb6b960
--- /dev/null
+++ b/node_modules/function-bind/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = Function.prototype.bind || implementation;
diff --git a/node_modules/function-bind/package.json b/node_modules/function-bind/package.json
new file mode 100644
index 00000000..61859638
--- /dev/null
+++ b/node_modules/function-bind/package.json
@@ -0,0 +1,87 @@
+{
+  "name": "function-bind",
+  "version": "1.1.2",
+  "description": "Implementation of Function.prototype.bind",
+  "keywords": [
+    "function",
+    "bind",
+    "shim",
+    "es5"
+  ],
+  "author": "Raynos <raynos2@gmail.com>",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Raynos/function-bind.git"
+  },
+  "funding": {
+    "url": "https://github.com/sponsors/ljharb"
+  },
+  "main": "index",
+  "homepage": "https://github.com/Raynos/function-bind",
+  "contributors": [
+    {
+      "name": "Raynos"
+    },
+    {
+      "name": "Jordan Harband",
+      "url": "https://github.com/ljharb"
+    }
+  ],
+  "bugs": {
+    "url": "https://github.com/Raynos/function-bind/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.1.0",
+    "aud": "^2.0.3",
+    "auto-changelog": "^2.4.0",
+    "eslint": "=8.8.0",
+    "in-publish": "^2.0.1",
+    "npmignore": "^0.3.0",
+    "nyc": "^10.3.2",
+    "safe-publish-latest": "^2.0.0",
+    "tape": "^5.7.1"
+  },
+  "license": "MIT",
+  "scripts": {
+    "prepublishOnly": "safe-publish-latest",
+    "prepublish": "not-in-publish || npm run prepublishOnly",
+    "prepack": "npmignore --auto --commentLines=autogenerated",
+    "pretest": "npm run lint",
+    "test": "npm run tests-only",
+    "posttest": "aud --production",
+    "tests-only": "nyc tape 'test/**/*.js'",
+    "lint": "eslint --ext=js,mjs .",
+    "version": "auto-changelog && git add CHANGELOG.md",
+    "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+  },
+  "testling": {
+    "files": "test/index.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "auto-changelog": {
+    "output": "CHANGELOG.md",
+    "template": "keepachangelog",
+    "unreleased": false,
+    "commitLimit": false,
+    "backfillLimit": false,
+    "hideCredit": true
+  },
+  "publishConfig": {
+    "ignore": [
+      ".github/workflows"
+    ]
+  }
+}
diff --git a/node_modules/function-bind/test/.eslintrc b/node_modules/function-bind/test/.eslintrc
new file mode 100644
index 00000000..8a56d5b7
--- /dev/null
+++ b/node_modules/function-bind/test/.eslintrc
@@ -0,0 +1,9 @@
+{
+	"rules": {
+		"array-bracket-newline": 0,
+		"array-element-newline": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-invalid-this": 0,
+		"no-magic-numbers": 0,
+	}
+}
diff --git a/node_modules/function-bind/test/index.js b/node_modules/function-bind/test/index.js
new file mode 100644
index 00000000..2edecce2
--- /dev/null
+++ b/node_modules/function-bind/test/index.js
@@ -0,0 +1,252 @@
+// jscs:disable requireUseStrict
+
+var test = require('tape');
+
+var functionBind = require('../implementation');
+var getCurrentContext = function () { return this; };
+
+test('functionBind is a function', function (t) {
+    t.equal(typeof functionBind, 'function');
+    t.end();
+});
+
+test('non-functions', function (t) {
+    var nonFunctions = [true, false, [], {}, 42, 'foo', NaN, /a/g];
+    t.plan(nonFunctions.length);
+    for (var i = 0; i < nonFunctions.length; ++i) {
+        try { functionBind.call(nonFunctions[i]); } catch (ex) {
+            t.ok(ex instanceof TypeError, 'throws when given ' + String(nonFunctions[i]));
+        }
+    }
+    t.end();
+});
+
+test('without a context', function (t) {
+    t.test('binds properly', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            })
+        };
+        namespace.func(1, 2, 3);
+        st.deepEqual(args, [1, 2, 3]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('binds properly, and still supplies bound arguments', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, undefined, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('called as a constructor', function (st) {
+        var thunkify = function (value) {
+            return function () { return value; };
+        };
+        st.test('returns object value', function (sst) {
+            var expectedReturnValue = [1, 2, 3];
+            var Constructor = functionBind.call(thunkify(expectedReturnValue), null);
+            var result = new Constructor();
+            sst.equal(result, expectedReturnValue);
+            sst.end();
+        });
+
+        st.test('does not return primitive value', function (sst) {
+            var Constructor = functionBind.call(thunkify(42), null);
+            var result = new Constructor();
+            sst.notEqual(result, 42);
+            sst.end();
+        });
+
+        st.test('object from bound constructor is instance of original and bound constructor', function (sst) {
+            var A = function (x) {
+                this.name = x || 'A';
+            };
+            var B = functionBind.call(A, null, 'B');
+
+            var result = new B();
+            sst.ok(result instanceof B, 'result is instance of bound constructor');
+            sst.ok(result instanceof A, 'result is instance of original constructor');
+            sst.end();
+        });
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('with a context', function (t) {
+    t.test('with no bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext)
+        };
+        namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3], 'supplies passed arguments');
+        st.end();
+    });
+
+    t.test('with bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'supplies bound and passed arguments');
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('passes the correct arguments when called as a constructor', function (st) {
+        var expected = { name: 'Correct' };
+        var namespace = {
+            Func: functionBind.call(function (arg) {
+                return arg;
+            }, { name: 'Incorrect' })
+        };
+        var returned = new namespace.Func(expected);
+        st.equal(returned, expected, 'returns the right arg when called as a constructor');
+        st.end();
+    });
+
+    t.test('has the new instance\'s context when called as a constructor', function (st) {
+        var actualContext;
+        var expectedContext = { foo: 'bar' };
+        var namespace = {
+            Func: functionBind.call(function () {
+                actualContext = this;
+            }, expectedContext)
+        };
+        var result = new namespace.Func();
+        st.equal(result instanceof namespace.Func, true);
+        st.notEqual(actualContext, expectedContext);
+        st.end();
+    });
+
+    t.end();
+});
+
+test('bound function length', function (t) {
+    t.test('sets a correct length without thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; });
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {});
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+});
diff --git a/node_modules/get-intrinsic/.eslintrc b/node_modules/get-intrinsic/.eslintrc
new file mode 100644
index 00000000..83766362
--- /dev/null
+++ b/node_modules/get-intrinsic/.eslintrc
@@ -0,0 +1,38 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"env": {
+		"es6": true,
+		"es2017": true,
+		"es2020": true,
+		"es2021": true,
+		"es2022": true,
+	},
+
+	"rules": {
+		"array-bracket-newline": 0,
+		"complexity": 0,
+		"eqeqeq": [2, "allow-null"],
+		"func-name-matching": 0,
+		"id-length": 0,
+		"max-lines": 0,
+		"max-lines-per-function": [2, 90],
+		"max-params": [2, 4],
+		"max-statements": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"multiline-comment-style": 0,
+		"no-magic-numbers": 0,
+		"sort-keys": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"new-cap": 0,
+			},
+		},
+	],
+}
diff --git a/node_modules/get-intrinsic/.github/FUNDING.yml b/node_modules/get-intrinsic/.github/FUNDING.yml
new file mode 100644
index 00000000..8e8da0dd
--- /dev/null
+++ b/node_modules/get-intrinsic/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/get-intrinsic
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/get-intrinsic/.nycrc b/node_modules/get-intrinsic/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/get-intrinsic/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/get-intrinsic/CHANGELOG.md b/node_modules/get-intrinsic/CHANGELOG.md
new file mode 100644
index 00000000..5b4d2149
--- /dev/null
+++ b/node_modules/get-intrinsic/CHANGELOG.md
@@ -0,0 +1,178 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.7](https://github.com/ljharb/get-intrinsic/compare/v1.2.6...v1.2.7) - 2025-01-02
+
+### Commits
+
+- [Refactor] use `get-proto` directly [`00ab955`](https://github.com/ljharb/get-intrinsic/commit/00ab95546a0980c8ad42a84253daaa8d2adcedf9)
+- [Deps] update `math-intrinsics` [`c716cdd`](https://github.com/ljharb/get-intrinsic/commit/c716cdd6bbe36b438057025561b8bb5a879ac8a0)
+- [Dev Deps] update `call-bound`, `es-abstract` [`dc648a6`](https://github.com/ljharb/get-intrinsic/commit/dc648a67eb359037dff8d8619bfa71d86debccb1)
+
+## [v1.2.6](https://github.com/ljharb/get-intrinsic/compare/v1.2.5...v1.2.6) - 2024-12-11
+
+### Commits
+
+- [Refactor] use `math-intrinsics` [`841be86`](https://github.com/ljharb/get-intrinsic/commit/841be8641a9254c4c75483b30c8871b5d5065926)
+- [Refactor] use `es-object-atoms` [`42057df`](https://github.com/ljharb/get-intrinsic/commit/42057dfa16f66f64787e66482af381cc6f31d2c1)
+- [Deps] update `call-bind-apply-helpers` [`45afa24`](https://github.com/ljharb/get-intrinsic/commit/45afa24a9ee4d6d3c172db1f555b16cb27843ef4)
+- [Dev Deps] update `call-bound` [`9cba9c6`](https://github.com/ljharb/get-intrinsic/commit/9cba9c6e70212bc163b7a5529cb25df46071646f)
+
+## [v1.2.5](https://github.com/ljharb/get-intrinsic/compare/v1.2.4...v1.2.5) - 2024-12-06
+
+### Commits
+
+- [actions] split out node 10-20, and 20+ [`6e2b9dd`](https://github.com/ljharb/get-intrinsic/commit/6e2b9dd23902665681ebe453256ccfe21d7966f0)
+- [Refactor] use `dunder-proto` and `call-bind-apply-helpers` instead of `has-proto` [`c095d17`](https://github.com/ljharb/get-intrinsic/commit/c095d179ad0f4fbfff20c8a3e0cb4fe668018998)
+- [Refactor] use `gopd` [`9841d5b`](https://github.com/ljharb/get-intrinsic/commit/9841d5b35f7ab4fd2d193f0c741a50a077920e90)
+- [Dev Deps] update `@ljharb/eslint-config`, `auto-changelog`, `es-abstract`, `es-value-fixtures`, `gopd`, `mock-property`, `object-inspect`, `tape` [`2d07e01`](https://github.com/ljharb/get-intrinsic/commit/2d07e01310cee2cbaedfead6903df128b1f5d425)
+- [Deps] update `gopd`, `has-proto`, `has-symbols`, `hasown` [`974d8bf`](https://github.com/ljharb/get-intrinsic/commit/974d8bf5baad7939eef35c25cc1dd88c10a30fa6)
+- [Dev Deps] update `call-bind`, `es-abstract`, `tape` [`df9dde1`](https://github.com/ljharb/get-intrinsic/commit/df9dde178186631ab8a3165ede056549918ce4bc)
+- [Refactor] cache `es-define-property` as well [`43ef543`](https://github.com/ljharb/get-intrinsic/commit/43ef543cb02194401420e3a914a4ca9168691926)
+- [Deps] update `has-proto`, `has-symbols`, `hasown` [`ad4949d`](https://github.com/ljharb/get-intrinsic/commit/ad4949d5467316505aad89bf75f9417ed782f7af)
+- [Tests] use `call-bound` directly [`ad5c406`](https://github.com/ljharb/get-intrinsic/commit/ad5c4069774bfe90e520a35eead5fe5ca9d69e80)
+- [Deps] update `has-proto`, `hasown` [`45414ca`](https://github.com/ljharb/get-intrinsic/commit/45414caa312333a2798953682c68f85c550627dd)
+- [Tests] replace `aud` with `npm audit` [`18d3509`](https://github.com/ljharb/get-intrinsic/commit/18d3509f79460e7924da70409ee81e5053087523)
+- [Deps] update `es-define-property` [`aadaa3b`](https://github.com/ljharb/get-intrinsic/commit/aadaa3b2188d77ad9bff394ce5d4249c49eb21f5)
+- [Dev Deps] add missing peer dep [`c296a16`](https://github.com/ljharb/get-intrinsic/commit/c296a16246d0c9a5981944f4cc5cf61fbda0cf6a)
+
+## [v1.2.4](https://github.com/ljharb/get-intrinsic/compare/v1.2.3...v1.2.4) - 2024-02-05
+
+### Commits
+
+- [Refactor] use all 7 &lt;+ ES6 Errors from `es-errors` [`bcac811`](https://github.com/ljharb/get-intrinsic/commit/bcac811abdc1c982e12abf848a410d6aae148d14)
+
+## [v1.2.3](https://github.com/ljharb/get-intrinsic/compare/v1.2.2...v1.2.3) - 2024-02-03
+
+### Commits
+
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`f11db9c`](https://github.com/ljharb/get-intrinsic/commit/f11db9c4fb97d87bbd53d3c73ac6b3db3613ad3b)
+- [Dev Deps] update `aud`, `es-abstract`, `mock-property`, `npmignore` [`b7ac7d1`](https://github.com/ljharb/get-intrinsic/commit/b7ac7d1616fefb03877b1aed0c8f8d61aad32b6c)
+- [meta] simplify `exports` [`faa0cc6`](https://github.com/ljharb/get-intrinsic/commit/faa0cc618e2830ffb51a8202490b0c215d965cbc)
+- [meta] add missing `engines.node` [`774dd0b`](https://github.com/ljharb/get-intrinsic/commit/774dd0b3e8f741c3f05a6322d124d6087f146af1)
+- [Dev Deps] update `tape` [`5828e8e`](https://github.com/ljharb/get-intrinsic/commit/5828e8e4a04e69312e87a36c0ea39428a7a4c3d8)
+- [Robustness] use null objects for lookups [`eb9a11f`](https://github.com/ljharb/get-intrinsic/commit/eb9a11fa9eb3e13b193fcc05a7fb814341b1a7b7)
+- [meta] add `sideEffects` flag [`89bcc7a`](https://github.com/ljharb/get-intrinsic/commit/89bcc7a42e19bf07b7c21e3094d5ab177109e6d2)
+
+## [v1.2.2](https://github.com/ljharb/get-intrinsic/compare/v1.2.1...v1.2.2) - 2023-10-20
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `call-bind`, `es-abstract`, `mock-property`, `object-inspect`, `tape` [`f51bcf2`](https://github.com/ljharb/get-intrinsic/commit/f51bcf26412d58d17ce17c91c9afd0ad271f0762)
+- [Refactor] use `hasown` instead of `has` [`18d14b7`](https://github.com/ljharb/get-intrinsic/commit/18d14b799bea6b5765e1cec91890830cbcdb0587)
+- [Deps] update `function-bind` [`6e109c8`](https://github.com/ljharb/get-intrinsic/commit/6e109c81e03804cc5e7824fb64353cdc3d8ee2c7)
+
+## [v1.2.1](https://github.com/ljharb/get-intrinsic/compare/v1.2.0...v1.2.1) - 2023-05-13
+
+### Commits
+
+- [Fix] avoid a crash in envs without `__proto__` [`7bad8d0`](https://github.com/ljharb/get-intrinsic/commit/7bad8d061bf8721733b58b73a2565af2b6756b64)
+- [Dev Deps] update `es-abstract` [`c60e6b7`](https://github.com/ljharb/get-intrinsic/commit/c60e6b7b4cf9660c7f27ed970970fd55fac48dc5)
+
+## [v1.2.0](https://github.com/ljharb/get-intrinsic/compare/v1.1.3...v1.2.0) - 2023-01-19
+
+### Commits
+
+- [actions] update checkout action [`ca6b12f`](https://github.com/ljharb/get-intrinsic/commit/ca6b12f31eaacea4ea3b055e744cd61623385ffb)
+- [Dev Deps] update `@ljharb/eslint-config`, `es-abstract`, `object-inspect`, `tape` [`41a3727`](https://github.com/ljharb/get-intrinsic/commit/41a3727d0026fa04273ae216a5f8e12eefd72da8)
+- [Fix] ensure `Error.prototype` is undeniable [`c511e97`](https://github.com/ljharb/get-intrinsic/commit/c511e97ae99c764c4524b540dee7a70757af8da3)
+- [Dev Deps] update `aud`, `es-abstract`, `tape` [`1bef8a8`](https://github.com/ljharb/get-intrinsic/commit/1bef8a8fd439ebb80863199b6189199e0851ac67)
+- [Dev Deps] update `aud`, `es-abstract` [`0d41f16`](https://github.com/ljharb/get-intrinsic/commit/0d41f16bcd500bc28b7bfc98043ebf61ea081c26)
+- [New] add `BigInt64Array` and `BigUint64Array` [`a6cca25`](https://github.com/ljharb/get-intrinsic/commit/a6cca25f29635889b7e9bd669baf9e04be90e48c)
+- [Tests] use `gopd` [`ecf7722`](https://github.com/ljharb/get-intrinsic/commit/ecf7722240d15cfd16edda06acf63359c10fb9bd)
+
+## [v1.1.3](https://github.com/ljharb/get-intrinsic/compare/v1.1.2...v1.1.3) - 2022-09-12
+
+### Commits
+
+- [Dev Deps] update `es-abstract`, `es-value-fixtures`, `tape` [`07ff291`](https://github.com/ljharb/get-intrinsic/commit/07ff291816406ebe5a12d7f16965bde0942dd688)
+- [Fix] properly check for % signs [`50ac176`](https://github.com/ljharb/get-intrinsic/commit/50ac1760fe99c227e64eabde76e9c0e44cd881b5)
+
+## [v1.1.2](https://github.com/ljharb/get-intrinsic/compare/v1.1.1...v1.1.2) - 2022-06-08
+
+### Fixed
+
+- [Fix] properly validate against extra % signs [`#16`](https://github.com/ljharb/get-intrinsic/issues/16)
+
+### Commits
+
+- [actions] reuse common workflows [`0972547`](https://github.com/ljharb/get-intrinsic/commit/0972547efd0abc863fe4c445a6ca7eb4f8c6901d)
+- [meta] use `npmignore` to autogenerate an npmignore file [`5ba0b51`](https://github.com/ljharb/get-intrinsic/commit/5ba0b51d8d8d4f1c31d426d74abc0770fd106bad)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`c364492`](https://github.com/ljharb/get-intrinsic/commit/c364492af4af51333e6f81c0bf21fd3d602c3661)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es-abstract`, `object-inspect`, `tape` [`dc04dad`](https://github.com/ljharb/get-intrinsic/commit/dc04dad86f6e5608775a2640cb0db5927ae29ed9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es-abstract`, `object-inspect`, `safe-publish-latest`, `tape` [`1c14059`](https://github.com/ljharb/get-intrinsic/commit/1c1405984e86dd2dc9366c15d8a0294a96a146a5)
+- [Tests] use `mock-property` [`b396ef0`](https://github.com/ljharb/get-intrinsic/commit/b396ef05bb73b1d699811abd64b0d9b97997fdda)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `object-inspect`, `tape` [`c2c758d`](https://github.com/ljharb/get-intrinsic/commit/c2c758d3b90af4fef0a76910d8d3c292ec8d1d3e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`29e3c09`](https://github.com/ljharb/get-intrinsic/commit/29e3c091c2bf3e17099969847e8729d0e46896de)
+- [actions] update codecov uploader [`8cbc141`](https://github.com/ljharb/get-intrinsic/commit/8cbc1418940d7a8941f3a7985cbc4ac095c5e13d)
+- [Dev Deps] update `@ljharb/eslint-config`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`10b6f5c`](https://github.com/ljharb/get-intrinsic/commit/10b6f5c02593fb3680c581d696ac124e30652932)
+- [readme] add github actions/codecov badges [`4e25400`](https://github.com/ljharb/get-intrinsic/commit/4e25400d9f51ae9eb059cbe22d9144e70ea214e8)
+- [Tests] use `for-each` instead of `foreach` [`c05b957`](https://github.com/ljharb/get-intrinsic/commit/c05b957ad9a7bc7721af7cc9e9be1edbfe057496)
+- [Dev Deps] update `es-abstract` [`29b05ae`](https://github.com/ljharb/get-intrinsic/commit/29b05aec3e7330e9ad0b8e0f685a9112c20cdd97)
+- [meta] use `prepublishOnly` script for npm 7+ [`95c285d`](https://github.com/ljharb/get-intrinsic/commit/95c285da810516057d3bbfa871176031af38f05d)
+- [Deps] update `has-symbols` [`593cb4f`](https://github.com/ljharb/get-intrinsic/commit/593cb4fb38e7922e40e42c183f45274b636424cd)
+- [readme] fix repo URLs [`1c8305b`](https://github.com/ljharb/get-intrinsic/commit/1c8305b5365827c9b6fc785434aac0e1328ff2f5)
+- [Deps] update `has-symbols` [`c7138b6`](https://github.com/ljharb/get-intrinsic/commit/c7138b6c6d73132d859471fb8c13304e1e7c8b20)
+- [Dev Deps] remove unused `has-bigints` [`bd63aff`](https://github.com/ljharb/get-intrinsic/commit/bd63aff6ad8f3a986c557fcda2914187bdaab359)
+
+## [v1.1.1](https://github.com/ljharb/get-intrinsic/compare/v1.1.0...v1.1.1) - 2021-02-03
+
+### Fixed
+
+- [meta] export `./package.json` [`#9`](https://github.com/ljharb/get-intrinsic/issues/9)
+
+### Commits
+
+- [readme] flesh out the readme; use `evalmd` [`d12f12c`](https://github.com/ljharb/get-intrinsic/commit/d12f12c15345a0a0772cc65a7c64369529abd614)
+- [eslint] set up proper globals config [`5a8c098`](https://github.com/ljharb/get-intrinsic/commit/5a8c0984e3319d1ac0e64b102f8ec18b64e79f36)
+- [Dev Deps] update `eslint` [`7b9a5c0`](https://github.com/ljharb/get-intrinsic/commit/7b9a5c0d31a90ca1a1234181c74988fb046701cd)
+
+## [v1.1.0](https://github.com/ljharb/get-intrinsic/compare/v1.0.2...v1.1.0) - 2021-01-25
+
+### Fixed
+
+- [Refactor] delay `Function` eval until syntax-derived values are requested [`#3`](https://github.com/ljharb/get-intrinsic/issues/3)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`2ab762b`](https://github.com/ljharb/get-intrinsic/commit/2ab762b48164aea8af37a40ba105bbc8246ab8c4)
+- [meta] do not publish github action workflow files [`5e7108e`](https://github.com/ljharb/get-intrinsic/commit/5e7108e4768b244d48d9567ba4f8a6cab9c65b8e)
+- [Tests] add some coverage [`01ac7a8`](https://github.com/ljharb/get-intrinsic/commit/01ac7a87ac29738567e8524cd8c9e026b1fa8cb3)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `call-bind`, `es-abstract`, `tape`; add `call-bind` [`911b672`](https://github.com/ljharb/get-intrinsic/commit/911b672fbffae433a96924c6ce013585e425f4b7)
+- [Refactor] rearrange evalled constructors a bit [`7e7e4bf`](https://github.com/ljharb/get-intrinsic/commit/7e7e4bf583f3799c8ac1c6c5e10d2cb553957347)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`0199968`](https://github.com/ljharb/get-intrinsic/commit/01999687a263ffce0a3cb011dfbcb761754aedbc)
+
+## [v1.0.2](https://github.com/ljharb/get-intrinsic/compare/v1.0.1...v1.0.2) - 2020-12-17
+
+### Commits
+
+- [Fix] Throw for non‑existent intrinsics [`68f873b`](https://github.com/ljharb/get-intrinsic/commit/68f873b013c732a05ad6f5fc54f697e55515461b)
+- [Fix] Throw for non‑existent segments in the intrinsic path [`8325dee`](https://github.com/ljharb/get-intrinsic/commit/8325deee43128f3654d3399aa9591741ebe17b21)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-bigints`, `object-inspect` [`0c227a7`](https://github.com/ljharb/get-intrinsic/commit/0c227a7d8b629166f25715fd242553892e458525)
+- [meta] do not lint coverage output [`70d2419`](https://github.com/ljharb/get-intrinsic/commit/70d24199b620043cd9110fc5f426d214ebe21dc9)
+
+## [v1.0.1](https://github.com/ljharb/get-intrinsic/compare/v1.0.0...v1.0.1) - 2020-10-30
+
+### Commits
+
+- [Tests] gather coverage data on every job [`d1d280d`](https://github.com/ljharb/get-intrinsic/commit/d1d280dec714e3f0519cc877dbcb193057d9cac6)
+- [Fix] add missing dependencies [`5031771`](https://github.com/ljharb/get-intrinsic/commit/5031771bb1095b38be88ce7c41d5de88718e432e)
+- [Tests] use `es-value-fixtures` [`af48765`](https://github.com/ljharb/get-intrinsic/commit/af48765a23c5323fb0b6b38dbf00eb5099c7bebc)
+
+## v1.0.0 - 2020-10-29
+
+### Commits
+
+- Implementation [`bbce57c`](https://github.com/ljharb/get-intrinsic/commit/bbce57c6f33d05b2d8d3efa273ceeb3ee01127bb)
+- Tests [`17b4f0d`](https://github.com/ljharb/get-intrinsic/commit/17b4f0d56dea6b4059b56fc30ef3ee4d9500ebc2)
+- Initial commit [`3153294`](https://github.com/ljharb/get-intrinsic/commit/31532948de363b0a27dd9fd4649e7b7028ec4b44)
+- npm init [`fb326c4`](https://github.com/ljharb/get-intrinsic/commit/fb326c4d2817c8419ec31de1295f06bb268a7902)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`48862fb`](https://github.com/ljharb/get-intrinsic/commit/48862fb2508c8f6a57968e6d08b7c883afc9d550)
+- [meta] add `auto-changelog` [`5f28ad0`](https://github.com/ljharb/get-intrinsic/commit/5f28ad019e060a353d8028f9f2591a9cc93074a1)
+- [meta] add "funding"; create `FUNDING.yml` [`c2bbdde`](https://github.com/ljharb/get-intrinsic/commit/c2bbddeba73a875be61484ee4680b129a6d4e0a1)
+- [Tests] add `npm run lint` [`0a84b98`](https://github.com/ljharb/get-intrinsic/commit/0a84b98b22b7cf7a748666f705b0003a493c35fd)
+- Only apps should have lockfiles [`9586c75`](https://github.com/ljharb/get-intrinsic/commit/9586c75866c1ee678e4d5d4dbbdef6997e511b05)
diff --git a/node_modules/get-intrinsic/LICENSE b/node_modules/get-intrinsic/LICENSE
new file mode 100644
index 00000000..48f05d01
--- /dev/null
+++ b/node_modules/get-intrinsic/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/get-intrinsic/README.md b/node_modules/get-intrinsic/README.md
new file mode 100644
index 00000000..3aa0bba4
--- /dev/null
+++ b/node_modules/get-intrinsic/README.md
@@ -0,0 +1,71 @@
+# get-intrinsic <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Get and robustly cache all JS language-level intrinsics at first require time.
+
+See the syntax described [in the JS spec](https://tc39.es/ecma262/#sec-well-known-intrinsic-objects) for reference.
+
+## Example
+
+```js
+var GetIntrinsic = require('get-intrinsic');
+var assert = require('assert');
+
+// static methods
+assert.equal(GetIntrinsic('%Math.pow%'), Math.pow);
+assert.equal(Math.pow(2, 3), 8);
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+delete Math.pow;
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+
+// instance methods
+var arr = [1];
+assert.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push);
+assert.deepEqual(arr, [1]);
+
+arr.push(2);
+assert.deepEqual(arr, [1, 2]);
+
+GetIntrinsic('%Array.prototype.push%').call(arr, 3);
+assert.deepEqual(arr, [1, 2, 3]);
+
+delete Array.prototype.push;
+GetIntrinsic('%Array.prototype.push%').call(arr, 4);
+assert.deepEqual(arr, [1, 2, 3, 4]);
+
+// missing features
+delete JSON.parse; // to simulate a real intrinsic that is missing in the environment
+assert.throws(() => GetIntrinsic('%JSON.parse%'));
+assert.equal(undefined, GetIntrinsic('%JSON.parse%', true));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/get-intrinsic
+[npm-version-svg]: https://versionbadg.es/ljharb/get-intrinsic.svg
+[deps-svg]: https://david-dm.org/ljharb/get-intrinsic.svg
+[deps-url]: https://david-dm.org/ljharb/get-intrinsic
+[dev-deps-svg]: https://david-dm.org/ljharb/get-intrinsic/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/get-intrinsic#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/get-intrinsic.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/get-intrinsic.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/get-intrinsic.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=get-intrinsic
+[codecov-image]: https://codecov.io/gh/ljharb/get-intrinsic/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/get-intrinsic/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-intrinsic
+[actions-url]: https://github.com/ljharb/get-intrinsic/actions
diff --git a/node_modules/get-intrinsic/index.js b/node_modules/get-intrinsic/index.js
new file mode 100644
index 00000000..7f618f50
--- /dev/null
+++ b/node_modules/get-intrinsic/index.js
@@ -0,0 +1,377 @@
+'use strict';
+
+var undefined;
+
+var $Object = require('es-object-atoms');
+
+var $Error = require('es-errors');
+var $EvalError = require('es-errors/eval');
+var $RangeError = require('es-errors/range');
+var $ReferenceError = require('es-errors/ref');
+var $SyntaxError = require('es-errors/syntax');
+var $TypeError = require('es-errors/type');
+var $URIError = require('es-errors/uri');
+
+var abs = require('math-intrinsics/abs');
+var floor = require('math-intrinsics/floor');
+var max = require('math-intrinsics/max');
+var min = require('math-intrinsics/min');
+var pow = require('math-intrinsics/pow');
+var round = require('math-intrinsics/round');
+var sign = require('math-intrinsics/sign');
+
+var $Function = Function;
+
+// eslint-disable-next-line consistent-return
+var getEvalledConstructor = function (expressionSyntax) {
+	try {
+		return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')();
+	} catch (e) {}
+};
+
+var $gOPD = require('gopd');
+var $defineProperty = require('es-define-property');
+
+var throwTypeError = function () {
+	throw new $TypeError();
+};
+var ThrowTypeError = $gOPD
+	? (function () {
+		try {
+			// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
+			arguments.callee; // IE 8 does not throw here
+			return throwTypeError;
+		} catch (calleeThrows) {
+			try {
+				// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
+				return $gOPD(arguments, 'callee').get;
+			} catch (gOPDthrows) {
+				return throwTypeError;
+			}
+		}
+	}())
+	: throwTypeError;
+
+var hasSymbols = require('has-symbols')();
+
+var getProto = require('get-proto');
+var $ObjectGPO = require('get-proto/Object.getPrototypeOf');
+var $ReflectGPO = require('get-proto/Reflect.getPrototypeOf');
+
+var $apply = require('call-bind-apply-helpers/functionApply');
+var $call = require('call-bind-apply-helpers/functionCall');
+
+var needsEval = {};
+
+var TypedArray = typeof Uint8Array === 'undefined' || !getProto ? undefined : getProto(Uint8Array);
+
+var INTRINSICS = {
+	__proto__: null,
+	'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,
+	'%Array%': Array,
+	'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,
+	'%ArrayIteratorPrototype%': hasSymbols && getProto ? getProto([][Symbol.iterator]()) : undefined,
+	'%AsyncFromSyncIteratorPrototype%': undefined,
+	'%AsyncFunction%': needsEval,
+	'%AsyncGenerator%': needsEval,
+	'%AsyncGeneratorFunction%': needsEval,
+	'%AsyncIteratorPrototype%': needsEval,
+	'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,
+	'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,
+	'%BigInt64Array%': typeof BigInt64Array === 'undefined' ? undefined : BigInt64Array,
+	'%BigUint64Array%': typeof BigUint64Array === 'undefined' ? undefined : BigUint64Array,
+	'%Boolean%': Boolean,
+	'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,
+	'%Date%': Date,
+	'%decodeURI%': decodeURI,
+	'%decodeURIComponent%': decodeURIComponent,
+	'%encodeURI%': encodeURI,
+	'%encodeURIComponent%': encodeURIComponent,
+	'%Error%': $Error,
+	'%eval%': eval, // eslint-disable-line no-eval
+	'%EvalError%': $EvalError,
+	'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,
+	'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,
+	'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,
+	'%Function%': $Function,
+	'%GeneratorFunction%': needsEval,
+	'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,
+	'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,
+	'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,
+	'%isFinite%': isFinite,
+	'%isNaN%': isNaN,
+	'%IteratorPrototype%': hasSymbols && getProto ? getProto(getProto([][Symbol.iterator]())) : undefined,
+	'%JSON%': typeof JSON === 'object' ? JSON : undefined,
+	'%Map%': typeof Map === 'undefined' ? undefined : Map,
+	'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Map()[Symbol.iterator]()),
+	'%Math%': Math,
+	'%Number%': Number,
+	'%Object%': $Object,
+	'%Object.getOwnPropertyDescriptor%': $gOPD,
+	'%parseFloat%': parseFloat,
+	'%parseInt%': parseInt,
+	'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,
+	'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,
+	'%RangeError%': $RangeError,
+	'%ReferenceError%': $ReferenceError,
+	'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,
+	'%RegExp%': RegExp,
+	'%Set%': typeof Set === 'undefined' ? undefined : Set,
+	'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Set()[Symbol.iterator]()),
+	'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,
+	'%String%': String,
+	'%StringIteratorPrototype%': hasSymbols && getProto ? getProto(''[Symbol.iterator]()) : undefined,
+	'%Symbol%': hasSymbols ? Symbol : undefined,
+	'%SyntaxError%': $SyntaxError,
+	'%ThrowTypeError%': ThrowTypeError,
+	'%TypedArray%': TypedArray,
+	'%TypeError%': $TypeError,
+	'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,
+	'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,
+	'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,
+	'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,
+	'%URIError%': $URIError,
+	'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,
+	'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,
+	'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet,
+
+	'%Function.prototype.call%': $call,
+	'%Function.prototype.apply%': $apply,
+	'%Object.defineProperty%': $defineProperty,
+	'%Object.getPrototypeOf%': $ObjectGPO,
+	'%Math.abs%': abs,
+	'%Math.floor%': floor,
+	'%Math.max%': max,
+	'%Math.min%': min,
+	'%Math.pow%': pow,
+	'%Math.round%': round,
+	'%Math.sign%': sign,
+	'%Reflect.getPrototypeOf%': $ReflectGPO
+};
+
+if (getProto) {
+	try {
+		null.error; // eslint-disable-line no-unused-expressions
+	} catch (e) {
+		// https://github.com/tc39/proposal-shadowrealm/pull/384#issuecomment-1364264229
+		var errorProto = getProto(getProto(e));
+		INTRINSICS['%Error.prototype%'] = errorProto;
+	}
+}
+
+var doEval = function doEval(name) {
+	var value;
+	if (name === '%AsyncFunction%') {
+		value = getEvalledConstructor('async function () {}');
+	} else if (name === '%GeneratorFunction%') {
+		value = getEvalledConstructor('function* () {}');
+	} else if (name === '%AsyncGeneratorFunction%') {
+		value = getEvalledConstructor('async function* () {}');
+	} else if (name === '%AsyncGenerator%') {
+		var fn = doEval('%AsyncGeneratorFunction%');
+		if (fn) {
+			value = fn.prototype;
+		}
+	} else if (name === '%AsyncIteratorPrototype%') {
+		var gen = doEval('%AsyncGenerator%');
+		if (gen && getProto) {
+			value = getProto(gen.prototype);
+		}
+	}
+
+	INTRINSICS[name] = value;
+
+	return value;
+};
+
+var LEGACY_ALIASES = {
+	__proto__: null,
+	'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],
+	'%ArrayPrototype%': ['Array', 'prototype'],
+	'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],
+	'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],
+	'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],
+	'%ArrayProto_values%': ['Array', 'prototype', 'values'],
+	'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],
+	'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],
+	'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],
+	'%BooleanPrototype%': ['Boolean', 'prototype'],
+	'%DataViewPrototype%': ['DataView', 'prototype'],
+	'%DatePrototype%': ['Date', 'prototype'],
+	'%ErrorPrototype%': ['Error', 'prototype'],
+	'%EvalErrorPrototype%': ['EvalError', 'prototype'],
+	'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],
+	'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],
+	'%FunctionPrototype%': ['Function', 'prototype'],
+	'%Generator%': ['GeneratorFunction', 'prototype'],
+	'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],
+	'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],
+	'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],
+	'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],
+	'%JSONParse%': ['JSON', 'parse'],
+	'%JSONStringify%': ['JSON', 'stringify'],
+	'%MapPrototype%': ['Map', 'prototype'],
+	'%NumberPrototype%': ['Number', 'prototype'],
+	'%ObjectPrototype%': ['Object', 'prototype'],
+	'%ObjProto_toString%': ['Object', 'prototype', 'toString'],
+	'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],
+	'%PromisePrototype%': ['Promise', 'prototype'],
+	'%PromiseProto_then%': ['Promise', 'prototype', 'then'],
+	'%Promise_all%': ['Promise', 'all'],
+	'%Promise_reject%': ['Promise', 'reject'],
+	'%Promise_resolve%': ['Promise', 'resolve'],
+	'%RangeErrorPrototype%': ['RangeError', 'prototype'],
+	'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],
+	'%RegExpPrototype%': ['RegExp', 'prototype'],
+	'%SetPrototype%': ['Set', 'prototype'],
+	'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],
+	'%StringPrototype%': ['String', 'prototype'],
+	'%SymbolPrototype%': ['Symbol', 'prototype'],
+	'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],
+	'%TypedArrayPrototype%': ['TypedArray', 'prototype'],
+	'%TypeErrorPrototype%': ['TypeError', 'prototype'],
+	'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],
+	'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],
+	'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],
+	'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],
+	'%URIErrorPrototype%': ['URIError', 'prototype'],
+	'%WeakMapPrototype%': ['WeakMap', 'prototype'],
+	'%WeakSetPrototype%': ['WeakSet', 'prototype']
+};
+
+var bind = require('function-bind');
+var hasOwn = require('hasown');
+var $concat = bind.call($call, Array.prototype.concat);
+var $spliceApply = bind.call($apply, Array.prototype.splice);
+var $replace = bind.call($call, String.prototype.replace);
+var $strSlice = bind.call($call, String.prototype.slice);
+var $exec = bind.call($call, RegExp.prototype.exec);
+
+/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
+var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
+var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
+var stringToPath = function stringToPath(string) {
+	var first = $strSlice(string, 0, 1);
+	var last = $strSlice(string, -1);
+	if (first === '%' && last !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`');
+	} else if (last === '%' && first !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`');
+	}
+	var result = [];
+	$replace(string, rePropName, function (match, number, quote, subString) {
+		result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;
+	});
+	return result;
+};
+/* end adaptation */
+
+var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
+	var intrinsicName = name;
+	var alias;
+	if (hasOwn(LEGACY_ALIASES, intrinsicName)) {
+		alias = LEGACY_ALIASES[intrinsicName];
+		intrinsicName = '%' + alias[0] + '%';
+	}
+
+	if (hasOwn(INTRINSICS, intrinsicName)) {
+		var value = INTRINSICS[intrinsicName];
+		if (value === needsEval) {
+			value = doEval(intrinsicName);
+		}
+		if (typeof value === 'undefined' && !allowMissing) {
+			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
+		}
+
+		return {
+			alias: alias,
+			name: intrinsicName,
+			value: value
+		};
+	}
+
+	throw new $SyntaxError('intrinsic ' + name + ' does not exist!');
+};
+
+module.exports = function GetIntrinsic(name, allowMissing) {
+	if (typeof name !== 'string' || name.length === 0) {
+		throw new $TypeError('intrinsic name must be a non-empty string');
+	}
+	if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
+		throw new $TypeError('"allowMissing" argument must be a boolean');
+	}
+
+	if ($exec(/^%?[^%]*%?$/, name) === null) {
+		throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name');
+	}
+	var parts = stringToPath(name);
+	var intrinsicBaseName = parts.length > 0 ? parts[0] : '';
+
+	var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);
+	var intrinsicRealName = intrinsic.name;
+	var value = intrinsic.value;
+	var skipFurtherCaching = false;
+
+	var alias = intrinsic.alias;
+	if (alias) {
+		intrinsicBaseName = alias[0];
+		$spliceApply(parts, $concat([0, 1], alias));
+	}
+
+	for (var i = 1, isOwn = true; i < parts.length; i += 1) {
+		var part = parts[i];
+		var first = $strSlice(part, 0, 1);
+		var last = $strSlice(part, -1);
+		if (
+			(
+				(first === '"' || first === "'" || first === '`')
+				|| (last === '"' || last === "'" || last === '`')
+			)
+			&& first !== last
+		) {
+			throw new $SyntaxError('property names with quotes must have matching quotes');
+		}
+		if (part === 'constructor' || !isOwn) {
+			skipFurtherCaching = true;
+		}
+
+		intrinsicBaseName += '.' + part;
+		intrinsicRealName = '%' + intrinsicBaseName + '%';
+
+		if (hasOwn(INTRINSICS, intrinsicRealName)) {
+			value = INTRINSICS[intrinsicRealName];
+		} else if (value != null) {
+			if (!(part in value)) {
+				if (!allowMissing) {
+					throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
+				}
+				return void undefined;
+			}
+			if ($gOPD && (i + 1) >= parts.length) {
+				var desc = $gOPD(value, part);
+				isOwn = !!desc;
+
+				// By convention, when a data property is converted to an accessor
+				// property to emulate a data property that does not suffer from
+				// the override mistake, that accessor's getter is marked with
+				// an `originalValue` property. Here, when we detect this, we
+				// uphold the illusion by pretending to see that original data
+				// property, i.e., returning the value rather than the getter
+				// itself.
+				if (isOwn && 'get' in desc && !('originalValue' in desc.get)) {
+					value = desc.get;
+				} else {
+					value = value[part];
+				}
+			} else {
+				isOwn = hasOwn(value, part);
+				value = value[part];
+			}
+
+			if (isOwn && !skipFurtherCaching) {
+				INTRINSICS[intrinsicRealName] = value;
+			}
+		}
+	}
+	return value;
+};
diff --git a/node_modules/get-intrinsic/package.json b/node_modules/get-intrinsic/package.json
new file mode 100644
index 00000000..f941bfef
--- /dev/null
+++ b/node_modules/get-intrinsic/package.json
@@ -0,0 +1,97 @@
+{
+	"name": "get-intrinsic",
+	"version": "1.2.7",
+	"description": "Get and robustly cache all JS language-level intrinsics at first require time",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/get-intrinsic.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"intrinsic",
+		"getintrinsic",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/get-intrinsic/issues"
+	},
+	"homepage": "https://github.com/ljharb/get-intrinsic#readme",
+	"dependencies": {
+		"call-bind-apply-helpers": "^1.0.1",
+		"es-define-property": "^1.0.1",
+		"es-errors": "^1.3.0",
+		"es-object-atoms": "^1.0.0",
+		"function-bind": "^1.1.2",
+		"get-proto": "^1.0.0",
+		"gopd": "^1.2.0",
+		"has-symbols": "^1.1.0",
+		"hasown": "^2.0.2",
+		"math-intrinsics": "^1.1.0"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.1",
+		"auto-changelog": "^2.5.0",
+		"call-bound": "^1.0.3",
+		"encoding": "^0.1.13",
+		"es-abstract": "^1.23.8",
+		"es-value-fixtures": "^1.5.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"make-async-function": "^1.0.0",
+		"make-async-generator-function": "^1.0.0",
+		"make-generator-function": "^2.0.0",
+		"mock-property": "^1.1.0",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.3",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"testling": {
+		"files": "test/GetIntrinsic.js"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/get-intrinsic/test/GetIntrinsic.js b/node_modules/get-intrinsic/test/GetIntrinsic.js
new file mode 100644
index 00000000..d9c0f30a
--- /dev/null
+++ b/node_modules/get-intrinsic/test/GetIntrinsic.js
@@ -0,0 +1,274 @@
+'use strict';
+
+var GetIntrinsic = require('../');
+
+var test = require('tape');
+var forEach = require('for-each');
+var debug = require('object-inspect');
+var generatorFns = require('make-generator-function')();
+var asyncFns = require('make-async-function').list();
+var asyncGenFns = require('make-async-generator-function')();
+var mockProperty = require('mock-property');
+
+var callBound = require('call-bound');
+var v = require('es-value-fixtures');
+var $gOPD = require('gopd');
+var DefinePropertyOrThrow = require('es-abstract/2023/DefinePropertyOrThrow');
+
+var $isProto = callBound('%Object.prototype.isPrototypeOf%');
+
+test('export', function (t) {
+	t.equal(typeof GetIntrinsic, 'function', 'it is a function');
+	t.equal(GetIntrinsic.length, 2, 'function has length of 2');
+
+	t.end();
+});
+
+test('throws', function (t) {
+	t['throws'](
+		function () { GetIntrinsic('not an intrinsic'); },
+		SyntaxError,
+		'nonexistent intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic(''); },
+		TypeError,
+		'empty string intrinsic throws a type error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('.'); },
+		SyntaxError,
+		'"just a dot" intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%String'); },
+		SyntaxError,
+		'Leading % without trailing % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('String%'); },
+		SyntaxError,
+		'Trailing % without leading % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic("String['prototype]"); },
+		SyntaxError,
+		'Dynamic property access is disallowed for intrinsics (unterminated string)'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Proxy.prototype.undefined%'); },
+		TypeError,
+		"Throws when middle part doesn't exist (%Proxy.prototype.undefined%)"
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%garbage%'); },
+		SyntaxError,
+		'Throws with extra percent signs'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%push%'); },
+		SyntaxError,
+		'Throws with extra percent signs, even on an existing intrinsic'
+	);
+
+	forEach(v.nonStrings, function (nonString) {
+		t['throws'](
+			function () { GetIntrinsic(nonString); },
+			TypeError,
+			debug(nonString) + ' is not a String'
+		);
+	});
+
+	forEach(v.nonBooleans, function (nonBoolean) {
+		t['throws'](
+			function () { GetIntrinsic('%', nonBoolean); },
+			TypeError,
+			debug(nonBoolean) + ' is not a Boolean'
+		);
+	});
+
+	forEach([
+		'toString',
+		'propertyIsEnumerable',
+		'hasOwnProperty'
+	], function (objectProtoMember) {
+		t['throws'](
+			function () { GetIntrinsic(objectProtoMember); },
+			SyntaxError,
+			debug(objectProtoMember) + ' is not an intrinsic'
+		);
+	});
+
+	t.end();
+});
+
+test('base intrinsics', function (t) {
+	t.equal(GetIntrinsic('%Object%'), Object, '%Object% yields Object');
+	t.equal(GetIntrinsic('Object'), Object, 'Object yields Object');
+	t.equal(GetIntrinsic('%Array%'), Array, '%Array% yields Array');
+	t.equal(GetIntrinsic('Array'), Array, 'Array yields Array');
+
+	t.end();
+});
+
+test('dotted paths', function (t) {
+	t.equal(GetIntrinsic('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% yields Object.prototype.toString');
+	t.equal(GetIntrinsic('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString yields Object.prototype.toString');
+	t.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push, '%Array.prototype.push% yields Array.prototype.push');
+	t.equal(GetIntrinsic('Array.prototype.push'), Array.prototype.push, 'Array.prototype.push yields Array.prototype.push');
+
+	test('underscore paths are aliases for dotted paths', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%ObjProto_toString%');
+
+		forEach([
+			'%Object.prototype.toString%',
+			'Object.prototype.toString',
+			'%ObjectPrototype.toString%',
+			'ObjectPrototype.toString',
+			'%ObjProto_toString%',
+			'ObjProto_toString'
+		], function (name) {
+			DefinePropertyOrThrow(Object.prototype, 'toString', {
+				'[[Value]]': function toString() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');
+		});
+
+		DefinePropertyOrThrow(Object.prototype, 'toString', { '[[Value]]': original });
+		st.end();
+	});
+
+	test('dotted paths cache', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%Object.prototype.propertyIsEnumerable%');
+
+		forEach([
+			'%Object.prototype.propertyIsEnumerable%',
+			'Object.prototype.propertyIsEnumerable',
+			'%ObjectPrototype.propertyIsEnumerable%',
+			'ObjectPrototype.propertyIsEnumerable'
+		], function (name) {
+			var restore = mockProperty(Object.prototype, 'propertyIsEnumerable', {
+				value: function propertyIsEnumerable() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');
+
+			restore();
+		});
+
+		st.end();
+	});
+
+	test('dotted path reports correct error', function (st) {
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsic.prototype.property%');
+		}, /%NonExistentIntrinsic%/, 'The base intrinsic of %NonExistentIntrinsic.prototype.property% is %NonExistentIntrinsic%');
+
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsicPrototype.property%');
+		}, /%NonExistentIntrinsicPrototype%/, 'The base intrinsic of %NonExistentIntrinsicPrototype.property% is %NonExistentIntrinsicPrototype%');
+
+		st.end();
+	});
+
+	t.end();
+});
+
+test('accessors', { skip: !$gOPD || typeof Map !== 'function' }, function (t) {
+	var actual = $gOPD(Map.prototype, 'size');
+	t.ok(actual, 'Map.prototype.size has a descriptor');
+	t.equal(typeof actual.get, 'function', 'Map.prototype.size has a getter function');
+	t.equal(GetIntrinsic('%Map.prototype.size%'), actual.get, '%Map.prototype.size% yields the getter for it');
+	t.equal(GetIntrinsic('Map.prototype.size'), actual.get, 'Map.prototype.size yields the getter for it');
+
+	t.end();
+});
+
+test('generator functions', { skip: !generatorFns.length }, function (t) {
+	var $GeneratorFunction = GetIntrinsic('%GeneratorFunction%');
+	var $GeneratorFunctionPrototype = GetIntrinsic('%Generator%');
+	var $GeneratorPrototype = GetIntrinsic('%GeneratorPrototype%');
+
+	forEach(generatorFns, function (genFn) {
+		var fnName = genFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'genFn';
+
+		t.ok(genFn instanceof $GeneratorFunction, fnName + ' instanceof %GeneratorFunction%');
+		t.ok($isProto($GeneratorFunctionPrototype, genFn), '%Generator% is prototype of ' + fnName);
+		t.ok($isProto($GeneratorPrototype, genFn.prototype), '%GeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('async functions', { skip: !asyncFns.length }, function (t) {
+	var $AsyncFunction = GetIntrinsic('%AsyncFunction%');
+	var $AsyncFunctionPrototype = GetIntrinsic('%AsyncFunctionPrototype%');
+
+	forEach(asyncFns, function (asyncFn) {
+		var fnName = asyncFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncFn';
+
+		t.ok(asyncFn instanceof $AsyncFunction, fnName + ' instanceof %AsyncFunction%');
+		t.ok($isProto($AsyncFunctionPrototype, asyncFn), '%AsyncFunctionPrototype% is prototype of ' + fnName);
+	});
+
+	t.end();
+});
+
+test('async generator functions', { skip: asyncGenFns.length === 0 }, function (t) {
+	var $AsyncGeneratorFunction = GetIntrinsic('%AsyncGeneratorFunction%');
+	var $AsyncGeneratorFunctionPrototype = GetIntrinsic('%AsyncGenerator%');
+	var $AsyncGeneratorPrototype = GetIntrinsic('%AsyncGeneratorPrototype%');
+
+	forEach(asyncGenFns, function (asyncGenFn) {
+		var fnName = asyncGenFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncGenFn';
+
+		t.ok(asyncGenFn instanceof $AsyncGeneratorFunction, fnName + ' instanceof %AsyncGeneratorFunction%');
+		t.ok($isProto($AsyncGeneratorFunctionPrototype, asyncGenFn), '%AsyncGenerator% is prototype of ' + fnName);
+		t.ok($isProto($AsyncGeneratorPrototype, asyncGenFn.prototype), '%AsyncGeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('%ThrowTypeError%', function (t) {
+	var $ThrowTypeError = GetIntrinsic('%ThrowTypeError%');
+
+	t.equal(typeof $ThrowTypeError, 'function', 'is a function');
+	t['throws'](
+		$ThrowTypeError,
+		TypeError,
+		'%ThrowTypeError% throws a TypeError'
+	);
+
+	t.end();
+});
+
+test('allowMissing', { skip: asyncGenFns.length > 0 }, function (t) {
+	t['throws'](
+		function () { GetIntrinsic('%AsyncGeneratorPrototype%'); },
+		TypeError,
+		'throws when missing'
+	);
+
+	t.equal(
+		GetIntrinsic('%AsyncGeneratorPrototype%', true),
+		undefined,
+		'does not throw when allowMissing'
+	);
+
+	t.end();
+});
diff --git a/node_modules/get-proto/.eslintrc b/node_modules/get-proto/.eslintrc
new file mode 100644
index 00000000..1d21a8ae
--- /dev/null
+++ b/node_modules/get-proto/.eslintrc
@@ -0,0 +1,10 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": "off",
+		"sort-keys": "off",
+	},
+}
diff --git a/node_modules/get-proto/.github/FUNDING.yml b/node_modules/get-proto/.github/FUNDING.yml
new file mode 100644
index 00000000..93183ef5
--- /dev/null
+++ b/node_modules/get-proto/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/get-proto
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/get-proto/.nycrc b/node_modules/get-proto/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/get-proto/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/get-proto/CHANGELOG.md b/node_modules/get-proto/CHANGELOG.md
new file mode 100644
index 00000000..58602293
--- /dev/null
+++ b/node_modules/get-proto/CHANGELOG.md
@@ -0,0 +1,21 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.1](https://github.com/ljharb/get-proto/compare/v1.0.0...v1.0.1) - 2025-01-02
+
+### Commits
+
+- [Fix] for the `Object.getPrototypeOf` window, throw for non-objects [`7fe6508`](https://github.com/ljharb/get-proto/commit/7fe6508b71419ebe1976bedb86001d1feaeaa49a)
+
+## v1.0.0 - 2025-01-01
+
+### Commits
+
+- Initial implementation, tests, readme, types [`5c70775`](https://github.com/ljharb/get-proto/commit/5c707751e81c3deeb2cf980d185fc7fd43611415)
+- Initial commit [`7c65c2a`](https://github.com/ljharb/get-proto/commit/7c65c2ad4e33d5dae2f219ebe1a046ae2256972c)
+- npm init [`0b8cf82`](https://github.com/ljharb/get-proto/commit/0b8cf824c9634e4a34ef7dd2a2cdc5be6ac79518)
+- Only apps should have lockfiles [`a6d1bff`](https://github.com/ljharb/get-proto/commit/a6d1bffc364f5828377cea7194558b2dbef7aea2)
diff --git a/node_modules/get-proto/LICENSE b/node_modules/get-proto/LICENSE
new file mode 100644
index 00000000..eeabd1c3
--- /dev/null
+++ b/node_modules/get-proto/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/get-proto/Object.getPrototypeOf.d.ts b/node_modules/get-proto/Object.getPrototypeOf.d.ts
new file mode 100644
index 00000000..028b3ff1
--- /dev/null
+++ b/node_modules/get-proto/Object.getPrototypeOf.d.ts
@@ -0,0 +1,5 @@
+declare function getProto<O extends object>(object: O): object | null;
+
+declare const x: typeof getProto | null;
+
+export = x;
\ No newline at end of file
diff --git a/node_modules/get-proto/Object.getPrototypeOf.js b/node_modules/get-proto/Object.getPrototypeOf.js
new file mode 100644
index 00000000..c2cbbdfc
--- /dev/null
+++ b/node_modules/get-proto/Object.getPrototypeOf.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var $Object = require('es-object-atoms');
+
+/** @type {import('./Object.getPrototypeOf')} */
+module.exports = $Object.getPrototypeOf || null;
diff --git a/node_modules/get-proto/README.md b/node_modules/get-proto/README.md
new file mode 100644
index 00000000..f8b4cce3
--- /dev/null
+++ b/node_modules/get-proto/README.md
@@ -0,0 +1,50 @@
+# get-proto <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Robustly get the [[Prototype]] of an object. Uses the best available method.
+
+## Getting started
+
+```sh
+npm install --save get-proto
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getProto = require('get-proto');
+
+const a = { a: 1, b: 2, [Symbol.toStringTag]: 'foo' };
+const b = { c: 3, __proto__: a };
+
+assert.equal(getProto(b), a);
+assert.equal(getProto(a), Object.prototype);
+assert.equal(getProto({ __proto__: null }), null);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/get-proto
+[npm-version-svg]: https://versionbadg.es/ljharb/get-proto.svg
+[deps-svg]: https://david-dm.org/ljharb/get-proto.svg
+[deps-url]: https://david-dm.org/ljharb/get-proto
+[dev-deps-svg]: https://david-dm.org/ljharb/get-proto/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/get-proto#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/get-proto.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/get-proto.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/get-proto.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=get-proto
+[codecov-image]: https://codecov.io/gh/ljharb/get-proto/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/get-proto/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-proto
+[actions-url]: https://github.com/ljharb/get-proto/actions
diff --git a/node_modules/get-proto/Reflect.getPrototypeOf.d.ts b/node_modules/get-proto/Reflect.getPrototypeOf.d.ts
new file mode 100644
index 00000000..2388fe07
--- /dev/null
+++ b/node_modules/get-proto/Reflect.getPrototypeOf.d.ts
@@ -0,0 +1,3 @@
+declare const x: typeof Reflect.getPrototypeOf | null;
+
+export = x;
\ No newline at end of file
diff --git a/node_modules/get-proto/Reflect.getPrototypeOf.js b/node_modules/get-proto/Reflect.getPrototypeOf.js
new file mode 100644
index 00000000..e6c51bee
--- /dev/null
+++ b/node_modules/get-proto/Reflect.getPrototypeOf.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./Reflect.getPrototypeOf')} */
+module.exports = (typeof Reflect !== 'undefined' && Reflect.getPrototypeOf) || null;
diff --git a/node_modules/get-proto/index.d.ts b/node_modules/get-proto/index.d.ts
new file mode 100644
index 00000000..2c021f30
--- /dev/null
+++ b/node_modules/get-proto/index.d.ts
@@ -0,0 +1,5 @@
+declare function getProto<O extends object>(object: O): object | null;
+
+declare const x: typeof getProto | null;
+
+export = x;
diff --git a/node_modules/get-proto/index.js b/node_modules/get-proto/index.js
new file mode 100644
index 00000000..7e5747be
--- /dev/null
+++ b/node_modules/get-proto/index.js
@@ -0,0 +1,27 @@
+'use strict';
+
+var reflectGetProto = require('./Reflect.getPrototypeOf');
+var originalGetProto = require('./Object.getPrototypeOf');
+
+var getDunderProto = require('dunder-proto/get');
+
+/** @type {import('.')} */
+module.exports = reflectGetProto
+	? function getProto(O) {
+		// @ts-expect-error TS can't narrow inside a closure, for some reason
+		return reflectGetProto(O);
+	}
+	: originalGetProto
+		? function getProto(O) {
+			if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
+				throw new TypeError('getProto: not an object');
+			}
+			// @ts-expect-error TS can't narrow inside a closure, for some reason
+			return originalGetProto(O);
+		}
+		: getDunderProto
+			? function getProto(O) {
+				// @ts-expect-error TS can't narrow inside a closure, for some reason
+				return getDunderProto(O);
+			}
+			: null;
diff --git a/node_modules/get-proto/package.json b/node_modules/get-proto/package.json
new file mode 100644
index 00000000..9c35cec9
--- /dev/null
+++ b/node_modules/get-proto/package.json
@@ -0,0 +1,81 @@
+{
+	"name": "get-proto",
+	"version": "1.0.1",
+	"description": "Robustly get the [[Prototype]] of an object",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./Reflect.getPrototypeOf": "./Reflect.getPrototypeOf.js",
+		"./Object.getPrototypeOf": "./Object.getPrototypeOf.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"pretest": "npm run --silent lint",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@\">=10.2\" audit --production",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc && attw -P",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/get-proto.git"
+	},
+	"keywords": [
+		"get",
+		"proto",
+		"prototype",
+		"getPrototypeOf",
+		"[[Prototype]]"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/get-proto/issues"
+	},
+	"homepage": "https://github.com/ljharb/get-proto#readme",
+	"dependencies": {
+		"dunder-proto": "^1.0.1",
+		"es-object-atoms": "^1.0.0"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.2",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.3",
+		"@types/tape": "^5.8.0",
+		"auto-changelog": "^2.5.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"testling": {
+		"files": "test/index.js"
+	}
+}
diff --git a/node_modules/get-proto/test/index.js b/node_modules/get-proto/test/index.js
new file mode 100644
index 00000000..5a2ece25
--- /dev/null
+++ b/node_modules/get-proto/test/index.js
@@ -0,0 +1,68 @@
+'use strict';
+
+var test = require('tape');
+
+var getProto = require('../');
+
+test('getProto', function (t) {
+	t.equal(typeof getProto, 'function', 'is a function');
+
+	t.test('can get', { skip: !getProto }, function (st) {
+		if (getProto) { // TS doesn't understand tape's skip
+			var proto = { b: 2 };
+			st.equal(getProto(proto), Object.prototype, 'proto: returns the [[Prototype]]');
+
+			st.test('nullish value', function (s2t) {
+			// @ts-expect-error
+				s2t['throws'](function () { return getProto(undefined); }, TypeError, 'undefined is not an object');
+				// @ts-expect-error
+				s2t['throws'](function () { return getProto(null); }, TypeError, 'null is not an object');
+				s2t.end();
+			});
+
+			// @ts-expect-error
+			st['throws'](function () { getProto(true); }, 'throws for true');
+			// @ts-expect-error
+			st['throws'](function () { getProto(false); }, 'throws for false');
+			// @ts-expect-error
+			st['throws'](function () { getProto(42); }, 'throws for 42');
+			// @ts-expect-error
+			st['throws'](function () { getProto(NaN); }, 'throws for NaN');
+			// @ts-expect-error
+			st['throws'](function () { getProto(0); }, 'throws for +0');
+			// @ts-expect-error
+			st['throws'](function () { getProto(-0); }, 'throws for -0');
+			// @ts-expect-error
+			st['throws'](function () { getProto(Infinity); }, 'throws for ∞');
+			// @ts-expect-error
+			st['throws'](function () { getProto(-Infinity); }, 'throws for -∞');
+			// @ts-expect-error
+			st['throws'](function () { getProto(''); }, 'throws for empty string');
+			// @ts-expect-error
+			st['throws'](function () { getProto('foo'); }, 'throws for non-empty string');
+			st.equal(getProto(/a/g), RegExp.prototype);
+			st.equal(getProto(new Date()), Date.prototype);
+			st.equal(getProto(function () {}), Function.prototype);
+			st.equal(getProto([]), Array.prototype);
+			st.equal(getProto({}), Object.prototype);
+
+			var nullObject = { __proto__: null };
+			if ('toString' in nullObject) {
+				st.comment('no null objects in this engine');
+				st.equal(getProto(nullObject), Object.prototype, '"null" object has Object.prototype as [[Prototype]]');
+			} else {
+				st.equal(getProto(nullObject), null, 'null object has null [[Prototype]]');
+			}
+		}
+
+		st.end();
+	});
+
+	t.test('can not get', { skip: !!getProto }, function (st) {
+		st.equal(getProto, null);
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/get-proto/tsconfig.json b/node_modules/get-proto/tsconfig.json
new file mode 100644
index 00000000..60fb90e4
--- /dev/null
+++ b/node_modules/get-proto/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		//"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/get-value/LICENSE b/node_modules/get-value/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/get-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/get-value/index.js b/node_modules/get-value/index.js
new file mode 100644
index 00000000..5879a884
--- /dev/null
+++ b/node_modules/get-value/index.js
@@ -0,0 +1,50 @@
+/*!
+ * get-value <https://github.com/jonschlinkert/get-value>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+module.exports = function(obj, prop, a, b, c) {
+  if (!isObject(obj) || !prop) {
+    return obj;
+  }
+
+  prop = toString(prop);
+
+  // allowing for multiple properties to be passed as
+  // a string or array, but much faster (3-4x) than doing
+  // `[].slice.call(arguments)`
+  if (a) prop += '.' + toString(a);
+  if (b) prop += '.' + toString(b);
+  if (c) prop += '.' + toString(c);
+
+  if (prop in obj) {
+    return obj[prop];
+  }
+
+  var segs = prop.split('.');
+  var len = segs.length;
+  var i = -1;
+
+  while (obj && (++i < len)) {
+    var key = segs[i];
+    while (key[key.length - 1] === '\\') {
+      key = key.slice(0, -1) + '.' + segs[++i];
+    }
+    obj = obj[key];
+  }
+  return obj;
+};
+
+function isObject(val) {
+  return val !== null && (typeof val === 'object' || typeof val === 'function');
+}
+
+function toString(val) {
+  if (!val) return '';
+  if (Array.isArray(val)) {
+    return val.join('.');
+  }
+  return val;
+}
diff --git a/node_modules/get-value/package.json b/node_modules/get-value/package.json
new file mode 100644
index 00000000..df168cd8
--- /dev/null
+++ b/node_modules/get-value/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "get-value",
+  "description": "Use property paths (`a.b.c`) to get a nested value from an object.",
+  "version": "2.0.6",
+  "homepage": "https://github.com/jonschlinkert/get-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/get-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/get-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "arr-reduce": "^1.0.1",
+    "benchmarked": "^0.1.4",
+    "dot-prop": "^2.2.0",
+    "getobject": "^0.1.0",
+    "gulp": "^3.9.0",
+    "gulp-eslint": "^1.1.1",
+    "gulp-format-md": "^0.1.5",
+    "gulp-istanbul": "^0.10.2",
+    "gulp-mocha": "^2.1.3",
+    "isobject": "^2.0.0",
+    "matched": "^0.3.2",
+    "minimist": "^1.2.0"
+  },
+  "keywords": [
+    "get",
+    "key",
+    "nested",
+    "object",
+    "path",
+    "paths",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "segment",
+    "value",
+    "values"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "has-any",
+        "has-any-deep",
+        "has-value",
+        "set-value",
+        "unset-value"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-readme-generator"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/glob-parent/CHANGELOG.md b/node_modules/glob-parent/CHANGELOG.md
new file mode 100644
index 00000000..fb9de961
--- /dev/null
+++ b/node_modules/glob-parent/CHANGELOG.md
@@ -0,0 +1,110 @@
+### [5.1.2](https://github.com/gulpjs/glob-parent/compare/v5.1.1...v5.1.2) (2021-03-06)
+
+
+### Bug Fixes
+
+* eliminate ReDoS ([#36](https://github.com/gulpjs/glob-parent/issues/36)) ([f923116](https://github.com/gulpjs/glob-parent/commit/f9231168b0041fea3f8f954b3cceb56269fc6366))
+
+### [5.1.1](https://github.com/gulpjs/glob-parent/compare/v5.1.0...v5.1.1) (2021-01-27)
+
+
+### Bug Fixes
+
+* unescape exclamation mark ([#26](https://github.com/gulpjs/glob-parent/issues/26)) ([a98874f](https://github.com/gulpjs/glob-parent/commit/a98874f1a59e407f4fb1beb0db4efa8392da60bb))
+
+## [5.1.0](https://github.com/gulpjs/glob-parent/compare/v5.0.0...v5.1.0) (2021-01-27)
+
+
+### Features
+
+* add `flipBackslashes` option to disable auto conversion of slashes (closes [#24](https://github.com/gulpjs/glob-parent/issues/24)) ([#25](https://github.com/gulpjs/glob-parent/issues/25)) ([eecf91d](https://github.com/gulpjs/glob-parent/commit/eecf91d5e3834ed78aee39c4eaaae654d76b87b3))
+
+## [5.0.0](https://github.com/gulpjs/glob-parent/compare/v4.0.0...v5.0.0) (2021-01-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* Drop support for node <6 & bump dependencies
+
+### Miscellaneous Chores
+
+* Drop support for node <6 & bump dependencies ([896c0c0](https://github.com/gulpjs/glob-parent/commit/896c0c00b4e7362f60b96e7fc295ae929245255a))
+
+## [4.0.0](https://github.com/gulpjs/glob-parent/compare/v3.1.0...v4.0.0) (2021-01-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* question marks are valid path characters on Windows so avoid flagging as a glob when alone
+* Update is-glob dependency
+
+### Features
+
+* hoist regexps and strings for performance gains ([4a80667](https://github.com/gulpjs/glob-parent/commit/4a80667c69355c76a572a5892b0f133c8e1f457e))
+* question marks are valid path characters on Windows so avoid flagging as a glob when alone ([2a551dd](https://github.com/gulpjs/glob-parent/commit/2a551dd0dc3235e78bf3c94843d4107072d17841))
+* Update is-glob dependency ([e41fcd8](https://github.com/gulpjs/glob-parent/commit/e41fcd895d1f7bc617dba45c9d935a7949b9c281))
+
+## [3.1.0](https://github.com/gulpjs/glob-parent/compare/v3.0.1...v3.1.0) (2021-01-27)
+
+
+### Features
+
+* allow basic win32 backslash use ([272afa5](https://github.com/gulpjs/glob-parent/commit/272afa5fd070fc0f796386a5993d4ee4a846988b))
+* handle extglobs (parentheses) containing separators ([7db1bdb](https://github.com/gulpjs/glob-parent/commit/7db1bdb0756e55fd14619e8ce31aa31b17b117fd))
+* new approach to braces/brackets handling ([8269bd8](https://github.com/gulpjs/glob-parent/commit/8269bd89290d99fac9395a354fb56fdcdb80f0be))
+* pre-process braces/brackets sections ([9ef8a87](https://github.com/gulpjs/glob-parent/commit/9ef8a87f66b1a43d0591e7a8e4fc5a18415ee388))
+* preserve escaped brace/bracket at end of string ([8cfb0ba](https://github.com/gulpjs/glob-parent/commit/8cfb0ba84202d51571340dcbaf61b79d16a26c76))
+
+
+### Bug Fixes
+
+* trailing escaped square brackets ([99ec9fe](https://github.com/gulpjs/glob-parent/commit/99ec9fecc60ee488ded20a94dd4f18b4f55c4ccf))
+
+### [3.0.1](https://github.com/gulpjs/glob-parent/compare/v3.0.0...v3.0.1) (2021-01-27)
+
+
+### Features
+
+* use path-dirname ponyfill ([cdbea5f](https://github.com/gulpjs/glob-parent/commit/cdbea5f32a58a54e001a75ddd7c0fccd4776aacc))
+
+
+### Bug Fixes
+
+* unescape glob-escaped dirnames on output ([598c533](https://github.com/gulpjs/glob-parent/commit/598c533bdf49c1428bc063aa9b8db40c5a86b030))
+
+## [3.0.0](https://github.com/gulpjs/glob-parent/compare/v2.0.0...v3.0.0) (2021-01-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* update is-glob dependency
+
+### Features
+
+* update is-glob dependency ([5c5f8ef](https://github.com/gulpjs/glob-parent/commit/5c5f8efcee362a8e7638cf8220666acd8784f6bd))
+
+## [2.0.0](https://github.com/gulpjs/glob-parent/compare/v1.3.0...v2.0.0) (2021-01-27)
+
+
+### Features
+
+* move up to dirname regardless of glob characters ([f97fb83](https://github.com/gulpjs/glob-parent/commit/f97fb83be2e0a9fc8d3b760e789d2ecadd6aa0c2))
+
+## [1.3.0](https://github.com/gulpjs/glob-parent/compare/v1.2.0...v1.3.0) (2021-01-27)
+
+## [1.2.0](https://github.com/gulpjs/glob-parent/compare/v1.1.0...v1.2.0) (2021-01-27)
+
+
+### Reverts
+
+* feat: make regex test strings smaller ([dc80fa9](https://github.com/gulpjs/glob-parent/commit/dc80fa9658dca20549cfeba44bbd37d5246fcce0))
+
+## [1.1.0](https://github.com/gulpjs/glob-parent/compare/v1.0.0...v1.1.0) (2021-01-27)
+
+
+### Features
+
+* make regex test strings smaller ([cd83220](https://github.com/gulpjs/glob-parent/commit/cd832208638f45169f986d80fcf66e401f35d233))
+
+## 1.0.0 (2021-01-27)
+
diff --git a/node_modules/glob-parent/LICENSE b/node_modules/glob-parent/LICENSE
new file mode 100644
index 00000000..63222d7a
--- /dev/null
+++ b/node_modules/glob-parent/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) 2015, 2019 Elan Shanker
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/glob-parent/README.md b/node_modules/glob-parent/README.md
new file mode 100644
index 00000000..36a27938
--- /dev/null
+++ b/node_modules/glob-parent/README.md
@@ -0,0 +1,137 @@
+<p align="center">
+  <a href="https://gulpjs.com">
+    <img height="257" width="114" src="https://raw.githubusercontent.com/gulpjs/artwork/master/gulp-2x.png">
+  </a>
+</p>
+
+# glob-parent
+
+[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Azure Pipelines Build Status][azure-pipelines-image]][azure-pipelines-url] [![Travis Build Status][travis-image]][travis-url] [![AppVeyor Build Status][appveyor-image]][appveyor-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url]
+
+Extract the non-magic parent path from a glob string.
+
+## Usage
+
+```js
+var globParent = require('glob-parent');
+
+globParent('path/to/*.js'); // 'path/to'
+globParent('/root/path/to/*.js'); // '/root/path/to'
+globParent('/*.js'); // '/'
+globParent('*.js'); // '.'
+globParent('**/*.js'); // '.'
+globParent('path/{to,from}'); // 'path'
+globParent('path/!(to|from)'); // 'path'
+globParent('path/?(to|from)'); // 'path'
+globParent('path/+(to|from)'); // 'path'
+globParent('path/*(to|from)'); // 'path'
+globParent('path/@(to|from)'); // 'path'
+globParent('path/**/*'); // 'path'
+
+// if provided a non-glob path, returns the nearest dir
+globParent('path/foo/bar.js'); // 'path/foo'
+globParent('path/foo/'); // 'path/foo'
+globParent('path/foo'); // 'path' (see issue #3 for details)
+```
+
+## API
+
+### `globParent(maybeGlobString, [options])`
+
+Takes a string and returns the part of the path before the glob begins. Be aware of Escaping rules and Limitations below.
+
+#### options
+
+```js
+{
+  // Disables the automatic conversion of slashes for Windows
+  flipBackslashes: true
+}
+```
+
+## Escaping
+
+The following characters have special significance in glob patterns and must be escaped if you want them to be treated as regular path characters:
+
+- `?` (question mark) unless used as a path segment alone
+- `*` (asterisk)
+- `|` (pipe)
+- `(` (opening parenthesis)
+- `)` (closing parenthesis)
+- `{` (opening curly brace)
+- `}` (closing curly brace)
+- `[` (opening bracket)
+- `]` (closing bracket)
+
+**Example**
+
+```js
+globParent('foo/[bar]/') // 'foo'
+globParent('foo/\\[bar]/') // 'foo/[bar]'
+```
+
+## Limitations
+
+### Braces & Brackets
+This library attempts a quick and imperfect method of determining which path
+parts have glob magic without fully parsing/lexing the pattern. There are some
+advanced use cases that can trip it up, such as nested braces where the outer
+pair is escaped and the inner one contains a path separator. If you find
+yourself in the unlikely circumstance of being affected by this or need to
+ensure higher-fidelity glob handling in your library, it is recommended that you
+pre-process your input with [expand-braces] and/or [expand-brackets].
+
+### Windows
+Backslashes are not valid path separators for globs. If a path with backslashes
+is provided anyway, for simple cases, glob-parent will replace the path
+separator for you and return the non-glob parent path (now with
+forward-slashes, which are still valid as Windows path separators).
+
+This cannot be used in conjunction with escape characters.
+
+```js
+// BAD
+globParent('C:\\Program Files \\(x86\\)\\*.ext') // 'C:/Program Files /(x86/)'
+
+// GOOD
+globParent('C:/Program Files\\(x86\\)/*.ext') // 'C:/Program Files (x86)'
+```
+
+If you are using escape characters for a pattern without path parts (i.e.
+relative to `cwd`), prefix with `./` to avoid confusing glob-parent.
+
+```js
+// BAD
+globParent('foo \\[bar]') // 'foo '
+globParent('foo \\[bar]*') // 'foo '
+
+// GOOD
+globParent('./foo \\[bar]') // 'foo [bar]'
+globParent('./foo \\[bar]*') // '.'
+```
+
+## License
+
+ISC
+
+[expand-braces]: https://github.com/jonschlinkert/expand-braces
+[expand-brackets]: https://github.com/jonschlinkert/expand-brackets
+
+[downloads-image]: https://img.shields.io/npm/dm/glob-parent.svg
+[npm-url]: https://www.npmjs.com/package/glob-parent
+[npm-image]: https://img.shields.io/npm/v/glob-parent.svg
+
+[azure-pipelines-url]: https://dev.azure.com/gulpjs/gulp/_build/latest?definitionId=2&branchName=master
+[azure-pipelines-image]: https://dev.azure.com/gulpjs/gulp/_apis/build/status/glob-parent?branchName=master
+
+[travis-url]: https://travis-ci.org/gulpjs/glob-parent
+[travis-image]: https://img.shields.io/travis/gulpjs/glob-parent.svg?label=travis-ci
+
+[appveyor-url]: https://ci.appveyor.com/project/gulpjs/glob-parent
+[appveyor-image]: https://img.shields.io/appveyor/ci/gulpjs/glob-parent.svg?label=appveyor
+
+[coveralls-url]: https://coveralls.io/r/gulpjs/glob-parent
+[coveralls-image]: https://img.shields.io/coveralls/gulpjs/glob-parent/master.svg
+
+[gitter-url]: https://gitter.im/gulpjs/gulp
+[gitter-image]: https://badges.gitter.im/gulpjs/gulp.svg
diff --git a/node_modules/glob-parent/index.js b/node_modules/glob-parent/index.js
new file mode 100644
index 00000000..09e257ea
--- /dev/null
+++ b/node_modules/glob-parent/index.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var isGlob = require('is-glob');
+var pathPosixDirname = require('path').posix.dirname;
+var isWin32 = require('os').platform() === 'win32';
+
+var slash = '/';
+var backslash = /\\/g;
+var enclosure = /[\{\[].*[\}\]]$/;
+var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/;
+var escaped = /\\([\!\*\?\|\[\]\(\)\{\}])/g;
+
+/**
+ * @param {string} str
+ * @param {Object} opts
+ * @param {boolean} [opts.flipBackslashes=true]
+ * @returns {string}
+ */
+module.exports = function globParent(str, opts) {
+  var options = Object.assign({ flipBackslashes: true }, opts);
+
+  // flip windows path separators
+  if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) {
+    str = str.replace(backslash, slash);
+  }
+
+  // special case for strings ending in enclosure containing path separator
+  if (enclosure.test(str)) {
+    str += slash;
+  }
+
+  // preserves full path in case of trailing path separator
+  str += 'a';
+
+  // remove path parts that are globby
+  do {
+    str = pathPosixDirname(str);
+  } while (isGlob(str) || globby.test(str));
+
+  // remove escape chars and return result
+  return str.replace(escaped, '$1');
+};
diff --git a/node_modules/glob-parent/package.json b/node_modules/glob-parent/package.json
new file mode 100644
index 00000000..125c971c
--- /dev/null
+++ b/node_modules/glob-parent/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "glob-parent",
+  "version": "5.1.2",
+  "description": "Extract the non-magic parent path from a glob string.",
+  "author": "Gulp Team <team@gulpjs.com> (https://gulpjs.com/)",
+  "contributors": [
+    "Elan Shanker (https://github.com/es128)",
+    "Blaine Bublitz <blaine.bublitz@gmail.com>"
+  ],
+  "repository": "gulpjs/glob-parent",
+  "license": "ISC",
+  "engines": {
+    "node": ">= 6"
+  },
+  "main": "index.js",
+  "files": [
+    "LICENSE",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "pretest": "npm run lint",
+    "test": "nyc mocha --async-only",
+    "azure-pipelines": "nyc mocha --async-only --reporter xunit -O output=test.xunit",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls"
+  },
+  "dependencies": {
+    "is-glob": "^4.0.1"
+  },
+  "devDependencies": {
+    "coveralls": "^3.0.11",
+    "eslint": "^2.13.1",
+    "eslint-config-gulp": "^3.0.1",
+    "expect": "^1.20.2",
+    "mocha": "^6.0.2",
+    "nyc": "^13.3.0"
+  },
+  "keywords": [
+    "glob",
+    "parent",
+    "strip",
+    "path",
+    "dirname",
+    "directory",
+    "base",
+    "wildcard"
+  ]
+}
diff --git a/node_modules/glob/LICENSE b/node_modules/glob/LICENSE
new file mode 100644
index 00000000..42ca266d
--- /dev/null
+++ b/node_modules/glob/LICENSE
@@ -0,0 +1,21 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+## Glob Logo
+
+Glob's logo created by Tanya Brassie <http://tanyabrassie.com/>, licensed
+under a Creative Commons Attribution-ShareAlike 4.0 International License
+https://creativecommons.org/licenses/by-sa/4.0/
diff --git a/node_modules/glob/README.md b/node_modules/glob/README.md
new file mode 100644
index 00000000..83f0c83a
--- /dev/null
+++ b/node_modules/glob/README.md
@@ -0,0 +1,378 @@
+# Glob
+
+Match files using the patterns the shell uses, like stars and stuff.
+
+[![Build Status](https://travis-ci.org/isaacs/node-glob.svg?branch=master)](https://travis-ci.org/isaacs/node-glob/) [![Build Status](https://ci.appveyor.com/api/projects/status/kd7f3yftf7unxlsx?svg=true)](https://ci.appveyor.com/project/isaacs/node-glob) [![Coverage Status](https://coveralls.io/repos/isaacs/node-glob/badge.svg?branch=master&service=github)](https://coveralls.io/github/isaacs/node-glob?branch=master)
+
+This is a glob implementation in JavaScript.  It uses the `minimatch`
+library to do its matching.
+
+![a fun cartoon logo made of glob characters](logo/glob.png)
+
+## Usage
+
+Install with npm
+
+```
+npm i glob
+```
+
+```javascript
+var glob = require("glob")
+
+// options is optional
+glob("**/*.js", options, function (er, files) {
+  // files is an array of filenames.
+  // If the `nonull` option is set, and nothing
+  // was found, then files is ["**/*.js"]
+  // er is an error object or null.
+})
+```
+
+## Glob Primer
+
+"Globs" are the patterns you type when you do stuff like `ls *.js` on
+the command line, or put `build/*` in a `.gitignore` file.
+
+Before parsing the path part patterns, braced sections are expanded
+into a set.  Braced sections start with `{` and end with `}`, with any
+number of comma-delimited sections within.  Braced sections may contain
+slash characters, so `a{/b/c,bcd}` would expand into `a/b/c` and `abcd`.
+
+The following characters have special magic meaning when used in a
+path portion:
+
+* `*` Matches 0 or more characters in a single path portion
+* `?` Matches 1 character
+* `[...]` Matches a range of characters, similar to a RegExp range.
+  If the first character of the range is `!` or `^` then it matches
+  any character not in the range.
+* `!(pattern|pattern|pattern)` Matches anything that does not match
+  any of the patterns provided.
+* `?(pattern|pattern|pattern)` Matches zero or one occurrence of the
+  patterns provided.
+* `+(pattern|pattern|pattern)` Matches one or more occurrences of the
+  patterns provided.
+* `*(a|b|c)` Matches zero or more occurrences of the patterns provided
+* `@(pattern|pat*|pat?erN)` Matches exactly one of the patterns
+  provided
+* `**` If a "globstar" is alone in a path portion, then it matches
+  zero or more directories and subdirectories searching for matches.
+  It does not crawl symlinked directories.
+
+### Dots
+
+If a file or directory path portion has a `.` as the first character,
+then it will not match any glob pattern unless that pattern's
+corresponding path part also has a `.` as its first character.
+
+For example, the pattern `a/.*/c` would match the file at `a/.b/c`.
+However the pattern `a/*/c` would not, because `*` does not start with
+a dot character.
+
+You can make glob treat dots as normal characters by setting
+`dot:true` in the options.
+
+### Basename Matching
+
+If you set `matchBase:true` in the options, and the pattern has no
+slashes in it, then it will seek for any file anywhere in the tree
+with a matching basename.  For example, `*.js` would match
+`test/simple/basic.js`.
+
+### Empty Sets
+
+If no matching files are found, then an empty array is returned.  This
+differs from the shell, where the pattern itself is returned.  For
+example:
+
+    $ echo a*s*d*f
+    a*s*d*f
+
+To get the bash-style behavior, set the `nonull:true` in the options.
+
+### See Also:
+
+* `man sh`
+* `man bash` (Search for "Pattern Matching")
+* `man 3 fnmatch`
+* `man 5 gitignore`
+* [minimatch documentation](https://github.com/isaacs/minimatch)
+
+## glob.hasMagic(pattern, [options])
+
+Returns `true` if there are any special characters in the pattern, and
+`false` otherwise.
+
+Note that the options affect the results.  If `noext:true` is set in
+the options object, then `+(a|b)` will not be considered a magic
+pattern.  If the pattern has a brace expansion, like `a/{b/c,x/y}`
+then that is considered magical, unless `nobrace:true` is set in the
+options.
+
+## glob(pattern, [options], cb)
+
+* `pattern` `{String}` Pattern to be matched
+* `options` `{Object}`
+* `cb` `{Function}`
+  * `err` `{Error | null}`
+  * `matches` `{Array<String>}` filenames found matching the pattern
+
+Perform an asynchronous glob search.
+
+## glob.sync(pattern, [options])
+
+* `pattern` `{String}` Pattern to be matched
+* `options` `{Object}`
+* return: `{Array<String>}` filenames found matching the pattern
+
+Perform a synchronous glob search.
+
+## Class: glob.Glob
+
+Create a Glob object by instantiating the `glob.Glob` class.
+
+```javascript
+var Glob = require("glob").Glob
+var mg = new Glob(pattern, options, cb)
+```
+
+It's an EventEmitter, and starts walking the filesystem to find matches
+immediately.
+
+### new glob.Glob(pattern, [options], [cb])
+
+* `pattern` `{String}` pattern to search for
+* `options` `{Object}`
+* `cb` `{Function}` Called when an error occurs, or matches are found
+  * `err` `{Error | null}`
+  * `matches` `{Array<String>}` filenames found matching the pattern
+
+Note that if the `sync` flag is set in the options, then matches will
+be immediately available on the `g.found` member.
+
+### Properties
+
+* `minimatch` The minimatch object that the glob uses.
+* `options` The options object passed in.
+* `aborted` Boolean which is set to true when calling `abort()`.  There
+  is no way at this time to continue a glob search after aborting, but
+  you can re-use the statCache to avoid having to duplicate syscalls.
+* `cache` Convenience object.  Each field has the following possible
+  values:
+  * `false` - Path does not exist
+  * `true` - Path exists
+  * `'FILE'` - Path exists, and is not a directory
+  * `'DIR'` - Path exists, and is a directory
+  * `[file, entries, ...]` - Path exists, is a directory, and the
+    array value is the results of `fs.readdir`
+* `statCache` Cache of `fs.stat` results, to prevent statting the same
+  path multiple times.
+* `symlinks` A record of which paths are symbolic links, which is
+  relevant in resolving `**` patterns.
+* `realpathCache` An optional object which is passed to `fs.realpath`
+  to minimize unnecessary syscalls.  It is stored on the instantiated
+  Glob object, and may be re-used.
+
+### Events
+
+* `end` When the matching is finished, this is emitted with all the
+  matches found.  If the `nonull` option is set, and no match was found,
+  then the `matches` list contains the original pattern.  The matches
+  are sorted, unless the `nosort` flag is set.
+* `match` Every time a match is found, this is emitted with the specific
+  thing that matched. It is not deduplicated or resolved to a realpath.
+* `error` Emitted when an unexpected error is encountered, or whenever
+  any fs error occurs if `options.strict` is set.
+* `abort` When `abort()` is called, this event is raised.
+
+### Methods
+
+* `pause` Temporarily stop the search
+* `resume` Resume the search
+* `abort` Stop the search forever
+
+### Options
+
+All the options that can be passed to Minimatch can also be passed to
+Glob to change pattern matching behavior.  Also, some have been added,
+or have glob-specific ramifications.
+
+All options are false by default, unless otherwise noted.
+
+All options are added to the Glob object, as well.
+
+If you are running many `glob` operations, you can pass a Glob object
+as the `options` argument to a subsequent operation to shortcut some
+`stat` and `readdir` calls.  At the very least, you may pass in shared
+`symlinks`, `statCache`, `realpathCache`, and `cache` options, so that
+parallel glob operations will be sped up by sharing information about
+the filesystem.
+
+* `cwd` The current working directory in which to search.  Defaults
+  to `process.cwd()`.
+* `root` The place where patterns starting with `/` will be mounted
+  onto.  Defaults to `path.resolve(options.cwd, "/")` (`/` on Unix
+  systems, and `C:\` or some such on Windows.)
+* `dot` Include `.dot` files in normal matches and `globstar` matches.
+  Note that an explicit dot in a portion of the pattern will always
+  match dot files.
+* `nomount` By default, a pattern starting with a forward-slash will be
+  "mounted" onto the root setting, so that a valid filesystem path is
+  returned.  Set this flag to disable that behavior.
+* `mark` Add a `/` character to directory matches.  Note that this
+  requires additional stat calls.
+* `nosort` Don't sort the results.
+* `stat` Set to true to stat *all* results.  This reduces performance
+  somewhat, and is completely unnecessary, unless `readdir` is presumed
+  to be an untrustworthy indicator of file existence.
+* `silent` When an unusual error is encountered when attempting to
+  read a directory, a warning will be printed to stderr.  Set the
+  `silent` option to true to suppress these warnings.
+* `strict` When an unusual error is encountered when attempting to
+  read a directory, the process will just continue on in search of
+  other matches.  Set the `strict` option to raise an error in these
+  cases.
+* `cache` See `cache` property above.  Pass in a previously generated
+  cache object to save some fs calls.
+* `statCache` A cache of results of filesystem information, to prevent
+  unnecessary stat calls.  While it should not normally be necessary
+  to set this, you may pass the statCache from one glob() call to the
+  options object of another, if you know that the filesystem will not
+  change between calls.  (See "Race Conditions" below.)
+* `symlinks` A cache of known symbolic links.  You may pass in a
+  previously generated `symlinks` object to save `lstat` calls when
+  resolving `**` matches.
+* `sync` DEPRECATED: use `glob.sync(pattern, opts)` instead.
+* `nounique` In some cases, brace-expanded patterns can result in the
+  same file showing up multiple times in the result set.  By default,
+  this implementation prevents duplicates in the result set.  Set this
+  flag to disable that behavior.
+* `nonull` Set to never return an empty set, instead returning a set
+  containing the pattern itself.  This is the default in glob(3).
+* `debug` Set to enable debug logging in minimatch and glob.
+* `nobrace` Do not expand `{a,b}` and `{1..3}` brace sets.
+* `noglobstar` Do not match `**` against multiple filenames.  (Ie,
+  treat it as a normal `*` instead.)
+* `noext` Do not match `+(a|b)` "extglob" patterns.
+* `nocase` Perform a case-insensitive match.  Note: on
+  case-insensitive filesystems, non-magic patterns will match by
+  default, since `stat` and `readdir` will not raise errors.
+* `matchBase` Perform a basename-only match if the pattern does not
+  contain any slash characters.  That is, `*.js` would be treated as
+  equivalent to `**/*.js`, matching all js files in all directories.
+* `nodir` Do not match directories, only files.  (Note: to match
+  *only* directories, simply put a `/` at the end of the pattern.)
+* `ignore` Add a pattern or an array of glob patterns to exclude matches.
+  Note: `ignore` patterns are *always* in `dot:true` mode, regardless
+  of any other settings.
+* `follow` Follow symlinked directories when expanding `**` patterns.
+  Note that this can result in a lot of duplicate references in the
+  presence of cyclic links.
+* `realpath` Set to true to call `fs.realpath` on all of the results.
+  In the case of a symlink that cannot be resolved, the full absolute
+  path to the matched entry is returned (though it will usually be a
+  broken symlink)
+* `absolute` Set to true to always receive absolute paths for matched
+  files.  Unlike `realpath`, this also affects the values returned in
+  the `match` event.
+* `fs` File-system object with Node's `fs` API. By default, the built-in
+  `fs` module will be used. Set to a volume provided by a library like
+  `memfs` to avoid using the "real" file-system.
+
+## Comparisons to other fnmatch/glob implementations
+
+While strict compliance with the existing standards is a worthwhile
+goal, some discrepancies exist between node-glob and other
+implementations, and are intentional.
+
+The double-star character `**` is supported by default, unless the
+`noglobstar` flag is set.  This is supported in the manner of bsdglob
+and bash 4.3, where `**` only has special significance if it is the only
+thing in a path part.  That is, `a/**/b` will match `a/x/y/b`, but
+`a/**b` will not.
+
+Note that symlinked directories are not crawled as part of a `**`,
+though their contents may match against subsequent portions of the
+pattern.  This prevents infinite loops and duplicates and the like.
+
+If an escaped pattern has no matches, and the `nonull` flag is set,
+then glob returns the pattern as-provided, rather than
+interpreting the character escapes.  For example,
+`glob.match([], "\\*a\\?")` will return `"\\*a\\?"` rather than
+`"*a?"`.  This is akin to setting the `nullglob` option in bash, except
+that it does not resolve escaped pattern characters.
+
+If brace expansion is not disabled, then it is performed before any
+other interpretation of the glob pattern.  Thus, a pattern like
+`+(a|{b),c)}`, which would not be valid in bash or zsh, is expanded
+**first** into the set of `+(a|b)` and `+(a|c)`, and those patterns are
+checked for validity.  Since those two are valid, matching proceeds.
+
+### Comments and Negation
+
+Previously, this module let you mark a pattern as a "comment" if it
+started with a `#` character, or a "negated" pattern if it started
+with a `!` character.
+
+These options were deprecated in version 5, and removed in version 6.
+
+To specify things that should not match, use the `ignore` option.
+
+## Windows
+
+**Please only use forward-slashes in glob expressions.**
+
+Though windows uses either `/` or `\` as its path separator, only `/`
+characters are used by this glob implementation.  You must use
+forward-slashes **only** in glob expressions.  Back-slashes will always
+be interpreted as escape characters, not path separators.
+
+Results from absolute patterns such as `/foo/*` are mounted onto the
+root setting using `path.join`.  On windows, this will by default result
+in `/foo/*` matching `C:\foo\bar.txt`.
+
+## Race Conditions
+
+Glob searching, by its very nature, is susceptible to race conditions,
+since it relies on directory walking and such.
+
+As a result, it is possible that a file that exists when glob looks for
+it may have been deleted or modified by the time it returns the result.
+
+As part of its internal implementation, this program caches all stat
+and readdir calls that it makes, in order to cut down on system
+overhead.  However, this also makes it even more susceptible to races,
+especially if the cache or statCache objects are reused between glob
+calls.
+
+Users are thus advised not to use a glob result as a guarantee of
+filesystem state in the face of rapid changes.  For the vast majority
+of operations, this is never a problem.
+
+## Glob Logo
+Glob's logo was created by [Tanya Brassie](http://tanyabrassie.com/). Logo files can be found [here](https://github.com/isaacs/node-glob/tree/master/logo).
+
+The logo is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/).
+
+## Contributing
+
+Any change to behavior (including bugfixes) must come with a test.
+
+Patches that fail tests or reduce performance will be rejected.
+
+```
+# to run tests
+npm test
+
+# to re-generate test fixtures
+npm run test-regen
+
+# to benchmark against bash/zsh
+npm run bench
+
+# to profile javascript
+npm run prof
+```
+
+![](oh-my-glob.gif)
diff --git a/node_modules/glob/common.js b/node_modules/glob/common.js
new file mode 100644
index 00000000..424c46e1
--- /dev/null
+++ b/node_modules/glob/common.js
@@ -0,0 +1,238 @@
+exports.setopts = setopts
+exports.ownProp = ownProp
+exports.makeAbs = makeAbs
+exports.finish = finish
+exports.mark = mark
+exports.isIgnored = isIgnored
+exports.childrenIgnored = childrenIgnored
+
+function ownProp (obj, field) {
+  return Object.prototype.hasOwnProperty.call(obj, field)
+}
+
+var fs = require("fs")
+var path = require("path")
+var minimatch = require("minimatch")
+var isAbsolute = require("path-is-absolute")
+var Minimatch = minimatch.Minimatch
+
+function alphasort (a, b) {
+  return a.localeCompare(b, 'en')
+}
+
+function setupIgnores (self, options) {
+  self.ignore = options.ignore || []
+
+  if (!Array.isArray(self.ignore))
+    self.ignore = [self.ignore]
+
+  if (self.ignore.length) {
+    self.ignore = self.ignore.map(ignoreMap)
+  }
+}
+
+// ignore patterns are always in dot:true mode.
+function ignoreMap (pattern) {
+  var gmatcher = null
+  if (pattern.slice(-3) === '/**') {
+    var gpattern = pattern.replace(/(\/\*\*)+$/, '')
+    gmatcher = new Minimatch(gpattern, { dot: true })
+  }
+
+  return {
+    matcher: new Minimatch(pattern, { dot: true }),
+    gmatcher: gmatcher
+  }
+}
+
+function setopts (self, pattern, options) {
+  if (!options)
+    options = {}
+
+  // base-matching: just use globstar for that.
+  if (options.matchBase && -1 === pattern.indexOf("/")) {
+    if (options.noglobstar) {
+      throw new Error("base matching requires globstar")
+    }
+    pattern = "**/" + pattern
+  }
+
+  self.silent = !!options.silent
+  self.pattern = pattern
+  self.strict = options.strict !== false
+  self.realpath = !!options.realpath
+  self.realpathCache = options.realpathCache || Object.create(null)
+  self.follow = !!options.follow
+  self.dot = !!options.dot
+  self.mark = !!options.mark
+  self.nodir = !!options.nodir
+  if (self.nodir)
+    self.mark = true
+  self.sync = !!options.sync
+  self.nounique = !!options.nounique
+  self.nonull = !!options.nonull
+  self.nosort = !!options.nosort
+  self.nocase = !!options.nocase
+  self.stat = !!options.stat
+  self.noprocess = !!options.noprocess
+  self.absolute = !!options.absolute
+  self.fs = options.fs || fs
+
+  self.maxLength = options.maxLength || Infinity
+  self.cache = options.cache || Object.create(null)
+  self.statCache = options.statCache || Object.create(null)
+  self.symlinks = options.symlinks || Object.create(null)
+
+  setupIgnores(self, options)
+
+  self.changedCwd = false
+  var cwd = process.cwd()
+  if (!ownProp(options, "cwd"))
+    self.cwd = cwd
+  else {
+    self.cwd = path.resolve(options.cwd)
+    self.changedCwd = self.cwd !== cwd
+  }
+
+  self.root = options.root || path.resolve(self.cwd, "/")
+  self.root = path.resolve(self.root)
+  if (process.platform === "win32")
+    self.root = self.root.replace(/\\/g, "/")
+
+  // TODO: is an absolute `cwd` supposed to be resolved against `root`?
+  // e.g. { cwd: '/test', root: __dirname } === path.join(__dirname, '/test')
+  self.cwdAbs = isAbsolute(self.cwd) ? self.cwd : makeAbs(self, self.cwd)
+  if (process.platform === "win32")
+    self.cwdAbs = self.cwdAbs.replace(/\\/g, "/")
+  self.nomount = !!options.nomount
+
+  // disable comments and negation in Minimatch.
+  // Note that they are not supported in Glob itself anyway.
+  options.nonegate = true
+  options.nocomment = true
+  // always treat \ in patterns as escapes, not path separators
+  options.allowWindowsEscape = false
+
+  self.minimatch = new Minimatch(pattern, options)
+  self.options = self.minimatch.options
+}
+
+function finish (self) {
+  var nou = self.nounique
+  var all = nou ? [] : Object.create(null)
+
+  for (var i = 0, l = self.matches.length; i < l; i ++) {
+    var matches = self.matches[i]
+    if (!matches || Object.keys(matches).length === 0) {
+      if (self.nonull) {
+        // do like the shell, and spit out the literal glob
+        var literal = self.minimatch.globSet[i]
+        if (nou)
+          all.push(literal)
+        else
+          all[literal] = true
+      }
+    } else {
+      // had matches
+      var m = Object.keys(matches)
+      if (nou)
+        all.push.apply(all, m)
+      else
+        m.forEach(function (m) {
+          all[m] = true
+        })
+    }
+  }
+
+  if (!nou)
+    all = Object.keys(all)
+
+  if (!self.nosort)
+    all = all.sort(alphasort)
+
+  // at *some* point we statted all of these
+  if (self.mark) {
+    for (var i = 0; i < all.length; i++) {
+      all[i] = self._mark(all[i])
+    }
+    if (self.nodir) {
+      all = all.filter(function (e) {
+        var notDir = !(/\/$/.test(e))
+        var c = self.cache[e] || self.cache[makeAbs(self, e)]
+        if (notDir && c)
+          notDir = c !== 'DIR' && !Array.isArray(c)
+        return notDir
+      })
+    }
+  }
+
+  if (self.ignore.length)
+    all = all.filter(function(m) {
+      return !isIgnored(self, m)
+    })
+
+  self.found = all
+}
+
+function mark (self, p) {
+  var abs = makeAbs(self, p)
+  var c = self.cache[abs]
+  var m = p
+  if (c) {
+    var isDir = c === 'DIR' || Array.isArray(c)
+    var slash = p.slice(-1) === '/'
+
+    if (isDir && !slash)
+      m += '/'
+    else if (!isDir && slash)
+      m = m.slice(0, -1)
+
+    if (m !== p) {
+      var mabs = makeAbs(self, m)
+      self.statCache[mabs] = self.statCache[abs]
+      self.cache[mabs] = self.cache[abs]
+    }
+  }
+
+  return m
+}
+
+// lotta situps...
+function makeAbs (self, f) {
+  var abs = f
+  if (f.charAt(0) === '/') {
+    abs = path.join(self.root, f)
+  } else if (isAbsolute(f) || f === '') {
+    abs = f
+  } else if (self.changedCwd) {
+    abs = path.resolve(self.cwd, f)
+  } else {
+    abs = path.resolve(f)
+  }
+
+  if (process.platform === 'win32')
+    abs = abs.replace(/\\/g, '/')
+
+  return abs
+}
+
+
+// Return true, if pattern ends with globstar '**', for the accompanying parent directory.
+// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents
+function isIgnored (self, path) {
+  if (!self.ignore.length)
+    return false
+
+  return self.ignore.some(function(item) {
+    return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path))
+  })
+}
+
+function childrenIgnored (self, path) {
+  if (!self.ignore.length)
+    return false
+
+  return self.ignore.some(function(item) {
+    return !!(item.gmatcher && item.gmatcher.match(path))
+  })
+}
diff --git a/node_modules/glob/glob.js b/node_modules/glob/glob.js
new file mode 100644
index 00000000..37a4d7e6
--- /dev/null
+++ b/node_modules/glob/glob.js
@@ -0,0 +1,790 @@
+// Approach:
+//
+// 1. Get the minimatch set
+// 2. For each pattern in the set, PROCESS(pattern, false)
+// 3. Store matches per-set, then uniq them
+//
+// PROCESS(pattern, inGlobStar)
+// Get the first [n] items from pattern that are all strings
+// Join these together.  This is PREFIX.
+//   If there is no more remaining, then stat(PREFIX) and
+//   add to matches if it succeeds.  END.
+//
+// If inGlobStar and PREFIX is symlink and points to dir
+//   set ENTRIES = []
+// else readdir(PREFIX) as ENTRIES
+//   If fail, END
+//
+// with ENTRIES
+//   If pattern[n] is GLOBSTAR
+//     // handle the case where the globstar match is empty
+//     // by pruning it out, and testing the resulting pattern
+//     PROCESS(pattern[0..n] + pattern[n+1 .. $], false)
+//     // handle other cases.
+//     for ENTRY in ENTRIES (not dotfiles)
+//       // attach globstar + tail onto the entry
+//       // Mark that this entry is a globstar match
+//       PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true)
+//
+//   else // not globstar
+//     for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot)
+//       Test ENTRY against pattern[n]
+//       If fails, continue
+//       If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $])
+//
+// Caveat:
+//   Cache all stats and readdirs results to minimize syscall.  Since all
+//   we ever care about is existence and directory-ness, we can just keep
+//   `true` for files, and [children,...] for directories, or `false` for
+//   things that don't exist.
+
+module.exports = glob
+
+var rp = require('fs.realpath')
+var minimatch = require('minimatch')
+var Minimatch = minimatch.Minimatch
+var inherits = require('inherits')
+var EE = require('events').EventEmitter
+var path = require('path')
+var assert = require('assert')
+var isAbsolute = require('path-is-absolute')
+var globSync = require('./sync.js')
+var common = require('./common.js')
+var setopts = common.setopts
+var ownProp = common.ownProp
+var inflight = require('inflight')
+var util = require('util')
+var childrenIgnored = common.childrenIgnored
+var isIgnored = common.isIgnored
+
+var once = require('once')
+
+function glob (pattern, options, cb) {
+  if (typeof options === 'function') cb = options, options = {}
+  if (!options) options = {}
+
+  if (options.sync) {
+    if (cb)
+      throw new TypeError('callback provided to sync glob')
+    return globSync(pattern, options)
+  }
+
+  return new Glob(pattern, options, cb)
+}
+
+glob.sync = globSync
+var GlobSync = glob.GlobSync = globSync.GlobSync
+
+// old api surface
+glob.glob = glob
+
+function extend (origin, add) {
+  if (add === null || typeof add !== 'object') {
+    return origin
+  }
+
+  var keys = Object.keys(add)
+  var i = keys.length
+  while (i--) {
+    origin[keys[i]] = add[keys[i]]
+  }
+  return origin
+}
+
+glob.hasMagic = function (pattern, options_) {
+  var options = extend({}, options_)
+  options.noprocess = true
+
+  var g = new Glob(pattern, options)
+  var set = g.minimatch.set
+
+  if (!pattern)
+    return false
+
+  if (set.length > 1)
+    return true
+
+  for (var j = 0; j < set[0].length; j++) {
+    if (typeof set[0][j] !== 'string')
+      return true
+  }
+
+  return false
+}
+
+glob.Glob = Glob
+inherits(Glob, EE)
+function Glob (pattern, options, cb) {
+  if (typeof options === 'function') {
+    cb = options
+    options = null
+  }
+
+  if (options && options.sync) {
+    if (cb)
+      throw new TypeError('callback provided to sync glob')
+    return new GlobSync(pattern, options)
+  }
+
+  if (!(this instanceof Glob))
+    return new Glob(pattern, options, cb)
+
+  setopts(this, pattern, options)
+  this._didRealPath = false
+
+  // process each pattern in the minimatch set
+  var n = this.minimatch.set.length
+
+  // The matches are stored as {<filename>: true,...} so that
+  // duplicates are automagically pruned.
+  // Later, we do an Object.keys() on these.
+  // Keep them as a list so we can fill in when nonull is set.
+  this.matches = new Array(n)
+
+  if (typeof cb === 'function') {
+    cb = once(cb)
+    this.on('error', cb)
+    this.on('end', function (matches) {
+      cb(null, matches)
+    })
+  }
+
+  var self = this
+  this._processing = 0
+
+  this._emitQueue = []
+  this._processQueue = []
+  this.paused = false
+
+  if (this.noprocess)
+    return this
+
+  if (n === 0)
+    return done()
+
+  var sync = true
+  for (var i = 0; i < n; i ++) {
+    this._process(this.minimatch.set[i], i, false, done)
+  }
+  sync = false
+
+  function done () {
+    --self._processing
+    if (self._processing <= 0) {
+      if (sync) {
+        process.nextTick(function () {
+          self._finish()
+        })
+      } else {
+        self._finish()
+      }
+    }
+  }
+}
+
+Glob.prototype._finish = function () {
+  assert(this instanceof Glob)
+  if (this.aborted)
+    return
+
+  if (this.realpath && !this._didRealpath)
+    return this._realpath()
+
+  common.finish(this)
+  this.emit('end', this.found)
+}
+
+Glob.prototype._realpath = function () {
+  if (this._didRealpath)
+    return
+
+  this._didRealpath = true
+
+  var n = this.matches.length
+  if (n === 0)
+    return this._finish()
+
+  var self = this
+  for (var i = 0; i < this.matches.length; i++)
+    this._realpathSet(i, next)
+
+  function next () {
+    if (--n === 0)
+      self._finish()
+  }
+}
+
+Glob.prototype._realpathSet = function (index, cb) {
+  var matchset = this.matches[index]
+  if (!matchset)
+    return cb()
+
+  var found = Object.keys(matchset)
+  var self = this
+  var n = found.length
+
+  if (n === 0)
+    return cb()
+
+  var set = this.matches[index] = Object.create(null)
+  found.forEach(function (p, i) {
+    // If there's a problem with the stat, then it means that
+    // one or more of the links in the realpath couldn't be
+    // resolved.  just return the abs value in that case.
+    p = self._makeAbs(p)
+    rp.realpath(p, self.realpathCache, function (er, real) {
+      if (!er)
+        set[real] = true
+      else if (er.syscall === 'stat')
+        set[p] = true
+      else
+        self.emit('error', er) // srsly wtf right here
+
+      if (--n === 0) {
+        self.matches[index] = set
+        cb()
+      }
+    })
+  })
+}
+
+Glob.prototype._mark = function (p) {
+  return common.mark(this, p)
+}
+
+Glob.prototype._makeAbs = function (f) {
+  return common.makeAbs(this, f)
+}
+
+Glob.prototype.abort = function () {
+  this.aborted = true
+  this.emit('abort')
+}
+
+Glob.prototype.pause = function () {
+  if (!this.paused) {
+    this.paused = true
+    this.emit('pause')
+  }
+}
+
+Glob.prototype.resume = function () {
+  if (this.paused) {
+    this.emit('resume')
+    this.paused = false
+    if (this._emitQueue.length) {
+      var eq = this._emitQueue.slice(0)
+      this._emitQueue.length = 0
+      for (var i = 0; i < eq.length; i ++) {
+        var e = eq[i]
+        this._emitMatch(e[0], e[1])
+      }
+    }
+    if (this._processQueue.length) {
+      var pq = this._processQueue.slice(0)
+      this._processQueue.length = 0
+      for (var i = 0; i < pq.length; i ++) {
+        var p = pq[i]
+        this._processing--
+        this._process(p[0], p[1], p[2], p[3])
+      }
+    }
+  }
+}
+
+Glob.prototype._process = function (pattern, index, inGlobStar, cb) {
+  assert(this instanceof Glob)
+  assert(typeof cb === 'function')
+
+  if (this.aborted)
+    return
+
+  this._processing++
+  if (this.paused) {
+    this._processQueue.push([pattern, index, inGlobStar, cb])
+    return
+  }
+
+  //console.error('PROCESS %d', this._processing, pattern)
+
+  // Get the first [n] parts of pattern that are all strings.
+  var n = 0
+  while (typeof pattern[n] === 'string') {
+    n ++
+  }
+  // now n is the index of the first one that is *not* a string.
+
+  // see if there's anything else
+  var prefix
+  switch (n) {
+    // if not, then this is rather simple
+    case pattern.length:
+      this._processSimple(pattern.join('/'), index, cb)
+      return
+
+    case 0:
+      // pattern *starts* with some non-trivial item.
+      // going to readdir(cwd), but not include the prefix in matches.
+      prefix = null
+      break
+
+    default:
+      // pattern has some string bits in the front.
+      // whatever it starts with, whether that's 'absolute' like /foo/bar,
+      // or 'relative' like '../baz'
+      prefix = pattern.slice(0, n).join('/')
+      break
+  }
+
+  var remain = pattern.slice(n)
+
+  // get the list of entries.
+  var read
+  if (prefix === null)
+    read = '.'
+  else if (isAbsolute(prefix) ||
+      isAbsolute(pattern.map(function (p) {
+        return typeof p === 'string' ? p : '[*]'
+      }).join('/'))) {
+    if (!prefix || !isAbsolute(prefix))
+      prefix = '/' + prefix
+    read = prefix
+  } else
+    read = prefix
+
+  var abs = this._makeAbs(read)
+
+  //if ignored, skip _processing
+  if (childrenIgnored(this, read))
+    return cb()
+
+  var isGlobStar = remain[0] === minimatch.GLOBSTAR
+  if (isGlobStar)
+    this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb)
+  else
+    this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb)
+}
+
+Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) {
+  var self = this
+  this._readdir(abs, inGlobStar, function (er, entries) {
+    return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb)
+  })
+}
+
+Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) {
+
+  // if the abs isn't a dir, then nothing can match!
+  if (!entries)
+    return cb()
+
+  // It will only match dot entries if it starts with a dot, or if
+  // dot is set.  Stuff like @(.foo|.bar) isn't allowed.
+  var pn = remain[0]
+  var negate = !!this.minimatch.negate
+  var rawGlob = pn._glob
+  var dotOk = this.dot || rawGlob.charAt(0) === '.'
+
+  var matchedEntries = []
+  for (var i = 0; i < entries.length; i++) {
+    var e = entries[i]
+    if (e.charAt(0) !== '.' || dotOk) {
+      var m
+      if (negate && !prefix) {
+        m = !e.match(pn)
+      } else {
+        m = e.match(pn)
+      }
+      if (m)
+        matchedEntries.push(e)
+    }
+  }
+
+  //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries)
+
+  var len = matchedEntries.length
+  // If there are no matched entries, then nothing matches.
+  if (len === 0)
+    return cb()
+
+  // if this is the last remaining pattern bit, then no need for
+  // an additional stat *unless* the user has specified mark or
+  // stat explicitly.  We know they exist, since readdir returned
+  // them.
+
+  if (remain.length === 1 && !this.mark && !this.stat) {
+    if (!this.matches[index])
+      this.matches[index] = Object.create(null)
+
+    for (var i = 0; i < len; i ++) {
+      var e = matchedEntries[i]
+      if (prefix) {
+        if (prefix !== '/')
+          e = prefix + '/' + e
+        else
+          e = prefix + e
+      }
+
+      if (e.charAt(0) === '/' && !this.nomount) {
+        e = path.join(this.root, e)
+      }
+      this._emitMatch(index, e)
+    }
+    // This was the last one, and no stats were needed
+    return cb()
+  }
+
+  // now test all matched entries as stand-ins for that part
+  // of the pattern.
+  remain.shift()
+  for (var i = 0; i < len; i ++) {
+    var e = matchedEntries[i]
+    var newPattern
+    if (prefix) {
+      if (prefix !== '/')
+        e = prefix + '/' + e
+      else
+        e = prefix + e
+    }
+    this._process([e].concat(remain), index, inGlobStar, cb)
+  }
+  cb()
+}
+
+Glob.prototype._emitMatch = function (index, e) {
+  if (this.aborted)
+    return
+
+  if (isIgnored(this, e))
+    return
+
+  if (this.paused) {
+    this._emitQueue.push([index, e])
+    return
+  }
+
+  var abs = isAbsolute(e) ? e : this._makeAbs(e)
+
+  if (this.mark)
+    e = this._mark(e)
+
+  if (this.absolute)
+    e = abs
+
+  if (this.matches[index][e])
+    return
+
+  if (this.nodir) {
+    var c = this.cache[abs]
+    if (c === 'DIR' || Array.isArray(c))
+      return
+  }
+
+  this.matches[index][e] = true
+
+  var st = this.statCache[abs]
+  if (st)
+    this.emit('stat', e, st)
+
+  this.emit('match', e)
+}
+
+Glob.prototype._readdirInGlobStar = function (abs, cb) {
+  if (this.aborted)
+    return
+
+  // follow all symlinked directories forever
+  // just proceed as if this is a non-globstar situation
+  if (this.follow)
+    return this._readdir(abs, false, cb)
+
+  var lstatkey = 'lstat\0' + abs
+  var self = this
+  var lstatcb = inflight(lstatkey, lstatcb_)
+
+  if (lstatcb)
+    self.fs.lstat(abs, lstatcb)
+
+  function lstatcb_ (er, lstat) {
+    if (er && er.code === 'ENOENT')
+      return cb()
+
+    var isSym = lstat && lstat.isSymbolicLink()
+    self.symlinks[abs] = isSym
+
+    // If it's not a symlink or a dir, then it's definitely a regular file.
+    // don't bother doing a readdir in that case.
+    if (!isSym && lstat && !lstat.isDirectory()) {
+      self.cache[abs] = 'FILE'
+      cb()
+    } else
+      self._readdir(abs, false, cb)
+  }
+}
+
+Glob.prototype._readdir = function (abs, inGlobStar, cb) {
+  if (this.aborted)
+    return
+
+  cb = inflight('readdir\0'+abs+'\0'+inGlobStar, cb)
+  if (!cb)
+    return
+
+  //console.error('RD %j %j', +inGlobStar, abs)
+  if (inGlobStar && !ownProp(this.symlinks, abs))
+    return this._readdirInGlobStar(abs, cb)
+
+  if (ownProp(this.cache, abs)) {
+    var c = this.cache[abs]
+    if (!c || c === 'FILE')
+      return cb()
+
+    if (Array.isArray(c))
+      return cb(null, c)
+  }
+
+  var self = this
+  self.fs.readdir(abs, readdirCb(this, abs, cb))
+}
+
+function readdirCb (self, abs, cb) {
+  return function (er, entries) {
+    if (er)
+      self._readdirError(abs, er, cb)
+    else
+      self._readdirEntries(abs, entries, cb)
+  }
+}
+
+Glob.prototype._readdirEntries = function (abs, entries, cb) {
+  if (this.aborted)
+    return
+
+  // if we haven't asked to stat everything, then just
+  // assume that everything in there exists, so we can avoid
+  // having to stat it a second time.
+  if (!this.mark && !this.stat) {
+    for (var i = 0; i < entries.length; i ++) {
+      var e = entries[i]
+      if (abs === '/')
+        e = abs + e
+      else
+        e = abs + '/' + e
+      this.cache[e] = true
+    }
+  }
+
+  this.cache[abs] = entries
+  return cb(null, entries)
+}
+
+Glob.prototype._readdirError = function (f, er, cb) {
+  if (this.aborted)
+    return
+
+  // handle errors, and cache the information
+  switch (er.code) {
+    case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205
+    case 'ENOTDIR': // totally normal. means it *does* exist.
+      var abs = this._makeAbs(f)
+      this.cache[abs] = 'FILE'
+      if (abs === this.cwdAbs) {
+        var error = new Error(er.code + ' invalid cwd ' + this.cwd)
+        error.path = this.cwd
+        error.code = er.code
+        this.emit('error', error)
+        this.abort()
+      }
+      break
+
+    case 'ENOENT': // not terribly unusual
+    case 'ELOOP':
+    case 'ENAMETOOLONG':
+    case 'UNKNOWN':
+      this.cache[this._makeAbs(f)] = false
+      break
+
+    default: // some unusual error.  Treat as failure.
+      this.cache[this._makeAbs(f)] = false
+      if (this.strict) {
+        this.emit('error', er)
+        // If the error is handled, then we abort
+        // if not, we threw out of here
+        this.abort()
+      }
+      if (!this.silent)
+        console.error('glob error', er)
+      break
+  }
+
+  return cb()
+}
+
+Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) {
+  var self = this
+  this._readdir(abs, inGlobStar, function (er, entries) {
+    self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb)
+  })
+}
+
+
+Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) {
+  //console.error('pgs2', prefix, remain[0], entries)
+
+  // no entries means not a dir, so it can never have matches
+  // foo.txt/** doesn't match foo.txt
+  if (!entries)
+    return cb()
+
+  // test without the globstar, and with every child both below
+  // and replacing the globstar.
+  var remainWithoutGlobStar = remain.slice(1)
+  var gspref = prefix ? [ prefix ] : []
+  var noGlobStar = gspref.concat(remainWithoutGlobStar)
+
+  // the noGlobStar pattern exits the inGlobStar state
+  this._process(noGlobStar, index, false, cb)
+
+  var isSym = this.symlinks[abs]
+  var len = entries.length
+
+  // If it's a symlink, and we're in a globstar, then stop
+  if (isSym && inGlobStar)
+    return cb()
+
+  for (var i = 0; i < len; i++) {
+    var e = entries[i]
+    if (e.charAt(0) === '.' && !this.dot)
+      continue
+
+    // these two cases enter the inGlobStar state
+    var instead = gspref.concat(entries[i], remainWithoutGlobStar)
+    this._process(instead, index, true, cb)
+
+    var below = gspref.concat(entries[i], remain)
+    this._process(below, index, true, cb)
+  }
+
+  cb()
+}
+
+Glob.prototype._processSimple = function (prefix, index, cb) {
+  // XXX review this.  Shouldn't it be doing the mounting etc
+  // before doing stat?  kinda weird?
+  var self = this
+  this._stat(prefix, function (er, exists) {
+    self._processSimple2(prefix, index, er, exists, cb)
+  })
+}
+Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) {
+
+  //console.error('ps2', prefix, exists)
+
+  if (!this.matches[index])
+    this.matches[index] = Object.create(null)
+
+  // If it doesn't exist, then just mark the lack of results
+  if (!exists)
+    return cb()
+
+  if (prefix && isAbsolute(prefix) && !this.nomount) {
+    var trail = /[\/\\]$/.test(prefix)
+    if (prefix.charAt(0) === '/') {
+      prefix = path.join(this.root, prefix)
+    } else {
+      prefix = path.resolve(this.root, prefix)
+      if (trail)
+        prefix += '/'
+    }
+  }
+
+  if (process.platform === 'win32')
+    prefix = prefix.replace(/\\/g, '/')
+
+  // Mark this as a match
+  this._emitMatch(index, prefix)
+  cb()
+}
+
+// Returns either 'DIR', 'FILE', or false
+Glob.prototype._stat = function (f, cb) {
+  var abs = this._makeAbs(f)
+  var needDir = f.slice(-1) === '/'
+
+  if (f.length > this.maxLength)
+    return cb()
+
+  if (!this.stat && ownProp(this.cache, abs)) {
+    var c = this.cache[abs]
+
+    if (Array.isArray(c))
+      c = 'DIR'
+
+    // It exists, but maybe not how we need it
+    if (!needDir || c === 'DIR')
+      return cb(null, c)
+
+    if (needDir && c === 'FILE')
+      return cb()
+
+    // otherwise we have to stat, because maybe c=true
+    // if we know it exists, but not what it is.
+  }
+
+  var exists
+  var stat = this.statCache[abs]
+  if (stat !== undefined) {
+    if (stat === false)
+      return cb(null, stat)
+    else {
+      var type = stat.isDirectory() ? 'DIR' : 'FILE'
+      if (needDir && type === 'FILE')
+        return cb()
+      else
+        return cb(null, type, stat)
+    }
+  }
+
+  var self = this
+  var statcb = inflight('stat\0' + abs, lstatcb_)
+  if (statcb)
+    self.fs.lstat(abs, statcb)
+
+  function lstatcb_ (er, lstat) {
+    if (lstat && lstat.isSymbolicLink()) {
+      // If it's a symlink, then treat it as the target, unless
+      // the target does not exist, then treat it as a file.
+      return self.fs.stat(abs, function (er, stat) {
+        if (er)
+          self._stat2(f, abs, null, lstat, cb)
+        else
+          self._stat2(f, abs, er, stat, cb)
+      })
+    } else {
+      self._stat2(f, abs, er, lstat, cb)
+    }
+  }
+}
+
+Glob.prototype._stat2 = function (f, abs, er, stat, cb) {
+  if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) {
+    this.statCache[abs] = false
+    return cb()
+  }
+
+  var needDir = f.slice(-1) === '/'
+  this.statCache[abs] = stat
+
+  if (abs.slice(-1) === '/' && stat && !stat.isDirectory())
+    return cb(null, false, stat)
+
+  var c = true
+  if (stat)
+    c = stat.isDirectory() ? 'DIR' : 'FILE'
+  this.cache[abs] = this.cache[abs] || c
+
+  if (needDir && c === 'FILE')
+    return cb()
+
+  return cb(null, c, stat)
+}
diff --git a/node_modules/glob/package.json b/node_modules/glob/package.json
new file mode 100644
index 00000000..5940b649
--- /dev/null
+++ b/node_modules/glob/package.json
@@ -0,0 +1,55 @@
+{
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "name": "glob",
+  "description": "a little globber",
+  "version": "7.2.3",
+  "publishConfig": {
+    "tag": "v7-legacy"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/node-glob.git"
+  },
+  "main": "glob.js",
+  "files": [
+    "glob.js",
+    "sync.js",
+    "common.js"
+  ],
+  "engines": {
+    "node": "*"
+  },
+  "dependencies": {
+    "fs.realpath": "^1.0.0",
+    "inflight": "^1.0.4",
+    "inherits": "2",
+    "minimatch": "^3.1.1",
+    "once": "^1.3.0",
+    "path-is-absolute": "^1.0.0"
+  },
+  "devDependencies": {
+    "memfs": "^3.2.0",
+    "mkdirp": "0",
+    "rimraf": "^2.2.8",
+    "tap": "^15.0.6",
+    "tick": "0.0.6"
+  },
+  "tap": {
+    "before": "test/00-setup.js",
+    "after": "test/zz-cleanup.js",
+    "jobs": 1
+  },
+  "scripts": {
+    "prepublish": "npm run benchclean",
+    "profclean": "rm -f v8.log profile.txt",
+    "test": "tap",
+    "test-regen": "npm run profclean && TEST_REGEN=1 node test/00-setup.js",
+    "bench": "bash benchmark.sh",
+    "prof": "bash prof.sh && cat profile.txt",
+    "benchclean": "node benchclean.js"
+  },
+  "license": "ISC",
+  "funding": {
+    "url": "https://github.com/sponsors/isaacs"
+  }
+}
diff --git a/node_modules/glob/sync.js b/node_modules/glob/sync.js
new file mode 100644
index 00000000..2c4f4801
--- /dev/null
+++ b/node_modules/glob/sync.js
@@ -0,0 +1,486 @@
+module.exports = globSync
+globSync.GlobSync = GlobSync
+
+var rp = require('fs.realpath')
+var minimatch = require('minimatch')
+var Minimatch = minimatch.Minimatch
+var Glob = require('./glob.js').Glob
+var util = require('util')
+var path = require('path')
+var assert = require('assert')
+var isAbsolute = require('path-is-absolute')
+var common = require('./common.js')
+var setopts = common.setopts
+var ownProp = common.ownProp
+var childrenIgnored = common.childrenIgnored
+var isIgnored = common.isIgnored
+
+function globSync (pattern, options) {
+  if (typeof options === 'function' || arguments.length === 3)
+    throw new TypeError('callback provided to sync glob\n'+
+                        'See: https://github.com/isaacs/node-glob/issues/167')
+
+  return new GlobSync(pattern, options).found
+}
+
+function GlobSync (pattern, options) {
+  if (!pattern)
+    throw new Error('must provide pattern')
+
+  if (typeof options === 'function' || arguments.length === 3)
+    throw new TypeError('callback provided to sync glob\n'+
+                        'See: https://github.com/isaacs/node-glob/issues/167')
+
+  if (!(this instanceof GlobSync))
+    return new GlobSync(pattern, options)
+
+  setopts(this, pattern, options)
+
+  if (this.noprocess)
+    return this
+
+  var n = this.minimatch.set.length
+  this.matches = new Array(n)
+  for (var i = 0; i < n; i ++) {
+    this._process(this.minimatch.set[i], i, false)
+  }
+  this._finish()
+}
+
+GlobSync.prototype._finish = function () {
+  assert.ok(this instanceof GlobSync)
+  if (this.realpath) {
+    var self = this
+    this.matches.forEach(function (matchset, index) {
+      var set = self.matches[index] = Object.create(null)
+      for (var p in matchset) {
+        try {
+          p = self._makeAbs(p)
+          var real = rp.realpathSync(p, self.realpathCache)
+          set[real] = true
+        } catch (er) {
+          if (er.syscall === 'stat')
+            set[self._makeAbs(p)] = true
+          else
+            throw er
+        }
+      }
+    })
+  }
+  common.finish(this)
+}
+
+
+GlobSync.prototype._process = function (pattern, index, inGlobStar) {
+  assert.ok(this instanceof GlobSync)
+
+  // Get the first [n] parts of pattern that are all strings.
+  var n = 0
+  while (typeof pattern[n] === 'string') {
+    n ++
+  }
+  // now n is the index of the first one that is *not* a string.
+
+  // See if there's anything else
+  var prefix
+  switch (n) {
+    // if not, then this is rather simple
+    case pattern.length:
+      this._processSimple(pattern.join('/'), index)
+      return
+
+    case 0:
+      // pattern *starts* with some non-trivial item.
+      // going to readdir(cwd), but not include the prefix in matches.
+      prefix = null
+      break
+
+    default:
+      // pattern has some string bits in the front.
+      // whatever it starts with, whether that's 'absolute' like /foo/bar,
+      // or 'relative' like '../baz'
+      prefix = pattern.slice(0, n).join('/')
+      break
+  }
+
+  var remain = pattern.slice(n)
+
+  // get the list of entries.
+  var read
+  if (prefix === null)
+    read = '.'
+  else if (isAbsolute(prefix) ||
+      isAbsolute(pattern.map(function (p) {
+        return typeof p === 'string' ? p : '[*]'
+      }).join('/'))) {
+    if (!prefix || !isAbsolute(prefix))
+      prefix = '/' + prefix
+    read = prefix
+  } else
+    read = prefix
+
+  var abs = this._makeAbs(read)
+
+  //if ignored, skip processing
+  if (childrenIgnored(this, read))
+    return
+
+  var isGlobStar = remain[0] === minimatch.GLOBSTAR
+  if (isGlobStar)
+    this._processGlobStar(prefix, read, abs, remain, index, inGlobStar)
+  else
+    this._processReaddir(prefix, read, abs, remain, index, inGlobStar)
+}
+
+
+GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) {
+  var entries = this._readdir(abs, inGlobStar)
+
+  // if the abs isn't a dir, then nothing can match!
+  if (!entries)
+    return
+
+  // It will only match dot entries if it starts with a dot, or if
+  // dot is set.  Stuff like @(.foo|.bar) isn't allowed.
+  var pn = remain[0]
+  var negate = !!this.minimatch.negate
+  var rawGlob = pn._glob
+  var dotOk = this.dot || rawGlob.charAt(0) === '.'
+
+  var matchedEntries = []
+  for (var i = 0; i < entries.length; i++) {
+    var e = entries[i]
+    if (e.charAt(0) !== '.' || dotOk) {
+      var m
+      if (negate && !prefix) {
+        m = !e.match(pn)
+      } else {
+        m = e.match(pn)
+      }
+      if (m)
+        matchedEntries.push(e)
+    }
+  }
+
+  var len = matchedEntries.length
+  // If there are no matched entries, then nothing matches.
+  if (len === 0)
+    return
+
+  // if this is the last remaining pattern bit, then no need for
+  // an additional stat *unless* the user has specified mark or
+  // stat explicitly.  We know they exist, since readdir returned
+  // them.
+
+  if (remain.length === 1 && !this.mark && !this.stat) {
+    if (!this.matches[index])
+      this.matches[index] = Object.create(null)
+
+    for (var i = 0; i < len; i ++) {
+      var e = matchedEntries[i]
+      if (prefix) {
+        if (prefix.slice(-1) !== '/')
+          e = prefix + '/' + e
+        else
+          e = prefix + e
+      }
+
+      if (e.charAt(0) === '/' && !this.nomount) {
+        e = path.join(this.root, e)
+      }
+      this._emitMatch(index, e)
+    }
+    // This was the last one, and no stats were needed
+    return
+  }
+
+  // now test all matched entries as stand-ins for that part
+  // of the pattern.
+  remain.shift()
+  for (var i = 0; i < len; i ++) {
+    var e = matchedEntries[i]
+    var newPattern
+    if (prefix)
+      newPattern = [prefix, e]
+    else
+      newPattern = [e]
+    this._process(newPattern.concat(remain), index, inGlobStar)
+  }
+}
+
+
+GlobSync.prototype._emitMatch = function (index, e) {
+  if (isIgnored(this, e))
+    return
+
+  var abs = this._makeAbs(e)
+
+  if (this.mark)
+    e = this._mark(e)
+
+  if (this.absolute) {
+    e = abs
+  }
+
+  if (this.matches[index][e])
+    return
+
+  if (this.nodir) {
+    var c = this.cache[abs]
+    if (c === 'DIR' || Array.isArray(c))
+      return
+  }
+
+  this.matches[index][e] = true
+
+  if (this.stat)
+    this._stat(e)
+}
+
+
+GlobSync.prototype._readdirInGlobStar = function (abs) {
+  // follow all symlinked directories forever
+  // just proceed as if this is a non-globstar situation
+  if (this.follow)
+    return this._readdir(abs, false)
+
+  var entries
+  var lstat
+  var stat
+  try {
+    lstat = this.fs.lstatSync(abs)
+  } catch (er) {
+    if (er.code === 'ENOENT') {
+      // lstat failed, doesn't exist
+      return null
+    }
+  }
+
+  var isSym = lstat && lstat.isSymbolicLink()
+  this.symlinks[abs] = isSym
+
+  // If it's not a symlink or a dir, then it's definitely a regular file.
+  // don't bother doing a readdir in that case.
+  if (!isSym && lstat && !lstat.isDirectory())
+    this.cache[abs] = 'FILE'
+  else
+    entries = this._readdir(abs, false)
+
+  return entries
+}
+
+GlobSync.prototype._readdir = function (abs, inGlobStar) {
+  var entries
+
+  if (inGlobStar && !ownProp(this.symlinks, abs))
+    return this._readdirInGlobStar(abs)
+
+  if (ownProp(this.cache, abs)) {
+    var c = this.cache[abs]
+    if (!c || c === 'FILE')
+      return null
+
+    if (Array.isArray(c))
+      return c
+  }
+
+  try {
+    return this._readdirEntries(abs, this.fs.readdirSync(abs))
+  } catch (er) {
+    this._readdirError(abs, er)
+    return null
+  }
+}
+
+GlobSync.prototype._readdirEntries = function (abs, entries) {
+  // if we haven't asked to stat everything, then just
+  // assume that everything in there exists, so we can avoid
+  // having to stat it a second time.
+  if (!this.mark && !this.stat) {
+    for (var i = 0; i < entries.length; i ++) {
+      var e = entries[i]
+      if (abs === '/')
+        e = abs + e
+      else
+        e = abs + '/' + e
+      this.cache[e] = true
+    }
+  }
+
+  this.cache[abs] = entries
+
+  // mark and cache dir-ness
+  return entries
+}
+
+GlobSync.prototype._readdirError = function (f, er) {
+  // handle errors, and cache the information
+  switch (er.code) {
+    case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205
+    case 'ENOTDIR': // totally normal. means it *does* exist.
+      var abs = this._makeAbs(f)
+      this.cache[abs] = 'FILE'
+      if (abs === this.cwdAbs) {
+        var error = new Error(er.code + ' invalid cwd ' + this.cwd)
+        error.path = this.cwd
+        error.code = er.code
+        throw error
+      }
+      break
+
+    case 'ENOENT': // not terribly unusual
+    case 'ELOOP':
+    case 'ENAMETOOLONG':
+    case 'UNKNOWN':
+      this.cache[this._makeAbs(f)] = false
+      break
+
+    default: // some unusual error.  Treat as failure.
+      this.cache[this._makeAbs(f)] = false
+      if (this.strict)
+        throw er
+      if (!this.silent)
+        console.error('glob error', er)
+      break
+  }
+}
+
+GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) {
+
+  var entries = this._readdir(abs, inGlobStar)
+
+  // no entries means not a dir, so it can never have matches
+  // foo.txt/** doesn't match foo.txt
+  if (!entries)
+    return
+
+  // test without the globstar, and with every child both below
+  // and replacing the globstar.
+  var remainWithoutGlobStar = remain.slice(1)
+  var gspref = prefix ? [ prefix ] : []
+  var noGlobStar = gspref.concat(remainWithoutGlobStar)
+
+  // the noGlobStar pattern exits the inGlobStar state
+  this._process(noGlobStar, index, false)
+
+  var len = entries.length
+  var isSym = this.symlinks[abs]
+
+  // If it's a symlink, and we're in a globstar, then stop
+  if (isSym && inGlobStar)
+    return
+
+  for (var i = 0; i < len; i++) {
+    var e = entries[i]
+    if (e.charAt(0) === '.' && !this.dot)
+      continue
+
+    // these two cases enter the inGlobStar state
+    var instead = gspref.concat(entries[i], remainWithoutGlobStar)
+    this._process(instead, index, true)
+
+    var below = gspref.concat(entries[i], remain)
+    this._process(below, index, true)
+  }
+}
+
+GlobSync.prototype._processSimple = function (prefix, index) {
+  // XXX review this.  Shouldn't it be doing the mounting etc
+  // before doing stat?  kinda weird?
+  var exists = this._stat(prefix)
+
+  if (!this.matches[index])
+    this.matches[index] = Object.create(null)
+
+  // If it doesn't exist, then just mark the lack of results
+  if (!exists)
+    return
+
+  if (prefix && isAbsolute(prefix) && !this.nomount) {
+    var trail = /[\/\\]$/.test(prefix)
+    if (prefix.charAt(0) === '/') {
+      prefix = path.join(this.root, prefix)
+    } else {
+      prefix = path.resolve(this.root, prefix)
+      if (trail)
+        prefix += '/'
+    }
+  }
+
+  if (process.platform === 'win32')
+    prefix = prefix.replace(/\\/g, '/')
+
+  // Mark this as a match
+  this._emitMatch(index, prefix)
+}
+
+// Returns either 'DIR', 'FILE', or false
+GlobSync.prototype._stat = function (f) {
+  var abs = this._makeAbs(f)
+  var needDir = f.slice(-1) === '/'
+
+  if (f.length > this.maxLength)
+    return false
+
+  if (!this.stat && ownProp(this.cache, abs)) {
+    var c = this.cache[abs]
+
+    if (Array.isArray(c))
+      c = 'DIR'
+
+    // It exists, but maybe not how we need it
+    if (!needDir || c === 'DIR')
+      return c
+
+    if (needDir && c === 'FILE')
+      return false
+
+    // otherwise we have to stat, because maybe c=true
+    // if we know it exists, but not what it is.
+  }
+
+  var exists
+  var stat = this.statCache[abs]
+  if (!stat) {
+    var lstat
+    try {
+      lstat = this.fs.lstatSync(abs)
+    } catch (er) {
+      if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) {
+        this.statCache[abs] = false
+        return false
+      }
+    }
+
+    if (lstat && lstat.isSymbolicLink()) {
+      try {
+        stat = this.fs.statSync(abs)
+      } catch (er) {
+        stat = lstat
+      }
+    } else {
+      stat = lstat
+    }
+  }
+
+  this.statCache[abs] = stat
+
+  var c = true
+  if (stat)
+    c = stat.isDirectory() ? 'DIR' : 'FILE'
+
+  this.cache[abs] = this.cache[abs] || c
+
+  if (needDir && c === 'FILE')
+    return false
+
+  return c
+}
+
+GlobSync.prototype._mark = function (p) {
+  return common.mark(this, p)
+}
+
+GlobSync.prototype._makeAbs = function (f) {
+  return common.makeAbs(this, f)
+}
diff --git a/node_modules/gopd/.eslintrc b/node_modules/gopd/.eslintrc
new file mode 100644
index 00000000..e2550c0f
--- /dev/null
+++ b/node_modules/gopd/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": [2, "declaration"],
+		"id-length": 0,
+		"multiline-comment-style": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+}
diff --git a/node_modules/gopd/.github/FUNDING.yml b/node_modules/gopd/.github/FUNDING.yml
new file mode 100644
index 00000000..94a44a8e
--- /dev/null
+++ b/node_modules/gopd/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/gopd
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/gopd/CHANGELOG.md b/node_modules/gopd/CHANGELOG.md
new file mode 100644
index 00000000..87f5727f
--- /dev/null
+++ b/node_modules/gopd/CHANGELOG.md
@@ -0,0 +1,45 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.0](https://github.com/ljharb/gopd/compare/v1.1.0...v1.2.0) - 2024-12-03
+
+### Commits
+
+- [New] add `gOPD` entry point; remove `get-intrinsic` [`5b61232`](https://github.com/ljharb/gopd/commit/5b61232dedea4591a314bcf16101b1961cee024e)
+
+## [v1.1.0](https://github.com/ljharb/gopd/compare/v1.0.1...v1.1.0) - 2024-11-29
+
+### Commits
+
+- [New] add types [`f585e39`](https://github.com/ljharb/gopd/commit/f585e397886d270e4ba84e53d226e4f9ca2eb0e6)
+- [Dev Deps] update `@ljharb/eslint-config`, `auto-changelog`, `tape` [`0b8e4fd`](https://github.com/ljharb/gopd/commit/0b8e4fded64397a7726a9daa144a6cc9a5e2edfa)
+- [Dev Deps] update `aud`, `npmignore`, `tape` [`48378b2`](https://github.com/ljharb/gopd/commit/48378b2443f09a4f7efbd0fb6c3ee845a6cabcf3)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`78099ee`](https://github.com/ljharb/gopd/commit/78099eeed41bfdc134c912280483689cc8861c31)
+- [Tests] replace `aud` with `npm audit` [`4e0d0ac`](https://github.com/ljharb/gopd/commit/4e0d0ac47619d24a75318a8e1f543ee04b2a2632)
+- [meta] add missing `engines.node` [`1443316`](https://github.com/ljharb/gopd/commit/14433165d07835c680155b3dfd62d9217d735eca)
+- [Deps] update `get-intrinsic` [`eee5f51`](https://github.com/ljharb/gopd/commit/eee5f51769f3dbaf578b70e2a3199116b01aa670)
+- [Deps] update `get-intrinsic` [`550c378`](https://github.com/ljharb/gopd/commit/550c3780e3a9c77b62565712a001b4ed64ea61f5)
+- [Dev Deps] add missing peer dep [`8c2ecf8`](https://github.com/ljharb/gopd/commit/8c2ecf848122e4e30abfc5b5086fb48b390dce75)
+
+## [v1.0.1](https://github.com/ljharb/gopd/compare/v1.0.0...v1.0.1) - 2022-11-01
+
+### Commits
+
+- [Fix] actually export gOPD instead of dP [`4b624bf`](https://github.com/ljharb/gopd/commit/4b624bfbeff788c5e3ff16d9443a83627847234f)
+
+## v1.0.0 - 2022-11-01
+
+### Commits
+
+- Initial implementation, tests, readme [`0911e01`](https://github.com/ljharb/gopd/commit/0911e012cd642092bd88b732c161c58bf4f20bea)
+- Initial commit [`b84e33f`](https://github.com/ljharb/gopd/commit/b84e33f5808a805ac57ff88d4247ad935569acbe)
+- [actions] add reusable workflows [`12ae28a`](https://github.com/ljharb/gopd/commit/12ae28ae5f50f86e750215b6e2188901646d0119)
+- npm init [`280118b`](https://github.com/ljharb/gopd/commit/280118badb45c80b4483836b5cb5315bddf6e582)
+- [meta] add `auto-changelog` [`bb78de5`](https://github.com/ljharb/gopd/commit/bb78de5639a180747fb290c28912beaaf1615709)
+- [meta] create FUNDING.yml; add `funding` in package.json [`11c22e6`](https://github.com/ljharb/gopd/commit/11c22e6355bb01f24e7fac4c9bb3055eb5b25002)
+- [meta] use `npmignore` to autogenerate an npmignore file [`4f4537a`](https://github.com/ljharb/gopd/commit/4f4537a843b39f698c52f072845092e6fca345bb)
+- Only apps should have lockfiles [`c567022`](https://github.com/ljharb/gopd/commit/c567022a18573aa7951cf5399445d9840e23e98b)
diff --git a/node_modules/gopd/LICENSE b/node_modules/gopd/LICENSE
new file mode 100644
index 00000000..6abfe143
--- /dev/null
+++ b/node_modules/gopd/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/gopd/README.md b/node_modules/gopd/README.md
new file mode 100644
index 00000000..784e56a0
--- /dev/null
+++ b/node_modules/gopd/README.md
@@ -0,0 +1,40 @@
+# gopd <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
+
+## Usage
+
+```javascript
+var gOPD = require('gopd');
+var assert = require('assert');
+
+if (gOPD) {
+	assert.equal(typeof gOPD, 'function', 'descriptors supported');
+	// use gOPD like Object.getOwnPropertyDescriptor here
+} else {
+	assert.ok(!gOPD, 'descriptors not supported');
+}
+```
+
+[package-url]: https://npmjs.org/package/gopd
+[npm-version-svg]: https://versionbadg.es/ljharb/gopd.svg
+[deps-svg]: https://david-dm.org/ljharb/gopd.svg
+[deps-url]: https://david-dm.org/ljharb/gopd
+[dev-deps-svg]: https://david-dm.org/ljharb/gopd/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/gopd#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/gopd.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/gopd.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/gopd.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=gopd
+[codecov-image]: https://codecov.io/gh/ljharb/gopd/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/gopd/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/gopd
+[actions-url]: https://github.com/ljharb/gopd/actions
diff --git a/node_modules/gopd/gOPD.d.ts b/node_modules/gopd/gOPD.d.ts
new file mode 100644
index 00000000..def48a3c
--- /dev/null
+++ b/node_modules/gopd/gOPD.d.ts
@@ -0,0 +1 @@
+export = Object.getOwnPropertyDescriptor;
diff --git a/node_modules/gopd/gOPD.js b/node_modules/gopd/gOPD.js
new file mode 100644
index 00000000..cf9616c4
--- /dev/null
+++ b/node_modules/gopd/gOPD.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./gOPD')} */
+module.exports = Object.getOwnPropertyDescriptor;
diff --git a/node_modules/gopd/index.d.ts b/node_modules/gopd/index.d.ts
new file mode 100644
index 00000000..e228065f
--- /dev/null
+++ b/node_modules/gopd/index.d.ts
@@ -0,0 +1,5 @@
+declare function gOPD<O extends object, K extends keyof O>(obj: O, prop: K): PropertyDescriptor | undefined;
+
+declare const fn: typeof gOPD | undefined | null;
+
+export = fn;
\ No newline at end of file
diff --git a/node_modules/gopd/index.js b/node_modules/gopd/index.js
new file mode 100644
index 00000000..a4081b01
--- /dev/null
+++ b/node_modules/gopd/index.js
@@ -0,0 +1,15 @@
+'use strict';
+
+/** @type {import('.')} */
+var $gOPD = require('./gOPD');
+
+if ($gOPD) {
+	try {
+		$gOPD([], 'length');
+	} catch (e) {
+		// IE 8 has a broken gOPD
+		$gOPD = null;
+	}
+}
+
+module.exports = $gOPD;
diff --git a/node_modules/gopd/package.json b/node_modules/gopd/package.json
new file mode 100644
index 00000000..01c5ffa6
--- /dev/null
+++ b/node_modules/gopd/package.json
@@ -0,0 +1,77 @@
+{
+	"name": "gopd",
+	"version": "1.2.0",
+	"description": "`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./gOPD": "./gOPD.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "tsc -p . && attw -P",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "evalmd README.md",
+		"pretest": "npm run lint",
+		"tests-only": "tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/gopd.git"
+	},
+	"keywords": [
+		"ecmascript",
+		"javascript",
+		"getownpropertydescriptor",
+		"property",
+		"descriptor"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/gopd/issues"
+	},
+	"homepage": "https://github.com/ljharb/gopd#readme",
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.0",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.0",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/gopd/test/index.js b/node_modules/gopd/test/index.js
new file mode 100644
index 00000000..6f43453a
--- /dev/null
+++ b/node_modules/gopd/test/index.js
@@ -0,0 +1,36 @@
+'use strict';
+
+var test = require('tape');
+var gOPD = require('../');
+
+test('gOPD', function (t) {
+	t.test('supported', { skip: !gOPD }, function (st) {
+		st.equal(typeof gOPD, 'function', 'is a function');
+
+		var obj = { x: 1 };
+		st.ok('x' in obj, 'property exists');
+
+		// @ts-expect-error TS can't figure out narrowing from `skip`
+		var desc = gOPD(obj, 'x');
+		st.deepEqual(
+			desc,
+			{
+				configurable: true,
+				enumerable: true,
+				value: 1,
+				writable: true
+			},
+			'descriptor is as expected'
+		);
+
+		st.end();
+	});
+
+	t.test('not supported', { skip: !!gOPD }, function (st) {
+		st.notOk(gOPD, 'is falsy');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/gopd/tsconfig.json b/node_modules/gopd/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/gopd/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/graceful-fs/LICENSE b/node_modules/graceful-fs/LICENSE
new file mode 100644
index 00000000..e906a25a
--- /dev/null
+++ b/node_modules/graceful-fs/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) 2011-2022 Isaac Z. Schlueter, Ben Noordhuis, and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/graceful-fs/README.md b/node_modules/graceful-fs/README.md
new file mode 100644
index 00000000..82d6e4da
--- /dev/null
+++ b/node_modules/graceful-fs/README.md
@@ -0,0 +1,143 @@
+# graceful-fs
+
+graceful-fs functions as a drop-in replacement for the fs module,
+making various improvements.
+
+The improvements are meant to normalize behavior across different
+platforms and environments, and to make filesystem access more
+resilient to errors.
+
+## Improvements over [fs module](https://nodejs.org/api/fs.html)
+
+* Queues up `open` and `readdir` calls, and retries them once
+  something closes if there is an EMFILE error from too many file
+  descriptors.
+* fixes `lchmod` for Node versions prior to 0.6.2.
+* implements `fs.lutimes` if possible. Otherwise it becomes a noop.
+* ignores `EINVAL` and `EPERM` errors in `chown`, `fchown` or
+  `lchown` if the user isn't root.
+* makes `lchmod` and `lchown` become noops, if not available.
+* retries reading a file if `read` results in EAGAIN error.
+
+On Windows, it retries renaming a file for up to one second if `EACCESS`
+or `EPERM` error occurs, likely because antivirus software has locked
+the directory.
+
+## USAGE
+
+```javascript
+// use just like fs
+var fs = require('graceful-fs')
+
+// now go and do stuff with it...
+fs.readFile('some-file-or-whatever', (err, data) => {
+  // Do stuff here.
+})
+```
+
+## Sync methods
+
+This module cannot intercept or handle `EMFILE` or `ENFILE` errors from sync
+methods.  If you use sync methods which open file descriptors then you are
+responsible for dealing with any errors.
+
+This is a known limitation, not a bug.
+
+## Global Patching
+
+If you want to patch the global fs module (or any other fs-like
+module) you can do this:
+
+```javascript
+// Make sure to read the caveat below.
+var realFs = require('fs')
+var gracefulFs = require('graceful-fs')
+gracefulFs.gracefulify(realFs)
+```
+
+This should only ever be done at the top-level application layer, in
+order to delay on EMFILE errors from any fs-using dependencies.  You
+should **not** do this in a library, because it can cause unexpected
+delays in other parts of the program.
+
+## Changes
+
+This module is fairly stable at this point, and used by a lot of
+things.  That being said, because it implements a subtle behavior
+change in a core part of the node API, even modest changes can be
+extremely breaking, and the versioning is thus biased towards
+bumping the major when in doubt.
+
+The main change between major versions has been switching between
+providing a fully-patched `fs` module vs monkey-patching the node core
+builtin, and the approach by which a non-monkey-patched `fs` was
+created.
+
+The goal is to trade `EMFILE` errors for slower fs operations.  So, if
+you try to open a zillion files, rather than crashing, `open`
+operations will be queued up and wait for something else to `close`.
+
+There are advantages to each approach.  Monkey-patching the fs means
+that no `EMFILE` errors can possibly occur anywhere in your
+application, because everything is using the same core `fs` module,
+which is patched.  However, it can also obviously cause undesirable
+side-effects, especially if the module is loaded multiple times.
+
+Implementing a separate-but-identical patched `fs` module is more
+surgical (and doesn't run the risk of patching multiple times), but
+also imposes the challenge of keeping in sync with the core module.
+
+The current approach loads the `fs` module, and then creates a
+lookalike object that has all the same methods, except a few that are
+patched.  It is safe to use in all versions of Node from 0.8 through
+7.0.
+
+### v4
+
+* Do not monkey-patch the fs module.  This module may now be used as a
+  drop-in dep, and users can opt into monkey-patching the fs builtin
+  if their app requires it.
+
+### v3
+
+* Monkey-patch fs, because the eval approach no longer works on recent
+  node.
+* fixed possible type-error throw if rename fails on windows
+* verify that we *never* get EMFILE errors
+* Ignore ENOSYS from chmod/chown
+* clarify that graceful-fs must be used as a drop-in
+
+### v2.1.0
+
+* Use eval rather than monkey-patching fs.
+* readdir: Always sort the results
+* win32: requeue a file if error has an OK status
+
+### v2.0
+
+* A return to monkey patching
+* wrap process.cwd
+
+### v1.1
+
+* wrap readFile
+* Wrap fs.writeFile.
+* readdir protection
+* Don't clobber the fs builtin
+* Handle fs.read EAGAIN errors by trying again
+* Expose the curOpen counter
+* No-op lchown/lchmod if not implemented
+* fs.rename patch only for win32
+* Patch fs.rename to handle AV software on Windows
+* Close #4 Chown should not fail on einval or eperm if non-root
+* Fix isaacs/fstream#1 Only wrap fs one time
+* Fix #3 Start at 1024 max files, then back off on EMFILE
+* lutimes that doens't blow up on Linux
+* A full on-rewrite using a queue instead of just swallowing the EMFILE error
+* Wrap Read/Write streams as well
+
+### 1.0
+
+* Update engines for node 0.6
+* Be lstat-graceful on Windows
+* first
diff --git a/node_modules/graceful-fs/clone.js b/node_modules/graceful-fs/clone.js
new file mode 100644
index 00000000..dff3cc8c
--- /dev/null
+++ b/node_modules/graceful-fs/clone.js
@@ -0,0 +1,23 @@
+'use strict'
+
+module.exports = clone
+
+var getPrototypeOf = Object.getPrototypeOf || function (obj) {
+  return obj.__proto__
+}
+
+function clone (obj) {
+  if (obj === null || typeof obj !== 'object')
+    return obj
+
+  if (obj instanceof Object)
+    var copy = { __proto__: getPrototypeOf(obj) }
+  else
+    var copy = Object.create(null)
+
+  Object.getOwnPropertyNames(obj).forEach(function (key) {
+    Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key))
+  })
+
+  return copy
+}
diff --git a/node_modules/graceful-fs/graceful-fs.js b/node_modules/graceful-fs/graceful-fs.js
new file mode 100644
index 00000000..8d5b89e4
--- /dev/null
+++ b/node_modules/graceful-fs/graceful-fs.js
@@ -0,0 +1,448 @@
+var fs = require('fs')
+var polyfills = require('./polyfills.js')
+var legacy = require('./legacy-streams.js')
+var clone = require('./clone.js')
+
+var util = require('util')
+
+/* istanbul ignore next - node 0.x polyfill */
+var gracefulQueue
+var previousSymbol
+
+/* istanbul ignore else - node 0.x polyfill */
+if (typeof Symbol === 'function' && typeof Symbol.for === 'function') {
+  gracefulQueue = Symbol.for('graceful-fs.queue')
+  // This is used in testing by future versions
+  previousSymbol = Symbol.for('graceful-fs.previous')
+} else {
+  gracefulQueue = '___graceful-fs.queue'
+  previousSymbol = '___graceful-fs.previous'
+}
+
+function noop () {}
+
+function publishQueue(context, queue) {
+  Object.defineProperty(context, gracefulQueue, {
+    get: function() {
+      return queue
+    }
+  })
+}
+
+var debug = noop
+if (util.debuglog)
+  debug = util.debuglog('gfs4')
+else if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || ''))
+  debug = function() {
+    var m = util.format.apply(util, arguments)
+    m = 'GFS4: ' + m.split(/\n/).join('\nGFS4: ')
+    console.error(m)
+  }
+
+// Once time initialization
+if (!fs[gracefulQueue]) {
+  // This queue can be shared by multiple loaded instances
+  var queue = global[gracefulQueue] || []
+  publishQueue(fs, queue)
+
+  // Patch fs.close/closeSync to shared queue version, because we need
+  // to retry() whenever a close happens *anywhere* in the program.
+  // This is essential when multiple graceful-fs instances are
+  // in play at the same time.
+  fs.close = (function (fs$close) {
+    function close (fd, cb) {
+      return fs$close.call(fs, fd, function (err) {
+        // This function uses the graceful-fs shared queue
+        if (!err) {
+          resetQueue()
+        }
+
+        if (typeof cb === 'function')
+          cb.apply(this, arguments)
+      })
+    }
+
+    Object.defineProperty(close, previousSymbol, {
+      value: fs$close
+    })
+    return close
+  })(fs.close)
+
+  fs.closeSync = (function (fs$closeSync) {
+    function closeSync (fd) {
+      // This function uses the graceful-fs shared queue
+      fs$closeSync.apply(fs, arguments)
+      resetQueue()
+    }
+
+    Object.defineProperty(closeSync, previousSymbol, {
+      value: fs$closeSync
+    })
+    return closeSync
+  })(fs.closeSync)
+
+  if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) {
+    process.on('exit', function() {
+      debug(fs[gracefulQueue])
+      require('assert').equal(fs[gracefulQueue].length, 0)
+    })
+  }
+}
+
+if (!global[gracefulQueue]) {
+  publishQueue(global, fs[gracefulQueue]);
+}
+
+module.exports = patch(clone(fs))
+if (process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH && !fs.__patched) {
+    module.exports = patch(fs)
+    fs.__patched = true;
+}
+
+function patch (fs) {
+  // Everything that references the open() function needs to be in here
+  polyfills(fs)
+  fs.gracefulify = patch
+
+  fs.createReadStream = createReadStream
+  fs.createWriteStream = createWriteStream
+  var fs$readFile = fs.readFile
+  fs.readFile = readFile
+  function readFile (path, options, cb) {
+    if (typeof options === 'function')
+      cb = options, options = null
+
+    return go$readFile(path, options, cb)
+
+    function go$readFile (path, options, cb, startTime) {
+      return fs$readFile(path, options, function (err) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([go$readFile, [path, options, cb], err, startTime || Date.now(), Date.now()])
+        else {
+          if (typeof cb === 'function')
+            cb.apply(this, arguments)
+        }
+      })
+    }
+  }
+
+  var fs$writeFile = fs.writeFile
+  fs.writeFile = writeFile
+  function writeFile (path, data, options, cb) {
+    if (typeof options === 'function')
+      cb = options, options = null
+
+    return go$writeFile(path, data, options, cb)
+
+    function go$writeFile (path, data, options, cb, startTime) {
+      return fs$writeFile(path, data, options, function (err) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([go$writeFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()])
+        else {
+          if (typeof cb === 'function')
+            cb.apply(this, arguments)
+        }
+      })
+    }
+  }
+
+  var fs$appendFile = fs.appendFile
+  if (fs$appendFile)
+    fs.appendFile = appendFile
+  function appendFile (path, data, options, cb) {
+    if (typeof options === 'function')
+      cb = options, options = null
+
+    return go$appendFile(path, data, options, cb)
+
+    function go$appendFile (path, data, options, cb, startTime) {
+      return fs$appendFile(path, data, options, function (err) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([go$appendFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()])
+        else {
+          if (typeof cb === 'function')
+            cb.apply(this, arguments)
+        }
+      })
+    }
+  }
+
+  var fs$copyFile = fs.copyFile
+  if (fs$copyFile)
+    fs.copyFile = copyFile
+  function copyFile (src, dest, flags, cb) {
+    if (typeof flags === 'function') {
+      cb = flags
+      flags = 0
+    }
+    return go$copyFile(src, dest, flags, cb)
+
+    function go$copyFile (src, dest, flags, cb, startTime) {
+      return fs$copyFile(src, dest, flags, function (err) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([go$copyFile, [src, dest, flags, cb], err, startTime || Date.now(), Date.now()])
+        else {
+          if (typeof cb === 'function')
+            cb.apply(this, arguments)
+        }
+      })
+    }
+  }
+
+  var fs$readdir = fs.readdir
+  fs.readdir = readdir
+  var noReaddirOptionVersions = /^v[0-5]\./
+  function readdir (path, options, cb) {
+    if (typeof options === 'function')
+      cb = options, options = null
+
+    var go$readdir = noReaddirOptionVersions.test(process.version)
+      ? function go$readdir (path, options, cb, startTime) {
+        return fs$readdir(path, fs$readdirCallback(
+          path, options, cb, startTime
+        ))
+      }
+      : function go$readdir (path, options, cb, startTime) {
+        return fs$readdir(path, options, fs$readdirCallback(
+          path, options, cb, startTime
+        ))
+      }
+
+    return go$readdir(path, options, cb)
+
+    function fs$readdirCallback (path, options, cb, startTime) {
+      return function (err, files) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([
+            go$readdir,
+            [path, options, cb],
+            err,
+            startTime || Date.now(),
+            Date.now()
+          ])
+        else {
+          if (files && files.sort)
+            files.sort()
+
+          if (typeof cb === 'function')
+            cb.call(this, err, files)
+        }
+      }
+    }
+  }
+
+  if (process.version.substr(0, 4) === 'v0.8') {
+    var legStreams = legacy(fs)
+    ReadStream = legStreams.ReadStream
+    WriteStream = legStreams.WriteStream
+  }
+
+  var fs$ReadStream = fs.ReadStream
+  if (fs$ReadStream) {
+    ReadStream.prototype = Object.create(fs$ReadStream.prototype)
+    ReadStream.prototype.open = ReadStream$open
+  }
+
+  var fs$WriteStream = fs.WriteStream
+  if (fs$WriteStream) {
+    WriteStream.prototype = Object.create(fs$WriteStream.prototype)
+    WriteStream.prototype.open = WriteStream$open
+  }
+
+  Object.defineProperty(fs, 'ReadStream', {
+    get: function () {
+      return ReadStream
+    },
+    set: function (val) {
+      ReadStream = val
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(fs, 'WriteStream', {
+    get: function () {
+      return WriteStream
+    },
+    set: function (val) {
+      WriteStream = val
+    },
+    enumerable: true,
+    configurable: true
+  })
+
+  // legacy names
+  var FileReadStream = ReadStream
+  Object.defineProperty(fs, 'FileReadStream', {
+    get: function () {
+      return FileReadStream
+    },
+    set: function (val) {
+      FileReadStream = val
+    },
+    enumerable: true,
+    configurable: true
+  })
+  var FileWriteStream = WriteStream
+  Object.defineProperty(fs, 'FileWriteStream', {
+    get: function () {
+      return FileWriteStream
+    },
+    set: function (val) {
+      FileWriteStream = val
+    },
+    enumerable: true,
+    configurable: true
+  })
+
+  function ReadStream (path, options) {
+    if (this instanceof ReadStream)
+      return fs$ReadStream.apply(this, arguments), this
+    else
+      return ReadStream.apply(Object.create(ReadStream.prototype), arguments)
+  }
+
+  function ReadStream$open () {
+    var that = this
+    open(that.path, that.flags, that.mode, function (err, fd) {
+      if (err) {
+        if (that.autoClose)
+          that.destroy()
+
+        that.emit('error', err)
+      } else {
+        that.fd = fd
+        that.emit('open', fd)
+        that.read()
+      }
+    })
+  }
+
+  function WriteStream (path, options) {
+    if (this instanceof WriteStream)
+      return fs$WriteStream.apply(this, arguments), this
+    else
+      return WriteStream.apply(Object.create(WriteStream.prototype), arguments)
+  }
+
+  function WriteStream$open () {
+    var that = this
+    open(that.path, that.flags, that.mode, function (err, fd) {
+      if (err) {
+        that.destroy()
+        that.emit('error', err)
+      } else {
+        that.fd = fd
+        that.emit('open', fd)
+      }
+    })
+  }
+
+  function createReadStream (path, options) {
+    return new fs.ReadStream(path, options)
+  }
+
+  function createWriteStream (path, options) {
+    return new fs.WriteStream(path, options)
+  }
+
+  var fs$open = fs.open
+  fs.open = open
+  function open (path, flags, mode, cb) {
+    if (typeof mode === 'function')
+      cb = mode, mode = null
+
+    return go$open(path, flags, mode, cb)
+
+    function go$open (path, flags, mode, cb, startTime) {
+      return fs$open(path, flags, mode, function (err, fd) {
+        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
+          enqueue([go$open, [path, flags, mode, cb], err, startTime || Date.now(), Date.now()])
+        else {
+          if (typeof cb === 'function')
+            cb.apply(this, arguments)
+        }
+      })
+    }
+  }
+
+  return fs
+}
+
+function enqueue (elem) {
+  debug('ENQUEUE', elem[0].name, elem[1])
+  fs[gracefulQueue].push(elem)
+  retry()
+}
+
+// keep track of the timeout between retry() calls
+var retryTimer
+
+// reset the startTime and lastTime to now
+// this resets the start of the 60 second overall timeout as well as the
+// delay between attempts so that we'll retry these jobs sooner
+function resetQueue () {
+  var now = Date.now()
+  for (var i = 0; i < fs[gracefulQueue].length; ++i) {
+    // entries that are only a length of 2 are from an older version, don't
+    // bother modifying those since they'll be retried anyway.
+    if (fs[gracefulQueue][i].length > 2) {
+      fs[gracefulQueue][i][3] = now // startTime
+      fs[gracefulQueue][i][4] = now // lastTime
+    }
+  }
+  // call retry to make sure we're actively processing the queue
+  retry()
+}
+
+function retry () {
+  // clear the timer and remove it to help prevent unintended concurrency
+  clearTimeout(retryTimer)
+  retryTimer = undefined
+
+  if (fs[gracefulQueue].length === 0)
+    return
+
+  var elem = fs[gracefulQueue].shift()
+  var fn = elem[0]
+  var args = elem[1]
+  // these items may be unset if they were added by an older graceful-fs
+  var err = elem[2]
+  var startTime = elem[3]
+  var lastTime = elem[4]
+
+  // if we don't have a startTime we have no way of knowing if we've waited
+  // long enough, so go ahead and retry this item now
+  if (startTime === undefined) {
+    debug('RETRY', fn.name, args)
+    fn.apply(null, args)
+  } else if (Date.now() - startTime >= 60000) {
+    // it's been more than 60 seconds total, bail now
+    debug('TIMEOUT', fn.name, args)
+    var cb = args.pop()
+    if (typeof cb === 'function')
+      cb.call(null, err)
+  } else {
+    // the amount of time between the last attempt and right now
+    var sinceAttempt = Date.now() - lastTime
+    // the amount of time between when we first tried, and when we last tried
+    // rounded up to at least 1
+    var sinceStart = Math.max(lastTime - startTime, 1)
+    // backoff. wait longer than the total time we've been retrying, but only
+    // up to a maximum of 100ms
+    var desiredDelay = Math.min(sinceStart * 1.2, 100)
+    // it's been long enough since the last retry, do it again
+    if (sinceAttempt >= desiredDelay) {
+      debug('RETRY', fn.name, args)
+      fn.apply(null, args.concat([startTime]))
+    } else {
+      // if we can't do this job yet, push it to the end of the queue
+      // and let the next iteration check again
+      fs[gracefulQueue].push(elem)
+    }
+  }
+
+  // schedule our next run if one isn't already scheduled
+  if (retryTimer === undefined) {
+    retryTimer = setTimeout(retry, 0)
+  }
+}
diff --git a/node_modules/graceful-fs/legacy-streams.js b/node_modules/graceful-fs/legacy-streams.js
new file mode 100644
index 00000000..d617b50f
--- /dev/null
+++ b/node_modules/graceful-fs/legacy-streams.js
@@ -0,0 +1,118 @@
+var Stream = require('stream').Stream
+
+module.exports = legacy
+
+function legacy (fs) {
+  return {
+    ReadStream: ReadStream,
+    WriteStream: WriteStream
+  }
+
+  function ReadStream (path, options) {
+    if (!(this instanceof ReadStream)) return new ReadStream(path, options);
+
+    Stream.call(this);
+
+    var self = this;
+
+    this.path = path;
+    this.fd = null;
+    this.readable = true;
+    this.paused = false;
+
+    this.flags = 'r';
+    this.mode = 438; /*=0666*/
+    this.bufferSize = 64 * 1024;
+
+    options = options || {};
+
+    // Mixin options into this
+    var keys = Object.keys(options);
+    for (var index = 0, length = keys.length; index < length; index++) {
+      var key = keys[index];
+      this[key] = options[key];
+    }
+
+    if (this.encoding) this.setEncoding(this.encoding);
+
+    if (this.start !== undefined) {
+      if ('number' !== typeof this.start) {
+        throw TypeError('start must be a Number');
+      }
+      if (this.end === undefined) {
+        this.end = Infinity;
+      } else if ('number' !== typeof this.end) {
+        throw TypeError('end must be a Number');
+      }
+
+      if (this.start > this.end) {
+        throw new Error('start must be <= end');
+      }
+
+      this.pos = this.start;
+    }
+
+    if (this.fd !== null) {
+      process.nextTick(function() {
+        self._read();
+      });
+      return;
+    }
+
+    fs.open(this.path, this.flags, this.mode, function (err, fd) {
+      if (err) {
+        self.emit('error', err);
+        self.readable = false;
+        return;
+      }
+
+      self.fd = fd;
+      self.emit('open', fd);
+      self._read();
+    })
+  }
+
+  function WriteStream (path, options) {
+    if (!(this instanceof WriteStream)) return new WriteStream(path, options);
+
+    Stream.call(this);
+
+    this.path = path;
+    this.fd = null;
+    this.writable = true;
+
+    this.flags = 'w';
+    this.encoding = 'binary';
+    this.mode = 438; /*=0666*/
+    this.bytesWritten = 0;
+
+    options = options || {};
+
+    // Mixin options into this
+    var keys = Object.keys(options);
+    for (var index = 0, length = keys.length; index < length; index++) {
+      var key = keys[index];
+      this[key] = options[key];
+    }
+
+    if (this.start !== undefined) {
+      if ('number' !== typeof this.start) {
+        throw TypeError('start must be a Number');
+      }
+      if (this.start < 0) {
+        throw new Error('start must be >= zero');
+      }
+
+      this.pos = this.start;
+    }
+
+    this.busy = false;
+    this._queue = [];
+
+    if (this.fd === null) {
+      this._open = fs.open;
+      this._queue.push([this._open, this.path, this.flags, this.mode, undefined]);
+      this.flush();
+    }
+  }
+}
diff --git a/node_modules/graceful-fs/package.json b/node_modules/graceful-fs/package.json
new file mode 100644
index 00000000..87babf02
--- /dev/null
+++ b/node_modules/graceful-fs/package.json
@@ -0,0 +1,53 @@
+{
+  "name": "graceful-fs",
+  "description": "A drop-in replacement for fs, making various improvements.",
+  "version": "4.2.11",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/isaacs/node-graceful-fs"
+  },
+  "main": "graceful-fs.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --follow-tags",
+    "test": "nyc --silent node test.js | tap -c -",
+    "posttest": "nyc report"
+  },
+  "keywords": [
+    "fs",
+    "module",
+    "reading",
+    "retry",
+    "retries",
+    "queue",
+    "error",
+    "errors",
+    "handling",
+    "EMFILE",
+    "EAGAIN",
+    "EINVAL",
+    "EPERM",
+    "EACCESS"
+  ],
+  "license": "ISC",
+  "devDependencies": {
+    "import-fresh": "^2.0.0",
+    "mkdirp": "^0.5.0",
+    "rimraf": "^2.2.8",
+    "tap": "^16.3.4"
+  },
+  "files": [
+    "fs.js",
+    "graceful-fs.js",
+    "legacy-streams.js",
+    "polyfills.js",
+    "clone.js"
+  ],
+  "tap": {
+    "reporter": "classic"
+  }
+}
diff --git a/node_modules/graceful-fs/polyfills.js b/node_modules/graceful-fs/polyfills.js
new file mode 100644
index 00000000..453f1a9e
--- /dev/null
+++ b/node_modules/graceful-fs/polyfills.js
@@ -0,0 +1,355 @@
+var constants = require('constants')
+
+var origCwd = process.cwd
+var cwd = null
+
+var platform = process.env.GRACEFUL_FS_PLATFORM || process.platform
+
+process.cwd = function() {
+  if (!cwd)
+    cwd = origCwd.call(process)
+  return cwd
+}
+try {
+  process.cwd()
+} catch (er) {}
+
+// This check is needed until node.js 12 is required
+if (typeof process.chdir === 'function') {
+  var chdir = process.chdir
+  process.chdir = function (d) {
+    cwd = null
+    chdir.call(process, d)
+  }
+  if (Object.setPrototypeOf) Object.setPrototypeOf(process.chdir, chdir)
+}
+
+module.exports = patch
+
+function patch (fs) {
+  // (re-)implement some things that are known busted or missing.
+
+  // lchmod, broken prior to 0.6.2
+  // back-port the fix here.
+  if (constants.hasOwnProperty('O_SYMLINK') &&
+      process.version.match(/^v0\.6\.[0-2]|^v0\.5\./)) {
+    patchLchmod(fs)
+  }
+
+  // lutimes implementation, or no-op
+  if (!fs.lutimes) {
+    patchLutimes(fs)
+  }
+
+  // https://github.com/isaacs/node-graceful-fs/issues/4
+  // Chown should not fail on einval or eperm if non-root.
+  // It should not fail on enosys ever, as this just indicates
+  // that a fs doesn't support the intended operation.
+
+  fs.chown = chownFix(fs.chown)
+  fs.fchown = chownFix(fs.fchown)
+  fs.lchown = chownFix(fs.lchown)
+
+  fs.chmod = chmodFix(fs.chmod)
+  fs.fchmod = chmodFix(fs.fchmod)
+  fs.lchmod = chmodFix(fs.lchmod)
+
+  fs.chownSync = chownFixSync(fs.chownSync)
+  fs.fchownSync = chownFixSync(fs.fchownSync)
+  fs.lchownSync = chownFixSync(fs.lchownSync)
+
+  fs.chmodSync = chmodFixSync(fs.chmodSync)
+  fs.fchmodSync = chmodFixSync(fs.fchmodSync)
+  fs.lchmodSync = chmodFixSync(fs.lchmodSync)
+
+  fs.stat = statFix(fs.stat)
+  fs.fstat = statFix(fs.fstat)
+  fs.lstat = statFix(fs.lstat)
+
+  fs.statSync = statFixSync(fs.statSync)
+  fs.fstatSync = statFixSync(fs.fstatSync)
+  fs.lstatSync = statFixSync(fs.lstatSync)
+
+  // if lchmod/lchown do not exist, then make them no-ops
+  if (fs.chmod && !fs.lchmod) {
+    fs.lchmod = function (path, mode, cb) {
+      if (cb) process.nextTick(cb)
+    }
+    fs.lchmodSync = function () {}
+  }
+  if (fs.chown && !fs.lchown) {
+    fs.lchown = function (path, uid, gid, cb) {
+      if (cb) process.nextTick(cb)
+    }
+    fs.lchownSync = function () {}
+  }
+
+  // on Windows, A/V software can lock the directory, causing this
+  // to fail with an EACCES or EPERM if the directory contains newly
+  // created files.  Try again on failure, for up to 60 seconds.
+
+  // Set the timeout this long because some Windows Anti-Virus, such as Parity
+  // bit9, may lock files for up to a minute, causing npm package install
+  // failures. Also, take care to yield the scheduler. Windows scheduling gives
+  // CPU to a busy looping process, which can cause the program causing the lock
+  // contention to be starved of CPU by node, so the contention doesn't resolve.
+  if (platform === "win32") {
+    fs.rename = typeof fs.rename !== 'function' ? fs.rename
+    : (function (fs$rename) {
+      function rename (from, to, cb) {
+        var start = Date.now()
+        var backoff = 0;
+        fs$rename(from, to, function CB (er) {
+          if (er
+              && (er.code === "EACCES" || er.code === "EPERM" || er.code === "EBUSY")
+              && Date.now() - start < 60000) {
+            setTimeout(function() {
+              fs.stat(to, function (stater, st) {
+                if (stater && stater.code === "ENOENT")
+                  fs$rename(from, to, CB);
+                else
+                  cb(er)
+              })
+            }, backoff)
+            if (backoff < 100)
+              backoff += 10;
+            return;
+          }
+          if (cb) cb(er)
+        })
+      }
+      if (Object.setPrototypeOf) Object.setPrototypeOf(rename, fs$rename)
+      return rename
+    })(fs.rename)
+  }
+
+  // if read() returns EAGAIN, then just try it again.
+  fs.read = typeof fs.read !== 'function' ? fs.read
+  : (function (fs$read) {
+    function read (fd, buffer, offset, length, position, callback_) {
+      var callback
+      if (callback_ && typeof callback_ === 'function') {
+        var eagCounter = 0
+        callback = function (er, _, __) {
+          if (er && er.code === 'EAGAIN' && eagCounter < 10) {
+            eagCounter ++
+            return fs$read.call(fs, fd, buffer, offset, length, position, callback)
+          }
+          callback_.apply(this, arguments)
+        }
+      }
+      return fs$read.call(fs, fd, buffer, offset, length, position, callback)
+    }
+
+    // This ensures `util.promisify` works as it does for native `fs.read`.
+    if (Object.setPrototypeOf) Object.setPrototypeOf(read, fs$read)
+    return read
+  })(fs.read)
+
+  fs.readSync = typeof fs.readSync !== 'function' ? fs.readSync
+  : (function (fs$readSync) { return function (fd, buffer, offset, length, position) {
+    var eagCounter = 0
+    while (true) {
+      try {
+        return fs$readSync.call(fs, fd, buffer, offset, length, position)
+      } catch (er) {
+        if (er.code === 'EAGAIN' && eagCounter < 10) {
+          eagCounter ++
+          continue
+        }
+        throw er
+      }
+    }
+  }})(fs.readSync)
+
+  function patchLchmod (fs) {
+    fs.lchmod = function (path, mode, callback) {
+      fs.open( path
+             , constants.O_WRONLY | constants.O_SYMLINK
+             , mode
+             , function (err, fd) {
+        if (err) {
+          if (callback) callback(err)
+          return
+        }
+        // prefer to return the chmod error, if one occurs,
+        // but still try to close, and report closing errors if they occur.
+        fs.fchmod(fd, mode, function (err) {
+          fs.close(fd, function(err2) {
+            if (callback) callback(err || err2)
+          })
+        })
+      })
+    }
+
+    fs.lchmodSync = function (path, mode) {
+      var fd = fs.openSync(path, constants.O_WRONLY | constants.O_SYMLINK, mode)
+
+      // prefer to return the chmod error, if one occurs,
+      // but still try to close, and report closing errors if they occur.
+      var threw = true
+      var ret
+      try {
+        ret = fs.fchmodSync(fd, mode)
+        threw = false
+      } finally {
+        if (threw) {
+          try {
+            fs.closeSync(fd)
+          } catch (er) {}
+        } else {
+          fs.closeSync(fd)
+        }
+      }
+      return ret
+    }
+  }
+
+  function patchLutimes (fs) {
+    if (constants.hasOwnProperty("O_SYMLINK") && fs.futimes) {
+      fs.lutimes = function (path, at, mt, cb) {
+        fs.open(path, constants.O_SYMLINK, function (er, fd) {
+          if (er) {
+            if (cb) cb(er)
+            return
+          }
+          fs.futimes(fd, at, mt, function (er) {
+            fs.close(fd, function (er2) {
+              if (cb) cb(er || er2)
+            })
+          })
+        })
+      }
+
+      fs.lutimesSync = function (path, at, mt) {
+        var fd = fs.openSync(path, constants.O_SYMLINK)
+        var ret
+        var threw = true
+        try {
+          ret = fs.futimesSync(fd, at, mt)
+          threw = false
+        } finally {
+          if (threw) {
+            try {
+              fs.closeSync(fd)
+            } catch (er) {}
+          } else {
+            fs.closeSync(fd)
+          }
+        }
+        return ret
+      }
+
+    } else if (fs.futimes) {
+      fs.lutimes = function (_a, _b, _c, cb) { if (cb) process.nextTick(cb) }
+      fs.lutimesSync = function () {}
+    }
+  }
+
+  function chmodFix (orig) {
+    if (!orig) return orig
+    return function (target, mode, cb) {
+      return orig.call(fs, target, mode, function (er) {
+        if (chownErOk(er)) er = null
+        if (cb) cb.apply(this, arguments)
+      })
+    }
+  }
+
+  function chmodFixSync (orig) {
+    if (!orig) return orig
+    return function (target, mode) {
+      try {
+        return orig.call(fs, target, mode)
+      } catch (er) {
+        if (!chownErOk(er)) throw er
+      }
+    }
+  }
+
+
+  function chownFix (orig) {
+    if (!orig) return orig
+    return function (target, uid, gid, cb) {
+      return orig.call(fs, target, uid, gid, function (er) {
+        if (chownErOk(er)) er = null
+        if (cb) cb.apply(this, arguments)
+      })
+    }
+  }
+
+  function chownFixSync (orig) {
+    if (!orig) return orig
+    return function (target, uid, gid) {
+      try {
+        return orig.call(fs, target, uid, gid)
+      } catch (er) {
+        if (!chownErOk(er)) throw er
+      }
+    }
+  }
+
+  function statFix (orig) {
+    if (!orig) return orig
+    // Older versions of Node erroneously returned signed integers for
+    // uid + gid.
+    return function (target, options, cb) {
+      if (typeof options === 'function') {
+        cb = options
+        options = null
+      }
+      function callback (er, stats) {
+        if (stats) {
+          if (stats.uid < 0) stats.uid += 0x100000000
+          if (stats.gid < 0) stats.gid += 0x100000000
+        }
+        if (cb) cb.apply(this, arguments)
+      }
+      return options ? orig.call(fs, target, options, callback)
+        : orig.call(fs, target, callback)
+    }
+  }
+
+  function statFixSync (orig) {
+    if (!orig) return orig
+    // Older versions of Node erroneously returned signed integers for
+    // uid + gid.
+    return function (target, options) {
+      var stats = options ? orig.call(fs, target, options)
+        : orig.call(fs, target)
+      if (stats) {
+        if (stats.uid < 0) stats.uid += 0x100000000
+        if (stats.gid < 0) stats.gid += 0x100000000
+      }
+      return stats;
+    }
+  }
+
+  // ENOSYS means that the fs doesn't support the op. Just ignore
+  // that, because it doesn't matter.
+  //
+  // if there's no getuid, or if getuid() is something other
+  // than 0, and the error is EINVAL or EPERM, then just ignore
+  // it.
+  //
+  // This specific case is a silent failure in cp, install, tar,
+  // and most other unix tools that manage permissions.
+  //
+  // When running as root, or if other types of errors are
+  // encountered, then it's strict.
+  function chownErOk (er) {
+    if (!er)
+      return true
+
+    if (er.code === "ENOSYS")
+      return true
+
+    var nonroot = !process.getuid || process.getuid() !== 0
+    if (nonroot) {
+      if (er.code === "EINVAL" || er.code === "EPERM")
+        return true
+    }
+
+    return false
+  }
+}
diff --git a/node_modules/has-property-descriptors/.eslintrc b/node_modules/has-property-descriptors/.eslintrc
new file mode 100644
index 00000000..2fcc002b
--- /dev/null
+++ b/node_modules/has-property-descriptors/.eslintrc
@@ -0,0 +1,13 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": ["GetIntrinsic"],
+		}],
+	},
+}
diff --git a/node_modules/has-property-descriptors/.github/FUNDING.yml b/node_modules/has-property-descriptors/.github/FUNDING.yml
new file mode 100644
index 00000000..817aacf1
--- /dev/null
+++ b/node_modules/has-property-descriptors/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-property-descriptors
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/has-property-descriptors/.nycrc b/node_modules/has-property-descriptors/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/has-property-descriptors/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/has-property-descriptors/CHANGELOG.md b/node_modules/has-property-descriptors/CHANGELOG.md
new file mode 100644
index 00000000..19c8a959
--- /dev/null
+++ b/node_modules/has-property-descriptors/CHANGELOG.md
@@ -0,0 +1,35 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/inspect-js/has-property-descriptors/compare/v1.0.1...v1.0.2) - 2024-02-12
+
+### Commits
+
+- [Refactor] use `es-define-property` [`f93a8c8`](https://github.com/inspect-js/has-property-descriptors/commit/f93a8c85eba70cbceab500f2619fb5cce73a1805)
+- [Dev Deps] update `aud`, `npmignore`, `tape` [`42b0c9d`](https://github.com/inspect-js/has-property-descriptors/commit/42b0c9d1c23e747755f0f2924923c418ea34a9ee)
+- [Deps] update `get-intrinsic` [`35e9b46`](https://github.com/inspect-js/has-property-descriptors/commit/35e9b46a7f14331bf0de98b644dd803676746037)
+
+## [v1.0.1](https://github.com/inspect-js/has-property-descriptors/compare/v1.0.0...v1.0.1) - 2023-10-20
+
+### Commits
+
+- [meta] use `npmignore` to autogenerate an npmignore file [`5bbf4da`](https://github.com/inspect-js/has-property-descriptors/commit/5bbf4dae1b58950d87bb3af508bee7513e640868)
+- [actions] update rebase action to use reusable workflow [`3a5585b`](https://github.com/inspect-js/has-property-descriptors/commit/3a5585bf74988f71a8f59e67a07d594e62c51fd8)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`e5c1212`](https://github.com/inspect-js/has-property-descriptors/commit/e5c1212048a8fda549794c47863724ca60b89cae)
+- [Dev Deps] update `aud`, `tape` [`e942917`](https://github.com/inspect-js/has-property-descriptors/commit/e942917b6c2f7c090d5623048989cf20d0834ebf)
+- [Deps] update `get-intrinsic` [`f4a44ec`](https://github.com/inspect-js/has-property-descriptors/commit/f4a44ec6d94146fa6c550d3c15c31a2062c83ef4)
+- [Deps] update `get-intrinsic` [`eeb275b`](https://github.com/inspect-js/has-property-descriptors/commit/eeb275b473e5d72ca843b61ca25cfcb06a5d4300)
+
+## v1.0.0 - 2022-04-14
+
+### Commits
+
+- Initial implementation, tests [`303559f`](https://github.com/inspect-js/has-property-descriptors/commit/303559f2a72dfe7111573a1aec475ed4a184c35a)
+- Initial commit [`3a7ca2d`](https://github.com/inspect-js/has-property-descriptors/commit/3a7ca2dc49f1fff0279a28bb16265e7615e14749)
+- read me [`dd73dce`](https://github.com/inspect-js/has-property-descriptors/commit/dd73dce09d89d0f7a4a6e3b1e562a506f979a767)
+- npm init [`c1e6557`](https://github.com/inspect-js/has-property-descriptors/commit/c1e655779de632d68cb944c50da6b71bcb7b8c85)
+- Only apps should have lockfiles [`e72f7c6`](https://github.com/inspect-js/has-property-descriptors/commit/e72f7c68de534b2d273ee665f8b18d4ecc7f70b0)
diff --git a/node_modules/has-property-descriptors/LICENSE b/node_modules/has-property-descriptors/LICENSE
new file mode 100644
index 00000000..2e7b9a3e
--- /dev/null
+++ b/node_modules/has-property-descriptors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Inspect JS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/has-property-descriptors/README.md b/node_modules/has-property-descriptors/README.md
new file mode 100644
index 00000000..d81fbd99
--- /dev/null
+++ b/node_modules/has-property-descriptors/README.md
@@ -0,0 +1,43 @@
+# has-property-descriptors <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
+
+## Example
+
+```js
+var hasPropertyDescriptors = require('has-property-descriptors');
+var assert = require('assert');
+
+assert.equal(hasPropertyDescriptors(), true); // will be `false` in IE 6-8, and ES5 engines
+
+// Arrays can not have their length `[[Defined]]` in some engines
+assert.equal(hasPropertyDescriptors.hasArrayLengthDefineBug(), false); // will be `true` in Firefox 4-22, and node v0.6
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/has-property-descriptors
+[npm-version-svg]: https://versionbadg.es/inspect-js/has-property-descriptors.svg
+[deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors.svg
+[deps-url]: https://david-dm.org/inspect-js/has-property-descriptors
+[dev-deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/has-property-descriptors#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/has-property-descriptors.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-property-descriptors.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-property-descriptors.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-property-descriptors
+[codecov-image]: https://codecov.io/gh/inspect-js/has-property-descriptors/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-property-descriptors/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-property-descriptors
+[actions-url]: https://github.com/inspect-js/has-property-descriptors/actions
diff --git a/node_modules/has-property-descriptors/index.js b/node_modules/has-property-descriptors/index.js
new file mode 100644
index 00000000..04804379
--- /dev/null
+++ b/node_modules/has-property-descriptors/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var $defineProperty = require('es-define-property');
+
+var hasPropertyDescriptors = function hasPropertyDescriptors() {
+	return !!$defineProperty;
+};
+
+hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {
+	// node v0.6 has a bug where array lengths can be Set but not Defined
+	if (!$defineProperty) {
+		return null;
+	}
+	try {
+		return $defineProperty([], 'length', { value: 1 }).length !== 1;
+	} catch (e) {
+		// In Firefox 4-22, defining length on an array throws an exception.
+		return true;
+	}
+};
+
+module.exports = hasPropertyDescriptors;
diff --git a/node_modules/has-property-descriptors/package.json b/node_modules/has-property-descriptors/package.json
new file mode 100644
index 00000000..7e70218b
--- /dev/null
+++ b/node_modules/has-property-descriptors/package.json
@@ -0,0 +1,77 @@
+{
+	"name": "has-property-descriptors",
+	"version": "1.0.2",
+	"description": "Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/has-property-descriptors.git"
+	},
+	"keywords": [
+		"property",
+		"descriptors",
+		"has",
+		"environment",
+		"env",
+		"defineProperty",
+		"getOwnPropertyDescriptor"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/has-property-descriptors/issues"
+	},
+	"homepage": "https://github.com/inspect-js/has-property-descriptors#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4"
+	},
+	"dependencies": {
+		"es-define-property": "^1.0.0"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/has-property-descriptors/test/index.js b/node_modules/has-property-descriptors/test/index.js
new file mode 100644
index 00000000..7f02bd3e
--- /dev/null
+++ b/node_modules/has-property-descriptors/test/index.js
@@ -0,0 +1,57 @@
+'use strict';
+
+var test = require('tape');
+
+var hasPropertyDescriptors = require('../');
+
+var sentinel = {};
+
+test('hasPropertyDescriptors', function (t) {
+	t.equal(typeof hasPropertyDescriptors, 'function', 'is a function');
+	t.equal(typeof hasPropertyDescriptors.hasArrayLengthDefineBug, 'function', '`hasArrayLengthDefineBug` property is a function');
+
+	var yes = hasPropertyDescriptors();
+	t.test('property descriptors', { skip: !yes }, function (st) {
+		var o = { a: sentinel };
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(o, 'a'),
+			{
+				configurable: true,
+				enumerable: true,
+				value: sentinel,
+				writable: true
+			},
+			'has expected property descriptor'
+		);
+
+		Object.defineProperty(o, 'a', { enumerable: false, writable: false });
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(o, 'a'),
+			{
+				configurable: true,
+				enumerable: false,
+				value: sentinel,
+				writable: false
+			},
+			'has expected property descriptor after [[Define]]'
+		);
+
+		st.end();
+	});
+
+	var arrayBug = hasPropertyDescriptors.hasArrayLengthDefineBug();
+	t.test('defining array lengths', { skip: !yes || arrayBug }, function (st) {
+		var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
+		st.equal(arr.length, 3, 'array starts with length 3');
+
+		Object.defineProperty(arr, 'length', { value: 5 });
+
+		st.equal(arr.length, 5, 'array ends with length 5');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/has-symbols/.eslintrc b/node_modules/has-symbols/.eslintrc
new file mode 100644
index 00000000..2d9a66a8
--- /dev/null
+++ b/node_modules/has-symbols/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-magic-numbers": 0,
+		"multiline-comment-style": 0,
+	}
+}
diff --git a/node_modules/has-symbols/.github/FUNDING.yml b/node_modules/has-symbols/.github/FUNDING.yml
new file mode 100644
index 00000000..04cf87e6
--- /dev/null
+++ b/node_modules/has-symbols/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-symbols
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/has-symbols/.nycrc b/node_modules/has-symbols/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/has-symbols/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/has-symbols/CHANGELOG.md b/node_modules/has-symbols/CHANGELOG.md
new file mode 100644
index 00000000..cc3cf839
--- /dev/null
+++ b/node_modules/has-symbols/CHANGELOG.md
@@ -0,0 +1,91 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.0](https://github.com/inspect-js/has-symbols/compare/v1.0.3...v1.1.0) - 2024-12-02
+
+### Commits
+
+- [actions] update workflows [`548c0bf`](https://github.com/inspect-js/has-symbols/commit/548c0bf8c9b1235458df7a1c0490b0064647a282)
+- [actions] further shard; update action deps [`bec56bb`](https://github.com/inspect-js/has-symbols/commit/bec56bb0fb44b43a786686b944875a3175cf3ff3)
+- [meta] use `npmignore` to autogenerate an npmignore file [`ac81032`](https://github.com/inspect-js/has-symbols/commit/ac81032809157e0a079e5264e9ce9b6f1275777e)
+- [New] add types [`6469cbf`](https://github.com/inspect-js/has-symbols/commit/6469cbff1866cfe367b2b3d181d9296ec14b2a3d)
+- [actions] update rebase action to use reusable workflow [`9c9d4d0`](https://github.com/inspect-js/has-symbols/commit/9c9d4d0d8938e4b267acdf8e421f4e92d1716d72)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`adb5887`](https://github.com/inspect-js/has-symbols/commit/adb5887ca9444849b08beb5caaa9e1d42320cdfb)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`13ec198`](https://github.com/inspect-js/has-symbols/commit/13ec198ec80f1993a87710af1606a1970b22c7cb)
+- [Dev Deps] update `auto-changelog`, `core-js`, `tape` [`941be52`](https://github.com/inspect-js/has-symbols/commit/941be5248387cab1da72509b22acf3fdb223f057)
+- [Tests] replace `aud` with `npm audit` [`74f49e9`](https://github.com/inspect-js/has-symbols/commit/74f49e9a9d17a443020784234a1c53ce765b3559)
+- [Dev Deps] update `npmignore` [`9c0ac04`](https://github.com/inspect-js/has-symbols/commit/9c0ac0452a834f4c2a4b54044f2d6a89f17e9a70)
+- [Dev Deps] add missing peer dep [`52337a5`](https://github.com/inspect-js/has-symbols/commit/52337a5621cced61f846f2afdab7707a8132cc12)
+
+## [v1.0.3](https://github.com/inspect-js/has-symbols/compare/v1.0.2...v1.0.3) - 2022-03-01
+
+### Commits
+
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`518b28f`](https://github.com/inspect-js/has-symbols/commit/518b28f6c5a516cbccae30794e40aa9f738b1693)
+- [meta] add `bugs` and `homepage` fields; reorder package.json [`c480b13`](https://github.com/inspect-js/has-symbols/commit/c480b13fd6802b557e1cef9749872cb5fdeef744)
+- [actions] reuse common workflows [`01d0ee0`](https://github.com/inspect-js/has-symbols/commit/01d0ee0a8d97c0947f5edb73eb722027a77b2b07)
+- [actions] update codecov uploader [`6424ebe`](https://github.com/inspect-js/has-symbols/commit/6424ebe86b2c9c7c3d2e9bd4413a4e4f168cb275)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`dfa7e7f`](https://github.com/inspect-js/has-symbols/commit/dfa7e7ff38b594645d8c8222aab895157fa7e282)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`0c8d436`](https://github.com/inspect-js/has-symbols/commit/0c8d43685c45189cea9018191d4fd7eca91c9d02)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`9026554`](https://github.com/inspect-js/has-symbols/commit/902655442a1bf88e72b42345494ef0c60f5d36ab)
+- [readme] add actions and codecov badges [`eaa9682`](https://github.com/inspect-js/has-symbols/commit/eaa9682f990f481d3acf7a1c7600bec36f7b3adc)
+- [Dev Deps] update `eslint`, `tape` [`bc7a3ba`](https://github.com/inspect-js/has-symbols/commit/bc7a3ba46f27b7743f8a2579732d59d1b9ac791e)
+- [Dev Deps] update `eslint`, `auto-changelog` [`0ace00a`](https://github.com/inspect-js/has-symbols/commit/0ace00af08a88cdd1e6ce0d60357d941c60c2d9f)
+- [meta] use `prepublishOnly` script for npm 7+ [`093f72b`](https://github.com/inspect-js/has-symbols/commit/093f72bc2b0ed00c781f444922a5034257bf561d)
+- [Tests] test on all 16 minors [`9b80d3d`](https://github.com/inspect-js/has-symbols/commit/9b80d3d9102529f04c20ec5b1fcc6e38426c6b03)
+
+## [v1.0.2](https://github.com/inspect-js/has-symbols/compare/v1.0.1...v1.0.2) - 2021-02-27
+
+### Fixed
+
+- [Fix] use a universal way to get the original Symbol [`#11`](https://github.com/inspect-js/has-symbols/issues/11)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`90ae798`](https://github.com/inspect-js/has-symbols/commit/90ae79820bdfe7bc703d67f5f3c5e205f98556d3)
+- [meta] do not publish github action workflow files [`29e60a1`](https://github.com/inspect-js/has-symbols/commit/29e60a1b7c25c7f1acf7acff4a9320d0d10c49b4)
+- [Tests] run `nyc` on all tests [`8476b91`](https://github.com/inspect-js/has-symbols/commit/8476b915650d360915abe2522505abf4b0e8f0ae)
+- [readme] fix repo URLs, remove defunct badges [`126288e`](https://github.com/inspect-js/has-symbols/commit/126288ecc1797c0a40247a6b78bcb2e0bc5d7036)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `core-js`, `get-own-property-symbols` [`d84bdfa`](https://github.com/inspect-js/has-symbols/commit/d84bdfa48ac5188abbb4904b42614cd6c030940a)
+- [Tests] fix linting errors [`0df3070`](https://github.com/inspect-js/has-symbols/commit/0df3070b981b6c9f2ee530c09189a7f5c6def839)
+- [actions] add "Allow Edits" workflow [`1e6bc29`](https://github.com/inspect-js/has-symbols/commit/1e6bc29b188f32b9648657b07eda08504be5aa9c)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`36cea2a`](https://github.com/inspect-js/has-symbols/commit/36cea2addd4e6ec435f35a2656b4e9ef82498e9b)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1278338`](https://github.com/inspect-js/has-symbols/commit/127833801865fbc2cc8979beb9ca869c7bfe8222)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1493254`](https://github.com/inspect-js/has-symbols/commit/1493254eda13db5fb8fc5e4a3e8324b3d196029d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js` [`b090bf2`](https://github.com/inspect-js/has-symbols/commit/b090bf214d3679a30edc1e2d729d466ab5183e1d)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`4addb7a`](https://github.com/inspect-js/has-symbols/commit/4addb7ab4dc73f927ae99928d68817554fc21dc0)
+- [Dev Deps] update `auto-changelog`, `tape` [`81d0baf`](https://github.com/inspect-js/has-symbols/commit/81d0baf3816096a89a8558e8043895f7a7d10d8b)
+- [Dev Deps] update `auto-changelog`; add `aud` [`1a4e561`](https://github.com/inspect-js/has-symbols/commit/1a4e5612c25d91c3a03d509721d02630bc4fe3da)
+- [readme] remove unused testling URLs [`3000941`](https://github.com/inspect-js/has-symbols/commit/3000941f958046e923ed8152edb1ef4a599e6fcc)
+- [Tests] only audit prod deps [`692e974`](https://github.com/inspect-js/has-symbols/commit/692e9743c912410e9440207631a643a34b4741a1)
+- [Dev Deps] update `@ljharb/eslint-config` [`51c946c`](https://github.com/inspect-js/has-symbols/commit/51c946c7f6baa793ec5390bb5a45cdce16b4ba76)
+
+## [v1.0.1](https://github.com/inspect-js/has-symbols/compare/v1.0.0...v1.0.1) - 2019-11-16
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`ce396c9`](https://github.com/inspect-js/has-symbols/commit/ce396c9419ff11c43d0da5d05cdbb79f7fb42229)
+- [Tests] up to `node` `v12.4`, `v11.15`, `v10.15`, `v9.11`, `v8.15`, `v7.10`, `v6.17`, `v4.9`; use `nvm install-latest-npm` [`0690732`](https://github.com/inspect-js/has-symbols/commit/0690732801f47ab429f39ba1962f522d5c462d6b)
+- [meta] add `auto-changelog` [`2163d0b`](https://github.com/inspect-js/has-symbols/commit/2163d0b7f36343076b8f947cd1667dd1750f26fc)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `safe-publish-latest`, `tape` [`8e0951f`](https://github.com/inspect-js/has-symbols/commit/8e0951f1a7a2e52068222b7bb73511761e6e4d9c)
+- [actions] add automatic rebasing / merge commit blocking [`b09cdb7`](https://github.com/inspect-js/has-symbols/commit/b09cdb7cd7ee39e7a769878f56e2d6066f5ccd1d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `core-js`, `get-own-property-symbols`, `tape` [`1dd42cd`](https://github.com/inspect-js/has-symbols/commit/1dd42cd86183ed0c50f99b1062345c458babca91)
+- [meta] create FUNDING.yml [`aa57a17`](https://github.com/inspect-js/has-symbols/commit/aa57a17b19708906d1927f821ea8e73394d84ca4)
+- Only apps should have lockfiles [`a2d8bea`](https://github.com/inspect-js/has-symbols/commit/a2d8bea23a97d15c09eaf60f5b107fcf9a4d57aa)
+- [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops [`9e96cb7`](https://github.com/inspect-js/has-symbols/commit/9e96cb783746cbed0c10ef78e599a8eaa7ebe193)
+- [meta] add `funding` field [`a0b32cf`](https://github.com/inspect-js/has-symbols/commit/a0b32cf68e803f963c1639b6d47b0a9d6440bab0)
+- [Dev Deps] update `safe-publish-latest` [`cb9f0a5`](https://github.com/inspect-js/has-symbols/commit/cb9f0a521a3a1790f1064d437edd33bb6c3d6af0)
+
+## v1.0.0 - 2016-09-19
+
+### Commits
+
+- Tests. [`ecb6eb9`](https://github.com/inspect-js/has-symbols/commit/ecb6eb934e4883137f3f93b965ba5e0a98df430d)
+- package.json [`88a337c`](https://github.com/inspect-js/has-symbols/commit/88a337cee0864a0da35f5d19e69ff0ef0150e46a)
+- Initial commit [`42e1e55`](https://github.com/inspect-js/has-symbols/commit/42e1e5502536a2b8ac529c9443984acd14836b1c)
+- Initial implementation. [`33f5cc6`](https://github.com/inspect-js/has-symbols/commit/33f5cc6cdff86e2194b081ee842bfdc63caf43fb)
+- read me [`01f1170`](https://github.com/inspect-js/has-symbols/commit/01f1170188ff7cb1558aa297f6ba5b516c6d7b0c)
diff --git a/node_modules/has-symbols/LICENSE b/node_modules/has-symbols/LICENSE
new file mode 100644
index 00000000..df31cbf3
--- /dev/null
+++ b/node_modules/has-symbols/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/has-symbols/README.md b/node_modules/has-symbols/README.md
new file mode 100644
index 00000000..33905f0f
--- /dev/null
+++ b/node_modules/has-symbols/README.md
@@ -0,0 +1,46 @@
+# has-symbols <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+Determine if the JS environment has Symbol support. Supports spec, or shams.
+
+## Example
+
+```js
+var hasSymbols = require('has-symbols');
+
+hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
+
+var hasSymbolsKinda = require('has-symbols/shams');
+hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.
+```
+
+## Supported Symbol shams
+ - get-own-property-symbols [npm](https://www.npmjs.com/package/get-own-property-symbols) | [github](https://github.com/WebReflection/get-own-property-symbols)
+ - core-js [npm](https://www.npmjs.com/package/core-js) | [github](https://github.com/zloirock/core-js)
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/has-symbols
+[2]: https://versionbadg.es/inspect-js/has-symbols.svg
+[5]: https://david-dm.org/inspect-js/has-symbols.svg
+[6]: https://david-dm.org/inspect-js/has-symbols
+[7]: https://david-dm.org/inspect-js/has-symbols/dev-status.svg
+[8]: https://david-dm.org/inspect-js/has-symbols#info=devDependencies
+[11]: https://nodei.co/npm/has-symbols.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-symbols.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-symbols.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-symbols
+[codecov-image]: https://codecov.io/gh/inspect-js/has-symbols/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-symbols/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-symbols
+[actions-url]: https://github.com/inspect-js/has-symbols/actions
diff --git a/node_modules/has-symbols/index.d.ts b/node_modules/has-symbols/index.d.ts
new file mode 100644
index 00000000..9b985950
--- /dev/null
+++ b/node_modules/has-symbols/index.d.ts
@@ -0,0 +1,3 @@
+declare function hasNativeSymbols(): boolean;
+
+export = hasNativeSymbols;
\ No newline at end of file
diff --git a/node_modules/has-symbols/index.js b/node_modules/has-symbols/index.js
new file mode 100644
index 00000000..fa65265a
--- /dev/null
+++ b/node_modules/has-symbols/index.js
@@ -0,0 +1,14 @@
+'use strict';
+
+var origSymbol = typeof Symbol !== 'undefined' && Symbol;
+var hasSymbolSham = require('./shams');
+
+/** @type {import('.')} */
+module.exports = function hasNativeSymbols() {
+	if (typeof origSymbol !== 'function') { return false; }
+	if (typeof Symbol !== 'function') { return false; }
+	if (typeof origSymbol('foo') !== 'symbol') { return false; }
+	if (typeof Symbol('bar') !== 'symbol') { return false; }
+
+	return hasSymbolSham();
+};
diff --git a/node_modules/has-symbols/package.json b/node_modules/has-symbols/package.json
new file mode 100644
index 00000000..d835e20b
--- /dev/null
+++ b/node_modules/has-symbols/package.json
@@ -0,0 +1,111 @@
+{
+	"name": "has-symbols",
+	"version": "1.1.0",
+	"description": "Determine if the JS environment has Symbol support. Supports spec, or shams.",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run --silent lint",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"tests-only": "npm run test:stock && npm run test:shams",
+		"test:stock": "nyc node test",
+		"test:staging": "nyc node --harmony --es-staging test",
+		"test:shams": "npm run --silent test:shams:getownpropertysymbols && npm run --silent test:shams:corejs",
+		"test:shams:corejs": "nyc node test/shams/core-js.js",
+		"test:shams:getownpropertysymbols": "nyc node test/shams/get-own-property-symbols.js",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/inspect-js/has-symbols.git"
+	},
+	"keywords": [
+		"Symbol",
+		"symbols",
+		"typeof",
+		"sham",
+		"polyfill",
+		"native",
+		"core-js",
+		"ES6"
+	],
+	"author": {
+		"name": "Jordan Harband",
+		"email": "ljharb@gmail.com",
+		"url": "http://ljharb.codes"
+	},
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"email": "ljharb@gmail.com",
+			"url": "http://ljharb.codes"
+		}
+	],
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/has-symbols/issues"
+	},
+	"homepage": "https://github.com/ljharb/has-symbols#readme",
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.0",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.0",
+		"@types/core-js": "^2.5.8",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"core-js": "^2.6.12",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"get-own-property-symbols": "^0.9.5",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"types"
+		]
+	}
+}
diff --git a/node_modules/has-symbols/shams.d.ts b/node_modules/has-symbols/shams.d.ts
new file mode 100644
index 00000000..8d0bf243
--- /dev/null
+++ b/node_modules/has-symbols/shams.d.ts
@@ -0,0 +1,3 @@
+declare function hasSymbolShams(): boolean;
+
+export = hasSymbolShams;
\ No newline at end of file
diff --git a/node_modules/has-symbols/shams.js b/node_modules/has-symbols/shams.js
new file mode 100644
index 00000000..f97b4741
--- /dev/null
+++ b/node_modules/has-symbols/shams.js
@@ -0,0 +1,45 @@
+'use strict';
+
+/** @type {import('./shams')} */
+/* eslint complexity: [2, 18], max-statements: [2, 33] */
+module.exports = function hasSymbols() {
+	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+	if (typeof Symbol.iterator === 'symbol') { return true; }
+
+	/** @type {{ [k in symbol]?: unknown }} */
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	if (typeof sym === 'string') { return false; }
+
+	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+	// temp disabled per https://github.com/ljharb/object.assign/issues/17
+	// if (sym instanceof Symbol) { return false; }
+	// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+	// if (!(symObj instanceof Symbol)) { return false; }
+
+	// if (typeof Symbol.prototype.toString !== 'function') { return false; }
+	// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	for (var _ in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
+	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+	var syms = Object.getOwnPropertySymbols(obj);
+	if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+	if (typeof Object.getOwnPropertyDescriptor === 'function') {
+		// eslint-disable-next-line no-extra-parens
+		var descriptor = /** @type {PropertyDescriptor} */ (Object.getOwnPropertyDescriptor(obj, sym));
+		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+	}
+
+	return true;
+};
diff --git a/node_modules/has-symbols/test/index.js b/node_modules/has-symbols/test/index.js
new file mode 100644
index 00000000..352129ca
--- /dev/null
+++ b/node_modules/has-symbols/test/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var test = require('tape');
+var hasSymbols = require('../');
+var runSymbolTests = require('./tests');
+
+test('interface', function (t) {
+	t.equal(typeof hasSymbols, 'function', 'is a function');
+	t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean');
+	t.end();
+});
+
+test('Symbols are supported', { skip: !hasSymbols() }, function (t) {
+	runSymbolTests(t);
+	t.end();
+});
+
+test('Symbols are not supported', { skip: hasSymbols() }, function (t) {
+	t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined');
+	t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist');
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/shams/core-js.js b/node_modules/has-symbols/test/shams/core-js.js
new file mode 100644
index 00000000..1a29024e
--- /dev/null
+++ b/node_modules/has-symbols/test/shams/core-js.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	// @ts-expect-error TS is stupid and doesn't know about top level return
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+	require('core-js/fn/symbol');
+	require('core-js/fn/symbol/to-string-tag');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/shams/get-own-property-symbols.js b/node_modules/has-symbols/test/shams/get-own-property-symbols.js
new file mode 100644
index 00000000..e0296f8e
--- /dev/null
+++ b/node_modules/has-symbols/test/shams/get-own-property-symbols.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	// @ts-expect-error TS is stupid and doesn't know about top level return
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+
+	require('get-own-property-symbols');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/tests.js b/node_modules/has-symbols/test/tests.js
new file mode 100644
index 00000000..66a2cb80
--- /dev/null
+++ b/node_modules/has-symbols/test/tests.js
@@ -0,0 +1,58 @@
+'use strict';
+
+/** @type {(t: import('tape').Test) => false | void} */
+// eslint-disable-next-line consistent-return
+module.exports = function runSymbolTests(t) {
+	t.equal(typeof Symbol, 'function', 'global Symbol is a function');
+
+	if (typeof Symbol !== 'function') { return false; }
+
+	t.notEqual(Symbol(), Symbol(), 'two symbols are not equal');
+
+	/*
+	t.equal(
+		Symbol.prototype.toString.call(Symbol('foo')),
+		Symbol.prototype.toString.call(Symbol('foo')),
+		'two symbols with the same description stringify the same'
+	);
+	*/
+
+	/*
+	var foo = Symbol('foo');
+
+	t.notEqual(
+		String(foo),
+		String(Symbol('bar')),
+		'two symbols with different descriptions do not stringify the same'
+	);
+	*/
+
+	t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function');
+	// t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol');
+
+	t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function');
+
+	/** @type {{ [k in symbol]?: unknown }} */
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	t.notEqual(typeof sym, 'string', 'Symbol is not a string');
+	t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+	t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	// eslint-disable-next-line no-restricted-syntax, no-unused-vars
+	for (var _ in obj) { t.fail('symbol property key was found in for..in of object'); }
+
+	t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object');
+	t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable');
+	t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), {
+		configurable: true,
+		enumerable: true,
+		value: 42,
+		writable: true
+	}, 'property descriptor is correct');
+};
diff --git a/node_modules/has-symbols/tsconfig.json b/node_modules/has-symbols/tsconfig.json
new file mode 100644
index 00000000..ba99af43
--- /dev/null
+++ b/node_modules/has-symbols/tsconfig.json
@@ -0,0 +1,10 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "ES2021",
+		"maxNodeModuleJsDepth": 0,
+	},
+	"exclude": [
+		"coverage"
+	]
+}
diff --git a/node_modules/has-value/LICENSE b/node_modules/has-value/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/has-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/has-value/README.md b/node_modules/has-value/README.md
new file mode 100644
index 00000000..f9b428c9
--- /dev/null
+++ b/node_modules/has-value/README.md
@@ -0,0 +1,149 @@
+# has-value [![NPM version](https://img.shields.io/npm/v/has-value.svg?style=flat)](https://www.npmjs.com/package/has-value) [![NPM monthly downloads](https://img.shields.io/npm/dm/has-value.svg?style=flat)](https://npmjs.org/package/has-value) [![NPM total downloads](https://img.shields.io/npm/dt/has-value.svg?style=flat)](https://npmjs.org/package/has-value) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/has-value.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/has-value)
+
+> Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save has-value
+```
+
+**Works for:**
+
+* booleans
+* functions
+* numbers
+* strings
+* nulls
+* object
+* arrays
+
+## Usage
+
+Works with property values (supports object-path notation, like `foo.bar`) or a single value:
+
+```js
+var hasValue = require('has-value');
+
+hasValue('foo');
+hasValue({foo: 'bar'}, 'foo');
+hasValue({a: {b: {c: 'foo'}}}, 'a.b.c');
+//=> true
+
+hasValue('');
+hasValue({foo: ''}, 'foo');
+//=> false
+
+hasValue(0);
+hasValue(1);
+hasValue({foo: 0}, 'foo');
+hasValue({foo: 1}, 'foo');
+hasValue({foo: null}, 'foo');
+hasValue({foo: {bar: 'a'}}}, 'foo');
+hasValue({foo: {bar: 'a'}}}, 'foo.bar');
+//=> true
+
+hasValue({foo: {}}}, 'foo');
+hasValue({foo: {bar: {}}}}, 'foo.bar');
+hasValue({foo: undefined}, 'foo');
+//=> false
+
+hasValue([]);
+hasValue([[]]);
+hasValue([[], []]);
+hasValue([undefined]);
+hasValue({foo: []}, 'foo');
+//=> false
+
+hasValue([0]);
+hasValue([null]);
+hasValue(['foo']);
+hasValue({foo: ['a']}, 'foo');
+//=> true
+
+hasValue(function() {})
+hasValue(function(foo) {})
+hasValue({foo: function(foo) {}}, 'foo'); 
+hasValue({foo: function() {}}, 'foo');
+//=> true
+
+hasValue(true);
+hasValue(false);
+hasValue({foo: true}, 'foo');
+hasValue({foo: false}, 'foo');
+//=> true
+```
+
+## isEmpty
+
+To do the opposite and test for empty values, do:
+
+```js
+function isEmpty(o) {
+  return !hasValue.apply(hasValue, arguments);
+}
+```
+
+## Release history
+
+### v1.0.0
+
+* `zero` always returns true
+* `array` now recurses, so that an array of empty arrays will return `false`
+* `null` now returns true
+
+## About
+
+### Related projects
+
+* [define-property](https://www.npmjs.com/package/define-property): Define a non-enumerable property on an object. | [homepage](https://github.com/jonschlinkert/define-property "Define a non-enumerable property on an object.")
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 17 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [rmharrison](https://github.com/rmharrison) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 19, 2017._
\ No newline at end of file
diff --git a/node_modules/has-value/index.js b/node_modules/has-value/index.js
new file mode 100644
index 00000000..c2374948
--- /dev/null
+++ b/node_modules/has-value/index.js
@@ -0,0 +1,16 @@
+/*!
+ * has-value <https://github.com/jonschlinkert/has-value>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+var hasValues = require('has-values');
+var get = require('get-value');
+
+module.exports = function(val, prop) {
+  return hasValues(isObject(val) && prop ? get(val, prop) : val);
+};
diff --git a/node_modules/has-value/package.json b/node_modules/has-value/package.json
new file mode 100644
index 00000000..e65d4380
--- /dev/null
+++ b/node_modules/has-value/package.json
@@ -0,0 +1,83 @@
+{
+  "name": "has-value",
+  "description": "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/has-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ryan M Harrison (https://linkedin.com/in/harrisonrm)"
+  ],
+  "repository": "jonschlinkert/has-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/has-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "get-value": "^2.0.6",
+    "has-values": "^1.0.0",
+    "isobject": "^3.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.4.1"
+  },
+  "keywords": [
+    "array",
+    "boolean",
+    "empty",
+    "find",
+    "function",
+    "has",
+    "hasOwn",
+    "javascript",
+    "js",
+    "key",
+    "keys",
+    "node.js",
+    "null",
+    "number",
+    "object",
+    "properties",
+    "property",
+    "string",
+    "type",
+    "util",
+    "utilities",
+    "utility",
+    "value"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "define-property",
+        "get-value",
+        "set-value",
+        "unset-value"
+      ]
+    },
+    "reflinks": [],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/has-values/LICENSE b/node_modules/has-values/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/has-values/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/has-values/README.md b/node_modules/has-values/README.md
new file mode 100644
index 00000000..98d4367a
--- /dev/null
+++ b/node_modules/has-values/README.md
@@ -0,0 +1,129 @@
+# has-values [![NPM version](https://img.shields.io/npm/v/has-values.svg?style=flat)](https://www.npmjs.com/package/has-values) [![NPM monthly downloads](https://img.shields.io/npm/dm/has-values.svg?style=flat)](https://npmjs.org/package/has-values) [![NPM total downloads](https://img.shields.io/npm/dt/has-values.svg?style=flat)](https://npmjs.org/package/has-values) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/has-values.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/has-values)
+
+> Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save has-values
+```
+
+## Usage
+
+```js
+var hasValue = require('has-values');
+
+hasValue('a');
+//=> true
+
+hasValue('');
+//=> false
+
+hasValue(1);
+//=> true
+
+hasValue(0);
+//=> false
+
+hasValue({a: 'a'}});
+//=> true
+
+hasValue({});
+hasValue({foo: undefined});
+//=> false
+
+hasValue({foo: null});
+//=> true
+
+hasValue(['a']);
+//=> true
+
+hasValue([]);
+hasValue([[], []]);
+hasValue([[[]]]);
+//=> false
+
+hasValue(['foo']);
+hasValue([0]);
+//=> true
+
+hasValue(function(foo) {}); 
+//=> true
+
+hasValue(function() {});
+//=> true
+
+hasValue(true);
+//=> true
+
+hasValue(false);
+//=> true
+```
+
+## isEmpty
+
+To test for empty values, do:
+
+```js
+function isEmpty(o, isZero) {
+  return !hasValue(o, isZero);
+}
+```
+
+## Release history
+
+### v1.0.0
+
+* `zero` always returns true
+* `array` now recurses, so that an array of empty arrays will return `false`
+* `null` now returns true
+
+## About
+
+### Related projects
+
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 19, 2017._
\ No newline at end of file
diff --git a/node_modules/has-values/index.js b/node_modules/has-values/index.js
new file mode 100644
index 00000000..9bebb9fc
--- /dev/null
+++ b/node_modules/has-values/index.js
@@ -0,0 +1,60 @@
+/*!
+ * has-values <https://github.com/jonschlinkert/has-values>
+ *
+ * Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var typeOf = require('kind-of');
+var isNumber = require('is-number');
+
+module.exports = function hasValue(val) {
+  // is-number checks for NaN and other edge cases
+  if (isNumber(val)) {
+    return true;
+  }
+
+  switch (typeOf(val)) {
+    case 'null':
+    case 'boolean':
+    case 'function':
+      return true;
+    case 'string':
+    case 'arguments':
+      return val.length !== 0;
+    case 'error':
+      return val.message !== '';
+    case 'array':
+      var len = val.length;
+      if (len === 0) {
+        return false;
+      }
+      for (var i = 0; i < len; i++) {
+        if (hasValue(val[i])) {
+          return true;
+        }
+      }
+      return false;
+    case 'file':
+    case 'map':
+    case 'set':
+      return val.size !== 0;
+    case 'object':
+      var keys = Object.keys(val);
+      if (keys.length === 0) {
+        return false;
+      }
+      for (var i = 0; i < keys.length; i++) {
+        var key = keys[i];
+        if (hasValue(val[key])) {
+          return true;
+        }
+      }
+      return false;
+    default: {
+      return false;
+    }
+  }
+};
diff --git a/node_modules/has-values/node_modules/kind-of/LICENSE b/node_modules/has-values/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/has-values/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/has-values/node_modules/kind-of/README.md b/node_modules/has-values/node_modules/kind-of/README.md
new file mode 100644
index 00000000..83469b0b
--- /dev/null
+++ b/node_modules/has-values/node_modules/kind-of/README.md
@@ -0,0 +1,267 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Usage
+
+> es5, browser and es6 ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Boolean(true));
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf(new Number(42));
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(new String('str'));
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([]);
+//=> 'array'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(new Array());
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'function'
+
+kindOf(new Function());
+//=> 'function'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `WeakSet`.
+
+```bash
+#1: array
+  current x 23,329,397 ops/sec ±0.82% (94 runs sampled)
+  lib-type-of x 4,170,273 ops/sec ±0.55% (94 runs sampled)
+  lib-typeof x 9,686,935 ops/sec ±0.59% (98 runs sampled)
+
+#2: boolean
+  current x 27,197,115 ops/sec ±0.85% (94 runs sampled)
+  lib-type-of x 3,145,791 ops/sec ±0.73% (97 runs sampled)
+  lib-typeof x 9,199,562 ops/sec ±0.44% (99 runs sampled)
+
+#3: date
+  current x 20,190,117 ops/sec ±0.86% (92 runs sampled)
+  lib-type-of x 5,166,970 ops/sec ±0.74% (94 runs sampled)
+  lib-typeof x 9,610,821 ops/sec ±0.50% (96 runs sampled)
+
+#4: function
+  current x 23,855,460 ops/sec ±0.60% (97 runs sampled)
+  lib-type-of x 5,667,740 ops/sec ±0.54% (100 runs sampled)
+  lib-typeof x 10,010,644 ops/sec ±0.44% (100 runs sampled)
+
+#5: null
+  current x 27,061,047 ops/sec ±0.97% (96 runs sampled)
+  lib-type-of x 13,965,573 ops/sec ±0.62% (97 runs sampled)
+  lib-typeof x 8,460,194 ops/sec ±0.61% (97 runs sampled)
+
+#6: number
+  current x 25,075,682 ops/sec ±0.53% (99 runs sampled)
+  lib-type-of x 2,266,405 ops/sec ±0.41% (98 runs sampled)
+  lib-typeof x 9,821,481 ops/sec ±0.45% (99 runs sampled)
+
+#7: object
+  current x 3,348,980 ops/sec ±0.49% (99 runs sampled)
+  lib-type-of x 3,245,138 ops/sec ±0.60% (94 runs sampled)
+  lib-typeof x 9,262,952 ops/sec ±0.59% (99 runs sampled)
+
+#8: regex
+  current x 21,284,827 ops/sec ±0.72% (96 runs sampled)
+  lib-type-of x 4,689,241 ops/sec ±0.43% (100 runs sampled)
+  lib-typeof x 8,957,593 ops/sec ±0.62% (98 runs sampled)
+
+#9: string
+  current x 25,379,234 ops/sec ±0.58% (96 runs sampled)
+  lib-type-of x 3,635,148 ops/sec ±0.76% (93 runs sampled)
+  lib-typeof x 9,494,134 ops/sec ±0.49% (98 runs sampled)
+
+#10: undef
+  current x 27,459,221 ops/sec ±1.01% (93 runs sampled)
+  lib-type-of x 14,360,433 ops/sec ±0.52% (99 runs sampled)
+  lib-typeof x 23,202,868 ops/sec ±0.59% (94 runs sampled)
+
+```
+
+## Release history
+
+### v4.0.0
+
+**Added**
+
+* `promise` support
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+
+## About
+
+### Related projects
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 64 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [miguelmota](https://github.com/miguelmota) |
+| 1 | [dtothefp](https://github.com/dtothefp) |
+| 1 | [ksheedlo](https://github.com/ksheedlo) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+| 1 | [laggingreflex](https://github.com/laggingreflex) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 19, 2017._
\ No newline at end of file
diff --git a/node_modules/has-values/node_modules/kind-of/index.js b/node_modules/has-values/node_modules/kind-of/index.js
new file mode 100644
index 00000000..4c0233bc
--- /dev/null
+++ b/node_modules/has-values/node_modules/kind-of/index.js
@@ -0,0 +1,119 @@
+var isBuffer = require('is-buffer');
+var toString = Object.prototype.toString;
+
+/**
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
+ */
+
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
+  }
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+  if (type === '[object Promise]') {
+    return 'promise';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};
diff --git a/node_modules/has-values/node_modules/kind-of/package.json b/node_modules/has-values/node_modules/kind-of/package.json
new file mode 100644
index 00000000..222afc0b
--- /dev/null
+++ b/node_modules/has-values/node_modules/kind-of/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "4.0.0",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "dependencies": {
+    "is-buffer": "^1.1.5"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "benchmarked": "^1.1.1",
+    "browserify": "^14.3.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.4.1",
+    "type-of": "^2.0.1",
+    "typeof": "^1.0.0"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/has-values/package.json b/node_modules/has-values/package.json
new file mode 100644
index 00000000..bdd841d9
--- /dev/null
+++ b/node_modules/has-values/package.json
@@ -0,0 +1,82 @@
+{
+  "name": "has-values",
+  "description": "Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays. ",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/has-values",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/has-values",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/has-values/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-number": "^3.0.0",
+    "kind-of": "^4.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.4.1"
+  },
+  "keywords": [
+    "array",
+    "boolean",
+    "empty",
+    "find",
+    "function",
+    "has",
+    "hasOwn",
+    "javascript",
+    "js",
+    "key",
+    "keys",
+    "node.js",
+    "null",
+    "number",
+    "object",
+    "properties",
+    "property",
+    "string",
+    "type",
+    "util",
+    "utilities",
+    "utility",
+    "value",
+    "values"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "has-value",
+        "kind-of",
+        "is-number",
+        "is-plain-object",
+        "isobject"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/hash-base/LICENSE b/node_modules/hash-base/LICENSE
new file mode 100644
index 00000000..6f02ae80
--- /dev/null
+++ b/node_modules/hash-base/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Kirill Fomichev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/hash-base/README.md b/node_modules/hash-base/README.md
new file mode 100644
index 00000000..d0025434
--- /dev/null
+++ b/node_modules/hash-base/README.md
@@ -0,0 +1,48 @@
+# hash-base
+
+[![npm Package](https://img.shields.io/npm/v/hash-base.svg?style=flat-square)](https://www.npmjs.org/package/hash-base)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/hash-base.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/hash-base)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/hash-base.svg?style=flat-square)](https://david-dm.org/crypto-browserify/hash-base#info=dependencies)
+
+Abstract base class to inherit from if you want to create streams implementing the same API as node crypto [Hash][1] (for [Cipher][2] / [Decipher][3] check [crypto-browserify/cipher-base][4]).
+
+## Example
+
+```js
+const HashBase = require('hash-base');
+const inherits = require('inherits');
+
+// our hash function is XOR sum of all bytes
+function MyHash () {
+	HashBase.call(this, 1); // in bytes
+
+	this._sum = 0x00;
+};
+
+inherits(MyHash, HashBase)
+
+MyHash.prototype._update = function () {
+	for (let i = 0; i < this._block.length; ++i) {
+		this._sum ^= this._block[i];
+	}
+};
+
+MyHash.prototype._digest = function () {
+	return this._sum;
+};
+
+const data = Buffer.from([0x00, 0x42, 0x01]);
+const hash = new MyHash().update(data).digest();
+console.log(hash); // => 67
+```
+You also can check [source code](index.js) or [crypto-browserify/md5.js][5]
+
+## LICENSE
+
+MIT
+
+[1]: https://nodejs.org/api/crypto.html#crypto_class_hash
+[2]: https://nodejs.org/api/crypto.html#crypto_class_cipher
+[3]: https://nodejs.org/api/crypto.html#crypto_class_decipher
+[4]: https://github.com/crypto-browserify/cipher-base
+[5]: https://github.com/crypto-browserify/md5.js
diff --git a/node_modules/hash-base/index.js b/node_modules/hash-base/index.js
new file mode 100644
index 00000000..c9036c6d
--- /dev/null
+++ b/node_modules/hash-base/index.js
@@ -0,0 +1,138 @@
+'use strict'
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var inherits = require('inherits')
+
+function HashBase (blockSize) {
+  Transform.call(this)
+
+  this._block = Buffer.allocUnsafe(blockSize)
+  this._blockSize = blockSize
+  this._blockOffset = 0
+  this._length = [0, 0, 0, 0]
+
+  this._finalized = false
+}
+
+inherits(HashBase, Transform)
+
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+  var error = null
+  try {
+    this.update(chunk, encoding)
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+HashBase.prototype._flush = function (callback) {
+  var error = null
+  try {
+    this.push(this.digest())
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+var useUint8Array = typeof Uint8Array !== 'undefined'
+var useArrayBuffer = typeof ArrayBuffer !== 'undefined' &&
+  typeof Uint8Array !== 'undefined' &&
+  ArrayBuffer.isView &&
+  (Buffer.prototype instanceof Uint8Array || Buffer.TYPED_ARRAY_SUPPORT)
+
+function toBuffer (data, encoding) {
+  // No need to do anything for exact instance
+  // This is only valid when safe-buffer.Buffer === buffer.Buffer, i.e. when Buffer.from/Buffer.alloc existed
+  if (data instanceof Buffer) return data
+
+  // Convert strings to Buffer
+  if (typeof data === 'string') return Buffer.from(data, encoding)
+
+  /*
+   * Wrap any TypedArray instances and DataViews
+   * Makes sense only on engines with full TypedArray support -- let Buffer detect that
+   */
+  if (useArrayBuffer && ArrayBuffer.isView(data)) {
+    if (data.byteLength === 0) return Buffer.alloc(0) // Bug in Node.js <6.3.1, which treats this as out-of-bounds
+    var res = Buffer.from(data.buffer, data.byteOffset, data.byteLength)
+    // Recheck result size, as offset/length doesn't work on Node.js <5.10
+    // We just go to Uint8Array case if this fails
+    if (res.byteLength === data.byteLength) return res
+  }
+
+  /*
+   * Uint8Array in engines where Buffer.from might not work with ArrayBuffer, just copy over
+   * Doesn't make sense with other TypedArray instances
+   */
+  if (useUint8Array && data instanceof Uint8Array) return Buffer.from(data)
+
+  /*
+   * Old Buffer polyfill on an engine that doesn't have TypedArray support
+   * Also, this is from a different Buffer polyfill implementation then we have, as instanceof check failed
+   * Convert to our current Buffer implementation
+   */
+  if (
+    Buffer.isBuffer(data) &&
+    data.constructor &&
+    typeof data.constructor.isBuffer === 'function' &&
+    data.constructor.isBuffer(data)
+  ) {
+    return Buffer.from(data)
+  }
+
+  throw new TypeError('The "data" argument must be of type string or an instance of Buffer, TypedArray, or DataView.')
+}
+
+HashBase.prototype.update = function (data, encoding) {
+  if (this._finalized) throw new Error('Digest already called')
+
+  data = toBuffer(data, encoding) // asserts correct input type
+
+  // consume data
+  var block = this._block
+  var offset = 0
+  while (this._blockOffset + data.length - offset >= this._blockSize) {
+    for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+    this._update()
+    this._blockOffset = 0
+  }
+  while (offset < data.length) block[this._blockOffset++] = data[offset++]
+
+  // update length
+  for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+    this._length[j] += carry
+    carry = (this._length[j] / 0x0100000000) | 0
+    if (carry > 0) this._length[j] -= 0x0100000000 * carry
+  }
+
+  return this
+}
+
+HashBase.prototype._update = function () {
+  throw new Error('_update is not implemented')
+}
+
+HashBase.prototype.digest = function (encoding) {
+  if (this._finalized) throw new Error('Digest already called')
+  this._finalized = true
+
+  var digest = this._digest()
+  if (encoding !== undefined) digest = digest.toString(encoding)
+
+  // reset state
+  this._block.fill(0)
+  this._blockOffset = 0
+  for (var i = 0; i < 4; ++i) this._length[i] = 0
+
+  return digest
+}
+
+HashBase.prototype._digest = function () {
+  throw new Error('_digest is not implemented')
+}
+
+module.exports = HashBase
diff --git a/node_modules/hash-base/package.json b/node_modules/hash-base/package.json
new file mode 100644
index 00000000..03ea9a81
--- /dev/null
+++ b/node_modules/hash-base/package.json
@@ -0,0 +1,42 @@
+{
+	"name": "hash-base",
+	"version": "3.0.5",
+	"description": "abstract base class for hash-streams",
+	"keywords": [
+		"hash",
+		"stream"
+	],
+	"homepage": "https://github.com/crypto-browserify/hash-base",
+	"bugs": {
+		"url": "https://github.com/crypto-browserify/hash-base/issues"
+	},
+	"license": "MIT",
+	"author": "Kirill Fomichev <fanatid@ya.ru> (https://github.com/fanatid)",
+	"files": [
+		"index.js"
+	],
+	"main": "index.js",
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/crypto-browserify/hash-base.git"
+	},
+	"scripts": {
+		"lint": "standard",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"posttest": "npx npm@'>=10.2' audit --production"
+	},
+	"dependencies": {
+		"inherits": "^2.0.4",
+		"safe-buffer": "^5.2.1"
+	},
+	"devDependencies": {
+		"nyc": "^10.3.2",
+		"standard": "^14.3.3",
+		"tape": "^5.9.0"
+	},
+	"engines": {
+		"node": ">= 0.10"
+	}
+}
diff --git a/node_modules/hash.js/.eslintrc.js b/node_modules/hash.js/.eslintrc.js
new file mode 100644
index 00000000..614f8fc4
--- /dev/null
+++ b/node_modules/hash.js/.eslintrc.js
@@ -0,0 +1,41 @@
+module.exports = {
+  'env': {
+    'browser': true,
+    'commonjs': true,
+    'node': true,
+    'es6': true
+  },
+  'parserOptions': {
+    'ecmaVersion': 8
+  },
+  'extends': 'eslint:recommended',
+  'rules': {
+    'indent': [
+      'error',
+      2,
+      {
+        'FunctionDeclaration': {
+          'parameters': 'first'
+        },
+        'FunctionExpression': {
+          'parameters': 'first'
+        },
+        'CallExpression': {
+          'arguments': 'first'
+        }
+      }
+    ],
+    'linebreak-style': [
+      'error',
+      'unix'
+    ],
+    'quotes': [
+      'error',
+      'single'
+    ],
+    'semi': [
+      'error',
+      'always'
+    ]
+  }
+};
diff --git a/node_modules/hash.js/.travis.yml b/node_modules/hash.js/.travis.yml
new file mode 100644
index 00000000..5406edc0
--- /dev/null
+++ b/node_modules/hash.js/.travis.yml
@@ -0,0 +1,10 @@
+sudo: false
+language: node_js
+node_js:
+  - "6"
+  - "8"
+  - "10"
+  - "stable"
+branches:
+  only:
+    - master
diff --git a/node_modules/hash.js/README.md b/node_modules/hash.js/README.md
new file mode 100644
index 00000000..006d3bbf
--- /dev/null
+++ b/node_modules/hash.js/README.md
@@ -0,0 +1,48 @@
+# hash.js [![Build Status](https://secure.travis-ci.org/indutny/hash.js.svg)](http://travis-ci.org/indutny/hash.js)
+
+Just a bike-shed.
+
+## Install
+
+```sh
+npm install hash.js
+```
+
+## Usage
+
+```js
+var hash = require('hash.js')
+hash.sha256().update('abc').digest('hex')
+```
+
+## Selective hash usage
+
+```js
+var sha512 = require('hash.js/lib/hash/sha/512');
+sha512().update('abc').digest('hex');
+```
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2014.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/hash.js/lib/hash.d.ts b/node_modules/hash.js/lib/hash.d.ts
new file mode 100644
index 00000000..abbb5c53
--- /dev/null
+++ b/node_modules/hash.js/lib/hash.d.ts
@@ -0,0 +1,106 @@
+declare var hash: Hash;
+
+declare module "hash.js" {
+    export = hash;
+}
+
+interface BlockHash<T> {
+    hmacStrength: number
+    padLength: number
+    endian: 'big' | 'little'
+}
+
+interface MessageDigest<T> {
+    blockSize: number
+    outSize: number
+    update(msg: any, enc?: 'hex'): T
+    digest(): number[]
+    digest(enc: 'hex'): string
+}
+
+interface Hash {
+    hmac: HmacConstructor
+    ripemd: RipemdSet
+    ripemd160: Ripemd160Constructor
+    sha: ShaSet
+    sha1: Sha1Constructor
+    sha224: Sha224Constructor
+    sha256: Sha256Constructor
+    sha384: Sha384Constructor
+    sha512: Sha512Constructor
+    utils: Utils
+}
+
+interface Utils {
+    toArray(msg: any, enc: 'hex'): Array<number>
+    toHex(msg: any): string
+}
+
+interface RipemdSet {
+    ripemd160: Ripemd160Constructor
+}
+
+interface ShaSet {
+    sha1: Sha1Constructor
+    sha224: Sha224Constructor
+    sha256: Sha256Constructor
+    sha384: Sha384Constructor
+    sha512: Sha512Constructor
+}
+
+interface HmacConstructor { (hash: BlockHash<any>, key: any, enc?: 'hex'): Hmac }
+interface Ripemd160Constructor { (): Ripemd160 }
+interface Sha1Constructor { (): Sha1; }
+interface Sha224Constructor { (): Sha224; }
+interface Sha256Constructor { (): Sha256; }
+interface Sha384Constructor { (): Sha384; }
+interface Sha512Constructor { (): Sha512; }
+
+interface Hmac extends MessageDigest<Hmac> {
+    blockSize: 512
+    outSize: 160
+}
+
+interface Ripemd160 extends BlockHash<Ripemd160>, MessageDigest<Ripemd160> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 160
+    padLength: 64
+    endian: 'little'
+}
+
+interface Sha1 extends BlockHash<Sha1>, MessageDigest<Sha1> {
+    blockSize: 512
+    hmacStrength: 80
+    outSize: 160
+    padLength: 64
+    endian: 'big'
+}
+interface Sha224 extends BlockHash<Sha224>, MessageDigest<Sha224> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 224
+    padLength: 64
+    endian: 'big'
+}
+interface Sha256 extends BlockHash<Sha256>, MessageDigest<Sha256> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 256
+    padLength: 64
+    endian: 'big'
+}
+interface Sha384 extends BlockHash<Sha384>, MessageDigest<Sha384> {
+    blockSize: 1024
+    hmacStrength: 192
+    outSize: 384
+    padLength: 128
+    endian: 'big'
+}
+interface Sha512 extends BlockHash<Sha512>, MessageDigest<Sha512> {
+    blockSize: 1024
+    hmacStrength: 192
+    outSize: 512
+    padLength: 128
+    endian: 'big'
+}
diff --git a/node_modules/hash.js/lib/hash.js b/node_modules/hash.js/lib/hash.js
new file mode 100644
index 00000000..f59b6730
--- /dev/null
+++ b/node_modules/hash.js/lib/hash.js
@@ -0,0 +1,15 @@
+var hash = exports;
+
+hash.utils = require('./hash/utils');
+hash.common = require('./hash/common');
+hash.sha = require('./hash/sha');
+hash.ripemd = require('./hash/ripemd');
+hash.hmac = require('./hash/hmac');
+
+// Proxy hash functions to the main object
+hash.sha1 = hash.sha.sha1;
+hash.sha256 = hash.sha.sha256;
+hash.sha224 = hash.sha.sha224;
+hash.sha384 = hash.sha.sha384;
+hash.sha512 = hash.sha.sha512;
+hash.ripemd160 = hash.ripemd.ripemd160;
diff --git a/node_modules/hash.js/lib/hash/common.js b/node_modules/hash.js/lib/hash/common.js
new file mode 100644
index 00000000..c49f4763
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/common.js
@@ -0,0 +1,92 @@
+'use strict';
+
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
+
+function BlockHash() {
+  this.pending = null;
+  this.pendingTotal = 0;
+  this.blockSize = this.constructor.blockSize;
+  this.outSize = this.constructor.outSize;
+  this.hmacStrength = this.constructor.hmacStrength;
+  this.padLength = this.constructor.padLength / 8;
+  this.endian = 'big';
+
+  this._delta8 = this.blockSize / 8;
+  this._delta32 = this.blockSize / 32;
+}
+exports.BlockHash = BlockHash;
+
+BlockHash.prototype.update = function update(msg, enc) {
+  // Convert message to array, pad it, and join into 32bit blocks
+  msg = utils.toArray(msg, enc);
+  if (!this.pending)
+    this.pending = msg;
+  else
+    this.pending = this.pending.concat(msg);
+  this.pendingTotal += msg.length;
+
+  // Enough data, try updating
+  if (this.pending.length >= this._delta8) {
+    msg = this.pending;
+
+    // Process pending data in blocks
+    var r = msg.length % this._delta8;
+    this.pending = msg.slice(msg.length - r, msg.length);
+    if (this.pending.length === 0)
+      this.pending = null;
+
+    msg = utils.join32(msg, 0, msg.length - r, this.endian);
+    for (var i = 0; i < msg.length; i += this._delta32)
+      this._update(msg, i, i + this._delta32);
+  }
+
+  return this;
+};
+
+BlockHash.prototype.digest = function digest(enc) {
+  this.update(this._pad());
+  assert(this.pending === null);
+
+  return this._digest(enc);
+};
+
+BlockHash.prototype._pad = function pad() {
+  var len = this.pendingTotal;
+  var bytes = this._delta8;
+  var k = bytes - ((len + this.padLength) % bytes);
+  var res = new Array(k + this.padLength);
+  res[0] = 0x80;
+  for (var i = 1; i < k; i++)
+    res[i] = 0;
+
+  // Append length
+  len <<= 3;
+  if (this.endian === 'big') {
+    for (var t = 8; t < this.padLength; t++)
+      res[i++] = 0;
+
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = (len >>> 24) & 0xff;
+    res[i++] = (len >>> 16) & 0xff;
+    res[i++] = (len >>> 8) & 0xff;
+    res[i++] = len & 0xff;
+  } else {
+    res[i++] = len & 0xff;
+    res[i++] = (len >>> 8) & 0xff;
+    res[i++] = (len >>> 16) & 0xff;
+    res[i++] = (len >>> 24) & 0xff;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+
+    for (t = 8; t < this.padLength; t++)
+      res[i++] = 0;
+  }
+
+  return res;
+};
diff --git a/node_modules/hash.js/lib/hash/hmac.js b/node_modules/hash.js/lib/hash/hmac.js
new file mode 100644
index 00000000..faff12d3
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/hmac.js
@@ -0,0 +1,47 @@
+'use strict';
+
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
+
+function Hmac(hash, key, enc) {
+  if (!(this instanceof Hmac))
+    return new Hmac(hash, key, enc);
+  this.Hash = hash;
+  this.blockSize = hash.blockSize / 8;
+  this.outSize = hash.outSize / 8;
+  this.inner = null;
+  this.outer = null;
+
+  this._init(utils.toArray(key, enc));
+}
+module.exports = Hmac;
+
+Hmac.prototype._init = function init(key) {
+  // Shorten key, if needed
+  if (key.length > this.blockSize)
+    key = new this.Hash().update(key).digest();
+  assert(key.length <= this.blockSize);
+
+  // Add padding to key
+  for (var i = key.length; i < this.blockSize; i++)
+    key.push(0);
+
+  for (i = 0; i < key.length; i++)
+    key[i] ^= 0x36;
+  this.inner = new this.Hash().update(key);
+
+  // 0x36 ^ 0x5c = 0x6a
+  for (i = 0; i < key.length; i++)
+    key[i] ^= 0x6a;
+  this.outer = new this.Hash().update(key);
+};
+
+Hmac.prototype.update = function update(msg, enc) {
+  this.inner.update(msg, enc);
+  return this;
+};
+
+Hmac.prototype.digest = function digest(enc) {
+  this.outer.update(this.inner.digest());
+  return this.outer.digest(enc);
+};
diff --git a/node_modules/hash.js/lib/hash/ripemd.js b/node_modules/hash.js/lib/hash/ripemd.js
new file mode 100644
index 00000000..2dcdff27
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/ripemd.js
@@ -0,0 +1,146 @@
+'use strict';
+
+var utils = require('./utils');
+var common = require('./common');
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_3 = utils.sum32_3;
+var sum32_4 = utils.sum32_4;
+var BlockHash = common.BlockHash;
+
+function RIPEMD160() {
+  if (!(this instanceof RIPEMD160))
+    return new RIPEMD160();
+
+  BlockHash.call(this);
+
+  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
+  this.endian = 'little';
+}
+utils.inherits(RIPEMD160, BlockHash);
+exports.ripemd160 = RIPEMD160;
+
+RIPEMD160.blockSize = 512;
+RIPEMD160.outSize = 160;
+RIPEMD160.hmacStrength = 192;
+RIPEMD160.padLength = 64;
+
+RIPEMD160.prototype._update = function update(msg, start) {
+  var A = this.h[0];
+  var B = this.h[1];
+  var C = this.h[2];
+  var D = this.h[3];
+  var E = this.h[4];
+  var Ah = A;
+  var Bh = B;
+  var Ch = C;
+  var Dh = D;
+  var Eh = E;
+  for (var j = 0; j < 80; j++) {
+    var T = sum32(
+      rotl32(
+        sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
+        s[j]),
+      E);
+    A = E;
+    E = D;
+    D = rotl32(C, 10);
+    C = B;
+    B = T;
+    T = sum32(
+      rotl32(
+        sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
+        sh[j]),
+      Eh);
+    Ah = Eh;
+    Eh = Dh;
+    Dh = rotl32(Ch, 10);
+    Ch = Bh;
+    Bh = T;
+  }
+  T = sum32_3(this.h[1], C, Dh);
+  this.h[1] = sum32_3(this.h[2], D, Eh);
+  this.h[2] = sum32_3(this.h[3], E, Ah);
+  this.h[3] = sum32_3(this.h[4], A, Bh);
+  this.h[4] = sum32_3(this.h[0], B, Ch);
+  this.h[0] = T;
+};
+
+RIPEMD160.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'little');
+  else
+    return utils.split32(this.h, 'little');
+};
+
+function f(j, x, y, z) {
+  if (j <= 15)
+    return x ^ y ^ z;
+  else if (j <= 31)
+    return (x & y) | ((~x) & z);
+  else if (j <= 47)
+    return (x | (~y)) ^ z;
+  else if (j <= 63)
+    return (x & z) | (y & (~z));
+  else
+    return x ^ (y | (~z));
+}
+
+function K(j) {
+  if (j <= 15)
+    return 0x00000000;
+  else if (j <= 31)
+    return 0x5a827999;
+  else if (j <= 47)
+    return 0x6ed9eba1;
+  else if (j <= 63)
+    return 0x8f1bbcdc;
+  else
+    return 0xa953fd4e;
+}
+
+function Kh(j) {
+  if (j <= 15)
+    return 0x50a28be6;
+  else if (j <= 31)
+    return 0x5c4dd124;
+  else if (j <= 47)
+    return 0x6d703ef3;
+  else if (j <= 63)
+    return 0x7a6d76e9;
+  else
+    return 0x00000000;
+}
+
+var r = [
+  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+];
+
+var rh = [
+  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+];
+
+var s = [
+  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+];
+
+var sh = [
+  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+];
diff --git a/node_modules/hash.js/lib/hash/sha.js b/node_modules/hash.js/lib/hash/sha.js
new file mode 100644
index 00000000..f34a38d7
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha.js
@@ -0,0 +1,7 @@
+'use strict';
+
+exports.sha1 = require('./sha/1');
+exports.sha224 = require('./sha/224');
+exports.sha256 = require('./sha/256');
+exports.sha384 = require('./sha/384');
+exports.sha512 = require('./sha/512');
diff --git a/node_modules/hash.js/lib/hash/sha/1.js b/node_modules/hash.js/lib/hash/sha/1.js
new file mode 100644
index 00000000..fcdfa294
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/1.js
@@ -0,0 +1,74 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_5 = utils.sum32_5;
+var ft_1 = shaCommon.ft_1;
+var BlockHash = common.BlockHash;
+
+var sha1_K = [
+  0x5A827999, 0x6ED9EBA1,
+  0x8F1BBCDC, 0xCA62C1D6
+];
+
+function SHA1() {
+  if (!(this instanceof SHA1))
+    return new SHA1();
+
+  BlockHash.call(this);
+  this.h = [
+    0x67452301, 0xefcdab89, 0x98badcfe,
+    0x10325476, 0xc3d2e1f0 ];
+  this.W = new Array(80);
+}
+
+utils.inherits(SHA1, BlockHash);
+module.exports = SHA1;
+
+SHA1.blockSize = 512;
+SHA1.outSize = 160;
+SHA1.hmacStrength = 80;
+SHA1.padLength = 64;
+
+SHA1.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+
+  for(; i < W.length; i++)
+    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+
+  for (i = 0; i < W.length; i++) {
+    var s = ~~(i / 20);
+    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
+    e = d;
+    d = c;
+    c = rotl32(b, 30);
+    b = a;
+    a = t;
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+};
+
+SHA1.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/224.js b/node_modules/hash.js/lib/hash/sha/224.js
new file mode 100644
index 00000000..c69882db
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/224.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var utils = require('../utils');
+var SHA256 = require('./256');
+
+function SHA224() {
+  if (!(this instanceof SHA224))
+    return new SHA224();
+
+  SHA256.call(this);
+  this.h = [
+    0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+    0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
+}
+utils.inherits(SHA224, SHA256);
+module.exports = SHA224;
+
+SHA224.blockSize = 512;
+SHA224.outSize = 224;
+SHA224.hmacStrength = 192;
+SHA224.padLength = 64;
+
+SHA224.prototype._digest = function digest(enc) {
+  // Just truncate output
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 7), 'big');
+  else
+    return utils.split32(this.h.slice(0, 7), 'big');
+};
+
diff --git a/node_modules/hash.js/lib/hash/sha/256.js b/node_modules/hash.js/lib/hash/sha/256.js
new file mode 100644
index 00000000..6dbd6a0c
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/256.js
@@ -0,0 +1,105 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+var assert = require('minimalistic-assert');
+
+var sum32 = utils.sum32;
+var sum32_4 = utils.sum32_4;
+var sum32_5 = utils.sum32_5;
+var ch32 = shaCommon.ch32;
+var maj32 = shaCommon.maj32;
+var s0_256 = shaCommon.s0_256;
+var s1_256 = shaCommon.s1_256;
+var g0_256 = shaCommon.g0_256;
+var g1_256 = shaCommon.g1_256;
+
+var BlockHash = common.BlockHash;
+
+var sha256_K = [
+  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+];
+
+function SHA256() {
+  if (!(this instanceof SHA256))
+    return new SHA256();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+  ];
+  this.k = sha256_K;
+  this.W = new Array(64);
+}
+utils.inherits(SHA256, BlockHash);
+module.exports = SHA256;
+
+SHA256.blockSize = 512;
+SHA256.outSize = 256;
+SHA256.hmacStrength = 192;
+SHA256.padLength = 64;
+
+SHA256.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i++)
+    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+  var f = this.h[5];
+  var g = this.h[6];
+  var h = this.h[7];
+
+  assert(this.k.length === W.length);
+  for (i = 0; i < W.length; i++) {
+    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
+    var T2 = sum32(s0_256(a), maj32(a, b, c));
+    h = g;
+    g = f;
+    f = e;
+    e = sum32(d, T1);
+    d = c;
+    c = b;
+    b = a;
+    a = sum32(T1, T2);
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+  this.h[5] = sum32(this.h[5], f);
+  this.h[6] = sum32(this.h[6], g);
+  this.h[7] = sum32(this.h[7], h);
+};
+
+SHA256.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/384.js b/node_modules/hash.js/lib/hash/sha/384.js
new file mode 100644
index 00000000..01df2560
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/384.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var utils = require('../utils');
+
+var SHA512 = require('./512');
+
+function SHA384() {
+  if (!(this instanceof SHA384))
+    return new SHA384();
+
+  SHA512.call(this);
+  this.h = [
+    0xcbbb9d5d, 0xc1059ed8,
+    0x629a292a, 0x367cd507,
+    0x9159015a, 0x3070dd17,
+    0x152fecd8, 0xf70e5939,
+    0x67332667, 0xffc00b31,
+    0x8eb44a87, 0x68581511,
+    0xdb0c2e0d, 0x64f98fa7,
+    0x47b5481d, 0xbefa4fa4 ];
+}
+utils.inherits(SHA384, SHA512);
+module.exports = SHA384;
+
+SHA384.blockSize = 1024;
+SHA384.outSize = 384;
+SHA384.hmacStrength = 192;
+SHA384.padLength = 128;
+
+SHA384.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 12), 'big');
+  else
+    return utils.split32(this.h.slice(0, 12), 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/512.js b/node_modules/hash.js/lib/hash/sha/512.js
new file mode 100644
index 00000000..c371a259
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/512.js
@@ -0,0 +1,330 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var assert = require('minimalistic-assert');
+
+var rotr64_hi = utils.rotr64_hi;
+var rotr64_lo = utils.rotr64_lo;
+var shr64_hi = utils.shr64_hi;
+var shr64_lo = utils.shr64_lo;
+var sum64 = utils.sum64;
+var sum64_hi = utils.sum64_hi;
+var sum64_lo = utils.sum64_lo;
+var sum64_4_hi = utils.sum64_4_hi;
+var sum64_4_lo = utils.sum64_4_lo;
+var sum64_5_hi = utils.sum64_5_hi;
+var sum64_5_lo = utils.sum64_5_lo;
+
+var BlockHash = common.BlockHash;
+
+var sha512_K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+
+function SHA512() {
+  if (!(this instanceof SHA512))
+    return new SHA512();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xf3bcc908,
+    0xbb67ae85, 0x84caa73b,
+    0x3c6ef372, 0xfe94f82b,
+    0xa54ff53a, 0x5f1d36f1,
+    0x510e527f, 0xade682d1,
+    0x9b05688c, 0x2b3e6c1f,
+    0x1f83d9ab, 0xfb41bd6b,
+    0x5be0cd19, 0x137e2179 ];
+  this.k = sha512_K;
+  this.W = new Array(160);
+}
+utils.inherits(SHA512, BlockHash);
+module.exports = SHA512;
+
+SHA512.blockSize = 1024;
+SHA512.outSize = 512;
+SHA512.hmacStrength = 192;
+SHA512.padLength = 128;
+
+SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
+  var W = this.W;
+
+  // 32 x 32bit words
+  for (var i = 0; i < 32; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i += 2) {
+    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
+    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
+    var c1_hi = W[i - 14];  // i - 7
+    var c1_lo = W[i - 13];
+    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
+    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
+    var c3_hi = W[i - 32];  // i - 16
+    var c3_lo = W[i - 31];
+
+    W[i] = sum64_4_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+    W[i + 1] = sum64_4_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+  }
+};
+
+SHA512.prototype._update = function _update(msg, start) {
+  this._prepareBlock(msg, start);
+
+  var W = this.W;
+
+  var ah = this.h[0];
+  var al = this.h[1];
+  var bh = this.h[2];
+  var bl = this.h[3];
+  var ch = this.h[4];
+  var cl = this.h[5];
+  var dh = this.h[6];
+  var dl = this.h[7];
+  var eh = this.h[8];
+  var el = this.h[9];
+  var fh = this.h[10];
+  var fl = this.h[11];
+  var gh = this.h[12];
+  var gl = this.h[13];
+  var hh = this.h[14];
+  var hl = this.h[15];
+
+  assert(this.k.length === W.length);
+  for (var i = 0; i < W.length; i += 2) {
+    var c0_hi = hh;
+    var c0_lo = hl;
+    var c1_hi = s1_512_hi(eh, el);
+    var c1_lo = s1_512_lo(eh, el);
+    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
+    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
+    var c3_hi = this.k[i];
+    var c3_lo = this.k[i + 1];
+    var c4_hi = W[i];
+    var c4_lo = W[i + 1];
+
+    var T1_hi = sum64_5_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+    var T1_lo = sum64_5_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+
+    c0_hi = s0_512_hi(ah, al);
+    c0_lo = s0_512_lo(ah, al);
+    c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
+    c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
+
+    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
+    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
+
+    hh = gh;
+    hl = gl;
+
+    gh = fh;
+    gl = fl;
+
+    fh = eh;
+    fl = el;
+
+    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
+    el = sum64_lo(dl, dl, T1_hi, T1_lo);
+
+    dh = ch;
+    dl = cl;
+
+    ch = bh;
+    cl = bl;
+
+    bh = ah;
+    bl = al;
+
+    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
+    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
+  }
+
+  sum64(this.h, 0, ah, al);
+  sum64(this.h, 2, bh, bl);
+  sum64(this.h, 4, ch, cl);
+  sum64(this.h, 6, dh, dl);
+  sum64(this.h, 8, eh, el);
+  sum64(this.h, 10, fh, fl);
+  sum64(this.h, 12, gh, gl);
+  sum64(this.h, 14, hh, hl);
+};
+
+SHA512.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
+
+function ch64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ ((~xh) & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function ch64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ ((~xl) & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 28);
+  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
+  var c2_hi = rotr64_hi(xl, xh, 7);  // 39
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 28);
+  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
+  var c2_lo = rotr64_lo(xl, xh, 7);  // 39
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 14);
+  var c1_hi = rotr64_hi(xh, xl, 18);
+  var c2_hi = rotr64_hi(xl, xh, 9);  // 41
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 14);
+  var c1_lo = rotr64_lo(xh, xl, 18);
+  var c2_lo = rotr64_lo(xl, xh, 9);  // 41
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 1);
+  var c1_hi = rotr64_hi(xh, xl, 8);
+  var c2_hi = shr64_hi(xh, xl, 7);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 1);
+  var c1_lo = rotr64_lo(xh, xl, 8);
+  var c2_lo = shr64_lo(xh, xl, 7);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 19);
+  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
+  var c2_hi = shr64_hi(xh, xl, 6);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 19);
+  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
+  var c2_lo = shr64_lo(xh, xl, 6);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
diff --git a/node_modules/hash.js/lib/hash/sha/common.js b/node_modules/hash.js/lib/hash/sha/common.js
new file mode 100644
index 00000000..d41b4643
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/common.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var utils = require('../utils');
+var rotr32 = utils.rotr32;
+
+function ft_1(s, x, y, z) {
+  if (s === 0)
+    return ch32(x, y, z);
+  if (s === 1 || s === 3)
+    return p32(x, y, z);
+  if (s === 2)
+    return maj32(x, y, z);
+}
+exports.ft_1 = ft_1;
+
+function ch32(x, y, z) {
+  return (x & y) ^ ((~x) & z);
+}
+exports.ch32 = ch32;
+
+function maj32(x, y, z) {
+  return (x & y) ^ (x & z) ^ (y & z);
+}
+exports.maj32 = maj32;
+
+function p32(x, y, z) {
+  return x ^ y ^ z;
+}
+exports.p32 = p32;
+
+function s0_256(x) {
+  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
+}
+exports.s0_256 = s0_256;
+
+function s1_256(x) {
+  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
+}
+exports.s1_256 = s1_256;
+
+function g0_256(x) {
+  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
+}
+exports.g0_256 = g0_256;
+
+function g1_256(x) {
+  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
+}
+exports.g1_256 = g1_256;
diff --git a/node_modules/hash.js/lib/hash/utils.js b/node_modules/hash.js/lib/hash/utils.js
new file mode 100644
index 00000000..7487f8e3
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/utils.js
@@ -0,0 +1,278 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+exports.inherits = inherits;
+
+function isSurrogatePair(msg, i) {
+  if ((msg.charCodeAt(i) & 0xFC00) !== 0xD800) {
+    return false;
+  }
+  if (i < 0 || i + 1 >= msg.length) {
+    return false;
+  }
+  return (msg.charCodeAt(i + 1) & 0xFC00) === 0xDC00;
+}
+
+function toArray(msg, enc) {
+  if (Array.isArray(msg))
+    return msg.slice();
+  if (!msg)
+    return [];
+  var res = [];
+  if (typeof msg === 'string') {
+    if (!enc) {
+      // Inspired by stringToUtf8ByteArray() in closure-library by Google
+      // https://github.com/google/closure-library/blob/8598d87242af59aac233270742c8984e2b2bdbe0/closure/goog/crypt/crypt.js#L117-L143
+      // Apache License 2.0
+      // https://github.com/google/closure-library/blob/master/LICENSE
+      var p = 0;
+      for (var i = 0; i < msg.length; i++) {
+        var c = msg.charCodeAt(i);
+        if (c < 128) {
+          res[p++] = c;
+        } else if (c < 2048) {
+          res[p++] = (c >> 6) | 192;
+          res[p++] = (c & 63) | 128;
+        } else if (isSurrogatePair(msg, i)) {
+          c = 0x10000 + ((c & 0x03FF) << 10) + (msg.charCodeAt(++i) & 0x03FF);
+          res[p++] = (c >> 18) | 240;
+          res[p++] = ((c >> 12) & 63) | 128;
+          res[p++] = ((c >> 6) & 63) | 128;
+          res[p++] = (c & 63) | 128;
+        } else {
+          res[p++] = (c >> 12) | 224;
+          res[p++] = ((c >> 6) & 63) | 128;
+          res[p++] = (c & 63) | 128;
+        }
+      }
+    } else if (enc === 'hex') {
+      msg = msg.replace(/[^a-z0-9]+/ig, '');
+      if (msg.length % 2 !== 0)
+        msg = '0' + msg;
+      for (i = 0; i < msg.length; i += 2)
+        res.push(parseInt(msg[i] + msg[i + 1], 16));
+    }
+  } else {
+    for (i = 0; i < msg.length; i++)
+      res[i] = msg[i] | 0;
+  }
+  return res;
+}
+exports.toArray = toArray;
+
+function toHex(msg) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++)
+    res += zero2(msg[i].toString(16));
+  return res;
+}
+exports.toHex = toHex;
+
+function htonl(w) {
+  var res = (w >>> 24) |
+            ((w >>> 8) & 0xff00) |
+            ((w << 8) & 0xff0000) |
+            ((w & 0xff) << 24);
+  return res >>> 0;
+}
+exports.htonl = htonl;
+
+function toHex32(msg, endian) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++) {
+    var w = msg[i];
+    if (endian === 'little')
+      w = htonl(w);
+    res += zero8(w.toString(16));
+  }
+  return res;
+}
+exports.toHex32 = toHex32;
+
+function zero2(word) {
+  if (word.length === 1)
+    return '0' + word;
+  else
+    return word;
+}
+exports.zero2 = zero2;
+
+function zero8(word) {
+  if (word.length === 7)
+    return '0' + word;
+  else if (word.length === 6)
+    return '00' + word;
+  else if (word.length === 5)
+    return '000' + word;
+  else if (word.length === 4)
+    return '0000' + word;
+  else if (word.length === 3)
+    return '00000' + word;
+  else if (word.length === 2)
+    return '000000' + word;
+  else if (word.length === 1)
+    return '0000000' + word;
+  else
+    return word;
+}
+exports.zero8 = zero8;
+
+function join32(msg, start, end, endian) {
+  var len = end - start;
+  assert(len % 4 === 0);
+  var res = new Array(len / 4);
+  for (var i = 0, k = start; i < res.length; i++, k += 4) {
+    var w;
+    if (endian === 'big')
+      w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
+    else
+      w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
+    res[i] = w >>> 0;
+  }
+  return res;
+}
+exports.join32 = join32;
+
+function split32(msg, endian) {
+  var res = new Array(msg.length * 4);
+  for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
+    var m = msg[i];
+    if (endian === 'big') {
+      res[k] = m >>> 24;
+      res[k + 1] = (m >>> 16) & 0xff;
+      res[k + 2] = (m >>> 8) & 0xff;
+      res[k + 3] = m & 0xff;
+    } else {
+      res[k + 3] = m >>> 24;
+      res[k + 2] = (m >>> 16) & 0xff;
+      res[k + 1] = (m >>> 8) & 0xff;
+      res[k] = m & 0xff;
+    }
+  }
+  return res;
+}
+exports.split32 = split32;
+
+function rotr32(w, b) {
+  return (w >>> b) | (w << (32 - b));
+}
+exports.rotr32 = rotr32;
+
+function rotl32(w, b) {
+  return (w << b) | (w >>> (32 - b));
+}
+exports.rotl32 = rotl32;
+
+function sum32(a, b) {
+  return (a + b) >>> 0;
+}
+exports.sum32 = sum32;
+
+function sum32_3(a, b, c) {
+  return (a + b + c) >>> 0;
+}
+exports.sum32_3 = sum32_3;
+
+function sum32_4(a, b, c, d) {
+  return (a + b + c + d) >>> 0;
+}
+exports.sum32_4 = sum32_4;
+
+function sum32_5(a, b, c, d, e) {
+  return (a + b + c + d + e) >>> 0;
+}
+exports.sum32_5 = sum32_5;
+
+function sum64(buf, pos, ah, al) {
+  var bh = buf[pos];
+  var bl = buf[pos + 1];
+
+  var lo = (al + bl) >>> 0;
+  var hi = (lo < al ? 1 : 0) + ah + bh;
+  buf[pos] = hi >>> 0;
+  buf[pos + 1] = lo;
+}
+exports.sum64 = sum64;
+
+function sum64_hi(ah, al, bh, bl) {
+  var lo = (al + bl) >>> 0;
+  var hi = (lo < al ? 1 : 0) + ah + bh;
+  return hi >>> 0;
+}
+exports.sum64_hi = sum64_hi;
+
+function sum64_lo(ah, al, bh, bl) {
+  var lo = al + bl;
+  return lo >>> 0;
+}
+exports.sum64_lo = sum64_lo;
+
+function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
+  var carry = 0;
+  var lo = al;
+  lo = (lo + bl) >>> 0;
+  carry += lo < al ? 1 : 0;
+  lo = (lo + cl) >>> 0;
+  carry += lo < cl ? 1 : 0;
+  lo = (lo + dl) >>> 0;
+  carry += lo < dl ? 1 : 0;
+
+  var hi = ah + bh + ch + dh + carry;
+  return hi >>> 0;
+}
+exports.sum64_4_hi = sum64_4_hi;
+
+function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
+  var lo = al + bl + cl + dl;
+  return lo >>> 0;
+}
+exports.sum64_4_lo = sum64_4_lo;
+
+function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+  var carry = 0;
+  var lo = al;
+  lo = (lo + bl) >>> 0;
+  carry += lo < al ? 1 : 0;
+  lo = (lo + cl) >>> 0;
+  carry += lo < cl ? 1 : 0;
+  lo = (lo + dl) >>> 0;
+  carry += lo < dl ? 1 : 0;
+  lo = (lo + el) >>> 0;
+  carry += lo < el ? 1 : 0;
+
+  var hi = ah + bh + ch + dh + eh + carry;
+  return hi >>> 0;
+}
+exports.sum64_5_hi = sum64_5_hi;
+
+function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+  var lo = al + bl + cl + dl + el;
+
+  return lo >>> 0;
+}
+exports.sum64_5_lo = sum64_5_lo;
+
+function rotr64_hi(ah, al, num) {
+  var r = (al << (32 - num)) | (ah >>> num);
+  return r >>> 0;
+}
+exports.rotr64_hi = rotr64_hi;
+
+function rotr64_lo(ah, al, num) {
+  var r = (ah << (32 - num)) | (al >>> num);
+  return r >>> 0;
+}
+exports.rotr64_lo = rotr64_lo;
+
+function shr64_hi(ah, al, num) {
+  return ah >>> num;
+}
+exports.shr64_hi = shr64_hi;
+
+function shr64_lo(ah, al, num) {
+  var r = (ah << (32 - num)) | (al >>> num);
+  return r >>> 0;
+}
+exports.shr64_lo = shr64_lo;
diff --git a/node_modules/hash.js/package.json b/node_modules/hash.js/package.json
new file mode 100644
index 00000000..c1a338a4
--- /dev/null
+++ b/node_modules/hash.js/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "hash.js",
+  "version": "1.1.7",
+  "description": "Various hash functions that could be run by both browser and node",
+  "main": "lib/hash.js",
+  "typings": "lib/hash.d.ts",
+  "scripts": {
+    "test": "mocha --reporter=spec test/*-test.js && npm run lint",
+    "lint": "eslint lib/*.js lib/**/*.js lib/**/**/*.js test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/hash.js"
+  },
+  "keywords": [
+    "hash",
+    "sha256",
+    "sha224",
+    "hmac"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/hash.js/issues"
+  },
+  "homepage": "https://github.com/indutny/hash.js",
+  "dependencies": {
+    "inherits": "^2.0.3",
+    "minimalistic-assert": "^1.0.1"
+  },
+  "devDependencies": {
+    "eslint": "^4.19.1",
+    "mocha": "^5.2.0"
+  }
+}
diff --git a/node_modules/hash.js/test/hash-test.js b/node_modules/hash.js/test/hash-test.js
new file mode 100644
index 00000000..f6ca564a
--- /dev/null
+++ b/node_modules/hash.js/test/hash-test.js
@@ -0,0 +1,140 @@
+'use strict';
+/* global describe it */
+
+var assert = require('assert');
+var crypto = require('crypto');
+var hash = require('../');
+
+describe('Hash', function() {
+  function test(fn, cases) {
+    for (var i = 0; i < cases.length; i++) {
+      var msg = cases[i][0];
+      var res = cases[i][1];
+      var enc = cases[i][2];
+
+      var dgst = fn().update(msg, enc).digest('hex');
+      assert.equal(dgst, res);
+
+      // Split message
+      dgst = fn().update(msg.slice(0, 2), enc)
+        .update(msg.slice(2), enc)
+        .digest('hex');
+      assert.equal(dgst, res);
+    }
+  }
+
+  it('should support sha256', function() {
+    assert.equal(hash.sha256.blockSize, 512);
+    assert.equal(hash.sha256.outSize, 256);
+
+    test(hash.sha256, [
+      [ 'abc',
+        'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad' ],
+      [ 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq',
+        '248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1' ],
+      [ 'deadbeef',
+        '5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953',
+        'hex' ],
+    ]);
+  });
+
+  it('should support sha224', function() {
+    assert.equal(hash.sha224.blockSize, 512);
+    assert.equal(hash.sha224.outSize, 224);
+
+    test(hash.sha224, [
+      [ 'abc',
+        '23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7' ],
+      [ 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq',
+        '75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525' ],
+      [ 'deadbeef',
+        '55b9eee5f60cc362ddc07676f620372611e22272f60fdbec94f243f8',
+        'hex' ],
+    ]);
+  });
+
+  it('should support ripemd160', function() {
+    assert.equal(hash.ripemd160.blockSize, 512);
+    assert.equal(hash.ripemd160.outSize, 160);
+
+    test(hash.ripemd160, [
+      [ '', '9c1185a5c5e9fc54612808977ee8f548b2258d31'],
+      [ 'abc',
+        '8eb208f7e05d987a9b044a8e98c6b087f15a0bfc' ],
+      [ 'message digest',
+        '5d0689ef49d2fae572b881b123a85ffa21595f36' ],
+      [ 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq',
+        '12a053384a9c0c88e405a06c27dcf49ada62eb2b' ],
+      [ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789',
+        'b0e20b6e3116640286ed3a87a5713079b21f5189' ],
+    ]);
+  });
+
+  it('should support sha1', function() {
+    assert.equal(hash.sha1.blockSize, 512);
+    assert.equal(hash.sha1.outSize, 160);
+
+    test(hash.sha1, [
+      [ '',
+        'da39a3ee5e6b4b0d3255bfef95601890afd80709' ],
+      [ 'abc',
+        'a9993e364706816aba3e25717850c26c9cd0d89d' ],
+      [ 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq',
+        '84983e441c3bd26ebaae4aa1f95129e5e54670f1' ],
+      [ 'deadbeef',
+        'd78f8bb992a56a597f6c7a1fb918bb78271367eb',
+        'hex' ],
+    ]);
+  });
+
+  it('should support sha512', function() {
+    assert.equal(hash.sha512.blockSize, 1024);
+    assert.equal(hash.sha512.outSize, 512);
+
+    test(hash.sha512, [
+      [ 'abc',
+        'ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a' +
+            '2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f'
+      ],
+      [
+        'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
+          'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
+        '8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018' +
+          '501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909'
+      ]
+    ]);
+  });
+
+  it('should support sha384', function() {
+    assert.equal(hash.sha384.blockSize, 1024);
+    assert.equal(hash.sha384.outSize, 384);
+
+    test(hash.sha384, [
+      [ 'abc',
+        'cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed' +
+            '8086072ba1e7cc2358baeca134c825a7'
+      ],
+      [
+        'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
+          'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
+        '09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712' +
+          'fcc7c71a557e2db966c3e9fa91746039'
+      ]
+    ]);
+  });
+
+  it('handles utf8 in strings just like crypto', function() {
+    const algorithm = 'sha256';
+    test(hash[algorithm], [
+      'hello', // one byte per character
+      'привет', // two bytes per character
+      '您好', // three bytes per character
+      '👋', // four bytes per character
+      'hello привет 您好 👋!!!' // mixed character lengths
+    ].map(str => [str, crypto
+      .createHash(algorithm)
+      .update(str)
+      .digest('hex')]));
+  });
+
+});
diff --git a/node_modules/hash.js/test/hmac-test.js b/node_modules/hash.js/test/hmac-test.js
new file mode 100644
index 00000000..6fe18e38
--- /dev/null
+++ b/node_modules/hash.js/test/hmac-test.js
@@ -0,0 +1,62 @@
+'use strict';
+/* global describe it */
+
+var assert = require('assert');
+var hash = require('../');
+
+describe('Hmac', function() {
+  describe('mixed test vector', function() {
+    test({
+      name: 'nist 1',
+      key: '00010203 04050607 08090A0B 0C0D0E0F' +
+           '10111213 14151617 18191A1B 1C1D1E1F 20212223 24252627' +
+           '28292A2B 2C2D2E2F 30313233 34353637 38393A3B 3C3D3E3F',
+      msg: 'Sample message for keylen=blocklen',
+      res: '8bb9a1db9806f20df7f77b82138c7914d174d59e13dc4d0169c9057b133e1d62'
+    });
+    test({
+      name: 'nist 2',
+      key: '00010203 04050607' +
+           '08090A0B 0C0D0E0F 10111213 14151617 18191A1B 1C1D1E1F',
+      msg: 'Sample message for keylen<blocklen',
+      res: 'a28cf43130ee696a98f14a37678b56bcfcbdd9e5cf69717fecf5480f0ebdf790'
+    });
+    test({
+      name: 'nist 3',
+      key: '00010203' +
+           '04050607 08090A0B 0C0D0E0F 10111213 14151617 18191A1B' +
+           '1C1D1E1F 20212223 24252627 28292A2B 2C2D2E2F 30313233' +
+           '34353637 38393A3B 3C3D3E3F 40414243 44454647 48494A4B' +
+           '4C4D4E4F 50515253 54555657 58595A5B 5C5D5E5F 60616263',
+      msg: 'Sample message for keylen=blocklen',
+      res: 'bdccb6c72ddeadb500ae768386cb38cc41c63dbb0878ddb9c7a38a431b78378d'
+    });
+    test({
+      name: 'nist 4',
+      key: '00' +
+           '01020304 05060708 090A0B0C 0D0E0F10 11121314 15161718' +
+           '191A1B1C 1D1E1F20 21222324 25262728 292A2B2C 2D2E2F30',
+      msg: 'Sample message for keylen<blocklen, with truncated tag',
+      res: '27a8b157839efeac98df070b331d593618ddb985d403c0c786d23b5d132e57c7'
+    });
+    test({
+      name: 'regression 1',
+      key: '48f38d0c6a344959cc94502b7b5e8dffb6a5f41795d9066fc9a649557167ee2f',
+      msg: '1d495eef7761b65dccd0a983d2d7204fea28b5c81f1758046e062eb043755ea1',
+      msgEnc: 'hex',
+      res: 'cf5ad5984f9e43917aa9087380dac46e410ddc8a7731859c84e9d0f31bd43655'
+    });
+
+    function test(opt) {
+      it('should not fail at ' + opt.name, function() {
+        var h = hash.hmac(hash.sha256, opt.key, 'hex');
+        assert.equal(h.update(opt.msg, opt.msgEnc).digest('hex'), opt.res);
+        h = hash.hmac(hash.sha256, opt.key, 'hex');
+        assert.equal(h
+          .update(opt.msg.slice(0, 10), opt.msgEnc)
+          .update(opt.msg.slice(10), opt.msgEnc)
+          .digest('hex'), opt.res);
+      });
+    }
+  });
+});
diff --git a/node_modules/hasown/.eslintrc b/node_modules/hasown/.eslintrc
new file mode 100644
index 00000000..3b5d9e90
--- /dev/null
+++ b/node_modules/hasown/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/node_modules/hasown/.github/FUNDING.yml b/node_modules/hasown/.github/FUNDING.yml
new file mode 100644
index 00000000..d68c8b71
--- /dev/null
+++ b/node_modules/hasown/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/hasown
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/hasown/.nycrc b/node_modules/hasown/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/hasown/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/hasown/CHANGELOG.md b/node_modules/hasown/CHANGELOG.md
new file mode 100644
index 00000000..2b0a980f
--- /dev/null
+++ b/node_modules/hasown/CHANGELOG.md
@@ -0,0 +1,40 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v2.0.2](https://github.com/inspect-js/hasOwn/compare/v2.0.1...v2.0.2) - 2024-03-10
+
+### Commits
+
+- [types] use shared config [`68e9d4d`](https://github.com/inspect-js/hasOwn/commit/68e9d4dab6facb4f05f02c6baea94a3f2a4e44b2)
+- [actions] remove redundant finisher; use reusable workflow [`241a68e`](https://github.com/inspect-js/hasOwn/commit/241a68e13ea1fe52bec5ba7f74144befc31fae7b)
+- [Tests] increase coverage [`4125c0d`](https://github.com/inspect-js/hasOwn/commit/4125c0d6121db56ae30e38346dfb0c000b04f0a7)
+- [Tests] skip `npm ls` in old node due to TS [`01b9282`](https://github.com/inspect-js/hasOwn/commit/01b92822f9971dea031eafdd14767df41d61c202)
+- [types] improve predicate type [`d340f85`](https://github.com/inspect-js/hasOwn/commit/d340f85ce02e286ef61096cbbb6697081d40a12b)
+- [Dev Deps] update `tape` [`70089fc`](https://github.com/inspect-js/hasOwn/commit/70089fcf544e64acc024cbe60f5a9b00acad86de)
+- [Tests] use `@arethetypeswrong/cli` [`50b272c`](https://github.com/inspect-js/hasOwn/commit/50b272c829f40d053a3dd91c9796e0ac0b2af084)
+
+## [v2.0.1](https://github.com/inspect-js/hasOwn/compare/v2.0.0...v2.0.1) - 2024-02-10
+
+### Commits
+
+- [types] use a handwritten d.ts file; fix exported type [`012b989`](https://github.com/inspect-js/hasOwn/commit/012b9898ccf91dc441e2ebf594ff70270a5fda58)
+- [Dev Deps] update `@types/function-bind`, `@types/mock-property`, `@types/tape`, `aud`, `mock-property`, `npmignore`, `tape`, `typescript` [`977a56f`](https://github.com/inspect-js/hasOwn/commit/977a56f51a1f8b20566f3c471612137894644025)
+- [meta] add `sideEffects` flag [`3a60b7b`](https://github.com/inspect-js/hasOwn/commit/3a60b7bf42fccd8c605e5f145a6fcc83b13cb46f)
+
+## [v2.0.0](https://github.com/inspect-js/hasOwn/compare/v1.0.1...v2.0.0) - 2023-10-19
+
+### Commits
+
+- revamped implementation, tests, readme [`72bf8b3`](https://github.com/inspect-js/hasOwn/commit/72bf8b338e77a638f0a290c63ffaed18339c36b4)
+- [meta] revamp package.json [`079775f`](https://github.com/inspect-js/hasOwn/commit/079775fb1ec72c1c6334069593617a0be3847458)
+- Only apps should have lockfiles [`6640e23`](https://github.com/inspect-js/hasOwn/commit/6640e233d1bb8b65260880f90787637db157d215)
+
+## v1.0.1 - 2023-10-10
+
+### Commits
+
+- Initial commit [`8dbfde6`](https://github.com/inspect-js/hasOwn/commit/8dbfde6e8fb0ebb076fab38d138f2984eb340a62)
diff --git a/node_modules/hasown/LICENSE b/node_modules/hasown/LICENSE
new file mode 100644
index 00000000..03149290
--- /dev/null
+++ b/node_modules/hasown/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Jordan Harband and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/hasown/README.md b/node_modules/hasown/README.md
new file mode 100644
index 00000000..f759b8a8
--- /dev/null
+++ b/node_modules/hasown/README.md
@@ -0,0 +1,40 @@
+# hasown <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A robust, ES3 compatible, "has own property" predicate.
+
+## Example
+
+```js
+const assert = require('assert');
+const hasOwn = require('hasown');
+
+assert.equal(hasOwn({}, 'toString'), false);
+assert.equal(hasOwn([], 'length'), true);
+assert.equal(hasOwn({ a: 42 }, 'a'), true);
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/hasown
+[npm-version-svg]: https://versionbadg.es/inspect-js/hasown.svg
+[deps-svg]: https://david-dm.org/inspect-js/hasOwn.svg
+[deps-url]: https://david-dm.org/inspect-js/hasOwn
+[dev-deps-svg]: https://david-dm.org/inspect-js/hasOwn/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/hasOwn#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/hasown.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/hasown.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/hasown.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=hasown
+[codecov-image]: https://codecov.io/gh/inspect-js/hasOwn/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/hasOwn/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/hasOwn
+[actions-url]: https://github.com/inspect-js/hasOwn/actions
diff --git a/node_modules/hasown/index.d.ts b/node_modules/hasown/index.d.ts
new file mode 100644
index 00000000..aafdf3b2
--- /dev/null
+++ b/node_modules/hasown/index.d.ts
@@ -0,0 +1,3 @@
+declare function hasOwn<O, K extends PropertyKey, V = unknown>(o: O, p: K): o is O & Record<K, V>;
+
+export = hasOwn;
diff --git a/node_modules/hasown/index.js b/node_modules/hasown/index.js
new file mode 100644
index 00000000..34e60591
--- /dev/null
+++ b/node_modules/hasown/index.js
@@ -0,0 +1,8 @@
+'use strict';
+
+var call = Function.prototype.call;
+var $hasOwn = Object.prototype.hasOwnProperty;
+var bind = require('function-bind');
+
+/** @type {import('.')} */
+module.exports = bind.call(call, $hasOwn);
diff --git a/node_modules/hasown/package.json b/node_modules/hasown/package.json
new file mode 100644
index 00000000..8502e13d
--- /dev/null
+++ b/node_modules/hasown/package.json
@@ -0,0 +1,92 @@
+{
+	"name": "hasown",
+	"version": "2.0.2",
+	"description": "A robust, ES3 compatible, \"has own property\" predicate.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "index.d.ts",
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tsc": "tsc -p .",
+		"posttsc": "attw -P",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/hasOwn.git"
+	},
+	"keywords": [
+		"has",
+		"hasOwnProperty",
+		"hasOwn",
+		"has-own",
+		"own",
+		"has",
+		"property",
+		"in",
+		"javascript",
+		"ecmascript"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/hasOwn/issues"
+	},
+	"homepage": "https://github.com/inspect-js/hasOwn#readme",
+	"dependencies": {
+		"function-bind": "^1.1.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.15.1",
+		"@ljharb/eslint-config": "^21.1.0",
+		"@ljharb/tsconfig": "^0.2.0",
+		"@types/function-bind": "^1.1.10",
+		"@types/mock-property": "^1.0.2",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"mock-property": "^1.0.3",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test"
+		]
+	}
+}
diff --git a/node_modules/hasown/tsconfig.json b/node_modules/hasown/tsconfig.json
new file mode 100644
index 00000000..0930c565
--- /dev/null
+++ b/node_modules/hasown/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "extends": "@ljharb/tsconfig",
+  "exclude": [
+    "coverage",
+  ],
+}
diff --git a/node_modules/hmac-drbg/.npmignore b/node_modules/hmac-drbg/.npmignore
new file mode 100644
index 00000000..1ca95717
--- /dev/null
+++ b/node_modules/hmac-drbg/.npmignore
@@ -0,0 +1,2 @@
+node_modules/
+npm-debug.log
diff --git a/node_modules/hmac-drbg/.travis.yml b/node_modules/hmac-drbg/.travis.yml
new file mode 100644
index 00000000..ce24b7a7
--- /dev/null
+++ b/node_modules/hmac-drbg/.travis.yml
@@ -0,0 +1,11 @@
+sudo: false
+
+language: node_js
+
+node_js:
+  - "4"
+  - "6"
+  - "stable"
+
+script:
+  - npm test
diff --git a/node_modules/hmac-drbg/README.md b/node_modules/hmac-drbg/README.md
new file mode 100644
index 00000000..7323899f
--- /dev/null
+++ b/node_modules/hmac-drbg/README.md
@@ -0,0 +1,48 @@
+# hmac-drbg
+[![Build Status](https://secure.travis-ci.org/indutny/hmac-drbg.svg)](http://travis-ci.org/indutny/hmac-drbg)
+[![NPM version](https://badge.fury.io/js/hmac-drbg.svg)](http://badge.fury.io/js/hmac-drbg)
+
+JS-only implementation of [HMAC DRBG][0].
+
+## Usage
+
+```js
+const DRBG = require('hmac-drbg');
+const hash = require('hash.js');
+
+const d = new DRBG({
+  hash: hash.sha256,
+  entropy: '0123456789abcdef',
+  nonce: '0123456789abcdef',
+  pers: '0123456789abcdef' /* or `null` */
+});
+
+d.generate(32, 'hex');
+```
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2017.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+[0]: http://csrc.nist.gov/groups/ST/toolkit/documents/rng/HashBlockCipherDRBG.pdf
diff --git a/node_modules/hmac-drbg/lib/hmac-drbg.js b/node_modules/hmac-drbg/lib/hmac-drbg.js
new file mode 100644
index 00000000..9051a52c
--- /dev/null
+++ b/node_modules/hmac-drbg/lib/hmac-drbg.js
@@ -0,0 +1,113 @@
+'use strict';
+
+var hash = require('hash.js');
+var utils = require('minimalistic-crypto-utils');
+var assert = require('minimalistic-assert');
+
+function HmacDRBG(options) {
+  if (!(this instanceof HmacDRBG))
+    return new HmacDRBG(options);
+  this.hash = options.hash;
+  this.predResist = !!options.predResist;
+
+  this.outLen = this.hash.outSize;
+  this.minEntropy = options.minEntropy || this.hash.hmacStrength;
+
+  this._reseed = null;
+  this.reseedInterval = null;
+  this.K = null;
+  this.V = null;
+
+  var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex');
+  var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex');
+  var pers = utils.toArray(options.pers, options.persEnc || 'hex');
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+  this._init(entropy, nonce, pers);
+}
+module.exports = HmacDRBG;
+
+HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
+  var seed = entropy.concat(nonce).concat(pers);
+
+  this.K = new Array(this.outLen / 8);
+  this.V = new Array(this.outLen / 8);
+  for (var i = 0; i < this.V.length; i++) {
+    this.K[i] = 0x00;
+    this.V[i] = 0x01;
+  }
+
+  this._update(seed);
+  this._reseed = 1;
+  this.reseedInterval = 0x1000000000000;  // 2^48
+};
+
+HmacDRBG.prototype._hmac = function hmac() {
+  return new hash.hmac(this.hash, this.K);
+};
+
+HmacDRBG.prototype._update = function update(seed) {
+  var kmac = this._hmac()
+                 .update(this.V)
+                 .update([ 0x00 ]);
+  if (seed)
+    kmac = kmac.update(seed);
+  this.K = kmac.digest();
+  this.V = this._hmac().update(this.V).digest();
+  if (!seed)
+    return;
+
+  this.K = this._hmac()
+               .update(this.V)
+               .update([ 0x01 ])
+               .update(seed)
+               .digest();
+  this.V = this._hmac().update(this.V).digest();
+};
+
+HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
+  // Optional entropy enc
+  if (typeof entropyEnc !== 'string') {
+    addEnc = add;
+    add = entropyEnc;
+    entropyEnc = null;
+  }
+
+  entropy = utils.toArray(entropy, entropyEnc);
+  add = utils.toArray(add, addEnc);
+
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+
+  this._update(entropy.concat(add || []));
+  this._reseed = 1;
+};
+
+HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
+  if (this._reseed > this.reseedInterval)
+    throw new Error('Reseed is required');
+
+  // Optional encoding
+  if (typeof enc !== 'string') {
+    addEnc = add;
+    add = enc;
+    enc = null;
+  }
+
+  // Optional additional data
+  if (add) {
+    add = utils.toArray(add, addEnc || 'hex');
+    this._update(add);
+  }
+
+  var temp = [];
+  while (temp.length < len) {
+    this.V = this._hmac().update(this.V).digest();
+    temp = temp.concat(this.V);
+  }
+
+  var res = temp.slice(0, len);
+  this._update(add);
+  this._reseed++;
+  return utils.encode(res, enc);
+};
diff --git a/node_modules/hmac-drbg/package.json b/node_modules/hmac-drbg/package.json
new file mode 100644
index 00000000..b95d3911
--- /dev/null
+++ b/node_modules/hmac-drbg/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "hmac-drbg",
+  "version": "1.0.1",
+  "description": "Deterministic random bit generator (hmac)",
+  "main": "lib/hmac-drbg.js",
+  "scripts": {
+    "test": "mocha --reporter=spec test/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/hmac-drbg.git"
+  },
+  "keywords": [
+    "hmac",
+    "drbg",
+    "prng"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/hmac-drbg/issues"
+  },
+  "homepage": "https://github.com/indutny/hmac-drbg#readme",
+  "devDependencies": {
+    "mocha": "^3.2.0"
+  },
+  "dependencies": {
+    "hash.js": "^1.0.3",
+    "minimalistic-assert": "^1.0.0",
+    "minimalistic-crypto-utils": "^1.0.1"
+  }
+}
diff --git a/node_modules/hmac-drbg/test/drbg-test.js b/node_modules/hmac-drbg/test/drbg-test.js
new file mode 100644
index 00000000..14fd28a8
--- /dev/null
+++ b/node_modules/hmac-drbg/test/drbg-test.js
@@ -0,0 +1,91 @@
+'use strict';
+
+const assert = require('assert');
+const HmacDRBG = require('../');
+const hash = require('hash.js');
+
+describe('Hmac_DRBG', () => {
+  it('should support hmac-drbg-sha256', () => {
+    function doDrbg(opt) {
+      const drbg = HmacDRBG({
+        hash: hash.sha256,
+        entropy: opt.entropy,
+        entropyEnc: 'utf8',
+        nonce: opt.nonce,
+        nonceEnc: 'utf8',
+        pers: opt.pers,
+        persEnc: 'utf8'
+      });
+      return drbg.generate(opt.size, 'hex');
+    }
+
+    const test = [
+      {
+        entropy: 'totally random0123456789',
+        nonce: 'secret nonce',
+        pers: 'my drbg',
+        size: 32,
+        res: '018ec5f8e08c41e5ac974eb129ac297c5388ee1864324fa13d9b15cf98d9a157'
+      },
+      {
+        entropy: 'totally random0123456789',
+        nonce: 'secret nonce',
+        pers: null,
+        size: 32,
+        res: 'ed5d61ecf0ef38258e62f03bbb49f19f2cd07ba5145a840d83b134d5963b3633'
+      }
+    ];
+    for (let i = 0; i < test.length; i++)
+      assert.equal(doDrbg(test[i]), test[i].res);
+  });
+
+  describe('NIST vector', function() {
+    require('./fixtures/hmac-drbg-nist.json').forEach(function (opt) {
+      it('should not fail at ' + opt.name, function() {
+        const drbg = HmacDRBG({
+          hash: hash.sha256,
+          entropy: opt.entropy,
+          nonce: opt.nonce,
+          pers: opt.pers
+        });
+
+        let last;
+        for (let i = 0; i < opt.add.length; i++) {
+          let add = opt.add[i];
+          last = drbg.generate(opt.expected.length / 2, 'hex', add);
+        }
+        assert.equal(last, opt.expected);
+      });
+    });
+  });
+
+  describe('reseeding', function() {
+    it('should reseed', function() {
+      const entropy = 'totally random string with many chars that I typed ' +
+                      'in agony';
+      const nonce = 'nonce';
+      const pers = 'pers';
+
+      const original = HmacDRBG({
+        hash: hash.sha256,
+        entropy,
+        nonce,
+        pers
+      });
+      const reseeded = HmacDRBG({
+        hash: hash.sha256,
+        entropy,
+        nonce,
+        pers
+      });
+
+      assert.strictEqual(original.generate(32, 'hex'),
+                         reseeded.generate(32, 'hex'));
+
+      reseeded.reseed('another absolutely random string');
+
+      assert.notEqual(original.generate(32, 'hex'),
+                      reseeded.generate(32, 'hex'));
+    });
+  });
+});
diff --git a/node_modules/hmac-drbg/test/fixtures/hmac-drbg-nist.json b/node_modules/hmac-drbg/test/fixtures/hmac-drbg-nist.json
new file mode 100644
index 00000000..fce148a8
--- /dev/null
+++ b/node_modules/hmac-drbg/test/fixtures/hmac-drbg-nist.json
@@ -0,0 +1,332 @@
+[
+  {
+    "name": "0",
+    "entropy": "ca851911349384bffe89de1cbdc46e6831e44d34a4fb935ee285dd14b71a7488",
+    "nonce": "659ba96c601dc69fc902940805ec0ca8",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "e528e9abf2dece54d47c7e75e5fe302149f817ea9fb4bee6f4199697d04d5b89d54fbb978a15b5c443c9ec21036d2460b6f73ebad0dc2aba6e624abf07745bc107694bb7547bb0995f70de25d6b29e2d3011bb19d27676c07162c8b5ccde0668961df86803482cb37ed6d5c0bb8d50cf1f50d476aa0458bdaba806f48be9dcb8"
+  },
+  {
+    "name": "1",
+    "entropy": "79737479ba4e7642a221fcfd1b820b134e9e3540a35bb48ffae29c20f5418ea3",
+    "nonce": "3593259c092bef4129bc2c6c9e19f343",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "cf5ad5984f9e43917aa9087380dac46e410ddc8a7731859c84e9d0f31bd43655b924159413e2293b17610f211e09f770f172b8fb693a35b85d3b9e5e63b1dc252ac0e115002e9bedfb4b5b6fd43f33b8e0eafb2d072e1a6fee1f159df9b51e6c8da737e60d5032dd30544ec51558c6f080bdbdab1de8a939e961e06b5f1aca37"
+  },
+  {
+    "name": "2",
+    "entropy": "b340907445b97a8b589264de4a17c0bea11bb53ad72f9f33297f05d2879d898d",
+    "nonce": "65cb27735d83c0708f72684ea58f7ee5",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "75183aaaf3574bc68003352ad655d0e9ce9dd17552723b47fab0e84ef903694a32987eeddbdc48efd24195dbdac8a46ba2d972f5808f23a869e71343140361f58b243e62722088fe10a98e43372d252b144e00c89c215a76a121734bdc485486f65c0b16b8963524a3a70e6f38f169c12f6cbdd169dd48fe4421a235847a23ff"
+  },
+  {
+    "name": "3",
+    "entropy": "8e159f60060a7d6a7e6fe7c9f769c30b98acb1240b25e7ee33f1da834c0858e7",
+    "nonce": "c39d35052201bdcce4e127a04f04d644",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "62910a77213967ea93d6457e255af51fc79d49629af2fccd81840cdfbb4910991f50a477cbd29edd8a47c4fec9d141f50dfde7c4d8fcab473eff3cc2ee9e7cc90871f180777a97841597b0dd7e779eff9784b9cc33689fd7d48c0dcd341515ac8fecf5c55a6327aea8d58f97220b7462373e84e3b7417a57e80ce946d6120db5"
+  },
+  {
+    "name": "4",
+    "entropy": "74755f196305f7fb6689b2fe6835dc1d81484fc481a6b8087f649a1952f4df6a",
+    "nonce": "c36387a544a5f2b78007651a7b74b749",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "b2896f3af4375dab67e8062d82c1a005ef4ed119d13a9f18371b1b873774418684805fd659bfd69964f83a5cfe08667ddad672cafd16befffa9faed49865214f703951b443e6dca22edb636f3308380144b9333de4bcb0735710e4d9266786342fc53babe7bdbe3c01a3addb7f23c63ce2834729fabbd419b47beceb4a460236"
+  },
+  {
+    "name": "5",
+    "entropy": "4b222718f56a3260b3c2625a4cf80950b7d6c1250f170bd5c28b118abdf23b2f",
+    "nonce": "7aed52d0016fcaef0b6492bc40bbe0e9",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "a6da029b3665cd39fd50a54c553f99fed3626f4902ffe322dc51f0670dfe8742ed48415cf04bbad5ed3b23b18b7892d170a7dcf3ef8052d5717cb0c1a8b3010d9a9ea5de70ae5356249c0e098946030c46d9d3d209864539444374d8fbcae068e1d6548fa59e6562e6b2d1acbda8da0318c23752ebc9be0c1c1c5b3cf66dd967"
+  },
+  {
+    "name": "6",
+    "entropy": "b512633f27fb182a076917e39888ba3ff35d23c3742eb8f3c635a044163768e0",
+    "nonce": "e2c39b84629a3de5c301db5643af1c21",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "fb931d0d0194a97b48d5d4c231fdad5c61aedf1c3a55ac24983ecbf38487b1c93396c6b86ff3920cfa8c77e0146de835ea5809676e702dee6a78100da9aa43d8ec0bf5720befa71f82193205ac2ea403e8d7e0e6270b366dc4200be26afd9f63b7e79286a35c688c57cbff55ac747d4c28bb80a2b2097b3b62ea439950d75dff"
+  },
+  {
+    "name": "7",
+    "entropy": "aae3ffc8605a975befefcea0a7a286642bc3b95fb37bd0eb0585a4cabf8b3d1e",
+    "nonce": "9504c3c0c4310c1c0746a036c91d9034",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "2819bd3b0d216dad59ddd6c354c4518153a2b04374b07c49e64a8e4d055575dfbc9a8fcde68bd257ff1ba5c6000564b46d6dd7ecd9c5d684fd757df62d85211575d3562d7814008ab5c8bc00e7b5a649eae2318665b55d762de36eba00c2906c0e0ec8706edb493e51ca5eb4b9f015dc932f262f52a86b11c41e9a6d5b3bd431"
+  },
+  {
+    "name": "8",
+    "entropy": "b9475210b79b87180e746df704b3cbc7bf8424750e416a7fbb5ce3ef25a82cc6",
+    "nonce": "24baf03599c10df6ef44065d715a93f7",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "ae12d784f796183c50db5a1a283aa35ed9a2b685dacea97c596ff8c294906d1b1305ba1f80254eb062b874a8dfffa3378c809ab2869aa51a4e6a489692284a25038908a347342175c38401193b8afc498077e10522bec5c70882b7f760ea5946870bd9fc72961eedbe8bff4fd58c7cc1589bb4f369ed0d3bf26c5bbc62e0b2b2"
+  },
+  {
+    "name": "9",
+    "entropy": "27838eb44ceccb4e36210703ebf38f659bc39dd3277cd76b7a9bcd6bc964b628",
+    "nonce": "39cfe0210db2e7b0eb52a387476e7ea1",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "e5e72a53605d2aaa67832f97536445ab774dd9bff7f13a0d11fd27bf6593bfb52309f2d4f09d147192199ea584503181de87002f4ee085c7dc18bf32ce5315647a3708e6f404d6588c92b2dda599c131aa350d18c747b33dc8eda15cf40e95263d1231e1b4b68f8d829f86054d49cfdb1b8d96ab0465110569c8583a424a099a"
+  },
+  {
+    "name": "10",
+    "entropy": "d7129e4f47008ad60c9b5d081ff4ca8eb821a6e4deb91608bf4e2647835373a5",
+    "nonce": "a72882773f78c2fc4878295840a53012",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "0cbf48585c5de9183b7ff76557f8fc9ebcfdfde07e588a8641156f61b7952725bbee954f87e9b937513b16bba0f2e523d095114658e00f0f3772175acfcb3240a01de631c19c5a834c94cc58d04a6837f0d2782fa53d2f9f65178ee9c837222494c799e64c60406069bd319549b889fa00a0032dd7ba5b1cc9edbf58de82bfcd"
+  },
+  {
+    "name": "11",
+    "entropy": "67fe5e300c513371976c80de4b20d4473889c9f1214bce718bc32d1da3ab7532",
+    "nonce": "e256d88497738a33923aa003a8d7845c",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "b44660d64ef7bcebc7a1ab71f8407a02285c7592d755ae6766059e894f694373ed9c776c0cfc8594413eefb400ed427e158d687e28da3ecc205e0f7370fb089676bbb0fa591ec8d916c3d5f18a3eb4a417120705f3e2198154cd60648dbfcfc901242e15711cacd501b2c2826abe870ba32da785ed6f1fdc68f203d1ab43a64f"
+  },
+  {
+    "name": "12",
+    "entropy": "de8142541255c46d66efc6173b0fe3ffaf5936c897a3ce2e9d5835616aafa2cb",
+    "nonce": "d01f9002c407127bc3297a561d89b81d",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "64d1020929d74716446d8a4e17205d0756b5264867811aa24d0d0da8644db25d5cde474143c57d12482f6bf0f31d10af9d1da4eb6d701bdd605a8db74fb4e77f79aaa9e450afda50b18d19fae68f03db1d7b5f1738d2fdce9ad3ee9461b58ee242daf7a1d72c45c9213eca34e14810a9fca5208d5c56d8066bab1586f1513de7"
+  },
+  {
+    "name": "13",
+    "entropy": "4a8e0bd90bdb12f7748ad5f147b115d7385bb1b06aee7d8b76136a25d779bcb7",
+    "nonce": "7f3cce4af8c8ce3c45bdf23c6b181a00",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "320c7ca4bbeb7af977bc054f604b5086a3f237aa5501658112f3e7a33d2231f5536d2c85c1dad9d9b0bf7f619c81be4854661626839c8c10ae7fdc0c0b571be34b58d66da553676167b00e7d8e49f416aacb2926c6eb2c66ec98bffae20864cf92496db15e3b09e530b7b9648be8d3916b3c20a3a779bec7d66da63396849aaf"
+  },
+  {
+    "name": "14",
+    "entropy": "451ed024bc4b95f1025b14ec3616f5e42e80824541dc795a2f07500f92adc665",
+    "nonce": "2f28e6ee8de5879db1eccd58c994e5f0",
+    "pers": null,
+    "add": [
+      null,
+      null
+    ],
+    "expected": "3fb637085ab75f4e95655faae95885166a5fbb423bb03dbf0543be063bcd48799c4f05d4e522634d9275fe02e1edd920e26d9accd43709cb0d8f6e50aa54a5f3bdd618be23cf73ef736ed0ef7524b0d14d5bef8c8aec1cf1ed3e1c38a808b35e61a44078127c7cb3a8fd7addfa50fcf3ff3bc6d6bc355d5436fe9b71eb44f7fd"
+  },
+  {
+    "name": "0 with additional data",
+    "entropy": "d3cc4d1acf3dde0c4bd2290d262337042dc632948223d3a2eaab87da44295fbd",
+    "nonce": "0109b0e729f457328aa18569a9224921",
+    "pers": null,
+    "add": [
+      "3c311848183c9a212a26f27f8c6647e40375e466a0857cc39c4e47575d53f1f6",
+      "fcb9abd19ccfbccef88c9c39bfb3dd7b1c12266c9808992e305bc3cff566e4e4"
+    ],
+    "expected": "9c7b758b212cd0fcecd5daa489821712e3cdea4467b560ef5ddc24ab47749a1f1ffdbbb118f4e62fcfca3371b8fbfc5b0646b83e06bfbbab5fac30ea09ea2bc76f1ea568c9be0444b2cc90517b20ca825f2d0eccd88e7175538b85d90ab390183ca6395535d34473af6b5a5b88f5a59ee7561573337ea819da0dcc3573a22974"
+  },
+  {
+    "name": "1 with additional data",
+    "entropy": "f97a3cfd91faa046b9e61b9493d436c4931f604b22f1081521b3419151e8ff06",
+    "nonce": "11f3a7d43595357d58120bd1e2dd8aed",
+    "pers": null,
+    "add": [
+      "517289afe444a0fe5ed1a41dbbb5eb17150079bdd31e29cf2ff30034d8268e3b",
+      "88028d29ef80b4e6f0fe12f91d7449fe75062682e89c571440c0c9b52c42a6e0"
+    ],
+    "expected": "c6871cff0824fe55ea7689a52229886730450e5d362da5bf590dcf9acd67fed4cb32107df5d03969a66b1f6494fdf5d63d5b4d0d34ea7399a07d0116126d0d518c7c55ba46e12f62efc8fe28a51c9d428e6d371d7397ab319fc73ded4722e5b4f30004032a6128df5e7497ecf82ca7b0a50e867ef6728a4f509a8c859087039c"
+  },
+  {
+    "name": "2 with additional data",
+    "entropy": "0f2f23d64f481cabec7abb01db3aabf125c3173a044b9bf26844300b69dcac8b",
+    "nonce": "9a5ae13232b43aa19cfe8d7958b4b590",
+    "pers": null,
+    "add": [
+      "ec4c7a62acab73385f567da10e892ff395a0929f959231a5628188ce0c26e818",
+      "6b97b8c6b6bb8935e676c410c17caa8042aa3145f856d0a32b641e4ae5298648"
+    ],
+    "expected": "7480a361058bd9afa3db82c9d7586e42269102013f6ec5c269b6d05f17987847748684766b44918fd4b65e1648622fc0e0954178b0279dfc9fa99b66c6f53e51c4860131e9e0644287a4afe4ca8e480417e070db68008a97c3397e4b320b5d1a1d7e1d18a95cfedd7d1e74997052bf649d132deb9ec53aae7dafdab55e6dae93"
+  },
+  {
+    "name": "3 with additional data",
+    "entropy": "53c56660c78481be9c63284e005fcc14fbc7fb27732c9bf1366d01a426765a31",
+    "nonce": "dc7a14d0eb5b0b3534e717a0b3c64614",
+    "pers": null,
+    "add": [
+      "3aa848706ecb877f5bedf4ffc332d57c22e08747a47e75cff6f0fd1316861c95",
+      "9a401afa739b8f752fddacd291e0b854f5eff4a55b515e20cb319852189d3722"
+    ],
+    "expected": "5c0eb420e0bf41ce9323e815310e4e8303cd677a8a8b023f31f0d79f0ca15aeb636099a369fd074d69889865eac1b72ab3cbfebdb8cf460b00072802e2ec648b1349a5303be4ccaadd729f1a9ea17482fd026aaeb93f1602bc1404b9853adde40d6c34b844cf148bc088941ecfc1642c8c0b9778e45f3b07e06e21ee2c9e0300"
+  },
+  {
+    "name": "4 with additional data",
+    "entropy": "f63c804404902db334c54bb298fc271a21d7acd9f770278e089775710bf4fdd7",
+    "nonce": "3e45009ea9cb2a36ba1aa4bf39178200",
+    "pers": null,
+    "add": [
+      "d165a13dc8cc43f3f0952c3f5d3de4136954d983683d4a3e6d2dc4c89bf23423",
+      "75106bc86d0336df85097f6af8e80e2da59046a03fa65b06706b8bbc7ffc6785"
+    ],
+    "expected": "6363139bba32c22a0f5cd23ca6d437b5669b7d432f786b8af445471bee0b2d24c9d5f2f93717cbe00d1f010cc3b9c515fc9f7336d53d4d26ba5c0d76a90186663c8582eb739c7b6578a3328bf68dc2cec2cd89b3a90201f6993adcc854df0f5c6974d0f5570765a15fe03dbce28942dd2fd16ba2027e68abac83926969349af8"
+  },
+  {
+    "name": "5 with additional data",
+    "entropy": "2aaca9147da66c176615726b69e3e851cc3537f5f279fe7344233d8e44cfc99d",
+    "nonce": "4e171f080af9a6081bee9f183ac9e340",
+    "pers": null,
+    "add": [
+      "d75a2a6eb66c3833e50f5ec3d2e434cf791448d618026d0c360806d120ded669",
+      "b643b74c15b37612e6577ed7ca2a4c67a78d560af9eb50a4108fca742e87b8d6"
+    ],
+    "expected": "501dcdc977f4ba856f24eaa4968b374bebb3166b280334cb510232c31ebffde10fa47b7840ef3fe3b77725c2272d3a1d4219baf23e0290c622271edcced58838cf428f0517425d2e19e0d8c89377eecfc378245f283236fafa466c914b99672ceafab369e8889a0c866d8bd639db9fb797254262c6fd44cfa9045ad6340a60ef"
+  },
+  {
+    "name": "6 with additional data",
+    "entropy": "a2e4cd48a5cf918d6f55942d95fcb4e8465cdc4f77b7c52b6fae5b16a25ca306",
+    "nonce": "bef036716440db6e6d333d9d760b7ca8",
+    "pers": null,
+    "add": [
+      "bfa591c7287f3f931168f95e38869441d1f9a11035ad8ea625bb61b9ea17591c",
+      "c00c735463bca215adc372cb892b05e939bf669583341c06d4e31d0e5b363a37"
+    ],
+    "expected": "e7d136af69926a5421d4266ee0420fd729f2a4f7c295d3c966bdfa05268180b508b8a2852d1b3a06fd2ab3e13c54005123ef319f42d0c6d3a575e6e7e1496cb28aacadbcf83740fba8f35fcee04bb2ed8a51db3d3362b01094a62fb57e33c99a432f29fce6676cffbbcc05107e794e75e44a02d5e6d9d748c5fbff00a0178d65"
+  },
+  {
+    "name": "7 with additional data",
+    "entropy": "95a67771cba69011a79776e713145d309edae56fad5fd6d41d83eaff89df6e5e",
+    "nonce": "be5b5164e31ecc51ba6f7c3c5199eb33",
+    "pers": null,
+    "add": [
+      "065f693b229a7c4fd373cd15b3807552dd9bf98c5485cef361949d4e7d774b53",
+      "9afb62406f0e812c4f156d58b19a656c904813c1b4a45a0029ae7f50731f8014"
+    ],
+    "expected": "f61b61a6e79a41183e8ed6647899d2dc85cdaf5c3abf5c7f3bf37685946dc28f4923dc842f2d4326bd6ce0d50a84cb3ba869d72a36e246910eba6512ba36cd7ed3a5437c9245b00a344308c792b668b458d3c3e16dee2fbec41867da31084d46d8ec168de2148ef64fc5b72069abf5a6ada1ead2b7146bb793ff1c9c3690fa56"
+  },
+  {
+    "name": "8 with additional data",
+    "entropy": "a459e1815cbca4514ec8094d5ab2414a557ba6fe10e613c345338d0521e4bf90",
+    "nonce": "62221392e2552e76cd0d36df6e6068eb",
+    "pers": null,
+    "add": [
+      "0a3642b02b23b3ef62c701a63401124022f5b896de86dab6e6c7451497aa1dcc",
+      "c80514865901371c45ba92d9f95d50bb7c9dd1768cb3dfbc45b968da94965c6e"
+    ],
+    "expected": "464e6977b8adaef307c9623e41c357013249c9ffd77f405f3925cebb69f151ce8fbb6a277164002aee7858fc224f6499042aa1e6322deee9a5d133c31d640e12a7487c731ba03ad866a24675badb1d79220c40be689f79c2a0be93cb4dada3e0eac4ab140cb91998b6f11953e68f2319b050c40f71c34de9905ae41b2de1c2f6"
+  },
+  {
+    "name": "9 with additional data",
+    "entropy": "252c2cad613e002478162861880979ee4e323025eebb6fb2e0aa9f200e28e0a1",
+    "nonce": "d001bc9a8f2c8c242e4369df0c191989",
+    "pers": null,
+    "add": [
+      "9bcfc61cb2bc000034bb3db980eb47c76fb5ecdd40553eff113368d639b947fd",
+      "8b0565c767c2610ee0014582e9fbecb96e173005b60e9581503a6dca5637a26e"
+    ],
+    "expected": "e96c15fe8a60692b0a7d67171e0195ff6e1c87aab844221e71700d1bbee75feea695f6a740c9760bbe0e812ecf4061d8f0955bc0195e18c4fd1516ebca50ba6a6db86881737dbab8321707675479b87611db6af2c97ea361a5484555ead454defb1a64335de964fc803d40f3a6f057893d2afc25725754f4f00abc51920743dc"
+  },
+  {
+    "name": "10 with additional data",
+    "entropy": "8be0ca6adc8b3870c9d69d6021bc1f1d8eb9e649073d35ee6c5aa0b7e56ad8a5",
+    "nonce": "9d1265f7d51fdb65377f1e6edd6ae0e4",
+    "pers": null,
+    "add": [
+      "da86167ac997c406bb7979f423986a84ec6614d6caa7afc10aff0699a9b2cf7f",
+      "e4baa3c555950b53e2bfdba480cb4c94b59381bac1e33947e0c22e838a9534cf"
+    ],
+    "expected": "64384ecc4ea6b458efc227ca697eac5510092265520c0a0d8a0ccf9ed3ca9d58074671188c6a7ad16d0b050cdc072c125d7298d3a31d9f044a9ee40da0089a84fea28cc7f05f1716db952fad29a0e779635cb7a912a959be67be2f0a4170aace2981802e2ff6467e5b46f0ffbff3b42ba5935fd553c82482ac266acf1cd247d7"
+  },
+  {
+    "name": "11 with additional data",
+    "entropy": "d43a75b6adf26d60322284cb12ac38327792442aa8f040f60a2f331b33ac4a8f",
+    "nonce": "0682f8b091f811afacaacaec9b04d279",
+    "pers": null,
+    "add": [
+      "7fd3b8f512940da7de5d80199d9a7b42670c04a945775a3dba869546cbb9bc65",
+      "2575db20bc7aafc2a90a5dabab760db851d754777bc9f05616af1858b24ff3da"
+    ],
+    "expected": "0da7a8dc73c163014bf0841913d3067806456bbca6d5de92b85534c6545467313648d71ef17c923d090dc92cff8d4d1a9a2bb63e001dc2e8ab1a597999be3d6cf70ff63fee9985801395fbd4f4990430c4259fcae4fa1fcd73dc3187ccc102d04af7c07532885e5a226fc42809c48f22eecf4f6ab996ae4fcb144786957d9f41"
+  },
+  {
+    "name": "12 with additional data",
+    "entropy": "64352f236af5d32067a529a8fd05ba00a338c9de306371a0b00c36e610a48d18",
+    "nonce": "df99ed2c7608c870624b962a5dc68acd",
+    "pers": null,
+    "add": [
+      "da416335e7aaf60cf3d06fb438735ce796aad09034f8969c8f8c3f81e32fef24",
+      "a28c07c21a2297311adf172c19e83ca0a87731bdffb80548978d2d1cd82cf8a3"
+    ],
+    "expected": "132b9f25868729e3853d3c51f99a3b5fae6d4204bea70890daf62e042b776a526c8fb831b80a6d5d3f153237df1fd39b6fd9137963f5516d9cdd4e3f9195c46e9972c15d3edc6606e3368bde1594977fb88d0ca6e6f5f3d057ccadc7d7dab77dfc42658a1e972aa446b20d418286386a52dfc1c714d2ac548713268b0b709729"
+  },
+  {
+    "name": "13 with additional data",
+    "entropy": "282f4d2e05a2cd30e9087f5633089389449f04bac11df718c90bb351cd3653a5",
+    "nonce": "90a7daf3c0de9ea286081efc4a684dfb",
+    "pers": null,
+    "add": [
+      "2630b4ccc7271cc379cb580b0aaede3d3aa8c1c7ba002cf791f0752c3d739007",
+      "c31d69de499f1017be44e3d4fa77ecebc6a9b9934749fcf136f267b29115d2cc"
+    ],
+    "expected": "c899094520e0197c37b91dd50778e20a5b950decfb308d39f1db709447ae48f6101d9abe63a783fbb830eec1d359a5f61a2013728966d349213ee96382614aa4135058a967627183810c6622a2158cababe3b8ab99169c89e362108bf5955b4ffc47440f87e4bad0d36bc738e737e072e64d8842e7619f1be0af1141f05afe2d"
+  },
+  {
+    "name": "14 with additional data",
+    "entropy": "13c752b9e745ce77bbc7c0dbda982313d3fe66f903e83ebd8dbe4ff0c11380e9",
+    "nonce": "f1a533095d6174164bd7c82532464ae7",
+    "pers": null,
+    "add": [
+      "4f53db89b9ba7fc00767bc751fb8f3c103fe0f76acd6d5c7891ab15b2b7cf67c",
+      "582c2a7d34679088cca6bd28723c99aac07db46c332dc0153d1673256903b446"
+    ],
+    "expected": "6311f4c0c4cd1f86bd48349abb9eb930d4f63df5e5f7217d1d1b91a71d8a6938b0ad2b3e897bd7e3d8703db125fab30e03464fad41e5ddf5bf9aeeb5161b244468cfb26a9d956931a5412c97d64188b0da1bd907819c686f39af82e91cfeef0cbffb5d1e229e383bed26d06412988640706815a6e820796876f416653e464961"
+  }
+]
diff --git a/node_modules/https-browserify/LICENSE b/node_modules/https-browserify/LICENSE
new file mode 100644
index 00000000..e45bc693
--- /dev/null
+++ b/node_modules/https-browserify/LICENSE
@@ -0,0 +1,20 @@
+This software is released under the MIT license:
+
+Copyright (c) James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/https-browserify/index.js b/node_modules/https-browserify/index.js
new file mode 100644
index 00000000..cd203027
--- /dev/null
+++ b/node_modules/https-browserify/index.js
@@ -0,0 +1,31 @@
+var http = require('http')
+var url = require('url')
+
+var https = module.exports
+
+for (var key in http) {
+  if (http.hasOwnProperty(key)) https[key] = http[key]
+}
+
+https.request = function (params, cb) {
+  params = validateParams(params)
+  return http.request.call(this, params, cb)
+}
+
+https.get = function (params, cb) {
+  params = validateParams(params)
+  return http.get.call(this, params, cb)
+}
+
+function validateParams (params) {
+  if (typeof params === 'string') {
+    params = url.parse(params)
+  }
+  if (!params.protocol) {
+    params.protocol = 'https:'
+  }
+  if (params.protocol !== 'https:') {
+    throw new Error('Protocol "' + params.protocol + '" not supported. Expected "https:"')
+  }
+  return params
+}
diff --git a/node_modules/https-browserify/package.json b/node_modules/https-browserify/package.json
new file mode 100644
index 00000000..a3c050c1
--- /dev/null
+++ b/node_modules/https-browserify/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "https-browserify",
+  "description": "https module compatability for browserify",
+  "version": "1.0.0",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "devDependencies": {
+    "standard": "^9.0.2"
+  },
+  "homepage": "https://github.com/substack/https-browserify",
+  "keywords": [
+    "browser",
+    "browserify",
+    "https"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/https-browserify.git"
+  },
+  "scripts": {
+    "test": "standard"
+  }
+}
diff --git a/node_modules/https-browserify/readme.markdown b/node_modules/https-browserify/readme.markdown
new file mode 100644
index 00000000..df04052a
--- /dev/null
+++ b/node_modules/https-browserify/readme.markdown
@@ -0,0 +1,22 @@
+# https-browserify
+
+https module compatability for browserify
+
+# example
+
+``` js
+var https = require('https-browserify')
+var r = https.request('https://github.com')
+r.on('request', function (res) {
+  console.log(res)
+})
+```
+
+# methods
+
+The API is the same as the client portion of the
+[node core https module](http://nodejs.org/docs/latest/api/https.html).
+
+# license
+
+MIT
diff --git a/node_modules/ieee754/LICENSE b/node_modules/ieee754/LICENSE
new file mode 100644
index 00000000..5aac82c7
--- /dev/null
+++ b/node_modules/ieee754/LICENSE
@@ -0,0 +1,11 @@
+Copyright 2008 Fair Oaks Labs, Inc.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/ieee754/README.md b/node_modules/ieee754/README.md
new file mode 100644
index 00000000..cb7527b3
--- /dev/null
+++ b/node_modules/ieee754/README.md
@@ -0,0 +1,51 @@
+# ieee754 [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/ieee754/master.svg
+[travis-url]: https://travis-ci.org/feross/ieee754
+[npm-image]: https://img.shields.io/npm/v/ieee754.svg
+[npm-url]: https://npmjs.org/package/ieee754
+[downloads-image]: https://img.shields.io/npm/dm/ieee754.svg
+[downloads-url]: https://npmjs.org/package/ieee754
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/ieee754.svg
+[saucelabs-url]: https://saucelabs.com/u/ieee754
+
+### Read/write IEEE754 floating point numbers from/to a Buffer or array-like object.
+
+## install
+
+```
+npm install ieee754
+```
+
+## methods
+
+`var ieee754 = require('ieee754')`
+
+The `ieee754` object has the following functions:
+
+```
+ieee754.read = function (buffer, offset, isLE, mLen, nBytes)
+ieee754.write = function (buffer, value, offset, isLE, mLen, nBytes)
+```
+
+The arguments mean the following:
+
+- buffer = the buffer
+- offset = offset into the buffer
+- value = value to set (only for `write`)
+- isLe = is little endian?
+- mLen = mantissa length
+- nBytes = number of bytes
+
+## what is ieee754?
+
+The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation. [Read more](http://en.wikipedia.org/wiki/IEEE_floating_point).
+
+## license
+
+BSD 3 Clause. Copyright (c) 2008, Fair Oaks Labs, Inc.
diff --git a/node_modules/ieee754/index.d.ts b/node_modules/ieee754/index.d.ts
new file mode 100644
index 00000000..f1e43548
--- /dev/null
+++ b/node_modules/ieee754/index.d.ts
@@ -0,0 +1,10 @@
+declare namespace ieee754 {
+    export function read(
+        buffer: Uint8Array, offset: number, isLE: boolean, mLen: number,
+        nBytes: number): number;
+    export function write(
+        buffer: Uint8Array, value: number, offset: number, isLE: boolean,
+        mLen: number, nBytes: number): void;
+  }
+  
+  export = ieee754;
\ No newline at end of file
diff --git a/node_modules/ieee754/index.js b/node_modules/ieee754/index.js
new file mode 100644
index 00000000..81d26c34
--- /dev/null
+++ b/node_modules/ieee754/index.js
@@ -0,0 +1,85 @@
+/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = ((value * c) - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
diff --git a/node_modules/ieee754/package.json b/node_modules/ieee754/package.json
new file mode 100644
index 00000000..7b238513
--- /dev/null
+++ b/node_modules/ieee754/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "ieee754",
+  "description": "Read/write IEEE754 floating point numbers from/to a Buffer or array-like object",
+  "version": "1.2.1",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "contributors": [
+    "Romain Beauxis <toots@rastageeks.org>"
+  ],
+  "devDependencies": {
+    "airtap": "^3.0.0",
+    "standard": "*",
+    "tape": "^5.0.1"
+  },
+  "keywords": [
+    "IEEE 754",
+    "buffer",
+    "convert",
+    "floating point",
+    "ieee754"
+  ],
+  "license": "BSD-3-Clause",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/ieee754.git"
+  },
+  "scripts": {
+    "test": "standard && npm run test-node && npm run test-browser",
+    "test-browser": "airtap -- test/*.js",
+    "test-browser-local": "airtap --local -- test/*.js",
+    "test-node": "tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/iferr/.npmignore b/node_modules/iferr/.npmignore
new file mode 100644
index 00000000..3c3629e6
--- /dev/null
+++ b/node_modules/iferr/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/node_modules/iferr/LICENSE b/node_modules/iferr/LICENSE
new file mode 100644
index 00000000..19d5f4bc
--- /dev/null
+++ b/node_modules/iferr/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Nadav Ivgi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/iferr/README.md b/node_modules/iferr/README.md
new file mode 100644
index 00000000..0940763f
--- /dev/null
+++ b/node_modules/iferr/README.md
@@ -0,0 +1,40 @@
+# iferr
+
+Higher-order functions for easier error handling.
+
+`if (err) return cb(err);` be gone!
+
+## Install
+```bash
+npm install iferr
+```
+
+## Use
+
+### JavaScript example
+```js
+var iferr = require('iferr');
+
+function get_friends_count(id, cb) {
+  User.load_user(id, iferr(cb, function(user) {
+    user.load_friends(iferr(cb, function(friends) {
+      cb(null, friends.length);
+    }));
+  }));
+}
+```
+
+### CoffeeScript example
+```coffee
+iferr = require 'iferr'
+
+get_friends_count = (id, cb) ->
+  User.load_user id, iferr cb, (user) ->
+    user.load_friends iferr cb, (friends) ->
+      cb null, friends.length
+```
+
+(TODO: document tiferr, throwerr and printerr)
+
+## License
+MIT
diff --git a/node_modules/iferr/index.coffee b/node_modules/iferr/index.coffee
new file mode 100644
index 00000000..da6d0071
--- /dev/null
+++ b/node_modules/iferr/index.coffee
@@ -0,0 +1,24 @@
+# Delegates to `succ` on sucecss or to `fail` on error
+# ex: Thing.load 123, iferr cb, (thing) -> ...
+iferr = (fail, succ) -> (err, a...) ->
+  if err? then fail err
+  else succ? a...
+
+# Like iferr, but also catches errors thrown from `succ` and passes to `fail`
+tiferr = (fail, succ) -> iferr fail, (a...) ->
+  try succ a...
+  catch err then fail err
+
+# Delegate to the success function on success, or throw the error otherwise
+# ex: Thing.load 123, throwerr (thing) -> ...
+throwerr = iferr.bind null, (err) -> throw err
+
+# Prints errors when one is passed, or does nothing otherwise
+# ex: thing.save printerr
+printerr = iferr (err) -> console.error err.stack or err
+
+module.exports = exports = iferr
+exports.iferr = iferr
+exports.tiferr = tiferr
+exports.throwerr = throwerr
+exports.printerr = printerr
diff --git a/node_modules/iferr/index.js b/node_modules/iferr/index.js
new file mode 100644
index 00000000..78fce3d2
--- /dev/null
+++ b/node_modules/iferr/index.js
@@ -0,0 +1,49 @@
+// Generated by CoffeeScript 1.7.1
+(function() {
+  var exports, iferr, printerr, throwerr, tiferr,
+    __slice = [].slice;
+
+  iferr = function(fail, succ) {
+    return function() {
+      var a, err;
+      err = arguments[0], a = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
+      if (err != null) {
+        return fail(err);
+      } else {
+        return typeof succ === "function" ? succ.apply(null, a) : void 0;
+      }
+    };
+  };
+
+  tiferr = function(fail, succ) {
+    return iferr(fail, function() {
+      var a, err;
+      a = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
+      try {
+        return succ.apply(null, a);
+      } catch (_error) {
+        err = _error;
+        return fail(err);
+      }
+    });
+  };
+
+  throwerr = iferr.bind(null, function(err) {
+    throw err;
+  });
+
+  printerr = iferr(function(err) {
+    return console.error(err.stack || err);
+  });
+
+  module.exports = exports = iferr;
+
+  exports.iferr = iferr;
+
+  exports.tiferr = tiferr;
+
+  exports.throwerr = throwerr;
+
+  exports.printerr = printerr;
+
+}).call(this);
diff --git a/node_modules/iferr/package.json b/node_modules/iferr/package.json
new file mode 100644
index 00000000..9653654c
--- /dev/null
+++ b/node_modules/iferr/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "iferr",
+  "version": "0.1.5",
+  "description": "Higher-order functions for easier error handling",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "coffee -c index.coffee"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/shesek/iferr"
+  },
+  "keywords": [
+    "error",
+    "errors"
+  ],
+  "author": "Nadav Ivgi",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/shesek/iferr/issues"
+  },
+  "homepage": "https://github.com/shesek/iferr",
+  "devDependencies": {
+    "coffee-script": "^1.7.1",
+    "mocha": "^1.18.2"
+  }
+}
diff --git a/node_modules/iferr/test/index.coffee b/node_modules/iferr/test/index.coffee
new file mode 100644
index 00000000..be0bc56f
--- /dev/null
+++ b/node_modules/iferr/test/index.coffee
@@ -0,0 +1,42 @@
+{ iferr, tiferr, throwerr } = require '../index.coffee'
+{ equal: eq, throws } = require 'assert'
+
+invoke_fail = (cb) -> cb new Error 'callback error'
+invoke_succ = (cb) -> cb null
+throw_error = -> throw new Error 'thrown'
+
+describe 'iferr', ->
+  it 'calls the error callback on errors', (done) ->
+    invoke_fail iferr(
+      (err) ->
+        eq err.message, 'callback error'
+        do done
+      ->
+        done new Error 'shouldn\'t call the success callback'
+    )
+
+  it 'calls the success callback on success', (done) ->
+    invoke_succ iferr(
+      -> done new Error 'shouldn\'t call the error callback'
+      done
+    )
+
+describe 'tiferr', ->
+  it 'catches errors in the success callback', (done) ->
+    invoke_succ tiferr(
+      (err) ->
+        eq err.message, 'thrown'
+        do done
+      throw_error
+    )
+
+describe 'throwerr', ->
+  it 'throws errors passed to the callback', (done)->
+    try invoke_fail throwerr ->
+      done 'shouldn\'t call the success callback'
+    catch err
+      eq err.message, 'callback error'
+      do done
+
+  it 'delegates to the success callback otherwise', (done) ->
+    invoke_succ throwerr done
diff --git a/node_modules/iferr/test/mocha.opts b/node_modules/iferr/test/mocha.opts
new file mode 100644
index 00000000..019defcf
--- /dev/null
+++ b/node_modules/iferr/test/mocha.opts
@@ -0,0 +1,2 @@
+--compilers coffee:coffee-script/register
+--reporter spec
diff --git a/node_modules/imurmurhash/README.md b/node_modules/imurmurhash/README.md
new file mode 100644
index 00000000..f35b20a0
--- /dev/null
+++ b/node_modules/imurmurhash/README.md
@@ -0,0 +1,122 @@
+iMurmurHash.js
+==============
+
+An incremental implementation of the MurmurHash3 (32-bit) hashing algorithm for JavaScript based on [Gary Court's implementation](https://github.com/garycourt/murmurhash-js) with [kazuyukitanimura's modifications](https://github.com/kazuyukitanimura/murmurhash-js).
+
+This version works significantly faster than the non-incremental version if you need to hash many small strings into a single hash, since string concatenation (to build the single string to pass the non-incremental version) is fairly costly. In one case tested, using the incremental version was about 50% faster than concatenating 5-10 strings and then hashing.
+
+Installation
+------------
+
+To use iMurmurHash in the browser, [download the latest version](https://raw.github.com/jensyt/imurmurhash-js/master/imurmurhash.min.js) and include it as a script on your site.
+
+```html
+<script type="text/javascript" src="/scripts/imurmurhash.min.js"></script>
+<script>
+// Your code here, access iMurmurHash using the global object MurmurHash3
+</script>
+```
+
+---
+
+To use iMurmurHash in Node.js, install the module using NPM:
+
+```bash
+npm install imurmurhash
+```
+
+Then simply include it in your scripts:
+
+```javascript
+MurmurHash3 = require('imurmurhash');
+```
+
+Quick Example
+-------------
+
+```javascript
+// Create the initial hash
+var hashState = MurmurHash3('string');
+
+// Incrementally add text
+hashState.hash('more strings');
+hashState.hash('even more strings');
+
+// All calls can be chained if desired
+hashState.hash('and').hash('some').hash('more');
+
+// Get a result
+hashState.result();
+// returns 0xe4ccfe6b
+```
+
+Functions
+---------
+
+### MurmurHash3 ([string], [seed])
+Get a hash state object, optionally initialized with the given _string_ and _seed_. _Seed_ must be a positive integer if provided. Calling this function without the `new` keyword will return a cached state object that has been reset. This is safe to use as long as the object is only used from a single thread and no other hashes are created while operating on this one. If this constraint cannot be met, you can use `new` to create a new state object. For example:
+
+```javascript
+// Use the cached object, calling the function again will return the same
+// object (but reset, so the current state would be lost)
+hashState = MurmurHash3();
+...
+
+// Create a new object that can be safely used however you wish. Calling the
+// function again will simply return a new state object, and no state loss
+// will occur, at the cost of creating more objects.
+hashState = new MurmurHash3();
+```
+
+Both methods can be mixed however you like if you have different use cases.
+
+---
+
+### MurmurHash3.prototype.hash (string)
+Incrementally add _string_ to the hash. This can be called as many times as you want for the hash state object, including after a call to `result()`. Returns `this` so calls can be chained.
+
+---
+
+### MurmurHash3.prototype.result ()
+Get the result of the hash as a 32-bit positive integer. This performs the tail and finalizer portions of the algorithm, but does not store the result in the state object. This means that it is perfectly safe to get results and then continue adding strings via `hash`.
+
+```javascript
+// Do the whole string at once
+MurmurHash3('this is a test string').result();
+// 0x70529328
+
+// Do part of the string, get a result, then the other part
+var m = MurmurHash3('this is a');
+m.result();
+// 0xbfc4f834
+m.hash(' test string').result();
+// 0x70529328 (same as above)
+```
+
+---
+
+### MurmurHash3.prototype.reset ([seed])
+Reset the state object for reuse, optionally using the given _seed_ (defaults to 0 like the constructor). Returns `this` so calls can be chained.
+
+---
+
+License (MIT)
+-------------
+Copyright (c) 2013 Gary Court, Jens Taylor
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/imurmurhash/imurmurhash.js b/node_modules/imurmurhash/imurmurhash.js
new file mode 100644
index 00000000..e63146a2
--- /dev/null
+++ b/node_modules/imurmurhash/imurmurhash.js
@@ -0,0 +1,138 @@
+/**
+ * @preserve
+ * JS Implementation of incremental MurmurHash3 (r150) (as of May 10, 2013)
+ *
+ * @author <a href="mailto:jensyt@gmail.com">Jens Taylor</a>
+ * @see http://github.com/homebrewing/brauhaus-diff
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ */
+(function(){
+    var cache;
+
+    // Call this function without `new` to use the cached object (good for
+    // single-threaded environments), or with `new` to create a new object.
+    //
+    // @param {string} key A UTF-16 or ASCII string
+    // @param {number} seed An optional positive integer
+    // @return {object} A MurmurHash3 object for incremental hashing
+    function MurmurHash3(key, seed) {
+        var m = this instanceof MurmurHash3 ? this : cache;
+        m.reset(seed)
+        if (typeof key === 'string' && key.length > 0) {
+            m.hash(key);
+        }
+
+        if (m !== this) {
+            return m;
+        }
+    };
+
+    // Incrementally add a string to this hash
+    //
+    // @param {string} key A UTF-16 or ASCII string
+    // @return {object} this
+    MurmurHash3.prototype.hash = function(key) {
+        var h1, k1, i, top, len;
+
+        len = key.length;
+        this.len += len;
+
+        k1 = this.k1;
+        i = 0;
+        switch (this.rem) {
+            case 0: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) : 0;
+            case 1: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 8 : 0;
+            case 2: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 16 : 0;
+            case 3:
+                k1 ^= len > i ? (key.charCodeAt(i) & 0xff) << 24 : 0;
+                k1 ^= len > i ? (key.charCodeAt(i++) & 0xff00) >> 8 : 0;
+        }
+
+        this.rem = (len + this.rem) & 3; // & 3 is same as % 4
+        len -= this.rem;
+        if (len > 0) {
+            h1 = this.h1;
+            while (1) {
+                k1 = (k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000) & 0xffffffff;
+                k1 = (k1 << 15) | (k1 >>> 17);
+                k1 = (k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000) & 0xffffffff;
+
+                h1 ^= k1;
+                h1 = (h1 << 13) | (h1 >>> 19);
+                h1 = (h1 * 5 + 0xe6546b64) & 0xffffffff;
+
+                if (i >= len) {
+                    break;
+                }
+
+                k1 = ((key.charCodeAt(i++) & 0xffff)) ^
+                     ((key.charCodeAt(i++) & 0xffff) << 8) ^
+                     ((key.charCodeAt(i++) & 0xffff) << 16);
+                top = key.charCodeAt(i++);
+                k1 ^= ((top & 0xff) << 24) ^
+                      ((top & 0xff00) >> 8);
+            }
+
+            k1 = 0;
+            switch (this.rem) {
+                case 3: k1 ^= (key.charCodeAt(i + 2) & 0xffff) << 16;
+                case 2: k1 ^= (key.charCodeAt(i + 1) & 0xffff) << 8;
+                case 1: k1 ^= (key.charCodeAt(i) & 0xffff);
+            }
+
+            this.h1 = h1;
+        }
+
+        this.k1 = k1;
+        return this;
+    };
+
+    // Get the result of this hash
+    //
+    // @return {number} The 32-bit hash
+    MurmurHash3.prototype.result = function() {
+        var k1, h1;
+        
+        k1 = this.k1;
+        h1 = this.h1;
+
+        if (k1 > 0) {
+            k1 = (k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000) & 0xffffffff;
+            k1 = (k1 << 15) | (k1 >>> 17);
+            k1 = (k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000) & 0xffffffff;
+            h1 ^= k1;
+        }
+
+        h1 ^= this.len;
+
+        h1 ^= h1 >>> 16;
+        h1 = (h1 * 0xca6b + (h1 & 0xffff) * 0x85eb0000) & 0xffffffff;
+        h1 ^= h1 >>> 13;
+        h1 = (h1 * 0xae35 + (h1 & 0xffff) * 0xc2b20000) & 0xffffffff;
+        h1 ^= h1 >>> 16;
+
+        return h1 >>> 0;
+    };
+
+    // Reset the hash object for reuse
+    //
+    // @param {number} seed An optional positive integer
+    MurmurHash3.prototype.reset = function(seed) {
+        this.h1 = typeof seed === 'number' ? seed : 0;
+        this.rem = this.k1 = this.len = 0;
+        return this;
+    };
+
+    // A cached object to use. This can be safely used if you're in a single-
+    // threaded environment, otherwise you need to create new hashes to use.
+    cache = new MurmurHash3();
+
+    if (typeof(module) != 'undefined') {
+        module.exports = MurmurHash3;
+    } else {
+        this.MurmurHash3 = MurmurHash3;
+    }
+}());
diff --git a/node_modules/imurmurhash/imurmurhash.min.js b/node_modules/imurmurhash/imurmurhash.min.js
new file mode 100644
index 00000000..dc0ee88d
--- /dev/null
+++ b/node_modules/imurmurhash/imurmurhash.min.js
@@ -0,0 +1,12 @@
+/**
+ * @preserve
+ * JS Implementation of incremental MurmurHash3 (r150) (as of May 10, 2013)
+ *
+ * @author <a href="mailto:jensyt@gmail.com">Jens Taylor</a>
+ * @see http://github.com/homebrewing/brauhaus-diff
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ */
+!function(){function t(h,r){var s=this instanceof t?this:e;return s.reset(r),"string"==typeof h&&h.length>0&&s.hash(h),s!==this?s:void 0}var e;t.prototype.hash=function(t){var e,h,r,s,i;switch(i=t.length,this.len+=i,h=this.k1,r=0,this.rem){case 0:h^=i>r?65535&t.charCodeAt(r++):0;case 1:h^=i>r?(65535&t.charCodeAt(r++))<<8:0;case 2:h^=i>r?(65535&t.charCodeAt(r++))<<16:0;case 3:h^=i>r?(255&t.charCodeAt(r))<<24:0,h^=i>r?(65280&t.charCodeAt(r++))>>8:0}if(this.rem=3&i+this.rem,i-=this.rem,i>0){for(e=this.h1;;){if(h=4294967295&11601*h+3432906752*(65535&h),h=h<<15|h>>>17,h=4294967295&13715*h+461832192*(65535&h),e^=h,e=e<<13|e>>>19,e=4294967295&5*e+3864292196,r>=i)break;h=65535&t.charCodeAt(r++)^(65535&t.charCodeAt(r++))<<8^(65535&t.charCodeAt(r++))<<16,s=t.charCodeAt(r++),h^=(255&s)<<24^(65280&s)>>8}switch(h=0,this.rem){case 3:h^=(65535&t.charCodeAt(r+2))<<16;case 2:h^=(65535&t.charCodeAt(r+1))<<8;case 1:h^=65535&t.charCodeAt(r)}this.h1=e}return this.k1=h,this},t.prototype.result=function(){var t,e;return t=this.k1,e=this.h1,t>0&&(t=4294967295&11601*t+3432906752*(65535&t),t=t<<15|t>>>17,t=4294967295&13715*t+461832192*(65535&t),e^=t),e^=this.len,e^=e>>>16,e=4294967295&51819*e+2246770688*(65535&e),e^=e>>>13,e=4294967295&44597*e+3266445312*(65535&e),e^=e>>>16,e>>>0},t.prototype.reset=function(t){return this.h1="number"==typeof t?t:0,this.rem=this.k1=this.len=0,this},e=new t,"undefined"!=typeof module?module.exports=t:this.MurmurHash3=t}();
\ No newline at end of file
diff --git a/node_modules/imurmurhash/package.json b/node_modules/imurmurhash/package.json
new file mode 100644
index 00000000..8a93edb5
--- /dev/null
+++ b/node_modules/imurmurhash/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "imurmurhash",
+  "version": "0.1.4",
+  "description": "An incremental implementation of MurmurHash3",
+  "homepage": "https://github.com/jensyt/imurmurhash-js",
+  "main": "imurmurhash.js",
+  "files": [
+    "imurmurhash.js",
+    "imurmurhash.min.js",
+    "package.json",
+    "README.md"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jensyt/imurmurhash-js"
+  },
+  "bugs": {
+    "url": "https://github.com/jensyt/imurmurhash-js/issues"
+  },
+  "keywords": [
+    "murmur",
+    "murmurhash",
+    "murmurhash3",
+    "hash",
+    "incremental"
+  ],
+  "author": {
+    "name": "Jens Taylor",
+    "email": "jensyt@gmail.com",
+    "url": "https://github.com/homebrewing"
+  },
+  "license": "MIT",
+  "dependencies": {
+  },
+  "devDependencies": {
+  },
+  "engines": {
+    "node": ">=0.8.19"
+  }
+}
diff --git a/node_modules/infer-owner/LICENSE b/node_modules/infer-owner/LICENSE
new file mode 100644
index 00000000..20a47625
--- /dev/null
+++ b/node_modules/infer-owner/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) npm, Inc. and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/infer-owner/README.md b/node_modules/infer-owner/README.md
new file mode 100644
index 00000000..146caf7b
--- /dev/null
+++ b/node_modules/infer-owner/README.md
@@ -0,0 +1,41 @@
+# infer-owner
+
+Infer the owner of a path based on the owner of its nearest existing parent
+
+## USAGE
+
+```js
+const inferOwner = require('infer-owner')
+
+inferOwner('/some/cache/folder/file').then(owner => {
+  // owner is {uid, gid} that should be attached to
+  // the /some/cache/folder/file, based on ownership
+  // of /some/cache/folder, /some/cache, /some, or /,
+  // whichever is the first to exist
+})
+
+// same, but not async
+const owner = inferOwner.sync('/some/cache/folder/file')
+
+// results are cached!  to reset the cache (eg, to change
+// permissions for whatever reason), do this:
+inferOwner.clearCache()
+```
+
+This module endeavors to be as performant as possible.  Parallel requests
+for ownership of the same path will only stat the directories one time.
+
+## API
+
+* `inferOwner(path) -> Promise<{ uid, gid }>`
+
+    If the path exists, return its uid and gid.  If it does not, look to
+    its parent, then its grandparent, and so on.
+
+* `inferOwner(path) -> { uid, gid }`
+
+    Sync form of `inferOwner(path)`.
+
+* `inferOwner.clearCache()`
+
+    Delete all cached ownership information and in-flight tracking.
diff --git a/node_modules/infer-owner/index.js b/node_modules/infer-owner/index.js
new file mode 100644
index 00000000..a7bddcbd
--- /dev/null
+++ b/node_modules/infer-owner/index.js
@@ -0,0 +1,71 @@
+const cache = new Map()
+const fs = require('fs')
+const { dirname, resolve } = require('path')
+
+
+const lstat = path => new Promise((res, rej) =>
+  fs.lstat(path, (er, st) => er ? rej(er) : res(st)))
+
+const inferOwner = path => {
+  path = resolve(path)
+  if (cache.has(path))
+    return Promise.resolve(cache.get(path))
+
+  const statThen = st => {
+    const { uid, gid } = st
+    cache.set(path, { uid, gid })
+    return { uid, gid }
+  }
+  const parent = dirname(path)
+  const parentTrap = parent === path ? null : er => {
+    return inferOwner(parent).then((owner) => {
+      cache.set(path, owner)
+      return owner
+    })
+  }
+  return lstat(path).then(statThen, parentTrap)
+}
+
+const inferOwnerSync = path => {
+  path = resolve(path)
+  if (cache.has(path))
+    return cache.get(path)
+
+  const parent = dirname(path)
+
+  // avoid obscuring call site by re-throwing
+  // "catch" the error by returning from a finally,
+  // only if we're not at the root, and the parent call works.
+  let threw = true
+  try {
+    const st = fs.lstatSync(path)
+    threw = false
+    const { uid, gid } = st
+    cache.set(path, { uid, gid })
+    return { uid, gid }
+  } finally {
+    if (threw && parent !== path) {
+      const owner = inferOwnerSync(parent)
+      cache.set(path, owner)
+      return owner // eslint-disable-line no-unsafe-finally
+    }
+  }
+}
+
+const inflight = new Map()
+module.exports = path => {
+  path = resolve(path)
+  if (inflight.has(path))
+    return Promise.resolve(inflight.get(path))
+  const p = inferOwner(path).then(owner => {
+    inflight.delete(path)
+    return owner
+  })
+  inflight.set(path, p)
+  return p
+}
+module.exports.sync = inferOwnerSync
+module.exports.clearCache = () => {
+  cache.clear()
+  inflight.clear()
+}
diff --git a/node_modules/infer-owner/package.json b/node_modules/infer-owner/package.json
new file mode 100644
index 00000000..c4b2b6e6
--- /dev/null
+++ b/node_modules/infer-owner/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "infer-owner",
+  "version": "1.0.4",
+  "description": "Infer the owner of a path based on the owner of its nearest existing parent",
+  "author": "Isaac Z. Schlueter <i@izs.me> (https://izs.me)",
+  "license": "ISC",
+  "scripts": {
+    "test": "tap -J test/*.js --100",
+    "snap": "TAP_SNAPSHOT=1 tap -J test/*.js --100",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --follow-tags"
+  },
+  "devDependencies": {
+    "mutate-fs": "^2.1.1",
+    "tap": "^12.4.2"
+  },
+  "main": "index.js",
+  "repository": "https://github.com/npm/infer-owner",
+  "publishConfig": {
+    "access": "public"
+  },
+  "files": [
+    "index.js"
+  ]
+}
diff --git a/node_modules/inflight/LICENSE b/node_modules/inflight/LICENSE
new file mode 100644
index 00000000..05eeeb88
--- /dev/null
+++ b/node_modules/inflight/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/inflight/README.md b/node_modules/inflight/README.md
new file mode 100644
index 00000000..6dc89291
--- /dev/null
+++ b/node_modules/inflight/README.md
@@ -0,0 +1,37 @@
+# inflight
+
+Add callbacks to requests in flight to avoid async duplication
+
+## USAGE
+
+```javascript
+var inflight = require('inflight')
+
+// some request that does some stuff
+function req(key, callback) {
+  // key is any random string.  like a url or filename or whatever.
+  //
+  // will return either a falsey value, indicating that the
+  // request for this key is already in flight, or a new callback
+  // which when called will call all callbacks passed to inflightk
+  // with the same key
+  callback = inflight(key, callback)
+
+  // If we got a falsey value back, then there's already a req going
+  if (!callback) return
+
+  // this is where you'd fetch the url or whatever
+  // callback is also once()-ified, so it can safely be assigned
+  // to multiple events etc.  First call wins.
+  setTimeout(function() {
+    callback(null, key)
+  }, 100)
+}
+
+// only assigns a single setTimeout
+// when it dings, all cbs get called
+req('foo', cb1)
+req('foo', cb2)
+req('foo', cb3)
+req('foo', cb4)
+```
diff --git a/node_modules/inflight/inflight.js b/node_modules/inflight/inflight.js
new file mode 100644
index 00000000..48202b3c
--- /dev/null
+++ b/node_modules/inflight/inflight.js
@@ -0,0 +1,54 @@
+var wrappy = require('wrappy')
+var reqs = Object.create(null)
+var once = require('once')
+
+module.exports = wrappy(inflight)
+
+function inflight (key, cb) {
+  if (reqs[key]) {
+    reqs[key].push(cb)
+    return null
+  } else {
+    reqs[key] = [cb]
+    return makeres(key)
+  }
+}
+
+function makeres (key) {
+  return once(function RES () {
+    var cbs = reqs[key]
+    var len = cbs.length
+    var args = slice(arguments)
+
+    // XXX It's somewhat ambiguous whether a new callback added in this
+    // pass should be queued for later execution if something in the
+    // list of callbacks throws, or if it should just be discarded.
+    // However, it's such an edge case that it hardly matters, and either
+    // choice is likely as surprising as the other.
+    // As it happens, we do go ahead and schedule it for later execution.
+    try {
+      for (var i = 0; i < len; i++) {
+        cbs[i].apply(null, args)
+      }
+    } finally {
+      if (cbs.length > len) {
+        // added more in the interim.
+        // de-zalgo, just in case, but don't call again.
+        cbs.splice(0, len)
+        process.nextTick(function () {
+          RES.apply(null, args)
+        })
+      } else {
+        delete reqs[key]
+      }
+    }
+  })
+}
+
+function slice (args) {
+  var length = args.length
+  var array = []
+
+  for (var i = 0; i < length; i++) array[i] = args[i]
+  return array
+}
diff --git a/node_modules/inflight/package.json b/node_modules/inflight/package.json
new file mode 100644
index 00000000..6084d350
--- /dev/null
+++ b/node_modules/inflight/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inflight",
+  "version": "1.0.6",
+  "description": "Add callbacks to requests in flight to avoid async duplication",
+  "main": "inflight.js",
+  "files": [
+    "inflight.js"
+  ],
+  "dependencies": {
+    "once": "^1.3.0",
+    "wrappy": "1"
+  },
+  "devDependencies": {
+    "tap": "^7.1.2"
+  },
+  "scripts": {
+    "test": "tap test.js --100"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/inflight.git"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "bugs": {
+    "url": "https://github.com/isaacs/inflight/issues"
+  },
+  "homepage": "https://github.com/isaacs/inflight",
+  "license": "ISC"
+}
diff --git a/node_modules/inherits/LICENSE b/node_modules/inherits/LICENSE
new file mode 100644
index 00000000..dea3013d
--- /dev/null
+++ b/node_modules/inherits/LICENSE
@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/inherits/README.md b/node_modules/inherits/README.md
new file mode 100644
index 00000000..b1c56658
--- /dev/null
+++ b/node_modules/inherits/README.md
@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it
diff --git a/node_modules/inherits/inherits.js b/node_modules/inherits/inherits.js
new file mode 100644
index 00000000..f71f2d93
--- /dev/null
+++ b/node_modules/inherits/inherits.js
@@ -0,0 +1,9 @@
+try {
+  var util = require('util');
+  /* istanbul ignore next */
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  /* istanbul ignore next */
+  module.exports = require('./inherits_browser.js');
+}
diff --git a/node_modules/inherits/inherits_browser.js b/node_modules/inherits/inherits_browser.js
new file mode 100644
index 00000000..86bbb3dc
--- /dev/null
+++ b/node_modules/inherits/inherits_browser.js
@@ -0,0 +1,27 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+          value: ctor,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      })
+    }
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      var TempCtor = function () {}
+      TempCtor.prototype = superCtor.prototype
+      ctor.prototype = new TempCtor()
+      ctor.prototype.constructor = ctor
+    }
+  }
+}
diff --git a/node_modules/inherits/package.json b/node_modules/inherits/package.json
new file mode 100644
index 00000000..37b4366b
--- /dev/null
+++ b/node_modules/inherits/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inherits",
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "version": "2.0.4",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "main": "./inherits.js",
+  "browser": "./inherits_browser.js",
+  "repository": "git://github.com/isaacs/inherits",
+  "license": "ISC",
+  "scripts": {
+    "test": "tap"
+  },
+  "devDependencies": {
+    "tap": "^14.2.4"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ]
+}
diff --git a/node_modules/is-accessor-descriptor/.editorconfig b/node_modules/is-accessor-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/is-accessor-descriptor/.eslintrc b/node_modules/is-accessor-descriptor/.eslintrc
new file mode 100644
index 00000000..1b155fcd
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/.eslintrc
@@ -0,0 +1,23 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"overrides": [
+		{
+			"files": "index.js",
+			"rules": {
+				"complexity": "off",
+				"no-param-reassign": "warn",
+			},
+		},
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"id-length": "off",
+				"getter-return": "off",
+				"max-lines-per-function": "warn",
+			},
+		},
+	],
+}
diff --git a/node_modules/is-accessor-descriptor/.github/FUNDING.yml b/node_modules/is-accessor-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..25f4ee9e
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-accessor-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/is-accessor-descriptor/.nycrc b/node_modules/is-accessor-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/is-accessor-descriptor/CHANGELOG.md b/node_modules/is-accessor-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..be5b184d
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/CHANGELOG.md
@@ -0,0 +1,125 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.0.3](https://github.com/inspect-js/is-accessor-descriptor/compare/v3.0.2...v3.0.3) - 2023-10-25
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `has-property-descriptors`, `tape` [`908044d`](https://github.com/inspect-js/is-accessor-descriptor/commit/908044d05559496cddf61b8f634641e879305f24)
+- [Refactor] use `hasown` [`8b94cc1`](https://github.com/inspect-js/is-accessor-descriptor/commit/8b94cc153ba580143fe27bab0437199e873e58e3)
+
+## [v3.0.2](https://github.com/inspect-js/is-accessor-descriptor/compare/v3.0.1...v3.0.2) - 2023-04-27
+
+### Commits
+
+- [eslint] cleanup [`c0a3a34`](https://github.com/inspect-js/is-accessor-descriptor/commit/c0a3a34eabaed6634dd674600df2c647688d3a31)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`a45de10`](https://github.com/inspect-js/is-accessor-descriptor/commit/a45de10c8020a350df860c2c4fe7697a74cdb943)
+- [readme] clean up docs, URLs, package.json, etc [`d2f3547`](https://github.com/inspect-js/is-accessor-descriptor/commit/d2f354741f4fecc8c0e1ed6a83d351028a2ce2ba)
+- [New] increase support from node 6 down to node 0.4 [`825f88e`](https://github.com/inspect-js/is-accessor-descriptor/commit/825f88e69da75476b638e9879296a37d370ce9fd)
+- [Tests] convert from mocha to tape [`072d097`](https://github.com/inspect-js/is-accessor-descriptor/commit/072d097f5bbe1d6383ec38c13bbe67b491c0c671)
+- [Docs] remove `verb` [`7567b54`](https://github.com/inspect-js/is-accessor-descriptor/commit/7567b54961b87af9ae890584089f5f29f19d8537)
+- [Tests] use `has-property-descriptors` to skip true getter tests in older engines [`0e26d80`](https://github.com/inspect-js/is-accessor-descriptor/commit/0e26d806b7f97e23f287eac39bb352e772ac3f3b)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`3962d00`](https://github.com/inspect-js/is-accessor-descriptor/commit/3962d006fbe65dce0bc0847e278af142829057cb)
+- [Tests] add coverage [`6337da4`](https://github.com/inspect-js/is-accessor-descriptor/commit/6337da417af127694412e5f18ba853f47b9a4270)
+- [meta] switch from `files` field to npmignore; add `exports` [`6e870be`](https://github.com/inspect-js/is-accessor-descriptor/commit/6e870be859d17221b11b8c9f2fcb3e8a1e649598)
+
+## [v3.0.1](https://github.com/inspect-js/is-accessor-descriptor/compare/v3.0.0...v3.0.1) - 2018-12-13
+
+### Commits
+
+- cleanup readme [`5cce1d2`](https://github.com/inspect-js/is-accessor-descriptor/commit/5cce1d212f887f9b4afe2b29dd95d657e1ea210c)
+- remove unnecessary check [`288d4b9`](https://github.com/inspect-js/is-accessor-descriptor/commit/288d4b9f407bd7a01a606456ac40b7c29d7fd407)
+
+## [v3.0.0](https://github.com/inspect-js/is-accessor-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`d01d897`](https://github.com/inspect-js/is-accessor-descriptor/commit/d01d897175f09d3fb285a6bb22e4eb46a46a6045)
+
+## [v2.0.0](https://github.com/inspect-js/is-accessor-descriptor/compare/v1.0.1...v2.0.0) - 2017-12-04
+
+### Commits
+
+- refactor to be stricter [`f7370ef`](https://github.com/inspect-js/is-accessor-descriptor/commit/f7370efe312e338c7f3175d76b973bdd838d0d27)
+- update docs [`fd1764c`](https://github.com/inspect-js/is-accessor-descriptor/commit/fd1764c14dc6bfba668cb502dad57e5e03855ecf)
+
+## [v1.0.1](https://github.com/inspect-js/is-accessor-descriptor/compare/v1.0.0...v1.0.1) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`a05c057`](https://github.com/inspect-js/is-accessor-descriptor/commit/a05c0576662de977798bcba0ffa037a1ffdb9f68)
+- [readme] clean up docs, URLs, package.json, etc [`6648dcd`](https://github.com/inspect-js/is-accessor-descriptor/commit/6648dcde8c01fcb36f7d6aaa3f70e3563df54b67)
+- [meta] update `.gitignore` [`cba0ea0`](https://github.com/inspect-js/is-accessor-descriptor/commit/cba0ea006594dd4583ba671c1643a1e96aaab7ff)
+- [readme] remove verb [`2f07da4`](https://github.com/inspect-js/is-accessor-descriptor/commit/2f07da493d0c824b5738675999ea4a3db541c84e)
+- [Tests] switch to tape [`7e39202`](https://github.com/inspect-js/is-accessor-descriptor/commit/7e392020781a23f4c1276e78da4bf8a798021d85)
+- [Tests] migrate from travis to github actions [`aa436b0`](https://github.com/inspect-js/is-accessor-descriptor/commit/aa436b0bbeb03c1281e816445e4d495e582274c7)
+- [Fix] properly handle an accessor descriptor with only a setter [`04647f4`](https://github.com/inspect-js/is-accessor-descriptor/commit/04647f45870a2d3a78e2ae8adf07b0e9d47e0fc9)
+- [Refactor] properly guard for-in loop [`a0454cc`](https://github.com/inspect-js/is-accessor-descriptor/commit/a0454cca3ea0610c8cf5e0b70bd581689ded929a)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`123e3c3`](https://github.com/inspect-js/is-accessor-descriptor/commit/123e3c3da341a1a397e274805df88ed13646442f)
+- [Refactor] use `hasown` [`7ad36a0`](https://github.com/inspect-js/is-accessor-descriptor/commit/7ad36a05be98c7f0ae3f4dc9b3a3df1fa392c7fd)
+- [readme] fix incorrect example [`3ee754a`](https://github.com/inspect-js/is-accessor-descriptor/commit/3ee754af6cb65c690ccd9ade150b33e8ec2808f8)
+- [Tests] move tests to test dir [`5d70880`](https://github.com/inspect-js/is-accessor-descriptor/commit/5d70880ae2256d1f5927dab02c0bf8fe78cafef3)
+- [Dev Deps] add missing `npmignore` [`97ce4bc`](https://github.com/inspect-js/is-accessor-descriptor/commit/97ce4bca878e775672e3d7349906bd7fc7db5f24)
+- [Robustness] use a null object just in case [`675af5b`](https://github.com/inspect-js/is-accessor-descriptor/commit/675af5b191ebe9e18fb65c0aecb2a5ae65a535e0)
+
+## [v1.0.0](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.6...v1.0.0) - 2017-11-01
+
+### Merged
+
+- Pin mocha to version 3 to support Node 0.12 [`#3`](https://github.com/inspect-js/is-accessor-descriptor/pull/3)
+- Update kind-of to version 6.0 [`#2`](https://github.com/inspect-js/is-accessor-descriptor/pull/2)
+
+### Commits
+
+- run update [`2489800`](https://github.com/inspect-js/is-accessor-descriptor/commit/2489800869cbecf53e9bc3596916abf2e6008edb)
+- run verb to generate readme documentation [`22b0a26`](https://github.com/inspect-js/is-accessor-descriptor/commit/22b0a2617ccbebd131247c29e3700ca860d37d06)
+- remove should [`4b10d2a`](https://github.com/inspect-js/is-accessor-descriptor/commit/4b10d2aa721021d5f7af69c47f49a1691a8c3fcd)
+
+## [v0.1.6](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.5...v0.1.6) - 2015-12-28
+
+### Commits
+
+- update docs [`914d85d`](https://github.com/inspect-js/is-accessor-descriptor/commit/914d85d44b914b8b693889081942bf95ea172914)
+- update related projects [`92679ea`](https://github.com/inspect-js/is-accessor-descriptor/commit/92679eab1c0eb16eef052218e309aa55b10ce606)
+
+## [v0.1.5](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.4...v0.1.5) - 2015-12-28
+
+### Commits
+
+- run update [`139251c`](https://github.com/inspect-js/is-accessor-descriptor/commit/139251c5225d7cdc2b6d16e5c6c713b515643ce8)
+- improve checks for valid/invalid properties [`de1be1e`](https://github.com/inspect-js/is-accessor-descriptor/commit/de1be1e6250ca2f084f5d0ac43fed8dd4f607376)
+- use verb layout, add verb plugin for formatting markdown [`2324242`](https://github.com/inspect-js/is-accessor-descriptor/commit/23242429e18e6f518318cf1568ec53c636bc1085)
+- run verb to generate readme [`84587a4`](https://github.com/inspect-js/is-accessor-descriptor/commit/84587a4269640683049cb06aa75ae9e33165b5fe)
+
+## [v0.1.4](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-20
+
+### Commits
+
+- lint [`d076464`](https://github.com/inspect-js/is-accessor-descriptor/commit/d0764648b3428e7f01303ea7835e25be9d1b5c21)
+- generate docs [`12e2143`](https://github.com/inspect-js/is-accessor-descriptor/commit/12e2143ca3d93ece7ae73ee3fcbdb8952d7c5091)
+
+## [v0.1.3](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.2...v0.1.3) - 2015-10-04
+
+### Commits
+
+- files prop [`0bcef73`](https://github.com/inspect-js/is-accessor-descriptor/commit/0bcef73f2c7c90be7e05f3dd56f02fbe67790897)
+
+## [v0.1.2](https://github.com/inspect-js/is-accessor-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- lazy-cache [`fc6da15`](https://github.com/inspect-js/is-accessor-descriptor/commit/fc6da15ecef4a18c20f102a412d596407bb86a5c)
+- update docs [`943c0cd`](https://github.com/inspect-js/is-accessor-descriptor/commit/943c0cd4d709eff029fa3880560aec27c0d0f458)
+
+## v0.1.1 - 2015-08-31
+
+### Commits
+
+- first commit [`dca2279`](https://github.com/inspect-js/is-accessor-descriptor/commit/dca22793793cf208e65d8daee9d949d76252b647)
+- 0.1.1 readme [`27c92b6`](https://github.com/inspect-js/is-accessor-descriptor/commit/27c92b65b85b9bfb39945d646f223cbfd262ab41)
+- 0.1.1 docs [`09beed6`](https://github.com/inspect-js/is-accessor-descriptor/commit/09beed68a3c5a5ea76128d5faf2933848181750d)
+- lint [`aa03d9b`](https://github.com/inspect-js/is-accessor-descriptor/commit/aa03d9ba1e65e2e71be0add9de75d25cc981e9e2)
diff --git a/node_modules/is-accessor-descriptor/LICENSE b/node_modules/is-accessor-descriptor/LICENSE
new file mode 100644
index 00000000..e33d14b7
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-accessor-descriptor/README.md b/node_modules/is-accessor-descriptor/README.md
new file mode 100644
index 00000000..dde6c003
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/README.md
@@ -0,0 +1,98 @@
+# is-accessor-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+
+## Examples
+
+```js
+var isAccessor = require('is-accessor-descriptor');
+var assert = require('assert');
+
+assert.equal(isAccessor({ get: function() {} }), true);
+```
+
+You may also pass an object and property name to check if the property is an accessor:
+
+```js
+assert.equal(isAccessor({ bar: {} }, 'bar'), true);
+```
+
+## Examples
+
+`false` when not an object
+
+```js
+assert.equal(isAccessor('a'), false);
+assert.equal(isAccessor(null), false);
+```
+
+`true` when the object has valid properties
+
+and the properties all have the correct JavaScript types:
+
+```js
+assert.equal(isAccessor({ get() {}, set() {} }), true);
+assert.equal(isAccessor({ get() {} }), true);
+assert.equal(isAccessor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isAccessor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isAccessor({ get() {}, writable: true }), false);
+assert.equal(isAccessor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+isAccessor({ get() {}, set: 'baz' });
+isAccessor({ get: 'foo', set() {} });
+isAccessor({ get: 'foo', bar: 'baz' });
+isAccessor({ get: 'foo', set: 'baz' });
+//=> false
+```
+
+`false` when a value is not the correct type
+
+```js
+isAccessor({ get() {}, set() {}, enumerable: 'foo' });
+isAccessor({ set() {}, configurable: 'foo' });
+isAccessor({ get() {}, configurable: 'foo' });
+//=> false
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-descriptor](https://www.npmjs.com/package/is-descriptor): Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for… [more](https://github.com/inspect-js/is-descriptor)
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-accessor-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-accessor-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-accessor-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-accessor-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-accessor-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-accessor-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-accessor-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-accessor-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-accessor-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-accessor-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-accessor-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-accessor-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-accessor-descriptor
+[actions-url]: https://github.com/inspect-js/is-accessor-descriptor/actions
diff --git a/node_modules/is-accessor-descriptor/index.js b/node_modules/is-accessor-descriptor/index.js
new file mode 100644
index 00000000..64e46d55
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/index.js
@@ -0,0 +1,50 @@
+'use strict';
+
+var hasOwn = require('hasown');
+
+// accessor descriptor properties
+var accessor = {
+	__proto__: null,
+	configurable: 'boolean',
+	enumerable: 'boolean',
+	get: 'function',
+	set: 'function'
+};
+
+module.exports = function isAccessorDescriptor(obj, prop) {
+	if (typeof prop === 'string') {
+		var val = Object.getOwnPropertyDescriptor(obj, prop);
+		return typeof val !== 'undefined';
+	}
+
+	if (!obj || typeof obj !== 'object') {
+		return false;
+	}
+
+	if (hasOwn(obj, 'value') || hasOwn(obj, 'writable')) {
+		return false;
+	}
+
+	// one of them must be a function
+	if (
+		(!hasOwn(obj, 'get') || typeof obj.get !== 'function')
+		&& (!hasOwn(obj, 'set') || typeof obj.set !== 'function')
+	) {
+		return false;
+	}
+
+	// both of them must be a function or undefined
+	if (
+		(hasOwn(obj, 'get') && typeof obj.get !== 'function' && typeof obj.get !== 'undefined')
+		|| (hasOwn(obj, 'set') && typeof obj.set !== 'function' && typeof obj.set !== 'undefined')
+	) {
+		return false;
+	}
+
+	for (var key in obj) { // eslint-disable-line no-restricted-syntax
+		if (hasOwn(obj, key) && hasOwn(accessor, key) && typeof obj[key] !== accessor[key] && typeof obj[key] !== 'undefined') {
+			return false;
+		}
+	}
+	return true;
+};
diff --git a/node_modules/is-accessor-descriptor/package.json b/node_modules/is-accessor-descriptor/package.json
new file mode 100644
index 00000000..ec2433e0
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/package.json
@@ -0,0 +1,79 @@
+{
+	"name": "is-accessor-descriptor",
+	"version": "1.0.1",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-accessor-descriptor.git"
+	},
+	"keywords": [
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-accessor-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-accessor-descriptor",
+	"contributors": [
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"Rouven Weßling (www.rouvenwessling.de)"
+	],
+	"dependencies": {
+		"hasown": "^2.0.0"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.10"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/is-accessor-descriptor/test/index.js b/node_modules/is-accessor-descriptor/test/index.js
new file mode 100644
index 00000000..a07b0190
--- /dev/null
+++ b/node_modules/is-accessor-descriptor/test/index.js
@@ -0,0 +1,62 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('value type', function (st) {
+		st.notOk(isDescriptor('a'), 'string is not a descriptor');
+		st.notOk(isDescriptor(null), 'null is not a descriptor');
+		st.notOk(isDescriptor([]), 'Array is not a descriptor');
+
+		st.end();
+	});
+
+	t.test('is false when the object has data descriptor properties:', function (st) {
+		st.notOk(isDescriptor({ get: noop, writable: true }));
+		st.notOk(isDescriptor({ get: noop, value: true }));
+
+		st.end();
+	});
+
+	t.test('is not false when unrecognized properties are defined:', function (st) {
+		st.ok(isDescriptor({ get: noop, foo: true }));
+		st.ok(isDescriptor({ get: noop, bar: true }));
+
+		st.end();
+	});
+
+	t.test('is false when a get or set are not functions:', function (st) {
+		st.notOk(isDescriptor({ get: noop, set: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo', set: noop }));
+		st.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo' }));
+
+		st.end();
+	});
+
+	t.test('is true when "get" is not defined:', function (st) {
+		st.ok(isDescriptor({ set: noop }));
+
+		st.end();
+	});
+
+	t.test('is true when the object has valid properties:', function (st) {
+		st.ok(isDescriptor({ get: noop, set: noop }));
+		st.ok(isDescriptor({ get: noop }));
+
+		st.end();
+	});
+
+	t.test('is false when a value is not the correct type:', function (st) {
+		st.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+		st.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+		st.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/is-binary-path/index.d.ts b/node_modules/is-binary-path/index.d.ts
new file mode 100644
index 00000000..19dcd432
--- /dev/null
+++ b/node_modules/is-binary-path/index.d.ts
@@ -0,0 +1,17 @@
+/**
+Check if a file path is a binary file.
+
+@example
+```
+import isBinaryPath = require('is-binary-path');
+
+isBinaryPath('source/unicorn.png');
+//=> true
+
+isBinaryPath('source/unicorn.txt');
+//=> false
+```
+*/
+declare function isBinaryPath(filePath: string): boolean;
+
+export = isBinaryPath;
diff --git a/node_modules/is-binary-path/index.js b/node_modules/is-binary-path/index.js
new file mode 100644
index 00000000..ef7548c8
--- /dev/null
+++ b/node_modules/is-binary-path/index.js
@@ -0,0 +1,7 @@
+'use strict';
+const path = require('path');
+const binaryExtensions = require('binary-extensions');
+
+const extensions = new Set(binaryExtensions);
+
+module.exports = filePath => extensions.has(path.extname(filePath).slice(1).toLowerCase());
diff --git a/node_modules/is-binary-path/license b/node_modules/is-binary-path/license
new file mode 100644
index 00000000..401b1c73
--- /dev/null
+++ b/node_modules/is-binary-path/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) 2019 Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com), Paul Miller (https://paulmillr.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/is-binary-path/package.json b/node_modules/is-binary-path/package.json
new file mode 100644
index 00000000..a8d005ae
--- /dev/null
+++ b/node_modules/is-binary-path/package.json
@@ -0,0 +1,40 @@
+{
+	"name": "is-binary-path",
+	"version": "2.1.0",
+	"description": "Check if a file path is a binary file",
+	"license": "MIT",
+	"repository": "sindresorhus/is-binary-path",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"binary",
+		"extensions",
+		"extension",
+		"file",
+		"path",
+		"check",
+		"detect",
+		"is"
+	],
+	"dependencies": {
+		"binary-extensions": "^2.0.0"
+	},
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/node_modules/is-binary-path/readme.md b/node_modules/is-binary-path/readme.md
new file mode 100644
index 00000000..b4ab0251
--- /dev/null
+++ b/node_modules/is-binary-path/readme.md
@@ -0,0 +1,34 @@
+# is-binary-path [![Build Status](https://travis-ci.org/sindresorhus/is-binary-path.svg?branch=master)](https://travis-ci.org/sindresorhus/is-binary-path)
+
+> Check if a file path is a binary file
+
+
+## Install
+
+```
+$ npm install is-binary-path
+```
+
+
+## Usage
+
+```js
+const isBinaryPath = require('is-binary-path');
+
+isBinaryPath('source/unicorn.png');
+//=> true
+
+isBinaryPath('source/unicorn.txt');
+//=> false
+```
+
+
+## Related
+
+- [binary-extensions](https://github.com/sindresorhus/binary-extensions) - List of binary file extensions
+- [is-text-path](https://github.com/sindresorhus/is-text-path) - Check if a filepath is a text file
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com), [Paul Miller](https://paulmillr.com)
diff --git a/node_modules/is-buffer/LICENSE b/node_modules/is-buffer/LICENSE
new file mode 100644
index 00000000..0c068cee
--- /dev/null
+++ b/node_modules/is-buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-buffer/README.md b/node_modules/is-buffer/README.md
new file mode 100644
index 00000000..cce0a8cf
--- /dev/null
+++ b/node_modules/is-buffer/README.md
@@ -0,0 +1,53 @@
+# is-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/is-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/is-buffer
+[npm-image]: https://img.shields.io/npm/v/is-buffer.svg
+[npm-url]: https://npmjs.org/package/is-buffer
+[downloads-image]: https://img.shields.io/npm/dm/is-buffer.svg
+[downloads-url]: https://npmjs.org/package/is-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Determine if an object is a [`Buffer`](http://nodejs.org/api/buffer.html) (including the [browserify Buffer](https://github.com/feross/buffer))
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/is-buffer.svg
+[saucelabs-url]: https://saucelabs.com/u/is-buffer
+
+## Why not use `Buffer.isBuffer`?
+
+This module lets you check if an object is a `Buffer` without using `Buffer.isBuffer` (which includes the whole [buffer](https://github.com/feross/buffer) module in [browserify](http://browserify.org/)).
+
+It's future-proof and works in node too!
+
+## install
+
+```bash
+npm install is-buffer
+```
+
+## usage
+
+```js
+var isBuffer = require('is-buffer')
+
+isBuffer(new Buffer(4)) // true
+
+isBuffer(undefined) // false
+isBuffer(null) // false
+isBuffer('') // false
+isBuffer(true) // false
+isBuffer(false) // false
+isBuffer(0) // false
+isBuffer(1) // false
+isBuffer(1.0) // false
+isBuffer('string') // false
+isBuffer({}) // false
+isBuffer(function foo () {}) // false
+```
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org).
diff --git a/node_modules/is-buffer/index.js b/node_modules/is-buffer/index.js
new file mode 100644
index 00000000..9cce3965
--- /dev/null
+++ b/node_modules/is-buffer/index.js
@@ -0,0 +1,21 @@
+/*!
+ * Determine if an object is a Buffer
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+module.exports = function (obj) {
+  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
+}
+
+function isBuffer (obj) {
+  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
+
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
+}
diff --git a/node_modules/is-buffer/package.json b/node_modules/is-buffer/package.json
new file mode 100644
index 00000000..ea12137a
--- /dev/null
+++ b/node_modules/is-buffer/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-buffer",
+  "description": "Determine if an object is a Buffer",
+  "version": "1.1.6",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "http://feross.org/"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/is-buffer/issues"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^4.0.0",
+    "zuul": "^3.0.0"
+  },
+  "keywords": [
+    "buffer",
+    "buffers",
+    "type",
+    "core buffer",
+    "browser buffer",
+    "browserify",
+    "typed array",
+    "uint32array",
+    "int16array",
+    "int32array",
+    "float32array",
+    "float64array",
+    "browser",
+    "arraybuffer",
+    "dataview"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/is-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && npm run test-node && npm run test-browser",
+    "test-browser": "zuul -- test/*.js",
+    "test-browser-local": "zuul --local -- test/*.js",
+    "test-node": "tape test/*.js"
+  },
+  "testling": {
+    "files": "test/*.js"
+  }
+}
diff --git a/node_modules/is-buffer/test/basic.js b/node_modules/is-buffer/test/basic.js
new file mode 100644
index 00000000..be4f8e43
--- /dev/null
+++ b/node_modules/is-buffer/test/basic.js
@@ -0,0 +1,24 @@
+var isBuffer = require('../')
+var test = require('tape')
+
+test('is-buffer', function (t) {
+  t.equal(isBuffer(Buffer.alloc(4)), true, 'new Buffer(4)')
+  t.equal(isBuffer(Buffer.allocUnsafeSlow(100)), true, 'SlowBuffer(100)')
+
+  t.equal(isBuffer(undefined), false, 'undefined')
+  t.equal(isBuffer(null), false, 'null')
+  t.equal(isBuffer(''), false, 'empty string')
+  t.equal(isBuffer(true), false, 'true')
+  t.equal(isBuffer(false), false, 'false')
+  t.equal(isBuffer(0), false, '0')
+  t.equal(isBuffer(1), false, '1')
+  t.equal(isBuffer(1.0), false, '1.0')
+  t.equal(isBuffer('string'), false, 'string')
+  t.equal(isBuffer({}), false, '{}')
+  t.equal(isBuffer([]), false, '[]')
+  t.equal(isBuffer(function foo () {}), false, 'function foo () {}')
+  t.equal(isBuffer({ isBuffer: null }), false, '{ isBuffer: null }')
+  t.equal(isBuffer({ isBuffer: function () { throw new Error() } }), false, '{ isBuffer: function () { throw new Error() } }')
+
+  t.end()
+})
diff --git a/node_modules/is-data-descriptor/.editorconfig b/node_modules/is-data-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/is-data-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/is-data-descriptor/.eslintrc b/node_modules/is-data-descriptor/.eslintrc
new file mode 100644
index 00000000..a3e0df3f
--- /dev/null
+++ b/node_modules/is-data-descriptor/.eslintrc
@@ -0,0 +1,15 @@
+{
+	"root": true,
+
+	"extends": "@ljharb/eslint-config/node/0.4",
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "warn",
+				"max-nested-callbacks": "warn",
+			},
+		},
+	],
+}
diff --git a/node_modules/is-data-descriptor/.github/FUNDING.yml b/node_modules/is-data-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..156c8d7b
--- /dev/null
+++ b/node_modules/is-data-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-data-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/is-data-descriptor/.nycrc b/node_modules/is-data-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/is-data-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/is-data-descriptor/CHANGELOG.md b/node_modules/is-data-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..3e1ca8d7
--- /dev/null
+++ b/node_modules/is-data-descriptor/CHANGELOG.md
@@ -0,0 +1,109 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v2.1.2](https://github.com/inspect-js/is-data-descriptor/compare/v2.1.1...v2.1.2) - 2023-10-25
+
+### Commits
+
+- [Refactor] use `hasown` [`77ad812`](https://github.com/inspect-js/is-data-descriptor/commit/77ad8129c7543f6826e2cbcadc015cc815ef94b7)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`88f2cb7`](https://github.com/inspect-js/is-data-descriptor/commit/88f2cb744242131a98086967ea4a3c5d42c6fa77)
+
+## [v2.1.1](https://github.com/inspect-js/is-data-descriptor/compare/v2.1.0...v2.1.1) - 2023-04-27
+
+### Commits
+
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`72692d3`](https://github.com/inspect-js/is-data-descriptor/commit/72692d3c1184e4d1f11faecbc9446b21cf5610a1)
+- [readme] remove empty section [`72ec85b`](https://github.com/inspect-js/is-data-descriptor/commit/72ec85b9c4d781d551f19e595cca91b5f933d90d)
+
+## [v2.1.0](https://github.com/inspect-js/is-data-descriptor/compare/v2.0.0...v2.1.0) - 2023-04-27
+
+### Commits
+
+- [eslint] cleanup [`c18a236`](https://github.com/inspect-js/is-data-descriptor/commit/c18a23640c00f32fca39112381b5cabdaa6a9a55)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5758410`](https://github.com/inspect-js/is-data-descriptor/commit/5758410ec503add0727f2215633e5b1998c21293)
+- [readme] clean up docs, URLs, package.json, etc [`28f61dd`](https://github.com/inspect-js/is-data-descriptor/commit/28f61dd676d8661ca7468e091ddf2e22bf4a8da2)
+- [Docs] remove verb [`e20d28c`](https://github.com/inspect-js/is-data-descriptor/commit/e20d28cc86ce8a7cbc4beb0f306e5a4034b6d704)
+- [Tests] convert from mocha to tape [`666c175`](https://github.com/inspect-js/is-data-descriptor/commit/666c1755f29668098dc07fbda0eb1d354a4da640)
+- [New] increase support from node 6 down to node 0.4 [`aa43b69`](https://github.com/inspect-js/is-data-descriptor/commit/aa43b699b4a53b97e7af13f4d49eb7a21d253d99)
+- [Tests] add coverage [`8f094f6`](https://github.com/inspect-js/is-data-descriptor/commit/8f094f6809514862f367c07bd879f2de42f4d9d0)
+- [meta] switch from `files` field to npmignore; add `exports` [`2769e1d`](https://github.com/inspect-js/is-data-descriptor/commit/2769e1d408330b05331a40216e7a6bdce2322f69)
+- [Deps] remove unused `kind-of` [`bc87bcd`](https://github.com/inspect-js/is-data-descriptor/commit/bc87bcd5f9abfa3ac8bcd2daf85ca9c380cb225d)
+
+## [v2.0.0](https://github.com/inspect-js/is-data-descriptor/compare/v1.0.1...v2.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`8dcc492`](https://github.com/inspect-js/is-data-descriptor/commit/8dcc492bfb8e6d5b7964c1c566cdfe27ffbd8b0a)
+
+## [v1.0.1](https://github.com/inspect-js/is-data-descriptor/compare/v1.0.0...v1.0.1) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`65fed07`](https://github.com/inspect-js/is-data-descriptor/commit/65fed07b2dde027da64f303c21a44a4375a2e2bd)
+- [readme] clean up readme, remove verb [`10ad663`](https://github.com/inspect-js/is-data-descriptor/commit/10ad663093b0ed9c9c0c13c6db4ead4351b8670e)
+- [meta] clean up package.json [`7f76a01`](https://github.com/inspect-js/is-data-descriptor/commit/7f76a015050fc87e9b394440c3b5283cf55b2c82)
+- [meta] update `.gitignore` [`a2ca593`](https://github.com/inspect-js/is-data-descriptor/commit/a2ca593bb1173e73f23eb401e455249c71c2eda8)
+- [Tests] switch to tape [`70540e5`](https://github.com/inspect-js/is-data-descriptor/commit/70540e5449ef3239051d4e40dce8a5a1978d1634)
+- [Tests] migrate from travis to github actions [`eee138d`](https://github.com/inspect-js/is-data-descriptor/commit/eee138d84d57191310acf3e7fdc83f5951570188)
+- [Fix] properly return false for an accessor descriptor [`2c213cd`](https://github.com/inspect-js/is-data-descriptor/commit/2c213cd67d558c169a02892dc52592ca1d5d8f40)
+- [Performance] move data object to module level [`37688a1`](https://github.com/inspect-js/is-data-descriptor/commit/37688a1653f3a2a364f14bb396803413cb435963)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`197c77a`](https://github.com/inspect-js/is-data-descriptor/commit/197c77a39c53d12d7a091bcc029fcf7d75ce3a26)
+- Only apps should have lockfiles [`20aa6e5`](https://github.com/inspect-js/is-data-descriptor/commit/20aa6e513aeb4bb84be63e278ce073c860deeade)
+- [Robustness] switch to `hasown` [`aa48e2f`](https://github.com/inspect-js/is-data-descriptor/commit/aa48e2f61b3fb29e80cf655618d1573a21e8433e)
+- [Fix] properly guard for-in loop [`014971e`](https://github.com/inspect-js/is-data-descriptor/commit/014971ea90715c2675511b89d05df00d4be10ecf)
+- [Robustness] use a null object just in case [`ab05aad`](https://github.com/inspect-js/is-data-descriptor/commit/ab05aad03368d202505c4acde07ebc22f8da128d)
+
+## [v1.0.0](https://github.com/inspect-js/is-data-descriptor/compare/v0.1.4...v1.0.0) - 2017-11-01
+
+### Merged
+
+- Update kind-of to version 6.0 [`#1`](https://github.com/inspect-js/is-data-descriptor/pull/1)
+- Pin mocha to version 3 to support Node 0.12 [`#2`](https://github.com/inspect-js/is-data-descriptor/pull/2)
+
+### Commits
+
+- run update [`63e5992`](https://github.com/inspect-js/is-data-descriptor/commit/63e5992c6b953d652952cecb93468897ae8e5e29)
+- update verb, generate readme documentation [`42dcba2`](https://github.com/inspect-js/is-data-descriptor/commit/42dcba2627fe655daa21aec843ca8de849f26cd6)
+- minor edits [`23164cb`](https://github.com/inspect-js/is-data-descriptor/commit/23164cbc3496f7b13ec470781f05636ef610eecb)
+
+## [v0.1.4](https://github.com/inspect-js/is-data-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Fixed
+
+- fixes https://github.com/jonschlinkert/is-descriptor/issues/2 [`#2`](https://github.com/jonschlinkert/is-descriptor/issues/2)
+
+### Commits
+
+- lint [`6d69a34`](https://github.com/inspect-js/is-data-descriptor/commit/6d69a34001d6191d7874cd28aebcdc5441f06f70)
+- lint, update lazy-cache [`58bcd4e`](https://github.com/inspect-js/is-data-descriptor/commit/58bcd4ea72f000c83fb167024cf116d4c357440e)
+- generate docs with verb [`e6317db`](https://github.com/inspect-js/is-data-descriptor/commit/e6317dbcb27a95281a60120bac83f5938dda4e2c)
+- update docs [`fb2e768`](https://github.com/inspect-js/is-data-descriptor/commit/fb2e7689724ad948673734865999051aec2da552)
+- generate docs [`bd0ea52`](https://github.com/inspect-js/is-data-descriptor/commit/bd0ea52c7a80223bedc90aadd43e466169907c2a)
+- adds verb plugin [`7657b81`](https://github.com/inspect-js/is-data-descriptor/commit/7657b8188aa6fd003586bdb4e791e02dce21bc99)
+
+## [v0.1.3](https://github.com/inspect-js/is-data-descriptor/compare/v0.1.2...v0.1.3) - 2015-10-04
+
+### Commits
+
+- files prop [`b0b7700`](https://github.com/inspect-js/is-data-descriptor/commit/b0b77004c51fec564e68bf6ff89fd4a169915d5b)
+
+## [v0.1.2](https://github.com/inspect-js/is-data-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- lazy-cache [`49a868c`](https://github.com/inspect-js/is-data-descriptor/commit/49a868c410a1651367315763e24c796e0b5127ce)
+- update readme [`936d3f4`](https://github.com/inspect-js/is-data-descriptor/commit/936d3f4327f782c9e0d0ef120c68a81bb987ce72)
+
+## v0.1.1 - 2015-08-31
+
+### Commits
+
+- first commit [`a1915ae`](https://github.com/inspect-js/is-data-descriptor/commit/a1915ae8a9a4a633d18630102264d266b6e08f08)
+- 0.1.1 readme [`8fd6ad0`](https://github.com/inspect-js/is-data-descriptor/commit/8fd6ad0e1b49fa4a22293bfdd807762863afbd5e)
+- 0.1.1 docs [`5e54369`](https://github.com/inspect-js/is-data-descriptor/commit/5e543699944b7ee5fe091399dc4186bcace47e3e)
+- 0.1.1 docs [`8ec34af`](https://github.com/inspect-js/is-data-descriptor/commit/8ec34af8e80d0f8e386c6bff57e2e4b18d4e0afb)
+- lint [`d265658`](https://github.com/inspect-js/is-data-descriptor/commit/d265658d986a688bf217461ca9c24d9c5300bdc8)
diff --git a/node_modules/is-data-descriptor/LICENSE b/node_modules/is-data-descriptor/LICENSE
new file mode 100644
index 00000000..e33d14b7
--- /dev/null
+++ b/node_modules/is-data-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-data-descriptor/README.md b/node_modules/is-data-descriptor/README.md
new file mode 100644
index 00000000..1ca46bd9
--- /dev/null
+++ b/node_modules/is-data-descriptor/README.md
@@ -0,0 +1,112 @@
+# is-data-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+
+## Install
+
+Install with [npm](https://npmjs.com/):
+
+```sh
+$ npm install --save is-data-descriptor
+```
+
+## Usage
+
+```js
+var isDataDesc = require('is-data-descriptor');
+var assert = require('assert');
+```
+
+## Examples
+
+`true` when the descriptor has valid properties with valid values.
+
+```js
+// `value` can be anything
+assert.equal(isDataDesc({ value: 'foo' }), true);
+assert.equal(isDataDesc({ value: function () {} }), true);
+assert.equal(isDataDesc({ value: true }), true);
+```
+
+`false` when not an object
+
+```js
+assert.equal(isDataDesc('a'), false);
+assert.equal(isDataDesc(null), false);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDataDesc({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDataDesc({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDataDesc({ value: 'foo', get() {} }), false);
+assert.equal(isDataDesc({ get() {}, value: 'foo' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDataDesc({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDataDesc({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDataDesc({ value: 'foo', writable: 'foo' }), false);
+```
+
+## Valid properties
+
+The only valid data descriptor properties are the following:
+
+* `configurable` (required)
+* `enumerable` (required)
+* `value` (optional)
+* `writable` (optional)
+
+To be a valid data descriptor, either `value` or `writable` must be defined.
+
+**Invalid properties**
+
+A descriptor may have additional _invalid_ properties (an error will **not** be thrown).
+
+```js
+var foo = {};
+
+Object.defineProperty(foo, 'bar', {
+	enumerable: true,
+	whatever: 'blah', // invalid, but doesn't cause an error
+	get() {
+		return 'baz';
+	}
+});
+
+assert.equal(foo.bar, 'baz');
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://npmjs.com/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-descriptor](https://npmjs.com/is-descriptor): Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for… [more](https://npmjs.com/is-descriptor)
+
+[package-url]: https://npmjs.org/package/is-data-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-data-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-data-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-data-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-data-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-data-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-data-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-data-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-data-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-data-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-data-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-data-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-data-descriptor
+[actions-url]: https://github.com/inspect-js/is-data-descriptor/actions
diff --git a/node_modules/is-data-descriptor/index.js b/node_modules/is-data-descriptor/index.js
new file mode 100644
index 00000000..6d801de9
--- /dev/null
+++ b/node_modules/is-data-descriptor/index.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var hasOwn = require('hasown');
+
+// data descriptor properties
+var data = {
+	__proto__: null,
+	configurable: 'boolean',
+	enumerable: 'boolean',
+	writable: 'boolean',
+};
+
+module.exports = function isDataDescriptor(obj, prop) {
+	if (!obj || typeof obj !== 'object') {
+		return false;
+	}
+
+	if (typeof prop === 'string') {
+		var val = Object.getOwnPropertyDescriptor(obj, prop);
+		return typeof val !== 'undefined';
+	}
+
+	if (
+		(!('value' in obj) && !('writable' in obj))
+		|| 'get' in obj
+		|| 'set' in obj
+	) {
+		return false;
+	}
+
+	for (var key in obj) { // eslint-disable-line no-restricted-syntax
+		if (
+			key !== 'value'
+			&& hasOwn(obj, key)
+			&& hasOwn(data, key)
+			&& typeof obj[key] !== data[key]
+			&& typeof obj[key] !== 'undefined'
+		) {
+			return false;
+		}
+	}
+	return true;
+};
diff --git a/node_modules/is-data-descriptor/package.json b/node_modules/is-data-descriptor/package.json
new file mode 100644
index 00000000..dc7dd932
--- /dev/null
+++ b/node_modules/is-data-descriptor/package.json
@@ -0,0 +1,87 @@
+{
+	"name": "is-data-descriptor",
+	"version": "1.0.1",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript data descriptor.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"prelint": "evalmd README.md",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-data-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-data-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-data-descriptor",
+	"contributors": [
+		"Jordan Harband (https://github.com/ljharb)",
+		"Jon Schlinkert (https://twitter.com/jonschlinkert)",
+		"Rouven Weßling (www.rouvenwessling.de)"
+	],
+	"dependencies": {
+		"hasown": "^2.0.0"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/is-data-descriptor/test/index.js b/node_modules/is-data-descriptor/test/index.js
new file mode 100644
index 00000000..0859518b
--- /dev/null
+++ b/node_modules/is-data-descriptor/test/index.js
@@ -0,0 +1,67 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('value type', function (st) {
+		st.notOk(isDescriptor('a'), 'string is not a descriptor');
+		st.notOk(isDescriptor(null), 'null is not a descriptor');
+
+		st.end();
+	});
+
+	t.test('should not be false when the object has unknown properties:', function (st) {
+		st.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+		st.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+		st.end();
+	});
+
+	t.test('should be false when the object has accessor properties', function (st) {
+		st.notOk(isDescriptor({ value: 'foo', get: noop }));
+		st.notOk(isDescriptor({ set: noop, value: noop }));
+
+		st.end();
+	});
+
+	t.test('should be true when the object has valid data-descriptor properties', function (st) {
+		st.ok(isDescriptor({ value: 'foo' }));
+		st.ok(isDescriptor({ value: noop }));
+
+		st.end();
+	});
+
+	t.test('should be false when valid properties are invalid types', function (st) {
+		st.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+		st.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+		st.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+		st.end();
+	});
+
+	t.test('should be true when a value is a valid data descriptor', function (st) {
+		st.ok(isDescriptor({ value: 'foo' }));
+		st.ok(isDescriptor({ writable: true }));
+
+		st.end();
+	});
+
+	t.test('should be false when the value is not a valid descriptor', function (st) {
+		st.notOk(isDescriptor('foo'));
+		st.notOk(isDescriptor({}));
+		st.notOk(isDescriptor({ configurable: true }));
+		st.notOk(isDescriptor({ enumerable: true }));
+		st.notOk(isDescriptor({
+			get: undefined,
+			set: undefined,
+			enumerable: true,
+			configurable: true,
+		}));
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/is-descriptor/.editorconfig b/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/is-descriptor/.eslintrc b/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/is-descriptor/.gitattributes b/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/is-descriptor/.nycrc b/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/is-descriptor/CHANGELOG.md b/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..0564264f
--- /dev/null
+++ b/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,121 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v1.0.0) - 2017-02-25
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/is-descriptor/LICENSE b/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/is-descriptor/README.md b/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/is-descriptor/index.js b/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/is-descriptor/package.json b/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..2c35d2b4
--- /dev/null
+++ b/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "1.0.3",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/is-descriptor/test/index.js b/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/is-extendable/LICENSE b/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/is-extendable/README.md b/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..875b56a7
--- /dev/null
+++ b/node_modules/is-extendable/README.md
@@ -0,0 +1,88 @@
+# is-extendable [![NPM version](https://img.shields.io/npm/v/is-extendable.svg?style=flat)](https://www.npmjs.com/package/is-extendable) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-extendable.svg?style=flat)](https://npmjs.org/package/is-extendable) [![NPM total downloads](https://img.shields.io/npm/dt/is-extendable.svg?style=flat)](https://npmjs.org/package/is-extendable) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/is-extendable.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/is-extendable)
+
+> Returns true if a value is a plain object, array or function.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-extendable
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* array
+* plain object
+* function
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is a plain object, function or array
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Release history
+
+### v1.0.0 - 2017/07/20
+
+**Breaking changes**
+
+* No longer considers date, regex or error objects to be extendable
+
+## About
+
+### Related projects
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target (first) object.")
+* [is-equal-shallow](https://www.npmjs.com/package/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ. | [homepage](https://github.com/jonschlinkert/is-equal-shallow "Does a shallow comparison of two objects, returning false if the keys or values differ.")
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 20, 2017._
\ No newline at end of file
diff --git a/node_modules/is-extendable/index.d.ts b/node_modules/is-extendable/index.d.ts
new file mode 100644
index 00000000..b96d5075
--- /dev/null
+++ b/node_modules/is-extendable/index.d.ts
@@ -0,0 +1,5 @@
+export = isExtendable;
+
+declare function isExtendable(val: any): boolean;
+
+declare namespace isExtendable {}
diff --git a/node_modules/is-extendable/index.js b/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..a8b26ad0
--- /dev/null
+++ b/node_modules/is-extendable/index.js
@@ -0,0 +1,14 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isPlainObject = require('is-plain-object');
+
+module.exports = function isExtendable(val) {
+  return isPlainObject(val) || typeof val === 'function' || Array.isArray(val);
+};
diff --git a/node_modules/is-extendable/package.json b/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..2aaab65a
--- /dev/null
+++ b/node_modules/is-extendable/package.json
@@ -0,0 +1,67 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is a plain object, array or function.",
+  "version": "1.0.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "main": "index.js",
+  "types": "index.d.ts",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-plain-object": "^2.0.4"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.4.2"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extendable",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "assign-deep",
+        "is-equal-shallow",
+        "is-plain-object",
+        "isobject",
+        "kind-of"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/is-extglob/LICENSE b/node_modules/is-extglob/LICENSE
new file mode 100644
index 00000000..842218cf
--- /dev/null
+++ b/node_modules/is-extglob/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-extglob/README.md b/node_modules/is-extglob/README.md
new file mode 100644
index 00000000..0416af5c
--- /dev/null
+++ b/node_modules/is-extglob/README.md
@@ -0,0 +1,107 @@
+# is-extglob [![NPM version](https://img.shields.io/npm/v/is-extglob.svg?style=flat)](https://www.npmjs.com/package/is-extglob) [![NPM downloads](https://img.shields.io/npm/dm/is-extglob.svg?style=flat)](https://npmjs.org/package/is-extglob) [![Build Status](https://img.shields.io/travis/jonschlinkert/is-extglob.svg?style=flat)](https://travis-ci.org/jonschlinkert/is-extglob)
+
+> Returns true if a string has an extglob.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-extglob
+```
+
+## Usage
+
+```js
+var isExtglob = require('is-extglob');
+```
+
+**True**
+
+```js
+isExtglob('?(abc)');
+isExtglob('@(abc)');
+isExtglob('!(abc)');
+isExtglob('*(abc)');
+isExtglob('+(abc)');
+```
+
+**False**
+
+Escaped extglobs:
+
+```js
+isExtglob('\\?(abc)');
+isExtglob('\\@(abc)');
+isExtglob('\\!(abc)');
+isExtglob('\\*(abc)');
+isExtglob('\\+(abc)');
+```
+
+Everything else...
+
+```js
+isExtglob('foo.js');
+isExtglob('!foo.js');
+isExtglob('*.js');
+isExtglob('**/abc.js');
+isExtglob('abc/*.js');
+isExtglob('abc/(aaa|bbb).js');
+isExtglob('abc/[a-z].js');
+isExtglob('abc/{a,b}.js');
+isExtglob('abc/?.js');
+isExtglob('abc.js');
+isExtglob('abc/def/ghi.js');
+```
+
+## History
+
+**v2.0**
+
+Adds support for escaping. Escaped exglobs no longer return true.
+
+## About
+
+### Related projects
+
+* [has-glob](https://www.npmjs.com/package/has-glob): Returns `true` if an array has a glob pattern. | [homepage](https://github.com/jonschlinkert/has-glob "Returns `true` if an array has a glob pattern.")
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/is-extglob/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.31, on October 12, 2016._
\ No newline at end of file
diff --git a/node_modules/is-extglob/index.js b/node_modules/is-extglob/index.js
new file mode 100644
index 00000000..c1d986fc
--- /dev/null
+++ b/node_modules/is-extglob/index.js
@@ -0,0 +1,20 @@
+/*!
+ * is-extglob <https://github.com/jonschlinkert/is-extglob>
+ *
+ * Copyright (c) 2014-2016, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+module.exports = function isExtglob(str) {
+  if (typeof str !== 'string' || str === '') {
+    return false;
+  }
+
+  var match;
+  while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) {
+    if (match[2]) return true;
+    str = str.slice(match.index + match[0].length);
+  }
+
+  return false;
+};
diff --git a/node_modules/is-extglob/package.json b/node_modules/is-extglob/package.json
new file mode 100644
index 00000000..7a908369
--- /dev/null
+++ b/node_modules/is-extglob/package.json
@@ -0,0 +1,69 @@
+{
+  "name": "is-extglob",
+  "description": "Returns true if a string has an extglob.",
+  "version": "2.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extglob",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extglob",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extglob/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.10",
+    "mocha": "^3.0.2"
+  },
+  "keywords": [
+    "bash",
+    "braces",
+    "check",
+    "exec",
+    "expression",
+    "extglob",
+    "glob",
+    "globbing",
+    "globstar",
+    "is",
+    "match",
+    "matches",
+    "pattern",
+    "regex",
+    "regular",
+    "string",
+    "test"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "has-glob",
+        "is-glob",
+        "micromatch"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/is-glob/LICENSE b/node_modules/is-glob/LICENSE
new file mode 100644
index 00000000..3f2eca18
--- /dev/null
+++ b/node_modules/is-glob/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-glob/README.md b/node_modules/is-glob/README.md
new file mode 100644
index 00000000..740724b2
--- /dev/null
+++ b/node_modules/is-glob/README.md
@@ -0,0 +1,206 @@
+# is-glob [![NPM version](https://img.shields.io/npm/v/is-glob.svg?style=flat)](https://www.npmjs.com/package/is-glob) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-glob.svg?style=flat)](https://npmjs.org/package/is-glob) [![NPM total downloads](https://img.shields.io/npm/dt/is-glob.svg?style=flat)](https://npmjs.org/package/is-glob) [![Build Status](https://img.shields.io/github/workflow/status/micromatch/is-glob/dev)](https://github.com/micromatch/is-glob/actions)
+
+> Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-glob
+```
+
+You might also be interested in [is-valid-glob](https://github.com/jonschlinkert/is-valid-glob) and [has-glob](https://github.com/jonschlinkert/has-glob).
+
+## Usage
+
+```js
+var isGlob = require('is-glob');
+```
+
+### Default behavior
+
+**True**
+
+Patterns that have glob characters or regex patterns will return `true`:
+
+```js
+isGlob('!foo.js');
+isGlob('*.js');
+isGlob('**/abc.js');
+isGlob('abc/*.js');
+isGlob('abc/(aaa|bbb).js');
+isGlob('abc/[a-z].js');
+isGlob('abc/{a,b}.js');
+//=> true
+```
+
+Extglobs
+
+```js
+isGlob('abc/@(a).js');
+isGlob('abc/!(a).js');
+isGlob('abc/+(a).js');
+isGlob('abc/*(a).js');
+isGlob('abc/?(a).js');
+//=> true
+```
+
+**False**
+
+Escaped globs or extglobs return `false`:
+
+```js
+isGlob('abc/\\@(a).js');
+isGlob('abc/\\!(a).js');
+isGlob('abc/\\+(a).js');
+isGlob('abc/\\*(a).js');
+isGlob('abc/\\?(a).js');
+isGlob('\\!foo.js');
+isGlob('\\*.js');
+isGlob('\\*\\*/abc.js');
+isGlob('abc/\\*.js');
+isGlob('abc/\\(aaa|bbb).js');
+isGlob('abc/\\[a-z].js');
+isGlob('abc/\\{a,b}.js');
+//=> false
+```
+
+Patterns that do not have glob patterns return `false`:
+
+```js
+isGlob('abc.js');
+isGlob('abc/def/ghi.js');
+isGlob('foo.js');
+isGlob('abc/@.js');
+isGlob('abc/+.js');
+isGlob('abc/?.js');
+isGlob();
+isGlob(null);
+//=> false
+```
+
+Arrays are also `false` (If you want to check if an array has a glob pattern, use [has-glob](https://github.com/jonschlinkert/has-glob)):
+
+```js
+isGlob(['**/*.js']);
+isGlob(['foo.js']);
+//=> false
+```
+
+### Option strict
+
+When `options.strict === false` the behavior is less strict in determining if a pattern is a glob. Meaning that
+some patterns that would return `false` may return `true`. This is done so that matching libraries like [micromatch](https://github.com/micromatch/micromatch) have a chance at determining if the pattern is a glob or not.
+
+**True**
+
+Patterns that have glob characters or regex patterns will return `true`:
+
+```js
+isGlob('!foo.js', {strict: false});
+isGlob('*.js', {strict: false});
+isGlob('**/abc.js', {strict: false});
+isGlob('abc/*.js', {strict: false});
+isGlob('abc/(aaa|bbb).js', {strict: false});
+isGlob('abc/[a-z].js', {strict: false});
+isGlob('abc/{a,b}.js', {strict: false});
+//=> true
+```
+
+Extglobs
+
+```js
+isGlob('abc/@(a).js', {strict: false});
+isGlob('abc/!(a).js', {strict: false});
+isGlob('abc/+(a).js', {strict: false});
+isGlob('abc/*(a).js', {strict: false});
+isGlob('abc/?(a).js', {strict: false});
+//=> true
+```
+
+**False**
+
+Escaped globs or extglobs return `false`:
+
+```js
+isGlob('\\!foo.js', {strict: false});
+isGlob('\\*.js', {strict: false});
+isGlob('\\*\\*/abc.js', {strict: false});
+isGlob('abc/\\*.js', {strict: false});
+isGlob('abc/\\(aaa|bbb).js', {strict: false});
+isGlob('abc/\\[a-z].js', {strict: false});
+isGlob('abc/\\{a,b}.js', {strict: false});
+//=> false
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [assemble](https://www.npmjs.com/package/assemble): Get the rocks out of your socks! Assemble makes you fast at creating web projects… [more](https://github.com/assemble/assemble) | [homepage](https://github.com/assemble/assemble "Get the rocks out of your socks! Assemble makes you fast at creating web projects. Assemble is used by thousands of projects for rapid prototyping, creating themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websit")
+* [base](https://www.npmjs.com/package/base): Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks | [homepage](https://github.com/node-base/base "Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks")
+* [update](https://www.npmjs.com/package/update): Be scalable! Update is a new, open source developer framework and CLI for automating updates… [more](https://github.com/update/update) | [homepage](https://github.com/update/update "Be scalable! Update is a new, open source developer framework and CLI for automating updates of any kind in code projects.")
+* [verb](https://www.npmjs.com/package/verb): Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used… [more](https://github.com/verbose/verb) | [homepage](https://github.com/verbose/verb "Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used on hundreds of projects of all sizes to generate everything from API docs to readmes.")
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 47 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 5  | [doowb](https://github.com/doowb) |  
+| 1  | [phated](https://github.com/phated) |  
+| 1  | [danhper](https://github.com/danhper) |  
+| 1  | [paulmillr](https://github.com/paulmillr) |  
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+### License
+
+Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on March 27, 2019._
\ No newline at end of file
diff --git a/node_modules/is-glob/index.js b/node_modules/is-glob/index.js
new file mode 100644
index 00000000..620f563e
--- /dev/null
+++ b/node_modules/is-glob/index.js
@@ -0,0 +1,150 @@
+/*!
+ * is-glob <https://github.com/jonschlinkert/is-glob>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+var isExtglob = require('is-extglob');
+var chars = { '{': '}', '(': ')', '[': ']'};
+var strictCheck = function(str) {
+  if (str[0] === '!') {
+    return true;
+  }
+  var index = 0;
+  var pipeIndex = -2;
+  var closeSquareIndex = -2;
+  var closeCurlyIndex = -2;
+  var closeParenIndex = -2;
+  var backSlashIndex = -2;
+  while (index < str.length) {
+    if (str[index] === '*') {
+      return true;
+    }
+
+    if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) {
+      return true;
+    }
+
+    if (closeSquareIndex !== -1 && str[index] === '[' && str[index + 1] !== ']') {
+      if (closeSquareIndex < index) {
+        closeSquareIndex = str.indexOf(']', index);
+      }
+      if (closeSquareIndex > index) {
+        if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
+          return true;
+        }
+        backSlashIndex = str.indexOf('\\', index);
+        if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
+          return true;
+        }
+      }
+    }
+
+    if (closeCurlyIndex !== -1 && str[index] === '{' && str[index + 1] !== '}') {
+      closeCurlyIndex = str.indexOf('}', index);
+      if (closeCurlyIndex > index) {
+        backSlashIndex = str.indexOf('\\', index);
+        if (backSlashIndex === -1 || backSlashIndex > closeCurlyIndex) {
+          return true;
+        }
+      }
+    }
+
+    if (closeParenIndex !== -1 && str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') {
+      closeParenIndex = str.indexOf(')', index);
+      if (closeParenIndex > index) {
+        backSlashIndex = str.indexOf('\\', index);
+        if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
+          return true;
+        }
+      }
+    }
+
+    if (pipeIndex !== -1 && str[index] === '(' && str[index + 1] !== '|') {
+      if (pipeIndex < index) {
+        pipeIndex = str.indexOf('|', index);
+      }
+      if (pipeIndex !== -1 && str[pipeIndex + 1] !== ')') {
+        closeParenIndex = str.indexOf(')', pipeIndex);
+        if (closeParenIndex > pipeIndex) {
+          backSlashIndex = str.indexOf('\\', pipeIndex);
+          if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
+            return true;
+          }
+        }
+      }
+    }
+
+    if (str[index] === '\\') {
+      var open = str[index + 1];
+      index += 2;
+      var close = chars[open];
+
+      if (close) {
+        var n = str.indexOf(close, index);
+        if (n !== -1) {
+          index = n + 1;
+        }
+      }
+
+      if (str[index] === '!') {
+        return true;
+      }
+    } else {
+      index++;
+    }
+  }
+  return false;
+};
+
+var relaxedCheck = function(str) {
+  if (str[0] === '!') {
+    return true;
+  }
+  var index = 0;
+  while (index < str.length) {
+    if (/[*?{}()[\]]/.test(str[index])) {
+      return true;
+    }
+
+    if (str[index] === '\\') {
+      var open = str[index + 1];
+      index += 2;
+      var close = chars[open];
+
+      if (close) {
+        var n = str.indexOf(close, index);
+        if (n !== -1) {
+          index = n + 1;
+        }
+      }
+
+      if (str[index] === '!') {
+        return true;
+      }
+    } else {
+      index++;
+    }
+  }
+  return false;
+};
+
+module.exports = function isGlob(str, options) {
+  if (typeof str !== 'string' || str === '') {
+    return false;
+  }
+
+  if (isExtglob(str)) {
+    return true;
+  }
+
+  var check = strictCheck;
+
+  // optionally relax check
+  if (options && options.strict === false) {
+    check = relaxedCheck;
+  }
+
+  return check(str);
+};
diff --git a/node_modules/is-glob/package.json b/node_modules/is-glob/package.json
new file mode 100644
index 00000000..858af037
--- /dev/null
+++ b/node_modules/is-glob/package.json
@@ -0,0 +1,81 @@
+{
+  "name": "is-glob",
+  "description": "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.",
+  "version": "4.0.3",
+  "homepage": "https://github.com/micromatch/is-glob",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Daniel Perez (https://tuvistavie.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "micromatch/is-glob",
+  "bugs": {
+    "url": "https://github.com/micromatch/is-glob/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha && node benchmark.js"
+  },
+  "dependencies": {
+    "is-extglob": "^2.1.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.10",
+    "mocha": "^3.0.2"
+  },
+  "keywords": [
+    "bash",
+    "braces",
+    "check",
+    "exec",
+    "expression",
+    "extglob",
+    "glob",
+    "globbing",
+    "globstar",
+    "is",
+    "match",
+    "matches",
+    "pattern",
+    "regex",
+    "regular",
+    "string",
+    "test"
+  ],
+  "verb": {
+    "layout": "default",
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "assemble",
+        "base",
+        "update",
+        "verb"
+      ]
+    },
+    "reflinks": [
+      "assemble",
+      "bach",
+      "base",
+      "composer",
+      "gulp",
+      "has-glob",
+      "is-valid-glob",
+      "micromatch",
+      "npm",
+      "scaffold",
+      "verb",
+      "vinyl"
+    ]
+  }
+}
diff --git a/node_modules/is-number/LICENSE b/node_modules/is-number/LICENSE
new file mode 100644
index 00000000..842218cf
--- /dev/null
+++ b/node_modules/is-number/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-number/README.md b/node_modules/is-number/README.md
new file mode 100644
index 00000000..281165dc
--- /dev/null
+++ b/node_modules/is-number/README.md
@@ -0,0 +1,115 @@
+# is-number [![NPM version](https://img.shields.io/npm/v/is-number.svg?style=flat)](https://www.npmjs.com/package/is-number) [![NPM downloads](https://img.shields.io/npm/dm/is-number.svg?style=flat)](https://npmjs.org/package/is-number) [![Build Status](https://img.shields.io/travis/jonschlinkert/is-number.svg?style=flat)](https://travis-ci.org/jonschlinkert/is-number)
+
+> Returns true if the value is a number. comprehensive tests.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-number
+```
+
+## Usage
+
+To understand some of the rationale behind the decisions made in this library (and to learn about some oddities of number evaluation in JavaScript), [see this gist](https://gist.github.com/jonschlinkert/e30c70c713da325d0e81).
+
+```js
+var isNumber = require('is-number');
+```
+
+### true
+
+See the [tests](./test.js) for more examples.
+
+```js
+isNumber(5e3)      //=> 'true'
+isNumber(0xff)     //=> 'true'
+isNumber(-1.1)     //=> 'true'
+isNumber(0)        //=> 'true'
+isNumber(1)        //=> 'true'
+isNumber(1.1)      //=> 'true'
+isNumber(10)       //=> 'true'
+isNumber(10.10)    //=> 'true'
+isNumber(100)      //=> 'true'
+isNumber('-1.1')   //=> 'true'
+isNumber('0')      //=> 'true'
+isNumber('012')    //=> 'true'
+isNumber('0xff')   //=> 'true'
+isNumber('1')      //=> 'true'
+isNumber('1.1')    //=> 'true'
+isNumber('10')     //=> 'true'
+isNumber('10.10')  //=> 'true'
+isNumber('100')    //=> 'true'
+isNumber('5e3')    //=> 'true'
+isNumber(parseInt('012'))   //=> 'true'
+isNumber(parseFloat('012')) //=> 'true'
+```
+
+### False
+
+See the [tests](./test.js) for more examples.
+
+```js
+isNumber('foo')             //=> 'false'
+isNumber([1])               //=> 'false'
+isNumber([])                //=> 'false'
+isNumber(function () {})    //=> 'false'
+isNumber(Infinity)          //=> 'false'
+isNumber(NaN)               //=> 'false'
+isNumber(new Array('abc'))  //=> 'false'
+isNumber(new Array(2))      //=> 'false'
+isNumber(new Buffer('abc')) //=> 'false'
+isNumber(null)              //=> 'false'
+isNumber(undefined)         //=> 'false'
+isNumber({abc: 'abc'})      //=> 'false'
+```
+
+## About
+
+### Related projects
+
+* [even](https://www.npmjs.com/package/even): Get the even numbered items from an array. | [homepage](https://github.com/jonschlinkert/even "Get the even numbered items from an array.")
+* [is-even](https://www.npmjs.com/package/is-even): Return true if the given number is even. | [homepage](https://github.com/jonschlinkert/is-even "Return true if the given number is even.")
+* [is-odd](https://www.npmjs.com/package/is-odd): Returns true if the given number is odd. | [homepage](https://github.com/jonschlinkert/is-odd "Returns true if the given number is odd.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+* [odd](https://www.npmjs.com/package/odd): Get the odd numbered items from an array. | [homepage](https://github.com/jonschlinkert/odd "Get the odd numbered items from an array.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/is-number/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.30, on September 10, 2016._
\ No newline at end of file
diff --git a/node_modules/is-number/index.js b/node_modules/is-number/index.js
new file mode 100644
index 00000000..7a2a45be
--- /dev/null
+++ b/node_modules/is-number/index.js
@@ -0,0 +1,22 @@
+/*!
+ * is-number <https://github.com/jonschlinkert/is-number>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var typeOf = require('kind-of');
+
+module.exports = function isNumber(num) {
+  var type = typeOf(num);
+
+  if (type === 'string') {
+    if (!num.trim()) return false;
+  } else if (type !== 'number') {
+    return false;
+  }
+
+  return (num - num + 1) >= 0;
+};
diff --git a/node_modules/is-number/node_modules/kind-of/LICENSE b/node_modules/is-number/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/is-number/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-number/node_modules/kind-of/README.md b/node_modules/is-number/node_modules/kind-of/README.md
new file mode 100644
index 00000000..6a9df36d
--- /dev/null
+++ b/node_modules/is-number/node_modules/kind-of/README.md
@@ -0,0 +1,261 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+## Install
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Usage
+
+> es5, browser and es6 ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Boolean(true));
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf(new Number(42));
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(new String('str'));
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([]);
+//=> 'array'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(new Array());
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'function'
+
+kindOf(new Function());
+//=> 'function'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `WeakSet`.
+
+```bash
+#1: array
+  current x 23,329,397 ops/sec ±0.82% (94 runs sampled)
+  lib-type-of x 4,170,273 ops/sec ±0.55% (94 runs sampled)
+  lib-typeof x 9,686,935 ops/sec ±0.59% (98 runs sampled)
+
+#2: boolean
+  current x 27,197,115 ops/sec ±0.85% (94 runs sampled)
+  lib-type-of x 3,145,791 ops/sec ±0.73% (97 runs sampled)
+  lib-typeof x 9,199,562 ops/sec ±0.44% (99 runs sampled)
+
+#3: date
+  current x 20,190,117 ops/sec ±0.86% (92 runs sampled)
+  lib-type-of x 5,166,970 ops/sec ±0.74% (94 runs sampled)
+  lib-typeof x 9,610,821 ops/sec ±0.50% (96 runs sampled)
+
+#4: function
+  current x 23,855,460 ops/sec ±0.60% (97 runs sampled)
+  lib-type-of x 5,667,740 ops/sec ±0.54% (100 runs sampled)
+  lib-typeof x 10,010,644 ops/sec ±0.44% (100 runs sampled)
+
+#5: null
+  current x 27,061,047 ops/sec ±0.97% (96 runs sampled)
+  lib-type-of x 13,965,573 ops/sec ±0.62% (97 runs sampled)
+  lib-typeof x 8,460,194 ops/sec ±0.61% (97 runs sampled)
+
+#6: number
+  current x 25,075,682 ops/sec ±0.53% (99 runs sampled)
+  lib-type-of x 2,266,405 ops/sec ±0.41% (98 runs sampled)
+  lib-typeof x 9,821,481 ops/sec ±0.45% (99 runs sampled)
+
+#7: object
+  current x 3,348,980 ops/sec ±0.49% (99 runs sampled)
+  lib-type-of x 3,245,138 ops/sec ±0.60% (94 runs sampled)
+  lib-typeof x 9,262,952 ops/sec ±0.59% (99 runs sampled)
+
+#8: regex
+  current x 21,284,827 ops/sec ±0.72% (96 runs sampled)
+  lib-type-of x 4,689,241 ops/sec ±0.43% (100 runs sampled)
+  lib-typeof x 8,957,593 ops/sec ±0.62% (98 runs sampled)
+
+#9: string
+  current x 25,379,234 ops/sec ±0.58% (96 runs sampled)
+  lib-type-of x 3,635,148 ops/sec ±0.76% (93 runs sampled)
+  lib-typeof x 9,494,134 ops/sec ±0.49% (98 runs sampled)
+
+#10: undef
+  current x 27,459,221 ops/sec ±1.01% (93 runs sampled)
+  lib-type-of x 14,360,433 ops/sec ±0.52% (99 runs sampled)
+  lib-typeof x 23,202,868 ops/sec ±0.59% (94 runs sampled)
+
+```
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+
+## About
+
+### Related projects
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [miguelmota](https://github.com/miguelmota) |
+| 1 | [dtothefp](https://github.com/dtothefp) |
+| 1 | [ksheedlo](https://github.com/ksheedlo) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+| 1 | [laggingreflex](https://github.com/laggingreflex) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 16, 2017._
\ No newline at end of file
diff --git a/node_modules/is-number/node_modules/kind-of/index.js b/node_modules/is-number/node_modules/kind-of/index.js
new file mode 100644
index 00000000..b52c2917
--- /dev/null
+++ b/node_modules/is-number/node_modules/kind-of/index.js
@@ -0,0 +1,116 @@
+var isBuffer = require('is-buffer');
+var toString = Object.prototype.toString;
+
+/**
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
+ */
+
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
+  }
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};
diff --git a/node_modules/is-number/node_modules/kind-of/package.json b/node_modules/is-number/node_modules/kind-of/package.json
new file mode 100644
index 00000000..5de879e1
--- /dev/null
+++ b/node_modules/is-number/node_modules/kind-of/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "3.2.2",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "dependencies": {
+    "is-buffer": "^1.1.5"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "benchmarked": "^1.0.0",
+    "browserify": "^14.3.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.3.0",
+    "type-of": "^2.0.1",
+    "typeof": "^1.0.0"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/is-number/package.json b/node_modules/is-number/package.json
new file mode 100644
index 00000000..8c1f9ab4
--- /dev/null
+++ b/node_modules/is-number/package.json
@@ -0,0 +1,83 @@
+{
+  "name": "is-number",
+  "description": "Returns true if the value is a number. comprehensive tests.",
+  "version": "3.0.0",
+  "homepage": "https://github.com/jonschlinkert/is-number",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Charlike Mike Reagent (http://www.tunnckocore.tk)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/is-number",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-number/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "kind-of": "^3.0.2"
+  },
+  "devDependencies": {
+    "benchmarked": "^0.2.5",
+    "chalk": "^1.1.3",
+    "gulp-format-md": "^0.1.10",
+    "mocha": "^3.0.2"
+  },
+  "keywords": [
+    "check",
+    "coerce",
+    "coercion",
+    "integer",
+    "is",
+    "is-nan",
+    "is-num",
+    "is-number",
+    "istype",
+    "kind",
+    "math",
+    "nan",
+    "num",
+    "number",
+    "numeric",
+    "test",
+    "type",
+    "typeof",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "even",
+        "is-even",
+        "is-odd",
+        "is-primitive",
+        "kind-of",
+        "odd"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/node_modules/is-plain-object/LICENSE b/node_modules/is-plain-object/LICENSE
new file mode 100644
index 00000000..3f2eca18
--- /dev/null
+++ b/node_modules/is-plain-object/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-plain-object/README.md b/node_modules/is-plain-object/README.md
new file mode 100644
index 00000000..1f9d0c82
--- /dev/null
+++ b/node_modules/is-plain-object/README.md
@@ -0,0 +1,104 @@
+# is-plain-object [![NPM version](https://img.shields.io/npm/v/is-plain-object.svg?style=flat)](https://www.npmjs.com/package/is-plain-object) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-plain-object.svg?style=flat)](https://npmjs.org/package/is-plain-object) [![NPM total downloads](https://img.shields.io/npm/dt/is-plain-object.svg?style=flat)](https://npmjs.org/package/is-plain-object) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/is-plain-object.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/is-plain-object)
+
+> Returns true if an object was created by the `Object` constructor.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-plain-object
+```
+
+Use [isobject](https://github.com/jonschlinkert/isobject) if you only want to check if the value is an object and not an array or null.
+
+## Usage
+
+```js
+var isPlainObject = require('is-plain-object');
+```
+
+**true** when created by the `Object` constructor.
+
+```js
+isPlainObject(Object.create({}));
+//=> true
+isPlainObject(Object.create(Object.prototype));
+//=> true
+isPlainObject({foo: 'bar'});
+//=> true
+isPlainObject({});
+//=> true
+```
+
+**false** when not created by the `Object` constructor.
+
+```js
+isPlainObject(1);
+//=> false
+isPlainObject(['foo', 'bar']);
+//=> false
+isPlainObject([]);
+//=> false
+isPlainObject(new Foo);
+//=> false
+isPlainObject(null);
+//=> false
+isPlainObject(Object.create(null));
+//=> false
+```
+
+## About
+
+### Related projects
+
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 17 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 6 | [stevenvachon](https://github.com/stevenvachon) |
+| 3 | [onokumus](https://github.com/onokumus) |
+| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 11, 2017._
\ No newline at end of file
diff --git a/node_modules/is-plain-object/index.d.ts b/node_modules/is-plain-object/index.d.ts
new file mode 100644
index 00000000..74a44e97
--- /dev/null
+++ b/node_modules/is-plain-object/index.d.ts
@@ -0,0 +1,5 @@
+export = isPlainObject;
+
+declare function isPlainObject(o: any): boolean;
+
+declare namespace isPlainObject {}
diff --git a/node_modules/is-plain-object/index.js b/node_modules/is-plain-object/index.js
new file mode 100644
index 00000000..c3284849
--- /dev/null
+++ b/node_modules/is-plain-object/index.js
@@ -0,0 +1,37 @@
+/*!
+ * is-plain-object <https://github.com/jonschlinkert/is-plain-object>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+
+function isObjectObject(o) {
+  return isObject(o) === true
+    && Object.prototype.toString.call(o) === '[object Object]';
+}
+
+module.exports = function isPlainObject(o) {
+  var ctor,prot;
+
+  if (isObjectObject(o) === false) return false;
+
+  // If has modified constructor
+  ctor = o.constructor;
+  if (typeof ctor !== 'function') return false;
+
+  // If has modified prototype
+  prot = ctor.prototype;
+  if (isObjectObject(prot) === false) return false;
+
+  // If constructor does not have an Object-specific method
+  if (prot.hasOwnProperty('isPrototypeOf') === false) {
+    return false;
+  }
+
+  // Most likely a plain Object
+  return true;
+};
diff --git a/node_modules/is-plain-object/package.json b/node_modules/is-plain-object/package.json
new file mode 100644
index 00000000..dd604986
--- /dev/null
+++ b/node_modules/is-plain-object/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "is-plain-object",
+  "description": "Returns true if an object was created by the `Object` constructor.",
+  "version": "2.0.4",
+  "homepage": "https://github.com/jonschlinkert/is-plain-object",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Osman Nuri Okumuş (http://onokumus.com)",
+    "Steven Vachon (https://svachon.com)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "jonschlinkert/is-plain-object",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-plain-object/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.d.ts",
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "browserify": "browserify index.js --standalone isPlainObject | uglifyjs --compress --mangle -o browser/is-plain-object.js",
+    "test_browser": "mocha-phantomjs test/browser.html",
+    "test_node": "mocha",
+    "test": "npm run test_node && npm run browserify && npm run test_browser"
+  },
+  "dependencies": {
+    "isobject": "^3.0.1"
+  },
+  "devDependencies": {
+    "browserify": "^14.4.0",
+    "chai": "^4.0.2",
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.4.2",
+    "mocha-phantomjs": "^4.1.0",
+    "phantomjs": "^2.1.7",
+    "uglify-js": "^3.0.24"
+  },
+  "keywords": [
+    "check",
+    "is",
+    "is-object",
+    "isobject",
+    "javascript",
+    "kind",
+    "kind-of",
+    "object",
+    "plain",
+    "type",
+    "typeof",
+    "value"
+  ],
+  "types": "index.d.ts",
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "is-number",
+        "isobject",
+        "kind-of"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/is-windows/LICENSE b/node_modules/is-windows/LICENSE
new file mode 100644
index 00000000..f8de0630
--- /dev/null
+++ b/node_modules/is-windows/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-windows/README.md b/node_modules/is-windows/README.md
new file mode 100644
index 00000000..485bfdec
--- /dev/null
+++ b/node_modules/is-windows/README.md
@@ -0,0 +1,95 @@
+# is-windows [![NPM version](https://img.shields.io/npm/v/is-windows.svg?style=flat)](https://www.npmjs.com/package/is-windows) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-windows.svg?style=flat)](https://npmjs.org/package/is-windows) [![NPM total downloads](https://img.shields.io/npm/dt/is-windows.svg?style=flat)](https://npmjs.org/package/is-windows) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/is-windows.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/is-windows)
+
+> Returns true if the platform is windows. UMD module, works with node.js, commonjs, browser, AMD, electron, etc.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-windows
+```
+
+## Heads up!
+
+As of `v0.2.0` this module always returns a function.
+
+## Node.js usage
+
+```js
+var isWindows = require('is-windows');
+
+console.log(isWindows());
+//=> returns true if the platform is windows
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-absolute](https://www.npmjs.com/package/is-absolute): Returns true if a file path is absolute. Does not rely on the path module… [more](https://github.com/jonschlinkert/is-absolute) | [homepage](https://github.com/jonschlinkert/is-absolute "Returns true if a file path is absolute. Does not rely on the path module and can be used as a polyfill for node.js native `path.isAbolute`.")
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-relative](https://www.npmjs.com/package/is-relative): Returns `true` if the path appears to be relative. | [homepage](https://github.com/jonschlinkert/is-relative "Returns `true` if the path appears to be relative.")
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
+* [window-size](https://www.npmjs.com/package/window-size): Reliable way to get the height and width of terminal/console, since it's not calculated or… [more](https://github.com/jonschlinkert/window-size) | [homepage](https://github.com/jonschlinkert/window-size "Reliable way to get the height and width of terminal/console, since it's not calculated or updated the same way on all platforms, environments and node.js versions.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 11 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 4 | [doowb](https://github.com/doowb) |
+| 1 | [SimenB](https://github.com/SimenB) |
+| 1 | [gucong3000](https://github.com/gucong3000) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 14, 2018._
\ No newline at end of file
diff --git a/node_modules/is-windows/index.js b/node_modules/is-windows/index.js
new file mode 100644
index 00000000..55d43e09
--- /dev/null
+++ b/node_modules/is-windows/index.js
@@ -0,0 +1,27 @@
+/*!
+ * is-windows <https://github.com/jonschlinkert/is-windows>
+ *
+ * Copyright © 2015-2018, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+(function(factory) {
+  if (exports && typeof exports === 'object' && typeof module !== 'undefined') {
+    module.exports = factory();
+  } else if (typeof define === 'function' && define.amd) {
+    define([], factory);
+  } else if (typeof window !== 'undefined') {
+    window.isWindows = factory();
+  } else if (typeof global !== 'undefined') {
+    global.isWindows = factory();
+  } else if (typeof self !== 'undefined') {
+    self.isWindows = factory();
+  } else {
+    this.isWindows = factory();
+  }
+})(function() {
+  'use strict';
+  return function isWindows() {
+    return process && (process.platform === 'win32' || /^(msys|cygwin)$/.test(process.env.OSTYPE));
+  };
+});
diff --git a/node_modules/is-windows/package.json b/node_modules/is-windows/package.json
new file mode 100644
index 00000000..fca09f9c
--- /dev/null
+++ b/node_modules/is-windows/package.json
@@ -0,0 +1,71 @@
+{
+  "name": "is-windows",
+  "description": "Returns true if the platform is windows. UMD module, works with node.js, commonjs, browser, AMD, electron, etc.",
+  "version": "1.0.2",
+  "homepage": "https://github.com/jonschlinkert/is-windows",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Simen Bekkhus (https://github.com/SimenB)",
+    "刘祺 (gucong.co.cc)"
+  ],
+  "repository": "jonschlinkert/is-windows",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-windows/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "check",
+    "cywin",
+    "is",
+    "is-windows",
+    "nix",
+    "operating system",
+    "os",
+    "platform",
+    "process",
+    "unix",
+    "win",
+    "win32",
+    "windows"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "is-absolute",
+        "is-glob",
+        "is-relative",
+        "isobject",
+        "window-size"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/is-wsl/index.js b/node_modules/is-wsl/index.js
new file mode 100644
index 00000000..ade6cda6
--- /dev/null
+++ b/node_modules/is-wsl/index.js
@@ -0,0 +1,25 @@
+'use strict';
+const os = require('os');
+const fs = require('fs');
+
+const isWsl = () => {
+	if (process.platform !== 'linux') {
+		return false;
+	}
+
+	if (os.release().includes('Microsoft')) {
+		return true;
+	}
+
+	try {
+		return fs.readFileSync('/proc/version', 'utf8').includes('Microsoft');
+	} catch (err) {
+		return false;
+	}
+};
+
+if (process.env.__IS_WSL_TEST__) {
+	module.exports = isWsl;
+} else {
+	module.exports = isWsl();
+}
diff --git a/node_modules/is-wsl/license b/node_modules/is-wsl/license
new file mode 100644
index 00000000..654d0bfe
--- /dev/null
+++ b/node_modules/is-wsl/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/is-wsl/package.json b/node_modules/is-wsl/package.json
new file mode 100644
index 00000000..55961402
--- /dev/null
+++ b/node_modules/is-wsl/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "is-wsl",
+  "version": "1.1.0",
+  "description": "Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)",
+  "license": "MIT",
+  "repository": "sindresorhus/is-wsl",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "scripts": {
+    "test": "xo && ava"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "check",
+    "wsl",
+    "windows",
+    "subsystem",
+    "linux",
+    "detect",
+    "bash",
+    "process",
+    "console",
+    "terminal",
+    "is"
+  ],
+  "devDependencies": {
+    "ava": "*",
+    "clear-require": "^2.0.0",
+    "proxyquire": "^1.7.11",
+    "xo": "*"
+  }
+}
diff --git a/node_modules/is-wsl/readme.md b/node_modules/is-wsl/readme.md
new file mode 100644
index 00000000..7ab40c57
--- /dev/null
+++ b/node_modules/is-wsl/readme.md
@@ -0,0 +1,28 @@
+# is-wsl [![Build Status](https://travis-ci.org/sindresorhus/is-wsl.svg?branch=master)](https://travis-ci.org/sindresorhus/is-wsl)
+
+> Check if the process is running inside [Windows Subsystem for Linux](https://msdn.microsoft.com/commandline/wsl/about) (Bash on Windows)
+
+Can be useful if you need to work around unimplemented or buggy features in WSL.
+
+
+## Install
+
+```
+$ npm install --save is-wsl
+```
+
+
+## Usage
+
+```js
+const isWsl = require('is-wsl');
+
+// When running inside Windows Subsystem for Linux
+console.log(isWsl);
+//=> true
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/isarray/.npmignore b/node_modules/isarray/.npmignore
new file mode 100644
index 00000000..3c3629e6
--- /dev/null
+++ b/node_modules/isarray/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/node_modules/isarray/.travis.yml b/node_modules/isarray/.travis.yml
new file mode 100644
index 00000000..cc4dba29
--- /dev/null
+++ b/node_modules/isarray/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"
diff --git a/node_modules/isarray/Makefile b/node_modules/isarray/Makefile
new file mode 100644
index 00000000..787d56e1
--- /dev/null
+++ b/node_modules/isarray/Makefile
@@ -0,0 +1,6 @@
+
+test:
+	@node_modules/.bin/tape test.js
+
+.PHONY: test
+
diff --git a/node_modules/isarray/README.md b/node_modules/isarray/README.md
new file mode 100644
index 00000000..16d2c59c
--- /dev/null
+++ b/node_modules/isarray/README.md
@@ -0,0 +1,60 @@
+
+# isarray
+
+`Array#isArray` for older browsers.
+
+[![build status](https://secure.travis-ci.org/juliangruber/isarray.svg)](http://travis-ci.org/juliangruber/isarray)
+[![downloads](https://img.shields.io/npm/dm/isarray.svg)](https://www.npmjs.org/package/isarray)
+
+[![browser support](https://ci.testling.com/juliangruber/isarray.png)
+](https://ci.testling.com/juliangruber/isarray)
+
+## Usage
+
+```js
+var isArray = require('isarray');
+
+console.log(isArray([])); // => true
+console.log(isArray({})); // => false
+```
+
+## Installation
+
+With [npm](http://npmjs.org) do
+
+```bash
+$ npm install isarray
+```
+
+Then bundle for the browser with
+[browserify](https://github.com/substack/browserify).
+
+With [component](http://component.io) do
+
+```bash
+$ component install juliangruber/isarray
+```
+
+## License
+
+(MIT)
+
+Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/isarray/component.json b/node_modules/isarray/component.json
new file mode 100644
index 00000000..9e31b683
--- /dev/null
+++ b/node_modules/isarray/component.json
@@ -0,0 +1,19 @@
+{
+  "name" : "isarray",
+  "description" : "Array#isArray for older browsers",
+  "version" : "0.0.1",
+  "repository" : "juliangruber/isarray",
+  "homepage": "https://github.com/juliangruber/isarray",
+  "main" : "index.js",
+  "scripts" : [
+    "index.js"
+  ],
+  "dependencies" : {},
+  "keywords": ["browser","isarray","array"],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/isarray/index.js b/node_modules/isarray/index.js
new file mode 100644
index 00000000..a57f6349
--- /dev/null
+++ b/node_modules/isarray/index.js
@@ -0,0 +1,5 @@
+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+  return toString.call(arr) == '[object Array]';
+};
diff --git a/node_modules/isarray/package.json b/node_modules/isarray/package.json
new file mode 100644
index 00000000..1a4317a9
--- /dev/null
+++ b/node_modules/isarray/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "isarray",
+  "description": "Array#isArray for older browsers",
+  "version": "1.0.0",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/isarray.git"
+  },
+  "homepage": "https://github.com/juliangruber/isarray",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "~2.13.4"
+  },
+  "keywords": [
+    "browser",
+    "isarray",
+    "array"
+  ],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/17..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "scripts": {
+    "test": "tape test.js"
+  }
+}
diff --git a/node_modules/isarray/test.js b/node_modules/isarray/test.js
new file mode 100644
index 00000000..e0c3444d
--- /dev/null
+++ b/node_modules/isarray/test.js
@@ -0,0 +1,20 @@
+var isArray = require('./');
+var test = require('tape');
+
+test('is array', function(t){
+  t.ok(isArray([]));
+  t.notOk(isArray({}));
+  t.notOk(isArray(null));
+  t.notOk(isArray(false));
+
+  var obj = {};
+  obj[0] = true;
+  t.notOk(isArray(obj));
+
+  var arr = [];
+  arr.foo = 'bar';
+  t.ok(isArray(arr));
+
+  t.end();
+});
+
diff --git a/node_modules/isobject/LICENSE b/node_modules/isobject/LICENSE
new file mode 100644
index 00000000..943e71d0
--- /dev/null
+++ b/node_modules/isobject/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/isobject/README.md b/node_modules/isobject/README.md
new file mode 100644
index 00000000..d01feaa4
--- /dev/null
+++ b/node_modules/isobject/README.md
@@ -0,0 +1,122 @@
+# isobject [![NPM version](https://img.shields.io/npm/v/isobject.svg?style=flat)](https://www.npmjs.com/package/isobject) [![NPM monthly downloads](https://img.shields.io/npm/dm/isobject.svg?style=flat)](https://npmjs.org/package/isobject)  [![NPM total downloads](https://img.shields.io/npm/dt/isobject.svg?style=flat)](https://npmjs.org/package/isobject) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/isobject.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/isobject)
+
+> Returns true if the value is an object and not an array or null.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save isobject
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add isobject
+```
+
+Use [is-plain-object](https://github.com/jonschlinkert/is-plain-object) if you want only objects that are created by the `Object` constructor.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install isobject
+```
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install isobject
+```
+
+## Usage
+
+```js
+var isObject = require('isobject');
+```
+
+**True**
+
+All of the following return `true`:
+
+```js
+isObject({});
+isObject(Object.create({}));
+isObject(Object.create(Object.prototype));
+isObject(Object.create(null));
+isObject({});
+isObject(new Foo);
+isObject(/foo/);
+```
+
+**False**
+
+All of the following return `false`:
+
+```js
+isObject();
+isObject(function () {});
+isObject(1);
+isObject([]);
+isObject(undefined);
+isObject(null);
+```
+
+## About
+
+### Related projects
+
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 29 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 4  | [doowb](https://github.com/doowb) |  
+| 1  | [magnudae](https://github.com/magnudae) |  
+| 1  | [LeSuisse](https://github.com/LeSuisse) |  
+| 1  | [tmcw](https://github.com/tmcw) |  
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 30, 2017._
\ No newline at end of file
diff --git a/node_modules/isobject/index.d.ts b/node_modules/isobject/index.d.ts
new file mode 100644
index 00000000..55f81c27
--- /dev/null
+++ b/node_modules/isobject/index.d.ts
@@ -0,0 +1,5 @@
+export = isObject;
+
+declare function isObject(val: any): boolean;
+
+declare namespace isObject {}
diff --git a/node_modules/isobject/index.js b/node_modules/isobject/index.js
new file mode 100644
index 00000000..2d59958b
--- /dev/null
+++ b/node_modules/isobject/index.js
@@ -0,0 +1,12 @@
+/*!
+ * isobject <https://github.com/jonschlinkert/isobject>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isObject(val) {
+  return val != null && typeof val === 'object' && Array.isArray(val) === false;
+};
diff --git a/node_modules/isobject/package.json b/node_modules/isobject/package.json
new file mode 100644
index 00000000..62aa8c1b
--- /dev/null
+++ b/node_modules/isobject/package.json
@@ -0,0 +1,74 @@
+{
+  "name": "isobject",
+  "description": "Returns true if the value is an object and not an array or null.",
+  "version": "3.0.1",
+  "homepage": "https://github.com/jonschlinkert/isobject",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "(https://github.com/LeSuisse)",
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Magnús Dæhlen (https://github.com/magnudae)",
+    "Tom MacWright (https://macwright.org)"
+  ],
+  "repository": "jonschlinkert/isobject",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/isobject/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.d.ts",
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "gulp-format-md": "^0.1.9",
+    "mocha": "^2.4.5"
+  },
+  "keywords": [
+    "check",
+    "is",
+    "is-object",
+    "isobject",
+    "kind",
+    "kind-of",
+    "kindof",
+    "native",
+    "object",
+    "type",
+    "typeof",
+    "value"
+  ],
+  "types": "index.d.ts",
+  "verb": {
+    "related": {
+      "list": [
+        "extend-shallow",
+        "is-plain-object",
+        "kind-of",
+        "merge-deep"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/json-parse-better-errors/CHANGELOG.md b/node_modules/json-parse-better-errors/CHANGELOG.md
new file mode 100644
index 00000000..b1d212de
--- /dev/null
+++ b/node_modules/json-parse-better-errors/CHANGELOG.md
@@ -0,0 +1,46 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="1.0.2"></a>
+## [1.0.2](https://github.com/zkat/json-parse-better-errors/compare/v1.0.1...v1.0.2) (2018-03-30)
+
+
+### Bug Fixes
+
+* **messages:** More friendly messages for non-string ([#1](https://github.com/zkat/json-parse-better-errors/issues/1)) ([a476d42](https://github.com/zkat/json-parse-better-errors/commit/a476d42))
+
+
+
+<a name="1.0.1"></a>
+## [1.0.1](https://github.com/zkat/json-parse-better-errors/compare/v1.0.0...v1.0.1) (2017-08-16)
+
+
+### Bug Fixes
+
+* **license:** oops. Forgot to update license.md ([efe2958](https://github.com/zkat/json-parse-better-errors/commit/efe2958))
+
+
+
+<a name="1.0.0"></a>
+# 1.0.0 (2017-08-15)
+
+
+### Features
+
+* **init:** Initial Commit ([562c977](https://github.com/zkat/json-parse-better-errors/commit/562c977))
+
+
+### BREAKING CHANGES
+
+* **init:** This is the first commit!
+
+
+
+<a name="0.1.0"></a>
+# 0.1.0 (2017-08-15)
+
+
+### Features
+
+* **init:** Initial Commit ([9dd1a19](https://github.com/zkat/json-parse-better-errors/commit/9dd1a19))
diff --git a/node_modules/json-parse-better-errors/LICENSE.md b/node_modules/json-parse-better-errors/LICENSE.md
new file mode 100644
index 00000000..c51842cc
--- /dev/null
+++ b/node_modules/json-parse-better-errors/LICENSE.md
@@ -0,0 +1,7 @@
+Copyright 2017 Kat Marchán
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/json-parse-better-errors/README.md b/node_modules/json-parse-better-errors/README.md
new file mode 100644
index 00000000..a1f0f0a5
--- /dev/null
+++ b/node_modules/json-parse-better-errors/README.md
@@ -0,0 +1,46 @@
+# json-parse-better-errors [![npm version](https://img.shields.io/npm/v/json-parse-better-errors.svg)](https://npm.im/json-parse-better-errors) [![license](https://img.shields.io/npm/l/json-parse-better-errors.svg)](https://npm.im/json-parse-better-errors) [![Travis](https://img.shields.io/travis/zkat/json-parse-better-errors.svg)](https://travis-ci.org/zkat/json-parse-better-errors) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/zkat/json-parse-better-errors?svg=true)](https://ci.appveyor.com/project/zkat/json-parse-better-errors) [![Coverage Status](https://coveralls.io/repos/github/zkat/json-parse-better-errors/badge.svg?branch=latest)](https://coveralls.io/github/zkat/json-parse-better-errors?branch=latest)
+
+[`json-parse-better-errors`](https://github.com/zkat/json-parse-better-errors) is a Node.js library for
+getting nicer errors out of `JSON.parse()`, including context and position of the parse errors.
+
+## Install
+
+`$ npm install --save json-parse-better-errors`
+
+## Table of Contents
+
+* [Example](#example)
+* [Features](#features)
+* [Contributing](#contributing)
+* [API](#api)
+  * [`parse`](#parse)
+
+### Example
+
+```javascript
+const parseJson = require('json-parse-better-errors')
+
+parseJson('"foo"')
+parseJson('garbage') // more useful error message
+```
+
+### Features
+
+* Like JSON.parse, but the errors are better.
+
+### Contributing
+
+The npm team enthusiastically welcomes contributions and project participation! There's a bunch of things you can do if you want to contribute! The [Contributor Guide](CONTRIBUTING.md) has all the information you need for everything from reporting bugs to contributing entire new features. Please don't hesitate to jump in if you'd like to, or even ask us questions if something isn't clear.
+
+All participants and maintainers in this project are expected to follow [Code of Conduct](CODE_OF_CONDUCT.md), and just generally be excellent to each other.
+
+Please refer to the [Changelog](CHANGELOG.md) for project history details, too.
+
+Happy hacking!
+
+### API
+
+#### <a name="parse"></a> `> parse(txt, ?reviver, ?context=20)`
+
+Works just like `JSON.parse`, but will include a bit more information when an
+error happens.
diff --git a/node_modules/json-parse-better-errors/index.js b/node_modules/json-parse-better-errors/index.js
new file mode 100644
index 00000000..14644c2f
--- /dev/null
+++ b/node_modules/json-parse-better-errors/index.js
@@ -0,0 +1,38 @@
+'use strict'
+
+module.exports = parseJson
+function parseJson (txt, reviver, context) {
+  context = context || 20
+  try {
+    return JSON.parse(txt, reviver)
+  } catch (e) {
+    if (typeof txt !== 'string') {
+      const isEmptyArray = Array.isArray(txt) && txt.length === 0
+      const errorMessage = 'Cannot parse ' +
+      (isEmptyArray ? 'an empty array' : String(txt))
+      throw new TypeError(errorMessage)
+    }
+    const syntaxErr = e.message.match(/^Unexpected token.*position\s+(\d+)/i)
+    const errIdx = syntaxErr
+    ? +syntaxErr[1]
+    : e.message.match(/^Unexpected end of JSON.*/i)
+    ? txt.length - 1
+    : null
+    if (errIdx != null) {
+      const start = errIdx <= context
+      ? 0
+      : errIdx - context
+      const end = errIdx + context >= txt.length
+      ? txt.length
+      : errIdx + context
+      e.message += ` while parsing near '${
+        start === 0 ? '' : '...'
+      }${txt.slice(start, end)}${
+        end === txt.length ? '' : '...'
+      }'`
+    } else {
+      e.message += ` while parsing '${txt.slice(0, context * 2)}'`
+    }
+    throw e
+  }
+}
diff --git a/node_modules/json-parse-better-errors/package.json b/node_modules/json-parse-better-errors/package.json
new file mode 100644
index 00000000..c4c2c20a
--- /dev/null
+++ b/node_modules/json-parse-better-errors/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "json-parse-better-errors",
+  "version": "1.0.2",
+  "description": "JSON.parse with context information on error",
+  "main": "index.js",
+  "files": [
+    "*.js"
+  ],
+  "scripts": {
+    "prerelease": "npm t",
+    "postrelease": "npm publish && git push --follow-tags",
+    "pretest": "standard",
+    "release": "standard-version -s",
+    "test": "tap -J --coverage test/*.js",
+    "update-coc": "weallbehave -o . && git add CODE_OF_CONDUCT.md && git commit -m 'docs(coc): updated CODE_OF_CONDUCT.md'",
+    "update-contrib": "weallcontribute -o . && git add CONTRIBUTING.md && git commit -m 'docs(contributing): updated CONTRIBUTING.md'"
+  },
+  "repository": "https://github.com/zkat/json-parse-better-errors",
+  "keywords": [
+    "JSON",
+    "parser"
+  ],
+  "author": {
+    "name": "Kat Marchán",
+    "email": "kzm@zkat.tech",
+    "twitter": "maybekatz"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "nyc": "^10.3.2",
+    "standard": "^9.0.2",
+    "standard-version": "^4.1.0",
+    "tap": "^10.3.3",
+    "weallbehave": "^1.2.0",
+    "weallcontribute": "^1.0.8"
+  },
+  "config": {
+    "nyc": {
+      "exclude": [
+        "node_modules/**",
+        "test/**"
+      ]
+    }
+  }
+}
diff --git a/node_modules/json-schema-traverse/.eslintrc.yml b/node_modules/json-schema-traverse/.eslintrc.yml
new file mode 100644
index 00000000..ab1762da
--- /dev/null
+++ b/node_modules/json-schema-traverse/.eslintrc.yml
@@ -0,0 +1,27 @@
+extends: eslint:recommended
+env:
+  node: true
+  browser: true
+rules:
+  block-scoped-var: 2
+  complexity: [2, 13]
+  curly: [2, multi-or-nest, consistent]
+  dot-location: [2, property]
+  dot-notation: 2
+  indent: [2, 2, SwitchCase: 1]
+  linebreak-style: [2, unix]
+  new-cap: 2
+  no-console: [2, allow: [warn, error]]
+  no-else-return: 2
+  no-eq-null: 2
+  no-fallthrough: 2
+  no-invalid-this: 2
+  no-return-assign: 2
+  no-shadow: 1
+  no-trailing-spaces: 2
+  no-use-before-define: [2, nofunc]
+  quotes: [2, single, avoid-escape]
+  semi: [2, always]
+  strict: [2, global]
+  valid-jsdoc: [2, requireReturn: false]
+  no-control-regex: 0
diff --git a/node_modules/json-schema-traverse/.travis.yml b/node_modules/json-schema-traverse/.travis.yml
new file mode 100644
index 00000000..7ddce74b
--- /dev/null
+++ b/node_modules/json-schema-traverse/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "4"
+  - "6"
+  - "7"
+  - "8"
+after_script:
+  - coveralls < coverage/lcov.info
diff --git a/node_modules/json-schema-traverse/LICENSE b/node_modules/json-schema-traverse/LICENSE
new file mode 100644
index 00000000..7f154356
--- /dev/null
+++ b/node_modules/json-schema-traverse/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/json-schema-traverse/README.md b/node_modules/json-schema-traverse/README.md
new file mode 100644
index 00000000..d5ccaf45
--- /dev/null
+++ b/node_modules/json-schema-traverse/README.md
@@ -0,0 +1,83 @@
+# json-schema-traverse
+Traverse JSON Schema passing each schema object to callback
+
+[![Build Status](https://travis-ci.org/epoberezkin/json-schema-traverse.svg?branch=master)](https://travis-ci.org/epoberezkin/json-schema-traverse)
+[![npm version](https://badge.fury.io/js/json-schema-traverse.svg)](https://www.npmjs.com/package/json-schema-traverse)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/json-schema-traverse/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/json-schema-traverse?branch=master)
+
+
+## Install
+
+```
+npm install json-schema-traverse
+```
+
+
+## Usage
+
+```javascript
+const traverse = require('json-schema-traverse');
+const schema = {
+  properties: {
+    foo: {type: 'string'},
+    bar: {type: 'integer'}
+  }
+};
+
+traverse(schema, {cb});
+// cb is called 3 times with:
+// 1. root schema
+// 2. {type: 'string'}
+// 3. {type: 'integer'}
+
+// Or:
+
+traverse(schema, {cb: {pre, post}});
+// pre is called 3 times with:
+// 1. root schema
+// 2. {type: 'string'}
+// 3. {type: 'integer'}
+//
+// post is called 3 times with:
+// 1. {type: 'string'}
+// 2. {type: 'integer'}
+// 3. root schema
+
+```
+
+Callback function `cb` is called for each schema object (not including draft-06 boolean schemas), including the root schema, in pre-order traversal. Schema references ($ref) are not resolved, they are passed as is.  Alternatively, you can pass a `{pre, post}` object as `cb`, and then `pre` will be called before traversing child elements, and `post` will be called after all child elements have been traversed.
+
+Callback is passed these parameters:
+
+- _schema_: the current schema object
+- _JSON pointer_: from the root schema to the current schema object
+- _root schema_: the schema passed to `traverse` object
+- _parent JSON pointer_: from the root schema to the parent schema object (see below)
+- _parent keyword_: the keyword inside which this schema appears (e.g. `properties`, `anyOf`, etc.)
+- _parent schema_: not necessarily parent object/array; in the example above the parent schema for `{type: 'string'}` is the root schema
+- _index/property_: index or property name in the array/object containing multiple schemas; in the example above for `{type: 'string'}` the property name is `'foo'`
+
+
+## Traverse objects in all unknown keywords
+
+```javascript
+const traverse = require('json-schema-traverse');
+const schema = {
+  mySchema: {
+    minimum: 1,
+    maximum: 2
+  }
+};
+
+traverse(schema, {allKeys: true, cb});
+// cb is called 2 times with:
+// 1. root schema
+// 2. mySchema
+```
+
+Without option `allKeys: true` callback will be called only with root schema.
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/json-schema-traverse/blob/master/LICENSE)
diff --git a/node_modules/json-schema-traverse/index.js b/node_modules/json-schema-traverse/index.js
new file mode 100644
index 00000000..d4a18dfc
--- /dev/null
+++ b/node_modules/json-schema-traverse/index.js
@@ -0,0 +1,89 @@
+'use strict';
+
+var traverse = module.exports = function (schema, opts, cb) {
+  // Legacy support for v0.3.1 and earlier.
+  if (typeof opts == 'function') {
+    cb = opts;
+    opts = {};
+  }
+
+  cb = opts.cb || cb;
+  var pre = (typeof cb == 'function') ? cb : cb.pre || function() {};
+  var post = cb.post || function() {};
+
+  _traverse(opts, pre, post, schema, '', schema);
+};
+
+
+traverse.keywords = {
+  additionalItems: true,
+  items: true,
+  contains: true,
+  additionalProperties: true,
+  propertyNames: true,
+  not: true
+};
+
+traverse.arrayKeywords = {
+  items: true,
+  allOf: true,
+  anyOf: true,
+  oneOf: true
+};
+
+traverse.propsKeywords = {
+  definitions: true,
+  properties: true,
+  patternProperties: true,
+  dependencies: true
+};
+
+traverse.skipKeywords = {
+  default: true,
+  enum: true,
+  const: true,
+  required: true,
+  maximum: true,
+  minimum: true,
+  exclusiveMaximum: true,
+  exclusiveMinimum: true,
+  multipleOf: true,
+  maxLength: true,
+  minLength: true,
+  pattern: true,
+  format: true,
+  maxItems: true,
+  minItems: true,
+  uniqueItems: true,
+  maxProperties: true,
+  minProperties: true
+};
+
+
+function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+  if (schema && typeof schema == 'object' && !Array.isArray(schema)) {
+    pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+    for (var key in schema) {
+      var sch = schema[key];
+      if (Array.isArray(sch)) {
+        if (key in traverse.arrayKeywords) {
+          for (var i=0; i<sch.length; i++)
+            _traverse(opts, pre, post, sch[i], jsonPtr + '/' + key + '/' + i, rootSchema, jsonPtr, key, schema, i);
+        }
+      } else if (key in traverse.propsKeywords) {
+        if (sch && typeof sch == 'object') {
+          for (var prop in sch)
+            _traverse(opts, pre, post, sch[prop], jsonPtr + '/' + key + '/' + escapeJsonPtr(prop), rootSchema, jsonPtr, key, schema, prop);
+        }
+      } else if (key in traverse.keywords || (opts.allKeys && !(key in traverse.skipKeywords))) {
+        _traverse(opts, pre, post, sch, jsonPtr + '/' + key, rootSchema, jsonPtr, key, schema);
+      }
+    }
+    post(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+  }
+}
+
+
+function escapeJsonPtr(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
diff --git a/node_modules/json-schema-traverse/package.json b/node_modules/json-schema-traverse/package.json
new file mode 100644
index 00000000..15660632
--- /dev/null
+++ b/node_modules/json-schema-traverse/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "json-schema-traverse",
+  "version": "0.4.1",
+  "description": "Traverse JSON Schema passing each schema object to callback",
+  "main": "index.js",
+  "scripts": {
+    "eslint": "eslint index.js spec",
+    "test-spec": "mocha spec -R spec",
+    "test": "npm run eslint && nyc npm run test-spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/json-schema-traverse.git"
+  },
+  "keywords": [
+    "JSON-Schema",
+    "traverse",
+    "iterate"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/json-schema-traverse/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/json-schema-traverse#readme",
+  "devDependencies": {
+    "coveralls": "^2.13.1",
+    "eslint": "^3.19.0",
+    "mocha": "^3.4.2",
+    "nyc": "^11.0.2",
+    "pre-commit": "^1.2.2"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  }
+}
diff --git a/node_modules/json-schema-traverse/spec/.eslintrc.yml b/node_modules/json-schema-traverse/spec/.eslintrc.yml
new file mode 100644
index 00000000..3344da7e
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/.eslintrc.yml
@@ -0,0 +1,6 @@
+parserOptions:
+  ecmaVersion: 6
+globals:
+  beforeEach: false
+  describe: false
+  it: false
diff --git a/node_modules/json-schema-traverse/spec/fixtures/schema.js b/node_modules/json-schema-traverse/spec/fixtures/schema.js
new file mode 100644
index 00000000..c51430cd
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/fixtures/schema.js
@@ -0,0 +1,125 @@
+'use strict';
+
+var schema = {
+  additionalItems: subschema('additionalItems'),
+  items: subschema('items'),
+  contains: subschema('contains'),
+  additionalProperties: subschema('additionalProperties'),
+  propertyNames: subschema('propertyNames'),
+  not: subschema('not'),
+  allOf: [
+    subschema('allOf_0'),
+    subschema('allOf_1'),
+    {
+      items: [
+        subschema('items_0'),
+        subschema('items_1'),
+      ]
+    }
+  ],
+  anyOf: [
+    subschema('anyOf_0'),
+    subschema('anyOf_1'),
+  ],
+  oneOf: [
+    subschema('oneOf_0'),
+    subschema('oneOf_1'),
+  ],
+  definitions: {
+    foo: subschema('definitions_foo'),
+    bar: subschema('definitions_bar'),
+  },
+  properties: {
+    foo: subschema('properties_foo'),
+    bar: subschema('properties_bar'),
+  },
+  patternProperties: {
+    foo: subschema('patternProperties_foo'),
+    bar: subschema('patternProperties_bar'),
+  },
+  dependencies: {
+    foo: subschema('dependencies_foo'),
+    bar: subschema('dependencies_bar'),
+  },
+  required: ['foo', 'bar']
+};
+
+
+function subschema(keyword) {
+  var sch = {
+    properties: {},
+    additionalProperties: false,
+    additionalItems: false,
+    anyOf: [
+      {format: 'email'},
+      {format: 'hostname'}
+    ]
+  };
+  sch.properties['foo_' + keyword] = {title: 'foo'};
+  sch.properties['bar_' + keyword] = {title: 'bar'};
+  return sch;
+}
+
+
+module.exports = {
+  schema: schema,
+
+  // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+  expectedCalls: [[schema, '', schema, undefined, undefined, undefined, undefined]]
+    .concat(expectedCalls('additionalItems'))
+    .concat(expectedCalls('items'))
+    .concat(expectedCalls('contains'))
+    .concat(expectedCalls('additionalProperties'))
+    .concat(expectedCalls('propertyNames'))
+    .concat(expectedCalls('not'))
+    .concat(expectedCallsChild('allOf', 0))
+    .concat(expectedCallsChild('allOf', 1))
+    .concat([
+      [schema.allOf[2], '/allOf/2', schema, '', 'allOf', schema, 2],
+      [schema.allOf[2].items[0], '/allOf/2/items/0', schema, '/allOf/2', 'items', schema.allOf[2], 0],
+      [schema.allOf[2].items[0].properties.foo_items_0, '/allOf/2/items/0/properties/foo_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'foo_items_0'],
+      [schema.allOf[2].items[0].properties.bar_items_0, '/allOf/2/items/0/properties/bar_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'bar_items_0'],
+      [schema.allOf[2].items[0].anyOf[0], '/allOf/2/items/0/anyOf/0', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 0],
+      [schema.allOf[2].items[0].anyOf[1], '/allOf/2/items/0/anyOf/1', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 1],
+
+      [schema.allOf[2].items[1], '/allOf/2/items/1', schema, '/allOf/2', 'items', schema.allOf[2], 1],
+      [schema.allOf[2].items[1].properties.foo_items_1, '/allOf/2/items/1/properties/foo_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'foo_items_1'],
+      [schema.allOf[2].items[1].properties.bar_items_1, '/allOf/2/items/1/properties/bar_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'bar_items_1'],
+      [schema.allOf[2].items[1].anyOf[0], '/allOf/2/items/1/anyOf/0', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 0],
+      [schema.allOf[2].items[1].anyOf[1], '/allOf/2/items/1/anyOf/1', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 1]
+    ])
+    .concat(expectedCallsChild('anyOf', 0))
+    .concat(expectedCallsChild('anyOf', 1))
+    .concat(expectedCallsChild('oneOf', 0))
+    .concat(expectedCallsChild('oneOf', 1))
+    .concat(expectedCallsChild('definitions', 'foo'))
+    .concat(expectedCallsChild('definitions', 'bar'))
+    .concat(expectedCallsChild('properties', 'foo'))
+    .concat(expectedCallsChild('properties', 'bar'))
+    .concat(expectedCallsChild('patternProperties', 'foo'))
+    .concat(expectedCallsChild('patternProperties', 'bar'))
+    .concat(expectedCallsChild('dependencies', 'foo'))
+    .concat(expectedCallsChild('dependencies', 'bar'))
+};
+
+
+function expectedCalls(keyword) {
+  return [
+    [schema[keyword], `/${keyword}`, schema, '', keyword, schema, undefined],
+    [schema[keyword].properties[`foo_${keyword}`], `/${keyword}/properties/foo_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `foo_${keyword}`],
+    [schema[keyword].properties[`bar_${keyword}`], `/${keyword}/properties/bar_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `bar_${keyword}`],
+    [schema[keyword].anyOf[0], `/${keyword}/anyOf/0`, schema, `/${keyword}`, 'anyOf', schema[keyword], 0],
+    [schema[keyword].anyOf[1], `/${keyword}/anyOf/1`, schema, `/${keyword}`, 'anyOf', schema[keyword], 1]
+  ];
+}
+
+
+function expectedCallsChild(keyword, i) {
+  return [
+    [schema[keyword][i], `/${keyword}/${i}`, schema, '', keyword, schema, i],
+    [schema[keyword][i].properties[`foo_${keyword}_${i}`], `/${keyword}/${i}/properties/foo_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `foo_${keyword}_${i}`],
+    [schema[keyword][i].properties[`bar_${keyword}_${i}`], `/${keyword}/${i}/properties/bar_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `bar_${keyword}_${i}`],
+    [schema[keyword][i].anyOf[0], `/${keyword}/${i}/anyOf/0`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 0],
+    [schema[keyword][i].anyOf[1], `/${keyword}/${i}/anyOf/1`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 1]
+  ];
+}
diff --git a/node_modules/json-schema-traverse/spec/index.spec.js b/node_modules/json-schema-traverse/spec/index.spec.js
new file mode 100644
index 00000000..c76b64fc
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/index.spec.js
@@ -0,0 +1,171 @@
+'use strict';
+
+var traverse = require('../index');
+var assert = require('assert');
+
+describe('json-schema-traverse', function() {
+  var calls;
+
+  beforeEach(function() {
+    calls = [];
+  });
+
+  it('should traverse all keywords containing schemas recursively', function() {
+    var schema = require('./fixtures/schema').schema;
+    var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+    traverse(schema, {cb: callback});
+    assert.deepStrictEqual(calls, expectedCalls);
+  });
+
+  describe('Legacy v0.3.1 API', function() {
+    it('should traverse all keywords containing schemas recursively', function() {
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should work when an options object is provided', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, {}, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+
+  describe('allKeys option', function() {
+    var schema = {
+      someObject: {
+        minimum: 1,
+        maximum: 2
+      }
+    };
+
+    it('should traverse objects with allKeys: true option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined],
+        [schema.someObject, '/someObject', schema, '', 'someObject', schema, undefined]
+      ];
+
+      traverse(schema, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects with allKeys: false option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {allKeys: false, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects without allKeys option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT travers objects in standard keywords which value is not a schema', function() {
+      var schema2 = {
+        const: {foo: 'bar'},
+        enum: ['a', 'b'],
+        required: ['foo'],
+        another: {
+
+        },
+        patternProperties: {}, // will not traverse - no properties
+        dependencies: true, // will not traverse - invalid
+        properties: {
+          smaller: {
+            type: 'number'
+          },
+          larger: {
+            type: 'number',
+            minimum: {$data: '1/smaller'}
+          }
+        }
+      };
+
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema2, '', schema2, undefined, undefined, undefined, undefined],
+        [schema2.another, '/another', schema2, '', 'another', schema2, undefined],
+        [schema2.properties.smaller, '/properties/smaller', schema2, '', 'properties', schema2, 'smaller'],
+        [schema2.properties.larger, '/properties/larger', schema2, '', 'properties', schema2, 'larger'],
+      ];
+
+      traverse(schema2, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  describe('pre and post', function() {
+    var schema = {
+      type: 'object',
+      properties: {
+        name: {type: 'string'},
+        age: {type: 'number'}
+      }
+    };
+
+    it('should traverse schema in pre-order', function() {
+      traverse(schema, {cb: {pre}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in post-order', function() {
+      traverse(schema, {cb: {post}});
+      var expectedCalls = [
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in pre- and post-order at the same time', function() {
+      traverse(schema, {cb: {pre, post}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  function callback() {
+    calls.push(Array.prototype.slice.call(arguments));
+  }
+
+  function pre() {
+    calls.push(['pre'].concat(Array.prototype.slice.call(arguments)));
+  }
+
+  function post() {
+    calls.push(['post'].concat(Array.prototype.slice.call(arguments)));
+  }
+});
diff --git a/node_modules/json5/LICENSE.md b/node_modules/json5/LICENSE.md
new file mode 100644
index 00000000..2171aca5
--- /dev/null
+++ b/node_modules/json5/LICENSE.md
@@ -0,0 +1,23 @@
+MIT License
+
+Copyright (c) 2012-2018 Aseem Kishore, and [others].
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+[others]: https://github.com/json5/json5/contributors
diff --git a/node_modules/json5/README.md b/node_modules/json5/README.md
new file mode 100644
index 00000000..8e035547
--- /dev/null
+++ b/node_modules/json5/README.md
@@ -0,0 +1,234 @@
+# JSON5 – JSON for Humans
+
+[![Build Status](https://travis-ci.org/json5/json5.svg)][Build Status]
+[![Coverage
+Status](https://coveralls.io/repos/github/json5/json5/badge.svg)][Coverage
+Status]
+
+The JSON5 Data Interchange Format (JSON5) is a superset of [JSON] that aims to
+alleviate some of the limitations of JSON by expanding its syntax to include
+some productions from [ECMAScript 5.1].
+
+This JavaScript library is the official reference implementation for JSON5
+parsing and serialization libraries.
+
+[Build Status]: https://travis-ci.org/json5/json5
+
+[Coverage Status]: https://coveralls.io/github/json5/json5
+
+[JSON]: https://tools.ietf.org/html/rfc7159
+
+[ECMAScript 5.1]: https://www.ecma-international.org/ecma-262/5.1/
+
+## Summary of Features
+The following ECMAScript 5.1 features, which are not supported in JSON, have
+been extended to JSON5.
+
+### Objects
+- Object keys may be an ECMAScript 5.1 _[IdentifierName]_.
+- Objects may have a single trailing comma.
+
+### Arrays
+- Arrays may have a single trailing comma.
+
+### Strings
+- Strings may be single quoted.
+- Strings may span multiple lines by escaping new line characters.
+- Strings may include character escapes.
+
+### Numbers
+- Numbers may be hexadecimal.
+- Numbers may have a leading or trailing decimal point.
+- Numbers may be [IEEE 754] positive infinity, negative infinity, and NaN.
+- Numbers may begin with an explicit plus sign.
+
+### Comments
+- Single and multi-line comments are allowed.
+
+### White Space
+- Additional white space characters are allowed.
+
+[IdentifierName]: https://www.ecma-international.org/ecma-262/5.1/#sec-7.6
+
+[IEEE 754]: http://ieeexplore.ieee.org/servlet/opac?punumber=4610933
+
+## Short Example
+```js
+{
+  // comments
+  unquoted: 'and you can quote me on that',
+  singleQuotes: 'I can use "double quotes" here',
+  lineBreaks: "Look, Mom! \
+No \\n's!",
+  hexadecimal: 0xdecaf,
+  leadingDecimalPoint: .8675309, andTrailing: 8675309.,
+  positiveSign: +1,
+  trailingComma: 'in objects', andIn: ['arrays',],
+  "backwardsCompatible": "with JSON",
+}
+```
+
+## Specification
+For a detailed explanation of the JSON5 format, please read the [official
+specification](https://json5.github.io/json5-spec/).
+
+## Installation
+### Node.js
+```sh
+npm install json5
+```
+
+```js
+const JSON5 = require('json5')
+```
+
+### Browsers
+```html
+<script src="https://unpkg.com/json5@^1.0.0"></script>
+```
+
+This will create a global `JSON5` variable.
+
+## API
+The JSON5 API is compatible with the [JSON API].
+
+[JSON API]:
+https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON
+
+### JSON5.parse()
+Parses a JSON5 string, constructing the JavaScript value or object described by
+the string. An optional reviver function can be provided to perform a
+transformation on the resulting object before it is returned.
+
+#### Syntax
+    JSON5.parse(text[, reviver])
+
+#### Parameters
+- `text`: The string to parse as JSON5.
+- `reviver`: If a function, this prescribes how the value originally produced by
+  parsing is transformed, before being returned.
+
+#### Return value
+The object corresponding to the given JSON5 text.
+
+### JSON5.stringify()
+Converts a JavaScript value to a JSON5 string, optionally replacing values if a
+replacer function is specified, or optionally including only the specified
+properties if a replacer array is specified.
+
+#### Syntax
+    JSON5.stringify(value[, replacer[, space]])
+    JSON5.stringify(value[, options])
+
+#### Parameters
+- `value`: The value to convert to a JSON5 string.
+- `replacer`: A function that alters the behavior of the stringification
+  process, or an array of String and Number objects that serve as a whitelist
+  for selecting/filtering the properties of the value object to be included in
+  the JSON5 string. If this value is null or not provided, all properties of the
+  object are included in the resulting JSON5 string.
+- `space`: A String or Number object that's used to insert white space into the
+  output JSON5 string for readability purposes. If this is a Number, it
+  indicates the number of space characters to use as white space; this number is
+  capped at 10 (if it is greater, the value is just 10). Values less than 1
+  indicate that no space should be used. If this is a String, the string (or the
+  first 10 characters of the string, if it's longer than that) is used as white
+  space. If this parameter is not provided (or is null), no white space is used.
+  If white space is used, trailing commas will be used in objects and arrays.
+- `options`: An object with the following properties:
+  - `replacer`: Same as the `replacer` parameter.
+  - `space`: Same as the `space` parameter.
+  - `quote`: A String representing the quote character to use when serializing
+    strings.
+
+#### Return value
+A JSON5 string representing the value.
+
+### Node.js `require()` JSON5 files
+When using Node.js, you can `require()` JSON5 files by adding the following
+statement.
+
+```js
+require('json5/lib/register')
+```
+
+Then you can load a JSON5 file with a Node.js `require()` statement. For
+example:
+
+```js
+const config = require('./config.json5')
+```
+
+## CLI
+Since JSON is more widely used than JSON5, this package includes a CLI for
+converting JSON5 to JSON and for validating the syntax of JSON5 documents.
+
+### Installation
+```sh
+npm install --global json5
+```
+
+### Usage
+```sh
+json5 [options] <file>
+```
+
+If `<file>` is not provided, then STDIN is used.
+
+#### Options:
+- `-s`, `--space`: The number of spaces to indent or `t` for tabs
+- `-o`, `--out-file [file]`: Output to the specified file, otherwise STDOUT
+- `-v`, `--validate`: Validate JSON5 but do not output JSON
+- `-V`, `--version`: Output the version number
+- `-h`, `--help`: Output usage information
+
+## Contibuting
+### Development
+```sh
+git clone https://github.com/json5/json5
+cd json5
+npm install
+```
+
+When contributing code, please write relevant tests and run `npm test` and `npm
+run lint` before submitting pull requests. Please use an editor that supports
+[EditorConfig](http://editorconfig.org/).
+
+### Issues
+To report bugs or request features regarding the JSON5 data format, please
+submit an issue to the [official specification
+repository](https://github.com/json5/json5-spec).
+
+To report bugs or request features regarding the JavaScript implentation of
+JSON5, please submit an issue to this repository.
+
+## License
+MIT. See [LICENSE.md](./LICENSE.md) for details.
+
+## Credits
+[Assem Kishore](https://github.com/aseemk) founded this project.
+
+[Michael Bolin](http://bolinfest.com/) independently arrived at and published
+some of these same ideas with awesome explanations and detail. Recommended
+reading: [Suggested Improvements to JSON](http://bolinfest.com/essays/json.html)
+
+[Douglas Crockford](http://www.crockford.com/) of course designed and built
+JSON, but his state machine diagrams on the [JSON website](http://json.org/), as
+cheesy as it may sound, gave us motivation and confidence that building a new
+parser to implement these ideas was within reach! The original
+implementation of JSON5 was also modeled directly off of Doug’s open-source
+[json_parse.js] parser. We’re grateful for that clean and well-documented
+code.
+
+[json_parse.js]:
+https://github.com/douglascrockford/JSON-js/blob/master/json_parse.js
+
+[Max Nanasy](https://github.com/MaxNanasy) has been an early and prolific
+supporter, contributing multiple patches and ideas.
+
+[Andrew Eisenberg](https://github.com/aeisenberg) contributed the original
+`stringify` method.
+
+[Jordan Tucker](https://github.com/jordanbtucker) has aligned JSON5 more closely
+with ES5, wrote the official JSON5 specification, completely rewrote the
+codebase from the ground up, and is actively maintaining this project.
diff --git a/node_modules/json5/lib/cli.js b/node_modules/json5/lib/cli.js
new file mode 100644
index 00000000..d15aef0f
--- /dev/null
+++ b/node_modules/json5/lib/cli.js
@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+'use strict';var _fs=require('fs');var _fs2=_interopRequireDefault(_fs);var _path=require('path');var _path2=_interopRequireDefault(_path);var _minimist=require('minimist');var _minimist2=_interopRequireDefault(_minimist);var _package=require('../package.json');var _package2=_interopRequireDefault(_package);var _=require('./');var _2=_interopRequireDefault(_);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}var argv=(0,_minimist2.default)(process.argv.slice(2),{alias:{'convert':'c','space':'s','validate':'v','out-file':'o','version':'V','help':'h'},boolean:['convert','validate','version','help'],string:['space','out-file']});if(argv.version){version()}else if(argv.help){usage()}else{var inFilename=argv._[0];var readStream=void 0;if(inFilename){readStream=_fs2.default.createReadStream(inFilename)}else{readStream=process.stdin}var json5='';readStream.on('data',function(data){json5+=data});readStream.on('end',function(){var space=void 0;if(argv.space==='t'||argv.space==='tab'){space='\t'}else{space=Number(argv.space)}var value=void 0;try{value=_2.default.parse(json5);if(!argv.validate){var json=JSON.stringify(value,null,space);var writeStream=void 0;if(argv.convert&&inFilename&&!argv.o){var parsedFilename=_path2.default.parse(inFilename);var outFilename=_path2.default.format(Object.assign(parsedFilename,{base:_path2.default.basename(parsedFilename.base,parsedFilename.ext)+'.json'}));writeStream=_fs2.default.createWriteStream(outFilename)}else if(argv.o){writeStream=_fs2.default.createWriteStream(argv.o)}else{writeStream=process.stdout}writeStream.write(json)}}catch(err){console.error(err.message);process.exit(1)}})}function version(){console.log(_package2.default.version)}function usage(){console.log('\n  Usage: json5 [options] <file>\n\n  If <file> is not provided, then STDIN is used.\n\n  Options:\n\n    -s, --space              The number of spaces to indent or \'t\' for tabs\n    -o, --out-file [file]    Output to the specified file, otherwise STDOUT\n    -v, --validate           Validate JSON5 but do not output JSON\n    -V, --version            Output the version number\n    -h, --help               Output usage information')}
\ No newline at end of file
diff --git a/node_modules/json5/lib/index.js b/node_modules/json5/lib/index.js
new file mode 100644
index 00000000..c943e654
--- /dev/null
+++ b/node_modules/json5/lib/index.js
@@ -0,0 +1 @@
+'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _parse=require('./parse');var _parse2=_interopRequireDefault(_parse);var _stringify=require('./stringify');var _stringify2=_interopRequireDefault(_stringify);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}exports.default={parse:_parse2.default,stringify:_stringify2.default};module.exports=exports['default'];
\ No newline at end of file
diff --git a/node_modules/json5/lib/parse.js b/node_modules/json5/lib/parse.js
new file mode 100644
index 00000000..f3689305
--- /dev/null
+++ b/node_modules/json5/lib/parse.js
@@ -0,0 +1 @@
+'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _typeof=typeof Symbol==='function'&&typeof Symbol.iterator==='symbol'?function(obj){return typeof obj}:function(obj){return obj&&typeof Symbol==='function'&&obj.constructor===Symbol&&obj!==Symbol.prototype?'symbol':typeof obj};exports.default=parse;var _util=require('./util');var util=_interopRequireWildcard(_util);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}var source=void 0;var parseState=void 0;var stack=void 0;var pos=void 0;var line=void 0;var column=void 0;var token=void 0;var key=void 0;var root=void 0;function parse(text,reviver){source=String(text);parseState='start';stack=[];pos=0;line=1;column=0;token=undefined;key=undefined;root=undefined;do{token=lex();parseStates[parseState]()}while(token.type!=='eof');if(typeof reviver==='function'){return internalize({'':root},'',reviver)}return root}function internalize(holder,name,reviver){var value=holder[name];if(value!=null&&(typeof value==='undefined'?'undefined':_typeof(value))==='object'){if(Array.isArray(value)){for(var i=0;i<value.length;i++){var _key=String(i);var replacement=internalize(value,_key,reviver);if(replacement===undefined){delete value[_key]}else{Object.defineProperty(value,_key,{value:replacement,writable:true,enumerable:true,configurable:true})}}}else{for(var _key2 in value){var _replacement=internalize(value,_key2,reviver);if(_replacement===undefined){delete value[_key2]}else{Object.defineProperty(value,_key2,{value:_replacement,writable:true,enumerable:true,configurable:true})}}}}return reviver.call(holder,name,value)}var lexState=void 0;var buffer=void 0;var doubleQuote=void 0;var _sign=void 0;var c=void 0;function lex(){lexState='default';buffer='';doubleQuote=false;_sign=1;for(;;){c=peek();var _token=lexStates[lexState]();if(_token){return _token}}}function peek(){if(source[pos]){return String.fromCodePoint(source.codePointAt(pos))}}function read(){var c=peek();if(c==='\n'){line++;column=0}else if(c){column+=c.length}else{column++}if(c){pos+=c.length}return c}var lexStates={default:function _default(){switch(c){case'\t':case'\x0B':case'\f':case' ':case'\xA0':case'\uFEFF':case'\n':case'\r':case'\u2028':case'\u2029':read();return;case'/':read();lexState='comment';return;case undefined:read();return newToken('eof');}if(util.isSpaceSeparator(c)){read();return}return lexStates[parseState]()},comment:function comment(){switch(c){case'*':read();lexState='multiLineComment';return;case'/':read();lexState='singleLineComment';return;}throw invalidChar(read())},multiLineComment:function multiLineComment(){switch(c){case'*':read();lexState='multiLineCommentAsterisk';return;case undefined:throw invalidChar(read());}read()},multiLineCommentAsterisk:function multiLineCommentAsterisk(){switch(c){case'*':read();return;case'/':read();lexState='default';return;case undefined:throw invalidChar(read());}read();lexState='multiLineComment'},singleLineComment:function singleLineComment(){switch(c){case'\n':case'\r':case'\u2028':case'\u2029':read();lexState='default';return;case undefined:read();return newToken('eof');}read()},value:function value(){switch(c){case'{':case'[':return newToken('punctuator',read());case'n':read();literal('ull');return newToken('null',null);case't':read();literal('rue');return newToken('boolean',true);case'f':read();literal('alse');return newToken('boolean',false);case'-':case'+':if(read()==='-'){_sign=-1}lexState='sign';return;case'.':buffer=read();lexState='decimalPointLeading';return;case'0':buffer=read();lexState='zero';return;case'1':case'2':case'3':case'4':case'5':case'6':case'7':case'8':case'9':buffer=read();lexState='decimalInteger';return;case'I':read();literal('nfinity');return newToken('numeric',Infinity);case'N':read();literal('aN');return newToken('numeric',NaN);case'"':case'\'':doubleQuote=read()==='"';buffer='';lexState='string';return;}throw invalidChar(read())},identifierNameStartEscape:function identifierNameStartEscape(){if(c!=='u'){throw invalidChar(read())}read();var u=unicodeEscape();switch(u){case'$':case'_':break;default:if(!util.isIdStartChar(u)){throw invalidIdentifier()}break;}buffer+=u;lexState='identifierName'},identifierName:function identifierName(){switch(c){case'$':case'_':case'\u200C':case'\u200D':buffer+=read();return;case'\\':read();lexState='identifierNameEscape';return;}if(util.isIdContinueChar(c)){buffer+=read();return}return newToken('identifier',buffer)},identifierNameEscape:function identifierNameEscape(){if(c!=='u'){throw invalidChar(read())}read();var u=unicodeEscape();switch(u){case'$':case'_':case'\u200C':case'\u200D':break;default:if(!util.isIdContinueChar(u)){throw invalidIdentifier()}break;}buffer+=u;lexState='identifierName'},sign:function sign(){switch(c){case'.':buffer=read();lexState='decimalPointLeading';return;case'0':buffer=read();lexState='zero';return;case'1':case'2':case'3':case'4':case'5':case'6':case'7':case'8':case'9':buffer=read();lexState='decimalInteger';return;case'I':read();literal('nfinity');return newToken('numeric',_sign*Infinity);case'N':read();literal('aN');return newToken('numeric',NaN);}throw invalidChar(read())},zero:function zero(){switch(c){case'.':buffer+=read();lexState='decimalPoint';return;case'e':case'E':buffer+=read();lexState='decimalExponent';return;case'x':case'X':buffer+=read();lexState='hexadecimal';return;}return newToken('numeric',_sign*0)},decimalInteger:function decimalInteger(){switch(c){case'.':buffer+=read();lexState='decimalPoint';return;case'e':case'E':buffer+=read();lexState='decimalExponent';return;}if(util.isDigit(c)){buffer+=read();return}return newToken('numeric',_sign*Number(buffer))},decimalPointLeading:function decimalPointLeading(){if(util.isDigit(c)){buffer+=read();lexState='decimalFraction';return}throw invalidChar(read())},decimalPoint:function decimalPoint(){switch(c){case'e':case'E':buffer+=read();lexState='decimalExponent';return;}if(util.isDigit(c)){buffer+=read();lexState='decimalFraction';return}return newToken('numeric',_sign*Number(buffer))},decimalFraction:function decimalFraction(){switch(c){case'e':case'E':buffer+=read();lexState='decimalExponent';return;}if(util.isDigit(c)){buffer+=read();return}return newToken('numeric',_sign*Number(buffer))},decimalExponent:function decimalExponent(){switch(c){case'+':case'-':buffer+=read();lexState='decimalExponentSign';return;}if(util.isDigit(c)){buffer+=read();lexState='decimalExponentInteger';return}throw invalidChar(read())},decimalExponentSign:function decimalExponentSign(){if(util.isDigit(c)){buffer+=read();lexState='decimalExponentInteger';return}throw invalidChar(read())},decimalExponentInteger:function decimalExponentInteger(){if(util.isDigit(c)){buffer+=read();return}return newToken('numeric',_sign*Number(buffer))},hexadecimal:function hexadecimal(){if(util.isHexDigit(c)){buffer+=read();lexState='hexadecimalInteger';return}throw invalidChar(read())},hexadecimalInteger:function hexadecimalInteger(){if(util.isHexDigit(c)){buffer+=read();return}return newToken('numeric',_sign*Number(buffer))},string:function string(){switch(c){case'\\':read();buffer+=escape();return;case'"':if(doubleQuote){read();return newToken('string',buffer)}buffer+=read();return;case'\'':if(!doubleQuote){read();return newToken('string',buffer)}buffer+=read();return;case'\n':case'\r':throw invalidChar(read());case'\u2028':case'\u2029':separatorChar(c);break;case undefined:throw invalidChar(read());}buffer+=read()},start:function start(){switch(c){case'{':case'[':return newToken('punctuator',read());}lexState='value'},beforePropertyName:function beforePropertyName(){switch(c){case'$':case'_':buffer=read();lexState='identifierName';return;case'\\':read();lexState='identifierNameStartEscape';return;case'}':return newToken('punctuator',read());case'"':case'\'':doubleQuote=read()==='"';lexState='string';return;}if(util.isIdStartChar(c)){buffer+=read();lexState='identifierName';return}throw invalidChar(read())},afterPropertyName:function afterPropertyName(){if(c===':'){return newToken('punctuator',read())}throw invalidChar(read())},beforePropertyValue:function beforePropertyValue(){lexState='value'},afterPropertyValue:function afterPropertyValue(){switch(c){case',':case'}':return newToken('punctuator',read());}throw invalidChar(read())},beforeArrayValue:function beforeArrayValue(){if(c===']'){return newToken('punctuator',read())}lexState='value'},afterArrayValue:function afterArrayValue(){switch(c){case',':case']':return newToken('punctuator',read());}throw invalidChar(read())},end:function end(){throw invalidChar(read())}};function newToken(type,value){return{type:type,value:value,line:line,column:column}}function literal(s){var _iteratorNormalCompletion=true;var _didIteratorError=false;var _iteratorError=undefined;try{for(var _iterator=s[Symbol.iterator](),_step;!(_iteratorNormalCompletion=(_step=_iterator.next()).done);_iteratorNormalCompletion=true){var _c=_step.value;var p=peek();if(p!==_c){throw invalidChar(read())}read()}}catch(err){_didIteratorError=true;_iteratorError=err}finally{try{if(!_iteratorNormalCompletion&&_iterator.return){_iterator.return()}}finally{if(_didIteratorError){throw _iteratorError}}}}function escape(){var c=peek();switch(c){case'b':read();return'\b';case'f':read();return'\f';case'n':read();return'\n';case'r':read();return'\r';case't':read();return'\t';case'v':read();return'\x0B';case'0':read();if(util.isDigit(peek())){throw invalidChar(read())}return'\0';case'x':read();return hexEscape();case'u':read();return unicodeEscape();case'\n':case'\u2028':case'\u2029':read();return'';case'\r':read();if(peek()==='\n'){read()}return'';case'1':case'2':case'3':case'4':case'5':case'6':case'7':case'8':case'9':throw invalidChar(read());case undefined:throw invalidChar(read());}return read()}function hexEscape(){var buffer='';var c=peek();if(!util.isHexDigit(c)){throw invalidChar(read())}buffer+=read();c=peek();if(!util.isHexDigit(c)){throw invalidChar(read())}buffer+=read();return String.fromCodePoint(parseInt(buffer,16))}function unicodeEscape(){var buffer='';var count=4;while(count-->0){var _c2=peek();if(!util.isHexDigit(_c2)){throw invalidChar(read())}buffer+=read()}return String.fromCodePoint(parseInt(buffer,16))}var parseStates={start:function start(){if(token.type==='eof'){throw invalidEOF()}push()},beforePropertyName:function beforePropertyName(){switch(token.type){case'identifier':case'string':key=token.value;parseState='afterPropertyName';return;case'punctuator':pop();return;case'eof':throw invalidEOF();}},afterPropertyName:function afterPropertyName(){if(token.type==='eof'){throw invalidEOF()}parseState='beforePropertyValue'},beforePropertyValue:function beforePropertyValue(){if(token.type==='eof'){throw invalidEOF()}push()},beforeArrayValue:function beforeArrayValue(){if(token.type==='eof'){throw invalidEOF()}if(token.type==='punctuator'&&token.value===']'){pop();return}push()},afterPropertyValue:function afterPropertyValue(){if(token.type==='eof'){throw invalidEOF()}switch(token.value){case',':parseState='beforePropertyName';return;case'}':pop();}},afterArrayValue:function afterArrayValue(){if(token.type==='eof'){throw invalidEOF()}switch(token.value){case',':parseState='beforeArrayValue';return;case']':pop();}},end:function end(){}};function push(){var value=void 0;switch(token.type){case'punctuator':switch(token.value){case'{':value={};break;case'[':value=[];break;}break;case'null':case'boolean':case'numeric':case'string':value=token.value;break;}if(root===undefined){root=value}else{var parent=stack[stack.length-1];if(Array.isArray(parent)){parent.push(value)}else{Object.defineProperty(parent,key,{value:value,writable:true,enumerable:true,configurable:true})}}if(value!==null&&(typeof value==='undefined'?'undefined':_typeof(value))==='object'){stack.push(value);if(Array.isArray(value)){parseState='beforeArrayValue'}else{parseState='beforePropertyName'}}else{var current=stack[stack.length-1];if(current==null){parseState='end'}else if(Array.isArray(current)){parseState='afterArrayValue'}else{parseState='afterPropertyValue'}}}function pop(){stack.pop();var current=stack[stack.length-1];if(current==null){parseState='end'}else if(Array.isArray(current)){parseState='afterArrayValue'}else{parseState='afterPropertyValue'}}function invalidChar(c){if(c===undefined){return syntaxError('JSON5: invalid end of input at '+line+':'+column)}return syntaxError('JSON5: invalid character \''+formatChar(c)+'\' at '+line+':'+column)}function invalidEOF(){return syntaxError('JSON5: invalid end of input at '+line+':'+column)}function invalidIdentifier(){column-=5;return syntaxError('JSON5: invalid identifier character at '+line+':'+column)}function separatorChar(c){console.warn('JSON5: \''+c+'\' is not valid ECMAScript; consider escaping')}function formatChar(c){var replacements={'\'':'\\\'','"':'\\"','\\':'\\\\','\b':'\\b','\f':'\\f','\n':'\\n','\r':'\\r','\t':'\\t','\x0B':'\\v','\0':'\\0','\u2028':'\\u2028','\u2029':'\\u2029'};if(replacements[c]){return replacements[c]}if(c<' '){var hexString=c.charCodeAt(0).toString(16);return'\\x'+('00'+hexString).substring(hexString.length)}return c}function syntaxError(message){var err=new SyntaxError(message);err.lineNumber=line;err.columnNumber=column;return err}module.exports=exports['default'];
\ No newline at end of file
diff --git a/node_modules/json5/lib/register.js b/node_modules/json5/lib/register.js
new file mode 100644
index 00000000..aa16e96b
--- /dev/null
+++ b/node_modules/json5/lib/register.js
@@ -0,0 +1 @@
+'use strict';var _fs=require('fs');var _fs2=_interopRequireDefault(_fs);var _=require('./');var _2=_interopRequireDefault(_);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}require.extensions['.json5']=function(module,filename){var content=_fs2.default.readFileSync(filename,'utf8');try{module.exports=_2.default.parse(content)}catch(err){err.message=filename+': '+err.message;throw err}};
\ No newline at end of file
diff --git a/node_modules/json5/lib/require.js b/node_modules/json5/lib/require.js
new file mode 100644
index 00000000..dfdc039d
--- /dev/null
+++ b/node_modules/json5/lib/require.js
@@ -0,0 +1 @@
+"use strict";require("./register");console.warn("'json5/require' is deprecated. Please use 'json5/register' instead.");
\ No newline at end of file
diff --git a/node_modules/json5/lib/stringify.js b/node_modules/json5/lib/stringify.js
new file mode 100644
index 00000000..ce6917e9
--- /dev/null
+++ b/node_modules/json5/lib/stringify.js
@@ -0,0 +1 @@
+'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _typeof=typeof Symbol==='function'&&typeof Symbol.iterator==='symbol'?function(obj){return typeof obj}:function(obj){return obj&&typeof Symbol==='function'&&obj.constructor===Symbol&&obj!==Symbol.prototype?'symbol':typeof obj};exports.default=stringify;var _util=require('./util');var util=_interopRequireWildcard(_util);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}function stringify(value,replacer,space){var stack=[];var indent='';var propertyList=void 0;var replacerFunc=void 0;var gap='';var quote=void 0;if(replacer!=null&&(typeof replacer==='undefined'?'undefined':_typeof(replacer))==='object'&&!Array.isArray(replacer)){space=replacer.space;quote=replacer.quote;replacer=replacer.replacer}if(typeof replacer==='function'){replacerFunc=replacer}else if(Array.isArray(replacer)){propertyList=[];var _iteratorNormalCompletion=true;var _didIteratorError=false;var _iteratorError=undefined;try{for(var _iterator=replacer[Symbol.iterator](),_step;!(_iteratorNormalCompletion=(_step=_iterator.next()).done);_iteratorNormalCompletion=true){var v=_step.value;var item=void 0;if(typeof v==='string'){item=v}else if(typeof v==='number'||v instanceof String||v instanceof Number){item=String(v)}if(item!==undefined&&propertyList.indexOf(item)<0){propertyList.push(item)}}}catch(err){_didIteratorError=true;_iteratorError=err}finally{try{if(!_iteratorNormalCompletion&&_iterator.return){_iterator.return()}}finally{if(_didIteratorError){throw _iteratorError}}}}if(space instanceof Number){space=Number(space)}else if(space instanceof String){space=String(space)}if(typeof space==='number'){if(space>0){space=Math.min(10,Math.floor(space));gap='          '.substr(0,space)}}else if(typeof space==='string'){gap=space.substr(0,10)}return serializeProperty('',{'':value});function serializeProperty(key,holder){var value=holder[key];if(value!=null){if(typeof value.toJSON5==='function'){value=value.toJSON5(key)}else if(typeof value.toJSON==='function'){value=value.toJSON(key)}}if(replacerFunc){value=replacerFunc.call(holder,key,value)}if(value instanceof Number){value=Number(value)}else if(value instanceof String){value=String(value)}else if(value instanceof Boolean){value=value.valueOf()}switch(value){case null:return'null';case true:return'true';case false:return'false';}if(typeof value==='string'){return quoteString(value,false)}if(typeof value==='number'){return String(value)}if((typeof value==='undefined'?'undefined':_typeof(value))==='object'){return Array.isArray(value)?serializeArray(value):serializeObject(value)}return undefined}function quoteString(value){var quotes={'\'':0.1,'"':0.2};var replacements={'\'':'\\\'','"':'\\"','\\':'\\\\','\b':'\\b','\f':'\\f','\n':'\\n','\r':'\\r','\t':'\\t','\x0B':'\\v','\0':'\\0','\u2028':'\\u2028','\u2029':'\\u2029'};var product='';var _iteratorNormalCompletion2=true;var _didIteratorError2=false;var _iteratorError2=undefined;try{for(var _iterator2=value[Symbol.iterator](),_step2;!(_iteratorNormalCompletion2=(_step2=_iterator2.next()).done);_iteratorNormalCompletion2=true){var c=_step2.value;switch(c){case'\'':case'"':quotes[c]++;product+=c;continue;}if(replacements[c]){product+=replacements[c];continue}if(c<' '){var hexString=c.charCodeAt(0).toString(16);product+='\\x'+('00'+hexString).substring(hexString.length);continue}product+=c}}catch(err){_didIteratorError2=true;_iteratorError2=err}finally{try{if(!_iteratorNormalCompletion2&&_iterator2.return){_iterator2.return()}}finally{if(_didIteratorError2){throw _iteratorError2}}}var quoteChar=quote||Object.keys(quotes).reduce(function(a,b){return quotes[a]<quotes[b]?a:b});product=product.replace(new RegExp(quoteChar,'g'),replacements[quoteChar]);return quoteChar+product+quoteChar}function serializeObject(value){if(stack.indexOf(value)>=0){throw TypeError('Converting circular structure to JSON5')}stack.push(value);var stepback=indent;indent=indent+gap;var keys=propertyList||Object.keys(value);var partial=[];var _iteratorNormalCompletion3=true;var _didIteratorError3=false;var _iteratorError3=undefined;try{for(var _iterator3=keys[Symbol.iterator](),_step3;!(_iteratorNormalCompletion3=(_step3=_iterator3.next()).done);_iteratorNormalCompletion3=true){var key=_step3.value;var propertyString=serializeProperty(key,value);if(propertyString!==undefined){var member=serializeKey(key)+':';if(gap!==''){member+=' '}member+=propertyString;partial.push(member)}}}catch(err){_didIteratorError3=true;_iteratorError3=err}finally{try{if(!_iteratorNormalCompletion3&&_iterator3.return){_iterator3.return()}}finally{if(_didIteratorError3){throw _iteratorError3}}}var final=void 0;if(partial.length===0){final='{}'}else{var properties=void 0;if(gap===''){properties=partial.join(',');final='{'+properties+'}'}else{var separator=',\n'+indent;properties=partial.join(separator);final='{\n'+indent+properties+',\n'+stepback+'}'}}stack.pop();indent=stepback;return final}function serializeKey(key){if(key.length===0){return quoteString(key,true)}var firstChar=String.fromCodePoint(key.codePointAt(0));if(!util.isIdStartChar(firstChar)){return quoteString(key,true)}for(var i=firstChar.length;i<key.length;i++){if(!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))){return quoteString(key,true)}}return key}function serializeArray(value){if(stack.indexOf(value)>=0){throw TypeError('Converting circular structure to JSON5')}stack.push(value);var stepback=indent;indent=indent+gap;var partial=[];for(var i=0;i<value.length;i++){var propertyString=serializeProperty(String(i),value);partial.push(propertyString!==undefined?propertyString:'null')}var final=void 0;if(partial.length===0){final='[]'}else{if(gap===''){var properties=partial.join(',');final='['+properties+']'}else{var separator=',\n'+indent;var _properties=partial.join(separator);final='[\n'+indent+_properties+',\n'+stepback+']'}}stack.pop();indent=stepback;return final}}module.exports=exports['default'];
\ No newline at end of file
diff --git a/node_modules/json5/lib/unicode.js b/node_modules/json5/lib/unicode.js
new file mode 100644
index 00000000..fa664cf0
--- /dev/null
+++ b/node_modules/json5/lib/unicode.js
@@ -0,0 +1 @@
+"use strict";Object.defineProperty(exports,"__esModule",{value:true});var Space_Separator=exports.Space_Separator=/[\u1680\u2000-\u200A\u202F\u205F\u3000]/;var 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ID_Continue=exports.ID_Continue=/[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D01-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF6\u1CF8\u1CF9\u1D00-\u1DF5\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE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\ No newline at end of file
diff --git a/node_modules/json5/lib/util.js b/node_modules/json5/lib/util.js
new file mode 100644
index 00000000..d8848872
--- /dev/null
+++ b/node_modules/json5/lib/util.js
@@ -0,0 +1 @@
+'use strict';Object.defineProperty(exports,'__esModule',{value:true});exports.isSpaceSeparator=isSpaceSeparator;exports.isIdStartChar=isIdStartChar;exports.isIdContinueChar=isIdContinueChar;exports.isDigit=isDigit;exports.isHexDigit=isHexDigit;var _unicode=require('../lib/unicode');var unicode=_interopRequireWildcard(_unicode);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}function isSpaceSeparator(c){return unicode.Space_Separator.test(c)}function isIdStartChar(c){return c>='a'&&c<='z'||c>='A'&&c<='Z'||c==='$'||c==='_'||unicode.ID_Start.test(c)}function isIdContinueChar(c){return c>='a'&&c<='z'||c>='A'&&c<='Z'||c>='0'&&c<='9'||c==='$'||c==='_'||c==='\u200C'||c==='\u200D'||unicode.ID_Continue.test(c)}function isDigit(c){return /[0-9]/.test(c)}function isHexDigit(c){return /[0-9A-Fa-f]/.test(c)}
\ No newline at end of file
diff --git a/node_modules/json5/package.json b/node_modules/json5/package.json
new file mode 100644
index 00000000..87f84a03
--- /dev/null
+++ b/node_modules/json5/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "json5",
+  "version": "1.0.2",
+  "description": "JSON for humans.",
+  "main": "lib/index.js",
+  "bin": "lib/cli.js",
+  "browser": "dist/index.js",
+  "files": [
+    "lib/",
+    "dist/"
+  ],
+  "scripts": {
+    "build": "babel-node build/build.js && babel src -d lib && rollup -c",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "lint": "eslint --fix build src",
+    "prepublishOnly": "npm run lint && npm test && npm run production",
+    "pretest": "cross-env NODE_ENV=test npm run build",
+    "preversion": "npm run lint && npm test && npm run production",
+    "production": "cross-env NODE_ENV=production npm run build",
+    "test": "nyc --reporter=html --reporter=text mocha"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/json5/json5.git"
+  },
+  "keywords": [
+    "json",
+    "json5",
+    "es5",
+    "es2015",
+    "ecmascript"
+  ],
+  "author": "Aseem Kishore <aseem.kishore@gmail.com>",
+  "contributors": [
+    "Max Nanasy <max.nanasy@gmail.com>",
+    "Andrew Eisenberg <andrew@eisenberg.as>",
+    "Jordan Tucker <jordanbtucker@gmail.com>"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/json5/json5/issues"
+  },
+  "homepage": "http://json5.org/",
+  "dependencies": {
+    "minimist": "^1.2.0"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-core": "^6.26.0",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-plugin-istanbul": "^4.1.5",
+    "babel-preset-env": "^1.6.1",
+    "babel-register": "^6.26.0",
+    "babelrc-rollup": "^3.0.0",
+    "coveralls": "^3.0.0",
+    "cross-env": "^5.1.4",
+    "del": "^3.0.0",
+    "eslint": "^4.18.2",
+    "eslint-config-standard": "^11.0.0",
+    "eslint-plugin-import": "^2.9.0",
+    "eslint-plugin-node": "^6.0.1",
+    "eslint-plugin-promise": "^3.7.0",
+    "eslint-plugin-standard": "^3.0.1",
+    "mocha": "^5.0.4",
+    "nyc": "^11.4.1",
+    "regenerate": "^1.3.3",
+    "rollup": "^0.56.5",
+    "rollup-plugin-babel": "^3.0.3",
+    "rollup-plugin-commonjs": "^9.0.0",
+    "rollup-plugin-node-resolve": "^3.2.0",
+    "rollup-plugin-uglify": "^3.0.0",
+    "sinon": "^4.4.2",
+    "unicode-9.0.0": "^0.7.5"
+  }
+}
diff --git a/node_modules/kind-of/CHANGELOG.md b/node_modules/kind-of/CHANGELOG.md
new file mode 100644
index 00000000..01687d5c
--- /dev/null
+++ b/node_modules/kind-of/CHANGELOG.md
@@ -0,0 +1,160 @@
+# Release history
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+<details>
+  <summary><strong>Guiding Principles</strong></summary>
+
+- Changelogs are for humans, not machines.
+- There should be an entry for every single version.
+- The same types of changes should be grouped.
+- Versions and sections should be linkable.
+- The latest version comes first.
+- The release date of each versions is displayed.
+- Mention whether you follow Semantic Versioning.
+
+</details>
+
+<details>
+  <summary><strong>Types of changes</strong></summary>
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog](http://keepachangelog.com/)_):
+
+- `Added` for new features.
+- `Changed` for changes in existing functionality.
+- `Deprecated` for soon-to-be removed features.
+- `Removed` for now removed features.
+- `Fixed` for any bug fixes.
+- `Security` in case of vulnerabilities.
+
+</details>
+
+## [6.0.3] - 2020-01-16
+
+- Merge pull request #31 for issue #30
+
+## [6.0.0] - 2017-10-13
+
+- refactor code to be more performant
+- refactor benchmarks
+
+## [5.1.0] - 2017-10-13
+
+**Added**
+
+- Merge pull request #15 from aretecode/patch-1
+- adds support and tests for string & array iterators
+
+**Changed**
+
+- updates benchmarks
+
+## [5.0.2] - 2017-08-02
+
+- Merge pull request #14 from struct78/master
+- Added `undefined` check
+
+## [5.0.0] - 2017-06-21
+
+- Merge pull request #12 from aretecode/iterator
+- Set Iterator + Map Iterator
+- streamline `isbuffer`, minor edits
+
+## [4.0.0] - 2017-05-19
+
+- Merge pull request #8 from tunnckoCore/master
+- update deps
+
+## [3.2.2] - 2017-05-16
+
+- fix version
+
+## [3.2.1] - 2017-05-16
+
+- add browserify
+
+## [3.2.0] - 2017-04-25
+
+- Merge pull request #10 from ksheedlo/unrequire-buffer
+- add `promise` support and tests
+- Remove unnecessary `Buffer` check
+
+## [3.1.0] - 2016-12-07
+
+- Merge pull request #7 from laggingreflex/err
+- add support for `error` and tests
+- run update
+
+## [3.0.4] - 2016-07-29
+
+- move tests
+- run update
+
+## [3.0.3] - 2016-05-03
+
+- fix prepublish script
+- remove unused dep
+
+## [3.0.0] - 2015-11-17
+
+- add typed array support
+- Merge pull request #5 from miguelmota/typed-arrays
+- adds new tests
+
+## [2.0.1] - 2015-08-21
+
+- use `is-buffer` module
+
+## [2.0.0] - 2015-05-31
+
+- Create fallback for `Array.isArray` if used as a browser package
+- Merge pull request #2 from dtothefp/patch-1
+- Merge pull request #3 from pdehaan/patch-1
+- Merge branch 'master' of https://github.com/chorks/kind-of into chorks-master
+- optimizations, mostly date and regex
+
+## [1.1.0] - 2015-02-09
+
+- adds `buffer` support
+- adds tests for `buffer`
+
+## [1.0.0] - 2015-01-19
+
+- update benchmarks
+- optimizations based on benchmarks
+
+## [0.1.2] - 2014-10-26
+
+- return `typeof` value if it's not an object. very slight speed improvement
+- use `.slice`
+- adds benchmarks
+
+## [0.1.0] - 2014-9-26
+
+- first commit
+
+[6.0.0]: https://github.com/jonschlinkert/kind-of/compare/5.1.0...6.0.0
+[5.1.0]: https://github.com/jonschlinkert/kind-of/compare/5.0.2...5.1.0
+[5.0.2]: https://github.com/jonschlinkert/kind-of/compare/5.0.1...5.0.2
+[5.0.1]: https://github.com/jonschlinkert/kind-of/compare/5.0.0...5.0.1
+[5.0.0]: https://github.com/jonschlinkert/kind-of/compare/4.0.0...5.0.0
+[4.0.0]: https://github.com/jonschlinkert/kind-of/compare/3.2.2...4.0.0
+[3.2.2]: https://github.com/jonschlinkert/kind-of/compare/3.2.1...3.2.2
+[3.2.1]: https://github.com/jonschlinkert/kind-of/compare/3.2.0...3.2.1
+[3.2.0]: https://github.com/jonschlinkert/kind-of/compare/3.1.0...3.2.0
+[3.1.0]: https://github.com/jonschlinkert/kind-of/compare/3.0.4...3.1.0
+[3.0.4]: https://github.com/jonschlinkert/kind-of/compare/3.0.3...3.0.4
+[3.0.3]: https://github.com/jonschlinkert/kind-of/compare/3.0.0...3.0.3
+[3.0.0]: https://github.com/jonschlinkert/kind-of/compare/2.0.1...3.0.0
+[2.0.1]: https://github.com/jonschlinkert/kind-of/compare/2.0.0...2.0.1
+[2.0.0]: https://github.com/jonschlinkert/kind-of/compare/1.1.0...2.0.0
+[1.1.0]: https://github.com/jonschlinkert/kind-of/compare/1.0.0...1.1.0
+[1.0.0]: https://github.com/jonschlinkert/kind-of/compare/0.1.2...1.0.0
+[0.1.2]: https://github.com/jonschlinkert/kind-of/compare/0.1.0...0.1.2
+[0.1.0]: https://github.com/jonschlinkert/kind-of/commit/2fae09b0b19b1aadb558e9be39f0c3ef6034eb87
+
+[Unreleased]: https://github.com/jonschlinkert/kind-of/compare/0.1.2...HEAD
+[keep-a-changelog]: https://github.com/olivierlacan/keep-a-changelog
\ No newline at end of file
diff --git a/node_modules/kind-of/LICENSE b/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..3f2eca18
--- /dev/null
+++ b/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/kind-of/README.md b/node_modules/kind-of/README.md
new file mode 100644
index 00000000..0411dc58
--- /dev/null
+++ b/node_modules/kind-of/README.md
@@ -0,0 +1,367 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Why use this?
+
+1. [it's fast](#benchmarks) | [optimizations](#optimizations)
+2. [better type checking](#better-type-checking)
+
+## Usage
+
+> es5, es6, and browser ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(new Error('error'));
+//=> 'error'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'generatorfunction'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+
+```bash
+# arguments (32 bytes)
+  kind-of x 17,024,098 ops/sec ±1.90% (86 runs sampled)
+  lib-type-of x 11,926,235 ops/sec ±1.34% (83 runs sampled)
+  lib-typeof x 9,245,257 ops/sec ±1.22% (87 runs sampled)
+
+  fastest is kind-of (by 161% avg)
+
+# array (22 bytes)
+  kind-of x 17,196,492 ops/sec ±1.07% (88 runs sampled)
+  lib-type-of x 8,838,283 ops/sec ±1.02% (87 runs sampled)
+  lib-typeof x 8,677,848 ops/sec ±0.87% (87 runs sampled)
+
+  fastest is kind-of (by 196% avg)
+
+# boolean (24 bytes)
+  kind-of x 16,841,600 ops/sec ±1.10% (86 runs sampled)
+  lib-type-of x 8,096,787 ops/sec ±0.95% (87 runs sampled)
+  lib-typeof x 8,423,345 ops/sec ±1.15% (86 runs sampled)
+
+  fastest is kind-of (by 204% avg)
+
+# buffer (38 bytes)
+  kind-of x 14,848,060 ops/sec ±1.05% (86 runs sampled)
+  lib-type-of x 3,671,577 ops/sec ±1.49% (87 runs sampled)
+  lib-typeof x 8,360,236 ops/sec ±1.24% (86 runs sampled)
+
+  fastest is kind-of (by 247% avg)
+
+# date (30 bytes)
+  kind-of x 16,067,761 ops/sec ±1.58% (86 runs sampled)
+  lib-type-of x 8,954,436 ops/sec ±1.40% (87 runs sampled)
+  lib-typeof x 8,488,307 ops/sec ±1.51% (84 runs sampled)
+
+  fastest is kind-of (by 184% avg)
+
+# error (36 bytes)
+  kind-of x 9,634,090 ops/sec ±1.12% (89 runs sampled)
+  lib-type-of x 7,735,624 ops/sec ±1.32% (86 runs sampled)
+  lib-typeof x 7,442,160 ops/sec ±1.11% (90 runs sampled)
+
+  fastest is kind-of (by 127% avg)
+
+# function (34 bytes)
+  kind-of x 10,031,494 ops/sec ±1.27% (86 runs sampled)
+  lib-type-of x 9,502,757 ops/sec ±1.17% (89 runs sampled)
+  lib-typeof x 8,278,985 ops/sec ±1.08% (88 runs sampled)
+
+  fastest is kind-of (by 113% avg)
+
+# null (24 bytes)
+  kind-of x 18,159,808 ops/sec ±1.92% (86 runs sampled)
+  lib-type-of x 12,927,635 ops/sec ±1.01% (88 runs sampled)
+  lib-typeof x 7,958,234 ops/sec ±1.21% (89 runs sampled)
+
+  fastest is kind-of (by 174% avg)
+
+# number (22 bytes)
+  kind-of x 17,846,779 ops/sec ±0.91% (85 runs sampled)
+  lib-type-of x 3,316,636 ops/sec ±1.19% (86 runs sampled)
+  lib-typeof x 2,329,477 ops/sec ±2.21% (85 runs sampled)
+
+  fastest is kind-of (by 632% avg)
+
+# object-plain (47 bytes)
+  kind-of x 7,085,155 ops/sec ±1.05% (88 runs sampled)
+  lib-type-of x 8,870,930 ops/sec ±1.06% (83 runs sampled)
+  lib-typeof x 8,716,024 ops/sec ±1.05% (87 runs sampled)
+
+  fastest is lib-type-of (by 112% avg)
+
+# regex (25 bytes)
+  kind-of x 14,196,052 ops/sec ±1.65% (84 runs sampled)
+  lib-type-of x 9,554,164 ops/sec ±1.25% (88 runs sampled)
+  lib-typeof x 8,359,691 ops/sec ±1.07% (87 runs sampled)
+
+  fastest is kind-of (by 158% avg)
+
+# string (33 bytes)
+  kind-of x 16,131,428 ops/sec ±1.41% (85 runs sampled)
+  lib-type-of x 7,273,172 ops/sec ±1.05% (87 runs sampled)
+  lib-typeof x 7,382,635 ops/sec ±1.17% (85 runs sampled)
+
+  fastest is kind-of (by 220% avg)
+
+# symbol (34 bytes)
+  kind-of x 17,011,537 ops/sec ±1.24% (86 runs sampled)
+  lib-type-of x 3,492,454 ops/sec ±1.23% (89 runs sampled)
+  lib-typeof x 7,471,235 ops/sec ±2.48% (87 runs sampled)
+
+  fastest is kind-of (by 310% avg)
+
+# template-strings (36 bytes)
+  kind-of x 15,434,250 ops/sec ±1.46% (83 runs sampled)
+  lib-type-of x 7,157,907 ops/sec ±0.97% (87 runs sampled)
+  lib-typeof x 7,517,986 ops/sec ±0.92% (86 runs sampled)
+
+  fastest is kind-of (by 210% avg)
+
+# undefined (29 bytes)
+  kind-of x 19,167,115 ops/sec ±1.71% (87 runs sampled)
+  lib-type-of x 15,477,740 ops/sec ±1.63% (85 runs sampled)
+  lib-typeof x 19,075,495 ops/sec ±1.17% (83 runs sampled)
+
+  fastest is lib-typeof,kind-of
+
+```
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+4. There is no reason to make the code in a microlib as terse as possible, just to win points for making it shorter. It's always better to favor performant code over terse code. You will always only be using a single `require()` statement to use the library anyway, regardless of how the code is written.
+
+## Better type checking
+
+kind-of seems to be more consistently "correct" than other type checking libs I've looked at. For example, here are some differing results from other popular libs:
+
+### [typeof](https://github.com/CodingFu/typeof) lib
+
+Incorrectly identifies instances of custom constructors (pretty common):
+
+```js
+var typeOf = require('typeof');
+function Test() {}
+console.log(typeOf(new Test()));
+//=> 'test'
+```
+
+Returns `object` instead of `arguments`:
+
+```js
+function foo() {
+  console.log(typeOf(arguments)) //=> 'object'
+}
+foo();
+```
+
+### [type-of](https://github.com/ForbesLindesay/type-of) lib
+
+Incorrectly returns `object` for generator functions, buffers, `Map`, `Set`, `WeakMap` and `WeakSet`:
+
+```js
+function * foo() {}
+console.log(typeOf(foo));
+//=> 'object'
+console.log(typeOf(new Buffer('')));
+//=> 'object'
+console.log(typeOf(new Map()));
+//=> 'object'
+console.log(typeOf(new Set()));
+//=> 'object'
+console.log(typeOf(new WeakMap()));
+//=> 'object'
+console.log(typeOf(new WeakSet()));
+//=> 'object'
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/micromatch/is-glob) | [homepage](https://github.com/micromatch/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if a number or string value is a finite number. Useful for regex… [more](https://github.com/jonschlinkert/is-number) | [homepage](https://github.com/jonschlinkert/is-number "Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributors
+
+| **Commits** | **Contributor** |  
+| --- | --- |  
+| 102 | [jonschlinkert](https://github.com/jonschlinkert) |  
+| 3   | [aretecode](https://github.com/aretecode) |  
+| 2   | [miguelmota](https://github.com/miguelmota) |  
+| 1   | [doowb](https://github.com/doowb) |  
+| 1   | [dtothefp](https://github.com/dtothefp) |  
+| 1   | [ianstormtaylor](https://github.com/ianstormtaylor) |  
+| 1   | [ksheedlo](https://github.com/ksheedlo) |  
+| 1   | [pdehaan](https://github.com/pdehaan) |  
+| 1   | [laggingreflex](https://github.com/laggingreflex) |  
+| 1   | [tunnckoCore](https://github.com/tunnckoCore) |  
+| 1   | [xiaofen9](https://github.com/xiaofen9) |  
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+### License
+
+Copyright © 2020, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on January 16, 2020._
\ No newline at end of file
diff --git a/node_modules/kind-of/index.js b/node_modules/kind-of/index.js
new file mode 100644
index 00000000..dfa799b7
--- /dev/null
+++ b/node_modules/kind-of/index.js
@@ -0,0 +1,129 @@
+var toString = Object.prototype.toString;
+
+module.exports = function kindOf(val) {
+  if (val === void 0) return 'undefined';
+  if (val === null) return 'null';
+
+  var type = typeof val;
+  if (type === 'boolean') return 'boolean';
+  if (type === 'string') return 'string';
+  if (type === 'number') return 'number';
+  if (type === 'symbol') return 'symbol';
+  if (type === 'function') {
+    return isGeneratorFn(val) ? 'generatorfunction' : 'function';
+  }
+
+  if (isArray(val)) return 'array';
+  if (isBuffer(val)) return 'buffer';
+  if (isArguments(val)) return 'arguments';
+  if (isDate(val)) return 'date';
+  if (isError(val)) return 'error';
+  if (isRegexp(val)) return 'regexp';
+
+  switch (ctorName(val)) {
+    case 'Symbol': return 'symbol';
+    case 'Promise': return 'promise';
+
+    // Set, Map, WeakSet, WeakMap
+    case 'WeakMap': return 'weakmap';
+    case 'WeakSet': return 'weakset';
+    case 'Map': return 'map';
+    case 'Set': return 'set';
+
+    // 8-bit typed arrays
+    case 'Int8Array': return 'int8array';
+    case 'Uint8Array': return 'uint8array';
+    case 'Uint8ClampedArray': return 'uint8clampedarray';
+
+    // 16-bit typed arrays
+    case 'Int16Array': return 'int16array';
+    case 'Uint16Array': return 'uint16array';
+
+    // 32-bit typed arrays
+    case 'Int32Array': return 'int32array';
+    case 'Uint32Array': return 'uint32array';
+    case 'Float32Array': return 'float32array';
+    case 'Float64Array': return 'float64array';
+  }
+
+  if (isGeneratorObj(val)) {
+    return 'generator';
+  }
+
+  // Non-plain objects
+  type = toString.call(val);
+  switch (type) {
+    case '[object Object]': return 'object';
+    // iterators
+    case '[object Map Iterator]': return 'mapiterator';
+    case '[object Set Iterator]': return 'setiterator';
+    case '[object String Iterator]': return 'stringiterator';
+    case '[object Array Iterator]': return 'arrayiterator';
+  }
+
+  // other
+  return type.slice(8, -1).toLowerCase().replace(/\s/g, '');
+};
+
+function ctorName(val) {
+  return typeof val.constructor === 'function' ? val.constructor.name : null;
+}
+
+function isArray(val) {
+  if (Array.isArray) return Array.isArray(val);
+  return val instanceof Array;
+}
+
+function isError(val) {
+  return val instanceof Error || (typeof val.message === 'string' && val.constructor && typeof val.constructor.stackTraceLimit === 'number');
+}
+
+function isDate(val) {
+  if (val instanceof Date) return true;
+  return typeof val.toDateString === 'function'
+    && typeof val.getDate === 'function'
+    && typeof val.setDate === 'function';
+}
+
+function isRegexp(val) {
+  if (val instanceof RegExp) return true;
+  return typeof val.flags === 'string'
+    && typeof val.ignoreCase === 'boolean'
+    && typeof val.multiline === 'boolean'
+    && typeof val.global === 'boolean';
+}
+
+function isGeneratorFn(name, val) {
+  return ctorName(name) === 'GeneratorFunction';
+}
+
+function isGeneratorObj(val) {
+  return typeof val.throw === 'function'
+    && typeof val.return === 'function'
+    && typeof val.next === 'function';
+}
+
+function isArguments(val) {
+  try {
+    if (typeof val.length === 'number' && typeof val.callee === 'function') {
+      return true;
+    }
+  } catch (err) {
+    if (err.message.indexOf('callee') !== -1) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/**
+ * If you need to support Safari 5-7 (8-10 yr-old browser),
+ * take a look at https://github.com/feross/is-buffer
+ */
+
+function isBuffer(val) {
+  if (val.constructor && typeof val.constructor.isBuffer === 'function') {
+    return val.constructor.isBuffer(val);
+  }
+  return false;
+}
diff --git a/node_modules/kind-of/package.json b/node_modules/kind-of/package.json
new file mode 100644
index 00000000..5820cad2
--- /dev/null
+++ b/node_modules/kind-of/package.json
@@ -0,0 +1,88 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "6.0.3",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "James (https://twitter.com/aretecode)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)",
+    "tunnckoCore (https://i.am.charlike.online)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "devDependencies": {
+    "benchmarked": "^2.0.0",
+    "browserify": "^14.4.0",
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^4.0.1",
+    "write": "^1.0.3"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "reflinks": [
+      "type-of",
+      "typeof",
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/loader-runner/LICENSE b/node_modules/loader-runner/LICENSE
new file mode 100644
index 00000000..084338a5
--- /dev/null
+++ b/node_modules/loader-runner/LICENSE
@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) Tobias Koppers @sokra
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/loader-runner/README.md b/node_modules/loader-runner/README.md
new file mode 100644
index 00000000..8cc04cb2
--- /dev/null
+++ b/node_modules/loader-runner/README.md
@@ -0,0 +1,42 @@
+# loader-runner
+
+``` js
+import { runLoaders } from "loader-runner";
+
+runLoaders({
+	resource: "/abs/path/to/file.txt?query",
+	// String: Absolute path to the resource (optionally including query string)
+
+	loaders: ["/abs/path/to/loader.js?query"],
+	// String[]: Absolute paths to the loaders (optionally including query string)
+	// {loader, options}[]: Absolute paths to the loaders with options object
+
+	context: { minimize: true },
+	// Additional loader context which is used as base context
+
+	readResource: fs.readFile.bind(fs)
+	// A function to read the resource
+	// Must have signature function(path, function(err, buffer))
+
+}, function(err, result) {
+	// err: Error?
+
+	// result.result: Buffer | String
+	// The result
+
+	// result.resourceBuffer: Buffer
+	// The raw resource as Buffer (useful for SourceMaps)
+
+	// result.cacheable: Bool
+	// Is the result cacheable or do it require reexecution?
+
+	// result.fileDependencies: String[]
+	// An array of paths (files) on which the result depends on
+
+	// result.contextDependencies: String[]
+	// An array of paths (directories) on which the result depends on
+})
+```
+
+More documentation following...
+
diff --git a/node_modules/loader-runner/lib/LoaderLoadingError.js b/node_modules/loader-runner/lib/LoaderLoadingError.js
new file mode 100644
index 00000000..fa1e54df
--- /dev/null
+++ b/node_modules/loader-runner/lib/LoaderLoadingError.js
@@ -0,0 +1,11 @@
+"use strict";
+
+class LoadingLoaderError extends Error {
+	constructor(message) {
+		super(message);
+		this.name = "LoaderRunnerError";
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = LoadingLoaderError;
diff --git a/node_modules/loader-runner/lib/LoaderRunner.js b/node_modules/loader-runner/lib/LoaderRunner.js
new file mode 100644
index 00000000..0c8742d6
--- /dev/null
+++ b/node_modules/loader-runner/lib/LoaderRunner.js
@@ -0,0 +1,381 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var fs = require("fs");
+var readFile = fs.readFile.bind(fs);
+var loadLoader = require("./loadLoader");
+
+function utf8BufferToString(buf) {
+	var str = buf.toString("utf-8");
+	if(str.charCodeAt(0) === 0xFEFF) {
+		return str.substr(1);
+	} else {
+		return str;
+	}
+}
+
+function splitQuery(req) {
+	var i = req.indexOf("?");
+	if(i < 0) return [req, ""];
+	return [req.substr(0, i), req.substr(i)];
+}
+
+function dirname(path) {
+	if(path === "/") return "/";
+	var i = path.lastIndexOf("/");
+	var j = path.lastIndexOf("\\");
+	var i2 = path.indexOf("/");
+	var j2 = path.indexOf("\\");
+	var idx = i > j ? i : j;
+	var idx2 = i > j ? i2 : j2;
+	if(idx < 0) return path;
+	if(idx === idx2) return path.substr(0, idx + 1);
+	return path.substr(0, idx);
+}
+
+function createLoaderObject(loader) {
+	var obj = {
+		path: null,
+		query: null,
+		options: null,
+		ident: null,
+		normal: null,
+		pitch: null,
+		raw: null,
+		data: null,
+		pitchExecuted: false,
+		normalExecuted: false
+	};
+	Object.defineProperty(obj, "request", {
+		enumerable: true,
+		get: function() {
+			return obj.path + obj.query;
+		},
+		set: function(value) {
+			if(typeof value === "string") {
+				var splittedRequest = splitQuery(value);
+				obj.path = splittedRequest[0];
+				obj.query = splittedRequest[1];
+				obj.options = undefined;
+				obj.ident = undefined;
+			} else {
+				if(!value.loader)
+					throw new Error("request should be a string or object with loader and object (" + JSON.stringify(value) + ")");
+				obj.path = value.loader;
+				obj.options = value.options;
+				obj.ident = value.ident;
+				if(obj.options === null)
+					obj.query = "";
+				else if(obj.options === undefined)
+					obj.query = "";
+				else if(typeof obj.options === "string")
+					obj.query = "?" + obj.options;
+				else if(obj.ident)
+					obj.query = "??" + obj.ident;
+				else if(typeof obj.options === "object" && obj.options.ident)
+					obj.query = "??" + obj.options.ident;
+				else
+					obj.query = "?" + JSON.stringify(obj.options);
+			}
+		}
+	});
+	obj.request = loader;
+	if(Object.preventExtensions) {
+		Object.preventExtensions(obj);
+	}
+	return obj;
+}
+
+function runSyncOrAsync(fn, context, args, callback) {
+	var isSync = true;
+	var isDone = false;
+	var isError = false; // internal error
+	var reportedError = false;
+	context.async = function async() {
+		if(isDone) {
+			if(reportedError) return; // ignore
+			throw new Error("async(): The callback was already called.");
+		}
+		isSync = false;
+		return innerCallback;
+	};
+	var innerCallback = context.callback = function() {
+		if(isDone) {
+			if(reportedError) return; // ignore
+			throw new Error("callback(): The callback was already called.");
+		}
+		isDone = true;
+		isSync = false;
+		try {
+			callback.apply(null, arguments);
+		} catch(e) {
+			isError = true;
+			throw e;
+		}
+	};
+	try {
+		var result = (function LOADER_EXECUTION() {
+			return fn.apply(context, args);
+		}());
+		if(isSync) {
+			isDone = true;
+			if(result === undefined)
+				return callback();
+			if(result && typeof result === "object" && typeof result.then === "function") {
+				return result.then(function(r) {
+					callback(null, r);
+				}, callback);
+			}
+			return callback(null, result);
+		}
+	} catch(e) {
+		if(isError) throw e;
+		if(isDone) {
+			// loader is already "done", so we cannot use the callback function
+			// for better debugging we print the error on the console
+			if(typeof e === "object" && e.stack) console.error(e.stack);
+			else console.error(e);
+			return;
+		}
+		isDone = true;
+		reportedError = true;
+		callback(e);
+	}
+
+}
+
+function convertArgs(args, raw) {
+	if(!raw && Buffer.isBuffer(args[0]))
+		args[0] = utf8BufferToString(args[0]);
+	else if(raw && typeof args[0] === "string")
+		args[0] = new Buffer(args[0], "utf-8"); // eslint-disable-line
+}
+
+function iteratePitchingLoaders(options, loaderContext, callback) {
+	// abort after last loader
+	if(loaderContext.loaderIndex >= loaderContext.loaders.length)
+		return processResource(options, loaderContext, callback);
+
+	var currentLoaderObject = loaderContext.loaders[loaderContext.loaderIndex];
+
+	// iterate
+	if(currentLoaderObject.pitchExecuted) {
+		loaderContext.loaderIndex++;
+		return iteratePitchingLoaders(options, loaderContext, callback);
+	}
+
+	// load loader module
+	loadLoader(currentLoaderObject, function(err) {
+		if(err) {
+			loaderContext.cacheable(false);
+			return callback(err);
+		}
+		var fn = currentLoaderObject.pitch;
+		currentLoaderObject.pitchExecuted = true;
+		if(!fn) return iteratePitchingLoaders(options, loaderContext, callback);
+
+		runSyncOrAsync(
+			fn,
+			loaderContext, [loaderContext.remainingRequest, loaderContext.previousRequest, currentLoaderObject.data = {}],
+			function(err) {
+				if(err) return callback(err);
+				var args = Array.prototype.slice.call(arguments, 1);
+				if(args.length > 0) {
+					loaderContext.loaderIndex--;
+					iterateNormalLoaders(options, loaderContext, args, callback);
+				} else {
+					iteratePitchingLoaders(options, loaderContext, callback);
+				}
+			}
+		);
+	});
+}
+
+function processResource(options, loaderContext, callback) {
+	// set loader index to last loader
+	loaderContext.loaderIndex = loaderContext.loaders.length - 1;
+
+	var resourcePath = loaderContext.resourcePath;
+	if(resourcePath) {
+		loaderContext.addDependency(resourcePath);
+		options.readResource(resourcePath, function(err, buffer) {
+			if(err) return callback(err);
+			options.resourceBuffer = buffer;
+			iterateNormalLoaders(options, loaderContext, [buffer], callback);
+		});
+	} else {
+		iterateNormalLoaders(options, loaderContext, [null], callback);
+	}
+}
+
+function iterateNormalLoaders(options, loaderContext, args, callback) {
+	if(loaderContext.loaderIndex < 0)
+		return callback(null, args);
+
+	var currentLoaderObject = loaderContext.loaders[loaderContext.loaderIndex];
+
+	// iterate
+	if(currentLoaderObject.normalExecuted) {
+		loaderContext.loaderIndex--;
+		return iterateNormalLoaders(options, loaderContext, args, callback);
+	}
+
+	var fn = currentLoaderObject.normal;
+	currentLoaderObject.normalExecuted = true;
+	if(!fn) {
+		return iterateNormalLoaders(options, loaderContext, args, callback);
+	}
+
+	convertArgs(args, currentLoaderObject.raw);
+
+	runSyncOrAsync(fn, loaderContext, args, function(err) {
+		if(err) return callback(err);
+
+		var args = Array.prototype.slice.call(arguments, 1);
+		iterateNormalLoaders(options, loaderContext, args, callback);
+	});
+}
+
+exports.getContext = function getContext(resource) {
+	var splitted = splitQuery(resource);
+	return dirname(splitted[0]);
+};
+
+exports.runLoaders = function runLoaders(options, callback) {
+	// read options
+	var resource = options.resource || "";
+	var loaders = options.loaders || [];
+	var loaderContext = options.context || {};
+	var readResource = options.readResource || readFile;
+
+	//
+	var splittedResource = resource && splitQuery(resource);
+	var resourcePath = splittedResource ? splittedResource[0] : undefined;
+	var resourceQuery = splittedResource ? splittedResource[1] : undefined;
+	var contextDirectory = resourcePath ? dirname(resourcePath) : null;
+
+	// execution state
+	var requestCacheable = true;
+	var fileDependencies = [];
+	var contextDependencies = [];
+
+	// prepare loader objects
+	loaders = loaders.map(createLoaderObject);
+
+	loaderContext.context = contextDirectory;
+	loaderContext.loaderIndex = 0;
+	loaderContext.loaders = loaders;
+	loaderContext.resourcePath = resourcePath;
+	loaderContext.resourceQuery = resourceQuery;
+	loaderContext.async = null;
+	loaderContext.callback = null;
+	loaderContext.cacheable = function cacheable(flag) {
+		if(flag === false) {
+			requestCacheable = false;
+		}
+	};
+	loaderContext.dependency = loaderContext.addDependency = function addDependency(file) {
+		fileDependencies.push(file);
+	};
+	loaderContext.addContextDependency = function addContextDependency(context) {
+		contextDependencies.push(context);
+	};
+	loaderContext.getDependencies = function getDependencies() {
+		return fileDependencies.slice();
+	};
+	loaderContext.getContextDependencies = function getContextDependencies() {
+		return contextDependencies.slice();
+	};
+	loaderContext.clearDependencies = function clearDependencies() {
+		fileDependencies.length = 0;
+		contextDependencies.length = 0;
+		requestCacheable = true;
+	};
+	Object.defineProperty(loaderContext, "resource", {
+		enumerable: true,
+		get: function() {
+			if(loaderContext.resourcePath === undefined)
+				return undefined;
+			return loaderContext.resourcePath + loaderContext.resourceQuery;
+		},
+		set: function(value) {
+			var splittedResource = value && splitQuery(value);
+			loaderContext.resourcePath = splittedResource ? splittedResource[0] : undefined;
+			loaderContext.resourceQuery = splittedResource ? splittedResource[1] : undefined;
+		}
+	});
+	Object.defineProperty(loaderContext, "request", {
+		enumerable: true,
+		get: function() {
+			return loaderContext.loaders.map(function(o) {
+				return o.request;
+			}).concat(loaderContext.resource || "").join("!");
+		}
+	});
+	Object.defineProperty(loaderContext, "remainingRequest", {
+		enumerable: true,
+		get: function() {
+			if(loaderContext.loaderIndex >= loaderContext.loaders.length - 1 && !loaderContext.resource)
+				return "";
+			return loaderContext.loaders.slice(loaderContext.loaderIndex + 1).map(function(o) {
+				return o.request;
+			}).concat(loaderContext.resource || "").join("!");
+		}
+	});
+	Object.defineProperty(loaderContext, "currentRequest", {
+		enumerable: true,
+		get: function() {
+			return loaderContext.loaders.slice(loaderContext.loaderIndex).map(function(o) {
+				return o.request;
+			}).concat(loaderContext.resource || "").join("!");
+		}
+	});
+	Object.defineProperty(loaderContext, "previousRequest", {
+		enumerable: true,
+		get: function() {
+			return loaderContext.loaders.slice(0, loaderContext.loaderIndex).map(function(o) {
+				return o.request;
+			}).join("!");
+		}
+	});
+	Object.defineProperty(loaderContext, "query", {
+		enumerable: true,
+		get: function() {
+			var entry = loaderContext.loaders[loaderContext.loaderIndex];
+			return entry.options && typeof entry.options === "object" ? entry.options : entry.query;
+		}
+	});
+	Object.defineProperty(loaderContext, "data", {
+		enumerable: true,
+		get: function() {
+			return loaderContext.loaders[loaderContext.loaderIndex].data;
+		}
+	});
+
+	// finish loader context
+	if(Object.preventExtensions) {
+		Object.preventExtensions(loaderContext);
+	}
+
+	var processOptions = {
+		resourceBuffer: null,
+		readResource: readResource
+	};
+	iteratePitchingLoaders(processOptions, loaderContext, function(err, result) {
+		if(err) {
+			return callback(err, {
+				cacheable: requestCacheable,
+				fileDependencies: fileDependencies,
+				contextDependencies: contextDependencies
+			});
+		}
+		callback(null, {
+			result: result,
+			resourceBuffer: processOptions.resourceBuffer,
+			cacheable: requestCacheable,
+			fileDependencies: fileDependencies,
+			contextDependencies: contextDependencies
+		});
+	});
+};
diff --git a/node_modules/loader-runner/lib/loadLoader.js b/node_modules/loader-runner/lib/loadLoader.js
new file mode 100644
index 00000000..a6bc4e76
--- /dev/null
+++ b/node_modules/loader-runner/lib/loadLoader.js
@@ -0,0 +1,49 @@
+var LoaderLoadingError = require("./LoaderLoadingError");
+
+module.exports = function loadLoader(loader, callback) {
+	if(typeof System === "object" && typeof System.import === "function") {
+		System.import(loader.path).catch(callback).then(function(module) {
+			loader.normal = typeof module === "function" ? module : module.default;
+			loader.pitch = module.pitch;
+			loader.raw = module.raw;
+			if(typeof loader.normal !== "function" && typeof loader.pitch !== "function") {
+				return callback(new LoaderLoadingError(
+					"Module '" + loader.path + "' is not a loader (must have normal or pitch function)"
+				));
+			}
+			callback();
+		});
+	} else {
+		try {
+			var module = require(loader.path);
+		} catch(e) {
+			// it is possible for node to choke on a require if the FD descriptor
+			// limit has been reached. give it a chance to recover.
+			if(e instanceof Error && e.code === "EMFILE") {
+				var retry = loadLoader.bind(null, loader, callback);
+				if(typeof setImmediate === "function") {
+					// node >= 0.9.0
+					return setImmediate(retry);
+				} else {
+					// node < 0.9.0
+					return process.nextTick(retry);
+				}
+			}
+			return callback(e);
+		}
+		if(typeof module !== "function" && typeof module !== "object") {
+			return callback(new LoaderLoadingError(
+				"Module '" + loader.path + "' is not a loader (export function or es6 module)"
+			));
+		}
+		loader.normal = typeof module === "function" ? module : module.default;
+		loader.pitch = module.pitch;
+		loader.raw = module.raw;
+		if(typeof loader.normal !== "function" && typeof loader.pitch !== "function") {
+			return callback(new LoaderLoadingError(
+				"Module '" + loader.path + "' is not a loader (must have normal or pitch function)"
+			));
+		}
+		callback();
+	}
+};
diff --git a/node_modules/loader-runner/package.json b/node_modules/loader-runner/package.json
new file mode 100644
index 00000000..043bd667
--- /dev/null
+++ b/node_modules/loader-runner/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "loader-runner",
+  "version": "2.4.0",
+  "description": "Runs (webpack) loaders",
+  "main": "lib/LoaderRunner.js",
+  "scripts": {
+    "lint": "eslint lib test",
+    "pretest": "npm run lint",
+    "test": "mocha --reporter spec",
+    "precover": "npm run lint",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha",
+    "travis": "npm run cover -- --report lcovonly"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/webpack/loader-runner.git"
+  },
+  "keywords": [
+    "webpack",
+    "loader"
+  ],
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/loader-runner/issues"
+  },
+  "homepage": "https://github.com/webpack/loader-runner#readme",
+  "engines": {
+    "node": ">=4.3.0 <5.0.0 || >=5.10"
+  },
+  "files": [
+    "lib/",
+    "bin/",
+    "hot/",
+    "web_modules/",
+    "schemas/"
+  ],
+  "devDependencies": {
+    "codecov.io": "^0.1.6",
+    "coveralls": "^2.11.6",
+    "eslint": "^3.12.2",
+    "eslint-plugin-node": "^3.0.5",
+    "eslint-plugin-nodeca": "^1.0.3",
+    "istanbul": "^0.4.1",
+    "mocha": "^3.2.0",
+    "should": "^8.0.2"
+  }
+}
diff --git a/node_modules/loader-utils/LICENSE b/node_modules/loader-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/loader-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/loader-utils/README.md b/node_modules/loader-utils/README.md
new file mode 100644
index 00000000..37fb15de
--- /dev/null
+++ b/node_modules/loader-utils/README.md
@@ -0,0 +1,275 @@
+# loader-utils
+
+## Methods
+
+### `getOptions`
+
+Recommended way to retrieve the options of a loader invocation:
+
+```javascript
+// inside your loader
+const options = loaderUtils.getOptions(this);
+```
+
+1. If `this.query` is a string:
+	- Tries to parse the query string and returns a new object
+	- Throws if it's not a valid query string
+2. If `this.query` is object-like, it just returns `this.query`
+3. In any other case, it just returns `null`
+
+**Please note:** The returned `options` object is *read-only*. It may be re-used across multiple invocations.
+If you pass it on to another library, make sure to make a *deep copy* of it:
+
+```javascript
+const options = Object.assign(
+	{},
+	defaultOptions,
+	loaderUtils.getOptions(this) // it is safe to pass null to Object.assign()
+);
+// don't forget nested objects or arrays
+options.obj = Object.assign({}, options.obj); 
+options.arr = options.arr.slice();
+someLibrary(options);
+```
+
+[clone](https://www.npmjs.com/package/clone) is a good library to make a deep copy of the options.
+
+#### Options as query strings
+
+If the loader options have been passed as loader query string (`loader?some&params`), the string is parsed by using [`parseQuery`](#parsequery).
+
+### `parseQuery`
+
+Parses a passed string (e.g. `loaderContext.resourceQuery`) as a query string, and returns an object.
+
+``` javascript
+const params = loaderUtils.parseQuery(this.resourceQuery); // resource: `file?param1=foo`
+if (params.param1 === "foo") {
+	// do something
+}
+```
+
+The string is parsed like this:
+
+``` text
+                             -> Error
+?                            -> {}
+?flag                        -> { flag: true }
+?+flag                       -> { flag: true }
+?-flag                       -> { flag: false }
+?xyz=test                    -> { xyz: "test" }
+?xyz=1                       -> { xyz: "1" } // numbers are NOT parsed
+?xyz[]=a                     -> { xyz: ["a"] }
+?flag1&flag2                 -> { flag1: true, flag2: true }
+?+flag1,-flag2               -> { flag1: true, flag2: false }
+?xyz[]=a,xyz[]=b             -> { xyz: ["a", "b"] }
+?a%2C%26b=c%2C%26d           -> { "a,&b": "c,&d" }
+?{data:{a:1},isJSON5:true}   -> { data: { a: 1 }, isJSON5: true }
+```
+
+### `stringifyRequest`
+
+Turns a request into a string that can be used inside `require()` or `import` while avoiding absolute paths.
+Use it instead of `JSON.stringify(...)` if you're generating code inside a loader.
+
+**Why is this necessary?** Since webpack calculates the hash before module paths are translated into module ids, we must avoid absolute paths to ensure
+consistent hashes across different compilations.
+
+This function:
+
+- resolves absolute requests into relative requests if the request and the module are on the same hard drive
+- replaces `\` with `/` if the request and the module are on the same hard drive
+- won't change the path at all if the request and the module are on different hard drives
+- applies `JSON.stringify` to the result
+
+```javascript
+loaderUtils.stringifyRequest(this, "./test.js");
+// "\"./test.js\""
+
+loaderUtils.stringifyRequest(this, ".\\test.js");
+// "\"./test.js\""
+
+loaderUtils.stringifyRequest(this, "test");
+// "\"test\""
+
+loaderUtils.stringifyRequest(this, "test/lib/index.js");
+// "\"test/lib/index.js\""
+
+loaderUtils.stringifyRequest(this, "otherLoader?andConfig!test?someConfig");
+// "\"otherLoader?andConfig!test?someConfig\""
+
+loaderUtils.stringifyRequest(this, require.resolve("test"));
+// "\"../node_modules/some-loader/lib/test.js\""
+
+loaderUtils.stringifyRequest(this, "C:\\module\\test.js");
+// "\"../../test.js\"" (on Windows, in case the module and the request are on the same drive)
+
+loaderUtils.stringifyRequest(this, "C:\\module\\test.js");
+// "\"C:\\module\\test.js\"" (on Windows, in case the module and the request are on different drives)
+
+loaderUtils.stringifyRequest(this, "\\\\network-drive\\test.js");
+// "\"\\\\network-drive\\\\test.js\"" (on Windows, in case the module and the request are on different drives)
+```
+
+### `urlToRequest`
+
+Converts some resource URL to a webpack module request.
+
+> i Before call `urlToRequest` you need call `isUrlRequest` to ensure it is requestable url
+
+```javascript
+const url = "path/to/module.js";
+
+if (loaderUtils.isUrlRequest(url)) {
+  // Logic for requestable url
+  const request = loaderUtils.urlToRequest(url);
+} else {
+  // Logic for not requestable url
+}
+```
+
+Simple example:
+
+```javascript
+const url = "path/to/module.js";
+const request = loaderUtils.urlToRequest(url); // "./path/to/module.js"
+```
+
+#### Module URLs
+
+Any URL containing a `~` will be interpreted as a module request. Anything after the `~` will be considered the request path.
+
+```javascript
+const url = "~path/to/module.js";
+const request = loaderUtils.urlToRequest(url); // "path/to/module.js"
+```
+
+#### Root-relative URLs
+
+URLs that are root-relative (start with `/`) can be resolved relative to some arbitrary path by using the `root` parameter:
+
+```javascript
+const url = "/path/to/module.js";
+const root = "./root";
+const request = loaderUtils.urlToRequest(url, root); // "./root/path/to/module.js"
+```
+
+To convert a root-relative URL into a module URL, specify a `root` value that starts with `~`:
+
+```javascript
+const url = "/path/to/module.js";
+const root = "~";
+const request = loaderUtils.urlToRequest(url, root); // "path/to/module.js"
+```
+
+### `interpolateName`
+
+Interpolates a filename template using multiple placeholders and/or a regular expression.
+The template and regular expression are set as query params called `name` and `regExp` on the current loader's context.
+
+```javascript
+const interpolatedName = loaderUtils.interpolateName(loaderContext, name, options);
+```
+
+The following tokens are replaced in the `name` parameter:
+
+* `[ext]` the extension of the resource
+* `[name]` the basename of the resource
+* `[path]` the path of the resource relative to the `context` query parameter or option.
+* `[folder]` the folder the resource is in
+* `[query]` the queryof the resource, i.e. `?foo=bar`
+* `[emoji]` a random emoji representation of `options.content`
+* `[emoji:<length>]` same as above, but with a customizable number of emojis
+* `[contenthash]` the hash of `options.content` (Buffer) (by default it's the hex digest of the md5 hash)
+* `[<hashType>:contenthash:<digestType>:<length>]` optionally one can configure
+  * other `hashType`s, i. e. `sha1`, `md5`, `sha256`, `sha512`
+  * other `digestType`s, i. e. `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+  * and `length` the length in chars
+* `[hash]` the hash of `options.content` (Buffer) (by default it's the hex digest of the md5 hash)
+* `[<hashType>:hash:<digestType>:<length>]` optionally one can configure
+  * other `hashType`s, i. e. `sha1`, `md5`, `sha256`, `sha512`
+  * other `digestType`s, i. e. `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+  * and `length` the length in chars
+* `[N]` the N-th match obtained from matching the current file name against `options.regExp`
+
+In loader context `[hash]` and `[contenthash]` are the same, but we recommend using `[contenthash]` for avoid misleading.
+
+Examples
+
+``` javascript
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+loaderUtils.interpolateName(loaderContext, "js/[hash].script.[ext]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+// loaderContext.resourceQuery = "?foo=bar"
+loaderUtils.interpolateName(loaderContext, "js/[hash].script.[ext][query]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js?foo=bar
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+loaderUtils.interpolateName(loaderContext, "js/[contenthash].script.[ext]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/page.html"
+loaderUtils.interpolateName(loaderContext, "html-[hash:6].html", { content: ... });
+// => html-9473fd.html
+
+// loaderContext.resourcePath = "/absolute/path/to/app/flash.txt"
+loaderUtils.interpolateName(loaderContext, "[hash]", { content: ... });
+// => c31e9820c001c9c4a86bce33ce43b679
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.gif"
+loaderUtils.interpolateName(loaderContext, "[emoji]", { content: ... });
+// => 👍
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.gif"
+loaderUtils.interpolateName(loaderContext, "[emoji:4]", { content: ... });
+// => 🙍🏢📤🐝
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.png"
+loaderUtils.interpolateName(loaderContext, "[sha512:hash:base64:7].[ext]", { content: ... });
+// => 2BKDTjl.png
+// use sha512 hash instead of md5 and with only 7 chars of base64
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/myself.png"
+// loaderContext.query.name =
+loaderUtils.interpolateName(loaderContext, "picture.png");
+// => picture.png
+
+// loaderContext.resourcePath = "/absolute/path/to/app/dir/file.png"
+loaderUtils.interpolateName(loaderContext, "[path][name].[ext]?[hash]", { content: ... });
+// => /app/dir/file.png?9473fdd0d880a43c21b7778d34872157
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/page-home.js"
+loaderUtils.interpolateName(loaderContext, "script-[1].[ext]", { regExp: "page-(.*)\\.js", content: ... });
+// => script-home.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+// loaderContext.resourceQuery = "?foo=bar"
+loaderUtils.interpolateName(
+  loaderContext, 
+  (resourcePath, resourceQuery) => { 
+    // resourcePath - `/app/js/javascript.js`
+    // resourceQuery - `?foo=bar`
+
+    return "js/[hash].script.[ext]"; 
+  }, 
+  { content: ... }
+);
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+```
+
+### `getHashDigest`
+
+``` javascript
+const digestString = loaderUtils.getHashDigest(buffer, hashType, digestType, maxLength);
+```
+
+* `buffer` the content that should be hashed
+* `hashType` one of `sha1`, `md5`, `sha256`, `sha512` or any other node.js supported hash type
+* `digestType` one of `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+* `maxLength` the maximum length in chars
+
+## License
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
diff --git a/node_modules/loader-utils/lib/getCurrentRequest.js b/node_modules/loader-utils/lib/getCurrentRequest.js
new file mode 100644
index 00000000..48185632
--- /dev/null
+++ b/node_modules/loader-utils/lib/getCurrentRequest.js
@@ -0,0 +1,16 @@
+'use strict';
+
+function getCurrentRequest(loaderContext) {
+  if (loaderContext.currentRequest) {
+    return loaderContext.currentRequest;
+  }
+
+  const request = loaderContext.loaders
+    .slice(loaderContext.loaderIndex)
+    .map((obj) => obj.request)
+    .concat([loaderContext.resource]);
+
+  return request.join('!');
+}
+
+module.exports = getCurrentRequest;
diff --git a/node_modules/loader-utils/lib/getHashDigest.js b/node_modules/loader-utils/lib/getHashDigest.js
new file mode 100644
index 00000000..bbc4e03b
--- /dev/null
+++ b/node_modules/loader-utils/lib/getHashDigest.js
@@ -0,0 +1,69 @@
+'use strict';
+
+const baseEncodeTables = {
+  26: 'abcdefghijklmnopqrstuvwxyz',
+  32: '123456789abcdefghjkmnpqrstuvwxyz', // no 0lio
+  36: '0123456789abcdefghijklmnopqrstuvwxyz',
+  49: 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ', // no lIO
+  52: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  58: '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ', // no 0lIO
+  62: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  64: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_',
+};
+
+function encodeBufferToBase(buffer, base) {
+  const encodeTable = baseEncodeTables[base];
+  if (!encodeTable) {
+    throw new Error('Unknown encoding base' + base);
+  }
+
+  const readLength = buffer.length;
+  const Big = require('big.js');
+
+  Big.RM = Big.DP = 0;
+  let b = new Big(0);
+
+  for (let i = readLength - 1; i >= 0; i--) {
+    b = b.times(256).plus(buffer[i]);
+  }
+
+  let output = '';
+  while (b.gt(0)) {
+    output = encodeTable[b.mod(base)] + output;
+    b = b.div(base);
+  }
+
+  Big.DP = 20;
+  Big.RM = 1;
+
+  return output;
+}
+
+function getHashDigest(buffer, hashType, digestType, maxLength) {
+  hashType = hashType || 'md5';
+  maxLength = maxLength || 9999;
+
+  const hash = require('crypto').createHash(hashType);
+
+  hash.update(buffer);
+
+  if (
+    digestType === 'base26' ||
+    digestType === 'base32' ||
+    digestType === 'base36' ||
+    digestType === 'base49' ||
+    digestType === 'base52' ||
+    digestType === 'base58' ||
+    digestType === 'base62' ||
+    digestType === 'base64'
+  ) {
+    return encodeBufferToBase(hash.digest(), digestType.substr(4)).substr(
+      0,
+      maxLength
+    );
+  } else {
+    return hash.digest(digestType || 'hex').substr(0, maxLength);
+  }
+}
+
+module.exports = getHashDigest;
diff --git a/node_modules/loader-utils/lib/getOptions.js b/node_modules/loader-utils/lib/getOptions.js
new file mode 100644
index 00000000..9cbbed4d
--- /dev/null
+++ b/node_modules/loader-utils/lib/getOptions.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const parseQuery = require('./parseQuery');
+
+function getOptions(loaderContext) {
+  const query = loaderContext.query;
+
+  if (typeof query === 'string' && query !== '') {
+    return parseQuery(loaderContext.query);
+  }
+
+  if (!query || typeof query !== 'object') {
+    // Not object-like queries are not supported.
+    return null;
+  }
+
+  return query;
+}
+
+module.exports = getOptions;
diff --git a/node_modules/loader-utils/lib/getRemainingRequest.js b/node_modules/loader-utils/lib/getRemainingRequest.js
new file mode 100644
index 00000000..5839b2fa
--- /dev/null
+++ b/node_modules/loader-utils/lib/getRemainingRequest.js
@@ -0,0 +1,16 @@
+'use strict';
+
+function getRemainingRequest(loaderContext) {
+  if (loaderContext.remainingRequest) {
+    return loaderContext.remainingRequest;
+  }
+
+  const request = loaderContext.loaders
+    .slice(loaderContext.loaderIndex + 1)
+    .map((obj) => obj.request)
+    .concat([loaderContext.resource]);
+
+  return request.join('!');
+}
+
+module.exports = getRemainingRequest;
diff --git a/node_modules/loader-utils/lib/index.js b/node_modules/loader-utils/lib/index.js
new file mode 100644
index 00000000..25913106
--- /dev/null
+++ b/node_modules/loader-utils/lib/index.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const getOptions = require('./getOptions');
+const parseQuery = require('./parseQuery');
+const stringifyRequest = require('./stringifyRequest');
+const getRemainingRequest = require('./getRemainingRequest');
+const getCurrentRequest = require('./getCurrentRequest');
+const isUrlRequest = require('./isUrlRequest');
+const urlToRequest = require('./urlToRequest');
+const parseString = require('./parseString');
+const getHashDigest = require('./getHashDigest');
+const interpolateName = require('./interpolateName');
+
+exports.getOptions = getOptions;
+exports.parseQuery = parseQuery;
+exports.stringifyRequest = stringifyRequest;
+exports.getRemainingRequest = getRemainingRequest;
+exports.getCurrentRequest = getCurrentRequest;
+exports.isUrlRequest = isUrlRequest;
+exports.urlToRequest = urlToRequest;
+exports.parseString = parseString;
+exports.getHashDigest = getHashDigest;
+exports.interpolateName = interpolateName;
diff --git a/node_modules/loader-utils/lib/interpolateName.js b/node_modules/loader-utils/lib/interpolateName.js
new file mode 100644
index 00000000..0cd39326
--- /dev/null
+++ b/node_modules/loader-utils/lib/interpolateName.js
@@ -0,0 +1,151 @@
+'use strict';
+
+const path = require('path');
+const emojisList = require('emojis-list');
+const getHashDigest = require('./getHashDigest');
+
+const emojiRegex = /[\uD800-\uDFFF]./;
+const emojiList = emojisList.filter((emoji) => emojiRegex.test(emoji));
+const emojiCache = {};
+
+function encodeStringToEmoji(content, length) {
+  if (emojiCache[content]) {
+    return emojiCache[content];
+  }
+
+  length = length || 1;
+
+  const emojis = [];
+
+  do {
+    if (!emojiList.length) {
+      throw new Error('Ran out of emoji');
+    }
+
+    const index = Math.floor(Math.random() * emojiList.length);
+
+    emojis.push(emojiList[index]);
+    emojiList.splice(index, 1);
+  } while (--length > 0);
+
+  const emojiEncoding = emojis.join('');
+
+  emojiCache[content] = emojiEncoding;
+
+  return emojiEncoding;
+}
+
+function interpolateName(loaderContext, name, options) {
+  let filename;
+
+  const hasQuery =
+    loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1;
+
+  if (typeof name === 'function') {
+    filename = name(
+      loaderContext.resourcePath,
+      hasQuery ? loaderContext.resourceQuery : undefined
+    );
+  } else {
+    filename = name || '[hash].[ext]';
+  }
+
+  const context = options.context;
+  const content = options.content;
+  const regExp = options.regExp;
+
+  let ext = 'bin';
+  let basename = 'file';
+  let directory = '';
+  let folder = '';
+  let query = '';
+
+  if (loaderContext.resourcePath) {
+    const parsed = path.parse(loaderContext.resourcePath);
+    let resourcePath = loaderContext.resourcePath;
+
+    if (parsed.ext) {
+      ext = parsed.ext.substr(1);
+    }
+
+    if (parsed.dir) {
+      basename = parsed.name;
+      resourcePath = parsed.dir + path.sep;
+    }
+
+    if (typeof context !== 'undefined') {
+      directory = path
+        .relative(context, resourcePath + '_')
+        .replace(/\\/g, '/')
+        .replace(/\.\.(\/)?/g, '_$1');
+      directory = directory.substr(0, directory.length - 1);
+    } else {
+      directory = resourcePath.replace(/\\/g, '/').replace(/\.\.(\/)?/g, '_$1');
+    }
+
+    if (directory.length === 1) {
+      directory = '';
+    } else if (directory.length > 1) {
+      folder = path.basename(directory);
+    }
+  }
+
+  if (loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1) {
+    query = loaderContext.resourceQuery;
+
+    const hashIdx = query.indexOf('#');
+
+    if (hashIdx >= 0) {
+      query = query.substr(0, hashIdx);
+    }
+  }
+
+  let url = filename;
+
+  if (content) {
+    // Match hash template
+    url = url
+      // `hash` and `contenthash` are same in `loader-utils` context
+      // let's keep `hash` for backward compatibility
+      .replace(
+        /\[(?:([^[:\]]+):)?(?:hash|contenthash)(?::([a-z]+\d*))?(?::(\d+))?\]/gi,
+        (all, hashType, digestType, maxLength) =>
+          getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
+      )
+      .replace(/\[emoji(?::(\d+))?\]/gi, (all, length) =>
+        encodeStringToEmoji(content, parseInt(length, 10))
+      );
+  }
+
+  url = url
+    .replace(/\[ext\]/gi, () => ext)
+    .replace(/\[name\]/gi, () => basename)
+    .replace(/\[path\]/gi, () => directory)
+    .replace(/\[folder\]/gi, () => folder)
+    .replace(/\[query\]/gi, () => query);
+
+  if (regExp && loaderContext.resourcePath) {
+    const match = loaderContext.resourcePath.match(new RegExp(regExp));
+
+    match &&
+      match.forEach((matched, i) => {
+        url = url.replace(new RegExp('\\[' + i + '\\]', 'ig'), matched);
+      });
+  }
+
+  if (
+    typeof loaderContext.options === 'object' &&
+    typeof loaderContext.options.customInterpolateName === 'function'
+  ) {
+    url = loaderContext.options.customInterpolateName.call(
+      loaderContext,
+      url,
+      name,
+      options
+    );
+  }
+
+  return url;
+}
+
+module.exports = interpolateName;
diff --git a/node_modules/loader-utils/lib/isUrlRequest.js b/node_modules/loader-utils/lib/isUrlRequest.js
new file mode 100644
index 00000000..4592cb1f
--- /dev/null
+++ b/node_modules/loader-utils/lib/isUrlRequest.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const path = require('path');
+
+function isUrlRequest(url, root) {
+  // An URL is not an request if
+
+  // 1. It's an absolute url and it is not `windows` path like `C:\dir\file`
+  if (/^[a-z][a-z0-9+.-]*:/i.test(url) && !path.win32.isAbsolute(url)) {
+    return false;
+  }
+
+  // 2. It's a protocol-relative
+  if (/^\/\//.test(url)) {
+    return false;
+  }
+
+  // 3. It's some kind of url for a template
+  if (/^[{}[\]#*;,'§$%&(=?`´^°<>]/.test(url)) {
+    return false;
+  }
+
+  // 4. It's also not an request if root isn't set and it's a root-relative url
+  if ((root === undefined || root === false) && /^\//.test(url)) {
+    return false;
+  }
+
+  return true;
+}
+
+module.exports = isUrlRequest;
diff --git a/node_modules/loader-utils/lib/parseQuery.js b/node_modules/loader-utils/lib/parseQuery.js
new file mode 100644
index 00000000..3dd7cb9b
--- /dev/null
+++ b/node_modules/loader-utils/lib/parseQuery.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const JSON5 = require('json5');
+
+const specialValues = {
+  null: null,
+  true: true,
+  false: false,
+};
+
+function parseQuery(query) {
+  if (query.substr(0, 1) !== '?') {
+    throw new Error(
+      "A valid query string passed to parseQuery should begin with '?'"
+    );
+  }
+
+  query = query.substr(1);
+
+  if (!query) {
+    return {};
+  }
+
+  if (query.substr(0, 1) === '{' && query.substr(-1) === '}') {
+    return JSON5.parse(query);
+  }
+
+  const queryArgs = query.split(/[,&]/g);
+  const result = Object.create(null);
+
+  queryArgs.forEach((arg) => {
+    const idx = arg.indexOf('=');
+
+    if (idx >= 0) {
+      let name = arg.substr(0, idx);
+      let value = decodeURIComponent(arg.substr(idx + 1));
+
+      if (specialValues.hasOwnProperty(value)) {
+        value = specialValues[value];
+      }
+
+      if (name.substr(-2) === '[]') {
+        name = decodeURIComponent(name.substr(0, name.length - 2));
+
+        if (!Array.isArray(result[name])) {
+          result[name] = [];
+        }
+
+        result[name].push(value);
+      } else {
+        name = decodeURIComponent(name);
+        result[name] = value;
+      }
+    } else {
+      if (arg.substr(0, 1) === '-') {
+        result[decodeURIComponent(arg.substr(1))] = false;
+      } else if (arg.substr(0, 1) === '+') {
+        result[decodeURIComponent(arg.substr(1))] = true;
+      } else {
+        result[decodeURIComponent(arg)] = true;
+      }
+    }
+  });
+
+  return result;
+}
+
+module.exports = parseQuery;
diff --git a/node_modules/loader-utils/lib/parseString.js b/node_modules/loader-utils/lib/parseString.js
new file mode 100644
index 00000000..6e36f293
--- /dev/null
+++ b/node_modules/loader-utils/lib/parseString.js
@@ -0,0 +1,23 @@
+'use strict';
+
+function parseString(str) {
+  try {
+    if (str[0] === '"') {
+      return JSON.parse(str);
+    }
+
+    if (str[0] === "'" && str.substr(str.length - 1) === "'") {
+      return parseString(
+        str
+          .replace(/\\.|"/g, (x) => (x === '"' ? '\\"' : x))
+          .replace(/^'|'$/g, '"')
+      );
+    }
+
+    return JSON.parse('"' + str + '"');
+  } catch (e) {
+    return str;
+  }
+}
+
+module.exports = parseString;
diff --git a/node_modules/loader-utils/lib/stringifyRequest.js b/node_modules/loader-utils/lib/stringifyRequest.js
new file mode 100644
index 00000000..9bd55939
--- /dev/null
+++ b/node_modules/loader-utils/lib/stringifyRequest.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const path = require('path');
+
+const matchRelativePath = /^\.\.?[/\\]/;
+
+function isAbsolutePath(str) {
+  return path.posix.isAbsolute(str) || path.win32.isAbsolute(str);
+}
+
+function isRelativePath(str) {
+  return matchRelativePath.test(str);
+}
+
+function stringifyRequest(loaderContext, request) {
+  const splitted = request.split('!');
+  const context =
+    loaderContext.context ||
+    (loaderContext.options && loaderContext.options.context);
+
+  return JSON.stringify(
+    splitted
+      .map((part) => {
+        // First, separate singlePath from query, because the query might contain paths again
+        const splittedPart = part.match(/^(.*?)(\?.*)/);
+        const query = splittedPart ? splittedPart[2] : '';
+        let singlePath = splittedPart ? splittedPart[1] : part;
+
+        if (isAbsolutePath(singlePath) && context) {
+          singlePath = path.relative(context, singlePath);
+
+          if (isAbsolutePath(singlePath)) {
+            // If singlePath still matches an absolute path, singlePath was on a different drive than context.
+            // In this case, we leave the path platform-specific without replacing any separators.
+            // @see https://github.com/webpack/loader-utils/pull/14
+            return singlePath + query;
+          }
+
+          if (isRelativePath(singlePath) === false) {
+            // Ensure that the relative path starts at least with ./ otherwise it would be a request into the modules directory (like node_modules).
+            singlePath = './' + singlePath;
+          }
+        }
+
+        return singlePath.replace(/\\/g, '/') + query;
+      })
+      .join('!')
+  );
+}
+
+module.exports = stringifyRequest;
diff --git a/node_modules/loader-utils/lib/urlToRequest.js b/node_modules/loader-utils/lib/urlToRequest.js
new file mode 100644
index 00000000..e2b60d33
--- /dev/null
+++ b/node_modules/loader-utils/lib/urlToRequest.js
@@ -0,0 +1,60 @@
+'use strict';
+
+// we can't use path.win32.isAbsolute because it also matches paths starting with a forward slash
+const matchNativeWin32Path = /^[A-Z]:[/\\]|^\\\\/i;
+
+function urlToRequest(url, root) {
+  // Do not rewrite an empty url
+  if (url === '') {
+    return '';
+  }
+
+  const moduleRequestRegex = /^[^?]*~/;
+  let request;
+
+  if (matchNativeWin32Path.test(url)) {
+    // absolute windows path, keep it
+    request = url;
+  } else if (root !== undefined && root !== false && /^\//.test(url)) {
+    // if root is set and the url is root-relative
+    switch (typeof root) {
+      // 1. root is a string: root is prefixed to the url
+      case 'string':
+        // special case: `~` roots convert to module request
+        if (moduleRequestRegex.test(root)) {
+          request = root.replace(/([^~/])$/, '$1/') + url.slice(1);
+        } else {
+          request = root + url;
+        }
+        break;
+      // 2. root is `true`: absolute paths are allowed
+      //    *nix only, windows-style absolute paths are always allowed as they doesn't start with a `/`
+      case 'boolean':
+        request = url;
+        break;
+      default:
+        throw new Error(
+          "Unexpected parameters to loader-utils 'urlToRequest': url = " +
+            url +
+            ', root = ' +
+            root +
+            '.'
+        );
+    }
+  } else if (/^\.\.?\//.test(url)) {
+    // A relative url stays
+    request = url;
+  } else {
+    // every other url is threaded like a relative url
+    request = './' + url;
+  }
+
+  // A `~` makes the url an module
+  if (moduleRequestRegex.test(request)) {
+    request = request.replace(moduleRequestRegex, '');
+  }
+
+  return request;
+}
+
+module.exports = urlToRequest;
diff --git a/node_modules/loader-utils/package.json b/node_modules/loader-utils/package.json
new file mode 100644
index 00000000..84c905d7
--- /dev/null
+++ b/node_modules/loader-utils/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "loader-utils",
+  "version": "1.4.2",
+  "author": "Tobias Koppers @sokra",
+  "description": "utils for webpack loaders",
+  "dependencies": {
+    "big.js": "^5.2.2",
+    "emojis-list": "^3.0.0",
+    "json5": "^1.0.1"
+  },
+  "scripts": {
+    "lint": "eslint lib test",
+    "pretest": "yarn lint",
+    "test": "jest",
+    "test:ci": "jest --coverage",
+    "release": "yarn test && standard-version"
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/loader-utils.git"
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "devDependencies": {
+    "coveralls": "^3.0.2",
+    "eslint": "^5.11.0",
+    "eslint-plugin-node": "^8.0.0",
+    "eslint-plugin-prettier": "^3.0.0",
+    "jest": "^21.2.1",
+    "prettier": "^1.19.1",
+    "standard-version": "^4.0.0"
+  },
+  "main": "lib/index.js",
+  "files": [
+    "lib"
+  ]
+}
diff --git a/node_modules/locate-path/index.js b/node_modules/locate-path/index.js
new file mode 100644
index 00000000..5aae6ee4
--- /dev/null
+++ b/node_modules/locate-path/index.js
@@ -0,0 +1,24 @@
+'use strict';
+const path = require('path');
+const pathExists = require('path-exists');
+const pLocate = require('p-locate');
+
+module.exports = (iterable, options) => {
+	options = Object.assign({
+		cwd: process.cwd()
+	}, options);
+
+	return pLocate(iterable, el => pathExists(path.resolve(options.cwd, el)), options);
+};
+
+module.exports.sync = (iterable, options) => {
+	options = Object.assign({
+		cwd: process.cwd()
+	}, options);
+
+	for (const el of iterable) {
+		if (pathExists.sync(path.resolve(options.cwd, el))) {
+			return el;
+		}
+	}
+};
diff --git a/node_modules/locate-path/license b/node_modules/locate-path/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/locate-path/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/locate-path/package.json b/node_modules/locate-path/package.json
new file mode 100644
index 00000000..d41aab44
--- /dev/null
+++ b/node_modules/locate-path/package.json
@@ -0,0 +1,44 @@
+{
+	"name": "locate-path",
+	"version": "3.0.0",
+	"description": "Get the first path that exists on disk of multiple paths",
+	"license": "MIT",
+	"repository": "sindresorhus/locate-path",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"locate",
+		"path",
+		"paths",
+		"file",
+		"files",
+		"exists",
+		"find",
+		"finder",
+		"search",
+		"searcher",
+		"array",
+		"iterable",
+		"iterator"
+	],
+	"dependencies": {
+		"p-locate": "^3.0.0",
+		"path-exists": "^3.0.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"xo": "*"
+	}
+}
diff --git a/node_modules/locate-path/readme.md b/node_modules/locate-path/readme.md
new file mode 100644
index 00000000..a1d2e628
--- /dev/null
+++ b/node_modules/locate-path/readme.md
@@ -0,0 +1,99 @@
+# locate-path [![Build Status](https://travis-ci.org/sindresorhus/locate-path.svg?branch=master)](https://travis-ci.org/sindresorhus/locate-path)
+
+> Get the first path that exists on disk of multiple paths
+
+
+## Install
+
+```
+$ npm install locate-path
+```
+
+
+## Usage
+
+Here we find the first file that exists on disk, in array order.
+
+```js
+const locatePath = require('locate-path');
+
+const files = [
+	'unicorn.png',
+	'rainbow.png', // Only this one actually exists on disk
+	'pony.png'
+];
+
+(async () => {
+	console(await locatePath(files));
+	//=> 'rainbow'
+})();
+```
+
+
+## API
+
+### locatePath(input, [options])
+
+Returns a `Promise` for the first path that exists or `undefined` if none exists.
+
+#### input
+
+Type: `Iterable<string>`
+
+Paths to check.
+
+#### options
+
+Type: `Object`
+
+##### concurrency
+
+Type: `number`<br>
+Default: `Infinity`<br>
+Minimum: `1`
+
+Number of concurrently pending promises.
+
+##### preserveOrder
+
+Type: `boolean`<br>
+Default: `true`
+
+Preserve `input` order when searching.
+
+Disable this to improve performance if you don't care about the order.
+
+##### cwd
+
+Type: `string`<br>
+Default: `process.cwd()`
+
+Current working directory.
+
+### locatePath.sync(input, [options])
+
+Returns the first path that exists or `undefined` if none exists.
+
+#### input
+
+Type: `Iterable<string>`
+
+Paths to check.
+
+#### options
+
+Type: `Object`
+
+##### cwd
+
+Same as above.
+
+
+## Related
+
+- [path-exists](https://github.com/sindresorhus/path-exists) - Check if a path exists
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/lru-cache/LICENSE b/node_modules/lru-cache/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/lru-cache/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/lru-cache/README.md b/node_modules/lru-cache/README.md
new file mode 100644
index 00000000..435dfebb
--- /dev/null
+++ b/node_modules/lru-cache/README.md
@@ -0,0 +1,166 @@
+# lru cache
+
+A cache object that deletes the least-recently-used items.
+
+[![Build Status](https://travis-ci.org/isaacs/node-lru-cache.svg?branch=master)](https://travis-ci.org/isaacs/node-lru-cache) [![Coverage Status](https://coveralls.io/repos/isaacs/node-lru-cache/badge.svg?service=github)](https://coveralls.io/github/isaacs/node-lru-cache)
+
+## Installation:
+
+```javascript
+npm install lru-cache --save
+```
+
+## Usage:
+
+```javascript
+var LRU = require("lru-cache")
+  , options = { max: 500
+              , length: function (n, key) { return n * 2 + key.length }
+              , dispose: function (key, n) { n.close() }
+              , maxAge: 1000 * 60 * 60 }
+  , cache = new LRU(options)
+  , otherCache = new LRU(50) // sets just the max size
+
+cache.set("key", "value")
+cache.get("key") // "value"
+
+// non-string keys ARE fully supported
+// but note that it must be THE SAME object, not
+// just a JSON-equivalent object.
+var someObject = { a: 1 }
+cache.set(someObject, 'a value')
+// Object keys are not toString()-ed
+cache.set('[object Object]', 'a different value')
+assert.equal(cache.get(someObject), 'a value')
+// A similar object with same keys/values won't work,
+// because it's a different object identity
+assert.equal(cache.get({ a: 1 }), undefined)
+
+cache.reset()    // empty the cache
+```
+
+If you put more stuff in it, then items will fall out.
+
+If you try to put an oversized thing in it, then it'll fall out right
+away.
+
+## Options
+
+* `max` The maximum size of the cache, checked by applying the length
+  function to all values in the cache.  Not setting this is kind of
+  silly, since that's the whole purpose of this lib, but it defaults
+  to `Infinity`.  Setting it to a non-number or negative number will
+  throw a `TypeError`.  Setting it to 0 makes it be `Infinity`.
+* `maxAge` Maximum age in ms.  Items are not pro-actively pruned out
+  as they age, but if you try to get an item that is too old, it'll
+  drop it and return undefined instead of giving it to you.
+  Setting this to a negative value will make everything seem old!
+  Setting it to a non-number will throw a `TypeError`.
+* `length` Function that is used to calculate the length of stored
+  items.  If you're storing strings or buffers, then you probably want
+  to do something like `function(n, key){return n.length}`.  The default is
+  `function(){return 1}`, which is fine if you want to store `max`
+  like-sized things.  The item is passed as the first argument, and
+  the key is passed as the second argumnet.
+* `dispose` Function that is called on items when they are dropped
+  from the cache.  This can be handy if you want to close file
+  descriptors or do other cleanup tasks when items are no longer
+  accessible.  Called with `key, value`.  It's called *before*
+  actually removing the item from the internal cache, so if you want
+  to immediately put it back in, you'll have to do that in a
+  `nextTick` or `setTimeout` callback or it won't do anything.
+* `stale` By default, if you set a `maxAge`, it'll only actually pull
+  stale items out of the cache when you `get(key)`.  (That is, it's
+  not pre-emptively doing a `setTimeout` or anything.)  If you set
+  `stale:true`, it'll return the stale value before deleting it.  If
+  you don't set this, then it'll return `undefined` when you try to
+  get a stale entry, as if it had already been deleted.
+* `noDisposeOnSet` By default, if you set a `dispose()` method, then
+  it'll be called whenever a `set()` operation overwrites an existing
+  key.  If you set this option, `dispose()` will only be called when a
+  key falls out of the cache, not when it is overwritten.
+* `updateAgeOnGet` When using time-expiring entries with `maxAge`,
+  setting this to `true` will make each item's effective time update
+  to the current time whenever it is retrieved from cache, causing it
+  to not expire.  (It can still fall out of cache based on recency of
+  use, of course.)
+
+## API
+
+* `set(key, value, maxAge)`
+* `get(key) => value`
+
+    Both of these will update the "recently used"-ness of the key.
+    They do what you think. `maxAge` is optional and overrides the
+    cache `maxAge` option if provided.
+
+    If the key is not found, `get()` will return `undefined`.
+
+    The key and val can be any value.
+
+* `peek(key)`
+
+    Returns the key value (or `undefined` if not found) without
+    updating the "recently used"-ness of the key.
+
+    (If you find yourself using this a lot, you *might* be using the
+    wrong sort of data structure, but there are some use cases where
+    it's handy.)
+
+* `del(key)`
+
+    Deletes a key out of the cache.
+
+* `reset()`
+
+    Clear the cache entirely, throwing away all values.
+
+* `has(key)`
+
+    Check if a key is in the cache, without updating the recent-ness
+    or deleting it for being stale.
+
+* `forEach(function(value,key,cache), [thisp])`
+
+    Just like `Array.prototype.forEach`.  Iterates over all the keys
+    in the cache, in order of recent-ness.  (Ie, more recently used
+    items are iterated over first.)
+
+* `rforEach(function(value,key,cache), [thisp])`
+
+    The same as `cache.forEach(...)` but items are iterated over in
+    reverse order.  (ie, less recently used items are iterated over
+    first.)
+
+* `keys()`
+
+    Return an array of the keys in the cache.
+
+* `values()`
+
+    Return an array of the values in the cache.
+
+* `length`
+
+    Return total length of objects in cache taking into account
+    `length` options function.
+
+* `itemCount`
+
+    Return total quantity of objects currently in cache. Note, that
+    `stale` (see options) items are returned as part of this item
+    count.
+
+* `dump()`
+
+    Return an array of the cache entries ready for serialization and usage
+    with 'destinationCache.load(arr)`.
+
+* `load(cacheEntriesArray)`
+
+    Loads another cache entries array, obtained with `sourceCache.dump()`,
+    into the cache. The destination cache is reset before loading new entries
+
+* `prune()`
+
+    Manually iterates over the entire cache proactively pruning old entries
diff --git a/node_modules/lru-cache/index.js b/node_modules/lru-cache/index.js
new file mode 100644
index 00000000..573b6b85
--- /dev/null
+++ b/node_modules/lru-cache/index.js
@@ -0,0 +1,334 @@
+'use strict'
+
+// A linked list to keep track of recently-used-ness
+const Yallist = require('yallist')
+
+const MAX = Symbol('max')
+const LENGTH = Symbol('length')
+const LENGTH_CALCULATOR = Symbol('lengthCalculator')
+const ALLOW_STALE = Symbol('allowStale')
+const MAX_AGE = Symbol('maxAge')
+const DISPOSE = Symbol('dispose')
+const NO_DISPOSE_ON_SET = Symbol('noDisposeOnSet')
+const LRU_LIST = Symbol('lruList')
+const CACHE = Symbol('cache')
+const UPDATE_AGE_ON_GET = Symbol('updateAgeOnGet')
+
+const naiveLength = () => 1
+
+// lruList is a yallist where the head is the youngest
+// item, and the tail is the oldest.  the list contains the Hit
+// objects as the entries.
+// Each Hit object has a reference to its Yallist.Node.  This
+// never changes.
+//
+// cache is a Map (or PseudoMap) that matches the keys to
+// the Yallist.Node object.
+class LRUCache {
+  constructor (options) {
+    if (typeof options === 'number')
+      options = { max: options }
+
+    if (!options)
+      options = {}
+
+    if (options.max && (typeof options.max !== 'number' || options.max < 0))
+      throw new TypeError('max must be a non-negative number')
+    // Kind of weird to have a default max of Infinity, but oh well.
+    const max = this[MAX] = options.max || Infinity
+
+    const lc = options.length || naiveLength
+    this[LENGTH_CALCULATOR] = (typeof lc !== 'function') ? naiveLength : lc
+    this[ALLOW_STALE] = options.stale || false
+    if (options.maxAge && typeof options.maxAge !== 'number')
+      throw new TypeError('maxAge must be a number')
+    this[MAX_AGE] = options.maxAge || 0
+    this[DISPOSE] = options.dispose
+    this[NO_DISPOSE_ON_SET] = options.noDisposeOnSet || false
+    this[UPDATE_AGE_ON_GET] = options.updateAgeOnGet || false
+    this.reset()
+  }
+
+  // resize the cache when the max changes.
+  set max (mL) {
+    if (typeof mL !== 'number' || mL < 0)
+      throw new TypeError('max must be a non-negative number')
+
+    this[MAX] = mL || Infinity
+    trim(this)
+  }
+  get max () {
+    return this[MAX]
+  }
+
+  set allowStale (allowStale) {
+    this[ALLOW_STALE] = !!allowStale
+  }
+  get allowStale () {
+    return this[ALLOW_STALE]
+  }
+
+  set maxAge (mA) {
+    if (typeof mA !== 'number')
+      throw new TypeError('maxAge must be a non-negative number')
+
+    this[MAX_AGE] = mA
+    trim(this)
+  }
+  get maxAge () {
+    return this[MAX_AGE]
+  }
+
+  // resize the cache when the lengthCalculator changes.
+  set lengthCalculator (lC) {
+    if (typeof lC !== 'function')
+      lC = naiveLength
+
+    if (lC !== this[LENGTH_CALCULATOR]) {
+      this[LENGTH_CALCULATOR] = lC
+      this[LENGTH] = 0
+      this[LRU_LIST].forEach(hit => {
+        hit.length = this[LENGTH_CALCULATOR](hit.value, hit.key)
+        this[LENGTH] += hit.length
+      })
+    }
+    trim(this)
+  }
+  get lengthCalculator () { return this[LENGTH_CALCULATOR] }
+
+  get length () { return this[LENGTH] }
+  get itemCount () { return this[LRU_LIST].length }
+
+  rforEach (fn, thisp) {
+    thisp = thisp || this
+    for (let walker = this[LRU_LIST].tail; walker !== null;) {
+      const prev = walker.prev
+      forEachStep(this, fn, walker, thisp)
+      walker = prev
+    }
+  }
+
+  forEach (fn, thisp) {
+    thisp = thisp || this
+    for (let walker = this[LRU_LIST].head; walker !== null;) {
+      const next = walker.next
+      forEachStep(this, fn, walker, thisp)
+      walker = next
+    }
+  }
+
+  keys () {
+    return this[LRU_LIST].toArray().map(k => k.key)
+  }
+
+  values () {
+    return this[LRU_LIST].toArray().map(k => k.value)
+  }
+
+  reset () {
+    if (this[DISPOSE] &&
+        this[LRU_LIST] &&
+        this[LRU_LIST].length) {
+      this[LRU_LIST].forEach(hit => this[DISPOSE](hit.key, hit.value))
+    }
+
+    this[CACHE] = new Map() // hash of items by key
+    this[LRU_LIST] = new Yallist() // list of items in order of use recency
+    this[LENGTH] = 0 // length of items in the list
+  }
+
+  dump () {
+    return this[LRU_LIST].map(hit =>
+      isStale(this, hit) ? false : {
+        k: hit.key,
+        v: hit.value,
+        e: hit.now + (hit.maxAge || 0)
+      }).toArray().filter(h => h)
+  }
+
+  dumpLru () {
+    return this[LRU_LIST]
+  }
+
+  set (key, value, maxAge) {
+    maxAge = maxAge || this[MAX_AGE]
+
+    if (maxAge && typeof maxAge !== 'number')
+      throw new TypeError('maxAge must be a number')
+
+    const now = maxAge ? Date.now() : 0
+    const len = this[LENGTH_CALCULATOR](value, key)
+
+    if (this[CACHE].has(key)) {
+      if (len > this[MAX]) {
+        del(this, this[CACHE].get(key))
+        return false
+      }
+
+      const node = this[CACHE].get(key)
+      const item = node.value
+
+      // dispose of the old one before overwriting
+      // split out into 2 ifs for better coverage tracking
+      if (this[DISPOSE]) {
+        if (!this[NO_DISPOSE_ON_SET])
+          this[DISPOSE](key, item.value)
+      }
+
+      item.now = now
+      item.maxAge = maxAge
+      item.value = value
+      this[LENGTH] += len - item.length
+      item.length = len
+      this.get(key)
+      trim(this)
+      return true
+    }
+
+    const hit = new Entry(key, value, len, now, maxAge)
+
+    // oversized objects fall out of cache automatically.
+    if (hit.length > this[MAX]) {
+      if (this[DISPOSE])
+        this[DISPOSE](key, value)
+
+      return false
+    }
+
+    this[LENGTH] += hit.length
+    this[LRU_LIST].unshift(hit)
+    this[CACHE].set(key, this[LRU_LIST].head)
+    trim(this)
+    return true
+  }
+
+  has (key) {
+    if (!this[CACHE].has(key)) return false
+    const hit = this[CACHE].get(key).value
+    return !isStale(this, hit)
+  }
+
+  get (key) {
+    return get(this, key, true)
+  }
+
+  peek (key) {
+    return get(this, key, false)
+  }
+
+  pop () {
+    const node = this[LRU_LIST].tail
+    if (!node)
+      return null
+
+    del(this, node)
+    return node.value
+  }
+
+  del (key) {
+    del(this, this[CACHE].get(key))
+  }
+
+  load (arr) {
+    // reset the cache
+    this.reset()
+
+    const now = Date.now()
+    // A previous serialized cache has the most recent items first
+    for (let l = arr.length - 1; l >= 0; l--) {
+      const hit = arr[l]
+      const expiresAt = hit.e || 0
+      if (expiresAt === 0)
+        // the item was created without expiration in a non aged cache
+        this.set(hit.k, hit.v)
+      else {
+        const maxAge = expiresAt - now
+        // dont add already expired items
+        if (maxAge > 0) {
+          this.set(hit.k, hit.v, maxAge)
+        }
+      }
+    }
+  }
+
+  prune () {
+    this[CACHE].forEach((value, key) => get(this, key, false))
+  }
+}
+
+const get = (self, key, doUse) => {
+  const node = self[CACHE].get(key)
+  if (node) {
+    const hit = node.value
+    if (isStale(self, hit)) {
+      del(self, node)
+      if (!self[ALLOW_STALE])
+        return undefined
+    } else {
+      if (doUse) {
+        if (self[UPDATE_AGE_ON_GET])
+          node.value.now = Date.now()
+        self[LRU_LIST].unshiftNode(node)
+      }
+    }
+    return hit.value
+  }
+}
+
+const isStale = (self, hit) => {
+  if (!hit || (!hit.maxAge && !self[MAX_AGE]))
+    return false
+
+  const diff = Date.now() - hit.now
+  return hit.maxAge ? diff > hit.maxAge
+    : self[MAX_AGE] && (diff > self[MAX_AGE])
+}
+
+const trim = self => {
+  if (self[LENGTH] > self[MAX]) {
+    for (let walker = self[LRU_LIST].tail;
+      self[LENGTH] > self[MAX] && walker !== null;) {
+      // We know that we're about to delete this one, and also
+      // what the next least recently used key will be, so just
+      // go ahead and set it now.
+      const prev = walker.prev
+      del(self, walker)
+      walker = prev
+    }
+  }
+}
+
+const del = (self, node) => {
+  if (node) {
+    const hit = node.value
+    if (self[DISPOSE])
+      self[DISPOSE](hit.key, hit.value)
+
+    self[LENGTH] -= hit.length
+    self[CACHE].delete(hit.key)
+    self[LRU_LIST].removeNode(node)
+  }
+}
+
+class Entry {
+  constructor (key, value, length, now, maxAge) {
+    this.key = key
+    this.value = value
+    this.length = length
+    this.now = now
+    this.maxAge = maxAge || 0
+  }
+}
+
+const forEachStep = (self, fn, node, thisp) => {
+  let hit = node.value
+  if (isStale(self, hit)) {
+    del(self, node)
+    if (!self[ALLOW_STALE])
+      hit = undefined
+  }
+  if (hit)
+    fn.call(thisp, hit.value, hit.key, self)
+}
+
+module.exports = LRUCache
diff --git a/node_modules/lru-cache/package.json b/node_modules/lru-cache/package.json
new file mode 100644
index 00000000..d4611f8c
--- /dev/null
+++ b/node_modules/lru-cache/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "lru-cache",
+  "description": "A cache object that deletes the least-recently-used items.",
+  "version": "5.1.1",
+  "author": "Isaac Z. Schlueter <i@izs.me>",
+  "keywords": [
+    "mru",
+    "lru",
+    "cache"
+  ],
+  "scripts": {
+    "test": "tap test/*.js --100 -J",
+    "snap": "TAP_SNAPSHOT=1 tap test/*.js -J",
+    "coveragerport": "tap --coverage-report=html",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags"
+  },
+  "main": "index.js",
+  "repository": "git://github.com/isaacs/node-lru-cache.git",
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "tap": "^12.1.0"
+  },
+  "license": "ISC",
+  "dependencies": {
+    "yallist": "^3.0.2"
+  },
+  "files": [
+    "index.js"
+  ]
+}
diff --git a/node_modules/make-dir/index.d.ts b/node_modules/make-dir/index.d.ts
new file mode 100644
index 00000000..3e1529c6
--- /dev/null
+++ b/node_modules/make-dir/index.d.ts
@@ -0,0 +1,39 @@
+/// <reference types="node"/>
+import * as fs from 'fs';
+
+export interface Options {
+	/**
+	 * Directory [permissions](https://x-team.com/blog/file-system-permissions-umask-node-js/).
+	 *
+	 * @default 0o777 & (~process.umask())
+	 */
+	readonly mode?: number;
+
+	/**
+	 * Use a custom `fs` implementation. For example [`graceful-fs`](https://github.com/isaacs/node-graceful-fs).
+	 *
+	 * Using a custom `fs` implementation will block the use of the native `recursive` option if `fs.mkdir` or `fs.mkdirSync` is not the native function.
+	 *
+	 * @default require('fs')
+	 */
+	readonly fs?: typeof fs;
+}
+
+/**
+ * Make a directory and its parents if needed - Think `mkdir -p`.
+ *
+ * @param path - Directory to create.
+ * @returns A `Promise` for the path to the created directory.
+ */
+export default function makeDir(
+	path: string,
+	options?: Options
+): Promise<string>;
+
+/**
+ * Synchronously make a directory and its parents if needed - Think `mkdir -p`.
+ *
+ * @param path - Directory to create.
+ * @returns The path to the created directory.
+ */
+export function sync(path: string, options?: Options): string;
diff --git a/node_modules/make-dir/index.js b/node_modules/make-dir/index.js
new file mode 100644
index 00000000..4d95c916
--- /dev/null
+++ b/node_modules/make-dir/index.js
@@ -0,0 +1,139 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const pify = require('pify');
+const semver = require('semver');
+
+const defaults = {
+	mode: 0o777 & (~process.umask()),
+	fs
+};
+
+const useNativeRecursiveOption = semver.satisfies(process.version, '>=10.12.0');
+
+// https://github.com/nodejs/node/issues/8987
+// https://github.com/libuv/libuv/pull/1088
+const checkPath = pth => {
+	if (process.platform === 'win32') {
+		const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path.parse(pth).root, ''));
+
+		if (pathHasInvalidWinCharacters) {
+			const error = new Error(`Path contains invalid characters: ${pth}`);
+			error.code = 'EINVAL';
+			throw error;
+		}
+	}
+};
+
+const permissionError = pth => {
+	// This replicates the exception of `fs.mkdir` with native the
+	// `recusive` option when run on an invalid drive under Windows.
+	const error = new Error(`operation not permitted, mkdir '${pth}'`);
+	error.code = 'EPERM';
+	error.errno = -4048;
+	error.path = pth;
+	error.syscall = 'mkdir';
+	return error;
+};
+
+const makeDir = (input, options) => Promise.resolve().then(() => {
+	checkPath(input);
+	options = Object.assign({}, defaults, options);
+
+	// TODO: Use util.promisify when targeting Node.js 8
+	const mkdir = pify(options.fs.mkdir);
+	const stat = pify(options.fs.stat);
+
+	if (useNativeRecursiveOption && options.fs.mkdir === fs.mkdir) {
+		const pth = path.resolve(input);
+
+		return mkdir(pth, {
+			mode: options.mode,
+			recursive: true
+		}).then(() => pth);
+	}
+
+	const make = pth => {
+		return mkdir(pth, options.mode)
+			.then(() => pth)
+			.catch(error => {
+				if (error.code === 'EPERM') {
+					throw error;
+				}
+
+				if (error.code === 'ENOENT') {
+					if (path.dirname(pth) === pth) {
+						throw permissionError(pth);
+					}
+
+					if (error.message.includes('null bytes')) {
+						throw error;
+					}
+
+					return make(path.dirname(pth)).then(() => make(pth));
+				}
+
+				return stat(pth)
+					.then(stats => stats.isDirectory() ? pth : Promise.reject())
+					.catch(() => {
+						throw error;
+					});
+			});
+	};
+
+	return make(path.resolve(input));
+});
+
+module.exports = makeDir;
+module.exports.default = makeDir;
+
+module.exports.sync = (input, options) => {
+	checkPath(input);
+	options = Object.assign({}, defaults, options);
+
+	if (useNativeRecursiveOption && options.fs.mkdirSync === fs.mkdirSync) {
+		const pth = path.resolve(input);
+
+		fs.mkdirSync(pth, {
+			mode: options.mode,
+			recursive: true
+		});
+
+		return pth;
+	}
+
+	const make = pth => {
+		try {
+			options.fs.mkdirSync(pth, options.mode);
+		} catch (error) {
+			if (error.code === 'EPERM') {
+				throw error;
+			}
+
+			if (error.code === 'ENOENT') {
+				if (path.dirname(pth) === pth) {
+					throw permissionError(pth);
+				}
+
+				if (error.message.includes('null bytes')) {
+					throw error;
+				}
+
+				make(path.dirname(pth));
+				return make(pth);
+			}
+
+			try {
+				if (!options.fs.statSync(pth).isDirectory()) {
+					throw new Error('The path is not a directory');
+				}
+			} catch (_) {
+				throw error;
+			}
+		}
+
+		return pth;
+	};
+
+	return make(path.resolve(input));
+};
diff --git a/node_modules/make-dir/license b/node_modules/make-dir/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/make-dir/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/make-dir/package.json b/node_modules/make-dir/package.json
new file mode 100644
index 00000000..1b51bf70
--- /dev/null
+++ b/node_modules/make-dir/package.json
@@ -0,0 +1,59 @@
+{
+	"name": "make-dir",
+	"version": "2.1.0",
+	"description": "Make a directory and its parents if needed - Think `mkdir -p`",
+	"license": "MIT",
+	"repository": "sindresorhus/make-dir",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && nyc ava && tsd-check"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"mkdir",
+		"mkdirp",
+		"make",
+		"directories",
+		"dir",
+		"dirs",
+		"folders",
+		"directory",
+		"folder",
+		"path",
+		"parent",
+		"parents",
+		"intermediate",
+		"recursively",
+		"recursive",
+		"create",
+		"fs",
+		"filesystem",
+		"file-system"
+	],
+	"dependencies": {
+		"pify": "^4.0.1",
+		"semver": "^5.6.0"
+	},
+	"devDependencies": {
+		"@types/graceful-fs": "^4.1.3",
+		"@types/node": "^11.10.4",
+		"ava": "^1.2.0",
+		"codecov": "^3.0.0",
+		"graceful-fs": "^4.1.11",
+		"nyc": "^13.1.0",
+		"path-type": "^3.0.0",
+		"tempy": "^0.2.1",
+		"tsd-check": "^0.3.0",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/node_modules/make-dir/readme.md b/node_modules/make-dir/readme.md
new file mode 100644
index 00000000..8c225c1f
--- /dev/null
+++ b/node_modules/make-dir/readme.md
@@ -0,0 +1,123 @@
+# make-dir [![Build Status](https://travis-ci.org/sindresorhus/make-dir.svg?branch=master)](https://travis-ci.org/sindresorhus/make-dir) [![codecov](https://codecov.io/gh/sindresorhus/make-dir/branch/master/graph/badge.svg)](https://codecov.io/gh/sindresorhus/make-dir)
+
+> Make a directory and its parents if needed - Think `mkdir -p`
+
+
+## Advantages over [`mkdirp`](https://github.com/substack/node-mkdirp)
+
+- Promise API *(Async/await ready!)*
+- Fixes many `mkdirp` issues: [#96](https://github.com/substack/node-mkdirp/pull/96) [#70](https://github.com/substack/node-mkdirp/issues/70) [#66](https://github.com/substack/node-mkdirp/issues/66)
+- 100% test coverage
+- CI-tested on macOS, Linux, and Windows
+- Actively maintained
+- Doesn't bundle a CLI
+- Uses native the `fs.mkdir/mkdirSync` [`recursive` option](https://nodejs.org/dist/latest/docs/api/fs.html#fs_fs_mkdir_path_options_callback) in Node.js >=10.12.0 unless [overridden](#fs)
+
+
+## Install
+
+```
+$ npm install make-dir
+```
+
+
+## Usage
+
+```
+$ pwd
+/Users/sindresorhus/fun
+$ tree
+.
+```
+
+```js
+const makeDir = require('make-dir');
+
+(async () => {
+	const path = await makeDir('unicorn/rainbow/cake');
+
+	console.log(path);
+	//=> '/Users/sindresorhus/fun/unicorn/rainbow/cake'
+})();
+```
+
+```
+$ tree
+.
+└── unicorn
+    └── rainbow
+        └── cake
+```
+
+Multiple directories:
+
+```js
+const makeDir = require('make-dir');
+
+(async () => {
+	const paths = await Promise.all([
+		makeDir('unicorn/rainbow'),
+		makeDir('foo/bar')
+	]);
+
+	console.log(paths);
+	/*
+	[
+		'/Users/sindresorhus/fun/unicorn/rainbow',
+		'/Users/sindresorhus/fun/foo/bar'
+	]
+	*/
+})();
+```
+
+
+## API
+
+### makeDir(path, [options])
+
+Returns a `Promise` for the path to the created directory.
+
+### makeDir.sync(path, [options])
+
+Returns the path to the created directory.
+
+#### path
+
+Type: `string`
+
+Directory to create.
+
+#### options
+
+Type: `Object`
+
+##### mode
+
+Type: `integer`<br>
+Default: `0o777 & (~process.umask())`
+
+Directory [permissions](https://x-team.com/blog/file-system-permissions-umask-node-js/).
+
+##### fs
+
+Type: `Object`<br>
+Default: `require('fs')`
+
+Use a custom `fs` implementation. For example [`graceful-fs`](https://github.com/isaacs/node-graceful-fs).
+
+Using a custom `fs` implementation will block the use of the native `recursive` option if `fs.mkdir` or `fs.mkdirSync` is not the native function.
+
+
+## Related
+
+- [make-dir-cli](https://github.com/sindresorhus/make-dir-cli) - CLI for this module
+- [del](https://github.com/sindresorhus/del) - Delete files and directories
+- [globby](https://github.com/sindresorhus/globby) - User-friendly glob matching
+- [cpy](https://github.com/sindresorhus/cpy) - Copy files
+- [cpy-cli](https://github.com/sindresorhus/cpy-cli) - Copy files on the command-line
+- [move-file](https://github.com/sindresorhus/move-file) - Move a file
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/map-cache/LICENSE b/node_modules/map-cache/LICENSE
new file mode 100644
index 00000000..1e49edf8
--- /dev/null
+++ b/node_modules/map-cache/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/map-cache/README.md b/node_modules/map-cache/README.md
new file mode 100644
index 00000000..6260b29f
--- /dev/null
+++ b/node_modules/map-cache/README.md
@@ -0,0 +1,145 @@
+# map-cache [![NPM version](https://img.shields.io/npm/v/map-cache.svg?style=flat)](https://www.npmjs.com/package/map-cache) [![NPM downloads](https://img.shields.io/npm/dm/map-cache.svg?style=flat)](https://npmjs.org/package/map-cache) [![Build Status](https://img.shields.io/travis/jonschlinkert/map-cache.svg?style=flat)](https://travis-ci.org/jonschlinkert/map-cache)
+
+Basic cache object for storing key-value pairs.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install map-cache --save
+```
+
+Based on MapCache in Lo-dash v3.0. [MIT License](https://github.com/lodash/lodash/blob/master/LICENSE.txt)
+
+## Usage
+
+```js
+var MapCache = require('map-cache');
+var mapCache = new MapCache();
+```
+
+## API
+
+### [MapCache](index.js#L28)
+
+Creates a cache object to store key/value pairs.
+
+**Example**
+
+```js
+var cache = new MapCache();
+```
+
+### [.set](index.js#L45)
+
+Adds `value` to `key` on the cache.
+
+**Params**
+
+* `key` **{String}**: The key of the value to cache.
+* `value` **{any}**: The value to cache.
+* `returns` **{Object}**: Returns the `Cache` object for chaining.
+
+**Example**
+
+```js
+cache.set('foo', 'bar');
+```
+
+### [.get](index.js#L65)
+
+Gets the cached value for `key`.
+
+**Params**
+
+* `key` **{String}**: The key of the value to get.
+* `returns` **{any}**: Returns the cached value.
+
+**Example**
+
+```js
+cache.get('foo');
+//=> 'bar'
+```
+
+### [.has](index.js#L82)
+
+Checks if a cached value for `key` exists.
+
+**Params**
+
+* `key` **{String}**: The key of the entry to check.
+* `returns` **{Boolean}**: Returns `true` if an entry for `key` exists, else `false`.
+
+**Example**
+
+```js
+cache.has('foo');
+//=> true
+```
+
+### [.del](index.js#L98)
+
+Removes `key` and its value from the cache.
+
+**Params**
+
+* `key` **{String}**: The key of the value to remove.
+* `returns` **{Boolean}**: Returns `true` if the entry was removed successfully, else `false`.
+
+**Example**
+
+```js
+cache.del('foo');
+```
+
+## Related projects
+
+You might also be interested in these projects:
+
+* [cache-base](https://www.npmjs.com/package/cache-base): Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects. | [homepage](https://github.com/jonschlinkert/cache-base)
+* [config-cache](https://www.npmjs.com/package/config-cache): General purpose JavaScript object storage methods. | [homepage](https://github.com/jonschlinkert/config-cache)
+* [option-cache](https://www.npmjs.com/package/option-cache): Simple API for managing options in JavaScript applications. | [homepage](https://github.com/jonschlinkert/option-cache)
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/map-cache/issues/new).
+
+## Building docs
+
+Generate readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install verb && npm run docs
+```
+
+Or, if [verb](https://github.com/verbose/verb) is installed globally:
+
+```sh
+$ verb
+```
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/map-cache/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on May 10, 2016._
\ No newline at end of file
diff --git a/node_modules/map-cache/index.js b/node_modules/map-cache/index.js
new file mode 100644
index 00000000..f86842f2
--- /dev/null
+++ b/node_modules/map-cache/index.js
@@ -0,0 +1,100 @@
+/*!
+ * map-cache <https://github.com/jonschlinkert/map-cache>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var hasOwn = Object.prototype.hasOwnProperty;
+
+/**
+ * Expose `MapCache`
+ */
+
+module.exports = MapCache;
+
+/**
+ * Creates a cache object to store key/value pairs.
+ *
+ * ```js
+ * var cache = new MapCache();
+ * ```
+ *
+ * @api public
+ */
+
+function MapCache(data) {
+  this.__data__ = data || {};
+}
+
+/**
+ * Adds `value` to `key` on the cache.
+ *
+ * ```js
+ * cache.set('foo', 'bar');
+ * ```
+ *
+ * @param {String} `key` The key of the value to cache.
+ * @param {*} `value` The value to cache.
+ * @returns {Object} Returns the `Cache` object for chaining.
+ * @api public
+ */
+
+MapCache.prototype.set = function mapSet(key, value) {
+  if (key !== '__proto__') {
+    this.__data__[key] = value;
+  }
+  return this;
+};
+
+/**
+ * Gets the cached value for `key`.
+ *
+ * ```js
+ * cache.get('foo');
+ * //=> 'bar'
+ * ```
+ *
+ * @param {String} `key` The key of the value to get.
+ * @returns {*} Returns the cached value.
+ * @api public
+ */
+
+MapCache.prototype.get = function mapGet(key) {
+  return key === '__proto__' ? undefined : this.__data__[key];
+};
+
+/**
+ * Checks if a cached value for `key` exists.
+ *
+ * ```js
+ * cache.has('foo');
+ * //=> true
+ * ```
+ *
+ * @param {String} `key` The key of the entry to check.
+ * @returns {Boolean} Returns `true` if an entry for `key` exists, else `false`.
+ * @api public
+ */
+
+MapCache.prototype.has = function mapHas(key) {
+  return key !== '__proto__' && hasOwn.call(this.__data__, key);
+};
+
+/**
+ * Removes `key` and its value from the cache.
+ *
+ * ```js
+ * cache.del('foo');
+ * ```
+ * @title .del
+ * @param {String} `key` The key of the value to remove.
+ * @returns {Boolean} Returns `true` if the entry was removed successfully, else `false`.
+ * @api public
+ */
+
+MapCache.prototype.del = function mapDelete(key) {
+  return this.has(key) && delete this.__data__[key];
+};
diff --git a/node_modules/map-cache/package.json b/node_modules/map-cache/package.json
new file mode 100644
index 00000000..8bf0af2c
--- /dev/null
+++ b/node_modules/map-cache/package.json
@@ -0,0 +1,59 @@
+{
+  "name": "map-cache",
+  "description": "Basic cache object for storing key-value pairs.",
+  "version": "0.2.2",
+  "homepage": "https://github.com/jonschlinkert/map-cache",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/map-cache",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/map-cache/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.9",
+    "should": "^8.3.1"
+  },
+  "keywords": [
+    "cache",
+    "get",
+    "has",
+    "object",
+    "set",
+    "storage",
+    "store"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "config-cache",
+        "option-cache",
+        "cache-base"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/map-visit/LICENSE b/node_modules/map-visit/LICENSE
new file mode 100644
index 00000000..83b56e70
--- /dev/null
+++ b/node_modules/map-visit/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/map-visit/README.md b/node_modules/map-visit/README.md
new file mode 100644
index 00000000..5ab02d45
--- /dev/null
+++ b/node_modules/map-visit/README.md
@@ -0,0 +1,155 @@
+# map-visit [![NPM version](https://img.shields.io/npm/v/map-visit.svg?style=flat)](https://www.npmjs.com/package/map-visit) [![NPM monthly downloads](https://img.shields.io/npm/dm/map-visit.svg?style=flat)](https://npmjs.org/package/map-visit)  [![NPM total downloads](https://img.shields.io/npm/dt/map-visit.svg?style=flat)](https://npmjs.org/package/map-visit) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/map-visit.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/map-visit)
+
+> Map `visit` over an array of objects.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save map-visit
+```
+
+## Usage
+
+```js
+var mapVisit = require('map-visit');
+```
+
+## What does this do?
+
+**Assign/Merge/Extend vs. Visit**
+
+Let's say you want to add a `set` method to your application that will:
+
+* set key-value pairs on a `data` object
+* extend objects onto the `data` object
+* extend arrays of objects onto the data object
+
+**Example using `extend`**
+
+Here is one way to accomplish this using Lo-Dash's `extend` (comparable to `Object.assign`):
+
+```js
+var _ = require('lodash');
+
+var obj = {
+  data: {},
+  set: function (key, value) {
+    if (Array.isArray(key)) {
+      _.extend.apply(_, [obj.data].concat(key));
+    } else if (typeof key === 'object') {
+      _.extend(obj.data, key);
+    } else {
+      obj.data[key] = value;
+    }
+  }
+};
+
+obj.set('a', 'a');
+obj.set([{b: 'b'}, {c: 'c'}]);
+obj.set({d: {e: 'f'}});
+
+console.log(obj.data);
+//=> {a: 'a', b: 'b', c: 'c', d: { e: 'f' }}
+```
+
+The above approach works fine for most use cases. However, **if you also want to emit an event** each time a property is added to the `data` object, or you want more control over what happens as the object is extended, a better approach would be to use `visit`.
+
+**Example using `visit`**
+
+In this approach:
+
+* when an array is passed to `set`, the `mapVisit` library calls the `set` method on each object in the array.
+* when an object is passed, `visit` calls `set` on each property in the object.
+
+As a result, the `data` event will be emitted every time a property is added to `data` (events are just an example, you can use this approach to perform any necessary logic every time the method is called).
+
+```js
+var mapVisit = require('map-visit');
+var visit = require('object-visit');
+
+var obj = {
+  data: {},
+  set: function (key, value) {
+    if (Array.isArray(key)) {
+      mapVisit(obj, 'set', key);
+    } else if (typeof key === 'object') {
+      visit(obj, 'set', key);
+    } else {
+      // simulate an event-emitter
+      console.log('emit', key, value);
+      obj.data[key] = value;
+    }
+  }
+};
+
+obj.set('a', 'a');
+obj.set([{b: 'b'}, {c: 'c'}]);
+obj.set({d: {e: 'f'}});
+obj.set({g: 'h', i: 'j', k: 'l'});
+
+console.log(obj.data);
+//=> {a: 'a', b: 'b', c: 'c', d: { e: 'f' }, g: 'h', i: 'j', k: 'l'}
+
+// events would look something like:
+// emit a a
+// emit b b
+// emit c c
+// emit d { e: 'f' }
+// emit g h
+// emit i j
+// emit k l
+```
+
+## About
+
+### Related projects
+
+* [collection-visit](https://www.npmjs.com/package/collection-visit): Visit a method over the items in an object, or map visit over the objects… [more](https://github.com/jonschlinkert/collection-visit) | [homepage](https://github.com/jonschlinkert/collection-visit "Visit a method over the items in an object, or map visit over the objects in an array.")
+* [object-visit](https://www.npmjs.com/package/object-visit): Call a specified method on each value in the given object. | [homepage](https://github.com/jonschlinkert/object-visit "Call a specified method on each value in the given object.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 15 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 7 | [doowb](https://github.com/doowb) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 09, 2017._
\ No newline at end of file
diff --git a/node_modules/map-visit/index.js b/node_modules/map-visit/index.js
new file mode 100644
index 00000000..bc54ccc4
--- /dev/null
+++ b/node_modules/map-visit/index.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var util = require('util');
+var visit = require('object-visit');
+
+/**
+ * Map `visit` over an array of objects.
+ *
+ * @param  {Object} `collection` The context in which to invoke `method`
+ * @param  {String} `method` Name of the method to call on `collection`
+ * @param  {Object} `arr` Array of objects.
+ */
+
+module.exports = function mapVisit(collection, method, val) {
+  if (isObject(val)) {
+    return visit.apply(null, arguments);
+  }
+
+  if (!Array.isArray(val)) {
+    throw new TypeError('expected an array: ' + util.inspect(val));
+  }
+
+  var args = [].slice.call(arguments, 3);
+
+  for (var i = 0; i < val.length; i++) {
+    var ele = val[i];
+    if (isObject(ele)) {
+      visit.apply(null, [collection, method, ele].concat(args));
+    } else {
+      collection[method].apply(collection, [ele].concat(args));
+    }
+  }
+};
+
+function isObject(val) {
+  return val && (typeof val === 'function' || (!Array.isArray(val) && typeof val === 'object'));
+}
diff --git a/node_modules/map-visit/package.json b/node_modules/map-visit/package.json
new file mode 100644
index 00000000..e8d0f41c
--- /dev/null
+++ b/node_modules/map-visit/package.json
@@ -0,0 +1,74 @@
+{
+  "name": "map-visit",
+  "description": "Map `visit` over an array of objects.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/map-visit",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward <brian.woodward@gmail.com> (https://twitter.com/doowb)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/map-visit",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/map-visit/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "object-visit": "^1.0.0"
+  },
+  "devDependencies": {
+    "clone-deep": "^0.2.4",
+    "extend-shallow": "^2.0.1",
+    "gulp-format-md": "^0.1.12",
+    "lodash": "^4.17.4",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "array",
+    "arrays",
+    "function",
+    "helper",
+    "invoke",
+    "key",
+    "map",
+    "method",
+    "object",
+    "objects",
+    "value",
+    "visit",
+    "visitor"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "related": {
+      "list": [
+        "collection-visit",
+        "object-visit"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ]
+  }
+}
diff --git a/node_modules/math-intrinsics/.eslintrc b/node_modules/math-intrinsics/.eslintrc
new file mode 100644
index 00000000..d90a1bc6
--- /dev/null
+++ b/node_modules/math-intrinsics/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"eqeqeq": ["error", "allow-null"],
+		"id-length": "off",
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"RequireObjectCoercible",
+				"ToObject",
+			],
+		}],
+	},
+}
diff --git a/node_modules/math-intrinsics/.github/FUNDING.yml b/node_modules/math-intrinsics/.github/FUNDING.yml
new file mode 100644
index 00000000..868f4ff4
--- /dev/null
+++ b/node_modules/math-intrinsics/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/math-intrinsics
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/math-intrinsics/CHANGELOG.md b/node_modules/math-intrinsics/CHANGELOG.md
new file mode 100644
index 00000000..9cf48f5a
--- /dev/null
+++ b/node_modules/math-intrinsics/CHANGELOG.md
@@ -0,0 +1,24 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.0](https://github.com/es-shims/math-intrinsics/compare/v1.0.0...v1.1.0) - 2024-12-18
+
+### Commits
+
+- [New] add `round` [`7cfb044`](https://github.com/es-shims/math-intrinsics/commit/7cfb04460c0fbdf1ca101eecbac3f59d11994130)
+- [Tests] add attw [`e96be8f`](https://github.com/es-shims/math-intrinsics/commit/e96be8fbf58449eafe976446a0470e6ea561ad8d)
+- [Dev Deps] update `@types/tape` [`30d0023`](https://github.com/es-shims/math-intrinsics/commit/30d00234ce8a3fa0094a61cd55d6686eb91e36ec)
+
+## v1.0.0 - 2024-12-11
+
+### Commits
+
+- Initial implementation, tests, readme, types [`b898caa`](https://github.com/es-shims/math-intrinsics/commit/b898caae94e9994a94a42b8740f7bbcfd0a868fe)
+- Initial commit [`02745b0`](https://github.com/es-shims/math-intrinsics/commit/02745b03a62255af8a332771987b55d127538d9c)
+- [New] add `constants/maxArrayLength`, `mod` [`b978178`](https://github.com/es-shims/math-intrinsics/commit/b978178a57685bd23ed1c7efe2137f3784f5fcc5)
+- npm init [`a39fc57`](https://github.com/es-shims/math-intrinsics/commit/a39fc57e5639a645d0bd52a0dc56202480223be2)
+- Only apps should have lockfiles [`9451580`](https://github.com/es-shims/math-intrinsics/commit/94515800fb34db4f3cc7e99290042d45609ac7bd)
diff --git a/node_modules/math-intrinsics/LICENSE b/node_modules/math-intrinsics/LICENSE
new file mode 100644
index 00000000..34995e79
--- /dev/null
+++ b/node_modules/math-intrinsics/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 ECMAScript Shims
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/math-intrinsics/README.md b/node_modules/math-intrinsics/README.md
new file mode 100644
index 00000000..4a66dcf2
--- /dev/null
+++ b/node_modules/math-intrinsics/README.md
@@ -0,0 +1,50 @@
+# math-intrinsics <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+ES Math-related intrinsics and helpers, robustly cached.
+
+ - `abs`
+ - `floor`
+ - `isFinite`
+ - `isInteger`
+ - `isNaN`
+ - `isNegativeZero`
+ - `max`
+ - `min`
+ - `mod`
+ - `pow`
+ - `round`
+ - `sign`
+ - `constants/maxArrayLength`
+ - `constants/maxSafeInteger`
+ - `constants/maxValue`
+
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/math-intrinsics
+[npm-version-svg]: https://versionbadg.es/es-shims/math-intrinsics.svg
+[deps-svg]: https://david-dm.org/es-shims/math-intrinsics.svg
+[deps-url]: https://david-dm.org/es-shims/math-intrinsics
+[dev-deps-svg]: https://david-dm.org/es-shims/math-intrinsics/dev-status.svg
+[dev-deps-url]: https://david-dm.org/es-shims/math-intrinsics#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/math-intrinsics.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/math-intrinsics.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-object.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=math-intrinsics
+[codecov-image]: https://codecov.io/gh/es-shims/math-intrinsics/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/es-shims/math-intrinsics/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/es-shims/math-intrinsics
+[actions-url]: https://github.com/es-shims/math-intrinsics/actions
diff --git a/node_modules/math-intrinsics/abs.d.ts b/node_modules/math-intrinsics/abs.d.ts
new file mode 100644
index 00000000..14ad9c69
--- /dev/null
+++ b/node_modules/math-intrinsics/abs.d.ts
@@ -0,0 +1 @@
+export = Math.abs;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/abs.js b/node_modules/math-intrinsics/abs.js
new file mode 100644
index 00000000..a751424c
--- /dev/null
+++ b/node_modules/math-intrinsics/abs.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./abs')} */
+module.exports = Math.abs;
diff --git a/node_modules/math-intrinsics/constants/maxArrayLength.d.ts b/node_modules/math-intrinsics/constants/maxArrayLength.d.ts
new file mode 100644
index 00000000..b92d46be
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxArrayLength.d.ts
@@ -0,0 +1,3 @@
+declare const MAX_ARRAY_LENGTH: 4294967295;
+
+export = MAX_ARRAY_LENGTH;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/constants/maxArrayLength.js b/node_modules/math-intrinsics/constants/maxArrayLength.js
new file mode 100644
index 00000000..cfc6affd
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxArrayLength.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./maxArrayLength')} */
+module.exports = 4294967295; // Math.pow(2, 32) - 1;
diff --git a/node_modules/math-intrinsics/constants/maxSafeInteger.d.ts b/node_modules/math-intrinsics/constants/maxSafeInteger.d.ts
new file mode 100644
index 00000000..fee3f621
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxSafeInteger.d.ts
@@ -0,0 +1,3 @@
+declare const MAX_SAFE_INTEGER: 9007199254740991;
+
+export = MAX_SAFE_INTEGER;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/constants/maxSafeInteger.js b/node_modules/math-intrinsics/constants/maxSafeInteger.js
new file mode 100644
index 00000000..b568ad39
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxSafeInteger.js
@@ -0,0 +1,5 @@
+'use strict';
+
+/** @type {import('./maxSafeInteger')} */
+// eslint-disable-next-line no-extra-parens
+module.exports = /** @type {import('./maxSafeInteger')} */ (Number.MAX_SAFE_INTEGER) || 9007199254740991; // Math.pow(2, 53) - 1;
diff --git a/node_modules/math-intrinsics/constants/maxValue.d.ts b/node_modules/math-intrinsics/constants/maxValue.d.ts
new file mode 100644
index 00000000..292cb827
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxValue.d.ts
@@ -0,0 +1,3 @@
+declare const MAX_VALUE: 1.7976931348623157e+308;
+
+export = MAX_VALUE;
diff --git a/node_modules/math-intrinsics/constants/maxValue.js b/node_modules/math-intrinsics/constants/maxValue.js
new file mode 100644
index 00000000..a2202dc3
--- /dev/null
+++ b/node_modules/math-intrinsics/constants/maxValue.js
@@ -0,0 +1,5 @@
+'use strict';
+
+/** @type {import('./maxValue')}  */
+// eslint-disable-next-line no-extra-parens
+module.exports = /** @type {import('./maxValue')}  */ (Number.MAX_VALUE) || 1.7976931348623157e+308;
diff --git a/node_modules/math-intrinsics/floor.d.ts b/node_modules/math-intrinsics/floor.d.ts
new file mode 100644
index 00000000..9265236f
--- /dev/null
+++ b/node_modules/math-intrinsics/floor.d.ts
@@ -0,0 +1 @@
+export = Math.floor;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/floor.js b/node_modules/math-intrinsics/floor.js
new file mode 100644
index 00000000..ab0e5d7d
--- /dev/null
+++ b/node_modules/math-intrinsics/floor.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./floor')} */
+module.exports = Math.floor;
diff --git a/node_modules/math-intrinsics/isFinite.d.ts b/node_modules/math-intrinsics/isFinite.d.ts
new file mode 100644
index 00000000..6daae331
--- /dev/null
+++ b/node_modules/math-intrinsics/isFinite.d.ts
@@ -0,0 +1,3 @@
+declare function isFinite(x: unknown): x is number | bigint;
+
+export = isFinite;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/isFinite.js b/node_modules/math-intrinsics/isFinite.js
new file mode 100644
index 00000000..b201a5a5
--- /dev/null
+++ b/node_modules/math-intrinsics/isFinite.js
@@ -0,0 +1,12 @@
+'use strict';
+
+var $isNaN = require('./isNaN');
+
+/** @type {import('./isFinite')} */
+module.exports = function isFinite(x) {
+	return (typeof x === 'number' || typeof x === 'bigint')
+        && !$isNaN(x)
+        && x !== Infinity
+        && x !== -Infinity;
+};
+
diff --git a/node_modules/math-intrinsics/isInteger.d.ts b/node_modules/math-intrinsics/isInteger.d.ts
new file mode 100644
index 00000000..13935a8c
--- /dev/null
+++ b/node_modules/math-intrinsics/isInteger.d.ts
@@ -0,0 +1,3 @@
+declare function isInteger(argument: unknown): argument is number;
+
+export = isInteger;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/isInteger.js b/node_modules/math-intrinsics/isInteger.js
new file mode 100644
index 00000000..4b1b9a56
--- /dev/null
+++ b/node_modules/math-intrinsics/isInteger.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var $abs = require('./abs');
+var $floor = require('./floor');
+
+var $isNaN = require('./isNaN');
+var $isFinite = require('./isFinite');
+
+/** @type {import('./isInteger')} */
+module.exports = function isInteger(argument) {
+	if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
+		return false;
+	}
+	var absValue = $abs(argument);
+	return $floor(absValue) === absValue;
+};
diff --git a/node_modules/math-intrinsics/isNaN.d.ts b/node_modules/math-intrinsics/isNaN.d.ts
new file mode 100644
index 00000000..c1d4c552
--- /dev/null
+++ b/node_modules/math-intrinsics/isNaN.d.ts
@@ -0,0 +1 @@
+export = Number.isNaN;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/isNaN.js b/node_modules/math-intrinsics/isNaN.js
new file mode 100644
index 00000000..e36475cf
--- /dev/null
+++ b/node_modules/math-intrinsics/isNaN.js
@@ -0,0 +1,6 @@
+'use strict';
+
+/** @type {import('./isNaN')} */
+module.exports = Number.isNaN || function isNaN(a) {
+	return a !== a;
+};
diff --git a/node_modules/math-intrinsics/isNegativeZero.d.ts b/node_modules/math-intrinsics/isNegativeZero.d.ts
new file mode 100644
index 00000000..7ad88193
--- /dev/null
+++ b/node_modules/math-intrinsics/isNegativeZero.d.ts
@@ -0,0 +1,3 @@
+declare function isNegativeZero(x: unknown): boolean;
+
+export = isNegativeZero;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/isNegativeZero.js b/node_modules/math-intrinsics/isNegativeZero.js
new file mode 100644
index 00000000..b69adcc5
--- /dev/null
+++ b/node_modules/math-intrinsics/isNegativeZero.js
@@ -0,0 +1,6 @@
+'use strict';
+
+/** @type {import('./isNegativeZero')} */
+module.exports = function isNegativeZero(x) {
+	return x === 0 && 1 / x === 1 / -0;
+};
diff --git a/node_modules/math-intrinsics/max.d.ts b/node_modules/math-intrinsics/max.d.ts
new file mode 100644
index 00000000..ad6f43e3
--- /dev/null
+++ b/node_modules/math-intrinsics/max.d.ts
@@ -0,0 +1 @@
+export = Math.max;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/max.js b/node_modules/math-intrinsics/max.js
new file mode 100644
index 00000000..edb55dfb
--- /dev/null
+++ b/node_modules/math-intrinsics/max.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./max')} */
+module.exports = Math.max;
diff --git a/node_modules/math-intrinsics/min.d.ts b/node_modules/math-intrinsics/min.d.ts
new file mode 100644
index 00000000..fd90f2d5
--- /dev/null
+++ b/node_modules/math-intrinsics/min.d.ts
@@ -0,0 +1 @@
+export = Math.min;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/min.js b/node_modules/math-intrinsics/min.js
new file mode 100644
index 00000000..5a4a7c71
--- /dev/null
+++ b/node_modules/math-intrinsics/min.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./min')} */
+module.exports = Math.min;
diff --git a/node_modules/math-intrinsics/mod.d.ts b/node_modules/math-intrinsics/mod.d.ts
new file mode 100644
index 00000000..549dbd46
--- /dev/null
+++ b/node_modules/math-intrinsics/mod.d.ts
@@ -0,0 +1,3 @@
+declare function mod(number: number, modulo: number): number;
+
+export = mod;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/mod.js b/node_modules/math-intrinsics/mod.js
new file mode 100644
index 00000000..4a98362b
--- /dev/null
+++ b/node_modules/math-intrinsics/mod.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var $floor = require('./floor');
+
+/** @type {import('./mod')} */
+module.exports = function mod(number, modulo) {
+	var remain = number % modulo;
+	return $floor(remain >= 0 ? remain : remain + modulo);
+};
diff --git a/node_modules/math-intrinsics/package.json b/node_modules/math-intrinsics/package.json
new file mode 100644
index 00000000..06762735
--- /dev/null
+++ b/node_modules/math-intrinsics/package.json
@@ -0,0 +1,86 @@
+{
+	"name": "math-intrinsics",
+	"version": "1.1.0",
+	"description": "ES Math-related intrinsics and helpers, robustly cached.",
+	"main": false,
+	"exports": {
+		"./abs": "./abs.js",
+		"./floor": "./floor.js",
+		"./isFinite": "./isFinite.js",
+		"./isInteger": "./isInteger.js",
+		"./isNaN": "./isNaN.js",
+		"./isNegativeZero": "./isNegativeZero.js",
+		"./max": "./max.js",
+		"./min": "./min.js",
+		"./mod": "./mod.js",
+		"./pow": "./pow.js",
+		"./sign": "./sign.js",
+		"./round": "./round.js",
+		"./constants/maxArrayLength": "./constants/maxArrayLength.js",
+		"./constants/maxSafeInteger": "./constants/maxSafeInteger.js",
+		"./constants/maxValue": "./constants/maxValue.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"prelint": "evalmd README.md && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc && attw -P",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/es-shims/math-intrinsics.git"
+	},
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/es-shims/math-intrinsics/issues"
+	},
+	"homepage": "https://github.com/es-shims/math-intrinsics#readme",
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/for-each": "^0.3.3",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.8.0",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"es-value-fixtures": "^1.5.0",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.3",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/math-intrinsics/pow.d.ts b/node_modules/math-intrinsics/pow.d.ts
new file mode 100644
index 00000000..5873c441
--- /dev/null
+++ b/node_modules/math-intrinsics/pow.d.ts
@@ -0,0 +1 @@
+export = Math.pow;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/pow.js b/node_modules/math-intrinsics/pow.js
new file mode 100644
index 00000000..c0a41038
--- /dev/null
+++ b/node_modules/math-intrinsics/pow.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./pow')} */
+module.exports = Math.pow;
diff --git a/node_modules/math-intrinsics/round.d.ts b/node_modules/math-intrinsics/round.d.ts
new file mode 100644
index 00000000..da1fde3f
--- /dev/null
+++ b/node_modules/math-intrinsics/round.d.ts
@@ -0,0 +1 @@
+export = Math.round;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/round.js b/node_modules/math-intrinsics/round.js
new file mode 100644
index 00000000..b7921566
--- /dev/null
+++ b/node_modules/math-intrinsics/round.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./round')} */
+module.exports = Math.round;
diff --git a/node_modules/math-intrinsics/sign.d.ts b/node_modules/math-intrinsics/sign.d.ts
new file mode 100644
index 00000000..c49cecaa
--- /dev/null
+++ b/node_modules/math-intrinsics/sign.d.ts
@@ -0,0 +1,3 @@
+declare function sign(x: number): number;
+
+export = sign;
\ No newline at end of file
diff --git a/node_modules/math-intrinsics/sign.js b/node_modules/math-intrinsics/sign.js
new file mode 100644
index 00000000..9e5173c8
--- /dev/null
+++ b/node_modules/math-intrinsics/sign.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var $isNaN = require('./isNaN');
+
+/** @type {import('./sign')} */
+module.exports = function sign(number) {
+	if ($isNaN(number) || number === 0) {
+		return number;
+	}
+	return number < 0 ? -1 : +1;
+};
diff --git a/node_modules/math-intrinsics/test/index.js b/node_modules/math-intrinsics/test/index.js
new file mode 100644
index 00000000..0f90a5dc
--- /dev/null
+++ b/node_modules/math-intrinsics/test/index.js
@@ -0,0 +1,192 @@
+'use strict';
+
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+
+var abs = require('../abs');
+var floor = require('../floor');
+var isFinite = require('../isFinite');
+var isInteger = require('../isInteger');
+var isNaN = require('../isNaN');
+var isNegativeZero = require('../isNegativeZero');
+var max = require('../max');
+var min = require('../min');
+var mod = require('../mod');
+var pow = require('../pow');
+var round = require('../round');
+var sign = require('../sign');
+
+var maxArrayLength = require('../constants/maxArrayLength');
+var maxSafeInteger = require('../constants/maxSafeInteger');
+var maxValue = require('../constants/maxValue');
+
+test('abs', function (t) {
+	t.equal(abs(-1), 1, 'abs(-1) === 1');
+	t.equal(abs(+1), 1, 'abs(+1) === 1');
+	t.equal(abs(+0), +0, 'abs(+0) === +0');
+	t.equal(abs(-0), +0, 'abs(-0) === +0');
+
+	t.end();
+});
+
+test('floor', function (t) {
+	t.equal(floor(-1.1), -2, 'floor(-1.1) === -2');
+	t.equal(floor(+1.1), 1, 'floor(+1.1) === 1');
+	t.equal(floor(+0), +0, 'floor(+0) === +0');
+	t.equal(floor(-0), -0, 'floor(-0) === -0');
+	t.equal(floor(-Infinity), -Infinity, 'floor(-Infinity) === -Infinity');
+	t.equal(floor(Number(Infinity)), Number(Infinity), 'floor(+Infinity) === +Infinity');
+	t.equal(floor(NaN), NaN, 'floor(NaN) === NaN');
+	t.equal(floor(0), +0, 'floor(0) === +0');
+	t.equal(floor(-0), -0, 'floor(-0) === -0');
+	t.equal(floor(1), 1, 'floor(1) === 1');
+	t.equal(floor(-1), -1, 'floor(-1) === -1');
+	t.equal(floor(1.1), 1, 'floor(1.1) === 1');
+	t.equal(floor(-1.1), -2, 'floor(-1.1) === -2');
+	t.equal(floor(maxValue), maxValue, 'floor(maxValue) === maxValue');
+	t.equal(floor(maxSafeInteger), maxSafeInteger, 'floor(maxSafeInteger) === maxSafeInteger');
+
+	t.end();
+});
+
+test('isFinite', function (t) {
+	t.equal(isFinite(0), true, 'isFinite(+0) === true');
+	t.equal(isFinite(-0), true, 'isFinite(-0) === true');
+	t.equal(isFinite(1), true, 'isFinite(1) === true');
+	t.equal(isFinite(Infinity), false, 'isFinite(Infinity) === false');
+	t.equal(isFinite(-Infinity), false, 'isFinite(-Infinity) === false');
+	t.equal(isFinite(NaN), false, 'isFinite(NaN) === false');
+
+	forEach(v.nonNumbers, function (nonNumber) {
+		t.equal(isFinite(nonNumber), false, 'isFinite(' + inspect(nonNumber) + ') === false');
+	});
+
+	t.end();
+});
+
+test('isInteger', function (t) {
+	forEach([].concat(
+		// @ts-expect-error TS sucks with concat
+		v.nonNumbers,
+		v.nonIntegerNumbers
+	), function (nonInteger) {
+		t.equal(isInteger(nonInteger), false, 'isInteger(' + inspect(nonInteger) + ') === false');
+	});
+
+	t.end();
+});
+
+test('isNaN', function (t) {
+	forEach([].concat(
+		// @ts-expect-error TS sucks with concat
+		v.nonNumbers,
+		v.infinities,
+		v.zeroes,
+		v.integerNumbers
+	), function (nonNaN) {
+		t.equal(isNaN(nonNaN), false, 'isNaN(' + inspect(nonNaN) + ') === false');
+	});
+
+	t.equal(isNaN(NaN), true, 'isNaN(NaN) === true');
+
+	t.end();
+});
+
+test('isNegativeZero', function (t) {
+	t.equal(isNegativeZero(-0), true, 'isNegativeZero(-0) === true');
+	t.equal(isNegativeZero(+0), false, 'isNegativeZero(+0) === false');
+	t.equal(isNegativeZero(1), false, 'isNegativeZero(1) === false');
+	t.equal(isNegativeZero(-1), false, 'isNegativeZero(-1) === false');
+	t.equal(isNegativeZero(NaN), false, 'isNegativeZero(NaN) === false');
+	t.equal(isNegativeZero(Infinity), false, 'isNegativeZero(Infinity) === false');
+	t.equal(isNegativeZero(-Infinity), false, 'isNegativeZero(-Infinity) === false');
+
+	forEach(v.nonNumbers, function (nonNumber) {
+		t.equal(isNegativeZero(nonNumber), false, 'isNegativeZero(' + inspect(nonNumber) + ') === false');
+	});
+
+	t.end();
+});
+
+test('max', function (t) {
+	t.equal(max(1, 2), 2, 'max(1, 2) === 2');
+	t.equal(max(1, 2, 3), 3, 'max(1, 2, 3) === 3');
+	t.equal(max(1, 2, 3, 4), 4, 'max(1, 2, 3, 4) === 4');
+	t.equal(max(1, 2, 3, 4, 5), 5, 'max(1, 2, 3, 4, 5) === 5');
+	t.equal(max(1, 2, 3, 4, 5, 6), 6, 'max(1, 2, 3, 4, 5, 6) === 6');
+	t.equal(max(1, 2, 3, 4, 5, 6, 7), 7, 'max(1, 2, 3, 4, 5, 6, 7) === 7');
+
+	t.end();
+});
+
+test('min', function (t) {
+	t.equal(min(1, 2), 1, 'min(1, 2) === 1');
+	t.equal(min(1, 2, 3), 1, 'min(1, 2, 3) === 1');
+	t.equal(min(1, 2, 3, 4), 1, 'min(1, 2, 3, 4) === 1');
+	t.equal(min(1, 2, 3, 4, 5), 1, 'min(1, 2, 3, 4, 5) === 1');
+	t.equal(min(1, 2, 3, 4, 5, 6), 1, 'min(1, 2, 3, 4, 5, 6) === 1');
+
+	t.end();
+});
+
+test('mod', function (t) {
+	t.equal(mod(1, 2), 1, 'mod(1, 2) === 1');
+	t.equal(mod(2, 2), 0, 'mod(2, 2) === 0');
+	t.equal(mod(3, 2), 1, 'mod(3, 2) === 1');
+	t.equal(mod(4, 2), 0, 'mod(4, 2) === 0');
+	t.equal(mod(5, 2), 1, 'mod(5, 2) === 1');
+	t.equal(mod(6, 2), 0, 'mod(6, 2) === 0');
+	t.equal(mod(7, 2), 1, 'mod(7, 2) === 1');
+	t.equal(mod(8, 2), 0, 'mod(8, 2) === 0');
+	t.equal(mod(9, 2), 1, 'mod(9, 2) === 1');
+	t.equal(mod(10, 2), 0, 'mod(10, 2) === 0');
+	t.equal(mod(11, 2), 1, 'mod(11, 2) === 1');
+
+	t.end();
+});
+
+test('pow', function (t) {
+	t.equal(pow(2, 2), 4, 'pow(2, 2) === 4');
+	t.equal(pow(2, 3), 8, 'pow(2, 3) === 8');
+	t.equal(pow(2, 4), 16, 'pow(2, 4) === 16');
+	t.equal(pow(2, 5), 32, 'pow(2, 5) === 32');
+	t.equal(pow(2, 6), 64, 'pow(2, 6) === 64');
+	t.equal(pow(2, 7), 128, 'pow(2, 7) === 128');
+	t.equal(pow(2, 8), 256, 'pow(2, 8) === 256');
+	t.equal(pow(2, 9), 512, 'pow(2, 9) === 512');
+	t.equal(pow(2, 10), 1024, 'pow(2, 10) === 1024');
+
+	t.end();
+});
+
+test('round', function (t) {
+	t.equal(round(1.1), 1, 'round(1.1) === 1');
+	t.equal(round(1.5), 2, 'round(1.5) === 2');
+	t.equal(round(1.9), 2, 'round(1.9) === 2');
+
+	t.end();
+});
+
+test('sign', function (t) {
+	t.equal(sign(-1), -1, 'sign(-1) === -1');
+	t.equal(sign(+1), +1, 'sign(+1) === +1');
+	t.equal(sign(+0), +0, 'sign(+0) === +0');
+	t.equal(sign(-0), -0, 'sign(-0) === -0');
+	t.equal(sign(NaN), NaN, 'sign(NaN) === NaN');
+	t.equal(sign(Infinity), +1, 'sign(Infinity) === +1');
+	t.equal(sign(-Infinity), -1, 'sign(-Infinity) === -1');
+	t.equal(sign(maxValue), +1, 'sign(maxValue) === +1');
+	t.equal(sign(maxSafeInteger), +1, 'sign(maxSafeInteger) === +1');
+
+	t.end();
+});
+
+test('constants', function (t) {
+	t.equal(typeof maxArrayLength, 'number', 'typeof maxArrayLength === "number"');
+	t.equal(typeof maxSafeInteger, 'number', 'typeof maxSafeInteger === "number"');
+	t.equal(typeof maxValue, 'number', 'typeof maxValue === "number"');
+
+	t.end();
+});
diff --git a/node_modules/math-intrinsics/tsconfig.json b/node_modules/math-intrinsics/tsconfig.json
new file mode 100644
index 00000000..b1310007
--- /dev/null
+++ b/node_modules/math-intrinsics/tsconfig.json
@@ -0,0 +1,3 @@
+{
+	"extends": "@ljharb/tsconfig",
+}
diff --git a/node_modules/md5.js/LICENSE b/node_modules/md5.js/LICENSE
new file mode 100644
index 00000000..6f02ae80
--- /dev/null
+++ b/node_modules/md5.js/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Kirill Fomichev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/md5.js/README.md b/node_modules/md5.js/README.md
new file mode 100644
index 00000000..36316e1b
--- /dev/null
+++ b/node_modules/md5.js/README.md
@@ -0,0 +1,29 @@
+# md5.js
+
+[![NPM Package](https://img.shields.io/npm/v/md5.js.svg?style=flat-square)](https://www.npmjs.org/package/md5.js)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/md5.js.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/md5.js)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/md5.js.svg?style=flat-square)](https://david-dm.org/crypto-browserify/md5.js#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+Node style `md5` on pure JavaScript.
+
+From [NIST SP 800-131A][1]: *md5 is no longer acceptable where collision resistance is required such as digital signatures.*
+
+## Example
+
+```js
+var MD5 = require('md5.js')
+
+console.log(new MD5().update('42').digest('hex'))
+// => a1d0c6e83f027327d8461063f4ac58a6
+
+var md5stream = new MD5()
+md5stream.end('42')
+console.log(md5stream.read().toString('hex'))
+// => a1d0c6e83f027327d8461063f4ac58a6
+```
+
+## LICENSE [MIT](LICENSE)
+
+[1]: http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-131Ar1.pdf
diff --git a/node_modules/md5.js/index.js b/node_modules/md5.js/index.js
new file mode 100644
index 00000000..cbfa2e37
--- /dev/null
+++ b/node_modules/md5.js/index.js
@@ -0,0 +1,146 @@
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+var Buffer = require('safe-buffer').Buffer
+
+var ARRAY16 = new Array(16)
+
+function MD5 () {
+  HashBase.call(this, 64)
+
+  // state
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+}
+
+inherits(MD5, HashBase)
+
+MD5.prototype._update = function () {
+  var M = ARRAY16
+  for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4)
+
+  var a = this._a
+  var b = this._b
+  var c = this._c
+  var d = this._d
+
+  a = fnF(a, b, c, d, M[0], 0xd76aa478, 7)
+  d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12)
+  c = fnF(c, d, a, b, M[2], 0x242070db, 17)
+  b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22)
+  a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7)
+  d = fnF(d, a, b, c, M[5], 0x4787c62a, 12)
+  c = fnF(c, d, a, b, M[6], 0xa8304613, 17)
+  b = fnF(b, c, d, a, M[7], 0xfd469501, 22)
+  a = fnF(a, b, c, d, M[8], 0x698098d8, 7)
+  d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12)
+  c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17)
+  b = fnF(b, c, d, a, M[11], 0x895cd7be, 22)
+  a = fnF(a, b, c, d, M[12], 0x6b901122, 7)
+  d = fnF(d, a, b, c, M[13], 0xfd987193, 12)
+  c = fnF(c, d, a, b, M[14], 0xa679438e, 17)
+  b = fnF(b, c, d, a, M[15], 0x49b40821, 22)
+
+  a = fnG(a, b, c, d, M[1], 0xf61e2562, 5)
+  d = fnG(d, a, b, c, M[6], 0xc040b340, 9)
+  c = fnG(c, d, a, b, M[11], 0x265e5a51, 14)
+  b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20)
+  a = fnG(a, b, c, d, M[5], 0xd62f105d, 5)
+  d = fnG(d, a, b, c, M[10], 0x02441453, 9)
+  c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14)
+  b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20)
+  a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5)
+  d = fnG(d, a, b, c, M[14], 0xc33707d6, 9)
+  c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14)
+  b = fnG(b, c, d, a, M[8], 0x455a14ed, 20)
+  a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5)
+  d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9)
+  c = fnG(c, d, a, b, M[7], 0x676f02d9, 14)
+  b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20)
+
+  a = fnH(a, b, c, d, M[5], 0xfffa3942, 4)
+  d = fnH(d, a, b, c, M[8], 0x8771f681, 11)
+  c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16)
+  b = fnH(b, c, d, a, M[14], 0xfde5380c, 23)
+  a = fnH(a, b, c, d, M[1], 0xa4beea44, 4)
+  d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11)
+  c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16)
+  b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23)
+  a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4)
+  d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11)
+  c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16)
+  b = fnH(b, c, d, a, M[6], 0x04881d05, 23)
+  a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4)
+  d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11)
+  c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16)
+  b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23)
+
+  a = fnI(a, b, c, d, M[0], 0xf4292244, 6)
+  d = fnI(d, a, b, c, M[7], 0x432aff97, 10)
+  c = fnI(c, d, a, b, M[14], 0xab9423a7, 15)
+  b = fnI(b, c, d, a, M[5], 0xfc93a039, 21)
+  a = fnI(a, b, c, d, M[12], 0x655b59c3, 6)
+  d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10)
+  c = fnI(c, d, a, b, M[10], 0xffeff47d, 15)
+  b = fnI(b, c, d, a, M[1], 0x85845dd1, 21)
+  a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6)
+  d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10)
+  c = fnI(c, d, a, b, M[6], 0xa3014314, 15)
+  b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21)
+  a = fnI(a, b, c, d, M[4], 0xf7537e82, 6)
+  d = fnI(d, a, b, c, M[11], 0xbd3af235, 10)
+  c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15)
+  b = fnI(b, c, d, a, M[9], 0xeb86d391, 21)
+
+  this._a = (this._a + a) | 0
+  this._b = (this._b + b) | 0
+  this._c = (this._c + c) | 0
+  this._d = (this._d + d) | 0
+}
+
+MD5.prototype._digest = function () {
+  // create padding and handle blocks
+  this._block[this._blockOffset++] = 0x80
+  if (this._blockOffset > 56) {
+    this._block.fill(0, this._blockOffset, 64)
+    this._update()
+    this._blockOffset = 0
+  }
+
+  this._block.fill(0, this._blockOffset, 56)
+  this._block.writeUInt32LE(this._length[0], 56)
+  this._block.writeUInt32LE(this._length[1], 60)
+  this._update()
+
+  // produce result
+  var buffer = Buffer.allocUnsafe(16)
+  buffer.writeInt32LE(this._a, 0)
+  buffer.writeInt32LE(this._b, 4)
+  buffer.writeInt32LE(this._c, 8)
+  buffer.writeInt32LE(this._d, 12)
+  return buffer
+}
+
+function rotl (x, n) {
+  return (x << n) | (x >>> (32 - n))
+}
+
+function fnF (a, b, c, d, m, k, s) {
+  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0
+}
+
+function fnG (a, b, c, d, m, k, s) {
+  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0
+}
+
+function fnH (a, b, c, d, m, k, s) {
+  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0
+}
+
+function fnI (a, b, c, d, m, k, s) {
+  return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0
+}
+
+module.exports = MD5
diff --git a/node_modules/md5.js/package.json b/node_modules/md5.js/package.json
new file mode 100644
index 00000000..e12e3c72
--- /dev/null
+++ b/node_modules/md5.js/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "md5.js",
+  "version": "1.3.5",
+  "description": "node style md5 on pure JavaScript",
+  "keywords": [
+    "crypto",
+    "md5"
+  ],
+  "homepage": "https://github.com/crypto-browserify/md5.js",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/md5.js/issues"
+  },
+  "license": "MIT",
+  "author": "Kirill Fomichev <fanatid@ya.ru> (https://github.com/fanatid)",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/md5.js.git"
+  },
+  "scripts": {
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "unit": "node test/*.js"
+  },
+  "dependencies": {
+    "hash-base": "^3.0.0",
+    "inherits": "^2.0.1",
+    "safe-buffer": "^5.1.2"
+  },
+  "devDependencies": {
+    "hash-test-vectors": "^1.3.2",
+    "standard": "^7.0.0",
+    "tape": "^4.2.0"
+  }
+}
diff --git a/node_modules/memory-fs/README.md b/node_modules/memory-fs/README.md
new file mode 100644
index 00000000..62cd7763
--- /dev/null
+++ b/node_modules/memory-fs/README.md
@@ -0,0 +1,29 @@
+# memory-fs
+
+A simple in-memory filesystem. Holds data in a javascript object.
+
+``` javascript
+var MemoryFileSystem = require("memory-fs");
+var fs = new MemoryFileSystem(); // Optionally pass a javascript object
+
+fs.mkdirpSync("/a/test/dir");
+fs.writeFileSync("/a/test/dir/file.txt", "Hello World");
+fs.readFileSync("/a/test/dir/file.txt"); // returns Buffer("Hello World")
+
+// Async variants too
+fs.unlink("/a/test/dir/file.txt", function(err) {
+	// ...
+});
+
+fs.readdirSync("/a/test"); // returns ["dir"]
+fs.statSync("/a/test/dir").isDirectory(); // returns true
+fs.rmdirSync("/a/test/dir");
+
+fs.mkdirpSync("C:\\use\\windows\\style\\paths");
+```
+
+## License
+
+Copyright (c) 2012-2014 Tobias Koppers
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
diff --git a/node_modules/memory-fs/lib/MemoryFileSystem.js b/node_modules/memory-fs/lib/MemoryFileSystem.js
new file mode 100644
index 00000000..c8d3b697
--- /dev/null
+++ b/node_modules/memory-fs/lib/MemoryFileSystem.js
@@ -0,0 +1,329 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+var normalize = require("./normalize");
+var errors = require("errno");
+var stream = require("readable-stream");
+
+var ReadableStream = stream.Readable;
+var WritableStream = stream.Writable;
+
+function MemoryFileSystemError(err, path) {
+	Error.call(this)
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, arguments.callee)
+	this.code = err.code;
+	this.errno = err.errno;
+	this.message = err.description;
+	this.path = path;
+}
+MemoryFileSystemError.prototype = new Error();
+
+function MemoryFileSystem(data) {
+	this.data = data || {};
+}
+module.exports = MemoryFileSystem;
+
+function isDir(item) {
+	if(typeof item !== "object") return false;
+	return item[""] === true;
+}
+
+function isFile(item) {
+	if(typeof item !== "object") return false;
+	return !item[""];
+}
+
+function pathToArray(path) {
+	path = normalize(path);
+	var nix = /^\//.test(path);
+	if(!nix) {
+		if(!/^[A-Za-z]:/.test(path)) {
+			throw new MemoryFileSystemError(errors.code.EINVAL, path);
+		}
+		path = path.replace(/[\\\/]+/g, "\\"); // multi slashs
+		path = path.split(/[\\\/]/);
+		path[0] = path[0].toUpperCase();
+	} else {
+		path = path.replace(/\/+/g, "/"); // multi slashs
+		path = path.substr(1).split("/");
+	}
+	if(!path[path.length-1]) path.pop();
+	return path;
+}
+
+function trueFn() { return true; }
+function falseFn() { return false; }
+
+MemoryFileSystem.prototype.meta = function(_path) {
+	var path = pathToArray(_path);
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			return;
+		current = current[path[i]];
+	}
+	return current[path[i]];
+}
+
+MemoryFileSystem.prototype.existsSync = function(_path) {
+	return !!this.meta(_path);
+}
+
+MemoryFileSystem.prototype.statSync = function(_path) {
+	var current = this.meta(_path);
+	if(_path === "/" || isDir(current)) {
+		return {
+			isFile: falseFn,
+			isDirectory: trueFn,
+			isBlockDevice: falseFn,
+			isCharacterDevice: falseFn,
+			isSymbolicLink: falseFn,
+			isFIFO: falseFn,
+			isSocket: falseFn
+		};
+	} else if(isFile(current)) {
+		return {
+			isFile: trueFn,
+			isDirectory: falseFn,
+			isBlockDevice: falseFn,
+			isCharacterDevice: falseFn,
+			isSymbolicLink: falseFn,
+			isFIFO: falseFn,
+			isSocket: falseFn
+		};
+	} else {
+		throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+	}
+};
+
+MemoryFileSystem.prototype.readFileSync = function(_path, encoding) {
+	var path = pathToArray(_path);
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+		current = current[path[i]];
+	}
+	if(!isFile(current[path[i]])) {
+		if(isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.EISDIR, _path);
+		else
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+	}
+	current = current[path[i]];
+	return encoding ? current.toString(encoding) : current;
+};
+
+MemoryFileSystem.prototype.readdirSync = function(_path) {
+	if(_path === "/") return Object.keys(this.data).filter(Boolean);
+	var path = pathToArray(_path);
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+		current = current[path[i]];
+	}
+	if(!isDir(current[path[i]])) {
+		if(isFile(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOTDIR, _path);
+		else
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+	}
+	return Object.keys(current[path[i]]).filter(Boolean);
+};
+
+MemoryFileSystem.prototype.mkdirpSync = function(_path) {
+	var path = pathToArray(_path);
+	if(path.length === 0) return;
+	var current = this.data;
+	for(var i = 0; i < path.length; i++) {
+		if(isFile(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOTDIR, _path);
+		else if(!isDir(current[path[i]]))
+			current[path[i]] = {"":true};
+		current = current[path[i]];
+	}
+	return;
+};
+
+MemoryFileSystem.prototype.mkdirSync = function(_path) {
+	var path = pathToArray(_path);
+	if(path.length === 0) return;
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+		current = current[path[i]];
+	}
+	if(isDir(current[path[i]]))
+		throw new MemoryFileSystemError(errors.code.EEXIST, _path);
+	else if(isFile(current[path[i]]))
+		throw new MemoryFileSystemError(errors.code.ENOTDIR, _path);
+	current[path[i]] = {"":true};
+	return;
+};
+
+MemoryFileSystem.prototype._remove = function(_path, name, testFn) {
+	var path = pathToArray(_path);
+	if(path.length === 0) {
+		throw new MemoryFileSystemError(errors.code.EPERM, _path);
+	}
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+		current = current[path[i]];
+	}
+	if(!testFn(current[path[i]]))
+		throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+	delete current[path[i]];
+	return;
+};
+
+MemoryFileSystem.prototype.rmdirSync = function(_path) {
+	return this._remove(_path, "Directory", isDir);
+};
+
+MemoryFileSystem.prototype.unlinkSync = function(_path) {
+	return this._remove(_path, "File", isFile);
+};
+
+MemoryFileSystem.prototype.readlinkSync = function(_path) {
+	throw new MemoryFileSystemError(errors.code.ENOSYS, _path);
+};
+
+MemoryFileSystem.prototype.writeFileSync = function(_path, content, encoding) {
+	if(!content && !encoding) throw new Error("No content");
+	var path = pathToArray(_path);
+	if(path.length === 0) {
+		throw new MemoryFileSystemError(errors.code.EISDIR, _path);
+	}
+	var current = this.data;
+	for(var i = 0; i < path.length - 1; i++) {
+		if(!isDir(current[path[i]]))
+			throw new MemoryFileSystemError(errors.code.ENOENT, _path);
+		current = current[path[i]];
+	}
+	if(isDir(current[path[i]]))
+		throw new MemoryFileSystemError(errors.code.EISDIR, _path);
+	current[path[i]] = encoding || typeof content === "string" ? new Buffer(content, encoding) : content;
+	return;
+};
+
+MemoryFileSystem.prototype.join = require("./join");
+MemoryFileSystem.prototype.pathToArray = pathToArray;
+MemoryFileSystem.prototype.normalize = normalize;
+
+// stream functions
+
+MemoryFileSystem.prototype.createReadStream = function(path, options) {
+	var stream = new ReadableStream();
+	var done = false;
+	var data;
+	try {
+		data = this.readFileSync(path);
+	} catch (e) {
+		stream._read = function() {
+			if (done) {
+				return;
+			}
+			done = true;
+			this.emit('error', e);
+			this.push(null);
+		};
+		return stream;
+	}
+	options = options || { };
+	options.start = options.start || 0;
+	options.end = options.end || data.length;
+	stream._read = function() {
+		if (done) {
+			return;
+		}
+		done = true;
+		this.push(data.slice(options.start, options.end));
+		this.push(null);
+	};
+	return stream;
+};
+
+MemoryFileSystem.prototype.createWriteStream = function(path, options) {
+	var stream = new WritableStream(), self = this;
+	try {
+		// Zero the file and make sure it is writable
+		this.writeFileSync(path, new Buffer(0));
+	} catch(e) {
+		// This or setImmediate?
+		stream.once('prefinish', function() {
+			stream.emit('error', e);
+		});
+		return stream;
+	}
+	var bl = [ ], len = 0;
+	stream._write = function(chunk, encoding, callback) {
+		bl.push(chunk);
+		len += chunk.length;
+		self.writeFile(path, Buffer.concat(bl, len), callback);
+	}
+	return stream;
+};
+
+// async functions
+
+["stat", "readdir", "mkdirp", "rmdir", "unlink", "readlink"].forEach(function(fn) {
+	MemoryFileSystem.prototype[fn] = function(path, callback) {
+		try {
+			var result = this[fn + "Sync"](path);
+		} catch(e) {
+			setImmediate(function() {
+				callback(e);
+			});
+
+			return;
+		}
+		setImmediate(function() {
+			callback(null, result);
+		});
+	};
+});
+
+["mkdir", "readFile"].forEach(function(fn) {
+	MemoryFileSystem.prototype[fn] = function(path, optArg, callback) {
+		if(!callback) {
+			callback = optArg;
+			optArg = undefined;
+		}
+		try {
+			var result = this[fn + "Sync"](path, optArg);
+		} catch(e) {
+			setImmediate(function() {
+				callback(e);
+			});
+
+			return;
+		}
+		setImmediate(function() {
+			callback(null, result);
+		});
+	};
+});
+
+MemoryFileSystem.prototype.exists = function(path, callback) {
+	return callback(this.existsSync(path));
+}
+
+MemoryFileSystem.prototype.writeFile = function (path, content, encoding, callback) {
+	if(!callback) {
+		callback = encoding;
+		encoding = undefined;
+	}
+	try {
+		this.writeFileSync(path, content, encoding);
+	} catch(e) {
+		return callback(e);
+	}
+	return callback();
+};
diff --git a/node_modules/memory-fs/lib/join.js b/node_modules/memory-fs/lib/join.js
new file mode 100644
index 00000000..149ce8a6
--- /dev/null
+++ b/node_modules/memory-fs/lib/join.js
@@ -0,0 +1,14 @@
+var normalize = require("./normalize");
+
+var absoluteWinRegExp = /^[A-Z]:([\\\/]|$)/i;
+var absoluteNixRegExp = /^\//i;
+
+module.exports = function join(path, request) {
+	if(!request) return normalize(path);
+	if(absoluteWinRegExp.test(request)) return normalize(request.replace(/\//g, "\\"));
+	if(absoluteNixRegExp.test(request)) return normalize(request);
+	if(path == "/") return normalize(path + request);
+	if(absoluteWinRegExp.test(path)) return normalize(path.replace(/\//g, "\\") + "\\" + request.replace(/\//g, "\\"));
+	if(absoluteNixRegExp.test(path)) return normalize(path + "/" + request);
+	return normalize(path + "/" + request);
+};
diff --git a/node_modules/memory-fs/lib/normalize.js b/node_modules/memory-fs/lib/normalize.js
new file mode 100644
index 00000000..aa8a0133
--- /dev/null
+++ b/node_modules/memory-fs/lib/normalize.js
@@ -0,0 +1,86 @@
+module.exports = function normalize(path) {
+	var parts = path.split(/(\\+|\/+)/);
+	if(parts.length === 1)
+		return path;
+	var result = [];
+	var absolutePathStart = 0;
+	for(var i = 0, sep = false; i < parts.length; i++, sep = !sep) {
+		var part = parts[i];
+		if(i === 0 && /^([A-Z]:)?$/i.test(part)) {
+			result.push(part);
+			absolutePathStart = 2;
+		} else if(sep) {
+			result.push(part[0]);
+		} else if(part === "..") {
+			switch(result.length) {
+				case 0:
+					// i. e. ".." => ".."
+					// i. e. "../a/b/c" => "../a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/.." => ""
+					// i. e. "/.." => "/"
+					// i. e. "C:\.." => "C:\"
+					// i. e. "a/../b/c" => "b/c"
+					// i. e. "/../b/c" => "/b/c"
+					// i. e. "C:\..\a\b\c" => "C:\a\b\c"
+					i++;
+					sep = !sep;
+					result.length = absolutePathStart;
+					break;
+				case 4:
+					// i. e. "a/b/.." => "a"
+					// i. e. "/a/.." => "/"
+					// i. e. "C:\a\.." => "C:\"
+					// i. e. "/a/../b/c" => "/b/c"
+					if(absolutePathStart === 0) {
+						result.length -= 3;
+					} else {
+						i++;
+						sep = !sep;
+						result.length = 2;
+					}
+					break;
+				default:
+					// i. e. "/a/b/.." => "/a"
+					// i. e. "/a/b/../c" => "/a/c"
+					result.length -= 3;
+					break;
+			}
+		} else if(part === ".") {
+			switch(result.length) {
+				case 0:
+					// i. e. "." => "."
+					// i. e. "./a/b/c" => "./a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/." => "a"
+					// i. e. "/." => "/"
+					// i. e. "C:\." => "C:\"
+					// i. e. "C:\.\a\b\c" => "C:\a\b\c"
+					if(absolutePathStart === 0) {
+						result.length--;
+					} else {
+						i++;
+						sep = !sep;
+					}
+					break;
+				default:
+					// i. e. "a/b/." => "a/b"
+					// i. e. "/a/." => "/"
+					// i. e. "C:\a\." => "C:\"
+					// i. e. "a/./b/c" => "a/b/c"
+					// i. e. "/a/./b/c" => "/a/b/c"
+					result.length--;
+					break;
+			}
+		} else if(part) {
+			result.push(part);
+		}
+	}
+	if(result.length === 1 && /^[A-Za-z]:$/.test(result))
+		return result[0] + "\\";
+	return result.join("");
+};
diff --git a/node_modules/memory-fs/package.json b/node_modules/memory-fs/package.json
new file mode 100644
index 00000000..47b8c9cc
--- /dev/null
+++ b/node_modules/memory-fs/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "memory-fs",
+  "version": "0.4.1",
+  "description": "A simple in-memory filesystem. Holds data in a javascript object.",
+  "main": "lib/MemoryFileSystem.js",
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha",
+    "travis": "npm run cover -- --report lcovonly"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/memory-fs.git"
+  },
+  "keywords": [
+    "fs",
+    "memory"
+  ],
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/memory-fs/issues"
+  },
+  "homepage": "https://github.com/webpack/memory-fs",
+  "devDependencies": {
+    "bl": "^1.0.0",
+    "codecov.io": "^0.1.4",
+    "coveralls": "^2.11.2",
+    "istanbul": "^0.2.13",
+    "mocha": "^1.20.1",
+    "should": "^4.0.4"
+  },
+  "dependencies": {
+    "errno": "^0.1.3",
+    "readable-stream": "^2.0.1"
+  }
+}
diff --git a/node_modules/micromatch/CHANGELOG.md b/node_modules/micromatch/CHANGELOG.md
new file mode 100644
index 00000000..9d8e5ed0
--- /dev/null
+++ b/node_modules/micromatch/CHANGELOG.md
@@ -0,0 +1,37 @@
+## History
+
+### key
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog][]_):
+
+- `added`: for new features
+- `changed`: for changes in existing functionality
+- `deprecated`: for once-stable features removed in upcoming releases
+- `removed`: for deprecated features removed in this release
+- `fixed`: for any bug fixes
+- `bumped`: updated dependencies, only minor or higher will be listed.
+
+### [3.0.0] - 2017-04-11
+
+TODO. There should be no breaking changes. Please report any regressions. I will [reformat these release notes](https://github.com/micromatch/micromatch/pull/76) and add them to the changelog as soon as I have a chance. 
+
+### [1.0.1] - 2016-12-12
+
+**Added**
+
+- Support for windows path edge cases where backslashes are used in brackets or other unusual combinations.
+
+### [1.0.0] - 2016-12-12
+
+Stable release.
+
+### [0.1.0] - 2016-10-08
+
+First release.
+
+
+[Unreleased]: https://github.com/jonschlinkert/micromatch/compare/0.1.0...HEAD
+[0.2.0]: https://github.com/jonschlinkert/micromatch/compare/0.1.0...0.2.0
+
+[keep-a-changelog]: https://github.com/olivierlacan/keep-a-changelog
+
diff --git a/node_modules/micromatch/LICENSE b/node_modules/micromatch/LICENSE
new file mode 100644
index 00000000..d32ab442
--- /dev/null
+++ b/node_modules/micromatch/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/micromatch/README.md b/node_modules/micromatch/README.md
new file mode 100644
index 00000000..5dfa1498
--- /dev/null
+++ b/node_modules/micromatch/README.md
@@ -0,0 +1,1150 @@
+# micromatch [![NPM version](https://img.shields.io/npm/v/micromatch.svg?style=flat)](https://www.npmjs.com/package/micromatch) [![NPM monthly downloads](https://img.shields.io/npm/dm/micromatch.svg?style=flat)](https://npmjs.org/package/micromatch) [![NPM total downloads](https://img.shields.io/npm/dt/micromatch.svg?style=flat)](https://npmjs.org/package/micromatch) [![Linux Build Status](https://img.shields.io/travis/micromatch/micromatch.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/micromatch) [![Windows Build Status](https://img.shields.io/appveyor/ci/micromatch/micromatch.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/micromatch/micromatch)
+
+> Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Table of Contents
+
+<details>
+<summary><strong>Details</strong></summary>
+
+- [Install](#install)
+- [Quickstart](#quickstart)
+- [Why use micromatch?](#why-use-micromatch)
+  * [Matching features](#matching-features)
+- [Switching to micromatch](#switching-to-micromatch)
+  * [From minimatch](#from-minimatch)
+  * [From multimatch](#from-multimatch)
+- [API](#api)
+- [Options](#options)
+  * [options.basename](#optionsbasename)
+  * [options.bash](#optionsbash)
+  * [options.cache](#optionscache)
+  * [options.dot](#optionsdot)
+  * [options.failglob](#optionsfailglob)
+  * [options.ignore](#optionsignore)
+  * [options.matchBase](#optionsmatchbase)
+  * [options.nobrace](#optionsnobrace)
+  * [options.nocase](#optionsnocase)
+  * [options.nodupes](#optionsnodupes)
+  * [options.noext](#optionsnoext)
+  * [options.nonegate](#optionsnonegate)
+  * [options.noglobstar](#optionsnoglobstar)
+  * [options.nonull](#optionsnonull)
+  * [options.nullglob](#optionsnullglob)
+  * [options.snapdragon](#optionssnapdragon)
+  * [options.sourcemap](#optionssourcemap)
+  * [options.unescape](#optionsunescape)
+  * [options.unixify](#optionsunixify)
+- [Extended globbing](#extended-globbing)
+  * [extglobs](#extglobs)
+  * [braces](#braces)
+  * [regex character classes](#regex-character-classes)
+  * [regex groups](#regex-groups)
+  * [POSIX bracket expressions](#posix-bracket-expressions)
+- [Notes](#notes)
+  * [Bash 4.3 parity](#bash-43-parity)
+  * [Backslashes](#backslashes)
+- [Contributing](#contributing)
+- [Benchmarks](#benchmarks)
+  * [Running benchmarks](#running-benchmarks)
+  * [Latest results](#latest-results)
+- [About](#about)
+
+</details>
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save micromatch
+```
+
+## Quickstart
+
+```js
+var mm = require('micromatch');
+mm(list, patterns[, options]);
+```
+
+The [main export](#micromatch) takes a list of strings and one or more glob patterns:
+
+```js
+console.log(mm(['foo', 'bar', 'qux'], ['f*', 'b*'])); 
+//=> ['foo', 'bar']
+```
+
+Use [.isMatch()](#ismatch) to get true/false:
+
+```js
+console.log(mm.isMatch('foo', 'f*'));  
+//=> true
+```
+
+[Switching](#switching-to-micromatch) from minimatch and multimatch is easy!
+
+## Why use micromatch?
+
+> micromatch is a [drop-in replacement](#switching-to-micromatch) for minimatch and multimatch
+
+* Supports all of the same matching features as [minimatch](https://github.com/isaacs/minimatch) and [multimatch](https://github.com/sindresorhus/multimatch)
+* Micromatch uses [snapdragon](https://github.com/jonschlinkert/snapdragon) for parsing and compiling globs, which provides granular control over the entire conversion process in a way that is easy to understand, reason about, and maintain.
+* More consistently accurate matching [than minimatch](https://github.com/yarnpkg/yarn/pull/3339), with more than 36,000 [test assertions](./test) to prove it.
+* More complete support for the Bash 4.3 specification than minimatch and multimatch. In fact, micromatch passes _all of the spec tests_ from bash, including some that bash still fails.
+* [Faster matching](#benchmarks), from a combination of optimized glob patterns, faster algorithms, and regex caching.
+* [Micromatch is safer](https://github.com/micromatch/braces#braces-is-safe), and is not subject to DoS with brace patterns, like minimatch and multimatch.
+* More reliable windows support than minimatch and multimatch.
+
+### Matching features
+
+* Support for multiple glob patterns (no need for wrappers like multimatch)
+* Wildcards (`**`, `*.js`)
+* Negation (`'!a/*.js'`, `'*!(b).js']`)
+* [extglobs](https://github.com/micromatch/extglob) (`+(x|y)`, `!(a|b)`)
+* [POSIX character classes](https://github.com/micromatch/expand-brackets) (`[[:alpha:][:digit:]]`)
+* [brace expansion](https://github.com/micromatch/braces) (`foo/{1..5}.md`, `bar/{a,b,c}.js`)
+* regex character classes (`foo-[1-5].js`)
+* regex logical "or" (`foo/(abc|xyz).js`)
+
+You can mix and match these features to create whatever patterns you need!
+
+## Switching to micromatch
+
+There is one notable difference between micromatch and minimatch in regards to how backslashes are handled. See [the notes about backslashes](#backslashes) for more information.
+
+### From minimatch
+
+Use [mm.isMatch()](#ismatch) instead of `minimatch()`:
+
+```js
+mm.isMatch('foo', 'b*');
+//=> false
+```
+
+Use [mm.match()](#match) instead of `minimatch.match()`:
+
+```js
+mm.match(['foo', 'bar'], 'b*');
+//=> 'bar'
+```
+
+### From multimatch
+
+Same signature:
+
+```js
+mm(['foo', 'bar', 'baz'], ['f*', '*z']);
+//=> ['foo', 'baz']
+```
+
+## API
+
+### [micromatch](index.js#L41)
+
+The main function takes a list of strings and one or more glob patterns to use for matching.
+
+**Params**
+
+* `list` **{Array}**: A list of strings to match
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of matches
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm(list, patterns[, options]);
+
+console.log(mm(['a.js', 'a.txt'], ['*.js']));
+//=> [ 'a.js' ]
+```
+
+### [.match](index.js#L93)
+
+Similar to the main function, but `pattern` must be a string.
+
+**Params**
+
+* `list` **{Array}**: Array of strings to match
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of matches
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.match(list, pattern[, options]);
+
+console.log(mm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
+//=> ['a.a', 'a.aa']
+```
+
+### [.isMatch](index.js#L154)
+
+Returns true if the specified `string` matches the given glob `pattern`.
+
+**Params**
+
+* `string` **{String}**: String to match
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if the string matches the glob pattern.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.isMatch(string, pattern[, options]);
+
+console.log(mm.isMatch('a.a', '*.a'));
+//=> true
+console.log(mm.isMatch('a.b', '*.a'));
+//=> false
+```
+
+### [.some](index.js#L192)
+
+Returns true if some of the strings in the given `list` match any of the given glob `patterns`.
+
+**Params**
+
+* `list` **{String|Array}**: The string or array of strings to test. Returns as soon as the first match is found.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.some(list, patterns[, options]);
+
+console.log(mm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+// true
+console.log(mm.some(['foo.js'], ['*.js', '!foo.js']));
+// false
+```
+
+### [.every](index.js#L228)
+
+Returns true if every string in the given `list` matches any of the given glob `patterns`.
+
+**Params**
+
+* `list` **{String|Array}**: The string or array of strings to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.every(list, patterns[, options]);
+
+console.log(mm.every('foo.js', ['foo.js']));
+// true
+console.log(mm.every(['foo.js', 'bar.js'], ['*.js']));
+// true
+console.log(mm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+// false
+console.log(mm.every(['foo.js'], ['*.js', '!foo.js']));
+// false
+```
+
+### [.any](index.js#L260)
+
+Returns true if **any** of the given glob `patterns` match the specified `string`.
+
+**Params**
+
+* `str` **{String|Array}**: The string to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.any(string, patterns[, options]);
+
+console.log(mm.any('a.a', ['b.*', '*.a']));
+//=> true
+console.log(mm.any('a.a', 'b.*'));
+//=> false
+```
+
+### [.all](index.js#L308)
+
+Returns true if **all** of the given `patterns` match the specified string.
+
+**Params**
+
+* `str` **{String|Array}**: The string to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.all(string, patterns[, options]);
+
+console.log(mm.all('foo.js', ['foo.js']));
+// true
+
+console.log(mm.all('foo.js', ['*.js', '!foo.js']));
+// false
+
+console.log(mm.all('foo.js', ['*.js', 'foo.js']));
+// true
+
+console.log(mm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
+// true
+```
+
+### [.not](index.js#L340)
+
+Returns a list of strings that _**do not match any**_ of the given `patterns`.
+
+**Params**
+
+* `list` **{Array}**: Array of strings to match.
+* `patterns` **{String|Array}**: One or more glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of strings that **do not match** the given patterns.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.not(list, patterns[, options]);
+
+console.log(mm.not(['a.a', 'b.b', 'c.c'], '*.a'));
+//=> ['b.b', 'c.c']
+```
+
+### [.contains](index.js#L376)
+
+Returns true if the given `string` contains the given pattern. Similar to [.isMatch](#isMatch) but the pattern can match any part of the string.
+
+**Params**
+
+* `str` **{String}**: The string to match.
+* `patterns` **{String|Array}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if the patter matches any part of `str`.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.contains(string, pattern[, options]);
+
+console.log(mm.contains('aa/bb/cc', '*b'));
+//=> true
+console.log(mm.contains('aa/bb/cc', '*d'));
+//=> false
+```
+
+### [.matchKeys](index.js#L432)
+
+Filter the keys of the given object with the given `glob` pattern and `options`. Does not attempt to match nested keys. If you need this feature, use [glob-object](https://github.com/jonschlinkert/glob-object) instead.
+
+**Params**
+
+* `object` **{Object}**: The object with keys to filter.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Object}**: Returns an object with only keys that match the given patterns.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.matchKeys(object, patterns[, options]);
+
+var obj = { aa: 'a', ab: 'b', ac: 'c' };
+console.log(mm.matchKeys(obj, '*b'));
+//=> { ab: 'b' }
+```
+
+### [.matcher](index.js#L461)
+
+Returns a memoized matcher function from the given glob `pattern` and `options`. The returned function takes a string to match as its only argument and returns true if the string is a match.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
+* `returns` **{Function}**: Returns a matcher function.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.matcher(pattern[, options]);
+
+var isMatch = mm.matcher('*.!(*a)');
+console.log(isMatch('a.a'));
+//=> false
+console.log(isMatch('a.b'));
+//=> true
+```
+
+### [.capture](index.js#L536)
+
+Returns an array of matches captured by `pattern` in `string, or`null` if the pattern did not match.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `string` **{String}**: String to match
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.capture(pattern, string[, options]);
+
+console.log(mm.capture('test/*.js', 'test/foo.js'));
+//=> ['foo']
+console.log(mm.capture('test/*.js', 'foo/bar.css'));
+//=> null
+```
+
+### [.makeRe](index.js#L571)
+
+Create a regular expression from the given glob `pattern`.
+
+**Params**
+
+* `pattern` **{String}**: A glob pattern to convert to regex.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
+* `returns` **{RegExp}**: Returns a regex created from the given pattern.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.makeRe(pattern[, options]);
+
+console.log(mm.makeRe('*.js'));
+//=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
+```
+
+### [.braces](index.js#L618)
+
+Expand the given brace `pattern`.
+
+**Params**
+
+* `pattern` **{String}**: String with brace pattern to expand.
+* `options` **{Object}**: Any [options](#options) to change how expansion is performed. See the [braces](https://github.com/micromatch/braces) library for all available options.
+* `returns` **{Array}**
+
+**Example**
+
+```js
+var mm = require('micromatch');
+console.log(mm.braces('foo/{a,b}/bar'));
+//=> ['foo/(a|b)/bar']
+
+console.log(mm.braces('foo/{a,b}/bar', {expand: true}));
+//=> ['foo/(a|b)/bar']
+```
+
+### [.create](index.js#L685)
+
+Parses the given glob `pattern` and returns an array of abstract syntax trees (ASTs), with the compiled `output` and optional source `map` on each AST.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern to parse and compile.
+* `options` **{Object}**: Any [options](#options) to change how parsing and compiling is performed.
+* `returns` **{Object}**: Returns an object with the parsed AST, compiled string and optional source map.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.create(pattern[, options]);
+
+console.log(mm.create('abc/*.js'));
+// [{ options: { source: 'string', sourcemap: true },
+//   state: {},
+//   compilers:
+//    { ... },
+//   output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
+//   ast:
+//    { type: 'root',
+//      errors: [],
+//      nodes:
+//       [ ... ],
+//      dot: false,
+//      input: 'abc/*.js' },
+//   parsingErrors: [],
+//   map:
+//    { version: 3,
+//      sources: [ 'string' ],
+//      names: [],
+//      mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
+//      sourcesContent: [ 'abc/*.js' ] },
+//   position: { line: 1, column: 28 },
+//   content: {},
+//   files: {},
+//   idx: 6 }]
+```
+
+### [.parse](index.js#L732)
+
+Parse the given `str` with the given `options`.
+
+**Params**
+
+* `str` **{String}**
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an AST
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.parse(pattern[, options]);
+
+var ast = mm.parse('a/{b,c}/d');
+console.log(ast);
+// { type: 'root',
+//   errors: [],
+//   input: 'a/{b,c}/d',
+//   nodes:
+//    [ { type: 'bos', val: '' },
+//      { type: 'text', val: 'a/' },
+//      { type: 'brace',
+//        nodes:
+//         [ { type: 'brace.open', val: '{' },
+//           { type: 'text', val: 'b,c' },
+//           { type: 'brace.close', val: '}' } ] },
+//      { type: 'text', val: '/d' },
+//      { type: 'eos', val: '' } ] }
+```
+
+### [.compile](index.js#L780)
+
+Compile the given `ast` or string with the given `options`.
+
+**Params**
+
+* `ast` **{Object|String}**
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an object that has an `output` property with the compiled string.
+
+**Example**
+
+```js
+var mm = require('micromatch');
+mm.compile(ast[, options]);
+
+var ast = mm.parse('a/{b,c}/d');
+console.log(mm.compile(ast));
+// { options: { source: 'string' },
+//   state: {},
+//   compilers:
+//    { eos: [Function],
+//      noop: [Function],
+//      bos: [Function],
+//      brace: [Function],
+//      'brace.open': [Function],
+//      text: [Function],
+//      'brace.close': [Function] },
+//   output: [ 'a/(b|c)/d' ],
+//   ast:
+//    { ... },
+//   parsingErrors: [] }
+```
+
+### [.clearCache](index.js#L801)
+
+Clear the regex cache.
+
+**Example**
+
+```js
+mm.clearCache();
+```
+
+## Options
+
+* [basename](#optionsbasename)
+* [bash](#optionsbash)
+* [cache](#optionscache)
+* [dot](#optionsdot)
+* [failglob](#optionsfailglob)
+* [ignore](#optionsignore)
+* [matchBase](#optionsmatchBase)
+* [nobrace](#optionsnobrace)
+* [nocase](#optionsnocase)
+* [nodupes](#optionsnodupes)
+* [noext](#optionsnoext)
+* [noglobstar](#optionsnoglobstar)
+* [nonull](#optionsnonull)
+* [nullglob](#optionsnullglob)
+* [snapdragon](#optionssnapdragon)
+* [sourcemap](#optionssourcemap)
+* [unescape](#optionsunescape)
+* [unixify](#optionsunixify)
+
+### options.basename
+
+Allow glob patterns without slashes to match a file path based on its basename. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `matchBase`.
+
+**Type**: `Boolean`
+
+**Default**: `false`
+
+**Example**
+
+```js
+mm(['a/b.js', 'a/c.md'], '*.js');
+//=> []
+
+mm(['a/b.js', 'a/c.md'], '*.js', {matchBase: true});
+//=> ['a/b.js']
+```
+
+### options.bash
+
+Enabled by default, this option enforces bash-like behavior with stars immediately following a bracket expression. Bash bracket expressions are similar to regex character classes, but unlike regex, a star following a bracket expression **does not repeat the bracketed characters**. Instead, the star is treated the same as an other star.
+
+**Type**: `Boolean`
+
+**Default**: `true`
+
+**Example**
+
+```js
+var files = ['abc', 'ajz'];
+console.log(mm(files, '[a-c]*'));
+//=> ['abc', 'ajz']
+
+console.log(mm(files, '[a-c]*', {bash: false}));
+```
+
+### options.cache
+
+Disable regex and function memoization.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+### options.dot
+
+Match dotfiles. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `dot`.
+
+**Type**: `Boolean`
+
+**Default**: `false`
+
+### options.failglob
+
+Similar to the `--failglob` behavior in Bash, throws an error when no matches are found.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+### options.ignore
+
+String or array of glob patterns to match files to ignore.
+
+**Type**: `String|Array`
+
+**Default**: `undefined`
+
+### options.matchBase
+
+Alias for [options.basename](#options-basename).
+
+### options.nobrace
+
+Disable expansion of brace patterns. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `nobrace`.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+See [braces](https://github.com/micromatch/braces) for more information about extended brace expansion.
+
+### options.nocase
+
+Use a case-insensitive regex for matching files. Same behavior as [minimatch](https://github.com/isaacs/minimatch).
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+### options.nodupes
+
+Remove duplicate elements from the result array.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Example**
+
+Example of using the `unescape` and `nodupes` options together:
+
+```js
+mm.match(['a/b/c', 'a/b/c'], 'a/b/c');
+//=> ['a/b/c', 'a/b/c']
+
+mm.match(['a/b/c', 'a/b/c'], 'a/b/c', {nodupes: true});
+//=> ['abc']
+```
+
+### options.noext
+
+Disable extglob support, so that extglobs are regarded as literal characters.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Examples**
+
+```js
+mm(['a/z', 'a/b', 'a/!(z)'], 'a/!(z)');
+//=> ['a/b', 'a/!(z)']
+
+mm(['a/z', 'a/b', 'a/!(z)'], 'a/!(z)', {noext: true});
+//=> ['a/!(z)'] (matches only as literal characters)
+```
+
+### options.nonegate
+
+Disallow negation (`!`) patterns, and treat leading `!` as a literal character to match.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+### options.noglobstar
+
+Disable matching with globstars (`**`).
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+```js
+mm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**');
+//=> ['a/b', 'a/b/c', 'a/b/c/d']
+
+mm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**', {noglobstar: true});
+//=> ['a/b']
+```
+
+### options.nonull
+
+Alias for [options.nullglob](#options-nullglob).
+
+### options.nullglob
+
+If `true`, when no matches are found the actual (arrayified) glob pattern is returned instead of an empty array. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `nonull`.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+### options.snapdragon
+
+Pass your own instance of [snapdragon](https://github.com/jonschlinkert/snapdragon), to customize parsers or compilers.
+
+**Type**: `Object`
+
+**Default**: `undefined`
+
+### options.sourcemap
+
+Generate a source map by enabling the `sourcemap` option with the `.parse`, `.compile`, or `.create` methods.
+
+_(Note that sourcemaps are currently not enabled for brace patterns)_
+
+**Examples**
+
+``` js
+var mm = require('micromatch');
+var pattern = '*(*(of*(a)x)z)';
+
+var res = mm.create('abc/*.js', {sourcemap: true});
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'string' ],
+//   names: [],
+//   mappings: 'AAAA,GAAG,EAAC,iBAAC,EAAC,EAAE',
+//   sourcesContent: [ 'abc/*.js' ] }
+
+var ast = mm.parse('abc/**/*.js');
+var res = mm.compile(ast, {sourcemap: true});
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'string' ],
+//   names: [],
+//   mappings: 'AAAA,GAAG,EAAC,2BAAE,EAAC,iBAAC,EAAC,EAAE',
+//   sourcesContent: [ 'abc/**/*.js' ] }
+
+var ast = mm.parse(pattern);
+var res = mm.compile(ast, {sourcemap: true});
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'string' ],
+//   names: [],
+//   mappings: 'AAAA,CAAE,CAAE,EAAE,CAAE,CAAC,EAAC,CAAC,EAAC,CAAC,EAAC',
+//   sourcesContent: [ '*(*(of*(a)x)z)' ] }
+```
+
+### options.unescape
+
+Remove backslashes from returned matches.
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+**Example**
+
+In this example we want to match a literal `*`:
+
+```js
+mm.match(['abc', 'a\\*c'], 'a\\*c');
+//=> ['a\\*c']
+
+mm.match(['abc', 'a\\*c'], 'a\\*c', {unescape: true});
+//=> ['a*c']
+```
+
+### options.unixify
+
+Convert path separators on returned files to posix/unix-style forward slashes.
+
+**Type**: `Boolean`
+
+**Default**: `true` on windows, `false` everywhere else
+
+**Example**
+
+```js
+mm.match(['a\\b\\c'], 'a/**');
+//=> ['a/b/c']
+
+mm.match(['a\\b\\c'], {unixify: false});
+//=> ['a\\b\\c']
+```
+
+## Extended globbing
+
+Micromatch also supports extended globbing features.
+
+### extglobs
+
+Extended globbing, as described by the bash man page:
+
+| **pattern** | **regex equivalent** | **description** | 
+| --- | --- | --- |
+| `?(pattern)` | `(pattern)?` | Matches zero or one occurrence of the given patterns |
+| `*(pattern)` | `(pattern)*` | Matches zero or more occurrences of the given patterns |
+| `+(pattern)` | `(pattern)+` | Matches one or more occurrences of the given patterns |
+| `@(pattern)` | `(pattern)` <sup>*</sup> | Matches one of the given patterns |
+| `!(pattern)` | N/A (equivalent regex is much more complicated) | Matches anything except one of the given patterns |
+
+<sup><strong>*</strong></sup> Note that `@` isn't a RegEx character.
+
+Powered by [extglob](https://github.com/micromatch/extglob). Visit that library for the full range of options or to report extglob related issues.
+
+### braces
+
+Brace patterns can be used to match specific ranges or sets of characters. For example, the pattern `*/{1..3}/*` would match any of following strings:
+
+```
+foo/1/bar
+foo/2/bar
+foo/3/bar
+baz/1/qux
+baz/2/qux
+baz/3/qux
+```
+
+Visit [braces](https://github.com/micromatch/braces) to see the full range of features and options related to brace expansion, or to create brace matching or expansion related issues.
+
+### regex character classes
+
+Given the list: `['a.js', 'b.js', 'c.js', 'd.js', 'E.js']`:
+
+* `[ac].js`: matches both `a` and `c`, returning `['a.js', 'c.js']`
+* `[b-d].js`: matches from `b` to `d`, returning `['b.js', 'c.js', 'd.js']`
+* `[b-d].js`: matches from `b` to `d`, returning `['b.js', 'c.js', 'd.js']`
+* `a/[A-Z].js`: matches and uppercase letter, returning `['a/E.md']`
+
+Learn about [regex character classes](http://www.regular-expressions.info/charclass.html).
+
+### regex groups
+
+Given `['a.js', 'b.js', 'c.js', 'd.js', 'E.js']`:
+
+* `(a|c).js`: would match either `a` or `c`, returning `['a.js', 'c.js']`
+* `(b|d).js`: would match either `b` or `d`, returning `['b.js', 'd.js']`
+* `(b|[A-Z]).js`: would match either `b` or an uppercase letter, returning `['b.js', 'E.js']`
+
+As with regex, parens can be nested, so patterns like `((a|b)|c)/b` will work. Although brace expansion might be friendlier to use, depending on preference.
+
+### POSIX bracket expressions
+
+POSIX brackets are intended to be more user-friendly than regex character classes. This of course is in the eye of the beholder.
+
+**Example**
+
+```js
+mm.isMatch('a1', '[[:alpha:][:digit:]]');
+//=> true
+
+mm.isMatch('a1', '[[:alpha:][:alpha:]]');
+//=> false
+```
+
+See [expand-brackets](https://github.com/jonschlinkert/expand-brackets) for more information about bracket expressions.
+
+***
+
+## Notes
+
+### Bash 4.3 parity
+
+Whenever possible matching behavior is based on behavior Bash 4.3, which is mostly consistent with minimatch.
+
+However, it's suprising how many edge cases and rabbit holes there are with glob matching, and since there is no real glob specification, and micromatch is more accurate than both Bash and minimatch, there are cases where best-guesses were made for behavior. In a few cases where Bash had no answers, we used wildmatch (used by git) as a fallback.
+
+### Backslashes
+
+There is an important, notable difference between minimatch and micromatch _in regards to how backslashes are handled_ in glob patterns.
+
+* Micromatch exclusively and explicitly reserves backslashes for escaping characters in a glob pattern, even on windows. This is consistent with bash behavior.
+* Minimatch converts all backslashes to forward slashes, which means you can't use backslashes to escape any characters in your glob patterns.
+
+We made this decision for micromatch for a couple of reasons:
+
+* consistency with bash conventions.
+* glob patterns are not filepaths. They are a type of [regular language](https://en.wikipedia.org/wiki/Regular_language) that is converted to a JavaScript regular expression. Thus, when forward slashes are defined in a glob pattern, the resulting regular expression will match windows or POSIX path separators just fine.
+
+**A note about joining paths to globs**
+
+Note that when you pass something like `path.join('foo', '*')` to micromatch, you are creating a filepath and expecting it to still work as a glob pattern. This causes problems on windows, since the `path.sep` is `\\`.
+
+In other words, since `\\` is reserved as an escape character in globs, on windows `path.join('foo', '*')` would result in `foo\\*`, which tells micromatch to match `*` as a literal character. This is the same behavior as bash.
+
+## Contributing
+
+All contributions are welcome! Please read [the contributing guide](.github/contributing.md) to get started.
+
+**Bug reports**
+
+Please create an issue if you encounter a bug or matching behavior that doesn't seem correct. If you find a matching-related issue, please:
+
+* [research existing issues first](../../issues) (open and closed)
+* visit the [GNU Bash documentation](https://www.gnu.org/software/bash/manual/) to see how Bash deals with the pattern
+* visit the [minimatch](https://github.com/isaacs/minimatch) documentation to cross-check expected behavior in node.js
+* if all else fails, since there is no real specification for globs we will probably need to discuss expected behavior and decide how to resolve it. which means any detail you can provide to help with this discussion would be greatly appreciated.
+
+**Platform issues**
+
+It's important to us that micromatch work consistently on all platforms. If you encounter any platform-specific matching or path related issues, please let us know (pull requests are also greatly appreciated).
+
+## Benchmarks
+
+### Running benchmarks
+
+Install dev dependencies:
+
+```bash
+npm i -d && npm run benchmark
+```
+
+### Latest results
+
+As of February 18, 2018 (longer bars are better):
+
+```sh
+# braces-globstar-large-list (485691 bytes)
+  micromatch ██████████████████████████████████████████████████ (517 ops/sec ±0.49%)
+  minimatch  █ (18.92 ops/sec ±0.54%)
+  multimatch █ (18.94 ops/sec ±0.62%)
+
+  micromatch is faster by an avg. of 2,733%
+
+# braces-multiple (3362 bytes)
+  micromatch ██████████████████████████████████████████████████ (33,625 ops/sec ±0.45%)
+  minimatch   (2.92 ops/sec ±3.26%)
+  multimatch  (2.90 ops/sec ±2.76%)
+
+  micromatch is faster by an avg. of 1,156,935%
+
+# braces-range (727 bytes)
+  micromatch █████████████████████████████████████████████████ (155,220 ops/sec ±0.56%)
+  minimatch  ██████ (20,186 ops/sec ±1.27%)
+  multimatch ██████ (19,809 ops/sec ±0.60%)
+
+  micromatch is faster by an avg. of 776%
+
+# braces-set (2858 bytes)
+  micromatch █████████████████████████████████████████████████ (24,354 ops/sec ±0.92%)
+  minimatch  █████ (2,566 ops/sec ±0.56%)
+  multimatch ████ (2,431 ops/sec ±1.25%)
+
+  micromatch is faster by an avg. of 975%
+
+# globstar-large-list (485686 bytes)
+  micromatch █████████████████████████████████████████████████ (504 ops/sec ±0.45%)
+  minimatch  ███ (33.36 ops/sec ±1.08%)
+  multimatch ███ (33.19 ops/sec ±1.35%)
+
+  micromatch is faster by an avg. of 1,514%
+
+# globstar-long-list (90647 bytes)
+  micromatch ██████████████████████████████████████████████████ (2,694 ops/sec ±1.08%)
+  minimatch  ████████████████ (870 ops/sec ±1.09%)
+  multimatch ████████████████ (862 ops/sec ±0.84%)
+
+  micromatch is faster by an avg. of 311%
+
+# globstar-short-list (182 bytes)
+  micromatch ██████████████████████████████████████████████████ (328,921 ops/sec ±1.06%)
+  minimatch  █████████ (64,808 ops/sec ±1.42%)
+  multimatch ████████ (57,991 ops/sec ±2.11%)
+
+  micromatch is faster by an avg. of 536%
+
+# no-glob (701 bytes)
+  micromatch █████████████████████████████████████████████████ (415,935 ops/sec ±0.36%)
+  minimatch  ███████████ (92,730 ops/sec ±1.44%)
+  multimatch █████████ (81,958 ops/sec ±2.13%)
+
+  micromatch is faster by an avg. of 476%
+
+# star-basename-long (12339 bytes)
+  micromatch █████████████████████████████████████████████████ (7,963 ops/sec ±0.36%)
+  minimatch  ███████████████████████████████ (5,072 ops/sec ±0.83%)
+  multimatch ███████████████████████████████ (5,028 ops/sec ±0.40%)
+
+  micromatch is faster by an avg. of 158%
+
+# star-basename-short (349 bytes)
+  micromatch ██████████████████████████████████████████████████ (269,552 ops/sec ±0.70%)
+  minimatch  ██████████████████████ (122,457 ops/sec ±1.39%)
+  multimatch ████████████████████ (110,788 ops/sec ±1.99%)
+
+  micromatch is faster by an avg. of 231%
+
+# star-folder-long (19207 bytes)
+  micromatch █████████████████████████████████████████████████ (3,806 ops/sec ±0.38%)
+  minimatch  ████████████████████████████ (2,204 ops/sec ±0.32%)
+  multimatch ██████████████████████████ (2,020 ops/sec ±1.07%)
+
+  micromatch is faster by an avg. of 180%
+
+# star-folder-short (551 bytes)
+  micromatch ██████████████████████████████████████████████████ (249,077 ops/sec ±0.40%)
+  minimatch  ███████████ (59,431 ops/sec ±1.67%)
+  multimatch ███████████ (55,569 ops/sec ±1.43%)
+
+  micromatch is faster by an avg. of 433%
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [braces](https://www.npmjs.com/package/braces): Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support… [more](https://github.com/micromatch/braces) | [homepage](https://github.com/micromatch/braces "Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.")
+* [expand-brackets](https://www.npmjs.com/package/expand-brackets): Expand POSIX bracket expressions (character classes) in glob patterns. | [homepage](https://github.com/jonschlinkert/expand-brackets "Expand POSIX bracket expressions (character classes) in glob patterns.")
+* [extglob](https://www.npmjs.com/package/extglob): Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob… [more](https://github.com/micromatch/extglob) | [homepage](https://github.com/micromatch/extglob "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.")
+* [fill-range](https://www.npmjs.com/package/fill-range): Fill in a range of numbers or letters, optionally passing an increment or `step` to… [more](https://github.com/jonschlinkert/fill-range) | [homepage](https://github.com/jonschlinkert/fill-range "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`")
+* [nanomatch](https://www.npmjs.com/package/nanomatch): Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash… [more](https://github.com/micromatch/nanomatch) | [homepage](https://github.com/micromatch/nanomatch "Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 457 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 12 | [es128](https://github.com/es128) |
+| 8 | [doowb](https://github.com/doowb) |
+| 3 | [paulmillr](https://github.com/paulmillr) |
+| 2 | [TrySound](https://github.com/TrySound) |
+| 2 | [MartinKolarik](https://github.com/MartinKolarik) |
+| 2 | [charlike-old](https://github.com/charlike-old) |
+| 1 | [amilajack](https://github.com/amilajack) |
+| 1 | [mrmlnc](https://github.com/mrmlnc) |
+| 1 | [devongovett](https://github.com/devongovett) |
+| 1 | [DianeLooney](https://github.com/DianeLooney) |
+| 1 | [UltCombo](https://github.com/UltCombo) |
+| 1 | [tomByrer](https://github.com/tomByrer) |
+| 1 | [fidian](https://github.com/fidian) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 18, 2018._
\ No newline at end of file
diff --git a/node_modules/micromatch/index.js b/node_modules/micromatch/index.js
new file mode 100644
index 00000000..fe02f2cb
--- /dev/null
+++ b/node_modules/micromatch/index.js
@@ -0,0 +1,877 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var util = require('util');
+var braces = require('braces');
+var toRegex = require('to-regex');
+var extend = require('extend-shallow');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var cache = require('./lib/cache');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * The main function takes a list of strings and one or more
+ * glob patterns to use for matching.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm(list, patterns[, options]);
+ *
+ * console.log(mm(['a.js', 'a.txt'], ['*.js']));
+ * //=> [ 'a.js' ]
+ * ```
+ * @param {Array} `list` A list of strings to match
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @summary false
+ * @api public
+ */
+
+function micromatch(list, patterns, options) {
+  patterns = utils.arrayify(patterns);
+  list = utils.arrayify(list);
+
+  var len = patterns.length;
+  if (list.length === 0 || len === 0) {
+    return [];
+  }
+
+  if (len === 1) {
+    return micromatch.match(list, patterns[0], options);
+  }
+
+  var omit = [];
+  var keep = [];
+  var idx = -1;
+
+  while (++idx < len) {
+    var pattern = patterns[idx];
+
+    if (typeof pattern === 'string' && pattern.charCodeAt(0) === 33 /* ! */) {
+      omit.push.apply(omit, micromatch.match(list, pattern.slice(1), options));
+    } else {
+      keep.push.apply(keep, micromatch.match(list, pattern, options));
+    }
+  }
+
+  var matches = utils.diff(keep, omit);
+  if (!options || options.nodupes !== false) {
+    return utils.unique(matches);
+  }
+
+  return matches;
+}
+
+/**
+ * Similar to the main function, but `pattern` must be a string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.match(list, pattern[, options]);
+ *
+ * console.log(mm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
+ * //=> ['a.a', 'a.aa']
+ * ```
+ * @param {Array} `list` Array of strings to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @api public
+ */
+
+micromatch.match = function(list, pattern, options) {
+  if (Array.isArray(pattern)) {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  var unixify = utils.unixify(options);
+  var isMatch = memoize('match', pattern, options, micromatch.matcher);
+  var matches = [];
+
+  list = utils.arrayify(list);
+  var len = list.length;
+  var idx = -1;
+
+  while (++idx < len) {
+    var ele = list[idx];
+    if (ele === pattern || isMatch(ele)) {
+      matches.push(utils.value(ele, unixify, options));
+    }
+  }
+
+  // if no options were passed, uniquify results and return
+  if (typeof options === 'undefined') {
+    return utils.unique(matches);
+  }
+
+  if (matches.length === 0) {
+    if (options.failglob === true) {
+      throw new Error('no matches found for "' + pattern + '"');
+    }
+    if (options.nonull === true || options.nullglob === true) {
+      return [options.unescape ? utils.unescape(pattern) : pattern];
+    }
+  }
+
+  // if `opts.ignore` was defined, diff ignored list
+  if (options.ignore) {
+    matches = micromatch.not(matches, options.ignore, options);
+  }
+
+  return options.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the specified `string` matches the given glob `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.isMatch(string, pattern[, options]);
+ *
+ * console.log(mm.isMatch('a.a', '*.a'));
+ * //=> true
+ * console.log(mm.isMatch('a.b', '*.a'));
+ * //=> false
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the string matches the glob pattern.
+ * @api public
+ */
+
+micromatch.isMatch = function(str, pattern, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (isEmptyString(str) || isEmptyString(pattern)) {
+    return false;
+  }
+
+  var equals = utils.equalsPattern(options);
+  if (equals(str)) {
+    return true;
+  }
+
+  var isMatch = memoize('isMatch', pattern, options, micromatch.matcher);
+  return isMatch(str);
+};
+
+/**
+ * Returns true if some of the strings in the given `list` match any of the
+ * given glob `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.some(list, patterns[, options]);
+ *
+ * console.log(mm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // true
+ * console.log(mm.some(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param  {String|Array} `list` The string or array of strings to test. Returns as soon as the first match is found.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.some = function(list, patterns, options) {
+  if (typeof list === 'string') {
+    list = [list];
+  }
+  for (var i = 0; i < list.length; i++) {
+    if (micromatch(list[i], patterns, options).length === 1) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Returns true if every string in the given `list` matches
+ * any of the given glob `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.every(list, patterns[, options]);
+ *
+ * console.log(mm.every('foo.js', ['foo.js']));
+ * // true
+ * console.log(mm.every(['foo.js', 'bar.js'], ['*.js']));
+ * // true
+ * console.log(mm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // false
+ * console.log(mm.every(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param  {String|Array} `list` The string or array of strings to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.every = function(list, patterns, options) {
+  if (typeof list === 'string') {
+    list = [list];
+  }
+  for (var i = 0; i < list.length; i++) {
+    if (micromatch(list[i], patterns, options).length !== 1) {
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns`
+ * match the specified `string`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.any(string, patterns[, options]);
+ *
+ * console.log(mm.any('a.a', ['b.*', '*.a']));
+ * //=> true
+ * console.log(mm.any('a.a', 'b.*'));
+ * //=> false
+ * ```
+ * @param  {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.any = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (isEmptyString(str) || isEmptyString(patterns)) {
+    return false;
+  }
+
+  if (typeof patterns === 'string') {
+    patterns = [patterns];
+  }
+
+  for (var i = 0; i < patterns.length; i++) {
+    if (micromatch.isMatch(str, patterns[i], options)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Returns true if **all** of the given `patterns` match
+ * the specified string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.all(string, patterns[, options]);
+ *
+ * console.log(mm.all('foo.js', ['foo.js']));
+ * // true
+ *
+ * console.log(mm.all('foo.js', ['*.js', '!foo.js']));
+ * // false
+ *
+ * console.log(mm.all('foo.js', ['*.js', 'foo.js']));
+ * // true
+ *
+ * console.log(mm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
+ * // true
+ * ```
+ * @param  {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.all = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+  if (typeof patterns === 'string') {
+    patterns = [patterns];
+  }
+  for (var i = 0; i < patterns.length; i++) {
+    if (!micromatch.isMatch(str, patterns[i], options)) {
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Returns a list of strings that _**do not match any**_ of the given `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.not(list, patterns[, options]);
+ *
+ * console.log(mm.not(['a.a', 'b.b', 'c.c'], '*.a'));
+ * //=> ['b.b', 'c.c']
+ * ```
+ * @param {Array} `list` Array of strings to match.
+ * @param {String|Array} `patterns` One or more glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of strings that **do not match** the given patterns.
+ * @api public
+ */
+
+micromatch.not = function(list, patterns, options) {
+  var opts = extend({}, options);
+  var ignore = opts.ignore;
+  delete opts.ignore;
+
+  var unixify = utils.unixify(opts);
+  list = utils.arrayify(list).map(unixify);
+
+  var matches = utils.diff(list, micromatch(list, patterns, opts));
+  if (ignore) {
+    matches = utils.diff(matches, micromatch(list, ignore));
+  }
+
+  return opts.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the given `string` contains the given pattern. Similar
+ * to [.isMatch](#isMatch) but the pattern can match any part of the string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.contains(string, pattern[, options]);
+ *
+ * console.log(mm.contains('aa/bb/cc', '*b'));
+ * //=> true
+ * console.log(mm.contains('aa/bb/cc', '*d'));
+ * //=> false
+ * ```
+ * @param {String} `str` The string to match.
+ * @param {String|Array} `patterns` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the patter matches any part of `str`.
+ * @api public
+ */
+
+micromatch.contains = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (typeof patterns === 'string') {
+    if (isEmptyString(str) || isEmptyString(patterns)) {
+      return false;
+    }
+
+    var equals = utils.equalsPattern(patterns, options);
+    if (equals(str)) {
+      return true;
+    }
+    var contains = utils.containsPattern(patterns, options);
+    if (contains(str)) {
+      return true;
+    }
+  }
+
+  var opts = extend({}, options, {contains: true});
+  return micromatch.any(str, patterns, opts);
+};
+
+/**
+ * Returns true if the given pattern and options should enable
+ * the `matchBase` option.
+ * @return {Boolean}
+ * @api private
+ */
+
+micromatch.matchBase = function(pattern, options) {
+  if (pattern && pattern.indexOf('/') !== -1 || !options) return false;
+  return options.basename === true || options.matchBase === true;
+};
+
+/**
+ * Filter the keys of the given object with the given `glob` pattern
+ * and `options`. Does not attempt to match nested keys. If you need this feature,
+ * use [glob-object][] instead.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.matchKeys(object, patterns[, options]);
+ *
+ * var obj = { aa: 'a', ab: 'b', ac: 'c' };
+ * console.log(mm.matchKeys(obj, '*b'));
+ * //=> { ab: 'b' }
+ * ```
+ * @param {Object} `object` The object with keys to filter.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Object} Returns an object with only keys that match the given patterns.
+ * @api public
+ */
+
+micromatch.matchKeys = function(obj, patterns, options) {
+  if (!utils.isObject(obj)) {
+    throw new TypeError('expected the first argument to be an object');
+  }
+  var keys = micromatch(Object.keys(obj), patterns, options);
+  return utils.pick(obj, keys);
+};
+
+/**
+ * Returns a memoized matcher function from the given glob `pattern` and `options`.
+ * The returned function takes a string to match as its only argument and returns
+ * true if the string is a match.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.matcher(pattern[, options]);
+ *
+ * var isMatch = mm.matcher('*.!(*a)');
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.b'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Glob pattern
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {Function} Returns a matcher function.
+ * @api public
+ */
+
+micromatch.matcher = function matcher(pattern, options) {
+  if (Array.isArray(pattern)) {
+    return compose(pattern, options, matcher);
+  }
+
+  // if pattern is a regex
+  if (pattern instanceof RegExp) {
+    return test(pattern);
+  }
+
+  // if pattern is invalid
+  if (!utils.isString(pattern)) {
+    throw new TypeError('expected pattern to be an array, string or regex');
+  }
+
+  // if pattern is a non-glob string
+  if (!utils.hasSpecialChars(pattern)) {
+    if (options && options.nocase === true) {
+      pattern = pattern.toLowerCase();
+    }
+    return utils.matchPath(pattern, options);
+  }
+
+  // if pattern is a glob string
+  var re = micromatch.makeRe(pattern, options);
+
+  // if `options.matchBase` or `options.basename` is defined
+  if (micromatch.matchBase(pattern, options)) {
+    return utils.matchBasename(re, options);
+  }
+
+  function test(regex) {
+    var equals = utils.equalsPattern(options);
+    var unixify = utils.unixify(options);
+
+    return function(str) {
+      if (equals(str)) {
+        return true;
+      }
+
+      if (regex.test(unixify(str))) {
+        return true;
+      }
+      return false;
+    };
+  }
+
+  var fn = test(re);
+  Object.defineProperty(fn, 'result', {
+    configurable: true,
+    enumerable: false,
+    value: re.result
+  });
+  return fn;
+};
+
+/**
+ * Returns an array of matches captured by `pattern` in `string, or `null` if the pattern did not match.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.capture(pattern, string[, options]);
+ *
+ * console.log(mm.capture('test/*.js', 'test/foo.js'));
+ * //=> ['foo']
+ * console.log(mm.capture('test/*.js', 'foo/bar.css'));
+ * //=> null
+ * ```
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {String} `string` String to match
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+ * @api public
+ */
+
+micromatch.capture = function(pattern, str, options) {
+  var re = micromatch.makeRe(pattern, extend({capture: true}, options));
+  var unixify = utils.unixify(options);
+
+  function match() {
+    return function(string) {
+      var match = re.exec(unixify(string));
+      if (!match) {
+        return null;
+      }
+
+      return match.slice(1);
+    };
+  }
+
+  var capture = memoize('capture', pattern, options, match);
+  return capture(str);
+};
+
+/**
+ * Create a regular expression from the given glob `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.makeRe(pattern[, options]);
+ *
+ * console.log(mm.makeRe('*.js'));
+ * //=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
+ * ```
+ * @param {String} `pattern` A glob pattern to convert to regex.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+micromatch.makeRe = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  if (pattern.length > MAX_LENGTH) {
+    throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
+  }
+
+  function makeRe() {
+    var result = micromatch.create(pattern, options);
+    var ast_array = [];
+    var output = result.map(function(obj) {
+      obj.ast.state = obj.state;
+      ast_array.push(obj.ast);
+      return obj.output;
+    });
+
+    var regex = toRegex(output.join('|'), options);
+    Object.defineProperty(regex, 'result', {
+      configurable: true,
+      enumerable: false,
+      value: ast_array
+    });
+    return regex;
+  }
+
+  return memoize('makeRe', pattern, options, makeRe);
+};
+
+/**
+ * Expand the given brace `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * console.log(mm.braces('foo/{a,b}/bar'));
+ * //=> ['foo/(a|b)/bar']
+ *
+ * console.log(mm.braces('foo/{a,b}/bar', {expand: true}));
+ * //=> ['foo/(a|b)/bar']
+ * ```
+ * @param {String} `pattern` String with brace pattern to expand.
+ * @param {Object} `options` Any [options](#options) to change how expansion is performed. See the [braces][] library for all available options.
+ * @return {Array}
+ * @api public
+ */
+
+micromatch.braces = function(pattern, options) {
+  if (typeof pattern !== 'string' && !Array.isArray(pattern)) {
+    throw new TypeError('expected pattern to be an array or string');
+  }
+
+  function expand() {
+    if (options && options.nobrace === true || !/\{.*\}/.test(pattern)) {
+      return utils.arrayify(pattern);
+    }
+    return braces(pattern, options);
+  }
+
+  return memoize('braces', pattern, options, expand);
+};
+
+/**
+ * Proxy to the [micromatch.braces](#method), for parity with
+ * minimatch.
+ */
+
+micromatch.braceExpand = function(pattern, options) {
+  var opts = extend({}, options, {expand: true});
+  return micromatch.braces(pattern, opts);
+};
+
+/**
+ * Parses the given glob `pattern` and returns an array of abstract syntax
+ * trees (ASTs), with the compiled `output` and optional source `map` on
+ * each AST.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.create(pattern[, options]);
+ *
+ * console.log(mm.create('abc/*.js'));
+ * // [{ options: { source: 'string', sourcemap: true },
+ * //   state: {},
+ * //   compilers:
+ * //    { ... },
+ * //   output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
+ * //   ast:
+ * //    { type: 'root',
+ * //      errors: [],
+ * //      nodes:
+ * //       [ ... ],
+ * //      dot: false,
+ * //      input: 'abc/*.js' },
+ * //   parsingErrors: [],
+ * //   map:
+ * //    { version: 3,
+ * //      sources: [ 'string' ],
+ * //      names: [],
+ * //      mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
+ * //      sourcesContent: [ 'abc/*.js' ] },
+ * //   position: { line: 1, column: 28 },
+ * //   content: {},
+ * //   files: {},
+ * //   idx: 6 }]
+ * ```
+ * @param {String} `pattern` Glob pattern to parse and compile.
+ * @param {Object} `options` Any [options](#options) to change how parsing and compiling is performed.
+ * @return {Object} Returns an object with the parsed AST, compiled string and optional source map.
+ * @api public
+ */
+
+micromatch.create = function(pattern, options) {
+  return memoize('create', pattern, options, function() {
+    function create(str, opts) {
+      return micromatch.compile(micromatch.parse(str, opts), opts);
+    }
+
+    pattern = micromatch.braces(pattern, options);
+    var len = pattern.length;
+    var idx = -1;
+    var res = [];
+
+    while (++idx < len) {
+      res.push(create(pattern[idx], options));
+    }
+    return res;
+  });
+};
+
+/**
+ * Parse the given `str` with the given `options`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.parse(pattern[, options]);
+ *
+ * var ast = mm.parse('a/{b,c}/d');
+ * console.log(ast);
+ * // { type: 'root',
+ * //   errors: [],
+ * //   input: 'a/{b,c}/d',
+ * //   nodes:
+ * //    [ { type: 'bos', val: '' },
+ * //      { type: 'text', val: 'a/' },
+ * //      { type: 'brace',
+ * //        nodes:
+ * //         [ { type: 'brace.open', val: '{' },
+ * //           { type: 'text', val: 'b,c' },
+ * //           { type: 'brace.close', val: '}' } ] },
+ * //      { type: 'text', val: '/d' },
+ * //      { type: 'eos', val: '' } ] }
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object} Returns an AST
+ * @api public
+ */
+
+micromatch.parse = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  function parse() {
+    var snapdragon = utils.instantiate(null, options);
+    parsers(snapdragon, options);
+
+    var ast = snapdragon.parse(pattern, options);
+    utils.define(ast, 'snapdragon', snapdragon);
+    ast.input = pattern;
+    return ast;
+  }
+
+  return memoize('parse', pattern, options, parse);
+};
+
+/**
+ * Compile the given `ast` or string with the given `options`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.compile(ast[, options]);
+ *
+ * var ast = mm.parse('a/{b,c}/d');
+ * console.log(mm.compile(ast));
+ * // { options: { source: 'string' },
+ * //   state: {},
+ * //   compilers:
+ * //    { eos: [Function],
+ * //      noop: [Function],
+ * //      bos: [Function],
+ * //      brace: [Function],
+ * //      'brace.open': [Function],
+ * //      text: [Function],
+ * //      'brace.close': [Function] },
+ * //   output: [ 'a/(b|c)/d' ],
+ * //   ast:
+ * //    { ... },
+ * //   parsingErrors: [] }
+ * ```
+ * @param {Object|String} `ast`
+ * @param {Object} `options`
+ * @return {Object} Returns an object that has an `output` property with the compiled string.
+ * @api public
+ */
+
+micromatch.compile = function(ast, options) {
+  if (typeof ast === 'string') {
+    ast = micromatch.parse(ast, options);
+  }
+
+  return memoize('compile', ast.input, options, function() {
+    var snapdragon = utils.instantiate(ast, options);
+    compilers(snapdragon, options);
+    return snapdragon.compile(ast, options);
+  });
+};
+
+/**
+ * Clear the regex cache.
+ *
+ * ```js
+ * mm.clearCache();
+ * ```
+ * @api public
+ */
+
+micromatch.clearCache = function() {
+  micromatch.cache.caches = {};
+};
+
+/**
+ * Returns true if the given value is effectively an empty string
+ */
+
+function isEmptyString(val) {
+  return String(val) === '' || String(val) === './';
+}
+
+/**
+ * Compose a matcher function with the given patterns.
+ * This allows matcher functions to be compiled once and
+ * called multiple times.
+ */
+
+function compose(patterns, options, matcher) {
+  var matchers;
+
+  return memoize('compose', String(patterns), options, function() {
+    return function(file) {
+      // delay composition until it's invoked the first time,
+      // after that it won't be called again
+      if (!matchers) {
+        matchers = [];
+        for (var i = 0; i < patterns.length; i++) {
+          matchers.push(matcher(patterns[i], options));
+        }
+      }
+
+      var len = matchers.length;
+      while (len--) {
+        if (matchers[len](file) === true) {
+          return true;
+        }
+      }
+      return false;
+    };
+  });
+}
+
+/**
+ * Memoize a generated regex or function. A unique key is generated
+ * from the `type` (usually method name), the `pattern`, and
+ * user-defined options.
+ */
+
+function memoize(type, pattern, options, fn) {
+  var key = utils.createKey(type + '=' + pattern, options);
+
+  if (options && options.cache === false) {
+    return fn(pattern, options);
+  }
+
+  if (cache.has(type, key)) {
+    return cache.get(type, key);
+  }
+
+  var val = fn(pattern, options);
+  cache.set(type, key, val);
+  return val;
+}
+
+/**
+ * Expose compiler, parser and cache on `micromatch`
+ */
+
+micromatch.compilers = compilers;
+micromatch.parsers = parsers;
+micromatch.caches = cache.caches;
+
+/**
+ * Expose `micromatch`
+ * @type {Function}
+ */
+
+module.exports = micromatch;
diff --git a/node_modules/micromatch/lib/.DS_Store b/node_modules/micromatch/lib/.DS_Store
new file mode 100644
index 00000000..5008ddfc
Binary files /dev/null and b/node_modules/micromatch/lib/.DS_Store differ
diff --git a/node_modules/micromatch/lib/cache.js b/node_modules/micromatch/lib/cache.js
new file mode 100644
index 00000000..fffc4c17
--- /dev/null
+++ b/node_modules/micromatch/lib/cache.js
@@ -0,0 +1 @@
+module.exports = new (require('fragment-cache'))();
diff --git a/node_modules/micromatch/lib/compilers.js b/node_modules/micromatch/lib/compilers.js
new file mode 100644
index 00000000..85cda4f8
--- /dev/null
+++ b/node_modules/micromatch/lib/compilers.js
@@ -0,0 +1,77 @@
+'use strict';
+
+var nanomatch = require('nanomatch');
+var extglob = require('extglob');
+
+module.exports = function(snapdragon) {
+  var compilers = snapdragon.compiler.compilers;
+  var opts = snapdragon.options;
+
+  // register nanomatch compilers
+  snapdragon.use(nanomatch.compilers);
+
+  // get references to some specific nanomatch compilers before they
+  // are overridden by the extglob and/or custom compilers
+  var escape = compilers.escape;
+  var qmark = compilers.qmark;
+  var slash = compilers.slash;
+  var star = compilers.star;
+  var text = compilers.text;
+  var plus = compilers.plus;
+  var dot = compilers.dot;
+
+  // register extglob compilers or escape exglobs if disabled
+  if (opts.extglob === false || opts.noext === true) {
+    snapdragon.compiler.use(escapeExtglobs);
+  } else {
+    snapdragon.use(extglob.compilers);
+  }
+
+  snapdragon.use(function() {
+    this.options.star = this.options.star || function(/*node*/) {
+      return '[^\\\\/]*?';
+    };
+  });
+
+  // custom micromatch compilers
+  snapdragon.compiler
+
+    // reset referenced compiler
+    .set('dot', dot)
+    .set('escape', escape)
+    .set('plus', plus)
+    .set('slash', slash)
+    .set('qmark', qmark)
+    .set('star', star)
+    .set('text', text);
+};
+
+function escapeExtglobs(compiler) {
+  compiler.set('paren', function(node) {
+    var val = '';
+    visit(node, function(tok) {
+      if (tok.val) val += (/^\W/.test(tok.val) ? '\\' : '') + tok.val;
+    });
+    return this.emit(val, node);
+  });
+
+  /**
+   * Visit `node` with the given `fn`
+   */
+
+  function visit(node, fn) {
+    return node.nodes ? mapVisit(node.nodes, fn) : fn(node);
+  }
+
+  /**
+   * Map visit over array of `nodes`.
+   */
+
+  function mapVisit(nodes, fn) {
+    var len = nodes.length;
+    var idx = -1;
+    while (++idx < len) {
+      visit(nodes[idx], fn);
+    }
+  }
+}
diff --git a/node_modules/micromatch/lib/parsers.js b/node_modules/micromatch/lib/parsers.js
new file mode 100644
index 00000000..f80498ce
--- /dev/null
+++ b/node_modules/micromatch/lib/parsers.js
@@ -0,0 +1,83 @@
+'use strict';
+
+var extglob = require('extglob');
+var nanomatch = require('nanomatch');
+var regexNot = require('regex-not');
+var toRegex = require('to-regex');
+var not;
+
+/**
+ * Characters to use in negation regex (we want to "not" match
+ * characters that are matched by other parsers)
+ */
+
+var TEXT = '([!@*?+]?\\(|\\)|\\[:?(?=.*?:?\\])|:?\\]|[*+?!^$.\\\\/])+';
+var createNotRegex = function(opts) {
+  return not || (not = textRegex(TEXT));
+};
+
+/**
+ * Parsers
+ */
+
+module.exports = function(snapdragon) {
+  var parsers = snapdragon.parser.parsers;
+
+  // register nanomatch parsers
+  snapdragon.use(nanomatch.parsers);
+
+  // get references to some specific nanomatch parsers before they
+  // are overridden by the extglob and/or parsers
+  var escape = parsers.escape;
+  var slash = parsers.slash;
+  var qmark = parsers.qmark;
+  var plus = parsers.plus;
+  var star = parsers.star;
+  var dot = parsers.dot;
+
+  // register extglob parsers
+  snapdragon.use(extglob.parsers);
+
+  // custom micromatch parsers
+  snapdragon.parser
+    .use(function() {
+      // override "notRegex" created in nanomatch parser
+      this.notRegex = /^\!+(?!\()/;
+    })
+    // reset the referenced parsers
+    .capture('escape', escape)
+    .capture('slash', slash)
+    .capture('qmark', qmark)
+    .capture('star', star)
+    .capture('plus', plus)
+    .capture('dot', dot)
+
+    /**
+     * Override `text` parser
+     */
+
+    .capture('text', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(createNotRegex(this.options));
+      if (!m || !m[0]) return;
+
+      // escape regex boundary characters and simple brackets
+      var val = m[0].replace(/([[\]^$])/g, '\\$1');
+
+      return pos({
+        type: 'text',
+        val: val
+      });
+    });
+};
+
+/**
+ * Create text regex
+ */
+
+function textRegex(pattern) {
+  var notStr = regexNot.create(pattern, {contains: true, strictClose: false});
+  var prefix = '(?:[\\^]|\\\\|';
+  return toRegex(prefix + notStr + ')', {strictClose: false});
+}
diff --git a/node_modules/micromatch/lib/utils.js b/node_modules/micromatch/lib/utils.js
new file mode 100644
index 00000000..f0ba9177
--- /dev/null
+++ b/node_modules/micromatch/lib/utils.js
@@ -0,0 +1,309 @@
+'use strict';
+
+var utils = module.exports;
+var path = require('path');
+
+/**
+ * Module dependencies
+ */
+
+var Snapdragon = require('snapdragon');
+utils.define = require('define-property');
+utils.diff = require('arr-diff');
+utils.extend = require('extend-shallow');
+utils.pick = require('object.pick');
+utils.typeOf = require('kind-of');
+utils.unique = require('array-unique');
+
+/**
+ * Returns true if the platform is windows, or `path.sep` is `\\`.
+ * This is defined as a function to allow `path.sep` to be set in unit tests,
+ * or by the user, if there is a reason to do so.
+ * @return {Boolean}
+ */
+
+utils.isWindows = function() {
+  return path.sep === '\\' || process.platform === 'win32';
+};
+
+/**
+ * Get the `Snapdragon` instance to use
+ */
+
+utils.instantiate = function(ast, options) {
+  var snapdragon;
+  // if an instance was created by `.parse`, use that instance
+  if (utils.typeOf(ast) === 'object' && ast.snapdragon) {
+    snapdragon = ast.snapdragon;
+  // if the user supplies an instance on options, use that instance
+  } else if (utils.typeOf(options) === 'object' && options.snapdragon) {
+    snapdragon = options.snapdragon;
+  // create a new instance
+  } else {
+    snapdragon = new Snapdragon(options);
+  }
+
+  utils.define(snapdragon, 'parse', function(str, options) {
+    var parsed = Snapdragon.prototype.parse.apply(this, arguments);
+    parsed.input = str;
+
+    // escape unmatched brace/bracket/parens
+    var last = this.parser.stack.pop();
+    if (last && this.options.strictErrors !== true) {
+      var open = last.nodes[0];
+      var inner = last.nodes[1];
+      if (last.type === 'bracket') {
+        if (inner.val.charAt(0) === '[') {
+          inner.val = '\\' + inner.val;
+        }
+
+      } else {
+        open.val = '\\' + open.val;
+        var sibling = open.parent.nodes[1];
+        if (sibling.type === 'star') {
+          sibling.loose = true;
+        }
+      }
+    }
+
+    // add non-enumerable parser reference
+    utils.define(parsed, 'parser', this.parser);
+    return parsed;
+  });
+
+  return snapdragon;
+};
+
+/**
+ * Create the key to use for memoization. The key is generated
+ * by iterating over the options and concatenating key-value pairs
+ * to the pattern string.
+ */
+
+utils.createKey = function(pattern, options) {
+  if (utils.typeOf(options) !== 'object') {
+    return pattern;
+  }
+  var val = pattern;
+  var keys = Object.keys(options);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    val += ';' + key + '=' + String(options[key]);
+  }
+  return val;
+};
+
+/**
+ * Cast `val` to an array
+ * @return {Array}
+ */
+
+utils.arrayify = function(val) {
+  if (typeof val === 'string') return [val];
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ */
+
+utils.isString = function(val) {
+  return typeof val === 'string';
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ */
+
+utils.isObject = function(val) {
+  return utils.typeOf(val) === 'object';
+};
+
+/**
+ * Returns true if the given `str` has special characters
+ */
+
+utils.hasSpecialChars = function(str) {
+  return /(?:(?:(^|\/)[!.])|[*?+()|\[\]{}]|[+@]\()/.test(str);
+};
+
+/**
+ * Escape regex characters in the given string
+ */
+
+utils.escapeRegex = function(str) {
+  return str.replace(/[-[\]{}()^$|*+?.\\\/\s]/g, '\\$&');
+};
+
+/**
+ * Normalize slashes in the given filepath.
+ *
+ * @param {String} `filepath`
+ * @return {String}
+ */
+
+utils.toPosixPath = function(str) {
+  return str.replace(/\\+/g, '/');
+};
+
+/**
+ * Strip backslashes before special characters in a string.
+ *
+ * @param {String} `str`
+ * @return {String}
+ */
+
+utils.unescape = function(str) {
+  return utils.toPosixPath(str.replace(/\\(?=[*+?!.])/g, ''));
+};
+
+/**
+ * Strip the prefix from a filepath
+ * @param {String} `fp`
+ * @return {String}
+ */
+
+utils.stripPrefix = function(str) {
+  if (str.charAt(0) !== '.') {
+    return str;
+  }
+  var ch = str.charAt(1);
+  if (utils.isSlash(ch)) {
+    return str.slice(2);
+  }
+  return str;
+};
+
+/**
+ * Returns true if the given str is an escaped or
+ * unescaped path character
+ */
+
+utils.isSlash = function(str) {
+  return str === '/' || str === '\\/' || str === '\\' || str === '\\\\';
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern matches or contains a `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.matchPath = function(pattern, options) {
+  return (options && options.contains)
+    ? utils.containsPattern(pattern, options)
+    : utils.equalsPattern(pattern, options);
+};
+
+/**
+ * Returns true if the given (original) filepath or unixified path are equal
+ * to the given pattern.
+ */
+
+utils._equals = function(filepath, unixPath, pattern) {
+  return pattern === filepath || pattern === unixPath;
+};
+
+/**
+ * Returns true if the given (original) filepath or unixified path contain
+ * the given pattern.
+ */
+
+utils._contains = function(filepath, unixPath, pattern) {
+  return filepath.indexOf(pattern) !== -1 || unixPath.indexOf(pattern) !== -1;
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern is the same as a given `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.equalsPattern = function(pattern, options) {
+  var unixify = utils.unixify(options);
+  options = options || {};
+
+  return function fn(filepath) {
+    var equal = utils._equals(filepath, unixify(filepath), pattern);
+    if (equal === true || options.nocase !== true) {
+      return equal;
+    }
+    var lower = filepath.toLowerCase();
+    return utils._equals(lower, unixify(lower), pattern);
+  };
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern contains a `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.containsPattern = function(pattern, options) {
+  var unixify = utils.unixify(options);
+  options = options || {};
+
+  return function(filepath) {
+    var contains = utils._contains(filepath, unixify(filepath), pattern);
+    if (contains === true || options.nocase !== true) {
+      return contains;
+    }
+    var lower = filepath.toLowerCase();
+    return utils._contains(lower, unixify(lower), pattern);
+  };
+};
+
+/**
+ * Returns a function that returns true if the given
+ * regex matches the `filename` of a file path.
+ *
+ * @param {RegExp} `re` Matching regex
+ * @return {Function}
+ */
+
+utils.matchBasename = function(re) {
+  return function(filepath) {
+    return re.test(path.basename(filepath));
+  };
+};
+
+/**
+ * Determines the filepath to return based on the provided options.
+ * @return {any}
+ */
+
+utils.value = function(str, unixify, options) {
+  if (options && options.unixify === false) {
+    return str;
+  }
+  return unixify(str);
+};
+
+/**
+ * Returns a function that normalizes slashes in a string to forward
+ * slashes, strips `./` from beginning of paths, and optionally unescapes
+ * special characters.
+ * @return {Function}
+ */
+
+utils.unixify = function(options) {
+  options = options || {};
+  return function(filepath) {
+    if (utils.isWindows() || options.unixify === true) {
+      filepath = utils.toPosixPath(filepath);
+    }
+    if (options.stripPrefix !== false) {
+      filepath = utils.stripPrefix(filepath);
+    }
+    if (options.unescape === true) {
+      filepath = utils.unescape(filepath);
+    }
+    return filepath;
+  };
+};
diff --git a/node_modules/micromatch/package.json b/node_modules/micromatch/package.json
new file mode 100644
index 00000000..44751558
--- /dev/null
+++ b/node_modules/micromatch/package.json
@@ -0,0 +1,147 @@
+{
+  "name": "micromatch",
+  "description": "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.",
+  "version": "3.1.10",
+  "homepage": "https://github.com/micromatch/micromatch",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Amila Welihinda (amilajack.com)",
+    "Bogdan Chadkin (https://github.com/TrySound)",
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Devon Govett (http://badassjs.com)",
+    "Elan Shanker (https://github.com/es128)",
+    "Fabrício Matté (https://ultcombo.js.org)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Martin Kolárik (https://kolarik.sk)",
+    "Olsten Larck (https://i.am.charlike.online)",
+    "Paul Miller (paulmillr.com)",
+    "Tom Byrer (https://github.com/tomByrer)",
+    "Tyler Akins (http://rumkin.com)",
+    "(https://github.com/DianeLooney)"
+  ],
+  "repository": "micromatch/micromatch",
+  "bugs": {
+    "url": "https://github.com/micromatch/micromatch/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "arr-diff": "^4.0.0",
+    "array-unique": "^0.3.2",
+    "braces": "^2.3.1",
+    "define-property": "^2.0.2",
+    "extend-shallow": "^3.0.2",
+    "extglob": "^2.0.4",
+    "fragment-cache": "^0.2.1",
+    "kind-of": "^6.0.2",
+    "nanomatch": "^1.2.9",
+    "object.pick": "^1.3.0",
+    "regex-not": "^1.0.0",
+    "snapdragon": "^0.8.1",
+    "to-regex": "^3.0.2"
+  },
+  "devDependencies": {
+    "bash-match": "^1.0.2",
+    "for-own": "^1.0.0",
+    "gulp": "^3.9.1",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.3",
+    "gulp-mocha": "^5.0.0",
+    "gulp-unused": "^0.2.1",
+    "is-windows": "^1.0.2",
+    "minimatch": "^3.0.4",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3",
+    "multimatch": "^2.1.0"
+  },
+  "keywords": [
+    "bash",
+    "expand",
+    "expansion",
+    "expression",
+    "file",
+    "files",
+    "filter",
+    "find",
+    "glob",
+    "globbing",
+    "globs",
+    "globstar",
+    "match",
+    "matcher",
+    "matches",
+    "matching",
+    "micromatch",
+    "minimatch",
+    "multimatch",
+    "path",
+    "pattern",
+    "patterns",
+    "regex",
+    "regexp",
+    "regular",
+    "shell",
+    "wildcard"
+  ],
+  "lintDeps": {
+    "dependencies": {
+      "options": {
+        "lock": {
+          "snapdragon": "^0.8.1"
+        }
+      }
+    },
+    "devDependencies": {
+      "files": {
+        "options": {
+          "ignore": [
+            "benchmark/**"
+          ]
+        }
+      }
+    }
+  },
+  "verb": {
+    "toc": "collapsible",
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "helpers": [
+      "./benchmark/helper.js"
+    ],
+    "related": {
+      "list": [
+        "braces",
+        "expand-brackets",
+        "extglob",
+        "fill-range",
+        "nanomatch"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "expand-brackets",
+      "extglob",
+      "glob-object",
+      "minimatch",
+      "multimatch",
+      "snapdragon"
+    ]
+  }
+}
diff --git a/node_modules/miller-rabin/.npmignore b/node_modules/miller-rabin/.npmignore
new file mode 100644
index 00000000..1ca95717
--- /dev/null
+++ b/node_modules/miller-rabin/.npmignore
@@ -0,0 +1,2 @@
+node_modules/
+npm-debug.log
diff --git a/node_modules/miller-rabin/1.js b/node_modules/miller-rabin/1.js
new file mode 100644
index 00000000..92953789
--- /dev/null
+++ b/node_modules/miller-rabin/1.js
@@ -0,0 +1,7 @@
+'use strict';
+
+const BN = require('bn.js');
+
+const p = new BN('2e1b162f326430f5ac6af10f96b2a8350e01675d22324c9f', 'hex');
+
+console.log(p.bitLength());
diff --git a/node_modules/miller-rabin/README.md b/node_modules/miller-rabin/README.md
new file mode 100644
index 00000000..e9d76f67
--- /dev/null
+++ b/node_modules/miller-rabin/README.md
@@ -0,0 +1,26 @@
+# Miller-Rabin
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2014.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/miller-rabin/bin/miller-rabin b/node_modules/miller-rabin/bin/miller-rabin
new file mode 100644
index 00000000..2e18dfd5
--- /dev/null
+++ b/node_modules/miller-rabin/bin/miller-rabin
@@ -0,0 +1,29 @@
+#!/usr/bin/env node
+var bn = require('bn.js');
+var fs = require('fs');
+var mr = require('../').create();
+
+var num = '';
+if (process.argv[2]) {
+  num += fs.readFileSync(process.argv[2]);
+  start(num);
+} else {
+  process.stdin.on('data', function(chunk) {
+    num += chunk.toString().replace(/[^0-9a-f]/gi, '');
+  });
+  process.stdin.once('end', function() {
+    start(num);
+  });
+}
+
+function start(text) {
+  var num = new bn(text, 16);
+
+  var divisor = mr.getDivisor(num);
+  if (!divisor)
+    process.exit(1);
+  if (divisor.cmpn(1) === 0)
+    process.exit(0);
+
+  console.log(divisor.toString(16));
+}
diff --git a/node_modules/miller-rabin/lib/mr.js b/node_modules/miller-rabin/lib/mr.js
new file mode 100644
index 00000000..60d2a8ef
--- /dev/null
+++ b/node_modules/miller-rabin/lib/mr.js
@@ -0,0 +1,115 @@
+var bn = require('bn.js');
+var brorand = require('brorand');
+
+function MillerRabin(rand) {
+  this.rand = rand || new brorand.Rand();
+}
+module.exports = MillerRabin;
+
+MillerRabin.create = function create(rand) {
+  return new MillerRabin(rand);
+};
+
+MillerRabin.prototype._randbelow = function _randbelow(n) {
+  var len = n.bitLength();
+  var min_bytes = Math.ceil(len / 8);
+
+  // Generage random bytes until a number less than n is found.
+  // This ensures that 0..n-1 have an equal probability of being selected.
+  do
+    var a = new bn(this.rand.generate(min_bytes));
+  while (a.cmp(n) >= 0);
+
+  return a;
+};
+
+MillerRabin.prototype._randrange = function _randrange(start, stop) {
+  // Generate a random number greater than or equal to start and less than stop.
+  var size = stop.sub(start);
+  return start.add(this._randbelow(size));
+};
+
+MillerRabin.prototype.test = function test(n, k, cb) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  var prime = true;
+  for (; k > 0; k--) {
+    var a = this._randrange(new bn(2), n1);
+    if (cb)
+      cb(a);
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return false;
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s)
+      return false;
+  }
+
+  return prime;
+};
+
+MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  for (; k > 0; k--) {
+    var a = this._randrange(new bn(2), n1);
+
+    var g = n.gcd(a);
+    if (g.cmpn(1) !== 0)
+      return g;
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return x.fromRed().subn(1).gcd(n);
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s) {
+      x = x.redSqr();
+      return x.fromRed().subn(1).gcd(n);
+    }
+  }
+
+  return false;
+};
diff --git a/node_modules/miller-rabin/node_modules/bn.js/LICENSE b/node_modules/miller-rabin/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/miller-rabin/node_modules/bn.js/README.md b/node_modules/miller-rabin/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/miller-rabin/node_modules/bn.js/lib/bn.js b/node_modules/miller-rabin/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/miller-rabin/node_modules/bn.js/package.json b/node_modules/miller-rabin/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo.js b/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/miller-rabin/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/miller-rabin/package.json b/node_modules/miller-rabin/package.json
new file mode 100644
index 00000000..af0f8057
--- /dev/null
+++ b/node_modules/miller-rabin/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "miller-rabin",
+  "version": "4.0.1",
+  "description": "Miller Rabin algorithm for primality test",
+  "main": "lib/mr.js",
+  "bin": "bin/miller-rabin",
+  "scripts": {
+    "test": "mocha --reporter=spec test/**/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/miller-rabin"
+  },
+  "keywords": [
+    "prime",
+    "miller-rabin",
+    "bignumber"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/miller-rabin/issues"
+  },
+  "homepage": "https://github.com/indutny/miller-rabin",
+  "devDependencies": {
+    "mocha": "^2.0.1"
+  },
+  "dependencies": {
+    "bn.js": "^4.0.0",
+    "brorand": "^1.0.1"
+  }
+}
diff --git a/node_modules/miller-rabin/test.js b/node_modules/miller-rabin/test.js
new file mode 100644
index 00000000..74b2ccfe
--- /dev/null
+++ b/node_modules/miller-rabin/test.js
@@ -0,0 +1,25 @@
+var mr = require('./').create();
+var BN = require('bn.js');
+
+var p = new BN(
+    `00:d3:99:af:83:02:de:91:f8:cc:1b:4e:2e:e0:18:
+    b3:0a:41:a4:77:98:d2:ad:66:0f:dc:17:85:ca:58:
+    b4:e4:88:55:c5:0a:82:08:7c:fb:70:a9:41:30:be:
+    af:50:d2:ce:93:cd:46:83:47:6e:c0:51:a7:10:e6:
+    66:d1:08:e8:3d:b8:ce:fe:3e:4e:48:96:82:15:f7:
+    2c:83:80:05:f2:14:3a:a4:5a:44:2b:22:22:67:e5:
+    21:23:b7:cb:0f:71:5b:12:8b:3d:81:f6:5e:dc:99:
+    8f:f9:80:38:75:57:c2:dd:9b:7a:b2:24:97:42:60:
+    92:1f:1d:8a:68:c5:b8:7f:5d:c0:53:3d:15:f2:95:
+    b8:1d:8b:c2:e6:ca:a6:4c:bd:bf:88:9f:3e:d3:d7:
+    24:18:27:62:6e:d0:52:75:68:9f:2a:c9:39:af:95:
+    55:bb:11:08:dc:51:e9:8b:5a:38:e0:c0:e9:d8:a6:
+    71:a5:03:f9:a7:2c:dd:1a:63:8e:7f:f0:36:68:a0:
+    44:f8:09:48:3d:bd:de:b3:2d:3a:2f:73:88:8a:0c:
+    e2:7f:9b:dd:e8:c2:0e:ee:21:e4:a7:f9:4d:46:2f:
+    a7:f6:6d:fa:88:2e:95:60:ac:53:2e:45:a2:9d:9e:
+    c4:80:fc:c7:49:c9:42:bb:2b:66:f6:14:6d:7f:03:
+    4e:f3`.replace(/[^a-f0-9]/g, ''), 16);
+console.time();
+mr.test(p);
+console.timeEnd();
diff --git a/node_modules/miller-rabin/test/api-test.js b/node_modules/miller-rabin/test/api-test.js
new file mode 100644
index 00000000..dee094d9
--- /dev/null
+++ b/node_modules/miller-rabin/test/api-test.js
@@ -0,0 +1,18 @@
+var assert = require('assert');
+var mr = require('../').create();
+var bn = require('bn.js');
+
+describe('Miller-Rabin', function() {
+  it('should test number for primality', function() {
+    assert(!mr.test(new bn(221)));
+    assert(mr.test(new bn(257)));
+
+    var p = new bn('dba8191813fe8f51eaae1de70213aafede8f323f95f32cff' +
+                   '8b64ebada275cfb18a446a0150e5fdaee246244c5f002ce0' +
+                   'aca97584be1745f2dd1eea2849c52aac8c4b5fb78a1c4da7' +
+                   '052774338d3310a6e020c46168cb1f94014e9312511cc4fb' +
+                   '79d695bb732449f0e015745b86bfa371dc6ca7386e9c7309' +
+                   '5549c2e4b8002873', 16);
+    assert(mr.test(p));
+  });
+});
diff --git a/node_modules/minimalistic-assert/LICENSE b/node_modules/minimalistic-assert/LICENSE
new file mode 100644
index 00000000..adca66b3
--- /dev/null
+++ b/node_modules/minimalistic-assert/LICENSE
@@ -0,0 +1,13 @@
+Copyright 2015 Calvin Metcalf
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/minimalistic-assert/index.js b/node_modules/minimalistic-assert/index.js
new file mode 100644
index 00000000..70b4ea5b
--- /dev/null
+++ b/node_modules/minimalistic-assert/index.js
@@ -0,0 +1,11 @@
+module.exports = assert;
+
+function assert(val, msg) {
+  if (!val)
+    throw new Error(msg || 'Assertion failed');
+}
+
+assert.equal = function assertEqual(l, r, msg) {
+  if (l != r)
+    throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
+};
diff --git a/node_modules/minimalistic-assert/package.json b/node_modules/minimalistic-assert/package.json
new file mode 100644
index 00000000..f8de10d9
--- /dev/null
+++ b/node_modules/minimalistic-assert/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "minimalistic-assert",
+  "version": "1.0.1",
+  "description": "minimalistic-assert ===",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/calvinmetcalf/minimalistic-assert.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/calvinmetcalf/minimalistic-assert/issues"
+  },
+  "homepage": "https://github.com/calvinmetcalf/minimalistic-assert"
+}
diff --git a/node_modules/minimalistic-assert/readme.md b/node_modules/minimalistic-assert/readme.md
new file mode 100644
index 00000000..2ca0d256
--- /dev/null
+++ b/node_modules/minimalistic-assert/readme.md
@@ -0,0 +1,4 @@
+minimalistic-assert
+===
+
+very minimalistic assert module.
diff --git a/node_modules/minimalistic-crypto-utils/.npmignore b/node_modules/minimalistic-crypto-utils/.npmignore
new file mode 100644
index 00000000..1ca95717
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/.npmignore
@@ -0,0 +1,2 @@
+node_modules/
+npm-debug.log
diff --git a/node_modules/minimalistic-crypto-utils/.travis.yml b/node_modules/minimalistic-crypto-utils/.travis.yml
new file mode 100644
index 00000000..ce24b7a7
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/.travis.yml
@@ -0,0 +1,11 @@
+sudo: false
+
+language: node_js
+
+node_js:
+  - "4"
+  - "6"
+  - "stable"
+
+script:
+  - npm test
diff --git a/node_modules/minimalistic-crypto-utils/README.md b/node_modules/minimalistic-crypto-utils/README.md
new file mode 100644
index 00000000..9e58eba8
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/README.md
@@ -0,0 +1,47 @@
+# minimalistic-crypto-utils
+[![Build Status](https://secure.travis-ci.org/indutny/minimalistic-crypto-utils.svg)](http://travis-ci.org/indutny/minimalistic-crypto-utils)
+[![NPM version](https://badge.fury.io/js/minimalistic-crypto-utils.svg)](http://badge.fury.io/js/minimalistic-crypto-utils)
+
+Very minimal utils that are required in order to write reasonable JS-only
+crypto module.
+
+## Usage
+
+```js
+const utils = require('minimalistic-crypto-utils');
+
+utils.toArray('abcd', 'hex');
+utils.encode([ 1, 2, 3, 4 ], 'hex');
+utils.toHex([ 1, 2, 3, 4 ]);
+```
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2017.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+[0]: http://tools.ietf.org/html/rfc6979
+[1]: https://github.com/indutny/bn.js
+[2]: https://github.com/indutny/hash.js
+[3]: https://github.com/bitchan/eccrypto
+[4]: https://github.com/wanderer/secp256k1-node
diff --git a/node_modules/minimalistic-crypto-utils/lib/utils.js b/node_modules/minimalistic-crypto-utils/lib/utils.js
new file mode 100644
index 00000000..cd48daf1
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/lib/utils.js
@@ -0,0 +1,58 @@
+'use strict';
+
+var utils = exports;
+
+function toArray(msg, enc) {
+  if (Array.isArray(msg))
+    return msg.slice();
+  if (!msg)
+    return [];
+  var res = [];
+  if (typeof msg !== 'string') {
+    for (var i = 0; i < msg.length; i++)
+      res[i] = msg[i] | 0;
+    return res;
+  }
+  if (enc === 'hex') {
+    msg = msg.replace(/[^a-z0-9]+/ig, '');
+    if (msg.length % 2 !== 0)
+      msg = '0' + msg;
+    for (var i = 0; i < msg.length; i += 2)
+      res.push(parseInt(msg[i] + msg[i + 1], 16));
+  } else {
+    for (var i = 0; i < msg.length; i++) {
+      var c = msg.charCodeAt(i);
+      var hi = c >> 8;
+      var lo = c & 0xff;
+      if (hi)
+        res.push(hi, lo);
+      else
+        res.push(lo);
+    }
+  }
+  return res;
+}
+utils.toArray = toArray;
+
+function zero2(word) {
+  if (word.length === 1)
+    return '0' + word;
+  else
+    return word;
+}
+utils.zero2 = zero2;
+
+function toHex(msg) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++)
+    res += zero2(msg[i].toString(16));
+  return res;
+}
+utils.toHex = toHex;
+
+utils.encode = function encode(arr, enc) {
+  if (enc === 'hex')
+    return toHex(arr);
+  else
+    return arr;
+};
diff --git a/node_modules/minimalistic-crypto-utils/package.json b/node_modules/minimalistic-crypto-utils/package.json
new file mode 100644
index 00000000..bc4c79a4
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "minimalistic-crypto-utils",
+  "version": "1.0.1",
+  "description": "Minimalistic tools for JS crypto modules",
+  "main": "lib/utils.js",
+  "scripts": {
+    "test": "mocha --reporter=spec test/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/minimalistic-crypto-utils.git"
+  },
+  "keywords": [
+    "minimalistic",
+    "utils",
+    "crypto"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/minimalistic-crypto-utils/issues"
+  },
+  "homepage": "https://github.com/indutny/minimalistic-crypto-utils#readme",
+  "devDependencies": {
+    "mocha": "^3.2.0"
+  }
+}
diff --git a/node_modules/minimalistic-crypto-utils/test/utils-test.js b/node_modules/minimalistic-crypto-utils/test/utils-test.js
new file mode 100644
index 00000000..3da812db
--- /dev/null
+++ b/node_modules/minimalistic-crypto-utils/test/utils-test.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const assert = require('assert');
+const utils = require('../');
+
+describe('utils', () => {
+  it('should convert to array', () => {
+    assert.deepEqual(utils.toArray('1234', 'hex'), [ 0x12, 0x34 ]);
+    assert.deepEqual(utils.toArray('1234'), [ 49, 50, 51, 52 ]);
+    assert.deepEqual(utils.toArray('1234', 'utf8'), [ 49, 50, 51, 52 ]);
+    assert.deepEqual(utils.toArray('\u1234234'), [ 18, 52, 50, 51, 52 ]);
+    assert.deepEqual(utils.toArray([ 1, 2, 3, 4 ]), [ 1, 2, 3, 4 ]);
+  });
+
+  it('should zero pad byte to hex', () => {
+    assert.equal(utils.zero2('0'), '00');
+    assert.equal(utils.zero2('01'), '01');
+  });
+
+  it('should convert to hex', () => {
+    assert.equal(utils.toHex([ 0, 1, 2, 3 ]), '00010203');
+  });
+
+  it('should encode', () => {
+    assert.deepEqual(utils.encode([ 0, 1, 2, 3 ]), [ 0, 1, 2, 3 ]);
+    assert.deepEqual(utils.encode([ 0, 1, 2, 3 ], 'hex'), '00010203');
+  });
+});
diff --git a/node_modules/minimatch/LICENSE b/node_modules/minimatch/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/minimatch/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/minimatch/README.md b/node_modules/minimatch/README.md
new file mode 100644
index 00000000..33ede1d6
--- /dev/null
+++ b/node_modules/minimatch/README.md
@@ -0,0 +1,230 @@
+# minimatch
+
+A minimal matching utility.
+
+[![Build Status](https://travis-ci.org/isaacs/minimatch.svg?branch=master)](http://travis-ci.org/isaacs/minimatch)
+
+
+This is the matching library used internally by npm.
+
+It works by converting glob expressions into JavaScript `RegExp`
+objects.
+
+## Usage
+
+```javascript
+var minimatch = require("minimatch")
+
+minimatch("bar.foo", "*.foo") // true!
+minimatch("bar.foo", "*.bar") // false!
+minimatch("bar.foo", "*.+(bar|foo)", { debug: true }) // true, and noisy!
+```
+
+## Features
+
+Supports these glob features:
+
+* Brace Expansion
+* Extended glob matching
+* "Globstar" `**` matching
+
+See:
+
+* `man sh`
+* `man bash`
+* `man 3 fnmatch`
+* `man 5 gitignore`
+
+## Minimatch Class
+
+Create a minimatch object by instantiating the `minimatch.Minimatch` class.
+
+```javascript
+var Minimatch = require("minimatch").Minimatch
+var mm = new Minimatch(pattern, options)
+```
+
+### Properties
+
+* `pattern` The original pattern the minimatch object represents.
+* `options` The options supplied to the constructor.
+* `set` A 2-dimensional array of regexp or string expressions.
+  Each row in the
+  array corresponds to a brace-expanded pattern.  Each item in the row
+  corresponds to a single path-part.  For example, the pattern
+  `{a,b/c}/d` would expand to a set of patterns like:
+
+        [ [ a, d ]
+        , [ b, c, d ] ]
+
+    If a portion of the pattern doesn't have any "magic" in it
+    (that is, it's something like `"foo"` rather than `fo*o?`), then it
+    will be left as a string rather than converted to a regular
+    expression.
+
+* `regexp` Created by the `makeRe` method.  A single regular expression
+  expressing the entire pattern.  This is useful in cases where you wish
+  to use the pattern somewhat like `fnmatch(3)` with `FNM_PATH` enabled.
+* `negate` True if the pattern is negated.
+* `comment` True if the pattern is a comment.
+* `empty` True if the pattern is `""`.
+
+### Methods
+
+* `makeRe` Generate the `regexp` member if necessary, and return it.
+  Will return `false` if the pattern is invalid.
+* `match(fname)` Return true if the filename matches the pattern, or
+  false otherwise.
+* `matchOne(fileArray, patternArray, partial)` Take a `/`-split
+  filename, and match it against a single row in the `regExpSet`.  This
+  method is mainly for internal use, but is exposed so that it can be
+  used by a glob-walker that needs to avoid excessive filesystem calls.
+
+All other methods are internal, and will be called as necessary.
+
+### minimatch(path, pattern, options)
+
+Main export.  Tests a path against the pattern using the options.
+
+```javascript
+var isJS = minimatch(file, "*.js", { matchBase: true })
+```
+
+### minimatch.filter(pattern, options)
+
+Returns a function that tests its
+supplied argument, suitable for use with `Array.filter`.  Example:
+
+```javascript
+var javascripts = fileList.filter(minimatch.filter("*.js", {matchBase: true}))
+```
+
+### minimatch.match(list, pattern, options)
+
+Match against the list of
+files, in the style of fnmatch or glob.  If nothing is matched, and
+options.nonull is set, then return a list containing the pattern itself.
+
+```javascript
+var javascripts = minimatch.match(fileList, "*.js", {matchBase: true}))
+```
+
+### minimatch.makeRe(pattern, options)
+
+Make a regular expression object from the pattern.
+
+## Options
+
+All options are `false` by default.
+
+### debug
+
+Dump a ton of stuff to stderr.
+
+### nobrace
+
+Do not expand `{a,b}` and `{1..3}` brace sets.
+
+### noglobstar
+
+Disable `**` matching against multiple folder names.
+
+### dot
+
+Allow patterns to match filenames starting with a period, even if
+the pattern does not explicitly have a period in that spot.
+
+Note that by default, `a/**/b` will **not** match `a/.d/b`, unless `dot`
+is set.
+
+### noext
+
+Disable "extglob" style patterns like `+(a|b)`.
+
+### nocase
+
+Perform a case-insensitive match.
+
+### nonull
+
+When a match is not found by `minimatch.match`, return a list containing
+the pattern itself if this option is set.  When not set, an empty list
+is returned if there are no matches.
+
+### matchBase
+
+If set, then patterns without slashes will be matched
+against the basename of the path if it contains slashes.  For example,
+`a?b` would match the path `/xyz/123/acb`, but not `/xyz/acb/123`.
+
+### nocomment
+
+Suppress the behavior of treating `#` at the start of a pattern as a
+comment.
+
+### nonegate
+
+Suppress the behavior of treating a leading `!` character as negation.
+
+### flipNegate
+
+Returns from negate expressions the same as if they were not negated.
+(Ie, true on a hit, false on a miss.)
+
+### partial
+
+Compare a partial path to a pattern.  As long as the parts of the path that
+are present are not contradicted by the pattern, it will be treated as a
+match.  This is useful in applications where you're walking through a
+folder structure, and don't yet have the full path, but want to ensure that
+you do not walk down paths that can never be a match.
+
+For example,
+
+```js
+minimatch('/a/b', '/a/*/c/d', { partial: true })  // true, might be /a/b/c/d
+minimatch('/a/b', '/**/d', { partial: true })     // true, might be /a/b/.../d
+minimatch('/x/y/z', '/a/**/z', { partial: true }) // false, because x !== a
+```
+
+### allowWindowsEscape
+
+Windows path separator `\` is by default converted to `/`, which
+prohibits the usage of `\` as a escape character. This flag skips that
+behavior and allows using the escape character.
+
+## Comparisons to other fnmatch/glob implementations
+
+While strict compliance with the existing standards is a worthwhile
+goal, some discrepancies exist between minimatch and other
+implementations, and are intentional.
+
+If the pattern starts with a `!` character, then it is negated.  Set the
+`nonegate` flag to suppress this behavior, and treat leading `!`
+characters normally.  This is perhaps relevant if you wish to start the
+pattern with a negative extglob pattern like `!(a|B)`.  Multiple `!`
+characters at the start of a pattern will negate the pattern multiple
+times.
+
+If a pattern starts with `#`, then it is treated as a comment, and
+will not match anything.  Use `\#` to match a literal `#` at the
+start of a line, or set the `nocomment` flag to suppress this behavior.
+
+The double-star character `**` is supported by default, unless the
+`noglobstar` flag is set.  This is supported in the manner of bsdglob
+and bash 4.1, where `**` only has special significance if it is the only
+thing in a path part.  That is, `a/**/b` will match `a/x/y/b`, but
+`a/**b` will not.
+
+If an escaped pattern has no matches, and the `nonull` flag is set,
+then minimatch.match returns the pattern as-provided, rather than
+interpreting the character escapes.  For example,
+`minimatch.match([], "\\*a\\?")` will return `"\\*a\\?"` rather than
+`"*a?"`.  This is akin to setting the `nullglob` option in bash, except
+that it does not resolve escaped pattern characters.
+
+If brace expansion is not disabled, then it is performed before any
+other interpretation of the glob pattern.  Thus, a pattern like
+`+(a|{b),c)}`, which would not be valid in bash or zsh, is expanded
+**first** into the set of `+(a|b)` and `+(a|c)`, and those patterns are
+checked for validity.  Since those two are valid, matching proceeds.
diff --git a/node_modules/minimatch/minimatch.js b/node_modules/minimatch/minimatch.js
new file mode 100644
index 00000000..fda45ade
--- /dev/null
+++ b/node_modules/minimatch/minimatch.js
@@ -0,0 +1,947 @@
+module.exports = minimatch
+minimatch.Minimatch = Minimatch
+
+var path = (function () { try { return require('path') } catch (e) {}}()) || {
+  sep: '/'
+}
+minimatch.sep = path.sep
+
+var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {}
+var expand = require('brace-expansion')
+
+var plTypes = {
+  '!': { open: '(?:(?!(?:', close: '))[^/]*?)'},
+  '?': { open: '(?:', close: ')?' },
+  '+': { open: '(?:', close: ')+' },
+  '*': { open: '(?:', close: ')*' },
+  '@': { open: '(?:', close: ')' }
+}
+
+// any single thing other than /
+// don't need to escape / when using new RegExp()
+var qmark = '[^/]'
+
+// * => any number of characters
+var star = qmark + '*?'
+
+// ** when dots are allowed.  Anything goes, except .. and .
+// not (^ or / followed by one or two dots followed by $ or /),
+// followed by anything, any number of times.
+var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'
+
+// not a ^ or / followed by a dot,
+// followed by anything, any number of times.
+var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'
+
+// characters that need to be escaped in RegExp.
+var reSpecials = charSet('().*{}+?[]^$\\!')
+
+// "abc" -> { a:true, b:true, c:true }
+function charSet (s) {
+  return s.split('').reduce(function (set, c) {
+    set[c] = true
+    return set
+  }, {})
+}
+
+// normalizes slashes.
+var slashSplit = /\/+/
+
+minimatch.filter = filter
+function filter (pattern, options) {
+  options = options || {}
+  return function (p, i, list) {
+    return minimatch(p, pattern, options)
+  }
+}
+
+function ext (a, b) {
+  b = b || {}
+  var t = {}
+  Object.keys(a).forEach(function (k) {
+    t[k] = a[k]
+  })
+  Object.keys(b).forEach(function (k) {
+    t[k] = b[k]
+  })
+  return t
+}
+
+minimatch.defaults = function (def) {
+  if (!def || typeof def !== 'object' || !Object.keys(def).length) {
+    return minimatch
+  }
+
+  var orig = minimatch
+
+  var m = function minimatch (p, pattern, options) {
+    return orig(p, pattern, ext(def, options))
+  }
+
+  m.Minimatch = function Minimatch (pattern, options) {
+    return new orig.Minimatch(pattern, ext(def, options))
+  }
+  m.Minimatch.defaults = function defaults (options) {
+    return orig.defaults(ext(def, options)).Minimatch
+  }
+
+  m.filter = function filter (pattern, options) {
+    return orig.filter(pattern, ext(def, options))
+  }
+
+  m.defaults = function defaults (options) {
+    return orig.defaults(ext(def, options))
+  }
+
+  m.makeRe = function makeRe (pattern, options) {
+    return orig.makeRe(pattern, ext(def, options))
+  }
+
+  m.braceExpand = function braceExpand (pattern, options) {
+    return orig.braceExpand(pattern, ext(def, options))
+  }
+
+  m.match = function (list, pattern, options) {
+    return orig.match(list, pattern, ext(def, options))
+  }
+
+  return m
+}
+
+Minimatch.defaults = function (def) {
+  return minimatch.defaults(def).Minimatch
+}
+
+function minimatch (p, pattern, options) {
+  assertValidPattern(pattern)
+
+  if (!options) options = {}
+
+  // shortcut: comments match nothing.
+  if (!options.nocomment && pattern.charAt(0) === '#') {
+    return false
+  }
+
+  return new Minimatch(pattern, options).match(p)
+}
+
+function Minimatch (pattern, options) {
+  if (!(this instanceof Minimatch)) {
+    return new Minimatch(pattern, options)
+  }
+
+  assertValidPattern(pattern)
+
+  if (!options) options = {}
+
+  pattern = pattern.trim()
+
+  // windows support: need to use /, not \
+  if (!options.allowWindowsEscape && path.sep !== '/') {
+    pattern = pattern.split(path.sep).join('/')
+  }
+
+  this.options = options
+  this.set = []
+  this.pattern = pattern
+  this.regexp = null
+  this.negate = false
+  this.comment = false
+  this.empty = false
+  this.partial = !!options.partial
+
+  // make the set of regexps etc.
+  this.make()
+}
+
+Minimatch.prototype.debug = function () {}
+
+Minimatch.prototype.make = make
+function make () {
+  var pattern = this.pattern
+  var options = this.options
+
+  // empty patterns and comments match nothing.
+  if (!options.nocomment && pattern.charAt(0) === '#') {
+    this.comment = true
+    return
+  }
+  if (!pattern) {
+    this.empty = true
+    return
+  }
+
+  // step 1: figure out negation, etc.
+  this.parseNegate()
+
+  // step 2: expand braces
+  var set = this.globSet = this.braceExpand()
+
+  if (options.debug) this.debug = function debug() { console.error.apply(console, arguments) }
+
+  this.debug(this.pattern, set)
+
+  // step 3: now we have a set, so turn each one into a series of path-portion
+  // matching patterns.
+  // These will be regexps, except in the case of "**", which is
+  // set to the GLOBSTAR object for globstar behavior,
+  // and will not contain any / characters
+  set = this.globParts = set.map(function (s) {
+    return s.split(slashSplit)
+  })
+
+  this.debug(this.pattern, set)
+
+  // glob --> regexps
+  set = set.map(function (s, si, set) {
+    return s.map(this.parse, this)
+  }, this)
+
+  this.debug(this.pattern, set)
+
+  // filter out everything that didn't compile properly.
+  set = set.filter(function (s) {
+    return s.indexOf(false) === -1
+  })
+
+  this.debug(this.pattern, set)
+
+  this.set = set
+}
+
+Minimatch.prototype.parseNegate = parseNegate
+function parseNegate () {
+  var pattern = this.pattern
+  var negate = false
+  var options = this.options
+  var negateOffset = 0
+
+  if (options.nonegate) return
+
+  for (var i = 0, l = pattern.length
+    ; i < l && pattern.charAt(i) === '!'
+    ; i++) {
+    negate = !negate
+    negateOffset++
+  }
+
+  if (negateOffset) this.pattern = pattern.substr(negateOffset)
+  this.negate = negate
+}
+
+// Brace expansion:
+// a{b,c}d -> abd acd
+// a{b,}c -> abc ac
+// a{0..3}d -> a0d a1d a2d a3d
+// a{b,c{d,e}f}g -> abg acdfg acefg
+// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
+//
+// Invalid sets are not expanded.
+// a{2..}b -> a{2..}b
+// a{b}c -> a{b}c
+minimatch.braceExpand = function (pattern, options) {
+  return braceExpand(pattern, options)
+}
+
+Minimatch.prototype.braceExpand = braceExpand
+
+function braceExpand (pattern, options) {
+  if (!options) {
+    if (this instanceof Minimatch) {
+      options = this.options
+    } else {
+      options = {}
+    }
+  }
+
+  pattern = typeof pattern === 'undefined'
+    ? this.pattern : pattern
+
+  assertValidPattern(pattern)
+
+  // Thanks to Yeting Li <https://github.com/yetingli> for
+  // improving this regexp to avoid a ReDOS vulnerability.
+  if (options.nobrace || !/\{(?:(?!\{).)*\}/.test(pattern)) {
+    // shortcut. no need to expand.
+    return [pattern]
+  }
+
+  return expand(pattern)
+}
+
+var MAX_PATTERN_LENGTH = 1024 * 64
+var assertValidPattern = function (pattern) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('invalid pattern')
+  }
+
+  if (pattern.length > MAX_PATTERN_LENGTH) {
+    throw new TypeError('pattern is too long')
+  }
+}
+
+// parse a component of the expanded set.
+// At this point, no pattern may contain "/" in it
+// so we're going to return a 2d array, where each entry is the full
+// pattern, split on '/', and then turned into a regular expression.
+// A regexp is made at the end which joins each array with an
+// escaped /, and another full one which joins each regexp with |.
+//
+// Following the lead of Bash 4.1, note that "**" only has special meaning
+// when it is the *only* thing in a path portion.  Otherwise, any series
+// of * is equivalent to a single *.  Globstar behavior is enabled by
+// default, and can be disabled by setting options.noglobstar.
+Minimatch.prototype.parse = parse
+var SUBPARSE = {}
+function parse (pattern, isSub) {
+  assertValidPattern(pattern)
+
+  var options = this.options
+
+  // shortcuts
+  if (pattern === '**') {
+    if (!options.noglobstar)
+      return GLOBSTAR
+    else
+      pattern = '*'
+  }
+  if (pattern === '') return ''
+
+  var re = ''
+  var hasMagic = !!options.nocase
+  var escaping = false
+  // ? => one single character
+  var patternListStack = []
+  var negativeLists = []
+  var stateChar
+  var inClass = false
+  var reClassStart = -1
+  var classStart = -1
+  // . and .. never match anything that doesn't start with .,
+  // even when options.dot is set.
+  var patternStart = pattern.charAt(0) === '.' ? '' // anything
+  // not (start or / followed by . or .. followed by / or end)
+  : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))'
+  : '(?!\\.)'
+  var self = this
+
+  function clearStateChar () {
+    if (stateChar) {
+      // we had some state-tracking character
+      // that wasn't consumed by this pass.
+      switch (stateChar) {
+        case '*':
+          re += star
+          hasMagic = true
+        break
+        case '?':
+          re += qmark
+          hasMagic = true
+        break
+        default:
+          re += '\\' + stateChar
+        break
+      }
+      self.debug('clearStateChar %j %j', stateChar, re)
+      stateChar = false
+    }
+  }
+
+  for (var i = 0, len = pattern.length, c
+    ; (i < len) && (c = pattern.charAt(i))
+    ; i++) {
+    this.debug('%s\t%s %s %j', pattern, i, re, c)
+
+    // skip over any that are escaped.
+    if (escaping && reSpecials[c]) {
+      re += '\\' + c
+      escaping = false
+      continue
+    }
+
+    switch (c) {
+      /* istanbul ignore next */
+      case '/': {
+        // completely not allowed, even escaped.
+        // Should already be path-split by now.
+        return false
+      }
+
+      case '\\':
+        clearStateChar()
+        escaping = true
+      continue
+
+      // the various stateChar values
+      // for the "extglob" stuff.
+      case '?':
+      case '*':
+      case '+':
+      case '@':
+      case '!':
+        this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c)
+
+        // all of those are literals inside a class, except that
+        // the glob [!a] means [^a] in regexp
+        if (inClass) {
+          this.debug('  in class')
+          if (c === '!' && i === classStart + 1) c = '^'
+          re += c
+          continue
+        }
+
+        // if we already have a stateChar, then it means
+        // that there was something like ** or +? in there.
+        // Handle the stateChar, then proceed with this one.
+        self.debug('call clearStateChar %j', stateChar)
+        clearStateChar()
+        stateChar = c
+        // if extglob is disabled, then +(asdf|foo) isn't a thing.
+        // just clear the statechar *now*, rather than even diving into
+        // the patternList stuff.
+        if (options.noext) clearStateChar()
+      continue
+
+      case '(':
+        if (inClass) {
+          re += '('
+          continue
+        }
+
+        if (!stateChar) {
+          re += '\\('
+          continue
+        }
+
+        patternListStack.push({
+          type: stateChar,
+          start: i - 1,
+          reStart: re.length,
+          open: plTypes[stateChar].open,
+          close: plTypes[stateChar].close
+        })
+        // negation is (?:(?!js)[^/]*)
+        re += stateChar === '!' ? '(?:(?!(?:' : '(?:'
+        this.debug('plType %j %j', stateChar, re)
+        stateChar = false
+      continue
+
+      case ')':
+        if (inClass || !patternListStack.length) {
+          re += '\\)'
+          continue
+        }
+
+        clearStateChar()
+        hasMagic = true
+        var pl = patternListStack.pop()
+        // negation is (?:(?!js)[^/]*)
+        // The others are (?:<pattern>)<type>
+        re += pl.close
+        if (pl.type === '!') {
+          negativeLists.push(pl)
+        }
+        pl.reEnd = re.length
+      continue
+
+      case '|':
+        if (inClass || !patternListStack.length || escaping) {
+          re += '\\|'
+          escaping = false
+          continue
+        }
+
+        clearStateChar()
+        re += '|'
+      continue
+
+      // these are mostly the same in regexp and glob
+      case '[':
+        // swallow any state-tracking char before the [
+        clearStateChar()
+
+        if (inClass) {
+          re += '\\' + c
+          continue
+        }
+
+        inClass = true
+        classStart = i
+        reClassStart = re.length
+        re += c
+      continue
+
+      case ']':
+        //  a right bracket shall lose its special
+        //  meaning and represent itself in
+        //  a bracket expression if it occurs
+        //  first in the list.  -- POSIX.2 2.8.3.2
+        if (i === classStart + 1 || !inClass) {
+          re += '\\' + c
+          escaping = false
+          continue
+        }
+
+        // handle the case where we left a class open.
+        // "[z-a]" is valid, equivalent to "\[z-a\]"
+        // split where the last [ was, make sure we don't have
+        // an invalid re. if so, re-walk the contents of the
+        // would-be class to re-translate any characters that
+        // were passed through as-is
+        // TODO: It would probably be faster to determine this
+        // without a try/catch and a new RegExp, but it's tricky
+        // to do safely.  For now, this is safe and works.
+        var cs = pattern.substring(classStart + 1, i)
+        try {
+          RegExp('[' + cs + ']')
+        } catch (er) {
+          // not a valid class!
+          var sp = this.parse(cs, SUBPARSE)
+          re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]'
+          hasMagic = hasMagic || sp[1]
+          inClass = false
+          continue
+        }
+
+        // finish up the class.
+        hasMagic = true
+        inClass = false
+        re += c
+      continue
+
+      default:
+        // swallow any state char that wasn't consumed
+        clearStateChar()
+
+        if (escaping) {
+          // no need
+          escaping = false
+        } else if (reSpecials[c]
+          && !(c === '^' && inClass)) {
+          re += '\\'
+        }
+
+        re += c
+
+    } // switch
+  } // for
+
+  // handle the case where we left a class open.
+  // "[abc" is valid, equivalent to "\[abc"
+  if (inClass) {
+    // split where the last [ was, and escape it
+    // this is a huge pita.  We now have to re-walk
+    // the contents of the would-be class to re-translate
+    // any characters that were passed through as-is
+    cs = pattern.substr(classStart + 1)
+    sp = this.parse(cs, SUBPARSE)
+    re = re.substr(0, reClassStart) + '\\[' + sp[0]
+    hasMagic = hasMagic || sp[1]
+  }
+
+  // handle the case where we had a +( thing at the *end*
+  // of the pattern.
+  // each pattern list stack adds 3 chars, and we need to go through
+  // and escape any | chars that were passed through as-is for the regexp.
+  // Go through and escape them, taking care not to double-escape any
+  // | chars that were already escaped.
+  for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) {
+    var tail = re.slice(pl.reStart + pl.open.length)
+    this.debug('setting tail', re, pl)
+    // maybe some even number of \, then maybe 1 \, followed by a |
+    tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) {
+      if (!$2) {
+        // the | isn't already escaped, so escape it.
+        $2 = '\\'
+      }
+
+      // need to escape all those slashes *again*, without escaping the
+      // one that we need for escaping the | character.  As it works out,
+      // escaping an even number of slashes can be done by simply repeating
+      // it exactly after itself.  That's why this trick works.
+      //
+      // I am sorry that you have to see this.
+      return $1 + $1 + $2 + '|'
+    })
+
+    this.debug('tail=%j\n   %s', tail, tail, pl, re)
+    var t = pl.type === '*' ? star
+      : pl.type === '?' ? qmark
+      : '\\' + pl.type
+
+    hasMagic = true
+    re = re.slice(0, pl.reStart) + t + '\\(' + tail
+  }
+
+  // handle trailing things that only matter at the very end.
+  clearStateChar()
+  if (escaping) {
+    // trailing \\
+    re += '\\\\'
+  }
+
+  // only need to apply the nodot start if the re starts with
+  // something that could conceivably capture a dot
+  var addPatternStart = false
+  switch (re.charAt(0)) {
+    case '[': case '.': case '(': addPatternStart = true
+  }
+
+  // Hack to work around lack of negative lookbehind in JS
+  // A pattern like: *.!(x).!(y|z) needs to ensure that a name
+  // like 'a.xyz.yz' doesn't match.  So, the first negative
+  // lookahead, has to look ALL the way ahead, to the end of
+  // the pattern.
+  for (var n = negativeLists.length - 1; n > -1; n--) {
+    var nl = negativeLists[n]
+
+    var nlBefore = re.slice(0, nl.reStart)
+    var nlFirst = re.slice(nl.reStart, nl.reEnd - 8)
+    var nlLast = re.slice(nl.reEnd - 8, nl.reEnd)
+    var nlAfter = re.slice(nl.reEnd)
+
+    nlLast += nlAfter
+
+    // Handle nested stuff like *(*.js|!(*.json)), where open parens
+    // mean that we should *not* include the ) in the bit that is considered
+    // "after" the negated section.
+    var openParensBefore = nlBefore.split('(').length - 1
+    var cleanAfter = nlAfter
+    for (i = 0; i < openParensBefore; i++) {
+      cleanAfter = cleanAfter.replace(/\)[+*?]?/, '')
+    }
+    nlAfter = cleanAfter
+
+    var dollar = ''
+    if (nlAfter === '' && isSub !== SUBPARSE) {
+      dollar = '$'
+    }
+    var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast
+    re = newRe
+  }
+
+  // if the re is not "" at this point, then we need to make sure
+  // it doesn't match against an empty path part.
+  // Otherwise a/* will match a/, which it should not.
+  if (re !== '' && hasMagic) {
+    re = '(?=.)' + re
+  }
+
+  if (addPatternStart) {
+    re = patternStart + re
+  }
+
+  // parsing just a piece of a larger pattern.
+  if (isSub === SUBPARSE) {
+    return [re, hasMagic]
+  }
+
+  // skip the regexp for non-magical patterns
+  // unescape anything in it, though, so that it'll be
+  // an exact match against a file etc.
+  if (!hasMagic) {
+    return globUnescape(pattern)
+  }
+
+  var flags = options.nocase ? 'i' : ''
+  try {
+    var regExp = new RegExp('^' + re + '$', flags)
+  } catch (er) /* istanbul ignore next - should be impossible */ {
+    // If it was an invalid regular expression, then it can't match
+    // anything.  This trick looks for a character after the end of
+    // the string, which is of course impossible, except in multi-line
+    // mode, but it's not a /m regex.
+    return new RegExp('$.')
+  }
+
+  regExp._glob = pattern
+  regExp._src = re
+
+  return regExp
+}
+
+minimatch.makeRe = function (pattern, options) {
+  return new Minimatch(pattern, options || {}).makeRe()
+}
+
+Minimatch.prototype.makeRe = makeRe
+function makeRe () {
+  if (this.regexp || this.regexp === false) return this.regexp
+
+  // at this point, this.set is a 2d array of partial
+  // pattern strings, or "**".
+  //
+  // It's better to use .match().  This function shouldn't
+  // be used, really, but it's pretty convenient sometimes,
+  // when you just want to work with a regex.
+  var set = this.set
+
+  if (!set.length) {
+    this.regexp = false
+    return this.regexp
+  }
+  var options = this.options
+
+  var twoStar = options.noglobstar ? star
+    : options.dot ? twoStarDot
+    : twoStarNoDot
+  var flags = options.nocase ? 'i' : ''
+
+  var re = set.map(function (pattern) {
+    return pattern.map(function (p) {
+      return (p === GLOBSTAR) ? twoStar
+      : (typeof p === 'string') ? regExpEscape(p)
+      : p._src
+    }).join('\\\/')
+  }).join('|')
+
+  // must match entire pattern
+  // ending in a * or ** will make it less strict.
+  re = '^(?:' + re + ')$'
+
+  // can match anything, as long as it's not this.
+  if (this.negate) re = '^(?!' + re + ').*$'
+
+  try {
+    this.regexp = new RegExp(re, flags)
+  } catch (ex) /* istanbul ignore next - should be impossible */ {
+    this.regexp = false
+  }
+  return this.regexp
+}
+
+minimatch.match = function (list, pattern, options) {
+  options = options || {}
+  var mm = new Minimatch(pattern, options)
+  list = list.filter(function (f) {
+    return mm.match(f)
+  })
+  if (mm.options.nonull && !list.length) {
+    list.push(pattern)
+  }
+  return list
+}
+
+Minimatch.prototype.match = function match (f, partial) {
+  if (typeof partial === 'undefined') partial = this.partial
+  this.debug('match', f, this.pattern)
+  // short-circuit in the case of busted things.
+  // comments, etc.
+  if (this.comment) return false
+  if (this.empty) return f === ''
+
+  if (f === '/' && partial) return true
+
+  var options = this.options
+
+  // windows: need to use /, not \
+  if (path.sep !== '/') {
+    f = f.split(path.sep).join('/')
+  }
+
+  // treat the test path as a set of pathparts.
+  f = f.split(slashSplit)
+  this.debug(this.pattern, 'split', f)
+
+  // just ONE of the pattern sets in this.set needs to match
+  // in order for it to be valid.  If negating, then just one
+  // match means that we have failed.
+  // Either way, return on the first hit.
+
+  var set = this.set
+  this.debug(this.pattern, 'set', set)
+
+  // Find the basename of the path by looking for the last non-empty segment
+  var filename
+  var i
+  for (i = f.length - 1; i >= 0; i--) {
+    filename = f[i]
+    if (filename) break
+  }
+
+  for (i = 0; i < set.length; i++) {
+    var pattern = set[i]
+    var file = f
+    if (options.matchBase && pattern.length === 1) {
+      file = [filename]
+    }
+    var hit = this.matchOne(file, pattern, partial)
+    if (hit) {
+      if (options.flipNegate) return true
+      return !this.negate
+    }
+  }
+
+  // didn't get any hits.  this is success if it's a negative
+  // pattern, failure otherwise.
+  if (options.flipNegate) return false
+  return this.negate
+}
+
+// set partial to true to test if, for example,
+// "/a/b" matches the start of "/*/b/*/d"
+// Partial means, if you run out of file before you run
+// out of pattern, then that's fine, as long as all
+// the parts match.
+Minimatch.prototype.matchOne = function (file, pattern, partial) {
+  var options = this.options
+
+  this.debug('matchOne',
+    { 'this': this, file: file, pattern: pattern })
+
+  this.debug('matchOne', file.length, pattern.length)
+
+  for (var fi = 0,
+      pi = 0,
+      fl = file.length,
+      pl = pattern.length
+      ; (fi < fl) && (pi < pl)
+      ; fi++, pi++) {
+    this.debug('matchOne loop')
+    var p = pattern[pi]
+    var f = file[fi]
+
+    this.debug(pattern, p, f)
+
+    // should be impossible.
+    // some invalid regexp stuff in the set.
+    /* istanbul ignore if */
+    if (p === false) return false
+
+    if (p === GLOBSTAR) {
+      this.debug('GLOBSTAR', [pattern, p, f])
+
+      // "**"
+      // a/**/b/**/c would match the following:
+      // a/b/x/y/z/c
+      // a/x/y/z/b/c
+      // a/b/x/b/x/c
+      // a/b/c
+      // To do this, take the rest of the pattern after
+      // the **, and see if it would match the file remainder.
+      // If so, return success.
+      // If not, the ** "swallows" a segment, and try again.
+      // This is recursively awful.
+      //
+      // a/**/b/**/c matching a/b/x/y/z/c
+      // - a matches a
+      // - doublestar
+      //   - matchOne(b/x/y/z/c, b/**/c)
+      //     - b matches b
+      //     - doublestar
+      //       - matchOne(x/y/z/c, c) -> no
+      //       - matchOne(y/z/c, c) -> no
+      //       - matchOne(z/c, c) -> no
+      //       - matchOne(c, c) yes, hit
+      var fr = fi
+      var pr = pi + 1
+      if (pr === pl) {
+        this.debug('** at the end')
+        // a ** at the end will just swallow the rest.
+        // We have found a match.
+        // however, it will not swallow /.x, unless
+        // options.dot is set.
+        // . and .. are *never* matched by **, for explosively
+        // exponential reasons.
+        for (; fi < fl; fi++) {
+          if (file[fi] === '.' || file[fi] === '..' ||
+            (!options.dot && file[fi].charAt(0) === '.')) return false
+        }
+        return true
+      }
+
+      // ok, let's see if we can swallow whatever we can.
+      while (fr < fl) {
+        var swallowee = file[fr]
+
+        this.debug('\nglobstar while', file, fr, pattern, pr, swallowee)
+
+        // XXX remove this slice.  Just pass the start index.
+        if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
+          this.debug('globstar found match!', fr, fl, swallowee)
+          // found a match.
+          return true
+        } else {
+          // can't swallow "." or ".." ever.
+          // can only swallow ".foo" when explicitly asked.
+          if (swallowee === '.' || swallowee === '..' ||
+            (!options.dot && swallowee.charAt(0) === '.')) {
+            this.debug('dot detected!', file, fr, pattern, pr)
+            break
+          }
+
+          // ** swallows a segment, and continue.
+          this.debug('globstar swallow a segment, and continue')
+          fr++
+        }
+      }
+
+      // no match was found.
+      // However, in partial mode, we can't say this is necessarily over.
+      // If there's more *pattern* left, then
+      /* istanbul ignore if */
+      if (partial) {
+        // ran out of file
+        this.debug('\n>>> no match, partial?', file, fr, pattern, pr)
+        if (fr === fl) return true
+      }
+      return false
+    }
+
+    // something other than **
+    // non-magic patterns just have to match exactly
+    // patterns with magic have been turned into regexps.
+    var hit
+    if (typeof p === 'string') {
+      hit = f === p
+      this.debug('string match', p, f, hit)
+    } else {
+      hit = f.match(p)
+      this.debug('pattern match', p, f, hit)
+    }
+
+    if (!hit) return false
+  }
+
+  // Note: ending in / means that we'll get a final ""
+  // at the end of the pattern.  This can only match a
+  // corresponding "" at the end of the file.
+  // If the file ends in /, then it can only match a
+  // a pattern that ends in /, unless the pattern just
+  // doesn't have any more for it. But, a/b/ should *not*
+  // match "a/b/*", even though "" matches against the
+  // [^/]*? pattern, except in partial mode, where it might
+  // simply not be reached yet.
+  // However, a/b/ should still satisfy a/*
+
+  // now either we fell off the end of the pattern, or we're done.
+  if (fi === fl && pi === pl) {
+    // ran out of pattern and filename at the same time.
+    // an exact hit!
+    return true
+  } else if (fi === fl) {
+    // ran out of file, but still had pattern left.
+    // this is ok if we're doing the match as part of
+    // a glob fs traversal.
+    return partial
+  } else /* istanbul ignore else */ if (pi === pl) {
+    // ran out of pattern, still have file left.
+    // this is only acceptable if we're on the very last
+    // empty segment of a file with a trailing slash.
+    // a/* should match a/b/
+    return (fi === fl - 1) && (file[fi] === '')
+  }
+
+  // should be unreachable.
+  /* istanbul ignore next */
+  throw new Error('wtf?')
+}
+
+// replace stuff like \* with *
+function globUnescape (s) {
+  return s.replace(/\\(.)/g, '$1')
+}
+
+function regExpEscape (s) {
+  return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
+}
diff --git a/node_modules/minimatch/package.json b/node_modules/minimatch/package.json
new file mode 100644
index 00000000..566efdfe
--- /dev/null
+++ b/node_modules/minimatch/package.json
@@ -0,0 +1,33 @@
+{
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
+  "name": "minimatch",
+  "description": "a glob matcher in javascript",
+  "version": "3.1.2",
+  "publishConfig": {
+    "tag": "v3-legacy"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/minimatch.git"
+  },
+  "main": "minimatch.js",
+  "scripts": {
+    "test": "tap",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags"
+  },
+  "engines": {
+    "node": "*"
+  },
+  "dependencies": {
+    "brace-expansion": "^1.1.7"
+  },
+  "devDependencies": {
+    "tap": "^15.1.6"
+  },
+  "license": "ISC",
+  "files": [
+    "minimatch.js"
+  ]
+}
diff --git a/node_modules/minimist/.eslintrc b/node_modules/minimist/.eslintrc
new file mode 100644
index 00000000..bd1a5e04
--- /dev/null
+++ b/node_modules/minimist/.eslintrc
@@ -0,0 +1,29 @@
+{
+	"root": true,
+
+	"extends": "@ljharb/eslint-config/node/0.4",
+
+	"rules": {
+		"array-element-newline": 0,
+		"complexity": 0,
+		"func-style": [2, "declaration"],
+		"max-lines-per-function": 0,
+		"max-nested-callbacks": 1,
+		"max-statements-per-line": 1,
+		"max-statements": 0,
+		"multiline-comment-style": 0,
+		"no-continue": 1,
+		"no-param-reassign": 1,
+		"no-restricted-syntax": 1,
+		"object-curly-newline": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"camelcase": 0,
+			},
+		},
+	]
+}
diff --git a/node_modules/minimist/.github/FUNDING.yml b/node_modules/minimist/.github/FUNDING.yml
new file mode 100644
index 00000000..a9366222
--- /dev/null
+++ b/node_modules/minimist/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/minimist
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/minimist/.nycrc b/node_modules/minimist/.nycrc
new file mode 100644
index 00000000..55c3d293
--- /dev/null
+++ b/node_modules/minimist/.nycrc
@@ -0,0 +1,14 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"example",
+		"test"
+	]
+}
diff --git a/node_modules/minimist/CHANGELOG.md b/node_modules/minimist/CHANGELOG.md
new file mode 100644
index 00000000..c9a1e15e
--- /dev/null
+++ b/node_modules/minimist/CHANGELOG.md
@@ -0,0 +1,298 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.8](https://github.com/minimistjs/minimist/compare/v1.2.7...v1.2.8) - 2023-02-09
+
+### Merged
+
+- [Fix] Fix long option followed by single dash [`#17`](https://github.com/minimistjs/minimist/pull/17)
+- [Tests] Remove duplicate test [`#12`](https://github.com/minimistjs/minimist/pull/12)
+- [Fix] opt.string works with multiple aliases [`#10`](https://github.com/minimistjs/minimist/pull/10)
+
+### Fixed
+
+- [Fix] Fix long option followed by single dash (#17) [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Tests] Remove duplicate test (#12) [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] Fix long option followed by single dash [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Fix] opt.string works with multiple aliases (#10) [`#9`](https://github.com/minimistjs/minimist/issues/9)
+- [Fix] Fix handling of short option with non-trivial equals [`#5`](https://github.com/minimistjs/minimist/issues/5)
+- [Tests] Remove duplicate test [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] opt.string works with multiple aliases [`#9`](https://github.com/minimistjs/minimist/issues/9)
+
+### Commits
+
+- Merge tag 'v0.2.3' [`a026794`](https://github.com/minimistjs/minimist/commit/a0267947c7870fc5847cf2d437fbe33f392767da)
+- [eslint] fix indentation and whitespace [`5368ca4`](https://github.com/minimistjs/minimist/commit/5368ca4147e974138a54cc0dc4cea8f756546b70)
+- [eslint] fix indentation and whitespace [`e5f5067`](https://github.com/minimistjs/minimist/commit/e5f5067259ceeaf0b098d14bec910f87e58708c7)
+- [eslint] more cleanup [`62fde7d`](https://github.com/minimistjs/minimist/commit/62fde7d935f83417fb046741531a9e2346a36976)
+- [eslint] more cleanup [`36ac5d0`](https://github.com/minimistjs/minimist/commit/36ac5d0d95e4947d074e5737d94814034ca335d1)
+- [meta] add `auto-changelog` [`73923d2`](https://github.com/minimistjs/minimist/commit/73923d223553fca08b1ba77e3fbc2a492862ae4c)
+- [actions] add reusable workflows [`d80727d`](https://github.com/minimistjs/minimist/commit/d80727df77bfa9e631044d7f16368d8f09242c91)
+- [eslint] add eslint; rules to enable later are warnings [`48bc06a`](https://github.com/minimistjs/minimist/commit/48bc06a1b41f00e9cdf183db34f7a51ba70e98d4)
+- [eslint] fix indentation [`34b0f1c`](https://github.com/minimistjs/minimist/commit/34b0f1ccaa45183c3c4f06a91f9b405180a6f982)
+- [readme] rename and add badges [`5df0fe4`](https://github.com/minimistjs/minimist/commit/5df0fe49211bd09a3636f8686a7cb3012c3e98f0)
+- [Dev Deps] switch from `covert` to `nyc` [`a48b128`](https://github.com/minimistjs/minimist/commit/a48b128fdb8d427dfb20a15273f83e38d97bef07)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`f0fb958`](https://github.com/minimistjs/minimist/commit/f0fb958e9a1fe980cdffc436a211b0bda58f621b)
+- [meta] create FUNDING.yml; add `funding` in package.json [`3639e0c`](https://github.com/minimistjs/minimist/commit/3639e0c819359a366387e425ab6eabf4c78d3caa)
+- [meta] use `npmignore` to autogenerate an npmignore file [`be2e038`](https://github.com/minimistjs/minimist/commit/be2e038c342d8333b32f0fde67a0026b79c8150e)
+- Only apps should have lockfiles [`282b570`](https://github.com/minimistjs/minimist/commit/282b570e7489d01b03f2d6d3dabf79cd3e5f84cf)
+- isConstructorOrProto adapted from PR [`ef9153f`](https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`098873c`](https://github.com/minimistjs/minimist/commit/098873c213cdb7c92e55ae1ef5aa1af3a8192a79)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`3124ed3`](https://github.com/minimistjs/minimist/commit/3124ed3e46306301ebb3c834874ce0241555c2c4)
+- [meta] add `safe-publish-latest` [`4b927de`](https://github.com/minimistjs/minimist/commit/4b927de696d561c636b4f43bf49d4597cb36d6d6)
+- [Tests] add `aud` in `posttest` [`b32d9bd`](https://github.com/minimistjs/minimist/commit/b32d9bd0ab340f4e9f8c3a97ff2a4424f25fab8c)
+- [meta] update repo URLs [`f9fdfc0`](https://github.com/minimistjs/minimist/commit/f9fdfc032c54884d9a9996a390c63cd0719bbe1a)
+- [actions] Avoid 0.6 tests due to build failures [`ba92fe6`](https://github.com/minimistjs/minimist/commit/ba92fe6ebbdc0431cca9a2ea8f27beb492f5e4ec)
+- [Dev Deps] update `tape` [`950eaa7`](https://github.com/minimistjs/minimist/commit/950eaa74f112e04d23e9c606c67472c46739b473)
+- [Dev Deps] add missing `npmignore` dev dep [`3226afa`](https://github.com/minimistjs/minimist/commit/3226afaf09e9d127ca369742437fe6e88f752d6b)
+- Merge tag 'v0.2.2' [`980d7ac`](https://github.com/minimistjs/minimist/commit/980d7ac61a0b4bd552711251ac107d506b23e41f)
+
+## [v1.2.7](https://github.com/minimistjs/minimist/compare/v1.2.6...v1.2.7) - 2022-10-10
+
+### Commits
+
+- [meta] add `auto-changelog` [`0ebf4eb`](https://github.com/minimistjs/minimist/commit/0ebf4ebcd5f7787a5524d31a849ef41316b83c3c)
+- [actions] add reusable workflows [`e115b63`](https://github.com/minimistjs/minimist/commit/e115b63fa9d3909f33b00a2db647ff79068388de)
+- [eslint] add eslint; rules to enable later are warnings [`f58745b`](https://github.com/minimistjs/minimist/commit/f58745b9bb84348e1be72af7dbba5840c7c13013)
+- [Dev Deps] switch from `covert` to `nyc` [`ab03356`](https://github.com/minimistjs/minimist/commit/ab033567b9c8b31117cb026dc7f1e592ce455c65)
+- [readme] rename and add badges [`236f4a0`](https://github.com/minimistjs/minimist/commit/236f4a07e4ebe5ee44f1496ec6974991ab293ffd)
+- [meta] create FUNDING.yml; add `funding` in package.json [`783a49b`](https://github.com/minimistjs/minimist/commit/783a49bfd47e8335d3098a8cac75662cf71eb32a)
+- [meta] use `npmignore` to autogenerate an npmignore file [`f81ece6`](https://github.com/minimistjs/minimist/commit/f81ece6aaec2fa14e69ff4f1e0407a8c4e2635a2)
+- Only apps should have lockfiles [`56cad44`](https://github.com/minimistjs/minimist/commit/56cad44c7f879b9bb5ec18fcc349308024a89bfc)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`49c5f9f`](https://github.com/minimistjs/minimist/commit/49c5f9fb7e6a92db9eb340cc679de92fb3aacded)
+- [Tests] add `aud` in `posttest` [`228ae93`](https://github.com/minimistjs/minimist/commit/228ae938f3cd9db9dfd8bd7458b076a7b2aef280)
+- [meta] add `safe-publish-latest` [`01fc23f`](https://github.com/minimistjs/minimist/commit/01fc23f5104f85c75059972e01dd33796ab529ff)
+- [meta] update repo URLs [`6b164c7`](https://github.com/minimistjs/minimist/commit/6b164c7d68e0b6bf32f894699effdfb7c63041dd)
+
+## [v1.2.6](https://github.com/minimistjs/minimist/compare/v1.2.5...v1.2.6) - 2022-03-21
+
+### Commits
+
+- test from prototype pollution PR [`bc8ecee`](https://github.com/minimistjs/minimist/commit/bc8ecee43875261f4f17eb20b1243d3ed15e70eb)
+- isConstructorOrProto adapted from PR [`c2b9819`](https://github.com/minimistjs/minimist/commit/c2b981977fa834b223b408cfb860f933c9811e4d)
+- security notice for additional prototype pollution issue [`ef88b93`](https://github.com/minimistjs/minimist/commit/ef88b9325f77b5ee643ccfc97e2ebda577e4c4e2)
+
+## [v1.2.5](https://github.com/minimistjs/minimist/compare/v1.2.4...v1.2.5) - 2020-03-12
+
+## [v1.2.4](https://github.com/minimistjs/minimist/compare/v1.2.3...v1.2.4) - 2020-03-11
+
+### Commits
+
+- security notice [`4cf1354`](https://github.com/minimistjs/minimist/commit/4cf1354839cb972e38496d35e12f806eea92c11f)
+- additional test for constructor prototype pollution [`1043d21`](https://github.com/minimistjs/minimist/commit/1043d212c3caaf871966e710f52cfdf02f9eea4b)
+
+## [v1.2.3](https://github.com/minimistjs/minimist/compare/v1.2.2...v1.2.3) - 2020-03-10
+
+### Commits
+
+- more failing proto pollution tests [`13c01a5`](https://github.com/minimistjs/minimist/commit/13c01a5327736903704984b7f65616b8476850cc)
+- even more aggressive checks for protocol pollution [`38a4d1c`](https://github.com/minimistjs/minimist/commit/38a4d1caead72ef99e824bb420a2528eec03d9ab)
+
+## [v1.2.2](https://github.com/minimistjs/minimist/compare/v1.2.1...v1.2.2) - 2020-03-10
+
+### Commits
+
+- failing test for protocol pollution [`0efed03`](https://github.com/minimistjs/minimist/commit/0efed0340ec8433638758f7ca0c77cb20a0bfbab)
+- cleanup [`67d3722`](https://github.com/minimistjs/minimist/commit/67d3722413448d00a62963d2d30c34656a92d7e2)
+- console.dir -&gt; console.log [`47acf72`](https://github.com/minimistjs/minimist/commit/47acf72c715a630bf9ea013867f47f1dd69dfc54)
+- don't assign onto __proto__ [`63e7ed0`](https://github.com/minimistjs/minimist/commit/63e7ed05aa4b1889ec2f3b196426db4500cbda94)
+
+## [v1.2.1](https://github.com/minimistjs/minimist/compare/v1.2.0...v1.2.1) - 2020-03-10
+
+### Merged
+
+- move the `opts['--']` example back where it belongs [`#63`](https://github.com/minimistjs/minimist/pull/63)
+
+### Commits
+
+- add test [`6be5dae`](https://github.com/minimistjs/minimist/commit/6be5dae35a32a987bcf4137fcd6c19c5200ee909)
+- fix bad boolean regexp [`ac3fc79`](https://github.com/minimistjs/minimist/commit/ac3fc796e63b95128fdbdf67ea7fad71bd59aa76)
+
+## [v1.2.0](https://github.com/minimistjs/minimist/compare/v1.1.3...v1.2.0) - 2015-08-24
+
+### Commits
+
+- failing -k=v short test [`63416b8`](https://github.com/minimistjs/minimist/commit/63416b8cd1d0d70e4714564cce465a36e4dd26d7)
+- kv short fix [`6bbe145`](https://github.com/minimistjs/minimist/commit/6bbe14529166245e86424f220a2321442fe88dc3)
+- failing kv short test [`f72ab7f`](https://github.com/minimistjs/minimist/commit/f72ab7f4572adc52902c9b6873cc969192f01b10)
+- fixed kv test [`f5a48c3`](https://github.com/minimistjs/minimist/commit/f5a48c3e50e40ca54f00c8e84de4b4d6e9897fa8)
+- enforce space between arg key and value [`86b321a`](https://github.com/minimistjs/minimist/commit/86b321affe648a8e016c095a4f0efa9d9074f502)
+
+## [v1.1.3](https://github.com/minimistjs/minimist/compare/v1.1.2...v1.1.3) - 2015-08-06
+
+### Commits
+
+- add failing test - boolean alias array [`0fa3c5b`](https://github.com/minimistjs/minimist/commit/0fa3c5b3dd98551ddecf5392831b4c21211743fc)
+- fix boolean values with multiple aliases [`9c0a6e7`](https://github.com/minimistjs/minimist/commit/9c0a6e7de25a273b11bbf9a7464f0bd833779795)
+
+## [v1.1.2](https://github.com/minimistjs/minimist/compare/v1.1.1...v1.1.2) - 2015-07-22
+
+### Commits
+
+- Convert boolean arguments to boolean values [`8f3dc27`](https://github.com/minimistjs/minimist/commit/8f3dc27cf833f1d54671b6d0bcb55c2fe19672a9)
+- use non-ancient npm, node 0.12 and iojs [`61ed1d0`](https://github.com/minimistjs/minimist/commit/61ed1d034b9ec7282764ce76f3992b1a0b4906ae)
+- an older npm for 0.8 [`25cf778`](https://github.com/minimistjs/minimist/commit/25cf778b1220e7838a526832ad6972f75244054f)
+
+## [v1.1.1](https://github.com/minimistjs/minimist/compare/v1.1.0...v1.1.1) - 2015-03-10
+
+### Commits
+
+- check that they type of a value is a boolean, not just that it is currently set to a boolean [`6863198`](https://github.com/minimistjs/minimist/commit/6863198e36139830ff1f20ffdceaddd93f2c1db9)
+- upgrade tape, fix type issues from old tape version [`806712d`](https://github.com/minimistjs/minimist/commit/806712df91604ed02b8e39aa372b84aea659ee34)
+- test for setting a boolean to a null default [`8c444fe`](https://github.com/minimistjs/minimist/commit/8c444fe89384ded7d441c120915ea60620b01dd3)
+- if the previous value was a boolean, without an default (or with an alias) don't make an array either [`e5f419a`](https://github.com/minimistjs/minimist/commit/e5f419a3b5b3bc3f9e5ac71b7040621af70ed2dd)
+
+## [v1.1.0](https://github.com/minimistjs/minimist/compare/v1.0.0...v1.1.0) - 2014-08-10
+
+### Commits
+
+- add support for handling "unknown" options not registered with the parser. [`6f3cc5d`](https://github.com/minimistjs/minimist/commit/6f3cc5d4e84524932a6ef2ce3592acc67cdd4383)
+- reformat package.json [`02ed371`](https://github.com/minimistjs/minimist/commit/02ed37115194d3697ff358e8e25e5e66bab1d9f8)
+- coverage script [`e5531ba`](https://github.com/minimistjs/minimist/commit/e5531ba0479da3b8138d3d8cac545d84ccb1c8df)
+- extra fn to get 100% coverage again [`a6972da`](https://github.com/minimistjs/minimist/commit/a6972da89e56bf77642f8ec05a13b6558db93498)
+
+## [v1.0.0](https://github.com/minimistjs/minimist/compare/v0.2.3...v1.0.0) - 2014-08-10
+
+### Commits
+
+- added stopEarly option [`471c7e4`](https://github.com/minimistjs/minimist/commit/471c7e4a7e910fc7ad8f9df850a186daf32c64e9)
+- fix list [`fef6ae7`](https://github.com/minimistjs/minimist/commit/fef6ae79c38b9dc1c49569abb7cd04eb965eac5e)
+
+## [v0.2.3](https://github.com/minimistjs/minimist/compare/v0.2.2...v0.2.3) - 2023-02-09
+
+### Merged
+
+- [Fix] Fix long option followed by single dash [`#17`](https://github.com/minimistjs/minimist/pull/17)
+- [Tests] Remove duplicate test [`#12`](https://github.com/minimistjs/minimist/pull/12)
+- [Fix] opt.string works with multiple aliases [`#10`](https://github.com/minimistjs/minimist/pull/10)
+
+### Fixed
+
+- [Fix] Fix long option followed by single dash (#17) [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Tests] Remove duplicate test (#12) [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] opt.string works with multiple aliases (#10) [`#9`](https://github.com/minimistjs/minimist/issues/9)
+
+### Commits
+
+- [eslint] fix indentation and whitespace [`e5f5067`](https://github.com/minimistjs/minimist/commit/e5f5067259ceeaf0b098d14bec910f87e58708c7)
+- [eslint] more cleanup [`36ac5d0`](https://github.com/minimistjs/minimist/commit/36ac5d0d95e4947d074e5737d94814034ca335d1)
+- [eslint] fix indentation [`34b0f1c`](https://github.com/minimistjs/minimist/commit/34b0f1ccaa45183c3c4f06a91f9b405180a6f982)
+- isConstructorOrProto adapted from PR [`ef9153f`](https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`098873c`](https://github.com/minimistjs/minimist/commit/098873c213cdb7c92e55ae1ef5aa1af3a8192a79)
+- [Dev Deps] add missing `npmignore` dev dep [`3226afa`](https://github.com/minimistjs/minimist/commit/3226afaf09e9d127ca369742437fe6e88f752d6b)
+
+## [v0.2.2](https://github.com/minimistjs/minimist/compare/v0.2.1...v0.2.2) - 2022-10-10
+
+### Commits
+
+- [meta] add `auto-changelog` [`73923d2`](https://github.com/minimistjs/minimist/commit/73923d223553fca08b1ba77e3fbc2a492862ae4c)
+- [actions] add reusable workflows [`d80727d`](https://github.com/minimistjs/minimist/commit/d80727df77bfa9e631044d7f16368d8f09242c91)
+- [eslint] add eslint; rules to enable later are warnings [`48bc06a`](https://github.com/minimistjs/minimist/commit/48bc06a1b41f00e9cdf183db34f7a51ba70e98d4)
+- [readme] rename and add badges [`5df0fe4`](https://github.com/minimistjs/minimist/commit/5df0fe49211bd09a3636f8686a7cb3012c3e98f0)
+- [Dev Deps] switch from `covert` to `nyc` [`a48b128`](https://github.com/minimistjs/minimist/commit/a48b128fdb8d427dfb20a15273f83e38d97bef07)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`f0fb958`](https://github.com/minimistjs/minimist/commit/f0fb958e9a1fe980cdffc436a211b0bda58f621b)
+- [meta] create FUNDING.yml; add `funding` in package.json [`3639e0c`](https://github.com/minimistjs/minimist/commit/3639e0c819359a366387e425ab6eabf4c78d3caa)
+- [meta] use `npmignore` to autogenerate an npmignore file [`be2e038`](https://github.com/minimistjs/minimist/commit/be2e038c342d8333b32f0fde67a0026b79c8150e)
+- Only apps should have lockfiles [`282b570`](https://github.com/minimistjs/minimist/commit/282b570e7489d01b03f2d6d3dabf79cd3e5f84cf)
+- [meta] add `safe-publish-latest` [`4b927de`](https://github.com/minimistjs/minimist/commit/4b927de696d561c636b4f43bf49d4597cb36d6d6)
+- [Tests] add `aud` in `posttest` [`b32d9bd`](https://github.com/minimistjs/minimist/commit/b32d9bd0ab340f4e9f8c3a97ff2a4424f25fab8c)
+- [meta] update repo URLs [`f9fdfc0`](https://github.com/minimistjs/minimist/commit/f9fdfc032c54884d9a9996a390c63cd0719bbe1a)
+
+## [v0.2.1](https://github.com/minimistjs/minimist/compare/v0.2.0...v0.2.1) - 2020-03-12
+
+## [v0.2.0](https://github.com/minimistjs/minimist/compare/v0.1.0...v0.2.0) - 2014-06-19
+
+### Commits
+
+- support all-boolean mode [`450a97f`](https://github.com/minimistjs/minimist/commit/450a97f6e2bc85c7a4a13185c19a818d9a5ebe69)
+
+## [v0.1.0](https://github.com/minimistjs/minimist/compare/v0.0.10...v0.1.0) - 2014-05-12
+
+### Commits
+
+- Provide a mechanism to segregate -- arguments [`ce4a1e6`](https://github.com/minimistjs/minimist/commit/ce4a1e63a7e8d5ab88d2a3768adefa6af98a445a)
+- documented argv['--'] [`14db0e6`](https://github.com/minimistjs/minimist/commit/14db0e6dbc6d2b9e472adaa54dad7004b364634f)
+- Adding a test-case for notFlags segregation [`715c1e3`](https://github.com/minimistjs/minimist/commit/715c1e3714be223f998f6c537af6b505f0236c16)
+
+## [v0.0.10](https://github.com/minimistjs/minimist/compare/v0.0.9...v0.0.10) - 2014-05-11
+
+### Commits
+
+- dedicated boolean test [`46e448f`](https://github.com/minimistjs/minimist/commit/46e448f9f513cfeb2bcc8b688b9b47ba1e515c2b)
+- dedicated num test [`9bf2d36`](https://github.com/minimistjs/minimist/commit/9bf2d36f1d3b8795be90b8f7de0a937f098aa394)
+- aliased values treated as strings [`1ab743b`](https://github.com/minimistjs/minimist/commit/1ab743bad4484d69f1259bed42f9531de01119de)
+- cover the case of already numbers, at 100% coverage [`b2bb044`](https://github.com/minimistjs/minimist/commit/b2bb04436599d77a2ce029e8e555e25b3aa55d13)
+- another test for higher coverage [`3662624`](https://github.com/minimistjs/minimist/commit/3662624be976d5489d486a856849c048d13be903)
+
+## [v0.0.9](https://github.com/minimistjs/minimist/compare/v0.0.8...v0.0.9) - 2014-05-08
+
+### Commits
+
+- Eliminate `longest` fn. [`824f642`](https://github.com/minimistjs/minimist/commit/824f642038d1b02ede68b6261d1d65163390929a)
+
+## [v0.0.8](https://github.com/minimistjs/minimist/compare/v0.0.7...v0.0.8) - 2014-02-20
+
+### Commits
+
+- return '' if flag is string and empty [`fa63ed4`](https://github.com/minimistjs/minimist/commit/fa63ed4651a4ef4eefddce34188e0d98d745a263)
+- handle joined single letters [`66c248f`](https://github.com/minimistjs/minimist/commit/66c248f0241d4d421d193b022e9e365f11178534)
+
+## [v0.0.7](https://github.com/minimistjs/minimist/compare/v0.0.6...v0.0.7) - 2014-02-08
+
+### Commits
+
+- another swap of .test for .match [`d1da408`](https://github.com/minimistjs/minimist/commit/d1da40819acbe846d89a5c02721211e3c1260dde)
+
+## [v0.0.6](https://github.com/minimistjs/minimist/compare/v0.0.5...v0.0.6) - 2014-02-08
+
+### Commits
+
+- use .test() instead of .match() to not crash on non-string values in the arguments array [`7e0d1ad`](https://github.com/minimistjs/minimist/commit/7e0d1add8c9e5b9b20a4d3d0f9a94d824c578da1)
+
+## [v0.0.5](https://github.com/minimistjs/minimist/compare/v0.0.4...v0.0.5) - 2013-09-18
+
+### Commits
+
+- Improve '--' handling. [`b11822c`](https://github.com/minimistjs/minimist/commit/b11822c09cc9d2460f30384d12afc0b953c037a4)
+
+## [v0.0.4](https://github.com/minimistjs/minimist/compare/v0.0.3...v0.0.4) - 2013-09-17
+
+## [v0.0.3](https://github.com/minimistjs/minimist/compare/v0.0.2...v0.0.3) - 2013-09-12
+
+### Commits
+
+- failing test for single dash preceeding a double dash [`b465514`](https://github.com/minimistjs/minimist/commit/b465514b82c9ae28972d714facd951deb2ad762b)
+- fix for the dot test [`6a095f1`](https://github.com/minimistjs/minimist/commit/6a095f1d364c8fab2d6753d2291a0649315d297a)
+
+## [v0.0.2](https://github.com/minimistjs/minimist/compare/v0.0.1...v0.0.2) - 2013-08-28
+
+### Commits
+
+- allow dotted aliases & defaults [`321c33e`](https://github.com/minimistjs/minimist/commit/321c33e755485faaeb44eeb1c05d33b2e0a5a7c4)
+- use a better version of ff [`e40f611`](https://github.com/minimistjs/minimist/commit/e40f61114cf7be6f7947f7b3eed345853a67dbbb)
+
+## [v0.0.1](https://github.com/minimistjs/minimist/compare/v0.0.0...v0.0.1) - 2013-06-25
+
+### Commits
+
+- remove trailing commas [`6ff0fa0`](https://github.com/minimistjs/minimist/commit/6ff0fa055064f15dbe06d50b89d5173a6796e1db)
+
+## v0.0.0 - 2013-06-25
+
+### Commits
+
+- half of the parse test ported [`3079326`](https://github.com/minimistjs/minimist/commit/307932601325087de6cf94188eb798ffc4f3088a)
+- stripped down code and a passing test from optimist [`7cced88`](https://github.com/minimistjs/minimist/commit/7cced88d82e399d1a03ed23eb667f04d3f320d10)
+- ported parse tests completely over [`9448754`](https://github.com/minimistjs/minimist/commit/944875452e0820df6830b1408c26a0f7d3e1db04)
+- docs, package.json [`a5bf46a`](https://github.com/minimistjs/minimist/commit/a5bf46ac9bb3bd114a9c340276c62c1091e538d5)
+- move more short tests into short.js [`503edb5`](https://github.com/minimistjs/minimist/commit/503edb5c41d89c0d40831ee517154fc13b0f18b9)
+- default bool test was wrong, not the code [`1b9f5db`](https://github.com/minimistjs/minimist/commit/1b9f5db4741b49962846081b68518de824992097)
+- passing long tests ripped out of parse.js [`7972c4a`](https://github.com/minimistjs/minimist/commit/7972c4aff1f4803079e1668006658e2a761a0428)
+- badges [`84c0370`](https://github.com/minimistjs/minimist/commit/84c037063664d42878aace715fe6572ce01b6f3b)
+- all the tests now ported, some failures [`64239ed`](https://github.com/minimistjs/minimist/commit/64239edfe92c711c4eb0da254fcdfad2a5fdb605)
+- failing short test [`f8a5341`](https://github.com/minimistjs/minimist/commit/f8a534112dd1138d2fad722def56a848480c446f)
+- fixed the numeric test [`6b034f3`](https://github.com/minimistjs/minimist/commit/6b034f37c79342c60083ed97fd222e16928aac51)
diff --git a/node_modules/minimist/LICENSE b/node_modules/minimist/LICENSE
new file mode 100644
index 00000000..ee27ba4b
--- /dev/null
+++ b/node_modules/minimist/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/minimist/README.md b/node_modules/minimist/README.md
new file mode 100644
index 00000000..74da3234
--- /dev/null
+++ b/node_modules/minimist/README.md
@@ -0,0 +1,121 @@
+# minimist <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+parse argument options
+
+This module is the guts of optimist's argument parser without all the
+fanciful decoration.
+
+# example
+
+``` js
+var argv = require('minimist')(process.argv.slice(2));
+console.log(argv);
+```
+
+```
+$ node example/parse.js -a beep -b boop
+{ _: [], a: 'beep', b: 'boop' }
+```
+
+```
+$ node example/parse.js -x 3 -y 4 -n5 -abc --beep=boop foo bar baz
+{
+	_: ['foo', 'bar', 'baz'],
+	x: 3,
+	y: 4,
+	n: 5,
+	a: true,
+	b: true,
+	c: true,
+	beep: 'boop'
+}
+```
+
+# security
+
+Previous versions had a prototype pollution bug that could cause privilege
+escalation in some circumstances when handling untrusted user input.
+
+Please use version 1.2.6 or later:
+
+* https://security.snyk.io/vuln/SNYK-JS-MINIMIST-2429795 (version <=1.2.5)
+* https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 (version <=1.2.3)
+
+# methods
+
+``` js
+var parseArgs = require('minimist')
+```
+
+## var argv = parseArgs(args, opts={})
+
+Return an argument object `argv` populated with the array arguments from `args`.
+
+`argv._` contains all the arguments that didn't have an option associated with
+them.
+
+Numeric-looking arguments will be returned as numbers unless `opts.string` or
+`opts.boolean` is set for that argument name.
+
+Any arguments after `'--'` will not be parsed and will end up in `argv._`.
+
+options can be:
+
+* `opts.string` - a string or array of strings argument names to always treat as
+strings
+* `opts.boolean` - a boolean, string or array of strings to always treat as
+booleans. if `true` will treat all double hyphenated arguments without equal signs
+as boolean (e.g. affects `--foo`, not `-f` or `--foo=bar`)
+* `opts.alias` - an object mapping string names to strings or arrays of string
+argument names to use as aliases
+* `opts.default` - an object mapping string argument names to default values
+* `opts.stopEarly` - when true, populate `argv._` with everything after the
+first non-option
+* `opts['--']` - when true, populate `argv._` with everything before the `--`
+and `argv['--']` with everything after the `--`. Here's an example:
+
+  ```
+  > require('./')('one two three -- four five --six'.split(' '), { '--': true })
+  {
+    _: ['one', 'two', 'three'],
+    '--': ['four', 'five', '--six']
+  }
+  ```
+
+  Note that with `opts['--']` set, parsing for arguments still stops after the
+  `--`.
+
+* `opts.unknown` - a function which is invoked with a command line parameter not
+defined in the `opts` configuration object. If the function returns `false`, the
+unknown option is not added to `argv`.
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install minimist
+```
+
+# license
+
+MIT
+
+[package-url]: https://npmjs.org/package/minimist
+[npm-version-svg]: https://versionbadg.es/minimistjs/minimist.svg
+[npm-badge-png]: https://nodei.co/npm/minimist.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/minimist.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/minimist.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=minimist
+[codecov-image]: https://codecov.io/gh/minimistjs/minimist/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/minimistjs/minimist/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/minimistjs/minimist
+[actions-url]: https://github.com/minimistjs/minimist/actions
diff --git a/node_modules/minimist/example/parse.js b/node_modules/minimist/example/parse.js
new file mode 100644
index 00000000..9d90ffb2
--- /dev/null
+++ b/node_modules/minimist/example/parse.js
@@ -0,0 +1,4 @@
+'use strict';
+
+var argv = require('../')(process.argv.slice(2));
+console.log(argv);
diff --git a/node_modules/minimist/index.js b/node_modules/minimist/index.js
new file mode 100644
index 00000000..f020f394
--- /dev/null
+++ b/node_modules/minimist/index.js
@@ -0,0 +1,263 @@
+'use strict';
+
+function hasKey(obj, keys) {
+	var o = obj;
+	keys.slice(0, -1).forEach(function (key) {
+		o = o[key] || {};
+	});
+
+	var key = keys[keys.length - 1];
+	return key in o;
+}
+
+function isNumber(x) {
+	if (typeof x === 'number') { return true; }
+	if ((/^0x[0-9a-f]+$/i).test(x)) { return true; }
+	return (/^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/).test(x);
+}
+
+function isConstructorOrProto(obj, key) {
+	return (key === 'constructor' && typeof obj[key] === 'function') || key === '__proto__';
+}
+
+module.exports = function (args, opts) {
+	if (!opts) { opts = {}; }
+
+	var flags = {
+		bools: {},
+		strings: {},
+		unknownFn: null,
+	};
+
+	if (typeof opts.unknown === 'function') {
+		flags.unknownFn = opts.unknown;
+	}
+
+	if (typeof opts.boolean === 'boolean' && opts.boolean) {
+		flags.allBools = true;
+	} else {
+		[].concat(opts.boolean).filter(Boolean).forEach(function (key) {
+			flags.bools[key] = true;
+		});
+	}
+
+	var aliases = {};
+
+	function aliasIsBoolean(key) {
+		return aliases[key].some(function (x) {
+			return flags.bools[x];
+		});
+	}
+
+	Object.keys(opts.alias || {}).forEach(function (key) {
+		aliases[key] = [].concat(opts.alias[key]);
+		aliases[key].forEach(function (x) {
+			aliases[x] = [key].concat(aliases[key].filter(function (y) {
+				return x !== y;
+			}));
+		});
+	});
+
+	[].concat(opts.string).filter(Boolean).forEach(function (key) {
+		flags.strings[key] = true;
+		if (aliases[key]) {
+			[].concat(aliases[key]).forEach(function (k) {
+				flags.strings[k] = true;
+			});
+		}
+	});
+
+	var defaults = opts.default || {};
+
+	var argv = { _: [] };
+
+	function argDefined(key, arg) {
+		return (flags.allBools && (/^--[^=]+$/).test(arg))
+			|| flags.strings[key]
+			|| flags.bools[key]
+			|| aliases[key];
+	}
+
+	function setKey(obj, keys, value) {
+		var o = obj;
+		for (var i = 0; i < keys.length - 1; i++) {
+			var key = keys[i];
+			if (isConstructorOrProto(o, key)) { return; }
+			if (o[key] === undefined) { o[key] = {}; }
+			if (
+				o[key] === Object.prototype
+				|| o[key] === Number.prototype
+				|| o[key] === String.prototype
+			) {
+				o[key] = {};
+			}
+			if (o[key] === Array.prototype) { o[key] = []; }
+			o = o[key];
+		}
+
+		var lastKey = keys[keys.length - 1];
+		if (isConstructorOrProto(o, lastKey)) { return; }
+		if (
+			o === Object.prototype
+			|| o === Number.prototype
+			|| o === String.prototype
+		) {
+			o = {};
+		}
+		if (o === Array.prototype) { o = []; }
+		if (o[lastKey] === undefined || flags.bools[lastKey] || typeof o[lastKey] === 'boolean') {
+			o[lastKey] = value;
+		} else if (Array.isArray(o[lastKey])) {
+			o[lastKey].push(value);
+		} else {
+			o[lastKey] = [o[lastKey], value];
+		}
+	}
+
+	function setArg(key, val, arg) {
+		if (arg && flags.unknownFn && !argDefined(key, arg)) {
+			if (flags.unknownFn(arg) === false) { return; }
+		}
+
+		var value = !flags.strings[key] && isNumber(val)
+			? Number(val)
+			: val;
+		setKey(argv, key.split('.'), value);
+
+		(aliases[key] || []).forEach(function (x) {
+			setKey(argv, x.split('.'), value);
+		});
+	}
+
+	Object.keys(flags.bools).forEach(function (key) {
+		setArg(key, defaults[key] === undefined ? false : defaults[key]);
+	});
+
+	var notFlags = [];
+
+	if (args.indexOf('--') !== -1) {
+		notFlags = args.slice(args.indexOf('--') + 1);
+		args = args.slice(0, args.indexOf('--'));
+	}
+
+	for (var i = 0; i < args.length; i++) {
+		var arg = args[i];
+		var key;
+		var next;
+
+		if ((/^--.+=/).test(arg)) {
+			// Using [\s\S] instead of . because js doesn't support the
+			// 'dotall' regex modifier. See:
+			// http://stackoverflow.com/a/1068308/13216
+			var m = arg.match(/^--([^=]+)=([\s\S]*)$/);
+			key = m[1];
+			var value = m[2];
+			if (flags.bools[key]) {
+				value = value !== 'false';
+			}
+			setArg(key, value, arg);
+		} else if ((/^--no-.+/).test(arg)) {
+			key = arg.match(/^--no-(.+)/)[1];
+			setArg(key, false, arg);
+		} else if ((/^--.+/).test(arg)) {
+			key = arg.match(/^--(.+)/)[1];
+			next = args[i + 1];
+			if (
+				next !== undefined
+				&& !(/^(-|--)[^-]/).test(next)
+				&& !flags.bools[key]
+				&& !flags.allBools
+				&& (aliases[key] ? !aliasIsBoolean(key) : true)
+			) {
+				setArg(key, next, arg);
+				i += 1;
+			} else if ((/^(true|false)$/).test(next)) {
+				setArg(key, next === 'true', arg);
+				i += 1;
+			} else {
+				setArg(key, flags.strings[key] ? '' : true, arg);
+			}
+		} else if ((/^-[^-]+/).test(arg)) {
+			var letters = arg.slice(1, -1).split('');
+
+			var broken = false;
+			for (var j = 0; j < letters.length; j++) {
+				next = arg.slice(j + 2);
+
+				if (next === '-') {
+					setArg(letters[j], next, arg);
+					continue;
+				}
+
+				if ((/[A-Za-z]/).test(letters[j]) && next[0] === '=') {
+					setArg(letters[j], next.slice(1), arg);
+					broken = true;
+					break;
+				}
+
+				if (
+					(/[A-Za-z]/).test(letters[j])
+					&& (/-?\d+(\.\d*)?(e-?\d+)?$/).test(next)
+				) {
+					setArg(letters[j], next, arg);
+					broken = true;
+					break;
+				}
+
+				if (letters[j + 1] && letters[j + 1].match(/\W/)) {
+					setArg(letters[j], arg.slice(j + 2), arg);
+					broken = true;
+					break;
+				} else {
+					setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);
+				}
+			}
+
+			key = arg.slice(-1)[0];
+			if (!broken && key !== '-') {
+				if (
+					args[i + 1]
+					&& !(/^(-|--)[^-]/).test(args[i + 1])
+					&& !flags.bools[key]
+					&& (aliases[key] ? !aliasIsBoolean(key) : true)
+				) {
+					setArg(key, args[i + 1], arg);
+					i += 1;
+				} else if (args[i + 1] && (/^(true|false)$/).test(args[i + 1])) {
+					setArg(key, args[i + 1] === 'true', arg);
+					i += 1;
+				} else {
+					setArg(key, flags.strings[key] ? '' : true, arg);
+				}
+			}
+		} else {
+			if (!flags.unknownFn || flags.unknownFn(arg) !== false) {
+				argv._.push(flags.strings._ || !isNumber(arg) ? arg : Number(arg));
+			}
+			if (opts.stopEarly) {
+				argv._.push.apply(argv._, args.slice(i + 1));
+				break;
+			}
+		}
+	}
+
+	Object.keys(defaults).forEach(function (k) {
+		if (!hasKey(argv, k.split('.'))) {
+			setKey(argv, k.split('.'), defaults[k]);
+
+			(aliases[k] || []).forEach(function (x) {
+				setKey(argv, x.split('.'), defaults[k]);
+			});
+		}
+	});
+
+	if (opts['--']) {
+		argv['--'] = notFlags.slice();
+	} else {
+		notFlags.forEach(function (k) {
+			argv._.push(k);
+		});
+	}
+
+	return argv;
+};
diff --git a/node_modules/minimist/package.json b/node_modules/minimist/package.json
new file mode 100644
index 00000000..c10a3344
--- /dev/null
+++ b/node_modules/minimist/package.json
@@ -0,0 +1,75 @@
+{
+	"name": "minimist",
+	"version": "1.2.8",
+	"description": "parse argument options",
+	"main": "index.js",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.0.1",
+		"aud": "^2.0.2",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.6.3"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"testling": {
+		"files": "test/*.js",
+		"browsers": [
+			"ie/6..latest",
+			"ff/5",
+			"firefox/latest",
+			"chrome/10",
+			"chrome/latest",
+			"safari/5.1",
+			"safari/latest",
+			"opera/12"
+		]
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/minimistjs/minimist.git"
+	},
+	"homepage": "https://github.com/minimistjs/minimist",
+	"keywords": [
+		"argv",
+		"getopt",
+		"parser",
+		"optimist"
+	],
+	"author": {
+		"name": "James Halliday",
+		"email": "mail@substack.net",
+		"url": "http://substack.net"
+	},
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/minimist/test/all_bool.js b/node_modules/minimist/test/all_bool.js
new file mode 100644
index 00000000..befa0c99
--- /dev/null
+++ b/node_modules/minimist/test/all_bool.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean true (default all --args to boolean)', function (t) {
+	var argv = parse(['moo', '--honk', 'cow'], {
+		boolean: true,
+	});
+
+	t.deepEqual(argv, {
+		honk: true,
+		_: ['moo', 'cow'],
+	});
+
+	t.deepEqual(typeof argv.honk, 'boolean');
+	t.end();
+});
+
+test('flag boolean true only affects double hyphen arguments without equals signs', function (t) {
+	var argv = parse(['moo', '--honk', 'cow', '-p', '55', '--tacos=good'], {
+		boolean: true,
+	});
+
+	t.deepEqual(argv, {
+		honk: true,
+		tacos: 'good',
+		p: 55,
+		_: ['moo', 'cow'],
+	});
+
+	t.deepEqual(typeof argv.honk, 'boolean');
+	t.end();
+});
diff --git a/node_modules/minimist/test/bool.js b/node_modules/minimist/test/bool.js
new file mode 100644
index 00000000..e58d47e4
--- /dev/null
+++ b/node_modules/minimist/test/bool.js
@@ -0,0 +1,177 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean default false', function (t) {
+	var argv = parse(['moo'], {
+		boolean: ['t', 'verbose'],
+		default: { verbose: false, t: false },
+	});
+
+	t.deepEqual(argv, {
+		verbose: false,
+		t: false,
+		_: ['moo'],
+	});
+
+	t.deepEqual(typeof argv.verbose, 'boolean');
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+
+});
+
+test('boolean groups', function (t) {
+	var argv = parse(['-x', '-z', 'one', 'two', 'three'], {
+		boolean: ['x', 'y', 'z'],
+	});
+
+	t.deepEqual(argv, {
+		x: true,
+		y: false,
+		z: true,
+		_: ['one', 'two', 'three'],
+	});
+
+	t.deepEqual(typeof argv.x, 'boolean');
+	t.deepEqual(typeof argv.y, 'boolean');
+	t.deepEqual(typeof argv.z, 'boolean');
+	t.end();
+});
+test('boolean and alias with chainable api', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var aliasedArgv = parse(aliased, {
+		boolean: 'herp',
+		alias: { h: 'herp' },
+	});
+	var propertyArgv = parse(regular, {
+		boolean: 'herp',
+		alias: { h: 'herp' },
+	});
+	var expected = {
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias with options hash', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'herp',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var expected = {
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias array with options hash', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var alt = ['--harp', 'derp'];
+	var opts = {
+		alias: { h: ['herp', 'harp'] },
+		boolean: 'h',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var altPropertyArgv = parse(alt, opts);
+	var expected = {
+		harp: true,
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.same(altPropertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias using explicit true', function (t) {
+	var aliased = ['-h', 'true'];
+	var regular = ['--herp', 'true'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'h',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var expected = {
+		herp: true,
+		h: true,
+		_: [],
+	};
+
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+// regression, see https://github.com/substack/node-optimist/issues/71
+test('boolean and --x=true', function (t) {
+	var parsed = parse(['--boool', '--other=true'], {
+		boolean: 'boool',
+	});
+
+	t.same(parsed.boool, true);
+	t.same(parsed.other, 'true');
+
+	parsed = parse(['--boool', '--other=false'], {
+		boolean: 'boool',
+	});
+
+	t.same(parsed.boool, true);
+	t.same(parsed.other, 'false');
+	t.end();
+});
+
+test('boolean --boool=true', function (t) {
+	var parsed = parse(['--boool=true'], {
+		default: {
+			boool: false,
+		},
+		boolean: ['boool'],
+	});
+
+	t.same(parsed.boool, true);
+	t.end();
+});
+
+test('boolean --boool=false', function (t) {
+	var parsed = parse(['--boool=false'], {
+		default: {
+			boool: true,
+		},
+		boolean: ['boool'],
+	});
+
+	t.same(parsed.boool, false);
+	t.end();
+});
+
+test('boolean using something similar to true', function (t) {
+	var opts = { boolean: 'h' };
+	var result = parse(['-h', 'true.txt'], opts);
+	var expected = {
+		h: true,
+		_: ['true.txt'],
+	};
+
+	t.same(result, expected);
+	t.end();
+});
diff --git a/node_modules/minimist/test/dash.js b/node_modules/minimist/test/dash.js
new file mode 100644
index 00000000..70788177
--- /dev/null
+++ b/node_modules/minimist/test/dash.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('-', function (t) {
+	t.plan(6);
+	t.deepEqual(parse(['-n', '-']), { n: '-', _: [] });
+	t.deepEqual(parse(['--nnn', '-']), { nnn: '-', _: [] });
+	t.deepEqual(parse(['-']), { _: ['-'] });
+	t.deepEqual(parse(['-f-']), { f: '-', _: [] });
+	t.deepEqual(
+		parse(['-b', '-'], { boolean: 'b' }),
+		{ b: true, _: ['-'] }
+	);
+	t.deepEqual(
+		parse(['-s', '-'], { string: 's' }),
+		{ s: '-', _: [] }
+	);
+});
+
+test('-a -- b', function (t) {
+	t.plan(2);
+	t.deepEqual(parse(['-a', '--', 'b']), { a: true, _: ['b'] });
+	t.deepEqual(parse(['--a', '--', 'b']), { a: true, _: ['b'] });
+});
+
+test('move arguments after the -- into their own `--` array', function (t) {
+	t.plan(1);
+	t.deepEqual(
+		parse(['--name', 'John', 'before', '--', 'after'], { '--': true }),
+		{ name: 'John', _: ['before'], '--': ['after'] }
+	);
+});
+
+test('--- option value', function (t) {
+	// A multi-dash value is largely an edge case, but check the behaviour is as expected,
+	// and in particular the same for short option and long option (as made consistent in Jan 2023).
+	t.plan(2);
+	t.deepEqual(parse(['-n', '---']), { n: '---', _: [] });
+	t.deepEqual(parse(['--nnn', '---']), { nnn: '---', _: [] });
+});
+
diff --git a/node_modules/minimist/test/default_bool.js b/node_modules/minimist/test/default_bool.js
new file mode 100644
index 00000000..4e9f6250
--- /dev/null
+++ b/node_modules/minimist/test/default_bool.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../');
+
+test('boolean default true', function (t) {
+	var argv = parse([], {
+		boolean: 'sometrue',
+		default: { sometrue: true },
+	});
+	t.equal(argv.sometrue, true);
+	t.end();
+});
+
+test('boolean default false', function (t) {
+	var argv = parse([], {
+		boolean: 'somefalse',
+		default: { somefalse: false },
+	});
+	t.equal(argv.somefalse, false);
+	t.end();
+});
+
+test('boolean default to null', function (t) {
+	var argv = parse([], {
+		boolean: 'maybe',
+		default: { maybe: null },
+	});
+	t.equal(argv.maybe, null);
+
+	var argvLong = parse(['--maybe'], {
+		boolean: 'maybe',
+		default: { maybe: null },
+	});
+	t.equal(argvLong.maybe, true);
+	t.end();
+});
diff --git a/node_modules/minimist/test/dotted.js b/node_modules/minimist/test/dotted.js
new file mode 100644
index 00000000..126ff033
--- /dev/null
+++ b/node_modules/minimist/test/dotted.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('dotted alias', function (t) {
+	var argv = parse(['--a.b', '22'], { default: { 'a.b': 11 }, alias: { 'a.b': 'aa.bb' } });
+	t.equal(argv.a.b, 22);
+	t.equal(argv.aa.bb, 22);
+	t.end();
+});
+
+test('dotted default', function (t) {
+	var argv = parse('', { default: { 'a.b': 11 }, alias: { 'a.b': 'aa.bb' } });
+	t.equal(argv.a.b, 11);
+	t.equal(argv.aa.bb, 11);
+	t.end();
+});
+
+test('dotted default with no alias', function (t) {
+	var argv = parse('', { default: { 'a.b': 11 } });
+	t.equal(argv.a.b, 11);
+	t.end();
+});
diff --git a/node_modules/minimist/test/kv_short.js b/node_modules/minimist/test/kv_short.js
new file mode 100644
index 00000000..6d1b53a7
--- /dev/null
+++ b/node_modules/minimist/test/kv_short.js
@@ -0,0 +1,32 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('short -k=v', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-b=123']);
+	t.deepEqual(argv, { b: 123, _: [] });
+});
+
+test('multi short -k=v', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-a=whatever', '-b=robots']);
+	t.deepEqual(argv, { a: 'whatever', b: 'robots', _: [] });
+});
+
+test('short with embedded equals -k=a=b', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-k=a=b']);
+	t.deepEqual(argv, { k: 'a=b', _: [] });
+});
+
+test('short with later equals like -ab=c', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-ab=c']);
+	t.deepEqual(argv, { a: true, b: 'c', _: [] });
+});
diff --git a/node_modules/minimist/test/long.js b/node_modules/minimist/test/long.js
new file mode 100644
index 00000000..9fef51f1
--- /dev/null
+++ b/node_modules/minimist/test/long.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../');
+
+test('long opts', function (t) {
+	t.deepEqual(
+		parse(['--bool']),
+		{ bool: true, _: [] },
+		'long boolean'
+	);
+	t.deepEqual(
+		parse(['--pow', 'xixxle']),
+		{ pow: 'xixxle', _: [] },
+		'long capture sp'
+	);
+	t.deepEqual(
+		parse(['--pow=xixxle']),
+		{ pow: 'xixxle', _: [] },
+		'long capture eq'
+	);
+	t.deepEqual(
+		parse(['--host', 'localhost', '--port', '555']),
+		{ host: 'localhost', port: 555, _: [] },
+		'long captures sp'
+	);
+	t.deepEqual(
+		parse(['--host=localhost', '--port=555']),
+		{ host: 'localhost', port: 555, _: [] },
+		'long captures eq'
+	);
+	t.end();
+});
diff --git a/node_modules/minimist/test/num.js b/node_modules/minimist/test/num.js
new file mode 100644
index 00000000..074393ec
--- /dev/null
+++ b/node_modules/minimist/test/num.js
@@ -0,0 +1,38 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('nums', function (t) {
+	var argv = parse([
+		'-x', '1234',
+		'-y', '5.67',
+		'-z', '1e7',
+		'-w', '10f',
+		'--hex', '0xdeadbeef',
+		'789',
+	]);
+	t.deepEqual(argv, {
+		x: 1234,
+		y: 5.67,
+		z: 1e7,
+		w: '10f',
+		hex: 0xdeadbeef,
+		_: [789],
+	});
+	t.deepEqual(typeof argv.x, 'number');
+	t.deepEqual(typeof argv.y, 'number');
+	t.deepEqual(typeof argv.z, 'number');
+	t.deepEqual(typeof argv.w, 'string');
+	t.deepEqual(typeof argv.hex, 'number');
+	t.deepEqual(typeof argv._[0], 'number');
+	t.end();
+});
+
+test('already a number', function (t) {
+	var argv = parse(['-x', 1234, 789]);
+	t.deepEqual(argv, { x: 1234, _: [789] });
+	t.deepEqual(typeof argv.x, 'number');
+	t.deepEqual(typeof argv._[0], 'number');
+	t.end();
+});
diff --git a/node_modules/minimist/test/parse.js b/node_modules/minimist/test/parse.js
new file mode 100644
index 00000000..65d9d909
--- /dev/null
+++ b/node_modules/minimist/test/parse.js
@@ -0,0 +1,209 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('parse args', function (t) {
+	t.deepEqual(
+		parse(['--no-moo']),
+		{ moo: false, _: [] },
+		'no'
+	);
+	t.deepEqual(
+		parse(['-v', 'a', '-v', 'b', '-v', 'c']),
+		{ v: ['a', 'b', 'c'], _: [] },
+		'multi'
+	);
+	t.end();
+});
+
+test('comprehensive', function (t) {
+	t.deepEqual(
+		parse([
+			'--name=meowmers', 'bare', '-cats', 'woo',
+			'-h', 'awesome', '--multi=quux',
+			'--key', 'value',
+			'-b', '--bool', '--no-meep', '--multi=baz',
+			'--', '--not-a-flag', 'eek',
+		]),
+		{
+			c: true,
+			a: true,
+			t: true,
+			s: 'woo',
+			h: 'awesome',
+			b: true,
+			bool: true,
+			key: 'value',
+			multi: ['quux', 'baz'],
+			meep: false,
+			name: 'meowmers',
+			_: ['bare', '--not-a-flag', 'eek'],
+		}
+	);
+	t.end();
+});
+
+test('flag boolean', function (t) {
+	var argv = parse(['-t', 'moo'], { boolean: 't' });
+	t.deepEqual(argv, { t: true, _: ['moo'] });
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+});
+
+test('flag boolean value', function (t) {
+	var argv = parse(['--verbose', 'false', 'moo', '-t', 'true'], {
+		boolean: ['t', 'verbose'],
+		default: { verbose: true },
+	});
+
+	t.deepEqual(argv, {
+		verbose: false,
+		t: true,
+		_: ['moo'],
+	});
+
+	t.deepEqual(typeof argv.verbose, 'boolean');
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+});
+
+test('newlines in params', function (t) {
+	var args = parse(['-s', 'X\nX']);
+	t.deepEqual(args, { _: [], s: 'X\nX' });
+
+	// reproduce in bash:
+	// VALUE="new
+	// line"
+	// node program.js --s="$VALUE"
+	args = parse(['--s=X\nX']);
+	t.deepEqual(args, { _: [], s: 'X\nX' });
+	t.end();
+});
+
+test('strings', function (t) {
+	var s = parse(['-s', '0001234'], { string: 's' }).s;
+	t.equal(s, '0001234');
+	t.equal(typeof s, 'string');
+
+	var x = parse(['-x', '56'], { string: 'x' }).x;
+	t.equal(x, '56');
+	t.equal(typeof x, 'string');
+	t.end();
+});
+
+test('stringArgs', function (t) {
+	var s = parse(['  ', '  '], { string: '_' })._;
+	t.same(s.length, 2);
+	t.same(typeof s[0], 'string');
+	t.same(s[0], '  ');
+	t.same(typeof s[1], 'string');
+	t.same(s[1], '  ');
+	t.end();
+});
+
+test('empty strings', function (t) {
+	var s = parse(['-s'], { string: 's' }).s;
+	t.equal(s, '');
+	t.equal(typeof s, 'string');
+
+	var str = parse(['--str'], { string: 'str' }).str;
+	t.equal(str, '');
+	t.equal(typeof str, 'string');
+
+	var letters = parse(['-art'], {
+		string: ['a', 't'],
+	});
+
+	t.equal(letters.a, '');
+	t.equal(letters.r, true);
+	t.equal(letters.t, '');
+
+	t.end();
+});
+
+test('string and alias', function (t) {
+	var x = parse(['--str', '000123'], {
+		string: 's',
+		alias: { s: 'str' },
+	});
+
+	t.equal(x.str, '000123');
+	t.equal(typeof x.str, 'string');
+	t.equal(x.s, '000123');
+	t.equal(typeof x.s, 'string');
+
+	var y = parse(['-s', '000123'], {
+		string: 'str',
+		alias: { str: 's' },
+	});
+
+	t.equal(y.str, '000123');
+	t.equal(typeof y.str, 'string');
+	t.equal(y.s, '000123');
+	t.equal(typeof y.s, 'string');
+
+	var z = parse(['-s123'], {
+		alias: { str: ['s', 'S'] },
+		string: ['str'],
+	});
+
+	t.deepEqual(
+		z,
+		{ _: [], s: '123', S: '123', str: '123' },
+		'opt.string works with multiple aliases'
+	);
+	t.end();
+});
+
+test('slashBreak', function (t) {
+	t.same(
+		parse(['-I/foo/bar/baz']),
+		{ I: '/foo/bar/baz', _: [] }
+	);
+	t.same(
+		parse(['-xyz/foo/bar/baz']),
+		{ x: true, y: true, z: '/foo/bar/baz', _: [] }
+	);
+	t.end();
+});
+
+test('alias', function (t) {
+	var argv = parse(['-f', '11', '--zoom', '55'], {
+		alias: { z: 'zoom' },
+	});
+	t.equal(argv.zoom, 55);
+	t.equal(argv.z, argv.zoom);
+	t.equal(argv.f, 11);
+	t.end();
+});
+
+test('multiAlias', function (t) {
+	var argv = parse(['-f', '11', '--zoom', '55'], {
+		alias: { z: ['zm', 'zoom'] },
+	});
+	t.equal(argv.zoom, 55);
+	t.equal(argv.z, argv.zoom);
+	t.equal(argv.z, argv.zm);
+	t.equal(argv.f, 11);
+	t.end();
+});
+
+test('nested dotted objects', function (t) {
+	var argv = parse([
+		'--foo.bar', '3', '--foo.baz', '4',
+		'--foo.quux.quibble', '5', '--foo.quux.o_O',
+		'--beep.boop',
+	]);
+
+	t.same(argv.foo, {
+		bar: 3,
+		baz: 4,
+		quux: {
+			quibble: 5,
+			o_O: true,
+		},
+	});
+	t.same(argv.beep, { boop: true });
+	t.end();
+});
diff --git a/node_modules/minimist/test/parse_modified.js b/node_modules/minimist/test/parse_modified.js
new file mode 100644
index 00000000..32965d13
--- /dev/null
+++ b/node_modules/minimist/test/parse_modified.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('parse with modifier functions', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-b', '123'], { boolean: 'b' });
+	t.deepEqual(argv, { b: true, _: [123] });
+});
diff --git a/node_modules/minimist/test/proto.js b/node_modules/minimist/test/proto.js
new file mode 100644
index 00000000..6e629dd3
--- /dev/null
+++ b/node_modules/minimist/test/proto.js
@@ -0,0 +1,64 @@
+'use strict';
+
+/* eslint no-proto: 0 */
+
+var parse = require('../');
+var test = require('tape');
+
+test('proto pollution', function (t) {
+	var argv = parse(['--__proto__.x', '123']);
+	t.equal({}.x, undefined);
+	t.equal(argv.__proto__.x, undefined);
+	t.equal(argv.x, undefined);
+	t.end();
+});
+
+test('proto pollution (array)', function (t) {
+	var argv = parse(['--x', '4', '--x', '5', '--x.__proto__.z', '789']);
+	t.equal({}.z, undefined);
+	t.deepEqual(argv.x, [4, 5]);
+	t.equal(argv.x.z, undefined);
+	t.equal(argv.x.__proto__.z, undefined);
+	t.end();
+});
+
+test('proto pollution (number)', function (t) {
+	var argv = parse(['--x', '5', '--x.__proto__.z', '100']);
+	t.equal({}.z, undefined);
+	t.equal((4).z, undefined);
+	t.equal(argv.x, 5);
+	t.equal(argv.x.z, undefined);
+	t.end();
+});
+
+test('proto pollution (string)', function (t) {
+	var argv = parse(['--x', 'abc', '--x.__proto__.z', 'def']);
+	t.equal({}.z, undefined);
+	t.equal('...'.z, undefined);
+	t.equal(argv.x, 'abc');
+	t.equal(argv.x.z, undefined);
+	t.end();
+});
+
+test('proto pollution (constructor)', function (t) {
+	var argv = parse(['--constructor.prototype.y', '123']);
+	t.equal({}.y, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
+
+test('proto pollution (constructor function)', function (t) {
+	var argv = parse(['--_.concat.constructor.prototype.y', '123']);
+	function fnToBeTested() {}
+	t.equal(fnToBeTested.y, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
+
+// powered by snyk - https://github.com/backstage/backstage/issues/10343
+test('proto pollution (constructor function) snyk', function (t) {
+	var argv = parse('--_.constructor.constructor.prototype.foo bar'.split(' '));
+	t.equal(function () {}.foo, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
diff --git a/node_modules/minimist/test/short.js b/node_modules/minimist/test/short.js
new file mode 100644
index 00000000..4a7b8438
--- /dev/null
+++ b/node_modules/minimist/test/short.js
@@ -0,0 +1,69 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('numeric short args', function (t) {
+	t.plan(2);
+	t.deepEqual(parse(['-n123']), { n: 123, _: [] });
+	t.deepEqual(
+		parse(['-123', '456']),
+		{ 1: true, 2: true, 3: 456, _: [] }
+	);
+});
+
+test('short', function (t) {
+	t.deepEqual(
+		parse(['-b']),
+		{ b: true, _: [] },
+		'short boolean'
+	);
+	t.deepEqual(
+		parse(['foo', 'bar', 'baz']),
+		{ _: ['foo', 'bar', 'baz'] },
+		'bare'
+	);
+	t.deepEqual(
+		parse(['-cats']),
+		{ c: true, a: true, t: true, s: true, _: [] },
+		'group'
+	);
+	t.deepEqual(
+		parse(['-cats', 'meow']),
+		{ c: true, a: true, t: true, s: 'meow', _: [] },
+		'short group next'
+	);
+	t.deepEqual(
+		parse(['-h', 'localhost']),
+		{ h: 'localhost', _: [] },
+		'short capture'
+	);
+	t.deepEqual(
+		parse(['-h', 'localhost', '-p', '555']),
+		{ h: 'localhost', p: 555, _: [] },
+		'short captures'
+	);
+	t.end();
+});
+
+test('mixed short bool and capture', function (t) {
+	t.same(
+		parse(['-h', 'localhost', '-fp', '555', 'script.js']),
+		{
+			f: true, p: 555, h: 'localhost',
+			_: ['script.js'],
+		}
+	);
+	t.end();
+});
+
+test('short and long', function (t) {
+	t.deepEqual(
+		parse(['-h', 'localhost', '-fp', '555', 'script.js']),
+		{
+			f: true, p: 555, h: 'localhost',
+			_: ['script.js'],
+		}
+	);
+	t.end();
+});
diff --git a/node_modules/minimist/test/stop_early.js b/node_modules/minimist/test/stop_early.js
new file mode 100644
index 00000000..52a6a919
--- /dev/null
+++ b/node_modules/minimist/test/stop_early.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('stops parsing on the first non-option when stopEarly is set', function (t) {
+	var argv = parse(['--aaa', 'bbb', 'ccc', '--ddd'], {
+		stopEarly: true,
+	});
+
+	t.deepEqual(argv, {
+		aaa: 'bbb',
+		_: ['ccc', '--ddd'],
+	});
+
+	t.end();
+});
diff --git a/node_modules/minimist/test/unknown.js b/node_modules/minimist/test/unknown.js
new file mode 100644
index 00000000..4f2e0ca4
--- /dev/null
+++ b/node_modules/minimist/test/unknown.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('boolean and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'true', '--derp', 'true'];
+	var regular = ['--herp', 'true', '-d', 'true'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'h',
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, ['--derp', '-d']);
+	t.end();
+});
+
+test('flag boolean true any double hyphen argument is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var argv = parse(['--honk', '--tacos=good', 'cow', '-p', '55'], {
+		boolean: true,
+		unknown: unknownFn,
+	});
+	t.same(unknown, ['--tacos=good', 'cow', '-p']);
+	t.same(argv, {
+		honk: true,
+		_: [],
+	});
+	t.end();
+});
+
+test('string and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'hello', '--derp', 'goodbye'];
+	var regular = ['--herp', 'hello', '-d', 'moon'];
+	var opts = {
+		alias: { h: 'herp' },
+		string: 'h',
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, ['--derp', '-d']);
+	t.end();
+});
+
+test('default and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'hello'];
+	var regular = ['--herp', 'hello'];
+	var opts = {
+		default: { h: 'bar' },
+		alias: { h: 'herp' },
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, []);
+	t.end();
+	unknownFn(); // exercise fn for 100% coverage
+});
+
+test('value following -- is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['--bad', '--', 'good', 'arg'];
+	var opts = {
+		'--': true,
+		unknown: unknownFn,
+	};
+	var argv = parse(aliased, opts);
+
+	t.same(unknown, ['--bad']);
+	t.same(argv, {
+		'--': ['good', 'arg'],
+		_: [],
+	});
+	t.end();
+});
diff --git a/node_modules/minimist/test/whitespace.js b/node_modules/minimist/test/whitespace.js
new file mode 100644
index 00000000..4fdaf1d3
--- /dev/null
+++ b/node_modules/minimist/test/whitespace.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('whitespace should be whitespace', function (t) {
+	t.plan(1);
+	var x = parse(['-x', '\t']).x;
+	t.equal(x, '\t');
+});
diff --git a/node_modules/mississippi/changelog.md b/node_modules/mississippi/changelog.md
new file mode 100644
index 00000000..75333b08
--- /dev/null
+++ b/node_modules/mississippi/changelog.md
@@ -0,0 +1,10 @@
+# mississippi Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 3.0.0 - 2018-02-26
+* Update to pump@3.0.0.  Returns the last stream the pipeline to enable chaining.  (Use the individual modules to avoid potentially unnecessary major updates in your project).
+
+## 2.0.0 - 2018-01-30
+* Update to pump@2.0.1.  (Use the individual modules to avoid potentially unnecessary major updates in your project)
+* Pin engines support to >= Node 4.0.0.  Run Node LTS or greater.
diff --git a/node_modules/mississippi/index.js b/node_modules/mississippi/index.js
new file mode 100644
index 00000000..d635b29c
--- /dev/null
+++ b/node_modules/mississippi/index.js
@@ -0,0 +1,10 @@
+module.exports.pipe = require('pump')
+module.exports.each = require('stream-each')
+module.exports.pipeline = require('pumpify')
+module.exports.duplex = require('duplexify')
+module.exports.through = require('through2')
+module.exports.concat = require('concat-stream')
+module.exports.finished = require('end-of-stream')
+module.exports.from = require('from2')
+module.exports.to = require('flush-write-stream')
+module.exports.parallel = require('parallel-transform')
diff --git a/node_modules/mississippi/license b/node_modules/mississippi/license
new file mode 100644
index 00000000..e3476396
--- /dev/null
+++ b/node_modules/mississippi/license
@@ -0,0 +1,7 @@
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/mississippi/package.json b/node_modules/mississippi/package.json
new file mode 100644
index 00000000..43052a68
--- /dev/null
+++ b/node_modules/mississippi/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "mississippi",
+  "version": "3.0.0",
+  "description": "a collection of useful streams",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "max ogden",
+  "license": "BSD-2-Clause",
+  "dependencies": {
+    "concat-stream": "^1.5.0",
+    "duplexify": "^3.4.2",
+    "end-of-stream": "^1.1.0",
+    "flush-write-stream": "^1.0.0",
+    "from2": "^2.1.0",
+    "parallel-transform": "^1.1.0",
+    "pump": "^3.0.0",
+    "pumpify": "^1.3.3",
+    "stream-each": "^1.1.0",
+    "through2": "^2.0.0"
+  },
+  "devDependencies": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/maxogden/mississippi.git"
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/maxogden/mississippi/issues"
+  },
+  "homepage": "https://github.com/maxogden/mississippi#readme"
+}
diff --git a/node_modules/mississippi/readme.md b/node_modules/mississippi/readme.md
new file mode 100644
index 00000000..5fa6d66c
--- /dev/null
+++ b/node_modules/mississippi/readme.md
@@ -0,0 +1,411 @@
+# mississippi
+
+a collection of useful stream utility modules. learn how the modules work using this and then pick the ones you want and use them individually
+
+the goal of the modules included in mississippi is to make working with streams easy without sacrificing speed, error handling or composability.
+
+## usage
+
+```js
+var miss = require('mississippi')
+```
+
+## methods
+
+- [pipe](#pipe)
+- [each](#each)
+- [pipeline](#pipeline)
+- [duplex](#duplex)
+- [through](#through)
+- [from](#from)
+- [to](#to)
+- [concat](#concat)
+- [finished](#finished)
+- [parallel](#parallel)
+
+### pipe
+
+##### `miss.pipe(stream1, stream2, stream3, ..., cb)`
+
+Pipes streams together and destroys all of them if one of them closes. Calls `cb` with `(error)` if there was an error in any of the streams.
+
+When using standard `source.pipe(destination)` the source will _not_ be destroyed if the destination emits close or error. You are also not able to provide a callback to tell when the pipe has finished.
+
+`miss.pipe` does these two things for you, ensuring you handle stream errors 100% of the time (unhandled errors are probably the most common bug in most node streams code)
+
+#### original module
+
+`miss.pipe` is provided by [`require('pump')`](https://www.npmjs.com/package/pump)
+
+#### example
+
+```js
+// lets do a simple file copy
+var fs = require('fs')
+
+var read = fs.createReadStream('./original.zip')
+var write = fs.createWriteStream('./copy.zip')
+
+// use miss.pipe instead of read.pipe(write)
+miss.pipe(read, write, function (err) {
+  if (err) return console.error('Copy error!', err)
+  console.log('Copied successfully')
+})
+```
+
+### each
+
+##### `miss.each(stream, each, [done])`
+
+Iterate the data in `stream` one chunk at a time. Your `each` function will be called with `(data, next)` where data is a data chunk and next is a callback. Call `next` when you are ready to consume the next chunk.
+
+Optionally you can call `next` with an error to destroy the stream. You can also pass the optional third argument, `done`, which is a function that will be called with `(err)` when the stream ends. The `err` argument will be populated with an error if the stream emitted an error.
+
+#### original module
+
+`miss.each` is provided by [`require('stream-each')`](https://www.npmjs.com/package/stream-each)
+
+#### example
+
+```js
+var fs = require('fs')
+var split = require('split2')
+
+var newLineSeparatedNumbers = fs.createReadStream('numbers.txt')
+
+var pipeline = miss.pipeline(newLineSeparatedNumbers, split())
+miss.each(pipeline, eachLine, done)
+var sum = 0
+
+function eachLine (line, next) {
+  sum += parseInt(line.toString())
+  next()
+}
+
+function done (err) {
+  if (err) throw err
+  console.log('sum is', sum)
+}
+```
+
+### pipeline
+
+##### `var pipeline = miss.pipeline(stream1, stream2, stream3, ...)`
+
+Builds a pipeline from all the transform streams passed in as arguments by piping them together and returning a single stream object that lets you write to the first stream and read from the last stream.
+
+If you are pumping object streams together use `pipeline = miss.pipeline.obj(s1, s2, ...)`.
+
+If any of the streams in the pipeline emits an error or gets destroyed, or you destroy the stream it returns, all of the streams will be destroyed and cleaned up for you.
+
+#### original module
+
+`miss.pipeline` is provided by [`require('pumpify')`](https://www.npmjs.com/package/pumpify)
+
+#### example
+
+```js
+// first create some transform streams (note: these two modules are fictional)
+var imageResize = require('image-resizer-stream')({width: 400})
+var pngOptimizer = require('png-optimizer-stream')({quality: 60})
+
+// instead of doing a.pipe(b), use pipelin
+var resizeAndOptimize = miss.pipeline(imageResize, pngOptimizer)
+// `resizeAndOptimize` is a transform stream. when you write to it, it writes
+// to `imageResize`. when you read from it, it reads from `pngOptimizer`.
+// it handles piping all the streams together for you
+
+// use it like any other transform stream
+var fs = require('fs')
+
+var read = fs.createReadStream('./image.png')
+var write = fs.createWriteStream('./resized-and-optimized.png')
+
+miss.pipe(read, resizeAndOptimize, write, function (err) {
+  if (err) return console.error('Image processing error!', err)
+  console.log('Image processed successfully')
+})
+```
+
+### duplex
+
+##### `var duplex = miss.duplex([writable, readable, opts])`
+
+Take two separate streams, a writable and a readable, and turn them into a single [duplex (readable and writable) stream](https://nodejs.org/api/stream.html#stream_class_stream_duplex).
+
+The returned stream will emit data from the readable. When you write to it it writes to the writable.
+
+You can either choose to supply the writable and the readable at the time you create the stream, or you can do it later using the `.setWritable` and `.setReadable` methods and data written to the stream in the meantime will be buffered for you.
+
+#### original module
+
+`miss.duplex` is provided by [`require('duplexify')`](https://www.npmjs.com/package/duplexify)
+
+#### example
+
+```js
+// lets spawn a process and take its stdout and stdin and combine them into 1 stream
+var child = require('child_process')
+
+// @- tells it to read from stdin, --data-binary sets 'raw' binary mode
+var curl = child.spawn('curl -X POST --data-binary @- http://foo.com')
+
+// duplexCurl will write to stdin and read from stdout
+var duplexCurl = miss.duplex(curl.stdin, curl.stdout)
+```
+
+### through
+
+##### `var transformer = miss.through([options, transformFunction, flushFunction])`
+
+Make a custom [transform stream](https://nodejs.org/docs/latest/api/stream.html#stream_class_stream_transform).
+
+The `options` object is passed to the internal transform stream and can be used to create an `objectMode` stream (or use the shortcut `miss.through.obj([...])`)
+
+The `transformFunction` is called when data is available for the writable side and has the signature `(chunk, encoding, cb)`. Within the function, add data to the readable side any number of times with `this.push(data)`. Call `cb()` to indicate processing of the `chunk` is complete. Or to easily emit a single error or chunk, call `cb(err, chunk)`
+
+The `flushFunction`, with signature `(cb)`, is called just before the stream is complete and should be used to wrap up stream processing.
+
+#### original module
+
+`miss.through` is provided by [`require('through2')`](https://www.npmjs.com/package/through2)
+
+#### example
+
+```js
+var fs = require('fs')
+
+var read = fs.createReadStream('./boring_lowercase.txt')
+var write = fs.createWriteStream('./AWESOMECASE.TXT')
+
+// Leaving out the options object
+var uppercaser = miss.through(
+  function (chunk, enc, cb) {
+    cb(null, chunk.toString().toUpperCase())
+  },
+  function (cb) {
+    cb(null, 'ONE LAST BIT OF UPPERCASE')
+  }
+)
+
+miss.pipe(read, uppercaser, write, function (err) {
+  if (err) return console.error('Trouble uppercasing!')
+  console.log('Splendid uppercasing!')
+})
+```
+
+### from
+
+##### `miss.from([opts], read)`
+
+Make a custom [readable stream](https://nodejs.org/docs/latest/api/stream.html#stream_class_stream_readable).
+
+`opts` contains the options to pass on to the ReadableStream constructor e.g. for creating a readable object stream (or use the shortcut `miss.from.obj([...])`).
+
+Returns a readable stream that calls `read(size, next)` when data is requested from the stream.
+
+- `size` is the recommended amount of data (in bytes) to retrieve.
+- `next(err, chunk)` should be called when you're ready to emit more data.
+
+#### original module
+
+`miss.from` is provided by [`require('from2')`](https://www.npmjs.com/package/from2)
+
+#### example
+
+```js
+
+
+function fromString(string) {
+  return miss.from(function(size, next) {
+    // if there's no more content
+    // left in the string, close the stream.
+    if (string.length <= 0) return next(null, null)
+
+    // Pull in a new chunk of text,
+    // removing it from the string.
+    var chunk = string.slice(0, size)
+    string = string.slice(size)
+
+    // Emit "chunk" from the stream.
+    next(null, chunk)
+  })
+}
+
+// pipe "hello world" out
+// to stdout.
+fromString('hello world').pipe(process.stdout)
+```
+
+### to
+
+##### `miss.to([options], write, [flush])`
+
+Make a custom [writable stream](https://nodejs.org/docs/latest/api/stream.html#stream_class_stream_writable).
+
+`opts` contains the options to pass on to the WritableStream constructor e.g. for creating a writable object stream (or use the shortcut `miss.to.obj([...])`).
+
+Returns a writable stream that calls `write(data, enc, cb)` when data is written to the stream.
+
+- `data` is the received data to write the destination.
+- `enc` encoding of the piece of data received.
+- `cb(err, data)` should be called when you're ready to write more data, or encountered an error.
+
+`flush(cb)` is called before `finish` is emitted and allows for cleanup steps to occur.
+
+#### original module
+
+`miss.to` is provided by [`require('flush-write-stream')`](https://www.npmjs.com/package/flush-write-stream)
+
+#### example
+
+```js
+var ws = miss.to(write, flush)
+
+ws.on('finish', function () {
+  console.log('finished')
+})
+
+ws.write('hello')
+ws.write('world')
+ws.end()
+
+function write (data, enc, cb) {
+  // i am your normal ._write method
+  console.log('writing', data.toString())
+  cb()
+}
+
+function flush (cb) {
+  // i am called before finish is emitted
+  setTimeout(cb, 1000) // wait 1 sec
+}
+```
+
+If you run the above it will produce the following output
+
+```
+writing hello
+writing world
+(nothing happens for 1 sec)
+finished
+```
+
+### concat
+
+##### `var concat = miss.concat(cb)`
+
+Returns a writable stream that concatenates all data written to the stream and calls a callback with the single result.
+
+Calling `miss.concat(cb)` returns a writable stream. `cb` is called when the writable stream is finished, e.g. when all data is done being written to it. `cb` is called with a single argument, `(data)`, which will contain the result of concatenating all the data written to the stream.
+
+Note that `miss.concat` will not handle stream errors for you. To handle errors, use `miss.pipe` or handle the `error` event manually.
+
+#### original module
+
+`miss.concat` is provided by [`require('concat-stream')`](https://www.npmjs.com/package/concat-stream)
+
+#### example
+
+```js
+var fs = require('fs')
+
+var readStream = fs.createReadStream('cat.png')
+var concatStream = miss.concat(gotPicture)
+
+function callback (err) {
+  if (err) {
+    console.error(err)
+    process.exit(1)
+  }
+}
+
+miss.pipe(readStream, concatStream, callback)
+
+function gotPicture(imageBuffer) {
+  // imageBuffer is all of `cat.png` as a node.js Buffer
+}
+
+function handleError(err) {
+  // handle your error appropriately here, e.g.:
+  console.error(err) // print the error to STDERR
+  process.exit(1) // exit program with non-zero exit code
+}
+```
+
+### finished
+
+##### `miss.finished(stream, cb)`
+
+Waits for `stream` to finish or error and then calls `cb` with `(err)`. `cb` will only be called once. `err` will be null if the stream finished without error, or else it will be populated with the error from the streams `error` event.
+
+This function is useful for simplifying stream handling code as it lets you handle success or error conditions in a single code path. It's used internally `miss.pipe`.
+
+#### original module
+
+`miss.finished` is provided by [`require('end-of-stream')`](https://www.npmjs.com/package/end-of-stream)
+
+#### example
+
+```js
+var copySource = fs.createReadStream('./movie.mp4')
+var copyDest = fs.createWriteStream('./movie-copy.mp4')
+
+copySource.pipe(copyDest)
+
+miss.finished(copyDest, function(err) {
+  if (err) return console.log('write failed', err)
+  console.log('write success')
+})
+```
+
+### parallel
+
+##### `miss.parallel(concurrency, each)`
+
+This works like `through` except you can process items in parallel, while still preserving the original input order.
+
+This is handy if you wanna take advantage of node's async I/O and process streams of items in batches. With this module you can build your very own streaming parallel job queue.
+
+Note that `miss.parallel` preserves input ordering, if you don't need that then you can use [through2-concurrent](https://github.com/almost/through2-concurrent) instead, which is very similar to this otherwise.
+
+#### original module
+
+`miss.parallel` is provided by [`require('parallel-transform')`](https://npmjs.org/parallel-transform)
+
+#### example
+
+This example fetches the GET HTTP headers for a stream of input URLs 5 at a time in parallel.
+
+```js
+function getResponse (item, cb) {
+  var r = request(item.url)
+  r.on('error', function (err) {
+    cb(err)
+  })
+  r.on('response', function (re) {
+    cb(null, {url: item.url, date: new Date(), status: re.statusCode, headers: re.headers})
+    r.abort()
+  })
+}
+
+miss.pipe(
+  fs.createReadStream('./urls.txt'), // one url per line
+  split(),
+  miss.parallel(5, getResponse),
+  miss.through(function (row, enc, next) {
+    console.log(JSON.stringify(row))
+    next()
+  })
+)
+```
+
+## see also
+
+- [substack/stream-handbook](https://github.com/substack/stream-handbook)
+- [nodejs.org/api/stream.html](https://nodejs.org/api/stream.html)
+- [awesome-nodejs-streams](https://github.com/thejmazz/awesome-nodejs-streams)
+
+## license
+
+Licensed under the BSD 2-clause license.
diff --git a/node_modules/mixin-deep/LICENSE b/node_modules/mixin-deep/LICENSE
new file mode 100644
index 00000000..99c93691
--- /dev/null
+++ b/node_modules/mixin-deep/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/mixin-deep/README.md b/node_modules/mixin-deep/README.md
new file mode 100644
index 00000000..111bde00
--- /dev/null
+++ b/node_modules/mixin-deep/README.md
@@ -0,0 +1,80 @@
+# mixin-deep [![NPM version](https://img.shields.io/npm/v/mixin-deep.svg?style=flat)](https://www.npmjs.com/package/mixin-deep) [![NPM monthly downloads](https://img.shields.io/npm/dm/mixin-deep.svg?style=flat)](https://npmjs.org/package/mixin-deep) [![NPM total downloads](https://img.shields.io/npm/dt/mixin-deep.svg?style=flat)](https://npmjs.org/package/mixin-deep) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/mixin-deep.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/mixin-deep)
+
+> Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save mixin-deep
+```
+
+## Usage
+
+```js
+var mixinDeep = require('mixin-deep');
+
+mixinDeep({a: {aa: 'aa'}}, {a: {bb: 'bb'}}, {a: {cc: 'cc'}});
+//=> { a: { aa: 'aa', bb: 'bb', cc: 'cc' } }
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [defaults-deep](https://www.npmjs.com/package/defaults-deep): Like `extend` but recursively copies only the missing properties/values to the target object. | [homepage](https://github.com/jonschlinkert/defaults-deep "Like `extend` but recursively copies only the missing properties/values to the target object.")
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://github.com/jonschlinkert/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object "Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.")
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on December 09, 2017._
\ No newline at end of file
diff --git a/node_modules/mixin-deep/index.js b/node_modules/mixin-deep/index.js
new file mode 100644
index 00000000..47face2a
--- /dev/null
+++ b/node_modules/mixin-deep/index.js
@@ -0,0 +1,64 @@
+'use strict';
+
+var isExtendable = require('is-extendable');
+var forIn = require('for-in');
+
+function mixinDeep(target, objects) {
+  var len = arguments.length, i = 0;
+  while (++i < len) {
+    var obj = arguments[i];
+    if (isObject(obj)) {
+      forIn(obj, copy, target);
+    }
+  }
+  return target;
+}
+
+/**
+ * Copy properties from the source object to the
+ * target object.
+ *
+ * @param  {*} `val`
+ * @param  {String} `key`
+ */
+
+function copy(val, key) {
+  if (!isValidKey(key)) {
+    return;
+  }
+
+  var obj = this[key];
+  if (isObject(val) && isObject(obj)) {
+    mixinDeep(obj, val);
+  } else {
+    this[key] = val;
+  }
+}
+
+/**
+ * Returns true if `val` is an object or function.
+ *
+ * @param  {any} val
+ * @return {Boolean}
+ */
+
+function isObject(val) {
+  return isExtendable(val) && !Array.isArray(val);
+}
+
+/**
+ * Returns true if `key` is a valid key to use when extending objects.
+ *
+ * @param  {String} `key`
+ * @return {Boolean}
+ */
+
+function isValidKey(key) {
+  return key !== '__proto__' && key !== 'constructor' && key !== 'prototype';
+};
+
+/**
+ * Expose `mixinDeep`
+ */
+
+module.exports = mixinDeep;
diff --git a/node_modules/mixin-deep/package.json b/node_modules/mixin-deep/package.json
new file mode 100644
index 00000000..0581c46a
--- /dev/null
+++ b/node_modules/mixin-deep/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "mixin-deep",
+  "description": "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.",
+  "version": "1.3.2",
+  "homepage": "https://github.com/jonschlinkert/mixin-deep",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/mixin-deep",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/mixin-deep/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "for-in": "^1.0.2",
+    "is-extendable": "^1.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3",
+    "should": "^13.1.3"
+  },
+  "keywords": [
+    "deep",
+    "extend",
+    "key",
+    "keys",
+    "merge",
+    "mixin",
+    "object",
+    "prop",
+    "properties",
+    "util",
+    "values"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "defaults-deep",
+        "extend-shallow",
+        "merge-deep",
+        "mixin-object"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/mkdirp/LICENSE b/node_modules/mkdirp/LICENSE
new file mode 100644
index 00000000..432d1aeb
--- /dev/null
+++ b/node_modules/mkdirp/LICENSE
@@ -0,0 +1,21 @@
+Copyright 2010 James Halliday (mail@substack.net)
+
+This project is free software released under the MIT/X11 license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/mkdirp/bin/cmd.js b/node_modules/mkdirp/bin/cmd.js
new file mode 100644
index 00000000..d95de15a
--- /dev/null
+++ b/node_modules/mkdirp/bin/cmd.js
@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+var mkdirp = require('../');
+var minimist = require('minimist');
+var fs = require('fs');
+
+var argv = minimist(process.argv.slice(2), {
+    alias: { m: 'mode', h: 'help' },
+    string: [ 'mode' ]
+});
+if (argv.help) {
+    fs.createReadStream(__dirname + '/usage.txt').pipe(process.stdout);
+    return;
+}
+
+var paths = argv._.slice();
+var mode = argv.mode ? parseInt(argv.mode, 8) : undefined;
+
+(function next () {
+    if (paths.length === 0) return;
+    var p = paths.shift();
+    
+    if (mode === undefined) mkdirp(p, cb)
+    else mkdirp(p, mode, cb)
+    
+    function cb (err) {
+        if (err) {
+            console.error(err.message);
+            process.exit(1);
+        }
+        else next();
+    }
+})();
diff --git a/node_modules/mkdirp/bin/usage.txt b/node_modules/mkdirp/bin/usage.txt
new file mode 100644
index 00000000..f952aa2c
--- /dev/null
+++ b/node_modules/mkdirp/bin/usage.txt
@@ -0,0 +1,12 @@
+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+
diff --git a/node_modules/mkdirp/index.js b/node_modules/mkdirp/index.js
new file mode 100644
index 00000000..0890ac3b
--- /dev/null
+++ b/node_modules/mkdirp/index.js
@@ -0,0 +1,102 @@
+var path = require('path');
+var fs = require('fs');
+var _0777 = parseInt('0777', 8);
+
+module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;
+
+function mkdirP (p, opts, f, made) {
+    if (typeof opts === 'function') {
+        f = opts;
+        opts = {};
+    }
+    else if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+    
+    var cb = f || /* istanbul ignore next */ function () {};
+    p = path.resolve(p);
+    
+    xfs.mkdir(p, mode, function (er) {
+        if (!er) {
+            made = made || p;
+            return cb(null, made);
+        }
+        switch (er.code) {
+            case 'ENOENT':
+                /* istanbul ignore if */
+                if (path.dirname(p) === p) return cb(er);
+                mkdirP(path.dirname(p), opts, function (er, made) {
+                    /* istanbul ignore if */
+                    if (er) cb(er, made);
+                    else mkdirP(p, opts, cb, made);
+                });
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                xfs.stat(p, function (er2, stat) {
+                    // if the stat fails, then that's super weird.
+                    // let the original error be the failure reason.
+                    if (er2 || !stat.isDirectory()) cb(er, made)
+                    else cb(null, made);
+                });
+                break;
+        }
+    });
+}
+
+mkdirP.sync = function sync (p, opts, made) {
+    if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+
+    p = path.resolve(p);
+
+    try {
+        xfs.mkdirSync(p, mode);
+        made = made || p;
+    }
+    catch (err0) {
+        switch (err0.code) {
+            case 'ENOENT' :
+                made = sync(path.dirname(p), opts, made);
+                sync(p, opts, made);
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                var stat;
+                try {
+                    stat = xfs.statSync(p);
+                }
+                catch (err1) /* istanbul ignore next */ {
+                    throw err0;
+                }
+                /* istanbul ignore if */
+                if (!stat.isDirectory()) throw err0;
+                break;
+        }
+    }
+
+    return made;
+};
diff --git a/node_modules/mkdirp/package.json b/node_modules/mkdirp/package.json
new file mode 100644
index 00000000..951e58da
--- /dev/null
+++ b/node_modules/mkdirp/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "mkdirp",
+  "description": "Recursively mkdir, like `mkdir -p`",
+  "version": "0.5.6",
+  "publishConfig": {
+    "tag": "legacy"
+  },
+  "author": "James Halliday <mail@substack.net> (http://substack.net)",
+  "main": "index.js",
+  "keywords": [
+    "mkdir",
+    "directory"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/substack/node-mkdirp.git"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "dependencies": {
+    "minimist": "^1.2.6"
+  },
+  "devDependencies": {
+    "tap": "^16.0.1"
+  },
+  "bin": "bin/cmd.js",
+  "license": "MIT",
+  "files": [
+    "bin",
+    "index.js"
+  ]
+}
diff --git a/node_modules/mkdirp/readme.markdown b/node_modules/mkdirp/readme.markdown
new file mode 100644
index 00000000..fc314bfb
--- /dev/null
+++ b/node_modules/mkdirp/readme.markdown
@@ -0,0 +1,100 @@
+# mkdirp
+
+Like `mkdir -p`, but in node.js!
+
+[![build status](https://secure.travis-ci.org/substack/node-mkdirp.png)](http://travis-ci.org/substack/node-mkdirp)
+
+# example
+
+## pow.js
+
+```js
+var mkdirp = require('mkdirp');
+    
+mkdirp('/tmp/foo/bar/baz', function (err) {
+    if (err) console.error(err)
+    else console.log('pow!')
+});
+```
+
+Output
+
+```
+pow!
+```
+
+And now /tmp/foo/bar/baz exists, huzzah!
+
+# methods
+
+```js
+var mkdirp = require('mkdirp');
+```
+
+## mkdirp(dir, opts, cb)
+
+Create a new directory and any necessary subdirectories at `dir` with octal
+permission string `opts.mode`. If `opts` is a non-object, it will be treated as
+the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+`cb(err, made)` fires with the error or the first directory `made`
+that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdir(path, mode, cb)` and
+`opts.fs.stat(path, cb)`.
+
+## mkdirp.sync(dir, opts)
+
+Synchronously create a new directory and any necessary subdirectories at `dir`
+with octal permission string `opts.mode`. If `opts` is a non-object, it will be
+treated as the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+Returns the first directory that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdirSync(path, mode)` and
+`opts.fs.statSync(path)`.
+
+# usage
+
+This package also ships with a `mkdirp` command.
+
+```
+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+
+```
+
+# install
+
+With [npm](http://npmjs.org) do:
+
+```
+npm install mkdirp
+```
+
+to get the library, or
+
+```
+npm install -g mkdirp
+```
+
+to get the command.
+
+# license
+
+MIT
diff --git a/node_modules/move-concurrently/LICENSE b/node_modules/move-concurrently/LICENSE
new file mode 100644
index 00000000..83e7c4c6
--- /dev/null
+++ b/node_modules/move-concurrently/LICENSE
@@ -0,0 +1,14 @@
+Copyright (c) 2017, Rebecca Turner <me@re-becca.org>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/move-concurrently/README.md b/node_modules/move-concurrently/README.md
new file mode 100644
index 00000000..0e6e9b9e
--- /dev/null
+++ b/node_modules/move-concurrently/README.md
@@ -0,0 +1,53 @@
+# move-concurrently
+
+Move files and directories.
+
+```
+const move = require('move-concurrently')
+move('/path/to/thing', '/new/path/thing').then(() => {
+  // thing is now moved!
+}).catch(err => {
+  // oh no!
+})
+```
+
+Uses `rename` to move things as fast as possible.
+
+If you `move` across devices or on filesystems that don't support renaming
+large directories.  That is, situations that result in `rename` returning
+the `EXDEV` error, then `move` will fallback to copy + delete.
+
+When recursively copying directories it will first try to rename the
+contents before falling back to copying.  While this will be slightly slower
+in true cross-device scenarios, it is MUCH faster in cases where the
+filesystem can't handle directory renames.
+
+When copying ownership is maintained when running as root.  Permissions are
+always maintained.  On Windows, if symlinks are unavailable then junctions
+will be used.
+
+## INTERFACE
+
+### move(from, to, options) → Promise
+
+Recursively moves `from` to `to` and resolves its promise when finished.
+If `to` already exists then the promise will be rejected with an `EEXIST`
+error.
+
+Starts by trying to rename `from` to `to`.
+
+Options are:
+
+* maxConcurrency – (Default: `1`) The maximum number of concurrent copies to do at once.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+Options can also include dependency injection:
+
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* writeStreamAtomic - (Default: `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
diff --git a/node_modules/move-concurrently/README.md~ b/node_modules/move-concurrently/README.md~
new file mode 100644
index 00000000..7d04d459
--- /dev/null
+++ b/node_modules/move-concurrently/README.md~
@@ -0,0 +1,52 @@
+# move-concurrently
+
+Move files and directories.
+
+```
+const move = require('move-concurrently')
+move('/path/to/thing', '/new/path/thing'), err => {
+  if (err) throw err
+  // thing is now moved!
+})
+```
+
+Uses `rename` to move things as fast as possible.
+
+If you `move` across devices or on filesystems that don't support renaming
+large directories.  That is, situations that result in `rename` returning
+the `EXDEV` error, then `move` will fallback to copy + delete.
+
+When recursively copying directories it will first try to rename the
+contents before falling back to copying.  While this will be slightly slower
+in true cross-device scenarios, it is MUCH faster in cases where the
+filesystem can't handle directory renames.
+
+When copying ownership is maintained when running as root.  Permissions are
+always maintained.  On Windows, if symlinks are unavailable then junctions
+will be used.
+
+## INTERFACE
+
+### move(from, to, options) → Promise
+
+Recursively moves `from` to `to` and resolves its promise when finished.
+If `to` already exists then the promise will be rejected with an `EEXIST`
+error.
+
+Starts by trying to rename `from` to `to`.
+
+Options are:
+
+* maxConcurrency – (Default: `1`) The maximum number of concurrent copies to do at once.
+* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
+  an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
+  fails then we'll try making a junction instead.
+
+Options can also include dependency injection:
+
+* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
+* fs - (Default: `require('fs')`) The filesystem module to use.  Can be used
+  to use `graceful-fs` or to inject a mock.
+* writeStreamAtomic - (Default: `require('fs-write-stream-atomic')`) The
+  implementation of `writeStreamAtomic` to use.  Used to inject a mock.
+* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
diff --git a/node_modules/move-concurrently/move.js b/node_modules/move-concurrently/move.js
new file mode 100644
index 00000000..6a2a7332
--- /dev/null
+++ b/node_modules/move-concurrently/move.js
@@ -0,0 +1,84 @@
+'use strict'
+module.exports = move
+
+var nodeFs = require('fs')
+var rimraf = require('rimraf')
+var validate = require('aproba')
+var copy = require('copy-concurrently')
+var RunQueue = require('run-queue')
+var extend = Object.assign || require('util')._extend
+
+function promisify (Promise, fn) {
+  return function () {
+    var args = [].slice.call(arguments)
+    return new Promise(function (resolve, reject) {
+      return fn.apply(null, args.concat(function (err, value) {
+        if (err) {
+          reject(err)
+        } else {
+          resolve(value)
+        }
+      }))
+    })
+  }
+}
+
+function move (from, to, opts) {
+  validate('SSO|SS', arguments)
+  opts = extend({}, opts || {})
+
+  var Promise = opts.Promise || global.Promise
+  var fs = opts.fs || nodeFs
+  var rimrafAsync = promisify(Promise, rimraf)
+  var renameAsync = promisify(Promise, fs.rename)
+
+  opts.top = from
+
+  var queue = new RunQueue({
+    maxConcurrency: opts.maxConcurrency,
+    Promise: Promise
+  })
+  opts.queue = queue
+  opts.recurseWith = rename
+
+  queue.add(0, rename, [from, to, opts])
+
+  return queue.run().then(function () {
+    return remove(from)
+  }, function (err) {
+    // if the target already exists don't clobber it
+    if (err.code === 'EEXIST' || err.code === 'EPERM') {
+      return passThroughError()
+    } else {
+      return remove(to).then(passThroughError, passThroughError)
+    }
+    function passThroughError () {
+      return Promise.reject(err)
+    }
+  })
+
+  function remove (target) {
+    var opts = {
+      unlink: fs.unlink,
+      chmod: fs.chmod,
+      stat: fs.stat,
+      lstat: fs.lstat,
+      rmdir: fs.rmdir,
+      readdir: fs.readdir,
+      glob: false
+    }
+    return rimrafAsync(target, opts)
+  }
+
+  function rename (from, to, opts, done) {
+    return renameAsync(from, to).catch(function (err) {
+      if (err.code !== 'EXDEV') {
+        return Promise.reject(err)
+      } else {
+        return remove(to).then(function () {
+          return copy.item(from, to, opts)
+        })
+      }
+    })
+  }
+}
diff --git a/node_modules/move-concurrently/package.json b/node_modules/move-concurrently/package.json
new file mode 100644
index 00000000..072a3ff9
--- /dev/null
+++ b/node_modules/move-concurrently/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "move-concurrently",
+  "version": "1.0.1",
+  "description": "Promises of moves of files or directories with rename, falling back to recursive rename/copy on EXDEV errors, with configurable concurrency and win32 junction support.",
+  "main": "move.js",
+  "scripts": {
+    "test": "standard && tap --coverage test"
+  },
+  "keywords": [
+    "move"
+  ],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org/)",
+  "license": "ISC",
+  "dependencies": {
+    "copy-concurrently": "^1.0.0",
+    "aproba": "^1.1.1",
+    "fs-write-stream-atomic": "^1.0.8",
+    "mkdirp": "^0.5.1",
+    "rimraf": "^2.5.4",
+    "run-queue": "^1.0.3"
+  },
+  "devDependencies": {
+    "standard": "^8.6.0",
+    "tacks": "^1.2.6",
+    "tap": "^10.1.1"
+  },
+  "files": [
+    "move.js",
+    "is-windows.js"
+  ],
+  "directories": {
+    "test": "test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/npm/move-concurrently.git"
+  },
+  "bugs": {
+    "url": "https://github.com/npm/move-concurrently/issues"
+  },
+  "homepage": "https://www.npmjs.com/package/move-concurrently"
+}
diff --git a/node_modules/ms/index.js b/node_modules/ms/index.js
new file mode 100644
index 00000000..6a522b16
--- /dev/null
+++ b/node_modules/ms/index.js
@@ -0,0 +1,152 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function(val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isNaN(val) === false) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  if (ms >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (ms >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (ms >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (ms >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  return plural(ms, d, 'day') ||
+    plural(ms, h, 'hour') ||
+    plural(ms, m, 'minute') ||
+    plural(ms, s, 'second') ||
+    ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, n, name) {
+  if (ms < n) {
+    return;
+  }
+  if (ms < n * 1.5) {
+    return Math.floor(ms / n) + ' ' + name;
+  }
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}
diff --git a/node_modules/ms/license.md b/node_modules/ms/license.md
new file mode 100644
index 00000000..69b61253
--- /dev/null
+++ b/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Zeit, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/ms/package.json b/node_modules/ms/package.json
new file mode 100644
index 00000000..6a31c81f
--- /dev/null
+++ b/node_modules/ms/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "ms",
+  "version": "2.0.0",
+  "description": "Tiny milisecond conversion utility",
+  "repository": "zeit/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "expect.js": "0.3.1",
+    "husky": "0.13.3",
+    "lint-staged": "3.4.1",
+    "mocha": "3.4.1"
+  }
+}
diff --git a/node_modules/ms/readme.md b/node_modules/ms/readme.md
new file mode 100644
index 00000000..84a9974c
--- /dev/null
+++ b/node_modules/ms/readme.md
@@ -0,0 +1,51 @@
+# ms
+
+[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
+[![Slack Channel](http://zeit-slackin.now.sh/badge.svg)](https://zeit.chat/)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+```
+
+### Convert from milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time format written-out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [node](https://nodejs.org) and in the browser.
+- If a number is supplied to `ms`, a string with a unit is returned.
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`).
+- If you pass a string with a number and a valid unit, the number of equivalent ms is returned.
+
+## Caught a bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, node will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/node_modules/nanomatch/CHANGELOG.md b/node_modules/nanomatch/CHANGELOG.md
new file mode 100644
index 00000000..8c3aead9
--- /dev/null
+++ b/node_modules/nanomatch/CHANGELOG.md
@@ -0,0 +1,57 @@
+## History
+
+### key
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog][]_):
+
+- `added`: for new features
+- `changed`: for changes in existing functionality
+- `deprecated`: for once-stable features removed in upcoming releases
+- `removed`: for deprecated features removed in this release
+- `fixed`: for any bug fixes
+- `bumped`: updated dependencies, only minor or higher will be listed.
+
+### [1.1.0] - 2017-04-11
+
+**Fixed**
+
+- adds support for unclosed quotes
+
+**Added**
+
+- adds support for `options.noglobstar`
+
+### [1.0.4] - 2017-04-06
+
+Housekeeping updates. Adds documentation section about escaping, cleans up utils.
+
+### [1.0.3] - 2017-04-06
+
+This release includes fixes for windows path edge cases and other improvements for stricter adherence to bash spec. 
+
+**Fixed**
+
+- More windows path edge cases
+
+**Added**
+
+- Support for bash-like quoted strings for escaping sequences of characters, such as `foo/"**"/bar` where `**` should be matched literally and not evaluated as special characters.
+
+### [1.0.1] - 2016-12-12
+
+**Added**
+
+- Support for windows path edge cases where backslashes are used in brackets or other unusual combinations.
+
+### [1.0.0] - 2016-12-12
+
+Stable release.
+
+### [0.1.0] - 2016-10-08
+
+First release.
+
+[Unreleased]: https://github.com/jonschlinkert/nanomatch/compare/0.1.0...HEAD
+[0.2.0]: https://github.com/jonschlinkert/nanomatch/compare/0.1.0...0.2.0
+
+[keep-a-changelog]: https://github.com/olivierlacan/keep-a-changelog
diff --git a/node_modules/nanomatch/LICENSE b/node_modules/nanomatch/LICENSE
new file mode 100644
index 00000000..7c9987bc
--- /dev/null
+++ b/node_modules/nanomatch/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/nanomatch/README.md b/node_modules/nanomatch/README.md
new file mode 100644
index 00000000..bdd35a94
--- /dev/null
+++ b/node_modules/nanomatch/README.md
@@ -0,0 +1,1148 @@
+# nanomatch [![NPM version](https://img.shields.io/npm/v/nanomatch.svg?style=flat)](https://www.npmjs.com/package/nanomatch) [![NPM monthly downloads](https://img.shields.io/npm/dm/nanomatch.svg?style=flat)](https://npmjs.org/package/nanomatch) [![NPM total downloads](https://img.shields.io/npm/dt/nanomatch.svg?style=flat)](https://npmjs.org/package/nanomatch) [![Linux Build Status](https://img.shields.io/travis/micromatch/nanomatch.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/nanomatch) [![Windows Build Status](https://img.shields.io/appveyor/ci/micromatch/nanomatch.svg?style=flat&label=AppVeyor)](https://ci.appveyor.com/project/micromatch/nanomatch)
+
+> Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Table of Contents
+
+<details>
+<summary><strong>Details</strong></summary>
+
+- [Install](#install)
+- [What is nanomatch?](#what-is-nanomatch)
+- [Getting started](#getting-started)
+  * [Installing nanomatch](#installing-nanomatch)
+  * [Usage](#usage)
+- [Documentation](#documentation)
+  * [Escaping](#escaping)
+- [API](#api)
+- [Options](#options)
+  * [options.basename](#optionsbasename)
+  * [options.bash](#optionsbash)
+  * [options.cache](#optionscache)
+  * [options.dot](#optionsdot)
+  * [options.failglob](#optionsfailglob)
+  * [options.ignore](#optionsignore)
+  * [options.matchBase](#optionsmatchbase)
+  * [options.nocase](#optionsnocase)
+  * [options.nodupes](#optionsnodupes)
+  * [options.noglobstar](#optionsnoglobstar)
+  * [options.nonegate](#optionsnonegate)
+  * [options.nonull](#optionsnonull)
+  * [options.nullglob](#optionsnullglob)
+  * [options.slash](#optionsslash)
+  * [options.star](#optionsstar)
+  * [options.snapdragon](#optionssnapdragon)
+  * [options.sourcemap](#optionssourcemap)
+  * [options.unescape](#optionsunescape)
+  * [options.unixify](#optionsunixify)
+- [Features](#features)
+- [Bash expansion libs](#bash-expansion-libs)
+- [Benchmarks](#benchmarks)
+  * [Running benchmarks](#running-benchmarks)
+  * [Nanomatch vs. Minimatch vs. Multimatch](#nanomatch-vs-minimatch-vs-multimatch)
+- [About](#about)
+
+</details>
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save nanomatch
+```
+
+<details>
+<summary><strong>Release history</strong></summary>
+
+## History
+
+### key
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog](https://github.com/olivierlacan/keep-a-changelog)_):
+
+* `added`: for new features
+* `changed`: for changes in existing functionality
+* `deprecated`: for once-stable features removed in upcoming releases
+* `removed`: for deprecated features removed in this release
+* `fixed`: for any bug fixes
+* `bumped`: updated dependencies, only minor or higher will be listed.
+
+### [1.1.0](https://github.com/micromatch/nanomatch/compare/1.0.4...1.1.0) - 2017-04-11
+
+**Fixed**
+
+* adds support for unclosed quotes
+
+**Added**
+
+* adds support for `options.noglobstar`
+
+### [1.0.4](https://github.com/micromatch/nanomatch/compare/1.0.3...1.0.4) - 2017-04-06
+
+Housekeeping updates. Adds documentation section about escaping, cleans up utils.
+
+### [1.0.3](https://github.com/micromatch/nanomatch/compare/1.0.1...1.0.3) - 2017-04-06
+
+This release includes fixes for windows path edge cases and other improvements for stricter adherence to bash spec.
+
+**Fixed**
+
+* More windows path edge cases
+
+**Added**
+
+* Support for bash-like quoted strings for escaping sequences of characters, such as `foo/"**"/bar` where `**` should be matched literally and not evaluated as special characters.
+
+### [1.0.1](https://github.com/micromatch/nanomatch/compare/1.0.0...1.0.1) - 2016-12-12
+
+**Added**
+
+* Support for windows path edge cases where backslashes are used in brackets or other unusual combinations.
+
+### [1.0.0](https://github.com/micromatch/nanomatch/compare/0.1.0...1.0.0) - 2016-12-12
+
+Stable release.
+
+### [0.1.0] - 2016-10-08
+
+First release.
+
+</details>
+
+## What is nanomatch?
+
+Nanomatch is a fast and accurate glob matcher with full support for standard Bash glob features, including the following "metacharacters": `*`, `**`, `?` and `[...]`.
+
+**Learn more**
+
+* [Getting started](#getting-started): learn how to install and begin using nanomatch
+* [Features](#features): jump to info about supported patterns, and a glob matching reference
+* [API documentation](#api): jump to available options and methods
+* [Unit tests](test): visit unit tests. there is no better way to learn a code library than spending time the unit tests. Nanomatch has 36,000 unit tests - go become a glob matching ninja!
+
+<details>
+<summary><strong>How is this different?</strong></summary>
+
+**Speed and accuracy**
+
+Nanomatch uses [snapdragon](https://github.com/jonschlinkert/snapdragon) for parsing and compiling globs, which results in:
+
+* Granular control over the entire conversion process in a way that is easy to understand, reason about, and customize.
+* Faster matching, from a combination of optimized glob patterns and (optional) caching.
+* Much greater accuracy than minimatch. In fact, nanomatch passes _all of the spec tests_ from bash, including some that bash still fails. However, since there is no real specification for globs, if you encounter a pattern that yields unexpected match results [after researching previous issues](../../issues), [please let us know](../../issues/new).
+
+**Basic globbing only**
+
+Nanomatch supports [basic globbing only](#features), which is limited to `*`, `**`, `?` and regex-like brackets.
+
+If you need support for the other [bash "expansion" types](#bash-expansion-libs) (in addition to the wildcard matching provided by nanomatch), consider using [micromatch](https://github.com/micromatch/micromatch) instead. _(micromatch >=3.0.0  uses the nanomatch parser and compiler for basic glob matching)_
+
+</details>
+
+## Getting started
+
+### Installing nanomatch
+
+**Install with [yarn](https://yarnpkg.com/)**
+
+```sh
+$ yarn add nanomatch
+```
+
+**Install with [npm](https://npmjs.com)**
+
+```sh
+$ npm install nanomatch
+```
+
+### Usage
+
+Add nanomatch to your project using node's `require()` system:
+
+```js
+var nanomatch = require('nanomatch');
+
+// the main export is a function that takes an array of strings to match
+// and a string or array of patterns to use for matching
+nanomatch(list, patterns[, options]);
+```
+
+**Params**
+
+* `list` **{String|Array}**: List of strings to perform matches against. This is often a list of file paths.
+* `patterns` **{String|Array}**: One or more [glob paterns](#features) to use for matching.
+* `options` **{Object}**: Any [supported options](#options) may be passed
+
+**Examples**
+
+```js
+var nm = require('nanomatch');
+console.log(nm(['a', 'b/b', 'c/c/c'], '*'));
+//=> ['a']
+
+console.log(nm(['a', 'b/b', 'c/c/c'], '*/*'));
+//=> ['b/b']
+
+console.log(nm(['a', 'b/b', 'c/c/c'], '**'));
+//=> ['a', 'b/b', 'c/c/c']
+```
+
+See the [API documentation](#api) for available methods and [options](https://github.com/einaros/options.js).
+
+## Documentation
+
+### Escaping
+
+_Backslashes and quotes_ can be used to escape characters, forcing nanomatch to regard those characters as a literal characters.
+
+**Backslashes**
+
+Use backslashes to escape single characters. For example, the following pattern would match `foo/*/bar` exactly:
+
+```js
+'foo/\*/bar'
+```
+
+The following pattern would match `foo/` followed by a literal `*`, followed by zero or more of any characters besides `/`, followed by `/bar`.
+
+```js
+'foo/\**/bar'
+```
+
+**Quoted strings**
+
+Use single or double quotes to escape sequences of characters. For example, the following patterns would match `foo/**/bar` exactly:
+
+```js
+'foo/"**"/bar'
+'foo/\'**\'/bar'
+"foo/'**'/bar"
+```
+
+**Matching literal quotes**
+
+If you need to match quotes literally, you can escape them as well. For example, the following will match `foo/"*"/bar`, `foo/"a"/bar`, `foo/"b"/bar`, or `foo/"c"/bar`:
+
+```js
+'foo/\\"*\\"/bar'
+```
+
+And the following will match `foo/'*'/bar`, `foo/'a'/bar`, `foo/'b'/bar`, or `foo/'c'/bar`:
+
+```js
+'foo/\\\'*\\\'/bar'
+```
+
+## API
+
+### [nanomatch](index.js#L40)
+
+The main function takes a list of strings and one or more glob patterns to use for matching.
+
+**Params**
+
+* `list` **{Array}**: A list of strings to match
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of matches
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm(list, patterns[, options]);
+
+console.log(nm(['a.js', 'a.txt'], ['*.js']));
+//=> [ 'a.js' ]
+```
+
+### [.match](index.js#L106)
+
+Similar to the main function, but `pattern` must be a string.
+
+**Params**
+
+* `list` **{Array}**: Array of strings to match
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of matches
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.match(list, pattern[, options]);
+
+console.log(nm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
+//=> ['a.a', 'a.aa']
+```
+
+### [.isMatch](index.js#L167)
+
+Returns true if the specified `string` matches the given glob `pattern`.
+
+**Params**
+
+* `string` **{String}**: String to match
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if the string matches the glob pattern.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.isMatch(string, pattern[, options]);
+
+console.log(nm.isMatch('a.a', '*.a'));
+//=> true
+console.log(nm.isMatch('a.b', '*.a'));
+//=> false
+```
+
+### [.some](index.js#L205)
+
+Returns true if some of the elements in the given `list` match any of the given glob `patterns`.
+
+**Params**
+
+* `list` **{String|Array}**: The string or array of strings to test. Returns as soon as the first match is found.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.some(list, patterns[, options]);
+
+console.log(nm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+// true
+console.log(nm.some(['foo.js'], ['*.js', '!foo.js']));
+// false
+```
+
+### [.every](index.js#L243)
+
+Returns true if every element in the given `list` matches at least one of the given glob `patterns`.
+
+**Params**
+
+* `list` **{String|Array}**: The string or array of strings to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.every(list, patterns[, options]);
+
+console.log(nm.every('foo.js', ['foo.js']));
+// true
+console.log(nm.every(['foo.js', 'bar.js'], ['*.js']));
+// true
+console.log(nm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+// false
+console.log(nm.every(['foo.js'], ['*.js', '!foo.js']));
+// false
+```
+
+### [.any](index.js#L277)
+
+Returns true if **any** of the given glob `patterns` match the specified `string`.
+
+**Params**
+
+* `str` **{String|Array}**: The string to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.any(string, patterns[, options]);
+
+console.log(nm.any('a.a', ['b.*', '*.a']));
+//=> true
+console.log(nm.any('a.a', 'b.*'));
+//=> false
+```
+
+### [.all](index.js#L325)
+
+Returns true if **all** of the given `patterns` match the specified string.
+
+**Params**
+
+* `str` **{String|Array}**: The string to test.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.all(string, patterns[, options]);
+
+console.log(nm.all('foo.js', ['foo.js']));
+// true
+
+console.log(nm.all('foo.js', ['*.js', '!foo.js']));
+// false
+
+console.log(nm.all('foo.js', ['*.js', 'foo.js']));
+// true
+
+console.log(nm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
+// true
+```
+
+### [.not](index.js#L359)
+
+Returns a list of strings that _**do not match any**_ of the given `patterns`.
+
+**Params**
+
+* `list` **{Array}**: Array of strings to match.
+* `patterns` **{String|Array}**: One or more glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Array}**: Returns an array of strings that **do not match** the given patterns.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.not(list, patterns[, options]);
+
+console.log(nm.not(['a.a', 'b.b', 'c.c'], '*.a'));
+//=> ['b.b', 'c.c']
+```
+
+### [.contains](index.js#L394)
+
+Returns true if the given `string` contains the given pattern. Similar to [.isMatch](#isMatch) but the pattern can match any part of the string.
+
+**Params**
+
+* `str` **{String}**: The string to match.
+* `patterns` **{String|Array}**: Glob pattern to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns true if the patter matches any part of `str`.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.contains(string, pattern[, options]);
+
+console.log(nm.contains('aa/bb/cc', '*b'));
+//=> true
+console.log(nm.contains('aa/bb/cc', '*d'));
+//=> false
+```
+
+### [.matchKeys](index.js#L450)
+
+Filter the keys of the given object with the given `glob` pattern and `options`. Does not attempt to match nested keys. If you need this feature, use [glob-object](https://github.com/jonschlinkert/glob-object) instead.
+
+**Params**
+
+* `object` **{Object}**: The object with keys to filter.
+* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Object}**: Returns an object with only keys that match the given patterns.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.matchKeys(object, patterns[, options]);
+
+var obj = { aa: 'a', ab: 'b', ac: 'c' };
+console.log(nm.matchKeys(obj, '*b'));
+//=> { ab: 'b' }
+```
+
+### [.matcher](index.js#L479)
+
+Returns a memoized matcher function from the given glob `pattern` and `options`. The returned function takes a string to match as its only argument and returns true if the string is a match.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
+* `returns` **{Function}**: Returns a matcher function.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.matcher(pattern[, options]);
+
+var isMatch = nm.matcher('*.!(*a)');
+console.log(isMatch('a.a'));
+//=> false
+console.log(isMatch('a.b'));
+//=> true
+```
+
+### [.capture](index.js#L560)
+
+Returns an array of matches captured by `pattern` in `string, or`null` if the pattern did not match.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern to use for matching.
+* `string` **{String}**: String to match
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed
+* `returns` **{Boolean}**: Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.capture(pattern, string[, options]);
+
+console.log(nm.capture('test/*.js', 'test/foo.js'));
+//=> ['foo']
+console.log(nm.capture('test/*.js', 'foo/bar.css'));
+//=> null
+```
+
+### [.makeRe](index.js#L595)
+
+Create a regular expression from the given glob `pattern`.
+
+**Params**
+
+* `pattern` **{String}**: A glob pattern to convert to regex.
+* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
+* `returns` **{RegExp}**: Returns a regex created from the given pattern.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.makeRe(pattern[, options]);
+
+console.log(nm.makeRe('*.js'));
+//=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
+```
+
+### [.create](index.js#L658)
+
+Parses the given glob `pattern` and returns an object with the compiled `output` and optional source `map`.
+
+**Params**
+
+* `pattern` **{String}**: Glob pattern to parse and compile.
+* `options` **{Object}**: Any [options](#options) to change how parsing and compiling is performed.
+* `returns` **{Object}**: Returns an object with the parsed AST, compiled string and optional source map.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.create(pattern[, options]);
+
+console.log(nm.create('abc/*.js'));
+// { options: { source: 'string', sourcemap: true },
+//   state: {},
+//   compilers:
+//    { ... },
+//   output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
+//   ast:
+//    { type: 'root',
+//      errors: [],
+//      nodes:
+//       [ ... ],
+//      dot: false,
+//      input: 'abc/*.js' },
+//   parsingErrors: [],
+//   map:
+//    { version: 3,
+//      sources: [ 'string' ],
+//      names: [],
+//      mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
+//      sourcesContent: [ 'abc/*.js' ] },
+//   position: { line: 1, column: 28 },
+//   content: {},
+//   files: {},
+//   idx: 6 }
+```
+
+### [.parse](index.js#L697)
+
+Parse the given `str` with the given `options`.
+
+**Params**
+
+* `str` **{String}**
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an AST
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.parse(pattern[, options]);
+
+var ast = nm.parse('a/{b,c}/d');
+console.log(ast);
+// { type: 'root',
+//   errors: [],
+//   input: 'a/{b,c}/d',
+//   nodes:
+//    [ { type: 'bos', val: '' },
+//      { type: 'text', val: 'a/' },
+//      { type: 'brace',
+//        nodes:
+//         [ { type: 'brace.open', val: '{' },
+//           { type: 'text', val: 'b,c' },
+//           { type: 'brace.close', val: '}' } ] },
+//      { type: 'text', val: '/d' },
+//      { type: 'eos', val: '' } ] }
+```
+
+### [.compile](index.js#L745)
+
+Compile the given `ast` or string with the given `options`.
+
+**Params**
+
+* `ast` **{Object|String}**
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an object that has an `output` property with the compiled string.
+
+**Example**
+
+```js
+var nm = require('nanomatch');
+nm.compile(ast[, options]);
+
+var ast = nm.parse('a/{b,c}/d');
+console.log(nm.compile(ast));
+// { options: { source: 'string' },
+//   state: {},
+//   compilers:
+//    { eos: [Function],
+//      noop: [Function],
+//      bos: [Function],
+//      brace: [Function],
+//      'brace.open': [Function],
+//      text: [Function],
+//      'brace.close': [Function] },
+//   output: [ 'a/(b|c)/d' ],
+//   ast:
+//    { ... },
+//   parsingErrors: [] }
+```
+
+### [.clearCache](index.js#L768)
+
+Clear the regex cache.
+
+**Example**
+
+```js
+nm.clearCache();
+```
+
+## Options
+
+<details>
+<summary><strong>basename</strong></summary>
+
+### options.basename
+
+Allow glob patterns without slashes to match a file path based on its basename. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `matchBase`.
+
+Type: `boolean`
+
+Default: `false`
+
+**Example**
+
+```js
+nm(['a/b.js', 'a/c.md'], '*.js');
+//=> []
+
+nm(['a/b.js', 'a/c.md'], '*.js', {matchBase: true});
+//=> ['a/b.js']
+```
+
+</details>
+
+<details>
+<summary><strong>bash</strong></summary>
+
+### options.bash
+
+Enabled by default, this option enforces bash-like behavior with stars immediately following a bracket expression. Bash bracket expressions are similar to regex character classes, but unlike regex, a star following a bracket expression **does not repeat the bracketed characters**. Instead, the star is treated the same as an other star.
+
+Type: `boolean`
+
+Default: `true`
+
+**Example**
+
+```js
+var files = ['abc', 'ajz'];
+console.log(nm(files, '[a-c]*'));
+//=> ['abc', 'ajz']
+
+console.log(nm(files, '[a-c]*', {bash: false}));
+```
+
+</details>
+
+<details>
+<summary><strong>cache</strong></summary>
+
+### options.cache
+
+Disable regex and function memoization.
+
+Type: `boolean`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>dot</strong></summary>
+
+### options.dot
+
+Match dotfiles. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `dot`.
+
+Type: `boolean`
+
+Default: `false`
+
+</details>
+
+<details>
+<summary><strong>failglob</strong></summary>
+
+### options.failglob
+
+Similar to the `--failglob` behavior in Bash, throws an error when no matches are found.
+
+Type: `boolean`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>ignore</strong></summary>
+
+### options.ignore
+
+String or array of glob patterns to match files to ignore.
+
+Type: `String|Array`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>matchBase</strong></summary>
+
+### options.matchBase
+
+Alias for [options.basename](#options-basename).
+
+</details>
+
+<details>
+<summary><strong>nocase</strong></summary>
+
+### options.nocase
+
+Use a case-insensitive regex for matching files. Same behavior as [minimatch](https://github.com/isaacs/minimatch).
+
+Type: `boolean`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>nodupes</strong></summary>
+
+### options.nodupes
+
+Remove duplicate elements from the result array.
+
+Type: `boolean`
+
+Default: `true` (enabled by default)
+
+**Example**
+
+Example of using the `unescape` and `nodupes` options together:
+
+```js
+nm.match(['a/b/c', 'a/b/c'], '**');
+//=> ['abc']
+
+nm.match(['a/b/c', 'a/b/c'], '**', {nodupes: false});
+//=> ['a/b/c', 'a/b/c']
+```
+
+</details>
+
+<details>
+<summary><strong>nonegate</strong></summary>
+
+### options.noglobstar
+
+Disable matching with globstars (`**`).
+
+Type: `boolean`
+
+Default: `undefined`
+
+```js
+nm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**');
+//=> ['a/b', 'a/b/c', 'a/b/c/d']
+
+nm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**', {noglobstar: true});
+//=> ['a/b']
+```
+
+</details>
+
+<details>
+<summary><strong>nonegate</strong></summary>
+
+### options.nonegate
+
+Disallow negation (`!`) patterns, and treat leading `!` as a literal character to match.
+
+Type: `boolean`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>nonull</strong></summary>
+
+### options.nonull
+
+Alias for [options.nullglob](#options-nullglob).
+
+</details>
+
+<details>
+<summary><strong>nullglob</strong></summary>
+
+### options.nullglob
+
+If `true`, when no matches are found the actual (arrayified) glob pattern is returned instead of an empty array. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `nonull`.
+
+Type: `boolean`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong><a name="slash">slash</a></strong></summary>
+
+### options.slash
+
+Customize the slash character(s) to use for matching.
+
+Type: `string|function`
+
+Default: `[/\\]` (forward slash and backslash)
+
+</details>
+
+<details>
+<summary><strong><a name="star">star</a></strong></summary>
+
+### options.star
+
+Customize the star character(s) to use for matching. It's not recommended that you modify this unless you have advanced knowledge of the compiler and matching rules.
+
+Type: `string|function`
+
+Default: `[^/\\]*?`
+
+</details>
+
+<details>
+<summary><strong><a name="snapdragon">snapdragon</a></strong></summary>
+
+### options.snapdragon
+
+Pass your own instance of [snapdragon](https://github.com/jonschlinkert/snapdragon) to customize parsers or compilers.
+
+Type: `object`
+
+Default: `undefined`
+
+</details>
+
+<details>
+<summary><strong>snapdragon</strong></summary>
+
+### options.sourcemap
+
+Generate a source map by enabling the `sourcemap` option with the `.parse`, `.compile`, or `.create` methods.
+
+**Examples**
+
+```js
+var nm = require('nanomatch');
+
+var res = nm.create('abc/*.js', {sourcemap: true});
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'string' ],
+//   names: [],
+//   mappings: 'AAAA,GAAG,EAAC,iBAAC,EAAC,EAAE',
+//   sourcesContent: [ 'abc/*.js' ] }
+
+var ast = nm.parse('abc/**/*.js');
+var res = nm.compile(ast, {sourcemap: true});
+console.log(res.map);
+// { version: 3,
+//   sources: [ 'string' ],
+//   names: [],
+//   mappings: 'AAAA,GAAG,EAAC,2BAAE,EAAC,iBAAC,EAAC,EAAE',
+//   sourcesContent: [ 'abc/**/*.js' ] }
+```
+
+</details>
+
+<details>
+<summary><strong>unescape</strong></summary>
+
+### options.unescape
+
+Remove backslashes from returned matches.
+
+Type: `boolean`
+
+Default: `undefined`
+
+**Example**
+
+In this example we want to match a literal `*`:
+
+```js
+nm.match(['abc', 'a\\*c'], 'a\\*c');
+//=> ['a\\*c']
+
+nm.match(['abc', 'a\\*c'], 'a\\*c', {unescape: true});
+//=> ['a*c']
+```
+
+</details>
+
+<details>
+<summary><strong>unixify</strong></summary>
+
+### options.unixify
+
+Convert path separators on returned files to posix/unix-style forward slashes.
+
+Type: `boolean`
+
+Default: `true`
+
+**Example**
+
+```js
+nm.match(['a\\b\\c'], 'a/**');
+//=> ['a/b/c']
+
+nm.match(['a\\b\\c'], {unixify: false});
+//=> ['a\\b\\c']
+```
+
+</details>
+
+## Features
+
+Nanomatch has full support for standard Bash glob features, including the following "metacharacters": `*`, `**`, `?` and `[...]`.
+
+Here are some examples of how they work:
+
+| **Pattern** | **Description** | 
+| --- | --- |
+| `*` | Matches any string except for `/`, leading `.`, or `/.` inside a path |
+| `**` | Matches any string including `/`, but not a leading `.` or `/.` inside a path. More than two stars (e.g. `***` is treated the same as one star, and `**` loses its special meaning | when it's not the only thing in a path segment, per Bash specifications) |
+| `foo*` | Matches any string beginning with `foo` |
+| `*bar*` | Matches any string containing `bar` (beginning, middle or end) |
+| `*.min.js` | Matches any string ending with `.min.js` |
+| `[abc]*.js` | Matches any string beginning with `a`, `b`, or `c` and ending with `.js` |
+| `abc?` | Matches `abcd` or `abcz` but not `abcde` |
+
+The exceptions noted for `*` apply to all patterns that contain a `*`.
+
+**Not supported**
+
+The following extended-globbing features are not supported:
+
+* [brace expansion](https://github.com/jonschlinkert/braces) (e.g. `{a,b,c}`)
+* [extglobs](https://github.com/jonschlinkert/extglob) (e.g. `@(a|!(c|d))`)
+* [POSIX brackets](https://github.com/jonschlinkert/expand-brackets) (e.g. `[[:alpha:][:digit:]]`)
+
+If you need any of these features consider using [micromatch](https://github.com/micromatch/micromatch) instead.
+
+## Bash expansion libs
+
+Nanomatch is part of a suite of libraries aimed at bringing the power and expressiveness of [Bash's](https://www.gnu.org/software/bash/) matching and expansion capabilities to JavaScript, _and - as you can see by the [benchmarks](#benchmarks) - without sacrificing speed_.
+
+| **Related library** | **Matching Type** | **Example** | **Description** | 
+| --- | --- | --- | --- |
+| `nanomatch` (you are here) | Wildcards | `*` | [Filename expansion](https://www.gnu.org/software/bash/manual/html_node/Filename-Expansion.html#Filename-Expansion), also referred to as globbing and pathname expansion, allows the use of [wildcards](#features) for matching. |
+| [expand-tilde](https://github.com/jonschlinkert/expand-tilde) | Tildes | `~` | [Tilde expansion](https://www.gnu.org/software/bash/manual/html_node/Tilde-Expansion.html#Tilde-Expansion) converts the leading tilde in a file path to the user home directory. |
+| [braces](https://github.com/jonschlinkert/braces) | Braces | `{a,b,c}` | [Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html) |
+| [expand-brackets](https://github.com/jonschlinkert/expand-brackets) | Brackets | `[[:alpha:]]` | [POSIX character classes](https://www.gnu.org/software/grep/manual/html_node/Character-Classes-and-Bracket-Expressions.html) (also referred to as POSIX brackets, or POSIX character classes) |
+| [extglob](https://github.com/jonschlinkert/extglob) | Parens | `!(a\ | b)` | [Extglobs](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html#Pattern-Matching) |
+| [micromatch](https://github.com/micromatch/micromatch) | All | all | Micromatch is built on top of the other libraries. |
+
+There are many resources available on the web if you want to dive deeper into how these features work in Bash.
+
+## Benchmarks
+
+### Running benchmarks
+
+Install dev dependencies:
+
+```bash
+npm i -d && node benchmark
+```
+
+### Nanomatch vs. Minimatch vs. Multimatch
+
+```bash
+# globstar-basic (182 bytes)
+  minimatch x 69,512 ops/sec ±1.92% (88 runs sampled)
+  multimatch x 63,376 ops/sec ±1.41% (89 runs sampled)
+  nanomatch x 432,451 ops/sec ±0.92% (88 runs sampled)
+
+  fastest is nanomatch (by 651% avg)
+
+# large-list-globstar (485686 bytes)
+  minimatch x 34.02 ops/sec ±1.42% (59 runs sampled)
+  multimatch x 33.58 ops/sec ±1.97% (58 runs sampled)
+  nanomatch x 483 ops/sec ±1.06% (86 runs sampled)
+
+  fastest is nanomatch (by 1429% avg)
+
+# long-list-globstar (194085 bytes)
+  minimatch x 383 ops/sec ±0.74% (90 runs sampled)
+  multimatch x 378 ops/sec ±0.59% (89 runs sampled)
+  nanomatch x 990 ops/sec ±1.14% (85 runs sampled)
+
+  fastest is nanomatch (by 260% avg)
+
+# negation-basic (132 bytes)
+  minimatch x 242,145 ops/sec ±1.17% (89 runs sampled)
+  multimatch x 76,403 ops/sec ±0.78% (92 runs sampled)
+  nanomatch x 537,253 ops/sec ±1.44% (86 runs sampled)
+
+  fastest is nanomatch (by 337% avg)
+
+# not-glob-basic (93 bytes)
+  minimatch x 252,402 ops/sec ±1.33% (89 runs sampled)
+  multimatch x 209,954 ops/sec ±1.30% (90 runs sampled)
+  nanomatch x 1,716,468 ops/sec ±1.13% (86 runs sampled)
+
+  fastest is nanomatch (by 742% avg)
+
+# star-basic (93 bytes)
+  minimatch x 182,780 ops/sec ±1.41% (91 runs sampled)
+  multimatch x 153,210 ops/sec ±0.72% (89 runs sampled)
+  nanomatch x 599,621 ops/sec ±1.22% (90 runs sampled)
+
+  fastest is nanomatch (by 357% avg)
+
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [extglob](https://www.npmjs.com/package/extglob): Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob… [more](https://github.com/micromatch/extglob) | [homepage](https://github.com/micromatch/extglob "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.")
+* [is-extglob](https://www.npmjs.com/package/is-extglob): Returns true if a string has an extglob. | [homepage](https://github.com/jonschlinkert/is-extglob "Returns true if a string has an extglob.")
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 164 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [devongovett](https://github.com/devongovett) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 18, 2018._
\ No newline at end of file
diff --git a/node_modules/nanomatch/index.js b/node_modules/nanomatch/index.js
new file mode 100644
index 00000000..dddc6128
--- /dev/null
+++ b/node_modules/nanomatch/index.js
@@ -0,0 +1,838 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var util = require('util');
+var toRegex = require('to-regex');
+var extend = require('extend-shallow');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var cache = require('./lib/cache');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * The main function takes a list of strings and one or more
+ * glob patterns to use for matching.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm(list, patterns[, options]);
+ *
+ * console.log(nm(['a.js', 'a.txt'], ['*.js']));
+ * //=> [ 'a.js' ]
+ * ```
+ * @param {Array} `list` A list of strings to match
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @summary false
+ * @api public
+ */
+
+function nanomatch(list, patterns, options) {
+  patterns = utils.arrayify(patterns);
+  list = utils.arrayify(list);
+
+  var len = patterns.length;
+  if (list.length === 0 || len === 0) {
+    return [];
+  }
+
+  if (len === 1) {
+    return nanomatch.match(list, patterns[0], options);
+  }
+
+  var negated = false;
+  var omit = [];
+  var keep = [];
+  var idx = -1;
+
+  while (++idx < len) {
+    var pattern = patterns[idx];
+
+    if (typeof pattern === 'string' && pattern.charCodeAt(0) === 33 /* ! */) {
+      omit.push.apply(omit, nanomatch.match(list, pattern.slice(1), options));
+      negated = true;
+    } else {
+      keep.push.apply(keep, nanomatch.match(list, pattern, options));
+    }
+  }
+
+  // minimatch.match parity
+  if (negated && keep.length === 0) {
+    if (options && options.unixify === false) {
+      keep = list.slice();
+    } else {
+      var unixify = utils.unixify(options);
+      for (var i = 0; i < list.length; i++) {
+        keep.push(unixify(list[i]));
+      }
+    }
+  }
+
+  var matches = utils.diff(keep, omit);
+  if (!options || options.nodupes !== false) {
+    return utils.unique(matches);
+  }
+
+  return matches;
+}
+
+/**
+ * Similar to the main function, but `pattern` must be a string.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.match(list, pattern[, options]);
+ *
+ * console.log(nm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
+ * //=> ['a.a', 'a.aa']
+ * ```
+ * @param {Array} `list` Array of strings to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @api public
+ */
+
+nanomatch.match = function(list, pattern, options) {
+  if (Array.isArray(pattern)) {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  var unixify = utils.unixify(options);
+  var isMatch = memoize('match', pattern, options, nanomatch.matcher);
+  var matches = [];
+
+  list = utils.arrayify(list);
+  var len = list.length;
+  var idx = -1;
+
+  while (++idx < len) {
+    var ele = list[idx];
+    if (ele === pattern || isMatch(ele)) {
+      matches.push(utils.value(ele, unixify, options));
+    }
+  }
+
+  // if no options were passed, uniquify results and return
+  if (typeof options === 'undefined') {
+    return utils.unique(matches);
+  }
+
+  if (matches.length === 0) {
+    if (options.failglob === true) {
+      throw new Error('no matches found for "' + pattern + '"');
+    }
+    if (options.nonull === true || options.nullglob === true) {
+      return [options.unescape ? utils.unescape(pattern) : pattern];
+    }
+  }
+
+  // if `opts.ignore` was defined, diff ignored list
+  if (options.ignore) {
+    matches = nanomatch.not(matches, options.ignore, options);
+  }
+
+  return options.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the specified `string` matches the given glob `pattern`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.isMatch(string, pattern[, options]);
+ *
+ * console.log(nm.isMatch('a.a', '*.a'));
+ * //=> true
+ * console.log(nm.isMatch('a.b', '*.a'));
+ * //=> false
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the string matches the glob pattern.
+ * @api public
+ */
+
+nanomatch.isMatch = function(str, pattern, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (utils.isEmptyString(str) || utils.isEmptyString(pattern)) {
+    return false;
+  }
+
+  var equals = utils.equalsPattern(options);
+  if (equals(str)) {
+    return true;
+  }
+
+  var isMatch = memoize('isMatch', pattern, options, nanomatch.matcher);
+  return isMatch(str);
+};
+
+/**
+ * Returns true if some of the elements in the given `list` match any of the
+ * given glob `patterns`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.some(list, patterns[, options]);
+ *
+ * console.log(nm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // true
+ * console.log(nm.some(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param  {String|Array} `list` The string or array of strings to test. Returns as soon as the first match is found.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+nanomatch.some = function(list, patterns, options) {
+  if (typeof list === 'string') {
+    list = [list];
+  }
+
+  for (var i = 0; i < list.length; i++) {
+    if (nanomatch(list[i], patterns, options).length === 1) {
+      return true;
+    }
+  }
+
+  return false;
+};
+
+/**
+ * Returns true if every element in the given `list` matches
+ * at least one of the given glob `patterns`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.every(list, patterns[, options]);
+ *
+ * console.log(nm.every('foo.js', ['foo.js']));
+ * // true
+ * console.log(nm.every(['foo.js', 'bar.js'], ['*.js']));
+ * // true
+ * console.log(nm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // false
+ * console.log(nm.every(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param  {String|Array} `list` The string or array of strings to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+nanomatch.every = function(list, patterns, options) {
+  if (typeof list === 'string') {
+    list = [list];
+  }
+
+  for (var i = 0; i < list.length; i++) {
+    if (nanomatch(list[i], patterns, options).length !== 1) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns`
+ * match the specified `string`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.any(string, patterns[, options]);
+ *
+ * console.log(nm.any('a.a', ['b.*', '*.a']));
+ * //=> true
+ * console.log(nm.any('a.a', 'b.*'));
+ * //=> false
+ * ```
+ * @param  {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+nanomatch.any = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (utils.isEmptyString(str) || utils.isEmptyString(patterns)) {
+    return false;
+  }
+
+  if (typeof patterns === 'string') {
+    patterns = [patterns];
+  }
+
+  for (var i = 0; i < patterns.length; i++) {
+    if (nanomatch.isMatch(str, patterns[i], options)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Returns true if **all** of the given `patterns`
+ * match the specified string.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.all(string, patterns[, options]);
+ *
+ * console.log(nm.all('foo.js', ['foo.js']));
+ * // true
+ *
+ * console.log(nm.all('foo.js', ['*.js', '!foo.js']));
+ * // false
+ *
+ * console.log(nm.all('foo.js', ['*.js', 'foo.js']));
+ * // true
+ *
+ * console.log(nm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
+ * // true
+ * ```
+ * @param  {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+nanomatch.all = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (typeof patterns === 'string') {
+    patterns = [patterns];
+  }
+
+  for (var i = 0; i < patterns.length; i++) {
+    if (!nanomatch.isMatch(str, patterns[i], options)) {
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Returns a list of strings that _**do not match any**_ of the given `patterns`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.not(list, patterns[, options]);
+ *
+ * console.log(nm.not(['a.a', 'b.b', 'c.c'], '*.a'));
+ * //=> ['b.b', 'c.c']
+ * ```
+ * @param {Array} `list` Array of strings to match.
+ * @param {String|Array} `patterns` One or more glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of strings that **do not match** the given patterns.
+ * @api public
+ */
+
+nanomatch.not = function(list, patterns, options) {
+  var opts = extend({}, options);
+  var ignore = opts.ignore;
+  delete opts.ignore;
+
+  list = utils.arrayify(list);
+
+  var matches = utils.diff(list, nanomatch(list, patterns, opts));
+  if (ignore) {
+    matches = utils.diff(matches, nanomatch(list, ignore));
+  }
+
+  return opts.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the given `string` contains the given pattern. Similar
+ * to [.isMatch](#isMatch) but the pattern can match any part of the string.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.contains(string, pattern[, options]);
+ *
+ * console.log(nm.contains('aa/bb/cc', '*b'));
+ * //=> true
+ * console.log(nm.contains('aa/bb/cc', '*d'));
+ * //=> false
+ * ```
+ * @param {String} `str` The string to match.
+ * @param {String|Array} `patterns` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the patter matches any part of `str`.
+ * @api public
+ */
+
+nanomatch.contains = function(str, patterns, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+  }
+
+  if (typeof patterns === 'string') {
+    if (utils.isEmptyString(str) || utils.isEmptyString(patterns)) {
+      return false;
+    }
+
+    var equals = utils.equalsPattern(patterns, options);
+    if (equals(str)) {
+      return true;
+    }
+    var contains = utils.containsPattern(patterns, options);
+    if (contains(str)) {
+      return true;
+    }
+  }
+
+  var opts = extend({}, options, {contains: true});
+  return nanomatch.any(str, patterns, opts);
+};
+
+/**
+ * Returns true if the given pattern and options should enable
+ * the `matchBase` option.
+ * @return {Boolean}
+ * @api private
+ */
+
+nanomatch.matchBase = function(pattern, options) {
+  if (pattern && pattern.indexOf('/') !== -1 || !options) return false;
+  return options.basename === true || options.matchBase === true;
+};
+
+/**
+ * Filter the keys of the given object with the given `glob` pattern
+ * and `options`. Does not attempt to match nested keys. If you need this feature,
+ * use [glob-object][] instead.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.matchKeys(object, patterns[, options]);
+ *
+ * var obj = { aa: 'a', ab: 'b', ac: 'c' };
+ * console.log(nm.matchKeys(obj, '*b'));
+ * //=> { ab: 'b' }
+ * ```
+ * @param {Object} `object` The object with keys to filter.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Object} Returns an object with only keys that match the given patterns.
+ * @api public
+ */
+
+nanomatch.matchKeys = function(obj, patterns, options) {
+  if (!utils.isObject(obj)) {
+    throw new TypeError('expected the first argument to be an object');
+  }
+  var keys = nanomatch(Object.keys(obj), patterns, options);
+  return utils.pick(obj, keys);
+};
+
+/**
+ * Returns a memoized matcher function from the given glob `pattern` and `options`.
+ * The returned function takes a string to match as its only argument and returns
+ * true if the string is a match.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.matcher(pattern[, options]);
+ *
+ * var isMatch = nm.matcher('*.!(*a)');
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.b'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Glob pattern
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {Function} Returns a matcher function.
+ * @api public
+ */
+
+nanomatch.matcher = function matcher(pattern, options) {
+  if (utils.isEmptyString(pattern)) {
+    return function() {
+      return false;
+    };
+  }
+
+  if (Array.isArray(pattern)) {
+    return compose(pattern, options, matcher);
+  }
+
+  // if pattern is a regex
+  if (pattern instanceof RegExp) {
+    return test(pattern);
+  }
+
+  // if pattern is invalid
+  if (!utils.isString(pattern)) {
+    throw new TypeError('expected pattern to be an array, string or regex');
+  }
+
+  // if pattern is a non-glob string
+  if (!utils.hasSpecialChars(pattern)) {
+    if (options && options.nocase === true) {
+      pattern = pattern.toLowerCase();
+    }
+    return utils.matchPath(pattern, options);
+  }
+
+  // if pattern is a glob string
+  var re = nanomatch.makeRe(pattern, options);
+
+  // if `options.matchBase` or `options.basename` is defined
+  if (nanomatch.matchBase(pattern, options)) {
+    return utils.matchBasename(re, options);
+  }
+
+  function test(regex) {
+    var equals = utils.equalsPattern(options);
+    var unixify = utils.unixify(options);
+
+    return function(str) {
+      if (equals(str)) {
+        return true;
+      }
+
+      if (regex.test(unixify(str))) {
+        return true;
+      }
+      return false;
+    };
+  }
+
+  // create matcher function
+  var matcherFn = test(re);
+  // set result object from compiler on matcher function,
+  // as a non-enumerable property. useful for debugging
+  utils.define(matcherFn, 'result', re.result);
+  return matcherFn;
+};
+
+/**
+ * Returns an array of matches captured by `pattern` in `string, or
+ * `null` if the pattern did not match.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.capture(pattern, string[, options]);
+ *
+ * console.log(nm.capture('test/*.js', 'test/foo.js'));
+ * //=> ['foo']
+ * console.log(nm.capture('test/*.js', 'foo/bar.css'));
+ * //=> null
+ * ```
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {String} `string` String to match
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+ * @api public
+ */
+
+nanomatch.capture = function(pattern, str, options) {
+  var re = nanomatch.makeRe(pattern, extend({capture: true}, options));
+  var unixify = utils.unixify(options);
+
+  function match() {
+    return function(string) {
+      var match = re.exec(unixify(string));
+      if (!match) {
+        return null;
+      }
+
+      return match.slice(1);
+    };
+  }
+
+  var capture = memoize('capture', pattern, options, match);
+  return capture(str);
+};
+
+/**
+ * Create a regular expression from the given glob `pattern`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.makeRe(pattern[, options]);
+ *
+ * console.log(nm.makeRe('*.js'));
+ * //=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
+ * ```
+ * @param {String} `pattern` A glob pattern to convert to regex.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+nanomatch.makeRe = function(pattern, options) {
+  if (pattern instanceof RegExp) {
+    return pattern;
+  }
+
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  if (pattern.length > MAX_LENGTH) {
+    throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
+  }
+
+  function makeRe() {
+    var opts = utils.extend({wrap: false}, options);
+    var result = nanomatch.create(pattern, opts);
+    var regex = toRegex(result.output, opts);
+    utils.define(regex, 'result', result);
+    return regex;
+  }
+
+  return memoize('makeRe', pattern, options, makeRe);
+};
+
+/**
+ * Parses the given glob `pattern` and returns an object with the compiled `output`
+ * and optional source `map`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.create(pattern[, options]);
+ *
+ * console.log(nm.create('abc/*.js'));
+ * // { options: { source: 'string', sourcemap: true },
+ * //   state: {},
+ * //   compilers:
+ * //    { ... },
+ * //   output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
+ * //   ast:
+ * //    { type: 'root',
+ * //      errors: [],
+ * //      nodes:
+ * //       [ ... ],
+ * //      dot: false,
+ * //      input: 'abc/*.js' },
+ * //   parsingErrors: [],
+ * //   map:
+ * //    { version: 3,
+ * //      sources: [ 'string' ],
+ * //      names: [],
+ * //      mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
+ * //      sourcesContent: [ 'abc/*.js' ] },
+ * //   position: { line: 1, column: 28 },
+ * //   content: {},
+ * //   files: {},
+ * //   idx: 6 }
+ * ```
+ * @param {String} `pattern` Glob pattern to parse and compile.
+ * @param {Object} `options` Any [options](#options) to change how parsing and compiling is performed.
+ * @return {Object} Returns an object with the parsed AST, compiled string and optional source map.
+ * @api public
+ */
+
+nanomatch.create = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+  function create() {
+    return nanomatch.compile(nanomatch.parse(pattern, options), options);
+  }
+  return memoize('create', pattern, options, create);
+};
+
+/**
+ * Parse the given `str` with the given `options`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.parse(pattern[, options]);
+ *
+ * var ast = nm.parse('a/{b,c}/d');
+ * console.log(ast);
+ * // { type: 'root',
+ * //   errors: [],
+ * //   input: 'a/{b,c}/d',
+ * //   nodes:
+ * //    [ { type: 'bos', val: '' },
+ * //      { type: 'text', val: 'a/' },
+ * //      { type: 'brace',
+ * //        nodes:
+ * //         [ { type: 'brace.open', val: '{' },
+ * //           { type: 'text', val: 'b,c' },
+ * //           { type: 'brace.close', val: '}' } ] },
+ * //      { type: 'text', val: '/d' },
+ * //      { type: 'eos', val: '' } ] }
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object} Returns an AST
+ * @api public
+ */
+
+nanomatch.parse = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  function parse() {
+    var snapdragon = utils.instantiate(null, options);
+    parsers(snapdragon, options);
+
+    var ast = snapdragon.parse(pattern, options);
+    utils.define(ast, 'snapdragon', snapdragon);
+    ast.input = pattern;
+    return ast;
+  }
+
+  return memoize('parse', pattern, options, parse);
+};
+
+/**
+ * Compile the given `ast` or string with the given `options`.
+ *
+ * ```js
+ * var nm = require('nanomatch');
+ * nm.compile(ast[, options]);
+ *
+ * var ast = nm.parse('a/{b,c}/d');
+ * console.log(nm.compile(ast));
+ * // { options: { source: 'string' },
+ * //   state: {},
+ * //   compilers:
+ * //    { eos: [Function],
+ * //      noop: [Function],
+ * //      bos: [Function],
+ * //      brace: [Function],
+ * //      'brace.open': [Function],
+ * //      text: [Function],
+ * //      'brace.close': [Function] },
+ * //   output: [ 'a/(b|c)/d' ],
+ * //   ast:
+ * //    { ... },
+ * //   parsingErrors: [] }
+ * ```
+ * @param {Object|String} `ast`
+ * @param {Object} `options`
+ * @return {Object} Returns an object that has an `output` property with the compiled string.
+ * @api public
+ */
+
+nanomatch.compile = function(ast, options) {
+  if (typeof ast === 'string') {
+    ast = nanomatch.parse(ast, options);
+  }
+
+  function compile() {
+    var snapdragon = utils.instantiate(ast, options);
+    compilers(snapdragon, options);
+    return snapdragon.compile(ast, options);
+  }
+
+  return memoize('compile', ast.input, options, compile);
+};
+
+/**
+ * Clear the regex cache.
+ *
+ * ```js
+ * nm.clearCache();
+ * ```
+ * @api public
+ */
+
+nanomatch.clearCache = function() {
+  nanomatch.cache.__data__ = {};
+};
+
+/**
+ * Compose a matcher function with the given patterns.
+ * This allows matcher functions to be compiled once and
+ * called multiple times.
+ */
+
+function compose(patterns, options, matcher) {
+  var matchers;
+
+  return memoize('compose', String(patterns), options, function() {
+    return function(file) {
+      // delay composition until it's invoked the first time,
+      // after that it won't be called again
+      if (!matchers) {
+        matchers = [];
+        for (var i = 0; i < patterns.length; i++) {
+          matchers.push(matcher(patterns[i], options));
+        }
+      }
+
+      var len = matchers.length;
+      while (len--) {
+        if (matchers[len](file) === true) {
+          return true;
+        }
+      }
+      return false;
+    };
+  });
+}
+
+/**
+ * Memoize a generated regex or function. A unique key is generated
+ * from the `type` (usually method name), the `pattern`, and
+ * user-defined options.
+ */
+
+function memoize(type, pattern, options, fn) {
+  var key = utils.createKey(type + '=' + pattern, options);
+
+  if (options && options.cache === false) {
+    return fn(pattern, options);
+  }
+
+  if (cache.has(type, key)) {
+    return cache.get(type, key);
+  }
+
+  var val = fn(pattern, options);
+  cache.set(type, key, val);
+  return val;
+}
+
+/**
+ * Expose compiler, parser and cache on `nanomatch`
+ */
+
+nanomatch.compilers = compilers;
+nanomatch.parsers = parsers;
+nanomatch.cache = cache;
+
+/**
+ * Expose `nanomatch`
+ * @type {Function}
+ */
+
+module.exports = nanomatch;
diff --git a/node_modules/nanomatch/lib/cache.js b/node_modules/nanomatch/lib/cache.js
new file mode 100644
index 00000000..fffc4c17
--- /dev/null
+++ b/node_modules/nanomatch/lib/cache.js
@@ -0,0 +1 @@
+module.exports = new (require('fragment-cache'))();
diff --git a/node_modules/nanomatch/lib/compilers.js b/node_modules/nanomatch/lib/compilers.js
new file mode 100644
index 00000000..d7a786e7
--- /dev/null
+++ b/node_modules/nanomatch/lib/compilers.js
@@ -0,0 +1,339 @@
+'use strict';
+
+/**
+* Nanomatch compilers
+*/
+
+module.exports = function(nanomatch, options) {
+  function slash() {
+    if (options && typeof options.slash === 'string') {
+      return options.slash;
+    }
+    if (options && typeof options.slash === 'function') {
+      return options.slash.call(nanomatch);
+    }
+    return '\\\\/';
+  }
+
+  function star() {
+    if (options && typeof options.star === 'string') {
+      return options.star;
+    }
+    if (options && typeof options.star === 'function') {
+      return options.star.call(nanomatch);
+    }
+    return '[^' + slash() + ']*?';
+  }
+
+  var ast = nanomatch.ast = nanomatch.parser.ast;
+  ast.state = nanomatch.parser.state;
+  nanomatch.compiler.state = ast.state;
+  nanomatch.compiler
+
+    /**
+     * Negation / escaping
+     */
+
+    .set('not', function(node) {
+      var prev = this.prev();
+      if (this.options.nonegate === true || prev.type !== 'bos') {
+        return this.emit('\\' + node.val, node);
+      }
+      return this.emit(node.val, node);
+    })
+    .set('escape', function(node) {
+      if (this.options.unescape && /^[-\w_.]/.test(node.val)) {
+        return this.emit(node.val, node);
+      }
+      return this.emit('\\' + node.val, node);
+    })
+    .set('quoted', function(node) {
+      return this.emit(node.val, node);
+    })
+
+    /**
+     * Regex
+     */
+
+    .set('dollar', function(node) {
+      if (node.parent.type === 'bracket') {
+        return this.emit(node.val, node);
+      }
+      return this.emit('\\' + node.val, node);
+    })
+
+    /**
+     * Dot: "."
+     */
+
+    .set('dot', function(node) {
+      if (node.dotfiles === true) this.dotfiles = true;
+      return this.emit('\\' + node.val, node);
+    })
+
+    /**
+     * Slashes: "/" and "\"
+     */
+
+    .set('backslash', function(node) {
+      return this.emit(node.val, node);
+    })
+    .set('slash', function(node, nodes, i) {
+      var val = '[' + slash() + ']';
+      var parent = node.parent;
+      var prev = this.prev();
+
+      // set "node.hasSlash" to true on all ancestor parens nodes
+      while (parent.type === 'paren' && !parent.hasSlash) {
+        parent.hasSlash = true;
+        parent = parent.parent;
+      }
+
+      if (prev.addQmark) {
+        val += '?';
+      }
+
+      // word boundary
+      if (node.rest.slice(0, 2) === '\\b') {
+        return this.emit(val, node);
+      }
+
+      // globstars
+      if (node.parsed === '**' || node.parsed === './**') {
+        this.output = '(?:' + this.output;
+        return this.emit(val + ')?', node);
+      }
+
+      // negation
+      if (node.parsed === '!**' && this.options.nonegate !== true) {
+        return this.emit(val + '?\\b', node);
+      }
+      return this.emit(val, node);
+    })
+
+    /**
+     * Square brackets
+     */
+
+    .set('bracket', function(node) {
+      var close = node.close;
+      var open = !node.escaped ? '[' : '\\[';
+      var negated = node.negated;
+      var inner = node.inner;
+      var val = node.val;
+
+      if (node.escaped === true) {
+        inner = inner.replace(/\\?(\W)/g, '\\$1');
+        negated = '';
+      }
+
+      if (inner === ']-') {
+        inner = '\\]\\-';
+      }
+
+      if (negated && inner.indexOf('.') === -1) {
+        inner += '.';
+      }
+      if (negated && inner.indexOf('/') === -1) {
+        inner += '/';
+      }
+
+      val = open + negated + inner + close;
+      return this.emit(val, node);
+    })
+
+    /**
+     * Square: "[.]" (only matches a single character in brackets)
+     */
+
+    .set('square', function(node) {
+      var val = (/^\W/.test(node.val) ? '\\' : '') + node.val;
+      return this.emit(val, node);
+    })
+
+    /**
+     * Question mark: "?"
+     */
+
+    .set('qmark', function(node) {
+      var prev = this.prev();
+      // don't use "slash" variable so that we always avoid
+      // matching backslashes and slashes with a qmark
+      var val = '[^.\\\\/]';
+      if (this.options.dot || (prev.type !== 'bos' && prev.type !== 'slash')) {
+        val = '[^\\\\/]';
+      }
+
+      if (node.parsed.slice(-1) === '(') {
+        var ch = node.rest.charAt(0);
+        if (ch === '!' || ch === '=' || ch === ':') {
+          return this.emit(node.val, node);
+        }
+      }
+
+      if (node.val.length > 1) {
+        val += '{' + node.val.length + '}';
+      }
+      return this.emit(val, node);
+    })
+
+    /**
+     * Plus
+     */
+
+    .set('plus', function(node) {
+      var prev = node.parsed.slice(-1);
+      if (prev === ']' || prev === ')') {
+        return this.emit(node.val, node);
+      }
+      if (!this.output || (/[?*+]/.test(ch) && node.parent.type !== 'bracket')) {
+        return this.emit('\\+', node);
+      }
+      var ch = this.output.slice(-1);
+      if (/\w/.test(ch) && !node.inside) {
+        return this.emit('+\\+?', node);
+      }
+      return this.emit('+', node);
+    })
+
+    /**
+     * globstar: '**'
+     */
+
+    .set('globstar', function(node, nodes, i) {
+      if (!this.output) {
+        this.state.leadingGlobstar = true;
+      }
+
+      var prev = this.prev();
+      var before = this.prev(2);
+      var next = this.next();
+      var after = this.next(2);
+      var type = prev.type;
+      var val = node.val;
+
+      if (prev.type === 'slash' && next.type === 'slash') {
+        if (before.type === 'text') {
+          this.output += '?';
+
+          if (after.type !== 'text') {
+            this.output += '\\b';
+          }
+        }
+      }
+
+      var parsed = node.parsed;
+      if (parsed.charAt(0) === '!') {
+        parsed = parsed.slice(1);
+      }
+
+      var isInside = node.isInside.paren || node.isInside.brace;
+      if (parsed && type !== 'slash' && type !== 'bos' && !isInside) {
+        val = star();
+      } else {
+        val = this.options.dot !== true
+          ? '(?:(?!(?:[' + slash() + ']|^)\\.).)*?'
+          : '(?:(?!(?:[' + slash() + ']|^)(?:\\.{1,2})($|[' + slash() + ']))(?!\\.{2}).)*?';
+      }
+
+      if ((type === 'slash' || type === 'bos') && this.options.dot !== true) {
+        val = '(?!\\.)' + val;
+      }
+
+      if (prev.type === 'slash' && next.type === 'slash' && before.type !== 'text') {
+        if (after.type === 'text' || after.type === 'star') {
+          node.addQmark = true;
+        }
+      }
+
+      if (this.options.capture) {
+        val = '(' + val + ')';
+      }
+
+      return this.emit(val, node);
+    })
+
+    /**
+     * Star: "*"
+     */
+
+    .set('star', function(node, nodes, i) {
+      var prior = nodes[i - 2] || {};
+      var prev = this.prev();
+      var next = this.next();
+      var type = prev.type;
+
+      function isStart(n) {
+        return n.type === 'bos' || n.type === 'slash';
+      }
+
+      if (this.output === '' && this.options.contains !== true) {
+        this.output = '(?![' + slash() + '])';
+      }
+
+      if (type === 'bracket' && this.options.bash === false) {
+        var str = next && next.type === 'bracket' ? star() : '*?';
+        if (!prev.nodes || prev.nodes[1].type !== 'posix') {
+          return this.emit(str, node);
+        }
+      }
+
+      var prefix = !this.dotfiles && type !== 'text' && type !== 'escape'
+        ? (this.options.dot ? '(?!(?:^|[' + slash() + '])\\.{1,2}(?:$|[' + slash() + ']))' : '(?!\\.)')
+        : '';
+
+      if (isStart(prev) || (isStart(prior) && type === 'not')) {
+        if (prefix !== '(?!\\.)') {
+          prefix += '(?!(\\.{2}|\\.[' + slash() + ']))(?=.)';
+        } else {
+          prefix += '(?=.)';
+        }
+      } else if (prefix === '(?!\\.)') {
+        prefix = '';
+      }
+
+      if (prev.type === 'not' && prior.type === 'bos' && this.options.dot === true) {
+        this.output = '(?!\\.)' + this.output;
+      }
+
+      var output = prefix + star();
+      if (this.options.capture) {
+        output = '(' + output + ')';
+      }
+
+      return this.emit(output, node);
+    })
+
+    /**
+     * Text
+     */
+
+    .set('text', function(node) {
+      return this.emit(node.val, node);
+    })
+
+    /**
+     * End-of-string
+     */
+
+    .set('eos', function(node) {
+      var prev = this.prev();
+      var val = node.val;
+
+      this.output = '(?:\\.[' + slash() + '](?=.))?' + this.output;
+      if (this.state.metachar && prev.type !== 'qmark' && prev.type !== 'slash') {
+        val += (this.options.contains ? '[' + slash() + ']?' : '(?:[' + slash() + ']|$)');
+      }
+
+      return this.emit(val, node);
+    });
+
+  /**
+   * Allow custom compilers to be passed on options
+   */
+
+  if (options && typeof options.compilers === 'function') {
+    options.compilers(nanomatch.compiler);
+  }
+};
+
diff --git a/node_modules/nanomatch/lib/parsers.js b/node_modules/nanomatch/lib/parsers.js
new file mode 100644
index 00000000..f87df8f3
--- /dev/null
+++ b/node_modules/nanomatch/lib/parsers.js
@@ -0,0 +1,386 @@
+'use strict';
+
+var regexNot = require('regex-not');
+var toRegex = require('to-regex');
+
+/**
+ * Characters to use in negation regex (we want to "not" match
+ * characters that are matched by other parsers)
+ */
+
+var cached;
+var NOT_REGEX = '[\\[!*+?$^"\'.\\\\/]+';
+var not = createTextRegex(NOT_REGEX);
+
+/**
+ * Nanomatch parsers
+ */
+
+module.exports = function(nanomatch, options) {
+  var parser = nanomatch.parser;
+  var opts = parser.options;
+
+  parser.state = {
+    slashes: 0,
+    paths: []
+  };
+
+  parser.ast.state = parser.state;
+  parser
+
+    /**
+     * Beginning-of-string
+     */
+
+    .capture('prefix', function() {
+      if (this.parsed) return;
+      var m = this.match(/^\.[\\/]/);
+      if (!m) return;
+      this.state.strictOpen = !!this.options.strictOpen;
+      this.state.addPrefix = true;
+    })
+
+    /**
+     * Escape: "\\."
+     */
+
+    .capture('escape', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(/^(?:\\(.)|([$^]))/);
+      if (!m) return;
+
+      return pos({
+        type: 'escape',
+        val: m[2] || m[1]
+      });
+    })
+
+    /**
+     * Quoted strings
+     */
+
+    .capture('quoted', function() {
+      var pos = this.position();
+      var m = this.match(/^["']/);
+      if (!m) return;
+
+      var quote = m[0];
+      if (this.input.indexOf(quote) === -1) {
+        return pos({
+          type: 'escape',
+          val: quote
+        });
+      }
+
+      var tok = advanceTo(this.input, quote);
+      this.consume(tok.len);
+
+      return pos({
+        type: 'quoted',
+        val: tok.esc
+      });
+    })
+
+    /**
+     * Negations: "!"
+     */
+
+    .capture('not', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(this.notRegex || /^!+/);
+      if (!m) return;
+      var val = m[0];
+
+      var isNegated = (val.length % 2) === 1;
+      if (parsed === '' && !isNegated) {
+        val = '';
+      }
+
+      // if nothing has been parsed, we know `!` is at the start,
+      // so we need to wrap the result in a negation regex
+      if (parsed === '' && isNegated && this.options.nonegate !== true) {
+        this.bos.val = '(?!^(?:';
+        this.append = ')$).*';
+        val = '';
+      }
+      return pos({
+        type: 'not',
+        val: val
+      });
+    })
+
+    /**
+     * Dot: "."
+     */
+
+    .capture('dot', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\.+/);
+      if (!m) return;
+
+      var val = m[0];
+      this.state.dot = val === '.' && (parsed === '' || parsed.slice(-1) === '/');
+
+      return pos({
+        type: 'dot',
+        dotfiles: this.state.dot,
+        val: val
+      });
+    })
+
+    /**
+     * Plus: "+"
+     */
+
+    .capture('plus', /^\+(?!\()/)
+
+    /**
+     * Question mark: "?"
+     */
+
+    .capture('qmark', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\?+(?!\()/);
+      if (!m) return;
+
+      this.state.metachar = true;
+      this.state.qmark = true;
+
+      return pos({
+        type: 'qmark',
+        parsed: parsed,
+        val: m[0]
+      });
+    })
+
+    /**
+     * Globstar: "**"
+     */
+
+    .capture('globstar', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(/^\*{2}(?![*(])(?=[,)/]|$)/);
+      if (!m) return;
+
+      var type = opts.noglobstar !== true ? 'globstar' : 'star';
+      var node = pos({type: type, parsed: parsed});
+      this.state.metachar = true;
+
+      while (this.input.slice(0, 4) === '/**/') {
+        this.input = this.input.slice(3);
+      }
+
+      node.isInside = {
+        brace: this.isInside('brace'),
+        paren: this.isInside('paren')
+      };
+
+      if (type === 'globstar') {
+        this.state.globstar = true;
+        node.val = '**';
+
+      } else {
+        this.state.star = true;
+        node.val = '*';
+      }
+
+      return node;
+    })
+
+    /**
+     * Star: "*"
+     */
+
+    .capture('star', function() {
+      var pos = this.position();
+      var starRe = /^(?:\*(?![*(])|[*]{3,}(?!\()|[*]{2}(?![(/]|$)|\*(?=\*\())/;
+      var m = this.match(starRe);
+      if (!m) return;
+
+      this.state.metachar = true;
+      this.state.star = true;
+      return pos({
+        type: 'star',
+        val: m[0]
+      });
+    })
+
+    /**
+     * Slash: "/"
+     */
+
+    .capture('slash', function() {
+      var pos = this.position();
+      var m = this.match(/^\//);
+      if (!m) return;
+
+      this.state.slashes++;
+      return pos({
+        type: 'slash',
+        val: m[0]
+      });
+    })
+
+    /**
+     * Backslash: "\\"
+     */
+
+    .capture('backslash', function() {
+      var pos = this.position();
+      var m = this.match(/^\\(?![*+?(){}[\]'"])/);
+      if (!m) return;
+
+      var val = m[0];
+
+      if (this.isInside('bracket')) {
+        val = '\\';
+      } else if (val.length > 1) {
+        val = '\\\\';
+      }
+
+      return pos({
+        type: 'backslash',
+        val: val
+      });
+    })
+
+    /**
+     * Square: "[.]"
+     */
+
+    .capture('square', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(/^\[([^!^\\])\]/);
+      if (!m) return;
+
+      return pos({
+        type: 'square',
+        val: m[1]
+      });
+    })
+
+    /**
+     * Brackets: "[...]" (basic, this can be overridden by other parsers)
+     */
+
+    .capture('bracket', function() {
+      var pos = this.position();
+      var m = this.match(/^(?:\[([!^]?)([^\]]+|\]-)(\]|[^*+?]+)|\[)/);
+      if (!m) return;
+
+      var val = m[0];
+      var negated = m[1] ? '^' : '';
+      var inner = (m[2] || '').replace(/\\\\+/, '\\\\');
+      var close = m[3] || '';
+
+      if (m[2] && inner.length < m[2].length) {
+        val = val.replace(/\\\\+/, '\\\\');
+      }
+
+      var esc = this.input.slice(0, 2);
+      if (inner === '' && esc === '\\]') {
+        inner += esc;
+        this.consume(2);
+
+        var str = this.input;
+        var idx = -1;
+        var ch;
+
+        while ((ch = str[++idx])) {
+          this.consume(1);
+          if (ch === ']') {
+            close = ch;
+            break;
+          }
+          inner += ch;
+        }
+      }
+
+      return pos({
+        type: 'bracket',
+        val: val,
+        escaped: close !== ']',
+        negated: negated,
+        inner: inner,
+        close: close
+      });
+    })
+
+    /**
+     * Text
+     */
+
+    .capture('text', function() {
+      if (this.isInside('bracket')) return;
+      var pos = this.position();
+      var m = this.match(not);
+      if (!m || !m[0]) return;
+
+      return pos({
+        type: 'text',
+        val: m[0]
+      });
+    });
+
+  /**
+   * Allow custom parsers to be passed on options
+   */
+
+  if (options && typeof options.parsers === 'function') {
+    options.parsers(nanomatch.parser);
+  }
+};
+
+/**
+ * Advance to the next non-escaped character
+ */
+
+function advanceTo(input, endChar) {
+  var ch = input.charAt(0);
+  var tok = { len: 1, val: '', esc: '' };
+  var idx = 0;
+
+  function advance() {
+    if (ch !== '\\') {
+      tok.esc += '\\' + ch;
+      tok.val += ch;
+    }
+
+    ch = input.charAt(++idx);
+    tok.len++;
+
+    if (ch === '\\') {
+      advance();
+      advance();
+    }
+  }
+
+  while (ch && ch !== endChar) {
+    advance();
+  }
+  return tok;
+}
+
+/**
+ * Create text regex
+ */
+
+function createTextRegex(pattern) {
+  if (cached) return cached;
+  var opts = {contains: true, strictClose: false};
+  var not = regexNot.create(pattern, opts);
+  var re = toRegex('^(?:[*]\\((?=.)|' + not + ')', opts);
+  return (cached = re);
+}
+
+/**
+ * Expose negation string
+ */
+
+module.exports.not = NOT_REGEX;
diff --git a/node_modules/nanomatch/lib/utils.js b/node_modules/nanomatch/lib/utils.js
new file mode 100644
index 00000000..0cf1501d
--- /dev/null
+++ b/node_modules/nanomatch/lib/utils.js
@@ -0,0 +1,379 @@
+'use strict';
+
+var utils = module.exports;
+var path = require('path');
+
+/**
+ * Module dependencies
+ */
+
+var isWindows = require('is-windows')();
+var Snapdragon = require('snapdragon');
+utils.define = require('define-property');
+utils.diff = require('arr-diff');
+utils.extend = require('extend-shallow');
+utils.pick = require('object.pick');
+utils.typeOf = require('kind-of');
+utils.unique = require('array-unique');
+
+/**
+ * Returns true if the given value is effectively an empty string
+ */
+
+utils.isEmptyString = function(val) {
+  return String(val) === '' || String(val) === './';
+};
+
+/**
+ * Returns true if the platform is windows, or `path.sep` is `\\`.
+ * This is defined as a function to allow `path.sep` to be set in unit tests,
+ * or by the user, if there is a reason to do so.
+ * @return {Boolean}
+ */
+
+utils.isWindows = function() {
+  return path.sep === '\\' || isWindows === true;
+};
+
+/**
+ * Return the last element from an array
+ */
+
+utils.last = function(arr, n) {
+  return arr[arr.length - (n || 1)];
+};
+
+/**
+ * Get the `Snapdragon` instance to use
+ */
+
+utils.instantiate = function(ast, options) {
+  var snapdragon;
+  // if an instance was created by `.parse`, use that instance
+  if (utils.typeOf(ast) === 'object' && ast.snapdragon) {
+    snapdragon = ast.snapdragon;
+  // if the user supplies an instance on options, use that instance
+  } else if (utils.typeOf(options) === 'object' && options.snapdragon) {
+    snapdragon = options.snapdragon;
+  // create a new instance
+  } else {
+    snapdragon = new Snapdragon(options);
+  }
+
+  utils.define(snapdragon, 'parse', function(str, options) {
+    var parsed = Snapdragon.prototype.parse.call(this, str, options);
+    parsed.input = str;
+
+    // escape unmatched brace/bracket/parens
+    var last = this.parser.stack.pop();
+    if (last && this.options.strictErrors !== true) {
+      var open = last.nodes[0];
+      var inner = last.nodes[1];
+      if (last.type === 'bracket') {
+        if (inner.val.charAt(0) === '[') {
+          inner.val = '\\' + inner.val;
+        }
+
+      } else {
+        open.val = '\\' + open.val;
+        var sibling = open.parent.nodes[1];
+        if (sibling.type === 'star') {
+          sibling.loose = true;
+        }
+      }
+    }
+
+    // add non-enumerable parser reference
+    utils.define(parsed, 'parser', this.parser);
+    return parsed;
+  });
+
+  return snapdragon;
+};
+
+/**
+ * Create the key to use for memoization. The key is generated
+ * by iterating over the options and concatenating key-value pairs
+ * to the pattern string.
+ */
+
+utils.createKey = function(pattern, options) {
+  if (typeof options === 'undefined') {
+    return pattern;
+  }
+  var key = pattern;
+  for (var prop in options) {
+    if (options.hasOwnProperty(prop)) {
+      key += ';' + prop + '=' + String(options[prop]);
+    }
+  }
+  return key;
+};
+
+/**
+ * Cast `val` to an array
+ * @return {Array}
+ */
+
+utils.arrayify = function(val) {
+  if (typeof val === 'string') return [val];
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ */
+
+utils.isString = function(val) {
+  return typeof val === 'string';
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ */
+
+utils.isRegex = function(val) {
+  return utils.typeOf(val) === 'regexp';
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ */
+
+utils.isObject = function(val) {
+  return utils.typeOf(val) === 'object';
+};
+
+/**
+ * Escape regex characters in the given string
+ */
+
+utils.escapeRegex = function(str) {
+  return str.replace(/[-[\]{}()^$|*+?.\\/\s]/g, '\\$&');
+};
+
+/**
+ * Combines duplicate characters in the provided `input` string.
+ * @param {String} `input`
+ * @returns {String}
+ */
+
+utils.combineDupes = function(input, patterns) {
+  patterns = utils.arrayify(patterns).join('|').split('|');
+  patterns = patterns.map(function(s) {
+    return s.replace(/\\?([+*\\/])/g, '\\$1');
+  });
+  var substr = patterns.join('|');
+  var regex = new RegExp('(' + substr + ')(?=\\1)', 'g');
+  return input.replace(regex, '');
+};
+
+/**
+ * Returns true if the given `str` has special characters
+ */
+
+utils.hasSpecialChars = function(str) {
+  return /(?:(?:(^|\/)[!.])|[*?+()|[\]{}]|[+@]\()/.test(str);
+};
+
+/**
+ * Normalize slashes in the given filepath.
+ *
+ * @param {String} `filepath`
+ * @return {String}
+ */
+
+utils.toPosixPath = function(str) {
+  return str.replace(/\\+/g, '/');
+};
+
+/**
+ * Strip backslashes before special characters in a string.
+ *
+ * @param {String} `str`
+ * @return {String}
+ */
+
+utils.unescape = function(str) {
+  return utils.toPosixPath(str.replace(/\\(?=[*+?!.])/g, ''));
+};
+
+/**
+ * Strip the drive letter from a windows filepath
+ * @param {String} `fp`
+ * @return {String}
+ */
+
+utils.stripDrive = function(fp) {
+  return utils.isWindows() ? fp.replace(/^[a-z]:[\\/]+?/i, '/') : fp;
+};
+
+/**
+ * Strip the prefix from a filepath
+ * @param {String} `fp`
+ * @return {String}
+ */
+
+utils.stripPrefix = function(str) {
+  if (str.charAt(0) === '.' && (str.charAt(1) === '/' || str.charAt(1) === '\\')) {
+    return str.slice(2);
+  }
+  return str;
+};
+
+/**
+ * Returns true if `str` is a common character that doesn't need
+ * to be processed to be used for matching.
+ * @param {String} `str`
+ * @return {Boolean}
+ */
+
+utils.isSimpleChar = function(str) {
+  return str.trim() === '' || str === '.';
+};
+
+/**
+ * Returns true if the given str is an escaped or
+ * unescaped path character
+ */
+
+utils.isSlash = function(str) {
+  return str === '/' || str === '\\/' || str === '\\' || str === '\\\\';
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern matches or contains a `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.matchPath = function(pattern, options) {
+  return (options && options.contains)
+    ? utils.containsPattern(pattern, options)
+    : utils.equalsPattern(pattern, options);
+};
+
+/**
+ * Returns true if the given (original) filepath or unixified path are equal
+ * to the given pattern.
+ */
+
+utils._equals = function(filepath, unixPath, pattern) {
+  return pattern === filepath || pattern === unixPath;
+};
+
+/**
+ * Returns true if the given (original) filepath or unixified path contain
+ * the given pattern.
+ */
+
+utils._contains = function(filepath, unixPath, pattern) {
+  return filepath.indexOf(pattern) !== -1 || unixPath.indexOf(pattern) !== -1;
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern is the same as a given `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.equalsPattern = function(pattern, options) {
+  var unixify = utils.unixify(options);
+  options = options || {};
+
+  return function fn(filepath) {
+    var equal = utils._equals(filepath, unixify(filepath), pattern);
+    if (equal === true || options.nocase !== true) {
+      return equal;
+    }
+    var lower = filepath.toLowerCase();
+    return utils._equals(lower, unixify(lower), pattern);
+  };
+};
+
+/**
+ * Returns a function that returns true if the given
+ * pattern contains a `filepath`
+ *
+ * @param {String} `pattern`
+ * @return {Function}
+ */
+
+utils.containsPattern = function(pattern, options) {
+  var unixify = utils.unixify(options);
+  options = options || {};
+
+  return function(filepath) {
+    var contains = utils._contains(filepath, unixify(filepath), pattern);
+    if (contains === true || options.nocase !== true) {
+      return contains;
+    }
+    var lower = filepath.toLowerCase();
+    return utils._contains(lower, unixify(lower), pattern);
+  };
+};
+
+/**
+ * Returns a function that returns true if the given
+ * regex matches the `filename` of a file path.
+ *
+ * @param {RegExp} `re` Matching regex
+ * @return {Function}
+ */
+
+utils.matchBasename = function(re) {
+  return function(filepath) {
+    return re.test(filepath) || re.test(path.basename(filepath));
+  };
+};
+
+/**
+ * Returns the given value unchanced.
+ * @return {any}
+ */
+
+utils.identity = function(val) {
+  return val;
+};
+
+/**
+ * Determines the filepath to return based on the provided options.
+ * @return {any}
+ */
+
+utils.value = function(str, unixify, options) {
+  if (options && options.unixify === false) {
+    return str;
+  }
+  if (options && typeof options.unixify === 'function') {
+    return options.unixify(str);
+  }
+  return unixify(str);
+};
+
+/**
+ * Returns a function that normalizes slashes in a string to forward
+ * slashes, strips `./` from beginning of paths, and optionally unescapes
+ * special characters.
+ * @return {Function}
+ */
+
+utils.unixify = function(options) {
+  var opts = options || {};
+  return function(filepath) {
+    if (opts.stripPrefix !== false) {
+      filepath = utils.stripPrefix(filepath);
+    }
+    if (opts.unescape === true) {
+      filepath = utils.unescape(filepath);
+    }
+    if (opts.unixify === true || utils.isWindows()) {
+      filepath = utils.toPosixPath(filepath);
+    }
+    return filepath;
+  };
+};
diff --git a/node_modules/nanomatch/package.json b/node_modules/nanomatch/package.json
new file mode 100644
index 00000000..0a85f0aa
--- /dev/null
+++ b/node_modules/nanomatch/package.json
@@ -0,0 +1,134 @@
+{
+  "name": "nanomatch",
+  "description": "Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)",
+  "version": "1.2.13",
+  "homepage": "https://github.com/micromatch/nanomatch",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Devon Govett (http://badassjs.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "micromatch/nanomatch",
+  "bugs": {
+    "url": "https://github.com/micromatch/nanomatch/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "arr-diff": "^4.0.0",
+    "array-unique": "^0.3.2",
+    "define-property": "^2.0.2",
+    "extend-shallow": "^3.0.2",
+    "fragment-cache": "^0.2.1",
+    "is-windows": "^1.0.2",
+    "kind-of": "^6.0.2",
+    "object.pick": "^1.3.0",
+    "regex-not": "^1.0.0",
+    "snapdragon": "^0.8.1",
+    "to-regex": "^3.0.1"
+  },
+  "devDependencies": {
+    "bash-match": "^1.0.2",
+    "for-own": "^1.0.0",
+    "gulp": "^3.9.1",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.3",
+    "gulp-mocha": "^5.0.0",
+    "helper-changelog": "^0.3.0",
+    "minimatch": "^3.0.4",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3",
+    "multimatch": "^2.1.0"
+  },
+  "keywords": [
+    "bash",
+    "expand",
+    "expansion",
+    "expression",
+    "file",
+    "files",
+    "filter",
+    "find",
+    "glob",
+    "globbing",
+    "globs",
+    "globstar",
+    "match",
+    "matcher",
+    "matches",
+    "matching",
+    "micromatch",
+    "minimatch",
+    "multimatch",
+    "nanomatch",
+    "path",
+    "pattern",
+    "patterns",
+    "regex",
+    "regexp",
+    "regular",
+    "shell",
+    "wildcard"
+  ],
+  "lintDeps": {
+    "dependencies": {
+      "options": {
+        "lock": {
+          "snapdragon": "^0.8.1"
+        }
+      }
+    },
+    "devDependencies": {
+      "files": {
+        "options": {
+          "ignore": [
+            "benchmark/**"
+          ]
+        }
+      }
+    }
+  },
+  "verb": {
+    "toc": "collapsible",
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "helpers": [
+      "helper-changelog"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "extglob",
+        "is-extglob",
+        "is-glob",
+        "micromatch"
+      ]
+    },
+    "reflinks": [
+      "expand-brackets",
+      "expand-tilde",
+      "glob-object",
+      "micromatch",
+      "minimatch",
+      "options",
+      "snapdragon"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/neo-async/LICENSE b/node_modules/neo-async/LICENSE
new file mode 100644
index 00000000..4ec13d1f
--- /dev/null
+++ b/node_modules/neo-async/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2014-2018 Suguru Motegi
+Based on Async.js, Copyright Caolan McMahon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/neo-async/README.md b/node_modules/neo-async/README.md
new file mode 100644
index 00000000..d49e93cf
--- /dev/null
+++ b/node_modules/neo-async/README.md
@@ -0,0 +1,273 @@
+<h1 align="center">Neo-Async</h1>
+
+<p align="center">
+  <img src="https://raw.githubusercontent.com/wiki/suguru03/neo-async/images/neo_async_v2.png" width="250px" />
+</p>
+
+<p align="center">
+  <a href="https://www.npmjs.com/package/neo-async"><img alt="npm" src="https://img.shields.io/npm/v/neo-async.svg"></a>
+  <a href="https://travis-ci.org/suguru03/neo-async"><img alt="Travis Status" src="https://img.shields.io/travis/suguru03/neo-async.svg"></a>
+  <a href="https://codecov.io/gh/suguru03/neo-async"><img alt="Coverage Status" src="https://img.shields.io/codecov/c/github/suguru03/neo-async/master.svg"></a>
+  <a href="https://www.npmjs.com/package/neo-async"><img alt="download" src="https://img.shields.io/npm/dm/neo-async.svg"></a>
+  <a href="https://lgtm.com/projects/g/suguru03/neo-async/context:javascript"><img src="https://img.shields.io/lgtm/grade/javascript/g/suguru03/neo-async.svg?logo=lgtm&logoWidth=18" alt="Code Quality: Javascript" height="18"></a>
+  <a href="https://lgtm.com/projects/g/suguru03/neo-async/alerts"><img src="https://img.shields.io/lgtm/alerts/g/suguru03/neo-async.svg?logo=lgtm&logoWidth=18" alt="Total Alerts" height="18"></a>
+  <a href="https://app.fossa.io/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async?ref=badge_shield"><img src="https://app.fossa.io/api/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async.svg?type=shield" alt="FOSSA" height="18"></a>
+</p>
+
+Neo-Async is thought to be used as a drop-in replacement for [Async](https://github.com/caolan/async), it almost fully covers its functionality and runs [faster](#benchmark).
+
+Benchmark is [here](#benchmark)!
+
+Bluebird's benchmark is [here](https://github.com/suguru03/bluebird/tree/aigle/benchmark)!
+
+## Code Coverage
+![coverage](https://raw.githubusercontent.com/wiki/suguru03/neo-async/images/coverage.png)
+
+## Installation
+
+### In a browser
+```html
+<script src="async.min.js"></script>
+```
+
+### In an AMD loader
+```js
+require(['async'], function(async) {});
+```
+
+### Promise and async/await
+
+I recommend to use [`Aigle`](https://github.com/suguru03/aigle).
+
+It is optimized for Promise handling and has almost the same functionality as `neo-async`.
+
+### Node.js
+
+#### standard
+
+```bash
+$ npm install neo-async
+```
+```js
+var async = require('neo-async');
+```
+
+#### replacement
+```bash
+$ npm install neo-async
+$ ln -s ./node_modules/neo-async ./node_modules/async
+```
+```js
+var async = require('async');
+```
+
+### Bower
+
+```bash
+bower install neo-async
+```
+
+## Feature
+
+[JSDoc](http://suguru03.github.io/neo-async/doc/async.html)
+
+\* not in Async
+
+### Collections
+
+- [`each`](http://suguru03.github.io/neo-async/doc/async.each.html)
+- [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html)
+- [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html)
+- [`forEach`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html)
+- [`forEachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html)
+- [`forEachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html)
+- [`eachOf`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html)
+- [`eachOfSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html)
+- [`eachOfLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html)
+- [`forEachOf`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html)
+- [`forEachOfSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html)
+- [`eachOfLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`forEachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html)
+- [`map`](http://suguru03.github.io/neo-async/doc/async.map.html)
+- [`mapSeries`](http://suguru03.github.io/neo-async/doc/async.mapSeries.html)
+- [`mapLimit`](http://suguru03.github.io/neo-async/doc/async.mapLimit.html)
+- [`mapValues`](http://suguru03.github.io/neo-async/doc/async.mapValues.html)
+- [`mapValuesSeries`](http://suguru03.github.io/neo-async/doc/async.mapValuesSeries.html)
+- [`mapValuesLimit`](http://suguru03.github.io/neo-async/doc/async.mapValuesLimit.html)
+- [`filter`](http://suguru03.github.io/neo-async/doc/async.filter.html)
+- [`filterSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html)
+- [`filterLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html)
+- [`select`](http://suguru03.github.io/neo-async/doc/async.filter.html) -> [`filter`](http://suguru03.github.io/neo-async/doc/async.filter.html)
+- [`selectSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html) -> [`filterSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html)
+- [`selectLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html) -> [`filterLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html)
+- [`reject`](http://suguru03.github.io/neo-async/doc/async.reject.html)
+- [`rejectSeries`](http://suguru03.github.io/neo-async/doc/async.rejectSeries.html)
+- [`rejectLimit`](http://suguru03.github.io/neo-async/doc/async.rejectLimit.html)
+- [`detect`](http://suguru03.github.io/neo-async/doc/async.detect.html)
+- [`detectSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html)
+- [`detectLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html)
+- [`find`](http://suguru03.github.io/neo-async/doc/async.detect.html) -> [`detect`](http://suguru03.github.io/neo-async/doc/async.detect.html)
+- [`findSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html) -> [`detectSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html)
+- [`findLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html) -> [`detectLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html)
+- [`pick`](http://suguru03.github.io/neo-async/doc/async.pick.html) *
+- [`pickSeries`](http://suguru03.github.io/neo-async/doc/async.pickSeries.html) *
+- [`pickLimit`](http://suguru03.github.io/neo-async/doc/async.pickLimit.html) *
+- [`omit`](http://suguru03.github.io/neo-async/doc/async.omit.html) *
+- [`omitSeries`](http://suguru03.github.io/neo-async/doc/async.omitSeries.html) *
+- [`omitLimit`](http://suguru03.github.io/neo-async/doc/async.omitLimit.html) *
+- [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html)
+- [`inject`](http://suguru03.github.io/neo-async/doc/async.reduce.html) -> [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html)
+- [`foldl`](http://suguru03.github.io/neo-async/doc/async.reduce.html) -> [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html)
+- [`reduceRight`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html)
+- [`foldr`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html) -> [`reduceRight`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html)
+- [`transform`](http://suguru03.github.io/neo-async/doc/async.transform.html)
+- [`transformSeries`](http://suguru03.github.io/neo-async/doc/async.transformSeries.html) *
+- [`transformLimit`](http://suguru03.github.io/neo-async/doc/async.transformLimit.html) *
+- [`sortBy`](http://suguru03.github.io/neo-async/doc/async.sortBy.html)
+- [`sortBySeries`](http://suguru03.github.io/neo-async/doc/async.sortBySeries.html) *
+- [`sortByLimit`](http://suguru03.github.io/neo-async/doc/async.sortByLimit.html) *
+- [`some`](http://suguru03.github.io/neo-async/doc/async.some.html)
+- [`someSeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html)
+- [`someLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html)
+- [`any`](http://suguru03.github.io/neo-async/doc/async.some.html) -> [`some`](http://suguru03.github.io/neo-async/doc/async.some.html)
+- [`anySeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html) -> [`someSeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html)
+- [`anyLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html) -> [`someLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html)
+- [`every`](http://suguru03.github.io/neo-async/doc/async.every.html)
+- [`everySeries`](http://suguru03.github.io/neo-async/doc/async.everySeries.html)
+- [`everyLimit`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html)
+- [`all`](http://suguru03.github.io/neo-async/doc/async.every.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.every.html)
+- [`allSeries`](http://suguru03.github.io/neo-async/doc/async.everySeries.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.everySeries.html)
+- [`allLimit`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html)
+- [`concat`](http://suguru03.github.io/neo-async/doc/async.concat.html)
+- [`concatSeries`](http://suguru03.github.io/neo-async/doc/async.concatSeries.html)
+- [`concatLimit`](http://suguru03.github.io/neo-async/doc/async.concatLimit.html) *
+
+### Control Flow
+
+- [`parallel`](http://suguru03.github.io/neo-async/doc/async.parallel.html)
+- [`series`](http://suguru03.github.io/neo-async/doc/async.series.html)
+- [`parallelLimit`](http://suguru03.github.io/neo-async/doc/async.series.html)
+- [`tryEach`](http://suguru03.github.io/neo-async/doc/async.tryEach.html)
+- [`waterfall`](http://suguru03.github.io/neo-async/doc/async.waterfall.html)
+- [`angelFall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) *
+- [`angelfall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) -> [`angelFall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) *
+- [`whilst`](#whilst)
+- [`doWhilst`](#doWhilst)
+- [`until`](#until)
+- [`doUntil`](#doUntil)
+- [`during`](#during)
+- [`doDuring`](#doDuring)
+- [`forever`](#forever)
+- [`compose`](#compose)
+- [`seq`](#seq)
+- [`applyEach`](#applyEach)
+- [`applyEachSeries`](#applyEachSeries)
+- [`queue`](#queue)
+- [`priorityQueue`](#priorityQueue)
+- [`cargo`](#cargo)
+- [`auto`](#auto)
+- [`autoInject`](#autoInject)
+- [`retry`](#retry)
+- [`retryable`](#retryable)
+- [`iterator`](#iterator)
+- [`times`](http://suguru03.github.io/neo-async/doc/async.times.html)
+- [`timesSeries`](http://suguru03.github.io/neo-async/doc/async.timesSeries.html)
+- [`timesLimit`](http://suguru03.github.io/neo-async/doc/async.timesLimit.html)
+- [`race`](#race)
+
+### Utils
+- [`apply`](#apply)
+- [`setImmediate`](#setImmediate)
+- [`nextTick`](#nextTick)
+- [`memoize`](#memoize)
+- [`unmemoize`](#unmemoize)
+- [`ensureAsync`](#ensureAsync)
+- [`constant`](#constant)
+- [`asyncify`](#asyncify)
+- [`wrapSync`](#asyncify) -> [`asyncify`](#asyncify)
+- [`log`](#log)
+- [`dir`](#dir)
+- [`timeout`](http://suguru03.github.io/neo-async/doc/async.timeout.html)
+- [`reflect`](#reflect)
+- [`reflectAll`](#reflectAll)
+- [`createLogger`](#createLogger)
+
+## Mode
+- [`safe`](#safe) *
+- [`fast`](#fast) *
+
+## Benchmark
+
+[Benchmark: Async vs Neo-Async](http://suguru03.hatenablog.com/entry/2016/06/10/135559)
+
+### How to check
+
+```bash
+$ node perf
+```
+
+### Environment
+
+* Darwin 17.3.0 x64
+* Node.js v8.9.4
+* async v2.6.0
+* neo-async v2.5.0
+* benchmark v2.1.4
+
+### Result
+
+The value is the ratio (Neo-Async/Async) of the average speed.
+
+#### Collections
+|function|benchmark|
+|---|--:|
+|each/forEach|2.43|
+|eachSeries/forEachSeries|1.75|
+|eachLimit/forEachLimit|1.68|
+|eachOf|3.29|
+|eachOfSeries|1.50|
+|eachOfLimit|1.59|
+|map|3.95|
+|mapSeries|1.81|
+|mapLimit|1.27|
+|mapValues|2.73|
+|mapValuesSeries|1.59|
+|mapValuesLimit|1.23|
+|filter|3.00|
+|filterSeries|1.74|
+|filterLimit|1.17|
+|reject|4.59|
+|rejectSeries|2.31|
+|rejectLimit|1.58|
+|detect|4.30|
+|detectSeries|1.86|
+|detectLimit|1.32|
+|reduce|1.82|
+|transform|2.46|
+|sortBy|4.08|
+|some|2.19|
+|someSeries|1.83|
+|someLimit|1.32|
+|every|2.09|
+|everySeries|1.84|
+|everyLimit|1.35|
+|concat|3.79|
+|concatSeries|4.45|
+
+#### Control Flow
+|funciton|benchmark|
+|---|--:|
+|parallel|2.93|
+|series|1.96|
+|waterfall|1.29|
+|whilst|1.00|
+|doWhilst|1.12|
+|until|1.12|
+|doUntil|1.12|
+|during|1.18|
+|doDuring|2.42|
+|times|4.25|
+|auto|1.97|
+
+
+## License
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async?ref=badge_large)
diff --git a/node_modules/neo-async/all.js b/node_modules/neo-async/all.js
new file mode 100644
index 00000000..dad54e7f
--- /dev/null
+++ b/node_modules/neo-async/all.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').all;
diff --git a/node_modules/neo-async/allLimit.js b/node_modules/neo-async/allLimit.js
new file mode 100644
index 00000000..d9d7aaa1
--- /dev/null
+++ b/node_modules/neo-async/allLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').allLimit;
diff --git a/node_modules/neo-async/allSeries.js b/node_modules/neo-async/allSeries.js
new file mode 100644
index 00000000..2a7a8ba8
--- /dev/null
+++ b/node_modules/neo-async/allSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').allSeries;
diff --git a/node_modules/neo-async/angelFall.js b/node_modules/neo-async/angelFall.js
new file mode 100644
index 00000000..476c23ec
--- /dev/null
+++ b/node_modules/neo-async/angelFall.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').angelfall;
diff --git a/node_modules/neo-async/any.js b/node_modules/neo-async/any.js
new file mode 100644
index 00000000..d6b07bb5
--- /dev/null
+++ b/node_modules/neo-async/any.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').any;
diff --git a/node_modules/neo-async/anyLimit.js b/node_modules/neo-async/anyLimit.js
new file mode 100644
index 00000000..34114f88
--- /dev/null
+++ b/node_modules/neo-async/anyLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').anyLimit;
diff --git a/node_modules/neo-async/anySeries.js b/node_modules/neo-async/anySeries.js
new file mode 100644
index 00000000..bb3781fd
--- /dev/null
+++ b/node_modules/neo-async/anySeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').anySeries;
diff --git a/node_modules/neo-async/apply.js b/node_modules/neo-async/apply.js
new file mode 100644
index 00000000..41135e21
--- /dev/null
+++ b/node_modules/neo-async/apply.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').apply;
diff --git a/node_modules/neo-async/applyEach.js b/node_modules/neo-async/applyEach.js
new file mode 100644
index 00000000..292bd1c0
--- /dev/null
+++ b/node_modules/neo-async/applyEach.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').applyEach;
diff --git a/node_modules/neo-async/applyEachSeries.js b/node_modules/neo-async/applyEachSeries.js
new file mode 100644
index 00000000..0aece7cd
--- /dev/null
+++ b/node_modules/neo-async/applyEachSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').applyEachSeries;
diff --git a/node_modules/neo-async/async.js b/node_modules/neo-async/async.js
new file mode 100644
index 00000000..e78eb168
--- /dev/null
+++ b/node_modules/neo-async/async.js
@@ -0,0 +1,9184 @@
+(function(global, factory) {
+  /*jshint -W030 */
+  'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined'
+    ? factory(exports)
+    : typeof define === 'function' && define.amd
+    ? define(['exports'], factory)
+    : global.async
+    ? factory((global.neo_async = global.neo_async || {}))
+    : factory((global.async = global.async || {}));
+})(this, function(exports) {
+  'use strict';
+
+  var noop = function noop() {};
+  var throwError = function throwError() {
+    throw new Error('Callback was already called.');
+  };
+
+  var DEFAULT_TIMES = 5;
+  var DEFAULT_INTERVAL = 0;
+
+  var obj = 'object';
+  var func = 'function';
+  var isArray = Array.isArray;
+  var nativeKeys = Object.keys;
+  var nativePush = Array.prototype.push;
+  var iteratorSymbol = typeof Symbol === func && Symbol.iterator;
+
+  var nextTick, asyncNextTick, asyncSetImmediate;
+  createImmediate();
+
+  /**
+   * @memberof async
+   * @namespace each
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.each(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.each(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.each(object, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.each(object, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   * @example
+   *
+   * // break
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num !== 2);
+   *   }, num * 10);
+   * };
+   * async.each(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 2]
+   * });
+   *
+   */
+  var each = createEach(arrayEach, baseEach, symbolEach);
+
+  /**
+   * @memberof async
+   * @namespace map
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.map(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.map(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.map(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.map(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var map = createMap(arrayEachIndex, baseEachIndex, symbolEachIndex, true);
+
+  /**
+   * @memberof async
+   * @namespace mapValues
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValues(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2 }
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValues(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2 }
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValues(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3, c: 2 }
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValues(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3, c: 2 }
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var mapValues = createMap(arrayEachIndex, baseEachKey, symbolEachKey, false);
+
+  /**
+   * @memberof async
+   * @namespace filter
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filter(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filter(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3];
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filter(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filter(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3];
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var filter = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, true);
+
+  /**
+   * @memberof async
+   * @namespace filterSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3]
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3]
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3]
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  var filterSeries = createFilterSeries(true);
+
+  /**
+   * @memberof async
+   * @namespace filterLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3]
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.filterLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3]
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  var filterLimit = createFilterLimit(true);
+
+  /**
+   * @memberof async
+   * @namespace reject
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.reject(array, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.reject(array, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.reject(object, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.reject(object, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var reject = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, false);
+
+  /**
+   * @memberof async
+   * @namespace rejectSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [2];
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  var rejectSeries = createFilterSeries(false);
+
+  /**
+   * @memberof async
+   * @namespace rejectLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [4, 2]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [4, 2]
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [4, 2]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.rejectLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [4, 2]
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  var rejectLimit = createFilterLimit(false);
+
+  /**
+   * @memberof async
+   * @namespace detect
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detect(array, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detect(array, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detect(object, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detect(object, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  var detect = createDetect(arrayEachValue, baseEachValue, symbolEachValue, true);
+
+  /**
+   * @memberof async
+   * @namespace detectSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectSeries(array, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectSeries(array, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectSeries(object, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectSeries(object, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  var detectSeries = createDetectSeries(true);
+
+  /**
+   * @memberof async
+   * @namespace detectLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.detectLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // 1
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  var detectLimit = createDetectLimit(true);
+
+  /**
+   * @memberof async
+   * @namespace every
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.every(array, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.every(array, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 0], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.every(object, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.every(object, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 'a'], [2, 'c']]
+   * });
+   *
+   */
+  var every = createEvery(arrayEachValue, baseEachValue, symbolEachValue);
+
+  /**
+   * @memberof async
+   * @namespace everySeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everySeries(array, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everySeries(array, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everySeries(object, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everySeries(object, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 'a'], [3, 'b'] [2, 'c']]
+   * });
+   *
+   */
+  var everySeries = createEverySeries();
+
+  /**
+   * @memberof async
+   * @namespace everyLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everyLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 3, 5, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everyLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everyLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [1, 3, 5, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.everyLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // false
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e']]
+   * });
+   *
+   */
+  var everyLimit = createEveryLimit();
+
+  /**
+   * @memberof async
+   * @namespace pick
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pick(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3 }
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pick(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3 }
+   *   console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pick(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3 }
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pick(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3 }
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
+   * });
+   *
+   */
+  var pick = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, true);
+
+  /**
+   * @memberof async
+   * @namespace pickSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3 }
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3 }
+   *   console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3 }
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3 }
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']]
+   * });
+   *
+   */
+  var pickSeries = createPickSeries(true);
+
+  /**
+   * @memberof async
+   * @namespace pickLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 5, '2': 3 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 5, '2': 3 }
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 5, c: 3 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.pickLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 5, c: 3 }
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  var pickLimit = createPickLimit(true);
+
+  /**
+   * @memberof async
+   * @namespace omit
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omit(array, iterator, function(err, res) {
+   *   console.log(res); // { '2': 2, '3': 4 }
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omit(array, iterator, function(err, res) {
+   *   console.log(res); // { '2': 2, '3': 4 }
+   *   console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omit(object, iterator, function(err, res) {
+   *   console.log(res); // { c: 2, d: 4 }
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omit(object, iterator, function(err, res) {
+   *   console.log(res); // { c: 2, d: 4 }
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
+   * });
+   *
+   */
+  var omit = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, false);
+
+  /**
+   * @memberof async
+   * @namespace omitSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '2': 2, '3': 4 }
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2, 4];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '2': 2, '3': 4 }
+   *   console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { c: 2, d: 4 }
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { c: 2, d: 4 }
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']]
+   * });
+   *
+   */
+  var omitSeries = createPickSeries(false);
+
+  /**
+   * @memberof async
+   * @namespace omitLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '3': 4, '4': 2 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '3': 4, '4': 2 }
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { d: 4, e: 2 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.omitLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { d: 4, e: 2 }
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  var omitLimit = createPickLimit(false);
+
+  /**
+   * @memberof async
+   * @namespace transform
+   * @param {Array|Object} collection
+   * @param {Array|Object|Function} [accumulator]
+   * @param {Function} [iterator]
+   * @param {Function} [callback]
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num)
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transform(collection, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4]
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index and accumulator
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     result[index] = num;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transform(collection, {}, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 }
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object with accumulator
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transform(collection, [], iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4]
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     result[key] = num;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transform(collection, iterator, function(err, res) {
+   *   console.log(res); //  { a: 1, b: 3, c: 2, d: 4 }
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
+   * });
+   *
+   */
+  var transform = createTransform(arrayEachResult, baseEachResult, symbolEachResult);
+
+  /**
+   * @memberof async
+   * @namespace sortBy
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBy(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBy(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBy(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBy(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var sortBy = createSortBy(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue);
+
+  /**
+   * @memberof async
+   * @namespace concat
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concat(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3];
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concat(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 0], [2, 2], [3, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concat(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [1, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concat(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
+   * });
+   *
+   */
+  var concat = createConcat(arrayEachIndex, baseEachIndex, symbolEachIndex);
+
+  /**
+   * @memberof async
+   * @namespace groupBy
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [4.2, 6.4, 6.1];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBy(array, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
+   *   console.log(order); // [4.2, 6.1, 6.4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [4.2, 6.4, 6.1];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBy(array, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
+   *   console.log(order); // [[4.2, 0], [6.1, 2], [6.4, 1]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 4.2, b: 6.4, c: 6.1 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBy(object, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
+   *   console.log(order); // [4.2, 6.1, 6.4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 4.2, b: 6.4, c: 6.1 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBy(object, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
+   *   console.log(order); // [[4.2, 'a'], [6.1, 'c'], [6.4, 'b']]
+   * });
+   *
+   */
+  var groupBy = createGroupBy(arrayEachValue, baseEachValue, symbolEachValue);
+
+  /**
+   * @memberof async
+   * @namespace parallel
+   * @param {Array|Object} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * var order = [];
+   * var tasks = [
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(1);
+   *      done(null, 1);
+   *    }, 10);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(2);
+   *      done(null, 2);
+   *    }, 30);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(3);
+   *      done(null, 3);
+   *    }, 40);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(4);
+   *      done(null, 4);
+   *    }, 20);
+   *  }
+   * ];
+   * async.parallel(tasks, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4];
+   *   console.log(order); // [1, 4, 2, 3]
+   * });
+   *
+   * @example
+   *
+   * var order = [];
+   * var tasks = {
+   *   'a': function(done) {
+   *     setTimeout(function() {
+   *       order.push(1);
+   *       done(null, 1);
+   *     }, 10);
+   *   },
+   *   'b': function(done) {
+   *     setTimeout(function() {
+   *       order.push(2);
+   *       done(null, 2);
+   *     }, 30);
+   *   },
+   *   'c': function(done) {
+   *     setTimeout(function() {
+   *       order.push(3);
+   *       done(null, 3);
+   *     }, 40);
+   *   },
+   *   'd': function(done) {
+   *     setTimeout(function() {
+   *       order.push(4);
+   *       done(null, 4);
+   *     }, 20);
+   *   }
+   * };
+   * async.parallel(tasks, function(err, res) {
+   *   console.log(res); // { a: 1, b: 2, c: 3, d:4 }
+   *   console.log(order); // [1, 4, 2, 3]
+   * });
+   *
+   */
+  var parallel = createParallel(arrayEachFunc, baseEachFunc);
+
+  /**
+   * @memberof async
+   * @namespace applyEach
+   */
+  var applyEach = createApplyEach(map);
+
+  /**
+   * @memberof async
+   * @namespace applyEachSeries
+   */
+  var applyEachSeries = createApplyEach(mapSeries);
+
+  /**
+   * @memberof async
+   * @namespace log
+   */
+  var log = createLogger('log');
+
+  /**
+   * @memberof async
+   * @namespace dir
+   */
+  var dir = createLogger('dir');
+
+  /**
+   * @version 2.6.2
+   * @namespace async
+   */
+  var index = {
+    VERSION: '2.6.2',
+
+    // Collections
+    each: each,
+    eachSeries: eachSeries,
+    eachLimit: eachLimit,
+    forEach: each,
+    forEachSeries: eachSeries,
+    forEachLimit: eachLimit,
+    eachOf: each,
+    eachOfSeries: eachSeries,
+    eachOfLimit: eachLimit,
+    forEachOf: each,
+    forEachOfSeries: eachSeries,
+    forEachOfLimit: eachLimit,
+    map: map,
+    mapSeries: mapSeries,
+    mapLimit: mapLimit,
+    mapValues: mapValues,
+    mapValuesSeries: mapValuesSeries,
+    mapValuesLimit: mapValuesLimit,
+    filter: filter,
+    filterSeries: filterSeries,
+    filterLimit: filterLimit,
+    select: filter,
+    selectSeries: filterSeries,
+    selectLimit: filterLimit,
+    reject: reject,
+    rejectSeries: rejectSeries,
+    rejectLimit: rejectLimit,
+    detect: detect,
+    detectSeries: detectSeries,
+    detectLimit: detectLimit,
+    find: detect,
+    findSeries: detectSeries,
+    findLimit: detectLimit,
+    pick: pick,
+    pickSeries: pickSeries,
+    pickLimit: pickLimit,
+    omit: omit,
+    omitSeries: omitSeries,
+    omitLimit: omitLimit,
+    reduce: reduce,
+    inject: reduce,
+    foldl: reduce,
+    reduceRight: reduceRight,
+    foldr: reduceRight,
+    transform: transform,
+    transformSeries: transformSeries,
+    transformLimit: transformLimit,
+    sortBy: sortBy,
+    sortBySeries: sortBySeries,
+    sortByLimit: sortByLimit,
+    some: some,
+    someSeries: someSeries,
+    someLimit: someLimit,
+    any: some,
+    anySeries: someSeries,
+    anyLimit: someLimit,
+    every: every,
+    everySeries: everySeries,
+    everyLimit: everyLimit,
+    all: every,
+    allSeries: everySeries,
+    allLimit: everyLimit,
+    concat: concat,
+    concatSeries: concatSeries,
+    concatLimit: concatLimit,
+    groupBy: groupBy,
+    groupBySeries: groupBySeries,
+    groupByLimit: groupByLimit,
+
+    // Control Flow
+    parallel: parallel,
+    series: series,
+    parallelLimit: parallelLimit,
+    tryEach: tryEach,
+    waterfall: waterfall,
+    angelFall: angelFall,
+    angelfall: angelFall,
+    whilst: whilst,
+    doWhilst: doWhilst,
+    until: until,
+    doUntil: doUntil,
+    during: during,
+    doDuring: doDuring,
+    forever: forever,
+    compose: compose,
+    seq: seq,
+    applyEach: applyEach,
+    applyEachSeries: applyEachSeries,
+    queue: queue,
+    priorityQueue: priorityQueue,
+    cargo: cargo,
+    auto: auto,
+    autoInject: autoInject,
+    retry: retry,
+    retryable: retryable,
+    iterator: iterator,
+    times: times,
+    timesSeries: timesSeries,
+    timesLimit: timesLimit,
+    race: race,
+
+    // Utils
+    apply: apply,
+    nextTick: asyncNextTick,
+    setImmediate: asyncSetImmediate,
+    memoize: memoize,
+    unmemoize: unmemoize,
+    ensureAsync: ensureAsync,
+    constant: constant,
+    asyncify: asyncify,
+    wrapSync: asyncify,
+    log: log,
+    dir: dir,
+    reflect: reflect,
+    reflectAll: reflectAll,
+    timeout: timeout,
+    createLogger: createLogger,
+
+    // Mode
+    safe: safe,
+    fast: fast
+  };
+
+  exports['default'] = index;
+  baseEachSync(
+    index,
+    function(func, key) {
+      exports[key] = func;
+    },
+    nativeKeys(index)
+  );
+
+  /**
+   * @private
+   */
+  function createImmediate(safeMode) {
+    var delay = function delay(fn) {
+      var args = slice(arguments, 1);
+      setTimeout(function() {
+        fn.apply(null, args);
+      });
+    };
+    asyncSetImmediate = typeof setImmediate === func ? setImmediate : delay;
+    if (typeof process === obj && typeof process.nextTick === func) {
+      nextTick = /^v0.10/.test(process.version) ? asyncSetImmediate : process.nextTick;
+      asyncNextTick = /^v0/.test(process.version) ? asyncSetImmediate : process.nextTick;
+    } else {
+      asyncNextTick = nextTick = asyncSetImmediate;
+    }
+    if (safeMode === false) {
+      nextTick = function(cb) {
+        cb();
+      };
+    }
+  }
+
+  /* sync functions based on lodash */
+
+  /**
+   * Converts `arguments` to an array.
+   *
+   * @private
+   * @param {Array} array = The array to slice.
+   */
+  function createArray(array) {
+    var index = -1;
+    var size = array.length;
+    var result = Array(size);
+
+    while (++index < size) {
+      result[index] = array[index];
+    }
+    return result;
+  }
+
+  /**
+   * Create an array from `start`
+   *
+   * @private
+   * @param {Array} array - The array to slice.
+   * @param {number} start - The start position.
+   */
+  function slice(array, start) {
+    var end = array.length;
+    var index = -1;
+    var size = end - start;
+    if (size <= 0) {
+      return [];
+    }
+    var result = Array(size);
+
+    while (++index < size) {
+      result[index] = array[index + start];
+    }
+    return result;
+  }
+
+  /**
+   * @private
+   * @param {Object} object
+   */
+  function objectClone(object) {
+    var keys = nativeKeys(object);
+    var size = keys.length;
+    var index = -1;
+    var result = {};
+
+    while (++index < size) {
+      var key = keys[index];
+      result[key] = object[key];
+    }
+    return result;
+  }
+
+  /**
+   * Create an array with all falsey values removed.
+   *
+   * @private
+   * @param {Array} array - The array to compact.
+   */
+  function compact(array) {
+    var index = -1;
+    var size = array.length;
+    var result = [];
+
+    while (++index < size) {
+      var value = array[index];
+      if (value) {
+        result[result.length] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Create an array of reverse sequence.
+   *
+   * @private
+   * @param {Array} array - The array to reverse.
+   */
+  function reverse(array) {
+    var index = -1;
+    var size = array.length;
+    var result = Array(size);
+    var resIndex = size;
+
+    while (++index < size) {
+      result[--resIndex] = array[index];
+    }
+    return result;
+  }
+
+  /**
+   * Checks if key exists in object property.
+   *
+   * @private
+   * @param {Object} object - The object to inspect.
+   * @param {string} key - The key to check.
+   */
+  function has(object, key) {
+    return object.hasOwnProperty(key);
+  }
+
+  /**
+   * Check if target exists in array.
+   * @private
+   * @param {Array} array
+   * @param {*} target
+   */
+  function notInclude(array, target) {
+    var index = -1;
+    var size = array.length;
+
+    while (++index < size) {
+      if (array[index] === target) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * @private
+   * @param {Array} array - The array to iterate over.
+   * @param {Function} iterator - The function invoked per iteration.
+   */
+  function arrayEachSync(array, iterator) {
+    var index = -1;
+    var size = array.length;
+
+    while (++index < size) {
+      iterator(array[index], index);
+    }
+    return array;
+  }
+
+  /**
+   * @private
+   * @param {Object} object - The object to iterate over.
+   * @param {Function} iterator - The function invoked per iteration.
+   * @param {Array} keys
+   */
+  function baseEachSync(object, iterator, keys) {
+    var index = -1;
+    var size = keys.length;
+
+    while (++index < size) {
+      var key = keys[index];
+      iterator(object[key], key);
+    }
+    return object;
+  }
+
+  /**
+   * @private
+   * @param {number} n
+   * @param {Function} iterator
+   */
+  function timesSync(n, iterator) {
+    var index = -1;
+    while (++index < n) {
+      iterator(index);
+    }
+  }
+
+  /**
+   * @private
+   * @param {Array} array
+   * @param {number[]} criteria
+   */
+  function sortByCriteria(array, criteria) {
+    var l = array.length;
+    var indices = Array(l);
+    var i;
+    for (i = 0; i < l; i++) {
+      indices[i] = i;
+    }
+    quickSort(criteria, 0, l - 1, indices);
+    var result = Array(l);
+    for (var n = 0; n < l; n++) {
+      i = indices[n];
+      result[n] = i === undefined ? array[n] : array[i];
+    }
+    return result;
+  }
+
+  function partition(array, i, j, mid, indices) {
+    var l = i;
+    var r = j;
+    while (l <= r) {
+      i = l;
+      while (l < r && array[l] < mid) {
+        l++;
+      }
+      while (r >= i && array[r] >= mid) {
+        r--;
+      }
+      if (l > r) {
+        break;
+      }
+      swap(array, indices, l++, r--);
+    }
+    return l;
+  }
+
+  function swap(array, indices, l, r) {
+    var n = array[l];
+    array[l] = array[r];
+    array[r] = n;
+    var i = indices[l];
+    indices[l] = indices[r];
+    indices[r] = i;
+  }
+
+  function quickSort(array, i, j, indices) {
+    if (i === j) {
+      return;
+    }
+    var k = i;
+    while (++k <= j && array[i] === array[k]) {
+      var l = k - 1;
+      if (indices[l] > indices[k]) {
+        var index = indices[l];
+        indices[l] = indices[k];
+        indices[k] = index;
+      }
+    }
+    if (k > j) {
+      return;
+    }
+    var p = array[i] > array[k] ? i : k;
+    k = partition(array, i, j, array[p], indices);
+    quickSort(array, i, k - 1, indices);
+    quickSort(array, k, j, indices);
+  }
+
+  /**
+   * @Private
+   */
+  function makeConcatResult(array) {
+    var result = [];
+    arrayEachSync(array, function(value) {
+      if (value === noop) {
+        return;
+      }
+      if (isArray(value)) {
+        nativePush.apply(result, value);
+      } else {
+        result.push(value);
+      }
+    });
+    return result;
+  }
+
+  /* async functions */
+
+  /**
+   * @private
+   */
+  function arrayEach(array, iterator, callback) {
+    var index = -1;
+    var size = array.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        iterator(array[index], index, onlyOnce(callback));
+      }
+    } else {
+      while (++index < size) {
+        iterator(array[index], onlyOnce(callback));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEach(object, iterator, callback, keys) {
+    var key;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        iterator(object[key], key, onlyOnce(callback));
+      }
+    } else {
+      while (++index < size) {
+        iterator(object[keys[index]], onlyOnce(callback));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEach(collection, iterator, callback) {
+    var iter = collection[iteratorSymbol]();
+    var index = 0;
+    var item;
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        iterator(item.value, index++, onlyOnce(callback));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        index++;
+        iterator(item.value, onlyOnce(callback));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function arrayEachResult(array, result, iterator, callback) {
+    var index = -1;
+    var size = array.length;
+
+    if (iterator.length === 4) {
+      while (++index < size) {
+        iterator(result, array[index], index, onlyOnce(callback));
+      }
+    } else {
+      while (++index < size) {
+        iterator(result, array[index], onlyOnce(callback));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEachResult(object, result, iterator, callback, keys) {
+    var key;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 4) {
+      while (++index < size) {
+        key = keys[index];
+        iterator(result, object[key], key, onlyOnce(callback));
+      }
+    } else {
+      while (++index < size) {
+        iterator(result, object[keys[index]], onlyOnce(callback));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachResult(collection, result, iterator, callback) {
+    var item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 4) {
+      while ((item = iter.next()).done === false) {
+        iterator(result, item.value, index++, onlyOnce(callback));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        index++;
+        iterator(result, item.value, onlyOnce(callback));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function arrayEachFunc(array, createCallback) {
+    var index = -1;
+    var size = array.length;
+
+    while (++index < size) {
+      array[index](createCallback(index));
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEachFunc(object, createCallback, keys) {
+    var key;
+    var index = -1;
+    var size = keys.length;
+
+    while (++index < size) {
+      key = keys[index];
+      object[key](createCallback(key));
+    }
+  }
+
+  /**
+   * @private
+   */
+  function arrayEachIndex(array, iterator, createCallback) {
+    var index = -1;
+    var size = array.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        iterator(array[index], index, createCallback(index));
+      }
+    } else {
+      while (++index < size) {
+        iterator(array[index], createCallback(index));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEachIndex(object, iterator, createCallback, keys) {
+    var key;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        iterator(object[key], key, createCallback(index));
+      }
+    } else {
+      while (++index < size) {
+        iterator(object[keys[index]], createCallback(index));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachIndex(collection, iterator, createCallback) {
+    var item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        iterator(item.value, index, createCallback(index++));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        iterator(item.value, createCallback(index++));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function baseEachKey(object, iterator, createCallback, keys) {
+    var key;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        iterator(object[key], key, createCallback(key));
+      }
+    } else {
+      while (++index < size) {
+        key = keys[index];
+        iterator(object[key], createCallback(key));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachKey(collection, iterator, createCallback) {
+    var item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        iterator(item.value, index, createCallback(index++));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        iterator(item.value, createCallback(index++));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function arrayEachValue(array, iterator, createCallback) {
+    var value;
+    var index = -1;
+    var size = array.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        value = array[index];
+        iterator(value, index, createCallback(value));
+      }
+    } else {
+      while (++index < size) {
+        value = array[index];
+        iterator(value, createCallback(value));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEachValue(object, iterator, createCallback, keys) {
+    var key, value;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        value = object[key];
+        iterator(value, key, createCallback(value));
+      }
+    } else {
+      while (++index < size) {
+        value = object[keys[index]];
+        iterator(value, createCallback(value));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachValue(collection, iterator, createCallback) {
+    var value, item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        value = item.value;
+        iterator(value, index++, createCallback(value));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        index++;
+        value = item.value;
+        iterator(value, createCallback(value));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function arrayEachIndexValue(array, iterator, createCallback) {
+    var value;
+    var index = -1;
+    var size = array.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        value = array[index];
+        iterator(value, index, createCallback(index, value));
+      }
+    } else {
+      while (++index < size) {
+        value = array[index];
+        iterator(value, createCallback(index, value));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function baseEachIndexValue(object, iterator, createCallback, keys) {
+    var key, value;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        value = object[key];
+        iterator(value, key, createCallback(index, value));
+      }
+    } else {
+      while (++index < size) {
+        value = object[keys[index]];
+        iterator(value, createCallback(index, value));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachIndexValue(collection, iterator, createCallback) {
+    var value, item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        value = item.value;
+        iterator(value, index, createCallback(index++, value));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        value = item.value;
+        iterator(value, createCallback(index++, value));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   */
+  function baseEachKeyValue(object, iterator, createCallback, keys) {
+    var key, value;
+    var index = -1;
+    var size = keys.length;
+
+    if (iterator.length === 3) {
+      while (++index < size) {
+        key = keys[index];
+        value = object[key];
+        iterator(value, key, createCallback(key, value));
+      }
+    } else {
+      while (++index < size) {
+        key = keys[index];
+        value = object[key];
+        iterator(value, createCallback(key, value));
+      }
+    }
+  }
+
+  /**
+   * @private
+   */
+  function symbolEachKeyValue(collection, iterator, createCallback) {
+    var value, item;
+    var index = 0;
+    var iter = collection[iteratorSymbol]();
+
+    if (iterator.length === 3) {
+      while ((item = iter.next()).done === false) {
+        value = item.value;
+        iterator(value, index, createCallback(index++, value));
+      }
+    } else {
+      while ((item = iter.next()).done === false) {
+        value = item.value;
+        iterator(value, createCallback(index++, value));
+      }
+    }
+    return index;
+  }
+
+  /**
+   * @private
+   * @param {Function} func
+   */
+  function onlyOnce(func) {
+    return function(err, res) {
+      var fn = func;
+      func = throwError;
+      fn(err, res);
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} func
+   */
+  function once(func) {
+    return function(err, res) {
+      var fn = func;
+      func = noop;
+      fn(err, res);
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   */
+  function createEach(arrayEach, baseEach, symbolEach) {
+    return function each(collection, iterator, callback) {
+      callback = once(callback || noop);
+      var size, keys;
+      var completed = 0;
+      if (isArray(collection)) {
+        size = collection.length;
+        arrayEach(collection, iterator, done);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = symbolEach(collection, iterator, done);
+        size && size === completed && callback(null);
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        baseEach(collection, iterator, done, keys);
+      }
+      if (!size) {
+        callback(null);
+      }
+
+      function done(err, bool) {
+        if (err) {
+          callback = once(callback);
+          callback(err);
+        } else if (++completed === size) {
+          callback(null);
+        } else if (bool === false) {
+          callback = once(callback);
+          callback(null);
+        }
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   */
+  function createMap(arrayEach, baseEach, symbolEach, useArray) {
+    var init, clone;
+    if (useArray) {
+      init = Array;
+      clone = createArray;
+    } else {
+      init = function() {
+        return {};
+      };
+      clone = objectClone;
+    }
+
+    return function(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, keys, result;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        result = init(size);
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        // TODO: size could be changed
+        result = init(0);
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, result);
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        result = init(size);
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        callback(null, init());
+      }
+
+      function createCallback(key) {
+        return function done(err, res) {
+          if (key === null) {
+            throwError();
+          }
+          if (err) {
+            key = null;
+            callback = once(callback);
+            callback(err, clone(result));
+            return;
+          }
+          result[key] = res;
+          key = null;
+          if (++completed === size) {
+            callback(null, result);
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   * @param {boolean} bool
+   */
+  function createFilter(arrayEach, baseEach, symbolEach, bool) {
+    return function(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, keys, result;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        result = Array(size);
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        result = [];
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, compact(result));
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        result = Array(size);
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        return callback(null, []);
+      }
+
+      function createCallback(index, value) {
+        return function done(err, res) {
+          if (index === null) {
+            throwError();
+          }
+          if (err) {
+            index = null;
+            callback = once(callback);
+            callback(err);
+            return;
+          }
+          if (!!res === bool) {
+            result[index] = value;
+          }
+          index = null;
+          if (++completed === size) {
+            callback(null, compact(result));
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createFilterSeries(bool) {
+    return function(collection, iterator, callback) {
+      callback = onlyOnce(callback || noop);
+      var size, key, value, keys, iter, item, iterate;
+      var sync = false;
+      var completed = 0;
+      var result = [];
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size) {
+        return callback(null, []);
+      }
+      iterate();
+
+      function arrayIterator() {
+        value = collection[completed];
+        iterator(value, done);
+      }
+
+      function arrayIteratorWithIndex() {
+        value = collection[completed];
+        iterator(value, completed, done);
+      }
+
+      function symbolIterator() {
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null, result) : iterator(value, done);
+      }
+
+      function symbolIteratorWithKey() {
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null, result) : iterator(value, completed, done);
+      }
+
+      function objectIterator() {
+        key = keys[completed];
+        value = collection[key];
+        iterator(value, done);
+      }
+
+      function objectIteratorWithKey() {
+        key = keys[completed];
+        value = collection[key];
+        iterator(value, key, done);
+      }
+
+      function done(err, res) {
+        if (err) {
+          callback(err);
+          return;
+        }
+        if (!!res === bool) {
+          result[result.length] = value;
+        }
+        if (++completed === size) {
+          iterate = throwError;
+          callback(null, result);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createFilterLimit(bool) {
+    return function(collection, limit, iterator, callback) {
+      callback = callback || noop;
+      var size, index, key, value, keys, iter, item, iterate, result;
+      var sync = false;
+      var started = 0;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        result = [];
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size || isNaN(limit) || limit < 1) {
+        return callback(null, []);
+      }
+      result = result || Array(size);
+      timesSync(limit > size ? size : limit, iterate);
+
+      function arrayIterator() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, createCallback(value, index));
+        }
+      }
+
+      function arrayIteratorWithIndex() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, index, createCallback(value, index));
+        }
+      }
+
+      function symbolIterator() {
+        item = iter.next();
+        if (item.done === false) {
+          value = item.value;
+          iterator(value, createCallback(value, started++));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null, compact(result));
+        }
+      }
+
+      function symbolIteratorWithKey() {
+        item = iter.next();
+        if (item.done === false) {
+          value = item.value;
+          iterator(value, started, createCallback(value, started++));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null, compact(result));
+        }
+      }
+
+      function objectIterator() {
+        index = started++;
+        if (index < size) {
+          value = collection[keys[index]];
+          iterator(value, createCallback(value, index));
+        }
+      }
+
+      function objectIteratorWithKey() {
+        index = started++;
+        if (index < size) {
+          key = keys[index];
+          value = collection[key];
+          iterator(value, key, createCallback(value, index));
+        }
+      }
+
+      function createCallback(value, index) {
+        return function(err, res) {
+          if (index === null) {
+            throwError();
+          }
+          if (err) {
+            index = null;
+            iterate = noop;
+            callback = once(callback);
+            callback(err);
+            return;
+          }
+          if (!!res === bool) {
+            result[index] = value;
+          }
+          index = null;
+          if (++completed === size) {
+            callback = onlyOnce(callback);
+            callback(null, compact(result));
+          } else if (sync) {
+            nextTick(iterate);
+          } else {
+            sync = true;
+            iterate();
+          }
+          sync = false;
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace eachSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachSeries(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachSeries(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachSeries(object, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachSeries(object, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b']]
+   * });
+   *
+   * @example
+   *
+   * // break
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num !== 3);
+   *   }, num * 10);
+   * };
+   * async.eachSeries(array, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3]
+   * });
+   */
+  function eachSeries(collection, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var size, key, keys, iter, item, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null);
+    }
+    iterate();
+
+    function arrayIterator() {
+      iterator(collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex() {
+      iterator(collection[completed], completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      item.done ? callback(null) : iterator(item.value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      item.done ? callback(null) : iterator(item.value, completed, done);
+    }
+
+    function objectIterator() {
+      iterator(collection[keys[completed]], done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      iterator(collection[key], key, done);
+    }
+
+    function done(err, bool) {
+      if (err) {
+        callback(err);
+      } else if (++completed === size || bool === false) {
+        iterate = throwError;
+        callback(null);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace eachLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.eachLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   * @example
+   *
+   * // break
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num !== 5);
+   *   }, num * 10);
+   * };
+   * async.eachLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // undefined
+   *   console.log(order); // [1, 3, 5]
+   * });
+   *
+   */
+  function eachLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, index, key, keys, iter, item, iterate;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    } else {
+      return callback(null);
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null);
+    }
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      if (started < size) {
+        iterator(collection[started++], done);
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[index], index, done);
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        started++;
+        iterator(item.value, done);
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null);
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, started++, done);
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null);
+      }
+    }
+
+    function objectIterator() {
+      if (started < size) {
+        iterator(collection[keys[started++]], done);
+      }
+    }
+
+    function objectIteratorWithKey() {
+      index = started++;
+      if (index < size) {
+        key = keys[index];
+        iterator(collection[key], key, done);
+      }
+    }
+
+    function done(err, bool) {
+      if (err || bool === false) {
+        iterate = noop;
+        callback = once(callback);
+        callback(err);
+      } else if (++completed === size) {
+        iterator = noop;
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(null);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace mapSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  function mapSeries(collection, iterator, callback) {
+    callback = callback || noop;
+    var size, key, keys, iter, item, result, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      result = [];
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, []);
+    }
+    result = result || Array(size);
+    iterate();
+
+    function arrayIterator() {
+      iterator(collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex() {
+      iterator(collection[completed], completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, completed, done);
+    }
+
+    function objectIterator() {
+      iterator(collection[keys[completed]], done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      iterator(collection[key], key, done);
+    }
+
+    function done(err, res) {
+      if (err) {
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(err, createArray(result));
+        return;
+      }
+      result[completed] = res;
+      if (++completed === size) {
+        iterate = throwError;
+        callback(null, result);
+        callback = throwError;
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace mapLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3, 4, 2]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3, 4, 2]
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3, 4, 2]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 5, 3, 4, 2]
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  function mapLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, index, key, keys, iter, item, result, iterate;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      result = [];
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, []);
+    }
+    result = result || Array(size);
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[index], createCallback(index));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[index], index, createCallback(index));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, started, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function objectIterator() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[keys[index]], createCallback(index));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      index = started++;
+      if (index < size) {
+        key = keys[index];
+        iterator(collection[key], key, createCallback(index));
+      }
+    }
+
+    function createCallback(index) {
+      return function(err, res) {
+        if (index === null) {
+          throwError();
+        }
+        if (err) {
+          index = null;
+          iterate = noop;
+          callback = once(callback);
+          callback(err, createArray(result));
+          return;
+        }
+        result[index] = res;
+        index = null;
+        if (++completed === size) {
+          iterate = throwError;
+          callback(null, result);
+          callback = throwError;
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace mapValuesSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2 }
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesSeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2 }
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3, c: 2 }
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesSeries(object, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 3, c: 2 }
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  function mapValuesSeries(collection, iterator, callback) {
+    callback = callback || noop;
+    var size, key, keys, iter, item, iterate;
+    var sync = false;
+    var result = {};
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, result);
+    }
+    iterate();
+
+    function arrayIterator() {
+      key = completed;
+      iterator(collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex() {
+      key = completed;
+      iterator(collection[completed], completed, done);
+    }
+
+    function symbolIterator() {
+      key = completed;
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      key = completed;
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, completed, done);
+    }
+
+    function objectIterator() {
+      key = keys[completed];
+      iterator(collection[key], done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      iterator(collection[key], key, done);
+    }
+
+    function done(err, res) {
+      if (err) {
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(err, objectClone(result));
+        return;
+      }
+      result[key] = res;
+      if (++completed === size) {
+        iterate = throwError;
+        callback(null, result);
+        callback = throwError;
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace mapValuesLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 }
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.mapValuesLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 }
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  function mapValuesLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, index, key, keys, iter, item, iterate;
+    var sync = false;
+    var result = {};
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, result);
+    }
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[index], createCallback(index));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        iterator(collection[index], index, createCallback(index));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, started, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function objectIterator() {
+      index = started++;
+      if (index < size) {
+        key = keys[index];
+        iterator(collection[key], createCallback(key));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      index = started++;
+      if (index < size) {
+        key = keys[index];
+        iterator(collection[key], key, createCallback(key));
+      }
+    }
+
+    function createCallback(key) {
+      return function(err, res) {
+        if (key === null) {
+          throwError();
+        }
+        if (err) {
+          key = null;
+          iterate = noop;
+          callback = once(callback);
+          callback(err, objectClone(result));
+          return;
+        }
+        result[key] = res;
+        key = null;
+        if (++completed === size) {
+          callback(null, result);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   * @param {boolean} bool
+   */
+  function createDetect(arrayEach, baseEach, symbolEach, bool) {
+    return function(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, keys;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null);
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        callback(null);
+      }
+
+      function createCallback(value) {
+        var called = false;
+        return function done(err, res) {
+          if (called) {
+            throwError();
+          }
+          called = true;
+          if (err) {
+            callback = once(callback);
+            callback(err);
+          } else if (!!res === bool) {
+            callback = once(callback);
+            callback(null, value);
+          } else if (++completed === size) {
+            callback(null);
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createDetectSeries(bool) {
+    return function(collection, iterator, callback) {
+      callback = onlyOnce(callback || noop);
+      var size, key, value, keys, iter, item, iterate;
+      var sync = false;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size) {
+        return callback(null);
+      }
+      iterate();
+
+      function arrayIterator() {
+        value = collection[completed];
+        iterator(value, done);
+      }
+
+      function arrayIteratorWithIndex() {
+        value = collection[completed];
+        iterator(value, completed, done);
+      }
+
+      function symbolIterator() {
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null) : iterator(value, done);
+      }
+
+      function symbolIteratorWithKey() {
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null) : iterator(value, completed, done);
+      }
+
+      function objectIterator() {
+        value = collection[keys[completed]];
+        iterator(value, done);
+      }
+
+      function objectIteratorWithKey() {
+        key = keys[completed];
+        value = collection[key];
+        iterator(value, key, done);
+      }
+
+      function done(err, res) {
+        if (err) {
+          callback(err);
+        } else if (!!res === bool) {
+          iterate = throwError;
+          callback(null, value);
+        } else if (++completed === size) {
+          iterate = throwError;
+          callback(null);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createDetectLimit(bool) {
+    return function(collection, limit, iterator, callback) {
+      callback = callback || noop;
+      var size, index, key, value, keys, iter, item, iterate;
+      var sync = false;
+      var started = 0;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size || isNaN(limit) || limit < 1) {
+        return callback(null);
+      }
+      timesSync(limit > size ? size : limit, iterate);
+
+      function arrayIterator() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, createCallback(value));
+        }
+      }
+
+      function arrayIteratorWithIndex() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, index, createCallback(value));
+        }
+      }
+
+      function symbolIterator() {
+        item = iter.next();
+        if (item.done === false) {
+          started++;
+          value = item.value;
+          iterator(value, createCallback(value));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null);
+        }
+      }
+
+      function symbolIteratorWithKey() {
+        item = iter.next();
+        if (item.done === false) {
+          value = item.value;
+          iterator(value, started++, createCallback(value));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null);
+        }
+      }
+
+      function objectIterator() {
+        index = started++;
+        if (index < size) {
+          value = collection[keys[index]];
+          iterator(value, createCallback(value));
+        }
+      }
+
+      function objectIteratorWithKey() {
+        if (started < size) {
+          key = keys[started++];
+          value = collection[key];
+          iterator(value, key, createCallback(value));
+        }
+      }
+
+      function createCallback(value) {
+        var called = false;
+        return function(err, res) {
+          if (called) {
+            throwError();
+          }
+          called = true;
+          if (err) {
+            iterate = noop;
+            callback = once(callback);
+            callback(err);
+          } else if (!!res === bool) {
+            iterate = noop;
+            callback = once(callback);
+            callback(null, value);
+          } else if (++completed === size) {
+            callback(null);
+          } else if (sync) {
+            nextTick(iterate);
+          } else {
+            sync = true;
+            iterate();
+          }
+          sync = false;
+        };
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   * @param {boolean} bool
+   */
+  function createPick(arrayEach, baseEach, symbolEach, bool) {
+    return function(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, keys;
+      var completed = 0;
+      var result = {};
+
+      if (isArray(collection)) {
+        size = collection.length;
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, result);
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        return callback(null, {});
+      }
+
+      function createCallback(key, value) {
+        return function done(err, res) {
+          if (key === null) {
+            throwError();
+          }
+          if (err) {
+            key = null;
+            callback = once(callback);
+            callback(err, objectClone(result));
+            return;
+          }
+          if (!!res === bool) {
+            result[key] = value;
+          }
+          key = null;
+          if (++completed === size) {
+            callback(null, result);
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createPickSeries(bool) {
+    return function(collection, iterator, callback) {
+      callback = onlyOnce(callback || noop);
+      var size, key, value, keys, iter, item, iterate;
+      var sync = false;
+      var result = {};
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size) {
+        return callback(null, {});
+      }
+      iterate();
+
+      function arrayIterator() {
+        key = completed;
+        value = collection[completed];
+        iterator(value, done);
+      }
+
+      function arrayIteratorWithIndex() {
+        key = completed;
+        value = collection[completed];
+        iterator(value, completed, done);
+      }
+
+      function symbolIterator() {
+        key = completed;
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null, result) : iterator(value, done);
+      }
+
+      function symbolIteratorWithKey() {
+        key = completed;
+        item = iter.next();
+        value = item.value;
+        item.done ? callback(null, result) : iterator(value, key, done);
+      }
+
+      function objectIterator() {
+        key = keys[completed];
+        value = collection[key];
+        iterator(value, done);
+      }
+
+      function objectIteratorWithKey() {
+        key = keys[completed];
+        value = collection[key];
+        iterator(value, key, done);
+      }
+
+      function done(err, res) {
+        if (err) {
+          callback(err, result);
+          return;
+        }
+        if (!!res === bool) {
+          result[key] = value;
+        }
+        if (++completed === size) {
+          iterate = throwError;
+          callback(null, result);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {boolean} bool
+   */
+  function createPickLimit(bool) {
+    return function(collection, limit, iterator, callback) {
+      callback = callback || noop;
+      var size, index, key, value, keys, iter, item, iterate;
+      var sync = false;
+      var result = {};
+      var started = 0;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = Infinity;
+        iter = collection[iteratorSymbol]();
+        iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+      }
+      if (!size || isNaN(limit) || limit < 1) {
+        return callback(null, {});
+      }
+      timesSync(limit > size ? size : limit, iterate);
+
+      function arrayIterator() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, createCallback(value, index));
+        }
+      }
+
+      function arrayIteratorWithIndex() {
+        index = started++;
+        if (index < size) {
+          value = collection[index];
+          iterator(value, index, createCallback(value, index));
+        }
+      }
+
+      function symbolIterator() {
+        item = iter.next();
+        if (item.done === false) {
+          value = item.value;
+          iterator(value, createCallback(value, started++));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null, result);
+        }
+      }
+
+      function symbolIteratorWithKey() {
+        item = iter.next();
+        if (item.done === false) {
+          value = item.value;
+          iterator(value, started, createCallback(value, started++));
+        } else if (completed === started && iterator !== noop) {
+          iterator = noop;
+          callback(null, result);
+        }
+      }
+
+      function objectIterator() {
+        if (started < size) {
+          key = keys[started++];
+          value = collection[key];
+          iterator(value, createCallback(value, key));
+        }
+      }
+
+      function objectIteratorWithKey() {
+        if (started < size) {
+          key = keys[started++];
+          value = collection[key];
+          iterator(value, key, createCallback(value, key));
+        }
+      }
+
+      function createCallback(value, key) {
+        return function(err, res) {
+          if (key === null) {
+            throwError();
+          }
+          if (err) {
+            key = null;
+            iterate = noop;
+            callback = once(callback);
+            callback(err, objectClone(result));
+            return;
+          }
+          if (!!res === bool) {
+            result[key] = value;
+          }
+          key = null;
+          if (++completed === size) {
+            iterate = throwError;
+            callback = onlyOnce(callback);
+            callback(null, result);
+          } else if (sync) {
+            nextTick(iterate);
+          } else {
+            sync = true;
+            iterate();
+          }
+          sync = false;
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace reduce
+   * @param {Array|Object} collection
+   * @param {*} result
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduce(collection, 0, iterator, function(err, res) {
+   *   console.log(res); // 10
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduce(collection, '', iterator, function(err, res) {
+   *   console.log(res); // '1324'
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduce(collection, '', iterator, function(err, res) {
+   *   console.log(res); // '1324'
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduce(collection, 0, iterator, function(err, res) {
+   *   console.log(res); // 10
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']]
+   * });
+   *
+   */
+  function reduce(collection, result, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var size, key, keys, iter, item, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, result);
+    }
+    iterate(result);
+
+    function arrayIterator(result) {
+      iterator(result, collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex(result) {
+      iterator(result, collection[completed], completed, done);
+    }
+
+    function symbolIterator(result) {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(result, item.value, done);
+    }
+
+    function symbolIteratorWithKey(result) {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(result, item.value, completed, done);
+    }
+
+    function objectIterator(result) {
+      iterator(result, collection[keys[completed]], done);
+    }
+
+    function objectIteratorWithKey(result) {
+      key = keys[completed];
+      iterator(result, collection[key], key, done);
+    }
+
+    function done(err, result) {
+      if (err) {
+        callback(err, result);
+      } else if (++completed === size) {
+        iterator = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(function() {
+          iterate(result);
+        });
+      } else {
+        sync = true;
+        iterate(result);
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace reduceRight
+   * @param {Array|Object} collection
+   * @param {*} result
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduceRight(collection, 0, iterator, function(err, res) {
+   *   console.log(res); // 10
+   *   console.log(order); // [4, 2, 3, 1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduceRight(collection, '', iterator, function(err, res) {
+   *   console.log(res); // '4231'
+   *   console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduceRight(collection, '', iterator, function(err, res) {
+   *   console.log(res); // '4231'
+   *   console.log(order); // [4, 2, 3, 1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, result + num);
+   *   }, num * 10);
+   * };
+   * async.reduceRight(collection, 0, iterator, function(err, res) {
+   *   console.log(res); // 10
+   *   console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]]
+   * });
+   *
+   */
+  function reduceRight(collection, result, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var resIndex, index, key, keys, iter, item, col, iterate;
+    var sync = false;
+
+    if (isArray(collection)) {
+      resIndex = collection.length;
+      iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      col = [];
+      iter = collection[iteratorSymbol]();
+      index = -1;
+      while ((item = iter.next()).done === false) {
+        col[++index] = item.value;
+      }
+      collection = col;
+      resIndex = col.length;
+      iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      resIndex = keys.length;
+      iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!resIndex) {
+      return callback(null, result);
+    }
+    iterate(result);
+
+    function arrayIterator(result) {
+      iterator(result, collection[--resIndex], done);
+    }
+
+    function arrayIteratorWithIndex(result) {
+      iterator(result, collection[--resIndex], resIndex, done);
+    }
+
+    function objectIterator(result) {
+      iterator(result, collection[keys[--resIndex]], done);
+    }
+
+    function objectIteratorWithKey(result) {
+      key = keys[--resIndex];
+      iterator(result, collection[key], key, done);
+    }
+
+    function done(err, result) {
+      if (err) {
+        callback(err, result);
+      } else if (resIndex === 0) {
+        iterate = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(function() {
+          iterate(result);
+        });
+      } else {
+        sync = true;
+        iterate(result);
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   */
+  function createTransform(arrayEach, baseEach, symbolEach) {
+    return function transform(collection, accumulator, iterator, callback) {
+      if (arguments.length === 3) {
+        callback = iterator;
+        iterator = accumulator;
+        accumulator = undefined;
+      }
+      callback = callback || noop;
+      var size, keys, result;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        result = accumulator !== undefined ? accumulator : [];
+        arrayEach(collection, result, iterator, done);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        result = accumulator !== undefined ? accumulator : {};
+        size = symbolEach(collection, result, iterator, done);
+        size && size === completed && callback(null, result);
+      } else if (typeof collection === obj) {
+        keys = nativeKeys(collection);
+        size = keys.length;
+        result = accumulator !== undefined ? accumulator : {};
+        baseEach(collection, result, iterator, done, keys);
+      }
+      if (!size) {
+        callback(null, accumulator !== undefined ? accumulator : result || {});
+      }
+
+      function done(err, bool) {
+        if (err) {
+          callback = once(callback);
+          callback(err, isArray(result) ? createArray(result) : objectClone(result));
+        } else if (++completed === size) {
+          callback(null, result);
+        } else if (bool === false) {
+          callback = once(callback);
+          callback(null, isArray(result) ? createArray(result) : objectClone(result));
+        }
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace transformSeries
+   * @param {Array|Object} collection
+   * @param {Array|Object|Function} [accumulator]
+   * @param {Function} [iterator]
+   * @param {Function} [callback]
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num)
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformSeries(collection, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2, 4]
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index and accumulator
+   * var order = [];
+   * var collection = [1, 3, 2, 4];
+   * var iterator = function(result, num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     result[index] = num;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformSeries(collection, {}, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 }
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object with accumulator
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformSeries(collection, [], iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2, 4]
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2, d: 4 };
+   * var iterator = function(result, num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     result[key] = num;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformSeries(collection, iterator, function(err, res) {
+   *   console.log(res); //  { a: 1, b: 3, c: 2, d: 4 }
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']]
+   * });
+   *
+   */
+  function transformSeries(collection, accumulator, iterator, callback) {
+    if (arguments.length === 3) {
+      callback = iterator;
+      iterator = accumulator;
+      accumulator = undefined;
+    }
+    callback = onlyOnce(callback || noop);
+    var size, key, keys, iter, item, iterate, result;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      result = accumulator !== undefined ? accumulator : [];
+      iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      result = accumulator !== undefined ? accumulator : {};
+      iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      result = accumulator !== undefined ? accumulator : {};
+      iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, accumulator !== undefined ? accumulator : result || {});
+    }
+    iterate();
+
+    function arrayIterator() {
+      iterator(result, collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex() {
+      iterator(result, collection[completed], completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(result, item.value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(result, item.value, completed, done);
+    }
+
+    function objectIterator() {
+      iterator(result, collection[keys[completed]], done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      iterator(result, collection[key], key, done);
+    }
+
+    function done(err, bool) {
+      if (err) {
+        callback(err, result);
+      } else if (++completed === size || bool === false) {
+        iterate = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace transformLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Array|Object|Function} [accumulator]
+   * @param {Function} [iterator]
+   * @param {Function} [callback]
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index and accumulator
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(result, num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     result[index] = key;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformLimit(array, 2, {}, iterator, function(err, res) {
+   *   console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object with accumulator
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(result, num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     result.push(num);
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformLimit(object, 2, [], iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(result, num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     result[key] = num;
+   *     done();
+   *   }, num * 10);
+   * };
+   * async.transformLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  function transformLimit(collection, limit, accumulator, iterator, callback) {
+    if (arguments.length === 4) {
+      callback = iterator;
+      iterator = accumulator;
+      accumulator = undefined;
+    }
+    callback = callback || noop;
+    var size, index, key, keys, iter, item, iterate, result;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      result = accumulator !== undefined ? accumulator : [];
+      iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      result = accumulator !== undefined ? accumulator : {};
+      iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      result = accumulator !== undefined ? accumulator : {};
+      iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, accumulator !== undefined ? accumulator : result || {});
+    }
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      index = started++;
+      if (index < size) {
+        iterator(result, collection[index], onlyOnce(done));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        iterator(result, collection[index], index, onlyOnce(done));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        started++;
+        iterator(result, item.value, onlyOnce(done));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(result, item.value, started++, onlyOnce(done));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function objectIterator() {
+      index = started++;
+      if (index < size) {
+        iterator(result, collection[keys[index]], onlyOnce(done));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      index = started++;
+      if (index < size) {
+        key = keys[index];
+        iterator(result, collection[key], key, onlyOnce(done));
+      }
+    }
+
+    function done(err, bool) {
+      if (err || bool === false) {
+        iterate = noop;
+        callback(err || null, isArray(result) ? createArray(result) : objectClone(result));
+        callback = noop;
+      } else if (++completed === size) {
+        iterator = noop;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @private
+   * @param {function} arrayEach
+   * @param {function} baseEach
+   * @param {function} symbolEach
+   */
+  function createSortBy(arrayEach, baseEach, symbolEach) {
+    return function sortBy(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, array, criteria;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        array = Array(size);
+        criteria = Array(size);
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        array = [];
+        criteria = [];
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, sortByCriteria(array, criteria));
+      } else if (typeof collection === obj) {
+        var keys = nativeKeys(collection);
+        size = keys.length;
+        array = Array(size);
+        criteria = Array(size);
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        callback(null, []);
+      }
+
+      function createCallback(index, value) {
+        var called = false;
+        array[index] = value;
+        return function done(err, criterion) {
+          if (called) {
+            throwError();
+          }
+          called = true;
+          criteria[index] = criterion;
+          if (err) {
+            callback = once(callback);
+            callback(err);
+          } else if (++completed === size) {
+            callback(null, sortByCriteria(array, criteria));
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace sortBySeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBySeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBySeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBySeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortBySeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3]
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  function sortBySeries(collection, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var size, key, value, keys, iter, item, array, criteria, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      array = collection;
+      criteria = Array(size);
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      array = [];
+      criteria = [];
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      array = Array(size);
+      criteria = Array(size);
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, []);
+    }
+    iterate();
+
+    function arrayIterator() {
+      value = collection[completed];
+      iterator(value, done);
+    }
+
+    function arrayIteratorWithIndex() {
+      value = collection[completed];
+      iterator(value, completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done) {
+        return callback(null, sortByCriteria(array, criteria));
+      }
+      value = item.value;
+      array[completed] = value;
+      iterator(value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done) {
+        return callback(null, sortByCriteria(array, criteria));
+      }
+      value = item.value;
+      array[completed] = value;
+      iterator(value, completed, done);
+    }
+
+    function objectIterator() {
+      value = collection[keys[completed]];
+      array[completed] = value;
+      iterator(value, done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      value = collection[key];
+      array[completed] = value;
+      iterator(value, key, done);
+    }
+
+    function done(err, criterion) {
+      criteria[completed] = criterion;
+      if (err) {
+        callback(err);
+      } else if (++completed === size) {
+        iterate = throwError;
+        callback(null, sortByCriteria(array, criteria));
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace sortByLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortByLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4, 5]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortByLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4, 5]
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortByLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4, 5]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.sortByLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4, 5]
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  function sortByLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, index, key, value, array, keys, iter, item, criteria, iterate;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      array = collection;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      array = [];
+      criteria = [];
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      array = Array(size);
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, []);
+    }
+    criteria = criteria || Array(size);
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      if (started < size) {
+        value = collection[started];
+        iterator(value, createCallback(value, started++));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        value = collection[index];
+        iterator(value, index, createCallback(value, index));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        value = item.value;
+        array[started] = value;
+        iterator(value, createCallback(value, started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, sortByCriteria(array, criteria));
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        value = item.value;
+        array[started] = value;
+        iterator(value, started, createCallback(value, started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, sortByCriteria(array, criteria));
+      }
+    }
+
+    function objectIterator() {
+      if (started < size) {
+        value = collection[keys[started]];
+        array[started] = value;
+        iterator(value, createCallback(value, started++));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      if (started < size) {
+        key = keys[started];
+        value = collection[key];
+        array[started] = value;
+        iterator(value, key, createCallback(value, started++));
+      }
+    }
+
+    function createCallback(value, index) {
+      var called = false;
+      return function(err, criterion) {
+        if (called) {
+          throwError();
+        }
+        called = true;
+        criteria[index] = criterion;
+        if (err) {
+          iterate = noop;
+          callback(err);
+          callback = noop;
+        } else if (++completed === size) {
+          callback(null, sortByCriteria(array, criteria));
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace some
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.some(array, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.some(array, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.some(object, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.some(object, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  function some(collection, iterator, callback) {
+    callback = callback || noop;
+    detect(collection, iterator, done);
+
+    function done(err, res) {
+      if (err) {
+        return callback(err);
+      }
+      callback(null, !!res);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace someSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someSeries(array, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someSeries(array, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someSeries(object, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someSeries(object, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  function someSeries(collection, iterator, callback) {
+    callback = callback || noop;
+    detectSeries(collection, iterator, done);
+
+    function done(err, res) {
+      if (err) {
+        return callback(err);
+      }
+      callback(null, !!res);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace someLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 0]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num % 2);
+   *   }, num * 10);
+   * };
+   * async.someLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // true
+   *   console.log(order); // [[1, 'a']]
+   * });
+   *
+   */
+  function someLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    detectLimit(collection, limit, iterator, done);
+
+    function done(err, res) {
+      if (err) {
+        return callback(err);
+      }
+      callback(null, !!res);
+    }
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   */
+  function createEvery(arrayEach, baseEach, symbolEach) {
+    var deny = createDetect(arrayEach, baseEach, symbolEach, false);
+
+    return function every(collection, iterator, callback) {
+      callback = callback || noop;
+      deny(collection, iterator, done);
+
+      function done(err, res) {
+        if (err) {
+          return callback(err);
+        }
+        callback(null, !res);
+      }
+    };
+  }
+
+  /**
+   * @private
+   */
+  function createEverySeries() {
+    var denySeries = createDetectSeries(false);
+
+    return function everySeries(collection, iterator, callback) {
+      callback = callback || noop;
+      denySeries(collection, iterator, done);
+
+      function done(err, res) {
+        if (err) {
+          return callback(err);
+        }
+        callback(null, !res);
+      }
+    };
+  }
+
+  /**
+   * @private
+   */
+  function createEveryLimit() {
+    var denyLimit = createDetectLimit(false);
+
+    return function everyLimit(collection, limit, iterator, callback) {
+      callback = callback || noop;
+      denyLimit(collection, limit, iterator, done);
+
+      function done(err, res) {
+        if (err) {
+          return callback(err);
+        }
+        callback(null, !res);
+      }
+    };
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   */
+  function createConcat(arrayEach, baseEach, symbolEach) {
+    return function concat(collection, iterator, callback) {
+      callback = callback || noop;
+      var size, result;
+      var completed = 0;
+
+      if (isArray(collection)) {
+        size = collection.length;
+        result = Array(size);
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        result = [];
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, result);
+      } else if (typeof collection === obj) {
+        var keys = nativeKeys(collection);
+        size = keys.length;
+        result = Array(size);
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        callback(null, []);
+      }
+
+      function createCallback(index) {
+        return function done(err, res) {
+          if (index === null) {
+            throwError();
+          }
+          if (err) {
+            index = null;
+            callback = once(callback);
+            arrayEachSync(result, function(array, index) {
+              if (array === undefined) {
+                result[index] = noop;
+              }
+            });
+            callback(err, makeConcatResult(result));
+            return;
+          }
+          switch (arguments.length) {
+            case 0:
+            case 1:
+              result[index] = noop;
+              break;
+            case 2:
+              result[index] = res;
+              break;
+            default:
+              result[index] = slice(arguments, 1);
+              break;
+          }
+          index = null;
+          if (++completed === size) {
+            callback(null, makeConcatResult(result));
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace concatSeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2];
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 3, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatSeries(array, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 0], [3, 1], [2, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [1, 3, 2]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 3, c: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatSeries(object, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 2]
+   *   console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
+   * });
+   *
+   */
+  function concatSeries(collection, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var size, key, keys, iter, item, iterate;
+    var sync = false;
+    var result = [];
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, result);
+    }
+    iterate();
+
+    function arrayIterator() {
+      iterator(collection[completed], done);
+    }
+
+    function arrayIteratorWithIndex() {
+      iterator(collection[completed], completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      item.done ? callback(null, result) : iterator(item.value, completed, done);
+    }
+
+    function objectIterator() {
+      iterator(collection[keys[completed]], done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      iterator(collection[key], key, done);
+    }
+
+    function done(err, array) {
+      if (isArray(array)) {
+        nativePush.apply(result, array);
+      } else if (arguments.length >= 2) {
+        nativePush.apply(result, slice(arguments, 1));
+      }
+      if (err) {
+        callback(err, result);
+      } else if (++completed === size) {
+        iterate = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace concatLimit
+   * @param {Array|Object} collection
+   * @param {number} limit - limit >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1, 5, 3, 4, 2];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.cocnatLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, [num]);
+   *   }, num * 10);
+   * };
+   * async.concatLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [1, 3, 5, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, num);
+   *   }, num * 10);
+   * };
+   * async.cocnatLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // [1, 3, 5, 2, 4]
+   *   console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
+   * });
+   *
+   */
+  function concatLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, key, iter, item, iterate, result;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      result = [];
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      var keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, []);
+    }
+    result = result || Array(size);
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      if (started < size) {
+        iterator(collection[started], createCallback(started++));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      if (started < size) {
+        iterator(collection[started], started, createCallback(started++));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, makeConcatResult(result));
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        iterator(item.value, started, createCallback(started++));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, makeConcatResult(result));
+      }
+    }
+
+    function objectIterator() {
+      if (started < size) {
+        iterator(collection[keys[started]], createCallback(started++));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      if (started < size) {
+        key = keys[started];
+        iterator(collection[key], key, createCallback(started++));
+      }
+    }
+
+    function createCallback(index) {
+      return function(err, res) {
+        if (index === null) {
+          throwError();
+        }
+        if (err) {
+          index = null;
+          iterate = noop;
+          callback = once(callback);
+          arrayEachSync(result, function(array, index) {
+            if (array === undefined) {
+              result[index] = noop;
+            }
+          });
+          callback(err, makeConcatResult(result));
+          return;
+        }
+        switch (arguments.length) {
+          case 0:
+          case 1:
+            result[index] = noop;
+            break;
+          case 2:
+            result[index] = res;
+            break;
+          default:
+            result[index] = slice(arguments, 1);
+            break;
+        }
+        index = null;
+        if (++completed === size) {
+          iterate = throwError;
+          callback(null, makeConcatResult(result));
+          callback = throwError;
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   * @param {Function} symbolEach
+   */
+  function createGroupBy(arrayEach, baseEach, symbolEach) {
+    return function groupBy(collection, iterator, callback) {
+      callback = callback || noop;
+      var size;
+      var completed = 0;
+      var result = {};
+
+      if (isArray(collection)) {
+        size = collection.length;
+        arrayEach(collection, iterator, createCallback);
+      } else if (!collection) {
+      } else if (iteratorSymbol && collection[iteratorSymbol]) {
+        size = symbolEach(collection, iterator, createCallback);
+        size && size === completed && callback(null, result);
+      } else if (typeof collection === obj) {
+        var keys = nativeKeys(collection);
+        size = keys.length;
+        baseEach(collection, iterator, createCallback, keys);
+      }
+      if (!size) {
+        callback(null, {});
+      }
+
+      function createCallback(value) {
+        var called = false;
+        return function done(err, key) {
+          if (called) {
+            throwError();
+          }
+          called = true;
+          if (err) {
+            callback = once(callback);
+            callback(err, objectClone(result));
+            return;
+          }
+          var array = result[key];
+          if (!array) {
+            result[key] = [value];
+          } else {
+            array.push(value);
+          }
+          if (++completed === size) {
+            callback(null, result);
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace groupBySeries
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [4.2, 6.4, 6.1];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBySeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
+   *   console.log(order); // [4.2, 6.4, 6.1]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [4.2, 6.4, 6.1];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBySeries(array, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
+   *   console.log(order); // [[4.2, 0], [6.4, 1], [6.1, 2]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 4.2, b: 6.4, c: 6.1 };
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBySeries(object, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
+   *   console.log(order); // [4.2, 6.4, 6.1]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 4.2, b: 6.4, c: 6.1 };
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupBySeries(object, iterator, function(err, res) {
+   *   console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
+   *   console.log(order); // [[4.2, 'a'], [6.4, 'b'], [6.1, 'c']]
+   * });
+   *
+   */
+  function groupBySeries(collection, iterator, callback) {
+    callback = onlyOnce(callback || noop);
+    var size, key, value, keys, iter, item, iterate;
+    var sync = false;
+    var completed = 0;
+    var result = {};
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size) {
+      return callback(null, result);
+    }
+    iterate();
+
+    function arrayIterator() {
+      value = collection[completed];
+      iterator(value, done);
+    }
+
+    function arrayIteratorWithIndex() {
+      value = collection[completed];
+      iterator(value, completed, done);
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      value = item.value;
+      item.done ? callback(null, result) : iterator(value, done);
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      value = item.value;
+      item.done ? callback(null, result) : iterator(value, completed, done);
+    }
+
+    function objectIterator() {
+      value = collection[keys[completed]];
+      iterator(value, done);
+    }
+
+    function objectIteratorWithKey() {
+      key = keys[completed];
+      value = collection[key];
+      iterator(value, key, done);
+    }
+
+    function done(err, key) {
+      if (err) {
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(err, objectClone(result));
+        return;
+      }
+      var array = result[key];
+      if (!array) {
+        result[key] = [value];
+      } else {
+        array.push(value);
+      }
+      if (++completed === size) {
+        iterate = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace groupByLimit
+   * @param {Array|Object} collection
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var order = [];
+   * var array = [1.1, 5.9, 3.2, 3.9, 2.1];
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupByLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
+   *   console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9]
+   * });
+   *
+   * @example
+   *
+   * // array with index
+   * var order = [];
+   * var array = [1.1, 5.9, 3.2, 3.9, 2.1];
+   * var iterator = function(num, index, done) {
+   *   setTimeout(function() {
+   *     order.push([num, index]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupByLimit(array, 2, iterator, function(err, res) {
+   *   console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
+   *   console.log(order); // [[1.1, 0], [3.2, 2], [5.9, 1], [2.1, 4], [3.9, 3]]
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var order = [];
+   * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 }
+   * var iterator = function(num, done) {
+   *   setTimeout(function() {
+   *     order.push(num);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupByLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
+   *   console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9]
+   * });
+   *
+   * @example
+   *
+   * // object with key
+   * var order = [];
+   * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 }
+   * var iterator = function(num, key, done) {
+   *   setTimeout(function() {
+   *     order.push([num, key]);
+   *     done(null, Math.floor(num));
+   *   }, num * 10);
+   * };
+   * async.groupByLimit(object, 2, iterator, function(err, res) {
+   *   console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
+   *   console.log(order); // [[1.1, 'a'], [3.2, 'c'], [5.9, 'b'], [2.1, 'e'], [3.9, 'd']]
+   * });
+   *
+   */
+  function groupByLimit(collection, limit, iterator, callback) {
+    callback = callback || noop;
+    var size, index, key, value, keys, iter, item, iterate;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+    var result = {};
+
+    if (isArray(collection)) {
+      size = collection.length;
+      iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
+    } else if (!collection) {
+    } else if (iteratorSymbol && collection[iteratorSymbol]) {
+      size = Infinity;
+      iter = collection[iteratorSymbol]();
+      iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
+    } else if (typeof collection === obj) {
+      keys = nativeKeys(collection);
+      size = keys.length;
+      iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, result);
+    }
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      if (started < size) {
+        value = collection[started++];
+        iterator(value, createCallback(value));
+      }
+    }
+
+    function arrayIteratorWithIndex() {
+      index = started++;
+      if (index < size) {
+        value = collection[index];
+        iterator(value, index, createCallback(value));
+      }
+    }
+
+    function symbolIterator() {
+      item = iter.next();
+      if (item.done === false) {
+        started++;
+        value = item.value;
+        iterator(value, createCallback(value));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function symbolIteratorWithKey() {
+      item = iter.next();
+      if (item.done === false) {
+        value = item.value;
+        iterator(value, started++, createCallback(value));
+      } else if (completed === started && iterator !== noop) {
+        iterator = noop;
+        callback(null, result);
+      }
+    }
+
+    function objectIterator() {
+      if (started < size) {
+        value = collection[keys[started++]];
+        iterator(value, createCallback(value));
+      }
+    }
+
+    function objectIteratorWithKey() {
+      if (started < size) {
+        key = keys[started++];
+        value = collection[key];
+        iterator(value, key, createCallback(value));
+      }
+    }
+
+    function createCallback(value) {
+      var called = false;
+      return function(err, key) {
+        if (called) {
+          throwError();
+        }
+        called = true;
+        if (err) {
+          iterate = noop;
+          callback = once(callback);
+          callback(err, objectClone(result));
+          return;
+        }
+        var array = result[key];
+        if (!array) {
+          result[key] = [value];
+        } else {
+          array.push(value);
+        }
+        if (++completed === size) {
+          callback(null, result);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @private
+   * @param {Function} arrayEach
+   * @param {Function} baseEach
+   */
+  function createParallel(arrayEach, baseEach) {
+    return function parallel(tasks, callback) {
+      callback = callback || noop;
+      var size, keys, result;
+      var completed = 0;
+
+      if (isArray(tasks)) {
+        size = tasks.length;
+        result = Array(size);
+        arrayEach(tasks, createCallback);
+      } else if (tasks && typeof tasks === obj) {
+        keys = nativeKeys(tasks);
+        size = keys.length;
+        result = {};
+        baseEach(tasks, createCallback, keys);
+      }
+      if (!size) {
+        callback(null, result);
+      }
+
+      function createCallback(key) {
+        return function(err, res) {
+          if (key === null) {
+            throwError();
+          }
+          if (err) {
+            key = null;
+            callback = once(callback);
+            callback(err, result);
+            return;
+          }
+          result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
+          key = null;
+          if (++completed === size) {
+            callback(null, result);
+          }
+        };
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace series
+   * @param {Array|Object} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * var order = [];
+   * var tasks = [
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(1);
+   *      done(null, 1);
+   *    }, 10);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(2);
+   *      done(null, 2);
+   *    }, 30);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(3);
+   *      done(null, 3);
+   *    }, 40);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(4);
+   *      done(null, 4);
+   *    }, 20);
+   *  }
+   * ];
+   * async.series(tasks, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4];
+   *   console.log(order); // [1, 2, 3, 4]
+   * });
+   *
+   * @example
+   *
+   * var order = [];
+   * var tasks = {
+   *   'a': function(done) {
+   *     setTimeout(function() {
+   *       order.push(1);
+   *       done(null, 1);
+   *     }, 10);
+   *   },
+   *   'b': function(done) {
+   *     setTimeout(function() {
+   *       order.push(2);
+   *       done(null, 2);
+   *     }, 30);
+   *   },
+   *   'c': function(done) {
+   *     setTimeout(function() {
+   *       order.push(3);
+   *       done(null, 3);
+   *     }, 40);
+   *   },
+   *   'd': function(done) {
+   *     setTimeout(function() {
+   *       order.push(4);
+   *       done(null, 4);
+   *     }, 20);
+   *   }
+   * };
+   * async.series(tasks, function(err, res) {
+   *   console.log(res); // { a: 1, b: 2, c: 3, d:4 }
+   *   console.log(order); // [1, 4, 2, 3]
+   * });
+   *
+   */
+  function series(tasks, callback) {
+    callback = callback || noop;
+    var size, key, keys, result, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(tasks)) {
+      size = tasks.length;
+      result = Array(size);
+      iterate = arrayIterator;
+    } else if (tasks && typeof tasks === obj) {
+      keys = nativeKeys(tasks);
+      size = keys.length;
+      result = {};
+      iterate = objectIterator;
+    } else {
+      return callback(null);
+    }
+    if (!size) {
+      return callback(null, result);
+    }
+    iterate();
+
+    function arrayIterator() {
+      key = completed;
+      tasks[completed](done);
+    }
+
+    function objectIterator() {
+      key = keys[completed];
+      tasks[key](done);
+    }
+
+    function done(err, res) {
+      if (err) {
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(err, result);
+        return;
+      }
+      result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
+      if (++completed === size) {
+        iterate = throwError;
+        callback(null, result);
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace parallelLimit
+   * @param {Array|Object} tasks - functions
+   * @param {number} limit - limit >= 1
+   * @param {Function} callback
+   * @example
+   *
+   * var order = [];
+   * var tasks = [
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(1);
+   *      done(null, 1);
+   *    }, 10);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(2);
+   *      done(null, 2);
+   *    }, 50);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(3);
+   *      done(null, 3);
+   *    }, 30);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      order.push(4);
+   *      done(null, 4);
+   *    }, 40);
+   *  }
+   * ];
+   * async.parallelLimit(tasks, 2, function(err, res) {
+   *   console.log(res); // [1, 2, 3, 4];
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   * @example
+   *
+   * var order = [];
+   * var tasks = {
+   *   'a': function(done) {
+   *     setTimeout(function() {
+   *       order.push(1);
+   *       done(null, 1);
+   *     }, 10);
+   *   },
+   *   'b': function(done) {
+   *     setTimeout(function() {
+   *       order.push(2);
+   *       done(null, 2);
+   *     }, 50);
+   *   },
+   *   'c': function(done) {
+   *     setTimeout(function() {
+   *       order.push(3);
+   *       done(null, 3);
+   *     }, 20);
+   *   },
+   *   'd': function(done) {
+   *     setTimeout(function() {
+   *       order.push(4);
+   *       done(null, 4);
+   *     }, 40);
+   *   }
+   * };
+   * async.parallelLimit(tasks, 2, function(err, res) {
+   *   console.log(res); // { a: 1, b: 2, c: 3, d:4 }
+   *   console.log(order); // [1, 3, 2, 4]
+   * });
+   *
+   */
+  function parallelLimit(tasks, limit, callback) {
+    callback = callback || noop;
+    var size, index, key, keys, result, iterate;
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+
+    if (isArray(tasks)) {
+      size = tasks.length;
+      result = Array(size);
+      iterate = arrayIterator;
+    } else if (tasks && typeof tasks === obj) {
+      keys = nativeKeys(tasks);
+      size = keys.length;
+      result = {};
+      iterate = objectIterator;
+    }
+    if (!size || isNaN(limit) || limit < 1) {
+      return callback(null, result);
+    }
+    timesSync(limit > size ? size : limit, iterate);
+
+    function arrayIterator() {
+      index = started++;
+      if (index < size) {
+        tasks[index](createCallback(index));
+      }
+    }
+
+    function objectIterator() {
+      if (started < size) {
+        key = keys[started++];
+        tasks[key](createCallback(key));
+      }
+    }
+
+    function createCallback(key) {
+      return function(err, res) {
+        if (key === null) {
+          throwError();
+        }
+        if (err) {
+          key = null;
+          iterate = noop;
+          callback = once(callback);
+          callback(err, result);
+          return;
+        }
+        result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
+        key = null;
+        if (++completed === size) {
+          callback(null, result);
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace tryEach
+   * @param {Array|Object} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * var tasks = [
+   *  function(done) {
+   *    setTimeout(function() {
+   *      done(new Error('error'));
+   *    }, 10);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      done(null, 2);
+   *    }, 10);
+   *  }
+   * ];
+   * async.tryEach(tasks, function(err, res) {
+   *   console.log(res); // 2
+   * });
+   *
+   * @example
+   *
+   * var tasks = [
+   *  function(done) {
+   *    setTimeout(function() {
+   *      done(new Error('error1'));
+   *    }, 10);
+   *  },
+   *  function(done) {
+   *    setTimeout(function() {
+   *      done(new Error('error2');
+   *    }, 10);
+   *  }
+   * ];
+   * async.tryEach(tasks, function(err, res) {
+   *   console.log(err); // error2
+   *   console.log(res); // undefined
+   * });
+   *
+   */
+  function tryEach(tasks, callback) {
+    callback = callback || noop;
+    var size, keys, iterate;
+    var sync = false;
+    var completed = 0;
+
+    if (isArray(tasks)) {
+      size = tasks.length;
+      iterate = arrayIterator;
+    } else if (tasks && typeof tasks === obj) {
+      keys = nativeKeys(tasks);
+      size = keys.length;
+      iterate = objectIterator;
+    }
+    if (!size) {
+      return callback(null);
+    }
+    iterate();
+
+    function arrayIterator() {
+      tasks[completed](done);
+    }
+
+    function objectIterator() {
+      tasks[keys[completed]](done);
+    }
+
+    function done(err, res) {
+      if (!err) {
+        if (arguments.length <= 2) {
+          callback(null, res);
+        } else {
+          callback(null, slice(arguments, 1));
+        }
+      } else if (++completed === size) {
+        callback(err);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * check for waterfall tasks
+   * @private
+   * @param {Array} tasks
+   * @param {Function} callback
+   * @return {boolean}
+   */
+  function checkWaterfallTasks(tasks, callback) {
+    if (!isArray(tasks)) {
+      callback(new Error('First argument to waterfall must be an array of functions'));
+      return false;
+    }
+    if (tasks.length === 0) {
+      callback(null);
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * check for waterfall tasks
+   * @private
+   * @param {function} func
+   * @param {Array|Object} args - arguments
+   * @return {function} next
+   */
+  function waterfallIterator(func, args, next) {
+    switch (args.length) {
+      case 0:
+      case 1:
+        return func(next);
+      case 2:
+        return func(args[1], next);
+      case 3:
+        return func(args[1], args[2], next);
+      case 4:
+        return func(args[1], args[2], args[3], next);
+      case 5:
+        return func(args[1], args[2], args[3], args[4], next);
+      case 6:
+        return func(args[1], args[2], args[3], args[4], args[5], next);
+      default:
+        args = slice(args, 1);
+        args.push(next);
+        return func.apply(null, args);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace waterfall
+   * @param {Array} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * var order = [];
+   * var tasks = [
+   *   function(next) {
+   *     setTimeout(function() {
+   *       order.push(1);
+   *       next(null, 1);
+   *     }, 10);
+   *   },
+   *   function(arg1, next) {
+   *     setTimeout(function() {
+   *       order.push(2);
+   *       next(null, 1, 2);
+   *     }, 30);
+   *   },
+   *   function(arg1, arg2, next) {
+   *     setTimeout(function() {
+   *       order.push(3);
+   *       next(null, 3);
+   *     }, 20);
+   *   },
+   *   function(arg1, next) {
+   *     setTimeout(function() {
+   *       order.push(4);
+   *       next(null, 1, 2, 3, 4);
+   *     }, 40);
+   *   }
+   * ];
+   * async.waterfall(tasks, function(err, arg1, arg2, arg3, arg4) {
+   *   console.log(arg1, arg2, arg3, arg4); // 1 2 3 4
+   * });
+   *
+   */
+  function waterfall(tasks, callback) {
+    callback = callback || noop;
+    if (!checkWaterfallTasks(tasks, callback)) {
+      return;
+    }
+    var func, args, done, sync;
+    var completed = 0;
+    var size = tasks.length;
+    waterfallIterator(tasks[0], [], createCallback(0));
+
+    function iterate() {
+      waterfallIterator(func, args, createCallback(func));
+    }
+
+    function createCallback(index) {
+      return function next(err, res) {
+        if (index === undefined) {
+          callback = noop;
+          throwError();
+        }
+        index = undefined;
+        if (err) {
+          done = callback;
+          callback = throwError;
+          done(err);
+          return;
+        }
+        if (++completed === size) {
+          done = callback;
+          callback = throwError;
+          if (arguments.length <= 2) {
+            done(err, res);
+          } else {
+            done.apply(null, createArray(arguments));
+          }
+          return;
+        }
+        if (sync) {
+          args = arguments;
+          func = tasks[completed] || throwError;
+          nextTick(iterate);
+        } else {
+          sync = true;
+          waterfallIterator(tasks[completed] || throwError, arguments, createCallback(completed));
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * `angelFall` is like `waterfall` and inject callback to last argument of next task.
+   *
+   * @memberof async
+   * @namespace angelFall
+   * @param {Array} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * var order = [];
+   * var tasks = [
+   *   function(next) {
+   *     setTimeout(function() {
+   *       order.push(1);
+   *       next(null, 1);
+   *     }, 10);
+   *   },
+   *   function(arg1, empty, next) {
+   *     setTimeout(function() {
+   *       order.push(2);
+   *       next(null, 1, 2);
+   *     }, 30);
+   *   },
+   *   function(next) {
+   *     setTimeout(function() {
+   *       order.push(3);
+   *       next(null, 3);
+   *     }, 20);
+   *   },
+   *   function(arg1, empty1, empty2, empty3, next) {
+   *     setTimeout(function() {
+   *       order.push(4);
+   *       next(null, 1, 2, 3, 4);
+   *     }, 40);
+   *   }
+   * ];
+   * async.angelFall(tasks, function(err, arg1, arg2, arg3, arg4) {
+   *   console.log(arg1, arg2, arg3, arg4); // 1 2 3 4
+   * });
+   *
+   */
+  function angelFall(tasks, callback) {
+    callback = callback || noop;
+    if (!checkWaterfallTasks(tasks, callback)) {
+      return;
+    }
+    var completed = 0;
+    var sync = false;
+    var size = tasks.length;
+    var func = tasks[completed];
+    var args = [];
+    var iterate = function() {
+      switch (func.length) {
+        case 0:
+          try {
+            next(null, func());
+          } catch (e) {
+            next(e);
+          }
+          return;
+        case 1:
+          return func(next);
+        case 2:
+          return func(args[1], next);
+        case 3:
+          return func(args[1], args[2], next);
+        case 4:
+          return func(args[1], args[2], args[3], next);
+        case 5:
+          return func(args[1], args[2], args[3], args[4], next);
+        default:
+          args = slice(args, 1);
+          args[func.length - 1] = next;
+          return func.apply(null, args);
+      }
+    };
+    iterate();
+
+    function next(err, res) {
+      if (err) {
+        iterate = throwError;
+        callback = onlyOnce(callback);
+        callback(err);
+        return;
+      }
+      if (++completed === size) {
+        iterate = throwError;
+        var done = callback;
+        callback = throwError;
+        if (arguments.length === 2) {
+          done(err, res);
+        } else {
+          done.apply(null, createArray(arguments));
+        }
+        return;
+      }
+      func = tasks[completed];
+      args = arguments;
+      if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace whilst
+   * @param {Function} test
+   * @param {Function} iterator
+   * @param {Function} callback
+   */
+  function whilst(test, iterator, callback) {
+    callback = callback || noop;
+    var sync = false;
+    if (test()) {
+      iterate();
+    } else {
+      callback(null);
+    }
+
+    function iterate() {
+      if (sync) {
+        nextTick(next);
+      } else {
+        sync = true;
+        iterator(done);
+      }
+      sync = false;
+    }
+
+    function next() {
+      iterator(done);
+    }
+
+    function done(err, arg) {
+      if (err) {
+        return callback(err);
+      }
+      if (arguments.length <= 2) {
+        if (test(arg)) {
+          iterate();
+        } else {
+          callback(null, arg);
+        }
+        return;
+      }
+      arg = slice(arguments, 1);
+      if (test.apply(null, arg)) {
+        iterate();
+      } else {
+        callback.apply(null, [null].concat(arg));
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace doWhilst
+   * @param {Function} iterator
+   * @param {Function} test
+   * @param {Function} callback
+   */
+  function doWhilst(iterator, test, callback) {
+    callback = callback || noop;
+    var sync = false;
+    next();
+
+    function iterate() {
+      if (sync) {
+        nextTick(next);
+      } else {
+        sync = true;
+        iterator(done);
+      }
+      sync = false;
+    }
+
+    function next() {
+      iterator(done);
+    }
+
+    function done(err, arg) {
+      if (err) {
+        return callback(err);
+      }
+      if (arguments.length <= 2) {
+        if (test(arg)) {
+          iterate();
+        } else {
+          callback(null, arg);
+        }
+        return;
+      }
+      arg = slice(arguments, 1);
+      if (test.apply(null, arg)) {
+        iterate();
+      } else {
+        callback.apply(null, [null].concat(arg));
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace until
+   * @param {Function} test
+   * @param {Function} iterator
+   * @param {Function} callback
+   */
+  function until(test, iterator, callback) {
+    callback = callback || noop;
+    var sync = false;
+    if (!test()) {
+      iterate();
+    } else {
+      callback(null);
+    }
+
+    function iterate() {
+      if (sync) {
+        nextTick(next);
+      } else {
+        sync = true;
+        iterator(done);
+      }
+      sync = false;
+    }
+
+    function next() {
+      iterator(done);
+    }
+
+    function done(err, arg) {
+      if (err) {
+        return callback(err);
+      }
+      if (arguments.length <= 2) {
+        if (!test(arg)) {
+          iterate();
+        } else {
+          callback(null, arg);
+        }
+        return;
+      }
+      arg = slice(arguments, 1);
+      if (!test.apply(null, arg)) {
+        iterate();
+      } else {
+        callback.apply(null, [null].concat(arg));
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace doUntil
+   * @param {Function} iterator
+   * @param {Function} test
+   * @param {Function} callback
+   */
+  function doUntil(iterator, test, callback) {
+    callback = callback || noop;
+    var sync = false;
+    next();
+
+    function iterate() {
+      if (sync) {
+        nextTick(next);
+      } else {
+        sync = true;
+        iterator(done);
+      }
+      sync = false;
+    }
+
+    function next() {
+      iterator(done);
+    }
+
+    function done(err, arg) {
+      if (err) {
+        return callback(err);
+      }
+      if (arguments.length <= 2) {
+        if (!test(arg)) {
+          iterate();
+        } else {
+          callback(null, arg);
+        }
+        return;
+      }
+      arg = slice(arguments, 1);
+      if (!test.apply(null, arg)) {
+        iterate();
+      } else {
+        callback.apply(null, [null].concat(arg));
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace during
+   * @param {Function} test
+   * @param {Function} iterator
+   * @param {Function} callback
+   */
+  function during(test, iterator, callback) {
+    callback = callback || noop;
+    _test();
+
+    function _test() {
+      test(iterate);
+    }
+
+    function iterate(err, truth) {
+      if (err) {
+        return callback(err);
+      }
+      if (truth) {
+        iterator(done);
+      } else {
+        callback(null);
+      }
+    }
+
+    function done(err) {
+      if (err) {
+        return callback(err);
+      }
+      _test();
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace doDuring
+   * @param {Function} test
+   * @param {Function} iterator
+   * @param {Function} callback
+   */
+  function doDuring(iterator, test, callback) {
+    callback = callback || noop;
+    iterate(null, true);
+
+    function iterate(err, truth) {
+      if (err) {
+        return callback(err);
+      }
+      if (truth) {
+        iterator(done);
+      } else {
+        callback(null);
+      }
+    }
+
+    function done(err, res) {
+      if (err) {
+        return callback(err);
+      }
+      switch (arguments.length) {
+        case 0:
+        case 1:
+          test(iterate);
+          break;
+        case 2:
+          test(res, iterate);
+          break;
+        default:
+          var args = slice(arguments, 1);
+          args.push(iterate);
+          test.apply(null, args);
+          break;
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace forever
+   */
+  function forever(iterator, callback) {
+    var sync = false;
+    iterate();
+
+    function iterate() {
+      iterator(next);
+    }
+
+    function next(err) {
+      if (err) {
+        if (callback) {
+          return callback(err);
+        }
+        throw err;
+      }
+      if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace compose
+   */
+  function compose() {
+    return seq.apply(null, reverse(arguments));
+  }
+
+  /**
+   * @memberof async
+   * @namespace seq
+   */
+  function seq(/* functions... */) {
+    var fns = createArray(arguments);
+
+    return function() {
+      var self = this;
+      var args = createArray(arguments);
+      var callback = args[args.length - 1];
+      if (typeof callback === func) {
+        args.pop();
+      } else {
+        callback = noop;
+      }
+      reduce(fns, args, iterator, done);
+
+      function iterator(newargs, fn, callback) {
+        var func = function(err) {
+          var nextargs = slice(arguments, 1);
+          callback(err, nextargs);
+        };
+        newargs.push(func);
+        fn.apply(self, newargs);
+      }
+
+      function done(err, res) {
+        res = isArray(res) ? res : [res];
+        res.unshift(err);
+        callback.apply(self, res);
+      }
+    };
+  }
+
+  function createApplyEach(func) {
+    return function applyEach(fns /* arguments */) {
+      var go = function() {
+        var self = this;
+        var args = createArray(arguments);
+        var callback = args.pop() || noop;
+        return func(fns, iterator, callback);
+
+        function iterator(fn, done) {
+          fn.apply(self, args.concat([done]));
+        }
+      };
+      if (arguments.length > 1) {
+        var args = slice(arguments, 1);
+        return go.apply(this, args);
+      } else {
+        return go;
+      }
+    };
+  }
+
+  /**
+   * @see https://github.com/caolan/async/blob/master/lib/internal/DoublyLinkedList.js
+   */
+  function DLL() {
+    this.head = null;
+    this.tail = null;
+    this.length = 0;
+  }
+
+  DLL.prototype._removeLink = function(node) {
+    var prev = node.prev;
+    var next = node.next;
+    if (prev) {
+      prev.next = next;
+    } else {
+      this.head = next;
+    }
+    if (next) {
+      next.prev = prev;
+    } else {
+      this.tail = prev;
+    }
+    node.prev = null;
+    node.next = null;
+    this.length--;
+    return node;
+  };
+
+  DLL.prototype.empty = DLL;
+
+  DLL.prototype._setInitial = function(node) {
+    this.length = 1;
+    this.head = this.tail = node;
+  };
+
+  DLL.prototype.insertBefore = function(node, newNode) {
+    newNode.prev = node.prev;
+    newNode.next = node;
+    if (node.prev) {
+      node.prev.next = newNode;
+    } else {
+      this.head = newNode;
+    }
+    node.prev = newNode;
+    this.length++;
+  };
+
+  DLL.prototype.unshift = function(node) {
+    if (this.head) {
+      this.insertBefore(this.head, node);
+    } else {
+      this._setInitial(node);
+    }
+  };
+
+  DLL.prototype.push = function(node) {
+    var tail = this.tail;
+    if (tail) {
+      node.prev = tail;
+      node.next = tail.next;
+      this.tail = node;
+      tail.next = node;
+      this.length++;
+    } else {
+      this._setInitial(node);
+    }
+  };
+
+  DLL.prototype.shift = function() {
+    return this.head && this._removeLink(this.head);
+  };
+
+  DLL.prototype.splice = function(end) {
+    var task;
+    var tasks = [];
+    while (end-- && (task = this.shift())) {
+      tasks.push(task);
+    }
+    return tasks;
+  };
+
+  DLL.prototype.remove = function(test) {
+    var node = this.head;
+    while (node) {
+      if (test(node)) {
+        this._removeLink(node);
+      }
+      node = node.next;
+    }
+    return this;
+  };
+
+  /**
+   * @private
+   */
+  function baseQueue(isQueue, worker, concurrency, payload) {
+    if (concurrency === undefined) {
+      concurrency = 1;
+    } else if (isNaN(concurrency) || concurrency < 1) {
+      throw new Error('Concurrency must not be zero');
+    }
+
+    var workers = 0;
+    var workersList = [];
+    var _callback, _unshift;
+
+    var q = {
+      _tasks: new DLL(),
+      concurrency: concurrency,
+      payload: payload,
+      saturated: noop,
+      unsaturated: noop,
+      buffer: concurrency / 4,
+      empty: noop,
+      drain: noop,
+      error: noop,
+      started: false,
+      paused: false,
+      push: push,
+      kill: kill,
+      unshift: unshift,
+      remove: remove,
+      process: isQueue ? runQueue : runCargo,
+      length: getLength,
+      running: running,
+      workersList: getWorkersList,
+      idle: idle,
+      pause: pause,
+      resume: resume,
+      _worker: worker
+    };
+    return q;
+
+    function push(tasks, callback) {
+      _insert(tasks, callback);
+    }
+
+    function unshift(tasks, callback) {
+      _insert(tasks, callback, true);
+    }
+
+    function _exec(task) {
+      var item = {
+        data: task,
+        callback: _callback
+      };
+      if (_unshift) {
+        q._tasks.unshift(item);
+      } else {
+        q._tasks.push(item);
+      }
+      nextTick(q.process);
+    }
+
+    function _insert(tasks, callback, unshift) {
+      if (callback == null) {
+        callback = noop;
+      } else if (typeof callback !== 'function') {
+        throw new Error('task callback must be a function');
+      }
+      q.started = true;
+      var _tasks = isArray(tasks) ? tasks : [tasks];
+
+      if (tasks === undefined || !_tasks.length) {
+        if (q.idle()) {
+          nextTick(q.drain);
+        }
+        return;
+      }
+
+      _unshift = unshift;
+      _callback = callback;
+      arrayEachSync(_tasks, _exec);
+      // Avoid leaking the callback
+      _callback = undefined;
+    }
+
+    function kill() {
+      q.drain = noop;
+      q._tasks.empty();
+    }
+
+    function _next(q, tasks) {
+      var called = false;
+      return function done(err, res) {
+        if (called) {
+          throwError();
+        }
+        called = true;
+
+        workers--;
+        var task;
+        var index = -1;
+        var size = workersList.length;
+        var taskIndex = -1;
+        var taskSize = tasks.length;
+        var useApply = arguments.length > 2;
+        var args = useApply && createArray(arguments);
+        while (++taskIndex < taskSize) {
+          task = tasks[taskIndex];
+          while (++index < size) {
+            if (workersList[index] === task) {
+              if (index === 0) {
+                workersList.shift();
+              } else {
+                workersList.splice(index, 1);
+              }
+              index = size;
+              size--;
+            }
+          }
+          index = -1;
+          if (useApply) {
+            task.callback.apply(task, args);
+          } else {
+            task.callback(err, res);
+          }
+          if (err) {
+            q.error(err, task.data);
+          }
+        }
+
+        if (workers <= q.concurrency - q.buffer) {
+          q.unsaturated();
+        }
+
+        if (q._tasks.length + workers === 0) {
+          q.drain();
+        }
+        q.process();
+      };
+    }
+
+    function runQueue() {
+      while (!q.paused && workers < q.concurrency && q._tasks.length) {
+        var task = q._tasks.shift();
+        workers++;
+        workersList.push(task);
+        if (q._tasks.length === 0) {
+          q.empty();
+        }
+        if (workers === q.concurrency) {
+          q.saturated();
+        }
+        var done = _next(q, [task]);
+        worker(task.data, done);
+      }
+    }
+
+    function runCargo() {
+      while (!q.paused && workers < q.concurrency && q._tasks.length) {
+        var tasks = q._tasks.splice(q.payload || q._tasks.length);
+        var index = -1;
+        var size = tasks.length;
+        var data = Array(size);
+        while (++index < size) {
+          data[index] = tasks[index].data;
+        }
+        workers++;
+        nativePush.apply(workersList, tasks);
+        if (q._tasks.length === 0) {
+          q.empty();
+        }
+        if (workers === q.concurrency) {
+          q.saturated();
+        }
+        var done = _next(q, tasks);
+        worker(data, done);
+      }
+    }
+
+    function getLength() {
+      return q._tasks.length;
+    }
+
+    function running() {
+      return workers;
+    }
+
+    function getWorkersList() {
+      return workersList;
+    }
+
+    function idle() {
+      return q.length() + workers === 0;
+    }
+
+    function pause() {
+      q.paused = true;
+    }
+
+    function _resume() {
+      nextTick(q.process);
+    }
+
+    function resume() {
+      if (q.paused === false) {
+        return;
+      }
+      q.paused = false;
+      var count = q.concurrency < q._tasks.length ? q.concurrency : q._tasks.length;
+      timesSync(count, _resume);
+    }
+
+    /**
+     * @param {Function} test
+     */
+    function remove(test) {
+      q._tasks.remove(test);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace queue
+   */
+  function queue(worker, concurrency) {
+    return baseQueue(true, worker, concurrency);
+  }
+
+  /**
+   * @memberof async
+   * @namespace priorityQueue
+   */
+  function priorityQueue(worker, concurrency) {
+    var q = baseQueue(true, worker, concurrency);
+    q.push = push;
+    delete q.unshift;
+    return q;
+
+    function push(tasks, priority, callback) {
+      q.started = true;
+      priority = priority || 0;
+      var _tasks = isArray(tasks) ? tasks : [tasks];
+      var taskSize = _tasks.length;
+
+      if (tasks === undefined || taskSize === 0) {
+        if (q.idle()) {
+          nextTick(q.drain);
+        }
+        return;
+      }
+
+      callback = typeof callback === func ? callback : noop;
+      var nextNode = q._tasks.head;
+      while (nextNode && priority >= nextNode.priority) {
+        nextNode = nextNode.next;
+      }
+      while (taskSize--) {
+        var item = {
+          data: _tasks[taskSize],
+          priority: priority,
+          callback: callback
+        };
+        if (nextNode) {
+          q._tasks.insertBefore(nextNode, item);
+        } else {
+          q._tasks.push(item);
+        }
+        nextTick(q.process);
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace cargo
+   */
+  function cargo(worker, payload) {
+    return baseQueue(false, worker, 1, payload);
+  }
+
+  /**
+   * @memberof async
+   * @namespace auto
+   * @param {Object} tasks
+   * @param {number} [concurrency]
+   * @param {Function} [callback]
+   */
+  function auto(tasks, concurrency, callback) {
+    if (typeof concurrency === func) {
+      callback = concurrency;
+      concurrency = null;
+    }
+    var keys = nativeKeys(tasks);
+    var rest = keys.length;
+    var results = {};
+    if (rest === 0) {
+      return callback(null, results);
+    }
+    var runningTasks = 0;
+    var readyTasks = new DLL();
+    var listeners = Object.create(null);
+    callback = onlyOnce(callback || noop);
+    concurrency = concurrency || rest;
+
+    baseEachSync(tasks, iterator, keys);
+    proceedQueue();
+
+    function iterator(task, key) {
+      // no dependencies
+      var _task, _taskSize;
+      if (!isArray(task)) {
+        _task = task;
+        _taskSize = 0;
+        readyTasks.push([_task, _taskSize, done]);
+        return;
+      }
+      var dependencySize = task.length - 1;
+      _task = task[dependencySize];
+      _taskSize = dependencySize;
+      if (dependencySize === 0) {
+        readyTasks.push([_task, _taskSize, done]);
+        return;
+      }
+      // dependencies
+      var index = -1;
+      while (++index < dependencySize) {
+        var dependencyName = task[index];
+        if (notInclude(keys, dependencyName)) {
+          var msg =
+            'async.auto task `' +
+            key +
+            '` has non-existent dependency `' +
+            dependencyName +
+            '` in ' +
+            task.join(', ');
+          throw new Error(msg);
+        }
+        var taskListeners = listeners[dependencyName];
+        if (!taskListeners) {
+          taskListeners = listeners[dependencyName] = [];
+        }
+        taskListeners.push(taskListener);
+      }
+
+      function done(err, arg) {
+        if (key === null) {
+          throwError();
+        }
+        arg = arguments.length <= 2 ? arg : slice(arguments, 1);
+        if (err) {
+          rest = 0;
+          runningTasks = 0;
+          readyTasks.length = 0;
+          var safeResults = objectClone(results);
+          safeResults[key] = arg;
+          key = null;
+          var _callback = callback;
+          callback = noop;
+          _callback(err, safeResults);
+          return;
+        }
+        runningTasks--;
+        rest--;
+        results[key] = arg;
+        taskComplete(key);
+        key = null;
+      }
+
+      function taskListener() {
+        if (--dependencySize === 0) {
+          readyTasks.push([_task, _taskSize, done]);
+        }
+      }
+    }
+
+    function proceedQueue() {
+      if (readyTasks.length === 0 && runningTasks === 0) {
+        if (rest !== 0) {
+          throw new Error('async.auto task has cyclic dependencies');
+        }
+        return callback(null, results);
+      }
+      while (readyTasks.length && runningTasks < concurrency && callback !== noop) {
+        runningTasks++;
+        var array = readyTasks.shift();
+        if (array[1] === 0) {
+          array[0](array[2]);
+        } else {
+          array[0](results, array[2]);
+        }
+      }
+    }
+
+    function taskComplete(key) {
+      var taskListeners = listeners[key] || [];
+      arrayEachSync(taskListeners, function(task) {
+        task();
+      });
+      proceedQueue();
+    }
+  }
+
+  var FN_ARGS = /^(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
+  var FN_ARG_SPLIT = /,/;
+  var FN_ARG = /(=.+)?(\s*)$/;
+  var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/gm;
+
+  /**
+   * parse function arguments for `autoInject`
+   *
+   * @private
+   */
+  function parseParams(func) {
+    func = func.toString().replace(STRIP_COMMENTS, '');
+    func = func.match(FN_ARGS)[2].replace(' ', '');
+    func = func ? func.split(FN_ARG_SPLIT) : [];
+    func = func.map(function(arg) {
+      return arg.replace(FN_ARG, '').trim();
+    });
+    return func;
+  }
+
+  /**
+   * @memberof async
+   * @namespace autoInject
+   * @param {Object} tasks
+   * @param {number} [concurrency]
+   * @param {Function} [callback]
+   */
+  function autoInject(tasks, concurrency, callback) {
+    var newTasks = {};
+    baseEachSync(tasks, iterator, nativeKeys(tasks));
+    auto(newTasks, concurrency, callback);
+
+    function iterator(task, key) {
+      var params;
+      var taskLength = task.length;
+
+      if (isArray(task)) {
+        if (taskLength === 0) {
+          throw new Error('autoInject task functions require explicit parameters.');
+        }
+        params = createArray(task);
+        taskLength = params.length - 1;
+        task = params[taskLength];
+        if (taskLength === 0) {
+          newTasks[key] = task;
+          return;
+        }
+      } else if (taskLength === 1) {
+        newTasks[key] = task;
+        return;
+      } else {
+        params = parseParams(task);
+        if (taskLength === 0 && params.length === 0) {
+          throw new Error('autoInject task functions require explicit parameters.');
+        }
+        taskLength = params.length - 1;
+      }
+      params[taskLength] = newTask;
+      newTasks[key] = params;
+
+      function newTask(results, done) {
+        switch (taskLength) {
+          case 1:
+            task(results[params[0]], done);
+            break;
+          case 2:
+            task(results[params[0]], results[params[1]], done);
+            break;
+          case 3:
+            task(results[params[0]], results[params[1]], results[params[2]], done);
+            break;
+          default:
+            var i = -1;
+            while (++i < taskLength) {
+              params[i] = results[params[i]];
+            }
+            params[i] = done;
+            task.apply(null, params);
+            break;
+        }
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace retry
+   * @param {integer|Object|Function} opts
+   * @param {Function} [task]
+   * @param {Function} [callback]
+   */
+  function retry(opts, task, callback) {
+    var times, intervalFunc, errorFilter;
+    var count = 0;
+    if (arguments.length < 3 && typeof opts === func) {
+      callback = task || noop;
+      task = opts;
+      opts = null;
+      times = DEFAULT_TIMES;
+    } else {
+      callback = callback || noop;
+      switch (typeof opts) {
+        case 'object':
+          if (typeof opts.errorFilter === func) {
+            errorFilter = opts.errorFilter;
+          }
+          var interval = opts.interval;
+          switch (typeof interval) {
+            case func:
+              intervalFunc = interval;
+              break;
+            case 'string':
+            case 'number':
+              interval = +interval;
+              intervalFunc = interval
+                ? function() {
+                    return interval;
+                  }
+                : function() {
+                    return DEFAULT_INTERVAL;
+                  };
+              break;
+          }
+          times = +opts.times || DEFAULT_TIMES;
+          break;
+        case 'number':
+          times = opts || DEFAULT_TIMES;
+          break;
+        case 'string':
+          times = +opts || DEFAULT_TIMES;
+          break;
+        default:
+          throw new Error('Invalid arguments for async.retry');
+      }
+    }
+    if (typeof task !== 'function') {
+      throw new Error('Invalid arguments for async.retry');
+    }
+
+    if (intervalFunc) {
+      task(intervalCallback);
+    } else {
+      task(simpleCallback);
+    }
+
+    function simpleIterator() {
+      task(simpleCallback);
+    }
+
+    function simpleCallback(err, res) {
+      if (++count === times || !err || (errorFilter && !errorFilter(err))) {
+        if (arguments.length <= 2) {
+          return callback(err, res);
+        }
+        var args = createArray(arguments);
+        return callback.apply(null, args);
+      }
+      simpleIterator();
+    }
+
+    function intervalIterator() {
+      task(intervalCallback);
+    }
+
+    function intervalCallback(err, res) {
+      if (++count === times || !err || (errorFilter && !errorFilter(err))) {
+        if (arguments.length <= 2) {
+          return callback(err, res);
+        }
+        var args = createArray(arguments);
+        return callback.apply(null, args);
+      }
+      setTimeout(intervalIterator, intervalFunc(count));
+    }
+  }
+
+  function retryable(opts, task) {
+    if (!task) {
+      task = opts;
+      opts = null;
+    }
+    return done;
+
+    function done() {
+      var taskFn;
+      var args = createArray(arguments);
+      var lastIndex = args.length - 1;
+      var callback = args[lastIndex];
+      switch (task.length) {
+        case 1:
+          taskFn = task1;
+          break;
+        case 2:
+          taskFn = task2;
+          break;
+        case 3:
+          taskFn = task3;
+          break;
+        default:
+          taskFn = task4;
+      }
+      if (opts) {
+        retry(opts, taskFn, callback);
+      } else {
+        retry(taskFn, callback);
+      }
+
+      function task1(done) {
+        task(done);
+      }
+
+      function task2(done) {
+        task(args[0], done);
+      }
+
+      function task3(done) {
+        task(args[0], args[1], done);
+      }
+
+      function task4(callback) {
+        args[lastIndex] = callback;
+        task.apply(null, args);
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace iterator
+   */
+  function iterator(tasks) {
+    var size = 0;
+    var keys = [];
+    if (isArray(tasks)) {
+      size = tasks.length;
+    } else {
+      keys = nativeKeys(tasks);
+      size = keys.length;
+    }
+    return makeCallback(0);
+
+    function makeCallback(index) {
+      var fn = function() {
+        if (size) {
+          var key = keys[index] || index;
+          tasks[key].apply(null, createArray(arguments));
+        }
+        return fn.next();
+      };
+      fn.next = function() {
+        return index < size - 1 ? makeCallback(index + 1) : null;
+      };
+      return fn;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace apply
+   */
+  function apply(func) {
+    switch (arguments.length) {
+      case 0:
+      case 1:
+        return func;
+      case 2:
+        return func.bind(null, arguments[1]);
+      case 3:
+        return func.bind(null, arguments[1], arguments[2]);
+      case 4:
+        return func.bind(null, arguments[1], arguments[2], arguments[3]);
+      case 5:
+        return func.bind(null, arguments[1], arguments[2], arguments[3], arguments[4]);
+      default:
+        var size = arguments.length;
+        var index = 0;
+        var args = Array(size);
+        args[index] = null;
+        while (++index < size) {
+          args[index] = arguments[index];
+        }
+        return func.bind.apply(func, args);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace timeout
+   * @param {Function} func
+   * @param {number} millisec
+   * @param {*} info
+   */
+  function timeout(func, millisec, info) {
+    var callback, timer;
+    return wrappedFunc;
+
+    function wrappedFunc() {
+      timer = setTimeout(timeoutCallback, millisec);
+      var args = createArray(arguments);
+      var lastIndex = args.length - 1;
+      callback = args[lastIndex];
+      args[lastIndex] = injectedCallback;
+      simpleApply(func, args);
+    }
+
+    function timeoutCallback() {
+      var name = func.name || 'anonymous';
+      var err = new Error('Callback function "' + name + '" timed out.');
+      err.code = 'ETIMEDOUT';
+      if (info) {
+        err.info = info;
+      }
+      timer = null;
+      callback(err);
+    }
+
+    function injectedCallback() {
+      if (timer !== null) {
+        simpleApply(callback, createArray(arguments));
+        clearTimeout(timer);
+      }
+    }
+
+    function simpleApply(func, args) {
+      switch (args.length) {
+        case 0:
+          func();
+          break;
+        case 1:
+          func(args[0]);
+          break;
+        case 2:
+          func(args[0], args[1]);
+          break;
+        default:
+          func.apply(null, args);
+          break;
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace times
+   * @param {number} n - n >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * var iterator = function(n, done) {
+   *   done(null, n);
+   * };
+   * async.times(4, iterator, function(err, res) {
+   *   console.log(res); // [0, 1, 2, 3];
+   * });
+   *
+   */
+  function times(n, iterator, callback) {
+    callback = callback || noop;
+    n = +n;
+    if (isNaN(n) || n < 1) {
+      return callback(null, []);
+    }
+    var result = Array(n);
+    timesSync(n, iterate);
+
+    function iterate(num) {
+      iterator(num, createCallback(num));
+    }
+
+    function createCallback(index) {
+      return function(err, res) {
+        if (index === null) {
+          throwError();
+        }
+        result[index] = res;
+        index = null;
+        if (err) {
+          callback(err);
+          callback = noop;
+        } else if (--n === 0) {
+          callback(null, result);
+        }
+      };
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace timesSeries
+   * @param {number} n - n >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * var iterator = function(n, done) {
+   *   done(null, n);
+   * };
+   * async.timesSeries(4, iterator, function(err, res) {
+   *   console.log(res); // [0, 1, 2, 3];
+   * });
+   *
+   */
+  function timesSeries(n, iterator, callback) {
+    callback = callback || noop;
+    n = +n;
+    if (isNaN(n) || n < 1) {
+      return callback(null, []);
+    }
+    var result = Array(n);
+    var sync = false;
+    var completed = 0;
+    iterate();
+
+    function iterate() {
+      iterator(completed, done);
+    }
+
+    function done(err, res) {
+      result[completed] = res;
+      if (err) {
+        callback(err);
+        callback = throwError;
+      } else if (++completed >= n) {
+        callback(null, result);
+        callback = throwError;
+      } else if (sync) {
+        nextTick(iterate);
+      } else {
+        sync = true;
+        iterate();
+      }
+      sync = false;
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace timesLimit
+   * @param {number} n - n >= 1
+   * @param {number} limit - n >= 1
+   * @param {Function} iterator
+   * @param {Function} callback
+   * @example
+   *
+   * var iterator = function(n, done) {
+   *   done(null, n);
+   * };
+   * async.timesLimit(4, 2, iterator, function(err, res) {
+   *   console.log(res); // [0, 1, 2, 3];
+   * });
+   *
+   */
+  function timesLimit(n, limit, iterator, callback) {
+    callback = callback || noop;
+    n = +n;
+    if (isNaN(n) || n < 1 || isNaN(limit) || limit < 1) {
+      return callback(null, []);
+    }
+    var result = Array(n);
+    var sync = false;
+    var started = 0;
+    var completed = 0;
+    timesSync(limit > n ? n : limit, iterate);
+
+    function iterate() {
+      var index = started++;
+      if (index < n) {
+        iterator(index, createCallback(index));
+      }
+    }
+
+    function createCallback(index) {
+      return function(err, res) {
+        if (index === null) {
+          throwError();
+        }
+        result[index] = res;
+        index = null;
+        if (err) {
+          callback(err);
+          callback = noop;
+        } else if (++completed >= n) {
+          callback(null, result);
+          callback = throwError;
+        } else if (sync) {
+          nextTick(iterate);
+        } else {
+          sync = true;
+          iterate();
+        }
+        sync = false;
+      };
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace race
+   * @param {Array|Object} tasks - functions
+   * @param {Function} callback
+   * @example
+   *
+   * // array
+   * var called = 0;
+   * var tasks = [
+   *   function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '1');
+   *     }, 30);
+   *   },
+   *   function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '2');
+   *     }, 20);
+   *   },
+   *   function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '3');
+   *     }, 10);
+   *   }
+   * ];
+   * async.race(tasks, function(err, res) {
+   *   console.log(res); // '3'
+   *   console.log(called); // 1
+   *   setTimeout(function() {
+   *     console.log(called); // 3
+   *   }, 50);
+   * });
+   *
+   * @example
+   *
+   * // object
+   * var called = 0;
+   * var tasks = {
+   *   'test1': function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '1');
+   *     }, 30);
+   *   },
+   *   'test2': function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '2');
+   *     }, 20);
+   *   },
+   *   'test3': function(done) {
+   *     setTimeout(function() {
+   *       called++;
+   *       done(null, '3');
+   *     }, 10);
+   *   }
+   * };
+   * async.race(tasks, function(err, res) {
+   *   console.log(res); // '3'
+   *   console.log(called); // 1
+   *   setTimeout(function() {
+   *     console.log(called); // 3
+   *     done();
+   *   }, 50);
+   * });
+   *
+   */
+  function race(tasks, callback) {
+    callback = once(callback || noop);
+    var size, keys;
+    var index = -1;
+    if (isArray(tasks)) {
+      size = tasks.length;
+      while (++index < size) {
+        tasks[index](callback);
+      }
+    } else if (tasks && typeof tasks === obj) {
+      keys = nativeKeys(tasks);
+      size = keys.length;
+      while (++index < size) {
+        tasks[keys[index]](callback);
+      }
+    } else {
+      return callback(new TypeError('First argument to race must be a collection of functions'));
+    }
+    if (!size) {
+      callback(null);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace memoize
+   */
+  function memoize(fn, hasher) {
+    hasher =
+      hasher ||
+      function(hash) {
+        return hash;
+      };
+
+    var memo = {};
+    var queues = {};
+    var memoized = function() {
+      var args = createArray(arguments);
+      var callback = args.pop();
+      var key = hasher.apply(null, args);
+      if (has(memo, key)) {
+        nextTick(function() {
+          callback.apply(null, memo[key]);
+        });
+        return;
+      }
+      if (has(queues, key)) {
+        return queues[key].push(callback);
+      }
+
+      queues[key] = [callback];
+      args.push(done);
+      fn.apply(null, args);
+
+      function done(err) {
+        var args = createArray(arguments);
+        if (!err) {
+          memo[key] = args;
+        }
+        var q = queues[key];
+        delete queues[key];
+
+        var i = -1;
+        var size = q.length;
+        while (++i < size) {
+          q[i].apply(null, args);
+        }
+      }
+    };
+    memoized.memo = memo;
+    memoized.unmemoized = fn;
+    return memoized;
+  }
+
+  /**
+   * @memberof async
+   * @namespace unmemoize
+   */
+  function unmemoize(fn) {
+    return function() {
+      return (fn.unmemoized || fn).apply(null, arguments);
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace ensureAsync
+   */
+  function ensureAsync(fn) {
+    return function(/* ...args, callback */) {
+      var args = createArray(arguments);
+      var lastIndex = args.length - 1;
+      var callback = args[lastIndex];
+      var sync = true;
+      args[lastIndex] = done;
+      fn.apply(this, args);
+      sync = false;
+
+      function done() {
+        var innerArgs = createArray(arguments);
+        if (sync) {
+          nextTick(function() {
+            callback.apply(null, innerArgs);
+          });
+        } else {
+          callback.apply(null, innerArgs);
+        }
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace constant
+   */
+  function constant(/* values... */) {
+    var args = [null].concat(createArray(arguments));
+    return function(callback) {
+      callback = arguments[arguments.length - 1];
+      callback.apply(this, args);
+    };
+  }
+
+  function asyncify(fn) {
+    return function(/* args..., callback */) {
+      var args = createArray(arguments);
+      var callback = args.pop();
+      var result;
+      try {
+        result = fn.apply(this, args);
+      } catch (e) {
+        return callback(e);
+      }
+      if (result && typeof result.then === func) {
+        result.then(
+          function(value) {
+            invokeCallback(callback, null, value);
+          },
+          function(err) {
+            invokeCallback(callback, err && err.message ? err : new Error(err));
+          }
+        );
+      } else {
+        callback(null, result);
+      }
+    };
+  }
+
+  function invokeCallback(callback, err, value) {
+    try {
+      callback(err, value);
+    } catch (e) {
+      nextTick(rethrow, e);
+    }
+  }
+
+  function rethrow(error) {
+    throw error;
+  }
+
+  /**
+   * @memberof async
+   * @namespace reflect
+   * @param {Function} func
+   * @return {Function}
+   */
+  function reflect(func) {
+    return function(/* args..., callback */) {
+      var callback;
+      switch (arguments.length) {
+        case 1:
+          callback = arguments[0];
+          return func(done);
+        case 2:
+          callback = arguments[1];
+          return func(arguments[0], done);
+        default:
+          var args = createArray(arguments);
+          var lastIndex = args.length - 1;
+          callback = args[lastIndex];
+          args[lastIndex] = done;
+          func.apply(this, args);
+      }
+
+      function done(err, res) {
+        if (err) {
+          return callback(null, {
+            error: err
+          });
+        }
+        if (arguments.length > 2) {
+          res = slice(arguments, 1);
+        }
+        callback(null, {
+          value: res
+        });
+      }
+    };
+  }
+
+  /**
+   * @memberof async
+   * @namespace reflectAll
+   * @param {Array[]|Object} tasks
+   * @return {Function}
+   */
+  function reflectAll(tasks) {
+    var newTasks, keys;
+    if (isArray(tasks)) {
+      newTasks = Array(tasks.length);
+      arrayEachSync(tasks, iterate);
+    } else if (tasks && typeof tasks === obj) {
+      keys = nativeKeys(tasks);
+      newTasks = {};
+      baseEachSync(tasks, iterate, keys);
+    }
+    return newTasks;
+
+    function iterate(func, key) {
+      newTasks[key] = reflect(func);
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace createLogger
+   */
+  function createLogger(name) {
+    return function(fn) {
+      var args = slice(arguments, 1);
+      args.push(done);
+      fn.apply(null, args);
+    };
+
+    function done(err) {
+      if (typeof console === obj) {
+        if (err) {
+          if (console.error) {
+            console.error(err);
+          }
+          return;
+        }
+        if (console[name]) {
+          var args = slice(arguments, 1);
+          arrayEachSync(args, function(arg) {
+            console[name](arg);
+          });
+        }
+      }
+    }
+  }
+
+  /**
+   * @memberof async
+   * @namespace safe
+   */
+  function safe() {
+    createImmediate();
+    return exports;
+  }
+
+  /**
+   * @memberof async
+   * @namespace fast
+   */
+  function fast() {
+    createImmediate(false);
+    return exports;
+  }
+});
diff --git a/node_modules/neo-async/async.min.js b/node_modules/neo-async/async.min.js
new file mode 100644
index 00000000..4161a3f6
--- /dev/null
+++ b/node_modules/neo-async/async.min.js
@@ -0,0 +1,80 @@
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diff --git a/node_modules/neo-async/asyncify.js b/node_modules/neo-async/asyncify.js
new file mode 100644
index 00000000..7b649eba
--- /dev/null
+++ b/node_modules/neo-async/asyncify.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').asyncify;
diff --git a/node_modules/neo-async/auto.js b/node_modules/neo-async/auto.js
new file mode 100644
index 00000000..7c6fadee
--- /dev/null
+++ b/node_modules/neo-async/auto.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').auto;
diff --git a/node_modules/neo-async/autoInject.js b/node_modules/neo-async/autoInject.js
new file mode 100644
index 00000000..4f141751
--- /dev/null
+++ b/node_modules/neo-async/autoInject.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').autoInject;
diff --git a/node_modules/neo-async/cargo.js b/node_modules/neo-async/cargo.js
new file mode 100644
index 00000000..c33fb7d3
--- /dev/null
+++ b/node_modules/neo-async/cargo.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').cargo;
diff --git a/node_modules/neo-async/compose.js b/node_modules/neo-async/compose.js
new file mode 100644
index 00000000..2ae833ee
--- /dev/null
+++ b/node_modules/neo-async/compose.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').compose;
diff --git a/node_modules/neo-async/concat.js b/node_modules/neo-async/concat.js
new file mode 100644
index 00000000..7eac75e0
--- /dev/null
+++ b/node_modules/neo-async/concat.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').concat;
diff --git a/node_modules/neo-async/concatLimit.js b/node_modules/neo-async/concatLimit.js
new file mode 100644
index 00000000..f25643db
--- /dev/null
+++ b/node_modules/neo-async/concatLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').concatLimit;
diff --git a/node_modules/neo-async/concatSeries.js b/node_modules/neo-async/concatSeries.js
new file mode 100644
index 00000000..97262317
--- /dev/null
+++ b/node_modules/neo-async/concatSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').concatSeries;
diff --git a/node_modules/neo-async/constant.js b/node_modules/neo-async/constant.js
new file mode 100644
index 00000000..a04f6b22
--- /dev/null
+++ b/node_modules/neo-async/constant.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').constant;
diff --git a/node_modules/neo-async/createLogger.js b/node_modules/neo-async/createLogger.js
new file mode 100644
index 00000000..941147b8
--- /dev/null
+++ b/node_modules/neo-async/createLogger.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').createLogger;
diff --git a/node_modules/neo-async/detect.js b/node_modules/neo-async/detect.js
new file mode 100644
index 00000000..5770dc96
--- /dev/null
+++ b/node_modules/neo-async/detect.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').detect;
diff --git a/node_modules/neo-async/detectLimit.js b/node_modules/neo-async/detectLimit.js
new file mode 100644
index 00000000..cd8ffbd9
--- /dev/null
+++ b/node_modules/neo-async/detectLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').detectLimit;
diff --git a/node_modules/neo-async/detectSeries.js b/node_modules/neo-async/detectSeries.js
new file mode 100644
index 00000000..2a62e257
--- /dev/null
+++ b/node_modules/neo-async/detectSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').detectSeries;
diff --git a/node_modules/neo-async/dir.js b/node_modules/neo-async/dir.js
new file mode 100644
index 00000000..12072c64
--- /dev/null
+++ b/node_modules/neo-async/dir.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').dir;
diff --git a/node_modules/neo-async/doDuring.js b/node_modules/neo-async/doDuring.js
new file mode 100644
index 00000000..df219014
--- /dev/null
+++ b/node_modules/neo-async/doDuring.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').doDuring;
diff --git a/node_modules/neo-async/doUntil.js b/node_modules/neo-async/doUntil.js
new file mode 100644
index 00000000..a00a889a
--- /dev/null
+++ b/node_modules/neo-async/doUntil.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').doUntil;
diff --git a/node_modules/neo-async/doWhilst.js b/node_modules/neo-async/doWhilst.js
new file mode 100644
index 00000000..c03dc169
--- /dev/null
+++ b/node_modules/neo-async/doWhilst.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').doWhilst;
diff --git a/node_modules/neo-async/during.js b/node_modules/neo-async/during.js
new file mode 100644
index 00000000..39433936
--- /dev/null
+++ b/node_modules/neo-async/during.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').during;
diff --git a/node_modules/neo-async/each.js b/node_modules/neo-async/each.js
new file mode 100644
index 00000000..88ff483f
--- /dev/null
+++ b/node_modules/neo-async/each.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').each;
diff --git a/node_modules/neo-async/eachLimit.js b/node_modules/neo-async/eachLimit.js
new file mode 100644
index 00000000..fdbd1b8b
--- /dev/null
+++ b/node_modules/neo-async/eachLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').eachLimit;
diff --git a/node_modules/neo-async/eachOf.js b/node_modules/neo-async/eachOf.js
new file mode 100644
index 00000000..bc697a28
--- /dev/null
+++ b/node_modules/neo-async/eachOf.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').eachOf;
diff --git a/node_modules/neo-async/eachOfLimit.js b/node_modules/neo-async/eachOfLimit.js
new file mode 100644
index 00000000..f00ea95f
--- /dev/null
+++ b/node_modules/neo-async/eachOfLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').eachOfLimit;
diff --git a/node_modules/neo-async/eachOfSeries.js b/node_modules/neo-async/eachOfSeries.js
new file mode 100644
index 00000000..3d70173e
--- /dev/null
+++ b/node_modules/neo-async/eachOfSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').eachOfSeries;
diff --git a/node_modules/neo-async/eachSeries.js b/node_modules/neo-async/eachSeries.js
new file mode 100644
index 00000000..88bdf865
--- /dev/null
+++ b/node_modules/neo-async/eachSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').eachSeries;
diff --git a/node_modules/neo-async/ensureAsync.js b/node_modules/neo-async/ensureAsync.js
new file mode 100644
index 00000000..65f42e1a
--- /dev/null
+++ b/node_modules/neo-async/ensureAsync.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').ensureAsync;
diff --git a/node_modules/neo-async/every.js b/node_modules/neo-async/every.js
new file mode 100644
index 00000000..b3f817b2
--- /dev/null
+++ b/node_modules/neo-async/every.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').every;
diff --git a/node_modules/neo-async/everyLimit.js b/node_modules/neo-async/everyLimit.js
new file mode 100644
index 00000000..49fd9e7a
--- /dev/null
+++ b/node_modules/neo-async/everyLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').everyLimit;
diff --git a/node_modules/neo-async/everySeries.js b/node_modules/neo-async/everySeries.js
new file mode 100644
index 00000000..5b365089
--- /dev/null
+++ b/node_modules/neo-async/everySeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').everySeries;
diff --git a/node_modules/neo-async/fast.js b/node_modules/neo-async/fast.js
new file mode 100644
index 00000000..25c6be88
--- /dev/null
+++ b/node_modules/neo-async/fast.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').fast;
diff --git a/node_modules/neo-async/filter.js b/node_modules/neo-async/filter.js
new file mode 100644
index 00000000..59cc323d
--- /dev/null
+++ b/node_modules/neo-async/filter.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').filter;
diff --git a/node_modules/neo-async/filterLimit.js b/node_modules/neo-async/filterLimit.js
new file mode 100644
index 00000000..9c058ab2
--- /dev/null
+++ b/node_modules/neo-async/filterLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').filterLimit;
diff --git a/node_modules/neo-async/filterSeries.js b/node_modules/neo-async/filterSeries.js
new file mode 100644
index 00000000..a73fa571
--- /dev/null
+++ b/node_modules/neo-async/filterSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').filterSeries;
diff --git a/node_modules/neo-async/find.js b/node_modules/neo-async/find.js
new file mode 100644
index 00000000..2693d251
--- /dev/null
+++ b/node_modules/neo-async/find.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').find;
diff --git a/node_modules/neo-async/findLimit.js b/node_modules/neo-async/findLimit.js
new file mode 100644
index 00000000..ba3567d1
--- /dev/null
+++ b/node_modules/neo-async/findLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').findLimit;
diff --git a/node_modules/neo-async/findSeries.js b/node_modules/neo-async/findSeries.js
new file mode 100644
index 00000000..44dcca5a
--- /dev/null
+++ b/node_modules/neo-async/findSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').findSeries;
diff --git a/node_modules/neo-async/foldl.js b/node_modules/neo-async/foldl.js
new file mode 100644
index 00000000..f43b0cac
--- /dev/null
+++ b/node_modules/neo-async/foldl.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').foldl;
diff --git a/node_modules/neo-async/foldr.js b/node_modules/neo-async/foldr.js
new file mode 100644
index 00000000..0c8bf314
--- /dev/null
+++ b/node_modules/neo-async/foldr.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').foldr;
diff --git a/node_modules/neo-async/forEach.js b/node_modules/neo-async/forEach.js
new file mode 100644
index 00000000..0a363c32
--- /dev/null
+++ b/node_modules/neo-async/forEach.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEach;
diff --git a/node_modules/neo-async/forEachLimit.js b/node_modules/neo-async/forEachLimit.js
new file mode 100644
index 00000000..e3829835
--- /dev/null
+++ b/node_modules/neo-async/forEachLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEachLimit;
diff --git a/node_modules/neo-async/forEachOf.js b/node_modules/neo-async/forEachOf.js
new file mode 100644
index 00000000..97de0eb9
--- /dev/null
+++ b/node_modules/neo-async/forEachOf.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEachOf;
diff --git a/node_modules/neo-async/forEachOfLimit.js b/node_modules/neo-async/forEachOfLimit.js
new file mode 100644
index 00000000..06676459
--- /dev/null
+++ b/node_modules/neo-async/forEachOfLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEachOfLimit;
diff --git a/node_modules/neo-async/forEachOfSeries.js b/node_modules/neo-async/forEachOfSeries.js
new file mode 100644
index 00000000..ef6a8a5e
--- /dev/null
+++ b/node_modules/neo-async/forEachOfSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEachOfSeries;
diff --git a/node_modules/neo-async/forEachSeries.js b/node_modules/neo-async/forEachSeries.js
new file mode 100644
index 00000000..45b5e8a9
--- /dev/null
+++ b/node_modules/neo-async/forEachSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forEachSeries;
diff --git a/node_modules/neo-async/forever.js b/node_modules/neo-async/forever.js
new file mode 100644
index 00000000..37e8cae8
--- /dev/null
+++ b/node_modules/neo-async/forever.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').forever;
diff --git a/node_modules/neo-async/groupBy.js b/node_modules/neo-async/groupBy.js
new file mode 100644
index 00000000..04d92c36
--- /dev/null
+++ b/node_modules/neo-async/groupBy.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').groupBy;
diff --git a/node_modules/neo-async/groupByLimit.js b/node_modules/neo-async/groupByLimit.js
new file mode 100644
index 00000000..eee7bc96
--- /dev/null
+++ b/node_modules/neo-async/groupByLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').groupByLimit;
diff --git a/node_modules/neo-async/groupBySeries.js b/node_modules/neo-async/groupBySeries.js
new file mode 100644
index 00000000..153e47c3
--- /dev/null
+++ b/node_modules/neo-async/groupBySeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').groupBySeries;
diff --git a/node_modules/neo-async/inject.js b/node_modules/neo-async/inject.js
new file mode 100644
index 00000000..5a2c7b50
--- /dev/null
+++ b/node_modules/neo-async/inject.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').inject;
diff --git a/node_modules/neo-async/iterator.js b/node_modules/neo-async/iterator.js
new file mode 100644
index 00000000..dffc6124
--- /dev/null
+++ b/node_modules/neo-async/iterator.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').iterator;
diff --git a/node_modules/neo-async/log.js b/node_modules/neo-async/log.js
new file mode 100644
index 00000000..044afbed
--- /dev/null
+++ b/node_modules/neo-async/log.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').log;
diff --git a/node_modules/neo-async/map.js b/node_modules/neo-async/map.js
new file mode 100644
index 00000000..726f81a3
--- /dev/null
+++ b/node_modules/neo-async/map.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').map;
diff --git a/node_modules/neo-async/mapLimit.js b/node_modules/neo-async/mapLimit.js
new file mode 100644
index 00000000..75677824
--- /dev/null
+++ b/node_modules/neo-async/mapLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').mapLimit;
diff --git a/node_modules/neo-async/mapSeries.js b/node_modules/neo-async/mapSeries.js
new file mode 100644
index 00000000..ee0e9898
--- /dev/null
+++ b/node_modules/neo-async/mapSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').mapSeries;
diff --git a/node_modules/neo-async/mapValues.js b/node_modules/neo-async/mapValues.js
new file mode 100644
index 00000000..31a68bca
--- /dev/null
+++ b/node_modules/neo-async/mapValues.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').mapValues;
diff --git a/node_modules/neo-async/mapValuesLimit.js b/node_modules/neo-async/mapValuesLimit.js
new file mode 100644
index 00000000..768cf1b4
--- /dev/null
+++ b/node_modules/neo-async/mapValuesLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').mapValuesLimit;
diff --git a/node_modules/neo-async/mapValuesSeries.js b/node_modules/neo-async/mapValuesSeries.js
new file mode 100644
index 00000000..172ea371
--- /dev/null
+++ b/node_modules/neo-async/mapValuesSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').mapValuesSeries;
diff --git a/node_modules/neo-async/memoize.js b/node_modules/neo-async/memoize.js
new file mode 100644
index 00000000..96086fe1
--- /dev/null
+++ b/node_modules/neo-async/memoize.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').memoize;
diff --git a/node_modules/neo-async/nextTick.js b/node_modules/neo-async/nextTick.js
new file mode 100644
index 00000000..175f316f
--- /dev/null
+++ b/node_modules/neo-async/nextTick.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').nextTick;
diff --git a/node_modules/neo-async/omit.js b/node_modules/neo-async/omit.js
new file mode 100644
index 00000000..e2fd84f3
--- /dev/null
+++ b/node_modules/neo-async/omit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').omit;
diff --git a/node_modules/neo-async/omitLimit.js b/node_modules/neo-async/omitLimit.js
new file mode 100644
index 00000000..2acf7595
--- /dev/null
+++ b/node_modules/neo-async/omitLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').omitLimit;
diff --git a/node_modules/neo-async/omitSeries.js b/node_modules/neo-async/omitSeries.js
new file mode 100644
index 00000000..83de6257
--- /dev/null
+++ b/node_modules/neo-async/omitSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').omitSeries;
diff --git a/node_modules/neo-async/package.json b/node_modules/neo-async/package.json
new file mode 100644
index 00000000..d5702c4e
--- /dev/null
+++ b/node_modules/neo-async/package.json
@@ -0,0 +1,57 @@
+{
+  "name": "neo-async",
+  "version": "2.6.2",
+  "description": "Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster ",
+  "main": "async.js",
+  "license": "MIT",
+  "keywords": [
+    "async",
+    "util"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:suguru03/neo-async.git"
+  },
+  "homepage": "https://github.com/suguru03/neo-async",
+  "dependencies": {},
+  "devDependencies": {
+    "aigle": "^1.14.0",
+    "async": "^2.6.0",
+    "benchmark": "^2.1.1",
+    "bluebird": "^3.5.1",
+    "codecov.io": "^0.1.6",
+    "fs-extra": "^4.0.2",
+    "func-comparator": "^0.7.2",
+    "gulp": "^4.0.2",
+    "gulp-bump": "^2.8.0",
+    "gulp-exit": "0.0.2",
+    "gulp-git": "^2.4.2",
+    "gulp-jscs": "^4.0.0",
+    "gulp-mocha": "^4.2.0",
+    "gulp-tag-version": "^1.3.0",
+    "gulp-util": "^3.0.7",
+    "husky": "^1.2.0",
+    "istanbul": "^0.4.3",
+    "jsdoc": "^3.5.5",
+    "jshint": "^2.9.5",
+    "lint-staged": "^8.1.0",
+    "lodash": "^4.16.6",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3",
+    "mocha-parallel-executor": "^0.3.0",
+    "mocha.parallel": "^0.15.3",
+    "prettier": "^1.15.2",
+    "require-dir": "^0.3.0"
+  },
+  "lint-staged": {
+    "*.{js,ts}": [
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "prettier": {
+    "printWidth": 100,
+    "singleQuote": true
+  },
+  "browser": "async.min.js"
+}
\ No newline at end of file
diff --git a/node_modules/neo-async/parallel.js b/node_modules/neo-async/parallel.js
new file mode 100644
index 00000000..c09021fd
--- /dev/null
+++ b/node_modules/neo-async/parallel.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').parallel;
diff --git a/node_modules/neo-async/parallelLimit.js b/node_modules/neo-async/parallelLimit.js
new file mode 100644
index 00000000..29d0c9e1
--- /dev/null
+++ b/node_modules/neo-async/parallelLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').parallelLimit;
diff --git a/node_modules/neo-async/pick.js b/node_modules/neo-async/pick.js
new file mode 100644
index 00000000..a74789ad
--- /dev/null
+++ b/node_modules/neo-async/pick.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').pick;
diff --git a/node_modules/neo-async/pickLimit.js b/node_modules/neo-async/pickLimit.js
new file mode 100644
index 00000000..3de9261c
--- /dev/null
+++ b/node_modules/neo-async/pickLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').pickLimit;
diff --git a/node_modules/neo-async/pickSeries.js b/node_modules/neo-async/pickSeries.js
new file mode 100644
index 00000000..eef0ae44
--- /dev/null
+++ b/node_modules/neo-async/pickSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').pickSeries;
diff --git a/node_modules/neo-async/priorityQueue.js b/node_modules/neo-async/priorityQueue.js
new file mode 100644
index 00000000..55f9737e
--- /dev/null
+++ b/node_modules/neo-async/priorityQueue.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').priorityQueue;
diff --git a/node_modules/neo-async/queue.js b/node_modules/neo-async/queue.js
new file mode 100644
index 00000000..eb9e37b0
--- /dev/null
+++ b/node_modules/neo-async/queue.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').queue;
diff --git a/node_modules/neo-async/race.js b/node_modules/neo-async/race.js
new file mode 100644
index 00000000..cab40dbe
--- /dev/null
+++ b/node_modules/neo-async/race.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').race;
diff --git a/node_modules/neo-async/reduce.js b/node_modules/neo-async/reduce.js
new file mode 100644
index 00000000..6f0c5c89
--- /dev/null
+++ b/node_modules/neo-async/reduce.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').reduce;
diff --git a/node_modules/neo-async/reduceRight.js b/node_modules/neo-async/reduceRight.js
new file mode 100644
index 00000000..3f14a478
--- /dev/null
+++ b/node_modules/neo-async/reduceRight.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').reduceRight;
diff --git a/node_modules/neo-async/reflect.js b/node_modules/neo-async/reflect.js
new file mode 100644
index 00000000..233cae72
--- /dev/null
+++ b/node_modules/neo-async/reflect.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').reflect;
diff --git a/node_modules/neo-async/reflectAll.js b/node_modules/neo-async/reflectAll.js
new file mode 100644
index 00000000..901e28cc
--- /dev/null
+++ b/node_modules/neo-async/reflectAll.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').reflectAll;
diff --git a/node_modules/neo-async/reject.js b/node_modules/neo-async/reject.js
new file mode 100644
index 00000000..a62c541e
--- /dev/null
+++ b/node_modules/neo-async/reject.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').reject;
diff --git a/node_modules/neo-async/rejectLimit.js b/node_modules/neo-async/rejectLimit.js
new file mode 100644
index 00000000..f7b0efd6
--- /dev/null
+++ b/node_modules/neo-async/rejectLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').rejectLimit;
diff --git a/node_modules/neo-async/rejectSeries.js b/node_modules/neo-async/rejectSeries.js
new file mode 100644
index 00000000..da4adc16
--- /dev/null
+++ b/node_modules/neo-async/rejectSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').rejectSeries;
diff --git a/node_modules/neo-async/retry.js b/node_modules/neo-async/retry.js
new file mode 100644
index 00000000..07ada27a
--- /dev/null
+++ b/node_modules/neo-async/retry.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').retry;
diff --git a/node_modules/neo-async/retryable.js b/node_modules/neo-async/retryable.js
new file mode 100644
index 00000000..cd898075
--- /dev/null
+++ b/node_modules/neo-async/retryable.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').retryable;
diff --git a/node_modules/neo-async/safe.js b/node_modules/neo-async/safe.js
new file mode 100644
index 00000000..6e4c698d
--- /dev/null
+++ b/node_modules/neo-async/safe.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').safe;
diff --git a/node_modules/neo-async/select.js b/node_modules/neo-async/select.js
new file mode 100644
index 00000000..e4fd51cb
--- /dev/null
+++ b/node_modules/neo-async/select.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').select;
diff --git a/node_modules/neo-async/selectLimit.js b/node_modules/neo-async/selectLimit.js
new file mode 100644
index 00000000..2f37e66f
--- /dev/null
+++ b/node_modules/neo-async/selectLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').selectLimit;
diff --git a/node_modules/neo-async/selectSeries.js b/node_modules/neo-async/selectSeries.js
new file mode 100644
index 00000000..a4de29d6
--- /dev/null
+++ b/node_modules/neo-async/selectSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').selectSeries;
diff --git a/node_modules/neo-async/seq.js b/node_modules/neo-async/seq.js
new file mode 100644
index 00000000..7eacd7e7
--- /dev/null
+++ b/node_modules/neo-async/seq.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').seq;
diff --git a/node_modules/neo-async/series.js b/node_modules/neo-async/series.js
new file mode 100644
index 00000000..096d2d04
--- /dev/null
+++ b/node_modules/neo-async/series.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').series;
diff --git a/node_modules/neo-async/setImmediate.js b/node_modules/neo-async/setImmediate.js
new file mode 100644
index 00000000..9b93ca7b
--- /dev/null
+++ b/node_modules/neo-async/setImmediate.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').setImmediate;
diff --git a/node_modules/neo-async/some.js b/node_modules/neo-async/some.js
new file mode 100644
index 00000000..bcf6e9cf
--- /dev/null
+++ b/node_modules/neo-async/some.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').some;
diff --git a/node_modules/neo-async/someLimit.js b/node_modules/neo-async/someLimit.js
new file mode 100644
index 00000000..a970b2ae
--- /dev/null
+++ b/node_modules/neo-async/someLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').someLimit;
diff --git a/node_modules/neo-async/someSeries.js b/node_modules/neo-async/someSeries.js
new file mode 100644
index 00000000..4965c529
--- /dev/null
+++ b/node_modules/neo-async/someSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').someSeries;
diff --git a/node_modules/neo-async/sortBy.js b/node_modules/neo-async/sortBy.js
new file mode 100644
index 00000000..7456216f
--- /dev/null
+++ b/node_modules/neo-async/sortBy.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').sortBy;
diff --git a/node_modules/neo-async/sortByLimit.js b/node_modules/neo-async/sortByLimit.js
new file mode 100644
index 00000000..96016862
--- /dev/null
+++ b/node_modules/neo-async/sortByLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').sortByLimit;
diff --git a/node_modules/neo-async/sortBySeries.js b/node_modules/neo-async/sortBySeries.js
new file mode 100644
index 00000000..7d7e069f
--- /dev/null
+++ b/node_modules/neo-async/sortBySeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').sortBySeries;
diff --git a/node_modules/neo-async/timeout.js b/node_modules/neo-async/timeout.js
new file mode 100644
index 00000000..8fe4ad41
--- /dev/null
+++ b/node_modules/neo-async/timeout.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').timeout;
diff --git a/node_modules/neo-async/times.js b/node_modules/neo-async/times.js
new file mode 100644
index 00000000..c9d3744a
--- /dev/null
+++ b/node_modules/neo-async/times.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').times;
diff --git a/node_modules/neo-async/timesLimit.js b/node_modules/neo-async/timesLimit.js
new file mode 100644
index 00000000..f22718a0
--- /dev/null
+++ b/node_modules/neo-async/timesLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').timesLimit;
diff --git a/node_modules/neo-async/timesSeries.js b/node_modules/neo-async/timesSeries.js
new file mode 100644
index 00000000..63c055d0
--- /dev/null
+++ b/node_modules/neo-async/timesSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').timesSeries;
diff --git a/node_modules/neo-async/transform.js b/node_modules/neo-async/transform.js
new file mode 100644
index 00000000..83787e31
--- /dev/null
+++ b/node_modules/neo-async/transform.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').transform;
diff --git a/node_modules/neo-async/transformLimit.js b/node_modules/neo-async/transformLimit.js
new file mode 100644
index 00000000..79eac862
--- /dev/null
+++ b/node_modules/neo-async/transformLimit.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').transformLimit;
diff --git a/node_modules/neo-async/transformSeries.js b/node_modules/neo-async/transformSeries.js
new file mode 100644
index 00000000..5979c8f5
--- /dev/null
+++ b/node_modules/neo-async/transformSeries.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').transformSeries;
diff --git a/node_modules/neo-async/tryEach.js b/node_modules/neo-async/tryEach.js
new file mode 100644
index 00000000..138a84a2
--- /dev/null
+++ b/node_modules/neo-async/tryEach.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').tryEach;
diff --git a/node_modules/neo-async/unmemoize.js b/node_modules/neo-async/unmemoize.js
new file mode 100644
index 00000000..18830f45
--- /dev/null
+++ b/node_modules/neo-async/unmemoize.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').unmemoize;
diff --git a/node_modules/neo-async/until.js b/node_modules/neo-async/until.js
new file mode 100644
index 00000000..826b48aa
--- /dev/null
+++ b/node_modules/neo-async/until.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').until;
diff --git a/node_modules/neo-async/waterfall.js b/node_modules/neo-async/waterfall.js
new file mode 100644
index 00000000..e3fa20a0
--- /dev/null
+++ b/node_modules/neo-async/waterfall.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').waterfall;
diff --git a/node_modules/neo-async/whilst.js b/node_modules/neo-async/whilst.js
new file mode 100644
index 00000000..0d72ea6f
--- /dev/null
+++ b/node_modules/neo-async/whilst.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').whilst;
diff --git a/node_modules/neo-async/wrapSync.js b/node_modules/neo-async/wrapSync.js
new file mode 100644
index 00000000..965037bf
--- /dev/null
+++ b/node_modules/neo-async/wrapSync.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./async').wrapSync;
diff --git a/node_modules/node-libs-browser/LICENSE b/node_modules/node-libs-browser/LICENSE
new file mode 100644
index 00000000..b6f8f400
--- /dev/null
+++ b/node_modules/node-libs-browser/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2012 Tobias Koppers
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/node-libs-browser/README.md b/node_modules/node-libs-browser/README.md
new file mode 100644
index 00000000..31718c0a
--- /dev/null
+++ b/node_modules/node-libs-browser/README.md
@@ -0,0 +1,63 @@
+# node-libs-browser
+
+The node core libs for in-browser usage.
+
+NOTE: This library is deprecated and won't accept Pull Requests that include Breaking Changes or new Features. Only bugfixes are accepted.
+
+[![dependencies status](http://david-dm.org/webpack/node-libs-browser.png)](http://david-dm.org/webpack/node-libs-browser)
+
+Exports a hash [object] of absolute paths to each lib, keyed by lib names. Modules without browser replacements are `null`.
+
+Some modules have mocks in the `mock` directory. These are replacements with minimal functionality.
+
+| lib name | browser implementation | mock implementation |
+|:--------:|:----------------------:|:-------------------:|
+| assert | [defunctzombie/commonjs-assert](https://github.com/defunctzombie/commonjs-assert) | --- |
+| buffer | [feross/buffer](https://github.com/feross/buffer) | [buffer.js](https://github.com/webpack/node-libs-browser/blob/master/mock/buffer.js) |
+| child_process | --- | --- |
+| cluster | --- | --- |
+| console | [Raynos/console-browserify](https://github.com/Raynos/console-browserify) | [console.js](https://github.com/webpack/node-libs-browser/blob/master/mock/console.js) |
+| constants | [juliangruber/constants-browserify](https://github.com/juliangruber/constants-browserify) | --- |
+| crypto | [crypto-browserify/crypto-browserify](https://github.com/crypto-browserify/crypto-browserify) | --- |
+| dgram | --- | --- |
+| dns | --- | [dns.js](https://github.com/webpack/node-libs-browser/blob/master/mock/dns.js) |
+| domain | [bevry/domain-browser](https://github.com/bevry/domain-browser) | --- |
+| events | [Gozala/events](https://github.com/Gozala/events) | --- |
+| fs | --- | --- |
+| http | [jhiesey/stream-http](https://github.com/jhiesey/stream-http) | --- |
+| https | [substack/https-browserify](https://github.com/substack/https-browserify) | --- |
+| module | --- | --- |
+| net | --- | [net.js](https://github.com/webpack/node-libs-browser/blob/master/mock/net.js) |
+| os | [CoderPuppy/os-browserify](https://github.com/CoderPuppy/os-browserify) | --- |
+| path | [substack/path-browserify](https://github.com/substack/path-browserify) | --- |
+| process | [shtylman/node-process](https://github.com/shtylman/node-process) | [process.js](https://github.com/webpack/node-libs-browser/blob/master/mock/process.js) |
+| punycode | [bestiejs/punycode.js](https://github.com/bestiejs/punycode.js) | --- |
+| querystring | [mike-spainhower/querystring](https://github.com/mike-spainhower/querystring) | --- |
+| readline | --- | --- |
+| repl | --- | --- |
+| stream | [substack/stream-browserify](https://github.com/substack/stream-browserify) | --- |
+| string_decoder | [rvagg/string_decoder](https://github.com/rvagg/string_decoder) | --- |
+| sys | [defunctzombie/node-util](https://github.com/defunctzombie/node-util) | --- |
+| timers | [jryans/timers-browserify](https://github.com/jryans/timers-browserify) | --- | 
+| tls | --- | [tls.js](https://github.com/webpack/node-libs-browser/blob/master/mock/tls.js) |
+| tty | [substack/tty-browserify](https://github.com/substack/tty-browserify) | [tty.js](https://github.com/webpack/node-libs-browser/blob/master/mock/tty.js) |
+| url | [defunctzombie/node-url](https://github.com/defunctzombie/node-url) | --- |
+| util | [defunctzombie/node-util](https://github.com/defunctzombie/node-util) | --- |
+| vm | [substack/vm-browserify](https://github.com/substack/vm-browserify) | --- |
+| zlib | [devongovett/browserify-zlib](https://github.com/devongovett/browserify-zlib) | --- |
+
+## Outdated versions 
+
+### `buffer`
+
+The current `buffer` implementation uses feross/buffer@4.x because feross/buffer@5.x relies on [typed arrays](https://github.com/feross/buffer/commit/5daca86b7cd5d2b8ccb167534d47421029f639e9#commitcomment-19698936).
+This will be dropped as soon as IE9 is not a typical browser target anymore.
+
+### `punycode`
+
+The current `punycode` implementation uses bestiejs/punycode.js@1.x because bestiejs/punycode.js@2.x requires modern JS engines that understand `const` and `let`.
+It will be removed someday since it has already been [deprecated from the node API](https://nodejs.org/api/punycode.html).
+
+## License
+
+MIT
diff --git a/node_modules/node-libs-browser/index.js b/node_modules/node-libs-browser/index.js
new file mode 100644
index 00000000..23c3185d
--- /dev/null
+++ b/node_modules/node-libs-browser/index.js
@@ -0,0 +1,38 @@
+exports.assert						= require.resolve('assert/');
+exports.buffer						= require.resolve('buffer/');
+exports.child_process				= null;
+exports.cluster						= null;
+exports.console						= require.resolve('console-browserify');
+exports.constants					= require.resolve('constants-browserify');
+exports.crypto						= require.resolve('crypto-browserify');
+exports.dgram						= null;
+exports.dns							= null;
+exports.domain						= require.resolve('domain-browser');
+exports.events						= require.resolve('events/');
+exports.fs							= null;
+exports.http						= require.resolve('stream-http');
+exports.https						= require.resolve('https-browserify');
+exports.module						= null;
+exports.net							= null;
+exports.os							= require.resolve('os-browserify/browser.js');
+exports.path						= require.resolve('path-browserify');
+exports.punycode					= require.resolve('punycode/');
+exports.process						= require.resolve('process/browser.js');
+exports.querystring					= require.resolve('querystring-es3/');
+exports.readline					= null;
+exports.repl						= null;
+exports.stream						= require.resolve('stream-browserify');
+exports._stream_duplex				= require.resolve('readable-stream/duplex.js');
+exports._stream_passthrough			= require.resolve('readable-stream/passthrough.js');
+exports._stream_readable			= require.resolve('readable-stream/readable.js');
+exports._stream_transform			= require.resolve('readable-stream/transform.js');
+exports._stream_writable			= require.resolve('readable-stream/writable.js');
+exports.string_decoder				= require.resolve('string_decoder/');
+exports.sys							= require.resolve('util/util.js');
+exports.timers						= require.resolve('timers-browserify');
+exports.tls							= null;
+exports.tty							= require.resolve('tty-browserify');
+exports.url							= require.resolve('url/');
+exports.util						= require.resolve('util/util.js');
+exports.vm							= require.resolve('vm-browserify');
+exports.zlib						= require.resolve('browserify-zlib');
diff --git a/node_modules/node-libs-browser/mock/buffer.js b/node_modules/node-libs-browser/mock/buffer.js
new file mode 100644
index 00000000..76a2d181
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/buffer.js
@@ -0,0 +1,10 @@
+function Buffer() {
+	throw new Error("Buffer is not included.");
+}
+Buffer.isBuffer = function() {
+  return false;
+};
+
+exports.INSPECT_MAX_BYTES = 50;
+exports.SlowBuffer = Buffer;
+exports.Buffer = Buffer;
diff --git a/node_modules/node-libs-browser/mock/console.js b/node_modules/node-libs-browser/mock/console.js
new file mode 100644
index 00000000..2bc7d5f9
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/console.js
@@ -0,0 +1,12 @@
+var console;
+if (typeof global !== "undefined" && global.console) {
+    console = global.console
+} else if (typeof window !== "undefined" && window.console) {
+    console = window.console
+} else {
+    console = window.console = {}
+}
+module.exports = console;
+for(var name in {log:1, info:1, error:1, warn:1, dir:1, trace:1, assert:1, time:1, timeEnd: 1})
+	if(!console[name])
+		console[name] = function() {};
diff --git a/node_modules/node-libs-browser/mock/dns.js b/node_modules/node-libs-browser/mock/dns.js
new file mode 100644
index 00000000..f15a0040
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/dns.js
@@ -0,0 +1,15 @@
+exports.lookup = exports.resolve4 =
+exports.resolve6 = exports.resolveCname =
+exports.resolveMx = exports.resolveNs =
+exports.resolveTxt = exports.resolveSrv =
+exports.resolveNaptr = exports.reverse =
+exports.resolve =
+function () {
+  if (!arguments.length) return;
+
+  var callback = arguments[arguments.length - 1];
+  if (callback && typeof callback === 'function') {
+    callback(null, '0.0.0.0')
+  }
+}
+
diff --git a/node_modules/node-libs-browser/mock/empty.js b/node_modules/node-libs-browser/mock/empty.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/node-libs-browser/mock/net.js b/node_modules/node-libs-browser/mock/net.js
new file mode 100644
index 00000000..e42afc70
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/net.js
@@ -0,0 +1,10 @@
+exports.createServer =
+exports.createConnection =
+exports.connect =
+function () {};
+
+exports.isIP =
+exports.isIPv4 =
+exports.isIPv6 =
+function () { return true };
+
diff --git a/node_modules/node-libs-browser/mock/process.js b/node_modules/node-libs-browser/mock/process.js
new file mode 100644
index 00000000..ad1fb34d
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/process.js
@@ -0,0 +1,34 @@
+exports.nextTick = function nextTick(fn) {
+    var args = Array.prototype.slice.call(arguments);
+    args.shift();
+    setTimeout(function () {
+        fn.apply(null, args);
+    }, 0);
+};
+
+exports.platform = exports.arch = 
+exports.execPath = exports.title = 'browser';
+exports.pid = 1;
+exports.browser = true;
+exports.env = {};
+exports.argv = [];
+
+exports.binding = function (name) {
+	throw new Error('No such module. (Possibly not yet loaded)')
+};
+
+(function () {
+    var cwd = '/';
+    var path;
+    exports.cwd = function () { return cwd };
+    exports.chdir = function (dir) {
+        if (!path) path = require('path');
+        cwd = path.resolve(dir, cwd);
+    };
+})();
+
+exports.exit = exports.kill = 
+exports.umask = exports.dlopen = 
+exports.uptime = exports.memoryUsage = 
+exports.uvCounters = function() {};
+exports.features = {};
diff --git a/node_modules/node-libs-browser/mock/punycode.js b/node_modules/node-libs-browser/mock/punycode.js
new file mode 100644
index 00000000..9f964a17
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/punycode.js
@@ -0,0 +1,6 @@
+exports.ucs2 = {};
+exports.encode = exports.decode =
+exports.ucs2.encode = exports.ucs2.decode =
+exports.toUnicode = exports.toASCII =
+function (s) { return s };
+exports.version = "0.0.0";
\ No newline at end of file
diff --git a/node_modules/node-libs-browser/mock/tls.js b/node_modules/node-libs-browser/mock/tls.js
new file mode 100644
index 00000000..65b3dba3
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/tls.js
@@ -0,0 +1 @@
+// todo
diff --git a/node_modules/node-libs-browser/mock/tty.js b/node_modules/node-libs-browser/mock/tty.js
new file mode 100644
index 00000000..a674e0f7
--- /dev/null
+++ b/node_modules/node-libs-browser/mock/tty.js
@@ -0,0 +1,2 @@
+exports.isatty = function () {};
+exports.setRawMode = function () {};
diff --git a/node_modules/node-libs-browser/node_modules/punycode/LICENSE-MIT.txt b/node_modules/node-libs-browser/node_modules/punycode/LICENSE-MIT.txt
new file mode 100644
index 00000000..a41e0a7e
--- /dev/null
+++ b/node_modules/node-libs-browser/node_modules/punycode/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/node-libs-browser/node_modules/punycode/README.md b/node_modules/node-libs-browser/node_modules/punycode/README.md
new file mode 100644
index 00000000..7ad7d1fa
--- /dev/null
+++ b/node_modules/node-libs-browser/node_modules/punycode/README.md
@@ -0,0 +1,176 @@
+# Punycode.js [![Build status](https://travis-ci.org/bestiejs/punycode.js.svg?branch=master)](https://travis-ci.org/bestiejs/punycode.js) [![Code coverage status](http://img.shields.io/coveralls/bestiejs/punycode.js/master.svg)](https://coveralls.io/r/bestiejs/punycode.js) [![Dependency status](https://gemnasium.com/bestiejs/punycode.js.svg)](https://gemnasium.com/bestiejs/punycode.js)
+
+A robust Punycode converter that fully complies to [RFC 3492](https://tools.ietf.org/html/rfc3492) and [RFC 5891](https://tools.ietf.org/html/rfc5891), and works on nearly all JavaScript platforms.
+
+This JavaScript library is the result of comparing, optimizing and documenting different open-source implementations of the Punycode algorithm:
+
+* [The C example code from RFC 3492](https://tools.ietf.org/html/rfc3492#appendix-C)
+* [`punycode.c` by _Markus W. Scherer_ (IBM)](http://opensource.apple.com/source/ICU/ICU-400.42/icuSources/common/punycode.c)
+* [`punycode.c` by _Ben Noordhuis_](https://github.com/bnoordhuis/punycode/blob/master/punycode.c)
+* [JavaScript implementation by _some_](http://stackoverflow.com/questions/183485/can-anyone-recommend-a-good-free-javascript-for-punycode-to-unicode-conversion/301287#301287)
+* [`punycode.js` by _Ben Noordhuis_](https://github.com/joyent/node/blob/426298c8c1c0d5b5224ac3658c41e7c2a3fe9377/lib/punycode.js) (note: [not fully compliant](https://github.com/joyent/node/issues/2072))
+
+This project is [bundled](https://github.com/joyent/node/blob/master/lib/punycode.js) with [Node.js v0.6.2+](https://github.com/joyent/node/compare/975f1930b1...61e796decc) and [io.js v1.0.0+](https://github.com/iojs/io.js/blob/v1.x/lib/punycode.js).
+
+## Installation
+
+Via [npm](https://www.npmjs.com/) (only required for Node.js releases older than v0.6.2):
+
+```bash
+npm install punycode
+```
+
+Via [Bower](http://bower.io/):
+
+```bash
+bower install punycode
+```
+
+Via [Component](https://github.com/component/component):
+
+```bash
+component install bestiejs/punycode.js
+```
+
+In a browser:
+
+```html
+<script src="punycode.js"></script>
+```
+
+In [Node.js](https://nodejs.org/), [io.js](https://iojs.org/), [Narwhal](http://narwhaljs.org/), and [RingoJS](http://ringojs.org/):
+
+```js
+var punycode = require('punycode');
+```
+
+In [Rhino](http://www.mozilla.org/rhino/):
+
+```js
+load('punycode.js');
+```
+
+Using an AMD loader like [RequireJS](http://requirejs.org/):
+
+```js
+require(
+  {
+    'paths': {
+      'punycode': 'path/to/punycode'
+    }
+  },
+  ['punycode'],
+  function(punycode) {
+    console.log(punycode);
+  }
+);
+```
+
+## API
+
+### `punycode.decode(string)`
+
+Converts a Punycode string of ASCII symbols to a string of Unicode symbols.
+
+```js
+// decode domain name parts
+punycode.decode('maana-pta'); // 'mañana'
+punycode.decode('--dqo34k'); // '☃-⌘'
+```
+
+### `punycode.encode(string)`
+
+Converts a string of Unicode symbols to a Punycode string of ASCII symbols.
+
+```js
+// encode domain name parts
+punycode.encode('mañana'); // 'maana-pta'
+punycode.encode('☃-⌘'); // '--dqo34k'
+```
+
+### `punycode.toUnicode(input)`
+
+Converts a Punycode string representing a domain name or an email address to Unicode. Only the Punycoded parts of the input will be converted, i.e. it doesn’t matter if you call it on a string that has already been converted to Unicode.
+
+```js
+// decode domain names
+punycode.toUnicode('xn--maana-pta.com');
+// → 'mañana.com'
+punycode.toUnicode('xn----dqo34k.com');
+// → '☃-⌘.com'
+
+// decode email addresses
+punycode.toUnicode('джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq');
+// → 'джумла@джpумлатест.bрфa'
+```
+
+### `punycode.toASCII(input)`
+
+Converts a lowercased Unicode string representing a domain name or an email address to Punycode. Only the non-ASCII parts of the input will be converted, i.e. it doesn’t matter if you call it with a domain that’s already in ASCII.
+
+```js
+// encode domain names
+punycode.toASCII('mañana.com');
+// → 'xn--maana-pta.com'
+punycode.toASCII('☃-⌘.com');
+// → 'xn----dqo34k.com'
+
+// encode email addresses
+punycode.toASCII('джумла@джpумлатест.bрфa');
+// → 'джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq'
+```
+
+### `punycode.ucs2`
+
+#### `punycode.ucs2.decode(string)`
+
+Creates an array containing the numeric code point values of each Unicode symbol in the string. While [JavaScript uses UCS-2 internally](https://mathiasbynens.be/notes/javascript-encoding), this function will convert a pair of surrogate halves (each of which UCS-2 exposes as separate characters) into a single code point, matching UTF-16.
+
+```js
+punycode.ucs2.decode('abc');
+// → [0x61, 0x62, 0x63]
+// surrogate pair for U+1D306 TETRAGRAM FOR CENTRE:
+punycode.ucs2.decode('\uD834\uDF06');
+// → [0x1D306]
+```
+
+#### `punycode.ucs2.encode(codePoints)`
+
+Creates a string based on an array of numeric code point values.
+
+```js
+punycode.ucs2.encode([0x61, 0x62, 0x63]);
+// → 'abc'
+punycode.ucs2.encode([0x1D306]);
+// → '\uD834\uDF06'
+```
+
+### `punycode.version`
+
+A string representing the current Punycode.js version number.
+
+## Unit tests & code coverage
+
+After cloning this repository, run `npm install --dev` to install the dependencies needed for Punycode.js development and testing. You may want to install Istanbul _globally_ using `npm install istanbul -g`.
+
+Once that’s done, you can run the unit tests in Node using `npm test` or `node tests/tests.js`. To run the tests in Rhino, Ringo, Narwhal, PhantomJS, and web browsers as well, use `grunt test`.
+
+To generate the code coverage report, use `grunt cover`.
+
+Feel free to fork if you see possible improvements!
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## Contributors
+
+| [![twitter/jdalton](https://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter") |
+|---|
+| [John-David Dalton](http://allyoucanleet.com/) |
+
+## License
+
+Punycode.js is available under the [MIT](https://mths.be/mit) license.
diff --git a/node_modules/node-libs-browser/node_modules/punycode/package.json b/node_modules/node-libs-browser/node_modules/punycode/package.json
new file mode 100644
index 00000000..accb5306
--- /dev/null
+++ b/node_modules/node-libs-browser/node_modules/punycode/package.json
@@ -0,0 +1,60 @@
+{
+	"name": "punycode",
+	"version": "1.4.1",
+	"description": "A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.",
+	"homepage": "https://mths.be/punycode",
+	"main": "punycode.js",
+	"keywords": [
+		"punycode",
+		"unicode",
+		"idn",
+		"idna",
+		"dns",
+		"url",
+		"domain"
+	],
+	"license": "MIT",
+	"author": {
+		"name": "Mathias Bynens",
+		"url": "https://mathiasbynens.be/"
+	},
+	"contributors": [
+		{
+			"name": "Mathias Bynens",
+			"url": "https://mathiasbynens.be/"
+		},
+		{
+			"name": "John-David Dalton",
+			"url": "http://allyoucanleet.com/"
+		}
+	],
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/bestiejs/punycode.js.git"
+	},
+	"bugs": "https://github.com/bestiejs/punycode.js/issues",
+	"files": [
+		"LICENSE-MIT.txt",
+		"punycode.js"
+	],
+	"scripts": {
+		"test": "node tests/tests.js"
+	},
+	"devDependencies": {
+		"coveralls": "^2.11.4",
+		"grunt": "^0.4.5",
+		"grunt-contrib-uglify": "^0.11.0",
+		"grunt-shell": "^1.1.2",
+		"istanbul": "^0.4.1",
+		"qunit-extras": "^1.4.4",
+		"qunitjs": "~1.11.0",
+		"requirejs": "^2.1.22"
+	},
+	"jspm": {
+		"map": {
+			"./punycode.js": {
+				"node": "@node/punycode"
+			}
+		}
+	}
+}
diff --git a/node_modules/node-libs-browser/node_modules/punycode/punycode.js b/node_modules/node-libs-browser/node_modules/punycode/punycode.js
new file mode 100644
index 00000000..2c87f6cc
--- /dev/null
+++ b/node_modules/node-libs-browser/node_modules/punycode/punycode.js
@@ -0,0 +1,533 @@
+/*! https://mths.be/punycode v1.4.1 by @mathias */
+;(function(root) {
+
+	/** Detect free variables */
+	var freeExports = typeof exports == 'object' && exports &&
+		!exports.nodeType && exports;
+	var freeModule = typeof module == 'object' && module &&
+		!module.nodeType && module;
+	var freeGlobal = typeof global == 'object' && global;
+	if (
+		freeGlobal.global === freeGlobal ||
+		freeGlobal.window === freeGlobal ||
+		freeGlobal.self === freeGlobal
+	) {
+		root = freeGlobal;
+	}
+
+	/**
+	 * The `punycode` object.
+	 * @name punycode
+	 * @type Object
+	 */
+	var punycode,
+
+	/** Highest positive signed 32-bit float value */
+	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
+
+	/** Bootstring parameters */
+	base = 36,
+	tMin = 1,
+	tMax = 26,
+	skew = 38,
+	damp = 700,
+	initialBias = 72,
+	initialN = 128, // 0x80
+	delimiter = '-', // '\x2D'
+
+	/** Regular expressions */
+	regexPunycode = /^xn--/,
+	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
+	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
+
+	/** Error messages */
+	errors = {
+		'overflow': 'Overflow: input needs wider integers to process',
+		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+		'invalid-input': 'Invalid input'
+	},
+
+	/** Convenience shortcuts */
+	baseMinusTMin = base - tMin,
+	floor = Math.floor,
+	stringFromCharCode = String.fromCharCode,
+
+	/** Temporary variable */
+	key;
+
+	/*--------------------------------------------------------------------------*/
+
+	/**
+	 * A generic error utility function.
+	 * @private
+	 * @param {String} type The error type.
+	 * @returns {Error} Throws a `RangeError` with the applicable error message.
+	 */
+	function error(type) {
+		throw new RangeError(errors[type]);
+	}
+
+	/**
+	 * A generic `Array#map` utility function.
+	 * @private
+	 * @param {Array} array The array to iterate over.
+	 * @param {Function} callback The function that gets called for every array
+	 * item.
+	 * @returns {Array} A new array of values returned by the callback function.
+	 */
+	function map(array, fn) {
+		var length = array.length;
+		var result = [];
+		while (length--) {
+			result[length] = fn(array[length]);
+		}
+		return result;
+	}
+
+	/**
+	 * A simple `Array#map`-like wrapper to work with domain name strings or email
+	 * addresses.
+	 * @private
+	 * @param {String} domain The domain name or email address.
+	 * @param {Function} callback The function that gets called for every
+	 * character.
+	 * @returns {Array} A new string of characters returned by the callback
+	 * function.
+	 */
+	function mapDomain(string, fn) {
+		var parts = string.split('@');
+		var result = '';
+		if (parts.length > 1) {
+			// In email addresses, only the domain name should be punycoded. Leave
+			// the local part (i.e. everything up to `@`) intact.
+			result = parts[0] + '@';
+			string = parts[1];
+		}
+		// Avoid `split(regex)` for IE8 compatibility. See #17.
+		string = string.replace(regexSeparators, '\x2E');
+		var labels = string.split('.');
+		var encoded = map(labels, fn).join('.');
+		return result + encoded;
+	}
+
+	/**
+	 * Creates an array containing the numeric code points of each Unicode
+	 * character in the string. While JavaScript uses UCS-2 internally,
+	 * this function will convert a pair of surrogate halves (each of which
+	 * UCS-2 exposes as separate characters) into a single code point,
+	 * matching UTF-16.
+	 * @see `punycode.ucs2.encode`
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode.ucs2
+	 * @name decode
+	 * @param {String} string The Unicode input string (UCS-2).
+	 * @returns {Array} The new array of code points.
+	 */
+	function ucs2decode(string) {
+		var output = [],
+		    counter = 0,
+		    length = string.length,
+		    value,
+		    extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	/**
+	 * Creates a string based on an array of numeric code points.
+	 * @see `punycode.ucs2.decode`
+	 * @memberOf punycode.ucs2
+	 * @name encode
+	 * @param {Array} codePoints The array of numeric code points.
+	 * @returns {String} The new Unicode string (UCS-2).
+	 */
+	function ucs2encode(array) {
+		return map(array, function(value) {
+			var output = '';
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+			return output;
+		}).join('');
+	}
+
+	/**
+	 * Converts a basic code point into a digit/integer.
+	 * @see `digitToBasic()`
+	 * @private
+	 * @param {Number} codePoint The basic numeric code point value.
+	 * @returns {Number} The numeric value of a basic code point (for use in
+	 * representing integers) in the range `0` to `base - 1`, or `base` if
+	 * the code point does not represent a value.
+	 */
+	function basicToDigit(codePoint) {
+		if (codePoint - 48 < 10) {
+			return codePoint - 22;
+		}
+		if (codePoint - 65 < 26) {
+			return codePoint - 65;
+		}
+		if (codePoint - 97 < 26) {
+			return codePoint - 97;
+		}
+		return base;
+	}
+
+	/**
+	 * Converts a digit/integer into a basic code point.
+	 * @see `basicToDigit()`
+	 * @private
+	 * @param {Number} digit The numeric value of a basic code point.
+	 * @returns {Number} The basic code point whose value (when used for
+	 * representing integers) is `digit`, which needs to be in the range
+	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+	 * used; else, the lowercase form is used. The behavior is undefined
+	 * if `flag` is non-zero and `digit` has no uppercase form.
+	 */
+	function digitToBasic(digit, flag) {
+		//  0..25 map to ASCII a..z or A..Z
+		// 26..35 map to ASCII 0..9
+		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+	}
+
+	/**
+	 * Bias adaptation function as per section 3.4 of RFC 3492.
+	 * https://tools.ietf.org/html/rfc3492#section-3.4
+	 * @private
+	 */
+	function adapt(delta, numPoints, firstTime) {
+		var k = 0;
+		delta = firstTime ? floor(delta / damp) : delta >> 1;
+		delta += floor(delta / numPoints);
+		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+			delta = floor(delta / baseMinusTMin);
+		}
+		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+	}
+
+	/**
+	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+	 * symbols.
+	 * @memberOf punycode
+	 * @param {String} input The Punycode string of ASCII-only symbols.
+	 * @returns {String} The resulting string of Unicode symbols.
+	 */
+	function decode(input) {
+		// Don't use UCS-2
+		var output = [],
+		    inputLength = input.length,
+		    out,
+		    i = 0,
+		    n = initialN,
+		    bias = initialBias,
+		    basic,
+		    j,
+		    index,
+		    oldi,
+		    w,
+		    k,
+		    digit,
+		    t,
+		    /** Cached calculation results */
+		    baseMinusT;
+
+		// Handle the basic code points: let `basic` be the number of input code
+		// points before the last delimiter, or `0` if there is none, then copy
+		// the first basic code points to the output.
+
+		basic = input.lastIndexOf(delimiter);
+		if (basic < 0) {
+			basic = 0;
+		}
+
+		for (j = 0; j < basic; ++j) {
+			// if it's not a basic code point
+			if (input.charCodeAt(j) >= 0x80) {
+				error('not-basic');
+			}
+			output.push(input.charCodeAt(j));
+		}
+
+		// Main decoding loop: start just after the last delimiter if any basic code
+		// points were copied; start at the beginning otherwise.
+
+		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+			// `index` is the index of the next character to be consumed.
+			// Decode a generalized variable-length integer into `delta`,
+			// which gets added to `i`. The overflow checking is easier
+			// if we increase `i` as we go, then subtract off its starting
+			// value at the end to obtain `delta`.
+			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
+
+				if (index >= inputLength) {
+					error('invalid-input');
+				}
+
+				digit = basicToDigit(input.charCodeAt(index++));
+
+				if (digit >= base || digit > floor((maxInt - i) / w)) {
+					error('overflow');
+				}
+
+				i += digit * w;
+				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+				if (digit < t) {
+					break;
+				}
+
+				baseMinusT = base - t;
+				if (w > floor(maxInt / baseMinusT)) {
+					error('overflow');
+				}
+
+				w *= baseMinusT;
+
+			}
+
+			out = output.length + 1;
+			bias = adapt(i - oldi, out, oldi == 0);
+
+			// `i` was supposed to wrap around from `out` to `0`,
+			// incrementing `n` each time, so we'll fix that now:
+			if (floor(i / out) > maxInt - n) {
+				error('overflow');
+			}
+
+			n += floor(i / out);
+			i %= out;
+
+			// Insert `n` at position `i` of the output
+			output.splice(i++, 0, n);
+
+		}
+
+		return ucs2encode(output);
+	}
+
+	/**
+	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
+	 * Punycode string of ASCII-only symbols.
+	 * @memberOf punycode
+	 * @param {String} input The string of Unicode symbols.
+	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
+	 */
+	function encode(input) {
+		var n,
+		    delta,
+		    handledCPCount,
+		    basicLength,
+		    bias,
+		    j,
+		    m,
+		    q,
+		    k,
+		    t,
+		    currentValue,
+		    output = [],
+		    /** `inputLength` will hold the number of code points in `input`. */
+		    inputLength,
+		    /** Cached calculation results */
+		    handledCPCountPlusOne,
+		    baseMinusT,
+		    qMinusT;
+
+		// Convert the input in UCS-2 to Unicode
+		input = ucs2decode(input);
+
+		// Cache the length
+		inputLength = input.length;
+
+		// Initialize the state
+		n = initialN;
+		delta = 0;
+		bias = initialBias;
+
+		// Handle the basic code points
+		for (j = 0; j < inputLength; ++j) {
+			currentValue = input[j];
+			if (currentValue < 0x80) {
+				output.push(stringFromCharCode(currentValue));
+			}
+		}
+
+		handledCPCount = basicLength = output.length;
+
+		// `handledCPCount` is the number of code points that have been handled;
+		// `basicLength` is the number of basic code points.
+
+		// Finish the basic string - if it is not empty - with a delimiter
+		if (basicLength) {
+			output.push(delimiter);
+		}
+
+		// Main encoding loop:
+		while (handledCPCount < inputLength) {
+
+			// All non-basic code points < n have been handled already. Find the next
+			// larger one:
+			for (m = maxInt, j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow
+			handledCPCountPlusOne = handledCPCount + 1;
+			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+				error('overflow');
+			}
+
+			delta += (m - n) * handledCPCountPlusOne;
+			n = m;
+
+			for (j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+
+				if (currentValue < n && ++delta > maxInt) {
+					error('overflow');
+				}
+
+				if (currentValue == n) {
+					// Represent delta as a generalized variable-length integer
+					for (q = delta, k = base; /* no condition */; k += base) {
+						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+						if (q < t) {
+							break;
+						}
+						qMinusT = q - t;
+						baseMinusT = base - t;
+						output.push(
+							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+						);
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+
+			++delta;
+			++n;
+
+		}
+		return output.join('');
+	}
+
+	/**
+	 * Converts a Punycode string representing a domain name or an email address
+	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+	 * it doesn't matter if you call it on a string that has already been
+	 * converted to Unicode.
+	 * @memberOf punycode
+	 * @param {String} input The Punycoded domain name or email address to
+	 * convert to Unicode.
+	 * @returns {String} The Unicode representation of the given Punycode
+	 * string.
+	 */
+	function toUnicode(input) {
+		return mapDomain(input, function(string) {
+			return regexPunycode.test(string)
+				? decode(string.slice(4).toLowerCase())
+				: string;
+		});
+	}
+
+	/**
+	 * Converts a Unicode string representing a domain name or an email address to
+	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
+	 * i.e. it doesn't matter if you call it with a domain that's already in
+	 * ASCII.
+	 * @memberOf punycode
+	 * @param {String} input The domain name or email address to convert, as a
+	 * Unicode string.
+	 * @returns {String} The Punycode representation of the given domain name or
+	 * email address.
+	 */
+	function toASCII(input) {
+		return mapDomain(input, function(string) {
+			return regexNonASCII.test(string)
+				? 'xn--' + encode(string)
+				: string;
+		});
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	/** Define the public API */
+	punycode = {
+		/**
+		 * A string representing the current Punycode.js version number.
+		 * @memberOf punycode
+		 * @type String
+		 */
+		'version': '1.4.1',
+		/**
+		 * An object of methods to convert from JavaScript's internal character
+		 * representation (UCS-2) to Unicode code points, and back.
+		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+		 * @memberOf punycode
+		 * @type Object
+		 */
+		'ucs2': {
+			'decode': ucs2decode,
+			'encode': ucs2encode
+		},
+		'decode': decode,
+		'encode': encode,
+		'toASCII': toASCII,
+		'toUnicode': toUnicode
+	};
+
+	/** Expose `punycode` */
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define('punycode', function() {
+			return punycode;
+		});
+	} else if (freeExports && freeModule) {
+		if (module.exports == freeExports) {
+			// in Node.js, io.js, or RingoJS v0.8.0+
+			freeModule.exports = punycode;
+		} else {
+			// in Narwhal or RingoJS v0.7.0-
+			for (key in punycode) {
+				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
+			}
+		}
+	} else {
+		// in Rhino or a web browser
+		root.punycode = punycode;
+	}
+
+}(this));
diff --git a/node_modules/node-libs-browser/package.json b/node_modules/node-libs-browser/package.json
new file mode 100644
index 00000000..5ae8cd5c
--- /dev/null
+++ b/node_modules/node-libs-browser/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "node-libs-browser",
+  "version": "2.2.1",
+  "author": "Tobias Koppers @sokra",
+  "description": "The node core libs for in browser usage.",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/webpack/node-libs-browser.git"
+  },
+  "dependencies": {
+    "assert": "^1.1.1",
+    "browserify-zlib": "^0.2.0",
+    "buffer": "^4.3.0",
+    "console-browserify": "^1.1.0",
+    "constants-browserify": "^1.0.0",
+    "crypto-browserify": "^3.11.0",
+    "domain-browser": "^1.1.1",
+    "events": "^3.0.0",
+    "https-browserify": "^1.0.0",
+    "os-browserify": "^0.3.0",
+    "path-browserify": "0.0.1",
+    "process": "^0.11.10",
+    "punycode": "^1.2.4",
+    "querystring-es3": "^0.2.0",
+    "readable-stream": "^2.3.3",
+    "stream-browserify": "^2.0.1",
+    "stream-http": "^2.7.2",
+    "string_decoder": "^1.0.0",
+    "timers-browserify": "^2.0.4",
+    "tty-browserify": "0.0.0",
+    "url": "^0.11.0",
+    "util": "^0.11.0",
+    "vm-browserify": "^1.0.1"
+  },
+  "homepage": "http://github.com/webpack/node-libs-browser",
+  "main": "index.js",
+  "files": [
+    "index.js",
+    "mock/"
+  ],
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/node-libs-browser/issues"
+  }
+}
diff --git a/node_modules/normalize-path/LICENSE b/node_modules/normalize-path/LICENSE
new file mode 100644
index 00000000..d32ab442
--- /dev/null
+++ b/node_modules/normalize-path/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/normalize-path/README.md b/node_modules/normalize-path/README.md
new file mode 100644
index 00000000..726d4d68
--- /dev/null
+++ b/node_modules/normalize-path/README.md
@@ -0,0 +1,127 @@
+# normalize-path [![NPM version](https://img.shields.io/npm/v/normalize-path.svg?style=flat)](https://www.npmjs.com/package/normalize-path) [![NPM monthly downloads](https://img.shields.io/npm/dm/normalize-path.svg?style=flat)](https://npmjs.org/package/normalize-path) [![NPM total downloads](https://img.shields.io/npm/dt/normalize-path.svg?style=flat)](https://npmjs.org/package/normalize-path) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/normalize-path.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/normalize-path)
+
+> Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save normalize-path
+```
+
+## Usage
+
+```js
+const normalize = require('normalize-path');
+
+console.log(normalize('\\foo\\bar\\baz\\')); 
+//=> '/foo/bar/baz'
+```
+
+**win32 namespaces**
+
+```js
+console.log(normalize('\\\\?\\UNC\\Server01\\user\\docs\\Letter.txt')); 
+//=> '//?/UNC/Server01/user/docs/Letter.txt'
+
+console.log(normalize('\\\\.\\CdRomX')); 
+//=> '//./CdRomX'
+```
+
+**Consecutive slashes**
+
+Condenses multiple consecutive forward slashes (except for leading slashes in win32 namespaces) to a single slash.
+
+```js
+console.log(normalize('.//foo//bar///////baz/')); 
+//=> './foo/bar/baz'
+```
+
+### Trailing slashes
+
+By default trailing slashes are removed. Pass `false` as the last argument to disable this behavior and _**keep** trailing slashes_:
+
+```js
+console.log(normalize('foo\\bar\\baz\\', false)); //=> 'foo/bar/baz/'
+console.log(normalize('./foo/bar/baz/', false)); //=> './foo/bar/baz/'
+```
+
+## Release history
+
+### v3.0
+
+No breaking changes in this release.
+
+* a check was added to ensure that [win32 namespaces](https://msdn.microsoft.com/library/windows/desktop/aa365247(v=vs.85).aspx#namespaces) are handled properly by win32 `path.parse()` after a path has been normalized by this library.
+* a minor optimization was made to simplify how the trailing separator was handled
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+Other useful path-related libraries:
+
+* [contains-path](https://www.npmjs.com/package/contains-path): Return true if a file path contains the given path. | [homepage](https://github.com/jonschlinkert/contains-path "Return true if a file path contains the given path.")
+* [is-absolute](https://www.npmjs.com/package/is-absolute): Returns true if a file path is absolute. Does not rely on the path module… [more](https://github.com/jonschlinkert/is-absolute) | [homepage](https://github.com/jonschlinkert/is-absolute "Returns true if a file path is absolute. Does not rely on the path module and can be used as a polyfill for node.js native `path.isAbolute`.")
+* [is-relative](https://www.npmjs.com/package/is-relative): Returns `true` if the path appears to be relative. | [homepage](https://github.com/jonschlinkert/is-relative "Returns `true` if the path appears to be relative.")
+* [parse-filepath](https://www.npmjs.com/package/parse-filepath): Pollyfill for node.js `path.parse`, parses a filepath into an object. | [homepage](https://github.com/jonschlinkert/parse-filepath "Pollyfill for node.js `path.parse`, parses a filepath into an object.")
+* [path-ends-with](https://www.npmjs.com/package/path-ends-with): Return `true` if a file path ends with the given string/suffix. | [homepage](https://github.com/jonschlinkert/path-ends-with "Return `true` if a file path ends with the given string/suffix.")
+* [unixify](https://www.npmjs.com/package/unixify): Convert Windows file paths to unix paths. | [homepage](https://github.com/jonschlinkert/unixify "Convert Windows file paths to unix paths.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 35 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [phated](https://github.com/phated) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on April 19, 2018._
\ No newline at end of file
diff --git a/node_modules/normalize-path/index.js b/node_modules/normalize-path/index.js
new file mode 100644
index 00000000..6fac553a
--- /dev/null
+++ b/node_modules/normalize-path/index.js
@@ -0,0 +1,35 @@
+/*!
+ * normalize-path <https://github.com/jonschlinkert/normalize-path>
+ *
+ * Copyright (c) 2014-2018, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+module.exports = function(path, stripTrailing) {
+  if (typeof path !== 'string') {
+    throw new TypeError('expected path to be a string');
+  }
+
+  if (path === '\\' || path === '/') return '/';
+
+  var len = path.length;
+  if (len <= 1) return path;
+
+  // ensure that win32 namespaces has two leading slashes, so that the path is
+  // handled properly by the win32 version of path.parse() after being normalized
+  // https://msdn.microsoft.com/library/windows/desktop/aa365247(v=vs.85).aspx#namespaces
+  var prefix = '';
+  if (len > 4 && path[3] === '\\') {
+    var ch = path[2];
+    if ((ch === '?' || ch === '.') && path.slice(0, 2) === '\\\\') {
+      path = path.slice(2);
+      prefix = '//';
+    }
+  }
+
+  var segs = path.split(/[/\\]+/);
+  if (stripTrailing !== false && segs[segs.length - 1] === '') {
+    segs.pop();
+  }
+  return prefix + segs.join('/');
+};
diff --git a/node_modules/normalize-path/package.json b/node_modules/normalize-path/package.json
new file mode 100644
index 00000000..ad61098a
--- /dev/null
+++ b/node_modules/normalize-path/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "normalize-path",
+  "description": "Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.",
+  "version": "3.0.0",
+  "homepage": "https://github.com/jonschlinkert/normalize-path",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Blaine Bublitz (https://twitter.com/BlaineBublitz)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/normalize-path",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/normalize-path/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "absolute",
+    "backslash",
+    "delimiter",
+    "file",
+    "file-path",
+    "filepath",
+    "fix",
+    "forward",
+    "fp",
+    "fs",
+    "normalize",
+    "path",
+    "relative",
+    "separator",
+    "slash",
+    "slashes",
+    "trailing",
+    "unix",
+    "urix"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "description": "Other useful path-related libraries:",
+      "list": [
+        "contains-path",
+        "is-absolute",
+        "is-relative",
+        "parse-filepath",
+        "path-ends-with",
+        "path-ends-with",
+        "unixify"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/object-copy/LICENSE b/node_modules/object-copy/LICENSE
new file mode 100644
index 00000000..e28e6032
--- /dev/null
+++ b/node_modules/object-copy/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/object-copy/index.js b/node_modules/object-copy/index.js
new file mode 100644
index 00000000..f9faa223
--- /dev/null
+++ b/node_modules/object-copy/index.js
@@ -0,0 +1,174 @@
+'use strict';
+
+var typeOf = require('kind-of');
+var copyDescriptor = require('copy-descriptor');
+var define = require('define-property');
+
+/**
+ * Copy static properties, prototype properties, and descriptors from one object to another.
+ *
+ * ```js
+ * function App() {}
+ * var proto = App.prototype;
+ * App.prototype.set = function() {};
+ * App.prototype.get = function() {};
+ *
+ * var obj = {};
+ * copy(obj, proto);
+ * ```
+ * @param {Object} `receiver`
+ * @param {Object} `provider`
+ * @param {String|Array} `omit` One or more properties to omit
+ * @return {Object}
+ * @api public
+ */
+
+function copy(receiver, provider, omit) {
+  if (!isObject(receiver)) {
+    throw new TypeError('expected receiving object to be an object.');
+  }
+  if (!isObject(provider)) {
+    throw new TypeError('expected providing object to be an object.');
+  }
+
+  var props = nativeKeys(provider);
+  var keys = Object.keys(provider);
+  var len = props.length;
+  omit = arrayify(omit);
+
+  while (len--) {
+    var key = props[len];
+
+    if (has(keys, key)) {
+      define(receiver, key, provider[key]);
+    } else if (!(key in receiver) && !has(omit, key)) {
+      copyDescriptor(receiver, provider, key);
+    }
+  }
+};
+
+/**
+ * Return true if the given value is an object or function
+ */
+
+function isObject(val) {
+  return typeOf(val) === 'object' || typeof val === 'function';
+}
+
+/**
+ * Returns true if an array has any of the given elements, or an
+ * object has any of the give keys.
+ *
+ * ```js
+ * has(['a', 'b', 'c'], 'c');
+ * //=> true
+ *
+ * has(['a', 'b', 'c'], ['c', 'z']);
+ * //=> true
+ *
+ * has({a: 'b', c: 'd'}, ['c', 'z']);
+ * //=> true
+ * ```
+ * @param {Object} `obj`
+ * @param {String|Array} `val`
+ * @return {Boolean}
+ */
+
+function has(obj, val) {
+  val = arrayify(val);
+  var len = val.length;
+
+  if (isObject(obj)) {
+    for (var key in obj) {
+      if (val.indexOf(key) > -1) {
+        return true;
+      }
+    }
+
+    var keys = nativeKeys(obj);
+    return has(keys, val);
+  }
+
+  if (Array.isArray(obj)) {
+    var arr = obj;
+    while (len--) {
+      if (arr.indexOf(val[len]) > -1) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  throw new TypeError('expected an array or object.');
+}
+
+/**
+ * Cast the given value to an array.
+ *
+ * ```js
+ * arrayify('foo');
+ * //=> ['foo']
+ *
+ * arrayify(['foo']);
+ * //=> ['foo']
+ * ```
+ *
+ * @param {String|Array} `val`
+ * @return {Array}
+ */
+
+function arrayify(val) {
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+}
+
+/**
+ * Returns true if a value has a `contructor`
+ *
+ * ```js
+ * hasConstructor({});
+ * //=> true
+ *
+ * hasConstructor(Object.create(null));
+ * //=> false
+ * ```
+ * @param  {Object} `value`
+ * @return {Boolean}
+ */
+
+function hasConstructor(val) {
+  return isObject(val) && typeof val.constructor !== 'undefined';
+}
+
+/**
+ * Get the native `ownPropertyNames` from the constructor of the
+ * given `object`. An empty array is returned if the object does
+ * not have a constructor.
+ *
+ * ```js
+ * nativeKeys({a: 'b', b: 'c', c: 'd'})
+ * //=> ['a', 'b', 'c']
+ *
+ * nativeKeys(function(){})
+ * //=> ['length', 'caller']
+ * ```
+ *
+ * @param  {Object} `obj` Object that has a `constructor`.
+ * @return {Array} Array of keys.
+ */
+
+function nativeKeys(val) {
+  if (!hasConstructor(val)) return [];
+  return Object.getOwnPropertyNames(val);
+}
+
+/**
+ * Expose `copy`
+ */
+
+module.exports = copy;
+
+/**
+ * Expose `copy.has` for tests
+ */
+
+module.exports.has = has;
diff --git a/node_modules/object-copy/node_modules/define-property/LICENSE b/node_modules/object-copy/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/object-copy/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/object-copy/node_modules/define-property/README.md b/node_modules/object-copy/node_modules/define-property/README.md
new file mode 100644
index 00000000..8cac698a
--- /dev/null
+++ b/node_modules/object-copy/node_modules/define-property/README.md
@@ -0,0 +1,77 @@
+# define-property [![NPM version](https://badge.fury.io/js/define-property.svg)](http://badge.fury.io/js/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i define-property --save
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## Related projects
+
+* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
+* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-object)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 31, 2015._
diff --git a/node_modules/object-copy/node_modules/define-property/index.js b/node_modules/object-copy/node_modules/define-property/index.js
new file mode 100644
index 00000000..3e0e5e13
--- /dev/null
+++ b/node_modules/object-copy/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/object-copy/node_modules/define-property/package.json b/node_modules/object-copy/node_modules/define-property/package.json
new file mode 100644
index 00000000..43561bf5
--- /dev/null
+++ b/node_modules/object-copy/node_modules/define-property/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "0.2.5",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "mixin-deep",
+        "mixin-object",
+        "delegate-object",
+        "forward-object"
+      ]
+    }
+  },
+  "dependencies": {
+    "is-descriptor": "^0.1.0"
+  }
+}
diff --git a/node_modules/object-copy/node_modules/is-descriptor/.editorconfig b/node_modules/object-copy/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/object-copy/node_modules/is-descriptor/.eslintrc b/node_modules/object-copy/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/object-copy/node_modules/is-descriptor/.gitattributes b/node_modules/object-copy/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/object-copy/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/object-copy/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/object-copy/node_modules/is-descriptor/.nycrc b/node_modules/object-copy/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/object-copy/node_modules/is-descriptor/CHANGELOG.md b/node_modules/object-copy/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..4963353e
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,144 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.7...v1.0.0) - 2017-02-25
+
+## [v0.1.7](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v0.1.7) - 2023-10-26
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- v0.x line: v1 and v0 are the same, so, branch v0 from 1.x [`91be723`](https://github.com/inspect-js/is-descriptor/commit/91be72399c3066950d2414a6d2f091e1074625cd)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/object-copy/node_modules/is-descriptor/LICENSE b/node_modules/object-copy/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/object-copy/node_modules/is-descriptor/README.md b/node_modules/object-copy/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/object-copy/node_modules/is-descriptor/index.js b/node_modules/object-copy/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/object-copy/node_modules/is-descriptor/package.json b/node_modules/object-copy/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..6d6ca8ba
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "0.1.7",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/object-copy/node_modules/is-descriptor/test/index.js b/node_modules/object-copy/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/object-copy/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/object-copy/node_modules/kind-of/LICENSE b/node_modules/object-copy/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/object-copy/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/object-copy/node_modules/kind-of/README.md b/node_modules/object-copy/node_modules/kind-of/README.md
new file mode 100644
index 00000000..6a9df36d
--- /dev/null
+++ b/node_modules/object-copy/node_modules/kind-of/README.md
@@ -0,0 +1,261 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+## Install
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Usage
+
+> es5, browser and es6 ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Boolean(true));
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf(new Number(42));
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(new String('str'));
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([]);
+//=> 'array'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(new Array());
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'function'
+
+kindOf(new Function());
+//=> 'function'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `WeakSet`.
+
+```bash
+#1: array
+  current x 23,329,397 ops/sec ±0.82% (94 runs sampled)
+  lib-type-of x 4,170,273 ops/sec ±0.55% (94 runs sampled)
+  lib-typeof x 9,686,935 ops/sec ±0.59% (98 runs sampled)
+
+#2: boolean
+  current x 27,197,115 ops/sec ±0.85% (94 runs sampled)
+  lib-type-of x 3,145,791 ops/sec ±0.73% (97 runs sampled)
+  lib-typeof x 9,199,562 ops/sec ±0.44% (99 runs sampled)
+
+#3: date
+  current x 20,190,117 ops/sec ±0.86% (92 runs sampled)
+  lib-type-of x 5,166,970 ops/sec ±0.74% (94 runs sampled)
+  lib-typeof x 9,610,821 ops/sec ±0.50% (96 runs sampled)
+
+#4: function
+  current x 23,855,460 ops/sec ±0.60% (97 runs sampled)
+  lib-type-of x 5,667,740 ops/sec ±0.54% (100 runs sampled)
+  lib-typeof x 10,010,644 ops/sec ±0.44% (100 runs sampled)
+
+#5: null
+  current x 27,061,047 ops/sec ±0.97% (96 runs sampled)
+  lib-type-of x 13,965,573 ops/sec ±0.62% (97 runs sampled)
+  lib-typeof x 8,460,194 ops/sec ±0.61% (97 runs sampled)
+
+#6: number
+  current x 25,075,682 ops/sec ±0.53% (99 runs sampled)
+  lib-type-of x 2,266,405 ops/sec ±0.41% (98 runs sampled)
+  lib-typeof x 9,821,481 ops/sec ±0.45% (99 runs sampled)
+
+#7: object
+  current x 3,348,980 ops/sec ±0.49% (99 runs sampled)
+  lib-type-of x 3,245,138 ops/sec ±0.60% (94 runs sampled)
+  lib-typeof x 9,262,952 ops/sec ±0.59% (99 runs sampled)
+
+#8: regex
+  current x 21,284,827 ops/sec ±0.72% (96 runs sampled)
+  lib-type-of x 4,689,241 ops/sec ±0.43% (100 runs sampled)
+  lib-typeof x 8,957,593 ops/sec ±0.62% (98 runs sampled)
+
+#9: string
+  current x 25,379,234 ops/sec ±0.58% (96 runs sampled)
+  lib-type-of x 3,635,148 ops/sec ±0.76% (93 runs sampled)
+  lib-typeof x 9,494,134 ops/sec ±0.49% (98 runs sampled)
+
+#10: undef
+  current x 27,459,221 ops/sec ±1.01% (93 runs sampled)
+  lib-type-of x 14,360,433 ops/sec ±0.52% (99 runs sampled)
+  lib-typeof x 23,202,868 ops/sec ±0.59% (94 runs sampled)
+
+```
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+
+## About
+
+### Related projects
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [miguelmota](https://github.com/miguelmota) |
+| 1 | [dtothefp](https://github.com/dtothefp) |
+| 1 | [ksheedlo](https://github.com/ksheedlo) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+| 1 | [laggingreflex](https://github.com/laggingreflex) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 16, 2017._
\ No newline at end of file
diff --git a/node_modules/object-copy/node_modules/kind-of/index.js b/node_modules/object-copy/node_modules/kind-of/index.js
new file mode 100644
index 00000000..b52c2917
--- /dev/null
+++ b/node_modules/object-copy/node_modules/kind-of/index.js
@@ -0,0 +1,116 @@
+var isBuffer = require('is-buffer');
+var toString = Object.prototype.toString;
+
+/**
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
+ */
+
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
+  }
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};
diff --git a/node_modules/object-copy/node_modules/kind-of/package.json b/node_modules/object-copy/node_modules/kind-of/package.json
new file mode 100644
index 00000000..5de879e1
--- /dev/null
+++ b/node_modules/object-copy/node_modules/kind-of/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "3.2.2",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "dependencies": {
+    "is-buffer": "^1.1.5"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "benchmarked": "^1.0.0",
+    "browserify": "^14.3.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.3.0",
+    "type-of": "^2.0.1",
+    "typeof": "^1.0.0"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/object-copy/package.json b/node_modules/object-copy/package.json
new file mode 100644
index 00000000..f02a96cd
--- /dev/null
+++ b/node_modules/object-copy/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "object-copy",
+  "description": "Copy static properties, prototype properties, and descriptors from one object to another.",
+  "version": "0.1.0",
+  "homepage": "https://github.com/jonschlinkert/object-copy",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/object-copy",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/object-copy/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "copy-descriptor": "^0.1.0",
+    "define-property": "^0.2.5",
+    "kind-of": "^3.0.3"
+  },
+  "devDependencies": {
+    "gulp-format-md": "*",
+    "mocha": "*"
+  },
+  "keywords": [
+    "copy",
+    "object"
+  ],
+  "verb": {
+    "layout": "default",
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": []
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/object-inspect/.eslintrc b/node_modules/object-inspect/.eslintrc
new file mode 100644
index 00000000..21f90392
--- /dev/null
+++ b/node_modules/object-inspect/.eslintrc
@@ -0,0 +1,53 @@
+{
+    "root": true,
+    "extends": "@ljharb",
+    "rules": {
+        "complexity": 0,
+        "func-style": [2, "declaration"],
+        "indent": [2, 4],
+        "max-lines": 1,
+        "max-lines-per-function": 1,
+        "max-params": [2, 4],
+        "max-statements": 0,
+        "max-statements-per-line": [2, { "max": 2 }],
+        "no-magic-numbers": 0,
+        "no-param-reassign": 1,
+        "strict": 0, // TODO
+    },
+    "overrides": [
+        {
+            "files": ["test/**", "test-*", "example/**"],
+            "extends": "@ljharb/eslint-config/tests",
+            "rules": {
+              "id-length": 0,
+            },
+        },
+        {
+            "files": ["example/**"],
+            "rules": {
+                "no-console": 0,
+            },
+        },
+        {
+            "files": ["test/browser/**"],
+            "env": {
+                "browser": true,
+            },
+        },
+        {
+            "files": ["test/bigint*"],
+            "rules": {
+                "new-cap": [2, { "capIsNewExceptions": ["BigInt"] }],
+            },
+        },
+        {
+            "files": "index.js",
+            "globals": {
+                "HTMLElement": false,
+            },
+            "rules": {
+                "no-use-before-define": 1,
+            },
+        },
+    ],
+}
diff --git a/node_modules/object-inspect/.github/FUNDING.yml b/node_modules/object-inspect/.github/FUNDING.yml
new file mode 100644
index 00000000..730276bd
--- /dev/null
+++ b/node_modules/object-inspect/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/object-inspect
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/object-inspect/.nycrc b/node_modules/object-inspect/.nycrc
new file mode 100644
index 00000000..58a5db78
--- /dev/null
+++ b/node_modules/object-inspect/.nycrc
@@ -0,0 +1,13 @@
+{
+  "all": true,
+  "check-coverage": false,
+  "instrumentation": false,
+  "sourceMap": false,
+  "reporter": ["text-summary", "text", "html", "json"],
+  "exclude": [
+    "coverage",
+    "example",
+    "test",
+    "test-core-js.js"
+  ]
+}
diff --git a/node_modules/object-inspect/CHANGELOG.md b/node_modules/object-inspect/CHANGELOG.md
new file mode 100644
index 00000000..bdf90027
--- /dev/null
+++ b/node_modules/object-inspect/CHANGELOG.md
@@ -0,0 +1,424 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.13.4](https://github.com/inspect-js/object-inspect/compare/v1.13.3...v1.13.4) - 2025-02-04
+
+### Commits
+
+- [Fix] avoid being fooled by a `Symbol.toStringTag` [`fa5870d`](https://github.com/inspect-js/object-inspect/commit/fa5870da468a525d2f20193700f70752f506cbf7)
+- [Tests] fix tests in node v6.0 - v6.4 [`2abfe1b`](https://github.com/inspect-js/object-inspect/commit/2abfe1bc3c69f9293c07c5cd65a9d7d87a628b84)
+- [Dev Deps] update `es-value-fixtures`, `for-each`, `has-symbols` [`3edfb01`](https://github.com/inspect-js/object-inspect/commit/3edfb01cc8cce220fba0dfdfe2dc8bc955758cdd)
+
+## [v1.13.3](https://github.com/inspect-js/object-inspect/compare/v1.13.2...v1.13.3) - 2024-11-09
+
+### Commits
+
+- [actions] split out node 10-20, and 20+ [`44395a8`](https://github.com/inspect-js/object-inspect/commit/44395a8fc1deda6718a5e125e86b9ffcaa1c7580)
+- [Fix] `quoteStyle`: properly escape only the containing quotes [`5137f8f`](https://github.com/inspect-js/object-inspect/commit/5137f8f7bea69a7fc671bb683fd35f244f38fc52)
+- [Refactor] clean up `quoteStyle` code [`450680c`](https://github.com/inspect-js/object-inspect/commit/450680cd50de4e689ee3b8e1d6db3a1bcf3fc18c)
+- [Tests] add `quoteStyle` escaping tests [`e997c59`](https://github.com/inspect-js/object-inspect/commit/e997c595aeaea84fd98ca35d7e1c3b5ab3ae26e0)
+- [Dev Deps] update `auto-changelog`, `es-value-fixtures`, `tape` [`d5a469c`](https://github.com/inspect-js/object-inspect/commit/d5a469c99ec07ccaeafc36ac4b36a93285086d48)
+- [Tests] replace `aud` with `npm audit` [`fb7815f`](https://github.com/inspect-js/object-inspect/commit/fb7815f9b72cae277a04f65bbb0543f85b88be62)
+- [Dev Deps] update `mock-property` [`11c817b`](https://github.com/inspect-js/object-inspect/commit/11c817bf10392aa017755962ba6bc89d731359ee)
+
+## [v1.13.2](https://github.com/inspect-js/object-inspect/compare/v1.13.1...v1.13.2) - 2024-06-21
+
+### Commits
+
+- [readme] update badges [`8a51e6b`](https://github.com/inspect-js/object-inspect/commit/8a51e6bedaf389ec40cc4659e9df53e8543d176e)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`ef05f58`](https://github.com/inspect-js/object-inspect/commit/ef05f58c9761a41416ab907299bf0fa79517014b)
+- [Dev Deps] update `error-cause`, `has-tostringtag`, `tape` [`c0c6c26`](https://github.com/inspect-js/object-inspect/commit/c0c6c26c44cee6671f7c5d43d2b91d27c5c00d90)
+- [Fix] Don't throw when `global` is not defined [`d4d0965`](https://github.com/inspect-js/object-inspect/commit/d4d096570f7dbd0e03266a96de11d05eb7b63e0f)
+- [meta] add missing `engines.node` [`17a352a`](https://github.com/inspect-js/object-inspect/commit/17a352af6fe1ba6b70a19081674231eb1a50c940)
+- [Dev Deps] update `globalthis` [`9c08884`](https://github.com/inspect-js/object-inspect/commit/9c08884aa662a149e2f11403f413927736b97da7)
+- [Dev Deps] update `error-cause` [`6af352d`](https://github.com/inspect-js/object-inspect/commit/6af352d7c3929a4cc4c55768c27bf547a5e900f4)
+- [Dev Deps] update `npmignore` [`94e617d`](https://github.com/inspect-js/object-inspect/commit/94e617d38831722562fa73dff4c895746861d267)
+- [Dev Deps] update `mock-property` [`2ac24d7`](https://github.com/inspect-js/object-inspect/commit/2ac24d7e58cd388ad093c33249e413e05bbfd6c3)
+- [Dev Deps] update `tape` [`46125e5`](https://github.com/inspect-js/object-inspect/commit/46125e58f1d1dcfb170ed3d1ea69da550ea8d77b)
+
+## [v1.13.1](https://github.com/inspect-js/object-inspect/compare/v1.13.0...v1.13.1) - 2023-10-19
+
+### Commits
+
+- [Fix] in IE 8, global can !== window despite them being prototypes of each other [`30d0859`](https://github.com/inspect-js/object-inspect/commit/30d0859dc4606cf75c2410edcd5d5c6355f8d372)
+
+## [v1.13.0](https://github.com/inspect-js/object-inspect/compare/v1.12.3...v1.13.0) - 2023-10-14
+
+### Commits
+
+- [New] add special handling for the global object [`431bab2`](https://github.com/inspect-js/object-inspect/commit/431bab21a490ee51d35395966a504501e8c685da)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`fd4f619`](https://github.com/inspect-js/object-inspect/commit/fd4f6193562b4b0e95dcf5c0201b4e8cbbc4f58d)
+- [Dev Deps] update `mock-property`, `tape` [`b453f6c`](https://github.com/inspect-js/object-inspect/commit/b453f6ceeebf8a1b738a1029754092e0367a4134)
+- [Dev Deps] update `error-cause` [`e8ffc57`](https://github.com/inspect-js/object-inspect/commit/e8ffc577d73b92bb6a4b00c44f14e3319e374888)
+- [Dev Deps] update `tape` [`054b8b9`](https://github.com/inspect-js/object-inspect/commit/054b8b9b98633284cf989e582450ebfbbe53503c)
+- [Dev Deps] temporarily remove `aud` due to breaking change in transitive deps [`2476845`](https://github.com/inspect-js/object-inspect/commit/2476845e0678dd290c541c81cd3dec8420782c52)
+- [Dev Deps] pin `glob`, since v10.3.8+ requires a broken `jackspeak` [`383fa5e`](https://github.com/inspect-js/object-inspect/commit/383fa5eebc0afd705cc778a4b49d8e26452e49a8)
+- [Dev Deps] pin `jackspeak` since 2.1.2+ depends on npm aliases, which kill the install process in npm &lt; 6 [`68c244c`](https://github.com/inspect-js/object-inspect/commit/68c244c5174cdd877e5dcb8ee90aa3f44b2f25be)
+
+## [v1.12.3](https://github.com/inspect-js/object-inspect/compare/v1.12.2...v1.12.3) - 2023-01-12
+
+### Commits
+
+- [Fix] in eg FF 24, collections lack forEach [`75fc226`](https://github.com/inspect-js/object-inspect/commit/75fc22673c82d45f28322b1946bb0eb41b672b7f)
+- [actions] update rebase action to use reusable workflow [`250a277`](https://github.com/inspect-js/object-inspect/commit/250a277a095e9dacc029ab8454dcfc15de549dcd)
+- [Dev Deps] update `aud`, `es-value-fixtures`, `tape` [`66a19b3`](https://github.com/inspect-js/object-inspect/commit/66a19b3209ccc3c5ef4b34c3cb0160e65d1ce9d5)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `error-cause` [`c43d332`](https://github.com/inspect-js/object-inspect/commit/c43d3324b48384a16fd3dc444e5fc589d785bef3)
+- [Tests] add `@pkgjs/support` to `postlint` [`e2618d2`](https://github.com/inspect-js/object-inspect/commit/e2618d22a7a3fa361b6629b53c1752fddc9c4d80)
+
+## [v1.12.2](https://github.com/inspect-js/object-inspect/compare/v1.12.1...v1.12.2) - 2022-05-26
+
+### Commits
+
+- [Fix] use `util.inspect` for a custom inspection symbol method [`e243bf2`](https://github.com/inspect-js/object-inspect/commit/e243bf2eda6c4403ac6f1146fddb14d12e9646c1)
+- [meta] add support info [`ca20ba3`](https://github.com/inspect-js/object-inspect/commit/ca20ba35713c17068ca912a86c542f5e8acb656c)
+- [Fix] ignore `cause` in node v16.9 and v16.10 where it has a bug [`86aa553`](https://github.com/inspect-js/object-inspect/commit/86aa553a4a455562c2c56f1540f0bf857b9d314b)
+
+## [v1.12.1](https://github.com/inspect-js/object-inspect/compare/v1.12.0...v1.12.1) - 2022-05-21
+
+### Commits
+
+- [Tests] use `mock-property` [`4ec8893`](https://github.com/inspect-js/object-inspect/commit/4ec8893ea9bfd28065ca3638cf6762424bf44352)
+- [meta] use `npmignore` to autogenerate an npmignore file [`07f868c`](https://github.com/inspect-js/object-inspect/commit/07f868c10bd25a9d18686528339bb749c211fc9a)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`b05244b`](https://github.com/inspect-js/object-inspect/commit/b05244b4f331e00c43b3151bc498041be77ccc91)
+- [Dev Deps] update `@ljharb/eslint-config`, `error-cause`, `es-value-fixtures`, `functions-have-names`, `tape` [`d037398`](https://github.com/inspect-js/object-inspect/commit/d037398dcc5d531532e4c19c4a711ed677f579c1)
+- [Fix] properly handle callable regexes in older engines [`848fe48`](https://github.com/inspect-js/object-inspect/commit/848fe48bd6dd0064ba781ee6f3c5e54a94144c37)
+
+## [v1.12.0](https://github.com/inspect-js/object-inspect/compare/v1.11.1...v1.12.0) - 2021-12-18
+
+### Commits
+
+- [New] add `numericSeparator` boolean option [`2d2d537`](https://github.com/inspect-js/object-inspect/commit/2d2d537f5359a4300ce1c10241369f8024f89e11)
+- [Robustness] cache more prototype methods [`191533d`](https://github.com/inspect-js/object-inspect/commit/191533da8aec98a05eadd73a5a6e979c9c8653e8)
+- [New] ensure an Error’s `cause` is displayed [`53bc2ce`](https://github.com/inspect-js/object-inspect/commit/53bc2cee4e5a9cc4986f3cafa22c0685f340715e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`bc164b6`](https://github.com/inspect-js/object-inspect/commit/bc164b6e2e7d36b263970f16f54de63048b84a36)
+- [Robustness] cache `RegExp.prototype.test` [`a314ab8`](https://github.com/inspect-js/object-inspect/commit/a314ab8271b905cbabc594c82914d2485a8daf12)
+- [meta] fix auto-changelog settings [`5ed0983`](https://github.com/inspect-js/object-inspect/commit/5ed0983be72f73e32e2559997517a95525c7e20d)
+
+## [v1.11.1](https://github.com/inspect-js/object-inspect/compare/v1.11.0...v1.11.1) - 2021-12-05
+
+### Commits
+
+- [meta] add `auto-changelog` [`7dbdd22`](https://github.com/inspect-js/object-inspect/commit/7dbdd228401d6025d8b7391476d88aee9ea9bbdf)
+- [actions] reuse common workflows [`c8823bc`](https://github.com/inspect-js/object-inspect/commit/c8823bc0a8790729680709d45fb6e652432e91aa)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`7532b12`](https://github.com/inspect-js/object-inspect/commit/7532b120598307497b712890f75af8056f6d37a6)
+- [Refactor] use `has-tostringtag` to behave correctly in the presence of symbol shams [`94abb5d`](https://github.com/inspect-js/object-inspect/commit/94abb5d4e745bf33253942dea86b3e538d2ff6c6)
+- [actions] update codecov uploader [`5ed5102`](https://github.com/inspect-js/object-inspect/commit/5ed51025267a00e53b1341357315490ac4eb0874)
+- [Dev Deps] update `eslint`, `tape` [`37b2ad2`](https://github.com/inspect-js/object-inspect/commit/37b2ad26c08d94bfd01d5d07069a0b28ef4e2ad7)
+- [meta] add `sideEffects` flag [`d341f90`](https://github.com/inspect-js/object-inspect/commit/d341f905ef8bffa6a694cda6ddc5ba343532cd4f)
+
+## [v1.11.0](https://github.com/inspect-js/object-inspect/compare/v1.10.3...v1.11.0) - 2021-07-12
+
+### Commits
+
+- [New] `customInspect`: add `symbol` option, to mimic modern util.inspect behavior [`e973a6e`](https://github.com/inspect-js/object-inspect/commit/e973a6e21f8140c5837cf25e9d89bdde88dc3120)
+- [Dev Deps] update `eslint` [`05f1cb3`](https://github.com/inspect-js/object-inspect/commit/05f1cb3cbcfe1f238e8b51cf9bc294305b7ed793)
+
+## [v1.10.3](https://github.com/inspect-js/object-inspect/compare/v1.10.2...v1.10.3) - 2021-05-07
+
+### Commits
+
+- [Fix] handle core-js Symbol shams [`4acfc2c`](https://github.com/inspect-js/object-inspect/commit/4acfc2c4b503498759120eb517abad6d51c9c5d6)
+- [readme] update badges [`95c323a`](https://github.com/inspect-js/object-inspect/commit/95c323ad909d6cbabb95dd6015c190ba6db9c1f2)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud` [`cb38f48`](https://github.com/inspect-js/object-inspect/commit/cb38f485de6ec7a95109b5a9bbd0a1deba2f6611)
+
+## [v1.10.2](https://github.com/inspect-js/object-inspect/compare/v1.10.1...v1.10.2) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed Symbol [`87f12d6`](https://github.com/inspect-js/object-inspect/commit/87f12d6e69ce530be04659c81a4cd502943acac5)
+
+## [v1.10.1](https://github.com/inspect-js/object-inspect/compare/v1.10.0...v1.10.1) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed bigint [`d5ca829`](https://github.com/inspect-js/object-inspect/commit/d5ca8298b6d2e5c7b9334a5b21b96ed95d225c91)
+
+## [v1.10.0](https://github.com/inspect-js/object-inspect/compare/v1.9.0...v1.10.0) - 2021-04-17
+
+### Commits
+
+- [Tests] increase coverage [`d8abb8a`](https://github.com/inspect-js/object-inspect/commit/d8abb8a62c2f084919df994a433b346e0d87a227)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`4bfec2e`](https://github.com/inspect-js/object-inspect/commit/4bfec2e30aaef6ddef6cbb1448306f9f8b9520b7)
+- [New] respect `Symbol.toStringTag` on objects [`799b58f`](https://github.com/inspect-js/object-inspect/commit/799b58f536a45e4484633a8e9daeb0330835f175)
+- [Fix] do not allow Symbol.toStringTag to masquerade as builtins [`d6c5b37`](https://github.com/inspect-js/object-inspect/commit/d6c5b37d7e94427796b82432fb0c8964f033a6ab)
+- [New] add `WeakRef` support [`b6d898e`](https://github.com/inspect-js/object-inspect/commit/b6d898ee21868c780a7ee66b28532b5b34ed7f09)
+- [meta] do not publish github action workflow files [`918cdfc`](https://github.com/inspect-js/object-inspect/commit/918cdfc4b6fe83f559ff6ef04fe66201e3ff5cbd)
+- [meta] create `FUNDING.yml` [`0bb5fc5`](https://github.com/inspect-js/object-inspect/commit/0bb5fc516dbcd2cd728bd89cee0b580acc5ce301)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`22c8dc0`](https://github.com/inspect-js/object-inspect/commit/22c8dc0cac113d70f4781e49a950070923a671be)
+- [meta] use `prepublishOnly` script for npm 7+ [`e52ee09`](https://github.com/inspect-js/object-inspect/commit/e52ee09e8050b8dbac94ef57f786675567728223)
+- [Dev Deps] update `eslint` [`7c4e6fd`](https://github.com/inspect-js/object-inspect/commit/7c4e6fdedcd27cc980e13c9ad834d05a96f3d40c)
+
+## [v1.9.0](https://github.com/inspect-js/object-inspect/compare/v1.8.0...v1.9.0) - 2020-11-30
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`d262251`](https://github.com/inspect-js/object-inspect/commit/d262251e13e16d3490b5473672f6b6d6ff86675d)
+- [New] add enumerable own Symbols to plain object output [`ee60c03`](https://github.com/inspect-js/object-inspect/commit/ee60c033088cff9d33baa71e59a362a541b48284)
+- [Tests] add passing tests [`01ac3e4`](https://github.com/inspect-js/object-inspect/commit/01ac3e4b5a30f97875a63dc9b1416b3bd626afc9)
+- [actions] add "Require Allow Edits" action [`c2d7746`](https://github.com/inspect-js/object-inspect/commit/c2d774680cde4ca4af332d84d4121b26f798ba9e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `core-js` [`70058de`](https://github.com/inspect-js/object-inspect/commit/70058de1579fc54d1d15ed6c2dbe246637ce70ff)
+- [Fix] hex characters in strings should be uppercased, to match node `assert` [`6ab8faa`](https://github.com/inspect-js/object-inspect/commit/6ab8faaa0abc08fe7a8e2afd8b39c6f1f0e00113)
+- [Tests] run `nyc` on all tests [`4c47372`](https://github.com/inspect-js/object-inspect/commit/4c473727879ddc8e28b599202551ddaaf07b6210)
+- [Tests] node 0.8 has an unpredictable property order; fix `groups` test by removing property [`f192069`](https://github.com/inspect-js/object-inspect/commit/f192069a978a3b60e6f0e0d45ac7df260ab9a778)
+- [New] add enumerable properties to Function inspect result, per node’s `assert` [`fd38e1b`](https://github.com/inspect-js/object-inspect/commit/fd38e1bc3e2a1dc82091ce3e021917462eee64fc)
+- [Tests] fix tests for node &lt; 10, due to regex match `groups` [`2ac6462`](https://github.com/inspect-js/object-inspect/commit/2ac6462cc4f72eaa0b63a8cfee9aabe3008b2330)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`44b59e2`](https://github.com/inspect-js/object-inspect/commit/44b59e2676a7f825ef530dfd19dafb599e3b9456)
+- [Robustness] cache `Symbol.prototype.toString` [`f3c2074`](https://github.com/inspect-js/object-inspect/commit/f3c2074d8f32faf8292587c07c9678ea931703dd)
+- [Dev Deps] update `eslint` [`9411294`](https://github.com/inspect-js/object-inspect/commit/94112944b9245e3302e25453277876402d207e7f)
+- [meta] `require-allow-edits` no longer requires an explicit github token [`36c0220`](https://github.com/inspect-js/object-inspect/commit/36c02205de3c2b0e84d53777c5c9fd54a36c48ab)
+- [actions] update rebase checkout action to v2 [`55a39a6`](https://github.com/inspect-js/object-inspect/commit/55a39a64e944f19c6a7d8efddf3df27700f20d14)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`f59fd3c`](https://github.com/inspect-js/object-inspect/commit/f59fd3cf406c3a7c7ece140904a80bbc6bacfcca)
+- [Dev Deps] update `eslint` [`a492bec`](https://github.com/inspect-js/object-inspect/commit/a492becec644b0155c9c4bc1caf6f9fac11fb2c7)
+
+## [v1.8.0](https://github.com/inspect-js/object-inspect/compare/v1.7.0...v1.8.0) - 2020-06-18
+
+### Fixed
+
+- [New] add `indent` option [`#27`](https://github.com/inspect-js/object-inspect/issues/27)
+
+### Commits
+
+- [Tests] add codecov [`4324cbb`](https://github.com/inspect-js/object-inspect/commit/4324cbb1a2bd7710822a4151ff373570db22453e)
+- [New] add `maxStringLength` option [`b3995cb`](https://github.com/inspect-js/object-inspect/commit/b3995cb71e15b5ee127a3094c43994df9d973502)
+- [New] add `customInspect` option, to disable custom inspect methods [`28b9179`](https://github.com/inspect-js/object-inspect/commit/28b9179ee802bb3b90810100c11637db90c2fb6d)
+- [Tests] add Date and RegExp tests [`3b28eca`](https://github.com/inspect-js/object-inspect/commit/3b28eca57b0367aeadffac604ea09e8bdae7d97b)
+- [actions] add automatic rebasing / merge commit blocking [`0d9c6c0`](https://github.com/inspect-js/object-inspect/commit/0d9c6c044e83475ff0bfffb9d35b149834c83a2e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape`; add `aud` [`7c204f2`](https://github.com/inspect-js/object-inspect/commit/7c204f22b9e41bc97147f4d32d4cb045b17769a6)
+- [readme] fix repo URLs, remove testling [`34ca9a0`](https://github.com/inspect-js/object-inspect/commit/34ca9a0dabfe75bd311f806a326fadad029909a3)
+- [Fix] when truncating a deep array, note it as `[Array]` instead of just `[Object]` [`f74c82d`](https://github.com/inspect-js/object-inspect/commit/f74c82dd0b35386445510deb250f34c41be3ec0e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`1a8a5ea`](https://github.com/inspect-js/object-inspect/commit/1a8a5ea069ea2bee89d77caedad83ffa23d35711)
+- [Fix] do not be fooled by a function’s own `toString` method [`7cb5c65`](https://github.com/inspect-js/object-inspect/commit/7cb5c657a976f94715c19c10556a30f15bb7d5d7)
+- [patch] indicate explicitly that anon functions are anonymous, to match node [`81ebdd4`](https://github.com/inspect-js/object-inspect/commit/81ebdd4215005144074bbdff3f6bafa01407910a)
+- [Dev Deps] loosen the `core-js` dep [`e7472e8`](https://github.com/inspect-js/object-inspect/commit/e7472e8e242117670560bd995830c2a4d12080f5)
+- [Dev Deps] update `tape` [`699827e`](https://github.com/inspect-js/object-inspect/commit/699827e6b37258b5203c33c78c009bf4b0e6a66d)
+- [meta] add `safe-publish-latest` [`c5d2868`](https://github.com/inspect-js/object-inspect/commit/c5d2868d6eb33c472f37a20f89ceef2787046088)
+- [Dev Deps] update `@ljharb/eslint-config` [`9199501`](https://github.com/inspect-js/object-inspect/commit/919950195d486114ccebacbdf9d74d7f382693b0)
+
+## [v1.7.0](https://github.com/inspect-js/object-inspect/compare/v1.6.0...v1.7.0) - 2019-11-10
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`19899ed`](https://github.com/inspect-js/object-inspect/commit/19899edbf31f4f8809acf745ce34ad1ce1bfa63b)
+- [Tests] add linting [`a00f057`](https://github.com/inspect-js/object-inspect/commit/a00f057d917f66ea26dd37769c6b810ec4af97e8)
+- [Tests] lint last file [`2698047`](https://github.com/inspect-js/object-inspect/commit/2698047b58af1e2e88061598ef37a75f228dddf6)
+- [Tests] up to `node` `v12.7`, `v11.15`, `v10.16`, `v8.16`, `v6.17` [`589e87a`](https://github.com/inspect-js/object-inspect/commit/589e87a99cadcff4b600e6a303418e9d922836e8)
+- [New] add support for `WeakMap` and `WeakSet` [`3ddb3e4`](https://github.com/inspect-js/object-inspect/commit/3ddb3e4e0c8287130c61a12e0ed9c104b1549306)
+- [meta] clean up license so github can detect it properly [`27527bb`](https://github.com/inspect-js/object-inspect/commit/27527bb801520c9610c68cc3b55d6f20a2bee56d)
+- [Tests] cover `util.inspect.custom` [`36d47b9`](https://github.com/inspect-js/object-inspect/commit/36d47b9c59056a57ef2f1491602c726359561800)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape` [`b614eaa`](https://github.com/inspect-js/object-inspect/commit/b614eaac901da0e5c69151f534671f990a94cace)
+- [Tests] fix coverage thresholds [`7b7b176`](https://github.com/inspect-js/object-inspect/commit/7b7b176e15f8bd6e8b2f261ff5a493c2fe78d9c2)
+- [Tests] bigint tests now can run on unflagged node [`063af31`](https://github.com/inspect-js/object-inspect/commit/063af31ce9cd13c202e3b67c07ba06dc9b7c0f81)
+- [Refactor] add early bailout to `isMap` and `isSet` checks [`fc51047`](https://github.com/inspect-js/object-inspect/commit/fc5104714a3671d37e225813db79470d6335683b)
+- [meta] add `funding` field [`7f9953a`](https://github.com/inspect-js/object-inspect/commit/7f9953a113eec7b064a6393cf9f90ba15f1d131b)
+- [Tests] Fix invalid strict-mode syntax with hexadecimal [`a8b5425`](https://github.com/inspect-js/object-inspect/commit/a8b542503b4af1599a275209a1a99f5fdedb1ead)
+- [Dev Deps] update `@ljharb/eslint-config` [`98df157`](https://github.com/inspect-js/object-inspect/commit/98df1577314d9188a3fc3f17fdcf2fba697ae1bd)
+- add copyright to LICENSE [`bb69fd0`](https://github.com/inspect-js/object-inspect/commit/bb69fd017a062d299e44da1f9b2c7dcd67f621e6)
+- [Tests] use `npx aud` in `posttest` [`4838353`](https://github.com/inspect-js/object-inspect/commit/4838353593974cf7f905b9ef04c03c094f0cdbe2)
+- [Tests] move `0.6` to allowed failures, because it won‘t build on travis [`1bff32a`](https://github.com/inspect-js/object-inspect/commit/1bff32aa52e8aea687f0856b28ba754b3e43ebf7)
+
+## [v1.6.0](https://github.com/inspect-js/object-inspect/compare/v1.5.0...v1.6.0) - 2018-05-02
+
+### Commits
+
+- [New] add support for boxed BigInt primitives [`356c66a`](https://github.com/inspect-js/object-inspect/commit/356c66a410e7aece7162c8319880a5ef647beaa9)
+- [Tests] up to `node` `v10.0`, `v9.11`, `v8.11`, `v6.14`, `v4.9` [`c77b65b`](https://github.com/inspect-js/object-inspect/commit/c77b65bba593811b906b9ec57561c5cba92e2db3)
+- [New] Add support for upcoming `BigInt` [`1ac548e`](https://github.com/inspect-js/object-inspect/commit/1ac548e4b27e26466c28c9a5e63e5d4e0591c31f)
+- [Tests] run bigint tests in CI with --harmony-bigint flag [`d31b738`](https://github.com/inspect-js/object-inspect/commit/d31b73831880254b5c6cf5691cda9a149fbc5f04)
+- [Dev Deps] update `core-js`, `tape` [`ff9eff6`](https://github.com/inspect-js/object-inspect/commit/ff9eff67113341ee1aaf80c1c22d683f43bfbccf)
+- [Docs] fix example to use `safer-buffer` [`48cae12`](https://github.com/inspect-js/object-inspect/commit/48cae12a73ec6cacc955175bc56bbe6aee6a211f)
+
+## [v1.5.0](https://github.com/inspect-js/object-inspect/compare/v1.4.1...v1.5.0) - 2017-12-25
+
+### Commits
+
+- [New] add `quoteStyle` option [`f5a72d2`](https://github.com/inspect-js/object-inspect/commit/f5a72d26edb3959b048f74c056ca7100a6b091e4)
+- [Tests] add more test coverage [`30ebe4e`](https://github.com/inspect-js/object-inspect/commit/30ebe4e1fa943b99ecbb85be7614256d536e2759)
+- [Tests] require 0.6 to pass [`99a008c`](https://github.com/inspect-js/object-inspect/commit/99a008ccace189a60fd7da18bf00e32c9572b980)
+
+## [v1.4.1](https://github.com/inspect-js/object-inspect/compare/v1.4.0...v1.4.1) - 2017-12-19
+
+### Commits
+
+- [Tests] up to `node` `v9.3`, `v8.9`, `v6.12` [`6674476`](https://github.com/inspect-js/object-inspect/commit/6674476cc56acaac1bde96c84fed5ef631911906)
+- [Fix] `inspect(Object(-0))` should be “Object(-0)”, not “Object(0)” [`d0a031f`](https://github.com/inspect-js/object-inspect/commit/d0a031f1cbb3024ee9982bfe364dd18a7e4d1bd3)
+
+## [v1.4.0](https://github.com/inspect-js/object-inspect/compare/v1.3.0...v1.4.0) - 2017-10-24
+
+### Commits
+
+- [Tests] add `npm run coverage` [`3b48fb2`](https://github.com/inspect-js/object-inspect/commit/3b48fb25db037235eeb808f0b2830aad7aa36f70)
+- [Tests] remove commented-out osx builds [`71e24db`](https://github.com/inspect-js/object-inspect/commit/71e24db8ad6ee3b9b381c5300b0475f2ba595a73)
+- [New] add support for `util.inspect.custom`, in node only. [`20cca77`](https://github.com/inspect-js/object-inspect/commit/20cca7762d7e17f15b21a90793dff84acce155df)
+- [Tests] up to `node` `v8.6`; use `nvm install-latest-npm` to ensure new npm doesn’t break old node [`252952d`](https://github.com/inspect-js/object-inspect/commit/252952d230d8065851dd3d4d5fe8398aae068529)
+- [Tests] up to `node` `v8.8` [`4aa868d`](https://github.com/inspect-js/object-inspect/commit/4aa868d3a62914091d489dd6ec6eed194ee67cd3)
+- [Dev Deps] update `core-js`, `tape` [`59483d1`](https://github.com/inspect-js/object-inspect/commit/59483d1df418f852f51fa0db7b24aa6b0209a27a)
+
+## [v1.3.0](https://github.com/inspect-js/object-inspect/compare/v1.2.2...v1.3.0) - 2017-07-31
+
+### Fixed
+
+- [Fix] Map/Set: work around core-js bug &lt; v2.5.0 [`#9`](https://github.com/inspect-js/object-inspect/issues/9)
+
+### Commits
+
+- [New] add support for arrays with additional object keys [`0d19937`](https://github.com/inspect-js/object-inspect/commit/0d199374ee37959e51539616666f420ccb29acb9)
+- [Tests] up to `node` `v8.2`, `v7.10`, `v6.11`; fix new npm breaking on older nodes [`e24784a`](https://github.com/inspect-js/object-inspect/commit/e24784a90c49117787157a12a63897c49cf89bbb)
+- Only apps should have lockfiles [`c6faebc`](https://github.com/inspect-js/object-inspect/commit/c6faebcb2ee486a889a4a1c4d78c0776c7576185)
+- [Dev Deps] update `tape` [`7345a0a`](https://github.com/inspect-js/object-inspect/commit/7345a0aeba7e91b888a079c10004d17696a7f586)
+
+## [v1.2.2](https://github.com/inspect-js/object-inspect/compare/v1.2.1...v1.2.2) - 2017-03-24
+
+### Commits
+
+- [Tests] up to `node` `v7.7`, `v6.10`, `v4.8`; improve test matrix [`a2ddc15`](https://github.com/inspect-js/object-inspect/commit/a2ddc15a1f2c65af18076eea1c0eb9cbceb478a0)
+- [Tests] up to `node` `v7.0`, `v6.9`, `v5.12`, `v4.6`, `io.js` `v3.3`; improve test matrix [`a48949f`](https://github.com/inspect-js/object-inspect/commit/a48949f6b574b2d4d2298109d8e8d0eb3e7a83e7)
+- [Performance] check for primitive types as early as possible. [`3b8092a`](https://github.com/inspect-js/object-inspect/commit/3b8092a2a4deffd0575f94334f00194e2d48dad3)
+- [Refactor] remove unneeded `else`s. [`7255034`](https://github.com/inspect-js/object-inspect/commit/725503402e08de4f96f6bf2d8edef44ac36f26b6)
+- [Refactor] avoid recreating `lowbyte` function every time. [`81edd34`](https://github.com/inspect-js/object-inspect/commit/81edd3475bd15bdd18e84de7472033dcf5004aaa)
+- [Fix] differentiate -0 from 0 [`521d345`](https://github.com/inspect-js/object-inspect/commit/521d3456b009da7bf1c5785c8a9df5a9f8718264)
+- [Refactor] move object key gathering into separate function [`aca6265`](https://github.com/inspect-js/object-inspect/commit/aca626536eaeef697196c6e9db3e90e7e0355b6a)
+- [Refactor] consolidate wrapping logic for boxed primitives into a function. [`4e440cd`](https://github.com/inspect-js/object-inspect/commit/4e440cd9065df04802a2a1dead03f48c353ca301)
+- [Robustness] use `typeof` instead of comparing to literal `undefined` [`5ca6f60`](https://github.com/inspect-js/object-inspect/commit/5ca6f601937506daff8ed2fcf686363b55807b69)
+- [Refactor] consolidate Map/Set notations. [`4e576e5`](https://github.com/inspect-js/object-inspect/commit/4e576e5d7ed2f9ec3fb7f37a0d16732eb10758a9)
+- [Tests] ensure that this function remains anonymous, despite ES6 name inference. [`7540ae5`](https://github.com/inspect-js/object-inspect/commit/7540ae591278756db614fa4def55ca413150e1a3)
+- [Refactor] explicitly coerce Error objects to strings. [`7f4ca84`](https://github.com/inspect-js/object-inspect/commit/7f4ca8424ee8dc2c0ca5a422d94f7fac40327261)
+- [Refactor] split up `var` declarations for debuggability [`6f2c11e`](https://github.com/inspect-js/object-inspect/commit/6f2c11e6a85418586a00292dcec5e97683f89bc3)
+- [Robustness] cache `Object.prototype.toString` [`df44a20`](https://github.com/inspect-js/object-inspect/commit/df44a20adfccf31529d60d1df2079bfc3c836e27)
+- [Dev Deps] update `tape` [`3ec714e`](https://github.com/inspect-js/object-inspect/commit/3ec714eba57bc3f58a6eb4fca1376f49e70d300a)
+- [Dev Deps] update `tape` [`beb72d9`](https://github.com/inspect-js/object-inspect/commit/beb72d969653747d7cde300393c28755375329b0)
+
+## [v1.2.1](https://github.com/inspect-js/object-inspect/compare/v1.2.0...v1.2.1) - 2016-04-09
+
+### Fixed
+
+- [Fix] fix Boolean `false` object inspection. [`#7`](https://github.com/substack/object-inspect/pull/7)
+
+## [v1.2.0](https://github.com/inspect-js/object-inspect/compare/v1.1.0...v1.2.0) - 2016-04-09
+
+### Fixed
+
+- [New] add support for inspecting String/Number/Boolean objects. [`#6`](https://github.com/inspect-js/object-inspect/issues/6)
+
+### Commits
+
+- [Dev Deps] update `tape` [`742caa2`](https://github.com/inspect-js/object-inspect/commit/742caa262cf7af4c815d4821c8bd0129c1446432)
+
+## [v1.1.0](https://github.com/inspect-js/object-inspect/compare/1.0.2...v1.1.0) - 2015-12-14
+
+### Merged
+
+- [New] add ES6 Map/Set support. [`#4`](https://github.com/inspect-js/object-inspect/pull/4)
+
+### Fixed
+
+- [New] add ES6 Map/Set support. [`#3`](https://github.com/inspect-js/object-inspect/issues/3)
+
+### Commits
+
+- Update `travis.yml` to test on bunches of `iojs` and `node` versions. [`4c1fd65`](https://github.com/inspect-js/object-inspect/commit/4c1fd65cc3bd95307e854d114b90478324287fd2)
+- [Dev Deps] update `tape` [`88a907e`](https://github.com/inspect-js/object-inspect/commit/88a907e33afbe408e4b5d6e4e42a33143f88848c)
+
+## [1.0.2](https://github.com/inspect-js/object-inspect/compare/1.0.1...1.0.2) - 2015-08-07
+
+### Commits
+
+- [Fix] Cache `Object.prototype.hasOwnProperty` in case it's deleted later. [`1d0075d`](https://github.com/inspect-js/object-inspect/commit/1d0075d3091dc82246feeb1f9871cb2b8ed227b3)
+- [Dev Deps] Update `tape` [`ca8d5d7`](https://github.com/inspect-js/object-inspect/commit/ca8d5d75635ddbf76f944e628267581e04958457)
+- gitignore node_modules since this is a reusable modules. [`ed41407`](https://github.com/inspect-js/object-inspect/commit/ed41407811743ca530cdeb28f982beb96026af82)
+
+## [1.0.1](https://github.com/inspect-js/object-inspect/compare/1.0.0...1.0.1) - 2015-07-19
+
+### Commits
+
+- Make `inspect` work with symbol primitives and objects, including in node 0.11 and 0.12. [`ddf1b94`](https://github.com/inspect-js/object-inspect/commit/ddf1b94475ab951f1e3bccdc0a48e9073cfbfef4)
+- bump tape [`103d674`](https://github.com/inspect-js/object-inspect/commit/103d67496b504bdcfdd765d303a773f87ec106e2)
+- use newer travis config [`d497276`](https://github.com/inspect-js/object-inspect/commit/d497276c1da14234bb5098a59cf20de75fbc316a)
+
+## [1.0.0](https://github.com/inspect-js/object-inspect/compare/0.4.0...1.0.0) - 2014-08-05
+
+### Commits
+
+- error inspect works properly [`260a22d`](https://github.com/inspect-js/object-inspect/commit/260a22d134d3a8a482c67d52091c6040c34f4299)
+- seen coverage [`57269e8`](https://github.com/inspect-js/object-inspect/commit/57269e8baa992a7439047f47325111fdcbcb8417)
+- htmlelement instance coverage [`397ffe1`](https://github.com/inspect-js/object-inspect/commit/397ffe10a1980350868043ef9de65686d438979f)
+- more element coverage [`6905cc2`](https://github.com/inspect-js/object-inspect/commit/6905cc2f7df35600177e613b0642b4df5efd3eca)
+- failing test for type errors [`385b615`](https://github.com/inspect-js/object-inspect/commit/385b6152e49b51b68449a662f410b084ed7c601a)
+- fn name coverage [`edc906d`](https://github.com/inspect-js/object-inspect/commit/edc906d40fca6b9194d304062c037ee8e398c4c2)
+- server-side element test [`362d1d3`](https://github.com/inspect-js/object-inspect/commit/362d1d3e86f187651c29feeb8478110afada385b)
+- custom inspect fn [`e89b0f6`](https://github.com/inspect-js/object-inspect/commit/e89b0f6fe6d5e03681282af83732a509160435a6)
+- fixed browser test [`b530882`](https://github.com/inspect-js/object-inspect/commit/b5308824a1c8471c5617e394766a03a6977102a9)
+- depth test, matches node [`1cfd9e0`](https://github.com/inspect-js/object-inspect/commit/1cfd9e0285a4ae1dff44101ad482915d9bf47e48)
+- exercise hasOwnProperty path [`8d753fb`](https://github.com/inspect-js/object-inspect/commit/8d753fb362a534fa1106e4d80f2ee9bea06a66d9)
+- more cases covered for errors [`c5c46a5`](https://github.com/inspect-js/object-inspect/commit/c5c46a569ec4606583497e8550f0d8c7ad39a4a4)
+- \W obj key test case [`b0eceee`](https://github.com/inspect-js/object-inspect/commit/b0eceeea6e0eb94d686c1046e99b9e25e5005f75)
+- coverage for explicit depth param [`e12b91c`](https://github.com/inspect-js/object-inspect/commit/e12b91cd59683362f3a0e80f46481a0211e26c15)
+
+## [0.4.0](https://github.com/inspect-js/object-inspect/compare/0.3.1...0.4.0) - 2014-03-21
+
+### Commits
+
+- passing lowbyte interpolation test [`b847511`](https://github.com/inspect-js/object-inspect/commit/b8475114f5def7e7961c5353d48d3d8d9a520985)
+- lowbyte test [`4a2b0e1`](https://github.com/inspect-js/object-inspect/commit/4a2b0e142667fc933f195472759385ac08f3946c)
+
+## [0.3.1](https://github.com/inspect-js/object-inspect/compare/0.3.0...0.3.1) - 2014-03-04
+
+### Commits
+
+- sort keys [`a07b19c`](https://github.com/inspect-js/object-inspect/commit/a07b19cc3b1521a82d4fafb6368b7a9775428a05)
+
+## [0.3.0](https://github.com/inspect-js/object-inspect/compare/0.2.0...0.3.0) - 2014-03-04
+
+### Commits
+
+- [] and {} instead of [ ] and { } [`654c44b`](https://github.com/inspect-js/object-inspect/commit/654c44b2865811f3519e57bb8526e0821caf5c6b)
+
+## [0.2.0](https://github.com/inspect-js/object-inspect/compare/0.1.3...0.2.0) - 2014-03-04
+
+### Commits
+
+- failing holes test [`99cdfad`](https://github.com/inspect-js/object-inspect/commit/99cdfad03c6474740275a75636fe6ca86c77737a)
+- regex already work [`e324033`](https://github.com/inspect-js/object-inspect/commit/e324033267025995ec97d32ed0a65737c99477a6)
+- failing undef/null test [`1f88a00`](https://github.com/inspect-js/object-inspect/commit/1f88a00265d3209719dda8117b7e6360b4c20943)
+- holes in the all example [`7d345f3`](https://github.com/inspect-js/object-inspect/commit/7d345f3676dcbe980cff89a4f6c243269ebbb709)
+- check for .inspect(), fixes Buffer use-case [`c3f7546`](https://github.com/inspect-js/object-inspect/commit/c3f75466dbca125347d49847c05262c292f12b79)
+- fixes for holes [`ce25f73`](https://github.com/inspect-js/object-inspect/commit/ce25f736683de4b92ff27dc5471218415e2d78d8)
+- weird null behavior [`405c1ea`](https://github.com/inspect-js/object-inspect/commit/405c1ea72cd5a8cf3b498c3eaa903d01b9fbcab5)
+- tape is actually a devDependency, upgrade [`703b0ce`](https://github.com/inspect-js/object-inspect/commit/703b0ce6c5817b4245a082564bccd877e0bb6990)
+- put date in the example [`a342219`](https://github.com/inspect-js/object-inspect/commit/a3422190eeaa013215f46df2d0d37b48595ac058)
+- passing the null test [`4ab737e`](https://github.com/inspect-js/object-inspect/commit/4ab737ebf862a75d247ebe51e79307a34d6380d4)
+
+## [0.1.3](https://github.com/inspect-js/object-inspect/compare/0.1.1...0.1.3) - 2013-07-26
+
+### Commits
+
+- special isElement() check [`882768a`](https://github.com/inspect-js/object-inspect/commit/882768a54035d30747be9de1baf14e5aa0daa128)
+- oh right old IEs don't have indexOf either [`36d1275`](https://github.com/inspect-js/object-inspect/commit/36d12756c38b08a74370b0bb696c809e529913a5)
+
+## [0.1.1](https://github.com/inspect-js/object-inspect/compare/0.1.0...0.1.1) - 2013-07-26
+
+### Commits
+
+- tests! [`4422fd9`](https://github.com/inspect-js/object-inspect/commit/4422fd95532c2745aa6c4f786f35f1090be29998)
+- fix for ie&lt;9, doesn't have hasOwnProperty [`6b7d611`](https://github.com/inspect-js/object-inspect/commit/6b7d61183050f6da801ea04473211da226482613)
+- fix for all IEs: no f.name [`4e0c2f6`](https://github.com/inspect-js/object-inspect/commit/4e0c2f6dfd01c306d067d7163319acc97c94ee50)
+- badges [`5ed0d88`](https://github.com/inspect-js/object-inspect/commit/5ed0d88e4e407f9cb327fa4a146c17921f9680f3)
+
+## [0.1.0](https://github.com/inspect-js/object-inspect/compare/0.0.0...0.1.0) - 2013-07-26
+
+### Commits
+
+- [Function] for functions [`ad5c485`](https://github.com/inspect-js/object-inspect/commit/ad5c485098fc83352cb540a60b2548ca56820e0b)
+
+## 0.0.0 - 2013-07-26
+
+### Commits
+
+- working browser example [`34be6b6`](https://github.com/inspect-js/object-inspect/commit/34be6b6548f9ce92bdc3c27572857ba0c4a1218d)
+- package.json etc [`cad51f2`](https://github.com/inspect-js/object-inspect/commit/cad51f23fc6bcf1a456ed6abe16088256c2f632f)
+- docs complete [`b80cce2`](https://github.com/inspect-js/object-inspect/commit/b80cce2490c4e7183a9ee11ea89071f0abec4446)
+- circular example [`4b4a7b9`](https://github.com/inspect-js/object-inspect/commit/4b4a7b92209e4e6b4630976cb6bcd17d14165a59)
+- string rep [`7afb479`](https://github.com/inspect-js/object-inspect/commit/7afb479baa798d27f09e0a178b72ea327f60f5c8)
diff --git a/node_modules/object-inspect/LICENSE b/node_modules/object-inspect/LICENSE
new file mode 100644
index 00000000..ca64cc1e
--- /dev/null
+++ b/node_modules/object-inspect/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013 James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/object-inspect/example/all.js b/node_modules/object-inspect/example/all.js
new file mode 100644
index 00000000..2f3355c5
--- /dev/null
+++ b/node_modules/object-inspect/example/all.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var inspect = require('../');
+var Buffer = require('safer-buffer').Buffer;
+
+var holes = ['a', 'b'];
+holes[4] = 'e';
+holes[6] = 'g';
+
+var obj = {
+    a: 1,
+    b: [3, 4, undefined, null],
+    c: undefined,
+    d: null,
+    e: {
+        regex: /^x/i,
+        buf: Buffer.from('abc'),
+        holes: holes
+    },
+    now: new Date()
+};
+obj.self = obj;
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/circular.js b/node_modules/object-inspect/example/circular.js
new file mode 100644
index 00000000..487a7c16
--- /dev/null
+++ b/node_modules/object-inspect/example/circular.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var inspect = require('../');
+var obj = { a: 1, b: [3, 4] };
+obj.c = obj;
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/fn.js b/node_modules/object-inspect/example/fn.js
new file mode 100644
index 00000000..9b5db8de
--- /dev/null
+++ b/node_modules/object-inspect/example/fn.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var inspect = require('../');
+var obj = [1, 2, function f(n) { return n + 5; }, 4];
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/inspect.js b/node_modules/object-inspect/example/inspect.js
new file mode 100644
index 00000000..e2df7c9f
--- /dev/null
+++ b/node_modules/object-inspect/example/inspect.js
@@ -0,0 +1,10 @@
+'use strict';
+
+/* eslint-env browser */
+var inspect = require('../');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]));
diff --git a/node_modules/object-inspect/index.js b/node_modules/object-inspect/index.js
new file mode 100644
index 00000000..a4b2d4cd
--- /dev/null
+++ b/node_modules/object-inspect/index.js
@@ -0,0 +1,544 @@
+var hasMap = typeof Map === 'function' && Map.prototype;
+var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
+var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
+var mapForEach = hasMap && Map.prototype.forEach;
+var hasSet = typeof Set === 'function' && Set.prototype;
+var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
+var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
+var setForEach = hasSet && Set.prototype.forEach;
+var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;
+var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;
+var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;
+var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;
+var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype;
+var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null;
+var booleanValueOf = Boolean.prototype.valueOf;
+var objectToString = Object.prototype.toString;
+var functionToString = Function.prototype.toString;
+var $match = String.prototype.match;
+var $slice = String.prototype.slice;
+var $replace = String.prototype.replace;
+var $toUpperCase = String.prototype.toUpperCase;
+var $toLowerCase = String.prototype.toLowerCase;
+var $test = RegExp.prototype.test;
+var $concat = Array.prototype.concat;
+var $join = Array.prototype.join;
+var $arrSlice = Array.prototype.slice;
+var $floor = Math.floor;
+var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;
+var gOPS = Object.getOwnPropertySymbols;
+var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null;
+var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object';
+// ie, `has-tostringtag/shams
+var toStringTag = typeof Symbol === 'function' && Symbol.toStringTag && (typeof Symbol.toStringTag === hasShammedSymbols ? 'object' : 'symbol')
+    ? Symbol.toStringTag
+    : null;
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+
+var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || (
+    [].__proto__ === Array.prototype // eslint-disable-line no-proto
+        ? function (O) {
+            return O.__proto__; // eslint-disable-line no-proto
+        }
+        : null
+);
+
+function addNumericSeparator(num, str) {
+    if (
+        num === Infinity
+        || num === -Infinity
+        || num !== num
+        || (num && num > -1000 && num < 1000)
+        || $test.call(/e/, str)
+    ) {
+        return str;
+    }
+    var sepRegex = /[0-9](?=(?:[0-9]{3})+(?![0-9]))/g;
+    if (typeof num === 'number') {
+        var int = num < 0 ? -$floor(-num) : $floor(num); // trunc(num)
+        if (int !== num) {
+            var intStr = String(int);
+            var dec = $slice.call(str, intStr.length + 1);
+            return $replace.call(intStr, sepRegex, '$&_') + '.' + $replace.call($replace.call(dec, /([0-9]{3})/g, '$&_'), /_$/, '');
+        }
+    }
+    return $replace.call(str, sepRegex, '$&_');
+}
+
+var utilInspect = require('./util.inspect');
+var inspectCustom = utilInspect.custom;
+var inspectSymbol = isSymbol(inspectCustom) ? inspectCustom : null;
+
+var quotes = {
+    __proto__: null,
+    'double': '"',
+    single: "'"
+};
+var quoteREs = {
+    __proto__: null,
+    'double': /(["\\])/g,
+    single: /(['\\])/g
+};
+
+module.exports = function inspect_(obj, options, depth, seen) {
+    var opts = options || {};
+
+    if (has(opts, 'quoteStyle') && !has(quotes, opts.quoteStyle)) {
+        throw new TypeError('option "quoteStyle" must be "single" or "double"');
+    }
+    if (
+        has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number'
+            ? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity
+            : opts.maxStringLength !== null
+        )
+    ) {
+        throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`');
+    }
+    var customInspect = has(opts, 'customInspect') ? opts.customInspect : true;
+    if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') {
+        throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`');
+    }
+
+    if (
+        has(opts, 'indent')
+        && opts.indent !== null
+        && opts.indent !== '\t'
+        && !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0)
+    ) {
+        throw new TypeError('option "indent" must be "\\t", an integer > 0, or `null`');
+    }
+    if (has(opts, 'numericSeparator') && typeof opts.numericSeparator !== 'boolean') {
+        throw new TypeError('option "numericSeparator", if provided, must be `true` or `false`');
+    }
+    var numericSeparator = opts.numericSeparator;
+
+    if (typeof obj === 'undefined') {
+        return 'undefined';
+    }
+    if (obj === null) {
+        return 'null';
+    }
+    if (typeof obj === 'boolean') {
+        return obj ? 'true' : 'false';
+    }
+
+    if (typeof obj === 'string') {
+        return inspectString(obj, opts);
+    }
+    if (typeof obj === 'number') {
+        if (obj === 0) {
+            return Infinity / obj > 0 ? '0' : '-0';
+        }
+        var str = String(obj);
+        return numericSeparator ? addNumericSeparator(obj, str) : str;
+    }
+    if (typeof obj === 'bigint') {
+        var bigIntStr = String(obj) + 'n';
+        return numericSeparator ? addNumericSeparator(obj, bigIntStr) : bigIntStr;
+    }
+
+    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
+    if (typeof depth === 'undefined') { depth = 0; }
+    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
+        return isArray(obj) ? '[Array]' : '[Object]';
+    }
+
+    var indent = getIndent(opts, depth);
+
+    if (typeof seen === 'undefined') {
+        seen = [];
+    } else if (indexOf(seen, obj) >= 0) {
+        return '[Circular]';
+    }
+
+    function inspect(value, from, noIndent) {
+        if (from) {
+            seen = $arrSlice.call(seen);
+            seen.push(from);
+        }
+        if (noIndent) {
+            var newOpts = {
+                depth: opts.depth
+            };
+            if (has(opts, 'quoteStyle')) {
+                newOpts.quoteStyle = opts.quoteStyle;
+            }
+            return inspect_(value, newOpts, depth + 1, seen);
+        }
+        return inspect_(value, opts, depth + 1, seen);
+    }
+
+    if (typeof obj === 'function' && !isRegExp(obj)) { // in older engines, regexes are callable
+        var name = nameOf(obj);
+        var keys = arrObjKeys(obj, inspect);
+        return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + $join.call(keys, ', ') + ' }' : '');
+    }
+    if (isSymbol(obj)) {
+        var symString = hasShammedSymbols ? $replace.call(String(obj), /^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj);
+        return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString;
+    }
+    if (isElement(obj)) {
+        var s = '<' + $toLowerCase.call(String(obj.nodeName));
+        var attrs = obj.attributes || [];
+        for (var i = 0; i < attrs.length; i++) {
+            s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);
+        }
+        s += '>';
+        if (obj.childNodes && obj.childNodes.length) { s += '...'; }
+        s += '</' + $toLowerCase.call(String(obj.nodeName)) + '>';
+        return s;
+    }
+    if (isArray(obj)) {
+        if (obj.length === 0) { return '[]'; }
+        var xs = arrObjKeys(obj, inspect);
+        if (indent && !singleLineValues(xs)) {
+            return '[' + indentedJoin(xs, indent) + ']';
+        }
+        return '[ ' + $join.call(xs, ', ') + ' ]';
+    }
+    if (isError(obj)) {
+        var parts = arrObjKeys(obj, inspect);
+        if (!('cause' in Error.prototype) && 'cause' in obj && !isEnumerable.call(obj, 'cause')) {
+            return '{ [' + String(obj) + '] ' + $join.call($concat.call('[cause]: ' + inspect(obj.cause), parts), ', ') + ' }';
+        }
+        if (parts.length === 0) { return '[' + String(obj) + ']'; }
+        return '{ [' + String(obj) + '] ' + $join.call(parts, ', ') + ' }';
+    }
+    if (typeof obj === 'object' && customInspect) {
+        if (inspectSymbol && typeof obj[inspectSymbol] === 'function' && utilInspect) {
+            return utilInspect(obj, { depth: maxDepth - depth });
+        } else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') {
+            return obj.inspect();
+        }
+    }
+    if (isMap(obj)) {
+        var mapParts = [];
+        if (mapForEach) {
+            mapForEach.call(obj, function (value, key) {
+                mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj));
+            });
+        }
+        return collectionOf('Map', mapSize.call(obj), mapParts, indent);
+    }
+    if (isSet(obj)) {
+        var setParts = [];
+        if (setForEach) {
+            setForEach.call(obj, function (value) {
+                setParts.push(inspect(value, obj));
+            });
+        }
+        return collectionOf('Set', setSize.call(obj), setParts, indent);
+    }
+    if (isWeakMap(obj)) {
+        return weakCollectionOf('WeakMap');
+    }
+    if (isWeakSet(obj)) {
+        return weakCollectionOf('WeakSet');
+    }
+    if (isWeakRef(obj)) {
+        return weakCollectionOf('WeakRef');
+    }
+    if (isNumber(obj)) {
+        return markBoxed(inspect(Number(obj)));
+    }
+    if (isBigInt(obj)) {
+        return markBoxed(inspect(bigIntValueOf.call(obj)));
+    }
+    if (isBoolean(obj)) {
+        return markBoxed(booleanValueOf.call(obj));
+    }
+    if (isString(obj)) {
+        return markBoxed(inspect(String(obj)));
+    }
+    // note: in IE 8, sometimes `global !== window` but both are the prototypes of each other
+    /* eslint-env browser */
+    if (typeof window !== 'undefined' && obj === window) {
+        return '{ [object Window] }';
+    }
+    if (
+        (typeof globalThis !== 'undefined' && obj === globalThis)
+        || (typeof global !== 'undefined' && obj === global)
+    ) {
+        return '{ [object globalThis] }';
+    }
+    if (!isDate(obj) && !isRegExp(obj)) {
+        var ys = arrObjKeys(obj, inspect);
+        var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object;
+        var protoTag = obj instanceof Object ? '' : 'null prototype';
+        var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? $slice.call(toStr(obj), 8, -1) : protoTag ? 'Object' : '';
+        var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : '';
+        var tag = constructorTag + (stringTag || protoTag ? '[' + $join.call($concat.call([], stringTag || [], protoTag || []), ': ') + '] ' : '');
+        if (ys.length === 0) { return tag + '{}'; }
+        if (indent) {
+            return tag + '{' + indentedJoin(ys, indent) + '}';
+        }
+        return tag + '{ ' + $join.call(ys, ', ') + ' }';
+    }
+    return String(obj);
+};
+
+function wrapQuotes(s, defaultStyle, opts) {
+    var style = opts.quoteStyle || defaultStyle;
+    var quoteChar = quotes[style];
+    return quoteChar + s + quoteChar;
+}
+
+function quote(s) {
+    return $replace.call(String(s), /"/g, '&quot;');
+}
+
+function canTrustToString(obj) {
+    return !toStringTag || !(typeof obj === 'object' && (toStringTag in obj || typeof obj[toStringTag] !== 'undefined'));
+}
+function isArray(obj) { return toStr(obj) === '[object Array]' && canTrustToString(obj); }
+function isDate(obj) { return toStr(obj) === '[object Date]' && canTrustToString(obj); }
+function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && canTrustToString(obj); }
+function isError(obj) { return toStr(obj) === '[object Error]' && canTrustToString(obj); }
+function isString(obj) { return toStr(obj) === '[object String]' && canTrustToString(obj); }
+function isNumber(obj) { return toStr(obj) === '[object Number]' && canTrustToString(obj); }
+function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && canTrustToString(obj); }
+
+// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives
+function isSymbol(obj) {
+    if (hasShammedSymbols) {
+        return obj && typeof obj === 'object' && obj instanceof Symbol;
+    }
+    if (typeof obj === 'symbol') {
+        return true;
+    }
+    if (!obj || typeof obj !== 'object' || !symToString) {
+        return false;
+    }
+    try {
+        symToString.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isBigInt(obj) {
+    if (!obj || typeof obj !== 'object' || !bigIntValueOf) {
+        return false;
+    }
+    try {
+        bigIntValueOf.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
+function has(obj, key) {
+    return hasOwn.call(obj, key);
+}
+
+function toStr(obj) {
+    return objectToString.call(obj);
+}
+
+function nameOf(f) {
+    if (f.name) { return f.name; }
+    var m = $match.call(functionToString.call(f), /^function\s*([\w$]+)/);
+    if (m) { return m[1]; }
+    return null;
+}
+
+function indexOf(xs, x) {
+    if (xs.indexOf) { return xs.indexOf(x); }
+    for (var i = 0, l = xs.length; i < l; i++) {
+        if (xs[i] === x) { return i; }
+    }
+    return -1;
+}
+
+function isMap(x) {
+    if (!mapSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        mapSize.call(x);
+        try {
+            setSize.call(x);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof Map; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakMap(x) {
+    if (!weakMapHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakMapHas.call(x, weakMapHas);
+        try {
+            weakSetHas.call(x, weakSetHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakMap; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakRef(x) {
+    if (!weakRefDeref || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakRefDeref.call(x);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isSet(x) {
+    if (!setSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        setSize.call(x);
+        try {
+            mapSize.call(x);
+        } catch (m) {
+            return true;
+        }
+        return x instanceof Set; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakSet(x) {
+    if (!weakSetHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakSetHas.call(x, weakSetHas);
+        try {
+            weakMapHas.call(x, weakMapHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakSet; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isElement(x) {
+    if (!x || typeof x !== 'object') { return false; }
+    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
+        return true;
+    }
+    return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';
+}
+
+function inspectString(str, opts) {
+    if (str.length > opts.maxStringLength) {
+        var remaining = str.length - opts.maxStringLength;
+        var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : '');
+        return inspectString($slice.call(str, 0, opts.maxStringLength), opts) + trailer;
+    }
+    var quoteRE = quoteREs[opts.quoteStyle || 'single'];
+    quoteRE.lastIndex = 0;
+    // eslint-disable-next-line no-control-regex
+    var s = $replace.call($replace.call(str, quoteRE, '\\$1'), /[\x00-\x1f]/g, lowbyte);
+    return wrapQuotes(s, 'single', opts);
+}
+
+function lowbyte(c) {
+    var n = c.charCodeAt(0);
+    var x = {
+        8: 'b',
+        9: 't',
+        10: 'n',
+        12: 'f',
+        13: 'r'
+    }[n];
+    if (x) { return '\\' + x; }
+    return '\\x' + (n < 0x10 ? '0' : '') + $toUpperCase.call(n.toString(16));
+}
+
+function markBoxed(str) {
+    return 'Object(' + str + ')';
+}
+
+function weakCollectionOf(type) {
+    return type + ' { ? }';
+}
+
+function collectionOf(type, size, entries, indent) {
+    var joinedEntries = indent ? indentedJoin(entries, indent) : $join.call(entries, ', ');
+    return type + ' (' + size + ') {' + joinedEntries + '}';
+}
+
+function singleLineValues(xs) {
+    for (var i = 0; i < xs.length; i++) {
+        if (indexOf(xs[i], '\n') >= 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+function getIndent(opts, depth) {
+    var baseIndent;
+    if (opts.indent === '\t') {
+        baseIndent = '\t';
+    } else if (typeof opts.indent === 'number' && opts.indent > 0) {
+        baseIndent = $join.call(Array(opts.indent + 1), ' ');
+    } else {
+        return null;
+    }
+    return {
+        base: baseIndent,
+        prev: $join.call(Array(depth + 1), baseIndent)
+    };
+}
+
+function indentedJoin(xs, indent) {
+    if (xs.length === 0) { return ''; }
+    var lineJoiner = '\n' + indent.prev + indent.base;
+    return lineJoiner + $join.call(xs, ',' + lineJoiner) + '\n' + indent.prev;
+}
+
+function arrObjKeys(obj, inspect) {
+    var isArr = isArray(obj);
+    var xs = [];
+    if (isArr) {
+        xs.length = obj.length;
+        for (var i = 0; i < obj.length; i++) {
+            xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
+        }
+    }
+    var syms = typeof gOPS === 'function' ? gOPS(obj) : [];
+    var symMap;
+    if (hasShammedSymbols) {
+        symMap = {};
+        for (var k = 0; k < syms.length; k++) {
+            symMap['$' + syms[k]] = syms[k];
+        }
+    }
+
+    for (var key in obj) { // eslint-disable-line no-restricted-syntax
+        if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) {
+            // this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section
+            continue; // eslint-disable-line no-restricted-syntax, no-continue
+        } else if ($test.call(/[^\w$]/, key)) {
+            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
+        } else {
+            xs.push(key + ': ' + inspect(obj[key], obj));
+        }
+    }
+    if (typeof gOPS === 'function') {
+        for (var j = 0; j < syms.length; j++) {
+            if (isEnumerable.call(obj, syms[j])) {
+                xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj));
+            }
+        }
+    }
+    return xs;
+}
diff --git a/node_modules/object-inspect/package-support.json b/node_modules/object-inspect/package-support.json
new file mode 100644
index 00000000..5cc12d05
--- /dev/null
+++ b/node_modules/object-inspect/package-support.json
@@ -0,0 +1,20 @@
+{
+  "versions": [
+    {
+      "version": "*",
+      "target": {
+        "node": "all"
+      },
+      "response": {
+        "type": "time-permitting"
+      },
+      "backing": {
+        "npm-funding": true,
+        "donations": [
+          "https://github.com/ljharb",
+          "https://tidelift.com/funding/github/npm/object-inspect"
+        ]
+      }
+    }
+  ]
+}
diff --git a/node_modules/object-inspect/package.json b/node_modules/object-inspect/package.json
new file mode 100644
index 00000000..9fd97ff7
--- /dev/null
+++ b/node_modules/object-inspect/package.json
@@ -0,0 +1,105 @@
+{
+  "name": "object-inspect",
+  "version": "1.13.4",
+  "description": "string representations of objects in node and the browser",
+  "main": "index.js",
+  "sideEffects": false,
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.1.1",
+    "@pkgjs/support": "^0.0.6",
+    "auto-changelog": "^2.5.0",
+    "core-js": "^2.6.12",
+    "error-cause": "^1.0.8",
+    "es-value-fixtures": "^1.7.1",
+    "eslint": "=8.8.0",
+    "for-each": "^0.3.4",
+    "functions-have-names": "^1.2.3",
+    "glob": "=10.3.7",
+    "globalthis": "^1.0.4",
+    "has-symbols": "^1.1.0",
+    "has-tostringtag": "^1.0.2",
+    "in-publish": "^2.0.1",
+    "jackspeak": "=2.1.1",
+    "make-arrow-function": "^1.2.0",
+    "mock-property": "^1.1.0",
+    "npmignore": "^0.3.1",
+    "nyc": "^10.3.2",
+    "safe-publish-latest": "^2.0.0",
+    "safer-buffer": "^2.1.2",
+    "semver": "^6.3.1",
+    "string.prototype.repeat": "^1.0.0",
+    "tape": "^5.9.0"
+  },
+  "scripts": {
+    "prepack": "npmignore --auto --commentLines=autogenerated",
+    "prepublish": "not-in-publish || npm run prepublishOnly",
+    "prepublishOnly": "safe-publish-latest",
+    "pretest": "npm run lint",
+    "lint": "eslint --ext=js,mjs .",
+    "postlint": "npx @pkgjs/support validate",
+    "test": "npm run tests-only && npm run test:corejs",
+    "tests-only": "nyc tape 'test/*.js'",
+    "test:corejs": "nyc tape test-core-js.js 'test/*.js'",
+    "posttest": "npx npm@'>=10.2' audit --production",
+    "version": "auto-changelog && git add CHANGELOG.md",
+    "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+  },
+  "testling": {
+    "files": [
+      "test/*.js",
+      "test/browser/*.js"
+    ],
+    "browsers": [
+      "ie/6..latest",
+      "chrome/latest",
+      "firefox/latest",
+      "safari/latest",
+      "opera/latest",
+      "iphone/latest",
+      "ipad/latest",
+      "android/latest"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/inspect-js/object-inspect.git"
+  },
+  "homepage": "https://github.com/inspect-js/object-inspect",
+  "keywords": [
+    "inspect",
+    "util.inspect",
+    "object",
+    "stringify",
+    "pretty"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "funding": {
+    "url": "https://github.com/sponsors/ljharb"
+  },
+  "license": "MIT",
+  "browser": {
+    "./util.inspect.js": false
+  },
+  "auto-changelog": {
+    "output": "CHANGELOG.md",
+    "template": "keepachangelog",
+    "unreleased": false,
+    "commitLimit": false,
+    "backfillLimit": false,
+    "hideCredit": true
+  },
+  "publishConfig": {
+    "ignore": [
+      ".github/workflows",
+      "./test-core-js.js"
+    ]
+  },
+  "support": true,
+  "engines": {
+    "node": ">= 0.4"
+  }
+}
diff --git a/node_modules/object-inspect/readme.markdown b/node_modules/object-inspect/readme.markdown
new file mode 100644
index 00000000..f91617df
--- /dev/null
+++ b/node_modules/object-inspect/readme.markdown
@@ -0,0 +1,84 @@
+# object-inspect <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+string representations of objects in node and the browser
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+# example
+
+## circular
+
+``` js
+var inspect = require('object-inspect');
+var obj = { a: 1, b: [3,4] };
+obj.c = obj;
+console.log(inspect(obj));
+```
+
+## dom element
+
+``` js
+var inspect = require('object-inspect');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([ d, { a: 3, b : 4, c: [5,6,[7,[8,[9]]]] } ]));
+```
+
+output:
+
+```
+[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [ ... ] ] ] ] } ]
+```
+
+# methods
+
+``` js
+var inspect = require('object-inspect')
+```
+
+## var s = inspect(obj, opts={})
+
+Return a string `s` with the string representation of `obj` up to a depth of `opts.depth`.
+
+Additional options:
+  - `quoteStyle`: must be "single" or "double", if present. Default `'single'` for strings, `'double'` for HTML elements.
+  - `maxStringLength`: must be `0`, a positive integer, `Infinity`, or `null`, if present. Default `Infinity`.
+  - `customInspect`: When `true`, a custom inspect method function will be invoked (either undere the `util.inspect.custom` symbol, or the `inspect` property). When the string `'symbol'`, only the symbol method will be invoked. Default `true`.
+  - `indent`: must be "\t", `null`, or a positive integer. Default `null`.
+  - `numericSeparator`: must be a boolean, if present. Default `false`. If `true`, all numbers will be printed with numeric separators (eg, `1234.5678` will be printed as `'1_234.567_8'`)
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install object-inspect
+```
+
+# license
+
+MIT
+
+[package-url]: https://npmjs.org/package/object-inspect
+[npm-version-svg]: https://versionbadg.es/inspect-js/object-inspect.svg
+[deps-svg]: https://david-dm.org/inspect-js/object-inspect.svg
+[deps-url]: https://david-dm.org/inspect-js/object-inspect
+[dev-deps-svg]: https://david-dm.org/inspect-js/object-inspect/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/object-inspect#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/object-inspect.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/object-inspect.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/object-inspect.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=object-inspect
+[codecov-image]: https://codecov.io/gh/inspect-js/object-inspect/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/object-inspect/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/object-inspect
+[actions-url]: https://github.com/inspect-js/object-inspect/actions
diff --git a/node_modules/object-inspect/test-core-js.js b/node_modules/object-inspect/test-core-js.js
new file mode 100644
index 00000000..e53c4002
--- /dev/null
+++ b/node_modules/object-inspect/test-core-js.js
@@ -0,0 +1,26 @@
+'use strict';
+
+require('core-js');
+
+var inspect = require('./');
+var test = require('tape');
+
+test('Maps', function (t) {
+    t.equal(inspect(new Map([[1, 2]])), 'Map (1) {1 => 2}');
+    t.end();
+});
+
+test('WeakMaps', function (t) {
+    t.equal(inspect(new WeakMap([[{}, 2]])), 'WeakMap { ? }');
+    t.end();
+});
+
+test('Sets', function (t) {
+    t.equal(inspect(new Set([[1, 2]])), 'Set (1) {[ 1, 2 ]}');
+    t.end();
+});
+
+test('WeakSets', function (t) {
+    t.equal(inspect(new WeakSet([[1, 2]])), 'WeakSet { ? }');
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/bigint.js b/node_modules/object-inspect/test/bigint.js
new file mode 100644
index 00000000..4ecc31df
--- /dev/null
+++ b/node_modules/object-inspect/test/bigint.js
@@ -0,0 +1,58 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+test('bigint', { skip: typeof BigInt === 'undefined' }, function (t) {
+    t.test('primitives', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(BigInt(-256)), '-256n');
+        st.equal(inspect(BigInt(0)), '0n');
+        st.equal(inspect(BigInt(256)), '256n');
+    });
+
+    t.test('objects', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(Object(BigInt(-256))), 'Object(-256n)');
+        st.equal(inspect(Object(BigInt(0))), 'Object(0n)');
+        st.equal(inspect(Object(BigInt(256))), 'Object(256n)');
+    });
+
+    t.test('syntactic primitives', function (st) {
+        st.plan(3);
+
+        /* eslint-disable no-new-func */
+        st.equal(inspect(Function('return -256n')()), '-256n');
+        st.equal(inspect(Function('return 0n')()), '0n');
+        st.equal(inspect(Function('return 256n')()), '256n');
+    });
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'BigInt';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'BigInt\' }',
+            'object lying about being a BigInt inspects as an object'
+        );
+    });
+
+    t.test('numericSeparator', function (st) {
+        st.equal(inspect(BigInt(0), { numericSeparator: false }), '0n', '0n, numericSeparator false');
+        st.equal(inspect(BigInt(0), { numericSeparator: true }), '0n', '0n, numericSeparator true');
+
+        st.equal(inspect(BigInt(1234), { numericSeparator: false }), '1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(1234), { numericSeparator: true }), '1_234n', '1234n, numericSeparator true');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: false }), '-1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: true }), '-1_234n', '1234n, numericSeparator true');
+
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/browser/dom.js b/node_modules/object-inspect/test/browser/dom.js
new file mode 100644
index 00000000..210c0b23
--- /dev/null
+++ b/node_modules/object-inspect/test/browser/dom.js
@@ -0,0 +1,15 @@
+var inspect = require('../../');
+var test = require('tape');
+
+test('dom element', function (t) {
+    t.plan(1);
+
+    var d = document.createElement('div');
+    d.setAttribute('id', 'beep');
+    d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+    t.equal(
+        inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]),
+        '[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [Object] ] ] ] } ]'
+    );
+});
diff --git a/node_modules/object-inspect/test/circular.js b/node_modules/object-inspect/test/circular.js
new file mode 100644
index 00000000..5df4233c
--- /dev/null
+++ b/node_modules/object-inspect/test/circular.js
@@ -0,0 +1,16 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('circular', function (t) {
+    t.plan(2);
+    var obj = { a: 1, b: [3, 4] };
+    obj.c = obj;
+    t.equal(inspect(obj), '{ a: 1, b: [ 3, 4 ], c: [Circular] }');
+
+    var double = {};
+    double.a = [double];
+    double.b = {};
+    double.b.inner = double.b;
+    double.b.obj = double;
+    t.equal(inspect(double), '{ a: [ [Circular] ], b: { inner: [Circular], obj: [Circular] } }');
+});
diff --git a/node_modules/object-inspect/test/deep.js b/node_modules/object-inspect/test/deep.js
new file mode 100644
index 00000000..99ce32a0
--- /dev/null
+++ b/node_modules/object-inspect/test/deep.js
@@ -0,0 +1,12 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('deep', function (t) {
+    t.plan(4);
+    var obj = [[[[[[500]]]]]];
+    t.equal(inspect(obj), '[ [ [ [ [ [Array] ] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 4 }), '[ [ [ [ [Array] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 2 }), '[ [ [Array] ] ]');
+
+    t.equal(inspect([[[{ a: 1 }]]], { depth: 3 }), '[ [ [ [Object] ] ] ]');
+});
diff --git a/node_modules/object-inspect/test/element.js b/node_modules/object-inspect/test/element.js
new file mode 100644
index 00000000..47fa9e24
--- /dev/null
+++ b/node_modules/object-inspect/test/element.js
@@ -0,0 +1,53 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('element', function (t) {
+    t.plan(3);
+    var elem = {
+        nodeName: 'div',
+        attributes: [{ name: 'class', value: 'row' }],
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div class="row"></div>, 3 ]');
+    t.deepEqual(inspect(obj, { quoteStyle: 'single' }), "[ 1, <div class='row'></div>, 3 ]");
+    t.deepEqual(inspect(obj, { quoteStyle: 'double' }), '[ 1, <div class="row"></div>, 3 ]');
+});
+
+test('element no attr', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+});
+
+test('element with contents', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: [{ nodeName: 'b' }]
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div>...</div>, 3 ]');
+});
+
+test('element instance', function (t) {
+    t.plan(1);
+    var h = global.HTMLElement;
+    global.HTMLElement = function (name, attr) {
+        this.nodeName = name;
+        this.attributes = attr;
+    };
+    global.HTMLElement.prototype.getAttribute = function () {};
+
+    var elem = new global.HTMLElement('div', []);
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+    global.HTMLElement = h;
+});
diff --git a/node_modules/object-inspect/test/err.js b/node_modules/object-inspect/test/err.js
new file mode 100644
index 00000000..cc1d884a
--- /dev/null
+++ b/node_modules/object-inspect/test/err.js
@@ -0,0 +1,48 @@
+var test = require('tape');
+var ErrorWithCause = require('error-cause/Error');
+
+var inspect = require('../');
+
+test('type error', function (t) {
+    t.plan(1);
+    var aerr = new TypeError();
+    aerr.foo = 555;
+    aerr.bar = [1, 2, 3];
+
+    var berr = new TypeError('tuv');
+    berr.baz = 555;
+
+    var cerr = new SyntaxError();
+    cerr.message = 'whoa';
+    cerr['a-b'] = 5;
+
+    var withCause = new ErrorWithCause('foo', { cause: 'bar' });
+    var withCausePlus = new ErrorWithCause('foo', { cause: 'bar' });
+    withCausePlus.foo = 'bar';
+    var withUndefinedCause = new ErrorWithCause('foo', { cause: undefined });
+    var withEnumerableCause = new Error('foo');
+    withEnumerableCause.cause = 'bar';
+
+    var obj = [
+        new TypeError(),
+        new TypeError('xxx'),
+        aerr,
+        berr,
+        cerr,
+        withCause,
+        withCausePlus,
+        withUndefinedCause,
+        withEnumerableCause
+    ];
+    t.equal(inspect(obj), '[ ' + [
+        '[TypeError]',
+        '[TypeError: xxx]',
+        '{ [TypeError] foo: 555, bar: [ 1, 2, 3 ] }',
+        '{ [TypeError: tuv] baz: 555 }',
+        '{ [SyntaxError: whoa] message: \'whoa\', \'a-b\': 5 }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: \'bar\' }',
+        '{ [Error: foo] ' + ('cause' in Error.prototype ? '' : '[cause]: \'bar\', ') + 'foo: \'bar\' }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: undefined }',
+        '{ [Error: foo] cause: \'bar\' }'
+    ].join(', ') + ' ]');
+});
diff --git a/node_modules/object-inspect/test/fakes.js b/node_modules/object-inspect/test/fakes.js
new file mode 100644
index 00000000..a65c08c1
--- /dev/null
+++ b/node_modules/object-inspect/test/fakes.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+var forEach = require('for-each');
+
+test('fakes', { skip: !hasToStringTag }, function (t) {
+    forEach([
+        'Array',
+        'Boolean',
+        'Date',
+        'Error',
+        'Number',
+        'RegExp',
+        'String'
+    ], function (expected) {
+        var faker = {};
+        faker[Symbol.toStringTag] = expected;
+
+        t.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'' + expected + '\' }',
+            'faker masquerading as ' + expected + ' is not shown as one'
+        );
+    });
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/fn.js b/node_modules/object-inspect/test/fn.js
new file mode 100644
index 00000000..de3ca625
--- /dev/null
+++ b/node_modules/object-inspect/test/fn.js
@@ -0,0 +1,76 @@
+var inspect = require('../');
+var test = require('tape');
+var arrow = require('make-arrow-function')();
+var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
+
+test('function', function (t) {
+    t.plan(1);
+    var obj = [1, 2, function f(n) { return n; }, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function: f], 4 ]');
+});
+
+test('function name', function (t) {
+    t.plan(1);
+    var f = (function () {
+        return function () {};
+    }());
+    f.toString = function toStr() { return 'function xxx () {}'; };
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)] { toString: [Function: toStr] }, 4 ]');
+});
+
+test('anon function', function (t) {
+    var f = (function () {
+        return function () {};
+    }());
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)], 4 ]');
+
+    t.end();
+});
+
+test('arrow function', { skip: !arrow }, function (t) {
+    t.equal(inspect(arrow), '[Function (anonymous)]');
+
+    t.end();
+});
+
+test('truly nameless function', { skip: !arrow || !functionsHaveConfigurableNames }, function (t) {
+    function f() {}
+    Object.defineProperty(f, 'name', { value: false });
+    t.equal(f.name, false);
+    t.equal(
+        inspect(f),
+        '[Function: f]',
+        'named function with falsy `.name` does not hide its original name'
+    );
+
+    function g() {}
+    Object.defineProperty(g, 'name', { value: true });
+    t.equal(g.name, true);
+    t.equal(
+        inspect(g),
+        '[Function: true]',
+        'named function with truthy `.name` hides its original name'
+    );
+
+    var anon = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon, 'name', { value: null });
+    t.equal(anon.name, null);
+    t.equal(
+        inspect(anon),
+        '[Function (anonymous)]',
+        'anon function with falsy `.name` does not hide its anonymity'
+    );
+
+    var anon2 = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon2, 'name', { value: 1 });
+    t.equal(anon2.name, 1);
+    t.equal(
+        inspect(anon2),
+        '[Function: 1]',
+        'anon function with truthy `.name` hides its anonymity'
+    );
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/global.js b/node_modules/object-inspect/test/global.js
new file mode 100644
index 00000000..c57216ae
--- /dev/null
+++ b/node_modules/object-inspect/test/global.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var inspect = require('../');
+
+var test = require('tape');
+var globalThis = require('globalthis')();
+
+test('global object', function (t) {
+    /* eslint-env browser */
+    var expected = typeof window === 'undefined' ? 'globalThis' : 'Window';
+    t.equal(
+        inspect([globalThis]),
+        '[ { [object ' + expected + '] } ]'
+    );
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/has.js b/node_modules/object-inspect/test/has.js
new file mode 100644
index 00000000..01800dee
--- /dev/null
+++ b/node_modules/object-inspect/test/has.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+
+test('when Object#hasOwnProperty is deleted', function (t) {
+    t.plan(1);
+    var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
+
+    t.teardown(mockProperty(Array.prototype, 1, { value: 2 })); // this is needed to account for "in" vs "hasOwnProperty"
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect(arr), '[ 1, , 3 ]');
+});
diff --git a/node_modules/object-inspect/test/holes.js b/node_modules/object-inspect/test/holes.js
new file mode 100644
index 00000000..87fc8c84
--- /dev/null
+++ b/node_modules/object-inspect/test/holes.js
@@ -0,0 +1,15 @@
+var test = require('tape');
+var inspect = require('../');
+
+var xs = ['a', 'b'];
+xs[5] = 'f';
+xs[7] = 'j';
+xs[8] = 'k';
+
+test('holes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(xs),
+        "[ 'a', 'b', , , , 'f', , 'j', 'k' ]"
+    );
+});
diff --git a/node_modules/object-inspect/test/indent-option.js b/node_modules/object-inspect/test/indent-option.js
new file mode 100644
index 00000000..89d8fced
--- /dev/null
+++ b/node_modules/object-inspect/test/indent-option.js
@@ -0,0 +1,271 @@
+var test = require('tape');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('bad indent options', function (t) {
+    forEach([
+        undefined,
+        true,
+        false,
+        -1,
+        1.2,
+        Infinity,
+        -Infinity,
+        NaN
+    ], function (indent) {
+        t['throws'](
+            function () { inspect('', { indent: indent }); },
+            TypeError,
+            inspect(indent) + ' is invalid'
+        );
+    });
+
+    t.end();
+});
+
+test('simple object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: 2 };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: 2',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: 2',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('two deep object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: { c: 3, d: 4 } };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: {',
+        '    c: 3,',
+        '    d: 4',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: {',
+        '		c: 3,',
+        '		d: 4',
+        '	}',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('simple array with all single line elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, 2, 3, 'asdf\nsdf'];
+
+    var expected = '[ 1, 2, 3, \'asdf\\nsdf\' ]';
+
+    t.equal(inspect(obj, { indent: 2 }), expected, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expected, 'tabs');
+});
+
+test('array with complex elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, { a: 1, b: { c: 1 } }, 'asdf\nsdf'];
+
+    var expectedSpaces = [
+        '[',
+        '  1,',
+        '  {',
+        '    a: 1,',
+        '    b: {',
+        '      c: 1',
+        '    }',
+        '  },',
+        '  \'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	1,',
+        '	{',
+        '		a: 1,',
+        '		b: {',
+        '			c: 1',
+        '		}',
+        '	},',
+        '	\'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('values', function (t) {
+    t.plan(2);
+    var obj = [{}, [], { 'a-b': 5 }];
+
+    var expectedSpaces = [
+        '[',
+        '  {},',
+        '  [],',
+        '  {',
+        '    \'a-b\': 5',
+        '  }',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	{},',
+        '	[],',
+        '	{',
+        '		\'a-b\': 5',
+        '	}',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+
+    var expectedStringSpaces = [
+        'Map (2) {',
+        '  { a: 1 } => [ \'b\' ],',
+        '  3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Map (2) {',
+        '	{ a: 1 } => [ \'b\' ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabsDoubleQuotes = [
+        'Map (2) {',
+        '	{ a: 1 } => [ "b" ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+
+    t.equal(
+        inspect(map, { indent: 2 }),
+        expectedStringSpaces,
+        'Map keys are not indented (two)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t' }),
+        expectedStringTabs,
+        'Map keys are not indented (tabs)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t', quoteStyle: 'double' }),
+        expectedStringTabsDoubleQuotes,
+        'Map keys are not indented (tabs + double quotes)'
+    );
+
+    t.equal(inspect(new Map(), { indent: 2 }), 'Map (0) {}', 'empty Map should show as empty (two)');
+    t.equal(inspect(new Map(), { indent: '\t' }), 'Map (0) {}', 'empty Map should show as empty (tabs)');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    var expectedNestedSpaces = [
+        'Map (1) {',
+        '  [Circular] => Map (2) {',
+        '    { a: 1 } => [ \'b\' ],',
+        '    3 => NaN',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Map (1) {',
+        '	[Circular] => Map (2) {',
+        '		{ a: 1 } => [ \'b\' ],',
+        '		3 => NaN',
+        '	}',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedMap, { indent: 2 }), expectedNestedSpaces, 'Map containing a Map should work (two)');
+    t.equal(inspect(nestedMap, { indent: '\t' }), expectedNestedTabs, 'Map containing a Map should work (tabs)');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedStringSpaces = [
+        'Set (2) {',
+        '  {',
+        '    a: 1',
+        '  },',
+        '  [ \'b\' ]',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Set (2) {',
+        '	{',
+        '		a: 1',
+        '	},',
+        '	[ \'b\' ]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(set, { indent: 2 }), expectedStringSpaces, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (two)');
+    t.equal(inspect(set, { indent: '\t' }), expectedStringTabs, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (tabs)');
+
+    t.equal(inspect(new Set(), { indent: 2 }), 'Set (0) {}', 'empty Set should show as empty (two)');
+    t.equal(inspect(new Set(), { indent: '\t' }), 'Set (0) {}', 'empty Set should show as empty (tabs)');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    var expectedNestedSpaces = [
+        'Set (2) {',
+        '  Set (2) {',
+        '    {',
+        '      a: 1',
+        '    },',
+        '    [ \'b\' ]',
+        '  },',
+        '  [Circular]',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Set (2) {',
+        '	Set (2) {',
+        '		{',
+        '			a: 1',
+        '		},',
+        '		[ \'b\' ]',
+        '	},',
+        '	[Circular]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedSet, { indent: 2 }), expectedNestedSpaces, 'Set containing a Set should work (two)');
+    t.equal(inspect(nestedSet, { indent: '\t' }), expectedNestedTabs, 'Set containing a Set should work (tabs)');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/inspect.js b/node_modules/object-inspect/test/inspect.js
new file mode 100644
index 00000000..1abf81b1
--- /dev/null
+++ b/node_modules/object-inspect/test/inspect.js
@@ -0,0 +1,139 @@
+var test = require('tape');
+var hasSymbols = require('has-symbols/shams')();
+var utilInspect = require('../util.inspect');
+var repeat = require('string.prototype.repeat');
+
+var inspect = require('..');
+
+test('inspect', function (t) {
+    t.plan(5);
+
+    var obj = [{ inspect: function xyzInspect() { return '!XYZ¡'; } }, []];
+    var stringResult = '[ !XYZ¡, [] ]';
+    var falseResult = '[ { inspect: [Function: xyzInspect] }, [] ]';
+
+    t.equal(inspect(obj), stringResult);
+    t.equal(inspect(obj, { customInspect: true }), stringResult);
+    t.equal(inspect(obj, { customInspect: 'symbol' }), falseResult);
+    t.equal(inspect(obj, { customInspect: false }), falseResult);
+    t['throws'](
+        function () { inspect(obj, { customInspect: 'not a boolean or "symbol"' }); },
+        TypeError,
+        '`customInspect` must be a boolean or the string "symbol"'
+    );
+});
+
+test('inspect custom symbol', { skip: !hasSymbols || !utilInspect || !utilInspect.custom }, function (t) {
+    t.plan(4);
+
+    var obj = { inspect: function stringInspect() { return 'string'; } };
+    obj[utilInspect.custom] = function custom() { return 'symbol'; };
+
+    var symbolResult = '[ symbol, [] ]';
+    var stringResult = '[ string, [] ]';
+    var falseResult = '[ { inspect: [Function: stringInspect]' + (utilInspect.custom ? ', [' + inspect(utilInspect.custom) + ']: [Function: custom]' : '') + ' }, [] ]';
+
+    var symbolStringFallback = utilInspect.custom ? symbolResult : stringResult;
+    var symbolFalseFallback = utilInspect.custom ? symbolResult : falseResult;
+
+    t.equal(inspect([obj, []]), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: true }), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: 'symbol' }), symbolFalseFallback);
+    t.equal(inspect([obj, []], { customInspect: false }), falseResult);
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    t.plan(2);
+
+    var obj = { a: 1 };
+    obj[Symbol('test')] = 2;
+    obj[Symbol.iterator] = 3;
+    Object.defineProperty(obj, Symbol('non-enum'), {
+        enumerable: false,
+        value: 4
+    });
+
+    if (typeof Symbol.iterator === 'symbol') {
+        t.equal(inspect(obj), '{ a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }', 'object with symbols');
+        t.equal(inspect([obj, []]), '[ { a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }, [] ]', 'object with symbols in array');
+    } else {
+        // symbol sham key ordering is unreliable
+        t.match(
+            inspect(obj),
+            /^(?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 })$/,
+            'object with symbols (nondeterministic symbol sham key ordering)'
+        );
+        t.match(
+            inspect([obj, []]),
+            /^\[ (?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 }), \[\] \]$/,
+            'object with symbols in array (nondeterministic symbol sham key ordering)'
+        );
+    }
+});
+
+test('maxStringLength', function (t) {
+    t['throws'](
+        function () { inspect('', { maxStringLength: -1 }); },
+        TypeError,
+        'maxStringLength must be >= 0, or Infinity, not negative'
+    );
+
+    var str = repeat('a', 1e8);
+
+    t.equal(
+        inspect([str], { maxStringLength: 10 }),
+        '[ \'aaaaaaaaaa\'... 99999990 more characters ]',
+        'maxStringLength option limits output'
+    );
+
+    t.equal(
+        inspect(['f'], { maxStringLength: null }),
+        '[ \'\'... 1 more character ]',
+        'maxStringLength option accepts `null`'
+    );
+
+    t.equal(
+        inspect([str], { maxStringLength: Infinity }),
+        '[ \'' + str + '\' ]',
+        'maxStringLength option accepts ∞'
+    );
+
+    t.end();
+});
+
+test('inspect options', { skip: !utilInspect.custom }, function (t) {
+    var obj = {};
+    obj[utilInspect.custom] = function () {
+        return JSON.stringify(arguments);
+    };
+    t.equal(
+        inspect(obj),
+        utilInspect(obj, { depth: 5 }),
+        'custom symbols will use node\'s inspect'
+    );
+    t.equal(
+        inspect(obj, { depth: 2 }),
+        utilInspect(obj, { depth: 2 }),
+        'a reduced depth will be passed to node\'s inspect'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 3 }),
+        '{ d1: ' + utilInspect(obj, { depth: 2 }) + ' }',
+        'deep objects will receive a reduced depth'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 1 }),
+        '{ d1: [Object] }',
+        'unlike nodejs inspect, customInspect will not be used once the depth is exceeded.'
+    );
+    t.end();
+});
+
+test('inspect URL', { skip: typeof URL === 'undefined' }, function (t) {
+    t.match(
+        inspect(new URL('https://nodejs.org')),
+        /nodejs\.org/, // Different environments stringify it differently
+        'url can be inspected'
+    );
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/lowbyte.js b/node_modules/object-inspect/test/lowbyte.js
new file mode 100644
index 00000000..68a345d8
--- /dev/null
+++ b/node_modules/object-inspect/test/lowbyte.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { x: 'a\r\nb', y: '\x05! \x1f \x12' };
+
+test('interpolate low bytes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        "{ x: 'a\\r\\nb', y: '\\x05! \\x1F \\x12' }"
+    );
+});
diff --git a/node_modules/object-inspect/test/number.js b/node_modules/object-inspect/test/number.js
new file mode 100644
index 00000000..8f287e8e
--- /dev/null
+++ b/node_modules/object-inspect/test/number.js
@@ -0,0 +1,58 @@
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('negative zero', function (t) {
+    t.equal(inspect(0), '0', 'inspect(0) === "0"');
+    t.equal(inspect(Object(0)), 'Object(0)', 'inspect(Object(0)) === "Object(0)"');
+
+    t.equal(inspect(-0), '-0', 'inspect(-0) === "-0"');
+    t.equal(inspect(Object(-0)), 'Object(-0)', 'inspect(Object(-0)) === "Object(-0)"');
+
+    t.end();
+});
+
+test('numericSeparator', function (t) {
+    forEach(v.nonBooleans, function (nonBoolean) {
+        t['throws'](
+            function () { inspect(true, { numericSeparator: nonBoolean }); },
+            TypeError,
+            inspect(nonBoolean) + ' is not a boolean'
+        );
+    });
+
+    t.test('3 digit numbers', function (st) {
+        var failed = false;
+        for (var i = -999; i < 1000; i += 1) {
+            var actual = inspect(i);
+            var actualSepNo = inspect(i, { numericSeparator: false });
+            var actualSepYes = inspect(i, { numericSeparator: true });
+            var expected = String(i);
+            if (actual !== expected || actualSepNo !== expected || actualSepYes !== expected) {
+                failed = true;
+                t.equal(actual, expected);
+                t.equal(actualSepNo, expected);
+                t.equal(actualSepYes, expected);
+            }
+        }
+
+        st.notOk(failed, 'all 3 digit numbers passed');
+
+        st.end();
+    });
+
+    t.equal(inspect(1e3), '1000', '1000');
+    t.equal(inspect(1e3, { numericSeparator: false }), '1000', '1000, numericSeparator false');
+    t.equal(inspect(1e3, { numericSeparator: true }), '1_000', '1000, numericSeparator true');
+    t.equal(inspect(-1e3), '-1000', '-1000');
+    t.equal(inspect(-1e3, { numericSeparator: false }), '-1000', '-1000, numericSeparator false');
+    t.equal(inspect(-1e3, { numericSeparator: true }), '-1_000', '-1000, numericSeparator true');
+
+    t.equal(inspect(1234.5678, { numericSeparator: true }), '1_234.567_8', 'fractional numbers get separators');
+    t.equal(inspect(1234.56789, { numericSeparator: true }), '1_234.567_89', 'fractional numbers get separators');
+    t.equal(inspect(1234.567891, { numericSeparator: true }), '1_234.567_891', 'fractional numbers get separators');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/quoteStyle.js b/node_modules/object-inspect/test/quoteStyle.js
new file mode 100644
index 00000000..da23e630
--- /dev/null
+++ b/node_modules/object-inspect/test/quoteStyle.js
@@ -0,0 +1,26 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+
+test('quoteStyle option', function (t) {
+    t['throws'](function () { inspect(null, { quoteStyle: false }); }, 'false is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: true }); }, 'true is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: '' }); }, '"" is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: {} }); }, '{} is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: [] }); }, '[] is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: 42 }); }, '42 is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: NaN }); }, 'NaN is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: function () {} }); }, 'a function is not a valid value');
+
+    t.equal(inspect('"', { quoteStyle: 'single' }), '\'"\'', 'double quote, quoteStyle: "single"');
+    t.equal(inspect('"', { quoteStyle: 'double' }), '"\\""', 'double quote, quoteStyle: "double"');
+
+    t.equal(inspect('\'', { quoteStyle: 'single' }), '\'\\\'\'', 'single quote, quoteStyle: "single"');
+    t.equal(inspect('\'', { quoteStyle: 'double' }), '"\'"', 'single quote, quoteStyle: "double"');
+
+    t.equal(inspect('`', { quoteStyle: 'single' }), '\'`\'', 'backtick, quoteStyle: "single"');
+    t.equal(inspect('`', { quoteStyle: 'double' }), '"`"', 'backtick, quoteStyle: "double"');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/toStringTag.js b/node_modules/object-inspect/test/toStringTag.js
new file mode 100644
index 00000000..95f82703
--- /dev/null
+++ b/node_modules/object-inspect/test/toStringTag.js
@@ -0,0 +1,40 @@
+'use strict';
+
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+var inspect = require('../');
+
+test('Symbol.toStringTag', { skip: !hasToStringTag }, function (t) {
+    t.plan(4);
+
+    var obj = { a: 1 };
+    t.equal(inspect(obj), '{ a: 1 }', 'object, no Symbol.toStringTag');
+
+    obj[Symbol.toStringTag] = 'foo';
+    t.equal(inspect(obj), '{ a: 1, [Symbol(Symbol.toStringTag)]: \'foo\' }', 'object with Symbol.toStringTag');
+
+    t.test('null objects', { skip: 'toString' in { __proto__: null } }, function (st) {
+        st.plan(2);
+
+        var dict = { __proto__: null, a: 1 };
+        st.equal(inspect(dict), '[Object: null prototype] { a: 1 }', 'null object with Symbol.toStringTag');
+
+        dict[Symbol.toStringTag] = 'Dict';
+        st.equal(inspect(dict), '[Dict: null prototype] { a: 1, [Symbol(Symbol.toStringTag)]: \'Dict\' }', 'null object with Symbol.toStringTag');
+    });
+
+    t.test('instances', function (st) {
+        st.plan(4);
+
+        function C() {
+            this.a = 1;
+        }
+        st.equal(Object.prototype.toString.call(new C()), '[object Object]', 'instance, no toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C { a: 1 }', 'instance, no toStringTag');
+
+        C.prototype[Symbol.toStringTag] = 'Class!';
+        st.equal(Object.prototype.toString.call(new C()), '[object Class!]', 'instance, with toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C [Class!] { a: 1 }', 'instance, with toStringTag');
+    });
+});
diff --git a/node_modules/object-inspect/test/undef.js b/node_modules/object-inspect/test/undef.js
new file mode 100644
index 00000000..e3f49612
--- /dev/null
+++ b/node_modules/object-inspect/test/undef.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { a: 1, b: [3, 4, undefined, null], c: undefined, d: null };
+
+test('undef and null', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        '{ a: 1, b: [ 3, 4, undefined, null ], c: undefined, d: null }'
+    );
+});
diff --git a/node_modules/object-inspect/test/values.js b/node_modules/object-inspect/test/values.js
new file mode 100644
index 00000000..15986cd0
--- /dev/null
+++ b/node_modules/object-inspect/test/values.js
@@ -0,0 +1,261 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+var hasSymbols = require('has-symbols/shams')();
+var hasToStringTag = require('has-tostringtag/shams')();
+var forEach = require('for-each');
+var semver = require('semver');
+
+test('values', function (t) {
+    t.plan(1);
+    var obj = [{}, [], { 'a-b': 5 }];
+    t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
+});
+
+test('arrays with properties', function (t) {
+    t.plan(1);
+    var arr = [3];
+    arr.foo = 'bar';
+    var obj = [1, 2, arr];
+    obj.baz = 'quux';
+    obj.index = -1;
+    t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
+});
+
+test('has', function (t) {
+    t.plan(1);
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
+});
+
+test('indexOf seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3, {}];
+    xs.push(xs);
+
+    var seen = [];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[ 1, 2, 3, {}, [Circular] ]'
+    );
+});
+
+test('seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('seen seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [5, xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    var sym = Symbol('foo');
+    t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
+    if (typeof sym === 'symbol') {
+        // Symbol shams are incapable of differentiating boxed from unboxed symbols
+        t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
+    }
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'Symbol';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }',
+            'object lying about being a Symbol inspects as an object'
+        );
+    });
+
+    t.end();
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+    var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
+    t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
+    t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
+
+    t.end();
+});
+
+test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
+    var map = new WeakMap();
+    map.set({ a: 1 }, ['b']);
+    var expectedString = 'WeakMap { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
+    t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
+    t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
+    t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
+
+    t.end();
+});
+
+test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
+    var map = new WeakSet();
+    map.add({ a: 1 });
+    var expectedString = 'WeakSet { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
+    t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
+
+    t.end();
+});
+
+test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) {
+    var ref = new WeakRef({ a: 1 });
+    var expectedString = 'WeakRef { ? }';
+    t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents');
+
+    t.end();
+});
+
+test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) {
+    var registry = new FinalizationRegistry(function () {});
+    var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}';
+    t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys');
+
+    t.end();
+});
+
+test('Strings', function (t) {
+    var str = 'abc';
+
+    t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
+    t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
+    t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
+    t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
+    t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
+    t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
+
+    t.end();
+});
+
+test('Numbers', function (t) {
+    var num = 42;
+
+    t.equal(inspect(num), String(num), 'primitive number shows as such');
+    t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
+
+    t.end();
+});
+
+test('Booleans', function (t) {
+    t.equal(inspect(true), String(true), 'primitive true shows as such');
+    t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
+
+    t.equal(inspect(false), String(false), 'primitive false shows as such');
+    t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
+
+    t.end();
+});
+
+test('Date', function (t) {
+    var now = new Date();
+    t.equal(inspect(now), String(now), 'Date shows properly');
+    t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly');
+
+    t.end();
+});
+
+test('RegExps', function (t) {
+    t.equal(inspect(/a/g), '/a/g', 'regex shows properly');
+    t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly');
+
+    var match = 'abc abc'.match(/[ab]+/);
+    delete match.groups; // for node < 10
+    t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly');
+
+    t.end();
+});
+
+test('Proxies', { skip: typeof Proxy !== 'function' || !hasToStringTag }, function (t) {
+    var target = { proxy: true };
+    var fake = new Proxy(target, { has: function () { return false; } });
+
+    // needed to work around a weird difference in node v6.0 - v6.4 where non-present properties are not logged
+    var isNode60 = semver.satisfies(process.version, '6.0 - 6.4');
+
+    forEach([
+        'Boolean',
+        'Number',
+        'String',
+        'Symbol',
+        'Date'
+    ], function (tag) {
+        target[Symbol.toStringTag] = tag;
+
+        t.equal(
+            inspect(fake),
+            '{ ' + (isNode60 ? '' : 'proxy: true, ') + '[Symbol(Symbol.toStringTag)]: \'' + tag + '\' }',
+            'Proxy for + ' + tag + ' shows as the target, which has no slots'
+        );
+    });
+
+    t.end();
+});
+
+test('fakers', { skip: !hasToStringTag }, function (t) {
+    var target = { proxy: false };
+
+    forEach([
+        'Boolean',
+        'Number',
+        'String',
+        'Symbol',
+        'Date'
+    ], function (tag) {
+        target[Symbol.toStringTag] = tag;
+
+        t.equal(
+            inspect(target),
+            '{ proxy: false, [Symbol(Symbol.toStringTag)]: \'' + tag + '\' }',
+            'Object pretending to be ' + tag + ' does not trick us'
+        );
+    });
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/util.inspect.js b/node_modules/object-inspect/util.inspect.js
new file mode 100644
index 00000000..7784fab5
--- /dev/null
+++ b/node_modules/object-inspect/util.inspect.js
@@ -0,0 +1 @@
+module.exports = require('util').inspect;
diff --git a/node_modules/object-keys/.editorconfig b/node_modules/object-keys/.editorconfig
new file mode 100644
index 00000000..eaa21416
--- /dev/null
+++ b/node_modules/object-keys/.editorconfig
@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = tab;
+insert_final_newline = true;
+quote_type = auto;
+space_after_anonymous_functions = true;
+space_after_control_statements = true;
+spaces_around_operators = true;
+trim_trailing_whitespace = true;
+spaces_in_brackets = false;
+end_of_line = lf;
+
diff --git a/node_modules/object-keys/.eslintrc b/node_modules/object-keys/.eslintrc
new file mode 100644
index 00000000..9a8d5b0e
--- /dev/null
+++ b/node_modules/object-keys/.eslintrc
@@ -0,0 +1,17 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"complexity": [2, 23],
+		"id-length": [2, { "min": 1, "max": 40 }],
+		"max-params": [2, 3],
+		"max-statements": [2, 23],
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-extra-parens": [1],
+		"no-invalid-this": [1],
+		"no-restricted-syntax": [2, "BreakStatement", "ContinueStatement", "LabeledStatement", "WithStatement"],
+		"operator-linebreak": [2, "after"]
+	}
+}
diff --git a/node_modules/object-keys/.travis.yml b/node_modules/object-keys/.travis.yml
new file mode 100644
index 00000000..94a6ce42
--- /dev/null
+++ b/node_modules/object-keys/.travis.yml
@@ -0,0 +1,277 @@
+language: node_js
+os:
+ - linux
+node_js:
+  - "11.8"
+  - "10.15"
+  - "9.11"
+  - "8.15"
+  - "7.10"
+  - "6.16"
+  - "5.12"
+  - "4.9"
+  - "iojs-v3.3"
+  - "iojs-v2.5"
+  - "iojs-v1.8"
+  - "0.12"
+  - "0.10"
+  - "0.8"
+before_install:
+  - 'case "${TRAVIS_NODE_VERSION}" in 0.*) export NPM_CONFIG_STRICT_SSL=false ;; esac'
+  - 'nvm install-latest-npm'
+install:
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.9" ]; then nvm install --latest-npm 0.8 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
+script:
+  - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
+  - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi'
+  - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi'
+  - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
+sudo: false
+env:
+  - TEST=true
+matrix:
+  fast_finish: true
+  include:
+    - node_js: "lts/*"
+      env: PRETEST=true
+    - node_js: "lts/*"
+      env: POSTTEST=true
+    - node_js: "4"
+      env: COVERAGE=true
+    - node_js: "11.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.14"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.12"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.14"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.12"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.15"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.14"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.12"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.4"
+      env: TEST=true ALLOW_FAILURE=true
+  allow_failures:
+    - os: osx
+    - env: TEST=true ALLOW_FAILURE=true
+    - env: COVERAGE=true
+    - env: POSTTEST=true
diff --git a/node_modules/object-keys/CHANGELOG.md b/node_modules/object-keys/CHANGELOG.md
new file mode 100644
index 00000000..b7d92df2
--- /dev/null
+++ b/node_modules/object-keys/CHANGELOG.md
@@ -0,0 +1,232 @@
+1.1.1 / 2019-04-06
+=================
+  * [Fix] exclude deprecated Firefox keys (#53)
+
+1.1.0 / 2019-02-10
+=================
+  * [New] [Refactor] move full implementation to `implementation` entry point
+  * [Refactor] only evaluate the implementation if `Object.keys` is not present
+  * [Tests] up to `node` `v11.8`, `v10.15`, `v8.15`, `v6.16`
+  * [Tests] remove jscs
+  * [Tests] switch to `npm audit` from `nsp`
+
+1.0.12 / 2018-06-18
+=================
+  * [Fix] avoid accessing `window.applicationCache`, to avoid issues with latest Chrome on HTTP (#46)
+
+1.0.11 / 2016-07-05
+=================
+  * [Fix] exclude keys regarding the style (eg. `pageYOffset`) on `window` to avoid reflow (#32)
+
+1.0.10 / 2016-07-04
+=================
+  * [Fix] exclude `height` and `width` keys on `window` to avoid reflow (#31)
+  * [Fix] In IE 6, `window.external` makes `Object.keys` throw
+  * [Tests] up to `node` `v6.2`, `v5.10`, `v4.4`
+  * [Tests] use pretest/posttest for linting/security
+  * [Dev Deps] update `tape`, `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`
+  * [Dev Deps] remove unused eccheck script + dep
+
+1.0.9 / 2015-10-19
+=================
+  * [Fix] Blacklist 'frame' property on window (#16, #17)
+  * [Dev Deps] update `jscs`, `eslint`, `@ljharb/eslint-config`
+
+1.0.8 / 2015-10-14
+=================
+  * [Fix] wrap automation equality bug checking in try/catch, per [es5-shim#327](https://github.com/es-shims/es5-shim/issues/327)
+  * [Fix] Blacklist 'window.frameElement' per [es5-shim#322](https://github.com/es-shims/es5-shim/issues/322)
+  * [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG
+  * [Tests] up to `io.js` `v3.3`, `node` `v4.2`
+  * [Dev Deps] update `eslint`, `tape`, `@ljharb/eslint-config`, `jscs`
+
+1.0.7 / 2015-07-18
+=================
+  * [Fix] A proper fix for 176f03335e90d5c8d0d8125a99f27819c9b9cdad / https://github.com/es-shims/es5-shim/issues/275 that doesn't break dontEnum/constructor fixes in IE 8.
+  * [Fix] Remove deprecation message in Chrome by touching deprecated window properties (#15)
+  * [Tests] Improve test output for automation equality bugfix
+  * [Tests] Test on `io.js` `v2.4`
+
+1.0.6 / 2015-07-09
+=================
+  * [Fix] Use an object lookup rather than ES5's `indexOf` (#14)
+  * [Tests] ES3 browsers don't have `Array.isArray`
+  * [Tests] Fix `no-shadow` rule, as well as an IE 8 bug caused by engine NFE shadowing bugs.
+
+1.0.5 / 2015-07-03
+=================
+  * [Fix] Fix a flabbergasting IE 8 bug where `localStorage.constructor.prototype === localStorage` throws
+  * [Tests] Test up to `io.js` `v2.3`
+  * [Dev Deps] Update `nsp`, `eslint`
+
+1.0.4 / 2015-05-23
+=================
+  * Fix a Safari 5.0 bug with `Object.keys` not working with `arguments`
+  * Test on latest `node` and `io.js`
+  * Update `jscs`, `tape`, `eslint`, `nsp`, `is`, `editorconfig-tools`, `covert`
+
+1.0.3 / 2015-01-06
+=================
+  * Revert "Make `object-keys` more robust against later environment tampering" to maintain ES3 compliance
+
+1.0.2 / 2014-12-28
+=================
+  * Update lots of dev dependencies
+  * Tweaks to README
+  * Make `object-keys` more robust against later environment tampering
+
+1.0.1 / 2014-09-03
+=================
+  * Update URLs and badges in README
+
+1.0.0 / 2014-08-26
+=================
+  * v1.0.0
+
+0.6.1 / 2014-08-25
+=================
+  * v0.6.1
+  * Updating dependencies (tape, covert, is)
+  * Update badges in readme
+  * Use separate var statements
+
+0.6.0 / 2014-04-23
+=================
+  * v0.6.0
+  * Updating dependencies (tape, covert)
+  * Make sure boxed primitives, and arguments objects, work properly in ES3 browsers
+  * Improve test matrix: test all node versions, but only latest two stables are a failure
+  * Remove internal foreach shim.
+
+0.5.1 / 2014-03-09
+=================
+  * 0.5.1
+  * Updating dependencies (tape, covert, is)
+  * Removing forEach from the module (but keeping it in tests)
+
+0.5.0 / 2014-01-30
+=================
+  * 0.5.0
+  * Explicitly returning the shim, instead of returning native Object.keys when present
+  * Adding a changelog.
+  * Cleaning up IIFE wrapping
+  * Testing on node 0.4 through 0.11
+
+0.4.0 / 2013-08-14
+==================
+
+  * v0.4.0
+  * In Chrome 4-10 and Safari 4, typeof (new RegExp) === 'function'
+  * If it's a string, make sure to use charAt instead of brackets.
+  * Only use Function#call if necessary.
+  * Making sure the context tests actually run.
+  * Better function detection
+  * Adding the android browser
+  * Fixing testling files
+  * Updating tape
+  * Removing the "is" dependency.
+  * Making an isArguments shim.
+  * Adding a local forEach shim and tests.
+  * Updating paths.
+  * Moving the shim test.
+  * v0.3.0
+
+0.3.0 / 2013-05-18
+==================
+
+  * README tweak.
+  * Fixing constructor enum issue. Fixes [#5](https://github.com/ljharb/object-keys/issues/5).
+  * Adding a test for [#5](https://github.com/ljharb/object-keys/issues/5)
+  * Updating readme.
+  * Updating dependencies.
+  * Giving credit to lodash.
+  * Make sure that a prototype's constructor property is not enumerable. Fixes [#3](https://github.com/ljharb/object-keys/issues/3).
+  * Adding additional tests to handle arguments objects, and to skip "prototype" in functions. Fixes [#2](https://github.com/ljharb/object-keys/issues/2).
+  * Fixing a typo on this test for [#3](https://github.com/ljharb/object-keys/issues/3).
+  * Adding node 0.10 to travis.
+  * Adding an IE < 9 test per [#3](https://github.com/ljharb/object-keys/issues/3)
+  * Adding an iOS 5 mobile Safari test per [#2](https://github.com/ljharb/object-keys/issues/2)
+  * Moving "indexof" and "is" to be dev dependencies.
+  * Making sure the shim works with functions.
+  * Flattening the tests.
+
+0.2.0 / 2013-05-10
+==================
+
+  * v0.2.0
+  * Object.keys should work with arrays.
+
+0.1.8 / 2013-05-10
+==================
+
+  * v0.1.8
+  * Upgrading dependencies.
+  * Using a simpler check.
+  * Fixing a bug in hasDontEnumBug browsers.
+  * Using the newest tape!
+  * Fixing this error test.
+  * "undefined" is probably a reserved word in ES3.
+  * Better test message.
+
+0.1.7 / 2013-04-17
+==================
+
+  * Upgrading "is" once more.
+  * The key "null" is breaking some browsers.
+
+0.1.6 / 2013-04-17
+==================
+
+  * v0.1.6
+  * Upgrading "is"
+
+0.1.5 / 2013-04-14
+==================
+
+  * Bumping version.
+  * Adding more testling browsers.
+  * Updating "is"
+
+0.1.4 / 2013-04-08
+==================
+
+  * Using "is" instead of "is-extended".
+
+0.1.3 / 2013-04-07
+==================
+
+  * Using "foreach" instead of my own shim.
+  * Removing "tap"; I'll just wait for "tape" to fix its node 0.10 bug.
+
+0.1.2 / 2013-04-03
+==================
+
+  * Adding dependency status; moving links to an index at the bottom.
+  * Upgrading is-extended; version 0.1.2
+  * Adding an npm version badge.
+
+0.1.1 / 2013-04-01
+==================
+
+  * Adding Travis CI.
+  * Bumping the version.
+  * Adding indexOf since IE sucks.
+  * Adding a forEach shim since older browsers don't have Array#forEach.
+  * Upgrading tape - 0.3.2 uses Array#map
+  * Using explicit end instead of plan.
+  * Can't test with Array.isArray in older browsers.
+  * Using is-extended.
+  * Fixing testling files.
+  * JSHint/JSLint-ing.
+  * Removing an unused object.
+  * Using strict mode.
+
+0.1.0 / 2013-03-30
+==================
+
+  * Changing the exports should have meant a higher version bump.
+  * Oops, fixing the repo URL.
+  * Adding more tests.
+  * 0.0.2
+  * Merge branch 'export_one_thing'; closes [#1](https://github.com/ljharb/object-keys/issues/1)
+  * Move shim export to a separate file.
diff --git a/node_modules/object-keys/LICENSE b/node_modules/object-keys/LICENSE
new file mode 100644
index 00000000..28553fdd
--- /dev/null
+++ b/node_modules/object-keys/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (C) 2013 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/object-keys/README.md b/node_modules/object-keys/README.md
new file mode 100644
index 00000000..ed4c2770
--- /dev/null
+++ b/node_modules/object-keys/README.md
@@ -0,0 +1,76 @@
+#object-keys <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![Build Status][travis-svg]][travis-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+[![browser support][testling-svg]][testling-url]
+
+An Object.keys shim. Invoke its "shim" method to shim Object.keys if it is unavailable.
+
+Most common usage:
+```js
+var keys = Object.keys || require('object-keys');
+```
+
+## Example
+
+```js
+var keys = require('object-keys');
+var assert = require('assert');
+var obj = {
+	a: true,
+	b: true,
+	c: true
+};
+
+assert.deepEqual(keys(obj), ['a', 'b', 'c']);
+```
+
+```js
+var keys = require('object-keys');
+var assert = require('assert');
+/* when Object.keys is not present */
+delete Object.keys;
+var shimmedKeys = keys.shim();
+assert.equal(shimmedKeys, keys);
+assert.deepEqual(Object.keys(obj), keys(obj));
+```
+
+```js
+var keys = require('object-keys');
+var assert = require('assert');
+/* when Object.keys is present */
+var shimmedKeys = keys.shim();
+assert.equal(shimmedKeys, Object.keys);
+assert.deepEqual(Object.keys(obj), keys(obj));
+```
+
+## Source
+Implementation taken directly from [es5-shim][es5-shim-url], with modifications, including from [lodash][lodash-url].
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/object-keys
+[npm-version-svg]: http://versionbadg.es/ljharb/object-keys.svg
+[travis-svg]: https://travis-ci.org/ljharb/object-keys.svg
+[travis-url]: https://travis-ci.org/ljharb/object-keys
+[deps-svg]: https://david-dm.org/ljharb/object-keys.svg
+[deps-url]: https://david-dm.org/ljharb/object-keys
+[dev-deps-svg]: https://david-dm.org/ljharb/object-keys/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/object-keys#info=devDependencies
+[testling-svg]: https://ci.testling.com/ljharb/object-keys.png
+[testling-url]: https://ci.testling.com/ljharb/object-keys
+[es5-shim-url]: https://github.com/es-shims/es5-shim/blob/master/es5-shim.js#L542-589
+[lodash-url]: https://github.com/lodash/lodash
+[npm-badge-png]: https://nodei.co/npm/object-keys.png?downloads=true&stars=true
+[license-image]: http://img.shields.io/npm/l/object-keys.svg
+[license-url]: LICENSE
+[downloads-image]: http://img.shields.io/npm/dm/object-keys.svg
+[downloads-url]: http://npm-stat.com/charts.html?package=object-keys
+
diff --git a/node_modules/object-keys/implementation.js b/node_modules/object-keys/implementation.js
new file mode 100644
index 00000000..5b329861
--- /dev/null
+++ b/node_modules/object-keys/implementation.js
@@ -0,0 +1,122 @@
+'use strict';
+
+var keysShim;
+if (!Object.keys) {
+	// modified from https://github.com/es-shims/es5-shim
+	var has = Object.prototype.hasOwnProperty;
+	var toStr = Object.prototype.toString;
+	var isArgs = require('./isArguments'); // eslint-disable-line global-require
+	var isEnumerable = Object.prototype.propertyIsEnumerable;
+	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
+	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
+	var dontEnums = [
+		'toString',
+		'toLocaleString',
+		'valueOf',
+		'hasOwnProperty',
+		'isPrototypeOf',
+		'propertyIsEnumerable',
+		'constructor'
+	];
+	var equalsConstructorPrototype = function (o) {
+		var ctor = o.constructor;
+		return ctor && ctor.prototype === o;
+	};
+	var excludedKeys = {
+		$applicationCache: true,
+		$console: true,
+		$external: true,
+		$frame: true,
+		$frameElement: true,
+		$frames: true,
+		$innerHeight: true,
+		$innerWidth: true,
+		$onmozfullscreenchange: true,
+		$onmozfullscreenerror: true,
+		$outerHeight: true,
+		$outerWidth: true,
+		$pageXOffset: true,
+		$pageYOffset: true,
+		$parent: true,
+		$scrollLeft: true,
+		$scrollTop: true,
+		$scrollX: true,
+		$scrollY: true,
+		$self: true,
+		$webkitIndexedDB: true,
+		$webkitStorageInfo: true,
+		$window: true
+	};
+	var hasAutomationEqualityBug = (function () {
+		/* global window */
+		if (typeof window === 'undefined') { return false; }
+		for (var k in window) {
+			try {
+				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
+					try {
+						equalsConstructorPrototype(window[k]);
+					} catch (e) {
+						return true;
+					}
+				}
+			} catch (e) {
+				return true;
+			}
+		}
+		return false;
+	}());
+	var equalsConstructorPrototypeIfNotBuggy = function (o) {
+		/* global window */
+		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+			return equalsConstructorPrototype(o);
+		}
+		try {
+			return equalsConstructorPrototype(o);
+		} catch (e) {
+			return false;
+		}
+	};
+
+	keysShim = function keys(object) {
+		var isObject = object !== null && typeof object === 'object';
+		var isFunction = toStr.call(object) === '[object Function]';
+		var isArguments = isArgs(object);
+		var isString = isObject && toStr.call(object) === '[object String]';
+		var theKeys = [];
+
+		if (!isObject && !isFunction && !isArguments) {
+			throw new TypeError('Object.keys called on a non-object');
+		}
+
+		var skipProto = hasProtoEnumBug && isFunction;
+		if (isString && object.length > 0 && !has.call(object, 0)) {
+			for (var i = 0; i < object.length; ++i) {
+				theKeys.push(String(i));
+			}
+		}
+
+		if (isArguments && object.length > 0) {
+			for (var j = 0; j < object.length; ++j) {
+				theKeys.push(String(j));
+			}
+		} else {
+			for (var name in object) {
+				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+					theKeys.push(String(name));
+				}
+			}
+		}
+
+		if (hasDontEnumBug) {
+			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+
+			for (var k = 0; k < dontEnums.length; ++k) {
+				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
+					theKeys.push(dontEnums[k]);
+				}
+			}
+		}
+		return theKeys;
+	};
+}
+module.exports = keysShim;
diff --git a/node_modules/object-keys/index.js b/node_modules/object-keys/index.js
new file mode 100644
index 00000000..a43807d2
--- /dev/null
+++ b/node_modules/object-keys/index.js
@@ -0,0 +1,32 @@
+'use strict';
+
+var slice = Array.prototype.slice;
+var isArgs = require('./isArguments');
+
+var origKeys = Object.keys;
+var keysShim = origKeys ? function keys(o) { return origKeys(o); } : require('./implementation');
+
+var originalKeys = Object.keys;
+
+keysShim.shim = function shimObjectKeys() {
+	if (Object.keys) {
+		var keysWorksWithArguments = (function () {
+			// Safari 5.0 bug
+			var args = Object.keys(arguments);
+			return args && args.length === arguments.length;
+		}(1, 2));
+		if (!keysWorksWithArguments) {
+			Object.keys = function keys(object) { // eslint-disable-line func-name-matching
+				if (isArgs(object)) {
+					return originalKeys(slice.call(object));
+				}
+				return originalKeys(object);
+			};
+		}
+	} else {
+		Object.keys = keysShim;
+	}
+	return Object.keys || keysShim;
+};
+
+module.exports = keysShim;
diff --git a/node_modules/object-keys/isArguments.js b/node_modules/object-keys/isArguments.js
new file mode 100644
index 00000000..f2a2a901
--- /dev/null
+++ b/node_modules/object-keys/isArguments.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var toStr = Object.prototype.toString;
+
+module.exports = function isArguments(value) {
+	var str = toStr.call(value);
+	var isArgs = str === '[object Arguments]';
+	if (!isArgs) {
+		isArgs = str !== '[object Array]' &&
+			value !== null &&
+			typeof value === 'object' &&
+			typeof value.length === 'number' &&
+			value.length >= 0 &&
+			toStr.call(value.callee) === '[object Function]';
+	}
+	return isArgs;
+};
diff --git a/node_modules/object-keys/package.json b/node_modules/object-keys/package.json
new file mode 100644
index 00000000..99ea9238
--- /dev/null
+++ b/node_modules/object-keys/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "object-keys",
+	"version": "1.1.1",
+	"author": {
+		"name": "Jordan Harband",
+		"email": "ljharb@gmail.com",
+		"url": "http://ljharb.codes"
+	},
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"email": "ljharb@gmail.com",
+			"url": "http://ljharb.codes"
+		},
+		{
+			"name": "Raynos",
+			"email": "raynos2@gmail.com"
+		},
+		{
+			"name": "Nathan Rajlich",
+			"email": "nathan@tootallnate.net"
+		},
+		{
+			"name": "Ivan Starkov",
+			"email": "istarkov@gmail.com"
+		},
+		{
+			"name": "Gary Katsevman",
+			"email": "git@gkatsev.com"
+		}
+	],
+	"description": "An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim",
+	"license": "MIT",
+	"main": "index.js",
+	"scripts": {
+		"pretest": "npm run --silent lint",
+		"test": "npm run --silent tests-only",
+		"posttest": "npm run --silent audit",
+		"tests-only": "node test/index.js",
+		"coverage": "covert test/*.js",
+		"coverage-quiet": "covert test/*.js --quiet",
+		"lint": "eslint .",
+		"preaudit": "npm install --package-lock --package-lock-only",
+		"audit": "npm audit",
+		"postaudit": "rm package-lock.json"
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/ljharb/object-keys.git"
+	},
+	"keywords": [
+		"Object.keys",
+		"keys",
+		"ES5",
+		"shim"
+	],
+	"dependencies": {},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^13.1.1",
+		"covert": "^1.1.1",
+		"eslint": "^5.13.0",
+		"foreach": "^2.0.5",
+		"indexof": "^0.0.1",
+		"is": "^3.3.0",
+		"tape": "^4.9.2"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/object-keys/test/index.js b/node_modules/object-keys/test/index.js
new file mode 100644
index 00000000..5402465a
--- /dev/null
+++ b/node_modules/object-keys/test/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+require('./isArguments');
+
+require('./shim');
diff --git a/node_modules/object-visit/LICENSE b/node_modules/object-visit/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/object-visit/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/object-visit/README.md b/node_modules/object-visit/README.md
new file mode 100644
index 00000000..64015cb9
--- /dev/null
+++ b/node_modules/object-visit/README.md
@@ -0,0 +1,83 @@
+# object-visit [![NPM version](https://img.shields.io/npm/v/object-visit.svg?style=flat)](https://www.npmjs.com/package/object-visit) [![NPM monthly downloads](https://img.shields.io/npm/dm/object-visit.svg?style=flat)](https://npmjs.org/package/object-visit) [![NPM total downloads](https://img.shields.io/npm/dt/object-visit.svg?style=flat)](https://npmjs.org/package/object-visit) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/object-visit.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/object-visit)
+
+> Call a specified method on each value in the given object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save object-visit
+```
+
+## Usage
+
+```js
+var visit = require('object-visit');
+
+var ctx = {
+  data: {},
+  set: function (key, value) {
+    if (typeof key === 'object') {
+      visit(ctx, 'set', key);
+    } else {
+      ctx.data[key] = value;
+    }
+  }
+};
+
+ctx.set('a', 'a');
+ctx.set('b', 'b');
+ctx.set('c', 'c');
+ctx.set({d: {e: 'f'}});
+
+console.log(ctx.data);
+//=> {a: 'a', b: 'b', c: 'c', d: { e: 'f' }};
+```
+
+## About
+
+### Related projects
+
+* [base-methods](https://www.npmjs.com/package/base-methods): base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… [more](https://github.com/jonschlinkert/base-methods) | [homepage](https://github.com/jonschlinkert/base-methods "base-methods is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.")
+* [collection-visit](https://www.npmjs.com/package/collection-visit): Visit a method over the items in an object, or map visit over the objects… [more](https://github.com/jonschlinkert/collection-visit) | [homepage](https://github.com/jonschlinkert/collection-visit "Visit a method over the items in an object, or map visit over the objects in an array.")
+* [define-property](https://www.npmjs.com/package/define-property): Define a non-enumerable property on an object. | [homepage](https://github.com/jonschlinkert/define-property "Define a non-enumerable property on an object.")
+* [map-visit](https://www.npmjs.com/package/map-visit): Map `visit` over an array of objects. | [homepage](https://github.com/jonschlinkert/map-visit "Map `visit` over an array of objects.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 30, 2017._
\ No newline at end of file
diff --git a/node_modules/object-visit/index.js b/node_modules/object-visit/index.js
new file mode 100644
index 00000000..fcaeda92
--- /dev/null
+++ b/node_modules/object-visit/index.js
@@ -0,0 +1,33 @@
+/*!
+ * object-visit <https://github.com/jonschlinkert/object-visit>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+
+module.exports = function visit(thisArg, method, target, val) {
+  if (!isObject(thisArg) && typeof thisArg !== 'function') {
+    throw new Error('object-visit expects `thisArg` to be an object.');
+  }
+
+  if (typeof method !== 'string') {
+    throw new Error('object-visit expects `method` name to be a string');
+  }
+
+  if (typeof thisArg[method] !== 'function') {
+    return thisArg;
+  }
+
+  var args = [].slice.call(arguments, 3);
+  target = target || {};
+
+  for (var key in target) {
+    var arr = [key, target[key]].concat(args);
+    thisArg[method].apply(thisArg, arr);
+  }
+  return thisArg;
+};
diff --git a/node_modules/object-visit/package.json b/node_modules/object-visit/package.json
new file mode 100644
index 00000000..15fd0ff8
--- /dev/null
+++ b/node_modules/object-visit/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "object-visit",
+  "description": "Call a specified method on each value in the given object.",
+  "version": "1.0.1",
+  "homepage": "https://github.com/jonschlinkert/object-visit",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/object-visit",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/object-visit/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "isobject": "^3.0.0"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-format-md": "^0.1.12",
+    "gulp-istanbul": "^1.1.1",
+    "gulp-mocha": "^3.0.0",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "context",
+    "function",
+    "helper",
+    "key",
+    "method",
+    "object",
+    "value",
+    "visit",
+    "visitor"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "base-methods",
+        "collection-visit",
+        "define-property",
+        "map-visit"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/object.assign/.editorconfig b/node_modules/object.assign/.editorconfig
new file mode 100644
index 00000000..bc228f82
--- /dev/null
+++ b/node_modules/object.assign/.editorconfig
@@ -0,0 +1,20 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 150
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
diff --git a/node_modules/object.assign/.eslintrc b/node_modules/object.assign/.eslintrc
new file mode 100644
index 00000000..13185169
--- /dev/null
+++ b/node_modules/object.assign/.eslintrc
@@ -0,0 +1,28 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"ignorePatterns": ["dist/"],
+
+	"rules": {
+		"eqeqeq": [2, "allow-null"],
+		"id-length": [2, { "min": 1, "max": 30 }],
+		"max-statements": [2, 33],
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-magic-numbers": [1, { "ignore": [0] }],
+		"no-restricted-syntax": [2, "BreakStatement", "ContinueStatement", "DebuggerStatement", "LabeledStatement", "WithStatement"],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"no-invalid-this": 1,
+				"max-lines-per-function": 0,
+				"max-statements-per-line": [2, { "max": 3 }],
+				"no-magic-numbers": 0,
+			},
+		},
+	],
+}
diff --git a/node_modules/object.assign/.github/FUNDING.yml b/node_modules/object.assign/.github/FUNDING.yml
new file mode 100644
index 00000000..ef7fdbfa
--- /dev/null
+++ b/node_modules/object.assign/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/object.assign
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/object.assign/.nycrc b/node_modules/object.assign/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/object.assign/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/object.assign/CHANGELOG.md b/node_modules/object.assign/CHANGELOG.md
new file mode 100644
index 00000000..509f766d
--- /dev/null
+++ b/node_modules/object.assign/CHANGELOG.md
@@ -0,0 +1,246 @@
+4.1.7 / 2024-12-18
+==================
+  * [Deps] add missing `es-object-atoms` (#86)
+
+4.1.6 / 2024-12-18
+==================
+  * [Refactor] use `call-bound` directly; use `es-object-atoms`
+  * [Deps] update `call-bind`, `has-symbols`
+  * [Dev Deps] update `@es-shims/api`, `@ljharb/eslint-config`, `hasown`, `mock-property`, `ses`, `tape`
+  * [actions] split out node 10-20, and 20+
+  * [actions] remove redundant finisher
+  * [Tests] replace `aud` with `npm audit`
+
+4.1.5 / 2023-11-30
+==================
+  * [meta] republish without testing HTML file (#85)
+  * [Deps] update `call-bind`, `define-properties`
+  * [Dev Deps] use `hasown` instead of `has`
+  * [Dev Deps] update `@es-shims/api`, `@ljharb/eslint-config`, `aud`, `npmignore`, `mock-property`, `tape`
+  * [actions] update rebase action
+
+4.1.4 / 2022-08-16
+==================
+  * [meta] fix `npmignore` integration (#83)
+
+4.1.3 / 2022-08-05
+==================
+  * [Refactor] make steps closer to actual spec
+  * [Refactor] simplify object coercible check
+  * [readme] remove defunct badges, add coverage and actions badges
+  * [eslint] ignore coverage output
+  * [meta] use `npmignore` to autogenerate an npmignore file
+  * [meta] remove audit-level
+  * [Deps] update `call-bind`, `define-properties`, `has-symbols`
+  * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `@es-shims/api`, `aud`, `functions-have-names`, `safe-publish-latest`, `ses`, `tape`
+  * [actions] use `node/install` instead of `node/run`; use `codecov` action
+  * [actions] reuse common workflows
+  * [actions] update codecov uploader
+  * [Tests] add implementation tests
+  * [Tests] use `mock-property`
+  * [Tests] disable posttest pending `aud` handling `file:` deps
+  * [Tests] migrate remaining tests to Github Actions (#81)
+  * [Tests] gitignore coverage output
+  * [Tests] test node v1-v9 on Github Actions instead of travis; resume testing all minors (#80)
+
+4.1.2 / 2020-10-30
+==================
+  * [Refactor] use extracted `call-bind` instead of full `es-abstract`
+  * [Dev Deps] update `eslint`, `ses`, `browserify`
+  * [Tests] run tests in SES
+  * [Tests] ses-compat: show error stacks
+
+4.1.1 / 2020-09-11
+==================
+  * [Fix] avoid mutating `Object.assign` in modern engines
+  * [Refactor] use `callBind` from `es-abstract` instead of `function-bind`
+  * [Deps] update `has-symbols`, `object-keys`, `define-properties`
+  * [meta] add `funding` field, FUNDING.yml
+  * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `@es-shims/api`, `browserify`, `covert`, `for-each`, `is`, `tape`, `functions-have-names`; add `aud`, `safe-publish-latest`; remove `jscs`
+  * [actions] add Require Allow Edits workflow
+  * [actions] add automatic rebasing / merge commit blocking
+  * [Tests] ses-compat - add test to ensure package initializes correctly after ses lockdown (#77)
+  * [Tests] Add passing test for a source of `window.location` (#68)
+  * [Tests] use shared travis-ci config
+  * [Tests] use `npx aud` instead of `npm audit` with hoops or `nsp`
+  * [Tests] use `functions-have-names`
+
+4.1.0 / 2017-12-21
+==================
+  * [New] add `auto` entry point (#52)
+  * [Refactor] Use `has-symbols` module
+  * [Deps] update `function-bind`, `object-keys`
+  * [Dev Deps] update `@es-shims/api`, `browserify`, `nsp`, `eslint`, `@ljharb/eslint-config`, `is`
+  * [Tests] up to `node` `v9.3`, `v8.9`, `v6.12`; use `nvm install-latest-npm`; pin included builds to LTS
+
+4.0.4 / 2016-07-04
+==================
+  * [Fix] Cache original `getOwnPropertySymbols`, and use that when `Object.getOwnPropertySymbols` is unavailable
+  * [Deps] update `object-keys`
+  * [Dev Deps] update `eslint`, `get-own-property-symbols`, `core-js`, `jscs`, `nsp`, `browserify`, `@ljharb/eslint-config`, `tape`, `@es-shims/api`
+  * [Tests] up to `node` `v6.2`, `v5.10`, `v4.4`
+  * [Tests] run sham tests on node 0.10
+  * [Tests] use pretest/posttest for linting/security
+
+4.0.3 / 2015-10-21
+==================
+  * [Fix] Support core-js's Symbol sham (#17)
+  * [Fix] Ensure that properties removed or made non-enumerable during enumeration are not assigned (#16)
+  * [Fix] Avoid looking up keys and values more than once
+  * [Tests] Avoid using `reduce` so `npm run test:shams:corejs` passes in `node` `v0.8` ([core-js#122](https://github.com/zloirock/core-js/issues/122))
+  * [Tests] Refactor to use my conventional structure that separates shimmed, implementation, and common tests
+  * [Tests] Create `npm run test:shams` and better organize tests for symbol shams
+  * [Tests] Remove `nsp` in favor of `requiresafe`
+
+4.0.2 / 2015-10-20
+==================
+  * [Fix] Ensure correct property enumeration order, particularly in v8 (#15)
+  * [Deps] update `object-keys`, `define-properties`
+  * [Dev Deps] update `browserify`, `is`, `tape`, `jscs`, `eslint`, `@ljharb/eslint-config`
+  * [Tests] up to `io.js` `v3.3`, `node` `v4.2`
+
+4.0.1 / 2015-08-16
+==================
+  * [Docs] Add `Symbol` note to readme
+
+4.0.0 / 2015-08-15
+==================
+  * [Breaking] Implement the [es-shim API](es-shims/api).
+  * [Robustness] Make implementation robust against later modification of environment methods.
+  * [Refactor] Move implementation to `implementation.js`
+  * [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG
+  * [Deps] update `object-keys`, `define-properties`
+  * [Dev Deps] update `browserify`, `tape`, `eslint`, `jscs`, `browserify`
+  * [Tests] Add `npm run tests-only`
+  * [Tests] use my personal shared `eslint` config.
+  * [Tests] up to `io.js` `v3.0`
+
+3.0.1 / 2015-06-28
+==================
+  * Cache `Object` and `Array#push` to make the shim more robust.
+  * [Fix] Remove use of `Array#filter`, which isn't in ES3.
+  * [Deps] Update `object-keys`, `define-properties`
+  * [Dev Deps] Update `get-own-property-symbols`, `browserify`, `eslint`, `nsp`
+  * [Tests] Test up to `io.js` `v2.3`
+  * [Tests] Adding `Object.assign` tests for non-object targets, per https://github.com/paulmillr/es6-shim/issues/348
+
+3.0.0 / 2015-05-20
+==================
+  * Attempt to feature-detect Symbols, even if `typeof Symbol() !== 'symbol'` (#12)
+  * Make a separate `hasSymbols` internal module
+  * Update `browserify`, `eslint`
+
+2.0.3 / 2015-06-28
+==================
+  * Cache `Object` and `Array#push` to make the shim more robust.
+  * [Fix] Remove use of `Array#filter`, which isn't in ES3
+  * [Deps] Update `object-keys`, `define-properties`
+  * [Dev Deps] Update `browserify`, `nsp`, `eslint`
+  * [Tests] Test up to `io.js` `v2.3`
+
+2.0.2 / 2015-05-20
+==================
+  * Make sure `.shim` is non-enumerable.
+  * Refactor `.shim` implementation to use `define-properties` predicates, rather than `delete`ing the original.
+  * Update docs to match spec/implementation. (#11)
+  * Add `npm run eslint`
+  * Test up to `io.js` `v2.0`
+  * Update `jscs`, `browserify`, `covert`
+
+2.0.1 / 2015-04-12
+==================
+  * Make sure non-enumerable Symbols are excluded.
+
+2.0.0 / 2015-04-12
+==================
+  * Make sure the shim function overwrites a broken implementation with pending exceptions.
+  * Ensure shim is not enumerable using `define-properties`
+  * Ensure `Object.assign` includes symbols.
+  * All grade A-supported `node`/`iojs` versions now ship with an `npm` that understands `^`.
+  * Run `travis-ci` tests on `iojs` and `node` v0.12; speed up builds; allow 0.8 failures.
+  * Add `npm run security` via `nsp`
+  * Update `browserify`, `jscs`, `tape`, `object-keys`, `is`
+
+1.1.1 / 2014-12-14
+==================
+  * Actually include the browser build in `npm`
+
+1.1.0 / 2014-12-14
+==================
+  * Add `npm run build`, and build an automatic-shimming browser distribution as part of the npm publish process.
+  * Update `is`, `jscs`
+
+1.0.3 / 2014-11-29
+==================
+  * Revert "optimize --production installs"
+
+1.0.2 / 2014-11-27
+==================
+  * Update `jscs`, `is`, `object-keys`, `tape`
+  * Add badges to README
+  * Name URLs in README
+  * Lock `covert` to `v1.0.0`
+  * Optimize --production installs
+
+1.0.1 / 2014-08-26
+==================
+  * Update `is`, `covert`
+
+1.0.0 / 2014-08-07
+==================
+  * Update `object-keys`, `tape`
+
+0.5.0 / 2014-07-31
+==================
+  * Object.assign no longer throws on null or undefined sources, per https://bugs.ecmascript.org/show_bug.cgi?id=3096
+
+0.4.3 / 2014-07-30
+==================
+  * Don’t modify vars in the function signature, since it deoptimizes v8
+
+0.4.2 / 2014-07-30
+==================
+  * Fixing the version number: v0.4.2
+
+0.4.1 / 2014-07-19
+==================
+  * Revert "Use the native Object.keys if it’s available."
+
+0.4.0 / 2014-07-19
+==================
+  * Use the native Object.keys if it’s available.
+  * Fixes [#2](https://github.com/ljharb/object.assign/issues/2).
+  * Adding failing tests for [#2](https://github.com/ljharb/object.assign/issues/2).
+  * Fix indentation.
+  * Adding `npm run lint`
+  * Update `tape`, `covert`
+  * README: Use SVG badge for Travis [#1](https://github.com/ljharb/object.assign/issues/1) from mathiasbynens/patch-1
+
+0.3.1 / 2014-04-10
+==================
+  * Object.assign does partially modify objects if it throws, per https://twitter.com/awbjs/status/454320863093862400
+
+0.3.0 / 2014-04-10
+==================
+  * Update with newest ES6 behavior - Object.assign now takes a variable number of source objects.
+  * Update `tape`
+  * Make sure old and unstable nodes don’t fail Travis
+
+0.2.1 / 2014-03-16
+==================
+  * Let object-keys handle the fallback
+  * Update dependency badges
+  * Adding bower.json
+
+0.2.0 / 2014-03-16
+==================
+  * Use a for loop, because ES3 browsers don’t have "reduce"
+
+0.1.1 / 2014-03-14
+==================
+  * Updating readme
+
+0.1.0 / 2014-03-14
+==================
+  * Initial release.
+
diff --git a/node_modules/object.assign/LICENSE b/node_modules/object.assign/LICENSE
new file mode 100644
index 00000000..ab29cbd6
--- /dev/null
+++ b/node_modules/object.assign/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/object.assign/README.md b/node_modules/object.assign/README.md
new file mode 100644
index 00000000..8e933fee
--- /dev/null
+++ b/node_modules/object.assign/README.md
@@ -0,0 +1,136 @@
+# object.assign <sup>[![Version Badge][npm-version-svg]][npm-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][npm-url]
+
+An Object.assign shim. Invoke its "shim" method to shim Object.assign if it is unavailable.
+
+This package implements the [es-shim API](https://github.com/es-shims/api) interface. It works in an ES3-supported environment and complies with the [spec](http://www.ecma-international.org/ecma-262/6.0/#sec-object.assign). In an ES6 environment, it will also work properly with `Symbol`s.
+
+Takes a minimum of 2 arguments: `target` and `source`.
+Takes a variable sized list of source arguments - at least 1, as many as you want.
+Throws a TypeError if the `target` argument is `null` or `undefined`.
+
+Most common usage:
+```js
+var assign = require('object.assign').getPolyfill(); // returns native method if compliant
+	/* or */
+var assign = require('object.assign/polyfill')(); // returns native method if compliant
+```
+
+## Example
+
+```js
+var assert = require('assert');
+
+// Multiple sources!
+var target = { a: true };
+var source1 = { b: true };
+var source2 = { c: true };
+var sourceN = { n: true };
+
+var expected = {
+	a: true,
+	b: true,
+	c: true,
+	n: true
+};
+
+assign(target, source1, source2, sourceN);
+assert.deepEqual(target, expected); // AWESOME!
+```
+
+```js
+var target = {
+	a: true,
+	b: true,
+	c: true
+};
+var source1 = {
+	c: false,
+	d: false
+};
+var sourceN = {
+	e: false
+};
+
+var assigned = assign(target, source1, sourceN);
+assert.equal(target, assigned); // returns the target object
+assert.deepEqual(assigned, {
+	a: true,
+	b: true,
+	c: false,
+	d: false,
+	e: false
+});
+```
+
+```js
+/* when Object.assign is not present */
+delete Object.assign;
+var shimmedAssign = require('object.assign').shim();
+	/* or */
+var shimmedAssign = require('object.assign/shim')();
+
+assert.equal(shimmedAssign, assign);
+
+var target = {
+	a: true,
+	b: true,
+	c: true
+};
+var source = {
+	c: false,
+	d: false,
+	e: false
+};
+
+var assigned = assign(target, source);
+assert.deepEqual(Object.assign(target, source), assign(target, source));
+```
+
+```js
+/* when Object.assign is present */
+var shimmedAssign = require('object.assign').shim();
+assert.equal(shimmedAssign, Object.assign);
+
+var target = {
+	a: true,
+	b: true,
+	c: true
+};
+var source = {
+	c: false,
+	d: false,
+	e: false
+};
+
+assert.deepEqual(Object.assign(target, source), assign(target, source));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[npm-url]: https://npmjs.org/package/object.assign
+[npm-version-svg]: http://versionbadg.es/ljharb/object.assign.svg
+[travis-svg]: https://travis-ci.org/ljharb/object.assign.svg
+[travis-url]: https://travis-ci.org/ljharb/object.assign
+[deps-svg]: https://david-dm.org/ljharb/object.assign.svg?theme=shields.io
+[deps-url]: https://david-dm.org/ljharb/object.assign
+[dev-deps-svg]: https://david-dm.org/ljharb/object.assign/dev-status.svg?theme=shields.io
+[dev-deps-url]: https://david-dm.org/ljharb/object.assign#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/object.assign.png?downloads=true&stars=true
+[license-image]: http://img.shields.io/npm/l/object.assign.svg
+[license-url]: LICENSE
+[downloads-image]: http://img.shields.io/npm/dm/object.assign.svg
+[downloads-url]: http://npm-stat.com/charts.html?package=object.assign
+[codecov-image]: https://codecov.io/gh/ljharb/object.assign/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/object.assign/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/object.assign
+[actions-url]: https://github.com/ljharb/object.assign/actions
diff --git a/node_modules/object.assign/auto.js b/node_modules/object.assign/auto.js
new file mode 100644
index 00000000..8ebf606c
--- /dev/null
+++ b/node_modules/object.assign/auto.js
@@ -0,0 +1,3 @@
+'use strict';
+
+require('./shim')();
diff --git a/node_modules/object.assign/hasSymbols.js b/node_modules/object.assign/hasSymbols.js
new file mode 100644
index 00000000..34841e01
--- /dev/null
+++ b/node_modules/object.assign/hasSymbols.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var keys = require('object-keys');
+
+module.exports = function hasSymbols() {
+	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+	if (typeof Symbol.iterator === 'symbol') { return true; }
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	if (typeof sym === 'string') { return false; }
+
+	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+	/*
+	 * temp disabled per https://github.com/ljharb/object.assign/issues/17
+	 * if (sym instanceof Symbol) { return false; }
+	 * temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+	 * if (!(symObj instanceof Symbol)) { return false; }
+	 */
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	for (sym in obj) { return false; } // eslint-disable-line no-unreachable-loop
+	if (keys(obj).length !== 0) { return false; }
+	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+	var syms = Object.getOwnPropertySymbols(obj);
+	if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+	if (typeof Object.getOwnPropertyDescriptor === 'function') {
+		var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
+		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+	}
+
+	return true;
+};
diff --git a/node_modules/object.assign/implementation.js b/node_modules/object.assign/implementation.js
new file mode 100644
index 00000000..4f4b4256
--- /dev/null
+++ b/node_modules/object.assign/implementation.js
@@ -0,0 +1,46 @@
+'use strict';
+
+// modified from https://github.com/es-shims/es6-shim
+var objectKeys = require('object-keys');
+var hasSymbols = require('has-symbols/shams')();
+var callBound = require('call-bound');
+var $Object = require('es-object-atoms');
+var $push = callBound('Array.prototype.push');
+var $propIsEnumerable = callBound('Object.prototype.propertyIsEnumerable');
+var originalGetSymbols = hasSymbols ? $Object.getOwnPropertySymbols : null;
+
+// eslint-disable-next-line no-unused-vars
+module.exports = function assign(target, source1) {
+	if (target == null) { throw new TypeError('target must be an object'); }
+	var to = $Object(target); // step 1
+	if (arguments.length === 1) {
+		return to; // step 2
+	}
+	for (var s = 1; s < arguments.length; ++s) {
+		var from = $Object(arguments[s]); // step 3.a.i
+
+		// step 3.a.ii:
+		var keys = objectKeys(from);
+		var getSymbols = hasSymbols && ($Object.getOwnPropertySymbols || originalGetSymbols);
+		if (getSymbols) {
+			var syms = getSymbols(from);
+			for (var j = 0; j < syms.length; ++j) {
+				var key = syms[j];
+				if ($propIsEnumerable(from, key)) {
+					$push(keys, key);
+				}
+			}
+		}
+
+		// step 3.a.iii:
+		for (var i = 0; i < keys.length; ++i) {
+			var nextKey = keys[i];
+			if ($propIsEnumerable(from, nextKey)) { // step 3.a.iii.2
+				var propValue = from[nextKey]; // step 3.a.iii.2.a
+				to[nextKey] = propValue; // step 3.a.iii.2.b
+			}
+		}
+	}
+
+	return to; // step 4
+};
diff --git a/node_modules/object.assign/index.js b/node_modules/object.assign/index.js
new file mode 100644
index 00000000..9b506037
--- /dev/null
+++ b/node_modules/object.assign/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var defineProperties = require('define-properties');
+var callBind = require('call-bind');
+
+var implementation = require('./implementation');
+var getPolyfill = require('./polyfill');
+var shim = require('./shim');
+
+var polyfill = callBind.apply(getPolyfill());
+// eslint-disable-next-line no-unused-vars
+var bound = function assign(target, source1) {
+	return polyfill(Object, arguments);
+};
+
+defineProperties(bound, {
+	getPolyfill: getPolyfill,
+	implementation: implementation,
+	shim: shim
+});
+
+module.exports = bound;
diff --git a/node_modules/object.assign/package.json b/node_modules/object.assign/package.json
new file mode 100644
index 00000000..996fee0c
--- /dev/null
+++ b/node_modules/object.assign/package.json
@@ -0,0 +1,96 @@
+{
+	"name": "object.assign",
+	"version": "4.1.7",
+	"author": "Jordan Harband",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"description": "ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim",
+	"license": "MIT",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"pretest": "npm run lint && es-shim-api --bound",
+		"test": "npm run tests-only && npm run test:ses",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"tests-only": "npm run test:implementation && npm run test:shim",
+		"test:native": "nyc node test/native",
+		"test:shim": "nyc node test/shimmed",
+		"test:implementation": "nyc node test",
+		"test:ses": "node test/ses-compat",
+		"lint": "eslint .",
+		"build": "mkdir -p dist && browserify browserShim.js > dist/browser.js",
+		"prepublishOnly": "safe-publish-latest && npm run build",
+		"prepublish": "not-in-publish || npm run prepublishOnly"
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/ljharb/object.assign.git"
+	},
+	"keywords": [
+		"Object.assign",
+		"assign",
+		"ES6",
+		"extend",
+		"$.extend",
+		"jQuery",
+		"_.extend",
+		"Underscore",
+		"es-shim API",
+		"polyfill",
+		"shim"
+	],
+	"dependencies": {
+		"call-bind": "^1.0.8",
+		"call-bound": "^1.0.3",
+		"define-properties": "^1.2.1",
+		"es-object-atoms": "^1.0.0",
+		"has-symbols": "^1.1.0",
+		"object-keys": "^1.1.1"
+	},
+	"devDependencies": {
+		"@es-shims/api": "^2.5.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"browserify": "^16.5.2",
+		"eslint": "=8.8.0",
+		"for-each": "^0.3.3",
+		"functions-have-names": "^1.2.3",
+		"has-strict-mode": "^1.0.1",
+		"hasown": "^2.0.2",
+		"mock-property": "^1.1.0",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"ses": "^1.10.0",
+		"tape": "^5.9.0"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"bower.json",
+			"browserShim.js",
+			"!dist/"
+		]
+	}
+}
diff --git a/node_modules/object.assign/polyfill.js b/node_modules/object.assign/polyfill.js
new file mode 100644
index 00000000..ca94aea9
--- /dev/null
+++ b/node_modules/object.assign/polyfill.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+var lacksProperEnumerationOrder = function () {
+	if (!Object.assign) {
+		return false;
+	}
+	/*
+	 * v8, specifically in node 4.x, has a bug with incorrect property enumeration order
+	 * note: this does not detect the bug unless there's 20 characters
+	 */
+	var str = 'abcdefghijklmnopqrst';
+	var letters = str.split('');
+	var map = {};
+	for (var i = 0; i < letters.length; ++i) {
+		map[letters[i]] = letters[i];
+	}
+	var obj = Object.assign({}, map);
+	var actual = '';
+	for (var k in obj) {
+		actual += k;
+	}
+	return str !== actual;
+};
+
+var assignHasPendingExceptions = function () {
+	if (!Object.assign || !Object.preventExtensions) {
+		return false;
+	}
+	/*
+	 * Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+	 * which is 72% slower than our shim, and Firefox 40's native implementation.
+	 */
+	var thrower = Object.preventExtensions({ 1: 2 });
+	try {
+		Object.assign(thrower, 'xy');
+	} catch (e) {
+		return thrower[1] === 'y';
+	}
+	return false;
+};
+
+module.exports = function getPolyfill() {
+	if (!Object.assign) {
+		return implementation;
+	}
+	if (lacksProperEnumerationOrder()) {
+		return implementation;
+	}
+	if (assignHasPendingExceptions()) {
+		return implementation;
+	}
+	return Object.assign;
+};
diff --git a/node_modules/object.assign/shim.js b/node_modules/object.assign/shim.js
new file mode 100644
index 00000000..9f896ae3
--- /dev/null
+++ b/node_modules/object.assign/shim.js
@@ -0,0 +1,14 @@
+'use strict';
+
+var define = require('define-properties');
+var getPolyfill = require('./polyfill');
+
+module.exports = function shimAssign() {
+	var polyfill = getPolyfill();
+	define(
+		Object,
+		{ assign: polyfill },
+		{ assign: function () { return Object.assign !== polyfill; } }
+	);
+	return polyfill;
+};
diff --git a/node_modules/object.assign/test/implementation.js b/node_modules/object.assign/test/implementation.js
new file mode 100644
index 00000000..05d7d7ad
--- /dev/null
+++ b/node_modules/object.assign/test/implementation.js
@@ -0,0 +1,19 @@
+'use strict';
+
+var implementation = require('../implementation');
+var callBind = require('call-bind');
+var test = require('tape');
+var hasStrictMode = require('has-strict-mode')();
+var runTests = require('./tests');
+
+test('as a function', function (t) {
+	t.test('bad first arg/receiver', { skip: !hasStrictMode }, function (st) {
+		st['throws'](function () { implementation(undefined); }, TypeError, 'undefined is not an object');
+		st['throws'](function () { implementation(null); }, TypeError, 'null is not an object');
+		st.end();
+	});
+
+	runTests(callBind(implementation, Object), t);
+
+	t.end();
+});
diff --git a/node_modules/object.assign/test/index.js b/node_modules/object.assign/test/index.js
new file mode 100644
index 00000000..776b2b33
--- /dev/null
+++ b/node_modules/object.assign/test/index.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var assign = require('../');
+var test = require('tape');
+var runTests = require('./tests');
+
+test('as a function', function (t) {
+	t.test('bad array/this value', function (st) {
+		st['throws'](function () { assign(undefined); }, TypeError, 'undefined is not an object');
+		st['throws'](function () { assign(null); }, TypeError, 'null is not an object');
+		st.end();
+	});
+
+	runTests(assign, t);
+
+	t.end();
+});
diff --git a/node_modules/object.assign/test/native.js b/node_modules/object.assign/test/native.js
new file mode 100644
index 00000000..49a70f79
--- /dev/null
+++ b/node_modules/object.assign/test/native.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var test = require('tape');
+var defineProperties = require('define-properties');
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+var functionsHaveNames = require('functions-have-names')();
+
+var runTests = require('./tests');
+
+test('native', function (t) {
+	t.equal(Object.assign.length, 2, 'Object.assign has a length of 2');
+	t.test('Function name', { skip: !functionsHaveNames }, function (st) {
+		st.equal(Object.assign.name, 'assign', 'Object.assign has name "assign"');
+		st.end();
+	});
+
+	t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
+		et.equal(false, isEnumerable.call(Object, 'assign'), 'Object.assign is not enumerable');
+		et.end();
+	});
+
+	var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
+
+	t.test('bad object value', { skip: !supportsStrictMode }, function (st) {
+		st['throws'](function () { return Object.assign(undefined); }, TypeError, 'undefined is not an object');
+		st['throws'](function () { return Object.assign(null); }, TypeError, 'null is not an object');
+		st.end();
+	});
+
+	// v8 in node 0.8 and 0.10 have non-enumerable string properties
+	var stringCharsAreEnumerable = isEnumerable.call('xy', 0);
+	t.test('when Object.assign is present and has pending exceptions', { skip: !stringCharsAreEnumerable || !Object.preventExtensions }, function (st) {
+		/*
+		 * Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+		 * which is 72% slower than our shim, and Firefox 40's native implementation.
+		 */
+		var thrower = Object.preventExtensions({ 1: '2' });
+		var error;
+		try { Object.assign(thrower, 'xy'); } catch (e) { error = e; }
+		st.equal(error instanceof TypeError, true, 'error is TypeError');
+		st.equal(thrower[1], '2', 'thrower[1] === "2"');
+
+		st.end();
+	});
+
+	runTests(Object.assign, t);
+
+	t.end();
+});
diff --git a/node_modules/object.assign/test/ses-compat.js b/node_modules/object.assign/test/ses-compat.js
new file mode 100644
index 00000000..9669eb9a
--- /dev/null
+++ b/node_modules/object.assign/test/ses-compat.js
@@ -0,0 +1,12 @@
+'use strict';
+
+/* globals lockdown */
+
+// requiring ses exposes "lockdown" on the global
+require('ses');
+
+// lockdown freezes the primordials
+lockdown({ errorTaming: 'unsafe' });
+
+// initialize the module
+require('./');
diff --git a/node_modules/object.assign/test/shimmed.js b/node_modules/object.assign/test/shimmed.js
new file mode 100644
index 00000000..ee577587
--- /dev/null
+++ b/node_modules/object.assign/test/shimmed.js
@@ -0,0 +1,52 @@
+'use strict';
+
+var assign = require('../');
+assign.shim();
+
+var test = require('tape');
+var defineProperties = require('define-properties');
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+var functionsHaveNames = require('functions-have-names')();
+
+var runTests = require('./tests');
+
+test('shimmed', function (t) {
+	t.equal(Object.assign.length, 2, 'Object.assign has a length of 2');
+	t.test('Function name', { skip: !functionsHaveNames }, function (st) {
+		st.equal(Object.assign.name, 'assign', 'Object.assign has name "assign"');
+		st.end();
+	});
+
+	t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
+		et.equal(false, isEnumerable.call(Object, 'assign'), 'Object.assign is not enumerable');
+		et.end();
+	});
+
+	var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
+
+	t.test('bad object value', { skip: !supportsStrictMode }, function (st) {
+		st['throws'](function () { return Object.assign(undefined); }, TypeError, 'undefined is not an object');
+		st['throws'](function () { return Object.assign(null); }, TypeError, 'null is not an object');
+		st.end();
+	});
+
+	// v8 in node 0.8 and 0.10 have non-enumerable string properties
+	var stringCharsAreEnumerable = isEnumerable.call('xy', 0);
+	t.test('when Object.assign is present and has pending exceptions', { skip: !stringCharsAreEnumerable || !Object.preventExtensions }, function (st) {
+		/*
+		 * Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+		 * which is 72% slower than our shim, and Firefox 40's native implementation.
+		 */
+		var thrower = Object.preventExtensions({ 1: '2' });
+		var error;
+		try { Object.assign(thrower, 'xy'); } catch (e) { error = e; }
+		st.equal(error instanceof TypeError, true, 'error is TypeError');
+		st.equal(thrower[1], '2', 'thrower[1] === "2"');
+
+		st.end();
+	});
+
+	runTests(Object.assign, t);
+
+	t.end();
+});
diff --git a/node_modules/object.assign/test/tests.js b/node_modules/object.assign/test/tests.js
new file mode 100644
index 00000000..eff2793d
--- /dev/null
+++ b/node_modules/object.assign/test/tests.js
@@ -0,0 +1,232 @@
+'use strict';
+
+var hasSymbols = require('has-symbols/shams')();
+var forEach = require('for-each');
+var hasOwn = require('hasown');
+var mockProperty = require('mock-property');
+
+module.exports = function (assign, t) {
+	t.test('error cases', function (st) {
+		st['throws'](function () { assign(null); }, TypeError, 'target must be an object');
+		st['throws'](function () { assign(undefined); }, TypeError, 'target must be an object');
+		st['throws'](function () { assign(null, {}); }, TypeError, 'target must be an object');
+		st['throws'](function () { assign(undefined, {}); }, TypeError, 'target must be an object');
+		st.end();
+	});
+
+	t.test('non-object target, no sources', function (st) {
+		var bool = assign(true);
+		st.equal(typeof bool, 'object', 'bool is object');
+		st.equal(Boolean.prototype.valueOf.call(bool), true, 'bool coerces to `true`');
+
+		var number = assign(1);
+		st.equal(typeof number, 'object', 'number is object');
+		st.equal(Number.prototype.valueOf.call(number), 1, 'number coerces to `1`');
+
+		var string = assign('1');
+		st.equal(typeof string, 'object', 'number is object');
+		st.equal(String.prototype.valueOf.call(string), '1', 'number coerces to `"1"`');
+
+		st.end();
+	});
+
+	t.test('non-object target, with sources', function (st) {
+		var signal = {};
+
+		st.test('boolean', function (st2) {
+			var bool = assign(true, { a: signal });
+			st2.equal(typeof bool, 'object', 'bool is object');
+			st2.equal(Boolean.prototype.valueOf.call(bool), true, 'bool coerces to `true`');
+			st2.equal(bool.a, signal, 'source properties copied');
+			st2.end();
+		});
+
+		st.test('number', function (st2) {
+			var number = assign(1, { a: signal });
+			st2.equal(typeof number, 'object', 'number is object');
+			st2.equal(Number.prototype.valueOf.call(number), 1, 'number coerces to `1`');
+			st2.equal(number.a, signal, 'source properties copied');
+			st2.end();
+		});
+
+		st.test('string', function (st2) {
+			var string = assign('1', { a: signal });
+			st2.equal(typeof string, 'object', 'number is object');
+			st2.equal(String.prototype.valueOf.call(string), '1', 'number coerces to `"1"`');
+			st2.equal(string.a, signal, 'source properties copied');
+			st2.end();
+		});
+
+		st.end();
+	});
+
+	t.test('non-object sources', function (st) {
+		st.deepEqual(assign({ a: 1 }, null, { b: 2 }), { a: 1, b: 2 }, 'ignores null source');
+		st.deepEqual(assign({ a: 1 }, { b: 2 }, undefined), { a: 1, b: 2 }, 'ignores undefined source');
+		st.end();
+	});
+
+	t.test('returns the modified target object', function (st) {
+		var target = {};
+		var returned = assign(target, { a: 1 });
+		st.equal(returned, target, 'returned object is the same reference as the target object');
+		st.end();
+	});
+
+	t.test('has the right length', function (st) {
+		st.equal(assign.length, 2, 'length is 2 => 2 required arguments');
+		st.end();
+	});
+
+	t.test('merge two objects', function (st) {
+		var target = { a: 1 };
+		var returned = assign(target, { b: 2 });
+		st.deepEqual(returned, { a: 1, b: 2 }, 'returned object has properties from both');
+		st.end();
+	});
+
+	t.test('works with functions', function (st) {
+		var target = function () {};
+		target.a = 1;
+		var returned = assign(target, { b: 2 });
+		st.equal(target, returned, 'returned object is target');
+		st.equal(returned.a, 1);
+		st.equal(returned.b, 2);
+		st.end();
+	});
+
+	t.test('works with primitives', function (st) {
+		var target = 2;
+		var source = { b: 42 };
+		var returned = assign(target, source);
+		st.equal(Object.prototype.toString.call(returned), '[object Number]', 'returned is object form of number primitive');
+		st.equal(Number(returned), target, 'returned and target have same valueOf');
+		st.equal(returned.b, source.b);
+		st.end();
+	});
+
+	/* globals window */
+	t.test('works with window.location', { skip: typeof window === 'undefined' }, function (st) {
+		var target = {};
+		assign(target, window.location);
+		for (var prop in window.location) {
+			if (hasOwn(window.location, prop)) {
+				st.deepEqual(target[prop], window.location[prop], prop + ' is copied');
+			}
+		}
+		st.end();
+	});
+
+	t.test('merge N objects', function (st) {
+		var target = { a: 1 };
+		var source1 = { b: 2 };
+		var source2 = { c: 3 };
+		var returned = assign(target, source1, source2);
+		st.deepEqual(returned, { a: 1, b: 2, c: 3 }, 'returned object has properties from all sources');
+		st.end();
+	});
+
+	t.test('only iterates over own keys', function (st) {
+		var Foo = function () {};
+		Foo.prototype.bar = true;
+		var foo = new Foo();
+		foo.baz = true;
+		var target = { a: 1 };
+		var returned = assign(target, foo);
+		st.equal(returned, target, 'returned object is the same reference as the target object');
+		st.deepEqual(target, { a: 1, baz: true }, 'returned object has only own properties from both');
+		st.end();
+	});
+
+	t.test('includes enumerable symbols, after keys', { skip: !hasSymbols }, function (st) {
+		var visited = [];
+		var obj = {};
+		Object.defineProperty(obj, 'a', { enumerable: true, get: function () { visited.push('a'); return 42; } });
+		var symbol = Symbol('enumerable');
+		Object.defineProperty(obj, symbol, {
+			enumerable: true,
+			get: function () { visited.push(symbol); return Infinity; }
+		});
+		var nonEnumSymbol = Symbol('non-enumerable');
+		Object.defineProperty(obj, nonEnumSymbol, {
+			enumerable: false,
+			get: function () { visited.push(nonEnumSymbol); return -Infinity; }
+		});
+		var target = assign({}, obj);
+		st.deepEqual(visited, ['a', symbol], 'key is visited first, then symbol');
+		st.equal(target.a, 42, 'target.a is 42');
+		st.equal(target[symbol], Infinity, 'target[symbol] is Infinity');
+		st.notEqual(target[nonEnumSymbol], -Infinity, 'target[nonEnumSymbol] is not -Infinity');
+		st.end();
+	});
+
+	t.test('does not fail when symbols are not present', { skip: !Object.isFrozen || Object.isFrozen(Object) }, function (st) {
+		st.teardown(mockProperty(Object, 'getOwnPropertySymbols', { 'delete': true }));
+
+		var visited = [];
+		var obj = {};
+		Object.defineProperty(obj, 'a', { enumerable: true, get: function () { visited.push('a'); return 42; } });
+		var keys = ['a'];
+		if (hasSymbols) {
+			var symbol = Symbol('sym');
+			Object.defineProperty(obj, symbol, {
+				enumerable: true,
+				get: function () { visited.push(symbol); return Infinity; }
+			});
+			keys.push(symbol);
+		}
+		var target = assign({}, obj);
+		st.deepEqual(visited, keys, 'assign visits expected keys');
+		st.equal(target.a, 42, 'target.a is 42');
+
+		if (hasSymbols) {
+			st.equal(target[symbol], Infinity);
+		}
+		st.end();
+	});
+
+	t.test('preserves correct property enumeration order', function (st) {
+		var str = 'abcdefghijklmnopqrst';
+		var letters = {};
+		forEach(str.split(''), function (letter) {
+			letters[letter] = letter;
+		});
+
+		var n = 5;
+		st.comment('run the next test ' + n + ' times');
+		var object = assign({}, letters);
+		var actual = '';
+		for (var k in object) {
+			actual += k;
+		}
+		for (var i = 0; i < n; ++i) {
+			st.equal(actual, str, 'property enumeration order should be followed');
+		}
+		st.end();
+	});
+
+	t.test('checks enumerability and existence, in case of modification during [[Get]]', { skip: !Object.defineProperty }, function (st) {
+		var targetBvalue = {};
+		var targetCvalue = {};
+		var target = { b: targetBvalue, c: targetCvalue };
+		var source = {};
+		Object.defineProperty(source, 'a', {
+			enumerable: true,
+			get: function () {
+				delete this.b;
+				Object.defineProperty(this, 'c', { enumerable: false });
+				return 'a';
+			}
+		});
+		var sourceBvalue = {};
+		var sourceCvalue = {};
+		source.b = sourceBvalue;
+		source.c = sourceCvalue;
+		var result = assign(target, source);
+		st.equal(result, target, 'sanity check: result is === target');
+		st.equal(result.b, targetBvalue, 'target key not overwritten by deleted source key');
+		st.equal(result.c, targetCvalue, 'target key not overwritten by non-enumerable source key');
+
+		st.end();
+	});
+};
diff --git a/node_modules/object.pick/LICENSE b/node_modules/object.pick/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/object.pick/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/object.pick/README.md b/node_modules/object.pick/README.md
new file mode 100644
index 00000000..48f74534
--- /dev/null
+++ b/node_modules/object.pick/README.md
@@ -0,0 +1,76 @@
+# object.pick [![NPM version](https://img.shields.io/npm/v/object.pick.svg?style=flat)](https://www.npmjs.com/package/object.pick) [![NPM monthly downloads](https://img.shields.io/npm/dm/object.pick.svg?style=flat)](https://npmjs.org/package/object.pick)  [![NPM total downloads](https://img.shields.io/npm/dt/object.pick.svg?style=flat)](https://npmjs.org/package/object.pick) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/object.pick.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/object.pick)
+
+> Returns a filtered copy of an object with only the specified keys, similar to `_.pick` from lodash / underscore.
+
+You might also be interested in [object.omit](https://github.com/jonschlinkert/object.omit).
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save object.pick
+```
+
+## benchmarks
+
+This is the [fastest implementation](http://jsperf.com/pick-props) I tested. Pull requests welcome!
+
+## Usage
+
+```js
+var pick = require('object.pick');
+
+pick({a: 'a', b: 'b'}, 'a')
+//=> {a: 'a'}
+
+pick({a: 'a', b: 'b', c: 'c'}, ['a', 'b'])
+//=> {a: 'a', b: 'b'}
+```
+
+## About
+
+### Related projects
+
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/object.pick/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.2.0, on October 27, 2016._
\ No newline at end of file
diff --git a/node_modules/object.pick/index.js b/node_modules/object.pick/index.js
new file mode 100644
index 00000000..0ce01782
--- /dev/null
+++ b/node_modules/object.pick/index.js
@@ -0,0 +1,35 @@
+/*!
+ * object.pick <https://github.com/jonschlinkert/object.pick>
+ *
+ * Copyright (c) 2014-2015 Jon Schlinkert, contributors.
+ * Licensed under the MIT License
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+
+module.exports = function pick(obj, keys) {
+  if (!isObject(obj) && typeof obj !== 'function') {
+    return {};
+  }
+
+  var res = {};
+  if (typeof keys === 'string') {
+    if (keys in obj) {
+      res[keys] = obj[keys];
+    }
+    return res;
+  }
+
+  var len = keys.length;
+  var idx = -1;
+
+  while (++idx < len) {
+    var key = keys[idx];
+    if (key in obj) {
+      res[key] = obj[key];
+    }
+  }
+  return res;
+};
diff --git a/node_modules/object.pick/package.json b/node_modules/object.pick/package.json
new file mode 100644
index 00000000..b655dbeb
--- /dev/null
+++ b/node_modules/object.pick/package.json
@@ -0,0 +1,60 @@
+{
+  "name": "object.pick",
+  "description": "Returns a filtered copy of an object with only the specified keys, similar to `_.pick` from lodash / underscore.",
+  "version": "1.3.0",
+  "homepage": "https://github.com/jonschlinkert/object.pick",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/object.pick",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/object.pick/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "isobject": "^3.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.1.2",
+    "vinyl": "^2.0.0"
+  },
+  "keywords": [
+    "object",
+    "pick"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "extend-shallow",
+        "get-value",
+        "mixin-deep",
+        "set-value"
+      ],
+      "highlight": "object.omit"
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/once/LICENSE b/node_modules/once/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/once/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/once/README.md b/node_modules/once/README.md
new file mode 100644
index 00000000..1f1ffca9
--- /dev/null
+++ b/node_modules/once/README.md
@@ -0,0 +1,79 @@
+# once
+
+Only call a function once.
+
+## usage
+
+```javascript
+var once = require('once')
+
+function load (file, cb) {
+  cb = once(cb)
+  loader.load('file')
+  loader.once('load', cb)
+  loader.once('error', cb)
+}
+```
+
+Or add to the Function.prototype in a responsible way:
+
+```javascript
+// only has to be done once
+require('once').proto()
+
+function load (file, cb) {
+  cb = cb.once()
+  loader.load('file')
+  loader.once('load', cb)
+  loader.once('error', cb)
+}
+```
+
+Ironically, the prototype feature makes this module twice as
+complicated as necessary.
+
+To check whether you function has been called, use `fn.called`. Once the
+function is called for the first time the return value of the original
+function is saved in `fn.value` and subsequent calls will continue to
+return this value.
+
+```javascript
+var once = require('once')
+
+function load (cb) {
+  cb = once(cb)
+  var stream = createStream()
+  stream.once('data', cb)
+  stream.once('end', function () {
+    if (!cb.called) cb(new Error('not found'))
+  })
+}
+```
+
+## `once.strict(func)`
+
+Throw an error if the function is called twice.
+
+Some functions are expected to be called only once. Using `once` for them would
+potentially hide logical errors.
+
+In the example below, the `greet` function has to call the callback only once:
+
+```javascript
+function greet (name, cb) {
+  // return is missing from the if statement
+  // when no name is passed, the callback is called twice
+  if (!name) cb('Hello anonymous')
+  cb('Hello ' + name)
+}
+
+function log (msg) {
+  console.log(msg)
+}
+
+// this will print 'Hello anonymous' but the logical error will be missed
+greet(null, once(msg))
+
+// once.strict will print 'Hello anonymous' and throw an error when the callback will be called the second time
+greet(null, once.strict(msg))
+```
diff --git a/node_modules/once/once.js b/node_modules/once/once.js
new file mode 100644
index 00000000..23540673
--- /dev/null
+++ b/node_modules/once/once.js
@@ -0,0 +1,42 @@
+var wrappy = require('wrappy')
+module.exports = wrappy(once)
+module.exports.strict = wrappy(onceStrict)
+
+once.proto = once(function () {
+  Object.defineProperty(Function.prototype, 'once', {
+    value: function () {
+      return once(this)
+    },
+    configurable: true
+  })
+
+  Object.defineProperty(Function.prototype, 'onceStrict', {
+    value: function () {
+      return onceStrict(this)
+    },
+    configurable: true
+  })
+})
+
+function once (fn) {
+  var f = function () {
+    if (f.called) return f.value
+    f.called = true
+    return f.value = fn.apply(this, arguments)
+  }
+  f.called = false
+  return f
+}
+
+function onceStrict (fn) {
+  var f = function () {
+    if (f.called)
+      throw new Error(f.onceError)
+    f.called = true
+    return f.value = fn.apply(this, arguments)
+  }
+  var name = fn.name || 'Function wrapped with `once`'
+  f.onceError = name + " shouldn't be called more than once"
+  f.called = false
+  return f
+}
diff --git a/node_modules/once/package.json b/node_modules/once/package.json
new file mode 100644
index 00000000..16815b2f
--- /dev/null
+++ b/node_modules/once/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "once",
+  "version": "1.4.0",
+  "description": "Run a function exactly one time",
+  "main": "once.js",
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "wrappy": "1"
+  },
+  "devDependencies": {
+    "tap": "^7.0.1"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "files": [
+    "once.js"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/once"
+  },
+  "keywords": [
+    "once",
+    "function",
+    "one",
+    "single"
+  ],
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC"
+}
diff --git a/node_modules/os-browserify/.npmignore b/node_modules/os-browserify/.npmignore
new file mode 100644
index 00000000..f356293e
--- /dev/null
+++ b/node_modules/os-browserify/.npmignore
@@ -0,0 +1,14 @@
+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+
+pids
+logs
+results
+
+npm-debug.log
diff --git a/node_modules/os-browserify/LICENSE b/node_modules/os-browserify/LICENSE
new file mode 100644
index 00000000..4b870dac
--- /dev/null
+++ b/node_modules/os-browserify/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 CoderPuppy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/os-browserify/README.md b/node_modules/os-browserify/README.md
new file mode 100644
index 00000000..4dd7d6eb
--- /dev/null
+++ b/node_modules/os-browserify/README.md
@@ -0,0 +1,5 @@
+# os-browserify
+
+The [os](https://nodejs.org/api/os.html) module from node.js, but for browsers.
+
+When you `require('os')` in [browserify](http://github.com/substack/node-browserify), this module will be loaded.
diff --git a/node_modules/os-browserify/browser.js b/node_modules/os-browserify/browser.js
new file mode 100644
index 00000000..22d9a2ad
--- /dev/null
+++ b/node_modules/os-browserify/browser.js
@@ -0,0 +1,49 @@
+exports.endianness = function () { return 'LE' };
+
+exports.hostname = function () {
+    if (typeof location !== 'undefined') {
+        return location.hostname
+    }
+    else return '';
+};
+
+exports.loadavg = function () { return [] };
+
+exports.uptime = function () { return 0 };
+
+exports.freemem = function () {
+    return Number.MAX_VALUE;
+};
+
+exports.totalmem = function () {
+    return Number.MAX_VALUE;
+};
+
+exports.cpus = function () { return [] };
+
+exports.type = function () { return 'Browser' };
+
+exports.release = function () {
+    if (typeof navigator !== 'undefined') {
+        return navigator.appVersion;
+    }
+    return '';
+};
+
+exports.networkInterfaces
+= exports.getNetworkInterfaces
+= function () { return {} };
+
+exports.arch = function () { return 'javascript' };
+
+exports.platform = function () { return 'browser' };
+
+exports.tmpdir = exports.tmpDir = function () {
+    return '/tmp';
+};
+
+exports.EOL = '\n';
+
+exports.homedir = function () {
+	return '/'
+};
diff --git a/node_modules/os-browserify/main.js b/node_modules/os-browserify/main.js
new file mode 100644
index 00000000..5910697d
--- /dev/null
+++ b/node_modules/os-browserify/main.js
@@ -0,0 +1 @@
+module.exports = require('os');
diff --git a/node_modules/os-browserify/package.json b/node_modules/os-browserify/package.json
new file mode 100644
index 00000000..1ef42b49
--- /dev/null
+++ b/node_modules/os-browserify/package.json
@@ -0,0 +1,20 @@
+{
+	"name": "os-browserify",
+	"version": "0.3.0",
+	"author": "CoderPuppy <coderpup@gmail.com>",
+	"license": "MIT",
+	"main": "main.js",
+	"browser": "browser.js",
+	"jspm": {
+		"map": {
+			"./main.js": {
+				"node": "@node/os",
+				"browser": "./browser.js"
+			}
+		}
+	},
+	"repository": {
+		"type": "git",
+		"url": "http://github.com/CoderPuppy/os-browserify.git"
+	}
+}
diff --git a/node_modules/p-limit/index.d.ts b/node_modules/p-limit/index.d.ts
new file mode 100644
index 00000000..6bbfad4a
--- /dev/null
+++ b/node_modules/p-limit/index.d.ts
@@ -0,0 +1,38 @@
+export interface Limit {
+	/**
+	@param fn - Promise-returning/async function.
+	@param arguments - Any arguments to pass through to `fn`. Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a lot of functions.
+	@returns The promise returned by calling `fn(...arguments)`.
+	*/
+	<Arguments extends unknown[], ReturnType>(
+		fn: (...arguments: Arguments) => PromiseLike<ReturnType> | ReturnType,
+		...arguments: Arguments
+	): Promise<ReturnType>;
+
+	/**
+	The number of promises that are currently running.
+	*/
+	readonly activeCount: number;
+
+	/**
+	The number of promises that are waiting to run (i.e. their internal `fn` was not called yet).
+	*/
+	readonly pendingCount: number;
+
+	/**
+	Discard pending promises that are waiting to run.
+
+	This might be useful if you want to teardown the queue at the end of your program's lifecycle or discard any function calls referencing an intermediary state of your app.
+
+	Note: This does not cancel promises that are already running.
+	*/
+	clearQueue(): void;
+}
+
+/**
+Run multiple promise-returning & async functions with limited concurrency.
+
+@param concurrency - Concurrency limit. Minimum: `1`.
+@returns A `limit` function.
+*/
+export default function pLimit(concurrency: number): Limit;
diff --git a/node_modules/p-limit/index.js b/node_modules/p-limit/index.js
new file mode 100644
index 00000000..6a72a4c4
--- /dev/null
+++ b/node_modules/p-limit/index.js
@@ -0,0 +1,57 @@
+'use strict';
+const pTry = require('p-try');
+
+const pLimit = concurrency => {
+	if (!((Number.isInteger(concurrency) || concurrency === Infinity) && concurrency > 0)) {
+		return Promise.reject(new TypeError('Expected `concurrency` to be a number from 1 and up'));
+	}
+
+	const queue = [];
+	let activeCount = 0;
+
+	const next = () => {
+		activeCount--;
+
+		if (queue.length > 0) {
+			queue.shift()();
+		}
+	};
+
+	const run = (fn, resolve, ...args) => {
+		activeCount++;
+
+		const result = pTry(fn, ...args);
+
+		resolve(result);
+
+		result.then(next, next);
+	};
+
+	const enqueue = (fn, resolve, ...args) => {
+		if (activeCount < concurrency) {
+			run(fn, resolve, ...args);
+		} else {
+			queue.push(run.bind(null, fn, resolve, ...args));
+		}
+	};
+
+	const generator = (fn, ...args) => new Promise(resolve => enqueue(fn, resolve, ...args));
+	Object.defineProperties(generator, {
+		activeCount: {
+			get: () => activeCount
+		},
+		pendingCount: {
+			get: () => queue.length
+		},
+		clearQueue: {
+			value: () => {
+				queue.length = 0;
+			}
+		}
+	});
+
+	return generator;
+};
+
+module.exports = pLimit;
+module.exports.default = pLimit;
diff --git a/node_modules/p-limit/license b/node_modules/p-limit/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/p-limit/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/p-limit/package.json b/node_modules/p-limit/package.json
new file mode 100644
index 00000000..99a814f6
--- /dev/null
+++ b/node_modules/p-limit/package.json
@@ -0,0 +1,52 @@
+{
+	"name": "p-limit",
+	"version": "2.3.0",
+	"description": "Run multiple promise-returning & async functions with limited concurrency",
+	"license": "MIT",
+	"repository": "sindresorhus/p-limit",
+	"funding": "https://github.com/sponsors/sindresorhus",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd-check"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"promise",
+		"limit",
+		"limited",
+		"concurrency",
+		"throttle",
+		"throat",
+		"rate",
+		"batch",
+		"ratelimit",
+		"task",
+		"queue",
+		"async",
+		"await",
+		"promises",
+		"bluebird"
+	],
+	"dependencies": {
+		"p-try": "^2.0.0"
+	},
+	"devDependencies": {
+		"ava": "^1.2.1",
+		"delay": "^4.1.0",
+		"in-range": "^1.0.0",
+		"random-int": "^1.0.0",
+		"time-span": "^2.0.0",
+		"tsd-check": "^0.3.0",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/node_modules/p-limit/readme.md b/node_modules/p-limit/readme.md
new file mode 100644
index 00000000..64aa476e
--- /dev/null
+++ b/node_modules/p-limit/readme.md
@@ -0,0 +1,101 @@
+# p-limit [![Build Status](https://travis-ci.org/sindresorhus/p-limit.svg?branch=master)](https://travis-ci.org/sindresorhus/p-limit)
+
+> Run multiple promise-returning & async functions with limited concurrency
+
+## Install
+
+```
+$ npm install p-limit
+```
+
+## Usage
+
+```js
+const pLimit = require('p-limit');
+
+const limit = pLimit(1);
+
+const input = [
+	limit(() => fetchSomething('foo')),
+	limit(() => fetchSomething('bar')),
+	limit(() => doSomething())
+];
+
+(async () => {
+	// Only one promise is run at once
+	const result = await Promise.all(input);
+	console.log(result);
+})();
+```
+
+## API
+
+### pLimit(concurrency)
+
+Returns a `limit` function.
+
+#### concurrency
+
+Type: `number`\
+Minimum: `1`\
+Default: `Infinity`
+
+Concurrency limit.
+
+### limit(fn, ...args)
+
+Returns the promise returned by calling `fn(...args)`.
+
+#### fn
+
+Type: `Function`
+
+Promise-returning/async function.
+
+#### args
+
+Any arguments to pass through to `fn`.
+
+Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a *lot* of functions.
+
+### limit.activeCount
+
+The number of promises that are currently running.
+
+### limit.pendingCount
+
+The number of promises that are waiting to run (i.e. their internal `fn` was not called yet).
+
+### limit.clearQueue()
+
+Discard pending promises that are waiting to run.
+
+This might be useful if you want to teardown the queue at the end of your program's lifecycle or discard any function calls referencing an intermediary state of your app.
+
+Note: This does not cancel promises that are already running.
+
+## FAQ
+
+### How is this different from the [`p-queue`](https://github.com/sindresorhus/p-queue) package?
+
+This package is only about limiting the number of concurrent executions, while `p-queue` is a fully featured queue implementation with lots of different options, introspection, and ability to pause the queue.
+
+## Related
+
+- [p-queue](https://github.com/sindresorhus/p-queue) - Promise queue with concurrency control
+- [p-throttle](https://github.com/sindresorhus/p-throttle) - Throttle promise-returning & async functions
+- [p-debounce](https://github.com/sindresorhus/p-debounce) - Debounce promise-returning & async functions
+- [p-all](https://github.com/sindresorhus/p-all) - Run promise-returning & async functions concurrently with optional limited concurrency
+- [More…](https://github.com/sindresorhus/promise-fun)
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-p-limit?utm_source=npm-p-limit&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>
diff --git a/node_modules/p-locate/index.js b/node_modules/p-locate/index.js
new file mode 100644
index 00000000..4bd08aad
--- /dev/null
+++ b/node_modules/p-locate/index.js
@@ -0,0 +1,34 @@
+'use strict';
+const pLimit = require('p-limit');
+
+class EndError extends Error {
+	constructor(value) {
+		super();
+		this.value = value;
+	}
+}
+
+// The input can also be a promise, so we `Promise.resolve()` it
+const testElement = (el, tester) => Promise.resolve(el).then(tester);
+
+// The input can also be a promise, so we `Promise.all()` them both
+const finder = el => Promise.all(el).then(val => val[1] === true && Promise.reject(new EndError(val[0])));
+
+module.exports = (iterable, tester, opts) => {
+	opts = Object.assign({
+		concurrency: Infinity,
+		preserveOrder: true
+	}, opts);
+
+	const limit = pLimit(opts.concurrency);
+
+	// Start all the promises concurrently with optional limit
+	const items = [...iterable].map(el => [el, limit(testElement, el, tester)]);
+
+	// Check the promises either serially or concurrently
+	const checkLimit = pLimit(opts.preserveOrder ? 1 : Infinity);
+
+	return Promise.all(items.map(el => checkLimit(finder, el)))
+		.then(() => {})
+		.catch(err => err instanceof EndError ? err.value : Promise.reject(err));
+};
diff --git a/node_modules/p-locate/license b/node_modules/p-locate/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/p-locate/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/p-locate/package.json b/node_modules/p-locate/package.json
new file mode 100644
index 00000000..1d28b54c
--- /dev/null
+++ b/node_modules/p-locate/package.json
@@ -0,0 +1,51 @@
+{
+	"name": "p-locate",
+	"version": "3.0.0",
+	"description": "Get the first fulfilled promise that satisfies the provided testing function",
+	"license": "MIT",
+	"repository": "sindresorhus/p-locate",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"promise",
+		"locate",
+		"find",
+		"finder",
+		"search",
+		"searcher",
+		"test",
+		"array",
+		"collection",
+		"iterable",
+		"iterator",
+		"race",
+		"fulfilled",
+		"fastest",
+		"async",
+		"await",
+		"promises",
+		"bluebird"
+	],
+	"dependencies": {
+		"p-limit": "^2.0.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"delay": "^3.0.0",
+		"in-range": "^1.0.0",
+		"time-span": "^2.0.0",
+		"xo": "*"
+	}
+}
diff --git a/node_modules/p-locate/readme.md b/node_modules/p-locate/readme.md
new file mode 100644
index 00000000..3b0173bc
--- /dev/null
+++ b/node_modules/p-locate/readme.md
@@ -0,0 +1,88 @@
+# p-locate [![Build Status](https://travis-ci.org/sindresorhus/p-locate.svg?branch=master)](https://travis-ci.org/sindresorhus/p-locate)
+
+> Get the first fulfilled promise that satisfies the provided testing function
+
+Think of it like an async version of [`Array#find`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/find).
+
+
+## Install
+
+```
+$ npm install p-locate
+```
+
+
+## Usage
+
+Here we find the first file that exists on disk, in array order.
+
+```js
+const pathExists = require('path-exists');
+const pLocate = require('p-locate');
+
+const files = [
+	'unicorn.png',
+	'rainbow.png', // Only this one actually exists on disk
+	'pony.png'
+];
+
+(async () => {
+	const foundPath = await pLocate(files, file => pathExists(file));
+
+	console.log(foundPath);
+	//=> 'rainbow'
+})();
+```
+
+*The above is just an example. Use [`locate-path`](https://github.com/sindresorhus/locate-path) if you need this.*
+
+
+## API
+
+### pLocate(input, tester, [options])
+
+Returns a `Promise` that is fulfilled when `tester` resolves to `true` or the iterable is done, or rejects if any of the promises reject. The fulfilled value is the current iterable value or `undefined` if `tester` never resolved to `true`.
+
+#### input
+
+Type: `Iterable<Promise|any>`
+
+#### tester(element)
+
+Type: `Function`
+
+Expected to return a `Promise<boolean>` or boolean.
+
+#### options
+
+Type: `Object`
+
+##### concurrency
+
+Type: `number`<br>
+Default: `Infinity`<br>
+Minimum: `1`
+
+Number of concurrently pending promises returned by `tester`.
+
+##### preserveOrder
+
+Type: `boolean`<br>
+Default: `true`
+
+Preserve `input` order when searching.
+
+Disable this to improve performance if you don't care about the order.
+
+
+## Related
+
+- [p-map](https://github.com/sindresorhus/p-map) - Map over promises concurrently
+- [p-filter](https://github.com/sindresorhus/p-filter) - Filter promises concurrently
+- [p-any](https://github.com/sindresorhus/p-any) - Wait for any promise to be fulfilled
+- [More…](https://github.com/sindresorhus/promise-fun)
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/p-try/index.d.ts b/node_modules/p-try/index.d.ts
new file mode 100644
index 00000000..2a7319ec
--- /dev/null
+++ b/node_modules/p-try/index.d.ts
@@ -0,0 +1,39 @@
+declare const pTry: {
+	/**
+	Start a promise chain.
+
+	@param fn - The function to run to start the promise chain.
+	@param arguments - Arguments to pass to `fn`.
+	@returns The value of calling `fn(...arguments)`. If the function throws an error, the returned `Promise` will be rejected with that error.
+
+	@example
+	```
+	import pTry = require('p-try');
+
+	(async () => {
+		try {
+			const value = await pTry(() => {
+				return synchronousFunctionThatMightThrow();
+			});
+			console.log(value);
+		} catch (error) {
+			console.error(error);
+		}
+	})();
+	```
+	*/
+	<ValueType, ArgumentsType extends unknown[]>(
+		fn: (...arguments: ArgumentsType) => PromiseLike<ValueType> | ValueType,
+		...arguments: ArgumentsType
+	): Promise<ValueType>;
+
+	// TODO: remove this in the next major version, refactor the whole definition to:
+	// declare function pTry<ValueType, ArgumentsType extends unknown[]>(
+	//	fn: (...arguments: ArgumentsType) => PromiseLike<ValueType> | ValueType,
+	//	...arguments: ArgumentsType
+	// ): Promise<ValueType>;
+	// export = pTry;
+	default: typeof pTry;
+};
+
+export = pTry;
diff --git a/node_modules/p-try/index.js b/node_modules/p-try/index.js
new file mode 100644
index 00000000..db858da2
--- /dev/null
+++ b/node_modules/p-try/index.js
@@ -0,0 +1,9 @@
+'use strict';
+
+const pTry = (fn, ...arguments_) => new Promise(resolve => {
+	resolve(fn(...arguments_));
+});
+
+module.exports = pTry;
+// TODO: remove this in the next major version
+module.exports.default = pTry;
diff --git a/node_modules/p-try/license b/node_modules/p-try/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/p-try/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/p-try/package.json b/node_modules/p-try/package.json
new file mode 100644
index 00000000..81c4d32e
--- /dev/null
+++ b/node_modules/p-try/package.json
@@ -0,0 +1,42 @@
+{
+	"name": "p-try",
+	"version": "2.2.0",
+	"description": "`Start a promise chain",
+	"license": "MIT",
+	"repository": "sindresorhus/p-try",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"promise",
+		"try",
+		"resolve",
+		"function",
+		"catch",
+		"async",
+		"await",
+		"promises",
+		"settled",
+		"ponyfill",
+		"polyfill",
+		"shim",
+		"bluebird"
+	],
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.1",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/node_modules/p-try/readme.md b/node_modules/p-try/readme.md
new file mode 100644
index 00000000..4d7bd64d
--- /dev/null
+++ b/node_modules/p-try/readme.md
@@ -0,0 +1,58 @@
+# p-try [![Build Status](https://travis-ci.org/sindresorhus/p-try.svg?branch=master)](https://travis-ci.org/sindresorhus/p-try)
+
+> Start a promise chain
+
+[How is it useful?](http://cryto.net/~joepie91/blog/2016/05/11/what-is-promise-try-and-why-does-it-matter/)
+
+
+## Install
+
+```
+$ npm install p-try
+```
+
+
+## Usage
+
+```js
+const pTry = require('p-try');
+
+(async () => {
+	try {
+		const value = await pTry(() => {
+			return synchronousFunctionThatMightThrow();
+		});
+		console.log(value);
+	} catch (error) {
+		console.error(error);
+	}
+})();
+```
+
+
+## API
+
+### pTry(fn, ...arguments)
+
+Returns a `Promise` resolved with the value of calling `fn(...arguments)`. If the function throws an error, the returned `Promise` will be rejected with that error.
+
+Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a *lot* of functions.
+
+#### fn
+
+The function to run to start the promise chain.
+
+#### arguments
+
+Arguments to pass to `fn`.
+
+
+## Related
+
+- [p-finally](https://github.com/sindresorhus/p-finally) - `Promise#finally()` ponyfill - Invoked when the promise is settled regardless of outcome
+- [More…](https://github.com/sindresorhus/promise-fun)
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/pako/CHANGELOG.md b/node_modules/pako/CHANGELOG.md
new file mode 100644
index 00000000..a861326b
--- /dev/null
+++ b/node_modules/pako/CHANGELOG.md
@@ -0,0 +1,164 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [1.0.11] -  2020-01-29
+### Fixed
+- Fix tests in node.js v12+, #179.
+
+
+## [1.0.10] -  2019-02-28
+### Fixed
+- Fix minified version, #161.
+
+
+## [1.0.9] - 2019-02-28
+### Fixed
+- Fix `new Buffer()` warning, #154.
+
+
+## [1.0.8] - 2019-01-14
+### Fixed
+- Fix raw inflate with dictionary, #155.
+
+
+## [1.0.7] - 2018-11-29
+### Fixed
+- Fixed RangeError in Crome 72, #150.
+
+
+## [1.0.6] - 2017-09-14
+### Changed
+- Improve @std/esm compatibility.
+
+
+## [1.0.5] - 2017-03-17
+### Changed
+- Maintenance. More formal `zlib` attribution and related
+  changes, #93. Thanks to @bastien-roucaries for the help.
+
+
+## [1.0.4] - 2016-12-15
+### Changed
+- Bump dev dependencies.
+
+### Fixed
+- Make sure `err.message` is filled on throw.
+
+### Added
+- Code examples for utf-16 string encoding & object compression.
+
+
+## [1.0.3] - 2016-07-25
+### Fixed
+- Maintenance: re-release to properly display latest version in npm registry
+  and badges. Because `npm publish` timestamp used instead of versions.
+
+
+## [1.0.2] - 2016-07-21
+### Fixed
+- Fixed nasty bug in deflate (wrong `d_buf` offset), which could cause
+  broken data in some rare cases.
+- Also released as 0.2.9 to give chance to old dependents, not updated to 1.x
+  version.
+
+
+## [1.0.1] - 2016-04-01
+### Added
+- Added dictionary support. Thanks to @dignifiedquire.
+
+
+## [1.0.0] - 2016-02-17
+### Changed
+- Maintenance release (semver, coding style).
+
+
+## [0.2.8] - 2015-09-14
+### Fixed
+- Fixed regression after 0.2.4 for edge conditions in inflate wrapper (#65).
+  Added more tests to cover possible cases.
+
+
+## [0.2.7] - 2015-06-09
+### Added
+- Added Z_SYNC_FLUSH support. Thanks to @TinoLange.
+
+
+## [0.2.6] - 2015-03-24
+### Added
+- Allow ArrayBuffer input.
+
+
+## [0.2.5] - 2014-07-19
+### Fixed
+- Workaround for Chrome 38.0.2096.0 script parser bug, #30.
+
+
+## [0.2.4] - 2014-07-07
+### Fixed
+- Fixed bug in inflate wrapper, #29
+
+
+## [0.2.3] - 2014-06-09
+### Changed
+- Maintenance release, dependencies update.
+
+
+## [0.2.2] - 2014-06-04
+### Fixed
+- Fixed iOS 5.1 Safari issue with `apply(typed_array)`, #26.
+
+
+## [0.2.1] - 2014-05-01
+### Fixed
+- Fixed collision on switch dynamic/fixed tables.
+
+
+## [0.2.0] - 2014-04-18
+### Added
+- Added custom gzip headers support.
+- Added strings support.
+- More coverage tests.
+
+### Fixed
+- Improved memory allocations for small chunks.
+- ZStream properties rename/cleanup.
+
+
+## [0.1.1] - 2014-03-20
+### Fixed
+- Bugfixes for inflate/deflate.
+
+
+## [0.1.0] - 2014-03-15
+### Added
+- First release.
+
+
+[1.0.10]: https://github.com/nodeca/pako/compare/1.0.10...1.0.11
+[1.0.10]: https://github.com/nodeca/pako/compare/1.0.9...1.0.10
+[1.0.9]: https://github.com/nodeca/pako/compare/1.0.8...1.0.9
+[1.0.8]: https://github.com/nodeca/pako/compare/1.0.7...1.0.8
+[1.0.7]: https://github.com/nodeca/pako/compare/1.0.6...1.0.7
+[1.0.6]: https://github.com/nodeca/pako/compare/1.0.5...1.0.6
+[1.0.5]: https://github.com/nodeca/pako/compare/1.0.4...1.0.5
+[1.0.4]: https://github.com/nodeca/pako/compare/1.0.3...1.0.4
+[1.0.3]: https://github.com/nodeca/pako/compare/1.0.2...1.0.3
+[1.0.2]: https://github.com/nodeca/pako/compare/1.0.1...1.0.2
+[1.0.1]: https://github.com/nodeca/pako/compare/1.0.0...1.0.1
+[1.0.0]: https://github.com/nodeca/pako/compare/0.2.8...1.0.0
+[0.2.8]: https://github.com/nodeca/pako/compare/0.2.7...0.2.8
+[0.2.7]: https://github.com/nodeca/pako/compare/0.2.6...0.2.7
+[0.2.6]: https://github.com/nodeca/pako/compare/0.2.5...0.2.6
+[0.2.5]: https://github.com/nodeca/pako/compare/0.2.4...0.2.5
+[0.2.4]: https://github.com/nodeca/pako/compare/0.2.3...0.2.4
+[0.2.3]: https://github.com/nodeca/pako/compare/0.2.2...0.2.3
+[0.2.2]: https://github.com/nodeca/pako/compare/0.2.1...0.2.2
+[0.2.1]: https://github.com/nodeca/pako/compare/0.2.0...0.2.1
+[0.2.0]: https://github.com/nodeca/pako/compare/0.1.1...0.2.0
+[0.1.1]: https://github.com/nodeca/pako/compare/0.1.0...0.1.1
+[0.1.0]: https://github.com/nodeca/pako/releases/tag/0.1.0
diff --git a/node_modules/pako/LICENSE b/node_modules/pako/LICENSE
new file mode 100644
index 00000000..a934ef8d
--- /dev/null
+++ b/node_modules/pako/LICENSE
@@ -0,0 +1,21 @@
+(The MIT License)
+
+Copyright (C) 2014-2017 by Vitaly Puzrin and Andrei Tuputcyn
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/pako/README.md b/node_modules/pako/README.md
new file mode 100644
index 00000000..e952992c
--- /dev/null
+++ b/node_modules/pako/README.md
@@ -0,0 +1,191 @@
+pako
+==========================================
+
+[![Build Status](https://travis-ci.org/nodeca/pako.svg?branch=master)](https://travis-ci.org/nodeca/pako)
+[![NPM version](https://img.shields.io/npm/v/pako.svg)](https://www.npmjs.org/package/pako)
+
+> zlib port to javascript, very fast!
+
+__Why pako is cool:__
+
+- Almost as fast in modern JS engines as C implementation (see benchmarks).
+- Works in browsers, you can browserify any separate component.
+- Chunking support for big blobs.
+- Results are binary equal to well known [zlib](http://www.zlib.net/) (now contains ported zlib v1.2.8).
+
+This project was done to understand how fast JS can be and is it necessary to
+develop native C modules for CPU-intensive tasks. Enjoy the result!
+
+
+__Famous projects, using pako:__
+
+- [browserify](http://browserify.org/) (via [browserify-zlib](https://github.com/devongovett/browserify-zlib))
+- [JSZip](http://stuk.github.io/jszip/)
+- [mincer](https://github.com/nodeca/mincer)
+- [JS-Git](https://github.com/creationix/js-git) and
+  [Tedit](https://chrome.google.com/webstore/detail/tedit-development-environ/ooekdijbnbbjdfjocaiflnjgoohnblgf)
+  by [@creationix](https://github.com/creationix)
+
+
+__Benchmarks:__
+
+```
+node v0.10.26, 1mb sample:
+
+   deflate-dankogai x 4.73 ops/sec ±0.82% (15 runs sampled)
+   deflate-gildas x 4.58 ops/sec ±2.33% (15 runs sampled)
+   deflate-imaya x 3.22 ops/sec ±3.95% (12 runs sampled)
+ ! deflate-pako x 6.99 ops/sec ±0.51% (21 runs sampled)
+   deflate-pako-string x 5.89 ops/sec ±0.77% (18 runs sampled)
+   deflate-pako-untyped x 4.39 ops/sec ±1.58% (14 runs sampled)
+ * deflate-zlib x 14.71 ops/sec ±4.23% (59 runs sampled)
+   inflate-dankogai x 32.16 ops/sec ±0.13% (56 runs sampled)
+   inflate-imaya x 30.35 ops/sec ±0.92% (53 runs sampled)
+ ! inflate-pako x 69.89 ops/sec ±1.46% (71 runs sampled)
+   inflate-pako-string x 19.22 ops/sec ±1.86% (49 runs sampled)
+   inflate-pako-untyped x 17.19 ops/sec ±0.85% (32 runs sampled)
+ * inflate-zlib x 70.03 ops/sec ±1.64% (81 runs sampled)
+
+node v0.11.12, 1mb sample:
+
+   deflate-dankogai x 5.60 ops/sec ±0.49% (17 runs sampled)
+   deflate-gildas x 5.06 ops/sec ±6.00% (16 runs sampled)
+   deflate-imaya x 3.52 ops/sec ±3.71% (13 runs sampled)
+ ! deflate-pako x 11.52 ops/sec ±0.22% (32 runs sampled)
+   deflate-pako-string x 9.53 ops/sec ±1.12% (27 runs sampled)
+   deflate-pako-untyped x 5.44 ops/sec ±0.72% (17 runs sampled)
+ * deflate-zlib x 14.05 ops/sec ±3.34% (63 runs sampled)
+   inflate-dankogai x 42.19 ops/sec ±0.09% (56 runs sampled)
+   inflate-imaya x 79.68 ops/sec ±1.07% (68 runs sampled)
+ ! inflate-pako x 97.52 ops/sec ±0.83% (80 runs sampled)
+   inflate-pako-string x 45.19 ops/sec ±1.69% (57 runs sampled)
+   inflate-pako-untyped x 24.35 ops/sec ±2.59% (40 runs sampled)
+ * inflate-zlib x 60.32 ops/sec ±1.36% (69 runs sampled)
+```
+
+zlib's test is partially affected by marshalling (that make sense for inflate only).
+You can change deflate level to 0 in benchmark source, to investigate details.
+For deflate level 6 results can be considered as correct.
+
+__Install:__
+
+node.js:
+
+```
+npm install pako
+```
+
+browser:
+
+```
+bower install pako
+```
+
+
+Example & API
+-------------
+
+Full docs - http://nodeca.github.io/pako/
+
+```javascript
+var pako = require('pako');
+
+// Deflate
+//
+var input = new Uint8Array();
+//... fill input data here
+var output = pako.deflate(input);
+
+// Inflate (simple wrapper can throw exception on broken stream)
+//
+var compressed = new Uint8Array();
+//... fill data to uncompress here
+try {
+  var result = pako.inflate(compressed);
+} catch (err) {
+  console.log(err);
+}
+
+//
+// Alternate interface for chunking & without exceptions
+//
+
+var inflator = new pako.Inflate();
+
+inflator.push(chunk1, false);
+inflator.push(chunk2, false);
+...
+inflator.push(chunkN, true); // true -> last chunk
+
+if (inflator.err) {
+  console.log(inflator.msg);
+}
+
+var output = inflator.result;
+
+```
+
+Sometime you can wish to work with strings. For example, to send
+big objects as json to server. Pako detects input data type. You can
+force output to be string with option `{ to: 'string' }`.
+
+```javascript
+var pako = require('pako');
+
+var test = { my: 'super', puper: [456, 567], awesome: 'pako' };
+
+var binaryString = pako.deflate(JSON.stringify(test), { to: 'string' });
+
+//
+// Here you can do base64 encode, make xhr requests and so on.
+//
+
+var restored = JSON.parse(pako.inflate(binaryString, { to: 'string' }));
+```
+
+
+Notes
+-----
+
+Pako does not contain some specific zlib functions:
+
+- __deflate__ -  methods `deflateCopy`, `deflateBound`, `deflateParams`,
+  `deflatePending`, `deflatePrime`, `deflateTune`.
+- __inflate__ - methods `inflateCopy`, `inflateMark`,
+  `inflatePrime`, `inflateGetDictionary`, `inflateSync`, `inflateSyncPoint`, `inflateUndermine`.
+- High level inflate/deflate wrappers (classes) may not support some flush
+  modes. Those should work: Z_NO_FLUSH, Z_FINISH, Z_SYNC_FLUSH.
+
+
+pako for enterprise
+-------------------
+
+Available as part of the Tidelift Subscription
+
+The maintainers of pako and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-pako?utm_source=npm-pako&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+
+Authors
+-------
+
+- Andrey Tupitsin [@anrd83](https://github.com/andr83)
+- Vitaly Puzrin [@puzrin](https://github.com/puzrin)
+
+Personal thanks to:
+
+- Vyacheslav Egorov ([@mraleph](https://github.com/mraleph)) for his awesome
+  tutorials about optimising JS code for v8, [IRHydra](http://mrale.ph/irhydra/)
+  tool and his advices.
+- David Duponchel ([@dduponchel](https://github.com/dduponchel)) for help with
+  testing.
+
+Original implementation (in C):
+
+- [zlib](http://zlib.net/) by Jean-loup Gailly and Mark Adler.
+
+
+License
+-------
+
+- MIT - all files, except `/lib/zlib` folder
+- ZLIB - `/lib/zlib` content
diff --git a/node_modules/pako/index.js b/node_modules/pako/index.js
new file mode 100644
index 00000000..cd072515
--- /dev/null
+++ b/node_modules/pako/index.js
@@ -0,0 +1,14 @@
+// Top level file is just a mixin of submodules & constants
+'use strict';
+
+var assign    = require('./lib/utils/common').assign;
+
+var deflate   = require('./lib/deflate');
+var inflate   = require('./lib/inflate');
+var constants = require('./lib/zlib/constants');
+
+var pako = {};
+
+assign(pako, deflate, inflate, constants);
+
+module.exports = pako;
diff --git a/node_modules/pako/lib/deflate.js b/node_modules/pako/lib/deflate.js
new file mode 100644
index 00000000..efeb00c7
--- /dev/null
+++ b/node_modules/pako/lib/deflate.js
@@ -0,0 +1,400 @@
+'use strict';
+
+
+var zlib_deflate = require('./zlib/deflate');
+var utils        = require('./utils/common');
+var strings      = require('./utils/strings');
+var msg          = require('./zlib/messages');
+var ZStream      = require('./zlib/zstream');
+
+var toString = Object.prototype.toString;
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+var Z_NO_FLUSH      = 0;
+var Z_FINISH        = 4;
+
+var Z_OK            = 0;
+var Z_STREAM_END    = 1;
+var Z_SYNC_FLUSH    = 2;
+
+var Z_DEFAULT_COMPRESSION = -1;
+
+var Z_DEFAULT_STRATEGY    = 0;
+
+var Z_DEFLATED  = 8;
+
+/* ===========================================================================*/
+
+
+/**
+ * class Deflate
+ *
+ * Generic JS-style wrapper for zlib calls. If you don't need
+ * streaming behaviour - use more simple functions: [[deflate]],
+ * [[deflateRaw]] and [[gzip]].
+ **/
+
+/* internal
+ * Deflate.chunks -> Array
+ *
+ * Chunks of output data, if [[Deflate#onData]] not overridden.
+ **/
+
+/**
+ * Deflate.result -> Uint8Array|Array
+ *
+ * Compressed result, generated by default [[Deflate#onData]]
+ * and [[Deflate#onEnd]] handlers. Filled after you push last chunk
+ * (call [[Deflate#push]] with `Z_FINISH` / `true` param)  or if you
+ * push a chunk with explicit flush (call [[Deflate#push]] with
+ * `Z_SYNC_FLUSH` param).
+ **/
+
+/**
+ * Deflate.err -> Number
+ *
+ * Error code after deflate finished. 0 (Z_OK) on success.
+ * You will not need it in real life, because deflate errors
+ * are possible only on wrong options or bad `onData` / `onEnd`
+ * custom handlers.
+ **/
+
+/**
+ * Deflate.msg -> String
+ *
+ * Error message, if [[Deflate.err]] != 0
+ **/
+
+
+/**
+ * new Deflate(options)
+ * - options (Object): zlib deflate options.
+ *
+ * Creates new deflator instance with specified params. Throws exception
+ * on bad params. Supported options:
+ *
+ * - `level`
+ * - `windowBits`
+ * - `memLevel`
+ * - `strategy`
+ * - `dictionary`
+ *
+ * [http://zlib.net/manual.html#Advanced](http://zlib.net/manual.html#Advanced)
+ * for more information on these.
+ *
+ * Additional options, for internal needs:
+ *
+ * - `chunkSize` - size of generated data chunks (16K by default)
+ * - `raw` (Boolean) - do raw deflate
+ * - `gzip` (Boolean) - create gzip wrapper
+ * - `to` (String) - if equal to 'string', then result will be "binary string"
+ *    (each char code [0..255])
+ * - `header` (Object) - custom header for gzip
+ *   - `text` (Boolean) - true if compressed data believed to be text
+ *   - `time` (Number) - modification time, unix timestamp
+ *   - `os` (Number) - operation system code
+ *   - `extra` (Array) - array of bytes with extra data (max 65536)
+ *   - `name` (String) - file name (binary string)
+ *   - `comment` (String) - comment (binary string)
+ *   - `hcrc` (Boolean) - true if header crc should be added
+ *
+ * ##### Example:
+ *
+ * ```javascript
+ * var pako = require('pako')
+ *   , chunk1 = Uint8Array([1,2,3,4,5,6,7,8,9])
+ *   , chunk2 = Uint8Array([10,11,12,13,14,15,16,17,18,19]);
+ *
+ * var deflate = new pako.Deflate({ level: 3});
+ *
+ * deflate.push(chunk1, false);
+ * deflate.push(chunk2, true);  // true -> last chunk
+ *
+ * if (deflate.err) { throw new Error(deflate.err); }
+ *
+ * console.log(deflate.result);
+ * ```
+ **/
+function Deflate(options) {
+  if (!(this instanceof Deflate)) return new Deflate(options);
+
+  this.options = utils.assign({
+    level: Z_DEFAULT_COMPRESSION,
+    method: Z_DEFLATED,
+    chunkSize: 16384,
+    windowBits: 15,
+    memLevel: 8,
+    strategy: Z_DEFAULT_STRATEGY,
+    to: ''
+  }, options || {});
+
+  var opt = this.options;
+
+  if (opt.raw && (opt.windowBits > 0)) {
+    opt.windowBits = -opt.windowBits;
+  }
+
+  else if (opt.gzip && (opt.windowBits > 0) && (opt.windowBits < 16)) {
+    opt.windowBits += 16;
+  }
+
+  this.err    = 0;      // error code, if happens (0 = Z_OK)
+  this.msg    = '';     // error message
+  this.ended  = false;  // used to avoid multiple onEnd() calls
+  this.chunks = [];     // chunks of compressed data
+
+  this.strm = new ZStream();
+  this.strm.avail_out = 0;
+
+  var status = zlib_deflate.deflateInit2(
+    this.strm,
+    opt.level,
+    opt.method,
+    opt.windowBits,
+    opt.memLevel,
+    opt.strategy
+  );
+
+  if (status !== Z_OK) {
+    throw new Error(msg[status]);
+  }
+
+  if (opt.header) {
+    zlib_deflate.deflateSetHeader(this.strm, opt.header);
+  }
+
+  if (opt.dictionary) {
+    var dict;
+    // Convert data if needed
+    if (typeof opt.dictionary === 'string') {
+      // If we need to compress text, change encoding to utf8.
+      dict = strings.string2buf(opt.dictionary);
+    } else if (toString.call(opt.dictionary) === '[object ArrayBuffer]') {
+      dict = new Uint8Array(opt.dictionary);
+    } else {
+      dict = opt.dictionary;
+    }
+
+    status = zlib_deflate.deflateSetDictionary(this.strm, dict);
+
+    if (status !== Z_OK) {
+      throw new Error(msg[status]);
+    }
+
+    this._dict_set = true;
+  }
+}
+
+/**
+ * Deflate#push(data[, mode]) -> Boolean
+ * - data (Uint8Array|Array|ArrayBuffer|String): input data. Strings will be
+ *   converted to utf8 byte sequence.
+ * - mode (Number|Boolean): 0..6 for corresponding Z_NO_FLUSH..Z_TREE modes.
+ *   See constants. Skipped or `false` means Z_NO_FLUSH, `true` means Z_FINISH.
+ *
+ * Sends input data to deflate pipe, generating [[Deflate#onData]] calls with
+ * new compressed chunks. Returns `true` on success. The last data block must have
+ * mode Z_FINISH (or `true`). That will flush internal pending buffers and call
+ * [[Deflate#onEnd]]. For interim explicit flushes (without ending the stream) you
+ * can use mode Z_SYNC_FLUSH, keeping the compression context.
+ *
+ * On fail call [[Deflate#onEnd]] with error code and return false.
+ *
+ * We strongly recommend to use `Uint8Array` on input for best speed (output
+ * array format is detected automatically). Also, don't skip last param and always
+ * use the same type in your code (boolean or number). That will improve JS speed.
+ *
+ * For regular `Array`-s make sure all elements are [0..255].
+ *
+ * ##### Example
+ *
+ * ```javascript
+ * push(chunk, false); // push one of data chunks
+ * ...
+ * push(chunk, true);  // push last chunk
+ * ```
+ **/
+Deflate.prototype.push = function (data, mode) {
+  var strm = this.strm;
+  var chunkSize = this.options.chunkSize;
+  var status, _mode;
+
+  if (this.ended) { return false; }
+
+  _mode = (mode === ~~mode) ? mode : ((mode === true) ? Z_FINISH : Z_NO_FLUSH);
+
+  // Convert data if needed
+  if (typeof data === 'string') {
+    // If we need to compress text, change encoding to utf8.
+    strm.input = strings.string2buf(data);
+  } else if (toString.call(data) === '[object ArrayBuffer]') {
+    strm.input = new Uint8Array(data);
+  } else {
+    strm.input = data;
+  }
+
+  strm.next_in = 0;
+  strm.avail_in = strm.input.length;
+
+  do {
+    if (strm.avail_out === 0) {
+      strm.output = new utils.Buf8(chunkSize);
+      strm.next_out = 0;
+      strm.avail_out = chunkSize;
+    }
+    status = zlib_deflate.deflate(strm, _mode);    /* no bad return value */
+
+    if (status !== Z_STREAM_END && status !== Z_OK) {
+      this.onEnd(status);
+      this.ended = true;
+      return false;
+    }
+    if (strm.avail_out === 0 || (strm.avail_in === 0 && (_mode === Z_FINISH || _mode === Z_SYNC_FLUSH))) {
+      if (this.options.to === 'string') {
+        this.onData(strings.buf2binstring(utils.shrinkBuf(strm.output, strm.next_out)));
+      } else {
+        this.onData(utils.shrinkBuf(strm.output, strm.next_out));
+      }
+    }
+  } while ((strm.avail_in > 0 || strm.avail_out === 0) && status !== Z_STREAM_END);
+
+  // Finalize on the last chunk.
+  if (_mode === Z_FINISH) {
+    status = zlib_deflate.deflateEnd(this.strm);
+    this.onEnd(status);
+    this.ended = true;
+    return status === Z_OK;
+  }
+
+  // callback interim results if Z_SYNC_FLUSH.
+  if (_mode === Z_SYNC_FLUSH) {
+    this.onEnd(Z_OK);
+    strm.avail_out = 0;
+    return true;
+  }
+
+  return true;
+};
+
+
+/**
+ * Deflate#onData(chunk) -> Void
+ * - chunk (Uint8Array|Array|String): output data. Type of array depends
+ *   on js engine support. When string output requested, each chunk
+ *   will be string.
+ *
+ * By default, stores data blocks in `chunks[]` property and glue
+ * those in `onEnd`. Override this handler, if you need another behaviour.
+ **/
+Deflate.prototype.onData = function (chunk) {
+  this.chunks.push(chunk);
+};
+
+
+/**
+ * Deflate#onEnd(status) -> Void
+ * - status (Number): deflate status. 0 (Z_OK) on success,
+ *   other if not.
+ *
+ * Called once after you tell deflate that the input stream is
+ * complete (Z_FINISH) or should be flushed (Z_SYNC_FLUSH)
+ * or if an error happened. By default - join collected chunks,
+ * free memory and fill `results` / `err` properties.
+ **/
+Deflate.prototype.onEnd = function (status) {
+  // On success - join
+  if (status === Z_OK) {
+    if (this.options.to === 'string') {
+      this.result = this.chunks.join('');
+    } else {
+      this.result = utils.flattenChunks(this.chunks);
+    }
+  }
+  this.chunks = [];
+  this.err = status;
+  this.msg = this.strm.msg;
+};
+
+
+/**
+ * deflate(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to compress.
+ * - options (Object): zlib deflate options.
+ *
+ * Compress `data` with deflate algorithm and `options`.
+ *
+ * Supported options are:
+ *
+ * - level
+ * - windowBits
+ * - memLevel
+ * - strategy
+ * - dictionary
+ *
+ * [http://zlib.net/manual.html#Advanced](http://zlib.net/manual.html#Advanced)
+ * for more information on these.
+ *
+ * Sugar (options):
+ *
+ * - `raw` (Boolean) - say that we work with raw stream, if you don't wish to specify
+ *   negative windowBits implicitly.
+ * - `to` (String) - if equal to 'string', then result will be "binary string"
+ *    (each char code [0..255])
+ *
+ * ##### Example:
+ *
+ * ```javascript
+ * var pako = require('pako')
+ *   , data = Uint8Array([1,2,3,4,5,6,7,8,9]);
+ *
+ * console.log(pako.deflate(data));
+ * ```
+ **/
+function deflate(input, options) {
+  var deflator = new Deflate(options);
+
+  deflator.push(input, true);
+
+  // That will never happens, if you don't cheat with options :)
+  if (deflator.err) { throw deflator.msg || msg[deflator.err]; }
+
+  return deflator.result;
+}
+
+
+/**
+ * deflateRaw(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to compress.
+ * - options (Object): zlib deflate options.
+ *
+ * The same as [[deflate]], but creates raw data, without wrapper
+ * (header and adler32 crc).
+ **/
+function deflateRaw(input, options) {
+  options = options || {};
+  options.raw = true;
+  return deflate(input, options);
+}
+
+
+/**
+ * gzip(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to compress.
+ * - options (Object): zlib deflate options.
+ *
+ * The same as [[deflate]], but create gzip wrapper instead of
+ * deflate one.
+ **/
+function gzip(input, options) {
+  options = options || {};
+  options.gzip = true;
+  return deflate(input, options);
+}
+
+
+exports.Deflate = Deflate;
+exports.deflate = deflate;
+exports.deflateRaw = deflateRaw;
+exports.gzip = gzip;
diff --git a/node_modules/pako/lib/inflate.js b/node_modules/pako/lib/inflate.js
new file mode 100644
index 00000000..7535d15a
--- /dev/null
+++ b/node_modules/pako/lib/inflate.js
@@ -0,0 +1,423 @@
+'use strict';
+
+
+var zlib_inflate = require('./zlib/inflate');
+var utils        = require('./utils/common');
+var strings      = require('./utils/strings');
+var c            = require('./zlib/constants');
+var msg          = require('./zlib/messages');
+var ZStream      = require('./zlib/zstream');
+var GZheader     = require('./zlib/gzheader');
+
+var toString = Object.prototype.toString;
+
+/**
+ * class Inflate
+ *
+ * Generic JS-style wrapper for zlib calls. If you don't need
+ * streaming behaviour - use more simple functions: [[inflate]]
+ * and [[inflateRaw]].
+ **/
+
+/* internal
+ * inflate.chunks -> Array
+ *
+ * Chunks of output data, if [[Inflate#onData]] not overridden.
+ **/
+
+/**
+ * Inflate.result -> Uint8Array|Array|String
+ *
+ * Uncompressed result, generated by default [[Inflate#onData]]
+ * and [[Inflate#onEnd]] handlers. Filled after you push last chunk
+ * (call [[Inflate#push]] with `Z_FINISH` / `true` param) or if you
+ * push a chunk with explicit flush (call [[Inflate#push]] with
+ * `Z_SYNC_FLUSH` param).
+ **/
+
+/**
+ * Inflate.err -> Number
+ *
+ * Error code after inflate finished. 0 (Z_OK) on success.
+ * Should be checked if broken data possible.
+ **/
+
+/**
+ * Inflate.msg -> String
+ *
+ * Error message, if [[Inflate.err]] != 0
+ **/
+
+
+/**
+ * new Inflate(options)
+ * - options (Object): zlib inflate options.
+ *
+ * Creates new inflator instance with specified params. Throws exception
+ * on bad params. Supported options:
+ *
+ * - `windowBits`
+ * - `dictionary`
+ *
+ * [http://zlib.net/manual.html#Advanced](http://zlib.net/manual.html#Advanced)
+ * for more information on these.
+ *
+ * Additional options, for internal needs:
+ *
+ * - `chunkSize` - size of generated data chunks (16K by default)
+ * - `raw` (Boolean) - do raw inflate
+ * - `to` (String) - if equal to 'string', then result will be converted
+ *   from utf8 to utf16 (javascript) string. When string output requested,
+ *   chunk length can differ from `chunkSize`, depending on content.
+ *
+ * By default, when no options set, autodetect deflate/gzip data format via
+ * wrapper header.
+ *
+ * ##### Example:
+ *
+ * ```javascript
+ * var pako = require('pako')
+ *   , chunk1 = Uint8Array([1,2,3,4,5,6,7,8,9])
+ *   , chunk2 = Uint8Array([10,11,12,13,14,15,16,17,18,19]);
+ *
+ * var inflate = new pako.Inflate({ level: 3});
+ *
+ * inflate.push(chunk1, false);
+ * inflate.push(chunk2, true);  // true -> last chunk
+ *
+ * if (inflate.err) { throw new Error(inflate.err); }
+ *
+ * console.log(inflate.result);
+ * ```
+ **/
+function Inflate(options) {
+  if (!(this instanceof Inflate)) return new Inflate(options);
+
+  this.options = utils.assign({
+    chunkSize: 16384,
+    windowBits: 0,
+    to: ''
+  }, options || {});
+
+  var opt = this.options;
+
+  // Force window size for `raw` data, if not set directly,
+  // because we have no header for autodetect.
+  if (opt.raw && (opt.windowBits >= 0) && (opt.windowBits < 16)) {
+    opt.windowBits = -opt.windowBits;
+    if (opt.windowBits === 0) { opt.windowBits = -15; }
+  }
+
+  // If `windowBits` not defined (and mode not raw) - set autodetect flag for gzip/deflate
+  if ((opt.windowBits >= 0) && (opt.windowBits < 16) &&
+      !(options && options.windowBits)) {
+    opt.windowBits += 32;
+  }
+
+  // Gzip header has no info about windows size, we can do autodetect only
+  // for deflate. So, if window size not set, force it to max when gzip possible
+  if ((opt.windowBits > 15) && (opt.windowBits < 48)) {
+    // bit 3 (16) -> gzipped data
+    // bit 4 (32) -> autodetect gzip/deflate
+    if ((opt.windowBits & 15) === 0) {
+      opt.windowBits |= 15;
+    }
+  }
+
+  this.err    = 0;      // error code, if happens (0 = Z_OK)
+  this.msg    = '';     // error message
+  this.ended  = false;  // used to avoid multiple onEnd() calls
+  this.chunks = [];     // chunks of compressed data
+
+  this.strm   = new ZStream();
+  this.strm.avail_out = 0;
+
+  var status  = zlib_inflate.inflateInit2(
+    this.strm,
+    opt.windowBits
+  );
+
+  if (status !== c.Z_OK) {
+    throw new Error(msg[status]);
+  }
+
+  this.header = new GZheader();
+
+  zlib_inflate.inflateGetHeader(this.strm, this.header);
+
+  // Setup dictionary
+  if (opt.dictionary) {
+    // Convert data if needed
+    if (typeof opt.dictionary === 'string') {
+      opt.dictionary = strings.string2buf(opt.dictionary);
+    } else if (toString.call(opt.dictionary) === '[object ArrayBuffer]') {
+      opt.dictionary = new Uint8Array(opt.dictionary);
+    }
+    if (opt.raw) { //In raw mode we need to set the dictionary early
+      status = zlib_inflate.inflateSetDictionary(this.strm, opt.dictionary);
+      if (status !== c.Z_OK) {
+        throw new Error(msg[status]);
+      }
+    }
+  }
+}
+
+/**
+ * Inflate#push(data[, mode]) -> Boolean
+ * - data (Uint8Array|Array|ArrayBuffer|String): input data
+ * - mode (Number|Boolean): 0..6 for corresponding Z_NO_FLUSH..Z_TREE modes.
+ *   See constants. Skipped or `false` means Z_NO_FLUSH, `true` means Z_FINISH.
+ *
+ * Sends input data to inflate pipe, generating [[Inflate#onData]] calls with
+ * new output chunks. Returns `true` on success. The last data block must have
+ * mode Z_FINISH (or `true`). That will flush internal pending buffers and call
+ * [[Inflate#onEnd]]. For interim explicit flushes (without ending the stream) you
+ * can use mode Z_SYNC_FLUSH, keeping the decompression context.
+ *
+ * On fail call [[Inflate#onEnd]] with error code and return false.
+ *
+ * We strongly recommend to use `Uint8Array` on input for best speed (output
+ * format is detected automatically). Also, don't skip last param and always
+ * use the same type in your code (boolean or number). That will improve JS speed.
+ *
+ * For regular `Array`-s make sure all elements are [0..255].
+ *
+ * ##### Example
+ *
+ * ```javascript
+ * push(chunk, false); // push one of data chunks
+ * ...
+ * push(chunk, true);  // push last chunk
+ * ```
+ **/
+Inflate.prototype.push = function (data, mode) {
+  var strm = this.strm;
+  var chunkSize = this.options.chunkSize;
+  var dictionary = this.options.dictionary;
+  var status, _mode;
+  var next_out_utf8, tail, utf8str;
+
+  // Flag to properly process Z_BUF_ERROR on testing inflate call
+  // when we check that all output data was flushed.
+  var allowBufError = false;
+
+  if (this.ended) { return false; }
+  _mode = (mode === ~~mode) ? mode : ((mode === true) ? c.Z_FINISH : c.Z_NO_FLUSH);
+
+  // Convert data if needed
+  if (typeof data === 'string') {
+    // Only binary strings can be decompressed on practice
+    strm.input = strings.binstring2buf(data);
+  } else if (toString.call(data) === '[object ArrayBuffer]') {
+    strm.input = new Uint8Array(data);
+  } else {
+    strm.input = data;
+  }
+
+  strm.next_in = 0;
+  strm.avail_in = strm.input.length;
+
+  do {
+    if (strm.avail_out === 0) {
+      strm.output = new utils.Buf8(chunkSize);
+      strm.next_out = 0;
+      strm.avail_out = chunkSize;
+    }
+
+    status = zlib_inflate.inflate(strm, c.Z_NO_FLUSH);    /* no bad return value */
+
+    if (status === c.Z_NEED_DICT && dictionary) {
+      status = zlib_inflate.inflateSetDictionary(this.strm, dictionary);
+    }
+
+    if (status === c.Z_BUF_ERROR && allowBufError === true) {
+      status = c.Z_OK;
+      allowBufError = false;
+    }
+
+    if (status !== c.Z_STREAM_END && status !== c.Z_OK) {
+      this.onEnd(status);
+      this.ended = true;
+      return false;
+    }
+
+    if (strm.next_out) {
+      if (strm.avail_out === 0 || status === c.Z_STREAM_END || (strm.avail_in === 0 && (_mode === c.Z_FINISH || _mode === c.Z_SYNC_FLUSH))) {
+
+        if (this.options.to === 'string') {
+
+          next_out_utf8 = strings.utf8border(strm.output, strm.next_out);
+
+          tail = strm.next_out - next_out_utf8;
+          utf8str = strings.buf2string(strm.output, next_out_utf8);
+
+          // move tail
+          strm.next_out = tail;
+          strm.avail_out = chunkSize - tail;
+          if (tail) { utils.arraySet(strm.output, strm.output, next_out_utf8, tail, 0); }
+
+          this.onData(utf8str);
+
+        } else {
+          this.onData(utils.shrinkBuf(strm.output, strm.next_out));
+        }
+      }
+    }
+
+    // When no more input data, we should check that internal inflate buffers
+    // are flushed. The only way to do it when avail_out = 0 - run one more
+    // inflate pass. But if output data not exists, inflate return Z_BUF_ERROR.
+    // Here we set flag to process this error properly.
+    //
+    // NOTE. Deflate does not return error in this case and does not needs such
+    // logic.
+    if (strm.avail_in === 0 && strm.avail_out === 0) {
+      allowBufError = true;
+    }
+
+  } while ((strm.avail_in > 0 || strm.avail_out === 0) && status !== c.Z_STREAM_END);
+
+  if (status === c.Z_STREAM_END) {
+    _mode = c.Z_FINISH;
+  }
+
+  // Finalize on the last chunk.
+  if (_mode === c.Z_FINISH) {
+    status = zlib_inflate.inflateEnd(this.strm);
+    this.onEnd(status);
+    this.ended = true;
+    return status === c.Z_OK;
+  }
+
+  // callback interim results if Z_SYNC_FLUSH.
+  if (_mode === c.Z_SYNC_FLUSH) {
+    this.onEnd(c.Z_OK);
+    strm.avail_out = 0;
+    return true;
+  }
+
+  return true;
+};
+
+
+/**
+ * Inflate#onData(chunk) -> Void
+ * - chunk (Uint8Array|Array|String): output data. Type of array depends
+ *   on js engine support. When string output requested, each chunk
+ *   will be string.
+ *
+ * By default, stores data blocks in `chunks[]` property and glue
+ * those in `onEnd`. Override this handler, if you need another behaviour.
+ **/
+Inflate.prototype.onData = function (chunk) {
+  this.chunks.push(chunk);
+};
+
+
+/**
+ * Inflate#onEnd(status) -> Void
+ * - status (Number): inflate status. 0 (Z_OK) on success,
+ *   other if not.
+ *
+ * Called either after you tell inflate that the input stream is
+ * complete (Z_FINISH) or should be flushed (Z_SYNC_FLUSH)
+ * or if an error happened. By default - join collected chunks,
+ * free memory and fill `results` / `err` properties.
+ **/
+Inflate.prototype.onEnd = function (status) {
+  // On success - join
+  if (status === c.Z_OK) {
+    if (this.options.to === 'string') {
+      // Glue & convert here, until we teach pako to send
+      // utf8 aligned strings to onData
+      this.result = this.chunks.join('');
+    } else {
+      this.result = utils.flattenChunks(this.chunks);
+    }
+  }
+  this.chunks = [];
+  this.err = status;
+  this.msg = this.strm.msg;
+};
+
+
+/**
+ * inflate(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to decompress.
+ * - options (Object): zlib inflate options.
+ *
+ * Decompress `data` with inflate/ungzip and `options`. Autodetect
+ * format via wrapper header by default. That's why we don't provide
+ * separate `ungzip` method.
+ *
+ * Supported options are:
+ *
+ * - windowBits
+ *
+ * [http://zlib.net/manual.html#Advanced](http://zlib.net/manual.html#Advanced)
+ * for more information.
+ *
+ * Sugar (options):
+ *
+ * - `raw` (Boolean) - say that we work with raw stream, if you don't wish to specify
+ *   negative windowBits implicitly.
+ * - `to` (String) - if equal to 'string', then result will be converted
+ *   from utf8 to utf16 (javascript) string. When string output requested,
+ *   chunk length can differ from `chunkSize`, depending on content.
+ *
+ *
+ * ##### Example:
+ *
+ * ```javascript
+ * var pako = require('pako')
+ *   , input = pako.deflate([1,2,3,4,5,6,7,8,9])
+ *   , output;
+ *
+ * try {
+ *   output = pako.inflate(input);
+ * } catch (err)
+ *   console.log(err);
+ * }
+ * ```
+ **/
+function inflate(input, options) {
+  var inflator = new Inflate(options);
+
+  inflator.push(input, true);
+
+  // That will never happens, if you don't cheat with options :)
+  if (inflator.err) { throw inflator.msg || msg[inflator.err]; }
+
+  return inflator.result;
+}
+
+
+/**
+ * inflateRaw(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to decompress.
+ * - options (Object): zlib inflate options.
+ *
+ * The same as [[inflate]], but creates raw data, without wrapper
+ * (header and adler32 crc).
+ **/
+function inflateRaw(input, options) {
+  options = options || {};
+  options.raw = true;
+  return inflate(input, options);
+}
+
+
+/**
+ * ungzip(data[, options]) -> Uint8Array|Array|String
+ * - data (Uint8Array|Array|String): input data to decompress.
+ * - options (Object): zlib inflate options.
+ *
+ * Just shortcut to [[inflate]], because it autodetects format
+ * by header.content. Done for convenience.
+ **/
+
+
+exports.Inflate = Inflate;
+exports.inflate = inflate;
+exports.inflateRaw = inflateRaw;
+exports.ungzip  = inflate;
diff --git a/node_modules/pako/lib/utils/common.js b/node_modules/pako/lib/utils/common.js
new file mode 100644
index 00000000..58be4beb
--- /dev/null
+++ b/node_modules/pako/lib/utils/common.js
@@ -0,0 +1,105 @@
+'use strict';
+
+
+var TYPED_OK =  (typeof Uint8Array !== 'undefined') &&
+                (typeof Uint16Array !== 'undefined') &&
+                (typeof Int32Array !== 'undefined');
+
+function _has(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
+
+exports.assign = function (obj /*from1, from2, from3, ...*/) {
+  var sources = Array.prototype.slice.call(arguments, 1);
+  while (sources.length) {
+    var source = sources.shift();
+    if (!source) { continue; }
+
+    if (typeof source !== 'object') {
+      throw new TypeError(source + 'must be non-object');
+    }
+
+    for (var p in source) {
+      if (_has(source, p)) {
+        obj[p] = source[p];
+      }
+    }
+  }
+
+  return obj;
+};
+
+
+// reduce buffer size, avoiding mem copy
+exports.shrinkBuf = function (buf, size) {
+  if (buf.length === size) { return buf; }
+  if (buf.subarray) { return buf.subarray(0, size); }
+  buf.length = size;
+  return buf;
+};
+
+
+var fnTyped = {
+  arraySet: function (dest, src, src_offs, len, dest_offs) {
+    if (src.subarray && dest.subarray) {
+      dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
+      return;
+    }
+    // Fallback to ordinary array
+    for (var i = 0; i < len; i++) {
+      dest[dest_offs + i] = src[src_offs + i];
+    }
+  },
+  // Join array of chunks to single array.
+  flattenChunks: function (chunks) {
+    var i, l, len, pos, chunk, result;
+
+    // calculate data length
+    len = 0;
+    for (i = 0, l = chunks.length; i < l; i++) {
+      len += chunks[i].length;
+    }
+
+    // join chunks
+    result = new Uint8Array(len);
+    pos = 0;
+    for (i = 0, l = chunks.length; i < l; i++) {
+      chunk = chunks[i];
+      result.set(chunk, pos);
+      pos += chunk.length;
+    }
+
+    return result;
+  }
+};
+
+var fnUntyped = {
+  arraySet: function (dest, src, src_offs, len, dest_offs) {
+    for (var i = 0; i < len; i++) {
+      dest[dest_offs + i] = src[src_offs + i];
+    }
+  },
+  // Join array of chunks to single array.
+  flattenChunks: function (chunks) {
+    return [].concat.apply([], chunks);
+  }
+};
+
+
+// Enable/Disable typed arrays use, for testing
+//
+exports.setTyped = function (on) {
+  if (on) {
+    exports.Buf8  = Uint8Array;
+    exports.Buf16 = Uint16Array;
+    exports.Buf32 = Int32Array;
+    exports.assign(exports, fnTyped);
+  } else {
+    exports.Buf8  = Array;
+    exports.Buf16 = Array;
+    exports.Buf32 = Array;
+    exports.assign(exports, fnUntyped);
+  }
+};
+
+exports.setTyped(TYPED_OK);
diff --git a/node_modules/pako/lib/utils/strings.js b/node_modules/pako/lib/utils/strings.js
new file mode 100644
index 00000000..b07a732d
--- /dev/null
+++ b/node_modules/pako/lib/utils/strings.js
@@ -0,0 +1,187 @@
+// String encode/decode helpers
+'use strict';
+
+
+var utils = require('./common');
+
+
+// Quick check if we can use fast array to bin string conversion
+//
+// - apply(Array) can fail on Android 2.2
+// - apply(Uint8Array) can fail on iOS 5.1 Safari
+//
+var STR_APPLY_OK = true;
+var STR_APPLY_UIA_OK = true;
+
+try { String.fromCharCode.apply(null, [ 0 ]); } catch (__) { STR_APPLY_OK = false; }
+try { String.fromCharCode.apply(null, new Uint8Array(1)); } catch (__) { STR_APPLY_UIA_OK = false; }
+
+
+// Table with utf8 lengths (calculated by first byte of sequence)
+// Note, that 5 & 6-byte values and some 4-byte values can not be represented in JS,
+// because max possible codepoint is 0x10ffff
+var _utf8len = new utils.Buf8(256);
+for (var q = 0; q < 256; q++) {
+  _utf8len[q] = (q >= 252 ? 6 : q >= 248 ? 5 : q >= 240 ? 4 : q >= 224 ? 3 : q >= 192 ? 2 : 1);
+}
+_utf8len[254] = _utf8len[254] = 1; // Invalid sequence start
+
+
+// convert string to array (typed, when possible)
+exports.string2buf = function (str) {
+  var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
+
+  // count binary size
+  for (m_pos = 0; m_pos < str_len; m_pos++) {
+    c = str.charCodeAt(m_pos);
+    if ((c & 0xfc00) === 0xd800 && (m_pos + 1 < str_len)) {
+      c2 = str.charCodeAt(m_pos + 1);
+      if ((c2 & 0xfc00) === 0xdc00) {
+        c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
+        m_pos++;
+      }
+    }
+    buf_len += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
+  }
+
+  // allocate buffer
+  buf = new utils.Buf8(buf_len);
+
+  // convert
+  for (i = 0, m_pos = 0; i < buf_len; m_pos++) {
+    c = str.charCodeAt(m_pos);
+    if ((c & 0xfc00) === 0xd800 && (m_pos + 1 < str_len)) {
+      c2 = str.charCodeAt(m_pos + 1);
+      if ((c2 & 0xfc00) === 0xdc00) {
+        c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
+        m_pos++;
+      }
+    }
+    if (c < 0x80) {
+      /* one byte */
+      buf[i++] = c;
+    } else if (c < 0x800) {
+      /* two bytes */
+      buf[i++] = 0xC0 | (c >>> 6);
+      buf[i++] = 0x80 | (c & 0x3f);
+    } else if (c < 0x10000) {
+      /* three bytes */
+      buf[i++] = 0xE0 | (c >>> 12);
+      buf[i++] = 0x80 | (c >>> 6 & 0x3f);
+      buf[i++] = 0x80 | (c & 0x3f);
+    } else {
+      /* four bytes */
+      buf[i++] = 0xf0 | (c >>> 18);
+      buf[i++] = 0x80 | (c >>> 12 & 0x3f);
+      buf[i++] = 0x80 | (c >>> 6 & 0x3f);
+      buf[i++] = 0x80 | (c & 0x3f);
+    }
+  }
+
+  return buf;
+};
+
+// Helper (used in 2 places)
+function buf2binstring(buf, len) {
+  // On Chrome, the arguments in a function call that are allowed is `65534`.
+  // If the length of the buffer is smaller than that, we can use this optimization,
+  // otherwise we will take a slower path.
+  if (len < 65534) {
+    if ((buf.subarray && STR_APPLY_UIA_OK) || (!buf.subarray && STR_APPLY_OK)) {
+      return String.fromCharCode.apply(null, utils.shrinkBuf(buf, len));
+    }
+  }
+
+  var result = '';
+  for (var i = 0; i < len; i++) {
+    result += String.fromCharCode(buf[i]);
+  }
+  return result;
+}
+
+
+// Convert byte array to binary string
+exports.buf2binstring = function (buf) {
+  return buf2binstring(buf, buf.length);
+};
+
+
+// Convert binary string (typed, when possible)
+exports.binstring2buf = function (str) {
+  var buf = new utils.Buf8(str.length);
+  for (var i = 0, len = buf.length; i < len; i++) {
+    buf[i] = str.charCodeAt(i);
+  }
+  return buf;
+};
+
+
+// convert array to string
+exports.buf2string = function (buf, max) {
+  var i, out, c, c_len;
+  var len = max || buf.length;
+
+  // Reserve max possible length (2 words per char)
+  // NB: by unknown reasons, Array is significantly faster for
+  //     String.fromCharCode.apply than Uint16Array.
+  var utf16buf = new Array(len * 2);
+
+  for (out = 0, i = 0; i < len;) {
+    c = buf[i++];
+    // quick process ascii
+    if (c < 0x80) { utf16buf[out++] = c; continue; }
+
+    c_len = _utf8len[c];
+    // skip 5 & 6 byte codes
+    if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len - 1; continue; }
+
+    // apply mask on first byte
+    c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
+    // join the rest
+    while (c_len > 1 && i < len) {
+      c = (c << 6) | (buf[i++] & 0x3f);
+      c_len--;
+    }
+
+    // terminated by end of string?
+    if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
+
+    if (c < 0x10000) {
+      utf16buf[out++] = c;
+    } else {
+      c -= 0x10000;
+      utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
+      utf16buf[out++] = 0xdc00 | (c & 0x3ff);
+    }
+  }
+
+  return buf2binstring(utf16buf, out);
+};
+
+
+// Calculate max possible position in utf8 buffer,
+// that will not break sequence. If that's not possible
+// - (very small limits) return max size as is.
+//
+// buf[] - utf8 bytes array
+// max   - length limit (mandatory);
+exports.utf8border = function (buf, max) {
+  var pos;
+
+  max = max || buf.length;
+  if (max > buf.length) { max = buf.length; }
+
+  // go back from last position, until start of sequence found
+  pos = max - 1;
+  while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
+
+  // Very small and broken sequence,
+  // return max, because we should return something anyway.
+  if (pos < 0) { return max; }
+
+  // If we came to start of buffer - that means buffer is too small,
+  // return max too.
+  if (pos === 0) { return max; }
+
+  return (pos + _utf8len[buf[pos]] > max) ? pos : max;
+};
diff --git a/node_modules/pako/lib/zlib/README b/node_modules/pako/lib/zlib/README
new file mode 100644
index 00000000..88a87524
--- /dev/null
+++ b/node_modules/pako/lib/zlib/README
@@ -0,0 +1,59 @@
+Content of this folder follows zlib C sources as close as possible.
+That's intended to simplify maintainability and guarantee equal API
+and result.
+
+Key differences:
+
+- Everything is in JavaScript.
+- No platform-dependent blocks.
+- Some things like crc32 rewritten to keep size small and make JIT
+  work better.
+- Some code is different due missed features in JS (macros, pointers,
+  structures, header files)
+- Specific API methods are not implemented (see notes in root readme)
+
+This port is based on zlib 1.2.8.
+
+This port is under zlib license (see below) with contribution and addition of javascript
+port under expat license (see LICENSE at root of project)
+
+Copyright:
+(C) 1995-2013 Jean-loup Gailly and Mark Adler
+(C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+
+
+From zlib's README
+=============================================================================
+
+Acknowledgments:
+
+  The deflate format used by zlib was defined by Phil Katz.  The deflate and
+  zlib specifications were written by L.  Peter Deutsch.  Thanks to all the
+  people who reported problems and suggested various improvements in zlib; they
+  are too numerous to cite here.
+
+Copyright notice:
+
+ (C) 1995-2013 Jean-loup Gailly and Mark Adler
+
+Copyright (c) <''year''> <''copyright holders''>
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
+
+  Jean-loup Gailly        Mark Adler
+  jloup@gzip.org          madler@alumni.caltech.edu
diff --git a/node_modules/pako/lib/zlib/adler32.js b/node_modules/pako/lib/zlib/adler32.js
new file mode 100644
index 00000000..d440a981
--- /dev/null
+++ b/node_modules/pako/lib/zlib/adler32.js
@@ -0,0 +1,51 @@
+'use strict';
+
+// Note: adler32 takes 12% for level 0 and 2% for level 6.
+// It isn't worth it to make additional optimizations as in original.
+// Small size is preferable.
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+function adler32(adler, buf, len, pos) {
+  var s1 = (adler & 0xffff) |0,
+      s2 = ((adler >>> 16) & 0xffff) |0,
+      n = 0;
+
+  while (len !== 0) {
+    // Set limit ~ twice less than 5552, to keep
+    // s2 in 31-bits, because we force signed ints.
+    // in other case %= will fail.
+    n = len > 2000 ? 2000 : len;
+    len -= n;
+
+    do {
+      s1 = (s1 + buf[pos++]) |0;
+      s2 = (s2 + s1) |0;
+    } while (--n);
+
+    s1 %= 65521;
+    s2 %= 65521;
+  }
+
+  return (s1 | (s2 << 16)) |0;
+}
+
+
+module.exports = adler32;
diff --git a/node_modules/pako/lib/zlib/constants.js b/node_modules/pako/lib/zlib/constants.js
new file mode 100644
index 00000000..569b8724
--- /dev/null
+++ b/node_modules/pako/lib/zlib/constants.js
@@ -0,0 +1,68 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+module.exports = {
+
+  /* Allowed flush values; see deflate() and inflate() below for details */
+  Z_NO_FLUSH:         0,
+  Z_PARTIAL_FLUSH:    1,
+  Z_SYNC_FLUSH:       2,
+  Z_FULL_FLUSH:       3,
+  Z_FINISH:           4,
+  Z_BLOCK:            5,
+  Z_TREES:            6,
+
+  /* Return codes for the compression/decompression functions. Negative values
+  * are errors, positive values are used for special but normal events.
+  */
+  Z_OK:               0,
+  Z_STREAM_END:       1,
+  Z_NEED_DICT:        2,
+  Z_ERRNO:           -1,
+  Z_STREAM_ERROR:    -2,
+  Z_DATA_ERROR:      -3,
+  //Z_MEM_ERROR:     -4,
+  Z_BUF_ERROR:       -5,
+  //Z_VERSION_ERROR: -6,
+
+  /* compression levels */
+  Z_NO_COMPRESSION:         0,
+  Z_BEST_SPEED:             1,
+  Z_BEST_COMPRESSION:       9,
+  Z_DEFAULT_COMPRESSION:   -1,
+
+
+  Z_FILTERED:               1,
+  Z_HUFFMAN_ONLY:           2,
+  Z_RLE:                    3,
+  Z_FIXED:                  4,
+  Z_DEFAULT_STRATEGY:       0,
+
+  /* Possible values of the data_type field (though see inflate()) */
+  Z_BINARY:                 0,
+  Z_TEXT:                   1,
+  //Z_ASCII:                1, // = Z_TEXT (deprecated)
+  Z_UNKNOWN:                2,
+
+  /* The deflate compression method */
+  Z_DEFLATED:               8
+  //Z_NULL:                 null // Use -1 or null inline, depending on var type
+};
diff --git a/node_modules/pako/lib/zlib/crc32.js b/node_modules/pako/lib/zlib/crc32.js
new file mode 100644
index 00000000..6a960924
--- /dev/null
+++ b/node_modules/pako/lib/zlib/crc32.js
@@ -0,0 +1,59 @@
+'use strict';
+
+// Note: we can't get significant speed boost here.
+// So write code to minimize size - no pregenerated tables
+// and array tools dependencies.
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+// Use ordinary array, since untyped makes no boost here
+function makeTable() {
+  var c, table = [];
+
+  for (var n = 0; n < 256; n++) {
+    c = n;
+    for (var k = 0; k < 8; k++) {
+      c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
+    }
+    table[n] = c;
+  }
+
+  return table;
+}
+
+// Create table on load. Just 255 signed longs. Not a problem.
+var crcTable = makeTable();
+
+
+function crc32(crc, buf, len, pos) {
+  var t = crcTable,
+      end = pos + len;
+
+  crc ^= -1;
+
+  for (var i = pos; i < end; i++) {
+    crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
+  }
+
+  return (crc ^ (-1)); // >>> 0;
+}
+
+
+module.exports = crc32;
diff --git a/node_modules/pako/lib/zlib/deflate.js b/node_modules/pako/lib/zlib/deflate.js
new file mode 100644
index 00000000..31456989
--- /dev/null
+++ b/node_modules/pako/lib/zlib/deflate.js
@@ -0,0 +1,1874 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils   = require('../utils/common');
+var trees   = require('./trees');
+var adler32 = require('./adler32');
+var crc32   = require('./crc32');
+var msg     = require('./messages');
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+/* Allowed flush values; see deflate() and inflate() below for details */
+var Z_NO_FLUSH      = 0;
+var Z_PARTIAL_FLUSH = 1;
+//var Z_SYNC_FLUSH    = 2;
+var Z_FULL_FLUSH    = 3;
+var Z_FINISH        = 4;
+var Z_BLOCK         = 5;
+//var Z_TREES         = 6;
+
+
+/* Return codes for the compression/decompression functions. Negative values
+ * are errors, positive values are used for special but normal events.
+ */
+var Z_OK            = 0;
+var Z_STREAM_END    = 1;
+//var Z_NEED_DICT     = 2;
+//var Z_ERRNO         = -1;
+var Z_STREAM_ERROR  = -2;
+var Z_DATA_ERROR    = -3;
+//var Z_MEM_ERROR     = -4;
+var Z_BUF_ERROR     = -5;
+//var Z_VERSION_ERROR = -6;
+
+
+/* compression levels */
+//var Z_NO_COMPRESSION      = 0;
+//var Z_BEST_SPEED          = 1;
+//var Z_BEST_COMPRESSION    = 9;
+var Z_DEFAULT_COMPRESSION = -1;
+
+
+var Z_FILTERED            = 1;
+var Z_HUFFMAN_ONLY        = 2;
+var Z_RLE                 = 3;
+var Z_FIXED               = 4;
+var Z_DEFAULT_STRATEGY    = 0;
+
+/* Possible values of the data_type field (though see inflate()) */
+//var Z_BINARY              = 0;
+//var Z_TEXT                = 1;
+//var Z_ASCII               = 1; // = Z_TEXT
+var Z_UNKNOWN             = 2;
+
+
+/* The deflate compression method */
+var Z_DEFLATED  = 8;
+
+/*============================================================================*/
+
+
+var MAX_MEM_LEVEL = 9;
+/* Maximum value for memLevel in deflateInit2 */
+var MAX_WBITS = 15;
+/* 32K LZ77 window */
+var DEF_MEM_LEVEL = 8;
+
+
+var LENGTH_CODES  = 29;
+/* number of length codes, not counting the special END_BLOCK code */
+var LITERALS      = 256;
+/* number of literal bytes 0..255 */
+var L_CODES       = LITERALS + 1 + LENGTH_CODES;
+/* number of Literal or Length codes, including the END_BLOCK code */
+var D_CODES       = 30;
+/* number of distance codes */
+var BL_CODES      = 19;
+/* number of codes used to transfer the bit lengths */
+var HEAP_SIZE     = 2 * L_CODES + 1;
+/* maximum heap size */
+var MAX_BITS  = 15;
+/* All codes must not exceed MAX_BITS bits */
+
+var MIN_MATCH = 3;
+var MAX_MATCH = 258;
+var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1);
+
+var PRESET_DICT = 0x20;
+
+var INIT_STATE = 42;
+var EXTRA_STATE = 69;
+var NAME_STATE = 73;
+var COMMENT_STATE = 91;
+var HCRC_STATE = 103;
+var BUSY_STATE = 113;
+var FINISH_STATE = 666;
+
+var BS_NEED_MORE      = 1; /* block not completed, need more input or more output */
+var BS_BLOCK_DONE     = 2; /* block flush performed */
+var BS_FINISH_STARTED = 3; /* finish started, need only more output at next deflate */
+var BS_FINISH_DONE    = 4; /* finish done, accept no more input or output */
+
+var OS_CODE = 0x03; // Unix :) . Don't detect, use this default.
+
+function err(strm, errorCode) {
+  strm.msg = msg[errorCode];
+  return errorCode;
+}
+
+function rank(f) {
+  return ((f) << 1) - ((f) > 4 ? 9 : 0);
+}
+
+function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
+
+
+/* =========================================================================
+ * Flush as much pending output as possible. All deflate() output goes
+ * through this function so some applications may wish to modify it
+ * to avoid allocating a large strm->output buffer and copying into it.
+ * (See also read_buf()).
+ */
+function flush_pending(strm) {
+  var s = strm.state;
+
+  //_tr_flush_bits(s);
+  var len = s.pending;
+  if (len > strm.avail_out) {
+    len = strm.avail_out;
+  }
+  if (len === 0) { return; }
+
+  utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
+  strm.next_out += len;
+  s.pending_out += len;
+  strm.total_out += len;
+  strm.avail_out -= len;
+  s.pending -= len;
+  if (s.pending === 0) {
+    s.pending_out = 0;
+  }
+}
+
+
+function flush_block_only(s, last) {
+  trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
+  s.block_start = s.strstart;
+  flush_pending(s.strm);
+}
+
+
+function put_byte(s, b) {
+  s.pending_buf[s.pending++] = b;
+}
+
+
+/* =========================================================================
+ * Put a short in the pending buffer. The 16-bit value is put in MSB order.
+ * IN assertion: the stream state is correct and there is enough room in
+ * pending_buf.
+ */
+function putShortMSB(s, b) {
+//  put_byte(s, (Byte)(b >> 8));
+//  put_byte(s, (Byte)(b & 0xff));
+  s.pending_buf[s.pending++] = (b >>> 8) & 0xff;
+  s.pending_buf[s.pending++] = b & 0xff;
+}
+
+
+/* ===========================================================================
+ * Read a new buffer from the current input stream, update the adler32
+ * and total number of bytes read.  All deflate() input goes through
+ * this function so some applications may wish to modify it to avoid
+ * allocating a large strm->input buffer and copying from it.
+ * (See also flush_pending()).
+ */
+function read_buf(strm, buf, start, size) {
+  var len = strm.avail_in;
+
+  if (len > size) { len = size; }
+  if (len === 0) { return 0; }
+
+  strm.avail_in -= len;
+
+  // zmemcpy(buf, strm->next_in, len);
+  utils.arraySet(buf, strm.input, strm.next_in, len, start);
+  if (strm.state.wrap === 1) {
+    strm.adler = adler32(strm.adler, buf, len, start);
+  }
+
+  else if (strm.state.wrap === 2) {
+    strm.adler = crc32(strm.adler, buf, len, start);
+  }
+
+  strm.next_in += len;
+  strm.total_in += len;
+
+  return len;
+}
+
+
+/* ===========================================================================
+ * Set match_start to the longest match starting at the given string and
+ * return its length. Matches shorter or equal to prev_length are discarded,
+ * in which case the result is equal to prev_length and match_start is
+ * garbage.
+ * IN assertions: cur_match is the head of the hash chain for the current
+ *   string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1
+ * OUT assertion: the match length is not greater than s->lookahead.
+ */
+function longest_match(s, cur_match) {
+  var chain_length = s.max_chain_length;      /* max hash chain length */
+  var scan = s.strstart; /* current string */
+  var match;                       /* matched string */
+  var len;                           /* length of current match */
+  var best_len = s.prev_length;              /* best match length so far */
+  var nice_match = s.nice_match;             /* stop if match long enough */
+  var limit = (s.strstart > (s.w_size - MIN_LOOKAHEAD)) ?
+      s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0/*NIL*/;
+
+  var _win = s.window; // shortcut
+
+  var wmask = s.w_mask;
+  var prev  = s.prev;
+
+  /* Stop when cur_match becomes <= limit. To simplify the code,
+   * we prevent matches with the string of window index 0.
+   */
+
+  var strend = s.strstart + MAX_MATCH;
+  var scan_end1  = _win[scan + best_len - 1];
+  var scan_end   = _win[scan + best_len];
+
+  /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
+   * It is easy to get rid of this optimization if necessary.
+   */
+  // Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
+
+  /* Do not waste too much time if we already have a good match: */
+  if (s.prev_length >= s.good_match) {
+    chain_length >>= 2;
+  }
+  /* Do not look for matches beyond the end of the input. This is necessary
+   * to make deflate deterministic.
+   */
+  if (nice_match > s.lookahead) { nice_match = s.lookahead; }
+
+  // Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
+
+  do {
+    // Assert(cur_match < s->strstart, "no future");
+    match = cur_match;
+
+    /* Skip to next match if the match length cannot increase
+     * or if the match length is less than 2.  Note that the checks below
+     * for insufficient lookahead only occur occasionally for performance
+     * reasons.  Therefore uninitialized memory will be accessed, and
+     * conditional jumps will be made that depend on those values.
+     * However the length of the match is limited to the lookahead, so
+     * the output of deflate is not affected by the uninitialized values.
+     */
+
+    if (_win[match + best_len]     !== scan_end  ||
+        _win[match + best_len - 1] !== scan_end1 ||
+        _win[match]                !== _win[scan] ||
+        _win[++match]              !== _win[scan + 1]) {
+      continue;
+    }
+
+    /* The check at best_len-1 can be removed because it will be made
+     * again later. (This heuristic is not always a win.)
+     * It is not necessary to compare scan[2] and match[2] since they
+     * are always equal when the other bytes match, given that
+     * the hash keys are equal and that HASH_BITS >= 8.
+     */
+    scan += 2;
+    match++;
+    // Assert(*scan == *match, "match[2]?");
+
+    /* We check for insufficient lookahead only every 8th comparison;
+     * the 256th check will be made at strstart+258.
+     */
+    do {
+      /*jshint noempty:false*/
+    } while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+             scan < strend);
+
+    // Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
+
+    len = MAX_MATCH - (strend - scan);
+    scan = strend - MAX_MATCH;
+
+    if (len > best_len) {
+      s.match_start = cur_match;
+      best_len = len;
+      if (len >= nice_match) {
+        break;
+      }
+      scan_end1  = _win[scan + best_len - 1];
+      scan_end   = _win[scan + best_len];
+    }
+  } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);
+
+  if (best_len <= s.lookahead) {
+    return best_len;
+  }
+  return s.lookahead;
+}
+
+
+/* ===========================================================================
+ * Fill the window when the lookahead becomes insufficient.
+ * Updates strstart and lookahead.
+ *
+ * IN assertion: lookahead < MIN_LOOKAHEAD
+ * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD
+ *    At least one byte has been read, or avail_in == 0; reads are
+ *    performed for at least two bytes (required for the zip translate_eol
+ *    option -- not supported here).
+ */
+function fill_window(s) {
+  var _w_size = s.w_size;
+  var p, n, m, more, str;
+
+  //Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");
+
+  do {
+    more = s.window_size - s.lookahead - s.strstart;
+
+    // JS ints have 32 bit, block below not needed
+    /* Deal with !@#$% 64K limit: */
+    //if (sizeof(int) <= 2) {
+    //    if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
+    //        more = wsize;
+    //
+    //  } else if (more == (unsigned)(-1)) {
+    //        /* Very unlikely, but possible on 16 bit machine if
+    //         * strstart == 0 && lookahead == 1 (input done a byte at time)
+    //         */
+    //        more--;
+    //    }
+    //}
+
+
+    /* If the window is almost full and there is insufficient lookahead,
+     * move the upper half to the lower one to make room in the upper half.
+     */
+    if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {
+
+      utils.arraySet(s.window, s.window, _w_size, _w_size, 0);
+      s.match_start -= _w_size;
+      s.strstart -= _w_size;
+      /* we now have strstart >= MAX_DIST */
+      s.block_start -= _w_size;
+
+      /* Slide the hash table (could be avoided with 32 bit values
+       at the expense of memory usage). We slide even when level == 0
+       to keep the hash table consistent if we switch back to level > 0
+       later. (Using level 0 permanently is not an optimal usage of
+       zlib, so we don't care about this pathological case.)
+       */
+
+      n = s.hash_size;
+      p = n;
+      do {
+        m = s.head[--p];
+        s.head[p] = (m >= _w_size ? m - _w_size : 0);
+      } while (--n);
+
+      n = _w_size;
+      p = n;
+      do {
+        m = s.prev[--p];
+        s.prev[p] = (m >= _w_size ? m - _w_size : 0);
+        /* If n is not on any hash chain, prev[n] is garbage but
+         * its value will never be used.
+         */
+      } while (--n);
+
+      more += _w_size;
+    }
+    if (s.strm.avail_in === 0) {
+      break;
+    }
+
+    /* If there was no sliding:
+     *    strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 &&
+     *    more == window_size - lookahead - strstart
+     * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1)
+     * => more >= window_size - 2*WSIZE + 2
+     * In the BIG_MEM or MMAP case (not yet supported),
+     *   window_size == input_size + MIN_LOOKAHEAD  &&
+     *   strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD.
+     * Otherwise, window_size == 2*WSIZE so more >= 2.
+     * If there was sliding, more >= WSIZE. So in all cases, more >= 2.
+     */
+    //Assert(more >= 2, "more < 2");
+    n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
+    s.lookahead += n;
+
+    /* Initialize the hash value now that we have some input: */
+    if (s.lookahead + s.insert >= MIN_MATCH) {
+      str = s.strstart - s.insert;
+      s.ins_h = s.window[str];
+
+      /* UPDATE_HASH(s, s->ins_h, s->window[str + 1]); */
+      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask;
+//#if MIN_MATCH != 3
+//        Call update_hash() MIN_MATCH-3 more times
+//#endif
+      while (s.insert) {
+        /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
+        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
+
+        s.prev[str & s.w_mask] = s.head[s.ins_h];
+        s.head[s.ins_h] = str;
+        str++;
+        s.insert--;
+        if (s.lookahead + s.insert < MIN_MATCH) {
+          break;
+        }
+      }
+    }
+    /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage,
+     * but this is not important since only literal bytes will be emitted.
+     */
+
+  } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0);
+
+  /* If the WIN_INIT bytes after the end of the current data have never been
+   * written, then zero those bytes in order to avoid memory check reports of
+   * the use of uninitialized (or uninitialised as Julian writes) bytes by
+   * the longest match routines.  Update the high water mark for the next
+   * time through here.  WIN_INIT is set to MAX_MATCH since the longest match
+   * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead.
+   */
+//  if (s.high_water < s.window_size) {
+//    var curr = s.strstart + s.lookahead;
+//    var init = 0;
+//
+//    if (s.high_water < curr) {
+//      /* Previous high water mark below current data -- zero WIN_INIT
+//       * bytes or up to end of window, whichever is less.
+//       */
+//      init = s.window_size - curr;
+//      if (init > WIN_INIT)
+//        init = WIN_INIT;
+//      zmemzero(s->window + curr, (unsigned)init);
+//      s->high_water = curr + init;
+//    }
+//    else if (s->high_water < (ulg)curr + WIN_INIT) {
+//      /* High water mark at or above current data, but below current data
+//       * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up
+//       * to end of window, whichever is less.
+//       */
+//      init = (ulg)curr + WIN_INIT - s->high_water;
+//      if (init > s->window_size - s->high_water)
+//        init = s->window_size - s->high_water;
+//      zmemzero(s->window + s->high_water, (unsigned)init);
+//      s->high_water += init;
+//    }
+//  }
+//
+//  Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD,
+//    "not enough room for search");
+}
+
+/* ===========================================================================
+ * Copy without compression as much as possible from the input stream, return
+ * the current block state.
+ * This function does not insert new strings in the dictionary since
+ * uncompressible data is probably not useful. This function is used
+ * only for the level=0 compression option.
+ * NOTE: this function should be optimized to avoid extra copying from
+ * window to pending_buf.
+ */
+function deflate_stored(s, flush) {
+  /* Stored blocks are limited to 0xffff bytes, pending_buf is limited
+   * to pending_buf_size, and each stored block has a 5 byte header:
+   */
+  var max_block_size = 0xffff;
+
+  if (max_block_size > s.pending_buf_size - 5) {
+    max_block_size = s.pending_buf_size - 5;
+  }
+
+  /* Copy as much as possible from input to output: */
+  for (;;) {
+    /* Fill the window as much as possible: */
+    if (s.lookahead <= 1) {
+
+      //Assert(s->strstart < s->w_size+MAX_DIST(s) ||
+      //  s->block_start >= (long)s->w_size, "slide too late");
+//      if (!(s.strstart < s.w_size + (s.w_size - MIN_LOOKAHEAD) ||
+//        s.block_start >= s.w_size)) {
+//        throw  new Error("slide too late");
+//      }
+
+      fill_window(s);
+      if (s.lookahead === 0 && flush === Z_NO_FLUSH) {
+        return BS_NEED_MORE;
+      }
+
+      if (s.lookahead === 0) {
+        break;
+      }
+      /* flush the current block */
+    }
+    //Assert(s->block_start >= 0L, "block gone");
+//    if (s.block_start < 0) throw new Error("block gone");
+
+    s.strstart += s.lookahead;
+    s.lookahead = 0;
+
+    /* Emit a stored block if pending_buf will be full: */
+    var max_start = s.block_start + max_block_size;
+
+    if (s.strstart === 0 || s.strstart >= max_start) {
+      /* strstart == 0 is possible when wraparound on 16-bit machine */
+      s.lookahead = s.strstart - max_start;
+      s.strstart = max_start;
+      /*** FLUSH_BLOCK(s, 0); ***/
+      flush_block_only(s, false);
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+      /***/
+
+
+    }
+    /* Flush if we may have to slide, otherwise block_start may become
+     * negative and the data will be gone:
+     */
+    if (s.strstart - s.block_start >= (s.w_size - MIN_LOOKAHEAD)) {
+      /*** FLUSH_BLOCK(s, 0); ***/
+      flush_block_only(s, false);
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+      /***/
+    }
+  }
+
+  s.insert = 0;
+
+  if (flush === Z_FINISH) {
+    /*** FLUSH_BLOCK(s, 1); ***/
+    flush_block_only(s, true);
+    if (s.strm.avail_out === 0) {
+      return BS_FINISH_STARTED;
+    }
+    /***/
+    return BS_FINISH_DONE;
+  }
+
+  if (s.strstart > s.block_start) {
+    /*** FLUSH_BLOCK(s, 0); ***/
+    flush_block_only(s, false);
+    if (s.strm.avail_out === 0) {
+      return BS_NEED_MORE;
+    }
+    /***/
+  }
+
+  return BS_NEED_MORE;
+}
+
+/* ===========================================================================
+ * Compress as much as possible from the input stream, return the current
+ * block state.
+ * This function does not perform lazy evaluation of matches and inserts
+ * new strings in the dictionary only for unmatched strings or for short
+ * matches. It is used only for the fast compression options.
+ */
+function deflate_fast(s, flush) {
+  var hash_head;        /* head of the hash chain */
+  var bflush;           /* set if current block must be flushed */
+
+  for (;;) {
+    /* Make sure that we always have enough lookahead, except
+     * at the end of the input file. We need MAX_MATCH bytes
+     * for the next match, plus MIN_MATCH bytes to insert the
+     * string following the next match.
+     */
+    if (s.lookahead < MIN_LOOKAHEAD) {
+      fill_window(s);
+      if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
+        return BS_NEED_MORE;
+      }
+      if (s.lookahead === 0) {
+        break; /* flush the current block */
+      }
+    }
+
+    /* Insert the string window[strstart .. strstart+2] in the
+     * dictionary, and set hash_head to the head of the hash chain:
+     */
+    hash_head = 0/*NIL*/;
+    if (s.lookahead >= MIN_MATCH) {
+      /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+      hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+      s.head[s.ins_h] = s.strstart;
+      /***/
+    }
+
+    /* Find the longest match, discarding those <= prev_length.
+     * At this point we have always match_length < MIN_MATCH
+     */
+    if (hash_head !== 0/*NIL*/ && ((s.strstart - hash_head) <= (s.w_size - MIN_LOOKAHEAD))) {
+      /* To simplify the code, we prevent matches with the string
+       * of window index 0 (in particular we have to avoid a match
+       * of the string with itself at the start of the input file).
+       */
+      s.match_length = longest_match(s, hash_head);
+      /* longest_match() sets match_start */
+    }
+    if (s.match_length >= MIN_MATCH) {
+      // check_match(s, s.strstart, s.match_start, s.match_length); // for debug only
+
+      /*** _tr_tally_dist(s, s.strstart - s.match_start,
+                     s.match_length - MIN_MATCH, bflush); ***/
+      bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH);
+
+      s.lookahead -= s.match_length;
+
+      /* Insert new strings in the hash table only if the match length
+       * is not too large. This saves time but degrades compression.
+       */
+      if (s.match_length <= s.max_lazy_match/*max_insert_length*/ && s.lookahead >= MIN_MATCH) {
+        s.match_length--; /* string at strstart already in table */
+        do {
+          s.strstart++;
+          /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+          s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+          hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+          s.head[s.ins_h] = s.strstart;
+          /***/
+          /* strstart never exceeds WSIZE-MAX_MATCH, so there are
+           * always MIN_MATCH bytes ahead.
+           */
+        } while (--s.match_length !== 0);
+        s.strstart++;
+      } else
+      {
+        s.strstart += s.match_length;
+        s.match_length = 0;
+        s.ins_h = s.window[s.strstart];
+        /* UPDATE_HASH(s, s.ins_h, s.window[s.strstart+1]); */
+        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask;
+
+//#if MIN_MATCH != 3
+//                Call UPDATE_HASH() MIN_MATCH-3 more times
+//#endif
+        /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not
+         * matter since it will be recomputed at next deflate call.
+         */
+      }
+    } else {
+      /* No match, output a literal byte */
+      //Tracevv((stderr,"%c", s.window[s.strstart]));
+      /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+      bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+
+      s.lookahead--;
+      s.strstart++;
+    }
+    if (bflush) {
+      /*** FLUSH_BLOCK(s, 0); ***/
+      flush_block_only(s, false);
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+      /***/
+    }
+  }
+  s.insert = ((s.strstart < (MIN_MATCH - 1)) ? s.strstart : MIN_MATCH - 1);
+  if (flush === Z_FINISH) {
+    /*** FLUSH_BLOCK(s, 1); ***/
+    flush_block_only(s, true);
+    if (s.strm.avail_out === 0) {
+      return BS_FINISH_STARTED;
+    }
+    /***/
+    return BS_FINISH_DONE;
+  }
+  if (s.last_lit) {
+    /*** FLUSH_BLOCK(s, 0); ***/
+    flush_block_only(s, false);
+    if (s.strm.avail_out === 0) {
+      return BS_NEED_MORE;
+    }
+    /***/
+  }
+  return BS_BLOCK_DONE;
+}
+
+/* ===========================================================================
+ * Same as above, but achieves better compression. We use a lazy
+ * evaluation for matches: a match is finally adopted only if there is
+ * no better match at the next window position.
+ */
+function deflate_slow(s, flush) {
+  var hash_head;          /* head of hash chain */
+  var bflush;              /* set if current block must be flushed */
+
+  var max_insert;
+
+  /* Process the input block. */
+  for (;;) {
+    /* Make sure that we always have enough lookahead, except
+     * at the end of the input file. We need MAX_MATCH bytes
+     * for the next match, plus MIN_MATCH bytes to insert the
+     * string following the next match.
+     */
+    if (s.lookahead < MIN_LOOKAHEAD) {
+      fill_window(s);
+      if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
+        return BS_NEED_MORE;
+      }
+      if (s.lookahead === 0) { break; } /* flush the current block */
+    }
+
+    /* Insert the string window[strstart .. strstart+2] in the
+     * dictionary, and set hash_head to the head of the hash chain:
+     */
+    hash_head = 0/*NIL*/;
+    if (s.lookahead >= MIN_MATCH) {
+      /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+      hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+      s.head[s.ins_h] = s.strstart;
+      /***/
+    }
+
+    /* Find the longest match, discarding those <= prev_length.
+     */
+    s.prev_length = s.match_length;
+    s.prev_match = s.match_start;
+    s.match_length = MIN_MATCH - 1;
+
+    if (hash_head !== 0/*NIL*/ && s.prev_length < s.max_lazy_match &&
+        s.strstart - hash_head <= (s.w_size - MIN_LOOKAHEAD)/*MAX_DIST(s)*/) {
+      /* To simplify the code, we prevent matches with the string
+       * of window index 0 (in particular we have to avoid a match
+       * of the string with itself at the start of the input file).
+       */
+      s.match_length = longest_match(s, hash_head);
+      /* longest_match() sets match_start */
+
+      if (s.match_length <= 5 &&
+         (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096/*TOO_FAR*/))) {
+
+        /* If prev_match is also MIN_MATCH, match_start is garbage
+         * but we will ignore the current match anyway.
+         */
+        s.match_length = MIN_MATCH - 1;
+      }
+    }
+    /* If there was a match at the previous step and the current
+     * match is not better, output the previous match:
+     */
+    if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) {
+      max_insert = s.strstart + s.lookahead - MIN_MATCH;
+      /* Do not insert strings in hash table beyond this. */
+
+      //check_match(s, s.strstart-1, s.prev_match, s.prev_length);
+
+      /***_tr_tally_dist(s, s.strstart - 1 - s.prev_match,
+                     s.prev_length - MIN_MATCH, bflush);***/
+      bflush = trees._tr_tally(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH);
+      /* Insert in hash table all strings up to the end of the match.
+       * strstart-1 and strstart are already inserted. If there is not
+       * enough lookahead, the last two strings are not inserted in
+       * the hash table.
+       */
+      s.lookahead -= s.prev_length - 1;
+      s.prev_length -= 2;
+      do {
+        if (++s.strstart <= max_insert) {
+          /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+          s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+          hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+          s.head[s.ins_h] = s.strstart;
+          /***/
+        }
+      } while (--s.prev_length !== 0);
+      s.match_available = 0;
+      s.match_length = MIN_MATCH - 1;
+      s.strstart++;
+
+      if (bflush) {
+        /*** FLUSH_BLOCK(s, 0); ***/
+        flush_block_only(s, false);
+        if (s.strm.avail_out === 0) {
+          return BS_NEED_MORE;
+        }
+        /***/
+      }
+
+    } else if (s.match_available) {
+      /* If there was no match at the previous position, output a
+       * single literal. If there was a match but the current match
+       * is longer, truncate the previous match to a single literal.
+       */
+      //Tracevv((stderr,"%c", s->window[s->strstart-1]));
+      /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
+      bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
+
+      if (bflush) {
+        /*** FLUSH_BLOCK_ONLY(s, 0) ***/
+        flush_block_only(s, false);
+        /***/
+      }
+      s.strstart++;
+      s.lookahead--;
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+    } else {
+      /* There is no previous match to compare with, wait for
+       * the next step to decide.
+       */
+      s.match_available = 1;
+      s.strstart++;
+      s.lookahead--;
+    }
+  }
+  //Assert (flush != Z_NO_FLUSH, "no flush?");
+  if (s.match_available) {
+    //Tracevv((stderr,"%c", s->window[s->strstart-1]));
+    /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
+    bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
+
+    s.match_available = 0;
+  }
+  s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1;
+  if (flush === Z_FINISH) {
+    /*** FLUSH_BLOCK(s, 1); ***/
+    flush_block_only(s, true);
+    if (s.strm.avail_out === 0) {
+      return BS_FINISH_STARTED;
+    }
+    /***/
+    return BS_FINISH_DONE;
+  }
+  if (s.last_lit) {
+    /*** FLUSH_BLOCK(s, 0); ***/
+    flush_block_only(s, false);
+    if (s.strm.avail_out === 0) {
+      return BS_NEED_MORE;
+    }
+    /***/
+  }
+
+  return BS_BLOCK_DONE;
+}
+
+
+/* ===========================================================================
+ * For Z_RLE, simply look for runs of bytes, generate matches only of distance
+ * one.  Do not maintain a hash table.  (It will be regenerated if this run of
+ * deflate switches away from Z_RLE.)
+ */
+function deflate_rle(s, flush) {
+  var bflush;            /* set if current block must be flushed */
+  var prev;              /* byte at distance one to match */
+  var scan, strend;      /* scan goes up to strend for length of run */
+
+  var _win = s.window;
+
+  for (;;) {
+    /* Make sure that we always have enough lookahead, except
+     * at the end of the input file. We need MAX_MATCH bytes
+     * for the longest run, plus one for the unrolled loop.
+     */
+    if (s.lookahead <= MAX_MATCH) {
+      fill_window(s);
+      if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) {
+        return BS_NEED_MORE;
+      }
+      if (s.lookahead === 0) { break; } /* flush the current block */
+    }
+
+    /* See how many times the previous byte repeats */
+    s.match_length = 0;
+    if (s.lookahead >= MIN_MATCH && s.strstart > 0) {
+      scan = s.strstart - 1;
+      prev = _win[scan];
+      if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) {
+        strend = s.strstart + MAX_MATCH;
+        do {
+          /*jshint noempty:false*/
+        } while (prev === _win[++scan] && prev === _win[++scan] &&
+                 prev === _win[++scan] && prev === _win[++scan] &&
+                 prev === _win[++scan] && prev === _win[++scan] &&
+                 prev === _win[++scan] && prev === _win[++scan] &&
+                 scan < strend);
+        s.match_length = MAX_MATCH - (strend - scan);
+        if (s.match_length > s.lookahead) {
+          s.match_length = s.lookahead;
+        }
+      }
+      //Assert(scan <= s->window+(uInt)(s->window_size-1), "wild scan");
+    }
+
+    /* Emit match if have run of MIN_MATCH or longer, else emit literal */
+    if (s.match_length >= MIN_MATCH) {
+      //check_match(s, s.strstart, s.strstart - 1, s.match_length);
+
+      /*** _tr_tally_dist(s, 1, s.match_length - MIN_MATCH, bflush); ***/
+      bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH);
+
+      s.lookahead -= s.match_length;
+      s.strstart += s.match_length;
+      s.match_length = 0;
+    } else {
+      /* No match, output a literal byte */
+      //Tracevv((stderr,"%c", s->window[s->strstart]));
+      /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+      bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+
+      s.lookahead--;
+      s.strstart++;
+    }
+    if (bflush) {
+      /*** FLUSH_BLOCK(s, 0); ***/
+      flush_block_only(s, false);
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+      /***/
+    }
+  }
+  s.insert = 0;
+  if (flush === Z_FINISH) {
+    /*** FLUSH_BLOCK(s, 1); ***/
+    flush_block_only(s, true);
+    if (s.strm.avail_out === 0) {
+      return BS_FINISH_STARTED;
+    }
+    /***/
+    return BS_FINISH_DONE;
+  }
+  if (s.last_lit) {
+    /*** FLUSH_BLOCK(s, 0); ***/
+    flush_block_only(s, false);
+    if (s.strm.avail_out === 0) {
+      return BS_NEED_MORE;
+    }
+    /***/
+  }
+  return BS_BLOCK_DONE;
+}
+
+/* ===========================================================================
+ * For Z_HUFFMAN_ONLY, do not look for matches.  Do not maintain a hash table.
+ * (It will be regenerated if this run of deflate switches away from Huffman.)
+ */
+function deflate_huff(s, flush) {
+  var bflush;             /* set if current block must be flushed */
+
+  for (;;) {
+    /* Make sure that we have a literal to write. */
+    if (s.lookahead === 0) {
+      fill_window(s);
+      if (s.lookahead === 0) {
+        if (flush === Z_NO_FLUSH) {
+          return BS_NEED_MORE;
+        }
+        break;      /* flush the current block */
+      }
+    }
+
+    /* Output a literal byte */
+    s.match_length = 0;
+    //Tracevv((stderr,"%c", s->window[s->strstart]));
+    /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+    bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+    s.lookahead--;
+    s.strstart++;
+    if (bflush) {
+      /*** FLUSH_BLOCK(s, 0); ***/
+      flush_block_only(s, false);
+      if (s.strm.avail_out === 0) {
+        return BS_NEED_MORE;
+      }
+      /***/
+    }
+  }
+  s.insert = 0;
+  if (flush === Z_FINISH) {
+    /*** FLUSH_BLOCK(s, 1); ***/
+    flush_block_only(s, true);
+    if (s.strm.avail_out === 0) {
+      return BS_FINISH_STARTED;
+    }
+    /***/
+    return BS_FINISH_DONE;
+  }
+  if (s.last_lit) {
+    /*** FLUSH_BLOCK(s, 0); ***/
+    flush_block_only(s, false);
+    if (s.strm.avail_out === 0) {
+      return BS_NEED_MORE;
+    }
+    /***/
+  }
+  return BS_BLOCK_DONE;
+}
+
+/* Values for max_lazy_match, good_match and max_chain_length, depending on
+ * the desired pack level (0..9). The values given below have been tuned to
+ * exclude worst case performance for pathological files. Better values may be
+ * found for specific files.
+ */
+function Config(good_length, max_lazy, nice_length, max_chain, func) {
+  this.good_length = good_length;
+  this.max_lazy = max_lazy;
+  this.nice_length = nice_length;
+  this.max_chain = max_chain;
+  this.func = func;
+}
+
+var configuration_table;
+
+configuration_table = [
+  /*      good lazy nice chain */
+  new Config(0, 0, 0, 0, deflate_stored),          /* 0 store only */
+  new Config(4, 4, 8, 4, deflate_fast),            /* 1 max speed, no lazy matches */
+  new Config(4, 5, 16, 8, deflate_fast),           /* 2 */
+  new Config(4, 6, 32, 32, deflate_fast),          /* 3 */
+
+  new Config(4, 4, 16, 16, deflate_slow),          /* 4 lazy matches */
+  new Config(8, 16, 32, 32, deflate_slow),         /* 5 */
+  new Config(8, 16, 128, 128, deflate_slow),       /* 6 */
+  new Config(8, 32, 128, 256, deflate_slow),       /* 7 */
+  new Config(32, 128, 258, 1024, deflate_slow),    /* 8 */
+  new Config(32, 258, 258, 4096, deflate_slow)     /* 9 max compression */
+];
+
+
+/* ===========================================================================
+ * Initialize the "longest match" routines for a new zlib stream
+ */
+function lm_init(s) {
+  s.window_size = 2 * s.w_size;
+
+  /*** CLEAR_HASH(s); ***/
+  zero(s.head); // Fill with NIL (= 0);
+
+  /* Set the default configuration parameters:
+   */
+  s.max_lazy_match = configuration_table[s.level].max_lazy;
+  s.good_match = configuration_table[s.level].good_length;
+  s.nice_match = configuration_table[s.level].nice_length;
+  s.max_chain_length = configuration_table[s.level].max_chain;
+
+  s.strstart = 0;
+  s.block_start = 0;
+  s.lookahead = 0;
+  s.insert = 0;
+  s.match_length = s.prev_length = MIN_MATCH - 1;
+  s.match_available = 0;
+  s.ins_h = 0;
+}
+
+
+function DeflateState() {
+  this.strm = null;            /* pointer back to this zlib stream */
+  this.status = 0;            /* as the name implies */
+  this.pending_buf = null;      /* output still pending */
+  this.pending_buf_size = 0;  /* size of pending_buf */
+  this.pending_out = 0;       /* next pending byte to output to the stream */
+  this.pending = 0;           /* nb of bytes in the pending buffer */
+  this.wrap = 0;              /* bit 0 true for zlib, bit 1 true for gzip */
+  this.gzhead = null;         /* gzip header information to write */
+  this.gzindex = 0;           /* where in extra, name, or comment */
+  this.method = Z_DEFLATED; /* can only be DEFLATED */
+  this.last_flush = -1;   /* value of flush param for previous deflate call */
+
+  this.w_size = 0;  /* LZ77 window size (32K by default) */
+  this.w_bits = 0;  /* log2(w_size)  (8..16) */
+  this.w_mask = 0;  /* w_size - 1 */
+
+  this.window = null;
+  /* Sliding window. Input bytes are read into the second half of the window,
+   * and move to the first half later to keep a dictionary of at least wSize
+   * bytes. With this organization, matches are limited to a distance of
+   * wSize-MAX_MATCH bytes, but this ensures that IO is always
+   * performed with a length multiple of the block size.
+   */
+
+  this.window_size = 0;
+  /* Actual size of window: 2*wSize, except when the user input buffer
+   * is directly used as sliding window.
+   */
+
+  this.prev = null;
+  /* Link to older string with same hash index. To limit the size of this
+   * array to 64K, this link is maintained only for the last 32K strings.
+   * An index in this array is thus a window index modulo 32K.
+   */
+
+  this.head = null;   /* Heads of the hash chains or NIL. */
+
+  this.ins_h = 0;       /* hash index of string to be inserted */
+  this.hash_size = 0;   /* number of elements in hash table */
+  this.hash_bits = 0;   /* log2(hash_size) */
+  this.hash_mask = 0;   /* hash_size-1 */
+
+  this.hash_shift = 0;
+  /* Number of bits by which ins_h must be shifted at each input
+   * step. It must be such that after MIN_MATCH steps, the oldest
+   * byte no longer takes part in the hash key, that is:
+   *   hash_shift * MIN_MATCH >= hash_bits
+   */
+
+  this.block_start = 0;
+  /* Window position at the beginning of the current output block. Gets
+   * negative when the window is moved backwards.
+   */
+
+  this.match_length = 0;      /* length of best match */
+  this.prev_match = 0;        /* previous match */
+  this.match_available = 0;   /* set if previous match exists */
+  this.strstart = 0;          /* start of string to insert */
+  this.match_start = 0;       /* start of matching string */
+  this.lookahead = 0;         /* number of valid bytes ahead in window */
+
+  this.prev_length = 0;
+  /* Length of the best match at previous step. Matches not greater than this
+   * are discarded. This is used in the lazy match evaluation.
+   */
+
+  this.max_chain_length = 0;
+  /* To speed up deflation, hash chains are never searched beyond this
+   * length.  A higher limit improves compression ratio but degrades the
+   * speed.
+   */
+
+  this.max_lazy_match = 0;
+  /* Attempt to find a better match only when the current match is strictly
+   * smaller than this value. This mechanism is used only for compression
+   * levels >= 4.
+   */
+  // That's alias to max_lazy_match, don't use directly
+  //this.max_insert_length = 0;
+  /* Insert new strings in the hash table only if the match length is not
+   * greater than this length. This saves time but degrades compression.
+   * max_insert_length is used only for compression levels <= 3.
+   */
+
+  this.level = 0;     /* compression level (1..9) */
+  this.strategy = 0;  /* favor or force Huffman coding*/
+
+  this.good_match = 0;
+  /* Use a faster search when the previous match is longer than this */
+
+  this.nice_match = 0; /* Stop searching when current match exceeds this */
+
+              /* used by trees.c: */
+
+  /* Didn't use ct_data typedef below to suppress compiler warning */
+
+  // struct ct_data_s dyn_ltree[HEAP_SIZE];   /* literal and length tree */
+  // struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
+  // struct ct_data_s bl_tree[2*BL_CODES+1];  /* Huffman tree for bit lengths */
+
+  // Use flat array of DOUBLE size, with interleaved fata,
+  // because JS does not support effective
+  this.dyn_ltree  = new utils.Buf16(HEAP_SIZE * 2);
+  this.dyn_dtree  = new utils.Buf16((2 * D_CODES + 1) * 2);
+  this.bl_tree    = new utils.Buf16((2 * BL_CODES + 1) * 2);
+  zero(this.dyn_ltree);
+  zero(this.dyn_dtree);
+  zero(this.bl_tree);
+
+  this.l_desc   = null;         /* desc. for literal tree */
+  this.d_desc   = null;         /* desc. for distance tree */
+  this.bl_desc  = null;         /* desc. for bit length tree */
+
+  //ush bl_count[MAX_BITS+1];
+  this.bl_count = new utils.Buf16(MAX_BITS + 1);
+  /* number of codes at each bit length for an optimal tree */
+
+  //int heap[2*L_CODES+1];      /* heap used to build the Huffman trees */
+  this.heap = new utils.Buf16(2 * L_CODES + 1);  /* heap used to build the Huffman trees */
+  zero(this.heap);
+
+  this.heap_len = 0;               /* number of elements in the heap */
+  this.heap_max = 0;               /* element of largest frequency */
+  /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
+   * The same heap array is used to build all trees.
+   */
+
+  this.depth = new utils.Buf16(2 * L_CODES + 1); //uch depth[2*L_CODES+1];
+  zero(this.depth);
+  /* Depth of each subtree used as tie breaker for trees of equal frequency
+   */
+
+  this.l_buf = 0;          /* buffer index for literals or lengths */
+
+  this.lit_bufsize = 0;
+  /* Size of match buffer for literals/lengths.  There are 4 reasons for
+   * limiting lit_bufsize to 64K:
+   *   - frequencies can be kept in 16 bit counters
+   *   - if compression is not successful for the first block, all input
+   *     data is still in the window so we can still emit a stored block even
+   *     when input comes from standard input.  (This can also be done for
+   *     all blocks if lit_bufsize is not greater than 32K.)
+   *   - if compression is not successful for a file smaller than 64K, we can
+   *     even emit a stored file instead of a stored block (saving 5 bytes).
+   *     This is applicable only for zip (not gzip or zlib).
+   *   - creating new Huffman trees less frequently may not provide fast
+   *     adaptation to changes in the input data statistics. (Take for
+   *     example a binary file with poorly compressible code followed by
+   *     a highly compressible string table.) Smaller buffer sizes give
+   *     fast adaptation but have of course the overhead of transmitting
+   *     trees more frequently.
+   *   - I can't count above 4
+   */
+
+  this.last_lit = 0;      /* running index in l_buf */
+
+  this.d_buf = 0;
+  /* Buffer index for distances. To simplify the code, d_buf and l_buf have
+   * the same number of elements. To use different lengths, an extra flag
+   * array would be necessary.
+   */
+
+  this.opt_len = 0;       /* bit length of current block with optimal trees */
+  this.static_len = 0;    /* bit length of current block with static trees */
+  this.matches = 0;       /* number of string matches in current block */
+  this.insert = 0;        /* bytes at end of window left to insert */
+
+
+  this.bi_buf = 0;
+  /* Output buffer. bits are inserted starting at the bottom (least
+   * significant bits).
+   */
+  this.bi_valid = 0;
+  /* Number of valid bits in bi_buf.  All bits above the last valid bit
+   * are always zero.
+   */
+
+  // Used for window memory init. We safely ignore it for JS. That makes
+  // sense only for pointers and memory check tools.
+  //this.high_water = 0;
+  /* High water mark offset in window for initialized bytes -- bytes above
+   * this are set to zero in order to avoid memory check warnings when
+   * longest match routines access bytes past the input.  This is then
+   * updated to the new high water mark.
+   */
+}
+
+
+function deflateResetKeep(strm) {
+  var s;
+
+  if (!strm || !strm.state) {
+    return err(strm, Z_STREAM_ERROR);
+  }
+
+  strm.total_in = strm.total_out = 0;
+  strm.data_type = Z_UNKNOWN;
+
+  s = strm.state;
+  s.pending = 0;
+  s.pending_out = 0;
+
+  if (s.wrap < 0) {
+    s.wrap = -s.wrap;
+    /* was made negative by deflate(..., Z_FINISH); */
+  }
+  s.status = (s.wrap ? INIT_STATE : BUSY_STATE);
+  strm.adler = (s.wrap === 2) ?
+    0  // crc32(0, Z_NULL, 0)
+  :
+    1; // adler32(0, Z_NULL, 0)
+  s.last_flush = Z_NO_FLUSH;
+  trees._tr_init(s);
+  return Z_OK;
+}
+
+
+function deflateReset(strm) {
+  var ret = deflateResetKeep(strm);
+  if (ret === Z_OK) {
+    lm_init(strm.state);
+  }
+  return ret;
+}
+
+
+function deflateSetHeader(strm, head) {
+  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+  if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
+  strm.state.gzhead = head;
+  return Z_OK;
+}
+
+
+function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
+  if (!strm) { // === Z_NULL
+    return Z_STREAM_ERROR;
+  }
+  var wrap = 1;
+
+  if (level === Z_DEFAULT_COMPRESSION) {
+    level = 6;
+  }
+
+  if (windowBits < 0) { /* suppress zlib wrapper */
+    wrap = 0;
+    windowBits = -windowBits;
+  }
+
+  else if (windowBits > 15) {
+    wrap = 2;           /* write gzip wrapper instead */
+    windowBits -= 16;
+  }
+
+
+  if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED ||
+    windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
+    strategy < 0 || strategy > Z_FIXED) {
+    return err(strm, Z_STREAM_ERROR);
+  }
+
+
+  if (windowBits === 8) {
+    windowBits = 9;
+  }
+  /* until 256-byte window bug fixed */
+
+  var s = new DeflateState();
+
+  strm.state = s;
+  s.strm = strm;
+
+  s.wrap = wrap;
+  s.gzhead = null;
+  s.w_bits = windowBits;
+  s.w_size = 1 << s.w_bits;
+  s.w_mask = s.w_size - 1;
+
+  s.hash_bits = memLevel + 7;
+  s.hash_size = 1 << s.hash_bits;
+  s.hash_mask = s.hash_size - 1;
+  s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH);
+
+  s.window = new utils.Buf8(s.w_size * 2);
+  s.head = new utils.Buf16(s.hash_size);
+  s.prev = new utils.Buf16(s.w_size);
+
+  // Don't need mem init magic for JS.
+  //s.high_water = 0;  /* nothing written to s->window yet */
+
+  s.lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */
+
+  s.pending_buf_size = s.lit_bufsize * 4;
+
+  //overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2);
+  //s->pending_buf = (uchf *) overlay;
+  s.pending_buf = new utils.Buf8(s.pending_buf_size);
+
+  // It is offset from `s.pending_buf` (size is `s.lit_bufsize * 2`)
+  //s->d_buf = overlay + s->lit_bufsize/sizeof(ush);
+  s.d_buf = 1 * s.lit_bufsize;
+
+  //s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize;
+  s.l_buf = (1 + 2) * s.lit_bufsize;
+
+  s.level = level;
+  s.strategy = strategy;
+  s.method = method;
+
+  return deflateReset(strm);
+}
+
+function deflateInit(strm, level) {
+  return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
+}
+
+
+function deflate(strm, flush) {
+  var old_flush, s;
+  var beg, val; // for gzip header write only
+
+  if (!strm || !strm.state ||
+    flush > Z_BLOCK || flush < 0) {
+    return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
+  }
+
+  s = strm.state;
+
+  if (!strm.output ||
+      (!strm.input && strm.avail_in !== 0) ||
+      (s.status === FINISH_STATE && flush !== Z_FINISH)) {
+    return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
+  }
+
+  s.strm = strm; /* just in case */
+  old_flush = s.last_flush;
+  s.last_flush = flush;
+
+  /* Write the header */
+  if (s.status === INIT_STATE) {
+
+    if (s.wrap === 2) { // GZIP header
+      strm.adler = 0;  //crc32(0L, Z_NULL, 0);
+      put_byte(s, 31);
+      put_byte(s, 139);
+      put_byte(s, 8);
+      if (!s.gzhead) { // s->gzhead == Z_NULL
+        put_byte(s, 0);
+        put_byte(s, 0);
+        put_byte(s, 0);
+        put_byte(s, 0);
+        put_byte(s, 0);
+        put_byte(s, s.level === 9 ? 2 :
+                    (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
+                     4 : 0));
+        put_byte(s, OS_CODE);
+        s.status = BUSY_STATE;
+      }
+      else {
+        put_byte(s, (s.gzhead.text ? 1 : 0) +
+                    (s.gzhead.hcrc ? 2 : 0) +
+                    (!s.gzhead.extra ? 0 : 4) +
+                    (!s.gzhead.name ? 0 : 8) +
+                    (!s.gzhead.comment ? 0 : 16)
+        );
+        put_byte(s, s.gzhead.time & 0xff);
+        put_byte(s, (s.gzhead.time >> 8) & 0xff);
+        put_byte(s, (s.gzhead.time >> 16) & 0xff);
+        put_byte(s, (s.gzhead.time >> 24) & 0xff);
+        put_byte(s, s.level === 9 ? 2 :
+                    (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
+                     4 : 0));
+        put_byte(s, s.gzhead.os & 0xff);
+        if (s.gzhead.extra && s.gzhead.extra.length) {
+          put_byte(s, s.gzhead.extra.length & 0xff);
+          put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
+        }
+        if (s.gzhead.hcrc) {
+          strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
+        }
+        s.gzindex = 0;
+        s.status = EXTRA_STATE;
+      }
+    }
+    else // DEFLATE header
+    {
+      var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8;
+      var level_flags = -1;
+
+      if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) {
+        level_flags = 0;
+      } else if (s.level < 6) {
+        level_flags = 1;
+      } else if (s.level === 6) {
+        level_flags = 2;
+      } else {
+        level_flags = 3;
+      }
+      header |= (level_flags << 6);
+      if (s.strstart !== 0) { header |= PRESET_DICT; }
+      header += 31 - (header % 31);
+
+      s.status = BUSY_STATE;
+      putShortMSB(s, header);
+
+      /* Save the adler32 of the preset dictionary: */
+      if (s.strstart !== 0) {
+        putShortMSB(s, strm.adler >>> 16);
+        putShortMSB(s, strm.adler & 0xffff);
+      }
+      strm.adler = 1; // adler32(0L, Z_NULL, 0);
+    }
+  }
+
+//#ifdef GZIP
+  if (s.status === EXTRA_STATE) {
+    if (s.gzhead.extra/* != Z_NULL*/) {
+      beg = s.pending;  /* start of bytes to update crc */
+
+      while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
+        if (s.pending === s.pending_buf_size) {
+          if (s.gzhead.hcrc && s.pending > beg) {
+            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+          }
+          flush_pending(strm);
+          beg = s.pending;
+          if (s.pending === s.pending_buf_size) {
+            break;
+          }
+        }
+        put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
+        s.gzindex++;
+      }
+      if (s.gzhead.hcrc && s.pending > beg) {
+        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+      }
+      if (s.gzindex === s.gzhead.extra.length) {
+        s.gzindex = 0;
+        s.status = NAME_STATE;
+      }
+    }
+    else {
+      s.status = NAME_STATE;
+    }
+  }
+  if (s.status === NAME_STATE) {
+    if (s.gzhead.name/* != Z_NULL*/) {
+      beg = s.pending;  /* start of bytes to update crc */
+      //int val;
+
+      do {
+        if (s.pending === s.pending_buf_size) {
+          if (s.gzhead.hcrc && s.pending > beg) {
+            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+          }
+          flush_pending(strm);
+          beg = s.pending;
+          if (s.pending === s.pending_buf_size) {
+            val = 1;
+            break;
+          }
+        }
+        // JS specific: little magic to add zero terminator to end of string
+        if (s.gzindex < s.gzhead.name.length) {
+          val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
+        } else {
+          val = 0;
+        }
+        put_byte(s, val);
+      } while (val !== 0);
+
+      if (s.gzhead.hcrc && s.pending > beg) {
+        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+      }
+      if (val === 0) {
+        s.gzindex = 0;
+        s.status = COMMENT_STATE;
+      }
+    }
+    else {
+      s.status = COMMENT_STATE;
+    }
+  }
+  if (s.status === COMMENT_STATE) {
+    if (s.gzhead.comment/* != Z_NULL*/) {
+      beg = s.pending;  /* start of bytes to update crc */
+      //int val;
+
+      do {
+        if (s.pending === s.pending_buf_size) {
+          if (s.gzhead.hcrc && s.pending > beg) {
+            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+          }
+          flush_pending(strm);
+          beg = s.pending;
+          if (s.pending === s.pending_buf_size) {
+            val = 1;
+            break;
+          }
+        }
+        // JS specific: little magic to add zero terminator to end of string
+        if (s.gzindex < s.gzhead.comment.length) {
+          val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
+        } else {
+          val = 0;
+        }
+        put_byte(s, val);
+      } while (val !== 0);
+
+      if (s.gzhead.hcrc && s.pending > beg) {
+        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+      }
+      if (val === 0) {
+        s.status = HCRC_STATE;
+      }
+    }
+    else {
+      s.status = HCRC_STATE;
+    }
+  }
+  if (s.status === HCRC_STATE) {
+    if (s.gzhead.hcrc) {
+      if (s.pending + 2 > s.pending_buf_size) {
+        flush_pending(strm);
+      }
+      if (s.pending + 2 <= s.pending_buf_size) {
+        put_byte(s, strm.adler & 0xff);
+        put_byte(s, (strm.adler >> 8) & 0xff);
+        strm.adler = 0; //crc32(0L, Z_NULL, 0);
+        s.status = BUSY_STATE;
+      }
+    }
+    else {
+      s.status = BUSY_STATE;
+    }
+  }
+//#endif
+
+  /* Flush as much pending output as possible */
+  if (s.pending !== 0) {
+    flush_pending(strm);
+    if (strm.avail_out === 0) {
+      /* Since avail_out is 0, deflate will be called again with
+       * more output space, but possibly with both pending and
+       * avail_in equal to zero. There won't be anything to do,
+       * but this is not an error situation so make sure we
+       * return OK instead of BUF_ERROR at next call of deflate:
+       */
+      s.last_flush = -1;
+      return Z_OK;
+    }
+
+    /* Make sure there is something to do and avoid duplicate consecutive
+     * flushes. For repeated and useless calls with Z_FINISH, we keep
+     * returning Z_STREAM_END instead of Z_BUF_ERROR.
+     */
+  } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) &&
+    flush !== Z_FINISH) {
+    return err(strm, Z_BUF_ERROR);
+  }
+
+  /* User must not provide more input after the first FINISH: */
+  if (s.status === FINISH_STATE && strm.avail_in !== 0) {
+    return err(strm, Z_BUF_ERROR);
+  }
+
+  /* Start a new block or continue the current one.
+   */
+  if (strm.avail_in !== 0 || s.lookahead !== 0 ||
+    (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) {
+    var bstate = (s.strategy === Z_HUFFMAN_ONLY) ? deflate_huff(s, flush) :
+      (s.strategy === Z_RLE ? deflate_rle(s, flush) :
+        configuration_table[s.level].func(s, flush));
+
+    if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) {
+      s.status = FINISH_STATE;
+    }
+    if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) {
+      if (strm.avail_out === 0) {
+        s.last_flush = -1;
+        /* avoid BUF_ERROR next call, see above */
+      }
+      return Z_OK;
+      /* If flush != Z_NO_FLUSH && avail_out == 0, the next call
+       * of deflate should use the same flush parameter to make sure
+       * that the flush is complete. So we don't have to output an
+       * empty block here, this will be done at next call. This also
+       * ensures that for a very small output buffer, we emit at most
+       * one empty block.
+       */
+    }
+    if (bstate === BS_BLOCK_DONE) {
+      if (flush === Z_PARTIAL_FLUSH) {
+        trees._tr_align(s);
+      }
+      else if (flush !== Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */
+
+        trees._tr_stored_block(s, 0, 0, false);
+        /* For a full flush, this empty block will be recognized
+         * as a special marker by inflate_sync().
+         */
+        if (flush === Z_FULL_FLUSH) {
+          /*** CLEAR_HASH(s); ***/             /* forget history */
+          zero(s.head); // Fill with NIL (= 0);
+
+          if (s.lookahead === 0) {
+            s.strstart = 0;
+            s.block_start = 0;
+            s.insert = 0;
+          }
+        }
+      }
+      flush_pending(strm);
+      if (strm.avail_out === 0) {
+        s.last_flush = -1; /* avoid BUF_ERROR at next call, see above */
+        return Z_OK;
+      }
+    }
+  }
+  //Assert(strm->avail_out > 0, "bug2");
+  //if (strm.avail_out <= 0) { throw new Error("bug2");}
+
+  if (flush !== Z_FINISH) { return Z_OK; }
+  if (s.wrap <= 0) { return Z_STREAM_END; }
+
+  /* Write the trailer */
+  if (s.wrap === 2) {
+    put_byte(s, strm.adler & 0xff);
+    put_byte(s, (strm.adler >> 8) & 0xff);
+    put_byte(s, (strm.adler >> 16) & 0xff);
+    put_byte(s, (strm.adler >> 24) & 0xff);
+    put_byte(s, strm.total_in & 0xff);
+    put_byte(s, (strm.total_in >> 8) & 0xff);
+    put_byte(s, (strm.total_in >> 16) & 0xff);
+    put_byte(s, (strm.total_in >> 24) & 0xff);
+  }
+  else
+  {
+    putShortMSB(s, strm.adler >>> 16);
+    putShortMSB(s, strm.adler & 0xffff);
+  }
+
+  flush_pending(strm);
+  /* If avail_out is zero, the application will call deflate again
+   * to flush the rest.
+   */
+  if (s.wrap > 0) { s.wrap = -s.wrap; }
+  /* write the trailer only once! */
+  return s.pending !== 0 ? Z_OK : Z_STREAM_END;
+}
+
+function deflateEnd(strm) {
+  var status;
+
+  if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
+    return Z_STREAM_ERROR;
+  }
+
+  status = strm.state.status;
+  if (status !== INIT_STATE &&
+    status !== EXTRA_STATE &&
+    status !== NAME_STATE &&
+    status !== COMMENT_STATE &&
+    status !== HCRC_STATE &&
+    status !== BUSY_STATE &&
+    status !== FINISH_STATE
+  ) {
+    return err(strm, Z_STREAM_ERROR);
+  }
+
+  strm.state = null;
+
+  return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
+}
+
+
+/* =========================================================================
+ * Initializes the compression dictionary from the given byte
+ * sequence without producing any compressed output.
+ */
+function deflateSetDictionary(strm, dictionary) {
+  var dictLength = dictionary.length;
+
+  var s;
+  var str, n;
+  var wrap;
+  var avail;
+  var next;
+  var input;
+  var tmpDict;
+
+  if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
+    return Z_STREAM_ERROR;
+  }
+
+  s = strm.state;
+  wrap = s.wrap;
+
+  if (wrap === 2 || (wrap === 1 && s.status !== INIT_STATE) || s.lookahead) {
+    return Z_STREAM_ERROR;
+  }
+
+  /* when using zlib wrappers, compute Adler-32 for provided dictionary */
+  if (wrap === 1) {
+    /* adler32(strm->adler, dictionary, dictLength); */
+    strm.adler = adler32(strm.adler, dictionary, dictLength, 0);
+  }
+
+  s.wrap = 0;   /* avoid computing Adler-32 in read_buf */
+
+  /* if dictionary would fill window, just replace the history */
+  if (dictLength >= s.w_size) {
+    if (wrap === 0) {            /* already empty otherwise */
+      /*** CLEAR_HASH(s); ***/
+      zero(s.head); // Fill with NIL (= 0);
+      s.strstart = 0;
+      s.block_start = 0;
+      s.insert = 0;
+    }
+    /* use the tail */
+    // dictionary = dictionary.slice(dictLength - s.w_size);
+    tmpDict = new utils.Buf8(s.w_size);
+    utils.arraySet(tmpDict, dictionary, dictLength - s.w_size, s.w_size, 0);
+    dictionary = tmpDict;
+    dictLength = s.w_size;
+  }
+  /* insert dictionary into window and hash */
+  avail = strm.avail_in;
+  next = strm.next_in;
+  input = strm.input;
+  strm.avail_in = dictLength;
+  strm.next_in = 0;
+  strm.input = dictionary;
+  fill_window(s);
+  while (s.lookahead >= MIN_MATCH) {
+    str = s.strstart;
+    n = s.lookahead - (MIN_MATCH - 1);
+    do {
+      /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
+      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
+
+      s.prev[str & s.w_mask] = s.head[s.ins_h];
+
+      s.head[s.ins_h] = str;
+      str++;
+    } while (--n);
+    s.strstart = str;
+    s.lookahead = MIN_MATCH - 1;
+    fill_window(s);
+  }
+  s.strstart += s.lookahead;
+  s.block_start = s.strstart;
+  s.insert = s.lookahead;
+  s.lookahead = 0;
+  s.match_length = s.prev_length = MIN_MATCH - 1;
+  s.match_available = 0;
+  strm.next_in = next;
+  strm.input = input;
+  strm.avail_in = avail;
+  s.wrap = wrap;
+  return Z_OK;
+}
+
+
+exports.deflateInit = deflateInit;
+exports.deflateInit2 = deflateInit2;
+exports.deflateReset = deflateReset;
+exports.deflateResetKeep = deflateResetKeep;
+exports.deflateSetHeader = deflateSetHeader;
+exports.deflate = deflate;
+exports.deflateEnd = deflateEnd;
+exports.deflateSetDictionary = deflateSetDictionary;
+exports.deflateInfo = 'pako deflate (from Nodeca project)';
+
+/* Not implemented
+exports.deflateBound = deflateBound;
+exports.deflateCopy = deflateCopy;
+exports.deflateParams = deflateParams;
+exports.deflatePending = deflatePending;
+exports.deflatePrime = deflatePrime;
+exports.deflateTune = deflateTune;
+*/
diff --git a/node_modules/pako/lib/zlib/gzheader.js b/node_modules/pako/lib/zlib/gzheader.js
new file mode 100644
index 00000000..9582cba6
--- /dev/null
+++ b/node_modules/pako/lib/zlib/gzheader.js
@@ -0,0 +1,58 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+function GZheader() {
+  /* true if compressed data believed to be text */
+  this.text       = 0;
+  /* modification time */
+  this.time       = 0;
+  /* extra flags (not used when writing a gzip file) */
+  this.xflags     = 0;
+  /* operating system */
+  this.os         = 0;
+  /* pointer to extra field or Z_NULL if none */
+  this.extra      = null;
+  /* extra field length (valid if extra != Z_NULL) */
+  this.extra_len  = 0; // Actually, we don't need it in JS,
+                       // but leave for few code modifications
+
+  //
+  // Setup limits is not necessary because in js we should not preallocate memory
+  // for inflate use constant limit in 65536 bytes
+  //
+
+  /* space at extra (only when reading header) */
+  // this.extra_max  = 0;
+  /* pointer to zero-terminated file name or Z_NULL */
+  this.name       = '';
+  /* space at name (only when reading header) */
+  // this.name_max   = 0;
+  /* pointer to zero-terminated comment or Z_NULL */
+  this.comment    = '';
+  /* space at comment (only when reading header) */
+  // this.comm_max   = 0;
+  /* true if there was or will be a header crc */
+  this.hcrc       = 0;
+  /* true when done reading gzip header (not used when writing a gzip file) */
+  this.done       = false;
+}
+
+module.exports = GZheader;
diff --git a/node_modules/pako/lib/zlib/inffast.js b/node_modules/pako/lib/zlib/inffast.js
new file mode 100644
index 00000000..4cc958fe
--- /dev/null
+++ b/node_modules/pako/lib/zlib/inffast.js
@@ -0,0 +1,345 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+// See state defs from inflate.js
+var BAD = 30;       /* got a data error -- remain here until reset */
+var TYPE = 12;      /* i: waiting for type bits, including last-flag bit */
+
+/*
+   Decode literal, length, and distance codes and write out the resulting
+   literal and match bytes until either not enough input or output is
+   available, an end-of-block is encountered, or a data error is encountered.
+   When large enough input and output buffers are supplied to inflate(), for
+   example, a 16K input buffer and a 64K output buffer, more than 95% of the
+   inflate execution time is spent in this routine.
+
+   Entry assumptions:
+
+        state.mode === LEN
+        strm.avail_in >= 6
+        strm.avail_out >= 258
+        start >= strm.avail_out
+        state.bits < 8
+
+   On return, state.mode is one of:
+
+        LEN -- ran out of enough output space or enough available input
+        TYPE -- reached end of block code, inflate() to interpret next block
+        BAD -- error in block data
+
+   Notes:
+
+    - The maximum input bits used by a length/distance pair is 15 bits for the
+      length code, 5 bits for the length extra, 15 bits for the distance code,
+      and 13 bits for the distance extra.  This totals 48 bits, or six bytes.
+      Therefore if strm.avail_in >= 6, then there is enough input to avoid
+      checking for available input while decoding.
+
+    - The maximum bytes that a single length/distance pair can output is 258
+      bytes, which is the maximum length that can be coded.  inflate_fast()
+      requires strm.avail_out >= 258 for each loop to avoid checking for
+      output space.
+ */
+module.exports = function inflate_fast(strm, start) {
+  var state;
+  var _in;                    /* local strm.input */
+  var last;                   /* have enough input while in < last */
+  var _out;                   /* local strm.output */
+  var beg;                    /* inflate()'s initial strm.output */
+  var end;                    /* while out < end, enough space available */
+//#ifdef INFLATE_STRICT
+  var dmax;                   /* maximum distance from zlib header */
+//#endif
+  var wsize;                  /* window size or zero if not using window */
+  var whave;                  /* valid bytes in the window */
+  var wnext;                  /* window write index */
+  // Use `s_window` instead `window`, avoid conflict with instrumentation tools
+  var s_window;               /* allocated sliding window, if wsize != 0 */
+  var hold;                   /* local strm.hold */
+  var bits;                   /* local strm.bits */
+  var lcode;                  /* local strm.lencode */
+  var dcode;                  /* local strm.distcode */
+  var lmask;                  /* mask for first level of length codes */
+  var dmask;                  /* mask for first level of distance codes */
+  var here;                   /* retrieved table entry */
+  var op;                     /* code bits, operation, extra bits, or */
+                              /*  window position, window bytes to copy */
+  var len;                    /* match length, unused bytes */
+  var dist;                   /* match distance */
+  var from;                   /* where to copy match from */
+  var from_source;
+
+
+  var input, output; // JS specific, because we have no pointers
+
+  /* copy state to local variables */
+  state = strm.state;
+  //here = state.here;
+  _in = strm.next_in;
+  input = strm.input;
+  last = _in + (strm.avail_in - 5);
+  _out = strm.next_out;
+  output = strm.output;
+  beg = _out - (start - strm.avail_out);
+  end = _out + (strm.avail_out - 257);
+//#ifdef INFLATE_STRICT
+  dmax = state.dmax;
+//#endif
+  wsize = state.wsize;
+  whave = state.whave;
+  wnext = state.wnext;
+  s_window = state.window;
+  hold = state.hold;
+  bits = state.bits;
+  lcode = state.lencode;
+  dcode = state.distcode;
+  lmask = (1 << state.lenbits) - 1;
+  dmask = (1 << state.distbits) - 1;
+
+
+  /* decode literals and length/distances until end-of-block or not enough
+     input data or output space */
+
+  top:
+  do {
+    if (bits < 15) {
+      hold += input[_in++] << bits;
+      bits += 8;
+      hold += input[_in++] << bits;
+      bits += 8;
+    }
+
+    here = lcode[hold & lmask];
+
+    dolen:
+    for (;;) { // Goto emulation
+      op = here >>> 24/*here.bits*/;
+      hold >>>= op;
+      bits -= op;
+      op = (here >>> 16) & 0xff/*here.op*/;
+      if (op === 0) {                          /* literal */
+        //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
+        //        "inflate:         literal '%c'\n" :
+        //        "inflate:         literal 0x%02x\n", here.val));
+        output[_out++] = here & 0xffff/*here.val*/;
+      }
+      else if (op & 16) {                     /* length base */
+        len = here & 0xffff/*here.val*/;
+        op &= 15;                           /* number of extra bits */
+        if (op) {
+          if (bits < op) {
+            hold += input[_in++] << bits;
+            bits += 8;
+          }
+          len += hold & ((1 << op) - 1);
+          hold >>>= op;
+          bits -= op;
+        }
+        //Tracevv((stderr, "inflate:         length %u\n", len));
+        if (bits < 15) {
+          hold += input[_in++] << bits;
+          bits += 8;
+          hold += input[_in++] << bits;
+          bits += 8;
+        }
+        here = dcode[hold & dmask];
+
+        dodist:
+        for (;;) { // goto emulation
+          op = here >>> 24/*here.bits*/;
+          hold >>>= op;
+          bits -= op;
+          op = (here >>> 16) & 0xff/*here.op*/;
+
+          if (op & 16) {                      /* distance base */
+            dist = here & 0xffff/*here.val*/;
+            op &= 15;                       /* number of extra bits */
+            if (bits < op) {
+              hold += input[_in++] << bits;
+              bits += 8;
+              if (bits < op) {
+                hold += input[_in++] << bits;
+                bits += 8;
+              }
+            }
+            dist += hold & ((1 << op) - 1);
+//#ifdef INFLATE_STRICT
+            if (dist > dmax) {
+              strm.msg = 'invalid distance too far back';
+              state.mode = BAD;
+              break top;
+            }
+//#endif
+            hold >>>= op;
+            bits -= op;
+            //Tracevv((stderr, "inflate:         distance %u\n", dist));
+            op = _out - beg;                /* max distance in output */
+            if (dist > op) {                /* see if copy from window */
+              op = dist - op;               /* distance back in window */
+              if (op > whave) {
+                if (state.sane) {
+                  strm.msg = 'invalid distance too far back';
+                  state.mode = BAD;
+                  break top;
+                }
+
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
+//                if (len <= op - whave) {
+//                  do {
+//                    output[_out++] = 0;
+//                  } while (--len);
+//                  continue top;
+//                }
+//                len -= op - whave;
+//                do {
+//                  output[_out++] = 0;
+//                } while (--op > whave);
+//                if (op === 0) {
+//                  from = _out - dist;
+//                  do {
+//                    output[_out++] = output[from++];
+//                  } while (--len);
+//                  continue top;
+//                }
+//#endif
+              }
+              from = 0; // window index
+              from_source = s_window;
+              if (wnext === 0) {           /* very common case */
+                from += wsize - op;
+                if (op < len) {         /* some from window */
+                  len -= op;
+                  do {
+                    output[_out++] = s_window[from++];
+                  } while (--op);
+                  from = _out - dist;  /* rest from output */
+                  from_source = output;
+                }
+              }
+              else if (wnext < op) {      /* wrap around window */
+                from += wsize + wnext - op;
+                op -= wnext;
+                if (op < len) {         /* some from end of window */
+                  len -= op;
+                  do {
+                    output[_out++] = s_window[from++];
+                  } while (--op);
+                  from = 0;
+                  if (wnext < len) {  /* some from start of window */
+                    op = wnext;
+                    len -= op;
+                    do {
+                      output[_out++] = s_window[from++];
+                    } while (--op);
+                    from = _out - dist;      /* rest from output */
+                    from_source = output;
+                  }
+                }
+              }
+              else {                      /* contiguous in window */
+                from += wnext - op;
+                if (op < len) {         /* some from window */
+                  len -= op;
+                  do {
+                    output[_out++] = s_window[from++];
+                  } while (--op);
+                  from = _out - dist;  /* rest from output */
+                  from_source = output;
+                }
+              }
+              while (len > 2) {
+                output[_out++] = from_source[from++];
+                output[_out++] = from_source[from++];
+                output[_out++] = from_source[from++];
+                len -= 3;
+              }
+              if (len) {
+                output[_out++] = from_source[from++];
+                if (len > 1) {
+                  output[_out++] = from_source[from++];
+                }
+              }
+            }
+            else {
+              from = _out - dist;          /* copy direct from output */
+              do {                        /* minimum length is three */
+                output[_out++] = output[from++];
+                output[_out++] = output[from++];
+                output[_out++] = output[from++];
+                len -= 3;
+              } while (len > 2);
+              if (len) {
+                output[_out++] = output[from++];
+                if (len > 1) {
+                  output[_out++] = output[from++];
+                }
+              }
+            }
+          }
+          else if ((op & 64) === 0) {          /* 2nd level distance code */
+            here = dcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
+            continue dodist;
+          }
+          else {
+            strm.msg = 'invalid distance code';
+            state.mode = BAD;
+            break top;
+          }
+
+          break; // need to emulate goto via "continue"
+        }
+      }
+      else if ((op & 64) === 0) {              /* 2nd level length code */
+        here = lcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
+        continue dolen;
+      }
+      else if (op & 32) {                     /* end-of-block */
+        //Tracevv((stderr, "inflate:         end of block\n"));
+        state.mode = TYPE;
+        break top;
+      }
+      else {
+        strm.msg = 'invalid literal/length code';
+        state.mode = BAD;
+        break top;
+      }
+
+      break; // need to emulate goto via "continue"
+    }
+  } while (_in < last && _out < end);
+
+  /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
+  len = bits >> 3;
+  _in -= len;
+  bits -= len << 3;
+  hold &= (1 << bits) - 1;
+
+  /* update state and return */
+  strm.next_in = _in;
+  strm.next_out = _out;
+  strm.avail_in = (_in < last ? 5 + (last - _in) : 5 - (_in - last));
+  strm.avail_out = (_out < end ? 257 + (end - _out) : 257 - (_out - end));
+  state.hold = hold;
+  state.bits = bits;
+  return;
+};
diff --git a/node_modules/pako/lib/zlib/inflate.js b/node_modules/pako/lib/zlib/inflate.js
new file mode 100644
index 00000000..63848448
--- /dev/null
+++ b/node_modules/pako/lib/zlib/inflate.js
@@ -0,0 +1,1556 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils         = require('../utils/common');
+var adler32       = require('./adler32');
+var crc32         = require('./crc32');
+var inflate_fast  = require('./inffast');
+var inflate_table = require('./inftrees');
+
+var CODES = 0;
+var LENS = 1;
+var DISTS = 2;
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+/* Allowed flush values; see deflate() and inflate() below for details */
+//var Z_NO_FLUSH      = 0;
+//var Z_PARTIAL_FLUSH = 1;
+//var Z_SYNC_FLUSH    = 2;
+//var Z_FULL_FLUSH    = 3;
+var Z_FINISH        = 4;
+var Z_BLOCK         = 5;
+var Z_TREES         = 6;
+
+
+/* Return codes for the compression/decompression functions. Negative values
+ * are errors, positive values are used for special but normal events.
+ */
+var Z_OK            = 0;
+var Z_STREAM_END    = 1;
+var Z_NEED_DICT     = 2;
+//var Z_ERRNO         = -1;
+var Z_STREAM_ERROR  = -2;
+var Z_DATA_ERROR    = -3;
+var Z_MEM_ERROR     = -4;
+var Z_BUF_ERROR     = -5;
+//var Z_VERSION_ERROR = -6;
+
+/* The deflate compression method */
+var Z_DEFLATED  = 8;
+
+
+/* STATES ====================================================================*/
+/* ===========================================================================*/
+
+
+var    HEAD = 1;       /* i: waiting for magic header */
+var    FLAGS = 2;      /* i: waiting for method and flags (gzip) */
+var    TIME = 3;       /* i: waiting for modification time (gzip) */
+var    OS = 4;         /* i: waiting for extra flags and operating system (gzip) */
+var    EXLEN = 5;      /* i: waiting for extra length (gzip) */
+var    EXTRA = 6;      /* i: waiting for extra bytes (gzip) */
+var    NAME = 7;       /* i: waiting for end of file name (gzip) */
+var    COMMENT = 8;    /* i: waiting for end of comment (gzip) */
+var    HCRC = 9;       /* i: waiting for header crc (gzip) */
+var    DICTID = 10;    /* i: waiting for dictionary check value */
+var    DICT = 11;      /* waiting for inflateSetDictionary() call */
+var        TYPE = 12;      /* i: waiting for type bits, including last-flag bit */
+var        TYPEDO = 13;    /* i: same, but skip check to exit inflate on new block */
+var        STORED = 14;    /* i: waiting for stored size (length and complement) */
+var        COPY_ = 15;     /* i/o: same as COPY below, but only first time in */
+var        COPY = 16;      /* i/o: waiting for input or output to copy stored block */
+var        TABLE = 17;     /* i: waiting for dynamic block table lengths */
+var        LENLENS = 18;   /* i: waiting for code length code lengths */
+var        CODELENS = 19;  /* i: waiting for length/lit and distance code lengths */
+var            LEN_ = 20;      /* i: same as LEN below, but only first time in */
+var            LEN = 21;       /* i: waiting for length/lit/eob code */
+var            LENEXT = 22;    /* i: waiting for length extra bits */
+var            DIST = 23;      /* i: waiting for distance code */
+var            DISTEXT = 24;   /* i: waiting for distance extra bits */
+var            MATCH = 25;     /* o: waiting for output space to copy string */
+var            LIT = 26;       /* o: waiting for output space to write literal */
+var    CHECK = 27;     /* i: waiting for 32-bit check value */
+var    LENGTH = 28;    /* i: waiting for 32-bit length (gzip) */
+var    DONE = 29;      /* finished check, done -- remain here until reset */
+var    BAD = 30;       /* got a data error -- remain here until reset */
+var    MEM = 31;       /* got an inflate() memory error -- remain here until reset */
+var    SYNC = 32;      /* looking for synchronization bytes to restart inflate() */
+
+/* ===========================================================================*/
+
+
+
+var ENOUGH_LENS = 852;
+var ENOUGH_DISTS = 592;
+//var ENOUGH =  (ENOUGH_LENS+ENOUGH_DISTS);
+
+var MAX_WBITS = 15;
+/* 32K LZ77 window */
+var DEF_WBITS = MAX_WBITS;
+
+
+function zswap32(q) {
+  return  (((q >>> 24) & 0xff) +
+          ((q >>> 8) & 0xff00) +
+          ((q & 0xff00) << 8) +
+          ((q & 0xff) << 24));
+}
+
+
+function InflateState() {
+  this.mode = 0;             /* current inflate mode */
+  this.last = false;          /* true if processing last block */
+  this.wrap = 0;              /* bit 0 true for zlib, bit 1 true for gzip */
+  this.havedict = false;      /* true if dictionary provided */
+  this.flags = 0;             /* gzip header method and flags (0 if zlib) */
+  this.dmax = 0;              /* zlib header max distance (INFLATE_STRICT) */
+  this.check = 0;             /* protected copy of check value */
+  this.total = 0;             /* protected copy of output count */
+  // TODO: may be {}
+  this.head = null;           /* where to save gzip header information */
+
+  /* sliding window */
+  this.wbits = 0;             /* log base 2 of requested window size */
+  this.wsize = 0;             /* window size or zero if not using window */
+  this.whave = 0;             /* valid bytes in the window */
+  this.wnext = 0;             /* window write index */
+  this.window = null;         /* allocated sliding window, if needed */
+
+  /* bit accumulator */
+  this.hold = 0;              /* input bit accumulator */
+  this.bits = 0;              /* number of bits in "in" */
+
+  /* for string and stored block copying */
+  this.length = 0;            /* literal or length of data to copy */
+  this.offset = 0;            /* distance back to copy string from */
+
+  /* for table and code decoding */
+  this.extra = 0;             /* extra bits needed */
+
+  /* fixed and dynamic code tables */
+  this.lencode = null;          /* starting table for length/literal codes */
+  this.distcode = null;         /* starting table for distance codes */
+  this.lenbits = 0;           /* index bits for lencode */
+  this.distbits = 0;          /* index bits for distcode */
+
+  /* dynamic table building */
+  this.ncode = 0;             /* number of code length code lengths */
+  this.nlen = 0;              /* number of length code lengths */
+  this.ndist = 0;             /* number of distance code lengths */
+  this.have = 0;              /* number of code lengths in lens[] */
+  this.next = null;              /* next available space in codes[] */
+
+  this.lens = new utils.Buf16(320); /* temporary storage for code lengths */
+  this.work = new utils.Buf16(288); /* work area for code table building */
+
+  /*
+   because we don't have pointers in js, we use lencode and distcode directly
+   as buffers so we don't need codes
+  */
+  //this.codes = new utils.Buf32(ENOUGH);       /* space for code tables */
+  this.lendyn = null;              /* dynamic table for length/literal codes (JS specific) */
+  this.distdyn = null;             /* dynamic table for distance codes (JS specific) */
+  this.sane = 0;                   /* if false, allow invalid distance too far */
+  this.back = 0;                   /* bits back of last unprocessed length/lit */
+  this.was = 0;                    /* initial length of match */
+}
+
+function inflateResetKeep(strm) {
+  var state;
+
+  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+  state = strm.state;
+  strm.total_in = strm.total_out = state.total = 0;
+  strm.msg = ''; /*Z_NULL*/
+  if (state.wrap) {       /* to support ill-conceived Java test suite */
+    strm.adler = state.wrap & 1;
+  }
+  state.mode = HEAD;
+  state.last = 0;
+  state.havedict = 0;
+  state.dmax = 32768;
+  state.head = null/*Z_NULL*/;
+  state.hold = 0;
+  state.bits = 0;
+  //state.lencode = state.distcode = state.next = state.codes;
+  state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS);
+  state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS);
+
+  state.sane = 1;
+  state.back = -1;
+  //Tracev((stderr, "inflate: reset\n"));
+  return Z_OK;
+}
+
+function inflateReset(strm) {
+  var state;
+
+  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+  state = strm.state;
+  state.wsize = 0;
+  state.whave = 0;
+  state.wnext = 0;
+  return inflateResetKeep(strm);
+
+}
+
+function inflateReset2(strm, windowBits) {
+  var wrap;
+  var state;
+
+  /* get the state */
+  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+  state = strm.state;
+
+  /* extract wrap request from windowBits parameter */
+  if (windowBits < 0) {
+    wrap = 0;
+    windowBits = -windowBits;
+  }
+  else {
+    wrap = (windowBits >> 4) + 1;
+    if (windowBits < 48) {
+      windowBits &= 15;
+    }
+  }
+
+  /* set number of window bits, free window if different */
+  if (windowBits && (windowBits < 8 || windowBits > 15)) {
+    return Z_STREAM_ERROR;
+  }
+  if (state.window !== null && state.wbits !== windowBits) {
+    state.window = null;
+  }
+
+  /* update state and reset the rest of it */
+  state.wrap = wrap;
+  state.wbits = windowBits;
+  return inflateReset(strm);
+}
+
+function inflateInit2(strm, windowBits) {
+  var ret;
+  var state;
+
+  if (!strm) { return Z_STREAM_ERROR; }
+  //strm.msg = Z_NULL;                 /* in case we return an error */
+
+  state = new InflateState();
+
+  //if (state === Z_NULL) return Z_MEM_ERROR;
+  //Tracev((stderr, "inflate: allocated\n"));
+  strm.state = state;
+  state.window = null/*Z_NULL*/;
+  ret = inflateReset2(strm, windowBits);
+  if (ret !== Z_OK) {
+    strm.state = null/*Z_NULL*/;
+  }
+  return ret;
+}
+
+function inflateInit(strm) {
+  return inflateInit2(strm, DEF_WBITS);
+}
+
+
+/*
+ Return state with length and distance decoding tables and index sizes set to
+ fixed code decoding.  Normally this returns fixed tables from inffixed.h.
+ If BUILDFIXED is defined, then instead this routine builds the tables the
+ first time it's called, and returns those tables the first time and
+ thereafter.  This reduces the size of the code by about 2K bytes, in
+ exchange for a little execution time.  However, BUILDFIXED should not be
+ used for threaded applications, since the rewriting of the tables and virgin
+ may not be thread-safe.
+ */
+var virgin = true;
+
+var lenfix, distfix; // We have no pointers in JS, so keep tables separate
+
+function fixedtables(state) {
+  /* build fixed huffman tables if first call (may not be thread safe) */
+  if (virgin) {
+    var sym;
+
+    lenfix = new utils.Buf32(512);
+    distfix = new utils.Buf32(32);
+
+    /* literal/length table */
+    sym = 0;
+    while (sym < 144) { state.lens[sym++] = 8; }
+    while (sym < 256) { state.lens[sym++] = 9; }
+    while (sym < 280) { state.lens[sym++] = 7; }
+    while (sym < 288) { state.lens[sym++] = 8; }
+
+    inflate_table(LENS,  state.lens, 0, 288, lenfix,   0, state.work, { bits: 9 });
+
+    /* distance table */
+    sym = 0;
+    while (sym < 32) { state.lens[sym++] = 5; }
+
+    inflate_table(DISTS, state.lens, 0, 32,   distfix, 0, state.work, { bits: 5 });
+
+    /* do this just once */
+    virgin = false;
+  }
+
+  state.lencode = lenfix;
+  state.lenbits = 9;
+  state.distcode = distfix;
+  state.distbits = 5;
+}
+
+
+/*
+ Update the window with the last wsize (normally 32K) bytes written before
+ returning.  If window does not exist yet, create it.  This is only called
+ when a window is already in use, or when output has been written during this
+ inflate call, but the end of the deflate stream has not been reached yet.
+ It is also called to create a window for dictionary data when a dictionary
+ is loaded.
+
+ Providing output buffers larger than 32K to inflate() should provide a speed
+ advantage, since only the last 32K of output is copied to the sliding window
+ upon return from inflate(), and since all distances after the first 32K of
+ output will fall in the output data, making match copies simpler and faster.
+ The advantage may be dependent on the size of the processor's data caches.
+ */
+function updatewindow(strm, src, end, copy) {
+  var dist;
+  var state = strm.state;
+
+  /* if it hasn't been done already, allocate space for the window */
+  if (state.window === null) {
+    state.wsize = 1 << state.wbits;
+    state.wnext = 0;
+    state.whave = 0;
+
+    state.window = new utils.Buf8(state.wsize);
+  }
+
+  /* copy state->wsize or less output bytes into the circular window */
+  if (copy >= state.wsize) {
+    utils.arraySet(state.window, src, end - state.wsize, state.wsize, 0);
+    state.wnext = 0;
+    state.whave = state.wsize;
+  }
+  else {
+    dist = state.wsize - state.wnext;
+    if (dist > copy) {
+      dist = copy;
+    }
+    //zmemcpy(state->window + state->wnext, end - copy, dist);
+    utils.arraySet(state.window, src, end - copy, dist, state.wnext);
+    copy -= dist;
+    if (copy) {
+      //zmemcpy(state->window, end - copy, copy);
+      utils.arraySet(state.window, src, end - copy, copy, 0);
+      state.wnext = copy;
+      state.whave = state.wsize;
+    }
+    else {
+      state.wnext += dist;
+      if (state.wnext === state.wsize) { state.wnext = 0; }
+      if (state.whave < state.wsize) { state.whave += dist; }
+    }
+  }
+  return 0;
+}
+
+function inflate(strm, flush) {
+  var state;
+  var input, output;          // input/output buffers
+  var next;                   /* next input INDEX */
+  var put;                    /* next output INDEX */
+  var have, left;             /* available input and output */
+  var hold;                   /* bit buffer */
+  var bits;                   /* bits in bit buffer */
+  var _in, _out;              /* save starting available input and output */
+  var copy;                   /* number of stored or match bytes to copy */
+  var from;                   /* where to copy match bytes from */
+  var from_source;
+  var here = 0;               /* current decoding table entry */
+  var here_bits, here_op, here_val; // paked "here" denormalized (JS specific)
+  //var last;                   /* parent table entry */
+  var last_bits, last_op, last_val; // paked "last" denormalized (JS specific)
+  var len;                    /* length to copy for repeats, bits to drop */
+  var ret;                    /* return code */
+  var hbuf = new utils.Buf8(4);    /* buffer for gzip header crc calculation */
+  var opts;
+
+  var n; // temporary var for NEED_BITS
+
+  var order = /* permutation of code lengths */
+    [ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ];
+
+
+  if (!strm || !strm.state || !strm.output ||
+      (!strm.input && strm.avail_in !== 0)) {
+    return Z_STREAM_ERROR;
+  }
+
+  state = strm.state;
+  if (state.mode === TYPE) { state.mode = TYPEDO; }    /* skip check */
+
+
+  //--- LOAD() ---
+  put = strm.next_out;
+  output = strm.output;
+  left = strm.avail_out;
+  next = strm.next_in;
+  input = strm.input;
+  have = strm.avail_in;
+  hold = state.hold;
+  bits = state.bits;
+  //---
+
+  _in = have;
+  _out = left;
+  ret = Z_OK;
+
+  inf_leave: // goto emulation
+  for (;;) {
+    switch (state.mode) {
+      case HEAD:
+        if (state.wrap === 0) {
+          state.mode = TYPEDO;
+          break;
+        }
+        //=== NEEDBITS(16);
+        while (bits < 16) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        if ((state.wrap & 2) && hold === 0x8b1f) {  /* gzip header */
+          state.check = 0/*crc32(0L, Z_NULL, 0)*/;
+          //=== CRC2(state.check, hold);
+          hbuf[0] = hold & 0xff;
+          hbuf[1] = (hold >>> 8) & 0xff;
+          state.check = crc32(state.check, hbuf, 2, 0);
+          //===//
+
+          //=== INITBITS();
+          hold = 0;
+          bits = 0;
+          //===//
+          state.mode = FLAGS;
+          break;
+        }
+        state.flags = 0;           /* expect zlib header */
+        if (state.head) {
+          state.head.done = false;
+        }
+        if (!(state.wrap & 1) ||   /* check if zlib header allowed */
+          (((hold & 0xff)/*BITS(8)*/ << 8) + (hold >> 8)) % 31) {
+          strm.msg = 'incorrect header check';
+          state.mode = BAD;
+          break;
+        }
+        if ((hold & 0x0f)/*BITS(4)*/ !== Z_DEFLATED) {
+          strm.msg = 'unknown compression method';
+          state.mode = BAD;
+          break;
+        }
+        //--- DROPBITS(4) ---//
+        hold >>>= 4;
+        bits -= 4;
+        //---//
+        len = (hold & 0x0f)/*BITS(4)*/ + 8;
+        if (state.wbits === 0) {
+          state.wbits = len;
+        }
+        else if (len > state.wbits) {
+          strm.msg = 'invalid window size';
+          state.mode = BAD;
+          break;
+        }
+        state.dmax = 1 << len;
+        //Tracev((stderr, "inflate:   zlib header ok\n"));
+        strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
+        state.mode = hold & 0x200 ? DICTID : TYPE;
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        break;
+      case FLAGS:
+        //=== NEEDBITS(16); */
+        while (bits < 16) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        state.flags = hold;
+        if ((state.flags & 0xff) !== Z_DEFLATED) {
+          strm.msg = 'unknown compression method';
+          state.mode = BAD;
+          break;
+        }
+        if (state.flags & 0xe000) {
+          strm.msg = 'unknown header flags set';
+          state.mode = BAD;
+          break;
+        }
+        if (state.head) {
+          state.head.text = ((hold >> 8) & 1);
+        }
+        if (state.flags & 0x0200) {
+          //=== CRC2(state.check, hold);
+          hbuf[0] = hold & 0xff;
+          hbuf[1] = (hold >>> 8) & 0xff;
+          state.check = crc32(state.check, hbuf, 2, 0);
+          //===//
+        }
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        state.mode = TIME;
+        /* falls through */
+      case TIME:
+        //=== NEEDBITS(32); */
+        while (bits < 32) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        if (state.head) {
+          state.head.time = hold;
+        }
+        if (state.flags & 0x0200) {
+          //=== CRC4(state.check, hold)
+          hbuf[0] = hold & 0xff;
+          hbuf[1] = (hold >>> 8) & 0xff;
+          hbuf[2] = (hold >>> 16) & 0xff;
+          hbuf[3] = (hold >>> 24) & 0xff;
+          state.check = crc32(state.check, hbuf, 4, 0);
+          //===
+        }
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        state.mode = OS;
+        /* falls through */
+      case OS:
+        //=== NEEDBITS(16); */
+        while (bits < 16) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        if (state.head) {
+          state.head.xflags = (hold & 0xff);
+          state.head.os = (hold >> 8);
+        }
+        if (state.flags & 0x0200) {
+          //=== CRC2(state.check, hold);
+          hbuf[0] = hold & 0xff;
+          hbuf[1] = (hold >>> 8) & 0xff;
+          state.check = crc32(state.check, hbuf, 2, 0);
+          //===//
+        }
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        state.mode = EXLEN;
+        /* falls through */
+      case EXLEN:
+        if (state.flags & 0x0400) {
+          //=== NEEDBITS(16); */
+          while (bits < 16) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          state.length = hold;
+          if (state.head) {
+            state.head.extra_len = hold;
+          }
+          if (state.flags & 0x0200) {
+            //=== CRC2(state.check, hold);
+            hbuf[0] = hold & 0xff;
+            hbuf[1] = (hold >>> 8) & 0xff;
+            state.check = crc32(state.check, hbuf, 2, 0);
+            //===//
+          }
+          //=== INITBITS();
+          hold = 0;
+          bits = 0;
+          //===//
+        }
+        else if (state.head) {
+          state.head.extra = null/*Z_NULL*/;
+        }
+        state.mode = EXTRA;
+        /* falls through */
+      case EXTRA:
+        if (state.flags & 0x0400) {
+          copy = state.length;
+          if (copy > have) { copy = have; }
+          if (copy) {
+            if (state.head) {
+              len = state.head.extra_len - state.length;
+              if (!state.head.extra) {
+                // Use untyped array for more convenient processing later
+                state.head.extra = new Array(state.head.extra_len);
+              }
+              utils.arraySet(
+                state.head.extra,
+                input,
+                next,
+                // extra field is limited to 65536 bytes
+                // - no need for additional size check
+                copy,
+                /*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/
+                len
+              );
+              //zmemcpy(state.head.extra + len, next,
+              //        len + copy > state.head.extra_max ?
+              //        state.head.extra_max - len : copy);
+            }
+            if (state.flags & 0x0200) {
+              state.check = crc32(state.check, input, copy, next);
+            }
+            have -= copy;
+            next += copy;
+            state.length -= copy;
+          }
+          if (state.length) { break inf_leave; }
+        }
+        state.length = 0;
+        state.mode = NAME;
+        /* falls through */
+      case NAME:
+        if (state.flags & 0x0800) {
+          if (have === 0) { break inf_leave; }
+          copy = 0;
+          do {
+            // TODO: 2 or 1 bytes?
+            len = input[next + copy++];
+            /* use constant limit because in js we should not preallocate memory */
+            if (state.head && len &&
+                (state.length < 65536 /*state.head.name_max*/)) {
+              state.head.name += String.fromCharCode(len);
+            }
+          } while (len && copy < have);
+
+          if (state.flags & 0x0200) {
+            state.check = crc32(state.check, input, copy, next);
+          }
+          have -= copy;
+          next += copy;
+          if (len) { break inf_leave; }
+        }
+        else if (state.head) {
+          state.head.name = null;
+        }
+        state.length = 0;
+        state.mode = COMMENT;
+        /* falls through */
+      case COMMENT:
+        if (state.flags & 0x1000) {
+          if (have === 0) { break inf_leave; }
+          copy = 0;
+          do {
+            len = input[next + copy++];
+            /* use constant limit because in js we should not preallocate memory */
+            if (state.head && len &&
+                (state.length < 65536 /*state.head.comm_max*/)) {
+              state.head.comment += String.fromCharCode(len);
+            }
+          } while (len && copy < have);
+          if (state.flags & 0x0200) {
+            state.check = crc32(state.check, input, copy, next);
+          }
+          have -= copy;
+          next += copy;
+          if (len) { break inf_leave; }
+        }
+        else if (state.head) {
+          state.head.comment = null;
+        }
+        state.mode = HCRC;
+        /* falls through */
+      case HCRC:
+        if (state.flags & 0x0200) {
+          //=== NEEDBITS(16); */
+          while (bits < 16) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          if (hold !== (state.check & 0xffff)) {
+            strm.msg = 'header crc mismatch';
+            state.mode = BAD;
+            break;
+          }
+          //=== INITBITS();
+          hold = 0;
+          bits = 0;
+          //===//
+        }
+        if (state.head) {
+          state.head.hcrc = ((state.flags >> 9) & 1);
+          state.head.done = true;
+        }
+        strm.adler = state.check = 0;
+        state.mode = TYPE;
+        break;
+      case DICTID:
+        //=== NEEDBITS(32); */
+        while (bits < 32) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        strm.adler = state.check = zswap32(hold);
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        state.mode = DICT;
+        /* falls through */
+      case DICT:
+        if (state.havedict === 0) {
+          //--- RESTORE() ---
+          strm.next_out = put;
+          strm.avail_out = left;
+          strm.next_in = next;
+          strm.avail_in = have;
+          state.hold = hold;
+          state.bits = bits;
+          //---
+          return Z_NEED_DICT;
+        }
+        strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
+        state.mode = TYPE;
+        /* falls through */
+      case TYPE:
+        if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; }
+        /* falls through */
+      case TYPEDO:
+        if (state.last) {
+          //--- BYTEBITS() ---//
+          hold >>>= bits & 7;
+          bits -= bits & 7;
+          //---//
+          state.mode = CHECK;
+          break;
+        }
+        //=== NEEDBITS(3); */
+        while (bits < 3) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        state.last = (hold & 0x01)/*BITS(1)*/;
+        //--- DROPBITS(1) ---//
+        hold >>>= 1;
+        bits -= 1;
+        //---//
+
+        switch ((hold & 0x03)/*BITS(2)*/) {
+          case 0:                             /* stored block */
+            //Tracev((stderr, "inflate:     stored block%s\n",
+            //        state.last ? " (last)" : ""));
+            state.mode = STORED;
+            break;
+          case 1:                             /* fixed block */
+            fixedtables(state);
+            //Tracev((stderr, "inflate:     fixed codes block%s\n",
+            //        state.last ? " (last)" : ""));
+            state.mode = LEN_;             /* decode codes */
+            if (flush === Z_TREES) {
+              //--- DROPBITS(2) ---//
+              hold >>>= 2;
+              bits -= 2;
+              //---//
+              break inf_leave;
+            }
+            break;
+          case 2:                             /* dynamic block */
+            //Tracev((stderr, "inflate:     dynamic codes block%s\n",
+            //        state.last ? " (last)" : ""));
+            state.mode = TABLE;
+            break;
+          case 3:
+            strm.msg = 'invalid block type';
+            state.mode = BAD;
+        }
+        //--- DROPBITS(2) ---//
+        hold >>>= 2;
+        bits -= 2;
+        //---//
+        break;
+      case STORED:
+        //--- BYTEBITS() ---// /* go to byte boundary */
+        hold >>>= bits & 7;
+        bits -= bits & 7;
+        //---//
+        //=== NEEDBITS(32); */
+        while (bits < 32) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) {
+          strm.msg = 'invalid stored block lengths';
+          state.mode = BAD;
+          break;
+        }
+        state.length = hold & 0xffff;
+        //Tracev((stderr, "inflate:       stored length %u\n",
+        //        state.length));
+        //=== INITBITS();
+        hold = 0;
+        bits = 0;
+        //===//
+        state.mode = COPY_;
+        if (flush === Z_TREES) { break inf_leave; }
+        /* falls through */
+      case COPY_:
+        state.mode = COPY;
+        /* falls through */
+      case COPY:
+        copy = state.length;
+        if (copy) {
+          if (copy > have) { copy = have; }
+          if (copy > left) { copy = left; }
+          if (copy === 0) { break inf_leave; }
+          //--- zmemcpy(put, next, copy); ---
+          utils.arraySet(output, input, next, copy, put);
+          //---//
+          have -= copy;
+          next += copy;
+          left -= copy;
+          put += copy;
+          state.length -= copy;
+          break;
+        }
+        //Tracev((stderr, "inflate:       stored end\n"));
+        state.mode = TYPE;
+        break;
+      case TABLE:
+        //=== NEEDBITS(14); */
+        while (bits < 14) {
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+        }
+        //===//
+        state.nlen = (hold & 0x1f)/*BITS(5)*/ + 257;
+        //--- DROPBITS(5) ---//
+        hold >>>= 5;
+        bits -= 5;
+        //---//
+        state.ndist = (hold & 0x1f)/*BITS(5)*/ + 1;
+        //--- DROPBITS(5) ---//
+        hold >>>= 5;
+        bits -= 5;
+        //---//
+        state.ncode = (hold & 0x0f)/*BITS(4)*/ + 4;
+        //--- DROPBITS(4) ---//
+        hold >>>= 4;
+        bits -= 4;
+        //---//
+//#ifndef PKZIP_BUG_WORKAROUND
+        if (state.nlen > 286 || state.ndist > 30) {
+          strm.msg = 'too many length or distance symbols';
+          state.mode = BAD;
+          break;
+        }
+//#endif
+        //Tracev((stderr, "inflate:       table sizes ok\n"));
+        state.have = 0;
+        state.mode = LENLENS;
+        /* falls through */
+      case LENLENS:
+        while (state.have < state.ncode) {
+          //=== NEEDBITS(3);
+          while (bits < 3) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          state.lens[order[state.have++]] = (hold & 0x07);//BITS(3);
+          //--- DROPBITS(3) ---//
+          hold >>>= 3;
+          bits -= 3;
+          //---//
+        }
+        while (state.have < 19) {
+          state.lens[order[state.have++]] = 0;
+        }
+        // We have separate tables & no pointers. 2 commented lines below not needed.
+        //state.next = state.codes;
+        //state.lencode = state.next;
+        // Switch to use dynamic table
+        state.lencode = state.lendyn;
+        state.lenbits = 7;
+
+        opts = { bits: state.lenbits };
+        ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
+        state.lenbits = opts.bits;
+
+        if (ret) {
+          strm.msg = 'invalid code lengths set';
+          state.mode = BAD;
+          break;
+        }
+        //Tracev((stderr, "inflate:       code lengths ok\n"));
+        state.have = 0;
+        state.mode = CODELENS;
+        /* falls through */
+      case CODELENS:
+        while (state.have < state.nlen + state.ndist) {
+          for (;;) {
+            here = state.lencode[hold & ((1 << state.lenbits) - 1)];/*BITS(state.lenbits)*/
+            here_bits = here >>> 24;
+            here_op = (here >>> 16) & 0xff;
+            here_val = here & 0xffff;
+
+            if ((here_bits) <= bits) { break; }
+            //--- PULLBYTE() ---//
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+            //---//
+          }
+          if (here_val < 16) {
+            //--- DROPBITS(here.bits) ---//
+            hold >>>= here_bits;
+            bits -= here_bits;
+            //---//
+            state.lens[state.have++] = here_val;
+          }
+          else {
+            if (here_val === 16) {
+              //=== NEEDBITS(here.bits + 2);
+              n = here_bits + 2;
+              while (bits < n) {
+                if (have === 0) { break inf_leave; }
+                have--;
+                hold += input[next++] << bits;
+                bits += 8;
+              }
+              //===//
+              //--- DROPBITS(here.bits) ---//
+              hold >>>= here_bits;
+              bits -= here_bits;
+              //---//
+              if (state.have === 0) {
+                strm.msg = 'invalid bit length repeat';
+                state.mode = BAD;
+                break;
+              }
+              len = state.lens[state.have - 1];
+              copy = 3 + (hold & 0x03);//BITS(2);
+              //--- DROPBITS(2) ---//
+              hold >>>= 2;
+              bits -= 2;
+              //---//
+            }
+            else if (here_val === 17) {
+              //=== NEEDBITS(here.bits + 3);
+              n = here_bits + 3;
+              while (bits < n) {
+                if (have === 0) { break inf_leave; }
+                have--;
+                hold += input[next++] << bits;
+                bits += 8;
+              }
+              //===//
+              //--- DROPBITS(here.bits) ---//
+              hold >>>= here_bits;
+              bits -= here_bits;
+              //---//
+              len = 0;
+              copy = 3 + (hold & 0x07);//BITS(3);
+              //--- DROPBITS(3) ---//
+              hold >>>= 3;
+              bits -= 3;
+              //---//
+            }
+            else {
+              //=== NEEDBITS(here.bits + 7);
+              n = here_bits + 7;
+              while (bits < n) {
+                if (have === 0) { break inf_leave; }
+                have--;
+                hold += input[next++] << bits;
+                bits += 8;
+              }
+              //===//
+              //--- DROPBITS(here.bits) ---//
+              hold >>>= here_bits;
+              bits -= here_bits;
+              //---//
+              len = 0;
+              copy = 11 + (hold & 0x7f);//BITS(7);
+              //--- DROPBITS(7) ---//
+              hold >>>= 7;
+              bits -= 7;
+              //---//
+            }
+            if (state.have + copy > state.nlen + state.ndist) {
+              strm.msg = 'invalid bit length repeat';
+              state.mode = BAD;
+              break;
+            }
+            while (copy--) {
+              state.lens[state.have++] = len;
+            }
+          }
+        }
+
+        /* handle error breaks in while */
+        if (state.mode === BAD) { break; }
+
+        /* check for end-of-block code (better have one) */
+        if (state.lens[256] === 0) {
+          strm.msg = 'invalid code -- missing end-of-block';
+          state.mode = BAD;
+          break;
+        }
+
+        /* build code tables -- note: do not change the lenbits or distbits
+           values here (9 and 6) without reading the comments in inftrees.h
+           concerning the ENOUGH constants, which depend on those values */
+        state.lenbits = 9;
+
+        opts = { bits: state.lenbits };
+        ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
+        // We have separate tables & no pointers. 2 commented lines below not needed.
+        // state.next_index = opts.table_index;
+        state.lenbits = opts.bits;
+        // state.lencode = state.next;
+
+        if (ret) {
+          strm.msg = 'invalid literal/lengths set';
+          state.mode = BAD;
+          break;
+        }
+
+        state.distbits = 6;
+        //state.distcode.copy(state.codes);
+        // Switch to use dynamic table
+        state.distcode = state.distdyn;
+        opts = { bits: state.distbits };
+        ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
+        // We have separate tables & no pointers. 2 commented lines below not needed.
+        // state.next_index = opts.table_index;
+        state.distbits = opts.bits;
+        // state.distcode = state.next;
+
+        if (ret) {
+          strm.msg = 'invalid distances set';
+          state.mode = BAD;
+          break;
+        }
+        //Tracev((stderr, 'inflate:       codes ok\n'));
+        state.mode = LEN_;
+        if (flush === Z_TREES) { break inf_leave; }
+        /* falls through */
+      case LEN_:
+        state.mode = LEN;
+        /* falls through */
+      case LEN:
+        if (have >= 6 && left >= 258) {
+          //--- RESTORE() ---
+          strm.next_out = put;
+          strm.avail_out = left;
+          strm.next_in = next;
+          strm.avail_in = have;
+          state.hold = hold;
+          state.bits = bits;
+          //---
+          inflate_fast(strm, _out);
+          //--- LOAD() ---
+          put = strm.next_out;
+          output = strm.output;
+          left = strm.avail_out;
+          next = strm.next_in;
+          input = strm.input;
+          have = strm.avail_in;
+          hold = state.hold;
+          bits = state.bits;
+          //---
+
+          if (state.mode === TYPE) {
+            state.back = -1;
+          }
+          break;
+        }
+        state.back = 0;
+        for (;;) {
+          here = state.lencode[hold & ((1 << state.lenbits) - 1)];  /*BITS(state.lenbits)*/
+          here_bits = here >>> 24;
+          here_op = (here >>> 16) & 0xff;
+          here_val = here & 0xffff;
+
+          if (here_bits <= bits) { break; }
+          //--- PULLBYTE() ---//
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+          //---//
+        }
+        if (here_op && (here_op & 0xf0) === 0) {
+          last_bits = here_bits;
+          last_op = here_op;
+          last_val = here_val;
+          for (;;) {
+            here = state.lencode[last_val +
+                    ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+            here_bits = here >>> 24;
+            here_op = (here >>> 16) & 0xff;
+            here_val = here & 0xffff;
+
+            if ((last_bits + here_bits) <= bits) { break; }
+            //--- PULLBYTE() ---//
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+            //---//
+          }
+          //--- DROPBITS(last.bits) ---//
+          hold >>>= last_bits;
+          bits -= last_bits;
+          //---//
+          state.back += last_bits;
+        }
+        //--- DROPBITS(here.bits) ---//
+        hold >>>= here_bits;
+        bits -= here_bits;
+        //---//
+        state.back += here_bits;
+        state.length = here_val;
+        if (here_op === 0) {
+          //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
+          //        "inflate:         literal '%c'\n" :
+          //        "inflate:         literal 0x%02x\n", here.val));
+          state.mode = LIT;
+          break;
+        }
+        if (here_op & 32) {
+          //Tracevv((stderr, "inflate:         end of block\n"));
+          state.back = -1;
+          state.mode = TYPE;
+          break;
+        }
+        if (here_op & 64) {
+          strm.msg = 'invalid literal/length code';
+          state.mode = BAD;
+          break;
+        }
+        state.extra = here_op & 15;
+        state.mode = LENEXT;
+        /* falls through */
+      case LENEXT:
+        if (state.extra) {
+          //=== NEEDBITS(state.extra);
+          n = state.extra;
+          while (bits < n) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
+          //--- DROPBITS(state.extra) ---//
+          hold >>>= state.extra;
+          bits -= state.extra;
+          //---//
+          state.back += state.extra;
+        }
+        //Tracevv((stderr, "inflate:         length %u\n", state.length));
+        state.was = state.length;
+        state.mode = DIST;
+        /* falls through */
+      case DIST:
+        for (;;) {
+          here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/
+          here_bits = here >>> 24;
+          here_op = (here >>> 16) & 0xff;
+          here_val = here & 0xffff;
+
+          if ((here_bits) <= bits) { break; }
+          //--- PULLBYTE() ---//
+          if (have === 0) { break inf_leave; }
+          have--;
+          hold += input[next++] << bits;
+          bits += 8;
+          //---//
+        }
+        if ((here_op & 0xf0) === 0) {
+          last_bits = here_bits;
+          last_op = here_op;
+          last_val = here_val;
+          for (;;) {
+            here = state.distcode[last_val +
+                    ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+            here_bits = here >>> 24;
+            here_op = (here >>> 16) & 0xff;
+            here_val = here & 0xffff;
+
+            if ((last_bits + here_bits) <= bits) { break; }
+            //--- PULLBYTE() ---//
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+            //---//
+          }
+          //--- DROPBITS(last.bits) ---//
+          hold >>>= last_bits;
+          bits -= last_bits;
+          //---//
+          state.back += last_bits;
+        }
+        //--- DROPBITS(here.bits) ---//
+        hold >>>= here_bits;
+        bits -= here_bits;
+        //---//
+        state.back += here_bits;
+        if (here_op & 64) {
+          strm.msg = 'invalid distance code';
+          state.mode = BAD;
+          break;
+        }
+        state.offset = here_val;
+        state.extra = (here_op) & 15;
+        state.mode = DISTEXT;
+        /* falls through */
+      case DISTEXT:
+        if (state.extra) {
+          //=== NEEDBITS(state.extra);
+          n = state.extra;
+          while (bits < n) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
+          //--- DROPBITS(state.extra) ---//
+          hold >>>= state.extra;
+          bits -= state.extra;
+          //---//
+          state.back += state.extra;
+        }
+//#ifdef INFLATE_STRICT
+        if (state.offset > state.dmax) {
+          strm.msg = 'invalid distance too far back';
+          state.mode = BAD;
+          break;
+        }
+//#endif
+        //Tracevv((stderr, "inflate:         distance %u\n", state.offset));
+        state.mode = MATCH;
+        /* falls through */
+      case MATCH:
+        if (left === 0) { break inf_leave; }
+        copy = _out - left;
+        if (state.offset > copy) {         /* copy from window */
+          copy = state.offset - copy;
+          if (copy > state.whave) {
+            if (state.sane) {
+              strm.msg = 'invalid distance too far back';
+              state.mode = BAD;
+              break;
+            }
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
+//          Trace((stderr, "inflate.c too far\n"));
+//          copy -= state.whave;
+//          if (copy > state.length) { copy = state.length; }
+//          if (copy > left) { copy = left; }
+//          left -= copy;
+//          state.length -= copy;
+//          do {
+//            output[put++] = 0;
+//          } while (--copy);
+//          if (state.length === 0) { state.mode = LEN; }
+//          break;
+//#endif
+          }
+          if (copy > state.wnext) {
+            copy -= state.wnext;
+            from = state.wsize - copy;
+          }
+          else {
+            from = state.wnext - copy;
+          }
+          if (copy > state.length) { copy = state.length; }
+          from_source = state.window;
+        }
+        else {                              /* copy from output */
+          from_source = output;
+          from = put - state.offset;
+          copy = state.length;
+        }
+        if (copy > left) { copy = left; }
+        left -= copy;
+        state.length -= copy;
+        do {
+          output[put++] = from_source[from++];
+        } while (--copy);
+        if (state.length === 0) { state.mode = LEN; }
+        break;
+      case LIT:
+        if (left === 0) { break inf_leave; }
+        output[put++] = state.length;
+        left--;
+        state.mode = LEN;
+        break;
+      case CHECK:
+        if (state.wrap) {
+          //=== NEEDBITS(32);
+          while (bits < 32) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            // Use '|' instead of '+' to make sure that result is signed
+            hold |= input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          _out -= left;
+          strm.total_out += _out;
+          state.total += _out;
+          if (_out) {
+            strm.adler = state.check =
+                /*UPDATE(state.check, put - _out, _out);*/
+                (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out));
+
+          }
+          _out = left;
+          // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too
+          if ((state.flags ? hold : zswap32(hold)) !== state.check) {
+            strm.msg = 'incorrect data check';
+            state.mode = BAD;
+            break;
+          }
+          //=== INITBITS();
+          hold = 0;
+          bits = 0;
+          //===//
+          //Tracev((stderr, "inflate:   check matches trailer\n"));
+        }
+        state.mode = LENGTH;
+        /* falls through */
+      case LENGTH:
+        if (state.wrap && state.flags) {
+          //=== NEEDBITS(32);
+          while (bits < 32) {
+            if (have === 0) { break inf_leave; }
+            have--;
+            hold += input[next++] << bits;
+            bits += 8;
+          }
+          //===//
+          if (hold !== (state.total & 0xffffffff)) {
+            strm.msg = 'incorrect length check';
+            state.mode = BAD;
+            break;
+          }
+          //=== INITBITS();
+          hold = 0;
+          bits = 0;
+          //===//
+          //Tracev((stderr, "inflate:   length matches trailer\n"));
+        }
+        state.mode = DONE;
+        /* falls through */
+      case DONE:
+        ret = Z_STREAM_END;
+        break inf_leave;
+      case BAD:
+        ret = Z_DATA_ERROR;
+        break inf_leave;
+      case MEM:
+        return Z_MEM_ERROR;
+      case SYNC:
+        /* falls through */
+      default:
+        return Z_STREAM_ERROR;
+    }
+  }
+
+  // inf_leave <- here is real place for "goto inf_leave", emulated via "break inf_leave"
+
+  /*
+     Return from inflate(), updating the total counts and the check value.
+     If there was no progress during the inflate() call, return a buffer
+     error.  Call updatewindow() to create and/or update the window state.
+     Note: a memory error from inflate() is non-recoverable.
+   */
+
+  //--- RESTORE() ---
+  strm.next_out = put;
+  strm.avail_out = left;
+  strm.next_in = next;
+  strm.avail_in = have;
+  state.hold = hold;
+  state.bits = bits;
+  //---
+
+  if (state.wsize || (_out !== strm.avail_out && state.mode < BAD &&
+                      (state.mode < CHECK || flush !== Z_FINISH))) {
+    if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
+      state.mode = MEM;
+      return Z_MEM_ERROR;
+    }
+  }
+  _in -= strm.avail_in;
+  _out -= strm.avail_out;
+  strm.total_in += _in;
+  strm.total_out += _out;
+  state.total += _out;
+  if (state.wrap && _out) {
+    strm.adler = state.check = /*UPDATE(state.check, strm.next_out - _out, _out);*/
+      (state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out));
+  }
+  strm.data_type = state.bits + (state.last ? 64 : 0) +
+                    (state.mode === TYPE ? 128 : 0) +
+                    (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
+  if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) {
+    ret = Z_BUF_ERROR;
+  }
+  return ret;
+}
+
+function inflateEnd(strm) {
+
+  if (!strm || !strm.state /*|| strm->zfree == (free_func)0*/) {
+    return Z_STREAM_ERROR;
+  }
+
+  var state = strm.state;
+  if (state.window) {
+    state.window = null;
+  }
+  strm.state = null;
+  return Z_OK;
+}
+
+function inflateGetHeader(strm, head) {
+  var state;
+
+  /* check state */
+  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+  state = strm.state;
+  if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; }
+
+  /* save header structure */
+  state.head = head;
+  head.done = false;
+  return Z_OK;
+}
+
+function inflateSetDictionary(strm, dictionary) {
+  var dictLength = dictionary.length;
+
+  var state;
+  var dictid;
+  var ret;
+
+  /* check state */
+  if (!strm /* == Z_NULL */ || !strm.state /* == Z_NULL */) { return Z_STREAM_ERROR; }
+  state = strm.state;
+
+  if (state.wrap !== 0 && state.mode !== DICT) {
+    return Z_STREAM_ERROR;
+  }
+
+  /* check for correct dictionary identifier */
+  if (state.mode === DICT) {
+    dictid = 1; /* adler32(0, null, 0)*/
+    /* dictid = adler32(dictid, dictionary, dictLength); */
+    dictid = adler32(dictid, dictionary, dictLength, 0);
+    if (dictid !== state.check) {
+      return Z_DATA_ERROR;
+    }
+  }
+  /* copy dictionary to window using updatewindow(), which will amend the
+   existing dictionary if appropriate */
+  ret = updatewindow(strm, dictionary, dictLength, dictLength);
+  if (ret) {
+    state.mode = MEM;
+    return Z_MEM_ERROR;
+  }
+  state.havedict = 1;
+  // Tracev((stderr, "inflate:   dictionary set\n"));
+  return Z_OK;
+}
+
+exports.inflateReset = inflateReset;
+exports.inflateReset2 = inflateReset2;
+exports.inflateResetKeep = inflateResetKeep;
+exports.inflateInit = inflateInit;
+exports.inflateInit2 = inflateInit2;
+exports.inflate = inflate;
+exports.inflateEnd = inflateEnd;
+exports.inflateGetHeader = inflateGetHeader;
+exports.inflateSetDictionary = inflateSetDictionary;
+exports.inflateInfo = 'pako inflate (from Nodeca project)';
+
+/* Not implemented
+exports.inflateCopy = inflateCopy;
+exports.inflateGetDictionary = inflateGetDictionary;
+exports.inflateMark = inflateMark;
+exports.inflatePrime = inflatePrime;
+exports.inflateSync = inflateSync;
+exports.inflateSyncPoint = inflateSyncPoint;
+exports.inflateUndermine = inflateUndermine;
+*/
diff --git a/node_modules/pako/lib/zlib/inftrees.js b/node_modules/pako/lib/zlib/inftrees.js
new file mode 100644
index 00000000..ec4e4e90
--- /dev/null
+++ b/node_modules/pako/lib/zlib/inftrees.js
@@ -0,0 +1,343 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils = require('../utils/common');
+
+var MAXBITS = 15;
+var ENOUGH_LENS = 852;
+var ENOUGH_DISTS = 592;
+//var ENOUGH = (ENOUGH_LENS+ENOUGH_DISTS);
+
+var CODES = 0;
+var LENS = 1;
+var DISTS = 2;
+
+var lbase = [ /* Length codes 257..285 base */
+  3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
+  35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
+];
+
+var lext = [ /* Length codes 257..285 extra */
+  16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
+  19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
+];
+
+var dbase = [ /* Distance codes 0..29 base */
+  1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
+  257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
+  8193, 12289, 16385, 24577, 0, 0
+];
+
+var dext = [ /* Distance codes 0..29 extra */
+  16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
+  23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
+  28, 28, 29, 29, 64, 64
+];
+
+module.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts)
+{
+  var bits = opts.bits;
+      //here = opts.here; /* table entry for duplication */
+
+  var len = 0;               /* a code's length in bits */
+  var sym = 0;               /* index of code symbols */
+  var min = 0, max = 0;          /* minimum and maximum code lengths */
+  var root = 0;              /* number of index bits for root table */
+  var curr = 0;              /* number of index bits for current table */
+  var drop = 0;              /* code bits to drop for sub-table */
+  var left = 0;                   /* number of prefix codes available */
+  var used = 0;              /* code entries in table used */
+  var huff = 0;              /* Huffman code */
+  var incr;              /* for incrementing code, index */
+  var fill;              /* index for replicating entries */
+  var low;               /* low bits for current root entry */
+  var mask;              /* mask for low root bits */
+  var next;             /* next available space in table */
+  var base = null;     /* base value table to use */
+  var base_index = 0;
+//  var shoextra;    /* extra bits table to use */
+  var end;                    /* use base and extra for symbol > end */
+  var count = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];    /* number of codes of each length */
+  var offs = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];     /* offsets in table for each length */
+  var extra = null;
+  var extra_index = 0;
+
+  var here_bits, here_op, here_val;
+
+  /*
+   Process a set of code lengths to create a canonical Huffman code.  The
+   code lengths are lens[0..codes-1].  Each length corresponds to the
+   symbols 0..codes-1.  The Huffman code is generated by first sorting the
+   symbols by length from short to long, and retaining the symbol order
+   for codes with equal lengths.  Then the code starts with all zero bits
+   for the first code of the shortest length, and the codes are integer
+   increments for the same length, and zeros are appended as the length
+   increases.  For the deflate format, these bits are stored backwards
+   from their more natural integer increment ordering, and so when the
+   decoding tables are built in the large loop below, the integer codes
+   are incremented backwards.
+
+   This routine assumes, but does not check, that all of the entries in
+   lens[] are in the range 0..MAXBITS.  The caller must assure this.
+   1..MAXBITS is interpreted as that code length.  zero means that that
+   symbol does not occur in this code.
+
+   The codes are sorted by computing a count of codes for each length,
+   creating from that a table of starting indices for each length in the
+   sorted table, and then entering the symbols in order in the sorted
+   table.  The sorted table is work[], with that space being provided by
+   the caller.
+
+   The length counts are used for other purposes as well, i.e. finding
+   the minimum and maximum length codes, determining if there are any
+   codes at all, checking for a valid set of lengths, and looking ahead
+   at length counts to determine sub-table sizes when building the
+   decoding tables.
+   */
+
+  /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
+  for (len = 0; len <= MAXBITS; len++) {
+    count[len] = 0;
+  }
+  for (sym = 0; sym < codes; sym++) {
+    count[lens[lens_index + sym]]++;
+  }
+
+  /* bound code lengths, force root to be within code lengths */
+  root = bits;
+  for (max = MAXBITS; max >= 1; max--) {
+    if (count[max] !== 0) { break; }
+  }
+  if (root > max) {
+    root = max;
+  }
+  if (max === 0) {                     /* no symbols to code at all */
+    //table.op[opts.table_index] = 64;  //here.op = (var char)64;    /* invalid code marker */
+    //table.bits[opts.table_index] = 1;   //here.bits = (var char)1;
+    //table.val[opts.table_index++] = 0;   //here.val = (var short)0;
+    table[table_index++] = (1 << 24) | (64 << 16) | 0;
+
+
+    //table.op[opts.table_index] = 64;
+    //table.bits[opts.table_index] = 1;
+    //table.val[opts.table_index++] = 0;
+    table[table_index++] = (1 << 24) | (64 << 16) | 0;
+
+    opts.bits = 1;
+    return 0;     /* no symbols, but wait for decoding to report error */
+  }
+  for (min = 1; min < max; min++) {
+    if (count[min] !== 0) { break; }
+  }
+  if (root < min) {
+    root = min;
+  }
+
+  /* check for an over-subscribed or incomplete set of lengths */
+  left = 1;
+  for (len = 1; len <= MAXBITS; len++) {
+    left <<= 1;
+    left -= count[len];
+    if (left < 0) {
+      return -1;
+    }        /* over-subscribed */
+  }
+  if (left > 0 && (type === CODES || max !== 1)) {
+    return -1;                      /* incomplete set */
+  }
+
+  /* generate offsets into symbol table for each length for sorting */
+  offs[1] = 0;
+  for (len = 1; len < MAXBITS; len++) {
+    offs[len + 1] = offs[len] + count[len];
+  }
+
+  /* sort symbols by length, by symbol order within each length */
+  for (sym = 0; sym < codes; sym++) {
+    if (lens[lens_index + sym] !== 0) {
+      work[offs[lens[lens_index + sym]]++] = sym;
+    }
+  }
+
+  /*
+   Create and fill in decoding tables.  In this loop, the table being
+   filled is at next and has curr index bits.  The code being used is huff
+   with length len.  That code is converted to an index by dropping drop
+   bits off of the bottom.  For codes where len is less than drop + curr,
+   those top drop + curr - len bits are incremented through all values to
+   fill the table with replicated entries.
+
+   root is the number of index bits for the root table.  When len exceeds
+   root, sub-tables are created pointed to by the root entry with an index
+   of the low root bits of huff.  This is saved in low to check for when a
+   new sub-table should be started.  drop is zero when the root table is
+   being filled, and drop is root when sub-tables are being filled.
+
+   When a new sub-table is needed, it is necessary to look ahead in the
+   code lengths to determine what size sub-table is needed.  The length
+   counts are used for this, and so count[] is decremented as codes are
+   entered in the tables.
+
+   used keeps track of how many table entries have been allocated from the
+   provided *table space.  It is checked for LENS and DIST tables against
+   the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in
+   the initial root table size constants.  See the comments in inftrees.h
+   for more information.
+
+   sym increments through all symbols, and the loop terminates when
+   all codes of length max, i.e. all codes, have been processed.  This
+   routine permits incomplete codes, so another loop after this one fills
+   in the rest of the decoding tables with invalid code markers.
+   */
+
+  /* set up for code type */
+  // poor man optimization - use if-else instead of switch,
+  // to avoid deopts in old v8
+  if (type === CODES) {
+    base = extra = work;    /* dummy value--not used */
+    end = 19;
+
+  } else if (type === LENS) {
+    base = lbase;
+    base_index -= 257;
+    extra = lext;
+    extra_index -= 257;
+    end = 256;
+
+  } else {                    /* DISTS */
+    base = dbase;
+    extra = dext;
+    end = -1;
+  }
+
+  /* initialize opts for loop */
+  huff = 0;                   /* starting code */
+  sym = 0;                    /* starting code symbol */
+  len = min;                  /* starting code length */
+  next = table_index;              /* current table to fill in */
+  curr = root;                /* current table index bits */
+  drop = 0;                   /* current bits to drop from code for index */
+  low = -1;                   /* trigger new sub-table when len > root */
+  used = 1 << root;          /* use root table entries */
+  mask = used - 1;            /* mask for comparing low */
+
+  /* check available table space */
+  if ((type === LENS && used > ENOUGH_LENS) ||
+    (type === DISTS && used > ENOUGH_DISTS)) {
+    return 1;
+  }
+
+  /* process all codes and make table entries */
+  for (;;) {
+    /* create table entry */
+    here_bits = len - drop;
+    if (work[sym] < end) {
+      here_op = 0;
+      here_val = work[sym];
+    }
+    else if (work[sym] > end) {
+      here_op = extra[extra_index + work[sym]];
+      here_val = base[base_index + work[sym]];
+    }
+    else {
+      here_op = 32 + 64;         /* end of block */
+      here_val = 0;
+    }
+
+    /* replicate for those indices with low len bits equal to huff */
+    incr = 1 << (len - drop);
+    fill = 1 << curr;
+    min = fill;                 /* save offset to next table */
+    do {
+      fill -= incr;
+      table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val |0;
+    } while (fill !== 0);
+
+    /* backwards increment the len-bit code huff */
+    incr = 1 << (len - 1);
+    while (huff & incr) {
+      incr >>= 1;
+    }
+    if (incr !== 0) {
+      huff &= incr - 1;
+      huff += incr;
+    } else {
+      huff = 0;
+    }
+
+    /* go to next symbol, update count, len */
+    sym++;
+    if (--count[len] === 0) {
+      if (len === max) { break; }
+      len = lens[lens_index + work[sym]];
+    }
+
+    /* create new sub-table if needed */
+    if (len > root && (huff & mask) !== low) {
+      /* if first time, transition to sub-tables */
+      if (drop === 0) {
+        drop = root;
+      }
+
+      /* increment past last table */
+      next += min;            /* here min is 1 << curr */
+
+      /* determine length of next table */
+      curr = len - drop;
+      left = 1 << curr;
+      while (curr + drop < max) {
+        left -= count[curr + drop];
+        if (left <= 0) { break; }
+        curr++;
+        left <<= 1;
+      }
+
+      /* check for enough space */
+      used += 1 << curr;
+      if ((type === LENS && used > ENOUGH_LENS) ||
+        (type === DISTS && used > ENOUGH_DISTS)) {
+        return 1;
+      }
+
+      /* point entry in root table to sub-table */
+      low = huff & mask;
+      /*table.op[low] = curr;
+      table.bits[low] = root;
+      table.val[low] = next - opts.table_index;*/
+      table[low] = (root << 24) | (curr << 16) | (next - table_index) |0;
+    }
+  }
+
+  /* fill in remaining table entry if code is incomplete (guaranteed to have
+   at most one remaining entry, since if the code is incomplete, the
+   maximum code length that was allowed to get this far is one bit) */
+  if (huff !== 0) {
+    //table.op[next + huff] = 64;            /* invalid code marker */
+    //table.bits[next + huff] = len - drop;
+    //table.val[next + huff] = 0;
+    table[next + huff] = ((len - drop) << 24) | (64 << 16) |0;
+  }
+
+  /* set return parameters */
+  //opts.table_index += used;
+  opts.bits = root;
+  return 0;
+};
diff --git a/node_modules/pako/lib/zlib/messages.js b/node_modules/pako/lib/zlib/messages.js
new file mode 100644
index 00000000..426daec6
--- /dev/null
+++ b/node_modules/pako/lib/zlib/messages.js
@@ -0,0 +1,32 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+module.exports = {
+  2:      'need dictionary',     /* Z_NEED_DICT       2  */
+  1:      'stream end',          /* Z_STREAM_END      1  */
+  0:      '',                    /* Z_OK              0  */
+  '-1':   'file error',          /* Z_ERRNO         (-1) */
+  '-2':   'stream error',        /* Z_STREAM_ERROR  (-2) */
+  '-3':   'data error',          /* Z_DATA_ERROR    (-3) */
+  '-4':   'insufficient memory', /* Z_MEM_ERROR     (-4) */
+  '-5':   'buffer error',        /* Z_BUF_ERROR     (-5) */
+  '-6':   'incompatible version' /* Z_VERSION_ERROR (-6) */
+};
diff --git a/node_modules/pako/lib/zlib/trees.js b/node_modules/pako/lib/zlib/trees.js
new file mode 100644
index 00000000..aaf15dba
--- /dev/null
+++ b/node_modules/pako/lib/zlib/trees.js
@@ -0,0 +1,1222 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+/* eslint-disable space-unary-ops */
+
+var utils = require('../utils/common');
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+//var Z_FILTERED          = 1;
+//var Z_HUFFMAN_ONLY      = 2;
+//var Z_RLE               = 3;
+var Z_FIXED               = 4;
+//var Z_DEFAULT_STRATEGY  = 0;
+
+/* Possible values of the data_type field (though see inflate()) */
+var Z_BINARY              = 0;
+var Z_TEXT                = 1;
+//var Z_ASCII             = 1; // = Z_TEXT
+var Z_UNKNOWN             = 2;
+
+/*============================================================================*/
+
+
+function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
+
+// From zutil.h
+
+var STORED_BLOCK = 0;
+var STATIC_TREES = 1;
+var DYN_TREES    = 2;
+/* The three kinds of block type */
+
+var MIN_MATCH    = 3;
+var MAX_MATCH    = 258;
+/* The minimum and maximum match lengths */
+
+// From deflate.h
+/* ===========================================================================
+ * Internal compression state.
+ */
+
+var LENGTH_CODES  = 29;
+/* number of length codes, not counting the special END_BLOCK code */
+
+var LITERALS      = 256;
+/* number of literal bytes 0..255 */
+
+var L_CODES       = LITERALS + 1 + LENGTH_CODES;
+/* number of Literal or Length codes, including the END_BLOCK code */
+
+var D_CODES       = 30;
+/* number of distance codes */
+
+var BL_CODES      = 19;
+/* number of codes used to transfer the bit lengths */
+
+var HEAP_SIZE     = 2 * L_CODES + 1;
+/* maximum heap size */
+
+var MAX_BITS      = 15;
+/* All codes must not exceed MAX_BITS bits */
+
+var Buf_size      = 16;
+/* size of bit buffer in bi_buf */
+
+
+/* ===========================================================================
+ * Constants
+ */
+
+var MAX_BL_BITS = 7;
+/* Bit length codes must not exceed MAX_BL_BITS bits */
+
+var END_BLOCK   = 256;
+/* end of block literal code */
+
+var REP_3_6     = 16;
+/* repeat previous bit length 3-6 times (2 bits of repeat count) */
+
+var REPZ_3_10   = 17;
+/* repeat a zero length 3-10 times  (3 bits of repeat count) */
+
+var REPZ_11_138 = 18;
+/* repeat a zero length 11-138 times  (7 bits of repeat count) */
+
+/* eslint-disable comma-spacing,array-bracket-spacing */
+var extra_lbits =   /* extra bits for each length code */
+  [0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];
+
+var extra_dbits =   /* extra bits for each distance code */
+  [0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];
+
+var extra_blbits =  /* extra bits for each bit length code */
+  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];
+
+var bl_order =
+  [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
+/* eslint-enable comma-spacing,array-bracket-spacing */
+
+/* The lengths of the bit length codes are sent in order of decreasing
+ * probability, to avoid transmitting the lengths for unused bit length codes.
+ */
+
+/* ===========================================================================
+ * Local data. These are initialized only once.
+ */
+
+// We pre-fill arrays with 0 to avoid uninitialized gaps
+
+var DIST_CODE_LEN = 512; /* see definition of array dist_code below */
+
+// !!!! Use flat array instead of structure, Freq = i*2, Len = i*2+1
+var static_ltree  = new Array((L_CODES + 2) * 2);
+zero(static_ltree);
+/* The static literal tree. Since the bit lengths are imposed, there is no
+ * need for the L_CODES extra codes used during heap construction. However
+ * The codes 286 and 287 are needed to build a canonical tree (see _tr_init
+ * below).
+ */
+
+var static_dtree  = new Array(D_CODES * 2);
+zero(static_dtree);
+/* The static distance tree. (Actually a trivial tree since all codes use
+ * 5 bits.)
+ */
+
+var _dist_code    = new Array(DIST_CODE_LEN);
+zero(_dist_code);
+/* Distance codes. The first 256 values correspond to the distances
+ * 3 .. 258, the last 256 values correspond to the top 8 bits of
+ * the 15 bit distances.
+ */
+
+var _length_code  = new Array(MAX_MATCH - MIN_MATCH + 1);
+zero(_length_code);
+/* length code for each normalized match length (0 == MIN_MATCH) */
+
+var base_length   = new Array(LENGTH_CODES);
+zero(base_length);
+/* First normalized length for each code (0 = MIN_MATCH) */
+
+var base_dist     = new Array(D_CODES);
+zero(base_dist);
+/* First normalized distance for each code (0 = distance of 1) */
+
+
+function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) {
+
+  this.static_tree  = static_tree;  /* static tree or NULL */
+  this.extra_bits   = extra_bits;   /* extra bits for each code or NULL */
+  this.extra_base   = extra_base;   /* base index for extra_bits */
+  this.elems        = elems;        /* max number of elements in the tree */
+  this.max_length   = max_length;   /* max bit length for the codes */
+
+  // show if `static_tree` has data or dummy - needed for monomorphic objects
+  this.has_stree    = static_tree && static_tree.length;
+}
+
+
+var static_l_desc;
+var static_d_desc;
+var static_bl_desc;
+
+
+function TreeDesc(dyn_tree, stat_desc) {
+  this.dyn_tree = dyn_tree;     /* the dynamic tree */
+  this.max_code = 0;            /* largest code with non zero frequency */
+  this.stat_desc = stat_desc;   /* the corresponding static tree */
+}
+
+
+
+function d_code(dist) {
+  return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
+}
+
+
+/* ===========================================================================
+ * Output a short LSB first on the stream.
+ * IN assertion: there is enough room in pendingBuf.
+ */
+function put_short(s, w) {
+//    put_byte(s, (uch)((w) & 0xff));
+//    put_byte(s, (uch)((ush)(w) >> 8));
+  s.pending_buf[s.pending++] = (w) & 0xff;
+  s.pending_buf[s.pending++] = (w >>> 8) & 0xff;
+}
+
+
+/* ===========================================================================
+ * Send a value on a given number of bits.
+ * IN assertion: length <= 16 and value fits in length bits.
+ */
+function send_bits(s, value, length) {
+  if (s.bi_valid > (Buf_size - length)) {
+    s.bi_buf |= (value << s.bi_valid) & 0xffff;
+    put_short(s, s.bi_buf);
+    s.bi_buf = value >> (Buf_size - s.bi_valid);
+    s.bi_valid += length - Buf_size;
+  } else {
+    s.bi_buf |= (value << s.bi_valid) & 0xffff;
+    s.bi_valid += length;
+  }
+}
+
+
+function send_code(s, c, tree) {
+  send_bits(s, tree[c * 2]/*.Code*/, tree[c * 2 + 1]/*.Len*/);
+}
+
+
+/* ===========================================================================
+ * Reverse the first len bits of a code, using straightforward code (a faster
+ * method would use a table)
+ * IN assertion: 1 <= len <= 15
+ */
+function bi_reverse(code, len) {
+  var res = 0;
+  do {
+    res |= code & 1;
+    code >>>= 1;
+    res <<= 1;
+  } while (--len > 0);
+  return res >>> 1;
+}
+
+
+/* ===========================================================================
+ * Flush the bit buffer, keeping at most 7 bits in it.
+ */
+function bi_flush(s) {
+  if (s.bi_valid === 16) {
+    put_short(s, s.bi_buf);
+    s.bi_buf = 0;
+    s.bi_valid = 0;
+
+  } else if (s.bi_valid >= 8) {
+    s.pending_buf[s.pending++] = s.bi_buf & 0xff;
+    s.bi_buf >>= 8;
+    s.bi_valid -= 8;
+  }
+}
+
+
+/* ===========================================================================
+ * Compute the optimal bit lengths for a tree and update the total bit length
+ * for the current block.
+ * IN assertion: the fields freq and dad are set, heap[heap_max] and
+ *    above are the tree nodes sorted by increasing frequency.
+ * OUT assertions: the field len is set to the optimal bit length, the
+ *     array bl_count contains the frequencies for each bit length.
+ *     The length opt_len is updated; static_len is also updated if stree is
+ *     not null.
+ */
+function gen_bitlen(s, desc)
+//    deflate_state *s;
+//    tree_desc *desc;    /* the tree descriptor */
+{
+  var tree            = desc.dyn_tree;
+  var max_code        = desc.max_code;
+  var stree           = desc.stat_desc.static_tree;
+  var has_stree       = desc.stat_desc.has_stree;
+  var extra           = desc.stat_desc.extra_bits;
+  var base            = desc.stat_desc.extra_base;
+  var max_length      = desc.stat_desc.max_length;
+  var h;              /* heap index */
+  var n, m;           /* iterate over the tree elements */
+  var bits;           /* bit length */
+  var xbits;          /* extra bits */
+  var f;              /* frequency */
+  var overflow = 0;   /* number of elements with bit length too large */
+
+  for (bits = 0; bits <= MAX_BITS; bits++) {
+    s.bl_count[bits] = 0;
+  }
+
+  /* In a first pass, compute the optimal bit lengths (which may
+   * overflow in the case of the bit length tree).
+   */
+  tree[s.heap[s.heap_max] * 2 + 1]/*.Len*/ = 0; /* root of the heap */
+
+  for (h = s.heap_max + 1; h < HEAP_SIZE; h++) {
+    n = s.heap[h];
+    bits = tree[tree[n * 2 + 1]/*.Dad*/ * 2 + 1]/*.Len*/ + 1;
+    if (bits > max_length) {
+      bits = max_length;
+      overflow++;
+    }
+    tree[n * 2 + 1]/*.Len*/ = bits;
+    /* We overwrite tree[n].Dad which is no longer needed */
+
+    if (n > max_code) { continue; } /* not a leaf node */
+
+    s.bl_count[bits]++;
+    xbits = 0;
+    if (n >= base) {
+      xbits = extra[n - base];
+    }
+    f = tree[n * 2]/*.Freq*/;
+    s.opt_len += f * (bits + xbits);
+    if (has_stree) {
+      s.static_len += f * (stree[n * 2 + 1]/*.Len*/ + xbits);
+    }
+  }
+  if (overflow === 0) { return; }
+
+  // Trace((stderr,"\nbit length overflow\n"));
+  /* This happens for example on obj2 and pic of the Calgary corpus */
+
+  /* Find the first bit length which could increase: */
+  do {
+    bits = max_length - 1;
+    while (s.bl_count[bits] === 0) { bits--; }
+    s.bl_count[bits]--;      /* move one leaf down the tree */
+    s.bl_count[bits + 1] += 2; /* move one overflow item as its brother */
+    s.bl_count[max_length]--;
+    /* The brother of the overflow item also moves one step up,
+     * but this does not affect bl_count[max_length]
+     */
+    overflow -= 2;
+  } while (overflow > 0);
+
+  /* Now recompute all bit lengths, scanning in increasing frequency.
+   * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all
+   * lengths instead of fixing only the wrong ones. This idea is taken
+   * from 'ar' written by Haruhiko Okumura.)
+   */
+  for (bits = max_length; bits !== 0; bits--) {
+    n = s.bl_count[bits];
+    while (n !== 0) {
+      m = s.heap[--h];
+      if (m > max_code) { continue; }
+      if (tree[m * 2 + 1]/*.Len*/ !== bits) {
+        // Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
+        s.opt_len += (bits - tree[m * 2 + 1]/*.Len*/) * tree[m * 2]/*.Freq*/;
+        tree[m * 2 + 1]/*.Len*/ = bits;
+      }
+      n--;
+    }
+  }
+}
+
+
+/* ===========================================================================
+ * Generate the codes for a given tree and bit counts (which need not be
+ * optimal).
+ * IN assertion: the array bl_count contains the bit length statistics for
+ * the given tree and the field len is set for all tree elements.
+ * OUT assertion: the field code is set for all tree elements of non
+ *     zero code length.
+ */
+function gen_codes(tree, max_code, bl_count)
+//    ct_data *tree;             /* the tree to decorate */
+//    int max_code;              /* largest code with non zero frequency */
+//    ushf *bl_count;            /* number of codes at each bit length */
+{
+  var next_code = new Array(MAX_BITS + 1); /* next code value for each bit length */
+  var code = 0;              /* running code value */
+  var bits;                  /* bit index */
+  var n;                     /* code index */
+
+  /* The distribution counts are first used to generate the code values
+   * without bit reversal.
+   */
+  for (bits = 1; bits <= MAX_BITS; bits++) {
+    next_code[bits] = code = (code + bl_count[bits - 1]) << 1;
+  }
+  /* Check that the bit counts in bl_count are consistent. The last code
+   * must be all ones.
+   */
+  //Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
+  //        "inconsistent bit counts");
+  //Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
+
+  for (n = 0;  n <= max_code; n++) {
+    var len = tree[n * 2 + 1]/*.Len*/;
+    if (len === 0) { continue; }
+    /* Now reverse the bits */
+    tree[n * 2]/*.Code*/ = bi_reverse(next_code[len]++, len);
+
+    //Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
+    //     n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
+  }
+}
+
+
+/* ===========================================================================
+ * Initialize the various 'constant' tables.
+ */
+function tr_static_init() {
+  var n;        /* iterates over tree elements */
+  var bits;     /* bit counter */
+  var length;   /* length value */
+  var code;     /* code value */
+  var dist;     /* distance index */
+  var bl_count = new Array(MAX_BITS + 1);
+  /* number of codes at each bit length for an optimal tree */
+
+  // do check in _tr_init()
+  //if (static_init_done) return;
+
+  /* For some embedded targets, global variables are not initialized: */
+/*#ifdef NO_INIT_GLOBAL_POINTERS
+  static_l_desc.static_tree = static_ltree;
+  static_l_desc.extra_bits = extra_lbits;
+  static_d_desc.static_tree = static_dtree;
+  static_d_desc.extra_bits = extra_dbits;
+  static_bl_desc.extra_bits = extra_blbits;
+#endif*/
+
+  /* Initialize the mapping length (0..255) -> length code (0..28) */
+  length = 0;
+  for (code = 0; code < LENGTH_CODES - 1; code++) {
+    base_length[code] = length;
+    for (n = 0; n < (1 << extra_lbits[code]); n++) {
+      _length_code[length++] = code;
+    }
+  }
+  //Assert (length == 256, "tr_static_init: length != 256");
+  /* Note that the length 255 (match length 258) can be represented
+   * in two different ways: code 284 + 5 bits or code 285, so we
+   * overwrite length_code[255] to use the best encoding:
+   */
+  _length_code[length - 1] = code;
+
+  /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
+  dist = 0;
+  for (code = 0; code < 16; code++) {
+    base_dist[code] = dist;
+    for (n = 0; n < (1 << extra_dbits[code]); n++) {
+      _dist_code[dist++] = code;
+    }
+  }
+  //Assert (dist == 256, "tr_static_init: dist != 256");
+  dist >>= 7; /* from now on, all distances are divided by 128 */
+  for (; code < D_CODES; code++) {
+    base_dist[code] = dist << 7;
+    for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
+      _dist_code[256 + dist++] = code;
+    }
+  }
+  //Assert (dist == 256, "tr_static_init: 256+dist != 512");
+
+  /* Construct the codes of the static literal tree */
+  for (bits = 0; bits <= MAX_BITS; bits++) {
+    bl_count[bits] = 0;
+  }
+
+  n = 0;
+  while (n <= 143) {
+    static_ltree[n * 2 + 1]/*.Len*/ = 8;
+    n++;
+    bl_count[8]++;
+  }
+  while (n <= 255) {
+    static_ltree[n * 2 + 1]/*.Len*/ = 9;
+    n++;
+    bl_count[9]++;
+  }
+  while (n <= 279) {
+    static_ltree[n * 2 + 1]/*.Len*/ = 7;
+    n++;
+    bl_count[7]++;
+  }
+  while (n <= 287) {
+    static_ltree[n * 2 + 1]/*.Len*/ = 8;
+    n++;
+    bl_count[8]++;
+  }
+  /* Codes 286 and 287 do not exist, but we must include them in the
+   * tree construction to get a canonical Huffman tree (longest code
+   * all ones)
+   */
+  gen_codes(static_ltree, L_CODES + 1, bl_count);
+
+  /* The static distance tree is trivial: */
+  for (n = 0; n < D_CODES; n++) {
+    static_dtree[n * 2 + 1]/*.Len*/ = 5;
+    static_dtree[n * 2]/*.Code*/ = bi_reverse(n, 5);
+  }
+
+  // Now data ready and we can init static trees
+  static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS + 1, L_CODES, MAX_BITS);
+  static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0,          D_CODES, MAX_BITS);
+  static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0,         BL_CODES, MAX_BL_BITS);
+
+  //static_init_done = true;
+}
+
+
+/* ===========================================================================
+ * Initialize a new block.
+ */
+function init_block(s) {
+  var n; /* iterates over tree elements */
+
+  /* Initialize the trees. */
+  for (n = 0; n < L_CODES;  n++) { s.dyn_ltree[n * 2]/*.Freq*/ = 0; }
+  for (n = 0; n < D_CODES;  n++) { s.dyn_dtree[n * 2]/*.Freq*/ = 0; }
+  for (n = 0; n < BL_CODES; n++) { s.bl_tree[n * 2]/*.Freq*/ = 0; }
+
+  s.dyn_ltree[END_BLOCK * 2]/*.Freq*/ = 1;
+  s.opt_len = s.static_len = 0;
+  s.last_lit = s.matches = 0;
+}
+
+
+/* ===========================================================================
+ * Flush the bit buffer and align the output on a byte boundary
+ */
+function bi_windup(s)
+{
+  if (s.bi_valid > 8) {
+    put_short(s, s.bi_buf);
+  } else if (s.bi_valid > 0) {
+    //put_byte(s, (Byte)s->bi_buf);
+    s.pending_buf[s.pending++] = s.bi_buf;
+  }
+  s.bi_buf = 0;
+  s.bi_valid = 0;
+}
+
+/* ===========================================================================
+ * Copy a stored block, storing first the length and its
+ * one's complement if requested.
+ */
+function copy_block(s, buf, len, header)
+//DeflateState *s;
+//charf    *buf;    /* the input data */
+//unsigned len;     /* its length */
+//int      header;  /* true if block header must be written */
+{
+  bi_windup(s);        /* align on byte boundary */
+
+  if (header) {
+    put_short(s, len);
+    put_short(s, ~len);
+  }
+//  while (len--) {
+//    put_byte(s, *buf++);
+//  }
+  utils.arraySet(s.pending_buf, s.window, buf, len, s.pending);
+  s.pending += len;
+}
+
+/* ===========================================================================
+ * Compares to subtrees, using the tree depth as tie breaker when
+ * the subtrees have equal frequency. This minimizes the worst case length.
+ */
+function smaller(tree, n, m, depth) {
+  var _n2 = n * 2;
+  var _m2 = m * 2;
+  return (tree[_n2]/*.Freq*/ < tree[_m2]/*.Freq*/ ||
+         (tree[_n2]/*.Freq*/ === tree[_m2]/*.Freq*/ && depth[n] <= depth[m]));
+}
+
+/* ===========================================================================
+ * Restore the heap property by moving down the tree starting at node k,
+ * exchanging a node with the smallest of its two sons if necessary, stopping
+ * when the heap property is re-established (each father smaller than its
+ * two sons).
+ */
+function pqdownheap(s, tree, k)
+//    deflate_state *s;
+//    ct_data *tree;  /* the tree to restore */
+//    int k;               /* node to move down */
+{
+  var v = s.heap[k];
+  var j = k << 1;  /* left son of k */
+  while (j <= s.heap_len) {
+    /* Set j to the smallest of the two sons: */
+    if (j < s.heap_len &&
+      smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) {
+      j++;
+    }
+    /* Exit if v is smaller than both sons */
+    if (smaller(tree, v, s.heap[j], s.depth)) { break; }
+
+    /* Exchange v with the smallest son */
+    s.heap[k] = s.heap[j];
+    k = j;
+
+    /* And continue down the tree, setting j to the left son of k */
+    j <<= 1;
+  }
+  s.heap[k] = v;
+}
+
+
+// inlined manually
+// var SMALLEST = 1;
+
+/* ===========================================================================
+ * Send the block data compressed using the given Huffman trees
+ */
+function compress_block(s, ltree, dtree)
+//    deflate_state *s;
+//    const ct_data *ltree; /* literal tree */
+//    const ct_data *dtree; /* distance tree */
+{
+  var dist;           /* distance of matched string */
+  var lc;             /* match length or unmatched char (if dist == 0) */
+  var lx = 0;         /* running index in l_buf */
+  var code;           /* the code to send */
+  var extra;          /* number of extra bits to send */
+
+  if (s.last_lit !== 0) {
+    do {
+      dist = (s.pending_buf[s.d_buf + lx * 2] << 8) | (s.pending_buf[s.d_buf + lx * 2 + 1]);
+      lc = s.pending_buf[s.l_buf + lx];
+      lx++;
+
+      if (dist === 0) {
+        send_code(s, lc, ltree); /* send a literal byte */
+        //Tracecv(isgraph(lc), (stderr," '%c' ", lc));
+      } else {
+        /* Here, lc is the match length - MIN_MATCH */
+        code = _length_code[lc];
+        send_code(s, code + LITERALS + 1, ltree); /* send the length code */
+        extra = extra_lbits[code];
+        if (extra !== 0) {
+          lc -= base_length[code];
+          send_bits(s, lc, extra);       /* send the extra length bits */
+        }
+        dist--; /* dist is now the match distance - 1 */
+        code = d_code(dist);
+        //Assert (code < D_CODES, "bad d_code");
+
+        send_code(s, code, dtree);       /* send the distance code */
+        extra = extra_dbits[code];
+        if (extra !== 0) {
+          dist -= base_dist[code];
+          send_bits(s, dist, extra);   /* send the extra distance bits */
+        }
+      } /* literal or match pair ? */
+
+      /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
+      //Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
+      //       "pendingBuf overflow");
+
+    } while (lx < s.last_lit);
+  }
+
+  send_code(s, END_BLOCK, ltree);
+}
+
+
+/* ===========================================================================
+ * Construct one Huffman tree and assigns the code bit strings and lengths.
+ * Update the total bit length for the current block.
+ * IN assertion: the field freq is set for all tree elements.
+ * OUT assertions: the fields len and code are set to the optimal bit length
+ *     and corresponding code. The length opt_len is updated; static_len is
+ *     also updated if stree is not null. The field max_code is set.
+ */
+function build_tree(s, desc)
+//    deflate_state *s;
+//    tree_desc *desc; /* the tree descriptor */
+{
+  var tree     = desc.dyn_tree;
+  var stree    = desc.stat_desc.static_tree;
+  var has_stree = desc.stat_desc.has_stree;
+  var elems    = desc.stat_desc.elems;
+  var n, m;          /* iterate over heap elements */
+  var max_code = -1; /* largest code with non zero frequency */
+  var node;          /* new node being created */
+
+  /* Construct the initial heap, with least frequent element in
+   * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
+   * heap[0] is not used.
+   */
+  s.heap_len = 0;
+  s.heap_max = HEAP_SIZE;
+
+  for (n = 0; n < elems; n++) {
+    if (tree[n * 2]/*.Freq*/ !== 0) {
+      s.heap[++s.heap_len] = max_code = n;
+      s.depth[n] = 0;
+
+    } else {
+      tree[n * 2 + 1]/*.Len*/ = 0;
+    }
+  }
+
+  /* The pkzip format requires that at least one distance code exists,
+   * and that at least one bit should be sent even if there is only one
+   * possible code. So to avoid special checks later on we force at least
+   * two codes of non zero frequency.
+   */
+  while (s.heap_len < 2) {
+    node = s.heap[++s.heap_len] = (max_code < 2 ? ++max_code : 0);
+    tree[node * 2]/*.Freq*/ = 1;
+    s.depth[node] = 0;
+    s.opt_len--;
+
+    if (has_stree) {
+      s.static_len -= stree[node * 2 + 1]/*.Len*/;
+    }
+    /* node is 0 or 1 so it does not have extra bits */
+  }
+  desc.max_code = max_code;
+
+  /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
+   * establish sub-heaps of increasing lengths:
+   */
+  for (n = (s.heap_len >> 1/*int /2*/); n >= 1; n--) { pqdownheap(s, tree, n); }
+
+  /* Construct the Huffman tree by repeatedly combining the least two
+   * frequent nodes.
+   */
+  node = elems;              /* next internal node of the tree */
+  do {
+    //pqremove(s, tree, n);  /* n = node of least frequency */
+    /*** pqremove ***/
+    n = s.heap[1/*SMALLEST*/];
+    s.heap[1/*SMALLEST*/] = s.heap[s.heap_len--];
+    pqdownheap(s, tree, 1/*SMALLEST*/);
+    /***/
+
+    m = s.heap[1/*SMALLEST*/]; /* m = node of next least frequency */
+
+    s.heap[--s.heap_max] = n; /* keep the nodes sorted by frequency */
+    s.heap[--s.heap_max] = m;
+
+    /* Create a new node father of n and m */
+    tree[node * 2]/*.Freq*/ = tree[n * 2]/*.Freq*/ + tree[m * 2]/*.Freq*/;
+    s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
+    tree[n * 2 + 1]/*.Dad*/ = tree[m * 2 + 1]/*.Dad*/ = node;
+
+    /* and insert the new node in the heap */
+    s.heap[1/*SMALLEST*/] = node++;
+    pqdownheap(s, tree, 1/*SMALLEST*/);
+
+  } while (s.heap_len >= 2);
+
+  s.heap[--s.heap_max] = s.heap[1/*SMALLEST*/];
+
+  /* At this point, the fields freq and dad are set. We can now
+   * generate the bit lengths.
+   */
+  gen_bitlen(s, desc);
+
+  /* The field len is now set, we can generate the bit codes */
+  gen_codes(tree, max_code, s.bl_count);
+}
+
+
+/* ===========================================================================
+ * Scan a literal or distance tree to determine the frequencies of the codes
+ * in the bit length tree.
+ */
+function scan_tree(s, tree, max_code)
+//    deflate_state *s;
+//    ct_data *tree;   /* the tree to be scanned */
+//    int max_code;    /* and its largest code of non zero frequency */
+{
+  var n;                     /* iterates over all tree elements */
+  var prevlen = -1;          /* last emitted length */
+  var curlen;                /* length of current code */
+
+  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
+
+  var count = 0;             /* repeat count of the current code */
+  var max_count = 7;         /* max repeat count */
+  var min_count = 4;         /* min repeat count */
+
+  if (nextlen === 0) {
+    max_count = 138;
+    min_count = 3;
+  }
+  tree[(max_code + 1) * 2 + 1]/*.Len*/ = 0xffff; /* guard */
+
+  for (n = 0; n <= max_code; n++) {
+    curlen = nextlen;
+    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
+
+    if (++count < max_count && curlen === nextlen) {
+      continue;
+
+    } else if (count < min_count) {
+      s.bl_tree[curlen * 2]/*.Freq*/ += count;
+
+    } else if (curlen !== 0) {
+
+      if (curlen !== prevlen) { s.bl_tree[curlen * 2]/*.Freq*/++; }
+      s.bl_tree[REP_3_6 * 2]/*.Freq*/++;
+
+    } else if (count <= 10) {
+      s.bl_tree[REPZ_3_10 * 2]/*.Freq*/++;
+
+    } else {
+      s.bl_tree[REPZ_11_138 * 2]/*.Freq*/++;
+    }
+
+    count = 0;
+    prevlen = curlen;
+
+    if (nextlen === 0) {
+      max_count = 138;
+      min_count = 3;
+
+    } else if (curlen === nextlen) {
+      max_count = 6;
+      min_count = 3;
+
+    } else {
+      max_count = 7;
+      min_count = 4;
+    }
+  }
+}
+
+
+/* ===========================================================================
+ * Send a literal or distance tree in compressed form, using the codes in
+ * bl_tree.
+ */
+function send_tree(s, tree, max_code)
+//    deflate_state *s;
+//    ct_data *tree; /* the tree to be scanned */
+//    int max_code;       /* and its largest code of non zero frequency */
+{
+  var n;                     /* iterates over all tree elements */
+  var prevlen = -1;          /* last emitted length */
+  var curlen;                /* length of current code */
+
+  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
+
+  var count = 0;             /* repeat count of the current code */
+  var max_count = 7;         /* max repeat count */
+  var min_count = 4;         /* min repeat count */
+
+  /* tree[max_code+1].Len = -1; */  /* guard already set */
+  if (nextlen === 0) {
+    max_count = 138;
+    min_count = 3;
+  }
+
+  for (n = 0; n <= max_code; n++) {
+    curlen = nextlen;
+    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
+
+    if (++count < max_count && curlen === nextlen) {
+      continue;
+
+    } else if (count < min_count) {
+      do { send_code(s, curlen, s.bl_tree); } while (--count !== 0);
+
+    } else if (curlen !== 0) {
+      if (curlen !== prevlen) {
+        send_code(s, curlen, s.bl_tree);
+        count--;
+      }
+      //Assert(count >= 3 && count <= 6, " 3_6?");
+      send_code(s, REP_3_6, s.bl_tree);
+      send_bits(s, count - 3, 2);
+
+    } else if (count <= 10) {
+      send_code(s, REPZ_3_10, s.bl_tree);
+      send_bits(s, count - 3, 3);
+
+    } else {
+      send_code(s, REPZ_11_138, s.bl_tree);
+      send_bits(s, count - 11, 7);
+    }
+
+    count = 0;
+    prevlen = curlen;
+    if (nextlen === 0) {
+      max_count = 138;
+      min_count = 3;
+
+    } else if (curlen === nextlen) {
+      max_count = 6;
+      min_count = 3;
+
+    } else {
+      max_count = 7;
+      min_count = 4;
+    }
+  }
+}
+
+
+/* ===========================================================================
+ * Construct the Huffman tree for the bit lengths and return the index in
+ * bl_order of the last bit length code to send.
+ */
+function build_bl_tree(s) {
+  var max_blindex;  /* index of last bit length code of non zero freq */
+
+  /* Determine the bit length frequencies for literal and distance trees */
+  scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
+  scan_tree(s, s.dyn_dtree, s.d_desc.max_code);
+
+  /* Build the bit length tree: */
+  build_tree(s, s.bl_desc);
+  /* opt_len now includes the length of the tree representations, except
+   * the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
+   */
+
+  /* Determine the number of bit length codes to send. The pkzip format
+   * requires that at least 4 bit length codes be sent. (appnote.txt says
+   * 3 but the actual value used is 4.)
+   */
+  for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) {
+    if (s.bl_tree[bl_order[max_blindex] * 2 + 1]/*.Len*/ !== 0) {
+      break;
+    }
+  }
+  /* Update opt_len to include the bit length tree and counts */
+  s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4;
+  //Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
+  //        s->opt_len, s->static_len));
+
+  return max_blindex;
+}
+
+
+/* ===========================================================================
+ * Send the header for a block using dynamic Huffman trees: the counts, the
+ * lengths of the bit length codes, the literal tree and the distance tree.
+ * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
+ */
+function send_all_trees(s, lcodes, dcodes, blcodes)
+//    deflate_state *s;
+//    int lcodes, dcodes, blcodes; /* number of codes for each tree */
+{
+  var rank;                    /* index in bl_order */
+
+  //Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
+  //Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
+  //        "too many codes");
+  //Tracev((stderr, "\nbl counts: "));
+  send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
+  send_bits(s, dcodes - 1,   5);
+  send_bits(s, blcodes - 4,  4); /* not -3 as stated in appnote.txt */
+  for (rank = 0; rank < blcodes; rank++) {
+    //Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
+    send_bits(s, s.bl_tree[bl_order[rank] * 2 + 1]/*.Len*/, 3);
+  }
+  //Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
+
+  send_tree(s, s.dyn_ltree, lcodes - 1); /* literal tree */
+  //Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
+
+  send_tree(s, s.dyn_dtree, dcodes - 1); /* distance tree */
+  //Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
+}
+
+
+/* ===========================================================================
+ * Check if the data type is TEXT or BINARY, using the following algorithm:
+ * - TEXT if the two conditions below are satisfied:
+ *    a) There are no non-portable control characters belonging to the
+ *       "black list" (0..6, 14..25, 28..31).
+ *    b) There is at least one printable character belonging to the
+ *       "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
+ * - BINARY otherwise.
+ * - The following partially-portable control characters form a
+ *   "gray list" that is ignored in this detection algorithm:
+ *   (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}).
+ * IN assertion: the fields Freq of dyn_ltree are set.
+ */
+function detect_data_type(s) {
+  /* black_mask is the bit mask of black-listed bytes
+   * set bits 0..6, 14..25, and 28..31
+   * 0xf3ffc07f = binary 11110011111111111100000001111111
+   */
+  var black_mask = 0xf3ffc07f;
+  var n;
+
+  /* Check for non-textual ("black-listed") bytes. */
+  for (n = 0; n <= 31; n++, black_mask >>>= 1) {
+    if ((black_mask & 1) && (s.dyn_ltree[n * 2]/*.Freq*/ !== 0)) {
+      return Z_BINARY;
+    }
+  }
+
+  /* Check for textual ("white-listed") bytes. */
+  if (s.dyn_ltree[9 * 2]/*.Freq*/ !== 0 || s.dyn_ltree[10 * 2]/*.Freq*/ !== 0 ||
+      s.dyn_ltree[13 * 2]/*.Freq*/ !== 0) {
+    return Z_TEXT;
+  }
+  for (n = 32; n < LITERALS; n++) {
+    if (s.dyn_ltree[n * 2]/*.Freq*/ !== 0) {
+      return Z_TEXT;
+    }
+  }
+
+  /* There are no "black-listed" or "white-listed" bytes:
+   * this stream either is empty or has tolerated ("gray-listed") bytes only.
+   */
+  return Z_BINARY;
+}
+
+
+var static_init_done = false;
+
+/* ===========================================================================
+ * Initialize the tree data structures for a new zlib stream.
+ */
+function _tr_init(s)
+{
+
+  if (!static_init_done) {
+    tr_static_init();
+    static_init_done = true;
+  }
+
+  s.l_desc  = new TreeDesc(s.dyn_ltree, static_l_desc);
+  s.d_desc  = new TreeDesc(s.dyn_dtree, static_d_desc);
+  s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);
+
+  s.bi_buf = 0;
+  s.bi_valid = 0;
+
+  /* Initialize the first block of the first file: */
+  init_block(s);
+}
+
+
+/* ===========================================================================
+ * Send a stored block
+ */
+function _tr_stored_block(s, buf, stored_len, last)
+//DeflateState *s;
+//charf *buf;       /* input block */
+//ulg stored_len;   /* length of input block */
+//int last;         /* one if this is the last block for a file */
+{
+  send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3);    /* send block type */
+  copy_block(s, buf, stored_len, true); /* with header */
+}
+
+
+/* ===========================================================================
+ * Send one empty static block to give enough lookahead for inflate.
+ * This takes 10 bits, of which 7 may remain in the bit buffer.
+ */
+function _tr_align(s) {
+  send_bits(s, STATIC_TREES << 1, 3);
+  send_code(s, END_BLOCK, static_ltree);
+  bi_flush(s);
+}
+
+
+/* ===========================================================================
+ * Determine the best encoding for the current block: dynamic trees, static
+ * trees or store, and output the encoded block to the zip file.
+ */
+function _tr_flush_block(s, buf, stored_len, last)
+//DeflateState *s;
+//charf *buf;       /* input block, or NULL if too old */
+//ulg stored_len;   /* length of input block */
+//int last;         /* one if this is the last block for a file */
+{
+  var opt_lenb, static_lenb;  /* opt_len and static_len in bytes */
+  var max_blindex = 0;        /* index of last bit length code of non zero freq */
+
+  /* Build the Huffman trees unless a stored block is forced */
+  if (s.level > 0) {
+
+    /* Check if the file is binary or text */
+    if (s.strm.data_type === Z_UNKNOWN) {
+      s.strm.data_type = detect_data_type(s);
+    }
+
+    /* Construct the literal and distance trees */
+    build_tree(s, s.l_desc);
+    // Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len,
+    //        s->static_len));
+
+    build_tree(s, s.d_desc);
+    // Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len,
+    //        s->static_len));
+    /* At this point, opt_len and static_len are the total bit lengths of
+     * the compressed block data, excluding the tree representations.
+     */
+
+    /* Build the bit length tree for the above two trees, and get the index
+     * in bl_order of the last bit length code to send.
+     */
+    max_blindex = build_bl_tree(s);
+
+    /* Determine the best encoding. Compute the block lengths in bytes. */
+    opt_lenb = (s.opt_len + 3 + 7) >>> 3;
+    static_lenb = (s.static_len + 3 + 7) >>> 3;
+
+    // Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
+    //        opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
+    //        s->last_lit));
+
+    if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; }
+
+  } else {
+    // Assert(buf != (char*)0, "lost buf");
+    opt_lenb = static_lenb = stored_len + 5; /* force a stored block */
+  }
+
+  if ((stored_len + 4 <= opt_lenb) && (buf !== -1)) {
+    /* 4: two words for the lengths */
+
+    /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
+     * Otherwise we can't have processed more than WSIZE input bytes since
+     * the last block flush, because compression would have been
+     * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to
+     * transform a block into a stored block.
+     */
+    _tr_stored_block(s, buf, stored_len, last);
+
+  } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {
+
+    send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3);
+    compress_block(s, static_ltree, static_dtree);
+
+  } else {
+    send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3);
+    send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1);
+    compress_block(s, s.dyn_ltree, s.dyn_dtree);
+  }
+  // Assert (s->compressed_len == s->bits_sent, "bad compressed size");
+  /* The above check is made mod 2^32, for files larger than 512 MB
+   * and uLong implemented on 32 bits.
+   */
+  init_block(s);
+
+  if (last) {
+    bi_windup(s);
+  }
+  // Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3,
+  //       s->compressed_len-7*last));
+}
+
+/* ===========================================================================
+ * Save the match info and tally the frequency counts. Return true if
+ * the current block must be flushed.
+ */
+function _tr_tally(s, dist, lc)
+//    deflate_state *s;
+//    unsigned dist;  /* distance of matched string */
+//    unsigned lc;    /* match length-MIN_MATCH or unmatched char (if dist==0) */
+{
+  //var out_length, in_length, dcode;
+
+  s.pending_buf[s.d_buf + s.last_lit * 2]     = (dist >>> 8) & 0xff;
+  s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 0xff;
+
+  s.pending_buf[s.l_buf + s.last_lit] = lc & 0xff;
+  s.last_lit++;
+
+  if (dist === 0) {
+    /* lc is the unmatched char */
+    s.dyn_ltree[lc * 2]/*.Freq*/++;
+  } else {
+    s.matches++;
+    /* Here, lc is the match length - MIN_MATCH */
+    dist--;             /* dist = match distance - 1 */
+    //Assert((ush)dist < (ush)MAX_DIST(s) &&
+    //       (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
+    //       (ush)d_code(dist) < (ush)D_CODES,  "_tr_tally: bad match");
+
+    s.dyn_ltree[(_length_code[lc] + LITERALS + 1) * 2]/*.Freq*/++;
+    s.dyn_dtree[d_code(dist) * 2]/*.Freq*/++;
+  }
+
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+
+//#ifdef TRUNCATE_BLOCK
+//  /* Try to guess if it is profitable to stop the current block here */
+//  if ((s.last_lit & 0x1fff) === 0 && s.level > 2) {
+//    /* Compute an upper bound for the compressed length */
+//    out_length = s.last_lit*8;
+//    in_length = s.strstart - s.block_start;
+//
+//    for (dcode = 0; dcode < D_CODES; dcode++) {
+//      out_length += s.dyn_dtree[dcode*2]/*.Freq*/ * (5 + extra_dbits[dcode]);
+//    }
+//    out_length >>>= 3;
+//    //Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
+//    //       s->last_lit, in_length, out_length,
+//    //       100L - out_length*100L/in_length));
+//    if (s.matches < (s.last_lit>>1)/*int /2*/ && out_length < (in_length>>1)/*int /2*/) {
+//      return true;
+//    }
+//  }
+//#endif
+
+  return (s.last_lit === s.lit_bufsize - 1);
+  /* We avoid equality with lit_bufsize because of wraparound at 64K
+   * on 16 bit machines and because stored blocks are restricted to
+   * 64K-1 bytes.
+   */
+}
+
+exports._tr_init  = _tr_init;
+exports._tr_stored_block = _tr_stored_block;
+exports._tr_flush_block  = _tr_flush_block;
+exports._tr_tally = _tr_tally;
+exports._tr_align = _tr_align;
diff --git a/node_modules/pako/lib/zlib/zstream.js b/node_modules/pako/lib/zlib/zstream.js
new file mode 100644
index 00000000..122acfef
--- /dev/null
+++ b/node_modules/pako/lib/zlib/zstream.js
@@ -0,0 +1,47 @@
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//   claim that you wrote the original software. If you use this software
+//   in a product, an acknowledgment in the product documentation would be
+//   appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//   misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+function ZStream() {
+  /* next input byte */
+  this.input = null; // JS specific, because we have no pointers
+  this.next_in = 0;
+  /* number of bytes available at input */
+  this.avail_in = 0;
+  /* total number of input bytes read so far */
+  this.total_in = 0;
+  /* next output byte should be put there */
+  this.output = null; // JS specific, because we have no pointers
+  this.next_out = 0;
+  /* remaining free space at output */
+  this.avail_out = 0;
+  /* total number of bytes output so far */
+  this.total_out = 0;
+  /* last error message, NULL if no error */
+  this.msg = ''/*Z_NULL*/;
+  /* not visible by applications */
+  this.state = null;
+  /* best guess about the data type: binary or text */
+  this.data_type = 2/*Z_UNKNOWN*/;
+  /* adler32 value of the uncompressed data */
+  this.adler = 0;
+}
+
+module.exports = ZStream;
diff --git a/node_modules/pako/package.json b/node_modules/pako/package.json
new file mode 100644
index 00000000..7aaade84
--- /dev/null
+++ b/node_modules/pako/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "pako",
+  "description": "zlib port to javascript - fast, modularized, with browser support",
+  "version": "1.0.11",
+  "keywords": [
+    "zlib",
+    "deflate",
+    "inflate",
+    "gzip"
+  ],
+  "homepage": "https://github.com/nodeca/pako",
+  "contributors": [
+    "Andrei Tuputcyn (https://github.com/andr83)",
+    "Vitaly Puzrin (https://github.com/puzrin)",
+    "Friedel Ziegelmayer (https://github.com/dignifiedquire)",
+    "Kirill Efimov (https://github.com/Kirill89)",
+    "Jean-loup Gailly",
+    "Mark Adler"
+  ],
+  "files": [
+    "index.js",
+    "dist/",
+    "lib/"
+  ],
+  "license": "(MIT AND Zlib)",
+  "repository": "nodeca/pako",
+  "scripts": {
+    "test": "make test"
+  },
+  "devDependencies": {
+    "ansi": "^0.3.1",
+    "benchmark": "^2.1.4",
+    "browserify": "^16.2.3",
+    "buffer-from": "^1.1.1",
+    "eslint": "^5.9.0",
+    "istanbul": "^0.4.5",
+    "mocha": "^5.2.0",
+    "multiparty": "^4.1.3",
+    "ndoc": "^5.0.1",
+    "uglify-js": "=3.4.8",
+    "zlibjs": "^0.3.1"
+  },
+  "dependencies": {}
+}
diff --git a/node_modules/parallel-transform/LICENSE b/node_modules/parallel-transform/LICENSE
new file mode 100644
index 00000000..4b30ed5d
--- /dev/null
+++ b/node_modules/parallel-transform/LICENSE
@@ -0,0 +1,20 @@
+Copyright 2013 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/parallel-transform/README.md b/node_modules/parallel-transform/README.md
new file mode 100644
index 00000000..f53e1308
--- /dev/null
+++ b/node_modules/parallel-transform/README.md
@@ -0,0 +1,54 @@
+# parallel-transform
+
+[Transform stream](http://nodejs.org/api/stream.html#stream_class_stream_transform_1) for Node.js that allows you to run your transforms
+in parallel without changing the order of the output.
+
+	npm install parallel-transform
+
+It is easy to use
+
+``` js
+var transform = require('parallel-transform');
+
+var stream = transform(10, function(data, callback) { // 10 is the parallism level
+	setTimeout(function() {
+		callback(null, data);
+	}, Math.random() * 1000);
+});
+
+for (var i = 0; i < 10; i++) {
+	stream.write(''+i);
+}
+stream.end();
+
+stream.on('data', function(data) {
+	console.log(data); // prints 0,1,2,...
+});
+stream.on('end', function() {
+	console.log('stream has ended');
+});
+```
+
+If you run the above example you'll notice that it runs in parallel
+(does not take ~1 second between each print) and that the order is preserved
+
+## Stream options
+
+All transforms are Node 0.10 streams. Per default they are created with the options `{objectMode:true}`.
+If you want to use your own stream options pass them as the second parameter
+
+``` js
+var stream = transform(10, {objectMode:false}, function(data, callback) {
+	// data is now a buffer
+	callback(null, data);
+});
+
+fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
+```
+
+### Unordered
+Passing the option `{ordered:false}` will output the data as soon as it's processed by a transform, without waiting to respect the order.
+
+## License
+
+MIT
\ No newline at end of file
diff --git a/node_modules/parallel-transform/index.js b/node_modules/parallel-transform/index.js
new file mode 100644
index 00000000..77329e4c
--- /dev/null
+++ b/node_modules/parallel-transform/index.js
@@ -0,0 +1,105 @@
+var Transform = require('readable-stream').Transform;
+var inherits = require('inherits');
+var cyclist = require('cyclist');
+var util = require('util');
+
+var ParallelTransform = function(maxParallel, opts, ontransform) {
+	if (!(this instanceof ParallelTransform)) return new ParallelTransform(maxParallel, opts, ontransform);
+
+	if (typeof maxParallel === 'function') {
+		ontransform = maxParallel;
+		opts = null;
+		maxParallel = 1;
+	}
+	if (typeof opts === 'function') {
+		ontransform = opts;
+		opts = null;
+	}
+
+	if (!opts) opts = {};
+	if (!opts.highWaterMark) opts.highWaterMark = Math.max(maxParallel, 16);
+	if (opts.objectMode !== false) opts.objectMode = true;
+
+	Transform.call(this, opts);
+
+	this._maxParallel = maxParallel;
+	this._ontransform = ontransform;
+	this._destroyed = false;
+	this._flushed = false;
+	this._ordered = opts.ordered !== false;
+	this._buffer = this._ordered ? cyclist(maxParallel) : [];
+	this._top = 0;
+	this._bottom = 0;
+	this._ondrain = null;
+};
+
+inherits(ParallelTransform, Transform);
+
+ParallelTransform.prototype.destroy = function() {
+	if (this._destroyed) return;
+	this._destroyed = true;
+	this.emit('close');
+};
+
+ParallelTransform.prototype._transform = function(chunk, enc, callback) {
+	var self = this;
+	var pos = this._top++;
+
+	this._ontransform(chunk, function(err, data) {
+		if (self._destroyed) return;
+		if (err) {
+			self.emit('error', err);
+			self.push(null);
+			self.destroy();
+			return;
+		}
+		if (self._ordered) {
+			self._buffer.put(pos, (data === undefined || data === null) ? null : data);
+		}
+		else {
+			self._buffer.push(data);
+		}
+		self._drain();
+	});
+
+	if (this._top - this._bottom < this._maxParallel) return callback();
+	this._ondrain = callback;
+};
+
+ParallelTransform.prototype._flush = function(callback) {
+	this._flushed = true;
+	this._ondrain = callback;
+	this._drain();
+};
+
+ParallelTransform.prototype._drain = function() {
+	if (this._ordered) {
+		while (this._buffer.get(this._bottom) !== undefined) {
+			var data = this._buffer.del(this._bottom++);
+			if (data === null) continue;
+			this.push(data);
+		}
+	}
+	else {
+		while (this._buffer.length > 0) {
+			var data =  this._buffer.pop();
+			this._bottom++;
+			if (data === null) continue;
+			this.push(data);
+		}
+	}
+
+
+	if (!this._drained() || !this._ondrain) return;
+
+	var ondrain = this._ondrain;
+	this._ondrain = null;
+	ondrain();
+};
+
+ParallelTransform.prototype._drained = function() {
+	var diff = this._top - this._bottom;
+	return this._flushed ? !diff : diff < this._maxParallel;
+};
+
+module.exports = ParallelTransform;
diff --git a/node_modules/parallel-transform/package.json b/node_modules/parallel-transform/package.json
new file mode 100644
index 00000000..acfd9cb1
--- /dev/null
+++ b/node_modules/parallel-transform/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "parallel-transform",
+  "version": "1.2.0",
+  "repository": "git://github.com/mafintosh/parallel-transform",
+  "license": "MIT",
+  "description": "Transform stream that allows you to run your transforms in parallel without changing the order",
+  "keywords": [
+    "transform",
+    "stream",
+    "parallel",
+    "preserve",
+    "order"
+  ],
+  "author": "Mathias Buus Madsen <mathiasbuus@gmail.com>",
+  "dependencies": {
+    "cyclist": "^1.0.1",
+    "inherits": "^2.0.3",
+    "readable-stream": "^2.1.5"
+  }
+}
diff --git a/node_modules/parse-asn1/.eslintrc b/node_modules/parse-asn1/.eslintrc
new file mode 100644
index 00000000..0bc0f455
--- /dev/null
+++ b/node_modules/parse-asn1/.eslintrc
@@ -0,0 +1,34 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"camelcase": "off",
+		"func-style": "off",
+		"id-length": "off",
+		"max-lines-per-function": "off",
+		"multiline-comment-style": "off",
+		"no-negated-condition": "off",
+		"no-param-reassign": "warn",
+		"sort-keys": "off",
+	},
+
+	"overrides": [
+		{
+			"files": "./asn1.js",
+			"rules": {
+				"no-underscore-dangle": "off",
+			}
+		},
+		{
+			"files": [
+				"./asn1.js",
+				"./certificate.js",
+			],
+			"rules": {
+				"no-invalid-this": "off",
+			}
+		},
+	]
+}
diff --git a/node_modules/parse-asn1/.github/FUNDING.yml b/node_modules/parse-asn1/.github/FUNDING.yml
new file mode 100644
index 00000000..b14fee5d
--- /dev/null
+++ b/node_modules/parse-asn1/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/parse-asn1
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/parse-asn1/CHANGELOG.md b/node_modules/parse-asn1/CHANGELOG.md
new file mode 100644
index 00000000..605b1517
--- /dev/null
+++ b/node_modules/parse-asn1/CHANGELOG.md
@@ -0,0 +1,188 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v5.1.7](https://github.com/browserify/parse-asn1/compare/v5.1.6...v5.1.7) - 2024-03-05
+
+### Commits
+
+- [eslint] switch from standard to eslint [`794cf67`](https://github.com/browserify/parse-asn1/commit/794cf67208a69d4cc855f784a299906c6d6ef671)
+- [meta] add `auto-changelog` [`8961374`](https://github.com/browserify/parse-asn1/commit/89613740568d94746d45adf8d1af029922ab9d54)
+- [Tests] migrate from travis to github actions [`fdbdda5`](https://github.com/browserify/parse-asn1/commit/fdbdda5eeeaec0aeb8a740fa49deb449a47390ab)
+- [meta] fix package.json indentation [`60eb8f3`](https://github.com/browserify/parse-asn1/commit/60eb8f3e2bd9e91dca0e9fd5e617864cde35cb35)
+- [meta] switch from files to npmignore [`e41c881`](https://github.com/browserify/parse-asn1/commit/e41c881bf4cbf97609a82bfe4bfde4fdfcf54e39)
+- [Tests] Buffer.from requires node &gt;= 4 [`0f9ba08`](https://github.com/browserify/parse-asn1/commit/0f9ba08be2b626fc4d8d01dd96916c1dbd6a8fb7)
+- [Deps] update `browserify-aes`, `evp_bytestokey`, `pbkdf2`, `safe-buffer` [`b5a64da`](https://github.com/browserify/parse-asn1/commit/b5a64da4651941980c91c04e9a4fae814c654aec)
+- Only apps should have lockfiles [`75803fd`](https://github.com/browserify/parse-asn1/commit/75803fda05246c4cf5cd968c5cc87494c03d3cf0)
+- [meta] add `safe-publish-latest` [`aba1931`](https://github.com/browserify/parse-asn1/commit/aba1931df788100a7ffaf6054e5b024caf3d9a23)
+- [Tests] use `aud` [`2a848f6`](https://github.com/browserify/parse-asn1/commit/2a848f6c55d84896a52dcb3bcb54be637e42886d)
+- [meta] add missing `engines.node` [`87e2bd3`](https://github.com/browserify/parse-asn1/commit/87e2bd3f9657ecb4fba7903a0c56305de273c3b6)
+- [Dev Deps] update `tape` [`50baf1c`](https://github.com/browserify/parse-asn1/commit/50baf1c6a4af51a3d4eac1d1508cda69f6f5252a)
+- [Deps] downgrade `asn1.js` to v4 since v5 drops support for node &lt; 4 [`f230870`](https://github.com/browserify/parse-asn1/commit/f23087045497c93bd0a151e29b1e3f738e898cb8)
+- [Deps] pin `hash-base` to ~3.0, due to a breaking change [`f15dc5f`](https://github.com/browserify/parse-asn1/commit/f15dc5f12898fd955ef27d037ba649724f6c5e17)
+
+## [v5.1.6](https://github.com/browserify/parse-asn1/compare/v5.1.5...v5.1.6) - 2020-08-11
+
+### Merged
+
+- update asn1 [`#37`](https://github.com/browserify/parse-asn1/pull/37)
+- remove 'create-hash' dependency [`#40`](https://github.com/browserify/parse-asn1/pull/40)
+
+### Commits
+
+- fix more deps [`8ebb8a3`](https://github.com/browserify/parse-asn1/commit/8ebb8a3c7aaabd25c90f64cb7304c961ba55cf1d)
+
+## [v5.1.5](https://github.com/browserify/parse-asn1/compare/v5.1.4...v5.1.5) - 2019-09-18
+
+### Merged
+
+- Improving published files [`#38`](https://github.com/browserify/parse-asn1/pull/38)
+
+## [v5.1.4](https://github.com/browserify/parse-asn1/compare/v5.1.3...v5.1.4) - 2019-02-14
+
+### Fixed
+
+- fixes #35, regex work for pems without linebreaks [`#35`](https://github.com/browserify/parse-asn1/issues/35)
+
+## [v5.1.3](https://github.com/browserify/parse-asn1/compare/v5.1.2...v5.1.3) - 2019-01-17
+
+### Commits
+
+- rm const [`635d530`](https://github.com/browserify/parse-asn1/commit/635d530a4e29e07ac89814ef9e2a8de1f7c002ed)
+
+## [v5.1.2](https://github.com/browserify/parse-asn1/compare/v5.1.1...v5.1.2) - 2019-01-17
+
+### Merged
+
+- Safe buffer [`#30`](https://github.com/browserify/parse-asn1/pull/30)
+- Add curve as parameter to certificate algorithm [`#28`](https://github.com/browserify/parse-asn1/pull/28)
+
+### Commits
+
+- version is optional [`97ca375`](https://github.com/browserify/parse-asn1/commit/97ca3751f2c6b928f26fbc6558823042df7bec5d)
+
+## [v5.1.1](https://github.com/browserify/parse-asn1/compare/v5.1.0...v5.1.1) - 2018-04-11
+
+### Merged
+
+- Create LICENSE [`#27`](https://github.com/browserify/parse-asn1/pull/27)
+- make fixproc compliant with common newline conventions [`#22`](https://github.com/browserify/parse-asn1/pull/22)
+
+### Commits
+
+- Update README.md [`19789cd`](https://github.com/browserify/parse-asn1/commit/19789cdbd5f529351e2477fae4961d996fbc11a1)
+
+## [v5.1.0](https://github.com/browserify/parse-asn1/compare/v5.0.0...v5.1.0) - 2017-03-13
+
+### Merged
+
+- add description [`#20`](https://github.com/browserify/parse-asn1/pull/20)
+- Cert parsing [`#6`](https://github.com/browserify/parse-asn1/pull/6)
+
+### Commits
+
+- fix formatting [`febc75d`](https://github.com/browserify/parse-asn1/commit/febc75d6ae3e995ab28d4b1d3e5a040cdd1afb28)
+- merge [`5e306be`](https://github.com/browserify/parse-asn1/commit/5e306be93671655c518569868066f53c9b298b62)
+- fix style [`6131733`](https://github.com/browserify/parse-asn1/commit/6131733f2cea84ca6394e3e6bfe2040daf7eae66)
+- cert parsing [`e571b18`](https://github.com/browserify/parse-asn1/commit/e571b18bf516bcd47c6a5699767ac27398a8e0df)
+- update deps [`eab3500`](https://github.com/browserify/parse-asn1/commit/eab3500f62ddec3491e28c47dcfeb1e54459b747)
+- iter stuff [`00b030c`](https://github.com/browserify/parse-asn1/commit/00b030c2d304ca3a003591abdd10a6e7ef2ce68d)
+- credit [`c94dba3`](https://github.com/browserify/parse-asn1/commit/c94dba391223af0b72687868f88049bb0dfcb276)
+
+## [v5.0.0](https://github.com/browserify/parse-asn1/compare/v4.0.0...v5.0.0) - 2015-10-29
+
+### Merged
+
+- bump asn1.js [`#17`](https://github.com/browserify/parse-asn1/pull/17)
+
+## [v4.0.0](https://github.com/browserify/parse-asn1/compare/v3.0.2...v4.0.0) - 2015-10-26
+
+### Merged
+
+- bump bn [`#16`](https://github.com/browserify/parse-asn1/pull/16)
+
+## [v3.0.2](https://github.com/browserify/parse-asn1/compare/v3.0.1...v3.0.2) - 2015-09-28
+
+### Merged
+
+- pull out evp [`#15`](https://github.com/browserify/parse-asn1/pull/15)
+- evp: simplify overall logic [`#12`](https://github.com/browserify/parse-asn1/pull/12)
+
+### Fixed
+
+- adds .travis.yml, resolves #14 [`#14`](https://github.com/browserify/parse-asn1/issues/14)
+
+### Commits
+
+- standard [`10d65d0`](https://github.com/browserify/parse-asn1/commit/10d65d07202941a94ef914d883939d318bbbe33d)
+- evp: standard-ish formatting [`be4e43d`](https://github.com/browserify/parse-asn1/commit/be4e43d8ca8a766ef77caf724e7204b3e299d601)
+- evp: improve variable names [`080e62b`](https://github.com/browserify/parse-asn1/commit/080e62bdb1d3dde124ff736a7767cfaa6e4d71db)
+- evp: simplify md_buf logic [`ed059dd`](https://github.com/browserify/parse-asn1/commit/ed059dd60802651722a3e7f7470bbc323b255c99)
+- add badges [`ed3184d`](https://github.com/browserify/parse-asn1/commit/ed3184d7b189e32b3fec3d66de98b0676e10e11b)
+- evp: remove unused ii, avoid inline expressions [`8058c1e`](https://github.com/browserify/parse-asn1/commit/8058c1ec4f39cfea4bb9fdfd81b675e063e28d1d)
+- adds standard and travis targets [`e663708`](https://github.com/browserify/parse-asn1/commit/e66370856e1e20c4b3aa3089734a418b1a752d5e)
+- evp: remove another semicolon [`7e1b6e5`](https://github.com/browserify/parse-asn1/commit/7e1b6e5fdb4781497262aa18939b31b2dbffbadd)
+- evp: remove semicolon [`403330f`](https://github.com/browserify/parse-asn1/commit/403330fb5768c3572b2d3f45a4f003cadac541bf)
+- Rename readme.md to README.md [`cf240ae`](https://github.com/browserify/parse-asn1/commit/cf240ae3283df6afd5aa5bc8e4e7922e8ce0aed2)
+
+## [v3.0.1](https://github.com/browserify/parse-asn1/compare/v3.0.0...v3.0.1) - 2015-05-20
+
+### Merged
+
+- Upgrade deps [`#9`](https://github.com/browserify/parse-asn1/pull/9)
+- pbkdf2 [`#5`](https://github.com/browserify/parse-asn1/pull/5)
+- fixProc: simplify wrap [`#10`](https://github.com/browserify/parse-asn1/pull/10)
+
+### Fixed
+
+- switch line breaks to \r?\n instead of \n\r? fixes #7 [`#7`](https://github.com/browserify/parse-asn1/issues/7)
+
+### Commits
+
+- deal with iterations not being an integer [`c4aee9e`](https://github.com/browserify/parse-asn1/commit/c4aee9e971dac0b7cf9c125e563957cb4c5f2a05)
+- update asn1.js [`92214f6`](https://github.com/browserify/parse-asn1/commit/92214f60a33f761fb97989e29f1d1588968aa621)
+- update repo location [`5e7960a`](https://github.com/browserify/parse-asn1/commit/5e7960a19eab30468dbc6442bf0fce89d1d26e75)
+- Add coverage directory to .npmignore. [`0d11c15`](https://github.com/browserify/parse-asn1/commit/0d11c15d7b2f1dea6243991e5bd98fe6057a80d7)
+- rn .npmignore to .gitignore [`a9abb96`](https://github.com/browserify/parse-asn1/commit/a9abb96008289c241c3372151ac06a8e43a4343e)
+
+## [v3.0.0](https://github.com/browserify/parse-asn1/compare/v2.0.0...v3.0.0) - 2015-01-28
+
+### Commits
+
+- add tests, remove dep [`b6ecaa2`](https://github.com/browserify/parse-asn1/commit/b6ecaa2ebca59d3ee9718fcc6515d7215a1bb89a)
+- clean up [`dd84475`](https://github.com/browserify/parse-asn1/commit/dd84475f02741ebc08bed3fc02d36e6d0c1dde7e)
+- make modularized [`7059346`](https://github.com/browserify/parse-asn1/commit/7059346a4b74e3b732151174c26d7eb547acba47)
+
+## [v2.0.0](https://github.com/browserify/parse-asn1/compare/v1.2.1...v2.0.0) - 2015-01-06
+
+### Commits
+
+- Update asn1.js and bn.js to 1.0 [`9ab8411`](https://github.com/browserify/parse-asn1/commit/9ab8411d7fb489f9d5cde08efdd9ec041a11c99c)
+
+## [v1.2.1](https://github.com/browserify/parse-asn1/compare/v1.2.0...v1.2.1) - 2015-01-04
+
+### Merged
+
+- Update asn1.js [`#1`](https://github.com/browserify/parse-asn1/pull/1)
+
+## [v1.2.0](https://github.com/browserify/parse-asn1/compare/v1.1.0...v1.2.0) - 2014-12-18
+
+### Commits
+
+- varient version of passwords [`e1eef0b`](https://github.com/browserify/parse-asn1/commit/e1eef0b1d5534e7f0f08caf4242e0dda274882d5)
+
+## [v1.1.0](https://github.com/browserify/parse-asn1/compare/v1.0.1...v1.1.0) - 2014-12-18
+
+### Commits
+
+- updates for dsa [`f1e82d2`](https://github.com/browserify/parse-asn1/commit/f1e82d2b61723ea17b8cd86eef5cbed3b0e4658c)
+
+## v1.0.1 - 2014-12-16
+
+### Commits
+
+- first [`6cfeecb`](https://github.com/browserify/parse-asn1/commit/6cfeecb4cd46c8032833e76360386f9c64d88c19)
+- handle strings [`df96666`](https://github.com/browserify/parse-asn1/commit/df9666656c6edf341a2e99549b197334c5fa2fc9)
diff --git a/node_modules/parse-asn1/LICENSE b/node_modules/parse-asn1/LICENSE
new file mode 100644
index 00000000..e0efcf25
--- /dev/null
+++ b/node_modules/parse-asn1/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2017, crypto-browserify contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/parse-asn1/README.md b/node_modules/parse-asn1/README.md
new file mode 100644
index 00000000..9cd4c153
--- /dev/null
+++ b/node_modules/parse-asn1/README.md
@@ -0,0 +1,8 @@
+# parse-asn1
+
+[![TRAVIS](https://secure.travis-ci.org/crypto-browserify/parse-asn1.png)](http://travis-ci.org/crypto-browserify/parse-asn1)
+[![NPM](http://img.shields.io/npm/v/parse-asn1.svg)](https://www.npmjs.org/package/parse-asn1)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+utility library for parsing asn1 files for use with browserify-sign.
diff --git a/node_modules/parse-asn1/aesid.json b/node_modules/parse-asn1/aesid.json
new file mode 100644
index 00000000..24f653b4
--- /dev/null
+++ b/node_modules/parse-asn1/aesid.json
@@ -0,0 +1,13 @@
+{"2.16.840.1.101.3.4.1.1": "aes-128-ecb",
+"2.16.840.1.101.3.4.1.2": "aes-128-cbc",
+"2.16.840.1.101.3.4.1.3": "aes-128-ofb",
+"2.16.840.1.101.3.4.1.4": "aes-128-cfb",
+"2.16.840.1.101.3.4.1.21": "aes-192-ecb",
+"2.16.840.1.101.3.4.1.22": "aes-192-cbc",
+"2.16.840.1.101.3.4.1.23": "aes-192-ofb",
+"2.16.840.1.101.3.4.1.24": "aes-192-cfb",
+"2.16.840.1.101.3.4.1.41": "aes-256-ecb",
+"2.16.840.1.101.3.4.1.42": "aes-256-cbc",
+"2.16.840.1.101.3.4.1.43": "aes-256-ofb",
+"2.16.840.1.101.3.4.1.44": "aes-256-cfb"
+}
\ No newline at end of file
diff --git a/node_modules/parse-asn1/asn1.js b/node_modules/parse-asn1/asn1.js
new file mode 100644
index 00000000..9b20c946
--- /dev/null
+++ b/node_modules/parse-asn1/asn1.js
@@ -0,0 +1,123 @@
+// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js
+// Fedor, you are amazing.
+
+'use strict';
+
+var asn1 = require('asn1.js');
+
+exports.certificate = require('./certificate');
+
+var RSAPrivateKey = asn1.define('RSAPrivateKey', function () {
+	this.seq().obj(
+		this.key('version')['int'](),
+		this.key('modulus')['int'](),
+		this.key('publicExponent')['int'](),
+		this.key('privateExponent')['int'](),
+		this.key('prime1')['int'](),
+		this.key('prime2')['int'](),
+		this.key('exponent1')['int'](),
+		this.key('exponent2')['int'](),
+		this.key('coefficient')['int']()
+	);
+});
+exports.RSAPrivateKey = RSAPrivateKey;
+
+var RSAPublicKey = asn1.define('RSAPublicKey', function () {
+	this.seq().obj(
+		this.key('modulus')['int'](),
+		this.key('publicExponent')['int']()
+	);
+});
+exports.RSAPublicKey = RSAPublicKey;
+
+var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () {
+	this.seq().obj(
+		this.key('algorithm').objid(),
+		this.key('none').null_().optional(),
+		this.key('curve').objid().optional(),
+		this.key('params').seq().obj(
+			this.key('p')['int'](),
+			this.key('q')['int'](),
+			this.key('g')['int']()
+		).optional()
+	);
+});
+
+var PublicKey = asn1.define('SubjectPublicKeyInfo', function () {
+	this.seq().obj(
+		this.key('algorithm').use(AlgorithmIdentifier),
+		this.key('subjectPublicKey').bitstr()
+	);
+});
+exports.PublicKey = PublicKey;
+
+var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () {
+	this.seq().obj(
+		this.key('version')['int'](),
+		this.key('algorithm').use(AlgorithmIdentifier),
+		this.key('subjectPrivateKey').octstr()
+	);
+});
+exports.PrivateKey = PrivateKeyInfo;
+var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () {
+	this.seq().obj(
+		this.key('algorithm').seq().obj(
+			this.key('id').objid(),
+			this.key('decrypt').seq().obj(
+				this.key('kde').seq().obj(
+					this.key('id').objid(),
+					this.key('kdeparams').seq().obj(
+						this.key('salt').octstr(),
+						this.key('iters')['int']()
+					)
+				),
+				this.key('cipher').seq().obj(
+					this.key('algo').objid(),
+					this.key('iv').octstr()
+				)
+			)
+		),
+		this.key('subjectPrivateKey').octstr()
+	);
+});
+
+exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo;
+
+var DSAPrivateKey = asn1.define('DSAPrivateKey', function () {
+	this.seq().obj(
+		this.key('version')['int'](),
+		this.key('p')['int'](),
+		this.key('q')['int'](),
+		this.key('g')['int'](),
+		this.key('pub_key')['int'](),
+		this.key('priv_key')['int']()
+	);
+});
+exports.DSAPrivateKey = DSAPrivateKey;
+
+exports.DSAparam = asn1.define('DSAparam', function () {
+	this['int']();
+});
+
+var ECParameters = asn1.define('ECParameters', function () {
+	this.choice({
+		namedCurve: this.objid()
+	});
+});
+
+var ECPrivateKey = asn1.define('ECPrivateKey', function () {
+	this.seq().obj(
+		this.key('version')['int'](),
+		this.key('privateKey').octstr(),
+		this.key('parameters').optional().explicit(0).use(ECParameters),
+		this.key('publicKey').optional().explicit(1).bitstr()
+	);
+});
+exports.ECPrivateKey = ECPrivateKey;
+
+exports.signature = asn1.define('signature', function () {
+	this.seq().obj(
+		this.key('r')['int'](),
+		this.key('s')['int']()
+	);
+});
diff --git a/node_modules/parse-asn1/certificate.js b/node_modules/parse-asn1/certificate.js
new file mode 100644
index 00000000..3529c72a
--- /dev/null
+++ b/node_modules/parse-asn1/certificate.js
@@ -0,0 +1,89 @@
+// from https://github.com/Rantanen/node-dtls/blob/25a7dc861bda38cfeac93a723500eea4f0ac2e86/Certificate.js
+// thanks to @Rantanen
+
+'use strict';
+
+var asn = require('asn1.js');
+
+var Time = asn.define('Time', function () {
+	this.choice({
+		utcTime: this.utctime(),
+		generalTime: this.gentime()
+	});
+});
+
+var AttributeTypeValue = asn.define('AttributeTypeValue', function () {
+	this.seq().obj(
+		this.key('type').objid(),
+		this.key('value').any()
+	);
+});
+
+var AlgorithmIdentifier = asn.define('AlgorithmIdentifier', function () {
+	this.seq().obj(
+		this.key('algorithm').objid(),
+		this.key('parameters').optional(),
+		this.key('curve').objid().optional()
+	);
+});
+
+var SubjectPublicKeyInfo = asn.define('SubjectPublicKeyInfo', function () {
+	this.seq().obj(
+		this.key('algorithm').use(AlgorithmIdentifier),
+		this.key('subjectPublicKey').bitstr()
+	);
+});
+
+var RelativeDistinguishedName = asn.define('RelativeDistinguishedName', function () {
+	this.setof(AttributeTypeValue);
+});
+
+var RDNSequence = asn.define('RDNSequence', function () {
+	this.seqof(RelativeDistinguishedName);
+});
+
+var Name = asn.define('Name', function () {
+	this.choice({
+		rdnSequence: this.use(RDNSequence)
+	});
+});
+
+var Validity = asn.define('Validity', function () {
+	this.seq().obj(
+		this.key('notBefore').use(Time),
+		this.key('notAfter').use(Time)
+	);
+});
+
+var Extension = asn.define('Extension', function () {
+	this.seq().obj(
+		this.key('extnID').objid(),
+		this.key('critical').bool().def(false),
+		this.key('extnValue').octstr()
+	);
+});
+
+var TBSCertificate = asn.define('TBSCertificate', function () {
+	this.seq().obj(
+		this.key('version').explicit(0)['int']().optional(),
+		this.key('serialNumber')['int'](),
+		this.key('signature').use(AlgorithmIdentifier),
+		this.key('issuer').use(Name),
+		this.key('validity').use(Validity),
+		this.key('subject').use(Name),
+		this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo),
+		this.key('issuerUniqueID').implicit(1).bitstr().optional(),
+		this.key('subjectUniqueID').implicit(2).bitstr().optional(),
+		this.key('extensions').explicit(3).seqof(Extension).optional()
+	);
+});
+
+var X509Certificate = asn.define('X509Certificate', function () {
+	this.seq().obj(
+		this.key('tbsCertificate').use(TBSCertificate),
+		this.key('signatureAlgorithm').use(AlgorithmIdentifier),
+		this.key('signatureValue').bitstr()
+	);
+});
+
+module.exports = X509Certificate;
diff --git a/node_modules/parse-asn1/fixProc.js b/node_modules/parse-asn1/fixProc.js
new file mode 100644
index 00000000..0e3d234c
--- /dev/null
+++ b/node_modules/parse-asn1/fixProc.js
@@ -0,0 +1,33 @@
+'use strict';
+
+// adapted from https://github.com/apatil/pemstrip
+var findProc = /Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r+/=]+)[\n\r]+/m;
+var startRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m;
+var fullRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r+/=]+)-----END \1-----$/m;
+var evp = require('evp_bytestokey');
+var ciphers = require('browserify-aes');
+var Buffer = require('safe-buffer').Buffer;
+module.exports = function (okey, password) {
+	var key = okey.toString();
+	var match = key.match(findProc);
+	var decrypted;
+	if (!match) {
+		var match2 = key.match(fullRegex);
+		decrypted = Buffer.from(match2[2].replace(/[\r\n]/g, ''), 'base64');
+	} else {
+		var suite = 'aes' + match[1];
+		var iv = Buffer.from(match[2], 'hex');
+		var cipherText = Buffer.from(match[3].replace(/[\r\n]/g, ''), 'base64');
+		var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key;
+		var out = [];
+		var cipher = ciphers.createDecipheriv(suite, cipherKey, iv);
+		out.push(cipher.update(cipherText));
+		out.push(cipher['final']());
+		decrypted = Buffer.concat(out);
+	}
+	var tag = key.match(startRegex)[1];
+	return {
+		tag: tag,
+		data: decrypted
+	};
+};
diff --git a/node_modules/parse-asn1/index.js b/node_modules/parse-asn1/index.js
new file mode 100644
index 00000000..af90d556
--- /dev/null
+++ b/node_modules/parse-asn1/index.js
@@ -0,0 +1,111 @@
+'use strict';
+
+var asn1 = require('./asn1');
+var aesid = require('./aesid.json');
+var fixProc = require('./fixProc');
+var ciphers = require('browserify-aes');
+var compat = require('pbkdf2');
+var Buffer = require('safe-buffer').Buffer;
+
+function decrypt(data, password) {
+	var salt = data.algorithm.decrypt.kde.kdeparams.salt;
+	var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10);
+	var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')];
+	var iv = data.algorithm.decrypt.cipher.iv;
+	var cipherText = data.subjectPrivateKey;
+	var keylen = parseInt(algo.split('-')[1], 10) / 8;
+	var key = compat.pbkdf2Sync(password, salt, iters, keylen, 'sha1');
+	var cipher = ciphers.createDecipheriv(algo, key, iv);
+	var out = [];
+	out.push(cipher.update(cipherText));
+	out.push(cipher['final']());
+	return Buffer.concat(out);
+}
+
+function parseKeys(buffer) {
+	var password;
+	if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) {
+		password = buffer.passphrase;
+		buffer = buffer.key;
+	}
+	if (typeof buffer === 'string') {
+		buffer = Buffer.from(buffer);
+	}
+
+	var stripped = fixProc(buffer, password);
+
+	var type = stripped.tag;
+	var data = stripped.data;
+	var subtype, ndata;
+	switch (type) {
+		case 'CERTIFICATE':
+			ndata = asn1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo;
+			// falls through
+		case 'PUBLIC KEY':
+			if (!ndata) {
+				ndata = asn1.PublicKey.decode(data, 'der');
+			}
+			subtype = ndata.algorithm.algorithm.join('.');
+			switch (subtype) {
+				case '1.2.840.113549.1.1.1':
+					return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der');
+				case '1.2.840.10045.2.1':
+					ndata.subjectPrivateKey = ndata.subjectPublicKey;
+					return {
+						type: 'ec',
+						data: ndata
+					};
+				case '1.2.840.10040.4.1':
+					ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der');
+					return {
+						type: 'dsa',
+						data: ndata.algorithm.params
+					};
+				default: throw new Error('unknown key id ' + subtype);
+			}
+			// throw new Error('unknown key type ' + type)
+		case 'ENCRYPTED PRIVATE KEY':
+			data = asn1.EncryptedPrivateKey.decode(data, 'der');
+			data = decrypt(data, password);
+			// falls through
+		case 'PRIVATE KEY':
+			ndata = asn1.PrivateKey.decode(data, 'der');
+			subtype = ndata.algorithm.algorithm.join('.');
+			switch (subtype) {
+				case '1.2.840.113549.1.1.1':
+					return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der');
+				case '1.2.840.10045.2.1':
+					return {
+						curve: ndata.algorithm.curve,
+						privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey
+					};
+				case '1.2.840.10040.4.1':
+					ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der');
+					return {
+						type: 'dsa',
+						params: ndata.algorithm.params
+					};
+				default: throw new Error('unknown key id ' + subtype);
+			}
+			// throw new Error('unknown key type ' + type)
+		case 'RSA PUBLIC KEY':
+			return asn1.RSAPublicKey.decode(data, 'der');
+		case 'RSA PRIVATE KEY':
+			return asn1.RSAPrivateKey.decode(data, 'der');
+		case 'DSA PRIVATE KEY':
+			return {
+				type: 'dsa',
+				params: asn1.DSAPrivateKey.decode(data, 'der')
+			};
+		case 'EC PRIVATE KEY':
+			data = asn1.ECPrivateKey.decode(data, 'der');
+			return {
+				curve: data.parameters.value,
+				privateKey: data.privateKey
+			};
+		default: throw new Error('unknown key type ' + type);
+	}
+}
+parseKeys.signature = asn1.signature;
+
+module.exports = parseKeys;
diff --git a/node_modules/parse-asn1/package.json b/node_modules/parse-asn1/package.json
new file mode 100644
index 00000000..7c832730
--- /dev/null
+++ b/node_modules/parse-asn1/package.json
@@ -0,0 +1,59 @@
+{
+	"name": "parse-asn1",
+	"version": "5.1.7",
+	"description": "utility library for parsing asn1 files for use with browserify-sign.",
+	"main": "index.js",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"lint": "eslint --ext=js,mjs .",
+		"tests-only": "tape 'test/**/*.js'",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/crypto-browserify/parse-asn1.git"
+	},
+	"author": "",
+	"license": "ISC",
+	"dependencies": {
+		"asn1.js": "^4.10.1",
+		"browserify-aes": "^1.2.0",
+		"evp_bytestokey": "^1.0.3",
+		"hash-base": "~3.0",
+		"pbkdf2": "^3.1.2",
+		"safe-buffer": "^5.2.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5"
+	},
+	"engines": {
+		"node": ">= 0.10"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test"
+		]
+	}
+}
diff --git a/node_modules/pascalcase/LICENSE b/node_modules/pascalcase/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/pascalcase/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/pascalcase/README.md b/node_modules/pascalcase/README.md
new file mode 100644
index 00000000..fa3fd00f
--- /dev/null
+++ b/node_modules/pascalcase/README.md
@@ -0,0 +1,80 @@
+# pascalcase [![NPM version](https://badge.fury.io/js/pascalcase.svg)](http://badge.fury.io/js/pascalcase)
+
+> Convert a string to pascal-case.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i pascalcase --save
+```
+
+## Usage
+
+```js
+var pascalcase = require('pascalcase');
+
+pascalcase('a');
+//=> 'A'
+
+pascalcase('foo bar baz');
+//=> 'FooBarBaz'
+
+pascalcase('foo_bar-baz');
+//=> 'FooBarBaz'
+
+pascalcase('foo.bar.baz');
+//=> 'FooBarBaz'
+
+pascalcase('foo/bar/baz');
+//=> 'FooBarBaz'
+
+pascalcase('foo[bar)baz');
+//=> 'FooBarBaz'
+
+pascalcase('#foo+bar*baz');
+//=> 'FooBarBaz'
+
+pascalcase('$foo~bar`baz');
+//=> 'FooBarBaz'
+
+pascalcase('_foo_bar-baz-');
+//=> 'FooBarBaz'
+```
+
+## Related projects
+
+* [justified](https://github.com/jonschlinkert/justified): Wrap words to a specified length and justified the text.
+* [pad-left](https://github.com/jonschlinkert/pad-left): Left pad a string with zeros or a specified string. Fastest implementation.
+* [pad-right](https://github.com/jonschlinkert/pad-right): Right pad a string with zeros or a specified string. Fastest implementation.
+* [repeat-string](https://github.com/jonschlinkert/repeat-string): Repeat the given string n times. Fastest implementation for repeating a string.
+* [word-wrap](https://github.com/jonschlinkert/word-wrap): Wrap words to a specified length.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/pascalcase/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 19, 2015._
\ No newline at end of file
diff --git a/node_modules/pascalcase/index.js b/node_modules/pascalcase/index.js
new file mode 100644
index 00000000..7e8159ce
--- /dev/null
+++ b/node_modules/pascalcase/index.js
@@ -0,0 +1,21 @@
+/*!
+ * pascalcase <https://github.com/jonschlinkert/pascalcase>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+function pascalcase(str) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string.');
+  }
+  str = str.replace(/([A-Z])/g, ' $1');
+  if (str.length === 1) { return str.toUpperCase(); }
+  str = str.replace(/^[\W_]+|[\W_]+$/g, '').toLowerCase();
+  str = str.charAt(0).toUpperCase() + str.slice(1);
+  return str.replace(/[\W_]+(\w|$)/g, function (_, ch) {
+    return ch.toUpperCase();
+  });
+}
+
+module.exports = pascalcase;
diff --git a/node_modules/pascalcase/package.json b/node_modules/pascalcase/package.json
new file mode 100644
index 00000000..0576d139
--- /dev/null
+++ b/node_modules/pascalcase/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "pascalcase",
+  "description": "Convert a string to pascal-case.",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/pascalcase",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/pascalcase",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/pascalcase/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "*"
+  },
+  "keywords": [
+    "camelcase",
+    "case",
+    "casing",
+    "pascal",
+    "pascal-case",
+    "pascalcase",
+    "string"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "pad-left",
+        "pad-right",
+        "word-wrap",
+        "repeat-string",
+        "justified"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/node_modules/path-browserify/LICENSE b/node_modules/path-browserify/LICENSE
new file mode 100644
index 00000000..ee27ba4b
--- /dev/null
+++ b/node_modules/path-browserify/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/path-browserify/index.js b/node_modules/path-browserify/index.js
new file mode 100644
index 00000000..208658a2
--- /dev/null
+++ b/node_modules/path-browserify/index.js
@@ -0,0 +1,302 @@
+// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,
+// backported and transplited with Babel, with backwards-compat fixes
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// resolves . and .. elements in a path array with directory names there
+// must be no slashes, empty elements, or device names (c:\) in the array
+// (so also no leading and trailing slashes - it does not distinguish
+// relative and absolute paths)
+function normalizeArray(parts, allowAboveRoot) {
+  // if the path tries to go above the root, `up` ends up > 0
+  var up = 0;
+  for (var i = parts.length - 1; i >= 0; i--) {
+    var last = parts[i];
+    if (last === '.') {
+      parts.splice(i, 1);
+    } else if (last === '..') {
+      parts.splice(i, 1);
+      up++;
+    } else if (up) {
+      parts.splice(i, 1);
+      up--;
+    }
+  }
+
+  // if the path is allowed to go above the root, restore leading ..s
+  if (allowAboveRoot) {
+    for (; up--; up) {
+      parts.unshift('..');
+    }
+  }
+
+  return parts;
+}
+
+// path.resolve([from ...], to)
+// posix version
+exports.resolve = function() {
+  var resolvedPath = '',
+      resolvedAbsolute = false;
+
+  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+    var path = (i >= 0) ? arguments[i] : process.cwd();
+
+    // Skip empty and invalid entries
+    if (typeof path !== 'string') {
+      throw new TypeError('Arguments to path.resolve must be strings');
+    } else if (!path) {
+      continue;
+    }
+
+    resolvedPath = path + '/' + resolvedPath;
+    resolvedAbsolute = path.charAt(0) === '/';
+  }
+
+  // At this point the path should be resolved to a full absolute path, but
+  // handle relative paths to be safe (might happen when process.cwd() fails)
+
+  // Normalize the path
+  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
+    return !!p;
+  }), !resolvedAbsolute).join('/');
+
+  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+};
+
+// path.normalize(path)
+// posix version
+exports.normalize = function(path) {
+  var isAbsolute = exports.isAbsolute(path),
+      trailingSlash = substr(path, -1) === '/';
+
+  // Normalize the path
+  path = normalizeArray(filter(path.split('/'), function(p) {
+    return !!p;
+  }), !isAbsolute).join('/');
+
+  if (!path && !isAbsolute) {
+    path = '.';
+  }
+  if (path && trailingSlash) {
+    path += '/';
+  }
+
+  return (isAbsolute ? '/' : '') + path;
+};
+
+// posix version
+exports.isAbsolute = function(path) {
+  return path.charAt(0) === '/';
+};
+
+// posix version
+exports.join = function() {
+  var paths = Array.prototype.slice.call(arguments, 0);
+  return exports.normalize(filter(paths, function(p, index) {
+    if (typeof p !== 'string') {
+      throw new TypeError('Arguments to path.join must be strings');
+    }
+    return p;
+  }).join('/'));
+};
+
+
+// path.relative(from, to)
+// posix version
+exports.relative = function(from, to) {
+  from = exports.resolve(from).substr(1);
+  to = exports.resolve(to).substr(1);
+
+  function trim(arr) {
+    var start = 0;
+    for (; start < arr.length; start++) {
+      if (arr[start] !== '') break;
+    }
+
+    var end = arr.length - 1;
+    for (; end >= 0; end--) {
+      if (arr[end] !== '') break;
+    }
+
+    if (start > end) return [];
+    return arr.slice(start, end - start + 1);
+  }
+
+  var fromParts = trim(from.split('/'));
+  var toParts = trim(to.split('/'));
+
+  var length = Math.min(fromParts.length, toParts.length);
+  var samePartsLength = length;
+  for (var i = 0; i < length; i++) {
+    if (fromParts[i] !== toParts[i]) {
+      samePartsLength = i;
+      break;
+    }
+  }
+
+  var outputParts = [];
+  for (var i = samePartsLength; i < fromParts.length; i++) {
+    outputParts.push('..');
+  }
+
+  outputParts = outputParts.concat(toParts.slice(samePartsLength));
+
+  return outputParts.join('/');
+};
+
+exports.sep = '/';
+exports.delimiter = ':';
+
+exports.dirname = function (path) {
+  if (typeof path !== 'string') path = path + '';
+  if (path.length === 0) return '.';
+  var code = path.charCodeAt(0);
+  var hasRoot = code === 47 /*/*/;
+  var end = -1;
+  var matchedSlash = true;
+  for (var i = path.length - 1; i >= 1; --i) {
+    code = path.charCodeAt(i);
+    if (code === 47 /*/*/) {
+        if (!matchedSlash) {
+          end = i;
+          break;
+        }
+      } else {
+      // We saw the first non-path separator
+      matchedSlash = false;
+    }
+  }
+
+  if (end === -1) return hasRoot ? '/' : '.';
+  if (hasRoot && end === 1) {
+    // return '//';
+    // Backwards-compat fix:
+    return '/';
+  }
+  return path.slice(0, end);
+};
+
+function basename(path) {
+  if (typeof path !== 'string') path = path + '';
+
+  var start = 0;
+  var end = -1;
+  var matchedSlash = true;
+  var i;
+
+  for (i = path.length - 1; i >= 0; --i) {
+    if (path.charCodeAt(i) === 47 /*/*/) {
+        // If we reached a path separator that was not part of a set of path
+        // separators at the end of the string, stop now
+        if (!matchedSlash) {
+          start = i + 1;
+          break;
+        }
+      } else if (end === -1) {
+      // We saw the first non-path separator, mark this as the end of our
+      // path component
+      matchedSlash = false;
+      end = i + 1;
+    }
+  }
+
+  if (end === -1) return '';
+  return path.slice(start, end);
+}
+
+// Uses a mixed approach for backwards-compatibility, as ext behavior changed
+// in new Node.js versions, so only basename() above is backported here
+exports.basename = function (path, ext) {
+  var f = basename(path);
+  if (ext && f.substr(-1 * ext.length) === ext) {
+    f = f.substr(0, f.length - ext.length);
+  }
+  return f;
+};
+
+exports.extname = function (path) {
+  if (typeof path !== 'string') path = path + '';
+  var startDot = -1;
+  var startPart = 0;
+  var end = -1;
+  var matchedSlash = true;
+  // Track the state of characters (if any) we see before our first dot and
+  // after any path separator we find
+  var preDotState = 0;
+  for (var i = path.length - 1; i >= 0; --i) {
+    var code = path.charCodeAt(i);
+    if (code === 47 /*/*/) {
+        // If we reached a path separator that was not part of a set of path
+        // separators at the end of the string, stop now
+        if (!matchedSlash) {
+          startPart = i + 1;
+          break;
+        }
+        continue;
+      }
+    if (end === -1) {
+      // We saw the first non-path separator, mark this as the end of our
+      // extension
+      matchedSlash = false;
+      end = i + 1;
+    }
+    if (code === 46 /*.*/) {
+        // If this is our first dot, mark it as the start of our extension
+        if (startDot === -1)
+          startDot = i;
+        else if (preDotState !== 1)
+          preDotState = 1;
+    } else if (startDot !== -1) {
+      // We saw a non-dot and non-path separator before our dot, so we should
+      // have a good chance at having a non-empty extension
+      preDotState = -1;
+    }
+  }
+
+  if (startDot === -1 || end === -1 ||
+      // We saw a non-dot character immediately before the dot
+      preDotState === 0 ||
+      // The (right-most) trimmed path component is exactly '..'
+      preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
+    return '';
+  }
+  return path.slice(startDot, end);
+};
+
+function filter (xs, f) {
+    if (xs.filter) return xs.filter(f);
+    var res = [];
+    for (var i = 0; i < xs.length; i++) {
+        if (f(xs[i], i, xs)) res.push(xs[i]);
+    }
+    return res;
+}
+
+// String.prototype.substr - negative index don't work in IE8
+var substr = 'ab'.substr(-1) === 'b'
+    ? function (str, start, len) { return str.substr(start, len) }
+    : function (str, start, len) {
+        if (start < 0) start = str.length + start;
+        return str.substr(start, len);
+    }
+;
diff --git a/node_modules/path-browserify/package.json b/node_modules/path-browserify/package.json
new file mode 100644
index 00000000..61828d6d
--- /dev/null
+++ b/node_modules/path-browserify/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "path-browserify",
+  "version": "0.0.1",
+  "description": "the path module from node core for browsers",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "~1.0.4"
+  },
+  "scripts": {
+    "test": "node test/test-path.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/path-browserify.git"
+  },
+  "homepage": "https://github.com/substack/path-browserify",
+  "keywords": [
+    "path",
+    "browser",
+    "browserify"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/path-browserify/readme.markdown b/node_modules/path-browserify/readme.markdown
new file mode 100644
index 00000000..8ae1dd89
--- /dev/null
+++ b/node_modules/path-browserify/readme.markdown
@@ -0,0 +1,3 @@
+# path-browserify
+
+the path module from node core for browsers
diff --git a/node_modules/path-browserify/test/test-path.js b/node_modules/path-browserify/test/test-path.js
new file mode 100644
index 00000000..29496e43
--- /dev/null
+++ b/node_modules/path-browserify/test/test-path.js
@@ -0,0 +1,424 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var assert = require('assert');
+
+var path = require('.');
+
+var isWindows = process.platform === 'win32';
+
+// Mock the node.js path
+var f = __dirname + '/simple/test-path.js';
+
+assert.equal(path.basename(f), 'test-path.js');
+assert.equal(path.basename(f, '.js'), 'test-path');
+assert.equal(path.basename(''), '');
+assert.equal(path.basename('/dir/basename.ext'), 'basename.ext');
+assert.equal(path.basename('/basename.ext'), 'basename.ext');
+assert.equal(path.basename('basename.ext'), 'basename.ext');
+assert.equal(path.basename('basename.ext/'), 'basename.ext');
+assert.equal(path.basename('basename.ext//'), 'basename.ext');
+
+if (isWindows) {
+  // On Windows a backslash acts as a path separator.
+  assert.equal(path.basename('\\dir\\basename.ext'), 'basename.ext');
+  assert.equal(path.basename('\\basename.ext'), 'basename.ext');
+  assert.equal(path.basename('basename.ext'), 'basename.ext');
+  assert.equal(path.basename('basename.ext\\'), 'basename.ext');
+  assert.equal(path.basename('basename.ext\\\\'), 'basename.ext');
+
+} else {
+  // On unix a backslash is just treated as any other character.
+  assert.equal(path.basename('\\dir\\basename.ext'), '\\dir\\basename.ext');
+  assert.equal(path.basename('\\basename.ext'), '\\basename.ext');
+  assert.equal(path.basename('basename.ext'), 'basename.ext');
+  assert.equal(path.basename('basename.ext\\'), 'basename.ext\\');
+  assert.equal(path.basename('basename.ext\\\\'), 'basename.ext\\\\');
+}
+
+// POSIX filenames may include control characters
+// c.f. http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html
+if (!isWindows) {
+  var controlCharFilename = 'Icon' + String.fromCharCode(13);
+  assert.equal(path.basename('/a/b/' + controlCharFilename),
+               controlCharFilename);
+}
+
+assert.equal(path.extname(f), '.js');
+
+assert.equal(path.dirname(f).substr(-11),
+             isWindows ? 'test\\simple' : 'test/simple');
+assert.equal(path.dirname('/a/b/'), '/a');
+assert.equal(path.dirname('/a/b'), '/a');
+assert.equal(path.dirname('/a'), '/');
+assert.equal(path.dirname(''), '.');
+assert.equal(path.dirname('/'), '/');
+assert.equal(path.dirname('////'), '/');
+
+if (isWindows) {
+  assert.equal(path.dirname('c:\\'), 'c:\\');
+  assert.equal(path.dirname('c:\\foo'), 'c:\\');
+  assert.equal(path.dirname('c:\\foo\\'), 'c:\\');
+  assert.equal(path.dirname('c:\\foo\\bar'), 'c:\\foo');
+  assert.equal(path.dirname('c:\\foo\\bar\\'), 'c:\\foo');
+  assert.equal(path.dirname('c:\\foo\\bar\\baz'), 'c:\\foo\\bar');
+  assert.equal(path.dirname('\\'), '\\');
+  assert.equal(path.dirname('\\foo'), '\\');
+  assert.equal(path.dirname('\\foo\\'), '\\');
+  assert.equal(path.dirname('\\foo\\bar'), '\\foo');
+  assert.equal(path.dirname('\\foo\\bar\\'), '\\foo');
+  assert.equal(path.dirname('\\foo\\bar\\baz'), '\\foo\\bar');
+  assert.equal(path.dirname('c:'), 'c:');
+  assert.equal(path.dirname('c:foo'), 'c:');
+  assert.equal(path.dirname('c:foo\\'), 'c:');
+  assert.equal(path.dirname('c:foo\\bar'), 'c:foo');
+  assert.equal(path.dirname('c:foo\\bar\\'), 'c:foo');
+  assert.equal(path.dirname('c:foo\\bar\\baz'), 'c:foo\\bar');
+  assert.equal(path.dirname('\\\\unc\\share'), '\\\\unc\\share');
+  assert.equal(path.dirname('\\\\unc\\share\\foo'), '\\\\unc\\share\\');
+  assert.equal(path.dirname('\\\\unc\\share\\foo\\'), '\\\\unc\\share\\');
+  assert.equal(path.dirname('\\\\unc\\share\\foo\\bar'),
+               '\\\\unc\\share\\foo');
+  assert.equal(path.dirname('\\\\unc\\share\\foo\\bar\\'),
+               '\\\\unc\\share\\foo');
+  assert.equal(path.dirname('\\\\unc\\share\\foo\\bar\\baz'),
+               '\\\\unc\\share\\foo\\bar');
+}
+
+
+assert.equal(path.extname(''), '');
+assert.equal(path.extname('/path/to/file'), '');
+assert.equal(path.extname('/path/to/file.ext'), '.ext');
+assert.equal(path.extname('/path.to/file.ext'), '.ext');
+assert.equal(path.extname('/path.to/file'), '');
+assert.equal(path.extname('/path.to/.file'), '');
+assert.equal(path.extname('/path.to/.file.ext'), '.ext');
+assert.equal(path.extname('/path/to/f.ext'), '.ext');
+assert.equal(path.extname('/path/to/..ext'), '.ext');
+assert.equal(path.extname('file'), '');
+assert.equal(path.extname('file.ext'), '.ext');
+assert.equal(path.extname('.file'), '');
+assert.equal(path.extname('.file.ext'), '.ext');
+assert.equal(path.extname('/file'), '');
+assert.equal(path.extname('/file.ext'), '.ext');
+assert.equal(path.extname('/.file'), '');
+assert.equal(path.extname('/.file.ext'), '.ext');
+assert.equal(path.extname('.path/file.ext'), '.ext');
+assert.equal(path.extname('file.ext.ext'), '.ext');
+assert.equal(path.extname('file.'), '.');
+assert.equal(path.extname('.'), '');
+assert.equal(path.extname('./'), '');
+assert.equal(path.extname('.file.ext'), '.ext');
+assert.equal(path.extname('.file'), '');
+assert.equal(path.extname('.file.'), '.');
+assert.equal(path.extname('.file..'), '.');
+assert.equal(path.extname('..'), '');
+assert.equal(path.extname('../'), '');
+assert.equal(path.extname('..file.ext'), '.ext');
+assert.equal(path.extname('..file'), '.file');
+assert.equal(path.extname('..file.'), '.');
+assert.equal(path.extname('..file..'), '.');
+assert.equal(path.extname('...'), '.');
+assert.equal(path.extname('...ext'), '.ext');
+assert.equal(path.extname('....'), '.');
+assert.equal(path.extname('file.ext/'), '.ext');
+assert.equal(path.extname('file.ext//'), '.ext');
+assert.equal(path.extname('file/'), '');
+assert.equal(path.extname('file//'), '');
+assert.equal(path.extname('file./'), '.');
+assert.equal(path.extname('file.//'), '.');
+
+if (isWindows) {
+  // On windows, backspace is a path separator.
+  assert.equal(path.extname('.\\'), '');
+  assert.equal(path.extname('..\\'), '');
+  assert.equal(path.extname('file.ext\\'), '.ext');
+  assert.equal(path.extname('file.ext\\\\'), '.ext');
+  assert.equal(path.extname('file\\'), '');
+  assert.equal(path.extname('file\\\\'), '');
+  assert.equal(path.extname('file.\\'), '.');
+  assert.equal(path.extname('file.\\\\'), '.');
+
+} else {
+  // On unix, backspace is a valid name component like any other character.
+  assert.equal(path.extname('.\\'), '');
+  assert.equal(path.extname('..\\'), '.\\');
+  assert.equal(path.extname('file.ext\\'), '.ext\\');
+  assert.equal(path.extname('file.ext\\\\'), '.ext\\\\');
+  assert.equal(path.extname('file\\'), '');
+  assert.equal(path.extname('file\\\\'), '');
+  assert.equal(path.extname('file.\\'), '.\\');
+  assert.equal(path.extname('file.\\\\'), '.\\\\');
+}
+
+// path.join tests
+var failures = [];
+var joinTests =
+    // arguments                     result
+    [[['.', 'x/b', '..', '/b/c.js'], 'x/b/c.js'],
+     [['/.', 'x/b', '..', '/b/c.js'], '/x/b/c.js'],
+     [['/foo', '../../../bar'], '/bar'],
+     [['foo', '../../../bar'], '../../bar'],
+     [['foo/', '../../../bar'], '../../bar'],
+     [['foo/x', '../../../bar'], '../bar'],
+     [['foo/x', './bar'], 'foo/x/bar'],
+     [['foo/x/', './bar'], 'foo/x/bar'],
+     [['foo/x/', '.', 'bar'], 'foo/x/bar'],
+     [['./'], './'],
+     [['.', './'], './'],
+     [['.', '.', '.'], '.'],
+     [['.', './', '.'], '.'],
+     [['.', '/./', '.'], '.'],
+     [['.', '/////./', '.'], '.'],
+     [['.'], '.'],
+     [['', '.'], '.'],
+     [['', 'foo'], 'foo'],
+     [['foo', '/bar'], 'foo/bar'],
+     [['', '/foo'], '/foo'],
+     [['', '', '/foo'], '/foo'],
+     [['', '', 'foo'], 'foo'],
+     [['foo', ''], 'foo'],
+     [['foo/', ''], 'foo/'],
+     [['foo', '', '/bar'], 'foo/bar'],
+     [['./', '..', '/foo'], '../foo'],
+     [['./', '..', '..', '/foo'], '../../foo'],
+     [['.', '..', '..', '/foo'], '../../foo'],
+     [['', '..', '..', '/foo'], '../../foo'],
+     [['/'], '/'],
+     [['/', '.'], '/'],
+     [['/', '..'], '/'],
+     [['/', '..', '..'], '/'],
+     [[''], '.'],
+     [['', ''], '.'],
+     [[' /foo'], ' /foo'],
+     [[' ', 'foo'], ' /foo'],
+     [[' ', '.'], ' '],
+     [[' ', '/'], ' /'],
+     [[' ', ''], ' '],
+     [['/', 'foo'], '/foo'],
+     [['/', '/foo'], '/foo'],
+     [['/', '//foo'], '/foo'],
+     [['/', '', '/foo'], '/foo'],
+     [['', '/', 'foo'], '/foo'],
+     [['', '/', '/foo'], '/foo']
+    ];
+
+// Windows-specific join tests
+if (isWindows) {
+  joinTests = joinTests.concat(
+    [// UNC path expected
+     [['//foo/bar'], '//foo/bar/'],
+     [['\\/foo/bar'], '//foo/bar/'],
+     [['\\\\foo/bar'], '//foo/bar/'],
+     // UNC path expected - server and share separate
+     [['//foo', 'bar'], '//foo/bar/'],
+     [['//foo/', 'bar'], '//foo/bar/'],
+     [['//foo', '/bar'], '//foo/bar/'],
+     // UNC path expected - questionable
+     [['//foo', '', 'bar'], '//foo/bar/'],
+     [['//foo/', '', 'bar'], '//foo/bar/'],
+     [['//foo/', '', '/bar'], '//foo/bar/'],
+     // UNC path expected - even more questionable
+     [['', '//foo', 'bar'], '//foo/bar/'],
+     [['', '//foo/', 'bar'], '//foo/bar/'],
+     [['', '//foo/', '/bar'], '//foo/bar/'],
+     // No UNC path expected (no double slash in first component)
+     [['\\', 'foo/bar'], '/foo/bar'],
+     [['\\', '/foo/bar'], '/foo/bar'],
+     [['', '/', '/foo/bar'], '/foo/bar'],
+     // No UNC path expected (no non-slashes in first component - questionable)
+     [['//', 'foo/bar'], '/foo/bar'],
+     [['//', '/foo/bar'], '/foo/bar'],
+     [['\\\\', '/', '/foo/bar'], '/foo/bar'],
+     [['//'], '/'],
+     // No UNC path expected (share name missing - questionable).
+     [['//foo'], '/foo'],
+     [['//foo/'], '/foo/'],
+     [['//foo', '/'], '/foo/'],
+     [['//foo', '', '/'], '/foo/'],
+     // No UNC path expected (too many leading slashes - questionable)
+     [['///foo/bar'], '/foo/bar'],
+     [['////foo', 'bar'], '/foo/bar'],
+     [['\\\\\\/foo/bar'], '/foo/bar'],
+     // Drive-relative vs drive-absolute paths. This merely describes the
+     // status quo, rather than being obviously right
+     [['c:'], 'c:.'],
+     [['c:.'], 'c:.'],
+     [['c:', ''], 'c:.'],
+     [['', 'c:'], 'c:.'],
+     [['c:.', '/'], 'c:./'],
+     [['c:.', 'file'], 'c:file'],
+     [['c:', '/'], 'c:/'],
+     [['c:', 'file'], 'c:/file']
+    ]);
+}
+
+// Run the join tests.
+joinTests.forEach(function(test) {
+  var actual = path.join.apply(path, test[0]);
+  var expected = isWindows ? test[1].replace(/\//g, '\\') : test[1];
+  var message = 'path.join(' + test[0].map(JSON.stringify).join(',') + ')' +
+                '\n  expect=' + JSON.stringify(expected) +
+                '\n  actual=' + JSON.stringify(actual);
+  if (actual !== expected) failures.push('\n' + message);
+  // assert.equal(actual, expected, message);
+});
+assert.equal(failures.length, 0, failures.join(''));
+var joinThrowTests = [true, false, 7, null, {}, undefined, [], NaN];
+joinThrowTests.forEach(function(test) {
+  assert.throws(function() {
+    path.join(test);
+  }, TypeError);
+  assert.throws(function() {
+    path.resolve(test);
+  }, TypeError);
+});
+
+
+// path normalize tests
+if (isWindows) {
+  assert.equal(path.normalize('./fixtures///b/../b/c.js'),
+               'fixtures\\b\\c.js');
+  assert.equal(path.normalize('/foo/../../../bar'), '\\bar');
+  assert.equal(path.normalize('a//b//../b'), 'a\\b');
+  assert.equal(path.normalize('a//b//./c'), 'a\\b\\c');
+  assert.equal(path.normalize('a//b//.'), 'a\\b');
+  assert.equal(path.normalize('//server/share/dir/file.ext'),
+               '\\\\server\\share\\dir\\file.ext');
+} else {
+  assert.equal(path.normalize('./fixtures///b/../b/c.js'),
+               'fixtures/b/c.js');
+  assert.equal(path.normalize('/foo/../../../bar'), '/bar');
+  assert.equal(path.normalize('a//b//../b'), 'a/b');
+  assert.equal(path.normalize('a//b//./c'), 'a/b/c');
+  assert.equal(path.normalize('a//b//.'), 'a/b');
+}
+
+// path.resolve tests
+if (isWindows) {
+  // windows
+  var resolveTests =
+      // arguments                                    result
+      [[['c:/blah\\blah', 'd:/games', 'c:../a'], 'c:\\blah\\a'],
+       [['c:/ignore', 'd:\\a/b\\c/d', '\\e.exe'], 'd:\\e.exe'],
+       [['c:/ignore', 'c:/some/file'], 'c:\\some\\file'],
+       [['d:/ignore', 'd:some/dir//'], 'd:\\ignore\\some\\dir'],
+       [['.'], process.cwd()],
+       [['//server/share', '..', 'relative\\'], '\\\\server\\share\\relative'],
+       [['c:/', '//'], 'c:\\'],
+       [['c:/', '//dir'], 'c:\\dir'],
+       [['c:/', '//server/share'], '\\\\server\\share\\'],
+       [['c:/', '//server//share'], '\\\\server\\share\\'],
+       [['c:/', '///some//dir'], 'c:\\some\\dir']
+      ];
+} else {
+  // Posix
+  var resolveTests =
+      // arguments                                    result
+      [[['/var/lib', '../', 'file/'], '/var/file'],
+       [['/var/lib', '/../', 'file/'], '/file'],
+       [['a/b/c/', '../../..'], process.cwd()],
+       [['.'], process.cwd()],
+       [['/some/dir', '.', '/absolute/'], '/absolute']];
+}
+var failures = [];
+resolveTests.forEach(function(test) {
+  var actual = path.resolve.apply(path, test[0]);
+  var expected = test[1];
+  var message = 'path.resolve(' + test[0].map(JSON.stringify).join(',') + ')' +
+                '\n  expect=' + JSON.stringify(expected) +
+                '\n  actual=' + JSON.stringify(actual);
+  if (actual !== expected) failures.push('\n' + message);
+  // assert.equal(actual, expected, message);
+});
+assert.equal(failures.length, 0, failures.join(''));
+
+// path.isAbsolute tests
+if (isWindows) {
+  assert.equal(path.isAbsolute('//server/file'), true);
+  assert.equal(path.isAbsolute('\\\\server\\file'), true);
+  assert.equal(path.isAbsolute('C:/Users/'), true);
+  assert.equal(path.isAbsolute('C:\\Users\\'), true);
+  assert.equal(path.isAbsolute('C:cwd/another'), false);
+  assert.equal(path.isAbsolute('C:cwd\\another'), false);
+  assert.equal(path.isAbsolute('directory/directory'), false);
+  assert.equal(path.isAbsolute('directory\\directory'), false);
+} else {
+  assert.equal(path.isAbsolute('/home/foo'), true);
+  assert.equal(path.isAbsolute('/home/foo/..'), true);
+  assert.equal(path.isAbsolute('bar/'), false);
+  assert.equal(path.isAbsolute('./baz'), false);
+}
+
+// path.relative tests
+if (isWindows) {
+  // windows
+  var relativeTests =
+      // arguments                     result
+      [['c:/blah\\blah', 'd:/games', 'd:\\games'],
+       ['c:/aaaa/bbbb', 'c:/aaaa', '..'],
+       ['c:/aaaa/bbbb', 'c:/cccc', '..\\..\\cccc'],
+       ['c:/aaaa/bbbb', 'c:/aaaa/bbbb', ''],
+       ['c:/aaaa/bbbb', 'c:/aaaa/cccc', '..\\cccc'],
+       ['c:/aaaa/', 'c:/aaaa/cccc', 'cccc'],
+       ['c:/', 'c:\\aaaa\\bbbb', 'aaaa\\bbbb'],
+       ['c:/aaaa/bbbb', 'd:\\', 'd:\\']];
+} else {
+  // posix
+  var relativeTests =
+      // arguments                    result
+      [['/var/lib', '/var', '..'],
+       ['/var/lib', '/bin', '../../bin'],
+       ['/var/lib', '/var/lib', ''],
+       ['/var/lib', '/var/apache', '../apache'],
+       ['/var/', '/var/lib', 'lib'],
+       ['/', '/var/lib', 'var/lib']];
+}
+var failures = [];
+relativeTests.forEach(function(test) {
+  var actual = path.relative(test[0], test[1]);
+  var expected = test[2];
+  var message = 'path.relative(' +
+                test.slice(0, 2).map(JSON.stringify).join(',') +
+                ')' +
+                '\n  expect=' + JSON.stringify(expected) +
+                '\n  actual=' + JSON.stringify(actual);
+  if (actual !== expected) failures.push('\n' + message);
+});
+assert.equal(failures.length, 0, failures.join(''));
+
+// path.sep tests
+if (isWindows) {
+  // windows
+  assert.equal(path.sep, '\\');
+} else {
+  // posix
+  assert.equal(path.sep, '/');
+}
+
+// path.delimiter tests
+if (isWindows) {
+  // windows
+  assert.equal(path.delimiter, ';');
+} else {
+  // posix
+  assert.equal(path.delimiter, ':');
+}
diff --git a/node_modules/path-dirname/index.js b/node_modules/path-dirname/index.js
new file mode 100644
index 00000000..ed67817a
--- /dev/null
+++ b/node_modules/path-dirname/index.js
@@ -0,0 +1,143 @@
+'use strict';
+
+var path = require('path');
+var inspect = require('util').inspect;
+
+function assertPath(path) {
+  if (typeof path !== 'string') {
+    throw new TypeError('Path must be a string. Received ' + inspect(path));
+  }
+}
+
+function posix(path) {
+  assertPath(path);
+  if (path.length === 0)
+    return '.';
+  var code = path.charCodeAt(0);
+  var hasRoot = (code === 47/*/*/);
+  var end = -1;
+  var matchedSlash = true;
+  for (var i = path.length - 1; i >= 1; --i) {
+    code = path.charCodeAt(i);
+    if (code === 47/*/*/) {
+      if (!matchedSlash) {
+        end = i;
+        break;
+      }
+    } else {
+      // We saw the first non-path separator
+      matchedSlash = false;
+    }
+  }
+
+  if (end === -1)
+    return hasRoot ? '/' : '.';
+  if (hasRoot && end === 1)
+    return '//';
+  return path.slice(0, end);
+}
+
+function win32(path) {
+  assertPath(path);
+  var len = path.length;
+  if (len === 0)
+    return '.';
+  var rootEnd = -1;
+  var end = -1;
+  var matchedSlash = true;
+  var offset = 0;
+  var code = path.charCodeAt(0);
+
+  // Try to match a root
+  if (len > 1) {
+    if (code === 47/*/*/ || code === 92/*\*/) {
+      // Possible UNC root
+
+      rootEnd = offset = 1;
+
+      code = path.charCodeAt(1);
+      if (code === 47/*/*/ || code === 92/*\*/) {
+        // Matched double path separator at beginning
+        var j = 2;
+        var last = j;
+        // Match 1 or more non-path separators
+        for (; j < len; ++j) {
+          code = path.charCodeAt(j);
+          if (code === 47/*/*/ || code === 92/*\*/)
+            break;
+        }
+        if (j < len && j !== last) {
+          // Matched!
+          last = j;
+          // Match 1 or more path separators
+          for (; j < len; ++j) {
+            code = path.charCodeAt(j);
+            if (code !== 47/*/*/ && code !== 92/*\*/)
+              break;
+          }
+          if (j < len && j !== last) {
+            // Matched!
+            last = j;
+            // Match 1 or more non-path separators
+            for (; j < len; ++j) {
+              code = path.charCodeAt(j);
+              if (code === 47/*/*/ || code === 92/*\*/)
+                break;
+            }
+            if (j === len) {
+              // We matched a UNC root only
+              return path;
+            }
+            if (j !== last) {
+              // We matched a UNC root with leftovers
+
+              // Offset by 1 to include the separator after the UNC root to
+              // treat it as a "normal root" on top of a (UNC) root
+              rootEnd = offset = j + 1;
+            }
+          }
+        }
+      }
+    } else if ((code >= 65/*A*/ && code <= 90/*Z*/) ||
+               (code >= 97/*a*/ && code <= 122/*z*/)) {
+      // Possible device root
+
+      code = path.charCodeAt(1);
+      if (path.charCodeAt(1) === 58/*:*/) {
+        rootEnd = offset = 2;
+        if (len > 2) {
+          code = path.charCodeAt(2);
+          if (code === 47/*/*/ || code === 92/*\*/)
+            rootEnd = offset = 3;
+        }
+      }
+    }
+  } else if (code === 47/*/*/ || code === 92/*\*/) {
+    return path[0];
+  }
+
+  for (var i = len - 1; i >= offset; --i) {
+    code = path.charCodeAt(i);
+    if (code === 47/*/*/ || code === 92/*\*/) {
+      if (!matchedSlash) {
+        end = i;
+        break;
+      }
+    } else {
+      // We saw the first non-path separator
+      matchedSlash = false;
+    }
+  }
+
+  if (end === -1) {
+    if (rootEnd === -1)
+      return '.';
+    else
+      end = rootEnd;
+  }
+  return path.slice(0, end);
+}
+
+module.exports = process.platform === 'win32' ? win32 : posix;
+module.exports.posix = posix;
+module.exports.win32 = win32;
diff --git a/node_modules/path-dirname/license b/node_modules/path-dirname/license
new file mode 100644
index 00000000..1981663a
--- /dev/null
+++ b/node_modules/path-dirname/license
@@ -0,0 +1,22 @@
+
+The MIT License (MIT)
+
+Copyright (c) Elan Shanker and Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/path-dirname/package.json b/node_modules/path-dirname/package.json
new file mode 100644
index 00000000..eb78533b
--- /dev/null
+++ b/node_modules/path-dirname/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "path-dirname",
+  "version": "1.0.2",
+  "description": "Node.js path.dirname() ponyfill",
+  "license": "MIT",
+  "repository": "es128/path-dirname",
+  "author": "Elan Shanker",
+  "scripts": {
+    "test": "node test.js"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "dirname",
+    "dir",
+    "path",
+    "paths",
+    "file",
+    "built-in",
+    "util",
+    "utils",
+    "core",
+    "stdlib",
+    "ponyfill",
+    "polyfill",
+    "shim"
+  ]
+}
diff --git a/node_modules/path-dirname/readme.md b/node_modules/path-dirname/readme.md
new file mode 100644
index 00000000..652a5623
--- /dev/null
+++ b/node_modules/path-dirname/readme.md
@@ -0,0 +1,53 @@
+# path-dirname [![Build Status](https://travis-ci.org/es128/path-dirname.svg?branch=master)](https://travis-ci.org/es128/path-dirname)
+
+> Node.js [`path.dirname()`](https://nodejs.org/api/path.html#path_path_dirname_path) [ponyfill](https://ponyfill.com)
+
+This was needed in order to expose `path.posix.dirname()` on Node.js v0.10
+
+## Install
+
+```
+$ npm install --save path-dirname
+```
+
+
+## Usage
+
+```js
+const pathDirname = require('path-dirname');
+
+pathDirname('/home/foo');
+//=> '/home'
+pathDirname('C:\\Users\\foo');
+//=> 'C:\\Users'
+pathDirname('foo');
+//=> '.'
+pathDirname('foo/bar');
+//=> 'foo'
+
+//Using posix version for consistent output when dealing with glob escape chars
+pathDirname.win32('C:\\Users\\foo/\\*bar');
+//=> 'C:\\Users\\foo/'
+pathDirname.posix('C:\\Users\\foo/\\*bar');
+//=> 'C:\\Users\\foo'
+```
+
+
+## API
+
+See the [`path.dirname()` docs](https://nodejs.org/api/path.html#path_path_dirname_path).
+
+### pathDirname(path)
+
+### pathDirname.posix(path)
+
+POSIX specific version.
+
+### pathDirname.win32(path)
+
+Windows specific version.
+
+
+## License
+
+MIT
diff --git a/node_modules/path-exists/index.js b/node_modules/path-exists/index.js
new file mode 100644
index 00000000..16ae60ac
--- /dev/null
+++ b/node_modules/path-exists/index.js
@@ -0,0 +1,17 @@
+'use strict';
+const fs = require('fs');
+
+module.exports = fp => new Promise(resolve => {
+	fs.access(fp, err => {
+		resolve(!err);
+	});
+});
+
+module.exports.sync = fp => {
+	try {
+		fs.accessSync(fp);
+		return true;
+	} catch (err) {
+		return false;
+	}
+};
diff --git a/node_modules/path-exists/license b/node_modules/path-exists/license
new file mode 100644
index 00000000..654d0bfe
--- /dev/null
+++ b/node_modules/path-exists/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/path-exists/package.json b/node_modules/path-exists/package.json
new file mode 100644
index 00000000..efd56267
--- /dev/null
+++ b/node_modules/path-exists/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "path-exists",
+  "version": "3.0.0",
+  "description": "Check if a path exists",
+  "license": "MIT",
+  "repository": "sindresorhus/path-exists",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "scripts": {
+    "test": "xo && ava"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "path",
+    "exists",
+    "exist",
+    "file",
+    "filepath",
+    "fs",
+    "filesystem",
+    "file-system",
+    "access",
+    "stat"
+  ],
+  "devDependencies": {
+    "ava": "*",
+    "xo": "*"
+  },
+  "xo": {
+    "esnext": true
+  }
+}
diff --git a/node_modules/path-exists/readme.md b/node_modules/path-exists/readme.md
new file mode 100644
index 00000000..1b65fa70
--- /dev/null
+++ b/node_modules/path-exists/readme.md
@@ -0,0 +1,50 @@
+# path-exists [![Build Status](https://travis-ci.org/sindresorhus/path-exists.svg?branch=master)](https://travis-ci.org/sindresorhus/path-exists)
+
+> Check if a path exists
+
+Because [`fs.exists()`](https://nodejs.org/api/fs.html#fs_fs_exists_path_callback) is being [deprecated](https://github.com/iojs/io.js/issues/103), but there's still a genuine use-case of being able to check if a path exists for other purposes than doing IO with it.
+
+Never use this before handling a file though:
+
+> In particular, checking if a file exists before opening it is an anti-pattern that leaves you vulnerable to race conditions: another process may remove the file between the calls to `fs.exists()` and `fs.open()`. Just open the file and handle the error when it's not there.
+
+
+## Install
+
+```
+$ npm install --save path-exists
+```
+
+
+## Usage
+
+```js
+// foo.js
+const pathExists = require('path-exists');
+
+pathExists('foo.js').then(exists => {
+	console.log(exists);
+	//=> true
+});
+```
+
+
+## API
+
+### pathExists(path)
+
+Returns a promise for a boolean of whether the path exists.
+
+### pathExists.sync(path)
+
+Returns a boolean of whether the path exists.
+
+
+## Related
+
+- [path-exists-cli](https://github.com/sindresorhus/path-exists-cli) - CLI for this module
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/path-is-absolute/index.js b/node_modules/path-is-absolute/index.js
new file mode 100644
index 00000000..22aa6c35
--- /dev/null
+++ b/node_modules/path-is-absolute/index.js
@@ -0,0 +1,20 @@
+'use strict';
+
+function posix(path) {
+	return path.charAt(0) === '/';
+}
+
+function win32(path) {
+	// https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56
+	var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
+	var result = splitDeviceRe.exec(path);
+	var device = result[1] || '';
+	var isUnc = Boolean(device && device.charAt(1) !== ':');
+
+	// UNC paths are always absolute
+	return Boolean(result[2] || isUnc);
+}
+
+module.exports = process.platform === 'win32' ? win32 : posix;
+module.exports.posix = posix;
+module.exports.win32 = win32;
diff --git a/node_modules/path-is-absolute/license b/node_modules/path-is-absolute/license
new file mode 100644
index 00000000..654d0bfe
--- /dev/null
+++ b/node_modules/path-is-absolute/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/path-is-absolute/package.json b/node_modules/path-is-absolute/package.json
new file mode 100644
index 00000000..91196d5e
--- /dev/null
+++ b/node_modules/path-is-absolute/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "path-is-absolute",
+  "version": "1.0.1",
+  "description": "Node.js 0.12 path.isAbsolute() ponyfill",
+  "license": "MIT",
+  "repository": "sindresorhus/path-is-absolute",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "xo && node test.js"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "path",
+    "paths",
+    "file",
+    "dir",
+    "absolute",
+    "isabsolute",
+    "is-absolute",
+    "built-in",
+    "util",
+    "utils",
+    "core",
+    "ponyfill",
+    "polyfill",
+    "shim",
+    "is",
+    "detect",
+    "check"
+  ],
+  "devDependencies": {
+    "xo": "^0.16.0"
+  }
+}
diff --git a/node_modules/path-is-absolute/readme.md b/node_modules/path-is-absolute/readme.md
new file mode 100644
index 00000000..8dbdf5fc
--- /dev/null
+++ b/node_modules/path-is-absolute/readme.md
@@ -0,0 +1,59 @@
+# path-is-absolute [![Build Status](https://travis-ci.org/sindresorhus/path-is-absolute.svg?branch=master)](https://travis-ci.org/sindresorhus/path-is-absolute)
+
+> Node.js 0.12 [`path.isAbsolute()`](http://nodejs.org/api/path.html#path_path_isabsolute_path) [ponyfill](https://ponyfill.com)
+
+
+## Install
+
+```
+$ npm install --save path-is-absolute
+```
+
+
+## Usage
+
+```js
+const pathIsAbsolute = require('path-is-absolute');
+
+// Running on Linux
+pathIsAbsolute('/home/foo');
+//=> true
+pathIsAbsolute('C:/Users/foo');
+//=> false
+
+// Running on Windows
+pathIsAbsolute('C:/Users/foo');
+//=> true
+pathIsAbsolute('/home/foo');
+//=> false
+
+// Running on any OS
+pathIsAbsolute.posix('/home/foo');
+//=> true
+pathIsAbsolute.posix('C:/Users/foo');
+//=> false
+pathIsAbsolute.win32('C:/Users/foo');
+//=> true
+pathIsAbsolute.win32('/home/foo');
+//=> false
+```
+
+
+## API
+
+See the [`path.isAbsolute()` docs](http://nodejs.org/api/path.html#path_path_isabsolute_path).
+
+### pathIsAbsolute(path)
+
+### pathIsAbsolute.posix(path)
+
+POSIX specific version.
+
+### pathIsAbsolute.win32(path)
+
+Windows specific version.
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/pbkdf2/LICENSE b/node_modules/pbkdf2/LICENSE
new file mode 100644
index 00000000..a115b524
--- /dev/null
+++ b/node_modules/pbkdf2/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Daniel Cousens
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/pbkdf2/README.md b/node_modules/pbkdf2/README.md
new file mode 100644
index 00000000..614934f7
--- /dev/null
+++ b/node_modules/pbkdf2/README.md
@@ -0,0 +1,30 @@
+# pbkdf2
+
+[![NPM Package](https://img.shields.io/npm/v/pbkdf2.svg?style=flat-square)](https://www.npmjs.org/package/pbkdf2)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/pbkdf2.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/pbkdf2)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/pbkdf2.svg?style=flat-square)](https://david-dm.org/crypto-browserify/pbkdf2#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+This library provides the functionality of PBKDF2 with the ability to use any supported hashing algorithm returned from `crypto.getHashes()`
+
+
+## Usage
+
+```js
+var pbkdf2 = require('pbkdf2')
+var derivedKey = pbkdf2.pbkdf2Sync('password', 'salt', 1, 32, 'sha512')
+
+...
+```
+
+For more information on the API,  please see the relevant [Node documentation](https://nodejs.org/api/crypto.html#crypto_crypto_pbkdf2_password_salt_iterations_keylen_digest_callback).
+
+For high performance,  use the `async` variant (`pbkdf2.pbkdf2`),  not `pbkdf2.pbkdf2Sync`,  this variant has the oppurtunity to use `window.crypto.subtle` when browserified.
+
+
+## Credits
+
+This module is a derivative of [cryptocoinjs/pbkdf2-sha256](https://github.com/cryptocoinjs/pbkdf2-sha256/), so thanks to [JP Richardson](https://github.com/jprichardson/) for laying the ground work.
+
+Thank you to [FangDun Cai](https://github.com/fundon) for donating the package name on npm, if you're looking for his previous module it is located at [fundon/pbkdf2](https://github.com/fundon/pbkdf2).
diff --git a/node_modules/pbkdf2/browser.js b/node_modules/pbkdf2/browser.js
new file mode 100644
index 00000000..ac5fdd8d
--- /dev/null
+++ b/node_modules/pbkdf2/browser.js
@@ -0,0 +1,2 @@
+exports.pbkdf2 = require('./lib/async')
+exports.pbkdf2Sync = require('./lib/sync')
diff --git a/node_modules/pbkdf2/index.js b/node_modules/pbkdf2/index.js
new file mode 100644
index 00000000..f170ea10
--- /dev/null
+++ b/node_modules/pbkdf2/index.js
@@ -0,0 +1,38 @@
+var native = require('crypto')
+
+var checkParameters = require('./lib/precondition')
+var defaultEncoding = require('./lib/default-encoding')
+var toBuffer = require('./lib/to-buffer')
+
+function nativePBKDF2 (password, salt, iterations, keylen, digest, callback) {
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+
+  if (typeof digest === 'function') {
+    callback = digest
+    digest = 'sha1'
+  }
+  if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')
+
+  return native.pbkdf2(password, salt, iterations, keylen, digest, callback)
+}
+
+function nativePBKDF2Sync (password, salt, iterations, keylen, digest) {
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+  digest = digest || 'sha1'
+  return native.pbkdf2Sync(password, salt, iterations, keylen, digest)
+}
+
+/* istanbul ignore next */
+if (!native.pbkdf2Sync || native.pbkdf2Sync.toString().indexOf('keylen, digest') === -1) {
+  exports.pbkdf2Sync = require('./lib/sync')
+  exports.pbkdf2 = require('./lib/async')
+
+// native
+} else {
+  exports.pbkdf2Sync = nativePBKDF2Sync
+  exports.pbkdf2 = nativePBKDF2
+}
diff --git a/node_modules/pbkdf2/lib/async.js b/node_modules/pbkdf2/lib/async.js
new file mode 100644
index 00000000..3af2c496
--- /dev/null
+++ b/node_modules/pbkdf2/lib/async.js
@@ -0,0 +1,118 @@
+var Buffer = require('safe-buffer').Buffer
+
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var sync = require('./sync')
+var toBuffer = require('./to-buffer')
+
+var ZERO_BUF
+var subtle = global.crypto && global.crypto.subtle
+var toBrowser = {
+  sha: 'SHA-1',
+  'sha-1': 'SHA-1',
+  sha1: 'SHA-1',
+  sha256: 'SHA-256',
+  'sha-256': 'SHA-256',
+  sha384: 'SHA-384',
+  'sha-384': 'SHA-384',
+  'sha-512': 'SHA-512',
+  sha512: 'SHA-512'
+}
+var checks = []
+function checkNative (algo) {
+  if (global.process && !global.process.browser) {
+    return Promise.resolve(false)
+  }
+  if (!subtle || !subtle.importKey || !subtle.deriveBits) {
+    return Promise.resolve(false)
+  }
+  if (checks[algo] !== undefined) {
+    return checks[algo]
+  }
+  ZERO_BUF = ZERO_BUF || Buffer.alloc(8)
+  var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo)
+    .then(function () {
+      return true
+    }).catch(function () {
+      return false
+    })
+  checks[algo] = prom
+  return prom
+}
+var nextTick
+function getNextTick () {
+  if (nextTick) {
+    return nextTick
+  }
+  if (global.process && global.process.nextTick) {
+    nextTick = global.process.nextTick
+  } else if (global.queueMicrotask) {
+    nextTick = global.queueMicrotask
+  } else if (global.setImmediate) {
+    nextTick = global.setImmediate
+  } else {
+    nextTick = global.setTimeout
+  }
+  return nextTick
+}
+function browserPbkdf2 (password, salt, iterations, length, algo) {
+  return subtle.importKey(
+    'raw', password, { name: 'PBKDF2' }, false, ['deriveBits']
+  ).then(function (key) {
+    return subtle.deriveBits({
+      name: 'PBKDF2',
+      salt: salt,
+      iterations: iterations,
+      hash: {
+        name: algo
+      }
+    }, key, length << 3)
+  }).then(function (res) {
+    return Buffer.from(res)
+  })
+}
+
+function resolvePromise (promise, callback) {
+  promise.then(function (out) {
+    getNextTick()(function () {
+      callback(null, out)
+    })
+  }, function (e) {
+    getNextTick()(function () {
+      callback(e)
+    })
+  })
+}
+module.exports = function (password, salt, iterations, keylen, digest, callback) {
+  if (typeof digest === 'function') {
+    callback = digest
+    digest = undefined
+  }
+
+  digest = digest || 'sha1'
+  var algo = toBrowser[digest.toLowerCase()]
+
+  if (!algo || typeof global.Promise !== 'function') {
+    getNextTick()(function () {
+      var out
+      try {
+        out = sync(password, salt, iterations, keylen, digest)
+      } catch (e) {
+        return callback(e)
+      }
+      callback(null, out)
+    })
+    return
+  }
+
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+  if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')
+
+  resolvePromise(checkNative(algo).then(function (resp) {
+    if (resp) return browserPbkdf2(password, salt, iterations, keylen, algo)
+
+    return sync(password, salt, iterations, keylen, digest)
+  }), callback)
+}
diff --git a/node_modules/pbkdf2/lib/default-encoding.js b/node_modules/pbkdf2/lib/default-encoding.js
new file mode 100644
index 00000000..30420992
--- /dev/null
+++ b/node_modules/pbkdf2/lib/default-encoding.js
@@ -0,0 +1,12 @@
+var defaultEncoding
+/* istanbul ignore next */
+if (global.process && global.process.browser) {
+  defaultEncoding = 'utf-8'
+} else if (global.process && global.process.version) {
+  var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10)
+
+  defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary'
+} else {
+  defaultEncoding = 'utf-8'
+}
+module.exports = defaultEncoding
diff --git a/node_modules/pbkdf2/lib/precondition.js b/node_modules/pbkdf2/lib/precondition.js
new file mode 100644
index 00000000..0cac5b35
--- /dev/null
+++ b/node_modules/pbkdf2/lib/precondition.js
@@ -0,0 +1,19 @@
+var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
+
+module.exports = function (iterations, keylen) {
+  if (typeof iterations !== 'number') {
+    throw new TypeError('Iterations not a number')
+  }
+
+  if (iterations < 0) {
+    throw new TypeError('Bad iterations')
+  }
+
+  if (typeof keylen !== 'number') {
+    throw new TypeError('Key length not a number')
+  }
+
+  if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
+    throw new TypeError('Bad key length')
+  }
+}
diff --git a/node_modules/pbkdf2/lib/sync-browser.js b/node_modules/pbkdf2/lib/sync-browser.js
new file mode 100644
index 00000000..20a64b45
--- /dev/null
+++ b/node_modules/pbkdf2/lib/sync-browser.js
@@ -0,0 +1,105 @@
+var md5 = require('create-hash/md5')
+var RIPEMD160 = require('ripemd160')
+var sha = require('sha.js')
+var Buffer = require('safe-buffer').Buffer
+
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var toBuffer = require('./to-buffer')
+
+var ZEROS = Buffer.alloc(128)
+var sizes = {
+  md5: 16,
+  sha1: 20,
+  sha224: 28,
+  sha256: 32,
+  sha384: 48,
+  sha512: 64,
+  rmd160: 20,
+  ripemd160: 20
+}
+
+function Hmac (alg, key, saltLen) {
+  var hash = getDigest(alg)
+  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+  if (key.length > blocksize) {
+    key = hash(key)
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = Buffer.allocUnsafe(blocksize + sizes[alg])
+  var opad = Buffer.allocUnsafe(blocksize + sizes[alg])
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+
+  var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4)
+  ipad.copy(ipad1, 0, 0, blocksize)
+  this.ipad1 = ipad1
+  this.ipad2 = ipad
+  this.opad = opad
+  this.alg = alg
+  this.blocksize = blocksize
+  this.hash = hash
+  this.size = sizes[alg]
+}
+
+Hmac.prototype.run = function (data, ipad) {
+  data.copy(ipad, this.blocksize)
+  var h = this.hash(ipad)
+  h.copy(this.opad, this.blocksize)
+  return this.hash(this.opad)
+}
+
+function getDigest (alg) {
+  function shaFunc (data) {
+    return sha(alg).update(data).digest()
+  }
+  function rmd160Func (data) {
+    return new RIPEMD160().update(data).digest()
+  }
+
+  if (alg === 'rmd160' || alg === 'ripemd160') return rmd160Func
+  if (alg === 'md5') return md5
+  return shaFunc
+}
+
+function pbkdf2 (password, salt, iterations, keylen, digest) {
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+
+  digest = digest || 'sha1'
+
+  var hmac = new Hmac(digest, password, salt.length)
+
+  var DK = Buffer.allocUnsafe(keylen)
+  var block1 = Buffer.allocUnsafe(salt.length + 4)
+  salt.copy(block1, 0, 0, salt.length)
+
+  var destPos = 0
+  var hLen = sizes[digest]
+  var l = Math.ceil(keylen / hLen)
+
+  for (var i = 1; i <= l; i++) {
+    block1.writeUInt32BE(i, salt.length)
+
+    var T = hmac.run(block1, hmac.ipad1)
+    var U = T
+
+    for (var j = 1; j < iterations; j++) {
+      U = hmac.run(U, hmac.ipad2)
+      for (var k = 0; k < hLen; k++) T[k] ^= U[k]
+    }
+
+    T.copy(DK, destPos)
+    destPos += hLen
+  }
+
+  return DK
+}
+
+module.exports = pbkdf2
diff --git a/node_modules/pbkdf2/lib/sync.js b/node_modules/pbkdf2/lib/sync.js
new file mode 100644
index 00000000..9eeca481
--- /dev/null
+++ b/node_modules/pbkdf2/lib/sync.js
@@ -0,0 +1,52 @@
+var sizes = {
+  md5: 16,
+  sha1: 20,
+  sha224: 28,
+  sha256: 32,
+  sha384: 48,
+  sha512: 64,
+  rmd160: 20,
+  ripemd160: 20
+}
+
+var createHmac = require('create-hmac')
+var Buffer = require('safe-buffer').Buffer
+
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var toBuffer = require('./to-buffer')
+
+function pbkdf2 (password, salt, iterations, keylen, digest) {
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+
+  digest = digest || 'sha1'
+
+  var DK = Buffer.allocUnsafe(keylen)
+  var block1 = Buffer.allocUnsafe(salt.length + 4)
+  salt.copy(block1, 0, 0, salt.length)
+
+  var destPos = 0
+  var hLen = sizes[digest]
+  var l = Math.ceil(keylen / hLen)
+
+  for (var i = 1; i <= l; i++) {
+    block1.writeUInt32BE(i, salt.length)
+
+    var T = createHmac(digest, password).update(block1).digest()
+    var U = T
+
+    for (var j = 1; j < iterations; j++) {
+      U = createHmac(digest, password).update(U).digest()
+      for (var k = 0; k < hLen; k++) T[k] ^= U[k]
+    }
+
+    T.copy(DK, destPos)
+    destPos += hLen
+  }
+
+  return DK
+}
+
+module.exports = pbkdf2
diff --git a/node_modules/pbkdf2/lib/to-buffer.js b/node_modules/pbkdf2/lib/to-buffer.js
new file mode 100644
index 00000000..ef0d4d4a
--- /dev/null
+++ b/node_modules/pbkdf2/lib/to-buffer.js
@@ -0,0 +1,13 @@
+var Buffer = require('safe-buffer').Buffer
+
+module.exports = function (thing, encoding, name) {
+  if (Buffer.isBuffer(thing)) {
+    return thing
+  } else if (typeof thing === 'string') {
+    return Buffer.from(thing, encoding)
+  } else if (ArrayBuffer.isView(thing)) {
+    return Buffer.from(thing.buffer)
+  } else {
+    throw new TypeError(name + ' must be a string, a Buffer, a typed array or a DataView')
+  }
+}
diff --git a/node_modules/pbkdf2/package.json b/node_modules/pbkdf2/package.json
new file mode 100644
index 00000000..30a322ee
--- /dev/null
+++ b/node_modules/pbkdf2/package.json
@@ -0,0 +1,70 @@
+{
+  "name": "pbkdf2",
+  "version": "3.1.2",
+  "description": "This library provides the functionality of PBKDF2 with the ability to use any supported hashing algorithm returned from crypto.getHashes()",
+  "keywords": [
+    "pbkdf2",
+    "kdf",
+    "salt",
+    "hash"
+  ],
+  "homepage": "https://github.com/crypto-browserify/pbkdf2",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/pbkdf2/issues"
+  },
+  "license": "MIT",
+  "author": "Daniel Cousens",
+  "browser": {
+    "./index.js": "./browser.js",
+    "./lib/sync.js": "./lib/sync-browser.js"
+  },
+  "files": [
+    "browser.js",
+    "index.js",
+    "lib/"
+  ],
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/pbkdf2.git"
+  },
+  "scripts": {
+    "prepublish": "npm run test",
+    "coverage-report": "nyc report --reporter=lcov",
+    "coverage-html": "nyc report --reporter=html",
+    "coverage": "nyc --check-coverage --branches 95 --functions 95 tape test/*.js",
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "bundle-test": "browserify test/index.js > test/bundle.js",
+    "unit": "tape test/*.js",
+    "bench": "node bench/"
+  },
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "browserify": "*",
+    "nyc": "^6.4.0",
+    "standard": "*",
+    "tape": "^4.5.1"
+  },
+  "dependencies": {
+    "create-hash": "^1.1.2",
+    "create-hmac": "^1.1.4",
+    "ripemd160": "^2.0.1",
+    "safe-buffer": "^5.0.1",
+    "sha.js": "^2.4.8"
+  },
+  "standard": {
+    "ignore": [
+      "test/bundle.js"
+    ]
+  },
+  "engines": {
+    "node": ">=0.12"
+  },
+  "nyc": {
+    "exclude": [
+      "lib/async.js",
+      "test/bundle.js"
+    ]
+  }
+}
diff --git a/node_modules/pdfjs-dist/CODE_OF_CONDUCT.md b/node_modules/pdfjs-dist/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000..498baa3f
--- /dev/null
+++ b/node_modules/pdfjs-dist/CODE_OF_CONDUCT.md
@@ -0,0 +1,15 @@
+# Community Participation Guidelines
+
+This repository is governed by Mozilla's code of conduct and etiquette guidelines. 
+For more details, please read the
+[Mozilla Community Participation Guidelines](https://www.mozilla.org/about/governance/policies/participation/). 
+
+## How to Report
+For more information on how to report violations of the Community Participation Guidelines, please read our '[How to Report](https://www.mozilla.org/about/governance/policies/participation/reporting/)' page.
+
+<!--
+## Project Specific Etiquette
+
+In some cases, there will be additional project etiquette i.e.: (https://bugzilla.mozilla.org/page.cgi?id=etiquette.html).
+Please update for your project.
+-->
diff --git a/node_modules/pdfjs-dist/LICENSE b/node_modules/pdfjs-dist/LICENSE
new file mode 100644
index 00000000..f433b1a5
--- /dev/null
+++ b/node_modules/pdfjs-dist/LICENSE
@@ -0,0 +1,177 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
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+      (except as stated in this section) patent license to make, have made,
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+      where such license applies only to those patent claims licensable
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+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
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+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
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+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
diff --git a/node_modules/pdfjs-dist/README.md b/node_modules/pdfjs-dist/README.md
new file mode 100644
index 00000000..66c1ef1f
--- /dev/null
+++ b/node_modules/pdfjs-dist/README.md
@@ -0,0 +1,14 @@
+# PDF.js
+
+PDF.js is a Portable Document Format (PDF) library that is built with HTML5.
+Our goal is to create a general-purpose, web standards-based platform for
+parsing and rendering PDFs.
+
+This is a pre-built version of the PDF.js source code. It is automatically
+generated by the build scripts.
+
+For usage with older browsers/environments, without support for modern features
+such as e.g. `async`/`await`, `Promise`, and `ReadableStream`,
+please refer to the `es5` folder.
+
+See https://github.com/mozilla/pdf.js for learning and contributing.
diff --git a/node_modules/pdfjs-dist/bower.json b/node_modules/pdfjs-dist/bower.json
new file mode 100644
index 00000000..46052326
--- /dev/null
+++ b/node_modules/pdfjs-dist/bower.json
@@ -0,0 +1,14 @@
+{
+  "name": "pdfjs-dist",
+  "version": "2.6.347",
+  "main": [
+    "build/pdf.js",
+    "build/pdf.worker.js"
+  ],
+  "ignore": [],
+  "keywords": [
+    "Mozilla",
+    "pdf",
+    "pdf.js"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.js b/node_modules/pdfjs-dist/build/pdf.js
new file mode 100644
index 00000000..8d59e6dd
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.js
@@ -0,0 +1,14140 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/build/pdf", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/build/pdf"] = factory();
+	else
+		root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "addLinkAttributes", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.addLinkAttributes;
+  }
+});
+Object.defineProperty(exports, "getFilenameFromUrl", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.getFilenameFromUrl;
+  }
+});
+Object.defineProperty(exports, "LinkTarget", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.LinkTarget;
+  }
+});
+Object.defineProperty(exports, "loadScript", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.loadScript;
+  }
+});
+Object.defineProperty(exports, "PDFDateString", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.PDFDateString;
+  }
+});
+Object.defineProperty(exports, "RenderingCancelledException", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.RenderingCancelledException;
+  }
+});
+Object.defineProperty(exports, "build", {
+  enumerable: true,
+  get: function () {
+    return _api.build;
+  }
+});
+Object.defineProperty(exports, "getDocument", {
+  enumerable: true,
+  get: function () {
+    return _api.getDocument;
+  }
+});
+Object.defineProperty(exports, "LoopbackPort", {
+  enumerable: true,
+  get: function () {
+    return _api.LoopbackPort;
+  }
+});
+Object.defineProperty(exports, "PDFDataRangeTransport", {
+  enumerable: true,
+  get: function () {
+    return _api.PDFDataRangeTransport;
+  }
+});
+Object.defineProperty(exports, "PDFWorker", {
+  enumerable: true,
+  get: function () {
+    return _api.PDFWorker;
+  }
+});
+Object.defineProperty(exports, "version", {
+  enumerable: true,
+  get: function () {
+    return _api.version;
+  }
+});
+Object.defineProperty(exports, "CMapCompressionType", {
+  enumerable: true,
+  get: function () {
+    return _util.CMapCompressionType;
+  }
+});
+Object.defineProperty(exports, "createObjectURL", {
+  enumerable: true,
+  get: function () {
+    return _util.createObjectURL;
+  }
+});
+Object.defineProperty(exports, "createPromiseCapability", {
+  enumerable: true,
+  get: function () {
+    return _util.createPromiseCapability;
+  }
+});
+Object.defineProperty(exports, "createValidAbsoluteUrl", {
+  enumerable: true,
+  get: function () {
+    return _util.createValidAbsoluteUrl;
+  }
+});
+Object.defineProperty(exports, "InvalidPDFException", {
+  enumerable: true,
+  get: function () {
+    return _util.InvalidPDFException;
+  }
+});
+Object.defineProperty(exports, "MissingPDFException", {
+  enumerable: true,
+  get: function () {
+    return _util.MissingPDFException;
+  }
+});
+Object.defineProperty(exports, "OPS", {
+  enumerable: true,
+  get: function () {
+    return _util.OPS;
+  }
+});
+Object.defineProperty(exports, "PasswordResponses", {
+  enumerable: true,
+  get: function () {
+    return _util.PasswordResponses;
+  }
+});
+Object.defineProperty(exports, "PermissionFlag", {
+  enumerable: true,
+  get: function () {
+    return _util.PermissionFlag;
+  }
+});
+Object.defineProperty(exports, "removeNullCharacters", {
+  enumerable: true,
+  get: function () {
+    return _util.removeNullCharacters;
+  }
+});
+Object.defineProperty(exports, "shadow", {
+  enumerable: true,
+  get: function () {
+    return _util.shadow;
+  }
+});
+Object.defineProperty(exports, "UnexpectedResponseException", {
+  enumerable: true,
+  get: function () {
+    return _util.UnexpectedResponseException;
+  }
+});
+Object.defineProperty(exports, "UNSUPPORTED_FEATURES", {
+  enumerable: true,
+  get: function () {
+    return _util.UNSUPPORTED_FEATURES;
+  }
+});
+Object.defineProperty(exports, "Util", {
+  enumerable: true,
+  get: function () {
+    return _util.Util;
+  }
+});
+Object.defineProperty(exports, "VerbosityLevel", {
+  enumerable: true,
+  get: function () {
+    return _util.VerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "AnnotationLayer", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer.AnnotationLayer;
+  }
+});
+Object.defineProperty(exports, "apiCompatibilityParams", {
+  enumerable: true,
+  get: function () {
+    return _api_compatibility.apiCompatibilityParams;
+  }
+});
+Object.defineProperty(exports, "GlobalWorkerOptions", {
+  enumerable: true,
+  get: function () {
+    return _worker_options.GlobalWorkerOptions;
+  }
+});
+Object.defineProperty(exports, "renderTextLayer", {
+  enumerable: true,
+  get: function () {
+    return _text_layer.renderTextLayer;
+  }
+});
+Object.defineProperty(exports, "SVGGraphics", {
+  enumerable: true,
+  get: function () {
+    return _svg.SVGGraphics;
+  }
+});
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _api = __w_pdfjs_require__(5);
+
+var _util = __w_pdfjs_require__(2);
+
+var _annotation_layer = __w_pdfjs_require__(19);
+
+var _api_compatibility = __w_pdfjs_require__(9);
+
+var _worker_options = __w_pdfjs_require__(12);
+
+var _text_layer = __w_pdfjs_require__(20);
+
+var _svg = __w_pdfjs_require__(21);
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
+{
+  const {
+    isNodeJS
+  } = __w_pdfjs_require__(4);
+
+  if (isNodeJS) {
+    const PDFNodeStream = __w_pdfjs_require__(22).PDFNodeStream;
+
+    (0, _api.setPDFNetworkStreamFactory)(params => {
+      return new PDFNodeStream(params);
+    });
+  } else {
+    const PDFNetworkStream = __w_pdfjs_require__(25).PDFNetworkStream;
+
+    let PDFFetchStream;
+
+    if ((0, _display_utils.isFetchSupported)()) {
+      PDFFetchStream = __w_pdfjs_require__(26).PDFFetchStream;
+    }
+
+    (0, _api.setPDFNetworkStreamFactory)(params => {
+      if (PDFFetchStream && (0, _display_utils.isValidFetchUrl)(params.url)) {
+        return new PDFFetchStream(params);
+      }
+
+      return new PDFNetworkStream(params);
+    });
+  }
+}
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.addLinkAttributes = addLinkAttributes;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.isFetchSupported = isFetchSupported;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+exports.deprecated = deprecated;
+exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.BaseCMapReaderFactory = exports.DOMCanvasFactory = exports.BaseCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
+const SVG_NS = "http://www.w3.org/2000/svg";
+
+class BaseCanvasFactory {
+  constructor() {
+    if (this.constructor === BaseCanvasFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
+    }
+  }
+
+  create(width, height) {
+    (0, _util.unreachable)("Abstract method `create` called.");
+  }
+
+  reset(canvasAndContext, width, height) {
+    if (!canvasAndContext.canvas) {
+      throw new Error("Canvas is not specified");
+    }
+
+    if (width <= 0 || height <= 0) {
+      throw new Error("Invalid canvas size");
+    }
+
+    canvasAndContext.canvas.width = width;
+    canvasAndContext.canvas.height = height;
+  }
+
+  destroy(canvasAndContext) {
+    if (!canvasAndContext.canvas) {
+      throw new Error("Canvas is not specified");
+    }
+
+    canvasAndContext.canvas.width = 0;
+    canvasAndContext.canvas.height = 0;
+    canvasAndContext.canvas = null;
+    canvasAndContext.context = null;
+  }
+
+}
+
+exports.BaseCanvasFactory = BaseCanvasFactory;
+
+class DOMCanvasFactory extends BaseCanvasFactory {
+  constructor({
+    ownerDocument = globalThis.document
+  } = {}) {
+    super();
+    this._document = ownerDocument;
+  }
+
+  create(width, height) {
+    if (width <= 0 || height <= 0) {
+      throw new Error("Invalid canvas size");
+    }
+
+    const canvas = this._document.createElement("canvas");
+
+    const context = canvas.getContext("2d");
+    canvas.width = width;
+    canvas.height = height;
+    return {
+      canvas,
+      context
+    };
+  }
+
+}
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+class BaseCMapReaderFactory {
+  constructor({
+    baseUrl = null,
+    isCompressed = false
+  }) {
+    if (this.constructor === BaseCMapReaderFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
+    }
+
+    this.baseUrl = baseUrl;
+    this.isCompressed = isCompressed;
+  }
+
+  async fetch({
+    name
+  }) {
+    if (!this.baseUrl) {
+      throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
+    }
+
+    if (!name) {
+      throw new Error("CMap name must be specified.");
+    }
+
+    const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
+    const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+    return this._fetchData(url, compressionType).catch(reason => {
+      throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
+    });
+  }
+
+  _fetchData(url, compressionType) {
+    (0, _util.unreachable)("Abstract method `_fetchData` called.");
+  }
+
+}
+
+exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
+
+class DOMCMapReaderFactory extends BaseCMapReaderFactory {
+  _fetchData(url, compressionType) {
+    if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) {
+      return fetch(url).then(async response => {
+        if (!response.ok) {
+          throw new Error(response.statusText);
+        }
+
+        let cMapData;
+
+        if (this.isCompressed) {
+          cMapData = new Uint8Array(await response.arrayBuffer());
+        } else {
+          cMapData = (0, _util.stringToBytes)(await response.text());
+        }
+
+        return {
+          cMapData,
+          compressionType
+        };
+      });
+    }
+
+    return new Promise((resolve, reject) => {
+      const request = new XMLHttpRequest();
+      request.open("GET", url, true);
+
+      if (this.isCompressed) {
+        request.responseType = "arraybuffer";
+      }
+
+      request.onreadystatechange = () => {
+        if (request.readyState !== XMLHttpRequest.DONE) {
+          return;
+        }
+
+        if (request.status === 200 || request.status === 0) {
+          let cMapData;
+
+          if (this.isCompressed && request.response) {
+            cMapData = new Uint8Array(request.response);
+          } else if (!this.isCompressed && request.responseText) {
+            cMapData = (0, _util.stringToBytes)(request.responseText);
+          }
+
+          if (cMapData) {
+            resolve({
+              cMapData,
+              compressionType
+            });
+            return;
+          }
+        }
+
+        reject(new Error(request.statusText));
+      };
+
+      request.send(null);
+    });
+  }
+
+}
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+class DOMSVGFactory {
+  create(width, height) {
+    (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
+    const svg = document.createElementNS(SVG_NS, "svg:svg");
+    svg.setAttribute("version", "1.1");
+    svg.setAttribute("width", width + "px");
+    svg.setAttribute("height", height + "px");
+    svg.setAttribute("preserveAspectRatio", "none");
+    svg.setAttribute("viewBox", "0 0 " + width + " " + height);
+    return svg;
+  }
+
+  createElement(type) {
+    (0, _util.assert)(typeof type === "string", "Invalid SVG element type");
+    return document.createElementNS(SVG_NS, type);
+  }
+
+}
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+class PageViewport {
+  constructor({
+    viewBox,
+    scale,
+    rotation,
+    offsetX = 0,
+    offsetY = 0,
+    dontFlip = false
+  }) {
+    this.viewBox = viewBox;
+    this.scale = scale;
+    this.rotation = rotation;
+    this.offsetX = offsetX;
+    this.offsetY = offsetY;
+    const centerX = (viewBox[2] + viewBox[0]) / 2;
+    const centerY = (viewBox[3] + viewBox[1]) / 2;
+    let rotateA, rotateB, rotateC, rotateD;
+    rotation = rotation % 360;
+    rotation = rotation < 0 ? rotation + 360 : rotation;
+
+    switch (rotation) {
+      case 180:
+        rotateA = -1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = 1;
+        break;
+
+      case 90:
+        rotateA = 0;
+        rotateB = 1;
+        rotateC = 1;
+        rotateD = 0;
+        break;
+
+      case 270:
+        rotateA = 0;
+        rotateB = -1;
+        rotateC = -1;
+        rotateD = 0;
+        break;
+
+      case 0:
+        rotateA = 1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = -1;
+        break;
+
+      default:
+        throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
+    }
+
+    if (dontFlip) {
+      rotateC = -rotateC;
+      rotateD = -rotateD;
+    }
+
+    let offsetCanvasX, offsetCanvasY;
+    let width, height;
+
+    if (rotateA === 0) {
+      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+      width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+      height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+    } else {
+      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+      width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+      height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+    }
+
+    this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
+    this.width = width;
+    this.height = height;
+  }
+
+  clone({
+    scale = this.scale,
+    rotation = this.rotation,
+    offsetX = this.offsetX,
+    offsetY = this.offsetY,
+    dontFlip = false
+  } = {}) {
+    return new PageViewport({
+      viewBox: this.viewBox.slice(),
+      scale,
+      rotation,
+      offsetX,
+      offsetY,
+      dontFlip
+    });
+  }
+
+  convertToViewportPoint(x, y) {
+    return _util.Util.applyTransform([x, y], this.transform);
+  }
+
+  convertToViewportRectangle(rect) {
+    const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+    const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+    return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+  }
+
+  convertToPdfPoint(x, y) {
+    return _util.Util.applyInverseTransform([x, y], this.transform);
+  }
+
+}
+
+exports.PageViewport = PageViewport;
+
+class RenderingCancelledException extends _util.BaseException {
+  constructor(msg, type) {
+    super(msg);
+    this.type = type;
+  }
+
+}
+
+exports.RenderingCancelledException = RenderingCancelledException;
+const LinkTarget = {
+  NONE: 0,
+  SELF: 1,
+  BLANK: 2,
+  PARENT: 3,
+  TOP: 4
+};
+exports.LinkTarget = LinkTarget;
+
+function addLinkAttributes(link, {
+  url,
+  target,
+  rel,
+  enabled = true
+} = {}) {
+  (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
+  const urlNullRemoved = (0, _util.removeNullCharacters)(url);
+
+  if (enabled) {
+    link.href = link.title = urlNullRemoved;
+  } else {
+    link.href = "";
+    link.title = `Disabled: ${urlNullRemoved}`;
+
+    link.onclick = () => {
+      return false;
+    };
+  }
+
+  let targetStr = "";
+
+  switch (target) {
+    case LinkTarget.NONE:
+      break;
+
+    case LinkTarget.SELF:
+      targetStr = "_self";
+      break;
+
+    case LinkTarget.BLANK:
+      targetStr = "_blank";
+      break;
+
+    case LinkTarget.PARENT:
+      targetStr = "_parent";
+      break;
+
+    case LinkTarget.TOP:
+      targetStr = "_top";
+      break;
+  }
+
+  link.target = targetStr;
+  link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+}
+
+function getFilenameFromUrl(url) {
+  const anchor = url.indexOf("#");
+  const query = url.indexOf("?");
+  const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf("/", end) + 1, end);
+}
+
+class StatTimer {
+  constructor() {
+    this.started = Object.create(null);
+    this.times = [];
+  }
+
+  time(name) {
+    if (name in this.started) {
+      (0, _util.warn)(`Timer is already running for ${name}`);
+    }
+
+    this.started[name] = Date.now();
+  }
+
+  timeEnd(name) {
+    if (!(name in this.started)) {
+      (0, _util.warn)(`Timer has not been started for ${name}`);
+    }
+
+    this.times.push({
+      name,
+      start: this.started[name],
+      end: Date.now()
+    });
+    delete this.started[name];
+  }
+
+  toString() {
+    const outBuf = [];
+    let longest = 0;
+
+    for (const time of this.times) {
+      const name = time.name;
+
+      if (name.length > longest) {
+        longest = name.length;
+      }
+    }
+
+    for (const time of this.times) {
+      const duration = time.end - time.start;
+      outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
+    }
+
+    return outBuf.join("");
+  }
+
+}
+
+exports.StatTimer = StatTimer;
+
+function isFetchSupported() {
+  return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
+}
+
+function isValidFetchUrl(url, baseUrl) {
+  try {
+    const {
+      protocol
+    } = baseUrl ? new URL(url, baseUrl) : new URL(url);
+    return protocol === "http:" || protocol === "https:";
+  } catch (ex) {
+    return false;
+  }
+}
+
+function loadScript(src) {
+  return new Promise((resolve, reject) => {
+    const script = document.createElement("script");
+    script.src = src;
+    script.onload = resolve;
+
+    script.onerror = function () {
+      reject(new Error(`Cannot load script at: ${script.src}`));
+    };
+
+    (document.head || document.documentElement).appendChild(script);
+  });
+}
+
+function deprecated(details) {
+  console.log("Deprecated API usage: " + details);
+}
+
+let pdfDateStringRegex;
+
+class PDFDateString {
+  static toDateObject(input) {
+    if (!input || !(0, _util.isString)(input)) {
+      return null;
+    }
+
+    if (!pdfDateStringRegex) {
+      pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
+    }
+
+    const matches = pdfDateStringRegex.exec(input);
+
+    if (!matches) {
+      return null;
+    }
+
+    const year = parseInt(matches[1], 10);
+    let month = parseInt(matches[2], 10);
+    month = month >= 1 && month <= 12 ? month - 1 : 0;
+    let day = parseInt(matches[3], 10);
+    day = day >= 1 && day <= 31 ? day : 1;
+    let hour = parseInt(matches[4], 10);
+    hour = hour >= 0 && hour <= 23 ? hour : 0;
+    let minute = parseInt(matches[5], 10);
+    minute = minute >= 0 && minute <= 59 ? minute : 0;
+    let second = parseInt(matches[6], 10);
+    second = second >= 0 && second <= 59 ? second : 0;
+    const universalTimeRelation = matches[7] || "Z";
+    let offsetHour = parseInt(matches[8], 10);
+    offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
+    let offsetMinute = parseInt(matches[9], 10) || 0;
+    offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
+
+    if (universalTimeRelation === "-") {
+      hour += offsetHour;
+      minute += offsetMinute;
+    } else if (universalTimeRelation === "+") {
+      hour -= offsetHour;
+      minute -= offsetMinute;
+    }
+
+    return new Date(Date.UTC(year, month, day, hour, minute, second));
+  }
+
+}
+
+exports.PDFDateString = PDFDateString;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(3);
+
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+const AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+let verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log(`Info: ${msg}`);
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log(`Warning: ${msg}`);
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  let base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  const other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+const BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+  constructor(msg, code) {
+    super(msg);
+    this.code = code;
+  }
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+  constructor(msg, details) {
+    super(msg);
+    this.details = details;
+  }
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+  constructor(msg, status) {
+    super(msg);
+    this.status = status;
+  }
+
+}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {}
+
+exports.AbortException = AbortException;
+const NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  const length = bytes.length;
+  const MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  const strBuf = [];
+
+  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    const chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  const length = str.length;
+  const bytes = new Uint8Array(length);
+
+  for (let i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  const length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  let resultLength = 0;
+
+  for (let i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  let pos = 0;
+  const data = new Uint8Array(resultLength);
+
+  for (let i = 0; i < length; i++) {
+    let item = arr[i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    const itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  const buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  const view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+const IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+const IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+class Util {
+  static makeCssRgb(r, g, b) {
+    rgbBuf[1] = r;
+    rgbBuf[3] = g;
+    rgbBuf[5] = b;
+    return rgbBuf.join("");
+  }
+
+  static transform(m1, m2) {
+    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+  }
+
+  static applyTransform(p, m) {
+    const xt = p[0] * m[0] + p[1] * m[2] + m[4];
+    const yt = p[0] * m[1] + p[1] * m[3] + m[5];
+    return [xt, yt];
+  }
+
+  static applyInverseTransform(p, m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+    return [xt, yt];
+  }
+
+  static getAxialAlignedBoundingBox(r, m) {
+    const p1 = Util.applyTransform(r, m);
+    const p2 = Util.applyTransform(r.slice(2, 4), m);
+    const p3 = Util.applyTransform([r[0], r[3]], m);
+    const p4 = Util.applyTransform([r[2], r[1]], m);
+    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+  }
+
+  static inverseTransform(m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+  }
+
+  static apply3dTransform(m, v) {
+    return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+  }
+
+  static singularValueDecompose2dScale(m) {
+    const transpose = [m[0], m[2], m[1], m[3]];
+    const a = m[0] * transpose[0] + m[1] * transpose[2];
+    const b = m[0] * transpose[1] + m[1] * transpose[3];
+    const c = m[2] * transpose[0] + m[3] * transpose[2];
+    const d = m[2] * transpose[1] + m[3] * transpose[3];
+    const first = (a + d) / 2;
+    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+    const sx = first + second || 1;
+    const sy = first - second || 1;
+    return [Math.sqrt(sx), Math.sqrt(sy)];
+  }
+
+  static normalizeRect(rect) {
+    const r = rect.slice(0);
+
+    if (rect[0] > rect[2]) {
+      r[0] = rect[2];
+      r[2] = rect[0];
+    }
+
+    if (rect[1] > rect[3]) {
+      r[1] = rect[3];
+      r[3] = rect[1];
+    }
+
+    return r;
+  }
+
+  static intersect(rect1, rect2) {
+    function compare(a, b) {
+      return a - b;
+    }
+
+    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+    const result = [];
+    rect1 = Util.normalizeRect(rect1);
+    rect2 = Util.normalizeRect(rect2);
+
+    if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+      result[0] = orderedX[1];
+      result[2] = orderedX[2];
+    } else {
+      return null;
+    }
+
+    if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+      result[1] = orderedY[1];
+      result[3] = orderedY[2];
+    } else {
+      return null;
+    }
+
+    return result;
+  }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  const length = str.length,
+        strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
+    }
+  } else {
+    for (let i = 0; i < length; ++i) {
+      const code = PDFStringTranslateTable[str.charCodeAt(i)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate(date = new Date(Date.now())) {
+  const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  const capability = Object.create(null);
+  let isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get() {
+      return isSettled;
+    }
+
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+const createObjectURL = function createObjectURLClosure() {
+  const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType, forceDataSchema = false) {
+    if (!forceDataSchema && URL.createObjectURL) {
+      const blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    let buffer = `data:${contentType};base64,`;
+
+    for (let i = 0, ii = data.length; i < ii; i += 3) {
+      const b1 = data[i] & 0xff;
+      const b2 = data[i + 1] & 0xff;
+      const b3 = data[i + 2] & 0xff;
+      const d1 = b1 >> 2,
+            d2 = (b1 & 3) << 4 | b2 >> 4;
+      const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(4);
+
+;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _font_loader = __w_pdfjs_require__(6);
+
+var _node_utils = __w_pdfjs_require__(7);
+
+var _annotation_storage = __w_pdfjs_require__(8);
+
+var _api_compatibility = __w_pdfjs_require__(9);
+
+var _canvas = __w_pdfjs_require__(10);
+
+var _worker_options = __w_pdfjs_require__(12);
+
+var _is_node = __w_pdfjs_require__(4);
+
+var _message_handler = __w_pdfjs_require__(13);
+
+var _metadata = __w_pdfjs_require__(14);
+
+var _optional_content_config = __w_pdfjs_require__(16);
+
+var _transport_stream = __w_pdfjs_require__(17);
+
+var _webgl = __w_pdfjs_require__(18);
+
+const DEFAULT_RANGE_CHUNK_SIZE = 65536;
+const RENDERING_CANCELLED_TIMEOUT = 100;
+const DefaultCanvasFactory = _is_node.isNodeJS ? _node_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory;
+const DefaultCMapReaderFactory = _is_node.isNodeJS ? _node_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory;
+let createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+  createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+  const task = new PDFDocumentLoadingTask();
+  let source;
+
+  if (typeof src === "string") {
+    source = {
+      url: src
+    };
+  } else if ((0, _util.isArrayBuffer)(src)) {
+    source = {
+      data: src
+    };
+  } else if (src instanceof PDFDataRangeTransport) {
+    source = {
+      range: src
+    };
+  } else {
+    if (typeof src !== "object") {
+      throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object");
+    }
+
+    if (!src.url && !src.data && !src.range) {
+      throw new Error("Invalid parameter object: need either .data, .range or .url");
+    }
+
+    source = src;
+  }
+
+  const params = Object.create(null);
+  let rangeTransport = null,
+      worker = null;
+
+  for (const key in source) {
+    if (key === "url" && typeof window !== "undefined") {
+      params[key] = new URL(source[key], window.location).href;
+      continue;
+    } else if (key === "range") {
+      rangeTransport = source[key];
+      continue;
+    } else if (key === "worker") {
+      worker = source[key];
+      continue;
+    } else if (key === "data" && !(source[key] instanceof Uint8Array)) {
+      const pdfBytes = source[key];
+
+      if (typeof pdfBytes === "string") {
+        params[key] = (0, _util.stringToBytes)(pdfBytes);
+      } else if (typeof pdfBytes === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else {
+        throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property.");
+      }
+
+      continue;
+    }
+
+    params[key] = source[key];
+  }
+
+  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+  params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
+  params.ignoreErrors = params.stopAtErrors !== true;
+  params.fontExtraProperties = params.fontExtraProperties === true;
+  params.pdfBug = params.pdfBug === true;
+
+  if (!Number.isInteger(params.maxImageSize)) {
+    params.maxImageSize = -1;
+  }
+
+  if (typeof params.isEvalSupported !== "boolean") {
+    params.isEvalSupported = true;
+  }
+
+  if (typeof params.disableFontFace !== "boolean") {
+    params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
+  }
+
+  if (typeof params.ownerDocument === "undefined") {
+    params.ownerDocument = globalThis.document;
+  }
+
+  if (typeof params.disableRange !== "boolean") {
+    params.disableRange = false;
+  }
+
+  if (typeof params.disableStream !== "boolean") {
+    params.disableStream = false;
+  }
+
+  if (typeof params.disableAutoFetch !== "boolean") {
+    params.disableAutoFetch = false;
+  }
+
+  (0, _util.setVerbosityLevel)(params.verbosity);
+
+  if (!worker) {
+    const workerParams = {
+      verbosity: params.verbosity,
+      port: _worker_options.GlobalWorkerOptions.workerPort
+    };
+    worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+    task._worker = worker;
+  }
+
+  const docId = task.docId;
+  worker.promise.then(function () {
+    if (task.destroyed) {
+      throw new Error("Loading aborted");
+    }
+
+    const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
+
+    const networkStreamPromise = new Promise(function (resolve) {
+      let networkStream;
+
+      if (rangeTransport) {
+        networkStream = new _transport_stream.PDFDataTransportStream({
+          length: params.length,
+          initialData: params.initialData,
+          progressiveDone: params.progressiveDone,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        }, rangeTransport);
+      } else if (!params.data) {
+        networkStream = createPDFNetworkStream({
+          url: params.url,
+          length: params.length,
+          httpHeaders: params.httpHeaders,
+          withCredentials: params.withCredentials,
+          rangeChunkSize: params.rangeChunkSize,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        });
+      }
+
+      resolve(networkStream);
+    });
+    return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
+      if (task.destroyed) {
+        throw new Error("Loading aborted");
+      }
+
+      const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+      messageHandler.postMessageTransfers = worker.postMessageTransfers;
+      const transport = new WorkerTransport(messageHandler, task, networkStream, params);
+      task._transport = transport;
+      messageHandler.send("Ready", null);
+    });
+  }).catch(task._capability.reject);
+  return task;
+}
+
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+  if (worker.destroyed) {
+    return Promise.reject(new Error("Worker was destroyed"));
+  }
+
+  if (pdfDataRangeTransport) {
+    source.length = pdfDataRangeTransport.length;
+    source.initialData = pdfDataRangeTransport.initialData;
+    source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+  }
+
+  return worker.messageHandler.sendWithPromise("GetDocRequest", {
+    docId,
+    apiVersion: '2.6.347',
+    source: {
+      data: source.data,
+      url: source.url,
+      password: source.password,
+      disableAutoFetch: source.disableAutoFetch,
+      rangeChunkSize: source.rangeChunkSize,
+      length: source.length
+    },
+    maxImageSize: source.maxImageSize,
+    disableFontFace: source.disableFontFace,
+    postMessageTransfers: worker.postMessageTransfers,
+    docBaseUrl: source.docBaseUrl,
+    ignoreErrors: source.ignoreErrors,
+    isEvalSupported: source.isEvalSupported,
+    fontExtraProperties: source.fontExtraProperties
+  }).then(function (workerId) {
+    if (worker.destroyed) {
+      throw new Error("Worker was destroyed");
+    }
+
+    return workerId;
+  });
+}
+
+const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
+  let nextDocumentId = 0;
+
+  class PDFDocumentLoadingTask {
+    constructor() {
+      this._capability = (0, _util.createPromiseCapability)();
+      this._transport = null;
+      this._worker = null;
+      this.docId = "d" + nextDocumentId++;
+      this.destroyed = false;
+      this.onPassword = null;
+      this.onProgress = null;
+      this.onUnsupportedFeature = null;
+    }
+
+    get promise() {
+      return this._capability.promise;
+    }
+
+    destroy() {
+      this.destroyed = true;
+      const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
+      return transportDestroyed.then(() => {
+        this._transport = null;
+
+        if (this._worker) {
+          this._worker.destroy();
+
+          this._worker = null;
+        }
+      });
+    }
+
+  }
+
+  return PDFDocumentLoadingTask;
+}();
+
+class PDFDataRangeTransport {
+  constructor(length, initialData, progressiveDone = false) {
+    this.length = length;
+    this.initialData = initialData;
+    this.progressiveDone = progressiveDone;
+    this._rangeListeners = [];
+    this._progressListeners = [];
+    this._progressiveReadListeners = [];
+    this._progressiveDoneListeners = [];
+    this._readyCapability = (0, _util.createPromiseCapability)();
+  }
+
+  addRangeListener(listener) {
+    this._rangeListeners.push(listener);
+  }
+
+  addProgressListener(listener) {
+    this._progressListeners.push(listener);
+  }
+
+  addProgressiveReadListener(listener) {
+    this._progressiveReadListeners.push(listener);
+  }
+
+  addProgressiveDoneListener(listener) {
+    this._progressiveDoneListeners.push(listener);
+  }
+
+  onDataRange(begin, chunk) {
+    for (const listener of this._rangeListeners) {
+      listener(begin, chunk);
+    }
+  }
+
+  onDataProgress(loaded, total) {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressListeners) {
+        listener(loaded, total);
+      }
+    });
+  }
+
+  onDataProgressiveRead(chunk) {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressiveReadListeners) {
+        listener(chunk);
+      }
+    });
+  }
+
+  onDataProgressiveDone() {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressiveDoneListeners) {
+        listener();
+      }
+    });
+  }
+
+  transportReady() {
+    this._readyCapability.resolve();
+  }
+
+  requestDataRange(begin, end) {
+    (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
+  }
+
+  abort() {}
+
+}
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+class PDFDocumentProxy {
+  constructor(pdfInfo, transport) {
+    this._pdfInfo = pdfInfo;
+    this._transport = transport;
+  }
+
+  get annotationStorage() {
+    return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
+  }
+
+  get numPages() {
+    return this._pdfInfo.numPages;
+  }
+
+  get fingerprint() {
+    return this._pdfInfo.fingerprint;
+  }
+
+  getPage(pageNumber) {
+    return this._transport.getPage(pageNumber);
+  }
+
+  getPageIndex(ref) {
+    return this._transport.getPageIndex(ref);
+  }
+
+  getDestinations() {
+    return this._transport.getDestinations();
+  }
+
+  getDestination(id) {
+    return this._transport.getDestination(id);
+  }
+
+  getPageLabels() {
+    return this._transport.getPageLabels();
+  }
+
+  getPageLayout() {
+    return this._transport.getPageLayout();
+  }
+
+  getPageMode() {
+    return this._transport.getPageMode();
+  }
+
+  getViewerPreferences() {
+    return this._transport.getViewerPreferences();
+  }
+
+  getOpenAction() {
+    return this._transport.getOpenAction();
+  }
+
+  getAttachments() {
+    return this._transport.getAttachments();
+  }
+
+  getJavaScript() {
+    return this._transport.getJavaScript();
+  }
+
+  getOutline() {
+    return this._transport.getOutline();
+  }
+
+  getOptionalContentConfig() {
+    return this._transport.getOptionalContentConfig();
+  }
+
+  getPermissions() {
+    return this._transport.getPermissions();
+  }
+
+  getMetadata() {
+    return this._transport.getMetadata();
+  }
+
+  getData() {
+    return this._transport.getData();
+  }
+
+  getDownloadInfo() {
+    return this._transport.downloadInfoCapability.promise;
+  }
+
+  getStats() {
+    return this._transport.getStats();
+  }
+
+  cleanup() {
+    return this._transport.startCleanup();
+  }
+
+  destroy() {
+    return this.loadingTask.destroy();
+  }
+
+  get loadingParams() {
+    return this._transport.loadingParams;
+  }
+
+  get loadingTask() {
+    return this._transport.loadingTask;
+  }
+
+  saveDocument(annotationStorage) {
+    return this._transport.saveDocument(annotationStorage);
+  }
+
+}
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+class PDFPageProxy {
+  constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
+    this._pageIndex = pageIndex;
+    this._pageInfo = pageInfo;
+    this._ownerDocument = ownerDocument;
+    this._transport = transport;
+    this._stats = pdfBug ? new _display_utils.StatTimer() : null;
+    this._pdfBug = pdfBug;
+    this.commonObjs = transport.commonObjs;
+    this.objs = new PDFObjects();
+    this.cleanupAfterRender = false;
+    this.pendingCleanup = false;
+    this._intentStates = new Map();
+    this.destroyed = false;
+  }
+
+  get pageNumber() {
+    return this._pageIndex + 1;
+  }
+
+  get rotate() {
+    return this._pageInfo.rotate;
+  }
+
+  get ref() {
+    return this._pageInfo.ref;
+  }
+
+  get userUnit() {
+    return this._pageInfo.userUnit;
+  }
+
+  get view() {
+    return this._pageInfo.view;
+  }
+
+  getViewport({
+    scale,
+    rotation = this.rotate,
+    offsetX = 0,
+    offsetY = 0,
+    dontFlip = false
+  } = {}) {
+    return new _display_utils.PageViewport({
+      viewBox: this.view,
+      scale,
+      rotation,
+      offsetX,
+      offsetY,
+      dontFlip
+    });
+  }
+
+  getAnnotations({
+    intent = null
+  } = {}) {
+    if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+      this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
+      this.annotationsIntent = intent;
+    }
+
+    return this.annotationsPromise;
+  }
+
+  render({
+    canvasContext,
+    viewport,
+    intent = "display",
+    enableWebGL = false,
+    renderInteractiveForms = false,
+    transform = null,
+    imageLayer = null,
+    canvasFactory = null,
+    background = null,
+    annotationStorage = null,
+    optionalContentConfigPromise = null
+  }) {
+    if (this._stats) {
+      this._stats.time("Overall");
+    }
+
+    const renderingIntent = intent === "print" ? "print" : "display";
+    this.pendingCleanup = false;
+
+    if (!optionalContentConfigPromise) {
+      optionalContentConfigPromise = this._transport.getOptionalContentConfig();
+    }
+
+    let intentState = this._intentStates.get(renderingIntent);
+
+    if (!intentState) {
+      intentState = Object.create(null);
+
+      this._intentStates.set(renderingIntent, intentState);
+    }
+
+    if (intentState.streamReaderCancelTimeout) {
+      clearTimeout(intentState.streamReaderCancelTimeout);
+      intentState.streamReaderCancelTimeout = null;
+    }
+
+    const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
+      ownerDocument: this._ownerDocument
+    });
+    const webGLContext = new _webgl.WebGLContext({
+      enable: enableWebGL
+    });
+
+    if (!intentState.displayReadyCapability) {
+      intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+      intentState.operatorList = {
+        fnArray: [],
+        argsArray: [],
+        lastChunk: false
+      };
+
+      if (this._stats) {
+        this._stats.time("Page Request");
+      }
+
+      this._pumpOperatorList({
+        pageIndex: this._pageIndex,
+        intent: renderingIntent,
+        renderInteractiveForms: renderInteractiveForms === true,
+        annotationStorage: annotationStorage && annotationStorage.getAll() || null
+      });
+    }
+
+    const complete = error => {
+      const i = intentState.renderTasks.indexOf(internalRenderTask);
+
+      if (i >= 0) {
+        intentState.renderTasks.splice(i, 1);
+      }
+
+      if (this.cleanupAfterRender || renderingIntent === "print") {
+        this.pendingCleanup = true;
+      }
+
+      this._tryCleanup();
+
+      if (error) {
+        internalRenderTask.capability.reject(error);
+
+        this._abortOperatorList({
+          intentState,
+          reason: error
+        });
+      } else {
+        internalRenderTask.capability.resolve();
+      }
+
+      if (this._stats) {
+        this._stats.timeEnd("Rendering");
+
+        this._stats.timeEnd("Overall");
+      }
+    };
+
+    const internalRenderTask = new InternalRenderTask({
+      callback: complete,
+      params: {
+        canvasContext,
+        viewport,
+        transform,
+        imageLayer,
+        background
+      },
+      objs: this.objs,
+      commonObjs: this.commonObjs,
+      operatorList: intentState.operatorList,
+      pageIndex: this._pageIndex,
+      canvasFactory: canvasFactoryInstance,
+      webGLContext,
+      useRequestAnimationFrame: renderingIntent !== "print",
+      pdfBug: this._pdfBug
+    });
+
+    if (!intentState.renderTasks) {
+      intentState.renderTasks = [];
+    }
+
+    intentState.renderTasks.push(internalRenderTask);
+    const renderTask = internalRenderTask.task;
+    Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
+      if (this.pendingCleanup) {
+        complete();
+        return;
+      }
+
+      if (this._stats) {
+        this._stats.time("Rendering");
+      }
+
+      internalRenderTask.initializeGraphics({
+        transparency,
+        optionalContentConfig
+      });
+      internalRenderTask.operatorListChanged();
+    }).catch(complete);
+    return renderTask;
+  }
+
+  getOperatorList() {
+    function operatorListChanged() {
+      if (intentState.operatorList.lastChunk) {
+        intentState.opListReadCapability.resolve(intentState.operatorList);
+        const i = intentState.renderTasks.indexOf(opListTask);
+
+        if (i >= 0) {
+          intentState.renderTasks.splice(i, 1);
+        }
+      }
+    }
+
+    const renderingIntent = "oplist";
+
+    let intentState = this._intentStates.get(renderingIntent);
+
+    if (!intentState) {
+      intentState = Object.create(null);
+
+      this._intentStates.set(renderingIntent, intentState);
+    }
+
+    let opListTask;
+
+    if (!intentState.opListReadCapability) {
+      opListTask = Object.create(null);
+      opListTask.operatorListChanged = operatorListChanged;
+      intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+      intentState.renderTasks = [];
+      intentState.renderTasks.push(opListTask);
+      intentState.operatorList = {
+        fnArray: [],
+        argsArray: [],
+        lastChunk: false
+      };
+
+      if (this._stats) {
+        this._stats.time("Page Request");
+      }
+
+      this._pumpOperatorList({
+        pageIndex: this._pageIndex,
+        intent: renderingIntent
+      });
+    }
+
+    return intentState.opListReadCapability.promise;
+  }
+
+  streamTextContent({
+    normalizeWhitespace = false,
+    disableCombineTextItems = false
+  } = {}) {
+    const TEXT_CONTENT_CHUNK_SIZE = 100;
+    return this._transport.messageHandler.sendWithStream("GetTextContent", {
+      pageIndex: this._pageIndex,
+      normalizeWhitespace: normalizeWhitespace === true,
+      combineTextItems: disableCombineTextItems !== true
+    }, {
+      highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+
+      size(textContent) {
+        return textContent.items.length;
+      }
+
+    });
+  }
+
+  getTextContent(params = {}) {
+    const readableStream = this.streamTextContent(params);
+    return new Promise(function (resolve, reject) {
+      function pump() {
+        reader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            resolve(textContent);
+            return;
+          }
+
+          Object.assign(textContent.styles, value.styles);
+          textContent.items.push(...value.items);
+          pump();
+        }, reject);
+      }
+
+      const reader = readableStream.getReader();
+      const textContent = {
+        items: [],
+        styles: Object.create(null)
+      };
+      pump();
+    });
+  }
+
+  _destroy() {
+    this.destroyed = true;
+    this._transport.pageCache[this._pageIndex] = null;
+    const waitOn = [];
+
+    for (const [intent, intentState] of this._intentStates) {
+      this._abortOperatorList({
+        intentState,
+        reason: new Error("Page was destroyed."),
+        force: true
+      });
+
+      if (intent === "oplist") {
+        continue;
+      }
+
+      for (const internalRenderTask of intentState.renderTasks) {
+        waitOn.push(internalRenderTask.completed);
+        internalRenderTask.cancel();
+      }
+    }
+
+    this.objs.clear();
+    this.annotationsPromise = null;
+    this.pendingCleanup = false;
+    return Promise.all(waitOn);
+  }
+
+  cleanup(resetStats = false) {
+    this.pendingCleanup = true;
+    return this._tryCleanup(resetStats);
+  }
+
+  _tryCleanup(resetStats = false) {
+    if (!this.pendingCleanup) {
+      return false;
+    }
+
+    for (const {
+      renderTasks,
+      operatorList
+    } of this._intentStates.values()) {
+      if (renderTasks.length !== 0 || !operatorList.lastChunk) {
+        return false;
+      }
+    }
+
+    this._intentStates.clear();
+
+    this.objs.clear();
+    this.annotationsPromise = null;
+
+    if (resetStats && this._stats) {
+      this._stats = new _display_utils.StatTimer();
+    }
+
+    this.pendingCleanup = false;
+    return true;
+  }
+
+  _startRenderPage(transparency, intent) {
+    const intentState = this._intentStates.get(intent);
+
+    if (!intentState) {
+      return;
+    }
+
+    if (this._stats) {
+      this._stats.timeEnd("Page Request");
+    }
+
+    if (intentState.displayReadyCapability) {
+      intentState.displayReadyCapability.resolve(transparency);
+    }
+  }
+
+  _renderPageChunk(operatorListChunk, intentState) {
+    for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
+      intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+      intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
+    }
+
+    intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+
+    for (let i = 0; i < intentState.renderTasks.length; i++) {
+      intentState.renderTasks[i].operatorListChanged();
+    }
+
+    if (operatorListChunk.lastChunk) {
+      this._tryCleanup();
+    }
+  }
+
+  _pumpOperatorList(args) {
+    (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
+
+    const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
+
+    const reader = readableStream.getReader();
+
+    const intentState = this._intentStates.get(args.intent);
+
+    intentState.streamReader = reader;
+
+    const pump = () => {
+      reader.read().then(({
+        value,
+        done
+      }) => {
+        if (done) {
+          intentState.streamReader = null;
+          return;
+        }
+
+        if (this._transport.destroyed) {
+          return;
+        }
+
+        this._renderPageChunk(value, intentState);
+
+        pump();
+      }, reason => {
+        intentState.streamReader = null;
+
+        if (this._transport.destroyed) {
+          return;
+        }
+
+        if (intentState.operatorList) {
+          intentState.operatorList.lastChunk = true;
+
+          for (let i = 0; i < intentState.renderTasks.length; i++) {
+            intentState.renderTasks[i].operatorListChanged();
+          }
+
+          this._tryCleanup();
+        }
+
+        if (intentState.displayReadyCapability) {
+          intentState.displayReadyCapability.reject(reason);
+        } else if (intentState.opListReadCapability) {
+          intentState.opListReadCapability.reject(reason);
+        } else {
+          throw reason;
+        }
+      });
+    };
+
+    pump();
+  }
+
+  _abortOperatorList({
+    intentState,
+    reason,
+    force = false
+  }) {
+    (0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
+
+    if (!intentState.streamReader) {
+      return;
+    }
+
+    if (!force) {
+      if (intentState.renderTasks.length !== 0) {
+        return;
+      }
+
+      if (reason instanceof _display_utils.RenderingCancelledException) {
+        intentState.streamReaderCancelTimeout = setTimeout(() => {
+          this._abortOperatorList({
+            intentState,
+            reason,
+            force: true
+          });
+
+          intentState.streamReaderCancelTimeout = null;
+        }, RENDERING_CANCELLED_TIMEOUT);
+        return;
+      }
+    }
+
+    intentState.streamReader.cancel(new _util.AbortException(reason && reason.message));
+    intentState.streamReader = null;
+
+    if (this._transport.destroyed) {
+      return;
+    }
+
+    for (const [intent, curIntentState] of this._intentStates) {
+      if (curIntentState === intentState) {
+        this._intentStates.delete(intent);
+
+        break;
+      }
+    }
+
+    this.cleanup();
+  }
+
+  get stats() {
+    return this._stats;
+  }
+
+}
+
+exports.PDFPageProxy = PDFPageProxy;
+
+class LoopbackPort {
+  constructor(defer = true) {
+    this._listeners = [];
+    this._defer = defer;
+    this._deferred = Promise.resolve(undefined);
+  }
+
+  postMessage(obj, transfers) {
+    function cloneValue(value) {
+      if (typeof value !== "object" || value === null) {
+        return value;
+      }
+
+      if (cloned.has(value)) {
+        return cloned.get(value);
+      }
+
+      let buffer, result;
+
+      if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
+        const transferable = transfers && transfers.includes(buffer);
+
+        if (transferable) {
+          result = new value.constructor(buffer, value.byteOffset, value.byteLength);
+        } else {
+          result = new value.constructor(value);
+        }
+
+        cloned.set(value, result);
+        return result;
+      }
+
+      result = Array.isArray(value) ? [] : {};
+      cloned.set(value, result);
+
+      for (const i in value) {
+        let desc,
+            p = value;
+
+        while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+          p = Object.getPrototypeOf(p);
+        }
+
+        if (typeof desc.value === "undefined") {
+          continue;
+        }
+
+        if (typeof desc.value === "function") {
+          if (value.hasOwnProperty && value.hasOwnProperty(i)) {
+            throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`);
+          }
+
+          continue;
+        }
+
+        result[i] = cloneValue(desc.value);
+      }
+
+      return result;
+    }
+
+    if (!this._defer) {
+      this._listeners.forEach(listener => {
+        listener.call(this, {
+          data: obj
+        });
+      });
+
+      return;
+    }
+
+    const cloned = new WeakMap();
+    const e = {
+      data: cloneValue(obj)
+    };
+
+    this._deferred.then(() => {
+      this._listeners.forEach(listener => {
+        listener.call(this, e);
+      });
+    });
+  }
+
+  addEventListener(name, listener) {
+    this._listeners.push(listener);
+  }
+
+  removeEventListener(name, listener) {
+    const i = this._listeners.indexOf(listener);
+
+    this._listeners.splice(i, 1);
+  }
+
+  terminate() {
+    this._listeners.length = 0;
+  }
+
+}
+
+exports.LoopbackPort = LoopbackPort;
+
+const PDFWorker = function PDFWorkerClosure() {
+  const pdfWorkerPorts = new WeakMap();
+  let isWorkerDisabled = false;
+  let fallbackWorkerSrc;
+  let nextFakeWorkerId = 0;
+  let fakeWorkerCapability;
+
+  if (_is_node.isNodeJS && typeof require === "function") {
+    isWorkerDisabled = true;
+    fallbackWorkerSrc = "./pdf.worker.js";
+  } else if (typeof document === "object" && "currentScript" in document) {
+    const pdfjsFilePath = document.currentScript && document.currentScript.src;
+
+    if (pdfjsFilePath) {
+      fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
+    }
+  }
+
+  function getWorkerSrc() {
+    if (_worker_options.GlobalWorkerOptions.workerSrc) {
+      return _worker_options.GlobalWorkerOptions.workerSrc;
+    }
+
+    if (typeof fallbackWorkerSrc !== "undefined") {
+      if (!_is_node.isNodeJS) {
+        (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
+      }
+
+      return fallbackWorkerSrc;
+    }
+
+    throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+  }
+
+  function getMainThreadWorkerMessageHandler() {
+    let mainWorkerMessageHandler;
+
+    try {
+      mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;
+    } catch (ex) {}
+
+    return mainWorkerMessageHandler || null;
+  }
+
+  function setupFakeWorkerGlobal() {
+    if (fakeWorkerCapability) {
+      return fakeWorkerCapability.promise;
+    }
+
+    fakeWorkerCapability = (0, _util.createPromiseCapability)();
+
+    const loader = async function () {
+      const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
+
+      if (mainWorkerMessageHandler) {
+        return mainWorkerMessageHandler;
+      }
+
+      if (_is_node.isNodeJS && typeof require === "function") {
+        const worker = eval("require")(getWorkerSrc());
+        return worker.WorkerMessageHandler;
+      }
+
+      await (0, _display_utils.loadScript)(getWorkerSrc());
+      return window.pdfjsWorker.WorkerMessageHandler;
+    };
+
+    loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
+    return fakeWorkerCapability.promise;
+  }
+
+  function createCDNWrapper(url) {
+    const wrapper = "importScripts('" + url + "');";
+    return URL.createObjectURL(new Blob([wrapper]));
+  }
+
+  class PDFWorker {
+    constructor({
+      name = null,
+      port = null,
+      verbosity = (0, _util.getVerbosityLevel)()
+    } = {}) {
+      if (port && pdfWorkerPorts.has(port)) {
+        throw new Error("Cannot use more than one PDFWorker per port");
+      }
+
+      this.name = name;
+      this.destroyed = false;
+      this.postMessageTransfers = true;
+      this.verbosity = verbosity;
+      this._readyCapability = (0, _util.createPromiseCapability)();
+      this._port = null;
+      this._webWorker = null;
+      this._messageHandler = null;
+
+      if (port) {
+        pdfWorkerPorts.set(port, this);
+
+        this._initializeFromPort(port);
+
+        return;
+      }
+
+      this._initialize();
+    }
+
+    get promise() {
+      return this._readyCapability.promise;
+    }
+
+    get port() {
+      return this._port;
+    }
+
+    get messageHandler() {
+      return this._messageHandler;
+    }
+
+    _initializeFromPort(port) {
+      this._port = port;
+      this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
+
+      this._messageHandler.on("ready", function () {});
+
+      this._readyCapability.resolve();
+    }
+
+    _initialize() {
+      if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
+        let workerSrc = getWorkerSrc();
+
+        try {
+          if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
+            workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
+          }
+
+          const worker = new Worker(workerSrc);
+          const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
+
+          const terminateEarly = () => {
+            worker.removeEventListener("error", onWorkerError);
+            messageHandler.destroy();
+            worker.terminate();
+
+            if (this.destroyed) {
+              this._readyCapability.reject(new Error("Worker was destroyed"));
+            } else {
+              this._setupFakeWorker();
+            }
+          };
+
+          const onWorkerError = () => {
+            if (!this._webWorker) {
+              terminateEarly();
+            }
+          };
+
+          worker.addEventListener("error", onWorkerError);
+          messageHandler.on("test", data => {
+            worker.removeEventListener("error", onWorkerError);
+
+            if (this.destroyed) {
+              terminateEarly();
+              return;
+            }
+
+            if (data) {
+              this._messageHandler = messageHandler;
+              this._port = worker;
+              this._webWorker = worker;
+
+              if (!data.supportTransfers) {
+                this.postMessageTransfers = false;
+              }
+
+              this._readyCapability.resolve();
+
+              messageHandler.send("configure", {
+                verbosity: this.verbosity
+              });
+            } else {
+              this._setupFakeWorker();
+
+              messageHandler.destroy();
+              worker.terminate();
+            }
+          });
+          messageHandler.on("ready", data => {
+            worker.removeEventListener("error", onWorkerError);
+
+            if (this.destroyed) {
+              terminateEarly();
+              return;
+            }
+
+            try {
+              sendTest();
+            } catch (e) {
+              this._setupFakeWorker();
+            }
+          });
+
+          const sendTest = () => {
+            const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]);
+
+            try {
+              messageHandler.send("test", testObj, [testObj.buffer]);
+            } catch (ex) {
+              (0, _util.warn)("Cannot use postMessage transfers.");
+              testObj[0] = 0;
+              messageHandler.send("test", testObj);
+            }
+          };
+
+          sendTest();
+          return;
+        } catch (e) {
+          (0, _util.info)("The worker has been disabled.");
+        }
+      }
+
+      this._setupFakeWorker();
+    }
+
+    _setupFakeWorker() {
+      if (!isWorkerDisabled) {
+        (0, _util.warn)("Setting up fake worker.");
+        isWorkerDisabled = true;
+      }
+
+      setupFakeWorkerGlobal().then(WorkerMessageHandler => {
+        if (this.destroyed) {
+          this._readyCapability.reject(new Error("Worker was destroyed"));
+
+          return;
+        }
+
+        const port = new LoopbackPort();
+        this._port = port;
+        const id = "fake" + nextFakeWorkerId++;
+        const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
+        WorkerMessageHandler.setup(workerHandler, port);
+        const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
+        this._messageHandler = messageHandler;
+
+        this._readyCapability.resolve();
+
+        messageHandler.send("configure", {
+          verbosity: this.verbosity
+        });
+      }).catch(reason => {
+        this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
+      });
+    }
+
+    destroy() {
+      this.destroyed = true;
+
+      if (this._webWorker) {
+        this._webWorker.terminate();
+
+        this._webWorker = null;
+      }
+
+      pdfWorkerPorts.delete(this._port);
+      this._port = null;
+
+      if (this._messageHandler) {
+        this._messageHandler.destroy();
+
+        this._messageHandler = null;
+      }
+    }
+
+    static fromPort(params) {
+      if (!params || !params.port) {
+        throw new Error("PDFWorker.fromPort - invalid method signature.");
+      }
+
+      if (pdfWorkerPorts.has(params.port)) {
+        return pdfWorkerPorts.get(params.port);
+      }
+
+      return new PDFWorker(params);
+    }
+
+    static getWorkerSrc() {
+      return getWorkerSrc();
+    }
+
+  }
+
+  return PDFWorker;
+}();
+
+exports.PDFWorker = PDFWorker;
+
+class WorkerTransport {
+  constructor(messageHandler, loadingTask, networkStream, params) {
+    this.messageHandler = messageHandler;
+    this.loadingTask = loadingTask;
+    this.commonObjs = new PDFObjects();
+    this.fontLoader = new _font_loader.FontLoader({
+      docId: loadingTask.docId,
+      onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+      ownerDocument: params.ownerDocument
+    });
+    this._params = params;
+    this.CMapReaderFactory = new params.CMapReaderFactory({
+      baseUrl: params.cMapUrl,
+      isCompressed: params.cMapPacked
+    });
+    this.destroyed = false;
+    this.destroyCapability = null;
+    this._passwordCapability = null;
+    this._networkStream = networkStream;
+    this._fullReader = null;
+    this._lastProgress = null;
+    this.pageCache = [];
+    this.pagePromises = [];
+    this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+    this.setupMessageHandler();
+  }
+
+  destroy() {
+    if (this.destroyCapability) {
+      return this.destroyCapability.promise;
+    }
+
+    this.destroyed = true;
+    this.destroyCapability = (0, _util.createPromiseCapability)();
+
+    if (this._passwordCapability) {
+      this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
+    }
+
+    const waitOn = [];
+    this.pageCache.forEach(function (page) {
+      if (page) {
+        waitOn.push(page._destroy());
+      }
+    });
+    this.pageCache.length = 0;
+    this.pagePromises.length = 0;
+    const terminated = this.messageHandler.sendWithPromise("Terminate", null);
+    waitOn.push(terminated);
+    Promise.all(waitOn).then(() => {
+      this.fontLoader.clear();
+
+      if (this._networkStream) {
+        this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
+      }
+
+      if (this.messageHandler) {
+        this.messageHandler.destroy();
+        this.messageHandler = null;
+      }
+
+      this.destroyCapability.resolve();
+    }, this.destroyCapability.reject);
+    return this.destroyCapability.promise;
+  }
+
+  setupMessageHandler() {
+    const {
+      messageHandler,
+      loadingTask
+    } = this;
+    messageHandler.on("GetReader", (data, sink) => {
+      (0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
+      this._fullReader = this._networkStream.getFullReader();
+
+      this._fullReader.onProgress = evt => {
+        this._lastProgress = {
+          loaded: evt.loaded,
+          total: evt.total
+        };
+      };
+
+      sink.onPull = () => {
+        this._fullReader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            sink.close();
+            return;
+          }
+
+          (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
+          sink.enqueue(new Uint8Array(value), 1, [value]);
+        }).catch(reason => {
+          sink.error(reason);
+        });
+      };
+
+      sink.onCancel = reason => {
+        this._fullReader.cancel(reason);
+
+        sink.ready.catch(readyReason => {
+          if (this.destroyed) {
+            return;
+          }
+
+          throw readyReason;
+        });
+      };
+    });
+    messageHandler.on("ReaderHeadersReady", data => {
+      const headersCapability = (0, _util.createPromiseCapability)();
+      const fullReader = this._fullReader;
+      fullReader.headersReady.then(() => {
+        if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+          if (this._lastProgress && loadingTask.onProgress) {
+            loadingTask.onProgress(this._lastProgress);
+          }
+
+          fullReader.onProgress = evt => {
+            if (loadingTask.onProgress) {
+              loadingTask.onProgress({
+                loaded: evt.loaded,
+                total: evt.total
+              });
+            }
+          };
+        }
+
+        headersCapability.resolve({
+          isStreamingSupported: fullReader.isStreamingSupported,
+          isRangeSupported: fullReader.isRangeSupported,
+          contentLength: fullReader.contentLength
+        });
+      }, headersCapability.reject);
+      return headersCapability.promise;
+    });
+    messageHandler.on("GetRangeReader", (data, sink) => {
+      (0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
+
+      const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
+
+      if (!rangeReader) {
+        sink.close();
+        return;
+      }
+
+      sink.onPull = () => {
+        rangeReader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            sink.close();
+            return;
+          }
+
+          (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
+          sink.enqueue(new Uint8Array(value), 1, [value]);
+        }).catch(reason => {
+          sink.error(reason);
+        });
+      };
+
+      sink.onCancel = reason => {
+        rangeReader.cancel(reason);
+        sink.ready.catch(readyReason => {
+          if (this.destroyed) {
+            return;
+          }
+
+          throw readyReason;
+        });
+      };
+    });
+    messageHandler.on("GetDoc", ({
+      pdfInfo
+    }) => {
+      this._numPages = pdfInfo.numPages;
+
+      loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
+    });
+    messageHandler.on("DocException", function (ex) {
+      let reason;
+
+      switch (ex.name) {
+        case "PasswordException":
+          reason = new _util.PasswordException(ex.message, ex.code);
+          break;
+
+        case "InvalidPDFException":
+          reason = new _util.InvalidPDFException(ex.message);
+          break;
+
+        case "MissingPDFException":
+          reason = new _util.MissingPDFException(ex.message);
+          break;
+
+        case "UnexpectedResponseException":
+          reason = new _util.UnexpectedResponseException(ex.message, ex.status);
+          break;
+
+        case "UnknownErrorException":
+          reason = new _util.UnknownErrorException(ex.message, ex.details);
+          break;
+      }
+
+      if (!(reason instanceof Error)) {
+        const msg = "DocException - expected a valid Error.";
+        (0, _util.warn)(msg);
+      }
+
+      loadingTask._capability.reject(reason);
+    });
+    messageHandler.on("PasswordRequest", exception => {
+      this._passwordCapability = (0, _util.createPromiseCapability)();
+
+      if (loadingTask.onPassword) {
+        const updatePassword = password => {
+          this._passwordCapability.resolve({
+            password
+          });
+        };
+
+        try {
+          loadingTask.onPassword(updatePassword, exception.code);
+        } catch (ex) {
+          this._passwordCapability.reject(ex);
+        }
+      } else {
+        this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+      }
+
+      return this._passwordCapability.promise;
+    });
+    messageHandler.on("DataLoaded", data => {
+      if (loadingTask.onProgress) {
+        loadingTask.onProgress({
+          loaded: data.length,
+          total: data.length
+        });
+      }
+
+      this.downloadInfoCapability.resolve(data);
+    });
+    messageHandler.on("StartRenderPage", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      const page = this.pageCache[data.pageIndex];
+
+      page._startRenderPage(data.transparency, data.intent);
+    });
+    messageHandler.on("commonobj", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      const [id, type, exportedData] = data;
+
+      if (this.commonObjs.has(id)) {
+        return;
+      }
+
+      switch (type) {
+        case "Font":
+          const params = this._params;
+
+          if ("error" in exportedData) {
+            const exportedError = exportedData.error;
+            (0, _util.warn)(`Error during font loading: ${exportedError}`);
+            this.commonObjs.resolve(id, exportedError);
+            break;
+          }
+
+          let fontRegistry = null;
+
+          if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) {
+            fontRegistry = {
+              registerFont(font, url) {
+                globalThis.FontInspector.fontAdded(font, url);
+              }
+
+            };
+          }
+
+          const font = new _font_loader.FontFaceObject(exportedData, {
+            isEvalSupported: params.isEvalSupported,
+            disableFontFace: params.disableFontFace,
+            ignoreErrors: params.ignoreErrors,
+            onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+            fontRegistry
+          });
+          this.fontLoader.bind(font).catch(reason => {
+            return messageHandler.sendWithPromise("FontFallback", {
+              id
+            });
+          }).finally(() => {
+            if (!params.fontExtraProperties && font.data) {
+              font.data = null;
+            }
+
+            this.commonObjs.resolve(id, font);
+          });
+          break;
+
+        case "FontPath":
+        case "Image":
+          this.commonObjs.resolve(id, exportedData);
+          break;
+
+        default:
+          throw new Error(`Got unknown common object type ${type}`);
+      }
+    });
+    messageHandler.on("obj", data => {
+      if (this.destroyed) {
+        return undefined;
+      }
+
+      const [id, pageIndex, type, imageData] = data;
+      const pageProxy = this.pageCache[pageIndex];
+
+      if (pageProxy.objs.has(id)) {
+        return undefined;
+      }
+
+      switch (type) {
+        case "Image":
+          pageProxy.objs.resolve(id, imageData);
+          const MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+          if (imageData && "data" in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
+            pageProxy.cleanupAfterRender = true;
+          }
+
+          break;
+
+        default:
+          throw new Error(`Got unknown object type ${type}`);
+      }
+
+      return undefined;
+    });
+    messageHandler.on("DocProgress", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      if (loadingTask.onProgress) {
+        loadingTask.onProgress({
+          loaded: data.loaded,
+          total: data.total
+        });
+      }
+    });
+    messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
+    messageHandler.on("FetchBuiltInCMap", (data, sink) => {
+      if (this.destroyed) {
+        sink.error(new Error("Worker was destroyed"));
+        return;
+      }
+
+      let fetched = false;
+
+      sink.onPull = () => {
+        if (fetched) {
+          sink.close();
+          return;
+        }
+
+        fetched = true;
+        this.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
+          sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
+        }).catch(function (reason) {
+          sink.error(reason);
+        });
+      };
+    });
+  }
+
+  _onUnsupportedFeature({
+    featureId
+  }) {
+    if (this.destroyed) {
+      return;
+    }
+
+    if (this.loadingTask.onUnsupportedFeature) {
+      this.loadingTask.onUnsupportedFeature(featureId);
+    }
+  }
+
+  getData() {
+    return this.messageHandler.sendWithPromise("GetData", null);
+  }
+
+  getPage(pageNumber) {
+    if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+      return Promise.reject(new Error("Invalid page request"));
+    }
+
+    const pageIndex = pageNumber - 1;
+
+    if (pageIndex in this.pagePromises) {
+      return this.pagePromises[pageIndex];
+    }
+
+    const promise = this.messageHandler.sendWithPromise("GetPage", {
+      pageIndex
+    }).then(pageInfo => {
+      if (this.destroyed) {
+        throw new Error("Transport destroyed");
+      }
+
+      const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
+      this.pageCache[pageIndex] = page;
+      return page;
+    });
+    this.pagePromises[pageIndex] = promise;
+    return promise;
+  }
+
+  getPageIndex(ref) {
+    return this.messageHandler.sendWithPromise("GetPageIndex", {
+      ref
+    }).catch(function (reason) {
+      return Promise.reject(new Error(reason));
+    });
+  }
+
+  getAnnotations(pageIndex, intent) {
+    return this.messageHandler.sendWithPromise("GetAnnotations", {
+      pageIndex,
+      intent
+    });
+  }
+
+  saveDocument(annotationStorage) {
+    return this.messageHandler.sendWithPromise("SaveDocument", {
+      numPages: this._numPages,
+      annotationStorage: annotationStorage && annotationStorage.getAll() || null,
+      filename: this._fullReader ? this._fullReader.filename : null
+    }).finally(() => {
+      if (annotationStorage) {
+        annotationStorage.resetModified();
+      }
+    });
+  }
+
+  getDestinations() {
+    return this.messageHandler.sendWithPromise("GetDestinations", null);
+  }
+
+  getDestination(id) {
+    if (typeof id !== "string") {
+      return Promise.reject(new Error("Invalid destination request."));
+    }
+
+    return this.messageHandler.sendWithPromise("GetDestination", {
+      id
+    });
+  }
+
+  getPageLabels() {
+    return this.messageHandler.sendWithPromise("GetPageLabels", null);
+  }
+
+  getPageLayout() {
+    return this.messageHandler.sendWithPromise("GetPageLayout", null);
+  }
+
+  getPageMode() {
+    return this.messageHandler.sendWithPromise("GetPageMode", null);
+  }
+
+  getViewerPreferences() {
+    return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
+  }
+
+  getOpenAction() {
+    return this.messageHandler.sendWithPromise("GetOpenAction", null);
+  }
+
+  getAttachments() {
+    return this.messageHandler.sendWithPromise("GetAttachments", null);
+  }
+
+  getJavaScript() {
+    return this.messageHandler.sendWithPromise("GetJavaScript", null);
+  }
+
+  getOutline() {
+    return this.messageHandler.sendWithPromise("GetOutline", null);
+  }
+
+  getOptionalContentConfig() {
+    return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
+      return new _optional_content_config.OptionalContentConfig(results);
+    });
+  }
+
+  getPermissions() {
+    return this.messageHandler.sendWithPromise("GetPermissions", null);
+  }
+
+  getMetadata() {
+    return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
+      return {
+        info: results[0],
+        metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+        contentDispositionFilename: this._fullReader ? this._fullReader.filename : null
+      };
+    });
+  }
+
+  getStats() {
+    return this.messageHandler.sendWithPromise("GetStats", null);
+  }
+
+  startCleanup() {
+    return this.messageHandler.sendWithPromise("Cleanup", null).then(() => {
+      for (let i = 0, ii = this.pageCache.length; i < ii; i++) {
+        const page = this.pageCache[i];
+
+        if (page) {
+          const cleanupSuccessful = page.cleanup();
+
+          if (!cleanupSuccessful) {
+            throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`);
+          }
+        }
+      }
+
+      this.commonObjs.clear();
+      this.fontLoader.clear();
+    });
+  }
+
+  get loadingParams() {
+    const params = this._params;
+    return (0, _util.shadow)(this, "loadingParams", {
+      disableAutoFetch: params.disableAutoFetch,
+      disableFontFace: params.disableFontFace
+    });
+  }
+
+}
+
+class PDFObjects {
+  constructor() {
+    this._objs = Object.create(null);
+  }
+
+  _ensureObj(objId) {
+    if (this._objs[objId]) {
+      return this._objs[objId];
+    }
+
+    return this._objs[objId] = {
+      capability: (0, _util.createPromiseCapability)(),
+      data: null,
+      resolved: false
+    };
+  }
+
+  get(objId, callback = null) {
+    if (callback) {
+      this._ensureObj(objId).capability.promise.then(callback);
+
+      return null;
+    }
+
+    const obj = this._objs[objId];
+
+    if (!obj || !obj.resolved) {
+      throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
+    }
+
+    return obj.data;
+  }
+
+  has(objId) {
+    const obj = this._objs[objId];
+    return obj ? obj.resolved : false;
+  }
+
+  resolve(objId, data) {
+    const obj = this._ensureObj(objId);
+
+    obj.resolved = true;
+    obj.data = data;
+    obj.capability.resolve(data);
+  }
+
+  clear() {
+    this._objs = Object.create(null);
+  }
+
+}
+
+class RenderTask {
+  constructor(internalRenderTask) {
+    this._internalRenderTask = internalRenderTask;
+    this.onContinue = null;
+  }
+
+  get promise() {
+    return this._internalRenderTask.capability.promise;
+  }
+
+  cancel() {
+    this._internalRenderTask.cancel();
+  }
+
+}
+
+const InternalRenderTask = function InternalRenderTaskClosure() {
+  const canvasInRendering = new WeakSet();
+
+  class InternalRenderTask {
+    constructor({
+      callback,
+      params,
+      objs,
+      commonObjs,
+      operatorList,
+      pageIndex,
+      canvasFactory,
+      webGLContext,
+      useRequestAnimationFrame = false,
+      pdfBug = false
+    }) {
+      this.callback = callback;
+      this.params = params;
+      this.objs = objs;
+      this.commonObjs = commonObjs;
+      this.operatorListIdx = null;
+      this.operatorList = operatorList;
+      this._pageIndex = pageIndex;
+      this.canvasFactory = canvasFactory;
+      this.webGLContext = webGLContext;
+      this._pdfBug = pdfBug;
+      this.running = false;
+      this.graphicsReadyCallback = null;
+      this.graphicsReady = false;
+      this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
+      this.cancelled = false;
+      this.capability = (0, _util.createPromiseCapability)();
+      this.task = new RenderTask(this);
+      this._continueBound = this._continue.bind(this);
+      this._scheduleNextBound = this._scheduleNext.bind(this);
+      this._nextBound = this._next.bind(this);
+      this._canvas = params.canvasContext.canvas;
+    }
+
+    get completed() {
+      return this.capability.promise.catch(function () {});
+    }
+
+    initializeGraphics({
+      transparency = false,
+      optionalContentConfig
+    }) {
+      if (this.cancelled) {
+        return;
+      }
+
+      if (this._canvas) {
+        if (canvasInRendering.has(this._canvas)) {
+          throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
+        }
+
+        canvasInRendering.add(this._canvas);
+      }
+
+      if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) {
+        this.stepper = globalThis.StepperManager.create(this._pageIndex);
+        this.stepper.init(this.operatorList);
+        this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+      }
+
+      const {
+        canvasContext,
+        viewport,
+        transform,
+        imageLayer,
+        background
+      } = this.params;
+      this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer, optionalContentConfig);
+      this.gfx.beginDrawing({
+        transform,
+        viewport,
+        transparency,
+        background
+      });
+      this.operatorListIdx = 0;
+      this.graphicsReady = true;
+
+      if (this.graphicsReadyCallback) {
+        this.graphicsReadyCallback();
+      }
+    }
+
+    cancel(error = null) {
+      this.running = false;
+      this.cancelled = true;
+
+      if (this.gfx) {
+        this.gfx.endDrawing();
+      }
+
+      if (this._canvas) {
+        canvasInRendering.delete(this._canvas);
+      }
+
+      this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
+    }
+
+    operatorListChanged() {
+      if (!this.graphicsReady) {
+        if (!this.graphicsReadyCallback) {
+          this.graphicsReadyCallback = this._continueBound;
+        }
+
+        return;
+      }
+
+      if (this.stepper) {
+        this.stepper.updateOperatorList(this.operatorList);
+      }
+
+      if (this.running) {
+        return;
+      }
+
+      this._continue();
+    }
+
+    _continue() {
+      this.running = true;
+
+      if (this.cancelled) {
+        return;
+      }
+
+      if (this.task.onContinue) {
+        this.task.onContinue(this._scheduleNextBound);
+      } else {
+        this._scheduleNext();
+      }
+    }
+
+    _scheduleNext() {
+      if (this._useRequestAnimationFrame) {
+        window.requestAnimationFrame(() => {
+          this._nextBound().catch(this.cancel.bind(this));
+        });
+      } else {
+        Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));
+      }
+    }
+
+    async _next() {
+      if (this.cancelled) {
+        return;
+      }
+
+      this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
+
+      if (this.operatorListIdx === this.operatorList.argsArray.length) {
+        this.running = false;
+
+        if (this.operatorList.lastChunk) {
+          this.gfx.endDrawing();
+
+          if (this._canvas) {
+            canvasInRendering.delete(this._canvas);
+          }
+
+          this.callback();
+        }
+      }
+    }
+
+  }
+
+  return InternalRenderTask;
+}();
+
+const version = '2.6.347';
+exports.version = version;
+const build = '3be9c65f';
+exports.build = build;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontLoader = exports.FontFaceObject = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class BaseFontLoader {
+  constructor({
+    docId,
+    onUnsupportedFeature,
+    ownerDocument = globalThis.document
+  }) {
+    if (this.constructor === BaseFontLoader) {
+      (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
+    }
+
+    this.docId = docId;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this._document = ownerDocument;
+    this.nativeFontFaces = [];
+    this.styleElement = null;
+  }
+
+  addNativeFontFace(nativeFontFace) {
+    this.nativeFontFaces.push(nativeFontFace);
+
+    this._document.fonts.add(nativeFontFace);
+  }
+
+  insertRule(rule) {
+    let styleElement = this.styleElement;
+
+    if (!styleElement) {
+      styleElement = this.styleElement = this._document.createElement("style");
+      styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
+
+      this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
+    }
+
+    const styleSheet = styleElement.sheet;
+    styleSheet.insertRule(rule, styleSheet.cssRules.length);
+  }
+
+  clear() {
+    this.nativeFontFaces.forEach(nativeFontFace => {
+      this._document.fonts.delete(nativeFontFace);
+    });
+    this.nativeFontFaces.length = 0;
+
+    if (this.styleElement) {
+      this.styleElement.remove();
+      this.styleElement = null;
+    }
+  }
+
+  async bind(font) {
+    if (font.attached || font.missingFile) {
+      return;
+    }
+
+    font.attached = true;
+
+    if (this.isFontLoadingAPISupported) {
+      const nativeFontFace = font.createNativeFontFace();
+
+      if (nativeFontFace) {
+        this.addNativeFontFace(nativeFontFace);
+
+        try {
+          await nativeFontFace.loaded;
+        } catch (ex) {
+          this._onUnsupportedFeature({
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
+          });
+
+          (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
+          font.disableFontFace = true;
+          throw ex;
+        }
+      }
+
+      return;
+    }
+
+    const rule = font.createFontFaceRule();
+
+    if (rule) {
+      this.insertRule(rule);
+
+      if (this.isSyncFontLoadingSupported) {
+        return;
+      }
+
+      await new Promise(resolve => {
+        const request = this._queueLoadingCallback(resolve);
+
+        this._prepareFontLoadEvent([rule], [font], request);
+      });
+    }
+  }
+
+  _queueLoadingCallback(callback) {
+    (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
+  }
+
+  get isFontLoadingAPISupported() {
+    const supported = typeof this._document !== "undefined" && !!this._document.fonts;
+    return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported);
+  }
+
+  get isSyncFontLoadingSupported() {
+    (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
+  }
+
+  get _loadTestFont() {
+    (0, _util.unreachable)("Abstract method `_loadTestFont`.");
+  }
+
+  _prepareFontLoadEvent(rules, fontsToLoad, request) {
+    (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
+  }
+
+}
+
+let FontLoader;
+exports.FontLoader = FontLoader;
+{
+  exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
+    constructor(params) {
+      super(params);
+      this.loadingContext = {
+        requests: [],
+        nextRequestId: 0
+      };
+      this.loadTestFontId = 0;
+    }
+
+    get isSyncFontLoadingSupported() {
+      let supported = false;
+
+      if (typeof navigator === "undefined") {
+        supported = true;
+      } else {
+        const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+        if (m && m[1] >= 14) {
+          supported = true;
+        }
+      }
+
+      return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
+    }
+
+    _queueLoadingCallback(callback) {
+      function completeRequest() {
+        (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
+        request.done = true;
+
+        while (context.requests.length > 0 && context.requests[0].done) {
+          const otherRequest = context.requests.shift();
+          setTimeout(otherRequest.callback, 0);
+        }
+      }
+
+      const context = this.loadingContext;
+      const request = {
+        id: `pdfjs-font-loading-${context.nextRequestId++}`,
+        done: false,
+        complete: completeRequest,
+        callback
+      };
+      context.requests.push(request);
+      return request;
+    }
+
+    get _loadTestFont() {
+      const getLoadTestFont = function () {
+        return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
+      };
+
+      return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
+    }
+
+    _prepareFontLoadEvent(rules, fonts, request) {
+      function int32(data, offset) {
+        return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
+      }
+
+      function spliceString(s, offset, remove, insert) {
+        const chunk1 = s.substring(0, offset);
+        const chunk2 = s.substring(offset + remove);
+        return chunk1 + insert + chunk2;
+      }
+
+      let i, ii;
+
+      const canvas = this._document.createElement("canvas");
+
+      canvas.width = 1;
+      canvas.height = 1;
+      const ctx = canvas.getContext("2d");
+      let called = 0;
+
+      function isFontReady(name, callback) {
+        called++;
+
+        if (called > 30) {
+          (0, _util.warn)("Load test font never loaded.");
+          callback();
+          return;
+        }
+
+        ctx.font = "30px " + name;
+        ctx.fillText(".", 0, 20);
+        const imageData = ctx.getImageData(0, 0, 1, 1);
+
+        if (imageData.data[3] > 0) {
+          callback();
+          return;
+        }
+
+        setTimeout(isFontReady.bind(null, name, callback));
+      }
+
+      const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
+      let data = this._loadTestFont;
+      const COMMENT_OFFSET = 976;
+      data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
+      const CFF_CHECKSUM_OFFSET = 16;
+      const XXXX_VALUE = 0x58585858;
+      let checksum = int32(data, CFF_CHECKSUM_OFFSET);
+
+      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+        checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
+      }
+
+      if (i < loadTestFontId.length) {
+        checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
+      }
+
+      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
+      const url = `url(data:font/opentype;base64,${btoa(data)});`;
+      const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
+      this.insertRule(rule);
+      const names = [];
+
+      for (i = 0, ii = fonts.length; i < ii; i++) {
+        names.push(fonts[i].loadedName);
+      }
+
+      names.push(loadTestFontId);
+
+      const div = this._document.createElement("div");
+
+      div.style.visibility = "hidden";
+      div.style.width = div.style.height = "10px";
+      div.style.position = "absolute";
+      div.style.top = div.style.left = "0px";
+
+      for (i = 0, ii = names.length; i < ii; ++i) {
+        const span = this._document.createElement("span");
+
+        span.textContent = "Hi";
+        span.style.fontFamily = names[i];
+        div.appendChild(span);
+      }
+
+      this._document.body.appendChild(div);
+
+      isFontReady(loadTestFontId, () => {
+        this._document.body.removeChild(div);
+
+        request.complete();
+      });
+    }
+
+  };
+}
+
+class FontFaceObject {
+  constructor(translatedData, {
+    isEvalSupported = true,
+    disableFontFace = false,
+    ignoreErrors = false,
+    onUnsupportedFeature = null,
+    fontRegistry = null
+  }) {
+    this.compiledGlyphs = Object.create(null);
+
+    for (const i in translatedData) {
+      this[i] = translatedData[i];
+    }
+
+    this.isEvalSupported = isEvalSupported !== false;
+    this.disableFontFace = disableFontFace === true;
+    this.ignoreErrors = ignoreErrors === true;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this.fontRegistry = fontRegistry;
+  }
+
+  createNativeFontFace() {
+    if (!this.data || this.disableFontFace) {
+      return null;
+    }
+
+    const nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+    if (this.fontRegistry) {
+      this.fontRegistry.registerFont(this);
+    }
+
+    return nativeFontFace;
+  }
+
+  createFontFaceRule() {
+    if (!this.data || this.disableFontFace) {
+      return null;
+    }
+
+    const data = (0, _util.bytesToString)(new Uint8Array(this.data));
+    const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
+    const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
+
+    if (this.fontRegistry) {
+      this.fontRegistry.registerFont(this, url);
+    }
+
+    return rule;
+  }
+
+  getPathGenerator(objs, character) {
+    if (this.compiledGlyphs[character] !== undefined) {
+      return this.compiledGlyphs[character];
+    }
+
+    let cmds, current;
+
+    try {
+      cmds = objs.get(this.loadedName + "_path_" + character);
+    } catch (ex) {
+      if (!this.ignoreErrors) {
+        throw ex;
+      }
+
+      if (this._onUnsupportedFeature) {
+        this._onUnsupportedFeature({
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
+        });
+      }
+
+      (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
+      return this.compiledGlyphs[character] = function (c, size) {};
+    }
+
+    if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
+      let args,
+          js = "";
+
+      for (let i = 0, ii = cmds.length; i < ii; i++) {
+        current = cmds[i];
+
+        if (current.args !== undefined) {
+          args = current.args.join(",");
+        } else {
+          args = "";
+        }
+
+        js += "c." + current.cmd + "(" + args + ");\n";
+      }
+
+      return this.compiledGlyphs[character] = new Function("c", "size", js);
+    }
+
+    return this.compiledGlyphs[character] = function (c, size) {
+      for (let i = 0, ii = cmds.length; i < ii; i++) {
+        current = cmds[i];
+
+        if (current.cmd === "scale") {
+          current.args = [size, -size];
+        }
+
+        c[current.cmd].apply(c, current.args);
+      }
+    };
+  }
+
+}
+
+exports.FontFaceObject = FontFaceObject;
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NodeCMapReaderFactory = exports.NodeCanvasFactory = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(4);
+
+var _util = __w_pdfjs_require__(2);
+
+let NodeCanvasFactory = class {
+  constructor() {
+    (0, _util.unreachable)("Not implemented: NodeCanvasFactory");
+  }
+
+};
+exports.NodeCanvasFactory = NodeCanvasFactory;
+let NodeCMapReaderFactory = class {
+  constructor() {
+    (0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
+  }
+
+};
+exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
+
+if (_is_node.isNodeJS) {
+  exports.NodeCanvasFactory = NodeCanvasFactory = class extends _display_utils.BaseCanvasFactory {
+    create(width, height) {
+      if (width <= 0 || height <= 0) {
+        throw new Error("Invalid canvas size");
+      }
+
+      const Canvas = require("canvas");
+
+      const canvas = Canvas.createCanvas(width, height);
+      return {
+        canvas,
+        context: canvas.getContext("2d")
+      };
+    }
+
+  };
+  exports.NodeCMapReaderFactory = NodeCMapReaderFactory = class extends _display_utils.BaseCMapReaderFactory {
+    _fetchData(url, compressionType) {
+      return new Promise((resolve, reject) => {
+        const fs = require("fs");
+
+        fs.readFile(url, (error, data) => {
+          if (error || !data) {
+            reject(new Error(error));
+            return;
+          }
+
+          resolve({
+            cMapData: new Uint8Array(data),
+            compressionType
+          });
+        });
+      });
+    }
+
+  };
+}
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationStorage = void 0;
+
+class AnnotationStorage {
+  constructor() {
+    this._storage = new Map();
+    this._modified = false;
+    this.onSetModified = null;
+    this.onResetModified = null;
+  }
+
+  getOrCreateValue(key, defaultValue) {
+    if (this._storage.has(key)) {
+      return this._storage.get(key);
+    }
+
+    this._storage.set(key, defaultValue);
+
+    return defaultValue;
+  }
+
+  setValue(key, value) {
+    if (this._storage.get(key) !== value) {
+      this._setModified();
+    }
+
+    this._storage.set(key, value);
+  }
+
+  getAll() {
+    if (this._storage.size === 0) {
+      return null;
+    }
+
+    return Object.fromEntries(this._storage);
+  }
+
+  get size() {
+    return this._storage.size;
+  }
+
+  _setModified() {
+    if (!this._modified) {
+      this._modified = true;
+
+      if (typeof this.onSetModified === "function") {
+        this.onSetModified();
+      }
+    }
+  }
+
+  resetModified() {
+    if (this._modified) {
+      this._modified = false;
+
+      if (typeof this.onResetModified === "function") {
+        this.onResetModified();
+      }
+    }
+  }
+
+}
+
+exports.AnnotationStorage = AnnotationStorage;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.apiCompatibilityParams = void 0;
+
+var _is_node = __w_pdfjs_require__(4);
+
+const compatibilityParams = Object.create(null);
+{
+  (function checkFontFace() {
+    if (_is_node.isNodeJS) {
+      compatibilityParams.disableFontFace = true;
+    }
+  })();
+}
+const apiCompatibilityParams = Object.freeze(compatibilityParams);
+exports.apiCompatibilityParams = apiCompatibilityParams;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CanvasGraphics = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _pattern_helper = __w_pdfjs_require__(11);
+
+var MIN_FONT_SIZE = 16;
+var MAX_FONT_SIZE = 100;
+var MAX_GROUP_SIZE = 4096;
+var MIN_WIDTH_FACTOR = 0.65;
+var COMPILE_TYPE3_GLYPHS = true;
+var MAX_SIZE_TO_COMPILE = 1000;
+var FULL_CHUNK_HEIGHT = 16;
+
+function addContextCurrentTransform(ctx) {
+  if (!ctx.mozCurrentTransform) {
+    ctx._originalSave = ctx.save;
+    ctx._originalRestore = ctx.restore;
+    ctx._originalRotate = ctx.rotate;
+    ctx._originalScale = ctx.scale;
+    ctx._originalTranslate = ctx.translate;
+    ctx._originalTransform = ctx.transform;
+    ctx._originalSetTransform = ctx.setTransform;
+    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+    ctx._transformStack = [];
+    Object.defineProperty(ctx, "mozCurrentTransform", {
+      get: function getCurrentTransform() {
+        return this._transformMatrix;
+      }
+    });
+    Object.defineProperty(ctx, "mozCurrentTransformInverse", {
+      get: function getCurrentTransformInverse() {
+        var m = this._transformMatrix;
+        var a = m[0],
+            b = m[1],
+            c = m[2],
+            d = m[3],
+            e = m[4],
+            f = m[5];
+        var ad_bc = a * d - b * c;
+        var bc_ad = b * c - a * d;
+        return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
+      }
+    });
+
+    ctx.save = function ctxSave() {
+      var old = this._transformMatrix;
+
+      this._transformStack.push(old);
+
+      this._transformMatrix = old.slice(0, 6);
+
+      this._originalSave();
+    };
+
+    ctx.restore = function ctxRestore() {
+      var prev = this._transformStack.pop();
+
+      if (prev) {
+        this._transformMatrix = prev;
+
+        this._originalRestore();
+      }
+    };
+
+    ctx.translate = function ctxTranslate(x, y) {
+      var m = this._transformMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+
+      this._originalTranslate(x, y);
+    };
+
+    ctx.scale = function ctxScale(x, y) {
+      var m = this._transformMatrix;
+      m[0] = m[0] * x;
+      m[1] = m[1] * x;
+      m[2] = m[2] * y;
+      m[3] = m[3] * y;
+
+      this._originalScale(x, y);
+    };
+
+    ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
+
+      ctx._originalTransform(a, b, c, d, e, f);
+    };
+
+    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+      this._transformMatrix = [a, b, c, d, e, f];
+
+      ctx._originalSetTransform(a, b, c, d, e, f);
+    };
+
+    ctx.rotate = function ctxRotate(angle) {
+      var cosValue = Math.cos(angle);
+      var sinValue = Math.sin(angle);
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
+
+      this._originalRotate(angle);
+    };
+  }
+}
+
+var CachedCanvases = function CachedCanvasesClosure() {
+  function CachedCanvases(canvasFactory) {
+    this.canvasFactory = canvasFactory;
+    this.cache = Object.create(null);
+  }
+
+  CachedCanvases.prototype = {
+    getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
+      var canvasEntry;
+
+      if (this.cache[id] !== undefined) {
+        canvasEntry = this.cache[id];
+        this.canvasFactory.reset(canvasEntry, width, height);
+        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+      } else {
+        canvasEntry = this.canvasFactory.create(width, height);
+        this.cache[id] = canvasEntry;
+      }
+
+      if (trackTransform) {
+        addContextCurrentTransform(canvasEntry.context);
+      }
+
+      return canvasEntry;
+    },
+
+    clear() {
+      for (var id in this.cache) {
+        var canvasEntry = this.cache[id];
+        this.canvasFactory.destroy(canvasEntry);
+        delete this.cache[id];
+      }
+    }
+
+  };
+  return CachedCanvases;
+}();
+
+function compileType3Glyph(imgData) {
+  var POINT_TO_PROCESS_LIMIT = 1000;
+  var width = imgData.width,
+      height = imgData.height;
+  var i,
+      j,
+      j0,
+      width1 = width + 1;
+  var points = new Uint8Array(width1 * (height + 1));
+  var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+  var lineSize = width + 7 & ~7,
+      data0 = imgData.data;
+  var data = new Uint8Array(lineSize * height),
+      pos = 0,
+      ii;
+
+  for (i = 0, ii = data0.length; i < ii; i++) {
+    var mask = 128,
+        elem = data0[i];
+
+    while (mask > 0) {
+      data[pos++] = elem & mask ? 0 : 255;
+      mask >>= 1;
+    }
+  }
+
+  var count = 0;
+  pos = 0;
+
+  if (data[pos] !== 0) {
+    points[0] = 1;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j] = data[pos] ? 2 : 1;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j] = 2;
+    ++count;
+  }
+
+  for (i = 1; i < height; i++) {
+    pos = i * lineSize;
+    j0 = i * width1;
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0] = data[pos] ? 1 : 8;
+      ++count;
+    }
+
+    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
+    for (j = 1; j < width; j++) {
+      sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
+
+      if (POINT_TYPES[sum]) {
+        points[j0 + j] = POINT_TYPES[sum];
+        ++count;
+      }
+
+      pos++;
+    }
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0 + j] = data[pos] ? 2 : 4;
+      ++count;
+    }
+
+    if (count > POINT_TO_PROCESS_LIMIT) {
+      return null;
+    }
+  }
+
+  pos = lineSize * (height - 1);
+  j0 = i * width1;
+
+  if (data[pos] !== 0) {
+    points[j0] = 8;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j0 + j] = data[pos] ? 4 : 8;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j0 + j] = 4;
+    ++count;
+  }
+
+  if (count > POINT_TO_PROCESS_LIMIT) {
+    return null;
+  }
+
+  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+  var outlines = [];
+
+  for (i = 0; count && i <= height; i++) {
+    var p = i * width1;
+    var end = p + width;
+
+    while (p < end && !points[p]) {
+      p++;
+    }
+
+    if (p === end) {
+      continue;
+    }
+
+    var coords = [p % width1, i];
+    var type = points[p],
+        p0 = p,
+        pp;
+
+    do {
+      var step = steps[type];
+
+      do {
+        p += step;
+      } while (!points[p]);
+
+      pp = points[p];
+
+      if (pp !== 5 && pp !== 10) {
+        type = pp;
+        points[p] = 0;
+      } else {
+        type = pp & 0x33 * type >> 4;
+        points[p] &= type >> 2 | type << 2;
+      }
+
+      coords.push(p % width1);
+      coords.push(p / width1 | 0);
+
+      if (!points[p]) {
+        --count;
+      }
+    } while (p0 !== p);
+
+    outlines.push(coords);
+    --i;
+  }
+
+  var drawOutline = function (c) {
+    c.save();
+    c.scale(1 / width, -1 / height);
+    c.translate(0, -height);
+    c.beginPath();
+
+    for (let k = 0, kk = outlines.length; k < kk; k++) {
+      var o = outlines[k];
+      c.moveTo(o[0], o[1]);
+
+      for (let l = 2, ll = o.length; l < ll; l += 2) {
+        c.lineTo(o[l], o[l + 1]);
+      }
+    }
+
+    c.fill();
+    c.beginPath();
+    c.restore();
+  };
+
+  return drawOutline;
+}
+
+var CanvasExtraState = function CanvasExtraStateClosure() {
+  function CanvasExtraState() {
+    this.alphaIsShape = false;
+    this.fontSize = 0;
+    this.fontSizeScale = 1;
+    this.textMatrix = _util.IDENTITY_MATRIX;
+    this.textMatrixScale = 1;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.leading = 0;
+    this.x = 0;
+    this.y = 0;
+    this.lineX = 0;
+    this.lineY = 0;
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.textHScale = 1;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.textRise = 0;
+    this.fillColor = "#000000";
+    this.strokeColor = "#000000";
+    this.patternFill = false;
+    this.fillAlpha = 1;
+    this.strokeAlpha = 1;
+    this.lineWidth = 1;
+    this.activeSMask = null;
+    this.resumeSMaskCtx = null;
+    this.transferMaps = null;
+  }
+
+  CanvasExtraState.prototype = {
+    clone: function CanvasExtraState_clone() {
+      return Object.create(this);
+    },
+    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+  };
+  return CanvasExtraState;
+}();
+
+var CanvasGraphics = function CanvasGraphicsClosure() {
+  var EXECUTION_TIME = 15;
+  var EXECUTION_STEPS = 10;
+
+  function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer, optionalContentConfig) {
+    this.ctx = canvasCtx;
+    this.current = new CanvasExtraState();
+    this.stateStack = [];
+    this.pendingClip = null;
+    this.pendingEOFill = false;
+    this.res = null;
+    this.xobjs = null;
+    this.commonObjs = commonObjs;
+    this.objs = objs;
+    this.canvasFactory = canvasFactory;
+    this.webGLContext = webGLContext;
+    this.imageLayer = imageLayer;
+    this.groupStack = [];
+    this.processingType3 = null;
+    this.baseTransform = null;
+    this.baseTransformStack = [];
+    this.groupLevel = 0;
+    this.smaskStack = [];
+    this.smaskCounter = 0;
+    this.tempSMask = null;
+    this.contentVisible = true;
+    this.markedContentStack = [];
+    this.optionalContentConfig = optionalContentConfig;
+    this.cachedCanvases = new CachedCanvases(this.canvasFactory);
+
+    if (canvasCtx) {
+      addContextCurrentTransform(canvasCtx);
+    }
+
+    this._cachedGetSinglePixelWidth = null;
+  }
+
+  function putBinaryImageData(ctx, imgData, transferMaps = null) {
+    if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
+      ctx.putImageData(imgData, 0, 0);
+      return;
+    }
+
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0,
+        destPos;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+    var i, j, thisChunkHeight, elemsInThisChunk;
+    let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
+
+    if (transferMaps) {
+      switch (transferMaps.length) {
+        case 1:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[0];
+          transferMapBlue = transferMaps[0];
+          transferMapGray = transferMaps[0];
+          break;
+
+        case 4:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[1];
+          transferMapBlue = transferMaps[2];
+          transferMapGray = transferMaps[3];
+          break;
+      }
+    }
+
+    if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
+      var srcLength = src.byteLength;
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
+      var dest32DataLength = dest32.length;
+      var fullSrcDiff = width + 7 >> 3;
+      var white = 0xffffffff;
+      var black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
+
+      if (transferMapGray) {
+        if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
+          [white, black] = [black, white];
+        }
+      }
+
+      for (i = 0; i < totalChunks; i++) {
+        thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+        destPos = 0;
+
+        for (j = 0; j < thisChunkHeight; j++) {
+          var srcDiff = srcLength - srcPos;
+          let k = 0;
+          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
+          var kEndUnrolled = kEnd & ~7;
+          var mask = 0;
+          var srcByte = 0;
+
+          for (; k < kEndUnrolled; k += 8) {
+            srcByte = src[srcPos++];
+            dest32[destPos++] = srcByte & 128 ? white : black;
+            dest32[destPos++] = srcByte & 64 ? white : black;
+            dest32[destPos++] = srcByte & 32 ? white : black;
+            dest32[destPos++] = srcByte & 16 ? white : black;
+            dest32[destPos++] = srcByte & 8 ? white : black;
+            dest32[destPos++] = srcByte & 4 ? white : black;
+            dest32[destPos++] = srcByte & 2 ? white : black;
+            dest32[destPos++] = srcByte & 1 ? white : black;
+          }
+
+          for (; k < kEnd; k++) {
+            if (mask === 0) {
+              srcByte = src[srcPos++];
+              mask = 128;
+            }
+
+            dest32[destPos++] = srcByte & mask ? white : black;
+            mask >>= 1;
+          }
+        }
+
+        while (destPos < dest32DataLength) {
+          dest32[destPos++] = 0;
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
+      const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+      j = 0;
+      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+      for (i = 0; i < fullChunks; i++) {
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+        srcPos += elemsInThisChunk;
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < elemsInThisChunk; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+        j += FULL_CHUNK_HEIGHT;
+      }
+
+      if (i < totalChunks) {
+        elemsInThisChunk = width * partialChunkHeight * 4;
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < elemsInThisChunk; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+      const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+      thisChunkHeight = FULL_CHUNK_HEIGHT;
+      elemsInThisChunk = width * thisChunkHeight;
+
+      for (i = 0; i < totalChunks; i++) {
+        if (i >= fullChunks) {
+          thisChunkHeight = partialChunkHeight;
+          elemsInThisChunk = width * thisChunkHeight;
+        }
+
+        destPos = 0;
+
+        for (j = elemsInThisChunk; j--;) {
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = 255;
+        }
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < destPos; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else {
+      throw new Error(`bad image kind: ${imgData.kind}`);
+    }
+  }
+
+  function putBinaryImageMask(ctx, imgData) {
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+
+    for (var i = 0; i < totalChunks; i++) {
+      var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+      var destPos = 3;
+
+      for (var j = 0; j < thisChunkHeight; j++) {
+        var mask = 0;
+
+        for (var k = 0; k < width; k++) {
+          if (!mask) {
+            var elem = src[srcPos++];
+            mask = 128;
+          }
+
+          dest[destPos] = elem & mask ? 0 : 255;
+          destPos += 4;
+          mask >>= 1;
+        }
+      }
+
+      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+    }
+  }
+
+  function copyCtxState(sourceCtx, destCtx) {
+    var properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
+
+    for (var i = 0, ii = properties.length; i < ii; i++) {
+      var property = properties[i];
+
+      if (sourceCtx[property] !== undefined) {
+        destCtx[property] = sourceCtx[property];
+      }
+    }
+
+    if (sourceCtx.setLineDash !== undefined) {
+      destCtx.setLineDash(sourceCtx.getLineDash());
+      destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+    }
+  }
+
+  function resetCtxToDefault(ctx) {
+    ctx.strokeStyle = "#000000";
+    ctx.fillStyle = "#000000";
+    ctx.fillRule = "nonzero";
+    ctx.globalAlpha = 1;
+    ctx.lineWidth = 1;
+    ctx.lineCap = "butt";
+    ctx.lineJoin = "miter";
+    ctx.miterLimit = 10;
+    ctx.globalCompositeOperation = "source-over";
+    ctx.font = "10px sans-serif";
+
+    if (ctx.setLineDash !== undefined) {
+      ctx.setLineDash([]);
+      ctx.lineDashOffset = 0;
+    }
+  }
+
+  function composeSMaskBackdrop(bytes, r0, g0, b0) {
+    var length = bytes.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = bytes[i];
+
+      if (alpha === 0) {
+        bytes[i - 3] = r0;
+        bytes[i - 2] = g0;
+        bytes[i - 1] = b0;
+      } else if (alpha < 255) {
+        var alpha_ = 255 - alpha;
+        bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+        bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+        bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+      }
+    }
+  }
+
+  function composeSMaskAlpha(maskData, layerData, transferMap) {
+    var length = maskData.length;
+    var scale = 1 / 255;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+      layerData[i] = layerData[i] * alpha * scale | 0;
+    }
+  }
+
+  function composeSMaskLuminosity(maskData, layerData, transferMap) {
+    var length = maskData.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+      layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+    }
+  }
+
+  function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
+    var hasBackdrop = !!backdrop;
+    var r0 = hasBackdrop ? backdrop[0] : 0;
+    var g0 = hasBackdrop ? backdrop[1] : 0;
+    var b0 = hasBackdrop ? backdrop[2] : 0;
+    var composeFn;
+
+    if (subtype === "Luminosity") {
+      composeFn = composeSMaskLuminosity;
+    } else {
+      composeFn = composeSMaskAlpha;
+    }
+
+    var PIXELS_TO_PROCESS = 1048576;
+    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+    for (var row = 0; row < height; row += chunkSize) {
+      var chunkHeight = Math.min(chunkSize, height - row);
+      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+      if (hasBackdrop) {
+        composeSMaskBackdrop(maskData.data, r0, g0, b0);
+      }
+
+      composeFn(maskData.data, layerData.data, transferMap);
+      maskCtx.putImageData(layerData, 0, row);
+    }
+  }
+
+  function composeSMask(ctx, smask, layerCtx, webGLContext) {
+    var mask = smask.canvas;
+    var maskCtx = smask.context;
+    ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
+    var backdrop = smask.backdrop || null;
+
+    if (!smask.transferMap && webGLContext.isEnabled) {
+      const composed = webGLContext.composeSMask({
+        layer: layerCtx.canvas,
+        mask,
+        properties: {
+          subtype: smask.subtype,
+          backdrop
+        }
+      });
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+      return;
+    }
+
+    genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
+    ctx.drawImage(mask, 0, 0);
+  }
+
+  var LINE_CAP_STYLES = ["butt", "round", "square"];
+  var LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+  var NORMAL_CLIP = {};
+  var EO_CLIP = {};
+  CanvasGraphics.prototype = {
+    beginDrawing({
+      transform,
+      viewport,
+      transparency = false,
+      background = null
+    }) {
+      var width = this.ctx.canvas.width;
+      var height = this.ctx.canvas.height;
+      this.ctx.save();
+      this.ctx.fillStyle = background || "rgb(255, 255, 255)";
+      this.ctx.fillRect(0, 0, width, height);
+      this.ctx.restore();
+
+      if (transparency) {
+        var transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true);
+        this.compositeCtx = this.ctx;
+        this.transparentCanvas = transparentCanvas.canvas;
+        this.ctx = transparentCanvas.context;
+        this.ctx.save();
+        this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
+      }
+
+      this.ctx.save();
+      resetCtxToDefault(this.ctx);
+
+      if (transform) {
+        this.ctx.transform.apply(this.ctx, transform);
+      }
+
+      this.ctx.transform.apply(this.ctx, viewport.transform);
+      this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+      if (this.imageLayer) {
+        this.imageLayer.beginLayout();
+      }
+    },
+
+    executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
+      var argsArray = operatorList.argsArray;
+      var fnArray = operatorList.fnArray;
+      var i = executionStartIdx || 0;
+      var argsArrayLen = argsArray.length;
+
+      if (argsArrayLen === i) {
+        return i;
+      }
+
+      var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
+      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+      var steps = 0;
+      var commonObjs = this.commonObjs;
+      var objs = this.objs;
+      var fnId;
+
+      while (true) {
+        if (stepper !== undefined && i === stepper.nextBreakPoint) {
+          stepper.breakIt(i, continueCallback);
+          return i;
+        }
+
+        fnId = fnArray[i];
+
+        if (fnId !== _util.OPS.dependency) {
+          this[fnId].apply(this, argsArray[i]);
+        } else {
+          for (const depObjId of argsArray[i]) {
+            const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
+
+            if (!objsPool.has(depObjId)) {
+              objsPool.get(depObjId, continueCallback);
+              return i;
+            }
+          }
+        }
+
+        i++;
+
+        if (i === argsArrayLen) {
+          return i;
+        }
+
+        if (chunkOperations && ++steps > EXECUTION_STEPS) {
+          if (Date.now() > endTime) {
+            continueCallback();
+            return i;
+          }
+
+          steps = 0;
+        }
+      }
+    },
+    endDrawing: function CanvasGraphics_endDrawing() {
+      if (this.current.activeSMask !== null) {
+        this.endSMaskGroup();
+      }
+
+      this.ctx.restore();
+
+      if (this.transparentCanvas) {
+        this.ctx = this.compositeCtx;
+        this.ctx.save();
+        this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+        this.ctx.drawImage(this.transparentCanvas, 0, 0);
+        this.ctx.restore();
+        this.transparentCanvas = null;
+      }
+
+      this.cachedCanvases.clear();
+      this.webGLContext.clear();
+
+      if (this.imageLayer) {
+        this.imageLayer.endLayout();
+      }
+    },
+    setLineWidth: function CanvasGraphics_setLineWidth(width) {
+      this.current.lineWidth = width;
+      this.ctx.lineWidth = width;
+    },
+    setLineCap: function CanvasGraphics_setLineCap(style) {
+      this.ctx.lineCap = LINE_CAP_STYLES[style];
+    },
+    setLineJoin: function CanvasGraphics_setLineJoin(style) {
+      this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+    },
+    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+      this.ctx.miterLimit = limit;
+    },
+    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+      var ctx = this.ctx;
+
+      if (ctx.setLineDash !== undefined) {
+        ctx.setLineDash(dashArray);
+        ctx.lineDashOffset = dashPhase;
+      }
+    },
+
+    setRenderingIntent(intent) {},
+
+    setFlatness(flatness) {},
+
+    setGState: function CanvasGraphics_setGState(states) {
+      for (var i = 0, ii = states.length; i < ii; i++) {
+        var state = states[i];
+        var key = state[0];
+        var value = state[1];
+
+        switch (key) {
+          case "LW":
+            this.setLineWidth(value);
+            break;
+
+          case "LC":
+            this.setLineCap(value);
+            break;
+
+          case "LJ":
+            this.setLineJoin(value);
+            break;
+
+          case "ML":
+            this.setMiterLimit(value);
+            break;
+
+          case "D":
+            this.setDash(value[0], value[1]);
+            break;
+
+          case "RI":
+            this.setRenderingIntent(value);
+            break;
+
+          case "FL":
+            this.setFlatness(value);
+            break;
+
+          case "Font":
+            this.setFont(value[0], value[1]);
+            break;
+
+          case "CA":
+            this.current.strokeAlpha = state[1];
+            break;
+
+          case "ca":
+            this.current.fillAlpha = state[1];
+            this.ctx.globalAlpha = state[1];
+            break;
+
+          case "BM":
+            this.ctx.globalCompositeOperation = value;
+            break;
+
+          case "SMask":
+            if (this.current.activeSMask) {
+              if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
+                this.suspendSMaskGroup();
+              } else {
+                this.endSMaskGroup();
+              }
+            }
+
+            this.current.activeSMask = value ? this.tempSMask : null;
+
+            if (this.current.activeSMask) {
+              this.beginSMaskGroup();
+            }
+
+            this.tempSMask = null;
+            break;
+
+          case "TR":
+            this.current.transferMaps = value;
+        }
+      }
+    },
+    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+      var activeSMask = this.current.activeSMask;
+      var drawnWidth = activeSMask.canvas.width;
+      var drawnHeight = activeSMask.canvas.height;
+      var cacheId = "smaskGroupAt" + this.groupLevel;
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var currentCtx = this.ctx;
+      var currentTransform = currentCtx.mozCurrentTransform;
+      this.ctx.save();
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      this.ctx.save();
+      copyCtxState(groupCtx, this.ctx);
+      this.current.resumeSMaskCtx = groupCtx;
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+      groupCtx.save();
+      groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+      groupCtx.restore();
+    },
+    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.current.resumeSMaskCtx;
+      var currentCtx = this.ctx;
+      this.ctx = groupCtx;
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      copyCtxState(groupCtx, this.ctx);
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+    },
+    save: function CanvasGraphics_save() {
+      this.ctx.save();
+      var old = this.current;
+      this.stateStack.push(old);
+      this.current = old.clone();
+      this.current.resumeSMaskCtx = null;
+    },
+    restore: function CanvasGraphics_restore() {
+      if (this.current.resumeSMaskCtx) {
+        this.resumeSMaskGroup();
+      }
+
+      if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
+        this.endSMaskGroup();
+      }
+
+      if (this.stateStack.length !== 0) {
+        this.current = this.stateStack.pop();
+        this.ctx.restore();
+        this.pendingClip = null;
+        this._cachedGetSinglePixelWidth = null;
+      }
+    },
+    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+      this.ctx.transform(a, b, c, d, e, f);
+      this._cachedGetSinglePixelWidth = null;
+    },
+    constructPath: function CanvasGraphics_constructPath(ops, args) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var x = current.x,
+          y = current.y;
+
+      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
+        switch (ops[i] | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            var width = args[j++];
+            var height = args[j++];
+
+            if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              width = this.getSinglePixelWidth();
+            }
+
+            if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              height = this.getSinglePixelWidth();
+            }
+
+            var xw = x + width;
+            var yh = y + height;
+            ctx.moveTo(x, y);
+            ctx.lineTo(xw, y);
+            ctx.lineTo(xw, yh);
+            ctx.lineTo(x, yh);
+            ctx.lineTo(x, y);
+            ctx.closePath();
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.moveTo(x, y);
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.lineTo(x, y);
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            ctx.closePath();
+            break;
+        }
+      }
+
+      current.setCurrentPoint(x, y);
+    },
+    closePath: function CanvasGraphics_closePath() {
+      this.ctx.closePath();
+    },
+    stroke: function CanvasGraphics_stroke(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var strokeColor = this.current.strokeColor;
+      ctx.globalAlpha = this.current.strokeAlpha;
+
+      if (this.contentVisible) {
+        if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") {
+          ctx.save();
+          const transform = ctx.mozCurrentTransform;
+
+          const scale = _util.Util.singularValueDecompose2dScale(transform)[0];
+
+          ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
+          ctx.stroke();
+          ctx.restore();
+        } else {
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
+          ctx.stroke();
+        }
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+
+      ctx.globalAlpha = this.current.fillAlpha;
+    },
+    closeStroke: function CanvasGraphics_closeStroke() {
+      this.closePath();
+      this.stroke();
+    },
+    fill: function CanvasGraphics_fill(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var needRestore = false;
+
+      if (isPatternFill) {
+        ctx.save();
+
+        if (this.baseTransform) {
+          ctx.setTransform.apply(ctx, this.baseTransform);
+        }
+
+        ctx.fillStyle = fillColor.getPattern(ctx, this);
+        needRestore = true;
+      }
+
+      if (this.contentVisible) {
+        if (this.pendingEOFill) {
+          ctx.fill("evenodd");
+          this.pendingEOFill = false;
+        } else {
+          ctx.fill();
+        }
+      }
+
+      if (needRestore) {
+        ctx.restore();
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+    },
+    eoFill: function CanvasGraphics_eoFill() {
+      this.pendingEOFill = true;
+      this.fill();
+    },
+    fillStroke: function CanvasGraphics_fillStroke() {
+      this.fill(false);
+      this.stroke(false);
+      this.consumePath();
+    },
+    eoFillStroke: function CanvasGraphics_eoFillStroke() {
+      this.pendingEOFill = true;
+      this.fillStroke();
+    },
+    closeFillStroke: function CanvasGraphics_closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    },
+    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+      this.pendingEOFill = true;
+      this.closePath();
+      this.fillStroke();
+    },
+    endPath: function CanvasGraphics_endPath() {
+      this.consumePath();
+    },
+    clip: function CanvasGraphics_clip() {
+      this.pendingClip = NORMAL_CLIP;
+    },
+    eoClip: function CanvasGraphics_eoClip() {
+      this.pendingClip = EO_CLIP;
+    },
+    beginText: function CanvasGraphics_beginText() {
+      this.current.textMatrix = _util.IDENTITY_MATRIX;
+      this.current.textMatrixScale = 1;
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    endText: function CanvasGraphics_endText() {
+      var paths = this.pendingTextPaths;
+      var ctx = this.ctx;
+
+      if (paths === undefined) {
+        ctx.beginPath();
+        return;
+      }
+
+      ctx.save();
+      ctx.beginPath();
+
+      for (var i = 0; i < paths.length; i++) {
+        var path = paths[i];
+        ctx.setTransform.apply(ctx, path.transform);
+        ctx.translate(path.x, path.y);
+        path.addToPath(ctx, path.fontSize);
+      }
+
+      ctx.restore();
+      ctx.clip();
+      ctx.beginPath();
+      delete this.pendingTextPaths;
+    },
+    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+      this.current.charSpacing = spacing;
+    },
+    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+      this.current.wordSpacing = spacing;
+    },
+    setHScale: function CanvasGraphics_setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    },
+    setLeading: function CanvasGraphics_setLeading(leading) {
+      this.current.leading = -leading;
+    },
+    setFont: function CanvasGraphics_setFont(fontRefName, size) {
+      var fontObj = this.commonObjs.get(fontRefName);
+      var current = this.current;
+
+      if (!fontObj) {
+        throw new Error(`Can't find font for ${fontRefName}`);
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+
+      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+        (0, _util.warn)("Invalid font matrix for font " + fontRefName);
+      }
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      this.current.font = fontObj;
+      this.current.fontSize = size;
+
+      if (fontObj.isType3Font) {
+        return;
+      }
+
+      var name = fontObj.loadedName || "sans-serif";
+      let bold = "normal";
+
+      if (fontObj.black) {
+        bold = "900";
+      } else if (fontObj.bold) {
+        bold = "bold";
+      }
+
+      var italic = fontObj.italic ? "italic" : "normal";
+      var typeface = `"${name}", ${fontObj.fallbackName}`;
+      let browserFontSize = size;
+
+      if (size < MIN_FONT_SIZE) {
+        browserFontSize = MIN_FONT_SIZE;
+      } else if (size > MAX_FONT_SIZE) {
+        browserFontSize = MAX_FONT_SIZE;
+      }
+
+      this.current.fontSizeScale = size / browserFontSize;
+      this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
+    },
+    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+      this.current.textRenderingMode = mode;
+    },
+    setTextRise: function CanvasGraphics_setTextRise(rise) {
+      this.current.textRise = rise;
+    },
+    moveText: function CanvasGraphics_moveText(x, y) {
+      this.current.x = this.current.lineX += x;
+      this.current.y = this.current.lineY += y;
+    },
+    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    },
+    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+      this.current.textMatrix = [a, b, c, d, e, f];
+      this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    nextLine: function CanvasGraphics_nextLine() {
+      this.moveText(0, this.current.leading);
+    },
+
+    paintChar(character, x, y, patternTransform) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var textRenderingMode = current.textRenderingMode;
+      var fontSize = current.fontSize / current.fontSizeScale;
+      var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+      var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+      const patternFill = current.patternFill && !font.missingFile;
+      var addToPath;
+
+      if (font.disableFontFace || isAddToPathSet || patternFill) {
+        addToPath = font.getPathGenerator(this.commonObjs, character);
+      }
+
+      if (font.disableFontFace || patternFill) {
+        ctx.save();
+        ctx.translate(x, y);
+        ctx.beginPath();
+        addToPath(ctx, fontSize);
+
+        if (patternTransform) {
+          ctx.setTransform.apply(ctx, patternTransform);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fill();
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.stroke();
+        }
+
+        ctx.restore();
+      } else {
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fillText(character, x, y);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.strokeText(character, x, y);
+        }
+      }
+
+      if (isAddToPathSet) {
+        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+        paths.push({
+          transform: ctx.mozCurrentTransform,
+          x,
+          y,
+          fontSize,
+          addToPath
+        });
+      }
+    },
+
+    get isFontSubpixelAAEnabled() {
+      const {
+        context: ctx
+      } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
+      ctx.scale(1.5, 1);
+      ctx.fillText("I", 0, 10);
+      var data = ctx.getImageData(0, 0, 10, 10).data;
+      var enabled = false;
+
+      for (var i = 3; i < data.length; i += 4) {
+        if (data[i] > 0 && data[i] < 255) {
+          enabled = true;
+          break;
+        }
+      }
+
+      return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
+    },
+
+    showText: function CanvasGraphics_showText(glyphs) {
+      var current = this.current;
+      var font = current.font;
+
+      if (font.isType3Font) {
+        return this.showType3Text(glyphs);
+      }
+
+      var fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return undefined;
+      }
+
+      var ctx = this.ctx;
+      var fontSizeScale = current.fontSizeScale;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var fontDirection = current.fontDirection;
+      var textHScale = current.textHScale * fontDirection;
+      var glyphsLength = glyphs.length;
+      var vertical = font.vertical;
+      var spacingDir = vertical ? 1 : -1;
+      var defaultVMetrics = font.defaultVMetrics;
+      var widthAdvanceScale = fontSize * current.fontMatrix[0];
+      var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+      ctx.save();
+      let patternTransform;
+
+      if (current.patternFill) {
+        ctx.save();
+        const pattern = current.fillColor.getPattern(ctx, this);
+        patternTransform = ctx.mozCurrentTransform;
+        ctx.restore();
+        ctx.fillStyle = pattern;
+      }
+
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y + current.textRise);
+
+      if (fontDirection > 0) {
+        ctx.scale(textHScale, -1);
+      } else {
+        ctx.scale(textHScale, 1);
+      }
+
+      var lineWidth = current.lineWidth;
+      var scale = current.textMatrixScale;
+
+      if (scale === 0 || lineWidth === 0) {
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          this._cachedGetSinglePixelWidth = null;
+          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+        }
+      } else {
+        lineWidth /= scale;
+      }
+
+      if (fontSizeScale !== 1.0) {
+        ctx.scale(fontSizeScale, fontSizeScale);
+        lineWidth /= fontSizeScale;
+      }
+
+      ctx.lineWidth = lineWidth;
+      var x = 0,
+          i;
+
+      for (i = 0; i < glyphsLength; ++i) {
+        var glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        var restoreNeeded = false;
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var character = glyph.fontChar;
+        var accent = glyph.accent;
+        var scaledX, scaledY, scaledAccentX, scaledAccentY;
+        var width = glyph.width;
+
+        if (vertical) {
+          var vmetric, vx, vy;
+          vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (font.remeasure && width > 0) {
+          var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
+
+          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+            var characterScaleX = width / measuredWidth;
+            restoreNeeded = true;
+            ctx.save();
+            ctx.scale(characterScaleX, 1);
+            scaledX /= characterScaleX;
+          } else if (width !== measuredWidth) {
+            scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
+          }
+        }
+
+        if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
+          if (simpleFillText && !accent) {
+            ctx.fillText(character, scaledX, scaledY);
+          } else {
+            this.paintChar(character, scaledX, scaledY, patternTransform);
+
+            if (accent) {
+              scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
+              scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
+              this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+            }
+          }
+        }
+
+        var charWidth;
+
+        if (vertical) {
+          charWidth = width * widthAdvanceScale - spacing * fontDirection;
+        } else {
+          charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        }
+
+        x += charWidth;
+
+        if (restoreNeeded) {
+          ctx.restore();
+        }
+      }
+
+      if (vertical) {
+        current.y -= x;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      ctx.restore();
+    },
+    showType3Text: function CanvasGraphics_showType3Text(glyphs) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var fontSize = current.fontSize;
+      var fontDirection = current.fontDirection;
+      var spacingDir = font.vertical ? 1 : -1;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var textHScale = current.textHScale * fontDirection;
+      var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      var glyphsLength = glyphs.length;
+      var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+      var i, glyph, width, spacingLength;
+
+      if (isTextInvisible || fontSize === 0) {
+        return;
+      }
+
+      this._cachedGetSinglePixelWidth = null;
+      ctx.save();
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y);
+      ctx.scale(textHScale, fontDirection);
+
+      for (i = 0; i < glyphsLength; ++i) {
+        glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          spacingLength = spacingDir * glyph * fontSize / 1000;
+          this.ctx.translate(spacingLength, 0);
+          current.x += spacingLength * textHScale;
+          continue;
+        }
+
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var operatorList = font.charProcOperatorList[glyph.operatorListId];
+
+        if (!operatorList) {
+          (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
+          continue;
+        }
+
+        if (this.contentVisible) {
+          this.processingType3 = glyph;
+          this.save();
+          ctx.scale(fontSize, fontSize);
+          ctx.transform.apply(ctx, fontMatrix);
+          this.executeOperatorList(operatorList);
+          this.restore();
+        }
+
+        var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
+
+        width = transformed[0] * fontSize + spacing;
+        ctx.translate(width, 0);
+        current.x += width * textHScale;
+      }
+
+      ctx.restore();
+      this.processingType3 = null;
+    },
+    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
+    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+      this.ctx.rect(llx, lly, urx - llx, ury - lly);
+      this.clip();
+      this.endPath();
+    },
+    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+      var pattern;
+
+      if (IR[0] === "TilingPattern") {
+        var color = IR[1];
+        var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
+        var canvasGraphicsFactory = {
+          createCanvasGraphics: ctx => {
+            return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext);
+          }
+        };
+        pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+      } else {
+        pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
+      }
+
+      return pattern;
+    },
+    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
+      this.current.strokeColor = this.getColorN_Pattern(arguments);
+    },
+    setFillColorN: function CanvasGraphics_setFillColorN() {
+      this.current.fillColor = this.getColorN_Pattern(arguments);
+      this.current.patternFill = true;
+    },
+    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.strokeStyle = color;
+      this.current.strokeColor = color;
+    },
+    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.fillStyle = color;
+      this.current.fillColor = color;
+      this.current.patternFill = false;
+    },
+    shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      this.save();
+      var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
+      ctx.fillStyle = pattern.getPattern(ctx, this, true);
+      var inv = ctx.mozCurrentTransformInverse;
+
+      if (inv) {
+        var canvas = ctx.canvas;
+        var width = canvas.width;
+        var height = canvas.height;
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+      } else {
+        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+      }
+
+      this.restore();
+    },
+    beginInlineImage: function CanvasGraphics_beginInlineImage() {
+      (0, _util.unreachable)("Should not call beginInlineImage");
+    },
+    beginImageData: function CanvasGraphics_beginImageData() {
+      (0, _util.unreachable)("Should not call beginImageData");
+    },
+    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      this.baseTransformStack.push(this.baseTransform);
+
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform.apply(this, matrix);
+      }
+
+      this.baseTransform = this.ctx.mozCurrentTransform;
+
+      if (bbox) {
+        var width = bbox[2] - bbox[0];
+        var height = bbox[3] - bbox[1];
+        this.ctx.rect(bbox[0], bbox[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+    },
+    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.restore();
+      this.baseTransform = this.baseTransformStack.pop();
+    },
+    beginGroup: function CanvasGraphics_beginGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      var currentCtx = this.ctx;
+
+      if (!group.isolated) {
+        (0, _util.info)("TODO: Support non-isolated groups.");
+      }
+
+      if (group.knockout) {
+        (0, _util.warn)("Knockout groups not supported.");
+      }
+
+      var currentTransform = currentCtx.mozCurrentTransform;
+
+      if (group.matrix) {
+        currentCtx.transform.apply(currentCtx, group.matrix);
+      }
+
+      if (!group.bbox) {
+        throw new Error("Bounding box is required.");
+      }
+
+      var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
+
+      var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+      bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+      var offsetX = Math.floor(bounds[0]);
+      var offsetY = Math.floor(bounds[1]);
+      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+      var scaleX = 1,
+          scaleY = 1;
+
+      if (drawnWidth > MAX_GROUP_SIZE) {
+        scaleX = drawnWidth / MAX_GROUP_SIZE;
+        drawnWidth = MAX_GROUP_SIZE;
+      }
+
+      if (drawnHeight > MAX_GROUP_SIZE) {
+        scaleY = drawnHeight / MAX_GROUP_SIZE;
+        drawnHeight = MAX_GROUP_SIZE;
+      }
+
+      var cacheId = "groupAt" + this.groupLevel;
+
+      if (group.smask) {
+        cacheId += "_smask_" + this.smaskCounter++ % 2;
+      }
+
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / scaleX, 1 / scaleY);
+      groupCtx.translate(-offsetX, -offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+
+      if (group.smask) {
+        this.smaskStack.push({
+          canvas: scratchCanvas.canvas,
+          context: groupCtx,
+          offsetX,
+          offsetY,
+          scaleX,
+          scaleY,
+          subtype: group.smask.subtype,
+          backdrop: group.smask.backdrop,
+          transferMap: group.smask.transferMap || null,
+          startTransformInverse: null
+        });
+      } else {
+        currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+        currentCtx.translate(offsetX, offsetY);
+        currentCtx.scale(scaleX, scaleY);
+      }
+
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+      this.current.activeSMask = null;
+    },
+    endGroup: function CanvasGraphics_endGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.groupLevel--;
+      var groupCtx = this.ctx;
+      this.ctx = this.groupStack.pop();
+
+      if (this.ctx.imageSmoothingEnabled !== undefined) {
+        this.ctx.imageSmoothingEnabled = false;
+      } else {
+        this.ctx.mozImageSmoothingEnabled = false;
+      }
+
+      if (group.smask) {
+        this.tempSMask = this.smaskStack.pop();
+      } else {
+        this.ctx.drawImage(groupCtx.canvas, 0, 0);
+      }
+
+      this.restore();
+    },
+    beginAnnotations: function CanvasGraphics_beginAnnotations() {
+      this.save();
+
+      if (this.baseTransform) {
+        this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+      }
+    },
+    endAnnotations: function CanvasGraphics_endAnnotations() {
+      this.restore();
+    },
+    beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
+      this.save();
+      resetCtxToDefault(this.ctx);
+      this.current = new CanvasExtraState();
+
+      if (Array.isArray(rect) && rect.length === 4) {
+        var width = rect[2] - rect[0];
+        var height = rect[3] - rect[1];
+        this.ctx.rect(rect[0], rect[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+
+      this.transform.apply(this, transform);
+      this.transform.apply(this, matrix);
+    },
+    endAnnotation: function CanvasGraphics_endAnnotation() {
+      this.restore();
+    },
+    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var width = img.width,
+          height = img.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var glyph = this.processingType3;
+
+      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+          glyph.compiled = compileType3Glyph({
+            data: img.data,
+            width,
+            height
+          });
+        } else {
+          glyph.compiled = null;
+        }
+      }
+
+      if (glyph && glyph.compiled) {
+        glyph.compiled(ctx);
+        return;
+      }
+
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, img);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      this.paintInlineImageXObject(maskCanvas.canvas);
+    },
+
+    paintImageMaskXObjectRepeat(imgData, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, imgData);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      var ctx = this.ctx;
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        ctx.save();
+        ctx.transform(scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+
+    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+
+      for (var i = 0, ii = images.length; i < ii; i++) {
+        var image = images[i];
+        var width = image.width,
+            height = image.height;
+        var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+        var maskCtx = maskCanvas.context;
+        maskCtx.save();
+        putBinaryImageMask(maskCtx, image);
+        maskCtx.globalCompositeOperation = "source-in";
+        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+        maskCtx.fillRect(0, 0, width, height);
+        maskCtx.restore();
+        ctx.save();
+        ctx.transform.apply(ctx, image.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    },
+    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var map = [];
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        map.push({
+          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
+          x: 0,
+          y: 0,
+          w: width,
+          h: height
+        });
+      }
+
+      this.paintInlineImageXObjectGroup(imgData, map);
+    },
+    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var ctx = this.ctx;
+      this.save();
+      ctx.scale(1 / width, -1 / height);
+      var currentTransform = ctx.mozCurrentTransformInverse;
+      var a = currentTransform[0],
+          b = currentTransform[1];
+      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+      var c = currentTransform[2],
+          d = currentTransform[3];
+      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+      var imgToPaint, tmpCanvas;
+
+      if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
+        imgToPaint = imgData;
+      } else {
+        tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
+        var tmpCtx = tmpCanvas.context;
+        putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+        imgToPaint = tmpCanvas.canvas;
+      }
+
+      var paintWidth = width,
+          paintHeight = height;
+      var tmpCanvasId = "prescale1";
+
+      while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+        var newWidth = paintWidth,
+            newHeight = paintHeight;
+
+        if (widthScale > 2 && paintWidth > 1) {
+          newWidth = Math.ceil(paintWidth / 2);
+          widthScale /= paintWidth / newWidth;
+        }
+
+        if (heightScale > 2 && paintHeight > 1) {
+          newHeight = Math.ceil(paintHeight / 2);
+          heightScale /= paintHeight / newHeight;
+        }
+
+        tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
+        tmpCtx = tmpCanvas.context;
+        tmpCtx.clearRect(0, 0, newWidth, newHeight);
+        tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+        imgToPaint = tmpCanvas.canvas;
+        paintWidth = newWidth;
+        paintHeight = newHeight;
+        tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
+      }
+
+      ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+
+      if (this.imageLayer) {
+        var position = this.getCanvasPosition(0, -height);
+        this.imageLayer.appendImage({
+          imgData,
+          left: position[0],
+          top: position[1],
+          width: width / currentTransform[0],
+          height: height / currentTransform[3]
+        });
+      }
+
+      this.restore();
+    },
+    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var w = imgData.width;
+      var h = imgData.height;
+      var tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
+      var tmpCtx = tmpCanvas.context;
+      putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+
+      for (var i = 0, ii = map.length; i < ii; i++) {
+        var entry = map[i];
+        ctx.save();
+        ctx.transform.apply(ctx, entry.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
+        if (this.imageLayer) {
+          var position = this.getCanvasPosition(entry.x, entry.y);
+          this.imageLayer.appendImage({
+            imgData,
+            left: position[0],
+            top: position[1],
+            width: w,
+            height: h
+          });
+        }
+
+        ctx.restore();
+      }
+    },
+    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.ctx.fillRect(0, 0, 1, 1);
+    },
+    markPoint: function CanvasGraphics_markPoint(tag) {},
+    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
+    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
+      this.markedContentStack.push({
+        visible: true
+      });
+    },
+    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
+      if (tag === "OC") {
+        this.markedContentStack.push({
+          visible: this.optionalContentConfig.isVisible(properties)
+        });
+      } else {
+        this.markedContentStack.push({
+          visible: true
+        });
+      }
+
+      this.contentVisible = this.isContentVisible();
+    },
+    endMarkedContent: function CanvasGraphics_endMarkedContent() {
+      this.markedContentStack.pop();
+      this.contentVisible = this.isContentVisible();
+    },
+    beginCompat: function CanvasGraphics_beginCompat() {},
+    endCompat: function CanvasGraphics_endCompat() {},
+    consumePath: function CanvasGraphics_consumePath() {
+      var ctx = this.ctx;
+
+      if (this.pendingClip) {
+        if (this.pendingClip === EO_CLIP) {
+          ctx.clip("evenodd");
+        } else {
+          ctx.clip();
+        }
+
+        this.pendingClip = null;
+      }
+
+      ctx.beginPath();
+    },
+
+    getSinglePixelWidth(scale) {
+      if (this._cachedGetSinglePixelWidth === null) {
+        const inverse = this.ctx.mozCurrentTransformInverse;
+        this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
+      }
+
+      return this._cachedGetSinglePixelWidth;
+    },
+
+    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+      var transform = this.ctx.mozCurrentTransform;
+      return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+    },
+    isContentVisible: function CanvasGraphics_isContentVisible() {
+      for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
+        if (!this.markedContentStack[i].visible) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  };
+
+  for (var op in _util.OPS) {
+    CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+  }
+
+  return CanvasGraphics;
+}();
+
+exports.CanvasGraphics = CanvasGraphics;
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var ShadingIRs = {};
+
+function applyBoundingBox(ctx, bbox) {
+  if (!bbox || typeof Path2D === "undefined") {
+    return;
+  }
+
+  const width = bbox[2] - bbox[0];
+  const height = bbox[3] - bbox[1];
+  const region = new Path2D();
+  region.rect(bbox[0], bbox[1], width, height);
+  ctx.clip(region);
+}
+
+ShadingIRs.RadialAxial = {
+  fromIR: function RadialAxial_fromIR(raw) {
+    var type = raw[1];
+    var bbox = raw[2];
+    var colorStops = raw[3];
+    var p0 = raw[4];
+    var p1 = raw[5];
+    var r0 = raw[6];
+    var r1 = raw[7];
+    return {
+      type: "Pattern",
+      getPattern: function RadialAxial_getPattern(ctx) {
+        applyBoundingBox(ctx, bbox);
+        var grad;
+
+        if (type === "axial") {
+          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+        } else if (type === "radial") {
+          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+        }
+
+        for (var i = 0, ii = colorStops.length; i < ii; ++i) {
+          var c = colorStops[i];
+          grad.addColorStop(c[0], c[1]);
+        }
+
+        return grad;
+      }
+    };
+  }
+};
+
+var createMeshCanvas = function createMeshCanvasClosure() {
+  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+    var coords = context.coords,
+        colors = context.colors;
+    var bytes = data.data,
+        rowSize = data.width * 4;
+    var tmp;
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    if (coords[p2 + 1] > coords[p3 + 1]) {
+      tmp = p2;
+      p2 = p3;
+      p3 = tmp;
+      tmp = c2;
+      c2 = c3;
+      c3 = tmp;
+    }
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    var x1 = (coords[p1] + context.offsetX) * context.scaleX;
+    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+    var x2 = (coords[p2] + context.offsetX) * context.scaleX;
+    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+    var x3 = (coords[p3] + context.offsetX) * context.scaleX;
+    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+
+    if (y1 >= y3) {
+      return;
+    }
+
+    var c1r = colors[c1],
+        c1g = colors[c1 + 1],
+        c1b = colors[c1 + 2];
+    var c2r = colors[c2],
+        c2g = colors[c2 + 1],
+        c2b = colors[c2 + 2];
+    var c3r = colors[c3],
+        c3g = colors[c3 + 1],
+        c3b = colors[c3 + 2];
+    var minY = Math.round(y1),
+        maxY = Math.round(y3);
+    var xa, car, cag, cab;
+    var xb, cbr, cbg, cbb;
+
+    for (var y = minY; y <= maxY; y++) {
+      if (y < y2) {
+        let k;
+
+        if (y < y1) {
+          k = 0;
+        } else if (y1 === y2) {
+          k = 1;
+        } else {
+          k = (y1 - y) / (y1 - y2);
+        }
+
+        xa = x1 - (x1 - x2) * k;
+        car = c1r - (c1r - c2r) * k;
+        cag = c1g - (c1g - c2g) * k;
+        cab = c1b - (c1b - c2b) * k;
+      } else {
+        let k;
+
+        if (y > y3) {
+          k = 1;
+        } else if (y2 === y3) {
+          k = 0;
+        } else {
+          k = (y2 - y) / (y2 - y3);
+        }
+
+        xa = x2 - (x2 - x3) * k;
+        car = c2r - (c2r - c3r) * k;
+        cag = c2g - (c2g - c3g) * k;
+        cab = c2b - (c2b - c3b) * k;
+      }
+
+      let k;
+
+      if (y < y1) {
+        k = 0;
+      } else if (y > y3) {
+        k = 1;
+      } else {
+        k = (y1 - y) / (y1 - y3);
+      }
+
+      xb = x1 - (x1 - x3) * k;
+      cbr = c1r - (c1r - c3r) * k;
+      cbg = c1g - (c1g - c3g) * k;
+      cbb = c1b - (c1b - c3b) * k;
+      var x1_ = Math.round(Math.min(xa, xb));
+      var x2_ = Math.round(Math.max(xa, xb));
+      var j = rowSize * y + x1_ * 4;
+
+      for (var x = x1_; x <= x2_; x++) {
+        k = (xa - x) / (xa - xb);
+
+        if (k < 0) {
+          k = 0;
+        } else if (k > 1) {
+          k = 1;
+        }
+
+        bytes[j++] = car - (car - cbr) * k | 0;
+        bytes[j++] = cag - (cag - cbg) * k | 0;
+        bytes[j++] = cab - (cab - cbb) * k | 0;
+        bytes[j++] = 255;
+      }
+    }
+  }
+
+  function drawFigure(data, figure, context) {
+    var ps = figure.coords;
+    var cs = figure.colors;
+    var i, ii;
+
+    switch (figure.type) {
+      case "lattice":
+        var verticesPerRow = figure.verticesPerRow;
+        var rows = Math.floor(ps.length / verticesPerRow) - 1;
+        var cols = verticesPerRow - 1;
+
+        for (i = 0; i < rows; i++) {
+          var q = i * verticesPerRow;
+
+          for (var j = 0; j < cols; j++, q++) {
+            drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
+            drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
+          }
+        }
+
+        break;
+
+      case "triangles":
+        for (i = 0, ii = ps.length; i < ii; i += 3) {
+          drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
+        }
+
+        break;
+
+      default:
+        throw new Error("illegal figure");
+    }
+  }
+
+  function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
+    var EXPECTED_SCALE = 1.1;
+    var MAX_PATTERN_SIZE = 3000;
+    var BORDER_SIZE = 2;
+    var offsetX = Math.floor(bounds[0]);
+    var offsetY = Math.floor(bounds[1]);
+    var boundsWidth = Math.ceil(bounds[2]) - offsetX;
+    var boundsHeight = Math.ceil(bounds[3]) - offsetY;
+    var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var scaleX = boundsWidth / width;
+    var scaleY = boundsHeight / height;
+    var context = {
+      coords,
+      colors,
+      offsetX: -offsetX,
+      offsetY: -offsetY,
+      scaleX: 1 / scaleX,
+      scaleY: 1 / scaleY
+    };
+    var paddedWidth = width + BORDER_SIZE * 2;
+    var paddedHeight = height + BORDER_SIZE * 2;
+    var canvas, tmpCanvas, i, ii;
+
+    if (webGLContext.isEnabled) {
+      canvas = webGLContext.drawFigures({
+        width,
+        height,
+        backgroundColor,
+        figures,
+        context
+      });
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    } else {
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      var tmpCtx = tmpCanvas.context;
+      var data = tmpCtx.createImageData(width, height);
+
+      if (backgroundColor) {
+        var bytes = data.data;
+
+        for (i = 0, ii = bytes.length; i < ii; i += 4) {
+          bytes[i] = backgroundColor[0];
+          bytes[i + 1] = backgroundColor[1];
+          bytes[i + 2] = backgroundColor[2];
+          bytes[i + 3] = 255;
+        }
+      }
+
+      for (i = 0; i < figures.length; i++) {
+        drawFigure(data, figures[i], context);
+      }
+
+      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    }
+
+    return {
+      canvas,
+      offsetX: offsetX - BORDER_SIZE * scaleX,
+      offsetY: offsetY - BORDER_SIZE * scaleY,
+      scaleX,
+      scaleY
+    };
+  }
+
+  return createMeshCanvas;
+}();
+
+ShadingIRs.Mesh = {
+  fromIR: function Mesh_fromIR(raw) {
+    var coords = raw[2];
+    var colors = raw[3];
+    var figures = raw[4];
+    var bounds = raw[5];
+    var matrix = raw[6];
+    var bbox = raw[7];
+    var background = raw[8];
+    return {
+      type: "Pattern",
+      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+        applyBoundingBox(ctx, bbox);
+        var scale;
+
+        if (shadingFill) {
+          scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+        } else {
+          scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+          if (matrix) {
+            var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
+
+            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
+          }
+        }
+
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
+
+        if (!shadingFill) {
+          ctx.setTransform.apply(ctx, owner.baseTransform);
+
+          if (matrix) {
+            ctx.transform.apply(ctx, matrix);
+          }
+        }
+
+        ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+        return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
+      }
+    };
+  }
+};
+ShadingIRs.Dummy = {
+  fromIR: function Dummy_fromIR() {
+    return {
+      type: "Pattern",
+      getPattern: function Dummy_fromIR_getPattern() {
+        return "hotpink";
+      }
+    };
+  }
+};
+
+function getShadingPatternFromIR(raw) {
+  var shadingIR = ShadingIRs[raw[0]];
+
+  if (!shadingIR) {
+    throw new Error(`Unknown IR type: ${raw[0]}`);
+  }
+
+  return shadingIR.fromIR(raw);
+}
+
+var TilingPattern = function TilingPatternClosure() {
+  var PaintType = {
+    COLORED: 1,
+    UNCOLORED: 2
+  };
+  var MAX_PATTERN_SIZE = 3000;
+
+  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+    this.operatorList = IR[2];
+    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+    this.bbox = IR[4];
+    this.xstep = IR[5];
+    this.ystep = IR[6];
+    this.paintType = IR[7];
+    this.tilingType = IR[8];
+    this.color = color;
+    this.canvasGraphicsFactory = canvasGraphicsFactory;
+    this.baseTransform = baseTransform;
+    this.type = "Pattern";
+    this.ctx = ctx;
+  }
+
+  TilingPattern.prototype = {
+    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+      var operatorList = this.operatorList;
+      var bbox = this.bbox;
+      var xstep = this.xstep;
+      var ystep = this.ystep;
+      var paintType = this.paintType;
+      var tilingType = this.tilingType;
+      var color = this.color;
+      var canvasGraphicsFactory = this.canvasGraphicsFactory;
+      (0, _util.info)("TilingType: " + tilingType);
+      var x0 = bbox[0],
+          y0 = bbox[1],
+          x1 = bbox[2],
+          y1 = bbox[3];
+
+      var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+      var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+      var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+      var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+      var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+      var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
+      var tmpCtx = tmpCanvas.context;
+      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+      graphics.groupLevel = owner.groupLevel;
+      this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+      graphics.transform(1, 0, 0, 1, -x0, -y0);
+      this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+      graphics.executeOperatorList(operatorList);
+      this.ctx.transform(1, 0, 0, 1, x0, y0);
+      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
+      return tmpCanvas.canvas;
+    },
+    getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
+      step = Math.abs(step);
+      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
+      var size = Math.ceil(step * scale);
+
+      if (size >= maxSize) {
+        size = maxSize;
+      } else {
+        scale = size / step;
+      }
+
+      return {
+        scale,
+        size
+      };
+    },
+    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+      if (Array.isArray(bbox) && bbox.length === 4) {
+        var bboxWidth = x1 - x0;
+        var bboxHeight = y1 - y0;
+        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+        graphics.clip();
+        graphics.endPath();
+      }
+    },
+    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
+      const context = graphics.ctx,
+            current = graphics.current;
+
+      switch (paintType) {
+        case PaintType.COLORED:
+          var ctx = this.ctx;
+          context.fillStyle = ctx.fillStyle;
+          context.strokeStyle = ctx.strokeStyle;
+          current.fillColor = ctx.fillStyle;
+          current.strokeColor = ctx.strokeStyle;
+          break;
+
+        case PaintType.UNCOLORED:
+          var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
+
+          context.fillStyle = cssColor;
+          context.strokeStyle = cssColor;
+          current.fillColor = cssColor;
+          current.strokeColor = cssColor;
+          break;
+
+        default:
+          throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
+      }
+    },
+    getPattern: function TilingPattern_getPattern(ctx, owner) {
+      ctx = this.ctx;
+      ctx.setTransform.apply(ctx, this.baseTransform);
+      ctx.transform.apply(ctx, this.matrix);
+      var temporaryPatternCanvas = this.createPatternCanvas(owner);
+      return ctx.createPattern(temporaryPatternCanvas, "repeat");
+    }
+  };
+  return TilingPattern;
+}();
+
+exports.TilingPattern = TilingPattern;
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalWorkerOptions = void 0;
+const GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const CallbackKind = {
+  UNKNOWN: 0,
+  DATA: 1,
+  ERROR: 2
+};
+const StreamKind = {
+  UNKNOWN: 0,
+  CANCEL: 1,
+  CANCEL_COMPLETE: 2,
+  CLOSE: 3,
+  ENQUEUE: 4,
+  ERROR: 5,
+  PULL: 6,
+  PULL_COMPLETE: 7,
+  START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+  if (typeof reason !== "object" || reason === null) {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case "AbortException":
+      return new _util.AbortException(reason.message);
+
+    case "MissingPDFException":
+      return new _util.MissingPDFException(reason.message);
+
+    case "UnexpectedResponseException":
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    case "UnknownErrorException":
+      return new _util.UnknownErrorException(reason.message, reason.details);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.toString());
+  }
+}
+
+class MessageHandler {
+  constructor(sourceName, targetName, comObj) {
+    this.sourceName = sourceName;
+    this.targetName = targetName;
+    this.comObj = comObj;
+    this.callbackId = 1;
+    this.streamId = 1;
+    this.postMessageTransfers = true;
+    this.streamSinks = Object.create(null);
+    this.streamControllers = Object.create(null);
+    this.callbackCapabilities = Object.create(null);
+    this.actionHandler = Object.create(null);
+
+    this._onComObjOnMessage = event => {
+      const data = event.data;
+
+      if (data.targetName !== this.sourceName) {
+        return;
+      }
+
+      if (data.stream) {
+        this._processStreamMessage(data);
+
+        return;
+      }
+
+      if (data.callback) {
+        const callbackId = data.callbackId;
+        const capability = this.callbackCapabilities[callbackId];
+
+        if (!capability) {
+          throw new Error(`Cannot resolve callback ${callbackId}`);
+        }
+
+        delete this.callbackCapabilities[callbackId];
+
+        if (data.callback === CallbackKind.DATA) {
+          capability.resolve(data.data);
+        } else if (data.callback === CallbackKind.ERROR) {
+          capability.reject(wrapReason(data.reason));
+        } else {
+          throw new Error("Unexpected callback case");
+        }
+
+        return;
+      }
+
+      const action = this.actionHandler[data.action];
+
+      if (!action) {
+        throw new Error(`Unknown action from worker: ${data.action}`);
+      }
+
+      if (data.callbackId) {
+        const cbSourceName = this.sourceName;
+        const cbTargetName = data.sourceName;
+        new Promise(function (resolve) {
+          resolve(action(data.data));
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.DATA,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.ERROR,
+            callbackId: data.callbackId,
+            reason: wrapReason(reason)
+          });
+        });
+        return;
+      }
+
+      if (data.streamId) {
+        this._createStreamSink(data);
+
+        return;
+      }
+
+      action(data.data);
+    };
+
+    comObj.addEventListener("message", this._onComObjOnMessage);
+  }
+
+  on(actionName, handler) {
+    const ah = this.actionHandler;
+
+    if (ah[actionName]) {
+      throw new Error(`There is already an actionName called "${actionName}"`);
+    }
+
+    ah[actionName] = handler;
+  }
+
+  send(actionName, data, transfers) {
+    this._postMessage({
+      sourceName: this.sourceName,
+      targetName: this.targetName,
+      action: actionName,
+      data
+    }, transfers);
+  }
+
+  sendWithPromise(actionName, data, transfers) {
+    const callbackId = this.callbackId++;
+    const capability = (0, _util.createPromiseCapability)();
+    this.callbackCapabilities[callbackId] = capability;
+
+    try {
+      this._postMessage({
+        sourceName: this.sourceName,
+        targetName: this.targetName,
+        action: actionName,
+        callbackId,
+        data
+      }, transfers);
+    } catch (ex) {
+      capability.reject(ex);
+    }
+
+    return capability.promise;
+  }
+
+  sendWithStream(actionName, data, queueingStrategy, transfers) {
+    const streamId = this.streamId++;
+    const sourceName = this.sourceName;
+    const targetName = this.targetName;
+    const comObj = this.comObj;
+    return new ReadableStream({
+      start: controller => {
+        const startCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId] = {
+          controller,
+          startCall: startCapability,
+          pullCall: null,
+          cancelCall: null,
+          isClosed: false
+        };
+
+        this._postMessage({
+          sourceName,
+          targetName,
+          action: actionName,
+          streamId,
+          data,
+          desiredSize: controller.desiredSize
+        }, transfers);
+
+        return startCapability.promise;
+      },
+      pull: controller => {
+        const pullCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].pullCall = pullCapability;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.PULL,
+          streamId,
+          desiredSize: controller.desiredSize
+        });
+        return pullCapability.promise;
+      },
+      cancel: reason => {
+        (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+        const cancelCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].cancelCall = cancelCapability;
+        this.streamControllers[streamId].isClosed = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CANCEL,
+          streamId,
+          reason: wrapReason(reason)
+        });
+        return cancelCapability.promise;
+      }
+    }, queueingStrategy);
+  }
+
+  _createStreamSink(data) {
+    const self = this;
+    const action = this.actionHandler[data.action];
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+    const streamSink = {
+      enqueue(chunk, size = 1, transfers) {
+        if (this.isCancelled) {
+          return;
+        }
+
+        const lastDesiredSize = this.desiredSize;
+        this.desiredSize -= size;
+
+        if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+          this.sinkCapability = (0, _util.createPromiseCapability)();
+          this.ready = this.sinkCapability.promise;
+        }
+
+        self._postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ENQUEUE,
+          streamId,
+          chunk
+        }, transfers);
+      },
+
+      close() {
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CLOSE,
+          streamId
+        });
+        delete self.streamSinks[streamId];
+      },
+
+      error(reason) {
+        (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ERROR,
+          streamId,
+          reason: wrapReason(reason)
+        });
+      },
+
+      sinkCapability: (0, _util.createPromiseCapability)(),
+      onPull: null,
+      onCancel: null,
+      isCancelled: false,
+      desiredSize: data.desiredSize,
+      ready: null
+    };
+    streamSink.sinkCapability.resolve();
+    streamSink.ready = streamSink.sinkCapability.promise;
+    this.streamSinks[streamId] = streamSink;
+    new Promise(function (resolve) {
+      resolve(action(data.data, streamSink));
+    }).then(function () {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        success: true
+      });
+    }, function (reason) {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        reason: wrapReason(reason)
+      });
+    });
+  }
+
+  _processStreamMessage(data) {
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+
+    switch (data.stream) {
+      case StreamKind.START_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].startCall.resolve();
+        } else {
+          this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].pullCall.resolve();
+        } else {
+          this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL:
+        if (!this.streamSinks[streamId]) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+          break;
+        }
+
+        if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+          this.streamSinks[streamId].sinkCapability.resolve();
+        }
+
+        this.streamSinks[streamId].desiredSize = data.desiredSize;
+        const {
+          onPull
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onPull && onPull());
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        break;
+
+      case StreamKind.ENQUEUE:
+        (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].controller.enqueue(data.chunk);
+        break;
+
+      case StreamKind.CLOSE:
+        (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].isClosed = true;
+        this.streamControllers[streamId].controller.close();
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.ERROR:
+        (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+        this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].cancelCall.resolve();
+        } else {
+          this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+        }
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL:
+        if (!this.streamSinks[streamId]) {
+          break;
+        }
+
+        const {
+          onCancel
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onCancel && onCancel(wrapReason(data.reason)));
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+        this.streamSinks[streamId].isCancelled = true;
+        delete this.streamSinks[streamId];
+        break;
+
+      default:
+        throw new Error("Unexpected stream case");
+    }
+  }
+
+  async _deleteStreamController(streamId) {
+    await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+      return capability && capability.promise;
+    }));
+    delete this.streamControllers[streamId];
+  }
+
+  _postMessage(message, transfers) {
+    if (transfers && this.postMessageTransfers) {
+      this.comObj.postMessage(message, transfers);
+    } else {
+      this.comObj.postMessage(message);
+    }
+  }
+
+  destroy() {
+    this.comObj.removeEventListener("message", this._onComObjOnMessage);
+  }
+
+}
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Metadata = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _xml_parser = __w_pdfjs_require__(15);
+
+class Metadata {
+  constructor(data) {
+    (0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
+    data = this._repair(data);
+    const parser = new _xml_parser.SimpleXMLParser();
+    const xmlDocument = parser.parseFromString(data);
+    this._metadataMap = new Map();
+
+    if (xmlDocument) {
+      this._parse(xmlDocument);
+    }
+  }
+
+  _repair(data) {
+    return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+      const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
+        return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+      }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
+        switch (name) {
+          case "amp":
+            return "&";
+
+          case "apos":
+            return "'";
+
+          case "gt":
+            return ">";
+
+          case "lt":
+            return "<";
+
+          case "quot":
+            return '"';
+        }
+
+        throw new Error(`_repair: ${name} isn't defined.`);
+      });
+      let chars = "";
+
+      for (let i = 0, ii = bytes.length; i < ii; i += 2) {
+        const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+
+        if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
+          chars += String.fromCharCode(code);
+        } else {
+          chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";";
+        }
+      }
+
+      return ">" + chars;
+    });
+  }
+
+  _parse(xmlDocument) {
+    let rdf = xmlDocument.documentElement;
+
+    if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+      rdf = rdf.firstChild;
+
+      while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+        rdf = rdf.nextSibling;
+      }
+    }
+
+    const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+
+    if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
+      return;
+    }
+
+    const children = rdf.childNodes;
+
+    for (let i = 0, ii = children.length; i < ii; i++) {
+      const desc = children[i];
+
+      if (desc.nodeName.toLowerCase() !== "rdf:description") {
+        continue;
+      }
+
+      for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {
+        if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
+          const entry = desc.childNodes[j];
+          const name = entry.nodeName.toLowerCase();
+
+          this._metadataMap.set(name, entry.textContent.trim());
+        }
+      }
+    }
+  }
+
+  get(name) {
+    return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
+  }
+
+  getAll() {
+    return Object.fromEntries(this._metadataMap);
+  }
+
+  has(name) {
+    return this._metadataMap.has(name);
+  }
+
+}
+
+exports.Metadata = Metadata;
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleXMLParser = void 0;
+const XMLParserErrorCode = {
+  NoError: 0,
+  EndOfDocument: -1,
+  UnterminatedCdat: -2,
+  UnterminatedXmlDeclaration: -3,
+  UnterminatedDoctypeDeclaration: -4,
+  UnterminatedComment: -5,
+  MalformedElement: -6,
+  OutOfMemory: -7,
+  UnterminatedAttributeValue: -8,
+  UnterminatedElement: -9,
+  ElementNeverBegun: -10
+};
+
+function isWhitespace(s, index) {
+  const ch = s[index];
+  return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
+}
+
+function isWhitespaceString(s) {
+  for (let i = 0, ii = s.length; i < ii; i++) {
+    if (!isWhitespace(s, i)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+class XMLParserBase {
+  _resolveEntities(s) {
+    return s.replace(/&([^;]+);/g, (all, entity) => {
+      if (entity.substring(0, 2) === "#x") {
+        return String.fromCharCode(parseInt(entity.substring(2), 16));
+      } else if (entity.substring(0, 1) === "#") {
+        return String.fromCharCode(parseInt(entity.substring(1), 10));
+      }
+
+      switch (entity) {
+        case "lt":
+          return "<";
+
+        case "gt":
+          return ">";
+
+        case "amp":
+          return "&";
+
+        case "quot":
+          return '"';
+      }
+
+      return this.onResolveEntity(entity);
+    });
+  }
+
+  _parseContent(s, start) {
+    const attributes = [];
+    let pos = start;
+
+    function skipWs() {
+      while (pos < s.length && isWhitespace(s, pos)) {
+        ++pos;
+      }
+    }
+
+    while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+      ++pos;
+    }
+
+    const name = s.substring(start, pos);
+    skipWs();
+
+    while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
+      skipWs();
+      let attrName = "",
+          attrValue = "";
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
+        attrName += s[pos];
+        ++pos;
+      }
+
+      skipWs();
+
+      if (s[pos] !== "=") {
+        return null;
+      }
+
+      ++pos;
+      skipWs();
+      const attrEndChar = s[pos];
+
+      if (attrEndChar !== '"' && attrEndChar !== "'") {
+        return null;
+      }
+
+      const attrEndIndex = s.indexOf(attrEndChar, ++pos);
+
+      if (attrEndIndex < 0) {
+        return null;
+      }
+
+      attrValue = s.substring(pos, attrEndIndex);
+      attributes.push({
+        name: attrName,
+        value: this._resolveEntities(attrValue)
+      });
+      pos = attrEndIndex + 1;
+      skipWs();
+    }
+
+    return {
+      name,
+      attributes,
+      parsed: pos - start
+    };
+  }
+
+  _parseProcessingInstruction(s, start) {
+    let pos = start;
+
+    function skipWs() {
+      while (pos < s.length && isWhitespace(s, pos)) {
+        ++pos;
+      }
+    }
+
+    while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+      ++pos;
+    }
+
+    const name = s.substring(start, pos);
+    skipWs();
+    const attrStart = pos;
+
+    while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
+      ++pos;
+    }
+
+    const value = s.substring(attrStart, pos);
+    return {
+      name,
+      value,
+      parsed: pos - start
+    };
+  }
+
+  parseXml(s) {
+    let i = 0;
+
+    while (i < s.length) {
+      const ch = s[i];
+      let j = i;
+
+      if (ch === "<") {
+        ++j;
+        const ch2 = s[j];
+        let q;
+
+        switch (ch2) {
+          case "/":
+            ++j;
+            q = s.indexOf(">", j);
+
+            if (q < 0) {
+              this.onError(XMLParserErrorCode.UnterminatedElement);
+              return;
+            }
+
+            this.onEndElement(s.substring(j, q));
+            j = q + 1;
+            break;
+
+          case "?":
+            ++j;
+
+            const pi = this._parseProcessingInstruction(s, j);
+
+            if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") {
+              this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
+              return;
+            }
+
+            this.onPi(pi.name, pi.value);
+            j += pi.parsed + 2;
+            break;
+
+          case "!":
+            if (s.substring(j + 1, j + 3) === "--") {
+              q = s.indexOf("-->", j + 3);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedComment);
+                return;
+              }
+
+              this.onComment(s.substring(j + 3, q));
+              j = q + 3;
+            } else if (s.substring(j + 1, j + 8) === "[CDATA[") {
+              q = s.indexOf("]]>", j + 8);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedCdat);
+                return;
+              }
+
+              this.onCdata(s.substring(j + 8, q));
+              j = q + 3;
+            } else if (s.substring(j + 1, j + 8) === "DOCTYPE") {
+              const q2 = s.indexOf("[", j + 8);
+              let complexDoctype = false;
+              q = s.indexOf(">", j + 8);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                return;
+              }
+
+              if (q2 > 0 && q > q2) {
+                q = s.indexOf("]>", j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                  return;
+                }
+
+                complexDoctype = true;
+              }
+
+              const doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
+              this.onDoctype(doctypeContent);
+              j = q + (complexDoctype ? 2 : 1);
+            } else {
+              this.onError(XMLParserErrorCode.MalformedElement);
+              return;
+            }
+
+            break;
+
+          default:
+            const content = this._parseContent(s, j);
+
+            if (content === null) {
+              this.onError(XMLParserErrorCode.MalformedElement);
+              return;
+            }
+
+            let isClosed = false;
+
+            if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") {
+              isClosed = true;
+            } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") {
+              this.onError(XMLParserErrorCode.UnterminatedElement);
+              return;
+            }
+
+            this.onBeginElement(content.name, content.attributes, isClosed);
+            j += content.parsed + (isClosed ? 2 : 1);
+            break;
+        }
+      } else {
+        while (j < s.length && s[j] !== "<") {
+          j++;
+        }
+
+        const text = s.substring(i, j);
+        this.onText(this._resolveEntities(text));
+      }
+
+      i = j;
+    }
+  }
+
+  onResolveEntity(name) {
+    return `&${name};`;
+  }
+
+  onPi(name, value) {}
+
+  onComment(text) {}
+
+  onCdata(text) {}
+
+  onDoctype(doctypeContent) {}
+
+  onText(text) {}
+
+  onBeginElement(name, attributes, isEmpty) {}
+
+  onEndElement(name) {}
+
+  onError(code) {}
+
+}
+
+class SimpleDOMNode {
+  constructor(nodeName, nodeValue) {
+    this.nodeName = nodeName;
+    this.nodeValue = nodeValue;
+    Object.defineProperty(this, "parentNode", {
+      value: null,
+      writable: true
+    });
+  }
+
+  get firstChild() {
+    return this.childNodes && this.childNodes[0];
+  }
+
+  get nextSibling() {
+    const childNodes = this.parentNode.childNodes;
+
+    if (!childNodes) {
+      return undefined;
+    }
+
+    const index = childNodes.indexOf(this);
+
+    if (index === -1) {
+      return undefined;
+    }
+
+    return childNodes[index + 1];
+  }
+
+  get textContent() {
+    if (!this.childNodes) {
+      return this.nodeValue || "";
+    }
+
+    return this.childNodes.map(function (child) {
+      return child.textContent;
+    }).join("");
+  }
+
+  hasChildNodes() {
+    return this.childNodes && this.childNodes.length > 0;
+  }
+
+}
+
+class SimpleXMLParser extends XMLParserBase {
+  constructor() {
+    super();
+    this._currentFragment = null;
+    this._stack = null;
+    this._errorCode = XMLParserErrorCode.NoError;
+  }
+
+  parseFromString(data) {
+    this._currentFragment = [];
+    this._stack = [];
+    this._errorCode = XMLParserErrorCode.NoError;
+    this.parseXml(data);
+
+    if (this._errorCode !== XMLParserErrorCode.NoError) {
+      return undefined;
+    }
+
+    const [documentElement] = this._currentFragment;
+
+    if (!documentElement) {
+      return undefined;
+    }
+
+    return {
+      documentElement
+    };
+  }
+
+  onResolveEntity(name) {
+    switch (name) {
+      case "apos":
+        return "'";
+    }
+
+    return super.onResolveEntity(name);
+  }
+
+  onText(text) {
+    if (isWhitespaceString(text)) {
+      return;
+    }
+
+    const node = new SimpleDOMNode("#text", text);
+
+    this._currentFragment.push(node);
+  }
+
+  onCdata(text) {
+    const node = new SimpleDOMNode("#text", text);
+
+    this._currentFragment.push(node);
+  }
+
+  onBeginElement(name, attributes, isEmpty) {
+    const node = new SimpleDOMNode(name);
+    node.childNodes = [];
+
+    this._currentFragment.push(node);
+
+    if (isEmpty) {
+      return;
+    }
+
+    this._stack.push(this._currentFragment);
+
+    this._currentFragment = node.childNodes;
+  }
+
+  onEndElement(name) {
+    this._currentFragment = this._stack.pop() || [];
+    const lastElement = this._currentFragment[this._currentFragment.length - 1];
+
+    if (!lastElement) {
+      return;
+    }
+
+    for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
+      lastElement.childNodes[i].parentNode = lastElement;
+    }
+  }
+
+  onError(code) {
+    this._errorCode = code;
+  }
+
+}
+
+exports.SimpleXMLParser = SimpleXMLParser;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OptionalContentConfig = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class OptionalContentGroup {
+  constructor(name, intent) {
+    this.visible = true;
+    this.name = name;
+    this.intent = intent;
+  }
+
+}
+
+class OptionalContentConfig {
+  constructor(data) {
+    this.name = null;
+    this.creator = null;
+    this._order = null;
+    this._groups = new Map();
+
+    if (data === null) {
+      return;
+    }
+
+    this.name = data.name;
+    this.creator = data.creator;
+    this._order = data.order;
+
+    for (const group of data.groups) {
+      this._groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
+    }
+
+    if (data.baseState === "OFF") {
+      for (const group of this._groups) {
+        group.visible = false;
+      }
+    }
+
+    for (const on of data.on) {
+      this._groups.get(on).visible = true;
+    }
+
+    for (const off of data.off) {
+      this._groups.get(off).visible = false;
+    }
+  }
+
+  isVisible(group) {
+    if (group.type === "OCG") {
+      if (!this._groups.has(group.id)) {
+        (0, _util.warn)(`Optional content group not found: ${group.id}`);
+        return true;
+      }
+
+      return this._groups.get(group.id).visible;
+    } else if (group.type === "OCMD") {
+      if (group.expression) {
+        (0, _util.warn)("Visibility expression not supported yet.");
+      }
+
+      if (!group.policy || group.policy === "AnyOn") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (this._groups.get(id).visible) {
+            return true;
+          }
+        }
+
+        return false;
+      } else if (group.policy === "AllOn") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (!this._groups.get(id).visible) {
+            return false;
+          }
+        }
+
+        return true;
+      } else if (group.policy === "AnyOff") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (!this._groups.get(id).visible) {
+            return true;
+          }
+        }
+
+        return false;
+      } else if (group.policy === "AllOff") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (this._groups.get(id).visible) {
+            return false;
+          }
+        }
+
+        return true;
+      }
+
+      (0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
+      return true;
+    }
+
+    (0, _util.warn)(`Unknown group type ${group.type}.`);
+    return true;
+  }
+
+  setVisibility(id, visible = true) {
+    if (!this._groups.has(id)) {
+      (0, _util.warn)(`Optional content group not found: ${id}`);
+      return;
+    }
+
+    this._groups.get(id).visible = !!visible;
+  }
+
+  getOrder() {
+    if (!this._groups.size) {
+      return null;
+    }
+
+    if (this._order) {
+      return this._order.slice();
+    }
+
+    return Array.from(this._groups.keys());
+  }
+
+  getGroups() {
+    if (!this._groups.size) {
+      return null;
+    }
+
+    return Object.fromEntries(this._groups);
+  }
+
+  getGroup(id) {
+    return this._groups.get(id) || null;
+  }
+
+}
+
+exports.OptionalContentConfig = OptionalContentConfig;
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDataTransportStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class PDFDataTransportStream {
+  constructor(params, pdfDataRangeTransport) {
+    (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
+    this._queuedChunks = [];
+    this._progressiveDone = params.progressiveDone || false;
+    const initialData = params.initialData;
+
+    if (initialData && initialData.length > 0) {
+      const buffer = new Uint8Array(initialData).buffer;
+
+      this._queuedChunks.push(buffer);
+    }
+
+    this._pdfDataRangeTransport = pdfDataRangeTransport;
+    this._isStreamingSupported = !params.disableStream;
+    this._isRangeSupported = !params.disableRange;
+    this._contentLength = params.length;
+    this._fullRequestReader = null;
+    this._rangeReaders = [];
+
+    this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
+      this._onReceiveData({
+        begin,
+        chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
+      this._onProgress({
+        loaded,
+        total
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
+      this._onReceiveData({
+        chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
+      this._onProgressiveDone();
+    });
+
+    this._pdfDataRangeTransport.transportReady();
+  }
+
+  _onReceiveData(args) {
+    const buffer = new Uint8Array(args.chunk).buffer;
+
+    if (args.begin === undefined) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader._enqueue(buffer);
+      } else {
+        this._queuedChunks.push(buffer);
+      }
+    } else {
+      const found = this._rangeReaders.some(function (rangeReader) {
+        if (rangeReader._begin !== args.begin) {
+          return false;
+        }
+
+        rangeReader._enqueue(buffer);
+
+        return true;
+      });
+
+      (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
+    }
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  _onProgress(evt) {
+    if (evt.total === undefined) {
+      const firstReader = this._rangeReaders[0];
+
+      if (firstReader && firstReader.onProgress) {
+        firstReader.onProgress({
+          loaded: evt.loaded
+        });
+      }
+    } else {
+      const fullReader = this._fullRequestReader;
+
+      if (fullReader && fullReader.onProgress) {
+        fullReader.onProgress({
+          loaded: evt.loaded,
+          total: evt.total
+        });
+      }
+    }
+  }
+
+  _onProgressiveDone() {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.progressiveDone();
+    }
+
+    this._progressiveDone = true;
+  }
+
+  _removeRangeReader(reader) {
+    const i = this._rangeReaders.indexOf(reader);
+
+    if (i >= 0) {
+      this._rangeReaders.splice(i, 1);
+    }
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
+    const queuedChunks = this._queuedChunks;
+    this._queuedChunks = null;
+    return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
+  }
+
+  getRangeReader(begin, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
+
+    this._pdfDataRangeTransport.requestDataRange(begin, end);
+
+    this._rangeReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeReaders.slice(0);
+
+    readers.forEach(function (rangeReader) {
+      rangeReader.cancel(reason);
+    });
+
+    this._pdfDataRangeTransport.abort();
+  }
+
+}
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+class PDFDataTransportStreamReader {
+  constructor(stream, queuedChunks, progressiveDone = false) {
+    this._stream = stream;
+    this._done = progressiveDone || false;
+    this._filename = null;
+    this._queuedChunks = queuedChunks || [];
+    this._loaded = 0;
+
+    for (const chunk of this._queuedChunks) {
+      this._loaded += chunk.byteLength;
+    }
+
+    this._requests = [];
+    this._headersReady = Promise.resolve();
+    stream._fullRequestReader = this;
+    this.onProgress = null;
+  }
+
+  _enqueue(chunk) {
+    if (this._done) {
+      return;
+    }
+
+    if (this._requests.length > 0) {
+      const requestCapability = this._requests.shift();
+
+      requestCapability.resolve({
+        value: chunk,
+        done: false
+      });
+    } else {
+      this._queuedChunks.push(chunk);
+    }
+
+    this._loaded += chunk.byteLength;
+  }
+
+  get headersReady() {
+    return this._headersReady;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get isRangeSupported() {
+    return this._stream._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._stream._isStreamingSupported;
+  }
+
+  get contentLength() {
+    return this._stream._contentLength;
+  }
+
+  async read() {
+    if (this._queuedChunks.length > 0) {
+      const chunk = this._queuedChunks.shift();
+
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+  }
+
+  progressiveDone() {
+    if (this._done) {
+      return;
+    }
+
+    this._done = true;
+  }
+
+}
+
+class PDFDataTransportStreamRangeReader {
+  constructor(stream, begin, end) {
+    this._stream = stream;
+    this._begin = begin;
+    this._end = end;
+    this._queuedChunk = null;
+    this._requests = [];
+    this._done = false;
+    this.onProgress = null;
+  }
+
+  _enqueue(chunk) {
+    if (this._done) {
+      return;
+    }
+
+    if (this._requests.length === 0) {
+      this._queuedChunk = chunk;
+    } else {
+      const requestsCapability = this._requests.shift();
+
+      requestsCapability.resolve({
+        value: chunk,
+        done: false
+      });
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+
+    this._done = true;
+
+    this._stream._removeRangeReader(this);
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    if (this._queuedChunk) {
+      const chunk = this._queuedChunk;
+      this._queuedChunk = null;
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    this._stream._removeRangeReader(this);
+  }
+
+}
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WebGLContext = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class WebGLContext {
+  constructor({
+    enable = false
+  }) {
+    this._enabled = enable === true;
+  }
+
+  get isEnabled() {
+    let enabled = this._enabled;
+
+    if (enabled) {
+      enabled = WebGLUtils.tryInitGL();
+    }
+
+    return (0, _util.shadow)(this, "isEnabled", enabled);
+  }
+
+  composeSMask({
+    layer,
+    mask,
+    properties
+  }) {
+    return WebGLUtils.composeSMask(layer, mask, properties);
+  }
+
+  drawFigures({
+    width,
+    height,
+    backgroundColor,
+    figures,
+    context
+  }) {
+    return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
+  }
+
+  clear() {
+    WebGLUtils.cleanup();
+  }
+
+}
+
+exports.WebGLContext = WebGLContext;
+
+var WebGLUtils = function WebGLUtilsClosure() {
+  function loadShader(gl, code, shaderType) {
+    var shader = gl.createShader(shaderType);
+    gl.shaderSource(shader, code);
+    gl.compileShader(shader);
+    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+
+    if (!compiled) {
+      var errorMsg = gl.getShaderInfoLog(shader);
+      throw new Error("Error during shader compilation: " + errorMsg);
+    }
+
+    return shader;
+  }
+
+  function createVertexShader(gl, code) {
+    return loadShader(gl, code, gl.VERTEX_SHADER);
+  }
+
+  function createFragmentShader(gl, code) {
+    return loadShader(gl, code, gl.FRAGMENT_SHADER);
+  }
+
+  function createProgram(gl, shaders) {
+    var program = gl.createProgram();
+
+    for (var i = 0, ii = shaders.length; i < ii; ++i) {
+      gl.attachShader(program, shaders[i]);
+    }
+
+    gl.linkProgram(program);
+    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+
+    if (!linked) {
+      var errorMsg = gl.getProgramInfoLog(program);
+      throw new Error("Error during program linking: " + errorMsg);
+    }
+
+    return program;
+  }
+
+  function createTexture(gl, image, textureId) {
+    gl.activeTexture(textureId);
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+    return texture;
+  }
+
+  var currentGL, currentCanvas;
+
+  function generateGL() {
+    if (currentGL) {
+      return;
+    }
+
+    currentCanvas = document.createElement("canvas");
+    currentGL = currentCanvas.getContext("webgl", {
+      premultipliedalpha: false
+    });
+  }
+
+  var smaskVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec2 a_texCoord;                                    \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_texCoord = a_texCoord;                                    \
+  }                                                             ";
+  var smaskFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  uniform vec4 u_backdrop;                                      \
+  uniform int u_subtype;                                        \
+  uniform sampler2D u_image;                                    \
+  uniform sampler2D u_mask;                                     \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec4 imageColor = texture2D(u_image, v_texCoord);           \
+    vec4 maskColor = texture2D(u_mask, v_texCoord);             \
+    if (u_backdrop.a > 0.0) {                                   \
+      maskColor.rgb = maskColor.rgb * maskColor.a +             \
+                      u_backdrop.rgb * (1.0 - maskColor.a);     \
+    }                                                           \
+    float lum;                                                  \
+    if (u_subtype == 0) {                                       \
+      lum = maskColor.a;                                        \
+    } else {                                                    \
+      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \
+            maskColor.b * 0.11;                                 \
+    }                                                           \
+    imageColor.a *= lum;                                        \
+    imageColor.rgb *= imageColor.a;                             \
+    gl_FragColor = imageColor;                                  \
+  }                                                             ";
+  var smaskCache = null;
+
+  function initSmaskGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.backdropLocation = gl.getUniformLocation(program, "u_backdrop");
+    cache.subtypeLocation = gl.getUniformLocation(program, "u_subtype");
+    var texCoordLocation = gl.getAttribLocation(program, "a_texCoord");
+    var texLayerLocation = gl.getUniformLocation(program, "u_image");
+    var texMaskLocation = gl.getUniformLocation(program, "u_mask");
+    var texCoordBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(texCoordLocation);
+    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.uniform1i(texLayerLocation, 0);
+    gl.uniform1i(texMaskLocation, 1);
+    smaskCache = cache;
+  }
+
+  function composeSMask(layer, mask, properties) {
+    var width = layer.width,
+        height = layer.height;
+
+    if (!smaskCache) {
+      initSmaskGL();
+    }
+
+    var cache = smaskCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+
+    if (properties.backdrop) {
+      gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
+    } else {
+      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+    }
+
+    gl.uniform1i(cache.subtypeLocation, properties.subtype === "Luminosity" ? 1 : 0);
+    var texture = createTexture(gl, layer, gl.TEXTURE0);
+    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+    var buffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.clearColor(0, 0, 0, 0);
+    gl.enable(gl.BLEND);
+    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    gl.flush();
+    gl.deleteTexture(texture);
+    gl.deleteTexture(maskTexture);
+    gl.deleteBuffer(buffer);
+    return canvas;
+  }
+
+  var figuresVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec3 a_color;                                       \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+  uniform vec2 u_scale;                                         \
+  uniform vec2 u_offset;                                        \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    vec2 position = (a_position + u_offset) * u_scale;          \
+    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_color = vec4(a_color / 255.0, 1.0);                       \
+  }                                                             ";
+  var figuresFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    gl_FragColor = v_color;                                     \
+  }                                                             ";
+  var figuresCache = null;
+
+  function initFiguresGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.scaleLocation = gl.getUniformLocation(program, "u_scale");
+    cache.offsetLocation = gl.getUniformLocation(program, "u_offset");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.colorLocation = gl.getAttribLocation(program, "a_color");
+    figuresCache = cache;
+  }
+
+  function drawFigures(width, height, backgroundColor, figures, context) {
+    if (!figuresCache) {
+      initFiguresGL();
+    }
+
+    var cache = figuresCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+    var count = 0;
+    var i, ii, rows;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      switch (figures[i].type) {
+        case "lattice":
+          rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
+          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+          break;
+
+        case "triangles":
+          count += figures[i].coords.length;
+          break;
+      }
+    }
+
+    var coords = new Float32Array(count * 2);
+    var colors = new Uint8Array(count * 3);
+    var coordsMap = context.coords,
+        colorsMap = context.colors;
+    var pIndex = 0,
+        cIndex = 0;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      switch (figure.type) {
+        case "lattice":
+          var cols = figure.verticesPerRow;
+          rows = ps.length / cols | 0;
+
+          for (var row = 1; row < rows; row++) {
+            var offset = row * cols + 1;
+
+            for (var col = 1; col < cols; col++, offset++) {
+              coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+              coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+              coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+              colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+              colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+              colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+              coords[pIndex + 6] = coords[pIndex + 2];
+              coords[pIndex + 7] = coords[pIndex + 3];
+              coords[pIndex + 8] = coords[pIndex + 4];
+              coords[pIndex + 9] = coords[pIndex + 5];
+              coords[pIndex + 10] = coordsMap[ps[offset]];
+              coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+              colors[cIndex + 9] = colors[cIndex + 3];
+              colors[cIndex + 10] = colors[cIndex + 4];
+              colors[cIndex + 11] = colors[cIndex + 5];
+              colors[cIndex + 12] = colors[cIndex + 6];
+              colors[cIndex + 13] = colors[cIndex + 7];
+              colors[cIndex + 14] = colors[cIndex + 8];
+              colors[cIndex + 15] = colorsMap[cs[offset]];
+              colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+              colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+              pIndex += 12;
+              cIndex += 18;
+            }
+          }
+
+          break;
+
+        case "triangles":
+          for (var j = 0, jj = ps.length; j < jj; j++) {
+            coords[pIndex] = coordsMap[ps[j]];
+            coords[pIndex + 1] = coordsMap[ps[j] + 1];
+            colors[cIndex] = colorsMap[cs[j]];
+            colors[cIndex + 1] = colorsMap[cs[j] + 1];
+            colors[cIndex + 2] = colorsMap[cs[j] + 2];
+            pIndex += 2;
+            cIndex += 3;
+          }
+
+          break;
+      }
+    }
+
+    if (backgroundColor) {
+      gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
+    } else {
+      gl.clearColor(0, 0, 0, 0);
+    }
+
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    var coordsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    var colorsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.colorLocation);
+    gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
+    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+    gl.drawArrays(gl.TRIANGLES, 0, count);
+    gl.flush();
+    gl.deleteBuffer(coordsBuffer);
+    gl.deleteBuffer(colorsBuffer);
+    return canvas;
+  }
+
+  return {
+    tryInitGL() {
+      try {
+        generateGL();
+        return !!currentGL;
+      } catch (ex) {}
+
+      return false;
+    },
+
+    composeSMask,
+    drawFigures,
+
+    cleanup() {
+      if (smaskCache && smaskCache.canvas) {
+        smaskCache.canvas.width = 0;
+        smaskCache.canvas.height = 0;
+      }
+
+      if (figuresCache && figuresCache.canvas) {
+        figuresCache.canvas.width = 0;
+        figuresCache.canvas.height = 0;
+      }
+
+      smaskCache = null;
+      figuresCache = null;
+    }
+
+  };
+}();
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationLayer = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _util = __w_pdfjs_require__(2);
+
+var _annotation_storage = __w_pdfjs_require__(8);
+
+class AnnotationElementFactory {
+  static create(parameters) {
+    const subtype = parameters.data.annotationType;
+
+    switch (subtype) {
+      case _util.AnnotationType.LINK:
+        return new LinkAnnotationElement(parameters);
+
+      case _util.AnnotationType.TEXT:
+        return new TextAnnotationElement(parameters);
+
+      case _util.AnnotationType.WIDGET:
+        const fieldType = parameters.data.fieldType;
+
+        switch (fieldType) {
+          case "Tx":
+            return new TextWidgetAnnotationElement(parameters);
+
+          case "Btn":
+            if (parameters.data.radioButton) {
+              return new RadioButtonWidgetAnnotationElement(parameters);
+            } else if (parameters.data.checkBox) {
+              return new CheckboxWidgetAnnotationElement(parameters);
+            }
+
+            return new PushButtonWidgetAnnotationElement(parameters);
+
+          case "Ch":
+            return new ChoiceWidgetAnnotationElement(parameters);
+        }
+
+        return new WidgetAnnotationElement(parameters);
+
+      case _util.AnnotationType.POPUP:
+        return new PopupAnnotationElement(parameters);
+
+      case _util.AnnotationType.FREETEXT:
+        return new FreeTextAnnotationElement(parameters);
+
+      case _util.AnnotationType.LINE:
+        return new LineAnnotationElement(parameters);
+
+      case _util.AnnotationType.SQUARE:
+        return new SquareAnnotationElement(parameters);
+
+      case _util.AnnotationType.CIRCLE:
+        return new CircleAnnotationElement(parameters);
+
+      case _util.AnnotationType.POLYLINE:
+        return new PolylineAnnotationElement(parameters);
+
+      case _util.AnnotationType.CARET:
+        return new CaretAnnotationElement(parameters);
+
+      case _util.AnnotationType.INK:
+        return new InkAnnotationElement(parameters);
+
+      case _util.AnnotationType.POLYGON:
+        return new PolygonAnnotationElement(parameters);
+
+      case _util.AnnotationType.HIGHLIGHT:
+        return new HighlightAnnotationElement(parameters);
+
+      case _util.AnnotationType.UNDERLINE:
+        return new UnderlineAnnotationElement(parameters);
+
+      case _util.AnnotationType.SQUIGGLY:
+        return new SquigglyAnnotationElement(parameters);
+
+      case _util.AnnotationType.STRIKEOUT:
+        return new StrikeOutAnnotationElement(parameters);
+
+      case _util.AnnotationType.STAMP:
+        return new StampAnnotationElement(parameters);
+
+      case _util.AnnotationType.FILEATTACHMENT:
+        return new FileAttachmentAnnotationElement(parameters);
+
+      default:
+        return new AnnotationElement(parameters);
+    }
+  }
+
+}
+
+class AnnotationElement {
+  constructor(parameters, isRenderable = false, ignoreBorder = false) {
+    this.isRenderable = isRenderable;
+    this.data = parameters.data;
+    this.layer = parameters.layer;
+    this.page = parameters.page;
+    this.viewport = parameters.viewport;
+    this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
+    this.imageResourcesPath = parameters.imageResourcesPath;
+    this.renderInteractiveForms = parameters.renderInteractiveForms;
+    this.svgFactory = parameters.svgFactory;
+    this.annotationStorage = parameters.annotationStorage;
+
+    if (isRenderable) {
+      this.container = this._createContainer(ignoreBorder);
+    }
+  }
+
+  _createContainer(ignoreBorder = false) {
+    const data = this.data,
+          page = this.page,
+          viewport = this.viewport;
+    const container = document.createElement("section");
+    let width = data.rect[2] - data.rect[0];
+    let height = data.rect[3] - data.rect[1];
+    container.setAttribute("data-annotation-id", data.id);
+
+    const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
+
+    container.style.transform = `matrix(${viewport.transform.join(",")})`;
+    container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`;
+
+    if (!ignoreBorder && data.borderStyle.width > 0) {
+      container.style.borderWidth = `${data.borderStyle.width}px`;
+
+      if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
+        width = width - 2 * data.borderStyle.width;
+        height = height - 2 * data.borderStyle.width;
+      }
+
+      const horizontalRadius = data.borderStyle.horizontalCornerRadius;
+      const verticalRadius = data.borderStyle.verticalCornerRadius;
+
+      if (horizontalRadius > 0 || verticalRadius > 0) {
+        const radius = `${horizontalRadius}px / ${verticalRadius}px`;
+        container.style.borderRadius = radius;
+      }
+
+      switch (data.borderStyle.style) {
+        case _util.AnnotationBorderStyleType.SOLID:
+          container.style.borderStyle = "solid";
+          break;
+
+        case _util.AnnotationBorderStyleType.DASHED:
+          container.style.borderStyle = "dashed";
+          break;
+
+        case _util.AnnotationBorderStyleType.BEVELED:
+          (0, _util.warn)("Unimplemented border style: beveled");
+          break;
+
+        case _util.AnnotationBorderStyleType.INSET:
+          (0, _util.warn)("Unimplemented border style: inset");
+          break;
+
+        case _util.AnnotationBorderStyleType.UNDERLINE:
+          container.style.borderBottomStyle = "solid";
+          break;
+
+        default:
+          break;
+      }
+
+      if (data.color) {
+        container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
+      } else {
+        container.style.borderWidth = 0;
+      }
+    }
+
+    container.style.left = `${rect[0]}px`;
+    container.style.top = `${rect[1]}px`;
+    container.style.width = `${width}px`;
+    container.style.height = `${height}px`;
+    return container;
+  }
+
+  _createPopup(container, trigger, data) {
+    if (!trigger) {
+      trigger = document.createElement("div");
+      trigger.style.height = container.style.height;
+      trigger.style.width = container.style.width;
+      container.appendChild(trigger);
+    }
+
+    const popupElement = new PopupElement({
+      container,
+      trigger,
+      color: data.color,
+      title: data.title,
+      modificationDate: data.modificationDate,
+      contents: data.contents,
+      hideWrapper: true
+    });
+    const popup = popupElement.render();
+    popup.style.left = container.style.width;
+    container.appendChild(popup);
+  }
+
+  render() {
+    (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
+  }
+
+}
+
+class LinkAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    this.container.className = "linkAnnotation";
+    const {
+      data,
+      linkService
+    } = this;
+    const link = document.createElement("a");
+
+    if (data.url) {
+      (0, _display_utils.addLinkAttributes)(link, {
+        url: data.url,
+        target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
+        rel: linkService.externalLinkRel,
+        enabled: linkService.externalLinkEnabled
+      });
+    } else if (data.action) {
+      this._bindNamedAction(link, data.action);
+    } else {
+      this._bindLink(link, data.dest);
+    }
+
+    this.container.appendChild(link);
+    return this.container;
+  }
+
+  _bindLink(link, destination) {
+    link.href = this.linkService.getDestinationHash(destination);
+
+    link.onclick = () => {
+      if (destination) {
+        this.linkService.navigateTo(destination);
+      }
+
+      return false;
+    };
+
+    if (destination) {
+      link.className = "internalLink";
+    }
+  }
+
+  _bindNamedAction(link, action) {
+    link.href = this.linkService.getAnchorUrl("");
+
+    link.onclick = () => {
+      this.linkService.executeNamedAction(action);
+      return false;
+    };
+
+    link.className = "internalLink";
+  }
+
+}
+
+class TextAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    this.container.className = "textAnnotation";
+    const image = document.createElement("img");
+    image.style.height = this.container.style.height;
+    image.style.width = this.container.style.width;
+    image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
+    image.alt = "[{{type}} Annotation]";
+    image.dataset.l10nId = "text_annotation_type";
+    image.dataset.l10nArgs = JSON.stringify({
+      type: this.data.name
+    });
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, image, this.data);
+    }
+
+    this.container.appendChild(image);
+    return this.container;
+  }
+
+}
+
+class WidgetAnnotationElement extends AnnotationElement {
+  render() {
+    return this.container;
+  }
+
+}
+
+class TextWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    const TEXT_ALIGNMENT = ["left", "center", "right"];
+    const storage = this.annotationStorage;
+    const id = this.data.id;
+    this.container.className = "textWidgetAnnotation";
+    let element = null;
+
+    if (this.renderInteractiveForms) {
+      const textContent = storage.getOrCreateValue(id, this.data.fieldValue);
+
+      if (this.data.multiLine) {
+        element = document.createElement("textarea");
+        element.textContent = textContent;
+      } else {
+        element = document.createElement("input");
+        element.type = "text";
+        element.setAttribute("value", textContent);
+      }
+
+      element.addEventListener("input", function (event) {
+        storage.setValue(id, event.target.value);
+      });
+      element.disabled = this.data.readOnly;
+      element.name = this.data.fieldName;
+
+      if (this.data.maxLen !== null) {
+        element.maxLength = this.data.maxLen;
+      }
+
+      if (this.data.comb) {
+        const fieldWidth = this.data.rect[2] - this.data.rect[0];
+        const combWidth = fieldWidth / this.data.maxLen;
+        element.classList.add("comb");
+        element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;
+      }
+    } else {
+      element = document.createElement("div");
+      element.textContent = this.data.fieldValue;
+      element.style.verticalAlign = "middle";
+      element.style.display = "table-cell";
+      let font = null;
+
+      if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
+        font = this.page.commonObjs.get(this.data.fontRefName);
+      }
+
+      this._setTextStyle(element, font);
+    }
+
+    if (this.data.textAlignment !== null) {
+      element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+    }
+
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+  _setTextStyle(element, font) {
+    const style = element.style;
+    style.fontSize = `${this.data.fontSize}px`;
+    style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
+
+    if (!font) {
+      return;
+    }
+
+    let bold = "normal";
+
+    if (font.black) {
+      bold = "900";
+    } else if (font.bold) {
+      bold = "bold";
+    }
+
+    style.fontWeight = bold;
+    style.fontStyle = font.italic ? "italic" : "normal";
+    const fontFamily = font.loadedName ? `"${font.loadedName}", ` : "";
+    const fallbackName = font.fallbackName || "Helvetica, sans-serif";
+    style.fontFamily = fontFamily + fallbackName;
+  }
+
+}
+
+class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    const storage = this.annotationStorage;
+    const data = this.data;
+    const id = data.id;
+    const value = storage.getOrCreateValue(id, data.fieldValue && data.fieldValue !== "Off");
+    this.container.className = "buttonWidgetAnnotation checkBox";
+    const element = document.createElement("input");
+    element.disabled = data.readOnly;
+    element.type = "checkbox";
+    element.name = this.data.fieldName;
+
+    if (value) {
+      element.setAttribute("checked", true);
+    }
+
+    element.addEventListener("change", function (event) {
+      storage.setValue(id, event.target.checked);
+    });
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+}
+
+class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    this.container.className = "buttonWidgetAnnotation radioButton";
+    const storage = this.annotationStorage;
+    const data = this.data;
+    const id = data.id;
+    const value = storage.getOrCreateValue(id, data.fieldValue === data.buttonValue);
+    const element = document.createElement("input");
+    element.disabled = data.readOnly;
+    element.type = "radio";
+    element.name = data.fieldName;
+
+    if (value) {
+      element.setAttribute("checked", true);
+    }
+
+    element.addEventListener("change", function (event) {
+      const name = event.target.name;
+
+      for (const radio of document.getElementsByName(name)) {
+        if (radio !== event.target) {
+          storage.setValue(radio.parentNode.getAttribute("data-annotation-id"), false);
+        }
+      }
+
+      storage.setValue(id, event.target.checked);
+    });
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+}
+
+class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
+  render() {
+    const container = super.render();
+    container.className = "buttonWidgetAnnotation pushButton";
+    return container;
+  }
+
+}
+
+class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    this.container.className = "choiceWidgetAnnotation";
+    const storage = this.annotationStorage;
+    const id = this.data.id;
+    storage.getOrCreateValue(id, this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null);
+    const selectElement = document.createElement("select");
+    selectElement.disabled = this.data.readOnly;
+    selectElement.name = this.data.fieldName;
+
+    if (!this.data.combo) {
+      selectElement.size = this.data.options.length;
+
+      if (this.data.multiSelect) {
+        selectElement.multiple = true;
+      }
+    }
+
+    for (const option of this.data.options) {
+      const optionElement = document.createElement("option");
+      optionElement.textContent = option.displayValue;
+      optionElement.value = option.exportValue;
+
+      if (this.data.fieldValue.includes(option.exportValue)) {
+        optionElement.setAttribute("selected", true);
+      }
+
+      selectElement.appendChild(optionElement);
+    }
+
+    selectElement.addEventListener("input", function (event) {
+      const options = event.target.options;
+      const value = options[options.selectedIndex].value;
+      storage.setValue(id, value);
+    });
+    this.container.appendChild(selectElement);
+    return this.container;
+  }
+
+}
+
+class PopupAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
+    this.container.className = "popupAnnotation";
+
+    if (IGNORE_TYPES.includes(this.data.parentType)) {
+      return this.container;
+    }
+
+    const selector = `[data-annotation-id="${this.data.parentId}"]`;
+    const parentElement = this.layer.querySelector(selector);
+
+    if (!parentElement) {
+      return this.container;
+    }
+
+    const popup = new PopupElement({
+      container: this.container,
+      trigger: parentElement,
+      color: this.data.color,
+      title: this.data.title,
+      modificationDate: this.data.modificationDate,
+      contents: this.data.contents
+    });
+    const parentLeft = parseFloat(parentElement.style.left);
+    const parentWidth = parseFloat(parentElement.style.width);
+    this.container.style.transformOrigin = `-${parentLeft + parentWidth}px -${parentElement.style.top}`;
+    this.container.style.left = `${parentLeft + parentWidth}px`;
+    this.container.appendChild(popup.render());
+    return this.container;
+  }
+
+}
+
+class PopupElement {
+  constructor(parameters) {
+    this.container = parameters.container;
+    this.trigger = parameters.trigger;
+    this.color = parameters.color;
+    this.title = parameters.title;
+    this.modificationDate = parameters.modificationDate;
+    this.contents = parameters.contents;
+    this.hideWrapper = parameters.hideWrapper || false;
+    this.pinned = false;
+  }
+
+  render() {
+    const BACKGROUND_ENLIGHT = 0.7;
+    const wrapper = document.createElement("div");
+    wrapper.className = "popupWrapper";
+    this.hideElement = this.hideWrapper ? wrapper : this.container;
+    this.hideElement.setAttribute("hidden", true);
+    const popup = document.createElement("div");
+    popup.className = "popup";
+    const color = this.color;
+
+    if (color) {
+      const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+      const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+      const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+      popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
+    }
+
+    const title = document.createElement("h1");
+    title.textContent = this.title;
+    popup.appendChild(title);
+
+    const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+    if (dateObject) {
+      const modificationDate = document.createElement("span");
+      modificationDate.textContent = "{{date}}, {{time}}";
+      modificationDate.dataset.l10nId = "annotation_date_string";
+      modificationDate.dataset.l10nArgs = JSON.stringify({
+        date: dateObject.toLocaleDateString(),
+        time: dateObject.toLocaleTimeString()
+      });
+      popup.appendChild(modificationDate);
+    }
+
+    const contents = this._formatContents(this.contents);
+
+    popup.appendChild(contents);
+    this.trigger.addEventListener("click", this._toggle.bind(this));
+    this.trigger.addEventListener("mouseover", this._show.bind(this, false));
+    this.trigger.addEventListener("mouseout", this._hide.bind(this, false));
+    popup.addEventListener("click", this._hide.bind(this, true));
+    wrapper.appendChild(popup);
+    return wrapper;
+  }
+
+  _formatContents(contents) {
+    const p = document.createElement("p");
+    const lines = contents.split(/(?:\r\n?|\n)/);
+
+    for (let i = 0, ii = lines.length; i < ii; ++i) {
+      const line = lines[i];
+      p.appendChild(document.createTextNode(line));
+
+      if (i < ii - 1) {
+        p.appendChild(document.createElement("br"));
+      }
+    }
+
+    return p;
+  }
+
+  _toggle() {
+    if (this.pinned) {
+      this._hide(true);
+    } else {
+      this._show(true);
+    }
+  }
+
+  _show(pin = false) {
+    if (pin) {
+      this.pinned = true;
+    }
+
+    if (this.hideElement.hasAttribute("hidden")) {
+      this.hideElement.removeAttribute("hidden");
+      this.container.style.zIndex += 1;
+    }
+  }
+
+  _hide(unpin = true) {
+    if (unpin) {
+      this.pinned = false;
+    }
+
+    if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
+      this.hideElement.setAttribute("hidden", true);
+      this.container.style.zIndex -= 1;
+    }
+  }
+
+}
+
+class FreeTextAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "freeTextAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class LineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "lineAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const line = this.svgFactory.createElement("svg:line");
+    line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
+    line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
+    line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
+    line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
+    line.setAttribute("stroke-width", data.borderStyle.width || 1);
+    line.setAttribute("stroke", "transparent");
+    svg.appendChild(line);
+    this.container.append(svg);
+
+    this._createPopup(this.container, line, data);
+
+    return this.container;
+  }
+
+}
+
+class SquareAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "squareAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const borderWidth = data.borderStyle.width;
+    const square = this.svgFactory.createElement("svg:rect");
+    square.setAttribute("x", borderWidth / 2);
+    square.setAttribute("y", borderWidth / 2);
+    square.setAttribute("width", width - borderWidth);
+    square.setAttribute("height", height - borderWidth);
+    square.setAttribute("stroke-width", borderWidth || 1);
+    square.setAttribute("stroke", "transparent");
+    square.setAttribute("fill", "none");
+    svg.appendChild(square);
+    this.container.append(svg);
+
+    this._createPopup(this.container, square, data);
+
+    return this.container;
+  }
+
+}
+
+class CircleAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "circleAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const borderWidth = data.borderStyle.width;
+    const circle = this.svgFactory.createElement("svg:ellipse");
+    circle.setAttribute("cx", width / 2);
+    circle.setAttribute("cy", height / 2);
+    circle.setAttribute("rx", width / 2 - borderWidth / 2);
+    circle.setAttribute("ry", height / 2 - borderWidth / 2);
+    circle.setAttribute("stroke-width", borderWidth || 1);
+    circle.setAttribute("stroke", "transparent");
+    circle.setAttribute("fill", "none");
+    svg.appendChild(circle);
+    this.container.append(svg);
+
+    this._createPopup(this.container, circle, data);
+
+    return this.container;
+  }
+
+}
+
+class PolylineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+    this.containerClassName = "polylineAnnotation";
+    this.svgElementName = "svg:polyline";
+  }
+
+  render() {
+    this.container.className = this.containerClassName;
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    let points = [];
+
+    for (const coordinate of data.vertices) {
+      const x = coordinate.x - data.rect[0];
+      const y = data.rect[3] - coordinate.y;
+      points.push(x + "," + y);
+    }
+
+    points = points.join(" ");
+    const polyline = this.svgFactory.createElement(this.svgElementName);
+    polyline.setAttribute("points", points);
+    polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+    polyline.setAttribute("stroke", "transparent");
+    polyline.setAttribute("fill", "none");
+    svg.appendChild(polyline);
+    this.container.append(svg);
+
+    this._createPopup(this.container, polyline, data);
+
+    return this.container;
+  }
+
+}
+
+class PolygonAnnotationElement extends PolylineAnnotationElement {
+  constructor(parameters) {
+    super(parameters);
+    this.containerClassName = "polygonAnnotation";
+    this.svgElementName = "svg:polygon";
+  }
+
+}
+
+class CaretAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "caretAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class InkAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+    this.containerClassName = "inkAnnotation";
+    this.svgElementName = "svg:polyline";
+  }
+
+  render() {
+    this.container.className = this.containerClassName;
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+
+    for (const inkList of data.inkLists) {
+      let points = [];
+
+      for (const coordinate of inkList) {
+        const x = coordinate.x - data.rect[0];
+        const y = data.rect[3] - coordinate.y;
+        points.push(`${x},${y}`);
+      }
+
+      points = points.join(" ");
+      const polyline = this.svgFactory.createElement(this.svgElementName);
+      polyline.setAttribute("points", points);
+      polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+      polyline.setAttribute("stroke", "transparent");
+      polyline.setAttribute("fill", "none");
+
+      this._createPopup(this.container, polyline, data);
+
+      svg.appendChild(polyline);
+    }
+
+    this.container.append(svg);
+    return this.container;
+  }
+
+}
+
+class HighlightAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "highlightAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class UnderlineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "underlineAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class SquigglyAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "squigglyAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class StrikeOutAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "strikeoutAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class StampAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "stampAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class FileAttachmentAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    super(parameters, true);
+    const {
+      filename,
+      content
+    } = this.data.file;
+    this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+    this.content = content;
+
+    if (this.linkService.eventBus) {
+      this.linkService.eventBus.dispatch("fileattachmentannotation", {
+        source: this,
+        id: (0, _util.stringToPDFString)(filename),
+        filename,
+        content
+      });
+    }
+  }
+
+  render() {
+    this.container.className = "fileAttachmentAnnotation";
+    const trigger = document.createElement("div");
+    trigger.style.height = this.container.style.height;
+    trigger.style.width = this.container.style.width;
+    trigger.addEventListener("dblclick", this._download.bind(this));
+
+    if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+      this._createPopup(this.container, trigger, this.data);
+    }
+
+    this.container.appendChild(trigger);
+    return this.container;
+  }
+
+  _download() {
+    if (!this.downloadManager) {
+      (0, _util.warn)("Download cannot be started due to unavailable download manager");
+      return;
+    }
+
+    this.downloadManager.downloadData(this.content, this.filename, "");
+  }
+
+}
+
+class AnnotationLayer {
+  static render(parameters) {
+    const sortedAnnotations = [],
+          popupAnnotations = [];
+
+    for (const data of parameters.annotations) {
+      if (!data) {
+        continue;
+      }
+
+      if (data.annotationType === _util.AnnotationType.POPUP) {
+        popupAnnotations.push(data);
+        continue;
+      }
+
+      sortedAnnotations.push(data);
+    }
+
+    if (popupAnnotations.length) {
+      sortedAnnotations.push(...popupAnnotations);
+    }
+
+    for (const data of sortedAnnotations) {
+      const element = AnnotationElementFactory.create({
+        data,
+        layer: parameters.div,
+        page: parameters.page,
+        viewport: parameters.viewport,
+        linkService: parameters.linkService,
+        downloadManager: parameters.downloadManager,
+        imageResourcesPath: parameters.imageResourcesPath || "",
+        renderInteractiveForms: typeof parameters.renderInteractiveForms === "boolean" ? parameters.renderInteractiveForms : true,
+        svgFactory: new _display_utils.DOMSVGFactory(),
+        annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage()
+      });
+
+      if (element.isRenderable) {
+        parameters.div.appendChild(element.render());
+      }
+    }
+  }
+
+  static update(parameters) {
+    for (const data of parameters.annotations) {
+      const element = parameters.div.querySelector(`[data-annotation-id="${data.id}"]`);
+
+      if (element) {
+        element.style.transform = `matrix(${parameters.viewport.transform.join(",")})`;
+      }
+    }
+
+    parameters.div.removeAttribute("hidden");
+  }
+
+}
+
+exports.AnnotationLayer = AnnotationLayer;
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.renderTextLayer = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var renderTextLayer = function renderTextLayerClosure() {
+  var MAX_TEXT_DIVS_TO_RENDER = 100000;
+  var NonWhitespaceRegexp = /\S/;
+
+  function isAllWhitespace(str) {
+    return !NonWhitespaceRegexp.test(str);
+  }
+
+  function appendText(task, geom, styles) {
+    var textDiv = document.createElement("span");
+    var textDivProperties = {
+      angle: 0,
+      canvasWidth: 0,
+      isWhitespace: false,
+      originalTransform: null,
+      paddingBottom: 0,
+      paddingLeft: 0,
+      paddingRight: 0,
+      paddingTop: 0,
+      scale: 1
+    };
+
+    task._textDivs.push(textDiv);
+
+    if (isAllWhitespace(geom.str)) {
+      textDivProperties.isWhitespace = true;
+
+      task._textDivProperties.set(textDiv, textDivProperties);
+
+      return;
+    }
+
+    var tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+    var angle = Math.atan2(tx[1], tx[0]);
+    var style = styles[geom.fontName];
+
+    if (style.vertical) {
+      angle += Math.PI / 2;
+    }
+
+    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
+    var fontAscent = fontHeight;
+
+    if (style.ascent) {
+      fontAscent = style.ascent * fontAscent;
+    } else if (style.descent) {
+      fontAscent = (1 + style.descent) * fontAscent;
+    }
+
+    let left, top;
+
+    if (angle === 0) {
+      left = tx[4];
+      top = tx[5] - fontAscent;
+    } else {
+      left = tx[4] + fontAscent * Math.sin(angle);
+      top = tx[5] - fontAscent * Math.cos(angle);
+    }
+
+    textDiv.style.left = `${left}px`;
+    textDiv.style.top = `${top}px`;
+    textDiv.style.fontSize = `${fontHeight}px`;
+    textDiv.style.fontFamily = style.fontFamily;
+    textDiv.textContent = geom.str;
+
+    if (task._fontInspectorEnabled) {
+      textDiv.dataset.fontName = geom.fontName;
+    }
+
+    if (angle !== 0) {
+      textDivProperties.angle = angle * (180 / Math.PI);
+    }
+
+    let shouldScaleText = false;
+
+    if (geom.str.length > 1) {
+      shouldScaleText = true;
+    } else if (geom.transform[0] !== geom.transform[3]) {
+      const absScaleX = Math.abs(geom.transform[0]),
+            absScaleY = Math.abs(geom.transform[3]);
+
+      if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
+        shouldScaleText = true;
+      }
+    }
+
+    if (shouldScaleText) {
+      if (style.vertical) {
+        textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+      } else {
+        textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+      }
+    }
+
+    task._textDivProperties.set(textDiv, textDivProperties);
+
+    if (task._textContentStream) {
+      task._layoutText(textDiv);
+    }
+
+    if (task._enhanceTextSelection) {
+      var angleCos = 1,
+          angleSin = 0;
+
+      if (angle !== 0) {
+        angleCos = Math.cos(angle);
+        angleSin = Math.sin(angle);
+      }
+
+      var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+      var divHeight = fontHeight;
+      var m, b;
+
+      if (angle !== 0) {
+        m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+        b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+      } else {
+        b = [left, top, left + divWidth, top + divHeight];
+      }
+
+      task._bounds.push({
+        left: b[0],
+        top: b[1],
+        right: b[2],
+        bottom: b[3],
+        div: textDiv,
+        size: [divWidth, divHeight],
+        m
+      });
+    }
+  }
+
+  function render(task) {
+    if (task._canceled) {
+      return;
+    }
+
+    var textDivs = task._textDivs;
+    var capability = task._capability;
+    var textDivsLength = textDivs.length;
+
+    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+      task._renderingDone = true;
+      capability.resolve();
+      return;
+    }
+
+    if (!task._textContentStream) {
+      for (var i = 0; i < textDivsLength; i++) {
+        task._layoutText(textDivs[i]);
+      }
+    }
+
+    task._renderingDone = true;
+    capability.resolve();
+  }
+
+  function findPositiveMin(ts, offset, count) {
+    let result = 0;
+
+    for (let i = 0; i < count; i++) {
+      const t = ts[offset++];
+
+      if (t > 0) {
+        result = result ? Math.min(t, result) : t;
+      }
+    }
+
+    return result;
+  }
+
+  function expand(task) {
+    var bounds = task._bounds;
+    var viewport = task._viewport;
+    var expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+    for (var i = 0; i < expanded.length; i++) {
+      var div = bounds[i].div;
+
+      var divProperties = task._textDivProperties.get(div);
+
+      if (divProperties.angle === 0) {
+        divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+        divProperties.paddingTop = bounds[i].top - expanded[i].top;
+        divProperties.paddingRight = expanded[i].right - bounds[i].right;
+        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+        task._textDivProperties.set(div, divProperties);
+
+        continue;
+      }
+
+      var e = expanded[i],
+          b = bounds[i];
+      var m = b.m,
+          c = m[0],
+          s = m[1];
+      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+      var ts = new Float64Array(64);
+      points.forEach(function (p, j) {
+        var t = _util.Util.applyTransform(p, m);
+
+        ts[j + 0] = c && (e.left - t[0]) / c;
+        ts[j + 4] = s && (e.top - t[1]) / s;
+        ts[j + 8] = c && (e.right - t[0]) / c;
+        ts[j + 12] = s && (e.bottom - t[1]) / s;
+        ts[j + 16] = s && (e.left - t[0]) / -s;
+        ts[j + 20] = c && (e.top - t[1]) / c;
+        ts[j + 24] = s && (e.right - t[0]) / -s;
+        ts[j + 28] = c && (e.bottom - t[1]) / c;
+        ts[j + 32] = c && (e.left - t[0]) / -c;
+        ts[j + 36] = s && (e.top - t[1]) / -s;
+        ts[j + 40] = c && (e.right - t[0]) / -c;
+        ts[j + 44] = s && (e.bottom - t[1]) / -s;
+        ts[j + 48] = s && (e.left - t[0]) / s;
+        ts[j + 52] = c && (e.top - t[1]) / -c;
+        ts[j + 56] = s && (e.right - t[0]) / s;
+        ts[j + 60] = c && (e.bottom - t[1]) / -c;
+      });
+      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+      task._textDivProperties.set(div, divProperties);
+    }
+  }
+
+  function expandBounds(width, height, boxes) {
+    var bounds = boxes.map(function (box, i) {
+      return {
+        x1: box.left,
+        y1: box.top,
+        x2: box.right,
+        y2: box.bottom,
+        index: i,
+        x1New: undefined,
+        x2New: undefined
+      };
+    });
+    expandBoundsLTR(width, bounds);
+    var expanded = new Array(boxes.length);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i] = {
+        left: b.x1New,
+        top: 0,
+        right: b.x2New,
+        bottom: 0
+      };
+    });
+    boxes.map(function (box, i) {
+      var e = expanded[i],
+          b = bounds[i];
+      b.x1 = box.top;
+      b.y1 = width - e.right;
+      b.x2 = box.bottom;
+      b.y2 = width - e.left;
+      b.index = i;
+      b.x1New = undefined;
+      b.x2New = undefined;
+    });
+    expandBoundsLTR(height, bounds);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i].top = b.x1New;
+      expanded[i].bottom = b.x2New;
+    });
+    return expanded;
+  }
+
+  function expandBoundsLTR(width, bounds) {
+    bounds.sort(function (a, b) {
+      return a.x1 - b.x1 || a.index - b.index;
+    });
+    var fakeBoundary = {
+      x1: -Infinity,
+      y1: -Infinity,
+      x2: 0,
+      y2: Infinity,
+      index: -1,
+      x1New: 0,
+      x2New: 0
+    };
+    var horizon = [{
+      start: -Infinity,
+      end: Infinity,
+      boundary: fakeBoundary
+    }];
+    bounds.forEach(function (boundary) {
+      var i = 0;
+
+      while (i < horizon.length && horizon[i].end <= boundary.y1) {
+        i++;
+      }
+
+      var j = horizon.length - 1;
+
+      while (j >= 0 && horizon[j].start >= boundary.y2) {
+        j--;
+      }
+
+      var horizonPart, affectedBoundary;
+      var q,
+          k,
+          maxXNew = -Infinity;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var xNew;
+
+        if (affectedBoundary.x2 > boundary.x1) {
+          xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+        } else if (affectedBoundary.x2New === undefined) {
+          xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+        } else {
+          xNew = affectedBoundary.x2New;
+        }
+
+        if (xNew > maxXNew) {
+          maxXNew = xNew;
+        }
+      }
+
+      boundary.x1New = maxXNew;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New === undefined) {
+          if (affectedBoundary.x2 > boundary.x1) {
+            if (affectedBoundary.index > boundary.index) {
+              affectedBoundary.x2New = affectedBoundary.x2;
+            }
+          } else {
+            affectedBoundary.x2New = maxXNew;
+          }
+        } else if (affectedBoundary.x2New > maxXNew) {
+          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+        }
+      }
+
+      var changedHorizon = [],
+          lastBoundary = null;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+        if (lastBoundary === useBoundary) {
+          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+        } else {
+          changedHorizon.push({
+            start: horizonPart.start,
+            end: horizonPart.end,
+            boundary: useBoundary
+          });
+          lastBoundary = useBoundary;
+        }
+      }
+
+      if (horizon[i].start < boundary.y1) {
+        changedHorizon[0].start = boundary.y1;
+        changedHorizon.unshift({
+          start: horizon[i].start,
+          end: boundary.y1,
+          boundary: horizon[i].boundary
+        });
+      }
+
+      if (boundary.y2 < horizon[j].end) {
+        changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+        changedHorizon.push({
+          start: boundary.y2,
+          end: horizon[j].end,
+          boundary: horizon[j].boundary
+        });
+      }
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New !== undefined) {
+          continue;
+        }
+
+        var used = false;
+
+        for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = 0; !used && k < changedHorizon.length; k++) {
+          used = changedHorizon[k].boundary === affectedBoundary;
+        }
+
+        if (!used) {
+          affectedBoundary.x2New = maxXNew;
+        }
+      }
+
+      Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
+    });
+    horizon.forEach(function (horizonPart) {
+      var affectedBoundary = horizonPart.boundary;
+
+      if (affectedBoundary.x2New === undefined) {
+        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+      }
+    });
+  }
+
+  function TextLayerRenderTask({
+    textContent,
+    textContentStream,
+    container,
+    viewport,
+    textDivs,
+    textContentItemsStr,
+    enhanceTextSelection
+  }) {
+    this._textContent = textContent;
+    this._textContentStream = textContentStream;
+    this._container = container;
+    this._document = container.ownerDocument;
+    this._viewport = viewport;
+    this._textDivs = textDivs || [];
+    this._textContentItemsStr = textContentItemsStr || [];
+    this._enhanceTextSelection = !!enhanceTextSelection;
+    this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.FontInspector.enabled);
+    this._reader = null;
+    this._layoutTextLastFontSize = null;
+    this._layoutTextLastFontFamily = null;
+    this._layoutTextCtx = null;
+    this._textDivProperties = new WeakMap();
+    this._renderingDone = false;
+    this._canceled = false;
+    this._capability = (0, _util.createPromiseCapability)();
+    this._renderTimer = null;
+    this._bounds = [];
+
+    this._capability.promise.finally(() => {
+      if (this._layoutTextCtx) {
+        this._layoutTextCtx.canvas.width = 0;
+        this._layoutTextCtx.canvas.height = 0;
+        this._layoutTextCtx = null;
+      }
+    }).catch(() => {});
+  }
+
+  TextLayerRenderTask.prototype = {
+    get promise() {
+      return this._capability.promise;
+    },
+
+    cancel: function TextLayer_cancel() {
+      this._canceled = true;
+
+      if (this._reader) {
+        this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
+
+        this._reader = null;
+      }
+
+      if (this._renderTimer !== null) {
+        clearTimeout(this._renderTimer);
+        this._renderTimer = null;
+      }
+
+      this._capability.reject(new Error("TextLayer task cancelled."));
+    },
+
+    _processItems(items, styleCache) {
+      for (let i = 0, len = items.length; i < len; i++) {
+        this._textContentItemsStr.push(items[i].str);
+
+        appendText(this, items[i], styleCache);
+      }
+    },
+
+    _layoutText(textDiv) {
+      const textDivProperties = this._textDivProperties.get(textDiv);
+
+      if (textDivProperties.isWhitespace) {
+        return;
+      }
+
+      let transform = "";
+
+      if (textDivProperties.canvasWidth !== 0) {
+        const {
+          fontSize,
+          fontFamily
+        } = textDiv.style;
+
+        if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+          this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
+          this._layoutTextLastFontSize = fontSize;
+          this._layoutTextLastFontFamily = fontFamily;
+        }
+
+        const {
+          width
+        } = this._layoutTextCtx.measureText(textDiv.textContent);
+
+        if (width > 0) {
+          textDivProperties.scale = textDivProperties.canvasWidth / width;
+          transform = `scaleX(${textDivProperties.scale})`;
+        }
+      }
+
+      if (textDivProperties.angle !== 0) {
+        transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
+      }
+
+      if (transform.length > 0) {
+        if (this._enhanceTextSelection) {
+          textDivProperties.originalTransform = transform;
+        }
+
+        textDiv.style.transform = transform;
+      }
+
+      this._textDivProperties.set(textDiv, textDivProperties);
+
+      this._container.appendChild(textDiv);
+    },
+
+    _render: function TextLayer_render(timeout) {
+      const capability = (0, _util.createPromiseCapability)();
+      let styleCache = Object.create(null);
+
+      const canvas = this._document.createElement("canvas");
+
+      canvas.mozOpaque = true;
+      this._layoutTextCtx = canvas.getContext("2d", {
+        alpha: false
+      });
+
+      if (this._textContent) {
+        const textItems = this._textContent.items;
+        const textStyles = this._textContent.styles;
+
+        this._processItems(textItems, textStyles);
+
+        capability.resolve();
+      } else if (this._textContentStream) {
+        const pump = () => {
+          this._reader.read().then(({
+            value,
+            done
+          }) => {
+            if (done) {
+              capability.resolve();
+              return;
+            }
+
+            Object.assign(styleCache, value.styles);
+
+            this._processItems(value.items, styleCache);
+
+            pump();
+          }, capability.reject);
+        };
+
+        this._reader = this._textContentStream.getReader();
+        pump();
+      } else {
+        throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified.");
+      }
+
+      capability.promise.then(() => {
+        styleCache = null;
+
+        if (!timeout) {
+          render(this);
+        } else {
+          this._renderTimer = setTimeout(() => {
+            render(this);
+            this._renderTimer = null;
+          }, timeout);
+        }
+      }, this._capability.reject);
+    },
+    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+      if (!this._enhanceTextSelection || !this._renderingDone) {
+        return;
+      }
+
+      if (this._bounds !== null) {
+        expand(this);
+        this._bounds = null;
+      }
+
+      const transformBuf = [],
+            paddingBuf = [];
+
+      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
+        const div = this._textDivs[i];
+
+        const divProps = this._textDivProperties.get(div);
+
+        if (divProps.isWhitespace) {
+          continue;
+        }
+
+        if (expandDivs) {
+          transformBuf.length = 0;
+          paddingBuf.length = 0;
+
+          if (divProps.originalTransform) {
+            transformBuf.push(divProps.originalTransform);
+          }
+
+          if (divProps.paddingTop > 0) {
+            paddingBuf.push(`${divProps.paddingTop}px`);
+            transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingRight > 0) {
+            paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingBottom > 0) {
+            paddingBuf.push(`${divProps.paddingBottom}px`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingLeft > 0) {
+            paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
+            transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          div.style.padding = paddingBuf.join(" ");
+
+          if (transformBuf.length) {
+            div.style.transform = transformBuf.join(" ");
+          }
+        } else {
+          div.style.padding = null;
+          div.style.transform = divProps.originalTransform;
+        }
+      }
+    }
+  };
+
+  function renderTextLayer(renderParameters) {
+    var task = new TextLayerRenderTask({
+      textContent: renderParameters.textContent,
+      textContentStream: renderParameters.textContentStream,
+      container: renderParameters.container,
+      viewport: renderParameters.viewport,
+      textDivs: renderParameters.textDivs,
+      textContentItemsStr: renderParameters.textContentItemsStr,
+      enhanceTextSelection: renderParameters.enhanceTextSelection
+    });
+
+    task._render(renderParameters.timeout);
+
+    return task;
+  }
+
+  return renderTextLayer;
+}();
+
+exports.renderTextLayer = renderTextLayer;
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SVGGraphics = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(4);
+
+let SVGGraphics = function () {
+  throw new Error("Not implemented: SVGGraphics");
+};
+
+exports.SVGGraphics = SVGGraphics;
+{
+  const SVG_DEFAULTS = {
+    fontStyle: "normal",
+    fontWeight: "normal",
+    fillColor: "#000000"
+  };
+  const XML_NS = "http://www.w3.org/XML/1998/namespace";
+  const XLINK_NS = "http://www.w3.org/1999/xlink";
+  const LINE_CAP_STYLES = ["butt", "round", "square"];
+  const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+
+  const convertImgDataToPng = function () {
+    const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+    const CHUNK_WRAPPER_SIZE = 12;
+    const crcTable = new Int32Array(256);
+
+    for (let i = 0; i < 256; i++) {
+      let c = i;
+
+      for (let h = 0; h < 8; h++) {
+        if (c & 1) {
+          c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
+        } else {
+          c = c >> 1 & 0x7fffffff;
+        }
+      }
+
+      crcTable[i] = c;
+    }
+
+    function crc32(data, start, end) {
+      let crc = -1;
+
+      for (let i = start; i < end; i++) {
+        const a = (crc ^ data[i]) & 0xff;
+        const b = crcTable[a];
+        crc = crc >>> 8 ^ b;
+      }
+
+      return crc ^ -1;
+    }
+
+    function writePngChunk(type, body, data, offset) {
+      let p = offset;
+      const len = body.length;
+      data[p] = len >> 24 & 0xff;
+      data[p + 1] = len >> 16 & 0xff;
+      data[p + 2] = len >> 8 & 0xff;
+      data[p + 3] = len & 0xff;
+      p += 4;
+      data[p] = type.charCodeAt(0) & 0xff;
+      data[p + 1] = type.charCodeAt(1) & 0xff;
+      data[p + 2] = type.charCodeAt(2) & 0xff;
+      data[p + 3] = type.charCodeAt(3) & 0xff;
+      p += 4;
+      data.set(body, p);
+      p += body.length;
+      const crc = crc32(data, offset + 4, p);
+      data[p] = crc >> 24 & 0xff;
+      data[p + 1] = crc >> 16 & 0xff;
+      data[p + 2] = crc >> 8 & 0xff;
+      data[p + 3] = crc & 0xff;
+    }
+
+    function adler32(data, start, end) {
+      let a = 1;
+      let b = 0;
+
+      for (let i = start; i < end; ++i) {
+        a = (a + (data[i] & 0xff)) % 65521;
+        b = (b + a) % 65521;
+      }
+
+      return b << 16 | a;
+    }
+
+    function deflateSync(literals) {
+      if (!_is_node.isNodeJS) {
+        return deflateSyncUncompressed(literals);
+      }
+
+      try {
+        let input;
+
+        if (parseInt(process.versions.node) >= 8) {
+          input = literals;
+        } else {
+          input = Buffer.from(literals);
+        }
+
+        const output = require("zlib").deflateSync(input, {
+          level: 9
+        });
+
+        return output instanceof Uint8Array ? output : new Uint8Array(output);
+      } catch (e) {
+        (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
+      }
+
+      return deflateSyncUncompressed(literals);
+    }
+
+    function deflateSyncUncompressed(literals) {
+      let len = literals.length;
+      const maxBlockLength = 0xffff;
+      const deflateBlocks = Math.ceil(len / maxBlockLength);
+      const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+      let pi = 0;
+      idat[pi++] = 0x78;
+      idat[pi++] = 0x9c;
+      let pos = 0;
+
+      while (len > maxBlockLength) {
+        idat[pi++] = 0x00;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0x00;
+        idat[pi++] = 0x00;
+        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+        pi += maxBlockLength;
+        pos += maxBlockLength;
+        len -= maxBlockLength;
+      }
+
+      idat[pi++] = 0x01;
+      idat[pi++] = len & 0xff;
+      idat[pi++] = len >> 8 & 0xff;
+      idat[pi++] = ~len & 0xffff & 0xff;
+      idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+      idat.set(literals.subarray(pos), pi);
+      pi += literals.length - pos;
+      const adler = adler32(literals, 0, literals.length);
+      idat[pi++] = adler >> 24 & 0xff;
+      idat[pi++] = adler >> 16 & 0xff;
+      idat[pi++] = adler >> 8 & 0xff;
+      idat[pi++] = adler & 0xff;
+      return idat;
+    }
+
+    function encode(imgData, kind, forceDataSchema, isMask) {
+      const width = imgData.width;
+      const height = imgData.height;
+      let bitDepth, colorType, lineSize;
+      const bytes = imgData.data;
+
+      switch (kind) {
+        case _util.ImageKind.GRAYSCALE_1BPP:
+          colorType = 0;
+          bitDepth = 1;
+          lineSize = width + 7 >> 3;
+          break;
+
+        case _util.ImageKind.RGB_24BPP:
+          colorType = 2;
+          bitDepth = 8;
+          lineSize = width * 3;
+          break;
+
+        case _util.ImageKind.RGBA_32BPP:
+          colorType = 6;
+          bitDepth = 8;
+          lineSize = width * 4;
+          break;
+
+        default:
+          throw new Error("invalid format");
+      }
+
+      const literals = new Uint8Array((1 + lineSize) * height);
+      let offsetLiterals = 0,
+          offsetBytes = 0;
+
+      for (let y = 0; y < height; ++y) {
+        literals[offsetLiterals++] = 0;
+        literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
+        offsetBytes += lineSize;
+        offsetLiterals += lineSize;
+      }
+
+      if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
+        offsetLiterals = 0;
+
+        for (let y = 0; y < height; y++) {
+          offsetLiterals++;
+
+          for (let i = 0; i < lineSize; i++) {
+            literals[offsetLiterals++] ^= 0xff;
+          }
+        }
+      }
+
+      const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
+      const idat = deflateSync(literals);
+      const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
+      const data = new Uint8Array(pngLength);
+      let offset = 0;
+      data.set(PNG_HEADER, offset);
+      offset += PNG_HEADER.length;
+      writePngChunk("IHDR", ihdr, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+      writePngChunk("IDATA", idat, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + idat.length;
+      writePngChunk("IEND", new Uint8Array(0), data, offset);
+      return (0, _util.createObjectURL)(data, "image/png", forceDataSchema);
+    }
+
+    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
+      const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
+      return encode(imgData, kind, forceDataSchema, isMask);
+    };
+  }();
+
+  class SVGExtraState {
+    constructor() {
+      this.fontSizeScale = 1;
+      this.fontWeight = SVG_DEFAULTS.fontWeight;
+      this.fontSize = 0;
+      this.textMatrix = _util.IDENTITY_MATRIX;
+      this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+      this.leading = 0;
+      this.textRenderingMode = _util.TextRenderingMode.FILL;
+      this.textMatrixScale = 1;
+      this.x = 0;
+      this.y = 0;
+      this.lineX = 0;
+      this.lineY = 0;
+      this.charSpacing = 0;
+      this.wordSpacing = 0;
+      this.textHScale = 1;
+      this.textRise = 0;
+      this.fillColor = SVG_DEFAULTS.fillColor;
+      this.strokeColor = "#000000";
+      this.fillAlpha = 1;
+      this.strokeAlpha = 1;
+      this.lineWidth = 1;
+      this.lineJoin = "";
+      this.lineCap = "";
+      this.miterLimit = 0;
+      this.dashArray = [];
+      this.dashPhase = 0;
+      this.dependencies = [];
+      this.activeClipUrl = null;
+      this.clipGroup = null;
+      this.maskId = "";
+    }
+
+    clone() {
+      return Object.create(this);
+    }
+
+    setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+
+  }
+
+  function opListToTree(opList) {
+    let opTree = [];
+    const tmp = [];
+
+    for (const opListElement of opList) {
+      if (opListElement.fn === "save") {
+        opTree.push({
+          fnId: 92,
+          fn: "group",
+          items: []
+        });
+        tmp.push(opTree);
+        opTree = opTree[opTree.length - 1].items;
+        continue;
+      }
+
+      if (opListElement.fn === "restore") {
+        opTree = tmp.pop();
+      } else {
+        opTree.push(opListElement);
+      }
+    }
+
+    return opTree;
+  }
+
+  function pf(value) {
+    if (Number.isInteger(value)) {
+      return value.toString();
+    }
+
+    const s = value.toFixed(10);
+    let i = s.length - 1;
+
+    if (s[i] !== "0") {
+      return s;
+    }
+
+    do {
+      i--;
+    } while (s[i] === "0");
+
+    return s.substring(0, s[i] === "." ? i : i + 1);
+  }
+
+  function pm(m) {
+    if (m[4] === 0 && m[5] === 0) {
+      if (m[1] === 0 && m[2] === 0) {
+        if (m[0] === 1 && m[3] === 1) {
+          return "";
+        }
+
+        return `scale(${pf(m[0])} ${pf(m[3])})`;
+      }
+
+      if (m[0] === m[3] && m[1] === -m[2]) {
+        const a = Math.acos(m[0]) * 180 / Math.PI;
+        return `rotate(${pf(a)})`;
+      }
+    } else {
+      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+        return `translate(${pf(m[4])} ${pf(m[5])})`;
+      }
+    }
+
+    return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
+  }
+
+  let clipCount = 0;
+  let maskCount = 0;
+  let shadingCount = 0;
+  exports.SVGGraphics = SVGGraphics = class SVGGraphics {
+    constructor(commonObjs, objs, forceDataSchema = false) {
+      this.svgFactory = new _display_utils.DOMSVGFactory();
+      this.current = new SVGExtraState();
+      this.transformMatrix = _util.IDENTITY_MATRIX;
+      this.transformStack = [];
+      this.extraStack = [];
+      this.commonObjs = commonObjs;
+      this.objs = objs;
+      this.pendingClip = null;
+      this.pendingEOFill = false;
+      this.embedFonts = false;
+      this.embeddedFonts = Object.create(null);
+      this.cssStyle = null;
+      this.forceDataSchema = !!forceDataSchema;
+      this._operatorIdMapping = [];
+
+      for (const op in _util.OPS) {
+        this._operatorIdMapping[_util.OPS[op]] = op;
+      }
+    }
+
+    save() {
+      this.transformStack.push(this.transformMatrix);
+      const old = this.current;
+      this.extraStack.push(old);
+      this.current = old.clone();
+    }
+
+    restore() {
+      this.transformMatrix = this.transformStack.pop();
+      this.current = this.extraStack.pop();
+      this.pendingClip = null;
+      this.tgrp = null;
+    }
+
+    group(items) {
+      this.save();
+      this.executeOpTree(items);
+      this.restore();
+    }
+
+    loadDependencies(operatorList) {
+      const fnArray = operatorList.fnArray;
+      const argsArray = operatorList.argsArray;
+
+      for (let i = 0, ii = fnArray.length; i < ii; i++) {
+        if (fnArray[i] !== _util.OPS.dependency) {
+          continue;
+        }
+
+        for (const obj of argsArray[i]) {
+          const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
+          const promise = new Promise(resolve => {
+            objsPool.get(obj, resolve);
+          });
+          this.current.dependencies.push(promise);
+        }
+      }
+
+      return Promise.all(this.current.dependencies);
+    }
+
+    transform(a, b, c, d, e, f) {
+      const transformMatrix = [a, b, c, d, e, f];
+      this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
+      this.tgrp = null;
+    }
+
+    getSVG(operatorList, viewport) {
+      this.viewport = viewport;
+
+      const svgElement = this._initialize(viewport);
+
+      return this.loadDependencies(operatorList).then(() => {
+        this.transformMatrix = _util.IDENTITY_MATRIX;
+        this.executeOpTree(this.convertOpList(operatorList));
+        return svgElement;
+      });
+    }
+
+    convertOpList(operatorList) {
+      const operatorIdMapping = this._operatorIdMapping;
+      const argsArray = operatorList.argsArray;
+      const fnArray = operatorList.fnArray;
+      const opList = [];
+
+      for (let i = 0, ii = fnArray.length; i < ii; i++) {
+        const fnId = fnArray[i];
+        opList.push({
+          fnId,
+          fn: operatorIdMapping[fnId],
+          args: argsArray[i]
+        });
+      }
+
+      return opListToTree(opList);
+    }
+
+    executeOpTree(opTree) {
+      for (const opTreeElement of opTree) {
+        const fn = opTreeElement.fn;
+        const fnId = opTreeElement.fnId;
+        const args = opTreeElement.args;
+
+        switch (fnId | 0) {
+          case _util.OPS.beginText:
+            this.beginText();
+            break;
+
+          case _util.OPS.dependency:
+            break;
+
+          case _util.OPS.setLeading:
+            this.setLeading(args);
+            break;
+
+          case _util.OPS.setLeadingMoveText:
+            this.setLeadingMoveText(args[0], args[1]);
+            break;
+
+          case _util.OPS.setFont:
+            this.setFont(args);
+            break;
+
+          case _util.OPS.showText:
+            this.showText(args[0]);
+            break;
+
+          case _util.OPS.showSpacedText:
+            this.showText(args[0]);
+            break;
+
+          case _util.OPS.endText:
+            this.endText();
+            break;
+
+          case _util.OPS.moveText:
+            this.moveText(args[0], args[1]);
+            break;
+
+          case _util.OPS.setCharSpacing:
+            this.setCharSpacing(args[0]);
+            break;
+
+          case _util.OPS.setWordSpacing:
+            this.setWordSpacing(args[0]);
+            break;
+
+          case _util.OPS.setHScale:
+            this.setHScale(args[0]);
+            break;
+
+          case _util.OPS.setTextMatrix:
+            this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.setTextRise:
+            this.setTextRise(args[0]);
+            break;
+
+          case _util.OPS.setTextRenderingMode:
+            this.setTextRenderingMode(args[0]);
+            break;
+
+          case _util.OPS.setLineWidth:
+            this.setLineWidth(args[0]);
+            break;
+
+          case _util.OPS.setLineJoin:
+            this.setLineJoin(args[0]);
+            break;
+
+          case _util.OPS.setLineCap:
+            this.setLineCap(args[0]);
+            break;
+
+          case _util.OPS.setMiterLimit:
+            this.setMiterLimit(args[0]);
+            break;
+
+          case _util.OPS.setFillRGBColor:
+            this.setFillRGBColor(args[0], args[1], args[2]);
+            break;
+
+          case _util.OPS.setStrokeRGBColor:
+            this.setStrokeRGBColor(args[0], args[1], args[2]);
+            break;
+
+          case _util.OPS.setStrokeColorN:
+            this.setStrokeColorN(args);
+            break;
+
+          case _util.OPS.setFillColorN:
+            this.setFillColorN(args);
+            break;
+
+          case _util.OPS.shadingFill:
+            this.shadingFill(args[0]);
+            break;
+
+          case _util.OPS.setDash:
+            this.setDash(args[0], args[1]);
+            break;
+
+          case _util.OPS.setRenderingIntent:
+            this.setRenderingIntent(args[0]);
+            break;
+
+          case _util.OPS.setFlatness:
+            this.setFlatness(args[0]);
+            break;
+
+          case _util.OPS.setGState:
+            this.setGState(args[0]);
+            break;
+
+          case _util.OPS.fill:
+            this.fill();
+            break;
+
+          case _util.OPS.eoFill:
+            this.eoFill();
+            break;
+
+          case _util.OPS.stroke:
+            this.stroke();
+            break;
+
+          case _util.OPS.fillStroke:
+            this.fillStroke();
+            break;
+
+          case _util.OPS.eoFillStroke:
+            this.eoFillStroke();
+            break;
+
+          case _util.OPS.clip:
+            this.clip("nonzero");
+            break;
+
+          case _util.OPS.eoClip:
+            this.clip("evenodd");
+            break;
+
+          case _util.OPS.paintSolidColorImageMask:
+            this.paintSolidColorImageMask();
+            break;
+
+          case _util.OPS.paintImageXObject:
+            this.paintImageXObject(args[0]);
+            break;
+
+          case _util.OPS.paintInlineImageXObject:
+            this.paintInlineImageXObject(args[0]);
+            break;
+
+          case _util.OPS.paintImageMaskXObject:
+            this.paintImageMaskXObject(args[0]);
+            break;
+
+          case _util.OPS.paintFormXObjectBegin:
+            this.paintFormXObjectBegin(args[0], args[1]);
+            break;
+
+          case _util.OPS.paintFormXObjectEnd:
+            this.paintFormXObjectEnd();
+            break;
+
+          case _util.OPS.closePath:
+            this.closePath();
+            break;
+
+          case _util.OPS.closeStroke:
+            this.closeStroke();
+            break;
+
+          case _util.OPS.closeFillStroke:
+            this.closeFillStroke();
+            break;
+
+          case _util.OPS.closeEOFillStroke:
+            this.closeEOFillStroke();
+            break;
+
+          case _util.OPS.nextLine:
+            this.nextLine();
+            break;
+
+          case _util.OPS.transform:
+            this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.constructPath:
+            this.constructPath(args[0], args[1]);
+            break;
+
+          case _util.OPS.endPath:
+            this.endPath();
+            break;
+
+          case 92:
+            this.group(opTreeElement.items);
+            break;
+
+          default:
+            (0, _util.warn)(`Unimplemented operator ${fn}`);
+            break;
+        }
+      }
+    }
+
+    setWordSpacing(wordSpacing) {
+      this.current.wordSpacing = wordSpacing;
+    }
+
+    setCharSpacing(charSpacing) {
+      this.current.charSpacing = charSpacing;
+    }
+
+    nextLine() {
+      this.moveText(0, this.current.leading);
+    }
+
+    setTextMatrix(a, b, c, d, e, f) {
+      const current = this.current;
+      current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
+      current.textMatrixScale = Math.sqrt(a * a + b * b);
+      current.x = current.lineX = 0;
+      current.y = current.lineY = 0;
+      current.xcoords = [];
+      current.ycoords = [];
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      current.txtElement = this.svgFactory.createElement("svg:text");
+      current.txtElement.appendChild(current.tspan);
+    }
+
+    beginText() {
+      const current = this.current;
+      current.x = current.lineX = 0;
+      current.y = current.lineY = 0;
+      current.textMatrix = _util.IDENTITY_MATRIX;
+      current.lineMatrix = _util.IDENTITY_MATRIX;
+      current.textMatrixScale = 1;
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.txtElement = this.svgFactory.createElement("svg:text");
+      current.txtgrp = this.svgFactory.createElement("svg:g");
+      current.xcoords = [];
+      current.ycoords = [];
+    }
+
+    moveText(x, y) {
+      const current = this.current;
+      current.x = current.lineX += x;
+      current.y = current.lineY += y;
+      current.xcoords = [];
+      current.ycoords = [];
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+    }
+
+    showText(glyphs) {
+      const current = this.current;
+      const font = current.font;
+      const fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return;
+      }
+
+      const fontSizeScale = current.fontSizeScale;
+      const charSpacing = current.charSpacing;
+      const wordSpacing = current.wordSpacing;
+      const fontDirection = current.fontDirection;
+      const textHScale = current.textHScale * fontDirection;
+      const vertical = font.vertical;
+      const spacingDir = vertical ? 1 : -1;
+      const defaultVMetrics = font.defaultVMetrics;
+      const widthAdvanceScale = fontSize * current.fontMatrix[0];
+      let x = 0;
+
+      for (const glyph of glyphs) {
+        if (glyph === null) {
+          x += fontDirection * wordSpacing;
+          continue;
+        } else if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        const character = glyph.fontChar;
+        let scaledX, scaledY;
+        let width = glyph.width;
+
+        if (vertical) {
+          let vx;
+          const vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          const vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (glyph.isInFont || font.missingFile) {
+          current.xcoords.push(current.x + scaledX);
+
+          if (vertical) {
+            current.ycoords.push(-current.y + scaledY);
+          }
+
+          current.tspan.textContent += character;
+        } else {}
+
+        let charWidth;
+
+        if (vertical) {
+          charWidth = width * widthAdvanceScale - spacing * fontDirection;
+        } else {
+          charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        }
+
+        x += charWidth;
+      }
+
+      current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
+
+      if (vertical) {
+        current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
+      } else {
+        current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      }
+
+      if (vertical) {
+        current.y -= x;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+
+      if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+        current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
+      }
+
+      if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+        current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
+      }
+
+      const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+      if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+        if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+          current.tspan.setAttributeNS(null, "fill", current.fillColor);
+        }
+
+        if (current.fillAlpha < 1) {
+          current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+        }
+      } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
+        current.tspan.setAttributeNS(null, "fill", "transparent");
+      } else {
+        current.tspan.setAttributeNS(null, "fill", "none");
+      }
+
+      if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+        const lineWidthScale = 1 / (current.textMatrixScale || 1);
+
+        this._setStrokeAttributes(current.tspan, lineWidthScale);
+      }
+
+      let textMatrix = current.textMatrix;
+
+      if (current.textRise !== 0) {
+        textMatrix = textMatrix.slice();
+        textMatrix[5] += current.textRise;
+      }
+
+      current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
+      current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
+      current.txtElement.appendChild(current.tspan);
+      current.txtgrp.appendChild(current.txtElement);
+
+      this._ensureTransformGroup().appendChild(current.txtElement);
+    }
+
+    setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    }
+
+    addFontStyle(fontObj) {
+      if (!fontObj.data) {
+        throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
+      }
+
+      if (!this.cssStyle) {
+        this.cssStyle = this.svgFactory.createElement("svg:style");
+        this.cssStyle.setAttributeNS(null, "type", "text/css");
+        this.defs.appendChild(this.cssStyle);
+      }
+
+      const url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
+      this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
+    }
+
+    setFont(details) {
+      const current = this.current;
+      const fontObj = this.commonObjs.get(details[0]);
+      let size = details[1];
+      current.font = fontObj;
+
+      if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
+        this.addFontStyle(fontObj);
+        this.embeddedFonts[fontObj.loadedName] = fontObj;
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+      let bold = "normal";
+
+      if (fontObj.black) {
+        bold = "900";
+      } else if (fontObj.bold) {
+        bold = "bold";
+      }
+
+      const italic = fontObj.italic ? "italic" : "normal";
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      current.fontSize = size;
+      current.fontFamily = fontObj.loadedName;
+      current.fontWeight = bold;
+      current.fontStyle = italic;
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      current.xcoords = [];
+      current.ycoords = [];
+    }
+
+    endText() {
+      const current = this.current;
+
+      if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
+        current.element = current.txtElement;
+        this.clip("nonzero");
+        this.endPath();
+      }
+    }
+
+    setLineWidth(width) {
+      if (width > 0) {
+        this.current.lineWidth = width;
+      }
+    }
+
+    setLineCap(style) {
+      this.current.lineCap = LINE_CAP_STYLES[style];
+    }
+
+    setLineJoin(style) {
+      this.current.lineJoin = LINE_JOIN_STYLES[style];
+    }
+
+    setMiterLimit(limit) {
+      this.current.miterLimit = limit;
+    }
+
+    setStrokeAlpha(strokeAlpha) {
+      this.current.strokeAlpha = strokeAlpha;
+    }
+
+    setStrokeRGBColor(r, g, b) {
+      this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
+    }
+
+    setFillAlpha(fillAlpha) {
+      this.current.fillAlpha = fillAlpha;
+    }
+
+    setFillRGBColor(r, g, b) {
+      this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
+      this.current.tspan = this.svgFactory.createElement("svg:tspan");
+      this.current.xcoords = [];
+      this.current.ycoords = [];
+    }
+
+    setStrokeColorN(args) {
+      this.current.strokeColor = this._makeColorN_Pattern(args);
+    }
+
+    setFillColorN(args) {
+      this.current.fillColor = this._makeColorN_Pattern(args);
+    }
+
+    shadingFill(args) {
+      const width = this.viewport.width;
+      const height = this.viewport.height;
+
+      const inv = _util.Util.inverseTransform(this.transformMatrix);
+
+      const bl = _util.Util.applyTransform([0, 0], inv);
+
+      const br = _util.Util.applyTransform([0, height], inv);
+
+      const ul = _util.Util.applyTransform([width, 0], inv);
+
+      const ur = _util.Util.applyTransform([width, height], inv);
+
+      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", x0);
+      rect.setAttributeNS(null, "y", y0);
+      rect.setAttributeNS(null, "width", x1 - x0);
+      rect.setAttributeNS(null, "height", y1 - y0);
+      rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
+
+      if (this.current.fillAlpha < 1) {
+        rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
+      }
+
+      this._ensureTransformGroup().appendChild(rect);
+    }
+
+    _makeColorN_Pattern(args) {
+      if (args[0] === "TilingPattern") {
+        return this._makeTilingPattern(args);
+      }
+
+      return this._makeShadingPattern(args);
+    }
+
+    _makeTilingPattern(args) {
+      const color = args[1];
+      const operatorList = args[2];
+      const matrix = args[3] || _util.IDENTITY_MATRIX;
+      const [x0, y0, x1, y1] = args[4];
+      const xstep = args[5];
+      const ystep = args[6];
+      const paintType = args[7];
+      const tilingId = `shading${shadingCount++}`;
+
+      const [tx0, ty0] = _util.Util.applyTransform([x0, y0], matrix);
+
+      const [tx1, ty1] = _util.Util.applyTransform([x1, y1], matrix);
+
+      const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
+
+      const txstep = xstep * xscale;
+      const tystep = ystep * yscale;
+      const tiling = this.svgFactory.createElement("svg:pattern");
+      tiling.setAttributeNS(null, "id", tilingId);
+      tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
+      tiling.setAttributeNS(null, "width", txstep);
+      tiling.setAttributeNS(null, "height", tystep);
+      tiling.setAttributeNS(null, "x", `${tx0}`);
+      tiling.setAttributeNS(null, "y", `${ty0}`);
+      const svg = this.svg;
+      const transformMatrix = this.transformMatrix;
+      const fillColor = this.current.fillColor;
+      const strokeColor = this.current.strokeColor;
+      const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
+      this.svg = bbox;
+      this.transformMatrix = matrix;
+
+      if (paintType === 2) {
+        const cssColor = _util.Util.makeCssRgb(...color);
+
+        this.current.fillColor = cssColor;
+        this.current.strokeColor = cssColor;
+      }
+
+      this.executeOpTree(this.convertOpList(operatorList));
+      this.svg = svg;
+      this.transformMatrix = transformMatrix;
+      this.current.fillColor = fillColor;
+      this.current.strokeColor = strokeColor;
+      tiling.appendChild(bbox.childNodes[0]);
+      this.defs.appendChild(tiling);
+      return `url(#${tilingId})`;
+    }
+
+    _makeShadingPattern(args) {
+      switch (args[0]) {
+        case "RadialAxial":
+          const shadingId = `shading${shadingCount++}`;
+          const colorStops = args[3];
+          let gradient;
+
+          switch (args[1]) {
+            case "axial":
+              const point0 = args[4];
+              const point1 = args[5];
+              gradient = this.svgFactory.createElement("svg:linearGradient");
+              gradient.setAttributeNS(null, "id", shadingId);
+              gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+              gradient.setAttributeNS(null, "x1", point0[0]);
+              gradient.setAttributeNS(null, "y1", point0[1]);
+              gradient.setAttributeNS(null, "x2", point1[0]);
+              gradient.setAttributeNS(null, "y2", point1[1]);
+              break;
+
+            case "radial":
+              const focalPoint = args[4];
+              const circlePoint = args[5];
+              const focalRadius = args[6];
+              const circleRadius = args[7];
+              gradient = this.svgFactory.createElement("svg:radialGradient");
+              gradient.setAttributeNS(null, "id", shadingId);
+              gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+              gradient.setAttributeNS(null, "cx", circlePoint[0]);
+              gradient.setAttributeNS(null, "cy", circlePoint[1]);
+              gradient.setAttributeNS(null, "r", circleRadius);
+              gradient.setAttributeNS(null, "fx", focalPoint[0]);
+              gradient.setAttributeNS(null, "fy", focalPoint[1]);
+              gradient.setAttributeNS(null, "fr", focalRadius);
+              break;
+
+            default:
+              throw new Error(`Unknown RadialAxial type: ${args[1]}`);
+          }
+
+          for (const colorStop of colorStops) {
+            const stop = this.svgFactory.createElement("svg:stop");
+            stop.setAttributeNS(null, "offset", colorStop[0]);
+            stop.setAttributeNS(null, "stop-color", colorStop[1]);
+            gradient.appendChild(stop);
+          }
+
+          this.defs.appendChild(gradient);
+          return `url(#${shadingId})`;
+
+        case "Mesh":
+          (0, _util.warn)("Unimplemented pattern Mesh");
+          return null;
+
+        case "Dummy":
+          return "hotpink";
+
+        default:
+          throw new Error(`Unknown IR type: ${args[0]}`);
+      }
+    }
+
+    setDash(dashArray, dashPhase) {
+      this.current.dashArray = dashArray;
+      this.current.dashPhase = dashPhase;
+    }
+
+    constructPath(ops, args) {
+      const current = this.current;
+      let x = current.x,
+          y = current.y;
+      let d = [];
+      let j = 0;
+
+      for (const op of ops) {
+        switch (op | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            const width = args[j++];
+            const height = args[j++];
+            const xw = x + width;
+            const yh = y + height;
+            d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            d.push("M", pf(x), pf(y));
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            d.push("L", pf(x), pf(y));
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            d.push("Z");
+            break;
+        }
+      }
+
+      d = d.join(" ");
+
+      if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
+        d = current.path.getAttributeNS(null, "d") + d;
+      } else {
+        current.path = this.svgFactory.createElement("svg:path");
+
+        this._ensureTransformGroup().appendChild(current.path);
+      }
+
+      current.path.setAttributeNS(null, "d", d);
+      current.path.setAttributeNS(null, "fill", "none");
+      current.element = current.path;
+      current.setCurrentPoint(x, y);
+    }
+
+    endPath() {
+      const current = this.current;
+      current.path = null;
+
+      if (!this.pendingClip) {
+        return;
+      }
+
+      if (!current.element) {
+        this.pendingClip = null;
+        return;
+      }
+
+      const clipId = `clippath${clipCount++}`;
+      const clipPath = this.svgFactory.createElement("svg:clipPath");
+      clipPath.setAttributeNS(null, "id", clipId);
+      clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
+      const clipElement = current.element.cloneNode(true);
+
+      if (this.pendingClip === "evenodd") {
+        clipElement.setAttributeNS(null, "clip-rule", "evenodd");
+      } else {
+        clipElement.setAttributeNS(null, "clip-rule", "nonzero");
+      }
+
+      this.pendingClip = null;
+      clipPath.appendChild(clipElement);
+      this.defs.appendChild(clipPath);
+
+      if (current.activeClipUrl) {
+        current.clipGroup = null;
+        this.extraStack.forEach(function (prev) {
+          prev.clipGroup = null;
+        });
+        clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
+      }
+
+      current.activeClipUrl = `url(#${clipId})`;
+      this.tgrp = null;
+    }
+
+    clip(type) {
+      this.pendingClip = type;
+    }
+
+    closePath() {
+      const current = this.current;
+
+      if (current.path) {
+        const d = `${current.path.getAttributeNS(null, "d")}Z`;
+        current.path.setAttributeNS(null, "d", d);
+      }
+    }
+
+    setLeading(leading) {
+      this.current.leading = -leading;
+    }
+
+    setTextRise(textRise) {
+      this.current.textRise = textRise;
+    }
+
+    setTextRenderingMode(textRenderingMode) {
+      this.current.textRenderingMode = textRenderingMode;
+    }
+
+    setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    }
+
+    setRenderingIntent(intent) {}
+
+    setFlatness(flatness) {}
+
+    setGState(states) {
+      for (const [key, value] of states) {
+        switch (key) {
+          case "LW":
+            this.setLineWidth(value);
+            break;
+
+          case "LC":
+            this.setLineCap(value);
+            break;
+
+          case "LJ":
+            this.setLineJoin(value);
+            break;
+
+          case "ML":
+            this.setMiterLimit(value);
+            break;
+
+          case "D":
+            this.setDash(value[0], value[1]);
+            break;
+
+          case "RI":
+            this.setRenderingIntent(value);
+            break;
+
+          case "FL":
+            this.setFlatness(value);
+            break;
+
+          case "Font":
+            this.setFont(value);
+            break;
+
+          case "CA":
+            this.setStrokeAlpha(value);
+            break;
+
+          case "ca":
+            this.setFillAlpha(value);
+            break;
+
+          default:
+            (0, _util.warn)(`Unimplemented graphic state operator ${key}`);
+            break;
+        }
+      }
+    }
+
+    fill() {
+      const current = this.current;
+
+      if (current.element) {
+        current.element.setAttributeNS(null, "fill", current.fillColor);
+        current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+        this.endPath();
+      }
+    }
+
+    stroke() {
+      const current = this.current;
+
+      if (current.element) {
+        this._setStrokeAttributes(current.element);
+
+        current.element.setAttributeNS(null, "fill", "none");
+        this.endPath();
+      }
+    }
+
+    _setStrokeAttributes(element, lineWidthScale = 1) {
+      const current = this.current;
+      let dashArray = current.dashArray;
+
+      if (lineWidthScale !== 1 && dashArray.length > 0) {
+        dashArray = dashArray.map(function (value) {
+          return lineWidthScale * value;
+        });
+      }
+
+      element.setAttributeNS(null, "stroke", current.strokeColor);
+      element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
+      element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
+      element.setAttributeNS(null, "stroke-linecap", current.lineCap);
+      element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
+      element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
+      element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
+      element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
+    }
+
+    eoFill() {
+      if (this.current.element) {
+        this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+      }
+
+      this.fill();
+    }
+
+    fillStroke() {
+      this.stroke();
+      this.fill();
+    }
+
+    eoFillStroke() {
+      if (this.current.element) {
+        this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+      }
+
+      this.fillStroke();
+    }
+
+    closeStroke() {
+      this.closePath();
+      this.stroke();
+    }
+
+    closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    }
+
+    closeEOFillStroke() {
+      this.closePath();
+      this.eoFillStroke();
+    }
+
+    paintSolidColorImageMask() {
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", "0");
+      rect.setAttributeNS(null, "y", "0");
+      rect.setAttributeNS(null, "width", "1px");
+      rect.setAttributeNS(null, "height", "1px");
+      rect.setAttributeNS(null, "fill", this.current.fillColor);
+
+      this._ensureTransformGroup().appendChild(rect);
+    }
+
+    paintImageXObject(objId) {
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    }
+
+    paintInlineImageXObject(imgData, mask) {
+      const width = imgData.width;
+      const height = imgData.height;
+      const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
+      const cliprect = this.svgFactory.createElement("svg:rect");
+      cliprect.setAttributeNS(null, "x", "0");
+      cliprect.setAttributeNS(null, "y", "0");
+      cliprect.setAttributeNS(null, "width", pf(width));
+      cliprect.setAttributeNS(null, "height", pf(height));
+      this.current.element = cliprect;
+      this.clip("nonzero");
+      const imgEl = this.svgFactory.createElement("svg:image");
+      imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
+      imgEl.setAttributeNS(null, "x", "0");
+      imgEl.setAttributeNS(null, "y", pf(-height));
+      imgEl.setAttributeNS(null, "width", pf(width) + "px");
+      imgEl.setAttributeNS(null, "height", pf(height) + "px");
+      imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
+
+      if (mask) {
+        mask.appendChild(imgEl);
+      } else {
+        this._ensureTransformGroup().appendChild(imgEl);
+      }
+    }
+
+    paintImageMaskXObject(imgData) {
+      const current = this.current;
+      const width = imgData.width;
+      const height = imgData.height;
+      const fillColor = current.fillColor;
+      current.maskId = `mask${maskCount++}`;
+      const mask = this.svgFactory.createElement("svg:mask");
+      mask.setAttributeNS(null, "id", current.maskId);
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", "0");
+      rect.setAttributeNS(null, "y", "0");
+      rect.setAttributeNS(null, "width", pf(width));
+      rect.setAttributeNS(null, "height", pf(height));
+      rect.setAttributeNS(null, "fill", fillColor);
+      rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
+      this.defs.appendChild(mask);
+
+      this._ensureTransformGroup().appendChild(rect);
+
+      this.paintInlineImageXObject(imgData, mask);
+    }
+
+    paintFormXObjectBegin(matrix, bbox) {
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
+      }
+
+      if (bbox) {
+        const width = bbox[2] - bbox[0];
+        const height = bbox[3] - bbox[1];
+        const cliprect = this.svgFactory.createElement("svg:rect");
+        cliprect.setAttributeNS(null, "x", bbox[0]);
+        cliprect.setAttributeNS(null, "y", bbox[1]);
+        cliprect.setAttributeNS(null, "width", pf(width));
+        cliprect.setAttributeNS(null, "height", pf(height));
+        this.current.element = cliprect;
+        this.clip("nonzero");
+        this.endPath();
+      }
+    }
+
+    paintFormXObjectEnd() {}
+
+    _initialize(viewport) {
+      const svg = this.svgFactory.create(viewport.width, viewport.height);
+      const definitions = this.svgFactory.createElement("svg:defs");
+      svg.appendChild(definitions);
+      this.defs = definitions;
+      const rootGroup = this.svgFactory.createElement("svg:g");
+      rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
+      svg.appendChild(rootGroup);
+      this.svg = rootGroup;
+      return svg;
+    }
+
+    _ensureClipGroup() {
+      if (!this.current.clipGroup) {
+        const clipGroup = this.svgFactory.createElement("svg:g");
+        clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
+        this.svg.appendChild(clipGroup);
+        this.current.clipGroup = clipGroup;
+      }
+
+      return this.current.clipGroup;
+    }
+
+    _ensureTransformGroup() {
+      if (!this.tgrp) {
+        this.tgrp = this.svgFactory.createElement("svg:g");
+        this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
+
+        if (this.current.activeClipUrl) {
+          this._ensureClipGroup().appendChild(this.tgrp);
+        } else {
+          this.svg.appendChild(this.tgrp);
+        }
+      }
+
+      return this.tgrp;
+    }
+
+  };
+}
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNodeStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _network_utils = __w_pdfjs_require__(23);
+
+;
+
+const fs = require("fs");
+
+const http = require("http");
+
+const https = require("https");
+
+const url = require("url");
+
+const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
+
+function parseUrl(sourceUrl) {
+  const parsedUrl = url.parse(sourceUrl);
+
+  if (parsedUrl.protocol === "file:" || parsedUrl.host) {
+    return parsedUrl;
+  }
+
+  if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
+    return url.parse(`file:///${sourceUrl}`);
+  }
+
+  if (!parsedUrl.host) {
+    parsedUrl.protocol = "file:";
+  }
+
+  return parsedUrl;
+}
+
+class PDFNodeStream {
+  constructor(source) {
+    this.source = source;
+    this.url = parseUrl(source.url);
+    this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
+    this.isFsUrl = this.url.protocol === "file:";
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
+    this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(start, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
+
+    this._rangeRequestReaders.push(rangeReader);
+
+    return rangeReader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFNodeStream = PDFNodeStream;
+
+class BaseFullReader {
+  constructor(stream) {
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    const source = stream.source;
+    this._contentLength = source.length;
+    this._loaded = 0;
+    this._filename = null;
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._headersCapability = (0, _util.createPromiseCapability)();
+  }
+
+  get headersReady() {
+    return this._headersCapability.promise;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    const chunk = this._readableStream.read();
+
+    if (chunk === null) {
+      this._readCapability = (0, _util.createPromiseCapability)();
+      return this.read();
+    }
+
+    this._loaded += chunk.length;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded,
+        total: this._contentLength
+      });
+    }
+
+    const buffer = new Uint8Array(chunk).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (!this._readableStream) {
+      this._error(reason);
+
+      return;
+    }
+
+    this._readableStream.destroy(reason);
+  }
+
+  _error(reason) {
+    this._storedError = reason;
+
+    this._readCapability.resolve();
+  }
+
+  _setReadableStream(readableStream) {
+    this._readableStream = readableStream;
+    readableStream.on("readable", () => {
+      this._readCapability.resolve();
+    });
+    readableStream.on("end", () => {
+      readableStream.destroy();
+      this._done = true;
+
+      this._readCapability.resolve();
+    });
+    readableStream.on("error", reason => {
+      this._error(reason);
+    });
+
+    if (!this._isStreamingSupported && this._isRangeSupported) {
+      this._error(new _util.AbortException("streaming is disabled"));
+    }
+
+    if (this._storedError) {
+      this._readableStream.destroy(this._storedError);
+    }
+  }
+
+}
+
+class BaseRangeReader {
+  constructor(stream) {
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    this._loaded = 0;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    const source = stream.source;
+    this._isStreamingSupported = !source.disableStream;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    const chunk = this._readableStream.read();
+
+    if (chunk === null) {
+      this._readCapability = (0, _util.createPromiseCapability)();
+      return this.read();
+    }
+
+    this._loaded += chunk.length;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded
+      });
+    }
+
+    const buffer = new Uint8Array(chunk).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (!this._readableStream) {
+      this._error(reason);
+
+      return;
+    }
+
+    this._readableStream.destroy(reason);
+  }
+
+  _error(reason) {
+    this._storedError = reason;
+
+    this._readCapability.resolve();
+  }
+
+  _setReadableStream(readableStream) {
+    this._readableStream = readableStream;
+    readableStream.on("readable", () => {
+      this._readCapability.resolve();
+    });
+    readableStream.on("end", () => {
+      readableStream.destroy();
+      this._done = true;
+
+      this._readCapability.resolve();
+    });
+    readableStream.on("error", reason => {
+      this._error(reason);
+    });
+
+    if (this._storedError) {
+      this._readableStream.destroy(this._storedError);
+    }
+  }
+
+}
+
+function createRequestOptions(parsedUrl, headers) {
+  return {
+    protocol: parsedUrl.protocol,
+    auth: parsedUrl.auth,
+    host: parsedUrl.hostname,
+    port: parsedUrl.port,
+    path: parsedUrl.path,
+    method: "GET",
+    headers
+  };
+}
+
+class PDFNodeStreamFullReader extends BaseFullReader {
+  constructor(stream) {
+    super(stream);
+
+    const handleResponse = response => {
+      if (response.statusCode === 404) {
+        const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+        this._storedError = error;
+
+        this._headersCapability.reject(error);
+
+        return;
+      }
+
+      this._headersCapability.resolve();
+
+      this._setReadableStream(response);
+
+      const getResponseHeader = name => {
+        return this._readableStream.headers[name.toLowerCase()];
+      };
+
+      const {
+        allowRangeRequests,
+        suggestedLength
+      } = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader,
+        isHttp: stream.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      });
+      this._isRangeSupported = allowRangeRequests;
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+    };
+
+    this._request = null;
+
+    if (this._url.protocol === "http:") {
+      this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+    } else {
+      this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+    }
+
+    this._request.on("error", reason => {
+      this._storedError = reason;
+
+      this._headersCapability.reject(reason);
+    });
+
+    this._request.end();
+  }
+
+}
+
+class PDFNodeStreamRangeReader extends BaseRangeReader {
+  constructor(stream, start, end) {
+    super(stream);
+    this._httpHeaders = {};
+
+    for (const property in stream.httpHeaders) {
+      const value = stream.httpHeaders[property];
+
+      if (typeof value === "undefined") {
+        continue;
+      }
+
+      this._httpHeaders[property] = value;
+    }
+
+    this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
+
+    const handleResponse = response => {
+      if (response.statusCode === 404) {
+        const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+        this._storedError = error;
+        return;
+      }
+
+      this._setReadableStream(response);
+    };
+
+    this._request = null;
+
+    if (this._url.protocol === "http:") {
+      this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+    } else {
+      this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+    }
+
+    this._request.on("error", reason => {
+      this._storedError = reason;
+    });
+
+    this._request.end();
+  }
+
+}
+
+class PDFNodeStreamFsFullReader extends BaseFullReader {
+  constructor(stream) {
+    super(stream);
+    let path = decodeURIComponent(this._url.path);
+
+    if (fileUriRegex.test(this._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    fs.lstat(path, (error, stat) => {
+      if (error) {
+        if (error.code === "ENOENT") {
+          error = new _util.MissingPDFException(`Missing PDF "${path}".`);
+        }
+
+        this._storedError = error;
+
+        this._headersCapability.reject(error);
+
+        return;
+      }
+
+      this._contentLength = stat.size;
+
+      this._setReadableStream(fs.createReadStream(path));
+
+      this._headersCapability.resolve();
+    });
+  }
+
+}
+
+class PDFNodeStreamFsRangeReader extends BaseRangeReader {
+  constructor(stream, start, end) {
+    super(stream);
+    let path = decodeURIComponent(this._url.path);
+
+    if (fileUriRegex.test(this._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    this._setReadableStream(fs.createReadStream(path, {
+      start,
+      end: end - 1
+    }));
+  }
+
+}
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createResponseStatusError = createResponseStatusError;
+exports.extractFilenameFromHeader = extractFilenameFromHeader;
+exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
+exports.validateResponseStatus = validateResponseStatus;
+
+var _util = __w_pdfjs_require__(2);
+
+var _content_disposition = __w_pdfjs_require__(24);
+
+function validateRangeRequestCapabilities({
+  getResponseHeader,
+  isHttp,
+  rangeChunkSize,
+  disableRange
+}) {
+  (0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
+  const returnValues = {
+    allowRangeRequests: false,
+    suggestedLength: undefined
+  };
+  const length = parseInt(getResponseHeader("Content-Length"), 10);
+
+  if (!Number.isInteger(length)) {
+    return returnValues;
+  }
+
+  returnValues.suggestedLength = length;
+
+  if (length <= 2 * rangeChunkSize) {
+    return returnValues;
+  }
+
+  if (disableRange || !isHttp) {
+    return returnValues;
+  }
+
+  if (getResponseHeader("Accept-Ranges") !== "bytes") {
+    return returnValues;
+  }
+
+  const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
+
+  if (contentEncoding !== "identity") {
+    return returnValues;
+  }
+
+  returnValues.allowRangeRequests = true;
+  return returnValues;
+}
+
+function extractFilenameFromHeader(getResponseHeader) {
+  const contentDisposition = getResponseHeader("Content-Disposition");
+
+  if (contentDisposition) {
+    let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
+
+    if (filename.includes("%")) {
+      try {
+        filename = decodeURIComponent(filename);
+      } catch (ex) {}
+    }
+
+    if (/\.pdf$/i.test(filename)) {
+      return filename;
+    }
+  }
+
+  return null;
+}
+
+function createResponseStatusError(status, url) {
+  if (status === 404 || status === 0 && url.startsWith("file:")) {
+    return new _util.MissingPDFException('Missing PDF "' + url + '".');
+  }
+
+  return new _util.UnexpectedResponseException("Unexpected server response (" + status + ') while retrieving PDF "' + url + '".', status);
+}
+
+function validateResponseStatus(status) {
+  return status === 200 || status === 206;
+}
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
+
+function getFilenameFromContentDispositionHeader(contentDisposition) {
+  let needsEncodingFixup = true;
+  let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    let filename = rfc2616unquote(tmp);
+    filename = unescape(filename);
+    filename = rfc5987decode(filename);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  tmp = rfc2231getparam(contentDisposition);
+
+  if (tmp) {
+    const filename = rfc2047decode(tmp);
+    return fixupEncoding(filename);
+  }
+
+  tmp = toParamRegExp("filename", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    let filename = rfc2616unquote(tmp);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  function toParamRegExp(attributePattern, flags) {
+    return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
+  }
+
+  function textdecode(encoding, value) {
+    if (encoding) {
+      if (!/^[\x00-\xFF]+$/.test(value)) {
+        return value;
+      }
+
+      try {
+        const decoder = new TextDecoder(encoding, {
+          fatal: true
+        });
+        const bytes = Array.from(value, function (ch) {
+          return ch.charCodeAt(0) & 0xff;
+        });
+        value = decoder.decode(new Uint8Array(bytes));
+        needsEncodingFixup = false;
+      } catch (e) {
+        if (/^utf-?8$/i.test(encoding)) {
+          try {
+            value = decodeURIComponent(escape(value));
+            needsEncodingFixup = false;
+          } catch (err) {}
+        }
+      }
+    }
+
+    return value;
+  }
+
+  function fixupEncoding(value) {
+    if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
+      value = textdecode("utf-8", value);
+
+      if (needsEncodingFixup) {
+        value = textdecode("iso-8859-1", value);
+      }
+    }
+
+    return value;
+  }
+
+  function rfc2231getparam(contentDispositionStr) {
+    const matches = [];
+    let match;
+    const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
+
+    while ((match = iter.exec(contentDispositionStr)) !== null) {
+      let [, n, quot, part] = match;
+      n = parseInt(n, 10);
+
+      if (n in matches) {
+        if (n === 0) {
+          break;
+        }
+
+        continue;
+      }
+
+      matches[n] = [quot, part];
+    }
+
+    const parts = [];
+
+    for (let n = 0; n < matches.length; ++n) {
+      if (!(n in matches)) {
+        break;
+      }
+
+      let [quot, part] = matches[n];
+      part = rfc2616unquote(part);
+
+      if (quot) {
+        part = unescape(part);
+
+        if (n === 0) {
+          part = rfc5987decode(part);
+        }
+      }
+
+      parts.push(part);
+    }
+
+    return parts.join("");
+  }
+
+  function rfc2616unquote(value) {
+    if (value.startsWith('"')) {
+      const parts = value.slice(1).split('\\"');
+
+      for (let i = 0; i < parts.length; ++i) {
+        const quotindex = parts[i].indexOf('"');
+
+        if (quotindex !== -1) {
+          parts[i] = parts[i].slice(0, quotindex);
+          parts.length = i + 1;
+        }
+
+        parts[i] = parts[i].replace(/\\(.)/g, "$1");
+      }
+
+      value = parts.join('"');
+    }
+
+    return value;
+  }
+
+  function rfc5987decode(extvalue) {
+    const encodingend = extvalue.indexOf("'");
+
+    if (encodingend === -1) {
+      return extvalue;
+    }
+
+    const encoding = extvalue.slice(0, encodingend);
+    const langvalue = extvalue.slice(encodingend + 1);
+    const value = langvalue.replace(/^[^']*'/, "");
+    return textdecode(encoding, value);
+  }
+
+  function rfc2047decode(value) {
+    if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
+      return value;
+    }
+
+    return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
+      if (encoding === "q" || encoding === "Q") {
+        text = text.replace(/_/g, " ");
+        text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
+          return String.fromCharCode(parseInt(hex, 16));
+        });
+        return textdecode(charset, text);
+      }
+
+      try {
+        text = atob(text);
+      } catch (e) {}
+
+      return textdecode(charset, text);
+    });
+  }
+
+  return "";
+}
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNetworkStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _network_utils = __w_pdfjs_require__(23);
+
+;
+const OK_RESPONSE = 200;
+const PARTIAL_CONTENT_RESPONSE = 206;
+
+function getArrayBuffer(xhr) {
+  const data = xhr.response;
+
+  if (typeof data !== "string") {
+    return data;
+  }
+
+  const array = (0, _util.stringToBytes)(data);
+  return array.buffer;
+}
+
+class NetworkManager {
+  constructor(url, args) {
+    this.url = url;
+    args = args || {};
+    this.isHttp = /^https?:/i.test(url);
+    this.httpHeaders = this.isHttp && args.httpHeaders || {};
+    this.withCredentials = args.withCredentials || false;
+
+    this.getXhr = args.getXhr || function NetworkManager_getXhr() {
+      return new XMLHttpRequest();
+    };
+
+    this.currXhrId = 0;
+    this.pendingRequests = Object.create(null);
+  }
+
+  requestRange(begin, end, listeners) {
+    const args = {
+      begin,
+      end
+    };
+
+    for (const prop in listeners) {
+      args[prop] = listeners[prop];
+    }
+
+    return this.request(args);
+  }
+
+  requestFull(listeners) {
+    return this.request(listeners);
+  }
+
+  request(args) {
+    const xhr = this.getXhr();
+    const xhrId = this.currXhrId++;
+    const pendingRequest = this.pendingRequests[xhrId] = {
+      xhr
+    };
+    xhr.open("GET", this.url);
+    xhr.withCredentials = this.withCredentials;
+
+    for (const property in this.httpHeaders) {
+      const value = this.httpHeaders[property];
+
+      if (typeof value === "undefined") {
+        continue;
+      }
+
+      xhr.setRequestHeader(property, value);
+    }
+
+    if (this.isHttp && "begin" in args && "end" in args) {
+      xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
+      pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
+    } else {
+      pendingRequest.expectedStatus = OK_RESPONSE;
+    }
+
+    xhr.responseType = "arraybuffer";
+
+    if (args.onError) {
+      xhr.onerror = function (evt) {
+        args.onError(xhr.status);
+      };
+    }
+
+    xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
+    xhr.onprogress = this.onProgress.bind(this, xhrId);
+    pendingRequest.onHeadersReceived = args.onHeadersReceived;
+    pendingRequest.onDone = args.onDone;
+    pendingRequest.onError = args.onError;
+    pendingRequest.onProgress = args.onProgress;
+    xhr.send(null);
+    return xhrId;
+  }
+
+  onProgress(xhrId, evt) {
+    const pendingRequest = this.pendingRequests[xhrId];
+
+    if (!pendingRequest) {
+      return;
+    }
+
+    if (pendingRequest.onProgress) {
+      pendingRequest.onProgress(evt);
+    }
+  }
+
+  onStateChange(xhrId, evt) {
+    const pendingRequest = this.pendingRequests[xhrId];
+
+    if (!pendingRequest) {
+      return;
+    }
+
+    const xhr = pendingRequest.xhr;
+
+    if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
+      pendingRequest.onHeadersReceived();
+      delete pendingRequest.onHeadersReceived;
+    }
+
+    if (xhr.readyState !== 4) {
+      return;
+    }
+
+    if (!(xhrId in this.pendingRequests)) {
+      return;
+    }
+
+    delete this.pendingRequests[xhrId];
+
+    if (xhr.status === 0 && this.isHttp) {
+      if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+
+      return;
+    }
+
+    const xhrStatus = xhr.status || OK_RESPONSE;
+    const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
+
+    if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
+      if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+
+      return;
+    }
+
+    const chunk = getArrayBuffer(xhr);
+
+    if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
+      const rangeHeader = xhr.getResponseHeader("Content-Range");
+      const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
+      pendingRequest.onDone({
+        begin: parseInt(matches[1], 10),
+        chunk
+      });
+    } else if (chunk) {
+      pendingRequest.onDone({
+        begin: 0,
+        chunk
+      });
+    } else if (pendingRequest.onError) {
+      pendingRequest.onError(xhr.status);
+    }
+  }
+
+  getRequestXhr(xhrId) {
+    return this.pendingRequests[xhrId].xhr;
+  }
+
+  isPendingRequest(xhrId) {
+    return xhrId in this.pendingRequests;
+  }
+
+  abortRequest(xhrId) {
+    const xhr = this.pendingRequests[xhrId].xhr;
+    delete this.pendingRequests[xhrId];
+    xhr.abort();
+  }
+
+}
+
+class PDFNetworkStream {
+  constructor(source) {
+    this._source = source;
+    this._manager = new NetworkManager(source.url, {
+      httpHeaders: source.httpHeaders,
+      withCredentials: source.withCredentials
+    });
+    this._rangeChunkSize = source.rangeChunkSize;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _onRangeRequestReaderClosed(reader) {
+    const i = this._rangeRequestReaders.indexOf(reader);
+
+    if (i >= 0) {
+      this._rangeRequestReaders.splice(i, 1);
+    }
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
+    reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFNetworkStream = PDFNetworkStream;
+
+class PDFNetworkStreamFullRequestReader {
+  constructor(manager, source) {
+    this._manager = manager;
+    const args = {
+      onHeadersReceived: this._onHeadersReceived.bind(this),
+      onDone: this._onDone.bind(this),
+      onError: this._onError.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._url = source.url;
+    this._fullRequestId = manager.requestFull(args);
+    this._headersReceivedCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._contentLength = source.length;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = false;
+    this._isRangeSupported = false;
+    this._cachedChunks = [];
+    this._requests = [];
+    this._done = false;
+    this._storedError = undefined;
+    this._filename = null;
+    this.onProgress = null;
+  }
+
+  _onHeadersReceived() {
+    const fullRequestXhrId = this._fullRequestId;
+
+    const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
+
+    const getResponseHeader = name => {
+      return fullRequestXhr.getResponseHeader(name);
+    };
+
+    const {
+      allowRangeRequests,
+      suggestedLength
+    } = (0, _network_utils.validateRangeRequestCapabilities)({
+      getResponseHeader,
+      isHttp: this._manager.isHttp,
+      rangeChunkSize: this._rangeChunkSize,
+      disableRange: this._disableRange
+    });
+
+    if (allowRangeRequests) {
+      this._isRangeSupported = true;
+    }
+
+    this._contentLength = suggestedLength || this._contentLength;
+    this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+    if (this._isRangeSupported) {
+      this._manager.abortRequest(fullRequestXhrId);
+    }
+
+    this._headersReceivedCapability.resolve();
+  }
+
+  _onDone(args) {
+    if (args) {
+      if (this._requests.length > 0) {
+        const requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: args.chunk,
+          done: false
+        });
+      } else {
+        this._cachedChunks.push(args.chunk);
+      }
+    }
+
+    this._done = true;
+
+    if (this._cachedChunks.length > 0) {
+      return;
+    }
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+  }
+
+  _onError(status) {
+    const url = this._url;
+    const exception = (0, _network_utils.createResponseStatusError)(status, url);
+    this._storedError = exception;
+
+    this._headersReceivedCapability.reject(exception);
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.reject(exception);
+    });
+
+    this._requests = [];
+    this._cachedChunks = [];
+  }
+
+  _onProgress(data) {
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: data.loaded,
+        total: data.lengthComputable ? data.total : this._contentLength
+      });
+    }
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get headersReady() {
+    return this._headersReceivedCapability.promise;
+  }
+
+  async read() {
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    if (this._cachedChunks.length > 0) {
+      const chunk = this._cachedChunks.shift();
+
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._headersReceivedCapability.reject(reason);
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    if (this._manager.isPendingRequest(this._fullRequestId)) {
+      this._manager.abortRequest(this._fullRequestId);
+    }
+
+    this._fullRequestReader = null;
+  }
+
+}
+
+class PDFNetworkStreamRangeRequestReader {
+  constructor(manager, begin, end) {
+    this._manager = manager;
+    const args = {
+      onDone: this._onDone.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._requestId = manager.requestRange(begin, end, args);
+    this._requests = [];
+    this._queuedChunk = null;
+    this._done = false;
+    this.onProgress = null;
+    this.onClosed = null;
+  }
+
+  _close() {
+    if (this.onClosed) {
+      this.onClosed(this);
+    }
+  }
+
+  _onDone(data) {
+    const chunk = data.chunk;
+
+    if (this._requests.length > 0) {
+      const requestCapability = this._requests.shift();
+
+      requestCapability.resolve({
+        value: chunk,
+        done: false
+      });
+    } else {
+      this._queuedChunk = chunk;
+    }
+
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    this._close();
+  }
+
+  _onProgress(evt) {
+    if (!this.isStreamingSupported && this.onProgress) {
+      this.onProgress({
+        loaded: evt.loaded
+      });
+    }
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    if (this._queuedChunk !== null) {
+      const chunk = this._queuedChunk;
+      this._queuedChunk = null;
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    if (this._manager.isPendingRequest(this._requestId)) {
+      this._manager.abortRequest(this._requestId);
+    }
+
+    this._close();
+  }
+
+}
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFetchStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _network_utils = __w_pdfjs_require__(23);
+
+;
+
+function createFetchOptions(headers, withCredentials, abortController) {
+  return {
+    method: "GET",
+    headers,
+    signal: abortController && abortController.signal,
+    mode: "cors",
+    credentials: withCredentials ? "include" : "same-origin",
+    redirect: "follow"
+  };
+}
+
+function createHeaders(httpHeaders) {
+  const headers = new Headers();
+
+  for (const property in httpHeaders) {
+    const value = httpHeaders[property];
+
+    if (typeof value === "undefined") {
+      continue;
+    }
+
+    headers.append(property, value);
+  }
+
+  return headers;
+}
+
+class PDFFetchStream {
+  constructor(source) {
+    this.source = source;
+    this.isHttp = /^https?:/i.test(source.url);
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFFetchStreamReader(this);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const reader = new PDFFetchStreamRangeReader(this, begin, end);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFFetchStream = PDFFetchStream;
+
+class PDFFetchStreamReader {
+  constructor(stream) {
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    this._filename = null;
+    const source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._contentLength = source.length;
+    this._headersCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._headers = createHeaders(this._stream.httpHeaders);
+    const url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      this._reader = response.body.getReader();
+
+      this._headersCapability.resolve();
+
+      const getResponseHeader = name => {
+        return response.headers.get(name);
+      };
+
+      const {
+        allowRangeRequests,
+        suggestedLength
+      } = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader,
+        isHttp: this._stream.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      });
+      this._isRangeSupported = allowRangeRequests;
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (!this._isStreamingSupported && this._isRangeSupported) {
+        this.cancel(new _util.AbortException("Streaming is disabled."));
+      }
+    }).catch(this._headersCapability.reject);
+    this.onProgress = null;
+  }
+
+  get headersReady() {
+    return this._headersCapability.promise;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._headersCapability.promise;
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value,
+        done
+      };
+    }
+
+    this._loaded += value.byteLength;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded,
+        total: this._contentLength
+      });
+    }
+
+    const buffer = new Uint8Array(value).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (this._reader) {
+      this._reader.cancel(reason);
+    }
+
+    if (this._abortController) {
+      this._abortController.abort();
+    }
+  }
+
+}
+
+class PDFFetchStreamRangeReader {
+  constructor(stream, begin, end) {
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    const source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._isStreamingSupported = !source.disableStream;
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._headers = createHeaders(this._stream.httpHeaders);
+
+    this._headers.append("Range", `bytes=${begin}-${end - 1}`);
+
+    const url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      this._readCapability.resolve();
+
+      this._reader = response.body.getReader();
+    }).catch(reason => {
+      if (reason && reason.name === "AbortError") {
+        return;
+      }
+
+      throw reason;
+    });
+    this.onProgress = null;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value,
+        done
+      };
+    }
+
+    this._loaded += value.byteLength;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded
+      });
+    }
+
+    const buffer = new Uint8Array(value).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (this._reader) {
+      this._reader.cancel(reason);
+    }
+
+    if (this._abortController) {
+      this._abortController.abort();
+    }
+  }
+
+}
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.js.map b/node_modules/pdfjs-dist/build/pdf.js.map
new file mode 100644
index 00000000..ad0971fc
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://pdfjs-dist/build/pdf/webpack/universalModuleDefinition","webpack://pdfjs-dist/build/pdf/webpack/bootstrap","webpack://pdfjs-dist/build/pdf/src/pdf.js","webpack://pdfjs-dist/build/pdf/src/display/display_utils.js","webpack://pdfjs-dist/build/pdf/src/shared/util.js","webpack://pdfjs-dist/build/pdf/src/shared/compatibility.js","webpack://pdfjs-dist/build/pdf/src/shared/is_node.js","webpack://pdfjs-dist/build/pdf/src/display/api.js","webpack://pdfjs-dist/build/pdf/src/display/font_loader.js","webpack://pdfjs-dist/build/pdf/src/display/node_utils.js","webpack://pdfjs-dist/build/pdf/src/display/annotation_storage.js","webpack://pdfjs-dist/build/pdf/src/display/api_compatibility.js","webpack://pdfjs-dist/build/pdf/src/display/canvas.js","webpack://pdfjs-dist/build/pdf/src/display/pattern_helper.js","webpack://pdfjs-dist/build/pdf/src/display/worker_options.js","webpack://pdfjs-dist/build/pdf/src/shared/message_handler.js","webpack://pdfjs-dist/build/pdf/src/display/metadata.js","webpack://pdfjs-dist/build/pdf/src/display/xml_parser.js","webpack://pdfjs-dist/build/pdf/src/display/optional_content_config.js","webpack://pdfjs-dist/build/pdf/src/display/transport_stream.js","webpack://pdfjs-dist/build/pdf/src/display/webgl.js","webpack://pdfjs-dist/build/pdf/src/display/annotation_layer.js","webpack://pdfjs-dist/build/pdf/src/display/text_layer.js","webpack://pdfjs-dist/build/pdf/src/display/svg.js","webpack://pdfjs-dist/build/pdf/src/display/node_stream.js","webpack://pdfjs-dist/build/pdf/src/display/network_utils.js","webpack://pdfjs-dist/build/pdf/src/display/content_disposition.js","webpack://pdfjs-dist/build/pdf/src/display/network.js","webpack://pdfjs-dist/build/pdf/src/display/fetch_stream.js"],"names":["pdfjsVersion","pdfjsBuild","require","PDFNodeStream","setPDFNetworkStreamFactory","params","PDFNetworkStream","PDFFetchStream","isValidFetchUrl","DEFAULT_LINK_REL","SVG_NS","constructor","unreachable","create","reset","canvasAndContext","width","height","destroy","ownerDocument","globalThis","canvas","context","baseUrl","isCompressed","url","compressionType","CMapCompressionType","reason","_fetchData","isFetchSupported","document","response","cMapData","stringToBytes","request","XMLHttpRequest","resolve","reject","assert","svg","createElement","offsetX","offsetY","dontFlip","centerX","viewBox","centerY","rotation","rotateA","rotateB","rotateC","rotateD","offsetCanvasX","Math","offsetCanvasY","clone","scale","convertToViewportPoint","convertToViewportRectangle","topLeft","rect","bottomRight","convertToPdfPoint","LinkTarget","NONE","SELF","BLANK","PARENT","TOP","enabled","urlNullRemoved","removeNullCharacters","link","targetStr","anchor","query","end","Object","time","name","warn","Date","timeEnd","start","toString","outBuf","longest","duration","Response","protocol","script","console","isString","pdfDateStringRegex","matches","year","parseInt","month","day","hour","minute","second","universalTimeRelation","offsetHour","offsetMinute","IDENTITY_MATRIX","FONT_IDENTITY_MATRIX","PermissionFlag","PRINT","MODIFY_CONTENTS","COPY","MODIFY_ANNOTATIONS","FILL_INTERACTIVE_FORMS","COPY_FOR_ACCESSIBILITY","ASSEMBLE","PRINT_HIGH_QUALITY","TextRenderingMode","FILL","STROKE","FILL_STROKE","INVISIBLE","FILL_ADD_TO_PATH","STROKE_ADD_TO_PATH","FILL_STROKE_ADD_TO_PATH","ADD_TO_PATH","FILL_STROKE_MASK","ADD_TO_PATH_FLAG","ImageKind","GRAYSCALE_1BPP","RGB_24BPP","RGBA_32BPP","AnnotationType","TEXT","LINK","FREETEXT","LINE","SQUARE","CIRCLE","POLYGON","POLYLINE","HIGHLIGHT","UNDERLINE","SQUIGGLY","STRIKEOUT","STAMP","CARET","INK","POPUP","FILEATTACHMENT","SOUND","MOVIE","WIDGET","SCREEN","PRINTERMARK","TRAPNET","WATERMARK","THREED","REDACT","AnnotationStateModelType","MARKED","REVIEW","AnnotationMarkedState","UNMARKED","AnnotationReviewState","ACCEPTED","REJECTED","CANCELLED","COMPLETED","AnnotationReplyType","GROUP","REPLY","AnnotationFlag","HIDDEN","NOZOOM","NOROTATE","NOVIEW","READONLY","LOCKED","TOGGLENOVIEW","LOCKEDCONTENTS","AnnotationFieldFlag","REQUIRED","NOEXPORT","MULTILINE","PASSWORD","NOTOGGLETOOFF","RADIO","PUSHBUTTON","COMBO","EDIT","SORT","FILESELECT","MULTISELECT","DONOTSPELLCHECK","DONOTSCROLL","COMB","RICHTEXT","RADIOSINUNISON","COMMITONSELCHANGE","AnnotationBorderStyleType","SOLID","DASHED","BEVELED","INSET","StreamType","UNKNOWN","FLATE","LZW","DCT","JPX","JBIG","A85","AHX","CCF","RLX","FontType","TYPE1","TYPE1C","CIDFONTTYPE0","CIDFONTTYPE0C","TRUETYPE","CIDFONTTYPE2","TYPE3","OPENTYPE","TYPE0","MMTYPE1","VerbosityLevel","ERRORS","WARNINGS","INFOS","BINARY","STREAM","OPS","dependency","setLineWidth","setLineCap","setLineJoin","setMiterLimit","setDash","setRenderingIntent","setFlatness","setGState","save","restore","transform","moveTo","lineTo","curveTo","curveTo2","curveTo3","closePath","rectangle","stroke","closeStroke","fill","eoFill","fillStroke","eoFillStroke","closeFillStroke","closeEOFillStroke","endPath","clip","eoClip","beginText","endText","setCharSpacing","setWordSpacin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module; };\n \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__w_pdfjs_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  addLinkAttributes,\n  getFilenameFromUrl,\n  isFetchSupported,\n  isValidFetchUrl,\n  LinkTarget,\n  loadScript,\n  PDFDateString,\n  RenderingCancelledException,\n} from \"./display/display_utils.js\";\nimport {\n  build,\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  setPDFNetworkStreamFactory,\n  version,\n} from \"./display/api.js\";\nimport {\n  CMapCompressionType,\n  createObjectURL,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  InvalidPDFException,\n  MissingPDFException,\n  OPS,\n  PasswordResponses,\n  PermissionFlag,\n  removeNullCharacters,\n  shadow,\n  UnexpectedResponseException,\n  UNSUPPORTED_FEATURES,\n  Util,\n  VerbosityLevel,\n} from \"./shared/util.js\";\nimport { AnnotationLayer } from \"./display/annotation_layer.js\";\nimport { apiCompatibilityParams } from \"./display/api_compatibility.js\";\nimport { GlobalWorkerOptions } from 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PDFJSDev.eval(\"BUNDLE_VERSION\") : void 0;\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsBuild =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_BUILD\") : void 0;\n\nif (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n  const streamsPromise = Promise.all([\n    import(\"pdfjs/display/network.js\"),\n    import(\"pdfjs/display/fetch_stream.js\"),\n  ]);\n  setPDFNetworkStreamFactory(params => {\n    return streamsPromise.then(streams => {\n      const [{ PDFNetworkStream }, { PDFFetchStream }] = streams;\n      if (isFetchSupported() && isValidFetchUrl(params.url)) {\n        return new PDFFetchStream(params);\n      }\n      return new PDFNetworkStream(params);\n    });\n  });\n} else if (PDFJSDev.test(\"GENERIC\")) {\n  const { isNodeJS } = require(\"./shared/is_node.js\");\n  if (isNodeJS) {\n    const PDFNodeStream = require(\"./display/node_stream.js\").PDFNodeStream;\n    setPDFNetworkStreamFactory(params => {\n      return new PDFNodeStream(params);\n    });\n  } else {\n    const PDFNetworkStream = require(\"./display/network.js\").PDFNetworkStream;\n    let PDFFetchStream;\n    if (isFetchSupported()) {\n      PDFFetchStream = require(\"./display/fetch_stream.js\").PDFFetchStream;\n    }\n    setPDFNetworkStreamFactory(params => {\n      if (PDFFetchStream && isValidFetchUrl(params.url)) {\n        return new PDFFetchStream(params);\n      }\n      return new PDFNetworkStream(params);\n    });\n  }\n} else if (PDFJSDev.test(\"CHROME\")) {\n  const PDFNetworkStream = require(\"./display/network.js\").PDFNetworkStream;\n  let PDFFetchStream;\n  const isChromeWithFetchCredentials = function () {\n    // fetch does not include credentials until Chrome 61.0.3138.0 and later.\n    // https://chromium.googlesource.com/chromium/src/+/2e231cf052ca5e68e22baf0008ac9e5e29121707\n    try {\n      // Indexed properties on window are read-only in Chrome 61.0.3151.0+\n      // https://chromium.googlesource.com/chromium/src.git/+/58ab4a971b06dec13e4edf9de8382ca6847f6190\n      window[999] = 123; // should throw. Note: JS strict mode MUST be enabled.\n      delete window[999];\n      return false;\n    } catch (e) {\n      return true;\n    }\n  };\n  if (isFetchSupported() && isChromeWithFetchCredentials()) {\n    PDFFetchStream = require(\"./display/fetch_stream.js\").PDFFetchStream;\n  }\n  setPDFNetworkStreamFactory(params => {\n    if (PDFFetchStream && isValidFetchUrl(params.url)) {\n      return new PDFFetchStream(params);\n    }\n    return new PDFNetworkStream(params);\n  });\n}\n\nexport {\n  // From \"./display/display_utils.js\":\n  addLinkAttributes,\n  getFilenameFromUrl,\n  LinkTarget,\n  loadScript,\n  PDFDateString,\n  RenderingCancelledException,\n  // From \"./display/api.js\":\n  build,\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  version,\n  // From \"./shared/util.js\":\n  CMapCompressionType,\n  createObjectURL,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  InvalidPDFException,\n  MissingPDFException,\n  OPS,\n  PasswordResponses,\n  PermissionFlag,\n  removeNullCharacters,\n  shadow,\n  UnexpectedResponseException,\n  UNSUPPORTED_FEATURES,\n  Util,\n  VerbosityLevel,\n  // From \"./display/annotation_layer.js\":\n  AnnotationLayer,\n  // From \"./display/api_compatibility.js\":\n  apiCompatibilityParams,\n  // From \"./display/worker_options.js\":\n  GlobalWorkerOptions,\n  // From \"./display/text_layer.js\":\n  renderTextLayer,\n  // From \"./display/svg.js\":\n  SVGGraphics,\n};\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  BaseException,\n  CMapCompressionType,\n  isString,\n  removeNullCharacters,\n  stringToBytes,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\n\nconst DEFAULT_LINK_REL = \"noopener noreferrer nofollow\";\nconst SVG_NS = \"http://www.w3.org/2000/svg\";\n\nclass BaseCanvasFactory {\n  constructor() {\n    if (this.constructor === BaseCanvasFactory) {\n      unreachable(\"Cannot initialize BaseCanvasFactory.\");\n    }\n  }\n\n  create(width, height) {\n    unreachable(\"Abstract method `create` called.\");\n  }\n\n  reset(canvasAndContext, width, height) {\n    if (!canvasAndContext.canvas) {\n      throw new Error(\"Canvas is not specified\");\n    }\n    if (width <= 0 || height <= 0) {\n      throw new Error(\"Invalid canvas size\");\n    }\n    canvasAndContext.canvas.width = width;\n    canvasAndContext.canvas.height = height;\n  }\n\n  destroy(canvasAndContext) {\n    if (!canvasAndContext.canvas) {\n      throw new Error(\"Canvas is not specified\");\n    }\n    // Zeroing the width and height cause Firefox to release graphics\n    // resources immediately, which can greatly reduce memory consumption.\n    canvasAndContext.canvas.width = 0;\n    canvasAndContext.canvas.height = 0;\n    canvasAndContext.canvas = null;\n    canvasAndContext.context = null;\n  }\n}\n\nclass DOMCanvasFactory extends BaseCanvasFactory {\n  constructor({ ownerDocument = globalThis.document } = {}) {\n    super();\n    this._document = ownerDocument;\n  }\n\n  create(width, height) {\n    if (width <= 0 || height <= 0) {\n      throw new Error(\"Invalid canvas size\");\n    }\n    const canvas = this._document.createElement(\"canvas\");\n    const context = canvas.getContext(\"2d\");\n    canvas.width = width;\n    canvas.height = height;\n    return {\n      canvas,\n      context,\n    };\n  }\n}\n\nclass BaseCMapReaderFactory {\n  constructor({ baseUrl = null, isCompressed = false }) {\n    if (this.constructor === BaseCMapReaderFactory) {\n      unreachable(\"Cannot initialize BaseCMapReaderFactory.\");\n    }\n    this.baseUrl = baseUrl;\n    this.isCompressed = isCompressed;\n  }\n\n  async fetch({ name }) {\n    if (!this.baseUrl) {\n      throw new Error(\n        'The CMap \"baseUrl\" parameter must be specified, ensure that ' +\n          'the \"cMapUrl\" and \"cMapPacked\" API parameters are provided.'\n      );\n    }\n    if (!name) {\n      throw new Error(\"CMap name must be specified.\");\n    }\n    const url = this.baseUrl + name + (this.isCompressed ? \".bcmap\" : \"\");\n    const compressionType = this.isCompressed\n      ? CMapCompressionType.BINARY\n      : CMapCompressionType.NONE;\n\n    return this._fetchData(url, compressionType).catch(reason => {\n      throw new Error(\n        `Unable to load ${this.isCompressed ? \"binary \" : \"\"}CMap at: ${url}`\n      );\n    });\n  }\n\n  /**\n   * @private\n   */\n  _fetchData(url, compressionType) {\n    unreachable(\"Abstract method `_fetchData` called.\");\n  }\n}\n\nclass DOMCMapReaderFactory extends BaseCMapReaderFactory {\n  _fetchData(url, compressionType) {\n    if (\n      (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) ||\n      (isFetchSupported() && isValidFetchUrl(url, document.baseURI))\n    ) {\n      return fetch(url).then(async response => {\n        if (!response.ok) {\n          throw new Error(response.statusText);\n        }\n        let cMapData;\n        if (this.isCompressed) {\n          cMapData = new Uint8Array(await response.arrayBuffer());\n        } else {\n          cMapData = stringToBytes(await response.text());\n        }\n        return { cMapData, compressionType };\n      });\n    }\n\n    // The Fetch API is not supported.\n    return new Promise((resolve, reject) => {\n      const request = new XMLHttpRequest();\n      request.open(\"GET\", url, true);\n\n      if (this.isCompressed) {\n        request.responseType = \"arraybuffer\";\n      }\n      request.onreadystatechange = () => {\n        if (request.readyState !== XMLHttpRequest.DONE) {\n          return;\n        }\n        if (request.status === 200 || request.status === 0) {\n          let cMapData;\n          if (this.isCompressed && request.response) {\n            cMapData = new Uint8Array(request.response);\n          } else if (!this.isCompressed && request.responseText) {\n            cMapData = stringToBytes(request.responseText);\n          }\n          if (cMapData) {\n            resolve({ cMapData, compressionType });\n            return;\n          }\n        }\n        reject(new Error(request.statusText));\n      };\n\n      request.send(null);\n    });\n  }\n}\n\nclass DOMSVGFactory {\n  create(width, height) {\n    assert(width > 0 && height > 0, \"Invalid SVG dimensions\");\n\n    const svg = document.createElementNS(SVG_NS, \"svg:svg\");\n    svg.setAttribute(\"version\", \"1.1\");\n    svg.setAttribute(\"width\", width + \"px\");\n    svg.setAttribute(\"height\", height + \"px\");\n    svg.setAttribute(\"preserveAspectRatio\", \"none\");\n    svg.setAttribute(\"viewBox\", \"0 0 \" + width + \" \" + height);\n\n    return svg;\n  }\n\n  createElement(type) {\n    assert(typeof type === \"string\", \"Invalid SVG element type\");\n\n    return document.createElementNS(SVG_NS, type);\n  }\n}\n\n/**\n * @typedef {Object} PageViewportParameters\n * @property {Array<number>} viewBox - The xMin, yMin, xMax and\n *   yMax coordinates.\n * @property {number} scale - The scale of the viewport.\n * @property {number} rotation - The rotation, in degrees, of the viewport.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset. The\n *   default value is `0`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset. The\n *   default value is `0`.\n * @property {boolean} [dontFlip] - If true, the y-axis will not be flipped.\n *   The default value is `false`.\n */\n\n/**\n * @typedef {Object} PageViewportCloneParameters\n * @property {number} [scale] - The scale, overriding the one in the cloned\n *   viewport. The default value is `this.scale`.\n * @property {number} [rotation] - The rotation, in degrees, overriding the one\n *   in the cloned viewport. The default value is `this.rotation`.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.\n *   The default value is `this.offsetX`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.\n *   The default value is `this.offsetY`.\n * @property {boolean} [dontFlip] - If true, the x-axis will not be flipped.\n *   The default value is `false`.\n */\n\n/**\n * PDF page viewport created based on scale, rotation and offset.\n */\nclass PageViewport {\n  /**\n   * @param {PageViewportParameters}\n   */\n  constructor({\n    viewBox,\n    scale,\n    rotation,\n    offsetX = 0,\n    offsetY = 0,\n    dontFlip = false,\n  }) {\n    this.viewBox = viewBox;\n    this.scale = scale;\n    this.rotation = rotation;\n    this.offsetX = offsetX;\n    this.offsetY = offsetY;\n\n    // creating transform to convert pdf coordinate system to the normal\n    // canvas like coordinates taking in account scale and rotation\n    const centerX = (viewBox[2] + viewBox[0]) / 2;\n    const centerY = (viewBox[3] + viewBox[1]) / 2;\n    let rotateA, rotateB, rotateC, rotateD;\n    rotation = rotation % 360;\n    rotation = rotation < 0 ? rotation + 360 : rotation;\n    switch (rotation) {\n      case 180:\n        rotateA = -1;\n        rotateB = 0;\n        rotateC = 0;\n        rotateD = 1;\n        break;\n      case 90:\n        rotateA = 0;\n        rotateB = 1;\n        rotateC = 1;\n        rotateD = 0;\n        break;\n      case 270:\n        rotateA = 0;\n        rotateB = -1;\n        rotateC = -1;\n        rotateD = 0;\n        break;\n      case 0:\n        rotateA = 1;\n        rotateB = 0;\n        rotateC = 0;\n        rotateD = -1;\n        break;\n      default:\n        throw new Error(\n          \"PageViewport: Invalid rotation, must be a multiple of 90 degrees.\"\n        );\n    }\n\n    if (dontFlip) {\n      rotateC = -rotateC;\n      rotateD = -rotateD;\n    }\n\n    let offsetCanvasX, offsetCanvasY;\n    let width, height;\n    if (rotateA === 0) {\n      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;\n      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;\n      width = Math.abs(viewBox[3] - viewBox[1]) * scale;\n      height = Math.abs(viewBox[2] - viewBox[0]) * scale;\n    } else {\n      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;\n      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;\n      width = Math.abs(viewBox[2] - viewBox[0]) * scale;\n      height = Math.abs(viewBox[3] - viewBox[1]) * scale;\n    }\n    // creating transform for the following operations:\n    // translate(-centerX, -centerY), rotate and flip vertically,\n    // scale, and translate(offsetCanvasX, offsetCanvasY)\n    this.transform = [\n      rotateA * scale,\n      rotateB * scale,\n      rotateC * scale,\n      rotateD * scale,\n      offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,\n      offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY,\n    ];\n\n    this.width = width;\n    this.height = height;\n  }\n\n  /**\n   * Clones viewport, with optional additional properties.\n   * @param {PageViewportCloneParameters} [params]\n   * @returns {PageViewport} Cloned viewport.\n   */\n  clone({\n    scale = this.scale,\n    rotation = this.rotation,\n    offsetX = this.offsetX,\n    offsetY = this.offsetY,\n    dontFlip = false,\n  } = {}) {\n    return new PageViewport({\n      viewBox: this.viewBox.slice(),\n      scale,\n      rotation,\n      offsetX,\n      offsetY,\n      dontFlip,\n    });\n  }\n\n  /**\n   * Converts PDF point to the viewport coordinates. For examples, useful for\n   * converting PDF location into canvas pixel coordinates.\n   * @param {number} x - The x-coordinate.\n   * @param {number} y - The y-coordinate.\n   * @returns {Object} Object containing `x` and `y` properties of the\n   *   point in the viewport coordinate space.\n   * @see {@link convertToPdfPoint}\n   * @see {@link convertToViewportRectangle}\n   */\n  convertToViewportPoint(x, y) {\n    return Util.applyTransform([x, y], this.transform);\n  }\n\n  /**\n   * Converts PDF rectangle to the viewport coordinates.\n   * @param {Array} rect - The xMin, yMin, xMax and yMax coordinates.\n   * @returns {Array} Array containing corresponding coordinates of the\n   *   rectangle in the viewport coordinate space.\n   * @see {@link convertToViewportPoint}\n   */\n  convertToViewportRectangle(rect) {\n    const topLeft = Util.applyTransform([rect[0], rect[1]], this.transform);\n    const bottomRight = Util.applyTransform([rect[2], rect[3]], this.transform);\n    return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];\n  }\n\n  /**\n   * Converts viewport coordinates to the PDF location. For examples, useful\n   * for converting canvas pixel location into PDF one.\n   * @param {number} x - The x-coordinate.\n   * @param {number} y - The y-coordinate.\n   * @returns {Object} Object containing `x` and `y` properties of the\n   *   point in the PDF coordinate space.\n   * @see {@link convertToViewportPoint}\n   */\n  convertToPdfPoint(x, y) {\n    return Util.applyInverseTransform([x, y], this.transform);\n  }\n}\n\nclass RenderingCancelledException extends BaseException {\n  constructor(msg, type) {\n    super(msg);\n    this.type = type;\n  }\n}\n\nconst LinkTarget = {\n  NONE: 0, // Default value.\n  SELF: 1,\n  BLANK: 2,\n  PARENT: 3,\n  TOP: 4,\n};\n\n/**\n * @typedef ExternalLinkParameters\n * @typedef {Object} ExternalLinkParameters\n * @property {string} url - An absolute URL.\n * @property {LinkTarget} [target] - The link target. The default value is\n *   `LinkTarget.NONE`.\n * @property {string} [rel] - The link relationship. The default value is\n *   `DEFAULT_LINK_REL`.\n * @property {boolean} [enabled] - Whether the link should be enabled. The\n *   default value is true.\n */\n\n/**\n * Adds various attributes (href, title, target, rel) to hyperlinks.\n * @param {HTMLLinkElement} link - The link element.\n * @param {ExternalLinkParameters} params\n */\nfunction addLinkAttributes(link, { url, target, rel, enabled = true } = {}) {\n  assert(\n    url && typeof url === \"string\",\n    'addLinkAttributes: A valid \"url\" parameter must provided.'\n  );\n\n  const urlNullRemoved = removeNullCharacters(url);\n  if (enabled) {\n    link.href = link.title = urlNullRemoved;\n  } else {\n    link.href = \"\";\n    link.title = `Disabled: ${urlNullRemoved}`;\n    link.onclick = () => {\n      return false;\n    };\n  }\n\n  let targetStr = \"\"; // LinkTarget.NONE\n  switch (target) {\n    case LinkTarget.NONE:\n      break;\n    case LinkTarget.SELF:\n      targetStr = \"_self\";\n      break;\n    case LinkTarget.BLANK:\n      targetStr = \"_blank\";\n      break;\n    case LinkTarget.PARENT:\n      targetStr = \"_parent\";\n      break;\n    case LinkTarget.TOP:\n      targetStr = \"_top\";\n      break;\n  }\n  link.target = targetStr;\n\n  link.rel = typeof rel === \"string\" ? rel : DEFAULT_LINK_REL;\n}\n\n/**\n * Gets the file name from a given URL.\n * @param {string} url\n */\nfunction getFilenameFromUrl(url) {\n  const anchor = url.indexOf(\"#\");\n  const query = url.indexOf(\"?\");\n  const end = Math.min(\n    anchor > 0 ? anchor : url.length,\n    query > 0 ? query : url.length\n  );\n  return url.substring(url.lastIndexOf(\"/\", end) + 1, end);\n}\n\nclass StatTimer {\n  constructor() {\n    this.started = Object.create(null);\n    this.times = [];\n  }\n\n  time(name) {\n    if (name in this.started) {\n      warn(`Timer is already running for ${name}`);\n    }\n    this.started[name] = Date.now();\n  }\n\n  timeEnd(name) {\n    if (!(name in this.started)) {\n      warn(`Timer has not been started for ${name}`);\n    }\n    this.times.push({\n      name,\n      start: this.started[name],\n      end: Date.now(),\n    });\n    // Remove timer from started so it can be called again.\n    delete this.started[name];\n  }\n\n  toString() {\n    // Find the longest name for padding purposes.\n    const outBuf = [];\n    let longest = 0;\n    for (const time of this.times) {\n      const name = time.name;\n      if (name.length > longest) {\n        longest = name.length;\n      }\n    }\n    for (const time of this.times) {\n      const duration = time.end - time.start;\n      outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\\n`);\n    }\n    return outBuf.join(\"\");\n  }\n}\n\nfunction isFetchSupported() {\n  return (\n    typeof fetch !== \"undefined\" &&\n    typeof Response !== \"undefined\" &&\n    \"body\" in Response.prototype &&\n    typeof ReadableStream !== \"undefined\"\n  );\n}\n\nfunction isValidFetchUrl(url, baseUrl) {\n  try {\n    const { protocol } = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    // The Fetch API only supports the http/https protocols, and not file/ftp.\n    return protocol === \"http:\" || protocol === \"https:\";\n  } catch (ex) {\n    return false; // `new URL()` will throw on incorrect data.\n  }\n}\n\n/**\n * @param {string} src\n * @returns {Promise<void>}\n */\nfunction loadScript(src) {\n  return new Promise((resolve, reject) => {\n    const script = document.createElement(\"script\");\n    script.src = src;\n\n    script.onload = resolve;\n    script.onerror = function () {\n      reject(new Error(`Cannot load script at: ${script.src}`));\n    };\n    (document.head || document.documentElement).appendChild(script);\n  });\n}\n\n// Deprecated API function -- display regardless of the `verbosity` setting.\nfunction deprecated(details) {\n  console.log(\"Deprecated API usage: \" + details);\n}\n\nlet pdfDateStringRegex;\n\nclass PDFDateString {\n  /**\n   * Convert a PDF date string to a JavaScript `Date` object.\n   *\n   * The PDF date string format is described in section 7.9.4 of the official\n   * PDF 32000-1:2008 specification. However, in the PDF 1.7 reference (sixth\n   * edition) Adobe describes the same format including a trailing apostrophe.\n   * This syntax in incorrect, but Adobe Acrobat creates PDF files that contain\n   * them. We ignore all apostrophes as they are not necessary for date parsing.\n   *\n   * Moreover, Adobe Acrobat doesn't handle changing the date to universal time\n   * and doesn't use the user's time zone (effectively ignoring the HH' and mm'\n   * parts of the date string).\n   *\n   * @param {string} input\n   * @returns {Date|null}\n   */\n  static toDateObject(input) {\n    if (!input || !isString(input)) {\n      return null;\n    }\n\n    // Lazily initialize the regular expression.\n    if (!pdfDateStringRegex) {\n      pdfDateStringRegex = new RegExp(\n        \"^D:\" + // Prefix (required)\n        \"(\\\\d{4})\" + // Year (required)\n        \"(\\\\d{2})?\" + // Month (optional)\n        \"(\\\\d{2})?\" + // Day (optional)\n        \"(\\\\d{2})?\" + // Hour (optional)\n        \"(\\\\d{2})?\" + // Minute (optional)\n        \"(\\\\d{2})?\" + // Second (optional)\n        \"([Z|+|-])?\" + // Universal time relation (optional)\n        \"(\\\\d{2})?\" + // Offset hour (optional)\n        \"'?\" + // Splitting apostrophe (optional)\n        \"(\\\\d{2})?\" + // Offset minute (optional)\n          \"'?\" // Trailing apostrophe (optional)\n      );\n    }\n\n    // Optional fields that don't satisfy the requirements from the regular\n    // expression (such as incorrect digit counts or numbers that are out of\n    // range) will fall back the defaults from the specification.\n    const matches = pdfDateStringRegex.exec(input);\n    if (!matches) {\n      return null;\n    }\n\n    // JavaScript's `Date` object expects the month to be between 0 and 11\n    // instead of 1 and 12, so we have to correct for that.\n    const year = parseInt(matches[1], 10);\n    let month = parseInt(matches[2], 10);\n    month = month >= 1 && month <= 12 ? month - 1 : 0;\n    let day = parseInt(matches[3], 10);\n    day = day >= 1 && day <= 31 ? day : 1;\n    let hour = parseInt(matches[4], 10);\n    hour = hour >= 0 && hour <= 23 ? hour : 0;\n    let minute = parseInt(matches[5], 10);\n    minute = minute >= 0 && minute <= 59 ? minute : 0;\n    let second = parseInt(matches[6], 10);\n    second = second >= 0 && second <= 59 ? second : 0;\n    const universalTimeRelation = matches[7] || \"Z\";\n    let offsetHour = parseInt(matches[8], 10);\n    offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;\n    let offsetMinute = parseInt(matches[9], 10) || 0;\n    offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;\n\n    // Universal time relation 'Z' means that the local time is equal to the\n    // universal time, whereas the relations '+'/'-' indicate that the local\n    // time is later respectively earlier than the universal time. Every date\n    // is normalized to universal time.\n    if (universalTimeRelation === \"-\") {\n      hour += offsetHour;\n      minute += offsetMinute;\n    } else if (universalTimeRelation === \"+\") {\n      hour -= offsetHour;\n      minute -= offsetMinute;\n    }\n\n    return new Date(Date.UTC(year, month, day, hour, minute, second));\n  }\n}\n\nexport {\n  PageViewport,\n  RenderingCancelledException,\n  addLinkAttributes,\n  getFilenameFromUrl,\n  LinkTarget,\n  DEFAULT_LINK_REL,\n  BaseCanvasFactory,\n  DOMCanvasFactory,\n  BaseCMapReaderFactory,\n  DOMCMapReaderFactory,\n  DOMSVGFactory,\n  StatTimer,\n  isFetchSupported,\n  isValidFetchUrl,\n  loadScript,\n  deprecated,\n  PDFDateString,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport \"./compatibility.js\";\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  MOVIE: 19,\n  WIDGET: 20,\n  SCREEN: 21,\n  PRINTERMARK: 22,\n  TRAPNET: 23,\n  WATERMARK: 24,\n  THREED: 25,\n  REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n  MARKED: \"Marked\",\n  REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n  MARKED: \"Marked\",\n  UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n  ACCEPTED: \"Accepted\",\n  REJECTED: \"Rejected\",\n  CANCELLED: \"Cancelled\",\n  COMPLETED: \"Completed\",\n  NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n  GROUP: \"Group\",\n  REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n  INVISIBLE: 0x01,\n  HIDDEN: 0x02,\n  PRINT: 0x04,\n  NOZOOM: 0x08,\n  NOROTATE: 0x10,\n  NOVIEW: 0x20,\n  READONLY: 0x40,\n  LOCKED: 0x80,\n  TOGGLENOVIEW: 0x100,\n  LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n  READONLY: 0x0000001,\n  REQUIRED: 0x0000002,\n  NOEXPORT: 0x0000004,\n  MULTILINE: 0x0001000,\n  PASSWORD: 0x0002000,\n  NOTOGGLETOOFF: 0x0004000,\n  RADIO: 0x0008000,\n  PUSHBUTTON: 0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n/**\n * @module pdfjsLib\n */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  getVerbosityLevel,\n  info,\n  InvalidPDFException,\n  isArrayBuffer,\n  isSameOrigin,\n  MissingPDFException,\n  PasswordException,\n  setVerbosityLevel,\n  shadow,\n  stringToBytes,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  deprecated,\n  DOMCanvasFactory,\n  DOMCMapReaderFactory,\n  loadScript,\n  PageViewport,\n  RenderingCancelledException,\n  StatTimer,\n} from \"./display_utils.js\";\nimport { FontFaceObject, FontLoader } from \"./font_loader.js\";\nimport { NodeCanvasFactory, NodeCMapReaderFactory } from \"./node_utils.js\";\nimport { AnnotationStorage } from \"./annotation_storage.js\";\nimport { apiCompatibilityParams } from \"./api_compatibility.js\";\nimport { CanvasGraphics } from \"./canvas.js\";\nimport { GlobalWorkerOptions } from \"./worker_options.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { MessageHandler } from \"../shared/message_handler.js\";\nimport { Metadata } from \"./metadata.js\";\nimport { OptionalContentConfig } from \"./optional_content_config.js\";\nimport { PDFDataTransportStream } from \"./transport_stream.js\";\nimport { WebGLContext } from \"./webgl.js\";\n\nconst DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\nconst RENDERING_CANCELLED_TIMEOUT = 100; // ms\n\nconst DefaultCanvasFactory =\n  (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS\n    ? NodeCanvasFactory\n    : DOMCanvasFactory;\nconst DefaultCMapReaderFactory =\n  (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS\n    ? NodeCMapReaderFactory\n    : DOMCMapReaderFactory;\n\n/**\n * @typedef {function} IPDFStreamFactory\n * @param {DocumentInitParameters} params - The document initialization\n *   parameters. The \"url\" key is always present.\n * @returns {Promise} A promise, which is resolved with an instance of\n *   {IPDFStream}.\n * @ignore\n */\n\n/**\n * @type IPDFStreamFactory\n * @private\n */\nlet createPDFNetworkStream;\n\n/**\n * Sets the function that instantiates an {IPDFStream} as an alternative PDF\n * data transport.\n *\n * @param {IPDFStreamFactory} pdfNetworkStreamFactory - The factory function\n *   that takes document initialization parameters (including a \"url\") and\n *   returns a promise which is resolved with an instance of {IPDFStream}.\n * @ignore\n */\nfunction setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {\n  createPDFNetworkStream = pdfNetworkStreamFactory;\n}\n\n/**\n * @typedef { Int8Array | Uint8Array | Uint8ClampedArray |\n *            Int16Array | Uint16Array |\n *            Int32Array | Uint32Array | Float32Array |\n *            Float64Array\n * } TypedArray\n */\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string} [url] - The URL of the PDF.\n * @property {TypedArray|Array<number>|string} [data] - Binary PDF data. Use\n *    typed arrays (Uint8Array) to improve the memory usage. If PDF data is\n *    BASE64-encoded, use `atob()` to convert it to a binary string first.\n * @property {Object} [httpHeaders] - Basic authentication headers.\n * @property {boolean} [withCredentials] - Indicates whether or not\n *   cross-site Access-Control requests should be made using credentials such\n *   as cookies or authorization headers. The default is `false`.\n * @property {string} [password] - For decrypting password-protected PDFs.\n * @property {TypedArray} [initialData] - A typed array with the first portion\n *   or all of the pdf data. Used by the extension since some data is already\n *   loaded before the switch to range requests.\n * @property {number} [length] - The PDF file length. It's used for progress\n *   reports and range requests operations.\n * @property {PDFDataRangeTransport} [range] - Allows for using a custom range\n *   transport implementation.\n * @property {number} [rangeChunkSize] - Specify maximum number of bytes fetched\n *   per range request. The default value is {@link DEFAULT_RANGE_CHUNK_SIZE}.\n * @property {PDFWorker} [worker] - The worker that will be used for loading and\n *   parsing the PDF data.\n * @property {number} [verbosity] - Controls the logging level; the constants\n *   from {@link VerbosityLevel} should be used.\n * @property {string} [docBaseUrl] - The base URL of the document, used when\n *   attempting to recover valid absolute URLs for annotations, and outline\n *   items, that (incorrectly) only specify relative URLs.\n * @property {string} [cMapUrl] - The URL where the predefined Adobe CMaps are\n *   located. Include the trailing slash.\n * @property {boolean} [cMapPacked] - Specifies if the Adobe CMaps are binary\n *   packed or not.\n * @property {Object} [CMapReaderFactory] - The factory that will be used when\n *   reading built-in CMap files. Providing a custom factory is useful for\n *   environments without Fetch API or `XMLHttpRequest` support, such as\n *   Node.js. The default value is {DOMCMapReaderFactory}.\n * @property {boolean} [stopAtErrors] - Reject certain promises, e.g.\n *   `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n *   PDF data cannot be successfully parsed, instead of attempting to recover\n *   whatever possible of the data. The default value is `false`.\n * @property {number} [maxImageSize] - The maximum allowed image size in total\n *   pixels, i.e. width * height. Images above this value will not be rendered.\n *   Use -1 for no limit, which is also the default value.\n * @property {boolean} [isEvalSupported] - Determines if we can evaluate strings\n *   as JavaScript. Primarily used to improve performance of font rendering, and\n *   when parsing PDF functions. The default value is `true`.\n * @property {boolean} [disableFontFace] - By default fonts are converted to\n *   OpenType fonts and loaded via `@font-face` rules. If disabled, fonts will\n *   be rendered using a built-in font renderer that constructs the glyphs with\n *   primitive path commands. The default value is `false`.\n * @property {boolean} [fontExtraProperties] - Include additional properties,\n *   which are unused during rendering of PDF documents, when exporting the\n *   parsed font data from the worker-thread. This may be useful for debugging\n *   purposes (and backwards compatibility), but note that it will lead to\n *   increased memory usage. The default value is `false`.\n * @property {HTMLDocument} [ownerDocument] - Specify an explicit document\n *   context to create elements with and to load resources, such as fonts,\n *   into. Defaults to the current document.\n * @property {boolean} [disableRange] - Disable range request loading of PDF\n *   files. When enabled, and if the server supports partial content requests,\n *   then the PDF will be fetched in chunks. The default value is `false`.\n * @property {boolean} [disableStream] - Disable streaming of PDF file data.\n *   By default PDF.js attempts to load PDF files in chunks. The default value\n *   is `false`.\n * @property {boolean} [disableAutoFetch] - Disable pre-fetching of PDF file\n *   data. When range requests are enabled PDF.js will automatically keep\n *   fetching more data even if it isn't needed to display the current page.\n *   The default value is `false`.\n *\n *   NOTE: It is also necessary to disable streaming, see above, in order for\n *   disabling of pre-fetching to work correctly.\n * @property {boolean} [pdfBug] - Enables special hooks for debugging PDF.js\n *   (see `web/debugger.js`). The default value is `false`.\n */\n\n/**\n * @typedef {Object} PDFDocumentStats\n * @property {Object<string, boolean>} streamTypes - Used stream types in the\n *   document (an item is set to true if specific stream ID was used in the\n *   document).\n * @property {Object<string, boolean>} fontTypes - Used font types in the\n *   document (an item is set to true if specific font ID was used in the\n *   document).\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n *\n * NOTE: If a URL is used to fetch the PDF data a standard Fetch API call (or\n * XHR as fallback) is used, which means it must follow same origin rules,\n * e.g. no cross-domain requests without CORS.\n *\n * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src -\n *   Can be a URL to where a PDF file is located, a typed array (Uint8Array)\n *   already populated with data or parameter object.\n * @returns {PDFDocumentLoadingTask}\n */\nfunction getDocument(src) {\n  const task = new PDFDocumentLoadingTask();\n\n  let source;\n  if (typeof src === \"string\") {\n    source = { url: src };\n  } else if (isArrayBuffer(src)) {\n    source = { data: src };\n  } else if (src instanceof PDFDataRangeTransport) {\n    source = { range: src };\n  } else {\n    if (typeof src !== \"object\") {\n      throw new Error(\n        \"Invalid parameter in getDocument, \" +\n          \"need either Uint8Array, string or a parameter object\"\n      );\n    }\n    if (!src.url && !src.data && !src.range) {\n      throw new Error(\n        \"Invalid parameter object: need either .data, .range or .url\"\n      );\n    }\n    source = src;\n  }\n  const params = Object.create(null);\n  let rangeTransport = null,\n    worker = null;\n\n  for (const key in source) {\n    if (key === \"url\" && typeof window !== \"undefined\") {\n      // The full path is required in the 'url' field.\n      params[key] = new URL(source[key], window.location).href;\n      continue;\n    } else if (key === \"range\") {\n      rangeTransport = source[key];\n      continue;\n    } else if (key === \"worker\") {\n      worker = source[key];\n      continue;\n    } else if (key === \"data\" && !(source[key] instanceof Uint8Array)) {\n      // Converting string or array-like data to Uint8Array.\n      const pdfBytes = source[key];\n      if (typeof pdfBytes === \"string\") {\n        params[key] = stringToBytes(pdfBytes);\n      } else if (\n        typeof pdfBytes === \"object\" &&\n        pdfBytes !== null &&\n        !isNaN(pdfBytes.length)\n      ) {\n        params[key] = new Uint8Array(pdfBytes);\n      } else if (isArrayBuffer(pdfBytes)) {\n        params[key] = new Uint8Array(pdfBytes);\n      } else {\n        throw new Error(\n          \"Invalid PDF binary data: either typed array, \" +\n            \"string or array-like object is expected in the \" +\n            \"data property.\"\n        );\n      }\n      continue;\n    }\n    params[key] = source[key];\n  }\n\n  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;\n  params.CMapReaderFactory =\n    params.CMapReaderFactory || DefaultCMapReaderFactory;\n  params.ignoreErrors = params.stopAtErrors !== true;\n  params.fontExtraProperties = params.fontExtraProperties === true;\n  params.pdfBug = params.pdfBug === true;\n\n  if (!Number.isInteger(params.maxImageSize)) {\n    params.maxImageSize = -1;\n  }\n  if (typeof params.isEvalSupported !== \"boolean\") {\n    params.isEvalSupported = true;\n  }\n  if (typeof params.disableFontFace !== \"boolean\") {\n    params.disableFontFace = apiCompatibilityParams.disableFontFace || false;\n  }\n  if (typeof params.ownerDocument === \"undefined\") {\n    params.ownerDocument = globalThis.document;\n  }\n\n  if (typeof params.disableRange !== \"boolean\") {\n    params.disableRange = false;\n  }\n  if (typeof params.disableStream !== \"boolean\") {\n    params.disableStream = false;\n  }\n  if (typeof params.disableAutoFetch !== \"boolean\") {\n    params.disableAutoFetch = false;\n  }\n\n  // Set the main-thread verbosity level.\n  setVerbosityLevel(params.verbosity);\n\n  if (!worker) {\n    const workerParams = {\n      verbosity: params.verbosity,\n      port: GlobalWorkerOptions.workerPort,\n    };\n    // Worker was not provided -- creating and owning our own. If message port\n    // is specified in global worker options, using it.\n    worker = workerParams.port\n      ? PDFWorker.fromPort(workerParams)\n      : new PDFWorker(workerParams);\n    task._worker = worker;\n  }\n  const docId = task.docId;\n  worker.promise\n    .then(function () {\n      if (task.destroyed) {\n        throw new Error(\"Loading aborted\");\n      }\n\n      const workerIdPromise = _fetchDocument(\n        worker,\n        params,\n        rangeTransport,\n        docId\n      );\n      const networkStreamPromise = new Promise(function (resolve) {\n        let networkStream;\n        if (rangeTransport) {\n          networkStream = new PDFDataTransportStream(\n            {\n              length: params.length,\n              initialData: params.initialData,\n              progressiveDone: params.progressiveDone,\n              disableRange: params.disableRange,\n              disableStream: params.disableStream,\n            },\n            rangeTransport\n          );\n        } else if (!params.data) {\n          networkStream = createPDFNetworkStream({\n            url: params.url,\n            length: params.length,\n            httpHeaders: params.httpHeaders,\n            withCredentials: params.withCredentials,\n            rangeChunkSize: params.rangeChunkSize,\n            disableRange: params.disableRange,\n            disableStream: params.disableStream,\n          });\n        }\n        resolve(networkStream);\n      });\n\n      return Promise.all([workerIdPromise, networkStreamPromise]).then(\n        function ([workerId, networkStream]) {\n          if (task.destroyed) {\n            throw new Error(\"Loading aborted\");\n          }\n\n          const messageHandler = new MessageHandler(\n            docId,\n            workerId,\n            worker.port\n          );\n          messageHandler.postMessageTransfers = worker.postMessageTransfers;\n          const transport = new WorkerTransport(\n            messageHandler,\n            task,\n            networkStream,\n            params\n          );\n          task._transport = transport;\n          messageHandler.send(\"Ready\", null);\n        }\n      );\n    })\n    .catch(task._capability.reject);\n\n  return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n *\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId - Unique document ID, used in `MessageHandler`.\n * @returns {Promise} A promise that is resolved when the worker ID of the\n *   `MessageHandler` is known.\n * @private\n */\nfunction _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n  if (worker.destroyed) {\n    return Promise.reject(new Error(\"Worker was destroyed\"));\n  }\n\n  if (pdfDataRangeTransport) {\n    source.length = pdfDataRangeTransport.length;\n    source.initialData = pdfDataRangeTransport.initialData;\n    source.progressiveDone = pdfDataRangeTransport.progressiveDone;\n  }\n  return worker.messageHandler\n    .sendWithPromise(\"GetDocRequest\", {\n      docId,\n      apiVersion:\n        typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"TESTING\")\n          ? PDFJSDev.eval(\"BUNDLE_VERSION\")\n          : null,\n      // Only send the required properties, and *not* the entire object.\n      source: {\n        data: source.data,\n        url: source.url,\n        password: source.password,\n        disableAutoFetch: source.disableAutoFetch,\n        rangeChunkSize: source.rangeChunkSize,\n        length: source.length,\n      },\n      maxImageSize: source.maxImageSize,\n      disableFontFace: source.disableFontFace,\n      postMessageTransfers: worker.postMessageTransfers,\n      docBaseUrl: source.docBaseUrl,\n      ignoreErrors: source.ignoreErrors,\n      isEvalSupported: source.isEvalSupported,\n      fontExtraProperties: source.fontExtraProperties,\n    })\n    .then(function (workerId) {\n      if (worker.destroyed) {\n        throw new Error(\"Worker was destroyed\");\n      }\n      return workerId;\n    });\n}\n\n/**\n * The loading task controls the operations required to load a PDF document\n * (such as network requests) and provides a way to listen for completion,\n * after which individual pages can be rendered.\n *\n * @typedef {Object} PDFDocumentLoadingTask\n * @property {string} docId - Unique identifier for the document loading task.\n * @property {boolean} destroyed - Whether the loading task is destroyed or not.\n * @property {function} [onPassword] - Callback to request a password if a wrong\n *   or no password was provided. The callback receives two parameters: a\n *   function that should be called with the new password, and a reason (see\n *   {@link PasswordResponses}).\n * @property {function} [onProgress] - Callback to be able to monitor the\n *   loading progress of the PDF file (necessary to implement e.g. a loading\n *   bar). The callback receives an {Object} with the properties `loaded`\n *   ({number}) and `total` ({number}) that indicate how many bytes are loaded.\n * @property {function} [onUnsupportedFeature] - Callback for when an\n *   unsupported feature is used in the PDF document. The callback receives an\n *   {@link UNSUPPORTED_FEATURES} argument.\n * @property {Promise<PDFDocumentProxy>} promise - Promise for document loading\n *   task completion.\n * @property {function} destroy - Abort all network requests and destroy\n *   the worker. Returns a promise that is resolved when destruction is\n *   completed.\n */\n\n/**\n * @type {any}\n * @ignore\n */\nconst PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {\n  let nextDocumentId = 0;\n\n  /**\n   * The loading task controls the operations required to load a PDF document\n   * (such as network requests) and provides a way to listen for completion,\n   * after which individual pages can be rendered.\n   */\n  // eslint-disable-next-line no-shadow\n  class PDFDocumentLoadingTask {\n    constructor() {\n      this._capability = createPromiseCapability();\n      this._transport = null;\n      this._worker = null;\n\n      /**\n       * Unique identifier for the document loading task.\n       * @type {string}\n       */\n      this.docId = \"d\" + nextDocumentId++;\n\n      /**\n       * Whether the loading task is destroyed or not.\n       * @type {boolean}\n       */\n      this.destroyed = false;\n\n      /**\n       * Callback to request a password if a wrong or no password was provided.\n       * The callback receives two parameters: a function that should be called\n       * with the new password, and a reason (see {@link PasswordResponses}).\n       * @type {function}\n       */\n      this.onPassword = null;\n\n      /**\n       * Callback to be able to monitor the loading progress of the PDF file\n       * (necessary to implement e.g. a loading bar). The callback receives\n       * an {Object} with the properties `loaded` ({number}) and `total`\n       * ({number}) that indicate how many bytes are loaded.\n       * @type {function}\n       */\n      this.onProgress = null;\n\n      /**\n       * Callback for when an unsupported feature is used in the PDF document.\n       * The callback receives an {@link UNSUPPORTED_FEATURES} argument.\n       * @type {function}\n       */\n      this.onUnsupportedFeature = null;\n    }\n\n    /**\n     * Promise for document loading task completion.\n     * @type {Promise<PDFDocumentProxy>}\n     */\n    get promise() {\n      return this._capability.promise;\n    }\n\n    /**\n     * @returns {Promise<void>} A promise that is resolved when destruction is\n     *   completed.\n     */\n    destroy() {\n      this.destroyed = true;\n\n      const transportDestroyed = !this._transport\n        ? Promise.resolve()\n        : this._transport.destroy();\n      return transportDestroyed.then(() => {\n        this._transport = null;\n        if (this._worker) {\n          this._worker.destroy();\n          this._worker = null;\n        }\n      });\n    }\n  }\n  return PDFDocumentLoadingTask;\n})();\n\n/**\n * Abstract class to support range requests file loading.\n */\nclass PDFDataRangeTransport {\n  /**\n   * @param {number} length\n   * @param {Uint8Array} initialData\n   * @param {boolean} [progressiveDone]\n   */\n  constructor(length, initialData, progressiveDone = false) {\n    this.length = length;\n    this.initialData = initialData;\n    this.progressiveDone = progressiveDone;\n\n    this._rangeListeners = [];\n    this._progressListeners = [];\n    this._progressiveReadListeners = [];\n    this._progressiveDoneListeners = [];\n    this._readyCapability = createPromiseCapability();\n  }\n\n  addRangeListener(listener) {\n    this._rangeListeners.push(listener);\n  }\n\n  addProgressListener(listener) {\n    this._progressListeners.push(listener);\n  }\n\n  addProgressiveReadListener(listener) {\n    this._progressiveReadListeners.push(listener);\n  }\n\n  addProgressiveDoneListener(listener) {\n    this._progressiveDoneListeners.push(listener);\n  }\n\n  onDataRange(begin, chunk) {\n    for (const listener of this._rangeListeners) {\n      listener(begin, chunk);\n    }\n  }\n\n  onDataProgress(loaded, total) {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressListeners) {\n        listener(loaded, total);\n      }\n    });\n  }\n\n  onDataProgressiveRead(chunk) {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressiveReadListeners) {\n        listener(chunk);\n      }\n    });\n  }\n\n  onDataProgressiveDone() {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressiveDoneListeners) {\n        listener();\n      }\n    });\n  }\n\n  transportReady() {\n    this._readyCapability.resolve();\n  }\n\n  requestDataRange(begin, end) {\n    unreachable(\"Abstract method PDFDataRangeTransport.requestDataRange\");\n  }\n\n  abort() {}\n}\n\n/**\n * Proxy to a `PDFDocument` in the worker thread.\n */\nclass PDFDocumentProxy {\n  constructor(pdfInfo, transport) {\n    this._pdfInfo = pdfInfo;\n    this._transport = transport;\n  }\n\n  /**\n   * @type {AnnotationStorage} Storage for annotation data in forms.\n   */\n  get annotationStorage() {\n    return shadow(this, \"annotationStorage\", new AnnotationStorage());\n  }\n\n  /**\n   * @type {number} Total number of pages in the PDF file.\n   */\n  get numPages() {\n    return this._pdfInfo.numPages;\n  }\n\n  /**\n   * @type {string} A (not guaranteed to be) unique ID to identify a PDF.\n   */\n  get fingerprint() {\n    return this._pdfInfo.fingerprint;\n  }\n\n  /**\n   * @param {number} pageNumber - The page number to get. The first page is 1.\n   * @returns {Promise<PDFPageProxy>} A promise that is resolved with\n   *   a {@link PDFPageProxy} object.\n   */\n  getPage(pageNumber) {\n    return this._transport.getPage(pageNumber);\n  }\n\n  /**\n   * @param {{num: number, gen: number}} ref - The page reference. Must have\n   *   the `num` and `gen` properties.\n   * @returns {Promise<{num: number, gen: number}>} A promise that is resolved\n   *   with the page index (starting from zero) that is associated with the\n   *   reference.\n   */\n  getPageIndex(ref) {\n    return this._transport.getPageIndex(ref);\n  }\n\n  /**\n   * @returns {Promise<Object<string, Array<any>>>} A promise that is resolved\n   *   with a mapping from named destinations to references.\n   *\n   * This can be slow for large documents. Use `getDestination` instead.\n   */\n  getDestinations() {\n    return this._transport.getDestinations();\n  }\n\n  /**\n   * @param {string} id - The named destination to get.\n   * @returns {Promise<Array<any>>} A promise that is resolved with all\n   *   information of the given named destination.\n   */\n  getDestination(id) {\n    return this._transport.getDestination(id);\n  }\n\n  /**\n   * @returns {Promise<Array<string> | null>} A promise that is resolved with\n   *   an {Array} containing the page labels that correspond to the page\n   *   indexes, or `null` when no page labels are present in the PDF file.\n   */\n  getPageLabels() {\n    return this._transport.getPageLabels();\n  }\n\n  /**\n   * @returns {Promise<string>} A promise that is resolved with a {string}\n   *   containing the page layout name.\n   */\n  getPageLayout() {\n    return this._transport.getPageLayout();\n  }\n\n  /**\n   * @returns {Promise<string>} A promise that is resolved with a {string}\n   *   containing the page mode name.\n   */\n  getPageMode() {\n    return this._transport.getPageMode();\n  }\n\n  /**\n   * @returns {Promise<Object | null>} A promise that is resolved with an\n   *   {Object} containing the viewer preferences, or `null` when no viewer\n   *   preferences are present in the PDF file.\n   */\n  getViewerPreferences() {\n    return this._transport.getViewerPreferences();\n  }\n\n  /**\n   * @returns {Promise<any | null>} A promise that is resolved with an {Array}\n   *   containing the destination, or `null` when no open action is present\n   *   in the PDF.\n   */\n  getOpenAction() {\n    return this._transport.getOpenAction();\n  }\n\n  /**\n   * @returns {Promise<any>} A promise that is resolved with a lookup table\n   *   for mapping named attachments to their content.\n   */\n  getAttachments() {\n    return this._transport.getAttachments();\n  }\n\n  /**\n   * @returns {Promise<Array<string> | null>} A promise that is resolved with\n   *   an {Array} of all the JavaScript strings in the name tree, or `null`\n   *   if no JavaScript exists.\n   */\n  getJavaScript() {\n    return this._transport.getJavaScript();\n  }\n\n  /**\n   * @typedef {Object} OutlineNode\n   * @property {string} title\n   * @property {boolean} bold\n   * @property {boolean} italic\n   * @property {Uint8ClampedArray} color - The color in RGB format to use for\n   *   display purposes.\n   * @property {string | Array<any> | null} dest\n   * @property {string | null} url\n   * @property {string | undefined} unsafeUrl\n   * @property {boolean | undefined} newWindow\n   * @property {number | undefined} count\n   * @property {Array<OutlineNode>} items\n   */\n\n  /**\n   * @returns {Promise<Array<OutlineNode>>} A promise that is resolved with an\n   *   {Array} that is a tree outline (if it has one) of the PDF file.\n   */\n  getOutline() {\n    return this._transport.getOutline();\n  }\n\n  /**\n   * @returns {Promise<OptionalContentConfig>} A promise that is resolved with\n   *   an {@link OptionalContentConfig} that contains all the optional content\n   *   groups (assuming that the document has any).\n   */\n  getOptionalContentConfig() {\n    return this._transport.getOptionalContentConfig();\n  }\n\n  /**\n   * @returns {Promise<Array<number> | null>} A promise that is resolved with\n   *   an {Array} that contains the permission flags for the PDF document, or\n   *   `null` when no permissions are present in the PDF file.\n   */\n  getPermissions() {\n    return this._transport.getPermissions();\n  }\n\n  /**\n   * @returns {Promise<{ info: Object, metadata: Metadata }>} A promise that is\n   *   resolved with an {Object} that has `info` and `metadata` properties.\n   *   `info` is an {Object} filled with anything available in the information\n   *   dictionary and similarly `metadata` is a {Metadata} object with\n   *   information from the metadata section of the PDF.\n   */\n  getMetadata() {\n    return this._transport.getMetadata();\n  }\n\n  /**\n   * @returns {Promise<TypedArray>} A promise that is resolved with a\n   *   {TypedArray} that has the raw data from the PDF.\n   */\n  getData() {\n    return this._transport.getData();\n  }\n\n  /**\n   * @returns {Promise<{ length: number }>} A promise that is resolved when the\n   *   document's data is loaded. It is resolved with an {Object} that contains\n   *   the `length` property that indicates size of the PDF data in bytes.\n   */\n  getDownloadInfo() {\n    return this._transport.downloadInfoCapability.promise;\n  }\n\n  /**\n   * @returns {Promise<PDFDocumentStats>} A promise this is resolved with\n   *   current statistics about document structures (see\n   *   {@link PDFDocumentStats}).\n   */\n  getStats() {\n    return this._transport.getStats();\n  }\n\n  /**\n   * Cleans up resources allocated by the document on both the main and worker\n   * threads.\n   *\n   * NOTE: Do not, under any circumstances, call this method when rendering is\n   * currently ongoing since that may lead to rendering errors.\n   *\n   * @returns {Promise} A promise that is resolved when clean-up has finished.\n   */\n  cleanup() {\n    return this._transport.startCleanup();\n  }\n\n  /**\n   * Destroys the current document instance and terminates the worker.\n   */\n  destroy() {\n    return this.loadingTask.destroy();\n  }\n\n  /**\n   * @type {DocumentInitParameters} A subset of the current\n   *   {DocumentInitParameters}, which are either needed in the viewer and/or\n   *   whose default values may be affected by the `apiCompatibilityParams`.\n   */\n  get loadingParams() {\n    return this._transport.loadingParams;\n  }\n\n  /**\n   * @type {PDFDocumentLoadingTask} The loadingTask for the current document.\n   */\n  get loadingTask() {\n    return this._transport.loadingTask;\n  }\n\n  /**\n   * @param {AnnotationStorage} annotationStorage - Storage for annotation\n   *   data in forms.\n   * @returns {Promise<Uint8Array>} A promise that is resolved with a\n   *   {Uint8Array} containing the full data of the saved document.\n   */\n  saveDocument(annotationStorage) {\n    return this._transport.saveDocument(annotationStorage);\n  }\n}\n\n/**\n * Page getViewport parameters.\n *\n * @typedef {Object} GetViewportParameters\n * @property {number} scale - The desired scale of the viewport.\n * @property {number} [rotation] - The desired rotation, in degrees, of\n *   the viewport. If omitted it defaults to the page rotation.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.\n *   The default value is `0`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.\n *   The default value is `0`.\n * @property {boolean} [dontFlip] - If true, the y-axis will not be\n *   flipped. The default value is `false`.\n */\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} normalizeWhitespace - Replaces all occurrences of\n *   whitespace with standard spaces (0x20). The default value is `false`.\n * @property {boolean} disableCombineTextItems - Do not attempt to combine\n *   same line {@link TextItem}'s. The default value is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {Array<TextItem>} items - Array of {@link TextItem} objects.\n * @property {Object<string, TextStyle>} styles - {@link TextStyle} objects,\n *   indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - Text content.\n * @property {string} dir - Text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {Array<any>} transform - Transformation matrix.\n * @property {number} width - Width in device space.\n * @property {number} height - Height in device space.\n * @property {string} fontName - Font name used by PDF.js for converted font.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - Font ascent.\n * @property {number} descent - Font descent.\n * @property {boolean} vertical - Whether or not the text is in vertical mode.\n * @property {string} fontFamily - The possible font family.\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} intent - Determines the annotations that will be fetched,\n *   can be either 'display' (viewable annotations) or 'print' (printable\n *   annotations). If the parameter is omitted, all annotations are fetched.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by calling\n *   the `PDFPageProxy.getViewport` method.\n * @property {string} [intent] - Rendering intent, can be 'display' or 'print'.\n *   The default value is 'display'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [renderInteractiveForms] - Whether or not interactive\n *   form elements are rendered in the display layer. If so, we do not render\n *   them on the canvas as well.\n * @property {Array<any>} [transform] - Additional transform, applied just\n *   before viewport transform.\n * @property {Object} [imageLayer] - An object that has `beginLayout`,\n *   `endLayout` and `appendImage` functions.\n * @property {Object} [canvasFactory] - The factory instance that will be used\n *   when creating canvases. The default value is {new DOMCanvasFactory()}.\n * @property {Object | string} [background] - Background to use for the canvas.\n *   Any valid `canvas.fillStyle` can be used: a `DOMString` parsed as CSS\n *   <color> value, a `CanvasGradient` object (a linear or radial gradient) or\n *   a `CanvasPattern` object (a repetitive image). The default value is\n *   'rgb(255,255,255)'.\n * @property {AnnotationStorage} [annotationStorage] - Storage for annotation\n *   data in forms.\n * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -\n *   A promise that should resolve with an {@link OptionalContentConfig}\n *   created from `PDFDocumentProxy.getOptionalContentConfig`. If `null`,\n *   the configuration will be fetched automatically with the default visibility\n *   states set.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array<number>} fnArray - Array containing the operator functions.\n * @property {Array<any>} argsArray - Array containing the arguments of the\n *   functions.\n */\n\n/**\n * Proxy to a `PDFPage` in the worker thread.\n */\nclass PDFPageProxy {\n  constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {\n    this._pageIndex = pageIndex;\n    this._pageInfo = pageInfo;\n    this._ownerDocument = ownerDocument;\n    this._transport = transport;\n    this._stats = pdfBug ? new StatTimer() : null;\n    this._pdfBug = pdfBug;\n    this.commonObjs = transport.commonObjs;\n    this.objs = new PDFObjects();\n\n    this.cleanupAfterRender = false;\n    this.pendingCleanup = false;\n    this._intentStates = new Map();\n    this.destroyed = false;\n  }\n\n  /**\n   * @type {number} Page number of the page. First page is 1.\n   */\n  get pageNumber() {\n    return this._pageIndex + 1;\n  }\n\n  /**\n   * @type {number} The number of degrees the page is rotated clockwise.\n   */\n  get rotate() {\n    return this._pageInfo.rotate;\n  }\n\n  /**\n   * @type {Object} The reference that points to this page. It has `num` and\n   *   `gen` properties.\n   */\n  get ref() {\n    return this._pageInfo.ref;\n  }\n\n  /**\n   * @type {number} The default size of units in 1/72nds of an inch.\n   */\n  get userUnit() {\n    return this._pageInfo.userUnit;\n  }\n\n  /**\n   * @type {Array<number>} An array of the visible portion of the PDF page in\n   *   user space units [x1, y1, x2, y2].\n   */\n  get view() {\n    return this._pageInfo.view;\n  }\n\n  /**\n   * @param {GetViewportParameters} params - Viewport parameters.\n   * @returns {PageViewport} Contains 'width' and 'height' properties\n   *   along with transforms required for rendering.\n   */\n  getViewport({\n    scale,\n    rotation = this.rotate,\n    offsetX = 0,\n    offsetY = 0,\n    dontFlip = false,\n  } = {}) {\n    return new PageViewport({\n      viewBox: this.view,\n      scale,\n      rotation,\n      offsetX,\n      offsetY,\n      dontFlip,\n    });\n  }\n\n  /**\n   * @param {GetAnnotationsParameters} params - Annotation parameters.\n   * @returns {Promise<Array<any>>} A promise that is resolved with an\n   *   {Array} of the annotation objects.\n   */\n  getAnnotations({ intent = null } = {}) {\n    if (!this.annotationsPromise || this.annotationsIntent !== intent) {\n      this.annotationsPromise = this._transport.getAnnotations(\n        this._pageIndex,\n        intent\n      );\n      this.annotationsIntent = intent;\n    }\n    return this.annotationsPromise;\n  }\n\n  /**\n   * Begins the process of rendering a page to the desired context.\n   *\n   * @param {RenderParameters} params Page render parameters.\n   * @returns {RenderTask} An object that contains a promise that is\n   *   resolved when the page finishes rendering.\n   */\n  render({\n    canvasContext,\n    viewport,\n    intent = \"display\",\n    enableWebGL = false,\n    renderInteractiveForms = false,\n    transform = null,\n    imageLayer = null,\n    canvasFactory = null,\n    background = null,\n    annotationStorage = null,\n    optionalContentConfigPromise = null,\n  }) {\n    if (this._stats) {\n      this._stats.time(\"Overall\");\n    }\n\n    const renderingIntent = intent === \"print\" ? \"print\" : \"display\";\n    // If there was a pending destroy, cancel it so no cleanup happens during\n    // this call to render.\n    this.pendingCleanup = false;\n\n    if (!optionalContentConfigPromise) {\n      optionalContentConfigPromise = this._transport.getOptionalContentConfig();\n    }\n\n    let intentState = this._intentStates.get(renderingIntent);\n    if (!intentState) {\n      intentState = Object.create(null);\n      this._intentStates.set(renderingIntent, intentState);\n    }\n\n    // Ensure that a pending `streamReader` cancel timeout is always aborted.\n    if (intentState.streamReaderCancelTimeout) {\n      clearTimeout(intentState.streamReaderCancelTimeout);\n      intentState.streamReaderCancelTimeout = null;\n    }\n\n    const canvasFactoryInstance =\n      canvasFactory ||\n      new DefaultCanvasFactory({ ownerDocument: this._ownerDocument });\n    const webGLContext = new WebGLContext({\n      enable: enableWebGL,\n    });\n\n    // If there's no displayReadyCapability yet, then the operatorList\n    // was never requested before. Make the request and create the promise.\n    if (!intentState.displayReadyCapability) {\n      intentState.displayReadyCapability = createPromiseCapability();\n      intentState.operatorList = {\n        fnArray: [],\n        argsArray: [],\n        lastChunk: false,\n      };\n\n      if (this._stats) {\n        this._stats.time(\"Page Request\");\n      }\n      this._pumpOperatorList({\n        pageIndex: this._pageIndex,\n        intent: renderingIntent,\n        renderInteractiveForms: renderInteractiveForms === true,\n        annotationStorage:\n          (annotationStorage && annotationStorage.getAll()) || null,\n      });\n    }\n\n    const complete = error => {\n      const i = intentState.renderTasks.indexOf(internalRenderTask);\n      if (i >= 0) {\n        intentState.renderTasks.splice(i, 1);\n      }\n\n      // Attempt to reduce memory usage during *printing*, by always running\n      // cleanup once rendering has finished (regardless of cleanupAfterRender).\n      if (this.cleanupAfterRender || renderingIntent === \"print\") {\n        this.pendingCleanup = true;\n      }\n      this._tryCleanup();\n\n      if (error) {\n        internalRenderTask.capability.reject(error);\n\n        this._abortOperatorList({\n          intentState,\n          reason: error,\n        });\n      } else {\n        internalRenderTask.capability.resolve();\n      }\n      if (this._stats) {\n        this._stats.timeEnd(\"Rendering\");\n        this._stats.timeEnd(\"Overall\");\n      }\n    };\n\n    const internalRenderTask = new InternalRenderTask({\n      callback: complete,\n      // Only include the required properties, and *not* the entire object.\n      params: {\n        canvasContext,\n        viewport,\n        transform,\n        imageLayer,\n        background,\n      },\n      objs: this.objs,\n      commonObjs: this.commonObjs,\n      operatorList: intentState.operatorList,\n      pageIndex: this._pageIndex,\n      canvasFactory: canvasFactoryInstance,\n      webGLContext,\n      useRequestAnimationFrame: renderingIntent !== \"print\",\n      pdfBug: this._pdfBug,\n    });\n\n    if (!intentState.renderTasks) {\n      intentState.renderTasks = [];\n    }\n    intentState.renderTasks.push(internalRenderTask);\n    const renderTask = internalRenderTask.task;\n\n    Promise.all([\n      intentState.displayReadyCapability.promise,\n      optionalContentConfigPromise,\n    ])\n      .then(([transparency, optionalContentConfig]) => {\n        if (this.pendingCleanup) {\n          complete();\n          return;\n        }\n        if (this._stats) {\n          this._stats.time(\"Rendering\");\n        }\n        internalRenderTask.initializeGraphics({\n          transparency,\n          optionalContentConfig,\n        });\n        internalRenderTask.operatorListChanged();\n      })\n      .catch(complete);\n\n    return renderTask;\n  }\n\n  /**\n   * @returns {Promise<PDFOperatorList>} A promise resolved with an\n   *   {@link PDFOperatorList} object that represents page's operator list.\n   */\n  getOperatorList() {\n    function operatorListChanged() {\n      if (intentState.operatorList.lastChunk) {\n        intentState.opListReadCapability.resolve(intentState.operatorList);\n\n        const i = intentState.renderTasks.indexOf(opListTask);\n        if (i >= 0) {\n          intentState.renderTasks.splice(i, 1);\n        }\n      }\n    }\n\n    const renderingIntent = \"oplist\";\n    let intentState = this._intentStates.get(renderingIntent);\n    if (!intentState) {\n      intentState = Object.create(null);\n      this._intentStates.set(renderingIntent, intentState);\n    }\n    let opListTask;\n\n    if (!intentState.opListReadCapability) {\n      opListTask = Object.create(null);\n      opListTask.operatorListChanged = operatorListChanged;\n      intentState.opListReadCapability = createPromiseCapability();\n      intentState.renderTasks = [];\n      intentState.renderTasks.push(opListTask);\n      intentState.operatorList = {\n        fnArray: [],\n        argsArray: [],\n        lastChunk: false,\n      };\n\n      if (this._stats) {\n        this._stats.time(\"Page Request\");\n      }\n      this._pumpOperatorList({\n        pageIndex: this._pageIndex,\n        intent: renderingIntent,\n      });\n    }\n    return intentState.opListReadCapability.promise;\n  }\n\n  /**\n   * @param {getTextContentParameters} params - getTextContent parameters.\n   * @returns {ReadableStream} Stream for reading text content chunks.\n   */\n  streamTextContent({\n    normalizeWhitespace = false,\n    disableCombineTextItems = false,\n  } = {}) {\n    const TEXT_CONTENT_CHUNK_SIZE = 100;\n\n    return this._transport.messageHandler.sendWithStream(\n      \"GetTextContent\",\n      {\n        pageIndex: this._pageIndex,\n        normalizeWhitespace: normalizeWhitespace === true,\n        combineTextItems: disableCombineTextItems !== true,\n      },\n      {\n        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n        size(textContent) {\n          return textContent.items.length;\n        },\n      }\n    );\n  }\n\n  /**\n   * @param {getTextContentParameters} params - getTextContent parameters.\n   * @returns {Promise<TextContent>} A promise that is resolved with a\n   *   {@link TextContent} object that represents the page's text content.\n   */\n  getTextContent(params = {}) {\n    const readableStream = this.streamTextContent(params);\n\n    return new Promise(function (resolve, reject) {\n      function pump() {\n        reader.read().then(function ({ value, done }) {\n          if (done) {\n            resolve(textContent);\n            return;\n          }\n          Object.assign(textContent.styles, value.styles);\n          textContent.items.push(...value.items);\n          pump();\n        }, reject);\n      }\n\n      const reader = readableStream.getReader();\n      const textContent = {\n        items: [],\n        styles: Object.create(null),\n      };\n      pump();\n    });\n  }\n\n  /**\n   * Destroys the page object.\n   * @private\n   */\n  _destroy() {\n    this.destroyed = true;\n    this._transport.pageCache[this._pageIndex] = null;\n\n    const waitOn = [];\n    for (const [intent, intentState] of this._intentStates) {\n      this._abortOperatorList({\n        intentState,\n        reason: new Error(\"Page was destroyed.\"),\n        force: true,\n      });\n\n      if (intent === \"oplist\") {\n        // Avoid errors below, since the renderTasks are just stubs.\n        continue;\n      }\n      for (const internalRenderTask of intentState.renderTasks) {\n        waitOn.push(internalRenderTask.completed);\n        internalRenderTask.cancel();\n      }\n    }\n    this.objs.clear();\n    this.annotationsPromise = null;\n    this.pendingCleanup = false;\n    return Promise.all(waitOn);\n  }\n\n  /**\n   * Cleans up resources allocated by the page.\n   *\n   * @param {boolean} [resetStats] - Reset page stats, if enabled.\n   *   The default value is `false`.\n   * @returns {boolean} Indicates if clean-up was successfully run.\n   */\n  cleanup(resetStats = false) {\n    this.pendingCleanup = true;\n    return this._tryCleanup(resetStats);\n  }\n\n  /**\n   * Attempts to clean up if rendering is in a state where that's possible.\n   * @private\n   */\n  _tryCleanup(resetStats = false) {\n    if (!this.pendingCleanup) {\n      return false;\n    }\n    for (const { renderTasks, operatorList } of this._intentStates.values()) {\n      if (renderTasks.length !== 0 || !operatorList.lastChunk) {\n        return false;\n      }\n    }\n\n    this._intentStates.clear();\n    this.objs.clear();\n    this.annotationsPromise = null;\n    if (resetStats && this._stats) {\n      this._stats = new StatTimer();\n    }\n    this.pendingCleanup = false;\n    return true;\n  }\n\n  /**\n   * @private\n   */\n  _startRenderPage(transparency, intent) {\n    const intentState = this._intentStates.get(intent);\n    if (!intentState) {\n      return; // Rendering was cancelled.\n    }\n    if (this._stats) {\n      this._stats.timeEnd(\"Page Request\");\n    }\n    // TODO Refactor RenderPageRequest to separate rendering\n    // and operator list logic\n    if (intentState.displayReadyCapability) {\n      intentState.displayReadyCapability.resolve(transparency);\n    }\n  }\n\n  /**\n   * @private\n   */\n  _renderPageChunk(operatorListChunk, intentState) {\n    // Add the new chunk to the current operator list.\n    for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {\n      intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n      intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);\n    }\n    intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n\n    // Notify all the rendering tasks there are more operators to be consumed.\n    for (let i = 0; i < intentState.renderTasks.length; i++) {\n      intentState.renderTasks[i].operatorListChanged();\n    }\n\n    if (operatorListChunk.lastChunk) {\n      this._tryCleanup();\n    }\n  }\n\n  /**\n   * @private\n   */\n  _pumpOperatorList(args) {\n    assert(\n      args.intent,\n      'PDFPageProxy._pumpOperatorList: Expected \"intent\" argument.'\n    );\n\n    const readableStream = this._transport.messageHandler.sendWithStream(\n      \"GetOperatorList\",\n      args\n    );\n    const reader = readableStream.getReader();\n\n    const intentState = this._intentStates.get(args.intent);\n    intentState.streamReader = reader;\n\n    const pump = () => {\n      reader.read().then(\n        ({ value, done }) => {\n          if (done) {\n            intentState.streamReader = null;\n            return;\n          }\n          if (this._transport.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          this._renderPageChunk(value, intentState);\n          pump();\n        },\n        reason => {\n          intentState.streamReader = null;\n\n          if (this._transport.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          if (intentState.operatorList) {\n            // Mark operator list as complete.\n            intentState.operatorList.lastChunk = true;\n\n            for (let i = 0; i < intentState.renderTasks.length; i++) {\n              intentState.renderTasks[i].operatorListChanged();\n            }\n            this._tryCleanup();\n          }\n\n          if (intentState.displayReadyCapability) {\n            intentState.displayReadyCapability.reject(reason);\n          } else if (intentState.opListReadCapability) {\n            intentState.opListReadCapability.reject(reason);\n          } else {\n            throw reason;\n          }\n        }\n      );\n    };\n    pump();\n  }\n\n  /**\n   * @private\n   */\n  _abortOperatorList({ intentState, reason, force = false }) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'PDFPageProxy._abortOperatorList: Expected \"reason\" argument.'\n    );\n\n    if (!intentState.streamReader) {\n      return;\n    }\n    if (!force) {\n      // Ensure that an Error occurring in *only* one `InternalRenderTask`, e.g.\n      // multiple render() calls on the same canvas, won't break all rendering.\n      if (intentState.renderTasks.length !== 0) {\n        return;\n      }\n      // Don't immediately abort parsing on the worker-thread when rendering is\n      // cancelled, since that will unnecessarily delay re-rendering when (for\n      // partially parsed pages) e.g. zooming/rotation occurs in the viewer.\n      if (reason instanceof RenderingCancelledException) {\n        intentState.streamReaderCancelTimeout = setTimeout(() => {\n          this._abortOperatorList({ intentState, reason, force: true });\n          intentState.streamReaderCancelTimeout = null;\n        }, RENDERING_CANCELLED_TIMEOUT);\n        return;\n      }\n    }\n    intentState.streamReader.cancel(\n      new AbortException(reason && reason.message)\n    );\n    intentState.streamReader = null;\n\n    if (this._transport.destroyed) {\n      return; // Ignore any pending requests if the worker was terminated.\n    }\n    // Remove the current `intentState`, since a cancelled `getOperatorList`\n    // call on the worker-thread cannot be re-started...\n    for (const [intent, curIntentState] of this._intentStates) {\n      if (curIntentState === intentState) {\n        this._intentStates.delete(intent);\n        break;\n      }\n    }\n    // ... and force clean-up to ensure that any old state is always removed.\n    this.cleanup();\n  }\n\n  /**\n   * @type {Object} Returns page stats, if enabled; returns `null` otherwise.\n   */\n  get stats() {\n    return this._stats;\n  }\n}\n\nclass LoopbackPort {\n  constructor(defer = true) {\n    this._listeners = [];\n    this._defer = defer;\n    this._deferred = Promise.resolve(undefined);\n  }\n\n  postMessage(obj, transfers) {\n    function cloneValue(value) {\n      // Trying to perform a structured clone close to the spec, including\n      // transfers.\n      if (typeof value !== \"object\" || value === null) {\n        return value;\n      }\n      if (cloned.has(value)) {\n        // already cloned the object\n        return cloned.get(value);\n      }\n      let buffer, result;\n      if ((buffer = value.buffer) && isArrayBuffer(buffer)) {\n        // We found object with ArrayBuffer (typed array).\n        const transferable = transfers && transfers.includes(buffer);\n        if (transferable) {\n          result = new value.constructor(\n            buffer,\n            value.byteOffset,\n            value.byteLength\n          );\n        } else {\n          result = new value.constructor(value);\n        }\n        cloned.set(value, result);\n        return result;\n      }\n      result = Array.isArray(value) ? [] : {};\n      cloned.set(value, result); // adding to cache now for cyclic references\n      // Cloning all value and object properties, however ignoring properties\n      // defined via getter.\n      for (const i in value) {\n        let desc,\n          p = value;\n        while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {\n          p = Object.getPrototypeOf(p);\n        }\n        if (typeof desc.value === \"undefined\") {\n          continue;\n        }\n        if (typeof desc.value === \"function\") {\n          if (value.hasOwnProperty && value.hasOwnProperty(i)) {\n            throw new Error(\n              `LoopbackPort.postMessage - cannot clone: ${value[i]}`\n            );\n          }\n          continue;\n        }\n        result[i] = cloneValue(desc.value);\n      }\n      return result;\n    }\n\n    if (!this._defer) {\n      this._listeners.forEach(listener => {\n        listener.call(this, { data: obj });\n      });\n      return;\n    }\n\n    const cloned = new WeakMap();\n    const e = { data: cloneValue(obj) };\n    this._deferred.then(() => {\n      this._listeners.forEach(listener => {\n        listener.call(this, e);\n      });\n    });\n  }\n\n  addEventListener(name, listener) {\n    this._listeners.push(listener);\n  }\n\n  removeEventListener(name, listener) {\n    const i = this._listeners.indexOf(listener);\n    this._listeners.splice(i, 1);\n  }\n\n  terminate() {\n    this._listeners.length = 0;\n  }\n}\n\n/**\n * @typedef {Object} PDFWorkerParameters\n * @property {string} [name] - The name of the worker.\n * @property {Object} [port] - The `workerPort` object.\n * @property {number} [verbosity] - Controls the logging level; the\n *   constants from {@link VerbosityLevel} should be used.\n */\n\n/** @type {any} */\nconst PDFWorker = (function PDFWorkerClosure() {\n  const pdfWorkerPorts = new WeakMap();\n  let isWorkerDisabled = false;\n  let fallbackWorkerSrc;\n  let nextFakeWorkerId = 0;\n  let fakeWorkerCapability;\n\n  if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"GENERIC\")) {\n    // eslint-disable-next-line no-undef\n    if (isNodeJS && typeof __non_webpack_require__ === \"function\") {\n      // Workers aren't supported in Node.js, force-disabling them there.\n      isWorkerDisabled = true;\n\n      if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"LIB\")) {\n        fallbackWorkerSrc = \"../pdf.worker.js\";\n      } else {\n        fallbackWorkerSrc = \"./pdf.worker.js\";\n      }\n    } else if (typeof document === \"object\" && \"currentScript\" in document) {\n      const pdfjsFilePath =\n        document.currentScript && document.currentScript.src;\n      if (pdfjsFilePath) {\n        fallbackWorkerSrc = pdfjsFilePath.replace(\n          /(\\.(?:min\\.)?js)(\\?.*)?$/i,\n          \".worker$1$2\"\n        );\n      }\n    }\n  }\n\n  function getWorkerSrc() {\n    if (GlobalWorkerOptions.workerSrc) {\n      return GlobalWorkerOptions.workerSrc;\n    }\n    if (typeof fallbackWorkerSrc !== \"undefined\") {\n      if (!isNodeJS) {\n        deprecated('No \"GlobalWorkerOptions.workerSrc\" specified.');\n      }\n      return fallbackWorkerSrc;\n    }\n    throw new Error('No \"GlobalWorkerOptions.workerSrc\" specified.');\n  }\n\n  function getMainThreadWorkerMessageHandler() {\n    let mainWorkerMessageHandler;\n    try {\n      mainWorkerMessageHandler =\n        globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;\n    } catch (ex) {\n      /* Ignore errors. */\n    }\n    return mainWorkerMessageHandler || null;\n  }\n\n  // Loads worker code into main thread.\n  function setupFakeWorkerGlobal() {\n    if (fakeWorkerCapability) {\n      return fakeWorkerCapability.promise;\n    }\n    fakeWorkerCapability = createPromiseCapability();\n\n    const loader = async function () {\n      const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();\n\n      if (mainWorkerMessageHandler) {\n        // The worker was already loaded using e.g. a `<script>` tag.\n        return mainWorkerMessageHandler;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n        if (typeof SystemJS !== \"object\") {\n          // Manually load SystemJS, since it's only necessary for fake workers.\n          await loadScript(\"../node_modules/systemjs/dist/system.js\");\n          await loadScript(\"../systemjs.config.js\");\n        }\n        const worker = await SystemJS.import(\"pdfjs/core/worker.js\");\n        return worker.WorkerMessageHandler;\n      }\n      if (\n        PDFJSDev.test(\"GENERIC\") &&\n        isNodeJS &&\n        // eslint-disable-next-line no-undef\n        typeof __non_webpack_require__ === \"function\"\n      ) {\n        // Since bundlers, such as Webpack, cannot be told to leave `require`\n        // statements alone we are thus forced to jump through hoops in order\n        // to prevent `Critical dependency: ...` warnings in third-party\n        // deployments of the built `pdf.js`/`pdf.worker.js` files; see\n        // https://github.com/webpack/webpack/issues/8826\n        //\n        // The following hack is based on the assumption that code running in\n        // Node.js won't ever be affected by e.g. Content Security Policies that\n        // prevent the use of `eval`. If that ever occurs, we should revert this\n        // to a normal `__non_webpack_require__` statement and simply document\n        // the Webpack warnings instead (telling users to ignore them).\n        //\n        // eslint-disable-next-line no-eval\n        const worker = eval(\"require\")(getWorkerSrc());\n        return worker.WorkerMessageHandler;\n      }\n      await loadScript(getWorkerSrc());\n      return window.pdfjsWorker.WorkerMessageHandler;\n    };\n    loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);\n\n    return fakeWorkerCapability.promise;\n  }\n\n  function createCDNWrapper(url) {\n    // We will rely on blob URL's property to specify origin.\n    // We want this function to fail in case if createObjectURL or Blob do not\n    // exist or fail for some reason -- our Worker creation will fail anyway.\n    const wrapper = \"importScripts('\" + url + \"');\";\n    return URL.createObjectURL(new Blob([wrapper]));\n  }\n\n  /**\n   * PDF.js web worker abstraction that controls the instantiation of PDF\n   * documents. Message handlers are used to pass information from the main\n   * thread to the worker thread and vice versa. If the creation of a web\n   * worker is not possible, a \"fake\" worker will be used instead.\n   */\n  // eslint-disable-next-line no-shadow\n  class PDFWorker {\n    /**\n     * @param {PDFWorkerParameters} params - Worker initialization parameters.\n     */\n    constructor({\n      name = null,\n      port = null,\n      verbosity = getVerbosityLevel(),\n    } = {}) {\n      if (port && pdfWorkerPorts.has(port)) {\n        throw new Error(\"Cannot use more than one PDFWorker per port\");\n      }\n\n      this.name = name;\n      this.destroyed = false;\n      this.postMessageTransfers = true;\n      this.verbosity = verbosity;\n\n      this._readyCapability = createPromiseCapability();\n      this._port = null;\n      this._webWorker = null;\n      this._messageHandler = null;\n\n      if (port) {\n        pdfWorkerPorts.set(port, this);\n        this._initializeFromPort(port);\n        return;\n      }\n      this._initialize();\n    }\n\n    get promise() {\n      return this._readyCapability.promise;\n    }\n\n    get port() {\n      return this._port;\n    }\n\n    get messageHandler() {\n      return this._messageHandler;\n    }\n\n    _initializeFromPort(port) {\n      this._port = port;\n      this._messageHandler = new MessageHandler(\"main\", \"worker\", port);\n      this._messageHandler.on(\"ready\", function () {\n        // Ignoring 'ready' event -- MessageHandler shall be already initialized\n        // and ready to accept the messages.\n      });\n      this._readyCapability.resolve();\n    }\n\n    _initialize() {\n      // If worker support isn't disabled explicit and the browser has worker\n      // support, create a new web worker and test if it/the browser fulfills\n      // all requirements to run parts of pdf.js in a web worker.\n      // Right now, the requirement is, that an Uint8Array is still an\n      // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)\n      if (\n        typeof Worker !== \"undefined\" &&\n        !isWorkerDisabled &&\n        !getMainThreadWorkerMessageHandler()\n      ) {\n        let workerSrc = getWorkerSrc();\n\n        try {\n          // Wraps workerSrc path into blob URL, if the former does not belong\n          // to the same origin.\n          if (\n            typeof PDFJSDev !== \"undefined\" &&\n            PDFJSDev.test(\"GENERIC\") &&\n            !isSameOrigin(window.location.href, workerSrc)\n          ) {\n            workerSrc = createCDNWrapper(\n              new URL(workerSrc, window.location).href\n            );\n          }\n\n          // Some versions of FF can't create a worker on localhost, see:\n          // https://bugzilla.mozilla.org/show_bug.cgi?id=683280\n          const worker = new Worker(workerSrc);\n          const messageHandler = new MessageHandler(\"main\", \"worker\", worker);\n          const terminateEarly = () => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            messageHandler.destroy();\n            worker.terminate();\n            if (this.destroyed) {\n              this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n            } else {\n              // Fall back to fake worker if the termination is caused by an\n              // error (e.g. NetworkError / SecurityError).\n              this._setupFakeWorker();\n            }\n          };\n\n          const onWorkerError = () => {\n            if (!this._webWorker) {\n              // Worker failed to initialize due to an error. Clean up and fall\n              // back to the fake worker.\n              terminateEarly();\n            }\n          };\n          worker.addEventListener(\"error\", onWorkerError);\n\n          messageHandler.on(\"test\", data => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            if (this.destroyed) {\n              terminateEarly();\n              return; // worker was destroyed\n            }\n            if (data) {\n              // supportTypedArray\n              this._messageHandler = messageHandler;\n              this._port = worker;\n              this._webWorker = worker;\n              if (!data.supportTransfers) {\n                this.postMessageTransfers = false;\n              }\n              this._readyCapability.resolve();\n              // Send global setting, e.g. verbosity level.\n              messageHandler.send(\"configure\", {\n                verbosity: this.verbosity,\n              });\n            } else {\n              this._setupFakeWorker();\n              messageHandler.destroy();\n              worker.terminate();\n            }\n          });\n\n          messageHandler.on(\"ready\", data => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            if (this.destroyed) {\n              terminateEarly();\n              return; // worker was destroyed\n            }\n            try {\n              sendTest();\n            } catch (e) {\n              // We need fallback to a faked worker.\n              this._setupFakeWorker();\n            }\n          });\n\n          const sendTest = () => {\n            const testObj = new Uint8Array([\n              this.postMessageTransfers ? 255 : 0,\n            ]);\n            // Some versions of Opera throw a DATA_CLONE_ERR on serializing the\n            // typed array. Also, checking if we can use transfers.\n            try {\n              messageHandler.send(\"test\", testObj, [testObj.buffer]);\n            } catch (ex) {\n              warn(\"Cannot use postMessage transfers.\");\n              testObj[0] = 0;\n              messageHandler.send(\"test\", testObj);\n            }\n          };\n\n          // It might take time for worker to initialize (especially when AMD\n          // loader is used). We will try to send test immediately, and then\n          // when 'ready' message will arrive. The worker shall process only\n          // first received 'test'.\n          sendTest();\n          return;\n        } catch (e) {\n          info(\"The worker has been disabled.\");\n        }\n      }\n      // Either workers are disabled, not supported or have thrown an exception.\n      // Thus, we fallback to a faked worker.\n      this._setupFakeWorker();\n    }\n\n    _setupFakeWorker() {\n      if (!isWorkerDisabled) {\n        warn(\"Setting up fake worker.\");\n        isWorkerDisabled = true;\n      }\n\n      setupFakeWorkerGlobal()\n        .then(WorkerMessageHandler => {\n          if (this.destroyed) {\n            this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n            return;\n          }\n          const port = new LoopbackPort();\n          this._port = port;\n\n          // All fake workers use the same port, making id unique.\n          const id = \"fake\" + nextFakeWorkerId++;\n\n          // If the main thread is our worker, setup the handling for the\n          // messages -- the main thread sends to it self.\n          const workerHandler = new MessageHandler(id + \"_worker\", id, port);\n          WorkerMessageHandler.setup(workerHandler, port);\n\n          const messageHandler = new MessageHandler(id, id + \"_worker\", port);\n          this._messageHandler = messageHandler;\n          this._readyCapability.resolve();\n          // Send global setting, e.g. verbosity level.\n          messageHandler.send(\"configure\", {\n            verbosity: this.verbosity,\n          });\n        })\n        .catch(reason => {\n          this._readyCapability.reject(\n            new Error(`Setting up fake worker failed: \"${reason.message}\".`)\n          );\n        });\n    }\n\n    /**\n     * Destroys the worker instance.\n     */\n    destroy() {\n      this.destroyed = true;\n      if (this._webWorker) {\n        // We need to terminate only web worker created resource.\n        this._webWorker.terminate();\n        this._webWorker = null;\n      }\n      pdfWorkerPorts.delete(this._port);\n      this._port = null;\n      if (this._messageHandler) {\n        this._messageHandler.destroy();\n        this._messageHandler = null;\n      }\n    }\n\n    /**\n     * @param {PDFWorkerParameters} params - The worker initialization\n     *   parameters.\n     */\n    static fromPort(params) {\n      if (!params || !params.port) {\n        throw new Error(\"PDFWorker.fromPort - invalid method signature.\");\n      }\n      if (pdfWorkerPorts.has(params.port)) {\n        return pdfWorkerPorts.get(params.port);\n      }\n      return new PDFWorker(params);\n    }\n\n    static getWorkerSrc() {\n      return getWorkerSrc();\n    }\n  }\n  return PDFWorker;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nclass WorkerTransport {\n  constructor(messageHandler, loadingTask, networkStream, params) {\n    this.messageHandler = messageHandler;\n    this.loadingTask = loadingTask;\n    this.commonObjs = new PDFObjects();\n    this.fontLoader = new FontLoader({\n      docId: loadingTask.docId,\n      onUnsupportedFeature: this._onUnsupportedFeature.bind(this),\n      ownerDocument: params.ownerDocument,\n    });\n    this._params = params;\n    this.CMapReaderFactory = new params.CMapReaderFactory({\n      baseUrl: params.cMapUrl,\n      isCompressed: params.cMapPacked,\n    });\n\n    this.destroyed = false;\n    this.destroyCapability = null;\n    this._passwordCapability = null;\n\n    this._networkStream = networkStream;\n    this._fullReader = null;\n    this._lastProgress = null;\n\n    this.pageCache = [];\n    this.pagePromises = [];\n    this.downloadInfoCapability = createPromiseCapability();\n\n    this.setupMessageHandler();\n  }\n\n  destroy() {\n    if (this.destroyCapability) {\n      return this.destroyCapability.promise;\n    }\n\n    this.destroyed = true;\n    this.destroyCapability = createPromiseCapability();\n\n    if (this._passwordCapability) {\n      this._passwordCapability.reject(\n        new Error(\"Worker was destroyed during onPassword callback\")\n      );\n    }\n\n    const waitOn = [];\n    // We need to wait for all renderings to be completed, e.g.\n    // timeout/rAF can take a long time.\n    this.pageCache.forEach(function (page) {\n      if (page) {\n        waitOn.push(page._destroy());\n      }\n    });\n    this.pageCache.length = 0;\n    this.pagePromises.length = 0;\n    // We also need to wait for the worker to finish its long running tasks.\n    const terminated = this.messageHandler.sendWithPromise(\"Terminate\", null);\n    waitOn.push(terminated);\n    Promise.all(waitOn).then(() => {\n      this.fontLoader.clear();\n      if (this._networkStream) {\n        this._networkStream.cancelAllRequests(\n          new AbortException(\"Worker was terminated.\")\n        );\n      }\n\n      if (this.messageHandler) {\n        this.messageHandler.destroy();\n        this.messageHandler = null;\n      }\n      this.destroyCapability.resolve();\n    }, this.destroyCapability.reject);\n    return this.destroyCapability.promise;\n  }\n\n  setupMessageHandler() {\n    const { messageHandler, loadingTask } = this;\n\n    messageHandler.on(\"GetReader\", (data, sink) => {\n      assert(\n        this._networkStream,\n        \"GetReader - no `IPDFStream` instance available.\"\n      );\n      this._fullReader = this._networkStream.getFullReader();\n      this._fullReader.onProgress = evt => {\n        this._lastProgress = {\n          loaded: evt.loaded,\n          total: evt.total,\n        };\n      };\n      sink.onPull = () => {\n        this._fullReader\n          .read()\n          .then(function ({ value, done }) {\n            if (done) {\n              sink.close();\n              return;\n            }\n            assert(\n              isArrayBuffer(value),\n              \"GetReader - expected an ArrayBuffer.\"\n            );\n            // Enqueue data chunk into sink, and transfer it\n            // to other side as `Transferable` object.\n            sink.enqueue(new Uint8Array(value), 1, [value]);\n          })\n          .catch(reason => {\n            sink.error(reason);\n          });\n      };\n\n      sink.onCancel = reason => {\n        this._fullReader.cancel(reason);\n\n        sink.ready.catch(readyReason => {\n          if (this.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          throw readyReason;\n        });\n      };\n    });\n\n    messageHandler.on(\"ReaderHeadersReady\", data => {\n      const headersCapability = createPromiseCapability();\n      const fullReader = this._fullReader;\n      fullReader.headersReady.then(() => {\n        // If stream or range are disabled, it's our only way to report\n        // loading progress.\n        if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {\n          if (this._lastProgress && loadingTask.onProgress) {\n            loadingTask.onProgress(this._lastProgress);\n          }\n          fullReader.onProgress = evt => {\n            if (loadingTask.onProgress) {\n              loadingTask.onProgress({\n                loaded: evt.loaded,\n                total: evt.total,\n              });\n            }\n          };\n        }\n\n        headersCapability.resolve({\n          isStreamingSupported: fullReader.isStreamingSupported,\n          isRangeSupported: fullReader.isRangeSupported,\n          contentLength: fullReader.contentLength,\n        });\n      }, headersCapability.reject);\n\n      return headersCapability.promise;\n    });\n\n    messageHandler.on(\"GetRangeReader\", (data, sink) => {\n      assert(\n        this._networkStream,\n        \"GetRangeReader - no `IPDFStream` instance available.\"\n      );\n      const rangeReader = this._networkStream.getRangeReader(\n        data.begin,\n        data.end\n      );\n\n      // When streaming is enabled, it's possible that the data requested here\n      // has already been fetched via the `_fullRequestReader` implementation.\n      // However, given that the PDF data is loaded asynchronously on the\n      // main-thread and then sent via `postMessage` to the worker-thread,\n      // it may not have been available during parsing (hence the attempt to\n      // use range requests here).\n      //\n      // To avoid wasting time and resources here, we'll thus *not* dispatch\n      // range requests if the data was already loaded but has not been sent to\n      // the worker-thread yet (which will happen via the `_fullRequestReader`).\n      if (!rangeReader) {\n        sink.close();\n        return;\n      }\n\n      sink.onPull = () => {\n        rangeReader\n          .read()\n          .then(function ({ value, done }) {\n            if (done) {\n              sink.close();\n              return;\n            }\n            assert(\n              isArrayBuffer(value),\n              \"GetRangeReader - expected an ArrayBuffer.\"\n            );\n            sink.enqueue(new Uint8Array(value), 1, [value]);\n          })\n          .catch(reason => {\n            sink.error(reason);\n          });\n      };\n\n      sink.onCancel = reason => {\n        rangeReader.cancel(reason);\n\n        sink.ready.catch(readyReason => {\n          if (this.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          throw readyReason;\n        });\n      };\n    });\n\n    messageHandler.on(\"GetDoc\", ({ pdfInfo }) => {\n      this._numPages = pdfInfo.numPages;\n      loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));\n    });\n\n    messageHandler.on(\"DocException\", function (ex) {\n      let reason;\n      switch (ex.name) {\n        case \"PasswordException\":\n          reason = new PasswordException(ex.message, ex.code);\n          break;\n        case \"InvalidPDFException\":\n          reason = new InvalidPDFException(ex.message);\n          break;\n        case \"MissingPDFException\":\n          reason = new MissingPDFException(ex.message);\n          break;\n        case \"UnexpectedResponseException\":\n          reason = new UnexpectedResponseException(ex.message, ex.status);\n          break;\n        case \"UnknownErrorException\":\n          reason = new UnknownErrorException(ex.message, ex.details);\n          break;\n      }\n      if (!(reason instanceof Error)) {\n        const msg = \"DocException - expected a valid Error.\";\n        if (\n          typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")\n        ) {\n          unreachable(msg);\n        } else {\n          warn(msg);\n        }\n      }\n      loadingTask._capability.reject(reason);\n    });\n\n    messageHandler.on(\"PasswordRequest\", exception => {\n      this._passwordCapability = createPromiseCapability();\n\n      if (loadingTask.onPassword) {\n        const updatePassword = password => {\n          this._passwordCapability.resolve({\n            password,\n          });\n        };\n        try {\n          loadingTask.onPassword(updatePassword, exception.code);\n        } catch (ex) {\n          this._passwordCapability.reject(ex);\n        }\n      } else {\n        this._passwordCapability.reject(\n          new PasswordException(exception.message, exception.code)\n        );\n      }\n      return this._passwordCapability.promise;\n    });\n\n    messageHandler.on(\"DataLoaded\", data => {\n      // For consistency: Ensure that progress is always reported when the\n      // entire PDF file has been loaded, regardless of how it was fetched.\n      if (loadingTask.onProgress) {\n        loadingTask.onProgress({\n          loaded: data.length,\n          total: data.length,\n        });\n      }\n      this.downloadInfoCapability.resolve(data);\n    });\n\n    messageHandler.on(\"StartRenderPage\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      const page = this.pageCache[data.pageIndex];\n      page._startRenderPage(data.transparency, data.intent);\n    });\n\n    messageHandler.on(\"commonobj\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      const [id, type, exportedData] = data;\n      if (this.commonObjs.has(id)) {\n        return;\n      }\n\n      switch (type) {\n        case \"Font\":\n          const params = this._params;\n\n          if (\"error\" in exportedData) {\n            const exportedError = exportedData.error;\n            warn(`Error during font loading: ${exportedError}`);\n            this.commonObjs.resolve(id, exportedError);\n            break;\n          }\n\n          let fontRegistry = null;\n          if (\n            params.pdfBug &&\n            globalThis.FontInspector &&\n            globalThis.FontInspector.enabled\n          ) {\n            fontRegistry = {\n              registerFont(font, url) {\n                globalThis.FontInspector.fontAdded(font, url);\n              },\n            };\n          }\n          const font = new FontFaceObject(exportedData, {\n            isEvalSupported: params.isEvalSupported,\n            disableFontFace: params.disableFontFace,\n            ignoreErrors: params.ignoreErrors,\n            onUnsupportedFeature: this._onUnsupportedFeature.bind(this),\n            fontRegistry,\n          });\n\n          this.fontLoader\n            .bind(font)\n            .catch(reason => {\n              return messageHandler.sendWithPromise(\"FontFallback\", { id });\n            })\n            .finally(() => {\n              if (!params.fontExtraProperties && font.data) {\n                // Immediately release the `font.data` property once the font\n                // has been attached to the DOM, since it's no longer needed,\n                // rather than waiting for a `PDFDocumentProxy.cleanup` call.\n                // Since `font.data` could be very large, e.g. in some cases\n                // multiple megabytes, this will help reduce memory usage.\n                font.data = null;\n              }\n              this.commonObjs.resolve(id, font);\n            });\n          break;\n        case \"FontPath\":\n        case \"Image\":\n          this.commonObjs.resolve(id, exportedData);\n          break;\n        default:\n          throw new Error(`Got unknown common object type ${type}`);\n      }\n    });\n\n    messageHandler.on(\"obj\", data => {\n      if (this.destroyed) {\n        // Ignore any pending requests if the worker was terminated.\n        return undefined;\n      }\n\n      const [id, pageIndex, type, imageData] = data;\n      const pageProxy = this.pageCache[pageIndex];\n      if (pageProxy.objs.has(id)) {\n        return undefined;\n      }\n\n      switch (type) {\n        case \"Image\":\n          pageProxy.objs.resolve(id, imageData);\n\n          // Heuristic that will allow us not to store large data.\n          const MAX_IMAGE_SIZE_TO_STORE = 8000000;\n          if (\n            imageData &&\n            \"data\" in imageData &&\n            imageData.data.length > MAX_IMAGE_SIZE_TO_STORE\n          ) {\n            pageProxy.cleanupAfterRender = true;\n          }\n          break;\n        default:\n          throw new Error(`Got unknown object type ${type}`);\n      }\n      return undefined;\n    });\n\n    messageHandler.on(\"DocProgress\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      if (loadingTask.onProgress) {\n        loadingTask.onProgress({\n          loaded: data.loaded,\n          total: data.total,\n        });\n      }\n    });\n\n    messageHandler.on(\n      \"UnsupportedFeature\",\n      this._onUnsupportedFeature.bind(this)\n    );\n\n    messageHandler.on(\"FetchBuiltInCMap\", (data, sink) => {\n      if (this.destroyed) {\n        sink.error(new Error(\"Worker was destroyed\"));\n        return;\n      }\n      let fetched = false;\n\n      sink.onPull = () => {\n        if (fetched) {\n          sink.close();\n          return;\n        }\n        fetched = true;\n\n        this.CMapReaderFactory.fetch(data)\n          .then(function (builtInCMap) {\n            sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);\n          })\n          .catch(function (reason) {\n            sink.error(reason);\n          });\n      };\n    });\n  }\n\n  _onUnsupportedFeature({ featureId }) {\n    if (this.destroyed) {\n      return; // Ignore any pending requests if the worker was terminated.\n    }\n    if (this.loadingTask.onUnsupportedFeature) {\n      this.loadingTask.onUnsupportedFeature(featureId);\n    }\n  }\n\n  getData() {\n    return this.messageHandler.sendWithPromise(\"GetData\", null);\n  }\n\n  getPage(pageNumber) {\n    if (\n      !Number.isInteger(pageNumber) ||\n      pageNumber <= 0 ||\n      pageNumber > this._numPages\n    ) {\n      return Promise.reject(new Error(\"Invalid page request\"));\n    }\n\n    const pageIndex = pageNumber - 1;\n    if (pageIndex in this.pagePromises) {\n      return this.pagePromises[pageIndex];\n    }\n    const promise = this.messageHandler\n      .sendWithPromise(\"GetPage\", {\n        pageIndex,\n      })\n      .then(pageInfo => {\n        if (this.destroyed) {\n          throw new Error(\"Transport destroyed\");\n        }\n        const page = new PDFPageProxy(\n          pageIndex,\n          pageInfo,\n          this,\n          this._params.ownerDocument,\n          this._params.pdfBug\n        );\n        this.pageCache[pageIndex] = page;\n        return page;\n      });\n    this.pagePromises[pageIndex] = promise;\n    return promise;\n  }\n\n  getPageIndex(ref) {\n    return this.messageHandler\n      .sendWithPromise(\"GetPageIndex\", {\n        ref,\n      })\n      .catch(function (reason) {\n        return Promise.reject(new Error(reason));\n      });\n  }\n\n  getAnnotations(pageIndex, intent) {\n    return this.messageHandler.sendWithPromise(\"GetAnnotations\", {\n      pageIndex,\n      intent,\n    });\n  }\n\n  saveDocument(annotationStorage) {\n    return this.messageHandler\n      .sendWithPromise(\"SaveDocument\", {\n        numPages: this._numPages,\n        annotationStorage:\n          (annotationStorage && annotationStorage.getAll()) || null,\n        filename: this._fullReader ? this._fullReader.filename : null,\n      })\n      .finally(() => {\n        if (annotationStorage) {\n          annotationStorage.resetModified();\n        }\n      });\n  }\n\n  getDestinations() {\n    return this.messageHandler.sendWithPromise(\"GetDestinations\", null);\n  }\n\n  getDestination(id) {\n    if (typeof id !== \"string\") {\n      return Promise.reject(new Error(\"Invalid destination request.\"));\n    }\n    return this.messageHandler.sendWithPromise(\"GetDestination\", {\n      id,\n    });\n  }\n\n  getPageLabels() {\n    return this.messageHandler.sendWithPromise(\"GetPageLabels\", null);\n  }\n\n  getPageLayout() {\n    return this.messageHandler.sendWithPromise(\"GetPageLayout\", null);\n  }\n\n  getPageMode() {\n    return this.messageHandler.sendWithPromise(\"GetPageMode\", null);\n  }\n\n  getViewerPreferences() {\n    return this.messageHandler.sendWithPromise(\"GetViewerPreferences\", null);\n  }\n\n  getOpenAction() {\n    return this.messageHandler.sendWithPromise(\"GetOpenAction\", null);\n  }\n\n  getAttachments() {\n    return this.messageHandler.sendWithPromise(\"GetAttachments\", null);\n  }\n\n  getJavaScript() {\n    return this.messageHandler.sendWithPromise(\"GetJavaScript\", null);\n  }\n\n  getOutline() {\n    return this.messageHandler.sendWithPromise(\"GetOutline\", null);\n  }\n\n  getOptionalContentConfig() {\n    return this.messageHandler\n      .sendWithPromise(\"GetOptionalContentConfig\", null)\n      .then(results => {\n        return new OptionalContentConfig(results);\n      });\n  }\n\n  getPermissions() {\n    return this.messageHandler.sendWithPromise(\"GetPermissions\", null);\n  }\n\n  getMetadata() {\n    return this.messageHandler\n      .sendWithPromise(\"GetMetadata\", null)\n      .then(results => {\n        return {\n          info: results[0],\n          metadata: results[1] ? new Metadata(results[1]) : null,\n          contentDispositionFilename: this._fullReader\n            ? this._fullReader.filename\n            : null,\n        };\n      });\n  }\n\n  getStats() {\n    return this.messageHandler.sendWithPromise(\"GetStats\", null);\n  }\n\n  startCleanup() {\n    return this.messageHandler.sendWithPromise(\"Cleanup\", null).then(() => {\n      for (let i = 0, ii = this.pageCache.length; i < ii; i++) {\n        const page = this.pageCache[i];\n        if (page) {\n          const cleanupSuccessful = page.cleanup();\n\n          if (!cleanupSuccessful) {\n            throw new Error(\n              `startCleanup: Page ${i + 1} is currently rendering.`\n            );\n          }\n        }\n      }\n      this.commonObjs.clear();\n      this.fontLoader.clear();\n    });\n  }\n\n  get loadingParams() {\n    const params = this._params;\n    return shadow(this, \"loadingParams\", {\n      disableAutoFetch: params.disableAutoFetch,\n      disableFontFace: params.disableFontFace,\n    });\n  }\n}\n\n/**\n * A PDF document and page is built of many objects. E.g. there are objects for\n * fonts, images, rendering code, etc. These objects may get processed inside of\n * a worker. This class implements some basic methods to manage these objects.\n * @ignore\n */\nclass PDFObjects {\n  constructor() {\n    this._objs = Object.create(null);\n  }\n\n  /**\n   * Ensures there is an object defined for `objId`.\n   * @private\n   */\n  _ensureObj(objId) {\n    if (this._objs[objId]) {\n      return this._objs[objId];\n    }\n    return (this._objs[objId] = {\n      capability: createPromiseCapability(),\n      data: null,\n      resolved: false,\n    });\n  }\n\n  /**\n   * If called *without* callback, this returns the data of `objId` but the\n   * object needs to be resolved. If it isn't, this method throws.\n   *\n   * If called *with* a callback, the callback is called with the data of the\n   * object once the object is resolved. That means, if you call this method\n   * and the object is already resolved, the callback gets called right away.\n   */\n  get(objId, callback = null) {\n    // If there is a callback, then the get can be async and the object is\n    // not required to be resolved right now.\n    if (callback) {\n      this._ensureObj(objId).capability.promise.then(callback);\n      return null;\n    }\n    // If there isn't a callback, the user expects to get the resolved data\n    // directly.\n    const obj = this._objs[objId];\n    // If there isn't an object yet or the object isn't resolved, then the\n    // data isn't ready yet!\n    if (!obj || !obj.resolved) {\n      throw new Error(`Requesting object that isn't resolved yet ${objId}.`);\n    }\n    return obj.data;\n  }\n\n  has(objId) {\n    const obj = this._objs[objId];\n    return obj ? obj.resolved : false;\n  }\n\n  /**\n   * Resolves the object `objId` with optional `data`.\n   */\n  resolve(objId, data) {\n    const obj = this._ensureObj(objId);\n\n    obj.resolved = true;\n    obj.data = data;\n    obj.capability.resolve(data);\n  }\n\n  clear() {\n    this._objs = Object.create(null);\n  }\n}\n\n/**\n * Allows controlling of the rendering tasks.\n */\nclass RenderTask {\n  constructor(internalRenderTask) {\n    this._internalRenderTask = internalRenderTask;\n\n    /**\n     * Callback for incremental rendering -- a function that will be called\n     * each time the rendering is paused.  To continue rendering call the\n     * function that is the first argument to the callback.\n     * @type {function}\n     */\n    this.onContinue = null;\n  }\n\n  /**\n   * Promise for rendering task completion.\n   * @type {Promise<void>}\n   */\n  get promise() {\n    return this._internalRenderTask.capability.promise;\n  }\n\n  /**\n   * Cancels the rendering task. If the task is currently rendering it will\n   * not be cancelled until graphics pauses with a timeout. The promise that\n   * this object extends will be rejected when cancelled.\n   */\n  cancel() {\n    this._internalRenderTask.cancel();\n  }\n}\n\n/**\n * For internal use only.\n * @ignore\n */\nconst InternalRenderTask = (function InternalRenderTaskClosure() {\n  const canvasInRendering = new WeakSet();\n\n  // eslint-disable-next-line no-shadow\n  class InternalRenderTask {\n    constructor({\n      callback,\n      params,\n      objs,\n      commonObjs,\n      operatorList,\n      pageIndex,\n      canvasFactory,\n      webGLContext,\n      useRequestAnimationFrame = false,\n      pdfBug = false,\n    }) {\n      this.callback = callback;\n      this.params = params;\n      this.objs = objs;\n      this.commonObjs = commonObjs;\n      this.operatorListIdx = null;\n      this.operatorList = operatorList;\n      this._pageIndex = pageIndex;\n      this.canvasFactory = canvasFactory;\n      this.webGLContext = webGLContext;\n      this._pdfBug = pdfBug;\n\n      this.running = false;\n      this.graphicsReadyCallback = null;\n      this.graphicsReady = false;\n      this._useRequestAnimationFrame =\n        useRequestAnimationFrame === true && typeof window !== \"undefined\";\n      this.cancelled = false;\n      this.capability = createPromiseCapability();\n      this.task = new RenderTask(this);\n      // caching this-bound methods\n      this._continueBound = this._continue.bind(this);\n      this._scheduleNextBound = this._scheduleNext.bind(this);\n      this._nextBound = this._next.bind(this);\n      this._canvas = params.canvasContext.canvas;\n    }\n\n    get completed() {\n      return this.capability.promise.catch(function () {\n        // Ignoring errors, since we only want to know when rendering is\n        // no longer pending.\n      });\n    }\n\n    initializeGraphics({ transparency = false, optionalContentConfig }) {\n      if (this.cancelled) {\n        return;\n      }\n      if (this._canvas) {\n        if (canvasInRendering.has(this._canvas)) {\n          throw new Error(\n            \"Cannot use the same canvas during multiple render() operations. \" +\n              \"Use different canvas or ensure previous operations were \" +\n              \"cancelled or completed.\"\n          );\n        }\n        canvasInRendering.add(this._canvas);\n      }\n\n      if (\n        this._pdfBug &&\n        globalThis.StepperManager &&\n        globalThis.StepperManager.enabled\n      ) {\n        this.stepper = globalThis.StepperManager.create(this._pageIndex);\n        this.stepper.init(this.operatorList);\n        this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();\n      }\n      const {\n        canvasContext,\n        viewport,\n        transform,\n        imageLayer,\n        background,\n      } = this.params;\n\n      this.gfx = new CanvasGraphics(\n        canvasContext,\n        this.commonObjs,\n        this.objs,\n        this.canvasFactory,\n        this.webGLContext,\n        imageLayer,\n        optionalContentConfig\n      );\n      this.gfx.beginDrawing({\n        transform,\n        viewport,\n        transparency,\n        background,\n      });\n      this.operatorListIdx = 0;\n      this.graphicsReady = true;\n      if (this.graphicsReadyCallback) {\n        this.graphicsReadyCallback();\n      }\n    }\n\n    cancel(error = null) {\n      this.running = false;\n      this.cancelled = true;\n      if (this.gfx) {\n        this.gfx.endDrawing();\n      }\n      if (this._canvas) {\n        canvasInRendering.delete(this._canvas);\n      }\n      this.callback(\n        error ||\n          new RenderingCancelledException(\n            `Rendering cancelled, page ${this._pageIndex + 1}`,\n            \"canvas\"\n          )\n      );\n    }\n\n    operatorListChanged() {\n      if (!this.graphicsReady) {\n        if (!this.graphicsReadyCallback) {\n          this.graphicsReadyCallback = this._continueBound;\n        }\n        return;\n      }\n\n      if (this.stepper) {\n        this.stepper.updateOperatorList(this.operatorList);\n      }\n\n      if (this.running) {\n        return;\n      }\n      this._continue();\n    }\n\n    _continue() {\n      this.running = true;\n      if (this.cancelled) {\n        return;\n      }\n      if (this.task.onContinue) {\n        this.task.onContinue(this._scheduleNextBound);\n      } else {\n        this._scheduleNext();\n      }\n    }\n\n    _scheduleNext() {\n      if (this._useRequestAnimationFrame) {\n        window.requestAnimationFrame(() => {\n          this._nextBound().catch(this.cancel.bind(this));\n        });\n      } else {\n        Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));\n      }\n    }\n\n    async _next() {\n      if (this.cancelled) {\n        return;\n      }\n      this.operatorListIdx = this.gfx.executeOperatorList(\n        this.operatorList,\n        this.operatorListIdx,\n        this._continueBound,\n        this.stepper\n      );\n      if (this.operatorListIdx === this.operatorList.argsArray.length) {\n        this.running = false;\n        if (this.operatorList.lastChunk) {\n          this.gfx.endDrawing();\n          if (this._canvas) {\n            canvasInRendering.delete(this._canvas);\n          }\n          this.callback();\n        }\n      }\n    }\n  }\n  return InternalRenderTask;\n})();\n\n/** @type {string} */\nconst version =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_VERSION\") : null;\n/** @type {string} */\nconst build =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_BUILD\") : null;\n\nexport {\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  PDFDocumentProxy,\n  PDFPageProxy,\n  setPDFNetworkStreamFactory,\n  version,\n  build,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  IsEvalSupportedCached,\n  shadow,\n  string32,\n  unreachable,\n  UNSUPPORTED_FEATURES,\n  warn,\n} from \"../shared/util.js\";\n\nclass BaseFontLoader {\n  constructor({\n    docId,\n    onUnsupportedFeature,\n    ownerDocument = globalThis.document,\n  }) {\n    if (this.constructor === BaseFontLoader) {\n      unreachable(\"Cannot initialize BaseFontLoader.\");\n    }\n    this.docId = docId;\n    this._onUnsupportedFeature = onUnsupportedFeature;\n    this._document = ownerDocument;\n\n    this.nativeFontFaces = [];\n    this.styleElement = null;\n  }\n\n  addNativeFontFace(nativeFontFace) {\n    this.nativeFontFaces.push(nativeFontFace);\n    this._document.fonts.add(nativeFontFace);\n  }\n\n  insertRule(rule) {\n    let styleElement = this.styleElement;\n    if (!styleElement) {\n      styleElement = this.styleElement = this._document.createElement(\"style\");\n      styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;\n      this._document.documentElement\n        .getElementsByTagName(\"head\")[0]\n        .appendChild(styleElement);\n    }\n\n    const styleSheet = styleElement.sheet;\n    styleSheet.insertRule(rule, styleSheet.cssRules.length);\n  }\n\n  clear() {\n    this.nativeFontFaces.forEach(nativeFontFace => {\n      this._document.fonts.delete(nativeFontFace);\n    });\n    this.nativeFontFaces.length = 0;\n\n    if (this.styleElement) {\n      // Note: ChildNode.remove doesn't throw if the parentNode is undefined.\n      this.styleElement.remove();\n      this.styleElement = null;\n    }\n  }\n\n  async bind(font) {\n    // Add the font to the DOM only once; skip if the font is already loaded.\n    if (font.attached || font.missingFile) {\n      return;\n    }\n    font.attached = true;\n\n    if (this.isFontLoadingAPISupported) {\n      const nativeFontFace = font.createNativeFontFace();\n      if (nativeFontFace) {\n        this.addNativeFontFace(nativeFontFace);\n        try {\n          await nativeFontFace.loaded;\n        } catch (ex) {\n          this._onUnsupportedFeature({\n            featureId: UNSUPPORTED_FEATURES.errorFontLoadNative,\n          });\n          warn(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);\n\n          // When font loading failed, fall back to the built-in font renderer.\n          font.disableFontFace = true;\n          throw ex;\n        }\n      }\n      return; // The font was, asynchronously, loaded.\n    }\n\n    // !this.isFontLoadingAPISupported\n    const rule = font.createFontFaceRule();\n    if (rule) {\n      this.insertRule(rule);\n\n      if (this.isSyncFontLoadingSupported) {\n        return; // The font was, synchronously, loaded.\n      }\n      await new Promise(resolve => {\n        const request = this._queueLoadingCallback(resolve);\n        this._prepareFontLoadEvent([rule], [font], request);\n      });\n      // The font was, asynchronously, loaded.\n    }\n  }\n\n  _queueLoadingCallback(callback) {\n    unreachable(\"Abstract method `_queueLoadingCallback`.\");\n  }\n\n  get isFontLoadingAPISupported() {\n    const supported =\n      typeof this._document !== \"undefined\" && !!this._document.fonts;\n    return shadow(this, \"isFontLoadingAPISupported\", supported);\n  }\n\n  // eslint-disable-next-line getter-return\n  get isSyncFontLoadingSupported() {\n    unreachable(\"Abstract method `isSyncFontLoadingSupported`.\");\n  }\n\n  // eslint-disable-next-line getter-return\n  get _loadTestFont() {\n    unreachable(\"Abstract method `_loadTestFont`.\");\n  }\n\n  _prepareFontLoadEvent(rules, fontsToLoad, request) {\n    unreachable(\"Abstract method `_prepareFontLoadEvent`.\");\n  }\n}\n\nlet FontLoader;\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  FontLoader = class MozcentralFontLoader extends BaseFontLoader {\n    get isSyncFontLoadingSupported() {\n      return shadow(this, \"isSyncFontLoadingSupported\", true);\n    }\n  };\n} else {\n  // PDFJSDev.test('CHROME || GENERIC')\n\n  FontLoader = class GenericFontLoader extends BaseFontLoader {\n    constructor(params) {\n      super(params);\n      this.loadingContext = {\n        requests: [],\n        nextRequestId: 0,\n      };\n      this.loadTestFontId = 0;\n    }\n\n    get isSyncFontLoadingSupported() {\n      let supported = false;\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"CHROME\")) {\n        if (typeof navigator === \"undefined\") {\n          // Node.js - we can pretend that sync font loading is supported.\n          supported = true;\n        } else {\n          // User agent string sniffing is bad, but there is no reliable way to\n          // tell if the font is fully loaded and ready to be used with canvas.\n          const m = /Mozilla\\/5.0.*?rv:(\\d+).*? Gecko/.exec(\n            navigator.userAgent\n          );\n          if (m && m[1] >= 14) {\n            supported = true;\n          }\n          // TODO - other browsers...\n        }\n      }\n      return shadow(this, \"isSyncFontLoadingSupported\", supported);\n    }\n\n    _queueLoadingCallback(callback) {\n      function completeRequest() {\n        assert(!request.done, \"completeRequest() cannot be called twice.\");\n        request.done = true;\n\n        // Sending all completed requests in order of how they were queued.\n        while (context.requests.length > 0 && context.requests[0].done) {\n          const otherRequest = context.requests.shift();\n          setTimeout(otherRequest.callback, 0);\n        }\n      }\n\n      const context = this.loadingContext;\n      const request = {\n        id: `pdfjs-font-loading-${context.nextRequestId++}`,\n        done: false,\n        complete: completeRequest,\n        callback,\n      };\n      context.requests.push(request);\n      return request;\n    }\n\n    get _loadTestFont() {\n      const getLoadTestFont = function () {\n        // This is a CFF font with 1 glyph for '.' that fills its entire width\n        // and height.\n        return atob(\n          \"T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA\" +\n            \"FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA\" +\n            \"ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA\" +\n            \"AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1\" +\n            \"AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD\" +\n            \"6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM\" +\n            \"AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D\" +\n            \"IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA\" +\n            \"AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA\" +\n            \"AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB\" +\n            \"AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY\" +\n            \"AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA\" +\n            \"AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA\" +\n            \"AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC\" +\n            \"AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3\" +\n            \"Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj\" +\n            \"FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==\"\n        );\n      };\n      return shadow(this, \"_loadTestFont\", getLoadTestFont());\n    }\n\n    _prepareFontLoadEvent(rules, fonts, request) {\n      /** Hack begin */\n      // There's currently no event when a font has finished downloading so the\n      // following code is a dirty hack to 'guess' when a font is ready.\n      // It's assumed fonts are loaded in order, so add a known test font after\n      // the desired fonts and then test for the loading of that test font.\n\n      function int32(data, offset) {\n        return (\n          (data.charCodeAt(offset) << 24) |\n          (data.charCodeAt(offset + 1) << 16) |\n          (data.charCodeAt(offset + 2) << 8) |\n          (data.charCodeAt(offset + 3) & 0xff)\n        );\n      }\n      function spliceString(s, offset, remove, insert) {\n        const chunk1 = s.substring(0, offset);\n        const chunk2 = s.substring(offset + remove);\n        return chunk1 + insert + chunk2;\n      }\n      let i, ii;\n\n      // The temporary canvas is used to determine if fonts are loaded.\n      const canvas = this._document.createElement(\"canvas\");\n      canvas.width = 1;\n      canvas.height = 1;\n      const ctx = canvas.getContext(\"2d\");\n\n      let called = 0;\n      function isFontReady(name, callback) {\n        called++;\n        // With setTimeout clamping this gives the font ~100ms to load.\n        if (called > 30) {\n          warn(\"Load test font never loaded.\");\n          callback();\n          return;\n        }\n        ctx.font = \"30px \" + name;\n        ctx.fillText(\".\", 0, 20);\n        const imageData = ctx.getImageData(0, 0, 1, 1);\n        if (imageData.data[3] > 0) {\n          callback();\n          return;\n        }\n        setTimeout(isFontReady.bind(null, name, callback));\n      }\n\n      const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;\n      // Chromium seems to cache fonts based on a hash of the actual font data,\n      // so the font must be modified for each load test else it will appear to\n      // be loaded already.\n      // TODO: This could maybe be made faster by avoiding the btoa of the full\n      // font by splitting it in chunks before hand and padding the font id.\n      let data = this._loadTestFont;\n      const COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum)\n      data = spliceString(\n        data,\n        COMMENT_OFFSET,\n        loadTestFontId.length,\n        loadTestFontId\n      );\n      // CFF checksum is important for IE, adjusting it\n      const CFF_CHECKSUM_OFFSET = 16;\n      const XXXX_VALUE = 0x58585858; // the \"comment\" filled with 'X'\n      let checksum = int32(data, CFF_CHECKSUM_OFFSET);\n      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {\n        checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0;\n      }\n      if (i < loadTestFontId.length) {\n        // align to 4 bytes boundary\n        checksum =\n          (checksum - XXXX_VALUE + int32(loadTestFontId + \"XXX\", i)) | 0;\n      }\n      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));\n\n      const url = `url(data:font/opentype;base64,${btoa(data)});`;\n      const rule = `@font-face {font-family:\"${loadTestFontId}\";src:${url}}`;\n      this.insertRule(rule);\n\n      const names = [];\n      for (i = 0, ii = fonts.length; i < ii; i++) {\n        names.push(fonts[i].loadedName);\n      }\n      names.push(loadTestFontId);\n\n      const div = this._document.createElement(\"div\");\n      div.style.visibility = \"hidden\";\n      div.style.width = div.style.height = \"10px\";\n      div.style.position = \"absolute\";\n      div.style.top = div.style.left = \"0px\";\n\n      for (i = 0, ii = names.length; i < ii; ++i) {\n        const span = this._document.createElement(\"span\");\n        span.textContent = \"Hi\";\n        span.style.fontFamily = names[i];\n        div.appendChild(span);\n      }\n      this._document.body.appendChild(div);\n\n      isFontReady(loadTestFontId, () => {\n        this._document.body.removeChild(div);\n        request.complete();\n      });\n      /** Hack end */\n    }\n  };\n} // End of PDFJSDev.test('CHROME || GENERIC')\n\nclass FontFaceObject {\n  constructor(\n    translatedData,\n    {\n      isEvalSupported = true,\n      disableFontFace = false,\n      ignoreErrors = false,\n      onUnsupportedFeature = null,\n      fontRegistry = null,\n    }\n  ) {\n    this.compiledGlyphs = Object.create(null);\n    // importing translated data\n    for (const i in translatedData) {\n      this[i] = translatedData[i];\n    }\n    this.isEvalSupported = isEvalSupported !== false;\n    this.disableFontFace = disableFontFace === true;\n    this.ignoreErrors = ignoreErrors === true;\n    this._onUnsupportedFeature = onUnsupportedFeature;\n    this.fontRegistry = fontRegistry;\n  }\n\n  createNativeFontFace() {\n    if (!this.data || this.disableFontFace) {\n      return null;\n    }\n    const nativeFontFace = new FontFace(this.loadedName, this.data, {});\n\n    if (this.fontRegistry) {\n      this.fontRegistry.registerFont(this);\n    }\n    return nativeFontFace;\n  }\n\n  createFontFaceRule() {\n    if (!this.data || this.disableFontFace) {\n      return null;\n    }\n    const data = bytesToString(new Uint8Array(this.data));\n    // Add the @font-face rule to the document.\n    const url = `url(data:${this.mimetype};base64,${btoa(data)});`;\n    const rule = `@font-face {font-family:\"${this.loadedName}\";src:${url}}`;\n\n    if (this.fontRegistry) {\n      this.fontRegistry.registerFont(this, url);\n    }\n    return rule;\n  }\n\n  getPathGenerator(objs, character) {\n    if (this.compiledGlyphs[character] !== undefined) {\n      return this.compiledGlyphs[character];\n    }\n\n    let cmds, current;\n    try {\n      cmds = objs.get(this.loadedName + \"_path_\" + character);\n    } catch (ex) {\n      if (!this.ignoreErrors) {\n        throw ex;\n      }\n      if (this._onUnsupportedFeature) {\n        this._onUnsupportedFeature({\n          featureId: UNSUPPORTED_FEATURES.errorFontGetPath,\n        });\n      }\n      warn(`getPathGenerator - ignoring character: \"${ex}\".`);\n\n      return (this.compiledGlyphs[character] = function (c, size) {\n        // No-op function, to allow rendering to continue.\n      });\n    }\n\n    // If we can, compile cmds into JS for MAXIMUM SPEED...\n    if (this.isEvalSupported && IsEvalSupportedCached.value) {\n      let args,\n        js = \"\";\n      for (let i = 0, ii = cmds.length; i < ii; i++) {\n        current = cmds[i];\n\n        if (current.args !== undefined) {\n          args = current.args.join(\",\");\n        } else {\n          args = \"\";\n        }\n        js += \"c.\" + current.cmd + \"(\" + args + \");\\n\";\n      }\n      // eslint-disable-next-line no-new-func\n      return (this.compiledGlyphs[character] = new Function(\"c\", \"size\", js));\n    }\n    // ... but fall back on using Function.prototype.apply() if we're\n    // blocked from using eval() for whatever reason (like CSP policies).\n    return (this.compiledGlyphs[character] = function (c, size) {\n      for (let i = 0, ii = cmds.length; i < ii; i++) {\n        current = cmds[i];\n\n        if (current.cmd === \"scale\") {\n          current.args = [size, -size];\n        }\n        c[current.cmd].apply(c, current.args);\n      }\n    });\n  }\n}\n\nexport { FontFaceObject, FontLoader };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n/* eslint no-var: error */\n\nimport { BaseCanvasFactory, BaseCMapReaderFactory } from \"./display_utils.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { unreachable } from \"../shared/util.js\";\n\nlet NodeCanvasFactory = class {\n  constructor() {\n    unreachable(\"Not implemented: NodeCanvasFactory\");\n  }\n};\n\nlet NodeCMapReaderFactory = class {\n  constructor() {\n    unreachable(\"Not implemented: NodeCMapReaderFactory\");\n  }\n};\n\nif ((typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS) {\n  NodeCanvasFactory = class extends BaseCanvasFactory {\n    create(width, height) {\n      if (width <= 0 || height <= 0) {\n        throw new Error(\"Invalid canvas size\");\n      }\n      const Canvas = __non_webpack_require__(\"canvas\");\n      const canvas = Canvas.createCanvas(width, height);\n      return {\n        canvas,\n        context: canvas.getContext(\"2d\"),\n      };\n    }\n  };\n\n  NodeCMapReaderFactory = class extends BaseCMapReaderFactory {\n    _fetchData(url, compressionType) {\n      return new Promise((resolve, reject) => {\n        const fs = __non_webpack_require__(\"fs\");\n        fs.readFile(url, (error, data) => {\n          if (error || !data) {\n            reject(new Error(error));\n            return;\n          }\n          resolve({ cMapData: new Uint8Array(data), compressionType });\n        });\n      });\n    }\n  };\n}\n\nexport { NodeCanvasFactory, NodeCMapReaderFactory };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * Key/value storage for annotation data in forms.\n */\nclass AnnotationStorage {\n  constructor() {\n    this._storage = new Map();\n    this._modified = false;\n\n    // Callbacks to signal when the modification state is set or reset.\n    // This is used by the viewer to only bind on `beforeunload` if forms\n    // are actually edited to prevent doing so unconditionally since that\n    // can have undesirable efffects.\n    this.onSetModified = null;\n    this.onResetModified = null;\n  }\n\n  /**\n   * Get the value for a given key if it exists\n   * or store and return the default value\n   *\n   * @public\n   * @memberof AnnotationStorage\n   * @param {string} key\n   * @param {Object} defaultValue\n   * @returns {Object}\n   */\n  getOrCreateValue(key, defaultValue) {\n    if (this._storage.has(key)) {\n      return this._storage.get(key);\n    }\n\n    this._storage.set(key, defaultValue);\n    return defaultValue;\n  }\n\n  /**\n   * Set the value for a given key\n   *\n   * @public\n   * @memberof AnnotationStorage\n   * @param {string} key\n   * @param {Object} value\n   */\n  setValue(key, value) {\n    if (this._storage.get(key) !== value) {\n      this._setModified();\n    }\n    this._storage.set(key, value);\n  }\n\n  getAll() {\n    if (this._storage.size === 0) {\n      return null;\n    }\n    return Object.fromEntries(this._storage);\n  }\n\n  get size() {\n    return this._storage.size;\n  }\n\n  /**\n   * @private\n   */\n  _setModified() {\n    if (!this._modified) {\n      this._modified = true;\n      if (typeof this.onSetModified === \"function\") {\n        this.onSetModified();\n      }\n    }\n  }\n\n  resetModified() {\n    if (this._modified) {\n      this._modified = false;\n      if (typeof this.onResetModified === \"function\") {\n        this.onResetModified();\n      }\n    }\n  }\n}\n\nexport { AnnotationStorage };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { isNodeJS } from \"../shared/is_node.js\";\n\nconst compatibilityParams = Object.create(null);\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  // Support: Node.js\n  (function checkFontFace() {\n    // Node.js is missing native support for `@font-face`.\n    if (isNodeJS) {\n      compatibilityParams.disableFontFace = true;\n    }\n  })();\n}\nconst apiCompatibilityParams = Object.freeze(compatibilityParams);\n\nexport { apiCompatibilityParams };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  ImageKind,\n  info,\n  IsLittleEndianCached,\n  isNum,\n  OPS,\n  shadow,\n  TextRenderingMode,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { getShadingPatternFromIR, TilingPattern } from \"./pattern_helper.js\";\n\n// <canvas> contexts store most of the state we need natively.\n// However, PDF needs a bit more state, which we store here.\n\n// Minimal font size that would be used during canvas fillText operations.\nvar MIN_FONT_SIZE = 16;\n// Maximum font size that would be used during canvas fillText operations.\nvar MAX_FONT_SIZE = 100;\nvar MAX_GROUP_SIZE = 4096;\n\n// Heuristic value used when enforcing minimum line widths.\nvar MIN_WIDTH_FACTOR = 0.65;\n\nvar COMPILE_TYPE3_GLYPHS = true;\nvar MAX_SIZE_TO_COMPILE = 1000;\n\nvar FULL_CHUNK_HEIGHT = 16;\n\nfunction addContextCurrentTransform(ctx) {\n  // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.\n  if (!ctx.mozCurrentTransform) {\n    ctx._originalSave = ctx.save;\n    ctx._originalRestore = ctx.restore;\n    ctx._originalRotate = ctx.rotate;\n    ctx._originalScale = ctx.scale;\n    ctx._originalTranslate = ctx.translate;\n    ctx._originalTransform = ctx.transform;\n    ctx._originalSetTransform = ctx.setTransform;\n\n    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];\n    ctx._transformStack = [];\n\n    Object.defineProperty(ctx, \"mozCurrentTransform\", {\n      get: function getCurrentTransform() {\n        return this._transformMatrix;\n      },\n    });\n\n    Object.defineProperty(ctx, \"mozCurrentTransformInverse\", {\n      get: function getCurrentTransformInverse() {\n        // Calculation done using WolframAlpha:\n        // http://www.wolframalpha.com/input/?\n        //   i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}\n\n        var m = this._transformMatrix;\n        var a = m[0],\n          b = m[1],\n          c = m[2],\n          d = m[3],\n          e = m[4],\n          f = m[5];\n\n        var ad_bc = a * d - b * c;\n        var bc_ad = b * c - a * d;\n\n        return [\n          d / ad_bc,\n          b / bc_ad,\n          c / bc_ad,\n          a / ad_bc,\n          (d * e - c * f) / bc_ad,\n          (b * e - a * f) / ad_bc,\n        ];\n      },\n    });\n\n    ctx.save = function ctxSave() {\n      var old = this._transformMatrix;\n      this._transformStack.push(old);\n      this._transformMatrix = old.slice(0, 6);\n\n      this._originalSave();\n    };\n\n    ctx.restore = function ctxRestore() {\n      var prev = this._transformStack.pop();\n      if (prev) {\n        this._transformMatrix = prev;\n        this._originalRestore();\n      }\n    };\n\n    ctx.translate = function ctxTranslate(x, y) {\n      var m = this._transformMatrix;\n      m[4] = m[0] * x + m[2] * y + m[4];\n      m[5] = m[1] * x + m[3] * y + m[5];\n\n      this._originalTranslate(x, y);\n    };\n\n    ctx.scale = function ctxScale(x, y) {\n      var m = this._transformMatrix;\n      m[0] = m[0] * x;\n      m[1] = m[1] * x;\n      m[2] = m[2] * y;\n      m[3] = m[3] * y;\n\n      this._originalScale(x, y);\n    };\n\n    ctx.transform = function ctxTransform(a, b, c, d, e, f) {\n      var m = this._transformMatrix;\n      this._transformMatrix = [\n        m[0] * a + m[2] * b,\n        m[1] * a + m[3] * b,\n        m[0] * c + m[2] * d,\n        m[1] * c + m[3] * d,\n        m[0] * e + m[2] * f + m[4],\n        m[1] * e + m[3] * f + m[5],\n      ];\n\n      ctx._originalTransform(a, b, c, d, e, f);\n    };\n\n    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {\n      this._transformMatrix = [a, b, c, d, e, f];\n\n      ctx._originalSetTransform(a, b, c, d, e, f);\n    };\n\n    ctx.rotate = function ctxRotate(angle) {\n      var cosValue = Math.cos(angle);\n      var sinValue = Math.sin(angle);\n\n      var m = this._transformMatrix;\n      this._transformMatrix = [\n        m[0] * cosValue + m[2] * sinValue,\n        m[1] * cosValue + m[3] * sinValue,\n        m[0] * -sinValue + m[2] * cosValue,\n        m[1] * -sinValue + m[3] * cosValue,\n        m[4],\n        m[5],\n      ];\n\n      this._originalRotate(angle);\n    };\n  }\n}\n\nvar CachedCanvases = (function CachedCanvasesClosure() {\n  // eslint-disable-next-line no-shadow\n  function CachedCanvases(canvasFactory) {\n    this.canvasFactory = canvasFactory;\n    this.cache = Object.create(null);\n  }\n  CachedCanvases.prototype = {\n    getCanvas: function CachedCanvases_getCanvas(\n      id,\n      width,\n      height,\n      trackTransform\n    ) {\n      var canvasEntry;\n      if (this.cache[id] !== undefined) {\n        canvasEntry = this.cache[id];\n        this.canvasFactory.reset(canvasEntry, width, height);\n        // reset canvas transform for emulated mozCurrentTransform, if needed\n        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);\n      } else {\n        canvasEntry = this.canvasFactory.create(width, height);\n        this.cache[id] = canvasEntry;\n      }\n      if (trackTransform) {\n        addContextCurrentTransform(canvasEntry.context);\n      }\n      return canvasEntry;\n    },\n    clear() {\n      for (var id in this.cache) {\n        var canvasEntry = this.cache[id];\n        this.canvasFactory.destroy(canvasEntry);\n        delete this.cache[id];\n      }\n    },\n  };\n  return CachedCanvases;\n})();\n\nfunction compileType3Glyph(imgData) {\n  var POINT_TO_PROCESS_LIMIT = 1000;\n\n  var width = imgData.width,\n    height = imgData.height;\n  var i,\n    j,\n    j0,\n    width1 = width + 1;\n  var points = new Uint8Array(width1 * (height + 1));\n  // prettier-ignore\n  var POINT_TYPES =\n      new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);\n\n  // decodes bit-packed mask data\n  var lineSize = (width + 7) & ~7,\n    data0 = imgData.data;\n  var data = new Uint8Array(lineSize * height),\n    pos = 0,\n    ii;\n  for (i = 0, ii = data0.length; i < ii; i++) {\n    var mask = 128,\n      elem = data0[i];\n    while (mask > 0) {\n      data[pos++] = elem & mask ? 0 : 255;\n      mask >>= 1;\n    }\n  }\n\n  // finding interesting points: every point is located between mask pixels,\n  // so there will be points of the (width + 1)x(height + 1) grid. Every point\n  // will have flags assigned based on neighboring mask pixels:\n  //   4 | 8\n  //   --P--\n  //   2 | 1\n  // We are interested only in points with the flags:\n  //   - outside corners: 1, 2, 4, 8;\n  //   - inside corners: 7, 11, 13, 14;\n  //   - and, intersections: 5, 10.\n  var count = 0;\n  pos = 0;\n  if (data[pos] !== 0) {\n    points[0] = 1;\n    ++count;\n  }\n  for (j = 1; j < width; j++) {\n    if (data[pos] !== data[pos + 1]) {\n      points[j] = data[pos] ? 2 : 1;\n      ++count;\n    }\n    pos++;\n  }\n  if (data[pos] !== 0) {\n    points[j] = 2;\n    ++count;\n  }\n  for (i = 1; i < height; i++) {\n    pos = i * lineSize;\n    j0 = i * width1;\n    if (data[pos - lineSize] !== data[pos]) {\n      points[j0] = data[pos] ? 1 : 8;\n      ++count;\n    }\n    // 'sum' is the position of the current pixel configuration in the 'TYPES'\n    // array (in order 8-1-2-4, so we can use '>>2' to shift the column).\n    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);\n    for (j = 1; j < width; j++) {\n      sum =\n        (sum >> 2) +\n        (data[pos + 1] ? 4 : 0) +\n        (data[pos - lineSize + 1] ? 8 : 0);\n      if (POINT_TYPES[sum]) {\n        points[j0 + j] = POINT_TYPES[sum];\n        ++count;\n      }\n      pos++;\n    }\n    if (data[pos - lineSize] !== data[pos]) {\n      points[j0 + j] = data[pos] ? 2 : 4;\n      ++count;\n    }\n\n    if (count > POINT_TO_PROCESS_LIMIT) {\n      return null;\n    }\n  }\n\n  pos = lineSize * (height - 1);\n  j0 = i * width1;\n  if (data[pos] !== 0) {\n    points[j0] = 8;\n    ++count;\n  }\n  for (j = 1; j < width; j++) {\n    if (data[pos] !== data[pos + 1]) {\n      points[j0 + j] = data[pos] ? 4 : 8;\n      ++count;\n    }\n    pos++;\n  }\n  if (data[pos] !== 0) {\n    points[j0 + j] = 4;\n    ++count;\n  }\n  if (count > POINT_TO_PROCESS_LIMIT) {\n    return null;\n  }\n\n  // building outlines\n  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);\n  var outlines = [];\n  for (i = 0; count && i <= height; i++) {\n    var p = i * width1;\n    var end = p + width;\n    while (p < end && !points[p]) {\n      p++;\n    }\n    if (p === end) {\n      continue;\n    }\n    var coords = [p % width1, i];\n\n    var type = points[p],\n      p0 = p,\n      pp;\n    do {\n      var step = steps[type];\n      do {\n        p += step;\n      } while (!points[p]);\n\n      pp = points[p];\n      if (pp !== 5 && pp !== 10) {\n        // set new direction\n        type = pp;\n        // delete mark\n        points[p] = 0;\n      } else {\n        // type is 5 or 10, ie, a crossing\n        // set new direction\n        type = pp & ((0x33 * type) >> 4);\n        // set new type for \"future hit\"\n        points[p] &= (type >> 2) | (type << 2);\n      }\n\n      coords.push(p % width1);\n      coords.push((p / width1) | 0);\n\n      if (!points[p]) {\n        --count;\n      }\n    } while (p0 !== p);\n    outlines.push(coords);\n    --i;\n  }\n\n  var drawOutline = function (c) {\n    c.save();\n    // the path shall be painted in [0..1]x[0..1] space\n    c.scale(1 / width, -1 / height);\n    c.translate(0, -height);\n    c.beginPath();\n    for (let k = 0, kk = outlines.length; k < kk; k++) {\n      var o = outlines[k];\n      c.moveTo(o[0], o[1]);\n      for (let l = 2, ll = o.length; l < ll; l += 2) {\n        c.lineTo(o[l], o[l + 1]);\n      }\n    }\n    c.fill();\n    c.beginPath();\n    c.restore();\n  };\n\n  return drawOutline;\n}\n\nvar CanvasExtraState = (function CanvasExtraStateClosure() {\n  // eslint-disable-next-line no-shadow\n  function CanvasExtraState() {\n    // Are soft masks and alpha values shapes or opacities?\n    this.alphaIsShape = false;\n    this.fontSize = 0;\n    this.fontSizeScale = 1;\n    this.textMatrix = IDENTITY_MATRIX;\n    this.textMatrixScale = 1;\n    this.fontMatrix = FONT_IDENTITY_MATRIX;\n    this.leading = 0;\n    // Current point (in user coordinates)\n    this.x = 0;\n    this.y = 0;\n    // Start of text line (in text coordinates)\n    this.lineX = 0;\n    this.lineY = 0;\n    // Character and word spacing\n    this.charSpacing = 0;\n    this.wordSpacing = 0;\n    this.textHScale = 1;\n    this.textRenderingMode = TextRenderingMode.FILL;\n    this.textRise = 0;\n    // Default fore and background colors\n    this.fillColor = \"#000000\";\n    this.strokeColor = \"#000000\";\n    this.patternFill = false;\n    // Note: fill alpha applies to all non-stroking operations\n    this.fillAlpha = 1;\n    this.strokeAlpha = 1;\n    this.lineWidth = 1;\n    this.activeSMask = null;\n    this.resumeSMaskCtx = null; // nonclonable field (see the save method below)\n    this.transferMaps = null;\n  }\n\n  CanvasExtraState.prototype = {\n    clone: function CanvasExtraState_clone() {\n      return Object.create(this);\n    },\n    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {\n      this.x = x;\n      this.y = y;\n    },\n  };\n  return CanvasExtraState;\n})();\n\n/**\n * @type {any}\n */\nvar CanvasGraphics = (function CanvasGraphicsClosure() {\n  // Defines the time the executeOperatorList is going to be executing\n  // before it stops and shedules a continue of execution.\n  var EXECUTION_TIME = 15;\n  // Defines the number of steps before checking the execution time\n  var EXECUTION_STEPS = 10;\n\n  // eslint-disable-next-line no-shadow\n  function CanvasGraphics(\n    canvasCtx,\n    commonObjs,\n    objs,\n    canvasFactory,\n    webGLContext,\n    imageLayer,\n    optionalContentConfig\n  ) {\n    this.ctx = canvasCtx;\n    this.current = new CanvasExtraState();\n    this.stateStack = [];\n    this.pendingClip = null;\n    this.pendingEOFill = false;\n    this.res = null;\n    this.xobjs = null;\n    this.commonObjs = commonObjs;\n    this.objs = objs;\n    this.canvasFactory = canvasFactory;\n    this.webGLContext = webGLContext;\n    this.imageLayer = imageLayer;\n    this.groupStack = [];\n    this.processingType3 = null;\n    // Patterns are painted relative to the initial page/form transform, see pdf\n    // spec 8.7.2 NOTE 1.\n    this.baseTransform = null;\n    this.baseTransformStack = [];\n    this.groupLevel = 0;\n    this.smaskStack = [];\n    this.smaskCounter = 0;\n    this.tempSMask = null;\n    this.contentVisible = true;\n    this.markedContentStack = [];\n    this.optionalContentConfig = optionalContentConfig;\n    this.cachedCanvases = new CachedCanvases(this.canvasFactory);\n    if (canvasCtx) {\n      // NOTE: if mozCurrentTransform is polyfilled, then the current state of\n      // the transformation must already be set in canvasCtx._transformMatrix.\n      addContextCurrentTransform(canvasCtx);\n    }\n    this._cachedGetSinglePixelWidth = null;\n  }\n\n  function putBinaryImageData(ctx, imgData, transferMaps = null) {\n    if (typeof ImageData !== \"undefined\" && imgData instanceof ImageData) {\n      ctx.putImageData(imgData, 0, 0);\n      return;\n    }\n\n    // Put the image data to the canvas in chunks, rather than putting the\n    // whole image at once.  This saves JS memory, because the ImageData object\n    // is smaller. It also possibly saves C++ memory within the implementation\n    // of putImageData(). (E.g. in Firefox we make two short-lived copies of\n    // the data passed to putImageData()). |n| shouldn't be too small, however,\n    // because too many putImageData() calls will slow things down.\n    //\n    // Note: as written, if the last chunk is partial, the putImageData() call\n    // will (conceptually) put pixels past the bounds of the canvas.  But\n    // that's ok; any such pixels are ignored.\n\n    var height = imgData.height,\n      width = imgData.width;\n    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n    var srcPos = 0,\n      destPos;\n    var src = imgData.data;\n    var dest = chunkImgData.data;\n    var i, j, thisChunkHeight, elemsInThisChunk;\n\n    let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;\n    if (transferMaps) {\n      switch (transferMaps.length) {\n        case 1:\n          transferMapRed = transferMaps[0];\n          transferMapGreen = transferMaps[0];\n          transferMapBlue = transferMaps[0];\n          transferMapGray = transferMaps[0];\n          break;\n        case 4:\n          transferMapRed = transferMaps[0];\n          transferMapGreen = transferMaps[1];\n          transferMapBlue = transferMaps[2];\n          transferMapGray = transferMaps[3];\n          break;\n      }\n    }\n\n    // There are multiple forms in which the pixel data can be passed, and\n    // imgData.kind tells us which one this is.\n    if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {\n      // Grayscale, 1 bit per pixel (i.e. black-and-white).\n      var srcLength = src.byteLength;\n      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);\n      var dest32DataLength = dest32.length;\n      var fullSrcDiff = (width + 7) >> 3;\n      var white = 0xffffffff;\n      var black = IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;\n\n      if (transferMapGray) {\n        if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {\n          [white, black] = [black, white];\n        }\n      }\n\n      for (i = 0; i < totalChunks; i++) {\n        thisChunkHeight =\n          i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n        destPos = 0;\n        for (j = 0; j < thisChunkHeight; j++) {\n          var srcDiff = srcLength - srcPos;\n          let k = 0;\n          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;\n          var kEndUnrolled = kEnd & ~7;\n          var mask = 0;\n          var srcByte = 0;\n          for (; k < kEndUnrolled; k += 8) {\n            srcByte = src[srcPos++];\n            dest32[destPos++] = srcByte & 128 ? white : black;\n            dest32[destPos++] = srcByte & 64 ? white : black;\n            dest32[destPos++] = srcByte & 32 ? white : black;\n            dest32[destPos++] = srcByte & 16 ? white : black;\n            dest32[destPos++] = srcByte & 8 ? white : black;\n            dest32[destPos++] = srcByte & 4 ? white : black;\n            dest32[destPos++] = srcByte & 2 ? white : black;\n            dest32[destPos++] = srcByte & 1 ? white : black;\n          }\n          for (; k < kEnd; k++) {\n            if (mask === 0) {\n              srcByte = src[srcPos++];\n              mask = 128;\n            }\n\n            dest32[destPos++] = srcByte & mask ? white : black;\n            mask >>= 1;\n          }\n        }\n        // We ran out of input. Make all remaining pixels transparent.\n        while (destPos < dest32DataLength) {\n          dest32[destPos++] = 0;\n        }\n\n        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n      }\n    } else if (imgData.kind === ImageKind.RGBA_32BPP) {\n      // RGBA, 32-bits per pixel.\n      const hasTransferMaps = !!(\n        transferMapRed ||\n        transferMapGreen ||\n        transferMapBlue\n      );\n\n      j = 0;\n      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;\n      for (i = 0; i < fullChunks; i++) {\n        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n        srcPos += elemsInThisChunk;\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < elemsInThisChunk; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, j);\n        j += FULL_CHUNK_HEIGHT;\n      }\n      if (i < totalChunks) {\n        elemsInThisChunk = width * partialChunkHeight * 4;\n        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < elemsInThisChunk; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, j);\n      }\n    } else if (imgData.kind === ImageKind.RGB_24BPP) {\n      // RGB, 24-bits per pixel.\n      const hasTransferMaps = !!(\n        transferMapRed ||\n        transferMapGreen ||\n        transferMapBlue\n      );\n\n      thisChunkHeight = FULL_CHUNK_HEIGHT;\n      elemsInThisChunk = width * thisChunkHeight;\n      for (i = 0; i < totalChunks; i++) {\n        if (i >= fullChunks) {\n          thisChunkHeight = partialChunkHeight;\n          elemsInThisChunk = width * thisChunkHeight;\n        }\n\n        destPos = 0;\n        for (j = elemsInThisChunk; j--; ) {\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = 255;\n        }\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < destPos; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n      }\n    } else {\n      throw new Error(`bad image kind: ${imgData.kind}`);\n    }\n  }\n\n  function putBinaryImageMask(ctx, imgData) {\n    var height = imgData.height,\n      width = imgData.width;\n    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n    var srcPos = 0;\n    var src = imgData.data;\n    var dest = chunkImgData.data;\n\n    for (var i = 0; i < totalChunks; i++) {\n      var thisChunkHeight =\n        i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n\n      // Expand the mask so it can be used by the canvas.  Any required\n      // inversion has already been handled.\n      var destPos = 3; // alpha component offset\n      for (var j = 0; j < thisChunkHeight; j++) {\n        var mask = 0;\n        for (var k = 0; k < width; k++) {\n          if (!mask) {\n            var elem = src[srcPos++];\n            mask = 128;\n          }\n          dest[destPos] = elem & mask ? 0 : 255;\n          destPos += 4;\n          mask >>= 1;\n        }\n      }\n      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n    }\n  }\n\n  function copyCtxState(sourceCtx, destCtx) {\n    var properties = [\n      \"strokeStyle\",\n      \"fillStyle\",\n      \"fillRule\",\n      \"globalAlpha\",\n      \"lineWidth\",\n      \"lineCap\",\n      \"lineJoin\",\n      \"miterLimit\",\n      \"globalCompositeOperation\",\n      \"font\",\n    ];\n    for (var i = 0, ii = properties.length; i < ii; i++) {\n      var property = properties[i];\n      if (sourceCtx[property] !== undefined) {\n        destCtx[property] = sourceCtx[property];\n      }\n    }\n    if (sourceCtx.setLineDash !== undefined) {\n      destCtx.setLineDash(sourceCtx.getLineDash());\n      destCtx.lineDashOffset = sourceCtx.lineDashOffset;\n    }\n  }\n\n  function resetCtxToDefault(ctx) {\n    ctx.strokeStyle = \"#000000\";\n    ctx.fillStyle = \"#000000\";\n    ctx.fillRule = \"nonzero\";\n    ctx.globalAlpha = 1;\n    ctx.lineWidth = 1;\n    ctx.lineCap = \"butt\";\n    ctx.lineJoin = \"miter\";\n    ctx.miterLimit = 10;\n    ctx.globalCompositeOperation = \"source-over\";\n    ctx.font = \"10px sans-serif\";\n    if (ctx.setLineDash !== undefined) {\n      ctx.setLineDash([]);\n      ctx.lineDashOffset = 0;\n    }\n  }\n\n  function composeSMaskBackdrop(bytes, r0, g0, b0) {\n    var length = bytes.length;\n    for (var i = 3; i < length; i += 4) {\n      var alpha = bytes[i];\n      if (alpha === 0) {\n        bytes[i - 3] = r0;\n        bytes[i - 2] = g0;\n        bytes[i - 1] = b0;\n      } else if (alpha < 255) {\n        var alpha_ = 255 - alpha;\n        bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8;\n        bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8;\n        bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8;\n      }\n    }\n  }\n\n  function composeSMaskAlpha(maskData, layerData, transferMap) {\n    var length = maskData.length;\n    var scale = 1 / 255;\n    for (var i = 3; i < length; i += 4) {\n      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];\n      layerData[i] = (layerData[i] * alpha * scale) | 0;\n    }\n  }\n\n  function composeSMaskLuminosity(maskData, layerData, transferMap) {\n    var length = maskData.length;\n    for (var i = 3; i < length; i += 4) {\n      var y =\n        maskData[i - 3] * 77 + // * 0.3 / 255 * 0x10000\n        maskData[i - 2] * 152 + // * 0.59 ....\n        maskData[i - 1] * 28; // * 0.11 ....\n      layerData[i] = transferMap\n        ? (layerData[i] * transferMap[y >> 8]) >> 8\n        : (layerData[i] * y) >> 16;\n    }\n  }\n\n  function genericComposeSMask(\n    maskCtx,\n    layerCtx,\n    width,\n    height,\n    subtype,\n    backdrop,\n    transferMap\n  ) {\n    var hasBackdrop = !!backdrop;\n    var r0 = hasBackdrop ? backdrop[0] : 0;\n    var g0 = hasBackdrop ? backdrop[1] : 0;\n    var b0 = hasBackdrop ? backdrop[2] : 0;\n\n    var composeFn;\n    if (subtype === \"Luminosity\") {\n      composeFn = composeSMaskLuminosity;\n    } else {\n      composeFn = composeSMaskAlpha;\n    }\n\n    // processing image in chunks to save memory\n    var PIXELS_TO_PROCESS = 1048576;\n    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));\n    for (var row = 0; row < height; row += chunkSize) {\n      var chunkHeight = Math.min(chunkSize, height - row);\n      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);\n      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);\n\n      if (hasBackdrop) {\n        composeSMaskBackdrop(maskData.data, r0, g0, b0);\n      }\n      composeFn(maskData.data, layerData.data, transferMap);\n\n      maskCtx.putImageData(layerData, 0, row);\n    }\n  }\n\n  function composeSMask(ctx, smask, layerCtx, webGLContext) {\n    var mask = smask.canvas;\n    var maskCtx = smask.context;\n\n    ctx.setTransform(\n      smask.scaleX,\n      0,\n      0,\n      smask.scaleY,\n      smask.offsetX,\n      smask.offsetY\n    );\n\n    var backdrop = smask.backdrop || null;\n    if (!smask.transferMap && webGLContext.isEnabled) {\n      const composed = webGLContext.composeSMask({\n        layer: layerCtx.canvas,\n        mask,\n        properties: {\n          subtype: smask.subtype,\n          backdrop,\n        },\n      });\n      ctx.setTransform(1, 0, 0, 1, 0, 0);\n      ctx.drawImage(composed, smask.offsetX, smask.offsetY);\n      return;\n    }\n    genericComposeSMask(\n      maskCtx,\n      layerCtx,\n      mask.width,\n      mask.height,\n      smask.subtype,\n      backdrop,\n      smask.transferMap\n    );\n    ctx.drawImage(mask, 0, 0);\n  }\n\n  var LINE_CAP_STYLES = [\"butt\", \"round\", \"square\"];\n  var LINE_JOIN_STYLES = [\"miter\", \"round\", \"bevel\"];\n  var NORMAL_CLIP = {};\n  var EO_CLIP = {};\n\n  CanvasGraphics.prototype = {\n    beginDrawing({\n      transform,\n      viewport,\n      transparency = false,\n      background = null,\n    }) {\n      // For pdfs that use blend modes we have to clear the canvas else certain\n      // blend modes can look wrong since we'd be blending with a white\n      // backdrop. The problem with a transparent backdrop though is we then\n      // don't get sub pixel anti aliasing on text, creating temporary\n      // transparent canvas when we have blend modes.\n      var width = this.ctx.canvas.width;\n      var height = this.ctx.canvas.height;\n\n      this.ctx.save();\n      this.ctx.fillStyle = background || \"rgb(255, 255, 255)\";\n      this.ctx.fillRect(0, 0, width, height);\n      this.ctx.restore();\n\n      if (transparency) {\n        var transparentCanvas = this.cachedCanvases.getCanvas(\n          \"transparent\",\n          width,\n          height,\n          true\n        );\n        this.compositeCtx = this.ctx;\n        this.transparentCanvas = transparentCanvas.canvas;\n        this.ctx = transparentCanvas.context;\n        this.ctx.save();\n        // The transform can be applied before rendering, transferring it to\n        // the new canvas.\n        this.ctx.transform.apply(\n          this.ctx,\n          this.compositeCtx.mozCurrentTransform\n        );\n      }\n\n      this.ctx.save();\n      resetCtxToDefault(this.ctx);\n      if (transform) {\n        this.ctx.transform.apply(this.ctx, transform);\n      }\n      this.ctx.transform.apply(this.ctx, viewport.transform);\n\n      this.baseTransform = this.ctx.mozCurrentTransform.slice();\n\n      if (this.imageLayer) {\n        this.imageLayer.beginLayout();\n      }\n    },\n\n    executeOperatorList: function CanvasGraphics_executeOperatorList(\n      operatorList,\n      executionStartIdx,\n      continueCallback,\n      stepper\n    ) {\n      var argsArray = operatorList.argsArray;\n      var fnArray = operatorList.fnArray;\n      var i = executionStartIdx || 0;\n      var argsArrayLen = argsArray.length;\n\n      // Sometimes the OperatorList to execute is empty.\n      if (argsArrayLen === i) {\n        return i;\n      }\n\n      var chunkOperations =\n        argsArrayLen - i > EXECUTION_STEPS &&\n        typeof continueCallback === \"function\";\n      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;\n      var steps = 0;\n\n      var commonObjs = this.commonObjs;\n      var objs = this.objs;\n      var fnId;\n\n      while (true) {\n        if (stepper !== undefined && i === stepper.nextBreakPoint) {\n          stepper.breakIt(i, continueCallback);\n          return i;\n        }\n\n        fnId = fnArray[i];\n\n        if (fnId !== OPS.dependency) {\n          this[fnId].apply(this, argsArray[i]);\n        } else {\n          for (const depObjId of argsArray[i]) {\n            const objsPool = depObjId.startsWith(\"g_\") ? commonObjs : objs;\n\n            // If the promise isn't resolved yet, add the continueCallback\n            // to the promise and bail out.\n            if (!objsPool.has(depObjId)) {\n              objsPool.get(depObjId, continueCallback);\n              return i;\n            }\n          }\n        }\n\n        i++;\n\n        // If the entire operatorList was executed, stop as were done.\n        if (i === argsArrayLen) {\n          return i;\n        }\n\n        // If the execution took longer then a certain amount of time and\n        // `continueCallback` is specified, interrupt the execution.\n        if (chunkOperations && ++steps > EXECUTION_STEPS) {\n          if (Date.now() > endTime) {\n            continueCallback();\n            return i;\n          }\n          steps = 0;\n        }\n\n        // If the operatorList isn't executed completely yet OR the execution\n        // time was short enough, do another execution round.\n      }\n    },\n\n    endDrawing: function CanvasGraphics_endDrawing() {\n      // Finishing all opened operations such as SMask group painting.\n      if (this.current.activeSMask !== null) {\n        this.endSMaskGroup();\n      }\n\n      this.ctx.restore();\n\n      if (this.transparentCanvas) {\n        this.ctx = this.compositeCtx;\n        this.ctx.save();\n        this.ctx.setTransform(1, 0, 0, 1, 0, 0); // Avoid apply transform twice\n        this.ctx.drawImage(this.transparentCanvas, 0, 0);\n        this.ctx.restore();\n        this.transparentCanvas = null;\n      }\n\n      this.cachedCanvases.clear();\n      this.webGLContext.clear();\n\n      if (this.imageLayer) {\n        this.imageLayer.endLayout();\n      }\n    },\n\n    // Graphics state\n    setLineWidth: function CanvasGraphics_setLineWidth(width) {\n      this.current.lineWidth = width;\n      this.ctx.lineWidth = width;\n    },\n    setLineCap: function CanvasGraphics_setLineCap(style) {\n      this.ctx.lineCap = LINE_CAP_STYLES[style];\n    },\n    setLineJoin: function CanvasGraphics_setLineJoin(style) {\n      this.ctx.lineJoin = LINE_JOIN_STYLES[style];\n    },\n    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {\n      this.ctx.miterLimit = limit;\n    },\n    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {\n      var ctx = this.ctx;\n      if (ctx.setLineDash !== undefined) {\n        ctx.setLineDash(dashArray);\n        ctx.lineDashOffset = dashPhase;\n      }\n    },\n    setRenderingIntent(intent) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    },\n    setFlatness(flatness) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    },\n    setGState: function CanvasGraphics_setGState(states) {\n      for (var i = 0, ii = states.length; i < ii; i++) {\n        var state = states[i];\n        var key = state[0];\n        var value = state[1];\n\n        switch (key) {\n          case \"LW\":\n            this.setLineWidth(value);\n            break;\n          case \"LC\":\n            this.setLineCap(value);\n            break;\n          case \"LJ\":\n            this.setLineJoin(value);\n            break;\n          case \"ML\":\n            this.setMiterLimit(value);\n            break;\n          case \"D\":\n            this.setDash(value[0], value[1]);\n            break;\n          case \"RI\":\n            this.setRenderingIntent(value);\n            break;\n          case \"FL\":\n            this.setFlatness(value);\n            break;\n          case \"Font\":\n            this.setFont(value[0], value[1]);\n            break;\n          case \"CA\":\n            this.current.strokeAlpha = state[1];\n            break;\n          case \"ca\":\n            this.current.fillAlpha = state[1];\n            this.ctx.globalAlpha = state[1];\n            break;\n          case \"BM\":\n            this.ctx.globalCompositeOperation = value;\n            break;\n          case \"SMask\":\n            if (this.current.activeSMask) {\n              // If SMask is currrenly used, it needs to be suspended or\n              // finished. Suspend only makes sense when at least one save()\n              // was performed and state needs to be reverted on restore().\n              if (\n                this.stateStack.length > 0 &&\n                this.stateStack[this.stateStack.length - 1].activeSMask ===\n                  this.current.activeSMask\n              ) {\n                this.suspendSMaskGroup();\n              } else {\n                this.endSMaskGroup();\n              }\n            }\n            this.current.activeSMask = value ? this.tempSMask : null;\n            if (this.current.activeSMask) {\n              this.beginSMaskGroup();\n            }\n            this.tempSMask = null;\n            break;\n          case \"TR\":\n            this.current.transferMaps = value;\n        }\n      }\n    },\n    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {\n      var activeSMask = this.current.activeSMask;\n      var drawnWidth = activeSMask.canvas.width;\n      var drawnHeight = activeSMask.canvas.height;\n      var cacheId = \"smaskGroupAt\" + this.groupLevel;\n      var scratchCanvas = this.cachedCanvases.getCanvas(\n        cacheId,\n        drawnWidth,\n        drawnHeight,\n        true\n      );\n\n      var currentCtx = this.ctx;\n      var currentTransform = currentCtx.mozCurrentTransform;\n      this.ctx.save();\n\n      var groupCtx = scratchCanvas.context;\n      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);\n      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);\n      groupCtx.transform.apply(groupCtx, currentTransform);\n\n      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;\n\n      copyCtxState(currentCtx, groupCtx);\n      this.ctx = groupCtx;\n      this.setGState([\n        [\"BM\", \"source-over\"],\n        [\"ca\", 1],\n        [\"CA\", 1],\n      ]);\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n    },\n    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      // Similar to endSMaskGroup, the intermediate canvas has to be composed\n      // and future ctx state restored.\n      var groupCtx = this.ctx;\n      this.groupLevel--;\n      this.ctx = this.groupStack.pop();\n\n      composeSMask(\n        this.ctx,\n        this.current.activeSMask,\n        groupCtx,\n        this.webGLContext\n      );\n      this.ctx.restore();\n      this.ctx.save(); // save is needed since SMask will be resumed.\n      copyCtxState(groupCtx, this.ctx);\n\n      // Saving state for resuming.\n      this.current.resumeSMaskCtx = groupCtx;\n      // Transform was changed in the SMask canvas, reflecting this change on\n      // this.ctx.\n      var deltaTransform = Util.transform(\n        this.current.activeSMask.startTransformInverse,\n        groupCtx.mozCurrentTransform\n      );\n      this.ctx.transform.apply(this.ctx, deltaTransform);\n\n      // SMask was composed, the results at the groupCtx can be cleared.\n      groupCtx.save();\n      groupCtx.setTransform(1, 0, 0, 1, 0, 0);\n      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);\n      groupCtx.restore();\n    },\n    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      // Resuming state saved by suspendSMaskGroup. We don't need to restore\n      // any groupCtx state since restore() command (the only caller) will do\n      // that for us. See also beginSMaskGroup.\n      var groupCtx = this.current.resumeSMaskCtx;\n      var currentCtx = this.ctx;\n      this.ctx = groupCtx;\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n    },\n    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      var groupCtx = this.ctx;\n      this.groupLevel--;\n      this.ctx = this.groupStack.pop();\n\n      composeSMask(\n        this.ctx,\n        this.current.activeSMask,\n        groupCtx,\n        this.webGLContext\n      );\n      this.ctx.restore();\n      copyCtxState(groupCtx, this.ctx);\n      // Transform was changed in the SMask canvas, reflecting this change on\n      // this.ctx.\n      var deltaTransform = Util.transform(\n        this.current.activeSMask.startTransformInverse,\n        groupCtx.mozCurrentTransform\n      );\n      this.ctx.transform.apply(this.ctx, deltaTransform);\n    },\n    save: function CanvasGraphics_save() {\n      this.ctx.save();\n      var old = this.current;\n      this.stateStack.push(old);\n      this.current = old.clone();\n      this.current.resumeSMaskCtx = null;\n    },\n    restore: function CanvasGraphics_restore() {\n      // SMask was suspended, we just need to resume it.\n      if (this.current.resumeSMaskCtx) {\n        this.resumeSMaskGroup();\n      }\n      // SMask has to be finished once there is no states that are using the\n      // same SMask.\n      if (\n        this.current.activeSMask !== null &&\n        (this.stateStack.length === 0 ||\n          this.stateStack[this.stateStack.length - 1].activeSMask !==\n            this.current.activeSMask)\n      ) {\n        this.endSMaskGroup();\n      }\n\n      if (this.stateStack.length !== 0) {\n        this.current = this.stateStack.pop();\n        this.ctx.restore();\n\n        // Ensure that the clipping path is reset (fixes issue6413.pdf).\n        this.pendingClip = null;\n\n        this._cachedGetSinglePixelWidth = null;\n      }\n    },\n    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {\n      this.ctx.transform(a, b, c, d, e, f);\n\n      this._cachedGetSinglePixelWidth = null;\n    },\n\n    // Path\n    constructPath: function CanvasGraphics_constructPath(ops, args) {\n      var ctx = this.ctx;\n      var current = this.current;\n      var x = current.x,\n        y = current.y;\n      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {\n        switch (ops[i] | 0) {\n          case OPS.rectangle:\n            x = args[j++];\n            y = args[j++];\n            var width = args[j++];\n            var height = args[j++];\n            if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {\n              width = this.getSinglePixelWidth();\n            }\n            if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {\n              height = this.getSinglePixelWidth();\n            }\n            var xw = x + width;\n            var yh = y + height;\n            ctx.moveTo(x, y);\n            ctx.lineTo(xw, y);\n            ctx.lineTo(xw, yh);\n            ctx.lineTo(x, yh);\n            ctx.lineTo(x, y);\n            ctx.closePath();\n            break;\n          case OPS.moveTo:\n            x = args[j++];\n            y = args[j++];\n            ctx.moveTo(x, y);\n            break;\n          case OPS.lineTo:\n            x = args[j++];\n            y = args[j++];\n            ctx.lineTo(x, y);\n            break;\n          case OPS.curveTo:\n            x = args[j + 4];\n            y = args[j + 5];\n            ctx.bezierCurveTo(\n              args[j],\n              args[j + 1],\n              args[j + 2],\n              args[j + 3],\n              x,\n              y\n            );\n            j += 6;\n            break;\n          case OPS.curveTo2:\n            ctx.bezierCurveTo(\n              x,\n              y,\n              args[j],\n              args[j + 1],\n              args[j + 2],\n              args[j + 3]\n            );\n            x = args[j + 2];\n            y = args[j + 3];\n            j += 4;\n            break;\n          case OPS.curveTo3:\n            x = args[j + 2];\n            y = args[j + 3];\n            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);\n            j += 4;\n            break;\n          case OPS.closePath:\n            ctx.closePath();\n            break;\n        }\n      }\n      current.setCurrentPoint(x, y);\n    },\n    closePath: function CanvasGraphics_closePath() {\n      this.ctx.closePath();\n    },\n    stroke: function CanvasGraphics_stroke(consumePath) {\n      consumePath = typeof consumePath !== \"undefined\" ? consumePath : true;\n      var ctx = this.ctx;\n      var strokeColor = this.current.strokeColor;\n      // For stroke we want to temporarily change the global alpha to the\n      // stroking alpha.\n      ctx.globalAlpha = this.current.strokeAlpha;\n      if (this.contentVisible) {\n        if (\n          strokeColor &&\n          strokeColor.hasOwnProperty(\"type\") &&\n          strokeColor.type === \"Pattern\"\n        ) {\n          // for patterns, we transform to pattern space, calculate\n          // the pattern, call stroke, and restore to user space\n          ctx.save();\n          // The current transform will be replaced while building the pattern,\n          // but the line width needs to be adjusted by the current transform,\n          // so we must scale it. To properly fix this we should be using a\n          // pattern transform instead (see #10955).\n          const transform = ctx.mozCurrentTransform;\n          const scale = Util.singularValueDecompose2dScale(transform)[0];\n          ctx.strokeStyle = strokeColor.getPattern(ctx, this);\n          ctx.lineWidth = Math.max(\n            this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,\n            this.current.lineWidth * scale\n          );\n          ctx.stroke();\n          ctx.restore();\n        } else {\n          // Prevent drawing too thin lines by enforcing a minimum line width.\n          ctx.lineWidth = Math.max(\n            this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,\n            this.current.lineWidth\n          );\n          ctx.stroke();\n        }\n      }\n      if (consumePath) {\n        this.consumePath();\n      }\n      // Restore the global alpha to the fill alpha\n      ctx.globalAlpha = this.current.fillAlpha;\n    },\n    closeStroke: function CanvasGraphics_closeStroke() {\n      this.closePath();\n      this.stroke();\n    },\n    fill: function CanvasGraphics_fill(consumePath) {\n      consumePath = typeof consumePath !== \"undefined\" ? consumePath : true;\n      var ctx = this.ctx;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n      var needRestore = false;\n\n      if (isPatternFill) {\n        ctx.save();\n        if (this.baseTransform) {\n          ctx.setTransform.apply(ctx, this.baseTransform);\n        }\n        ctx.fillStyle = fillColor.getPattern(ctx, this);\n        needRestore = true;\n      }\n\n      if (this.contentVisible) {\n        if (this.pendingEOFill) {\n          ctx.fill(\"evenodd\");\n          this.pendingEOFill = false;\n        } else {\n          ctx.fill();\n        }\n      }\n\n      if (needRestore) {\n        ctx.restore();\n      }\n      if (consumePath) {\n        this.consumePath();\n      }\n    },\n    eoFill: function CanvasGraphics_eoFill() {\n      this.pendingEOFill = true;\n      this.fill();\n    },\n    fillStroke: function CanvasGraphics_fillStroke() {\n      this.fill(false);\n      this.stroke(false);\n\n      this.consumePath();\n    },\n    eoFillStroke: function CanvasGraphics_eoFillStroke() {\n      this.pendingEOFill = true;\n      this.fillStroke();\n    },\n    closeFillStroke: function CanvasGraphics_closeFillStroke() {\n      this.closePath();\n      this.fillStroke();\n    },\n    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {\n      this.pendingEOFill = true;\n      this.closePath();\n      this.fillStroke();\n    },\n    endPath: function CanvasGraphics_endPath() {\n      this.consumePath();\n    },\n\n    // Clipping\n    clip: function CanvasGraphics_clip() {\n      this.pendingClip = NORMAL_CLIP;\n    },\n    eoClip: function CanvasGraphics_eoClip() {\n      this.pendingClip = EO_CLIP;\n    },\n\n    // Text\n    beginText: function CanvasGraphics_beginText() {\n      this.current.textMatrix = IDENTITY_MATRIX;\n      this.current.textMatrixScale = 1;\n      this.current.x = this.current.lineX = 0;\n      this.current.y = this.current.lineY = 0;\n    },\n    endText: function CanvasGraphics_endText() {\n      var paths = this.pendingTextPaths;\n      var ctx = this.ctx;\n      if (paths === undefined) {\n        ctx.beginPath();\n        return;\n      }\n\n      ctx.save();\n      ctx.beginPath();\n      for (var i = 0; i < paths.length; i++) {\n        var path = paths[i];\n        ctx.setTransform.apply(ctx, path.transform);\n        ctx.translate(path.x, path.y);\n        path.addToPath(ctx, path.fontSize);\n      }\n      ctx.restore();\n      ctx.clip();\n      ctx.beginPath();\n      delete this.pendingTextPaths;\n    },\n    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {\n      this.current.charSpacing = spacing;\n    },\n    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {\n      this.current.wordSpacing = spacing;\n    },\n    setHScale: function CanvasGraphics_setHScale(scale) {\n      this.current.textHScale = scale / 100;\n    },\n    setLeading: function CanvasGraphics_setLeading(leading) {\n      this.current.leading = -leading;\n    },\n    setFont: function CanvasGraphics_setFont(fontRefName, size) {\n      var fontObj = this.commonObjs.get(fontRefName);\n      var current = this.current;\n\n      if (!fontObj) {\n        throw new Error(`Can't find font for ${fontRefName}`);\n      }\n\n      current.fontMatrix = fontObj.fontMatrix\n        ? fontObj.fontMatrix\n        : FONT_IDENTITY_MATRIX;\n\n      // A valid matrix needs all main diagonal elements to be non-zero\n      // This also ensures we bypass FF bugzilla bug #719844.\n      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {\n        warn(\"Invalid font matrix for font \" + fontRefName);\n      }\n\n      // The spec for Tf (setFont) says that 'size' specifies the font 'scale',\n      // and in some docs this can be negative (inverted x-y axes).\n      if (size < 0) {\n        size = -size;\n        current.fontDirection = -1;\n      } else {\n        current.fontDirection = 1;\n      }\n\n      this.current.font = fontObj;\n      this.current.fontSize = size;\n\n      if (fontObj.isType3Font) {\n        return; // we don't need ctx.font for Type3 fonts\n      }\n\n      var name = fontObj.loadedName || \"sans-serif\";\n\n      let bold = \"normal\";\n      if (fontObj.black) {\n        bold = \"900\";\n      } else if (fontObj.bold) {\n        bold = \"bold\";\n      }\n      var italic = fontObj.italic ? \"italic\" : \"normal\";\n      var typeface = `\"${name}\", ${fontObj.fallbackName}`;\n\n      // Some font backends cannot handle fonts below certain size.\n      // Keeping the font at minimal size and using the fontSizeScale to change\n      // the current transformation matrix before the fillText/strokeText.\n      // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227\n      let browserFontSize = size;\n      if (size < MIN_FONT_SIZE) {\n        browserFontSize = MIN_FONT_SIZE;\n      } else if (size > MAX_FONT_SIZE) {\n        browserFontSize = MAX_FONT_SIZE;\n      }\n      this.current.fontSizeScale = size / browserFontSize;\n\n      this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;\n    },\n    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {\n      this.current.textRenderingMode = mode;\n    },\n    setTextRise: function CanvasGraphics_setTextRise(rise) {\n      this.current.textRise = rise;\n    },\n    moveText: function CanvasGraphics_moveText(x, y) {\n      this.current.x = this.current.lineX += x;\n      this.current.y = this.current.lineY += y;\n    },\n    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {\n      this.setLeading(-y);\n      this.moveText(x, y);\n    },\n    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {\n      this.current.textMatrix = [a, b, c, d, e, f];\n      this.current.textMatrixScale = Math.sqrt(a * a + b * b);\n\n      this.current.x = this.current.lineX = 0;\n      this.current.y = this.current.lineY = 0;\n    },\n    nextLine: function CanvasGraphics_nextLine() {\n      this.moveText(0, this.current.leading);\n    },\n\n    paintChar(character, x, y, patternTransform) {\n      var ctx = this.ctx;\n      var current = this.current;\n      var font = current.font;\n      var textRenderingMode = current.textRenderingMode;\n      var fontSize = current.fontSize / current.fontSizeScale;\n      var fillStrokeMode =\n        textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n      var isAddToPathSet = !!(\n        textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG\n      );\n      const patternFill = current.patternFill && !font.missingFile;\n\n      var addToPath;\n      if (font.disableFontFace || isAddToPathSet || patternFill) {\n        addToPath = font.getPathGenerator(this.commonObjs, character);\n      }\n\n      if (font.disableFontFace || patternFill) {\n        ctx.save();\n        ctx.translate(x, y);\n        ctx.beginPath();\n        addToPath(ctx, fontSize);\n        if (patternTransform) {\n          ctx.setTransform.apply(ctx, patternTransform);\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.FILL ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.fill();\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.stroke();\n        }\n        ctx.restore();\n      } else {\n        if (\n          fillStrokeMode === TextRenderingMode.FILL ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.fillText(character, x, y);\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.strokeText(character, x, y);\n        }\n      }\n\n      if (isAddToPathSet) {\n        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);\n        paths.push({\n          transform: ctx.mozCurrentTransform,\n          x,\n          y,\n          fontSize,\n          addToPath,\n        });\n      }\n    },\n\n    get isFontSubpixelAAEnabled() {\n      // Checks if anti-aliasing is enabled when scaled text is painted.\n      // On Windows GDI scaled fonts looks bad.\n      const { context: ctx } = this.cachedCanvases.getCanvas(\n        \"isFontSubpixelAAEnabled\",\n        10,\n        10\n      );\n      ctx.scale(1.5, 1);\n      ctx.fillText(\"I\", 0, 10);\n      var data = ctx.getImageData(0, 0, 10, 10).data;\n      var enabled = false;\n      for (var i = 3; i < data.length; i += 4) {\n        if (data[i] > 0 && data[i] < 255) {\n          enabled = true;\n          break;\n        }\n      }\n      return shadow(this, \"isFontSubpixelAAEnabled\", enabled);\n    },\n\n    showText: function CanvasGraphics_showText(glyphs) {\n      var current = this.current;\n      var font = current.font;\n      if (font.isType3Font) {\n        return this.showType3Text(glyphs);\n      }\n\n      var fontSize = current.fontSize;\n      if (fontSize === 0) {\n        return undefined;\n      }\n\n      var ctx = this.ctx;\n      var fontSizeScale = current.fontSizeScale;\n      var charSpacing = current.charSpacing;\n      var wordSpacing = current.wordSpacing;\n      var fontDirection = current.fontDirection;\n      var textHScale = current.textHScale * fontDirection;\n      var glyphsLength = glyphs.length;\n      var vertical = font.vertical;\n      var spacingDir = vertical ? 1 : -1;\n      var defaultVMetrics = font.defaultVMetrics;\n      var widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n      var simpleFillText =\n        current.textRenderingMode === TextRenderingMode.FILL &&\n        !font.disableFontFace &&\n        !current.patternFill;\n\n      ctx.save();\n      let patternTransform;\n      if (current.patternFill) {\n        // TODO: Patterns are not applied correctly to text if a non-embedded\n        // font is used. E.g. issue 8111 and ShowText-ShadingPattern.pdf.\n        ctx.save();\n        const pattern = current.fillColor.getPattern(ctx, this);\n        patternTransform = ctx.mozCurrentTransform;\n        ctx.restore();\n        ctx.fillStyle = pattern;\n      }\n      ctx.transform.apply(ctx, current.textMatrix);\n      ctx.translate(current.x, current.y + current.textRise);\n\n      if (fontDirection > 0) {\n        ctx.scale(textHScale, -1);\n      } else {\n        ctx.scale(textHScale, 1);\n      }\n\n      var lineWidth = current.lineWidth;\n      var scale = current.textMatrixScale;\n      if (scale === 0 || lineWidth === 0) {\n        var fillStrokeMode =\n          current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          this._cachedGetSinglePixelWidth = null;\n          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;\n        }\n      } else {\n        lineWidth /= scale;\n      }\n\n      if (fontSizeScale !== 1.0) {\n        ctx.scale(fontSizeScale, fontSizeScale);\n        lineWidth /= fontSizeScale;\n      }\n\n      ctx.lineWidth = lineWidth;\n\n      var x = 0,\n        i;\n      for (i = 0; i < glyphsLength; ++i) {\n        var glyph = glyphs[i];\n        if (isNum(glyph)) {\n          x += (spacingDir * glyph * fontSize) / 1000;\n          continue;\n        }\n\n        var restoreNeeded = false;\n        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        var character = glyph.fontChar;\n        var accent = glyph.accent;\n        var scaledX, scaledY, scaledAccentX, scaledAccentY;\n        var width = glyph.width;\n        if (vertical) {\n          var vmetric, vx, vy;\n          vmetric = glyph.vmetric || defaultVMetrics;\n          vx = glyph.vmetric ? vmetric[1] : width * 0.5;\n          vx = -vx * widthAdvanceScale;\n          vy = vmetric[2] * widthAdvanceScale;\n\n          width = vmetric ? -vmetric[0] : width;\n          scaledX = vx / fontSizeScale;\n          scaledY = (x + vy) / fontSizeScale;\n        } else {\n          scaledX = x / fontSizeScale;\n          scaledY = 0;\n        }\n\n        if (font.remeasure && width > 0) {\n          // Some standard fonts may not have the exact width: rescale per\n          // character if measured width is greater than expected glyph width\n          // and subpixel-aa is enabled, otherwise just center the glyph.\n          var measuredWidth =\n            ((ctx.measureText(character).width * 1000) / fontSize) *\n            fontSizeScale;\n          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {\n            var characterScaleX = width / measuredWidth;\n            restoreNeeded = true;\n            ctx.save();\n            ctx.scale(characterScaleX, 1);\n            scaledX /= characterScaleX;\n          } else if (width !== measuredWidth) {\n            scaledX +=\n              (((width - measuredWidth) / 2000) * fontSize) / fontSizeScale;\n          }\n        }\n\n        // Only attempt to draw the glyph if it is actually in the embedded font\n        // file or if there isn't a font file so the fallback font is shown.\n        if (this.contentVisible && (glyph.isInFont || font.missingFile)) {\n          if (simpleFillText && !accent) {\n            // common case\n            ctx.fillText(character, scaledX, scaledY);\n          } else {\n            this.paintChar(character, scaledX, scaledY, patternTransform);\n            if (accent) {\n              scaledAccentX =\n                scaledX + (fontSize * accent.offset.x) / fontSizeScale;\n              scaledAccentY =\n                scaledY - (fontSize * accent.offset.y) / fontSizeScale;\n              this.paintChar(\n                accent.fontChar,\n                scaledAccentX,\n                scaledAccentY,\n                patternTransform\n              );\n            }\n          }\n        }\n\n        var charWidth;\n        if (vertical) {\n          charWidth = width * widthAdvanceScale - spacing * fontDirection;\n        } else {\n          charWidth = width * widthAdvanceScale + spacing * fontDirection;\n        }\n        x += charWidth;\n\n        if (restoreNeeded) {\n          ctx.restore();\n        }\n      }\n      if (vertical) {\n        current.y -= x;\n      } else {\n        current.x += x * textHScale;\n      }\n      ctx.restore();\n    },\n\n    showType3Text: function CanvasGraphics_showType3Text(glyphs) {\n      // Type3 fonts - each glyph is a \"mini-PDF\"\n      var ctx = this.ctx;\n      var current = this.current;\n      var font = current.font;\n      var fontSize = current.fontSize;\n      var fontDirection = current.fontDirection;\n      var spacingDir = font.vertical ? 1 : -1;\n      var charSpacing = current.charSpacing;\n      var wordSpacing = current.wordSpacing;\n      var textHScale = current.textHScale * fontDirection;\n      var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;\n      var glyphsLength = glyphs.length;\n      var isTextInvisible =\n        current.textRenderingMode === TextRenderingMode.INVISIBLE;\n      var i, glyph, width, spacingLength;\n\n      if (isTextInvisible || fontSize === 0) {\n        return;\n      }\n      this._cachedGetSinglePixelWidth = null;\n\n      ctx.save();\n      ctx.transform.apply(ctx, current.textMatrix);\n      ctx.translate(current.x, current.y);\n\n      ctx.scale(textHScale, fontDirection);\n\n      for (i = 0; i < glyphsLength; ++i) {\n        glyph = glyphs[i];\n        if (isNum(glyph)) {\n          spacingLength = (spacingDir * glyph * fontSize) / 1000;\n          this.ctx.translate(spacingLength, 0);\n          current.x += spacingLength * textHScale;\n          continue;\n        }\n\n        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        var operatorList = font.charProcOperatorList[glyph.operatorListId];\n        if (!operatorList) {\n          warn(`Type3 character \"${glyph.operatorListId}\" is not available.`);\n          continue;\n        }\n        if (this.contentVisible) {\n          this.processingType3 = glyph;\n          this.save();\n          ctx.scale(fontSize, fontSize);\n          ctx.transform.apply(ctx, fontMatrix);\n          this.executeOperatorList(operatorList);\n          this.restore();\n        }\n\n        var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);\n        width = transformed[0] * fontSize + spacing;\n\n        ctx.translate(width, 0);\n        current.x += width * textHScale;\n      }\n      ctx.restore();\n      this.processingType3 = null;\n    },\n\n    // Type3 fonts\n    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {\n      // We can safely ignore this since the width should be the same\n      // as the width in the Widths array.\n    },\n    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(\n      xWidth,\n      yWidth,\n      llx,\n      lly,\n      urx,\n      ury\n    ) {\n      // TODO According to the spec we're also suppose to ignore any operators\n      // that set color or include images while processing this type3 font.\n      this.ctx.rect(llx, lly, urx - llx, ury - lly);\n      this.clip();\n      this.endPath();\n    },\n\n    // Color\n    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {\n      var pattern;\n      if (IR[0] === \"TilingPattern\") {\n        var color = IR[1];\n        var baseTransform =\n          this.baseTransform || this.ctx.mozCurrentTransform.slice();\n        var canvasGraphicsFactory = {\n          createCanvasGraphics: ctx => {\n            return new CanvasGraphics(\n              ctx,\n              this.commonObjs,\n              this.objs,\n              this.canvasFactory,\n              this.webGLContext\n            );\n          },\n        };\n        pattern = new TilingPattern(\n          IR,\n          color,\n          this.ctx,\n          canvasGraphicsFactory,\n          baseTransform\n        );\n      } else {\n        pattern = getShadingPatternFromIR(IR);\n      }\n      return pattern;\n    },\n    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {\n      this.current.strokeColor = this.getColorN_Pattern(arguments);\n    },\n    setFillColorN: function CanvasGraphics_setFillColorN() {\n      this.current.fillColor = this.getColorN_Pattern(arguments);\n      this.current.patternFill = true;\n    },\n    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {\n      var color = Util.makeCssRgb(r, g, b);\n      this.ctx.strokeStyle = color;\n      this.current.strokeColor = color;\n    },\n    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {\n      var color = Util.makeCssRgb(r, g, b);\n      this.ctx.fillStyle = color;\n      this.current.fillColor = color;\n      this.current.patternFill = false;\n    },\n\n    shadingFill: function CanvasGraphics_shadingFill(patternIR) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n\n      this.save();\n      var pattern = getShadingPatternFromIR(patternIR);\n      ctx.fillStyle = pattern.getPattern(ctx, this, true);\n\n      var inv = ctx.mozCurrentTransformInverse;\n      if (inv) {\n        var canvas = ctx.canvas;\n        var width = canvas.width;\n        var height = canvas.height;\n\n        var bl = Util.applyTransform([0, 0], inv);\n        var br = Util.applyTransform([0, height], inv);\n        var ul = Util.applyTransform([width, 0], inv);\n        var ur = Util.applyTransform([width, height], inv);\n\n        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);\n        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);\n        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);\n        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);\n\n        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);\n      } else {\n        // HACK to draw the gradient onto an infinite rectangle.\n        // PDF gradients are drawn across the entire image while\n        // Canvas only allows gradients to be drawn in a rectangle\n        // The following bug should allow us to remove this.\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=664884\n\n        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);\n      }\n\n      this.restore();\n    },\n\n    // Images\n    beginInlineImage: function CanvasGraphics_beginInlineImage() {\n      unreachable(\"Should not call beginInlineImage\");\n    },\n    beginImageData: function CanvasGraphics_beginImageData() {\n      unreachable(\"Should not call beginImageData\");\n    },\n\n    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(\n      matrix,\n      bbox\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.save();\n      this.baseTransformStack.push(this.baseTransform);\n\n      if (Array.isArray(matrix) && matrix.length === 6) {\n        this.transform.apply(this, matrix);\n      }\n\n      this.baseTransform = this.ctx.mozCurrentTransform;\n\n      if (bbox) {\n        var width = bbox[2] - bbox[0];\n        var height = bbox[3] - bbox[1];\n        this.ctx.rect(bbox[0], bbox[1], width, height);\n        this.clip();\n        this.endPath();\n      }\n    },\n\n    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.restore();\n      this.baseTransform = this.baseTransformStack.pop();\n    },\n\n    beginGroup: function CanvasGraphics_beginGroup(group) {\n      if (!this.contentVisible) {\n        return;\n      }\n\n      this.save();\n      var currentCtx = this.ctx;\n      // TODO non-isolated groups - according to Rik at adobe non-isolated\n      // group results aren't usually that different and they even have tools\n      // that ignore this setting. Notes from Rik on implementing:\n      // - When you encounter an transparency group, create a new canvas with\n      // the dimensions of the bbox\n      // - copy the content from the previous canvas to the new canvas\n      // - draw as usual\n      // - remove the backdrop alpha:\n      // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha\n      // value of your transparency group and 'alphaBackdrop' the alpha of the\n      // backdrop\n      // - remove background color:\n      // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew)\n      if (!group.isolated) {\n        info(\"TODO: Support non-isolated groups.\");\n      }\n\n      // TODO knockout - supposedly possible with the clever use of compositing\n      // modes.\n      if (group.knockout) {\n        warn(\"Knockout groups not supported.\");\n      }\n\n      var currentTransform = currentCtx.mozCurrentTransform;\n      if (group.matrix) {\n        currentCtx.transform.apply(currentCtx, group.matrix);\n      }\n      if (!group.bbox) {\n        throw new Error(\"Bounding box is required.\");\n      }\n\n      // Based on the current transform figure out how big the bounding box\n      // will actually be.\n      var bounds = Util.getAxialAlignedBoundingBox(\n        group.bbox,\n        currentCtx.mozCurrentTransform\n      );\n      // Clip the bounding box to the current canvas.\n      var canvasBounds = [\n        0,\n        0,\n        currentCtx.canvas.width,\n        currentCtx.canvas.height,\n      ];\n      bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];\n      // Use ceil in case we're between sizes so we don't create canvas that is\n      // too small and make the canvas at least 1x1 pixels.\n      var offsetX = Math.floor(bounds[0]);\n      var offsetY = Math.floor(bounds[1]);\n      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);\n      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);\n      var scaleX = 1,\n        scaleY = 1;\n      if (drawnWidth > MAX_GROUP_SIZE) {\n        scaleX = drawnWidth / MAX_GROUP_SIZE;\n        drawnWidth = MAX_GROUP_SIZE;\n      }\n      if (drawnHeight > MAX_GROUP_SIZE) {\n        scaleY = drawnHeight / MAX_GROUP_SIZE;\n        drawnHeight = MAX_GROUP_SIZE;\n      }\n\n      var cacheId = \"groupAt\" + this.groupLevel;\n      if (group.smask) {\n        // Using two cache entries is case if masks are used one after another.\n        cacheId += \"_smask_\" + (this.smaskCounter++ % 2);\n      }\n      var scratchCanvas = this.cachedCanvases.getCanvas(\n        cacheId,\n        drawnWidth,\n        drawnHeight,\n        true\n      );\n      var groupCtx = scratchCanvas.context;\n\n      // Since we created a new canvas that is just the size of the bounding box\n      // we have to translate the group ctx.\n      groupCtx.scale(1 / scaleX, 1 / scaleY);\n      groupCtx.translate(-offsetX, -offsetY);\n      groupCtx.transform.apply(groupCtx, currentTransform);\n\n      if (group.smask) {\n        // Saving state and cached mask to be used in setGState.\n        this.smaskStack.push({\n          canvas: scratchCanvas.canvas,\n          context: groupCtx,\n          offsetX,\n          offsetY,\n          scaleX,\n          scaleY,\n          subtype: group.smask.subtype,\n          backdrop: group.smask.backdrop,\n          transferMap: group.smask.transferMap || null,\n          startTransformInverse: null, // used during suspend operation\n        });\n      } else {\n        // Setup the current ctx so when the group is popped we draw it at the\n        // right location.\n        currentCtx.setTransform(1, 0, 0, 1, 0, 0);\n        currentCtx.translate(offsetX, offsetY);\n        currentCtx.scale(scaleX, scaleY);\n      }\n      // The transparency group inherits all off the current graphics state\n      // except the blend mode, soft mask, and alpha constants.\n      copyCtxState(currentCtx, groupCtx);\n      this.ctx = groupCtx;\n      this.setGState([\n        [\"BM\", \"source-over\"],\n        [\"ca\", 1],\n        [\"CA\", 1],\n      ]);\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n\n      // Reseting mask state, masks will be applied on restore of the group.\n      this.current.activeSMask = null;\n    },\n\n    endGroup: function CanvasGraphics_endGroup(group) {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.groupLevel--;\n      var groupCtx = this.ctx;\n      this.ctx = this.groupStack.pop();\n      // Turn off image smoothing to avoid sub pixel interpolation which can\n      // look kind of blurry for some pdfs.\n      if (this.ctx.imageSmoothingEnabled !== undefined) {\n        this.ctx.imageSmoothingEnabled = false;\n      } else {\n        this.ctx.mozImageSmoothingEnabled = false;\n      }\n      if (group.smask) {\n        this.tempSMask = this.smaskStack.pop();\n      } else {\n        this.ctx.drawImage(groupCtx.canvas, 0, 0);\n      }\n      this.restore();\n    },\n\n    beginAnnotations: function CanvasGraphics_beginAnnotations() {\n      this.save();\n      if (this.baseTransform) {\n        this.ctx.setTransform.apply(this.ctx, this.baseTransform);\n      }\n    },\n\n    endAnnotations: function CanvasGraphics_endAnnotations() {\n      this.restore();\n    },\n\n    beginAnnotation: function CanvasGraphics_beginAnnotation(\n      rect,\n      transform,\n      matrix\n    ) {\n      this.save();\n      resetCtxToDefault(this.ctx);\n      this.current = new CanvasExtraState();\n\n      if (Array.isArray(rect) && rect.length === 4) {\n        var width = rect[2] - rect[0];\n        var height = rect[3] - rect[1];\n        this.ctx.rect(rect[0], rect[1], width, height);\n        this.clip();\n        this.endPath();\n      }\n\n      this.transform.apply(this, transform);\n      this.transform.apply(this, matrix);\n    },\n\n    endAnnotation: function CanvasGraphics_endAnnotation() {\n      this.restore();\n    },\n\n    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n      var width = img.width,\n        height = img.height;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n\n      var glyph = this.processingType3;\n\n      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {\n        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {\n          glyph.compiled = compileType3Glyph({ data: img.data, width, height });\n        } else {\n          glyph.compiled = null;\n        }\n      }\n\n      if (glyph && glyph.compiled) {\n        glyph.compiled(ctx);\n        return;\n      }\n\n      var maskCanvas = this.cachedCanvases.getCanvas(\n        \"maskCanvas\",\n        width,\n        height\n      );\n      var maskCtx = maskCanvas.context;\n      maskCtx.save();\n\n      putBinaryImageMask(maskCtx, img);\n\n      maskCtx.globalCompositeOperation = \"source-in\";\n\n      maskCtx.fillStyle = isPatternFill\n        ? fillColor.getPattern(maskCtx, this)\n        : fillColor;\n      maskCtx.fillRect(0, 0, width, height);\n\n      maskCtx.restore();\n\n      this.paintInlineImageXObject(maskCanvas.canvas);\n    },\n\n    paintImageMaskXObjectRepeat(\n      imgData,\n      scaleX,\n      skewX = 0,\n      skewY = 0,\n      scaleY,\n      positions\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var width = imgData.width;\n      var height = imgData.height;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n\n      var maskCanvas = this.cachedCanvases.getCanvas(\n        \"maskCanvas\",\n        width,\n        height\n      );\n      var maskCtx = maskCanvas.context;\n      maskCtx.save();\n\n      putBinaryImageMask(maskCtx, imgData);\n\n      maskCtx.globalCompositeOperation = \"source-in\";\n\n      maskCtx.fillStyle = isPatternFill\n        ? fillColor.getPattern(maskCtx, this)\n        : fillColor;\n      maskCtx.fillRect(0, 0, width, height);\n\n      maskCtx.restore();\n\n      var ctx = this.ctx;\n      for (var i = 0, ii = positions.length; i < ii; i += 2) {\n        ctx.save();\n        ctx.transform(\n          scaleX,\n          skewX,\n          skewY,\n          scaleY,\n          positions[i],\n          positions[i + 1]\n        );\n        ctx.scale(1, -1);\n        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);\n        ctx.restore();\n      }\n    },\n\n    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(\n      images\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n      for (var i = 0, ii = images.length; i < ii; i++) {\n        var image = images[i];\n        var width = image.width,\n          height = image.height;\n\n        var maskCanvas = this.cachedCanvases.getCanvas(\n          \"maskCanvas\",\n          width,\n          height\n        );\n        var maskCtx = maskCanvas.context;\n        maskCtx.save();\n\n        putBinaryImageMask(maskCtx, image);\n\n        maskCtx.globalCompositeOperation = \"source-in\";\n\n        maskCtx.fillStyle = isPatternFill\n          ? fillColor.getPattern(maskCtx, this)\n          : fillColor;\n        maskCtx.fillRect(0, 0, width, height);\n\n        maskCtx.restore();\n\n        ctx.save();\n        ctx.transform.apply(ctx, image.transform);\n        ctx.scale(1, -1);\n        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);\n        ctx.restore();\n      }\n    },\n\n    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {\n      if (!this.contentVisible) {\n        return;\n      }\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(\"Dependent image isn't ready yet\");\n        return;\n      }\n\n      this.paintInlineImageXObject(imgData);\n    },\n\n    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(\n      objId,\n      scaleX,\n      scaleY,\n      positions\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(\"Dependent image isn't ready yet\");\n        return;\n      }\n\n      var width = imgData.width;\n      var height = imgData.height;\n      var map = [];\n      for (var i = 0, ii = positions.length; i < ii; i += 2) {\n        map.push({\n          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],\n          x: 0,\n          y: 0,\n          w: width,\n          h: height,\n        });\n      }\n      this.paintInlineImageXObjectGroup(imgData, map);\n    },\n\n    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(\n      imgData\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var width = imgData.width;\n      var height = imgData.height;\n      var ctx = this.ctx;\n\n      this.save();\n      // scale the image to the unit square\n      ctx.scale(1 / width, -1 / height);\n\n      var currentTransform = ctx.mozCurrentTransformInverse;\n      var a = currentTransform[0],\n        b = currentTransform[1];\n      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);\n      var c = currentTransform[2],\n        d = currentTransform[3];\n      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);\n\n      var imgToPaint, tmpCanvas;\n      // typeof check is needed due to node.js support, see issue #8489\n      if (\n        (typeof HTMLElement === \"function\" && imgData instanceof HTMLElement) ||\n        !imgData.data\n      ) {\n        imgToPaint = imgData;\n      } else {\n        tmpCanvas = this.cachedCanvases.getCanvas(\"inlineImage\", width, height);\n        var tmpCtx = tmpCanvas.context;\n        putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);\n        imgToPaint = tmpCanvas.canvas;\n      }\n\n      var paintWidth = width,\n        paintHeight = height;\n      var tmpCanvasId = \"prescale1\";\n      // Vertical or horizontal scaling shall not be more than 2 to not lose the\n      // pixels during drawImage operation, painting on the temporary canvas(es)\n      // that are twice smaller in size.\n      while (\n        (widthScale > 2 && paintWidth > 1) ||\n        (heightScale > 2 && paintHeight > 1)\n      ) {\n        var newWidth = paintWidth,\n          newHeight = paintHeight;\n        if (widthScale > 2 && paintWidth > 1) {\n          newWidth = Math.ceil(paintWidth / 2);\n          widthScale /= paintWidth / newWidth;\n        }\n        if (heightScale > 2 && paintHeight > 1) {\n          newHeight = Math.ceil(paintHeight / 2);\n          heightScale /= paintHeight / newHeight;\n        }\n        tmpCanvas = this.cachedCanvases.getCanvas(\n          tmpCanvasId,\n          newWidth,\n          newHeight\n        );\n        tmpCtx = tmpCanvas.context;\n        tmpCtx.clearRect(0, 0, newWidth, newHeight);\n        tmpCtx.drawImage(\n          imgToPaint,\n          0,\n          0,\n          paintWidth,\n          paintHeight,\n          0,\n          0,\n          newWidth,\n          newHeight\n        );\n        imgToPaint = tmpCanvas.canvas;\n        paintWidth = newWidth;\n        paintHeight = newHeight;\n        tmpCanvasId = tmpCanvasId === \"prescale1\" ? \"prescale2\" : \"prescale1\";\n      }\n      ctx.drawImage(\n        imgToPaint,\n        0,\n        0,\n        paintWidth,\n        paintHeight,\n        0,\n        -height,\n        width,\n        height\n      );\n\n      if (this.imageLayer) {\n        var position = this.getCanvasPosition(0, -height);\n        this.imageLayer.appendImage({\n          imgData,\n          left: position[0],\n          top: position[1],\n          width: width / currentTransform[0],\n          height: height / currentTransform[3],\n        });\n      }\n      this.restore();\n    },\n\n    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(\n      imgData,\n      map\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n      var w = imgData.width;\n      var h = imgData.height;\n\n      var tmpCanvas = this.cachedCanvases.getCanvas(\"inlineImage\", w, h);\n      var tmpCtx = tmpCanvas.context;\n      putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);\n\n      for (var i = 0, ii = map.length; i < ii; i++) {\n        var entry = map[i];\n        ctx.save();\n        ctx.transform.apply(ctx, entry.transform);\n        ctx.scale(1, -1);\n        ctx.drawImage(\n          tmpCanvas.canvas,\n          entry.x,\n          entry.y,\n          entry.w,\n          entry.h,\n          0,\n          -1,\n          1,\n          1\n        );\n        if (this.imageLayer) {\n          var position = this.getCanvasPosition(entry.x, entry.y);\n          this.imageLayer.appendImage({\n            imgData,\n            left: position[0],\n            top: position[1],\n            width: w,\n            height: h,\n          });\n        }\n        ctx.restore();\n      }\n    },\n\n    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.ctx.fillRect(0, 0, 1, 1);\n    },\n\n    // Marked content\n\n    markPoint: function CanvasGraphics_markPoint(tag) {\n      // TODO Marked content.\n    },\n    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {\n      // TODO Marked content.\n    },\n    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {\n      this.markedContentStack.push({\n        visible: true,\n      });\n    },\n    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(\n      tag,\n      properties\n    ) {\n      if (tag === \"OC\") {\n        this.markedContentStack.push({\n          visible: this.optionalContentConfig.isVisible(properties),\n        });\n      } else {\n        this.markedContentStack.push({\n          visible: true,\n        });\n      }\n      this.contentVisible = this.isContentVisible();\n    },\n    endMarkedContent: function CanvasGraphics_endMarkedContent() {\n      this.markedContentStack.pop();\n      this.contentVisible = this.isContentVisible();\n    },\n\n    // Compatibility\n\n    beginCompat: function CanvasGraphics_beginCompat() {\n      // TODO ignore undefined operators (should we do that anyway?)\n    },\n    endCompat: function CanvasGraphics_endCompat() {\n      // TODO stop ignoring undefined operators\n    },\n\n    // Helper functions\n\n    consumePath: function CanvasGraphics_consumePath() {\n      var ctx = this.ctx;\n      if (this.pendingClip) {\n        if (this.pendingClip === EO_CLIP) {\n          ctx.clip(\"evenodd\");\n        } else {\n          ctx.clip();\n        }\n        this.pendingClip = null;\n      }\n      ctx.beginPath();\n    },\n    getSinglePixelWidth(scale) {\n      if (this._cachedGetSinglePixelWidth === null) {\n        const inverse = this.ctx.mozCurrentTransformInverse;\n        // max of the current horizontal and vertical scale\n        this._cachedGetSinglePixelWidth = Math.sqrt(\n          Math.max(\n            inverse[0] * inverse[0] + inverse[1] * inverse[1],\n            inverse[2] * inverse[2] + inverse[3] * inverse[3]\n          )\n        );\n      }\n      return this._cachedGetSinglePixelWidth;\n    },\n    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {\n      var transform = this.ctx.mozCurrentTransform;\n      return [\n        transform[0] * x + transform[2] * y + transform[4],\n        transform[1] * x + transform[3] * y + transform[5],\n      ];\n    },\n\n    isContentVisible: function CanvasGraphics_isContentVisible() {\n      for (let i = this.markedContentStack.length - 1; i >= 0; i--) {\n        if (!this.markedContentStack[i].visible) {\n          return false;\n        }\n      }\n      return true;\n    },\n  };\n\n  for (var op in OPS) {\n    CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];\n  }\n\n  return CanvasGraphics;\n})();\n\nexport { CanvasGraphics };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FormatError, info, Util } from \"../shared/util.js\";\n\nvar ShadingIRs = {};\n\nfunction applyBoundingBox(ctx, bbox) {\n  if (!bbox || typeof Path2D === \"undefined\") {\n    return;\n  }\n  const width = bbox[2] - bbox[0];\n  const height = bbox[3] - bbox[1];\n  const region = new Path2D();\n  region.rect(bbox[0], bbox[1], width, height);\n  ctx.clip(region);\n}\n\nShadingIRs.RadialAxial = {\n  fromIR: function RadialAxial_fromIR(raw) {\n    var type = raw[1];\n    var bbox = raw[2];\n    var colorStops = raw[3];\n    var p0 = raw[4];\n    var p1 = raw[5];\n    var r0 = raw[6];\n    var r1 = raw[7];\n    return {\n      type: \"Pattern\",\n      getPattern: function RadialAxial_getPattern(ctx) {\n        applyBoundingBox(ctx, bbox);\n        var grad;\n        if (type === \"axial\") {\n          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);\n        } else if (type === \"radial\") {\n          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);\n        }\n\n        for (var i = 0, ii = colorStops.length; i < ii; ++i) {\n          var c = colorStops[i];\n          grad.addColorStop(c[0], c[1]);\n        }\n        return grad;\n      },\n    };\n  },\n};\n\nvar createMeshCanvas = (function createMeshCanvasClosure() {\n  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {\n    // Very basic Gouraud-shaded triangle rasterization algorithm.\n    var coords = context.coords,\n      colors = context.colors;\n    var bytes = data.data,\n      rowSize = data.width * 4;\n    var tmp;\n    if (coords[p1 + 1] > coords[p2 + 1]) {\n      tmp = p1;\n      p1 = p2;\n      p2 = tmp;\n      tmp = c1;\n      c1 = c2;\n      c2 = tmp;\n    }\n    if (coords[p2 + 1] > coords[p3 + 1]) {\n      tmp = p2;\n      p2 = p3;\n      p3 = tmp;\n      tmp = c2;\n      c2 = c3;\n      c3 = tmp;\n    }\n    if (coords[p1 + 1] > coords[p2 + 1]) {\n      tmp = p1;\n      p1 = p2;\n      p2 = tmp;\n      tmp = c1;\n      c1 = c2;\n      c2 = tmp;\n    }\n    var x1 = (coords[p1] + context.offsetX) * context.scaleX;\n    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;\n    var x2 = (coords[p2] + context.offsetX) * context.scaleX;\n    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;\n    var x3 = (coords[p3] + context.offsetX) * context.scaleX;\n    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;\n    if (y1 >= y3) {\n      return;\n    }\n    var c1r = colors[c1],\n      c1g = colors[c1 + 1],\n      c1b = colors[c1 + 2];\n    var c2r = colors[c2],\n      c2g = colors[c2 + 1],\n      c2b = colors[c2 + 2];\n    var c3r = colors[c3],\n      c3g = colors[c3 + 1],\n      c3b = colors[c3 + 2];\n\n    var minY = Math.round(y1),\n      maxY = Math.round(y3);\n    var xa, car, cag, cab;\n    var xb, cbr, cbg, cbb;\n    for (var y = minY; y <= maxY; y++) {\n      if (y < y2) {\n        let k;\n        if (y < y1) {\n          k = 0;\n        } else if (y1 === y2) {\n          k = 1;\n        } else {\n          k = (y1 - y) / (y1 - y2);\n        }\n        xa = x1 - (x1 - x2) * k;\n        car = c1r - (c1r - c2r) * k;\n        cag = c1g - (c1g - c2g) * k;\n        cab = c1b - (c1b - c2b) * k;\n      } else {\n        let k;\n        if (y > y3) {\n          k = 1;\n        } else if (y2 === y3) {\n          k = 0;\n        } else {\n          k = (y2 - y) / (y2 - y3);\n        }\n        xa = x2 - (x2 - x3) * k;\n        car = c2r - (c2r - c3r) * k;\n        cag = c2g - (c2g - c3g) * k;\n        cab = c2b - (c2b - c3b) * k;\n      }\n\n      let k;\n      if (y < y1) {\n        k = 0;\n      } else if (y > y3) {\n        k = 1;\n      } else {\n        k = (y1 - y) / (y1 - y3);\n      }\n      xb = x1 - (x1 - x3) * k;\n      cbr = c1r - (c1r - c3r) * k;\n      cbg = c1g - (c1g - c3g) * k;\n      cbb = c1b - (c1b - c3b) * k;\n      var x1_ = Math.round(Math.min(xa, xb));\n      var x2_ = Math.round(Math.max(xa, xb));\n      var j = rowSize * y + x1_ * 4;\n      for (var x = x1_; x <= x2_; x++) {\n        k = (xa - x) / (xa - xb);\n        if (k < 0) {\n          k = 0;\n        } else if (k > 1) {\n          k = 1;\n        }\n        bytes[j++] = (car - (car - cbr) * k) | 0;\n        bytes[j++] = (cag - (cag - cbg) * k) | 0;\n        bytes[j++] = (cab - (cab - cbb) * k) | 0;\n        bytes[j++] = 255;\n      }\n    }\n  }\n\n  function drawFigure(data, figure, context) {\n    var ps = figure.coords;\n    var cs = figure.colors;\n    var i, ii;\n    switch (figure.type) {\n      case \"lattice\":\n        var verticesPerRow = figure.verticesPerRow;\n        var rows = Math.floor(ps.length / verticesPerRow) - 1;\n        var cols = verticesPerRow - 1;\n        for (i = 0; i < rows; i++) {\n          var q = i * verticesPerRow;\n          for (var j = 0; j < cols; j++, q++) {\n            drawTriangle(\n              data,\n              context,\n              ps[q],\n              ps[q + 1],\n              ps[q + verticesPerRow],\n              cs[q],\n              cs[q + 1],\n              cs[q + verticesPerRow]\n            );\n            drawTriangle(\n              data,\n              context,\n              ps[q + verticesPerRow + 1],\n              ps[q + 1],\n              ps[q + verticesPerRow],\n              cs[q + verticesPerRow + 1],\n              cs[q + 1],\n              cs[q + verticesPerRow]\n            );\n          }\n        }\n        break;\n      case \"triangles\":\n        for (i = 0, ii = ps.length; i < ii; i += 3) {\n          drawTriangle(\n            data,\n            context,\n            ps[i],\n            ps[i + 1],\n            ps[i + 2],\n            cs[i],\n            cs[i + 1],\n            cs[i + 2]\n          );\n        }\n        break;\n      default:\n        throw new Error(\"illegal figure\");\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function createMeshCanvas(\n    bounds,\n    combinesScale,\n    coords,\n    colors,\n    figures,\n    backgroundColor,\n    cachedCanvases,\n    webGLContext\n  ) {\n    // we will increase scale on some weird factor to let antialiasing take\n    // care of \"rough\" edges\n    var EXPECTED_SCALE = 1.1;\n    // MAX_PATTERN_SIZE is used to avoid OOM situation.\n    var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n    // We need to keep transparent border around our pattern for fill():\n    // createPattern with 'no-repeat' will bleed edges across entire area.\n    var BORDER_SIZE = 2;\n\n    var offsetX = Math.floor(bounds[0]);\n    var offsetY = Math.floor(bounds[1]);\n    var boundsWidth = Math.ceil(bounds[2]) - offsetX;\n    var boundsHeight = Math.ceil(bounds[3]) - offsetY;\n\n    var width = Math.min(\n      Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)),\n      MAX_PATTERN_SIZE\n    );\n    var height = Math.min(\n      Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)),\n      MAX_PATTERN_SIZE\n    );\n    var scaleX = boundsWidth / width;\n    var scaleY = boundsHeight / height;\n\n    var context = {\n      coords,\n      colors,\n      offsetX: -offsetX,\n      offsetY: -offsetY,\n      scaleX: 1 / scaleX,\n      scaleY: 1 / scaleY,\n    };\n\n    var paddedWidth = width + BORDER_SIZE * 2;\n    var paddedHeight = height + BORDER_SIZE * 2;\n\n    var canvas, tmpCanvas, i, ii;\n    if (webGLContext.isEnabled) {\n      canvas = webGLContext.drawFigures({\n        width,\n        height,\n        backgroundColor,\n        figures,\n        context,\n      });\n      // https://bugzilla.mozilla.org/show_bug.cgi?id=972126\n      tmpCanvas = cachedCanvases.getCanvas(\n        \"mesh\",\n        paddedWidth,\n        paddedHeight,\n        false\n      );\n      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);\n      canvas = tmpCanvas.canvas;\n    } else {\n      tmpCanvas = cachedCanvases.getCanvas(\n        \"mesh\",\n        paddedWidth,\n        paddedHeight,\n        false\n      );\n      var tmpCtx = tmpCanvas.context;\n\n      var data = tmpCtx.createImageData(width, height);\n      if (backgroundColor) {\n        var bytes = data.data;\n        for (i = 0, ii = bytes.length; i < ii; i += 4) {\n          bytes[i] = backgroundColor[0];\n          bytes[i + 1] = backgroundColor[1];\n          bytes[i + 2] = backgroundColor[2];\n          bytes[i + 3] = 255;\n        }\n      }\n      for (i = 0; i < figures.length; i++) {\n        drawFigure(data, figures[i], context);\n      }\n      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);\n      canvas = tmpCanvas.canvas;\n    }\n\n    return {\n      canvas,\n      offsetX: offsetX - BORDER_SIZE * scaleX,\n      offsetY: offsetY - BORDER_SIZE * scaleY,\n      scaleX,\n      scaleY,\n    };\n  }\n  return createMeshCanvas;\n})();\n\nShadingIRs.Mesh = {\n  fromIR: function Mesh_fromIR(raw) {\n    // var type = raw[1];\n    var coords = raw[2];\n    var colors = raw[3];\n    var figures = raw[4];\n    var bounds = raw[5];\n    var matrix = raw[6];\n    var bbox = raw[7];\n    var background = raw[8];\n    return {\n      type: \"Pattern\",\n      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {\n        applyBoundingBox(ctx, bbox);\n        var scale;\n        if (shadingFill) {\n          scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);\n        } else {\n          // Obtain scale from matrix and current transformation matrix.\n          scale = Util.singularValueDecompose2dScale(owner.baseTransform);\n          if (matrix) {\n            var matrixScale = Util.singularValueDecompose2dScale(matrix);\n            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];\n          }\n        }\n\n        // Rasterizing on the main thread since sending/queue large canvases\n        // might cause OOM.\n        var temporaryPatternCanvas = createMeshCanvas(\n          bounds,\n          scale,\n          coords,\n          colors,\n          figures,\n          shadingFill ? null : background,\n          owner.cachedCanvases,\n          owner.webGLContext\n        );\n\n        if (!shadingFill) {\n          ctx.setTransform.apply(ctx, owner.baseTransform);\n          if (matrix) {\n            ctx.transform.apply(ctx, matrix);\n          }\n        }\n\n        ctx.translate(\n          temporaryPatternCanvas.offsetX,\n          temporaryPatternCanvas.offsetY\n        );\n        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);\n\n        return ctx.createPattern(temporaryPatternCanvas.canvas, \"no-repeat\");\n      },\n    };\n  },\n};\n\nShadingIRs.Dummy = {\n  fromIR: function Dummy_fromIR() {\n    return {\n      type: \"Pattern\",\n      getPattern: function Dummy_fromIR_getPattern() {\n        return \"hotpink\";\n      },\n    };\n  },\n};\n\nfunction getShadingPatternFromIR(raw) {\n  var shadingIR = ShadingIRs[raw[0]];\n  if (!shadingIR) {\n    throw new Error(`Unknown IR type: ${raw[0]}`);\n  }\n  return shadingIR.fromIR(raw);\n}\n\n/**\n * @type {any}\n */\nvar TilingPattern = (function TilingPatternClosure() {\n  var PaintType = {\n    COLORED: 1,\n    UNCOLORED: 2,\n  };\n\n  var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n\n  // eslint-disable-next-line no-shadow\n  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {\n    this.operatorList = IR[2];\n    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];\n    this.bbox = IR[4];\n    this.xstep = IR[5];\n    this.ystep = IR[6];\n    this.paintType = IR[7];\n    this.tilingType = IR[8];\n    this.color = color;\n    this.canvasGraphicsFactory = canvasGraphicsFactory;\n    this.baseTransform = baseTransform;\n    this.type = \"Pattern\";\n    this.ctx = ctx;\n  }\n\n  TilingPattern.prototype = {\n    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {\n      var operatorList = this.operatorList;\n      var bbox = this.bbox;\n      var xstep = this.xstep;\n      var ystep = this.ystep;\n      var paintType = this.paintType;\n      var tilingType = this.tilingType;\n      var color = this.color;\n      var canvasGraphicsFactory = this.canvasGraphicsFactory;\n\n      info(\"TilingType: \" + tilingType);\n\n      // A tiling pattern as defined by PDF spec 8.7.2 is a cell whose size is\n      // described by bbox, and may repeat regularly by shifting the cell by\n      // xstep and ystep.\n      // Because the HTML5 canvas API does not support pattern repetition with\n      // gaps in between, we use the xstep/ystep instead of the bbox's size.\n      //\n      // This has the following consequences (similarly for ystep):\n      //\n      // - If xstep is the same as bbox, then there is no observable difference.\n      //\n      // - If xstep is larger than bbox, then the pattern canvas is partially\n      //   empty: the area bounded by bbox is painted, the outside area is void.\n      //\n      // - If xstep is smaller than bbox, then the pixels between xstep and the\n      //   bbox boundary will be missing. This is INCORRECT behavior.\n      //   \"Figures on adjacent tiles should not overlap\" (PDF spec 8.7.3.1),\n      //   but overlapping cells without common pixels are still valid.\n      //   TODO: Fix the implementation, to allow this scenario to be painted\n      //   correctly.\n\n      var x0 = bbox[0],\n        y0 = bbox[1],\n        x1 = bbox[2],\n        y1 = bbox[3];\n\n      // Obtain scale from matrix and current transformation matrix.\n      var matrixScale = Util.singularValueDecompose2dScale(this.matrix);\n      var curMatrixScale = Util.singularValueDecompose2dScale(\n        this.baseTransform\n      );\n      var combinedScale = [\n        matrixScale[0] * curMatrixScale[0],\n        matrixScale[1] * curMatrixScale[1],\n      ];\n\n      // Use width and height values that are as close as possible to the end\n      // result when the pattern is used. Too low value makes the pattern look\n      // blurry. Too large value makes it look too crispy.\n      var dimx = this.getSizeAndScale(\n        xstep,\n        this.ctx.canvas.width,\n        combinedScale[0]\n      );\n      var dimy = this.getSizeAndScale(\n        ystep,\n        this.ctx.canvas.height,\n        combinedScale[1]\n      );\n\n      var tmpCanvas = owner.cachedCanvases.getCanvas(\n        \"pattern\",\n        dimx.size,\n        dimy.size,\n        true\n      );\n      var tmpCtx = tmpCanvas.context;\n      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);\n      graphics.groupLevel = owner.groupLevel;\n\n      this.setFillAndStrokeStyleToContext(graphics, paintType, color);\n\n      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);\n\n      // transform coordinates to pattern space\n      graphics.transform(1, 0, 0, 1, -x0, -y0);\n\n      this.clipBbox(graphics, bbox, x0, y0, x1, y1);\n\n      graphics.executeOperatorList(operatorList);\n\n      this.ctx.transform(1, 0, 0, 1, x0, y0);\n\n      // Rescale canvas so that the ctx.createPattern call generates a pattern\n      // with the desired size.\n      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);\n      return tmpCanvas.canvas;\n    },\n\n    getSizeAndScale: function TilingPattern_getSizeAndScale(\n      step,\n      realOutputSize,\n      scale\n    ) {\n      // xstep / ystep may be negative -- normalize.\n      step = Math.abs(step);\n      // MAX_PATTERN_SIZE is used to avoid OOM situation.\n      // Use the destination canvas's size if it is bigger than the hard-coded\n      // limit of MAX_PATTERN_SIZE to avoid clipping patterns that cover the\n      // whole canvas.\n      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);\n      var size = Math.ceil(step * scale);\n      if (size >= maxSize) {\n        size = maxSize;\n      } else {\n        scale = size / step;\n      }\n      return { scale, size };\n    },\n\n    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {\n      if (Array.isArray(bbox) && bbox.length === 4) {\n        var bboxWidth = x1 - x0;\n        var bboxHeight = y1 - y0;\n        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);\n        graphics.clip();\n        graphics.endPath();\n      }\n    },\n\n    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(\n      graphics,\n      paintType,\n      color\n    ) {\n      const context = graphics.ctx,\n        current = graphics.current;\n      switch (paintType) {\n        case PaintType.COLORED:\n          var ctx = this.ctx;\n          context.fillStyle = ctx.fillStyle;\n          context.strokeStyle = ctx.strokeStyle;\n          current.fillColor = ctx.fillStyle;\n          current.strokeColor = ctx.strokeStyle;\n          break;\n        case PaintType.UNCOLORED:\n          var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);\n          context.fillStyle = cssColor;\n          context.strokeStyle = cssColor;\n          // Set color needed by image masks (fixes issues 3226 and 8741).\n          current.fillColor = cssColor;\n          current.strokeColor = cssColor;\n          break;\n        default:\n          throw new FormatError(`Unsupported paint type: ${paintType}`);\n      }\n    },\n\n    getPattern: function TilingPattern_getPattern(ctx, owner) {\n      ctx = this.ctx;\n      // PDF spec 8.7.2 NOTE 1: pattern's matrix is relative to initial matrix.\n      ctx.setTransform.apply(ctx, this.baseTransform);\n      ctx.transform.apply(ctx, this.matrix);\n\n      var temporaryPatternCanvas = this.createPatternCanvas(owner);\n\n      return ctx.createPattern(temporaryPatternCanvas, \"repeat\");\n    },\n  };\n\n  return TilingPattern;\n})();\n\nexport { getShadingPatternFromIR, TilingPattern };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @typedef {Object} GlobalWorkerOptionsType\n * @property {Worker | null} workerPort - Defines global port for worker\n *   process. Overrides the `workerSrc` option.\n * @property {string} workerSrc - A string containing the path and filename\n *   of the worker file.\n *\n *   NOTE: The `workerSrc` option should always be set, in order to prevent any\n *         issues when using the PDF.js library.\n */\n\n/** @type {GlobalWorkerOptionsType} */\nconst GlobalWorkerOptions = Object.create(null);\n\nGlobalWorkerOptions.workerPort =\n  GlobalWorkerOptions.workerPort === undefined\n    ? null\n    : GlobalWorkerOptions.workerPort;\n\nGlobalWorkerOptions.workerSrc =\n  GlobalWorkerOptions.workerSrc === undefined\n    ? \"\"\n    : GlobalWorkerOptions.workerSrc;\n\nexport { GlobalWorkerOptions };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error, prefer-const: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n  UnexpectedResponseException,\n  UnknownErrorException,\n} from \"./util.js\";\n\nconst CallbackKind = {\n  UNKNOWN: 0,\n  DATA: 1,\n  ERROR: 2,\n};\n\nconst StreamKind = {\n  UNKNOWN: 0,\n  CANCEL: 1,\n  CANCEL_COMPLETE: 2,\n  CLOSE: 3,\n  ENQUEUE: 4,\n  ERROR: 5,\n  PULL: 6,\n  PULL_COMPLETE: 7,\n  START_COMPLETE: 8,\n};\n\nfunction wrapReason(reason) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'wrapReason: Expected \"reason\" to be a (possibly cloned) Error.'\n    );\n  } else {\n    if (typeof reason !== \"object\" || reason === null) {\n      return reason;\n    }\n  }\n  switch (reason.name) {\n    case \"AbortException\":\n      return new AbortException(reason.message);\n    case \"MissingPDFException\":\n      return new MissingPDFException(reason.message);\n    case \"UnexpectedResponseException\":\n      return new UnexpectedResponseException(reason.message, reason.status);\n    case \"UnknownErrorException\":\n      return new UnknownErrorException(reason.message, reason.details);\n    default:\n      return new UnknownErrorException(reason.message, reason.toString());\n  }\n}\n\nclass MessageHandler {\n  constructor(sourceName, targetName, comObj) {\n    this.sourceName = sourceName;\n    this.targetName = targetName;\n    this.comObj = comObj;\n    this.callbackId = 1;\n    this.streamId = 1;\n    this.postMessageTransfers = true;\n    this.streamSinks = Object.create(null);\n    this.streamControllers = Object.create(null);\n    this.callbackCapabilities = Object.create(null);\n    this.actionHandler = Object.create(null);\n\n    this._onComObjOnMessage = event => {\n      const data = event.data;\n      if (data.targetName !== this.sourceName) {\n        return;\n      }\n      if (data.stream) {\n        this._processStreamMessage(data);\n        return;\n      }\n      if (data.callback) {\n        const callbackId = data.callbackId;\n        const capability = this.callbackCapabilities[callbackId];\n        if (!capability) {\n          throw new Error(`Cannot resolve callback ${callbackId}`);\n        }\n        delete this.callbackCapabilities[callbackId];\n\n        if (data.callback === CallbackKind.DATA) {\n          capability.resolve(data.data);\n        } else if (data.callback === CallbackKind.ERROR) {\n          capability.reject(wrapReason(data.reason));\n        } else {\n          throw new Error(\"Unexpected callback case\");\n        }\n        return;\n      }\n      const action = this.actionHandler[data.action];\n      if (!action) {\n        throw new Error(`Unknown action from worker: ${data.action}`);\n      }\n      if (data.callbackId) {\n        const cbSourceName = this.sourceName;\n        const cbTargetName = data.sourceName;\n        new Promise(function (resolve) {\n          resolve(action(data.data));\n        }).then(\n          function (result) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.DATA,\n              callbackId: data.callbackId,\n              data: result,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.ERROR,\n              callbackId: data.callbackId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        return;\n      }\n      if (data.streamId) {\n        this._createStreamSink(data);\n        return;\n      }\n      action(data.data);\n    };\n    comObj.addEventListener(\"message\", this._onComObjOnMessage);\n  }\n\n  on(actionName, handler) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        typeof handler === \"function\",\n        'MessageHandler.on: Expected \"handler\" to be a function.'\n      );\n    }\n    const ah = this.actionHandler;\n    if (ah[actionName]) {\n      throw new Error(`There is already an actionName called \"${actionName}\"`);\n    }\n    ah[actionName] = handler;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   */\n  send(actionName, data, transfers) {\n    this._postMessage(\n      {\n        sourceName: this.sourceName,\n        targetName: this.targetName,\n        action: actionName,\n        data,\n      },\n      transfers\n    );\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expects that the other side will callback with the response.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {Promise} Promise to be resolved with response data.\n   */\n  sendWithPromise(actionName, data, transfers) {\n    const callbackId = this.callbackId++;\n    const capability = createPromiseCapability();\n    this.callbackCapabilities[callbackId] = capability;\n    try {\n      this._postMessage(\n        {\n          sourceName: this.sourceName,\n          targetName: this.targetName,\n          action: actionName,\n          callbackId,\n          data,\n        },\n        transfers\n      );\n    } catch (ex) {\n      capability.reject(ex);\n    }\n    return capability.promise;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expect that the other side will callback to signal 'start_complete'.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Object} queueingStrategy - Strategy to signal backpressure based on\n   *                 internal queue.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {ReadableStream} ReadableStream to read data in chunks.\n   */\n  sendWithStream(actionName, data, queueingStrategy, transfers) {\n    const streamId = this.streamId++;\n    const sourceName = this.sourceName;\n    const targetName = this.targetName;\n    const comObj = this.comObj;\n\n    return new ReadableStream(\n      {\n        start: controller => {\n          const startCapability = createPromiseCapability();\n          this.streamControllers[streamId] = {\n            controller,\n            startCall: startCapability,\n            pullCall: null,\n            cancelCall: null,\n            isClosed: false,\n          };\n          this._postMessage(\n            {\n              sourceName,\n              targetName,\n              action: actionName,\n              streamId,\n              data,\n              desiredSize: controller.desiredSize,\n            },\n            transfers\n          );\n          // Return Promise for Async process, to signal success/failure.\n          return startCapability.promise;\n        },\n\n        pull: controller => {\n          const pullCapability = createPromiseCapability();\n          this.streamControllers[streamId].pullCall = pullCapability;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL,\n            streamId,\n            desiredSize: controller.desiredSize,\n          });\n          // Returning Promise will not call \"pull\"\n          // again until current pull is resolved.\n          return pullCapability.promise;\n        },\n\n        cancel: reason => {\n          assert(reason instanceof Error, \"cancel must have a valid reason\");\n          const cancelCapability = createPromiseCapability();\n          this.streamControllers[streamId].cancelCall = cancelCapability;\n          this.streamControllers[streamId].isClosed = true;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.CANCEL,\n            streamId,\n            reason: wrapReason(reason),\n          });\n          // Return Promise to signal success or failure.\n          return cancelCapability.promise;\n        },\n      },\n      queueingStrategy\n    );\n  }\n\n  /**\n   * @private\n   */\n  _createStreamSink(data) {\n    const self = this;\n    const action = this.actionHandler[data.action];\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    const streamSink = {\n      enqueue(chunk, size = 1, transfers) {\n        if (this.isCancelled) {\n          return;\n        }\n        const lastDesiredSize = this.desiredSize;\n        this.desiredSize -= size;\n        // Enqueue decreases the desiredSize property of sink,\n        // so when it changes from positive to negative,\n        // set ready as unresolved promise.\n        if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n          this.sinkCapability = createPromiseCapability();\n          this.ready = this.sinkCapability.promise;\n        }\n        self._postMessage(\n          {\n            sourceName,\n            targetName,\n            stream: StreamKind.ENQUEUE,\n            streamId,\n            chunk,\n          },\n          transfers\n        );\n      },\n\n      close() {\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.CLOSE,\n          streamId,\n        });\n        delete self.streamSinks[streamId];\n      },\n\n      error(reason) {\n        assert(reason instanceof Error, \"error must have a valid reason\");\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.ERROR,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      },\n\n      sinkCapability: createPromiseCapability(),\n      onPull: null,\n      onCancel: null,\n      isCancelled: false,\n      desiredSize: data.desiredSize,\n      ready: null,\n    };\n\n    streamSink.sinkCapability.resolve();\n    streamSink.ready = streamSink.sinkCapability.promise;\n    this.streamSinks[streamId] = streamSink;\n    new Promise(function (resolve) {\n      resolve(action(data.data, streamSink));\n    }).then(\n      function () {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          success: true,\n        });\n      },\n      function (reason) {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      }\n    );\n  }\n\n  /**\n   * @private\n   */\n  _processStreamMessage(data) {\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    switch (data.stream) {\n      case StreamKind.START_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].startCall.resolve();\n        } else {\n          this.streamControllers[streamId].startCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].pullCall.resolve();\n        } else {\n          this.streamControllers[streamId].pullCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL:\n        // Ignore any pull after close is called.\n        if (!this.streamSinks[streamId]) {\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL_COMPLETE,\n            streamId,\n            success: true,\n          });\n          break;\n        }\n        // Pull increases the desiredSize property of sink,\n        // so when it changes from negative to positive,\n        // set ready property as resolved promise.\n        if (\n          this.streamSinks[streamId].desiredSize <= 0 &&\n          data.desiredSize > 0\n        ) {\n          this.streamSinks[streamId].sinkCapability.resolve();\n        }\n        // Reset desiredSize property of sink on every pull.\n        this.streamSinks[streamId].desiredSize = data.desiredSize;\n        const { onPull } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onPull && onPull());\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        break;\n      case StreamKind.ENQUEUE:\n        assert(\n          this.streamControllers[streamId],\n          \"enqueue should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].controller.enqueue(data.chunk);\n        break;\n      case StreamKind.CLOSE:\n        assert(\n          this.streamControllers[streamId],\n          \"close should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].isClosed = true;\n        this.streamControllers[streamId].controller.close();\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.ERROR:\n        assert(\n          this.streamControllers[streamId],\n          \"error should have stream controller\"\n        );\n        this.streamControllers[streamId].controller.error(\n          wrapReason(data.reason)\n        );\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].cancelCall.resolve();\n        } else {\n          this.streamControllers[streamId].cancelCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL:\n        if (!this.streamSinks[streamId]) {\n          break;\n        }\n        const { onCancel } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onCancel && onCancel(wrapReason(data.reason)));\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        this.streamSinks[streamId].sinkCapability.reject(\n          wrapReason(data.reason)\n        );\n        this.streamSinks[streamId].isCancelled = true;\n        delete this.streamSinks[streamId];\n        break;\n      default:\n        throw new Error(\"Unexpected stream case\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _deleteStreamController(streamId) {\n    // Delete the `streamController` only when the start, pull, and cancel\n    // capabilities have settled, to prevent `TypeError`s.\n    await Promise.allSettled(\n      [\n        this.streamControllers[streamId].startCall,\n        this.streamControllers[streamId].pullCall,\n        this.streamControllers[streamId].cancelCall,\n      ].map(function (capability) {\n        return capability && capability.promise;\n      })\n    );\n    delete this.streamControllers[streamId];\n  }\n\n  /**\n   * Sends raw message to the comObj.\n   * @param {Object} message - Raw message.\n   * @param transfers List of transfers/ArrayBuffers, or undefined.\n   * @private\n   */\n  _postMessage(message, transfers) {\n    if (transfers && this.postMessageTransfers) {\n      this.comObj.postMessage(message, transfers);\n    } else {\n      this.comObj.postMessage(message);\n    }\n  }\n\n  destroy() {\n    this.comObj.removeEventListener(\"message\", this._onComObjOnMessage);\n  }\n}\n\nexport { MessageHandler };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert } from \"../shared/util.js\";\nimport { SimpleXMLParser } from \"./xml_parser.js\";\n\nclass Metadata {\n  constructor(data) {\n    assert(typeof data === \"string\", \"Metadata: input is not a string\");\n\n    // Ghostscript may produce invalid metadata, so try to repair that first.\n    data = this._repair(data);\n\n    // Convert the string to an XML document.\n    const parser = new SimpleXMLParser();\n    const xmlDocument = parser.parseFromString(data);\n\n    this._metadataMap = new Map();\n\n    if (xmlDocument) {\n      this._parse(xmlDocument);\n    }\n  }\n\n  _repair(data) {\n    // Start by removing any \"junk\" before the first tag (see issue 10395).\n    return data\n      .replace(/^[^<]+/, \"\")\n      .replace(/>\\\\376\\\\377([^<]+)/g, function (all, codes) {\n        const bytes = codes\n          .replace(/\\\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {\n            return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);\n          })\n          .replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {\n            switch (name) {\n              case \"amp\":\n                return \"&\";\n              case \"apos\":\n                return \"'\";\n              case \"gt\":\n                return \">\";\n              case \"lt\":\n                return \"<\";\n              case \"quot\":\n                return '\"';\n            }\n            throw new Error(`_repair: ${name} isn't defined.`);\n          });\n\n        let chars = \"\";\n        for (let i = 0, ii = bytes.length; i < ii; i += 2) {\n          const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);\n          if (\n            code >= /* Space = */ 32 &&\n            code < /* Delete = */ 127 &&\n            code !== /* '<' = */ 60 &&\n            code !== /* '>' = */ 62 &&\n            code !== /* '&' = */ 38\n          ) {\n            chars += String.fromCharCode(code);\n          } else {\n            chars += \"&#x\" + (0x10000 + code).toString(16).substring(1) + \";\";\n          }\n        }\n\n        return \">\" + chars;\n      });\n  }\n\n  _parse(xmlDocument) {\n    let rdf = xmlDocument.documentElement;\n\n    if (rdf.nodeName.toLowerCase() !== \"rdf:rdf\") {\n      // Wrapped in <xmpmeta>\n      rdf = rdf.firstChild;\n      while (rdf && rdf.nodeName.toLowerCase() !== \"rdf:rdf\") {\n        rdf = rdf.nextSibling;\n      }\n    }\n\n    const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;\n    if (!rdf || nodeName !== \"rdf:rdf\" || !rdf.hasChildNodes()) {\n      return;\n    }\n\n    const children = rdf.childNodes;\n    for (let i = 0, ii = children.length; i < ii; i++) {\n      const desc = children[i];\n      if (desc.nodeName.toLowerCase() !== \"rdf:description\") {\n        continue;\n      }\n\n      for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {\n        if (desc.childNodes[j].nodeName.toLowerCase() !== \"#text\") {\n          const entry = desc.childNodes[j];\n          const name = entry.nodeName.toLowerCase();\n\n          this._metadataMap.set(name, entry.textContent.trim());\n        }\n      }\n    }\n  }\n\n  get(name) {\n    return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;\n  }\n\n  getAll() {\n    return Object.fromEntries(this._metadataMap);\n  }\n\n  has(name) {\n    return this._metadataMap.has(name);\n  }\n}\n\nexport { Metadata };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// The code for XMLParserBase copied from\n// https://github.com/mozilla/shumway/blob/16451d8836fa85f4b16eeda8b4bda2fa9e2b22b0/src/avm2/natives/xml.ts\n\nconst XMLParserErrorCode = {\n  NoError: 0,\n  EndOfDocument: -1,\n  UnterminatedCdat: -2,\n  UnterminatedXmlDeclaration: -3,\n  UnterminatedDoctypeDeclaration: -4,\n  UnterminatedComment: -5,\n  MalformedElement: -6,\n  OutOfMemory: -7,\n  UnterminatedAttributeValue: -8,\n  UnterminatedElement: -9,\n  ElementNeverBegun: -10,\n};\n\nfunction isWhitespace(s, index) {\n  const ch = s[index];\n  return ch === \" \" || ch === \"\\n\" || ch === \"\\r\" || ch === \"\\t\";\n}\n\nfunction isWhitespaceString(s) {\n  for (let i = 0, ii = s.length; i < ii; i++) {\n    if (!isWhitespace(s, i)) {\n      return false;\n    }\n  }\n  return true;\n}\n\nclass XMLParserBase {\n  _resolveEntities(s) {\n    return s.replace(/&([^;]+);/g, (all, entity) => {\n      if (entity.substring(0, 2) === \"#x\") {\n        return String.fromCharCode(parseInt(entity.substring(2), 16));\n      } else if (entity.substring(0, 1) === \"#\") {\n        return String.fromCharCode(parseInt(entity.substring(1), 10));\n      }\n      switch (entity) {\n        case \"lt\":\n          return \"<\";\n        case \"gt\":\n          return \">\";\n        case \"amp\":\n          return \"&\";\n        case \"quot\":\n          return '\"';\n      }\n      return this.onResolveEntity(entity);\n    });\n  }\n\n  _parseContent(s, start) {\n    const attributes = [];\n    let pos = start;\n\n    function skipWs() {\n      while (pos < s.length && isWhitespace(s, pos)) {\n        ++pos;\n      }\n    }\n\n    while (\n      pos < s.length &&\n      !isWhitespace(s, pos) &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\"\n    ) {\n      ++pos;\n    }\n    const name = s.substring(start, pos);\n    skipWs();\n    while (\n      pos < s.length &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\" &&\n      s[pos] !== \"?\"\n    ) {\n      skipWs();\n      let attrName = \"\",\n        attrValue = \"\";\n      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== \"=\") {\n        attrName += s[pos];\n        ++pos;\n      }\n      skipWs();\n      if (s[pos] !== \"=\") {\n        return null;\n      }\n      ++pos;\n      skipWs();\n      const attrEndChar = s[pos];\n      if (attrEndChar !== '\"' && attrEndChar !== \"'\") {\n        return null;\n      }\n      const attrEndIndex = s.indexOf(attrEndChar, ++pos);\n      if (attrEndIndex < 0) {\n        return null;\n      }\n      attrValue = s.substring(pos, attrEndIndex);\n      attributes.push({\n        name: attrName,\n        value: this._resolveEntities(attrValue),\n      });\n      pos = attrEndIndex + 1;\n      skipWs();\n    }\n    return {\n      name,\n      attributes,\n      parsed: pos - start,\n    };\n  }\n\n  _parseProcessingInstruction(s, start) {\n    let pos = start;\n\n    function skipWs() {\n      while (pos < s.length && isWhitespace(s, pos)) {\n        ++pos;\n      }\n    }\n\n    while (\n      pos < s.length &&\n      !isWhitespace(s, pos) &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\"\n    ) {\n      ++pos;\n    }\n    const name = s.substring(start, pos);\n    skipWs();\n    const attrStart = pos;\n    while (pos < s.length && (s[pos] !== \"?\" || s[pos + 1] !== \">\")) {\n      ++pos;\n    }\n    const value = s.substring(attrStart, pos);\n    return {\n      name,\n      value,\n      parsed: pos - start,\n    };\n  }\n\n  parseXml(s) {\n    let i = 0;\n    while (i < s.length) {\n      const ch = s[i];\n      let j = i;\n      if (ch === \"<\") {\n        ++j;\n        const ch2 = s[j];\n        let q;\n        switch (ch2) {\n          case \"/\":\n            ++j;\n            q = s.indexOf(\">\", j);\n            if (q < 0) {\n              this.onError(XMLParserErrorCode.UnterminatedElement);\n              return;\n            }\n            this.onEndElement(s.substring(j, q));\n            j = q + 1;\n            break;\n          case \"?\":\n            ++j;\n            const pi = this._parseProcessingInstruction(s, j);\n            if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== \"?>\") {\n              this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);\n              return;\n            }\n            this.onPi(pi.name, pi.value);\n            j += pi.parsed + 2;\n            break;\n          case \"!\":\n            if (s.substring(j + 1, j + 3) === \"--\") {\n              q = s.indexOf(\"-->\", j + 3);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedComment);\n                return;\n              }\n              this.onComment(s.substring(j + 3, q));\n              j = q + 3;\n            } else if (s.substring(j + 1, j + 8) === \"[CDATA[\") {\n              q = s.indexOf(\"]]>\", j + 8);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedCdat);\n                return;\n              }\n              this.onCdata(s.substring(j + 8, q));\n              j = q + 3;\n            } else if (s.substring(j + 1, j + 8) === \"DOCTYPE\") {\n              const q2 = s.indexOf(\"[\", j + 8);\n              let complexDoctype = false;\n              q = s.indexOf(\">\", j + 8);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);\n                return;\n              }\n              if (q2 > 0 && q > q2) {\n                q = s.indexOf(\"]>\", j + 8);\n                if (q < 0) {\n                  this.onError(\n                    XMLParserErrorCode.UnterminatedDoctypeDeclaration\n                  );\n                  return;\n                }\n                complexDoctype = true;\n              }\n              const doctypeContent = s.substring(\n                j + 8,\n                q + (complexDoctype ? 1 : 0)\n              );\n              this.onDoctype(doctypeContent);\n              j = q + (complexDoctype ? 2 : 1);\n            } else {\n              this.onError(XMLParserErrorCode.MalformedElement);\n              return;\n            }\n            break;\n          default:\n            const content = this._parseContent(s, j);\n            if (content === null) {\n              this.onError(XMLParserErrorCode.MalformedElement);\n              return;\n            }\n            let isClosed = false;\n            if (\n              s.substring(j + content.parsed, j + content.parsed + 2) === \"/>\"\n            ) {\n              isClosed = true;\n            } else if (\n              s.substring(j + content.parsed, j + content.parsed + 1) !== \">\"\n            ) {\n              this.onError(XMLParserErrorCode.UnterminatedElement);\n              return;\n            }\n            this.onBeginElement(content.name, content.attributes, isClosed);\n            j += content.parsed + (isClosed ? 2 : 1);\n            break;\n        }\n      } else {\n        while (j < s.length && s[j] !== \"<\") {\n          j++;\n        }\n        const text = s.substring(i, j);\n        this.onText(this._resolveEntities(text));\n      }\n      i = j;\n    }\n  }\n\n  onResolveEntity(name) {\n    return `&${name};`;\n  }\n\n  onPi(name, value) {}\n\n  onComment(text) {}\n\n  onCdata(text) {}\n\n  onDoctype(doctypeContent) {}\n\n  onText(text) {}\n\n  onBeginElement(name, attributes, isEmpty) {}\n\n  onEndElement(name) {}\n\n  onError(code) {}\n}\n\nclass SimpleDOMNode {\n  constructor(nodeName, nodeValue) {\n    this.nodeName = nodeName;\n    this.nodeValue = nodeValue;\n\n    Object.defineProperty(this, \"parentNode\", { value: null, writable: true });\n  }\n\n  get firstChild() {\n    return this.childNodes && this.childNodes[0];\n  }\n\n  get nextSibling() {\n    const childNodes = this.parentNode.childNodes;\n    if (!childNodes) {\n      return undefined;\n    }\n    const index = childNodes.indexOf(this);\n    if (index === -1) {\n      return undefined;\n    }\n    return childNodes[index + 1];\n  }\n\n  get textContent() {\n    if (!this.childNodes) {\n      return this.nodeValue || \"\";\n    }\n    return this.childNodes\n      .map(function (child) {\n        return child.textContent;\n      })\n      .join(\"\");\n  }\n\n  hasChildNodes() {\n    return this.childNodes && this.childNodes.length > 0;\n  }\n}\n\nclass SimpleXMLParser extends XMLParserBase {\n  constructor() {\n    super();\n    this._currentFragment = null;\n    this._stack = null;\n    this._errorCode = XMLParserErrorCode.NoError;\n  }\n\n  parseFromString(data) {\n    this._currentFragment = [];\n    this._stack = [];\n    this._errorCode = XMLParserErrorCode.NoError;\n\n    this.parseXml(data);\n\n    if (this._errorCode !== XMLParserErrorCode.NoError) {\n      return undefined; // return undefined on error\n    }\n\n    // We should only have one root.\n    const [documentElement] = this._currentFragment;\n    if (!documentElement) {\n      return undefined; // Return undefined if no root was found.\n    }\n    return { documentElement };\n  }\n\n  onResolveEntity(name) {\n    switch (name) {\n      case \"apos\":\n        return \"'\";\n    }\n    return super.onResolveEntity(name);\n  }\n\n  onText(text) {\n    if (isWhitespaceString(text)) {\n      return;\n    }\n    const node = new SimpleDOMNode(\"#text\", text);\n    this._currentFragment.push(node);\n  }\n\n  onCdata(text) {\n    const node = new SimpleDOMNode(\"#text\", text);\n    this._currentFragment.push(node);\n  }\n\n  onBeginElement(name, attributes, isEmpty) {\n    const node = new SimpleDOMNode(name);\n    node.childNodes = [];\n    this._currentFragment.push(node);\n    if (isEmpty) {\n      return;\n    }\n    this._stack.push(this._currentFragment);\n    this._currentFragment = node.childNodes;\n  }\n\n  onEndElement(name) {\n    this._currentFragment = this._stack.pop() || [];\n    const lastElement = this._currentFragment[this._currentFragment.length - 1];\n    if (!lastElement) {\n      return;\n    }\n    for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {\n      lastElement.childNodes[i].parentNode = lastElement;\n    }\n  }\n\n  onError(code) {\n    this._errorCode = code;\n  }\n}\n\nexport { SimpleXMLParser };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { warn } from \"../shared/util.js\";\n\nclass OptionalContentGroup {\n  constructor(name, intent) {\n    this.visible = true;\n    this.name = name;\n    this.intent = intent;\n  }\n}\n\nclass OptionalContentConfig {\n  constructor(data) {\n    this.name = null;\n    this.creator = null;\n    this._order = null;\n    this._groups = new Map();\n\n    if (data === null) {\n      return;\n    }\n    this.name = data.name;\n    this.creator = data.creator;\n    this._order = data.order;\n    for (const group of data.groups) {\n      this._groups.set(\n        group.id,\n        new OptionalContentGroup(group.name, group.intent)\n      );\n    }\n\n    if (data.baseState === \"OFF\") {\n      for (const group of this._groups) {\n        group.visible = false;\n      }\n    }\n\n    for (const on of data.on) {\n      this._groups.get(on).visible = true;\n    }\n\n    for (const off of data.off) {\n      this._groups.get(off).visible = false;\n    }\n  }\n\n  isVisible(group) {\n    if (group.type === \"OCG\") {\n      if (!this._groups.has(group.id)) {\n        warn(`Optional content group not found: ${group.id}`);\n        return true;\n      }\n      return this._groups.get(group.id).visible;\n    } else if (group.type === \"OCMD\") {\n      // Per the spec, the expression should be preferred if available. Until\n      // we implement this, just fallback to using the group policy for now.\n      if (group.expression) {\n        warn(\"Visibility expression not supported yet.\");\n      }\n      if (!group.policy || group.policy === \"AnyOn\") {\n        // Default\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (this._groups.get(id).visible) {\n            return true;\n          }\n        }\n        return false;\n      } else if (group.policy === \"AllOn\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (!this._groups.get(id).visible) {\n            return false;\n          }\n        }\n        return true;\n      } else if (group.policy === \"AnyOff\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (!this._groups.get(id).visible) {\n            return true;\n          }\n        }\n        return false;\n      } else if (group.policy === \"AllOff\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (this._groups.get(id).visible) {\n            return false;\n          }\n        }\n        return true;\n      }\n      warn(`Unknown optional content policy ${group.policy}.`);\n      return true;\n    }\n    warn(`Unknown group type ${group.type}.`);\n    return true;\n  }\n\n  setVisibility(id, visible = true) {\n    if (!this._groups.has(id)) {\n      warn(`Optional content group not found: ${id}`);\n      return;\n    }\n    this._groups.get(id).visible = !!visible;\n  }\n\n  getOrder() {\n    if (!this._groups.size) {\n      return null;\n    }\n    if (this._order) {\n      return this._order.slice();\n    }\n    return Array.from(this._groups.keys());\n  }\n\n  getGroups() {\n    if (!this._groups.size) {\n      return null;\n    }\n    return Object.fromEntries(this._groups);\n  }\n\n  getGroup(id) {\n    return this._groups.get(id) || null;\n  }\n}\n\nexport { OptionalContentConfig };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, createPromiseCapability } from \"../shared/util.js\";\n\n/** @implements {IPDFStream} */\nclass PDFDataTransportStream {\n  constructor(params, pdfDataRangeTransport) {\n    assert(\n      pdfDataRangeTransport,\n      'PDFDataTransportStream - missing required \"pdfDataRangeTransport\" argument.'\n    );\n\n    this._queuedChunks = [];\n    this._progressiveDone = params.progressiveDone || false;\n\n    const initialData = params.initialData;\n    if (initialData && initialData.length > 0) {\n      const buffer = new Uint8Array(initialData).buffer;\n      this._queuedChunks.push(buffer);\n    }\n\n    this._pdfDataRangeTransport = pdfDataRangeTransport;\n    this._isStreamingSupported = !params.disableStream;\n    this._isRangeSupported = !params.disableRange;\n    this._contentLength = params.length;\n\n    this._fullRequestReader = null;\n    this._rangeReaders = [];\n\n    this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {\n      this._onReceiveData({ begin, chunk });\n    });\n\n    this._pdfDataRangeTransport.addProgressListener((loaded, total) => {\n      this._onProgress({ loaded, total });\n    });\n\n    this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {\n      this._onReceiveData({ chunk });\n    });\n\n    this._pdfDataRangeTransport.addProgressiveDoneListener(() => {\n      this._onProgressiveDone();\n    });\n\n    this._pdfDataRangeTransport.transportReady();\n  }\n\n  _onReceiveData(args) {\n    const buffer = new Uint8Array(args.chunk).buffer;\n    if (args.begin === undefined) {\n      if (this._fullRequestReader) {\n        this._fullRequestReader._enqueue(buffer);\n      } else {\n        this._queuedChunks.push(buffer);\n      }\n    } else {\n      const found = this._rangeReaders.some(function (rangeReader) {\n        if (rangeReader._begin !== args.begin) {\n          return false;\n        }\n        rangeReader._enqueue(buffer);\n        return true;\n      });\n      assert(\n        found,\n        \"_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.\"\n      );\n    }\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  _onProgress(evt) {\n    if (evt.total === undefined) {\n      // Reporting to first range reader, if it exists.\n      const firstReader = this._rangeReaders[0];\n      if (firstReader && firstReader.onProgress) {\n        firstReader.onProgress({ loaded: evt.loaded });\n      }\n    } else {\n      const fullReader = this._fullRequestReader;\n      if (fullReader && fullReader.onProgress) {\n        fullReader.onProgress({ loaded: evt.loaded, total: evt.total });\n      }\n    }\n  }\n\n  _onProgressiveDone() {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.progressiveDone();\n    }\n    this._progressiveDone = true;\n  }\n\n  _removeRangeReader(reader) {\n    const i = this._rangeReaders.indexOf(reader);\n    if (i >= 0) {\n      this._rangeReaders.splice(i, 1);\n    }\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFDataTransportStream.getFullReader can only be called once.\"\n    );\n    const queuedChunks = this._queuedChunks;\n    this._queuedChunks = null;\n    return new PDFDataTransportStreamReader(\n      this,\n      queuedChunks,\n      this._progressiveDone\n    );\n  }\n\n  getRangeReader(begin, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const reader = new PDFDataTransportStreamRangeReader(this, begin, end);\n    this._pdfDataRangeTransport.requestDataRange(begin, end);\n    this._rangeReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeReaders.slice(0);\n    readers.forEach(function (rangeReader) {\n      rangeReader.cancel(reason);\n    });\n    this._pdfDataRangeTransport.abort();\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFDataTransportStreamReader {\n  constructor(stream, queuedChunks, progressiveDone = false) {\n    this._stream = stream;\n    this._done = progressiveDone || false;\n    this._filename = null;\n    this._queuedChunks = queuedChunks || [];\n    this._loaded = 0;\n    for (const chunk of this._queuedChunks) {\n      this._loaded += chunk.byteLength;\n    }\n    this._requests = [];\n    this._headersReady = Promise.resolve();\n    stream._fullRequestReader = this;\n\n    this.onProgress = null;\n  }\n\n  _enqueue(chunk) {\n    if (this._done) {\n      return; // Ignore new data.\n    }\n    if (this._requests.length > 0) {\n      const requestCapability = this._requests.shift();\n      requestCapability.resolve({ value: chunk, done: false });\n    } else {\n      this._queuedChunks.push(chunk);\n    }\n    this._loaded += chunk.byteLength;\n  }\n\n  get headersReady() {\n    return this._headersReady;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get isRangeSupported() {\n    return this._stream._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._stream._isStreamingSupported;\n  }\n\n  get contentLength() {\n    return this._stream._contentLength;\n  }\n\n  async read() {\n    if (this._queuedChunks.length > 0) {\n      const chunk = this._queuedChunks.shift();\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n  }\n\n  progressiveDone() {\n    if (this._done) {\n      return;\n    }\n    this._done = true;\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFDataTransportStreamRangeReader {\n  constructor(stream, begin, end) {\n    this._stream = stream;\n    this._begin = begin;\n    this._end = end;\n    this._queuedChunk = null;\n    this._requests = [];\n    this._done = false;\n\n    this.onProgress = null;\n  }\n\n  _enqueue(chunk) {\n    if (this._done) {\n      return; // ignore new data\n    }\n    if (this._requests.length === 0) {\n      this._queuedChunk = chunk;\n    } else {\n      const requestsCapability = this._requests.shift();\n      requestsCapability.resolve({ value: chunk, done: false });\n      this._requests.forEach(function (requestCapability) {\n        requestCapability.resolve({ value: undefined, done: true });\n      });\n      this._requests = [];\n    }\n    this._done = true;\n    this._stream._removeRangeReader(this);\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    if (this._queuedChunk) {\n      const chunk = this._queuedChunk;\n      this._queuedChunk = null;\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    this._stream._removeRangeReader(this);\n  }\n}\n\nexport { PDFDataTransportStream };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-multi-str */\n\nimport { shadow } from \"../shared/util.js\";\n\nclass WebGLContext {\n  constructor({ enable = false }) {\n    this._enabled = enable === true;\n  }\n\n  get isEnabled() {\n    let enabled = this._enabled;\n    if (enabled) {\n      enabled = WebGLUtils.tryInitGL();\n    }\n    return shadow(this, \"isEnabled\", enabled);\n  }\n\n  composeSMask({ layer, mask, properties }) {\n    return WebGLUtils.composeSMask(layer, mask, properties);\n  }\n\n  drawFigures({ width, height, backgroundColor, figures, context }) {\n    return WebGLUtils.drawFigures(\n      width,\n      height,\n      backgroundColor,\n      figures,\n      context\n    );\n  }\n\n  clear() {\n    WebGLUtils.cleanup();\n  }\n}\n\nvar WebGLUtils = (function WebGLUtilsClosure() {\n  function loadShader(gl, code, shaderType) {\n    var shader = gl.createShader(shaderType);\n    gl.shaderSource(shader, code);\n    gl.compileShader(shader);\n    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);\n    if (!compiled) {\n      var errorMsg = gl.getShaderInfoLog(shader);\n      throw new Error(\"Error during shader compilation: \" + errorMsg);\n    }\n    return shader;\n  }\n  function createVertexShader(gl, code) {\n    return loadShader(gl, code, gl.VERTEX_SHADER);\n  }\n  function createFragmentShader(gl, code) {\n    return loadShader(gl, code, gl.FRAGMENT_SHADER);\n  }\n  function createProgram(gl, shaders) {\n    var program = gl.createProgram();\n    for (var i = 0, ii = shaders.length; i < ii; ++i) {\n      gl.attachShader(program, shaders[i]);\n    }\n    gl.linkProgram(program);\n    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);\n    if (!linked) {\n      var errorMsg = gl.getProgramInfoLog(program);\n      throw new Error(\"Error during program linking: \" + errorMsg);\n    }\n    return program;\n  }\n  function createTexture(gl, image, textureId) {\n    gl.activeTexture(textureId);\n    var texture = gl.createTexture();\n    gl.bindTexture(gl.TEXTURE_2D, texture);\n\n    // Set the parameters so we can render any size image.\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);\n\n    // Upload the image into the texture.\n    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);\n    return texture;\n  }\n\n  var currentGL, currentCanvas;\n  function generateGL() {\n    if (currentGL) {\n      return;\n    }\n\n    // The temporary canvas is used in the WebGL context.\n    currentCanvas = document.createElement(\"canvas\");\n    currentGL = currentCanvas.getContext(\"webgl\", {\n      premultipliedalpha: false,\n    });\n  }\n\n  var smaskVertexShaderCode =\n    \"\\\n  attribute vec2 a_position;                                    \\\n  attribute vec2 a_texCoord;                                    \\\n                                                                \\\n  uniform vec2 u_resolution;                                    \\\n                                                                \\\n  varying vec2 v_texCoord;                                      \\\n                                                                \\\n  void main() {                                                 \\\n    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \\\n    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \\\n                                                                \\\n    v_texCoord = a_texCoord;                                    \\\n  }                                                             \";\n\n  var smaskFragmentShaderCode =\n    \"\\\n  precision mediump float;                                      \\\n                                                                \\\n  uniform vec4 u_backdrop;                                      \\\n  uniform int u_subtype;                                        \\\n  uniform sampler2D u_image;                                    \\\n  uniform sampler2D u_mask;                                     \\\n                                                                \\\n  varying vec2 v_texCoord;                                      \\\n                                                                \\\n  void main() {                                                 \\\n    vec4 imageColor = texture2D(u_image, v_texCoord);           \\\n    vec4 maskColor = texture2D(u_mask, v_texCoord);             \\\n    if (u_backdrop.a > 0.0) {                                   \\\n      maskColor.rgb = maskColor.rgb * maskColor.a +             \\\n                      u_backdrop.rgb * (1.0 - maskColor.a);     \\\n    }                                                           \\\n    float lum;                                                  \\\n    if (u_subtype == 0) {                                       \\\n      lum = maskColor.a;                                        \\\n    } else {                                                    \\\n      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \\\n            maskColor.b * 0.11;                                 \\\n    }                                                           \\\n    imageColor.a *= lum;                                        \\\n    imageColor.rgb *= imageColor.a;                             \\\n    gl_FragColor = imageColor;                                  \\\n  }                                                             \";\n\n  var smaskCache = null;\n\n  function initSmaskGL() {\n    var canvas, gl;\n\n    generateGL();\n    canvas = currentCanvas;\n    currentCanvas = null;\n    gl = currentGL;\n    currentGL = null;\n\n    // setup a GLSL program\n    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);\n    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);\n    var program = createProgram(gl, [vertexShader, fragmentShader]);\n    gl.useProgram(program);\n\n    var cache = {};\n    cache.gl = gl;\n    cache.canvas = canvas;\n    cache.resolutionLocation = gl.getUniformLocation(program, \"u_resolution\");\n    cache.positionLocation = gl.getAttribLocation(program, \"a_position\");\n    cache.backdropLocation = gl.getUniformLocation(program, \"u_backdrop\");\n    cache.subtypeLocation = gl.getUniformLocation(program, \"u_subtype\");\n\n    var texCoordLocation = gl.getAttribLocation(program, \"a_texCoord\");\n    var texLayerLocation = gl.getUniformLocation(program, \"u_image\");\n    var texMaskLocation = gl.getUniformLocation(program, \"u_mask\");\n\n    // provide texture coordinates for the rectangle.\n    var texCoordBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n    // prettier-ignore\n    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n      0.0, 0.0,\n      1.0, 0.0,\n      0.0, 1.0,\n      0.0, 1.0,\n      1.0, 0.0,\n      1.0, 1.0]), gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(texCoordLocation);\n    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);\n\n    gl.uniform1i(texLayerLocation, 0);\n    gl.uniform1i(texMaskLocation, 1);\n\n    smaskCache = cache;\n  }\n\n  function composeSMask(layer, mask, properties) {\n    var width = layer.width,\n      height = layer.height;\n\n    if (!smaskCache) {\n      initSmaskGL();\n    }\n    var cache = smaskCache,\n      canvas = cache.canvas,\n      gl = cache.gl;\n    canvas.width = width;\n    canvas.height = height;\n    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n    gl.uniform2f(cache.resolutionLocation, width, height);\n\n    if (properties.backdrop) {\n      gl.uniform4f(\n        cache.resolutionLocation,\n        properties.backdrop[0],\n        properties.backdrop[1],\n        properties.backdrop[2],\n        1\n      );\n    } else {\n      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);\n    }\n    gl.uniform1i(\n      cache.subtypeLocation,\n      properties.subtype === \"Luminosity\" ? 1 : 0\n    );\n\n    // Create a textures\n    var texture = createTexture(gl, layer, gl.TEXTURE0);\n    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);\n\n    // Create a buffer and put a single clipspace rectangle in\n    // it (2 triangles)\n    var buffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);\n    // prettier-ignore\n    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n      0, 0,\n      width, 0,\n      0, height,\n      0, height,\n      width, 0,\n      width, height]), gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.positionLocation);\n    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n    // draw\n    gl.clearColor(0, 0, 0, 0);\n    gl.enable(gl.BLEND);\n    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);\n    gl.clear(gl.COLOR_BUFFER_BIT);\n\n    gl.drawArrays(gl.TRIANGLES, 0, 6);\n\n    gl.flush();\n\n    gl.deleteTexture(texture);\n    gl.deleteTexture(maskTexture);\n    gl.deleteBuffer(buffer);\n\n    return canvas;\n  }\n\n  var figuresVertexShaderCode =\n    \"\\\n  attribute vec2 a_position;                                    \\\n  attribute vec3 a_color;                                       \\\n                                                                \\\n  uniform vec2 u_resolution;                                    \\\n  uniform vec2 u_scale;                                         \\\n  uniform vec2 u_offset;                                        \\\n                                                                \\\n  varying vec4 v_color;                                         \\\n                                                                \\\n  void main() {                                                 \\\n    vec2 position = (a_position + u_offset) * u_scale;          \\\n    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \\\n    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \\\n                                                                \\\n    v_color = vec4(a_color / 255.0, 1.0);                       \\\n  }                                                             \";\n\n  var figuresFragmentShaderCode =\n    \"\\\n  precision mediump float;                                      \\\n                                                                \\\n  varying vec4 v_color;                                         \\\n                                                                \\\n  void main() {                                                 \\\n    gl_FragColor = v_color;                                     \\\n  }                                                             \";\n\n  var figuresCache = null;\n\n  function initFiguresGL() {\n    var canvas, gl;\n\n    generateGL();\n    canvas = currentCanvas;\n    currentCanvas = null;\n    gl = currentGL;\n    currentGL = null;\n\n    // setup a GLSL program\n    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);\n    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);\n    var program = createProgram(gl, [vertexShader, fragmentShader]);\n    gl.useProgram(program);\n\n    var cache = {};\n    cache.gl = gl;\n    cache.canvas = canvas;\n    cache.resolutionLocation = gl.getUniformLocation(program, \"u_resolution\");\n    cache.scaleLocation = gl.getUniformLocation(program, \"u_scale\");\n    cache.offsetLocation = gl.getUniformLocation(program, \"u_offset\");\n    cache.positionLocation = gl.getAttribLocation(program, \"a_position\");\n    cache.colorLocation = gl.getAttribLocation(program, \"a_color\");\n\n    figuresCache = cache;\n  }\n\n  function drawFigures(width, height, backgroundColor, figures, context) {\n    if (!figuresCache) {\n      initFiguresGL();\n    }\n    var cache = figuresCache,\n      canvas = cache.canvas,\n      gl = cache.gl;\n\n    canvas.width = width;\n    canvas.height = height;\n    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n    gl.uniform2f(cache.resolutionLocation, width, height);\n\n    // count triangle points\n    var count = 0;\n    var i, ii, rows;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      switch (figures[i].type) {\n        case \"lattice\":\n          rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;\n          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;\n          break;\n        case \"triangles\":\n          count += figures[i].coords.length;\n          break;\n      }\n    }\n    // transfer data\n    var coords = new Float32Array(count * 2);\n    var colors = new Uint8Array(count * 3);\n    var coordsMap = context.coords,\n      colorsMap = context.colors;\n    var pIndex = 0,\n      cIndex = 0;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      var figure = figures[i],\n        ps = figure.coords,\n        cs = figure.colors;\n      switch (figure.type) {\n        case \"lattice\":\n          var cols = figure.verticesPerRow;\n          rows = (ps.length / cols) | 0;\n          for (var row = 1; row < rows; row++) {\n            var offset = row * cols + 1;\n            for (var col = 1; col < cols; col++, offset++) {\n              coords[pIndex] = coordsMap[ps[offset - cols - 1]];\n              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];\n              coords[pIndex + 2] = coordsMap[ps[offset - cols]];\n              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];\n              coords[pIndex + 4] = coordsMap[ps[offset - 1]];\n              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];\n              colors[cIndex] = colorsMap[cs[offset - cols - 1]];\n              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];\n              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];\n              colors[cIndex + 3] = colorsMap[cs[offset - cols]];\n              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];\n              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];\n              colors[cIndex + 6] = colorsMap[cs[offset - 1]];\n              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];\n              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];\n\n              coords[pIndex + 6] = coords[pIndex + 2];\n              coords[pIndex + 7] = coords[pIndex + 3];\n              coords[pIndex + 8] = coords[pIndex + 4];\n              coords[pIndex + 9] = coords[pIndex + 5];\n              coords[pIndex + 10] = coordsMap[ps[offset]];\n              coords[pIndex + 11] = coordsMap[ps[offset] + 1];\n              colors[cIndex + 9] = colors[cIndex + 3];\n              colors[cIndex + 10] = colors[cIndex + 4];\n              colors[cIndex + 11] = colors[cIndex + 5];\n              colors[cIndex + 12] = colors[cIndex + 6];\n              colors[cIndex + 13] = colors[cIndex + 7];\n              colors[cIndex + 14] = colors[cIndex + 8];\n              colors[cIndex + 15] = colorsMap[cs[offset]];\n              colors[cIndex + 16] = colorsMap[cs[offset] + 1];\n              colors[cIndex + 17] = colorsMap[cs[offset] + 2];\n              pIndex += 12;\n              cIndex += 18;\n            }\n          }\n          break;\n        case \"triangles\":\n          for (var j = 0, jj = ps.length; j < jj; j++) {\n            coords[pIndex] = coordsMap[ps[j]];\n            coords[pIndex + 1] = coordsMap[ps[j] + 1];\n            colors[cIndex] = colorsMap[cs[j]];\n            colors[cIndex + 1] = colorsMap[cs[j] + 1];\n            colors[cIndex + 2] = colorsMap[cs[j] + 2];\n            pIndex += 2;\n            cIndex += 3;\n          }\n          break;\n      }\n    }\n\n    // draw\n    if (backgroundColor) {\n      gl.clearColor(\n        backgroundColor[0] / 255,\n        backgroundColor[1] / 255,\n        backgroundColor[2] / 255,\n        1.0\n      );\n    } else {\n      gl.clearColor(0, 0, 0, 0);\n    }\n    gl.clear(gl.COLOR_BUFFER_BIT);\n\n    var coordsBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);\n    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.positionLocation);\n    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n    var colorsBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);\n    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.colorLocation);\n    gl.vertexAttribPointer(\n      cache.colorLocation,\n      3,\n      gl.UNSIGNED_BYTE,\n      false,\n      0,\n      0\n    );\n\n    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);\n    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);\n\n    gl.drawArrays(gl.TRIANGLES, 0, count);\n\n    gl.flush();\n\n    gl.deleteBuffer(coordsBuffer);\n    gl.deleteBuffer(colorsBuffer);\n\n    return canvas;\n  }\n\n  return {\n    tryInitGL() {\n      try {\n        generateGL();\n        return !!currentGL;\n      } catch (ex) {}\n      return false;\n    },\n\n    composeSMask,\n\n    drawFigures,\n\n    cleanup() {\n      if (smaskCache && smaskCache.canvas) {\n        smaskCache.canvas.width = 0;\n        smaskCache.canvas.height = 0;\n      }\n      if (figuresCache && figuresCache.canvas) {\n        figuresCache.canvas.width = 0;\n        figuresCache.canvas.height = 0;\n      }\n      smaskCache = null;\n      figuresCache = null;\n    },\n  };\n})();\n\nexport { WebGLContext };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  addLinkAttributes,\n  DOMSVGFactory,\n  getFilenameFromUrl,\n  LinkTarget,\n  PDFDateString,\n} from \"./display_utils.js\";\nimport {\n  AnnotationBorderStyleType,\n  AnnotationType,\n  stringToPDFString,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { AnnotationStorage } from \"./annotation_storage.js\";\n\n/**\n * @typedef {Object} AnnotationElementParameters\n * @property {Object} data\n * @property {HTMLDivElement} layer\n * @property {PDFPage} page\n * @property {PageViewport} viewport\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {AnnotationStorage} [annotationStorage]\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n * @property {Object} svgFactory\n */\n\nclass AnnotationElementFactory {\n  /**\n   * @param {AnnotationElementParameters} parameters\n   * @returns {AnnotationElement}\n   */\n  static create(parameters) {\n    const subtype = parameters.data.annotationType;\n\n    switch (subtype) {\n      case AnnotationType.LINK:\n        return new LinkAnnotationElement(parameters);\n\n      case AnnotationType.TEXT:\n        return new TextAnnotationElement(parameters);\n\n      case AnnotationType.WIDGET:\n        const fieldType = parameters.data.fieldType;\n\n        switch (fieldType) {\n          case \"Tx\":\n            return new TextWidgetAnnotationElement(parameters);\n          case \"Btn\":\n            if (parameters.data.radioButton) {\n              return new RadioButtonWidgetAnnotationElement(parameters);\n            } else if (parameters.data.checkBox) {\n              return new CheckboxWidgetAnnotationElement(parameters);\n            }\n            return new PushButtonWidgetAnnotationElement(parameters);\n          case \"Ch\":\n            return new ChoiceWidgetAnnotationElement(parameters);\n        }\n        return new WidgetAnnotationElement(parameters);\n\n      case AnnotationType.POPUP:\n        return new PopupAnnotationElement(parameters);\n\n      case AnnotationType.FREETEXT:\n        return new FreeTextAnnotationElement(parameters);\n\n      case AnnotationType.LINE:\n        return new LineAnnotationElement(parameters);\n\n      case AnnotationType.SQUARE:\n        return new SquareAnnotationElement(parameters);\n\n      case AnnotationType.CIRCLE:\n        return new CircleAnnotationElement(parameters);\n\n      case AnnotationType.POLYLINE:\n        return new PolylineAnnotationElement(parameters);\n\n      case AnnotationType.CARET:\n        return new CaretAnnotationElement(parameters);\n\n      case AnnotationType.INK:\n        return new InkAnnotationElement(parameters);\n\n      case AnnotationType.POLYGON:\n        return new PolygonAnnotationElement(parameters);\n\n      case AnnotationType.HIGHLIGHT:\n        return new HighlightAnnotationElement(parameters);\n\n      case AnnotationType.UNDERLINE:\n        return new UnderlineAnnotationElement(parameters);\n\n      case AnnotationType.SQUIGGLY:\n        return new SquigglyAnnotationElement(parameters);\n\n      case AnnotationType.STRIKEOUT:\n        return new StrikeOutAnnotationElement(parameters);\n\n      case AnnotationType.STAMP:\n        return new StampAnnotationElement(parameters);\n\n      case AnnotationType.FILEATTACHMENT:\n        return new FileAttachmentAnnotationElement(parameters);\n\n      default:\n        return new AnnotationElement(parameters);\n    }\n  }\n}\n\nclass AnnotationElement {\n  constructor(parameters, isRenderable = false, ignoreBorder = false) {\n    this.isRenderable = isRenderable;\n    this.data = parameters.data;\n    this.layer = parameters.layer;\n    this.page = parameters.page;\n    this.viewport = parameters.viewport;\n    this.linkService = parameters.linkService;\n    this.downloadManager = parameters.downloadManager;\n    this.imageResourcesPath = parameters.imageResourcesPath;\n    this.renderInteractiveForms = parameters.renderInteractiveForms;\n    this.svgFactory = parameters.svgFactory;\n    this.annotationStorage = parameters.annotationStorage;\n\n    if (isRenderable) {\n      this.container = this._createContainer(ignoreBorder);\n    }\n  }\n\n  /**\n   * Create an empty container for the annotation's HTML element.\n   *\n   * @private\n   * @param {boolean} ignoreBorder\n   * @memberof AnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  _createContainer(ignoreBorder = false) {\n    const data = this.data,\n      page = this.page,\n      viewport = this.viewport;\n    const container = document.createElement(\"section\");\n    let width = data.rect[2] - data.rect[0];\n    let height = data.rect[3] - data.rect[1];\n\n    container.setAttribute(\"data-annotation-id\", data.id);\n\n    // Do *not* modify `data.rect`, since that will corrupt the annotation\n    // position on subsequent calls to `_createContainer` (see issue 6804).\n    const rect = Util.normalizeRect([\n      data.rect[0],\n      page.view[3] - data.rect[1] + page.view[1],\n      data.rect[2],\n      page.view[3] - data.rect[3] + page.view[1],\n    ]);\n\n    container.style.transform = `matrix(${viewport.transform.join(\",\")})`;\n    container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`;\n\n    if (!ignoreBorder && data.borderStyle.width > 0) {\n      container.style.borderWidth = `${data.borderStyle.width}px`;\n      if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {\n        // Underline styles only have a bottom border, so we do not need\n        // to adjust for all borders. This yields a similar result as\n        // Adobe Acrobat/Reader.\n        width = width - 2 * data.borderStyle.width;\n        height = height - 2 * data.borderStyle.width;\n      }\n\n      const horizontalRadius = data.borderStyle.horizontalCornerRadius;\n      const verticalRadius = data.borderStyle.verticalCornerRadius;\n      if (horizontalRadius > 0 || verticalRadius > 0) {\n        const radius = `${horizontalRadius}px / ${verticalRadius}px`;\n        container.style.borderRadius = radius;\n      }\n\n      switch (data.borderStyle.style) {\n        case AnnotationBorderStyleType.SOLID:\n          container.style.borderStyle = \"solid\";\n          break;\n\n        case AnnotationBorderStyleType.DASHED:\n          container.style.borderStyle = \"dashed\";\n          break;\n\n        case AnnotationBorderStyleType.BEVELED:\n          warn(\"Unimplemented border style: beveled\");\n          break;\n\n        case AnnotationBorderStyleType.INSET:\n          warn(\"Unimplemented border style: inset\");\n          break;\n\n        case AnnotationBorderStyleType.UNDERLINE:\n          container.style.borderBottomStyle = \"solid\";\n          break;\n\n        default:\n          break;\n      }\n\n      if (data.color) {\n        container.style.borderColor = Util.makeCssRgb(\n          data.color[0] | 0,\n          data.color[1] | 0,\n          data.color[2] | 0\n        );\n      } else {\n        // Transparent (invisible) border, so do not draw it at all.\n        container.style.borderWidth = 0;\n      }\n    }\n\n    container.style.left = `${rect[0]}px`;\n    container.style.top = `${rect[1]}px`;\n    container.style.width = `${width}px`;\n    container.style.height = `${height}px`;\n    return container;\n  }\n\n  /**\n   * Create a popup for the annotation's HTML element. This is used for\n   * annotations that do not have a Popup entry in the dictionary, but\n   * are of a type that works with popups (such as Highlight annotations).\n   *\n   * @private\n   * @param {HTMLSectionElement} container\n   * @param {HTMLDivElement|HTMLImageElement|null} trigger\n   * @param {Object} data\n   * @memberof AnnotationElement\n   */\n  _createPopup(container, trigger, data) {\n    // If no trigger element is specified, create it.\n    if (!trigger) {\n      trigger = document.createElement(\"div\");\n      trigger.style.height = container.style.height;\n      trigger.style.width = container.style.width;\n      container.appendChild(trigger);\n    }\n\n    const popupElement = new PopupElement({\n      container,\n      trigger,\n      color: data.color,\n      title: data.title,\n      modificationDate: data.modificationDate,\n      contents: data.contents,\n      hideWrapper: true,\n    });\n    const popup = popupElement.render();\n\n    // Position the popup next to the annotation's container.\n    popup.style.left = container.style.width;\n\n    container.appendChild(popup);\n  }\n\n  /**\n   * Render the annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof AnnotationElement\n   */\n  render() {\n    unreachable(\"Abstract method `AnnotationElement.render` called\");\n  }\n}\n\nclass LinkAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.url ||\n      parameters.data.dest ||\n      parameters.data.action\n    );\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the link annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof LinkAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"linkAnnotation\";\n\n    const { data, linkService } = this;\n    const link = document.createElement(\"a\");\n\n    if (data.url) {\n      addLinkAttributes(link, {\n        url: data.url,\n        target: data.newWindow\n          ? LinkTarget.BLANK\n          : linkService.externalLinkTarget,\n        rel: linkService.externalLinkRel,\n        enabled: linkService.externalLinkEnabled,\n      });\n    } else if (data.action) {\n      this._bindNamedAction(link, data.action);\n    } else {\n      this._bindLink(link, data.dest);\n    }\n\n    this.container.appendChild(link);\n    return this.container;\n  }\n\n  /**\n   * Bind internal links to the link element.\n   *\n   * @private\n   * @param {Object} link\n   * @param {Object} destination\n   * @memberof LinkAnnotationElement\n   */\n  _bindLink(link, destination) {\n    link.href = this.linkService.getDestinationHash(destination);\n    link.onclick = () => {\n      if (destination) {\n        this.linkService.navigateTo(destination);\n      }\n      return false;\n    };\n    if (destination) {\n      link.className = \"internalLink\";\n    }\n  }\n\n  /**\n   * Bind named actions to the link element.\n   *\n   * @private\n   * @param {Object} link\n   * @param {Object} action\n   * @memberof LinkAnnotationElement\n   */\n  _bindNamedAction(link, action) {\n    link.href = this.linkService.getAnchorUrl(\"\");\n    link.onclick = () => {\n      this.linkService.executeNamedAction(action);\n      return false;\n    };\n    link.className = \"internalLink\";\n  }\n}\n\nclass TextAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the text annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof TextAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"textAnnotation\";\n\n    const image = document.createElement(\"img\");\n    image.style.height = this.container.style.height;\n    image.style.width = this.container.style.width;\n    image.src =\n      this.imageResourcesPath +\n      \"annotation-\" +\n      this.data.name.toLowerCase() +\n      \".svg\";\n    image.alt = \"[{{type}} Annotation]\";\n    image.dataset.l10nId = \"text_annotation_type\";\n    image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, image, this.data);\n    }\n\n    this.container.appendChild(image);\n    return this.container;\n  }\n}\n\nclass WidgetAnnotationElement extends AnnotationElement {\n  /**\n   * Render the widget annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof WidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // Show only the container for unsupported field types.\n    return this.container;\n  }\n}\n\nclass TextWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    const isRenderable =\n      parameters.renderInteractiveForms ||\n      (!parameters.data.hasAppearance && !!parameters.data.fieldValue);\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the text widget annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof TextWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const TEXT_ALIGNMENT = [\"left\", \"center\", \"right\"];\n    const storage = this.annotationStorage;\n    const id = this.data.id;\n\n    this.container.className = \"textWidgetAnnotation\";\n\n    let element = null;\n    if (this.renderInteractiveForms) {\n      // NOTE: We cannot set the values using `element.value` below, since it\n      //       prevents the AnnotationLayer rasterizer in `test/driver.js`\n      //       from parsing the elements correctly for the reference tests.\n      const textContent = storage.getOrCreateValue(id, this.data.fieldValue);\n\n      if (this.data.multiLine) {\n        element = document.createElement(\"textarea\");\n        element.textContent = textContent;\n      } else {\n        element = document.createElement(\"input\");\n        element.type = \"text\";\n        element.setAttribute(\"value\", textContent);\n      }\n\n      element.addEventListener(\"input\", function (event) {\n        storage.setValue(id, event.target.value);\n      });\n\n      element.disabled = this.data.readOnly;\n      element.name = this.data.fieldName;\n\n      if (this.data.maxLen !== null) {\n        element.maxLength = this.data.maxLen;\n      }\n\n      if (this.data.comb) {\n        const fieldWidth = this.data.rect[2] - this.data.rect[0];\n        const combWidth = fieldWidth / this.data.maxLen;\n\n        element.classList.add(\"comb\");\n        element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;\n      }\n    } else {\n      element = document.createElement(\"div\");\n      element.textContent = this.data.fieldValue;\n      element.style.verticalAlign = \"middle\";\n      element.style.display = \"table-cell\";\n\n      let font = null;\n      if (\n        this.data.fontRefName &&\n        this.page.commonObjs.has(this.data.fontRefName)\n      ) {\n        font = this.page.commonObjs.get(this.data.fontRefName);\n      }\n      this._setTextStyle(element, font);\n    }\n\n    if (this.data.textAlignment !== null) {\n      element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];\n    }\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n\n  /**\n   * Apply text styles to the text in the element.\n   *\n   * @private\n   * @param {HTMLDivElement} element\n   * @param {Object} font\n   * @memberof TextWidgetAnnotationElement\n   */\n  _setTextStyle(element, font) {\n    // TODO: This duplicates some of the logic in CanvasGraphics.setFont().\n    const style = element.style;\n    style.fontSize = `${this.data.fontSize}px`;\n    style.direction = this.data.fontDirection < 0 ? \"rtl\" : \"ltr\";\n\n    if (!font) {\n      return;\n    }\n\n    let bold = \"normal\";\n    if (font.black) {\n      bold = \"900\";\n    } else if (font.bold) {\n      bold = \"bold\";\n    }\n    style.fontWeight = bold;\n    style.fontStyle = font.italic ? \"italic\" : \"normal\";\n\n    // Use a reasonable default font if the font doesn't specify a fallback.\n    const fontFamily = font.loadedName ? `\"${font.loadedName}\", ` : \"\";\n    const fallbackName = font.fallbackName || \"Helvetica, sans-serif\";\n    style.fontFamily = fontFamily + fallbackName;\n  }\n}\n\nclass CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the checkbox widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof CheckboxWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const storage = this.annotationStorage;\n    const data = this.data;\n    const id = data.id;\n    const value = storage.getOrCreateValue(\n      id,\n      data.fieldValue && data.fieldValue !== \"Off\"\n    );\n\n    this.container.className = \"buttonWidgetAnnotation checkBox\";\n\n    const element = document.createElement(\"input\");\n    element.disabled = data.readOnly;\n    element.type = \"checkbox\";\n    element.name = this.data.fieldName;\n    if (value) {\n      element.setAttribute(\"checked\", true);\n    }\n\n    element.addEventListener(\"change\", function (event) {\n      storage.setValue(id, event.target.checked);\n    });\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n}\n\nclass RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the radio button widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof RadioButtonWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"buttonWidgetAnnotation radioButton\";\n    const storage = this.annotationStorage;\n    const data = this.data;\n    const id = data.id;\n    const value = storage.getOrCreateValue(\n      id,\n      data.fieldValue === data.buttonValue\n    );\n\n    const element = document.createElement(\"input\");\n    element.disabled = data.readOnly;\n    element.type = \"radio\";\n    element.name = data.fieldName;\n    if (value) {\n      element.setAttribute(\"checked\", true);\n    }\n\n    element.addEventListener(\"change\", function (event) {\n      const name = event.target.name;\n      for (const radio of document.getElementsByName(name)) {\n        if (radio !== event.target) {\n          storage.setValue(\n            radio.parentNode.getAttribute(\"data-annotation-id\"),\n            false\n          );\n        }\n      }\n      storage.setValue(id, event.target.checked);\n    });\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n}\n\nclass PushButtonWidgetAnnotationElement extends LinkAnnotationElement {\n  /**\n   * Render the push button widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof PushButtonWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // The rendering and functionality of a push button widget annotation is\n    // equal to that of a link annotation, but may have more functionality, such\n    // as performing actions on form fields (resetting, submitting, et cetera).\n    const container = super.render();\n    container.className = \"buttonWidgetAnnotation pushButton\";\n    return container;\n  }\n}\n\nclass ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the choice widget annotation's HTML element in the empty\n   * container.\n   *\n   * @public\n   * @memberof ChoiceWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"choiceWidgetAnnotation\";\n    const storage = this.annotationStorage;\n    const id = this.data.id;\n\n    // For printing/saving we currently only support choice widgets with one\n    // option selection. Therefore, listboxes (#12189) and comboboxes (#12224)\n    // are not properly printed/saved yet, so we only store the first item in\n    // the field value array instead of the entire array. Once support for those\n    // two field types is implemented, we should use the same pattern as the\n    // other interactive widgets where the return value of `getOrCreateValue` is\n    // used and the full array of field values is stored.\n    storage.getOrCreateValue(\n      id,\n      this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null\n    );\n\n    const selectElement = document.createElement(\"select\");\n    selectElement.disabled = this.data.readOnly;\n    selectElement.name = this.data.fieldName;\n\n    if (!this.data.combo) {\n      // List boxes have a size and (optionally) multiple selection.\n      selectElement.size = this.data.options.length;\n      if (this.data.multiSelect) {\n        selectElement.multiple = true;\n      }\n    }\n\n    // Insert the options into the choice field.\n    for (const option of this.data.options) {\n      const optionElement = document.createElement(\"option\");\n      optionElement.textContent = option.displayValue;\n      optionElement.value = option.exportValue;\n      if (this.data.fieldValue.includes(option.exportValue)) {\n        optionElement.setAttribute(\"selected\", true);\n      }\n      selectElement.appendChild(optionElement);\n    }\n\n    selectElement.addEventListener(\"input\", function (event) {\n      const options = event.target.options;\n      const value = options[options.selectedIndex].value;\n      storage.setValue(id, value);\n    });\n\n    this.container.appendChild(selectElement);\n    return this.container;\n  }\n}\n\nclass PopupAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(parameters.data.title || parameters.data.contents);\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the popup annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof PopupAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // Do not render popup annotations for parent elements with these types as\n    // they create the popups themselves (because of custom trigger divs).\n    const IGNORE_TYPES = [\n      \"Line\",\n      \"Square\",\n      \"Circle\",\n      \"PolyLine\",\n      \"Polygon\",\n      \"Ink\",\n    ];\n\n    this.container.className = \"popupAnnotation\";\n\n    if (IGNORE_TYPES.includes(this.data.parentType)) {\n      return this.container;\n    }\n\n    const selector = `[data-annotation-id=\"${this.data.parentId}\"]`;\n    const parentElement = this.layer.querySelector(selector);\n    if (!parentElement) {\n      return this.container;\n    }\n\n    const popup = new PopupElement({\n      container: this.container,\n      trigger: parentElement,\n      color: this.data.color,\n      title: this.data.title,\n      modificationDate: this.data.modificationDate,\n      contents: this.data.contents,\n    });\n\n    // Position the popup next to the parent annotation's container.\n    // PDF viewers ignore a popup annotation's rectangle.\n    const parentLeft = parseFloat(parentElement.style.left);\n    const parentWidth = parseFloat(parentElement.style.width);\n    this.container.style.transformOrigin = `-${parentLeft + parentWidth}px -${\n      parentElement.style.top\n    }`;\n    this.container.style.left = `${parentLeft + parentWidth}px`;\n\n    this.container.appendChild(popup.render());\n    return this.container;\n  }\n}\n\nclass PopupElement {\n  constructor(parameters) {\n    this.container = parameters.container;\n    this.trigger = parameters.trigger;\n    this.color = parameters.color;\n    this.title = parameters.title;\n    this.modificationDate = parameters.modificationDate;\n    this.contents = parameters.contents;\n    this.hideWrapper = parameters.hideWrapper || false;\n\n    this.pinned = false;\n  }\n\n  /**\n   * Render the popup's HTML element.\n   *\n   * @public\n   * @memberof PopupElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const BACKGROUND_ENLIGHT = 0.7;\n\n    const wrapper = document.createElement(\"div\");\n    wrapper.className = \"popupWrapper\";\n\n    // For Popup annotations we hide the entire section because it contains\n    // only the popup. However, for Text annotations without a separate Popup\n    // annotation, we cannot hide the entire container as the image would\n    // disappear too. In that special case, hiding the wrapper suffices.\n    this.hideElement = this.hideWrapper ? wrapper : this.container;\n    this.hideElement.setAttribute(\"hidden\", true);\n\n    const popup = document.createElement(\"div\");\n    popup.className = \"popup\";\n\n    const color = this.color;\n    if (color) {\n      // Enlighten the color.\n      const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];\n      const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];\n      const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];\n      popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);\n    }\n\n    const title = document.createElement(\"h1\");\n    title.textContent = this.title;\n    popup.appendChild(title);\n\n    // The modification date is shown in the popup instead of the creation\n    // date if it is available and can be parsed correctly, which is\n    // consistent with other viewers such as Adobe Acrobat.\n    const dateObject = PDFDateString.toDateObject(this.modificationDate);\n    if (dateObject) {\n      const modificationDate = document.createElement(\"span\");\n      modificationDate.textContent = \"{{date}}, {{time}}\";\n      modificationDate.dataset.l10nId = \"annotation_date_string\";\n      modificationDate.dataset.l10nArgs = JSON.stringify({\n        date: dateObject.toLocaleDateString(),\n        time: dateObject.toLocaleTimeString(),\n      });\n      popup.appendChild(modificationDate);\n    }\n\n    const contents = this._formatContents(this.contents);\n    popup.appendChild(contents);\n\n    // Attach the event listeners to the trigger element.\n    this.trigger.addEventListener(\"click\", this._toggle.bind(this));\n    this.trigger.addEventListener(\"mouseover\", this._show.bind(this, false));\n    this.trigger.addEventListener(\"mouseout\", this._hide.bind(this, false));\n    popup.addEventListener(\"click\", this._hide.bind(this, true));\n\n    wrapper.appendChild(popup);\n    return wrapper;\n  }\n\n  /**\n   * Format the contents of the popup by adding newlines where necessary.\n   *\n   * @private\n   * @param {string} contents\n   * @memberof PopupElement\n   * @returns {HTMLParagraphElement}\n   */\n  _formatContents(contents) {\n    const p = document.createElement(\"p\");\n    const lines = contents.split(/(?:\\r\\n?|\\n)/);\n    for (let i = 0, ii = lines.length; i < ii; ++i) {\n      const line = lines[i];\n      p.appendChild(document.createTextNode(line));\n      if (i < ii - 1) {\n        p.appendChild(document.createElement(\"br\"));\n      }\n    }\n    return p;\n  }\n\n  /**\n   * Toggle the visibility of the popup.\n   *\n   * @private\n   * @memberof PopupElement\n   */\n  _toggle() {\n    if (this.pinned) {\n      this._hide(true);\n    } else {\n      this._show(true);\n    }\n  }\n\n  /**\n   * Show the popup.\n   *\n   * @private\n   * @param {boolean} pin\n   * @memberof PopupElement\n   */\n  _show(pin = false) {\n    if (pin) {\n      this.pinned = true;\n    }\n    if (this.hideElement.hasAttribute(\"hidden\")) {\n      this.hideElement.removeAttribute(\"hidden\");\n      this.container.style.zIndex += 1;\n    }\n  }\n\n  /**\n   * Hide the popup.\n   *\n   * @private\n   * @param {boolean} unpin\n   * @memberof PopupElement\n   */\n  _hide(unpin = true) {\n    if (unpin) {\n      this.pinned = false;\n    }\n    if (!this.hideElement.hasAttribute(\"hidden\") && !this.pinned) {\n      this.hideElement.setAttribute(\"hidden\", true);\n      this.container.style.zIndex -= 1;\n    }\n  }\n}\n\nclass FreeTextAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the free text annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof FreeTextAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"freeTextAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass LineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the line annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof LineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"lineAnnotation\";\n\n    // Create an invisible line with the same starting and ending coordinates\n    // that acts as the trigger for the popup. Only the line itself should\n    // trigger the popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // PDF coordinates are calculated from a bottom left origin, so transform\n    // the line coordinates to a top left origin for the SVG element.\n    const line = this.svgFactory.createElement(\"svg:line\");\n    line.setAttribute(\"x1\", data.rect[2] - data.lineCoordinates[0]);\n    line.setAttribute(\"y1\", data.rect[3] - data.lineCoordinates[1]);\n    line.setAttribute(\"x2\", data.rect[2] - data.lineCoordinates[2]);\n    line.setAttribute(\"y2\", data.rect[3] - data.lineCoordinates[3]);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    line.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n    line.setAttribute(\"stroke\", \"transparent\");\n\n    svg.appendChild(line);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the line instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, line, data);\n\n    return this.container;\n  }\n}\n\nclass SquareAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the square annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof SquareAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"squareAnnotation\";\n\n    // Create an invisible square with the same rectangle that acts as the\n    // trigger for the popup. Only the square itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // The browser draws half of the borders inside the square and half of\n    // the borders outside the square by default. This behavior cannot be\n    // changed programmatically, so correct for that here.\n    const borderWidth = data.borderStyle.width;\n    const square = this.svgFactory.createElement(\"svg:rect\");\n    square.setAttribute(\"x\", borderWidth / 2);\n    square.setAttribute(\"y\", borderWidth / 2);\n    square.setAttribute(\"width\", width - borderWidth);\n    square.setAttribute(\"height\", height - borderWidth);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    square.setAttribute(\"stroke-width\", borderWidth || 1);\n    square.setAttribute(\"stroke\", \"transparent\");\n    square.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(square);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the square instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, square, data);\n\n    return this.container;\n  }\n}\n\nclass CircleAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the circle annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof CircleAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"circleAnnotation\";\n\n    // Create an invisible circle with the same ellipse that acts as the\n    // trigger for the popup. Only the circle itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // The browser draws half of the borders inside the circle and half of\n    // the borders outside the circle by default. This behavior cannot be\n    // changed programmatically, so correct for that here.\n    const borderWidth = data.borderStyle.width;\n    const circle = this.svgFactory.createElement(\"svg:ellipse\");\n    circle.setAttribute(\"cx\", width / 2);\n    circle.setAttribute(\"cy\", height / 2);\n    circle.setAttribute(\"rx\", width / 2 - borderWidth / 2);\n    circle.setAttribute(\"ry\", height / 2 - borderWidth / 2);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    circle.setAttribute(\"stroke-width\", borderWidth || 1);\n    circle.setAttribute(\"stroke\", \"transparent\");\n    circle.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(circle);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the circle instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, circle, data);\n\n    return this.container;\n  }\n}\n\nclass PolylineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n\n    this.containerClassName = \"polylineAnnotation\";\n    this.svgElementName = \"svg:polyline\";\n  }\n\n  /**\n   * Render the polyline annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof PolylineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = this.containerClassName;\n\n    // Create an invisible polyline with the same points that acts as the\n    // trigger for the popup. Only the polyline itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // Convert the vertices array to a single points string that the SVG\n    // polyline element expects (\"x1,y1 x2,y2 ...\"). PDF coordinates are\n    // calculated from a bottom left origin, so transform the polyline\n    // coordinates to a top left origin for the SVG element.\n    let points = [];\n    for (const coordinate of data.vertices) {\n      const x = coordinate.x - data.rect[0];\n      const y = data.rect[3] - coordinate.y;\n      points.push(x + \",\" + y);\n    }\n    points = points.join(\" \");\n\n    const polyline = this.svgFactory.createElement(this.svgElementName);\n    polyline.setAttribute(\"points\", points);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    polyline.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n    polyline.setAttribute(\"stroke\", \"transparent\");\n    polyline.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(polyline);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the polyline\n    // instead of to the entire container (which is the default).\n    this._createPopup(this.container, polyline, data);\n\n    return this.container;\n  }\n}\n\nclass PolygonAnnotationElement extends PolylineAnnotationElement {\n  constructor(parameters) {\n    // Polygons are specific forms of polylines, so reuse their logic.\n    super(parameters);\n\n    this.containerClassName = \"polygonAnnotation\";\n    this.svgElementName = \"svg:polygon\";\n  }\n}\n\nclass CaretAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the caret annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof CaretAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"caretAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass InkAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n\n    this.containerClassName = \"inkAnnotation\";\n\n    // Use the polyline SVG element since it allows us to use coordinates\n    // directly and to draw both straight lines and curves.\n    this.svgElementName = \"svg:polyline\";\n  }\n\n  /**\n   * Render the ink annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof InkAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = this.containerClassName;\n\n    // Create an invisible polyline with the same points that acts as the\n    // trigger for the popup.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    for (const inkList of data.inkLists) {\n      // Convert the ink list to a single points string that the SVG\n      // polyline element expects (\"x1,y1 x2,y2 ...\"). PDF coordinates are\n      // calculated from a bottom left origin, so transform the polyline\n      // coordinates to a top left origin for the SVG element.\n      let points = [];\n      for (const coordinate of inkList) {\n        const x = coordinate.x - data.rect[0];\n        const y = data.rect[3] - coordinate.y;\n        points.push(`${x},${y}`);\n      }\n      points = points.join(\" \");\n\n      const polyline = this.svgFactory.createElement(this.svgElementName);\n      polyline.setAttribute(\"points\", points);\n      // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n      // won't be possible to open/close the popup (note e.g. issue 11122).\n      polyline.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n      polyline.setAttribute(\"stroke\", \"transparent\");\n      polyline.setAttribute(\"fill\", \"none\");\n\n      // Create the popup ourselves so that we can bind it to the polyline\n      // instead of to the entire container (which is the default).\n      this._createPopup(this.container, polyline, data);\n\n      svg.appendChild(polyline);\n    }\n\n    this.container.append(svg);\n    return this.container;\n  }\n}\n\nclass HighlightAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the highlight annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof HighlightAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"highlightAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass UnderlineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the underline annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof UnderlineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"underlineAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass SquigglyAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the squiggly annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof SquigglyAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"squigglyAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass StrikeOutAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the strikeout annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof StrikeOutAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"strikeoutAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass StampAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the stamp annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof StampAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"stampAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass FileAttachmentAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    super(parameters, /* isRenderable = */ true);\n\n    const { filename, content } = this.data.file;\n    this.filename = getFilenameFromUrl(filename);\n    this.content = content;\n\n    if (this.linkService.eventBus) {\n      this.linkService.eventBus.dispatch(\"fileattachmentannotation\", {\n        source: this,\n        id: stringToPDFString(filename),\n        filename,\n        content,\n      });\n    }\n  }\n\n  /**\n   * Render the file attachment annotation's HTML element in the empty\n   * container.\n   *\n   * @public\n   * @memberof FileAttachmentAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"fileAttachmentAnnotation\";\n\n    const trigger = document.createElement(\"div\");\n    trigger.style.height = this.container.style.height;\n    trigger.style.width = this.container.style.width;\n    trigger.addEventListener(\"dblclick\", this._download.bind(this));\n\n    if (!this.data.hasPopup && (this.data.title || this.data.contents)) {\n      this._createPopup(this.container, trigger, this.data);\n    }\n\n    this.container.appendChild(trigger);\n    return this.container;\n  }\n\n  /**\n   * Download the file attachment associated with this annotation.\n   *\n   * @private\n   * @memberof FileAttachmentAnnotationElement\n   */\n  _download() {\n    if (!this.downloadManager) {\n      warn(\"Download cannot be started due to unavailable download manager\");\n      return;\n    }\n    this.downloadManager.downloadData(this.content, this.filename, \"\");\n  }\n}\n\n/**\n * @typedef {Object} AnnotationLayerParameters\n * @property {PageViewport} viewport\n * @property {HTMLDivElement} div\n * @property {Array} annotations\n * @property {PDFPage} page\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n */\n\nclass AnnotationLayer {\n  /**\n   * Render a new annotation layer with all annotation elements.\n   *\n   * @public\n   * @param {AnnotationLayerParameters} parameters\n   * @memberof AnnotationLayer\n   */\n  static render(parameters) {\n    const sortedAnnotations = [],\n      popupAnnotations = [];\n    // Ensure that Popup annotations are handled last, since they're dependant\n    // upon the parent annotation having already been rendered (please refer to\n    // the `PopupAnnotationElement.render` method); fixes issue 11362.\n    for (const data of parameters.annotations) {\n      if (!data) {\n        continue;\n      }\n      if (data.annotationType === AnnotationType.POPUP) {\n        popupAnnotations.push(data);\n        continue;\n      }\n      sortedAnnotations.push(data);\n    }\n    if (popupAnnotations.length) {\n      sortedAnnotations.push(...popupAnnotations);\n    }\n\n    for (const data of sortedAnnotations) {\n      const element = AnnotationElementFactory.create({\n        data,\n        layer: parameters.div,\n        page: parameters.page,\n        viewport: parameters.viewport,\n        linkService: parameters.linkService,\n        downloadManager: parameters.downloadManager,\n        imageResourcesPath: parameters.imageResourcesPath || \"\",\n        renderInteractiveForms:\n          typeof parameters.renderInteractiveForms === \"boolean\"\n            ? parameters.renderInteractiveForms\n            : true,\n        svgFactory: new DOMSVGFactory(),\n        annotationStorage:\n          parameters.annotationStorage || new AnnotationStorage(),\n      });\n      if (element.isRenderable) {\n        parameters.div.appendChild(element.render());\n      }\n    }\n  }\n\n  /**\n   * Update the annotation elements on existing annotation layer.\n   *\n   * @public\n   * @param {AnnotationLayerParameters} parameters\n   * @memberof AnnotationLayer\n   */\n  static update(parameters) {\n    for (const data of parameters.annotations) {\n      const element = parameters.div.querySelector(\n        `[data-annotation-id=\"${data.id}\"]`\n      );\n      if (element) {\n        element.style.transform = `matrix(${parameters.viewport.transform.join(\n          \",\"\n        )})`;\n      }\n    }\n    parameters.div.removeAttribute(\"hidden\");\n  }\n}\n\nexport { AnnotationLayer };\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  createPromiseCapability,\n  Util,\n} from \"../shared/util.js\";\n\n/**\n * Text layer render parameters.\n *\n * @typedef {Object} TextLayerRenderParameters\n * @property {import(\"./api\").TextContent} [textContent] - Text content to\n *   render (the object is returned by the page's `getTextContent` method).\n * @property {ReadableStream} [textContentStream] - Text content stream to\n *   render (the stream is returned by the page's `streamTextContent` method).\n * @property {HTMLElement} container - HTML element that will contain text runs.\n * @property {import(\"./display_utils\").PageViewport} viewport - The target\n *   viewport to properly layout the text runs.\n * @property {Array<HTMLElement>} [textDivs] - HTML elements that are correspond\n *   to the text items of the textContent input. This is output and shall be\n *   initially be set to empty array.\n * @property {Array<string>} [textContentItemsStr] - Strings that correspond to\n *    the `str` property of the text items of textContent input. This is output\n *   and shall be initially be set to empty array.\n * @property {number} [timeout] - Delay in milliseconds before rendering of the\n *   text runs occurs.\n * @property {boolean} [enhanceTextSelection] - Whether to turn on the text\n *   selection enhancement.\n */\n\n/**\n * @typedef {Object} TextLayerRenderTask\n * @property {Promise<void>} promise\n * @property {() => void} cancel\n * @property {(expandDivs: boolean) => void} expandTextDivs\n */\n\n/**\n * @type {(renderParameters: TextLayerRenderParameters) => TextLayerRenderTask}\n */\nvar renderTextLayer = (function renderTextLayerClosure() {\n  var MAX_TEXT_DIVS_TO_RENDER = 100000;\n\n  var NonWhitespaceRegexp = /\\S/;\n\n  function isAllWhitespace(str) {\n    return !NonWhitespaceRegexp.test(str);\n  }\n\n  function appendText(task, geom, styles) {\n    // Initialize all used properties to keep the caches monomorphic.\n    var textDiv = document.createElement(\"span\");\n    var textDivProperties = {\n      angle: 0,\n      canvasWidth: 0,\n      isWhitespace: false,\n      originalTransform: null,\n      paddingBottom: 0,\n      paddingLeft: 0,\n      paddingRight: 0,\n      paddingTop: 0,\n      scale: 1,\n    };\n\n    task._textDivs.push(textDiv);\n    if (isAllWhitespace(geom.str)) {\n      textDivProperties.isWhitespace = true;\n      task._textDivProperties.set(textDiv, textDivProperties);\n      return;\n    }\n\n    var tx = Util.transform(task._viewport.transform, geom.transform);\n    var angle = Math.atan2(tx[1], tx[0]);\n    var style = styles[geom.fontName];\n    if (style.vertical) {\n      angle += Math.PI / 2;\n    }\n    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);\n    var fontAscent = fontHeight;\n    if (style.ascent) {\n      fontAscent = style.ascent * fontAscent;\n    } else if (style.descent) {\n      fontAscent = (1 + style.descent) * fontAscent;\n    }\n\n    let left, top;\n    if (angle === 0) {\n      left = tx[4];\n      top = tx[5] - fontAscent;\n    } else {\n      left = tx[4] + fontAscent * Math.sin(angle);\n      top = tx[5] - fontAscent * Math.cos(angle);\n    }\n    // Setting the style properties individually, rather than all at once,\n    // should be OK since the `textDiv` isn't appended to the document yet.\n    textDiv.style.left = `${left}px`;\n    textDiv.style.top = `${top}px`;\n    textDiv.style.fontSize = `${fontHeight}px`;\n    textDiv.style.fontFamily = style.fontFamily;\n\n    textDiv.textContent = geom.str;\n    // `fontName` is only used by the FontInspector, and we only use `dataset`\n    // here to make the font name available in the debugger.\n    if (task._fontInspectorEnabled) {\n      textDiv.dataset.fontName = geom.fontName;\n    }\n    if (angle !== 0) {\n      textDivProperties.angle = angle * (180 / Math.PI);\n    }\n    // We don't bother scaling single-char text divs, because it has very\n    // little effect on text highlighting. This makes scrolling on docs with\n    // lots of such divs a lot faster.\n    let shouldScaleText = false;\n    if (geom.str.length > 1) {\n      shouldScaleText = true;\n    } else if (geom.transform[0] !== geom.transform[3]) {\n      const absScaleX = Math.abs(geom.transform[0]),\n        absScaleY = Math.abs(geom.transform[3]);\n      // When the horizontal/vertical scaling differs significantly, also scale\n      // even single-char text to improve highlighting (fixes issue11713.pdf).\n      if (\n        absScaleX !== absScaleY &&\n        Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5\n      ) {\n        shouldScaleText = true;\n      }\n    }\n    if (shouldScaleText) {\n      if (style.vertical) {\n        textDivProperties.canvasWidth = geom.height * task._viewport.scale;\n      } else {\n        textDivProperties.canvasWidth = geom.width * task._viewport.scale;\n      }\n    }\n    task._textDivProperties.set(textDiv, textDivProperties);\n    if (task._textContentStream) {\n      task._layoutText(textDiv);\n    }\n\n    if (task._enhanceTextSelection) {\n      var angleCos = 1,\n        angleSin = 0;\n      if (angle !== 0) {\n        angleCos = Math.cos(angle);\n        angleSin = Math.sin(angle);\n      }\n      var divWidth =\n        (style.vertical ? geom.height : geom.width) * task._viewport.scale;\n      var divHeight = fontHeight;\n\n      var m, b;\n      if (angle !== 0) {\n        m = [angleCos, angleSin, -angleSin, angleCos, left, top];\n        b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);\n      } else {\n        b = [left, top, left + divWidth, top + divHeight];\n      }\n\n      task._bounds.push({\n        left: b[0],\n        top: b[1],\n        right: b[2],\n        bottom: b[3],\n        div: textDiv,\n        size: [divWidth, divHeight],\n        m,\n      });\n    }\n  }\n\n  function render(task) {\n    if (task._canceled) {\n      return;\n    }\n    var textDivs = task._textDivs;\n    var capability = task._capability;\n    var textDivsLength = textDivs.length;\n\n    // No point in rendering many divs as it would make the browser\n    // unusable even after the divs are rendered.\n    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {\n      task._renderingDone = true;\n      capability.resolve();\n      return;\n    }\n\n    if (!task._textContentStream) {\n      for (var i = 0; i < textDivsLength; i++) {\n        task._layoutText(textDivs[i]);\n      }\n    }\n\n    task._renderingDone = true;\n    capability.resolve();\n  }\n\n  function findPositiveMin(ts, offset, count) {\n    let result = 0;\n    for (let i = 0; i < count; i++) {\n      const t = ts[offset++];\n      if (t > 0) {\n        result = result ? Math.min(t, result) : t;\n      }\n    }\n    return result;\n  }\n\n  function expand(task) {\n    var bounds = task._bounds;\n    var viewport = task._viewport;\n\n    var expanded = expandBounds(viewport.width, viewport.height, bounds);\n    for (var i = 0; i < expanded.length; i++) {\n      var div = bounds[i].div;\n      var divProperties = task._textDivProperties.get(div);\n      if (divProperties.angle === 0) {\n        divProperties.paddingLeft = bounds[i].left - expanded[i].left;\n        divProperties.paddingTop = bounds[i].top - expanded[i].top;\n        divProperties.paddingRight = expanded[i].right - bounds[i].right;\n        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;\n        task._textDivProperties.set(div, divProperties);\n        continue;\n      }\n      // Box is rotated -- trying to find padding so rotated div will not\n      // exceed its expanded bounds.\n      var e = expanded[i],\n        b = bounds[i];\n      var m = b.m,\n        c = m[0],\n        s = m[1];\n      // Finding intersections with expanded box.\n      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];\n      var ts = new Float64Array(64);\n      points.forEach(function (p, j) {\n        var t = Util.applyTransform(p, m);\n        ts[j + 0] = c && (e.left - t[0]) / c;\n        ts[j + 4] = s && (e.top - t[1]) / s;\n        ts[j + 8] = c && (e.right - t[0]) / c;\n        ts[j + 12] = s && (e.bottom - t[1]) / s;\n\n        ts[j + 16] = s && (e.left - t[0]) / -s;\n        ts[j + 20] = c && (e.top - t[1]) / c;\n        ts[j + 24] = s && (e.right - t[0]) / -s;\n        ts[j + 28] = c && (e.bottom - t[1]) / c;\n\n        ts[j + 32] = c && (e.left - t[0]) / -c;\n        ts[j + 36] = s && (e.top - t[1]) / -s;\n        ts[j + 40] = c && (e.right - t[0]) / -c;\n        ts[j + 44] = s && (e.bottom - t[1]) / -s;\n\n        ts[j + 48] = s && (e.left - t[0]) / s;\n        ts[j + 52] = c && (e.top - t[1]) / -c;\n        ts[j + 56] = s && (e.right - t[0]) / s;\n        ts[j + 60] = c && (e.bottom - t[1]) / -c;\n      });\n      // Not based on math, but to simplify calculations, using cos and sin\n      // absolute values to not exceed the box (it can but insignificantly).\n      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));\n      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;\n      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;\n      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;\n      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;\n      task._textDivProperties.set(div, divProperties);\n    }\n  }\n\n  function expandBounds(width, height, boxes) {\n    var bounds = boxes.map(function (box, i) {\n      return {\n        x1: box.left,\n        y1: box.top,\n        x2: box.right,\n        y2: box.bottom,\n        index: i,\n        x1New: undefined,\n        x2New: undefined,\n      };\n    });\n    expandBoundsLTR(width, bounds);\n    var expanded = new Array(boxes.length);\n    bounds.forEach(function (b) {\n      var i = b.index;\n      expanded[i] = {\n        left: b.x1New,\n        top: 0,\n        right: b.x2New,\n        bottom: 0,\n      };\n    });\n\n    // Rotating on 90 degrees and extending extended boxes. Reusing the bounds\n    // array and objects.\n    boxes.map(function (box, i) {\n      var e = expanded[i],\n        b = bounds[i];\n      b.x1 = box.top;\n      b.y1 = width - e.right;\n      b.x2 = box.bottom;\n      b.y2 = width - e.left;\n      b.index = i;\n      b.x1New = undefined;\n      b.x2New = undefined;\n    });\n    expandBoundsLTR(height, bounds);\n\n    bounds.forEach(function (b) {\n      var i = b.index;\n      expanded[i].top = b.x1New;\n      expanded[i].bottom = b.x2New;\n    });\n    return expanded;\n  }\n\n  function expandBoundsLTR(width, bounds) {\n    // Sorting by x1 coordinate and walk by the bounds in the same order.\n    bounds.sort(function (a, b) {\n      return a.x1 - b.x1 || a.index - b.index;\n    });\n\n    // First we see on the horizon is a fake boundary.\n    var fakeBoundary = {\n      x1: -Infinity,\n      y1: -Infinity,\n      x2: 0,\n      y2: Infinity,\n      index: -1,\n      x1New: 0,\n      x2New: 0,\n    };\n    var horizon = [\n      {\n        start: -Infinity,\n        end: Infinity,\n        boundary: fakeBoundary,\n      },\n    ];\n\n    bounds.forEach(function (boundary) {\n      // Searching for the affected part of horizon.\n      // TODO red-black tree or simple binary search\n      var i = 0;\n      while (i < horizon.length && horizon[i].end <= boundary.y1) {\n        i++;\n      }\n      var j = horizon.length - 1;\n      while (j >= 0 && horizon[j].start >= boundary.y2) {\n        j--;\n      }\n\n      var horizonPart, affectedBoundary;\n      var q,\n        k,\n        maxXNew = -Infinity;\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        var xNew;\n        if (affectedBoundary.x2 > boundary.x1) {\n          // In the middle of the previous element, new x shall be at the\n          // boundary start. Extending if further if the affected boundary\n          // placed on top of the current one.\n          xNew =\n            affectedBoundary.index > boundary.index\n              ? affectedBoundary.x1New\n              : boundary.x1;\n        } else if (affectedBoundary.x2New === undefined) {\n          // We have some space in between, new x in middle will be a fair\n          // choice.\n          xNew = (affectedBoundary.x2 + boundary.x1) / 2;\n        } else {\n          // Affected boundary has x2new set, using it as new x.\n          xNew = affectedBoundary.x2New;\n        }\n        if (xNew > maxXNew) {\n          maxXNew = xNew;\n        }\n      }\n\n      // Set new x1 for current boundary.\n      boundary.x1New = maxXNew;\n\n      // Adjusts new x2 for the affected boundaries.\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        if (affectedBoundary.x2New === undefined) {\n          // Was not set yet, choosing new x if possible.\n          if (affectedBoundary.x2 > boundary.x1) {\n            // Current and affected boundaries intersect. If affected boundary\n            // is placed on top of the current, shrinking the affected.\n            if (affectedBoundary.index > boundary.index) {\n              affectedBoundary.x2New = affectedBoundary.x2;\n            }\n          } else {\n            affectedBoundary.x2New = maxXNew;\n          }\n        } else if (affectedBoundary.x2New > maxXNew) {\n          // Affected boundary is touching new x, pushing it back.\n          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);\n        }\n      }\n\n      // Fixing the horizon.\n      var changedHorizon = [],\n        lastBoundary = null;\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        // Checking which boundary will be visible.\n        var useBoundary =\n          affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;\n        if (lastBoundary === useBoundary) {\n          // Merging with previous.\n          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;\n        } else {\n          changedHorizon.push({\n            start: horizonPart.start,\n            end: horizonPart.end,\n            boundary: useBoundary,\n          });\n          lastBoundary = useBoundary;\n        }\n      }\n      if (horizon[i].start < boundary.y1) {\n        changedHorizon[0].start = boundary.y1;\n        changedHorizon.unshift({\n          start: horizon[i].start,\n          end: boundary.y1,\n          boundary: horizon[i].boundary,\n        });\n      }\n      if (boundary.y2 < horizon[j].end) {\n        changedHorizon[changedHorizon.length - 1].end = boundary.y2;\n        changedHorizon.push({\n          start: boundary.y2,\n          end: horizon[j].end,\n          boundary: horizon[j].boundary,\n        });\n      }\n\n      // Set x2 new of boundary that is no longer visible (see overlapping case\n      // above).\n      // TODO more efficient, e.g. via reference counting.\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        if (affectedBoundary.x2New !== undefined) {\n          continue;\n        }\n        var used = false;\n        for (\n          k = i - 1;\n          !used && k >= 0 && horizon[k].start >= affectedBoundary.y1;\n          k--\n        ) {\n          used = horizon[k].boundary === affectedBoundary;\n        }\n        for (\n          k = j + 1;\n          !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2;\n          k++\n        ) {\n          used = horizon[k].boundary === affectedBoundary;\n        }\n        for (k = 0; !used && k < changedHorizon.length; k++) {\n          used = changedHorizon[k].boundary === affectedBoundary;\n        }\n        if (!used) {\n          affectedBoundary.x2New = maxXNew;\n        }\n      }\n\n      Array.prototype.splice.apply(\n        horizon,\n        [i, j - i + 1].concat(changedHorizon)\n      );\n    });\n\n    // Set new x2 for all unset boundaries.\n    horizon.forEach(function (horizonPart) {\n      var affectedBoundary = horizonPart.boundary;\n      if (affectedBoundary.x2New === undefined) {\n        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);\n      }\n    });\n  }\n\n  /**\n   * Text layer rendering task.\n   *\n   * @param {TextContent} textContent\n   * @param {HTMLElement} container\n   * @param {PageViewport} viewport\n   * @param {Array} textDivs\n   * @param {boolean} enhanceTextSelection\n   * @private\n   */\n  function TextLayerRenderTask({\n    textContent,\n    textContentStream,\n    container,\n    viewport,\n    textDivs,\n    textContentItemsStr,\n    enhanceTextSelection,\n  }) {\n    this._textContent = textContent;\n    this._textContentStream = textContentStream;\n    this._container = container;\n    this._document = container.ownerDocument;\n    this._viewport = viewport;\n    this._textDivs = textDivs || [];\n    this._textContentItemsStr = textContentItemsStr || [];\n    this._enhanceTextSelection = !!enhanceTextSelection;\n    this._fontInspectorEnabled = !!(\n      globalThis.FontInspector && globalThis.FontInspector.enabled\n    );\n\n    this._reader = null;\n    this._layoutTextLastFontSize = null;\n    this._layoutTextLastFontFamily = null;\n    this._layoutTextCtx = null;\n    this._textDivProperties = new WeakMap();\n    this._renderingDone = false;\n    this._canceled = false;\n    this._capability = createPromiseCapability();\n    this._renderTimer = null;\n    this._bounds = [];\n\n    // Always clean-up the temporary canvas once rendering is no longer pending.\n    this._capability.promise\n      .finally(() => {\n        if (this._layoutTextCtx) {\n          // Zeroing the width and height cause Firefox to release graphics\n          // resources immediately, which can greatly reduce memory consumption.\n          this._layoutTextCtx.canvas.width = 0;\n          this._layoutTextCtx.canvas.height = 0;\n          this._layoutTextCtx = null;\n        }\n      })\n      .catch(() => {\n        /* Avoid \"Uncaught promise\" messages in the console. */\n      });\n  }\n  TextLayerRenderTask.prototype = {\n    get promise() {\n      return this._capability.promise;\n    },\n\n    cancel: function TextLayer_cancel() {\n      this._canceled = true;\n      if (this._reader) {\n        this._reader.cancel(new AbortException(\"TextLayer task cancelled.\"));\n        this._reader = null;\n      }\n      if (this._renderTimer !== null) {\n        clearTimeout(this._renderTimer);\n        this._renderTimer = null;\n      }\n      this._capability.reject(new Error(\"TextLayer task cancelled.\"));\n    },\n\n    _processItems(items, styleCache) {\n      for (let i = 0, len = items.length; i < len; i++) {\n        this._textContentItemsStr.push(items[i].str);\n        appendText(this, items[i], styleCache);\n      }\n    },\n\n    _layoutText(textDiv) {\n      const textDivProperties = this._textDivProperties.get(textDiv);\n      if (textDivProperties.isWhitespace) {\n        return;\n      }\n\n      let transform = \"\";\n      if (textDivProperties.canvasWidth !== 0) {\n        const { fontSize, fontFamily } = textDiv.style;\n\n        // Only build font string and set to context if different from last.\n        if (\n          fontSize !== this._layoutTextLastFontSize ||\n          fontFamily !== this._layoutTextLastFontFamily\n        ) {\n          this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;\n          this._layoutTextLastFontSize = fontSize;\n          this._layoutTextLastFontFamily = fontFamily;\n        }\n        // Only measure the width for multi-char text divs, see `appendText`.\n        const { width } = this._layoutTextCtx.measureText(textDiv.textContent);\n\n        if (width > 0) {\n          textDivProperties.scale = textDivProperties.canvasWidth / width;\n          transform = `scaleX(${textDivProperties.scale})`;\n        }\n      }\n      if (textDivProperties.angle !== 0) {\n        transform = `rotate(${textDivProperties.angle}deg) ${transform}`;\n      }\n      if (transform.length > 0) {\n        if (this._enhanceTextSelection) {\n          textDivProperties.originalTransform = transform;\n        }\n        textDiv.style.transform = transform;\n      }\n      this._textDivProperties.set(textDiv, textDivProperties);\n      this._container.appendChild(textDiv);\n    },\n\n    _render: function TextLayer_render(timeout) {\n      const capability = createPromiseCapability();\n      let styleCache = Object.create(null);\n\n      // The temporary canvas is used to measure text length in the DOM.\n      const canvas = this._document.createElement(\"canvas\");\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"MOZCENTRAL || GENERIC\")\n      ) {\n        canvas.mozOpaque = true;\n      }\n      this._layoutTextCtx = canvas.getContext(\"2d\", { alpha: false });\n\n      if (this._textContent) {\n        const textItems = this._textContent.items;\n        const textStyles = this._textContent.styles;\n        this._processItems(textItems, textStyles);\n        capability.resolve();\n      } else if (this._textContentStream) {\n        const pump = () => {\n          this._reader.read().then(({ value, done }) => {\n            if (done) {\n              capability.resolve();\n              return;\n            }\n\n            Object.assign(styleCache, value.styles);\n            this._processItems(value.items, styleCache);\n            pump();\n          }, capability.reject);\n        };\n\n        this._reader = this._textContentStream.getReader();\n        pump();\n      } else {\n        throw new Error(\n          'Neither \"textContent\" nor \"textContentStream\"' +\n            \" parameters specified.\"\n        );\n      }\n\n      capability.promise.then(() => {\n        styleCache = null;\n        if (!timeout) {\n          // Render right away\n          render(this);\n        } else {\n          // Schedule\n          this._renderTimer = setTimeout(() => {\n            render(this);\n            this._renderTimer = null;\n          }, timeout);\n        }\n      }, this._capability.reject);\n    },\n\n    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {\n      if (!this._enhanceTextSelection || !this._renderingDone) {\n        return;\n      }\n      if (this._bounds !== null) {\n        expand(this);\n        this._bounds = null;\n      }\n      const transformBuf = [],\n        paddingBuf = [];\n\n      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {\n        const div = this._textDivs[i];\n        const divProps = this._textDivProperties.get(div);\n\n        if (divProps.isWhitespace) {\n          continue;\n        }\n        if (expandDivs) {\n          transformBuf.length = 0;\n          paddingBuf.length = 0;\n\n          if (divProps.originalTransform) {\n            transformBuf.push(divProps.originalTransform);\n          }\n          if (divProps.paddingTop > 0) {\n            paddingBuf.push(`${divProps.paddingTop}px`);\n            transformBuf.push(`translateY(${-divProps.paddingTop}px)`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingRight > 0) {\n            paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingBottom > 0) {\n            paddingBuf.push(`${divProps.paddingBottom}px`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingLeft > 0) {\n            paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);\n            transformBuf.push(\n              `translateX(${-divProps.paddingLeft / divProps.scale}px)`\n            );\n          } else {\n            paddingBuf.push(0);\n          }\n\n          div.style.padding = paddingBuf.join(\" \");\n          if (transformBuf.length) {\n            div.style.transform = transformBuf.join(\" \");\n          }\n        } else {\n          div.style.padding = null;\n          div.style.transform = divProps.originalTransform;\n        }\n      }\n    },\n  };\n\n  // eslint-disable-next-line no-shadow\n  function renderTextLayer(renderParameters) {\n    var task = new TextLayerRenderTask({\n      textContent: renderParameters.textContent,\n      textContentStream: renderParameters.textContentStream,\n      container: renderParameters.container,\n      viewport: renderParameters.viewport,\n      textDivs: renderParameters.textDivs,\n      textContentItemsStr: renderParameters.textContentItemsStr,\n      enhanceTextSelection: renderParameters.enhanceTextSelection,\n    });\n    task._render(renderParameters.timeout);\n    return task;\n  }\n\n  return renderTextLayer;\n})();\n\nexport { renderTextLayer };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n/* eslint no-var: error */\n\nimport {\n  createObjectURL,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  ImageKind,\n  isNum,\n  OPS,\n  TextRenderingMode,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { DOMSVGFactory } from \"./display_utils.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\n\n/** @type {any} */\nlet SVGGraphics = function () {\n  throw new Error(\"Not implemented: SVGGraphics\");\n};\n\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  const SVG_DEFAULTS = {\n    fontStyle: \"normal\",\n    fontWeight: \"normal\",\n    fillColor: \"#000000\",\n  };\n  const XML_NS = \"http://www.w3.org/XML/1998/namespace\";\n  const XLINK_NS = \"http://www.w3.org/1999/xlink\";\n  const LINE_CAP_STYLES = [\"butt\", \"round\", \"square\"];\n  const LINE_JOIN_STYLES = [\"miter\", \"round\", \"bevel\"];\n\n  const convertImgDataToPng = (function () {\n    const PNG_HEADER = new Uint8Array([\n      0x89,\n      0x50,\n      0x4e,\n      0x47,\n      0x0d,\n      0x0a,\n      0x1a,\n      0x0a,\n    ]);\n    const CHUNK_WRAPPER_SIZE = 12;\n\n    const crcTable = new Int32Array(256);\n    for (let i = 0; i < 256; i++) {\n      let c = i;\n      for (let h = 0; h < 8; h++) {\n        if (c & 1) {\n          c = 0xedb88320 ^ ((c >> 1) & 0x7fffffff);\n        } else {\n          c = (c >> 1) & 0x7fffffff;\n        }\n      }\n      crcTable[i] = c;\n    }\n\n    function crc32(data, start, end) {\n      let crc = -1;\n      for (let i = start; i < end; i++) {\n        const a = (crc ^ data[i]) & 0xff;\n        const b = crcTable[a];\n        crc = (crc >>> 8) ^ b;\n      }\n      return crc ^ -1;\n    }\n\n    function writePngChunk(type, body, data, offset) {\n      let p = offset;\n      const len = body.length;\n\n      data[p] = (len >> 24) & 0xff;\n      data[p + 1] = (len >> 16) & 0xff;\n      data[p + 2] = (len >> 8) & 0xff;\n      data[p + 3] = len & 0xff;\n      p += 4;\n\n      data[p] = type.charCodeAt(0) & 0xff;\n      data[p + 1] = type.charCodeAt(1) & 0xff;\n      data[p + 2] = type.charCodeAt(2) & 0xff;\n      data[p + 3] = type.charCodeAt(3) & 0xff;\n      p += 4;\n\n      data.set(body, p);\n      p += body.length;\n\n      const crc = crc32(data, offset + 4, p);\n      data[p] = (crc >> 24) & 0xff;\n      data[p + 1] = (crc >> 16) & 0xff;\n      data[p + 2] = (crc >> 8) & 0xff;\n      data[p + 3] = crc & 0xff;\n    }\n\n    function adler32(data, start, end) {\n      let a = 1;\n      let b = 0;\n      for (let i = start; i < end; ++i) {\n        a = (a + (data[i] & 0xff)) % 65521;\n        b = (b + a) % 65521;\n      }\n      return (b << 16) | a;\n    }\n\n    /**\n     * @param {Uint8Array} literals The input data.\n     * @returns {Uint8Array} The DEFLATE-compressed data stream in zlib format.\n     *   This is the required format for compressed streams in the PNG format:\n     *   http://www.libpng.org/pub/png/spec/1.2/PNG-Compression.html\n     */\n    function deflateSync(literals) {\n      if (!isNodeJS) {\n        // zlib is certainly not available outside of Node.js. We can either use\n        // the pako library for client-side DEFLATE compression, or use the\n        // canvas API of the browser to obtain a more optimal PNG file.\n        return deflateSyncUncompressed(literals);\n      }\n      try {\n        // NOTE: This implementation is far from perfect, but already way better\n        // than not applying any compression.\n        //\n        // A better algorithm will try to choose a good predictor/filter and\n        // then choose a suitable zlib compression strategy (e.g. 3,Z_RLE).\n        //\n        // Node v0.11.12 zlib.deflateSync is introduced (and returns a Buffer).\n        // Node v3.0.0   Buffer inherits from Uint8Array.\n        // Node v8.0.0   zlib.deflateSync accepts Uint8Array as input.\n        let input;\n        // eslint-disable-next-line no-undef\n        if (parseInt(process.versions.node) >= 8) {\n          input = literals;\n        } else {\n          // eslint-disable-next-line no-undef\n          input = Buffer.from(literals);\n        }\n        const output = __non_webpack_require__(\"zlib\").deflateSync(input, {\n          level: 9,\n        });\n        return output instanceof Uint8Array ? output : new Uint8Array(output);\n      } catch (e) {\n        warn(\n          \"Not compressing PNG because zlib.deflateSync is unavailable: \" + e\n        );\n      }\n\n      return deflateSyncUncompressed(literals);\n    }\n\n    // An implementation of DEFLATE with compression level 0 (Z_NO_COMPRESSION).\n    function deflateSyncUncompressed(literals) {\n      let len = literals.length;\n      const maxBlockLength = 0xffff;\n\n      const deflateBlocks = Math.ceil(len / maxBlockLength);\n      const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);\n      let pi = 0;\n      idat[pi++] = 0x78; // compression method and flags\n      idat[pi++] = 0x9c; // flags\n\n      let pos = 0;\n      while (len > maxBlockLength) {\n        // writing non-final DEFLATE blocks type 0 and length of 65535\n        idat[pi++] = 0x00;\n        idat[pi++] = 0xff;\n        idat[pi++] = 0xff;\n        idat[pi++] = 0x00;\n        idat[pi++] = 0x00;\n        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);\n        pi += maxBlockLength;\n        pos += maxBlockLength;\n        len -= maxBlockLength;\n      }\n\n      // writing non-final DEFLATE blocks type 0\n      idat[pi++] = 0x01;\n      idat[pi++] = len & 0xff;\n      idat[pi++] = (len >> 8) & 0xff;\n      idat[pi++] = ~len & 0xffff & 0xff;\n      idat[pi++] = ((~len & 0xffff) >> 8) & 0xff;\n      idat.set(literals.subarray(pos), pi);\n      pi += literals.length - pos;\n\n      const adler = adler32(literals, 0, literals.length); // checksum\n      idat[pi++] = (adler >> 24) & 0xff;\n      idat[pi++] = (adler >> 16) & 0xff;\n      idat[pi++] = (adler >> 8) & 0xff;\n      idat[pi++] = adler & 0xff;\n      return idat;\n    }\n\n    function encode(imgData, kind, forceDataSchema, isMask) {\n      const width = imgData.width;\n      const height = imgData.height;\n      let bitDepth, colorType, lineSize;\n      const bytes = imgData.data;\n\n      switch (kind) {\n        case ImageKind.GRAYSCALE_1BPP:\n          colorType = 0;\n          bitDepth = 1;\n          lineSize = (width + 7) >> 3;\n          break;\n        case ImageKind.RGB_24BPP:\n          colorType = 2;\n          bitDepth = 8;\n          lineSize = width * 3;\n          break;\n        case ImageKind.RGBA_32BPP:\n          colorType = 6;\n          bitDepth = 8;\n          lineSize = width * 4;\n          break;\n        default:\n          throw new Error(\"invalid format\");\n      }\n\n      // prefix every row with predictor 0\n      const literals = new Uint8Array((1 + lineSize) * height);\n      let offsetLiterals = 0,\n        offsetBytes = 0;\n      for (let y = 0; y < height; ++y) {\n        literals[offsetLiterals++] = 0; // no prediction\n        literals.set(\n          bytes.subarray(offsetBytes, offsetBytes + lineSize),\n          offsetLiterals\n        );\n        offsetBytes += lineSize;\n        offsetLiterals += lineSize;\n      }\n\n      if (kind === ImageKind.GRAYSCALE_1BPP && isMask) {\n        // inverting for image masks\n        offsetLiterals = 0;\n        for (let y = 0; y < height; y++) {\n          offsetLiterals++; // skipping predictor\n          for (let i = 0; i < lineSize; i++) {\n            literals[offsetLiterals++] ^= 0xff;\n          }\n        }\n      }\n\n      const ihdr = new Uint8Array([\n        (width >> 24) & 0xff,\n        (width >> 16) & 0xff,\n        (width >> 8) & 0xff,\n        width & 0xff,\n        (height >> 24) & 0xff,\n        (height >> 16) & 0xff,\n        (height >> 8) & 0xff,\n        height & 0xff,\n        bitDepth, // bit depth\n        colorType, // color type\n        0x00, // compression method\n        0x00, // filter method\n        0x00, // interlace method\n      ]);\n      const idat = deflateSync(literals);\n\n      // PNG consists of: header, IHDR+data, IDAT+data, and IEND.\n      const pngLength =\n        PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;\n      const data = new Uint8Array(pngLength);\n      let offset = 0;\n      data.set(PNG_HEADER, offset);\n      offset += PNG_HEADER.length;\n      writePngChunk(\"IHDR\", ihdr, data, offset);\n      offset += CHUNK_WRAPPER_SIZE + ihdr.length;\n      writePngChunk(\"IDATA\", idat, data, offset);\n      offset += CHUNK_WRAPPER_SIZE + idat.length;\n      writePngChunk(\"IEND\", new Uint8Array(0), data, offset);\n\n      return createObjectURL(data, \"image/png\", forceDataSchema);\n    }\n\n    // eslint-disable-next-line no-shadow\n    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {\n      const kind =\n        imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;\n      return encode(imgData, kind, forceDataSchema, isMask);\n    };\n  })();\n\n  class SVGExtraState {\n    constructor() {\n      this.fontSizeScale = 1;\n      this.fontWeight = SVG_DEFAULTS.fontWeight;\n      this.fontSize = 0;\n\n      this.textMatrix = IDENTITY_MATRIX;\n      this.fontMatrix = FONT_IDENTITY_MATRIX;\n      this.leading = 0;\n      this.textRenderingMode = TextRenderingMode.FILL;\n      this.textMatrixScale = 1;\n\n      // Current point (in user coordinates)\n      this.x = 0;\n      this.y = 0;\n\n      // Start of text line (in text coordinates)\n      this.lineX = 0;\n      this.lineY = 0;\n\n      // Character and word spacing\n      this.charSpacing = 0;\n      this.wordSpacing = 0;\n      this.textHScale = 1;\n      this.textRise = 0;\n\n      // Default foreground and background colors\n      this.fillColor = SVG_DEFAULTS.fillColor;\n      this.strokeColor = \"#000000\";\n\n      this.fillAlpha = 1;\n      this.strokeAlpha = 1;\n      this.lineWidth = 1;\n      this.lineJoin = \"\";\n      this.lineCap = \"\";\n      this.miterLimit = 0;\n\n      this.dashArray = [];\n      this.dashPhase = 0;\n\n      this.dependencies = [];\n\n      // Clipping\n      this.activeClipUrl = null;\n      this.clipGroup = null;\n\n      this.maskId = \"\";\n    }\n\n    clone() {\n      return Object.create(this);\n    }\n\n    setCurrentPoint(x, y) {\n      this.x = x;\n      this.y = y;\n    }\n  }\n\n  // eslint-disable-next-line no-inner-declarations\n  function opListToTree(opList) {\n    let opTree = [];\n    const tmp = [];\n\n    for (const opListElement of opList) {\n      if (opListElement.fn === \"save\") {\n        opTree.push({ fnId: 92, fn: \"group\", items: [] });\n        tmp.push(opTree);\n        opTree = opTree[opTree.length - 1].items;\n        continue;\n      }\n\n      if (opListElement.fn === \"restore\") {\n        opTree = tmp.pop();\n      } else {\n        opTree.push(opListElement);\n      }\n    }\n    return opTree;\n  }\n\n  /**\n   * Format a float number as a string.\n   *\n   * @param value {number} - The float number to format.\n   * @returns {string}\n   */\n  // eslint-disable-next-line no-inner-declarations\n  function pf(value) {\n    if (Number.isInteger(value)) {\n      return value.toString();\n    }\n    const s = value.toFixed(10);\n    let i = s.length - 1;\n    if (s[i] !== \"0\") {\n      return s;\n    }\n\n    // Remove trailing zeros.\n    do {\n      i--;\n    } while (s[i] === \"0\");\n    return s.substring(0, s[i] === \".\" ? i : i + 1);\n  }\n\n  /**\n   * Format a transform matrix as a string. The standard rotation, scale and\n   * translation matrices are replaced by their shorter forms, and for\n   * identity matrices an empty string is returned to save memory.\n   *\n   * @param m {Array} - The transform matrix to format.\n   * @returns {string}\n   */\n  // eslint-disable-next-line no-inner-declarations\n  function pm(m) {\n    if (m[4] === 0 && m[5] === 0) {\n      if (m[1] === 0 && m[2] === 0) {\n        if (m[0] === 1 && m[3] === 1) {\n          return \"\";\n        }\n        return `scale(${pf(m[0])} ${pf(m[3])})`;\n      }\n      if (m[0] === m[3] && m[1] === -m[2]) {\n        const a = (Math.acos(m[0]) * 180) / Math.PI;\n        return `rotate(${pf(a)})`;\n      }\n    } else {\n      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {\n        return `translate(${pf(m[4])} ${pf(m[5])})`;\n      }\n    }\n    return (\n      `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` +\n      `${pf(m[5])})`\n    );\n  }\n\n  // The counts below are relevant for all pages, so they have to be global\n  // instead of being members of `SVGGraphics` (which is recreated for\n  // each page).\n  let clipCount = 0;\n  let maskCount = 0;\n  let shadingCount = 0;\n\n  // eslint-disable-next-line no-shadow\n  SVGGraphics = class SVGGraphics {\n    constructor(commonObjs, objs, forceDataSchema = false) {\n      this.svgFactory = new DOMSVGFactory();\n\n      this.current = new SVGExtraState();\n      this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix\n      this.transformStack = [];\n      this.extraStack = [];\n      this.commonObjs = commonObjs;\n      this.objs = objs;\n      this.pendingClip = null;\n      this.pendingEOFill = false;\n\n      this.embedFonts = false;\n      this.embeddedFonts = Object.create(null);\n      this.cssStyle = null;\n      this.forceDataSchema = !!forceDataSchema;\n\n      // In `src/shared/util.js` the operator names are mapped to IDs.\n      // The list below represents the reverse of that, i.e., it maps IDs\n      // to operator names.\n      this._operatorIdMapping = [];\n      for (const op in OPS) {\n        this._operatorIdMapping[OPS[op]] = op;\n      }\n    }\n\n    save() {\n      this.transformStack.push(this.transformMatrix);\n      const old = this.current;\n      this.extraStack.push(old);\n      this.current = old.clone();\n    }\n\n    restore() {\n      this.transformMatrix = this.transformStack.pop();\n      this.current = this.extraStack.pop();\n      this.pendingClip = null;\n      this.tgrp = null;\n    }\n\n    group(items) {\n      this.save();\n      this.executeOpTree(items);\n      this.restore();\n    }\n\n    loadDependencies(operatorList) {\n      const fnArray = operatorList.fnArray;\n      const argsArray = operatorList.argsArray;\n\n      for (let i = 0, ii = fnArray.length; i < ii; i++) {\n        if (fnArray[i] !== OPS.dependency) {\n          continue;\n        }\n\n        for (const obj of argsArray[i]) {\n          const objsPool = obj.startsWith(\"g_\") ? this.commonObjs : this.objs;\n          const promise = new Promise(resolve => {\n            objsPool.get(obj, resolve);\n          });\n          this.current.dependencies.push(promise);\n        }\n      }\n      return Promise.all(this.current.dependencies);\n    }\n\n    transform(a, b, c, d, e, f) {\n      const transformMatrix = [a, b, c, d, e, f];\n      this.transformMatrix = Util.transform(\n        this.transformMatrix,\n        transformMatrix\n      );\n      this.tgrp = null;\n    }\n\n    getSVG(operatorList, viewport) {\n      this.viewport = viewport;\n\n      const svgElement = this._initialize(viewport);\n      return this.loadDependencies(operatorList).then(() => {\n        this.transformMatrix = IDENTITY_MATRIX;\n        this.executeOpTree(this.convertOpList(operatorList));\n        return svgElement;\n      });\n    }\n\n    convertOpList(operatorList) {\n      const operatorIdMapping = this._operatorIdMapping;\n      const argsArray = operatorList.argsArray;\n      const fnArray = operatorList.fnArray;\n      const opList = [];\n      for (let i = 0, ii = fnArray.length; i < ii; i++) {\n        const fnId = fnArray[i];\n        opList.push({\n          fnId,\n          fn: operatorIdMapping[fnId],\n          args: argsArray[i],\n        });\n      }\n      return opListToTree(opList);\n    }\n\n    executeOpTree(opTree) {\n      for (const opTreeElement of opTree) {\n        const fn = opTreeElement.fn;\n        const fnId = opTreeElement.fnId;\n        const args = opTreeElement.args;\n\n        switch (fnId | 0) {\n          case OPS.beginText:\n            this.beginText();\n            break;\n          case OPS.dependency:\n            // Handled in `loadDependencies`, so no warning should be shown.\n            break;\n          case OPS.setLeading:\n            this.setLeading(args);\n            break;\n          case OPS.setLeadingMoveText:\n            this.setLeadingMoveText(args[0], args[1]);\n            break;\n          case OPS.setFont:\n            this.setFont(args);\n            break;\n          case OPS.showText:\n            this.showText(args[0]);\n            break;\n          case OPS.showSpacedText:\n            this.showText(args[0]);\n            break;\n          case OPS.endText:\n            this.endText();\n            break;\n          case OPS.moveText:\n            this.moveText(args[0], args[1]);\n            break;\n          case OPS.setCharSpacing:\n            this.setCharSpacing(args[0]);\n            break;\n          case OPS.setWordSpacing:\n            this.setWordSpacing(args[0]);\n            break;\n          case OPS.setHScale:\n            this.setHScale(args[0]);\n            break;\n          case OPS.setTextMatrix:\n            this.setTextMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.setTextRise:\n            this.setTextRise(args[0]);\n            break;\n          case OPS.setTextRenderingMode:\n            this.setTextRenderingMode(args[0]);\n            break;\n          case OPS.setLineWidth:\n            this.setLineWidth(args[0]);\n            break;\n          case OPS.setLineJoin:\n            this.setLineJoin(args[0]);\n            break;\n          case OPS.setLineCap:\n            this.setLineCap(args[0]);\n            break;\n          case OPS.setMiterLimit:\n            this.setMiterLimit(args[0]);\n            break;\n          case OPS.setFillRGBColor:\n            this.setFillRGBColor(args[0], args[1], args[2]);\n            break;\n          case OPS.setStrokeRGBColor:\n            this.setStrokeRGBColor(args[0], args[1], args[2]);\n            break;\n          case OPS.setStrokeColorN:\n            this.setStrokeColorN(args);\n            break;\n          case OPS.setFillColorN:\n            this.setFillColorN(args);\n            break;\n          case OPS.shadingFill:\n            this.shadingFill(args[0]);\n            break;\n          case OPS.setDash:\n            this.setDash(args[0], args[1]);\n            break;\n          case OPS.setRenderingIntent:\n            this.setRenderingIntent(args[0]);\n            break;\n          case OPS.setFlatness:\n            this.setFlatness(args[0]);\n            break;\n          case OPS.setGState:\n            this.setGState(args[0]);\n            break;\n          case OPS.fill:\n            this.fill();\n            break;\n          case OPS.eoFill:\n            this.eoFill();\n            break;\n          case OPS.stroke:\n            this.stroke();\n            break;\n          case OPS.fillStroke:\n            this.fillStroke();\n            break;\n          case OPS.eoFillStroke:\n            this.eoFillStroke();\n            break;\n          case OPS.clip:\n            this.clip(\"nonzero\");\n            break;\n          case OPS.eoClip:\n            this.clip(\"evenodd\");\n            break;\n          case OPS.paintSolidColorImageMask:\n            this.paintSolidColorImageMask();\n            break;\n          case OPS.paintImageXObject:\n            this.paintImageXObject(args[0]);\n            break;\n          case OPS.paintInlineImageXObject:\n            this.paintInlineImageXObject(args[0]);\n            break;\n          case OPS.paintImageMaskXObject:\n            this.paintImageMaskXObject(args[0]);\n            break;\n          case OPS.paintFormXObjectBegin:\n            this.paintFormXObjectBegin(args[0], args[1]);\n            break;\n          case OPS.paintFormXObjectEnd:\n            this.paintFormXObjectEnd();\n            break;\n          case OPS.closePath:\n            this.closePath();\n            break;\n          case OPS.closeStroke:\n            this.closeStroke();\n            break;\n          case OPS.closeFillStroke:\n            this.closeFillStroke();\n            break;\n          case OPS.closeEOFillStroke:\n            this.closeEOFillStroke();\n            break;\n          case OPS.nextLine:\n            this.nextLine();\n            break;\n          case OPS.transform:\n            this.transform(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.constructPath:\n            this.constructPath(args[0], args[1]);\n            break;\n          case OPS.endPath:\n            this.endPath();\n            break;\n          case 92:\n            this.group(opTreeElement.items);\n            break;\n          default:\n            warn(`Unimplemented operator ${fn}`);\n            break;\n        }\n      }\n    }\n\n    setWordSpacing(wordSpacing) {\n      this.current.wordSpacing = wordSpacing;\n    }\n\n    setCharSpacing(charSpacing) {\n      this.current.charSpacing = charSpacing;\n    }\n\n    nextLine() {\n      this.moveText(0, this.current.leading);\n    }\n\n    setTextMatrix(a, b, c, d, e, f) {\n      const current = this.current;\n      current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];\n      current.textMatrixScale = Math.sqrt(a * a + b * b);\n\n      current.x = current.lineX = 0;\n      current.y = current.lineY = 0;\n\n      current.xcoords = [];\n      current.ycoords = [];\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n\n      current.txtElement = this.svgFactory.createElement(\"svg:text\");\n      current.txtElement.appendChild(current.tspan);\n    }\n\n    beginText() {\n      const current = this.current;\n      current.x = current.lineX = 0;\n      current.y = current.lineY = 0;\n      current.textMatrix = IDENTITY_MATRIX;\n      current.lineMatrix = IDENTITY_MATRIX;\n      current.textMatrixScale = 1;\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.txtElement = this.svgFactory.createElement(\"svg:text\");\n      current.txtgrp = this.svgFactory.createElement(\"svg:g\");\n      current.xcoords = [];\n      current.ycoords = [];\n    }\n\n    moveText(x, y) {\n      const current = this.current;\n      current.x = current.lineX += x;\n      current.y = current.lineY += y;\n\n      current.xcoords = [];\n      current.ycoords = [];\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n    }\n\n    showText(glyphs) {\n      const current = this.current;\n      const font = current.font;\n      const fontSize = current.fontSize;\n      if (fontSize === 0) {\n        return;\n      }\n\n      const fontSizeScale = current.fontSizeScale;\n      const charSpacing = current.charSpacing;\n      const wordSpacing = current.wordSpacing;\n      const fontDirection = current.fontDirection;\n      const textHScale = current.textHScale * fontDirection;\n      const vertical = font.vertical;\n      const spacingDir = vertical ? 1 : -1;\n      const defaultVMetrics = font.defaultVMetrics;\n      const widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n      let x = 0;\n      for (const glyph of glyphs) {\n        if (glyph === null) {\n          // Word break\n          x += fontDirection * wordSpacing;\n          continue;\n        } else if (isNum(glyph)) {\n          x += (spacingDir * glyph * fontSize) / 1000;\n          continue;\n        }\n\n        const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        const character = glyph.fontChar;\n        let scaledX, scaledY;\n        let width = glyph.width;\n        if (vertical) {\n          let vx;\n          const vmetric = glyph.vmetric || defaultVMetrics;\n          vx = glyph.vmetric ? vmetric[1] : width * 0.5;\n          vx = -vx * widthAdvanceScale;\n          const vy = vmetric[2] * widthAdvanceScale;\n\n          width = vmetric ? -vmetric[0] : width;\n          scaledX = vx / fontSizeScale;\n          scaledY = (x + vy) / fontSizeScale;\n        } else {\n          scaledX = x / fontSizeScale;\n          scaledY = 0;\n        }\n\n        if (glyph.isInFont || font.missingFile) {\n          current.xcoords.push(current.x + scaledX);\n          if (vertical) {\n            current.ycoords.push(-current.y + scaledY);\n          }\n          current.tspan.textContent += character;\n        } else {\n          // TODO: To assist with text selection, we should replace the missing\n          // character with a space character if charWidth is not zero.\n          // But we cannot just do \"character = ' '\", because the ' ' character\n          // might actually map to a different glyph.\n        }\n\n        let charWidth;\n        if (vertical) {\n          charWidth = width * widthAdvanceScale - spacing * fontDirection;\n        } else {\n          charWidth = width * widthAdvanceScale + spacing * fontDirection;\n        }\n\n        x += charWidth;\n      }\n      current.tspan.setAttributeNS(\n        null,\n        \"x\",\n        current.xcoords.map(pf).join(\" \")\n      );\n      if (vertical) {\n        current.tspan.setAttributeNS(\n          null,\n          \"y\",\n          current.ycoords.map(pf).join(\" \")\n        );\n      } else {\n        current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n      }\n\n      if (vertical) {\n        current.y -= x;\n      } else {\n        current.x += x * textHScale;\n      }\n\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {\n        current.tspan.setAttributeNS(null, \"font-style\", current.fontStyle);\n      }\n      if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {\n        current.tspan.setAttributeNS(null, \"font-weight\", current.fontWeight);\n      }\n\n      const fillStrokeMode =\n        current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n      if (\n        fillStrokeMode === TextRenderingMode.FILL ||\n        fillStrokeMode === TextRenderingMode.FILL_STROKE\n      ) {\n        if (current.fillColor !== SVG_DEFAULTS.fillColor) {\n          current.tspan.setAttributeNS(null, \"fill\", current.fillColor);\n        }\n        if (current.fillAlpha < 1) {\n          current.tspan.setAttributeNS(null, \"fill-opacity\", current.fillAlpha);\n        }\n      } else if (current.textRenderingMode === TextRenderingMode.ADD_TO_PATH) {\n        // Workaround for Firefox: We must set fill=\"transparent\" because\n        // fill=\"none\" would generate an empty clipping path.\n        current.tspan.setAttributeNS(null, \"fill\", \"transparent\");\n      } else {\n        current.tspan.setAttributeNS(null, \"fill\", \"none\");\n      }\n\n      if (\n        fillStrokeMode === TextRenderingMode.STROKE ||\n        fillStrokeMode === TextRenderingMode.FILL_STROKE\n      ) {\n        const lineWidthScale = 1 / (current.textMatrixScale || 1);\n        this._setStrokeAttributes(current.tspan, lineWidthScale);\n      }\n\n      // Include the text rise in the text matrix since the `pm` function\n      // creates the SVG element's `translate` entry (work on a copy to avoid\n      // altering the original text matrix).\n      let textMatrix = current.textMatrix;\n      if (current.textRise !== 0) {\n        textMatrix = textMatrix.slice();\n        textMatrix[5] += current.textRise;\n      }\n\n      current.txtElement.setAttributeNS(\n        null,\n        \"transform\",\n        `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`\n      );\n      current.txtElement.setAttributeNS(XML_NS, \"xml:space\", \"preserve\");\n      current.txtElement.appendChild(current.tspan);\n      current.txtgrp.appendChild(current.txtElement);\n\n      this._ensureTransformGroup().appendChild(current.txtElement);\n    }\n\n    setLeadingMoveText(x, y) {\n      this.setLeading(-y);\n      this.moveText(x, y);\n    }\n\n    addFontStyle(fontObj) {\n      if (!fontObj.data) {\n        throw new Error(\n          \"addFontStyle: No font data available, \" +\n            'ensure that the \"fontExtraProperties\" API parameter is set.'\n        );\n      }\n      if (!this.cssStyle) {\n        this.cssStyle = this.svgFactory.createElement(\"svg:style\");\n        this.cssStyle.setAttributeNS(null, \"type\", \"text/css\");\n        this.defs.appendChild(this.cssStyle);\n      }\n\n      const url = createObjectURL(\n        fontObj.data,\n        fontObj.mimetype,\n        this.forceDataSchema\n      );\n      this.cssStyle.textContent +=\n        `@font-face { font-family: \"${fontObj.loadedName}\";` +\n        ` src: url(${url}); }\\n`;\n    }\n\n    setFont(details) {\n      const current = this.current;\n      const fontObj = this.commonObjs.get(details[0]);\n      let size = details[1];\n      current.font = fontObj;\n\n      if (\n        this.embedFonts &&\n        !fontObj.missingFile &&\n        !this.embeddedFonts[fontObj.loadedName]\n      ) {\n        this.addFontStyle(fontObj);\n        this.embeddedFonts[fontObj.loadedName] = fontObj;\n      }\n\n      current.fontMatrix = fontObj.fontMatrix\n        ? fontObj.fontMatrix\n        : FONT_IDENTITY_MATRIX;\n\n      let bold = \"normal\";\n      if (fontObj.black) {\n        bold = \"900\";\n      } else if (fontObj.bold) {\n        bold = \"bold\";\n      }\n      const italic = fontObj.italic ? \"italic\" : \"normal\";\n\n      if (size < 0) {\n        size = -size;\n        current.fontDirection = -1;\n      } else {\n        current.fontDirection = 1;\n      }\n      current.fontSize = size;\n      current.fontFamily = fontObj.loadedName;\n      current.fontWeight = bold;\n      current.fontStyle = italic;\n\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n      current.xcoords = [];\n      current.ycoords = [];\n    }\n\n    endText() {\n      const current = this.current;\n      if (\n        current.textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG &&\n        current.txtElement &&\n        current.txtElement.hasChildNodes()\n      ) {\n        // If no glyphs are shown (i.e. no child nodes), no clipping occurs.\n        current.element = current.txtElement;\n        this.clip(\"nonzero\");\n        this.endPath();\n      }\n    }\n\n    // Path properties\n    setLineWidth(width) {\n      if (width > 0) {\n        this.current.lineWidth = width;\n      }\n    }\n\n    setLineCap(style) {\n      this.current.lineCap = LINE_CAP_STYLES[style];\n    }\n\n    setLineJoin(style) {\n      this.current.lineJoin = LINE_JOIN_STYLES[style];\n    }\n\n    setMiterLimit(limit) {\n      this.current.miterLimit = limit;\n    }\n\n    setStrokeAlpha(strokeAlpha) {\n      this.current.strokeAlpha = strokeAlpha;\n    }\n\n    setStrokeRGBColor(r, g, b) {\n      this.current.strokeColor = Util.makeCssRgb(r, g, b);\n    }\n\n    setFillAlpha(fillAlpha) {\n      this.current.fillAlpha = fillAlpha;\n    }\n\n    setFillRGBColor(r, g, b) {\n      this.current.fillColor = Util.makeCssRgb(r, g, b);\n      this.current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      this.current.xcoords = [];\n      this.current.ycoords = [];\n    }\n\n    setStrokeColorN(args) {\n      this.current.strokeColor = this._makeColorN_Pattern(args);\n    }\n\n    setFillColorN(args) {\n      this.current.fillColor = this._makeColorN_Pattern(args);\n    }\n\n    shadingFill(args) {\n      const width = this.viewport.width;\n      const height = this.viewport.height;\n      const inv = Util.inverseTransform(this.transformMatrix);\n      const bl = Util.applyTransform([0, 0], inv);\n      const br = Util.applyTransform([0, height], inv);\n      const ul = Util.applyTransform([width, 0], inv);\n      const ur = Util.applyTransform([width, height], inv);\n      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);\n      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);\n      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);\n      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);\n\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", x0);\n      rect.setAttributeNS(null, \"y\", y0);\n      rect.setAttributeNS(null, \"width\", x1 - x0);\n      rect.setAttributeNS(null, \"height\", y1 - y0);\n      rect.setAttributeNS(null, \"fill\", this._makeShadingPattern(args));\n      if (this.current.fillAlpha < 1) {\n        rect.setAttributeNS(null, \"fill-opacity\", this.current.fillAlpha);\n      }\n      this._ensureTransformGroup().appendChild(rect);\n    }\n\n    /**\n     * @private\n     */\n    _makeColorN_Pattern(args) {\n      if (args[0] === \"TilingPattern\") {\n        return this._makeTilingPattern(args);\n      }\n      return this._makeShadingPattern(args);\n    }\n\n    /**\n     * @private\n     */\n    _makeTilingPattern(args) {\n      const color = args[1];\n      const operatorList = args[2];\n      const matrix = args[3] || IDENTITY_MATRIX;\n      const [x0, y0, x1, y1] = args[4];\n      const xstep = args[5];\n      const ystep = args[6];\n      const paintType = args[7];\n\n      const tilingId = `shading${shadingCount++}`;\n      const [tx0, ty0] = Util.applyTransform([x0, y0], matrix);\n      const [tx1, ty1] = Util.applyTransform([x1, y1], matrix);\n      const [xscale, yscale] = Util.singularValueDecompose2dScale(matrix);\n      const txstep = xstep * xscale;\n      const tystep = ystep * yscale;\n\n      const tiling = this.svgFactory.createElement(\"svg:pattern\");\n      tiling.setAttributeNS(null, \"id\", tilingId);\n      tiling.setAttributeNS(null, \"patternUnits\", \"userSpaceOnUse\");\n      tiling.setAttributeNS(null, \"width\", txstep);\n      tiling.setAttributeNS(null, \"height\", tystep);\n      tiling.setAttributeNS(null, \"x\", `${tx0}`);\n      tiling.setAttributeNS(null, \"y\", `${ty0}`);\n\n      // Save current state.\n      const svg = this.svg;\n      const transformMatrix = this.transformMatrix;\n      const fillColor = this.current.fillColor;\n      const strokeColor = this.current.strokeColor;\n\n      const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);\n      this.svg = bbox;\n      this.transformMatrix = matrix;\n      if (paintType === 2) {\n        const cssColor = Util.makeCssRgb(...color);\n        this.current.fillColor = cssColor;\n        this.current.strokeColor = cssColor;\n      }\n      this.executeOpTree(this.convertOpList(operatorList));\n\n      // Restore saved state.\n      this.svg = svg;\n      this.transformMatrix = transformMatrix;\n      this.current.fillColor = fillColor;\n      this.current.strokeColor = strokeColor;\n\n      tiling.appendChild(bbox.childNodes[0]);\n      this.defs.appendChild(tiling);\n      return `url(#${tilingId})`;\n    }\n\n    /**\n     * @private\n     */\n    _makeShadingPattern(args) {\n      switch (args[0]) {\n        case \"RadialAxial\":\n          const shadingId = `shading${shadingCount++}`;\n          const colorStops = args[3];\n          let gradient;\n\n          switch (args[1]) {\n            case \"axial\":\n              const point0 = args[4];\n              const point1 = args[5];\n              gradient = this.svgFactory.createElement(\"svg:linearGradient\");\n              gradient.setAttributeNS(null, \"id\", shadingId);\n              gradient.setAttributeNS(null, \"gradientUnits\", \"userSpaceOnUse\");\n              gradient.setAttributeNS(null, \"x1\", point0[0]);\n              gradient.setAttributeNS(null, \"y1\", point0[1]);\n              gradient.setAttributeNS(null, \"x2\", point1[0]);\n              gradient.setAttributeNS(null, \"y2\", point1[1]);\n              break;\n            case \"radial\":\n              const focalPoint = args[4];\n              const circlePoint = args[5];\n              const focalRadius = args[6];\n              const circleRadius = args[7];\n              gradient = this.svgFactory.createElement(\"svg:radialGradient\");\n              gradient.setAttributeNS(null, \"id\", shadingId);\n              gradient.setAttributeNS(null, \"gradientUnits\", \"userSpaceOnUse\");\n              gradient.setAttributeNS(null, \"cx\", circlePoint[0]);\n              gradient.setAttributeNS(null, \"cy\", circlePoint[1]);\n              gradient.setAttributeNS(null, \"r\", circleRadius);\n              gradient.setAttributeNS(null, \"fx\", focalPoint[0]);\n              gradient.setAttributeNS(null, \"fy\", focalPoint[1]);\n              gradient.setAttributeNS(null, \"fr\", focalRadius);\n              break;\n            default:\n              throw new Error(`Unknown RadialAxial type: ${args[1]}`);\n          }\n          for (const colorStop of colorStops) {\n            const stop = this.svgFactory.createElement(\"svg:stop\");\n            stop.setAttributeNS(null, \"offset\", colorStop[0]);\n            stop.setAttributeNS(null, \"stop-color\", colorStop[1]);\n            gradient.appendChild(stop);\n          }\n          this.defs.appendChild(gradient);\n          return `url(#${shadingId})`;\n        case \"Mesh\":\n          warn(\"Unimplemented pattern Mesh\");\n          return null;\n        case \"Dummy\":\n          return \"hotpink\";\n        default:\n          throw new Error(`Unknown IR type: ${args[0]}`);\n      }\n    }\n\n    setDash(dashArray, dashPhase) {\n      this.current.dashArray = dashArray;\n      this.current.dashPhase = dashPhase;\n    }\n\n    constructPath(ops, args) {\n      const current = this.current;\n      let x = current.x,\n        y = current.y;\n      let d = [];\n      let j = 0;\n\n      for (const op of ops) {\n        switch (op | 0) {\n          case OPS.rectangle:\n            x = args[j++];\n            y = args[j++];\n            const width = args[j++];\n            const height = args[j++];\n            const xw = x + width;\n            const yh = y + height;\n            d.push(\n              \"M\",\n              pf(x),\n              pf(y),\n              \"L\",\n              pf(xw),\n              pf(y),\n              \"L\",\n              pf(xw),\n              pf(yh),\n              \"L\",\n              pf(x),\n              pf(yh),\n              \"Z\"\n            );\n            break;\n          case OPS.moveTo:\n            x = args[j++];\n            y = args[j++];\n            d.push(\"M\", pf(x), pf(y));\n            break;\n          case OPS.lineTo:\n            x = args[j++];\n            y = args[j++];\n            d.push(\"L\", pf(x), pf(y));\n            break;\n          case OPS.curveTo:\n            x = args[j + 4];\n            y = args[j + 5];\n            d.push(\n              \"C\",\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(args[j + 2]),\n              pf(args[j + 3]),\n              pf(x),\n              pf(y)\n            );\n            j += 6;\n            break;\n          case OPS.curveTo2:\n            d.push(\n              \"C\",\n              pf(x),\n              pf(y),\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(args[j + 2]),\n              pf(args[j + 3])\n            );\n            x = args[j + 2];\n            y = args[j + 3];\n            j += 4;\n            break;\n          case OPS.curveTo3:\n            x = args[j + 2];\n            y = args[j + 3];\n            d.push(\n              \"C\",\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(x),\n              pf(y),\n              pf(x),\n              pf(y)\n            );\n            j += 4;\n            break;\n          case OPS.closePath:\n            d.push(\"Z\");\n            break;\n        }\n      }\n\n      d = d.join(\" \");\n\n      if (\n        current.path &&\n        ops.length > 0 &&\n        ops[0] !== OPS.rectangle &&\n        ops[0] !== OPS.moveTo\n      ) {\n        // If a path does not start with an OPS.rectangle or OPS.moveTo, it has\n        // probably been divided into two OPS.constructPath operators by\n        // OperatorList. Append the commands to the previous path element.\n        d = current.path.getAttributeNS(null, \"d\") + d;\n      } else {\n        current.path = this.svgFactory.createElement(\"svg:path\");\n        this._ensureTransformGroup().appendChild(current.path);\n      }\n\n      current.path.setAttributeNS(null, \"d\", d);\n      current.path.setAttributeNS(null, \"fill\", \"none\");\n\n      // Saving a reference in current.element so that it can be addressed\n      // in 'fill' and 'stroke'\n      current.element = current.path;\n      current.setCurrentPoint(x, y);\n    }\n\n    endPath() {\n      const current = this.current;\n\n      // Painting operators end a path.\n      current.path = null;\n\n      if (!this.pendingClip) {\n        return;\n      }\n      if (!current.element) {\n        this.pendingClip = null;\n        return;\n      }\n\n      // Add the current path to a clipping path.\n      const clipId = `clippath${clipCount++}`;\n      const clipPath = this.svgFactory.createElement(\"svg:clipPath\");\n      clipPath.setAttributeNS(null, \"id\", clipId);\n      clipPath.setAttributeNS(null, \"transform\", pm(this.transformMatrix));\n\n      // A deep clone is needed when text is used as a clipping path.\n      const clipElement = current.element.cloneNode(true);\n      if (this.pendingClip === \"evenodd\") {\n        clipElement.setAttributeNS(null, \"clip-rule\", \"evenodd\");\n      } else {\n        clipElement.setAttributeNS(null, \"clip-rule\", \"nonzero\");\n      }\n      this.pendingClip = null;\n      clipPath.appendChild(clipElement);\n      this.defs.appendChild(clipPath);\n\n      if (current.activeClipUrl) {\n        // The previous clipping group content can go out of order -- resetting\n        // cached clipGroups.\n        current.clipGroup = null;\n        this.extraStack.forEach(function (prev) {\n          prev.clipGroup = null;\n        });\n        // Intersect with the previous clipping path.\n        clipPath.setAttributeNS(null, \"clip-path\", current.activeClipUrl);\n      }\n      current.activeClipUrl = `url(#${clipId})`;\n\n      this.tgrp = null;\n    }\n\n    clip(type) {\n      this.pendingClip = type;\n    }\n\n    closePath() {\n      const current = this.current;\n      if (current.path) {\n        const d = `${current.path.getAttributeNS(null, \"d\")}Z`;\n        current.path.setAttributeNS(null, \"d\", d);\n      }\n    }\n\n    setLeading(leading) {\n      this.current.leading = -leading;\n    }\n\n    setTextRise(textRise) {\n      this.current.textRise = textRise;\n    }\n\n    setTextRenderingMode(textRenderingMode) {\n      this.current.textRenderingMode = textRenderingMode;\n    }\n\n    setHScale(scale) {\n      this.current.textHScale = scale / 100;\n    }\n\n    setRenderingIntent(intent) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    }\n\n    setFlatness(flatness) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    }\n\n    setGState(states) {\n      for (const [key, value] of states) {\n        switch (key) {\n          case \"LW\":\n            this.setLineWidth(value);\n            break;\n          case \"LC\":\n            this.setLineCap(value);\n            break;\n          case \"LJ\":\n            this.setLineJoin(value);\n            break;\n          case \"ML\":\n            this.setMiterLimit(value);\n            break;\n          case \"D\":\n            this.setDash(value[0], value[1]);\n            break;\n          case \"RI\":\n            this.setRenderingIntent(value);\n            break;\n          case \"FL\":\n            this.setFlatness(value);\n            break;\n          case \"Font\":\n            this.setFont(value);\n            break;\n          case \"CA\":\n            this.setStrokeAlpha(value);\n            break;\n          case \"ca\":\n            this.setFillAlpha(value);\n            break;\n          default:\n            warn(`Unimplemented graphic state operator ${key}`);\n            break;\n        }\n      }\n    }\n\n    fill() {\n      const current = this.current;\n      if (current.element) {\n        current.element.setAttributeNS(null, \"fill\", current.fillColor);\n        current.element.setAttributeNS(null, \"fill-opacity\", current.fillAlpha);\n        this.endPath();\n      }\n    }\n\n    stroke() {\n      const current = this.current;\n      if (current.element) {\n        this._setStrokeAttributes(current.element);\n        current.element.setAttributeNS(null, \"fill\", \"none\");\n        this.endPath();\n      }\n    }\n\n    /**\n     * @private\n     */\n    _setStrokeAttributes(element, lineWidthScale = 1) {\n      const current = this.current;\n      let dashArray = current.dashArray;\n      if (lineWidthScale !== 1 && dashArray.length > 0) {\n        dashArray = dashArray.map(function (value) {\n          return lineWidthScale * value;\n        });\n      }\n      element.setAttributeNS(null, \"stroke\", current.strokeColor);\n      element.setAttributeNS(null, \"stroke-opacity\", current.strokeAlpha);\n      element.setAttributeNS(null, \"stroke-miterlimit\", pf(current.miterLimit));\n      element.setAttributeNS(null, \"stroke-linecap\", current.lineCap);\n      element.setAttributeNS(null, \"stroke-linejoin\", current.lineJoin);\n      element.setAttributeNS(\n        null,\n        \"stroke-width\",\n        pf(lineWidthScale * current.lineWidth) + \"px\"\n      );\n      element.setAttributeNS(\n        null,\n        \"stroke-dasharray\",\n        dashArray.map(pf).join(\" \")\n      );\n      element.setAttributeNS(\n        null,\n        \"stroke-dashoffset\",\n        pf(lineWidthScale * current.dashPhase) + \"px\"\n      );\n    }\n\n    eoFill() {\n      if (this.current.element) {\n        this.current.element.setAttributeNS(null, \"fill-rule\", \"evenodd\");\n      }\n      this.fill();\n    }\n\n    fillStroke() {\n      // Order is important since stroke wants fill to be none.\n      // First stroke, then if fill needed, it will be overwritten.\n      this.stroke();\n      this.fill();\n    }\n\n    eoFillStroke() {\n      if (this.current.element) {\n        this.current.element.setAttributeNS(null, \"fill-rule\", \"evenodd\");\n      }\n      this.fillStroke();\n    }\n\n    closeStroke() {\n      this.closePath();\n      this.stroke();\n    }\n\n    closeFillStroke() {\n      this.closePath();\n      this.fillStroke();\n    }\n\n    closeEOFillStroke() {\n      this.closePath();\n      this.eoFillStroke();\n    }\n\n    paintSolidColorImageMask() {\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", \"0\");\n      rect.setAttributeNS(null, \"y\", \"0\");\n      rect.setAttributeNS(null, \"width\", \"1px\");\n      rect.setAttributeNS(null, \"height\", \"1px\");\n      rect.setAttributeNS(null, \"fill\", this.current.fillColor);\n\n      this._ensureTransformGroup().appendChild(rect);\n    }\n\n    paintImageXObject(objId) {\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(`Dependent image with object ID ${objId} is not ready yet`);\n        return;\n      }\n      this.paintInlineImageXObject(imgData);\n    }\n\n    paintInlineImageXObject(imgData, mask) {\n      const width = imgData.width;\n      const height = imgData.height;\n\n      const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);\n      const cliprect = this.svgFactory.createElement(\"svg:rect\");\n      cliprect.setAttributeNS(null, \"x\", \"0\");\n      cliprect.setAttributeNS(null, \"y\", \"0\");\n      cliprect.setAttributeNS(null, \"width\", pf(width));\n      cliprect.setAttributeNS(null, \"height\", pf(height));\n      this.current.element = cliprect;\n      this.clip(\"nonzero\");\n\n      const imgEl = this.svgFactory.createElement(\"svg:image\");\n      imgEl.setAttributeNS(XLINK_NS, \"xlink:href\", imgSrc);\n      imgEl.setAttributeNS(null, \"x\", \"0\");\n      imgEl.setAttributeNS(null, \"y\", pf(-height));\n      imgEl.setAttributeNS(null, \"width\", pf(width) + \"px\");\n      imgEl.setAttributeNS(null, \"height\", pf(height) + \"px\");\n      imgEl.setAttributeNS(\n        null,\n        \"transform\",\n        `scale(${pf(1 / width)} ${pf(-1 / height)})`\n      );\n      if (mask) {\n        mask.appendChild(imgEl);\n      } else {\n        this._ensureTransformGroup().appendChild(imgEl);\n      }\n    }\n\n    paintImageMaskXObject(imgData) {\n      const current = this.current;\n      const width = imgData.width;\n      const height = imgData.height;\n      const fillColor = current.fillColor;\n\n      current.maskId = `mask${maskCount++}`;\n      const mask = this.svgFactory.createElement(\"svg:mask\");\n      mask.setAttributeNS(null, \"id\", current.maskId);\n\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", \"0\");\n      rect.setAttributeNS(null, \"y\", \"0\");\n      rect.setAttributeNS(null, \"width\", pf(width));\n      rect.setAttributeNS(null, \"height\", pf(height));\n      rect.setAttributeNS(null, \"fill\", fillColor);\n      rect.setAttributeNS(null, \"mask\", `url(#${current.maskId})`);\n\n      this.defs.appendChild(mask);\n      this._ensureTransformGroup().appendChild(rect);\n\n      this.paintInlineImageXObject(imgData, mask);\n    }\n\n    paintFormXObjectBegin(matrix, bbox) {\n      if (Array.isArray(matrix) && matrix.length === 6) {\n        this.transform(\n          matrix[0],\n          matrix[1],\n          matrix[2],\n          matrix[3],\n          matrix[4],\n          matrix[5]\n        );\n      }\n\n      if (bbox) {\n        const width = bbox[2] - bbox[0];\n        const height = bbox[3] - bbox[1];\n\n        const cliprect = this.svgFactory.createElement(\"svg:rect\");\n        cliprect.setAttributeNS(null, \"x\", bbox[0]);\n        cliprect.setAttributeNS(null, \"y\", bbox[1]);\n        cliprect.setAttributeNS(null, \"width\", pf(width));\n        cliprect.setAttributeNS(null, \"height\", pf(height));\n        this.current.element = cliprect;\n        this.clip(\"nonzero\");\n        this.endPath();\n      }\n    }\n\n    paintFormXObjectEnd() {}\n\n    /**\n     * @private\n     */\n    _initialize(viewport) {\n      const svg = this.svgFactory.create(viewport.width, viewport.height);\n\n      // Create the definitions element.\n      const definitions = this.svgFactory.createElement(\"svg:defs\");\n      svg.appendChild(definitions);\n      this.defs = definitions;\n\n      // Create the root group element, which acts a container for all other\n      // groups and applies the viewport transform.\n      const rootGroup = this.svgFactory.createElement(\"svg:g\");\n      rootGroup.setAttributeNS(null, \"transform\", pm(viewport.transform));\n      svg.appendChild(rootGroup);\n\n      // For the construction of the SVG image we are only interested in the\n      // root group, so we expose it as the entry point of the SVG image for\n      // the other code in this class.\n      this.svg = rootGroup;\n\n      return svg;\n    }\n\n    /**\n     * @private\n     */\n    _ensureClipGroup() {\n      if (!this.current.clipGroup) {\n        const clipGroup = this.svgFactory.createElement(\"svg:g\");\n        clipGroup.setAttributeNS(null, \"clip-path\", this.current.activeClipUrl);\n        this.svg.appendChild(clipGroup);\n        this.current.clipGroup = clipGroup;\n      }\n      return this.current.clipGroup;\n    }\n\n    /**\n     * @private\n     */\n    _ensureTransformGroup() {\n      if (!this.tgrp) {\n        this.tgrp = this.svgFactory.createElement(\"svg:g\");\n        this.tgrp.setAttributeNS(null, \"transform\", pm(this.transformMatrix));\n        if (this.current.activeClipUrl) {\n          this._ensureClipGroup().appendChild(this.tgrp);\n        } else {\n          this.svg.appendChild(this.tgrp);\n        }\n      }\n      return this.tgrp;\n    }\n  };\n}\n\nexport { SVGGraphics };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n} from \"../shared/util.js\";\nimport {\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./node_stream.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nconst fs = __non_webpack_require__(\"fs\");\nconst http = __non_webpack_require__(\"http\");\nconst https = __non_webpack_require__(\"https\");\nconst url = __non_webpack_require__(\"url\");\n\nconst fileUriRegex = /^file:\\/\\/\\/[a-zA-Z]:\\//;\n\nfunction parseUrl(sourceUrl) {\n  const parsedUrl = url.parse(sourceUrl);\n  if (parsedUrl.protocol === \"file:\" || parsedUrl.host) {\n    return parsedUrl;\n  }\n  // Prepending 'file:///' to Windows absolute path.\n  if (/^[a-z]:[/\\\\]/i.test(sourceUrl)) {\n    return url.parse(`file:///${sourceUrl}`);\n  }\n  // Changes protocol to 'file:' if url refers to filesystem.\n  if (!parsedUrl.host) {\n    parsedUrl.protocol = \"file:\";\n  }\n  return parsedUrl;\n}\n\nclass PDFNodeStream {\n  constructor(source) {\n    this.source = source;\n    this.url = parseUrl(source.url);\n    this.isHttp =\n      this.url.protocol === \"http:\" || this.url.protocol === \"https:\";\n    // Check if url refers to filesystem.\n    this.isFsUrl = this.url.protocol === \"file:\";\n    this.httpHeaders = (this.isHttp && source.httpHeaders) || {};\n\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFNodeStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = this.isFsUrl\n      ? new PDFNodeStreamFsFullReader(this)\n      : new PDFNodeStreamFullReader(this);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(start, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const rangeReader = this.isFsUrl\n      ? new PDFNodeStreamFsRangeReader(this, start, end)\n      : new PDFNodeStreamRangeReader(this, start, end);\n    this._rangeRequestReaders.push(rangeReader);\n    return rangeReader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\nclass BaseFullReader {\n  constructor(stream) {\n    this._url = stream.url;\n    this._done = false;\n    this._storedError = null;\n    this.onProgress = null;\n    const source = stream.source;\n    this._contentLength = source.length; // optional\n    this._loaded = 0;\n    this._filename = null;\n\n    this._disableRange = source.disableRange || false;\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    this._isStreamingSupported = !source.disableStream;\n    this._isRangeSupported = !source.disableRange;\n\n    this._readableStream = null;\n    this._readCapability = createPromiseCapability();\n    this._headersCapability = createPromiseCapability();\n  }\n\n  get headersReady() {\n    return this._headersCapability.promise;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    if (this._storedError) {\n      throw this._storedError;\n    }\n\n    const chunk = this._readableStream.read();\n    if (chunk === null) {\n      this._readCapability = createPromiseCapability();\n      return this.read();\n    }\n    this._loaded += chunk.length;\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: this._loaded,\n        total: this._contentLength,\n      });\n    }\n    // Ensure that `read()` method returns ArrayBuffer.\n    const buffer = new Uint8Array(chunk).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    // Call `this._error()` method when cancel is called\n    // before _readableStream is set.\n    if (!this._readableStream) {\n      this._error(reason);\n      return;\n    }\n    this._readableStream.destroy(reason);\n  }\n\n  _error(reason) {\n    this._storedError = reason;\n    this._readCapability.resolve();\n  }\n\n  _setReadableStream(readableStream) {\n    this._readableStream = readableStream;\n    readableStream.on(\"readable\", () => {\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"end\", () => {\n      // Destroy readable to minimize resource usage.\n      readableStream.destroy();\n      this._done = true;\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"error\", reason => {\n      this._error(reason);\n    });\n\n    // We need to stop reading when range is supported and streaming is\n    // disabled.\n    if (!this._isStreamingSupported && this._isRangeSupported) {\n      this._error(new AbortException(\"streaming is disabled\"));\n    }\n\n    // Destroy ReadableStream if already in errored state.\n    if (this._storedError) {\n      this._readableStream.destroy(this._storedError);\n    }\n  }\n}\n\nclass BaseRangeReader {\n  constructor(stream) {\n    this._url = stream.url;\n    this._done = false;\n    this._storedError = null;\n    this.onProgress = null;\n    this._loaded = 0;\n    this._readableStream = null;\n    this._readCapability = createPromiseCapability();\n    const source = stream.source;\n    this._isStreamingSupported = !source.disableStream;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    if (this._storedError) {\n      throw this._storedError;\n    }\n\n    const chunk = this._readableStream.read();\n    if (chunk === null) {\n      this._readCapability = createPromiseCapability();\n      return this.read();\n    }\n    this._loaded += chunk.length;\n    if (this.onProgress) {\n      this.onProgress({ loaded: this._loaded });\n    }\n    // Ensure that `read()` method returns ArrayBuffer.\n    const buffer = new Uint8Array(chunk).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    // Call `this._error()` method when cancel is called\n    // before _readableStream is set.\n    if (!this._readableStream) {\n      this._error(reason);\n      return;\n    }\n    this._readableStream.destroy(reason);\n  }\n\n  _error(reason) {\n    this._storedError = reason;\n    this._readCapability.resolve();\n  }\n\n  _setReadableStream(readableStream) {\n    this._readableStream = readableStream;\n    readableStream.on(\"readable\", () => {\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"end\", () => {\n      // Destroy readableStream to minimize resource usage.\n      readableStream.destroy();\n      this._done = true;\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"error\", reason => {\n      this._error(reason);\n    });\n\n    // Destroy readableStream if already in errored state.\n    if (this._storedError) {\n      this._readableStream.destroy(this._storedError);\n    }\n  }\n}\n\nfunction createRequestOptions(parsedUrl, headers) {\n  return {\n    protocol: parsedUrl.protocol,\n    auth: parsedUrl.auth,\n    host: parsedUrl.hostname,\n    port: parsedUrl.port,\n    path: parsedUrl.path,\n    method: \"GET\",\n    headers,\n  };\n}\n\nclass PDFNodeStreamFullReader extends BaseFullReader {\n  constructor(stream) {\n    super(stream);\n\n    const handleResponse = response => {\n      if (response.statusCode === 404) {\n        const error = new MissingPDFException(`Missing PDF \"${this._url}\".`);\n        this._storedError = error;\n        this._headersCapability.reject(error);\n        return;\n      }\n      this._headersCapability.resolve();\n      this._setReadableStream(response);\n\n      const getResponseHeader = name => {\n        // Make sure that headers name are in lower case, as mentioned\n        // here: https://nodejs.org/api/http.html#http_message_headers.\n        return this._readableStream.headers[name.toLowerCase()];\n      };\n      const {\n        allowRangeRequests,\n        suggestedLength,\n      } = validateRangeRequestCapabilities({\n        getResponseHeader,\n        isHttp: stream.isHttp,\n        rangeChunkSize: this._rangeChunkSize,\n        disableRange: this._disableRange,\n      });\n\n      this._isRangeSupported = allowRangeRequests;\n      // Setting right content length.\n      this._contentLength = suggestedLength || this._contentLength;\n\n      this._filename = extractFilenameFromHeader(getResponseHeader);\n    };\n\n    this._request = null;\n    if (this._url.protocol === \"http:\") {\n      this._request = http.request(\n        createRequestOptions(this._url, stream.httpHeaders),\n        handleResponse\n      );\n    } else {\n      this._request = https.request(\n        createRequestOptions(this._url, stream.httpHeaders),\n        handleResponse\n      );\n    }\n\n    this._request.on(\"error\", reason => {\n      this._storedError = reason;\n      this._headersCapability.reject(reason);\n    });\n    // Note: `request.end(data)` is used to write `data` to request body\n    // and notify end of request. But one should always call `request.end()`\n    // even if there is no data to write -- (to notify the end of request).\n    this._request.end();\n  }\n}\n\nclass PDFNodeStreamRangeReader extends BaseRangeReader {\n  constructor(stream, start, end) {\n    super(stream);\n\n    this._httpHeaders = {};\n    for (const property in stream.httpHeaders) {\n      const value = stream.httpHeaders[property];\n      if (typeof value === \"undefined\") {\n        continue;\n      }\n      this._httpHeaders[property] = value;\n    }\n    this._httpHeaders.Range = `bytes=${start}-${end - 1}`;\n\n    const handleResponse = response => {\n      if (response.statusCode === 404) {\n        const error = new MissingPDFException(`Missing PDF \"${this._url}\".`);\n        this._storedError = error;\n        return;\n      }\n      this._setReadableStream(response);\n    };\n\n    this._request = null;\n    if (this._url.protocol === \"http:\") {\n      this._request = http.request(\n        createRequestOptions(this._url, this._httpHeaders),\n        handleResponse\n      );\n    } else {\n      this._request = https.request(\n        createRequestOptions(this._url, this._httpHeaders),\n        handleResponse\n      );\n    }\n\n    this._request.on(\"error\", reason => {\n      this._storedError = reason;\n    });\n    this._request.end();\n  }\n}\n\nclass PDFNodeStreamFsFullReader extends BaseFullReader {\n  constructor(stream) {\n    super(stream);\n\n    let path = decodeURIComponent(this._url.path);\n\n    // Remove the extra slash to get right path from url like `file:///C:/`\n    if (fileUriRegex.test(this._url.href)) {\n      path = path.replace(/^\\//, \"\");\n    }\n\n    fs.lstat(path, (error, stat) => {\n      if (error) {\n        if (error.code === \"ENOENT\") {\n          error = new MissingPDFException(`Missing PDF \"${path}\".`);\n        }\n        this._storedError = error;\n        this._headersCapability.reject(error);\n        return;\n      }\n      // Setting right content length.\n      this._contentLength = stat.size;\n\n      this._setReadableStream(fs.createReadStream(path));\n      this._headersCapability.resolve();\n    });\n  }\n}\n\nclass PDFNodeStreamFsRangeReader extends BaseRangeReader {\n  constructor(stream, start, end) {\n    super(stream);\n\n    let path = decodeURIComponent(this._url.path);\n\n    // Remove the extra slash to get right path from url like `file:///C:/`\n    if (fileUriRegex.test(this._url.href)) {\n      path = path.replace(/^\\//, \"\");\n    }\n\n    this._setReadableStream(fs.createReadStream(path, { start, end: end - 1 }));\n  }\n}\n\nexport { PDFNodeStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  MissingPDFException,\n  UnexpectedResponseException,\n} from \"../shared/util.js\";\nimport { getFilenameFromContentDispositionHeader } from \"./content_disposition.js\";\n\nfunction validateRangeRequestCapabilities({\n  getResponseHeader,\n  isHttp,\n  rangeChunkSize,\n  disableRange,\n}) {\n  assert(rangeChunkSize > 0, \"Range chunk size must be larger than zero\");\n  const returnValues = {\n    allowRangeRequests: false,\n    suggestedLength: undefined,\n  };\n\n  const length = parseInt(getResponseHeader(\"Content-Length\"), 10);\n  if (!Number.isInteger(length)) {\n    return returnValues;\n  }\n\n  returnValues.suggestedLength = length;\n\n  if (length <= 2 * rangeChunkSize) {\n    // The file size is smaller than the size of two chunks, so it does not\n    // make any sense to abort the request and retry with a range request.\n    return returnValues;\n  }\n\n  if (disableRange || !isHttp) {\n    return returnValues;\n  }\n  if (getResponseHeader(\"Accept-Ranges\") !== \"bytes\") {\n    return returnValues;\n  }\n\n  const contentEncoding = getResponseHeader(\"Content-Encoding\") || \"identity\";\n  if (contentEncoding !== \"identity\") {\n    return returnValues;\n  }\n\n  returnValues.allowRangeRequests = true;\n  return returnValues;\n}\n\nfunction extractFilenameFromHeader(getResponseHeader) {\n  const contentDisposition = getResponseHeader(\"Content-Disposition\");\n  if (contentDisposition) {\n    let filename = getFilenameFromContentDispositionHeader(contentDisposition);\n    if (filename.includes(\"%\")) {\n      try {\n        filename = decodeURIComponent(filename);\n      } catch (ex) {}\n    }\n    if (/\\.pdf$/i.test(filename)) {\n      return filename;\n    }\n  }\n  return null;\n}\n\nfunction createResponseStatusError(status, url) {\n  if (status === 404 || (status === 0 && url.startsWith(\"file:\"))) {\n    return new MissingPDFException('Missing PDF \"' + url + '\".');\n  }\n  return new UnexpectedResponseException(\n    \"Unexpected server response (\" +\n      status +\n      ') while retrieving PDF \"' +\n      url +\n      '\".',\n    status\n  );\n}\n\nfunction validateResponseStatus(status) {\n  return status === 200 || status === 206;\n}\n\nexport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n  validateResponseStatus,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// This getFilenameFromContentDispositionHeader function is adapted from\n// https://github.com/Rob--W/open-in-browser/blob/7e2e35a38b8b4e981b11da7b2f01df0149049e92/extension/content-disposition.js\n// with the following changes:\n// - Modified to conform to PDF.js's coding style.\n// - Support UTF-8 decoding when TextDecoder is unsupported.\n// - Move return to the end of the function to prevent Babel from dropping the\n//   function declarations.\n\n/**\n * Extract file name from the Content-Disposition HTTP response header.\n *\n * @param {string} contentDisposition\n * @returns {string} Filename, if found in the Content-Disposition header.\n */\nfunction getFilenameFromContentDispositionHeader(contentDisposition) {\n  let needsEncodingFixup = true;\n\n  // filename*=ext-value (\"ext-value\" from RFC 5987, referenced by RFC 6266).\n  let tmp = toParamRegExp(\"filename\\\\*\", \"i\").exec(contentDisposition);\n  if (tmp) {\n    tmp = tmp[1];\n    let filename = rfc2616unquote(tmp);\n    filename = unescape(filename);\n    filename = rfc5987decode(filename);\n    filename = rfc2047decode(filename);\n    return fixupEncoding(filename);\n  }\n\n  // Continuations (RFC 2231 section 3, referenced by RFC 5987 section 3.1).\n  // filename*n*=part\n  // filename*n=part\n  tmp = rfc2231getparam(contentDisposition);\n  if (tmp) {\n    // RFC 2047, section\n    const filename = rfc2047decode(tmp);\n    return fixupEncoding(filename);\n  }\n\n  // filename=value (RFC 5987, section 4.1).\n  tmp = toParamRegExp(\"filename\", \"i\").exec(contentDisposition);\n  if (tmp) {\n    tmp = tmp[1];\n    let filename = rfc2616unquote(tmp);\n    filename = rfc2047decode(filename);\n    return fixupEncoding(filename);\n  }\n\n  // After this line there are only function declarations. We cannot put\n  // \"return\" here for readability because babel would then drop the function\n  // declarations...\n  function toParamRegExp(attributePattern, flags) {\n    return new RegExp(\n      \"(?:^|;)\\\\s*\" +\n        attributePattern +\n        \"\\\\s*=\\\\s*\" +\n        // Captures: value = token | quoted-string\n        // (RFC 2616, section 3.6 and referenced by RFC 6266 4.1)\n        \"(\" +\n        '[^\";\\\\s][^;\\\\s]*' +\n        \"|\" +\n        '\"(?:[^\"\\\\\\\\]|\\\\\\\\\"?)+\"?' +\n        \")\",\n      flags\n    );\n  }\n  function textdecode(encoding, value) {\n    if (encoding) {\n      if (!/^[\\x00-\\xFF]+$/.test(value)) {\n        return value;\n      }\n      try {\n        const decoder = new TextDecoder(encoding, { fatal: true });\n        const bytes = Array.from(value, function (ch) {\n          return ch.charCodeAt(0) & 0xff;\n        });\n        value = decoder.decode(new Uint8Array(bytes));\n        needsEncodingFixup = false;\n      } catch (e) {\n        // TextDecoder constructor threw - unrecognized encoding.\n        // Or TextDecoder API is not available (in IE / Edge).\n        if (/^utf-?8$/i.test(encoding)) {\n          // UTF-8 is commonly used, try to support it in another way:\n          try {\n            value = decodeURIComponent(escape(value));\n            needsEncodingFixup = false;\n          } catch (err) {}\n        }\n      }\n    }\n    return value;\n  }\n  function fixupEncoding(value) {\n    if (needsEncodingFixup && /[\\x80-\\xff]/.test(value)) {\n      // Maybe multi-byte UTF-8.\n      value = textdecode(\"utf-8\", value);\n      if (needsEncodingFixup) {\n        // Try iso-8859-1 encoding.\n        value = textdecode(\"iso-8859-1\", value);\n      }\n    }\n    return value;\n  }\n  function rfc2231getparam(contentDispositionStr) {\n    const matches = [];\n    let match;\n    // Iterate over all filename*n= and filename*n*= with n being an integer\n    // of at least zero. Any non-zero number must not start with '0'.\n    const iter = toParamRegExp(\"filename\\\\*((?!0\\\\d)\\\\d+)(\\\\*?)\", \"ig\");\n    while ((match = iter.exec(contentDispositionStr)) !== null) {\n      let [, n, quot, part] = match; // eslint-disable-line prefer-const\n      n = parseInt(n, 10);\n      if (n in matches) {\n        // Ignore anything after the invalid second filename*0.\n        if (n === 0) {\n          break;\n        }\n        continue;\n      }\n      matches[n] = [quot, part];\n    }\n    const parts = [];\n    for (let n = 0; n < matches.length; ++n) {\n      if (!(n in matches)) {\n        // Numbers must be consecutive. Truncate when there is a hole.\n        break;\n      }\n      let [quot, part] = matches[n]; // eslint-disable-line prefer-const\n      part = rfc2616unquote(part);\n      if (quot) {\n        part = unescape(part);\n        if (n === 0) {\n          part = rfc5987decode(part);\n        }\n      }\n      parts.push(part);\n    }\n    return parts.join(\"\");\n  }\n  function rfc2616unquote(value) {\n    if (value.startsWith('\"')) {\n      const parts = value.slice(1).split('\\\\\"');\n      // Find the first unescaped \" and terminate there.\n      for (let i = 0; i < parts.length; ++i) {\n        const quotindex = parts[i].indexOf('\"');\n        if (quotindex !== -1) {\n          parts[i] = parts[i].slice(0, quotindex);\n          parts.length = i + 1; // Truncates and stop the iteration.\n        }\n        parts[i] = parts[i].replace(/\\\\(.)/g, \"$1\");\n      }\n      value = parts.join('\"');\n    }\n    return value;\n  }\n  function rfc5987decode(extvalue) {\n    // Decodes \"ext-value\" from RFC 5987.\n    const encodingend = extvalue.indexOf(\"'\");\n    if (encodingend === -1) {\n      // Some servers send \"filename*=\" without encoding 'language' prefix,\n      // e.g. in https://github.com/Rob--W/open-in-browser/issues/26\n      // Let's accept the value like Firefox (57) (Chrome 62 rejects it).\n      return extvalue;\n    }\n    const encoding = extvalue.slice(0, encodingend);\n    const langvalue = extvalue.slice(encodingend + 1);\n    // Ignore language (RFC 5987 section 3.2.1, and RFC 6266 section 4.1 ).\n    const value = langvalue.replace(/^[^']*'/, \"\");\n    return textdecode(encoding, value);\n  }\n  function rfc2047decode(value) {\n    // RFC 2047-decode the result. Firefox tried to drop support for it, but\n    // backed out because some servers use it - https://bugzil.la/875615\n    // Firefox's condition for decoding is here: https://searchfox.org/mozilla-central/rev/4a590a5a15e35d88a3b23dd6ac3c471cf85b04a8/netwerk/mime/nsMIMEHeaderParamImpl.cpp#742-748\n\n    // We are more strict and only recognize RFC 2047-encoding if the value\n    // starts with \"=?\", since then it is likely that the full value is\n    // RFC 2047-encoded.\n\n    // Firefox also decodes words even where RFC 2047 section 5 states:\n    // \"An 'encoded-word' MUST NOT appear within a 'quoted-string'.\"\n    if (!value.startsWith(\"=?\") || /[\\x00-\\x19\\x80-\\xff]/.test(value)) {\n      return value;\n    }\n    // RFC 2047, section 2.4\n    // encoded-word = \"=?\" charset \"?\" encoding \"?\" encoded-text \"?=\"\n    // charset = token (but let's restrict to characters that denote a\n    //       possibly valid encoding).\n    // encoding = q or b\n    // encoded-text = any printable ASCII character other than ? or space.\n    //        ... but Firefox permits ? and space.\n    return value.replace(\n      /=\\?([\\w-]*)\\?([QqBb])\\?((?:[^?]|\\?(?!=))*)\\?=/g,\n      function (matches, charset, encoding, text) {\n        if (encoding === \"q\" || encoding === \"Q\") {\n          // RFC 2047 section 4.2.\n          text = text.replace(/_/g, \" \");\n          text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {\n            return String.fromCharCode(parseInt(hex, 16));\n          });\n          return textdecode(charset, text);\n        } // else encoding is b or B - base64 (RFC 2047 section 4.1)\n        try {\n          text = atob(text);\n        } catch (e) {}\n        return textdecode(charset, text);\n      }\n    );\n  }\n\n  return \"\";\n}\n\nexport { getFilenameFromContentDispositionHeader };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  createPromiseCapability,\n  stringToBytes,\n} from \"../shared/util.js\";\nimport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./network.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nconst OK_RESPONSE = 200;\nconst PARTIAL_CONTENT_RESPONSE = 206;\n\nfunction getArrayBuffer(xhr) {\n  const data = xhr.response;\n  if (typeof data !== \"string\") {\n    return data;\n  }\n  const array = stringToBytes(data);\n  return array.buffer;\n}\n\nclass NetworkManager {\n  constructor(url, args) {\n    this.url = url;\n    args = args || {};\n    this.isHttp = /^https?:/i.test(url);\n    this.httpHeaders = (this.isHttp && args.httpHeaders) || {};\n    this.withCredentials = args.withCredentials || false;\n    this.getXhr =\n      args.getXhr ||\n      function NetworkManager_getXhr() {\n        return new XMLHttpRequest();\n      };\n\n    this.currXhrId = 0;\n    this.pendingRequests = Object.create(null);\n  }\n\n  requestRange(begin, end, listeners) {\n    const args = {\n      begin,\n      end,\n    };\n    for (const prop in listeners) {\n      args[prop] = listeners[prop];\n    }\n    return this.request(args);\n  }\n\n  requestFull(listeners) {\n    return this.request(listeners);\n  }\n\n  request(args) {\n    const xhr = this.getXhr();\n    const xhrId = this.currXhrId++;\n    const pendingRequest = (this.pendingRequests[xhrId] = {\n      xhr,\n    });\n\n    xhr.open(\"GET\", this.url);\n    xhr.withCredentials = this.withCredentials;\n    for (const property in this.httpHeaders) {\n      const value = this.httpHeaders[property];\n      if (typeof value === \"undefined\") {\n        continue;\n      }\n      xhr.setRequestHeader(property, value);\n    }\n    if (this.isHttp && \"begin\" in args && \"end\" in args) {\n      xhr.setRequestHeader(\"Range\", `bytes=${args.begin}-${args.end - 1}`);\n      pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;\n    } else {\n      pendingRequest.expectedStatus = OK_RESPONSE;\n    }\n    xhr.responseType = \"arraybuffer\";\n\n    if (args.onError) {\n      xhr.onerror = function (evt) {\n        args.onError(xhr.status);\n      };\n    }\n    xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);\n    xhr.onprogress = this.onProgress.bind(this, xhrId);\n\n    pendingRequest.onHeadersReceived = args.onHeadersReceived;\n    pendingRequest.onDone = args.onDone;\n    pendingRequest.onError = args.onError;\n    pendingRequest.onProgress = args.onProgress;\n\n    xhr.send(null);\n\n    return xhrId;\n  }\n\n  onProgress(xhrId, evt) {\n    const pendingRequest = this.pendingRequests[xhrId];\n    if (!pendingRequest) {\n      // Maybe abortRequest was called...\n      return;\n    }\n\n    if (pendingRequest.onProgress) {\n      pendingRequest.onProgress(evt);\n    }\n  }\n\n  onStateChange(xhrId, evt) {\n    const pendingRequest = this.pendingRequests[xhrId];\n    if (!pendingRequest) {\n      // Maybe abortRequest was called...\n      return;\n    }\n\n    const xhr = pendingRequest.xhr;\n    if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {\n      pendingRequest.onHeadersReceived();\n      delete pendingRequest.onHeadersReceived;\n    }\n\n    if (xhr.readyState !== 4) {\n      return;\n    }\n\n    if (!(xhrId in this.pendingRequests)) {\n      // The XHR request might have been aborted in onHeadersReceived()\n      // callback, in which case we should abort request.\n      return;\n    }\n\n    delete this.pendingRequests[xhrId];\n\n    // Success status == 0 can be on ftp, file and other protocols.\n    if (xhr.status === 0 && this.isHttp) {\n      if (pendingRequest.onError) {\n        pendingRequest.onError(xhr.status);\n      }\n      return;\n    }\n    const xhrStatus = xhr.status || OK_RESPONSE;\n\n    // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2:\n    // \"A server MAY ignore the Range header\". This means it's possible to\n    // get a 200 rather than a 206 response from a range request.\n    const ok_response_on_range_request =\n      xhrStatus === OK_RESPONSE &&\n      pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;\n\n    if (\n      !ok_response_on_range_request &&\n      xhrStatus !== pendingRequest.expectedStatus\n    ) {\n      if (pendingRequest.onError) {\n        pendingRequest.onError(xhr.status);\n      }\n      return;\n    }\n\n    const chunk = getArrayBuffer(xhr);\n    if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {\n      const rangeHeader = xhr.getResponseHeader(\"Content-Range\");\n      const matches = /bytes (\\d+)-(\\d+)\\/(\\d+)/.exec(rangeHeader);\n      pendingRequest.onDone({\n        begin: parseInt(matches[1], 10),\n        chunk,\n      });\n    } else if (chunk) {\n      pendingRequest.onDone({\n        begin: 0,\n        chunk,\n      });\n    } else if (pendingRequest.onError) {\n      pendingRequest.onError(xhr.status);\n    }\n  }\n\n  getRequestXhr(xhrId) {\n    return this.pendingRequests[xhrId].xhr;\n  }\n\n  isPendingRequest(xhrId) {\n    return xhrId in this.pendingRequests;\n  }\n\n  abortRequest(xhrId) {\n    const xhr = this.pendingRequests[xhrId].xhr;\n    delete this.pendingRequests[xhrId];\n    xhr.abort();\n  }\n}\n\n/** @implements {IPDFStream} */\nclass PDFNetworkStream {\n  constructor(source) {\n    this._source = source;\n    this._manager = new NetworkManager(source.url, {\n      httpHeaders: source.httpHeaders,\n      withCredentials: source.withCredentials,\n    });\n    this._rangeChunkSize = source.rangeChunkSize;\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  _onRangeRequestReaderClosed(reader) {\n    const i = this._rangeRequestReaders.indexOf(reader);\n    if (i >= 0) {\n      this._rangeRequestReaders.splice(i, 1);\n    }\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFNetworkStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFNetworkStreamFullRequestReader(\n      this._manager,\n      this._source\n    );\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    const reader = new PDFNetworkStreamRangeRequestReader(\n      this._manager,\n      begin,\n      end\n    );\n    reader.onClosed = this._onRangeRequestReaderClosed.bind(this);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFNetworkStreamFullRequestReader {\n  constructor(manager, source) {\n    this._manager = manager;\n\n    const args = {\n      onHeadersReceived: this._onHeadersReceived.bind(this),\n      onDone: this._onDone.bind(this),\n      onError: this._onError.bind(this),\n      onProgress: this._onProgress.bind(this),\n    };\n    this._url = source.url;\n    this._fullRequestId = manager.requestFull(args);\n    this._headersReceivedCapability = createPromiseCapability();\n    this._disableRange = source.disableRange || false;\n    this._contentLength = source.length; // Optional\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    this._isStreamingSupported = false;\n    this._isRangeSupported = false;\n\n    this._cachedChunks = [];\n    this._requests = [];\n    this._done = false;\n    this._storedError = undefined;\n    this._filename = null;\n\n    this.onProgress = null;\n  }\n\n  _onHeadersReceived() {\n    const fullRequestXhrId = this._fullRequestId;\n    const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);\n\n    const getResponseHeader = name => {\n      return fullRequestXhr.getResponseHeader(name);\n    };\n    const {\n      allowRangeRequests,\n      suggestedLength,\n    } = validateRangeRequestCapabilities({\n      getResponseHeader,\n      isHttp: this._manager.isHttp,\n      rangeChunkSize: this._rangeChunkSize,\n      disableRange: this._disableRange,\n    });\n\n    if (allowRangeRequests) {\n      this._isRangeSupported = true;\n    }\n    // Setting right content length.\n    this._contentLength = suggestedLength || this._contentLength;\n\n    this._filename = extractFilenameFromHeader(getResponseHeader);\n\n    if (this._isRangeSupported) {\n      // NOTE: by cancelling the full request, and then issuing range\n      // requests, there will be an issue for sites where you can only\n      // request the pdf once. However, if this is the case, then the\n      // server should not be returning that it can support range requests.\n      this._manager.abortRequest(fullRequestXhrId);\n    }\n\n    this._headersReceivedCapability.resolve();\n  }\n\n  _onDone(args) {\n    if (args) {\n      if (this._requests.length > 0) {\n        const requestCapability = this._requests.shift();\n        requestCapability.resolve({ value: args.chunk, done: false });\n      } else {\n        this._cachedChunks.push(args.chunk);\n      }\n    }\n    this._done = true;\n    if (this._cachedChunks.length > 0) {\n      return;\n    }\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n  }\n\n  _onError(status) {\n    const url = this._url;\n    const exception = createResponseStatusError(status, url);\n    this._storedError = exception;\n    this._headersReceivedCapability.reject(exception);\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.reject(exception);\n    });\n    this._requests = [];\n    this._cachedChunks = [];\n  }\n\n  _onProgress(data) {\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: data.loaded,\n        total: data.lengthComputable ? data.total : this._contentLength,\n      });\n    }\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get headersReady() {\n    return this._headersReceivedCapability.promise;\n  }\n\n  async read() {\n    if (this._storedError) {\n      throw this._storedError;\n    }\n    if (this._cachedChunks.length > 0) {\n      const chunk = this._cachedChunks.shift();\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._headersReceivedCapability.reject(reason);\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    if (this._manager.isPendingRequest(this._fullRequestId)) {\n      this._manager.abortRequest(this._fullRequestId);\n    }\n    this._fullRequestReader = null;\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFNetworkStreamRangeRequestReader {\n  constructor(manager, begin, end) {\n    this._manager = manager;\n    const args = {\n      onDone: this._onDone.bind(this),\n      onProgress: this._onProgress.bind(this),\n    };\n    this._requestId = manager.requestRange(begin, end, args);\n    this._requests = [];\n    this._queuedChunk = null;\n    this._done = false;\n\n    this.onProgress = null;\n    this.onClosed = null;\n  }\n\n  _close() {\n    if (this.onClosed) {\n      this.onClosed(this);\n    }\n  }\n\n  _onDone(data) {\n    const chunk = data.chunk;\n    if (this._requests.length > 0) {\n      const requestCapability = this._requests.shift();\n      requestCapability.resolve({ value: chunk, done: false });\n    } else {\n      this._queuedChunk = chunk;\n    }\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    this._close();\n  }\n\n  _onProgress(evt) {\n    if (!this.isStreamingSupported && this.onProgress) {\n      this.onProgress({\n        loaded: evt.loaded,\n      });\n    }\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    if (this._queuedChunk !== null) {\n      const chunk = this._queuedChunk;\n      this._queuedChunk = null;\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    if (this._manager.isPendingRequest(this._requestId)) {\n      this._manager.abortRequest(this._requestId);\n    }\n    this._close();\n  }\n}\n\nexport { PDFNetworkStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n} from \"../shared/util.js\";\nimport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n  validateResponseStatus,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./fetch_stream.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nfunction createFetchOptions(headers, withCredentials, abortController) {\n  return {\n    method: \"GET\",\n    headers,\n    signal: abortController && abortController.signal,\n    mode: \"cors\",\n    credentials: withCredentials ? \"include\" : \"same-origin\",\n    redirect: \"follow\",\n  };\n}\n\nfunction createHeaders(httpHeaders) {\n  const headers = new Headers();\n  for (const property in httpHeaders) {\n    const value = httpHeaders[property];\n    if (typeof value === \"undefined\") {\n      continue;\n    }\n    headers.append(property, value);\n  }\n  return headers;\n}\n\n/** @implements {IPDFStream} */\nclass PDFFetchStream {\n  constructor(source) {\n    this.source = source;\n    this.isHttp = /^https?:/i.test(source.url);\n    this.httpHeaders = (this.isHttp && source.httpHeaders) || {};\n\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFFetchStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFFetchStreamReader(this);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const reader = new PDFFetchStreamRangeReader(this, begin, end);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFFetchStreamReader {\n  constructor(stream) {\n    this._stream = stream;\n    this._reader = null;\n    this._loaded = 0;\n    this._filename = null;\n    const source = stream.source;\n    this._withCredentials = source.withCredentials || false;\n    this._contentLength = source.length;\n    this._headersCapability = createPromiseCapability();\n    this._disableRange = source.disableRange || false;\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    if (typeof AbortController !== \"undefined\") {\n      this._abortController = new AbortController();\n    }\n    this._isStreamingSupported = !source.disableStream;\n    this._isRangeSupported = !source.disableRange;\n\n    this._headers = createHeaders(this._stream.httpHeaders);\n\n    const url = source.url;\n    fetch(\n      url,\n      createFetchOptions(\n        this._headers,\n        this._withCredentials,\n        this._abortController\n      )\n    )\n      .then(response => {\n        if (!validateResponseStatus(response.status)) {\n          throw createResponseStatusError(response.status, url);\n        }\n        this._reader = response.body.getReader();\n        this._headersCapability.resolve();\n\n        const getResponseHeader = name => {\n          return response.headers.get(name);\n        };\n        const {\n          allowRangeRequests,\n          suggestedLength,\n        } = validateRangeRequestCapabilities({\n          getResponseHeader,\n          isHttp: this._stream.isHttp,\n          rangeChunkSize: this._rangeChunkSize,\n          disableRange: this._disableRange,\n        });\n\n        this._isRangeSupported = allowRangeRequests;\n        // Setting right content length.\n        this._contentLength = suggestedLength || this._contentLength;\n\n        this._filename = extractFilenameFromHeader(getResponseHeader);\n\n        // We need to stop reading when range is supported and streaming is\n        // disabled.\n        if (!this._isStreamingSupported && this._isRangeSupported) {\n          this.cancel(new AbortException(\"Streaming is disabled.\"));\n        }\n      })\n      .catch(this._headersCapability.reject);\n\n    this.onProgress = null;\n  }\n\n  get headersReady() {\n    return this._headersCapability.promise;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._headersCapability.promise;\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value, done };\n    }\n    this._loaded += value.byteLength;\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: this._loaded,\n        total: this._contentLength,\n      });\n    }\n    const buffer = new Uint8Array(value).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    if (this._reader) {\n      this._reader.cancel(reason);\n    }\n    if (this._abortController) {\n      this._abortController.abort();\n    }\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFFetchStreamRangeReader {\n  constructor(stream, begin, end) {\n    this._stream = stream;\n    this._reader = null;\n    this._loaded = 0;\n    const source = stream.source;\n    this._withCredentials = source.withCredentials || false;\n    this._readCapability = createPromiseCapability();\n    this._isStreamingSupported = !source.disableStream;\n\n    if (typeof AbortController !== \"undefined\") {\n      this._abortController = new AbortController();\n    }\n\n    this._headers = createHeaders(this._stream.httpHeaders);\n    this._headers.append(\"Range\", `bytes=${begin}-${end - 1}`);\n\n    const url = source.url;\n    fetch(\n      url,\n      createFetchOptions(\n        this._headers,\n        this._withCredentials,\n        this._abortController\n      )\n    )\n      .then(response => {\n        if (!validateResponseStatus(response.status)) {\n          throw createResponseStatusError(response.status, url);\n        }\n        this._readCapability.resolve();\n        this._reader = response.body.getReader();\n      })\n      .catch(reason => {\n        if (reason && reason.name === \"AbortError\") {\n          return;\n        }\n        throw reason;\n      });\n\n    this.onProgress = null;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value, done };\n    }\n    this._loaded += value.byteLength;\n    if (this.onProgress) {\n      this.onProgress({ loaded: this._loaded });\n    }\n    const buffer = new Uint8Array(value).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    if (this._reader) {\n      this._reader.cancel(reason);\n    }\n    if (this._abortController) {\n      this._abortController.abort();\n    }\n  }\n}\n\nexport { PDFFetchStream };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.min.js b/node_modules/pdfjs-dist/build/pdf.min.js
new file mode 100644
index 00000000..c0952789
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf",[],t):"object"==typeof exports?exports["pdfjs-dist/build/pdf"]=t():e["pdfjs-dist/build/pdf"]=e.pdfjsLib=t()}(this,(function(){return function(e){var t={};function __w_pdfjs_require__(r){if(t[r])return t[r].exports;var n=t[r]={i:r,l:!1,exports:{}};e[r].call(n.exports,n,n.exports,__w_pdfjs_require__);n.l=!0;return n.exports}__w_pdfjs_require__.m=e;__w_pdfjs_require__.c=t;__w_pdfjs_require__.d=function(e,t,r){__w_pdfjs_require__.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})};__w_pdfjs_require__.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"});Object.defineProperty(e,"__esModule",{value:!0})};__w_pdfjs_require__.t=function(e,t){1&t&&(e=__w_pdfjs_require__(e));if(8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);__w_pdfjs_require__.r(r);Object.defineProperty(r,"default",{enumerable:!0,value:e});if(2&t&&"string"!=typeof e)for(var n in e)__w_pdfjs_require__.d(r,n,function(t){return e[t]}.bind(null,n));return r};__w_pdfjs_require__.n=function(e){var t=e&&e.__esModule?function getDefault(){return e.default}:function getModuleExports(){return e};__w_pdfjs_require__.d(t,"a",t);return t};__w_pdfjs_require__.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};__w_pdfjs_require__.p="";return __w_pdfjs_require__(__w_pdfjs_require__.s=0)}([function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});Object.defineProperty(t,"addLinkAttributes",{enumerable:!0,get:function(){return n.addLinkAttributes}});Object.defineProperty(t,"getFilenameFromUrl",{enumerable:!0,get:function(){return n.getFilenameFromUrl}});Object.defineProperty(t,"LinkTarget",{enumerable:!0,get:function(){return n.LinkTarget}});Object.defineProperty(t,"loadScript",{enumerable:!0,get:function(){return n.loadScript}});Object.defineProperty(t,"PDFDateString",{enumerable:!0,get:function(){return n.PDFDateString}});Object.defineProperty(t,"RenderingCancelledException",{enumerable:!0,get:function(){return n.RenderingCancelledException}});Object.defineProperty(t,"build",{enumerable:!0,get:function(){return s.build}});Object.defineProperty(t,"getDocument",{enumerable:!0,get:function(){return s.getDocument}});Object.defineProperty(t,"LoopbackPort",{enumerable:!0,get:function(){return s.LoopbackPort}});Object.defineProperty(t,"PDFDataRangeTransport",{enumerable:!0,get:function(){return s.PDFDataRangeTransport}});Object.defineProperty(t,"PDFWorker",{enumerable:!0,get:function(){return s.PDFWorker}});Object.defineProperty(t,"version",{enumerable:!0,get:function(){return s.version}});Object.defineProperty(t,"CMapCompressionType",{enumerable:!0,get:function(){return a.CMapCompressionType}});Object.defineProperty(t,"createObjectURL",{enumerable:!0,get:function(){return a.createObjectURL}});Object.defineProperty(t,"createPromiseCapability",{enumerable:!0,get:function(){return a.createPromiseCapability}});Object.defineProperty(t,"createValidAbsoluteUrl",{enumerable:!0,get:function(){return a.createValidAbsoluteUrl}});Object.defineProperty(t,"InvalidPDFException",{enumerable:!0,get:function(){return a.InvalidPDFException}});Object.defineProperty(t,"MissingPDFException",{enumerable:!0,get:function(){return a.MissingPDFException}});Object.defineProperty(t,"OPS",{enumerable:!0,get:function(){return a.OPS}});Object.defineProperty(t,"PasswordResponses",{enumerable:!0,get:function(){return a.PasswordResponses}});Object.defineProperty(t,"PermissionFlag",{enumerable:!0,get:function(){return a.PermissionFlag}});Object.defineProperty(t,"removeNullCharacters",{enumerable:!0,get:function(){return a.removeNullCharacters}});Object.defineProperty(t,"shadow",{enumerable:!0,get:function(){return a.shadow}});Object.defineProperty(t,"UnexpectedResponseException",{enumerable:!0,get:function(){return a.UnexpectedResponseException}});Object.defineProperty(t,"UNSUPPORTED_FEATURES",{enumerable:!0,get:function(){return a.UNSUPPORTED_FEATURES}});Object.defineProperty(t,"Util",{enumerable:!0,get:function(){return a.Util}});Object.defineProperty(t,"VerbosityLevel",{enumerable:!0,get:function(){return a.VerbosityLevel}});Object.defineProperty(t,"AnnotationLayer",{enumerable:!0,get:function(){return i.AnnotationLayer}});Object.defineProperty(t,"apiCompatibilityParams",{enumerable:!0,get:function(){return o.apiCompatibilityParams}});Object.defineProperty(t,"GlobalWorkerOptions",{enumerable:!0,get:function(){return l.GlobalWorkerOptions}});Object.defineProperty(t,"renderTextLayer",{enumerable:!0,get:function(){return 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a.TOP:l="_top"}e.target=l;e.rel="string"==typeof s?s:"noopener noreferrer nofollow"};t.getFilenameFromUrl=function getFilenameFromUrl(e){const t=e.indexOf("#"),r=e.indexOf("?"),n=Math.min(t>0?t:e.length,r>0?r:e.length);return e.substring(e.lastIndexOf("/",n)+1,n)};t.isFetchSupported=isFetchSupported;t.isValidFetchUrl=isValidFetchUrl;t.loadScript=function loadScript(e){return new Promise((t,r)=>{const n=document.createElement("script");n.src=e;n.onload=t;n.onerror=function(){r(new Error("Cannot load script at: "+n.src))};(document.head||document.documentElement).appendChild(n)})};t.deprecated=function deprecated(e){console.log("Deprecated API usage: "+e)};t.PDFDateString=t.StatTimer=t.DOMSVGFactory=t.DOMCMapReaderFactory=t.BaseCMapReaderFactory=t.DOMCanvasFactory=t.BaseCanvasFactory=t.DEFAULT_LINK_REL=t.LinkTarget=t.RenderingCancelledException=t.PageViewport=void 0;var n=r(2);t.DEFAULT_LINK_REL="noopener noreferrer nofollow";const s="http://www.w3.org/2000/svg";class BaseCanvasFactory{constructor(){this.constructor===BaseCanvasFactory&&(0,n.unreachable)("Cannot initialize BaseCanvasFactory.")}create(e,t){(0,n.unreachable)("Abstract method `create` called.")}reset(e,t,r){if(!e.canvas)throw new Error("Canvas is not specified");if(t<=0||r<=0)throw new Error("Invalid canvas size");e.canvas.width=t;e.canvas.height=r}destroy(e){if(!e.canvas)throw new Error("Canvas is not specified");e.canvas.width=0;e.canvas.height=0;e.canvas=null;e.context=null}}t.BaseCanvasFactory=BaseCanvasFactory;t.DOMCanvasFactory=class DOMCanvasFactory extends BaseCanvasFactory{constructor({ownerDocument:e=globalThis.document}={}){super();this._document=e}create(e,t){if(e<=0||t<=0)throw new Error("Invalid canvas size");const r=this._document.createElement("canvas"),n=r.getContext("2d");r.width=e;r.height=t;return{canvas:r,context:n}}};class BaseCMapReaderFactory{constructor({baseUrl:e=null,isCompressed:t=!1}){this.constructor===BaseCMapReaderFactory&&(0,n.unreachable)("Cannot initialize BaseCMapReaderFactory.");this.baseUrl=e;this.isCompressed=t}async fetch({name:e}){if(!this.baseUrl)throw new Error('The CMap "baseUrl" parameter must be specified, ensure that the "cMapUrl" and "cMapPacked" API parameters are provided.');if(!e)throw new Error("CMap name must be specified.");const t=this.baseUrl+e+(this.isCompressed?".bcmap":""),r=this.isCompressed?n.CMapCompressionType.BINARY:n.CMapCompressionType.NONE;return this._fetchData(t,r).catch(e=>{throw new Error(`Unable to load ${this.isCompressed?"binary ":""}CMap at: ${t}`)})}_fetchData(e,t){(0,n.unreachable)("Abstract method `_fetchData` called.")}}t.BaseCMapReaderFactory=BaseCMapReaderFactory;t.DOMCMapReaderFactory=class DOMCMapReaderFactory extends BaseCMapReaderFactory{_fetchData(e,t){return isFetchSupported()&&isValidFetchUrl(e,document.baseURI)?fetch(e).then(async e=>{if(!e.ok)throw new Error(e.statusText);let r;r=this.isCompressed?new Uint8Array(await e.arrayBuffer()):(0,n.stringToBytes)(await e.text());return{cMapData:r,compressionType:t}}):new Promise((r,s)=>{const a=new XMLHttpRequest;a.open("GET",e,!0);this.isCompressed&&(a.responseType="arraybuffer");a.onreadystatechange=()=>{if(a.readyState===XMLHttpRequest.DONE){if(200===a.status||0===a.status){let e;this.isCompressed&&a.response?e=new Uint8Array(a.response):!this.isCompressed&&a.responseText&&(e=(0,n.stringToBytes)(a.responseText));if(e){r({cMapData:e,compressionType:t});return}}s(new Error(a.statusText))}};a.send(null)})}};t.DOMSVGFactory=class DOMSVGFactory{create(e,t){(0,n.assert)(e>0&&t>0,"Invalid SVG dimensions");const r=document.createElementNS(s,"svg:svg");r.setAttribute("version","1.1");r.setAttribute("width",e+"px");r.setAttribute("height",t+"px");r.setAttribute("preserveAspectRatio","none");r.setAttribute("viewBox","0 0 "+e+" "+t);return r}createElement(e){(0,n.assert)("string"==typeof e,"Invalid SVG element type");return document.createElementNS(s,e)}};class PageViewport{constructor({viewBox:e,scale:t,rotation:r,offsetX:n=0,offsetY:s=0,dontFlip:a=!1}){this.viewBox=e;this.scale=t;this.rotation=r;this.offsetX=n;this.offsetY=s;const i=(e[2]+e[0])/2,o=(e[3]+e[1])/2;let l,c,h,d,u,p,f,g;switch(r=(r%=360)<0?r+360:r){case 180:l=-1;c=0;h=0;d=1;break;case 90:l=0;c=1;h=1;d=0;break;case 270:l=0;c=-1;h=-1;d=0;break;case 0:l=1;c=0;h=0;d=-1;break;default:throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.")}if(a){h=-h;d=-d}if(0===l){u=Math.abs(o-e[1])*t+n;p=Math.abs(i-e[0])*t+s;f=Math.abs(e[3]-e[1])*t;g=Math.abs(e[2]-e[0])*t}else{u=Math.abs(i-e[0])*t+n;p=Math.abs(o-e[1])*t+s;f=Math.abs(e[2]-e[0])*t;g=Math.abs(e[3]-e[1])*t}this.transform=[l*t,c*t,h*t,d*t,u-l*t*i-h*t*o,p-c*t*i-d*t*o];this.width=f;this.height=g}clone({scale:e=this.scale,rotation:t=this.rotation,offsetX:r=this.offsetX,offsetY:n=this.offsetY,dontFlip:s=!1}={}){return new PageViewport({viewBox:this.viewBox.slice(),scale:e,rotation:t,offsetX:r,offsetY:n,dontFlip:s})}convertToViewportPoint(e,t){return n.Util.applyTransform([e,t],this.transform)}convertToViewportRectangle(e){const t=n.Util.applyTransform([e[0],e[1]],this.transform),r=n.Util.applyTransform([e[2],e[3]],this.transform);return[t[0],t[1],r[0],r[1]]}convertToPdfPoint(e,t){return n.Util.applyInverseTransform([e,t],this.transform)}}t.PageViewport=PageViewport;class RenderingCancelledException extends n.BaseException{constructor(e,t){super(e);this.type=t}}t.RenderingCancelledException=RenderingCancelledException;const a={NONE:0,SELF:1,BLANK:2,PARENT:3,TOP:4};t.LinkTarget=a;t.StatTimer=class StatTimer{constructor(){this.started=Object.create(null);this.times=[]}time(e){e in this.started&&(0,n.warn)("Timer is already running for "+e);this.started[e]=Date.now()}timeEnd(e){e in this.started||(0,n.warn)("Timer has not been started for 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l=parseInt(t[5],10);l=l>=0&&l<=59?l:0;let c=parseInt(t[6],10);c=c>=0&&c<=59?c:0;const h=t[7]||"Z";let d=parseInt(t[8],10);d=d>=0&&d<=23?d:0;let u=parseInt(t[9],10)||0;u=u>=0&&u<=59?u:0;if("-"===h){o+=d;l+=u}else if("+"===h){o-=d;l-=u}return new Date(Date.UTC(r,s,a,o,l,c))}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.arrayByteLength=arrayByteLength;t.arraysToBytes=function arraysToBytes(e){const t=e.length;if(1===t&&e[0]instanceof Uint8Array)return e[0];let r=0;for(let n=0;n<t;n++)r+=arrayByteLength(e[n]);let n=0;const s=new Uint8Array(r);for(let r=0;r<t;r++){let t=e[r];t instanceof Uint8Array||(t="string"==typeof t?stringToBytes(t):new Uint8Array(t));const a=t.byteLength;s.set(t,n);n+=a}return s};t.assert=assert;t.bytesToString=function bytesToString(e){assert(null!==e&&"object"==typeof e&&void 0!==e.length,"Invalid argument for bytesToString");const t=e.length;if(t<8192)return String.fromCharCode.apply(null,e);const r=[];for(let n=0;n<t;n+=8192){const s=Math.min(n+8192,t),a=e.subarray(n,s);r.push(String.fromCharCode.apply(null,a))}return r.join("")};t.createPromiseCapability=function createPromiseCapability(){const e=Object.create(null);let t=!1;Object.defineProperty(e,"settled",{get:()=>t});e.promise=new Promise((function(r,n){e.resolve=function(e){t=!0;r(e)};e.reject=function(e){t=!0;n(e)}}));return e};t.escapeString=function escapeString(e){return e.replace(/([\(\)\\])/g,"\\$1")};t.getModificationDate=function getModificationDate(e=new Date(Date.now())){return[e.getUTCFullYear().toString(),(e.getUTCMonth()+1).toString().padStart(2,"0"),(e.getUTCDate()+1).toString().padStart(2,"0"),e.getUTCHours().toString().padStart(2,"0"),e.getUTCMinutes().toString().padStart(2,"0"),e.getUTCSeconds().toString().padStart(2,"0")].join("")};t.getVerbosityLevel=function getVerbosityLevel(){return s};t.info=function info(e){s>=n.INFOS&&console.log("Info: "+e)};t.isArrayBuffer=function isArrayBuffer(e){return"object"==typeof e&&null!==e&&void 0!==e.byteLength};t.isArrayEqual=function isArrayEqual(e,t){if(e.length!==t.length)return!1;return e.every((function(e,r){return e===t[r]}))};t.isBool=function isBool(e){return"boolean"==typeof e};t.isNum=function isNum(e){return"number"==typeof e};t.isString=function isString(e){return"string"==typeof e};t.isSameOrigin=function isSameOrigin(e,t){let r;try{r=new URL(e);if(!r.origin||"null"===r.origin)return!1}catch(e){return!1}const n=new URL(t,r);return r.origin===n.origin};t.createValidAbsoluteUrl=function createValidAbsoluteUrl(e,t){if(!e)return null;try{const r=t?new URL(e,t):new URL(e);if(function _isValidProtocol(e){if(!e)return!1;switch(e.protocol){case"http:":case"https:":case"ftp:":case"mailto:":case"tel:":return!0;default:return!1}}(r))return r}catch(e){}return null};t.removeNullCharacters=function removeNullCharacters(e){if("string"!=typeof e){warn("The argument for removeNullCharacters must be a string.");return e}return e.replace(i,"")};t.setVerbosityLevel=function setVerbosityLevel(e){Number.isInteger(e)&&(s=e)};t.shadow=shadow;t.string32=function string32(e){return String.fromCharCode(e>>24&255,e>>16&255,e>>8&255,255&e)};t.stringToBytes=stringToBytes;t.stringToPDFString=function stringToPDFString(e){const t=e.length,r=[];if("þ"===e[0]&&"ÿ"===e[1])for(let n=2;n<t;n+=2)r.push(String.fromCharCode(e.charCodeAt(n)<<8|e.charCodeAt(n+1)));else if("ÿ"===e[0]&&"þ"===e[1])for(let n=2;n<t;n+=2)r.push(String.fromCharCode(e.charCodeAt(n+1)<<8|e.charCodeAt(n)));else for(let n=0;n<t;++n){const t=h[e.charCodeAt(n)];r.push(t?String.fromCharCode(t):e.charAt(n))}return r.join("")};t.stringToUTF8String=function stringToUTF8String(e){return decodeURIComponent(escape(e))};t.utf8StringToString=function utf8StringToString(e){return unescape(encodeURIComponent(e))};t.warn=warn;t.unreachable=unreachable;t.IsEvalSupportedCached=t.IsLittleEndianCached=t.createObjectURL=t.FormatError=t.Util=t.UnknownErrorException=t.UnexpectedResponseException=t.TextRenderingMode=t.StreamType=t.PermissionFlag=t.PasswordResponses=t.PasswordException=t.MissingPDFException=t.InvalidPDFException=t.AbortException=t.CMapCompressionType=t.ImageKind=t.FontType=t.AnnotationType=t.AnnotationStateModelType=t.AnnotationReviewState=t.AnnotationReplyType=t.AnnotationMarkedState=t.AnnotationFlag=t.AnnotationFieldFlag=t.AnnotationBorderStyleType=t.UNSUPPORTED_FEATURES=t.VerbosityLevel=t.OPS=t.IDENTITY_MATRIX=t.FONT_IDENTITY_MATRIX=t.BaseException=void 0;r(3);t.IDENTITY_MATRIX=[1,0,0,1,0,0];t.FONT_IDENTITY_MATRIX=[.001,0,0,.001,0,0];t.PermissionFlag={PRINT:4,MODIFY_CONTENTS:8,COPY:16,MODIFY_ANNOTATIONS:32,FILL_INTERACTIVE_FORMS:256,COPY_FOR_ACCESSIBILITY:512,ASSEMBLE:1024,PRINT_HIGH_QUALITY:2048};t.TextRenderingMode={FILL:0,STROKE:1,FILL_STROKE:2,INVISIBLE:3,FILL_ADD_TO_PATH:4,STROKE_ADD_TO_PATH:5,FILL_STROKE_ADD_TO_PATH:6,ADD_TO_PATH:7,FILL_STROKE_MASK:3,ADD_TO_PATH_FLAG:4};t.ImageKind={GRAYSCALE_1BPP:1,RGB_24BPP:2,RGBA_32BPP:3};t.AnnotationType={TEXT:1,LINK:2,FREETEXT:3,LINE:4,SQUARE:5,CIRCLE:6,POLYGON:7,POLYLINE:8,HIGHLIGHT:9,UNDERLINE:10,SQUIGGLY:11,STRIKEOUT:12,STAMP:13,CARET:14,INK:15,POPUP:16,FILEATTACHMENT:17,SOUND:18,MOVIE:19,WIDGET:20,SCREEN:21,PRINTERMARK:22,TRAPNET:23,WATERMARK:24,THREED:25,REDACT:26};t.AnnotationStateModelType={MARKED:"Marked",REVIEW:"Review"};t.AnnotationMarkedState={MARKED:"Marked",UNMARKED:"Unmarked"};t.AnnotationReviewState={ACCEPTED:"Accepted",REJECTED:"Rejected",CANCELLED:"Cancelled",COMPLETED:"Completed",NONE:"None"};t.AnnotationReplyType={GROUP:"Group",REPLY:"R"};t.AnnotationFlag={INVISIBLE:1,HIDDEN:2,PRINT:4,NOZOOM:8,NOROTATE:16,NOVIEW:32,READONLY:64,LOCKED:128,TOGGLENOVIEW:256,LOCKEDCONTENTS:512};t.AnnotationFieldFlag={READONLY:1,REQUIRED:2,NOEXPORT:4,MULTILINE:4096,PASSWORD:8192,NOTOGGLETOOFF:16384,RADIO:32768,PUSHBUTTON:65536,COMBO:131072,EDIT:262144,SORT:524288,FILESELECT:1048576,MULTISELECT:2097152,DONOTSPELLCHECK:4194304,DONOTSCROLL:8388608,COMB:16777216,RICHTEXT:33554432,RADIOSINUNISON:33554432,COMMITONSELCHANGE:67108864};t.AnnotationBorderStyleType={SOLID:1,DASHED:2,BEVELED:3,INSET:4,UNDERLINE:5};t.StreamType={UNKNOWN:"UNKNOWN",FLATE:"FLATE",LZW:"LZW",DCT:"DCT",JPX:"JPX",JBIG:"JBIG",A85:"A85",AHX:"AHX",CCF:"CCF",RLX:"RLX"};t.FontType={UNKNOWN:"UNKNOWN",TYPE1:"TYPE1",TYPE1C:"TYPE1C",CIDFONTTYPE0:"CIDFONTTYPE0",CIDFONTTYPE0C:"CIDFONTTYPE0C",TRUETYPE:"TRUETYPE",CIDFONTTYPE2:"CIDFONTTYPE2",TYPE3:"TYPE3",OPENTYPE:"OPENTYPE",TYPE0:"TYPE0",MMTYPE1:"MMTYPE1"};const n={ERRORS:0,WARNINGS:1,INFOS:5};t.VerbosityLevel=n;t.CMapCompressionType={NONE:0,BINARY:1,STREAM:2};t.OPS={dependency:1,setLineWidth:2,setLineCap:3,setLineJoin:4,setMiterLimit:5,setDash:6,setRenderingIntent:7,setFlatness:8,setGState:9,save:10,restore:11,transform:12,moveTo:13,lineTo:14,curveTo:15,curveTo2:16,curveTo3:17,closePath:18,rectangle:19,stroke:20,closeStroke:21,fill:22,eoFill:23,fillStroke:24,eoFillStroke:25,closeFillStroke:26,closeEOFillStroke:27,endPath:28,clip:29,eoClip:30,beginText:31,endText:32,setCharSpacing:33,setWordSpacing:34,setHScale:35,setLeading:36,setFont:37,setTextRenderingMode:38,setTextRise:39,moveText:40,setLeadingMoveText:41,setTextMatrix:42,nextLine:43,showText:44,showSpacedText:45,nextLineShowText:46,nextLineSetSpacingShowText:47,setCharWidth:48,setCharWidthAndBounds:49,setStrokeColorSpace:50,setFillColorSpace:51,setStrokeColor:52,setStrokeColorN:53,setFillColor:54,setFillColorN:55,setStrokeGray:56,setFillGray:57,setStrokeRGBColor:58,setFillRGBColor:59,setStrokeCMYKColor:60,setFillCMYKColor:61,shadingFill:62,beginInlineImage:63,beginImageData:64,endInlineImage:65,paintXObject:66,markPoint:67,markPointProps:68,beginMarkedContent:69,beginMarkedContentProps:70,endMarkedContent:71,beginCompat:72,endCompat:73,paintFormXObjectBegin:74,paintFormXObjectEnd:75,beginGroup:76,endGroup:77,beginAnnotations:78,endAnnotations:79,beginAnnotation:80,endAnnotation:81,paintJpegXObject:82,paintImageMaskXObject:83,paintImageMaskXObjectGroup:84,paintImageXObject:85,paintInlineImageXObject:86,paintInlineImageXObjectGroup:87,paintImageXObjectRepeat:88,paintImageMaskXObjectRepeat:89,paintSolidColorImageMask:90,constructPath:91};t.UNSUPPORTED_FEATURES={unknown:"unknown",forms:"forms",javaScript:"javaScript",smask:"smask",shadingPattern:"shadingPattern",font:"font",errorTilingPattern:"errorTilingPattern",errorExtGState:"errorExtGState",errorXObject:"errorXObject",errorFontLoadType3:"errorFontLoadType3",errorFontState:"errorFontState",errorFontMissing:"errorFontMissing",errorFontTranslate:"errorFontTranslate",errorColorSpace:"errorColorSpace",errorOperatorList:"errorOperatorList",errorFontToUnicode:"errorFontToUnicode",errorFontLoadNative:"errorFontLoadNative",errorFontGetPath:"errorFontGetPath",errorMarkedContent:"errorMarkedContent"};t.PasswordResponses={NEED_PASSWORD:1,INCORRECT_PASSWORD:2};let s=n.WARNINGS;function warn(e){s>=n.WARNINGS&&console.log("Warning: "+e)}function unreachable(e){throw new Error(e)}function assert(e,t){e||unreachable(t)}function shadow(e,t,r){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!1});return r}const a=function BaseExceptionClosure(){function BaseException(e){this.constructor===BaseException&&unreachable("Cannot initialize BaseException.");this.message=e;this.name=this.constructor.name}BaseException.prototype=new Error;BaseException.constructor=BaseException;return BaseException}();t.BaseException=a;t.PasswordException=class PasswordException extends a{constructor(e,t){super(e);this.code=t}};t.UnknownErrorException=class UnknownErrorException extends a{constructor(e,t){super(e);this.details=t}};t.InvalidPDFException=class InvalidPDFException extends a{};t.MissingPDFException=class MissingPDFException extends a{};t.UnexpectedResponseException=class UnexpectedResponseException extends a{constructor(e,t){super(e);this.status=t}};t.FormatError=class FormatError extends a{};t.AbortException=class AbortException extends a{};const i=/\x00/g;function stringToBytes(e){assert("string"==typeof e,"Invalid argument for stringToBytes");const t=e.length,r=new Uint8Array(t);for(let n=0;n<t;++n)r[n]=255&e.charCodeAt(n);return r}function arrayByteLength(e){if(void 0!==e.length)return e.length;assert(void 0!==e.byteLength,"arrayByteLength - invalid argument.");return e.byteLength}const o={get value(){return shadow(this,"value",function isLittleEndian(){const e=new Uint8Array(4);e[0]=1;return 1===new Uint32Array(e.buffer,0,1)[0]}())}};t.IsLittleEndianCached=o;const l={get value(){return shadow(this,"value",function isEvalSupported(){try{new Function("");return!0}catch(e){return!1}}())}};t.IsEvalSupportedCached=l;const c=["rgb(",0,",",0,",",0,")"];class Util{static makeCssRgb(e,t,r){c[1]=e;c[3]=t;c[5]=r;return c.join("")}static transform(e,t){return[e[0]*t[0]+e[2]*t[1],e[1]*t[0]+e[3]*t[1],e[0]*t[2]+e[2]*t[3],e[1]*t[2]+e[3]*t[3],e[0]*t[4]+e[2]*t[5]+e[4],e[1]*t[4]+e[3]*t[5]+e[5]]}static applyTransform(e,t){return[e[0]*t[0]+e[1]*t[2]+t[4],e[0]*t[1]+e[1]*t[3]+t[5]]}static applyInverseTransform(e,t){const r=t[0]*t[3]-t[1]*t[2];return[(e[0]*t[3]-e[1]*t[2]+t[2]*t[5]-t[4]*t[3])/r,(-e[0]*t[1]+e[1]*t[0]+t[4]*t[1]-t[5]*t[0])/r]}static getAxialAlignedBoundingBox(e,t){const r=Util.applyTransform(e,t),n=Util.applyTransform(e.slice(2,4),t),s=Util.applyTransform([e[0],e[3]],t),a=Util.applyTransform([e[2],e[1]],t);return[Math.min(r[0],n[0],s[0],a[0]),Math.min(r[1],n[1],s[1],a[1]),Math.max(r[0],n[0],s[0],a[0]),Math.max(r[1],n[1],s[1],a[1])]}static inverseTransform(e){const t=e[0]*e[3]-e[1]*e[2];return[e[3]/t,-e[1]/t,-e[2]/t,e[0]/t,(e[2]*e[5]-e[4]*e[3])/t,(e[4]*e[1]-e[5]*e[0])/t]}static apply3dTransform(e,t){return[e[0]*t[0]+e[1]*t[1]+e[2]*t[2],e[3]*t[0]+e[4]*t[1]+e[5]*t[2],e[6]*t[0]+e[7]*t[1]+e[8]*t[2]]}static singularValueDecompose2dScale(e){const t=[e[0],e[2],e[1],e[3]],r=e[0]*t[0]+e[1]*t[2],n=e[0]*t[1]+e[1]*t[3],s=e[2]*t[0]+e[3]*t[2],a=e[2]*t[1]+e[3]*t[3],i=(r+a)/2,o=Math.sqrt((r+a)*(r+a)-4*(r*a-s*n))/2,l=i+o||1,c=i-o||1;return[Math.sqrt(l),Math.sqrt(c)]}static normalizeRect(e){const t=e.slice(0);if(e[0]>e[2]){t[0]=e[2];t[2]=e[0]}if(e[1]>e[3]){t[1]=e[3];t[3]=e[1]}return t}static intersect(e,t){function compare(e,t){return e-t}const r=[e[0],e[2],t[0],t[2]].sort(compare),n=[e[1],e[3],t[1],t[3]].sort(compare),s=[];e=Util.normalizeRect(e);t=Util.normalizeRect(t);if(!(r[0]===e[0]&&r[1]===t[0]||r[0]===t[0]&&r[1]===e[0]))return null;s[0]=r[1];s[2]=r[2];if(!(n[0]===e[1]&&n[1]===t[1]||n[0]===t[1]&&n[1]===e[1]))return null;s[1]=n[1];s[3]=n[2];return s}}t.Util=Util;const h=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,728,711,710,729,733,731,730,732,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8226,8224,8225,8230,8212,8211,402,8260,8249,8250,8722,8240,8222,8220,8221,8216,8217,8218,8482,64257,64258,321,338,352,376,381,305,322,339,353,382,0,8364];const d=function createObjectURLClosure(){const e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";return function createObjectURL(t,r,n=!1){if(!n&&URL.createObjectURL){const e=new Blob([t],{type:r});return URL.createObjectURL(e)}let s=`data:${r};base64,`;for(let r=0,n=t.length;r<n;r+=3){const a=255&t[r],i=255&t[r+1],o=255&t[r+2];s+=e[a>>2]+e[(3&a)<<4|i>>4]+e[r+1<n?(15&i)<<2|o>>6:64]+e[r+2<n?63&o:64]}return s}}();t.createObjectURL=d},function(e,t,r){"use strict";r(4)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.isNodeJS=void 0;const n=!("object"!=typeof process||process+""!="[object process]"||process.versions.nw||process.versions.electron&&process.type&&"browser"!==process.type);t.isNodeJS=n},function(module,exports,__w_pdfjs_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:!0});exports.getDocument=getDocument;exports.setPDFNetworkStreamFactory=setPDFNetworkStreamFactory;exports.build=exports.version=exports.PDFPageProxy=exports.PDFDocumentProxy=exports.PDFWorker=exports.PDFDataRangeTransport=exports.LoopbackPort=void 0;var _util=__w_pdfjs_require__(2),_display_utils=__w_pdfjs_require__(1),_font_loader=__w_pdfjs_require__(6),_node_utils=__w_pdfjs_require__(7),_annotation_storage=__w_pdfjs_require__(8),_api_compatibility=__w_pdfjs_require__(9),_canvas=__w_pdfjs_require__(10),_worker_options=__w_pdfjs_require__(12),_is_node=__w_pdfjs_require__(4),_message_handler=__w_pdfjs_require__(13),_metadata=__w_pdfjs_require__(14),_optional_content_config=__w_pdfjs_require__(16),_transport_stream=__w_pdfjs_require__(17),_webgl=__w_pdfjs_require__(18);const DEFAULT_RANGE_CHUNK_SIZE=65536,RENDERING_CANCELLED_TIMEOUT=100,DefaultCanvasFactory=_is_node.isNodeJS?_node_utils.NodeCanvasFactory:_display_utils.DOMCanvasFactory,DefaultCMapReaderFactory=_is_node.isNodeJS?_node_utils.NodeCMapReaderFactory:_display_utils.DOMCMapReaderFactory;let createPDFNetworkStream;function setPDFNetworkStreamFactory(e){createPDFNetworkStream=e}function getDocument(e){const t=new PDFDocumentLoadingTask;let r;if("string"==typeof e)r={url:e};else if((0,_util.isArrayBuffer)(e))r={data:e};else if(e instanceof PDFDataRangeTransport)r={range:e};else{if("object"!=typeof e)throw new Error("Invalid parameter in getDocument, need either Uint8Array, string or a parameter object");if(!e.url&&!e.data&&!e.range)throw new Error("Invalid parameter object: need either .data, .range or .url");r=e}const n=Object.create(null);let s=null,a=null;for(const e in r)if("url"!==e||"undefined"==typeof window)if("range"!==e)if("worker"!==e)if("data"!==e||r[e]instanceof Uint8Array)n[e]=r[e];else{const t=r[e];if("string"==typeof t)n[e]=(0,_util.stringToBytes)(t);else if("object"!=typeof t||null===t||isNaN(t.length)){if(!(0,_util.isArrayBuffer)(t))throw new Error("Invalid PDF binary data: either typed array, string or array-like object is expected in the data property.");n[e]=new Uint8Array(t)}else n[e]=new Uint8Array(t)}else a=r[e];else s=r[e];else n[e]=new URL(r[e],window.location).href;n.rangeChunkSize=n.rangeChunkSize||DEFAULT_RANGE_CHUNK_SIZE;n.CMapReaderFactory=n.CMapReaderFactory||DefaultCMapReaderFactory;n.ignoreErrors=!0!==n.stopAtErrors;n.fontExtraProperties=!0===n.fontExtraProperties;n.pdfBug=!0===n.pdfBug;Number.isInteger(n.maxImageSize)||(n.maxImageSize=-1);"boolean"!=typeof n.isEvalSupported&&(n.isEvalSupported=!0);"boolean"!=typeof n.disableFontFace&&(n.disableFontFace=_api_compatibility.apiCompatibilityParams.disableFontFace||!1);void 0===n.ownerDocument&&(n.ownerDocument=globalThis.document);"boolean"!=typeof n.disableRange&&(n.disableRange=!1);"boolean"!=typeof n.disableStream&&(n.disableStream=!1);"boolean"!=typeof n.disableAutoFetch&&(n.disableAutoFetch=!1);(0,_util.setVerbosityLevel)(n.verbosity);if(!a){const e={verbosity:n.verbosity,port:_worker_options.GlobalWorkerOptions.workerPort};a=e.port?PDFWorker.fromPort(e):new PDFWorker(e);t._worker=a}const i=t.docId;a.promise.then((function(){if(t.destroyed)throw new Error("Loading aborted");const e=_fetchDocument(a,n,s,i),r=new Promise((function(e){let t;s?t=new _transport_stream.PDFDataTransportStream({length:n.length,initialData:n.initialData,progressiveDone:n.progressiveDone,disableRange:n.disableRange,disableStream:n.disableStream},s):n.data||(t=createPDFNetworkStream({url:n.url,length:n.length,httpHeaders:n.httpHeaders,withCredentials:n.withCredentials,rangeChunkSize:n.rangeChunkSize,disableRange:n.disableRange,disableStream:n.disableStream}));e(t)}));return Promise.all([e,r]).then((function([e,r]){if(t.destroyed)throw new Error("Loading aborted");const s=new _message_handler.MessageHandler(i,e,a.port);s.postMessageTransfers=a.postMessageTransfers;const o=new WorkerTransport(s,t,r,n);t._transport=o;s.send("Ready",null)}))})).catch(t._capability.reject);return t}function _fetchDocument(e,t,r,n){if(e.destroyed)return Promise.reject(new Error("Worker was destroyed"));if(r){t.length=r.length;t.initialData=r.initialData;t.progressiveDone=r.progressiveDone}return e.messageHandler.sendWithPromise("GetDocRequest",{docId:n,apiVersion:"2.6.347",source:{data:t.data,url:t.url,password:t.password,disableAutoFetch:t.disableAutoFetch,rangeChunkSize:t.rangeChunkSize,length:t.length},maxImageSize:t.maxImageSize,disableFontFace:t.disableFontFace,postMessageTransfers:e.postMessageTransfers,docBaseUrl:t.docBaseUrl,ignoreErrors:t.ignoreErrors,isEvalSupported:t.isEvalSupported,fontExtraProperties:t.fontExtraProperties}).then((function(t){if(e.destroyed)throw new Error("Worker was destroyed");return t}))}const PDFDocumentLoadingTask=function PDFDocumentLoadingTaskClosure(){let e=0;return class PDFDocumentLoadingTask{constructor(){this._capability=(0,_util.createPromiseCapability)();this._transport=null;this._worker=null;this.docId="d"+e++;this.destroyed=!1;this.onPassword=null;this.onProgress=null;this.onUnsupportedFeature=null}get promise(){return this._capability.promise}destroy(){this.destroyed=!0;return(this._transport?this._transport.destroy():Promise.resolve()).then(()=>{this._transport=null;if(this._worker){this._worker.destroy();this._worker=null}})}}}();class PDFDataRangeTransport{constructor(e,t,r=!1){this.length=e;this.initialData=t;this.progressiveDone=r;this._rangeListeners=[];this._progressListeners=[];this._progressiveReadListeners=[];this._progressiveDoneListeners=[];this._readyCapability=(0,_util.createPromiseCapability)()}addRangeListener(e){this._rangeListeners.push(e)}addProgressListener(e){this._progressListeners.push(e)}addProgressiveReadListener(e){this._progressiveReadListeners.push(e)}addProgressiveDoneListener(e){this._progressiveDoneListeners.push(e)}onDataRange(e,t){for(const r of this._rangeListeners)r(e,t)}onDataProgress(e,t){this._readyCapability.promise.then(()=>{for(const r of this._progressListeners)r(e,t)})}onDataProgressiveRead(e){this._readyCapability.promise.then(()=>{for(const t of this._progressiveReadListeners)t(e)})}onDataProgressiveDone(){this._readyCapability.promise.then(()=>{for(const e of this._progressiveDoneListeners)e()})}transportReady(){this._readyCapability.resolve()}requestDataRange(e,t){(0,_util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange")}abort(){}}exports.PDFDataRangeTransport=PDFDataRangeTransport;class PDFDocumentProxy{constructor(e,t){this._pdfInfo=e;this._transport=t}get annotationStorage(){return(0,_util.shadow)(this,"annotationStorage",new _annotation_storage.AnnotationStorage)}get numPages(){return this._pdfInfo.numPages}get fingerprint(){return this._pdfInfo.fingerprint}getPage(e){return this._transport.getPage(e)}getPageIndex(e){return this._transport.getPageIndex(e)}getDestinations(){return this._transport.getDestinations()}getDestination(e){return this._transport.getDestination(e)}getPageLabels(){return this._transport.getPageLabels()}getPageLayout(){return this._transport.getPageLayout()}getPageMode(){return this._transport.getPageMode()}getViewerPreferences(){return this._transport.getViewerPreferences()}getOpenAction(){return this._transport.getOpenAction()}getAttachments(){return this._transport.getAttachments()}getJavaScript(){return this._transport.getJavaScript()}getOutline(){return this._transport.getOutline()}getOptionalContentConfig(){return this._transport.getOptionalContentConfig()}getPermissions(){return this._transport.getPermissions()}getMetadata(){return this._transport.getMetadata()}getData(){return this._transport.getData()}getDownloadInfo(){return this._transport.downloadInfoCapability.promise}getStats(){return this._transport.getStats()}cleanup(){return this._transport.startCleanup()}destroy(){return this.loadingTask.destroy()}get loadingParams(){return this._transport.loadingParams}get loadingTask(){return this._transport.loadingTask}saveDocument(e){return this._transport.saveDocument(e)}}exports.PDFDocumentProxy=PDFDocumentProxy;class PDFPageProxy{constructor(e,t,r,n,s=!1){this._pageIndex=e;this._pageInfo=t;this._ownerDocument=n;this._transport=r;this._stats=s?new _display_utils.StatTimer:null;this._pdfBug=s;this.commonObjs=r.commonObjs;this.objs=new PDFObjects;this.cleanupAfterRender=!1;this.pendingCleanup=!1;this._intentStates=new Map;this.destroyed=!1}get pageNumber(){return this._pageIndex+1}get rotate(){return this._pageInfo.rotate}get ref(){return this._pageInfo.ref}get userUnit(){return this._pageInfo.userUnit}get view(){return this._pageInfo.view}getViewport({scale:e,rotation:t=this.rotate,offsetX:r=0,offsetY:n=0,dontFlip:s=!1}={}){return new _display_utils.PageViewport({viewBox:this.view,scale:e,rotation:t,offsetX:r,offsetY:n,dontFlip:s})}getAnnotations({intent:e=null}={}){if(!this.annotationsPromise||this.annotationsIntent!==e){this.annotationsPromise=this._transport.getAnnotations(this._pageIndex,e);this.annotationsIntent=e}return this.annotationsPromise}render({canvasContext:e,viewport:t,intent:r="display",enableWebGL:n=!1,renderInteractiveForms:s=!1,transform:a=null,imageLayer:i=null,canvasFactory:o=null,background:l=null,annotationStorage:c=null,optionalContentConfigPromise:h=null}){this._stats&&this._stats.time("Overall");const d="print"===r?"print":"display";this.pendingCleanup=!1;h||(h=this._transport.getOptionalContentConfig());let u=this._intentStates.get(d);if(!u){u=Object.create(null);this._intentStates.set(d,u)}if(u.streamReaderCancelTimeout){clearTimeout(u.streamReaderCancelTimeout);u.streamReaderCancelTimeout=null}const p=o||new DefaultCanvasFactory({ownerDocument:this._ownerDocument}),f=new _webgl.WebGLContext({enable:n});if(!u.displayReadyCapability){u.displayReadyCapability=(0,_util.createPromiseCapability)();u.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:d,renderInteractiveForms:!0===s,annotationStorage:c&&c.getAll()||null})}const complete=e=>{const t=u.renderTasks.indexOf(g);t>=0&&u.renderTasks.splice(t,1);(this.cleanupAfterRender||"print"===d)&&(this.pendingCleanup=!0);this._tryCleanup();if(e){g.capability.reject(e);this._abortOperatorList({intentState:u,reason:e})}else g.capability.resolve();if(this._stats){this._stats.timeEnd("Rendering");this._stats.timeEnd("Overall")}},g=new InternalRenderTask({callback:complete,params:{canvasContext:e,viewport:t,transform:a,imageLayer:i,background:l},objs:this.objs,commonObjs:this.commonObjs,operatorList:u.operatorList,pageIndex:this._pageIndex,canvasFactory:p,webGLContext:f,useRequestAnimationFrame:"print"!==d,pdfBug:this._pdfBug});u.renderTasks||(u.renderTasks=[]);u.renderTasks.push(g);const m=g.task;Promise.all([u.displayReadyCapability.promise,h]).then(([e,t])=>{if(this.pendingCleanup)complete();else{this._stats&&this._stats.time("Rendering");g.initializeGraphics({transparency:e,optionalContentConfig:t});g.operatorListChanged()}}).catch(complete);return m}getOperatorList(){let e,t=this._intentStates.get("oplist");if(!t){t=Object.create(null);this._intentStates.set("oplist",t)}if(!t.opListReadCapability){e=Object.create(null);e.operatorListChanged=function operatorListChanged(){if(t.operatorList.lastChunk){t.opListReadCapability.resolve(t.operatorList);const r=t.renderTasks.indexOf(e);r>=0&&t.renderTasks.splice(r,1)}};t.opListReadCapability=(0,_util.createPromiseCapability)();t.renderTasks=[];t.renderTasks.push(e);t.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:"oplist"})}return t.opListReadCapability.promise}streamTextContent({normalizeWhitespace:e=!1,disableCombineTextItems:t=!1}={}){return this._transport.messageHandler.sendWithStream("GetTextContent",{pageIndex:this._pageIndex,normalizeWhitespace:!0===e,combineTextItems:!0!==t},{highWaterMark:100,size:e=>e.items.length})}getTextContent(e={}){const t=this.streamTextContent(e);return new Promise((function(e,r){const n=t.getReader(),s={items:[],styles:Object.create(null)};!function pump(){n.read().then((function({value:t,done:r}){if(r)e(s);else{Object.assign(s.styles,t.styles);s.items.push(...t.items);pump()}}),r)}()}))}_destroy(){this.destroyed=!0;this._transport.pageCache[this._pageIndex]=null;const e=[];for(const[t,r]of this._intentStates){this._abortOperatorList({intentState:r,reason:new Error("Page was destroyed."),force:!0});if("oplist"!==t)for(const t of r.renderTasks){e.push(t.completed);t.cancel()}}this.objs.clear();this.annotationsPromise=null;this.pendingCleanup=!1;return Promise.all(e)}cleanup(e=!1){this.pendingCleanup=!0;return this._tryCleanup(e)}_tryCleanup(e=!1){if(!this.pendingCleanup)return!1;for(const{renderTasks:e,operatorList:t}of this._intentStates.values())if(0!==e.length||!t.lastChunk)return!1;this._intentStates.clear();this.objs.clear();this.annotationsPromise=null;e&&this._stats&&(this._stats=new _display_utils.StatTimer);this.pendingCleanup=!1;return!0}_startRenderPage(e,t){const r=this._intentStates.get(t);if(r){this._stats&&this._stats.timeEnd("Page Request");r.displayReadyCapability&&r.displayReadyCapability.resolve(e)}}_renderPageChunk(e,t){for(let r=0,n=e.length;r<n;r++){t.operatorList.fnArray.push(e.fnArray[r]);t.operatorList.argsArray.push(e.argsArray[r])}t.operatorList.lastChunk=e.lastChunk;for(let e=0;e<t.renderTasks.length;e++)t.renderTasks[e].operatorListChanged();e.lastChunk&&this._tryCleanup()}_pumpOperatorList(e){(0,_util.assert)(e.intent,'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');const t=this._transport.messageHandler.sendWithStream("GetOperatorList",e).getReader(),r=this._intentStates.get(e.intent);r.streamReader=t;const pump=()=>{t.read().then(({value:e,done:t})=>{if(t)r.streamReader=null;else if(!this._transport.destroyed){this._renderPageChunk(e,r);pump()}},e=>{r.streamReader=null;if(!this._transport.destroyed){if(r.operatorList){r.operatorList.lastChunk=!0;for(let e=0;e<r.renderTasks.length;e++)r.renderTasks[e].operatorListChanged();this._tryCleanup()}if(r.displayReadyCapability)r.displayReadyCapability.reject(e);else{if(!r.opListReadCapability)throw e;r.opListReadCapability.reject(e)}}})};pump()}_abortOperatorList({intentState:e,reason:t,force:r=!1}){(0,_util.assert)(t instanceof Error||"object"==typeof t&&null!==t,'PDFPageProxy._abortOperatorList: Expected "reason" argument.');if(e.streamReader){if(!r){if(0!==e.renderTasks.length)return;if(t instanceof _display_utils.RenderingCancelledException){e.streamReaderCancelTimeout=setTimeout(()=>{this._abortOperatorList({intentState:e,reason:t,force:!0});e.streamReaderCancelTimeout=null},RENDERING_CANCELLED_TIMEOUT);return}}e.streamReader.cancel(new _util.AbortException(t&&t.message));e.streamReader=null;if(!this._transport.destroyed){for(const[t,r]of this._intentStates)if(r===e){this._intentStates.delete(t);break}this.cleanup()}}}get stats(){return this._stats}}exports.PDFPageProxy=PDFPageProxy;class LoopbackPort{constructor(e=!0){this._listeners=[];this._defer=e;this._deferred=Promise.resolve(void 0)}postMessage(e,t){if(!this._defer){this._listeners.forEach(t=>{t.call(this,{data:e})});return}const r=new WeakMap,n={data:function cloneValue(e){if("object"!=typeof e||null===e)return e;if(r.has(e))return r.get(e);let n,s;if((n=e.buffer)&&(0,_util.isArrayBuffer)(n)){s=t&&t.includes(n)?new e.constructor(n,e.byteOffset,e.byteLength):new e.constructor(e);r.set(e,s);return s}s=Array.isArray(e)?[]:{};r.set(e,s);for(const t in e){let r,n=e;for(;!(r=Object.getOwnPropertyDescriptor(n,t));)n=Object.getPrototypeOf(n);if(void 0!==r.value)if("function"!=typeof r.value)s[t]=cloneValue(r.value);else if(e.hasOwnProperty&&e.hasOwnProperty(t))throw new Error("LoopbackPort.postMessage - cannot clone: "+e[t])}return s}(e)};this._deferred.then(()=>{this._listeners.forEach(e=>{e.call(this,n)})})}addEventListener(e,t){this._listeners.push(t)}removeEventListener(e,t){const r=this._listeners.indexOf(t);this._listeners.splice(r,1)}terminate(){this._listeners.length=0}}exports.LoopbackPort=LoopbackPort;const PDFWorker=function PDFWorkerClosure(){const pdfWorkerPorts=new WeakMap;let isWorkerDisabled=!1,fallbackWorkerSrc,nextFakeWorkerId=0,fakeWorkerCapability;if(_is_node.isNodeJS&&"function"==typeof require){isWorkerDisabled=!0;fallbackWorkerSrc="./pdf.worker.js"}else if("object"==typeof document&&"currentScript"in document){const e=document.currentScript&&document.currentScript.src;e&&(fallbackWorkerSrc=e.replace(/(\.(?:min\.)?js)(\?.*)?$/i,".worker$1$2"))}function getWorkerSrc(){if(_worker_options.GlobalWorkerOptions.workerSrc)return _worker_options.GlobalWorkerOptions.workerSrc;if(void 0!==fallbackWorkerSrc){_is_node.isNodeJS||(0,_display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');return fallbackWorkerSrc}throw new Error('No "GlobalWorkerOptions.workerSrc" specified.')}function getMainThreadWorkerMessageHandler(){let e;try{e=globalThis.pdfjsWorker&&globalThis.pdfjsWorker.WorkerMessageHandler}catch(e){}return e||null}function setupFakeWorkerGlobal(){if(fakeWorkerCapability)return fakeWorkerCapability.promise;fakeWorkerCapability=(0,_util.createPromiseCapability)();const loader=async function(){const mainWorkerMessageHandler=getMainThreadWorkerMessageHandler();if(mainWorkerMessageHandler)return mainWorkerMessageHandler;if(_is_node.isNodeJS&&"function"==typeof require){const worker=eval("require")(getWorkerSrc());return worker.WorkerMessageHandler}await(0,_display_utils.loadScript)(getWorkerSrc());return window.pdfjsWorker.WorkerMessageHandler};loader().then(fakeWorkerCapability.resolve,fakeWorkerCapability.reject);return fakeWorkerCapability.promise}function createCDNWrapper(e){const t="importScripts('"+e+"');";return URL.createObjectURL(new Blob([t]))}class PDFWorker{constructor({name:e=null,port:t=null,verbosity:r=(0,_util.getVerbosityLevel)()}={}){if(t&&pdfWorkerPorts.has(t))throw new Error("Cannot use more than one PDFWorker per port");this.name=e;this.destroyed=!1;this.postMessageTransfers=!0;this.verbosity=r;this._readyCapability=(0,_util.createPromiseCapability)();this._port=null;this._webWorker=null;this._messageHandler=null;if(t){pdfWorkerPorts.set(t,this);this._initializeFromPort(t)}else this._initialize()}get promise(){return this._readyCapability.promise}get port(){return this._port}get messageHandler(){return this._messageHandler}_initializeFromPort(e){this._port=e;this._messageHandler=new _message_handler.MessageHandler("main","worker",e);this._messageHandler.on("ready",(function(){}));this._readyCapability.resolve()}_initialize(){if("undefined"!=typeof Worker&&!isWorkerDisabled&&!getMainThreadWorkerMessageHandler()){let e=getWorkerSrc();try{(0,_util.isSameOrigin)(window.location.href,e)||(e=createCDNWrapper(new URL(e,window.location).href));const t=new Worker(e),r=new _message_handler.MessageHandler("main","worker",t),terminateEarly=()=>{t.removeEventListener("error",onWorkerError);r.destroy();t.terminate();this.destroyed?this._readyCapability.reject(new Error("Worker was destroyed")):this._setupFakeWorker()},onWorkerError=()=>{this._webWorker||terminateEarly()};t.addEventListener("error",onWorkerError);r.on("test",e=>{t.removeEventListener("error",onWorkerError);if(this.destroyed)terminateEarly();else if(e){this._messageHandler=r;this._port=t;this._webWorker=t;e.supportTransfers||(this.postMessageTransfers=!1);this._readyCapability.resolve();r.send("configure",{verbosity:this.verbosity})}else{this._setupFakeWorker();r.destroy();t.terminate()}});r.on("ready",e=>{t.removeEventListener("error",onWorkerError);if(this.destroyed)terminateEarly();else try{sendTest()}catch(e){this._setupFakeWorker()}});const sendTest=()=>{const e=new Uint8Array([this.postMessageTransfers?255:0]);try{r.send("test",e,[e.buffer])}catch(t){(0,_util.warn)("Cannot use postMessage transfers.");e[0]=0;r.send("test",e)}};sendTest();return}catch(e){(0,_util.info)("The worker has been disabled.")}}this._setupFakeWorker()}_setupFakeWorker(){if(!isWorkerDisabled){(0,_util.warn)("Setting up fake worker.");isWorkerDisabled=!0}setupFakeWorkerGlobal().then(e=>{if(this.destroyed){this._readyCapability.reject(new Error("Worker was destroyed"));return}const t=new LoopbackPort;this._port=t;const r="fake"+nextFakeWorkerId++,n=new _message_handler.MessageHandler(r+"_worker",r,t);e.setup(n,t);const s=new _message_handler.MessageHandler(r,r+"_worker",t);this._messageHandler=s;this._readyCapability.resolve();s.send("configure",{verbosity:this.verbosity})}).catch(e=>{this._readyCapability.reject(new Error(`Setting up fake worker failed: "${e.message}".`))})}destroy(){this.destroyed=!0;if(this._webWorker){this._webWorker.terminate();this._webWorker=null}pdfWorkerPorts.delete(this._port);this._port=null;if(this._messageHandler){this._messageHandler.destroy();this._messageHandler=null}}static fromPort(e){if(!e||!e.port)throw new Error("PDFWorker.fromPort - invalid method signature.");return pdfWorkerPorts.has(e.port)?pdfWorkerPorts.get(e.port):new PDFWorker(e)}static getWorkerSrc(){return getWorkerSrc()}}return PDFWorker}();exports.PDFWorker=PDFWorker;class WorkerTransport{constructor(e,t,r,n){this.messageHandler=e;this.loadingTask=t;this.commonObjs=new PDFObjects;this.fontLoader=new _font_loader.FontLoader({docId:t.docId,onUnsupportedFeature:this._onUnsupportedFeature.bind(this),ownerDocument:n.ownerDocument});this._params=n;this.CMapReaderFactory=new n.CMapReaderFactory({baseUrl:n.cMapUrl,isCompressed:n.cMapPacked});this.destroyed=!1;this.destroyCapability=null;this._passwordCapability=null;this._networkStream=r;this._fullReader=null;this._lastProgress=null;this.pageCache=[];this.pagePromises=[];this.downloadInfoCapability=(0,_util.createPromiseCapability)();this.setupMessageHandler()}destroy(){if(this.destroyCapability)return this.destroyCapability.promise;this.destroyed=!0;this.destroyCapability=(0,_util.createPromiseCapability)();this._passwordCapability&&this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));const e=[];this.pageCache.forEach((function(t){t&&e.push(t._destroy())}));this.pageCache.length=0;this.pagePromises.length=0;const t=this.messageHandler.sendWithPromise("Terminate",null);e.push(t);Promise.all(e).then(()=>{this.fontLoader.clear();this._networkStream&&this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));if(this.messageHandler){this.messageHandler.destroy();this.messageHandler=null}this.destroyCapability.resolve()},this.destroyCapability.reject);return this.destroyCapability.promise}setupMessageHandler(){const{messageHandler:e,loadingTask:t}=this;e.on("GetReader",(e,t)=>{(0,_util.assert)(this._networkStream,"GetReader - no `IPDFStream` instance available.");this._fullReader=this._networkStream.getFullReader();this._fullReader.onProgress=e=>{this._lastProgress={loaded:e.loaded,total:e.total}};t.onPull=()=>{this._fullReader.read().then((function({value:e,done:r}){if(r)t.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(e),"GetReader - expected an ArrayBuffer.");t.enqueue(new Uint8Array(e),1,[e])}})).catch(e=>{t.error(e)})};t.onCancel=e=>{this._fullReader.cancel(e);t.ready.catch(e=>{if(!this.destroyed)throw e})}});e.on("ReaderHeadersReady",e=>{const r=(0,_util.createPromiseCapability)(),n=this._fullReader;n.headersReady.then(()=>{if(!n.isStreamingSupported||!n.isRangeSupported){this._lastProgress&&t.onProgress&&t.onProgress(this._lastProgress);n.onProgress=e=>{t.onProgress&&t.onProgress({loaded:e.loaded,total:e.total})}}r.resolve({isStreamingSupported:n.isStreamingSupported,isRangeSupported:n.isRangeSupported,contentLength:n.contentLength})},r.reject);return r.promise});e.on("GetRangeReader",(e,t)=>{(0,_util.assert)(this._networkStream,"GetRangeReader - no `IPDFStream` instance available.");const r=this._networkStream.getRangeReader(e.begin,e.end);if(r){t.onPull=()=>{r.read().then((function({value:e,done:r}){if(r)t.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(e),"GetRangeReader - expected an ArrayBuffer.");t.enqueue(new Uint8Array(e),1,[e])}})).catch(e=>{t.error(e)})};t.onCancel=e=>{r.cancel(e);t.ready.catch(e=>{if(!this.destroyed)throw e})}}else t.close()});e.on("GetDoc",({pdfInfo:e})=>{this._numPages=e.numPages;t._capability.resolve(new PDFDocumentProxy(e,this))});e.on("DocException",(function(e){let r;switch(e.name){case"PasswordException":r=new _util.PasswordException(e.message,e.code);break;case"InvalidPDFException":r=new _util.InvalidPDFException(e.message);break;case"MissingPDFException":r=new _util.MissingPDFException(e.message);break;case"UnexpectedResponseException":r=new _util.UnexpectedResponseException(e.message,e.status);break;case"UnknownErrorException":r=new _util.UnknownErrorException(e.message,e.details)}if(!(r instanceof Error)){const e="DocException - expected a valid Error.";(0,_util.warn)(e)}t._capability.reject(r)}));e.on("PasswordRequest",e=>{this._passwordCapability=(0,_util.createPromiseCapability)();if(t.onPassword){const updatePassword=e=>{this._passwordCapability.resolve({password:e})};try{t.onPassword(updatePassword,e.code)}catch(e){this._passwordCapability.reject(e)}}else this._passwordCapability.reject(new _util.PasswordException(e.message,e.code));return this._passwordCapability.promise});e.on("DataLoaded",e=>{t.onProgress&&t.onProgress({loaded:e.length,total:e.length});this.downloadInfoCapability.resolve(e)});e.on("StartRenderPage",e=>{if(this.destroyed)return;this.pageCache[e.pageIndex]._startRenderPage(e.transparency,e.intent)});e.on("commonobj",t=>{if(this.destroyed)return;const[r,n,s]=t;if(!this.commonObjs.has(r))switch(n){case"Font":const t=this._params;if("error"in s){const e=s.error;(0,_util.warn)("Error during font loading: "+e);this.commonObjs.resolve(r,e);break}let a=null;t.pdfBug&&globalThis.FontInspector&&globalThis.FontInspector.enabled&&(a={registerFont(e,t){globalThis.FontInspector.fontAdded(e,t)}});const i=new _font_loader.FontFaceObject(s,{isEvalSupported:t.isEvalSupported,disableFontFace:t.disableFontFace,ignoreErrors:t.ignoreErrors,onUnsupportedFeature:this._onUnsupportedFeature.bind(this),fontRegistry:a});this.fontLoader.bind(i).catch(t=>e.sendWithPromise("FontFallback",{id:r})).finally(()=>{!t.fontExtraProperties&&i.data&&(i.data=null);this.commonObjs.resolve(r,i)});break;case"FontPath":case"Image":this.commonObjs.resolve(r,s);break;default:throw new Error("Got unknown common object type "+n)}});e.on("obj",e=>{if(this.destroyed)return;const[t,r,n,s]=e,a=this.pageCache[r];if(!a.objs.has(t))switch(n){case"Image":a.objs.resolve(t,s);const e=8e6;s&&"data"in s&&s.data.length>e&&(a.cleanupAfterRender=!0);break;default:throw new Error("Got unknown object type "+n)}});e.on("DocProgress",e=>{this.destroyed||t.onProgress&&t.onProgress({loaded:e.loaded,total:e.total})});e.on("UnsupportedFeature",this._onUnsupportedFeature.bind(this));e.on("FetchBuiltInCMap",(e,t)=>{if(this.destroyed){t.error(new Error("Worker was destroyed"));return}let r=!1;t.onPull=()=>{if(r)t.close();else{r=!0;this.CMapReaderFactory.fetch(e).then((function(e){t.enqueue(e,1,[e.cMapData.buffer])})).catch((function(e){t.error(e)}))}}})}_onUnsupportedFeature({featureId:e}){this.destroyed||this.loadingTask.onUnsupportedFeature&&this.loadingTask.onUnsupportedFeature(e)}getData(){return this.messageHandler.sendWithPromise("GetData",null)}getPage(e){if(!Number.isInteger(e)||e<=0||e>this._numPages)return Promise.reject(new Error("Invalid page request"));const t=e-1;if(t in this.pagePromises)return this.pagePromises[t];const r=this.messageHandler.sendWithPromise("GetPage",{pageIndex:t}).then(e=>{if(this.destroyed)throw new Error("Transport destroyed");const r=new PDFPageProxy(t,e,this,this._params.ownerDocument,this._params.pdfBug);this.pageCache[t]=r;return r});this.pagePromises[t]=r;return r}getPageIndex(e){return this.messageHandler.sendWithPromise("GetPageIndex",{ref:e}).catch((function(e){return Promise.reject(new Error(e))}))}getAnnotations(e,t){return this.messageHandler.sendWithPromise("GetAnnotations",{pageIndex:e,intent:t})}saveDocument(e){return this.messageHandler.sendWithPromise("SaveDocument",{numPages:this._numPages,annotationStorage:e&&e.getAll()||null,filename:this._fullReader?this._fullReader.filename:null}).finally(()=>{e&&e.resetModified()})}getDestinations(){return this.messageHandler.sendWithPromise("GetDestinations",null)}getDestination(e){return"string"!=typeof e?Promise.reject(new Error("Invalid destination request.")):this.messageHandler.sendWithPromise("GetDestination",{id:e})}getPageLabels(){return this.messageHandler.sendWithPromise("GetPageLabels",null)}getPageLayout(){return this.messageHandler.sendWithPromise("GetPageLayout",null)}getPageMode(){return this.messageHandler.sendWithPromise("GetPageMode",null)}getViewerPreferences(){return this.messageHandler.sendWithPromise("GetViewerPreferences",null)}getOpenAction(){return this.messageHandler.sendWithPromise("GetOpenAction",null)}getAttachments(){return this.messageHandler.sendWithPromise("GetAttachments",null)}getJavaScript(){return this.messageHandler.sendWithPromise("GetJavaScript",null)}getOutline(){return this.messageHandler.sendWithPromise("GetOutline",null)}getOptionalContentConfig(){return this.messageHandler.sendWithPromise("GetOptionalContentConfig",null).then(e=>new _optional_content_config.OptionalContentConfig(e))}getPermissions(){return this.messageHandler.sendWithPromise("GetPermissions",null)}getMetadata(){return this.messageHandler.sendWithPromise("GetMetadata",null).then(e=>({info:e[0],metadata:e[1]?new _metadata.Metadata(e[1]):null,contentDispositionFilename:this._fullReader?this._fullReader.filename:null}))}getStats(){return this.messageHandler.sendWithPromise("GetStats",null)}startCleanup(){return this.messageHandler.sendWithPromise("Cleanup",null).then(()=>{for(let e=0,t=this.pageCache.length;e<t;e++){const t=this.pageCache[e];if(t){if(!t.cleanup())throw new Error(`startCleanup: Page ${e+1} is currently rendering.`)}}this.commonObjs.clear();this.fontLoader.clear()})}get loadingParams(){const e=this._params;return(0,_util.shadow)(this,"loadingParams",{disableAutoFetch:e.disableAutoFetch,disableFontFace:e.disableFontFace})}}class PDFObjects{constructor(){this._objs=Object.create(null)}_ensureObj(e){return this._objs[e]?this._objs[e]:this._objs[e]={capability:(0,_util.createPromiseCapability)(),data:null,resolved:!1}}get(e,t=null){if(t){this._ensureObj(e).capability.promise.then(t);return null}const r=this._objs[e];if(!r||!r.resolved)throw new Error(`Requesting object that isn't resolved yet ${e}.`);return r.data}has(e){const t=this._objs[e];return!!t&&t.resolved}resolve(e,t){const r=this._ensureObj(e);r.resolved=!0;r.data=t;r.capability.resolve(t)}clear(){this._objs=Object.create(null)}}class RenderTask{constructor(e){this._internalRenderTask=e;this.onContinue=null}get promise(){return this._internalRenderTask.capability.promise}cancel(){this._internalRenderTask.cancel()}}const InternalRenderTask=function InternalRenderTaskClosure(){const e=new WeakSet;return class InternalRenderTask{constructor({callback:e,params:t,objs:r,commonObjs:n,operatorList:s,pageIndex:a,canvasFactory:i,webGLContext:o,useRequestAnimationFrame:l=!1,pdfBug:c=!1}){this.callback=e;this.params=t;this.objs=r;this.commonObjs=n;this.operatorListIdx=null;this.operatorList=s;this._pageIndex=a;this.canvasFactory=i;this.webGLContext=o;this._pdfBug=c;this.running=!1;this.graphicsReadyCallback=null;this.graphicsReady=!1;this._useRequestAnimationFrame=!0===l&&"undefined"!=typeof window;this.cancelled=!1;this.capability=(0,_util.createPromiseCapability)();this.task=new RenderTask(this);this._continueBound=this._continue.bind(this);this._scheduleNextBound=this._scheduleNext.bind(this);this._nextBound=this._next.bind(this);this._canvas=t.canvasContext.canvas}get completed(){return this.capability.promise.catch((function(){}))}initializeGraphics({transparency:t=!1,optionalContentConfig:r}){if(this.cancelled)return;if(this._canvas){if(e.has(this._canvas))throw new Error("Cannot use the same canvas during multiple render() operations. Use different canvas or ensure previous operations were cancelled or completed.");e.add(this._canvas)}if(this._pdfBug&&globalThis.StepperManager&&globalThis.StepperManager.enabled){this.stepper=globalThis.StepperManager.create(this._pageIndex);this.stepper.init(this.operatorList);this.stepper.nextBreakPoint=this.stepper.getNextBreakPoint()}const{canvasContext:n,viewport:s,transform:a,imageLayer:i,background:o}=this.params;this.gfx=new _canvas.CanvasGraphics(n,this.commonObjs,this.objs,this.canvasFactory,this.webGLContext,i,r);this.gfx.beginDrawing({transform:a,viewport:s,transparency:t,background:o});this.operatorListIdx=0;this.graphicsReady=!0;this.graphicsReadyCallback&&this.graphicsReadyCallback()}cancel(t=null){this.running=!1;this.cancelled=!0;this.gfx&&this.gfx.endDrawing();this._canvas&&e.delete(this._canvas);this.callback(t||new _display_utils.RenderingCancelledException("Rendering cancelled, page "+(this._pageIndex+1),"canvas"))}operatorListChanged(){if(this.graphicsReady){this.stepper&&this.stepper.updateOperatorList(this.operatorList);this.running||this._continue()}else this.graphicsReadyCallback||(this.graphicsReadyCallback=this._continueBound)}_continue(){this.running=!0;this.cancelled||(this.task.onContinue?this.task.onContinue(this._scheduleNextBound):this._scheduleNext())}_scheduleNext(){this._useRequestAnimationFrame?window.requestAnimationFrame(()=>{this._nextBound().catch(this.cancel.bind(this))}):Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this))}async _next(){if(!this.cancelled){this.operatorListIdx=this.gfx.executeOperatorList(this.operatorList,this.operatorListIdx,this._continueBound,this.stepper);if(this.operatorListIdx===this.operatorList.argsArray.length){this.running=!1;if(this.operatorList.lastChunk){this.gfx.endDrawing();this._canvas&&e.delete(this._canvas);this.callback()}}}}}}(),version="2.6.347";exports.version=version;const build="3be9c65f";exports.build=build},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.FontLoader=t.FontFaceObject=void 0;var n=r(2);class BaseFontLoader{constructor({docId:e,onUnsupportedFeature:t,ownerDocument:r=globalThis.document}){this.constructor===BaseFontLoader&&(0,n.unreachable)("Cannot initialize BaseFontLoader.");this.docId=e;this._onUnsupportedFeature=t;this._document=r;this.nativeFontFaces=[];this.styleElement=null}addNativeFontFace(e){this.nativeFontFaces.push(e);this._document.fonts.add(e)}insertRule(e){let t=this.styleElement;if(!t){t=this.styleElement=this._document.createElement("style");t.id="PDFJS_FONT_STYLE_TAG_"+this.docId;this._document.documentElement.getElementsByTagName("head")[0].appendChild(t)}const r=t.sheet;r.insertRule(e,r.cssRules.length)}clear(){this.nativeFontFaces.forEach(e=>{this._document.fonts.delete(e)});this.nativeFontFaces.length=0;if(this.styleElement){this.styleElement.remove();this.styleElement=null}}async bind(e){if(e.attached||e.missingFile)return;e.attached=!0;if(this.isFontLoadingAPISupported){const t=e.createNativeFontFace();if(t){this.addNativeFontFace(t);try{await t.loaded}catch(r){this._onUnsupportedFeature({featureId:n.UNSUPPORTED_FEATURES.errorFontLoadNative});(0,n.warn)(`Failed to load font '${t.family}': '${r}'.`);e.disableFontFace=!0;throw r}}return}const t=e.createFontFaceRule();if(t){this.insertRule(t);if(this.isSyncFontLoadingSupported)return;await new Promise(r=>{const n=this._queueLoadingCallback(r);this._prepareFontLoadEvent([t],[e],n)})}}_queueLoadingCallback(e){(0,n.unreachable)("Abstract method `_queueLoadingCallback`.")}get isFontLoadingAPISupported(){const e=void 0!==this._document&&!!this._document.fonts;return(0,n.shadow)(this,"isFontLoadingAPISupported",e)}get isSyncFontLoadingSupported(){(0,n.unreachable)("Abstract method `isSyncFontLoadingSupported`.")}get _loadTestFont(){(0,n.unreachable)("Abstract method `_loadTestFont`.")}_prepareFontLoadEvent(e,t,r){(0,n.unreachable)("Abstract method `_prepareFontLoadEvent`.")}}let s;t.FontLoader=s;t.FontLoader=s=class GenericFontLoader extends BaseFontLoader{constructor(e){super(e);this.loadingContext={requests:[],nextRequestId:0};this.loadTestFontId=0}get isSyncFontLoadingSupported(){let e=!1;if("undefined"==typeof navigator)e=!0;else{const t=/Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);t&&t[1]>=14&&(e=!0)}return(0,n.shadow)(this,"isSyncFontLoadingSupported",e)}_queueLoadingCallback(e){const t=this.loadingContext,r={id:"pdfjs-font-loading-"+t.nextRequestId++,done:!1,complete:function completeRequest(){(0,n.assert)(!r.done,"completeRequest() cannot be called twice.");r.done=!0;for(;t.requests.length>0&&t.requests[0].done;){const e=t.requests.shift();setTimeout(e.callback,0)}},callback:e};t.requests.push(r);return r}get _loadTestFont(){return(0,n.shadow)(this,"_loadTestFont",atob("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"))}_prepareFontLoadEvent(e,t,r){function int32(e,t){return e.charCodeAt(t)<<24|e.charCodeAt(t+1)<<16|e.charCodeAt(t+2)<<8|255&e.charCodeAt(t+3)}function spliceString(e,t,r,n){return e.substring(0,t)+n+e.substring(t+r)}let s,a;const i=this._document.createElement("canvas");i.width=1;i.height=1;const o=i.getContext("2d");let l=0;const c=`lt${Date.now()}${this.loadTestFontId++}`;let h=this._loadTestFont;h=spliceString(h,976,c.length,c);let d=int32(h,16);for(s=0,a=c.length-3;s<a;s+=4)d=d-1482184792+int32(c,s)|0;s<c.length&&(d=d-1482184792+int32(c+"XXX",s)|0);h=spliceString(h,16,4,(0,n.string32)(d));const u=`@font-face {font-family:"${c}";src:${`url(data:font/opentype;base64,${btoa(h)});`}}`;this.insertRule(u);const p=[];for(s=0,a=t.length;s<a;s++)p.push(t[s].loadedName);p.push(c);const f=this._document.createElement("div");f.style.visibility="hidden";f.style.width=f.style.height="10px";f.style.position="absolute";f.style.top=f.style.left="0px";for(s=0,a=p.length;s<a;++s){const e=this._document.createElement("span");e.textContent="Hi";e.style.fontFamily=p[s];f.appendChild(e)}this._document.body.appendChild(f);!function isFontReady(e,t){l++;if(l>30){(0,n.warn)("Load test font never loaded.");t();return}o.font="30px "+e;o.fillText(".",0,20);o.getImageData(0,0,1,1).data[3]>0?t():setTimeout(isFontReady.bind(null,e,t))}(c,()=>{this._document.body.removeChild(f);r.complete()})}};t.FontFaceObject=class FontFaceObject{constructor(e,{isEvalSupported:t=!0,disableFontFace:r=!1,ignoreErrors:n=!1,onUnsupportedFeature:s=null,fontRegistry:a=null}){this.compiledGlyphs=Object.create(null);for(const t in e)this[t]=e[t];this.isEvalSupported=!1!==t;this.disableFontFace=!0===r;this.ignoreErrors=!0===n;this._onUnsupportedFeature=s;this.fontRegistry=a}createNativeFontFace(){if(!this.data||this.disableFontFace)return null;const e=new FontFace(this.loadedName,this.data,{});this.fontRegistry&&this.fontRegistry.registerFont(this);return e}createFontFaceRule(){if(!this.data||this.disableFontFace)return null;const e=(0,n.bytesToString)(new Uint8Array(this.data)),t=`url(data:${this.mimetype};base64,${btoa(e)});`,r=`@font-face {font-family:"${this.loadedName}";src:${t}}`;this.fontRegistry&&this.fontRegistry.registerFont(this,t);return r}getPathGenerator(e,t){if(void 0!==this.compiledGlyphs[t])return this.compiledGlyphs[t];let r,s;try{r=e.get(this.loadedName+"_path_"+t)}catch(e){if(!this.ignoreErrors)throw e;this._onUnsupportedFeature&&this._onUnsupportedFeature({featureId:n.UNSUPPORTED_FEATURES.errorFontGetPath});(0,n.warn)(`getPathGenerator - ignoring character: "${e}".`);return this.compiledGlyphs[t]=function(e,t){}}if(this.isEvalSupported&&n.IsEvalSupportedCached.value){let e,n="";for(let t=0,a=r.length;t<a;t++){s=r[t];e=void 0!==s.args?s.args.join(","):"";n+="c."+s.cmd+"("+e+");\n"}return this.compiledGlyphs[t]=new Function("c","size",n)}return this.compiledGlyphs[t]=function(e,t){for(let n=0,a=r.length;n<a;n++){s=r[n];"scale"===s.cmd&&(s.args=[t,-t]);e[s.cmd].apply(e,s.args)}}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.NodeCMapReaderFactory=t.NodeCanvasFactory=void 0;var n=r(1),s=r(4),a=r(2);let i=class{constructor(){(0,a.unreachable)("Not implemented: NodeCanvasFactory")}};t.NodeCanvasFactory=i;let o=class{constructor(){(0,a.unreachable)("Not implemented: NodeCMapReaderFactory")}};t.NodeCMapReaderFactory=o;if(s.isNodeJS){t.NodeCanvasFactory=i=class extends n.BaseCanvasFactory{create(e,t){if(e<=0||t<=0)throw new Error("Invalid canvas size");const r=require("canvas").createCanvas(e,t);return{canvas:r,context:r.getContext("2d")}}};t.NodeCMapReaderFactory=o=class extends n.BaseCMapReaderFactory{_fetchData(e,t){return new Promise((r,n)=>{require("fs").readFile(e,(e,s)=>{!e&&s?r({cMapData:new Uint8Array(s),compressionType:t}):n(new Error(e))})})}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.AnnotationStorage=void 0;t.AnnotationStorage=class AnnotationStorage{constructor(){this._storage=new Map;this._modified=!1;this.onSetModified=null;this.onResetModified=null}getOrCreateValue(e,t){if(this._storage.has(e))return this._storage.get(e);this._storage.set(e,t);return t}setValue(e,t){this._storage.get(e)!==t&&this._setModified();this._storage.set(e,t)}getAll(){return 0===this._storage.size?null:Object.fromEntries(this._storage)}get size(){return this._storage.size}_setModified(){if(!this._modified){this._modified=!0;"function"==typeof this.onSetModified&&this.onSetModified()}}resetModified(){if(this._modified){this._modified=!1;"function"==typeof this.onResetModified&&this.onResetModified()}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.apiCompatibilityParams=void 0;var n=r(4);const s=Object.create(null);!function checkFontFace(){n.isNodeJS&&(s.disableFontFace=!0)}();const a=Object.freeze(s);t.apiCompatibilityParams=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CanvasGraphics=void 0;var n=r(2),s=r(11);function addContextCurrentTransform(e){if(!e.mozCurrentTransform){e._originalSave=e.save;e._originalRestore=e.restore;e._originalRotate=e.rotate;e._originalScale=e.scale;e._originalTranslate=e.translate;e._originalTransform=e.transform;e._originalSetTransform=e.setTransform;e._transformMatrix=e._transformMatrix||[1,0,0,1,0,0];e._transformStack=[];Object.defineProperty(e,"mozCurrentTransform",{get:function getCurrentTransform(){return this._transformMatrix}});Object.defineProperty(e,"mozCurrentTransformInverse",{get:function getCurrentTransformInverse(){var e=this._transformMatrix,t=e[0],r=e[1],n=e[2],s=e[3],a=e[4],i=e[5],o=t*s-r*n,l=r*n-t*s;return[s/o,r/l,n/l,t/o,(s*a-n*i)/l,(r*a-t*i)/o]}});e.save=function ctxSave(){var e=this._transformMatrix;this._transformStack.push(e);this._transformMatrix=e.slice(0,6);this._originalSave()};e.restore=function ctxRestore(){var e=this._transformStack.pop();if(e){this._transformMatrix=e;this._originalRestore()}};e.translate=function ctxTranslate(e,t){var r=this._transformMatrix;r[4]=r[0]*e+r[2]*t+r[4];r[5]=r[1]*e+r[3]*t+r[5];this._originalTranslate(e,t)};e.scale=function ctxScale(e,t){var r=this._transformMatrix;r[0]=r[0]*e;r[1]=r[1]*e;r[2]=r[2]*t;r[3]=r[3]*t;this._originalScale(e,t)};e.transform=function ctxTransform(t,r,n,s,a,i){var o=this._transformMatrix;this._transformMatrix=[o[0]*t+o[2]*r,o[1]*t+o[3]*r,o[0]*n+o[2]*s,o[1]*n+o[3]*s,o[0]*a+o[2]*i+o[4],o[1]*a+o[3]*i+o[5]];e._originalTransform(t,r,n,s,a,i)};e.setTransform=function ctxSetTransform(t,r,n,s,a,i){this._transformMatrix=[t,r,n,s,a,i];e._originalSetTransform(t,r,n,s,a,i)};e.rotate=function ctxRotate(e){var t=Math.cos(e),r=Math.sin(e),n=this._transformMatrix;this._transformMatrix=[n[0]*t+n[2]*r,n[1]*t+n[3]*r,n[0]*-r+n[2]*t,n[1]*-r+n[3]*t,n[4],n[5]];this._originalRotate(e)}}}var a=function CachedCanvasesClosure(){function CachedCanvases(e){this.canvasFactory=e;this.cache=Object.create(null)}CachedCanvases.prototype={getCanvas:function CachedCanvases_getCanvas(e,t,r,n){var s;if(void 0!==this.cache[e]){s=this.cache[e];this.canvasFactory.reset(s,t,r);s.context.setTransform(1,0,0,1,0,0)}else{s=this.canvasFactory.create(t,r);this.cache[e]=s}n&&addContextCurrentTransform(s.context);return s},clear(){for(var e in this.cache){var t=this.cache[e];this.canvasFactory.destroy(t);delete this.cache[e]}}};return CachedCanvases}();var i=function CanvasExtraStateClosure(){function CanvasExtraState(){this.alphaIsShape=!1;this.fontSize=0;this.fontSizeScale=1;this.textMatrix=n.IDENTITY_MATRIX;this.textMatrixScale=1;this.fontMatrix=n.FONT_IDENTITY_MATRIX;this.leading=0;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRenderingMode=n.TextRenderingMode.FILL;this.textRise=0;this.fillColor="#000000";this.strokeColor="#000000";this.patternFill=!1;this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.activeSMask=null;this.resumeSMaskCtx=null;this.transferMaps=null}CanvasExtraState.prototype={clone:function CanvasExtraState_clone(){return Object.create(this)},setCurrentPoint:function CanvasExtraState_setCurrentPoint(e,t){this.x=e;this.y=t}};return CanvasExtraState}(),o=function CanvasGraphicsClosure(){function CanvasGraphics(e,t,r,n,s,o,l){this.ctx=e;this.current=new i;this.stateStack=[];this.pendingClip=null;this.pendingEOFill=!1;this.res=null;this.xobjs=null;this.commonObjs=t;this.objs=r;this.canvasFactory=n;this.webGLContext=s;this.imageLayer=o;this.groupStack=[];this.processingType3=null;this.baseTransform=null;this.baseTransformStack=[];this.groupLevel=0;this.smaskStack=[];this.smaskCounter=0;this.tempSMask=null;this.contentVisible=!0;this.markedContentStack=[];this.optionalContentConfig=l;this.cachedCanvases=new a(this.canvasFactory);e&&addContextCurrentTransform(e);this._cachedGetSinglePixelWidth=null}function putBinaryImageData(e,t,r=null){if("undefined"!=typeof ImageData&&t instanceof ImageData){e.putImageData(t,0,0);return}var s,a,i,o,l,c=t.height,h=t.width,d=c%16,u=(c-d)/16,p=0===d?u:u+1,f=e.createImageData(h,16),g=0,m=t.data,_=f.data;let A,b,y,v;if(r)switch(r.length){case 1:A=r[0];b=r[0];y=r[0];v=r[0];break;case 4:A=r[0];b=r[1];y=r[2];v=r[3]}if(t.kind===n.ImageKind.GRAYSCALE_1BPP){var C=m.byteLength,S=new Uint32Array(_.buffer,0,_.byteLength>>2),x=S.length,P=h+7>>3,k=4294967295,R=n.IsLittleEndianCached.value?4278190080:255;v&&255===v[0]&&0===v[255]&&([k,R]=[R,k]);for(a=0;a<p;a++){o=a<u?16:d;s=0;for(i=0;i<o;i++){var w=C-g;let e=0;for(var T=w>P?h:8*w-7,E=-8&T,F=0,L=0;e<E;e+=8){L=m[g++];S[s++]=128&L?k:R;S[s++]=64&L?k:R;S[s++]=32&L?k:R;S[s++]=16&L?k:R;S[s++]=8&L?k:R;S[s++]=4&L?k:R;S[s++]=2&L?k:R;S[s++]=1&L?k:R}for(;e<T;e++){if(0===F){L=m[g++];F=128}S[s++]=L&F?k:R;F>>=1}}for(;s<x;)S[s++]=0;e.putImageData(f,0,16*a)}}else if(t.kind===n.ImageKind.RGBA_32BPP){const t=!!(A||b||y);i=0;l=16*h*4;for(a=0;a<u;a++){_.set(m.subarray(g,g+l));g+=l;if(t)for(let e=0;e<l;e+=4){A&&(_[e+0]=A[_[e+0]]);b&&(_[e+1]=b[_[e+1]]);y&&(_[e+2]=y[_[e+2]])}e.putImageData(f,0,i);i+=16}if(a<p){l=h*d*4;_.set(m.subarray(g,g+l));if(t)for(let e=0;e<l;e+=4){A&&(_[e+0]=A[_[e+0]]);b&&(_[e+1]=b[_[e+1]]);y&&(_[e+2]=y[_[e+2]])}e.putImageData(f,0,i)}}else{if(t.kind!==n.ImageKind.RGB_24BPP)throw new Error("bad image kind: "+t.kind);{const t=!!(A||b||y);l=h*(o=16);for(a=0;a<p;a++){a>=u&&(l=h*(o=d));s=0;for(i=l;i--;){_[s++]=m[g++];_[s++]=m[g++];_[s++]=m[g++];_[s++]=255}if(t)for(let e=0;e<s;e+=4){A&&(_[e+0]=A[_[e+0]]);b&&(_[e+1]=b[_[e+1]]);y&&(_[e+2]=y[_[e+2]])}e.putImageData(f,0,16*a)}}}}function putBinaryImageMask(e,t){for(var r=t.height,n=t.width,s=r%16,a=(r-s)/16,i=0===s?a:a+1,o=e.createImageData(n,16),l=0,c=t.data,h=o.data,d=0;d<i;d++){for(var u=d<a?16:s,p=3,f=0;f<u;f++)for(var g=0,m=0;m<n;m++){if(!g){var _=c[l++];g=128}h[p]=_&g?0:255;p+=4;g>>=1}e.putImageData(o,0,16*d)}}function copyCtxState(e,t){for(var r=["strokeStyle","fillStyle","fillRule","globalAlpha","lineWidth","lineCap","lineJoin","miterLimit","globalCompositeOperation","font"],n=0,s=r.length;n<s;n++){var a=r[n];void 0!==e[a]&&(t[a]=e[a])}if(void 0!==e.setLineDash){t.setLineDash(e.getLineDash());t.lineDashOffset=e.lineDashOffset}}function resetCtxToDefault(e){e.strokeStyle="#000000";e.fillStyle="#000000";e.fillRule="nonzero";e.globalAlpha=1;e.lineWidth=1;e.lineCap="butt";e.lineJoin="miter";e.miterLimit=10;e.globalCompositeOperation="source-over";e.font="10px sans-serif";if(void 0!==e.setLineDash){e.setLineDash([]);e.lineDashOffset=0}}function composeSMaskBackdrop(e,t,r,n){for(var s=e.length,a=3;a<s;a+=4){var i=e[a];if(0===i){e[a-3]=t;e[a-2]=r;e[a-1]=n}else if(i<255){var o=255-i;e[a-3]=e[a-3]*i+t*o>>8;e[a-2]=e[a-2]*i+r*o>>8;e[a-1]=e[a-1]*i+n*o>>8}}}function composeSMaskAlpha(e,t,r){for(var n=e.length,s=3;s<n;s+=4){var a=r?r[e[s]]:e[s];t[s]=t[s]*a*(1/255)|0}}function composeSMaskLuminosity(e,t,r){for(var n=e.length,s=3;s<n;s+=4){var a=77*e[s-3]+152*e[s-2]+28*e[s-1];t[s]=r?t[s]*r[a>>8]>>8:t[s]*a>>16}}function composeSMask(e,t,r,n){var s=t.canvas,a=t.context;e.setTransform(t.scaleX,0,0,t.scaleY,t.offsetX,t.offsetY);var i=t.backdrop||null;if(t.transferMap||!n.isEnabled){!function genericComposeSMask(e,t,r,n,s,a,i){var o,l=!!a,c=l?a[0]:0,h=l?a[1]:0,d=l?a[2]:0;o="Luminosity"===s?composeSMaskLuminosity:composeSMaskAlpha;for(var u=Math.min(n,Math.ceil(1048576/r)),p=0;p<n;p+=u){var f=Math.min(u,n-p),g=e.getImageData(0,p,r,f),m=t.getImageData(0,p,r,f);l&&composeSMaskBackdrop(g.data,c,h,d);o(g.data,m.data,i);e.putImageData(m,0,p)}}(a,r,s.width,s.height,t.subtype,i,t.transferMap);e.drawImage(s,0,0)}else{const a=n.composeSMask({layer:r.canvas,mask:s,properties:{subtype:t.subtype,backdrop:i}});e.setTransform(1,0,0,1,0,0);e.drawImage(a,t.offsetX,t.offsetY)}}var e=["butt","round","square"],t=["miter","round","bevel"],r={},o={};CanvasGraphics.prototype={beginDrawing({transform:e,viewport:t,transparency:r=!1,background:n=null}){var s=this.ctx.canvas.width,a=this.ctx.canvas.height;this.ctx.save();this.ctx.fillStyle=n||"rgb(255, 255, 255)";this.ctx.fillRect(0,0,s,a);this.ctx.restore();if(r){var i=this.cachedCanvases.getCanvas("transparent",s,a,!0);this.compositeCtx=this.ctx;this.transparentCanvas=i.canvas;this.ctx=i.context;this.ctx.save();this.ctx.transform.apply(this.ctx,this.compositeCtx.mozCurrentTransform)}this.ctx.save();resetCtxToDefault(this.ctx);e&&this.ctx.transform.apply(this.ctx,e);this.ctx.transform.apply(this.ctx,t.transform);this.baseTransform=this.ctx.mozCurrentTransform.slice();this.imageLayer&&this.imageLayer.beginLayout()},executeOperatorList:function CanvasGraphics_executeOperatorList(e,t,r,s){var a=e.argsArray,i=e.fnArray,o=t||0,l=a.length;if(l===o)return o;for(var c,h=l-o>10&&"function"==typeof r,d=h?Date.now()+15:0,u=0,p=this.commonObjs,f=this.objs;;){if(void 0!==s&&o===s.nextBreakPoint){s.breakIt(o,r);return o}if((c=i[o])!==n.OPS.dependency)this[c].apply(this,a[o]);else for(const e of a[o]){const t=e.startsWith("g_")?p:f;if(!t.has(e)){t.get(e,r);return o}}if(++o===l)return o;if(h&&++u>10){if(Date.now()>d){r();return o}u=0}}},endDrawing:function CanvasGraphics_endDrawing(){null!==this.current.activeSMask&&this.endSMaskGroup();this.ctx.restore();if(this.transparentCanvas){this.ctx=this.compositeCtx;this.ctx.save();this.ctx.setTransform(1,0,0,1,0,0);this.ctx.drawImage(this.transparentCanvas,0,0);this.ctx.restore();this.transparentCanvas=null}this.cachedCanvases.clear();this.webGLContext.clear();this.imageLayer&&this.imageLayer.endLayout()},setLineWidth:function CanvasGraphics_setLineWidth(e){this.current.lineWidth=e;this.ctx.lineWidth=e},setLineCap:function CanvasGraphics_setLineCap(t){this.ctx.lineCap=e[t]},setLineJoin:function CanvasGraphics_setLineJoin(e){this.ctx.lineJoin=t[e]},setMiterLimit:function CanvasGraphics_setMiterLimit(e){this.ctx.miterLimit=e},setDash:function CanvasGraphics_setDash(e,t){var r=this.ctx;if(void 0!==r.setLineDash){r.setLineDash(e);r.lineDashOffset=t}},setRenderingIntent(e){},setFlatness(e){},setGState:function CanvasGraphics_setGState(e){for(var t=0,r=e.length;t<r;t++){var n=e[t],s=n[0],a=n[1];switch(s){case"LW":this.setLineWidth(a);break;case"LC":this.setLineCap(a);break;case"LJ":this.setLineJoin(a);break;case"ML":this.setMiterLimit(a);break;case"D":this.setDash(a[0],a[1]);break;case"RI":this.setRenderingIntent(a);break;case"FL":this.setFlatness(a);break;case"Font":this.setFont(a[0],a[1]);break;case"CA":this.current.strokeAlpha=n[1];break;case"ca":this.current.fillAlpha=n[1];this.ctx.globalAlpha=n[1];break;case"BM":this.ctx.globalCompositeOperation=a;break;case"SMask":this.current.activeSMask&&(this.stateStack.length>0&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask?this.suspendSMaskGroup():this.endSMaskGroup());this.current.activeSMask=a?this.tempSMask:null;this.current.activeSMask&&this.beginSMaskGroup();this.tempSMask=null;break;case"TR":this.current.transferMaps=a}}},beginSMaskGroup:function CanvasGraphics_beginSMaskGroup(){var e=this.current.activeSMask,t=e.canvas.width,r=e.canvas.height,n="smaskGroupAt"+this.groupLevel,s=this.cachedCanvases.getCanvas(n,t,r,!0),a=this.ctx,i=a.mozCurrentTransform;this.ctx.save();var o=s.context;o.scale(1/e.scaleX,1/e.scaleY);o.translate(-e.offsetX,-e.offsetY);o.transform.apply(o,i);e.startTransformInverse=o.mozCurrentTransformInverse;copyCtxState(a,o);this.ctx=o;this.setGState([["BM","source-over"],["ca",1],["CA",1]]);this.groupStack.push(a);this.groupLevel++},suspendSMaskGroup:function CanvasGraphics_endSMaskGroup(){var e=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,e,this.webGLContext);this.ctx.restore();this.ctx.save();copyCtxState(e,this.ctx);this.current.resumeSMaskCtx=e;var t=n.Util.transform(this.current.activeSMask.startTransformInverse,e.mozCurrentTransform);this.ctx.transform.apply(this.ctx,t);e.save();e.setTransform(1,0,0,1,0,0);e.clearRect(0,0,e.canvas.width,e.canvas.height);e.restore()},resumeSMaskGroup:function CanvasGraphics_endSMaskGroup(){var e=this.current.resumeSMaskCtx,t=this.ctx;this.ctx=e;this.groupStack.push(t);this.groupLevel++},endSMaskGroup:function CanvasGraphics_endSMaskGroup(){var e=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,e,this.webGLContext);this.ctx.restore();copyCtxState(e,this.ctx);var t=n.Util.transform(this.current.activeSMask.startTransformInverse,e.mozCurrentTransform);this.ctx.transform.apply(this.ctx,t)},save:function CanvasGraphics_save(){this.ctx.save();var e=this.current;this.stateStack.push(e);this.current=e.clone();this.current.resumeSMaskCtx=null},restore:function CanvasGraphics_restore(){this.current.resumeSMaskCtx&&this.resumeSMaskGroup();null===this.current.activeSMask||0!==this.stateStack.length&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask||this.endSMaskGroup();if(0!==this.stateStack.length){this.current=this.stateStack.pop();this.ctx.restore();this.pendingClip=null;this._cachedGetSinglePixelWidth=null}},transform:function CanvasGraphics_transform(e,t,r,n,s,a){this.ctx.transform(e,t,r,n,s,a);this._cachedGetSinglePixelWidth=null},constructPath:function CanvasGraphics_constructPath(e,t){for(var r=this.ctx,s=this.current,a=s.x,i=s.y,o=0,l=0,c=e.length;o<c;o++)switch(0|e[o]){case n.OPS.rectangle:a=t[l++];i=t[l++];var h=t[l++],d=t[l++];0===h&&r.lineWidth<this.getSinglePixelWidth()&&(h=this.getSinglePixelWidth());0===d&&r.lineWidth<this.getSinglePixelWidth()&&(d=this.getSinglePixelWidth());var u=a+h,p=i+d;r.moveTo(a,i);r.lineTo(u,i);r.lineTo(u,p);r.lineTo(a,p);r.lineTo(a,i);r.closePath();break;case n.OPS.moveTo:a=t[l++];i=t[l++];r.moveTo(a,i);break;case n.OPS.lineTo:a=t[l++];i=t[l++];r.lineTo(a,i);break;case n.OPS.curveTo:a=t[l+4];i=t[l+5];r.bezierCurveTo(t[l],t[l+1],t[l+2],t[l+3],a,i);l+=6;break;case n.OPS.curveTo2:r.bezierCurveTo(a,i,t[l],t[l+1],t[l+2],t[l+3]);a=t[l+2];i=t[l+3];l+=4;break;case n.OPS.curveTo3:a=t[l+2];i=t[l+3];r.bezierCurveTo(t[l],t[l+1],a,i,a,i);l+=4;break;case n.OPS.closePath:r.closePath()}s.setCurrentPoint(a,i)},closePath:function CanvasGraphics_closePath(){this.ctx.closePath()},stroke:function CanvasGraphics_stroke(e){e=void 0===e||e;var t=this.ctx,r=this.current.strokeColor;t.globalAlpha=this.current.strokeAlpha;if(this.contentVisible)if(r&&r.hasOwnProperty("type")&&"Pattern"===r.type){t.save();const e=t.mozCurrentTransform,s=n.Util.singularValueDecompose2dScale(e)[0];t.strokeStyle=r.getPattern(t,this);t.lineWidth=Math.max(.65*this.getSinglePixelWidth(),this.current.lineWidth*s);t.stroke();t.restore()}else{t.lineWidth=Math.max(.65*this.getSinglePixelWidth(),this.current.lineWidth);t.stroke()}e&&this.consumePath();t.globalAlpha=this.current.fillAlpha},closeStroke:function CanvasGraphics_closeStroke(){this.closePath();this.stroke()},fill:function CanvasGraphics_fill(e){e=void 0===e||e;var t=this.ctx,r=this.current.fillColor,n=!1;if(this.current.patternFill){t.save();this.baseTransform&&t.setTransform.apply(t,this.baseTransform);t.fillStyle=r.getPattern(t,this);n=!0}if(this.contentVisible)if(this.pendingEOFill){t.fill("evenodd");this.pendingEOFill=!1}else t.fill();n&&t.restore();e&&this.consumePath()},eoFill:function CanvasGraphics_eoFill(){this.pendingEOFill=!0;this.fill()},fillStroke:function CanvasGraphics_fillStroke(){this.fill(!1);this.stroke(!1);this.consumePath()},eoFillStroke:function CanvasGraphics_eoFillStroke(){this.pendingEOFill=!0;this.fillStroke()},closeFillStroke:function CanvasGraphics_closeFillStroke(){this.closePath();this.fillStroke()},closeEOFillStroke:function CanvasGraphics_closeEOFillStroke(){this.pendingEOFill=!0;this.closePath();this.fillStroke()},endPath:function CanvasGraphics_endPath(){this.consumePath()},clip:function CanvasGraphics_clip(){this.pendingClip=r},eoClip:function CanvasGraphics_eoClip(){this.pendingClip=o},beginText:function CanvasGraphics_beginText(){this.current.textMatrix=n.IDENTITY_MATRIX;this.current.textMatrixScale=1;this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},endText:function CanvasGraphics_endText(){var e=this.pendingTextPaths,t=this.ctx;if(void 0!==e){t.save();t.beginPath();for(var r=0;r<e.length;r++){var n=e[r];t.setTransform.apply(t,n.transform);t.translate(n.x,n.y);n.addToPath(t,n.fontSize)}t.restore();t.clip();t.beginPath();delete this.pendingTextPaths}else t.beginPath()},setCharSpacing:function CanvasGraphics_setCharSpacing(e){this.current.charSpacing=e},setWordSpacing:function CanvasGraphics_setWordSpacing(e){this.current.wordSpacing=e},setHScale:function CanvasGraphics_setHScale(e){this.current.textHScale=e/100},setLeading:function CanvasGraphics_setLeading(e){this.current.leading=-e},setFont:function CanvasGraphics_setFont(e,t){var r=this.commonObjs.get(e),s=this.current;if(!r)throw new Error("Can't find font for "+e);s.fontMatrix=r.fontMatrix?r.fontMatrix:n.FONT_IDENTITY_MATRIX;0!==s.fontMatrix[0]&&0!==s.fontMatrix[3]||(0,n.warn)("Invalid font matrix for font "+e);if(t<0){t=-t;s.fontDirection=-1}else s.fontDirection=1;this.current.font=r;this.current.fontSize=t;if(r.isType3Font)return;var a=r.loadedName||"sans-serif";let i="normal";r.black?i="900":r.bold&&(i="bold");var o=r.italic?"italic":"normal",l=`"${a}", ${r.fallbackName}`;let c=t;t<16?c=16:t>100&&(c=100);this.current.fontSizeScale=t/c;this.ctx.font=`${o} ${i} ${c}px ${l}`},setTextRenderingMode:function CanvasGraphics_setTextRenderingMode(e){this.current.textRenderingMode=e},setTextRise:function CanvasGraphics_setTextRise(e){this.current.textRise=e},moveText:function CanvasGraphics_moveText(e,t){this.current.x=this.current.lineX+=e;this.current.y=this.current.lineY+=t},setLeadingMoveText:function CanvasGraphics_setLeadingMoveText(e,t){this.setLeading(-t);this.moveText(e,t)},setTextMatrix:function CanvasGraphics_setTextMatrix(e,t,r,n,s,a){this.current.textMatrix=[e,t,r,n,s,a];this.current.textMatrixScale=Math.sqrt(e*e+t*t);this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},nextLine:function CanvasGraphics_nextLine(){this.moveText(0,this.current.leading)},paintChar(e,t,r,s){var a=this.ctx,i=this.current,o=i.font,l=i.textRenderingMode,c=i.fontSize/i.fontSizeScale,h=l&n.TextRenderingMode.FILL_STROKE_MASK,d=!!(l&n.TextRenderingMode.ADD_TO_PATH_FLAG);const u=i.patternFill&&!o.missingFile;var p;(o.disableFontFace||d||u)&&(p=o.getPathGenerator(this.commonObjs,e));if(o.disableFontFace||u){a.save();a.translate(t,r);a.beginPath();p(a,c);s&&a.setTransform.apply(a,s);h!==n.TextRenderingMode.FILL&&h!==n.TextRenderingMode.FILL_STROKE||a.fill();h!==n.TextRenderingMode.STROKE&&h!==n.TextRenderingMode.FILL_STROKE||a.stroke();a.restore()}else{h!==n.TextRenderingMode.FILL&&h!==n.TextRenderingMode.FILL_STROKE||a.fillText(e,t,r);h!==n.TextRenderingMode.STROKE&&h!==n.TextRenderingMode.FILL_STROKE||a.strokeText(e,t,r)}if(d){(this.pendingTextPaths||(this.pendingTextPaths=[])).push({transform:a.mozCurrentTransform,x:t,y:r,fontSize:c,addToPath:p})}},get isFontSubpixelAAEnabled(){const{context:e}=this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled",10,10);e.scale(1.5,1);e.fillText("I",0,10);for(var t=e.getImageData(0,0,10,10).data,r=!1,s=3;s<t.length;s+=4)if(t[s]>0&&t[s]<255){r=!0;break}return(0,n.shadow)(this,"isFontSubpixelAAEnabled",r)},showText:function CanvasGraphics_showText(e){var t=this.current,r=t.font;if(r.isType3Font)return this.showType3Text(e);var s=t.fontSize;if(0===s)return;var a=this.ctx,i=t.fontSizeScale,o=t.charSpacing,l=t.wordSpacing,c=t.fontDirection,h=t.textHScale*c,d=e.length,u=r.vertical,p=u?1:-1,f=r.defaultVMetrics,g=s*t.fontMatrix[0],m=t.textRenderingMode===n.TextRenderingMode.FILL&&!r.disableFontFace&&!t.patternFill;a.save();let _;if(t.patternFill){a.save();const e=t.fillColor.getPattern(a,this);_=a.mozCurrentTransform;a.restore();a.fillStyle=e}a.transform.apply(a,t.textMatrix);a.translate(t.x,t.y+t.textRise);c>0?a.scale(h,-1):a.scale(h,1);var A=t.lineWidth,b=t.textMatrixScale;if(0===b||0===A){var y=t.textRenderingMode&n.TextRenderingMode.FILL_STROKE_MASK;if(y===n.TextRenderingMode.STROKE||y===n.TextRenderingMode.FILL_STROKE){this._cachedGetSinglePixelWidth=null;A=.65*this.getSinglePixelWidth()}}else A/=b;if(1!==i){a.scale(i,i);A/=i}a.lineWidth=A;var v,C=0;for(v=0;v<d;++v){var S=e[v];if((0,n.isNum)(S))C+=p*S*s/1e3;else{var x,P,k,R,w=!1,T=(S.isSpace?l:0)+o,E=S.fontChar,F=S.accent,L=S.width;if(u){var M,D,O;M=S.vmetric||f;D=-(D=S.vmetric?M[1]:.5*L)*g;O=M[2]*g;L=M?-M[0]:L;x=D/i;P=(C+O)/i}else{x=C/i;P=0}if(r.remeasure&&L>0){var I=1e3*a.measureText(E).width/s*i;if(L<I&&this.isFontSubpixelAAEnabled){var N=L/I;w=!0;a.save();a.scale(N,1);x/=N}else L!==I&&(x+=(L-I)/2e3*s/i)}if(this.contentVisible&&(S.isInFont||r.missingFile))if(m&&!F)a.fillText(E,x,P);else{this.paintChar(E,x,P,_);if(F){k=x+s*F.offset.x/i;R=P-s*F.offset.y/i;this.paintChar(F.fontChar,k,R,_)}}C+=u?L*g-T*c:L*g+T*c;w&&a.restore()}}u?t.y-=C:t.x+=C*h;a.restore()},showType3Text:function CanvasGraphics_showType3Text(e){var t,r,s,a,i=this.ctx,o=this.current,l=o.font,c=o.fontSize,h=o.fontDirection,d=l.vertical?1:-1,u=o.charSpacing,p=o.wordSpacing,f=o.textHScale*h,g=o.fontMatrix||n.FONT_IDENTITY_MATRIX,m=e.length;if(!(o.textRenderingMode===n.TextRenderingMode.INVISIBLE)&&0!==c){this._cachedGetSinglePixelWidth=null;i.save();i.transform.apply(i,o.textMatrix);i.translate(o.x,o.y);i.scale(f,h);for(t=0;t<m;++t){r=e[t];if((0,n.isNum)(r)){a=d*r*c/1e3;this.ctx.translate(a,0);o.x+=a*f}else{var _=(r.isSpace?p:0)+u,A=l.charProcOperatorList[r.operatorListId];if(A){if(this.contentVisible){this.processingType3=r;this.save();i.scale(c,c);i.transform.apply(i,g);this.executeOperatorList(A);this.restore()}s=n.Util.applyTransform([r.width,0],g)[0]*c+_;i.translate(s,0);o.x+=s*f}else(0,n.warn)(`Type3 character "${r.operatorListId}" is not available.`)}}i.restore();this.processingType3=null}},setCharWidth:function CanvasGraphics_setCharWidth(e,t){},setCharWidthAndBounds:function CanvasGraphics_setCharWidthAndBounds(e,t,r,n,s,a){this.ctx.rect(r,n,s-r,a-n);this.clip();this.endPath()},getColorN_Pattern:function CanvasGraphics_getColorN_Pattern(e){var t;if("TilingPattern"===e[0]){var r=e[1],n=this.baseTransform||this.ctx.mozCurrentTransform.slice(),a={createCanvasGraphics:e=>new CanvasGraphics(e,this.commonObjs,this.objs,this.canvasFactory,this.webGLContext)};t=new s.TilingPattern(e,r,this.ctx,a,n)}else t=(0,s.getShadingPatternFromIR)(e);return t},setStrokeColorN:function CanvasGraphics_setStrokeColorN(){this.current.strokeColor=this.getColorN_Pattern(arguments)},setFillColorN:function CanvasGraphics_setFillColorN(){this.current.fillColor=this.getColorN_Pattern(arguments);this.current.patternFill=!0},setStrokeRGBColor:function CanvasGraphics_setStrokeRGBColor(e,t,r){var s=n.Util.makeCssRgb(e,t,r);this.ctx.strokeStyle=s;this.current.strokeColor=s},setFillRGBColor:function CanvasGraphics_setFillRGBColor(e,t,r){var s=n.Util.makeCssRgb(e,t,r);this.ctx.fillStyle=s;this.current.fillColor=s;this.current.patternFill=!1},shadingFill:function CanvasGraphics_shadingFill(e){if(this.contentVisible){var t=this.ctx;this.save();var r=(0,s.getShadingPatternFromIR)(e);t.fillStyle=r.getPattern(t,this,!0);var a=t.mozCurrentTransformInverse;if(a){var i=t.canvas,o=i.width,l=i.height,c=n.Util.applyTransform([0,0],a),h=n.Util.applyTransform([0,l],a),d=n.Util.applyTransform([o,0],a),u=n.Util.applyTransform([o,l],a),p=Math.min(c[0],h[0],d[0],u[0]),f=Math.min(c[1],h[1],d[1],u[1]),g=Math.max(c[0],h[0],d[0],u[0]),m=Math.max(c[1],h[1],d[1],u[1]);this.ctx.fillRect(p,f,g-p,m-f)}else this.ctx.fillRect(-1e10,-1e10,2e10,2e10);this.restore()}},beginInlineImage:function CanvasGraphics_beginInlineImage(){(0,n.unreachable)("Should not call beginInlineImage")},beginImageData:function CanvasGraphics_beginImageData(){(0,n.unreachable)("Should not call beginImageData")},paintFormXObjectBegin:function CanvasGraphics_paintFormXObjectBegin(e,t){if(this.contentVisible){this.save();this.baseTransformStack.push(this.baseTransform);Array.isArray(e)&&6===e.length&&this.transform.apply(this,e);this.baseTransform=this.ctx.mozCurrentTransform;if(t){var r=t[2]-t[0],n=t[3]-t[1];this.ctx.rect(t[0],t[1],r,n);this.clip();this.endPath()}}},paintFormXObjectEnd:function CanvasGraphics_paintFormXObjectEnd(){if(this.contentVisible){this.restore();this.baseTransform=this.baseTransformStack.pop()}},beginGroup:function CanvasGraphics_beginGroup(e){if(this.contentVisible){this.save();var t=this.ctx;e.isolated||(0,n.info)("TODO: Support non-isolated groups.");e.knockout&&(0,n.warn)("Knockout groups not supported.");var r=t.mozCurrentTransform;e.matrix&&t.transform.apply(t,e.matrix);if(!e.bbox)throw new Error("Bounding box is required.");var s=n.Util.getAxialAlignedBoundingBox(e.bbox,t.mozCurrentTransform),a=[0,0,t.canvas.width,t.canvas.height];s=n.Util.intersect(s,a)||[0,0,0,0];var i=Math.floor(s[0]),o=Math.floor(s[1]),l=Math.max(Math.ceil(s[2])-i,1),c=Math.max(Math.ceil(s[3])-o,1),h=1,d=1;if(l>4096){h=l/4096;l=4096}if(c>4096){d=c/4096;c=4096}var u="groupAt"+this.groupLevel;e.smask&&(u+="_smask_"+this.smaskCounter++%2);var p=this.cachedCanvases.getCanvas(u,l,c,!0),f=p.context;f.scale(1/h,1/d);f.translate(-i,-o);f.transform.apply(f,r);if(e.smask)this.smaskStack.push({canvas:p.canvas,context:f,offsetX:i,offsetY:o,scaleX:h,scaleY:d,subtype:e.smask.subtype,backdrop:e.smask.backdrop,transferMap:e.smask.transferMap||null,startTransformInverse:null});else{t.setTransform(1,0,0,1,0,0);t.translate(i,o);t.scale(h,d)}copyCtxState(t,f);this.ctx=f;this.setGState([["BM","source-over"],["ca",1],["CA",1]]);this.groupStack.push(t);this.groupLevel++;this.current.activeSMask=null}},endGroup:function CanvasGraphics_endGroup(e){if(this.contentVisible){this.groupLevel--;var t=this.ctx;this.ctx=this.groupStack.pop();void 0!==this.ctx.imageSmoothingEnabled?this.ctx.imageSmoothingEnabled=!1:this.ctx.mozImageSmoothingEnabled=!1;e.smask?this.tempSMask=this.smaskStack.pop():this.ctx.drawImage(t.canvas,0,0);this.restore()}},beginAnnotations:function CanvasGraphics_beginAnnotations(){this.save();this.baseTransform&&this.ctx.setTransform.apply(this.ctx,this.baseTransform)},endAnnotations:function CanvasGraphics_endAnnotations(){this.restore()},beginAnnotation:function CanvasGraphics_beginAnnotation(e,t,r){this.save();resetCtxToDefault(this.ctx);this.current=new i;if(Array.isArray(e)&&4===e.length){var n=e[2]-e[0],s=e[3]-e[1];this.ctx.rect(e[0],e[1],n,s);this.clip();this.endPath()}this.transform.apply(this,t);this.transform.apply(this,r)},endAnnotation:function CanvasGraphics_endAnnotation(){this.restore()},paintImageMaskXObject:function CanvasGraphics_paintImageMaskXObject(e){if(this.contentVisible){var t=this.ctx,r=e.width,n=e.height,s=this.current.fillColor,a=this.current.patternFill,i=this.processingType3;i&&void 0===i.compiled&&(i.compiled=r<=1e3&&n<=1e3?function compileType3Glyph(e){var t,r,n,s,a=e.width,i=e.height,o=a+1,l=new Uint8Array(o*(i+1)),c=new Uint8Array([0,2,4,0,1,0,5,4,8,10,0,8,0,2,1,0]),h=a+7&-8,d=e.data,u=new Uint8Array(h*i),p=0;for(t=0,s=d.length;t<s;t++)for(var f=128,g=d[t];f>0;){u[p++]=g&f?0:255;f>>=1}var m=0;if(0!==u[p=0]){l[0]=1;++m}for(r=1;r<a;r++){if(u[p]!==u[p+1]){l[r]=u[p]?2:1;++m}p++}if(0!==u[p]){l[r]=2;++m}for(t=1;t<i;t++){n=t*o;if(u[(p=t*h)-h]!==u[p]){l[n]=u[p]?1:8;++m}var _=(u[p]?4:0)+(u[p-h]?8:0);for(r=1;r<a;r++){if(c[_=(_>>2)+(u[p+1]?4:0)+(u[p-h+1]?8:0)]){l[n+r]=c[_];++m}p++}if(u[p-h]!==u[p]){l[n+r]=u[p]?2:4;++m}if(m>1e3)return null}n=t*o;if(0!==u[p=h*(i-1)]){l[n]=8;++m}for(r=1;r<a;r++){if(u[p]!==u[p+1]){l[n+r]=u[p]?4:8;++m}p++}if(0!==u[p]){l[n+r]=4;++m}if(m>1e3)return null;var A=new Int32Array([0,o,-1,0,-o,0,0,0,1]),b=[];for(t=0;m&&t<=i;t++){for(var y=t*o,v=y+a;y<v&&!l[y];)y++;if(y!==v){var C,S=[y%o,t],x=l[y],P=y;do{var k=A[x];do{y+=k}while(!l[y]);if(5!==(C=l[y])&&10!==C){x=C;l[y]=0}else{x=C&51*x>>4;l[y]&=x>>2|x<<2}S.push(y%o);S.push(y/o|0);l[y]||--m}while(P!==y);b.push(S);--t}}return function(e){e.save();e.scale(1/a,-1/i);e.translate(0,-i);e.beginPath();for(let r=0,n=b.length;r<n;r++){var t=b[r];e.moveTo(t[0],t[1]);for(let r=2,n=t.length;r<n;r+=2)e.lineTo(t[r],t[r+1])}e.fill();e.beginPath();e.restore()}}({data:e.data,width:r,height:n}):null);if(i&&i.compiled)i.compiled(t);else{var o=this.cachedCanvases.getCanvas("maskCanvas",r,n),l=o.context;l.save();putBinaryImageMask(l,e);l.globalCompositeOperation="source-in";l.fillStyle=a?s.getPattern(l,this):s;l.fillRect(0,0,r,n);l.restore();this.paintInlineImageXObject(o.canvas)}}},paintImageMaskXObjectRepeat(e,t,r=0,n=0,s,a){if(this.contentVisible){var i=e.width,o=e.height,l=this.current.fillColor,c=this.current.patternFill,h=this.cachedCanvases.getCanvas("maskCanvas",i,o),d=h.context;d.save();putBinaryImageMask(d,e);d.globalCompositeOperation="source-in";d.fillStyle=c?l.getPattern(d,this):l;d.fillRect(0,0,i,o);d.restore();for(var u=this.ctx,p=0,f=a.length;p<f;p+=2){u.save();u.transform(t,r,n,s,a[p],a[p+1]);u.scale(1,-1);u.drawImage(h.canvas,0,0,i,o,0,-1,1,1);u.restore()}}},paintImageMaskXObjectGroup:function CanvasGraphics_paintImageMaskXObjectGroup(e){if(this.contentVisible)for(var t=this.ctx,r=this.current.fillColor,n=this.current.patternFill,s=0,a=e.length;s<a;s++){var i=e[s],o=i.width,l=i.height,c=this.cachedCanvases.getCanvas("maskCanvas",o,l),h=c.context;h.save();putBinaryImageMask(h,i);h.globalCompositeOperation="source-in";h.fillStyle=n?r.getPattern(h,this):r;h.fillRect(0,0,o,l);h.restore();t.save();t.transform.apply(t,i.transform);t.scale(1,-1);t.drawImage(c.canvas,0,0,o,l,0,-1,1,1);t.restore()}},paintImageXObject:function CanvasGraphics_paintImageXObject(e){if(!this.contentVisible)return;const t=e.startsWith("g_")?this.commonObjs.get(e):this.objs.get(e);t?this.paintInlineImageXObject(t):(0,n.warn)("Dependent image isn't ready yet")},paintImageXObjectRepeat:function CanvasGraphics_paintImageXObjectRepeat(e,t,r,s){if(!this.contentVisible)return;const a=e.startsWith("g_")?this.commonObjs.get(e):this.objs.get(e);if(a){for(var i=a.width,o=a.height,l=[],c=0,h=s.length;c<h;c+=2)l.push({transform:[t,0,0,r,s[c],s[c+1]],x:0,y:0,w:i,h:o});this.paintInlineImageXObjectGroup(a,l)}else(0,n.warn)("Dependent image isn't ready yet")},paintInlineImageXObject:function CanvasGraphics_paintInlineImageXObject(e){if(this.contentVisible){var t=e.width,r=e.height,n=this.ctx;this.save();n.scale(1/t,-1/r);var s,a,i=n.mozCurrentTransformInverse,o=i[0],l=i[1],c=Math.max(Math.sqrt(o*o+l*l),1),h=i[2],d=i[3],u=Math.max(Math.sqrt(h*h+d*d),1);if("function"==typeof HTMLElement&&e instanceof HTMLElement||!e.data)s=e;else{var p=(a=this.cachedCanvases.getCanvas("inlineImage",t,r)).context;putBinaryImageData(p,e,this.current.transferMaps);s=a.canvas}for(var f=t,g=r,m="prescale1";c>2&&f>1||u>2&&g>1;){var _=f,A=g;c>2&&f>1&&(c/=f/(_=Math.ceil(f/2)));u>2&&g>1&&(u/=g/(A=Math.ceil(g/2)));(p=(a=this.cachedCanvases.getCanvas(m,_,A)).context).clearRect(0,0,_,A);p.drawImage(s,0,0,f,g,0,0,_,A);s=a.canvas;f=_;g=A;m="prescale1"===m?"prescale2":"prescale1"}n.drawImage(s,0,0,f,g,0,-r,t,r);if(this.imageLayer){var b=this.getCanvasPosition(0,-r);this.imageLayer.appendImage({imgData:e,left:b[0],top:b[1],width:t/i[0],height:r/i[3]})}this.restore()}},paintInlineImageXObjectGroup:function CanvasGraphics_paintInlineImageXObjectGroup(e,t){if(this.contentVisible){var r=this.ctx,n=e.width,s=e.height,a=this.cachedCanvases.getCanvas("inlineImage",n,s);putBinaryImageData(a.context,e,this.current.transferMaps);for(var i=0,o=t.length;i<o;i++){var l=t[i];r.save();r.transform.apply(r,l.transform);r.scale(1,-1);r.drawImage(a.canvas,l.x,l.y,l.w,l.h,0,-1,1,1);if(this.imageLayer){var c=this.getCanvasPosition(l.x,l.y);this.imageLayer.appendImage({imgData:e,left:c[0],top:c[1],width:n,height:s})}r.restore()}}},paintSolidColorImageMask:function CanvasGraphics_paintSolidColorImageMask(){this.contentVisible&&this.ctx.fillRect(0,0,1,1)},markPoint:function CanvasGraphics_markPoint(e){},markPointProps:function CanvasGraphics_markPointProps(e,t){},beginMarkedContent:function CanvasGraphics_beginMarkedContent(e){this.markedContentStack.push({visible:!0})},beginMarkedContentProps:function CanvasGraphics_beginMarkedContentProps(e,t){"OC"===e?this.markedContentStack.push({visible:this.optionalContentConfig.isVisible(t)}):this.markedContentStack.push({visible:!0});this.contentVisible=this.isContentVisible()},endMarkedContent:function CanvasGraphics_endMarkedContent(){this.markedContentStack.pop();this.contentVisible=this.isContentVisible()},beginCompat:function CanvasGraphics_beginCompat(){},endCompat:function CanvasGraphics_endCompat(){},consumePath:function CanvasGraphics_consumePath(){var e=this.ctx;if(this.pendingClip){this.pendingClip===o?e.clip("evenodd"):e.clip();this.pendingClip=null}e.beginPath()},getSinglePixelWidth(e){if(null===this._cachedGetSinglePixelWidth){const e=this.ctx.mozCurrentTransformInverse;this._cachedGetSinglePixelWidth=Math.sqrt(Math.max(e[0]*e[0]+e[1]*e[1],e[2]*e[2]+e[3]*e[3]))}return this._cachedGetSinglePixelWidth},getCanvasPosition:function CanvasGraphics_getCanvasPosition(e,t){var r=this.ctx.mozCurrentTransform;return[r[0]*e+r[2]*t+r[4],r[1]*e+r[3]*t+r[5]]},isContentVisible:function CanvasGraphics_isContentVisible(){for(let e=this.markedContentStack.length-1;e>=0;e--)if(!this.markedContentStack[e].visible)return!1;return!0}};for(var l in n.OPS)CanvasGraphics.prototype[n.OPS[l]]=CanvasGraphics.prototype[l];return CanvasGraphics}();t.CanvasGraphics=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getShadingPatternFromIR=function getShadingPatternFromIR(e){var t=s[e[0]];if(!t)throw new Error("Unknown IR type: "+e[0]);return t.fromIR(e)};t.TilingPattern=void 0;var n=r(2),s={};function applyBoundingBox(e,t){if(!t||"undefined"==typeof Path2D)return;const r=t[2]-t[0],n=t[3]-t[1],s=new Path2D;s.rect(t[0],t[1],r,n);e.clip(s)}s.RadialAxial={fromIR:function RadialAxial_fromIR(e){var t=e[1],r=e[2],n=e[3],s=e[4],a=e[5],i=e[6],o=e[7];return{type:"Pattern",getPattern:function RadialAxial_getPattern(e){applyBoundingBox(e,r);var l;"axial"===t?l=e.createLinearGradient(s[0],s[1],a[0],a[1]):"radial"===t&&(l=e.createRadialGradient(s[0],s[1],i,a[0],a[1],o));for(var c=0,h=n.length;c<h;++c){var d=n[c];l.addColorStop(d[0],d[1])}return l}}}};var a=function createMeshCanvasClosure(){function drawTriangle(e,t,r,n,s,a,i,o){var l,c=t.coords,h=t.colors,d=e.data,u=4*e.width;if(c[r+1]>c[n+1]){l=r;r=n;n=l;l=a;a=i;i=l}if(c[n+1]>c[s+1]){l=n;n=s;s=l;l=i;i=o;o=l}if(c[r+1]>c[n+1]){l=r;r=n;n=l;l=a;a=i;i=l}var p=(c[r]+t.offsetX)*t.scaleX,f=(c[r+1]+t.offsetY)*t.scaleY,g=(c[n]+t.offsetX)*t.scaleX,m=(c[n+1]+t.offsetY)*t.scaleY,_=(c[s]+t.offsetX)*t.scaleX,A=(c[s+1]+t.offsetY)*t.scaleY;if(!(f>=A))for(var b,y,v,C,S,x,P,k,R=h[a],w=h[a+1],T=h[a+2],E=h[i],F=h[i+1],L=h[i+2],M=h[o],D=h[o+1],O=h[o+2],I=Math.round(f),N=Math.round(A),j=I;j<=N;j++){if(j<m){let e;e=j<f?0:f===m?1:(f-j)/(f-m);b=p-(p-g)*e;y=R-(R-E)*e;v=w-(w-F)*e;C=T-(T-L)*e}else{let e;e=j>A?1:m===A?0:(m-j)/(m-A);b=g-(g-_)*e;y=E-(E-M)*e;v=F-(F-D)*e;C=L-(L-O)*e}let e;e=j<f?0:j>A?1:(f-j)/(f-A);S=p-(p-_)*e;x=R-(R-M)*e;P=w-(w-D)*e;k=T-(T-O)*e;for(var G=Math.round(Math.min(b,S)),U=Math.round(Math.max(b,S)),W=u*j+4*G,q=G;q<=U;q++){e=(b-q)/(b-S);e<0?e=0:e>1&&(e=1);d[W++]=y-(y-x)*e|0;d[W++]=v-(v-P)*e|0;d[W++]=C-(C-k)*e|0;d[W++]=255}}}function drawFigure(e,t,r){var n,s,a=t.coords,i=t.colors;switch(t.type){case"lattice":var o=t.verticesPerRow,l=Math.floor(a.length/o)-1,c=o-1;for(n=0;n<l;n++)for(var h=n*o,d=0;d<c;d++,h++){drawTriangle(e,r,a[h],a[h+1],a[h+o],i[h],i[h+1],i[h+o]);drawTriangle(e,r,a[h+o+1],a[h+1],a[h+o],i[h+o+1],i[h+1],i[h+o])}break;case"triangles":for(n=0,s=a.length;n<s;n+=3)drawTriangle(e,r,a[n],a[n+1],a[n+2],i[n],i[n+1],i[n+2]);break;default:throw new Error("illegal figure")}}return function createMeshCanvas(e,t,r,n,s,a,i,o){var l,c,h,d,u=Math.floor(e[0]),p=Math.floor(e[1]),f=Math.ceil(e[2])-u,g=Math.ceil(e[3])-p,m=Math.min(Math.ceil(Math.abs(f*t[0]*1.1)),3e3),_=Math.min(Math.ceil(Math.abs(g*t[1]*1.1)),3e3),A=f/m,b=g/_,y={coords:r,colors:n,offsetX:-u,offsetY:-p,scaleX:1/A,scaleY:1/b},v=m+4,C=_+4;if(o.isEnabled){l=o.drawFigures({width:m,height:_,backgroundColor:a,figures:s,context:y});(c=i.getCanvas("mesh",v,C,!1)).context.drawImage(l,2,2);l=c.canvas}else{var S=(c=i.getCanvas("mesh",v,C,!1)).context,x=S.createImageData(m,_);if(a){var P=x.data;for(h=0,d=P.length;h<d;h+=4){P[h]=a[0];P[h+1]=a[1];P[h+2]=a[2];P[h+3]=255}}for(h=0;h<s.length;h++)drawFigure(x,s[h],y);S.putImageData(x,2,2);l=c.canvas}return{canvas:l,offsetX:u-2*A,offsetY:p-2*b,scaleX:A,scaleY:b}}}();s.Mesh={fromIR:function Mesh_fromIR(e){var t=e[2],r=e[3],s=e[4],i=e[5],o=e[6],l=e[7],c=e[8];return{type:"Pattern",getPattern:function Mesh_getPattern(e,h,d){applyBoundingBox(e,l);var u;if(d)u=n.Util.singularValueDecompose2dScale(e.mozCurrentTransform);else{u=n.Util.singularValueDecompose2dScale(h.baseTransform);if(o){var p=n.Util.singularValueDecompose2dScale(o);u=[u[0]*p[0],u[1]*p[1]]}}var f=a(i,u,t,r,s,d?null:c,h.cachedCanvases,h.webGLContext);if(!d){e.setTransform.apply(e,h.baseTransform);o&&e.transform.apply(e,o)}e.translate(f.offsetX,f.offsetY);e.scale(f.scaleX,f.scaleY);return e.createPattern(f.canvas,"no-repeat")}}}};s.Dummy={fromIR:function Dummy_fromIR(){return{type:"Pattern",getPattern:function Dummy_fromIR_getPattern(){return"hotpink"}}}};var i=function TilingPatternClosure(){var e=1,t=2;function TilingPattern(e,t,r,n,s){this.operatorList=e[2];this.matrix=e[3]||[1,0,0,1,0,0];this.bbox=e[4];this.xstep=e[5];this.ystep=e[6];this.paintType=e[7];this.tilingType=e[8];this.color=t;this.canvasGraphicsFactory=n;this.baseTransform=s;this.type="Pattern";this.ctx=r}TilingPattern.prototype={createPatternCanvas:function TilinPattern_createPatternCanvas(e){var t=this.operatorList,r=this.bbox,s=this.xstep,a=this.ystep,i=this.paintType,o=this.tilingType,l=this.color,c=this.canvasGraphicsFactory;(0,n.info)("TilingType: "+o);var h=r[0],d=r[1],u=r[2],p=r[3],f=n.Util.singularValueDecompose2dScale(this.matrix),g=n.Util.singularValueDecompose2dScale(this.baseTransform),m=[f[0]*g[0],f[1]*g[1]],_=this.getSizeAndScale(s,this.ctx.canvas.width,m[0]),A=this.getSizeAndScale(a,this.ctx.canvas.height,m[1]),b=e.cachedCanvases.getCanvas("pattern",_.size,A.size,!0),y=b.context,v=c.createCanvasGraphics(y);v.groupLevel=e.groupLevel;this.setFillAndStrokeStyleToContext(v,i,l);v.transform(_.scale,0,0,A.scale,0,0);v.transform(1,0,0,1,-h,-d);this.clipBbox(v,r,h,d,u,p);v.executeOperatorList(t);this.ctx.transform(1,0,0,1,h,d);this.ctx.scale(1/_.scale,1/A.scale);return b.canvas},getSizeAndScale:function TilingPattern_getSizeAndScale(e,t,r){e=Math.abs(e);var n=Math.max(3e3,t),s=Math.ceil(e*r);s>=n?s=n:r=s/e;return{scale:r,size:s}},clipBbox:function clipBbox(e,t,r,n,s,a){if(Array.isArray(t)&&4===t.length){var i=s-r,o=a-n;e.ctx.rect(r,n,i,o);e.clip();e.endPath()}},setFillAndStrokeStyleToContext:function setFillAndStrokeStyleToContext(r,s,a){const i=r.ctx,o=r.current;switch(s){case e:var l=this.ctx;i.fillStyle=l.fillStyle;i.strokeStyle=l.strokeStyle;o.fillColor=l.fillStyle;o.strokeColor=l.strokeStyle;break;case t:var c=n.Util.makeCssRgb(a[0],a[1],a[2]);i.fillStyle=c;i.strokeStyle=c;o.fillColor=c;o.strokeColor=c;break;default:throw new n.FormatError("Unsupported paint type: "+s)}},getPattern:function TilingPattern_getPattern(e,t){(e=this.ctx).setTransform.apply(e,this.baseTransform);e.transform.apply(e,this.matrix);var r=this.createPatternCanvas(t);return e.createPattern(r,"repeat")}};return TilingPattern}();t.TilingPattern=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.GlobalWorkerOptions=void 0;const n=Object.create(null);t.GlobalWorkerOptions=n;n.workerPort=void 0===n.workerPort?null:n.workerPort;n.workerSrc=void 0===n.workerSrc?"":n.workerSrc},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.MessageHandler=void 0;var n=r(2);const s=1,a=2,i=1,o=2,l=3,c=4,h=5,d=6,u=7,p=8;function wrapReason(e){if("object"!=typeof e||null===e)return e;switch(e.name){case"AbortException":return new n.AbortException(e.message);case"MissingPDFException":return new n.MissingPDFException(e.message);case"UnexpectedResponseException":return new n.UnexpectedResponseException(e.message,e.status);case"UnknownErrorException":return new n.UnknownErrorException(e.message,e.details);default:return new n.UnknownErrorException(e.message,e.toString())}}t.MessageHandler=class MessageHandler{constructor(e,t,r){this.sourceName=e;this.targetName=t;this.comObj=r;this.callbackId=1;this.streamId=1;this.postMessageTransfers=!0;this.streamSinks=Object.create(null);this.streamControllers=Object.create(null);this.callbackCapabilities=Object.create(null);this.actionHandler=Object.create(null);this._onComObjOnMessage=e=>{const t=e.data;if(t.targetName!==this.sourceName)return;if(t.stream){this._processStreamMessage(t);return}if(t.callback){const e=t.callbackId,r=this.callbackCapabilities[e];if(!r)throw new Error("Cannot resolve callback "+e);delete this.callbackCapabilities[e];if(t.callback===s)r.resolve(t.data);else{if(t.callback!==a)throw new Error("Unexpected callback case");r.reject(wrapReason(t.reason))}return}const n=this.actionHandler[t.action];if(!n)throw new Error("Unknown action from worker: "+t.action);if(t.callbackId){const e=this.sourceName,i=t.sourceName;new Promise((function(e){e(n(t.data))})).then((function(n){r.postMessage({sourceName:e,targetName:i,callback:s,callbackId:t.callbackId,data:n})}),(function(n){r.postMessage({sourceName:e,targetName:i,callback:a,callbackId:t.callbackId,reason:wrapReason(n)})}))}else t.streamId?this._createStreamSink(t):n(t.data)};r.addEventListener("message",this._onComObjOnMessage)}on(e,t){const r=this.actionHandler;if(r[e])throw new Error(`There is already an actionName called "${e}"`);r[e]=t}send(e,t,r){this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:e,data:t},r)}sendWithPromise(e,t,r){const s=this.callbackId++,a=(0,n.createPromiseCapability)();this.callbackCapabilities[s]=a;try{this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:e,callbackId:s,data:t},r)}catch(e){a.reject(e)}return a.promise}sendWithStream(e,t,r,s){const a=this.streamId++,o=this.sourceName,l=this.targetName,c=this.comObj;return new ReadableStream({start:r=>{const i=(0,n.createPromiseCapability)();this.streamControllers[a]={controller:r,startCall:i,pullCall:null,cancelCall:null,isClosed:!1};this._postMessage({sourceName:o,targetName:l,action:e,streamId:a,data:t,desiredSize:r.desiredSize},s);return i.promise},pull:e=>{const t=(0,n.createPromiseCapability)();this.streamControllers[a].pullCall=t;c.postMessage({sourceName:o,targetName:l,stream:d,streamId:a,desiredSize:e.desiredSize});return t.promise},cancel:e=>{(0,n.assert)(e instanceof Error,"cancel must have a valid reason");const t=(0,n.createPromiseCapability)();this.streamControllers[a].cancelCall=t;this.streamControllers[a].isClosed=!0;c.postMessage({sourceName:o,targetName:l,stream:i,streamId:a,reason:wrapReason(e)});return t.promise}},r)}_createStreamSink(e){const t=this,r=this.actionHandler[e.action],s=e.streamId,a=this.sourceName,i=e.sourceName,o=this.comObj,d={enqueue(e,r=1,o){if(this.isCancelled)return;const l=this.desiredSize;this.desiredSize-=r;if(l>0&&this.desiredSize<=0){this.sinkCapability=(0,n.createPromiseCapability)();this.ready=this.sinkCapability.promise}t._postMessage({sourceName:a,targetName:i,stream:c,streamId:s,chunk:e},o)},close(){if(!this.isCancelled){this.isCancelled=!0;o.postMessage({sourceName:a,targetName:i,stream:l,streamId:s});delete t.streamSinks[s]}},error(e){(0,n.assert)(e instanceof Error,"error must have a valid reason");if(!this.isCancelled){this.isCancelled=!0;o.postMessage({sourceName:a,targetName:i,stream:h,streamId:s,reason:wrapReason(e)})}},sinkCapability:(0,n.createPromiseCapability)(),onPull:null,onCancel:null,isCancelled:!1,desiredSize:e.desiredSize,ready:null};d.sinkCapability.resolve();d.ready=d.sinkCapability.promise;this.streamSinks[s]=d;new Promise((function(t){t(r(e.data,d))})).then((function(){o.postMessage({sourceName:a,targetName:i,stream:p,streamId:s,success:!0})}),(function(e){o.postMessage({sourceName:a,targetName:i,stream:p,streamId:s,reason:wrapReason(e)})}))}_processStreamMessage(e){const t=e.streamId,r=this.sourceName,s=e.sourceName,a=this.comObj;switch(e.stream){case p:e.success?this.streamControllers[t].startCall.resolve():this.streamControllers[t].startCall.reject(wrapReason(e.reason));break;case u:e.success?this.streamControllers[t].pullCall.resolve():this.streamControllers[t].pullCall.reject(wrapReason(e.reason));break;case d:if(!this.streamSinks[t]){a.postMessage({sourceName:r,targetName:s,stream:u,streamId:t,success:!0});break}this.streamSinks[t].desiredSize<=0&&e.desiredSize>0&&this.streamSinks[t].sinkCapability.resolve();this.streamSinks[t].desiredSize=e.desiredSize;const{onPull:f}=this.streamSinks[e.streamId];new Promise((function(e){e(f&&f())})).then((function(){a.postMessage({sourceName:r,targetName:s,stream:u,streamId:t,success:!0})}),(function(e){a.postMessage({sourceName:r,targetName:s,stream:u,streamId:t,reason:wrapReason(e)})}));break;case c:(0,n.assert)(this.streamControllers[t],"enqueue should have stream controller");if(this.streamControllers[t].isClosed)break;this.streamControllers[t].controller.enqueue(e.chunk);break;case l:(0,n.assert)(this.streamControllers[t],"close should have stream controller");if(this.streamControllers[t].isClosed)break;this.streamControllers[t].isClosed=!0;this.streamControllers[t].controller.close();this._deleteStreamController(t);break;case h:(0,n.assert)(this.streamControllers[t],"error should have stream controller");this.streamControllers[t].controller.error(wrapReason(e.reason));this._deleteStreamController(t);break;case o:e.success?this.streamControllers[t].cancelCall.resolve():this.streamControllers[t].cancelCall.reject(wrapReason(e.reason));this._deleteStreamController(t);break;case i:if(!this.streamSinks[t])break;const{onCancel:g}=this.streamSinks[e.streamId];new Promise((function(t){t(g&&g(wrapReason(e.reason)))})).then((function(){a.postMessage({sourceName:r,targetName:s,stream:o,streamId:t,success:!0})}),(function(e){a.postMessage({sourceName:r,targetName:s,stream:o,streamId:t,reason:wrapReason(e)})}));this.streamSinks[t].sinkCapability.reject(wrapReason(e.reason));this.streamSinks[t].isCancelled=!0;delete this.streamSinks[t];break;default:throw new Error("Unexpected stream case")}}async _deleteStreamController(e){await Promise.allSettled([this.streamControllers[e].startCall,this.streamControllers[e].pullCall,this.streamControllers[e].cancelCall].map((function(e){return e&&e.promise})));delete this.streamControllers[e]}_postMessage(e,t){t&&this.postMessageTransfers?this.comObj.postMessage(e,t):this.comObj.postMessage(e)}destroy(){this.comObj.removeEventListener("message",this._onComObjOnMessage)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Metadata=void 0;var n=r(2),s=r(15);t.Metadata=class Metadata{constructor(e){(0,n.assert)("string"==typeof e,"Metadata: input is not a string");e=this._repair(e);const t=(new s.SimpleXMLParser).parseFromString(e);this._metadataMap=new Map;t&&this._parse(t)}_repair(e){return e.replace(/^[^<]+/,"").replace(/>\\376\\377([^<]+)/g,(function(e,t){const r=t.replace(/\\([0-3])([0-7])([0-7])/g,(function(e,t,r,n){return String.fromCharCode(64*t+8*r+1*n)})).replace(/&(amp|apos|gt|lt|quot);/g,(function(e,t){switch(t){case"amp":return"&";case"apos":return"'";case"gt":return">";case"lt":return"<";case"quot":return'"'}throw new Error(`_repair: ${t} isn't defined.`)}));let n="";for(let e=0,t=r.length;e<t;e+=2){const t=256*r.charCodeAt(e)+r.charCodeAt(e+1);n+=t>=32&&t<127&&60!==t&&62!==t&&38!==t?String.fromCharCode(t):"&#x"+(65536+t).toString(16).substring(1)+";"}return">"+n}))}_parse(e){let t=e.documentElement;if("rdf:rdf"!==t.nodeName.toLowerCase()){t=t.firstChild;for(;t&&"rdf:rdf"!==t.nodeName.toLowerCase();)t=t.nextSibling}const r=t?t.nodeName.toLowerCase():null;if(!t||"rdf:rdf"!==r||!t.hasChildNodes())return;const n=t.childNodes;for(let e=0,t=n.length;e<t;e++){const t=n[e];if("rdf:description"===t.nodeName.toLowerCase())for(let e=0,r=t.childNodes.length;e<r;e++)if("#text"!==t.childNodes[e].nodeName.toLowerCase()){const r=t.childNodes[e],n=r.nodeName.toLowerCase();this._metadataMap.set(n,r.textContent.trim())}}}get(e){return this._metadataMap.has(e)?this._metadataMap.get(e):null}getAll(){return Object.fromEntries(this._metadataMap)}has(e){return this._metadataMap.has(e)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.SimpleXMLParser=void 0;const n=0,s=-2,a=-3,i=-4,o=-5,l=-6,c=-9;function isWhitespace(e,t){const r=e[t];return" "===r||"\n"===r||"\r"===r||"\t"===r}class SimpleDOMNode{constructor(e,t){this.nodeName=e;this.nodeValue=t;Object.defineProperty(this,"parentNode",{value:null,writable:!0})}get firstChild(){return this.childNodes&&this.childNodes[0]}get nextSibling(){const e=this.parentNode.childNodes;if(!e)return;const t=e.indexOf(this);return-1!==t?e[t+1]:void 0}get textContent(){return this.childNodes?this.childNodes.map((function(e){return e.textContent})).join(""):this.nodeValue||""}hasChildNodes(){return this.childNodes&&this.childNodes.length>0}}t.SimpleXMLParser=class SimpleXMLParser extends class XMLParserBase{_resolveEntities(e){return e.replace(/&([^;]+);/g,(e,t)=>{if("#x"===t.substring(0,2))return String.fromCharCode(parseInt(t.substring(2),16));if("#"===t.substring(0,1))return String.fromCharCode(parseInt(t.substring(1),10));switch(t){case"lt":return"<";case"gt":return">";case"amp":return"&";case"quot":return'"'}return this.onResolveEntity(t)})}_parseContent(e,t){const r=[];let n=t;function skipWs(){for(;n<e.length&&isWhitespace(e,n);)++n}for(;n<e.length&&!isWhitespace(e,n)&&">"!==e[n]&&"/"!==e[n];)++n;const s=e.substring(t,n);skipWs();for(;n<e.length&&">"!==e[n]&&"/"!==e[n]&&"?"!==e[n];){skipWs();let t="",s="";for(;n<e.length&&!isWhitespace(e,n)&&"="!==e[n];){t+=e[n];++n}skipWs();if("="!==e[n])return null;++n;skipWs();const a=e[n];if('"'!==a&&"'"!==a)return null;const i=e.indexOf(a,++n);if(i<0)return null;s=e.substring(n,i);r.push({name:t,value:this._resolveEntities(s)});n=i+1;skipWs()}return{name:s,attributes:r,parsed:n-t}}_parseProcessingInstruction(e,t){let r=t;for(;r<e.length&&!isWhitespace(e,r)&&">"!==e[r]&&"/"!==e[r];)++r;const n=e.substring(t,r);!function skipWs(){for(;r<e.length&&isWhitespace(e,r);)++r}();const s=r;for(;r<e.length&&("?"!==e[r]||">"!==e[r+1]);)++r;return{name:n,value:e.substring(s,r),parsed:r-t}}parseXml(e){let t=0;for(;t<e.length;){let r=t;if("<"===e[t]){++r;let t;switch(e[r]){case"/":++r;t=e.indexOf(">",r);if(t<0){this.onError(c);return}this.onEndElement(e.substring(r,t));r=t+1;break;case"?":++r;const n=this._parseProcessingInstruction(e,r);if("?>"!==e.substring(r+n.parsed,r+n.parsed+2)){this.onError(a);return}this.onPi(n.name,n.value);r+=n.parsed+2;break;case"!":if("--"===e.substring(r+1,r+3)){t=e.indexOf("--\x3e",r+3);if(t<0){this.onError(o);return}this.onComment(e.substring(r+3,t));r=t+3}else if("[CDATA["===e.substring(r+1,r+8)){t=e.indexOf("]]>",r+8);if(t<0){this.onError(s);return}this.onCdata(e.substring(r+8,t));r=t+3}else{if("DOCTYPE"!==e.substring(r+1,r+8)){this.onError(l);return}{const n=e.indexOf("[",r+8);let s=!1;t=e.indexOf(">",r+8);if(t<0){this.onError(i);return}if(n>0&&t>n){t=e.indexOf("]>",r+8);if(t<0){this.onError(i);return}s=!0}const a=e.substring(r+8,t+(s?1:0));this.onDoctype(a);r=t+(s?2:1)}}break;default:const h=this._parseContent(e,r);if(null===h){this.onError(l);return}let d=!1;if("/>"===e.substring(r+h.parsed,r+h.parsed+2))d=!0;else if(">"!==e.substring(r+h.parsed,r+h.parsed+1)){this.onError(c);return}this.onBeginElement(h.name,h.attributes,d);r+=h.parsed+(d?2:1)}}else{for(;r<e.length&&"<"!==e[r];)r++;const n=e.substring(t,r);this.onText(this._resolveEntities(n))}t=r}}onResolveEntity(e){return`&${e};`}onPi(e,t){}onComment(e){}onCdata(e){}onDoctype(e){}onText(e){}onBeginElement(e,t,r){}onEndElement(e){}onError(e){}}{constructor(){super();this._currentFragment=null;this._stack=null;this._errorCode=n}parseFromString(e){this._currentFragment=[];this._stack=[];this._errorCode=n;this.parseXml(e);if(this._errorCode!==n)return;const[t]=this._currentFragment;return t?{documentElement:t}:void 0}onResolveEntity(e){switch(e){case"apos":return"'"}return super.onResolveEntity(e)}onText(e){if(function isWhitespaceString(e){for(let t=0,r=e.length;t<r;t++)if(!isWhitespace(e,t))return!1;return!0}(e))return;const t=new SimpleDOMNode("#text",e);this._currentFragment.push(t)}onCdata(e){const t=new SimpleDOMNode("#text",e);this._currentFragment.push(t)}onBeginElement(e,t,r){const n=new SimpleDOMNode(e);n.childNodes=[];this._currentFragment.push(n);if(!r){this._stack.push(this._currentFragment);this._currentFragment=n.childNodes}}onEndElement(e){this._currentFragment=this._stack.pop()||[];const t=this._currentFragment[this._currentFragment.length-1];if(t)for(let e=0,r=t.childNodes.length;e<r;e++)t.childNodes[e].parentNode=t}onError(e){this._errorCode=e}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.OptionalContentConfig=void 0;var n=r(2);class OptionalContentGroup{constructor(e,t){this.visible=!0;this.name=e;this.intent=t}}t.OptionalContentConfig=class OptionalContentConfig{constructor(e){this.name=null;this.creator=null;this._order=null;this._groups=new Map;if(null!==e){this.name=e.name;this.creator=e.creator;this._order=e.order;for(const t of e.groups)this._groups.set(t.id,new OptionalContentGroup(t.name,t.intent));if("OFF"===e.baseState)for(const e of this._groups)e.visible=!1;for(const t of e.on)this._groups.get(t).visible=!0;for(const t of e.off)this._groups.get(t).visible=!1}}isVisible(e){if("OCG"===e.type){if(!this._groups.has(e.id)){(0,n.warn)("Optional content group not found: "+e.id);return!0}return this._groups.get(e.id).visible}if("OCMD"===e.type){e.expression&&(0,n.warn)("Visibility expression not supported yet.");if(!e.policy||"AnyOn"===e.policy){for(const t of e.ids){if(!this._groups.has(t)){(0,n.warn)("Optional content group not found: "+t);return!0}if(this._groups.get(t).visible)return!0}return!1}if("AllOn"===e.policy){for(const t of e.ids){if(!this._groups.has(t)){(0,n.warn)("Optional content group not found: "+t);return!0}if(!this._groups.get(t).visible)return!1}return!0}if("AnyOff"===e.policy){for(const t of e.ids){if(!this._groups.has(t)){(0,n.warn)("Optional content group not found: "+t);return!0}if(!this._groups.get(t).visible)return!0}return!1}if("AllOff"===e.policy){for(const t of e.ids){if(!this._groups.has(t)){(0,n.warn)("Optional content group not found: "+t);return!0}if(this._groups.get(t).visible)return!1}return!0}(0,n.warn)(`Unknown optional content policy ${e.policy}.`);return!0}(0,n.warn)(`Unknown group type ${e.type}.`);return!0}setVisibility(e,t=!0){this._groups.has(e)?this._groups.get(e).visible=!!t:(0,n.warn)("Optional content group not found: "+e)}getOrder(){return this._groups.size?this._order?this._order.slice():Array.from(this._groups.keys()):null}getGroups(){return this._groups.size?Object.fromEntries(this._groups):null}getGroup(e){return this._groups.get(e)||null}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFDataTransportStream=void 0;var n=r(2);t.PDFDataTransportStream=class PDFDataTransportStream{constructor(e,t){(0,n.assert)(t,'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');this._queuedChunks=[];this._progressiveDone=e.progressiveDone||!1;const r=e.initialData;if(r&&r.length>0){const e=new Uint8Array(r).buffer;this._queuedChunks.push(e)}this._pdfDataRangeTransport=t;this._isStreamingSupported=!e.disableStream;this._isRangeSupported=!e.disableRange;this._contentLength=e.length;this._fullRequestReader=null;this._rangeReaders=[];this._pdfDataRangeTransport.addRangeListener((e,t)=>{this._onReceiveData({begin:e,chunk:t})});this._pdfDataRangeTransport.addProgressListener((e,t)=>{this._onProgress({loaded:e,total:t})});this._pdfDataRangeTransport.addProgressiveReadListener(e=>{this._onReceiveData({chunk:e})});this._pdfDataRangeTransport.addProgressiveDoneListener(()=>{this._onProgressiveDone()});this._pdfDataRangeTransport.transportReady()}_onReceiveData(e){const t=new Uint8Array(e.chunk).buffer;if(void 0===e.begin)this._fullRequestReader?this._fullRequestReader._enqueue(t):this._queuedChunks.push(t);else{const r=this._rangeReaders.some((function(r){if(r._begin!==e.begin)return!1;r._enqueue(t);return!0}));(0,n.assert)(r,"_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.")}}get _progressiveDataLength(){return this._fullRequestReader?this._fullRequestReader._loaded:0}_onProgress(e){if(void 0===e.total){const t=this._rangeReaders[0];t&&t.onProgress&&t.onProgress({loaded:e.loaded})}else{const t=this._fullRequestReader;t&&t.onProgress&&t.onProgress({loaded:e.loaded,total:e.total})}}_onProgressiveDone(){this._fullRequestReader&&this._fullRequestReader.progressiveDone();this._progressiveDone=!0}_removeRangeReader(e){const t=this._rangeReaders.indexOf(e);t>=0&&this._rangeReaders.splice(t,1)}getFullReader(){(0,n.assert)(!this._fullRequestReader,"PDFDataTransportStream.getFullReader can only be called once.");const e=this._queuedChunks;this._queuedChunks=null;return new PDFDataTransportStreamReader(this,e,this._progressiveDone)}getRangeReader(e,t){if(t<=this._progressiveDataLength)return null;const r=new PDFDataTransportStreamRangeReader(this,e,t);this._pdfDataRangeTransport.requestDataRange(e,t);this._rangeReaders.push(r);return r}cancelAllRequests(e){this._fullRequestReader&&this._fullRequestReader.cancel(e);this._rangeReaders.slice(0).forEach((function(t){t.cancel(e)}));this._pdfDataRangeTransport.abort()}};class PDFDataTransportStreamReader{constructor(e,t,r=!1){this._stream=e;this._done=r||!1;this._filename=null;this._queuedChunks=t||[];this._loaded=0;for(const e of this._queuedChunks)this._loaded+=e.byteLength;this._requests=[];this._headersReady=Promise.resolve();e._fullRequestReader=this;this.onProgress=null}_enqueue(e){if(!this._done){if(this._requests.length>0){this._requests.shift().resolve({value:e,done:!1})}else this._queuedChunks.push(e);this._loaded+=e.byteLength}}get headersReady(){return this._headersReady}get filename(){return this._filename}get isRangeSupported(){return this._stream._isRangeSupported}get isStreamingSupported(){return this._stream._isStreamingSupported}get contentLength(){return this._stream._contentLength}async read(){if(this._queuedChunks.length>0){return{value:this._queuedChunks.shift(),done:!1}}if(this._done)return{value:void 0,done:!0};const e=(0,n.createPromiseCapability)();this._requests.push(e);return e.promise}cancel(e){this._done=!0;this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[]}progressiveDone(){this._done||(this._done=!0)}}class PDFDataTransportStreamRangeReader{constructor(e,t,r){this._stream=e;this._begin=t;this._end=r;this._queuedChunk=null;this._requests=[];this._done=!1;this.onProgress=null}_enqueue(e){if(!this._done){if(0===this._requests.length)this._queuedChunk=e;else{this._requests.shift().resolve({value:e,done:!1});this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[]}this._done=!0;this._stream._removeRangeReader(this)}}get isStreamingSupported(){return!1}async read(){if(this._queuedChunk){const e=this._queuedChunk;this._queuedChunk=null;return{value:e,done:!1}}if(this._done)return{value:void 0,done:!0};const e=(0,n.createPromiseCapability)();this._requests.push(e);return e.promise}cancel(e){this._done=!0;this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[];this._stream._removeRangeReader(this)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.WebGLContext=void 0;var n=r(2);t.WebGLContext=class WebGLContext{constructor({enable:e=!1}){this._enabled=!0===e}get isEnabled(){let e=this._enabled;e&&(e=s.tryInitGL());return(0,n.shadow)(this,"isEnabled",e)}composeSMask({layer:e,mask:t,properties:r}){return s.composeSMask(e,t,r)}drawFigures({width:e,height:t,backgroundColor:r,figures:n,context:a}){return s.drawFigures(e,t,r,n,a)}clear(){s.cleanup()}};var s=function WebGLUtilsClosure(){function loadShader(e,t,r){var n=e.createShader(r);e.shaderSource(n,t);e.compileShader(n);if(!e.getShaderParameter(n,e.COMPILE_STATUS)){var s=e.getShaderInfoLog(n);throw new Error("Error during shader compilation: "+s)}return n}function createVertexShader(e,t){return loadShader(e,t,e.VERTEX_SHADER)}function createFragmentShader(e,t){return loadShader(e,t,e.FRAGMENT_SHADER)}function createProgram(e,t){for(var r=e.createProgram(),n=0,s=t.length;n<s;++n)e.attachShader(r,t[n]);e.linkProgram(r);if(!e.getProgramParameter(r,e.LINK_STATUS)){var a=e.getProgramInfoLog(r);throw new Error("Error during program linking: "+a)}return r}function createTexture(e,t,r){e.activeTexture(r);var n=e.createTexture();e.bindTexture(e.TEXTURE_2D,n);e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE);e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE);e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST);e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST);e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t);return n}var e,t;function generateGL(){if(!e){t=document.createElement("canvas");e=t.getContext("webgl",{premultipliedalpha:!1})}}var r=null;var n=null;return{tryInitGL(){try{generateGL();return!!e}catch(e){}return!1},composeSMask:function composeSMask(n,s,a){var i=n.width,o=n.height;r||function initSmaskGL(){var n,s;generateGL();n=t;t=null;s=e;e=null;var a=createProgram(s,[createVertexShader(s,"  attribute vec2 a_position;                                      attribute vec2 a_texCoord;                                                                                                      uniform vec2 u_resolution;                                                                                                      varying vec2 v_texCoord;                                                                                                        void main() {                                                     vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;       gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);                                                                              v_texCoord = a_texCoord;                                      }                                                             "),createFragmentShader(s,"  precision mediump float;                                                                                                        uniform vec4 u_backdrop;                                        uniform int u_subtype;                                          uniform sampler2D u_image;                                      uniform sampler2D u_mask;                                                                                                       varying vec2 v_texCoord;                                                                                                        void main() {                                                     vec4 imageColor = texture2D(u_image, v_texCoord);               vec4 maskColor = texture2D(u_mask, v_texCoord);                 if (u_backdrop.a > 0.0) {                                         maskColor.rgb = maskColor.rgb * maskColor.a +                                   u_backdrop.rgb * (1.0 - maskColor.a);         }                                                               float lum;                                                      if (u_subtype == 0) {                                             lum = maskColor.a;                                            } else {                                                          lum = maskColor.r * 0.3 + maskColor.g * 0.59 +                        maskColor.b * 0.11;                                     }                                                               imageColor.a *= lum;                                            imageColor.rgb *= imageColor.a;                                 gl_FragColor = imageColor;                                    }                                                             ")]);s.useProgram(a);var i={};i.gl=s;i.canvas=n;i.resolutionLocation=s.getUniformLocation(a,"u_resolution");i.positionLocation=s.getAttribLocation(a,"a_position");i.backdropLocation=s.getUniformLocation(a,"u_backdrop");i.subtypeLocation=s.getUniformLocation(a,"u_subtype");var o=s.getAttribLocation(a,"a_texCoord"),l=s.getUniformLocation(a,"u_image"),c=s.getUniformLocation(a,"u_mask"),h=s.createBuffer();s.bindBuffer(s.ARRAY_BUFFER,h);s.bufferData(s.ARRAY_BUFFER,new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]),s.STATIC_DRAW);s.enableVertexAttribArray(o);s.vertexAttribPointer(o,2,s.FLOAT,!1,0,0);s.uniform1i(l,0);s.uniform1i(c,1);r=i}();var l=r,c=l.canvas,h=l.gl;c.width=i;c.height=o;h.viewport(0,0,h.drawingBufferWidth,h.drawingBufferHeight);h.uniform2f(l.resolutionLocation,i,o);a.backdrop?h.uniform4f(l.resolutionLocation,a.backdrop[0],a.backdrop[1],a.backdrop[2],1):h.uniform4f(l.resolutionLocation,0,0,0,0);h.uniform1i(l.subtypeLocation,"Luminosity"===a.subtype?1:0);var d=createTexture(h,n,h.TEXTURE0),u=createTexture(h,s,h.TEXTURE1),p=h.createBuffer();h.bindBuffer(h.ARRAY_BUFFER,p);h.bufferData(h.ARRAY_BUFFER,new Float32Array([0,0,i,0,0,o,0,o,i,0,i,o]),h.STATIC_DRAW);h.enableVertexAttribArray(l.positionLocation);h.vertexAttribPointer(l.positionLocation,2,h.FLOAT,!1,0,0);h.clearColor(0,0,0,0);h.enable(h.BLEND);h.blendFunc(h.ONE,h.ONE_MINUS_SRC_ALPHA);h.clear(h.COLOR_BUFFER_BIT);h.drawArrays(h.TRIANGLES,0,6);h.flush();h.deleteTexture(d);h.deleteTexture(u);h.deleteBuffer(p);return c},drawFigures:function drawFigures(r,s,a,i,o){n||function initFiguresGL(){var r,s;generateGL();r=t;t=null;s=e;e=null;var a=createProgram(s,[createVertexShader(s,"  attribute vec2 a_position;                                      attribute vec3 a_color;                                                                                                         uniform vec2 u_resolution;                                      uniform vec2 u_scale;                                           uniform vec2 u_offset;                                                                                                          varying vec4 v_color;                                                                                                           void main() {                                                     vec2 position = (a_position + u_offset) * u_scale;              vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;         gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);                                                                              v_color = vec4(a_color / 255.0, 1.0);                         }                                                             "),createFragmentShader(s,"  precision mediump float;                                                                                                        varying vec4 v_color;                                                                                                           void main() {                                                     gl_FragColor = v_color;                                       }                                                             ")]);s.useProgram(a);var i={};i.gl=s;i.canvas=r;i.resolutionLocation=s.getUniformLocation(a,"u_resolution");i.scaleLocation=s.getUniformLocation(a,"u_scale");i.offsetLocation=s.getUniformLocation(a,"u_offset");i.positionLocation=s.getAttribLocation(a,"a_position");i.colorLocation=s.getAttribLocation(a,"a_color");n=i}();var l=n,c=l.canvas,h=l.gl;c.width=r;c.height=s;h.viewport(0,0,h.drawingBufferWidth,h.drawingBufferHeight);h.uniform2f(l.resolutionLocation,r,s);var d,u,p,f=0;for(d=0,u=i.length;d<u;d++)switch(i[d].type){case"lattice":f+=((p=i[d].coords.length/i[d].verticesPerRow|0)-1)*(i[d].verticesPerRow-1)*6;break;case"triangles":f+=i[d].coords.length}var g=new Float32Array(2*f),m=new Uint8Array(3*f),_=o.coords,A=o.colors,b=0,y=0;for(d=0,u=i.length;d<u;d++){var v=i[d],C=v.coords,S=v.colors;switch(v.type){case"lattice":var x=v.verticesPerRow;p=C.length/x|0;for(var P=1;P<p;P++)for(var k=P*x+1,R=1;R<x;R++,k++){g[b]=_[C[k-x-1]];g[b+1]=_[C[k-x-1]+1];g[b+2]=_[C[k-x]];g[b+3]=_[C[k-x]+1];g[b+4]=_[C[k-1]];g[b+5]=_[C[k-1]+1];m[y]=A[S[k-x-1]];m[y+1]=A[S[k-x-1]+1];m[y+2]=A[S[k-x-1]+2];m[y+3]=A[S[k-x]];m[y+4]=A[S[k-x]+1];m[y+5]=A[S[k-x]+2];m[y+6]=A[S[k-1]];m[y+7]=A[S[k-1]+1];m[y+8]=A[S[k-1]+2];g[b+6]=g[b+2];g[b+7]=g[b+3];g[b+8]=g[b+4];g[b+9]=g[b+5];g[b+10]=_[C[k]];g[b+11]=_[C[k]+1];m[y+9]=m[y+3];m[y+10]=m[y+4];m[y+11]=m[y+5];m[y+12]=m[y+6];m[y+13]=m[y+7];m[y+14]=m[y+8];m[y+15]=A[S[k]];m[y+16]=A[S[k]+1];m[y+17]=A[S[k]+2];b+=12;y+=18}break;case"triangles":for(var w=0,T=C.length;w<T;w++){g[b]=_[C[w]];g[b+1]=_[C[w]+1];m[y]=A[S[w]];m[y+1]=A[S[w]+1];m[y+2]=A[S[w]+2];b+=2;y+=3}}}a?h.clearColor(a[0]/255,a[1]/255,a[2]/255,1):h.clearColor(0,0,0,0);h.clear(h.COLOR_BUFFER_BIT);var E=h.createBuffer();h.bindBuffer(h.ARRAY_BUFFER,E);h.bufferData(h.ARRAY_BUFFER,g,h.STATIC_DRAW);h.enableVertexAttribArray(l.positionLocation);h.vertexAttribPointer(l.positionLocation,2,h.FLOAT,!1,0,0);var F=h.createBuffer();h.bindBuffer(h.ARRAY_BUFFER,F);h.bufferData(h.ARRAY_BUFFER,m,h.STATIC_DRAW);h.enableVertexAttribArray(l.colorLocation);h.vertexAttribPointer(l.colorLocation,3,h.UNSIGNED_BYTE,!1,0,0);h.uniform2f(l.scaleLocation,o.scaleX,o.scaleY);h.uniform2f(l.offsetLocation,o.offsetX,o.offsetY);h.drawArrays(h.TRIANGLES,0,f);h.flush();h.deleteBuffer(E);h.deleteBuffer(F);return c},cleanup(){if(r&&r.canvas){r.canvas.width=0;r.canvas.height=0}if(n&&n.canvas){n.canvas.width=0;n.canvas.height=0}r=null;n=null}}}()},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.AnnotationLayer=void 0;var n=r(1),s=r(2),a=r(8);class AnnotationElementFactory{static create(e){switch(e.data.annotationType){case s.AnnotationType.LINK:return new LinkAnnotationElement(e);case s.AnnotationType.TEXT:return new TextAnnotationElement(e);case s.AnnotationType.WIDGET:switch(e.data.fieldType){case"Tx":return new TextWidgetAnnotationElement(e);case"Btn":return e.data.radioButton?new RadioButtonWidgetAnnotationElement(e):e.data.checkBox?new CheckboxWidgetAnnotationElement(e):new PushButtonWidgetAnnotationElement(e);case"Ch":return new ChoiceWidgetAnnotationElement(e)}return new WidgetAnnotationElement(e);case s.AnnotationType.POPUP:return new PopupAnnotationElement(e);case s.AnnotationType.FREETEXT:return new FreeTextAnnotationElement(e);case s.AnnotationType.LINE:return new LineAnnotationElement(e);case s.AnnotationType.SQUARE:return new SquareAnnotationElement(e);case s.AnnotationType.CIRCLE:return new CircleAnnotationElement(e);case s.AnnotationType.POLYLINE:return new PolylineAnnotationElement(e);case s.AnnotationType.CARET:return new CaretAnnotationElement(e);case s.AnnotationType.INK:return new InkAnnotationElement(e);case s.AnnotationType.POLYGON:return new PolygonAnnotationElement(e);case s.AnnotationType.HIGHLIGHT:return new HighlightAnnotationElement(e);case s.AnnotationType.UNDERLINE:return new UnderlineAnnotationElement(e);case s.AnnotationType.SQUIGGLY:return new SquigglyAnnotationElement(e);case s.AnnotationType.STRIKEOUT:return new StrikeOutAnnotationElement(e);case s.AnnotationType.STAMP:return new StampAnnotationElement(e);case s.AnnotationType.FILEATTACHMENT:return new FileAttachmentAnnotationElement(e);default:return new AnnotationElement(e)}}}class AnnotationElement{constructor(e,t=!1,r=!1){this.isRenderable=t;this.data=e.data;this.layer=e.layer;this.page=e.page;this.viewport=e.viewport;this.linkService=e.linkService;this.downloadManager=e.downloadManager;this.imageResourcesPath=e.imageResourcesPath;this.renderInteractiveForms=e.renderInteractiveForms;this.svgFactory=e.svgFactory;this.annotationStorage=e.annotationStorage;t&&(this.container=this._createContainer(r))}_createContainer(e=!1){const t=this.data,r=this.page,n=this.viewport,a=document.createElement("section");let i=t.rect[2]-t.rect[0],o=t.rect[3]-t.rect[1];a.setAttribute("data-annotation-id",t.id);const l=s.Util.normalizeRect([t.rect[0],r.view[3]-t.rect[1]+r.view[1],t.rect[2],r.view[3]-t.rect[3]+r.view[1]]);a.style.transform=`matrix(${n.transform.join(",")})`;a.style.transformOrigin=`-${l[0]}px -${l[1]}px`;if(!e&&t.borderStyle.width>0){a.style.borderWidth=t.borderStyle.width+"px";if(t.borderStyle.style!==s.AnnotationBorderStyleType.UNDERLINE){i-=2*t.borderStyle.width;o-=2*t.borderStyle.width}const e=t.borderStyle.horizontalCornerRadius,r=t.borderStyle.verticalCornerRadius;if(e>0||r>0){const t=`${e}px / ${r}px`;a.style.borderRadius=t}switch(t.borderStyle.style){case s.AnnotationBorderStyleType.SOLID:a.style.borderStyle="solid";break;case s.AnnotationBorderStyleType.DASHED:a.style.borderStyle="dashed";break;case s.AnnotationBorderStyleType.BEVELED:(0,s.warn)("Unimplemented border style: beveled");break;case s.AnnotationBorderStyleType.INSET:(0,s.warn)("Unimplemented border style: inset");break;case s.AnnotationBorderStyleType.UNDERLINE:a.style.borderBottomStyle="solid"}t.color?a.style.borderColor=s.Util.makeCssRgb(0|t.color[0],0|t.color[1],0|t.color[2]):a.style.borderWidth=0}a.style.left=l[0]+"px";a.style.top=l[1]+"px";a.style.width=i+"px";a.style.height=o+"px";return a}_createPopup(e,t,r){if(!t){(t=document.createElement("div")).style.height=e.style.height;t.style.width=e.style.width;e.appendChild(t)}const n=new PopupElement({container:e,trigger:t,color:r.color,title:r.title,modificationDate:r.modificationDate,contents:r.contents,hideWrapper:!0}).render();n.style.left=e.style.width;e.appendChild(n)}render(){(0,s.unreachable)("Abstract method `AnnotationElement.render` called")}}class LinkAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.url||e.data.dest||e.data.action))}render(){this.container.className="linkAnnotation";const{data:e,linkService:t}=this,r=document.createElement("a");e.url?(0,n.addLinkAttributes)(r,{url:e.url,target:e.newWindow?n.LinkTarget.BLANK:t.externalLinkTarget,rel:t.externalLinkRel,enabled:t.externalLinkEnabled}):e.action?this._bindNamedAction(r,e.action):this._bindLink(r,e.dest);this.container.appendChild(r);return this.container}_bindLink(e,t){e.href=this.linkService.getDestinationHash(t);e.onclick=()=>{t&&this.linkService.navigateTo(t);return!1};t&&(e.className="internalLink")}_bindNamedAction(e,t){e.href=this.linkService.getAnchorUrl("");e.onclick=()=>{this.linkService.executeNamedAction(t);return!1};e.className="internalLink"}}class TextAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents))}render(){this.container.className="textAnnotation";const e=document.createElement("img");e.style.height=this.container.style.height;e.style.width=this.container.style.width;e.src=this.imageResourcesPath+"annotation-"+this.data.name.toLowerCase()+".svg";e.alt="[{{type}} Annotation]";e.dataset.l10nId="text_annotation_type";e.dataset.l10nArgs=JSON.stringify({type:this.data.name});this.data.hasPopup||this._createPopup(this.container,e,this.data);this.container.appendChild(e);return this.container}}class WidgetAnnotationElement extends AnnotationElement{render(){return this.container}}class TextWidgetAnnotationElement extends WidgetAnnotationElement{constructor(e){super(e,e.renderInteractiveForms||!e.data.hasAppearance&&!!e.data.fieldValue)}render(){const e=["left","center","right"],t=this.annotationStorage,r=this.data.id;this.container.className="textWidgetAnnotation";let n=null;if(this.renderInteractiveForms){const e=t.getOrCreateValue(r,this.data.fieldValue);if(this.data.multiLine){n=document.createElement("textarea");n.textContent=e}else{n=document.createElement("input");n.type="text";n.setAttribute("value",e)}n.addEventListener("input",(function(e){t.setValue(r,e.target.value)}));n.disabled=this.data.readOnly;n.name=this.data.fieldName;null!==this.data.maxLen&&(n.maxLength=this.data.maxLen);if(this.data.comb){const e=(this.data.rect[2]-this.data.rect[0])/this.data.maxLen;n.classList.add("comb");n.style.letterSpacing=`calc(${e}px - 1ch)`}}else{n=document.createElement("div");n.textContent=this.data.fieldValue;n.style.verticalAlign="middle";n.style.display="table-cell";let e=null;this.data.fontRefName&&this.page.commonObjs.has(this.data.fontRefName)&&(e=this.page.commonObjs.get(this.data.fontRefName));this._setTextStyle(n,e)}null!==this.data.textAlignment&&(n.style.textAlign=e[this.data.textAlignment]);this.container.appendChild(n);return this.container}_setTextStyle(e,t){const r=e.style;r.fontSize=this.data.fontSize+"px";r.direction=this.data.fontDirection<0?"rtl":"ltr";if(!t)return;let n="normal";t.black?n="900":t.bold&&(n="bold");r.fontWeight=n;r.fontStyle=t.italic?"italic":"normal";const s=t.loadedName?`"${t.loadedName}", `:"",a=t.fallbackName||"Helvetica, sans-serif";r.fontFamily=s+a}}class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement{constructor(e){super(e,e.renderInteractiveForms)}render(){const e=this.annotationStorage,t=this.data,r=t.id,n=e.getOrCreateValue(r,t.fieldValue&&"Off"!==t.fieldValue);this.container.className="buttonWidgetAnnotation checkBox";const s=document.createElement("input");s.disabled=t.readOnly;s.type="checkbox";s.name=this.data.fieldName;n&&s.setAttribute("checked",!0);s.addEventListener("change",(function(t){e.setValue(r,t.target.checked)}));this.container.appendChild(s);return this.container}}class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement{constructor(e){super(e,e.renderInteractiveForms)}render(){this.container.className="buttonWidgetAnnotation radioButton";const e=this.annotationStorage,t=this.data,r=t.id,n=e.getOrCreateValue(r,t.fieldValue===t.buttonValue),s=document.createElement("input");s.disabled=t.readOnly;s.type="radio";s.name=t.fieldName;n&&s.setAttribute("checked",!0);s.addEventListener("change",(function(t){const n=t.target.name;for(const r of document.getElementsByName(n))r!==t.target&&e.setValue(r.parentNode.getAttribute("data-annotation-id"),!1);e.setValue(r,t.target.checked)}));this.container.appendChild(s);return this.container}}class PushButtonWidgetAnnotationElement extends LinkAnnotationElement{render(){const e=super.render();e.className="buttonWidgetAnnotation pushButton";return e}}class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement{constructor(e){super(e,e.renderInteractiveForms)}render(){this.container.className="choiceWidgetAnnotation";const e=this.annotationStorage,t=this.data.id;e.getOrCreateValue(t,this.data.fieldValue.length>0?this.data.fieldValue[0]:null);const r=document.createElement("select");r.disabled=this.data.readOnly;r.name=this.data.fieldName;if(!this.data.combo){r.size=this.data.options.length;this.data.multiSelect&&(r.multiple=!0)}for(const e of this.data.options){const t=document.createElement("option");t.textContent=e.displayValue;t.value=e.exportValue;this.data.fieldValue.includes(e.exportValue)&&t.setAttribute("selected",!0);r.appendChild(t)}r.addEventListener("input",(function(r){const n=r.target.options,s=n[n.selectedIndex].value;e.setValue(t,s)}));this.container.appendChild(r);return this.container}}class PopupAnnotationElement extends AnnotationElement{constructor(e){super(e,!(!e.data.title&&!e.data.contents))}render(){this.container.className="popupAnnotation";if(["Line","Square","Circle","PolyLine","Polygon","Ink"].includes(this.data.parentType))return this.container;const e=`[data-annotation-id="${this.data.parentId}"]`,t=this.layer.querySelector(e);if(!t)return this.container;const r=new PopupElement({container:this.container,trigger:t,color:this.data.color,title:this.data.title,modificationDate:this.data.modificationDate,contents:this.data.contents}),n=parseFloat(t.style.left),s=parseFloat(t.style.width);this.container.style.transformOrigin=`-${n+s}px -${t.style.top}`;this.container.style.left=n+s+"px";this.container.appendChild(r.render());return this.container}}class PopupElement{constructor(e){this.container=e.container;this.trigger=e.trigger;this.color=e.color;this.title=e.title;this.modificationDate=e.modificationDate;this.contents=e.contents;this.hideWrapper=e.hideWrapper||!1;this.pinned=!1}render(){const e=document.createElement("div");e.className="popupWrapper";this.hideElement=this.hideWrapper?e:this.container;this.hideElement.setAttribute("hidden",!0);const t=document.createElement("div");t.className="popup";const r=this.color;if(r){const e=.7*(255-r[0])+r[0],n=.7*(255-r[1])+r[1],a=.7*(255-r[2])+r[2];t.style.backgroundColor=s.Util.makeCssRgb(0|e,0|n,0|a)}const a=document.createElement("h1");a.textContent=this.title;t.appendChild(a);const i=n.PDFDateString.toDateObject(this.modificationDate);if(i){const e=document.createElement("span");e.textContent="{{date}}, {{time}}";e.dataset.l10nId="annotation_date_string";e.dataset.l10nArgs=JSON.stringify({date:i.toLocaleDateString(),time:i.toLocaleTimeString()});t.appendChild(e)}const o=this._formatContents(this.contents);t.appendChild(o);this.trigger.addEventListener("click",this._toggle.bind(this));this.trigger.addEventListener("mouseover",this._show.bind(this,!1));this.trigger.addEventListener("mouseout",this._hide.bind(this,!1));t.addEventListener("click",this._hide.bind(this,!0));e.appendChild(t);return e}_formatContents(e){const t=document.createElement("p"),r=e.split(/(?:\r\n?|\n)/);for(let e=0,n=r.length;e<n;++e){const s=r[e];t.appendChild(document.createTextNode(s));e<n-1&&t.appendChild(document.createElement("br"))}return t}_toggle(){this.pinned?this._hide(!0):this._show(!0)}_show(e=!1){e&&(this.pinned=!0);if(this.hideElement.hasAttribute("hidden")){this.hideElement.removeAttribute("hidden");this.container.style.zIndex+=1}}_hide(e=!0){e&&(this.pinned=!1);if(!this.hideElement.hasAttribute("hidden")&&!this.pinned){this.hideElement.setAttribute("hidden",!0);this.container.style.zIndex-=1}}}class FreeTextAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="freeTextAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class LineAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="lineAnnotation";const e=this.data,t=e.rect[2]-e.rect[0],r=e.rect[3]-e.rect[1],n=this.svgFactory.create(t,r),s=this.svgFactory.createElement("svg:line");s.setAttribute("x1",e.rect[2]-e.lineCoordinates[0]);s.setAttribute("y1",e.rect[3]-e.lineCoordinates[1]);s.setAttribute("x2",e.rect[2]-e.lineCoordinates[2]);s.setAttribute("y2",e.rect[3]-e.lineCoordinates[3]);s.setAttribute("stroke-width",e.borderStyle.width||1);s.setAttribute("stroke","transparent");n.appendChild(s);this.container.append(n);this._createPopup(this.container,s,e);return this.container}}class SquareAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="squareAnnotation";const e=this.data,t=e.rect[2]-e.rect[0],r=e.rect[3]-e.rect[1],n=this.svgFactory.create(t,r),s=e.borderStyle.width,a=this.svgFactory.createElement("svg:rect");a.setAttribute("x",s/2);a.setAttribute("y",s/2);a.setAttribute("width",t-s);a.setAttribute("height",r-s);a.setAttribute("stroke-width",s||1);a.setAttribute("stroke","transparent");a.setAttribute("fill","none");n.appendChild(a);this.container.append(n);this._createPopup(this.container,a,e);return this.container}}class CircleAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="circleAnnotation";const e=this.data,t=e.rect[2]-e.rect[0],r=e.rect[3]-e.rect[1],n=this.svgFactory.create(t,r),s=e.borderStyle.width,a=this.svgFactory.createElement("svg:ellipse");a.setAttribute("cx",t/2);a.setAttribute("cy",r/2);a.setAttribute("rx",t/2-s/2);a.setAttribute("ry",r/2-s/2);a.setAttribute("stroke-width",s||1);a.setAttribute("stroke","transparent");a.setAttribute("fill","none");n.appendChild(a);this.container.append(n);this._createPopup(this.container,a,e);return this.container}}class PolylineAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0);this.containerClassName="polylineAnnotation";this.svgElementName="svg:polyline"}render(){this.container.className=this.containerClassName;const e=this.data,t=e.rect[2]-e.rect[0],r=e.rect[3]-e.rect[1],n=this.svgFactory.create(t,r);let s=[];for(const t of e.vertices){const r=t.x-e.rect[0],n=e.rect[3]-t.y;s.push(r+","+n)}s=s.join(" ");const a=this.svgFactory.createElement(this.svgElementName);a.setAttribute("points",s);a.setAttribute("stroke-width",e.borderStyle.width||1);a.setAttribute("stroke","transparent");a.setAttribute("fill","none");n.appendChild(a);this.container.append(n);this._createPopup(this.container,a,e);return this.container}}class PolygonAnnotationElement extends PolylineAnnotationElement{constructor(e){super(e);this.containerClassName="polygonAnnotation";this.svgElementName="svg:polygon"}}class CaretAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="caretAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class InkAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0);this.containerClassName="inkAnnotation";this.svgElementName="svg:polyline"}render(){this.container.className=this.containerClassName;const e=this.data,t=e.rect[2]-e.rect[0],r=e.rect[3]-e.rect[1],n=this.svgFactory.create(t,r);for(const t of e.inkLists){let r=[];for(const n of t){const t=n.x-e.rect[0],s=e.rect[3]-n.y;r.push(`${t},${s}`)}r=r.join(" ");const s=this.svgFactory.createElement(this.svgElementName);s.setAttribute("points",r);s.setAttribute("stroke-width",e.borderStyle.width||1);s.setAttribute("stroke","transparent");s.setAttribute("fill","none");this._createPopup(this.container,s,e);n.appendChild(s)}this.container.append(n);return this.container}}class HighlightAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="highlightAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class UnderlineAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="underlineAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class SquigglyAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="squigglyAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class StrikeOutAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="strikeoutAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class StampAnnotationElement extends AnnotationElement{constructor(e){super(e,!!(e.data.hasPopup||e.data.title||e.data.contents),!0)}render(){this.container.className="stampAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}class FileAttachmentAnnotationElement extends AnnotationElement{constructor(e){super(e,!0);const{filename:t,content:r}=this.data.file;this.filename=(0,n.getFilenameFromUrl)(t);this.content=r;this.linkService.eventBus&&this.linkService.eventBus.dispatch("fileattachmentannotation",{source:this,id:(0,s.stringToPDFString)(t),filename:t,content:r})}render(){this.container.className="fileAttachmentAnnotation";const e=document.createElement("div");e.style.height=this.container.style.height;e.style.width=this.container.style.width;e.addEventListener("dblclick",this._download.bind(this));this.data.hasPopup||!this.data.title&&!this.data.contents||this._createPopup(this.container,e,this.data);this.container.appendChild(e);return this.container}_download(){this.downloadManager?this.downloadManager.downloadData(this.content,this.filename,""):(0,s.warn)("Download cannot be started due to unavailable download manager")}}t.AnnotationLayer=class AnnotationLayer{static render(e){const t=[],r=[];for(const n of e.annotations)n&&(n.annotationType!==s.AnnotationType.POPUP?t.push(n):r.push(n));r.length&&t.push(...r);for(const r of t){const t=AnnotationElementFactory.create({data:r,layer:e.div,page:e.page,viewport:e.viewport,linkService:e.linkService,downloadManager:e.downloadManager,imageResourcesPath:e.imageResourcesPath||"",renderInteractiveForms:"boolean"!=typeof e.renderInteractiveForms||e.renderInteractiveForms,svgFactory:new n.DOMSVGFactory,annotationStorage:e.annotationStorage||new a.AnnotationStorage});t.isRenderable&&e.div.appendChild(t.render())}}static update(e){for(const t of e.annotations){const r=e.div.querySelector(`[data-annotation-id="${t.id}"]`);r&&(r.style.transform=`matrix(${e.viewport.transform.join(",")})`)}e.div.removeAttribute("hidden")}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.renderTextLayer=void 0;var n=r(2),s=function renderTextLayerClosure(){var e=/\S/;function appendText(t,r,s){var a=document.createElement("span"),i={angle:0,canvasWidth:0,isWhitespace:!1,originalTransform:null,paddingBottom:0,paddingLeft:0,paddingRight:0,paddingTop:0,scale:1};t._textDivs.push(a);if(function isAllWhitespace(t){return!e.test(t)}(r.str)){i.isWhitespace=!0;t._textDivProperties.set(a,i);return}var o=n.Util.transform(t._viewport.transform,r.transform),l=Math.atan2(o[1],o[0]),c=s[r.fontName];c.vertical&&(l+=Math.PI/2);var h=Math.sqrt(o[2]*o[2]+o[3]*o[3]),d=h;c.ascent?d=c.ascent*d:c.descent&&(d=(1+c.descent)*d);let u,p;if(0===l){u=o[4];p=o[5]-d}else{u=o[4]+d*Math.sin(l);p=o[5]-d*Math.cos(l)}a.style.left=u+"px";a.style.top=p+"px";a.style.fontSize=h+"px";a.style.fontFamily=c.fontFamily;a.textContent=r.str;t._fontInspectorEnabled&&(a.dataset.fontName=r.fontName);0!==l&&(i.angle=l*(180/Math.PI));let f=!1;if(r.str.length>1)f=!0;else if(r.transform[0]!==r.transform[3]){const e=Math.abs(r.transform[0]),t=Math.abs(r.transform[3]);e!==t&&Math.max(e,t)/Math.min(e,t)>1.5&&(f=!0)}f&&(c.vertical?i.canvasWidth=r.height*t._viewport.scale:i.canvasWidth=r.width*t._viewport.scale);t._textDivProperties.set(a,i);t._textContentStream&&t._layoutText(a);if(t._enhanceTextSelection){var g=1,m=0;if(0!==l){g=Math.cos(l);m=Math.sin(l)}var _,A,b=(c.vertical?r.height:r.width)*t._viewport.scale,y=h;if(0!==l){_=[g,m,-m,g,u,p];A=n.Util.getAxialAlignedBoundingBox([0,0,b,y],_)}else A=[u,p,u+b,p+y];t._bounds.push({left:A[0],top:A[1],right:A[2],bottom:A[3],div:a,size:[b,y],m:_})}}function render(e){if(!e._canceled){var t=e._textDivs,r=e._capability,n=t.length;if(n>1e5){e._renderingDone=!0;r.resolve()}else{if(!e._textContentStream)for(var s=0;s<n;s++)e._layoutText(t[s]);e._renderingDone=!0;r.resolve()}}}function findPositiveMin(e,t,r){let n=0;for(let s=0;s<r;s++){const r=e[t++];r>0&&(n=n?Math.min(r,n):r)}return n}function expand(e){for(var t=e._bounds,r=e._viewport,s=function expandBounds(e,t,r){var n=r.map((function(e,t){return{x1:e.left,y1:e.top,x2:e.right,y2:e.bottom,index:t,x1New:void 0,x2New:void 0}}));expandBoundsLTR(e,n);var s=new Array(r.length);n.forEach((function(e){var t=e.index;s[t]={left:e.x1New,top:0,right:e.x2New,bottom:0}}));r.map((function(t,r){var a=s[r],i=n[r];i.x1=t.top;i.y1=e-a.right;i.x2=t.bottom;i.y2=e-a.left;i.index=r;i.x1New=void 0;i.x2New=void 0}));expandBoundsLTR(t,n);n.forEach((function(e){var t=e.index;s[t].top=e.x1New;s[t].bottom=e.x2New}));return s}(r.width,r.height,t),a=0;a<s.length;a++){var i=t[a].div,o=e._textDivProperties.get(i);if(0!==o.angle){var l=s[a],c=t[a],h=c.m,d=h[0],u=h[1],p=[[0,0],[0,c.size[1]],[c.size[0],0],c.size],f=new Float64Array(64);p.forEach((function(e,t){var r=n.Util.applyTransform(e,h);f[t+0]=d&&(l.left-r[0])/d;f[t+4]=u&&(l.top-r[1])/u;f[t+8]=d&&(l.right-r[0])/d;f[t+12]=u&&(l.bottom-r[1])/u;f[t+16]=u&&(l.left-r[0])/-u;f[t+20]=d&&(l.top-r[1])/d;f[t+24]=u&&(l.right-r[0])/-u;f[t+28]=d&&(l.bottom-r[1])/d;f[t+32]=d&&(l.left-r[0])/-d;f[t+36]=u&&(l.top-r[1])/-u;f[t+40]=d&&(l.right-r[0])/-d;f[t+44]=u&&(l.bottom-r[1])/-u;f[t+48]=u&&(l.left-r[0])/u;f[t+52]=d&&(l.top-r[1])/-d;f[t+56]=u&&(l.right-r[0])/u;f[t+60]=d&&(l.bottom-r[1])/-d}));var g=1+Math.min(Math.abs(d),Math.abs(u));o.paddingLeft=findPositiveMin(f,32,16)/g;o.paddingTop=findPositiveMin(f,48,16)/g;o.paddingRight=findPositiveMin(f,0,16)/g;o.paddingBottom=findPositiveMin(f,16,16)/g;e._textDivProperties.set(i,o)}else{o.paddingLeft=t[a].left-s[a].left;o.paddingTop=t[a].top-s[a].top;o.paddingRight=s[a].right-t[a].right;o.paddingBottom=s[a].bottom-t[a].bottom;e._textDivProperties.set(i,o)}}}function expandBoundsLTR(e,t){t.sort((function(e,t){return e.x1-t.x1||e.index-t.index}));var r=[{start:-1/0,end:1/0,boundary:{x1:-1/0,y1:-1/0,x2:0,y2:1/0,index:-1,x1New:0,x2New:0}}];t.forEach((function(e){for(var t=0;t<r.length&&r[t].end<=e.y1;)t++;for(var n,s,a=r.length-1;a>=0&&r[a].start>=e.y2;)a--;var i,o,l=-1/0;for(i=t;i<=a;i++){var c;(c=(s=(n=r[i]).boundary).x2>e.x1?s.index>e.index?s.x1New:e.x1:void 0===s.x2New?(s.x2+e.x1)/2:s.x2New)>l&&(l=c)}e.x1New=l;for(i=t;i<=a;i++)void 0===(s=(n=r[i]).boundary).x2New?s.x2>e.x1?s.index>e.index&&(s.x2New=s.x2):s.x2New=l:s.x2New>l&&(s.x2New=Math.max(l,s.x2));var h=[],d=null;for(i=t;i<=a;i++){var u=(s=(n=r[i]).boundary).x2>e.x2?s:e;if(d===u)h[h.length-1].end=n.end;else{h.push({start:n.start,end:n.end,boundary:u});d=u}}if(r[t].start<e.y1){h[0].start=e.y1;h.unshift({start:r[t].start,end:e.y1,boundary:r[t].boundary})}if(e.y2<r[a].end){h[h.length-1].end=e.y2;h.push({start:e.y2,end:r[a].end,boundary:r[a].boundary})}for(i=t;i<=a;i++)if(void 0===(s=(n=r[i]).boundary).x2New){var p=!1;for(o=t-1;!p&&o>=0&&r[o].start>=s.y1;o--)p=r[o].boundary===s;for(o=a+1;!p&&o<r.length&&r[o].end<=s.y2;o++)p=r[o].boundary===s;for(o=0;!p&&o<h.length;o++)p=h[o].boundary===s;p||(s.x2New=l)}Array.prototype.splice.apply(r,[t,a-t+1].concat(h))}));r.forEach((function(t){var r=t.boundary;void 0===r.x2New&&(r.x2New=Math.max(e,r.x2))}))}function TextLayerRenderTask({textContent:e,textContentStream:t,container:r,viewport:s,textDivs:a,textContentItemsStr:i,enhanceTextSelection:o}){this._textContent=e;this._textContentStream=t;this._container=r;this._document=r.ownerDocument;this._viewport=s;this._textDivs=a||[];this._textContentItemsStr=i||[];this._enhanceTextSelection=!!o;this._fontInspectorEnabled=!(!globalThis.FontInspector||!globalThis.FontInspector.enabled);this._reader=null;this._layoutTextLastFontSize=null;this._layoutTextLastFontFamily=null;this._layoutTextCtx=null;this._textDivProperties=new WeakMap;this._renderingDone=!1;this._canceled=!1;this._capability=(0,n.createPromiseCapability)();this._renderTimer=null;this._bounds=[];this._capability.promise.finally(()=>{if(this._layoutTextCtx){this._layoutTextCtx.canvas.width=0;this._layoutTextCtx.canvas.height=0;this._layoutTextCtx=null}}).catch(()=>{})}TextLayerRenderTask.prototype={get promise(){return this._capability.promise},cancel:function TextLayer_cancel(){this._canceled=!0;if(this._reader){this._reader.cancel(new n.AbortException("TextLayer task cancelled."));this._reader=null}if(null!==this._renderTimer){clearTimeout(this._renderTimer);this._renderTimer=null}this._capability.reject(new Error("TextLayer task cancelled."))},_processItems(e,t){for(let r=0,n=e.length;r<n;r++){this._textContentItemsStr.push(e[r].str);appendText(this,e[r],t)}},_layoutText(e){const t=this._textDivProperties.get(e);if(t.isWhitespace)return;let r="";if(0!==t.canvasWidth){const{fontSize:n,fontFamily:s}=e.style;if(n!==this._layoutTextLastFontSize||s!==this._layoutTextLastFontFamily){this._layoutTextCtx.font=`${n} ${s}`;this._layoutTextLastFontSize=n;this._layoutTextLastFontFamily=s}const{width:a}=this._layoutTextCtx.measureText(e.textContent);if(a>0){t.scale=t.canvasWidth/a;r=`scaleX(${t.scale})`}}0!==t.angle&&(r=`rotate(${t.angle}deg) ${r}`);if(r.length>0){this._enhanceTextSelection&&(t.originalTransform=r);e.style.transform=r}this._textDivProperties.set(e,t);this._container.appendChild(e)},_render:function TextLayer_render(e){const t=(0,n.createPromiseCapability)();let r=Object.create(null);const s=this._document.createElement("canvas");s.mozOpaque=!0;this._layoutTextCtx=s.getContext("2d",{alpha:!1});if(this._textContent){const e=this._textContent.items,r=this._textContent.styles;this._processItems(e,r);t.resolve()}else{if(!this._textContentStream)throw new Error('Neither "textContent" nor "textContentStream" parameters specified.');{const pump=()=>{this._reader.read().then(({value:e,done:n})=>{if(n)t.resolve();else{Object.assign(r,e.styles);this._processItems(e.items,r);pump()}},t.reject)};this._reader=this._textContentStream.getReader();pump()}}t.promise.then(()=>{r=null;e?this._renderTimer=setTimeout(()=>{render(this);this._renderTimer=null},e):render(this)},this._capability.reject)},expandTextDivs:function TextLayer_expandTextDivs(e){if(!this._enhanceTextSelection||!this._renderingDone)return;if(null!==this._bounds){expand(this);this._bounds=null}const t=[],r=[];for(var n=0,s=this._textDivs.length;n<s;n++){const s=this._textDivs[n],a=this._textDivProperties.get(s);if(!a.isWhitespace)if(e){t.length=0;r.length=0;a.originalTransform&&t.push(a.originalTransform);if(a.paddingTop>0){r.push(a.paddingTop+"px");t.push(`translateY(${-a.paddingTop}px)`)}else r.push(0);a.paddingRight>0?r.push(a.paddingRight/a.scale+"px"):r.push(0);a.paddingBottom>0?r.push(a.paddingBottom+"px"):r.push(0);if(a.paddingLeft>0){r.push(a.paddingLeft/a.scale+"px");t.push(`translateX(${-a.paddingLeft/a.scale}px)`)}else r.push(0);s.style.padding=r.join(" ");t.length&&(s.style.transform=t.join(" "))}else{s.style.padding=null;s.style.transform=a.originalTransform}}}};return function renderTextLayer(e){var t=new TextLayerRenderTask({textContent:e.textContent,textContentStream:e.textContentStream,container:e.container,viewport:e.viewport,textDivs:e.textDivs,textContentItemsStr:e.textContentItemsStr,enhanceTextSelection:e.enhanceTextSelection});t._render(e.timeout);return t}}();t.renderTextLayer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.SVGGraphics=void 0;var n=r(2),s=r(1),a=r(4);let SVGGraphics=function(){throw new Error("Not implemented: SVGGraphics")};t.SVGGraphics=SVGGraphics;{const e={fontStyle:"normal",fontWeight:"normal",fillColor:"#000000"},r="http://www.w3.org/XML/1998/namespace",i="http://www.w3.org/1999/xlink",o=["butt","round","square"],l=["miter","round","bevel"],c=function(){const e=new Uint8Array([137,80,78,71,13,10,26,10]),t=new Int32Array(256);for(let e=0;e<256;e++){let r=e;for(let e=0;e<8;e++)r=1&r?3988292384^r>>1&2147483647:r>>1&2147483647;t[e]=r}function writePngChunk(e,r,n,s){let a=s;const i=r.length;n[a]=i>>24&255;n[a+1]=i>>16&255;n[a+2]=i>>8&255;n[a+3]=255&i;a+=4;n[a]=255&e.charCodeAt(0);n[a+1]=255&e.charCodeAt(1);n[a+2]=255&e.charCodeAt(2);n[a+3]=255&e.charCodeAt(3);a+=4;n.set(r,a);a+=r.length;const o=function crc32(e,r,n){let s=-1;for(let a=r;a<n;a++){const r=255&(s^e[a]);s=s>>>8^t[r]}return-1^s}(n,s+4,a);n[a]=o>>24&255;n[a+1]=o>>16&255;n[a+2]=o>>8&255;n[a+3]=255&o}function deflateSyncUncompressed(e){let t=e.length;const r=Math.ceil(t/65535),n=new Uint8Array(2+t+5*r+4);let s=0;n[s++]=120;n[s++]=156;let a=0;for(;t>65535;){n[s++]=0;n[s++]=255;n[s++]=255;n[s++]=0;n[s++]=0;n.set(e.subarray(a,a+65535),s);s+=65535;a+=65535;t-=65535}n[s++]=1;n[s++]=255&t;n[s++]=t>>8&255;n[s++]=255&~t;n[s++]=(65535&~t)>>8&255;n.set(e.subarray(a),s);s+=e.length-a;const i=function adler32(e,t,r){let n=1,s=0;for(let a=t;a<r;++a){n=(n+(255&e[a]))%65521;s=(s+n)%65521}return s<<16|n}(e,0,e.length);n[s++]=i>>24&255;n[s++]=i>>16&255;n[s++]=i>>8&255;n[s++]=255&i;return n}function encode(t,r,s,i){const o=t.width,l=t.height;let c,h,d;const u=t.data;switch(r){case n.ImageKind.GRAYSCALE_1BPP:h=0;c=1;d=o+7>>3;break;case n.ImageKind.RGB_24BPP:h=2;c=8;d=3*o;break;case n.ImageKind.RGBA_32BPP:h=6;c=8;d=4*o;break;default:throw new Error("invalid format")}const p=new Uint8Array((1+d)*l);let f=0,g=0;for(let e=0;e<l;++e){p[f++]=0;p.set(u.subarray(g,g+d),f);g+=d;f+=d}if(r===n.ImageKind.GRAYSCALE_1BPP&&i){f=0;for(let e=0;e<l;e++){f++;for(let e=0;e<d;e++)p[f++]^=255}}const m=new Uint8Array([o>>24&255,o>>16&255,o>>8&255,255&o,l>>24&255,l>>16&255,l>>8&255,255&l,c,h,0,0,0]),_=function deflateSync(e){if(!a.isNodeJS)return deflateSyncUncompressed(e);try{let t;t=parseInt(process.versions.node)>=8?e:Buffer.from(e);const r=require("zlib").deflateSync(t,{level:9});return r instanceof Uint8Array?r:new Uint8Array(r)}catch(e){(0,n.warn)("Not compressing PNG because zlib.deflateSync is unavailable: "+e)}return deflateSyncUncompressed(e)}(p),A=e.length+36+m.length+_.length,b=new Uint8Array(A);let y=0;b.set(e,y);y+=e.length;writePngChunk("IHDR",m,b,y);y+=12+m.length;writePngChunk("IDATA",_,b,y);y+=12+_.length;writePngChunk("IEND",new Uint8Array(0),b,y);return(0,n.createObjectURL)(b,"image/png",s)}return function convertImgDataToPng(e,t,r){return encode(e,void 0===e.kind?n.ImageKind.GRAYSCALE_1BPP:e.kind,t,r)}}();class SVGExtraState{constructor(){this.fontSizeScale=1;this.fontWeight=e.fontWeight;this.fontSize=0;this.textMatrix=n.IDENTITY_MATRIX;this.fontMatrix=n.FONT_IDENTITY_MATRIX;this.leading=0;this.textRenderingMode=n.TextRenderingMode.FILL;this.textMatrixScale=1;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRise=0;this.fillColor=e.fillColor;this.strokeColor="#000000";this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.lineJoin="";this.lineCap="";this.miterLimit=0;this.dashArray=[];this.dashPhase=0;this.dependencies=[];this.activeClipUrl=null;this.clipGroup=null;this.maskId=""}clone(){return Object.create(this)}setCurrentPoint(e,t){this.x=e;this.y=t}}function pf(e){if(Number.isInteger(e))return e.toString();const t=e.toFixed(10);let r=t.length-1;if("0"!==t[r])return t;do{r--}while("0"===t[r]);return t.substring(0,"."===t[r]?r:r+1)}function pm(e){if(0===e[4]&&0===e[5]){if(0===e[1]&&0===e[2])return 1===e[0]&&1===e[3]?"":`scale(${pf(e[0])} ${pf(e[3])})`;if(e[0]===e[3]&&e[1]===-e[2]){return`rotate(${pf(180*Math.acos(e[0])/Math.PI)})`}}else if(1===e[0]&&0===e[1]&&0===e[2]&&1===e[3])return`translate(${pf(e[4])} ${pf(e[5])})`;return`matrix(${pf(e[0])} ${pf(e[1])} ${pf(e[2])} ${pf(e[3])} ${pf(e[4])} `+pf(e[5])+")"}let h=0,d=0,u=0;t.SVGGraphics=SVGGraphics=class SVGGraphics{constructor(e,t,r=!1){this.svgFactory=new s.DOMSVGFactory;this.current=new SVGExtraState;this.transformMatrix=n.IDENTITY_MATRIX;this.transformStack=[];this.extraStack=[];this.commonObjs=e;this.objs=t;this.pendingClip=null;this.pendingEOFill=!1;this.embedFonts=!1;this.embeddedFonts=Object.create(null);this.cssStyle=null;this.forceDataSchema=!!r;this._operatorIdMapping=[];for(const e in n.OPS)this._operatorIdMapping[n.OPS[e]]=e}save(){this.transformStack.push(this.transformMatrix);const e=this.current;this.extraStack.push(e);this.current=e.clone()}restore(){this.transformMatrix=this.transformStack.pop();this.current=this.extraStack.pop();this.pendingClip=null;this.tgrp=null}group(e){this.save();this.executeOpTree(e);this.restore()}loadDependencies(e){const t=e.fnArray,r=e.argsArray;for(let e=0,s=t.length;e<s;e++)if(t[e]===n.OPS.dependency)for(const t of r[e]){const e=t.startsWith("g_")?this.commonObjs:this.objs,r=new Promise(r=>{e.get(t,r)});this.current.dependencies.push(r)}return Promise.all(this.current.dependencies)}transform(e,t,r,s,a,i){const o=[e,t,r,s,a,i];this.transformMatrix=n.Util.transform(this.transformMatrix,o);this.tgrp=null}getSVG(e,t){this.viewport=t;const r=this._initialize(t);return this.loadDependencies(e).then(()=>{this.transformMatrix=n.IDENTITY_MATRIX;this.executeOpTree(this.convertOpList(e));return r})}convertOpList(e){const t=this._operatorIdMapping,r=e.argsArray,n=e.fnArray,s=[];for(let e=0,a=n.length;e<a;e++){const a=n[e];s.push({fnId:a,fn:t[a],args:r[e]})}return function opListToTree(e){let t=[];const r=[];for(const n of e)if("save"!==n.fn)"restore"===n.fn?t=r.pop():t.push(n);else{t.push({fnId:92,fn:"group",items:[]});r.push(t);t=t[t.length-1].items}return t}(s)}executeOpTree(e){for(const t of e){const e=t.fn,r=t.fnId,s=t.args;switch(0|r){case n.OPS.beginText:this.beginText();break;case n.OPS.dependency:break;case n.OPS.setLeading:this.setLeading(s);break;case n.OPS.setLeadingMoveText:this.setLeadingMoveText(s[0],s[1]);break;case n.OPS.setFont:this.setFont(s);break;case n.OPS.showText:case n.OPS.showSpacedText:this.showText(s[0]);break;case n.OPS.endText:this.endText();break;case n.OPS.moveText:this.moveText(s[0],s[1]);break;case n.OPS.setCharSpacing:this.setCharSpacing(s[0]);break;case n.OPS.setWordSpacing:this.setWordSpacing(s[0]);break;case n.OPS.setHScale:this.setHScale(s[0]);break;case n.OPS.setTextMatrix:this.setTextMatrix(s[0],s[1],s[2],s[3],s[4],s[5]);break;case n.OPS.setTextRise:this.setTextRise(s[0]);break;case n.OPS.setTextRenderingMode:this.setTextRenderingMode(s[0]);break;case n.OPS.setLineWidth:this.setLineWidth(s[0]);break;case n.OPS.setLineJoin:this.setLineJoin(s[0]);break;case n.OPS.setLineCap:this.setLineCap(s[0]);break;case n.OPS.setMiterLimit:this.setMiterLimit(s[0]);break;case n.OPS.setFillRGBColor:this.setFillRGBColor(s[0],s[1],s[2]);break;case n.OPS.setStrokeRGBColor:this.setStrokeRGBColor(s[0],s[1],s[2]);break;case n.OPS.setStrokeColorN:this.setStrokeColorN(s);break;case n.OPS.setFillColorN:this.setFillColorN(s);break;case n.OPS.shadingFill:this.shadingFill(s[0]);break;case n.OPS.setDash:this.setDash(s[0],s[1]);break;case n.OPS.setRenderingIntent:this.setRenderingIntent(s[0]);break;case n.OPS.setFlatness:this.setFlatness(s[0]);break;case n.OPS.setGState:this.setGState(s[0]);break;case n.OPS.fill:this.fill();break;case n.OPS.eoFill:this.eoFill();break;case n.OPS.stroke:this.stroke();break;case n.OPS.fillStroke:this.fillStroke();break;case n.OPS.eoFillStroke:this.eoFillStroke();break;case n.OPS.clip:this.clip("nonzero");break;case n.OPS.eoClip:this.clip("evenodd");break;case n.OPS.paintSolidColorImageMask:this.paintSolidColorImageMask();break;case n.OPS.paintImageXObject:this.paintImageXObject(s[0]);break;case n.OPS.paintInlineImageXObject:this.paintInlineImageXObject(s[0]);break;case n.OPS.paintImageMaskXObject:this.paintImageMaskXObject(s[0]);break;case n.OPS.paintFormXObjectBegin:this.paintFormXObjectBegin(s[0],s[1]);break;case n.OPS.paintFormXObjectEnd:this.paintFormXObjectEnd();break;case n.OPS.closePath:this.closePath();break;case n.OPS.closeStroke:this.closeStroke();break;case n.OPS.closeFillStroke:this.closeFillStroke();break;case n.OPS.closeEOFillStroke:this.closeEOFillStroke();break;case n.OPS.nextLine:this.nextLine();break;case n.OPS.transform:this.transform(s[0],s[1],s[2],s[3],s[4],s[5]);break;case n.OPS.constructPath:this.constructPath(s[0],s[1]);break;case n.OPS.endPath:this.endPath();break;case 92:this.group(t.items);break;default:(0,n.warn)("Unimplemented operator "+e)}}}setWordSpacing(e){this.current.wordSpacing=e}setCharSpacing(e){this.current.charSpacing=e}nextLine(){this.moveText(0,this.current.leading)}setTextMatrix(e,t,r,n,s,a){const i=this.current;i.textMatrix=i.lineMatrix=[e,t,r,n,s,a];i.textMatrixScale=Math.sqrt(e*e+t*t);i.x=i.lineX=0;i.y=i.lineY=0;i.xcoords=[];i.ycoords=[];i.tspan=this.svgFactory.createElement("svg:tspan");i.tspan.setAttributeNS(null,"font-family",i.fontFamily);i.tspan.setAttributeNS(null,"font-size",pf(i.fontSize)+"px");i.tspan.setAttributeNS(null,"y",pf(-i.y));i.txtElement=this.svgFactory.createElement("svg:text");i.txtElement.appendChild(i.tspan)}beginText(){const e=this.current;e.x=e.lineX=0;e.y=e.lineY=0;e.textMatrix=n.IDENTITY_MATRIX;e.lineMatrix=n.IDENTITY_MATRIX;e.textMatrixScale=1;e.tspan=this.svgFactory.createElement("svg:tspan");e.txtElement=this.svgFactory.createElement("svg:text");e.txtgrp=this.svgFactory.createElement("svg:g");e.xcoords=[];e.ycoords=[]}moveText(e,t){const r=this.current;r.x=r.lineX+=e;r.y=r.lineY+=t;r.xcoords=[];r.ycoords=[];r.tspan=this.svgFactory.createElement("svg:tspan");r.tspan.setAttributeNS(null,"font-family",r.fontFamily);r.tspan.setAttributeNS(null,"font-size",pf(r.fontSize)+"px");r.tspan.setAttributeNS(null,"y",pf(-r.y))}showText(t){const s=this.current,a=s.font,i=s.fontSize;if(0===i)return;const o=s.fontSizeScale,l=s.charSpacing,c=s.wordSpacing,h=s.fontDirection,d=s.textHScale*h,u=a.vertical,p=u?1:-1,f=a.defaultVMetrics,g=i*s.fontMatrix[0];let m=0;for(const e of t){if(null===e){m+=h*c;continue}if((0,n.isNum)(e)){m+=p*e*i/1e3;continue}const t=(e.isSpace?c:0)+l,r=e.fontChar;let d,_,A,b=e.width;if(u){let t;const r=e.vmetric||f;t=e.vmetric?r[1]:.5*b;t=-t*g;const n=r[2]*g;b=r?-r[0]:b;d=t/o;_=(m+n)/o}else{d=m/o;_=0}if(e.isInFont||a.missingFile){s.xcoords.push(s.x+d);u&&s.ycoords.push(-s.y+_);s.tspan.textContent+=r}A=u?b*g-t*h:b*g+t*h;m+=A}s.tspan.setAttributeNS(null,"x",s.xcoords.map(pf).join(" "));u?s.tspan.setAttributeNS(null,"y",s.ycoords.map(pf).join(" ")):s.tspan.setAttributeNS(null,"y",pf(-s.y));u?s.y-=m:s.x+=m*d;s.tspan.setAttributeNS(null,"font-family",s.fontFamily);s.tspan.setAttributeNS(null,"font-size",pf(s.fontSize)+"px");s.fontStyle!==e.fontStyle&&s.tspan.setAttributeNS(null,"font-style",s.fontStyle);s.fontWeight!==e.fontWeight&&s.tspan.setAttributeNS(null,"font-weight",s.fontWeight);const _=s.textRenderingMode&n.TextRenderingMode.FILL_STROKE_MASK;if(_===n.TextRenderingMode.FILL||_===n.TextRenderingMode.FILL_STROKE){s.fillColor!==e.fillColor&&s.tspan.setAttributeNS(null,"fill",s.fillColor);s.fillAlpha<1&&s.tspan.setAttributeNS(null,"fill-opacity",s.fillAlpha)}else s.textRenderingMode===n.TextRenderingMode.ADD_TO_PATH?s.tspan.setAttributeNS(null,"fill","transparent"):s.tspan.setAttributeNS(null,"fill","none");if(_===n.TextRenderingMode.STROKE||_===n.TextRenderingMode.FILL_STROKE){const e=1/(s.textMatrixScale||1);this._setStrokeAttributes(s.tspan,e)}let A=s.textMatrix;if(0!==s.textRise){A=A.slice();A[5]+=s.textRise}s.txtElement.setAttributeNS(null,"transform",`${pm(A)} scale(${pf(d)}, -1)`);s.txtElement.setAttributeNS(r,"xml:space","preserve");s.txtElement.appendChild(s.tspan);s.txtgrp.appendChild(s.txtElement);this._ensureTransformGroup().appendChild(s.txtElement)}setLeadingMoveText(e,t){this.setLeading(-t);this.moveText(e,t)}addFontStyle(e){if(!e.data)throw new Error('addFontStyle: No font data available, ensure that the "fontExtraProperties" API parameter is set.');if(!this.cssStyle){this.cssStyle=this.svgFactory.createElement("svg:style");this.cssStyle.setAttributeNS(null,"type","text/css");this.defs.appendChild(this.cssStyle)}const t=(0,n.createObjectURL)(e.data,e.mimetype,this.forceDataSchema);this.cssStyle.textContent+=`@font-face { font-family: "${e.loadedName}"; src: url(${t}); }\n`}setFont(e){const t=this.current,r=this.commonObjs.get(e[0]);let s=e[1];t.font=r;if(this.embedFonts&&!r.missingFile&&!this.embeddedFonts[r.loadedName]){this.addFontStyle(r);this.embeddedFonts[r.loadedName]=r}t.fontMatrix=r.fontMatrix?r.fontMatrix:n.FONT_IDENTITY_MATRIX;let a="normal";r.black?a="900":r.bold&&(a="bold");const i=r.italic?"italic":"normal";if(s<0){s=-s;t.fontDirection=-1}else t.fontDirection=1;t.fontSize=s;t.fontFamily=r.loadedName;t.fontWeight=a;t.fontStyle=i;t.tspan=this.svgFactory.createElement("svg:tspan");t.tspan.setAttributeNS(null,"y",pf(-t.y));t.xcoords=[];t.ycoords=[]}endText(){const e=this.current;if(e.textRenderingMode&n.TextRenderingMode.ADD_TO_PATH_FLAG&&e.txtElement&&e.txtElement.hasChildNodes()){e.element=e.txtElement;this.clip("nonzero");this.endPath()}}setLineWidth(e){e>0&&(this.current.lineWidth=e)}setLineCap(e){this.current.lineCap=o[e]}setLineJoin(e){this.current.lineJoin=l[e]}setMiterLimit(e){this.current.miterLimit=e}setStrokeAlpha(e){this.current.strokeAlpha=e}setStrokeRGBColor(e,t,r){this.current.strokeColor=n.Util.makeCssRgb(e,t,r)}setFillAlpha(e){this.current.fillAlpha=e}setFillRGBColor(e,t,r){this.current.fillColor=n.Util.makeCssRgb(e,t,r);this.current.tspan=this.svgFactory.createElement("svg:tspan");this.current.xcoords=[];this.current.ycoords=[]}setStrokeColorN(e){this.current.strokeColor=this._makeColorN_Pattern(e)}setFillColorN(e){this.current.fillColor=this._makeColorN_Pattern(e)}shadingFill(e){const t=this.viewport.width,r=this.viewport.height,s=n.Util.inverseTransform(this.transformMatrix),a=n.Util.applyTransform([0,0],s),i=n.Util.applyTransform([0,r],s),o=n.Util.applyTransform([t,0],s),l=n.Util.applyTransform([t,r],s),c=Math.min(a[0],i[0],o[0],l[0]),h=Math.min(a[1],i[1],o[1],l[1]),d=Math.max(a[0],i[0],o[0],l[0]),u=Math.max(a[1],i[1],o[1],l[1]),p=this.svgFactory.createElement("svg:rect");p.setAttributeNS(null,"x",c);p.setAttributeNS(null,"y",h);p.setAttributeNS(null,"width",d-c);p.setAttributeNS(null,"height",u-h);p.setAttributeNS(null,"fill",this._makeShadingPattern(e));this.current.fillAlpha<1&&p.setAttributeNS(null,"fill-opacity",this.current.fillAlpha);this._ensureTransformGroup().appendChild(p)}_makeColorN_Pattern(e){return"TilingPattern"===e[0]?this._makeTilingPattern(e):this._makeShadingPattern(e)}_makeTilingPattern(e){const t=e[1],r=e[2],s=e[3]||n.IDENTITY_MATRIX,[a,i,o,l]=e[4],c=e[5],h=e[6],d=e[7],p="shading"+u++,[f,g]=n.Util.applyTransform([a,i],s),[m,_]=n.Util.applyTransform([o,l],s),[A,b]=n.Util.singularValueDecompose2dScale(s),y=c*A,v=h*b,C=this.svgFactory.createElement("svg:pattern");C.setAttributeNS(null,"id",p);C.setAttributeNS(null,"patternUnits","userSpaceOnUse");C.setAttributeNS(null,"width",y);C.setAttributeNS(null,"height",v);C.setAttributeNS(null,"x",""+f);C.setAttributeNS(null,"y",""+g);const S=this.svg,x=this.transformMatrix,P=this.current.fillColor,k=this.current.strokeColor,R=this.svgFactory.create(m-f,_-g);this.svg=R;this.transformMatrix=s;if(2===d){const e=n.Util.makeCssRgb(...t);this.current.fillColor=e;this.current.strokeColor=e}this.executeOpTree(this.convertOpList(r));this.svg=S;this.transformMatrix=x;this.current.fillColor=P;this.current.strokeColor=k;C.appendChild(R.childNodes[0]);this.defs.appendChild(C);return`url(#${p})`}_makeShadingPattern(e){switch(e[0]){case"RadialAxial":const t="shading"+u++,r=e[3];let s;switch(e[1]){case"axial":const r=e[4],n=e[5];s=this.svgFactory.createElement("svg:linearGradient");s.setAttributeNS(null,"id",t);s.setAttributeNS(null,"gradientUnits","userSpaceOnUse");s.setAttributeNS(null,"x1",r[0]);s.setAttributeNS(null,"y1",r[1]);s.setAttributeNS(null,"x2",n[0]);s.setAttributeNS(null,"y2",n[1]);break;case"radial":const a=e[4],i=e[5],o=e[6],l=e[7];s=this.svgFactory.createElement("svg:radialGradient");s.setAttributeNS(null,"id",t);s.setAttributeNS(null,"gradientUnits","userSpaceOnUse");s.setAttributeNS(null,"cx",i[0]);s.setAttributeNS(null,"cy",i[1]);s.setAttributeNS(null,"r",l);s.setAttributeNS(null,"fx",a[0]);s.setAttributeNS(null,"fy",a[1]);s.setAttributeNS(null,"fr",o);break;default:throw new Error("Unknown RadialAxial type: "+e[1])}for(const e of r){const t=this.svgFactory.createElement("svg:stop");t.setAttributeNS(null,"offset",e[0]);t.setAttributeNS(null,"stop-color",e[1]);s.appendChild(t)}this.defs.appendChild(s);return`url(#${t})`;case"Mesh":(0,n.warn)("Unimplemented pattern Mesh");return null;case"Dummy":return"hotpink";default:throw new Error("Unknown IR type: "+e[0])}}setDash(e,t){this.current.dashArray=e;this.current.dashPhase=t}constructPath(e,t){const r=this.current;let s=r.x,a=r.y,i=[],o=0;for(const r of e)switch(0|r){case n.OPS.rectangle:s=t[o++];a=t[o++];const e=s+t[o++],r=a+t[o++];i.push("M",pf(s),pf(a),"L",pf(e),pf(a),"L",pf(e),pf(r),"L",pf(s),pf(r),"Z");break;case n.OPS.moveTo:s=t[o++];a=t[o++];i.push("M",pf(s),pf(a));break;case n.OPS.lineTo:s=t[o++];a=t[o++];i.push("L",pf(s),pf(a));break;case n.OPS.curveTo:s=t[o+4];a=t[o+5];i.push("C",pf(t[o]),pf(t[o+1]),pf(t[o+2]),pf(t[o+3]),pf(s),pf(a));o+=6;break;case n.OPS.curveTo2:i.push("C",pf(s),pf(a),pf(t[o]),pf(t[o+1]),pf(t[o+2]),pf(t[o+3]));s=t[o+2];a=t[o+3];o+=4;break;case n.OPS.curveTo3:s=t[o+2];a=t[o+3];i.push("C",pf(t[o]),pf(t[o+1]),pf(s),pf(a),pf(s),pf(a));o+=4;break;case n.OPS.closePath:i.push("Z")}i=i.join(" ");if(r.path&&e.length>0&&e[0]!==n.OPS.rectangle&&e[0]!==n.OPS.moveTo)i=r.path.getAttributeNS(null,"d")+i;else{r.path=this.svgFactory.createElement("svg:path");this._ensureTransformGroup().appendChild(r.path)}r.path.setAttributeNS(null,"d",i);r.path.setAttributeNS(null,"fill","none");r.element=r.path;r.setCurrentPoint(s,a)}endPath(){const e=this.current;e.path=null;if(!this.pendingClip)return;if(!e.element){this.pendingClip=null;return}const t="clippath"+h++,r=this.svgFactory.createElement("svg:clipPath");r.setAttributeNS(null,"id",t);r.setAttributeNS(null,"transform",pm(this.transformMatrix));const n=e.element.cloneNode(!0);"evenodd"===this.pendingClip?n.setAttributeNS(null,"clip-rule","evenodd"):n.setAttributeNS(null,"clip-rule","nonzero");this.pendingClip=null;r.appendChild(n);this.defs.appendChild(r);if(e.activeClipUrl){e.clipGroup=null;this.extraStack.forEach((function(e){e.clipGroup=null}));r.setAttributeNS(null,"clip-path",e.activeClipUrl)}e.activeClipUrl=`url(#${t})`;this.tgrp=null}clip(e){this.pendingClip=e}closePath(){const e=this.current;if(e.path){const t=e.path.getAttributeNS(null,"d")+"Z";e.path.setAttributeNS(null,"d",t)}}setLeading(e){this.current.leading=-e}setTextRise(e){this.current.textRise=e}setTextRenderingMode(e){this.current.textRenderingMode=e}setHScale(e){this.current.textHScale=e/100}setRenderingIntent(e){}setFlatness(e){}setGState(e){for(const[t,r]of e)switch(t){case"LW":this.setLineWidth(r);break;case"LC":this.setLineCap(r);break;case"LJ":this.setLineJoin(r);break;case"ML":this.setMiterLimit(r);break;case"D":this.setDash(r[0],r[1]);break;case"RI":this.setRenderingIntent(r);break;case"FL":this.setFlatness(r);break;case"Font":this.setFont(r);break;case"CA":this.setStrokeAlpha(r);break;case"ca":this.setFillAlpha(r);break;default:(0,n.warn)("Unimplemented graphic state operator "+t)}}fill(){const e=this.current;if(e.element){e.element.setAttributeNS(null,"fill",e.fillColor);e.element.setAttributeNS(null,"fill-opacity",e.fillAlpha);this.endPath()}}stroke(){const e=this.current;if(e.element){this._setStrokeAttributes(e.element);e.element.setAttributeNS(null,"fill","none");this.endPath()}}_setStrokeAttributes(e,t=1){const r=this.current;let n=r.dashArray;1!==t&&n.length>0&&(n=n.map((function(e){return t*e})));e.setAttributeNS(null,"stroke",r.strokeColor);e.setAttributeNS(null,"stroke-opacity",r.strokeAlpha);e.setAttributeNS(null,"stroke-miterlimit",pf(r.miterLimit));e.setAttributeNS(null,"stroke-linecap",r.lineCap);e.setAttributeNS(null,"stroke-linejoin",r.lineJoin);e.setAttributeNS(null,"stroke-width",pf(t*r.lineWidth)+"px");e.setAttributeNS(null,"stroke-dasharray",n.map(pf).join(" "));e.setAttributeNS(null,"stroke-dashoffset",pf(t*r.dashPhase)+"px")}eoFill(){this.current.element&&this.current.element.setAttributeNS(null,"fill-rule","evenodd");this.fill()}fillStroke(){this.stroke();this.fill()}eoFillStroke(){this.current.element&&this.current.element.setAttributeNS(null,"fill-rule","evenodd");this.fillStroke()}closeStroke(){this.closePath();this.stroke()}closeFillStroke(){this.closePath();this.fillStroke()}closeEOFillStroke(){this.closePath();this.eoFillStroke()}paintSolidColorImageMask(){const e=this.svgFactory.createElement("svg:rect");e.setAttributeNS(null,"x","0");e.setAttributeNS(null,"y","0");e.setAttributeNS(null,"width","1px");e.setAttributeNS(null,"height","1px");e.setAttributeNS(null,"fill",this.current.fillColor);this._ensureTransformGroup().appendChild(e)}paintImageXObject(e){const t=e.startsWith("g_")?this.commonObjs.get(e):this.objs.get(e);t?this.paintInlineImageXObject(t):(0,n.warn)(`Dependent image with object ID ${e} is not ready yet`)}paintInlineImageXObject(e,t){const r=e.width,n=e.height,s=c(e,this.forceDataSchema,!!t),a=this.svgFactory.createElement("svg:rect");a.setAttributeNS(null,"x","0");a.setAttributeNS(null,"y","0");a.setAttributeNS(null,"width",pf(r));a.setAttributeNS(null,"height",pf(n));this.current.element=a;this.clip("nonzero");const o=this.svgFactory.createElement("svg:image");o.setAttributeNS(i,"xlink:href",s);o.setAttributeNS(null,"x","0");o.setAttributeNS(null,"y",pf(-n));o.setAttributeNS(null,"width",pf(r)+"px");o.setAttributeNS(null,"height",pf(n)+"px");o.setAttributeNS(null,"transform",`scale(${pf(1/r)} ${pf(-1/n)})`);t?t.appendChild(o):this._ensureTransformGroup().appendChild(o)}paintImageMaskXObject(e){const t=this.current,r=e.width,n=e.height,s=t.fillColor;t.maskId="mask"+d++;const a=this.svgFactory.createElement("svg:mask");a.setAttributeNS(null,"id",t.maskId);const i=this.svgFactory.createElement("svg:rect");i.setAttributeNS(null,"x","0");i.setAttributeNS(null,"y","0");i.setAttributeNS(null,"width",pf(r));i.setAttributeNS(null,"height",pf(n));i.setAttributeNS(null,"fill",s);i.setAttributeNS(null,"mask",`url(#${t.maskId})`);this.defs.appendChild(a);this._ensureTransformGroup().appendChild(i);this.paintInlineImageXObject(e,a)}paintFormXObjectBegin(e,t){Array.isArray(e)&&6===e.length&&this.transform(e[0],e[1],e[2],e[3],e[4],e[5]);if(t){const e=t[2]-t[0],r=t[3]-t[1],n=this.svgFactory.createElement("svg:rect");n.setAttributeNS(null,"x",t[0]);n.setAttributeNS(null,"y",t[1]);n.setAttributeNS(null,"width",pf(e));n.setAttributeNS(null,"height",pf(r));this.current.element=n;this.clip("nonzero");this.endPath()}}paintFormXObjectEnd(){}_initialize(e){const t=this.svgFactory.create(e.width,e.height),r=this.svgFactory.createElement("svg:defs");t.appendChild(r);this.defs=r;const n=this.svgFactory.createElement("svg:g");n.setAttributeNS(null,"transform",pm(e.transform));t.appendChild(n);this.svg=n;return t}_ensureClipGroup(){if(!this.current.clipGroup){const e=this.svgFactory.createElement("svg:g");e.setAttributeNS(null,"clip-path",this.current.activeClipUrl);this.svg.appendChild(e);this.current.clipGroup=e}return this.current.clipGroup}_ensureTransformGroup(){if(!this.tgrp){this.tgrp=this.svgFactory.createElement("svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix));this.current.activeClipUrl?this._ensureClipGroup().appendChild(this.tgrp):this.svg.appendChild(this.tgrp)}return this.tgrp}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFNodeStream=void 0;var n=r(2),s=r(23);const a=require("fs"),i=require("http"),o=require("https"),l=require("url"),c=/^file:\/\/\/[a-zA-Z]:\//;t.PDFNodeStream=class PDFNodeStream{constructor(e){this.source=e;this.url=function parseUrl(e){const t=l.parse(e);if("file:"===t.protocol||t.host)return t;if(/^[a-z]:[/\\]/i.test(e))return l.parse("file:///"+e);t.host||(t.protocol="file:");return t}(e.url);this.isHttp="http:"===this.url.protocol||"https:"===this.url.protocol;this.isFsUrl="file:"===this.url.protocol;this.httpHeaders=this.isHttp&&e.httpHeaders||{};this._fullRequestReader=null;this._rangeRequestReaders=[]}get _progressiveDataLength(){return this._fullRequestReader?this._fullRequestReader._loaded:0}getFullReader(){(0,n.assert)(!this._fullRequestReader,"PDFNodeStream.getFullReader can only be called once.");this._fullRequestReader=this.isFsUrl?new PDFNodeStreamFsFullReader(this):new PDFNodeStreamFullReader(this);return this._fullRequestReader}getRangeReader(e,t){if(t<=this._progressiveDataLength)return null;const r=this.isFsUrl?new PDFNodeStreamFsRangeReader(this,e,t):new PDFNodeStreamRangeReader(this,e,t);this._rangeRequestReaders.push(r);return r}cancelAllRequests(e){this._fullRequestReader&&this._fullRequestReader.cancel(e);this._rangeRequestReaders.slice(0).forEach((function(t){t.cancel(e)}))}};class BaseFullReader{constructor(e){this._url=e.url;this._done=!1;this._storedError=null;this.onProgress=null;const t=e.source;this._contentLength=t.length;this._loaded=0;this._filename=null;this._disableRange=t.disableRange||!1;this._rangeChunkSize=t.rangeChunkSize;this._rangeChunkSize||this._disableRange||(this._disableRange=!0);this._isStreamingSupported=!t.disableStream;this._isRangeSupported=!t.disableRange;this._readableStream=null;this._readCapability=(0,n.createPromiseCapability)();this._headersCapability=(0,n.createPromiseCapability)()}get headersReady(){return this._headersCapability.promise}get filename(){return this._filename}get contentLength(){return this._contentLength}get isRangeSupported(){return this._isRangeSupported}get isStreamingSupported(){return this._isStreamingSupported}async read(){await this._readCapability.promise;if(this._done)return{value:void 0,done:!0};if(this._storedError)throw this._storedError;const e=this._readableStream.read();if(null===e){this._readCapability=(0,n.createPromiseCapability)();return this.read()}this._loaded+=e.length;this.onProgress&&this.onProgress({loaded:this._loaded,total:this._contentLength});return{value:new Uint8Array(e).buffer,done:!1}}cancel(e){this._readableStream?this._readableStream.destroy(e):this._error(e)}_error(e){this._storedError=e;this._readCapability.resolve()}_setReadableStream(e){this._readableStream=e;e.on("readable",()=>{this._readCapability.resolve()});e.on("end",()=>{e.destroy();this._done=!0;this._readCapability.resolve()});e.on("error",e=>{this._error(e)});!this._isStreamingSupported&&this._isRangeSupported&&this._error(new n.AbortException("streaming is disabled"));this._storedError&&this._readableStream.destroy(this._storedError)}}class BaseRangeReader{constructor(e){this._url=e.url;this._done=!1;this._storedError=null;this.onProgress=null;this._loaded=0;this._readableStream=null;this._readCapability=(0,n.createPromiseCapability)();const t=e.source;this._isStreamingSupported=!t.disableStream}get isStreamingSupported(){return this._isStreamingSupported}async read(){await this._readCapability.promise;if(this._done)return{value:void 0,done:!0};if(this._storedError)throw this._storedError;const e=this._readableStream.read();if(null===e){this._readCapability=(0,n.createPromiseCapability)();return this.read()}this._loaded+=e.length;this.onProgress&&this.onProgress({loaded:this._loaded});return{value:new Uint8Array(e).buffer,done:!1}}cancel(e){this._readableStream?this._readableStream.destroy(e):this._error(e)}_error(e){this._storedError=e;this._readCapability.resolve()}_setReadableStream(e){this._readableStream=e;e.on("readable",()=>{this._readCapability.resolve()});e.on("end",()=>{e.destroy();this._done=!0;this._readCapability.resolve()});e.on("error",e=>{this._error(e)});this._storedError&&this._readableStream.destroy(this._storedError)}}function createRequestOptions(e,t){return{protocol:e.protocol,auth:e.auth,host:e.hostname,port:e.port,path:e.path,method:"GET",headers:t}}class PDFNodeStreamFullReader extends BaseFullReader{constructor(e){super(e);const handleResponse=t=>{if(404===t.statusCode){const e=new n.MissingPDFException(`Missing PDF "${this._url}".`);this._storedError=e;this._headersCapability.reject(e);return}this._headersCapability.resolve();this._setReadableStream(t);const getResponseHeader=e=>this._readableStream.headers[e.toLowerCase()],{allowRangeRequests:r,suggestedLength:a}=(0,s.validateRangeRequestCapabilities)({getResponseHeader:getResponseHeader,isHttp:e.isHttp,rangeChunkSize:this._rangeChunkSize,disableRange:this._disableRange});this._isRangeSupported=r;this._contentLength=a||this._contentLength;this._filename=(0,s.extractFilenameFromHeader)(getResponseHeader)};this._request=null;"http:"===this._url.protocol?this._request=i.request(createRequestOptions(this._url,e.httpHeaders),handleResponse):this._request=o.request(createRequestOptions(this._url,e.httpHeaders),handleResponse);this._request.on("error",e=>{this._storedError=e;this._headersCapability.reject(e)});this._request.end()}}class PDFNodeStreamRangeReader extends BaseRangeReader{constructor(e,t,r){super(e);this._httpHeaders={};for(const t in e.httpHeaders){const r=e.httpHeaders[t];void 0!==r&&(this._httpHeaders[t]=r)}this._httpHeaders.Range=`bytes=${t}-${r-1}`;const handleResponse=e=>{if(404!==e.statusCode)this._setReadableStream(e);else{const e=new n.MissingPDFException(`Missing PDF "${this._url}".`);this._storedError=e}};this._request=null;"http:"===this._url.protocol?this._request=i.request(createRequestOptions(this._url,this._httpHeaders),handleResponse):this._request=o.request(createRequestOptions(this._url,this._httpHeaders),handleResponse);this._request.on("error",e=>{this._storedError=e});this._request.end()}}class PDFNodeStreamFsFullReader extends BaseFullReader{constructor(e){super(e);let t=decodeURIComponent(this._url.path);c.test(this._url.href)&&(t=t.replace(/^\//,""));a.lstat(t,(e,r)=>{if(e){"ENOENT"===e.code&&(e=new n.MissingPDFException(`Missing PDF "${t}".`));this._storedError=e;this._headersCapability.reject(e)}else{this._contentLength=r.size;this._setReadableStream(a.createReadStream(t));this._headersCapability.resolve()}})}}class PDFNodeStreamFsRangeReader extends BaseRangeReader{constructor(e,t,r){super(e);let n=decodeURIComponent(this._url.path);c.test(this._url.href)&&(n=n.replace(/^\//,""));this._setReadableStream(a.createReadStream(n,{start:t,end:r-1}))}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.createResponseStatusError=function createResponseStatusError(e,t){if(404===e||0===e&&t.startsWith("file:"))return new n.MissingPDFException('Missing PDF "'+t+'".');return new n.UnexpectedResponseException("Unexpected server response ("+e+') while retrieving PDF "'+t+'".',e)};t.extractFilenameFromHeader=function extractFilenameFromHeader(e){const t=e("Content-Disposition");if(t){let e=(0,s.getFilenameFromContentDispositionHeader)(t);if(e.includes("%"))try{e=decodeURIComponent(e)}catch(e){}if(/\.pdf$/i.test(e))return e}return null};t.validateRangeRequestCapabilities=function validateRangeRequestCapabilities({getResponseHeader:e,isHttp:t,rangeChunkSize:r,disableRange:s}){(0,n.assert)(r>0,"Range chunk size must be larger than zero");const a={allowRangeRequests:!1,suggestedLength:void 0},i=parseInt(e("Content-Length"),10);if(!Number.isInteger(i))return a;a.suggestedLength=i;if(i<=2*r)return a;if(s||!t)return a;if("bytes"!==e("Accept-Ranges"))return a;if("identity"!==(e("Content-Encoding")||"identity"))return a;a.allowRangeRequests=!0;return a};t.validateResponseStatus=function validateResponseStatus(e){return 200===e||206===e};var n=r(2),s=r(24)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getFilenameFromContentDispositionHeader=function getFilenameFromContentDispositionHeader(e){let t=!0,r=toParamRegExp("filename\\*","i").exec(e);if(r){r=r[1];let e=rfc2616unquote(r);e=unescape(e);e=rfc5987decode(e);e=rfc2047decode(e);return fixupEncoding(e)}r=function rfc2231getparam(e){const t=[];let r;const n=toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)","ig");for(;null!==(r=n.exec(e));){let[,e,n,s]=r;e=parseInt(e,10);if(e in t){if(0===e)break}else t[e]=[n,s]}const s=[];for(let e=0;e<t.length&&e in t;++e){let[r,n]=t[e];n=rfc2616unquote(n);if(r){n=unescape(n);0===e&&(n=rfc5987decode(n))}s.push(n)}return s.join("")}(e);if(r){return fixupEncoding(rfc2047decode(r))}r=toParamRegExp("filename","i").exec(e);if(r){r=r[1];let e=rfc2616unquote(r);e=rfc2047decode(e);return fixupEncoding(e)}function toParamRegExp(e,t){return new RegExp("(?:^|;)\\s*"+e+'\\s*=\\s*([^";\\s][^;\\s]*|"(?:[^"\\\\]|\\\\"?)+"?)',t)}function textdecode(e,r){if(e){if(!/^[\x00-\xFF]+$/.test(r))return r;try{const n=new TextDecoder(e,{fatal:!0}),s=Array.from(r,(function(e){return 255&e.charCodeAt(0)}));r=n.decode(new Uint8Array(s));t=!1}catch(n){if(/^utf-?8$/i.test(e))try{r=decodeURIComponent(escape(r));t=!1}catch(e){}}}return r}function fixupEncoding(e){if(t&&/[\x80-\xff]/.test(e)){e=textdecode("utf-8",e);t&&(e=textdecode("iso-8859-1",e))}return e}function rfc2616unquote(e){if(e.startsWith('"')){const t=e.slice(1).split('\\"');for(let e=0;e<t.length;++e){const r=t[e].indexOf('"');if(-1!==r){t[e]=t[e].slice(0,r);t.length=e+1}t[e]=t[e].replace(/\\(.)/g,"$1")}e=t.join('"')}return e}function rfc5987decode(e){const t=e.indexOf("'");if(-1===t)return e;return textdecode(e.slice(0,t),e.slice(t+1).replace(/^[^']*'/,""))}function rfc2047decode(e){return!e.startsWith("=?")||/[\x00-\x19\x80-\xff]/.test(e)?e:e.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g,(function(e,t,r,n){if("q"===r||"Q"===r)return textdecode(t,n=(n=n.replace(/_/g," ")).replace(/=([0-9a-fA-F]{2})/g,(function(e,t){return String.fromCharCode(parseInt(t,16))})));try{n=atob(n)}catch(e){}return textdecode(t,n)}))}return""}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFNetworkStream=void 0;var n=r(2),s=r(23);class NetworkManager{constructor(e,t){this.url=e;t=t||{};this.isHttp=/^https?:/i.test(e);this.httpHeaders=this.isHttp&&t.httpHeaders||{};this.withCredentials=t.withCredentials||!1;this.getXhr=t.getXhr||function NetworkManager_getXhr(){return new XMLHttpRequest};this.currXhrId=0;this.pendingRequests=Object.create(null)}requestRange(e,t,r){const n={begin:e,end:t};for(const e in r)n[e]=r[e];return this.request(n)}requestFull(e){return this.request(e)}request(e){const t=this.getXhr(),r=this.currXhrId++,n=this.pendingRequests[r]={xhr:t};t.open("GET",this.url);t.withCredentials=this.withCredentials;for(const e in this.httpHeaders){const r=this.httpHeaders[e];void 0!==r&&t.setRequestHeader(e,r)}if(this.isHttp&&"begin"in e&&"end"in e){t.setRequestHeader("Range",`bytes=${e.begin}-${e.end-1}`);n.expectedStatus=206}else n.expectedStatus=200;t.responseType="arraybuffer";e.onError&&(t.onerror=function(r){e.onError(t.status)});t.onreadystatechange=this.onStateChange.bind(this,r);t.onprogress=this.onProgress.bind(this,r);n.onHeadersReceived=e.onHeadersReceived;n.onDone=e.onDone;n.onError=e.onError;n.onProgress=e.onProgress;t.send(null);return r}onProgress(e,t){const r=this.pendingRequests[e];r&&r.onProgress&&r.onProgress(t)}onStateChange(e,t){const r=this.pendingRequests[e];if(!r)return;const s=r.xhr;if(s.readyState>=2&&r.onHeadersReceived){r.onHeadersReceived();delete r.onHeadersReceived}if(4!==s.readyState)return;if(!(e in this.pendingRequests))return;delete this.pendingRequests[e];if(0===s.status&&this.isHttp){r.onError&&r.onError(s.status);return}const a=s.status||200;if(!(200===a&&206===r.expectedStatus)&&a!==r.expectedStatus){r.onError&&r.onError(s.status);return}const i=function getArrayBuffer(e){const t=e.response;return"string"!=typeof t?t:(0,n.stringToBytes)(t).buffer}(s);if(206===a){const e=s.getResponseHeader("Content-Range"),t=/bytes (\d+)-(\d+)\/(\d+)/.exec(e);r.onDone({begin:parseInt(t[1],10),chunk:i})}else i?r.onDone({begin:0,chunk:i}):r.onError&&r.onError(s.status)}getRequestXhr(e){return this.pendingRequests[e].xhr}isPendingRequest(e){return e in this.pendingRequests}abortRequest(e){const t=this.pendingRequests[e].xhr;delete this.pendingRequests[e];t.abort()}}t.PDFNetworkStream=class PDFNetworkStream{constructor(e){this._source=e;this._manager=new NetworkManager(e.url,{httpHeaders:e.httpHeaders,withCredentials:e.withCredentials});this._rangeChunkSize=e.rangeChunkSize;this._fullRequestReader=null;this._rangeRequestReaders=[]}_onRangeRequestReaderClosed(e){const t=this._rangeRequestReaders.indexOf(e);t>=0&&this._rangeRequestReaders.splice(t,1)}getFullReader(){(0,n.assert)(!this._fullRequestReader,"PDFNetworkStream.getFullReader can only be called once.");this._fullRequestReader=new PDFNetworkStreamFullRequestReader(this._manager,this._source);return this._fullRequestReader}getRangeReader(e,t){const r=new PDFNetworkStreamRangeRequestReader(this._manager,e,t);r.onClosed=this._onRangeRequestReaderClosed.bind(this);this._rangeRequestReaders.push(r);return r}cancelAllRequests(e){this._fullRequestReader&&this._fullRequestReader.cancel(e);this._rangeRequestReaders.slice(0).forEach((function(t){t.cancel(e)}))}};class PDFNetworkStreamFullRequestReader{constructor(e,t){this._manager=e;const r={onHeadersReceived:this._onHeadersReceived.bind(this),onDone:this._onDone.bind(this),onError:this._onError.bind(this),onProgress:this._onProgress.bind(this)};this._url=t.url;this._fullRequestId=e.requestFull(r);this._headersReceivedCapability=(0,n.createPromiseCapability)();this._disableRange=t.disableRange||!1;this._contentLength=t.length;this._rangeChunkSize=t.rangeChunkSize;this._rangeChunkSize||this._disableRange||(this._disableRange=!0);this._isStreamingSupported=!1;this._isRangeSupported=!1;this._cachedChunks=[];this._requests=[];this._done=!1;this._storedError=void 0;this._filename=null;this.onProgress=null}_onHeadersReceived(){const e=this._fullRequestId,t=this._manager.getRequestXhr(e),getResponseHeader=e=>t.getResponseHeader(e),{allowRangeRequests:r,suggestedLength:n}=(0,s.validateRangeRequestCapabilities)({getResponseHeader:getResponseHeader,isHttp:this._manager.isHttp,rangeChunkSize:this._rangeChunkSize,disableRange:this._disableRange});r&&(this._isRangeSupported=!0);this._contentLength=n||this._contentLength;this._filename=(0,s.extractFilenameFromHeader)(getResponseHeader);this._isRangeSupported&&this._manager.abortRequest(e);this._headersReceivedCapability.resolve()}_onDone(e){if(e)if(this._requests.length>0){this._requests.shift().resolve({value:e.chunk,done:!1})}else this._cachedChunks.push(e.chunk);this._done=!0;if(!(this._cachedChunks.length>0)){this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[]}}_onError(e){const t=this._url,r=(0,s.createResponseStatusError)(e,t);this._storedError=r;this._headersReceivedCapability.reject(r);this._requests.forEach((function(e){e.reject(r)}));this._requests=[];this._cachedChunks=[]}_onProgress(e){this.onProgress&&this.onProgress({loaded:e.loaded,total:e.lengthComputable?e.total:this._contentLength})}get filename(){return this._filename}get isRangeSupported(){return this._isRangeSupported}get isStreamingSupported(){return this._isStreamingSupported}get contentLength(){return this._contentLength}get headersReady(){return this._headersReceivedCapability.promise}async read(){if(this._storedError)throw this._storedError;if(this._cachedChunks.length>0){return{value:this._cachedChunks.shift(),done:!1}}if(this._done)return{value:void 0,done:!0};const e=(0,n.createPromiseCapability)();this._requests.push(e);return e.promise}cancel(e){this._done=!0;this._headersReceivedCapability.reject(e);this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[];this._manager.isPendingRequest(this._fullRequestId)&&this._manager.abortRequest(this._fullRequestId);this._fullRequestReader=null}}class PDFNetworkStreamRangeRequestReader{constructor(e,t,r){this._manager=e;const n={onDone:this._onDone.bind(this),onProgress:this._onProgress.bind(this)};this._requestId=e.requestRange(t,r,n);this._requests=[];this._queuedChunk=null;this._done=!1;this.onProgress=null;this.onClosed=null}_close(){this.onClosed&&this.onClosed(this)}_onDone(e){const t=e.chunk;if(this._requests.length>0){this._requests.shift().resolve({value:t,done:!1})}else this._queuedChunk=t;this._done=!0;this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[];this._close()}_onProgress(e){!this.isStreamingSupported&&this.onProgress&&this.onProgress({loaded:e.loaded})}get isStreamingSupported(){return!1}async read(){if(null!==this._queuedChunk){const e=this._queuedChunk;this._queuedChunk=null;return{value:e,done:!1}}if(this._done)return{value:void 0,done:!0};const e=(0,n.createPromiseCapability)();this._requests.push(e);return e.promise}cancel(e){this._done=!0;this._requests.forEach((function(e){e.resolve({value:void 0,done:!0})}));this._requests=[];this._manager.isPendingRequest(this._requestId)&&this._manager.abortRequest(this._requestId);this._close()}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFFetchStream=void 0;var n=r(2),s=r(23);function createFetchOptions(e,t,r){return{method:"GET",headers:e,signal:r&&r.signal,mode:"cors",credentials:t?"include":"same-origin",redirect:"follow"}}function createHeaders(e){const t=new Headers;for(const r in e){const n=e[r];void 0!==n&&t.append(r,n)}return t}t.PDFFetchStream=class PDFFetchStream{constructor(e){this.source=e;this.isHttp=/^https?:/i.test(e.url);this.httpHeaders=this.isHttp&&e.httpHeaders||{};this._fullRequestReader=null;this._rangeRequestReaders=[]}get _progressiveDataLength(){return this._fullRequestReader?this._fullRequestReader._loaded:0}getFullReader(){(0,n.assert)(!this._fullRequestReader,"PDFFetchStream.getFullReader can only be called once.");this._fullRequestReader=new PDFFetchStreamReader(this);return this._fullRequestReader}getRangeReader(e,t){if(t<=this._progressiveDataLength)return null;const r=new PDFFetchStreamRangeReader(this,e,t);this._rangeRequestReaders.push(r);return r}cancelAllRequests(e){this._fullRequestReader&&this._fullRequestReader.cancel(e);this._rangeRequestReaders.slice(0).forEach((function(t){t.cancel(e)}))}};class PDFFetchStreamReader{constructor(e){this._stream=e;this._reader=null;this._loaded=0;this._filename=null;const t=e.source;this._withCredentials=t.withCredentials||!1;this._contentLength=t.length;this._headersCapability=(0,n.createPromiseCapability)();this._disableRange=t.disableRange||!1;this._rangeChunkSize=t.rangeChunkSize;this._rangeChunkSize||this._disableRange||(this._disableRange=!0);"undefined"!=typeof AbortController&&(this._abortController=new AbortController);this._isStreamingSupported=!t.disableStream;this._isRangeSupported=!t.disableRange;this._headers=createHeaders(this._stream.httpHeaders);const r=t.url;fetch(r,createFetchOptions(this._headers,this._withCredentials,this._abortController)).then(e=>{if(!(0,s.validateResponseStatus)(e.status))throw(0,s.createResponseStatusError)(e.status,r);this._reader=e.body.getReader();this._headersCapability.resolve();const getResponseHeader=t=>e.headers.get(t),{allowRangeRequests:t,suggestedLength:a}=(0,s.validateRangeRequestCapabilities)({getResponseHeader:getResponseHeader,isHttp:this._stream.isHttp,rangeChunkSize:this._rangeChunkSize,disableRange:this._disableRange});this._isRangeSupported=t;this._contentLength=a||this._contentLength;this._filename=(0,s.extractFilenameFromHeader)(getResponseHeader);!this._isStreamingSupported&&this._isRangeSupported&&this.cancel(new n.AbortException("Streaming is disabled."))}).catch(this._headersCapability.reject);this.onProgress=null}get headersReady(){return this._headersCapability.promise}get filename(){return this._filename}get contentLength(){return this._contentLength}get isRangeSupported(){return this._isRangeSupported}get isStreamingSupported(){return this._isStreamingSupported}async read(){await this._headersCapability.promise;const{value:e,done:t}=await this._reader.read();if(t)return{value:e,done:t};this._loaded+=e.byteLength;this.onProgress&&this.onProgress({loaded:this._loaded,total:this._contentLength});return{value:new Uint8Array(e).buffer,done:!1}}cancel(e){this._reader&&this._reader.cancel(e);this._abortController&&this._abortController.abort()}}class PDFFetchStreamRangeReader{constructor(e,t,r){this._stream=e;this._reader=null;this._loaded=0;const a=e.source;this._withCredentials=a.withCredentials||!1;this._readCapability=(0,n.createPromiseCapability)();this._isStreamingSupported=!a.disableStream;"undefined"!=typeof AbortController&&(this._abortController=new AbortController);this._headers=createHeaders(this._stream.httpHeaders);this._headers.append("Range",`bytes=${t}-${r-1}`);const i=a.url;fetch(i,createFetchOptions(this._headers,this._withCredentials,this._abortController)).then(e=>{if(!(0,s.validateResponseStatus)(e.status))throw(0,s.createResponseStatusError)(e.status,i);this._readCapability.resolve();this._reader=e.body.getReader()}).catch(e=>{if(!e||"AbortError"!==e.name)throw e});this.onProgress=null}get isStreamingSupported(){return this._isStreamingSupported}async read(){await this._readCapability.promise;const{value:e,done:t}=await this._reader.read();if(t)return{value:e,done:t};this._loaded+=e.byteLength;this.onProgress&&this.onProgress({loaded:this._loaded});return{value:new Uint8Array(e).buffer,done:!1}}cancel(e){this._reader&&this._reader.cancel(e);this._abortController&&this._abortController.abort()}}}])}));
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.worker.entry.js b/node_modules/pdfjs-dist/build/pdf.worker.entry.js
new file mode 100644
index 00000000..1000f612
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.worker.entry.js
@@ -0,0 +1,19 @@
+/* Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(typeof window !== "undefined"
+  ? window
+  : {}
+).pdfjsWorker = require("./pdf.worker.js");
diff --git a/node_modules/pdfjs-dist/build/pdf.worker.js b/node_modules/pdfjs-dist/build/pdf.worker.js
new file mode 100644
index 00000000..58bdf7c1
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.worker.js
@@ -0,0 +1,47638 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/build/pdf.worker", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/build/pdf.worker"] = factory();
+	else
+		root["pdfjs-dist/build/pdf.worker"] = root.pdfjsWorker = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "WorkerMessageHandler", {
+  enumerable: true,
+  get: function () {
+    return _worker.WorkerMessageHandler;
+  }
+});
+
+var _worker = __w_pdfjs_require__(1);
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WorkerMessageHandler = exports.WorkerTask = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _pdf_manager = __w_pdfjs_require__(6);
+
+var _writer = __w_pdfjs_require__(27);
+
+var _is_node = __w_pdfjs_require__(4);
+
+var _message_handler = __w_pdfjs_require__(46);
+
+var _worker_stream = __w_pdfjs_require__(47);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+class WorkerTask {
+  constructor(name) {
+    this.name = name;
+    this.terminated = false;
+    this._capability = (0, _util.createPromiseCapability)();
+  }
+
+  get finished() {
+    return this._capability.promise;
+  }
+
+  finish() {
+    this._capability.resolve();
+  }
+
+  terminate() {
+    this.terminated = true;
+  }
+
+  ensureNotTerminated() {
+    if (this.terminated) {
+      throw new Error("Worker task was terminated");
+    }
+  }
+
+}
+
+exports.WorkerTask = WorkerTask;
+
+class WorkerMessageHandler {
+  static setup(handler, port) {
+    var testMessageProcessed = false;
+    handler.on("test", function wphSetupTest(data) {
+      if (testMessageProcessed) {
+        return;
+      }
+
+      testMessageProcessed = true;
+
+      if (!(data instanceof Uint8Array)) {
+        handler.send("test", null);
+        return;
+      }
+
+      const supportTransfers = data[0] === 255;
+      handler.postMessageTransfers = supportTransfers;
+      handler.send("test", {
+        supportTransfers
+      });
+    });
+    handler.on("configure", function wphConfigure(data) {
+      (0, _util.setVerbosityLevel)(data.verbosity);
+    });
+    handler.on("GetDocRequest", function wphSetupDoc(data) {
+      return WorkerMessageHandler.createDocumentHandler(data, port);
+    });
+  }
+
+  static createDocumentHandler(docParams, port) {
+    var pdfManager;
+    var terminated = false;
+    var cancelXHRs = null;
+    var WorkerTasks = [];
+    const verbosity = (0, _util.getVerbosityLevel)();
+    const apiVersion = docParams.apiVersion;
+    const workerVersion = '2.6.347';
+
+    if (apiVersion !== workerVersion) {
+      throw new Error(`The API version "${apiVersion}" does not match ` + `the Worker version "${workerVersion}".`);
+    }
+
+    const enumerableProperties = [];
+
+    for (const property in []) {
+      enumerableProperties.push(property);
+    }
+
+    if (enumerableProperties.length) {
+      throw new Error("The `Array.prototype` contains unexpected enumerable properties: " + enumerableProperties.join(", ") + "; thus breaking e.g. `for...in` iteration of `Array`s.");
+    }
+
+    if (typeof ReadableStream === "undefined" || typeof Promise.allSettled === "undefined") {
+      throw new Error("The browser/environment lacks native support for critical " + "functionality used by the PDF.js library (e.g. " + "`ReadableStream` and/or `Promise.allSettled`); " + "please use an ES5-compatible build instead.");
+    }
+
+    var docId = docParams.docId;
+    var docBaseUrl = docParams.docBaseUrl;
+    var workerHandlerName = docParams.docId + "_worker";
+    var handler = new _message_handler.MessageHandler(workerHandlerName, docId, port);
+    handler.postMessageTransfers = docParams.postMessageTransfers;
+
+    function ensureNotTerminated() {
+      if (terminated) {
+        throw new Error("Worker was terminated");
+      }
+    }
+
+    function startWorkerTask(task) {
+      WorkerTasks.push(task);
+    }
+
+    function finishWorkerTask(task) {
+      task.finish();
+      var i = WorkerTasks.indexOf(task);
+      WorkerTasks.splice(i, 1);
+    }
+
+    async function loadDocument(recoveryMode) {
+      await pdfManager.ensureDoc("checkHeader");
+      await pdfManager.ensureDoc("parseStartXRef");
+      await pdfManager.ensureDoc("parse", [recoveryMode]);
+
+      if (!recoveryMode) {
+        await pdfManager.ensureDoc("checkFirstPage");
+      }
+
+      const [numPages, fingerprint] = await Promise.all([pdfManager.ensureDoc("numPages"), pdfManager.ensureDoc("fingerprint")]);
+      return {
+        numPages,
+        fingerprint
+      };
+    }
+
+    function getPdfManager(data, evaluatorOptions) {
+      var pdfManagerCapability = (0, _util.createPromiseCapability)();
+      let newPdfManager;
+      var source = data.source;
+
+      if (source.data) {
+        try {
+          newPdfManager = new _pdf_manager.LocalPdfManager(docId, source.data, source.password, evaluatorOptions, docBaseUrl);
+          pdfManagerCapability.resolve(newPdfManager);
+        } catch (ex) {
+          pdfManagerCapability.reject(ex);
+        }
+
+        return pdfManagerCapability.promise;
+      }
+
+      var pdfStream,
+          cachedChunks = [];
+
+      try {
+        pdfStream = new _worker_stream.PDFWorkerStream(handler);
+      } catch (ex) {
+        pdfManagerCapability.reject(ex);
+        return pdfManagerCapability.promise;
+      }
+
+      var fullRequest = pdfStream.getFullReader();
+      fullRequest.headersReady.then(function () {
+        if (!fullRequest.isRangeSupported) {
+          return;
+        }
+
+        var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported;
+        newPdfManager = new _pdf_manager.NetworkPdfManager(docId, pdfStream, {
+          msgHandler: handler,
+          password: source.password,
+          length: fullRequest.contentLength,
+          disableAutoFetch,
+          rangeChunkSize: source.rangeChunkSize
+        }, evaluatorOptions, docBaseUrl);
+
+        for (let i = 0; i < cachedChunks.length; i++) {
+          newPdfManager.sendProgressiveData(cachedChunks[i]);
+        }
+
+        cachedChunks = [];
+        pdfManagerCapability.resolve(newPdfManager);
+        cancelXHRs = null;
+      }).catch(function (reason) {
+        pdfManagerCapability.reject(reason);
+        cancelXHRs = null;
+      });
+      var loaded = 0;
+
+      var flushChunks = function () {
+        var pdfFile = (0, _util.arraysToBytes)(cachedChunks);
+
+        if (source.length && pdfFile.length !== source.length) {
+          (0, _util.warn)("reported HTTP length is different from actual");
+        }
+
+        try {
+          newPdfManager = new _pdf_manager.LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, docBaseUrl);
+          pdfManagerCapability.resolve(newPdfManager);
+        } catch (ex) {
+          pdfManagerCapability.reject(ex);
+        }
+
+        cachedChunks = [];
+      };
+
+      var readPromise = new Promise(function (resolve, reject) {
+        var readChunk = function ({
+          value,
+          done
+        }) {
+          try {
+            ensureNotTerminated();
+
+            if (done) {
+              if (!newPdfManager) {
+                flushChunks();
+              }
+
+              cancelXHRs = null;
+              return;
+            }
+
+            loaded += (0, _util.arrayByteLength)(value);
+
+            if (!fullRequest.isStreamingSupported) {
+              handler.send("DocProgress", {
+                loaded,
+                total: Math.max(loaded, fullRequest.contentLength || 0)
+              });
+            }
+
+            if (newPdfManager) {
+              newPdfManager.sendProgressiveData(value);
+            } else {
+              cachedChunks.push(value);
+            }
+
+            fullRequest.read().then(readChunk, reject);
+          } catch (e) {
+            reject(e);
+          }
+        };
+
+        fullRequest.read().then(readChunk, reject);
+      });
+      readPromise.catch(function (e) {
+        pdfManagerCapability.reject(e);
+        cancelXHRs = null;
+      });
+
+      cancelXHRs = function (reason) {
+        pdfStream.cancelAllRequests(reason);
+      };
+
+      return pdfManagerCapability.promise;
+    }
+
+    function setupDoc(data) {
+      function onSuccess(doc) {
+        ensureNotTerminated();
+        handler.send("GetDoc", {
+          pdfInfo: doc
+        });
+      }
+
+      function onFailure(ex) {
+        ensureNotTerminated();
+
+        if (ex instanceof _util.PasswordException) {
+          var task = new WorkerTask(`PasswordException: response ${ex.code}`);
+          startWorkerTask(task);
+          handler.sendWithPromise("PasswordRequest", ex).then(function ({
+            password
+          }) {
+            finishWorkerTask(task);
+            pdfManager.updatePassword(password);
+            pdfManagerReady();
+          }).catch(function () {
+            finishWorkerTask(task);
+            handler.send("DocException", ex);
+          });
+        } else if (ex instanceof _util.InvalidPDFException || ex instanceof _util.MissingPDFException || ex instanceof _util.UnexpectedResponseException || ex instanceof _util.UnknownErrorException) {
+          handler.send("DocException", ex);
+        } else {
+          handler.send("DocException", new _util.UnknownErrorException(ex.message, ex.toString()));
+        }
+      }
+
+      function pdfManagerReady() {
+        ensureNotTerminated();
+        loadDocument(false).then(onSuccess, function (reason) {
+          ensureNotTerminated();
+
+          if (!(reason instanceof _core_utils.XRefParseException)) {
+            onFailure(reason);
+            return;
+          }
+
+          pdfManager.requestLoadedStream();
+          pdfManager.onLoadedStream().then(function () {
+            ensureNotTerminated();
+            loadDocument(true).then(onSuccess, onFailure);
+          });
+        });
+      }
+
+      ensureNotTerminated();
+      var evaluatorOptions = {
+        maxImageSize: data.maxImageSize,
+        disableFontFace: data.disableFontFace,
+        ignoreErrors: data.ignoreErrors,
+        isEvalSupported: data.isEvalSupported,
+        fontExtraProperties: data.fontExtraProperties
+      };
+      getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
+        if (terminated) {
+          newPdfManager.terminate(new _util.AbortException("Worker was terminated."));
+          throw new Error("Worker was terminated");
+        }
+
+        pdfManager = newPdfManager;
+        pdfManager.onLoadedStream().then(function (stream) {
+          handler.send("DataLoaded", {
+            length: stream.bytes.byteLength
+          });
+        });
+      }).then(pdfManagerReady, onFailure);
+    }
+
+    handler.on("GetPage", function wphSetupGetPage(data) {
+      return pdfManager.getPage(data.pageIndex).then(function (page) {
+        return Promise.all([pdfManager.ensure(page, "rotate"), pdfManager.ensure(page, "ref"), pdfManager.ensure(page, "userUnit"), pdfManager.ensure(page, "view")]).then(function ([rotate, ref, userUnit, view]) {
+          return {
+            rotate,
+            ref,
+            userUnit,
+            view
+          };
+        });
+      });
+    });
+    handler.on("GetPageIndex", function wphSetupGetPageIndex({
+      ref
+    }) {
+      const pageRef = _primitives.Ref.get(ref.num, ref.gen);
+
+      return pdfManager.ensureCatalog("getPageIndex", [pageRef]);
+    });
+    handler.on("GetDestinations", function wphSetupGetDestinations(data) {
+      return pdfManager.ensureCatalog("destinations");
+    });
+    handler.on("GetDestination", function wphSetupGetDestination(data) {
+      return pdfManager.ensureCatalog("getDestination", [data.id]);
+    });
+    handler.on("GetPageLabels", function wphSetupGetPageLabels(data) {
+      return pdfManager.ensureCatalog("pageLabels");
+    });
+    handler.on("GetPageLayout", function wphSetupGetPageLayout(data) {
+      return pdfManager.ensureCatalog("pageLayout");
+    });
+    handler.on("GetPageMode", function wphSetupGetPageMode(data) {
+      return pdfManager.ensureCatalog("pageMode");
+    });
+    handler.on("GetViewerPreferences", function (data) {
+      return pdfManager.ensureCatalog("viewerPreferences");
+    });
+    handler.on("GetOpenAction", function (data) {
+      return pdfManager.ensureCatalog("openAction");
+    });
+    handler.on("GetAttachments", function wphSetupGetAttachments(data) {
+      return pdfManager.ensureCatalog("attachments");
+    });
+    handler.on("GetJavaScript", function wphSetupGetJavaScript(data) {
+      return pdfManager.ensureCatalog("javaScript");
+    });
+    handler.on("GetOutline", function wphSetupGetOutline(data) {
+      return pdfManager.ensureCatalog("documentOutline");
+    });
+    handler.on("GetOptionalContentConfig", function (data) {
+      return pdfManager.ensureCatalog("optionalContentConfig");
+    });
+    handler.on("GetPermissions", function (data) {
+      return pdfManager.ensureCatalog("permissions");
+    });
+    handler.on("GetMetadata", function wphSetupGetMetadata(data) {
+      return Promise.all([pdfManager.ensureDoc("documentInfo"), pdfManager.ensureCatalog("metadata")]);
+    });
+    handler.on("GetData", function wphSetupGetData(data) {
+      pdfManager.requestLoadedStream();
+      return pdfManager.onLoadedStream().then(function (stream) {
+        return stream.bytes;
+      });
+    });
+    handler.on("GetStats", function wphSetupGetStats(data) {
+      return pdfManager.ensureXRef("stats");
+    });
+    handler.on("GetAnnotations", function ({
+      pageIndex,
+      intent
+    }) {
+      return pdfManager.getPage(pageIndex).then(function (page) {
+        return page.getAnnotationsData(intent);
+      });
+    });
+    handler.on("SaveDocument", function ({
+      numPages,
+      annotationStorage,
+      filename
+    }) {
+      pdfManager.requestLoadedStream();
+      const promises = [pdfManager.onLoadedStream()];
+      const document = pdfManager.pdfDocument;
+
+      for (let pageIndex = 0; pageIndex < numPages; pageIndex++) {
+        promises.push(pdfManager.getPage(pageIndex).then(function (page) {
+          const task = new WorkerTask(`Save: page ${pageIndex}`);
+          return page.save(handler, task, annotationStorage);
+        }));
+      }
+
+      return Promise.all(promises).then(([stream, ...refs]) => {
+        let newRefs = [];
+
+        for (const ref of refs) {
+          newRefs = ref.filter(x => x !== null).reduce((a, b) => a.concat(b), newRefs);
+        }
+
+        if (newRefs.length === 0) {
+          return stream.bytes;
+        }
+
+        const xref = document.xref;
+        let newXrefInfo = Object.create(null);
+
+        if (xref.trailer) {
+          const _info = Object.create(null);
+
+          const xrefInfo = xref.trailer.get("Info") || null;
+
+          if (xrefInfo) {
+            xrefInfo.forEach((key, value) => {
+              if ((0, _util.isString)(key) && (0, _util.isString)(value)) {
+                _info[key] = (0, _util.stringToPDFString)(value);
+              }
+            });
+          }
+
+          newXrefInfo = {
+            rootRef: xref.trailer.getRaw("Root") || null,
+            encrypt: xref.trailer.getRaw("Encrypt") || null,
+            newRef: xref.getNewRef(),
+            infoRef: xref.trailer.getRaw("Info") || null,
+            info: _info,
+            fileIds: xref.trailer.getRaw("ID") || null,
+            startXRef: document.startXRef,
+            filename
+          };
+        }
+
+        xref.resetNewRef();
+        return (0, _writer.incrementalUpdate)(stream.bytes, newXrefInfo, newRefs);
+      });
+    });
+    handler.on("GetOperatorList", function wphSetupRenderPage(data, sink) {
+      var pageIndex = data.pageIndex;
+      pdfManager.getPage(pageIndex).then(function (page) {
+        var task = new WorkerTask(`GetOperatorList: page ${pageIndex}`);
+        startWorkerTask(task);
+        const start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+        page.getOperatorList({
+          handler,
+          sink,
+          task,
+          intent: data.intent,
+          renderInteractiveForms: data.renderInteractiveForms,
+          annotationStorage: data.annotationStorage
+        }).then(function (operatorListInfo) {
+          finishWorkerTask(task);
+
+          if (start) {
+            (0, _util.info)(`page=${pageIndex + 1} - getOperatorList: time=` + `${Date.now() - start}ms, len=${operatorListInfo.length}`);
+          }
+
+          sink.close();
+        }, function (reason) {
+          finishWorkerTask(task);
+
+          if (task.terminated) {
+            return;
+          }
+
+          handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+          });
+          sink.error(reason);
+        });
+      });
+    }, this);
+    handler.on("GetTextContent", function wphExtractText(data, sink) {
+      var pageIndex = data.pageIndex;
+
+      sink.onPull = function (desiredSize) {};
+
+      sink.onCancel = function (reason) {};
+
+      pdfManager.getPage(pageIndex).then(function (page) {
+        var task = new WorkerTask("GetTextContent: page " + pageIndex);
+        startWorkerTask(task);
+        const start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+        page.extractTextContent({
+          handler,
+          task,
+          sink,
+          normalizeWhitespace: data.normalizeWhitespace,
+          combineTextItems: data.combineTextItems
+        }).then(function () {
+          finishWorkerTask(task);
+
+          if (start) {
+            (0, _util.info)(`page=${pageIndex + 1} - getTextContent: time=` + `${Date.now() - start}ms`);
+          }
+
+          sink.close();
+        }, function (reason) {
+          finishWorkerTask(task);
+
+          if (task.terminated) {
+            return;
+          }
+
+          sink.error(reason);
+        });
+      });
+    });
+    handler.on("FontFallback", function (data) {
+      return pdfManager.fontFallback(data.id, handler);
+    });
+    handler.on("Cleanup", function wphCleanup(data) {
+      return pdfManager.cleanup(true);
+    });
+    handler.on("Terminate", function wphTerminate(data) {
+      terminated = true;
+      const waitOn = [];
+
+      if (pdfManager) {
+        pdfManager.terminate(new _util.AbortException("Worker was terminated."));
+        const cleanupPromise = pdfManager.cleanup();
+        waitOn.push(cleanupPromise);
+        pdfManager = null;
+      } else {
+        (0, _primitives.clearPrimitiveCaches)();
+      }
+
+      if (cancelXHRs) {
+        cancelXHRs(new _util.AbortException("Worker was terminated."));
+      }
+
+      WorkerTasks.forEach(function (task) {
+        waitOn.push(task.finished);
+        task.terminate();
+      });
+      return Promise.all(waitOn).then(function () {
+        handler.destroy();
+        handler = null;
+      });
+    });
+    handler.on("Ready", function wphReady(data) {
+      setupDoc(docParams);
+      docParams = null;
+    });
+    return workerHandlerName;
+  }
+
+  static initializeFromPort(port) {
+    var handler = new _message_handler.MessageHandler("worker", "main", port);
+    WorkerMessageHandler.setup(handler, port);
+    handler.send("ready", null);
+  }
+
+}
+
+exports.WorkerMessageHandler = WorkerMessageHandler;
+
+function isMessagePort(maybePort) {
+  return typeof maybePort.postMessage === "function" && "onmessage" in maybePort;
+}
+
+if (typeof window === "undefined" && !_is_node.isNodeJS && typeof self !== "undefined" && isMessagePort(self)) {
+  WorkerMessageHandler.initializeFromPort(self);
+}
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(3);
+
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+const AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+let verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log(`Info: ${msg}`);
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log(`Warning: ${msg}`);
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  let base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  const other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+const BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+  constructor(msg, code) {
+    super(msg);
+    this.code = code;
+  }
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+  constructor(msg, details) {
+    super(msg);
+    this.details = details;
+  }
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+  constructor(msg, status) {
+    super(msg);
+    this.status = status;
+  }
+
+}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {}
+
+exports.AbortException = AbortException;
+const NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  const length = bytes.length;
+  const MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  const strBuf = [];
+
+  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    const chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  const length = str.length;
+  const bytes = new Uint8Array(length);
+
+  for (let i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  const length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  let resultLength = 0;
+
+  for (let i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  let pos = 0;
+  const data = new Uint8Array(resultLength);
+
+  for (let i = 0; i < length; i++) {
+    let item = arr[i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    const itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  const buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  const view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+const IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+const IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+class Util {
+  static makeCssRgb(r, g, b) {
+    rgbBuf[1] = r;
+    rgbBuf[3] = g;
+    rgbBuf[5] = b;
+    return rgbBuf.join("");
+  }
+
+  static transform(m1, m2) {
+    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+  }
+
+  static applyTransform(p, m) {
+    const xt = p[0] * m[0] + p[1] * m[2] + m[4];
+    const yt = p[0] * m[1] + p[1] * m[3] + m[5];
+    return [xt, yt];
+  }
+
+  static applyInverseTransform(p, m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+    return [xt, yt];
+  }
+
+  static getAxialAlignedBoundingBox(r, m) {
+    const p1 = Util.applyTransform(r, m);
+    const p2 = Util.applyTransform(r.slice(2, 4), m);
+    const p3 = Util.applyTransform([r[0], r[3]], m);
+    const p4 = Util.applyTransform([r[2], r[1]], m);
+    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+  }
+
+  static inverseTransform(m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+  }
+
+  static apply3dTransform(m, v) {
+    return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+  }
+
+  static singularValueDecompose2dScale(m) {
+    const transpose = [m[0], m[2], m[1], m[3]];
+    const a = m[0] * transpose[0] + m[1] * transpose[2];
+    const b = m[0] * transpose[1] + m[1] * transpose[3];
+    const c = m[2] * transpose[0] + m[3] * transpose[2];
+    const d = m[2] * transpose[1] + m[3] * transpose[3];
+    const first = (a + d) / 2;
+    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+    const sx = first + second || 1;
+    const sy = first - second || 1;
+    return [Math.sqrt(sx), Math.sqrt(sy)];
+  }
+
+  static normalizeRect(rect) {
+    const r = rect.slice(0);
+
+    if (rect[0] > rect[2]) {
+      r[0] = rect[2];
+      r[2] = rect[0];
+    }
+
+    if (rect[1] > rect[3]) {
+      r[1] = rect[3];
+      r[3] = rect[1];
+    }
+
+    return r;
+  }
+
+  static intersect(rect1, rect2) {
+    function compare(a, b) {
+      return a - b;
+    }
+
+    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+    const result = [];
+    rect1 = Util.normalizeRect(rect1);
+    rect2 = Util.normalizeRect(rect2);
+
+    if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+      result[0] = orderedX[1];
+      result[2] = orderedX[2];
+    } else {
+      return null;
+    }
+
+    if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+      result[1] = orderedY[1];
+      result[3] = orderedY[2];
+    } else {
+      return null;
+    }
+
+    return result;
+  }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  const length = str.length,
+        strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
+    }
+  } else {
+    for (let i = 0; i < length; ++i) {
+      const code = PDFStringTranslateTable[str.charCodeAt(i)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate(date = new Date(Date.now())) {
+  const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  const capability = Object.create(null);
+  let isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get() {
+      return isSettled;
+    }
+
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+const createObjectURL = function createObjectURLClosure() {
+  const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType, forceDataSchema = false) {
+    if (!forceDataSchema && URL.createObjectURL) {
+      const blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    let buffer = `data:${contentType};base64,`;
+
+    for (let i = 0, ii = data.length; i < ii; i += 3) {
+      const b1 = data[i] & 0xff;
+      const b2 = data[i + 1] & 0xff;
+      const b3 = data[i + 2] & 0xff;
+      const d1 = b1 >> 2,
+            d2 = (b1 & 3) << 4 | b2 >> 4;
+      const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(4);
+
+;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.clearPrimitiveCaches = clearPrimitiveCaches;
+exports.isEOF = isEOF;
+exports.isCmd = isCmd;
+exports.isDict = isDict;
+exports.isName = isName;
+exports.isRef = isRef;
+exports.isRefsEqual = isRefsEqual;
+exports.isStream = isStream;
+exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.Dict = exports.Cmd = exports.EOF = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var EOF = {};
+exports.EOF = EOF;
+
+var Name = function NameClosure() {
+  let nameCache = Object.create(null);
+
+  function Name(name) {
+    this.name = name;
+  }
+
+  Name.prototype = {};
+
+  Name.get = function Name_get(name) {
+    var nameValue = nameCache[name];
+    return nameValue ? nameValue : nameCache[name] = new Name(name);
+  };
+
+  Name._clearCache = function () {
+    nameCache = Object.create(null);
+  };
+
+  return Name;
+}();
+
+exports.Name = Name;
+
+var Cmd = function CmdClosure() {
+  let cmdCache = Object.create(null);
+
+  function Cmd(cmd) {
+    this.cmd = cmd;
+  }
+
+  Cmd.prototype = {};
+
+  Cmd.get = function Cmd_get(cmd) {
+    var cmdValue = cmdCache[cmd];
+    return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
+  };
+
+  Cmd._clearCache = function () {
+    cmdCache = Object.create(null);
+  };
+
+  return Cmd;
+}();
+
+exports.Cmd = Cmd;
+
+var Dict = function DictClosure() {
+  var nonSerializable = function nonSerializableClosure() {
+    return nonSerializable;
+  };
+
+  function Dict(xref) {
+    this._map = Object.create(null);
+    this.xref = xref;
+    this.objId = null;
+    this.suppressEncryption = false;
+    this.__nonSerializable__ = nonSerializable;
+  }
+
+  Dict.prototype = {
+    assignXref: function Dict_assignXref(newXref) {
+      this.xref = newXref;
+    },
+
+    get size() {
+      return Object.keys(this._map).length;
+    },
+
+    get(key1, key2, key3) {
+      let value = this._map[key1];
+
+      if (value === undefined && key2 !== undefined) {
+        value = this._map[key2];
+
+        if (value === undefined && key3 !== undefined) {
+          value = this._map[key3];
+        }
+      }
+
+      if (value instanceof Ref && this.xref) {
+        return this.xref.fetch(value, this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    async getAsync(key1, key2, key3) {
+      let value = this._map[key1];
+
+      if (value === undefined && key2 !== undefined) {
+        value = this._map[key2];
+
+        if (value === undefined && key3 !== undefined) {
+          value = this._map[key3];
+        }
+      }
+
+      if (value instanceof Ref && this.xref) {
+        return this.xref.fetchAsync(value, this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    getArray(key1, key2, key3) {
+      let value = this.get(key1, key2, key3);
+
+      if (!Array.isArray(value) || !this.xref) {
+        return value;
+      }
+
+      value = value.slice();
+
+      for (let i = 0, ii = value.length; i < ii; i++) {
+        if (!(value[i] instanceof Ref)) {
+          continue;
+        }
+
+        value[i] = this.xref.fetch(value[i], this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    getRaw: function Dict_getRaw(key) {
+      return this._map[key];
+    },
+    getKeys: function Dict_getKeys() {
+      return Object.keys(this._map);
+    },
+    getRawValues: function Dict_getRawValues() {
+      return Object.values(this._map);
+    },
+    set: function Dict_set(key, value) {
+      this._map[key] = value;
+    },
+    has: function Dict_has(key) {
+      return this._map[key] !== undefined;
+    },
+    forEach: function Dict_forEach(callback) {
+      for (var key in this._map) {
+        callback(key, this.get(key));
+      }
+    }
+  };
+  Dict.empty = new Dict(null);
+
+  Dict.merge = function ({
+    xref,
+    dictArray,
+    mergeSubDicts = false
+  }) {
+    const mergedDict = new Dict(xref);
+
+    if (!mergeSubDicts) {
+      for (const dict of dictArray) {
+        if (!(dict instanceof Dict)) {
+          continue;
+        }
+
+        for (const [key, value] of Object.entries(dict._map)) {
+          if (mergedDict._map[key] === undefined) {
+            mergedDict._map[key] = value;
+          }
+        }
+      }
+
+      return mergedDict.size > 0 ? mergedDict : Dict.empty;
+    }
+
+    const properties = new Map();
+
+    for (const dict of dictArray) {
+      if (!(dict instanceof Dict)) {
+        continue;
+      }
+
+      for (const [key, value] of Object.entries(dict._map)) {
+        let property = properties.get(key);
+
+        if (property === undefined) {
+          property = [];
+          properties.set(key, property);
+        }
+
+        property.push(value);
+      }
+    }
+
+    for (const [name, values] of properties) {
+      if (values.length === 1 || !(values[0] instanceof Dict)) {
+        mergedDict._map[name] = values[0];
+        continue;
+      }
+
+      const subDict = new Dict(xref);
+
+      for (const dict of values) {
+        if (!(dict instanceof Dict)) {
+          continue;
+        }
+
+        for (const [key, value] of Object.entries(dict._map)) {
+          if (subDict._map[key] === undefined) {
+            subDict._map[key] = value;
+          }
+        }
+      }
+
+      if (subDict.size > 0) {
+        mergedDict._map[name] = subDict;
+      }
+    }
+
+    properties.clear();
+    return mergedDict.size > 0 ? mergedDict : Dict.empty;
+  };
+
+  return Dict;
+}();
+
+exports.Dict = Dict;
+
+var Ref = function RefClosure() {
+  let refCache = Object.create(null);
+
+  function Ref(num, gen) {
+    this.num = num;
+    this.gen = gen;
+  }
+
+  Ref.prototype = {
+    toString: function Ref_toString() {
+      if (this.gen === 0) {
+        return `${this.num}R`;
+      }
+
+      return `${this.num}R${this.gen}`;
+    }
+  };
+
+  Ref.get = function (num, gen) {
+    const key = gen === 0 ? `${num}R` : `${num}R${gen}`;
+    const refValue = refCache[key];
+    return refValue ? refValue : refCache[key] = new Ref(num, gen);
+  };
+
+  Ref._clearCache = function () {
+    refCache = Object.create(null);
+  };
+
+  return Ref;
+}();
+
+exports.Ref = Ref;
+
+class RefSet {
+  constructor() {
+    this._set = new Set();
+  }
+
+  has(ref) {
+    return this._set.has(ref.toString());
+  }
+
+  put(ref) {
+    this._set.add(ref.toString());
+  }
+
+  remove(ref) {
+    this._set.delete(ref.toString());
+  }
+
+}
+
+exports.RefSet = RefSet;
+
+class RefSetCache {
+  constructor() {
+    this._map = new Map();
+  }
+
+  get size() {
+    return this._map.size;
+  }
+
+  get(ref) {
+    return this._map.get(ref.toString());
+  }
+
+  has(ref) {
+    return this._map.has(ref.toString());
+  }
+
+  put(ref, obj) {
+    this._map.set(ref.toString(), obj);
+  }
+
+  putAlias(ref, aliasRef) {
+    this._map.set(ref.toString(), this.get(aliasRef));
+  }
+
+  forEach(callback) {
+    for (const value of this._map.values()) {
+      callback(value);
+    }
+  }
+
+  clear() {
+    this._map.clear();
+  }
+
+}
+
+exports.RefSetCache = RefSetCache;
+
+function isEOF(v) {
+  return v === EOF;
+}
+
+function isName(v, name) {
+  return v instanceof Name && (name === undefined || v.name === name);
+}
+
+function isCmd(v, cmd) {
+  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
+}
+
+function isDict(v, type) {
+  return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
+}
+
+function isRef(v) {
+  return v instanceof Ref;
+}
+
+function isRefsEqual(v1, v2) {
+  return v1.num === v2.num && v1.gen === v2.gen;
+}
+
+function isStream(v) {
+  return typeof v === "object" && v !== null && v.getBytes !== undefined;
+}
+
+function clearPrimitiveCaches() {
+  Cmd._clearCache();
+
+  Name._clearCache();
+
+  Ref._clearCache();
+}
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NetworkPdfManager = exports.LocalPdfManager = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _chunked_stream = __w_pdfjs_require__(7);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _document = __w_pdfjs_require__(9);
+
+var _stream = __w_pdfjs_require__(12);
+
+class BasePdfManager {
+  constructor() {
+    if (this.constructor === BasePdfManager) {
+      (0, _util.unreachable)("Cannot initialize BasePdfManager.");
+    }
+  }
+
+  get docId() {
+    return this._docId;
+  }
+
+  get password() {
+    return this._password;
+  }
+
+  get docBaseUrl() {
+    let docBaseUrl = null;
+
+    if (this._docBaseUrl) {
+      const absoluteUrl = (0, _util.createValidAbsoluteUrl)(this._docBaseUrl);
+
+      if (absoluteUrl) {
+        docBaseUrl = absoluteUrl.href;
+      } else {
+        (0, _util.warn)(`Invalid absolute docBaseUrl: "${this._docBaseUrl}".`);
+      }
+    }
+
+    return (0, _util.shadow)(this, "docBaseUrl", docBaseUrl);
+  }
+
+  onLoadedStream() {
+    (0, _util.unreachable)("Abstract method `onLoadedStream` called");
+  }
+
+  ensureDoc(prop, args) {
+    return this.ensure(this.pdfDocument, prop, args);
+  }
+
+  ensureXRef(prop, args) {
+    return this.ensure(this.pdfDocument.xref, prop, args);
+  }
+
+  ensureCatalog(prop, args) {
+    return this.ensure(this.pdfDocument.catalog, prop, args);
+  }
+
+  getPage(pageIndex) {
+    return this.pdfDocument.getPage(pageIndex);
+  }
+
+  fontFallback(id, handler) {
+    return this.pdfDocument.fontFallback(id, handler);
+  }
+
+  cleanup(manuallyTriggered = false) {
+    return this.pdfDocument.cleanup(manuallyTriggered);
+  }
+
+  async ensure(obj, prop, args) {
+    (0, _util.unreachable)("Abstract method `ensure` called");
+  }
+
+  requestRange(begin, end) {
+    (0, _util.unreachable)("Abstract method `requestRange` called");
+  }
+
+  requestLoadedStream() {
+    (0, _util.unreachable)("Abstract method `requestLoadedStream` called");
+  }
+
+  sendProgressiveData(chunk) {
+    (0, _util.unreachable)("Abstract method `sendProgressiveData` called");
+  }
+
+  updatePassword(password) {
+    this._password = password;
+  }
+
+  terminate(reason) {
+    (0, _util.unreachable)("Abstract method `terminate` called");
+  }
+
+}
+
+class LocalPdfManager extends BasePdfManager {
+  constructor(docId, data, password, evaluatorOptions, docBaseUrl) {
+    super();
+    this._docId = docId;
+    this._password = password;
+    this._docBaseUrl = docBaseUrl;
+    this.evaluatorOptions = evaluatorOptions;
+    const stream = new _stream.Stream(data);
+    this.pdfDocument = new _document.PDFDocument(this, stream);
+    this._loadedStreamPromise = Promise.resolve(stream);
+  }
+
+  async ensure(obj, prop, args) {
+    const value = obj[prop];
+
+    if (typeof value === "function") {
+      return value.apply(obj, args);
+    }
+
+    return value;
+  }
+
+  requestRange(begin, end) {
+    return Promise.resolve();
+  }
+
+  requestLoadedStream() {}
+
+  onLoadedStream() {
+    return this._loadedStreamPromise;
+  }
+
+  terminate(reason) {}
+
+}
+
+exports.LocalPdfManager = LocalPdfManager;
+
+class NetworkPdfManager extends BasePdfManager {
+  constructor(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {
+    super();
+    this._docId = docId;
+    this._password = args.password;
+    this._docBaseUrl = docBaseUrl;
+    this.msgHandler = args.msgHandler;
+    this.evaluatorOptions = evaluatorOptions;
+    this.streamManager = new _chunked_stream.ChunkedStreamManager(pdfNetworkStream, {
+      msgHandler: args.msgHandler,
+      length: args.length,
+      disableAutoFetch: args.disableAutoFetch,
+      rangeChunkSize: args.rangeChunkSize
+    });
+    this.pdfDocument = new _document.PDFDocument(this, this.streamManager.getStream());
+  }
+
+  async ensure(obj, prop, args) {
+    try {
+      const value = obj[prop];
+
+      if (typeof value === "function") {
+        return value.apply(obj, args);
+      }
+
+      return value;
+    } catch (ex) {
+      if (!(ex instanceof _core_utils.MissingDataException)) {
+        throw ex;
+      }
+
+      await this.requestRange(ex.begin, ex.end);
+      return this.ensure(obj, prop, args);
+    }
+  }
+
+  requestRange(begin, end) {
+    return this.streamManager.requestRange(begin, end);
+  }
+
+  requestLoadedStream() {
+    this.streamManager.requestAllChunks();
+  }
+
+  sendProgressiveData(chunk) {
+    this.streamManager.onReceiveData({
+      chunk
+    });
+  }
+
+  onLoadedStream() {
+    return this.streamManager.onLoadedStream();
+  }
+
+  terminate(reason) {
+    this.streamManager.abort(reason);
+  }
+
+}
+
+exports.NetworkPdfManager = NetworkPdfManager;
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ChunkedStreamManager = exports.ChunkedStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+class ChunkedStream {
+  constructor(length, chunkSize, manager) {
+    this.bytes = new Uint8Array(length);
+    this.start = 0;
+    this.pos = 0;
+    this.end = length;
+    this.chunkSize = chunkSize;
+    this._loadedChunks = new Set();
+    this.numChunks = Math.ceil(length / chunkSize);
+    this.manager = manager;
+    this.progressiveDataLength = 0;
+    this.lastSuccessfulEnsureByteChunk = -1;
+  }
+
+  getMissingChunks() {
+    const chunks = [];
+
+    for (let chunk = 0, n = this.numChunks; chunk < n; ++chunk) {
+      if (!this._loadedChunks.has(chunk)) {
+        chunks.push(chunk);
+      }
+    }
+
+    return chunks;
+  }
+
+  getBaseStreams() {
+    return [this];
+  }
+
+  get numChunksLoaded() {
+    return this._loadedChunks.size;
+  }
+
+  allChunksLoaded() {
+    return this.numChunksLoaded === this.numChunks;
+  }
+
+  onReceiveData(begin, chunk) {
+    const chunkSize = this.chunkSize;
+
+    if (begin % chunkSize !== 0) {
+      throw new Error(`Bad begin offset: ${begin}`);
+    }
+
+    const end = begin + chunk.byteLength;
+
+    if (end % chunkSize !== 0 && end !== this.bytes.length) {
+      throw new Error(`Bad end offset: ${end}`);
+    }
+
+    this.bytes.set(new Uint8Array(chunk), begin);
+    const beginChunk = Math.floor(begin / chunkSize);
+    const endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      this._loadedChunks.add(curChunk);
+    }
+  }
+
+  onReceiveProgressiveData(data) {
+    let position = this.progressiveDataLength;
+    const beginChunk = Math.floor(position / this.chunkSize);
+    this.bytes.set(new Uint8Array(data), position);
+    position += data.byteLength;
+    this.progressiveDataLength = position;
+    const endChunk = position >= this.end ? this.numChunks : Math.floor(position / this.chunkSize);
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      this._loadedChunks.add(curChunk);
+    }
+  }
+
+  ensureByte(pos) {
+    if (pos < this.progressiveDataLength) {
+      return;
+    }
+
+    const chunk = Math.floor(pos / this.chunkSize);
+
+    if (chunk === this.lastSuccessfulEnsureByteChunk) {
+      return;
+    }
+
+    if (!this._loadedChunks.has(chunk)) {
+      throw new _core_utils.MissingDataException(pos, pos + 1);
+    }
+
+    this.lastSuccessfulEnsureByteChunk = chunk;
+  }
+
+  ensureRange(begin, end) {
+    if (begin >= end) {
+      return;
+    }
+
+    if (end <= this.progressiveDataLength) {
+      return;
+    }
+
+    const chunkSize = this.chunkSize;
+    const beginChunk = Math.floor(begin / chunkSize);
+    const endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+      if (!this._loadedChunks.has(chunk)) {
+        throw new _core_utils.MissingDataException(begin, end);
+      }
+    }
+  }
+
+  nextEmptyChunk(beginChunk) {
+    const numChunks = this.numChunks;
+
+    for (let i = 0; i < numChunks; ++i) {
+      const chunk = (beginChunk + i) % numChunks;
+
+      if (!this._loadedChunks.has(chunk)) {
+        return chunk;
+      }
+    }
+
+    return null;
+  }
+
+  hasChunk(chunk) {
+    return this._loadedChunks.has(chunk);
+  }
+
+  get length() {
+    return this.end - this.start;
+  }
+
+  get isEmpty() {
+    return this.length === 0;
+  }
+
+  getByte() {
+    const pos = this.pos;
+
+    if (pos >= this.end) {
+      return -1;
+    }
+
+    if (pos >= this.progressiveDataLength) {
+      this.ensureByte(pos);
+    }
+
+    return this.bytes[this.pos++];
+  }
+
+  getUint16() {
+    const b0 = this.getByte();
+    const b1 = this.getByte();
+
+    if (b0 === -1 || b1 === -1) {
+      return -1;
+    }
+
+    return (b0 << 8) + b1;
+  }
+
+  getInt32() {
+    const b0 = this.getByte();
+    const b1 = this.getByte();
+    const b2 = this.getByte();
+    const b3 = this.getByte();
+    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+  }
+
+  getBytes(length, forceClamped = false) {
+    const bytes = this.bytes;
+    const pos = this.pos;
+    const strEnd = this.end;
+
+    if (!length) {
+      if (strEnd > this.progressiveDataLength) {
+        this.ensureRange(pos, strEnd);
+      }
+
+      const subarray = bytes.subarray(pos, strEnd);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    }
+
+    let end = pos + length;
+
+    if (end > strEnd) {
+      end = strEnd;
+    }
+
+    if (end > this.progressiveDataLength) {
+      this.ensureRange(pos, end);
+    }
+
+    this.pos = end;
+    const subarray = bytes.subarray(pos, end);
+    return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+  }
+
+  peekByte() {
+    const peekedByte = this.getByte();
+
+    if (peekedByte !== -1) {
+      this.pos--;
+    }
+
+    return peekedByte;
+  }
+
+  peekBytes(length, forceClamped = false) {
+    const bytes = this.getBytes(length, forceClamped);
+    this.pos -= bytes.length;
+    return bytes;
+  }
+
+  getByteRange(begin, end) {
+    if (begin < 0) {
+      begin = 0;
+    }
+
+    if (end > this.end) {
+      end = this.end;
+    }
+
+    if (end > this.progressiveDataLength) {
+      this.ensureRange(begin, end);
+    }
+
+    return this.bytes.subarray(begin, end);
+  }
+
+  skip(n) {
+    if (!n) {
+      n = 1;
+    }
+
+    this.pos += n;
+  }
+
+  reset() {
+    this.pos = this.start;
+  }
+
+  moveStart() {
+    this.start = this.pos;
+  }
+
+  makeSubStream(start, length, dict) {
+    if (length) {
+      if (start + length > this.progressiveDataLength) {
+        this.ensureRange(start, start + length);
+      }
+    } else {
+      if (start >= this.progressiveDataLength) {
+        this.ensureByte(start);
+      }
+    }
+
+    function ChunkedStreamSubstream() {}
+
+    ChunkedStreamSubstream.prototype = Object.create(this);
+
+    ChunkedStreamSubstream.prototype.getMissingChunks = function () {
+      const chunkSize = this.chunkSize;
+      const beginChunk = Math.floor(this.start / chunkSize);
+      const endChunk = Math.floor((this.end - 1) / chunkSize) + 1;
+      const missingChunks = [];
+
+      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+        if (!this._loadedChunks.has(chunk)) {
+          missingChunks.push(chunk);
+        }
+      }
+
+      return missingChunks;
+    };
+
+    ChunkedStreamSubstream.prototype.allChunksLoaded = function () {
+      if (this.numChunksLoaded === this.numChunks) {
+        return true;
+      }
+
+      return this.getMissingChunks().length === 0;
+    };
+
+    const subStream = new ChunkedStreamSubstream();
+    subStream.pos = subStream.start = start;
+    subStream.end = start + length || this.end;
+    subStream.dict = dict;
+    return subStream;
+  }
+
+}
+
+exports.ChunkedStream = ChunkedStream;
+
+class ChunkedStreamManager {
+  constructor(pdfNetworkStream, args) {
+    this.length = args.length;
+    this.chunkSize = args.rangeChunkSize;
+    this.stream = new ChunkedStream(this.length, this.chunkSize, this);
+    this.pdfNetworkStream = pdfNetworkStream;
+    this.disableAutoFetch = args.disableAutoFetch;
+    this.msgHandler = args.msgHandler;
+    this.currRequestId = 0;
+    this._chunksNeededByRequest = new Map();
+    this._requestsByChunk = new Map();
+    this._promisesByRequest = new Map();
+    this.progressiveDataLength = 0;
+    this.aborted = false;
+    this._loadedStreamCapability = (0, _util.createPromiseCapability)();
+  }
+
+  onLoadedStream() {
+    return this._loadedStreamCapability.promise;
+  }
+
+  sendRequest(begin, end) {
+    const rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);
+
+    if (!rangeReader.isStreamingSupported) {
+      rangeReader.onProgress = this.onProgress.bind(this);
+    }
+
+    let chunks = [],
+        loaded = 0;
+    const promise = new Promise((resolve, reject) => {
+      const readChunk = chunk => {
+        try {
+          if (!chunk.done) {
+            const data = chunk.value;
+            chunks.push(data);
+            loaded += (0, _util.arrayByteLength)(data);
+
+            if (rangeReader.isStreamingSupported) {
+              this.onProgress({
+                loaded
+              });
+            }
+
+            rangeReader.read().then(readChunk, reject);
+            return;
+          }
+
+          const chunkData = (0, _util.arraysToBytes)(chunks);
+          chunks = null;
+          resolve(chunkData);
+        } catch (e) {
+          reject(e);
+        }
+      };
+
+      rangeReader.read().then(readChunk, reject);
+    });
+    promise.then(data => {
+      if (this.aborted) {
+        return;
+      }
+
+      this.onReceiveData({
+        chunk: data,
+        begin
+      });
+    });
+  }
+
+  requestAllChunks() {
+    const missingChunks = this.stream.getMissingChunks();
+
+    this._requestChunks(missingChunks);
+
+    return this._loadedStreamCapability.promise;
+  }
+
+  _requestChunks(chunks) {
+    const requestId = this.currRequestId++;
+    const chunksNeeded = new Set();
+
+    this._chunksNeededByRequest.set(requestId, chunksNeeded);
+
+    for (const chunk of chunks) {
+      if (!this.stream.hasChunk(chunk)) {
+        chunksNeeded.add(chunk);
+      }
+    }
+
+    if (chunksNeeded.size === 0) {
+      return Promise.resolve();
+    }
+
+    const capability = (0, _util.createPromiseCapability)();
+
+    this._promisesByRequest.set(requestId, capability);
+
+    const chunksToRequest = [];
+
+    for (const chunk of chunksNeeded) {
+      let requestIds = this._requestsByChunk.get(chunk);
+
+      if (!requestIds) {
+        requestIds = [];
+
+        this._requestsByChunk.set(chunk, requestIds);
+
+        chunksToRequest.push(chunk);
+      }
+
+      requestIds.push(requestId);
+    }
+
+    if (chunksToRequest.length > 0) {
+      const groupedChunksToRequest = this.groupChunks(chunksToRequest);
+
+      for (const groupedChunk of groupedChunksToRequest) {
+        const begin = groupedChunk.beginChunk * this.chunkSize;
+        const end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length);
+        this.sendRequest(begin, end);
+      }
+    }
+
+    return capability.promise.catch(reason => {
+      if (this.aborted) {
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  getStream() {
+    return this.stream;
+  }
+
+  requestRange(begin, end) {
+    end = Math.min(end, this.length);
+    const beginChunk = this.getBeginChunk(begin);
+    const endChunk = this.getEndChunk(end);
+    const chunks = [];
+
+    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+      chunks.push(chunk);
+    }
+
+    return this._requestChunks(chunks);
+  }
+
+  requestRanges(ranges = []) {
+    const chunksToRequest = [];
+
+    for (const range of ranges) {
+      const beginChunk = this.getBeginChunk(range.begin);
+      const endChunk = this.getEndChunk(range.end);
+
+      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+        if (!chunksToRequest.includes(chunk)) {
+          chunksToRequest.push(chunk);
+        }
+      }
+    }
+
+    chunksToRequest.sort(function (a, b) {
+      return a - b;
+    });
+    return this._requestChunks(chunksToRequest);
+  }
+
+  groupChunks(chunks) {
+    const groupedChunks = [];
+    let beginChunk = -1;
+    let prevChunk = -1;
+
+    for (let i = 0, ii = chunks.length; i < ii; ++i) {
+      const chunk = chunks[i];
+
+      if (beginChunk < 0) {
+        beginChunk = chunk;
+      }
+
+      if (prevChunk >= 0 && prevChunk + 1 !== chunk) {
+        groupedChunks.push({
+          beginChunk,
+          endChunk: prevChunk + 1
+        });
+        beginChunk = chunk;
+      }
+
+      if (i + 1 === chunks.length) {
+        groupedChunks.push({
+          beginChunk,
+          endChunk: chunk + 1
+        });
+      }
+
+      prevChunk = chunk;
+    }
+
+    return groupedChunks;
+  }
+
+  onProgress(args) {
+    this.msgHandler.send("DocProgress", {
+      loaded: this.stream.numChunksLoaded * this.chunkSize + args.loaded,
+      total: this.length
+    });
+  }
+
+  onReceiveData(args) {
+    const chunk = args.chunk;
+    const isProgressive = args.begin === undefined;
+    const begin = isProgressive ? this.progressiveDataLength : args.begin;
+    const end = begin + chunk.byteLength;
+    const beginChunk = Math.floor(begin / this.chunkSize);
+    const endChunk = end < this.length ? Math.floor(end / this.chunkSize) : Math.ceil(end / this.chunkSize);
+
+    if (isProgressive) {
+      this.stream.onReceiveProgressiveData(chunk);
+      this.progressiveDataLength = end;
+    } else {
+      this.stream.onReceiveData(begin, chunk);
+    }
+
+    if (this.stream.allChunksLoaded()) {
+      this._loadedStreamCapability.resolve(this.stream);
+    }
+
+    const loadedRequests = [];
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      const requestIds = this._requestsByChunk.get(curChunk);
+
+      if (!requestIds) {
+        continue;
+      }
+
+      this._requestsByChunk.delete(curChunk);
+
+      for (const requestId of requestIds) {
+        const chunksNeeded = this._chunksNeededByRequest.get(requestId);
+
+        if (chunksNeeded.has(curChunk)) {
+          chunksNeeded.delete(curChunk);
+        }
+
+        if (chunksNeeded.size > 0) {
+          continue;
+        }
+
+        loadedRequests.push(requestId);
+      }
+    }
+
+    if (!this.disableAutoFetch && this._requestsByChunk.size === 0) {
+      let nextEmptyChunk;
+
+      if (this.stream.numChunksLoaded === 1) {
+        const lastChunk = this.stream.numChunks - 1;
+
+        if (!this.stream.hasChunk(lastChunk)) {
+          nextEmptyChunk = lastChunk;
+        }
+      } else {
+        nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);
+      }
+
+      if (Number.isInteger(nextEmptyChunk)) {
+        this._requestChunks([nextEmptyChunk]);
+      }
+    }
+
+    for (const requestId of loadedRequests) {
+      const capability = this._promisesByRequest.get(requestId);
+
+      this._promisesByRequest.delete(requestId);
+
+      capability.resolve();
+    }
+
+    this.msgHandler.send("DocProgress", {
+      loaded: this.stream.numChunksLoaded * this.chunkSize,
+      total: this.length
+    });
+  }
+
+  onError(err) {
+    this._loadedStreamCapability.reject(err);
+  }
+
+  getBeginChunk(begin) {
+    return Math.floor(begin / this.chunkSize);
+  }
+
+  getEndChunk(end) {
+    return Math.floor((end - 1) / this.chunkSize) + 1;
+  }
+
+  abort(reason) {
+    this.aborted = true;
+
+    if (this.pdfNetworkStream) {
+      this.pdfNetworkStream.cancelAllRequests(reason);
+    }
+
+    for (const capability of this._promisesByRequest.values()) {
+      capability.reject(reason);
+    }
+  }
+
+}
+
+exports.ChunkedStreamManager = ChunkedStreamManager;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getInheritableProperty = getInheritableProperty;
+exports.toRomanNumerals = toRomanNumerals;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.isWhiteSpace = isWhiteSpace;
+exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+function getLookupTableFactory(initializer) {
+  let lookup;
+  return function () {
+    if (initializer) {
+      lookup = Object.create(null);
+      initializer(lookup);
+      initializer = null;
+    }
+
+    return lookup;
+  };
+}
+
+class MissingDataException extends _util.BaseException {
+  constructor(begin, end) {
+    super(`Missing data [${begin}, ${end})`);
+    this.begin = begin;
+    this.end = end;
+  }
+
+}
+
+exports.MissingDataException = MissingDataException;
+
+class XRefEntryException extends _util.BaseException {}
+
+exports.XRefEntryException = XRefEntryException;
+
+class XRefParseException extends _util.BaseException {}
+
+exports.XRefParseException = XRefParseException;
+
+function getInheritableProperty({
+  dict,
+  key,
+  getArray = false,
+  stopWhenFound = true
+}) {
+  const LOOP_LIMIT = 100;
+  let loopCount = 0;
+  let values;
+
+  while (dict) {
+    const value = getArray ? dict.getArray(key) : dict.get(key);
+
+    if (value !== undefined) {
+      if (stopWhenFound) {
+        return value;
+      }
+
+      if (!values) {
+        values = [];
+      }
+
+      values.push(value);
+    }
+
+    if (++loopCount > LOOP_LIMIT) {
+      (0, _util.warn)(`getInheritableProperty: maximum loop count exceeded for "${key}"`);
+      break;
+    }
+
+    dict = dict.get("Parent");
+  }
+
+  return values;
+}
+
+const ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
+
+function toRomanNumerals(number, lowerCase = false) {
+  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
+  const romanBuf = [];
+  let pos;
+
+  while (number >= 1000) {
+    number -= 1000;
+    romanBuf.push("M");
+  }
+
+  pos = number / 100 | 0;
+  number %= 100;
+  romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+  pos = number / 10 | 0;
+  number %= 10;
+  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+  const romanStr = romanBuf.join("");
+  return lowerCase ? romanStr.toLowerCase() : romanStr;
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, offset) {
+  return data[offset] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isWhiteSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
+}
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDocument = exports.Page = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _obj = __w_pdfjs_require__(10);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _annotation = __w_pdfjs_require__(25);
+
+var _crypto = __w_pdfjs_require__(22);
+
+var _parser = __w_pdfjs_require__(11);
+
+var _operator_list = __w_pdfjs_require__(26);
+
+var _evaluator = __w_pdfjs_require__(28);
+
+const DEFAULT_USER_UNIT = 1.0;
+const LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];
+
+function isAnnotationRenderable(annotation, intent) {
+  return intent === "display" && annotation.viewable || intent === "print" && annotation.printable;
+}
+
+class Page {
+  constructor({
+    pdfManager,
+    xref,
+    pageIndex,
+    pageDict,
+    ref,
+    globalIdFactory,
+    fontCache,
+    builtInCMapCache,
+    globalImageCache
+  }) {
+    this.pdfManager = pdfManager;
+    this.pageIndex = pageIndex;
+    this.pageDict = pageDict;
+    this.xref = xref;
+    this.ref = ref;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.evaluatorOptions = pdfManager.evaluatorOptions;
+    this.resourcesPromise = null;
+    const idCounters = {
+      obj: 0
+    };
+    this._localIdFactory = class extends globalIdFactory {
+      static createObjId() {
+        return `p${pageIndex}_${++idCounters.obj}`;
+      }
+
+    };
+  }
+
+  _getInheritableProperty(key, getArray = false) {
+    const value = (0, _core_utils.getInheritableProperty)({
+      dict: this.pageDict,
+      key,
+      getArray,
+      stopWhenFound: false
+    });
+
+    if (!Array.isArray(value)) {
+      return value;
+    }
+
+    if (value.length === 1 || !(0, _primitives.isDict)(value[0])) {
+      return value[0];
+    }
+
+    return _primitives.Dict.merge({
+      xref: this.xref,
+      dictArray: value
+    });
+  }
+
+  get content() {
+    return this.pageDict.get("Contents");
+  }
+
+  get resources() {
+    return (0, _util.shadow)(this, "resources", this._getInheritableProperty("Resources") || _primitives.Dict.empty);
+  }
+
+  _getBoundingBox(name) {
+    const box = this._getInheritableProperty(name, true);
+
+    if (Array.isArray(box) && box.length === 4) {
+      if (box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+        return box;
+      }
+
+      (0, _util.warn)(`Empty /${name} entry.`);
+    }
+
+    return null;
+  }
+
+  get mediaBox() {
+    return (0, _util.shadow)(this, "mediaBox", this._getBoundingBox("MediaBox") || LETTER_SIZE_MEDIABOX);
+  }
+
+  get cropBox() {
+    return (0, _util.shadow)(this, "cropBox", this._getBoundingBox("CropBox") || this.mediaBox);
+  }
+
+  get userUnit() {
+    let obj = this.pageDict.get("UserUnit");
+
+    if (!(0, _util.isNum)(obj) || obj <= 0) {
+      obj = DEFAULT_USER_UNIT;
+    }
+
+    return (0, _util.shadow)(this, "userUnit", obj);
+  }
+
+  get view() {
+    const {
+      cropBox,
+      mediaBox
+    } = this;
+    let view;
+
+    if (cropBox === mediaBox || (0, _util.isArrayEqual)(cropBox, mediaBox)) {
+      view = mediaBox;
+    } else {
+      const box = _util.Util.intersect(cropBox, mediaBox);
+
+      if (box && box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+        view = box;
+      } else {
+        (0, _util.warn)("Empty /CropBox and /MediaBox intersection.");
+      }
+    }
+
+    return (0, _util.shadow)(this, "view", view || mediaBox);
+  }
+
+  get rotate() {
+    let rotate = this._getInheritableProperty("Rotate") || 0;
+
+    if (rotate % 90 !== 0) {
+      rotate = 0;
+    } else if (rotate >= 360) {
+      rotate = rotate % 360;
+    } else if (rotate < 0) {
+      rotate = (rotate % 360 + 360) % 360;
+    }
+
+    return (0, _util.shadow)(this, "rotate", rotate);
+  }
+
+  getContentStream() {
+    const content = this.content;
+    let stream;
+
+    if (Array.isArray(content)) {
+      const xref = this.xref;
+      const streams = [];
+
+      for (const subStream of content) {
+        streams.push(xref.fetchIfRef(subStream));
+      }
+
+      stream = new _stream.StreamsSequenceStream(streams);
+    } else if ((0, _primitives.isStream)(content)) {
+      stream = content;
+    } else {
+      stream = new _stream.NullStream();
+    }
+
+    return stream;
+  }
+
+  save(handler, task, annotationStorage) {
+    const partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: this.xref,
+      handler,
+      pageIndex: this.pageIndex,
+      idFactory: this._localIdFactory,
+      fontCache: this.fontCache,
+      builtInCMapCache: this.builtInCMapCache,
+      globalImageCache: this.globalImageCache,
+      options: this.evaluatorOptions
+    });
+    return this._parsedAnnotations.then(function (annotations) {
+      const newRefsPromises = [];
+
+      for (const annotation of annotations) {
+        if (!isAnnotationRenderable(annotation, "print")) {
+          continue;
+        }
+
+        newRefsPromises.push(annotation.save(partialEvaluator, task, annotationStorage).catch(function (reason) {
+          (0, _util.warn)("save - ignoring annotation data during " + `"${task.name}" task: "${reason}".`);
+          return null;
+        }));
+      }
+
+      return Promise.all(newRefsPromises);
+    });
+  }
+
+  loadResources(keys) {
+    if (!this.resourcesPromise) {
+      this.resourcesPromise = this.pdfManager.ensure(this, "resources");
+    }
+
+    return this.resourcesPromise.then(() => {
+      const objectLoader = new _obj.ObjectLoader(this.resources, keys, this.xref);
+      return objectLoader.load();
+    });
+  }
+
+  getOperatorList({
+    handler,
+    sink,
+    task,
+    intent,
+    renderInteractiveForms,
+    annotationStorage
+  }) {
+    const contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+    const resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+    const partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: this.xref,
+      handler,
+      pageIndex: this.pageIndex,
+      idFactory: this._localIdFactory,
+      fontCache: this.fontCache,
+      builtInCMapCache: this.builtInCMapCache,
+      globalImageCache: this.globalImageCache,
+      options: this.evaluatorOptions
+    });
+    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+    const pageListPromise = dataPromises.then(([contentStream]) => {
+      const opList = new _operator_list.OperatorList(intent, sink);
+      handler.send("StartRenderPage", {
+        transparency: partialEvaluator.hasBlendModes(this.resources),
+        pageIndex: this.pageIndex,
+        intent
+      });
+      return partialEvaluator.getOperatorList({
+        stream: contentStream,
+        task,
+        resources: this.resources,
+        operatorList: opList
+      }).then(function () {
+        return opList;
+      });
+    });
+    return Promise.all([pageListPromise, this._parsedAnnotations]).then(function ([pageOpList, annotations]) {
+      if (annotations.length === 0) {
+        pageOpList.flush(true);
+        return {
+          length: pageOpList.totalLength
+        };
+      }
+
+      const opListPromises = [];
+
+      for (const annotation of annotations) {
+        if (isAnnotationRenderable(annotation, intent)) {
+          opListPromises.push(annotation.getOperatorList(partialEvaluator, task, renderInteractiveForms, annotationStorage).catch(function (reason) {
+            (0, _util.warn)("getOperatorList - ignoring annotation data during " + `"${task.name}" task: "${reason}".`);
+            return null;
+          }));
+        }
+      }
+
+      return Promise.all(opListPromises).then(function (opLists) {
+        pageOpList.addOp(_util.OPS.beginAnnotations, []);
+
+        for (const opList of opLists) {
+          pageOpList.addOpList(opList);
+        }
+
+        pageOpList.addOp(_util.OPS.endAnnotations, []);
+        pageOpList.flush(true);
+        return {
+          length: pageOpList.totalLength
+        };
+      });
+    });
+  }
+
+  extractTextContent({
+    handler,
+    task,
+    normalizeWhitespace,
+    sink,
+    combineTextItems
+  }) {
+    const contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+    const resourcesPromise = this.loadResources(["ExtGState", "XObject", "Font"]);
+    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+    return dataPromises.then(([contentStream]) => {
+      const partialEvaluator = new _evaluator.PartialEvaluator({
+        xref: this.xref,
+        handler,
+        pageIndex: this.pageIndex,
+        idFactory: this._localIdFactory,
+        fontCache: this.fontCache,
+        builtInCMapCache: this.builtInCMapCache,
+        globalImageCache: this.globalImageCache,
+        options: this.evaluatorOptions
+      });
+      return partialEvaluator.getTextContent({
+        stream: contentStream,
+        task,
+        resources: this.resources,
+        normalizeWhitespace,
+        combineTextItems,
+        sink
+      });
+    });
+  }
+
+  getAnnotationsData(intent) {
+    return this._parsedAnnotations.then(function (annotations) {
+      const annotationsData = [];
+
+      for (let i = 0, ii = annotations.length; i < ii; i++) {
+        if (!intent || isAnnotationRenderable(annotations[i], intent)) {
+          annotationsData.push(annotations[i].data);
+        }
+      }
+
+      return annotationsData;
+    });
+  }
+
+  get annotations() {
+    return (0, _util.shadow)(this, "annotations", this._getInheritableProperty("Annots") || []);
+  }
+
+  get _parsedAnnotations() {
+    const parsedAnnotations = this.pdfManager.ensure(this, "annotations").then(() => {
+      const annotationPromises = [];
+
+      for (const annotationRef of this.annotations) {
+        annotationPromises.push(_annotation.AnnotationFactory.create(this.xref, annotationRef, this.pdfManager, this._localIdFactory).catch(function (reason) {
+          (0, _util.warn)(`_parsedAnnotations: "${reason}".`);
+          return null;
+        }));
+      }
+
+      return Promise.all(annotationPromises).then(function (annotations) {
+        return annotations.filter(annotation => !!annotation);
+      });
+    });
+    return (0, _util.shadow)(this, "_parsedAnnotations", parsedAnnotations);
+  }
+
+}
+
+exports.Page = Page;
+const PDF_HEADER_SIGNATURE = new Uint8Array([0x25, 0x50, 0x44, 0x46, 0x2d]);
+const STARTXREF_SIGNATURE = new Uint8Array([0x73, 0x74, 0x61, 0x72, 0x74, 0x78, 0x72, 0x65, 0x66]);
+const ENDOBJ_SIGNATURE = new Uint8Array([0x65, 0x6e, 0x64, 0x6f, 0x62, 0x6a]);
+const FINGERPRINT_FIRST_BYTES = 1024;
+const EMPTY_FINGERPRINT = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
+const PDF_HEADER_VERSION_REGEXP = /^[1-9]\.[0-9]$/;
+
+function find(stream, signature, limit = 1024, backwards = false) {
+  const signatureLength = signature.length;
+  const scanBytes = stream.peekBytes(limit);
+  const scanLength = scanBytes.length - signatureLength;
+
+  if (scanLength <= 0) {
+    return false;
+  }
+
+  if (backwards) {
+    const signatureEnd = signatureLength - 1;
+    let pos = scanBytes.length - 1;
+
+    while (pos >= signatureEnd) {
+      let j = 0;
+
+      while (j < signatureLength && scanBytes[pos - j] === signature[signatureEnd - j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        stream.pos += pos - signatureEnd;
+        return true;
+      }
+
+      pos--;
+    }
+  } else {
+    let pos = 0;
+
+    while (pos <= scanLength) {
+      let j = 0;
+
+      while (j < signatureLength && scanBytes[pos + j] === signature[j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        stream.pos += pos;
+        return true;
+      }
+
+      pos++;
+    }
+  }
+
+  return false;
+}
+
+class PDFDocument {
+  constructor(pdfManager, arg) {
+    let stream;
+
+    if ((0, _primitives.isStream)(arg)) {
+      stream = arg;
+    } else if ((0, _util.isArrayBuffer)(arg)) {
+      stream = new _stream.Stream(arg);
+    } else {
+      throw new Error("PDFDocument: Unknown argument type");
+    }
+
+    if (stream.length <= 0) {
+      throw new _util.InvalidPDFException("The PDF file is empty, i.e. its size is zero bytes.");
+    }
+
+    this.pdfManager = pdfManager;
+    this.stream = stream;
+    this.xref = new _obj.XRef(stream, pdfManager);
+    this._pagePromises = [];
+    this._version = null;
+    const idCounters = {
+      font: 0
+    };
+    this._globalIdFactory = class {
+      static getDocId() {
+        return `g_${pdfManager.docId}`;
+      }
+
+      static createFontId() {
+        return `f${++idCounters.font}`;
+      }
+
+      static createObjId() {
+        (0, _util.unreachable)("Abstract method `createObjId` called.");
+      }
+
+    };
+  }
+
+  parse(recoveryMode) {
+    this.xref.parse(recoveryMode);
+    this.catalog = new _obj.Catalog(this.pdfManager, this.xref);
+
+    if (this.catalog.version) {
+      this._version = this.catalog.version;
+    }
+  }
+
+  get linearization() {
+    let linearization = null;
+
+    try {
+      linearization = _parser.Linearization.create(this.stream);
+    } catch (err) {
+      if (err instanceof _core_utils.MissingDataException) {
+        throw err;
+      }
+
+      (0, _util.info)(err);
+    }
+
+    return (0, _util.shadow)(this, "linearization", linearization);
+  }
+
+  get startXRef() {
+    const stream = this.stream;
+    let startXRef = 0;
+
+    if (this.linearization) {
+      stream.reset();
+
+      if (find(stream, ENDOBJ_SIGNATURE)) {
+        startXRef = stream.pos + 6 - stream.start;
+      }
+    } else {
+      const step = 1024;
+      const startXRefLength = STARTXREF_SIGNATURE.length;
+      let found = false,
+          pos = stream.end;
+
+      while (!found && pos > 0) {
+        pos -= step - startXRefLength;
+
+        if (pos < 0) {
+          pos = 0;
+        }
+
+        stream.pos = pos;
+        found = find(stream, STARTXREF_SIGNATURE, step, true);
+      }
+
+      if (found) {
+        stream.skip(9);
+        let ch;
+
+        do {
+          ch = stream.getByte();
+        } while ((0, _core_utils.isWhiteSpace)(ch));
+
+        let str = "";
+
+        while (ch >= 0x20 && ch <= 0x39) {
+          str += String.fromCharCode(ch);
+          ch = stream.getByte();
+        }
+
+        startXRef = parseInt(str, 10);
+
+        if (isNaN(startXRef)) {
+          startXRef = 0;
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "startXRef", startXRef);
+  }
+
+  checkHeader() {
+    const stream = this.stream;
+    stream.reset();
+
+    if (!find(stream, PDF_HEADER_SIGNATURE)) {
+      return;
+    }
+
+    stream.moveStart();
+    const MAX_PDF_VERSION_LENGTH = 12;
+    let version = "",
+        ch;
+
+    while ((ch = stream.getByte()) > 0x20) {
+      if (version.length >= MAX_PDF_VERSION_LENGTH) {
+        break;
+      }
+
+      version += String.fromCharCode(ch);
+    }
+
+    if (!this._version) {
+      this._version = version.substring(5);
+    }
+  }
+
+  parseStartXRef() {
+    this.xref.setStartXRef(this.startXRef);
+  }
+
+  get numPages() {
+    const linearization = this.linearization;
+    const num = linearization ? linearization.numPages : this.catalog.numPages;
+    return (0, _util.shadow)(this, "numPages", num);
+  }
+
+  _hasOnlyDocumentSignatures(fields, recursionDepth = 0) {
+    const RECURSION_LIMIT = 10;
+    return fields.every(field => {
+      field = this.xref.fetchIfRef(field);
+
+      if (field.has("Kids")) {
+        if (++recursionDepth > RECURSION_LIMIT) {
+          (0, _util.warn)("_hasOnlyDocumentSignatures: maximum recursion depth reached");
+          return false;
+        }
+
+        return this._hasOnlyDocumentSignatures(field.get("Kids"), recursionDepth);
+      }
+
+      const isSignature = (0, _primitives.isName)(field.get("FT"), "Sig");
+      const rectangle = field.get("Rect");
+      const isInvisible = Array.isArray(rectangle) && rectangle.every(value => value === 0);
+      return isSignature && isInvisible;
+    });
+  }
+
+  get formInfo() {
+    const formInfo = {
+      hasAcroForm: false,
+      hasXfa: false
+    };
+    const acroForm = this.catalog.acroForm;
+
+    if (!acroForm) {
+      return (0, _util.shadow)(this, "formInfo", formInfo);
+    }
+
+    try {
+      const xfa = acroForm.get("XFA");
+      const hasXfa = Array.isArray(xfa) && xfa.length > 0 || (0, _primitives.isStream)(xfa) && !xfa.isEmpty;
+      formInfo.hasXfa = hasXfa;
+      const fields = acroForm.get("Fields");
+      const hasFields = Array.isArray(fields) && fields.length > 0;
+      const sigFlags = acroForm.get("SigFlags");
+
+      const hasOnlyDocumentSignatures = !!(sigFlags & 0x1) && this._hasOnlyDocumentSignatures(fields);
+
+      formInfo.hasAcroForm = hasFields && !hasOnlyDocumentSignatures;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch form information.");
+    }
+
+    return (0, _util.shadow)(this, "formInfo", formInfo);
+  }
+
+  get documentInfo() {
+    const DocumentInfoValidators = {
+      Title: _util.isString,
+      Author: _util.isString,
+      Subject: _util.isString,
+      Keywords: _util.isString,
+      Creator: _util.isString,
+      Producer: _util.isString,
+      CreationDate: _util.isString,
+      ModDate: _util.isString,
+      Trapped: _primitives.isName
+    };
+    let version = this._version;
+
+    if (typeof version !== "string" || !PDF_HEADER_VERSION_REGEXP.test(version)) {
+      (0, _util.warn)(`Invalid PDF header version number: ${version}`);
+      version = null;
+    }
+
+    const docInfo = {
+      PDFFormatVersion: version,
+      IsLinearized: !!this.linearization,
+      IsAcroFormPresent: this.formInfo.hasAcroForm,
+      IsXFAPresent: this.formInfo.hasXfa,
+      IsCollectionPresent: !!this.catalog.collection
+    };
+    let infoDict;
+
+    try {
+      infoDict = this.xref.trailer.get("Info");
+    } catch (err) {
+      if (err instanceof _core_utils.MissingDataException) {
+        throw err;
+      }
+
+      (0, _util.info)("The document information dictionary is invalid.");
+    }
+
+    if ((0, _primitives.isDict)(infoDict)) {
+      for (const key of infoDict.getKeys()) {
+        const value = infoDict.get(key);
+
+        if (DocumentInfoValidators[key]) {
+          if (DocumentInfoValidators[key](value)) {
+            docInfo[key] = typeof value !== "string" ? value : (0, _util.stringToPDFString)(value);
+          } else {
+            (0, _util.info)(`Bad value in document info for "${key}".`);
+          }
+        } else if (typeof key === "string") {
+          let customValue;
+
+          if ((0, _util.isString)(value)) {
+            customValue = (0, _util.stringToPDFString)(value);
+          } else if ((0, _primitives.isName)(value) || (0, _util.isNum)(value) || (0, _util.isBool)(value)) {
+            customValue = value;
+          } else {
+            (0, _util.info)(`Unsupported value in document info for (custom) "${key}".`);
+            continue;
+          }
+
+          if (!docInfo.Custom) {
+            docInfo.Custom = Object.create(null);
+          }
+
+          docInfo.Custom[key] = customValue;
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "documentInfo", docInfo);
+  }
+
+  get fingerprint() {
+    let hash;
+    const idArray = this.xref.trailer.get("ID");
+
+    if (Array.isArray(idArray) && idArray[0] && (0, _util.isString)(idArray[0]) && idArray[0] !== EMPTY_FINGERPRINT) {
+      hash = (0, _util.stringToBytes)(idArray[0]);
+    } else {
+      hash = (0, _crypto.calculateMD5)(this.stream.getByteRange(0, FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES);
+    }
+
+    const fingerprintBuf = [];
+
+    for (let i = 0, ii = hash.length; i < ii; i++) {
+      const hex = hash[i].toString(16);
+      fingerprintBuf.push(hex.padStart(2, "0"));
+    }
+
+    return (0, _util.shadow)(this, "fingerprint", fingerprintBuf.join(""));
+  }
+
+  _getLinearizationPage(pageIndex) {
+    const {
+      catalog,
+      linearization
+    } = this;
+
+    const ref = _primitives.Ref.get(linearization.objectNumberFirst, 0);
+
+    return this.xref.fetchAsync(ref).then(obj => {
+      if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Type") && obj.has("Contents")) {
+        if (ref && !catalog.pageKidsCountCache.has(ref)) {
+          catalog.pageKidsCountCache.put(ref, 1);
+        }
+
+        return [obj, ref];
+      }
+
+      throw new _util.FormatError("The Linearization dictionary doesn't point " + "to a valid Page dictionary.");
+    }).catch(reason => {
+      (0, _util.info)(reason);
+      return catalog.getPageDict(pageIndex);
+    });
+  }
+
+  getPage(pageIndex) {
+    if (this._pagePromises[pageIndex] !== undefined) {
+      return this._pagePromises[pageIndex];
+    }
+
+    const {
+      catalog,
+      linearization
+    } = this;
+    const promise = linearization && linearization.pageFirst === pageIndex ? this._getLinearizationPage(pageIndex) : catalog.getPageDict(pageIndex);
+    return this._pagePromises[pageIndex] = promise.then(([pageDict, ref]) => {
+      return new Page({
+        pdfManager: this.pdfManager,
+        xref: this.xref,
+        pageIndex,
+        pageDict,
+        ref,
+        globalIdFactory: this._globalIdFactory,
+        fontCache: catalog.fontCache,
+        builtInCMapCache: catalog.builtInCMapCache,
+        globalImageCache: catalog.globalImageCache
+      });
+    });
+  }
+
+  checkFirstPage() {
+    return this.getPage(0).catch(async reason => {
+      if (reason instanceof _core_utils.XRefEntryException) {
+        this._pagePromises.length = 0;
+        await this.cleanup();
+        throw new _core_utils.XRefParseException();
+      }
+    });
+  }
+
+  fontFallback(id, handler) {
+    return this.catalog.fontFallback(id, handler);
+  }
+
+  async cleanup(manuallyTriggered = false) {
+    return this.catalog ? this.catalog.cleanup(manuallyTriggered) : (0, _primitives.clearPrimitiveCaches)();
+  }
+
+}
+
+exports.PDFDocument = PDFDocument;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FileSpec = exports.XRef = exports.ObjectLoader = exports.Catalog = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _parser = __w_pdfjs_require__(11);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _crypto = __w_pdfjs_require__(22);
+
+var _colorspace = __w_pdfjs_require__(23);
+
+var _image_utils = __w_pdfjs_require__(24);
+
+function fetchDestination(dest) {
+  return (0, _primitives.isDict)(dest) ? dest.get("D") : dest;
+}
+
+class Catalog {
+  constructor(pdfManager, xref) {
+    this.pdfManager = pdfManager;
+    this.xref = xref;
+    this._catDict = xref.getCatalogObj();
+
+    if (!(0, _primitives.isDict)(this._catDict)) {
+      throw new _util.FormatError("Catalog object is not a dictionary.");
+    }
+
+    this.fontCache = new _primitives.RefSetCache();
+    this.builtInCMapCache = new Map();
+    this.globalImageCache = new _image_utils.GlobalImageCache();
+    this.pageKidsCountCache = new _primitives.RefSetCache();
+  }
+
+  get version() {
+    const version = this._catDict.get("Version");
+
+    if (!(0, _primitives.isName)(version)) {
+      return (0, _util.shadow)(this, "version", null);
+    }
+
+    return (0, _util.shadow)(this, "version", version.name);
+  }
+
+  get collection() {
+    let collection = null;
+
+    try {
+      const obj = this._catDict.get("Collection");
+
+      if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+        collection = obj;
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch Collection entry; assuming no collection is present.");
+    }
+
+    return (0, _util.shadow)(this, "collection", collection);
+  }
+
+  get acroForm() {
+    let acroForm = null;
+
+    try {
+      const obj = this._catDict.get("AcroForm");
+
+      if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+        acroForm = obj;
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch AcroForm entry; assuming no forms are present.");
+    }
+
+    return (0, _util.shadow)(this, "acroForm", acroForm);
+  }
+
+  get metadata() {
+    const streamRef = this._catDict.getRaw("Metadata");
+
+    if (!(0, _primitives.isRef)(streamRef)) {
+      return (0, _util.shadow)(this, "metadata", null);
+    }
+
+    const suppressEncryption = !(this.xref.encrypt && this.xref.encrypt.encryptMetadata);
+    const stream = this.xref.fetch(streamRef, suppressEncryption);
+    let metadata;
+
+    if (stream && (0, _primitives.isDict)(stream.dict)) {
+      const type = stream.dict.get("Type");
+      const subtype = stream.dict.get("Subtype");
+
+      if ((0, _primitives.isName)(type, "Metadata") && (0, _primitives.isName)(subtype, "XML")) {
+        try {
+          metadata = (0, _util.stringToUTF8String)((0, _util.bytesToString)(stream.getBytes()));
+        } catch (e) {
+          if (e instanceof _core_utils.MissingDataException) {
+            throw e;
+          }
+
+          (0, _util.info)("Skipping invalid metadata.");
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "metadata", metadata);
+  }
+
+  get toplevelPagesDict() {
+    const pagesObj = this._catDict.get("Pages");
+
+    if (!(0, _primitives.isDict)(pagesObj)) {
+      throw new _util.FormatError("Invalid top-level pages dictionary.");
+    }
+
+    return (0, _util.shadow)(this, "toplevelPagesDict", pagesObj);
+  }
+
+  get documentOutline() {
+    let obj = null;
+
+    try {
+      obj = this._readDocumentOutline();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read document outline.");
+    }
+
+    return (0, _util.shadow)(this, "documentOutline", obj);
+  }
+
+  _readDocumentOutline() {
+    let obj = this._catDict.get("Outlines");
+
+    if (!(0, _primitives.isDict)(obj)) {
+      return null;
+    }
+
+    obj = obj.getRaw("First");
+
+    if (!(0, _primitives.isRef)(obj)) {
+      return null;
+    }
+
+    const root = {
+      items: []
+    };
+    const queue = [{
+      obj,
+      parent: root
+    }];
+    const processed = new _primitives.RefSet();
+    processed.put(obj);
+    const xref = this.xref,
+          blackColor = new Uint8ClampedArray(3);
+
+    while (queue.length > 0) {
+      const i = queue.shift();
+      const outlineDict = xref.fetchIfRef(i.obj);
+
+      if (outlineDict === null) {
+        continue;
+      }
+
+      if (!outlineDict.has("Title")) {
+        throw new _util.FormatError("Invalid outline item encountered.");
+      }
+
+      const data = {
+        url: null,
+        dest: null
+      };
+      Catalog.parseDestDictionary({
+        destDict: outlineDict,
+        resultObj: data,
+        docBaseUrl: this.pdfManager.docBaseUrl
+      });
+      const title = outlineDict.get("Title");
+      const flags = outlineDict.get("F") || 0;
+      const color = outlineDict.getArray("C");
+      const count = outlineDict.get("Count");
+      let rgbColor = blackColor;
+
+      if (Array.isArray(color) && color.length === 3 && (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)) {
+        rgbColor = _colorspace.ColorSpace.singletons.rgb.getRgb(color, 0);
+      }
+
+      const outlineItem = {
+        dest: data.dest,
+        url: data.url,
+        unsafeUrl: data.unsafeUrl,
+        newWindow: data.newWindow,
+        title: (0, _util.stringToPDFString)(title),
+        color: rgbColor,
+        count: Number.isInteger(count) ? count : undefined,
+        bold: !!(flags & 2),
+        italic: !!(flags & 1),
+        items: []
+      };
+      i.parent.items.push(outlineItem);
+      obj = outlineDict.getRaw("First");
+
+      if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+        queue.push({
+          obj,
+          parent: outlineItem
+        });
+        processed.put(obj);
+      }
+
+      obj = outlineDict.getRaw("Next");
+
+      if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+        queue.push({
+          obj,
+          parent: i.parent
+        });
+        processed.put(obj);
+      }
+    }
+
+    return root.items.length > 0 ? root.items : null;
+  }
+
+  get permissions() {
+    let permissions = null;
+
+    try {
+      permissions = this._readPermissions();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read permissions.");
+    }
+
+    return (0, _util.shadow)(this, "permissions", permissions);
+  }
+
+  _readPermissions() {
+    const encrypt = this.xref.trailer.get("Encrypt");
+
+    if (!(0, _primitives.isDict)(encrypt)) {
+      return null;
+    }
+
+    let flags = encrypt.get("P");
+
+    if (!(0, _util.isNum)(flags)) {
+      return null;
+    }
+
+    flags += 2 ** 32;
+    const permissions = [];
+
+    for (const key in _util.PermissionFlag) {
+      const value = _util.PermissionFlag[key];
+
+      if (flags & value) {
+        permissions.push(value);
+      }
+    }
+
+    return permissions;
+  }
+
+  get optionalContentConfig() {
+    let config = null;
+
+    try {
+      const properties = this._catDict.get("OCProperties");
+
+      if (!properties) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const defaultConfig = properties.get("D");
+
+      if (!defaultConfig) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const groupsData = properties.get("OCGs");
+
+      if (!Array.isArray(groupsData)) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const groups = [];
+      const groupRefs = [];
+
+      for (const groupRef of groupsData) {
+        if (!(0, _primitives.isRef)(groupRef)) {
+          continue;
+        }
+
+        groupRefs.push(groupRef);
+        const group = this.xref.fetchIfRef(groupRef);
+        groups.push({
+          id: groupRef.toString(),
+          name: (0, _util.isString)(group.get("Name")) ? (0, _util.stringToPDFString)(group.get("Name")) : null,
+          intent: (0, _util.isString)(group.get("Intent")) ? (0, _util.stringToPDFString)(group.get("Intent")) : null
+        });
+      }
+
+      config = this._readOptionalContentConfig(defaultConfig, groupRefs);
+      config.groups = groups;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`Unable to read optional content config: ${ex}`);
+    }
+
+    return (0, _util.shadow)(this, "optionalContentConfig", config);
+  }
+
+  _readOptionalContentConfig(config, contentGroupRefs) {
+    function parseOnOff(refs) {
+      const onParsed = [];
+
+      if (Array.isArray(refs)) {
+        for (const value of refs) {
+          if (!(0, _primitives.isRef)(value)) {
+            continue;
+          }
+
+          if (contentGroupRefs.includes(value)) {
+            onParsed.push(value.toString());
+          }
+        }
+      }
+
+      return onParsed;
+    }
+
+    function parseOrder(refs, nestedLevels = 0) {
+      if (!Array.isArray(refs)) {
+        return null;
+      }
+
+      const order = [];
+
+      for (const value of refs) {
+        if ((0, _primitives.isRef)(value) && contentGroupRefs.includes(value)) {
+          parsedOrderRefs.put(value);
+          order.push(value.toString());
+          continue;
+        }
+
+        const nestedOrder = parseNestedOrder(value, nestedLevels);
+
+        if (nestedOrder) {
+          order.push(nestedOrder);
+        }
+      }
+
+      if (nestedLevels > 0) {
+        return order;
+      }
+
+      const hiddenGroups = [];
+
+      for (const groupRef of contentGroupRefs) {
+        if (parsedOrderRefs.has(groupRef)) {
+          continue;
+        }
+
+        hiddenGroups.push(groupRef.toString());
+      }
+
+      if (hiddenGroups.length) {
+        order.push({
+          name: null,
+          order: hiddenGroups
+        });
+      }
+
+      return order;
+    }
+
+    function parseNestedOrder(ref, nestedLevels) {
+      if (++nestedLevels > MAX_NESTED_LEVELS) {
+        (0, _util.warn)("parseNestedOrder - reached MAX_NESTED_LEVELS.");
+        return null;
+      }
+
+      const value = xref.fetchIfRef(ref);
+
+      if (!Array.isArray(value)) {
+        return null;
+      }
+
+      const nestedName = xref.fetchIfRef(value[0]);
+
+      if (typeof nestedName !== "string") {
+        return null;
+      }
+
+      const nestedOrder = parseOrder(value.slice(1), nestedLevels);
+
+      if (!nestedOrder || !nestedOrder.length) {
+        return null;
+      }
+
+      return {
+        name: (0, _util.stringToPDFString)(nestedName),
+        order: nestedOrder
+      };
+    }
+
+    const xref = this.xref,
+          parsedOrderRefs = new _primitives.RefSet(),
+          MAX_NESTED_LEVELS = 10;
+    return {
+      name: (0, _util.isString)(config.get("Name")) ? (0, _util.stringToPDFString)(config.get("Name")) : null,
+      creator: (0, _util.isString)(config.get("Creator")) ? (0, _util.stringToPDFString)(config.get("Creator")) : null,
+      baseState: (0, _primitives.isName)(config.get("BaseState")) ? config.get("BaseState").name : null,
+      on: parseOnOff(config.get("ON")),
+      off: parseOnOff(config.get("OFF")),
+      order: parseOrder(config.get("Order")),
+      groups: null
+    };
+  }
+
+  get numPages() {
+    const obj = this.toplevelPagesDict.get("Count");
+
+    if (!Number.isInteger(obj)) {
+      throw new _util.FormatError("Page count in top-level pages dictionary is not an integer.");
+    }
+
+    return (0, _util.shadow)(this, "numPages", obj);
+  }
+
+  get destinations() {
+    const obj = this._readDests(),
+          dests = Object.create(null);
+
+    if (obj instanceof NameTree) {
+      const names = obj.getAll();
+
+      for (const name in names) {
+        dests[name] = fetchDestination(names[name]);
+      }
+    } else if (obj instanceof _primitives.Dict) {
+      obj.forEach(function (key, value) {
+        if (value) {
+          dests[key] = fetchDestination(value);
+        }
+      });
+    }
+
+    return (0, _util.shadow)(this, "destinations", dests);
+  }
+
+  getDestination(destinationId) {
+    const obj = this._readDests();
+
+    if (obj instanceof NameTree || obj instanceof _primitives.Dict) {
+      return fetchDestination(obj.get(destinationId) || null);
+    }
+
+    return null;
+  }
+
+  _readDests() {
+    const obj = this._catDict.get("Names");
+
+    if (obj && obj.has("Dests")) {
+      return new NameTree(obj.getRaw("Dests"), this.xref);
+    } else if (this._catDict.has("Dests")) {
+      return this._catDict.get("Dests");
+    }
+
+    return undefined;
+  }
+
+  get pageLabels() {
+    let obj = null;
+
+    try {
+      obj = this._readPageLabels();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read page labels.");
+    }
+
+    return (0, _util.shadow)(this, "pageLabels", obj);
+  }
+
+  _readPageLabels() {
+    const obj = this._catDict.getRaw("PageLabels");
+
+    if (!obj) {
+      return null;
+    }
+
+    const pageLabels = new Array(this.numPages);
+    let style = null,
+        prefix = "";
+    const numberTree = new NumberTree(obj, this.xref);
+    const nums = numberTree.getAll();
+    let currentLabel = "",
+        currentIndex = 1;
+
+    for (let i = 0, ii = this.numPages; i < ii; i++) {
+      if (i in nums) {
+        const labelDict = nums[i];
+
+        if (!(0, _primitives.isDict)(labelDict)) {
+          throw new _util.FormatError("PageLabel is not a dictionary.");
+        }
+
+        if (labelDict.has("Type") && !(0, _primitives.isName)(labelDict.get("Type"), "PageLabel")) {
+          throw new _util.FormatError("Invalid type in PageLabel dictionary.");
+        }
+
+        if (labelDict.has("S")) {
+          const s = labelDict.get("S");
+
+          if (!(0, _primitives.isName)(s)) {
+            throw new _util.FormatError("Invalid style in PageLabel dictionary.");
+          }
+
+          style = s.name;
+        } else {
+          style = null;
+        }
+
+        if (labelDict.has("P")) {
+          const p = labelDict.get("P");
+
+          if (!(0, _util.isString)(p)) {
+            throw new _util.FormatError("Invalid prefix in PageLabel dictionary.");
+          }
+
+          prefix = (0, _util.stringToPDFString)(p);
+        } else {
+          prefix = "";
+        }
+
+        if (labelDict.has("St")) {
+          const st = labelDict.get("St");
+
+          if (!(Number.isInteger(st) && st >= 1)) {
+            throw new _util.FormatError("Invalid start in PageLabel dictionary.");
+          }
+
+          currentIndex = st;
+        } else {
+          currentIndex = 1;
+        }
+      }
+
+      switch (style) {
+        case "D":
+          currentLabel = currentIndex;
+          break;
+
+        case "R":
+        case "r":
+          currentLabel = (0, _core_utils.toRomanNumerals)(currentIndex, style === "r");
+          break;
+
+        case "A":
+        case "a":
+          const LIMIT = 26;
+          const A_UPPER_CASE = 0x41,
+                A_LOWER_CASE = 0x61;
+          const baseCharCode = style === "a" ? A_LOWER_CASE : A_UPPER_CASE;
+          const letterIndex = currentIndex - 1;
+          const character = String.fromCharCode(baseCharCode + letterIndex % LIMIT);
+          const charBuf = [];
+
+          for (let j = 0, jj = letterIndex / LIMIT | 0; j <= jj; j++) {
+            charBuf.push(character);
+          }
+
+          currentLabel = charBuf.join("");
+          break;
+
+        default:
+          if (style) {
+            throw new _util.FormatError(`Invalid style "${style}" in PageLabel dictionary.`);
+          }
+
+          currentLabel = "";
+      }
+
+      pageLabels[i] = prefix + currentLabel;
+      currentIndex++;
+    }
+
+    return pageLabels;
+  }
+
+  get pageLayout() {
+    const obj = this._catDict.get("PageLayout");
+
+    let pageLayout = "";
+
+    if ((0, _primitives.isName)(obj)) {
+      switch (obj.name) {
+        case "SinglePage":
+        case "OneColumn":
+        case "TwoColumnLeft":
+        case "TwoColumnRight":
+        case "TwoPageLeft":
+        case "TwoPageRight":
+          pageLayout = obj.name;
+      }
+    }
+
+    return (0, _util.shadow)(this, "pageLayout", pageLayout);
+  }
+
+  get pageMode() {
+    const obj = this._catDict.get("PageMode");
+
+    let pageMode = "UseNone";
+
+    if ((0, _primitives.isName)(obj)) {
+      switch (obj.name) {
+        case "UseNone":
+        case "UseOutlines":
+        case "UseThumbs":
+        case "FullScreen":
+        case "UseOC":
+        case "UseAttachments":
+          pageMode = obj.name;
+      }
+    }
+
+    return (0, _util.shadow)(this, "pageMode", pageMode);
+  }
+
+  get viewerPreferences() {
+    const ViewerPreferencesValidators = {
+      HideToolbar: _util.isBool,
+      HideMenubar: _util.isBool,
+      HideWindowUI: _util.isBool,
+      FitWindow: _util.isBool,
+      CenterWindow: _util.isBool,
+      DisplayDocTitle: _util.isBool,
+      NonFullScreenPageMode: _primitives.isName,
+      Direction: _primitives.isName,
+      ViewArea: _primitives.isName,
+      ViewClip: _primitives.isName,
+      PrintArea: _primitives.isName,
+      PrintClip: _primitives.isName,
+      PrintScaling: _primitives.isName,
+      Duplex: _primitives.isName,
+      PickTrayByPDFSize: _util.isBool,
+      PrintPageRange: Array.isArray,
+      NumCopies: Number.isInteger
+    };
+
+    const obj = this._catDict.get("ViewerPreferences");
+
+    let prefs = null;
+
+    if ((0, _primitives.isDict)(obj)) {
+      for (const key in ViewerPreferencesValidators) {
+        if (!obj.has(key)) {
+          continue;
+        }
+
+        const value = obj.get(key);
+
+        if (!ViewerPreferencesValidators[key](value)) {
+          (0, _util.info)(`Bad value in ViewerPreferences for "${key}".`);
+          continue;
+        }
+
+        let prefValue;
+
+        switch (key) {
+          case "NonFullScreenPageMode":
+            switch (value.name) {
+              case "UseNone":
+              case "UseOutlines":
+              case "UseThumbs":
+              case "UseOC":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "UseNone";
+            }
+
+            break;
+
+          case "Direction":
+            switch (value.name) {
+              case "L2R":
+              case "R2L":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "L2R";
+            }
+
+            break;
+
+          case "ViewArea":
+          case "ViewClip":
+          case "PrintArea":
+          case "PrintClip":
+            switch (value.name) {
+              case "MediaBox":
+              case "CropBox":
+              case "BleedBox":
+              case "TrimBox":
+              case "ArtBox":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "CropBox";
+            }
+
+            break;
+
+          case "PrintScaling":
+            switch (value.name) {
+              case "None":
+              case "AppDefault":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "AppDefault";
+            }
+
+            break;
+
+          case "Duplex":
+            switch (value.name) {
+              case "Simplex":
+              case "DuplexFlipShortEdge":
+              case "DuplexFlipLongEdge":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "None";
+            }
+
+            break;
+
+          case "PrintPageRange":
+            const length = value.length;
+
+            if (length % 2 !== 0) {
+              break;
+            }
+
+            const isValid = value.every((page, i, arr) => {
+              return Number.isInteger(page) && page > 0 && (i === 0 || page >= arr[i - 1]) && page <= this.numPages;
+            });
+
+            if (isValid) {
+              prefValue = value;
+            }
+
+            break;
+
+          case "NumCopies":
+            if (value > 0) {
+              prefValue = value;
+            }
+
+            break;
+
+          default:
+            if (typeof value !== "boolean") {
+              throw new _util.FormatError(`viewerPreferences - expected a boolean value for: ${key}`);
+            }
+
+            prefValue = value;
+        }
+
+        if (prefValue !== undefined) {
+          if (!prefs) {
+            prefs = Object.create(null);
+          }
+
+          prefs[key] = prefValue;
+        } else {
+          (0, _util.info)(`Bad value in ViewerPreferences for "${key}".`);
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "viewerPreferences", prefs);
+  }
+
+  get openAction() {
+    const obj = this._catDict.get("OpenAction");
+
+    let openAction = null;
+
+    if ((0, _primitives.isDict)(obj)) {
+      const destDict = new _primitives.Dict(this.xref);
+      destDict.set("A", obj);
+      const resultObj = {
+        url: null,
+        dest: null,
+        action: null
+      };
+      Catalog.parseDestDictionary({
+        destDict,
+        resultObj
+      });
+
+      if (Array.isArray(resultObj.dest)) {
+        if (!openAction) {
+          openAction = Object.create(null);
+        }
+
+        openAction.dest = resultObj.dest;
+      } else if (resultObj.action) {
+        if (!openAction) {
+          openAction = Object.create(null);
+        }
+
+        openAction.action = resultObj.action;
+      }
+    } else if (Array.isArray(obj)) {
+      if (!openAction) {
+        openAction = Object.create(null);
+      }
+
+      openAction.dest = obj;
+    }
+
+    return (0, _util.shadow)(this, "openAction", openAction);
+  }
+
+  get attachments() {
+    const obj = this._catDict.get("Names");
+
+    let attachments = null;
+
+    if (obj && obj.has("EmbeddedFiles")) {
+      const nameTree = new NameTree(obj.getRaw("EmbeddedFiles"), this.xref);
+      const names = nameTree.getAll();
+
+      for (const name in names) {
+        const fs = new FileSpec(names[name], this.xref);
+
+        if (!attachments) {
+          attachments = Object.create(null);
+        }
+
+        attachments[(0, _util.stringToPDFString)(name)] = fs.serializable;
+      }
+    }
+
+    return (0, _util.shadow)(this, "attachments", attachments);
+  }
+
+  get javaScript() {
+    const obj = this._catDict.get("Names");
+
+    let javaScript = null;
+
+    function appendIfJavaScriptDict(jsDict) {
+      const type = jsDict.get("S");
+
+      if (!(0, _primitives.isName)(type, "JavaScript")) {
+        return;
+      }
+
+      let js = jsDict.get("JS");
+
+      if ((0, _primitives.isStream)(js)) {
+        js = (0, _util.bytesToString)(js.getBytes());
+      } else if (!(0, _util.isString)(js)) {
+        return;
+      }
+
+      if (!javaScript) {
+        javaScript = [];
+      }
+
+      javaScript.push((0, _util.stringToPDFString)(js));
+    }
+
+    if (obj && obj.has("JavaScript")) {
+      const nameTree = new NameTree(obj.getRaw("JavaScript"), this.xref);
+      const names = nameTree.getAll();
+
+      for (const name in names) {
+        const jsDict = names[name];
+
+        if ((0, _primitives.isDict)(jsDict)) {
+          appendIfJavaScriptDict(jsDict);
+        }
+      }
+    }
+
+    const openAction = this._catDict.get("OpenAction");
+
+    if ((0, _primitives.isDict)(openAction) && (0, _primitives.isName)(openAction.get("S"), "JavaScript")) {
+      appendIfJavaScriptDict(openAction);
+    }
+
+    return (0, _util.shadow)(this, "javaScript", javaScript);
+  }
+
+  fontFallback(id, handler) {
+    const promises = [];
+    this.fontCache.forEach(function (promise) {
+      promises.push(promise);
+    });
+    return Promise.all(promises).then(translatedFonts => {
+      for (const translatedFont of translatedFonts) {
+        if (translatedFont.loadedName === id) {
+          translatedFont.fallback(handler);
+          return;
+        }
+      }
+    });
+  }
+
+  cleanup(manuallyTriggered = false) {
+    (0, _primitives.clearPrimitiveCaches)();
+    this.globalImageCache.clear(manuallyTriggered);
+    this.pageKidsCountCache.clear();
+    const promises = [];
+    this.fontCache.forEach(function (promise) {
+      promises.push(promise);
+    });
+    return Promise.all(promises).then(translatedFonts => {
+      for (const {
+        dict
+      } of translatedFonts) {
+        delete dict.translated;
+      }
+
+      this.fontCache.clear();
+      this.builtInCMapCache.clear();
+    });
+  }
+
+  getPageDict(pageIndex) {
+    const capability = (0, _util.createPromiseCapability)();
+    const nodesToVisit = [this._catDict.getRaw("Pages")];
+    const visitedNodes = new _primitives.RefSet();
+    const xref = this.xref,
+          pageKidsCountCache = this.pageKidsCountCache;
+    let count,
+        currentPageIndex = 0;
+
+    function next() {
+      while (nodesToVisit.length) {
+        const currentNode = nodesToVisit.pop();
+
+        if ((0, _primitives.isRef)(currentNode)) {
+          count = pageKidsCountCache.get(currentNode);
+
+          if (count > 0 && currentPageIndex + count < pageIndex) {
+            currentPageIndex += count;
+            continue;
+          }
+
+          if (visitedNodes.has(currentNode)) {
+            capability.reject(new _util.FormatError("Pages tree contains circular reference."));
+            return;
+          }
+
+          visitedNodes.put(currentNode);
+          xref.fetchAsync(currentNode).then(function (obj) {
+            if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Kids")) {
+              if (pageIndex === currentPageIndex) {
+                if (currentNode && !pageKidsCountCache.has(currentNode)) {
+                  pageKidsCountCache.put(currentNode, 1);
+                }
+
+                capability.resolve([obj, currentNode]);
+              } else {
+                currentPageIndex++;
+                next();
+              }
+
+              return;
+            }
+
+            nodesToVisit.push(obj);
+            next();
+          }, capability.reject);
+          return;
+        }
+
+        if (!(0, _primitives.isDict)(currentNode)) {
+          capability.reject(new _util.FormatError("Page dictionary kid reference points to wrong type of object."));
+          return;
+        }
+
+        count = currentNode.get("Count");
+
+        if (Number.isInteger(count) && count >= 0) {
+          const objId = currentNode.objId;
+
+          if (objId && !pageKidsCountCache.has(objId)) {
+            pageKidsCountCache.put(objId, count);
+          }
+
+          if (currentPageIndex + count <= pageIndex) {
+            currentPageIndex += count;
+            continue;
+          }
+        }
+
+        const kids = currentNode.get("Kids");
+
+        if (!Array.isArray(kids)) {
+          if ((0, _primitives.isName)(currentNode.get("Type"), "Page") || !currentNode.has("Type") && currentNode.has("Contents")) {
+            if (currentPageIndex === pageIndex) {
+              capability.resolve([currentNode, null]);
+              return;
+            }
+
+            currentPageIndex++;
+            continue;
+          }
+
+          capability.reject(new _util.FormatError("Page dictionary kids object is not an array."));
+          return;
+        }
+
+        for (let last = kids.length - 1; last >= 0; last--) {
+          nodesToVisit.push(kids[last]);
+        }
+      }
+
+      capability.reject(new Error(`Page index ${pageIndex} not found.`));
+    }
+
+    next();
+    return capability.promise;
+  }
+
+  getPageIndex(pageRef) {
+    const xref = this.xref;
+
+    function pagesBeforeRef(kidRef) {
+      let total = 0,
+          parentRef;
+      return xref.fetchAsync(kidRef).then(function (node) {
+        if ((0, _primitives.isRefsEqual)(kidRef, pageRef) && !(0, _primitives.isDict)(node, "Page") && !((0, _primitives.isDict)(node) && !node.has("Type") && node.has("Contents"))) {
+          throw new _util.FormatError("The reference does not point to a /Page dictionary.");
+        }
+
+        if (!node) {
+          return null;
+        }
+
+        if (!(0, _primitives.isDict)(node)) {
+          throw new _util.FormatError("Node must be a dictionary.");
+        }
+
+        parentRef = node.getRaw("Parent");
+        return node.getAsync("Parent");
+      }).then(function (parent) {
+        if (!parent) {
+          return null;
+        }
+
+        if (!(0, _primitives.isDict)(parent)) {
+          throw new _util.FormatError("Parent must be a dictionary.");
+        }
+
+        return parent.getAsync("Kids");
+      }).then(function (kids) {
+        if (!kids) {
+          return null;
+        }
+
+        const kidPromises = [];
+        let found = false;
+
+        for (let i = 0, ii = kids.length; i < ii; i++) {
+          const kid = kids[i];
+
+          if (!(0, _primitives.isRef)(kid)) {
+            throw new _util.FormatError("Kid must be a reference.");
+          }
+
+          if ((0, _primitives.isRefsEqual)(kid, kidRef)) {
+            found = true;
+            break;
+          }
+
+          kidPromises.push(xref.fetchAsync(kid).then(function (obj) {
+            if (!(0, _primitives.isDict)(obj)) {
+              throw new _util.FormatError("Kid node must be a dictionary.");
+            }
+
+            if (obj.has("Count")) {
+              total += obj.get("Count");
+            } else {
+              total++;
+            }
+          }));
+        }
+
+        if (!found) {
+          throw new _util.FormatError("Kid reference not found in parent's kids.");
+        }
+
+        return Promise.all(kidPromises).then(function () {
+          return [total, parentRef];
+        });
+      });
+    }
+
+    let total = 0;
+
+    function next(ref) {
+      return pagesBeforeRef(ref).then(function (args) {
+        if (!args) {
+          return total;
+        }
+
+        const [count, parentRef] = args;
+        total += count;
+        return next(parentRef);
+      });
+    }
+
+    return next(pageRef);
+  }
+
+  static parseDestDictionary(params) {
+    function addDefaultProtocolToUrl(url) {
+      return url.startsWith("www.") ? `http://${url}` : url;
+    }
+
+    function tryConvertUrlEncoding(url) {
+      try {
+        return (0, _util.stringToUTF8String)(url);
+      } catch (e) {
+        return url;
+      }
+    }
+
+    const destDict = params.destDict;
+
+    if (!(0, _primitives.isDict)(destDict)) {
+      (0, _util.warn)("parseDestDictionary: `destDict` must be a dictionary.");
+      return;
+    }
+
+    const resultObj = params.resultObj;
+
+    if (typeof resultObj !== "object") {
+      (0, _util.warn)("parseDestDictionary: `resultObj` must be an object.");
+      return;
+    }
+
+    const docBaseUrl = params.docBaseUrl || null;
+    let action = destDict.get("A"),
+        url,
+        dest;
+
+    if (!(0, _primitives.isDict)(action) && destDict.has("Dest")) {
+      action = destDict.get("Dest");
+    }
+
+    if ((0, _primitives.isDict)(action)) {
+      const actionType = action.get("S");
+
+      if (!(0, _primitives.isName)(actionType)) {
+        (0, _util.warn)("parseDestDictionary: Invalid type in Action dictionary.");
+        return;
+      }
+
+      const actionName = actionType.name;
+
+      switch (actionName) {
+        case "URI":
+          url = action.get("URI");
+
+          if ((0, _primitives.isName)(url)) {
+            url = "/" + url.name;
+          } else if ((0, _util.isString)(url)) {
+            url = addDefaultProtocolToUrl(url);
+          }
+
+          break;
+
+        case "GoTo":
+          dest = action.get("D");
+          break;
+
+        case "Launch":
+        case "GoToR":
+          const urlDict = action.get("F");
+
+          if ((0, _primitives.isDict)(urlDict)) {
+            url = urlDict.get("F") || null;
+          } else if ((0, _util.isString)(urlDict)) {
+            url = urlDict;
+          }
+
+          let remoteDest = action.get("D");
+
+          if (remoteDest) {
+            if ((0, _primitives.isName)(remoteDest)) {
+              remoteDest = remoteDest.name;
+            }
+
+            if ((0, _util.isString)(url)) {
+              const baseUrl = url.split("#")[0];
+
+              if ((0, _util.isString)(remoteDest)) {
+                url = baseUrl + "#" + remoteDest;
+              } else if (Array.isArray(remoteDest)) {
+                url = baseUrl + "#" + JSON.stringify(remoteDest);
+              }
+            }
+          }
+
+          const newWindow = action.get("NewWindow");
+
+          if ((0, _util.isBool)(newWindow)) {
+            resultObj.newWindow = newWindow;
+          }
+
+          break;
+
+        case "Named":
+          const namedAction = action.get("N");
+
+          if ((0, _primitives.isName)(namedAction)) {
+            resultObj.action = namedAction.name;
+          }
+
+          break;
+
+        case "JavaScript":
+          const jsAction = action.get("JS");
+          let js;
+
+          if ((0, _primitives.isStream)(jsAction)) {
+            js = (0, _util.bytesToString)(jsAction.getBytes());
+          } else if ((0, _util.isString)(jsAction)) {
+            js = jsAction;
+          }
+
+          if (js) {
+            const URL_OPEN_METHODS = ["app.launchURL", "window.open"];
+            const regex = new RegExp("^\\s*(" + URL_OPEN_METHODS.join("|").split(".").join("\\.") + ")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))", "i");
+            const jsUrl = regex.exec((0, _util.stringToPDFString)(js));
+
+            if (jsUrl && jsUrl[2]) {
+              url = jsUrl[2];
+
+              if (jsUrl[3] === "true" && jsUrl[1] === "app.launchURL") {
+                resultObj.newWindow = true;
+              }
+
+              break;
+            }
+          }
+
+        default:
+          (0, _util.warn)(`parseDestDictionary: unsupported action type "${actionName}".`);
+          break;
+      }
+    } else if (destDict.has("Dest")) {
+      dest = destDict.get("Dest");
+    }
+
+    if ((0, _util.isString)(url)) {
+      url = tryConvertUrlEncoding(url);
+      const absoluteUrl = (0, _util.createValidAbsoluteUrl)(url, docBaseUrl);
+
+      if (absoluteUrl) {
+        resultObj.url = absoluteUrl.href;
+      }
+
+      resultObj.unsafeUrl = url;
+    }
+
+    if (dest) {
+      if ((0, _primitives.isName)(dest)) {
+        dest = dest.name;
+      }
+
+      if ((0, _util.isString)(dest) || Array.isArray(dest)) {
+        resultObj.dest = dest;
+      }
+    }
+  }
+
+}
+
+exports.Catalog = Catalog;
+
+var XRef = function XRefClosure() {
+  function XRef(stream, pdfManager) {
+    this.stream = stream;
+    this.pdfManager = pdfManager;
+    this.entries = [];
+    this.xrefstms = Object.create(null);
+    this._cacheMap = new Map();
+    this.stats = {
+      streamTypes: Object.create(null),
+      fontTypes: Object.create(null)
+    };
+    this._newRefNum = null;
+  }
+
+  XRef.prototype = {
+    getNewRef: function XRef_getNewRef() {
+      if (this._newRefNum === null) {
+        this._newRefNum = this.entries.length;
+      }
+
+      return _primitives.Ref.get(this._newRefNum++, 0);
+    },
+    resetNewRef: function XRef_resetNewRef() {
+      this._newRefNum = null;
+    },
+    setStartXRef: function XRef_setStartXRef(startXRef) {
+      this.startXRefQueue = [startXRef];
+    },
+    parse: function XRef_parse(recoveryMode) {
+      var trailerDict;
+
+      if (!recoveryMode) {
+        trailerDict = this.readXRef();
+      } else {
+        (0, _util.warn)("Indexing all PDF objects");
+        trailerDict = this.indexObjects();
+      }
+
+      trailerDict.assignXref(this);
+      this.trailer = trailerDict;
+      let encrypt;
+
+      try {
+        encrypt = trailerDict.get("Encrypt");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)(`XRef.parse - Invalid "Encrypt" reference: "${ex}".`);
+      }
+
+      if ((0, _primitives.isDict)(encrypt)) {
+        var ids = trailerDict.get("ID");
+        var fileId = ids && ids.length ? ids[0] : "";
+        encrypt.suppressEncryption = true;
+        this.encrypt = new _crypto.CipherTransformFactory(encrypt, fileId, this.pdfManager.password);
+      }
+
+      let root;
+
+      try {
+        root = trailerDict.get("Root");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)(`XRef.parse - Invalid "Root" reference: "${ex}".`);
+      }
+
+      if ((0, _primitives.isDict)(root) && root.has("Pages")) {
+        this.root = root;
+      } else {
+        if (!recoveryMode) {
+          throw new _core_utils.XRefParseException();
+        }
+
+        throw new _util.FormatError("Invalid root reference");
+      }
+    },
+    processXRefTable: function XRef_processXRefTable(parser) {
+      if (!("tableState" in this)) {
+        this.tableState = {
+          entryNum: 0,
+          streamPos: parser.lexer.stream.pos,
+          parserBuf1: parser.buf1,
+          parserBuf2: parser.buf2
+        };
+      }
+
+      var obj = this.readXRefTable(parser);
+
+      if (!(0, _primitives.isCmd)(obj, "trailer")) {
+        throw new _util.FormatError("Invalid XRef table: could not find trailer dictionary");
+      }
+
+      var dict = parser.getObj();
+
+      if (!(0, _primitives.isDict)(dict) && dict.dict) {
+        dict = dict.dict;
+      }
+
+      if (!(0, _primitives.isDict)(dict)) {
+        throw new _util.FormatError("Invalid XRef table: could not parse trailer dictionary");
+      }
+
+      delete this.tableState;
+      return dict;
+    },
+    readXRefTable: function XRef_readXRefTable(parser) {
+      var stream = parser.lexer.stream;
+      var tableState = this.tableState;
+      stream.pos = tableState.streamPos;
+      parser.buf1 = tableState.parserBuf1;
+      parser.buf2 = tableState.parserBuf2;
+      var obj;
+
+      while (true) {
+        if (!("firstEntryNum" in tableState) || !("entryCount" in tableState)) {
+          if ((0, _primitives.isCmd)(obj = parser.getObj(), "trailer")) {
+            break;
+          }
+
+          tableState.firstEntryNum = obj;
+          tableState.entryCount = parser.getObj();
+        }
+
+        var first = tableState.firstEntryNum;
+        var count = tableState.entryCount;
+
+        if (!Number.isInteger(first) || !Number.isInteger(count)) {
+          throw new _util.FormatError("Invalid XRef table: wrong types in subsection header");
+        }
+
+        for (var i = tableState.entryNum; i < count; i++) {
+          tableState.streamPos = stream.pos;
+          tableState.entryNum = i;
+          tableState.parserBuf1 = parser.buf1;
+          tableState.parserBuf2 = parser.buf2;
+          var entry = {};
+          entry.offset = parser.getObj();
+          entry.gen = parser.getObj();
+          var type = parser.getObj();
+
+          if (type instanceof _primitives.Cmd) {
+            switch (type.cmd) {
+              case "f":
+                entry.free = true;
+                break;
+
+              case "n":
+                entry.uncompressed = true;
+                break;
+            }
+          }
+
+          if (!Number.isInteger(entry.offset) || !Number.isInteger(entry.gen) || !(entry.free || entry.uncompressed)) {
+            throw new _util.FormatError(`Invalid entry in XRef subsection: ${first}, ${count}`);
+          }
+
+          if (i === 0 && entry.free && first === 1) {
+            first = 0;
+          }
+
+          if (!this.entries[i + first]) {
+            this.entries[i + first] = entry;
+          }
+        }
+
+        tableState.entryNum = 0;
+        tableState.streamPos = stream.pos;
+        tableState.parserBuf1 = parser.buf1;
+        tableState.parserBuf2 = parser.buf2;
+        delete tableState.firstEntryNum;
+        delete tableState.entryCount;
+      }
+
+      if (this.entries[0] && !this.entries[0].free) {
+        throw new _util.FormatError("Invalid XRef table: unexpected first object");
+      }
+
+      return obj;
+    },
+    processXRefStream: function XRef_processXRefStream(stream) {
+      if (!("streamState" in this)) {
+        var streamParameters = stream.dict;
+        var byteWidths = streamParameters.get("W");
+        var range = streamParameters.get("Index");
+
+        if (!range) {
+          range = [0, streamParameters.get("Size")];
+        }
+
+        this.streamState = {
+          entryRanges: range,
+          byteWidths,
+          entryNum: 0,
+          streamPos: stream.pos
+        };
+      }
+
+      this.readXRefStream(stream);
+      delete this.streamState;
+      return stream.dict;
+    },
+    readXRefStream: function XRef_readXRefStream(stream) {
+      var i, j;
+      var streamState = this.streamState;
+      stream.pos = streamState.streamPos;
+      var byteWidths = streamState.byteWidths;
+      var typeFieldWidth = byteWidths[0];
+      var offsetFieldWidth = byteWidths[1];
+      var generationFieldWidth = byteWidths[2];
+      var entryRanges = streamState.entryRanges;
+
+      while (entryRanges.length > 0) {
+        var first = entryRanges[0];
+        var n = entryRanges[1];
+
+        if (!Number.isInteger(first) || !Number.isInteger(n)) {
+          throw new _util.FormatError(`Invalid XRef range fields: ${first}, ${n}`);
+        }
+
+        if (!Number.isInteger(typeFieldWidth) || !Number.isInteger(offsetFieldWidth) || !Number.isInteger(generationFieldWidth)) {
+          throw new _util.FormatError(`Invalid XRef entry fields length: ${first}, ${n}`);
+        }
+
+        for (i = streamState.entryNum; i < n; ++i) {
+          streamState.entryNum = i;
+          streamState.streamPos = stream.pos;
+          var type = 0,
+              offset = 0,
+              generation = 0;
+
+          for (j = 0; j < typeFieldWidth; ++j) {
+            type = type << 8 | stream.getByte();
+          }
+
+          if (typeFieldWidth === 0) {
+            type = 1;
+          }
+
+          for (j = 0; j < offsetFieldWidth; ++j) {
+            offset = offset << 8 | stream.getByte();
+          }
+
+          for (j = 0; j < generationFieldWidth; ++j) {
+            generation = generation << 8 | stream.getByte();
+          }
+
+          var entry = {};
+          entry.offset = offset;
+          entry.gen = generation;
+
+          switch (type) {
+            case 0:
+              entry.free = true;
+              break;
+
+            case 1:
+              entry.uncompressed = true;
+              break;
+
+            case 2:
+              break;
+
+            default:
+              throw new _util.FormatError(`Invalid XRef entry type: ${type}`);
+          }
+
+          if (!this.entries[first + i]) {
+            this.entries[first + i] = entry;
+          }
+        }
+
+        streamState.entryNum = 0;
+        streamState.streamPos = stream.pos;
+        entryRanges.splice(0, 2);
+      }
+    },
+    indexObjects: function XRef_indexObjects() {
+      var TAB = 0x9,
+          LF = 0xa,
+          CR = 0xd,
+          SPACE = 0x20;
+      var PERCENT = 0x25,
+          LT = 0x3c;
+
+      function readToken(data, offset) {
+        var token = "",
+            ch = data[offset];
+
+        while (ch !== LF && ch !== CR && ch !== LT) {
+          if (++offset >= data.length) {
+            break;
+          }
+
+          token += String.fromCharCode(ch);
+          ch = data[offset];
+        }
+
+        return token;
+      }
+
+      function skipUntil(data, offset, what) {
+        var length = what.length,
+            dataLength = data.length;
+        var skipped = 0;
+
+        while (offset < dataLength) {
+          var i = 0;
+
+          while (i < length && data[offset + i] === what[i]) {
+            ++i;
+          }
+
+          if (i >= length) {
+            break;
+          }
+
+          offset++;
+          skipped++;
+        }
+
+        return skipped;
+      }
+
+      var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/;
+      const endobjRegExp = /\bendobj[\b\s]$/;
+      const nestedObjRegExp = /\s+(\d+\s+\d+\s+obj[\b\s<])$/;
+      const CHECK_CONTENT_LENGTH = 25;
+      var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);
+      var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, 101, 102]);
+      const objBytes = new Uint8Array([111, 98, 106]);
+      var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);
+      this.entries.length = 0;
+      var stream = this.stream;
+      stream.pos = 0;
+      var buffer = stream.getBytes();
+      var position = stream.start,
+          length = buffer.length;
+      var trailers = [],
+          xrefStms = [];
+
+      while (position < length) {
+        var ch = buffer[position];
+
+        if (ch === TAB || ch === LF || ch === CR || ch === SPACE) {
+          ++position;
+          continue;
+        }
+
+        if (ch === PERCENT) {
+          do {
+            ++position;
+
+            if (position >= length) {
+              break;
+            }
+
+            ch = buffer[position];
+          } while (ch !== LF && ch !== CR);
+
+          continue;
+        }
+
+        var token = readToken(buffer, position);
+        var m;
+
+        if (token.startsWith("xref") && (token.length === 4 || /\s/.test(token[4]))) {
+          position += skipUntil(buffer, position, trailerBytes);
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else if (m = objRegExp.exec(token)) {
+          const num = m[1] | 0,
+                gen = m[2] | 0;
+
+          if (!this.entries[num] || this.entries[num].gen === gen) {
+            this.entries[num] = {
+              offset: position - stream.start,
+              gen,
+              uncompressed: true
+            };
+          }
+
+          let contentLength,
+              startPos = position + token.length;
+
+          while (startPos < buffer.length) {
+            const endPos = startPos + skipUntil(buffer, startPos, objBytes) + 4;
+            contentLength = endPos - position;
+            const checkPos = Math.max(endPos - CHECK_CONTENT_LENGTH, startPos);
+            const tokenStr = (0, _util.bytesToString)(buffer.subarray(checkPos, endPos));
+
+            if (endobjRegExp.test(tokenStr)) {
+              break;
+            } else {
+              const objToken = nestedObjRegExp.exec(tokenStr);
+
+              if (objToken && objToken[1]) {
+                (0, _util.warn)('indexObjects: Found new "obj" inside of another "obj", ' + 'caused by missing "endobj" -- trying to recover.');
+                contentLength -= objToken[1].length;
+                break;
+              }
+            }
+
+            startPos = endPos;
+          }
+
+          const content = buffer.subarray(position, position + contentLength);
+          var xrefTagOffset = skipUntil(content, 0, xrefBytes);
+
+          if (xrefTagOffset < contentLength && content[xrefTagOffset + 5] < 64) {
+            xrefStms.push(position - stream.start);
+            this.xrefstms[position - stream.start] = 1;
+          }
+
+          position += contentLength;
+        } else if (token.startsWith("trailer") && (token.length === 7 || /\s/.test(token[7]))) {
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else {
+          position += token.length + 1;
+        }
+      }
+
+      var i, ii;
+
+      for (i = 0, ii = xrefStms.length; i < ii; ++i) {
+        this.startXRefQueue.push(xrefStms[i]);
+        this.readXRef(true);
+      }
+
+      let trailerDict;
+
+      for (i = 0, ii = trailers.length; i < ii; ++i) {
+        stream.pos = trailers[i];
+        const parser = new _parser.Parser({
+          lexer: new _parser.Lexer(stream),
+          xref: this,
+          allowStreams: true,
+          recoveryMode: true
+        });
+        var obj = parser.getObj();
+
+        if (!(0, _primitives.isCmd)(obj, "trailer")) {
+          continue;
+        }
+
+        const dict = parser.getObj();
+
+        if (!(0, _primitives.isDict)(dict)) {
+          continue;
+        }
+
+        let rootDict;
+
+        try {
+          rootDict = dict.get("Root");
+        } catch (ex) {
+          if (ex instanceof _core_utils.MissingDataException) {
+            throw ex;
+          }
+
+          continue;
+        }
+
+        if (!(0, _primitives.isDict)(rootDict) || !rootDict.has("Pages")) {
+          continue;
+        }
+
+        if (dict.has("ID")) {
+          return dict;
+        }
+
+        trailerDict = dict;
+      }
+
+      if (trailerDict) {
+        return trailerDict;
+      }
+
+      throw new _util.InvalidPDFException("Invalid PDF structure.");
+    },
+    readXRef: function XRef_readXRef(recoveryMode) {
+      var stream = this.stream;
+      const startXRefParsedCache = Object.create(null);
+
+      try {
+        while (this.startXRefQueue.length) {
+          var startXRef = this.startXRefQueue[0];
+
+          if (startXRefParsedCache[startXRef]) {
+            (0, _util.warn)("readXRef - skipping XRef table since it was already parsed.");
+            this.startXRefQueue.shift();
+            continue;
+          }
+
+          startXRefParsedCache[startXRef] = true;
+          stream.pos = startXRef + stream.start;
+          const parser = new _parser.Parser({
+            lexer: new _parser.Lexer(stream),
+            xref: this,
+            allowStreams: true
+          });
+          var obj = parser.getObj();
+          var dict;
+
+          if ((0, _primitives.isCmd)(obj, "xref")) {
+            dict = this.processXRefTable(parser);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            obj = dict.get("XRefStm");
+
+            if (Number.isInteger(obj)) {
+              var pos = obj;
+
+              if (!(pos in this.xrefstms)) {
+                this.xrefstms[pos] = 1;
+                this.startXRefQueue.push(pos);
+              }
+            }
+          } else if (Number.isInteger(obj)) {
+            if (!Number.isInteger(parser.getObj()) || !(0, _primitives.isCmd)(parser.getObj(), "obj") || !(0, _primitives.isStream)(obj = parser.getObj())) {
+              throw new _util.FormatError("Invalid XRef stream");
+            }
+
+            dict = this.processXRefStream(obj);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            if (!dict) {
+              throw new _util.FormatError("Failed to read XRef stream");
+            }
+          } else {
+            throw new _util.FormatError("Invalid XRef stream header");
+          }
+
+          obj = dict.get("Prev");
+
+          if (Number.isInteger(obj)) {
+            this.startXRefQueue.push(obj);
+          } else if ((0, _primitives.isRef)(obj)) {
+            this.startXRefQueue.push(obj.num);
+          }
+
+          this.startXRefQueue.shift();
+        }
+
+        return this.topDict;
+      } catch (e) {
+        if (e instanceof _core_utils.MissingDataException) {
+          throw e;
+        }
+
+        (0, _util.info)("(while reading XRef): " + e);
+      }
+
+      if (recoveryMode) {
+        return undefined;
+      }
+
+      throw new _core_utils.XRefParseException();
+    },
+    getEntry: function XRef_getEntry(i) {
+      var xrefEntry = this.entries[i];
+
+      if (xrefEntry && !xrefEntry.free && xrefEntry.offset) {
+        return xrefEntry;
+      }
+
+      return null;
+    },
+    fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) {
+      if (obj instanceof _primitives.Ref) {
+        return this.fetch(obj, suppressEncryption);
+      }
+
+      return obj;
+    },
+    fetch: function XRef_fetch(ref, suppressEncryption) {
+      if (!(ref instanceof _primitives.Ref)) {
+        throw new Error("ref object is not a reference");
+      }
+
+      const num = ref.num;
+
+      const cacheEntry = this._cacheMap.get(num);
+
+      if (cacheEntry !== undefined) {
+        if (cacheEntry instanceof _primitives.Dict && !cacheEntry.objId) {
+          cacheEntry.objId = ref.toString();
+        }
+
+        return cacheEntry;
+      }
+
+      let xrefEntry = this.getEntry(num);
+
+      if (xrefEntry === null) {
+        this._cacheMap.set(num, xrefEntry);
+
+        return xrefEntry;
+      }
+
+      if (xrefEntry.uncompressed) {
+        xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption);
+      } else {
+        xrefEntry = this.fetchCompressed(ref, xrefEntry, suppressEncryption);
+      }
+
+      if ((0, _primitives.isDict)(xrefEntry)) {
+        xrefEntry.objId = ref.toString();
+      } else if ((0, _primitives.isStream)(xrefEntry)) {
+        xrefEntry.dict.objId = ref.toString();
+      }
+
+      return xrefEntry;
+    },
+
+    fetchUncompressed(ref, xrefEntry, suppressEncryption = false) {
+      var gen = ref.gen;
+      var num = ref.num;
+
+      if (xrefEntry.gen !== gen) {
+        throw new _core_utils.XRefEntryException(`Inconsistent generation in XRef: ${ref}`);
+      }
+
+      var stream = this.stream.makeSubStream(xrefEntry.offset + this.stream.start);
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      var obj1 = parser.getObj();
+      var obj2 = parser.getObj();
+      var obj3 = parser.getObj();
+
+      if (obj1 !== num || obj2 !== gen || !(obj3 instanceof _primitives.Cmd)) {
+        throw new _core_utils.XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);
+      }
+
+      if (obj3.cmd !== "obj") {
+        if (obj3.cmd.startsWith("obj")) {
+          num = parseInt(obj3.cmd.substring(3), 10);
+
+          if (!Number.isNaN(num)) {
+            return num;
+          }
+        }
+
+        throw new _core_utils.XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);
+      }
+
+      if (this.encrypt && !suppressEncryption) {
+        xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen));
+      } else {
+        xrefEntry = parser.getObj();
+      }
+
+      if (!(0, _primitives.isStream)(xrefEntry)) {
+        this._cacheMap.set(num, xrefEntry);
+      }
+
+      return xrefEntry;
+    },
+
+    fetchCompressed(ref, xrefEntry, suppressEncryption = false) {
+      const tableOffset = xrefEntry.offset;
+      const stream = this.fetch(_primitives.Ref.get(tableOffset, 0));
+
+      if (!(0, _primitives.isStream)(stream)) {
+        throw new _util.FormatError("bad ObjStm stream");
+      }
+
+      const first = stream.dict.get("First");
+      const n = stream.dict.get("N");
+
+      if (!Number.isInteger(first) || !Number.isInteger(n)) {
+        throw new _util.FormatError("invalid first and n parameters for ObjStm stream");
+      }
+
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      const nums = new Array(n);
+
+      for (let i = 0; i < n; ++i) {
+        const num = parser.getObj();
+
+        if (!Number.isInteger(num)) {
+          throw new _util.FormatError(`invalid object number in the ObjStm stream: ${num}`);
+        }
+
+        const offset = parser.getObj();
+
+        if (!Number.isInteger(offset)) {
+          throw new _util.FormatError(`invalid object offset in the ObjStm stream: ${offset}`);
+        }
+
+        nums[i] = num;
+      }
+
+      const entries = new Array(n);
+
+      for (let i = 0; i < n; ++i) {
+        const obj = parser.getObj();
+        entries[i] = obj;
+
+        if (parser.buf1 instanceof _primitives.Cmd && parser.buf1.cmd === "endobj") {
+          parser.shift();
+        }
+
+        if ((0, _primitives.isStream)(obj)) {
+          continue;
+        }
+
+        const num = nums[i],
+              entry = this.entries[num];
+
+        if (entry && entry.offset === tableOffset && entry.gen === i) {
+          this._cacheMap.set(num, obj);
+        }
+      }
+
+      xrefEntry = entries[xrefEntry.gen];
+
+      if (xrefEntry === undefined) {
+        throw new _core_utils.XRefEntryException(`Bad (compressed) XRef entry: ${ref}`);
+      }
+
+      return xrefEntry;
+    },
+
+    async fetchIfRefAsync(obj, suppressEncryption) {
+      if (obj instanceof _primitives.Ref) {
+        return this.fetchAsync(obj, suppressEncryption);
+      }
+
+      return obj;
+    },
+
+    async fetchAsync(ref, suppressEncryption) {
+      try {
+        return this.fetch(ref, suppressEncryption);
+      } catch (ex) {
+        if (!(ex instanceof _core_utils.MissingDataException)) {
+          throw ex;
+        }
+
+        await this.pdfManager.requestRange(ex.begin, ex.end);
+        return this.fetchAsync(ref, suppressEncryption);
+      }
+    },
+
+    getCatalogObj: function XRef_getCatalogObj() {
+      return this.root;
+    }
+  };
+  return XRef;
+}();
+
+exports.XRef = XRef;
+
+class NameOrNumberTree {
+  constructor(root, xref, type) {
+    if (this.constructor === NameOrNumberTree) {
+      (0, _util.unreachable)("Cannot initialize NameOrNumberTree.");
+    }
+
+    this.root = root;
+    this.xref = xref;
+    this._type = type;
+  }
+
+  getAll() {
+    const dict = Object.create(null);
+
+    if (!this.root) {
+      return dict;
+    }
+
+    const xref = this.xref;
+    const processed = new _primitives.RefSet();
+    processed.put(this.root);
+    const queue = [this.root];
+
+    while (queue.length > 0) {
+      const obj = xref.fetchIfRef(queue.shift());
+
+      if (!(0, _primitives.isDict)(obj)) {
+        continue;
+      }
+
+      if (obj.has("Kids")) {
+        const kids = obj.get("Kids");
+
+        for (let i = 0, ii = kids.length; i < ii; i++) {
+          const kid = kids[i];
+
+          if (processed.has(kid)) {
+            throw new _util.FormatError(`Duplicate entry in "${this._type}" tree.`);
+          }
+
+          queue.push(kid);
+          processed.put(kid);
+        }
+
+        continue;
+      }
+
+      const entries = obj.get(this._type);
+
+      if (Array.isArray(entries)) {
+        for (let i = 0, ii = entries.length; i < ii; i += 2) {
+          dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]);
+        }
+      }
+    }
+
+    return dict;
+  }
+
+  get(key) {
+    if (!this.root) {
+      return null;
+    }
+
+    const xref = this.xref;
+    let kidsOrEntries = xref.fetchIfRef(this.root);
+    let loopCount = 0;
+    const MAX_LEVELS = 10;
+
+    while (kidsOrEntries.has("Kids")) {
+      if (++loopCount > MAX_LEVELS) {
+        (0, _util.warn)(`Search depth limit reached for "${this._type}" tree.`);
+        return null;
+      }
+
+      const kids = kidsOrEntries.get("Kids");
+
+      if (!Array.isArray(kids)) {
+        return null;
+      }
+
+      let l = 0,
+          r = kids.length - 1;
+
+      while (l <= r) {
+        const m = l + r >> 1;
+        const kid = xref.fetchIfRef(kids[m]);
+        const limits = kid.get("Limits");
+
+        if (key < xref.fetchIfRef(limits[0])) {
+          r = m - 1;
+        } else if (key > xref.fetchIfRef(limits[1])) {
+          l = m + 1;
+        } else {
+          kidsOrEntries = xref.fetchIfRef(kids[m]);
+          break;
+        }
+      }
+
+      if (l > r) {
+        return null;
+      }
+    }
+
+    const entries = kidsOrEntries.get(this._type);
+
+    if (Array.isArray(entries)) {
+      let l = 0,
+          r = entries.length - 2;
+
+      while (l <= r) {
+        const tmp = l + r >> 1,
+              m = tmp + (tmp & 1);
+        const currentKey = xref.fetchIfRef(entries[m]);
+
+        if (key < currentKey) {
+          r = m - 2;
+        } else if (key > currentKey) {
+          l = m + 2;
+        } else {
+          return xref.fetchIfRef(entries[m + 1]);
+        }
+      }
+
+      (0, _util.info)(`Falling back to an exhaustive search, for key "${key}", ` + `in "${this._type}" tree.`);
+
+      for (let m = 0, mm = entries.length; m < mm; m += 2) {
+        const currentKey = xref.fetchIfRef(entries[m]);
+
+        if (currentKey === key) {
+          (0, _util.warn)(`The "${key}" key was found at an incorrect, ` + `i.e. out-of-order, position in "${this._type}" tree.`);
+          return xref.fetchIfRef(entries[m + 1]);
+        }
+      }
+    }
+
+    return null;
+  }
+
+}
+
+class NameTree extends NameOrNumberTree {
+  constructor(root, xref) {
+    super(root, xref, "Names");
+  }
+
+}
+
+class NumberTree extends NameOrNumberTree {
+  constructor(root, xref) {
+    super(root, xref, "Nums");
+  }
+
+}
+
+var FileSpec = function FileSpecClosure() {
+  function FileSpec(root, xref) {
+    if (!root || !(0, _primitives.isDict)(root)) {
+      return;
+    }
+
+    this.xref = xref;
+    this.root = root;
+
+    if (root.has("FS")) {
+      this.fs = root.get("FS");
+    }
+
+    this.description = root.has("Desc") ? (0, _util.stringToPDFString)(root.get("Desc")) : "";
+
+    if (root.has("RF")) {
+      (0, _util.warn)("Related file specifications are not supported");
+    }
+
+    this.contentAvailable = true;
+
+    if (!root.has("EF")) {
+      this.contentAvailable = false;
+      (0, _util.warn)("Non-embedded file specifications are not supported");
+    }
+  }
+
+  function pickPlatformItem(dict) {
+    if (dict.has("UF")) {
+      return dict.get("UF");
+    } else if (dict.has("F")) {
+      return dict.get("F");
+    } else if (dict.has("Unix")) {
+      return dict.get("Unix");
+    } else if (dict.has("Mac")) {
+      return dict.get("Mac");
+    } else if (dict.has("DOS")) {
+      return dict.get("DOS");
+    }
+
+    return null;
+  }
+
+  FileSpec.prototype = {
+    get filename() {
+      if (!this._filename && this.root) {
+        var filename = pickPlatformItem(this.root) || "unnamed";
+        this._filename = (0, _util.stringToPDFString)(filename).replace(/\\\\/g, "\\").replace(/\\\//g, "/").replace(/\\/g, "/");
+      }
+
+      return this._filename;
+    },
+
+    get content() {
+      if (!this.contentAvailable) {
+        return null;
+      }
+
+      if (!this.contentRef && this.root) {
+        this.contentRef = pickPlatformItem(this.root.get("EF"));
+      }
+
+      var content = null;
+
+      if (this.contentRef) {
+        var xref = this.xref;
+        var fileObj = xref.fetchIfRef(this.contentRef);
+
+        if (fileObj && (0, _primitives.isStream)(fileObj)) {
+          content = fileObj.getBytes();
+        } else {
+          (0, _util.warn)("Embedded file specification points to non-existing/invalid " + "content");
+        }
+      } else {
+        (0, _util.warn)("Embedded file specification does not have a content");
+      }
+
+      return content;
+    },
+
+    get serializable() {
+      return {
+        filename: this.filename,
+        content: this.content
+      };
+    }
+
+  };
+  return FileSpec;
+}();
+
+exports.FileSpec = FileSpec;
+
+const ObjectLoader = function () {
+  function mayHaveChildren(value) {
+    return value instanceof _primitives.Ref || value instanceof _primitives.Dict || Array.isArray(value) || (0, _primitives.isStream)(value);
+  }
+
+  function addChildren(node, nodesToVisit) {
+    if (node instanceof _primitives.Dict) {
+      node = node.getRawValues();
+    } else if ((0, _primitives.isStream)(node)) {
+      node = node.dict.getRawValues();
+    } else if (!Array.isArray(node)) {
+      return;
+    }
+
+    for (const rawValue of node) {
+      if (mayHaveChildren(rawValue)) {
+        nodesToVisit.push(rawValue);
+      }
+    }
+  }
+
+  function ObjectLoader(dict, keys, xref) {
+    this.dict = dict;
+    this.keys = keys;
+    this.xref = xref;
+    this.refSet = null;
+  }
+
+  ObjectLoader.prototype = {
+    async load() {
+      if (!this.xref.stream.allChunksLoaded || this.xref.stream.allChunksLoaded()) {
+        return undefined;
+      }
+
+      const {
+        keys,
+        dict
+      } = this;
+      this.refSet = new _primitives.RefSet();
+      const nodesToVisit = [];
+
+      for (let i = 0, ii = keys.length; i < ii; i++) {
+        const rawValue = dict.getRaw(keys[i]);
+
+        if (rawValue !== undefined) {
+          nodesToVisit.push(rawValue);
+        }
+      }
+
+      return this._walk(nodesToVisit);
+    },
+
+    async _walk(nodesToVisit) {
+      const nodesToRevisit = [];
+      const pendingRequests = [];
+
+      while (nodesToVisit.length) {
+        let currentNode = nodesToVisit.pop();
+
+        if (currentNode instanceof _primitives.Ref) {
+          if (this.refSet.has(currentNode)) {
+            continue;
+          }
+
+          try {
+            this.refSet.put(currentNode);
+            currentNode = this.xref.fetch(currentNode);
+          } catch (ex) {
+            if (!(ex instanceof _core_utils.MissingDataException)) {
+              throw ex;
+            }
+
+            nodesToRevisit.push(currentNode);
+            pendingRequests.push({
+              begin: ex.begin,
+              end: ex.end
+            });
+          }
+        }
+
+        if (currentNode && currentNode.getBaseStreams) {
+          const baseStreams = currentNode.getBaseStreams();
+          let foundMissingData = false;
+
+          for (let i = 0, ii = baseStreams.length; i < ii; i++) {
+            const stream = baseStreams[i];
+
+            if (stream.allChunksLoaded && !stream.allChunksLoaded()) {
+              foundMissingData = true;
+              pendingRequests.push({
+                begin: stream.start,
+                end: stream.end
+              });
+            }
+          }
+
+          if (foundMissingData) {
+            nodesToRevisit.push(currentNode);
+          }
+        }
+
+        addChildren(currentNode, nodesToVisit);
+      }
+
+      if (pendingRequests.length) {
+        await this.xref.stream.manager.requestRanges(pendingRequests);
+
+        for (let i = 0, ii = nodesToRevisit.length; i < ii; i++) {
+          const node = nodesToRevisit[i];
+
+          if (node instanceof _primitives.Ref) {
+            this.refSet.remove(node);
+          }
+        }
+
+        return this._walk(nodesToRevisit);
+      }
+
+      this.refSet = null;
+      return undefined;
+    }
+
+  };
+  return ObjectLoader;
+}();
+
+exports.ObjectLoader = ObjectLoader;
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Parser = exports.Linearization = exports.Lexer = void 0;
+
+var _stream = __w_pdfjs_require__(12);
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _ccitt_stream = __w_pdfjs_require__(13);
+
+var _jbig2_stream = __w_pdfjs_require__(15);
+
+var _jpeg_stream = __w_pdfjs_require__(18);
+
+var _jpx_stream = __w_pdfjs_require__(20);
+
+const MAX_LENGTH_TO_CACHE = 1000;
+const MAX_ADLER32_LENGTH = 5552;
+
+function computeAdler32(bytes) {
+  const bytesLength = bytes.length;
+  let a = 1,
+      b = 0;
+
+  for (let i = 0; i < bytesLength; ++i) {
+    a += bytes[i] & 0xff;
+    b += a;
+  }
+
+  return b % 65521 << 16 | a % 65521;
+}
+
+class Parser {
+  constructor({
+    lexer,
+    xref,
+    allowStreams = false,
+    recoveryMode = false
+  }) {
+    this.lexer = lexer;
+    this.xref = xref;
+    this.allowStreams = allowStreams;
+    this.recoveryMode = recoveryMode;
+    this.imageCache = Object.create(null);
+    this.refill();
+  }
+
+  refill() {
+    this.buf1 = this.lexer.getObj();
+    this.buf2 = this.lexer.getObj();
+  }
+
+  shift() {
+    if (this.buf2 instanceof _primitives.Cmd && this.buf2.cmd === "ID") {
+      this.buf1 = this.buf2;
+      this.buf2 = null;
+    } else {
+      this.buf1 = this.buf2;
+      this.buf2 = this.lexer.getObj();
+    }
+  }
+
+  tryShift() {
+    try {
+      this.shift();
+      return true;
+    } catch (e) {
+      if (e instanceof _core_utils.MissingDataException) {
+        throw e;
+      }
+
+      return false;
+    }
+  }
+
+  getObj(cipherTransform = null) {
+    const buf1 = this.buf1;
+    this.shift();
+
+    if (buf1 instanceof _primitives.Cmd) {
+      switch (buf1.cmd) {
+        case "BI":
+          return this.makeInlineImage(cipherTransform);
+
+        case "[":
+          const array = [];
+
+          while (!(0, _primitives.isCmd)(this.buf1, "]") && !(0, _primitives.isEOF)(this.buf1)) {
+            array.push(this.getObj(cipherTransform));
+          }
+
+          if ((0, _primitives.isEOF)(this.buf1)) {
+            if (!this.recoveryMode) {
+              throw new _util.FormatError("End of file inside array");
+            }
+
+            return array;
+          }
+
+          this.shift();
+          return array;
+
+        case "<<":
+          const dict = new _primitives.Dict(this.xref);
+
+          while (!(0, _primitives.isCmd)(this.buf1, ">>") && !(0, _primitives.isEOF)(this.buf1)) {
+            if (!(0, _primitives.isName)(this.buf1)) {
+              (0, _util.info)("Malformed dictionary: key must be a name object");
+              this.shift();
+              continue;
+            }
+
+            const key = this.buf1.name;
+            this.shift();
+
+            if ((0, _primitives.isEOF)(this.buf1)) {
+              break;
+            }
+
+            dict.set(key, this.getObj(cipherTransform));
+          }
+
+          if ((0, _primitives.isEOF)(this.buf1)) {
+            if (!this.recoveryMode) {
+              throw new _util.FormatError("End of file inside dictionary");
+            }
+
+            return dict;
+          }
+
+          if ((0, _primitives.isCmd)(this.buf2, "stream")) {
+            return this.allowStreams ? this.makeStream(dict, cipherTransform) : dict;
+          }
+
+          this.shift();
+          return dict;
+
+        default:
+          return buf1;
+      }
+    }
+
+    if (Number.isInteger(buf1)) {
+      if (Number.isInteger(this.buf1) && (0, _primitives.isCmd)(this.buf2, "R")) {
+        const ref = _primitives.Ref.get(buf1, this.buf1);
+
+        this.shift();
+        this.shift();
+        return ref;
+      }
+
+      return buf1;
+    }
+
+    if (typeof buf1 === "string") {
+      if (cipherTransform) {
+        return cipherTransform.decryptString(buf1);
+      }
+
+      return buf1;
+    }
+
+    return buf1;
+  }
+
+  findDefaultInlineStreamEnd(stream) {
+    const E = 0x45,
+          I = 0x49,
+          SPACE = 0x20,
+          LF = 0xa,
+          CR = 0xd,
+          NUL = 0x0;
+    const lexer = this.lexer,
+          startPos = stream.pos,
+          n = 10;
+    let state = 0,
+        ch,
+        maybeEIPos;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (state === 0) {
+        state = ch === E ? 1 : 0;
+      } else if (state === 1) {
+        state = ch === I ? 2 : 0;
+      } else {
+        (0, _util.assert)(state === 2, "findDefaultInlineStreamEnd - invalid state.");
+
+        if (ch === SPACE || ch === LF || ch === CR) {
+          maybeEIPos = stream.pos;
+          const followingBytes = stream.peekBytes(n);
+
+          for (let i = 0, ii = followingBytes.length; i < ii; i++) {
+            ch = followingBytes[i];
+
+            if (ch === NUL && followingBytes[i + 1] !== NUL) {
+              continue;
+            }
+
+            if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7f)) {
+              state = 0;
+              break;
+            }
+          }
+
+          if (state !== 2) {
+            continue;
+          }
+
+          if (lexer.knownCommands) {
+            const nextObj = lexer.peekObj();
+
+            if (nextObj instanceof _primitives.Cmd && !lexer.knownCommands[nextObj.cmd]) {
+              state = 0;
+            }
+          } else {
+            (0, _util.warn)("findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.");
+          }
+
+          if (state === 2) {
+            break;
+          }
+        } else {
+          state = 0;
+        }
+      }
+    }
+
+    if (ch === -1) {
+      (0, _util.warn)("findDefaultInlineStreamEnd: " + "Reached the end of the stream without finding a valid EI marker");
+
+      if (maybeEIPos) {
+        (0, _util.warn)('... trying to recover by using the last "EI" occurrence.');
+        stream.skip(-(stream.pos - maybeEIPos));
+      }
+    }
+
+    let endOffset = 4;
+    stream.skip(-endOffset);
+    ch = stream.peekByte();
+    stream.skip(endOffset);
+
+    if (!(0, _core_utils.isWhiteSpace)(ch)) {
+      endOffset--;
+    }
+
+    return stream.pos - endOffset - startPos;
+  }
+
+  findDCTDecodeInlineStreamEnd(stream) {
+    const startPos = stream.pos;
+    let foundEOI = false,
+        b,
+        markerLength;
+
+    while ((b = stream.getByte()) !== -1) {
+      if (b !== 0xff) {
+        continue;
+      }
+
+      switch (stream.getByte()) {
+        case 0x00:
+          break;
+
+        case 0xff:
+          stream.skip(-1);
+          break;
+
+        case 0xd9:
+          foundEOI = true;
+          break;
+
+        case 0xc0:
+        case 0xc1:
+        case 0xc2:
+        case 0xc3:
+        case 0xc5:
+        case 0xc6:
+        case 0xc7:
+        case 0xc9:
+        case 0xca:
+        case 0xcb:
+        case 0xcd:
+        case 0xce:
+        case 0xcf:
+        case 0xc4:
+        case 0xcc:
+        case 0xda:
+        case 0xdb:
+        case 0xdc:
+        case 0xdd:
+        case 0xde:
+        case 0xdf:
+        case 0xe0:
+        case 0xe1:
+        case 0xe2:
+        case 0xe3:
+        case 0xe4:
+        case 0xe5:
+        case 0xe6:
+        case 0xe7:
+        case 0xe8:
+        case 0xe9:
+        case 0xea:
+        case 0xeb:
+        case 0xec:
+        case 0xed:
+        case 0xee:
+        case 0xef:
+        case 0xfe:
+          markerLength = stream.getUint16();
+
+          if (markerLength > 2) {
+            stream.skip(markerLength - 2);
+          } else {
+            stream.skip(-2);
+          }
+
+          break;
+      }
+
+      if (foundEOI) {
+        break;
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (b === -1) {
+      (0, _util.warn)("Inline DCTDecode image stream: " + "EOI marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  findASCII85DecodeInlineStreamEnd(stream) {
+    const TILDE = 0x7e,
+          GT = 0x3e;
+    const startPos = stream.pos;
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === TILDE) {
+        const tildePos = stream.pos;
+        ch = stream.peekByte();
+
+        while ((0, _core_utils.isWhiteSpace)(ch)) {
+          stream.skip();
+          ch = stream.peekByte();
+        }
+
+        if (ch === GT) {
+          stream.skip();
+          break;
+        }
+
+        if (stream.pos > tildePos) {
+          const maybeEI = stream.peekBytes(2);
+
+          if (maybeEI[0] === 0x45 && maybeEI[1] === 0x49) {
+            break;
+          }
+        }
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (ch === -1) {
+      (0, _util.warn)("Inline ASCII85Decode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  findASCIIHexDecodeInlineStreamEnd(stream) {
+    const GT = 0x3e;
+    const startPos = stream.pos;
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === GT) {
+        break;
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (ch === -1) {
+      (0, _util.warn)("Inline ASCIIHexDecode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  inlineStreamSkipEI(stream) {
+    const E = 0x45,
+          I = 0x49;
+    let state = 0,
+        ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (state === 0) {
+        state = ch === E ? 1 : 0;
+      } else if (state === 1) {
+        state = ch === I ? 2 : 0;
+      } else if (state === 2) {
+        break;
+      }
+    }
+  }
+
+  makeInlineImage(cipherTransform) {
+    const lexer = this.lexer;
+    const stream = lexer.stream;
+    const dict = new _primitives.Dict(this.xref);
+    let dictLength;
+
+    while (!(0, _primitives.isCmd)(this.buf1, "ID") && !(0, _primitives.isEOF)(this.buf1)) {
+      if (!(0, _primitives.isName)(this.buf1)) {
+        throw new _util.FormatError("Dictionary key must be a name object");
+      }
+
+      const key = this.buf1.name;
+      this.shift();
+
+      if ((0, _primitives.isEOF)(this.buf1)) {
+        break;
+      }
+
+      dict.set(key, this.getObj(cipherTransform));
+    }
+
+    if (lexer.beginInlineImagePos !== -1) {
+      dictLength = stream.pos - lexer.beginInlineImagePos;
+    }
+
+    const filter = dict.get("Filter", "F");
+    let filterName;
+
+    if ((0, _primitives.isName)(filter)) {
+      filterName = filter.name;
+    } else if (Array.isArray(filter)) {
+      const filterZero = this.xref.fetchIfRef(filter[0]);
+
+      if ((0, _primitives.isName)(filterZero)) {
+        filterName = filterZero.name;
+      }
+    }
+
+    const startPos = stream.pos;
+    let length;
+
+    if (filterName === "DCTDecode" || filterName === "DCT") {
+      length = this.findDCTDecodeInlineStreamEnd(stream);
+    } else if (filterName === "ASCII85Decode" || filterName === "A85") {
+      length = this.findASCII85DecodeInlineStreamEnd(stream);
+    } else if (filterName === "ASCIIHexDecode" || filterName === "AHx") {
+      length = this.findASCIIHexDecodeInlineStreamEnd(stream);
+    } else {
+      length = this.findDefaultInlineStreamEnd(stream);
+    }
+
+    let imageStream = stream.makeSubStream(startPos, length, dict);
+    let cacheKey;
+
+    if (length < MAX_LENGTH_TO_CACHE && dictLength < MAX_ADLER32_LENGTH) {
+      const imageBytes = imageStream.getBytes();
+      imageStream.reset();
+      const initialStreamPos = stream.pos;
+      stream.pos = lexer.beginInlineImagePos;
+      const dictBytes = stream.getBytes(dictLength);
+      stream.pos = initialStreamPos;
+      cacheKey = computeAdler32(imageBytes) + "_" + computeAdler32(dictBytes);
+      const cacheEntry = this.imageCache[cacheKey];
+
+      if (cacheEntry !== undefined) {
+        this.buf2 = _primitives.Cmd.get("EI");
+        this.shift();
+        cacheEntry.reset();
+        return cacheEntry;
+      }
+    }
+
+    if (cipherTransform) {
+      imageStream = cipherTransform.createStream(imageStream, length);
+    }
+
+    imageStream = this.filter(imageStream, dict, length);
+    imageStream.dict = dict;
+
+    if (cacheKey !== undefined) {
+      imageStream.cacheKey = `inline_${length}_${cacheKey}`;
+      this.imageCache[cacheKey] = imageStream;
+    }
+
+    this.buf2 = _primitives.Cmd.get("EI");
+    this.shift();
+    return imageStream;
+  }
+
+  _findStreamLength(startPos, signature) {
+    const {
+      stream
+    } = this.lexer;
+    stream.pos = startPos;
+    const SCAN_BLOCK_LENGTH = 2048;
+    const signatureLength = signature.length;
+
+    while (stream.pos < stream.end) {
+      const scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+      const scanLength = scanBytes.length - signatureLength;
+
+      if (scanLength <= 0) {
+        break;
+      }
+
+      let pos = 0;
+
+      while (pos < scanLength) {
+        let j = 0;
+
+        while (j < signatureLength && scanBytes[pos + j] === signature[j]) {
+          j++;
+        }
+
+        if (j >= signatureLength) {
+          stream.pos += pos;
+          return stream.pos - startPos;
+        }
+
+        pos++;
+      }
+
+      stream.pos += scanLength;
+    }
+
+    return -1;
+  }
+
+  makeStream(dict, cipherTransform) {
+    const lexer = this.lexer;
+    let stream = lexer.stream;
+    lexer.skipToNextLine();
+    const startPos = stream.pos - 1;
+    let length = dict.get("Length");
+
+    if (!Number.isInteger(length)) {
+      (0, _util.info)(`Bad length "${length}" in stream`);
+      length = 0;
+    }
+
+    stream.pos = startPos + length;
+    lexer.nextChar();
+
+    if (this.tryShift() && (0, _primitives.isCmd)(this.buf2, "endstream")) {
+      this.shift();
+    } else {
+      const ENDSTREAM_SIGNATURE = new Uint8Array([0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D]);
+
+      let actualLength = this._findStreamLength(startPos, ENDSTREAM_SIGNATURE);
+
+      if (actualLength < 0) {
+        const MAX_TRUNCATION = 1;
+
+        for (let i = 1; i <= MAX_TRUNCATION; i++) {
+          const end = ENDSTREAM_SIGNATURE.length - i;
+          const TRUNCATED_SIGNATURE = ENDSTREAM_SIGNATURE.slice(0, end);
+
+          const maybeLength = this._findStreamLength(startPos, TRUNCATED_SIGNATURE);
+
+          if (maybeLength >= 0) {
+            const lastByte = stream.peekBytes(end + 1)[end];
+
+            if (!(0, _core_utils.isWhiteSpace)(lastByte)) {
+              break;
+            }
+
+            (0, _util.info)(`Found "${(0, _util.bytesToString)(TRUNCATED_SIGNATURE)}" when ` + "searching for endstream command.");
+            actualLength = maybeLength;
+            break;
+          }
+        }
+
+        if (actualLength < 0) {
+          throw new _util.FormatError("Missing endstream command.");
+        }
+      }
+
+      length = actualLength;
+      lexer.nextChar();
+      this.shift();
+      this.shift();
+    }
+
+    this.shift();
+    stream = stream.makeSubStream(startPos, length, dict);
+
+    if (cipherTransform) {
+      stream = cipherTransform.createStream(stream, length);
+    }
+
+    stream = this.filter(stream, dict, length);
+    stream.dict = dict;
+    return stream;
+  }
+
+  filter(stream, dict, length) {
+    let filter = dict.get("Filter", "F");
+    let params = dict.get("DecodeParms", "DP");
+
+    if ((0, _primitives.isName)(filter)) {
+      if (Array.isArray(params)) {
+        (0, _util.warn)("/DecodeParms should not contain an Array, " + "when /Filter contains a Name.");
+      }
+
+      return this.makeFilter(stream, filter.name, length, params);
+    }
+
+    let maybeLength = length;
+
+    if (Array.isArray(filter)) {
+      const filterArray = filter;
+      const paramsArray = params;
+
+      for (let i = 0, ii = filterArray.length; i < ii; ++i) {
+        filter = this.xref.fetchIfRef(filterArray[i]);
+
+        if (!(0, _primitives.isName)(filter)) {
+          throw new _util.FormatError(`Bad filter name "${filter}"`);
+        }
+
+        params = null;
+
+        if (Array.isArray(paramsArray) && i in paramsArray) {
+          params = this.xref.fetchIfRef(paramsArray[i]);
+        }
+
+        stream = this.makeFilter(stream, filter.name, maybeLength, params);
+        maybeLength = null;
+      }
+    }
+
+    return stream;
+  }
+
+  makeFilter(stream, name, maybeLength, params) {
+    if (maybeLength === 0) {
+      (0, _util.warn)(`Empty "${name}" stream.`);
+      return new _stream.NullStream();
+    }
+
+    try {
+      const xrefStreamStats = this.xref.stats.streamTypes;
+
+      if (name === "FlateDecode" || name === "Fl") {
+        xrefStreamStats[_util.StreamType.FLATE] = true;
+
+        if (params) {
+          return new _stream.PredictorStream(new _stream.FlateStream(stream, maybeLength), maybeLength, params);
+        }
+
+        return new _stream.FlateStream(stream, maybeLength);
+      }
+
+      if (name === "LZWDecode" || name === "LZW") {
+        xrefStreamStats[_util.StreamType.LZW] = true;
+        let earlyChange = 1;
+
+        if (params) {
+          if (params.has("EarlyChange")) {
+            earlyChange = params.get("EarlyChange");
+          }
+
+          return new _stream.PredictorStream(new _stream.LZWStream(stream, maybeLength, earlyChange), maybeLength, params);
+        }
+
+        return new _stream.LZWStream(stream, maybeLength, earlyChange);
+      }
+
+      if (name === "DCTDecode" || name === "DCT") {
+        xrefStreamStats[_util.StreamType.DCT] = true;
+        return new _jpeg_stream.JpegStream(stream, maybeLength, stream.dict, params);
+      }
+
+      if (name === "JPXDecode" || name === "JPX") {
+        xrefStreamStats[_util.StreamType.JPX] = true;
+        return new _jpx_stream.JpxStream(stream, maybeLength, stream.dict, params);
+      }
+
+      if (name === "ASCII85Decode" || name === "A85") {
+        xrefStreamStats[_util.StreamType.A85] = true;
+        return new _stream.Ascii85Stream(stream, maybeLength);
+      }
+
+      if (name === "ASCIIHexDecode" || name === "AHx") {
+        xrefStreamStats[_util.StreamType.AHX] = true;
+        return new _stream.AsciiHexStream(stream, maybeLength);
+      }
+
+      if (name === "CCITTFaxDecode" || name === "CCF") {
+        xrefStreamStats[_util.StreamType.CCF] = true;
+        return new _ccitt_stream.CCITTFaxStream(stream, maybeLength, params);
+      }
+
+      if (name === "RunLengthDecode" || name === "RL") {
+        xrefStreamStats[_util.StreamType.RLX] = true;
+        return new _stream.RunLengthStream(stream, maybeLength);
+      }
+
+      if (name === "JBIG2Decode") {
+        xrefStreamStats[_util.StreamType.JBIG] = true;
+        return new _jbig2_stream.Jbig2Stream(stream, maybeLength, stream.dict, params);
+      }
+
+      (0, _util.warn)(`Filter "${name}" is not supported.`);
+      return stream;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`Invalid stream: "${ex}"`);
+      return new _stream.NullStream();
+    }
+  }
+
+}
+
+exports.Parser = Parser;
+const specialChars = [1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+
+function toHexDigit(ch) {
+  if (ch >= 0x30 && ch <= 0x39) {
+    return ch & 0x0f;
+  }
+
+  if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+    return (ch & 0x0f) + 9;
+  }
+
+  return -1;
+}
+
+class Lexer {
+  constructor(stream, knownCommands = null) {
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+    this.knownCommands = knownCommands;
+    this._hexStringNumWarn = 0;
+    this.beginInlineImagePos = -1;
+  }
+
+  nextChar() {
+    return this.currentChar = this.stream.getByte();
+  }
+
+  peekChar() {
+    return this.stream.peekByte();
+  }
+
+  getNumber() {
+    let ch = this.currentChar;
+    let eNotation = false;
+    let divideBy = 0;
+    let sign = 0;
+
+    if (ch === 0x2d) {
+      sign = -1;
+      ch = this.nextChar();
+
+      if (ch === 0x2d) {
+        ch = this.nextChar();
+      }
+    } else if (ch === 0x2b) {
+      sign = 1;
+      ch = this.nextChar();
+    }
+
+    if (ch === 0x0a || ch === 0x0d) {
+      do {
+        ch = this.nextChar();
+      } while (ch === 0x0a || ch === 0x0d);
+    }
+
+    if (ch === 0x2e) {
+      divideBy = 10;
+      ch = this.nextChar();
+    }
+
+    if (ch < 0x30 || ch > 0x39) {
+      if (divideBy === 10 && sign === 0 && ((0, _core_utils.isWhiteSpace)(ch) || ch === -1)) {
+        (0, _util.warn)("Lexer.getNumber - treating a single decimal point as zero.");
+        return 0;
+      }
+
+      throw new _util.FormatError(`Invalid number: ${String.fromCharCode(ch)} (charCode ${ch})`);
+    }
+
+    sign = sign || 1;
+    let baseValue = ch - 0x30;
+    let powerValue = 0;
+    let powerValueSign = 1;
+
+    while ((ch = this.nextChar()) >= 0) {
+      if (ch >= 0x30 && ch <= 0x39) {
+        const currentDigit = ch - 0x30;
+
+        if (eNotation) {
+          powerValue = powerValue * 10 + currentDigit;
+        } else {
+          if (divideBy !== 0) {
+            divideBy *= 10;
+          }
+
+          baseValue = baseValue * 10 + currentDigit;
+        }
+      } else if (ch === 0x2e) {
+        if (divideBy === 0) {
+          divideBy = 1;
+        } else {
+          break;
+        }
+      } else if (ch === 0x2d) {
+        (0, _util.warn)("Badly formatted number: minus sign in the middle");
+      } else if (ch === 0x45 || ch === 0x65) {
+        ch = this.peekChar();
+
+        if (ch === 0x2b || ch === 0x2d) {
+          powerValueSign = ch === 0x2d ? -1 : 1;
+          this.nextChar();
+        } else if (ch < 0x30 || ch > 0x39) {
+          break;
+        }
+
+        eNotation = true;
+      } else {
+        break;
+      }
+    }
+
+    if (divideBy !== 0) {
+      baseValue /= divideBy;
+    }
+
+    if (eNotation) {
+      baseValue *= 10 ** (powerValueSign * powerValue);
+    }
+
+    return sign * baseValue;
+  }
+
+  getString() {
+    let numParen = 1;
+    let done = false;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    let ch = this.nextChar();
+
+    while (true) {
+      let charBuffered = false;
+
+      switch (ch | 0) {
+        case -1:
+          (0, _util.warn)("Unterminated string");
+          done = true;
+          break;
+
+        case 0x28:
+          ++numParen;
+          strBuf.push("(");
+          break;
+
+        case 0x29:
+          if (--numParen === 0) {
+            this.nextChar();
+            done = true;
+          } else {
+            strBuf.push(")");
+          }
+
+          break;
+
+        case 0x5c:
+          ch = this.nextChar();
+
+          switch (ch) {
+            case -1:
+              (0, _util.warn)("Unterminated string");
+              done = true;
+              break;
+
+            case 0x6e:
+              strBuf.push("\n");
+              break;
+
+            case 0x72:
+              strBuf.push("\r");
+              break;
+
+            case 0x74:
+              strBuf.push("\t");
+              break;
+
+            case 0x62:
+              strBuf.push("\b");
+              break;
+
+            case 0x66:
+              strBuf.push("\f");
+              break;
+
+            case 0x5c:
+            case 0x28:
+            case 0x29:
+              strBuf.push(String.fromCharCode(ch));
+              break;
+
+            case 0x30:
+            case 0x31:
+            case 0x32:
+            case 0x33:
+            case 0x34:
+            case 0x35:
+            case 0x36:
+            case 0x37:
+              let x = ch & 0x0f;
+              ch = this.nextChar();
+              charBuffered = true;
+
+              if (ch >= 0x30 && ch <= 0x37) {
+                x = (x << 3) + (ch & 0x0f);
+                ch = this.nextChar();
+
+                if (ch >= 0x30 && ch <= 0x37) {
+                  charBuffered = false;
+                  x = (x << 3) + (ch & 0x0f);
+                }
+              }
+
+              strBuf.push(String.fromCharCode(x));
+              break;
+
+            case 0x0d:
+              if (this.peekChar() === 0x0a) {
+                this.nextChar();
+              }
+
+              break;
+
+            case 0x0a:
+              break;
+
+            default:
+              strBuf.push(String.fromCharCode(ch));
+              break;
+          }
+
+          break;
+
+        default:
+          strBuf.push(String.fromCharCode(ch));
+          break;
+      }
+
+      if (done) {
+        break;
+      }
+
+      if (!charBuffered) {
+        ch = this.nextChar();
+      }
+    }
+
+    return strBuf.join("");
+  }
+
+  getName() {
+    let ch, previousCh;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+
+    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+      if (ch === 0x23) {
+        ch = this.nextChar();
+
+        if (specialChars[ch]) {
+          (0, _util.warn)("Lexer_getName: " + "NUMBER SIGN (#) should be followed by a hexadecimal number.");
+          strBuf.push("#");
+          break;
+        }
+
+        const x = toHexDigit(ch);
+
+        if (x !== -1) {
+          previousCh = ch;
+          ch = this.nextChar();
+          const x2 = toHexDigit(ch);
+
+          if (x2 === -1) {
+            (0, _util.warn)(`Lexer_getName: Illegal digit (${String.fromCharCode(ch)}) ` + "in hexadecimal number.");
+            strBuf.push("#", String.fromCharCode(previousCh));
+
+            if (specialChars[ch]) {
+              break;
+            }
+
+            strBuf.push(String.fromCharCode(ch));
+            continue;
+          }
+
+          strBuf.push(String.fromCharCode(x << 4 | x2));
+        } else {
+          strBuf.push("#", String.fromCharCode(ch));
+        }
+      } else {
+        strBuf.push(String.fromCharCode(ch));
+      }
+    }
+
+    if (strBuf.length > 127) {
+      (0, _util.warn)(`Name token is longer than allowed by the spec: ${strBuf.length}`);
+    }
+
+    return _primitives.Name.get(strBuf.join(""));
+  }
+
+  _hexStringWarn(ch) {
+    const MAX_HEX_STRING_NUM_WARN = 5;
+
+    if (this._hexStringNumWarn++ === MAX_HEX_STRING_NUM_WARN) {
+      (0, _util.warn)("getHexString - ignoring additional invalid characters.");
+      return;
+    }
+
+    if (this._hexStringNumWarn > MAX_HEX_STRING_NUM_WARN) {
+      return;
+    }
+
+    (0, _util.warn)(`getHexString - ignoring invalid character: ${ch}`);
+  }
+
+  getHexString() {
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    let ch = this.currentChar;
+    let isFirstHex = true;
+    let firstDigit, secondDigit;
+    this._hexStringNumWarn = 0;
+
+    while (true) {
+      if (ch < 0) {
+        (0, _util.warn)("Unterminated hex string");
+        break;
+      } else if (ch === 0x3e) {
+        this.nextChar();
+        break;
+      } else if (specialChars[ch] === 1) {
+        ch = this.nextChar();
+        continue;
+      } else {
+        if (isFirstHex) {
+          firstDigit = toHexDigit(ch);
+
+          if (firstDigit === -1) {
+            this._hexStringWarn(ch);
+
+            ch = this.nextChar();
+            continue;
+          }
+        } else {
+          secondDigit = toHexDigit(ch);
+
+          if (secondDigit === -1) {
+            this._hexStringWarn(ch);
+
+            ch = this.nextChar();
+            continue;
+          }
+
+          strBuf.push(String.fromCharCode(firstDigit << 4 | secondDigit));
+        }
+
+        isFirstHex = !isFirstHex;
+        ch = this.nextChar();
+      }
+    }
+
+    return strBuf.join("");
+  }
+
+  getObj() {
+    let comment = false;
+    let ch = this.currentChar;
+
+    while (true) {
+      if (ch < 0) {
+        return _primitives.EOF;
+      }
+
+      if (comment) {
+        if (ch === 0x0a || ch === 0x0d) {
+          comment = false;
+        }
+      } else if (ch === 0x25) {
+        comment = true;
+      } else if (specialChars[ch] !== 1) {
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+
+    switch (ch | 0) {
+      case 0x30:
+      case 0x31:
+      case 0x32:
+      case 0x33:
+      case 0x34:
+      case 0x35:
+      case 0x36:
+      case 0x37:
+      case 0x38:
+      case 0x39:
+      case 0x2b:
+      case 0x2d:
+      case 0x2e:
+        return this.getNumber();
+
+      case 0x28:
+        return this.getString();
+
+      case 0x2f:
+        return this.getName();
+
+      case 0x5b:
+        this.nextChar();
+        return _primitives.Cmd.get("[");
+
+      case 0x5d:
+        this.nextChar();
+        return _primitives.Cmd.get("]");
+
+      case 0x3c:
+        ch = this.nextChar();
+
+        if (ch === 0x3c) {
+          this.nextChar();
+          return _primitives.Cmd.get("<<");
+        }
+
+        return this.getHexString();
+
+      case 0x3e:
+        ch = this.nextChar();
+
+        if (ch === 0x3e) {
+          this.nextChar();
+          return _primitives.Cmd.get(">>");
+        }
+
+        return _primitives.Cmd.get(">");
+
+      case 0x7b:
+        this.nextChar();
+        return _primitives.Cmd.get("{");
+
+      case 0x7d:
+        this.nextChar();
+        return _primitives.Cmd.get("}");
+
+      case 0x29:
+        this.nextChar();
+        throw new _util.FormatError(`Illegal character: ${ch}`);
+    }
+
+    let str = String.fromCharCode(ch);
+    const knownCommands = this.knownCommands;
+    let knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+
+    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+      const possibleCommand = str + String.fromCharCode(ch);
+
+      if (knownCommandFound && knownCommands[possibleCommand] === undefined) {
+        break;
+      }
+
+      if (str.length === 128) {
+        throw new _util.FormatError(`Command token too long: ${str.length}`);
+      }
+
+      str = possibleCommand;
+      knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+    }
+
+    if (str === "true") {
+      return true;
+    }
+
+    if (str === "false") {
+      return false;
+    }
+
+    if (str === "null") {
+      return null;
+    }
+
+    if (str === "BI") {
+      this.beginInlineImagePos = this.stream.pos;
+    }
+
+    return _primitives.Cmd.get(str);
+  }
+
+  peekObj() {
+    const streamPos = this.stream.pos,
+          currentChar = this.currentChar,
+          beginInlineImagePos = this.beginInlineImagePos;
+    let nextObj;
+
+    try {
+      nextObj = this.getObj();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`peekObj: ${ex}`);
+    }
+
+    this.stream.pos = streamPos;
+    this.currentChar = currentChar;
+    this.beginInlineImagePos = beginInlineImagePos;
+    return nextObj;
+  }
+
+  skipToNextLine() {
+    let ch = this.currentChar;
+
+    while (ch >= 0) {
+      if (ch === 0x0d) {
+        ch = this.nextChar();
+
+        if (ch === 0x0a) {
+          this.nextChar();
+        }
+
+        break;
+      } else if (ch === 0x0a) {
+        this.nextChar();
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+  }
+
+}
+
+exports.Lexer = Lexer;
+
+class Linearization {
+  static create(stream) {
+    function getInt(linDict, name, allowZeroValue = false) {
+      const obj = linDict.get(name);
+
+      if (Number.isInteger(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) {
+        return obj;
+      }
+
+      throw new Error(`The "${name}" parameter in the linearization ` + "dictionary is invalid.");
+    }
+
+    function getHints(linDict) {
+      const hints = linDict.get("H");
+      let hintsLength;
+
+      if (Array.isArray(hints) && ((hintsLength = hints.length) === 2 || hintsLength === 4)) {
+        for (let index = 0; index < hintsLength; index++) {
+          const hint = hints[index];
+
+          if (!(Number.isInteger(hint) && hint > 0)) {
+            throw new Error(`Hint (${index}) in the linearization dictionary is invalid.`);
+          }
+        }
+
+        return hints;
+      }
+
+      throw new Error("Hint array in the linearization dictionary is invalid.");
+    }
+
+    const parser = new Parser({
+      lexer: new Lexer(stream),
+      xref: null
+    });
+    const obj1 = parser.getObj();
+    const obj2 = parser.getObj();
+    const obj3 = parser.getObj();
+    const linDict = parser.getObj();
+    let obj, length;
+
+    if (!(Number.isInteger(obj1) && Number.isInteger(obj2) && (0, _primitives.isCmd)(obj3, "obj") && (0, _primitives.isDict)(linDict) && (0, _util.isNum)(obj = linDict.get("Linearized")) && obj > 0)) {
+      return null;
+    } else if ((length = getInt(linDict, "L")) !== stream.length) {
+      throw new Error('The "L" parameter in the linearization dictionary ' + "does not equal the stream length.");
+    }
+
+    return {
+      length,
+      hints: getHints(linDict),
+      objectNumberFirst: getInt(linDict, "O"),
+      endFirst: getInt(linDict, "E"),
+      numPages: getInt(linDict, "N"),
+      mainXRefEntriesOffset: getInt(linDict, "T"),
+      pageFirst: linDict.has("P") ? getInt(linDict, "P", true) : 0
+    };
+  }
+
+}
+
+exports.Linearization = Linearization;
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.LZWStream = exports.StringStream = exports.StreamsSequenceStream = exports.Stream = exports.RunLengthStream = exports.PredictorStream = exports.NullStream = exports.FlateStream = exports.DecodeStream = exports.DecryptStream = exports.AsciiHexStream = exports.Ascii85Stream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var Stream = function StreamClosure() {
+  function Stream(arrayBuffer, start, length, dict) {
+    this.bytes = arrayBuffer instanceof Uint8Array ? arrayBuffer : new Uint8Array(arrayBuffer);
+    this.start = start || 0;
+    this.pos = this.start;
+    this.end = start + length || this.bytes.length;
+    this.dict = dict;
+  }
+
+  Stream.prototype = {
+    get length() {
+      return this.end - this.start;
+    },
+
+    get isEmpty() {
+      return this.length === 0;
+    },
+
+    getByte: function Stream_getByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.bytes[this.pos++];
+    },
+    getUint16: function Stream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function Stream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+
+    getBytes(length, forceClamped = false) {
+      var bytes = this.bytes;
+      var pos = this.pos;
+      var strEnd = this.end;
+
+      if (!length) {
+        const subarray = bytes.subarray(pos, strEnd);
+        return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+      }
+
+      var end = pos + length;
+
+      if (end > strEnd) {
+        end = strEnd;
+      }
+
+      this.pos = end;
+      const subarray = bytes.subarray(pos, end);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    },
+
+    peekByte: function Stream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+
+    peekBytes(length, forceClamped = false) {
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+
+    getByteRange(begin, end) {
+      if (begin < 0) {
+        begin = 0;
+      }
+
+      if (end > this.end) {
+        end = this.end;
+      }
+
+      return this.bytes.subarray(begin, end);
+    },
+
+    skip: function Stream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function Stream_reset() {
+      this.pos = this.start;
+    },
+    moveStart: function Stream_moveStart() {
+      this.start = this.pos;
+    },
+    makeSubStream: function Stream_makeSubStream(start, length, dict) {
+      return new Stream(this.bytes.buffer, start, length, dict);
+    }
+  };
+  return Stream;
+}();
+
+exports.Stream = Stream;
+
+var StringStream = function StringStreamClosure() {
+  function StringStream(str) {
+    const bytes = (0, _util.stringToBytes)(str);
+    Stream.call(this, bytes);
+  }
+
+  StringStream.prototype = Stream.prototype;
+  return StringStream;
+}();
+
+exports.StringStream = StringStream;
+
+var DecodeStream = function DecodeStreamClosure() {
+  var emptyBuffer = new Uint8Array(0);
+
+  function DecodeStream(maybeMinBufferLength) {
+    this._rawMinBufferLength = maybeMinBufferLength || 0;
+    this.pos = 0;
+    this.bufferLength = 0;
+    this.eof = false;
+    this.buffer = emptyBuffer;
+    this.minBufferLength = 512;
+
+    if (maybeMinBufferLength) {
+      while (this.minBufferLength < maybeMinBufferLength) {
+        this.minBufferLength *= 2;
+      }
+    }
+  }
+
+  DecodeStream.prototype = {
+    get isEmpty() {
+      while (!this.eof && this.bufferLength === 0) {
+        this.readBlock();
+      }
+
+      return this.bufferLength === 0;
+    },
+
+    ensureBuffer: function DecodeStream_ensureBuffer(requested) {
+      var buffer = this.buffer;
+
+      if (requested <= buffer.byteLength) {
+        return buffer;
+      }
+
+      var size = this.minBufferLength;
+
+      while (size < requested) {
+        size *= 2;
+      }
+
+      var buffer2 = new Uint8Array(size);
+      buffer2.set(buffer);
+      return this.buffer = buffer2;
+    },
+    getByte: function DecodeStream_getByte() {
+      var pos = this.pos;
+
+      while (this.bufferLength <= pos) {
+        if (this.eof) {
+          return -1;
+        }
+
+        this.readBlock();
+      }
+
+      return this.buffer[this.pos++];
+    },
+    getUint16: function DecodeStream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function DecodeStream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+
+    getBytes(length, forceClamped = false) {
+      var end,
+          pos = this.pos;
+
+      if (length) {
+        this.ensureBuffer(pos + length);
+        end = pos + length;
+
+        while (!this.eof && this.bufferLength < end) {
+          this.readBlock();
+        }
+
+        var bufEnd = this.bufferLength;
+
+        if (end > bufEnd) {
+          end = bufEnd;
+        }
+      } else {
+        while (!this.eof) {
+          this.readBlock();
+        }
+
+        end = this.bufferLength;
+      }
+
+      this.pos = end;
+      const subarray = this.buffer.subarray(pos, end);
+      return forceClamped && !(subarray instanceof Uint8ClampedArray) ? new Uint8ClampedArray(subarray) : subarray;
+    },
+
+    peekByte: function DecodeStream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+
+    peekBytes(length, forceClamped = false) {
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+
+    makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {
+      var end = start + length;
+
+      while (this.bufferLength <= end && !this.eof) {
+        this.readBlock();
+      }
+
+      return new Stream(this.buffer, start, length, dict);
+    },
+
+    getByteRange(begin, end) {
+      (0, _util.unreachable)("Should not call DecodeStream.getByteRange");
+    },
+
+    skip: function DecodeStream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function DecodeStream_reset() {
+      this.pos = 0;
+    },
+    getBaseStreams: function DecodeStream_getBaseStreams() {
+      if (this.str && this.str.getBaseStreams) {
+        return this.str.getBaseStreams();
+      }
+
+      return [];
+    }
+  };
+  return DecodeStream;
+}();
+
+exports.DecodeStream = DecodeStream;
+
+var StreamsSequenceStream = function StreamsSequenceStreamClosure() {
+  function StreamsSequenceStream(streams) {
+    this.streams = streams;
+    let maybeLength = 0;
+
+    for (let i = 0, ii = streams.length; i < ii; i++) {
+      const stream = streams[i];
+
+      if (stream instanceof DecodeStream) {
+        maybeLength += stream._rawMinBufferLength;
+      } else {
+        maybeLength += stream.length;
+      }
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);
+
+  StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {
+    var streams = this.streams;
+
+    if (streams.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    var stream = streams.shift();
+    var chunk = stream.getBytes();
+    var bufferLength = this.bufferLength;
+    var newLength = bufferLength + chunk.length;
+    var buffer = this.ensureBuffer(newLength);
+    buffer.set(chunk, bufferLength);
+    this.bufferLength = newLength;
+  };
+
+  StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {
+    var baseStreams = [];
+
+    for (var i = 0, ii = this.streams.length; i < ii; i++) {
+      var stream = this.streams[i];
+
+      if (stream.getBaseStreams) {
+        baseStreams.push(...stream.getBaseStreams());
+      }
+    }
+
+    return baseStreams;
+  };
+
+  return StreamsSequenceStream;
+}();
+
+exports.StreamsSequenceStream = StreamsSequenceStream;
+
+var FlateStream = function FlateStreamClosure() {
+  var codeLenCodeMap = new Int32Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
+  var lengthDecode = new Int32Array([0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102]);
+  var distDecode = new Int32Array([0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001]);
+  var fixedLitCodeTab = [new Int32Array([0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, 0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8, 0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8, 0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8, 0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4, 0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4, 0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4, 0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc, 0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec, 0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc, 0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2, 0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2, 0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2, 0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca, 0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea, 0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da, 0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6, 0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6, 0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6, 0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce, 0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee, 0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de, 0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe, 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1, 0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1, 0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1, 0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9, 0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9, 0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9, 0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5, 0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5, 0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5, 0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd, 0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed, 0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd, 0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3, 0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3, 0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3, 0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb, 0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb, 0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db, 0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7, 0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7, 0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7, 0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf, 0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef, 0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df, 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff]), 9];
+  var fixedDistCodeTab = [new Int32Array([0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000]), 5];
+
+  function FlateStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    var cmf = str.getByte();
+    var flg = str.getByte();
+
+    if (cmf === -1 || flg === -1) {
+      throw new _util.FormatError(`Invalid header in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if ((cmf & 0x0f) !== 0x08) {
+      throw new _util.FormatError(`Unknown compression method in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if (((cmf << 8) + flg) % 31 !== 0) {
+      throw new _util.FormatError(`Bad FCHECK in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if (flg & 0x20) {
+      throw new _util.FormatError(`FDICT bit set in flate stream: ${cmf}, ${flg}`);
+    }
+
+    this.codeSize = 0;
+    this.codeBuf = 0;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  FlateStream.prototype = Object.create(DecodeStream.prototype);
+
+  FlateStream.prototype.getBits = function FlateStream_getBits(bits) {
+    var str = this.str;
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < bits) {
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad encoding in flate stream");
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    b = codeBuf & (1 << bits) - 1;
+    this.codeBuf = codeBuf >> bits;
+    this.codeSize = codeSize -= bits;
+    return b;
+  };
+
+  FlateStream.prototype.getCode = function FlateStream_getCode(table) {
+    var str = this.str;
+    var codes = table[0];
+    var maxLen = table[1];
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < maxLen) {
+      if ((b = str.getByte()) === -1) {
+        break;
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    var code = codes[codeBuf & (1 << maxLen) - 1];
+    var codeLen = code >> 16;
+    var codeVal = code & 0xffff;
+
+    if (codeLen < 1 || codeSize < codeLen) {
+      throw new _util.FormatError("Bad encoding in flate stream");
+    }
+
+    this.codeBuf = codeBuf >> codeLen;
+    this.codeSize = codeSize - codeLen;
+    return codeVal;
+  };
+
+  FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(lengths) {
+    var n = lengths.length;
+    var maxLen = 0;
+    var i;
+
+    for (i = 0; i < n; ++i) {
+      if (lengths[i] > maxLen) {
+        maxLen = lengths[i];
+      }
+    }
+
+    var size = 1 << maxLen;
+    var codes = new Int32Array(size);
+
+    for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) {
+      for (var val = 0; val < n; ++val) {
+        if (lengths[val] === len) {
+          var code2 = 0;
+          var t = code;
+
+          for (i = 0; i < len; ++i) {
+            code2 = code2 << 1 | t & 1;
+            t >>= 1;
+          }
+
+          for (i = code2; i < size; i += skip) {
+            codes[i] = len << 16 | val;
+          }
+
+          ++code;
+        }
+      }
+    }
+
+    return [codes, maxLen];
+  };
+
+  FlateStream.prototype.readBlock = function FlateStream_readBlock() {
+    var buffer, len;
+    var str = this.str;
+    var hdr = this.getBits(3);
+
+    if (hdr & 1) {
+      this.eof = true;
+    }
+
+    hdr >>= 1;
+
+    if (hdr === 0) {
+      var b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var blockLen = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      blockLen |= b << 8;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var check = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      check |= b << 8;
+
+      if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {
+        throw new _util.FormatError("Bad uncompressed block length in flate stream");
+      }
+
+      this.codeBuf = 0;
+      this.codeSize = 0;
+      const bufferLength = this.bufferLength,
+            end = bufferLength + blockLen;
+      buffer = this.ensureBuffer(end);
+      this.bufferLength = end;
+
+      if (blockLen === 0) {
+        if (str.peekByte() === -1) {
+          this.eof = true;
+        }
+      } else {
+        const block = str.getBytes(blockLen);
+        buffer.set(block, bufferLength);
+
+        if (block.length < blockLen) {
+          this.eof = true;
+        }
+      }
+
+      return;
+    }
+
+    var litCodeTable;
+    var distCodeTable;
+
+    if (hdr === 1) {
+      litCodeTable = fixedLitCodeTab;
+      distCodeTable = fixedDistCodeTab;
+    } else if (hdr === 2) {
+      var numLitCodes = this.getBits(5) + 257;
+      var numDistCodes = this.getBits(5) + 1;
+      var numCodeLenCodes = this.getBits(4) + 4;
+      var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);
+      var i;
+
+      for (i = 0; i < numCodeLenCodes; ++i) {
+        codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);
+      }
+
+      var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);
+      len = 0;
+      i = 0;
+      var codes = numLitCodes + numDistCodes;
+      var codeLengths = new Uint8Array(codes);
+      var bitsLength, bitsOffset, what;
+
+      while (i < codes) {
+        var code = this.getCode(codeLenCodeTab);
+
+        if (code === 16) {
+          bitsLength = 2;
+          bitsOffset = 3;
+          what = len;
+        } else if (code === 17) {
+          bitsLength = 3;
+          bitsOffset = 3;
+          what = len = 0;
+        } else if (code === 18) {
+          bitsLength = 7;
+          bitsOffset = 11;
+          what = len = 0;
+        } else {
+          codeLengths[i++] = len = code;
+          continue;
+        }
+
+        var repeatLength = this.getBits(bitsLength) + bitsOffset;
+
+        while (repeatLength-- > 0) {
+          codeLengths[i++] = what;
+        }
+      }
+
+      litCodeTable = this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes));
+      distCodeTable = this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes));
+    } else {
+      throw new _util.FormatError("Unknown block type in flate stream");
+    }
+
+    buffer = this.buffer;
+    var limit = buffer ? buffer.length : 0;
+    var pos = this.bufferLength;
+
+    while (true) {
+      var code1 = this.getCode(litCodeTable);
+
+      if (code1 < 256) {
+        if (pos + 1 >= limit) {
+          buffer = this.ensureBuffer(pos + 1);
+          limit = buffer.length;
+        }
+
+        buffer[pos++] = code1;
+        continue;
+      }
+
+      if (code1 === 256) {
+        this.bufferLength = pos;
+        return;
+      }
+
+      code1 -= 257;
+      code1 = lengthDecode[code1];
+      var code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      len = (code1 & 0xffff) + code2;
+      code1 = this.getCode(distCodeTable);
+      code1 = distDecode[code1];
+      code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      var dist = (code1 & 0xffff) + code2;
+
+      if (pos + len >= limit) {
+        buffer = this.ensureBuffer(pos + len);
+        limit = buffer.length;
+      }
+
+      for (var k = 0; k < len; ++k, ++pos) {
+        buffer[pos] = buffer[pos - dist];
+      }
+    }
+  };
+
+  return FlateStream;
+}();
+
+exports.FlateStream = FlateStream;
+
+var PredictorStream = function PredictorStreamClosure() {
+  function PredictorStream(str, maybeLength, params) {
+    if (!(0, _primitives.isDict)(params)) {
+      return str;
+    }
+
+    var predictor = this.predictor = params.get("Predictor") || 1;
+
+    if (predictor <= 1) {
+      return str;
+    }
+
+    if (predictor !== 2 && (predictor < 10 || predictor > 15)) {
+      throw new _util.FormatError(`Unsupported predictor: ${predictor}`);
+    }
+
+    if (predictor === 2) {
+      this.readBlock = this.readBlockTiff;
+    } else {
+      this.readBlock = this.readBlockPng;
+    }
+
+    this.str = str;
+    this.dict = str.dict;
+    var colors = this.colors = params.get("Colors") || 1;
+    var bits = this.bits = params.get("BitsPerComponent") || 8;
+    var columns = this.columns = params.get("Columns") || 1;
+    this.pixBytes = colors * bits + 7 >> 3;
+    this.rowBytes = columns * colors * bits + 7 >> 3;
+    DecodeStream.call(this, maybeLength);
+    return this;
+  }
+
+  PredictorStream.prototype = Object.create(DecodeStream.prototype);
+
+  PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {
+    var rowBytes = this.rowBytes;
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var bits = this.bits;
+    var colors = this.colors;
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var inbuf = 0,
+        outbuf = 0;
+    var inbits = 0,
+        outbits = 0;
+    var pos = bufferLength;
+    var i;
+
+    if (bits === 1 && colors === 1) {
+      for (i = 0; i < rowBytes; ++i) {
+        var c = rawBytes[i] ^ inbuf;
+        c ^= c >> 1;
+        c ^= c >> 2;
+        c ^= c >> 4;
+        inbuf = (c & 1) << 7;
+        buffer[pos++] = c;
+      }
+    } else if (bits === 8) {
+      for (i = 0; i < colors; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; ++i) {
+        buffer[pos] = buffer[pos - colors] + rawBytes[i];
+        pos++;
+      }
+    } else if (bits === 16) {
+      var bytesPerPixel = colors * 2;
+
+      for (i = 0; i < bytesPerPixel; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; i += 2) {
+        var sum = ((rawBytes[i] & 0xff) << 8) + (rawBytes[i + 1] & 0xff) + ((buffer[pos - bytesPerPixel] & 0xff) << 8) + (buffer[pos - bytesPerPixel + 1] & 0xff);
+        buffer[pos++] = sum >> 8 & 0xff;
+        buffer[pos++] = sum & 0xff;
+      }
+    } else {
+      var compArray = new Uint8Array(colors + 1);
+      var bitMask = (1 << bits) - 1;
+      var j = 0,
+          k = bufferLength;
+      var columns = this.columns;
+
+      for (i = 0; i < columns; ++i) {
+        for (var kk = 0; kk < colors; ++kk) {
+          if (inbits < bits) {
+            inbuf = inbuf << 8 | rawBytes[j++] & 0xff;
+            inbits += 8;
+          }
+
+          compArray[kk] = compArray[kk] + (inbuf >> inbits - bits) & bitMask;
+          inbits -= bits;
+          outbuf = outbuf << bits | compArray[kk];
+          outbits += bits;
+
+          if (outbits >= 8) {
+            buffer[k++] = outbuf >> outbits - 8 & 0xff;
+            outbits -= 8;
+          }
+        }
+      }
+
+      if (outbits > 0) {
+        buffer[k++] = (outbuf << 8 - outbits) + (inbuf & (1 << 8 - outbits) - 1);
+      }
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {
+    var rowBytes = this.rowBytes;
+    var pixBytes = this.pixBytes;
+    var predictor = this.str.getByte();
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);
+
+    if (prevRow.length === 0) {
+      prevRow = new Uint8Array(rowBytes);
+    }
+
+    var i,
+        j = bufferLength,
+        up,
+        c;
+
+    switch (predictor) {
+      case 0:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        break;
+
+      case 1:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = buffer[j - pixBytes] + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 2:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = prevRow[i] + rawBytes[i] & 0xff;
+        }
+
+        break;
+
+      case 3:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = (prevRow[i] + buffer[j - pixBytes] >> 1) + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 4:
+        for (i = 0; i < pixBytes; ++i) {
+          up = prevRow[i];
+          c = rawBytes[i];
+          buffer[j++] = up + c;
+        }
+
+        for (; i < rowBytes; ++i) {
+          up = prevRow[i];
+          var upLeft = prevRow[i - pixBytes];
+          var left = buffer[j - pixBytes];
+          var p = left + up - upLeft;
+          var pa = p - left;
+
+          if (pa < 0) {
+            pa = -pa;
+          }
+
+          var pb = p - up;
+
+          if (pb < 0) {
+            pb = -pb;
+          }
+
+          var pc = p - upLeft;
+
+          if (pc < 0) {
+            pc = -pc;
+          }
+
+          c = rawBytes[i];
+
+          if (pa <= pb && pa <= pc) {
+            buffer[j++] = left + c;
+          } else if (pb <= pc) {
+            buffer[j++] = up + c;
+          } else {
+            buffer[j++] = upLeft + c;
+          }
+        }
+
+        break;
+
+      default:
+        throw new _util.FormatError(`Unsupported predictor: ${predictor}`);
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  return PredictorStream;
+}();
+
+exports.PredictorStream = PredictorStream;
+
+var DecryptStream = function DecryptStreamClosure() {
+  function DecryptStream(str, maybeLength, decrypt) {
+    this.str = str;
+    this.dict = str.dict;
+    this.decrypt = decrypt;
+    this.nextChunk = null;
+    this.initialized = false;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  var chunkSize = 512;
+  DecryptStream.prototype = Object.create(DecodeStream.prototype);
+
+  DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
+    var chunk;
+
+    if (this.initialized) {
+      chunk = this.nextChunk;
+    } else {
+      chunk = this.str.getBytes(chunkSize);
+      this.initialized = true;
+    }
+
+    if (!chunk || chunk.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    this.nextChunk = this.str.getBytes(chunkSize);
+    var hasMoreData = this.nextChunk && this.nextChunk.length > 0;
+    var decrypt = this.decrypt;
+    chunk = decrypt(chunk, !hasMoreData);
+    var bufferLength = this.bufferLength;
+    var i,
+        n = chunk.length;
+    var buffer = this.ensureBuffer(bufferLength + n);
+
+    for (i = 0; i < n; i++) {
+      buffer[bufferLength++] = chunk[i];
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return DecryptStream;
+}();
+
+exports.DecryptStream = DecryptStream;
+
+var Ascii85Stream = function Ascii85StreamClosure() {
+  function Ascii85Stream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.input = new Uint8Array(5);
+
+    if (maybeLength) {
+      maybeLength = 0.8 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  Ascii85Stream.prototype = Object.create(DecodeStream.prototype);
+
+  Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {
+    var TILDA_CHAR = 0x7e;
+    var Z_LOWER_CHAR = 0x7a;
+    var EOF = -1;
+    var str = this.str;
+    var c = str.getByte();
+
+    while ((0, _core_utils.isWhiteSpace)(c)) {
+      c = str.getByte();
+    }
+
+    if (c === EOF || c === TILDA_CHAR) {
+      this.eof = true;
+      return;
+    }
+
+    var bufferLength = this.bufferLength,
+        buffer;
+    var i;
+
+    if (c === Z_LOWER_CHAR) {
+      buffer = this.ensureBuffer(bufferLength + 4);
+
+      for (i = 0; i < 4; ++i) {
+        buffer[bufferLength + i] = 0;
+      }
+
+      this.bufferLength += 4;
+    } else {
+      var input = this.input;
+      input[0] = c;
+
+      for (i = 1; i < 5; ++i) {
+        c = str.getByte();
+
+        while ((0, _core_utils.isWhiteSpace)(c)) {
+          c = str.getByte();
+        }
+
+        input[i] = c;
+
+        if (c === EOF || c === TILDA_CHAR) {
+          break;
+        }
+      }
+
+      buffer = this.ensureBuffer(bufferLength + i - 1);
+      this.bufferLength += i - 1;
+
+      if (i < 5) {
+        for (; i < 5; ++i) {
+          input[i] = 0x21 + 84;
+        }
+
+        this.eof = true;
+      }
+
+      var t = 0;
+
+      for (i = 0; i < 5; ++i) {
+        t = t * 85 + (input[i] - 0x21);
+      }
+
+      for (i = 3; i >= 0; --i) {
+        buffer[bufferLength + i] = t & 0xff;
+        t >>= 8;
+      }
+    }
+  };
+
+  return Ascii85Stream;
+}();
+
+exports.Ascii85Stream = Ascii85Stream;
+
+var AsciiHexStream = function AsciiHexStreamClosure() {
+  function AsciiHexStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.firstDigit = -1;
+
+    if (maybeLength) {
+      maybeLength = 0.5 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  AsciiHexStream.prototype = Object.create(DecodeStream.prototype);
+
+  AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {
+    var UPSTREAM_BLOCK_SIZE = 8000;
+    var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);
+
+    if (!bytes.length) {
+      this.eof = true;
+      return;
+    }
+
+    var maxDecodeLength = bytes.length + 1 >> 1;
+    var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);
+    var bufferLength = this.bufferLength;
+    var firstDigit = this.firstDigit;
+
+    for (var i = 0, ii = bytes.length; i < ii; i++) {
+      var ch = bytes[i],
+          digit;
+
+      if (ch >= 0x30 && ch <= 0x39) {
+        digit = ch & 0x0f;
+      } else if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+        digit = (ch & 0x0f) + 9;
+      } else if (ch === 0x3e) {
+        this.eof = true;
+        break;
+      } else {
+        continue;
+      }
+
+      if (firstDigit < 0) {
+        firstDigit = digit;
+      } else {
+        buffer[bufferLength++] = firstDigit << 4 | digit;
+        firstDigit = -1;
+      }
+    }
+
+    if (firstDigit >= 0 && this.eof) {
+      buffer[bufferLength++] = firstDigit << 4;
+      firstDigit = -1;
+    }
+
+    this.firstDigit = firstDigit;
+    this.bufferLength = bufferLength;
+  };
+
+  return AsciiHexStream;
+}();
+
+exports.AsciiHexStream = AsciiHexStream;
+
+var RunLengthStream = function RunLengthStreamClosure() {
+  function RunLengthStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  RunLengthStream.prototype = Object.create(DecodeStream.prototype);
+
+  RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {
+    var repeatHeader = this.str.getBytes(2);
+
+    if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {
+      this.eof = true;
+      return;
+    }
+
+    var buffer;
+    var bufferLength = this.bufferLength;
+    var n = repeatHeader[0];
+
+    if (n < 128) {
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+      buffer[bufferLength++] = repeatHeader[1];
+
+      if (n > 0) {
+        var source = this.str.getBytes(n);
+        buffer.set(source, bufferLength);
+        bufferLength += n;
+      }
+    } else {
+      n = 257 - n;
+      var b = repeatHeader[1];
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+
+      for (var i = 0; i < n; i++) {
+        buffer[bufferLength++] = b;
+      }
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return RunLengthStream;
+}();
+
+exports.RunLengthStream = RunLengthStream;
+
+var LZWStream = function LZWStreamClosure() {
+  function LZWStream(str, maybeLength, earlyChange) {
+    this.str = str;
+    this.dict = str.dict;
+    this.cachedData = 0;
+    this.bitsCached = 0;
+    var maxLzwDictionarySize = 4096;
+    var lzwState = {
+      earlyChange,
+      codeLength: 9,
+      nextCode: 258,
+      dictionaryValues: new Uint8Array(maxLzwDictionarySize),
+      dictionaryLengths: new Uint16Array(maxLzwDictionarySize),
+      dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize),
+      currentSequence: new Uint8Array(maxLzwDictionarySize),
+      currentSequenceLength: 0
+    };
+
+    for (var i = 0; i < 256; ++i) {
+      lzwState.dictionaryValues[i] = i;
+      lzwState.dictionaryLengths[i] = 1;
+    }
+
+    this.lzwState = lzwState;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  LZWStream.prototype = Object.create(DecodeStream.prototype);
+
+  LZWStream.prototype.readBits = function LZWStream_readBits(n) {
+    var bitsCached = this.bitsCached;
+    var cachedData = this.cachedData;
+
+    while (bitsCached < n) {
+      var c = this.str.getByte();
+
+      if (c === -1) {
+        this.eof = true;
+        return null;
+      }
+
+      cachedData = cachedData << 8 | c;
+      bitsCached += 8;
+    }
+
+    this.bitsCached = bitsCached -= n;
+    this.cachedData = cachedData;
+    this.lastCode = null;
+    return cachedData >>> bitsCached & (1 << n) - 1;
+  };
+
+  LZWStream.prototype.readBlock = function LZWStream_readBlock() {
+    var blockSize = 512;
+    var estimatedDecodedSize = blockSize * 2,
+        decodedSizeDelta = blockSize;
+    var i, j, q;
+    var lzwState = this.lzwState;
+
+    if (!lzwState) {
+      return;
+    }
+
+    var earlyChange = lzwState.earlyChange;
+    var nextCode = lzwState.nextCode;
+    var dictionaryValues = lzwState.dictionaryValues;
+    var dictionaryLengths = lzwState.dictionaryLengths;
+    var dictionaryPrevCodes = lzwState.dictionaryPrevCodes;
+    var codeLength = lzwState.codeLength;
+    var prevCode = lzwState.prevCode;
+    var currentSequence = lzwState.currentSequence;
+    var currentSequenceLength = lzwState.currentSequenceLength;
+    var decodedLength = 0;
+    var currentBufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+
+    for (i = 0; i < blockSize; i++) {
+      var code = this.readBits(codeLength);
+      var hasPrev = currentSequenceLength > 0;
+
+      if (code < 256) {
+        currentSequence[0] = code;
+        currentSequenceLength = 1;
+      } else if (code >= 258) {
+        if (code < nextCode) {
+          currentSequenceLength = dictionaryLengths[code];
+
+          for (j = currentSequenceLength - 1, q = code; j >= 0; j--) {
+            currentSequence[j] = dictionaryValues[q];
+            q = dictionaryPrevCodes[q];
+          }
+        } else {
+          currentSequence[currentSequenceLength++] = currentSequence[0];
+        }
+      } else if (code === 256) {
+        codeLength = 9;
+        nextCode = 258;
+        currentSequenceLength = 0;
+        continue;
+      } else {
+        this.eof = true;
+        delete this.lzwState;
+        break;
+      }
+
+      if (hasPrev) {
+        dictionaryPrevCodes[nextCode] = prevCode;
+        dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1;
+        dictionaryValues[nextCode] = currentSequence[0];
+        nextCode++;
+        codeLength = nextCode + earlyChange & nextCode + earlyChange - 1 ? codeLength : Math.min(Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1, 12) | 0;
+      }
+
+      prevCode = code;
+      decodedLength += currentSequenceLength;
+
+      if (estimatedDecodedSize < decodedLength) {
+        do {
+          estimatedDecodedSize += decodedSizeDelta;
+        } while (estimatedDecodedSize < decodedLength);
+
+        buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+      }
+
+      for (j = 0; j < currentSequenceLength; j++) {
+        buffer[currentBufferLength++] = currentSequence[j];
+      }
+    }
+
+    lzwState.nextCode = nextCode;
+    lzwState.codeLength = codeLength;
+    lzwState.prevCode = prevCode;
+    lzwState.currentSequenceLength = currentSequenceLength;
+    this.bufferLength = currentBufferLength;
+  };
+
+  return LZWStream;
+}();
+
+exports.LZWStream = LZWStream;
+
+var NullStream = function NullStreamClosure() {
+  function NullStream() {
+    Stream.call(this, new Uint8Array(0));
+  }
+
+  NullStream.prototype = Stream.prototype;
+  return NullStream;
+}();
+
+exports.NullStream = NullStream;
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxStream = void 0;
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _ccitt = __w_pdfjs_require__(14);
+
+var _stream = __w_pdfjs_require__(12);
+
+var CCITTFaxStream = function CCITTFaxStreamClosure() {
+  function CCITTFaxStream(str, maybeLength, params) {
+    this.str = str;
+    this.dict = str.dict;
+
+    if (!(0, _primitives.isDict)(params)) {
+      params = _primitives.Dict.empty;
+    }
+
+    const source = {
+      next() {
+        return str.getByte();
+      }
+
+    };
+    this.ccittFaxDecoder = new _ccitt.CCITTFaxDecoder(source, {
+      K: params.get("K"),
+      EndOfLine: params.get("EndOfLine"),
+      EncodedByteAlign: params.get("EncodedByteAlign"),
+      Columns: params.get("Columns"),
+      Rows: params.get("Rows"),
+      EndOfBlock: params.get("EndOfBlock"),
+      BlackIs1: params.get("BlackIs1")
+    });
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  CCITTFaxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+
+  CCITTFaxStream.prototype.readBlock = function () {
+    while (!this.eof) {
+      const c = this.ccittFaxDecoder.readNextChar();
+
+      if (c === -1) {
+        this.eof = true;
+        return;
+      }
+
+      this.ensureBuffer(this.bufferLength + 1);
+      this.buffer[this.bufferLength++] = c;
+    }
+  };
+
+  return CCITTFaxStream;
+}();
+
+exports.CCITTFaxStream = CCITTFaxStream;
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxDecoder = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const CCITTFaxDecoder = function CCITTFaxDecoder() {
+  const ccittEOL = -2;
+  const ccittEOF = -1;
+  const twoDimPass = 0;
+  const twoDimHoriz = 1;
+  const twoDimVert0 = 2;
+  const twoDimVertR1 = 3;
+  const twoDimVertL1 = 4;
+  const twoDimVertR2 = 5;
+  const twoDimVertL2 = 6;
+  const twoDimVertR3 = 7;
+  const twoDimVertL3 = 8;
+  const twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
+  const whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
+  const whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
+  const blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
+  const blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
+  const blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
+
+  function CCITTFaxDecoder(source, options = {}) {
+    if (!source || typeof source.next !== "function") {
+      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
+    }
+
+    this.source = source;
+    this.eof = false;
+    this.encoding = options.K || 0;
+    this.eoline = options.EndOfLine || false;
+    this.byteAlign = options.EncodedByteAlign || false;
+    this.columns = options.Columns || 1728;
+    this.rows = options.Rows || 0;
+    let eoblock = options.EndOfBlock;
+
+    if (eoblock === null || eoblock === undefined) {
+      eoblock = true;
+    }
+
+    this.eoblock = eoblock;
+    this.black = options.BlackIs1 || false;
+    this.codingLine = new Uint32Array(this.columns + 1);
+    this.refLine = new Uint32Array(this.columns + 2);
+    this.codingLine[0] = this.columns;
+    this.codingPos = 0;
+    this.row = 0;
+    this.nextLine2D = this.encoding < 0;
+    this.inputBits = 0;
+    this.inputBuf = 0;
+    this.outputBits = 0;
+    this.rowsDone = false;
+    let code1;
+
+    while ((code1 = this._lookBits(12)) === 0) {
+      this._eatBits(1);
+    }
+
+    if (code1 === 1) {
+      this._eatBits(12);
+    }
+
+    if (this.encoding > 0) {
+      this.nextLine2D = !this._lookBits(1);
+
+      this._eatBits(1);
+    }
+  }
+
+  CCITTFaxDecoder.prototype = {
+    readNextChar() {
+      if (this.eof) {
+        return -1;
+      }
+
+      const refLine = this.refLine;
+      const codingLine = this.codingLine;
+      const columns = this.columns;
+      let refPos, blackPixels, bits, i;
+
+      if (this.outputBits === 0) {
+        if (this.rowsDone) {
+          this.eof = true;
+        }
+
+        if (this.eof) {
+          return -1;
+        }
+
+        this.err = false;
+        let code1, code2, code3;
+
+        if (this.nextLine2D) {
+          for (i = 0; codingLine[i] < columns; ++i) {
+            refLine[i] = codingLine[i];
+          }
+
+          refLine[i++] = columns;
+          refLine[i] = columns;
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          refPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = this._getTwoDimCode();
+
+            switch (code1) {
+              case twoDimPass:
+                this._addPixels(refLine[refPos + 1], blackPixels);
+
+                if (refLine[refPos + 1] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimHoriz:
+                code1 = code2 = 0;
+
+                if (blackPixels) {
+                  do {
+                    code1 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+                } else {
+                  do {
+                    code1 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+                }
+
+                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+                if (codingLine[this.codingPos] < columns) {
+                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
+                }
+
+                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimVertR3:
+                this._addPixels(refLine[refPos] + 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR2:
+                this._addPixels(refLine[refPos] + 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR1:
+                this._addPixels(refLine[refPos] + 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVert0:
+                this._addPixels(refLine[refPos], blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL3:
+                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL2:
+                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL1:
+                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case ccittEOF:
+                this._addPixels(columns, 0);
+
+                this.eof = true;
+                break;
+
+              default:
+                (0, _util.info)("bad 2d code");
+
+                this._addPixels(columns, 0);
+
+                this.err = true;
+            }
+          }
+        } else {
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = 0;
+
+            if (blackPixels) {
+              do {
+                code1 += code3 = this._getBlackCode();
+              } while (code3 >= 64);
+            } else {
+              do {
+                code1 += code3 = this._getWhiteCode();
+              } while (code3 >= 64);
+            }
+
+            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+            blackPixels ^= 1;
+          }
+        }
+
+        let gotEOL = false;
+
+        if (this.byteAlign) {
+          this.inputBits &= ~7;
+        }
+
+        if (!this.eoblock && this.row === this.rows - 1) {
+          this.rowsDone = true;
+        } else {
+          code1 = this._lookBits(12);
+
+          if (this.eoline) {
+            while (code1 !== ccittEOF && code1 !== 1) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          } else {
+            while (code1 === 0) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          }
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            gotEOL = true;
+          } else if (code1 === ccittEOF) {
+            this.eof = true;
+          }
+        }
+
+        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
+          this.nextLine2D = !this._lookBits(1);
+
+          this._eatBits(1);
+        }
+
+        if (this.eoblock && gotEOL && this.byteAlign) {
+          code1 = this._lookBits(12);
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            if (this.encoding > 0) {
+              this._lookBits(1);
+
+              this._eatBits(1);
+            }
+
+            if (this.encoding >= 0) {
+              for (i = 0; i < 4; ++i) {
+                code1 = this._lookBits(12);
+
+                if (code1 !== 1) {
+                  (0, _util.info)("bad rtc code: " + code1);
+                }
+
+                this._eatBits(12);
+
+                if (this.encoding > 0) {
+                  this._lookBits(1);
+
+                  this._eatBits(1);
+                }
+              }
+            }
+
+            this.eof = true;
+          }
+        } else if (this.err && this.eoline) {
+          while (true) {
+            code1 = this._lookBits(13);
+
+            if (code1 === ccittEOF) {
+              this.eof = true;
+              return -1;
+            }
+
+            if (code1 >> 1 === 1) {
+              break;
+            }
+
+            this._eatBits(1);
+          }
+
+          this._eatBits(12);
+
+          if (this.encoding > 0) {
+            this._eatBits(1);
+
+            this.nextLine2D = !(code1 & 1);
+          }
+        }
+
+        if (codingLine[0] > 0) {
+          this.outputBits = codingLine[this.codingPos = 0];
+        } else {
+          this.outputBits = codingLine[this.codingPos = 1];
+        }
+
+        this.row++;
+      }
+
+      let c;
+
+      if (this.outputBits >= 8) {
+        c = this.codingPos & 1 ? 0 : 0xff;
+        this.outputBits -= 8;
+
+        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
+          this.codingPos++;
+          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+        }
+      } else {
+        bits = 8;
+        c = 0;
+
+        do {
+          if (this.outputBits > bits) {
+            c <<= bits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - bits;
+            }
+
+            this.outputBits -= bits;
+            bits = 0;
+          } else {
+            c <<= this.outputBits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - this.outputBits;
+            }
+
+            bits -= this.outputBits;
+            this.outputBits = 0;
+
+            if (codingLine[this.codingPos] < columns) {
+              this.codingPos++;
+              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+            } else if (bits > 0) {
+              c <<= bits;
+              bits = 0;
+            }
+          }
+        } while (bits);
+      }
+
+      if (this.black) {
+        c ^= 0xff;
+      }
+
+      return c;
+    },
+
+    _addPixels(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _addPixelsNeg(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      } else if (a1 < codingLine[codingPos]) {
+        if (a1 < 0) {
+          (0, _util.info)("invalid code");
+          this.err = true;
+          a1 = 0;
+        }
+
+        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
+          --codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _findTableCode(start, end, table, limit) {
+      const limitValue = limit || 0;
+
+      for (let i = start; i <= end; ++i) {
+        let code = this._lookBits(i);
+
+        if (code === ccittEOF) {
+          return [true, 1, false];
+        }
+
+        if (i < end) {
+          code <<= end - i;
+        }
+
+        if (!limitValue || code >= limitValue) {
+          const p = table[code - limitValue];
+
+          if (p[0] === i) {
+            this._eatBits(i);
+
+            return [true, p[1], true];
+          }
+        }
+      }
+
+      return [false, 0, false];
+    },
+
+    _getTwoDimCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(7);
+        p = twoDimTable[code];
+
+        if (p && p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        const result = this._findTableCode(1, 7, twoDimTable);
+
+        if (result[0] && result[2]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("Bad two dim code");
+      return ccittEOF;
+    },
+
+    _getWhiteCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(12);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 5 === 0) {
+          p = whiteTable1[code];
+        } else {
+          p = whiteTable2[code >> 3];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(1, 9, whiteTable2);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(11, 12, whiteTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad white code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _getBlackCode() {
+      let code, p;
+
+      if (this.eoblock) {
+        code = this._lookBits(13);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 7 === 0) {
+          p = blackTable1[code];
+        } else if (code >> 9 === 0 && code >> 7 !== 0) {
+          p = blackTable2[(code >> 1) - 64];
+        } else {
+          p = blackTable3[code >> 7];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(2, 6, blackTable3);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(7, 12, blackTable2, 64);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(10, 13, blackTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad black code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _lookBits(n) {
+      let c;
+
+      while (this.inputBits < n) {
+        if ((c = this.source.next()) === -1) {
+          if (this.inputBits === 0) {
+            return ccittEOF;
+          }
+
+          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
+        }
+
+        this.inputBuf = this.inputBuf << 8 | c;
+        this.inputBits += 8;
+      }
+
+      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
+    },
+
+    _eatBits(n) {
+      if ((this.inputBits -= n) < 0) {
+        this.inputBits = 0;
+      }
+    }
+
+  };
+  return CCITTFaxDecoder;
+}();
+
+exports.CCITTFaxDecoder = CCITTFaxDecoder;
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Stream = void 0;
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _jbig = __w_pdfjs_require__(16);
+
+var _util = __w_pdfjs_require__(2);
+
+const Jbig2Stream = function Jbig2StreamClosure() {
+  function Jbig2Stream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  Jbig2Stream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(Jbig2Stream.prototype, "bytes", {
+    get() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+
+    configurable: true
+  });
+
+  Jbig2Stream.prototype.ensureBuffer = function (requested) {};
+
+  Jbig2Stream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jbig2Image = new _jbig.Jbig2Image();
+    const chunks = [];
+
+    if ((0, _primitives.isDict)(this.params)) {
+      const globalsStream = this.params.get("JBIG2Globals");
+
+      if ((0, _primitives.isStream)(globalsStream)) {
+        const globals = globalsStream.getBytes();
+        chunks.push({
+          data: globals,
+          start: 0,
+          end: globals.length
+        });
+      }
+    }
+
+    chunks.push({
+      data: this.bytes,
+      start: 0,
+      end: this.bytes.length
+    });
+    const data = jbig2Image.parseChunks(chunks);
+    const dataLength = data.length;
+
+    for (let i = 0; i < dataLength; i++) {
+      data[i] ^= 0xff;
+    }
+
+    this.buffer = data;
+    this.bufferLength = dataLength;
+    this.eof = true;
+  };
+
+  return Jbig2Stream;
+}();
+
+exports.Jbig2Stream = Jbig2Stream;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Image = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _arithmetic_decoder = __w_pdfjs_require__(17);
+
+var _ccitt = __w_pdfjs_require__(14);
+
+class Jbig2Error extends _util.BaseException {
+  constructor(msg) {
+    super(`JBIG2 error: ${msg}`);
+  }
+
+}
+
+var Jbig2Image = function Jbig2ImageClosure() {
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts(id) {
+      if (id in this) {
+        return this[id];
+      }
+
+      return this[id] = new Int8Array(1 << 16);
+    }
+
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
+      return (0, _util.shadow)(this, "decoder", decoder);
+    },
+
+    get contextCache() {
+      var cache = new ContextCache();
+      return (0, _util.shadow)(this, "contextCache", cache);
+    }
+
+  };
+
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+    var prev = 1;
+
+    function readBits(length) {
+      var v = 0;
+
+      for (var i = 0; i < length; i++) {
+        var bit = decoder.readBit(contexts, prev);
+        prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
+        v = v << 1 | bit;
+      }
+
+      return v >>> 0;
+    }
+
+    var sign = readBits(1);
+    var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
+
+    if (sign === 0) {
+      return value;
+    } else if (value > 0) {
+      return -value;
+    }
+
+    return null;
+  }
+
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts("IAID");
+    var prev = 1;
+
+    for (var i = 0; i < codeLength; i++) {
+      var bit = decoder.readBit(contexts, prev);
+      prev = prev << 1 | bit;
+    }
+
+    if (codeLength < 31) {
+      return prev & (1 << codeLength) - 1;
+    }
+
+    return prev & 0x7fffffff;
+  }
+
+  var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+  var CodingTemplates = [[{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: 2,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -3,
+    y: -1
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }]];
+  var RefinementTemplates = [{
+    coding: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: -1,
+      y: 1
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }, {
+    coding: [{
+      x: -1,
+      y: -1
+    }, {
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }];
+  var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
+  var RefinementReusedContexts = [0x0020, 0x0008];
+
+  function decodeBitmapTemplate0(width, height, decodingContext) {
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var contextLabel,
+        i,
+        j,
+        pixel,
+        row,
+        row1,
+        row2,
+        bitmap = [];
+    var OLD_PIXEL_MASK = 0x7bf7;
+
+    for (i = 0; i < height; i++) {
+      row = bitmap[i] = new Uint8Array(width);
+      row1 = i < 1 ? row : bitmap[i - 1];
+      row2 = i < 2 ? row : bitmap[i - 2];
+      contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
+
+      for (j = 0; j < width; j++) {
+        row[j] = pixel = decoder.readBit(contexts, contextLabel);
+        contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
+    if (mmr) {
+      const input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+      return decodeMMRBitmap(input, width, height, false);
+    }
+
+    if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
+      return decodeBitmapTemplate0(width, height, decodingContext);
+    }
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    template.sort(function (a, b) {
+      return a.y - b.y || a.x - b.x;
+    });
+    var templateLength = template.length;
+    var templateX = new Int8Array(templateLength);
+    var templateY = new Int8Array(templateLength);
+    var changingTemplateEntries = [];
+    var reuseMask = 0,
+        minX = 0,
+        maxX = 0,
+        minY = 0;
+    var c, k;
+
+    for (k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+      minX = Math.min(minX, template[k].x);
+      maxX = Math.max(maxX, template[k].x);
+      minY = Math.min(minY, template[k].y);
+
+      if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
+        reuseMask |= 1 << templateLength - 1 - k;
+      } else {
+        changingTemplateEntries.push(k);
+      }
+    }
+
+    var changingEntriesLength = changingTemplateEntries.length;
+    var changingTemplateX = new Int8Array(changingEntriesLength);
+    var changingTemplateY = new Int8Array(changingEntriesLength);
+    var changingTemplateBit = new Uint16Array(changingEntriesLength);
+
+    for (c = 0; c < changingEntriesLength; c++) {
+      k = changingTemplateEntries[c];
+      changingTemplateX[c] = template[k].x;
+      changingTemplateY[c] = template[k].y;
+      changingTemplateBit[c] = 1 << templateLength - 1 - k;
+    }
+
+    var sbb_left = -minX;
+    var sbb_top = -minY;
+    var sbb_right = width - maxX;
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var row = new Uint8Array(width);
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var ltp = 0,
+        j,
+        i0,
+        j0,
+        contextLabel = 0,
+        bit,
+        shift;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          bitmap.push(row);
+          continue;
+        }
+      }
+
+      row = new Uint8Array(row);
+      bitmap.push(row);
+
+      for (j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+
+        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
+          contextLabel = contextLabel << 1 & reuseMask;
+
+          for (k = 0; k < changingEntriesLength; k++) {
+            i0 = i + changingTemplateY[k];
+            j0 = j + changingTemplateX[k];
+            bit = bitmap[i0][j0];
+
+            if (bit) {
+              bit = changingTemplateBit[k];
+              contextLabel |= bit;
+            }
+          }
+        } else {
+          contextLabel = 0;
+          shift = templateLength - 1;
+
+          for (k = 0; k < templateLength; k++, shift--) {
+            j0 = j + templateX[k];
+
+            if (j0 >= 0 && j0 < width) {
+              i0 = i + templateY[k];
+
+              if (i0 >= 0) {
+                bit = bitmap[i0][j0];
+
+                if (bit) {
+                  contextLabel |= bit << shift;
+                }
+              }
+            }
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+
+    if (templateIndex === 0) {
+      codingTemplate = codingTemplate.concat([at[0]]);
+    }
+
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    var k;
+
+    for (k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+
+    if (templateIndex === 0) {
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    }
+
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+
+    for (k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GR");
+    var ltp = 0;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          throw new Jbig2Error("prediction is not supported");
+        }
+      }
+
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var j = 0; j < width; j++) {
+        var i0, j0;
+        var contextLabel = 0;
+
+        for (k = 0; k < codingTemplateLength; k++) {
+          i0 = i + codingTemplateY[k];
+          j0 = j + codingTemplateX[k];
+
+          if (i0 < 0 || j0 < 0 || j0 >= width) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | bitmap[i0][j0];
+          }
+        }
+
+        for (k = 0; k < referenceTemplateLength; k++) {
+          i0 = i + referenceTemplateY[k] - offsetY;
+          j0 = j + referenceTemplateX[k] - offsetX;
+
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("symbol refinement with Huffman is not supported");
+    }
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    let tableB1, symbolWidths;
+
+    if (huffman) {
+      tableB1 = getStandardTable(1);
+      symbolWidths = [];
+      symbolCodeLength = Math.max(symbolCodeLength, 1);
+    }
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
+      currentHeight += deltaHeight;
+      let currentWidth = 0,
+          totalWidth = 0;
+      const firstSymbol = huffman ? symbolWidths.length : 0;
+
+      while (true) {
+        var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
+
+        if (deltaWidth === null) {
+          break;
+        }
+
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+
+        if (refinement) {
+          var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
+
+          if (numberOfInstances > 1) {
+            bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
+          } else {
+            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+            var rdx = decodeInteger(contextCache, "IARDX", decoder);
+            var rdy = decodeInteger(contextCache, "IARDY", decoder);
+            var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
+            bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
+          }
+
+          newSymbols.push(bitmap);
+        } else if (huffman) {
+          symbolWidths.push(currentWidth);
+        } else {
+          bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
+          newSymbols.push(bitmap);
+        }
+      }
+
+      if (huffman && !refinement) {
+        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
+        huffmanInput.byteAlign();
+        let collectiveBitmap;
+
+        if (bitmapSize === 0) {
+          collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
+        } else {
+          const originalEnd = huffmanInput.end;
+          const bitmapEnd = huffmanInput.position + bitmapSize;
+          huffmanInput.end = bitmapEnd;
+          collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
+          huffmanInput.end = originalEnd;
+          huffmanInput.position = bitmapEnd;
+        }
+
+        const numberOfSymbolsDecoded = symbolWidths.length;
+
+        if (firstSymbol === numberOfSymbolsDecoded - 1) {
+          newSymbols.push(collectiveBitmap);
+        } else {
+          let i,
+              y,
+              xMin = 0,
+              xMax,
+              bitmapWidth,
+              symbolBitmap;
+
+          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {
+            bitmapWidth = symbolWidths[i];
+            xMax = xMin + bitmapWidth;
+            symbolBitmap = [];
+
+            for (y = 0; y < currentHeight; y++) {
+              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+            }
+
+            newSymbols.push(symbolBitmap);
+            xMin = xMax;
+          }
+        }
+      }
+    }
+
+    var exportedSymbols = [];
+    var flags = [],
+        currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+
+    while (flags.length < totalSymbolsLength) {
+      var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
+
+      while (runLength--) {
+        flags.push(currentFlag);
+      }
+
+      currentFlag = !currentFlag;
+    }
+
+    for (var i = 0, ii = symbols.length; i < ii; i++) {
+      if (flags[i]) {
+        exportedSymbols.push(symbols[i]);
+      }
+    }
+
+    for (var j = 0; j < numberOfNewSymbols; i++, j++) {
+      if (flags[i]) {
+        exportedSymbols.push(newSymbols[j]);
+      }
+    }
+
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    var bitmap = [];
+    var i, row;
+
+    for (i = 0; i < height; i++) {
+      row = new Uint8Array(width);
+
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
+    var firstS = 0;
+    i = 0;
+
+    while (i < numberOfSymbolInstances) {
+      var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
+      stripT += deltaT;
+      var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
+      firstS += deltaFirstS;
+      var currentS = firstS;
+
+      do {
+        let currentT = 0;
+
+        if (stripSize > 1) {
+          currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
+        }
+
+        var t = stripSize * stripT + currentT;
+        var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, "IARDW", decoder);
+          var rdh = decodeInteger(contextCache, "IARDH", decoder);
+          var rdx = decodeInteger(contextCache, "IARDX", decoder);
+          var rdy = decodeInteger(contextCache, "IARDY", decoder);
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
+        }
+
+        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
+        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
+        var s2, t2, symbolRow;
+
+        if (transposed) {
+          for (s2 = 0; s2 < symbolHeight; s2++) {
+            row = bitmap[offsetS + s2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[s2];
+            var maxWidth = Math.min(width - offsetT, symbolWidth);
+
+            switch (combinationOperator) {
+              case 0:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] |= symbolRow[t2];
+                }
+
+                break;
+
+              case 2:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] ^= symbolRow[t2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolHeight - 1;
+        } else {
+          for (t2 = 0; t2 < symbolHeight; t2++) {
+            row = bitmap[offsetT + t2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[t2];
+
+            switch (combinationOperator) {
+              case 0:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] |= symbolRow[s2];
+                }
+
+                break;
+
+              case 2:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] ^= symbolRow[s2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolWidth - 1;
+        }
+
+        i++;
+        var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
+
+        if (deltaS === null) {
+          break;
+        }
+
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+
+    return bitmap;
+  }
+
+  function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: -patternWidth,
+        y: 0
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;
+    const collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
+    const patterns = [];
+
+    for (let i = 0; i <= maxPatternIndex; i++) {
+      const patternBitmap = [];
+      const xMin = patternWidth * i;
+      const xMax = xMin + patternWidth;
+
+      for (let y = 0; y < patternHeight; y++) {
+        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+      }
+
+      patterns.push(patternBitmap);
+    }
+
+    return patterns;
+  }
+
+  function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
+    const skip = null;
+
+    if (enableSkip) {
+      throw new Jbig2Error("skip is not supported");
+    }
+
+    if (combinationOperator !== 0) {
+      throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
+    }
+
+    const regionBitmap = [];
+    let i, j, row;
+
+    for (i = 0; i < regionHeight; i++) {
+      row = new Uint8Array(regionWidth);
+
+      if (defaultPixelValue) {
+        for (j = 0; j < regionWidth; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      regionBitmap.push(row);
+    }
+
+    const numberOfPatterns = patterns.length;
+    const pattern0 = patterns[0];
+    const patternWidth = pattern0[0].length,
+          patternHeight = pattern0.length;
+    const bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: template <= 1 ? 3 : 2,
+        y: -1
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const grayScaleBitPlanes = [];
+    let mmrInput, bitmap;
+
+    if (mmr) {
+      mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+    }
+
+    for (i = bitsPerValue - 1; i >= 0; i--) {
+      if (mmr) {
+        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
+      } else {
+        bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
+      }
+
+      grayScaleBitPlanes[i] = bitmap;
+    }
+
+    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
+
+    for (mg = 0; mg < gridHeight; mg++) {
+      for (ng = 0; ng < gridWidth; ng++) {
+        bit = 0;
+        patternIndex = 0;
+
+        for (j = bitsPerValue - 1; j >= 0; j--) {
+          bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
+          patternIndex |= bit << j;
+        }
+
+        patternBitmap = patterns[patternIndex];
+        x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
+        y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
+
+        if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
+          for (i = 0; i < patternHeight; i++) {
+            regionRow = regionBitmap[y + i];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionRow[x + j] |= patternRow[j];
+            }
+          }
+        } else {
+          let regionX, regionY;
+
+          for (i = 0; i < patternHeight; i++) {
+            regionY = y + i;
+
+            if (regionY < 0 || regionY >= regionHeight) {
+              continue;
+            }
+
+            regionRow = regionBitmap[regionY];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionX = x + j;
+
+              if (regionX >= 0 && regionX < regionWidth) {
+                regionRow[regionX] |= patternRow[j];
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return regionBitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = (0, _core_utils.readUint32)(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3f;
+
+    if (!SegmentTypes[segmentType]) {
+      throw new Jbig2Error("invalid segment type: " + segmentType);
+    }
+
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = referredFlags >> 5 & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+
+    if (referredFlags === 7) {
+      referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
+      position += 3;
+      var bytes = referredToCount + 7 >> 3;
+      retainBits[0] = data[position++];
+
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags === 5 || referredFlags === 6) {
+      throw new Jbig2Error("invalid referred-to flags");
+    }
+
+    segmentHeader.retainBits = retainBits;
+    let referredToSegmentNumberSize = 4;
+
+    if (segmentHeader.number <= 256) {
+      referredToSegmentNumberSize = 1;
+    } else if (segmentHeader.number <= 65536) {
+      referredToSegmentNumberSize = 2;
+    }
+
+    var referredTo = [];
+    var i, ii;
+
+    for (i = 0; i < referredToCount; i++) {
+      let number;
+
+      if (referredToSegmentNumberSize === 1) {
+        number = data[position];
+      } else if (referredToSegmentNumberSize === 2) {
+        number = (0, _core_utils.readUint16)(data, position);
+      } else {
+        number = (0, _core_utils.readUint32)(data, position);
+      }
+
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+
+    segmentHeader.referredTo = referredTo;
+
+    if (!pageAssociationFieldSize) {
+      segmentHeader.pageAssociation = data[position++];
+    } else {
+      segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    segmentHeader.length = (0, _core_utils.readUint32)(data, position);
+    position += 4;
+
+    if (segmentHeader.length === 0xffffffff) {
+      if (segmentType === 38) {
+        var genericRegionInfo = readRegionSegmentInformation(data, position);
+        var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
+        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
+        var searchPatternLength = 6;
+        var searchPattern = new Uint8Array(searchPatternLength);
+
+        if (!genericRegionMmr) {
+          searchPattern[0] = 0xff;
+          searchPattern[1] = 0xac;
+        }
+
+        searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
+        searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
+        searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
+        searchPattern[5] = genericRegionInfo.height & 0xff;
+
+        for (i = position, ii = data.length; i < ii; i++) {
+          var j = 0;
+
+          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
+            j++;
+          }
+
+          if (j === searchPatternLength) {
+            segmentHeader.length = i + searchPatternLength;
+            break;
+          }
+        }
+
+        if (segmentHeader.length === 0xffffffff) {
+          throw new Jbig2Error("segment end was not found");
+        }
+      } else {
+        throw new Jbig2Error("invalid unknown segment length");
+      }
+    }
+
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data
+      };
+
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+
+      segments.push(segment);
+
+      if (segmentHeader.type === 51) {
+        break;
+      }
+    }
+
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+
+    return segments;
+  }
+
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: (0, _core_utils.readUint32)(data, start),
+      height: (0, _core_utils.readUint32)(data, start + 4),
+      x: (0, _core_utils.readUint32)(data, start + 8),
+      y: (0, _core_utils.readUint32)(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+    var data = segment.data,
+        position = segment.start,
+        end = segment.end;
+    var args, at, i, atLength;
+
+    switch (header.type) {
+      case 0:
+        var dictionary = {};
+        var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+        dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+        dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+        dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = dictionaryFlags >> 10 & 3;
+        dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+        position += 2;
+
+        if (!dictionary.huffman) {
+          atLength = dictionary.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.at = at;
+        }
+
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.refinementAt = at;
+        }
+
+        dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo, data, position, end];
+        break;
+
+      case 6:
+      case 7:
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
+        textRegion.stripSize = 1 << textRegion.logStripSize;
+        textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+        textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+        textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+        textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+          textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+          textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+          textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+          textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+          textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+          textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+          textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
+        }
+
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          textRegion.refinementAt = at;
+        }
+
+        textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+
+      case 16:
+        const patternDictionary = {};
+        const patternDictionaryFlags = data[position++];
+        patternDictionary.mmr = !!(patternDictionaryFlags & 1);
+        patternDictionary.template = patternDictionaryFlags >> 1 & 3;
+        patternDictionary.patternWidth = data[position++];
+        patternDictionary.patternHeight = data[position++];
+        patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [patternDictionary, header.number, data, position, end];
+        break;
+
+      case 22:
+      case 23:
+        const halftoneRegion = {};
+        halftoneRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        const halftoneRegionFlags = data[position++];
+        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
+        halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
+        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
+        halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
+        halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
+        halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        args = [halftoneRegion, header.referredTo, data, position, end];
+        break;
+
+      case 38:
+      case 39:
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+
+        if (!genericRegion.mmr) {
+          atLength = genericRegion.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          genericRegion.at = at;
+        }
+
+        args = [genericRegion, data, position, end];
+        break;
+
+      case 48:
+        var pageInfo = {
+          width: (0, _core_utils.readUint32)(data, position),
+          height: (0, _core_utils.readUint32)(data, position + 4),
+          resolutionX: (0, _core_utils.readUint32)(data, position + 8),
+          resolutionY: (0, _core_utils.readUint32)(data, position + 12)
+        };
+
+        if (pageInfo.height === 0xffffffff) {
+          delete pageInfo.height;
+        }
+
+        var pageSegmentFlags = data[position + 16];
+        (0, _core_utils.readUint16)(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+        pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+
+      case 49:
+        break;
+
+      case 50:
+        break;
+
+      case 51:
+        break;
+
+      case 53:
+        args = [header.number, data, position, end];
+        break;
+
+      case 62:
+        break;
+
+      default:
+        throw new Jbig2Error(`segment type ${header.typeName}(${header.type})` + " is not implemented");
+    }
+
+    var callbackName = "on" + header.typeName;
+
+    if (callbackName in visitor) {
+      visitor[callbackName].apply(visitor, args);
+    }
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++) {
+      processSegment(segments[i], visitor);
+    }
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+
+    return visitor.buffer;
+  }
+
+  function parseJbig2(data) {
+    const end = data.length;
+    let position = 0;
+
+    if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
+      throw new Jbig2Error("parseJbig2 - invalid header.");
+    }
+
+    const header = Object.create(null);
+    position += 8;
+    const flags = data[position++];
+    header.randomAccess = !(flags & 1);
+
+    if (!(flags & 2)) {
+      header.numberOfPages = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    const segments = readSegments(header, data, position, end);
+    const visitor = new SimpleSegmentVisitor();
+    processSegments(segments, visitor);
+    const {
+      width,
+      height
+    } = visitor.currentPageInfo;
+    const bitPacked = visitor.buffer;
+    const imgData = new Uint8ClampedArray(width * height);
+    let q = 0,
+        k = 0;
+
+    for (let i = 0; i < height; i++) {
+      let mask = 0,
+          buffer;
+
+      for (let j = 0; j < width; j++) {
+        if (!mask) {
+          mask = 128;
+          buffer = bitPacked[k++];
+        }
+
+        imgData[q++] = buffer & mask ? 0 : 255;
+        mask >>= 1;
+      }
+    }
+
+    return {
+      imgData,
+      width,
+      height
+    };
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = info.width + 7 >> 3;
+      var buffer = new Uint8ClampedArray(rowSize * info.height);
+
+      if (info.defaultPixelValue) {
+        for (var i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = 0xff;
+        }
+      }
+
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width,
+          height = regionInfo.height;
+      var rowSize = pageInfo.width + 7 >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      var mask0 = 128 >> (regionInfo.x & 7);
+      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
+      var i, j, mask, offset;
+
+      switch (combinationOperator) {
+        case 0:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] |= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        case 2:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] ^= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        default:
+          throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+      }
+    },
+    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
+      let huffmanTables, huffmanInput;
+
+      if (dictionary.huffman) {
+        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
+        huffmanInput = new Reader(data, start, end);
+      }
+
+      var symbols = this.symbols;
+
+      if (!symbols) {
+        this.symbols = symbols = {};
+      }
+
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
+    },
+    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
+      var regionInfo = region.info;
+      let huffmanTables, huffmanInput;
+      var symbols = this.symbols;
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
+
+      if (region.huffman) {
+        huffmanInput = new Reader(data, start, end);
+        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+      this.onImmediateTextRegion.apply(this, arguments);
+    },
+
+    onPatternDictionary(dictionary, currentSegment, data, start, end) {
+      let patterns = this.patterns;
+
+      if (!patterns) {
+        this.patterns = patterns = {};
+      }
+
+      const decodingContext = new DecodingContext(data, start, end);
+      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
+    },
+
+    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
+      const patterns = this.patterns[referredSegments[0]];
+      const regionInfo = region.info;
+      const decodingContext = new DecodingContext(data, start, end);
+      const bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+
+    onImmediateLosslessHalftoneRegion() {
+      this.onImmediateHalftoneRegion.apply(this, arguments);
+    },
+
+    onTables(currentSegment, data, start, end) {
+      let customTables = this.customTables;
+
+      if (!customTables) {
+        this.customTables = customTables = {};
+      }
+
+      customTables[currentSegment] = decodeTablesSegment(data, start, end);
+    }
+
+  };
+
+  function HuffmanLine(lineData) {
+    if (lineData.length === 2) {
+      this.isOOB = true;
+      this.rangeLow = 0;
+      this.prefixLength = lineData[0];
+      this.rangeLength = 0;
+      this.prefixCode = lineData[1];
+      this.isLowerRange = false;
+    } else {
+      this.isOOB = false;
+      this.rangeLow = lineData[0];
+      this.prefixLength = lineData[1];
+      this.rangeLength = lineData[2];
+      this.prefixCode = lineData[3];
+      this.isLowerRange = lineData[4] === "lower";
+    }
+  }
+
+  function HuffmanTreeNode(line) {
+    this.children = [];
+
+    if (line) {
+      this.isLeaf = true;
+      this.rangeLength = line.rangeLength;
+      this.rangeLow = line.rangeLow;
+      this.isLowerRange = line.isLowerRange;
+      this.isOOB = line.isOOB;
+    } else {
+      this.isLeaf = false;
+    }
+  }
+
+  HuffmanTreeNode.prototype = {
+    buildTree(line, shift) {
+      const bit = line.prefixCode >> shift & 1;
+
+      if (shift <= 0) {
+        this.children[bit] = new HuffmanTreeNode(line);
+      } else {
+        let node = this.children[bit];
+
+        if (!node) {
+          this.children[bit] = node = new HuffmanTreeNode(null);
+        }
+
+        node.buildTree(line, shift - 1);
+      }
+    },
+
+    decodeNode(reader) {
+      if (this.isLeaf) {
+        if (this.isOOB) {
+          return null;
+        }
+
+        const htOffset = reader.readBits(this.rangeLength);
+        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
+      }
+
+      const node = this.children[reader.readBit()];
+
+      if (!node) {
+        throw new Jbig2Error("invalid Huffman data");
+      }
+
+      return node.decodeNode(reader);
+    }
+
+  };
+
+  function HuffmanTable(lines, prefixCodesDone) {
+    if (!prefixCodesDone) {
+      this.assignPrefixCodes(lines);
+    }
+
+    this.rootNode = new HuffmanTreeNode(null);
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      const line = lines[i];
+
+      if (line.prefixLength > 0) {
+        this.rootNode.buildTree(line, line.prefixLength - 1);
+      }
+    }
+  }
+
+  HuffmanTable.prototype = {
+    decode(reader) {
+      return this.rootNode.decodeNode(reader);
+    },
+
+    assignPrefixCodes(lines) {
+      const linesLength = lines.length;
+      let prefixLengthMax = 0;
+
+      for (let i = 0; i < linesLength; i++) {
+        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
+      }
+
+      const histogram = new Uint32Array(prefixLengthMax + 1);
+
+      for (let i = 0; i < linesLength; i++) {
+        histogram[lines[i].prefixLength]++;
+      }
+
+      let currentLength = 1,
+          firstCode = 0,
+          currentCode,
+          currentTemp,
+          line;
+      histogram[0] = 0;
+
+      while (currentLength <= prefixLengthMax) {
+        firstCode = firstCode + histogram[currentLength - 1] << 1;
+        currentCode = firstCode;
+        currentTemp = 0;
+
+        while (currentTemp < linesLength) {
+          line = lines[currentTemp];
+
+          if (line.prefixLength === currentLength) {
+            line.prefixCode = currentCode;
+            currentCode++;
+          }
+
+          currentTemp++;
+        }
+
+        currentLength++;
+      }
+    }
+
+  };
+
+  function decodeTablesSegment(data, start, end) {
+    const flags = data[start];
+    const lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
+    const highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
+    const reader = new Reader(data, start + 9, end);
+    const prefixSizeBits = (flags >> 1 & 7) + 1;
+    const rangeSizeBits = (flags >> 4 & 7) + 1;
+    const lines = [];
+    let prefixLength,
+        rangeLength,
+        currentRangeLow = lowestValue;
+
+    do {
+      prefixLength = reader.readBits(prefixSizeBits);
+      rangeLength = reader.readBits(rangeSizeBits);
+      lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
+      currentRangeLow += 1 << rangeLength;
+    } while (currentRangeLow < highestValue);
+
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
+
+    if (flags & 1) {
+      prefixLength = reader.readBits(prefixSizeBits);
+      lines.push(new HuffmanLine([prefixLength, 0]));
+    }
+
+    return new HuffmanTable(lines, false);
+  }
+
+  const standardTablesCache = {};
+
+  function getStandardTable(number) {
+    let table = standardTablesCache[number];
+
+    if (table) {
+      return table;
+    }
+
+    let lines;
+
+    switch (number) {
+      case 1:
+        lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
+        break;
+
+      case 2:
+        lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
+        break;
+
+      case 3:
+        lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
+        break;
+
+      case 4:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
+        break;
+
+      case 5:
+        lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
+        break;
+
+      case 6:
+        lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
+        break;
+
+      case 7:
+        lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
+        break;
+
+      case 8:
+        lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
+        break;
+
+      case 9:
+        lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
+        break;
+
+      case 10:
+        lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
+        break;
+
+      case 11:
+        lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 12:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
+        break;
+
+      case 13:
+        lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 14:
+        lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
+        break;
+
+      case 15:
+        lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
+        break;
+
+      default:
+        throw new Jbig2Error(`standard table B.${number} does not exist`);
+    }
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      lines[i] = new HuffmanLine(lines[i]);
+    }
+
+    table = new HuffmanTable(lines, true);
+    standardTablesCache[number] = table;
+    return table;
+  }
+
+  function Reader(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+    this.position = start;
+    this.shift = -1;
+    this.currentByte = 0;
+  }
+
+  Reader.prototype = {
+    readBit() {
+      if (this.shift < 0) {
+        if (this.position >= this.end) {
+          throw new Jbig2Error("end of data while reading bit");
+        }
+
+        this.currentByte = this.data[this.position++];
+        this.shift = 7;
+      }
+
+      const bit = this.currentByte >> this.shift & 1;
+      this.shift--;
+      return bit;
+    },
+
+    readBits(numBits) {
+      let result = 0,
+          i;
+
+      for (i = numBits - 1; i >= 0; i--) {
+        result |= this.readBit() << i;
+      }
+
+      return result;
+    },
+
+    byteAlign() {
+      this.shift = -1;
+    },
+
+    next() {
+      if (this.position >= this.end) {
+        return -1;
+      }
+
+      return this.data[this.position++];
+    }
+
+  };
+
+  function getCustomHuffmanTable(index, referredTo, customTables) {
+    let currentIndex = 0;
+
+    for (let i = 0, ii = referredTo.length; i < ii; i++) {
+      const table = customTables[referredTo[i]];
+
+      if (table) {
+        if (index === currentIndex) {
+          return table;
+        }
+
+        currentIndex++;
+      }
+    }
+
+    throw new Jbig2Error("can't find custom Huffman table");
+  }
+
+  function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
+    const codes = [];
+
+    for (let i = 0; i <= 34; i++) {
+      const codeLength = reader.readBits(4);
+      codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+    }
+
+    const runCodesTable = new HuffmanTable(codes, false);
+    codes.length = 0;
+
+    for (let i = 0; i < numberOfSymbols;) {
+      const codeLength = runCodesTable.decode(reader);
+
+      if (codeLength >= 32) {
+        let repeatedLength, numberOfRepeats, j;
+
+        switch (codeLength) {
+          case 32:
+            if (i === 0) {
+              throw new Jbig2Error("no previous value in symbol ID table");
+            }
+
+            numberOfRepeats = reader.readBits(2) + 3;
+            repeatedLength = codes[i - 1].prefixLength;
+            break;
+
+          case 33:
+            numberOfRepeats = reader.readBits(3) + 3;
+            repeatedLength = 0;
+            break;
+
+          case 34:
+            numberOfRepeats = reader.readBits(7) + 11;
+            repeatedLength = 0;
+            break;
+
+          default:
+            throw new Jbig2Error("invalid code length in symbol ID table");
+        }
+
+        for (j = 0; j < numberOfRepeats; j++) {
+          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));
+          i++;
+        }
+      } else {
+        codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+        i++;
+      }
+    }
+
+    reader.byteAlign();
+    const symbolIDTable = new HuffmanTable(codes, false);
+    let customIndex = 0,
+        tableFirstS,
+        tableDeltaS,
+        tableDeltaT;
+
+    switch (textRegion.huffmanFS) {
+      case 0:
+      case 1:
+        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
+        break;
+
+      case 3:
+        tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman FS selector");
+    }
+
+    switch (textRegion.huffmanDS) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
+        break;
+
+      case 3:
+        tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DS selector");
+    }
+
+    switch (textRegion.huffmanDT) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
+        break;
+
+      case 3:
+        tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DT selector");
+    }
+
+    if (textRegion.refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    return {
+      symbolIDTable,
+      tableFirstS,
+      tableDeltaS,
+      tableDeltaT
+    };
+  }
+
+  function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
+    let customIndex = 0,
+        tableDeltaHeight,
+        tableDeltaWidth;
+
+    switch (dictionary.huffmanDHSelector) {
+      case 0:
+      case 1:
+        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
+        break;
+
+      case 3:
+        tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DH selector");
+    }
+
+    switch (dictionary.huffmanDWSelector) {
+      case 0:
+      case 1:
+        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
+        break;
+
+      case 3:
+        tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DW selector");
+    }
+
+    let tableBitmapSize, tableAggregateInstances;
+
+    if (dictionary.bitmapSizeSelector) {
+      tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
+      customIndex++;
+    } else {
+      tableBitmapSize = getStandardTable(1);
+    }
+
+    if (dictionary.aggregationInstancesSelector) {
+      tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
+    } else {
+      tableAggregateInstances = getStandardTable(1);
+    }
+
+    return {
+      tableDeltaHeight,
+      tableDeltaWidth,
+      tableBitmapSize,
+      tableAggregateInstances
+    };
+  }
+
+  function readUncompressedBitmap(reader, width, height) {
+    const bitmap = [];
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (let x = 0; x < width; x++) {
+        row[x] = reader.readBit();
+      }
+
+      reader.byteAlign();
+    }
+
+    return bitmap;
+  }
+
+  function decodeMMRBitmap(input, width, height, endOfBlock) {
+    const params = {
+      K: -1,
+      Columns: width,
+      Rows: height,
+      BlackIs1: true,
+      EndOfBlock: endOfBlock
+    };
+    const decoder = new _ccitt.CCITTFaxDecoder(input, params);
+    const bitmap = [];
+    let currentByte,
+        eof = false;
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+      let shift = -1;
+
+      for (let x = 0; x < width; x++) {
+        if (shift < 0) {
+          currentByte = decoder.readNextChar();
+
+          if (currentByte === -1) {
+            currentByte = 0;
+            eof = true;
+          }
+
+          shift = 7;
+        }
+
+        row[x] = currentByte >> shift & 1;
+        shift--;
+      }
+    }
+
+    if (endOfBlock && !eof) {
+      const lookForEOFLimit = 5;
+
+      for (let i = 0; i < lookForEOFLimit; i++) {
+        if (decoder.readNextChar() === -1) {
+          break;
+        }
+      }
+    }
+
+    return bitmap;
+  }
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    },
+
+    parse(data) {
+      const {
+        imgData,
+        width,
+        height
+      } = parseJbig2(data);
+      this.width = width;
+      this.height = height;
+      return imgData;
+    }
+
+  };
+  return Jbig2Image;
+}();
+
+exports.Jbig2Image = Jbig2Image;
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ArithmeticDecoder = void 0;
+const QeTable = [{
+  qe: 0x5601,
+  nmps: 1,
+  nlps: 1,
+  switchFlag: 1
+}, {
+  qe: 0x3401,
+  nmps: 2,
+  nlps: 6,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 3,
+  nlps: 9,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 4,
+  nlps: 12,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 5,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 38,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 7,
+  nlps: 6,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 8,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 9,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 10,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 11,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 12,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 13,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 29,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 15,
+  nlps: 14,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 16,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x5101,
+  nmps: 17,
+  nlps: 15,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 18,
+  nlps: 16,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 19,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x3401,
+  nmps: 20,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 21,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2801,
+  nmps: 22,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 23,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x2201,
+  nmps: 24,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 25,
+  nlps: 22,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 26,
+  nlps: 23,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 27,
+  nlps: 24,
+  switchFlag: 0
+}, {
+  qe: 0x1401,
+  nmps: 28,
+  nlps: 25,
+  switchFlag: 0
+}, {
+  qe: 0x1201,
+  nmps: 29,
+  nlps: 26,
+  switchFlag: 0
+}, {
+  qe: 0x1101,
+  nmps: 30,
+  nlps: 27,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 31,
+  nlps: 28,
+  switchFlag: 0
+}, {
+  qe: 0x09c1,
+  nmps: 32,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x08a1,
+  nmps: 33,
+  nlps: 30,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 34,
+  nlps: 31,
+  switchFlag: 0
+}, {
+  qe: 0x0441,
+  nmps: 35,
+  nlps: 32,
+  switchFlag: 0
+}, {
+  qe: 0x02a1,
+  nmps: 36,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 37,
+  nlps: 34,
+  switchFlag: 0
+}, {
+  qe: 0x0141,
+  nmps: 38,
+  nlps: 35,
+  switchFlag: 0
+}, {
+  qe: 0x0111,
+  nmps: 39,
+  nlps: 36,
+  switchFlag: 0
+}, {
+  qe: 0x0085,
+  nmps: 40,
+  nlps: 37,
+  switchFlag: 0
+}, {
+  qe: 0x0049,
+  nmps: 41,
+  nlps: 38,
+  switchFlag: 0
+}, {
+  qe: 0x0025,
+  nmps: 42,
+  nlps: 39,
+  switchFlag: 0
+}, {
+  qe: 0x0015,
+  nmps: 43,
+  nlps: 40,
+  switchFlag: 0
+}, {
+  qe: 0x0009,
+  nmps: 44,
+  nlps: 41,
+  switchFlag: 0
+}, {
+  qe: 0x0005,
+  nmps: 45,
+  nlps: 42,
+  switchFlag: 0
+}, {
+  qe: 0x0001,
+  nmps: 45,
+  nlps: 43,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 46,
+  nlps: 46,
+  switchFlag: 0
+}];
+
+class ArithmeticDecoder {
+  constructor(data, start, end) {
+    this.data = data;
+    this.bp = start;
+    this.dataEnd = end;
+    this.chigh = data[start];
+    this.clow = 0;
+    this.byteIn();
+    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
+    this.clow = this.clow << 7 & 0xffff;
+    this.ct -= 7;
+    this.a = 0x8000;
+  }
+
+  byteIn() {
+    const data = this.data;
+    let bp = this.bp;
+
+    if (data[bp] === 0xff) {
+      if (data[bp + 1] > 0x8f) {
+        this.clow += 0xff00;
+        this.ct = 8;
+      } else {
+        bp++;
+        this.clow += data[bp] << 9;
+        this.ct = 7;
+        this.bp = bp;
+      }
+    } else {
+      bp++;
+      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
+      this.ct = 8;
+      this.bp = bp;
+    }
+
+    if (this.clow > 0xffff) {
+      this.chigh += this.clow >> 16;
+      this.clow &= 0xffff;
+    }
+  }
+
+  readBit(contexts, pos) {
+    let cx_index = contexts[pos] >> 1,
+        cx_mps = contexts[pos] & 1;
+    const qeTableIcx = QeTable[cx_index];
+    const qeIcx = qeTableIcx.qe;
+    let d;
+    let a = this.a - qeIcx;
+
+    if (this.chigh < qeIcx) {
+      if (a < qeIcx) {
+        a = qeIcx;
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      } else {
+        a = qeIcx;
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      }
+    } else {
+      this.chigh -= qeIcx;
+
+      if ((a & 0x8000) !== 0) {
+        this.a = a;
+        return cx_mps;
+      }
+
+      if (a < qeIcx) {
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      } else {
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      }
+    }
+
+    do {
+      if (this.ct === 0) {
+        this.byteIn();
+      }
+
+      a <<= 1;
+      this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
+      this.clow = this.clow << 1 & 0xffff;
+      this.ct--;
+    } while ((a & 0x8000) === 0);
+
+    this.a = a;
+    contexts[pos] = cx_index << 1 | cx_mps;
+    return d;
+  }
+
+}
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegStream = void 0;
+
+var _stream = __w_pdfjs_require__(12);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _jpg = __w_pdfjs_require__(19);
+
+var _util = __w_pdfjs_require__(2);
+
+const JpegStream = function JpegStreamClosure() {
+  function JpegStream(stream, maybeLength, dict, params) {
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === 0xff) {
+        stream.skip(-1);
+        break;
+      }
+    }
+
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpegStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpegStream.prototype, "bytes", {
+    get: function JpegStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpegStream.prototype.ensureBuffer = function (requested) {};
+
+  JpegStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jpegOptions = {
+      decodeTransform: undefined,
+      colorTransform: undefined
+    };
+    const decodeArr = this.dict.getArray("Decode", "D");
+
+    if (this.forceRGB && Array.isArray(decodeArr)) {
+      const bitsPerComponent = this.dict.get("BitsPerComponent") || 8;
+      const decodeArrLength = decodeArr.length;
+      const transform = new Int32Array(decodeArrLength);
+      let transformNeeded = false;
+      const maxValue = (1 << bitsPerComponent) - 1;
+
+      for (let i = 0; i < decodeArrLength; i += 2) {
+        transform[i] = (decodeArr[i + 1] - decodeArr[i]) * 256 | 0;
+        transform[i + 1] = decodeArr[i] * maxValue | 0;
+
+        if (transform[i] !== 256 || transform[i + 1] !== 0) {
+          transformNeeded = true;
+        }
+      }
+
+      if (transformNeeded) {
+        jpegOptions.decodeTransform = transform;
+      }
+    }
+
+    if ((0, _primitives.isDict)(this.params)) {
+      const colorTransform = this.params.get("ColorTransform");
+
+      if (Number.isInteger(colorTransform)) {
+        jpegOptions.colorTransform = colorTransform;
+      }
+    }
+
+    const jpegImage = new _jpg.JpegImage(jpegOptions);
+    jpegImage.parse(this.bytes);
+    const data = jpegImage.getData({
+      width: this.drawWidth,
+      height: this.drawHeight,
+      forceRGB: this.forceRGB,
+      isSourcePDF: true
+    });
+    this.buffer = data;
+    this.bufferLength = data.length;
+    this.eof = true;
+  };
+
+  return JpegStream;
+}();
+
+exports.JpegStream = JpegStream;
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegImage = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+class JpegError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPEG error: ${msg}`);
+  }
+
+}
+
+class DNLMarkerError extends _util.BaseException {
+  constructor(message, scanLines) {
+    super(message);
+    this.scanLines = scanLines;
+  }
+
+}
+
+class EOIMarkerError extends _util.BaseException {}
+
+var JpegImage = function JpegImageClosure() {
+  var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
+  var dctCos1 = 4017;
+  var dctSin1 = 799;
+  var dctCos3 = 3406;
+  var dctSin3 = 2276;
+  var dctCos6 = 1567;
+  var dctSin6 = 3784;
+  var dctSqrt2 = 5793;
+  var dctSqrt1d2 = 2896;
+
+  function JpegImage({
+    decodeTransform = null,
+    colorTransform = -1
+  } = {}) {
+    this._decodeTransform = decodeTransform;
+    this._colorTransform = colorTransform;
+  }
+
+  function buildHuffmanTable(codeLengths, values) {
+    var k = 0,
+        code = [],
+        i,
+        j,
+        length = 16;
+
+    while (length > 0 && !codeLengths[length - 1]) {
+      length--;
+    }
+
+    code.push({
+      children: [],
+      index: 0
+    });
+    var p = code[0],
+        q;
+
+    for (i = 0; i < length; i++) {
+      for (j = 0; j < codeLengths[i]; j++) {
+        p = code.pop();
+        p.children[p.index] = values[k];
+
+        while (p.index > 0) {
+          p = code.pop();
+        }
+
+        p.index++;
+        code.push(p);
+
+        while (code.length <= i) {
+          code.push(q = {
+            children: [],
+            index: 0
+          });
+          p.children[p.index] = q.children;
+          p = q;
+        }
+
+        k++;
+      }
+
+      if (i + 1 < length) {
+        code.push(q = {
+          children: [],
+          index: 0
+        });
+        p.children[p.index] = q.children;
+        p = q;
+      }
+    }
+
+    return code[0].children;
+  }
+
+  function getBlockBufferOffset(component, row, col) {
+    return 64 * ((component.blocksPerLine + 1) * row + col);
+  }
+
+  function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive, parseDNLMarker = false) {
+    var mcusPerLine = frame.mcusPerLine;
+    var progressive = frame.progressive;
+    const startOffset = offset;
+    let bitsData = 0,
+        bitsCount = 0;
+
+    function readBit() {
+      if (bitsCount > 0) {
+        bitsCount--;
+        return bitsData >> bitsCount & 1;
+      }
+
+      bitsData = data[offset++];
+
+      if (bitsData === 0xff) {
+        var nextByte = data[offset++];
+
+        if (nextByte) {
+          if (nextByte === 0xdc && parseDNLMarker) {
+            offset += 2;
+            const scanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            if (scanLines > 0 && scanLines !== frame.scanLines) {
+              throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
+            }
+          } else if (nextByte === 0xd9) {
+            if (parseDNLMarker) {
+              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
+
+              if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
+                throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
+              }
+            }
+
+            throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
+          }
+
+          throw new JpegError(`unexpected marker ${(bitsData << 8 | nextByte).toString(16)}`);
+        }
+      }
+
+      bitsCount = 7;
+      return bitsData >>> 7;
+    }
+
+    function decodeHuffman(tree) {
+      var node = tree;
+
+      while (true) {
+        node = node[readBit()];
+
+        switch (typeof node) {
+          case "number":
+            return node;
+
+          case "object":
+            continue;
+        }
+
+        throw new JpegError("invalid huffman sequence");
+      }
+    }
+
+    function receive(length) {
+      var n = 0;
+
+      while (length > 0) {
+        n = n << 1 | readBit();
+        length--;
+      }
+
+      return n;
+    }
+
+    function receiveAndExtend(length) {
+      if (length === 1) {
+        return readBit() === 1 ? 1 : -1;
+      }
+
+      var n = receive(length);
+
+      if (n >= 1 << length - 1) {
+        return n;
+      }
+
+      return n + (-1 << length) + 1;
+    }
+
+    function decodeBaseline(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t);
+      component.blockData[blockOffset] = component.pred += diff;
+      var k = 1;
+
+      while (k < 64) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s);
+        k++;
+      }
+    }
+
+    function decodeDCFirst(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
+      component.blockData[blockOffset] = component.pred += diff;
+    }
+
+    function decodeDCSuccessive(component, blockOffset) {
+      component.blockData[blockOffset] |= readBit() << successive;
+    }
+
+    var eobrun = 0;
+
+    function decodeACFirst(component, blockOffset) {
+      if (eobrun > 0) {
+        eobrun--;
+        return;
+      }
+
+      var k = spectralStart,
+          e = spectralEnd;
+
+      while (k <= e) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            eobrun = receive(r) + (1 << r) - 1;
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
+        k++;
+      }
+    }
+
+    var successiveACState = 0,
+        successiveACNextValue;
+
+    function decodeACSuccessive(component, blockOffset) {
+      var k = spectralStart;
+      var e = spectralEnd;
+      var r = 0;
+      var s;
+      var rs;
+
+      while (k <= e) {
+        const offsetZ = blockOffset + dctZigZag[k];
+        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;
+
+        switch (successiveACState) {
+          case 0:
+            rs = decodeHuffman(component.huffmanTableAC);
+            s = rs & 15;
+            r = rs >> 4;
+
+            if (s === 0) {
+              if (r < 15) {
+                eobrun = receive(r) + (1 << r);
+                successiveACState = 4;
+              } else {
+                r = 16;
+                successiveACState = 1;
+              }
+            } else {
+              if (s !== 1) {
+                throw new JpegError("invalid ACn encoding");
+              }
+
+              successiveACNextValue = receiveAndExtend(s);
+              successiveACState = r ? 2 : 3;
+            }
+
+            continue;
+
+          case 1:
+          case 2:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              r--;
+
+              if (r === 0) {
+                successiveACState = successiveACState === 2 ? 3 : 0;
+              }
+            }
+
+            break;
+
+          case 3:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              component.blockData[offsetZ] = successiveACNextValue << successive;
+              successiveACState = 0;
+            }
+
+            break;
+
+          case 4:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            }
+
+            break;
+        }
+
+        k++;
+      }
+
+      if (successiveACState === 4) {
+        eobrun--;
+
+        if (eobrun === 0) {
+          successiveACState = 0;
+        }
+      }
+    }
+
+    let blockRow = 0;
+
+    function decodeMcu(component, decode, mcu, row, col) {
+      var mcuRow = mcu / mcusPerLine | 0;
+      var mcuCol = mcu % mcusPerLine;
+      blockRow = mcuRow * component.v + row;
+      var blockCol = mcuCol * component.h + col;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    function decodeBlock(component, decode, mcu) {
+      blockRow = mcu / component.blocksPerLine | 0;
+      var blockCol = mcu % component.blocksPerLine;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    var componentsLength = components.length;
+    var component, i, j, k, n;
+    var decodeFn;
+
+    if (progressive) {
+      if (spectralStart === 0) {
+        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
+      } else {
+        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
+      }
+    } else {
+      decodeFn = decodeBaseline;
+    }
+
+    var mcu = 0,
+        fileMarker;
+    var mcuExpected;
+
+    if (componentsLength === 1) {
+      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
+    } else {
+      mcuExpected = mcusPerLine * frame.mcusPerColumn;
+    }
+
+    var h, v;
+
+    while (mcu <= mcuExpected) {
+      var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
+
+      if (mcuToRead > 0) {
+        for (i = 0; i < componentsLength; i++) {
+          components[i].pred = 0;
+        }
+
+        eobrun = 0;
+
+        if (componentsLength === 1) {
+          component = components[0];
+
+          for (n = 0; n < mcuToRead; n++) {
+            decodeBlock(component, decodeFn, mcu);
+            mcu++;
+          }
+        } else {
+          for (n = 0; n < mcuToRead; n++) {
+            for (i = 0; i < componentsLength; i++) {
+              component = components[i];
+              h = component.h;
+              v = component.v;
+
+              for (j = 0; j < v; j++) {
+                for (k = 0; k < h; k++) {
+                  decodeMcu(component, decodeFn, mcu, j, k);
+                }
+              }
+            }
+
+            mcu++;
+          }
+        }
+      }
+
+      bitsCount = 0;
+      fileMarker = findNextFileMarker(data, offset);
+
+      if (!fileMarker) {
+        break;
+      }
+
+      if (fileMarker.invalid) {
+        const partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
+        (0, _util.warn)(`decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`);
+        offset = fileMarker.offset;
+      }
+
+      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
+        offset += 2;
+      } else {
+        break;
+      }
+    }
+
+    return offset - startOffset;
+  }
+
+  function quantizeAndInverse(component, blockBufferOffset, p) {
+    var qt = component.quantizationTable,
+        blockData = component.blockData;
+    var v0, v1, v2, v3, v4, v5, v6, v7;
+    var p0, p1, p2, p3, p4, p5, p6, p7;
+    var t;
+
+    if (!qt) {
+      throw new JpegError("missing required Quantization Table.");
+    }
+
+    for (var row = 0; row < 64; row += 8) {
+      p0 = blockData[blockBufferOffset + row];
+      p1 = blockData[blockBufferOffset + row + 1];
+      p2 = blockData[blockBufferOffset + row + 2];
+      p3 = blockData[blockBufferOffset + row + 3];
+      p4 = blockData[blockBufferOffset + row + 4];
+      p5 = blockData[blockBufferOffset + row + 5];
+      p6 = blockData[blockBufferOffset + row + 6];
+      p7 = blockData[blockBufferOffset + row + 7];
+      p0 *= qt[row];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 512 >> 10;
+        p[row] = t;
+        p[row + 1] = t;
+        p[row + 2] = t;
+        p[row + 3] = t;
+        p[row + 4] = t;
+        p[row + 5] = t;
+        p[row + 6] = t;
+        p[row + 7] = t;
+        continue;
+      }
+
+      p1 *= qt[row + 1];
+      p2 *= qt[row + 2];
+      p3 *= qt[row + 3];
+      p4 *= qt[row + 4];
+      p5 *= qt[row + 5];
+      p6 *= qt[row + 6];
+      p7 *= qt[row + 7];
+      v0 = dctSqrt2 * p0 + 128 >> 8;
+      v1 = dctSqrt2 * p4 + 128 >> 8;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
+      v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
+      v5 = p3 << 4;
+      v6 = p5 << 4;
+      v0 = v0 + v1 + 1 >> 1;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p[row] = v0 + v7;
+      p[row + 7] = v0 - v7;
+      p[row + 1] = v1 + v6;
+      p[row + 6] = v1 - v6;
+      p[row + 2] = v2 + v5;
+      p[row + 5] = v2 - v5;
+      p[row + 3] = v3 + v4;
+      p[row + 4] = v3 - v4;
+    }
+
+    for (var col = 0; col < 8; ++col) {
+      p0 = p[col];
+      p1 = p[col + 8];
+      p2 = p[col + 16];
+      p3 = p[col + 24];
+      p4 = p[col + 32];
+      p5 = p[col + 40];
+      p6 = p[col + 48];
+      p7 = p[col + 56];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 8192 >> 14;
+
+        if (t < -2040) {
+          t = 0;
+        } else if (t >= 2024) {
+          t = 255;
+        } else {
+          t = t + 2056 >> 4;
+        }
+
+        blockData[blockBufferOffset + col] = t;
+        blockData[blockBufferOffset + col + 8] = t;
+        blockData[blockBufferOffset + col + 16] = t;
+        blockData[blockBufferOffset + col + 24] = t;
+        blockData[blockBufferOffset + col + 32] = t;
+        blockData[blockBufferOffset + col + 40] = t;
+        blockData[blockBufferOffset + col + 48] = t;
+        blockData[blockBufferOffset + col + 56] = t;
+        continue;
+      }
+
+      v0 = dctSqrt2 * p0 + 2048 >> 12;
+      v1 = dctSqrt2 * p4 + 2048 >> 12;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
+      v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
+      v5 = p3;
+      v6 = p5;
+      v0 = (v0 + v1 + 1 >> 1) + 4112;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p0 = v0 + v7;
+      p7 = v0 - v7;
+      p1 = v1 + v6;
+      p6 = v1 - v6;
+      p2 = v2 + v5;
+      p5 = v2 - v5;
+      p3 = v3 + v4;
+      p4 = v3 - v4;
+
+      if (p0 < 16) {
+        p0 = 0;
+      } else if (p0 >= 4080) {
+        p0 = 255;
+      } else {
+        p0 >>= 4;
+      }
+
+      if (p1 < 16) {
+        p1 = 0;
+      } else if (p1 >= 4080) {
+        p1 = 255;
+      } else {
+        p1 >>= 4;
+      }
+
+      if (p2 < 16) {
+        p2 = 0;
+      } else if (p2 >= 4080) {
+        p2 = 255;
+      } else {
+        p2 >>= 4;
+      }
+
+      if (p3 < 16) {
+        p3 = 0;
+      } else if (p3 >= 4080) {
+        p3 = 255;
+      } else {
+        p3 >>= 4;
+      }
+
+      if (p4 < 16) {
+        p4 = 0;
+      } else if (p4 >= 4080) {
+        p4 = 255;
+      } else {
+        p4 >>= 4;
+      }
+
+      if (p5 < 16) {
+        p5 = 0;
+      } else if (p5 >= 4080) {
+        p5 = 255;
+      } else {
+        p5 >>= 4;
+      }
+
+      if (p6 < 16) {
+        p6 = 0;
+      } else if (p6 >= 4080) {
+        p6 = 255;
+      } else {
+        p6 >>= 4;
+      }
+
+      if (p7 < 16) {
+        p7 = 0;
+      } else if (p7 >= 4080) {
+        p7 = 255;
+      } else {
+        p7 >>= 4;
+      }
+
+      blockData[blockBufferOffset + col] = p0;
+      blockData[blockBufferOffset + col + 8] = p1;
+      blockData[blockBufferOffset + col + 16] = p2;
+      blockData[blockBufferOffset + col + 24] = p3;
+      blockData[blockBufferOffset + col + 32] = p4;
+      blockData[blockBufferOffset + col + 40] = p5;
+      blockData[blockBufferOffset + col + 48] = p6;
+      blockData[blockBufferOffset + col + 56] = p7;
+    }
+  }
+
+  function buildComponentData(frame, component) {
+    var blocksPerLine = component.blocksPerLine;
+    var blocksPerColumn = component.blocksPerColumn;
+    var computationBuffer = new Int16Array(64);
+
+    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
+      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
+        var offset = getBlockBufferOffset(component, blockRow, blockCol);
+        quantizeAndInverse(component, offset, computationBuffer);
+      }
+    }
+
+    return component.blockData;
+  }
+
+  function findNextFileMarker(data, currentPos, startPos = currentPos) {
+    const maxPos = data.length - 1;
+    var newPos = startPos < currentPos ? startPos : currentPos;
+
+    if (currentPos >= maxPos) {
+      return null;
+    }
+
+    var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
+
+    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
+      return {
+        invalid: null,
+        marker: currentMarker,
+        offset: currentPos
+      };
+    }
+
+    var newMarker = (0, _core_utils.readUint16)(data, newPos);
+
+    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
+      if (++newPos >= maxPos) {
+        return null;
+      }
+
+      newMarker = (0, _core_utils.readUint16)(data, newPos);
+    }
+
+    return {
+      invalid: currentMarker.toString(16),
+      marker: newMarker,
+      offset: newPos
+    };
+  }
+
+  JpegImage.prototype = {
+    parse(data, {
+      dnlScanLines = null
+    } = {}) {
+      function readDataBlock() {
+        const length = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+        let endOffset = offset + length - 2;
+        var fileMarker = findNextFileMarker(data, endOffset, offset);
+
+        if (fileMarker && fileMarker.invalid) {
+          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
+          endOffset = fileMarker.offset;
+        }
+
+        var array = data.subarray(offset, endOffset);
+        offset += array.length;
+        return array;
+      }
+
+      function prepareComponents(frame) {
+        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
+        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
+
+        for (var i = 0; i < frame.components.length; i++) {
+          component = frame.components[i];
+          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
+          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
+          var blocksPerLineForMcu = mcusPerLine * component.h;
+          var blocksPerColumnForMcu = mcusPerColumn * component.v;
+          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
+          component.blockData = new Int16Array(blocksBufferSize);
+          component.blocksPerLine = blocksPerLine;
+          component.blocksPerColumn = blocksPerColumn;
+        }
+
+        frame.mcusPerLine = mcusPerLine;
+        frame.mcusPerColumn = mcusPerColumn;
+      }
+
+      var offset = 0;
+      var jfif = null;
+      var adobe = null;
+      var frame, resetInterval;
+      let numSOSMarkers = 0;
+      var quantizationTables = [];
+      var huffmanTablesAC = [],
+          huffmanTablesDC = [];
+      let fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      if (fileMarker !== 0xffd8) {
+        throw new JpegError("SOI not found");
+      }
+
+      fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      markerLoop: while (fileMarker !== 0xffd9) {
+        var i, j, l;
+
+        switch (fileMarker) {
+          case 0xffe0:
+          case 0xffe1:
+          case 0xffe2:
+          case 0xffe3:
+          case 0xffe4:
+          case 0xffe5:
+          case 0xffe6:
+          case 0xffe7:
+          case 0xffe8:
+          case 0xffe9:
+          case 0xffea:
+          case 0xffeb:
+          case 0xffec:
+          case 0xffed:
+          case 0xffee:
+          case 0xffef:
+          case 0xfffe:
+            var appData = readDataBlock();
+
+            if (fileMarker === 0xffe0) {
+              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
+                jfif = {
+                  version: {
+                    major: appData[5],
+                    minor: appData[6]
+                  },
+                  densityUnits: appData[7],
+                  xDensity: appData[8] << 8 | appData[9],
+                  yDensity: appData[10] << 8 | appData[11],
+                  thumbWidth: appData[12],
+                  thumbHeight: appData[13],
+                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                };
+              }
+            }
+
+            if (fileMarker === 0xffee) {
+              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
+                adobe = {
+                  version: appData[5] << 8 | appData[6],
+                  flags0: appData[7] << 8 | appData[8],
+                  flags1: appData[9] << 8 | appData[10],
+                  transformCode: appData[11]
+                };
+              }
+            }
+
+            break;
+
+          case 0xffdb:
+            const quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+            var z;
+
+            while (offset < quantizationTablesEnd) {
+              var quantizationTableSpec = data[offset++];
+              var tableData = new Uint16Array(64);
+
+              if (quantizationTableSpec >> 4 === 0) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = data[offset++];
+                }
+              } else if (quantizationTableSpec >> 4 === 1) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
+                  offset += 2;
+                }
+              } else {
+                throw new JpegError("DQT - invalid table spec");
+              }
+
+              quantizationTables[quantizationTableSpec & 15] = tableData;
+            }
+
+            break;
+
+          case 0xffc0:
+          case 0xffc1:
+          case 0xffc2:
+            if (frame) {
+              throw new JpegError("Only single frame JPEGs supported");
+            }
+
+            offset += 2;
+            frame = {};
+            frame.extended = fileMarker === 0xffc1;
+            frame.progressive = fileMarker === 0xffc2;
+            frame.precision = data[offset++];
+            const sofScanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.scanLines = dnlScanLines || sofScanLines;
+            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.components = [];
+            frame.componentIds = {};
+            var componentsCount = data[offset++],
+                componentId;
+            var maxH = 0,
+                maxV = 0;
+
+            for (i = 0; i < componentsCount; i++) {
+              componentId = data[offset];
+              var h = data[offset + 1] >> 4;
+              var v = data[offset + 1] & 15;
+
+              if (maxH < h) {
+                maxH = h;
+              }
+
+              if (maxV < v) {
+                maxV = v;
+              }
+
+              var qId = data[offset + 2];
+              l = frame.components.push({
+                h,
+                v,
+                quantizationId: qId,
+                quantizationTable: null
+              });
+              frame.componentIds[componentId] = l - 1;
+              offset += 3;
+            }
+
+            frame.maxH = maxH;
+            frame.maxV = maxV;
+            prepareComponents(frame);
+            break;
+
+          case 0xffc4:
+            const huffmanLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            for (i = 2; i < huffmanLength;) {
+              var huffmanTableSpec = data[offset++];
+              var codeLengths = new Uint8Array(16);
+              var codeLengthSum = 0;
+
+              for (j = 0; j < 16; j++, offset++) {
+                codeLengthSum += codeLengths[j] = data[offset];
+              }
+
+              var huffmanValues = new Uint8Array(codeLengthSum);
+
+              for (j = 0; j < codeLengthSum; j++, offset++) {
+                huffmanValues[j] = data[offset];
+              }
+
+              i += 17 + codeLengthSum;
+              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
+            }
+
+            break;
+
+          case 0xffdd:
+            offset += 2;
+            resetInterval = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            break;
+
+          case 0xffda:
+            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
+            offset += 2;
+            var selectorsCount = data[offset++];
+            var components = [],
+                component;
+
+            for (i = 0; i < selectorsCount; i++) {
+              const index = data[offset++];
+              var componentIndex = frame.componentIds[index];
+              component = frame.components[componentIndex];
+              component.index = index;
+              var tableSpec = data[offset++];
+              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+              components.push(component);
+            }
+
+            var spectralStart = data[offset++];
+            var spectralEnd = data[offset++];
+            var successiveApproximation = data[offset++];
+
+            try {
+              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
+              offset += processed;
+            } catch (ex) {
+              if (ex instanceof DNLMarkerError) {
+                (0, _util.warn)(`${ex.message} -- attempting to re-parse the JPEG image.`);
+                return this.parse(data, {
+                  dnlScanLines: ex.scanLines
+                });
+              } else if (ex instanceof EOIMarkerError) {
+                (0, _util.warn)(`${ex.message} -- ignoring the rest of the image data.`);
+                break markerLoop;
+              }
+
+              throw ex;
+            }
+
+            break;
+
+          case 0xffdc:
+            offset += 4;
+            break;
+
+          case 0xffff:
+            if (data[offset] !== 0xff) {
+              offset--;
+            }
+
+            break;
+
+          default:
+            const nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
+
+            if (nextFileMarker && nextFileMarker.invalid) {
+              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
+              offset = nextFileMarker.offset;
+              break;
+            }
+
+            if (offset >= data.length - 1) {
+              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
+              break markerLoop;
+            }
+
+            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
+        }
+
+        fileMarker = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+      }
+
+      this.width = frame.samplesPerLine;
+      this.height = frame.scanLines;
+      this.jfif = jfif;
+      this.adobe = adobe;
+      this.components = [];
+
+      for (i = 0; i < frame.components.length; i++) {
+        component = frame.components[i];
+        var quantizationTable = quantizationTables[component.quantizationId];
+
+        if (quantizationTable) {
+          component.quantizationTable = quantizationTable;
+        }
+
+        this.components.push({
+          index: component.index,
+          output: buildComponentData(frame, component),
+          scaleX: component.h / frame.maxH,
+          scaleY: component.v / frame.maxV,
+          blocksPerLine: component.blocksPerLine,
+          blocksPerColumn: component.blocksPerColumn
+        });
+      }
+
+      this.numComponents = this.components.length;
+      return undefined;
+    },
+
+    _getLinearizedBlockData(width, height, isSourcePDF = false) {
+      var scaleX = this.width / width,
+          scaleY = this.height / height;
+      var component, componentScaleX, componentScaleY, blocksPerScanline;
+      var x, y, i, j, k;
+      var index;
+      var offset = 0;
+      var output;
+      var numComponents = this.components.length;
+      var dataLength = width * height * numComponents;
+      var data = new Uint8ClampedArray(dataLength);
+      var xScaleBlockOffset = new Uint32Array(width);
+      var mask3LSB = 0xfffffff8;
+      let lastComponentScaleX;
+
+      for (i = 0; i < numComponents; i++) {
+        component = this.components[i];
+        componentScaleX = component.scaleX * scaleX;
+        componentScaleY = component.scaleY * scaleY;
+        offset = i;
+        output = component.output;
+        blocksPerScanline = component.blocksPerLine + 1 << 3;
+
+        if (componentScaleX !== lastComponentScaleX) {
+          for (x = 0; x < width; x++) {
+            j = 0 | x * componentScaleX;
+            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
+          }
+
+          lastComponentScaleX = componentScaleX;
+        }
+
+        for (y = 0; y < height; y++) {
+          j = 0 | y * componentScaleY;
+          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
+
+          for (x = 0; x < width; x++) {
+            data[offset] = output[index + xScaleBlockOffset[x]];
+            offset += numComponents;
+          }
+        }
+      }
+
+      let transform = this._decodeTransform;
+
+      if (!isSourcePDF && numComponents === 4 && !transform) {
+        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
+      }
+
+      if (transform) {
+        for (i = 0; i < dataLength;) {
+          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
+            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
+          }
+        }
+      }
+
+      return data;
+    },
+
+    get _isColorConversionNeeded() {
+      if (this.adobe) {
+        return !!this.adobe.transformCode;
+      }
+
+      if (this.numComponents === 3) {
+        if (this._colorTransform === 0) {
+          return false;
+        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
+          return false;
+        }
+
+        return true;
+      }
+
+      if (this._colorTransform === 1) {
+        return true;
+      }
+
+      return false;
+    },
+
+    _convertYccToRgb: function convertYccToRgb(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 3) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = Y - 179.456 + 1.402 * Cr;
+        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
+        data[i + 2] = Y - 226.816 + 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertYcckToRgb: function convertYcckToRgb(data) {
+      var Y, Cb, Cr, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
+        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
+        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
+      }
+
+      return data.subarray(0, offset);
+    },
+    _convertYcckToCmyk: function convertYcckToCmyk(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = 434.456 - Y - 1.402 * Cr;
+        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
+        data[i + 2] = 481.816 - Y - 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertCmykToRgb: function convertCmykToRgb(data) {
+      var c, m, y, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        c = data[i];
+        m = data[i + 1];
+        y = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
+        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
+        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
+      }
+
+      return data.subarray(0, offset);
+    },
+
+    getData({
+      width,
+      height,
+      forceRGB = false,
+      isSourcePDF = false
+    }) {
+      if (this.numComponents > 4) {
+        throw new JpegError("Unsupported color mode");
+      }
+
+      var data = this._getLinearizedBlockData(width, height, isSourcePDF);
+
+      if (this.numComponents === 1 && forceRGB) {
+        var dataLength = data.length;
+        var rgbData = new Uint8ClampedArray(dataLength * 3);
+        var offset = 0;
+
+        for (var i = 0; i < dataLength; i++) {
+          var grayColor = data[i];
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+        }
+
+        return rgbData;
+      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
+        return this._convertYccToRgb(data);
+      } else if (this.numComponents === 4) {
+        if (this._isColorConversionNeeded) {
+          if (forceRGB) {
+            return this._convertYcckToRgb(data);
+          }
+
+          return this._convertYcckToCmyk(data);
+        } else if (forceRGB) {
+          return this._convertCmykToRgb(data);
+        }
+      }
+
+      return data;
+    }
+
+  };
+  return JpegImage;
+}();
+
+exports.JpegImage = JpegImage;
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxStream = void 0;
+
+var _stream = __w_pdfjs_require__(12);
+
+var _jpx = __w_pdfjs_require__(21);
+
+var _util = __w_pdfjs_require__(2);
+
+const JpxStream = function JpxStreamClosure() {
+  function JpxStream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpxStream.prototype, "bytes", {
+    get: function JpxStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpxStream.prototype.ensureBuffer = function (requested) {};
+
+  JpxStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jpxImage = new _jpx.JpxImage();
+    jpxImage.parse(this.bytes);
+    const width = jpxImage.width;
+    const height = jpxImage.height;
+    const componentsCount = jpxImage.componentsCount;
+    const tileCount = jpxImage.tiles.length;
+
+    if (tileCount === 1) {
+      this.buffer = jpxImage.tiles[0].items;
+    } else {
+      const data = new Uint8ClampedArray(width * height * componentsCount);
+
+      for (let k = 0; k < tileCount; k++) {
+        const tileComponents = jpxImage.tiles[k];
+        const tileWidth = tileComponents.width;
+        const tileHeight = tileComponents.height;
+        const tileLeft = tileComponents.left;
+        const tileTop = tileComponents.top;
+        const src = tileComponents.items;
+        let srcPosition = 0;
+        let dataPosition = (width * tileTop + tileLeft) * componentsCount;
+        const imgRowSize = width * componentsCount;
+        const tileRowSize = tileWidth * componentsCount;
+
+        for (let j = 0; j < tileHeight; j++) {
+          const rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);
+          data.set(rowBytes, dataPosition);
+          srcPosition += tileRowSize;
+          dataPosition += imgRowSize;
+        }
+      }
+
+      this.buffer = data;
+    }
+
+    this.bufferLength = this.buffer.length;
+    this.eof = true;
+  };
+
+  return JpxStream;
+}();
+
+exports.JpxStream = JpxStream;
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxImage = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _arithmetic_decoder = __w_pdfjs_require__(17);
+
+class JpxError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPX error: ${msg}`);
+  }
+
+}
+
+var JpxImage = function JpxImageClosure() {
+  var SubbandsGainLog2 = {
+    LL: 0,
+    LH: 1,
+    HL: 1,
+    HH: 2
+  };
+
+  function JpxImage() {
+    this.failOnCorruptedImage = false;
+  }
+
+  JpxImage.prototype = {
+    parse: function JpxImage_parse(data) {
+      var head = (0, _core_utils.readUint16)(data, 0);
+
+      if (head === 0xff4f) {
+        this.parseCodestream(data, 0, data.length);
+        return;
+      }
+
+      var position = 0,
+          length = data.length;
+
+      while (position < length) {
+        var headerSize = 8;
+        var lbox = (0, _core_utils.readUint32)(data, position);
+        var tbox = (0, _core_utils.readUint32)(data, position + 4);
+        position += headerSize;
+
+        if (lbox === 1) {
+          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
+          position += 8;
+          headerSize += 8;
+        }
+
+        if (lbox === 0) {
+          lbox = length - position + headerSize;
+        }
+
+        if (lbox < headerSize) {
+          throw new JpxError("Invalid box field size");
+        }
+
+        var dataLength = lbox - headerSize;
+        var jumpDataLength = true;
+
+        switch (tbox) {
+          case 0x6a703268:
+            jumpDataLength = false;
+            break;
+
+          case 0x636f6c72:
+            var method = data[position];
+
+            if (method === 1) {
+              var colorspace = (0, _core_utils.readUint32)(data, position + 3);
+
+              switch (colorspace) {
+                case 16:
+                case 17:
+                case 18:
+                  break;
+
+                default:
+                  (0, _util.warn)("Unknown colorspace " + colorspace);
+                  break;
+              }
+            } else if (method === 2) {
+              (0, _util.info)("ICC profile not supported");
+            }
+
+            break;
+
+          case 0x6a703263:
+            this.parseCodestream(data, position, position + dataLength);
+            break;
+
+          case 0x6a502020:
+            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
+              (0, _util.warn)("Invalid JP2 signature");
+            }
+
+            break;
+
+          case 0x6a501a1a:
+          case 0x66747970:
+          case 0x72726571:
+          case 0x72657320:
+          case 0x69686472:
+            break;
+
+          default:
+            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
+            (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
+            break;
+        }
+
+        if (jumpDataLength) {
+          position += dataLength;
+        }
+      }
+    },
+    parseImageProperties: function JpxImage_parseImageProperties(stream) {
+      var newByte = stream.getByte();
+
+      while (newByte >= 0) {
+        var oldByte = newByte;
+        newByte = stream.getByte();
+        var code = oldByte << 8 | newByte;
+
+        if (code === 0xff51) {
+          stream.skip(4);
+          var Xsiz = stream.getInt32() >>> 0;
+          var Ysiz = stream.getInt32() >>> 0;
+          var XOsiz = stream.getInt32() >>> 0;
+          var YOsiz = stream.getInt32() >>> 0;
+          stream.skip(16);
+          var Csiz = stream.getUint16();
+          this.width = Xsiz - XOsiz;
+          this.height = Ysiz - YOsiz;
+          this.componentsCount = Csiz;
+          this.bitsPerComponent = 8;
+          return;
+        }
+      }
+
+      throw new JpxError("No size marker found in JPX stream");
+    },
+    parseCodestream: function JpxImage_parseCodestream(data, start, end) {
+      var context = {};
+      var doNotRecover = false;
+
+      try {
+        var position = start;
+
+        while (position + 1 < end) {
+          var code = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          var length = 0,
+              j,
+              sqcd,
+              spqcds,
+              spqcdSize,
+              scalarExpounded,
+              tile;
+
+          switch (code) {
+            case 0xff4f:
+              context.mainHeader = true;
+              break;
+
+            case 0xffd9:
+              break;
+
+            case 0xff51:
+              length = (0, _core_utils.readUint16)(data, position);
+              var siz = {};
+              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
+              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
+              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
+              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
+              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
+              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
+              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
+              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
+              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
+              siz.Csiz = componentsCount;
+              var components = [];
+              j = position + 38;
+
+              for (var i = 0; i < componentsCount; i++) {
+                var component = {
+                  precision: (data[j] & 0x7f) + 1,
+                  isSigned: !!(data[j] & 0x80),
+                  XRsiz: data[j + 1],
+                  YRsiz: data[j + 2]
+                };
+                j += 3;
+                calculateComponentDimensions(component, siz);
+                components.push(component);
+              }
+
+              context.SIZ = siz;
+              context.components = components;
+              calculateTileGrids(context, components);
+              context.QCC = [];
+              context.COC = [];
+              break;
+
+            case 0xff5c:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcd = {};
+              j = position + 2;
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcd.noQuantization = spqcdSize === 8;
+              qcd.scalarExpounded = scalarExpounded;
+              qcd.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                var spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcd.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCD = qcd;
+              } else {
+                context.currentTile.QCD = qcd;
+                context.currentTile.QCC = [];
+              }
+
+              break;
+
+            case 0xff5d:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcc = {};
+              j = position + 2;
+              var cqcc;
+
+              if (context.SIZ.Csiz < 257) {
+                cqcc = data[j++];
+              } else {
+                cqcc = (0, _core_utils.readUint16)(data, j);
+                j += 2;
+              }
+
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcc.noQuantization = spqcdSize === 8;
+              qcc.scalarExpounded = scalarExpounded;
+              qcc.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcc.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCC[cqcc] = qcc;
+              } else {
+                context.currentTile.QCC[cqcc] = qcc;
+              }
+
+              break;
+
+            case 0xff52:
+              length = (0, _core_utils.readUint16)(data, position);
+              var cod = {};
+              j = position + 2;
+              var scod = data[j++];
+              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+              cod.sopMarkerUsed = !!(scod & 2);
+              cod.ephMarkerUsed = !!(scod & 4);
+              cod.progressionOrder = data[j++];
+              cod.layersCount = (0, _core_utils.readUint16)(data, j);
+              j += 2;
+              cod.multipleComponentTransform = data[j++];
+              cod.decompositionLevelsCount = data[j++];
+              cod.xcb = (data[j++] & 0xf) + 2;
+              cod.ycb = (data[j++] & 0xf) + 2;
+              var blockStyle = data[j++];
+              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+              cod.resetContextProbabilities = !!(blockStyle & 2);
+              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+              cod.verticallyStripe = !!(blockStyle & 8);
+              cod.predictableTermination = !!(blockStyle & 16);
+              cod.segmentationSymbolUsed = !!(blockStyle & 32);
+              cod.reversibleTransformation = data[j++];
+
+              if (cod.entropyCoderWithCustomPrecincts) {
+                var precinctsSizes = [];
+
+                while (j < length + position) {
+                  var precinctsSize = data[j++];
+                  precinctsSizes.push({
+                    PPx: precinctsSize & 0xf,
+                    PPy: precinctsSize >> 4
+                  });
+                }
+
+                cod.precinctsSizes = precinctsSizes;
+              }
+
+              var unsupported = [];
+
+              if (cod.selectiveArithmeticCodingBypass) {
+                unsupported.push("selectiveArithmeticCodingBypass");
+              }
+
+              if (cod.resetContextProbabilities) {
+                unsupported.push("resetContextProbabilities");
+              }
+
+              if (cod.terminationOnEachCodingPass) {
+                unsupported.push("terminationOnEachCodingPass");
+              }
+
+              if (cod.verticallyStripe) {
+                unsupported.push("verticallyStripe");
+              }
+
+              if (cod.predictableTermination) {
+                unsupported.push("predictableTermination");
+              }
+
+              if (unsupported.length > 0) {
+                doNotRecover = true;
+                throw new Error("Unsupported COD options (" + unsupported.join(", ") + ")");
+              }
+
+              if (context.mainHeader) {
+                context.COD = cod;
+              } else {
+                context.currentTile.COD = cod;
+                context.currentTile.COC = [];
+              }
+
+              break;
+
+            case 0xff90:
+              length = (0, _core_utils.readUint16)(data, position);
+              tile = {};
+              tile.index = (0, _core_utils.readUint16)(data, position + 2);
+              tile.length = (0, _core_utils.readUint32)(data, position + 4);
+              tile.dataEnd = tile.length + position - 2;
+              tile.partIndex = data[position + 8];
+              tile.partsCount = data[position + 9];
+              context.mainHeader = false;
+
+              if (tile.partIndex === 0) {
+                tile.COD = context.COD;
+                tile.COC = context.COC.slice(0);
+                tile.QCD = context.QCD;
+                tile.QCC = context.QCC.slice(0);
+              }
+
+              context.currentTile = tile;
+              break;
+
+            case 0xff93:
+              tile = context.currentTile;
+
+              if (tile.partIndex === 0) {
+                initializeTile(context, tile.index);
+                buildPackets(context);
+              }
+
+              length = tile.dataEnd - position;
+              parseTilePackets(context, data, position, length);
+              break;
+
+            case 0xff55:
+            case 0xff57:
+            case 0xff58:
+            case 0xff64:
+              length = (0, _core_utils.readUint16)(data, position);
+              break;
+
+            case 0xff53:
+              throw new Error("Codestream code 0xFF53 (COC) is not implemented");
+
+            default:
+              throw new Error("Unknown codestream code: " + code.toString(16));
+          }
+
+          position += length;
+        }
+      } catch (e) {
+        if (doNotRecover || this.failOnCorruptedImage) {
+          throw new JpxError(e.message);
+        } else {
+          (0, _util.warn)("JPX: Trying to recover from: " + e.message);
+        }
+      }
+
+      this.tiles = transformComponents(context);
+      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
+      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
+      this.componentsCount = context.SIZ.Csiz;
+    }
+  };
+
+  function calculateComponentDimensions(component, siz) {
+    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
+    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
+    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
+    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
+    component.width = component.x1 - component.x0;
+    component.height = component.y1 - component.y0;
+  }
+
+  function calculateTileGrids(context, components) {
+    var siz = context.SIZ;
+    var tile,
+        tiles = [];
+    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
+    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
+
+    for (var q = 0; q < numYtiles; q++) {
+      for (var p = 0; p < numXtiles; p++) {
+        tile = {};
+        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
+        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
+        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
+        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
+        tile.width = tile.tx1 - tile.tx0;
+        tile.height = tile.ty1 - tile.ty0;
+        tile.components = [];
+        tiles.push(tile);
+      }
+    }
+
+    context.tiles = tiles;
+    var componentsCount = siz.Csiz;
+
+    for (var i = 0, ii = componentsCount; i < ii; i++) {
+      var component = components[i];
+
+      for (var j = 0, jj = tiles.length; j < jj; j++) {
+        var tileComponent = {};
+        tile = tiles[j];
+        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
+        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
+        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
+        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
+        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
+        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
+        tile.components[i] = tileComponent;
+      }
+    }
+  }
+
+  function getBlocksDimensions(context, component, r) {
+    var codOrCoc = component.codingStyleParameters;
+    var result = {};
+
+    if (!codOrCoc.entropyCoderWithCustomPrecincts) {
+      result.PPx = 15;
+      result.PPy = 15;
+    } else {
+      result.PPx = codOrCoc.precinctsSizes[r].PPx;
+      result.PPy = codOrCoc.precinctsSizes[r].PPy;
+    }
+
+    result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
+    result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
+    return result;
+  }
+
+  function buildPrecincts(context, resolution, dimensions) {
+    var precinctWidth = 1 << dimensions.PPx;
+    var precinctHeight = 1 << dimensions.PPy;
+    var isZeroRes = resolution.resLevel === 0;
+    var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
+    var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
+    var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
+    var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
+    var numprecincts = numprecinctswide * numprecinctshigh;
+    resolution.precinctParameters = {
+      precinctWidth,
+      precinctHeight,
+      numprecinctswide,
+      numprecinctshigh,
+      numprecincts,
+      precinctWidthInSubband,
+      precinctHeightInSubband
+    };
+  }
+
+  function buildCodeblocks(context, subband, dimensions) {
+    var xcb_ = dimensions.xcb_;
+    var ycb_ = dimensions.ycb_;
+    var codeblockWidth = 1 << xcb_;
+    var codeblockHeight = 1 << ycb_;
+    var cbx0 = subband.tbx0 >> xcb_;
+    var cby0 = subband.tby0 >> ycb_;
+    var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
+    var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
+    var precinctParameters = subband.resolution.precinctParameters;
+    var codeblocks = [];
+    var precincts = [];
+    var i, j, codeblock, precinctNumber;
+
+    for (j = cby0; j < cby1; j++) {
+      for (i = cbx0; i < cbx1; i++) {
+        codeblock = {
+          cbx: i,
+          cby: j,
+          tbx0: codeblockWidth * i,
+          tby0: codeblockHeight * j,
+          tbx1: codeblockWidth * (i + 1),
+          tby1: codeblockHeight * (j + 1)
+        };
+        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
+        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
+        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
+        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
+        var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
+        var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
+        precinctNumber = pi + pj * precinctParameters.numprecinctswide;
+        codeblock.precinctNumber = precinctNumber;
+        codeblock.subbandType = subband.type;
+        codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
+
+        codeblocks.push(codeblock);
+        var precinct = precincts[precinctNumber];
+
+        if (precinct !== undefined) {
+          if (i < precinct.cbxMin) {
+            precinct.cbxMin = i;
+          } else if (i > precinct.cbxMax) {
+            precinct.cbxMax = i;
+          }
+
+          if (j < precinct.cbyMin) {
+            precinct.cbxMin = j;
+          } else if (j > precinct.cbyMax) {
+            precinct.cbyMax = j;
+          }
+        } else {
+          precincts[precinctNumber] = precinct = {
+            cbxMin: i,
+            cbyMin: j,
+            cbxMax: i,
+            cbyMax: j
+          };
+        }
+
+        codeblock.precinct = precinct;
+      }
+    }
+
+    subband.codeblockParameters = {
+      codeblockWidth: xcb_,
+      codeblockHeight: ycb_,
+      numcodeblockwide: cbx1 - cbx0 + 1,
+      numcodeblockhigh: cby1 - cby0 + 1
+    };
+    subband.codeblocks = codeblocks;
+    subband.precincts = precincts;
+  }
+
+  function createPacket(resolution, precinctNumber, layerNumber) {
+    var precinctCodeblocks = [];
+    var subbands = resolution.subbands;
+
+    for (var i = 0, ii = subbands.length; i < ii; i++) {
+      var subband = subbands[i];
+      var codeblocks = subband.codeblocks;
+
+      for (var j = 0, jj = codeblocks.length; j < jj; j++) {
+        var codeblock = codeblocks[j];
+
+        if (codeblock.precinctNumber !== precinctNumber) {
+          continue;
+        }
+
+        precinctCodeblocks.push(codeblock);
+      }
+    }
+
+    return {
+      layerNumber,
+      codeblocks: precinctCodeblocks
+    };
+  }
+
+  function LayerResolutionComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var l = 0,
+        r = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; l < layersCount; l++) {
+        for (; r <= maxDecompositionLevelsCount; r++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        r = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionLayerComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var r = 0,
+        l = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; l < layersCount; l++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        l = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionPositionComponentLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var l, r, c, p;
+    var maxDecompositionLevelsCount = 0;
+
+    for (c = 0; c < componentsCount; c++) {
+      const component = tile.components[c];
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
+
+    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
+      var maxNumPrecincts = 0;
+
+      for (c = 0; c < componentsCount; ++c) {
+        var resolutions = tile.components[c].resolutions;
+
+        if (r < resolutions.length) {
+          maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
+        }
+      }
+
+      maxNumPrecinctsInLevel[r] = maxNumPrecincts;
+    }
+
+    l = 0;
+    r = 0;
+    c = 0;
+    p = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; p < maxNumPrecinctsInLevel[r]; p++) {
+          for (; c < componentsCount; c++) {
+            const component = tile.components[c];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            if (p >= numprecincts) {
+              continue;
+            }
+
+            for (; l < layersCount;) {
+              var packet = createPacket(resolution, p, l);
+              l++;
+              return packet;
+            }
+
+            l = 0;
+          }
+
+          c = 0;
+        }
+
+        p = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function PositionComponentResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var precinctsIterationSizes = precinctsSizes;
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+          for (; c < componentsCount; c++) {
+            var component = tile.components[c];
+            var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          c = 0;
+        }
+
+        px = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ComponentPositionResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; c < componentsCount; ++c) {
+        var component = tile.components[c];
+        var precinctsIterationSizes = precinctsSizes.components[c];
+        var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+        for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+          for (; px < precinctsIterationSizes.maxNumWide; px++) {
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsIterationSizes.resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          px = 0;
+        }
+
+        py = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
+    var posX = pxIndex * precinctIterationSizes.minWidth;
+    var posY = pyIndex * precinctIterationSizes.minHeight;
+
+    if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
+      return null;
+    }
+
+    var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
+    return posX / sizeInImageScale.height + startPrecinctRowIndex;
+  }
+
+  function getPrecinctSizesInImageScale(tile) {
+    var componentsCount = tile.components.length;
+    var minWidth = Number.MAX_VALUE;
+    var minHeight = Number.MAX_VALUE;
+    var maxNumWide = 0;
+    var maxNumHigh = 0;
+    var sizePerComponent = new Array(componentsCount);
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var sizePerResolution = new Array(decompositionLevelsCount + 1);
+      var minWidthCurrentComponent = Number.MAX_VALUE;
+      var minHeightCurrentComponent = Number.MAX_VALUE;
+      var maxNumWideCurrentComponent = 0;
+      var maxNumHighCurrentComponent = 0;
+      var scale = 1;
+
+      for (var r = decompositionLevelsCount; r >= 0; --r) {
+        var resolution = component.resolutions[r];
+        var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
+        var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
+        minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
+        minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
+        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
+        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
+        sizePerResolution[r] = {
+          width: widthCurrentResolution,
+          height: heightCurrentResolution
+        };
+        scale <<= 1;
+      }
+
+      minWidth = Math.min(minWidth, minWidthCurrentComponent);
+      minHeight = Math.min(minHeight, minHeightCurrentComponent);
+      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
+      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
+      sizePerComponent[c] = {
+        resolutions: sizePerResolution,
+        minWidth: minWidthCurrentComponent,
+        minHeight: minHeightCurrentComponent,
+        maxNumWide: maxNumWideCurrentComponent,
+        maxNumHigh: maxNumHighCurrentComponent
+      };
+    }
+
+    return {
+      components: sizePerComponent,
+      minWidth,
+      minHeight,
+      maxNumWide,
+      maxNumHigh
+    };
+  }
+
+  function buildPackets(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var componentsCount = siz.Csiz;
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var resolutions = [];
+      var subbands = [];
+
+      for (var r = 0; r <= decompositionLevelsCount; r++) {
+        var blocksDimensions = getBlocksDimensions(context, component, r);
+        var resolution = {};
+        var scale = 1 << decompositionLevelsCount - r;
+        resolution.trx0 = Math.ceil(component.tcx0 / scale);
+        resolution.try0 = Math.ceil(component.tcy0 / scale);
+        resolution.trx1 = Math.ceil(component.tcx1 / scale);
+        resolution.try1 = Math.ceil(component.tcy1 / scale);
+        resolution.resLevel = r;
+        buildPrecincts(context, resolution, blocksDimensions);
+        resolutions.push(resolution);
+        var subband;
+
+        if (r === 0) {
+          subband = {};
+          subband.type = "LL";
+          subband.tbx0 = Math.ceil(component.tcx0 / scale);
+          subband.tby0 = Math.ceil(component.tcy0 / scale);
+          subband.tbx1 = Math.ceil(component.tcx1 / scale);
+          subband.tby1 = Math.ceil(component.tcy1 / scale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolution.subbands = [subband];
+        } else {
+          var bscale = 1 << decompositionLevelsCount - r + 1;
+          var resolutionSubbands = [];
+          subband = {};
+          subband.type = "HL";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "LH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "HH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          resolution.subbands = resolutionSubbands;
+        }
+      }
+
+      component.resolutions = resolutions;
+      component.subbands = subbands;
+    }
+
+    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
+
+    switch (progressionOrder) {
+      case 0:
+        tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+        break;
+
+      case 1:
+        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+        break;
+
+      case 2:
+        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+        break;
+
+      case 3:
+        tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+        break;
+
+      case 4:
+        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+        break;
+
+      default:
+        throw new JpxError(`Unsupported progression order ${progressionOrder}`);
+    }
+  }
+
+  function parseTilePackets(context, data, offset, dataLength) {
+    var position = 0;
+    var buffer,
+        bufferSize = 0,
+        skipNextBit = false;
+
+    function readBits(count) {
+      while (bufferSize < count) {
+        var b = data[offset + position];
+        position++;
+
+        if (skipNextBit) {
+          buffer = buffer << 7 | b;
+          bufferSize += 7;
+          skipNextBit = false;
+        } else {
+          buffer = buffer << 8 | b;
+          bufferSize += 8;
+        }
+
+        if (b === 0xff) {
+          skipNextBit = true;
+        }
+      }
+
+      bufferSize -= count;
+      return buffer >>> bufferSize & (1 << count) - 1;
+    }
+
+    function skipMarkerIfEqual(value) {
+      if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
+        skipBytes(1);
+        return true;
+      } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
+        skipBytes(2);
+        return true;
+      }
+
+      return false;
+    }
+
+    function skipBytes(count) {
+      position += count;
+    }
+
+    function alignToByte() {
+      bufferSize = 0;
+
+      if (skipNextBit) {
+        position++;
+        skipNextBit = false;
+      }
+    }
+
+    function readCodingpasses() {
+      if (readBits(1) === 0) {
+        return 1;
+      }
+
+      if (readBits(1) === 0) {
+        return 2;
+      }
+
+      var value = readBits(2);
+
+      if (value < 3) {
+        return value + 3;
+      }
+
+      value = readBits(5);
+
+      if (value < 31) {
+        return value + 6;
+      }
+
+      value = readBits(7);
+      return value + 37;
+    }
+
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var sopMarkerUsed = context.COD.sopMarkerUsed;
+    var ephMarkerUsed = context.COD.ephMarkerUsed;
+    var packetsIterator = tile.packetsIterator;
+
+    while (position < dataLength) {
+      alignToByte();
+
+      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
+        skipBytes(4);
+      }
+
+      var packet = packetsIterator.nextPacket();
+
+      if (!readBits(1)) {
+        continue;
+      }
+
+      var layerNumber = packet.layerNumber;
+      var queue = [],
+          codeblock;
+
+      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
+        codeblock = packet.codeblocks[i];
+        var precinct = codeblock.precinct;
+        var codeblockColumn = codeblock.cbx - precinct.cbxMin;
+        var codeblockRow = codeblock.cby - precinct.cbyMin;
+        var codeblockIncluded = false;
+        var firstTimeInclusion = false;
+        var valueReady;
+
+        if (codeblock.included !== undefined) {
+          codeblockIncluded = !!readBits(1);
+        } else {
+          precinct = codeblock.precinct;
+          var inclusionTree, zeroBitPlanesTree;
+
+          if (precinct.inclusionTree !== undefined) {
+            inclusionTree = precinct.inclusionTree;
+          } else {
+            var width = precinct.cbxMax - precinct.cbxMin + 1;
+            var height = precinct.cbyMax - precinct.cbyMin + 1;
+            inclusionTree = new InclusionTree(width, height, layerNumber);
+            zeroBitPlanesTree = new TagTree(width, height);
+            precinct.inclusionTree = inclusionTree;
+            precinct.zeroBitPlanesTree = zeroBitPlanesTree;
+          }
+
+          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
+            while (true) {
+              if (readBits(1)) {
+                valueReady = !inclusionTree.nextLevel();
+
+                if (valueReady) {
+                  codeblock.included = true;
+                  codeblockIncluded = firstTimeInclusion = true;
+                  break;
+                }
+              } else {
+                inclusionTree.incrementValue(layerNumber);
+                break;
+              }
+            }
+          }
+        }
+
+        if (!codeblockIncluded) {
+          continue;
+        }
+
+        if (firstTimeInclusion) {
+          zeroBitPlanesTree = precinct.zeroBitPlanesTree;
+          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
+
+          while (true) {
+            if (readBits(1)) {
+              valueReady = !zeroBitPlanesTree.nextLevel();
+
+              if (valueReady) {
+                break;
+              }
+            } else {
+              zeroBitPlanesTree.incrementValue();
+            }
+          }
+
+          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
+        }
+
+        var codingpasses = readCodingpasses();
+
+        while (readBits(1)) {
+          codeblock.Lblock++;
+        }
+
+        var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
+        var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
+        var codedDataLength = readBits(bits);
+        queue.push({
+          codeblock,
+          codingpasses,
+          dataLength: codedDataLength
+        });
+      }
+
+      alignToByte();
+
+      if (ephMarkerUsed) {
+        skipMarkerIfEqual(0x92);
+      }
+
+      while (queue.length > 0) {
+        var packetItem = queue.shift();
+        codeblock = packetItem.codeblock;
+
+        if (codeblock.data === undefined) {
+          codeblock.data = [];
+        }
+
+        codeblock.data.push({
+          data,
+          start: offset + position,
+          end: offset + position + packetItem.dataLength,
+          codingpasses: packetItem.codingpasses
+        });
+        position += packetItem.dataLength;
+      }
+    }
+
+    return position;
+  }
+
+  function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
+    var x0 = subband.tbx0;
+    var y0 = subband.tby0;
+    var width = subband.tbx1 - subband.tbx0;
+    var codeblocks = subband.codeblocks;
+    var right = subband.type.charAt(0) === "H" ? 1 : 0;
+    var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
+
+    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
+      var codeblock = codeblocks[i];
+      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
+      var blockHeight = codeblock.tby1_ - codeblock.tby0_;
+
+      if (blockWidth === 0 || blockHeight === 0) {
+        continue;
+      }
+
+      if (codeblock.data === undefined) {
+        continue;
+      }
+
+      var bitModel, currentCodingpassType;
+      bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
+      currentCodingpassType = 2;
+      var data = codeblock.data,
+          totalLength = 0,
+          codingpasses = 0;
+      var j, jj, dataItem;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        totalLength += dataItem.end - dataItem.start;
+        codingpasses += dataItem.codingpasses;
+      }
+
+      var encodedData = new Uint8Array(totalLength);
+      var position = 0;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
+        encodedData.set(chunk, position);
+        position += chunk.length;
+      }
+
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
+      bitModel.setDecoder(decoder);
+
+      for (j = 0; j < codingpasses; j++) {
+        switch (currentCodingpassType) {
+          case 0:
+            bitModel.runSignificancePropagationPass();
+            break;
+
+          case 1:
+            bitModel.runMagnitudeRefinementPass();
+            break;
+
+          case 2:
+            bitModel.runCleanupPass();
+
+            if (segmentationSymbolUsed) {
+              bitModel.checkSegmentationSymbol();
+            }
+
+            break;
+        }
+
+        currentCodingpassType = (currentCodingpassType + 1) % 3;
+      }
+
+      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
+      var sign = bitModel.coefficentsSign;
+      var magnitude = bitModel.coefficentsMagnitude;
+      var bitsDecoded = bitModel.bitsDecoded;
+      var magnitudeCorrection = reversible ? 0 : 0.5;
+      var k, n, nb;
+      position = 0;
+      var interleave = subband.type !== "LL";
+
+      for (j = 0; j < blockHeight; j++) {
+        var row = offset / width | 0;
+        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
+
+        for (k = 0; k < blockWidth; k++) {
+          n = magnitude[position];
+
+          if (n !== 0) {
+            n = (n + magnitudeCorrection) * delta;
+
+            if (sign[position] !== 0) {
+              n = -n;
+            }
+
+            nb = bitsDecoded[position];
+            var pos = interleave ? levelOffset + (offset << 1) : offset;
+
+            if (reversible && nb >= mb) {
+              coefficients[pos] = n;
+            } else {
+              coefficients[pos] = n * (1 << mb - nb);
+            }
+          }
+
+          offset++;
+          position++;
+        }
+
+        offset += width - blockWidth;
+      }
+    }
+  }
+
+  function transformTile(context, tile, c) {
+    var component = tile.components[c];
+    var codingStyleParameters = component.codingStyleParameters;
+    var quantizationParameters = component.quantizationParameters;
+    var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
+    var spqcds = quantizationParameters.SPqcds;
+    var scalarExpounded = quantizationParameters.scalarExpounded;
+    var guardBits = quantizationParameters.guardBits;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
+    var precision = context.components[c].precision;
+    var reversible = codingStyleParameters.reversibleTransformation;
+    var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
+    var subbandCoefficients = [];
+    var b = 0;
+
+    for (var i = 0; i <= decompositionLevelsCount; i++) {
+      var resolution = component.resolutions[i];
+      var width = resolution.trx1 - resolution.trx0;
+      var height = resolution.try1 - resolution.try0;
+      var coefficients = new Float32Array(width * height);
+
+      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
+        var mu, epsilon;
+
+        if (!scalarExpounded) {
+          mu = spqcds[0].mu;
+          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
+        } else {
+          mu = spqcds[b].mu;
+          epsilon = spqcds[b].epsilon;
+          b++;
+        }
+
+        var subband = resolution.subbands[j];
+        var gainLog2 = SubbandsGainLog2[subband.type];
+        var delta = reversible ? 1 : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);
+        var mb = guardBits + epsilon - 1;
+        copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
+      }
+
+      subbandCoefficients.push({
+        width,
+        height,
+        items: coefficients
+      });
+    }
+
+    var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
+    return {
+      left: component.tcx0,
+      top: component.tcy0,
+      width: result.width,
+      height: result.height,
+      items: result.items
+    };
+  }
+
+  function transformComponents(context) {
+    var siz = context.SIZ;
+    var components = context.components;
+    var componentsCount = siz.Csiz;
+    var resultImages = [];
+
+    for (var i = 0, ii = context.tiles.length; i < ii; i++) {
+      var tile = context.tiles[i];
+      var transformedTiles = [];
+      var c;
+
+      for (c = 0; c < componentsCount; c++) {
+        transformedTiles[c] = transformTile(context, tile, c);
+      }
+
+      var tile0 = transformedTiles[0];
+      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
+      var result = {
+        left: tile0.left,
+        top: tile0.top,
+        width: tile0.width,
+        height: tile0.height,
+        items: out
+      };
+      var shift, offset;
+      var pos = 0,
+          j,
+          jj,
+          y0,
+          y1,
+          y2;
+
+      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
+        var fourComponents = componentsCount === 4;
+        var y0items = transformedTiles[0].items;
+        var y1items = transformedTiles[1].items;
+        var y2items = transformedTiles[2].items;
+        var y3items = fourComponents ? transformedTiles[3].items : null;
+        shift = components[0].precision - 8;
+        offset = (128 << shift) + 0.5;
+        var component0 = tile.components[0];
+        var alpha01 = componentsCount - 3;
+        jj = y0items.length;
+
+        if (!component0.codingStyleParameters.reversibleTransformation) {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            out[pos++] = y0 + 1.402 * y2 >> shift;
+            out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
+            out[pos++] = y0 + 1.772 * y1 >> shift;
+          }
+        } else {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            const g = y0 - (y2 + y1 >> 2);
+            out[pos++] = g + y2 >> shift;
+            out[pos++] = g >> shift;
+            out[pos++] = g + y1 >> shift;
+          }
+        }
+
+        if (fourComponents) {
+          for (j = 0, pos = 3; j < jj; j++, pos += 4) {
+            out[pos] = y3items[j] + offset >> shift;
+          }
+        }
+      } else {
+        for (c = 0; c < componentsCount; c++) {
+          var items = transformedTiles[c].items;
+          shift = components[c].precision - 8;
+          offset = (128 << shift) + 0.5;
+
+          for (pos = c, j = 0, jj = items.length; j < jj; j++) {
+            out[pos] = items[j] + offset >> shift;
+            pos += componentsCount;
+          }
+        }
+      }
+
+      resultImages.push(result);
+    }
+
+    return resultImages;
+  }
+
+  function initializeTile(context, tileIndex) {
+    var siz = context.SIZ;
+    var componentsCount = siz.Csiz;
+    var tile = context.tiles[tileIndex];
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
+      component.quantizationParameters = qcdOrQcc;
+      var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
+      component.codingStyleParameters = codOrCoc;
+    }
+
+    tile.codingStyleDefaultParameters = context.currentTile.COD;
+  }
+
+  var TagTree = function TagTreeClosure() {
+    function TagTree(width, height) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var level = {
+          width,
+          height,
+          items: []
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    TagTree.prototype = {
+      reset: function TagTree_reset(i, j) {
+        var currentLevel = 0,
+            value = 0,
+            level;
+
+        while (currentLevel < this.levels.length) {
+          level = this.levels[currentLevel];
+          var index = i + j * level.width;
+
+          if (level.items[index] !== undefined) {
+            value = level.items[index];
+            break;
+          }
+
+          level.index = index;
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        currentLevel--;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        this.currentLevel = currentLevel;
+        delete this.value;
+      },
+      incrementValue: function TagTree_incrementValue() {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index]++;
+      },
+      nextLevel: function TagTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          this.value = value;
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return TagTree;
+  }();
+
+  var InclusionTree = function InclusionTreeClosure() {
+    function InclusionTree(width, height, defaultValue) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var items = new Uint8Array(width * height);
+
+        for (var j = 0, jj = items.length; j < jj; j++) {
+          items[j] = defaultValue;
+        }
+
+        var level = {
+          width,
+          height,
+          items
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    InclusionTree.prototype = {
+      reset: function InclusionTree_reset(i, j, stopValue) {
+        var currentLevel = 0;
+
+        while (currentLevel < this.levels.length) {
+          var level = this.levels[currentLevel];
+          var index = i + j * level.width;
+          level.index = index;
+          var value = level.items[index];
+
+          if (value === 0xff) {
+            break;
+          }
+
+          if (value > stopValue) {
+            this.currentLevel = currentLevel;
+            this.propagateValues();
+            return false;
+          }
+
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        this.currentLevel = currentLevel - 1;
+        return true;
+      },
+      incrementValue: function InclusionTree_incrementValue(stopValue) {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index] = stopValue + 1;
+        this.propagateValues();
+      },
+      propagateValues: function InclusionTree_propagateValues() {
+        var levelIndex = this.currentLevel;
+        var level = this.levels[levelIndex];
+        var currentValue = level.items[level.index];
+
+        while (--levelIndex >= 0) {
+          level = this.levels[levelIndex];
+          level.items[level.index] = currentValue;
+        }
+      },
+      nextLevel: function InclusionTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        level.items[level.index] = 0xff;
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return InclusionTree;
+  }();
+
+  var BitModel = function BitModelClosure() {
+    var UNIFORM_CONTEXT = 17;
+    var RUNLENGTH_CONTEXT = 18;
+    var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+    var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+    var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
+
+    function BitModel(width, height, subband, zeroBitPlanes, mb) {
+      this.width = width;
+      this.height = height;
+      let contextLabelTable;
+
+      if (subband === "HH") {
+        contextLabelTable = HHContextLabel;
+      } else if (subband === "HL") {
+        contextLabelTable = HLContextLabel;
+      } else {
+        contextLabelTable = LLAndLHContextsLabel;
+      }
+
+      this.contextLabelTable = contextLabelTable;
+      var coefficientCount = width * height;
+      this.neighborsSignificance = new Uint8Array(coefficientCount);
+      this.coefficentsSign = new Uint8Array(coefficientCount);
+      let coefficentsMagnitude;
+
+      if (mb > 14) {
+        coefficentsMagnitude = new Uint32Array(coefficientCount);
+      } else if (mb > 6) {
+        coefficentsMagnitude = new Uint16Array(coefficientCount);
+      } else {
+        coefficentsMagnitude = new Uint8Array(coefficientCount);
+      }
+
+      this.coefficentsMagnitude = coefficentsMagnitude;
+      this.processingFlags = new Uint8Array(coefficientCount);
+      var bitsDecoded = new Uint8Array(coefficientCount);
+
+      if (zeroBitPlanes !== 0) {
+        for (var i = 0; i < coefficientCount; i++) {
+          bitsDecoded[i] = zeroBitPlanes;
+        }
+      }
+
+      this.bitsDecoded = bitsDecoded;
+      this.reset();
+    }
+
+    BitModel.prototype = {
+      setDecoder: function BitModel_setDecoder(decoder) {
+        this.decoder = decoder;
+      },
+      reset: function BitModel_reset() {
+        this.contexts = new Int8Array(19);
+        this.contexts[0] = 4 << 1 | 0;
+        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
+        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
+      },
+      setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
+        var neighborsSignificance = this.neighborsSignificance;
+        var width = this.width,
+            height = this.height;
+        var left = column > 0;
+        var right = column + 1 < width;
+        var i;
+
+        if (row > 0) {
+          i = index - width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (row + 1 < height) {
+          i = index + width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (left) {
+          neighborsSignificance[index - 1] += 0x01;
+        }
+
+        if (right) {
+          neighborsSignificance[index + 1] += 0x01;
+        }
+
+        neighborsSignificance[index] |= 0x80;
+      },
+      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var neighborsSignificance = this.neighborsSignificance;
+        var processingFlags = this.processingFlags;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processedInverseMask = ~1;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+
+        for (var i0 = 0; i0 < height; i0 += 4) {
+          for (var j = 0; j < width; j++) {
+            var index = i0 * width + j;
+
+            for (var i1 = 0; i1 < 4; i1++, index += width) {
+              var i = i0 + i1;
+
+              if (i >= height) {
+                break;
+              }
+
+              processingFlags[index] &= processedInverseMask;
+
+              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision) {
+                var sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contribution, sign0, sign1, significance1;
+        var contextLabel, decoded;
+        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
+
+        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
+          sign1 = coefficentsSign[index + 1];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - 1];
+            contribution = 1 - sign1 - sign0;
+          } else {
+            contribution = 1 - sign1 - sign1;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - 1];
+          contribution = 1 - sign0 - sign0;
+        } else {
+          contribution = 0;
+        }
+
+        var horizontalContribution = 3 * contribution;
+        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
+
+        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
+          sign1 = coefficentsSign[index + width];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - width];
+            contribution = 1 - sign1 - sign0 + horizontalContribution;
+          } else {
+            contribution = 1 - sign1 - sign1 + horizontalContribution;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - width];
+          contribution = 1 - sign0 - sign0 + horizontalContribution;
+        } else {
+          contribution = horizontalContribution;
+        }
+
+        if (contribution >= 0) {
+          contextLabel = 9 + contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel);
+        } else {
+          contextLabel = 9 - contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
+        }
+
+        return decoded;
+      },
+      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var neighborsSignificance = this.neighborsSignificance;
+        var contexts = this.contexts;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var length = width * height;
+        var width4 = width * 4;
+
+        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
+          indexNext = Math.min(length, index0 + width4);
+
+          for (var j = 0; j < width; j++) {
+            for (var index = index0 + j; index < indexNext; index += width) {
+              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = 16;
+
+              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
+                processingFlags[index] ^= firstMagnitudeBitMask;
+                var significance = neighborsSignificance[index] & 127;
+                contextLabel = significance === 0 ? 15 : 14;
+              }
+
+              var bit = decoder.readBit(contexts, contextLabel);
+              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      runCleanupPass: function BitModel_runCleanupPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var neighborsSignificance = this.neighborsSignificance;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var oneRowDown = width;
+        var twoRowsDown = width * 2;
+        var threeRowsDown = width * 3;
+        var iNext;
+
+        for (var i0 = 0; i0 < height; i0 = iNext) {
+          iNext = Math.min(i0 + 4, height);
+          var indexBase = i0 * width;
+          var checkAllEmpty = i0 + 3 < height;
+
+          for (var j = 0; j < width; j++) {
+            var index0 = indexBase + j;
+            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
+            var i1 = 0,
+                index = index0;
+            var i = i0,
+                sign;
+
+            if (allEmpty) {
+              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
+
+              if (!hasSignificantCoefficent) {
+                bitsDecoded[index0]++;
+                bitsDecoded[index0 + oneRowDown]++;
+                bitsDecoded[index0 + twoRowsDown]++;
+                bitsDecoded[index0 + threeRowsDown]++;
+                continue;
+              }
+
+              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+              if (i1 !== 0) {
+                i = i0 + i1;
+                index += i1 * width;
+              }
+
+              sign = this.decodeSignBit(i, j, index);
+              coefficentsSign[index] = sign;
+              coefficentsMagnitude[index] = 1;
+              this.setNeighborsSignificance(i, j, index);
+              processingFlags[index] |= firstMagnitudeBitMask;
+              index = index0;
+
+              for (var i2 = i0; i2 <= i; i2++, index += width) {
+                bitsDecoded[index]++;
+              }
+
+              i1++;
+            }
+
+            for (i = i0 + i1; i < iNext; i++, index += width) {
+              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision === 1) {
+                sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+            }
+          }
+        }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var contexts = this.contexts;
+        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+        if (symbol !== 0xa) {
+          throw new JpxError("Invalid segmentation symbol");
+        }
+      }
+    };
+    return BitModel;
+  }();
+
+  var Transform = function TransformClosure() {
+    function Transform() {}
+
+    Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
+      var ll = subbands[0];
+
+      for (var i = 1, ii = subbands.length; i < ii; i++) {
+        ll = this.iterate(ll, subbands[i], u0, v0);
+      }
+
+      return ll;
+    };
+
+    Transform.prototype.extend = function extend(buffer, offset, size) {
+      var i1 = offset - 1,
+          j1 = offset + 1;
+      var i2 = offset + size - 2,
+          j2 = offset + size;
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1] = buffer[j1];
+      buffer[j2] = buffer[i2];
+    };
+
+    Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
+      var llWidth = ll.width,
+          llHeight = ll.height,
+          llItems = ll.items;
+      var width = hl_lh_hh.width;
+      var height = hl_lh_hh.height;
+      var items = hl_lh_hh.items;
+      var i, j, k, l, u, v;
+
+      for (k = 0, i = 0; i < llHeight; i++) {
+        l = i * 2 * width;
+
+        for (j = 0; j < llWidth; j++, k++, l += 2) {
+          items[l] = llItems[k];
+        }
+      }
+
+      llItems = ll.items = null;
+      var bufferPadding = 4;
+      var rowBuffer = new Float32Array(width + 2 * bufferPadding);
+
+      if (width === 1) {
+        if ((u0 & 1) !== 0) {
+          for (v = 0, k = 0; v < height; v++, k += width) {
+            items[k] *= 0.5;
+          }
+        }
+      } else {
+        for (v = 0, k = 0; v < height; v++, k += width) {
+          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
+          this.extend(rowBuffer, bufferPadding, width);
+          this.filter(rowBuffer, bufferPadding, width);
+          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
+        }
+      }
+
+      var numBuffers = 16;
+      var colBuffers = [];
+
+      for (i = 0; i < numBuffers; i++) {
+        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
+      }
+
+      var b,
+          currentBuffer = 0;
+      ll = bufferPadding + height;
+
+      if (height === 1) {
+        if ((v0 & 1) !== 0) {
+          for (u = 0; u < width; u++) {
+            items[u] *= 0.5;
+          }
+        }
+      } else {
+        for (u = 0; u < width; u++) {
+          if (currentBuffer === 0) {
+            numBuffers = Math.min(width - u, numBuffers);
+
+            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                colBuffers[b][l] = items[k + b];
+              }
+            }
+
+            currentBuffer = numBuffers;
+          }
+
+          currentBuffer--;
+          var buffer = colBuffers[currentBuffer];
+          this.extend(buffer, bufferPadding, height);
+          this.filter(buffer, bufferPadding, height);
+
+          if (currentBuffer === 0) {
+            k = u - numBuffers + 1;
+
+            for (l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                items[k + b] = colBuffers[b][l];
+              }
+            }
+          }
+        }
+      }
+
+      return {
+        width,
+        height,
+        items
+      };
+    };
+
+    return Transform;
+  }();
+
+  var IrreversibleTransform = function IrreversibleTransformClosure() {
+    function IrreversibleTransform() {
+      Transform.call(this);
+    }
+
+    IrreversibleTransform.prototype = Object.create(Transform.prototype);
+
+    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n, current, next;
+      var alpha = -1.586134342059924;
+      var beta = -0.052980118572961;
+      var gamma = 0.882911075530934;
+      var delta = 0.443506852043971;
+      var K = 1.230174104914001;
+      var K_ = 1 / K;
+      j = offset - 3;
+
+      for (n = len + 4; n--; j += 2) {
+        x[j] *= K_;
+      }
+
+      j = offset - 2;
+      current = delta * x[j - 1];
+
+      for (n = len + 3; n--; j += 2) {
+        next = delta * x[j + 1];
+        x[j] = K * x[j] - current - next;
+
+        if (n--) {
+          j += 2;
+          current = delta * x[j + 1];
+          x[j] = K * x[j] - current - next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset - 1;
+      current = gamma * x[j - 1];
+
+      for (n = len + 2; n--; j += 2) {
+        next = gamma * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = gamma * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset;
+      current = beta * x[j - 1];
+
+      for (n = len + 1; n--; j += 2) {
+        next = beta * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = beta * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      if (len !== 0) {
+        j = offset + 1;
+        current = alpha * x[j - 1];
+
+        for (n = len; n--; j += 2) {
+          next = alpha * x[j + 1];
+          x[j] -= current + next;
+
+          if (n--) {
+            j += 2;
+            current = alpha * x[j + 1];
+            x[j] -= current + next;
+          } else {
+            break;
+          }
+        }
+      }
+    };
+
+    return IrreversibleTransform;
+  }();
+
+  var ReversibleTransform = function ReversibleTransformClosure() {
+    function ReversibleTransform() {
+      Transform.call(this);
+    }
+
+    ReversibleTransform.prototype = Object.create(Transform.prototype);
+
+    ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n;
+
+      for (j = offset, n = len + 1; n--; j += 2) {
+        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
+      }
+
+      for (j = offset + 1, n = len; n--; j += 2) {
+        x[j] += x[j - 1] + x[j + 1] >> 1;
+      }
+    };
+
+    return ReversibleTransform;
+  }();
+
+  return JpxImage;
+}();
+
+exports.JpxImage = JpxImage;
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.calculateSHA512 = exports.calculateSHA384 = exports.calculateSHA256 = exports.calculateMD5 = exports.PDF20 = exports.PDF17 = exports.CipherTransformFactory = exports.ARCFourCipher = exports.AES256Cipher = exports.AES128Cipher = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _stream = __w_pdfjs_require__(12);
+
+var ARCFourCipher = function ARCFourCipherClosure() {
+  function ARCFourCipher(key) {
+    this.a = 0;
+    this.b = 0;
+    var s = new Uint8Array(256);
+    var i,
+        j = 0,
+        tmp,
+        keyLength = key.length;
+
+    for (i = 0; i < 256; ++i) {
+      s[i] = i;
+    }
+
+    for (i = 0; i < 256; ++i) {
+      tmp = s[i];
+      j = j + tmp + key[i % keyLength] & 0xff;
+      s[i] = s[j];
+      s[j] = tmp;
+    }
+
+    this.s = s;
+  }
+
+  ARCFourCipher.prototype = {
+    encryptBlock: function ARCFourCipher_encryptBlock(data) {
+      var i,
+          n = data.length,
+          tmp,
+          tmp2;
+      var a = this.a,
+          b = this.b,
+          s = this.s;
+      var output = new Uint8Array(n);
+
+      for (i = 0; i < n; ++i) {
+        a = a + 1 & 0xff;
+        tmp = s[a];
+        b = b + tmp & 0xff;
+        tmp2 = s[b];
+        s[a] = tmp2;
+        s[b] = tmp;
+        output[i] = data[i] ^ s[tmp + tmp2 & 0xff];
+      }
+
+      this.a = a;
+      this.b = b;
+      return output;
+    }
+  };
+  ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;
+  ARCFourCipher.prototype.encrypt = ARCFourCipher.prototype.encryptBlock;
+  return ARCFourCipher;
+}();
+
+exports.ARCFourCipher = ARCFourCipher;
+
+var calculateMD5 = function calculateMD5Closure() {
+  var r = new Uint8Array([7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);
+  var k = new Int32Array([-680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, -145523070, -1120210379, 718787259, -343485551]);
+
+  function hash(data, offset, length) {
+    var h0 = 1732584193,
+        h1 = -271733879,
+        h2 = -1732584194,
+        h3 = 271733878;
+    var paddedLength = length + 72 & ~63;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = length << 3 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    var w = new Int32Array(16);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j, i += 4) {
+        w[j] = padded[i] | padded[i + 1] << 8 | padded[i + 2] << 16 | padded[i + 3] << 24;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          f,
+          g;
+
+      for (j = 0; j < 64; ++j) {
+        if (j < 16) {
+          f = b & c | ~b & d;
+          g = j;
+        } else if (j < 32) {
+          f = d & b | ~d & c;
+          g = 5 * j + 1 & 15;
+        } else if (j < 48) {
+          f = b ^ c ^ d;
+          g = 3 * j + 5 & 15;
+        } else {
+          f = c ^ (b | ~d);
+          g = 7 * j & 15;
+        }
+
+        var tmp = d,
+            rotateArg = a + f + k[j] + w[g] | 0,
+            rotate = r[j];
+        d = c;
+        c = b;
+        b = b + (rotateArg << rotate | rotateArg >>> 32 - rotate) | 0;
+        a = tmp;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+    }
+
+    return new Uint8Array([h0 & 0xFF, h0 >> 8 & 0xFF, h0 >> 16 & 0xFF, h0 >>> 24 & 0xFF, h1 & 0xFF, h1 >> 8 & 0xFF, h1 >> 16 & 0xFF, h1 >>> 24 & 0xFF, h2 & 0xFF, h2 >> 8 & 0xFF, h2 >> 16 & 0xFF, h2 >>> 24 & 0xFF, h3 & 0xFF, h3 >> 8 & 0xFF, h3 >> 16 & 0xFF, h3 >>> 24 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateMD5 = calculateMD5;
+
+var Word64 = function Word64Closure() {
+  function Word64(highInteger, lowInteger) {
+    this.high = highInteger | 0;
+    this.low = lowInteger | 0;
+  }
+
+  Word64.prototype = {
+    and: function Word64_and(word) {
+      this.high &= word.high;
+      this.low &= word.low;
+    },
+    xor: function Word64_xor(word) {
+      this.high ^= word.high;
+      this.low ^= word.low;
+    },
+    or: function Word64_or(word) {
+      this.high |= word.high;
+      this.low |= word.low;
+    },
+    shiftRight: function Word64_shiftRight(places) {
+      if (places >= 32) {
+        this.low = this.high >>> places - 32 | 0;
+        this.high = 0;
+      } else {
+        this.low = this.low >>> places | this.high << 32 - places;
+        this.high = this.high >>> places | 0;
+      }
+    },
+    shiftLeft: function Word64_shiftLeft(places) {
+      if (places >= 32) {
+        this.high = this.low << places - 32;
+        this.low = 0;
+      } else {
+        this.high = this.high << places | this.low >>> 32 - places;
+        this.low = this.low << places;
+      }
+    },
+    rotateRight: function Word64_rotateRight(places) {
+      var low, high;
+
+      if (places & 32) {
+        high = this.low;
+        low = this.high;
+      } else {
+        low = this.low;
+        high = this.high;
+      }
+
+      places &= 31;
+      this.low = low >>> places | high << 32 - places;
+      this.high = high >>> places | low << 32 - places;
+    },
+    not: function Word64_not() {
+      this.high = ~this.high;
+      this.low = ~this.low;
+    },
+    add: function Word64_add(word) {
+      var lowAdd = (this.low >>> 0) + (word.low >>> 0);
+      var highAdd = (this.high >>> 0) + (word.high >>> 0);
+
+      if (lowAdd > 0xffffffff) {
+        highAdd += 1;
+      }
+
+      this.low = lowAdd | 0;
+      this.high = highAdd | 0;
+    },
+    copyTo: function Word64_copyTo(bytes, offset) {
+      bytes[offset] = this.high >>> 24 & 0xff;
+      bytes[offset + 1] = this.high >> 16 & 0xff;
+      bytes[offset + 2] = this.high >> 8 & 0xff;
+      bytes[offset + 3] = this.high & 0xff;
+      bytes[offset + 4] = this.low >>> 24 & 0xff;
+      bytes[offset + 5] = this.low >> 16 & 0xff;
+      bytes[offset + 6] = this.low >> 8 & 0xff;
+      bytes[offset + 7] = this.low & 0xff;
+    },
+    assign: function Word64_assign(word) {
+      this.high = word.high;
+      this.low = word.low;
+    }
+  };
+  return Word64;
+}();
+
+var calculateSHA256 = function calculateSHA256Closure() {
+  function rotr(x, n) {
+    return x >>> n | x << 32 - n;
+  }
+
+  function ch(x, y, z) {
+    return x & y ^ ~x & z;
+  }
+
+  function maj(x, y, z) {
+    return x & y ^ x & z ^ y & z;
+  }
+
+  function sigma(x) {
+    return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22);
+  }
+
+  function sigmaPrime(x) {
+    return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25);
+  }
+
+  function littleSigma(x) {
+    return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3;
+  }
+
+  function littleSigmaPrime(x) {
+    return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10;
+  }
+
+  var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];
+
+  function hash(data, offset, length) {
+    var h0 = 0x6a09e667,
+        h1 = 0xbb67ae85,
+        h2 = 0x3c6ef372,
+        h3 = 0xa54ff53a,
+        h4 = 0x510e527f,
+        h5 = 0x9b05688c,
+        h6 = 0x1f83d9ab,
+        h7 = 0x5be0cd19;
+    var paddedLength = Math.ceil((length + 9) / 64) * 64;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Uint32Array(64);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j] = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        i += 4;
+      }
+
+      for (j = 16; j < 64; ++j) {
+        w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + littleSigma(w[j - 15]) + w[j - 16] | 0;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          e = h4,
+          f = h5,
+          g = h6,
+          h = h7,
+          t1,
+          t2;
+
+      for (j = 0; j < 64; ++j) {
+        t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j];
+        t2 = sigma(a) + maj(a, b, c);
+        h = g;
+        g = f;
+        f = e;
+        e = d + t1 | 0;
+        d = c;
+        c = b;
+        b = a;
+        a = t1 + t2 | 0;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+      h4 = h4 + e | 0;
+      h5 = h5 + f | 0;
+      h6 = h6 + g | 0;
+      h7 = h7 + h | 0;
+    }
+
+    return new Uint8Array([h0 >> 24 & 0xFF, h0 >> 16 & 0xFF, h0 >> 8 & 0xFF, h0 & 0xFF, h1 >> 24 & 0xFF, h1 >> 16 & 0xFF, h1 >> 8 & 0xFF, h1 & 0xFF, h2 >> 24 & 0xFF, h2 >> 16 & 0xFF, h2 >> 8 & 0xFF, h2 & 0xFF, h3 >> 24 & 0xFF, h3 >> 16 & 0xFF, h3 >> 8 & 0xFF, h3 & 0xFF, h4 >> 24 & 0xFF, h4 >> 16 & 0xFF, h4 >> 8 & 0xFF, h4 & 0xFF, h5 >> 24 & 0xFF, h5 >> 16 & 0xFF, h5 >> 8 & 0xFF, h5 & 0xFF, h6 >> 24 & 0xFF, h6 >> 16 & 0xFF, h6 >> 8 & 0xFF, h6 & 0xFF, h7 >> 24 & 0xFF, h7 >> 16 & 0xFF, h7 >> 8 & 0xFF, h7 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA256 = calculateSHA256;
+
+var calculateSHA512 = function calculateSHA512Closure() {
+  function ch(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.not();
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function maj(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.and(z);
+    result.xor(tmp);
+    tmp.assign(y);
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function sigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(28);
+    tmp.assign(x);
+    tmp.rotateRight(34);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(39);
+    result.xor(tmp);
+  }
+
+  function sigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(14);
+    tmp.assign(x);
+    tmp.rotateRight(18);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(41);
+    result.xor(tmp);
+  }
+
+  function littleSigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(1);
+    tmp.assign(x);
+    tmp.rotateRight(8);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(7);
+    result.xor(tmp);
+  }
+
+  function littleSigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(19);
+    tmp.assign(x);
+    tmp.rotateRight(61);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(6);
+    result.xor(tmp);
+  }
+
+  var k = [new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)];
+
+  function hash(data, offset, length, mode384) {
+    mode384 = !!mode384;
+    var h0, h1, h2, h3, h4, h5, h6, h7;
+
+    if (!mode384) {
+      h0 = new Word64(0x6a09e667, 0xf3bcc908);
+      h1 = new Word64(0xbb67ae85, 0x84caa73b);
+      h2 = new Word64(0x3c6ef372, 0xfe94f82b);
+      h3 = new Word64(0xa54ff53a, 0x5f1d36f1);
+      h4 = new Word64(0x510e527f, 0xade682d1);
+      h5 = new Word64(0x9b05688c, 0x2b3e6c1f);
+      h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);
+      h7 = new Word64(0x5be0cd19, 0x137e2179);
+    } else {
+      h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);
+      h1 = new Word64(0x629a292a, 0x367cd507);
+      h2 = new Word64(0x9159015a, 0x3070dd17);
+      h3 = new Word64(0x152fecd8, 0xf70e5939);
+      h4 = new Word64(0x67332667, 0xffc00b31);
+      h5 = new Word64(0x8eb44a87, 0x68581511);
+      h6 = new Word64(0xdb0c2e0d, 0x64f98fa7);
+      h7 = new Word64(0x47b5481d, 0xbefa4fa4);
+    }
+
+    var paddedLength = Math.ceil((length + 17) / 128) * 128;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 16;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Array(80);
+
+    for (i = 0; i < 80; i++) {
+      w[i] = new Word64(0, 0);
+    }
+
+    var a = new Word64(0, 0),
+        b = new Word64(0, 0),
+        c = new Word64(0, 0);
+    var d = new Word64(0, 0),
+        e = new Word64(0, 0),
+        f = new Word64(0, 0);
+    var g = new Word64(0, 0),
+        h = new Word64(0, 0);
+    var t1 = new Word64(0, 0),
+        t2 = new Word64(0, 0);
+    var tmp1 = new Word64(0, 0),
+        tmp2 = new Word64(0, 0),
+        tmp3;
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j].high = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        w[j].low = padded[i + 4] << 24 | padded[i + 5] << 16 | padded[i + 6] << 8 | padded[i + 7];
+        i += 8;
+      }
+
+      for (j = 16; j < 80; ++j) {
+        tmp3 = w[j];
+        littleSigmaPrime(tmp3, w[j - 2], tmp2);
+        tmp3.add(w[j - 7]);
+        littleSigma(tmp1, w[j - 15], tmp2);
+        tmp3.add(tmp1);
+        tmp3.add(w[j - 16]);
+      }
+
+      a.assign(h0);
+      b.assign(h1);
+      c.assign(h2);
+      d.assign(h3);
+      e.assign(h4);
+      f.assign(h5);
+      g.assign(h6);
+      h.assign(h7);
+
+      for (j = 0; j < 80; ++j) {
+        t1.assign(h);
+        sigmaPrime(tmp1, e, tmp2);
+        t1.add(tmp1);
+        ch(tmp1, e, f, g, tmp2);
+        t1.add(tmp1);
+        t1.add(k[j]);
+        t1.add(w[j]);
+        sigma(t2, a, tmp2);
+        maj(tmp1, a, b, c, tmp2);
+        t2.add(tmp1);
+        tmp3 = h;
+        h = g;
+        g = f;
+        f = e;
+        d.add(t1);
+        e = d;
+        d = c;
+        c = b;
+        b = a;
+        tmp3.assign(t1);
+        tmp3.add(t2);
+        a = tmp3;
+      }
+
+      h0.add(a);
+      h1.add(b);
+      h2.add(c);
+      h3.add(d);
+      h4.add(e);
+      h5.add(f);
+      h6.add(g);
+      h7.add(h);
+    }
+
+    var result;
+
+    if (!mode384) {
+      result = new Uint8Array(64);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+      h6.copyTo(result, 48);
+      h7.copyTo(result, 56);
+    } else {
+      result = new Uint8Array(48);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+    }
+
+    return result;
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA512 = calculateSHA512;
+
+var calculateSHA384 = function calculateSHA384Closure() {
+  function hash(data, offset, length) {
+    return calculateSHA512(data, offset, length, true);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA384 = calculateSHA384;
+
+var NullCipher = function NullCipherClosure() {
+  function NullCipher() {}
+
+  NullCipher.prototype = {
+    decryptBlock: function NullCipher_decryptBlock(data) {
+      return data;
+    },
+    encrypt: function NullCipher_encrypt(data) {
+      return data;
+    }
+  };
+  return NullCipher;
+}();
+
+class AESBaseCipher {
+  constructor() {
+    if (this.constructor === AESBaseCipher) {
+      (0, _util.unreachable)("Cannot initialize AESBaseCipher.");
+    }
+
+    this._s = new Uint8Array([0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16]);
+    this._inv_s = new Uint8Array([0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d]);
+    this._mix = new Uint32Array([0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]);
+    this._mixCol = new Uint8Array(256);
+
+    for (let i = 0; i < 256; i++) {
+      if (i < 128) {
+        this._mixCol[i] = i << 1;
+      } else {
+        this._mixCol[i] = i << 1 ^ 0x1b;
+      }
+    }
+
+    this.buffer = new Uint8Array(16);
+    this.bufferPosition = 0;
+  }
+
+  _expandKey(cipherKey) {
+    (0, _util.unreachable)("Cannot call `_expandKey` on the base class");
+  }
+
+  _decrypt(input, key) {
+    let t, u, v;
+    const state = new Uint8Array(16);
+    state.set(input);
+
+    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {
+      state[j] ^= key[k];
+    }
+
+    for (let i = this._cyclesOfRepetition - 1; i >= 1; --i) {
+      t = state[13];
+      state[13] = state[9];
+      state[9] = state[5];
+      state[5] = state[1];
+      state[1] = t;
+      t = state[14];
+      u = state[10];
+      state[14] = state[6];
+      state[10] = state[2];
+      state[6] = t;
+      state[2] = u;
+      t = state[15];
+      u = state[11];
+      v = state[7];
+      state[15] = state[3];
+      state[11] = t;
+      state[7] = u;
+      state[3] = v;
+
+      for (let j = 0; j < 16; ++j) {
+        state[j] = this._inv_s[state[j]];
+      }
+
+      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {
+        state[j] ^= key[k];
+      }
+
+      for (let j = 0; j < 16; j += 4) {
+        const s0 = this._mix[state[j]];
+        const s1 = this._mix[state[j + 1]];
+        const s2 = this._mix[state[j + 2]];
+        const s3 = this._mix[state[j + 3]];
+        t = s0 ^ s1 >>> 8 ^ s1 << 24 ^ s2 >>> 16 ^ s2 << 16 ^ s3 >>> 24 ^ s3 << 8;
+        state[j] = t >>> 24 & 0xff;
+        state[j + 1] = t >> 16 & 0xff;
+        state[j + 2] = t >> 8 & 0xff;
+        state[j + 3] = t & 0xff;
+      }
+    }
+
+    t = state[13];
+    state[13] = state[9];
+    state[9] = state[5];
+    state[5] = state[1];
+    state[1] = t;
+    t = state[14];
+    u = state[10];
+    state[14] = state[6];
+    state[10] = state[2];
+    state[6] = t;
+    state[2] = u;
+    t = state[15];
+    u = state[11];
+    v = state[7];
+    state[15] = state[3];
+    state[11] = t;
+    state[7] = u;
+    state[3] = v;
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] = this._inv_s[state[j]];
+      state[j] ^= key[j];
+    }
+
+    return state;
+  }
+
+  _encrypt(input, key) {
+    const s = this._s;
+    let t, u, v;
+    const state = new Uint8Array(16);
+    state.set(input);
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] ^= key[j];
+    }
+
+    for (let i = 1; i < this._cyclesOfRepetition; i++) {
+      for (let j = 0; j < 16; ++j) {
+        state[j] = s[state[j]];
+      }
+
+      v = state[1];
+      state[1] = state[5];
+      state[5] = state[9];
+      state[9] = state[13];
+      state[13] = v;
+      v = state[2];
+      u = state[6];
+      state[2] = state[10];
+      state[6] = state[14];
+      state[10] = v;
+      state[14] = u;
+      v = state[3];
+      u = state[7];
+      t = state[11];
+      state[3] = state[15];
+      state[7] = v;
+      state[11] = u;
+      state[15] = t;
+
+      for (let j = 0; j < 16; j += 4) {
+        const s0 = state[j + 0];
+        const s1 = state[j + 1];
+        const s2 = state[j + 2];
+        const s3 = state[j + 3];
+        t = s0 ^ s1 ^ s2 ^ s3;
+        state[j + 0] ^= t ^ this._mixCol[s0 ^ s1];
+        state[j + 1] ^= t ^ this._mixCol[s1 ^ s2];
+        state[j + 2] ^= t ^ this._mixCol[s2 ^ s3];
+        state[j + 3] ^= t ^ this._mixCol[s3 ^ s0];
+      }
+
+      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {
+        state[j] ^= key[k];
+      }
+    }
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] = s[state[j]];
+    }
+
+    v = state[1];
+    state[1] = state[5];
+    state[5] = state[9];
+    state[9] = state[13];
+    state[13] = v;
+    v = state[2];
+    u = state[6];
+    state[2] = state[10];
+    state[6] = state[14];
+    state[10] = v;
+    state[14] = u;
+    v = state[3];
+    u = state[7];
+    t = state[11];
+    state[3] = state[15];
+    state[7] = v;
+    state[11] = u;
+    state[15] = t;
+
+    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {
+      state[j] ^= key[k];
+    }
+
+    return state;
+  }
+
+  _decryptBlock2(data, finalize) {
+    const sourceLength = data.length;
+    let buffer = this.buffer,
+        bufferLength = this.bufferPosition;
+    const result = [];
+    let iv = this.iv;
+
+    for (let i = 0; i < sourceLength; ++i) {
+      buffer[bufferLength] = data[i];
+      ++bufferLength;
+
+      if (bufferLength < 16) {
+        continue;
+      }
+
+      const plain = this._decrypt(buffer, this._key);
+
+      for (let j = 0; j < 16; ++j) {
+        plain[j] ^= iv[j];
+      }
+
+      iv = buffer;
+      result.push(plain);
+      buffer = new Uint8Array(16);
+      bufferLength = 0;
+    }
+
+    this.buffer = buffer;
+    this.bufferLength = bufferLength;
+    this.iv = iv;
+
+    if (result.length === 0) {
+      return new Uint8Array(0);
+    }
+
+    let outputLength = 16 * result.length;
+
+    if (finalize) {
+      const lastBlock = result[result.length - 1];
+      let psLen = lastBlock[15];
+
+      if (psLen <= 16) {
+        for (let i = 15, ii = 16 - psLen; i >= ii; --i) {
+          if (lastBlock[i] !== psLen) {
+            psLen = 0;
+            break;
+          }
+        }
+
+        outputLength -= psLen;
+        result[result.length - 1] = lastBlock.subarray(0, 16 - psLen);
+      }
+    }
+
+    const output = new Uint8Array(outputLength);
+
+    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {
+      output.set(result[i], j);
+    }
+
+    return output;
+  }
+
+  decryptBlock(data, finalize, iv = null) {
+    const sourceLength = data.length;
+    const buffer = this.buffer;
+    let bufferLength = this.bufferPosition;
+
+    if (iv) {
+      this.iv = iv;
+    } else {
+      for (let i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) {
+        buffer[bufferLength] = data[i];
+      }
+
+      if (bufferLength < 16) {
+        this.bufferLength = bufferLength;
+        return new Uint8Array(0);
+      }
+
+      this.iv = buffer;
+      data = data.subarray(16);
+    }
+
+    this.buffer = new Uint8Array(16);
+    this.bufferLength = 0;
+    this.decryptBlock = this._decryptBlock2;
+    return this.decryptBlock(data, finalize);
+  }
+
+  encrypt(data, iv) {
+    const sourceLength = data.length;
+    let buffer = this.buffer,
+        bufferLength = this.bufferPosition;
+    const result = [];
+
+    if (!iv) {
+      iv = new Uint8Array(16);
+    }
+
+    for (let i = 0; i < sourceLength; ++i) {
+      buffer[bufferLength] = data[i];
+      ++bufferLength;
+
+      if (bufferLength < 16) {
+        continue;
+      }
+
+      for (let j = 0; j < 16; ++j) {
+        buffer[j] ^= iv[j];
+      }
+
+      const cipher = this._encrypt(buffer, this._key);
+
+      iv = cipher;
+      result.push(cipher);
+      buffer = new Uint8Array(16);
+      bufferLength = 0;
+    }
+
+    this.buffer = buffer;
+    this.bufferLength = bufferLength;
+    this.iv = iv;
+
+    if (result.length === 0) {
+      return new Uint8Array(0);
+    }
+
+    const outputLength = 16 * result.length;
+    const output = new Uint8Array(outputLength);
+
+    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {
+      output.set(result[i], j);
+    }
+
+    return output;
+  }
+
+}
+
+class AES128Cipher extends AESBaseCipher {
+  constructor(key) {
+    super();
+    this._cyclesOfRepetition = 10;
+    this._keySize = 160;
+    this._rcon = new Uint8Array([0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d]);
+    this._key = this._expandKey(key);
+  }
+
+  _expandKey(cipherKey) {
+    const b = 176;
+    const s = this._s;
+    const rcon = this._rcon;
+    const result = new Uint8Array(b);
+    result.set(cipherKey);
+
+    for (let j = 16, i = 1; j < b; ++i) {
+      let t1 = result[j - 3];
+      let t2 = result[j - 2];
+      let t3 = result[j - 1];
+      let t4 = result[j - 4];
+      t1 = s[t1];
+      t2 = s[t2];
+      t3 = s[t3];
+      t4 = s[t4];
+      t1 = t1 ^ rcon[i];
+
+      for (let n = 0; n < 4; ++n) {
+        result[j] = t1 ^= result[j - 16];
+        j++;
+        result[j] = t2 ^= result[j - 16];
+        j++;
+        result[j] = t3 ^= result[j - 16];
+        j++;
+        result[j] = t4 ^= result[j - 16];
+        j++;
+      }
+    }
+
+    return result;
+  }
+
+}
+
+exports.AES128Cipher = AES128Cipher;
+
+class AES256Cipher extends AESBaseCipher {
+  constructor(key) {
+    super();
+    this._cyclesOfRepetition = 14;
+    this._keySize = 224;
+    this._key = this._expandKey(key);
+  }
+
+  _expandKey(cipherKey) {
+    const b = 240;
+    const s = this._s;
+    const result = new Uint8Array(b);
+    result.set(cipherKey);
+    let r = 1;
+    let t1, t2, t3, t4;
+
+    for (let j = 32, i = 1; j < b; ++i) {
+      if (j % 32 === 16) {
+        t1 = s[t1];
+        t2 = s[t2];
+        t3 = s[t3];
+        t4 = s[t4];
+      } else if (j % 32 === 0) {
+        t1 = result[j - 3];
+        t2 = result[j - 2];
+        t3 = result[j - 1];
+        t4 = result[j - 4];
+        t1 = s[t1];
+        t2 = s[t2];
+        t3 = s[t3];
+        t4 = s[t4];
+        t1 = t1 ^ r;
+
+        if ((r <<= 1) >= 256) {
+          r = (r ^ 0x1b) & 0xff;
+        }
+      }
+
+      for (let n = 0; n < 4; ++n) {
+        result[j] = t1 ^= result[j - 32];
+        j++;
+        result[j] = t2 ^= result[j - 32];
+        j++;
+        result[j] = t3 ^= result[j - 32];
+        j++;
+        result[j] = t4 ^= result[j - 32];
+        j++;
+      }
+    }
+
+    return result;
+  }
+
+}
+
+exports.AES256Cipher = AES256Cipher;
+
+var PDF17 = function PDF17Closure() {
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function PDF17() {}
+
+  PDF17.prototype = {
+    checkOwnerPassword: function PDF17_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF17_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF17_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF17;
+}();
+
+exports.PDF17 = PDF17;
+
+var PDF20 = function PDF20Closure() {
+  function concatArrays(array1, array2) {
+    var t = new Uint8Array(array1.length + array2.length);
+    t.set(array1, 0);
+    t.set(array2, array1.length);
+    return t;
+  }
+
+  function calculatePDF20Hash(password, input, userBytes) {
+    var k = calculateSHA256(input, 0, input.length).subarray(0, 32);
+    var e = [0];
+    var i = 0;
+
+    while (i < 64 || e[e.length - 1] > i - 32) {
+      var arrayLength = password.length + k.length + userBytes.length;
+      var k1 = new Uint8Array(arrayLength * 64);
+      var array = concatArrays(password, k);
+      array = concatArrays(array, userBytes);
+
+      for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {
+        k1.set(array, pos);
+      }
+
+      var cipher = new AES128Cipher(k.subarray(0, 16));
+      e = cipher.encrypt(k1, k.subarray(16, 32));
+      var remainder = 0;
+
+      for (var z = 0; z < 16; z++) {
+        remainder *= 256 % 3;
+        remainder %= 3;
+        remainder += (e[z] >>> 0) % 3;
+        remainder %= 3;
+      }
+
+      if (remainder === 0) {
+        k = calculateSHA256(e, 0, e.length);
+      } else if (remainder === 1) {
+        k = calculateSHA384(e, 0, e.length);
+      } else if (remainder === 2) {
+        k = calculateSHA512(e, 0, e.length);
+      }
+
+      i++;
+    }
+
+    return k.subarray(0, 32);
+  }
+
+  function PDF20() {}
+
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  PDF20.prototype = {
+    hash: function PDF20_hash(password, concatBytes, userBytes) {
+      return calculatePDF20Hash(password, concatBytes, userBytes);
+    },
+    checkOwnerPassword: function PDF20_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculatePDF20Hash(password, hashData, userBytes);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF20_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculatePDF20Hash(password, hashData, []);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculatePDF20Hash(password, hashData, userBytes);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF20_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculatePDF20Hash(password, hashData, []);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF20;
+}();
+
+exports.PDF20 = PDF20;
+
+var CipherTransform = function CipherTransformClosure() {
+  function CipherTransform(stringCipherConstructor, streamCipherConstructor) {
+    this.StringCipherConstructor = stringCipherConstructor;
+    this.StreamCipherConstructor = streamCipherConstructor;
+  }
+
+  CipherTransform.prototype = {
+    createStream: function CipherTransform_createStream(stream, length) {
+      var cipher = new this.StreamCipherConstructor();
+      return new _stream.DecryptStream(stream, length, function cipherTransformDecryptStream(data, finalize) {
+        return cipher.decryptBlock(data, finalize);
+      });
+    },
+    decryptString: function CipherTransform_decryptString(s) {
+      var cipher = new this.StringCipherConstructor();
+      var data = (0, _util.stringToBytes)(s);
+      data = cipher.decryptBlock(data, true);
+      return (0, _util.bytesToString)(data);
+    },
+    encryptString: function CipherTransform_encryptString(s) {
+      const cipher = new this.StringCipherConstructor();
+
+      if (cipher instanceof AESBaseCipher) {
+        const strLen = s.length;
+        const pad = 16 - strLen % 16;
+
+        if (pad !== 16) {
+          s = s.padEnd(16 * Math.ceil(strLen / 16), String.fromCharCode(pad));
+        }
+
+        const iv = new Uint8Array(16);
+
+        if (typeof crypto !== "undefined") {
+          crypto.getRandomValues(iv);
+        } else {
+          for (let i = 0; i < 16; i++) {
+            iv[i] = Math.floor(256 * Math.random());
+          }
+        }
+
+        let data = (0, _util.stringToBytes)(s);
+        data = cipher.encrypt(data, iv);
+        const buf = new Uint8Array(16 + data.length);
+        buf.set(iv);
+        buf.set(data, 16);
+        return (0, _util.bytesToString)(buf);
+      }
+
+      let data = (0, _util.stringToBytes)(s);
+      data = cipher.encrypt(data);
+      return (0, _util.bytesToString)(data);
+    }
+  };
+  return CipherTransform;
+}();
+
+var CipherTransformFactory = function CipherTransformFactoryClosure() {
+  var defaultPasswordBytes = new Uint8Array([0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
+
+  function createEncryptionKey20(revision, password, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms) {
+    if (password) {
+      var passwordLength = Math.min(127, password.length);
+      password = password.subarray(0, passwordLength);
+    } else {
+      password = [];
+    }
+
+    var pdfAlgorithm;
+
+    if (revision === 6) {
+      pdfAlgorithm = new PDF20();
+    } else {
+      pdfAlgorithm = new PDF17();
+    }
+
+    if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)) {
+      return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);
+    } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, uBytes, ownerPassword)) {
+      return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);
+    }
+
+    return null;
+  }
+
+  function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata) {
+    var hashDataSize = 40 + ownerPassword.length + fileId.length;
+    var hashData = new Uint8Array(hashDataSize),
+        i = 0,
+        j,
+        n;
+
+    if (password) {
+      n = Math.min(32, password.length);
+
+      for (; i < n; ++i) {
+        hashData[i] = password[i];
+      }
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    for (j = 0, n = ownerPassword.length; j < n; ++j) {
+      hashData[i++] = ownerPassword[j];
+    }
+
+    hashData[i++] = flags & 0xff;
+    hashData[i++] = flags >> 8 & 0xff;
+    hashData[i++] = flags >> 16 & 0xff;
+    hashData[i++] = flags >>> 24 & 0xff;
+
+    for (j = 0, n = fileId.length; j < n; ++j) {
+      hashData[i++] = fileId[j];
+    }
+
+    if (revision >= 4 && !encryptMetadata) {
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, keyLengthInBytes);
+      }
+    }
+
+    var encryptionKey = hash.subarray(0, keyLengthInBytes);
+    var cipher, checkData;
+
+    if (revision >= 3) {
+      for (i = 0; i < 32; ++i) {
+        hashData[i] = defaultPasswordBytes[i];
+      }
+
+      for (j = 0, n = fileId.length; j < n; ++j) {
+        hashData[i++] = fileId[j];
+      }
+
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));
+      n = encryptionKey.length;
+      var derivedKey = new Uint8Array(n),
+          k;
+
+      for (j = 1; j <= 19; ++j) {
+        for (k = 0; k < n; ++k) {
+          derivedKey[k] = encryptionKey[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        checkData = cipher.encryptBlock(checkData);
+      }
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    } else {
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(defaultPasswordBytes);
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    }
+
+    return encryptionKey;
+  }
+
+  function decodeUserPassword(password, ownerPassword, revision, keyLength) {
+    var hashData = new Uint8Array(32),
+        i = 0,
+        j,
+        n;
+    n = Math.min(32, password.length);
+
+    for (; i < n; ++i) {
+      hashData[i] = password[i];
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, hash.length);
+      }
+    }
+
+    var cipher, userPassword;
+
+    if (revision >= 3) {
+      userPassword = ownerPassword;
+      var derivedKey = new Uint8Array(keyLengthInBytes),
+          k;
+
+      for (j = 19; j >= 0; j--) {
+        for (k = 0; k < keyLengthInBytes; ++k) {
+          derivedKey[k] = hash[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        userPassword = cipher.encryptBlock(userPassword);
+      }
+    } else {
+      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));
+      userPassword = cipher.encryptBlock(ownerPassword);
+    }
+
+    return userPassword;
+  }
+
+  var identityName = _primitives.Name.get("Identity");
+
+  function CipherTransformFactory(dict, fileId, password) {
+    var filter = dict.get("Filter");
+
+    if (!(0, _primitives.isName)(filter, "Standard")) {
+      throw new _util.FormatError("unknown encryption method");
+    }
+
+    this.dict = dict;
+    var algorithm = dict.get("V");
+
+    if (!Number.isInteger(algorithm) || algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5) {
+      throw new _util.FormatError("unsupported encryption algorithm");
+    }
+
+    this.algorithm = algorithm;
+    var keyLength = dict.get("Length");
+
+    if (!keyLength) {
+      if (algorithm <= 3) {
+        keyLength = 40;
+      } else {
+        var cfDict = dict.get("CF");
+        var streamCryptoName = dict.get("StmF");
+
+        if ((0, _primitives.isDict)(cfDict) && (0, _primitives.isName)(streamCryptoName)) {
+          cfDict.suppressEncryption = true;
+          var handlerDict = cfDict.get(streamCryptoName.name);
+          keyLength = handlerDict && handlerDict.get("Length") || 128;
+
+          if (keyLength < 40) {
+            keyLength <<= 3;
+          }
+        }
+      }
+    }
+
+    if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {
+      throw new _util.FormatError("invalid key length");
+    }
+
+    var ownerPassword = (0, _util.stringToBytes)(dict.get("O")).subarray(0, 32);
+    var userPassword = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 32);
+    var flags = dict.get("P");
+    var revision = dict.get("R");
+    var encryptMetadata = (algorithm === 4 || algorithm === 5) && dict.get("EncryptMetadata") !== false;
+    this.encryptMetadata = encryptMetadata;
+    var fileIdBytes = (0, _util.stringToBytes)(fileId);
+    var passwordBytes;
+
+    if (password) {
+      if (revision === 6) {
+        try {
+          password = (0, _util.utf8StringToString)(password);
+        } catch (ex) {
+          (0, _util.warn)("CipherTransformFactory: " + "Unable to convert UTF8 encoded password.");
+        }
+      }
+
+      passwordBytes = (0, _util.stringToBytes)(password);
+    }
+
+    var encryptionKey;
+
+    if (algorithm !== 5) {
+      encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    } else {
+      var ownerValidationSalt = (0, _util.stringToBytes)(dict.get("O")).subarray(32, 40);
+      var ownerKeySalt = (0, _util.stringToBytes)(dict.get("O")).subarray(40, 48);
+      var uBytes = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 48);
+      var userValidationSalt = (0, _util.stringToBytes)(dict.get("U")).subarray(32, 40);
+      var userKeySalt = (0, _util.stringToBytes)(dict.get("U")).subarray(40, 48);
+      var ownerEncryption = (0, _util.stringToBytes)(dict.get("OE"));
+      var userEncryption = (0, _util.stringToBytes)(dict.get("UE"));
+      var perms = (0, _util.stringToBytes)(dict.get("Perms"));
+      encryptionKey = createEncryptionKey20(revision, passwordBytes, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms);
+    }
+
+    if (!encryptionKey && !password) {
+      throw new _util.PasswordException("No password given", _util.PasswordResponses.NEED_PASSWORD);
+    } else if (!encryptionKey && password) {
+      var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, revision, keyLength);
+      encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    }
+
+    if (!encryptionKey) {
+      throw new _util.PasswordException("Incorrect Password", _util.PasswordResponses.INCORRECT_PASSWORD);
+    }
+
+    this.encryptionKey = encryptionKey;
+
+    if (algorithm >= 4) {
+      var cf = dict.get("CF");
+
+      if ((0, _primitives.isDict)(cf)) {
+        cf.suppressEncryption = true;
+      }
+
+      this.cf = cf;
+      this.stmf = dict.get("StmF") || identityName;
+      this.strf = dict.get("StrF") || identityName;
+      this.eff = dict.get("EFF") || this.stmf;
+    }
+  }
+
+  function buildObjectKey(num, gen, encryptionKey, isAes) {
+    var key = new Uint8Array(encryptionKey.length + 9),
+        i,
+        n;
+
+    for (i = 0, n = encryptionKey.length; i < n; ++i) {
+      key[i] = encryptionKey[i];
+    }
+
+    key[i++] = num & 0xff;
+    key[i++] = num >> 8 & 0xff;
+    key[i++] = num >> 16 & 0xff;
+    key[i++] = gen & 0xff;
+    key[i++] = gen >> 8 & 0xff;
+
+    if (isAes) {
+      key[i++] = 0x73;
+      key[i++] = 0x41;
+      key[i++] = 0x6c;
+      key[i++] = 0x54;
+    }
+
+    var hash = calculateMD5(key, 0, i);
+    return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));
+  }
+
+  function buildCipherConstructor(cf, name, num, gen, key) {
+    if (!(0, _primitives.isName)(name)) {
+      throw new _util.FormatError("Invalid crypt filter name.");
+    }
+
+    var cryptFilter = cf.get(name.name);
+    var cfm;
+
+    if (cryptFilter !== null && cryptFilter !== undefined) {
+      cfm = cryptFilter.get("CFM");
+    }
+
+    if (!cfm || cfm.name === "None") {
+      return function cipherTransformFactoryBuildCipherConstructorNone() {
+        return new NullCipher();
+      };
+    }
+
+    if (cfm.name === "V2") {
+      return function cipherTransformFactoryBuildCipherConstructorV2() {
+        return new ARCFourCipher(buildObjectKey(num, gen, key, false));
+      };
+    }
+
+    if (cfm.name === "AESV2") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV2() {
+        return new AES128Cipher(buildObjectKey(num, gen, key, true));
+      };
+    }
+
+    if (cfm.name === "AESV3") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV3() {
+        return new AES256Cipher(key);
+      };
+    }
+
+    throw new _util.FormatError("Unknown crypto method");
+  }
+
+  CipherTransformFactory.prototype = {
+    createCipherTransform: function CipherTransformFactory_createCipherTransform(num, gen) {
+      if (this.algorithm === 4 || this.algorithm === 5) {
+        return new CipherTransform(buildCipherConstructor(this.cf, this.stmf, num, gen, this.encryptionKey), buildCipherConstructor(this.cf, this.strf, num, gen, this.encryptionKey));
+      }
+
+      var key = buildObjectKey(num, gen, this.encryptionKey, false);
+
+      var cipherConstructor = function buildCipherCipherConstructor() {
+        return new ARCFourCipher(key);
+      };
+
+      return new CipherTransform(cipherConstructor, cipherConstructor);
+    }
+  };
+  return CipherTransformFactory;
+}();
+
+exports.CipherTransformFactory = CipherTransformFactory;
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ColorSpace = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+function resizeRgbImage(src, dest, w1, h1, w2, h2, alpha01) {
+  const COMPONENTS = 3;
+  alpha01 = alpha01 !== 1 ? 0 : alpha01;
+  const xRatio = w1 / w2;
+  const yRatio = h1 / h2;
+  let newIndex = 0,
+      oldIndex;
+  const xScaled = new Uint16Array(w2);
+  const w1Scanline = w1 * COMPONENTS;
+
+  for (let i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio) * COMPONENTS;
+  }
+
+  for (let i = 0; i < h2; i++) {
+    const py = Math.floor(i * yRatio) * w1Scanline;
+
+    for (let j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      newIndex += alpha01;
+    }
+  }
+}
+
+class ColorSpace {
+  constructor(name, numComps) {
+    if (this.constructor === ColorSpace) {
+      (0, _util.unreachable)("Cannot initialize ColorSpace.");
+    }
+
+    this.name = name;
+    this.numComps = numComps;
+  }
+
+  getRgb(src, srcOffset) {
+    const rgb = new Uint8ClampedArray(3);
+    this.getRgbItem(src, srcOffset, rgb, 0);
+    return rgb;
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    (0, _util.unreachable)("Should not call ColorSpace.getRgbItem");
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    (0, _util.unreachable)("Should not call ColorSpace.getRgbBuffer");
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    (0, _util.unreachable)("Should not call ColorSpace.getOutputLength");
+  }
+
+  isPassthrough(bits) {
+    return false;
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
+  }
+
+  fillRgb(dest, originalWidth, originalHeight, width, height, actualHeight, bpc, comps, alpha01) {
+    const count = originalWidth * originalHeight;
+    let rgbBuf = null;
+    const numComponentColors = 1 << bpc;
+    const needsResizing = originalHeight !== height || originalWidth !== width;
+
+    if (this.isPassthrough(bpc)) {
+      rgbBuf = comps;
+    } else if (this.numComps === 1 && count > numComponentColors && this.name !== "DeviceGray" && this.name !== "DeviceRGB") {
+      const allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : new Uint16Array(numComponentColors);
+
+      for (let i = 0; i < numComponentColors; i++) {
+        allColors[i] = i;
+      }
+
+      const colorMap = new Uint8ClampedArray(numComponentColors * 3);
+      this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, 0);
+
+      if (!needsResizing) {
+        let destPos = 0;
+
+        for (let i = 0; i < count; ++i) {
+          const key = comps[i] * 3;
+          dest[destPos++] = colorMap[key];
+          dest[destPos++] = colorMap[key + 1];
+          dest[destPos++] = colorMap[key + 2];
+          destPos += alpha01;
+        }
+      } else {
+        rgbBuf = new Uint8Array(count * 3);
+        let rgbPos = 0;
+
+        for (let i = 0; i < count; ++i) {
+          const key = comps[i] * 3;
+          rgbBuf[rgbPos++] = colorMap[key];
+          rgbBuf[rgbPos++] = colorMap[key + 1];
+          rgbBuf[rgbPos++] = colorMap[key + 2];
+        }
+      }
+    } else {
+      if (!needsResizing) {
+        this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, alpha01);
+      } else {
+        rgbBuf = new Uint8ClampedArray(count * 3);
+        this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, 0);
+      }
+    }
+
+    if (rgbBuf) {
+      if (needsResizing) {
+        resizeRgbImage(rgbBuf, dest, originalWidth, originalHeight, width, height, alpha01);
+      } else {
+        let destPos = 0,
+            rgbPos = 0;
+
+        for (let i = 0, ii = width * actualHeight; i < ii; i++) {
+          dest[destPos++] = rgbBuf[rgbPos++];
+          dest[destPos++] = rgbBuf[rgbPos++];
+          dest[destPos++] = rgbBuf[rgbPos++];
+          destPos += alpha01;
+        }
+      }
+    }
+  }
+
+  get usesZeroToOneRange() {
+    return (0, _util.shadow)(this, "usesZeroToOneRange", true);
+  }
+
+  static _cache(cacheKey, xref, localColorSpaceCache, parsedColorSpace) {
+    if (!localColorSpaceCache) {
+      throw new Error('ColorSpace._cache - expected "localColorSpaceCache" argument.');
+    }
+
+    if (!parsedColorSpace) {
+      throw new Error('ColorSpace._cache - expected "parsedColorSpace" argument.');
+    }
+
+    let csName, csRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      csRef = cacheKey;
+      cacheKey = xref.fetch(cacheKey);
+    }
+
+    if (cacheKey instanceof _primitives.Name) {
+      csName = cacheKey.name;
+    }
+
+    if (csName || csRef) {
+      localColorSpaceCache.set(csName, csRef, parsedColorSpace);
+    }
+  }
+
+  static getCached(cacheKey, xref, localColorSpaceCache) {
+    if (!localColorSpaceCache) {
+      throw new Error('ColorSpace.getCached - expected "localColorSpaceCache" argument.');
+    }
+
+    if (cacheKey instanceof _primitives.Ref) {
+      const localColorSpace = localColorSpaceCache.getByRef(cacheKey);
+
+      if (localColorSpace) {
+        return localColorSpace;
+      }
+
+      try {
+        cacheKey = xref.fetch(cacheKey);
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+      }
+    }
+
+    if (cacheKey instanceof _primitives.Name) {
+      const localColorSpace = localColorSpaceCache.getByName(cacheKey.name);
+
+      if (localColorSpace) {
+        return localColorSpace;
+      }
+    }
+
+    return null;
+  }
+
+  static async parseAsync({
+    cs,
+    xref,
+    resources = null,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+    return parsedColorSpace;
+  }
+
+  static parse({
+    cs,
+    xref,
+    resources = null,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const cachedColorSpace = this.getCached(cs, xref, localColorSpaceCache);
+
+    if (cachedColorSpace) {
+      return cachedColorSpace;
+    }
+
+    const parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+    return parsedColorSpace;
+  }
+
+  static _parse(cs, xref, resources = null, pdfFunctionFactory) {
+    cs = xref.fetchIfRef(cs);
+
+    if ((0, _primitives.isName)(cs)) {
+      switch (cs.name) {
+        case "DeviceGray":
+        case "G":
+          return this.singletons.gray;
+
+        case "DeviceRGB":
+        case "RGB":
+          return this.singletons.rgb;
+
+        case "DeviceCMYK":
+        case "CMYK":
+          return this.singletons.cmyk;
+
+        case "Pattern":
+          return new PatternCS(null);
+
+        default:
+          if ((0, _primitives.isDict)(resources)) {
+            const colorSpaces = resources.get("ColorSpace");
+
+            if ((0, _primitives.isDict)(colorSpaces)) {
+              const resourcesCS = colorSpaces.get(cs.name);
+
+              if (resourcesCS) {
+                if ((0, _primitives.isName)(resourcesCS)) {
+                  return this._parse(resourcesCS, xref, resources, pdfFunctionFactory);
+                }
+
+                cs = resourcesCS;
+                break;
+              }
+            }
+          }
+
+          throw new _util.FormatError(`Unrecognized ColorSpace: ${cs.name}`);
+      }
+    }
+
+    if (Array.isArray(cs)) {
+      const mode = xref.fetchIfRef(cs[0]).name;
+      let params, numComps, baseCS, whitePoint, blackPoint, gamma;
+
+      switch (mode) {
+        case "DeviceGray":
+        case "G":
+          return this.singletons.gray;
+
+        case "DeviceRGB":
+        case "RGB":
+          return this.singletons.rgb;
+
+        case "DeviceCMYK":
+        case "CMYK":
+          return this.singletons.cmyk;
+
+        case "CalGray":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          gamma = params.get("Gamma");
+          return new CalGrayCS(whitePoint, blackPoint, gamma);
+
+        case "CalRGB":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          gamma = params.getArray("Gamma");
+          const matrix = params.getArray("Matrix");
+          return new CalRGBCS(whitePoint, blackPoint, gamma, matrix);
+
+        case "ICCBased":
+          const stream = xref.fetchIfRef(cs[1]);
+          const dict = stream.dict;
+          numComps = dict.get("N");
+          const alt = dict.get("Alternate");
+
+          if (alt) {
+            const altCS = this._parse(alt, xref, resources, pdfFunctionFactory);
+
+            if (altCS.numComps === numComps) {
+              return altCS;
+            }
+
+            (0, _util.warn)("ICCBased color space: Ignoring incorrect /Alternate entry.");
+          }
+
+          if (numComps === 1) {
+            return this.singletons.gray;
+          } else if (numComps === 3) {
+            return this.singletons.rgb;
+          } else if (numComps === 4) {
+            return this.singletons.cmyk;
+          }
+
+          break;
+
+        case "Pattern":
+          baseCS = cs[1] || null;
+
+          if (baseCS) {
+            baseCS = this._parse(baseCS, xref, resources, pdfFunctionFactory);
+          }
+
+          return new PatternCS(baseCS);
+
+        case "Indexed":
+        case "I":
+          baseCS = this._parse(cs[1], xref, resources, pdfFunctionFactory);
+          const hiVal = xref.fetchIfRef(cs[2]) + 1;
+          const lookup = xref.fetchIfRef(cs[3]);
+          return new IndexedCS(baseCS, hiVal, lookup);
+
+        case "Separation":
+        case "DeviceN":
+          const name = xref.fetchIfRef(cs[1]);
+          numComps = Array.isArray(name) ? name.length : 1;
+          baseCS = this._parse(cs[2], xref, resources, pdfFunctionFactory);
+          const tintFn = pdfFunctionFactory.create(cs[3]);
+          return new AlternateCS(numComps, baseCS, tintFn);
+
+        case "Lab":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          const range = params.getArray("Range");
+          return new LabCS(whitePoint, blackPoint, range);
+
+        default:
+          throw new _util.FormatError(`Unimplemented ColorSpace object: ${mode}`);
+      }
+    }
+
+    throw new _util.FormatError(`Unrecognized ColorSpace object: ${cs}`);
+  }
+
+  static isDefaultDecode(decode, numComps) {
+    if (!Array.isArray(decode)) {
+      return true;
+    }
+
+    if (numComps * 2 !== decode.length) {
+      (0, _util.warn)("The decode map is not the correct length");
+      return true;
+    }
+
+    for (let i = 0, ii = decode.length; i < ii; i += 2) {
+      if (decode[i] !== 0 || decode[i + 1] !== 1) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  static get singletons() {
+    return (0, _util.shadow)(this, "singletons", {
+      get gray() {
+        return (0, _util.shadow)(this, "gray", new DeviceGrayCS());
+      },
+
+      get rgb() {
+        return (0, _util.shadow)(this, "rgb", new DeviceRgbCS());
+      },
+
+      get cmyk() {
+        return (0, _util.shadow)(this, "cmyk", new DeviceCmykCS());
+      }
+
+    });
+  }
+
+}
+
+exports.ColorSpace = ColorSpace;
+
+class AlternateCS extends ColorSpace {
+  constructor(numComps, base, tintFn) {
+    super("Alternate", numComps);
+    this.base = base;
+    this.tintFn = tintFn;
+    this.tmpBuf = new Float32Array(base.numComps);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const tmpBuf = this.tmpBuf;
+    this.tintFn(src, srcOffset, tmpBuf, 0);
+    this.base.getRgbItem(tmpBuf, 0, dest, destOffset);
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const tintFn = this.tintFn;
+    const base = this.base;
+    const scale = 1 / ((1 << bits) - 1);
+    const baseNumComps = base.numComps;
+    const usesZeroToOneRange = base.usesZeroToOneRange;
+    const isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0;
+    let pos = isPassthrough ? destOffset : 0;
+    const baseBuf = isPassthrough ? dest : new Uint8ClampedArray(baseNumComps * count);
+    const numComps = this.numComps;
+    const scaled = new Float32Array(numComps);
+    const tinted = new Float32Array(baseNumComps);
+    let i, j;
+
+    for (i = 0; i < count; i++) {
+      for (j = 0; j < numComps; j++) {
+        scaled[j] = src[srcOffset++] * scale;
+      }
+
+      tintFn(scaled, 0, tinted, 0);
+
+      if (usesZeroToOneRange) {
+        for (j = 0; j < baseNumComps; j++) {
+          baseBuf[pos++] = tinted[j] * 255;
+        }
+      } else {
+        base.getRgbItem(tinted, 0, baseBuf, pos);
+        pos += baseNumComps;
+      }
+    }
+
+    if (!isPassthrough) {
+      base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01);
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return this.base.getOutputLength(inputLength * this.base.numComps / this.numComps, alpha01);
+  }
+
+}
+
+class PatternCS extends ColorSpace {
+  constructor(baseCS) {
+    super("Pattern", null);
+    this.base = baseCS;
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    (0, _util.unreachable)("Should not call PatternCS.isDefaultDecode");
+  }
+
+}
+
+class IndexedCS extends ColorSpace {
+  constructor(base, highVal, lookup) {
+    super("Indexed", 1);
+    this.base = base;
+    this.highVal = highVal;
+    const length = base.numComps * highVal;
+    this.lookup = new Uint8Array(length);
+
+    if ((0, _primitives.isStream)(lookup)) {
+      const bytes = lookup.getBytes(length);
+      this.lookup.set(bytes);
+    } else if (typeof lookup === "string") {
+      for (let i = 0; i < length; ++i) {
+        this.lookup[i] = lookup.charCodeAt(i) & 0xff;
+      }
+    } else {
+      throw new _util.FormatError(`IndexedCS - unrecognized lookup table: ${lookup}`);
+    }
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const numComps = this.base.numComps;
+    const start = src[srcOffset] * numComps;
+    this.base.getRgbBuffer(this.lookup, start, 1, dest, destOffset, 8, 0);
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const base = this.base;
+    const numComps = base.numComps;
+    const outputDelta = base.getOutputLength(numComps, alpha01);
+    const lookup = this.lookup;
+
+    for (let i = 0; i < count; ++i) {
+      const lookupPos = src[srcOffset++] * numComps;
+      base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01);
+      destOffset += outputDelta;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return this.base.getOutputLength(inputLength * this.base.numComps, alpha01);
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    if (!Array.isArray(decodeMap)) {
+      return true;
+    }
+
+    if (decodeMap.length !== 2) {
+      (0, _util.warn)("Decode map length is not correct");
+      return true;
+    }
+
+    if (!Number.isInteger(bpc) || bpc < 1) {
+      (0, _util.warn)("Bits per component is not correct");
+      return true;
+    }
+
+    return decodeMap[0] === 0 && decodeMap[1] === (1 << bpc) - 1;
+  }
+
+}
+
+class DeviceGrayCS extends ColorSpace {
+  constructor() {
+    super("DeviceGray", 1);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const c = src[srcOffset] * 255;
+    dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c;
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const scale = 255 / ((1 << bits) - 1);
+    let j = srcOffset,
+        q = destOffset;
+
+    for (let i = 0; i < count; ++i) {
+      const c = scale * src[j++];
+      dest[q++] = c;
+      dest[q++] = c;
+      dest[q++] = c;
+      q += alpha01;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return inputLength * (3 + alpha01);
+  }
+
+}
+
+class DeviceRgbCS extends ColorSpace {
+  constructor() {
+    super("DeviceRGB", 3);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    dest[destOffset] = src[srcOffset] * 255;
+    dest[destOffset + 1] = src[srcOffset + 1] * 255;
+    dest[destOffset + 2] = src[srcOffset + 2] * 255;
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    if (bits === 8 && alpha01 === 0) {
+      dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset);
+      return;
+    }
+
+    const scale = 255 / ((1 << bits) - 1);
+    let j = srcOffset,
+        q = destOffset;
+
+    for (let i = 0; i < count; ++i) {
+      dest[q++] = scale * src[j++];
+      dest[q++] = scale * src[j++];
+      dest[q++] = scale * src[j++];
+      q += alpha01;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return inputLength * (3 + alpha01) / 3 | 0;
+  }
+
+  isPassthrough(bits) {
+    return bits === 8;
+  }
+
+}
+
+const DeviceCmykCS = function DeviceCmykCSClosure() {
+  function convertToRgb(src, srcOffset, srcScale, dest, destOffset) {
+    const c = src[srcOffset] * srcScale;
+    const m = src[srcOffset + 1] * srcScale;
+    const y = src[srcOffset + 2] * srcScale;
+    const k = src[srcOffset + 3] * srcScale;
+    dest[destOffset] = 255 + c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k + -285.2331026137004) + m * (1.7149763477362134 * m - 5.6096736904047315 * y + -17.873870861415444 * k - 5.497006427196366) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) + k * (-21.86122147463605 * k - 189.48180835922747);
+    dest[destOffset + 1] = 255 + c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k + -79.2970844816548) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 190.9453302588951) + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + k * (-20.737325471181034 * k - 187.80453709719578);
+    dest[destOffset + 2] = 255 + c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k + -14.183576799673286) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 112.23884253719248) + y * (0.03296041114873217 * y + 115.60384449646641 * k + -193.58209356861505) + k * (-22.33816807309886 * k - 180.12613974708367);
+  }
+
+  class DeviceCmykCS extends ColorSpace {
+    constructor() {
+      super("DeviceCMYK", 4);
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(src, srcOffset, 1, dest, destOffset);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; i++) {
+        convertToRgb(src, srcOffset, scale, dest, destOffset);
+        srcOffset += 4;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength / 4 * (3 + alpha01) | 0;
+    }
+
+  }
+
+  return DeviceCmykCS;
+}();
+
+const CalGrayCS = function CalGrayCSClosure() {
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    const A = src[srcOffset] * scale;
+    const AG = A ** cs.G;
+    const L = cs.YW * AG;
+    const val = Math.max(295.8 * L ** 0.333333333333333333 - 40.8, 0);
+    dest[destOffset] = val;
+    dest[destOffset + 1] = val;
+    dest[destOffset + 2] = val;
+  }
+
+  class CalGrayCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, gamma) {
+      super("CalGray", 1);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalGray");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      gamma = gamma || 1;
+      this.XW = whitePoint[0];
+      this.YW = whitePoint[1];
+      this.ZW = whitePoint[2];
+      this.XB = blackPoint[0];
+      this.YB = blackPoint[1];
+      this.ZB = blackPoint[2];
+      this.G = gamma;
+
+      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {
+        throw new _util.FormatError(`Invalid WhitePoint components for ${this.name}` + ", no fallback available");
+      }
+
+      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
+        (0, _util.info)(`Invalid BlackPoint for ${this.name}, falling back to default.`);
+        this.XB = this.YB = this.ZB = 0;
+      }
+
+      if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) {
+        (0, _util.warn)(`${this.name}, BlackPoint: XB: ${this.XB}, YB: ${this.YB}, ` + `ZB: ${this.ZB}, only default values are supported.`);
+      }
+
+      if (this.G < 1) {
+        (0, _util.info)(`Invalid Gamma: ${this.G} for ${this.name}, ` + "falling back to default.");
+        this.G = 1;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; ++i) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+        srcOffset += 1;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01);
+    }
+
+  }
+
+  return CalGrayCS;
+}();
+
+const CalRGBCS = function CalRGBCSClosure() {
+  const BRADFORD_SCALE_MATRIX = new Float32Array([0.8951, 0.2664, -0.1614, -0.7502, 1.7135, 0.0367, 0.0389, -0.0685, 1.0296]);
+  const BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([0.9869929, -0.1470543, 0.1599627, 0.4323053, 0.5183603, 0.0492912, -0.0085287, 0.0400428, 0.9684867]);
+  const SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([3.2404542, -1.5371385, -0.4985314, -0.9692660, 1.8760108, 0.0415560, 0.0556434, -0.2040259, 1.0572252]);
+  const FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]);
+  const tempNormalizeMatrix = new Float32Array(3);
+  const tempConvertMatrix1 = new Float32Array(3);
+  const tempConvertMatrix2 = new Float32Array(3);
+  const DECODE_L_CONSTANT = ((8 + 16) / 116) ** 3 / 8.0;
+
+  function matrixProduct(a, b, result) {
+    result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+    result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2];
+    result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2];
+  }
+
+  function convertToFlat(sourceWhitePoint, LMS, result) {
+    result[0] = LMS[0] * 1 / sourceWhitePoint[0];
+    result[1] = LMS[1] * 1 / sourceWhitePoint[1];
+    result[2] = LMS[2] * 1 / sourceWhitePoint[2];
+  }
+
+  function convertToD65(sourceWhitePoint, LMS, result) {
+    const D65X = 0.95047;
+    const D65Y = 1;
+    const D65Z = 1.08883;
+    result[0] = LMS[0] * D65X / sourceWhitePoint[0];
+    result[1] = LMS[1] * D65Y / sourceWhitePoint[1];
+    result[2] = LMS[2] * D65Z / sourceWhitePoint[2];
+  }
+
+  function sRGBTransferFunction(color) {
+    if (color <= 0.0031308) {
+      return adjustToRange(0, 1, 12.92 * color);
+    }
+
+    if (color >= 0.99554525) {
+      return 1;
+    }
+
+    return adjustToRange(0, 1, (1 + 0.055) * color ** (1 / 2.4) - 0.055);
+  }
+
+  function adjustToRange(min, max, value) {
+    return Math.max(min, Math.min(max, value));
+  }
+
+  function decodeL(L) {
+    if (L < 0) {
+      return -decodeL(-L);
+    }
+
+    if (L > 8.0) {
+      return ((L + 16) / 116) ** 3;
+    }
+
+    return L * DECODE_L_CONSTANT;
+  }
+
+  function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) {
+    if (sourceBlackPoint[0] === 0 && sourceBlackPoint[1] === 0 && sourceBlackPoint[2] === 0) {
+      result[0] = XYZ_Flat[0];
+      result[1] = XYZ_Flat[1];
+      result[2] = XYZ_Flat[2];
+      return;
+    }
+
+    const zeroDecodeL = decodeL(0);
+    const X_DST = zeroDecodeL;
+    const X_SRC = decodeL(sourceBlackPoint[0]);
+    const Y_DST = zeroDecodeL;
+    const Y_SRC = decodeL(sourceBlackPoint[1]);
+    const Z_DST = zeroDecodeL;
+    const Z_SRC = decodeL(sourceBlackPoint[2]);
+    const X_Scale = (1 - X_DST) / (1 - X_SRC);
+    const X_Offset = 1 - X_Scale;
+    const Y_Scale = (1 - Y_DST) / (1 - Y_SRC);
+    const Y_Offset = 1 - Y_Scale;
+    const Z_Scale = (1 - Z_DST) / (1 - Z_SRC);
+    const Z_Offset = 1 - Z_Scale;
+    result[0] = XYZ_Flat[0] * X_Scale + X_Offset;
+    result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset;
+    result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset;
+  }
+
+  function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) {
+    if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) {
+      result[0] = XYZ_In[0];
+      result[1] = XYZ_In[1];
+      result[2] = XYZ_In[2];
+      return;
+    }
+
+    const LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    const LMS_Flat = tempNormalizeMatrix;
+    convertToFlat(sourceWhitePoint, LMS, LMS_Flat);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result);
+  }
+
+  function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) {
+    const LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    const LMS_D65 = tempNormalizeMatrix;
+    convertToD65(sourceWhitePoint, LMS, LMS_D65);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result);
+  }
+
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    const A = adjustToRange(0, 1, src[srcOffset] * scale);
+    const B = adjustToRange(0, 1, src[srcOffset + 1] * scale);
+    const C = adjustToRange(0, 1, src[srcOffset + 2] * scale);
+    const AGR = A === 1 ? 1 : A ** cs.GR;
+    const BGG = B === 1 ? 1 : B ** cs.GG;
+    const CGB = C === 1 ? 1 : C ** cs.GB;
+    const X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB;
+    const Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB;
+    const Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB;
+    const XYZ = tempConvertMatrix1;
+    XYZ[0] = X;
+    XYZ[1] = Y;
+    XYZ[2] = Z;
+    const XYZ_Flat = tempConvertMatrix2;
+    normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat);
+    const XYZ_Black = tempConvertMatrix1;
+    compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black);
+    const XYZ_D65 = tempConvertMatrix2;
+    normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65);
+    const SRGB = tempConvertMatrix1;
+    matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB);
+    dest[destOffset] = sRGBTransferFunction(SRGB[0]) * 255;
+    dest[destOffset + 1] = sRGBTransferFunction(SRGB[1]) * 255;
+    dest[destOffset + 2] = sRGBTransferFunction(SRGB[2]) * 255;
+  }
+
+  class CalRGBCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, gamma, matrix) {
+      super("CalRGB", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalRGB");
+      }
+
+      blackPoint = blackPoint || new Float32Array(3);
+      gamma = gamma || new Float32Array([1, 1, 1]);
+      matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]);
+      const XW = whitePoint[0];
+      const YW = whitePoint[1];
+      const ZW = whitePoint[2];
+      this.whitePoint = whitePoint;
+      const XB = blackPoint[0];
+      const YB = blackPoint[1];
+      const ZB = blackPoint[2];
+      this.blackPoint = blackPoint;
+      this.GR = gamma[0];
+      this.GG = gamma[1];
+      this.GB = gamma[2];
+      this.MXA = matrix[0];
+      this.MYA = matrix[1];
+      this.MZA = matrix[2];
+      this.MXB = matrix[3];
+      this.MYB = matrix[4];
+      this.MZB = matrix[5];
+      this.MXC = matrix[6];
+      this.MYC = matrix[7];
+      this.MZC = matrix[8];
+
+      if (XW < 0 || ZW < 0 || YW !== 1) {
+        throw new _util.FormatError(`Invalid WhitePoint components for ${this.name}` + ", no fallback available");
+      }
+
+      if (XB < 0 || YB < 0 || ZB < 0) {
+        (0, _util.info)(`Invalid BlackPoint for ${this.name} [${XB}, ${YB}, ${ZB}], ` + "falling back to default.");
+        this.blackPoint = new Float32Array(3);
+      }
+
+      if (this.GR < 0 || this.GG < 0 || this.GB < 0) {
+        (0, _util.info)(`Invalid Gamma [${this.GR}, ${this.GG}, ${this.GB}] for ` + `${this.name}, falling back to default.`);
+        this.GR = this.GG = this.GB = 1;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; ++i) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+        srcOffset += 3;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01) / 3 | 0;
+    }
+
+  }
+
+  return CalRGBCS;
+}();
+
+const LabCS = function LabCSClosure() {
+  function fn_g(x) {
+    let result;
+
+    if (x >= 6 / 29) {
+      result = x * x * x;
+    } else {
+      result = 108 / 841 * (x - 4 / 29);
+    }
+
+    return result;
+  }
+
+  function decode(value, high1, low2, high2) {
+    return low2 + value * (high2 - low2) / high1;
+  }
+
+  function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) {
+    let Ls = src[srcOffset];
+    let as = src[srcOffset + 1];
+    let bs = src[srcOffset + 2];
+
+    if (maxVal !== false) {
+      Ls = decode(Ls, maxVal, 0, 100);
+      as = decode(as, maxVal, cs.amin, cs.amax);
+      bs = decode(bs, maxVal, cs.bmin, cs.bmax);
+    }
+
+    if (as > cs.amax) {
+      as = cs.amax;
+    } else if (as < cs.amin) {
+      as = cs.amin;
+    }
+
+    if (bs > cs.bmax) {
+      bs = cs.bmax;
+    } else if (bs < cs.bmin) {
+      bs = cs.bmin;
+    }
+
+    const M = (Ls + 16) / 116;
+    const L = M + as / 500;
+    const N = M - bs / 200;
+    const X = cs.XW * fn_g(L);
+    const Y = cs.YW * fn_g(M);
+    const Z = cs.ZW * fn_g(N);
+    let r, g, b;
+
+    if (cs.ZW < 1) {
+      r = X * 3.1339 + Y * -1.617 + Z * -0.4906;
+      g = X * -0.9785 + Y * 1.916 + Z * 0.0333;
+      b = X * 0.072 + Y * -0.229 + Z * 1.4057;
+    } else {
+      r = X * 3.2406 + Y * -1.5372 + Z * -0.4986;
+      g = X * -0.9689 + Y * 1.8758 + Z * 0.0415;
+      b = X * 0.0557 + Y * -0.204 + Z * 1.057;
+    }
+
+    dest[destOffset] = Math.sqrt(r) * 255;
+    dest[destOffset + 1] = Math.sqrt(g) * 255;
+    dest[destOffset + 2] = Math.sqrt(b) * 255;
+  }
+
+  class LabCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, range) {
+      super("Lab", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space Lab");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      range = range || [-100, 100, -100, 100];
+      this.XW = whitePoint[0];
+      this.YW = whitePoint[1];
+      this.ZW = whitePoint[2];
+      this.amin = range[0];
+      this.amax = range[1];
+      this.bmin = range[2];
+      this.bmax = range[3];
+      this.XB = blackPoint[0];
+      this.YB = blackPoint[1];
+      this.ZB = blackPoint[2];
+
+      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {
+        throw new _util.FormatError("Invalid WhitePoint components, no fallback available");
+      }
+
+      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
+        (0, _util.info)("Invalid BlackPoint, falling back to default");
+        this.XB = this.YB = this.ZB = 0;
+      }
+
+      if (this.amin > this.amax || this.bmin > this.bmax) {
+        (0, _util.info)("Invalid Range, falling back to defaults");
+        this.amin = -100;
+        this.amax = 100;
+        this.bmin = -100;
+        this.bmax = 100;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, false, dest, destOffset);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const maxVal = (1 << bits) - 1;
+
+      for (let i = 0; i < count; i++) {
+        convertToRgb(this, src, srcOffset, maxVal, dest, destOffset);
+        srcOffset += 3;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01) / 3 | 0;
+    }
+
+    isDefaultDecode(decodeMap, bpc) {
+      return true;
+    }
+
+    get usesZeroToOneRange() {
+      return (0, _util.shadow)(this, "usesZeroToOneRange", false);
+    }
+
+  }
+
+  return LabCS;
+}();
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalImageCache = exports.LocalGStateCache = exports.LocalFunctionCache = exports.LocalColorSpaceCache = exports.LocalImageCache = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+class BaseLocalCache {
+  constructor(options) {
+    if (this.constructor === BaseLocalCache) {
+      (0, _util.unreachable)("Cannot initialize BaseLocalCache.");
+    }
+
+    if (!options || !options.onlyRefs) {
+      this._nameRefMap = new Map();
+      this._imageMap = new Map();
+    }
+
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  getByName(name) {
+    const ref = this._nameRefMap.get(name);
+
+    if (ref) {
+      return this.getByRef(ref);
+    }
+
+    return this._imageMap.get(name) || null;
+  }
+
+  getByRef(ref) {
+    return this._imageCache.get(ref) || null;
+  }
+
+  set(name, ref, data) {
+    (0, _util.unreachable)("Abstract method `set` called.");
+  }
+
+}
+
+class LocalImageCache extends BaseLocalCache {
+  set(name, ref = null, data) {
+    if (!name) {
+      throw new Error('LocalImageCache.set - expected "name" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      this._nameRefMap.set(name, ref);
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalImageCache = LocalImageCache;
+
+class LocalColorSpaceCache extends BaseLocalCache {
+  set(name = null, ref = null, data) {
+    if (!name && !ref) {
+      throw new Error('LocalColorSpaceCache.set - expected "name" and/or "ref" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      if (name) {
+        this._nameRefMap.set(name, ref);
+      }
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalColorSpaceCache = LocalColorSpaceCache;
+
+class LocalFunctionCache extends BaseLocalCache {
+  constructor(options) {
+    super({
+      onlyRefs: true
+    });
+  }
+
+  getByName(name) {
+    (0, _util.unreachable)("Should not call `getByName` method.");
+  }
+
+  set(name = null, ref, data) {
+    if (!ref) {
+      throw new Error('LocalFunctionCache.set - expected "ref" argument.');
+    }
+
+    if (this._imageCache.has(ref)) {
+      return;
+    }
+
+    this._imageCache.put(ref, data);
+  }
+
+}
+
+exports.LocalFunctionCache = LocalFunctionCache;
+
+class LocalGStateCache extends BaseLocalCache {
+  set(name, ref = null, data) {
+    if (!name) {
+      throw new Error('LocalGStateCache.set - expected "name" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      this._nameRefMap.set(name, ref);
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalGStateCache = LocalGStateCache;
+
+class GlobalImageCache {
+  static get NUM_PAGES_THRESHOLD() {
+    return (0, _util.shadow)(this, "NUM_PAGES_THRESHOLD", 2);
+  }
+
+  static get MAX_IMAGES_TO_CACHE() {
+    return (0, _util.shadow)(this, "MAX_IMAGES_TO_CACHE", 10);
+  }
+
+  constructor() {
+    this._refCache = new _primitives.RefSetCache();
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  shouldCache(ref, pageIndex) {
+    const pageIndexSet = this._refCache.get(ref);
+
+    const numPages = pageIndexSet ? pageIndexSet.size + (pageIndexSet.has(pageIndex) ? 0 : 1) : 1;
+
+    if (numPages < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+      return false;
+    }
+
+    if (!this._imageCache.has(ref) && this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+      return false;
+    }
+
+    return true;
+  }
+
+  addPageIndex(ref, pageIndex) {
+    let pageIndexSet = this._refCache.get(ref);
+
+    if (!pageIndexSet) {
+      pageIndexSet = new Set();
+
+      this._refCache.put(ref, pageIndexSet);
+    }
+
+    pageIndexSet.add(pageIndex);
+  }
+
+  getData(ref, pageIndex) {
+    const pageIndexSet = this._refCache.get(ref);
+
+    if (!pageIndexSet) {
+      return null;
+    }
+
+    if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+      return null;
+    }
+
+    if (!this._imageCache.has(ref)) {
+      return null;
+    }
+
+    pageIndexSet.add(pageIndex);
+    return this._imageCache.get(ref);
+  }
+
+  setData(ref, data) {
+    if (!this._refCache.has(ref)) {
+      throw new Error('GlobalImageCache.setData - expected "addPageIndex" to have been called.');
+    }
+
+    if (this._imageCache.has(ref)) {
+      return;
+    }
+
+    if (this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+      (0, _util.info)("GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE.");
+      return;
+    }
+
+    this._imageCache.put(ref, data);
+  }
+
+  clear(onlyData = false) {
+    if (!onlyData) {
+      this._refCache.clear();
+    }
+
+    this._imageCache.clear();
+  }
+
+}
+
+exports.GlobalImageCache = GlobalImageCache;
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getQuadPoints = getQuadPoints;
+exports.MarkupAnnotation = exports.AnnotationFactory = exports.AnnotationBorderStyle = exports.Annotation = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _obj = __w_pdfjs_require__(10);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _colorspace = __w_pdfjs_require__(23);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _operator_list = __w_pdfjs_require__(26);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _writer = __w_pdfjs_require__(27);
+
+class AnnotationFactory {
+  static create(xref, ref, pdfManager, idFactory) {
+    return pdfManager.ensureCatalog("acroForm").then(acroForm => {
+      return pdfManager.ensure(this, "_create", [xref, ref, pdfManager, idFactory, acroForm]);
+    });
+  }
+
+  static _create(xref, ref, pdfManager, idFactory, acroForm) {
+    const dict = xref.fetchIfRef(ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return undefined;
+    }
+
+    const id = (0, _primitives.isRef)(ref) ? ref.toString() : `annot_${idFactory.createObjId()}`;
+    let subtype = dict.get("Subtype");
+    subtype = (0, _primitives.isName)(subtype) ? subtype.name : null;
+    const parameters = {
+      xref,
+      ref,
+      dict,
+      subtype,
+      id,
+      pdfManager,
+      acroForm: acroForm instanceof _primitives.Dict ? acroForm : _primitives.Dict.empty
+    };
+
+    switch (subtype) {
+      case "Link":
+        return new LinkAnnotation(parameters);
+
+      case "Text":
+        return new TextAnnotation(parameters);
+
+      case "Widget":
+        let fieldType = (0, _core_utils.getInheritableProperty)({
+          dict,
+          key: "FT"
+        });
+        fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+
+        switch (fieldType) {
+          case "Tx":
+            return new TextWidgetAnnotation(parameters);
+
+          case "Btn":
+            return new ButtonWidgetAnnotation(parameters);
+
+          case "Ch":
+            return new ChoiceWidgetAnnotation(parameters);
+        }
+
+        (0, _util.warn)('Unimplemented widget field type "' + fieldType + '", ' + "falling back to base field type.");
+        return new WidgetAnnotation(parameters);
+
+      case "Popup":
+        return new PopupAnnotation(parameters);
+
+      case "FreeText":
+        return new FreeTextAnnotation(parameters);
+
+      case "Line":
+        return new LineAnnotation(parameters);
+
+      case "Square":
+        return new SquareAnnotation(parameters);
+
+      case "Circle":
+        return new CircleAnnotation(parameters);
+
+      case "PolyLine":
+        return new PolylineAnnotation(parameters);
+
+      case "Polygon":
+        return new PolygonAnnotation(parameters);
+
+      case "Caret":
+        return new CaretAnnotation(parameters);
+
+      case "Ink":
+        return new InkAnnotation(parameters);
+
+      case "Highlight":
+        return new HighlightAnnotation(parameters);
+
+      case "Underline":
+        return new UnderlineAnnotation(parameters);
+
+      case "Squiggly":
+        return new SquigglyAnnotation(parameters);
+
+      case "StrikeOut":
+        return new StrikeOutAnnotation(parameters);
+
+      case "Stamp":
+        return new StampAnnotation(parameters);
+
+      case "FileAttachment":
+        return new FileAttachmentAnnotation(parameters);
+
+      default:
+        if (!subtype) {
+          (0, _util.warn)("Annotation is missing the required /Subtype.");
+        } else {
+          (0, _util.warn)('Unimplemented annotation type "' + subtype + '", ' + "falling back to base annotation.");
+        }
+
+        return new Annotation(parameters);
+    }
+  }
+
+}
+
+exports.AnnotationFactory = AnnotationFactory;
+
+function getQuadPoints(dict, rect) {
+  if (!dict.has("QuadPoints")) {
+    return null;
+  }
+
+  const quadPoints = dict.getArray("QuadPoints");
+
+  if (!Array.isArray(quadPoints) || quadPoints.length % 8 > 0) {
+    return null;
+  }
+
+  const quadPointsLists = [];
+
+  for (let i = 0, ii = quadPoints.length / 8; i < ii; i++) {
+    quadPointsLists.push([]);
+
+    for (let j = i * 8, jj = i * 8 + 8; j < jj; j += 2) {
+      const x = quadPoints[j];
+      const y = quadPoints[j + 1];
+
+      if (x < rect[0] || x > rect[2] || y < rect[1] || y > rect[3]) {
+        return null;
+      }
+
+      quadPointsLists[i].push({
+        x,
+        y
+      });
+    }
+  }
+
+  return quadPointsLists;
+}
+
+function getTransformMatrix(rect, bbox, matrix) {
+  const [minX, minY, maxX, maxY] = _util.Util.getAxialAlignedBoundingBox(bbox, matrix);
+
+  if (minX === maxX || minY === maxY) {
+    return [1, 0, 0, 1, rect[0], rect[1]];
+  }
+
+  const xRatio = (rect[2] - rect[0]) / (maxX - minX);
+  const yRatio = (rect[3] - rect[1]) / (maxY - minY);
+  return [xRatio, 0, 0, yRatio, rect[0] - minX * xRatio, rect[1] - minY * yRatio];
+}
+
+class Annotation {
+  constructor(params) {
+    const dict = params.dict;
+    this.setContents(dict.get("Contents"));
+    this.setModificationDate(dict.get("M"));
+    this.setFlags(dict.get("F"));
+    this.setRectangle(dict.getArray("Rect"));
+    this.setColor(dict.getArray("C"));
+    this.setBorderStyle(dict);
+    this.setAppearance(dict);
+    this.data = {
+      annotationFlags: this.flags,
+      borderStyle: this.borderStyle,
+      color: this.color,
+      contents: this.contents,
+      hasAppearance: !!this.appearance,
+      id: params.id,
+      modificationDate: this.modificationDate,
+      rect: this.rectangle,
+      subtype: params.subtype
+    };
+  }
+
+  _hasFlag(flags, flag) {
+    return !!(flags & flag);
+  }
+
+  _isViewable(flags) {
+    return !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN) && !this._hasFlag(flags, _util.AnnotationFlag.NOVIEW);
+  }
+
+  _isPrintable(flags) {
+    return this._hasFlag(flags, _util.AnnotationFlag.PRINT) && !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN);
+  }
+
+  get viewable() {
+    if (this.flags === 0) {
+      return true;
+    }
+
+    return this._isViewable(this.flags);
+  }
+
+  get printable() {
+    if (this.flags === 0) {
+      return false;
+    }
+
+    return this._isPrintable(this.flags);
+  }
+
+  setContents(contents) {
+    this.contents = (0, _util.stringToPDFString)(contents || "");
+  }
+
+  setModificationDate(modificationDate) {
+    this.modificationDate = (0, _util.isString)(modificationDate) ? modificationDate : null;
+  }
+
+  setFlags(flags) {
+    this.flags = Number.isInteger(flags) && flags > 0 ? flags : 0;
+  }
+
+  hasFlag(flag) {
+    return this._hasFlag(this.flags, flag);
+  }
+
+  setRectangle(rectangle) {
+    if (Array.isArray(rectangle) && rectangle.length === 4) {
+      this.rectangle = _util.Util.normalizeRect(rectangle);
+    } else {
+      this.rectangle = [0, 0, 0, 0];
+    }
+  }
+
+  setColor(color) {
+    const rgbColor = new Uint8ClampedArray(3);
+
+    if (!Array.isArray(color)) {
+      this.color = rgbColor;
+      return;
+    }
+
+    switch (color.length) {
+      case 0:
+        this.color = null;
+        break;
+
+      case 1:
+        _colorspace.ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      case 3:
+        _colorspace.ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      case 4:
+        _colorspace.ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      default:
+        this.color = rgbColor;
+        break;
+    }
+  }
+
+  setBorderStyle(borderStyle) {
+    this.borderStyle = new AnnotationBorderStyle();
+
+    if (!(0, _primitives.isDict)(borderStyle)) {
+      return;
+    }
+
+    if (borderStyle.has("BS")) {
+      const dict = borderStyle.get("BS");
+      const dictType = dict.get("Type");
+
+      if (!dictType || (0, _primitives.isName)(dictType, "Border")) {
+        this.borderStyle.setWidth(dict.get("W"), this.rectangle);
+        this.borderStyle.setStyle(dict.get("S"));
+        this.borderStyle.setDashArray(dict.getArray("D"));
+      }
+    } else if (borderStyle.has("Border")) {
+      const array = borderStyle.getArray("Border");
+
+      if (Array.isArray(array) && array.length >= 3) {
+        this.borderStyle.setHorizontalCornerRadius(array[0]);
+        this.borderStyle.setVerticalCornerRadius(array[1]);
+        this.borderStyle.setWidth(array[2], this.rectangle);
+
+        if (array.length === 4) {
+          this.borderStyle.setDashArray(array[3]);
+        }
+      }
+    } else {
+      this.borderStyle.setWidth(0);
+    }
+  }
+
+  setAppearance(dict) {
+    this.appearance = null;
+    const appearanceStates = dict.get("AP");
+
+    if (!(0, _primitives.isDict)(appearanceStates)) {
+      return;
+    }
+
+    const normalAppearanceState = appearanceStates.get("N");
+
+    if ((0, _primitives.isStream)(normalAppearanceState)) {
+      this.appearance = normalAppearanceState;
+      return;
+    }
+
+    if (!(0, _primitives.isDict)(normalAppearanceState)) {
+      return;
+    }
+
+    const as = dict.get("AS");
+
+    if (!(0, _primitives.isName)(as) || !normalAppearanceState.has(as.name)) {
+      return;
+    }
+
+    this.appearance = normalAppearanceState.get(as.name);
+  }
+
+  loadResources(keys) {
+    return this.appearance.dict.getAsync("Resources").then(resources => {
+      if (!resources) {
+        return undefined;
+      }
+
+      const objectLoader = new _obj.ObjectLoader(resources, keys, resources.xref);
+      return objectLoader.load().then(function () {
+        return resources;
+      });
+    });
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (!this.appearance) {
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    const appearance = this.appearance;
+    const data = this.data;
+    const appearanceDict = appearance.dict;
+    const resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+    const bbox = appearanceDict.getArray("BBox") || [0, 0, 1, 1];
+    const matrix = appearanceDict.getArray("Matrix") || [1, 0, 0, 1, 0, 0];
+    const transform = getTransformMatrix(data.rect, bbox, matrix);
+    return resourcesPromise.then(resources => {
+      const opList = new _operator_list.OperatorList();
+      opList.addOp(_util.OPS.beginAnnotation, [data.rect, transform, matrix]);
+      return evaluator.getOperatorList({
+        stream: appearance,
+        task,
+        resources,
+        operatorList: opList
+      }).then(() => {
+        opList.addOp(_util.OPS.endAnnotation, []);
+        appearance.reset();
+        return opList;
+      });
+    });
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    return null;
+  }
+
+}
+
+exports.Annotation = Annotation;
+
+class AnnotationBorderStyle {
+  constructor() {
+    this.width = 1;
+    this.style = _util.AnnotationBorderStyleType.SOLID;
+    this.dashArray = [3];
+    this.horizontalCornerRadius = 0;
+    this.verticalCornerRadius = 0;
+  }
+
+  setWidth(width, rect = [0, 0, 0, 0]) {
+    if ((0, _primitives.isName)(width)) {
+      this.width = 0;
+      return;
+    }
+
+    if (Number.isInteger(width)) {
+      if (width > 0) {
+        const maxWidth = (rect[2] - rect[0]) / 2;
+        const maxHeight = (rect[3] - rect[1]) / 2;
+
+        if (maxWidth > 0 && maxHeight > 0 && (width > maxWidth || width > maxHeight)) {
+          (0, _util.warn)(`AnnotationBorderStyle.setWidth - ignoring width: ${width}`);
+          width = 1;
+        }
+      }
+
+      this.width = width;
+    }
+  }
+
+  setStyle(style) {
+    if (!(0, _primitives.isName)(style)) {
+      return;
+    }
+
+    switch (style.name) {
+      case "S":
+        this.style = _util.AnnotationBorderStyleType.SOLID;
+        break;
+
+      case "D":
+        this.style = _util.AnnotationBorderStyleType.DASHED;
+        break;
+
+      case "B":
+        this.style = _util.AnnotationBorderStyleType.BEVELED;
+        break;
+
+      case "I":
+        this.style = _util.AnnotationBorderStyleType.INSET;
+        break;
+
+      case "U":
+        this.style = _util.AnnotationBorderStyleType.UNDERLINE;
+        break;
+
+      default:
+        break;
+    }
+  }
+
+  setDashArray(dashArray) {
+    if (Array.isArray(dashArray) && dashArray.length > 0) {
+      let isValid = true;
+      let allZeros = true;
+
+      for (const element of dashArray) {
+        const validNumber = +element >= 0;
+
+        if (!validNumber) {
+          isValid = false;
+          break;
+        } else if (element > 0) {
+          allZeros = false;
+        }
+      }
+
+      if (isValid && !allZeros) {
+        this.dashArray = dashArray;
+      } else {
+        this.width = 0;
+      }
+    } else if (dashArray) {
+      this.width = 0;
+    }
+  }
+
+  setHorizontalCornerRadius(radius) {
+    if (Number.isInteger(radius)) {
+      this.horizontalCornerRadius = radius;
+    }
+  }
+
+  setVerticalCornerRadius(radius) {
+    if (Number.isInteger(radius)) {
+      this.verticalCornerRadius = radius;
+    }
+  }
+
+}
+
+exports.AnnotationBorderStyle = AnnotationBorderStyle;
+
+class MarkupAnnotation extends Annotation {
+  constructor(parameters) {
+    super(parameters);
+    const dict = parameters.dict;
+
+    if (dict.has("IRT")) {
+      const rawIRT = dict.getRaw("IRT");
+      this.data.inReplyTo = (0, _primitives.isRef)(rawIRT) ? rawIRT.toString() : null;
+      const rt = dict.get("RT");
+      this.data.replyType = (0, _primitives.isName)(rt) ? rt.name : _util.AnnotationReplyType.REPLY;
+    }
+
+    if (this.data.replyType === _util.AnnotationReplyType.GROUP) {
+      const parent = dict.get("IRT");
+      this.data.title = (0, _util.stringToPDFString)(parent.get("T") || "");
+      this.setContents(parent.get("Contents"));
+      this.data.contents = this.contents;
+
+      if (!parent.has("CreationDate")) {
+        this.data.creationDate = null;
+      } else {
+        this.setCreationDate(parent.get("CreationDate"));
+        this.data.creationDate = this.creationDate;
+      }
+
+      if (!parent.has("M")) {
+        this.data.modificationDate = null;
+      } else {
+        this.setModificationDate(parent.get("M"));
+        this.data.modificationDate = this.modificationDate;
+      }
+
+      this.data.hasPopup = parent.has("Popup");
+
+      if (!parent.has("C")) {
+        this.data.color = null;
+      } else {
+        this.setColor(parent.getArray("C"));
+        this.data.color = this.color;
+      }
+    } else {
+      this.data.title = (0, _util.stringToPDFString)(dict.get("T") || "");
+      this.setCreationDate(dict.get("CreationDate"));
+      this.data.creationDate = this.creationDate;
+      this.data.hasPopup = dict.has("Popup");
+
+      if (!dict.has("C")) {
+        this.data.color = null;
+      }
+    }
+  }
+
+  setCreationDate(creationDate) {
+    this.creationDate = (0, _util.isString)(creationDate) ? creationDate : null;
+  }
+
+}
+
+exports.MarkupAnnotation = MarkupAnnotation;
+
+class WidgetAnnotation extends Annotation {
+  constructor(params) {
+    super(params);
+    const dict = params.dict;
+    const data = this.data;
+    this.ref = params.ref;
+    data.annotationType = _util.AnnotationType.WIDGET;
+    data.fieldName = this._constructFieldName(dict);
+    const fieldValue = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "V",
+      getArray: true
+    });
+    data.fieldValue = this._decodeFormValue(fieldValue);
+    data.alternativeText = (0, _util.stringToPDFString)(dict.get("TU") || "");
+    data.defaultAppearance = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "DA"
+    }) || params.acroForm.get("DA") || "";
+    const fieldType = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "FT"
+    });
+    data.fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+    this.fieldResources = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "DR"
+    }) || params.acroForm.get("DR") || _primitives.Dict.empty;
+    data.fieldFlags = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "Ff"
+    });
+
+    if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {
+      data.fieldFlags = 0;
+    }
+
+    data.readOnly = this.hasFieldFlag(_util.AnnotationFieldFlag.READONLY);
+
+    if (data.fieldType === "Sig") {
+      data.fieldValue = null;
+      this.setFlags(_util.AnnotationFlag.HIDDEN);
+    }
+  }
+
+  _constructFieldName(dict) {
+    if (!dict.has("T") && !dict.has("Parent")) {
+      (0, _util.warn)("Unknown field name, falling back to empty field name.");
+      return "";
+    }
+
+    if (!dict.has("Parent")) {
+      return (0, _util.stringToPDFString)(dict.get("T"));
+    }
+
+    const fieldName = [];
+
+    if (dict.has("T")) {
+      fieldName.unshift((0, _util.stringToPDFString)(dict.get("T")));
+    }
+
+    let loopDict = dict;
+
+    while (loopDict.has("Parent")) {
+      loopDict = loopDict.get("Parent");
+
+      if (!(0, _primitives.isDict)(loopDict)) {
+        break;
+      }
+
+      if (loopDict.has("T")) {
+        fieldName.unshift((0, _util.stringToPDFString)(loopDict.get("T")));
+      }
+    }
+
+    return fieldName.join(".");
+  }
+
+  _decodeFormValue(formValue) {
+    if (Array.isArray(formValue)) {
+      return formValue.filter(item => (0, _util.isString)(item)).map(item => (0, _util.stringToPDFString)(item));
+    } else if ((0, _primitives.isName)(formValue)) {
+      return (0, _util.stringToPDFString)(formValue.name);
+    } else if ((0, _util.isString)(formValue)) {
+      return (0, _util.stringToPDFString)(formValue);
+    }
+
+    return null;
+  }
+
+  hasFieldFlag(flag) {
+    return !!(this.data.fieldFlags & flag);
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (renderForms) {
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    if (!this._hasText) {
+      return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+    }
+
+    return this._getAppearance(evaluator, task, annotationStorage).then(content => {
+      if (this.appearance && content === null) {
+        return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+      }
+
+      const operatorList = new _operator_list.OperatorList();
+
+      if (!this.data.defaultAppearance || content === null) {
+        return operatorList;
+      }
+
+      const matrix = [1, 0, 0, 1, 0, 0];
+      const bbox = [0, 0, this.data.rect[2] - this.data.rect[0], this.data.rect[3] - this.data.rect[1]];
+      const transform = getTransformMatrix(this.data.rect, bbox, matrix);
+      operatorList.addOp(_util.OPS.beginAnnotation, [this.data.rect, transform, matrix]);
+      const stream = new _stream.StringStream(content);
+      return evaluator.getOperatorList({
+        stream,
+        task,
+        resources: this.fieldResources,
+        operatorList
+      }).then(function () {
+        operatorList.addOp(_util.OPS.endAnnotation, []);
+        return operatorList;
+      });
+    });
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    if (this.data.fieldValue === annotationStorage[this.data.id]) {
+      return null;
+    }
+
+    let appearance = await this._getAppearance(evaluator, task, annotationStorage);
+
+    if (appearance === null) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const bbox = [0, 0, this.data.rect[2] - this.data.rect[0], this.data.rect[3] - this.data.rect[1]];
+    const newRef = evaluator.xref.getNewRef();
+    const AP = new _primitives.Dict(evaluator.xref);
+    AP.set("N", newRef);
+    const value = annotationStorage[this.data.id];
+    const encrypt = evaluator.xref.encrypt;
+    let originalTransform = null;
+    let newTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+      newTransform = encrypt.createCipherTransform(newRef.num, newRef.gen);
+      appearance = newTransform.encryptString(appearance);
+    }
+
+    dict.set("V", value);
+    dict.set("AP", AP);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    const appearanceDict = new _primitives.Dict(evaluator.xref);
+    appearanceDict.set("Length", appearance.length);
+    appearanceDict.set("Subtype", _primitives.Name.get("Form"));
+    appearanceDict.set("Resources", this.fieldResources);
+    appearanceDict.set("BBox", bbox);
+    const bufferOriginal = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, bufferOriginal, originalTransform);
+    bufferOriginal.push("\nendobj\n");
+    const bufferNew = [`${newRef.num} ${newRef.gen} obj\n`];
+    (0, _writer.writeDict)(appearanceDict, bufferNew, newTransform);
+    bufferNew.push(" stream\n");
+    bufferNew.push(appearance);
+    bufferNew.push("\nendstream\nendobj\n");
+    return [{
+      ref: this.ref,
+      data: bufferOriginal.join("")
+    }, {
+      ref: newRef,
+      data: bufferNew.join("")
+    }];
+  }
+
+  async _getAppearance(evaluator, task, annotationStorage) {
+    const isPassword = this.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD);
+
+    if (!annotationStorage || isPassword) {
+      return null;
+    }
+
+    const value = annotationStorage[this.data.id];
+
+    if (value === "") {
+      return "";
+    }
+
+    const defaultPadding = 2;
+    const hPadding = defaultPadding;
+    const totalHeight = this.data.rect[3] - this.data.rect[1];
+    const totalWidth = this.data.rect[2] - this.data.rect[0];
+    const fontInfo = await this._getFontData(evaluator, task);
+    const [font, fontName] = fontInfo;
+    let fontSize = fontInfo[2];
+    fontSize = this._computeFontSize(font, fontName, fontSize, totalHeight);
+    let descent = font.descent;
+
+    if (isNaN(descent)) {
+      descent = 0;
+    }
+
+    const vPadding = defaultPadding + Math.abs(descent) * fontSize;
+    const defaultAppearance = this.data.defaultAppearance;
+    const alignment = this.data.textAlignment;
+
+    if (this.data.comb) {
+      return this._getCombAppearance(defaultAppearance, value, totalWidth, hPadding, vPadding);
+    }
+
+    if (this.data.multiLine) {
+      return this._getMultilineAppearance(defaultAppearance, value, font, fontSize, totalWidth, totalHeight, alignment, hPadding, vPadding);
+    }
+
+    if (alignment === 0 || alignment > 2) {
+      return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 ${hPadding} ${vPadding} Tm (${(0, _util.escapeString)(value)}) Tj` + " ET Q EMC";
+    }
+
+    const renderedText = this._renderText(value, font, fontSize, totalWidth, alignment, hPadding, vPadding);
+
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 0 0 Tm ${renderedText}` + " ET Q EMC";
+  }
+
+  async _getFontData(evaluator, task) {
+    const operatorList = new _operator_list.OperatorList();
+    const initialState = {
+      fontSize: 0,
+      font: null,
+      fontName: null,
+
+      clone() {
+        return this;
+      }
+
+    };
+    await evaluator.getOperatorList({
+      stream: new _stream.StringStream(this.data.defaultAppearance),
+      task,
+      resources: this.fieldResources,
+      operatorList,
+      initialState
+    });
+    return [initialState.font, initialState.fontName, initialState.fontSize];
+  }
+
+  _computeFontSize(font, fontName, fontSize, height) {
+    if (fontSize === null || fontSize === 0) {
+      const em = font.charsToGlyphs("M", true)[0].width / 1000;
+      const capHeight = 0.7 * em;
+      fontSize = Math.max(1, Math.floor(height / (1.5 * capHeight)));
+      let fontRegex = new RegExp(`/${fontName}\\s+[0-9\.]+\\s+Tf`);
+
+      if (this.data.defaultAppearance.search(fontRegex) === -1) {
+        fontRegex = new RegExp(`/${fontName}\\s+Tf`);
+      }
+
+      this.data.defaultAppearance = this.data.defaultAppearance.replace(fontRegex, `/${fontName} ${fontSize} Tf`);
+    }
+
+    return fontSize;
+  }
+
+  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {
+    const glyphs = font.charsToGlyphs(text);
+    const scale = fontSize / 1000;
+    let width = 0;
+
+    for (const glyph of glyphs) {
+      width += glyph.width * scale;
+    }
+
+    let shift;
+
+    if (alignment === 1) {
+      shift = (totalWidth - width) / 2;
+    } else if (alignment === 2) {
+      shift = totalWidth - width - hPadding;
+    } else {
+      shift = hPadding;
+    }
+
+    shift = shift.toFixed(2);
+    vPadding = vPadding.toFixed(2);
+    return `${shift} ${vPadding} Td (${(0, _util.escapeString)(text)}) Tj`;
+  }
+
+}
+
+class TextWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this._hasText = true;
+    const dict = params.dict;
+
+    if (!(0, _util.isString)(this.data.fieldValue)) {
+      this.data.fieldValue = "";
+    }
+
+    let alignment = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "Q"
+    });
+
+    if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {
+      alignment = null;
+    }
+
+    this.data.textAlignment = alignment;
+    let maximumLength = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "MaxLen"
+    });
+
+    if (!Number.isInteger(maximumLength) || maximumLength < 0) {
+      maximumLength = null;
+    }
+
+    this.data.maxLen = maximumLength;
+    this.data.multiLine = this.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE);
+    this.data.comb = this.hasFieldFlag(_util.AnnotationFieldFlag.COMB) && !this.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD) && !this.hasFieldFlag(_util.AnnotationFieldFlag.FILESELECT) && this.data.maxLen !== null;
+  }
+
+  _getCombAppearance(defaultAppearance, text, width, hPadding, vPadding) {
+    const combWidth = (width / this.data.maxLen).toFixed(2);
+    const buf = [];
+
+    for (const character of text) {
+      buf.push(`(${(0, _util.escapeString)(character)}) Tj`);
+    }
+
+    const renderedComb = buf.join(` ${combWidth} 0 Td `);
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 ${hPadding} ${vPadding} Tm ${renderedComb}` + " ET Q EMC";
+  }
+
+  _getMultilineAppearance(defaultAppearance, text, font, fontSize, width, height, alignment, hPadding, vPadding) {
+    const lines = text.split(/\r\n|\r|\n/);
+    const buf = [];
+    const totalWidth = width - 2 * hPadding;
+
+    for (const line of lines) {
+      const chunks = this._splitLine(line, font, fontSize, totalWidth);
+
+      for (const chunk of chunks) {
+        const padding = buf.length === 0 ? hPadding : 0;
+        buf.push(this._renderText(chunk, font, fontSize, width, alignment, padding, -fontSize));
+      }
+    }
+
+    const renderedText = buf.join("\n");
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 0 ${height} Tm ${renderedText}` + " ET Q EMC";
+  }
+
+  _splitLine(line, font, fontSize, width) {
+    if (line.length <= 1) {
+      return [line];
+    }
+
+    const scale = fontSize / 1000;
+    const whitespace = font.charsToGlyphs(" ", true)[0].width * scale;
+    const chunks = [];
+    let lastSpacePos = -1,
+        startChunk = 0,
+        currentWidth = 0;
+
+    for (let i = 0, ii = line.length; i < ii; i++) {
+      const character = line.charAt(i);
+
+      if (character === " ") {
+        if (currentWidth + whitespace > width) {
+          chunks.push(line.substring(startChunk, i));
+          startChunk = i;
+          currentWidth = whitespace;
+          lastSpacePos = -1;
+        } else {
+          currentWidth += whitespace;
+          lastSpacePos = i;
+        }
+      } else {
+        const charWidth = font.charsToGlyphs(character, false)[0].width * scale;
+
+        if (currentWidth + charWidth > width) {
+          if (lastSpacePos !== -1) {
+            chunks.push(line.substring(startChunk, lastSpacePos + 1));
+            startChunk = i = lastSpacePos + 1;
+            lastSpacePos = -1;
+            currentWidth = 0;
+          } else {
+            chunks.push(line.substring(startChunk, i));
+            startChunk = i;
+            currentWidth = charWidth;
+          }
+        } else {
+          currentWidth += charWidth;
+        }
+      }
+    }
+
+    if (startChunk < line.length) {
+      chunks.push(line.substring(startChunk, line.length));
+    }
+
+    return chunks;
+  }
+
+}
+
+class ButtonWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this.checkedAppearance = null;
+    this.uncheckedAppearance = null;
+    this.data.checkBox = !this.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    this.data.radioButton = this.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    this.data.pushButton = this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+
+    if (this.data.checkBox) {
+      this._processCheckBox(params);
+    } else if (this.data.radioButton) {
+      this._processRadioButton(params);
+    } else if (this.data.pushButton) {
+      this._processPushButton(params);
+    } else {
+      (0, _util.warn)("Invalid field flags for button widget annotation");
+    }
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (this.data.pushButton) {
+      return super.getOperatorList(evaluator, task, false, annotationStorage);
+    }
+
+    if (annotationStorage) {
+      const value = annotationStorage[this.data.id] || false;
+      let appearance;
+
+      if (value) {
+        appearance = this.checkedAppearance;
+      } else {
+        appearance = this.uncheckedAppearance;
+      }
+
+      if (appearance) {
+        const savedAppearance = this.appearance;
+        this.appearance = appearance;
+        const operatorList = super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+        this.appearance = savedAppearance;
+        return operatorList;
+      }
+
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    if (this.data.checkBox) {
+      return this._saveCheckbox(evaluator, task, annotationStorage);
+    }
+
+    if (this.data.radioButton) {
+      return this._saveRadioButton(evaluator, task, annotationStorage);
+    }
+
+    return super.save(evaluator, task, annotationStorage);
+  }
+
+  async _saveCheckbox(evaluator, task, annotationStorage) {
+    const defaultValue = this.data.fieldValue && this.data.fieldValue !== "Off";
+    const value = annotationStorage[this.data.id];
+
+    if (defaultValue === value) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const name = _primitives.Name.get(value ? this.data.exportValue : "Off");
+
+    dict.set("V", name);
+    dict.set("AS", name);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    const encrypt = evaluator.xref.encrypt;
+    let originalTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+    }
+
+    const buffer = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, buffer, originalTransform);
+    buffer.push("\nendobj\n");
+    return [{
+      ref: this.ref,
+      data: buffer.join("")
+    }];
+  }
+
+  async _saveRadioButton(evaluator, task, annotationStorage) {
+    const defaultValue = this.data.fieldValue === this.data.buttonValue;
+    const value = annotationStorage[this.data.id];
+
+    if (defaultValue === value) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const name = _primitives.Name.get(value ? this.data.buttonValue : "Off");
+
+    let parentBuffer = null;
+    const encrypt = evaluator.xref.encrypt;
+
+    if (value) {
+      if ((0, _primitives.isRef)(this.parent)) {
+        const parent = evaluator.xref.fetch(this.parent);
+        let parentTransform = null;
+
+        if (encrypt) {
+          parentTransform = encrypt.createCipherTransform(this.parent.num, this.parent.gen);
+        }
+
+        parent.set("V", name);
+        parentBuffer = [`${this.parent.num} ${this.parent.gen} obj\n`];
+        (0, _writer.writeDict)(parent, parentBuffer, parentTransform);
+        parentBuffer.push("\nendobj\n");
+      } else if ((0, _primitives.isDict)(this.parent)) {
+        this.parent.set("V", name);
+      }
+    }
+
+    dict.set("AS", name);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    let originalTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+    }
+
+    const buffer = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, buffer, originalTransform);
+    buffer.push("\nendobj\n");
+    const newRefs = [{
+      ref: this.ref,
+      data: buffer.join("")
+    }];
+
+    if (parentBuffer !== null) {
+      newRefs.push({
+        ref: this.parent,
+        data: parentBuffer.join("")
+      });
+    }
+
+    return newRefs;
+  }
+
+  _processCheckBox(params) {
+    const customAppearance = params.dict.get("AP");
+
+    if (!(0, _primitives.isDict)(customAppearance)) {
+      return;
+    }
+
+    const normalAppearance = customAppearance.get("N");
+
+    if (!(0, _primitives.isDict)(normalAppearance)) {
+      return;
+    }
+
+    const exportValues = normalAppearance.getKeys();
+
+    if (!exportValues.includes("Off")) {
+      exportValues.push("Off");
+    }
+
+    if (exportValues.length !== 2) {
+      return;
+    }
+
+    this.data.exportValue = exportValues[0] === "Off" ? exportValues[1] : exportValues[0];
+    this.checkedAppearance = normalAppearance.get(this.data.exportValue);
+    this.uncheckedAppearance = normalAppearance.get("Off") || null;
+  }
+
+  _processRadioButton(params) {
+    this.data.fieldValue = this.data.buttonValue = null;
+    const fieldParent = params.dict.get("Parent");
+
+    if ((0, _primitives.isDict)(fieldParent) && fieldParent.has("V")) {
+      const fieldParentValue = fieldParent.get("V");
+
+      if ((0, _primitives.isName)(fieldParentValue)) {
+        this.parent = params.dict.getRaw("Parent");
+        this.data.fieldValue = this._decodeFormValue(fieldParentValue);
+      }
+    }
+
+    const appearanceStates = params.dict.get("AP");
+
+    if (!(0, _primitives.isDict)(appearanceStates)) {
+      return;
+    }
+
+    const normalAppearance = appearanceStates.get("N");
+
+    if (!(0, _primitives.isDict)(normalAppearance)) {
+      return;
+    }
+
+    for (const key of normalAppearance.getKeys()) {
+      if (key !== "Off") {
+        this.data.buttonValue = key;
+        break;
+      }
+    }
+
+    this.checkedAppearance = normalAppearance.get(this.data.buttonValue);
+    this.uncheckedAppearance = normalAppearance.get("Off") || null;
+  }
+
+  _processPushButton(params) {
+    if (!params.dict.has("A")) {
+      (0, _util.warn)("Push buttons without action dictionaries are not supported");
+      return;
+    }
+
+    _obj.Catalog.parseDestDictionary({
+      destDict: params.dict,
+      resultObj: this.data,
+      docBaseUrl: params.pdfManager.docBaseUrl
+    });
+  }
+
+}
+
+class ChoiceWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this.data.options = [];
+    const options = (0, _core_utils.getInheritableProperty)({
+      dict: params.dict,
+      key: "Opt"
+    });
+
+    if (Array.isArray(options)) {
+      const xref = params.xref;
+
+      for (let i = 0, ii = options.length; i < ii; i++) {
+        const option = xref.fetchIfRef(options[i]);
+        const isOptionArray = Array.isArray(option);
+        this.data.options[i] = {
+          exportValue: this._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[0]) : option),
+          displayValue: this._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[1]) : option)
+        };
+      }
+    }
+
+    if ((0, _util.isString)(this.data.fieldValue)) {
+      this.data.fieldValue = [this.data.fieldValue];
+    } else if (!this.data.fieldValue) {
+      this.data.fieldValue = [];
+    }
+
+    this.data.combo = this.hasFieldFlag(_util.AnnotationFieldFlag.COMBO);
+    this.data.multiSelect = this.hasFieldFlag(_util.AnnotationFieldFlag.MULTISELECT);
+    this._hasText = true;
+  }
+
+}
+
+class TextAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    const DEFAULT_ICON_SIZE = 22;
+    super(parameters);
+    const dict = parameters.dict;
+    this.data.annotationType = _util.AnnotationType.TEXT;
+
+    if (this.data.hasAppearance) {
+      this.data.name = "NoIcon";
+    } else {
+      this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;
+      this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;
+      this.data.name = dict.has("Name") ? dict.get("Name").name : "Note";
+    }
+
+    if (dict.has("State")) {
+      this.data.state = dict.get("State") || null;
+      this.data.stateModel = dict.get("StateModel") || null;
+    } else {
+      this.data.state = null;
+      this.data.stateModel = null;
+    }
+  }
+
+}
+
+class LinkAnnotation extends Annotation {
+  constructor(params) {
+    super(params);
+    this.data.annotationType = _util.AnnotationType.LINK;
+    const quadPoints = getQuadPoints(params.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+
+    _obj.Catalog.parseDestDictionary({
+      destDict: params.dict,
+      resultObj: this.data,
+      docBaseUrl: params.pdfManager.docBaseUrl
+    });
+  }
+
+}
+
+class PopupAnnotation extends Annotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POPUP;
+    let parentItem = parameters.dict.get("Parent");
+
+    if (!parentItem) {
+      (0, _util.warn)("Popup annotation has a missing or invalid parent annotation.");
+      return;
+    }
+
+    const parentSubtype = parentItem.get("Subtype");
+    this.data.parentType = (0, _primitives.isName)(parentSubtype) ? parentSubtype.name : null;
+    const rawParent = parameters.dict.getRaw("Parent");
+    this.data.parentId = (0, _primitives.isRef)(rawParent) ? rawParent.toString() : null;
+    const rt = parentItem.get("RT");
+
+    if ((0, _primitives.isName)(rt, _util.AnnotationReplyType.GROUP)) {
+      parentItem = parentItem.get("IRT");
+    }
+
+    if (!parentItem.has("M")) {
+      this.data.modificationDate = null;
+    } else {
+      this.setModificationDate(parentItem.get("M"));
+      this.data.modificationDate = this.modificationDate;
+    }
+
+    if (!parentItem.has("C")) {
+      this.data.color = null;
+    } else {
+      this.setColor(parentItem.getArray("C"));
+      this.data.color = this.color;
+    }
+
+    if (!this.viewable) {
+      const parentFlags = parentItem.get("F");
+
+      if (this._isViewable(parentFlags)) {
+        this.setFlags(parentFlags);
+      }
+    }
+
+    this.data.title = (0, _util.stringToPDFString)(parentItem.get("T") || "");
+    this.data.contents = (0, _util.stringToPDFString)(parentItem.get("Contents") || "");
+  }
+
+}
+
+class FreeTextAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.FREETEXT;
+  }
+
+}
+
+class LineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.LINE;
+    this.data.lineCoordinates = _util.Util.normalizeRect(parameters.dict.getArray("L"));
+  }
+
+}
+
+class SquareAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.SQUARE;
+  }
+
+}
+
+class CircleAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.CIRCLE;
+  }
+
+}
+
+class PolylineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POLYLINE;
+    const rawVertices = parameters.dict.getArray("Vertices");
+    this.data.vertices = [];
+
+    for (let i = 0, ii = rawVertices.length; i < ii; i += 2) {
+      this.data.vertices.push({
+        x: rawVertices[i],
+        y: rawVertices[i + 1]
+      });
+    }
+  }
+
+}
+
+class PolygonAnnotation extends PolylineAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POLYGON;
+  }
+
+}
+
+class CaretAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.CARET;
+  }
+
+}
+
+class InkAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.INK;
+    const xref = parameters.xref;
+    const originalInkLists = parameters.dict.getArray("InkList");
+    this.data.inkLists = [];
+
+    for (let i = 0, ii = originalInkLists.length; i < ii; ++i) {
+      this.data.inkLists.push([]);
+
+      for (let j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {
+        this.data.inkLists[i].push({
+          x: xref.fetchIfRef(originalInkLists[i][j]),
+          y: xref.fetchIfRef(originalInkLists[i][j + 1])
+        });
+      }
+    }
+  }
+
+}
+
+class HighlightAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.HIGHLIGHT;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class UnderlineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.UNDERLINE;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class SquigglyAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.SQUIGGLY;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class StrikeOutAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.STRIKEOUT;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class StampAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.STAMP;
+  }
+
+}
+
+class FileAttachmentAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    const file = new _obj.FileSpec(parameters.dict.get("FS"), parameters.xref);
+    this.data.annotationType = _util.AnnotationType.FILEATTACHMENT;
+    this.data.file = file.serializable;
+  }
+
+}
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OperatorList = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var QueueOptimizer = function QueueOptimizerClosure() {
+  function addState(parentState, pattern, checkFn, iterateFn, processFn) {
+    var state = parentState;
+
+    for (var i = 0, ii = pattern.length - 1; i < ii; i++) {
+      var item = pattern[i];
+      state = state[item] || (state[item] = []);
+    }
+
+    state[pattern[pattern.length - 1]] = {
+      checkFn,
+      iterateFn,
+      processFn
+    };
+  }
+
+  function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray) {
+    var iFirstPIMXO = iFirstSave + 2;
+
+    for (var i = 0; i < count; i++) {
+      var arg = argsArray[iFirstPIMXO + 4 * i];
+      var imageMask = arg.length === 1 && arg[0];
+
+      if (imageMask && imageMask.width === 1 && imageMask.height === 1 && (!imageMask.data.length || imageMask.data.length === 1 && imageMask.data[0] === 0)) {
+        fnArray[iFirstPIMXO + 4 * i] = _util.OPS.paintSolidColorImageMask;
+        continue;
+      }
+
+      break;
+    }
+
+    return count - i;
+  }
+
+  var InitialState = [];
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintInlineImageXObject, _util.OPS.restore], null, function iterateInlineImageGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintInlineImageXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateInlineImageGroup - invalid pos: ${pos}`);
+  }, function foundInlineImageGroup(context, i) {
+    var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10;
+    var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200;
+    var MAX_WIDTH = 1000;
+    var IMAGE_PADDING = 1;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIIXO = curr - 1;
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_INLINE_IMAGES_BLOCK);
+
+    if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var maxX = 0;
+    var map = [],
+        maxLineHeight = 0;
+    var currentX = IMAGE_PADDING,
+        currentY = IMAGE_PADDING;
+    var q;
+
+    for (q = 0; q < count; q++) {
+      var transform = argsArray[iFirstTransform + (q << 2)];
+      var img = argsArray[iFirstPIIXO + (q << 2)][0];
+
+      if (currentX + img.width > MAX_WIDTH) {
+        maxX = Math.max(maxX, currentX);
+        currentY += maxLineHeight + 2 * IMAGE_PADDING;
+        currentX = 0;
+        maxLineHeight = 0;
+      }
+
+      map.push({
+        transform,
+        x: currentX,
+        y: currentY,
+        w: img.width,
+        h: img.height
+      });
+      currentX += img.width + 2 * IMAGE_PADDING;
+      maxLineHeight = Math.max(maxLineHeight, img.height);
+    }
+
+    var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING;
+    var imgHeight = currentY + maxLineHeight + IMAGE_PADDING;
+    var imgData = new Uint8ClampedArray(imgWidth * imgHeight * 4);
+    var imgRowSize = imgWidth << 2;
+
+    for (q = 0; q < count; q++) {
+      var data = argsArray[iFirstPIIXO + (q << 2)][0].data;
+      var rowSize = map[q].w << 2;
+      var dataOffset = 0;
+      var offset = map[q].x + map[q].y * imgWidth << 2;
+      imgData.set(data.subarray(0, rowSize), offset - imgRowSize);
+
+      for (var k = 0, kk = map[q].h; k < kk; k++) {
+        imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset);
+        dataOffset += rowSize;
+        offset += imgRowSize;
+      }
+
+      imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset);
+
+      while (offset >= 0) {
+        data[offset - 4] = data[offset];
+        data[offset - 3] = data[offset + 1];
+        data[offset - 2] = data[offset + 2];
+        data[offset - 1] = data[offset + 3];
+        data[offset + rowSize] = data[offset + rowSize - 4];
+        data[offset + rowSize + 1] = data[offset + rowSize - 3];
+        data[offset + rowSize + 2] = data[offset + rowSize - 2];
+        data[offset + rowSize + 3] = data[offset + rowSize - 1];
+        offset -= imgRowSize;
+      }
+    }
+
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintInlineImageXObjectGroup);
+    argsArray.splice(iFirstSave, count * 4, [{
+      width: imgWidth,
+      height: imgHeight,
+      kind: _util.ImageKind.RGBA_32BPP,
+      data: imgData
+    }, map]);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageMaskXObject, _util.OPS.restore], null, function iterateImageMaskGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintImageMaskXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateImageMaskGroup - invalid pos: ${pos}`);
+  }, function foundImageMaskGroup(context, i) {
+    var MIN_IMAGES_IN_MASKS_BLOCK = 10;
+    var MAX_IMAGES_IN_MASKS_BLOCK = 100;
+    var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIMXO = curr - 1;
+    var count = Math.floor((i - iFirstSave) / 4);
+    count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray);
+
+    if (count < MIN_IMAGES_IN_MASKS_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var q;
+    var isSameImage = false;
+    var iTransform, transformArgs;
+    var firstPIMXOArg0 = argsArray[iFirstPIMXO][0];
+    const firstTransformArg0 = argsArray[iFirstTransform][0],
+          firstTransformArg1 = argsArray[iFirstTransform][1],
+          firstTransformArg2 = argsArray[iFirstTransform][2],
+          firstTransformArg3 = argsArray[iFirstTransform][3];
+
+    if (firstTransformArg1 === firstTransformArg2) {
+      isSameImage = true;
+      iTransform = iFirstTransform + 4;
+      var iPIMXO = iFirstPIMXO + 4;
+
+      for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) {
+        transformArgs = argsArray[iTransform];
+
+        if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || transformArgs[0] !== firstTransformArg0 || transformArgs[1] !== firstTransformArg1 || transformArgs[2] !== firstTransformArg2 || transformArgs[3] !== firstTransformArg3) {
+          if (q < MIN_IMAGES_IN_MASKS_BLOCK) {
+            isSameImage = false;
+          } else {
+            count = q;
+          }
+
+          break;
+        }
+      }
+    }
+
+    if (isSameImage) {
+      count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK);
+      var positions = new Float32Array(count * 2);
+      iTransform = iFirstTransform;
+
+      for (q = 0; q < count; q++, iTransform += 4) {
+        transformArgs = argsArray[iTransform];
+        positions[q << 1] = transformArgs[4];
+        positions[(q << 1) + 1] = transformArgs[5];
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectRepeat);
+      argsArray.splice(iFirstSave, count * 4, [firstPIMXOArg0, firstTransformArg0, firstTransformArg1, firstTransformArg2, firstTransformArg3, positions]);
+    } else {
+      count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK);
+      var images = [];
+
+      for (q = 0; q < count; q++) {
+        transformArgs = argsArray[iFirstTransform + (q << 2)];
+        var maskParams = argsArray[iFirstPIMXO + (q << 2)][0];
+        images.push({
+          data: maskParams.data,
+          width: maskParams.width,
+          height: maskParams.height,
+          transform: transformArgs
+        });
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectGroup);
+      argsArray.splice(iFirstSave, count * 4, [images]);
+    }
+
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageXObject, _util.OPS.restore], function (context) {
+    var argsArray = context.argsArray;
+    var iFirstTransform = context.iCurr - 2;
+    return argsArray[iFirstTransform][1] === 0 && argsArray[iFirstTransform][2] === 0;
+  }, function iterateImageGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        if (fnArray[i] !== _util.OPS.transform) {
+          return false;
+        }
+
+        var iFirstTransform = context.iCurr - 2;
+        var firstTransformArg0 = argsArray[iFirstTransform][0];
+        var firstTransformArg3 = argsArray[iFirstTransform][3];
+
+        if (argsArray[i][0] !== firstTransformArg0 || argsArray[i][1] !== 0 || argsArray[i][2] !== 0 || argsArray[i][3] !== firstTransformArg3) {
+          return false;
+        }
+
+        return true;
+
+      case 2:
+        if (fnArray[i] !== _util.OPS.paintImageXObject) {
+          return false;
+        }
+
+        var iFirstPIXO = context.iCurr - 1;
+        var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+
+        if (argsArray[i][0] !== firstPIXOArg0) {
+          return false;
+        }
+
+        return true;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateImageGroup - invalid pos: ${pos}`);
+  }, function (context, i) {
+    var MIN_IMAGES_IN_BLOCK = 3;
+    var MAX_IMAGES_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIXO = curr - 1;
+    var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+    var firstTransformArg0 = argsArray[iFirstTransform][0];
+    var firstTransformArg3 = argsArray[iFirstTransform][3];
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_BLOCK);
+
+    if (count < MIN_IMAGES_IN_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var positions = new Float32Array(count * 2);
+    var iTransform = iFirstTransform;
+
+    for (var q = 0; q < count; q++, iTransform += 4) {
+      var transformArgs = argsArray[iTransform];
+      positions[q << 1] = transformArgs[4];
+      positions[(q << 1) + 1] = transformArgs[5];
+    }
+
+    var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, positions];
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageXObjectRepeat);
+    argsArray.splice(iFirstSave, count * 4, args);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.beginText, _util.OPS.setFont, _util.OPS.setTextMatrix, _util.OPS.showText, _util.OPS.endText], null, function iterateShowTextGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 4;
+    var pos = (i - iFirstSave) % 5;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.beginText;
+
+      case 1:
+        return fnArray[i] === _util.OPS.setFont;
+
+      case 2:
+        return fnArray[i] === _util.OPS.setTextMatrix;
+
+      case 3:
+        if (fnArray[i] !== _util.OPS.showText) {
+          return false;
+        }
+
+        var iFirstSetFont = context.iCurr - 3;
+        var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+        var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+
+        if (argsArray[i][0] !== firstSetFontArg0 || argsArray[i][1] !== firstSetFontArg1) {
+          return false;
+        }
+
+        return true;
+
+      case 4:
+        return fnArray[i] === _util.OPS.endText;
+    }
+
+    throw new Error(`iterateShowTextGroup - invalid pos: ${pos}`);
+  }, function (context, i) {
+    var MIN_CHARS_IN_BLOCK = 3;
+    var MAX_CHARS_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstBeginText = curr - 4;
+    var iFirstSetFont = curr - 3;
+    var iFirstSetTextMatrix = curr - 2;
+    var iFirstShowText = curr - 1;
+    var iFirstEndText = curr;
+    var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+    var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+    var count = Math.min(Math.floor((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK);
+
+    if (count < MIN_CHARS_IN_BLOCK) {
+      return i - (i - iFirstBeginText) % 5;
+    }
+
+    var iFirst = iFirstBeginText;
+
+    if (iFirstBeginText >= 4 && fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) {
+      count++;
+      iFirst -= 5;
+    }
+
+    var iEndText = iFirst + 4;
+
+    for (var q = 1; q < count; q++) {
+      fnArray.splice(iEndText, 3);
+      argsArray.splice(iEndText, 3);
+      iEndText += 2;
+    }
+
+    return iEndText + 1;
+  });
+
+  function QueueOptimizer(queue) {
+    this.queue = queue;
+    this.state = null;
+    this.context = {
+      iCurr: 0,
+      fnArray: queue.fnArray,
+      argsArray: queue.argsArray
+    };
+    this.match = null;
+    this.lastProcessed = 0;
+  }
+
+  QueueOptimizer.prototype = {
+    _optimize() {
+      const fnArray = this.queue.fnArray;
+      let i = this.lastProcessed,
+          ii = fnArray.length;
+      let state = this.state;
+      let match = this.match;
+
+      if (!state && !match && i + 1 === ii && !InitialState[fnArray[i]]) {
+        this.lastProcessed = ii;
+        return;
+      }
+
+      const context = this.context;
+
+      while (i < ii) {
+        if (match) {
+          const iterate = (0, match.iterateFn)(context, i);
+
+          if (iterate) {
+            i++;
+            continue;
+          }
+
+          i = (0, match.processFn)(context, i + 1);
+          ii = fnArray.length;
+          match = null;
+          state = null;
+
+          if (i >= ii) {
+            break;
+          }
+        }
+
+        state = (state || InitialState)[fnArray[i]];
+
+        if (!state || Array.isArray(state)) {
+          i++;
+          continue;
+        }
+
+        context.iCurr = i;
+        i++;
+
+        if (state.checkFn && !(0, state.checkFn)(context)) {
+          state = null;
+          continue;
+        }
+
+        match = state;
+        state = null;
+      }
+
+      this.state = state;
+      this.match = match;
+      this.lastProcessed = i;
+    },
+
+    push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+
+      this._optimize();
+    },
+
+    flush() {
+      while (this.match) {
+        const length = this.queue.fnArray.length;
+        this.lastProcessed = (0, this.match.processFn)(this.context, length);
+        this.match = null;
+        this.state = null;
+
+        this._optimize();
+      }
+    },
+
+    reset() {
+      this.state = null;
+      this.match = null;
+      this.lastProcessed = 0;
+    }
+
+  };
+  return QueueOptimizer;
+}();
+
+var NullOptimizer = function NullOptimizerClosure() {
+  function NullOptimizer(queue) {
+    this.queue = queue;
+  }
+
+  NullOptimizer.prototype = {
+    push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+    },
+
+    flush() {},
+
+    reset() {}
+
+  };
+  return NullOptimizer;
+}();
+
+var OperatorList = function OperatorListClosure() {
+  var CHUNK_SIZE = 1000;
+  var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5;
+
+  function OperatorList(intent, streamSink) {
+    this._streamSink = streamSink;
+    this.fnArray = [];
+    this.argsArray = [];
+
+    if (streamSink && intent !== "oplist") {
+      this.optimizer = new QueueOptimizer(this);
+    } else {
+      this.optimizer = new NullOptimizer(this);
+    }
+
+    this.dependencies = new Set();
+    this._totalLength = 0;
+    this.weight = 0;
+    this._resolved = streamSink ? null : Promise.resolve();
+  }
+
+  OperatorList.prototype = {
+    get length() {
+      return this.argsArray.length;
+    },
+
+    get ready() {
+      return this._resolved || this._streamSink.ready;
+    },
+
+    get totalLength() {
+      return this._totalLength + this.length;
+    },
+
+    addOp(fn, args) {
+      this.optimizer.push(fn, args);
+      this.weight++;
+
+      if (this._streamSink) {
+        if (this.weight >= CHUNK_SIZE) {
+          this.flush();
+        } else if (this.weight >= CHUNK_SIZE_ABOUT && (fn === _util.OPS.restore || fn === _util.OPS.endText)) {
+          this.flush();
+        }
+      }
+    },
+
+    addDependency(dependency) {
+      if (this.dependencies.has(dependency)) {
+        return;
+      }
+
+      this.dependencies.add(dependency);
+      this.addOp(_util.OPS.dependency, [dependency]);
+    },
+
+    addDependencies(dependencies) {
+      for (const dependency of dependencies) {
+        this.addDependency(dependency);
+      }
+    },
+
+    addOpList(opList) {
+      if (!(opList instanceof OperatorList)) {
+        (0, _util.warn)('addOpList - ignoring invalid "opList" parameter.');
+        return;
+      }
+
+      for (const dependency of opList.dependencies) {
+        this.dependencies.add(dependency);
+      }
+
+      for (var i = 0, ii = opList.length; i < ii; i++) {
+        this.addOp(opList.fnArray[i], opList.argsArray[i]);
+      }
+    },
+
+    getIR() {
+      return {
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        length: this.length
+      };
+    },
+
+    get _transfers() {
+      const transfers = [];
+      const {
+        fnArray,
+        argsArray,
+        length
+      } = this;
+
+      for (let i = 0; i < length; i++) {
+        switch (fnArray[i]) {
+          case _util.OPS.paintInlineImageXObject:
+          case _util.OPS.paintInlineImageXObjectGroup:
+          case _util.OPS.paintImageMaskXObject:
+            const arg = argsArray[i][0];
+            ;
+
+            if (!arg.cached) {
+              transfers.push(arg.data.buffer);
+            }
+
+            break;
+        }
+      }
+
+      return transfers;
+    },
+
+    flush(lastChunk = false) {
+      this.optimizer.flush();
+      const length = this.length;
+      this._totalLength += length;
+
+      this._streamSink.enqueue({
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        lastChunk,
+        length
+      }, 1, this._transfers);
+
+      this.dependencies.clear();
+      this.fnArray.length = 0;
+      this.argsArray.length = 0;
+      this.weight = 0;
+      this.optimizer.reset();
+    }
+
+  };
+  return OperatorList;
+}();
+
+exports.OperatorList = OperatorList;
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.writeDict = writeDict;
+exports.incrementalUpdate = incrementalUpdate;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _crypto = __w_pdfjs_require__(22);
+
+function writeDict(dict, buffer, transform) {
+  buffer.push("<<");
+
+  for (const key of dict.getKeys()) {
+    buffer.push(` /${key} `);
+    writeValue(dict.getRaw(key), buffer, transform);
+  }
+
+  buffer.push(">>");
+}
+
+function writeStream(stream, buffer, transform) {
+  writeDict(stream.dict, buffer, transform);
+  buffer.push(" stream\n");
+  let string = (0, _util.bytesToString)(stream.getBytes());
+
+  if (transform !== null) {
+    string = transform.encryptString(string);
+  }
+
+  buffer.push(string);
+  buffer.push("\nendstream\n");
+}
+
+function writeArray(array, buffer, transform) {
+  buffer.push("[");
+  let first = true;
+
+  for (const val of array) {
+    if (!first) {
+      buffer.push(" ");
+    } else {
+      first = false;
+    }
+
+    writeValue(val, buffer, transform);
+  }
+
+  buffer.push("]");
+}
+
+function numberToString(value) {
+  if (Number.isInteger(value)) {
+    return value.toString();
+  }
+
+  const roundedValue = Math.round(value * 100);
+
+  if (roundedValue % 100 === 0) {
+    return (roundedValue / 100).toString();
+  }
+
+  if (roundedValue % 10 === 0) {
+    return value.toFixed(1);
+  }
+
+  return value.toFixed(2);
+}
+
+function writeValue(value, buffer, transform) {
+  if ((0, _primitives.isName)(value)) {
+    buffer.push(`/${value.name}`);
+  } else if ((0, _primitives.isRef)(value)) {
+    buffer.push(`${value.num} ${value.gen} R`);
+  } else if (Array.isArray(value)) {
+    writeArray(value, buffer, transform);
+  } else if (typeof value === "string") {
+    if (transform !== null) {
+      value = transform.encryptString(value);
+    }
+
+    buffer.push(`(${(0, _util.escapeString)(value)})`);
+  } else if (typeof value === "number") {
+    buffer.push(numberToString(value));
+  } else if ((0, _primitives.isDict)(value)) {
+    writeDict(value, buffer, transform);
+  } else if ((0, _primitives.isStream)(value)) {
+    writeStream(value, buffer, transform);
+  }
+}
+
+function writeInt(number, size, offset, buffer) {
+  for (let i = size + offset - 1; i > offset - 1; i--) {
+    buffer[i] = number & 0xff;
+    number >>= 8;
+  }
+
+  return offset + size;
+}
+
+function writeString(string, offset, buffer) {
+  for (let i = 0, len = string.length; i < len; i++) {
+    buffer[offset + i] = string.charCodeAt(i) & 0xff;
+  }
+}
+
+function computeMD5(filesize, xrefInfo) {
+  const time = Math.floor(Date.now() / 1000);
+  const filename = xrefInfo.filename || "";
+  const md5Buffer = [time.toString(), filename, filesize.toString()];
+  let md5BufferLen = md5Buffer.reduce((a, str) => a + str.length, 0);
+
+  for (const value of Object.values(xrefInfo.info)) {
+    md5Buffer.push(value);
+    md5BufferLen += value.length;
+  }
+
+  const array = new Uint8Array(md5BufferLen);
+  let offset = 0;
+
+  for (const str of md5Buffer) {
+    writeString(str, offset, array);
+    offset += str.length;
+  }
+
+  return (0, _util.bytesToString)((0, _crypto.calculateMD5)(array));
+}
+
+function incrementalUpdate(originalData, xrefInfo, newRefs) {
+  const newXref = new _primitives.Dict(null);
+  const refForXrefTable = xrefInfo.newRef;
+  let buffer, baseOffset;
+  const lastByte = originalData[originalData.length - 1];
+
+  if (lastByte === 0x0a || lastByte === 0x0d) {
+    buffer = [];
+    baseOffset = originalData.length;
+  } else {
+    buffer = ["\n"];
+    baseOffset = originalData.length + 1;
+  }
+
+  newXref.set("Size", refForXrefTable.num + 1);
+  newXref.set("Prev", xrefInfo.startXRef);
+  newXref.set("Type", _primitives.Name.get("XRef"));
+
+  if (xrefInfo.rootRef !== null) {
+    newXref.set("Root", xrefInfo.rootRef);
+  }
+
+  if (xrefInfo.infoRef !== null) {
+    newXref.set("Info", xrefInfo.infoRef);
+  }
+
+  if (xrefInfo.encrypt !== null) {
+    newXref.set("Encrypt", xrefInfo.encrypt);
+  }
+
+  newRefs.push({
+    ref: refForXrefTable,
+    data: ""
+  });
+  newRefs = newRefs.sort((a, b) => {
+    return a.ref.num - b.ref.num;
+  });
+  const xrefTableData = [[0, 1, 0xffff]];
+  const indexes = [0, 1];
+  let maxOffset = 0;
+
+  for (const {
+    ref,
+    data
+  } of newRefs) {
+    maxOffset = Math.max(maxOffset, baseOffset);
+    xrefTableData.push([1, baseOffset, Math.min(ref.gen, 0xffff)]);
+    baseOffset += data.length;
+    indexes.push(ref.num);
+    indexes.push(1);
+    buffer.push(data);
+  }
+
+  newXref.set("Index", indexes);
+
+  if (xrefInfo.fileIds.length !== 0) {
+    const md5 = computeMD5(baseOffset, xrefInfo);
+    newXref.set("ID", [xrefInfo.fileIds[0], md5]);
+  }
+
+  const offsetSize = Math.ceil(Math.log2(maxOffset) / 8);
+  const sizes = [1, offsetSize, 2];
+  const structSize = sizes[0] + sizes[1] + sizes[2];
+  const tableLength = structSize * xrefTableData.length;
+  newXref.set("W", sizes);
+  newXref.set("Length", tableLength);
+  buffer.push(`${refForXrefTable.num} ${refForXrefTable.gen} obj\n`);
+  writeDict(newXref, buffer, null);
+  buffer.push(" stream\n");
+  const bufferLen = buffer.reduce((a, str) => a + str.length, 0);
+  const footer = `\nendstream\nendobj\nstartxref\n${baseOffset}\n%%EOF\n`;
+  const array = new Uint8Array(originalData.length + bufferLen + tableLength + footer.length);
+  array.set(originalData);
+  let offset = originalData.length;
+
+  for (const str of buffer) {
+    writeString(str, offset, array);
+    offset += str.length;
+  }
+
+  for (const [type, objOffset, gen] of xrefTableData) {
+    offset = writeInt(type, sizes[0], offset, array);
+    offset = writeInt(objOffset, sizes[1], offset, array);
+    offset = writeInt(gen, sizes[2], offset, array);
+  }
+
+  writeString(footer, offset, array);
+  return array;
+}
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PartialEvaluator = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _cmap = __w_pdfjs_require__(29);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _fonts = __w_pdfjs_require__(30);
+
+var _encodings = __w_pdfjs_require__(33);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _unicode = __w_pdfjs_require__(36);
+
+var _standard_fonts = __w_pdfjs_require__(35);
+
+var _pattern = __w_pdfjs_require__(39);
+
+var _function = __w_pdfjs_require__(40);
+
+var _parser = __w_pdfjs_require__(11);
+
+var _image_utils = __w_pdfjs_require__(24);
+
+var _bidi = __w_pdfjs_require__(42);
+
+var _colorspace = __w_pdfjs_require__(23);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _glyphlist = __w_pdfjs_require__(34);
+
+var _metrics = __w_pdfjs_require__(43);
+
+var _murmurhash = __w_pdfjs_require__(44);
+
+var _operator_list = __w_pdfjs_require__(26);
+
+var _image = __w_pdfjs_require__(45);
+
+const DefaultPartialEvaluatorOptions = Object.freeze({
+  maxImageSize: -1,
+  disableFontFace: false,
+  ignoreErrors: false,
+  isEvalSupported: true,
+  fontExtraProperties: false
+});
+const PatternType = {
+  TILING: 1,
+  SHADING: 2
+};
+const deferred = Promise.resolve();
+
+function normalizeBlendMode(value, parsingArray = false) {
+  if (Array.isArray(value)) {
+    for (let i = 0, ii = value.length; i < ii; i++) {
+      const maybeBM = normalizeBlendMode(value[i], true);
+
+      if (maybeBM) {
+        return maybeBM;
+      }
+    }
+
+    (0, _util.warn)(`Unsupported blend mode Array: ${value}`);
+    return "source-over";
+  }
+
+  if (!(0, _primitives.isName)(value)) {
+    if (parsingArray) {
+      return null;
+    }
+
+    return "source-over";
+  }
+
+  switch (value.name) {
+    case "Normal":
+    case "Compatible":
+      return "source-over";
+
+    case "Multiply":
+      return "multiply";
+
+    case "Screen":
+      return "screen";
+
+    case "Overlay":
+      return "overlay";
+
+    case "Darken":
+      return "darken";
+
+    case "Lighten":
+      return "lighten";
+
+    case "ColorDodge":
+      return "color-dodge";
+
+    case "ColorBurn":
+      return "color-burn";
+
+    case "HardLight":
+      return "hard-light";
+
+    case "SoftLight":
+      return "soft-light";
+
+    case "Difference":
+      return "difference";
+
+    case "Exclusion":
+      return "exclusion";
+
+    case "Hue":
+      return "hue";
+
+    case "Saturation":
+      return "saturation";
+
+    case "Color":
+      return "color";
+
+    case "Luminosity":
+      return "luminosity";
+  }
+
+  if (parsingArray) {
+    return null;
+  }
+
+  (0, _util.warn)(`Unsupported blend mode: ${value.name}`);
+  return "source-over";
+}
+
+class TimeSlotManager {
+  static get TIME_SLOT_DURATION_MS() {
+    return (0, _util.shadow)(this, "TIME_SLOT_DURATION_MS", 20);
+  }
+
+  static get CHECK_TIME_EVERY() {
+    return (0, _util.shadow)(this, "CHECK_TIME_EVERY", 100);
+  }
+
+  constructor() {
+    this.reset();
+  }
+
+  check() {
+    if (++this.checked < TimeSlotManager.CHECK_TIME_EVERY) {
+      return false;
+    }
+
+    this.checked = 0;
+    return this.endTime <= Date.now();
+  }
+
+  reset() {
+    this.endTime = Date.now() + TimeSlotManager.TIME_SLOT_DURATION_MS;
+    this.checked = 0;
+  }
+
+}
+
+class PartialEvaluator {
+  constructor({
+    xref,
+    handler,
+    pageIndex,
+    idFactory,
+    fontCache,
+    builtInCMapCache,
+    globalImageCache,
+    options = null
+  }) {
+    this.xref = xref;
+    this.handler = handler;
+    this.pageIndex = pageIndex;
+    this.idFactory = idFactory;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.options = options || DefaultPartialEvaluatorOptions;
+    this.parsingType3Font = false;
+    this._fetchBuiltInCMapBound = this.fetchBuiltInCMap.bind(this);
+  }
+
+  get _pdfFunctionFactory() {
+    const pdfFunctionFactory = new _function.PDFFunctionFactory({
+      xref: this.xref,
+      isEvalSupported: this.options.isEvalSupported
+    });
+    return (0, _util.shadow)(this, "_pdfFunctionFactory", pdfFunctionFactory);
+  }
+
+  clone(newOptions = DefaultPartialEvaluatorOptions) {
+    var newEvaluator = Object.create(this);
+    newEvaluator.options = newOptions;
+    return newEvaluator;
+  }
+
+  hasBlendModes(resources) {
+    if (!(resources instanceof _primitives.Dict)) {
+      return false;
+    }
+
+    const processed = new _primitives.RefSet();
+
+    if (resources.objId) {
+      processed.put(resources.objId);
+    }
+
+    var nodes = [resources],
+        xref = this.xref;
+
+    while (nodes.length) {
+      var node = nodes.shift();
+      var graphicStates = node.get("ExtGState");
+
+      if (graphicStates instanceof _primitives.Dict) {
+        for (let graphicState of graphicStates.getRawValues()) {
+          if (graphicState instanceof _primitives.Ref) {
+            if (processed.has(graphicState)) {
+              continue;
+            }
+
+            try {
+              graphicState = xref.fetch(graphicState);
+            } catch (ex) {
+              if (ex instanceof _core_utils.MissingDataException) {
+                throw ex;
+              }
+
+              processed.put(graphicState);
+              (0, _util.info)(`hasBlendModes - ignoring ExtGState: "${ex}".`);
+              continue;
+            }
+          }
+
+          if (!(graphicState instanceof _primitives.Dict)) {
+            continue;
+          }
+
+          if (graphicState.objId) {
+            processed.put(graphicState.objId);
+          }
+
+          const bm = graphicState.get("BM");
+
+          if (bm instanceof _primitives.Name) {
+            if (bm.name !== "Normal") {
+              return true;
+            }
+
+            continue;
+          }
+
+          if (bm !== undefined && Array.isArray(bm)) {
+            for (const element of bm) {
+              if (element instanceof _primitives.Name && element.name !== "Normal") {
+                return true;
+              }
+            }
+          }
+        }
+      }
+
+      var xObjects = node.get("XObject");
+
+      if (!(xObjects instanceof _primitives.Dict)) {
+        continue;
+      }
+
+      for (let xObject of xObjects.getRawValues()) {
+        if (xObject instanceof _primitives.Ref) {
+          if (processed.has(xObject)) {
+            continue;
+          }
+
+          try {
+            xObject = xref.fetch(xObject);
+          } catch (ex) {
+            if (ex instanceof _core_utils.MissingDataException) {
+              throw ex;
+            }
+
+            processed.put(xObject);
+            (0, _util.info)(`hasBlendModes - ignoring XObject: "${ex}".`);
+            continue;
+          }
+        }
+
+        if (!(0, _primitives.isStream)(xObject)) {
+          continue;
+        }
+
+        if (xObject.dict.objId) {
+          processed.put(xObject.dict.objId);
+        }
+
+        var xResources = xObject.dict.get("Resources");
+
+        if (!(xResources instanceof _primitives.Dict)) {
+          continue;
+        }
+
+        if (xResources.objId && processed.has(xResources.objId)) {
+          continue;
+        }
+
+        nodes.push(xResources);
+
+        if (xResources.objId) {
+          processed.put(xResources.objId);
+        }
+      }
+    }
+
+    return false;
+  }
+
+  async fetchBuiltInCMap(name) {
+    const cachedData = this.builtInCMapCache.get(name);
+
+    if (cachedData) {
+      return cachedData;
+    }
+
+    const readableStream = this.handler.sendWithStream("FetchBuiltInCMap", {
+      name
+    });
+    const reader = readableStream.getReader();
+    const data = await new Promise(function (resolve, reject) {
+      function pump() {
+        reader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            return;
+          }
+
+          resolve(value);
+          pump();
+        }, reject);
+      }
+
+      pump();
+    });
+
+    if (data.compressionType !== _util.CMapCompressionType.NONE) {
+      this.builtInCMapCache.set(name, data);
+    }
+
+    return data;
+  }
+
+  async buildFormXObject(resources, xobj, smask, operatorList, task, initialState, localColorSpaceCache) {
+    var dict = xobj.dict;
+    var matrix = dict.getArray("Matrix");
+    var bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      bbox = null;
+    }
+
+    let optionalContent = null;
+
+    if (dict.has("OC")) {
+      optionalContent = await this.parseMarkedContentProps(dict.get("OC"), resources);
+      operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", optionalContent]);
+    }
+
+    var group = dict.get("Group");
+
+    if (group) {
+      var groupOptions = {
+        matrix,
+        bbox,
+        smask,
+        isolated: false,
+        knockout: false
+      };
+      var groupSubtype = group.get("S");
+      var colorSpace = null;
+
+      if ((0, _primitives.isName)(groupSubtype, "Transparency")) {
+        groupOptions.isolated = group.get("I") || false;
+        groupOptions.knockout = group.get("K") || false;
+
+        if (group.has("CS")) {
+          const cs = group.getRaw("CS");
+
+          const cachedColorSpace = _colorspace.ColorSpace.getCached(cs, this.xref, localColorSpaceCache);
+
+          if (cachedColorSpace) {
+            colorSpace = cachedColorSpace;
+          } else {
+            colorSpace = await this.parseColorSpace({
+              cs,
+              resources,
+              localColorSpaceCache
+            });
+          }
+        }
+      }
+
+      if (smask && smask.backdrop) {
+        colorSpace = colorSpace || _colorspace.ColorSpace.singletons.rgb;
+        smask.backdrop = colorSpace.getRgb(smask.backdrop, 0);
+      }
+
+      operatorList.addOp(_util.OPS.beginGroup, [groupOptions]);
+    }
+
+    operatorList.addOp(_util.OPS.paintFormXObjectBegin, [matrix, bbox]);
+    return this.getOperatorList({
+      stream: xobj,
+      task,
+      resources: dict.get("Resources") || resources,
+      operatorList,
+      initialState
+    }).then(function () {
+      operatorList.addOp(_util.OPS.paintFormXObjectEnd, []);
+
+      if (group) {
+        operatorList.addOp(_util.OPS.endGroup, [groupOptions]);
+      }
+
+      if (optionalContent) {
+        operatorList.addOp(_util.OPS.endMarkedContent, []);
+      }
+    });
+  }
+
+  _sendImgData(objId, imgData, cacheGlobally = false) {
+    const transfers = imgData ? [imgData.data.buffer] : null;
+
+    if (this.parsingType3Font || cacheGlobally) {
+      return this.handler.send("commonobj", [objId, "Image", imgData], transfers);
+    }
+
+    return this.handler.send("obj", [objId, this.pageIndex, "Image", imgData], transfers);
+  }
+
+  async buildPaintImageXObject({
+    resources,
+    image,
+    isInline = false,
+    operatorList,
+    cacheKey,
+    localImageCache,
+    localColorSpaceCache
+  }) {
+    var dict = image.dict;
+    const imageRef = dict.objId;
+    var w = dict.get("Width", "W");
+    var h = dict.get("Height", "H");
+
+    if (!(w && (0, _util.isNum)(w)) || !(h && (0, _util.isNum)(h))) {
+      (0, _util.warn)("Image dimensions are missing, or not numbers.");
+      return undefined;
+    }
+
+    var maxImageSize = this.options.maxImageSize;
+
+    if (maxImageSize !== -1 && w * h > maxImageSize) {
+      (0, _util.warn)("Image exceeded maximum allowed size and was removed.");
+      return undefined;
+    }
+
+    var imageMask = dict.get("ImageMask", "IM") || false;
+    var imgData, args;
+
+    if (imageMask) {
+      var width = dict.get("Width", "W");
+      var height = dict.get("Height", "H");
+      var bitStrideLength = width + 7 >> 3;
+      var imgArray = image.getBytes(bitStrideLength * height, true);
+      var decode = dict.getArray("Decode", "D");
+      imgData = _image.PDFImage.createMask({
+        imgArray,
+        width,
+        height,
+        imageIsFromDecodeStream: image instanceof _stream.DecodeStream,
+        inverseDecode: !!decode && decode[0] > 0
+      });
+      imgData.cached = !!cacheKey;
+      args = [imgData];
+      operatorList.addOp(_util.OPS.paintImageMaskXObject, args);
+
+      if (cacheKey) {
+        localImageCache.set(cacheKey, imageRef, {
+          fn: _util.OPS.paintImageMaskXObject,
+          args
+        });
+      }
+
+      return undefined;
+    }
+
+    var softMask = dict.get("SMask", "SM") || false;
+    var mask = dict.get("Mask") || false;
+    var SMALL_IMAGE_DIMENSIONS = 200;
+
+    if (isInline && !softMask && !mask && w + h < SMALL_IMAGE_DIMENSIONS) {
+      const imageObj = new _image.PDFImage({
+        xref: this.xref,
+        res: resources,
+        image,
+        isInline,
+        pdfFunctionFactory: this._pdfFunctionFactory,
+        localColorSpaceCache
+      });
+      imgData = imageObj.createImageData(true);
+      operatorList.addOp(_util.OPS.paintInlineImageXObject, [imgData]);
+      return undefined;
+    }
+
+    let objId = `img_${this.idFactory.createObjId()}`,
+        cacheGlobally = false;
+
+    if (this.parsingType3Font) {
+      objId = `${this.idFactory.getDocId()}_type3_${objId}`;
+    } else if (imageRef) {
+      cacheGlobally = this.globalImageCache.shouldCache(imageRef, this.pageIndex);
+
+      if (cacheGlobally) {
+        objId = `${this.idFactory.getDocId()}_${objId}`;
+      }
+    }
+
+    operatorList.addDependency(objId);
+    args = [objId, w, h];
+
+    _image.PDFImage.buildImage({
+      xref: this.xref,
+      res: resources,
+      image,
+      isInline,
+      pdfFunctionFactory: this._pdfFunctionFactory,
+      localColorSpaceCache
+    }).then(imageObj => {
+      imgData = imageObj.createImageData(false);
+      return this._sendImgData(objId, imgData, cacheGlobally);
+    }).catch(reason => {
+      (0, _util.warn)(`Unable to decode image "${objId}": "${reason}".`);
+      return this._sendImgData(objId, null, cacheGlobally);
+    });
+
+    operatorList.addOp(_util.OPS.paintImageXObject, args);
+
+    if (cacheKey) {
+      localImageCache.set(cacheKey, imageRef, {
+        fn: _util.OPS.paintImageXObject,
+        args
+      });
+
+      if (imageRef) {
+        (0, _util.assert)(!isInline, "Cannot cache an inline image globally.");
+        this.globalImageCache.addPageIndex(imageRef, this.pageIndex);
+
+        if (cacheGlobally) {
+          this.globalImageCache.setData(imageRef, {
+            objId,
+            fn: _util.OPS.paintImageXObject,
+            args
+          });
+        }
+      }
+    }
+
+    return undefined;
+  }
+
+  handleSMask(smask, resources, operatorList, task, stateManager, localColorSpaceCache) {
+    var smaskContent = smask.get("G");
+    var smaskOptions = {
+      subtype: smask.get("S").name,
+      backdrop: smask.get("BC")
+    };
+    var transferObj = smask.get("TR");
+
+    if ((0, _function.isPDFFunction)(transferObj)) {
+      const transferFn = this._pdfFunctionFactory.create(transferObj);
+
+      var transferMap = new Uint8Array(256);
+      var tmp = new Float32Array(1);
+
+      for (var i = 0; i < 256; i++) {
+        tmp[0] = i / 255;
+        transferFn(tmp, 0, tmp, 0);
+        transferMap[i] = tmp[0] * 255 | 0;
+      }
+
+      smaskOptions.transferMap = transferMap;
+    }
+
+    return this.buildFormXObject(resources, smaskContent, smaskOptions, operatorList, task, stateManager.state.clone(), localColorSpaceCache);
+  }
+
+  handleTransferFunction(tr) {
+    let transferArray;
+
+    if (Array.isArray(tr)) {
+      transferArray = tr;
+    } else if ((0, _function.isPDFFunction)(tr)) {
+      transferArray = [tr];
+    } else {
+      return null;
+    }
+
+    const transferMaps = [];
+    let numFns = 0,
+        numEffectfulFns = 0;
+
+    for (const entry of transferArray) {
+      const transferObj = this.xref.fetchIfRef(entry);
+      numFns++;
+
+      if ((0, _primitives.isName)(transferObj, "Identity")) {
+        transferMaps.push(null);
+        continue;
+      } else if (!(0, _function.isPDFFunction)(transferObj)) {
+        return null;
+      }
+
+      const transferFn = this._pdfFunctionFactory.create(transferObj);
+
+      const transferMap = new Uint8Array(256),
+            tmp = new Float32Array(1);
+
+      for (let j = 0; j < 256; j++) {
+        tmp[0] = j / 255;
+        transferFn(tmp, 0, tmp, 0);
+        transferMap[j] = tmp[0] * 255 | 0;
+      }
+
+      transferMaps.push(transferMap);
+      numEffectfulFns++;
+    }
+
+    if (!(numFns === 1 || numFns === 4)) {
+      return null;
+    }
+
+    if (numEffectfulFns === 0) {
+      return null;
+    }
+
+    return transferMaps;
+  }
+
+  handleTilingType(fn, args, resources, pattern, patternDict, operatorList, task) {
+    const tilingOpList = new _operator_list.OperatorList();
+
+    const patternResources = _primitives.Dict.merge({
+      xref: this.xref,
+      dictArray: [patternDict.get("Resources"), resources]
+    });
+
+    return this.getOperatorList({
+      stream: pattern,
+      task,
+      resources: patternResources,
+      operatorList: tilingOpList
+    }).then(function () {
+      return (0, _pattern.getTilingPatternIR)({
+        fnArray: tilingOpList.fnArray,
+        argsArray: tilingOpList.argsArray
+      }, patternDict, args);
+    }).then(function (tilingPatternIR) {
+      operatorList.addDependencies(tilingOpList.dependencies);
+      operatorList.addOp(fn, tilingPatternIR);
+    }, reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorTilingPattern
+        });
+        (0, _util.warn)(`handleTilingType - ignoring pattern: "${reason}".`);
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) {
+    var fontName,
+        fontSize = 0;
+
+    if (fontArgs) {
+      fontArgs = fontArgs.slice();
+      fontName = fontArgs[0].name;
+      fontSize = fontArgs[1];
+    }
+
+    return this.loadFont(fontName, fontRef, resources).then(translated => {
+      if (!translated.font.isType3Font) {
+        return translated;
+      }
+
+      return translated.loadType3Data(this, resources, task).then(function () {
+        operatorList.addDependencies(translated.type3Dependencies);
+        return translated;
+      }).catch(reason => {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadType3
+        });
+        return new TranslatedFont({
+          loadedName: "g_font_error",
+          font: new _fonts.ErrorFont(`Type3 font load error: ${reason}`),
+          dict: translated.font,
+          extraProperties: this.options.fontExtraProperties
+        });
+      });
+    }).then(translated => {
+      state.font = translated.font;
+      state.fontSize = fontSize;
+      state.fontName = fontName;
+      translated.send(this.handler);
+      return translated.loadedName;
+    });
+  }
+
+  handleText(chars, state) {
+    const font = state.font;
+    const glyphs = font.charsToGlyphs(chars);
+
+    if (font.data) {
+      const isAddToPathSet = !!(state.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+
+      if (isAddToPathSet || state.fillColorSpace.name === "Pattern" || font.disableFontFace || this.options.disableFontFace) {
+        PartialEvaluator.buildFontPaths(font, glyphs, this.handler);
+      }
+    }
+
+    return glyphs;
+  }
+
+  ensureStateFont(state) {
+    if (state.font) {
+      return;
+    }
+
+    const reason = new _util.FormatError("Missing setFont (Tf) operator before text rendering operator.");
+
+    if (this.options.ignoreErrors) {
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontState
+      });
+      (0, _util.warn)(`ensureStateFont: "${reason}".`);
+      return;
+    }
+
+    throw reason;
+  }
+
+  async setGState({
+    resources,
+    gState,
+    operatorList,
+    cacheKey,
+    task,
+    stateManager,
+    localGStateCache,
+    localColorSpaceCache
+  }) {
+    const gStateRef = gState.objId;
+    let isSimpleGState = true;
+    var gStateObj = [];
+    var gStateKeys = gState.getKeys();
+    var promise = Promise.resolve();
+
+    for (var i = 0, ii = gStateKeys.length; i < ii; i++) {
+      const key = gStateKeys[i];
+      const value = gState.get(key);
+
+      switch (key) {
+        case "Type":
+          break;
+
+        case "LW":
+        case "LC":
+        case "LJ":
+        case "ML":
+        case "D":
+        case "RI":
+        case "FL":
+        case "CA":
+        case "ca":
+          gStateObj.push([key, value]);
+          break;
+
+        case "Font":
+          isSimpleGState = false;
+          promise = promise.then(() => {
+            return this.handleSetFont(resources, null, value[0], operatorList, task, stateManager.state).then(function (loadedName) {
+              operatorList.addDependency(loadedName);
+              gStateObj.push([key, [loadedName, value[1]]]);
+            });
+          });
+          break;
+
+        case "BM":
+          gStateObj.push([key, normalizeBlendMode(value)]);
+          break;
+
+        case "SMask":
+          if ((0, _primitives.isName)(value, "None")) {
+            gStateObj.push([key, false]);
+            break;
+          }
+
+          if ((0, _primitives.isDict)(value)) {
+            isSimpleGState = false;
+            promise = promise.then(() => {
+              return this.handleSMask(value, resources, operatorList, task, stateManager, localColorSpaceCache);
+            });
+            gStateObj.push([key, true]);
+          } else {
+            (0, _util.warn)("Unsupported SMask type");
+          }
+
+          break;
+
+        case "TR":
+          const transferMaps = this.handleTransferFunction(value);
+          gStateObj.push([key, transferMaps]);
+          break;
+
+        case "OP":
+        case "op":
+        case "OPM":
+        case "BG":
+        case "BG2":
+        case "UCR":
+        case "UCR2":
+        case "TR2":
+        case "HT":
+        case "SM":
+        case "SA":
+        case "AIS":
+        case "TK":
+          (0, _util.info)("graphic state operator " + key);
+          break;
+
+        default:
+          (0, _util.info)("Unknown graphic state operator " + key);
+          break;
+      }
+    }
+
+    return promise.then(function () {
+      if (gStateObj.length > 0) {
+        operatorList.addOp(_util.OPS.setGState, [gStateObj]);
+      }
+
+      if (isSimpleGState) {
+        localGStateCache.set(cacheKey, gStateRef, gStateObj);
+      }
+    });
+  }
+
+  loadFont(fontName, font, resources) {
+    const errorFont = () => {
+      return Promise.resolve(new TranslatedFont({
+        loadedName: "g_font_error",
+        font: new _fonts.ErrorFont(`Font "${fontName}" is not available.`),
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    };
+
+    var fontRef,
+        xref = this.xref;
+
+    if (font) {
+      if (!(0, _primitives.isRef)(font)) {
+        throw new _util.FormatError('The "font" object should be a reference.');
+      }
+
+      fontRef = font;
+    } else {
+      var fontRes = resources.get("Font");
+
+      if (fontRes) {
+        fontRef = fontRes.getRaw(fontName);
+      }
+    }
+
+    if (!fontRef) {
+      const partialMsg = `Font "${fontName || font && font.toString()}" is not available`;
+
+      if (!this.options.ignoreErrors && !this.parsingType3Font) {
+        (0, _util.warn)(`${partialMsg}.`);
+        return errorFont();
+      }
+
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontMissing
+      });
+      (0, _util.warn)(`${partialMsg} -- attempting to fallback to a default font.`);
+      fontRef = PartialEvaluator.fallbackFontDict;
+    }
+
+    if (this.fontCache.has(fontRef)) {
+      return this.fontCache.get(fontRef);
+    }
+
+    font = xref.fetchIfRef(fontRef);
+
+    if (!(0, _primitives.isDict)(font)) {
+      return errorFont();
+    }
+
+    if (font.translated) {
+      return font.translated;
+    }
+
+    var fontCapability = (0, _util.createPromiseCapability)();
+    var preEvaluatedFont = this.preEvaluateFont(font);
+    const {
+      descriptor,
+      hash
+    } = preEvaluatedFont;
+    var fontRefIsRef = (0, _primitives.isRef)(fontRef),
+        fontID;
+
+    if (fontRefIsRef) {
+      fontID = `f${fontRef.toString()}`;
+    }
+
+    if (hash && (0, _primitives.isDict)(descriptor)) {
+      if (!descriptor.fontAliases) {
+        descriptor.fontAliases = Object.create(null);
+      }
+
+      var fontAliases = descriptor.fontAliases;
+
+      if (fontAliases[hash]) {
+        var aliasFontRef = fontAliases[hash].aliasRef;
+
+        if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) {
+          this.fontCache.putAlias(fontRef, aliasFontRef);
+          return this.fontCache.get(fontRef);
+        }
+      } else {
+        fontAliases[hash] = {
+          fontID: this.idFactory.createFontId()
+        };
+      }
+
+      if (fontRefIsRef) {
+        fontAliases[hash].aliasRef = fontRef;
+      }
+
+      fontID = fontAliases[hash].fontID;
+    }
+
+    if (fontRefIsRef) {
+      this.fontCache.put(fontRef, fontCapability.promise);
+    } else {
+      if (!fontID) {
+        fontID = this.idFactory.createFontId();
+      }
+
+      this.fontCache.put(`id_${fontID}`, fontCapability.promise);
+    }
+
+    (0, _util.assert)(fontID && fontID.startsWith("f"), 'The "fontID" must be (correctly) defined.');
+    font.loadedName = `${this.idFactory.getDocId()}_${fontID}`;
+    font.translated = fontCapability.promise;
+    var translatedPromise;
+
+    try {
+      translatedPromise = this.translateFont(preEvaluatedFont);
+    } catch (e) {
+      translatedPromise = Promise.reject(e);
+    }
+
+    translatedPromise.then(translatedFont => {
+      if (translatedFont.fontType !== undefined) {
+        var xrefFontStats = xref.stats.fontTypes;
+        xrefFontStats[translatedFont.fontType] = true;
+      }
+
+      fontCapability.resolve(new TranslatedFont({
+        loadedName: font.loadedName,
+        font: translatedFont,
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    }).catch(reason => {
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontTranslate
+      });
+
+      try {
+        var fontFile3 = descriptor && descriptor.get("FontFile3");
+        var subtype = fontFile3 && fontFile3.get("Subtype");
+        var fontType = (0, _fonts.getFontType)(preEvaluatedFont.type, subtype && subtype.name);
+        var xrefFontStats = xref.stats.fontTypes;
+        xrefFontStats[fontType] = true;
+      } catch (ex) {}
+
+      fontCapability.resolve(new TranslatedFont({
+        loadedName: font.loadedName,
+        font: new _fonts.ErrorFont(reason instanceof Error ? reason.message : reason),
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    });
+    return fontCapability.promise;
+  }
+
+  buildPath(operatorList, fn, args, parsingText = false) {
+    var lastIndex = operatorList.length - 1;
+
+    if (!args) {
+      args = [];
+    }
+
+    if (lastIndex < 0 || operatorList.fnArray[lastIndex] !== _util.OPS.constructPath) {
+      if (parsingText) {
+        (0, _util.warn)(`Encountered path operator "${fn}" inside of a text object.`);
+        operatorList.addOp(_util.OPS.save, null);
+      }
+
+      operatorList.addOp(_util.OPS.constructPath, [[fn], args]);
+
+      if (parsingText) {
+        operatorList.addOp(_util.OPS.restore, null);
+      }
+    } else {
+      var opArgs = operatorList.argsArray[lastIndex];
+      opArgs[0].push(fn);
+      Array.prototype.push.apply(opArgs[1], args);
+    }
+  }
+
+  parseColorSpace({
+    cs,
+    resources,
+    localColorSpaceCache
+  }) {
+    return _colorspace.ColorSpace.parseAsync({
+      cs,
+      xref: this.xref,
+      resources,
+      pdfFunctionFactory: this._pdfFunctionFactory,
+      localColorSpaceCache
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return null;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorColorSpace
+        });
+        (0, _util.warn)(`parseColorSpace - ignoring ColorSpace: "${reason}".`);
+        return null;
+      }
+
+      throw reason;
+    });
+  }
+
+  async handleColorN(operatorList, fn, args, cs, patterns, resources, task, localColorSpaceCache) {
+    var patternName = args[args.length - 1];
+    var pattern;
+
+    if ((0, _primitives.isName)(patternName) && (pattern = patterns.get(patternName.name))) {
+      var dict = (0, _primitives.isStream)(pattern) ? pattern.dict : pattern;
+      var typeNum = dict.get("PatternType");
+
+      if (typeNum === PatternType.TILING) {
+        var color = cs.base ? cs.base.getRgb(args, 0) : null;
+        return this.handleTilingType(fn, color, resources, pattern, dict, operatorList, task);
+      } else if (typeNum === PatternType.SHADING) {
+        var shading = dict.get("Shading");
+        var matrix = dict.getArray("Matrix");
+        pattern = _pattern.Pattern.parseShading(shading, matrix, this.xref, resources, this.handler, this._pdfFunctionFactory, localColorSpaceCache);
+        operatorList.addOp(fn, pattern.getIR());
+        return undefined;
+      }
+
+      throw new _util.FormatError(`Unknown PatternType: ${typeNum}`);
+    }
+
+    throw new _util.FormatError(`Unknown PatternName: ${patternName}`);
+  }
+
+  async parseMarkedContentProps(contentProperties, resources) {
+    let optionalContent;
+
+    if ((0, _primitives.isName)(contentProperties)) {
+      const properties = resources.get("Properties");
+      optionalContent = properties.get(contentProperties.name);
+    } else if ((0, _primitives.isDict)(contentProperties)) {
+      optionalContent = contentProperties;
+    } else {
+      throw new _util.FormatError("Optional content properties malformed.");
+    }
+
+    const optionalContentType = optionalContent.get("Type").name;
+
+    if (optionalContentType === "OCG") {
+      return {
+        type: optionalContentType,
+        id: optionalContent.objId
+      };
+    } else if (optionalContentType === "OCMD") {
+      const optionalContentGroups = optionalContent.get("OCGs");
+
+      if (Array.isArray(optionalContentGroups) || (0, _primitives.isDict)(optionalContentGroups)) {
+        const groupIds = [];
+
+        if (Array.isArray(optionalContentGroups)) {
+          optionalContent.get("OCGs").forEach(ocg => {
+            groupIds.push(ocg.toString());
+          });
+        } else {
+          groupIds.push(optionalContentGroups.objId);
+        }
+
+        let expression = null;
+
+        if (optionalContent.get("VE")) {
+          expression = true;
+        }
+
+        return {
+          type: optionalContentType,
+          ids: groupIds,
+          policy: (0, _primitives.isName)(optionalContent.get("P")) ? optionalContent.get("P").name : null,
+          expression
+        };
+      } else if ((0, _primitives.isRef)(optionalContentGroups)) {
+        return {
+          type: optionalContentType,
+          id: optionalContentGroups.toString()
+        };
+      }
+    }
+
+    return null;
+  }
+
+  getOperatorList({
+    stream,
+    task,
+    resources,
+    operatorList,
+    initialState = null
+  }) {
+    resources = resources || _primitives.Dict.empty;
+    initialState = initialState || new EvalState();
+
+    if (!operatorList) {
+      throw new Error('getOperatorList: missing "operatorList" parameter');
+    }
+
+    var self = this;
+    var xref = this.xref;
+    let parsingText = false;
+    const localImageCache = new _image_utils.LocalImageCache();
+    const localColorSpaceCache = new _image_utils.LocalColorSpaceCache();
+    const localGStateCache = new _image_utils.LocalGStateCache();
+
+    var xobjs = resources.get("XObject") || _primitives.Dict.empty;
+
+    var patterns = resources.get("Pattern") || _primitives.Dict.empty;
+
+    var stateManager = new StateManager(initialState);
+    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+    var timeSlotManager = new TimeSlotManager();
+
+    function closePendingRestoreOPS(argument) {
+      for (var i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {
+        operatorList.addOp(_util.OPS.restore, []);
+      }
+    }
+
+    return new Promise(function promiseBody(resolve, reject) {
+      const next = function (promise) {
+        Promise.all([promise, operatorList.ready]).then(function () {
+          try {
+            promiseBody(resolve, reject);
+          } catch (ex) {
+            reject(ex);
+          }
+        }, reject);
+      };
+
+      task.ensureNotTerminated();
+      timeSlotManager.reset();
+      var stop,
+          operation = {},
+          i,
+          ii,
+          cs,
+          name;
+
+      while (!(stop = timeSlotManager.check())) {
+        operation.args = null;
+
+        if (!preprocessor.read(operation)) {
+          break;
+        }
+
+        var args = operation.args;
+        var fn = operation.fn;
+
+        switch (fn | 0) {
+          case _util.OPS.paintXObject:
+            name = args[0].name;
+
+            if (name) {
+              const localImage = localImageCache.getByName(name);
+
+              if (localImage) {
+                operatorList.addOp(localImage.fn, localImage.args);
+                args = null;
+                continue;
+              }
+            }
+
+            next(new Promise(function (resolveXObject, rejectXObject) {
+              if (!name) {
+                throw new _util.FormatError("XObject must be referred to by name.");
+              }
+
+              let xobj = xobjs.getRaw(name);
+
+              if (xobj instanceof _primitives.Ref) {
+                const localImage = localImageCache.getByRef(xobj);
+
+                if (localImage) {
+                  operatorList.addOp(localImage.fn, localImage.args);
+                  resolveXObject();
+                  return;
+                }
+
+                const globalImage = self.globalImageCache.getData(xobj, self.pageIndex);
+
+                if (globalImage) {
+                  operatorList.addDependency(globalImage.objId);
+                  operatorList.addOp(globalImage.fn, globalImage.args);
+                  resolveXObject();
+                  return;
+                }
+
+                xobj = xref.fetch(xobj);
+              }
+
+              if (!(0, _primitives.isStream)(xobj)) {
+                throw new _util.FormatError("XObject should be a stream");
+              }
+
+              const type = xobj.dict.get("Subtype");
+
+              if (!(0, _primitives.isName)(type)) {
+                throw new _util.FormatError("XObject should have a Name subtype");
+              }
+
+              if (type.name === "Form") {
+                stateManager.save();
+                self.buildFormXObject(resources, xobj, null, operatorList, task, stateManager.state.clone(), localColorSpaceCache).then(function () {
+                  stateManager.restore();
+                  resolveXObject();
+                }, rejectXObject);
+                return;
+              } else if (type.name === "Image") {
+                self.buildPaintImageXObject({
+                  resources,
+                  image: xobj,
+                  operatorList,
+                  cacheKey: name,
+                  localImageCache,
+                  localColorSpaceCache
+                }).then(resolveXObject, rejectXObject);
+                return;
+              } else if (type.name === "PS") {
+                (0, _util.info)("Ignored XObject subtype PS");
+              } else {
+                throw new _util.FormatError(`Unhandled XObject subtype ${type.name}`);
+              }
+
+              resolveXObject();
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                self.handler.send("UnsupportedFeature", {
+                  featureId: _util.UNSUPPORTED_FEATURES.errorXObject
+                });
+                (0, _util.warn)(`getOperatorList - ignoring XObject: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.setFont:
+            var fontSize = args[1];
+            next(self.handleSetFont(resources, args, null, operatorList, task, stateManager.state).then(function (loadedName) {
+              operatorList.addDependency(loadedName);
+              operatorList.addOp(_util.OPS.setFont, [loadedName, fontSize]);
+            }));
+            return;
+
+          case _util.OPS.beginText:
+            parsingText = true;
+            break;
+
+          case _util.OPS.endText:
+            parsingText = false;
+            break;
+
+          case _util.OPS.endInlineImage:
+            var cacheKey = args[0].cacheKey;
+
+            if (cacheKey) {
+              const localImage = localImageCache.getByName(cacheKey);
+
+              if (localImage) {
+                operatorList.addOp(localImage.fn, localImage.args);
+                args = null;
+                continue;
+              }
+            }
+
+            next(self.buildPaintImageXObject({
+              resources,
+              image: args[0],
+              isInline: true,
+              operatorList,
+              cacheKey,
+              localImageCache,
+              localColorSpaceCache
+            }));
+            return;
+
+          case _util.OPS.showText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            args[0] = self.handleText(args[0], stateManager.state);
+            break;
+
+          case _util.OPS.showSpacedText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            var arr = args[0];
+            var combinedGlyphs = [];
+            var arrLength = arr.length;
+            var state = stateManager.state;
+
+            for (i = 0; i < arrLength; ++i) {
+              var arrItem = arr[i];
+
+              if ((0, _util.isString)(arrItem)) {
+                Array.prototype.push.apply(combinedGlyphs, self.handleText(arrItem, state));
+              } else if ((0, _util.isNum)(arrItem)) {
+                combinedGlyphs.push(arrItem);
+              }
+            }
+
+            args[0] = combinedGlyphs;
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.nextLineShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            operatorList.addOp(_util.OPS.nextLine);
+            args[0] = self.handleText(args[0], stateManager.state);
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.nextLineSetSpacingShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            operatorList.addOp(_util.OPS.nextLine);
+            operatorList.addOp(_util.OPS.setWordSpacing, [args.shift()]);
+            operatorList.addOp(_util.OPS.setCharSpacing, [args.shift()]);
+            args[0] = self.handleText(args[0], stateManager.state);
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.setTextRenderingMode:
+            stateManager.state.textRenderingMode = args[0];
+            break;
+
+          case _util.OPS.setFillColorSpace:
+            {
+              const cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+              if (cachedColorSpace) {
+                stateManager.state.fillColorSpace = cachedColorSpace;
+                continue;
+              }
+
+              next(self.parseColorSpace({
+                cs: args[0],
+                resources,
+                localColorSpaceCache
+              }).then(function (colorSpace) {
+                if (colorSpace) {
+                  stateManager.state.fillColorSpace = colorSpace;
+                }
+              }));
+              return;
+            }
+
+          case _util.OPS.setStrokeColorSpace:
+            {
+              const cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+              if (cachedColorSpace) {
+                stateManager.state.strokeColorSpace = cachedColorSpace;
+                continue;
+              }
+
+              next(self.parseColorSpace({
+                cs: args[0],
+                resources,
+                localColorSpaceCache
+              }).then(function (colorSpace) {
+                if (colorSpace) {
+                  stateManager.state.strokeColorSpace = colorSpace;
+                }
+              }));
+              return;
+            }
+
+          case _util.OPS.setFillColor:
+            cs = stateManager.state.fillColorSpace;
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeColor:
+            cs = stateManager.state.strokeColorSpace;
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillGray:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+            args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeGray:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+            args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillCMYKColor:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+            args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeCMYKColor:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+            args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillRGBColor:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.rgb;
+            args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+            break;
+
+          case _util.OPS.setStrokeRGBColor:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.rgb;
+            args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+            break;
+
+          case _util.OPS.setFillColorN:
+            cs = stateManager.state.fillColorSpace;
+
+            if (cs.name === "Pattern") {
+              next(self.handleColorN(operatorList, _util.OPS.setFillColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+              return;
+            }
+
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeColorN:
+            cs = stateManager.state.strokeColorSpace;
+
+            if (cs.name === "Pattern") {
+              next(self.handleColorN(operatorList, _util.OPS.setStrokeColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+              return;
+            }
+
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.shadingFill:
+            var shadingRes = resources.get("Shading");
+
+            if (!shadingRes) {
+              throw new _util.FormatError("No shading resource found");
+            }
+
+            var shading = shadingRes.get(args[0].name);
+
+            if (!shading) {
+              throw new _util.FormatError("No shading object found");
+            }
+
+            var shadingFill = _pattern.Pattern.parseShading(shading, null, xref, resources, self.handler, self._pdfFunctionFactory, localColorSpaceCache);
+
+            var patternIR = shadingFill.getIR();
+            args = [patternIR];
+            fn = _util.OPS.shadingFill;
+            break;
+
+          case _util.OPS.setGState:
+            name = args[0].name;
+
+            if (name) {
+              const localGStateObj = localGStateCache.getByName(name);
+
+              if (localGStateObj) {
+                if (localGStateObj.length > 0) {
+                  operatorList.addOp(_util.OPS.setGState, [localGStateObj]);
+                }
+
+                args = null;
+                continue;
+              }
+            }
+
+            next(new Promise(function (resolveGState, rejectGState) {
+              if (!name) {
+                throw new _util.FormatError("GState must be referred to by name.");
+              }
+
+              const extGState = resources.get("ExtGState");
+
+              if (!(extGState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("ExtGState should be a dictionary.");
+              }
+
+              const gState = extGState.get(name);
+
+              if (!(gState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("GState should be a dictionary.");
+              }
+
+              self.setGState({
+                resources,
+                gState,
+                operatorList,
+                cacheKey: name,
+                task,
+                stateManager,
+                localGStateCache,
+                localColorSpaceCache
+              }).then(resolveGState, rejectGState);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                self.handler.send("UnsupportedFeature", {
+                  featureId: _util.UNSUPPORTED_FEATURES.errorExtGState
+                });
+                (0, _util.warn)(`getOperatorList - ignoring ExtGState: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.moveTo:
+          case _util.OPS.lineTo:
+          case _util.OPS.curveTo:
+          case _util.OPS.curveTo2:
+          case _util.OPS.curveTo3:
+          case _util.OPS.closePath:
+          case _util.OPS.rectangle:
+            self.buildPath(operatorList, fn, args, parsingText);
+            continue;
+
+          case _util.OPS.markPoint:
+          case _util.OPS.markPointProps:
+          case _util.OPS.beginCompat:
+          case _util.OPS.endCompat:
+            continue;
+
+          case _util.OPS.beginMarkedContentProps:
+            if (!(0, _primitives.isName)(args[0])) {
+              (0, _util.warn)(`Expected name for beginMarkedContentProps arg0=${args[0]}`);
+              continue;
+            }
+
+            if (args[0].name === "OC") {
+              next(self.parseMarkedContentProps(args[1], resources).then(data => {
+                operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", data]);
+              }).catch(reason => {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  self.handler.send("UnsupportedFeature", {
+                    featureId: _util.UNSUPPORTED_FEATURES.errorMarkedContent
+                  });
+                  (0, _util.warn)(`getOperatorList - ignoring beginMarkedContentProps: "${reason}".`);
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+            }
+
+            args = [args[0].name];
+            break;
+
+          case _util.OPS.beginMarkedContent:
+          case _util.OPS.endMarkedContent:
+          default:
+            if (args !== null) {
+              for (i = 0, ii = args.length; i < ii; i++) {
+                if (args[i] instanceof _primitives.Dict) {
+                  break;
+                }
+              }
+
+              if (i < ii) {
+                (0, _util.warn)("getOperatorList - ignoring operator: " + fn);
+                continue;
+              }
+            }
+
+        }
+
+        operatorList.addOp(fn, args);
+      }
+
+      if (stop) {
+        next(deferred);
+        return;
+      }
+
+      closePendingRestoreOPS();
+      resolve();
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+        });
+        (0, _util.warn)(`getOperatorList - ignoring errors during "${task.name}" ` + `task: "${reason}".`);
+        closePendingRestoreOPS();
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  getTextContent({
+    stream,
+    task,
+    resources,
+    stateManager = null,
+    normalizeWhitespace = false,
+    combineTextItems = false,
+    sink,
+    seenStyles = Object.create(null)
+  }) {
+    resources = resources || _primitives.Dict.empty;
+    stateManager = stateManager || new StateManager(new TextState());
+    var WhitespaceRegexp = /\s/g;
+    var textContent = {
+      items: [],
+      styles: Object.create(null)
+    };
+    var textContentItem = {
+      initialized: false,
+      str: [],
+      width: 0,
+      height: 0,
+      vertical: false,
+      lastAdvanceWidth: 0,
+      lastAdvanceHeight: 0,
+      textAdvanceScale: 0,
+      spaceWidth: 0,
+      fakeSpaceMin: Infinity,
+      fakeMultiSpaceMin: Infinity,
+      fakeMultiSpaceMax: -0,
+      textRunBreakAllowed: false,
+      transform: null,
+      fontName: null
+    };
+    var SPACE_FACTOR = 0.3;
+    var MULTI_SPACE_FACTOR = 1.5;
+    var MULTI_SPACE_FACTOR_MAX = 4;
+    var self = this;
+    var xref = this.xref;
+    var xobjs = null;
+    const emptyXObjectCache = new _image_utils.LocalImageCache();
+    const emptyGStateCache = new _image_utils.LocalGStateCache();
+    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+    var textState;
+
+    function ensureTextContentItem() {
+      if (textContentItem.initialized) {
+        return textContentItem;
+      }
+
+      var font = textState.font;
+
+      if (!(font.loadedName in seenStyles)) {
+        seenStyles[font.loadedName] = true;
+        textContent.styles[font.loadedName] = {
+          fontFamily: font.fallbackName,
+          ascent: font.ascent,
+          descent: font.descent,
+          vertical: font.vertical
+        };
+      }
+
+      textContentItem.fontName = font.loadedName;
+      var tsm = [textState.fontSize * textState.textHScale, 0, 0, textState.fontSize, 0, textState.textRise];
+
+      if (font.isType3Font && textState.fontSize <= 1 && !(0, _util.isArrayEqual)(textState.fontMatrix, _util.FONT_IDENTITY_MATRIX)) {
+        const glyphHeight = font.bbox[3] - font.bbox[1];
+
+        if (glyphHeight > 0) {
+          tsm[3] *= glyphHeight * textState.fontMatrix[3];
+        }
+      }
+
+      var trm = _util.Util.transform(textState.ctm, _util.Util.transform(textState.textMatrix, tsm));
+
+      textContentItem.transform = trm;
+
+      if (!font.vertical) {
+        textContentItem.width = 0;
+        textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);
+        textContentItem.vertical = false;
+      } else {
+        textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);
+        textContentItem.height = 0;
+        textContentItem.vertical = true;
+      }
+
+      var a = textState.textLineMatrix[0];
+      var b = textState.textLineMatrix[1];
+      var scaleLineX = Math.sqrt(a * a + b * b);
+      a = textState.ctm[0];
+      b = textState.ctm[1];
+      var scaleCtmX = Math.sqrt(a * a + b * b);
+      textContentItem.textAdvanceScale = scaleCtmX * scaleLineX;
+      textContentItem.lastAdvanceWidth = 0;
+      textContentItem.lastAdvanceHeight = 0;
+      var spaceWidth = font.spaceWidth / 1000 * textState.fontSize;
+
+      if (spaceWidth) {
+        textContentItem.spaceWidth = spaceWidth;
+        textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR;
+        textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR;
+        textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX;
+        textContentItem.textRunBreakAllowed = !font.isMonospace;
+      } else {
+        textContentItem.spaceWidth = 0;
+        textContentItem.fakeSpaceMin = Infinity;
+        textContentItem.fakeMultiSpaceMin = Infinity;
+        textContentItem.fakeMultiSpaceMax = 0;
+        textContentItem.textRunBreakAllowed = false;
+      }
+
+      textContentItem.initialized = true;
+      return textContentItem;
+    }
+
+    function replaceWhitespace(str) {
+      var i = 0,
+          ii = str.length,
+          code;
+
+      while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7f) {
+        i++;
+      }
+
+      return i < ii ? str.replace(WhitespaceRegexp, " ") : str;
+    }
+
+    function runBidiTransform(textChunk) {
+      var str = textChunk.str.join("");
+      var bidiResult = (0, _bidi.bidi)(str, -1, textChunk.vertical);
+      return {
+        str: normalizeWhitespace ? replaceWhitespace(bidiResult.str) : bidiResult.str,
+        dir: bidiResult.dir,
+        width: textChunk.width,
+        height: textChunk.height,
+        transform: textChunk.transform,
+        fontName: textChunk.fontName
+      };
+    }
+
+    function handleSetFont(fontName, fontRef) {
+      return self.loadFont(fontName, fontRef, resources).then(function (translated) {
+        textState.font = translated.font;
+        textState.fontMatrix = translated.font.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      });
+    }
+
+    function buildTextContentItem(chars) {
+      var font = textState.font;
+      var textChunk = ensureTextContentItem();
+      var width = 0;
+      var height = 0;
+      var glyphs = font.charsToGlyphs(chars);
+
+      for (var i = 0; i < glyphs.length; i++) {
+        var glyph = glyphs[i];
+        var glyphWidth = null;
+
+        if (font.vertical && glyph.vmetric) {
+          glyphWidth = glyph.vmetric[0];
+        } else {
+          glyphWidth = glyph.width;
+        }
+
+        var glyphUnicode = glyph.unicode;
+        var NormalizedUnicodes = (0, _unicode.getNormalizedUnicodes)();
+
+        if (NormalizedUnicodes[glyphUnicode] !== undefined) {
+          glyphUnicode = NormalizedUnicodes[glyphUnicode];
+        }
+
+        glyphUnicode = (0, _unicode.reverseIfRtl)(glyphUnicode);
+        var charSpacing = textState.charSpacing;
+
+        if (glyph.isSpace) {
+          var wordSpacing = textState.wordSpacing;
+          charSpacing += wordSpacing;
+
+          if (wordSpacing > 0) {
+            addFakeSpaces(wordSpacing, textChunk.str);
+          }
+        }
+
+        var tx = 0;
+        var ty = 0;
+
+        if (!font.vertical) {
+          var w0 = glyphWidth * textState.fontMatrix[0];
+          tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale;
+          width += tx;
+        } else {
+          var w1 = glyphWidth * textState.fontMatrix[0];
+          ty = w1 * textState.fontSize + charSpacing;
+          height += ty;
+        }
+
+        textState.translateTextMatrix(tx, ty);
+        textChunk.str.push(glyphUnicode);
+      }
+
+      if (!font.vertical) {
+        textChunk.lastAdvanceWidth = width;
+        textChunk.width += width;
+      } else {
+        textChunk.lastAdvanceHeight = height;
+        textChunk.height += Math.abs(height);
+      }
+
+      return textChunk;
+    }
+
+    function addFakeSpaces(width, strBuf) {
+      if (width < textContentItem.fakeSpaceMin) {
+        return;
+      }
+
+      if (width < textContentItem.fakeMultiSpaceMin) {
+        strBuf.push(" ");
+        return;
+      }
+
+      var fakeSpaces = Math.round(width / textContentItem.spaceWidth);
+
+      while (fakeSpaces-- > 0) {
+        strBuf.push(" ");
+      }
+    }
+
+    function flushTextContentItem() {
+      if (!textContentItem.initialized) {
+        return;
+      }
+
+      if (!textContentItem.vertical) {
+        textContentItem.width *= textContentItem.textAdvanceScale;
+      } else {
+        textContentItem.height *= textContentItem.textAdvanceScale;
+      }
+
+      textContent.items.push(runBidiTransform(textContentItem));
+      textContentItem.initialized = false;
+      textContentItem.str.length = 0;
+    }
+
+    function enqueueChunk() {
+      const length = textContent.items.length;
+
+      if (length > 0) {
+        sink.enqueue(textContent, length);
+        textContent.items = [];
+        textContent.styles = Object.create(null);
+      }
+    }
+
+    var timeSlotManager = new TimeSlotManager();
+    return new Promise(function promiseBody(resolve, reject) {
+      const next = function (promise) {
+        enqueueChunk();
+        Promise.all([promise, sink.ready]).then(function () {
+          try {
+            promiseBody(resolve, reject);
+          } catch (ex) {
+            reject(ex);
+          }
+        }, reject);
+      };
+
+      task.ensureNotTerminated();
+      timeSlotManager.reset();
+      var stop,
+          operation = {},
+          args = [];
+
+      while (!(stop = timeSlotManager.check())) {
+        args.length = 0;
+        operation.args = args;
+
+        if (!preprocessor.read(operation)) {
+          break;
+        }
+
+        textState = stateManager.state;
+        var fn = operation.fn;
+        args = operation.args;
+        var advance, diff;
+
+        switch (fn | 0) {
+          case _util.OPS.setFont:
+            var fontNameArg = args[0].name,
+                fontSizeArg = args[1];
+
+            if (textState.font && fontNameArg === textState.fontName && fontSizeArg === textState.fontSize) {
+              break;
+            }
+
+            flushTextContentItem();
+            textState.fontName = fontNameArg;
+            textState.fontSize = fontSizeArg;
+            next(handleSetFont(fontNameArg, null));
+            return;
+
+          case _util.OPS.setTextRise:
+            flushTextContentItem();
+            textState.textRise = args[0];
+            break;
+
+          case _util.OPS.setHScale:
+            flushTextContentItem();
+            textState.textHScale = args[0] / 100;
+            break;
+
+          case _util.OPS.setLeading:
+            flushTextContentItem();
+            textState.leading = args[0];
+            break;
+
+          case _util.OPS.moveText:
+            var isSameTextLine = !textState.font ? false : (textState.font.vertical ? args[0] : args[1]) === 0;
+            advance = args[0] - args[1];
+
+            if (combineTextItems && isSameTextLine && textContentItem.initialized && advance > 0 && advance <= textContentItem.fakeMultiSpaceMax) {
+              textState.translateTextLineMatrix(args[0], args[1]);
+              textContentItem.width += args[0] - textContentItem.lastAdvanceWidth;
+              textContentItem.height += args[1] - textContentItem.lastAdvanceHeight;
+              diff = args[0] - textContentItem.lastAdvanceWidth - (args[1] - textContentItem.lastAdvanceHeight);
+              addFakeSpaces(diff, textContentItem.str);
+              break;
+            }
+
+            flushTextContentItem();
+            textState.translateTextLineMatrix(args[0], args[1]);
+            textState.textMatrix = textState.textLineMatrix.slice();
+            break;
+
+          case _util.OPS.setLeadingMoveText:
+            flushTextContentItem();
+            textState.leading = -args[1];
+            textState.translateTextLineMatrix(args[0], args[1]);
+            textState.textMatrix = textState.textLineMatrix.slice();
+            break;
+
+          case _util.OPS.nextLine:
+            flushTextContentItem();
+            textState.carriageReturn();
+            break;
+
+          case _util.OPS.setTextMatrix:
+            advance = textState.calcTextLineMatrixAdvance(args[0], args[1], args[2], args[3], args[4], args[5]);
+
+            if (combineTextItems && advance !== null && textContentItem.initialized && advance.value > 0 && advance.value <= textContentItem.fakeMultiSpaceMax) {
+              textState.translateTextLineMatrix(advance.width, advance.height);
+              textContentItem.width += advance.width - textContentItem.lastAdvanceWidth;
+              textContentItem.height += advance.height - textContentItem.lastAdvanceHeight;
+              diff = advance.width - textContentItem.lastAdvanceWidth - (advance.height - textContentItem.lastAdvanceHeight);
+              addFakeSpaces(diff, textContentItem.str);
+              break;
+            }
+
+            flushTextContentItem();
+            textState.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            textState.setTextLineMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.setCharSpacing:
+            textState.charSpacing = args[0];
+            break;
+
+          case _util.OPS.setWordSpacing:
+            textState.wordSpacing = args[0];
+            break;
+
+          case _util.OPS.beginText:
+            flushTextContentItem();
+            textState.textMatrix = _util.IDENTITY_MATRIX.slice();
+            textState.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+            break;
+
+          case _util.OPS.showSpacedText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            var items = args[0];
+            var offset;
+
+            for (var j = 0, jj = items.length; j < jj; j++) {
+              if (typeof items[j] === "string") {
+                buildTextContentItem(items[j]);
+              } else if ((0, _util.isNum)(items[j])) {
+                ensureTextContentItem();
+                advance = items[j] * textState.fontSize / 1000;
+                var breakTextRun = false;
+
+                if (textState.font.vertical) {
+                  offset = advance;
+                  textState.translateTextMatrix(0, offset);
+                  breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                  if (!breakTextRun) {
+                    textContentItem.height += offset;
+                  }
+                } else {
+                  advance = -advance;
+                  offset = advance * textState.textHScale;
+                  textState.translateTextMatrix(offset, 0);
+                  breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                  if (!breakTextRun) {
+                    textContentItem.width += offset;
+                  }
+                }
+
+                if (breakTextRun) {
+                  flushTextContentItem();
+                } else if (advance > 0) {
+                  addFakeSpaces(advance, textContentItem.str);
+                }
+              }
+            }
+
+            break;
+
+          case _util.OPS.showText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            buildTextContentItem(args[0]);
+            break;
+
+          case _util.OPS.nextLineShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            flushTextContentItem();
+            textState.carriageReturn();
+            buildTextContentItem(args[0]);
+            break;
+
+          case _util.OPS.nextLineSetSpacingShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            flushTextContentItem();
+            textState.wordSpacing = args[0];
+            textState.charSpacing = args[1];
+            textState.carriageReturn();
+            buildTextContentItem(args[2]);
+            break;
+
+          case _util.OPS.paintXObject:
+            flushTextContentItem();
+
+            if (!xobjs) {
+              xobjs = resources.get("XObject") || _primitives.Dict.empty;
+            }
+
+            var name = args[0].name;
+
+            if (name && emptyXObjectCache.getByName(name)) {
+              break;
+            }
+
+            next(new Promise(function (resolveXObject, rejectXObject) {
+              if (!name) {
+                throw new _util.FormatError("XObject must be referred to by name.");
+              }
+
+              let xobj = xobjs.getRaw(name);
+
+              if (xobj instanceof _primitives.Ref) {
+                if (emptyXObjectCache.getByRef(xobj)) {
+                  resolveXObject();
+                  return;
+                }
+
+                xobj = xref.fetch(xobj);
+              }
+
+              if (!(0, _primitives.isStream)(xobj)) {
+                throw new _util.FormatError("XObject should be a stream");
+              }
+
+              const type = xobj.dict.get("Subtype");
+
+              if (!(0, _primitives.isName)(type)) {
+                throw new _util.FormatError("XObject should have a Name subtype");
+              }
+
+              if (type.name !== "Form") {
+                emptyXObjectCache.set(name, xobj.dict.objId, true);
+                resolveXObject();
+                return;
+              }
+
+              const currentState = stateManager.state.clone();
+              const xObjStateManager = new StateManager(currentState);
+              const matrix = xobj.dict.getArray("Matrix");
+
+              if (Array.isArray(matrix) && matrix.length === 6) {
+                xObjStateManager.transform(matrix);
+              }
+
+              enqueueChunk();
+              const sinkWrapper = {
+                enqueueInvoked: false,
+
+                enqueue(chunk, size) {
+                  this.enqueueInvoked = true;
+                  sink.enqueue(chunk, size);
+                },
+
+                get desiredSize() {
+                  return sink.desiredSize;
+                },
+
+                get ready() {
+                  return sink.ready;
+                }
+
+              };
+              self.getTextContent({
+                stream: xobj,
+                task,
+                resources: xobj.dict.get("Resources") || resources,
+                stateManager: xObjStateManager,
+                normalizeWhitespace,
+                combineTextItems,
+                sink: sinkWrapper,
+                seenStyles
+              }).then(function () {
+                if (!sinkWrapper.enqueueInvoked) {
+                  emptyXObjectCache.set(name, xobj.dict.objId, true);
+                }
+
+                resolveXObject();
+              }, rejectXObject);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                (0, _util.warn)(`getTextContent - ignoring XObject: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.setGState:
+            name = args[0].name;
+
+            if (name && emptyGStateCache.getByName(name)) {
+              break;
+            }
+
+            next(new Promise(function (resolveGState, rejectGState) {
+              if (!name) {
+                throw new _util.FormatError("GState must be referred to by name.");
+              }
+
+              const extGState = resources.get("ExtGState");
+
+              if (!(extGState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("ExtGState should be a dictionary.");
+              }
+
+              const gState = extGState.get(name);
+
+              if (!(gState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("GState should be a dictionary.");
+              }
+
+              const gStateFont = gState.get("Font");
+
+              if (!gStateFont) {
+                emptyGStateCache.set(name, gState.objId, true);
+                resolveGState();
+                return;
+              }
+
+              flushTextContentItem();
+              textState.fontName = null;
+              textState.fontSize = gStateFont[1];
+              handleSetFont(null, gStateFont[0]).then(resolveGState, rejectGState);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                (0, _util.warn)(`getTextContent - ignoring ExtGState: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+        }
+
+        if (textContent.items.length >= sink.desiredSize) {
+          stop = true;
+          break;
+        }
+      }
+
+      if (stop) {
+        next(deferred);
+        return;
+      }
+
+      flushTextContentItem();
+      enqueueChunk();
+      resolve();
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        (0, _util.warn)(`getTextContent - ignoring errors during "${task.name}" ` + `task: "${reason}".`);
+        flushTextContentItem();
+        enqueueChunk();
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  extractDataStructures(dict, baseDict, properties) {
+    const xref = this.xref;
+    let cidToGidBytes;
+    var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+    var toUnicodePromise = toUnicode ? this.readToUnicode(toUnicode) : Promise.resolve(undefined);
+
+    if (properties.composite) {
+      var cidSystemInfo = dict.get("CIDSystemInfo");
+
+      if ((0, _primitives.isDict)(cidSystemInfo)) {
+        properties.cidSystemInfo = {
+          registry: (0, _util.stringToPDFString)(cidSystemInfo.get("Registry")),
+          ordering: (0, _util.stringToPDFString)(cidSystemInfo.get("Ordering")),
+          supplement: cidSystemInfo.get("Supplement")
+        };
+      }
+
+      var cidToGidMap = dict.get("CIDToGIDMap");
+
+      if ((0, _primitives.isStream)(cidToGidMap)) {
+        cidToGidBytes = cidToGidMap.getBytes();
+      }
+    }
+
+    var differences = [];
+    var baseEncodingName = null;
+    var encoding;
+
+    if (dict.has("Encoding")) {
+      encoding = dict.get("Encoding");
+
+      if ((0, _primitives.isDict)(encoding)) {
+        baseEncodingName = encoding.get("BaseEncoding");
+        baseEncodingName = (0, _primitives.isName)(baseEncodingName) ? baseEncodingName.name : null;
+
+        if (encoding.has("Differences")) {
+          var diffEncoding = encoding.get("Differences");
+          var index = 0;
+
+          for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
+            var data = xref.fetchIfRef(diffEncoding[j]);
+
+            if ((0, _util.isNum)(data)) {
+              index = data;
+            } else if ((0, _primitives.isName)(data)) {
+              differences[index++] = data.name;
+            } else {
+              throw new _util.FormatError(`Invalid entry in 'Differences' array: ${data}`);
+            }
+          }
+        }
+      } else if ((0, _primitives.isName)(encoding)) {
+        baseEncodingName = encoding.name;
+      } else {
+        throw new _util.FormatError("Encoding is not a Name nor a Dict");
+      }
+
+      if (baseEncodingName !== "MacRomanEncoding" && baseEncodingName !== "MacExpertEncoding" && baseEncodingName !== "WinAnsiEncoding") {
+        baseEncodingName = null;
+      }
+    }
+
+    if (baseEncodingName) {
+      properties.defaultEncoding = (0, _encodings.getEncoding)(baseEncodingName).slice();
+    } else {
+      var isSymbolicFont = !!(properties.flags & _fonts.FontFlags.Symbolic);
+      var isNonsymbolicFont = !!(properties.flags & _fonts.FontFlags.Nonsymbolic);
+      encoding = _encodings.StandardEncoding;
+
+      if (properties.type === "TrueType" && !isNonsymbolicFont) {
+        encoding = _encodings.WinAnsiEncoding;
+      }
+
+      if (isSymbolicFont) {
+        encoding = _encodings.MacRomanEncoding;
+
+        if (!properties.file) {
+          if (/Symbol/i.test(properties.name)) {
+            encoding = _encodings.SymbolSetEncoding;
+          } else if (/Dingbats|Wingdings/i.test(properties.name)) {
+            encoding = _encodings.ZapfDingbatsEncoding;
+          }
+        }
+      }
+
+      properties.defaultEncoding = encoding;
+    }
+
+    properties.differences = differences;
+    properties.baseEncodingName = baseEncodingName;
+    properties.hasEncoding = !!baseEncodingName || differences.length > 0;
+    properties.dict = dict;
+    return toUnicodePromise.then(readToUnicode => {
+      properties.toUnicode = readToUnicode;
+      return this.buildToUnicode(properties);
+    }).then(builtToUnicode => {
+      properties.toUnicode = builtToUnicode;
+
+      if (cidToGidBytes) {
+        properties.cidToGidMap = this.readCidToGidMap(cidToGidBytes, builtToUnicode);
+      }
+
+      return properties;
+    });
+  }
+
+  _buildSimpleFontToUnicode(properties, forceGlyphs = false) {
+    (0, _util.assert)(!properties.composite, "Must be a simple font.");
+    const toUnicode = [];
+    const encoding = properties.defaultEncoding.slice();
+    const baseEncodingName = properties.baseEncodingName;
+    const differences = properties.differences;
+
+    for (const charcode in differences) {
+      const glyphName = differences[charcode];
+
+      if (glyphName === ".notdef") {
+        continue;
+      }
+
+      encoding[charcode] = glyphName;
+    }
+
+    const glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+    for (const charcode in encoding) {
+      let glyphName = encoding[charcode];
+
+      if (glyphName === "") {
+        continue;
+      } else if (glyphsUnicodeMap[glyphName] === undefined) {
+        let code = 0;
+
+        switch (glyphName[0]) {
+          case "G":
+            if (glyphName.length === 3) {
+              code = parseInt(glyphName.substring(1), 16);
+            }
+
+            break;
+
+          case "g":
+            if (glyphName.length === 5) {
+              code = parseInt(glyphName.substring(1), 16);
+            }
+
+            break;
+
+          case "C":
+          case "c":
+            if (glyphName.length >= 3 && glyphName.length <= 4) {
+              const codeStr = glyphName.substring(1);
+
+              if (forceGlyphs) {
+                code = parseInt(codeStr, 16);
+                break;
+              }
+
+              code = +codeStr;
+
+              if (Number.isNaN(code) && Number.isInteger(parseInt(codeStr, 16))) {
+                return this._buildSimpleFontToUnicode(properties, true);
+              }
+            }
+
+            break;
+
+          default:
+            const unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+            if (unicode !== -1) {
+              code = unicode;
+            }
+
+        }
+
+        if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {
+          if (baseEncodingName && code === +charcode) {
+            const baseEncoding = (0, _encodings.getEncoding)(baseEncodingName);
+
+            if (baseEncoding && (glyphName = baseEncoding[charcode])) {
+              toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);
+              continue;
+            }
+          }
+
+          toUnicode[charcode] = String.fromCodePoint(code);
+        }
+
+        continue;
+      }
+
+      toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);
+    }
+
+    return new _fonts.ToUnicodeMap(toUnicode);
+  }
+
+  buildToUnicode(properties) {
+    properties.hasIncludedToUnicodeMap = !!properties.toUnicode && properties.toUnicode.length > 0;
+
+    if (properties.hasIncludedToUnicodeMap) {
+      if (!properties.composite && properties.hasEncoding) {
+        properties.fallbackToUnicode = this._buildSimpleFontToUnicode(properties);
+      }
+
+      return Promise.resolve(properties.toUnicode);
+    }
+
+    if (!properties.composite) {
+      return Promise.resolve(this._buildSimpleFontToUnicode(properties));
+    }
+
+    if (properties.composite && (properties.cMap.builtInCMap && !(properties.cMap instanceof _cmap.IdentityCMap) || properties.cidSystemInfo.registry === "Adobe" && (properties.cidSystemInfo.ordering === "GB1" || properties.cidSystemInfo.ordering === "CNS1" || properties.cidSystemInfo.ordering === "Japan1" || properties.cidSystemInfo.ordering === "Korea1"))) {
+      const registry = properties.cidSystemInfo.registry;
+      const ordering = properties.cidSystemInfo.ordering;
+
+      const ucs2CMapName = _primitives.Name.get(registry + "-" + ordering + "-UCS2");
+
+      return _cmap.CMapFactory.create({
+        encoding: ucs2CMapName,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (ucs2CMap) {
+        const cMap = properties.cMap;
+        const toUnicode = [];
+        cMap.forEach(function (charcode, cid) {
+          if (cid > 0xffff) {
+            throw new _util.FormatError("Max size of CID is 65,535");
+          }
+
+          const ucs2 = ucs2CMap.lookup(cid);
+
+          if (ucs2) {
+            toUnicode[charcode] = String.fromCharCode((ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1));
+          }
+        });
+        return new _fonts.ToUnicodeMap(toUnicode);
+      });
+    }
+
+    return Promise.resolve(new _fonts.IdentityToUnicodeMap(properties.firstChar, properties.lastChar));
+  }
+
+  readToUnicode(toUnicode) {
+    var cmapObj = toUnicode;
+
+    if ((0, _primitives.isName)(cmapObj)) {
+      return _cmap.CMapFactory.create({
+        encoding: cmapObj,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cmap) {
+        if (cmap instanceof _cmap.IdentityCMap) {
+          return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+        }
+
+        return new _fonts.ToUnicodeMap(cmap.getMap());
+      });
+    } else if ((0, _primitives.isStream)(cmapObj)) {
+      return _cmap.CMapFactory.create({
+        encoding: cmapObj,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cmap) {
+        if (cmap instanceof _cmap.IdentityCMap) {
+          return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+        }
+
+        var map = new Array(cmap.length);
+        cmap.forEach(function (charCode, token) {
+          var str = [];
+
+          for (var k = 0; k < token.length; k += 2) {
+            var w1 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+
+            if ((w1 & 0xf800) !== 0xd800) {
+              str.push(w1);
+              continue;
+            }
+
+            k += 2;
+            var w2 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+            str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);
+          }
+
+          map[charCode] = String.fromCodePoint.apply(String, str);
+        });
+        return new _fonts.ToUnicodeMap(map);
+      }, reason => {
+        if (reason instanceof _util.AbortException) {
+          return null;
+        }
+
+        if (this.options.ignoreErrors) {
+          this.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontToUnicode
+          });
+          (0, _util.warn)(`readToUnicode - ignoring ToUnicode data: "${reason}".`);
+          return null;
+        }
+
+        throw reason;
+      });
+    }
+
+    return Promise.resolve(null);
+  }
+
+  readCidToGidMap(glyphsData, toUnicode) {
+    var result = [];
+
+    for (var j = 0, jj = glyphsData.length; j < jj; j++) {
+      var glyphID = glyphsData[j++] << 8 | glyphsData[j];
+      const code = j >> 1;
+
+      if (glyphID === 0 && !toUnicode.has(code)) {
+        continue;
+      }
+
+      result[code] = glyphID;
+    }
+
+    return result;
+  }
+
+  extractWidths(dict, descriptor, properties) {
+    var xref = this.xref;
+    var glyphsWidths = [];
+    var defaultWidth = 0;
+    var glyphsVMetrics = [];
+    var defaultVMetrics;
+    var i, ii, j, jj, start, code, widths;
+
+    if (properties.composite) {
+      defaultWidth = dict.has("DW") ? dict.get("DW") : 1000;
+      widths = dict.get("W");
+
+      if (widths) {
+        for (i = 0, ii = widths.length; i < ii; i++) {
+          start = xref.fetchIfRef(widths[i++]);
+          code = xref.fetchIfRef(widths[i]);
+
+          if (Array.isArray(code)) {
+            for (j = 0, jj = code.length; j < jj; j++) {
+              glyphsWidths[start++] = xref.fetchIfRef(code[j]);
+            }
+          } else {
+            var width = xref.fetchIfRef(widths[++i]);
+
+            for (j = start; j <= code; j++) {
+              glyphsWidths[j] = width;
+            }
+          }
+        }
+      }
+
+      if (properties.vertical) {
+        var vmetrics = dict.getArray("DW2") || [880, -1000];
+        defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];
+        vmetrics = dict.get("W2");
+
+        if (vmetrics) {
+          for (i = 0, ii = vmetrics.length; i < ii; i++) {
+            start = xref.fetchIfRef(vmetrics[i++]);
+            code = xref.fetchIfRef(vmetrics[i]);
+
+            if (Array.isArray(code)) {
+              for (j = 0, jj = code.length; j < jj; j++) {
+                glyphsVMetrics[start++] = [xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j])];
+              }
+            } else {
+              var vmetric = [xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i])];
+
+              for (j = start; j <= code; j++) {
+                glyphsVMetrics[j] = vmetric;
+              }
+            }
+          }
+        }
+      }
+    } else {
+      var firstChar = properties.firstChar;
+      widths = dict.get("Widths");
+
+      if (widths) {
+        j = firstChar;
+
+        for (i = 0, ii = widths.length; i < ii; i++) {
+          glyphsWidths[j++] = xref.fetchIfRef(widths[i]);
+        }
+
+        defaultWidth = parseFloat(descriptor.get("MissingWidth")) || 0;
+      } else {
+        var baseFontName = dict.get("BaseFont");
+
+        if ((0, _primitives.isName)(baseFontName)) {
+          var metrics = this.getBaseFontMetrics(baseFontName.name);
+          glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties);
+          defaultWidth = metrics.defaultWidth;
+        }
+      }
+    }
+
+    var isMonospace = true;
+    var firstWidth = defaultWidth;
+
+    for (var glyph in glyphsWidths) {
+      var glyphWidth = glyphsWidths[glyph];
+
+      if (!glyphWidth) {
+        continue;
+      }
+
+      if (!firstWidth) {
+        firstWidth = glyphWidth;
+        continue;
+      }
+
+      if (firstWidth !== glyphWidth) {
+        isMonospace = false;
+        break;
+      }
+    }
+
+    if (isMonospace) {
+      properties.flags |= _fonts.FontFlags.FixedPitch;
+    }
+
+    properties.defaultWidth = defaultWidth;
+    properties.widths = glyphsWidths;
+    properties.defaultVMetrics = defaultVMetrics;
+    properties.vmetrics = glyphsVMetrics;
+  }
+
+  isSerifFont(baseFontName) {
+    var fontNameWoStyle = baseFontName.split("-")[0];
+    return fontNameWoStyle in (0, _standard_fonts.getSerifFonts)() || fontNameWoStyle.search(/serif/gi) !== -1;
+  }
+
+  getBaseFontMetrics(name) {
+    var defaultWidth = 0;
+    var widths = [];
+    var monospace = false;
+    var stdFontMap = (0, _standard_fonts.getStdFontMap)();
+    var lookupName = stdFontMap[name] || name;
+    var Metrics = (0, _metrics.getMetrics)();
+
+    if (!(lookupName in Metrics)) {
+      if (this.isSerifFont(name)) {
+        lookupName = "Times-Roman";
+      } else {
+        lookupName = "Helvetica";
+      }
+    }
+
+    var glyphWidths = Metrics[lookupName];
+
+    if ((0, _util.isNum)(glyphWidths)) {
+      defaultWidth = glyphWidths;
+      monospace = true;
+    } else {
+      widths = glyphWidths();
+    }
+
+    return {
+      defaultWidth,
+      monospace,
+      widths
+    };
+  }
+
+  buildCharCodeToWidth(widthsByGlyphName, properties) {
+    var widths = Object.create(null);
+    var differences = properties.differences;
+    var encoding = properties.defaultEncoding;
+
+    for (var charCode = 0; charCode < 256; charCode++) {
+      if (charCode in differences && widthsByGlyphName[differences[charCode]]) {
+        widths[charCode] = widthsByGlyphName[differences[charCode]];
+        continue;
+      }
+
+      if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {
+        widths[charCode] = widthsByGlyphName[encoding[charCode]];
+        continue;
+      }
+    }
+
+    return widths;
+  }
+
+  preEvaluateFont(dict) {
+    var baseDict = dict;
+    var type = dict.get("Subtype");
+
+    if (!(0, _primitives.isName)(type)) {
+      throw new _util.FormatError("invalid font Subtype");
+    }
+
+    var composite = false;
+    var uint8array;
+
+    if (type.name === "Type0") {
+      var df = dict.get("DescendantFonts");
+
+      if (!df) {
+        throw new _util.FormatError("Descendant fonts are not specified");
+      }
+
+      dict = Array.isArray(df) ? this.xref.fetchIfRef(df[0]) : df;
+      type = dict.get("Subtype");
+
+      if (!(0, _primitives.isName)(type)) {
+        throw new _util.FormatError("invalid font Subtype");
+      }
+
+      composite = true;
+    }
+
+    var descriptor = dict.get("FontDescriptor");
+
+    if (descriptor) {
+      var hash = new _murmurhash.MurmurHash3_64();
+      var encoding = baseDict.getRaw("Encoding");
+
+      if ((0, _primitives.isName)(encoding)) {
+        hash.update(encoding.name);
+      } else if ((0, _primitives.isRef)(encoding)) {
+        hash.update(encoding.toString());
+      } else if ((0, _primitives.isDict)(encoding)) {
+        for (const entry of encoding.getRawValues()) {
+          if ((0, _primitives.isName)(entry)) {
+            hash.update(entry.name);
+          } else if ((0, _primitives.isRef)(entry)) {
+            hash.update(entry.toString());
+          } else if (Array.isArray(entry)) {
+            var diffLength = entry.length,
+                diffBuf = new Array(diffLength);
+
+            for (var j = 0; j < diffLength; j++) {
+              var diffEntry = entry[j];
+
+              if ((0, _primitives.isName)(diffEntry)) {
+                diffBuf[j] = diffEntry.name;
+              } else if ((0, _util.isNum)(diffEntry) || (0, _primitives.isRef)(diffEntry)) {
+                diffBuf[j] = diffEntry.toString();
+              }
+            }
+
+            hash.update(diffBuf.join());
+          }
+        }
+      }
+
+      const firstChar = dict.get("FirstChar") || 0;
+      const lastChar = dict.get("LastChar") || (composite ? 0xffff : 0xff);
+      hash.update(`${firstChar}-${lastChar}`);
+      var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+
+      if ((0, _primitives.isStream)(toUnicode)) {
+        var stream = toUnicode.str || toUnicode;
+        uint8array = stream.buffer ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : new Uint8Array(stream.bytes.buffer, stream.start, stream.end - stream.start);
+        hash.update(uint8array);
+      } else if ((0, _primitives.isName)(toUnicode)) {
+        hash.update(toUnicode.name);
+      }
+
+      var widths = dict.get("Widths") || baseDict.get("Widths");
+
+      if (widths) {
+        uint8array = new Uint8Array(new Uint32Array(widths).buffer);
+        hash.update(uint8array);
+      }
+    }
+
+    return {
+      descriptor,
+      dict,
+      baseDict,
+      composite,
+      type: type.name,
+      hash: hash ? hash.hexdigest() : ""
+    };
+  }
+
+  translateFont(preEvaluatedFont) {
+    var baseDict = preEvaluatedFont.baseDict;
+    var dict = preEvaluatedFont.dict;
+    var composite = preEvaluatedFont.composite;
+    var descriptor = preEvaluatedFont.descriptor;
+    var type = preEvaluatedFont.type;
+    var maxCharIndex = composite ? 0xffff : 0xff;
+    var properties;
+    const firstChar = dict.get("FirstChar") || 0;
+    const lastChar = dict.get("LastChar") || maxCharIndex;
+
+    if (!descriptor) {
+      if (type === "Type3") {
+        descriptor = new _primitives.Dict(null);
+        descriptor.set("FontName", _primitives.Name.get(type));
+        descriptor.set("FontBBox", dict.getArray("FontBBox") || [0, 0, 0, 0]);
+      } else {
+        var baseFontName = dict.get("BaseFont");
+
+        if (!(0, _primitives.isName)(baseFontName)) {
+          throw new _util.FormatError("Base font is not specified");
+        }
+
+        baseFontName = baseFontName.name.replace(/[,_]/g, "-");
+        var metrics = this.getBaseFontMetrics(baseFontName);
+        var fontNameWoStyle = baseFontName.split("-")[0];
+        var flags = (this.isSerifFont(fontNameWoStyle) ? _fonts.FontFlags.Serif : 0) | (metrics.monospace ? _fonts.FontFlags.FixedPitch : 0) | ((0, _standard_fonts.getSymbolsFonts)()[fontNameWoStyle] ? _fonts.FontFlags.Symbolic : _fonts.FontFlags.Nonsymbolic);
+        properties = {
+          type,
+          name: baseFontName,
+          widths: metrics.widths,
+          defaultWidth: metrics.defaultWidth,
+          flags,
+          firstChar,
+          lastChar
+        };
+        const widths = dict.get("Widths");
+        return this.extractDataStructures(dict, dict, properties).then(newProperties => {
+          if (widths) {
+            const glyphWidths = [];
+            let j = firstChar;
+
+            for (let i = 0, ii = widths.length; i < ii; i++) {
+              glyphWidths[j++] = this.xref.fetchIfRef(widths[i]);
+            }
+
+            newProperties.widths = glyphWidths;
+          } else {
+            newProperties.widths = this.buildCharCodeToWidth(metrics.widths, newProperties);
+          }
+
+          return new _fonts.Font(baseFontName, null, newProperties);
+        });
+      }
+    }
+
+    var fontName = descriptor.get("FontName");
+    var baseFont = dict.get("BaseFont");
+
+    if ((0, _util.isString)(fontName)) {
+      fontName = _primitives.Name.get(fontName);
+    }
+
+    if ((0, _util.isString)(baseFont)) {
+      baseFont = _primitives.Name.get(baseFont);
+    }
+
+    if (type !== "Type3") {
+      var fontNameStr = fontName && fontName.name;
+      var baseFontStr = baseFont && baseFont.name;
+
+      if (fontNameStr !== baseFontStr) {
+        (0, _util.info)(`The FontDescriptor\'s FontName is "${fontNameStr}" but ` + `should be the same as the Font\'s BaseFont "${baseFontStr}".`);
+
+        if (fontNameStr && baseFontStr && baseFontStr.startsWith(fontNameStr)) {
+          fontName = baseFont;
+        }
+      }
+    }
+
+    fontName = fontName || baseFont;
+
+    if (!(0, _primitives.isName)(fontName)) {
+      throw new _util.FormatError("invalid font name");
+    }
+
+    var fontFile = descriptor.get("FontFile", "FontFile2", "FontFile3");
+
+    if (fontFile) {
+      if (fontFile.dict) {
+        var subtype = fontFile.dict.get("Subtype");
+
+        if (subtype) {
+          subtype = subtype.name;
+        }
+
+        var length1 = fontFile.dict.get("Length1");
+        var length2 = fontFile.dict.get("Length2");
+        var length3 = fontFile.dict.get("Length3");
+      }
+    }
+
+    properties = {
+      type,
+      name: fontName.name,
+      subtype,
+      file: fontFile,
+      length1,
+      length2,
+      length3,
+      loadedName: baseDict.loadedName,
+      composite,
+      fixedPitch: false,
+      fontMatrix: dict.getArray("FontMatrix") || _util.FONT_IDENTITY_MATRIX,
+      firstChar: firstChar || 0,
+      lastChar: lastChar || maxCharIndex,
+      bbox: descriptor.getArray("FontBBox"),
+      ascent: descriptor.get("Ascent"),
+      descent: descriptor.get("Descent"),
+      xHeight: descriptor.get("XHeight"),
+      capHeight: descriptor.get("CapHeight"),
+      flags: descriptor.get("Flags"),
+      italicAngle: descriptor.get("ItalicAngle"),
+      isType3Font: false
+    };
+    var cMapPromise;
+
+    if (composite) {
+      var cidEncoding = baseDict.get("Encoding");
+
+      if ((0, _primitives.isName)(cidEncoding)) {
+        properties.cidEncoding = cidEncoding.name;
+      }
+
+      cMapPromise = _cmap.CMapFactory.create({
+        encoding: cidEncoding,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cMap) {
+        properties.cMap = cMap;
+        properties.vertical = properties.cMap.vertical;
+      });
+    } else {
+      cMapPromise = Promise.resolve(undefined);
+    }
+
+    return cMapPromise.then(() => {
+      return this.extractDataStructures(dict, baseDict, properties);
+    }).then(newProperties => {
+      this.extractWidths(dict, descriptor, newProperties);
+
+      if (type === "Type3") {
+        newProperties.isType3Font = true;
+      }
+
+      return new _fonts.Font(fontName.name, fontFile, newProperties);
+    });
+  }
+
+  static buildFontPaths(font, glyphs, handler) {
+    function buildPath(fontChar) {
+      if (font.renderer.hasBuiltPath(fontChar)) {
+        return;
+      }
+
+      handler.send("commonobj", [`${font.loadedName}_path_${fontChar}`, "FontPath", font.renderer.getPathJs(fontChar)]);
+    }
+
+    for (const glyph of glyphs) {
+      buildPath(glyph.fontChar);
+      const accent = glyph.accent;
+
+      if (accent && accent.fontChar) {
+        buildPath(accent.fontChar);
+      }
+    }
+  }
+
+  static get fallbackFontDict() {
+    const dict = new _primitives.Dict();
+    dict.set("BaseFont", _primitives.Name.get("PDFJS-FallbackFont"));
+    dict.set("Type", _primitives.Name.get("FallbackType"));
+    dict.set("Subtype", _primitives.Name.get("FallbackType"));
+    dict.set("Encoding", _primitives.Name.get("WinAnsiEncoding"));
+    return (0, _util.shadow)(this, "fallbackFontDict", dict);
+  }
+
+}
+
+exports.PartialEvaluator = PartialEvaluator;
+
+class TranslatedFont {
+  constructor({
+    loadedName,
+    font,
+    dict,
+    extraProperties = false
+  }) {
+    this.loadedName = loadedName;
+    this.font = font;
+    this.dict = dict;
+    this._extraProperties = extraProperties;
+    this.type3Loaded = null;
+    this.type3Dependencies = font.isType3Font ? new Set() : null;
+    this.sent = false;
+  }
+
+  send(handler) {
+    if (this.sent) {
+      return;
+    }
+
+    this.sent = true;
+    handler.send("commonobj", [this.loadedName, "Font", this.font.exportData(this._extraProperties)]);
+  }
+
+  fallback(handler) {
+    if (!this.font.data) {
+      return;
+    }
+
+    this.font.disableFontFace = true;
+    const glyphs = this.font.glyphCacheValues;
+    PartialEvaluator.buildFontPaths(this.font, glyphs, handler);
+  }
+
+  loadType3Data(evaluator, resources, task) {
+    if (this.type3Loaded) {
+      return this.type3Loaded;
+    }
+
+    if (!this.font.isType3Font) {
+      throw new Error("Must be a Type3 font.");
+    }
+
+    var type3Options = Object.create(evaluator.options);
+    type3Options.ignoreErrors = false;
+    var type3Evaluator = evaluator.clone(type3Options);
+    type3Evaluator.parsingType3Font = true;
+    const translatedFont = this.font,
+          type3Dependencies = this.type3Dependencies;
+    var loadCharProcsPromise = Promise.resolve();
+    var charProcs = this.dict.get("CharProcs");
+    var fontResources = this.dict.get("Resources") || resources;
+    var charProcOperatorList = Object.create(null);
+
+    for (const key of charProcs.getKeys()) {
+      loadCharProcsPromise = loadCharProcsPromise.then(function () {
+        var glyphStream = charProcs.get(key);
+        var operatorList = new _operator_list.OperatorList();
+        return type3Evaluator.getOperatorList({
+          stream: glyphStream,
+          task,
+          resources: fontResources,
+          operatorList
+        }).then(function () {
+          charProcOperatorList[key] = operatorList.getIR();
+
+          for (const dependency of operatorList.dependencies) {
+            type3Dependencies.add(dependency);
+          }
+        }).catch(function (reason) {
+          (0, _util.warn)(`Type3 font resource "${key}" is not available.`);
+          const dummyOperatorList = new _operator_list.OperatorList();
+          charProcOperatorList[key] = dummyOperatorList.getIR();
+        });
+      });
+    }
+
+    this.type3Loaded = loadCharProcsPromise.then(function () {
+      translatedFont.charProcOperatorList = charProcOperatorList;
+    });
+    return this.type3Loaded;
+  }
+
+}
+
+class StateManager {
+  constructor(initialState) {
+    this.state = initialState;
+    this.stateStack = [];
+  }
+
+  save() {
+    var old = this.state;
+    this.stateStack.push(this.state);
+    this.state = old.clone();
+  }
+
+  restore() {
+    var prev = this.stateStack.pop();
+
+    if (prev) {
+      this.state = prev;
+    }
+  }
+
+  transform(args) {
+    this.state.ctm = _util.Util.transform(this.state.ctm, args);
+  }
+
+}
+
+class TextState {
+  constructor() {
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.fontName = null;
+    this.fontSize = 0;
+    this.font = null;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.textMatrix = _util.IDENTITY_MATRIX.slice();
+    this.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.leading = 0;
+    this.textHScale = 1;
+    this.textRise = 0;
+  }
+
+  setTextMatrix(a, b, c, d, e, f) {
+    var m = this.textMatrix;
+    m[0] = a;
+    m[1] = b;
+    m[2] = c;
+    m[3] = d;
+    m[4] = e;
+    m[5] = f;
+  }
+
+  setTextLineMatrix(a, b, c, d, e, f) {
+    var m = this.textLineMatrix;
+    m[0] = a;
+    m[1] = b;
+    m[2] = c;
+    m[3] = d;
+    m[4] = e;
+    m[5] = f;
+  }
+
+  translateTextMatrix(x, y) {
+    var m = this.textMatrix;
+    m[4] = m[0] * x + m[2] * y + m[4];
+    m[5] = m[1] * x + m[3] * y + m[5];
+  }
+
+  translateTextLineMatrix(x, y) {
+    var m = this.textLineMatrix;
+    m[4] = m[0] * x + m[2] * y + m[4];
+    m[5] = m[1] * x + m[3] * y + m[5];
+  }
+
+  calcTextLineMatrixAdvance(a, b, c, d, e, f) {
+    var font = this.font;
+
+    if (!font) {
+      return null;
+    }
+
+    var m = this.textLineMatrix;
+
+    if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) {
+      return null;
+    }
+
+    var txDiff = e - m[4],
+        tyDiff = f - m[5];
+
+    if (font.vertical && txDiff !== 0 || !font.vertical && tyDiff !== 0) {
+      return null;
+    }
+
+    var tx,
+        ty,
+        denominator = a * d - b * c;
+
+    if (font.vertical) {
+      tx = -tyDiff * c / denominator;
+      ty = tyDiff * a / denominator;
+    } else {
+      tx = txDiff * d / denominator;
+      ty = -txDiff * b / denominator;
+    }
+
+    return {
+      width: tx,
+      height: ty,
+      value: font.vertical ? ty : tx
+    };
+  }
+
+  calcRenderMatrix(ctm) {
+    var tsm = [this.fontSize * this.textHScale, 0, 0, this.fontSize, 0, this.textRise];
+    return _util.Util.transform(ctm, _util.Util.transform(this.textMatrix, tsm));
+  }
+
+  carriageReturn() {
+    this.translateTextLineMatrix(0, -this.leading);
+    this.textMatrix = this.textLineMatrix.slice();
+  }
+
+  clone() {
+    var clone = Object.create(this);
+    clone.textMatrix = this.textMatrix.slice();
+    clone.textLineMatrix = this.textLineMatrix.slice();
+    clone.fontMatrix = this.fontMatrix.slice();
+    return clone;
+  }
+
+}
+
+class EvalState {
+  constructor() {
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.font = null;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+    this.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+  }
+
+  clone() {
+    return Object.create(this);
+  }
+
+}
+
+class EvaluatorPreprocessor {
+  static get opMap() {
+    const getOPMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+      t.w = {
+        id: _util.OPS.setLineWidth,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.J = {
+        id: _util.OPS.setLineCap,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.j = {
+        id: _util.OPS.setLineJoin,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.M = {
+        id: _util.OPS.setMiterLimit,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.d = {
+        id: _util.OPS.setDash,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.ri = {
+        id: _util.OPS.setRenderingIntent,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.i = {
+        id: _util.OPS.setFlatness,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.gs = {
+        id: _util.OPS.setGState,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.q = {
+        id: _util.OPS.save,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Q = {
+        id: _util.OPS.restore,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.cm = {
+        id: _util.OPS.transform,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.m = {
+        id: _util.OPS.moveTo,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.l = {
+        id: _util.OPS.lineTo,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.c = {
+        id: _util.OPS.curveTo,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.v = {
+        id: _util.OPS.curveTo2,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.y = {
+        id: _util.OPS.curveTo3,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.h = {
+        id: _util.OPS.closePath,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.re = {
+        id: _util.OPS.rectangle,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.S = {
+        id: _util.OPS.stroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.s = {
+        id: _util.OPS.closeStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.f = {
+        id: _util.OPS.fill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.F = {
+        id: _util.OPS.fill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["f*"] = {
+        id: _util.OPS.eoFill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.B = {
+        id: _util.OPS.fillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["B*"] = {
+        id: _util.OPS.eoFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.b = {
+        id: _util.OPS.closeFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["b*"] = {
+        id: _util.OPS.closeEOFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.n = {
+        id: _util.OPS.endPath,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.W = {
+        id: _util.OPS.clip,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["W*"] = {
+        id: _util.OPS.eoClip,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BT = {
+        id: _util.OPS.beginText,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.ET = {
+        id: _util.OPS.endText,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Tc = {
+        id: _util.OPS.setCharSpacing,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tw = {
+        id: _util.OPS.setWordSpacing,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tz = {
+        id: _util.OPS.setHScale,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.TL = {
+        id: _util.OPS.setLeading,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tf = {
+        id: _util.OPS.setFont,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.Tr = {
+        id: _util.OPS.setTextRenderingMode,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Ts = {
+        id: _util.OPS.setTextRise,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Td = {
+        id: _util.OPS.moveText,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.TD = {
+        id: _util.OPS.setLeadingMoveText,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.Tm = {
+        id: _util.OPS.setTextMatrix,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t["T*"] = {
+        id: _util.OPS.nextLine,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Tj = {
+        id: _util.OPS.showText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.TJ = {
+        id: _util.OPS.showSpacedText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t["'"] = {
+        id: _util.OPS.nextLineShowText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t['"'] = {
+        id: _util.OPS.nextLineSetSpacingShowText,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.d0 = {
+        id: _util.OPS.setCharWidth,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.d1 = {
+        id: _util.OPS.setCharWidthAndBounds,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.CS = {
+        id: _util.OPS.setStrokeColorSpace,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.cs = {
+        id: _util.OPS.setFillColorSpace,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.SC = {
+        id: _util.OPS.setStrokeColor,
+        numArgs: 4,
+        variableArgs: true
+      };
+      t.SCN = {
+        id: _util.OPS.setStrokeColorN,
+        numArgs: 33,
+        variableArgs: true
+      };
+      t.sc = {
+        id: _util.OPS.setFillColor,
+        numArgs: 4,
+        variableArgs: true
+      };
+      t.scn = {
+        id: _util.OPS.setFillColorN,
+        numArgs: 33,
+        variableArgs: true
+      };
+      t.G = {
+        id: _util.OPS.setStrokeGray,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.g = {
+        id: _util.OPS.setFillGray,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.RG = {
+        id: _util.OPS.setStrokeRGBColor,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.rg = {
+        id: _util.OPS.setFillRGBColor,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.K = {
+        id: _util.OPS.setStrokeCMYKColor,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.k = {
+        id: _util.OPS.setFillCMYKColor,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.sh = {
+        id: _util.OPS.shadingFill,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.BI = {
+        id: _util.OPS.beginInlineImage,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.ID = {
+        id: _util.OPS.beginImageData,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.EI = {
+        id: _util.OPS.endInlineImage,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Do = {
+        id: _util.OPS.paintXObject,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.MP = {
+        id: _util.OPS.markPoint,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.DP = {
+        id: _util.OPS.markPointProps,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.BMC = {
+        id: _util.OPS.beginMarkedContent,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.BDC = {
+        id: _util.OPS.beginMarkedContentProps,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.EMC = {
+        id: _util.OPS.endMarkedContent,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BX = {
+        id: _util.OPS.beginCompat,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.EX = {
+        id: _util.OPS.endCompat,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BM = null;
+      t.BD = null;
+      t.true = null;
+      t.fa = null;
+      t.fal = null;
+      t.fals = null;
+      t.false = null;
+      t.nu = null;
+      t.nul = null;
+      t.null = null;
+    });
+    return (0, _util.shadow)(this, "opMap", getOPMap());
+  }
+
+  static get MAX_INVALID_PATH_OPS() {
+    return (0, _util.shadow)(this, "MAX_INVALID_PATH_OPS", 20);
+  }
+
+  constructor(stream, xref, stateManager) {
+    this.parser = new _parser.Parser({
+      lexer: new _parser.Lexer(stream, EvaluatorPreprocessor.opMap),
+      xref
+    });
+    this.stateManager = stateManager;
+    this.nonProcessedArgs = [];
+    this._numInvalidPathOPS = 0;
+  }
+
+  get savedStatesDepth() {
+    return this.stateManager.stateStack.length;
+  }
+
+  read(operation) {
+    var args = operation.args;
+
+    while (true) {
+      var obj = this.parser.getObj();
+
+      if (obj instanceof _primitives.Cmd) {
+        var cmd = obj.cmd;
+        var opSpec = EvaluatorPreprocessor.opMap[cmd];
+
+        if (!opSpec) {
+          (0, _util.warn)(`Unknown command "${cmd}".`);
+          continue;
+        }
+
+        var fn = opSpec.id;
+        var numArgs = opSpec.numArgs;
+        var argsLength = args !== null ? args.length : 0;
+
+        if (!opSpec.variableArgs) {
+          if (argsLength !== numArgs) {
+            var nonProcessedArgs = this.nonProcessedArgs;
+
+            while (argsLength > numArgs) {
+              nonProcessedArgs.push(args.shift());
+              argsLength--;
+            }
+
+            while (argsLength < numArgs && nonProcessedArgs.length !== 0) {
+              if (args === null) {
+                args = [];
+              }
+
+              args.unshift(nonProcessedArgs.pop());
+              argsLength++;
+            }
+          }
+
+          if (argsLength < numArgs) {
+            const partialMsg = `command ${cmd}: expected ${numArgs} args, ` + `but received ${argsLength} args.`;
+
+            if (fn >= _util.OPS.moveTo && fn <= _util.OPS.endPath && ++this._numInvalidPathOPS > EvaluatorPreprocessor.MAX_INVALID_PATH_OPS) {
+              throw new _util.FormatError(`Invalid ${partialMsg}`);
+            }
+
+            (0, _util.warn)(`Skipping ${partialMsg}`);
+
+            if (args !== null) {
+              args.length = 0;
+            }
+
+            continue;
+          }
+        } else if (argsLength > numArgs) {
+          (0, _util.info)(`Command ${cmd}: expected [0, ${numArgs}] args, ` + `but received ${argsLength} args.`);
+        }
+
+        this.preprocessCommand(fn, args);
+        operation.fn = fn;
+        operation.args = args;
+        return true;
+      }
+
+      if (obj === _primitives.EOF) {
+        return false;
+      }
+
+      if (obj !== null) {
+        if (args === null) {
+          args = [];
+        }
+
+        args.push(obj);
+
+        if (args.length > 33) {
+          throw new _util.FormatError("Too many arguments");
+        }
+      }
+    }
+  }
+
+  preprocessCommand(fn, args) {
+    switch (fn | 0) {
+      case _util.OPS.save:
+        this.stateManager.save();
+        break;
+
+      case _util.OPS.restore:
+        this.stateManager.restore();
+        break;
+
+      case _util.OPS.transform:
+        this.stateManager.transform(args);
+        break;
+    }
+  }
+
+}
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CMapFactory = exports.IdentityCMap = exports.CMap = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _parser = __w_pdfjs_require__(11);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _stream = __w_pdfjs_require__(12);
+
+var BUILT_IN_CMAPS = ["Adobe-GB1-UCS2", "Adobe-CNS1-UCS2", "Adobe-Japan1-UCS2", "Adobe-Korea1-UCS2", "78-EUC-H", "78-EUC-V", "78-H", "78-RKSJ-H", "78-RKSJ-V", "78-V", "78ms-RKSJ-H", "78ms-RKSJ-V", "83pv-RKSJ-H", "90ms-RKSJ-H", "90ms-RKSJ-V", "90msp-RKSJ-H", "90msp-RKSJ-V", "90pv-RKSJ-H", "90pv-RKSJ-V", "Add-H", "Add-RKSJ-H", "Add-RKSJ-V", "Add-V", "Adobe-CNS1-0", "Adobe-CNS1-1", "Adobe-CNS1-2", "Adobe-CNS1-3", "Adobe-CNS1-4", "Adobe-CNS1-5", "Adobe-CNS1-6", "Adobe-GB1-0", "Adobe-GB1-1", "Adobe-GB1-2", "Adobe-GB1-3", "Adobe-GB1-4", "Adobe-GB1-5", "Adobe-Japan1-0", "Adobe-Japan1-1", "Adobe-Japan1-2", "Adobe-Japan1-3", "Adobe-Japan1-4", "Adobe-Japan1-5", "Adobe-Japan1-6", "Adobe-Korea1-0", "Adobe-Korea1-1", "Adobe-Korea1-2", "B5-H", "B5-V", "B5pc-H", "B5pc-V", "CNS-EUC-H", "CNS-EUC-V", "CNS1-H", "CNS1-V", "CNS2-H", "CNS2-V", "ETHK-B5-H", "ETHK-B5-V", "ETen-B5-H", "ETen-B5-V", "ETenms-B5-H", "ETenms-B5-V", "EUC-H", "EUC-V", "Ext-H", "Ext-RKSJ-H", "Ext-RKSJ-V", "Ext-V", "GB-EUC-H", "GB-EUC-V", "GB-H", "GB-V", "GBK-EUC-H", "GBK-EUC-V", "GBK2K-H", "GBK2K-V", "GBKp-EUC-H", "GBKp-EUC-V", "GBT-EUC-H", "GBT-EUC-V", "GBT-H", "GBT-V", "GBTpc-EUC-H", "GBTpc-EUC-V", "GBpc-EUC-H", "GBpc-EUC-V", "H", "HKdla-B5-H", "HKdla-B5-V", "HKdlb-B5-H", "HKdlb-B5-V", "HKgccs-B5-H", "HKgccs-B5-V", "HKm314-B5-H", "HKm314-B5-V", "HKm471-B5-H", "HKm471-B5-V", "HKscs-B5-H", "HKscs-B5-V", "Hankaku", "Hiragana", "KSC-EUC-H", "KSC-EUC-V", "KSC-H", "KSC-Johab-H", "KSC-Johab-V", "KSC-V", "KSCms-UHC-H", "KSCms-UHC-HW-H", "KSCms-UHC-HW-V", "KSCms-UHC-V", "KSCpc-EUC-H", "KSCpc-EUC-V", "Katakana", "NWP-H", "NWP-V", "RKSJ-H", "RKSJ-V", "Roman", "UniCNS-UCS2-H", "UniCNS-UCS2-V", "UniCNS-UTF16-H", "UniCNS-UTF16-V", "UniCNS-UTF32-H", "UniCNS-UTF32-V", "UniCNS-UTF8-H", "UniCNS-UTF8-V", "UniGB-UCS2-H", "UniGB-UCS2-V", "UniGB-UTF16-H", "UniGB-UTF16-V", "UniGB-UTF32-H", "UniGB-UTF32-V", "UniGB-UTF8-H", "UniGB-UTF8-V", "UniJIS-UCS2-H", "UniJIS-UCS2-HW-H", "UniJIS-UCS2-HW-V", "UniJIS-UCS2-V", "UniJIS-UTF16-H", "UniJIS-UTF16-V", "UniJIS-UTF32-H", "UniJIS-UTF32-V", "UniJIS-UTF8-H", "UniJIS-UTF8-V", "UniJIS2004-UTF16-H", "UniJIS2004-UTF16-V", "UniJIS2004-UTF32-H", "UniJIS2004-UTF32-V", "UniJIS2004-UTF8-H", "UniJIS2004-UTF8-V", "UniJISPro-UCS2-HW-V", "UniJISPro-UCS2-V", "UniJISPro-UTF8-V", "UniJISX0213-UTF32-H", "UniJISX0213-UTF32-V", "UniJISX02132004-UTF32-H", "UniJISX02132004-UTF32-V", "UniKS-UCS2-H", "UniKS-UCS2-V", "UniKS-UTF16-H", "UniKS-UTF16-V", "UniKS-UTF32-H", "UniKS-UTF32-V", "UniKS-UTF8-H", "UniKS-UTF8-V", "V", "WP-Symbol"];
+const MAX_MAP_RANGE = 2 ** 24 - 1;
+
+class CMap {
+  constructor(builtInCMap = false) {
+    this.codespaceRanges = [[], [], [], []];
+    this.numCodespaceRanges = 0;
+    this._map = [];
+    this.name = "";
+    this.vertical = false;
+    this.useCMap = null;
+    this.builtInCMap = builtInCMap;
+  }
+
+  addCodespaceRange(n, low, high) {
+    this.codespaceRanges[n - 1].push(low, high);
+    this.numCodespaceRanges++;
+  }
+
+  mapCidRange(low, high, dstLow) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapCidRange - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    while (low <= high) {
+      this._map[low++] = dstLow++;
+    }
+  }
+
+  mapBfRange(low, high, dstLow) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapBfRange - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    var lastByte = dstLow.length - 1;
+
+    while (low <= high) {
+      this._map[low++] = dstLow;
+      dstLow = dstLow.substring(0, lastByte) + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);
+    }
+  }
+
+  mapBfRangeToArray(low, high, array) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    const ii = array.length;
+    let i = 0;
+
+    while (low <= high && i < ii) {
+      this._map[low] = array[i++];
+      ++low;
+    }
+  }
+
+  mapOne(src, dst) {
+    this._map[src] = dst;
+  }
+
+  lookup(code) {
+    return this._map[code];
+  }
+
+  contains(code) {
+    return this._map[code] !== undefined;
+  }
+
+  forEach(callback) {
+    const map = this._map;
+    const length = map.length;
+
+    if (length <= 0x10000) {
+      for (let i = 0; i < length; i++) {
+        if (map[i] !== undefined) {
+          callback(i, map[i]);
+        }
+      }
+    } else {
+      for (const i in map) {
+        callback(i, map[i]);
+      }
+    }
+  }
+
+  charCodeOf(value) {
+    const map = this._map;
+
+    if (map.length <= 0x10000) {
+      return map.indexOf(value);
+    }
+
+    for (const charCode in map) {
+      if (map[charCode] === value) {
+        return charCode | 0;
+      }
+    }
+
+    return -1;
+  }
+
+  getMap() {
+    return this._map;
+  }
+
+  readCharCode(str, offset, out) {
+    let c = 0;
+    const codespaceRanges = this.codespaceRanges;
+
+    for (let n = 0, nn = codespaceRanges.length; n < nn; n++) {
+      c = (c << 8 | str.charCodeAt(offset + n)) >>> 0;
+      const codespaceRange = codespaceRanges[n];
+
+      for (let k = 0, kk = codespaceRange.length; k < kk;) {
+        const low = codespaceRange[k++];
+        const high = codespaceRange[k++];
+
+        if (c >= low && c <= high) {
+          out.charcode = c;
+          out.length = n + 1;
+          return;
+        }
+      }
+    }
+
+    out.charcode = 0;
+    out.length = 1;
+  }
+
+  get length() {
+    return this._map.length;
+  }
+
+  get isIdentityCMap() {
+    if (!(this.name === "Identity-H" || this.name === "Identity-V")) {
+      return false;
+    }
+
+    if (this._map.length !== 0x10000) {
+      return false;
+    }
+
+    for (let i = 0; i < 0x10000; i++) {
+      if (this._map[i] !== i) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+}
+
+exports.CMap = CMap;
+
+class IdentityCMap extends CMap {
+  constructor(vertical, n) {
+    super();
+    this.vertical = vertical;
+    this.addCodespaceRange(n, 0, 0xffff);
+  }
+
+  mapCidRange(low, high, dstLow) {
+    (0, _util.unreachable)("should not call mapCidRange");
+  }
+
+  mapBfRange(low, high, dstLow) {
+    (0, _util.unreachable)("should not call mapBfRange");
+  }
+
+  mapBfRangeToArray(low, high, array) {
+    (0, _util.unreachable)("should not call mapBfRangeToArray");
+  }
+
+  mapOne(src, dst) {
+    (0, _util.unreachable)("should not call mapCidOne");
+  }
+
+  lookup(code) {
+    return Number.isInteger(code) && code <= 0xffff ? code : undefined;
+  }
+
+  contains(code) {
+    return Number.isInteger(code) && code <= 0xffff;
+  }
+
+  forEach(callback) {
+    for (let i = 0; i <= 0xffff; i++) {
+      callback(i, i);
+    }
+  }
+
+  charCodeOf(value) {
+    return Number.isInteger(value) && value <= 0xffff ? value : -1;
+  }
+
+  getMap() {
+    const map = new Array(0x10000);
+
+    for (let i = 0; i <= 0xffff; i++) {
+      map[i] = i;
+    }
+
+    return map;
+  }
+
+  get length() {
+    return 0x10000;
+  }
+
+  get isIdentityCMap() {
+    (0, _util.unreachable)("should not access .isIdentityCMap");
+  }
+
+}
+
+exports.IdentityCMap = IdentityCMap;
+
+var BinaryCMapReader = function BinaryCMapReaderClosure() {
+  function hexToInt(a, size) {
+    var n = 0;
+
+    for (var i = 0; i <= size; i++) {
+      n = n << 8 | a[i];
+    }
+
+    return n >>> 0;
+  }
+
+  function hexToStr(a, size) {
+    if (size === 1) {
+      return String.fromCharCode(a[0], a[1]);
+    }
+
+    if (size === 3) {
+      return String.fromCharCode(a[0], a[1], a[2], a[3]);
+    }
+
+    return String.fromCharCode.apply(null, a.subarray(0, size + 1));
+  }
+
+  function addHex(a, b, size) {
+    var c = 0;
+
+    for (var i = size; i >= 0; i--) {
+      c += a[i] + b[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  function incHex(a, size) {
+    var c = 1;
+
+    for (var i = size; i >= 0 && c > 0; i--) {
+      c += a[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  var MAX_NUM_SIZE = 16;
+  var MAX_ENCODED_NUM_SIZE = 19;
+
+  function BinaryCMapStream(data) {
+    this.buffer = data;
+    this.pos = 0;
+    this.end = data.length;
+    this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);
+  }
+
+  BinaryCMapStream.prototype = {
+    readByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.buffer[this.pos++];
+    },
+
+    readNumber() {
+      var n = 0;
+      var last;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        n = n << 7 | b & 0x7f;
+      } while (!last);
+
+      return n;
+    },
+
+    readSigned() {
+      var n = this.readNumber();
+      return n & 1 ? ~(n >>> 1) : n >>> 1;
+    },
+
+    readHex(num, size) {
+      num.set(this.buffer.subarray(this.pos, this.pos + size + 1));
+      this.pos += size + 1;
+    },
+
+    readHexNumber(num, size) {
+      var last;
+      var stack = this.tmpBuf,
+          sp = 0;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        stack[sp++] = b & 0x7f;
+      } while (!last);
+
+      var i = size,
+          buffer = 0,
+          bufferSize = 0;
+
+      while (i >= 0) {
+        while (bufferSize < 8 && stack.length > 0) {
+          buffer = stack[--sp] << bufferSize | buffer;
+          bufferSize += 7;
+        }
+
+        num[i] = buffer & 255;
+        i--;
+        buffer >>= 8;
+        bufferSize -= 8;
+      }
+    },
+
+    readHexSigned(num, size) {
+      this.readHexNumber(num, size);
+      var sign = num[size] & 1 ? 255 : 0;
+      var c = 0;
+
+      for (var i = 0; i <= size; i++) {
+        c = (c & 1) << 8 | num[i];
+        num[i] = c >> 1 ^ sign;
+      }
+    },
+
+    readString() {
+      var len = this.readNumber();
+      var s = "";
+
+      for (var i = 0; i < len; i++) {
+        s += String.fromCharCode(this.readNumber());
+      }
+
+      return s;
+    }
+
+  };
+
+  function processBinaryCMap(data, cMap, extend) {
+    return new Promise(function (resolve, reject) {
+      var stream = new BinaryCMapStream(data);
+      var header = stream.readByte();
+      cMap.vertical = !!(header & 1);
+      var useCMap = null;
+      var start = new Uint8Array(MAX_NUM_SIZE);
+      var end = new Uint8Array(MAX_NUM_SIZE);
+      var char = new Uint8Array(MAX_NUM_SIZE);
+      var charCode = new Uint8Array(MAX_NUM_SIZE);
+      var tmp = new Uint8Array(MAX_NUM_SIZE);
+      var code;
+      var b;
+
+      while ((b = stream.readByte()) >= 0) {
+        var type = b >> 5;
+
+        if (type === 7) {
+          switch (b & 0x1f) {
+            case 0:
+              stream.readString();
+              break;
+
+            case 1:
+              useCMap = stream.readString();
+              break;
+          }
+
+          continue;
+        }
+
+        var sequence = !!(b & 0x10);
+        var dataSize = b & 15;
+
+        if (dataSize + 1 > MAX_NUM_SIZE) {
+          throw new Error("processBinaryCMap: Invalid dataSize.");
+        }
+
+        var ucs2DataSize = 1;
+        var subitemsCount = stream.readNumber();
+        var i;
+
+        switch (type) {
+          case 0:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+            }
+
+            break;
+
+          case 1:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            stream.readNumber();
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              stream.readNumber();
+            }
+
+            break;
+
+          case 2:
+            stream.readHex(char, dataSize);
+            code = stream.readNumber();
+            cMap.mapOne(hexToInt(char, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(char, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, dataSize);
+                addHex(char, tmp, dataSize);
+              }
+
+              code = stream.readSigned() + (code + 1);
+              cMap.mapOne(hexToInt(char, dataSize), code);
+            }
+
+            break;
+
+          case 3:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            code = stream.readNumber();
+            cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, dataSize);
+                addHex(start, end, dataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              code = stream.readNumber();
+              cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+            }
+
+            break;
+
+          case 4:
+            stream.readHex(char, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(char, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, ucs2DataSize);
+                addHex(char, tmp, ucs2DataSize);
+              }
+
+              incHex(charCode, dataSize);
+              stream.readHexSigned(tmp, dataSize);
+              addHex(charCode, tmp, dataSize);
+              cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          case 5:
+            stream.readHex(start, ucs2DataSize);
+            stream.readHexNumber(end, ucs2DataSize);
+            addHex(end, start, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, ucs2DataSize);
+                addHex(start, end, ucs2DataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, ucs2DataSize);
+              addHex(end, start, ucs2DataSize);
+              stream.readHex(charCode, dataSize);
+              cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          default:
+            reject(new Error("processBinaryCMap: Unknown type: " + type));
+            return;
+        }
+      }
+
+      if (useCMap) {
+        resolve(extend(useCMap));
+        return;
+      }
+
+      resolve(cMap);
+    });
+  }
+
+  function BinaryCMapReader() {}
+
+  BinaryCMapReader.prototype = {
+    process: processBinaryCMap
+  };
+  return BinaryCMapReader;
+}();
+
+var CMapFactory = function CMapFactoryClosure() {
+  function strToInt(str) {
+    var a = 0;
+
+    for (var i = 0; i < str.length; i++) {
+      a = a << 8 | str.charCodeAt(i);
+    }
+
+    return a >>> 0;
+  }
+
+  function expectString(obj) {
+    if (!(0, _util.isString)(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected string.");
+    }
+  }
+
+  function expectInt(obj) {
+    if (!Number.isInteger(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected int.");
+    }
+  }
+
+  function parseBfChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseBfRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (Number.isInteger(obj) || (0, _util.isString)(obj)) {
+        var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;
+        cMap.mapBfRange(low, high, dstLow);
+      } else if ((0, _primitives.isCmd)(obj, "[")) {
+        obj = lexer.getObj();
+        var array = [];
+
+        while (!(0, _primitives.isCmd)(obj, "]") && !(0, _primitives.isEOF)(obj)) {
+          array.push(obj);
+          obj = lexer.getObj();
+        }
+
+        cMap.mapBfRangeToArray(low, high, array);
+      } else {
+        break;
+      }
+    }
+
+    throw new _util.FormatError("Invalid bf range.");
+  }
+
+  function parseCidChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseCidRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dstLow = obj;
+      cMap.mapCidRange(low, high, dstLow);
+    }
+  }
+
+  function parseCodespaceRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcodespacerange")) {
+        return;
+      }
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var high = strToInt(obj);
+      cMap.addCodespaceRange(obj.length, low, high);
+    }
+
+    throw new _util.FormatError("Invalid codespace range.");
+  }
+
+  function parseWMode(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if (Number.isInteger(obj)) {
+      cMap.vertical = !!obj;
+    }
+  }
+
+  function parseCMapName(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if ((0, _primitives.isName)(obj) && (0, _util.isString)(obj.name)) {
+      cMap.name = obj.name;
+    }
+  }
+
+  function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {
+    var previous;
+    var embeddedUseCMap;
+
+    objLoop: while (true) {
+      try {
+        var obj = lexer.getObj();
+
+        if ((0, _primitives.isEOF)(obj)) {
+          break;
+        } else if ((0, _primitives.isName)(obj)) {
+          if (obj.name === "WMode") {
+            parseWMode(cMap, lexer);
+          } else if (obj.name === "CMapName") {
+            parseCMapName(cMap, lexer);
+          }
+
+          previous = obj;
+        } else if ((0, _primitives.isCmd)(obj)) {
+          switch (obj.cmd) {
+            case "endcmap":
+              break objLoop;
+
+            case "usecmap":
+              if ((0, _primitives.isName)(previous)) {
+                embeddedUseCMap = previous.name;
+              }
+
+              break;
+
+            case "begincodespacerange":
+              parseCodespaceRange(cMap, lexer);
+              break;
+
+            case "beginbfchar":
+              parseBfChar(cMap, lexer);
+              break;
+
+            case "begincidchar":
+              parseCidChar(cMap, lexer);
+              break;
+
+            case "beginbfrange":
+              parseBfRange(cMap, lexer);
+              break;
+
+            case "begincidrange":
+              parseCidRange(cMap, lexer);
+              break;
+          }
+        }
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Invalid cMap data: " + ex);
+        continue;
+      }
+    }
+
+    if (!useCMap && embeddedUseCMap) {
+      useCMap = embeddedUseCMap;
+    }
+
+    if (useCMap) {
+      return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+    }
+
+    return Promise.resolve(cMap);
+  }
+
+  function extendCMap(cMap, fetchBuiltInCMap, useCMap) {
+    return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (newCMap) {
+      cMap.useCMap = newCMap;
+
+      if (cMap.numCodespaceRanges === 0) {
+        var useCodespaceRanges = cMap.useCMap.codespaceRanges;
+
+        for (var i = 0; i < useCodespaceRanges.length; i++) {
+          cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();
+        }
+
+        cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;
+      }
+
+      cMap.useCMap.forEach(function (key, value) {
+        if (!cMap.contains(key)) {
+          cMap.mapOne(key, cMap.useCMap.lookup(key));
+        }
+      });
+      return cMap;
+    });
+  }
+
+  function createBuiltInCMap(name, fetchBuiltInCMap) {
+    if (name === "Identity-H") {
+      return Promise.resolve(new IdentityCMap(false, 2));
+    } else if (name === "Identity-V") {
+      return Promise.resolve(new IdentityCMap(true, 2));
+    }
+
+    if (!BUILT_IN_CMAPS.includes(name)) {
+      return Promise.reject(new Error("Unknown CMap name: " + name));
+    }
+
+    if (!fetchBuiltInCMap) {
+      return Promise.reject(new Error("Built-in CMap parameters are not provided."));
+    }
+
+    return fetchBuiltInCMap(name).then(function (data) {
+      var cMapData = data.cMapData,
+          compressionType = data.compressionType;
+      var cMap = new CMap(true);
+
+      if (compressionType === _util.CMapCompressionType.BINARY) {
+        return new BinaryCMapReader().process(cMapData, cMap, function (useCMap) {
+          return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+        });
+      }
+
+      if (compressionType === _util.CMapCompressionType.NONE) {
+        var lexer = new _parser.Lexer(new _stream.Stream(cMapData));
+        return parseCMap(cMap, lexer, fetchBuiltInCMap, null);
+      }
+
+      return Promise.reject(new Error("TODO: Only BINARY/NONE CMap compression is currently supported."));
+    });
+  }
+
+  return {
+    async create(params) {
+      var encoding = params.encoding;
+      var fetchBuiltInCMap = params.fetchBuiltInCMap;
+      var useCMap = params.useCMap;
+
+      if ((0, _primitives.isName)(encoding)) {
+        return createBuiltInCMap(encoding.name, fetchBuiltInCMap);
+      } else if ((0, _primitives.isStream)(encoding)) {
+        var cMap = new CMap();
+        var lexer = new _parser.Lexer(encoding);
+        return parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (parsedCMap) {
+          if (parsedCMap.isIdentityCMap) {
+            return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);
+          }
+
+          return parsedCMap;
+        });
+      }
+
+      throw new Error("Encoding required.");
+    }
+
+  };
+}();
+
+exports.CMapFactory = CMapFactory;
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFontType = getFontType;
+exports.IdentityToUnicodeMap = exports.ToUnicodeMap = exports.FontFlags = exports.Font = exports.ErrorFont = exports.SEAC_ANALYSIS_ENABLED = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _cff_parser = __w_pdfjs_require__(31);
+
+var _glyphlist = __w_pdfjs_require__(34);
+
+var _encodings = __w_pdfjs_require__(33);
+
+var _standard_fonts = __w_pdfjs_require__(35);
+
+var _unicode = __w_pdfjs_require__(36);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _font_renderer = __w_pdfjs_require__(37);
+
+var _cmap = __w_pdfjs_require__(29);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _type1_parser = __w_pdfjs_require__(38);
+
+const PRIVATE_USE_AREAS = [[0xe000, 0xf8ff], [0x100000, 0x10fffd]];
+var PDF_GLYPH_SPACE_UNITS = 1000;
+var SEAC_ANALYSIS_ENABLED = true;
+exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED;
+const EXPORT_DATA_PROPERTIES = ["ascent", "bbox", "black", "bold", "charProcOperatorList", "composite", "data", "defaultVMetrics", "defaultWidth", "descent", "fallbackName", "fontMatrix", "fontType", "isMonospace", "isSerifFont", "isType3Font", "italic", "loadedName", "mimetype", "missingFile", "name", "remeasure", "subtype", "type", "vertical"];
+const EXPORT_DATA_EXTRA_PROPERTIES = ["cMap", "defaultEncoding", "differences", "isSymbolicFont", "seacMap", "toFontChar", "toUnicode", "vmetrics", "widths"];
+var FontFlags = {
+  FixedPitch: 1,
+  Serif: 2,
+  Symbolic: 4,
+  Script: 8,
+  Nonsymbolic: 32,
+  Italic: 64,
+  AllCap: 65536,
+  SmallCap: 131072,
+  ForceBold: 262144
+};
+exports.FontFlags = FontFlags;
+var MacStandardGlyphOrdering = [".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron", "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn", "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron", "dcroat"];
+
+function adjustWidths(properties) {
+  if (!properties.fontMatrix) {
+    return;
+  }
+
+  if (properties.fontMatrix[0] === _util.FONT_IDENTITY_MATRIX[0]) {
+    return;
+  }
+
+  var scale = 0.001 / properties.fontMatrix[0];
+  var glyphsWidths = properties.widths;
+
+  for (var glyph in glyphsWidths) {
+    glyphsWidths[glyph] *= scale;
+  }
+
+  properties.defaultWidth *= scale;
+}
+
+function adjustToUnicode(properties, builtInEncoding) {
+  if (properties.hasIncludedToUnicodeMap) {
+    return;
+  }
+
+  if (properties.hasEncoding) {
+    return;
+  }
+
+  if (builtInEncoding === properties.defaultEncoding) {
+    return;
+  }
+
+  if (properties.toUnicode instanceof IdentityToUnicodeMap) {
+    return;
+  }
+
+  var toUnicode = [],
+      glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+  for (var charCode in builtInEncoding) {
+    var glyphName = builtInEncoding[charCode];
+    var unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+    if (unicode !== -1) {
+      toUnicode[charCode] = String.fromCharCode(unicode);
+    }
+  }
+
+  properties.toUnicode.amend(toUnicode);
+}
+
+function getFontType(type, subtype) {
+  switch (type) {
+    case "Type1":
+      return subtype === "Type1C" ? _util.FontType.TYPE1C : _util.FontType.TYPE1;
+
+    case "CIDFontType0":
+      return subtype === "CIDFontType0C" ? _util.FontType.CIDFONTTYPE0C : _util.FontType.CIDFONTTYPE0;
+
+    case "OpenType":
+      return _util.FontType.OPENTYPE;
+
+    case "TrueType":
+      return _util.FontType.TRUETYPE;
+
+    case "CIDFontType2":
+      return _util.FontType.CIDFONTTYPE2;
+
+    case "MMType1":
+      return _util.FontType.MMTYPE1;
+
+    case "Type0":
+      return _util.FontType.TYPE0;
+
+    default:
+      return _util.FontType.UNKNOWN;
+  }
+}
+
+function recoverGlyphName(name, glyphsUnicodeMap) {
+  if (glyphsUnicodeMap[name] !== undefined) {
+    return name;
+  }
+
+  var unicode = (0, _unicode.getUnicodeForGlyph)(name, glyphsUnicodeMap);
+
+  if (unicode !== -1) {
+    for (var key in glyphsUnicodeMap) {
+      if (glyphsUnicodeMap[key] === unicode) {
+        return key;
+      }
+    }
+  }
+
+  (0, _util.info)("Unable to recover a standard glyph name for: " + name);
+  return name;
+}
+
+var Glyph = function GlyphClosure() {
+  function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    this.fontChar = fontChar;
+    this.unicode = unicode;
+    this.accent = accent;
+    this.width = width;
+    this.vmetric = vmetric;
+    this.operatorListId = operatorListId;
+    this.isSpace = isSpace;
+    this.isInFont = isInFont;
+  }
+
+  Glyph.prototype.matchesForCache = function (fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    return this.fontChar === fontChar && this.unicode === unicode && this.accent === accent && this.width === width && this.vmetric === vmetric && this.operatorListId === operatorListId && this.isSpace === isSpace && this.isInFont === isInFont;
+  };
+
+  return Glyph;
+}();
+
+var ToUnicodeMap = function ToUnicodeMapClosure() {
+  function ToUnicodeMap(cmap = []) {
+    this._map = cmap;
+  }
+
+  ToUnicodeMap.prototype = {
+    get length() {
+      return this._map.length;
+    },
+
+    forEach(callback) {
+      for (var charCode in this._map) {
+        callback(charCode, this._map[charCode].charCodeAt(0));
+      }
+    },
+
+    has(i) {
+      return this._map[i] !== undefined;
+    },
+
+    get(i) {
+      return this._map[i];
+    },
+
+    charCodeOf(value) {
+      const map = this._map;
+
+      if (map.length <= 0x10000) {
+        return map.indexOf(value);
+      }
+
+      for (const charCode in map) {
+        if (map[charCode] === value) {
+          return charCode | 0;
+        }
+      }
+
+      return -1;
+    },
+
+    amend(map) {
+      for (var charCode in map) {
+        this._map[charCode] = map[charCode];
+      }
+    }
+
+  };
+  return ToUnicodeMap;
+}();
+
+exports.ToUnicodeMap = ToUnicodeMap;
+
+var IdentityToUnicodeMap = function IdentityToUnicodeMapClosure() {
+  function IdentityToUnicodeMap(firstChar, lastChar) {
+    this.firstChar = firstChar;
+    this.lastChar = lastChar;
+  }
+
+  IdentityToUnicodeMap.prototype = {
+    get length() {
+      return this.lastChar + 1 - this.firstChar;
+    },
+
+    forEach(callback) {
+      for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {
+        callback(i, i);
+      }
+    },
+
+    has(i) {
+      return this.firstChar <= i && i <= this.lastChar;
+    },
+
+    get(i) {
+      if (this.firstChar <= i && i <= this.lastChar) {
+        return String.fromCharCode(i);
+      }
+
+      return undefined;
+    },
+
+    charCodeOf(v) {
+      return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar ? v : -1;
+    },
+
+    amend(map) {
+      (0, _util.unreachable)("Should not call amend()");
+    }
+
+  };
+  return IdentityToUnicodeMap;
+}();
+
+exports.IdentityToUnicodeMap = IdentityToUnicodeMap;
+
+var OpenTypeFileBuilder = function OpenTypeFileBuilderClosure() {
+  function writeInt16(dest, offset, num) {
+    dest[offset] = num >> 8 & 0xff;
+    dest[offset + 1] = num & 0xff;
+  }
+
+  function writeInt32(dest, offset, num) {
+    dest[offset] = num >> 24 & 0xff;
+    dest[offset + 1] = num >> 16 & 0xff;
+    dest[offset + 2] = num >> 8 & 0xff;
+    dest[offset + 3] = num & 0xff;
+  }
+
+  function writeData(dest, offset, data) {
+    var i, ii;
+
+    if (data instanceof Uint8Array) {
+      dest.set(data, offset);
+    } else if (typeof data === "string") {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data.charCodeAt(i) & 0xff;
+      }
+    } else {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data[i] & 0xff;
+      }
+    }
+  }
+
+  function OpenTypeFileBuilder(sfnt) {
+    this.sfnt = sfnt;
+    this.tables = Object.create(null);
+  }
+
+  OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) {
+    var maxPower2 = 1,
+        log2 = 0;
+
+    while ((maxPower2 ^ entriesCount) > maxPower2) {
+      maxPower2 <<= 1;
+      log2++;
+    }
+
+    var searchRange = maxPower2 * entrySize;
+    return {
+      range: searchRange,
+      entry: log2,
+      rangeShift: entrySize * entriesCount - searchRange
+    };
+  };
+
+  var OTF_HEADER_SIZE = 12;
+  var OTF_TABLE_ENTRY_SIZE = 16;
+  OpenTypeFileBuilder.prototype = {
+    toArray: function OpenTypeFileBuilder_toArray() {
+      var sfnt = this.sfnt;
+      var tables = this.tables;
+      var tablesNames = Object.keys(tables);
+      tablesNames.sort();
+      var numTables = tablesNames.length;
+      var i, j, jj, table, tableName;
+      var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;
+      var tableOffsets = [offset];
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        var paddedLength = (table.length + 3 & ~3) >>> 0;
+        offset += paddedLength;
+        tableOffsets.push(offset);
+      }
+
+      var file = new Uint8Array(offset);
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        writeData(file, tableOffsets[i], table);
+      }
+
+      if (sfnt === "true") {
+        sfnt = (0, _util.string32)(0x00010000);
+      }
+
+      file[0] = sfnt.charCodeAt(0) & 0xff;
+      file[1] = sfnt.charCodeAt(1) & 0xff;
+      file[2] = sfnt.charCodeAt(2) & 0xff;
+      file[3] = sfnt.charCodeAt(3) & 0xff;
+      writeInt16(file, 4, numTables);
+      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);
+      writeInt16(file, 6, searchParams.range);
+      writeInt16(file, 8, searchParams.entry);
+      writeInt16(file, 10, searchParams.rangeShift);
+      offset = OTF_HEADER_SIZE;
+
+      for (i = 0; i < numTables; i++) {
+        tableName = tablesNames[i];
+        file[offset] = tableName.charCodeAt(0) & 0xff;
+        file[offset + 1] = tableName.charCodeAt(1) & 0xff;
+        file[offset + 2] = tableName.charCodeAt(2) & 0xff;
+        file[offset + 3] = tableName.charCodeAt(3) & 0xff;
+        var checksum = 0;
+
+        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {
+          var quad = (0, _core_utils.readUint32)(file, j);
+          checksum = checksum + quad >>> 0;
+        }
+
+        writeInt32(file, offset + 4, checksum);
+        writeInt32(file, offset + 8, tableOffsets[i]);
+        writeInt32(file, offset + 12, tables[tableName].length);
+        offset += OTF_TABLE_ENTRY_SIZE;
+      }
+
+      return file;
+    },
+    addTable: function OpenTypeFileBuilder_addTable(tag, data) {
+      if (tag in this.tables) {
+        throw new Error("Table " + tag + " already exists");
+      }
+
+      this.tables[tag] = data;
+    }
+  };
+  return OpenTypeFileBuilder;
+}();
+
+var Font = function FontClosure() {
+  function Font(name, file, properties) {
+    var charCode;
+    this.name = name;
+    this.loadedName = properties.loadedName;
+    this.isType3Font = properties.isType3Font;
+    this.missingFile = false;
+    this.glyphCache = Object.create(null);
+    this.isSerifFont = !!(properties.flags & FontFlags.Serif);
+    this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+    this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);
+    var type = properties.type;
+    var subtype = properties.subtype;
+    this.type = type;
+    this.subtype = subtype;
+    let fallbackName = "sans-serif";
+
+    if (this.isMonospace) {
+      fallbackName = "monospace";
+    } else if (this.isSerifFont) {
+      fallbackName = "serif";
+    }
+
+    this.fallbackName = fallbackName;
+    this.differences = properties.differences;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.composite = properties.composite;
+    this.cMap = properties.cMap;
+    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;
+    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;
+    this.fontMatrix = properties.fontMatrix;
+    this.bbox = properties.bbox;
+    this.defaultEncoding = properties.defaultEncoding;
+    this.toUnicode = properties.toUnicode;
+    this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();
+    this.toFontChar = [];
+
+    if (properties.type === "Type3") {
+      for (charCode = 0; charCode < 256; charCode++) {
+        this.toFontChar[charCode] = this.differences[charCode] || properties.defaultEncoding[charCode];
+      }
+
+      this.fontType = _util.FontType.TYPE3;
+      return;
+    }
+
+    this.cidEncoding = properties.cidEncoding;
+    this.vertical = !!properties.vertical;
+
+    if (this.vertical) {
+      this.vmetrics = properties.vmetrics;
+      this.defaultVMetrics = properties.defaultVMetrics;
+    }
+
+    if (!file || file.isEmpty) {
+      if (file) {
+        (0, _util.warn)('Font file is empty in "' + name + '" (' + this.loadedName + ")");
+      }
+
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    [type, subtype] = getFontFileType(file, properties);
+
+    if (type !== this.type || subtype !== this.subtype) {
+      (0, _util.info)("Inconsistent font file Type/SubType, expected: " + `${this.type}/${this.subtype} but found: ${type}/${subtype}.`);
+    }
+
+    try {
+      var data;
+
+      switch (type) {
+        case "MMType1":
+          (0, _util.info)("MMType1 font (" + name + "), falling back to Type1.");
+
+        case "Type1":
+        case "CIDFontType0":
+          this.mimetype = "font/opentype";
+          var cff = subtype === "Type1C" || subtype === "CIDFontType0C" ? new CFFFont(file, properties) : new Type1Font(name, file, properties);
+          adjustWidths(properties);
+          data = this.convert(name, cff, properties);
+          break;
+
+        case "OpenType":
+        case "TrueType":
+        case "CIDFontType2":
+          this.mimetype = "font/opentype";
+          data = this.checkAndRepair(name, file, properties);
+
+          if (this.isOpenType) {
+            adjustWidths(properties);
+            type = "OpenType";
+          }
+
+          break;
+
+        default:
+          throw new _util.FormatError(`Font ${type} is not supported`);
+      }
+    } catch (e) {
+      (0, _util.warn)(e);
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    this.data = data;
+    this.fontType = getFontType(type, subtype);
+    this.fontMatrix = properties.fontMatrix;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.toUnicode = properties.toUnicode;
+    this.seacMap = properties.seacMap;
+  }
+
+  function int16(b0, b1) {
+    return (b0 << 8) + b1;
+  }
+
+  function writeSignedInt16(bytes, index, value) {
+    bytes[index + 1] = value;
+    bytes[index] = value >>> 8;
+  }
+
+  function signedInt16(b0, b1) {
+    var value = (b0 << 8) + b1;
+    return value & 1 << 15 ? value - 0x10000 : value;
+  }
+
+  function int32(b0, b1, b2, b3) {
+    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+  }
+
+  function string16(value) {
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function safeString16(value) {
+    if (value > 0x7fff) {
+      value = 0x7fff;
+    } else if (value < -0x8000) {
+      value = -0x8000;
+    }
+
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function isTrueTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _core_utils.readUint32)(header, 0) === 0x00010000 || (0, _util.bytesToString)(header) === "true";
+  }
+
+  function isTrueTypeCollectionFile(file) {
+    const header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "ttcf";
+  }
+
+  function isOpenTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "OTTO";
+  }
+
+  function isType1File(file) {
+    var header = file.peekBytes(2);
+
+    if (header[0] === 0x25 && header[1] === 0x21) {
+      return true;
+    }
+
+    if (header[0] === 0x80 && header[1] === 0x01) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function isCFFFile(file) {
+    const header = file.peekBytes(4);
+
+    if (header[0] >= 1 && header[3] >= 1 && header[3] <= 4) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function getFontFileType(file, {
+    type,
+    subtype,
+    composite
+  }) {
+    let fileType, fileSubtype;
+
+    if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "TrueType";
+      }
+    } else if (isOpenTypeFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "OpenType";
+      }
+    } else if (isType1File(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+      }
+    } else if (isCFFFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+        fileSubtype = "CIDFontType0C";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+        fileSubtype = "Type1C";
+      }
+    } else {
+      (0, _util.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");
+      fileType = type;
+      fileSubtype = subtype;
+    }
+
+    return [fileType, fileSubtype];
+  }
+
+  function buildToFontChar(encoding, glyphsUnicodeMap, differences) {
+    var toFontChar = [],
+        unicode;
+
+    for (var i = 0, ii = encoding.length; i < ii; i++) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(encoding[i], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[i] = unicode;
+      }
+    }
+
+    for (var charCode in differences) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(differences[charCode], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[+charCode] = unicode;
+      }
+    }
+
+    return toFontChar;
+  }
+
+  function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {
+    var newMap = Object.create(null);
+    var toFontChar = [];
+    var privateUseAreaIndex = 0;
+    var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+    var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+
+    for (var originalCharCode in charCodeToGlyphId) {
+      originalCharCode |= 0;
+      var glyphId = charCodeToGlyphId[originalCharCode];
+
+      if (!hasGlyph(glyphId)) {
+        continue;
+      }
+
+      if (nextAvailableFontCharCode > privateUseOffetEnd) {
+        privateUseAreaIndex++;
+
+        if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {
+          (0, _util.warn)("Ran out of space in font private use area.");
+          break;
+        }
+
+        nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+        privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+      }
+
+      var fontCharCode = nextAvailableFontCharCode++;
+
+      if (glyphId === 0) {
+        glyphId = newGlyphZeroId;
+      }
+
+      newMap[fontCharCode] = glyphId;
+      toFontChar[originalCharCode] = fontCharCode;
+    }
+
+    return {
+      toFontChar,
+      charCodeToGlyphId: newMap,
+      nextAvailableFontCharCode
+    };
+  }
+
+  function getRanges(glyphs, numGlyphs) {
+    var codes = [];
+
+    for (var charCode in glyphs) {
+      if (glyphs[charCode] >= numGlyphs) {
+        continue;
+      }
+
+      codes.push({
+        fontCharCode: charCode | 0,
+        glyphId: glyphs[charCode]
+      });
+    }
+
+    if (codes.length === 0) {
+      codes.push({
+        fontCharCode: 0,
+        glyphId: 0
+      });
+    }
+
+    codes.sort(function fontGetRangesSort(a, b) {
+      return a.fontCharCode - b.fontCharCode;
+    });
+    var ranges = [];
+    var length = codes.length;
+
+    for (var n = 0; n < length;) {
+      var start = codes[n].fontCharCode;
+      var codeIndices = [codes[n].glyphId];
+      ++n;
+      var end = start;
+
+      while (n < length && end + 1 === codes[n].fontCharCode) {
+        codeIndices.push(codes[n].glyphId);
+        ++end;
+        ++n;
+
+        if (end === 0xffff) {
+          break;
+        }
+      }
+
+      ranges.push([start, end, codeIndices]);
+    }
+
+    return ranges;
+  }
+
+  function createCmapTable(glyphs, numGlyphs) {
+    var ranges = getRanges(glyphs, numGlyphs);
+    var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;
+    var cmap = "\x00\x00" + string16(numTables) + "\x00\x03" + "\x00\x01" + (0, _util.string32)(4 + numTables * 8);
+    var i, ii, j, jj;
+
+    for (i = ranges.length - 1; i >= 0; --i) {
+      if (ranges[i][0] <= 0xffff) {
+        break;
+      }
+    }
+
+    var bmpLength = i + 1;
+
+    if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {
+      ranges[i][1] = 0xfffe;
+    }
+
+    var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;
+    var segCount = bmpLength + trailingRangesCount;
+    var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);
+    var startCount = "";
+    var endCount = "";
+    var idDeltas = "";
+    var idRangeOffsets = "";
+    var glyphsIds = "";
+    var bias = 0;
+    var range, start, end, codes;
+
+    for (i = 0, ii = bmpLength; i < ii; i++) {
+      range = ranges[i];
+      start = range[0];
+      end = range[1];
+      startCount += string16(start);
+      endCount += string16(end);
+      codes = range[2];
+      var contiguous = true;
+
+      for (j = 1, jj = codes.length; j < jj; ++j) {
+        if (codes[j] !== codes[j - 1] + 1) {
+          contiguous = false;
+          break;
+        }
+      }
+
+      if (!contiguous) {
+        var offset = (segCount - i) * 2 + bias * 2;
+        bias += end - start + 1;
+        idDeltas += string16(0);
+        idRangeOffsets += string16(offset);
+
+        for (j = 0, jj = codes.length; j < jj; ++j) {
+          glyphsIds += string16(codes[j]);
+        }
+      } else {
+        var startCode = codes[0];
+        idDeltas += string16(startCode - start & 0xffff);
+        idRangeOffsets += string16(0);
+      }
+    }
+
+    if (trailingRangesCount > 0) {
+      endCount += "\xFF\xFF";
+      startCount += "\xFF\xFF";
+      idDeltas += "\x00\x01";
+      idRangeOffsets += "\x00\x00";
+    }
+
+    var format314 = "\x00\x00" + string16(2 * segCount) + string16(searchParams.range) + string16(searchParams.entry) + string16(searchParams.rangeShift) + endCount + "\x00\x00" + startCount + idDeltas + idRangeOffsets + glyphsIds;
+    var format31012 = "";
+    var header31012 = "";
+
+    if (numTables > 1) {
+      cmap += "\x00\x03" + "\x00\x0A" + (0, _util.string32)(4 + numTables * 8 + 4 + format314.length);
+      format31012 = "";
+
+      for (i = 0, ii = ranges.length; i < ii; i++) {
+        range = ranges[i];
+        start = range[0];
+        codes = range[2];
+        var code = codes[0];
+
+        for (j = 1, jj = codes.length; j < jj; ++j) {
+          if (codes[j] !== codes[j - 1] + 1) {
+            end = range[0] + j - 1;
+            format31012 += (0, _util.string32)(start) + (0, _util.string32)(end) + (0, _util.string32)(code);
+            start = end + 1;
+            code = codes[j];
+          }
+        }
+
+        format31012 += (0, _util.string32)(start) + (0, _util.string32)(range[1]) + (0, _util.string32)(code);
+      }
+
+      header31012 = "\x00\x0C" + "\x00\x00" + (0, _util.string32)(format31012.length + 16) + "\x00\x00\x00\x00" + (0, _util.string32)(format31012.length / 12);
+    }
+
+    return cmap + "\x00\x04" + string16(format314.length + 4) + format314 + header31012 + format31012;
+  }
+
+  function validateOS2Table(os2, file) {
+    file.pos = (file.start || 0) + os2.offset;
+    var version = file.getUint16();
+    file.skip(60);
+    var selection = file.getUint16();
+
+    if (version < 4 && selection & 0x0300) {
+      return false;
+    }
+
+    var firstChar = file.getUint16();
+    var lastChar = file.getUint16();
+
+    if (firstChar > lastChar) {
+      return false;
+    }
+
+    file.skip(6);
+    var usWinAscent = file.getUint16();
+
+    if (usWinAscent === 0) {
+      return false;
+    }
+
+    os2.data[8] = os2.data[9] = 0;
+    return true;
+  }
+
+  function createOS2Table(properties, charstrings, override) {
+    override = override || {
+      unitsPerEm: 0,
+      yMax: 0,
+      yMin: 0,
+      ascent: 0,
+      descent: 0
+    };
+    var ulUnicodeRange1 = 0;
+    var ulUnicodeRange2 = 0;
+    var ulUnicodeRange3 = 0;
+    var ulUnicodeRange4 = 0;
+    var firstCharIndex = null;
+    var lastCharIndex = 0;
+
+    if (charstrings) {
+      for (var code in charstrings) {
+        code |= 0;
+
+        if (firstCharIndex > code || !firstCharIndex) {
+          firstCharIndex = code;
+        }
+
+        if (lastCharIndex < code) {
+          lastCharIndex = code;
+        }
+
+        var position = (0, _unicode.getUnicodeRangeFor)(code);
+
+        if (position < 32) {
+          ulUnicodeRange1 |= 1 << position;
+        } else if (position < 64) {
+          ulUnicodeRange2 |= 1 << position - 32;
+        } else if (position < 96) {
+          ulUnicodeRange3 |= 1 << position - 64;
+        } else if (position < 123) {
+          ulUnicodeRange4 |= 1 << position - 96;
+        } else {
+          throw new _util.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");
+        }
+      }
+
+      if (lastCharIndex > 0xffff) {
+        lastCharIndex = 0xffff;
+      }
+    } else {
+      firstCharIndex = 0;
+      lastCharIndex = 255;
+    }
+
+    var bbox = properties.bbox || [0, 0, 0, 0];
+    var unitsPerEm = override.unitsPerEm || 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+    var scale = properties.ascentScaled ? 1.0 : unitsPerEm / PDF_GLYPH_SPACE_UNITS;
+    var typoAscent = override.ascent || Math.round(scale * (properties.ascent || bbox[3]));
+    var typoDescent = override.descent || Math.round(scale * (properties.descent || bbox[1]));
+
+    if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {
+      typoDescent = -typoDescent;
+    }
+
+    var winAscent = override.yMax || typoAscent;
+    var winDescent = -override.yMin || -typoDescent;
+    return "\x00\x03" + "\x02\x24" + "\x01\xF4" + "\x00\x05" + "\x00\x00" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x00\x8C" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x01\xDF" + "\x00\x31" + "\x01\x02" + "\x00\x00" + "\x00\x00\x06" + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + "\x00\x00\x00\x00\x00\x00" + (0, _util.string32)(ulUnicodeRange1) + (0, _util.string32)(ulUnicodeRange2) + (0, _util.string32)(ulUnicodeRange3) + (0, _util.string32)(ulUnicodeRange4) + "\x2A\x32\x31\x2A" + string16(properties.italicAngle ? 1 : 0) + string16(firstCharIndex || properties.firstChar) + string16(lastCharIndex || properties.lastChar) + string16(typoAscent) + string16(typoDescent) + "\x00\x64" + string16(winAscent) + string16(winDescent) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + string16(properties.xHeight) + string16(properties.capHeight) + string16(0) + string16(firstCharIndex || properties.firstChar) + "\x00\x03";
+  }
+
+  function createPostTable(properties) {
+    var angle = Math.floor(properties.italicAngle * 2 ** 16);
+    return "\x00\x03\x00\x00" + (0, _util.string32)(angle) + "\x00\x00" + "\x00\x00" + (0, _util.string32)(properties.fixedPitch) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00";
+  }
+
+  function createNameTable(name, proto) {
+    if (!proto) {
+      proto = [[], []];
+    }
+
+    var strings = [proto[0][0] || "Original licence", proto[0][1] || name, proto[0][2] || "Unknown", proto[0][3] || "uniqueID", proto[0][4] || name, proto[0][5] || "Version 0.11", proto[0][6] || "", proto[0][7] || "Unknown", proto[0][8] || "Unknown", proto[0][9] || "Unknown"];
+    var stringsUnicode = [];
+    var i, ii, j, jj, str;
+
+    for (i = 0, ii = strings.length; i < ii; i++) {
+      str = proto[1][i] || strings[i];
+      var strBufUnicode = [];
+
+      for (j = 0, jj = str.length; j < jj; j++) {
+        strBufUnicode.push(string16(str.charCodeAt(j)));
+      }
+
+      stringsUnicode.push(strBufUnicode.join(""));
+    }
+
+    var names = [strings, stringsUnicode];
+    var platforms = ["\x00\x01", "\x00\x03"];
+    var encodings = ["\x00\x00", "\x00\x01"];
+    var languages = ["\x00\x00", "\x04\x09"];
+    var namesRecordCount = strings.length * platforms.length;
+    var nameTable = "\x00\x00" + string16(namesRecordCount) + string16(namesRecordCount * 12 + 6);
+    var strOffset = 0;
+
+    for (i = 0, ii = platforms.length; i < ii; i++) {
+      var strs = names[i];
+
+      for (j = 0, jj = strs.length; j < jj; j++) {
+        str = strs[j];
+        var nameRecord = platforms[i] + encodings[i] + languages[i] + string16(j) + string16(str.length) + string16(strOffset);
+        nameTable += nameRecord;
+        strOffset += str.length;
+      }
+    }
+
+    nameTable += strings.join("") + stringsUnicode.join("");
+    return nameTable;
+  }
+
+  Font.prototype = {
+    name: null,
+    font: null,
+    mimetype: null,
+    disableFontFace: false,
+
+    get renderer() {
+      var renderer = _font_renderer.FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);
+
+      return (0, _util.shadow)(this, "renderer", renderer);
+    },
+
+    exportData(extraProperties = false) {
+      const exportDataProperties = extraProperties ? [...EXPORT_DATA_PROPERTIES, ...EXPORT_DATA_EXTRA_PROPERTIES] : EXPORT_DATA_PROPERTIES;
+      const data = Object.create(null);
+      let property, value;
+
+      for (property of exportDataProperties) {
+        value = this[property];
+
+        if (value !== undefined) {
+          data[property] = value;
+        }
+      }
+
+      return data;
+    },
+
+    fallbackToSystemFont: function Font_fallbackToSystemFont() {
+      this.missingFile = true;
+      var name = this.name;
+      var type = this.type;
+      var subtype = this.subtype;
+      let fontName = name.replace(/[,_]/g, "-").replace(/\s/g, "");
+      var stdFontMap = (0, _standard_fonts.getStdFontMap)(),
+          nonStdFontMap = (0, _standard_fonts.getNonStdFontMap)();
+      var isStandardFont = !!stdFontMap[fontName] || !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);
+      fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;
+      this.bold = fontName.search(/bold/gi) !== -1;
+      this.italic = fontName.search(/oblique/gi) !== -1 || fontName.search(/italic/gi) !== -1;
+      this.black = name.search(/Black/g) !== -1;
+      this.remeasure = Object.keys(this.widths).length > 0;
+
+      if (isStandardFont && type === "CIDFontType2" && this.cidEncoding.startsWith("Identity-")) {
+        const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+        const map = [];
+
+        for (const charCode in GlyphMapForStandardFonts) {
+          map[+charCode] = GlyphMapForStandardFonts[charCode];
+        }
+
+        if (/Arial-?Black/i.test(name)) {
+          var SupplementalGlyphMapForArialBlack = (0, _standard_fonts.getSupplementalGlyphMapForArialBlack)();
+
+          for (const charCode in SupplementalGlyphMapForArialBlack) {
+            map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];
+          }
+        } else if (/Calibri/i.test(name)) {
+          const SupplementalGlyphMapForCalibri = (0, _standard_fonts.getSupplementalGlyphMapForCalibri)();
+
+          for (const charCode in SupplementalGlyphMapForCalibri) {
+            map[+charCode] = SupplementalGlyphMapForCalibri[charCode];
+          }
+        }
+
+        var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;
+
+        if (!isIdentityUnicode) {
+          this.toUnicode.forEach(function (charCode, unicodeCharCode) {
+            map[+charCode] = unicodeCharCode;
+          });
+        }
+
+        this.toFontChar = map;
+        this.toUnicode = new ToUnicodeMap(map);
+      } else if (/Symbol/i.test(fontName)) {
+        this.toFontChar = buildToFontChar(_encodings.SymbolSetEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else if (/Dingbats/i.test(fontName)) {
+        if (/Wingdings/i.test(name)) {
+          (0, _util.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");
+        }
+
+        this.toFontChar = buildToFontChar(_encodings.ZapfDingbatsEncoding, (0, _glyphlist.getDingbatsGlyphsUnicode)(), this.differences);
+      } else if (isStandardFont) {
+        this.toFontChar = buildToFontChar(this.defaultEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else {
+        const glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        const map = [];
+        this.toUnicode.forEach((charCode, unicodeCharCode) => {
+          if (!this.composite) {
+            var glyphName = this.differences[charCode] || this.defaultEncoding[charCode];
+            const unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+            if (unicode !== -1) {
+              unicodeCharCode = unicode;
+            }
+          }
+
+          map[+charCode] = unicodeCharCode;
+        });
+
+        if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {
+          if (/Verdana/i.test(name)) {
+            const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+
+            for (const charCode in GlyphMapForStandardFonts) {
+              map[+charCode] = GlyphMapForStandardFonts[charCode];
+            }
+          }
+        }
+
+        this.toFontChar = map;
+      }
+
+      this.loadedName = fontName.split("-")[0];
+      this.fontType = getFontType(type, subtype);
+    },
+    checkAndRepair: function Font_checkAndRepair(name, font, properties) {
+      const VALID_TABLES = ["OS/2", "cmap", "head", "hhea", "hmtx", "maxp", "name", "post", "loca", "glyf", "fpgm", "prep", "cvt ", "CFF "];
+
+      function readTables(file, numTables) {
+        const tables = Object.create(null);
+        tables["OS/2"] = null;
+        tables.cmap = null;
+        tables.head = null;
+        tables.hhea = null;
+        tables.hmtx = null;
+        tables.maxp = null;
+        tables.name = null;
+        tables.post = null;
+
+        for (let i = 0; i < numTables; i++) {
+          const table = readTableEntry(file);
+
+          if (!VALID_TABLES.includes(table.tag)) {
+            continue;
+          }
+
+          if (table.length === 0) {
+            continue;
+          }
+
+          tables[table.tag] = table;
+        }
+
+        return tables;
+      }
+
+      function readTableEntry(file) {
+        var tag = (0, _util.bytesToString)(file.getBytes(4));
+        var checksum = file.getInt32() >>> 0;
+        var offset = file.getInt32() >>> 0;
+        var length = file.getInt32() >>> 0;
+        var previousPosition = file.pos;
+        file.pos = file.start ? file.start : 0;
+        file.skip(offset);
+        var data = file.getBytes(length);
+        file.pos = previousPosition;
+
+        if (tag === "head") {
+          data[8] = data[9] = data[10] = data[11] = 0;
+          data[17] |= 0x20;
+        }
+
+        return {
+          tag,
+          checksum,
+          length,
+          offset,
+          data
+        };
+      }
+
+      function readOpenTypeHeader(ttf) {
+        return {
+          version: (0, _util.bytesToString)(ttf.getBytes(4)),
+          numTables: ttf.getUint16(),
+          searchRange: ttf.getUint16(),
+          entrySelector: ttf.getUint16(),
+          rangeShift: ttf.getUint16()
+        };
+      }
+
+      function readTrueTypeCollectionHeader(ttc) {
+        const ttcTag = (0, _util.bytesToString)(ttc.getBytes(4));
+        (0, _util.assert)(ttcTag === "ttcf", "Must be a TrueType Collection font.");
+        const majorVersion = ttc.getUint16();
+        const minorVersion = ttc.getUint16();
+        const numFonts = ttc.getInt32() >>> 0;
+        const offsetTable = [];
+
+        for (let i = 0; i < numFonts; i++) {
+          offsetTable.push(ttc.getInt32() >>> 0);
+        }
+
+        const header = {
+          ttcTag,
+          majorVersion,
+          minorVersion,
+          numFonts,
+          offsetTable
+        };
+
+        switch (majorVersion) {
+          case 1:
+            return header;
+
+          case 2:
+            header.dsigTag = ttc.getInt32() >>> 0;
+            header.dsigLength = ttc.getInt32() >>> 0;
+            header.dsigOffset = ttc.getInt32() >>> 0;
+            return header;
+        }
+
+        throw new _util.FormatError(`Invalid TrueType Collection majorVersion: ${majorVersion}.`);
+      }
+
+      function readTrueTypeCollectionData(ttc, fontName) {
+        const {
+          numFonts,
+          offsetTable
+        } = readTrueTypeCollectionHeader(ttc);
+
+        for (let i = 0; i < numFonts; i++) {
+          ttc.pos = (ttc.start || 0) + offsetTable[i];
+          const potentialHeader = readOpenTypeHeader(ttc);
+          const potentialTables = readTables(ttc, potentialHeader.numTables);
+
+          if (!potentialTables.name) {
+            throw new _util.FormatError('TrueType Collection font must contain a "name" table.');
+          }
+
+          const nameTable = readNameTable(potentialTables.name);
+
+          for (let j = 0, jj = nameTable.length; j < jj; j++) {
+            for (let k = 0, kk = nameTable[j].length; k < kk; k++) {
+              const nameEntry = nameTable[j][k];
+
+              if (nameEntry && nameEntry.replace(/\s/g, "") === fontName) {
+                return {
+                  header: potentialHeader,
+                  tables: potentialTables
+                };
+              }
+            }
+          }
+        }
+
+        throw new _util.FormatError(`TrueType Collection does not contain "${fontName}" font.`);
+      }
+
+      function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {
+        if (!cmap) {
+          (0, _util.warn)("No cmap table available.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var segment;
+        var start = (file.start ? file.start : 0) + cmap.offset;
+        file.pos = start;
+        file.skip(2);
+        var numTables = file.getUint16();
+        var potentialTable;
+        var canBreak = false;
+
+        for (var i = 0; i < numTables; i++) {
+          var platformId = file.getUint16();
+          var encodingId = file.getUint16();
+          var offset = file.getInt32() >>> 0;
+          var useTable = false;
+
+          if (potentialTable && potentialTable.platformId === platformId && potentialTable.encodingId === encodingId) {
+            continue;
+          }
+
+          if (platformId === 0 && (encodingId === 0 || encodingId === 1 || encodingId === 3)) {
+            useTable = true;
+          } else if (platformId === 1 && encodingId === 0) {
+            useTable = true;
+          } else if (platformId === 3 && encodingId === 1 && (hasEncoding || !potentialTable)) {
+            useTable = true;
+
+            if (!isSymbolicFont) {
+              canBreak = true;
+            }
+          } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
+            useTable = true;
+            canBreak = true;
+          }
+
+          if (useTable) {
+            potentialTable = {
+              platformId,
+              encodingId,
+              offset
+            };
+          }
+
+          if (canBreak) {
+            break;
+          }
+        }
+
+        if (potentialTable) {
+          file.pos = start + potentialTable.offset;
+        }
+
+        if (!potentialTable || file.peekByte() === -1) {
+          (0, _util.warn)("Could not find a preferred cmap table.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var format = file.getUint16();
+        file.skip(2 + 2);
+        var hasShortCmap = false;
+        var mappings = [];
+        var j, glyphId;
+
+        if (format === 0) {
+          for (j = 0; j < 256; j++) {
+            var index = file.getByte();
+
+            if (!index) {
+              continue;
+            }
+
+            mappings.push({
+              charCode: j,
+              glyphId: index
+            });
+          }
+
+          hasShortCmap = true;
+        } else if (format === 4) {
+          var segCount = file.getUint16() >> 1;
+          file.skip(6);
+          var segIndex,
+              segments = [];
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments.push({
+              end: file.getUint16()
+            });
+          }
+
+          file.skip(2);
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].start = file.getUint16();
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].delta = file.getUint16();
+          }
+
+          var offsetsCount = 0;
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            var rangeOffset = file.getUint16();
+
+            if (!rangeOffset) {
+              segment.offsetIndex = -1;
+              continue;
+            }
+
+            var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);
+            segment.offsetIndex = offsetIndex;
+            offsetsCount = Math.max(offsetsCount, offsetIndex + segment.end - segment.start + 1);
+          }
+
+          var offsets = [];
+
+          for (j = 0; j < offsetsCount; j++) {
+            offsets.push(file.getUint16());
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            start = segment.start;
+            var end = segment.end;
+            var delta = segment.delta;
+            offsetIndex = segment.offsetIndex;
+
+            for (j = start; j <= end; j++) {
+              if (j === 0xffff) {
+                continue;
+              }
+
+              glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];
+              glyphId = glyphId + delta & 0xffff;
+              mappings.push({
+                charCode: j,
+                glyphId
+              });
+            }
+          }
+        } else if (format === 6) {
+          var firstCode = file.getUint16();
+          var entryCount = file.getUint16();
+
+          for (j = 0; j < entryCount; j++) {
+            glyphId = file.getUint16();
+            var charCode = firstCode + j;
+            mappings.push({
+              charCode,
+              glyphId
+            });
+          }
+        } else {
+          (0, _util.warn)("cmap table has unsupported format: " + format);
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        mappings.sort(function (a, b) {
+          return a.charCode - b.charCode;
+        });
+
+        for (i = 1; i < mappings.length; i++) {
+          if (mappings[i - 1].charCode === mappings[i].charCode) {
+            mappings.splice(i, 1);
+            i--;
+          }
+        }
+
+        return {
+          platformId: potentialTable.platformId,
+          encodingId: potentialTable.encodingId,
+          mappings,
+          hasShortCmap
+        };
+      }
+
+      function sanitizeMetrics(file, header, metrics, numGlyphs, dupFirstEntry) {
+        if (!header) {
+          if (metrics) {
+            metrics.data = null;
+          }
+
+          return;
+        }
+
+        file.pos = (file.start ? file.start : 0) + header.offset;
+        file.pos += 4;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 8;
+        file.pos += 2;
+        var numOfMetrics = file.getUint16();
+
+        if (numOfMetrics > numGlyphs) {
+          (0, _util.info)("The numOfMetrics (" + numOfMetrics + ") should not be " + "greater than the numGlyphs (" + numGlyphs + ")");
+          numOfMetrics = numGlyphs;
+          header.data[34] = (numOfMetrics & 0xff00) >> 8;
+          header.data[35] = numOfMetrics & 0x00ff;
+        }
+
+        var numOfSidebearings = numGlyphs - numOfMetrics;
+        var numMissing = numOfSidebearings - (metrics.length - numOfMetrics * 4 >> 1);
+
+        if (numMissing > 0) {
+          var entries = new Uint8Array(metrics.length + numMissing * 2);
+          entries.set(metrics.data);
+
+          if (dupFirstEntry) {
+            entries[metrics.length] = metrics.data[2];
+            entries[metrics.length + 1] = metrics.data[3];
+          }
+
+          metrics.data = entries;
+        }
+      }
+
+      function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, hintsValid) {
+        var glyphProfile = {
+          length: 0,
+          sizeOfInstructions: 0
+        };
+
+        if (sourceEnd - sourceStart <= 12) {
+          return glyphProfile;
+        }
+
+        var glyf = source.subarray(sourceStart, sourceEnd);
+        var contoursCount = signedInt16(glyf[0], glyf[1]);
+
+        if (contoursCount < 0) {
+          contoursCount = -1;
+          writeSignedInt16(glyf, 0, contoursCount);
+          dest.set(glyf, destStart);
+          glyphProfile.length = glyf.length;
+          return glyphProfile;
+        }
+
+        var i,
+            j = 10,
+            flagsCount = 0;
+
+        for (i = 0; i < contoursCount; i++) {
+          var endPoint = glyf[j] << 8 | glyf[j + 1];
+          flagsCount = endPoint + 1;
+          j += 2;
+        }
+
+        var instructionsStart = j;
+        var instructionsLength = glyf[j] << 8 | glyf[j + 1];
+        glyphProfile.sizeOfInstructions = instructionsLength;
+        j += 2 + instructionsLength;
+        var instructionsEnd = j;
+        var coordinatesLength = 0;
+
+        for (i = 0; i < flagsCount; i++) {
+          var flag = glyf[j++];
+
+          if (flag & 0xc0) {
+            glyf[j - 1] = flag & 0x3f;
+          }
+
+          let xLength = 2;
+
+          if (flag & 2) {
+            xLength = 1;
+          } else if (flag & 16) {
+            xLength = 0;
+          }
+
+          let yLength = 2;
+
+          if (flag & 4) {
+            yLength = 1;
+          } else if (flag & 32) {
+            yLength = 0;
+          }
+
+          const xyLength = xLength + yLength;
+          coordinatesLength += xyLength;
+
+          if (flag & 8) {
+            var repeat = glyf[j++];
+            i += repeat;
+            coordinatesLength += repeat * xyLength;
+          }
+        }
+
+        if (coordinatesLength === 0) {
+          return glyphProfile;
+        }
+
+        var glyphDataLength = j + coordinatesLength;
+
+        if (glyphDataLength > glyf.length) {
+          return glyphProfile;
+        }
+
+        if (!hintsValid && instructionsLength > 0) {
+          dest.set(glyf.subarray(0, instructionsStart), destStart);
+          dest.set([0, 0], destStart + instructionsStart);
+          dest.set(glyf.subarray(instructionsEnd, glyphDataLength), destStart + instructionsStart + 2);
+          glyphDataLength -= instructionsLength;
+
+          if (glyf.length - glyphDataLength > 3) {
+            glyphDataLength = glyphDataLength + 3 & ~3;
+          }
+
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        if (glyf.length - glyphDataLength > 3) {
+          glyphDataLength = glyphDataLength + 3 & ~3;
+          dest.set(glyf.subarray(0, glyphDataLength), destStart);
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        dest.set(glyf, destStart);
+        glyphProfile.length = glyf.length;
+        return glyphProfile;
+      }
+
+      function sanitizeHead(head, numGlyphs, locaLength) {
+        var data = head.data;
+        var version = int32(data[0], data[1], data[2], data[3]);
+
+        if (version >> 16 !== 1) {
+          (0, _util.info)("Attempting to fix invalid version in head table: " + version);
+          data[0] = 0;
+          data[1] = 1;
+          data[2] = 0;
+          data[3] = 0;
+        }
+
+        var indexToLocFormat = int16(data[50], data[51]);
+
+        if (indexToLocFormat < 0 || indexToLocFormat > 1) {
+          (0, _util.info)("Attempting to fix invalid indexToLocFormat in head table: " + indexToLocFormat);
+          var numGlyphsPlusOne = numGlyphs + 1;
+
+          if (locaLength === numGlyphsPlusOne << 1) {
+            data[50] = 0;
+            data[51] = 0;
+          } else if (locaLength === numGlyphsPlusOne << 2) {
+            data[50] = 0;
+            data[51] = 1;
+          } else {
+            throw new _util.FormatError("Could not fix indexToLocFormat: " + indexToLocFormat);
+          }
+        }
+      }
+
+      function sanitizeGlyphLocations(loca, glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions) {
+        var itemSize, itemDecode, itemEncode;
+
+        if (isGlyphLocationsLong) {
+          itemSize = 4;
+
+          itemDecode = function fontItemDecodeLong(data, offset) {
+            return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+          };
+
+          itemEncode = function fontItemEncodeLong(data, offset, value) {
+            data[offset] = value >>> 24 & 0xff;
+            data[offset + 1] = value >> 16 & 0xff;
+            data[offset + 2] = value >> 8 & 0xff;
+            data[offset + 3] = value & 0xff;
+          };
+        } else {
+          itemSize = 2;
+
+          itemDecode = function fontItemDecode(data, offset) {
+            return data[offset] << 9 | data[offset + 1] << 1;
+          };
+
+          itemEncode = function fontItemEncode(data, offset, value) {
+            data[offset] = value >> 9 & 0xff;
+            data[offset + 1] = value >> 1 & 0xff;
+          };
+        }
+
+        var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;
+        var locaDataSize = itemSize * (1 + numGlyphsOut);
+        var locaData = new Uint8Array(locaDataSize);
+        locaData.set(loca.data.subarray(0, locaDataSize));
+        loca.data = locaData;
+        var oldGlyfData = glyf.data;
+        var oldGlyfDataLength = oldGlyfData.length;
+        var newGlyfData = new Uint8Array(oldGlyfDataLength);
+        var i, j;
+        const locaEntries = [];
+
+        for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {
+          let offset = itemDecode(locaData, j);
+
+          if (offset > oldGlyfDataLength) {
+            offset = oldGlyfDataLength;
+          }
+
+          locaEntries.push({
+            index: i,
+            offset,
+            endOffset: 0
+          });
+        }
+
+        locaEntries.sort((a, b) => {
+          return a.offset - b.offset;
+        });
+
+        for (i = 0; i < numGlyphs; i++) {
+          locaEntries[i].endOffset = locaEntries[i + 1].offset;
+        }
+
+        locaEntries.sort((a, b) => {
+          return a.index - b.index;
+        });
+        var missingGlyphs = Object.create(null);
+        var writeOffset = 0;
+        itemEncode(locaData, 0, writeOffset);
+
+        for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {
+          var glyphProfile = sanitizeGlyph(oldGlyfData, locaEntries[i].offset, locaEntries[i].endOffset, newGlyfData, writeOffset, hintsValid);
+          var newLength = glyphProfile.length;
+
+          if (newLength === 0) {
+            missingGlyphs[i] = true;
+          }
+
+          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {
+            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;
+          }
+
+          writeOffset += newLength;
+          itemEncode(locaData, j, writeOffset);
+        }
+
+        if (writeOffset === 0) {
+          var simpleGlyph = new Uint8Array([0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]);
+
+          for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {
+            itemEncode(locaData, j, simpleGlyph.length);
+          }
+
+          glyf.data = simpleGlyph;
+        } else if (dupFirstEntry) {
+          var firstEntryLength = itemDecode(locaData, itemSize);
+
+          if (newGlyfData.length > firstEntryLength + writeOffset) {
+            glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);
+          } else {
+            glyf.data = new Uint8Array(firstEntryLength + writeOffset);
+            glyf.data.set(newGlyfData.subarray(0, writeOffset));
+          }
+
+          glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);
+          itemEncode(loca.data, locaData.length - itemSize, writeOffset + firstEntryLength);
+        } else {
+          glyf.data = newGlyfData.subarray(0, writeOffset);
+        }
+
+        return {
+          missingGlyphs,
+          maxSizeOfInstructions
+        };
+      }
+
+      function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {
+        var start = (font.start ? font.start : 0) + post.offset;
+        font.pos = start;
+        var length = post.length,
+            end = start + length;
+        var version = font.getInt32();
+        font.skip(28);
+        var glyphNames;
+        var valid = true;
+        var i;
+
+        switch (version) {
+          case 0x00010000:
+            glyphNames = MacStandardGlyphOrdering;
+            break;
+
+          case 0x00020000:
+            var numGlyphs = font.getUint16();
+
+            if (numGlyphs !== maxpNumGlyphs) {
+              valid = false;
+              break;
+            }
+
+            var glyphNameIndexes = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var index = font.getUint16();
+
+              if (index >= 32768) {
+                valid = false;
+                break;
+              }
+
+              glyphNameIndexes.push(index);
+            }
+
+            if (!valid) {
+              break;
+            }
+
+            var customNames = [];
+            var strBuf = [];
+
+            while (font.pos < end) {
+              var stringLength = font.getByte();
+              strBuf.length = stringLength;
+
+              for (i = 0; i < stringLength; ++i) {
+                strBuf[i] = String.fromCharCode(font.getByte());
+              }
+
+              customNames.push(strBuf.join(""));
+            }
+
+            glyphNames = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var j = glyphNameIndexes[i];
+
+              if (j < 258) {
+                glyphNames.push(MacStandardGlyphOrdering[j]);
+                continue;
+              }
+
+              glyphNames.push(customNames[j - 258]);
+            }
+
+            break;
+
+          case 0x00030000:
+            break;
+
+          default:
+            (0, _util.warn)("Unknown/unsupported post table version " + version);
+            valid = false;
+
+            if (propertiesObj.defaultEncoding) {
+              glyphNames = propertiesObj.defaultEncoding;
+            }
+
+            break;
+        }
+
+        propertiesObj.glyphNames = glyphNames;
+        return valid;
+      }
+
+      function readNameTable(nameTable) {
+        var start = (font.start ? font.start : 0) + nameTable.offset;
+        font.pos = start;
+        var names = [[], []];
+        var length = nameTable.length,
+            end = start + length;
+        var format = font.getUint16();
+        var FORMAT_0_HEADER_LENGTH = 6;
+
+        if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {
+          return names;
+        }
+
+        var numRecords = font.getUint16();
+        var stringsStart = font.getUint16();
+        var records = [];
+        var NAME_RECORD_LENGTH = 12;
+        var i, ii;
+
+        for (i = 0; i < numRecords && font.pos + NAME_RECORD_LENGTH <= end; i++) {
+          var r = {
+            platform: font.getUint16(),
+            encoding: font.getUint16(),
+            language: font.getUint16(),
+            name: font.getUint16(),
+            length: font.getUint16(),
+            offset: font.getUint16()
+          };
+
+          if (r.platform === 1 && r.encoding === 0 && r.language === 0 || r.platform === 3 && r.encoding === 1 && r.language === 0x409) {
+            records.push(r);
+          }
+        }
+
+        for (i = 0, ii = records.length; i < ii; i++) {
+          var record = records[i];
+
+          if (record.length <= 0) {
+            continue;
+          }
+
+          var pos = start + stringsStart + record.offset;
+
+          if (pos + record.length > end) {
+            continue;
+          }
+
+          font.pos = pos;
+          var nameIndex = record.name;
+
+          if (record.encoding) {
+            var str = "";
+
+            for (var j = 0, jj = record.length; j < jj; j += 2) {
+              str += String.fromCharCode(font.getUint16());
+            }
+
+            names[1][nameIndex] = str;
+          } else {
+            names[0][nameIndex] = (0, _util.bytesToString)(font.getBytes(record.length));
+          }
+        }
+
+        return names;
+      }
+
+      var TTOpsStackDeltas = [0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];
+
+      function sanitizeTTProgram(table, ttContext) {
+        var data = table.data;
+        var i = 0,
+            j,
+            n,
+            b,
+            funcId,
+            pc,
+            lastEndf = 0,
+            lastDeff = 0;
+        var stack = [];
+        var callstack = [];
+        var functionsCalled = [];
+        var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;
+        var inFDEF = false,
+            ifLevel = 0,
+            inELSE = 0;
+
+        for (var ii = data.length; i < ii;) {
+          var op = data[i++];
+
+          if (op === 0x40) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if (op === 0x41) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb0) {
+            n = op - 0xb0 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb8) {
+            n = op - 0xb8 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if (op === 0x2b && !tooComplexToFollowFunctions) {
+            if (!inFDEF && !inELSE) {
+              funcId = stack[stack.length - 1];
+
+              if (isNaN(funcId)) {
+                (0, _util.info)("TT: CALL empty stack (or invalid entry).");
+              } else {
+                ttContext.functionsUsed[funcId] = true;
+
+                if (funcId in ttContext.functionsStackDeltas) {
+                  const newStackLength = stack.length + ttContext.functionsStackDeltas[funcId];
+
+                  if (newStackLength < 0) {
+                    (0, _util.warn)("TT: CALL invalid functions stack delta.");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  stack.length = newStackLength;
+                } else if (funcId in ttContext.functionsDefined && !functionsCalled.includes(funcId)) {
+                  callstack.push({
+                    data,
+                    i,
+                    stackTop: stack.length - 1
+                  });
+                  functionsCalled.push(funcId);
+                  pc = ttContext.functionsDefined[funcId];
+
+                  if (!pc) {
+                    (0, _util.warn)("TT: CALL non-existent function");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  data = pc.data;
+                  i = pc.i;
+                }
+              }
+            }
+          } else if (op === 0x2c && !tooComplexToFollowFunctions) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested FDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+            funcId = stack.pop();
+            ttContext.functionsDefined[funcId] = {
+              data,
+              i
+            };
+          } else if (op === 0x2d) {
+            if (inFDEF) {
+              inFDEF = false;
+              lastEndf = i;
+            } else {
+              pc = callstack.pop();
+
+              if (!pc) {
+                (0, _util.warn)("TT: ENDF bad stack");
+                ttContext.hintsValid = false;
+                return;
+              }
+
+              funcId = functionsCalled.pop();
+              data = pc.data;
+              i = pc.i;
+              ttContext.functionsStackDeltas[funcId] = stack.length - pc.stackTop;
+            }
+          } else if (op === 0x89) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested IDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+          } else if (op === 0x58) {
+            ++ifLevel;
+          } else if (op === 0x1b) {
+            inELSE = ifLevel;
+          } else if (op === 0x59) {
+            if (inELSE === ifLevel) {
+              inELSE = 0;
+            }
+
+            --ifLevel;
+          } else if (op === 0x1c) {
+            if (!inFDEF && !inELSE) {
+              var offset = stack[stack.length - 1];
+
+              if (offset > 0) {
+                i += offset - 1;
+              }
+            }
+          }
+
+          if (!inFDEF && !inELSE) {
+            let stackDelta = 0;
+
+            if (op <= 0x8e) {
+              stackDelta = TTOpsStackDeltas[op];
+            } else if (op >= 0xc0 && op <= 0xdf) {
+              stackDelta = -1;
+            } else if (op >= 0xe0) {
+              stackDelta = -2;
+            }
+
+            if (op >= 0x71 && op <= 0x75) {
+              n = stack.pop();
+
+              if (!isNaN(n)) {
+                stackDelta = -n * 2;
+              }
+            }
+
+            while (stackDelta < 0 && stack.length > 0) {
+              stack.pop();
+              stackDelta++;
+            }
+
+            while (stackDelta > 0) {
+              stack.push(NaN);
+              stackDelta--;
+            }
+          }
+        }
+
+        ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;
+        var content = [data];
+
+        if (i > data.length) {
+          content.push(new Uint8Array(i - data.length));
+        }
+
+        if (lastDeff > lastEndf) {
+          (0, _util.warn)("TT: complementing a missing function tail");
+          content.push(new Uint8Array([0x22, 0x2d]));
+        }
+
+        foldTTTable(table, content);
+      }
+
+      function checkInvalidFunctions(ttContext, maxFunctionDefs) {
+        if (ttContext.tooComplexToFollowFunctions) {
+          return;
+        }
+
+        if (ttContext.functionsDefined.length > maxFunctionDefs) {
+          (0, _util.warn)("TT: more functions defined than expected");
+          ttContext.hintsValid = false;
+          return;
+        }
+
+        for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {
+          if (j > maxFunctionDefs) {
+            (0, _util.warn)("TT: invalid function id: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+
+          if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {
+            (0, _util.warn)("TT: undefined function: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+        }
+      }
+
+      function foldTTTable(table, content) {
+        if (content.length > 1) {
+          var newLength = 0;
+          var j, jj;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            newLength += content[j].length;
+          }
+
+          newLength = newLength + 3 & ~3;
+          var result = new Uint8Array(newLength);
+          var pos = 0;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            result.set(content[j], pos);
+            pos += content[j].length;
+          }
+
+          table.data = result;
+          table.length = newLength;
+        }
+      }
+
+      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {
+        var ttContext = {
+          functionsDefined: [],
+          functionsUsed: [],
+          functionsStackDeltas: [],
+          tooComplexToFollowFunctions: false,
+          hintsValid: true
+        };
+
+        if (fpgm) {
+          sanitizeTTProgram(fpgm, ttContext);
+        }
+
+        if (prep) {
+          sanitizeTTProgram(prep, ttContext);
+        }
+
+        if (fpgm) {
+          checkInvalidFunctions(ttContext, maxFunctionDefs);
+        }
+
+        if (cvt && cvt.length & 1) {
+          var cvtData = new Uint8Array(cvt.length + 1);
+          cvtData.set(cvt.data);
+          cvt.data = cvtData;
+        }
+
+        return ttContext.hintsValid;
+      }
+
+      font = new _stream.Stream(new Uint8Array(font.getBytes()));
+      let header, tables;
+
+      if (isTrueTypeCollectionFile(font)) {
+        const ttcData = readTrueTypeCollectionData(font, this.name);
+        header = ttcData.header;
+        tables = ttcData.tables;
+      } else {
+        header = readOpenTypeHeader(font);
+        tables = readTables(font, header.numTables);
+      }
+
+      let cff, cffFile;
+      var isTrueType = !tables["CFF "];
+
+      if (!isTrueType) {
+        const isComposite = properties.composite && ((properties.cidToGidMap || []).length > 0 || !(properties.cMap instanceof _cmap.IdentityCMap));
+
+        if (header.version === "OTTO" && !isComposite || !tables.head || !tables.hhea || !tables.maxp || !tables.post) {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          cff = new CFFFont(cffFile, properties);
+          adjustWidths(properties);
+          return this.convert(name, cff, properties);
+        }
+
+        delete tables.glyf;
+        delete tables.loca;
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+        this.isOpenType = true;
+      } else {
+        if (!tables.loca) {
+          throw new _util.FormatError('Required "loca" table is not found');
+        }
+
+        if (!tables.glyf) {
+          (0, _util.warn)('Required "glyf" table is not found -- trying to recover.');
+          tables.glyf = {
+            tag: "glyf",
+            data: new Uint8Array(0)
+          };
+        }
+
+        this.isOpenType = false;
+      }
+
+      if (!tables.maxp) {
+        throw new _util.FormatError('Required "maxp" table is not found');
+      }
+
+      font.pos = (font.start || 0) + tables.maxp.offset;
+      var version = font.getInt32();
+      const numGlyphs = font.getUint16();
+      let numGlyphsOut = numGlyphs + 1;
+      let dupFirstEntry = true;
+
+      if (numGlyphsOut > 0xffff) {
+        dupFirstEntry = false;
+        numGlyphsOut = numGlyphs;
+        (0, _util.warn)("Not enough space in glyfs to duplicate first glyph.");
+      }
+
+      var maxFunctionDefs = 0;
+      var maxSizeOfInstructions = 0;
+
+      if (version >= 0x00010000 && tables.maxp.length >= 22) {
+        font.pos += 8;
+        var maxZones = font.getUint16();
+
+        if (maxZones > 2) {
+          tables.maxp.data[14] = 0;
+          tables.maxp.data[15] = 2;
+        }
+
+        font.pos += 4;
+        maxFunctionDefs = font.getUint16();
+        font.pos += 4;
+        maxSizeOfInstructions = font.getUint16();
+      }
+
+      tables.maxp.data[4] = numGlyphsOut >> 8;
+      tables.maxp.data[5] = numGlyphsOut & 255;
+      var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, tables["cvt "], maxFunctionDefs);
+
+      if (!hintsValid) {
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+      }
+
+      sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphsOut, dupFirstEntry);
+
+      if (!tables.head) {
+        throw new _util.FormatError('Required "head" table is not found');
+      }
+
+      sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);
+      var missingGlyphs = Object.create(null);
+
+      if (isTrueType) {
+        var isGlyphLocationsLong = int16(tables.head.data[50], tables.head.data[51]);
+        var glyphsInfo = sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions);
+        missingGlyphs = glyphsInfo.missingGlyphs;
+
+        if (version >= 0x00010000 && tables.maxp.length >= 22) {
+          tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;
+          tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;
+        }
+      }
+
+      if (!tables.hhea) {
+        throw new _util.FormatError('Required "hhea" table is not found');
+      }
+
+      if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {
+        tables.hhea.data[10] = 0xff;
+        tables.hhea.data[11] = 0xff;
+      }
+
+      var metricsOverride = {
+        unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),
+        yMax: int16(tables.head.data[42], tables.head.data[43]),
+        yMin: signedInt16(tables.head.data[38], tables.head.data[39]),
+        ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),
+        descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7])
+      };
+      this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;
+      this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;
+
+      if (tables.post) {
+        readPostScriptTable(tables.post, properties, numGlyphs);
+      }
+
+      tables.post = {
+        tag: "post",
+        data: createPostTable(properties)
+      };
+      const charCodeToGlyphId = [];
+
+      function hasGlyph(glyphId) {
+        return !missingGlyphs[glyphId];
+      }
+
+      if (properties.composite) {
+        var cidToGidMap = properties.cidToGidMap || [];
+        var isCidToGidMapEmpty = cidToGidMap.length === 0;
+        properties.cMap.forEach(function (charCode, cid) {
+          if (cid > 0xffff) {
+            throw new _util.FormatError("Max size of CID is 65,535");
+          }
+
+          var glyphId = -1;
+
+          if (isCidToGidMapEmpty) {
+            glyphId = cid;
+          } else if (cidToGidMap[cid] !== undefined) {
+            glyphId = cidToGidMap[cid];
+          }
+
+          if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        });
+      } else {
+        var cmapTable = readCmapTable(tables.cmap, font, this.isSymbolicFont, properties.hasEncoding);
+        var cmapPlatformId = cmapTable.platformId;
+        var cmapEncodingId = cmapTable.encodingId;
+        var cmapMappings = cmapTable.mappings;
+        var cmapMappingsLength = cmapMappings.length;
+        let baseEncoding = [];
+
+        if (properties.hasEncoding && (properties.baseEncodingName === "MacRomanEncoding" || properties.baseEncodingName === "WinAnsiEncoding")) {
+          baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+        }
+
+        if (properties.hasEncoding && !this.isSymbolicFont && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0)) {
+          var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+          for (let charCode = 0; charCode < 256; charCode++) {
+            var glyphName, standardGlyphName;
+
+            if (this.differences && charCode in this.differences) {
+              glyphName = this.differences[charCode];
+            } else if (charCode in baseEncoding && baseEncoding[charCode] !== "") {
+              glyphName = baseEncoding[charCode];
+            } else {
+              glyphName = _encodings.StandardEncoding[charCode];
+            }
+
+            if (!glyphName) {
+              continue;
+            }
+
+            standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+            var unicodeOrCharCode;
+
+            if (cmapPlatformId === 3 && cmapEncodingId === 1) {
+              unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];
+            } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {
+              unicodeOrCharCode = _encodings.MacRomanEncoding.indexOf(standardGlyphName);
+            }
+
+            for (let i = 0; i < cmapMappingsLength; ++i) {
+              if (cmapMappings[i].charCode !== unicodeOrCharCode) {
+                continue;
+              }
+
+              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
+              break;
+            }
+          }
+        } else if (cmapPlatformId === 0) {
+          for (let i = 0; i < cmapMappingsLength; ++i) {
+            charCodeToGlyphId[cmapMappings[i].charCode] = cmapMappings[i].glyphId;
+          }
+        } else {
+          for (let i = 0; i < cmapMappingsLength; ++i) {
+            let charCode = cmapMappings[i].charCode;
+
+            if (cmapPlatformId === 3 && charCode >= 0xf000 && charCode <= 0xf0ff) {
+              charCode &= 0xff;
+            }
+
+            charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
+          }
+        }
+
+        if (properties.glyphNames && baseEncoding.length) {
+          for (let i = 0; i < 256; ++i) {
+            if (charCodeToGlyphId[i] === undefined && baseEncoding[i]) {
+              glyphName = baseEncoding[i];
+              const glyphId = properties.glyphNames.indexOf(glyphName);
+
+              if (glyphId > 0 && hasGlyph(glyphId)) {
+                charCodeToGlyphId[i] = glyphId;
+              }
+            }
+          }
+        }
+      }
+
+      if (charCodeToGlyphId.length === 0) {
+        charCodeToGlyphId[0] = 0;
+      }
+
+      let glyphZeroId = numGlyphsOut - 1;
+
+      if (!dupFirstEntry) {
+        glyphZeroId = 0;
+      }
+
+      var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      tables.cmap = {
+        tag: "cmap",
+        data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut)
+      };
+
+      if (!tables["OS/2"] || !validateOS2Table(tables["OS/2"], font)) {
+        tables["OS/2"] = {
+          tag: "OS/2",
+          data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride)
+        };
+      }
+
+      if (!isTrueType) {
+        try {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          var parser = new _cff_parser.CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED);
+          cff = parser.parse();
+          cff.duplicateFirstGlyph();
+          var compiler = new _cff_parser.CFFCompiler(cff);
+          tables["CFF "].data = compiler.compile();
+        } catch (e) {
+          (0, _util.warn)("Failed to compile font " + properties.loadedName);
+        }
+      }
+
+      if (!tables.name) {
+        tables.name = {
+          tag: "name",
+          data: createNameTable(this.name)
+        };
+      } else {
+        var namePrototype = readNameTable(tables.name);
+        tables.name.data = createNameTable(name, namePrototype);
+      }
+
+      var builder = new OpenTypeFileBuilder(header.version);
+
+      for (var tableTag in tables) {
+        builder.addTable(tableTag, tables[tableTag].data);
+      }
+
+      return builder.toArray();
+    },
+    convert: function Font_convert(fontName, font, properties) {
+      properties.fixedPitch = false;
+
+      if (properties.builtInEncoding) {
+        adjustToUnicode(properties, properties.builtInEncoding);
+      }
+
+      let glyphZeroId = 1;
+
+      if (font instanceof CFFFont) {
+        glyphZeroId = font.numGlyphs - 1;
+      }
+
+      var mapping = font.getGlyphMapping(properties);
+      var newMapping = adjustMapping(mapping, font.hasGlyphId.bind(font), glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      var numGlyphs = font.numGlyphs;
+
+      function getCharCodes(charCodeToGlyphId, glyphId) {
+        var charCodes = null;
+
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            if (!charCodes) {
+              charCodes = [];
+            }
+
+            charCodes.push(charCode | 0);
+          }
+        }
+
+        return charCodes;
+      }
+
+      function createCharCode(charCodeToGlyphId, glyphId) {
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            return charCode | 0;
+          }
+        }
+
+        newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = glyphId;
+        return newMapping.nextAvailableFontCharCode++;
+      }
+
+      var seacs = font.seacs;
+
+      if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {
+        var matrix = properties.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+        var charset = font.getCharset();
+        var seacMap = Object.create(null);
+
+        for (var glyphId in seacs) {
+          glyphId |= 0;
+          var seac = seacs[glyphId];
+          var baseGlyphName = _encodings.StandardEncoding[seac[2]];
+          var accentGlyphName = _encodings.StandardEncoding[seac[3]];
+          var baseGlyphId = charset.indexOf(baseGlyphName);
+          var accentGlyphId = charset.indexOf(accentGlyphName);
+
+          if (baseGlyphId < 0 || accentGlyphId < 0) {
+            continue;
+          }
+
+          var accentOffset = {
+            x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],
+            y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5]
+          };
+          var charCodes = getCharCodes(mapping, glyphId);
+
+          if (!charCodes) {
+            continue;
+          }
+
+          for (let i = 0, ii = charCodes.length; i < ii; i++) {
+            var charCode = charCodes[i];
+            var charCodeToGlyphId = newMapping.charCodeToGlyphId;
+            var baseFontCharCode = createCharCode(charCodeToGlyphId, baseGlyphId);
+            var accentFontCharCode = createCharCode(charCodeToGlyphId, accentGlyphId);
+            seacMap[charCode] = {
+              baseFontCharCode,
+              accentFontCharCode,
+              accentOffset
+            };
+          }
+        }
+
+        properties.seacMap = seacMap;
+      }
+
+      var unitsPerEm = 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+      var builder = new OpenTypeFileBuilder("\x4F\x54\x54\x4F");
+      builder.addTable("CFF ", font.data);
+      builder.addTable("OS/2", createOS2Table(properties, newMapping.charCodeToGlyphId));
+      builder.addTable("cmap", createCmapTable(newMapping.charCodeToGlyphId, numGlyphs));
+      builder.addTable("head", "\x00\x01\x00\x00" + "\x00\x00\x10\x00" + "\x00\x00\x00\x00" + "\x5F\x0F\x3C\xF5" + "\x00\x00" + safeString16(unitsPerEm) + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00" + safeString16(properties.descent) + "\x0F\xFF" + safeString16(properties.ascent) + string16(properties.italicAngle ? 2 : 0) + "\x00\x11" + "\x00\x00" + "\x00\x00" + "\x00\x00");
+      builder.addTable("hhea", "\x00\x01\x00\x00" + safeString16(properties.ascent) + safeString16(properties.descent) + "\x00\x00" + "\xFF\xFF" + "\x00\x00" + "\x00\x00" + "\x00\x00" + safeString16(properties.capHeight) + safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + string16(numGlyphs));
+      builder.addTable("hmtx", function fontFieldsHmtx() {
+        var charstrings = font.charstrings;
+        var cffWidths = font.cff ? font.cff.widths : null;
+        var hmtx = "\x00\x00\x00\x00";
+
+        for (let i = 1, ii = numGlyphs; i < ii; i++) {
+          var width = 0;
+
+          if (charstrings) {
+            var charstring = charstrings[i - 1];
+            width = "width" in charstring ? charstring.width : 0;
+          } else if (cffWidths) {
+            width = Math.ceil(cffWidths[i] || 0);
+          }
+
+          hmtx += string16(width) + string16(0);
+        }
+
+        return hmtx;
+      }());
+      builder.addTable("maxp", "\x00\x00\x50\x00" + string16(numGlyphs));
+      builder.addTable("name", createNameTable(fontName));
+      builder.addTable("post", createPostTable(properties));
+      return builder.toArray();
+    },
+
+    get spaceWidth() {
+      var possibleSpaceReplacements = ["space", "minus", "one", "i", "I"];
+      var width;
+
+      for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
+        var glyphName = possibleSpaceReplacements[i];
+
+        if (glyphName in this.widths) {
+          width = this.widths[glyphName];
+          break;
+        }
+
+        var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        var glyphUnicode = glyphsUnicodeMap[glyphName];
+        var charcode = 0;
+
+        if (this.composite && this.cMap.contains(glyphUnicode)) {
+          charcode = this.cMap.lookup(glyphUnicode);
+        }
+
+        if (!charcode && this.toUnicode) {
+          charcode = this.toUnicode.charCodeOf(glyphUnicode);
+        }
+
+        if (charcode <= 0) {
+          charcode = glyphUnicode;
+        }
+
+        width = this.widths[charcode];
+
+        if (width) {
+          break;
+        }
+      }
+
+      width = width || this.defaultWidth;
+      return (0, _util.shadow)(this, "spaceWidth", width);
+    },
+
+    charToGlyph: function Font_charToGlyph(charcode, isSpace) {
+      var fontCharCode, width, operatorListId;
+      var widthCode = charcode;
+
+      if (this.cMap && this.cMap.contains(charcode)) {
+        widthCode = this.cMap.lookup(charcode);
+      }
+
+      width = this.widths[widthCode];
+      width = (0, _util.isNum)(width) ? width : this.defaultWidth;
+      var vmetric = this.vmetrics && this.vmetrics[widthCode];
+      let unicode = this.toUnicode.get(charcode) || this.fallbackToUnicode.get(charcode) || charcode;
+
+      if (typeof unicode === "number") {
+        unicode = String.fromCharCode(unicode);
+      }
+
+      var isInFont = (charcode in this.toFontChar);
+      fontCharCode = this.toFontChar[charcode] || charcode;
+
+      if (this.missingFile) {
+        const glyphName = this.differences[charcode] || this.defaultEncoding[charcode];
+
+        if ((glyphName === ".notdef" || glyphName === "") && this.type === "Type1") {
+          fontCharCode = 0x20;
+        }
+
+        fontCharCode = (0, _unicode.mapSpecialUnicodeValues)(fontCharCode);
+      }
+
+      if (this.isType3Font) {
+        operatorListId = fontCharCode;
+      }
+
+      var accent = null;
+
+      if (this.seacMap && this.seacMap[charcode]) {
+        isInFont = true;
+        var seac = this.seacMap[charcode];
+        fontCharCode = seac.baseFontCharCode;
+        accent = {
+          fontChar: String.fromCodePoint(seac.accentFontCharCode),
+          offset: seac.accentOffset
+        };
+      }
+
+      let fontChar = "";
+
+      if (typeof fontCharCode === "number") {
+        if (fontCharCode <= 0x10ffff) {
+          fontChar = String.fromCodePoint(fontCharCode);
+        } else {
+          (0, _util.warn)(`charToGlyph - invalid fontCharCode: ${fontCharCode}`);
+        }
+      }
+
+      var glyph = this.glyphCache[charcode];
+
+      if (!glyph || !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont)) {
+        glyph = new Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont);
+        this.glyphCache[charcode] = glyph;
+      }
+
+      return glyph;
+    },
+    charsToGlyphs: function Font_charsToGlyphs(chars) {
+      var charsCache = this.charsCache;
+      var glyphs, glyph, charcode;
+
+      if (charsCache) {
+        glyphs = charsCache[chars];
+
+        if (glyphs) {
+          return glyphs;
+        }
+      }
+
+      if (!charsCache) {
+        charsCache = this.charsCache = Object.create(null);
+      }
+
+      glyphs = [];
+      var charsCacheKey = chars;
+      var i = 0,
+          ii;
+
+      if (this.cMap) {
+        var c = Object.create(null);
+
+        while (i < chars.length) {
+          this.cMap.readCharCode(chars, i, c);
+          charcode = c.charcode;
+          var length = c.length;
+          i += length;
+          var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;
+          glyph = this.charToGlyph(charcode, isSpace);
+          glyphs.push(glyph);
+        }
+      } else {
+        for (i = 0, ii = chars.length; i < ii; ++i) {
+          charcode = chars.charCodeAt(i);
+          glyph = this.charToGlyph(charcode, charcode === 0x20);
+          glyphs.push(glyph);
+        }
+      }
+
+      return charsCache[charsCacheKey] = glyphs;
+    },
+
+    get glyphCacheValues() {
+      return Object.values(this.glyphCache);
+    }
+
+  };
+  return Font;
+}();
+
+exports.Font = Font;
+
+var ErrorFont = function ErrorFontClosure() {
+  function ErrorFont(error) {
+    this.error = error;
+    this.loadedName = "g_font_error";
+    this.missingFile = true;
+  }
+
+  ErrorFont.prototype = {
+    charsToGlyphs: function ErrorFont_charsToGlyphs() {
+      return [];
+    },
+
+    exportData(extraProperties = false) {
+      return {
+        error: this.error
+      };
+    }
+
+  };
+  return ErrorFont;
+}();
+
+exports.ErrorFont = ErrorFont;
+
+function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {
+  var charCodeToGlyphId = Object.create(null);
+  var glyphId, charCode, baseEncoding;
+  var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+
+  if (properties.baseEncodingName) {
+    baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  } else if (isSymbolicFont) {
+    for (charCode in builtInEncoding) {
+      charCodeToGlyphId[charCode] = builtInEncoding[charCode];
+    }
+  } else {
+    baseEncoding = _encodings.StandardEncoding;
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  var differences = properties.differences,
+      glyphsUnicodeMap;
+
+  if (differences) {
+    for (charCode in differences) {
+      var glyphName = differences[charCode];
+      glyphId = glyphNames.indexOf(glyphName);
+
+      if (glyphId === -1) {
+        if (!glyphsUnicodeMap) {
+          glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        }
+
+        var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+
+        if (standardGlyphName !== glyphName) {
+          glyphId = glyphNames.indexOf(standardGlyphName);
+        }
+      }
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  return charCodeToGlyphId;
+}
+
+var Type1Font = function Type1FontClosure() {
+  function findBlock(streamBytes, signature, startIndex) {
+    var streamBytesLength = streamBytes.length;
+    var signatureLength = signature.length;
+    var scanLength = streamBytesLength - signatureLength;
+    var i = startIndex,
+        j,
+        found = false;
+
+    while (i < scanLength) {
+      j = 0;
+
+      while (j < signatureLength && streamBytes[i + j] === signature[j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        i += j;
+
+        while (i < streamBytesLength && (0, _core_utils.isWhiteSpace)(streamBytes[i])) {
+          i++;
+        }
+
+        found = true;
+        break;
+      }
+
+      i++;
+    }
+
+    return {
+      found,
+      length: i
+    };
+  }
+
+  function getHeaderBlock(stream, suggestedLength) {
+    var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];
+    var streamStartPos = stream.pos;
+    var headerBytes, headerBytesLength, block;
+
+    try {
+      headerBytes = stream.getBytes(suggestedLength);
+      headerBytesLength = headerBytes.length;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+    }
+
+    if (headerBytesLength === suggestedLength) {
+      block = findBlock(headerBytes, EEXEC_SIGNATURE, suggestedLength - 2 * EEXEC_SIGNATURE.length);
+
+      if (block.found && block.length === suggestedLength) {
+        return {
+          stream: new _stream.Stream(headerBytes),
+          length: suggestedLength
+        };
+      }
+    }
+
+    (0, _util.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');
+    stream.pos = streamStartPos;
+    var SCAN_BLOCK_LENGTH = 2048;
+    var actualLength;
+
+    while (true) {
+      var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+      block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);
+
+      if (block.length === 0) {
+        break;
+      }
+
+      stream.pos += block.length;
+
+      if (block.found) {
+        actualLength = stream.pos - streamStartPos;
+        break;
+      }
+    }
+
+    stream.pos = streamStartPos;
+
+    if (actualLength) {
+      return {
+        stream: new _stream.Stream(stream.getBytes(actualLength)),
+        length: actualLength
+      };
+    }
+
+    (0, _util.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');
+    return {
+      stream: new _stream.Stream(stream.getBytes(suggestedLength)),
+      length: suggestedLength
+    };
+  }
+
+  function getEexecBlock(stream, suggestedLength) {
+    var eexecBytes = stream.getBytes();
+    return {
+      stream: new _stream.Stream(eexecBytes),
+      length: eexecBytes.length
+    };
+  }
+
+  function Type1Font(name, file, properties) {
+    var PFB_HEADER_SIZE = 6;
+    var headerBlockLength = properties.length1;
+    var eexecBlockLength = properties.length2;
+    var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);
+    var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;
+
+    if (pfbHeaderPresent) {
+      file.skip(PFB_HEADER_SIZE);
+      headerBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var headerBlock = getHeaderBlock(file, headerBlockLength);
+    var headerBlockParser = new _type1_parser.Type1Parser(headerBlock.stream, false, SEAC_ANALYSIS_ENABLED);
+    headerBlockParser.extractFontHeader(properties);
+
+    if (pfbHeaderPresent) {
+      pfbHeader = file.getBytes(PFB_HEADER_SIZE);
+      eexecBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var eexecBlock = getEexecBlock(file, eexecBlockLength);
+    var eexecBlockParser = new _type1_parser.Type1Parser(eexecBlock.stream, true, SEAC_ANALYSIS_ENABLED);
+    var data = eexecBlockParser.extractFontProgram(properties);
+
+    for (const key in data.properties) {
+      properties[key] = data.properties[key];
+    }
+
+    var charstrings = data.charstrings;
+    var type2Charstrings = this.getType2Charstrings(charstrings);
+    var subrs = this.getType2Subrs(data.subrs);
+    this.charstrings = charstrings;
+    this.data = this.wrap(name, type2Charstrings, this.charstrings, subrs, properties);
+    this.seacs = this.getSeacs(data.charstrings);
+  }
+
+  Type1Font.prototype = {
+    get numGlyphs() {
+      return this.charstrings.length + 1;
+    },
+
+    getCharset: function Type1Font_getCharset() {
+      var charset = [".notdef"];
+      var charstrings = this.charstrings;
+
+      for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        charset.push(charstrings[glyphId].glyphName);
+      }
+
+      return charset;
+    },
+    getGlyphMapping: function Type1Font_getGlyphMapping(properties) {
+      var charstrings = this.charstrings;
+
+      if (properties.composite) {
+        const charCodeToGlyphId = Object.create(null);
+
+        for (let glyphId = 0, charstringsLen = charstrings.length; glyphId < charstringsLen; glyphId++) {
+          const charCode = properties.cMap.charCodeOf(glyphId);
+          charCodeToGlyphId[charCode] = glyphId + 1;
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var glyphNames = [".notdef"],
+          glyphId;
+
+      for (glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        glyphNames.push(charstrings[glyphId].glyphName);
+      }
+
+      var encoding = properties.builtInEncoding;
+
+      if (encoding) {
+        var builtInEncoding = Object.create(null);
+
+        for (var charCode in encoding) {
+          glyphId = glyphNames.indexOf(encoding[charCode]);
+
+          if (glyphId >= 0) {
+            builtInEncoding[charCode] = glyphId;
+          }
+        }
+      }
+
+      return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);
+    },
+    hasGlyphId: function Type1Font_hasGlyphID(id) {
+      if (id < 0 || id >= this.numGlyphs) {
+        return false;
+      }
+
+      if (id === 0) {
+        return true;
+      }
+
+      var glyph = this.charstrings[id - 1];
+      return glyph.charstring.length > 0;
+    },
+    getSeacs: function Type1Font_getSeacs(charstrings) {
+      var i, ii;
+      var seacMap = [];
+
+      for (i = 0, ii = charstrings.length; i < ii; i++) {
+        var charstring = charstrings[i];
+
+        if (charstring.seac) {
+          seacMap[i + 1] = charstring.seac;
+        }
+      }
+
+      return seacMap;
+    },
+    getType2Charstrings: function Type1Font_getType2Charstrings(type1Charstrings) {
+      var type2Charstrings = [];
+
+      for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {
+        type2Charstrings.push(type1Charstrings[i].charstring);
+      }
+
+      return type2Charstrings;
+    },
+    getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
+      var bias = 0;
+      var count = type1Subrs.length;
+
+      if (count < 1133) {
+        bias = 107;
+      } else if (count < 33769) {
+        bias = 1131;
+      } else {
+        bias = 32768;
+      }
+
+      var type2Subrs = [];
+      var i;
+
+      for (i = 0; i < bias; i++) {
+        type2Subrs.push([0x0b]);
+      }
+
+      for (i = 0; i < count; i++) {
+        type2Subrs.push(type1Subrs[i]);
+      }
+
+      return type2Subrs;
+    },
+    wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) {
+      var cff = new _cff_parser.CFF();
+      cff.header = new _cff_parser.CFFHeader(1, 0, 4, 4);
+      cff.names = [name];
+      var topDict = new _cff_parser.CFFTopDict();
+      topDict.setByName("version", 391);
+      topDict.setByName("Notice", 392);
+      topDict.setByName("FullName", 393);
+      topDict.setByName("FamilyName", 394);
+      topDict.setByName("Weight", 395);
+      topDict.setByName("Encoding", null);
+      topDict.setByName("FontMatrix", properties.fontMatrix);
+      topDict.setByName("FontBBox", properties.bbox);
+      topDict.setByName("charset", null);
+      topDict.setByName("CharStrings", null);
+      topDict.setByName("Private", null);
+      cff.topDict = topDict;
+      var strings = new _cff_parser.CFFStrings();
+      strings.add("Version 0.11");
+      strings.add("See original notice");
+      strings.add(name);
+      strings.add(name);
+      strings.add("Medium");
+      cff.strings = strings;
+      cff.globalSubrIndex = new _cff_parser.CFFIndex();
+      var count = glyphs.length;
+      var charsetArray = [".notdef"];
+      var i, ii;
+
+      for (i = 0; i < count; i++) {
+        const glyphName = charstrings[i].glyphName;
+
+        const index = _cff_parser.CFFStandardStrings.indexOf(glyphName);
+
+        if (index === -1) {
+          strings.add(glyphName);
+        }
+
+        charsetArray.push(glyphName);
+      }
+
+      cff.charset = new _cff_parser.CFFCharset(false, 0, charsetArray);
+      var charStringsIndex = new _cff_parser.CFFIndex();
+      charStringsIndex.add([0x8b, 0x0e]);
+
+      for (i = 0; i < count; i++) {
+        charStringsIndex.add(glyphs[i]);
+      }
+
+      cff.charStrings = charStringsIndex;
+      var privateDict = new _cff_parser.CFFPrivateDict();
+      privateDict.setByName("Subrs", null);
+      var fields = ["BlueValues", "OtherBlues", "FamilyBlues", "FamilyOtherBlues", "StemSnapH", "StemSnapV", "BlueShift", "BlueFuzz", "BlueScale", "LanguageGroup", "ExpansionFactor", "ForceBold", "StdHW", "StdVW"];
+
+      for (i = 0, ii = fields.length; i < ii; i++) {
+        var field = fields[i];
+
+        if (!(field in properties.privateData)) {
+          continue;
+        }
+
+        var value = properties.privateData[field];
+
+        if (Array.isArray(value)) {
+          for (var j = value.length - 1; j > 0; j--) {
+            value[j] -= value[j - 1];
+          }
+        }
+
+        privateDict.setByName(field, value);
+      }
+
+      cff.topDict.privateDict = privateDict;
+      var subrIndex = new _cff_parser.CFFIndex();
+
+      for (i = 0, ii = subrs.length; i < ii; i++) {
+        subrIndex.add(subrs[i]);
+      }
+
+      privateDict.subrsIndex = subrIndex;
+      var compiler = new _cff_parser.CFFCompiler(cff);
+      return compiler.compile();
+    }
+  };
+  return Type1Font;
+}();
+
+var CFFFont = function CFFFontClosure() {
+  function CFFFont(file, properties) {
+    this.properties = properties;
+    var parser = new _cff_parser.CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);
+    this.cff = parser.parse();
+    this.cff.duplicateFirstGlyph();
+    var compiler = new _cff_parser.CFFCompiler(this.cff);
+    this.seacs = this.cff.seacs;
+
+    try {
+      this.data = compiler.compile();
+    } catch (e) {
+      (0, _util.warn)("Failed to compile font " + properties.loadedName);
+      this.data = file;
+    }
+  }
+
+  CFFFont.prototype = {
+    get numGlyphs() {
+      return this.cff.charStrings.count;
+    },
+
+    getCharset: function CFFFont_getCharset() {
+      return this.cff.charset.charset;
+    },
+    getGlyphMapping: function CFFFont_getGlyphMapping() {
+      var cff = this.cff;
+      var properties = this.properties;
+      var charsets = cff.charset.charset;
+      var charCodeToGlyphId;
+      var glyphId;
+
+      if (properties.composite) {
+        charCodeToGlyphId = Object.create(null);
+        let charCode;
+
+        if (cff.isCIDFont) {
+          for (glyphId = 0; glyphId < charsets.length; glyphId++) {
+            var cid = charsets[glyphId];
+            charCode = properties.cMap.charCodeOf(cid);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        } else {
+          for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
+            charCode = properties.cMap.charCodeOf(glyphId);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var encoding = cff.encoding ? cff.encoding.encoding : null;
+      charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);
+      return charCodeToGlyphId;
+    },
+    hasGlyphId: function CFFFont_hasGlyphID(id) {
+      return this.cff.hasGlyphId(id);
+    }
+  };
+  return CFFFont;
+}();
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CFFFDSelect = exports.CFFCompiler = exports.CFFPrivateDict = exports.CFFTopDict = exports.CFFCharset = exports.CFFIndex = exports.CFFStrings = exports.CFFHeader = exports.CFF = exports.CFFParser = exports.CFFStandardStrings = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _charsets = __w_pdfjs_require__(32);
+
+var _encodings = __w_pdfjs_require__(33);
+
+var MAX_SUBR_NESTING = 10;
+var CFFStandardStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003", "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold"];
+exports.CFFStandardStrings = CFFStandardStrings;
+const NUM_STANDARD_CFF_STRINGS = 391;
+
+var CFFParser = function CFFParserClosure() {
+  var CharstringValidationData = [null, {
+    id: "hstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, null, {
+    id: "vstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "vmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "rlineto",
+    min: 2,
+    resetStack: true
+  }, {
+    id: "hlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "vlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "rrcurveto",
+    min: 6,
+    resetStack: true
+  }, null, {
+    id: "callsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "return",
+    min: 0,
+    undefStack: true
+  }, null, null, {
+    id: "endchar",
+    min: 0,
+    stackClearing: true
+  }, null, null, null, {
+    id: "hstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "hintmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "cntrmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "rmoveto",
+    min: 2,
+    stackClearing: true
+  }, {
+    id: "hmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "vstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "rcurveline",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "rlinecurve",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "vvcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hhcurveto",
+    min: 4,
+    resetStack: true
+  }, null, {
+    id: "callgsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "vhcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hvcurveto",
+    min: 4,
+    resetStack: true
+  }];
+  var CharstringValidationData12 = [null, null, null, {
+    id: "and",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "or",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "not",
+    min: 1,
+    stackDelta: 0
+  }, null, null, null, {
+    id: "abs",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "add",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] + stack[index - 1];
+    }
+  }, {
+    id: "sub",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] - stack[index - 1];
+    }
+  }, {
+    id: "div",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] / stack[index - 1];
+    }
+  }, null, {
+    id: "neg",
+    min: 1,
+    stackDelta: 0,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 1] = -stack[index - 1];
+    }
+  }, {
+    id: "eq",
+    min: 2,
+    stackDelta: -1
+  }, null, null, {
+    id: "drop",
+    min: 1,
+    stackDelta: -1
+  }, null, {
+    id: "put",
+    min: 2,
+    stackDelta: -2
+  }, {
+    id: "get",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "ifelse",
+    min: 4,
+    stackDelta: -3
+  }, {
+    id: "random",
+    min: 0,
+    stackDelta: 1
+  }, {
+    id: "mul",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] * stack[index - 1];
+    }
+  }, null, {
+    id: "sqrt",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "dup",
+    min: 1,
+    stackDelta: 1
+  }, {
+    id: "exch",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "index",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "roll",
+    min: 3,
+    stackDelta: -2
+  }, null, null, null, {
+    id: "hflex",
+    min: 7,
+    resetStack: true
+  }, {
+    id: "flex",
+    min: 13,
+    resetStack: true
+  }, {
+    id: "hflex1",
+    min: 9,
+    resetStack: true
+  }, {
+    id: "flex1",
+    min: 11,
+    resetStack: true
+  }];
+
+  class CFFParser {
+    constructor(file, properties, seacAnalysisEnabled) {
+      this.bytes = file.getBytes();
+      this.properties = properties;
+      this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    }
+
+    parse() {
+      var properties = this.properties;
+      var cff = new CFF();
+      this.cff = cff;
+      var header = this.parseHeader();
+      var nameIndex = this.parseIndex(header.endPos);
+      var topDictIndex = this.parseIndex(nameIndex.endPos);
+      var stringIndex = this.parseIndex(topDictIndex.endPos);
+      var globalSubrIndex = this.parseIndex(stringIndex.endPos);
+      var topDictParsed = this.parseDict(topDictIndex.obj.get(0));
+      var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);
+      cff.header = header.obj;
+      cff.names = this.parseNameIndex(nameIndex.obj);
+      cff.strings = this.parseStringIndex(stringIndex.obj);
+      cff.topDict = topDict;
+      cff.globalSubrIndex = globalSubrIndex.obj;
+      this.parsePrivateDict(cff.topDict);
+      cff.isCIDFont = topDict.hasName("ROS");
+      var charStringOffset = topDict.getByName("CharStrings");
+      var charStringIndex = this.parseIndex(charStringOffset).obj;
+      var fontMatrix = topDict.getByName("FontMatrix");
+
+      if (fontMatrix) {
+        properties.fontMatrix = fontMatrix;
+      }
+
+      var fontBBox = topDict.getByName("FontBBox");
+
+      if (fontBBox) {
+        properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+        properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+        properties.ascentScaled = true;
+      }
+
+      var charset, encoding;
+
+      if (cff.isCIDFont) {
+        var fdArrayIndex = this.parseIndex(topDict.getByName("FDArray")).obj;
+
+        for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {
+          var dictRaw = fdArrayIndex.get(i);
+          var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings);
+          this.parsePrivateDict(fontDict);
+          cff.fdArray.push(fontDict);
+        }
+
+        encoding = null;
+        charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, true);
+        cff.fdSelect = this.parseFDSelect(topDict.getByName("FDSelect"), charStringIndex.count);
+      } else {
+        charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, false);
+        encoding = this.parseEncoding(topDict.getByName("Encoding"), properties, cff.strings, charset.charset);
+      }
+
+      cff.charset = charset;
+      cff.encoding = encoding;
+      var charStringsAndSeacs = this.parseCharStrings({
+        charStrings: charStringIndex,
+        localSubrIndex: topDict.privateDict.subrsIndex,
+        globalSubrIndex: globalSubrIndex.obj,
+        fdSelect: cff.fdSelect,
+        fdArray: cff.fdArray,
+        privateDict: topDict.privateDict
+      });
+      cff.charStrings = charStringsAndSeacs.charStrings;
+      cff.seacs = charStringsAndSeacs.seacs;
+      cff.widths = charStringsAndSeacs.widths;
+      return cff;
+    }
+
+    parseHeader() {
+      var bytes = this.bytes;
+      var bytesLength = bytes.length;
+      var offset = 0;
+
+      while (offset < bytesLength && bytes[offset] !== 1) {
+        ++offset;
+      }
+
+      if (offset >= bytesLength) {
+        throw new _util.FormatError("Invalid CFF header");
+      }
+
+      if (offset !== 0) {
+        (0, _util.info)("cff data is shifted");
+        bytes = bytes.subarray(offset);
+        this.bytes = bytes;
+      }
+
+      var major = bytes[0];
+      var minor = bytes[1];
+      var hdrSize = bytes[2];
+      var offSize = bytes[3];
+      var header = new CFFHeader(major, minor, hdrSize, offSize);
+      return {
+        obj: header,
+        endPos: hdrSize
+      };
+    }
+
+    parseDict(dict) {
+      var pos = 0;
+
+      function parseOperand() {
+        var value = dict[pos++];
+
+        if (value === 30) {
+          return parseFloatOperand();
+        } else if (value === 28) {
+          value = dict[pos++];
+          value = (value << 24 | dict[pos++] << 16) >> 16;
+          return value;
+        } else if (value === 29) {
+          value = dict[pos++];
+          value = value << 8 | dict[pos++];
+          value = value << 8 | dict[pos++];
+          value = value << 8 | dict[pos++];
+          return value;
+        } else if (value >= 32 && value <= 246) {
+          return value - 139;
+        } else if (value >= 247 && value <= 250) {
+          return (value - 247) * 256 + dict[pos++] + 108;
+        } else if (value >= 251 && value <= 254) {
+          return -((value - 251) * 256) - dict[pos++] - 108;
+        }
+
+        (0, _util.warn)('CFFParser_parseDict: "' + value + '" is a reserved command.');
+        return NaN;
+      }
+
+      function parseFloatOperand() {
+        var str = "";
+        var eof = 15;
+        const lookup = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "E", "E-", null, "-"];
+        var length = dict.length;
+
+        while (pos < length) {
+          var b = dict[pos++];
+          var b1 = b >> 4;
+          var b2 = b & 15;
+
+          if (b1 === eof) {
+            break;
+          }
+
+          str += lookup[b1];
+
+          if (b2 === eof) {
+            break;
+          }
+
+          str += lookup[b2];
+        }
+
+        return parseFloat(str);
+      }
+
+      var operands = [];
+      var entries = [];
+      pos = 0;
+      var end = dict.length;
+
+      while (pos < end) {
+        var b = dict[pos];
+
+        if (b <= 21) {
+          if (b === 12) {
+            b = b << 8 | dict[++pos];
+          }
+
+          entries.push([b, operands]);
+          operands = [];
+          ++pos;
+        } else {
+          operands.push(parseOperand());
+        }
+      }
+
+      return entries;
+    }
+
+    parseIndex(pos) {
+      var cffIndex = new CFFIndex();
+      var bytes = this.bytes;
+      var count = bytes[pos++] << 8 | bytes[pos++];
+      var offsets = [];
+      var end = pos;
+      var i, ii;
+
+      if (count !== 0) {
+        var offsetSize = bytes[pos++];
+        var startPos = pos + (count + 1) * offsetSize - 1;
+
+        for (i = 0, ii = count + 1; i < ii; ++i) {
+          var offset = 0;
+
+          for (var j = 0; j < offsetSize; ++j) {
+            offset <<= 8;
+            offset += bytes[pos++];
+          }
+
+          offsets.push(startPos + offset);
+        }
+
+        end = offsets[count];
+      }
+
+      for (i = 0, ii = offsets.length - 1; i < ii; ++i) {
+        var offsetStart = offsets[i];
+        var offsetEnd = offsets[i + 1];
+        cffIndex.add(bytes.subarray(offsetStart, offsetEnd));
+      }
+
+      return {
+        obj: cffIndex,
+        endPos: end
+      };
+    }
+
+    parseNameIndex(index) {
+      var names = [];
+
+      for (var i = 0, ii = index.count; i < ii; ++i) {
+        var name = index.get(i);
+        names.push((0, _util.bytesToString)(name));
+      }
+
+      return names;
+    }
+
+    parseStringIndex(index) {
+      var strings = new CFFStrings();
+
+      for (var i = 0, ii = index.count; i < ii; ++i) {
+        var data = index.get(i);
+        strings.add((0, _util.bytesToString)(data));
+      }
+
+      return strings;
+    }
+
+    createDict(Type, dict, strings) {
+      var cffDict = new Type(strings);
+
+      for (var i = 0, ii = dict.length; i < ii; ++i) {
+        var pair = dict[i];
+        var key = pair[0];
+        var value = pair[1];
+        cffDict.setByKey(key, value);
+      }
+
+      return cffDict;
+    }
+
+    parseCharString(state, data, localSubrIndex, globalSubrIndex) {
+      if (!data || state.callDepth > MAX_SUBR_NESTING) {
+        return false;
+      }
+
+      var stackSize = state.stackSize;
+      var stack = state.stack;
+      var length = data.length;
+
+      for (var j = 0; j < length;) {
+        var value = data[j++];
+        var validationCommand = null;
+
+        if (value === 12) {
+          var q = data[j++];
+
+          if (q === 0) {
+            data[j - 2] = 139;
+            data[j - 1] = 22;
+            stackSize = 0;
+          } else {
+            validationCommand = CharstringValidationData12[q];
+          }
+        } else if (value === 28) {
+          stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16;
+          j += 2;
+          stackSize++;
+        } else if (value === 14) {
+          if (stackSize >= 4) {
+            stackSize -= 4;
+
+            if (this.seacAnalysisEnabled) {
+              state.seac = stack.slice(stackSize, stackSize + 4);
+              return false;
+            }
+          }
+
+          validationCommand = CharstringValidationData[value];
+        } else if (value >= 32 && value <= 246) {
+          stack[stackSize] = value - 139;
+          stackSize++;
+        } else if (value >= 247 && value <= 254) {
+          stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108;
+          j++;
+          stackSize++;
+        } else if (value === 255) {
+          stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536;
+          j += 4;
+          stackSize++;
+        } else if (value === 19 || value === 20) {
+          state.hints += stackSize >> 1;
+          j += state.hints + 7 >> 3;
+          stackSize %= 2;
+          validationCommand = CharstringValidationData[value];
+        } else if (value === 10 || value === 29) {
+          var subrsIndex;
+
+          if (value === 10) {
+            subrsIndex = localSubrIndex;
+          } else {
+            subrsIndex = globalSubrIndex;
+          }
+
+          if (!subrsIndex) {
+            validationCommand = CharstringValidationData[value];
+            (0, _util.warn)("Missing subrsIndex for " + validationCommand.id);
+            return false;
+          }
+
+          var bias = 32768;
+
+          if (subrsIndex.count < 1240) {
+            bias = 107;
+          } else if (subrsIndex.count < 33900) {
+            bias = 1131;
+          }
+
+          var subrNumber = stack[--stackSize] + bias;
+
+          if (subrNumber < 0 || subrNumber >= subrsIndex.count || isNaN(subrNumber)) {
+            validationCommand = CharstringValidationData[value];
+            (0, _util.warn)("Out of bounds subrIndex for " + validationCommand.id);
+            return false;
+          }
+
+          state.stackSize = stackSize;
+          state.callDepth++;
+          var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex);
+
+          if (!valid) {
+            return false;
+          }
+
+          state.callDepth--;
+          stackSize = state.stackSize;
+          continue;
+        } else if (value === 11) {
+          state.stackSize = stackSize;
+          return true;
+        } else {
+          validationCommand = CharstringValidationData[value];
+        }
+
+        if (validationCommand) {
+          if (validationCommand.stem) {
+            state.hints += stackSize >> 1;
+
+            if (value === 3 || value === 23) {
+              state.hasVStems = true;
+            } else if (state.hasVStems && (value === 1 || value === 18)) {
+              (0, _util.warn)("CFF stem hints are in wrong order");
+              data[j - 1] = value === 1 ? 3 : 23;
+            }
+          }
+
+          if ("min" in validationCommand) {
+            if (!state.undefStack && stackSize < validationCommand.min) {
+              (0, _util.warn)("Not enough parameters for " + validationCommand.id + "; actual: " + stackSize + ", expected: " + validationCommand.min);
+              return false;
+            }
+          }
+
+          if (state.firstStackClearing && validationCommand.stackClearing) {
+            state.firstStackClearing = false;
+            stackSize -= validationCommand.min;
+
+            if (stackSize >= 2 && validationCommand.stem) {
+              stackSize %= 2;
+            } else if (stackSize > 1) {
+              (0, _util.warn)("Found too many parameters for stack-clearing command");
+            }
+
+            if (stackSize > 0 && stack[stackSize - 1] >= 0) {
+              state.width = stack[stackSize - 1];
+            }
+          }
+
+          if ("stackDelta" in validationCommand) {
+            if ("stackFn" in validationCommand) {
+              validationCommand.stackFn(stack, stackSize);
+            }
+
+            stackSize += validationCommand.stackDelta;
+          } else if (validationCommand.stackClearing) {
+            stackSize = 0;
+          } else if (validationCommand.resetStack) {
+            stackSize = 0;
+            state.undefStack = false;
+          } else if (validationCommand.undefStack) {
+            stackSize = 0;
+            state.undefStack = true;
+            state.firstStackClearing = false;
+          }
+        }
+      }
+
+      state.stackSize = stackSize;
+      return true;
+    }
+
+    parseCharStrings({
+      charStrings,
+      localSubrIndex,
+      globalSubrIndex,
+      fdSelect,
+      fdArray,
+      privateDict
+    }) {
+      var seacs = [];
+      var widths = [];
+      var count = charStrings.count;
+
+      for (var i = 0; i < count; i++) {
+        var charstring = charStrings.get(i);
+        var state = {
+          callDepth: 0,
+          stackSize: 0,
+          stack: [],
+          undefStack: true,
+          hints: 0,
+          firstStackClearing: true,
+          seac: null,
+          width: null,
+          hasVStems: false
+        };
+        var valid = true;
+        var localSubrToUse = null;
+        var privateDictToUse = privateDict;
+
+        if (fdSelect && fdArray.length) {
+          var fdIndex = fdSelect.getFDIndex(i);
+
+          if (fdIndex === -1) {
+            (0, _util.warn)("Glyph index is not in fd select.");
+            valid = false;
+          }
+
+          if (fdIndex >= fdArray.length) {
+            (0, _util.warn)("Invalid fd index for glyph index.");
+            valid = false;
+          }
+
+          if (valid) {
+            privateDictToUse = fdArray[fdIndex].privateDict;
+            localSubrToUse = privateDictToUse.subrsIndex;
+          }
+        } else if (localSubrIndex) {
+          localSubrToUse = localSubrIndex;
+        }
+
+        if (valid) {
+          valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex);
+        }
+
+        if (state.width !== null) {
+          const nominalWidth = privateDictToUse.getByName("nominalWidthX");
+          widths[i] = nominalWidth + state.width;
+        } else {
+          const defaultWidth = privateDictToUse.getByName("defaultWidthX");
+          widths[i] = defaultWidth;
+        }
+
+        if (state.seac !== null) {
+          seacs[i] = state.seac;
+        }
+
+        if (!valid) {
+          charStrings.set(i, new Uint8Array([14]));
+        }
+      }
+
+      return {
+        charStrings,
+        seacs,
+        widths
+      };
+    }
+
+    emptyPrivateDictionary(parentDict) {
+      var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);
+      parentDict.setByKey(18, [0, 0]);
+      parentDict.privateDict = privateDict;
+    }
+
+    parsePrivateDict(parentDict) {
+      if (!parentDict.hasName("Private")) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var privateOffset = parentDict.getByName("Private");
+
+      if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {
+        parentDict.removeByName("Private");
+        return;
+      }
+
+      var size = privateOffset[0];
+      var offset = privateOffset[1];
+
+      if (size === 0 || offset >= this.bytes.length) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var privateDictEnd = offset + size;
+      var dictData = this.bytes.subarray(offset, privateDictEnd);
+      var dict = this.parseDict(dictData);
+      var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings);
+      parentDict.privateDict = privateDict;
+
+      if (!privateDict.getByName("Subrs")) {
+        return;
+      }
+
+      var subrsOffset = privateDict.getByName("Subrs");
+      var relativeOffset = offset + subrsOffset;
+
+      if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var subrsIndex = this.parseIndex(relativeOffset);
+      privateDict.subrsIndex = subrsIndex.obj;
+    }
+
+    parseCharsets(pos, length, strings, cid) {
+      if (pos === 0) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, _charsets.ISOAdobeCharset);
+      } else if (pos === 1) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, _charsets.ExpertCharset);
+      } else if (pos === 2) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, _charsets.ExpertSubsetCharset);
+      }
+
+      var bytes = this.bytes;
+      var start = pos;
+      var format = bytes[pos++];
+      const charset = [cid ? 0 : ".notdef"];
+      var id, count, i;
+      length -= 1;
+
+      switch (format) {
+        case 0:
+          for (i = 0; i < length; i++) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            charset.push(cid ? id : strings.get(id));
+          }
+
+          break;
+
+        case 1:
+          while (charset.length <= length) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            count = bytes[pos++];
+
+            for (i = 0; i <= count; i++) {
+              charset.push(cid ? id++ : strings.get(id++));
+            }
+          }
+
+          break;
+
+        case 2:
+          while (charset.length <= length) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            count = bytes[pos++] << 8 | bytes[pos++];
+
+            for (i = 0; i <= count; i++) {
+              charset.push(cid ? id++ : strings.get(id++));
+            }
+          }
+
+          break;
+
+        default:
+          throw new _util.FormatError("Unknown charset format");
+      }
+
+      var end = pos;
+      var raw = bytes.subarray(start, end);
+      return new CFFCharset(false, format, charset, raw);
+    }
+
+    parseEncoding(pos, properties, strings, charset) {
+      var encoding = Object.create(null);
+      var bytes = this.bytes;
+      var predefined = false;
+      var format, i, ii;
+      var raw = null;
+
+      function readSupplement() {
+        var supplementsCount = bytes[pos++];
+
+        for (i = 0; i < supplementsCount; i++) {
+          var code = bytes[pos++];
+          var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);
+          encoding[code] = charset.indexOf(strings.get(sid));
+        }
+      }
+
+      if (pos === 0 || pos === 1) {
+        predefined = true;
+        format = pos;
+        var baseEncoding = pos ? _encodings.ExpertEncoding : _encodings.StandardEncoding;
+
+        for (i = 0, ii = charset.length; i < ii; i++) {
+          var index = baseEncoding.indexOf(charset[i]);
+
+          if (index !== -1) {
+            encoding[index] = i;
+          }
+        }
+      } else {
+        var dataStart = pos;
+        format = bytes[pos++];
+
+        switch (format & 0x7f) {
+          case 0:
+            var glyphsCount = bytes[pos++];
+
+            for (i = 1; i <= glyphsCount; i++) {
+              encoding[bytes[pos++]] = i;
+            }
+
+            break;
+
+          case 1:
+            var rangesCount = bytes[pos++];
+            var gid = 1;
+
+            for (i = 0; i < rangesCount; i++) {
+              var start = bytes[pos++];
+              var left = bytes[pos++];
+
+              for (var j = start; j <= start + left; j++) {
+                encoding[j] = gid++;
+              }
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown encoding format: ${format} in CFF`);
+        }
+
+        var dataEnd = pos;
+
+        if (format & 0x80) {
+          bytes[dataStart] &= 0x7f;
+          readSupplement();
+        }
+
+        raw = bytes.subarray(dataStart, dataEnd);
+      }
+
+      format = format & 0x7f;
+      return new CFFEncoding(predefined, format, encoding, raw);
+    }
+
+    parseFDSelect(pos, length) {
+      var bytes = this.bytes;
+      var format = bytes[pos++];
+      var fdSelect = [];
+      var i;
+
+      switch (format) {
+        case 0:
+          for (i = 0; i < length; ++i) {
+            var id = bytes[pos++];
+            fdSelect.push(id);
+          }
+
+          break;
+
+        case 3:
+          var rangesCount = bytes[pos++] << 8 | bytes[pos++];
+
+          for (i = 0; i < rangesCount; ++i) {
+            var first = bytes[pos++] << 8 | bytes[pos++];
+
+            if (i === 0 && first !== 0) {
+              (0, _util.warn)("parseFDSelect: The first range must have a first GID of 0" + " -- trying to recover.");
+              first = 0;
+            }
+
+            var fdIndex = bytes[pos++];
+            var next = bytes[pos] << 8 | bytes[pos + 1];
+
+            for (var j = first; j < next; ++j) {
+              fdSelect.push(fdIndex);
+            }
+          }
+
+          pos += 2;
+          break;
+
+        default:
+          throw new _util.FormatError(`parseFDSelect: Unknown format "${format}".`);
+      }
+
+      if (fdSelect.length !== length) {
+        throw new _util.FormatError("parseFDSelect: Invalid font data.");
+      }
+
+      return new CFFFDSelect(format, fdSelect);
+    }
+
+  }
+
+  return CFFParser;
+}();
+
+exports.CFFParser = CFFParser;
+
+class CFF {
+  constructor() {
+    this.header = null;
+    this.names = [];
+    this.topDict = null;
+    this.strings = new CFFStrings();
+    this.globalSubrIndex = null;
+    this.encoding = null;
+    this.charset = null;
+    this.charStrings = null;
+    this.fdArray = [];
+    this.fdSelect = null;
+    this.isCIDFont = false;
+  }
+
+  duplicateFirstGlyph() {
+    if (this.charStrings.count >= 65535) {
+      (0, _util.warn)("Not enough space in charstrings to duplicate first glyph.");
+      return;
+    }
+
+    var glyphZero = this.charStrings.get(0);
+    this.charStrings.add(glyphZero);
+
+    if (this.isCIDFont) {
+      this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]);
+    }
+  }
+
+  hasGlyphId(id) {
+    if (id < 0 || id >= this.charStrings.count) {
+      return false;
+    }
+
+    var glyph = this.charStrings.get(id);
+    return glyph.length > 0;
+  }
+
+}
+
+exports.CFF = CFF;
+
+class CFFHeader {
+  constructor(major, minor, hdrSize, offSize) {
+    this.major = major;
+    this.minor = minor;
+    this.hdrSize = hdrSize;
+    this.offSize = offSize;
+  }
+
+}
+
+exports.CFFHeader = CFFHeader;
+
+class CFFStrings {
+  constructor() {
+    this.strings = [];
+  }
+
+  get(index) {
+    if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) {
+      return CFFStandardStrings[index];
+    }
+
+    if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) {
+      return this.strings[index - NUM_STANDARD_CFF_STRINGS];
+    }
+
+    return CFFStandardStrings[0];
+  }
+
+  getSID(str) {
+    let index = CFFStandardStrings.indexOf(str);
+
+    if (index !== -1) {
+      return index;
+    }
+
+    index = this.strings.indexOf(str);
+
+    if (index !== -1) {
+      return index + NUM_STANDARD_CFF_STRINGS;
+    }
+
+    return -1;
+  }
+
+  add(value) {
+    this.strings.push(value);
+  }
+
+  get count() {
+    return this.strings.length;
+  }
+
+}
+
+exports.CFFStrings = CFFStrings;
+
+class CFFIndex {
+  constructor() {
+    this.objects = [];
+    this.length = 0;
+  }
+
+  add(data) {
+    this.length += data.length;
+    this.objects.push(data);
+  }
+
+  set(index, data) {
+    this.length += data.length - this.objects[index].length;
+    this.objects[index] = data;
+  }
+
+  get(index) {
+    return this.objects[index];
+  }
+
+  get count() {
+    return this.objects.length;
+  }
+
+}
+
+exports.CFFIndex = CFFIndex;
+
+class CFFDict {
+  constructor(tables, strings) {
+    this.keyToNameMap = tables.keyToNameMap;
+    this.nameToKeyMap = tables.nameToKeyMap;
+    this.defaults = tables.defaults;
+    this.types = tables.types;
+    this.opcodes = tables.opcodes;
+    this.order = tables.order;
+    this.strings = strings;
+    this.values = Object.create(null);
+  }
+
+  setByKey(key, value) {
+    if (!(key in this.keyToNameMap)) {
+      return false;
+    }
+
+    var valueLength = value.length;
+
+    if (valueLength === 0) {
+      return true;
+    }
+
+    for (var i = 0; i < valueLength; i++) {
+      if (isNaN(value[i])) {
+        (0, _util.warn)('Invalid CFFDict value: "' + value + '" for key "' + key + '".');
+        return true;
+      }
+    }
+
+    var type = this.types[key];
+
+    if (type === "num" || type === "sid" || type === "offset") {
+      value = value[0];
+    }
+
+    this.values[key] = value;
+    return true;
+  }
+
+  setByName(name, value) {
+    if (!(name in this.nameToKeyMap)) {
+      throw new _util.FormatError(`Invalid dictionary name "${name}"`);
+    }
+
+    this.values[this.nameToKeyMap[name]] = value;
+  }
+
+  hasName(name) {
+    return this.nameToKeyMap[name] in this.values;
+  }
+
+  getByName(name) {
+    if (!(name in this.nameToKeyMap)) {
+      throw new _util.FormatError(`Invalid dictionary name ${name}"`);
+    }
+
+    var key = this.nameToKeyMap[name];
+
+    if (!(key in this.values)) {
+      return this.defaults[key];
+    }
+
+    return this.values[key];
+  }
+
+  removeByName(name) {
+    delete this.values[this.nameToKeyMap[name]];
+  }
+
+  static createTables(layout) {
+    var tables = {
+      keyToNameMap: {},
+      nameToKeyMap: {},
+      defaults: {},
+      types: {},
+      opcodes: {},
+      order: []
+    };
+
+    for (var i = 0, ii = layout.length; i < ii; ++i) {
+      var entry = layout[i];
+      var key = Array.isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0];
+      tables.keyToNameMap[key] = entry[1];
+      tables.nameToKeyMap[entry[1]] = key;
+      tables.types[key] = entry[2];
+      tables.defaults[key] = entry[3];
+      tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];
+      tables.order.push(key);
+    }
+
+    return tables;
+  }
+
+}
+
+var CFFTopDict = function CFFTopDictClosure() {
+  var layout = [[[12, 30], "ROS", ["sid", "sid", "num"], null], [[12, 20], "SyntheticBase", "num", null], [0, "version", "sid", null], [1, "Notice", "sid", null], [[12, 0], "Copyright", "sid", null], [2, "FullName", "sid", null], [3, "FamilyName", "sid", null], [4, "Weight", "sid", null], [[12, 1], "isFixedPitch", "num", 0], [[12, 2], "ItalicAngle", "num", 0], [[12, 3], "UnderlinePosition", "num", -100], [[12, 4], "UnderlineThickness", "num", 50], [[12, 5], "PaintType", "num", 0], [[12, 6], "CharstringType", "num", 2], [[12, 7], "FontMatrix", ["num", "num", "num", "num", "num", "num"], [0.001, 0, 0, 0.001, 0, 0]], [13, "UniqueID", "num", null], [5, "FontBBox", ["num", "num", "num", "num"], [0, 0, 0, 0]], [[12, 8], "StrokeWidth", "num", 0], [14, "XUID", "array", null], [15, "charset", "offset", 0], [16, "Encoding", "offset", 0], [17, "CharStrings", "offset", 0], [18, "Private", ["offset", "offset"], null], [[12, 21], "PostScript", "sid", null], [[12, 22], "BaseFontName", "sid", null], [[12, 23], "BaseFontBlend", "delta", null], [[12, 31], "CIDFontVersion", "num", 0], [[12, 32], "CIDFontRevision", "num", 0], [[12, 33], "CIDFontType", "num", 0], [[12, 34], "CIDCount", "num", 8720], [[12, 35], "UIDBase", "num", null], [[12, 37], "FDSelect", "offset", null], [[12, 36], "FDArray", "offset", null], [[12, 38], "FontName", "sid", null]];
+  var tables = null;
+
+  class CFFTopDict extends CFFDict {
+    constructor(strings) {
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      super(tables, strings);
+      this.privateDict = null;
+    }
+
+  }
+
+  return CFFTopDict;
+}();
+
+exports.CFFTopDict = CFFTopDict;
+
+var CFFPrivateDict = function CFFPrivateDictClosure() {
+  var layout = [[6, "BlueValues", "delta", null], [7, "OtherBlues", "delta", null], [8, "FamilyBlues", "delta", null], [9, "FamilyOtherBlues", "delta", null], [[12, 9], "BlueScale", "num", 0.039625], [[12, 10], "BlueShift", "num", 7], [[12, 11], "BlueFuzz", "num", 1], [10, "StdHW", "num", null], [11, "StdVW", "num", null], [[12, 12], "StemSnapH", "delta", null], [[12, 13], "StemSnapV", "delta", null], [[12, 14], "ForceBold", "num", 0], [[12, 17], "LanguageGroup", "num", 0], [[12, 18], "ExpansionFactor", "num", 0.06], [[12, 19], "initialRandomSeed", "num", 0], [20, "defaultWidthX", "num", 0], [21, "nominalWidthX", "num", 0], [19, "Subrs", "offset", null]];
+  var tables = null;
+
+  class CFFPrivateDict extends CFFDict {
+    constructor(strings) {
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      super(tables, strings);
+      this.subrsIndex = null;
+    }
+
+  }
+
+  return CFFPrivateDict;
+}();
+
+exports.CFFPrivateDict = CFFPrivateDict;
+var CFFCharsetPredefinedTypes = {
+  ISO_ADOBE: 0,
+  EXPERT: 1,
+  EXPERT_SUBSET: 2
+};
+
+class CFFCharset {
+  constructor(predefined, format, charset, raw) {
+    this.predefined = predefined;
+    this.format = format;
+    this.charset = charset;
+    this.raw = raw;
+  }
+
+}
+
+exports.CFFCharset = CFFCharset;
+
+class CFFEncoding {
+  constructor(predefined, format, encoding, raw) {
+    this.predefined = predefined;
+    this.format = format;
+    this.encoding = encoding;
+    this.raw = raw;
+  }
+
+}
+
+class CFFFDSelect {
+  constructor(format, fdSelect) {
+    this.format = format;
+    this.fdSelect = fdSelect;
+  }
+
+  getFDIndex(glyphIndex) {
+    if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {
+      return -1;
+    }
+
+    return this.fdSelect[glyphIndex];
+  }
+
+}
+
+exports.CFFFDSelect = CFFFDSelect;
+
+class CFFOffsetTracker {
+  constructor() {
+    this.offsets = Object.create(null);
+  }
+
+  isTracking(key) {
+    return key in this.offsets;
+  }
+
+  track(key, location) {
+    if (key in this.offsets) {
+      throw new _util.FormatError(`Already tracking location of ${key}`);
+    }
+
+    this.offsets[key] = location;
+  }
+
+  offset(value) {
+    for (var key in this.offsets) {
+      this.offsets[key] += value;
+    }
+  }
+
+  setEntryLocation(key, values, output) {
+    if (!(key in this.offsets)) {
+      throw new _util.FormatError(`Not tracking location of ${key}`);
+    }
+
+    var data = output.data;
+    var dataOffset = this.offsets[key];
+    var size = 5;
+
+    for (var i = 0, ii = values.length; i < ii; ++i) {
+      var offset0 = i * size + dataOffset;
+      var offset1 = offset0 + 1;
+      var offset2 = offset0 + 2;
+      var offset3 = offset0 + 3;
+      var offset4 = offset0 + 4;
+
+      if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) {
+        throw new _util.FormatError("writing to an offset that is not empty");
+      }
+
+      var value = values[i];
+      data[offset0] = 0x1d;
+      data[offset1] = value >> 24 & 0xff;
+      data[offset2] = value >> 16 & 0xff;
+      data[offset3] = value >> 8 & 0xff;
+      data[offset4] = value & 0xff;
+    }
+  }
+
+}
+
+class CFFCompiler {
+  constructor(cff) {
+    this.cff = cff;
+  }
+
+  compile() {
+    var cff = this.cff;
+    var output = {
+      data: [],
+      length: 0,
+      add: function CFFCompiler_add(data) {
+        this.data = this.data.concat(data);
+        this.length = this.data.length;
+      }
+    };
+    var header = this.compileHeader(cff.header);
+    output.add(header);
+    var nameIndex = this.compileNameIndex(cff.names);
+    output.add(nameIndex);
+
+    if (cff.isCIDFont) {
+      if (cff.topDict.hasName("FontMatrix")) {
+        var base = cff.topDict.getByName("FontMatrix");
+        cff.topDict.removeByName("FontMatrix");
+
+        for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {
+          var subDict = cff.fdArray[i];
+          var matrix = base.slice(0);
+
+          if (subDict.hasName("FontMatrix")) {
+            matrix = _util.Util.transform(matrix, subDict.getByName("FontMatrix"));
+          }
+
+          subDict.setByName("FontMatrix", matrix);
+        }
+      }
+    }
+
+    cff.topDict.setByName("charset", 0);
+    var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont);
+    output.add(compiled.output);
+    var topDictTracker = compiled.trackers[0];
+    var stringIndex = this.compileStringIndex(cff.strings.strings);
+    output.add(stringIndex);
+    var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);
+    output.add(globalSubrIndex);
+
+    if (cff.encoding && cff.topDict.hasName("Encoding")) {
+      if (cff.encoding.predefined) {
+        topDictTracker.setEntryLocation("Encoding", [cff.encoding.format], output);
+      } else {
+        var encoding = this.compileEncoding(cff.encoding);
+        topDictTracker.setEntryLocation("Encoding", [output.length], output);
+        output.add(encoding);
+      }
+    }
+
+    var charset = this.compileCharset(cff.charset, cff.charStrings.count, cff.strings, cff.isCIDFont);
+    topDictTracker.setEntryLocation("charset", [output.length], output);
+    output.add(charset);
+    var charStrings = this.compileCharStrings(cff.charStrings);
+    topDictTracker.setEntryLocation("CharStrings", [output.length], output);
+    output.add(charStrings);
+
+    if (cff.isCIDFont) {
+      topDictTracker.setEntryLocation("FDSelect", [output.length], output);
+      var fdSelect = this.compileFDSelect(cff.fdSelect);
+      output.add(fdSelect);
+      compiled = this.compileTopDicts(cff.fdArray, output.length, true);
+      topDictTracker.setEntryLocation("FDArray", [output.length], output);
+      output.add(compiled.output);
+      var fontDictTrackers = compiled.trackers;
+      this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);
+    }
+
+    this.compilePrivateDicts([cff.topDict], [topDictTracker], output);
+    output.add([0]);
+    return output.data;
+  }
+
+  encodeNumber(value) {
+    if (Number.isInteger(value)) {
+      return this.encodeInteger(value);
+    }
+
+    return this.encodeFloat(value);
+  }
+
+  static get EncodeFloatRegExp() {
+    return (0, _util.shadow)(this, "EncodeFloatRegExp", /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/);
+  }
+
+  encodeFloat(num) {
+    var value = num.toString();
+    var m = CFFCompiler.EncodeFloatRegExp.exec(value);
+
+    if (m) {
+      var epsilon = parseFloat("1e" + ((m[2] ? +m[2] : 0) + m[1].length));
+      value = (Math.round(num * epsilon) / epsilon).toString();
+    }
+
+    var nibbles = "";
+    var i, ii;
+
+    for (i = 0, ii = value.length; i < ii; ++i) {
+      var a = value[i];
+
+      if (a === "e") {
+        nibbles += value[++i] === "-" ? "c" : "b";
+      } else if (a === ".") {
+        nibbles += "a";
+      } else if (a === "-") {
+        nibbles += "e";
+      } else {
+        nibbles += a;
+      }
+    }
+
+    nibbles += nibbles.length & 1 ? "f" : "ff";
+    var out = [30];
+
+    for (i = 0, ii = nibbles.length; i < ii; i += 2) {
+      out.push(parseInt(nibbles.substring(i, i + 2), 16));
+    }
+
+    return out;
+  }
+
+  encodeInteger(value) {
+    var code;
+
+    if (value >= -107 && value <= 107) {
+      code = [value + 139];
+    } else if (value >= 108 && value <= 1131) {
+      value = value - 108;
+      code = [(value >> 8) + 247, value & 0xff];
+    } else if (value >= -1131 && value <= -108) {
+      value = -value - 108;
+      code = [(value >> 8) + 251, value & 0xff];
+    } else if (value >= -32768 && value <= 32767) {
+      code = [0x1c, value >> 8 & 0xff, value & 0xff];
+    } else {
+      code = [0x1d, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff];
+    }
+
+    return code;
+  }
+
+  compileHeader(header) {
+    return [header.major, header.minor, header.hdrSize, header.offSize];
+  }
+
+  compileNameIndex(names) {
+    var nameIndex = new CFFIndex();
+
+    for (var i = 0, ii = names.length; i < ii; ++i) {
+      var name = names[i];
+      var length = Math.min(name.length, 127);
+      var sanitizedName = new Array(length);
+
+      for (var j = 0; j < length; j++) {
+        var char = name[j];
+
+        if (char < "!" || char > "~" || char === "[" || char === "]" || char === "(" || char === ")" || char === "{" || char === "}" || char === "<" || char === ">" || char === "/" || char === "%") {
+          char = "_";
+        }
+
+        sanitizedName[j] = char;
+      }
+
+      sanitizedName = sanitizedName.join("");
+
+      if (sanitizedName === "") {
+        sanitizedName = "Bad_Font_Name";
+      }
+
+      nameIndex.add((0, _util.stringToBytes)(sanitizedName));
+    }
+
+    return this.compileIndex(nameIndex);
+  }
+
+  compileTopDicts(dicts, length, removeCidKeys) {
+    var fontDictTrackers = [];
+    var fdArrayIndex = new CFFIndex();
+
+    for (var i = 0, ii = dicts.length; i < ii; ++i) {
+      var fontDict = dicts[i];
+
+      if (removeCidKeys) {
+        fontDict.removeByName("CIDFontVersion");
+        fontDict.removeByName("CIDFontRevision");
+        fontDict.removeByName("CIDFontType");
+        fontDict.removeByName("CIDCount");
+        fontDict.removeByName("UIDBase");
+      }
+
+      var fontDictTracker = new CFFOffsetTracker();
+      var fontDictData = this.compileDict(fontDict, fontDictTracker);
+      fontDictTrackers.push(fontDictTracker);
+      fdArrayIndex.add(fontDictData);
+      fontDictTracker.offset(length);
+    }
+
+    fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);
+    return {
+      trackers: fontDictTrackers,
+      output: fdArrayIndex
+    };
+  }
+
+  compilePrivateDicts(dicts, trackers, output) {
+    for (var i = 0, ii = dicts.length; i < ii; ++i) {
+      var fontDict = dicts[i];
+      var privateDict = fontDict.privateDict;
+
+      if (!privateDict || !fontDict.hasName("Private")) {
+        throw new _util.FormatError("There must be a private dictionary.");
+      }
+
+      var privateDictTracker = new CFFOffsetTracker();
+      var privateDictData = this.compileDict(privateDict, privateDictTracker);
+      var outputLength = output.length;
+      privateDictTracker.offset(outputLength);
+
+      if (!privateDictData.length) {
+        outputLength = 0;
+      }
+
+      trackers[i].setEntryLocation("Private", [privateDictData.length, outputLength], output);
+      output.add(privateDictData);
+
+      if (privateDict.subrsIndex && privateDict.hasName("Subrs")) {
+        var subrs = this.compileIndex(privateDict.subrsIndex);
+        privateDictTracker.setEntryLocation("Subrs", [privateDictData.length], output);
+        output.add(subrs);
+      }
+    }
+  }
+
+  compileDict(dict, offsetTracker) {
+    var out = [];
+    var order = dict.order;
+
+    for (var i = 0; i < order.length; ++i) {
+      var key = order[i];
+
+      if (!(key in dict.values)) {
+        continue;
+      }
+
+      var values = dict.values[key];
+      var types = dict.types[key];
+
+      if (!Array.isArray(types)) {
+        types = [types];
+      }
+
+      if (!Array.isArray(values)) {
+        values = [values];
+      }
+
+      if (values.length === 0) {
+        continue;
+      }
+
+      for (var j = 0, jj = types.length; j < jj; ++j) {
+        var type = types[j];
+        var value = values[j];
+
+        switch (type) {
+          case "num":
+          case "sid":
+            out = out.concat(this.encodeNumber(value));
+            break;
+
+          case "offset":
+            var name = dict.keyToNameMap[key];
+
+            if (!offsetTracker.isTracking(name)) {
+              offsetTracker.track(name, out.length);
+            }
+
+            out = out.concat([0x1d, 0, 0, 0, 0]);
+            break;
+
+          case "array":
+          case "delta":
+            out = out.concat(this.encodeNumber(value));
+
+            for (var k = 1, kk = values.length; k < kk; ++k) {
+              out = out.concat(this.encodeNumber(values[k]));
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown data type of ${type}`);
+        }
+      }
+
+      out = out.concat(dict.opcodes[key]);
+    }
+
+    return out;
+  }
+
+  compileStringIndex(strings) {
+    var stringIndex = new CFFIndex();
+
+    for (var i = 0, ii = strings.length; i < ii; ++i) {
+      stringIndex.add((0, _util.stringToBytes)(strings[i]));
+    }
+
+    return this.compileIndex(stringIndex);
+  }
+
+  compileGlobalSubrIndex() {
+    var globalSubrIndex = this.cff.globalSubrIndex;
+    this.out.writeByteArray(this.compileIndex(globalSubrIndex));
+  }
+
+  compileCharStrings(charStrings) {
+    var charStringsIndex = new CFFIndex();
+
+    for (var i = 0; i < charStrings.count; i++) {
+      var glyph = charStrings.get(i);
+
+      if (glyph.length === 0) {
+        charStringsIndex.add(new Uint8Array([0x8b, 0x0e]));
+        continue;
+      }
+
+      charStringsIndex.add(glyph);
+    }
+
+    return this.compileIndex(charStringsIndex);
+  }
+
+  compileCharset(charset, numGlyphs, strings, isCIDFont) {
+    let out;
+    const numGlyphsLessNotDef = numGlyphs - 1;
+
+    if (isCIDFont) {
+      out = new Uint8Array([2, 0, 0, numGlyphsLessNotDef >> 8 & 0xff, numGlyphsLessNotDef & 0xff]);
+    } else {
+      const length = 1 + numGlyphsLessNotDef * 2;
+      out = new Uint8Array(length);
+      out[0] = 0;
+      let charsetIndex = 0;
+      const numCharsets = charset.charset.length;
+      let warned = false;
+
+      for (let i = 1; i < out.length; i += 2) {
+        let sid = 0;
+
+        if (charsetIndex < numCharsets) {
+          const name = charset.charset[charsetIndex++];
+          sid = strings.getSID(name);
+
+          if (sid === -1) {
+            sid = 0;
+
+            if (!warned) {
+              warned = true;
+              (0, _util.warn)(`Couldn't find ${name} in CFF strings`);
+            }
+          }
+        }
+
+        out[i] = sid >> 8 & 0xff;
+        out[i + 1] = sid & 0xff;
+      }
+    }
+
+    return this.compileTypedArray(out);
+  }
+
+  compileEncoding(encoding) {
+    return this.compileTypedArray(encoding.raw);
+  }
+
+  compileFDSelect(fdSelect) {
+    const format = fdSelect.format;
+    let out, i;
+
+    switch (format) {
+      case 0:
+        out = new Uint8Array(1 + fdSelect.fdSelect.length);
+        out[0] = format;
+
+        for (i = 0; i < fdSelect.fdSelect.length; i++) {
+          out[i + 1] = fdSelect.fdSelect[i];
+        }
+
+        break;
+
+      case 3:
+        const start = 0;
+        let lastFD = fdSelect.fdSelect[0];
+        const ranges = [format, 0, 0, start >> 8 & 0xff, start & 0xff, lastFD];
+
+        for (i = 1; i < fdSelect.fdSelect.length; i++) {
+          const currentFD = fdSelect.fdSelect[i];
+
+          if (currentFD !== lastFD) {
+            ranges.push(i >> 8 & 0xff, i & 0xff, currentFD);
+            lastFD = currentFD;
+          }
+        }
+
+        const numRanges = (ranges.length - 3) / 3;
+        ranges[1] = numRanges >> 8 & 0xff;
+        ranges[2] = numRanges & 0xff;
+        ranges.push(i >> 8 & 0xff, i & 0xff);
+        out = new Uint8Array(ranges);
+        break;
+    }
+
+    return this.compileTypedArray(out);
+  }
+
+  compileTypedArray(data) {
+    var out = [];
+
+    for (var i = 0, ii = data.length; i < ii; ++i) {
+      out[i] = data[i];
+    }
+
+    return out;
+  }
+
+  compileIndex(index, trackers = []) {
+    var objects = index.objects;
+    var count = objects.length;
+
+    if (count === 0) {
+      return [0, 0, 0];
+    }
+
+    var data = [count >> 8 & 0xff, count & 0xff];
+    var lastOffset = 1,
+        i;
+
+    for (i = 0; i < count; ++i) {
+      lastOffset += objects[i].length;
+    }
+
+    var offsetSize;
+
+    if (lastOffset < 0x100) {
+      offsetSize = 1;
+    } else if (lastOffset < 0x10000) {
+      offsetSize = 2;
+    } else if (lastOffset < 0x1000000) {
+      offsetSize = 3;
+    } else {
+      offsetSize = 4;
+    }
+
+    data.push(offsetSize);
+    var relativeOffset = 1;
+
+    for (i = 0; i < count + 1; i++) {
+      if (offsetSize === 1) {
+        data.push(relativeOffset & 0xff);
+      } else if (offsetSize === 2) {
+        data.push(relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      } else if (offsetSize === 3) {
+        data.push(relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      } else {
+        data.push(relativeOffset >>> 24 & 0xff, relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      }
+
+      if (objects[i]) {
+        relativeOffset += objects[i].length;
+      }
+    }
+
+    for (i = 0; i < count; i++) {
+      if (trackers[i]) {
+        trackers[i].offset(data.length);
+      }
+
+      for (var j = 0, jj = objects[i].length; j < jj; j++) {
+        data.push(objects[i][j]);
+      }
+    }
+
+    return data;
+  }
+
+}
+
+exports.CFFCompiler = CFFCompiler;
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ExpertSubsetCharset = exports.ExpertCharset = exports.ISOAdobeCharset = void 0;
+const ISOAdobeCharset = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron"];
+exports.ISOAdobeCharset = ISOAdobeCharset;
+const ExpertCharset = [".notdef", "space", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertCharset = ExpertCharset;
+const ExpertSubsetCharset = [".notdef", "space", "dollaroldstyle", "dollarsuperior", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "hyphensuperior", "colonmonetary", "onefitted", "rupiah", "centoldstyle", "figuredash", "hypheninferior", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior"];
+exports.ExpertSubsetCharset = ExpertSubsetCharset;
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getEncoding = getEncoding;
+exports.ExpertEncoding = exports.ZapfDingbatsEncoding = exports.SymbolSetEncoding = exports.MacRomanEncoding = exports.StandardEncoding = exports.WinAnsiEncoding = void 0;
+const ExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "", "", "", "isuperior", "", "", "lsuperior", "msuperior", "nsuperior", "osuperior", "", "", "rsuperior", "ssuperior", "tsuperior", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdownsmall", "centoldstyle", "Lslashsmall", "", "", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "", "Dotaccentsmall", "", "", "Macronsmall", "", "", "figuredash", "hypheninferior", "", "", "Ogoneksmall", "Ringsmall", "Cedillasmall", "", "", "", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertEncoding = ExpertEncoding;
+const MacExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "centoldstyle", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "", "threequartersemdash", "", "questionsmall", "", "", "", "", "Ethsmall", "", "", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "", "", "", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hypheninferior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "asuperior", "centsuperior", "", "", "", "", "Aacutesmall", "Agravesmall", "Acircumflexsmall", "Adieresissmall", "Atildesmall", "Aringsmall", "Ccedillasmall", "Eacutesmall", "Egravesmall", "Ecircumflexsmall", "Edieresissmall", "Iacutesmall", "Igravesmall", "Icircumflexsmall", "Idieresissmall", "Ntildesmall", "Oacutesmall", "Ogravesmall", "Ocircumflexsmall", "Odieresissmall", "Otildesmall", "Uacutesmall", "Ugravesmall", "Ucircumflexsmall", "Udieresissmall", "", "eightsuperior", "fourinferior", "threeinferior", "sixinferior", "eightinferior", "seveninferior", "Scaronsmall", "", "centinferior", "twoinferior", "", "Dieresissmall", "", "Caronsmall", "osuperior", "fiveinferior", "", "commainferior", "periodinferior", "Yacutesmall", "", "dollarinferior", "", "", "Thornsmall", "", "nineinferior", "zeroinferior", "Zcaronsmall", "AEsmall", "Oslashsmall", "questiondownsmall", "oneinferior", "Lslashsmall", "", "", "", "", "", "", "Cedillasmall", "", "", "", "", "", "OEsmall", "figuredash", "hyphensuperior", "", "", "", "", "exclamdownsmall", "", "Ydieresissmall", "", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "ninesuperior", "zerosuperior", "", "esuperior", "rsuperior", "tsuperior", "", "", "isuperior", "ssuperior", "dsuperior", "", "", "", "", "", "lsuperior", "Ogoneksmall", "Brevesmall", "Macronsmall", "bsuperior", "nsuperior", "msuperior", "commasuperior", "periodsuperior", "Dotaccentsmall", "Ringsmall", "", "", "", ""];
+const MacRomanEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "space", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron"];
+exports.MacRomanEncoding = MacRomanEncoding;
+const StandardEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "", "endash", "dagger", "daggerdbl", "periodcentered", "", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "", "questiondown", "", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "", "ring", "cedilla", "", "hungarumlaut", "ogonek", "caron", "emdash", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "AE", "", "ordfeminine", "", "", "", "", "Lslash", "Oslash", "OE", "ordmasculine", "", "", "", "", "", "ae", "", "", "", "dotlessi", "", "", "lslash", "oslash", "oe", "germandbls", "", "", "", ""];
+exports.StandardEncoding = StandardEncoding;
+const WinAnsiEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "bullet", "Euro", "bullet", "quotesinglbase", "florin", "quotedblbase", "ellipsis", "dagger", "daggerdbl", "circumflex", "perthousand", "Scaron", "guilsinglleft", "OE", "bullet", "Zcaron", "bullet", "bullet", "quoteleft", "quoteright", "quotedblleft", "quotedblright", "bullet", "endash", "emdash", "tilde", "trademark", "scaron", "guilsinglright", "oe", "bullet", "zcaron", "Ydieresis", "space", "exclamdown", "cent", "sterling", "currency", "yen", "brokenbar", "section", "dieresis", "copyright", "ordfeminine", "guillemotleft", "logicalnot", "hyphen", "registered", "macron", "degree", "plusminus", "twosuperior", "threesuperior", "acute", "mu", "paragraph", "periodcentered", "cedilla", "onesuperior", "ordmasculine", "guillemotright", "onequarter", "onehalf", "threequarters", "questiondown", "Agrave", "Aacute", "Acircumflex", "Atilde", "Adieresis", "Aring", "AE", "Ccedilla", "Egrave", "Eacute", "Ecircumflex", "Edieresis", "Igrave", "Iacute", "Icircumflex", "Idieresis", "Eth", "Ntilde", "Ograve", "Oacute", "Ocircumflex", "Otilde", "Odieresis", "multiply", "Oslash", "Ugrave", "Uacute", "Ucircumflex", "Udieresis", "Yacute", "Thorn", "germandbls", "agrave", "aacute", "acircumflex", "atilde", "adieresis", "aring", "ae", "ccedilla", "egrave", "eacute", "ecircumflex", "edieresis", "igrave", "iacute", "icircumflex", "idieresis", "eth", "ntilde", "ograve", "oacute", "ocircumflex", "otilde", "odieresis", "divide", "oslash", "ugrave", "uacute", "ucircumflex", "udieresis", "yacute", "thorn", "ydieresis"];
+exports.WinAnsiEncoding = WinAnsiEncoding;
+const SymbolSetEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "universal", "numbersign", "existential", "percent", "ampersand", "suchthat", "parenleft", "parenright", "asteriskmath", "plus", "comma", "minus", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "congruent", "Alpha", "Beta", "Chi", "Delta", "Epsilon", "Phi", "Gamma", "Eta", "Iota", "theta1", "Kappa", "Lambda", "Mu", "Nu", "Omicron", "Pi", "Theta", "Rho", "Sigma", "Tau", "Upsilon", "sigma1", "Omega", "Xi", "Psi", "Zeta", "bracketleft", "therefore", "bracketright", "perpendicular", "underscore", "radicalex", "alpha", "beta", "chi", "delta", "epsilon", "phi", "gamma", "eta", "iota", "phi1", "kappa", "lambda", "mu", "nu", "omicron", "pi", "theta", "rho", "sigma", "tau", "upsilon", "omega1", "omega", "xi", "psi", "zeta", "braceleft", "bar", "braceright", "similar", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "Euro", "Upsilon1", "minute", "lessequal", "fraction", "infinity", "florin", "club", "diamond", "heart", "spade", "arrowboth", "arrowleft", "arrowup", "arrowright", "arrowdown", "degree", "plusminus", "second", "greaterequal", "multiply", "proportional", "partialdiff", "bullet", "divide", "notequal", "equivalence", "approxequal", "ellipsis", "arrowvertex", "arrowhorizex", "carriagereturn", "aleph", "Ifraktur", "Rfraktur", "weierstrass", "circlemultiply", "circleplus", "emptyset", "intersection", "union", "propersuperset", "reflexsuperset", "notsubset", "propersubset", "reflexsubset", "element", "notelement", "angle", "gradient", "registerserif", "copyrightserif", "trademarkserif", "product", "radical", "dotmath", "logicalnot", "logicaland", "logicalor", "arrowdblboth", "arrowdblleft", "arrowdblup", "arrowdblright", "arrowdbldown", "lozenge", "angleleft", "registersans", "copyrightsans", "trademarksans", "summation", "parenlefttp", "parenleftex", "parenleftbt", "bracketlefttp", "bracketleftex", "bracketleftbt", "bracelefttp", "braceleftmid", "braceleftbt", "braceex", "", "angleright", "integral", "integraltp", "integralex", "integralbt", "parenrighttp", "parenrightex", "parenrightbt", "bracketrighttp", "bracketrightex", "bracketrightbt", "bracerighttp", "bracerightmid", "bracerightbt", ""];
+exports.SymbolSetEncoding = SymbolSetEncoding;
+const ZapfDingbatsEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "a1", "a2", "a202", "a3", "a4", "a5", "a119", "a118", "a117", "a11", "a12", "a13", "a14", "a15", "a16", "a105", "a17", "a18", "a19", "a20", "a21", "a22", "a23", "a24", "a25", "a26", "a27", "a28", "a6", "a7", "a8", "a9", "a10", "a29", "a30", "a31", "a32", "a33", "a34", "a35", "a36", "a37", "a38", "a39", "a40", "a41", "a42", "a43", "a44", "a45", "a46", "a47", "a48", "a49", "a50", "a51", "a52", "a53", "a54", "a55", "a56", "a57", "a58", "a59", "a60", "a61", "a62", "a63", "a64", "a65", "a66", "a67", "a68", "a69", "a70", "a71", "a72", "a73", "a74", "a203", "a75", "a204", "a76", "a77", "a78", "a79", "a81", "a82", "a83", "a84", "a97", "a98", "a99", "a100", "", "a89", "a90", "a93", "a94", "a91", "a92", "a205", "a85", "a206", "a86", "a87", "a88", "a95", "a96", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "a101", "a102", "a103", "a104", "a106", "a107", "a108", "a112", "a111", "a110", "a109", "a120", "a121", "a122", "a123", "a124", "a125", "a126", "a127", "a128", "a129", "a130", "a131", "a132", "a133", "a134", "a135", "a136", "a137", "a138", "a139", "a140", "a141", "a142", "a143", "a144", "a145", "a146", "a147", "a148", "a149", "a150", "a151", "a152", "a153", "a154", "a155", "a156", "a157", "a158", "a159", "a160", "a161", "a163", "a164", "a196", "a165", "a192", "a166", "a167", "a168", "a169", "a170", "a171", "a172", "a173", "a162", "a174", "a175", "a176", "a177", "a178", "a179", "a193", "a180", "a199", "a181", "a200", "a182", "", "a201", "a183", "a184", "a197", "a185", "a194", "a198", "a186", "a195", "a187", "a188", "a189", "a190", "a191", ""];
+exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding;
+
+function getEncoding(encodingName) {
+  switch (encodingName) {
+    case "WinAnsiEncoding":
+      return WinAnsiEncoding;
+
+    case "StandardEncoding":
+      return StandardEncoding;
+
+    case "MacRomanEncoding":
+      return MacRomanEncoding;
+
+    case "SymbolSetEncoding":
+      return SymbolSetEncoding;
+
+    case "ZapfDingbatsEncoding":
+      return ZapfDingbatsEncoding;
+
+    case "ExpertEncoding":
+      return ExpertEncoding;
+
+    case "MacExpertEncoding":
+      return MacExpertEncoding;
+
+    default:
+      return null;
+  }
+}
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getLookupTableFactory = __w_pdfjs_require__(8).getLookupTableFactory;
+var getGlyphsUnicode = getLookupTableFactory(function (t) {
+ t.A = 0x0041;
+ t.AE = 0x00c6;
+ t.AEacute = 0x01fc;
+ t.AEmacron = 0x01e2;
+ t.AEsmall = 0xf7e6;
+ t.Aacute = 0x00c1;
+ t.Aacutesmall = 0xf7e1;
+ t.Abreve = 0x0102;
+ t.Abreveacute = 0x1eae;
+ t.Abrevecyrillic = 0x04d0;
+ t.Abrevedotbelow = 0x1eb6;
+ t.Abrevegrave = 0x1eb0;
+ t.Abrevehookabove = 0x1eb2;
+ t.Abrevetilde = 0x1eb4;
+ t.Acaron = 0x01cd;
+ t.Acircle = 0x24b6;
+ t.Acircumflex = 0x00c2;
+ t.Acircumflexacute = 0x1ea4;
+ t.Acircumflexdotbelow = 0x1eac;
+ t.Acircumflexgrave = 0x1ea6;
+ t.Acircumflexhookabove = 0x1ea8;
+ t.Acircumflexsmall = 0xf7e2;
+ t.Acircumflextilde = 0x1eaa;
+ t.Acute = 0xf6c9;
+ t.Acutesmall = 0xf7b4;
+ t.Acyrillic = 0x0410;
+ t.Adblgrave = 0x0200;
+ t.Adieresis = 0x00c4;
+ t.Adieresiscyrillic = 0x04d2;
+ t.Adieresismacron = 0x01de;
+ t.Adieresissmall = 0xf7e4;
+ t.Adotbelow = 0x1ea0;
+ t.Adotmacron = 0x01e0;
+ t.Agrave = 0x00c0;
+ t.Agravesmall = 0xf7e0;
+ t.Ahookabove = 0x1ea2;
+ t.Aiecyrillic = 0x04d4;
+ t.Ainvertedbreve = 0x0202;
+ t.Alpha = 0x0391;
+ t.Alphatonos = 0x0386;
+ t.Amacron = 0x0100;
+ t.Amonospace = 0xff21;
+ t.Aogonek = 0x0104;
+ t.Aring = 0x00c5;
+ t.Aringacute = 0x01fa;
+ t.Aringbelow = 0x1e00;
+ t.Aringsmall = 0xf7e5;
+ t.Asmall = 0xf761;
+ t.Atilde = 0x00c3;
+ t.Atildesmall = 0xf7e3;
+ t.Aybarmenian = 0x0531;
+ t.B = 0x0042;
+ t.Bcircle = 0x24b7;
+ t.Bdotaccent = 0x1e02;
+ t.Bdotbelow = 0x1e04;
+ t.Becyrillic = 0x0411;
+ t.Benarmenian = 0x0532;
+ t.Beta = 0x0392;
+ t.Bhook = 0x0181;
+ t.Blinebelow = 0x1e06;
+ t.Bmonospace = 0xff22;
+ t.Brevesmall = 0xf6f4;
+ t.Bsmall = 0xf762;
+ t.Btopbar = 0x0182;
+ t.C = 0x0043;
+ t.Caarmenian = 0x053e;
+ t.Cacute = 0x0106;
+ t.Caron = 0xf6ca;
+ t.Caronsmall = 0xf6f5;
+ t.Ccaron = 0x010c;
+ t.Ccedilla = 0x00c7;
+ t.Ccedillaacute = 0x1e08;
+ t.Ccedillasmall = 0xf7e7;
+ t.Ccircle = 0x24b8;
+ t.Ccircumflex = 0x0108;
+ t.Cdot = 0x010a;
+ t.Cdotaccent = 0x010a;
+ t.Cedillasmall = 0xf7b8;
+ t.Chaarmenian = 0x0549;
+ t.Cheabkhasiancyrillic = 0x04bc;
+ t.Checyrillic = 0x0427;
+ t.Chedescenderabkhasiancyrillic = 0x04be;
+ t.Chedescendercyrillic = 0x04b6;
+ t.Chedieresiscyrillic = 0x04f4;
+ t.Cheharmenian = 0x0543;
+ t.Chekhakassiancyrillic = 0x04cb;
+ t.Cheverticalstrokecyrillic = 0x04b8;
+ t.Chi = 0x03a7;
+ t.Chook = 0x0187;
+ t.Circumflexsmall = 0xf6f6;
+ t.Cmonospace = 0xff23;
+ t.Coarmenian = 0x0551;
+ t.Csmall = 0xf763;
+ t.D = 0x0044;
+ t.DZ = 0x01f1;
+ t.DZcaron = 0x01c4;
+ t.Daarmenian = 0x0534;
+ t.Dafrican = 0x0189;
+ t.Dcaron = 0x010e;
+ t.Dcedilla = 0x1e10;
+ t.Dcircle = 0x24b9;
+ t.Dcircumflexbelow = 0x1e12;
+ t.Dcroat = 0x0110;
+ t.Ddotaccent = 0x1e0a;
+ t.Ddotbelow = 0x1e0c;
+ t.Decyrillic = 0x0414;
+ t.Deicoptic = 0x03ee;
+ t.Delta = 0x2206;
+ t.Deltagreek = 0x0394;
+ t.Dhook = 0x018a;
+ t.Dieresis = 0xf6cb;
+ t.DieresisAcute = 0xf6cc;
+ t.DieresisGrave = 0xf6cd;
+ t.Dieresissmall = 0xf7a8;
+ t.Digammagreek = 0x03dc;
+ t.Djecyrillic = 0x0402;
+ t.Dlinebelow = 0x1e0e;
+ t.Dmonospace = 0xff24;
+ t.Dotaccentsmall = 0xf6f7;
+ t.Dslash = 0x0110;
+ t.Dsmall = 0xf764;
+ t.Dtopbar = 0x018b;
+ t.Dz = 0x01f2;
+ t.Dzcaron = 0x01c5;
+ t.Dzeabkhasiancyrillic = 0x04e0;
+ t.Dzecyrillic = 0x0405;
+ t.Dzhecyrillic = 0x040f;
+ t.E = 0x0045;
+ t.Eacute = 0x00c9;
+ t.Eacutesmall = 0xf7e9;
+ t.Ebreve = 0x0114;
+ t.Ecaron = 0x011a;
+ t.Ecedillabreve = 0x1e1c;
+ t.Echarmenian = 0x0535;
+ t.Ecircle = 0x24ba;
+ t.Ecircumflex = 0x00ca;
+ t.Ecircumflexacute = 0x1ebe;
+ t.Ecircumflexbelow = 0x1e18;
+ t.Ecircumflexdotbelow = 0x1ec6;
+ t.Ecircumflexgrave = 0x1ec0;
+ t.Ecircumflexhookabove = 0x1ec2;
+ t.Ecircumflexsmall = 0xf7ea;
+ t.Ecircumflextilde = 0x1ec4;
+ t.Ecyrillic = 0x0404;
+ t.Edblgrave = 0x0204;
+ t.Edieresis = 0x00cb;
+ t.Edieresissmall = 0xf7eb;
+ t.Edot = 0x0116;
+ t.Edotaccent = 0x0116;
+ t.Edotbelow = 0x1eb8;
+ t.Efcyrillic = 0x0424;
+ t.Egrave = 0x00c8;
+ t.Egravesmall = 0xf7e8;
+ t.Eharmenian = 0x0537;
+ t.Ehookabove = 0x1eba;
+ t.Eightroman = 0x2167;
+ t.Einvertedbreve = 0x0206;
+ t.Eiotifiedcyrillic = 0x0464;
+ t.Elcyrillic = 0x041b;
+ t.Elevenroman = 0x216a;
+ t.Emacron = 0x0112;
+ t.Emacronacute = 0x1e16;
+ t.Emacrongrave = 0x1e14;
+ t.Emcyrillic = 0x041c;
+ t.Emonospace = 0xff25;
+ t.Encyrillic = 0x041d;
+ t.Endescendercyrillic = 0x04a2;
+ t.Eng = 0x014a;
+ t.Enghecyrillic = 0x04a4;
+ t.Enhookcyrillic = 0x04c7;
+ t.Eogonek = 0x0118;
+ t.Eopen = 0x0190;
+ t.Epsilon = 0x0395;
+ t.Epsilontonos = 0x0388;
+ t.Ercyrillic = 0x0420;
+ t.Ereversed = 0x018e;
+ t.Ereversedcyrillic = 0x042d;
+ t.Escyrillic = 0x0421;
+ t.Esdescendercyrillic = 0x04aa;
+ t.Esh = 0x01a9;
+ t.Esmall = 0xf765;
+ t.Eta = 0x0397;
+ t.Etarmenian = 0x0538;
+ t.Etatonos = 0x0389;
+ t.Eth = 0x00d0;
+ t.Ethsmall = 0xf7f0;
+ t.Etilde = 0x1ebc;
+ t.Etildebelow = 0x1e1a;
+ t.Euro = 0x20ac;
+ t.Ezh = 0x01b7;
+ t.Ezhcaron = 0x01ee;
+ t.Ezhreversed = 0x01b8;
+ t.F = 0x0046;
+ t.Fcircle = 0x24bb;
+ t.Fdotaccent = 0x1e1e;
+ t.Feharmenian = 0x0556;
+ t.Feicoptic = 0x03e4;
+ t.Fhook = 0x0191;
+ t.Fitacyrillic = 0x0472;
+ t.Fiveroman = 0x2164;
+ t.Fmonospace = 0xff26;
+ t.Fourroman = 0x2163;
+ t.Fsmall = 0xf766;
+ t.G = 0x0047;
+ t.GBsquare = 0x3387;
+ t.Gacute = 0x01f4;
+ t.Gamma = 0x0393;
+ t.Gammaafrican = 0x0194;
+ t.Gangiacoptic = 0x03ea;
+ t.Gbreve = 0x011e;
+ t.Gcaron = 0x01e6;
+ t.Gcedilla = 0x0122;
+ t.Gcircle = 0x24bc;
+ t.Gcircumflex = 0x011c;
+ t.Gcommaaccent = 0x0122;
+ t.Gdot = 0x0120;
+ t.Gdotaccent = 0x0120;
+ t.Gecyrillic = 0x0413;
+ t.Ghadarmenian = 0x0542;
+ t.Ghemiddlehookcyrillic = 0x0494;
+ t.Ghestrokecyrillic = 0x0492;
+ t.Gheupturncyrillic = 0x0490;
+ t.Ghook = 0x0193;
+ t.Gimarmenian = 0x0533;
+ t.Gjecyrillic = 0x0403;
+ t.Gmacron = 0x1e20;
+ t.Gmonospace = 0xff27;
+ t.Grave = 0xf6ce;
+ t.Gravesmall = 0xf760;
+ t.Gsmall = 0xf767;
+ t.Gsmallhook = 0x029b;
+ t.Gstroke = 0x01e4;
+ t.H = 0x0048;
+ t.H18533 = 0x25cf;
+ t.H18543 = 0x25aa;
+ t.H18551 = 0x25ab;
+ t.H22073 = 0x25a1;
+ t.HPsquare = 0x33cb;
+ t.Haabkhasiancyrillic = 0x04a8;
+ t.Hadescendercyrillic = 0x04b2;
+ t.Hardsigncyrillic = 0x042a;
+ t.Hbar = 0x0126;
+ t.Hbrevebelow = 0x1e2a;
+ t.Hcedilla = 0x1e28;
+ t.Hcircle = 0x24bd;
+ t.Hcircumflex = 0x0124;
+ t.Hdieresis = 0x1e26;
+ t.Hdotaccent = 0x1e22;
+ t.Hdotbelow = 0x1e24;
+ t.Hmonospace = 0xff28;
+ t.Hoarmenian = 0x0540;
+ t.Horicoptic = 0x03e8;
+ t.Hsmall = 0xf768;
+ t.Hungarumlaut = 0xf6cf;
+ t.Hungarumlautsmall = 0xf6f8;
+ t.Hzsquare = 0x3390;
+ t.I = 0x0049;
+ t.IAcyrillic = 0x042f;
+ t.IJ = 0x0132;
+ t.IUcyrillic = 0x042e;
+ t.Iacute = 0x00cd;
+ t.Iacutesmall = 0xf7ed;
+ t.Ibreve = 0x012c;
+ t.Icaron = 0x01cf;
+ t.Icircle = 0x24be;
+ t.Icircumflex = 0x00ce;
+ t.Icircumflexsmall = 0xf7ee;
+ t.Icyrillic = 0x0406;
+ t.Idblgrave = 0x0208;
+ t.Idieresis = 0x00cf;
+ t.Idieresisacute = 0x1e2e;
+ t.Idieresiscyrillic = 0x04e4;
+ t.Idieresissmall = 0xf7ef;
+ t.Idot = 0x0130;
+ t.Idotaccent = 0x0130;
+ t.Idotbelow = 0x1eca;
+ t.Iebrevecyrillic = 0x04d6;
+ t.Iecyrillic = 0x0415;
+ t.Ifraktur = 0x2111;
+ t.Igrave = 0x00cc;
+ t.Igravesmall = 0xf7ec;
+ t.Ihookabove = 0x1ec8;
+ t.Iicyrillic = 0x0418;
+ t.Iinvertedbreve = 0x020a;
+ t.Iishortcyrillic = 0x0419;
+ t.Imacron = 0x012a;
+ t.Imacroncyrillic = 0x04e2;
+ t.Imonospace = 0xff29;
+ t.Iniarmenian = 0x053b;
+ t.Iocyrillic = 0x0401;
+ t.Iogonek = 0x012e;
+ t.Iota = 0x0399;
+ t.Iotaafrican = 0x0196;
+ t.Iotadieresis = 0x03aa;
+ t.Iotatonos = 0x038a;
+ t.Ismall = 0xf769;
+ t.Istroke = 0x0197;
+ t.Itilde = 0x0128;
+ t.Itildebelow = 0x1e2c;
+ t.Izhitsacyrillic = 0x0474;
+ t.Izhitsadblgravecyrillic = 0x0476;
+ t.J = 0x004a;
+ t.Jaarmenian = 0x0541;
+ t.Jcircle = 0x24bf;
+ t.Jcircumflex = 0x0134;
+ t.Jecyrillic = 0x0408;
+ t.Jheharmenian = 0x054b;
+ t.Jmonospace = 0xff2a;
+ t.Jsmall = 0xf76a;
+ t.K = 0x004b;
+ t.KBsquare = 0x3385;
+ t.KKsquare = 0x33cd;
+ t.Kabashkircyrillic = 0x04a0;
+ t.Kacute = 0x1e30;
+ t.Kacyrillic = 0x041a;
+ t.Kadescendercyrillic = 0x049a;
+ t.Kahookcyrillic = 0x04c3;
+ t.Kappa = 0x039a;
+ t.Kastrokecyrillic = 0x049e;
+ t.Kaverticalstrokecyrillic = 0x049c;
+ t.Kcaron = 0x01e8;
+ t.Kcedilla = 0x0136;
+ t.Kcircle = 0x24c0;
+ t.Kcommaaccent = 0x0136;
+ t.Kdotbelow = 0x1e32;
+ t.Keharmenian = 0x0554;
+ t.Kenarmenian = 0x053f;
+ t.Khacyrillic = 0x0425;
+ t.Kheicoptic = 0x03e6;
+ t.Khook = 0x0198;
+ t.Kjecyrillic = 0x040c;
+ t.Klinebelow = 0x1e34;
+ t.Kmonospace = 0xff2b;
+ t.Koppacyrillic = 0x0480;
+ t.Koppagreek = 0x03de;
+ t.Ksicyrillic = 0x046e;
+ t.Ksmall = 0xf76b;
+ t.L = 0x004c;
+ t.LJ = 0x01c7;
+ t.LL = 0xf6bf;
+ t.Lacute = 0x0139;
+ t.Lambda = 0x039b;
+ t.Lcaron = 0x013d;
+ t.Lcedilla = 0x013b;
+ t.Lcircle = 0x24c1;
+ t.Lcircumflexbelow = 0x1e3c;
+ t.Lcommaaccent = 0x013b;
+ t.Ldot = 0x013f;
+ t.Ldotaccent = 0x013f;
+ t.Ldotbelow = 0x1e36;
+ t.Ldotbelowmacron = 0x1e38;
+ t.Liwnarmenian = 0x053c;
+ t.Lj = 0x01c8;
+ t.Ljecyrillic = 0x0409;
+ t.Llinebelow = 0x1e3a;
+ t.Lmonospace = 0xff2c;
+ t.Lslash = 0x0141;
+ t.Lslashsmall = 0xf6f9;
+ t.Lsmall = 0xf76c;
+ t.M = 0x004d;
+ t.MBsquare = 0x3386;
+ t.Macron = 0xf6d0;
+ t.Macronsmall = 0xf7af;
+ t.Macute = 0x1e3e;
+ t.Mcircle = 0x24c2;
+ t.Mdotaccent = 0x1e40;
+ t.Mdotbelow = 0x1e42;
+ t.Menarmenian = 0x0544;
+ t.Mmonospace = 0xff2d;
+ t.Msmall = 0xf76d;
+ t.Mturned = 0x019c;
+ t.Mu = 0x039c;
+ t.N = 0x004e;
+ t.NJ = 0x01ca;
+ t.Nacute = 0x0143;
+ t.Ncaron = 0x0147;
+ t.Ncedilla = 0x0145;
+ t.Ncircle = 0x24c3;
+ t.Ncircumflexbelow = 0x1e4a;
+ t.Ncommaaccent = 0x0145;
+ t.Ndotaccent = 0x1e44;
+ t.Ndotbelow = 0x1e46;
+ t.Nhookleft = 0x019d;
+ t.Nineroman = 0x2168;
+ t.Nj = 0x01cb;
+ t.Njecyrillic = 0x040a;
+ t.Nlinebelow = 0x1e48;
+ t.Nmonospace = 0xff2e;
+ t.Nowarmenian = 0x0546;
+ t.Nsmall = 0xf76e;
+ t.Ntilde = 0x00d1;
+ t.Ntildesmall = 0xf7f1;
+ t.Nu = 0x039d;
+ t.O = 0x004f;
+ t.OE = 0x0152;
+ t.OEsmall = 0xf6fa;
+ t.Oacute = 0x00d3;
+ t.Oacutesmall = 0xf7f3;
+ t.Obarredcyrillic = 0x04e8;
+ t.Obarreddieresiscyrillic = 0x04ea;
+ t.Obreve = 0x014e;
+ t.Ocaron = 0x01d1;
+ t.Ocenteredtilde = 0x019f;
+ t.Ocircle = 0x24c4;
+ t.Ocircumflex = 0x00d4;
+ t.Ocircumflexacute = 0x1ed0;
+ t.Ocircumflexdotbelow = 0x1ed8;
+ t.Ocircumflexgrave = 0x1ed2;
+ t.Ocircumflexhookabove = 0x1ed4;
+ t.Ocircumflexsmall = 0xf7f4;
+ t.Ocircumflextilde = 0x1ed6;
+ t.Ocyrillic = 0x041e;
+ t.Odblacute = 0x0150;
+ t.Odblgrave = 0x020c;
+ t.Odieresis = 0x00d6;
+ t.Odieresiscyrillic = 0x04e6;
+ t.Odieresissmall = 0xf7f6;
+ t.Odotbelow = 0x1ecc;
+ t.Ogoneksmall = 0xf6fb;
+ t.Ograve = 0x00d2;
+ t.Ogravesmall = 0xf7f2;
+ t.Oharmenian = 0x0555;
+ t.Ohm = 0x2126;
+ t.Ohookabove = 0x1ece;
+ t.Ohorn = 0x01a0;
+ t.Ohornacute = 0x1eda;
+ t.Ohorndotbelow = 0x1ee2;
+ t.Ohorngrave = 0x1edc;
+ t.Ohornhookabove = 0x1ede;
+ t.Ohorntilde = 0x1ee0;
+ t.Ohungarumlaut = 0x0150;
+ t.Oi = 0x01a2;
+ t.Oinvertedbreve = 0x020e;
+ t.Omacron = 0x014c;
+ t.Omacronacute = 0x1e52;
+ t.Omacrongrave = 0x1e50;
+ t.Omega = 0x2126;
+ t.Omegacyrillic = 0x0460;
+ t.Omegagreek = 0x03a9;
+ t.Omegaroundcyrillic = 0x047a;
+ t.Omegatitlocyrillic = 0x047c;
+ t.Omegatonos = 0x038f;
+ t.Omicron = 0x039f;
+ t.Omicrontonos = 0x038c;
+ t.Omonospace = 0xff2f;
+ t.Oneroman = 0x2160;
+ t.Oogonek = 0x01ea;
+ t.Oogonekmacron = 0x01ec;
+ t.Oopen = 0x0186;
+ t.Oslash = 0x00d8;
+ t.Oslashacute = 0x01fe;
+ t.Oslashsmall = 0xf7f8;
+ t.Osmall = 0xf76f;
+ t.Ostrokeacute = 0x01fe;
+ t.Otcyrillic = 0x047e;
+ t.Otilde = 0x00d5;
+ t.Otildeacute = 0x1e4c;
+ t.Otildedieresis = 0x1e4e;
+ t.Otildesmall = 0xf7f5;
+ t.P = 0x0050;
+ t.Pacute = 0x1e54;
+ t.Pcircle = 0x24c5;
+ t.Pdotaccent = 0x1e56;
+ t.Pecyrillic = 0x041f;
+ t.Peharmenian = 0x054a;
+ t.Pemiddlehookcyrillic = 0x04a6;
+ t.Phi = 0x03a6;
+ t.Phook = 0x01a4;
+ t.Pi = 0x03a0;
+ t.Piwrarmenian = 0x0553;
+ t.Pmonospace = 0xff30;
+ t.Psi = 0x03a8;
+ t.Psicyrillic = 0x0470;
+ t.Psmall = 0xf770;
+ t.Q = 0x0051;
+ t.Qcircle = 0x24c6;
+ t.Qmonospace = 0xff31;
+ t.Qsmall = 0xf771;
+ t.R = 0x0052;
+ t.Raarmenian = 0x054c;
+ t.Racute = 0x0154;
+ t.Rcaron = 0x0158;
+ t.Rcedilla = 0x0156;
+ t.Rcircle = 0x24c7;
+ t.Rcommaaccent = 0x0156;
+ t.Rdblgrave = 0x0210;
+ t.Rdotaccent = 0x1e58;
+ t.Rdotbelow = 0x1e5a;
+ t.Rdotbelowmacron = 0x1e5c;
+ t.Reharmenian = 0x0550;
+ t.Rfraktur = 0x211c;
+ t.Rho = 0x03a1;
+ t.Ringsmall = 0xf6fc;
+ t.Rinvertedbreve = 0x0212;
+ t.Rlinebelow = 0x1e5e;
+ t.Rmonospace = 0xff32;
+ t.Rsmall = 0xf772;
+ t.Rsmallinverted = 0x0281;
+ t.Rsmallinvertedsuperior = 0x02b6;
+ t.S = 0x0053;
+ t.SF010000 = 0x250c;
+ t.SF020000 = 0x2514;
+ t.SF030000 = 0x2510;
+ t.SF040000 = 0x2518;
+ t.SF050000 = 0x253c;
+ t.SF060000 = 0x252c;
+ t.SF070000 = 0x2534;
+ t.SF080000 = 0x251c;
+ t.SF090000 = 0x2524;
+ t.SF100000 = 0x2500;
+ t.SF110000 = 0x2502;
+ t.SF190000 = 0x2561;
+ t.SF200000 = 0x2562;
+ t.SF210000 = 0x2556;
+ t.SF220000 = 0x2555;
+ t.SF230000 = 0x2563;
+ t.SF240000 = 0x2551;
+ t.SF250000 = 0x2557;
+ t.SF260000 = 0x255d;
+ t.SF270000 = 0x255c;
+ t.SF280000 = 0x255b;
+ t.SF360000 = 0x255e;
+ t.SF370000 = 0x255f;
+ t.SF380000 = 0x255a;
+ t.SF390000 = 0x2554;
+ t.SF400000 = 0x2569;
+ t.SF410000 = 0x2566;
+ t.SF420000 = 0x2560;
+ t.SF430000 = 0x2550;
+ t.SF440000 = 0x256c;
+ t.SF450000 = 0x2567;
+ t.SF460000 = 0x2568;
+ t.SF470000 = 0x2564;
+ t.SF480000 = 0x2565;
+ t.SF490000 = 0x2559;
+ t.SF500000 = 0x2558;
+ t.SF510000 = 0x2552;
+ t.SF520000 = 0x2553;
+ t.SF530000 = 0x256b;
+ t.SF540000 = 0x256a;
+ t.Sacute = 0x015a;
+ t.Sacutedotaccent = 0x1e64;
+ t.Sampigreek = 0x03e0;
+ t.Scaron = 0x0160;
+ t.Scarondotaccent = 0x1e66;
+ t.Scaronsmall = 0xf6fd;
+ t.Scedilla = 0x015e;
+ t.Schwa = 0x018f;
+ t.Schwacyrillic = 0x04d8;
+ t.Schwadieresiscyrillic = 0x04da;
+ t.Scircle = 0x24c8;
+ t.Scircumflex = 0x015c;
+ t.Scommaaccent = 0x0218;
+ t.Sdotaccent = 0x1e60;
+ t.Sdotbelow = 0x1e62;
+ t.Sdotbelowdotaccent = 0x1e68;
+ t.Seharmenian = 0x054d;
+ t.Sevenroman = 0x2166;
+ t.Shaarmenian = 0x0547;
+ t.Shacyrillic = 0x0428;
+ t.Shchacyrillic = 0x0429;
+ t.Sheicoptic = 0x03e2;
+ t.Shhacyrillic = 0x04ba;
+ t.Shimacoptic = 0x03ec;
+ t.Sigma = 0x03a3;
+ t.Sixroman = 0x2165;
+ t.Smonospace = 0xff33;
+ t.Softsigncyrillic = 0x042c;
+ t.Ssmall = 0xf773;
+ t.Stigmagreek = 0x03da;
+ t.T = 0x0054;
+ t.Tau = 0x03a4;
+ t.Tbar = 0x0166;
+ t.Tcaron = 0x0164;
+ t.Tcedilla = 0x0162;
+ t.Tcircle = 0x24c9;
+ t.Tcircumflexbelow = 0x1e70;
+ t.Tcommaaccent = 0x0162;
+ t.Tdotaccent = 0x1e6a;
+ t.Tdotbelow = 0x1e6c;
+ t.Tecyrillic = 0x0422;
+ t.Tedescendercyrillic = 0x04ac;
+ t.Tenroman = 0x2169;
+ t.Tetsecyrillic = 0x04b4;
+ t.Theta = 0x0398;
+ t.Thook = 0x01ac;
+ t.Thorn = 0x00de;
+ t.Thornsmall = 0xf7fe;
+ t.Threeroman = 0x2162;
+ t.Tildesmall = 0xf6fe;
+ t.Tiwnarmenian = 0x054f;
+ t.Tlinebelow = 0x1e6e;
+ t.Tmonospace = 0xff34;
+ t.Toarmenian = 0x0539;
+ t.Tonefive = 0x01bc;
+ t.Tonesix = 0x0184;
+ t.Tonetwo = 0x01a7;
+ t.Tretroflexhook = 0x01ae;
+ t.Tsecyrillic = 0x0426;
+ t.Tshecyrillic = 0x040b;
+ t.Tsmall = 0xf774;
+ t.Twelveroman = 0x216b;
+ t.Tworoman = 0x2161;
+ t.U = 0x0055;
+ t.Uacute = 0x00da;
+ t.Uacutesmall = 0xf7fa;
+ t.Ubreve = 0x016c;
+ t.Ucaron = 0x01d3;
+ t.Ucircle = 0x24ca;
+ t.Ucircumflex = 0x00db;
+ t.Ucircumflexbelow = 0x1e76;
+ t.Ucircumflexsmall = 0xf7fb;
+ t.Ucyrillic = 0x0423;
+ t.Udblacute = 0x0170;
+ t.Udblgrave = 0x0214;
+ t.Udieresis = 0x00dc;
+ t.Udieresisacute = 0x01d7;
+ t.Udieresisbelow = 0x1e72;
+ t.Udieresiscaron = 0x01d9;
+ t.Udieresiscyrillic = 0x04f0;
+ t.Udieresisgrave = 0x01db;
+ t.Udieresismacron = 0x01d5;
+ t.Udieresissmall = 0xf7fc;
+ t.Udotbelow = 0x1ee4;
+ t.Ugrave = 0x00d9;
+ t.Ugravesmall = 0xf7f9;
+ t.Uhookabove = 0x1ee6;
+ t.Uhorn = 0x01af;
+ t.Uhornacute = 0x1ee8;
+ t.Uhorndotbelow = 0x1ef0;
+ t.Uhorngrave = 0x1eea;
+ t.Uhornhookabove = 0x1eec;
+ t.Uhorntilde = 0x1eee;
+ t.Uhungarumlaut = 0x0170;
+ t.Uhungarumlautcyrillic = 0x04f2;
+ t.Uinvertedbreve = 0x0216;
+ t.Ukcyrillic = 0x0478;
+ t.Umacron = 0x016a;
+ t.Umacroncyrillic = 0x04ee;
+ t.Umacrondieresis = 0x1e7a;
+ t.Umonospace = 0xff35;
+ t.Uogonek = 0x0172;
+ t.Upsilon = 0x03a5;
+ t.Upsilon1 = 0x03d2;
+ t.Upsilonacutehooksymbolgreek = 0x03d3;
+ t.Upsilonafrican = 0x01b1;
+ t.Upsilondieresis = 0x03ab;
+ t.Upsilondieresishooksymbolgreek = 0x03d4;
+ t.Upsilonhooksymbol = 0x03d2;
+ t.Upsilontonos = 0x038e;
+ t.Uring = 0x016e;
+ t.Ushortcyrillic = 0x040e;
+ t.Usmall = 0xf775;
+ t.Ustraightcyrillic = 0x04ae;
+ t.Ustraightstrokecyrillic = 0x04b0;
+ t.Utilde = 0x0168;
+ t.Utildeacute = 0x1e78;
+ t.Utildebelow = 0x1e74;
+ t.V = 0x0056;
+ t.Vcircle = 0x24cb;
+ t.Vdotbelow = 0x1e7e;
+ t.Vecyrillic = 0x0412;
+ t.Vewarmenian = 0x054e;
+ t.Vhook = 0x01b2;
+ t.Vmonospace = 0xff36;
+ t.Voarmenian = 0x0548;
+ t.Vsmall = 0xf776;
+ t.Vtilde = 0x1e7c;
+ t.W = 0x0057;
+ t.Wacute = 0x1e82;
+ t.Wcircle = 0x24cc;
+ t.Wcircumflex = 0x0174;
+ t.Wdieresis = 0x1e84;
+ t.Wdotaccent = 0x1e86;
+ t.Wdotbelow = 0x1e88;
+ t.Wgrave = 0x1e80;
+ t.Wmonospace = 0xff37;
+ t.Wsmall = 0xf777;
+ t.X = 0x0058;
+ t.Xcircle = 0x24cd;
+ t.Xdieresis = 0x1e8c;
+ t.Xdotaccent = 0x1e8a;
+ t.Xeharmenian = 0x053d;
+ t.Xi = 0x039e;
+ t.Xmonospace = 0xff38;
+ t.Xsmall = 0xf778;
+ t.Y = 0x0059;
+ t.Yacute = 0x00dd;
+ t.Yacutesmall = 0xf7fd;
+ t.Yatcyrillic = 0x0462;
+ t.Ycircle = 0x24ce;
+ t.Ycircumflex = 0x0176;
+ t.Ydieresis = 0x0178;
+ t.Ydieresissmall = 0xf7ff;
+ t.Ydotaccent = 0x1e8e;
+ t.Ydotbelow = 0x1ef4;
+ t.Yericyrillic = 0x042b;
+ t.Yerudieresiscyrillic = 0x04f8;
+ t.Ygrave = 0x1ef2;
+ t.Yhook = 0x01b3;
+ t.Yhookabove = 0x1ef6;
+ t.Yiarmenian = 0x0545;
+ t.Yicyrillic = 0x0407;
+ t.Yiwnarmenian = 0x0552;
+ t.Ymonospace = 0xff39;
+ t.Ysmall = 0xf779;
+ t.Ytilde = 0x1ef8;
+ t.Yusbigcyrillic = 0x046a;
+ t.Yusbigiotifiedcyrillic = 0x046c;
+ t.Yuslittlecyrillic = 0x0466;
+ t.Yuslittleiotifiedcyrillic = 0x0468;
+ t.Z = 0x005a;
+ t.Zaarmenian = 0x0536;
+ t.Zacute = 0x0179;
+ t.Zcaron = 0x017d;
+ t.Zcaronsmall = 0xf6ff;
+ t.Zcircle = 0x24cf;
+ t.Zcircumflex = 0x1e90;
+ t.Zdot = 0x017b;
+ t.Zdotaccent = 0x017b;
+ t.Zdotbelow = 0x1e92;
+ t.Zecyrillic = 0x0417;
+ t.Zedescendercyrillic = 0x0498;
+ t.Zedieresiscyrillic = 0x04de;
+ t.Zeta = 0x0396;
+ t.Zhearmenian = 0x053a;
+ t.Zhebrevecyrillic = 0x04c1;
+ t.Zhecyrillic = 0x0416;
+ t.Zhedescendercyrillic = 0x0496;
+ t.Zhedieresiscyrillic = 0x04dc;
+ t.Zlinebelow = 0x1e94;
+ t.Zmonospace = 0xff3a;
+ t.Zsmall = 0xf77a;
+ t.Zstroke = 0x01b5;
+ t.a = 0x0061;
+ t.aabengali = 0x0986;
+ t.aacute = 0x00e1;
+ t.aadeva = 0x0906;
+ t.aagujarati = 0x0a86;
+ t.aagurmukhi = 0x0a06;
+ t.aamatragurmukhi = 0x0a3e;
+ t.aarusquare = 0x3303;
+ t.aavowelsignbengali = 0x09be;
+ t.aavowelsigndeva = 0x093e;
+ t.aavowelsigngujarati = 0x0abe;
+ t.abbreviationmarkarmenian = 0x055f;
+ t.abbreviationsigndeva = 0x0970;
+ t.abengali = 0x0985;
+ t.abopomofo = 0x311a;
+ t.abreve = 0x0103;
+ t.abreveacute = 0x1eaf;
+ t.abrevecyrillic = 0x04d1;
+ t.abrevedotbelow = 0x1eb7;
+ t.abrevegrave = 0x1eb1;
+ t.abrevehookabove = 0x1eb3;
+ t.abrevetilde = 0x1eb5;
+ t.acaron = 0x01ce;
+ t.acircle = 0x24d0;
+ t.acircumflex = 0x00e2;
+ t.acircumflexacute = 0x1ea5;
+ t.acircumflexdotbelow = 0x1ead;
+ t.acircumflexgrave = 0x1ea7;
+ t.acircumflexhookabove = 0x1ea9;
+ t.acircumflextilde = 0x1eab;
+ t.acute = 0x00b4;
+ t.acutebelowcmb = 0x0317;
+ t.acutecmb = 0x0301;
+ t.acutecomb = 0x0301;
+ t.acutedeva = 0x0954;
+ t.acutelowmod = 0x02cf;
+ t.acutetonecmb = 0x0341;
+ t.acyrillic = 0x0430;
+ t.adblgrave = 0x0201;
+ t.addakgurmukhi = 0x0a71;
+ t.adeva = 0x0905;
+ t.adieresis = 0x00e4;
+ t.adieresiscyrillic = 0x04d3;
+ t.adieresismacron = 0x01df;
+ t.adotbelow = 0x1ea1;
+ t.adotmacron = 0x01e1;
+ t.ae = 0x00e6;
+ t.aeacute = 0x01fd;
+ t.aekorean = 0x3150;
+ t.aemacron = 0x01e3;
+ t.afii00208 = 0x2015;
+ t.afii08941 = 0x20a4;
+ t.afii10017 = 0x0410;
+ t.afii10018 = 0x0411;
+ t.afii10019 = 0x0412;
+ t.afii10020 = 0x0413;
+ t.afii10021 = 0x0414;
+ t.afii10022 = 0x0415;
+ t.afii10023 = 0x0401;
+ t.afii10024 = 0x0416;
+ t.afii10025 = 0x0417;
+ t.afii10026 = 0x0418;
+ t.afii10027 = 0x0419;
+ t.afii10028 = 0x041a;
+ t.afii10029 = 0x041b;
+ t.afii10030 = 0x041c;
+ t.afii10031 = 0x041d;
+ t.afii10032 = 0x041e;
+ t.afii10033 = 0x041f;
+ t.afii10034 = 0x0420;
+ t.afii10035 = 0x0421;
+ t.afii10036 = 0x0422;
+ t.afii10037 = 0x0423;
+ t.afii10038 = 0x0424;
+ t.afii10039 = 0x0425;
+ t.afii10040 = 0x0426;
+ t.afii10041 = 0x0427;
+ t.afii10042 = 0x0428;
+ t.afii10043 = 0x0429;
+ t.afii10044 = 0x042a;
+ t.afii10045 = 0x042b;
+ t.afii10046 = 0x042c;
+ t.afii10047 = 0x042d;
+ t.afii10048 = 0x042e;
+ t.afii10049 = 0x042f;
+ t.afii10050 = 0x0490;
+ t.afii10051 = 0x0402;
+ t.afii10052 = 0x0403;
+ t.afii10053 = 0x0404;
+ t.afii10054 = 0x0405;
+ t.afii10055 = 0x0406;
+ t.afii10056 = 0x0407;
+ t.afii10057 = 0x0408;
+ t.afii10058 = 0x0409;
+ t.afii10059 = 0x040a;
+ t.afii10060 = 0x040b;
+ t.afii10061 = 0x040c;
+ t.afii10062 = 0x040e;
+ t.afii10063 = 0xf6c4;
+ t.afii10064 = 0xf6c5;
+ t.afii10065 = 0x0430;
+ t.afii10066 = 0x0431;
+ t.afii10067 = 0x0432;
+ t.afii10068 = 0x0433;
+ t.afii10069 = 0x0434;
+ t.afii10070 = 0x0435;
+ t.afii10071 = 0x0451;
+ t.afii10072 = 0x0436;
+ t.afii10073 = 0x0437;
+ t.afii10074 = 0x0438;
+ t.afii10075 = 0x0439;
+ t.afii10076 = 0x043a;
+ t.afii10077 = 0x043b;
+ t.afii10078 = 0x043c;
+ t.afii10079 = 0x043d;
+ t.afii10080 = 0x043e;
+ t.afii10081 = 0x043f;
+ t.afii10082 = 0x0440;
+ t.afii10083 = 0x0441;
+ t.afii10084 = 0x0442;
+ t.afii10085 = 0x0443;
+ t.afii10086 = 0x0444;
+ t.afii10087 = 0x0445;
+ t.afii10088 = 0x0446;
+ t.afii10089 = 0x0447;
+ t.afii10090 = 0x0448;
+ t.afii10091 = 0x0449;
+ t.afii10092 = 0x044a;
+ t.afii10093 = 0x044b;
+ t.afii10094 = 0x044c;
+ t.afii10095 = 0x044d;
+ t.afii10096 = 0x044e;
+ t.afii10097 = 0x044f;
+ t.afii10098 = 0x0491;
+ t.afii10099 = 0x0452;
+ t.afii10100 = 0x0453;
+ t.afii10101 = 0x0454;
+ t.afii10102 = 0x0455;
+ t.afii10103 = 0x0456;
+ t.afii10104 = 0x0457;
+ t.afii10105 = 0x0458;
+ t.afii10106 = 0x0459;
+ t.afii10107 = 0x045a;
+ t.afii10108 = 0x045b;
+ t.afii10109 = 0x045c;
+ t.afii10110 = 0x045e;
+ t.afii10145 = 0x040f;
+ t.afii10146 = 0x0462;
+ t.afii10147 = 0x0472;
+ t.afii10148 = 0x0474;
+ t.afii10192 = 0xf6c6;
+ t.afii10193 = 0x045f;
+ t.afii10194 = 0x0463;
+ t.afii10195 = 0x0473;
+ t.afii10196 = 0x0475;
+ t.afii10831 = 0xf6c7;
+ t.afii10832 = 0xf6c8;
+ t.afii10846 = 0x04d9;
+ t.afii299 = 0x200e;
+ t.afii300 = 0x200f;
+ t.afii301 = 0x200d;
+ t.afii57381 = 0x066a;
+ t.afii57388 = 0x060c;
+ t.afii57392 = 0x0660;
+ t.afii57393 = 0x0661;
+ t.afii57394 = 0x0662;
+ t.afii57395 = 0x0663;
+ t.afii57396 = 0x0664;
+ t.afii57397 = 0x0665;
+ t.afii57398 = 0x0666;
+ t.afii57399 = 0x0667;
+ t.afii57400 = 0x0668;
+ t.afii57401 = 0x0669;
+ t.afii57403 = 0x061b;
+ t.afii57407 = 0x061f;
+ t.afii57409 = 0x0621;
+ t.afii57410 = 0x0622;
+ t.afii57411 = 0x0623;
+ t.afii57412 = 0x0624;
+ t.afii57413 = 0x0625;
+ t.afii57414 = 0x0626;
+ t.afii57415 = 0x0627;
+ t.afii57416 = 0x0628;
+ t.afii57417 = 0x0629;
+ t.afii57418 = 0x062a;
+ t.afii57419 = 0x062b;
+ t.afii57420 = 0x062c;
+ t.afii57421 = 0x062d;
+ t.afii57422 = 0x062e;
+ t.afii57423 = 0x062f;
+ t.afii57424 = 0x0630;
+ t.afii57425 = 0x0631;
+ t.afii57426 = 0x0632;
+ t.afii57427 = 0x0633;
+ t.afii57428 = 0x0634;
+ t.afii57429 = 0x0635;
+ t.afii57430 = 0x0636;
+ t.afii57431 = 0x0637;
+ t.afii57432 = 0x0638;
+ t.afii57433 = 0x0639;
+ t.afii57434 = 0x063a;
+ t.afii57440 = 0x0640;
+ t.afii57441 = 0x0641;
+ t.afii57442 = 0x0642;
+ t.afii57443 = 0x0643;
+ t.afii57444 = 0x0644;
+ t.afii57445 = 0x0645;
+ t.afii57446 = 0x0646;
+ t.afii57448 = 0x0648;
+ t.afii57449 = 0x0649;
+ t.afii57450 = 0x064a;
+ t.afii57451 = 0x064b;
+ t.afii57452 = 0x064c;
+ t.afii57453 = 0x064d;
+ t.afii57454 = 0x064e;
+ t.afii57455 = 0x064f;
+ t.afii57456 = 0x0650;
+ t.afii57457 = 0x0651;
+ t.afii57458 = 0x0652;
+ t.afii57470 = 0x0647;
+ t.afii57505 = 0x06a4;
+ t.afii57506 = 0x067e;
+ t.afii57507 = 0x0686;
+ t.afii57508 = 0x0698;
+ t.afii57509 = 0x06af;
+ t.afii57511 = 0x0679;
+ t.afii57512 = 0x0688;
+ t.afii57513 = 0x0691;
+ t.afii57514 = 0x06ba;
+ t.afii57519 = 0x06d2;
+ t.afii57534 = 0x06d5;
+ t.afii57636 = 0x20aa;
+ t.afii57645 = 0x05be;
+ t.afii57658 = 0x05c3;
+ t.afii57664 = 0x05d0;
+ t.afii57665 = 0x05d1;
+ t.afii57666 = 0x05d2;
+ t.afii57667 = 0x05d3;
+ t.afii57668 = 0x05d4;
+ t.afii57669 = 0x05d5;
+ t.afii57670 = 0x05d6;
+ t.afii57671 = 0x05d7;
+ t.afii57672 = 0x05d8;
+ t.afii57673 = 0x05d9;
+ t.afii57674 = 0x05da;
+ t.afii57675 = 0x05db;
+ t.afii57676 = 0x05dc;
+ t.afii57677 = 0x05dd;
+ t.afii57678 = 0x05de;
+ t.afii57679 = 0x05df;
+ t.afii57680 = 0x05e0;
+ t.afii57681 = 0x05e1;
+ t.afii57682 = 0x05e2;
+ t.afii57683 = 0x05e3;
+ t.afii57684 = 0x05e4;
+ t.afii57685 = 0x05e5;
+ t.afii57686 = 0x05e6;
+ t.afii57687 = 0x05e7;
+ t.afii57688 = 0x05e8;
+ t.afii57689 = 0x05e9;
+ t.afii57690 = 0x05ea;
+ t.afii57694 = 0xfb2a;
+ t.afii57695 = 0xfb2b;
+ t.afii57700 = 0xfb4b;
+ t.afii57705 = 0xfb1f;
+ t.afii57716 = 0x05f0;
+ t.afii57717 = 0x05f1;
+ t.afii57718 = 0x05f2;
+ t.afii57723 = 0xfb35;
+ t.afii57793 = 0x05b4;
+ t.afii57794 = 0x05b5;
+ t.afii57795 = 0x05b6;
+ t.afii57796 = 0x05bb;
+ t.afii57797 = 0x05b8;
+ t.afii57798 = 0x05b7;
+ t.afii57799 = 0x05b0;
+ t.afii57800 = 0x05b2;
+ t.afii57801 = 0x05b1;
+ t.afii57802 = 0x05b3;
+ t.afii57803 = 0x05c2;
+ t.afii57804 = 0x05c1;
+ t.afii57806 = 0x05b9;
+ t.afii57807 = 0x05bc;
+ t.afii57839 = 0x05bd;
+ t.afii57841 = 0x05bf;
+ t.afii57842 = 0x05c0;
+ t.afii57929 = 0x02bc;
+ t.afii61248 = 0x2105;
+ t.afii61289 = 0x2113;
+ t.afii61352 = 0x2116;
+ t.afii61573 = 0x202c;
+ t.afii61574 = 0x202d;
+ t.afii61575 = 0x202e;
+ t.afii61664 = 0x200c;
+ t.afii63167 = 0x066d;
+ t.afii64937 = 0x02bd;
+ t.agrave = 0x00e0;
+ t.agujarati = 0x0a85;
+ t.agurmukhi = 0x0a05;
+ t.ahiragana = 0x3042;
+ t.ahookabove = 0x1ea3;
+ t.aibengali = 0x0990;
+ t.aibopomofo = 0x311e;
+ t.aideva = 0x0910;
+ t.aiecyrillic = 0x04d5;
+ t.aigujarati = 0x0a90;
+ t.aigurmukhi = 0x0a10;
+ t.aimatragurmukhi = 0x0a48;
+ t.ainarabic = 0x0639;
+ t.ainfinalarabic = 0xfeca;
+ t.aininitialarabic = 0xfecb;
+ t.ainmedialarabic = 0xfecc;
+ t.ainvertedbreve = 0x0203;
+ t.aivowelsignbengali = 0x09c8;
+ t.aivowelsigndeva = 0x0948;
+ t.aivowelsigngujarati = 0x0ac8;
+ t.akatakana = 0x30a2;
+ t.akatakanahalfwidth = 0xff71;
+ t.akorean = 0x314f;
+ t.alef = 0x05d0;
+ t.alefarabic = 0x0627;
+ t.alefdageshhebrew = 0xfb30;
+ t.aleffinalarabic = 0xfe8e;
+ t.alefhamzaabovearabic = 0x0623;
+ t.alefhamzaabovefinalarabic = 0xfe84;
+ t.alefhamzabelowarabic = 0x0625;
+ t.alefhamzabelowfinalarabic = 0xfe88;
+ t.alefhebrew = 0x05d0;
+ t.aleflamedhebrew = 0xfb4f;
+ t.alefmaddaabovearabic = 0x0622;
+ t.alefmaddaabovefinalarabic = 0xfe82;
+ t.alefmaksuraarabic = 0x0649;
+ t.alefmaksurafinalarabic = 0xfef0;
+ t.alefmaksurainitialarabic = 0xfef3;
+ t.alefmaksuramedialarabic = 0xfef4;
+ t.alefpatahhebrew = 0xfb2e;
+ t.alefqamatshebrew = 0xfb2f;
+ t.aleph = 0x2135;
+ t.allequal = 0x224c;
+ t.alpha = 0x03b1;
+ t.alphatonos = 0x03ac;
+ t.amacron = 0x0101;
+ t.amonospace = 0xff41;
+ t.ampersand = 0x0026;
+ t.ampersandmonospace = 0xff06;
+ t.ampersandsmall = 0xf726;
+ t.amsquare = 0x33c2;
+ t.anbopomofo = 0x3122;
+ t.angbopomofo = 0x3124;
+ t.angbracketleft = 0x3008;
+ t.angbracketright = 0x3009;
+ t.angkhankhuthai = 0x0e5a;
+ t.angle = 0x2220;
+ t.anglebracketleft = 0x3008;
+ t.anglebracketleftvertical = 0xfe3f;
+ t.anglebracketright = 0x3009;
+ t.anglebracketrightvertical = 0xfe40;
+ t.angleleft = 0x2329;
+ t.angleright = 0x232a;
+ t.angstrom = 0x212b;
+ t.anoteleia = 0x0387;
+ t.anudattadeva = 0x0952;
+ t.anusvarabengali = 0x0982;
+ t.anusvaradeva = 0x0902;
+ t.anusvaragujarati = 0x0a82;
+ t.aogonek = 0x0105;
+ t.apaatosquare = 0x3300;
+ t.aparen = 0x249c;
+ t.apostrophearmenian = 0x055a;
+ t.apostrophemod = 0x02bc;
+ t.apple = 0xf8ff;
+ t.approaches = 0x2250;
+ t.approxequal = 0x2248;
+ t.approxequalorimage = 0x2252;
+ t.approximatelyequal = 0x2245;
+ t.araeaekorean = 0x318e;
+ t.araeakorean = 0x318d;
+ t.arc = 0x2312;
+ t.arighthalfring = 0x1e9a;
+ t.aring = 0x00e5;
+ t.aringacute = 0x01fb;
+ t.aringbelow = 0x1e01;
+ t.arrowboth = 0x2194;
+ t.arrowdashdown = 0x21e3;
+ t.arrowdashleft = 0x21e0;
+ t.arrowdashright = 0x21e2;
+ t.arrowdashup = 0x21e1;
+ t.arrowdblboth = 0x21d4;
+ t.arrowdbldown = 0x21d3;
+ t.arrowdblleft = 0x21d0;
+ t.arrowdblright = 0x21d2;
+ t.arrowdblup = 0x21d1;
+ t.arrowdown = 0x2193;
+ t.arrowdownleft = 0x2199;
+ t.arrowdownright = 0x2198;
+ t.arrowdownwhite = 0x21e9;
+ t.arrowheaddownmod = 0x02c5;
+ t.arrowheadleftmod = 0x02c2;
+ t.arrowheadrightmod = 0x02c3;
+ t.arrowheadupmod = 0x02c4;
+ t.arrowhorizex = 0xf8e7;
+ t.arrowleft = 0x2190;
+ t.arrowleftdbl = 0x21d0;
+ t.arrowleftdblstroke = 0x21cd;
+ t.arrowleftoverright = 0x21c6;
+ t.arrowleftwhite = 0x21e6;
+ t.arrowright = 0x2192;
+ t.arrowrightdblstroke = 0x21cf;
+ t.arrowrightheavy = 0x279e;
+ t.arrowrightoverleft = 0x21c4;
+ t.arrowrightwhite = 0x21e8;
+ t.arrowtableft = 0x21e4;
+ t.arrowtabright = 0x21e5;
+ t.arrowup = 0x2191;
+ t.arrowupdn = 0x2195;
+ t.arrowupdnbse = 0x21a8;
+ t.arrowupdownbase = 0x21a8;
+ t.arrowupleft = 0x2196;
+ t.arrowupleftofdown = 0x21c5;
+ t.arrowupright = 0x2197;
+ t.arrowupwhite = 0x21e7;
+ t.arrowvertex = 0xf8e6;
+ t.asciicircum = 0x005e;
+ t.asciicircummonospace = 0xff3e;
+ t.asciitilde = 0x007e;
+ t.asciitildemonospace = 0xff5e;
+ t.ascript = 0x0251;
+ t.ascriptturned = 0x0252;
+ t.asmallhiragana = 0x3041;
+ t.asmallkatakana = 0x30a1;
+ t.asmallkatakanahalfwidth = 0xff67;
+ t.asterisk = 0x002a;
+ t.asteriskaltonearabic = 0x066d;
+ t.asteriskarabic = 0x066d;
+ t.asteriskmath = 0x2217;
+ t.asteriskmonospace = 0xff0a;
+ t.asterisksmall = 0xfe61;
+ t.asterism = 0x2042;
+ t.asuperior = 0xf6e9;
+ t.asymptoticallyequal = 0x2243;
+ t.at = 0x0040;
+ t.atilde = 0x00e3;
+ t.atmonospace = 0xff20;
+ t.atsmall = 0xfe6b;
+ t.aturned = 0x0250;
+ t.aubengali = 0x0994;
+ t.aubopomofo = 0x3120;
+ t.audeva = 0x0914;
+ t.augujarati = 0x0a94;
+ t.augurmukhi = 0x0a14;
+ t.aulengthmarkbengali = 0x09d7;
+ t.aumatragurmukhi = 0x0a4c;
+ t.auvowelsignbengali = 0x09cc;
+ t.auvowelsigndeva = 0x094c;
+ t.auvowelsigngujarati = 0x0acc;
+ t.avagrahadeva = 0x093d;
+ t.aybarmenian = 0x0561;
+ t.ayin = 0x05e2;
+ t.ayinaltonehebrew = 0xfb20;
+ t.ayinhebrew = 0x05e2;
+ t.b = 0x0062;
+ t.babengali = 0x09ac;
+ t.backslash = 0x005c;
+ t.backslashmonospace = 0xff3c;
+ t.badeva = 0x092c;
+ t.bagujarati = 0x0aac;
+ t.bagurmukhi = 0x0a2c;
+ t.bahiragana = 0x3070;
+ t.bahtthai = 0x0e3f;
+ t.bakatakana = 0x30d0;
+ t.bar = 0x007c;
+ t.barmonospace = 0xff5c;
+ t.bbopomofo = 0x3105;
+ t.bcircle = 0x24d1;
+ t.bdotaccent = 0x1e03;
+ t.bdotbelow = 0x1e05;
+ t.beamedsixteenthnotes = 0x266c;
+ t.because = 0x2235;
+ t.becyrillic = 0x0431;
+ t.beharabic = 0x0628;
+ t.behfinalarabic = 0xfe90;
+ t.behinitialarabic = 0xfe91;
+ t.behiragana = 0x3079;
+ t.behmedialarabic = 0xfe92;
+ t.behmeeminitialarabic = 0xfc9f;
+ t.behmeemisolatedarabic = 0xfc08;
+ t.behnoonfinalarabic = 0xfc6d;
+ t.bekatakana = 0x30d9;
+ t.benarmenian = 0x0562;
+ t.bet = 0x05d1;
+ t.beta = 0x03b2;
+ t.betasymbolgreek = 0x03d0;
+ t.betdagesh = 0xfb31;
+ t.betdageshhebrew = 0xfb31;
+ t.bethebrew = 0x05d1;
+ t.betrafehebrew = 0xfb4c;
+ t.bhabengali = 0x09ad;
+ t.bhadeva = 0x092d;
+ t.bhagujarati = 0x0aad;
+ t.bhagurmukhi = 0x0a2d;
+ t.bhook = 0x0253;
+ t.bihiragana = 0x3073;
+ t.bikatakana = 0x30d3;
+ t.bilabialclick = 0x0298;
+ t.bindigurmukhi = 0x0a02;
+ t.birusquare = 0x3331;
+ t.blackcircle = 0x25cf;
+ t.blackdiamond = 0x25c6;
+ t.blackdownpointingtriangle = 0x25bc;
+ t.blackleftpointingpointer = 0x25c4;
+ t.blackleftpointingtriangle = 0x25c0;
+ t.blacklenticularbracketleft = 0x3010;
+ t.blacklenticularbracketleftvertical = 0xfe3b;
+ t.blacklenticularbracketright = 0x3011;
+ t.blacklenticularbracketrightvertical = 0xfe3c;
+ t.blacklowerlefttriangle = 0x25e3;
+ t.blacklowerrighttriangle = 0x25e2;
+ t.blackrectangle = 0x25ac;
+ t.blackrightpointingpointer = 0x25ba;
+ t.blackrightpointingtriangle = 0x25b6;
+ t.blacksmallsquare = 0x25aa;
+ t.blacksmilingface = 0x263b;
+ t.blacksquare = 0x25a0;
+ t.blackstar = 0x2605;
+ t.blackupperlefttriangle = 0x25e4;
+ t.blackupperrighttriangle = 0x25e5;
+ t.blackuppointingsmalltriangle = 0x25b4;
+ t.blackuppointingtriangle = 0x25b2;
+ t.blank = 0x2423;
+ t.blinebelow = 0x1e07;
+ t.block = 0x2588;
+ t.bmonospace = 0xff42;
+ t.bobaimaithai = 0x0e1a;
+ t.bohiragana = 0x307c;
+ t.bokatakana = 0x30dc;
+ t.bparen = 0x249d;
+ t.bqsquare = 0x33c3;
+ t.braceex = 0xf8f4;
+ t.braceleft = 0x007b;
+ t.braceleftbt = 0xf8f3;
+ t.braceleftmid = 0xf8f2;
+ t.braceleftmonospace = 0xff5b;
+ t.braceleftsmall = 0xfe5b;
+ t.bracelefttp = 0xf8f1;
+ t.braceleftvertical = 0xfe37;
+ t.braceright = 0x007d;
+ t.bracerightbt = 0xf8fe;
+ t.bracerightmid = 0xf8fd;
+ t.bracerightmonospace = 0xff5d;
+ t.bracerightsmall = 0xfe5c;
+ t.bracerighttp = 0xf8fc;
+ t.bracerightvertical = 0xfe38;
+ t.bracketleft = 0x005b;
+ t.bracketleftbt = 0xf8f0;
+ t.bracketleftex = 0xf8ef;
+ t.bracketleftmonospace = 0xff3b;
+ t.bracketlefttp = 0xf8ee;
+ t.bracketright = 0x005d;
+ t.bracketrightbt = 0xf8fb;
+ t.bracketrightex = 0xf8fa;
+ t.bracketrightmonospace = 0xff3d;
+ t.bracketrighttp = 0xf8f9;
+ t.breve = 0x02d8;
+ t.brevebelowcmb = 0x032e;
+ t.brevecmb = 0x0306;
+ t.breveinvertedbelowcmb = 0x032f;
+ t.breveinvertedcmb = 0x0311;
+ t.breveinverteddoublecmb = 0x0361;
+ t.bridgebelowcmb = 0x032a;
+ t.bridgeinvertedbelowcmb = 0x033a;
+ t.brokenbar = 0x00a6;
+ t.bstroke = 0x0180;
+ t.bsuperior = 0xf6ea;
+ t.btopbar = 0x0183;
+ t.buhiragana = 0x3076;
+ t.bukatakana = 0x30d6;
+ t.bullet = 0x2022;
+ t.bulletinverse = 0x25d8;
+ t.bulletoperator = 0x2219;
+ t.bullseye = 0x25ce;
+ t.c = 0x0063;
+ t.caarmenian = 0x056e;
+ t.cabengali = 0x099a;
+ t.cacute = 0x0107;
+ t.cadeva = 0x091a;
+ t.cagujarati = 0x0a9a;
+ t.cagurmukhi = 0x0a1a;
+ t.calsquare = 0x3388;
+ t.candrabindubengali = 0x0981;
+ t.candrabinducmb = 0x0310;
+ t.candrabindudeva = 0x0901;
+ t.candrabindugujarati = 0x0a81;
+ t.capslock = 0x21ea;
+ t.careof = 0x2105;
+ t.caron = 0x02c7;
+ t.caronbelowcmb = 0x032c;
+ t.caroncmb = 0x030c;
+ t.carriagereturn = 0x21b5;
+ t.cbopomofo = 0x3118;
+ t.ccaron = 0x010d;
+ t.ccedilla = 0x00e7;
+ t.ccedillaacute = 0x1e09;
+ t.ccircle = 0x24d2;
+ t.ccircumflex = 0x0109;
+ t.ccurl = 0x0255;
+ t.cdot = 0x010b;
+ t.cdotaccent = 0x010b;
+ t.cdsquare = 0x33c5;
+ t.cedilla = 0x00b8;
+ t.cedillacmb = 0x0327;
+ t.cent = 0x00a2;
+ t.centigrade = 0x2103;
+ t.centinferior = 0xf6df;
+ t.centmonospace = 0xffe0;
+ t.centoldstyle = 0xf7a2;
+ t.centsuperior = 0xf6e0;
+ t.chaarmenian = 0x0579;
+ t.chabengali = 0x099b;
+ t.chadeva = 0x091b;
+ t.chagujarati = 0x0a9b;
+ t.chagurmukhi = 0x0a1b;
+ t.chbopomofo = 0x3114;
+ t.cheabkhasiancyrillic = 0x04bd;
+ t.checkmark = 0x2713;
+ t.checyrillic = 0x0447;
+ t.chedescenderabkhasiancyrillic = 0x04bf;
+ t.chedescendercyrillic = 0x04b7;
+ t.chedieresiscyrillic = 0x04f5;
+ t.cheharmenian = 0x0573;
+ t.chekhakassiancyrillic = 0x04cc;
+ t.cheverticalstrokecyrillic = 0x04b9;
+ t.chi = 0x03c7;
+ t.chieuchacirclekorean = 0x3277;
+ t.chieuchaparenkorean = 0x3217;
+ t.chieuchcirclekorean = 0x3269;
+ t.chieuchkorean = 0x314a;
+ t.chieuchparenkorean = 0x3209;
+ t.chochangthai = 0x0e0a;
+ t.chochanthai = 0x0e08;
+ t.chochingthai = 0x0e09;
+ t.chochoethai = 0x0e0c;
+ t.chook = 0x0188;
+ t.cieucacirclekorean = 0x3276;
+ t.cieucaparenkorean = 0x3216;
+ t.cieuccirclekorean = 0x3268;
+ t.cieuckorean = 0x3148;
+ t.cieucparenkorean = 0x3208;
+ t.cieucuparenkorean = 0x321c;
+ t.circle = 0x25cb;
+ t.circlecopyrt = 0x00a9;
+ t.circlemultiply = 0x2297;
+ t.circleot = 0x2299;
+ t.circleplus = 0x2295;
+ t.circlepostalmark = 0x3036;
+ t.circlewithlefthalfblack = 0x25d0;
+ t.circlewithrighthalfblack = 0x25d1;
+ t.circumflex = 0x02c6;
+ t.circumflexbelowcmb = 0x032d;
+ t.circumflexcmb = 0x0302;
+ t.clear = 0x2327;
+ t.clickalveolar = 0x01c2;
+ t.clickdental = 0x01c0;
+ t.clicklateral = 0x01c1;
+ t.clickretroflex = 0x01c3;
+ t.club = 0x2663;
+ t.clubsuitblack = 0x2663;
+ t.clubsuitwhite = 0x2667;
+ t.cmcubedsquare = 0x33a4;
+ t.cmonospace = 0xff43;
+ t.cmsquaredsquare = 0x33a0;
+ t.coarmenian = 0x0581;
+ t.colon = 0x003a;
+ t.colonmonetary = 0x20a1;
+ t.colonmonospace = 0xff1a;
+ t.colonsign = 0x20a1;
+ t.colonsmall = 0xfe55;
+ t.colontriangularhalfmod = 0x02d1;
+ t.colontriangularmod = 0x02d0;
+ t.comma = 0x002c;
+ t.commaabovecmb = 0x0313;
+ t.commaaboverightcmb = 0x0315;
+ t.commaaccent = 0xf6c3;
+ t.commaarabic = 0x060c;
+ t.commaarmenian = 0x055d;
+ t.commainferior = 0xf6e1;
+ t.commamonospace = 0xff0c;
+ t.commareversedabovecmb = 0x0314;
+ t.commareversedmod = 0x02bd;
+ t.commasmall = 0xfe50;
+ t.commasuperior = 0xf6e2;
+ t.commaturnedabovecmb = 0x0312;
+ t.commaturnedmod = 0x02bb;
+ t.compass = 0x263c;
+ t.congruent = 0x2245;
+ t.contourintegral = 0x222e;
+ t.control = 0x2303;
+ t.controlACK = 0x0006;
+ t.controlBEL = 0x0007;
+ t.controlBS = 0x0008;
+ t.controlCAN = 0x0018;
+ t.controlCR = 0x000d;
+ t.controlDC1 = 0x0011;
+ t.controlDC2 = 0x0012;
+ t.controlDC3 = 0x0013;
+ t.controlDC4 = 0x0014;
+ t.controlDEL = 0x007f;
+ t.controlDLE = 0x0010;
+ t.controlEM = 0x0019;
+ t.controlENQ = 0x0005;
+ t.controlEOT = 0x0004;
+ t.controlESC = 0x001b;
+ t.controlETB = 0x0017;
+ t.controlETX = 0x0003;
+ t.controlFF = 0x000c;
+ t.controlFS = 0x001c;
+ t.controlGS = 0x001d;
+ t.controlHT = 0x0009;
+ t.controlLF = 0x000a;
+ t.controlNAK = 0x0015;
+ t.controlNULL = 0x0000;
+ t.controlRS = 0x001e;
+ t.controlSI = 0x000f;
+ t.controlSO = 0x000e;
+ t.controlSOT = 0x0002;
+ t.controlSTX = 0x0001;
+ t.controlSUB = 0x001a;
+ t.controlSYN = 0x0016;
+ t.controlUS = 0x001f;
+ t.controlVT = 0x000b;
+ t.copyright = 0x00a9;
+ t.copyrightsans = 0xf8e9;
+ t.copyrightserif = 0xf6d9;
+ t.cornerbracketleft = 0x300c;
+ t.cornerbracketlefthalfwidth = 0xff62;
+ t.cornerbracketleftvertical = 0xfe41;
+ t.cornerbracketright = 0x300d;
+ t.cornerbracketrighthalfwidth = 0xff63;
+ t.cornerbracketrightvertical = 0xfe42;
+ t.corporationsquare = 0x337f;
+ t.cosquare = 0x33c7;
+ t.coverkgsquare = 0x33c6;
+ t.cparen = 0x249e;
+ t.cruzeiro = 0x20a2;
+ t.cstretched = 0x0297;
+ t.curlyand = 0x22cf;
+ t.curlyor = 0x22ce;
+ t.currency = 0x00a4;
+ t.cyrBreve = 0xf6d1;
+ t.cyrFlex = 0xf6d2;
+ t.cyrbreve = 0xf6d4;
+ t.cyrflex = 0xf6d5;
+ t.d = 0x0064;
+ t.daarmenian = 0x0564;
+ t.dabengali = 0x09a6;
+ t.dadarabic = 0x0636;
+ t.dadeva = 0x0926;
+ t.dadfinalarabic = 0xfebe;
+ t.dadinitialarabic = 0xfebf;
+ t.dadmedialarabic = 0xfec0;
+ t.dagesh = 0x05bc;
+ t.dageshhebrew = 0x05bc;
+ t.dagger = 0x2020;
+ t.daggerdbl = 0x2021;
+ t.dagujarati = 0x0aa6;
+ t.dagurmukhi = 0x0a26;
+ t.dahiragana = 0x3060;
+ t.dakatakana = 0x30c0;
+ t.dalarabic = 0x062f;
+ t.dalet = 0x05d3;
+ t.daletdagesh = 0xfb33;
+ t.daletdageshhebrew = 0xfb33;
+ t.dalethebrew = 0x05d3;
+ t.dalfinalarabic = 0xfeaa;
+ t.dammaarabic = 0x064f;
+ t.dammalowarabic = 0x064f;
+ t.dammatanaltonearabic = 0x064c;
+ t.dammatanarabic = 0x064c;
+ t.danda = 0x0964;
+ t.dargahebrew = 0x05a7;
+ t.dargalefthebrew = 0x05a7;
+ t.dasiapneumatacyrilliccmb = 0x0485;
+ t.dblGrave = 0xf6d3;
+ t.dblanglebracketleft = 0x300a;
+ t.dblanglebracketleftvertical = 0xfe3d;
+ t.dblanglebracketright = 0x300b;
+ t.dblanglebracketrightvertical = 0xfe3e;
+ t.dblarchinvertedbelowcmb = 0x032b;
+ t.dblarrowleft = 0x21d4;
+ t.dblarrowright = 0x21d2;
+ t.dbldanda = 0x0965;
+ t.dblgrave = 0xf6d6;
+ t.dblgravecmb = 0x030f;
+ t.dblintegral = 0x222c;
+ t.dbllowline = 0x2017;
+ t.dbllowlinecmb = 0x0333;
+ t.dbloverlinecmb = 0x033f;
+ t.dblprimemod = 0x02ba;
+ t.dblverticalbar = 0x2016;
+ t.dblverticallineabovecmb = 0x030e;
+ t.dbopomofo = 0x3109;
+ t.dbsquare = 0x33c8;
+ t.dcaron = 0x010f;
+ t.dcedilla = 0x1e11;
+ t.dcircle = 0x24d3;
+ t.dcircumflexbelow = 0x1e13;
+ t.dcroat = 0x0111;
+ t.ddabengali = 0x09a1;
+ t.ddadeva = 0x0921;
+ t.ddagujarati = 0x0aa1;
+ t.ddagurmukhi = 0x0a21;
+ t.ddalarabic = 0x0688;
+ t.ddalfinalarabic = 0xfb89;
+ t.dddhadeva = 0x095c;
+ t.ddhabengali = 0x09a2;
+ t.ddhadeva = 0x0922;
+ t.ddhagujarati = 0x0aa2;
+ t.ddhagurmukhi = 0x0a22;
+ t.ddotaccent = 0x1e0b;
+ t.ddotbelow = 0x1e0d;
+ t.decimalseparatorarabic = 0x066b;
+ t.decimalseparatorpersian = 0x066b;
+ t.decyrillic = 0x0434;
+ t.degree = 0x00b0;
+ t.dehihebrew = 0x05ad;
+ t.dehiragana = 0x3067;
+ t.deicoptic = 0x03ef;
+ t.dekatakana = 0x30c7;
+ t.deleteleft = 0x232b;
+ t.deleteright = 0x2326;
+ t.delta = 0x03b4;
+ t.deltaturned = 0x018d;
+ t.denominatorminusonenumeratorbengali = 0x09f8;
+ t.dezh = 0x02a4;
+ t.dhabengali = 0x09a7;
+ t.dhadeva = 0x0927;
+ t.dhagujarati = 0x0aa7;
+ t.dhagurmukhi = 0x0a27;
+ t.dhook = 0x0257;
+ t.dialytikatonos = 0x0385;
+ t.dialytikatonoscmb = 0x0344;
+ t.diamond = 0x2666;
+ t.diamondsuitwhite = 0x2662;
+ t.dieresis = 0x00a8;
+ t.dieresisacute = 0xf6d7;
+ t.dieresisbelowcmb = 0x0324;
+ t.dieresiscmb = 0x0308;
+ t.dieresisgrave = 0xf6d8;
+ t.dieresistonos = 0x0385;
+ t.dihiragana = 0x3062;
+ t.dikatakana = 0x30c2;
+ t.dittomark = 0x3003;
+ t.divide = 0x00f7;
+ t.divides = 0x2223;
+ t.divisionslash = 0x2215;
+ t.djecyrillic = 0x0452;
+ t.dkshade = 0x2593;
+ t.dlinebelow = 0x1e0f;
+ t.dlsquare = 0x3397;
+ t.dmacron = 0x0111;
+ t.dmonospace = 0xff44;
+ t.dnblock = 0x2584;
+ t.dochadathai = 0x0e0e;
+ t.dodekthai = 0x0e14;
+ t.dohiragana = 0x3069;
+ t.dokatakana = 0x30c9;
+ t.dollar = 0x0024;
+ t.dollarinferior = 0xf6e3;
+ t.dollarmonospace = 0xff04;
+ t.dollaroldstyle = 0xf724;
+ t.dollarsmall = 0xfe69;
+ t.dollarsuperior = 0xf6e4;
+ t.dong = 0x20ab;
+ t.dorusquare = 0x3326;
+ t.dotaccent = 0x02d9;
+ t.dotaccentcmb = 0x0307;
+ t.dotbelowcmb = 0x0323;
+ t.dotbelowcomb = 0x0323;
+ t.dotkatakana = 0x30fb;
+ t.dotlessi = 0x0131;
+ t.dotlessj = 0xf6be;
+ t.dotlessjstrokehook = 0x0284;
+ t.dotmath = 0x22c5;
+ t.dottedcircle = 0x25cc;
+ t.doubleyodpatah = 0xfb1f;
+ t.doubleyodpatahhebrew = 0xfb1f;
+ t.downtackbelowcmb = 0x031e;
+ t.downtackmod = 0x02d5;
+ t.dparen = 0x249f;
+ t.dsuperior = 0xf6eb;
+ t.dtail = 0x0256;
+ t.dtopbar = 0x018c;
+ t.duhiragana = 0x3065;
+ t.dukatakana = 0x30c5;
+ t.dz = 0x01f3;
+ t.dzaltone = 0x02a3;
+ t.dzcaron = 0x01c6;
+ t.dzcurl = 0x02a5;
+ t.dzeabkhasiancyrillic = 0x04e1;
+ t.dzecyrillic = 0x0455;
+ t.dzhecyrillic = 0x045f;
+ t.e = 0x0065;
+ t.eacute = 0x00e9;
+ t.earth = 0x2641;
+ t.ebengali = 0x098f;
+ t.ebopomofo = 0x311c;
+ t.ebreve = 0x0115;
+ t.ecandradeva = 0x090d;
+ t.ecandragujarati = 0x0a8d;
+ t.ecandravowelsigndeva = 0x0945;
+ t.ecandravowelsigngujarati = 0x0ac5;
+ t.ecaron = 0x011b;
+ t.ecedillabreve = 0x1e1d;
+ t.echarmenian = 0x0565;
+ t.echyiwnarmenian = 0x0587;
+ t.ecircle = 0x24d4;
+ t.ecircumflex = 0x00ea;
+ t.ecircumflexacute = 0x1ebf;
+ t.ecircumflexbelow = 0x1e19;
+ t.ecircumflexdotbelow = 0x1ec7;
+ t.ecircumflexgrave = 0x1ec1;
+ t.ecircumflexhookabove = 0x1ec3;
+ t.ecircumflextilde = 0x1ec5;
+ t.ecyrillic = 0x0454;
+ t.edblgrave = 0x0205;
+ t.edeva = 0x090f;
+ t.edieresis = 0x00eb;
+ t.edot = 0x0117;
+ t.edotaccent = 0x0117;
+ t.edotbelow = 0x1eb9;
+ t.eegurmukhi = 0x0a0f;
+ t.eematragurmukhi = 0x0a47;
+ t.efcyrillic = 0x0444;
+ t.egrave = 0x00e8;
+ t.egujarati = 0x0a8f;
+ t.eharmenian = 0x0567;
+ t.ehbopomofo = 0x311d;
+ t.ehiragana = 0x3048;
+ t.ehookabove = 0x1ebb;
+ t.eibopomofo = 0x311f;
+ t.eight = 0x0038;
+ t.eightarabic = 0x0668;
+ t.eightbengali = 0x09ee;
+ t.eightcircle = 0x2467;
+ t.eightcircleinversesansserif = 0x2791;
+ t.eightdeva = 0x096e;
+ t.eighteencircle = 0x2471;
+ t.eighteenparen = 0x2485;
+ t.eighteenperiod = 0x2499;
+ t.eightgujarati = 0x0aee;
+ t.eightgurmukhi = 0x0a6e;
+ t.eighthackarabic = 0x0668;
+ t.eighthangzhou = 0x3028;
+ t.eighthnotebeamed = 0x266b;
+ t.eightideographicparen = 0x3227;
+ t.eightinferior = 0x2088;
+ t.eightmonospace = 0xff18;
+ t.eightoldstyle = 0xf738;
+ t.eightparen = 0x247b;
+ t.eightperiod = 0x248f;
+ t.eightpersian = 0x06f8;
+ t.eightroman = 0x2177;
+ t.eightsuperior = 0x2078;
+ t.eightthai = 0x0e58;
+ t.einvertedbreve = 0x0207;
+ t.eiotifiedcyrillic = 0x0465;
+ t.ekatakana = 0x30a8;
+ t.ekatakanahalfwidth = 0xff74;
+ t.ekonkargurmukhi = 0x0a74;
+ t.ekorean = 0x3154;
+ t.elcyrillic = 0x043b;
+ t.element = 0x2208;
+ t.elevencircle = 0x246a;
+ t.elevenparen = 0x247e;
+ t.elevenperiod = 0x2492;
+ t.elevenroman = 0x217a;
+ t.ellipsis = 0x2026;
+ t.ellipsisvertical = 0x22ee;
+ t.emacron = 0x0113;
+ t.emacronacute = 0x1e17;
+ t.emacrongrave = 0x1e15;
+ t.emcyrillic = 0x043c;
+ t.emdash = 0x2014;
+ t.emdashvertical = 0xfe31;
+ t.emonospace = 0xff45;
+ t.emphasismarkarmenian = 0x055b;
+ t.emptyset = 0x2205;
+ t.enbopomofo = 0x3123;
+ t.encyrillic = 0x043d;
+ t.endash = 0x2013;
+ t.endashvertical = 0xfe32;
+ t.endescendercyrillic = 0x04a3;
+ t.eng = 0x014b;
+ t.engbopomofo = 0x3125;
+ t.enghecyrillic = 0x04a5;
+ t.enhookcyrillic = 0x04c8;
+ t.enspace = 0x2002;
+ t.eogonek = 0x0119;
+ t.eokorean = 0x3153;
+ t.eopen = 0x025b;
+ t.eopenclosed = 0x029a;
+ t.eopenreversed = 0x025c;
+ t.eopenreversedclosed = 0x025e;
+ t.eopenreversedhook = 0x025d;
+ t.eparen = 0x24a0;
+ t.epsilon = 0x03b5;
+ t.epsilontonos = 0x03ad;
+ t.equal = 0x003d;
+ t.equalmonospace = 0xff1d;
+ t.equalsmall = 0xfe66;
+ t.equalsuperior = 0x207c;
+ t.equivalence = 0x2261;
+ t.erbopomofo = 0x3126;
+ t.ercyrillic = 0x0440;
+ t.ereversed = 0x0258;
+ t.ereversedcyrillic = 0x044d;
+ t.escyrillic = 0x0441;
+ t.esdescendercyrillic = 0x04ab;
+ t.esh = 0x0283;
+ t.eshcurl = 0x0286;
+ t.eshortdeva = 0x090e;
+ t.eshortvowelsigndeva = 0x0946;
+ t.eshreversedloop = 0x01aa;
+ t.eshsquatreversed = 0x0285;
+ t.esmallhiragana = 0x3047;
+ t.esmallkatakana = 0x30a7;
+ t.esmallkatakanahalfwidth = 0xff6a;
+ t.estimated = 0x212e;
+ t.esuperior = 0xf6ec;
+ t.eta = 0x03b7;
+ t.etarmenian = 0x0568;
+ t.etatonos = 0x03ae;
+ t.eth = 0x00f0;
+ t.etilde = 0x1ebd;
+ t.etildebelow = 0x1e1b;
+ t.etnahtafoukhhebrew = 0x0591;
+ t.etnahtafoukhlefthebrew = 0x0591;
+ t.etnahtahebrew = 0x0591;
+ t.etnahtalefthebrew = 0x0591;
+ t.eturned = 0x01dd;
+ t.eukorean = 0x3161;
+ t.euro = 0x20ac;
+ t.evowelsignbengali = 0x09c7;
+ t.evowelsigndeva = 0x0947;
+ t.evowelsigngujarati = 0x0ac7;
+ t.exclam = 0x0021;
+ t.exclamarmenian = 0x055c;
+ t.exclamdbl = 0x203c;
+ t.exclamdown = 0x00a1;
+ t.exclamdownsmall = 0xf7a1;
+ t.exclammonospace = 0xff01;
+ t.exclamsmall = 0xf721;
+ t.existential = 0x2203;
+ t.ezh = 0x0292;
+ t.ezhcaron = 0x01ef;
+ t.ezhcurl = 0x0293;
+ t.ezhreversed = 0x01b9;
+ t.ezhtail = 0x01ba;
+ t.f = 0x0066;
+ t.fadeva = 0x095e;
+ t.fagurmukhi = 0x0a5e;
+ t.fahrenheit = 0x2109;
+ t.fathaarabic = 0x064e;
+ t.fathalowarabic = 0x064e;
+ t.fathatanarabic = 0x064b;
+ t.fbopomofo = 0x3108;
+ t.fcircle = 0x24d5;
+ t.fdotaccent = 0x1e1f;
+ t.feharabic = 0x0641;
+ t.feharmenian = 0x0586;
+ t.fehfinalarabic = 0xfed2;
+ t.fehinitialarabic = 0xfed3;
+ t.fehmedialarabic = 0xfed4;
+ t.feicoptic = 0x03e5;
+ t.female = 0x2640;
+ t.ff = 0xfb00;
+ t.f_f = 0xfb00;
+ t.ffi = 0xfb03;
+ t.ffl = 0xfb04;
+ t.fi = 0xfb01;
+ t.fifteencircle = 0x246e;
+ t.fifteenparen = 0x2482;
+ t.fifteenperiod = 0x2496;
+ t.figuredash = 0x2012;
+ t.filledbox = 0x25a0;
+ t.filledrect = 0x25ac;
+ t.finalkaf = 0x05da;
+ t.finalkafdagesh = 0xfb3a;
+ t.finalkafdageshhebrew = 0xfb3a;
+ t.finalkafhebrew = 0x05da;
+ t.finalmem = 0x05dd;
+ t.finalmemhebrew = 0x05dd;
+ t.finalnun = 0x05df;
+ t.finalnunhebrew = 0x05df;
+ t.finalpe = 0x05e3;
+ t.finalpehebrew = 0x05e3;
+ t.finaltsadi = 0x05e5;
+ t.finaltsadihebrew = 0x05e5;
+ t.firsttonechinese = 0x02c9;
+ t.fisheye = 0x25c9;
+ t.fitacyrillic = 0x0473;
+ t.five = 0x0035;
+ t.fivearabic = 0x0665;
+ t.fivebengali = 0x09eb;
+ t.fivecircle = 0x2464;
+ t.fivecircleinversesansserif = 0x278e;
+ t.fivedeva = 0x096b;
+ t.fiveeighths = 0x215d;
+ t.fivegujarati = 0x0aeb;
+ t.fivegurmukhi = 0x0a6b;
+ t.fivehackarabic = 0x0665;
+ t.fivehangzhou = 0x3025;
+ t.fiveideographicparen = 0x3224;
+ t.fiveinferior = 0x2085;
+ t.fivemonospace = 0xff15;
+ t.fiveoldstyle = 0xf735;
+ t.fiveparen = 0x2478;
+ t.fiveperiod = 0x248c;
+ t.fivepersian = 0x06f5;
+ t.fiveroman = 0x2174;
+ t.fivesuperior = 0x2075;
+ t.fivethai = 0x0e55;
+ t.fl = 0xfb02;
+ t.florin = 0x0192;
+ t.fmonospace = 0xff46;
+ t.fmsquare = 0x3399;
+ t.fofanthai = 0x0e1f;
+ t.fofathai = 0x0e1d;
+ t.fongmanthai = 0x0e4f;
+ t.forall = 0x2200;
+ t.four = 0x0034;
+ t.fourarabic = 0x0664;
+ t.fourbengali = 0x09ea;
+ t.fourcircle = 0x2463;
+ t.fourcircleinversesansserif = 0x278d;
+ t.fourdeva = 0x096a;
+ t.fourgujarati = 0x0aea;
+ t.fourgurmukhi = 0x0a6a;
+ t.fourhackarabic = 0x0664;
+ t.fourhangzhou = 0x3024;
+ t.fourideographicparen = 0x3223;
+ t.fourinferior = 0x2084;
+ t.fourmonospace = 0xff14;
+ t.fournumeratorbengali = 0x09f7;
+ t.fouroldstyle = 0xf734;
+ t.fourparen = 0x2477;
+ t.fourperiod = 0x248b;
+ t.fourpersian = 0x06f4;
+ t.fourroman = 0x2173;
+ t.foursuperior = 0x2074;
+ t.fourteencircle = 0x246d;
+ t.fourteenparen = 0x2481;
+ t.fourteenperiod = 0x2495;
+ t.fourthai = 0x0e54;
+ t.fourthtonechinese = 0x02cb;
+ t.fparen = 0x24a1;
+ t.fraction = 0x2044;
+ t.franc = 0x20a3;
+ t.g = 0x0067;
+ t.gabengali = 0x0997;
+ t.gacute = 0x01f5;
+ t.gadeva = 0x0917;
+ t.gafarabic = 0x06af;
+ t.gaffinalarabic = 0xfb93;
+ t.gafinitialarabic = 0xfb94;
+ t.gafmedialarabic = 0xfb95;
+ t.gagujarati = 0x0a97;
+ t.gagurmukhi = 0x0a17;
+ t.gahiragana = 0x304c;
+ t.gakatakana = 0x30ac;
+ t.gamma = 0x03b3;
+ t.gammalatinsmall = 0x0263;
+ t.gammasuperior = 0x02e0;
+ t.gangiacoptic = 0x03eb;
+ t.gbopomofo = 0x310d;
+ t.gbreve = 0x011f;
+ t.gcaron = 0x01e7;
+ t.gcedilla = 0x0123;
+ t.gcircle = 0x24d6;
+ t.gcircumflex = 0x011d;
+ t.gcommaaccent = 0x0123;
+ t.gdot = 0x0121;
+ t.gdotaccent = 0x0121;
+ t.gecyrillic = 0x0433;
+ t.gehiragana = 0x3052;
+ t.gekatakana = 0x30b2;
+ t.geometricallyequal = 0x2251;
+ t.gereshaccenthebrew = 0x059c;
+ t.gereshhebrew = 0x05f3;
+ t.gereshmuqdamhebrew = 0x059d;
+ t.germandbls = 0x00df;
+ t.gershayimaccenthebrew = 0x059e;
+ t.gershayimhebrew = 0x05f4;
+ t.getamark = 0x3013;
+ t.ghabengali = 0x0998;
+ t.ghadarmenian = 0x0572;
+ t.ghadeva = 0x0918;
+ t.ghagujarati = 0x0a98;
+ t.ghagurmukhi = 0x0a18;
+ t.ghainarabic = 0x063a;
+ t.ghainfinalarabic = 0xfece;
+ t.ghaininitialarabic = 0xfecf;
+ t.ghainmedialarabic = 0xfed0;
+ t.ghemiddlehookcyrillic = 0x0495;
+ t.ghestrokecyrillic = 0x0493;
+ t.gheupturncyrillic = 0x0491;
+ t.ghhadeva = 0x095a;
+ t.ghhagurmukhi = 0x0a5a;
+ t.ghook = 0x0260;
+ t.ghzsquare = 0x3393;
+ t.gihiragana = 0x304e;
+ t.gikatakana = 0x30ae;
+ t.gimarmenian = 0x0563;
+ t.gimel = 0x05d2;
+ t.gimeldagesh = 0xfb32;
+ t.gimeldageshhebrew = 0xfb32;
+ t.gimelhebrew = 0x05d2;
+ t.gjecyrillic = 0x0453;
+ t.glottalinvertedstroke = 0x01be;
+ t.glottalstop = 0x0294;
+ t.glottalstopinverted = 0x0296;
+ t.glottalstopmod = 0x02c0;
+ t.glottalstopreversed = 0x0295;
+ t.glottalstopreversedmod = 0x02c1;
+ t.glottalstopreversedsuperior = 0x02e4;
+ t.glottalstopstroke = 0x02a1;
+ t.glottalstopstrokereversed = 0x02a2;
+ t.gmacron = 0x1e21;
+ t.gmonospace = 0xff47;
+ t.gohiragana = 0x3054;
+ t.gokatakana = 0x30b4;
+ t.gparen = 0x24a2;
+ t.gpasquare = 0x33ac;
+ t.gradient = 0x2207;
+ t.grave = 0x0060;
+ t.gravebelowcmb = 0x0316;
+ t.gravecmb = 0x0300;
+ t.gravecomb = 0x0300;
+ t.gravedeva = 0x0953;
+ t.gravelowmod = 0x02ce;
+ t.gravemonospace = 0xff40;
+ t.gravetonecmb = 0x0340;
+ t.greater = 0x003e;
+ t.greaterequal = 0x2265;
+ t.greaterequalorless = 0x22db;
+ t.greatermonospace = 0xff1e;
+ t.greaterorequivalent = 0x2273;
+ t.greaterorless = 0x2277;
+ t.greateroverequal = 0x2267;
+ t.greatersmall = 0xfe65;
+ t.gscript = 0x0261;
+ t.gstroke = 0x01e5;
+ t.guhiragana = 0x3050;
+ t.guillemotleft = 0x00ab;
+ t.guillemotright = 0x00bb;
+ t.guilsinglleft = 0x2039;
+ t.guilsinglright = 0x203a;
+ t.gukatakana = 0x30b0;
+ t.guramusquare = 0x3318;
+ t.gysquare = 0x33c9;
+ t.h = 0x0068;
+ t.haabkhasiancyrillic = 0x04a9;
+ t.haaltonearabic = 0x06c1;
+ t.habengali = 0x09b9;
+ t.hadescendercyrillic = 0x04b3;
+ t.hadeva = 0x0939;
+ t.hagujarati = 0x0ab9;
+ t.hagurmukhi = 0x0a39;
+ t.haharabic = 0x062d;
+ t.hahfinalarabic = 0xfea2;
+ t.hahinitialarabic = 0xfea3;
+ t.hahiragana = 0x306f;
+ t.hahmedialarabic = 0xfea4;
+ t.haitusquare = 0x332a;
+ t.hakatakana = 0x30cf;
+ t.hakatakanahalfwidth = 0xff8a;
+ t.halantgurmukhi = 0x0a4d;
+ t.hamzaarabic = 0x0621;
+ t.hamzalowarabic = 0x0621;
+ t.hangulfiller = 0x3164;
+ t.hardsigncyrillic = 0x044a;
+ t.harpoonleftbarbup = 0x21bc;
+ t.harpoonrightbarbup = 0x21c0;
+ t.hasquare = 0x33ca;
+ t.hatafpatah = 0x05b2;
+ t.hatafpatah16 = 0x05b2;
+ t.hatafpatah23 = 0x05b2;
+ t.hatafpatah2f = 0x05b2;
+ t.hatafpatahhebrew = 0x05b2;
+ t.hatafpatahnarrowhebrew = 0x05b2;
+ t.hatafpatahquarterhebrew = 0x05b2;
+ t.hatafpatahwidehebrew = 0x05b2;
+ t.hatafqamats = 0x05b3;
+ t.hatafqamats1b = 0x05b3;
+ t.hatafqamats28 = 0x05b3;
+ t.hatafqamats34 = 0x05b3;
+ t.hatafqamatshebrew = 0x05b3;
+ t.hatafqamatsnarrowhebrew = 0x05b3;
+ t.hatafqamatsquarterhebrew = 0x05b3;
+ t.hatafqamatswidehebrew = 0x05b3;
+ t.hatafsegol = 0x05b1;
+ t.hatafsegol17 = 0x05b1;
+ t.hatafsegol24 = 0x05b1;
+ t.hatafsegol30 = 0x05b1;
+ t.hatafsegolhebrew = 0x05b1;
+ t.hatafsegolnarrowhebrew = 0x05b1;
+ t.hatafsegolquarterhebrew = 0x05b1;
+ t.hatafsegolwidehebrew = 0x05b1;
+ t.hbar = 0x0127;
+ t.hbopomofo = 0x310f;
+ t.hbrevebelow = 0x1e2b;
+ t.hcedilla = 0x1e29;
+ t.hcircle = 0x24d7;
+ t.hcircumflex = 0x0125;
+ t.hdieresis = 0x1e27;
+ t.hdotaccent = 0x1e23;
+ t.hdotbelow = 0x1e25;
+ t.he = 0x05d4;
+ t.heart = 0x2665;
+ t.heartsuitblack = 0x2665;
+ t.heartsuitwhite = 0x2661;
+ t.hedagesh = 0xfb34;
+ t.hedageshhebrew = 0xfb34;
+ t.hehaltonearabic = 0x06c1;
+ t.heharabic = 0x0647;
+ t.hehebrew = 0x05d4;
+ t.hehfinalaltonearabic = 0xfba7;
+ t.hehfinalalttwoarabic = 0xfeea;
+ t.hehfinalarabic = 0xfeea;
+ t.hehhamzaabovefinalarabic = 0xfba5;
+ t.hehhamzaaboveisolatedarabic = 0xfba4;
+ t.hehinitialaltonearabic = 0xfba8;
+ t.hehinitialarabic = 0xfeeb;
+ t.hehiragana = 0x3078;
+ t.hehmedialaltonearabic = 0xfba9;
+ t.hehmedialarabic = 0xfeec;
+ t.heiseierasquare = 0x337b;
+ t.hekatakana = 0x30d8;
+ t.hekatakanahalfwidth = 0xff8d;
+ t.hekutaarusquare = 0x3336;
+ t.henghook = 0x0267;
+ t.herutusquare = 0x3339;
+ t.het = 0x05d7;
+ t.hethebrew = 0x05d7;
+ t.hhook = 0x0266;
+ t.hhooksuperior = 0x02b1;
+ t.hieuhacirclekorean = 0x327b;
+ t.hieuhaparenkorean = 0x321b;
+ t.hieuhcirclekorean = 0x326d;
+ t.hieuhkorean = 0x314e;
+ t.hieuhparenkorean = 0x320d;
+ t.hihiragana = 0x3072;
+ t.hikatakana = 0x30d2;
+ t.hikatakanahalfwidth = 0xff8b;
+ t.hiriq = 0x05b4;
+ t.hiriq14 = 0x05b4;
+ t.hiriq21 = 0x05b4;
+ t.hiriq2d = 0x05b4;
+ t.hiriqhebrew = 0x05b4;
+ t.hiriqnarrowhebrew = 0x05b4;
+ t.hiriqquarterhebrew = 0x05b4;
+ t.hiriqwidehebrew = 0x05b4;
+ t.hlinebelow = 0x1e96;
+ t.hmonospace = 0xff48;
+ t.hoarmenian = 0x0570;
+ t.hohipthai = 0x0e2b;
+ t.hohiragana = 0x307b;
+ t.hokatakana = 0x30db;
+ t.hokatakanahalfwidth = 0xff8e;
+ t.holam = 0x05b9;
+ t.holam19 = 0x05b9;
+ t.holam26 = 0x05b9;
+ t.holam32 = 0x05b9;
+ t.holamhebrew = 0x05b9;
+ t.holamnarrowhebrew = 0x05b9;
+ t.holamquarterhebrew = 0x05b9;
+ t.holamwidehebrew = 0x05b9;
+ t.honokhukthai = 0x0e2e;
+ t.hookabovecomb = 0x0309;
+ t.hookcmb = 0x0309;
+ t.hookpalatalizedbelowcmb = 0x0321;
+ t.hookretroflexbelowcmb = 0x0322;
+ t.hoonsquare = 0x3342;
+ t.horicoptic = 0x03e9;
+ t.horizontalbar = 0x2015;
+ t.horncmb = 0x031b;
+ t.hotsprings = 0x2668;
+ t.house = 0x2302;
+ t.hparen = 0x24a3;
+ t.hsuperior = 0x02b0;
+ t.hturned = 0x0265;
+ t.huhiragana = 0x3075;
+ t.huiitosquare = 0x3333;
+ t.hukatakana = 0x30d5;
+ t.hukatakanahalfwidth = 0xff8c;
+ t.hungarumlaut = 0x02dd;
+ t.hungarumlautcmb = 0x030b;
+ t.hv = 0x0195;
+ t.hyphen = 0x002d;
+ t.hypheninferior = 0xf6e5;
+ t.hyphenmonospace = 0xff0d;
+ t.hyphensmall = 0xfe63;
+ t.hyphensuperior = 0xf6e6;
+ t.hyphentwo = 0x2010;
+ t.i = 0x0069;
+ t.iacute = 0x00ed;
+ t.iacyrillic = 0x044f;
+ t.ibengali = 0x0987;
+ t.ibopomofo = 0x3127;
+ t.ibreve = 0x012d;
+ t.icaron = 0x01d0;
+ t.icircle = 0x24d8;
+ t.icircumflex = 0x00ee;
+ t.icyrillic = 0x0456;
+ t.idblgrave = 0x0209;
+ t.ideographearthcircle = 0x328f;
+ t.ideographfirecircle = 0x328b;
+ t.ideographicallianceparen = 0x323f;
+ t.ideographiccallparen = 0x323a;
+ t.ideographiccentrecircle = 0x32a5;
+ t.ideographicclose = 0x3006;
+ t.ideographiccomma = 0x3001;
+ t.ideographiccommaleft = 0xff64;
+ t.ideographiccongratulationparen = 0x3237;
+ t.ideographiccorrectcircle = 0x32a3;
+ t.ideographicearthparen = 0x322f;
+ t.ideographicenterpriseparen = 0x323d;
+ t.ideographicexcellentcircle = 0x329d;
+ t.ideographicfestivalparen = 0x3240;
+ t.ideographicfinancialcircle = 0x3296;
+ t.ideographicfinancialparen = 0x3236;
+ t.ideographicfireparen = 0x322b;
+ t.ideographichaveparen = 0x3232;
+ t.ideographichighcircle = 0x32a4;
+ t.ideographiciterationmark = 0x3005;
+ t.ideographiclaborcircle = 0x3298;
+ t.ideographiclaborparen = 0x3238;
+ t.ideographicleftcircle = 0x32a7;
+ t.ideographiclowcircle = 0x32a6;
+ t.ideographicmedicinecircle = 0x32a9;
+ t.ideographicmetalparen = 0x322e;
+ t.ideographicmoonparen = 0x322a;
+ t.ideographicnameparen = 0x3234;
+ t.ideographicperiod = 0x3002;
+ t.ideographicprintcircle = 0x329e;
+ t.ideographicreachparen = 0x3243;
+ t.ideographicrepresentparen = 0x3239;
+ t.ideographicresourceparen = 0x323e;
+ t.ideographicrightcircle = 0x32a8;
+ t.ideographicsecretcircle = 0x3299;
+ t.ideographicselfparen = 0x3242;
+ t.ideographicsocietyparen = 0x3233;
+ t.ideographicspace = 0x3000;
+ t.ideographicspecialparen = 0x3235;
+ t.ideographicstockparen = 0x3231;
+ t.ideographicstudyparen = 0x323b;
+ t.ideographicsunparen = 0x3230;
+ t.ideographicsuperviseparen = 0x323c;
+ t.ideographicwaterparen = 0x322c;
+ t.ideographicwoodparen = 0x322d;
+ t.ideographiczero = 0x3007;
+ t.ideographmetalcircle = 0x328e;
+ t.ideographmooncircle = 0x328a;
+ t.ideographnamecircle = 0x3294;
+ t.ideographsuncircle = 0x3290;
+ t.ideographwatercircle = 0x328c;
+ t.ideographwoodcircle = 0x328d;
+ t.ideva = 0x0907;
+ t.idieresis = 0x00ef;
+ t.idieresisacute = 0x1e2f;
+ t.idieresiscyrillic = 0x04e5;
+ t.idotbelow = 0x1ecb;
+ t.iebrevecyrillic = 0x04d7;
+ t.iecyrillic = 0x0435;
+ t.ieungacirclekorean = 0x3275;
+ t.ieungaparenkorean = 0x3215;
+ t.ieungcirclekorean = 0x3267;
+ t.ieungkorean = 0x3147;
+ t.ieungparenkorean = 0x3207;
+ t.igrave = 0x00ec;
+ t.igujarati = 0x0a87;
+ t.igurmukhi = 0x0a07;
+ t.ihiragana = 0x3044;
+ t.ihookabove = 0x1ec9;
+ t.iibengali = 0x0988;
+ t.iicyrillic = 0x0438;
+ t.iideva = 0x0908;
+ t.iigujarati = 0x0a88;
+ t.iigurmukhi = 0x0a08;
+ t.iimatragurmukhi = 0x0a40;
+ t.iinvertedbreve = 0x020b;
+ t.iishortcyrillic = 0x0439;
+ t.iivowelsignbengali = 0x09c0;
+ t.iivowelsigndeva = 0x0940;
+ t.iivowelsigngujarati = 0x0ac0;
+ t.ij = 0x0133;
+ t.ikatakana = 0x30a4;
+ t.ikatakanahalfwidth = 0xff72;
+ t.ikorean = 0x3163;
+ t.ilde = 0x02dc;
+ t.iluyhebrew = 0x05ac;
+ t.imacron = 0x012b;
+ t.imacroncyrillic = 0x04e3;
+ t.imageorapproximatelyequal = 0x2253;
+ t.imatragurmukhi = 0x0a3f;
+ t.imonospace = 0xff49;
+ t.increment = 0x2206;
+ t.infinity = 0x221e;
+ t.iniarmenian = 0x056b;
+ t.integral = 0x222b;
+ t.integralbottom = 0x2321;
+ t.integralbt = 0x2321;
+ t.integralex = 0xf8f5;
+ t.integraltop = 0x2320;
+ t.integraltp = 0x2320;
+ t.intersection = 0x2229;
+ t.intisquare = 0x3305;
+ t.invbullet = 0x25d8;
+ t.invcircle = 0x25d9;
+ t.invsmileface = 0x263b;
+ t.iocyrillic = 0x0451;
+ t.iogonek = 0x012f;
+ t.iota = 0x03b9;
+ t.iotadieresis = 0x03ca;
+ t.iotadieresistonos = 0x0390;
+ t.iotalatin = 0x0269;
+ t.iotatonos = 0x03af;
+ t.iparen = 0x24a4;
+ t.irigurmukhi = 0x0a72;
+ t.ismallhiragana = 0x3043;
+ t.ismallkatakana = 0x30a3;
+ t.ismallkatakanahalfwidth = 0xff68;
+ t.issharbengali = 0x09fa;
+ t.istroke = 0x0268;
+ t.isuperior = 0xf6ed;
+ t.iterationhiragana = 0x309d;
+ t.iterationkatakana = 0x30fd;
+ t.itilde = 0x0129;
+ t.itildebelow = 0x1e2d;
+ t.iubopomofo = 0x3129;
+ t.iucyrillic = 0x044e;
+ t.ivowelsignbengali = 0x09bf;
+ t.ivowelsigndeva = 0x093f;
+ t.ivowelsigngujarati = 0x0abf;
+ t.izhitsacyrillic = 0x0475;
+ t.izhitsadblgravecyrillic = 0x0477;
+ t.j = 0x006a;
+ t.jaarmenian = 0x0571;
+ t.jabengali = 0x099c;
+ t.jadeva = 0x091c;
+ t.jagujarati = 0x0a9c;
+ t.jagurmukhi = 0x0a1c;
+ t.jbopomofo = 0x3110;
+ t.jcaron = 0x01f0;
+ t.jcircle = 0x24d9;
+ t.jcircumflex = 0x0135;
+ t.jcrossedtail = 0x029d;
+ t.jdotlessstroke = 0x025f;
+ t.jecyrillic = 0x0458;
+ t.jeemarabic = 0x062c;
+ t.jeemfinalarabic = 0xfe9e;
+ t.jeeminitialarabic = 0xfe9f;
+ t.jeemmedialarabic = 0xfea0;
+ t.jeharabic = 0x0698;
+ t.jehfinalarabic = 0xfb8b;
+ t.jhabengali = 0x099d;
+ t.jhadeva = 0x091d;
+ t.jhagujarati = 0x0a9d;
+ t.jhagurmukhi = 0x0a1d;
+ t.jheharmenian = 0x057b;
+ t.jis = 0x3004;
+ t.jmonospace = 0xff4a;
+ t.jparen = 0x24a5;
+ t.jsuperior = 0x02b2;
+ t.k = 0x006b;
+ t.kabashkircyrillic = 0x04a1;
+ t.kabengali = 0x0995;
+ t.kacute = 0x1e31;
+ t.kacyrillic = 0x043a;
+ t.kadescendercyrillic = 0x049b;
+ t.kadeva = 0x0915;
+ t.kaf = 0x05db;
+ t.kafarabic = 0x0643;
+ t.kafdagesh = 0xfb3b;
+ t.kafdageshhebrew = 0xfb3b;
+ t.kaffinalarabic = 0xfeda;
+ t.kafhebrew = 0x05db;
+ t.kafinitialarabic = 0xfedb;
+ t.kafmedialarabic = 0xfedc;
+ t.kafrafehebrew = 0xfb4d;
+ t.kagujarati = 0x0a95;
+ t.kagurmukhi = 0x0a15;
+ t.kahiragana = 0x304b;
+ t.kahookcyrillic = 0x04c4;
+ t.kakatakana = 0x30ab;
+ t.kakatakanahalfwidth = 0xff76;
+ t.kappa = 0x03ba;
+ t.kappasymbolgreek = 0x03f0;
+ t.kapyeounmieumkorean = 0x3171;
+ t.kapyeounphieuphkorean = 0x3184;
+ t.kapyeounpieupkorean = 0x3178;
+ t.kapyeounssangpieupkorean = 0x3179;
+ t.karoriisquare = 0x330d;
+ t.kashidaautoarabic = 0x0640;
+ t.kashidaautonosidebearingarabic = 0x0640;
+ t.kasmallkatakana = 0x30f5;
+ t.kasquare = 0x3384;
+ t.kasraarabic = 0x0650;
+ t.kasratanarabic = 0x064d;
+ t.kastrokecyrillic = 0x049f;
+ t.katahiraprolongmarkhalfwidth = 0xff70;
+ t.kaverticalstrokecyrillic = 0x049d;
+ t.kbopomofo = 0x310e;
+ t.kcalsquare = 0x3389;
+ t.kcaron = 0x01e9;
+ t.kcedilla = 0x0137;
+ t.kcircle = 0x24da;
+ t.kcommaaccent = 0x0137;
+ t.kdotbelow = 0x1e33;
+ t.keharmenian = 0x0584;
+ t.kehiragana = 0x3051;
+ t.kekatakana = 0x30b1;
+ t.kekatakanahalfwidth = 0xff79;
+ t.kenarmenian = 0x056f;
+ t.kesmallkatakana = 0x30f6;
+ t.kgreenlandic = 0x0138;
+ t.khabengali = 0x0996;
+ t.khacyrillic = 0x0445;
+ t.khadeva = 0x0916;
+ t.khagujarati = 0x0a96;
+ t.khagurmukhi = 0x0a16;
+ t.khaharabic = 0x062e;
+ t.khahfinalarabic = 0xfea6;
+ t.khahinitialarabic = 0xfea7;
+ t.khahmedialarabic = 0xfea8;
+ t.kheicoptic = 0x03e7;
+ t.khhadeva = 0x0959;
+ t.khhagurmukhi = 0x0a59;
+ t.khieukhacirclekorean = 0x3278;
+ t.khieukhaparenkorean = 0x3218;
+ t.khieukhcirclekorean = 0x326a;
+ t.khieukhkorean = 0x314b;
+ t.khieukhparenkorean = 0x320a;
+ t.khokhaithai = 0x0e02;
+ t.khokhonthai = 0x0e05;
+ t.khokhuatthai = 0x0e03;
+ t.khokhwaithai = 0x0e04;
+ t.khomutthai = 0x0e5b;
+ t.khook = 0x0199;
+ t.khorakhangthai = 0x0e06;
+ t.khzsquare = 0x3391;
+ t.kihiragana = 0x304d;
+ t.kikatakana = 0x30ad;
+ t.kikatakanahalfwidth = 0xff77;
+ t.kiroguramusquare = 0x3315;
+ t.kiromeetorusquare = 0x3316;
+ t.kirosquare = 0x3314;
+ t.kiyeokacirclekorean = 0x326e;
+ t.kiyeokaparenkorean = 0x320e;
+ t.kiyeokcirclekorean = 0x3260;
+ t.kiyeokkorean = 0x3131;
+ t.kiyeokparenkorean = 0x3200;
+ t.kiyeoksioskorean = 0x3133;
+ t.kjecyrillic = 0x045c;
+ t.klinebelow = 0x1e35;
+ t.klsquare = 0x3398;
+ t.kmcubedsquare = 0x33a6;
+ t.kmonospace = 0xff4b;
+ t.kmsquaredsquare = 0x33a2;
+ t.kohiragana = 0x3053;
+ t.kohmsquare = 0x33c0;
+ t.kokaithai = 0x0e01;
+ t.kokatakana = 0x30b3;
+ t.kokatakanahalfwidth = 0xff7a;
+ t.kooposquare = 0x331e;
+ t.koppacyrillic = 0x0481;
+ t.koreanstandardsymbol = 0x327f;
+ t.koroniscmb = 0x0343;
+ t.kparen = 0x24a6;
+ t.kpasquare = 0x33aa;
+ t.ksicyrillic = 0x046f;
+ t.ktsquare = 0x33cf;
+ t.kturned = 0x029e;
+ t.kuhiragana = 0x304f;
+ t.kukatakana = 0x30af;
+ t.kukatakanahalfwidth = 0xff78;
+ t.kvsquare = 0x33b8;
+ t.kwsquare = 0x33be;
+ t.l = 0x006c;
+ t.labengali = 0x09b2;
+ t.lacute = 0x013a;
+ t.ladeva = 0x0932;
+ t.lagujarati = 0x0ab2;
+ t.lagurmukhi = 0x0a32;
+ t.lakkhangyaothai = 0x0e45;
+ t.lamaleffinalarabic = 0xfefc;
+ t.lamalefhamzaabovefinalarabic = 0xfef8;
+ t.lamalefhamzaaboveisolatedarabic = 0xfef7;
+ t.lamalefhamzabelowfinalarabic = 0xfefa;
+ t.lamalefhamzabelowisolatedarabic = 0xfef9;
+ t.lamalefisolatedarabic = 0xfefb;
+ t.lamalefmaddaabovefinalarabic = 0xfef6;
+ t.lamalefmaddaaboveisolatedarabic = 0xfef5;
+ t.lamarabic = 0x0644;
+ t.lambda = 0x03bb;
+ t.lambdastroke = 0x019b;
+ t.lamed = 0x05dc;
+ t.lameddagesh = 0xfb3c;
+ t.lameddageshhebrew = 0xfb3c;
+ t.lamedhebrew = 0x05dc;
+ t.lamfinalarabic = 0xfede;
+ t.lamhahinitialarabic = 0xfcca;
+ t.laminitialarabic = 0xfedf;
+ t.lamjeeminitialarabic = 0xfcc9;
+ t.lamkhahinitialarabic = 0xfccb;
+ t.lamlamhehisolatedarabic = 0xfdf2;
+ t.lammedialarabic = 0xfee0;
+ t.lammeemhahinitialarabic = 0xfd88;
+ t.lammeeminitialarabic = 0xfccc;
+ t.largecircle = 0x25ef;
+ t.lbar = 0x019a;
+ t.lbelt = 0x026c;
+ t.lbopomofo = 0x310c;
+ t.lcaron = 0x013e;
+ t.lcedilla = 0x013c;
+ t.lcircle = 0x24db;
+ t.lcircumflexbelow = 0x1e3d;
+ t.lcommaaccent = 0x013c;
+ t.ldot = 0x0140;
+ t.ldotaccent = 0x0140;
+ t.ldotbelow = 0x1e37;
+ t.ldotbelowmacron = 0x1e39;
+ t.leftangleabovecmb = 0x031a;
+ t.lefttackbelowcmb = 0x0318;
+ t.less = 0x003c;
+ t.lessequal = 0x2264;
+ t.lessequalorgreater = 0x22da;
+ t.lessmonospace = 0xff1c;
+ t.lessorequivalent = 0x2272;
+ t.lessorgreater = 0x2276;
+ t.lessoverequal = 0x2266;
+ t.lesssmall = 0xfe64;
+ t.lezh = 0x026e;
+ t.lfblock = 0x258c;
+ t.lhookretroflex = 0x026d;
+ t.lira = 0x20a4;
+ t.liwnarmenian = 0x056c;
+ t.lj = 0x01c9;
+ t.ljecyrillic = 0x0459;
+ t.ll = 0xf6c0;
+ t.lladeva = 0x0933;
+ t.llagujarati = 0x0ab3;
+ t.llinebelow = 0x1e3b;
+ t.llladeva = 0x0934;
+ t.llvocalicbengali = 0x09e1;
+ t.llvocalicdeva = 0x0961;
+ t.llvocalicvowelsignbengali = 0x09e3;
+ t.llvocalicvowelsigndeva = 0x0963;
+ t.lmiddletilde = 0x026b;
+ t.lmonospace = 0xff4c;
+ t.lmsquare = 0x33d0;
+ t.lochulathai = 0x0e2c;
+ t.logicaland = 0x2227;
+ t.logicalnot = 0x00ac;
+ t.logicalnotreversed = 0x2310;
+ t.logicalor = 0x2228;
+ t.lolingthai = 0x0e25;
+ t.longs = 0x017f;
+ t.lowlinecenterline = 0xfe4e;
+ t.lowlinecmb = 0x0332;
+ t.lowlinedashed = 0xfe4d;
+ t.lozenge = 0x25ca;
+ t.lparen = 0x24a7;
+ t.lslash = 0x0142;
+ t.lsquare = 0x2113;
+ t.lsuperior = 0xf6ee;
+ t.ltshade = 0x2591;
+ t.luthai = 0x0e26;
+ t.lvocalicbengali = 0x098c;
+ t.lvocalicdeva = 0x090c;
+ t.lvocalicvowelsignbengali = 0x09e2;
+ t.lvocalicvowelsigndeva = 0x0962;
+ t.lxsquare = 0x33d3;
+ t.m = 0x006d;
+ t.mabengali = 0x09ae;
+ t.macron = 0x00af;
+ t.macronbelowcmb = 0x0331;
+ t.macroncmb = 0x0304;
+ t.macronlowmod = 0x02cd;
+ t.macronmonospace = 0xffe3;
+ t.macute = 0x1e3f;
+ t.madeva = 0x092e;
+ t.magujarati = 0x0aae;
+ t.magurmukhi = 0x0a2e;
+ t.mahapakhhebrew = 0x05a4;
+ t.mahapakhlefthebrew = 0x05a4;
+ t.mahiragana = 0x307e;
+ t.maichattawalowleftthai = 0xf895;
+ t.maichattawalowrightthai = 0xf894;
+ t.maichattawathai = 0x0e4b;
+ t.maichattawaupperleftthai = 0xf893;
+ t.maieklowleftthai = 0xf88c;
+ t.maieklowrightthai = 0xf88b;
+ t.maiekthai = 0x0e48;
+ t.maiekupperleftthai = 0xf88a;
+ t.maihanakatleftthai = 0xf884;
+ t.maihanakatthai = 0x0e31;
+ t.maitaikhuleftthai = 0xf889;
+ t.maitaikhuthai = 0x0e47;
+ t.maitholowleftthai = 0xf88f;
+ t.maitholowrightthai = 0xf88e;
+ t.maithothai = 0x0e49;
+ t.maithoupperleftthai = 0xf88d;
+ t.maitrilowleftthai = 0xf892;
+ t.maitrilowrightthai = 0xf891;
+ t.maitrithai = 0x0e4a;
+ t.maitriupperleftthai = 0xf890;
+ t.maiyamokthai = 0x0e46;
+ t.makatakana = 0x30de;
+ t.makatakanahalfwidth = 0xff8f;
+ t.male = 0x2642;
+ t.mansyonsquare = 0x3347;
+ t.maqafhebrew = 0x05be;
+ t.mars = 0x2642;
+ t.masoracirclehebrew = 0x05af;
+ t.masquare = 0x3383;
+ t.mbopomofo = 0x3107;
+ t.mbsquare = 0x33d4;
+ t.mcircle = 0x24dc;
+ t.mcubedsquare = 0x33a5;
+ t.mdotaccent = 0x1e41;
+ t.mdotbelow = 0x1e43;
+ t.meemarabic = 0x0645;
+ t.meemfinalarabic = 0xfee2;
+ t.meeminitialarabic = 0xfee3;
+ t.meemmedialarabic = 0xfee4;
+ t.meemmeeminitialarabic = 0xfcd1;
+ t.meemmeemisolatedarabic = 0xfc48;
+ t.meetorusquare = 0x334d;
+ t.mehiragana = 0x3081;
+ t.meizierasquare = 0x337e;
+ t.mekatakana = 0x30e1;
+ t.mekatakanahalfwidth = 0xff92;
+ t.mem = 0x05de;
+ t.memdagesh = 0xfb3e;
+ t.memdageshhebrew = 0xfb3e;
+ t.memhebrew = 0x05de;
+ t.menarmenian = 0x0574;
+ t.merkhahebrew = 0x05a5;
+ t.merkhakefulahebrew = 0x05a6;
+ t.merkhakefulalefthebrew = 0x05a6;
+ t.merkhalefthebrew = 0x05a5;
+ t.mhook = 0x0271;
+ t.mhzsquare = 0x3392;
+ t.middledotkatakanahalfwidth = 0xff65;
+ t.middot = 0x00b7;
+ t.mieumacirclekorean = 0x3272;
+ t.mieumaparenkorean = 0x3212;
+ t.mieumcirclekorean = 0x3264;
+ t.mieumkorean = 0x3141;
+ t.mieumpansioskorean = 0x3170;
+ t.mieumparenkorean = 0x3204;
+ t.mieumpieupkorean = 0x316e;
+ t.mieumsioskorean = 0x316f;
+ t.mihiragana = 0x307f;
+ t.mikatakana = 0x30df;
+ t.mikatakanahalfwidth = 0xff90;
+ t.minus = 0x2212;
+ t.minusbelowcmb = 0x0320;
+ t.minuscircle = 0x2296;
+ t.minusmod = 0x02d7;
+ t.minusplus = 0x2213;
+ t.minute = 0x2032;
+ t.miribaarusquare = 0x334a;
+ t.mirisquare = 0x3349;
+ t.mlonglegturned = 0x0270;
+ t.mlsquare = 0x3396;
+ t.mmcubedsquare = 0x33a3;
+ t.mmonospace = 0xff4d;
+ t.mmsquaredsquare = 0x339f;
+ t.mohiragana = 0x3082;
+ t.mohmsquare = 0x33c1;
+ t.mokatakana = 0x30e2;
+ t.mokatakanahalfwidth = 0xff93;
+ t.molsquare = 0x33d6;
+ t.momathai = 0x0e21;
+ t.moverssquare = 0x33a7;
+ t.moverssquaredsquare = 0x33a8;
+ t.mparen = 0x24a8;
+ t.mpasquare = 0x33ab;
+ t.mssquare = 0x33b3;
+ t.msuperior = 0xf6ef;
+ t.mturned = 0x026f;
+ t.mu = 0x00b5;
+ t.mu1 = 0x00b5;
+ t.muasquare = 0x3382;
+ t.muchgreater = 0x226b;
+ t.muchless = 0x226a;
+ t.mufsquare = 0x338c;
+ t.mugreek = 0x03bc;
+ t.mugsquare = 0x338d;
+ t.muhiragana = 0x3080;
+ t.mukatakana = 0x30e0;
+ t.mukatakanahalfwidth = 0xff91;
+ t.mulsquare = 0x3395;
+ t.multiply = 0x00d7;
+ t.mumsquare = 0x339b;
+ t.munahhebrew = 0x05a3;
+ t.munahlefthebrew = 0x05a3;
+ t.musicalnote = 0x266a;
+ t.musicalnotedbl = 0x266b;
+ t.musicflatsign = 0x266d;
+ t.musicsharpsign = 0x266f;
+ t.mussquare = 0x33b2;
+ t.muvsquare = 0x33b6;
+ t.muwsquare = 0x33bc;
+ t.mvmegasquare = 0x33b9;
+ t.mvsquare = 0x33b7;
+ t.mwmegasquare = 0x33bf;
+ t.mwsquare = 0x33bd;
+ t.n = 0x006e;
+ t.nabengali = 0x09a8;
+ t.nabla = 0x2207;
+ t.nacute = 0x0144;
+ t.nadeva = 0x0928;
+ t.nagujarati = 0x0aa8;
+ t.nagurmukhi = 0x0a28;
+ t.nahiragana = 0x306a;
+ t.nakatakana = 0x30ca;
+ t.nakatakanahalfwidth = 0xff85;
+ t.napostrophe = 0x0149;
+ t.nasquare = 0x3381;
+ t.nbopomofo = 0x310b;
+ t.nbspace = 0x00a0;
+ t.ncaron = 0x0148;
+ t.ncedilla = 0x0146;
+ t.ncircle = 0x24dd;
+ t.ncircumflexbelow = 0x1e4b;
+ t.ncommaaccent = 0x0146;
+ t.ndotaccent = 0x1e45;
+ t.ndotbelow = 0x1e47;
+ t.nehiragana = 0x306d;
+ t.nekatakana = 0x30cd;
+ t.nekatakanahalfwidth = 0xff88;
+ t.newsheqelsign = 0x20aa;
+ t.nfsquare = 0x338b;
+ t.ngabengali = 0x0999;
+ t.ngadeva = 0x0919;
+ t.ngagujarati = 0x0a99;
+ t.ngagurmukhi = 0x0a19;
+ t.ngonguthai = 0x0e07;
+ t.nhiragana = 0x3093;
+ t.nhookleft = 0x0272;
+ t.nhookretroflex = 0x0273;
+ t.nieunacirclekorean = 0x326f;
+ t.nieunaparenkorean = 0x320f;
+ t.nieuncieuckorean = 0x3135;
+ t.nieuncirclekorean = 0x3261;
+ t.nieunhieuhkorean = 0x3136;
+ t.nieunkorean = 0x3134;
+ t.nieunpansioskorean = 0x3168;
+ t.nieunparenkorean = 0x3201;
+ t.nieunsioskorean = 0x3167;
+ t.nieuntikeutkorean = 0x3166;
+ t.nihiragana = 0x306b;
+ t.nikatakana = 0x30cb;
+ t.nikatakanahalfwidth = 0xff86;
+ t.nikhahitleftthai = 0xf899;
+ t.nikhahitthai = 0x0e4d;
+ t.nine = 0x0039;
+ t.ninearabic = 0x0669;
+ t.ninebengali = 0x09ef;
+ t.ninecircle = 0x2468;
+ t.ninecircleinversesansserif = 0x2792;
+ t.ninedeva = 0x096f;
+ t.ninegujarati = 0x0aef;
+ t.ninegurmukhi = 0x0a6f;
+ t.ninehackarabic = 0x0669;
+ t.ninehangzhou = 0x3029;
+ t.nineideographicparen = 0x3228;
+ t.nineinferior = 0x2089;
+ t.ninemonospace = 0xff19;
+ t.nineoldstyle = 0xf739;
+ t.nineparen = 0x247c;
+ t.nineperiod = 0x2490;
+ t.ninepersian = 0x06f9;
+ t.nineroman = 0x2178;
+ t.ninesuperior = 0x2079;
+ t.nineteencircle = 0x2472;
+ t.nineteenparen = 0x2486;
+ t.nineteenperiod = 0x249a;
+ t.ninethai = 0x0e59;
+ t.nj = 0x01cc;
+ t.njecyrillic = 0x045a;
+ t.nkatakana = 0x30f3;
+ t.nkatakanahalfwidth = 0xff9d;
+ t.nlegrightlong = 0x019e;
+ t.nlinebelow = 0x1e49;
+ t.nmonospace = 0xff4e;
+ t.nmsquare = 0x339a;
+ t.nnabengali = 0x09a3;
+ t.nnadeva = 0x0923;
+ t.nnagujarati = 0x0aa3;
+ t.nnagurmukhi = 0x0a23;
+ t.nnnadeva = 0x0929;
+ t.nohiragana = 0x306e;
+ t.nokatakana = 0x30ce;
+ t.nokatakanahalfwidth = 0xff89;
+ t.nonbreakingspace = 0x00a0;
+ t.nonenthai = 0x0e13;
+ t.nonuthai = 0x0e19;
+ t.noonarabic = 0x0646;
+ t.noonfinalarabic = 0xfee6;
+ t.noonghunnaarabic = 0x06ba;
+ t.noonghunnafinalarabic = 0xfb9f;
+ t.nooninitialarabic = 0xfee7;
+ t.noonjeeminitialarabic = 0xfcd2;
+ t.noonjeemisolatedarabic = 0xfc4b;
+ t.noonmedialarabic = 0xfee8;
+ t.noonmeeminitialarabic = 0xfcd5;
+ t.noonmeemisolatedarabic = 0xfc4e;
+ t.noonnoonfinalarabic = 0xfc8d;
+ t.notcontains = 0x220c;
+ t.notelement = 0x2209;
+ t.notelementof = 0x2209;
+ t.notequal = 0x2260;
+ t.notgreater = 0x226f;
+ t.notgreaternorequal = 0x2271;
+ t.notgreaternorless = 0x2279;
+ t.notidentical = 0x2262;
+ t.notless = 0x226e;
+ t.notlessnorequal = 0x2270;
+ t.notparallel = 0x2226;
+ t.notprecedes = 0x2280;
+ t.notsubset = 0x2284;
+ t.notsucceeds = 0x2281;
+ t.notsuperset = 0x2285;
+ t.nowarmenian = 0x0576;
+ t.nparen = 0x24a9;
+ t.nssquare = 0x33b1;
+ t.nsuperior = 0x207f;
+ t.ntilde = 0x00f1;
+ t.nu = 0x03bd;
+ t.nuhiragana = 0x306c;
+ t.nukatakana = 0x30cc;
+ t.nukatakanahalfwidth = 0xff87;
+ t.nuktabengali = 0x09bc;
+ t.nuktadeva = 0x093c;
+ t.nuktagujarati = 0x0abc;
+ t.nuktagurmukhi = 0x0a3c;
+ t.numbersign = 0x0023;
+ t.numbersignmonospace = 0xff03;
+ t.numbersignsmall = 0xfe5f;
+ t.numeralsigngreek = 0x0374;
+ t.numeralsignlowergreek = 0x0375;
+ t.numero = 0x2116;
+ t.nun = 0x05e0;
+ t.nundagesh = 0xfb40;
+ t.nundageshhebrew = 0xfb40;
+ t.nunhebrew = 0x05e0;
+ t.nvsquare = 0x33b5;
+ t.nwsquare = 0x33bb;
+ t.nyabengali = 0x099e;
+ t.nyadeva = 0x091e;
+ t.nyagujarati = 0x0a9e;
+ t.nyagurmukhi = 0x0a1e;
+ t.o = 0x006f;
+ t.oacute = 0x00f3;
+ t.oangthai = 0x0e2d;
+ t.obarred = 0x0275;
+ t.obarredcyrillic = 0x04e9;
+ t.obarreddieresiscyrillic = 0x04eb;
+ t.obengali = 0x0993;
+ t.obopomofo = 0x311b;
+ t.obreve = 0x014f;
+ t.ocandradeva = 0x0911;
+ t.ocandragujarati = 0x0a91;
+ t.ocandravowelsigndeva = 0x0949;
+ t.ocandravowelsigngujarati = 0x0ac9;
+ t.ocaron = 0x01d2;
+ t.ocircle = 0x24de;
+ t.ocircumflex = 0x00f4;
+ t.ocircumflexacute = 0x1ed1;
+ t.ocircumflexdotbelow = 0x1ed9;
+ t.ocircumflexgrave = 0x1ed3;
+ t.ocircumflexhookabove = 0x1ed5;
+ t.ocircumflextilde = 0x1ed7;
+ t.ocyrillic = 0x043e;
+ t.odblacute = 0x0151;
+ t.odblgrave = 0x020d;
+ t.odeva = 0x0913;
+ t.odieresis = 0x00f6;
+ t.odieresiscyrillic = 0x04e7;
+ t.odotbelow = 0x1ecd;
+ t.oe = 0x0153;
+ t.oekorean = 0x315a;
+ t.ogonek = 0x02db;
+ t.ogonekcmb = 0x0328;
+ t.ograve = 0x00f2;
+ t.ogujarati = 0x0a93;
+ t.oharmenian = 0x0585;
+ t.ohiragana = 0x304a;
+ t.ohookabove = 0x1ecf;
+ t.ohorn = 0x01a1;
+ t.ohornacute = 0x1edb;
+ t.ohorndotbelow = 0x1ee3;
+ t.ohorngrave = 0x1edd;
+ t.ohornhookabove = 0x1edf;
+ t.ohorntilde = 0x1ee1;
+ t.ohungarumlaut = 0x0151;
+ t.oi = 0x01a3;
+ t.oinvertedbreve = 0x020f;
+ t.okatakana = 0x30aa;
+ t.okatakanahalfwidth = 0xff75;
+ t.okorean = 0x3157;
+ t.olehebrew = 0x05ab;
+ t.omacron = 0x014d;
+ t.omacronacute = 0x1e53;
+ t.omacrongrave = 0x1e51;
+ t.omdeva = 0x0950;
+ t.omega = 0x03c9;
+ t.omega1 = 0x03d6;
+ t.omegacyrillic = 0x0461;
+ t.omegalatinclosed = 0x0277;
+ t.omegaroundcyrillic = 0x047b;
+ t.omegatitlocyrillic = 0x047d;
+ t.omegatonos = 0x03ce;
+ t.omgujarati = 0x0ad0;
+ t.omicron = 0x03bf;
+ t.omicrontonos = 0x03cc;
+ t.omonospace = 0xff4f;
+ t.one = 0x0031;
+ t.onearabic = 0x0661;
+ t.onebengali = 0x09e7;
+ t.onecircle = 0x2460;
+ t.onecircleinversesansserif = 0x278a;
+ t.onedeva = 0x0967;
+ t.onedotenleader = 0x2024;
+ t.oneeighth = 0x215b;
+ t.onefitted = 0xf6dc;
+ t.onegujarati = 0x0ae7;
+ t.onegurmukhi = 0x0a67;
+ t.onehackarabic = 0x0661;
+ t.onehalf = 0x00bd;
+ t.onehangzhou = 0x3021;
+ t.oneideographicparen = 0x3220;
+ t.oneinferior = 0x2081;
+ t.onemonospace = 0xff11;
+ t.onenumeratorbengali = 0x09f4;
+ t.oneoldstyle = 0xf731;
+ t.oneparen = 0x2474;
+ t.oneperiod = 0x2488;
+ t.onepersian = 0x06f1;
+ t.onequarter = 0x00bc;
+ t.oneroman = 0x2170;
+ t.onesuperior = 0x00b9;
+ t.onethai = 0x0e51;
+ t.onethird = 0x2153;
+ t.oogonek = 0x01eb;
+ t.oogonekmacron = 0x01ed;
+ t.oogurmukhi = 0x0a13;
+ t.oomatragurmukhi = 0x0a4b;
+ t.oopen = 0x0254;
+ t.oparen = 0x24aa;
+ t.openbullet = 0x25e6;
+ t.option = 0x2325;
+ t.ordfeminine = 0x00aa;
+ t.ordmasculine = 0x00ba;
+ t.orthogonal = 0x221f;
+ t.oshortdeva = 0x0912;
+ t.oshortvowelsigndeva = 0x094a;
+ t.oslash = 0x00f8;
+ t.oslashacute = 0x01ff;
+ t.osmallhiragana = 0x3049;
+ t.osmallkatakana = 0x30a9;
+ t.osmallkatakanahalfwidth = 0xff6b;
+ t.ostrokeacute = 0x01ff;
+ t.osuperior = 0xf6f0;
+ t.otcyrillic = 0x047f;
+ t.otilde = 0x00f5;
+ t.otildeacute = 0x1e4d;
+ t.otildedieresis = 0x1e4f;
+ t.oubopomofo = 0x3121;
+ t.overline = 0x203e;
+ t.overlinecenterline = 0xfe4a;
+ t.overlinecmb = 0x0305;
+ t.overlinedashed = 0xfe49;
+ t.overlinedblwavy = 0xfe4c;
+ t.overlinewavy = 0xfe4b;
+ t.overscore = 0x00af;
+ t.ovowelsignbengali = 0x09cb;
+ t.ovowelsigndeva = 0x094b;
+ t.ovowelsigngujarati = 0x0acb;
+ t.p = 0x0070;
+ t.paampssquare = 0x3380;
+ t.paasentosquare = 0x332b;
+ t.pabengali = 0x09aa;
+ t.pacute = 0x1e55;
+ t.padeva = 0x092a;
+ t.pagedown = 0x21df;
+ t.pageup = 0x21de;
+ t.pagujarati = 0x0aaa;
+ t.pagurmukhi = 0x0a2a;
+ t.pahiragana = 0x3071;
+ t.paiyannoithai = 0x0e2f;
+ t.pakatakana = 0x30d1;
+ t.palatalizationcyrilliccmb = 0x0484;
+ t.palochkacyrillic = 0x04c0;
+ t.pansioskorean = 0x317f;
+ t.paragraph = 0x00b6;
+ t.parallel = 0x2225;
+ t.parenleft = 0x0028;
+ t.parenleftaltonearabic = 0xfd3e;
+ t.parenleftbt = 0xf8ed;
+ t.parenleftex = 0xf8ec;
+ t.parenleftinferior = 0x208d;
+ t.parenleftmonospace = 0xff08;
+ t.parenleftsmall = 0xfe59;
+ t.parenleftsuperior = 0x207d;
+ t.parenlefttp = 0xf8eb;
+ t.parenleftvertical = 0xfe35;
+ t.parenright = 0x0029;
+ t.parenrightaltonearabic = 0xfd3f;
+ t.parenrightbt = 0xf8f8;
+ t.parenrightex = 0xf8f7;
+ t.parenrightinferior = 0x208e;
+ t.parenrightmonospace = 0xff09;
+ t.parenrightsmall = 0xfe5a;
+ t.parenrightsuperior = 0x207e;
+ t.parenrighttp = 0xf8f6;
+ t.parenrightvertical = 0xfe36;
+ t.partialdiff = 0x2202;
+ t.paseqhebrew = 0x05c0;
+ t.pashtahebrew = 0x0599;
+ t.pasquare = 0x33a9;
+ t.patah = 0x05b7;
+ t.patah11 = 0x05b7;
+ t.patah1d = 0x05b7;
+ t.patah2a = 0x05b7;
+ t.patahhebrew = 0x05b7;
+ t.patahnarrowhebrew = 0x05b7;
+ t.patahquarterhebrew = 0x05b7;
+ t.patahwidehebrew = 0x05b7;
+ t.pazerhebrew = 0x05a1;
+ t.pbopomofo = 0x3106;
+ t.pcircle = 0x24df;
+ t.pdotaccent = 0x1e57;
+ t.pe = 0x05e4;
+ t.pecyrillic = 0x043f;
+ t.pedagesh = 0xfb44;
+ t.pedageshhebrew = 0xfb44;
+ t.peezisquare = 0x333b;
+ t.pefinaldageshhebrew = 0xfb43;
+ t.peharabic = 0x067e;
+ t.peharmenian = 0x057a;
+ t.pehebrew = 0x05e4;
+ t.pehfinalarabic = 0xfb57;
+ t.pehinitialarabic = 0xfb58;
+ t.pehiragana = 0x307a;
+ t.pehmedialarabic = 0xfb59;
+ t.pekatakana = 0x30da;
+ t.pemiddlehookcyrillic = 0x04a7;
+ t.perafehebrew = 0xfb4e;
+ t.percent = 0x0025;
+ t.percentarabic = 0x066a;
+ t.percentmonospace = 0xff05;
+ t.percentsmall = 0xfe6a;
+ t.period = 0x002e;
+ t.periodarmenian = 0x0589;
+ t.periodcentered = 0x00b7;
+ t.periodhalfwidth = 0xff61;
+ t.periodinferior = 0xf6e7;
+ t.periodmonospace = 0xff0e;
+ t.periodsmall = 0xfe52;
+ t.periodsuperior = 0xf6e8;
+ t.perispomenigreekcmb = 0x0342;
+ t.perpendicular = 0x22a5;
+ t.perthousand = 0x2030;
+ t.peseta = 0x20a7;
+ t.pfsquare = 0x338a;
+ t.phabengali = 0x09ab;
+ t.phadeva = 0x092b;
+ t.phagujarati = 0x0aab;
+ t.phagurmukhi = 0x0a2b;
+ t.phi = 0x03c6;
+ t.phi1 = 0x03d5;
+ t.phieuphacirclekorean = 0x327a;
+ t.phieuphaparenkorean = 0x321a;
+ t.phieuphcirclekorean = 0x326c;
+ t.phieuphkorean = 0x314d;
+ t.phieuphparenkorean = 0x320c;
+ t.philatin = 0x0278;
+ t.phinthuthai = 0x0e3a;
+ t.phisymbolgreek = 0x03d5;
+ t.phook = 0x01a5;
+ t.phophanthai = 0x0e1e;
+ t.phophungthai = 0x0e1c;
+ t.phosamphaothai = 0x0e20;
+ t.pi = 0x03c0;
+ t.pieupacirclekorean = 0x3273;
+ t.pieupaparenkorean = 0x3213;
+ t.pieupcieuckorean = 0x3176;
+ t.pieupcirclekorean = 0x3265;
+ t.pieupkiyeokkorean = 0x3172;
+ t.pieupkorean = 0x3142;
+ t.pieupparenkorean = 0x3205;
+ t.pieupsioskiyeokkorean = 0x3174;
+ t.pieupsioskorean = 0x3144;
+ t.pieupsiostikeutkorean = 0x3175;
+ t.pieupthieuthkorean = 0x3177;
+ t.pieuptikeutkorean = 0x3173;
+ t.pihiragana = 0x3074;
+ t.pikatakana = 0x30d4;
+ t.pisymbolgreek = 0x03d6;
+ t.piwrarmenian = 0x0583;
+ t.plus = 0x002b;
+ t.plusbelowcmb = 0x031f;
+ t.pluscircle = 0x2295;
+ t.plusminus = 0x00b1;
+ t.plusmod = 0x02d6;
+ t.plusmonospace = 0xff0b;
+ t.plussmall = 0xfe62;
+ t.plussuperior = 0x207a;
+ t.pmonospace = 0xff50;
+ t.pmsquare = 0x33d8;
+ t.pohiragana = 0x307d;
+ t.pointingindexdownwhite = 0x261f;
+ t.pointingindexleftwhite = 0x261c;
+ t.pointingindexrightwhite = 0x261e;
+ t.pointingindexupwhite = 0x261d;
+ t.pokatakana = 0x30dd;
+ t.poplathai = 0x0e1b;
+ t.postalmark = 0x3012;
+ t.postalmarkface = 0x3020;
+ t.pparen = 0x24ab;
+ t.precedes = 0x227a;
+ t.prescription = 0x211e;
+ t.primemod = 0x02b9;
+ t.primereversed = 0x2035;
+ t.product = 0x220f;
+ t.projective = 0x2305;
+ t.prolongedkana = 0x30fc;
+ t.propellor = 0x2318;
+ t.propersubset = 0x2282;
+ t.propersuperset = 0x2283;
+ t.proportion = 0x2237;
+ t.proportional = 0x221d;
+ t.psi = 0x03c8;
+ t.psicyrillic = 0x0471;
+ t.psilipneumatacyrilliccmb = 0x0486;
+ t.pssquare = 0x33b0;
+ t.puhiragana = 0x3077;
+ t.pukatakana = 0x30d7;
+ t.pvsquare = 0x33b4;
+ t.pwsquare = 0x33ba;
+ t.q = 0x0071;
+ t.qadeva = 0x0958;
+ t.qadmahebrew = 0x05a8;
+ t.qafarabic = 0x0642;
+ t.qaffinalarabic = 0xfed6;
+ t.qafinitialarabic = 0xfed7;
+ t.qafmedialarabic = 0xfed8;
+ t.qamats = 0x05b8;
+ t.qamats10 = 0x05b8;
+ t.qamats1a = 0x05b8;
+ t.qamats1c = 0x05b8;
+ t.qamats27 = 0x05b8;
+ t.qamats29 = 0x05b8;
+ t.qamats33 = 0x05b8;
+ t.qamatsde = 0x05b8;
+ t.qamatshebrew = 0x05b8;
+ t.qamatsnarrowhebrew = 0x05b8;
+ t.qamatsqatanhebrew = 0x05b8;
+ t.qamatsqatannarrowhebrew = 0x05b8;
+ t.qamatsqatanquarterhebrew = 0x05b8;
+ t.qamatsqatanwidehebrew = 0x05b8;
+ t.qamatsquarterhebrew = 0x05b8;
+ t.qamatswidehebrew = 0x05b8;
+ t.qarneyparahebrew = 0x059f;
+ t.qbopomofo = 0x3111;
+ t.qcircle = 0x24e0;
+ t.qhook = 0x02a0;
+ t.qmonospace = 0xff51;
+ t.qof = 0x05e7;
+ t.qofdagesh = 0xfb47;
+ t.qofdageshhebrew = 0xfb47;
+ t.qofhebrew = 0x05e7;
+ t.qparen = 0x24ac;
+ t.quarternote = 0x2669;
+ t.qubuts = 0x05bb;
+ t.qubuts18 = 0x05bb;
+ t.qubuts25 = 0x05bb;
+ t.qubuts31 = 0x05bb;
+ t.qubutshebrew = 0x05bb;
+ t.qubutsnarrowhebrew = 0x05bb;
+ t.qubutsquarterhebrew = 0x05bb;
+ t.qubutswidehebrew = 0x05bb;
+ t.question = 0x003f;
+ t.questionarabic = 0x061f;
+ t.questionarmenian = 0x055e;
+ t.questiondown = 0x00bf;
+ t.questiondownsmall = 0xf7bf;
+ t.questiongreek = 0x037e;
+ t.questionmonospace = 0xff1f;
+ t.questionsmall = 0xf73f;
+ t.quotedbl = 0x0022;
+ t.quotedblbase = 0x201e;
+ t.quotedblleft = 0x201c;
+ t.quotedblmonospace = 0xff02;
+ t.quotedblprime = 0x301e;
+ t.quotedblprimereversed = 0x301d;
+ t.quotedblright = 0x201d;
+ t.quoteleft = 0x2018;
+ t.quoteleftreversed = 0x201b;
+ t.quotereversed = 0x201b;
+ t.quoteright = 0x2019;
+ t.quoterightn = 0x0149;
+ t.quotesinglbase = 0x201a;
+ t.quotesingle = 0x0027;
+ t.quotesinglemonospace = 0xff07;
+ t.r = 0x0072;
+ t.raarmenian = 0x057c;
+ t.rabengali = 0x09b0;
+ t.racute = 0x0155;
+ t.radeva = 0x0930;
+ t.radical = 0x221a;
+ t.radicalex = 0xf8e5;
+ t.radoverssquare = 0x33ae;
+ t.radoverssquaredsquare = 0x33af;
+ t.radsquare = 0x33ad;
+ t.rafe = 0x05bf;
+ t.rafehebrew = 0x05bf;
+ t.ragujarati = 0x0ab0;
+ t.ragurmukhi = 0x0a30;
+ t.rahiragana = 0x3089;
+ t.rakatakana = 0x30e9;
+ t.rakatakanahalfwidth = 0xff97;
+ t.ralowerdiagonalbengali = 0x09f1;
+ t.ramiddlediagonalbengali = 0x09f0;
+ t.ramshorn = 0x0264;
+ t.ratio = 0x2236;
+ t.rbopomofo = 0x3116;
+ t.rcaron = 0x0159;
+ t.rcedilla = 0x0157;
+ t.rcircle = 0x24e1;
+ t.rcommaaccent = 0x0157;
+ t.rdblgrave = 0x0211;
+ t.rdotaccent = 0x1e59;
+ t.rdotbelow = 0x1e5b;
+ t.rdotbelowmacron = 0x1e5d;
+ t.referencemark = 0x203b;
+ t.reflexsubset = 0x2286;
+ t.reflexsuperset = 0x2287;
+ t.registered = 0x00ae;
+ t.registersans = 0xf8e8;
+ t.registerserif = 0xf6da;
+ t.reharabic = 0x0631;
+ t.reharmenian = 0x0580;
+ t.rehfinalarabic = 0xfeae;
+ t.rehiragana = 0x308c;
+ t.rekatakana = 0x30ec;
+ t.rekatakanahalfwidth = 0xff9a;
+ t.resh = 0x05e8;
+ t.reshdageshhebrew = 0xfb48;
+ t.reshhebrew = 0x05e8;
+ t.reversedtilde = 0x223d;
+ t.reviahebrew = 0x0597;
+ t.reviamugrashhebrew = 0x0597;
+ t.revlogicalnot = 0x2310;
+ t.rfishhook = 0x027e;
+ t.rfishhookreversed = 0x027f;
+ t.rhabengali = 0x09dd;
+ t.rhadeva = 0x095d;
+ t.rho = 0x03c1;
+ t.rhook = 0x027d;
+ t.rhookturned = 0x027b;
+ t.rhookturnedsuperior = 0x02b5;
+ t.rhosymbolgreek = 0x03f1;
+ t.rhotichookmod = 0x02de;
+ t.rieulacirclekorean = 0x3271;
+ t.rieulaparenkorean = 0x3211;
+ t.rieulcirclekorean = 0x3263;
+ t.rieulhieuhkorean = 0x3140;
+ t.rieulkiyeokkorean = 0x313a;
+ t.rieulkiyeoksioskorean = 0x3169;
+ t.rieulkorean = 0x3139;
+ t.rieulmieumkorean = 0x313b;
+ t.rieulpansioskorean = 0x316c;
+ t.rieulparenkorean = 0x3203;
+ t.rieulphieuphkorean = 0x313f;
+ t.rieulpieupkorean = 0x313c;
+ t.rieulpieupsioskorean = 0x316b;
+ t.rieulsioskorean = 0x313d;
+ t.rieulthieuthkorean = 0x313e;
+ t.rieultikeutkorean = 0x316a;
+ t.rieulyeorinhieuhkorean = 0x316d;
+ t.rightangle = 0x221f;
+ t.righttackbelowcmb = 0x0319;
+ t.righttriangle = 0x22bf;
+ t.rihiragana = 0x308a;
+ t.rikatakana = 0x30ea;
+ t.rikatakanahalfwidth = 0xff98;
+ t.ring = 0x02da;
+ t.ringbelowcmb = 0x0325;
+ t.ringcmb = 0x030a;
+ t.ringhalfleft = 0x02bf;
+ t.ringhalfleftarmenian = 0x0559;
+ t.ringhalfleftbelowcmb = 0x031c;
+ t.ringhalfleftcentered = 0x02d3;
+ t.ringhalfright = 0x02be;
+ t.ringhalfrightbelowcmb = 0x0339;
+ t.ringhalfrightcentered = 0x02d2;
+ t.rinvertedbreve = 0x0213;
+ t.rittorusquare = 0x3351;
+ t.rlinebelow = 0x1e5f;
+ t.rlongleg = 0x027c;
+ t.rlonglegturned = 0x027a;
+ t.rmonospace = 0xff52;
+ t.rohiragana = 0x308d;
+ t.rokatakana = 0x30ed;
+ t.rokatakanahalfwidth = 0xff9b;
+ t.roruathai = 0x0e23;
+ t.rparen = 0x24ad;
+ t.rrabengali = 0x09dc;
+ t.rradeva = 0x0931;
+ t.rragurmukhi = 0x0a5c;
+ t.rreharabic = 0x0691;
+ t.rrehfinalarabic = 0xfb8d;
+ t.rrvocalicbengali = 0x09e0;
+ t.rrvocalicdeva = 0x0960;
+ t.rrvocalicgujarati = 0x0ae0;
+ t.rrvocalicvowelsignbengali = 0x09c4;
+ t.rrvocalicvowelsigndeva = 0x0944;
+ t.rrvocalicvowelsigngujarati = 0x0ac4;
+ t.rsuperior = 0xf6f1;
+ t.rtblock = 0x2590;
+ t.rturned = 0x0279;
+ t.rturnedsuperior = 0x02b4;
+ t.ruhiragana = 0x308b;
+ t.rukatakana = 0x30eb;
+ t.rukatakanahalfwidth = 0xff99;
+ t.rupeemarkbengali = 0x09f2;
+ t.rupeesignbengali = 0x09f3;
+ t.rupiah = 0xf6dd;
+ t.ruthai = 0x0e24;
+ t.rvocalicbengali = 0x098b;
+ t.rvocalicdeva = 0x090b;
+ t.rvocalicgujarati = 0x0a8b;
+ t.rvocalicvowelsignbengali = 0x09c3;
+ t.rvocalicvowelsigndeva = 0x0943;
+ t.rvocalicvowelsigngujarati = 0x0ac3;
+ t.s = 0x0073;
+ t.sabengali = 0x09b8;
+ t.sacute = 0x015b;
+ t.sacutedotaccent = 0x1e65;
+ t.sadarabic = 0x0635;
+ t.sadeva = 0x0938;
+ t.sadfinalarabic = 0xfeba;
+ t.sadinitialarabic = 0xfebb;
+ t.sadmedialarabic = 0xfebc;
+ t.sagujarati = 0x0ab8;
+ t.sagurmukhi = 0x0a38;
+ t.sahiragana = 0x3055;
+ t.sakatakana = 0x30b5;
+ t.sakatakanahalfwidth = 0xff7b;
+ t.sallallahoualayhewasallamarabic = 0xfdfa;
+ t.samekh = 0x05e1;
+ t.samekhdagesh = 0xfb41;
+ t.samekhdageshhebrew = 0xfb41;
+ t.samekhhebrew = 0x05e1;
+ t.saraaathai = 0x0e32;
+ t.saraaethai = 0x0e41;
+ t.saraaimaimalaithai = 0x0e44;
+ t.saraaimaimuanthai = 0x0e43;
+ t.saraamthai = 0x0e33;
+ t.saraathai = 0x0e30;
+ t.saraethai = 0x0e40;
+ t.saraiileftthai = 0xf886;
+ t.saraiithai = 0x0e35;
+ t.saraileftthai = 0xf885;
+ t.saraithai = 0x0e34;
+ t.saraothai = 0x0e42;
+ t.saraueeleftthai = 0xf888;
+ t.saraueethai = 0x0e37;
+ t.saraueleftthai = 0xf887;
+ t.sarauethai = 0x0e36;
+ t.sarauthai = 0x0e38;
+ t.sarauuthai = 0x0e39;
+ t.sbopomofo = 0x3119;
+ t.scaron = 0x0161;
+ t.scarondotaccent = 0x1e67;
+ t.scedilla = 0x015f;
+ t.schwa = 0x0259;
+ t.schwacyrillic = 0x04d9;
+ t.schwadieresiscyrillic = 0x04db;
+ t.schwahook = 0x025a;
+ t.scircle = 0x24e2;
+ t.scircumflex = 0x015d;
+ t.scommaaccent = 0x0219;
+ t.sdotaccent = 0x1e61;
+ t.sdotbelow = 0x1e63;
+ t.sdotbelowdotaccent = 0x1e69;
+ t.seagullbelowcmb = 0x033c;
+ t.second = 0x2033;
+ t.secondtonechinese = 0x02ca;
+ t.section = 0x00a7;
+ t.seenarabic = 0x0633;
+ t.seenfinalarabic = 0xfeb2;
+ t.seeninitialarabic = 0xfeb3;
+ t.seenmedialarabic = 0xfeb4;
+ t.segol = 0x05b6;
+ t.segol13 = 0x05b6;
+ t.segol1f = 0x05b6;
+ t.segol2c = 0x05b6;
+ t.segolhebrew = 0x05b6;
+ t.segolnarrowhebrew = 0x05b6;
+ t.segolquarterhebrew = 0x05b6;
+ t.segoltahebrew = 0x0592;
+ t.segolwidehebrew = 0x05b6;
+ t.seharmenian = 0x057d;
+ t.sehiragana = 0x305b;
+ t.sekatakana = 0x30bb;
+ t.sekatakanahalfwidth = 0xff7e;
+ t.semicolon = 0x003b;
+ t.semicolonarabic = 0x061b;
+ t.semicolonmonospace = 0xff1b;
+ t.semicolonsmall = 0xfe54;
+ t.semivoicedmarkkana = 0x309c;
+ t.semivoicedmarkkanahalfwidth = 0xff9f;
+ t.sentisquare = 0x3322;
+ t.sentosquare = 0x3323;
+ t.seven = 0x0037;
+ t.sevenarabic = 0x0667;
+ t.sevenbengali = 0x09ed;
+ t.sevencircle = 0x2466;
+ t.sevencircleinversesansserif = 0x2790;
+ t.sevendeva = 0x096d;
+ t.seveneighths = 0x215e;
+ t.sevengujarati = 0x0aed;
+ t.sevengurmukhi = 0x0a6d;
+ t.sevenhackarabic = 0x0667;
+ t.sevenhangzhou = 0x3027;
+ t.sevenideographicparen = 0x3226;
+ t.seveninferior = 0x2087;
+ t.sevenmonospace = 0xff17;
+ t.sevenoldstyle = 0xf737;
+ t.sevenparen = 0x247a;
+ t.sevenperiod = 0x248e;
+ t.sevenpersian = 0x06f7;
+ t.sevenroman = 0x2176;
+ t.sevensuperior = 0x2077;
+ t.seventeencircle = 0x2470;
+ t.seventeenparen = 0x2484;
+ t.seventeenperiod = 0x2498;
+ t.seventhai = 0x0e57;
+ t.sfthyphen = 0x00ad;
+ t.shaarmenian = 0x0577;
+ t.shabengali = 0x09b6;
+ t.shacyrillic = 0x0448;
+ t.shaddaarabic = 0x0651;
+ t.shaddadammaarabic = 0xfc61;
+ t.shaddadammatanarabic = 0xfc5e;
+ t.shaddafathaarabic = 0xfc60;
+ t.shaddakasraarabic = 0xfc62;
+ t.shaddakasratanarabic = 0xfc5f;
+ t.shade = 0x2592;
+ t.shadedark = 0x2593;
+ t.shadelight = 0x2591;
+ t.shademedium = 0x2592;
+ t.shadeva = 0x0936;
+ t.shagujarati = 0x0ab6;
+ t.shagurmukhi = 0x0a36;
+ t.shalshelethebrew = 0x0593;
+ t.shbopomofo = 0x3115;
+ t.shchacyrillic = 0x0449;
+ t.sheenarabic = 0x0634;
+ t.sheenfinalarabic = 0xfeb6;
+ t.sheeninitialarabic = 0xfeb7;
+ t.sheenmedialarabic = 0xfeb8;
+ t.sheicoptic = 0x03e3;
+ t.sheqel = 0x20aa;
+ t.sheqelhebrew = 0x20aa;
+ t.sheva = 0x05b0;
+ t.sheva115 = 0x05b0;
+ t.sheva15 = 0x05b0;
+ t.sheva22 = 0x05b0;
+ t.sheva2e = 0x05b0;
+ t.shevahebrew = 0x05b0;
+ t.shevanarrowhebrew = 0x05b0;
+ t.shevaquarterhebrew = 0x05b0;
+ t.shevawidehebrew = 0x05b0;
+ t.shhacyrillic = 0x04bb;
+ t.shimacoptic = 0x03ed;
+ t.shin = 0x05e9;
+ t.shindagesh = 0xfb49;
+ t.shindageshhebrew = 0xfb49;
+ t.shindageshshindot = 0xfb2c;
+ t.shindageshshindothebrew = 0xfb2c;
+ t.shindageshsindot = 0xfb2d;
+ t.shindageshsindothebrew = 0xfb2d;
+ t.shindothebrew = 0x05c1;
+ t.shinhebrew = 0x05e9;
+ t.shinshindot = 0xfb2a;
+ t.shinshindothebrew = 0xfb2a;
+ t.shinsindot = 0xfb2b;
+ t.shinsindothebrew = 0xfb2b;
+ t.shook = 0x0282;
+ t.sigma = 0x03c3;
+ t.sigma1 = 0x03c2;
+ t.sigmafinal = 0x03c2;
+ t.sigmalunatesymbolgreek = 0x03f2;
+ t.sihiragana = 0x3057;
+ t.sikatakana = 0x30b7;
+ t.sikatakanahalfwidth = 0xff7c;
+ t.siluqhebrew = 0x05bd;
+ t.siluqlefthebrew = 0x05bd;
+ t.similar = 0x223c;
+ t.sindothebrew = 0x05c2;
+ t.siosacirclekorean = 0x3274;
+ t.siosaparenkorean = 0x3214;
+ t.sioscieuckorean = 0x317e;
+ t.sioscirclekorean = 0x3266;
+ t.sioskiyeokkorean = 0x317a;
+ t.sioskorean = 0x3145;
+ t.siosnieunkorean = 0x317b;
+ t.siosparenkorean = 0x3206;
+ t.siospieupkorean = 0x317d;
+ t.siostikeutkorean = 0x317c;
+ t.six = 0x0036;
+ t.sixarabic = 0x0666;
+ t.sixbengali = 0x09ec;
+ t.sixcircle = 0x2465;
+ t.sixcircleinversesansserif = 0x278f;
+ t.sixdeva = 0x096c;
+ t.sixgujarati = 0x0aec;
+ t.sixgurmukhi = 0x0a6c;
+ t.sixhackarabic = 0x0666;
+ t.sixhangzhou = 0x3026;
+ t.sixideographicparen = 0x3225;
+ t.sixinferior = 0x2086;
+ t.sixmonospace = 0xff16;
+ t.sixoldstyle = 0xf736;
+ t.sixparen = 0x2479;
+ t.sixperiod = 0x248d;
+ t.sixpersian = 0x06f6;
+ t.sixroman = 0x2175;
+ t.sixsuperior = 0x2076;
+ t.sixteencircle = 0x246f;
+ t.sixteencurrencydenominatorbengali = 0x09f9;
+ t.sixteenparen = 0x2483;
+ t.sixteenperiod = 0x2497;
+ t.sixthai = 0x0e56;
+ t.slash = 0x002f;
+ t.slashmonospace = 0xff0f;
+ t.slong = 0x017f;
+ t.slongdotaccent = 0x1e9b;
+ t.smileface = 0x263a;
+ t.smonospace = 0xff53;
+ t.sofpasuqhebrew = 0x05c3;
+ t.softhyphen = 0x00ad;
+ t.softsigncyrillic = 0x044c;
+ t.sohiragana = 0x305d;
+ t.sokatakana = 0x30bd;
+ t.sokatakanahalfwidth = 0xff7f;
+ t.soliduslongoverlaycmb = 0x0338;
+ t.solidusshortoverlaycmb = 0x0337;
+ t.sorusithai = 0x0e29;
+ t.sosalathai = 0x0e28;
+ t.sosothai = 0x0e0b;
+ t.sosuathai = 0x0e2a;
+ t.space = 0x0020;
+ t.spacehackarabic = 0x0020;
+ t.spade = 0x2660;
+ t.spadesuitblack = 0x2660;
+ t.spadesuitwhite = 0x2664;
+ t.sparen = 0x24ae;
+ t.squarebelowcmb = 0x033b;
+ t.squarecc = 0x33c4;
+ t.squarecm = 0x339d;
+ t.squarediagonalcrosshatchfill = 0x25a9;
+ t.squarehorizontalfill = 0x25a4;
+ t.squarekg = 0x338f;
+ t.squarekm = 0x339e;
+ t.squarekmcapital = 0x33ce;
+ t.squareln = 0x33d1;
+ t.squarelog = 0x33d2;
+ t.squaremg = 0x338e;
+ t.squaremil = 0x33d5;
+ t.squaremm = 0x339c;
+ t.squaremsquared = 0x33a1;
+ t.squareorthogonalcrosshatchfill = 0x25a6;
+ t.squareupperlefttolowerrightfill = 0x25a7;
+ t.squareupperrighttolowerleftfill = 0x25a8;
+ t.squareverticalfill = 0x25a5;
+ t.squarewhitewithsmallblack = 0x25a3;
+ t.srsquare = 0x33db;
+ t.ssabengali = 0x09b7;
+ t.ssadeva = 0x0937;
+ t.ssagujarati = 0x0ab7;
+ t.ssangcieuckorean = 0x3149;
+ t.ssanghieuhkorean = 0x3185;
+ t.ssangieungkorean = 0x3180;
+ t.ssangkiyeokkorean = 0x3132;
+ t.ssangnieunkorean = 0x3165;
+ t.ssangpieupkorean = 0x3143;
+ t.ssangsioskorean = 0x3146;
+ t.ssangtikeutkorean = 0x3138;
+ t.ssuperior = 0xf6f2;
+ t.sterling = 0x00a3;
+ t.sterlingmonospace = 0xffe1;
+ t.strokelongoverlaycmb = 0x0336;
+ t.strokeshortoverlaycmb = 0x0335;
+ t.subset = 0x2282;
+ t.subsetnotequal = 0x228a;
+ t.subsetorequal = 0x2286;
+ t.succeeds = 0x227b;
+ t.suchthat = 0x220b;
+ t.suhiragana = 0x3059;
+ t.sukatakana = 0x30b9;
+ t.sukatakanahalfwidth = 0xff7d;
+ t.sukunarabic = 0x0652;
+ t.summation = 0x2211;
+ t.sun = 0x263c;
+ t.superset = 0x2283;
+ t.supersetnotequal = 0x228b;
+ t.supersetorequal = 0x2287;
+ t.svsquare = 0x33dc;
+ t.syouwaerasquare = 0x337c;
+ t.t = 0x0074;
+ t.tabengali = 0x09a4;
+ t.tackdown = 0x22a4;
+ t.tackleft = 0x22a3;
+ t.tadeva = 0x0924;
+ t.tagujarati = 0x0aa4;
+ t.tagurmukhi = 0x0a24;
+ t.taharabic = 0x0637;
+ t.tahfinalarabic = 0xfec2;
+ t.tahinitialarabic = 0xfec3;
+ t.tahiragana = 0x305f;
+ t.tahmedialarabic = 0xfec4;
+ t.taisyouerasquare = 0x337d;
+ t.takatakana = 0x30bf;
+ t.takatakanahalfwidth = 0xff80;
+ t.tatweelarabic = 0x0640;
+ t.tau = 0x03c4;
+ t.tav = 0x05ea;
+ t.tavdages = 0xfb4a;
+ t.tavdagesh = 0xfb4a;
+ t.tavdageshhebrew = 0xfb4a;
+ t.tavhebrew = 0x05ea;
+ t.tbar = 0x0167;
+ t.tbopomofo = 0x310a;
+ t.tcaron = 0x0165;
+ t.tccurl = 0x02a8;
+ t.tcedilla = 0x0163;
+ t.tcheharabic = 0x0686;
+ t.tchehfinalarabic = 0xfb7b;
+ t.tchehinitialarabic = 0xfb7c;
+ t.tchehmedialarabic = 0xfb7d;
+ t.tcircle = 0x24e3;
+ t.tcircumflexbelow = 0x1e71;
+ t.tcommaaccent = 0x0163;
+ t.tdieresis = 0x1e97;
+ t.tdotaccent = 0x1e6b;
+ t.tdotbelow = 0x1e6d;
+ t.tecyrillic = 0x0442;
+ t.tedescendercyrillic = 0x04ad;
+ t.teharabic = 0x062a;
+ t.tehfinalarabic = 0xfe96;
+ t.tehhahinitialarabic = 0xfca2;
+ t.tehhahisolatedarabic = 0xfc0c;
+ t.tehinitialarabic = 0xfe97;
+ t.tehiragana = 0x3066;
+ t.tehjeeminitialarabic = 0xfca1;
+ t.tehjeemisolatedarabic = 0xfc0b;
+ t.tehmarbutaarabic = 0x0629;
+ t.tehmarbutafinalarabic = 0xfe94;
+ t.tehmedialarabic = 0xfe98;
+ t.tehmeeminitialarabic = 0xfca4;
+ t.tehmeemisolatedarabic = 0xfc0e;
+ t.tehnoonfinalarabic = 0xfc73;
+ t.tekatakana = 0x30c6;
+ t.tekatakanahalfwidth = 0xff83;
+ t.telephone = 0x2121;
+ t.telephoneblack = 0x260e;
+ t.telishagedolahebrew = 0x05a0;
+ t.telishaqetanahebrew = 0x05a9;
+ t.tencircle = 0x2469;
+ t.tenideographicparen = 0x3229;
+ t.tenparen = 0x247d;
+ t.tenperiod = 0x2491;
+ t.tenroman = 0x2179;
+ t.tesh = 0x02a7;
+ t.tet = 0x05d8;
+ t.tetdagesh = 0xfb38;
+ t.tetdageshhebrew = 0xfb38;
+ t.tethebrew = 0x05d8;
+ t.tetsecyrillic = 0x04b5;
+ t.tevirhebrew = 0x059b;
+ t.tevirlefthebrew = 0x059b;
+ t.thabengali = 0x09a5;
+ t.thadeva = 0x0925;
+ t.thagujarati = 0x0aa5;
+ t.thagurmukhi = 0x0a25;
+ t.thalarabic = 0x0630;
+ t.thalfinalarabic = 0xfeac;
+ t.thanthakhatlowleftthai = 0xf898;
+ t.thanthakhatlowrightthai = 0xf897;
+ t.thanthakhatthai = 0x0e4c;
+ t.thanthakhatupperleftthai = 0xf896;
+ t.theharabic = 0x062b;
+ t.thehfinalarabic = 0xfe9a;
+ t.thehinitialarabic = 0xfe9b;
+ t.thehmedialarabic = 0xfe9c;
+ t.thereexists = 0x2203;
+ t.therefore = 0x2234;
+ t.theta = 0x03b8;
+ t.theta1 = 0x03d1;
+ t.thetasymbolgreek = 0x03d1;
+ t.thieuthacirclekorean = 0x3279;
+ t.thieuthaparenkorean = 0x3219;
+ t.thieuthcirclekorean = 0x326b;
+ t.thieuthkorean = 0x314c;
+ t.thieuthparenkorean = 0x320b;
+ t.thirteencircle = 0x246c;
+ t.thirteenparen = 0x2480;
+ t.thirteenperiod = 0x2494;
+ t.thonangmonthothai = 0x0e11;
+ t.thook = 0x01ad;
+ t.thophuthaothai = 0x0e12;
+ t.thorn = 0x00fe;
+ t.thothahanthai = 0x0e17;
+ t.thothanthai = 0x0e10;
+ t.thothongthai = 0x0e18;
+ t.thothungthai = 0x0e16;
+ t.thousandcyrillic = 0x0482;
+ t.thousandsseparatorarabic = 0x066c;
+ t.thousandsseparatorpersian = 0x066c;
+ t.three = 0x0033;
+ t.threearabic = 0x0663;
+ t.threebengali = 0x09e9;
+ t.threecircle = 0x2462;
+ t.threecircleinversesansserif = 0x278c;
+ t.threedeva = 0x0969;
+ t.threeeighths = 0x215c;
+ t.threegujarati = 0x0ae9;
+ t.threegurmukhi = 0x0a69;
+ t.threehackarabic = 0x0663;
+ t.threehangzhou = 0x3023;
+ t.threeideographicparen = 0x3222;
+ t.threeinferior = 0x2083;
+ t.threemonospace = 0xff13;
+ t.threenumeratorbengali = 0x09f6;
+ t.threeoldstyle = 0xf733;
+ t.threeparen = 0x2476;
+ t.threeperiod = 0x248a;
+ t.threepersian = 0x06f3;
+ t.threequarters = 0x00be;
+ t.threequartersemdash = 0xf6de;
+ t.threeroman = 0x2172;
+ t.threesuperior = 0x00b3;
+ t.threethai = 0x0e53;
+ t.thzsquare = 0x3394;
+ t.tihiragana = 0x3061;
+ t.tikatakana = 0x30c1;
+ t.tikatakanahalfwidth = 0xff81;
+ t.tikeutacirclekorean = 0x3270;
+ t.tikeutaparenkorean = 0x3210;
+ t.tikeutcirclekorean = 0x3262;
+ t.tikeutkorean = 0x3137;
+ t.tikeutparenkorean = 0x3202;
+ t.tilde = 0x02dc;
+ t.tildebelowcmb = 0x0330;
+ t.tildecmb = 0x0303;
+ t.tildecomb = 0x0303;
+ t.tildedoublecmb = 0x0360;
+ t.tildeoperator = 0x223c;
+ t.tildeoverlaycmb = 0x0334;
+ t.tildeverticalcmb = 0x033e;
+ t.timescircle = 0x2297;
+ t.tipehahebrew = 0x0596;
+ t.tipehalefthebrew = 0x0596;
+ t.tippigurmukhi = 0x0a70;
+ t.titlocyrilliccmb = 0x0483;
+ t.tiwnarmenian = 0x057f;
+ t.tlinebelow = 0x1e6f;
+ t.tmonospace = 0xff54;
+ t.toarmenian = 0x0569;
+ t.tohiragana = 0x3068;
+ t.tokatakana = 0x30c8;
+ t.tokatakanahalfwidth = 0xff84;
+ t.tonebarextrahighmod = 0x02e5;
+ t.tonebarextralowmod = 0x02e9;
+ t.tonebarhighmod = 0x02e6;
+ t.tonebarlowmod = 0x02e8;
+ t.tonebarmidmod = 0x02e7;
+ t.tonefive = 0x01bd;
+ t.tonesix = 0x0185;
+ t.tonetwo = 0x01a8;
+ t.tonos = 0x0384;
+ t.tonsquare = 0x3327;
+ t.topatakthai = 0x0e0f;
+ t.tortoiseshellbracketleft = 0x3014;
+ t.tortoiseshellbracketleftsmall = 0xfe5d;
+ t.tortoiseshellbracketleftvertical = 0xfe39;
+ t.tortoiseshellbracketright = 0x3015;
+ t.tortoiseshellbracketrightsmall = 0xfe5e;
+ t.tortoiseshellbracketrightvertical = 0xfe3a;
+ t.totaothai = 0x0e15;
+ t.tpalatalhook = 0x01ab;
+ t.tparen = 0x24af;
+ t.trademark = 0x2122;
+ t.trademarksans = 0xf8ea;
+ t.trademarkserif = 0xf6db;
+ t.tretroflexhook = 0x0288;
+ t.triagdn = 0x25bc;
+ t.triaglf = 0x25c4;
+ t.triagrt = 0x25ba;
+ t.triagup = 0x25b2;
+ t.ts = 0x02a6;
+ t.tsadi = 0x05e6;
+ t.tsadidagesh = 0xfb46;
+ t.tsadidageshhebrew = 0xfb46;
+ t.tsadihebrew = 0x05e6;
+ t.tsecyrillic = 0x0446;
+ t.tsere = 0x05b5;
+ t.tsere12 = 0x05b5;
+ t.tsere1e = 0x05b5;
+ t.tsere2b = 0x05b5;
+ t.tserehebrew = 0x05b5;
+ t.tserenarrowhebrew = 0x05b5;
+ t.tserequarterhebrew = 0x05b5;
+ t.tserewidehebrew = 0x05b5;
+ t.tshecyrillic = 0x045b;
+ t.tsuperior = 0xf6f3;
+ t.ttabengali = 0x099f;
+ t.ttadeva = 0x091f;
+ t.ttagujarati = 0x0a9f;
+ t.ttagurmukhi = 0x0a1f;
+ t.tteharabic = 0x0679;
+ t.ttehfinalarabic = 0xfb67;
+ t.ttehinitialarabic = 0xfb68;
+ t.ttehmedialarabic = 0xfb69;
+ t.tthabengali = 0x09a0;
+ t.tthadeva = 0x0920;
+ t.tthagujarati = 0x0aa0;
+ t.tthagurmukhi = 0x0a20;
+ t.tturned = 0x0287;
+ t.tuhiragana = 0x3064;
+ t.tukatakana = 0x30c4;
+ t.tukatakanahalfwidth = 0xff82;
+ t.tusmallhiragana = 0x3063;
+ t.tusmallkatakana = 0x30c3;
+ t.tusmallkatakanahalfwidth = 0xff6f;
+ t.twelvecircle = 0x246b;
+ t.twelveparen = 0x247f;
+ t.twelveperiod = 0x2493;
+ t.twelveroman = 0x217b;
+ t.twentycircle = 0x2473;
+ t.twentyhangzhou = 0x5344;
+ t.twentyparen = 0x2487;
+ t.twentyperiod = 0x249b;
+ t.two = 0x0032;
+ t.twoarabic = 0x0662;
+ t.twobengali = 0x09e8;
+ t.twocircle = 0x2461;
+ t.twocircleinversesansserif = 0x278b;
+ t.twodeva = 0x0968;
+ t.twodotenleader = 0x2025;
+ t.twodotleader = 0x2025;
+ t.twodotleadervertical = 0xfe30;
+ t.twogujarati = 0x0ae8;
+ t.twogurmukhi = 0x0a68;
+ t.twohackarabic = 0x0662;
+ t.twohangzhou = 0x3022;
+ t.twoideographicparen = 0x3221;
+ t.twoinferior = 0x2082;
+ t.twomonospace = 0xff12;
+ t.twonumeratorbengali = 0x09f5;
+ t.twooldstyle = 0xf732;
+ t.twoparen = 0x2475;
+ t.twoperiod = 0x2489;
+ t.twopersian = 0x06f2;
+ t.tworoman = 0x2171;
+ t.twostroke = 0x01bb;
+ t.twosuperior = 0x00b2;
+ t.twothai = 0x0e52;
+ t.twothirds = 0x2154;
+ t.u = 0x0075;
+ t.uacute = 0x00fa;
+ t.ubar = 0x0289;
+ t.ubengali = 0x0989;
+ t.ubopomofo = 0x3128;
+ t.ubreve = 0x016d;
+ t.ucaron = 0x01d4;
+ t.ucircle = 0x24e4;
+ t.ucircumflex = 0x00fb;
+ t.ucircumflexbelow = 0x1e77;
+ t.ucyrillic = 0x0443;
+ t.udattadeva = 0x0951;
+ t.udblacute = 0x0171;
+ t.udblgrave = 0x0215;
+ t.udeva = 0x0909;
+ t.udieresis = 0x00fc;
+ t.udieresisacute = 0x01d8;
+ t.udieresisbelow = 0x1e73;
+ t.udieresiscaron = 0x01da;
+ t.udieresiscyrillic = 0x04f1;
+ t.udieresisgrave = 0x01dc;
+ t.udieresismacron = 0x01d6;
+ t.udotbelow = 0x1ee5;
+ t.ugrave = 0x00f9;
+ t.ugujarati = 0x0a89;
+ t.ugurmukhi = 0x0a09;
+ t.uhiragana = 0x3046;
+ t.uhookabove = 0x1ee7;
+ t.uhorn = 0x01b0;
+ t.uhornacute = 0x1ee9;
+ t.uhorndotbelow = 0x1ef1;
+ t.uhorngrave = 0x1eeb;
+ t.uhornhookabove = 0x1eed;
+ t.uhorntilde = 0x1eef;
+ t.uhungarumlaut = 0x0171;
+ t.uhungarumlautcyrillic = 0x04f3;
+ t.uinvertedbreve = 0x0217;
+ t.ukatakana = 0x30a6;
+ t.ukatakanahalfwidth = 0xff73;
+ t.ukcyrillic = 0x0479;
+ t.ukorean = 0x315c;
+ t.umacron = 0x016b;
+ t.umacroncyrillic = 0x04ef;
+ t.umacrondieresis = 0x1e7b;
+ t.umatragurmukhi = 0x0a41;
+ t.umonospace = 0xff55;
+ t.underscore = 0x005f;
+ t.underscoredbl = 0x2017;
+ t.underscoremonospace = 0xff3f;
+ t.underscorevertical = 0xfe33;
+ t.underscorewavy = 0xfe4f;
+ t.union = 0x222a;
+ t.universal = 0x2200;
+ t.uogonek = 0x0173;
+ t.uparen = 0x24b0;
+ t.upblock = 0x2580;
+ t.upperdothebrew = 0x05c4;
+ t.upsilon = 0x03c5;
+ t.upsilondieresis = 0x03cb;
+ t.upsilondieresistonos = 0x03b0;
+ t.upsilonlatin = 0x028a;
+ t.upsilontonos = 0x03cd;
+ t.uptackbelowcmb = 0x031d;
+ t.uptackmod = 0x02d4;
+ t.uragurmukhi = 0x0a73;
+ t.uring = 0x016f;
+ t.ushortcyrillic = 0x045e;
+ t.usmallhiragana = 0x3045;
+ t.usmallkatakana = 0x30a5;
+ t.usmallkatakanahalfwidth = 0xff69;
+ t.ustraightcyrillic = 0x04af;
+ t.ustraightstrokecyrillic = 0x04b1;
+ t.utilde = 0x0169;
+ t.utildeacute = 0x1e79;
+ t.utildebelow = 0x1e75;
+ t.uubengali = 0x098a;
+ t.uudeva = 0x090a;
+ t.uugujarati = 0x0a8a;
+ t.uugurmukhi = 0x0a0a;
+ t.uumatragurmukhi = 0x0a42;
+ t.uuvowelsignbengali = 0x09c2;
+ t.uuvowelsigndeva = 0x0942;
+ t.uuvowelsigngujarati = 0x0ac2;
+ t.uvowelsignbengali = 0x09c1;
+ t.uvowelsigndeva = 0x0941;
+ t.uvowelsigngujarati = 0x0ac1;
+ t.v = 0x0076;
+ t.vadeva = 0x0935;
+ t.vagujarati = 0x0ab5;
+ t.vagurmukhi = 0x0a35;
+ t.vakatakana = 0x30f7;
+ t.vav = 0x05d5;
+ t.vavdagesh = 0xfb35;
+ t.vavdagesh65 = 0xfb35;
+ t.vavdageshhebrew = 0xfb35;
+ t.vavhebrew = 0x05d5;
+ t.vavholam = 0xfb4b;
+ t.vavholamhebrew = 0xfb4b;
+ t.vavvavhebrew = 0x05f0;
+ t.vavyodhebrew = 0x05f1;
+ t.vcircle = 0x24e5;
+ t.vdotbelow = 0x1e7f;
+ t.vecyrillic = 0x0432;
+ t.veharabic = 0x06a4;
+ t.vehfinalarabic = 0xfb6b;
+ t.vehinitialarabic = 0xfb6c;
+ t.vehmedialarabic = 0xfb6d;
+ t.vekatakana = 0x30f9;
+ t.venus = 0x2640;
+ t.verticalbar = 0x007c;
+ t.verticallineabovecmb = 0x030d;
+ t.verticallinebelowcmb = 0x0329;
+ t.verticallinelowmod = 0x02cc;
+ t.verticallinemod = 0x02c8;
+ t.vewarmenian = 0x057e;
+ t.vhook = 0x028b;
+ t.vikatakana = 0x30f8;
+ t.viramabengali = 0x09cd;
+ t.viramadeva = 0x094d;
+ t.viramagujarati = 0x0acd;
+ t.visargabengali = 0x0983;
+ t.visargadeva = 0x0903;
+ t.visargagujarati = 0x0a83;
+ t.vmonospace = 0xff56;
+ t.voarmenian = 0x0578;
+ t.voicediterationhiragana = 0x309e;
+ t.voicediterationkatakana = 0x30fe;
+ t.voicedmarkkana = 0x309b;
+ t.voicedmarkkanahalfwidth = 0xff9e;
+ t.vokatakana = 0x30fa;
+ t.vparen = 0x24b1;
+ t.vtilde = 0x1e7d;
+ t.vturned = 0x028c;
+ t.vuhiragana = 0x3094;
+ t.vukatakana = 0x30f4;
+ t.w = 0x0077;
+ t.wacute = 0x1e83;
+ t.waekorean = 0x3159;
+ t.wahiragana = 0x308f;
+ t.wakatakana = 0x30ef;
+ t.wakatakanahalfwidth = 0xff9c;
+ t.wakorean = 0x3158;
+ t.wasmallhiragana = 0x308e;
+ t.wasmallkatakana = 0x30ee;
+ t.wattosquare = 0x3357;
+ t.wavedash = 0x301c;
+ t.wavyunderscorevertical = 0xfe34;
+ t.wawarabic = 0x0648;
+ t.wawfinalarabic = 0xfeee;
+ t.wawhamzaabovearabic = 0x0624;
+ t.wawhamzaabovefinalarabic = 0xfe86;
+ t.wbsquare = 0x33dd;
+ t.wcircle = 0x24e6;
+ t.wcircumflex = 0x0175;
+ t.wdieresis = 0x1e85;
+ t.wdotaccent = 0x1e87;
+ t.wdotbelow = 0x1e89;
+ t.wehiragana = 0x3091;
+ t.weierstrass = 0x2118;
+ t.wekatakana = 0x30f1;
+ t.wekorean = 0x315e;
+ t.weokorean = 0x315d;
+ t.wgrave = 0x1e81;
+ t.whitebullet = 0x25e6;
+ t.whitecircle = 0x25cb;
+ t.whitecircleinverse = 0x25d9;
+ t.whitecornerbracketleft = 0x300e;
+ t.whitecornerbracketleftvertical = 0xfe43;
+ t.whitecornerbracketright = 0x300f;
+ t.whitecornerbracketrightvertical = 0xfe44;
+ t.whitediamond = 0x25c7;
+ t.whitediamondcontainingblacksmalldiamond = 0x25c8;
+ t.whitedownpointingsmalltriangle = 0x25bf;
+ t.whitedownpointingtriangle = 0x25bd;
+ t.whiteleftpointingsmalltriangle = 0x25c3;
+ t.whiteleftpointingtriangle = 0x25c1;
+ t.whitelenticularbracketleft = 0x3016;
+ t.whitelenticularbracketright = 0x3017;
+ t.whiterightpointingsmalltriangle = 0x25b9;
+ t.whiterightpointingtriangle = 0x25b7;
+ t.whitesmallsquare = 0x25ab;
+ t.whitesmilingface = 0x263a;
+ t.whitesquare = 0x25a1;
+ t.whitestar = 0x2606;
+ t.whitetelephone = 0x260f;
+ t.whitetortoiseshellbracketleft = 0x3018;
+ t.whitetortoiseshellbracketright = 0x3019;
+ t.whiteuppointingsmalltriangle = 0x25b5;
+ t.whiteuppointingtriangle = 0x25b3;
+ t.wihiragana = 0x3090;
+ t.wikatakana = 0x30f0;
+ t.wikorean = 0x315f;
+ t.wmonospace = 0xff57;
+ t.wohiragana = 0x3092;
+ t.wokatakana = 0x30f2;
+ t.wokatakanahalfwidth = 0xff66;
+ t.won = 0x20a9;
+ t.wonmonospace = 0xffe6;
+ t.wowaenthai = 0x0e27;
+ t.wparen = 0x24b2;
+ t.wring = 0x1e98;
+ t.wsuperior = 0x02b7;
+ t.wturned = 0x028d;
+ t.wynn = 0x01bf;
+ t.x = 0x0078;
+ t.xabovecmb = 0x033d;
+ t.xbopomofo = 0x3112;
+ t.xcircle = 0x24e7;
+ t.xdieresis = 0x1e8d;
+ t.xdotaccent = 0x1e8b;
+ t.xeharmenian = 0x056d;
+ t.xi = 0x03be;
+ t.xmonospace = 0xff58;
+ t.xparen = 0x24b3;
+ t.xsuperior = 0x02e3;
+ t.y = 0x0079;
+ t.yaadosquare = 0x334e;
+ t.yabengali = 0x09af;
+ t.yacute = 0x00fd;
+ t.yadeva = 0x092f;
+ t.yaekorean = 0x3152;
+ t.yagujarati = 0x0aaf;
+ t.yagurmukhi = 0x0a2f;
+ t.yahiragana = 0x3084;
+ t.yakatakana = 0x30e4;
+ t.yakatakanahalfwidth = 0xff94;
+ t.yakorean = 0x3151;
+ t.yamakkanthai = 0x0e4e;
+ t.yasmallhiragana = 0x3083;
+ t.yasmallkatakana = 0x30e3;
+ t.yasmallkatakanahalfwidth = 0xff6c;
+ t.yatcyrillic = 0x0463;
+ t.ycircle = 0x24e8;
+ t.ycircumflex = 0x0177;
+ t.ydieresis = 0x00ff;
+ t.ydotaccent = 0x1e8f;
+ t.ydotbelow = 0x1ef5;
+ t.yeharabic = 0x064a;
+ t.yehbarreearabic = 0x06d2;
+ t.yehbarreefinalarabic = 0xfbaf;
+ t.yehfinalarabic = 0xfef2;
+ t.yehhamzaabovearabic = 0x0626;
+ t.yehhamzaabovefinalarabic = 0xfe8a;
+ t.yehhamzaaboveinitialarabic = 0xfe8b;
+ t.yehhamzaabovemedialarabic = 0xfe8c;
+ t.yehinitialarabic = 0xfef3;
+ t.yehmedialarabic = 0xfef4;
+ t.yehmeeminitialarabic = 0xfcdd;
+ t.yehmeemisolatedarabic = 0xfc58;
+ t.yehnoonfinalarabic = 0xfc94;
+ t.yehthreedotsbelowarabic = 0x06d1;
+ t.yekorean = 0x3156;
+ t.yen = 0x00a5;
+ t.yenmonospace = 0xffe5;
+ t.yeokorean = 0x3155;
+ t.yeorinhieuhkorean = 0x3186;
+ t.yerahbenyomohebrew = 0x05aa;
+ t.yerahbenyomolefthebrew = 0x05aa;
+ t.yericyrillic = 0x044b;
+ t.yerudieresiscyrillic = 0x04f9;
+ t.yesieungkorean = 0x3181;
+ t.yesieungpansioskorean = 0x3183;
+ t.yesieungsioskorean = 0x3182;
+ t.yetivhebrew = 0x059a;
+ t.ygrave = 0x1ef3;
+ t.yhook = 0x01b4;
+ t.yhookabove = 0x1ef7;
+ t.yiarmenian = 0x0575;
+ t.yicyrillic = 0x0457;
+ t.yikorean = 0x3162;
+ t.yinyang = 0x262f;
+ t.yiwnarmenian = 0x0582;
+ t.ymonospace = 0xff59;
+ t.yod = 0x05d9;
+ t.yoddagesh = 0xfb39;
+ t.yoddageshhebrew = 0xfb39;
+ t.yodhebrew = 0x05d9;
+ t.yodyodhebrew = 0x05f2;
+ t.yodyodpatahhebrew = 0xfb1f;
+ t.yohiragana = 0x3088;
+ t.yoikorean = 0x3189;
+ t.yokatakana = 0x30e8;
+ t.yokatakanahalfwidth = 0xff96;
+ t.yokorean = 0x315b;
+ t.yosmallhiragana = 0x3087;
+ t.yosmallkatakana = 0x30e7;
+ t.yosmallkatakanahalfwidth = 0xff6e;
+ t.yotgreek = 0x03f3;
+ t.yoyaekorean = 0x3188;
+ t.yoyakorean = 0x3187;
+ t.yoyakthai = 0x0e22;
+ t.yoyingthai = 0x0e0d;
+ t.yparen = 0x24b4;
+ t.ypogegrammeni = 0x037a;
+ t.ypogegrammenigreekcmb = 0x0345;
+ t.yr = 0x01a6;
+ t.yring = 0x1e99;
+ t.ysuperior = 0x02b8;
+ t.ytilde = 0x1ef9;
+ t.yturned = 0x028e;
+ t.yuhiragana = 0x3086;
+ t.yuikorean = 0x318c;
+ t.yukatakana = 0x30e6;
+ t.yukatakanahalfwidth = 0xff95;
+ t.yukorean = 0x3160;
+ t.yusbigcyrillic = 0x046b;
+ t.yusbigiotifiedcyrillic = 0x046d;
+ t.yuslittlecyrillic = 0x0467;
+ t.yuslittleiotifiedcyrillic = 0x0469;
+ t.yusmallhiragana = 0x3085;
+ t.yusmallkatakana = 0x30e5;
+ t.yusmallkatakanahalfwidth = 0xff6d;
+ t.yuyekorean = 0x318b;
+ t.yuyeokorean = 0x318a;
+ t.yyabengali = 0x09df;
+ t.yyadeva = 0x095f;
+ t.z = 0x007a;
+ t.zaarmenian = 0x0566;
+ t.zacute = 0x017a;
+ t.zadeva = 0x095b;
+ t.zagurmukhi = 0x0a5b;
+ t.zaharabic = 0x0638;
+ t.zahfinalarabic = 0xfec6;
+ t.zahinitialarabic = 0xfec7;
+ t.zahiragana = 0x3056;
+ t.zahmedialarabic = 0xfec8;
+ t.zainarabic = 0x0632;
+ t.zainfinalarabic = 0xfeb0;
+ t.zakatakana = 0x30b6;
+ t.zaqefgadolhebrew = 0x0595;
+ t.zaqefqatanhebrew = 0x0594;
+ t.zarqahebrew = 0x0598;
+ t.zayin = 0x05d6;
+ t.zayindagesh = 0xfb36;
+ t.zayindageshhebrew = 0xfb36;
+ t.zayinhebrew = 0x05d6;
+ t.zbopomofo = 0x3117;
+ t.zcaron = 0x017e;
+ t.zcircle = 0x24e9;
+ t.zcircumflex = 0x1e91;
+ t.zcurl = 0x0291;
+ t.zdot = 0x017c;
+ t.zdotaccent = 0x017c;
+ t.zdotbelow = 0x1e93;
+ t.zecyrillic = 0x0437;
+ t.zedescendercyrillic = 0x0499;
+ t.zedieresiscyrillic = 0x04df;
+ t.zehiragana = 0x305c;
+ t.zekatakana = 0x30bc;
+ t.zero = 0x0030;
+ t.zeroarabic = 0x0660;
+ t.zerobengali = 0x09e6;
+ t.zerodeva = 0x0966;
+ t.zerogujarati = 0x0ae6;
+ t.zerogurmukhi = 0x0a66;
+ t.zerohackarabic = 0x0660;
+ t.zeroinferior = 0x2080;
+ t.zeromonospace = 0xff10;
+ t.zerooldstyle = 0xf730;
+ t.zeropersian = 0x06f0;
+ t.zerosuperior = 0x2070;
+ t.zerothai = 0x0e50;
+ t.zerowidthjoiner = 0xfeff;
+ t.zerowidthnonjoiner = 0x200c;
+ t.zerowidthspace = 0x200b;
+ t.zeta = 0x03b6;
+ t.zhbopomofo = 0x3113;
+ t.zhearmenian = 0x056a;
+ t.zhebrevecyrillic = 0x04c2;
+ t.zhecyrillic = 0x0436;
+ t.zhedescendercyrillic = 0x0497;
+ t.zhedieresiscyrillic = 0x04dd;
+ t.zihiragana = 0x3058;
+ t.zikatakana = 0x30b8;
+ t.zinorhebrew = 0x05ae;
+ t.zlinebelow = 0x1e95;
+ t.zmonospace = 0xff5a;
+ t.zohiragana = 0x305e;
+ t.zokatakana = 0x30be;
+ t.zparen = 0x24b5;
+ t.zretroflexhook = 0x0290;
+ t.zstroke = 0x01b6;
+ t.zuhiragana = 0x305a;
+ t.zukatakana = 0x30ba;
+ t[".notdef"] = 0x0000;
+ t.angbracketleftbig = 0x2329;
+ t.angbracketleftBig = 0x2329;
+ t.angbracketleftbigg = 0x2329;
+ t.angbracketleftBigg = 0x2329;
+ t.angbracketrightBig = 0x232a;
+ t.angbracketrightbig = 0x232a;
+ t.angbracketrightBigg = 0x232a;
+ t.angbracketrightbigg = 0x232a;
+ t.arrowhookleft = 0x21aa;
+ t.arrowhookright = 0x21a9;
+ t.arrowlefttophalf = 0x21bc;
+ t.arrowleftbothalf = 0x21bd;
+ t.arrownortheast = 0x2197;
+ t.arrownorthwest = 0x2196;
+ t.arrowrighttophalf = 0x21c0;
+ t.arrowrightbothalf = 0x21c1;
+ t.arrowsoutheast = 0x2198;
+ t.arrowsouthwest = 0x2199;
+ t.backslashbig = 0x2216;
+ t.backslashBig = 0x2216;
+ t.backslashBigg = 0x2216;
+ t.backslashbigg = 0x2216;
+ t.bardbl = 0x2016;
+ t.bracehtipdownleft = 0xfe37;
+ t.bracehtipdownright = 0xfe37;
+ t.bracehtipupleft = 0xfe38;
+ t.bracehtipupright = 0xfe38;
+ t.braceleftBig = 0x007b;
+ t.braceleftbig = 0x007b;
+ t.braceleftbigg = 0x007b;
+ t.braceleftBigg = 0x007b;
+ t.bracerightBig = 0x007d;
+ t.bracerightbig = 0x007d;
+ t.bracerightbigg = 0x007d;
+ t.bracerightBigg = 0x007d;
+ t.bracketleftbig = 0x005b;
+ t.bracketleftBig = 0x005b;
+ t.bracketleftbigg = 0x005b;
+ t.bracketleftBigg = 0x005b;
+ t.bracketrightBig = 0x005d;
+ t.bracketrightbig = 0x005d;
+ t.bracketrightbigg = 0x005d;
+ t.bracketrightBigg = 0x005d;
+ t.ceilingleftbig = 0x2308;
+ t.ceilingleftBig = 0x2308;
+ t.ceilingleftBigg = 0x2308;
+ t.ceilingleftbigg = 0x2308;
+ t.ceilingrightbig = 0x2309;
+ t.ceilingrightBig = 0x2309;
+ t.ceilingrightbigg = 0x2309;
+ t.ceilingrightBigg = 0x2309;
+ t.circledotdisplay = 0x2299;
+ t.circledottext = 0x2299;
+ t.circlemultiplydisplay = 0x2297;
+ t.circlemultiplytext = 0x2297;
+ t.circleplusdisplay = 0x2295;
+ t.circleplustext = 0x2295;
+ t.contintegraldisplay = 0x222e;
+ t.contintegraltext = 0x222e;
+ t.coproductdisplay = 0x2210;
+ t.coproducttext = 0x2210;
+ t.floorleftBig = 0x230a;
+ t.floorleftbig = 0x230a;
+ t.floorleftbigg = 0x230a;
+ t.floorleftBigg = 0x230a;
+ t.floorrightbig = 0x230b;
+ t.floorrightBig = 0x230b;
+ t.floorrightBigg = 0x230b;
+ t.floorrightbigg = 0x230b;
+ t.hatwide = 0x0302;
+ t.hatwider = 0x0302;
+ t.hatwidest = 0x0302;
+ t.intercal = 0x1d40;
+ t.integraldisplay = 0x222b;
+ t.integraltext = 0x222b;
+ t.intersectiondisplay = 0x22c2;
+ t.intersectiontext = 0x22c2;
+ t.logicalanddisplay = 0x2227;
+ t.logicalandtext = 0x2227;
+ t.logicalordisplay = 0x2228;
+ t.logicalortext = 0x2228;
+ t.parenleftBig = 0x0028;
+ t.parenleftbig = 0x0028;
+ t.parenleftBigg = 0x0028;
+ t.parenleftbigg = 0x0028;
+ t.parenrightBig = 0x0029;
+ t.parenrightbig = 0x0029;
+ t.parenrightBigg = 0x0029;
+ t.parenrightbigg = 0x0029;
+ t.prime = 0x2032;
+ t.productdisplay = 0x220f;
+ t.producttext = 0x220f;
+ t.radicalbig = 0x221a;
+ t.radicalBig = 0x221a;
+ t.radicalBigg = 0x221a;
+ t.radicalbigg = 0x221a;
+ t.radicalbt = 0x221a;
+ t.radicaltp = 0x221a;
+ t.radicalvertex = 0x221a;
+ t.slashbig = 0x002f;
+ t.slashBig = 0x002f;
+ t.slashBigg = 0x002f;
+ t.slashbigg = 0x002f;
+ t.summationdisplay = 0x2211;
+ t.summationtext = 0x2211;
+ t.tildewide = 0x02dc;
+ t.tildewider = 0x02dc;
+ t.tildewidest = 0x02dc;
+ t.uniondisplay = 0x22c3;
+ t.unionmultidisplay = 0x228e;
+ t.unionmultitext = 0x228e;
+ t.unionsqdisplay = 0x2294;
+ t.unionsqtext = 0x2294;
+ t.uniontext = 0x22c3;
+ t.vextenddouble = 0x2225;
+ t.vextendsingle = 0x2223;
+});
+var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {
+ t.space = 0x0020;
+ t.a1 = 0x2701;
+ t.a2 = 0x2702;
+ t.a202 = 0x2703;
+ t.a3 = 0x2704;
+ t.a4 = 0x260e;
+ t.a5 = 0x2706;
+ t.a119 = 0x2707;
+ t.a118 = 0x2708;
+ t.a117 = 0x2709;
+ t.a11 = 0x261b;
+ t.a12 = 0x261e;
+ t.a13 = 0x270c;
+ t.a14 = 0x270d;
+ t.a15 = 0x270e;
+ t.a16 = 0x270f;
+ t.a105 = 0x2710;
+ t.a17 = 0x2711;
+ t.a18 = 0x2712;
+ t.a19 = 0x2713;
+ t.a20 = 0x2714;
+ t.a21 = 0x2715;
+ t.a22 = 0x2716;
+ t.a23 = 0x2717;
+ t.a24 = 0x2718;
+ t.a25 = 0x2719;
+ t.a26 = 0x271a;
+ t.a27 = 0x271b;
+ t.a28 = 0x271c;
+ t.a6 = 0x271d;
+ t.a7 = 0x271e;
+ t.a8 = 0x271f;
+ t.a9 = 0x2720;
+ t.a10 = 0x2721;
+ t.a29 = 0x2722;
+ t.a30 = 0x2723;
+ t.a31 = 0x2724;
+ t.a32 = 0x2725;
+ t.a33 = 0x2726;
+ t.a34 = 0x2727;
+ t.a35 = 0x2605;
+ t.a36 = 0x2729;
+ t.a37 = 0x272a;
+ t.a38 = 0x272b;
+ t.a39 = 0x272c;
+ t.a40 = 0x272d;
+ t.a41 = 0x272e;
+ t.a42 = 0x272f;
+ t.a43 = 0x2730;
+ t.a44 = 0x2731;
+ t.a45 = 0x2732;
+ t.a46 = 0x2733;
+ t.a47 = 0x2734;
+ t.a48 = 0x2735;
+ t.a49 = 0x2736;
+ t.a50 = 0x2737;
+ t.a51 = 0x2738;
+ t.a52 = 0x2739;
+ t.a53 = 0x273a;
+ t.a54 = 0x273b;
+ t.a55 = 0x273c;
+ t.a56 = 0x273d;
+ t.a57 = 0x273e;
+ t.a58 = 0x273f;
+ t.a59 = 0x2740;
+ t.a60 = 0x2741;
+ t.a61 = 0x2742;
+ t.a62 = 0x2743;
+ t.a63 = 0x2744;
+ t.a64 = 0x2745;
+ t.a65 = 0x2746;
+ t.a66 = 0x2747;
+ t.a67 = 0x2748;
+ t.a68 = 0x2749;
+ t.a69 = 0x274a;
+ t.a70 = 0x274b;
+ t.a71 = 0x25cf;
+ t.a72 = 0x274d;
+ t.a73 = 0x25a0;
+ t.a74 = 0x274f;
+ t.a203 = 0x2750;
+ t.a75 = 0x2751;
+ t.a204 = 0x2752;
+ t.a76 = 0x25b2;
+ t.a77 = 0x25bc;
+ t.a78 = 0x25c6;
+ t.a79 = 0x2756;
+ t.a81 = 0x25d7;
+ t.a82 = 0x2758;
+ t.a83 = 0x2759;
+ t.a84 = 0x275a;
+ t.a97 = 0x275b;
+ t.a98 = 0x275c;
+ t.a99 = 0x275d;
+ t.a100 = 0x275e;
+ t.a101 = 0x2761;
+ t.a102 = 0x2762;
+ t.a103 = 0x2763;
+ t.a104 = 0x2764;
+ t.a106 = 0x2765;
+ t.a107 = 0x2766;
+ t.a108 = 0x2767;
+ t.a112 = 0x2663;
+ t.a111 = 0x2666;
+ t.a110 = 0x2665;
+ t.a109 = 0x2660;
+ t.a120 = 0x2460;
+ t.a121 = 0x2461;
+ t.a122 = 0x2462;
+ t.a123 = 0x2463;
+ t.a124 = 0x2464;
+ t.a125 = 0x2465;
+ t.a126 = 0x2466;
+ t.a127 = 0x2467;
+ t.a128 = 0x2468;
+ t.a129 = 0x2469;
+ t.a130 = 0x2776;
+ t.a131 = 0x2777;
+ t.a132 = 0x2778;
+ t.a133 = 0x2779;
+ t.a134 = 0x277a;
+ t.a135 = 0x277b;
+ t.a136 = 0x277c;
+ t.a137 = 0x277d;
+ t.a138 = 0x277e;
+ t.a139 = 0x277f;
+ t.a140 = 0x2780;
+ t.a141 = 0x2781;
+ t.a142 = 0x2782;
+ t.a143 = 0x2783;
+ t.a144 = 0x2784;
+ t.a145 = 0x2785;
+ t.a146 = 0x2786;
+ t.a147 = 0x2787;
+ t.a148 = 0x2788;
+ t.a149 = 0x2789;
+ t.a150 = 0x278a;
+ t.a151 = 0x278b;
+ t.a152 = 0x278c;
+ t.a153 = 0x278d;
+ t.a154 = 0x278e;
+ t.a155 = 0x278f;
+ t.a156 = 0x2790;
+ t.a157 = 0x2791;
+ t.a158 = 0x2792;
+ t.a159 = 0x2793;
+ t.a160 = 0x2794;
+ t.a161 = 0x2192;
+ t.a163 = 0x2194;
+ t.a164 = 0x2195;
+ t.a196 = 0x2798;
+ t.a165 = 0x2799;
+ t.a192 = 0x279a;
+ t.a166 = 0x279b;
+ t.a167 = 0x279c;
+ t.a168 = 0x279d;
+ t.a169 = 0x279e;
+ t.a170 = 0x279f;
+ t.a171 = 0x27a0;
+ t.a172 = 0x27a1;
+ t.a173 = 0x27a2;
+ t.a162 = 0x27a3;
+ t.a174 = 0x27a4;
+ t.a175 = 0x27a5;
+ t.a176 = 0x27a6;
+ t.a177 = 0x27a7;
+ t.a178 = 0x27a8;
+ t.a179 = 0x27a9;
+ t.a193 = 0x27aa;
+ t.a180 = 0x27ab;
+ t.a199 = 0x27ac;
+ t.a181 = 0x27ad;
+ t.a200 = 0x27ae;
+ t.a182 = 0x27af;
+ t.a201 = 0x27b1;
+ t.a183 = 0x27b2;
+ t.a184 = 0x27b3;
+ t.a197 = 0x27b4;
+ t.a185 = 0x27b5;
+ t.a194 = 0x27b6;
+ t.a198 = 0x27b7;
+ t.a186 = 0x27b8;
+ t.a195 = 0x27b9;
+ t.a187 = 0x27ba;
+ t.a188 = 0x27bb;
+ t.a189 = 0x27bc;
+ t.a190 = 0x27bd;
+ t.a191 = 0x27be;
+ t.a89 = 0x2768;
+ t.a90 = 0x2769;
+ t.a93 = 0x276a;
+ t.a94 = 0x276b;
+ t.a91 = 0x276c;
+ t.a92 = 0x276d;
+ t.a205 = 0x276e;
+ t.a85 = 0x276f;
+ t.a206 = 0x2770;
+ t.a86 = 0x2771;
+ t.a87 = 0x2772;
+ t.a88 = 0x2773;
+ t.a95 = 0x2774;
+ t.a96 = 0x2775;
+ t[".notdef"] = 0x0000;
+});
+exports.getGlyphsUnicode = getGlyphsUnicode;
+exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getSupplementalGlyphMapForCalibri = exports.getSupplementalGlyphMapForArialBlack = exports.getGlyphMapForStandardFonts = exports.getSymbolsFonts = exports.getSerifFonts = exports.getNonStdFontMap = exports.getStdFontMap = void 0;
+
+var _core_utils = __w_pdfjs_require__(8);
+
+const getStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.ArialNarrow = "Helvetica";
+  t["ArialNarrow-Bold"] = "Helvetica-Bold";
+  t["ArialNarrow-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialNarrow-Italic"] = "Helvetica-Oblique";
+  t.ArialBlack = "Helvetica";
+  t["ArialBlack-Bold"] = "Helvetica-Bold";
+  t["ArialBlack-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialBlack-Italic"] = "Helvetica-Oblique";
+  t["Arial-Black"] = "Helvetica";
+  t["Arial-Black-Bold"] = "Helvetica-Bold";
+  t["Arial-Black-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Black-Italic"] = "Helvetica-Oblique";
+  t.Arial = "Helvetica";
+  t["Arial-Bold"] = "Helvetica-Bold";
+  t["Arial-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Italic"] = "Helvetica-Oblique";
+  t["Arial-BoldItalicMT"] = "Helvetica-BoldOblique";
+  t["Arial-BoldMT"] = "Helvetica-Bold";
+  t["Arial-ItalicMT"] = "Helvetica-Oblique";
+  t.ArialMT = "Helvetica";
+  t["Courier-Bold"] = "Courier-Bold";
+  t["Courier-BoldItalic"] = "Courier-BoldOblique";
+  t["Courier-Italic"] = "Courier-Oblique";
+  t.CourierNew = "Courier";
+  t["CourierNew-Bold"] = "Courier-Bold";
+  t["CourierNew-BoldItalic"] = "Courier-BoldOblique";
+  t["CourierNew-Italic"] = "Courier-Oblique";
+  t["CourierNewPS-BoldItalicMT"] = "Courier-BoldOblique";
+  t["CourierNewPS-BoldMT"] = "Courier-Bold";
+  t["CourierNewPS-ItalicMT"] = "Courier-Oblique";
+  t.CourierNewPSMT = "Courier";
+  t.Helvetica = "Helvetica";
+  t["Helvetica-Bold"] = "Helvetica-Bold";
+  t["Helvetica-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Helvetica-BoldOblique"] = "Helvetica-BoldOblique";
+  t["Helvetica-Italic"] = "Helvetica-Oblique";
+  t["Helvetica-Oblique"] = "Helvetica-Oblique";
+  t["Symbol-Bold"] = "Symbol";
+  t["Symbol-BoldItalic"] = "Symbol";
+  t["Symbol-Italic"] = "Symbol";
+  t.TimesNewRoman = "Times-Roman";
+  t["TimesNewRoman-Bold"] = "Times-Bold";
+  t["TimesNewRoman-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRoman-Italic"] = "Times-Italic";
+  t.TimesNewRomanPS = "Times-Roman";
+  t["TimesNewRomanPS-Bold"] = "Times-Bold";
+  t["TimesNewRomanPS-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldItalicMT"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldMT"] = "Times-Bold";
+  t["TimesNewRomanPS-Italic"] = "Times-Italic";
+  t["TimesNewRomanPS-ItalicMT"] = "Times-Italic";
+  t.TimesNewRomanPSMT = "Times-Roman";
+  t["TimesNewRomanPSMT-Bold"] = "Times-Bold";
+  t["TimesNewRomanPSMT-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPSMT-Italic"] = "Times-Italic";
+});
+exports.getStdFontMap = getStdFontMap;
+const getNonStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Calibri = "Helvetica";
+  t["Calibri-Bold"] = "Helvetica-Bold";
+  t["Calibri-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Calibri-Italic"] = "Helvetica-Oblique";
+  t.CenturyGothic = "Helvetica";
+  t["CenturyGothic-Bold"] = "Helvetica-Bold";
+  t["CenturyGothic-BoldItalic"] = "Helvetica-BoldOblique";
+  t["CenturyGothic-Italic"] = "Helvetica-Oblique";
+  t.ComicSansMS = "Comic Sans MS";
+  t["ComicSansMS-Bold"] = "Comic Sans MS-Bold";
+  t["ComicSansMS-BoldItalic"] = "Comic Sans MS-BoldItalic";
+  t["ComicSansMS-Italic"] = "Comic Sans MS-Italic";
+  t.LucidaConsole = "Courier";
+  t["LucidaConsole-Bold"] = "Courier-Bold";
+  t["LucidaConsole-BoldItalic"] = "Courier-BoldOblique";
+  t["LucidaConsole-Italic"] = "Courier-Oblique";
+  t["LucidaSans-Demi"] = "Helvetica-Bold";
+  t["MS-Gothic"] = "MS Gothic";
+  t["MS-Gothic-Bold"] = "MS Gothic-Bold";
+  t["MS-Gothic-BoldItalic"] = "MS Gothic-BoldItalic";
+  t["MS-Gothic-Italic"] = "MS Gothic-Italic";
+  t["MS-Mincho"] = "MS Mincho";
+  t["MS-Mincho-Bold"] = "MS Mincho-Bold";
+  t["MS-Mincho-BoldItalic"] = "MS Mincho-BoldItalic";
+  t["MS-Mincho-Italic"] = "MS Mincho-Italic";
+  t["MS-PGothic"] = "MS PGothic";
+  t["MS-PGothic-Bold"] = "MS PGothic-Bold";
+  t["MS-PGothic-BoldItalic"] = "MS PGothic-BoldItalic";
+  t["MS-PGothic-Italic"] = "MS PGothic-Italic";
+  t["MS-PMincho"] = "MS PMincho";
+  t["MS-PMincho-Bold"] = "MS PMincho-Bold";
+  t["MS-PMincho-BoldItalic"] = "MS PMincho-BoldItalic";
+  t["MS-PMincho-Italic"] = "MS PMincho-Italic";
+  t.NuptialScript = "Times-Italic";
+  t.SegoeUISymbol = "Helvetica";
+  t.Wingdings = "ZapfDingbats";
+  t["Wingdings-Regular"] = "ZapfDingbats";
+});
+exports.getNonStdFontMap = getNonStdFontMap;
+const getSerifFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t["Adobe Jenson"] = true;
+  t["Adobe Text"] = true;
+  t.Albertus = true;
+  t.Aldus = true;
+  t.Alexandria = true;
+  t.Algerian = true;
+  t["American Typewriter"] = true;
+  t.Antiqua = true;
+  t.Apex = true;
+  t.Arno = true;
+  t.Aster = true;
+  t.Aurora = true;
+  t.Baskerville = true;
+  t.Bell = true;
+  t.Bembo = true;
+  t["Bembo Schoolbook"] = true;
+  t.Benguiat = true;
+  t["Berkeley Old Style"] = true;
+  t["Bernhard Modern"] = true;
+  t["Berthold City"] = true;
+  t.Bodoni = true;
+  t["Bauer Bodoni"] = true;
+  t["Book Antiqua"] = true;
+  t.Bookman = true;
+  t["Bordeaux Roman"] = true;
+  t["Californian FB"] = true;
+  t.Calisto = true;
+  t.Calvert = true;
+  t.Capitals = true;
+  t.Cambria = true;
+  t.Cartier = true;
+  t.Caslon = true;
+  t.Catull = true;
+  t.Centaur = true;
+  t["Century Old Style"] = true;
+  t["Century Schoolbook"] = true;
+  t.Chaparral = true;
+  t["Charis SIL"] = true;
+  t.Cheltenham = true;
+  t["Cholla Slab"] = true;
+  t.Clarendon = true;
+  t.Clearface = true;
+  t.Cochin = true;
+  t.Colonna = true;
+  t["Computer Modern"] = true;
+  t["Concrete Roman"] = true;
+  t.Constantia = true;
+  t["Cooper Black"] = true;
+  t.Corona = true;
+  t.Ecotype = true;
+  t.Egyptienne = true;
+  t.Elephant = true;
+  t.Excelsior = true;
+  t.Fairfield = true;
+  t["FF Scala"] = true;
+  t.Folkard = true;
+  t.Footlight = true;
+  t.FreeSerif = true;
+  t["Friz Quadrata"] = true;
+  t.Garamond = true;
+  t.Gentium = true;
+  t.Georgia = true;
+  t.Gloucester = true;
+  t["Goudy Old Style"] = true;
+  t["Goudy Schoolbook"] = true;
+  t["Goudy Pro Font"] = true;
+  t.Granjon = true;
+  t["Guardian Egyptian"] = true;
+  t.Heather = true;
+  t.Hercules = true;
+  t["High Tower Text"] = true;
+  t.Hiroshige = true;
+  t["Hoefler Text"] = true;
+  t["Humana Serif"] = true;
+  t.Imprint = true;
+  t["Ionic No. 5"] = true;
+  t.Janson = true;
+  t.Joanna = true;
+  t.Korinna = true;
+  t.Lexicon = true;
+  t["Liberation Serif"] = true;
+  t["Linux Libertine"] = true;
+  t.Literaturnaya = true;
+  t.Lucida = true;
+  t["Lucida Bright"] = true;
+  t.Melior = true;
+  t.Memphis = true;
+  t.Miller = true;
+  t.Minion = true;
+  t.Modern = true;
+  t["Mona Lisa"] = true;
+  t["Mrs Eaves"] = true;
+  t["MS Serif"] = true;
+  t["Museo Slab"] = true;
+  t["New York"] = true;
+  t["Nimbus Roman"] = true;
+  t["NPS Rawlinson Roadway"] = true;
+  t.NuptialScript = true;
+  t.Palatino = true;
+  t.Perpetua = true;
+  t.Plantin = true;
+  t["Plantin Schoolbook"] = true;
+  t.Playbill = true;
+  t["Poor Richard"] = true;
+  t["Rawlinson Roadway"] = true;
+  t.Renault = true;
+  t.Requiem = true;
+  t.Rockwell = true;
+  t.Roman = true;
+  t["Rotis Serif"] = true;
+  t.Sabon = true;
+  t.Scala = true;
+  t.Seagull = true;
+  t.Sistina = true;
+  t.Souvenir = true;
+  t.STIX = true;
+  t["Stone Informal"] = true;
+  t["Stone Serif"] = true;
+  t.Sylfaen = true;
+  t.Times = true;
+  t.Trajan = true;
+  t["Trinité"] = true;
+  t["Trump Mediaeval"] = true;
+  t.Utopia = true;
+  t["Vale Type"] = true;
+  t["Bitstream Vera"] = true;
+  t["Vera Serif"] = true;
+  t.Versailles = true;
+  t.Wanted = true;
+  t.Weiss = true;
+  t["Wide Latin"] = true;
+  t.Windsor = true;
+  t.XITS = true;
+});
+exports.getSerifFonts = getSerifFonts;
+const getSymbolsFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Dingbats = true;
+  t.Symbol = true;
+  t.ZapfDingbats = true;
+});
+exports.getSymbolsFonts = getSymbolsFonts;
+const getGlyphMapForStandardFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[2] = 10;
+  t[3] = 32;
+  t[4] = 33;
+  t[5] = 34;
+  t[6] = 35;
+  t[7] = 36;
+  t[8] = 37;
+  t[9] = 38;
+  t[10] = 39;
+  t[11] = 40;
+  t[12] = 41;
+  t[13] = 42;
+  t[14] = 43;
+  t[15] = 44;
+  t[16] = 45;
+  t[17] = 46;
+  t[18] = 47;
+  t[19] = 48;
+  t[20] = 49;
+  t[21] = 50;
+  t[22] = 51;
+  t[23] = 52;
+  t[24] = 53;
+  t[25] = 54;
+  t[26] = 55;
+  t[27] = 56;
+  t[28] = 57;
+  t[29] = 58;
+  t[30] = 894;
+  t[31] = 60;
+  t[32] = 61;
+  t[33] = 62;
+  t[34] = 63;
+  t[35] = 64;
+  t[36] = 65;
+  t[37] = 66;
+  t[38] = 67;
+  t[39] = 68;
+  t[40] = 69;
+  t[41] = 70;
+  t[42] = 71;
+  t[43] = 72;
+  t[44] = 73;
+  t[45] = 74;
+  t[46] = 75;
+  t[47] = 76;
+  t[48] = 77;
+  t[49] = 78;
+  t[50] = 79;
+  t[51] = 80;
+  t[52] = 81;
+  t[53] = 82;
+  t[54] = 83;
+  t[55] = 84;
+  t[56] = 85;
+  t[57] = 86;
+  t[58] = 87;
+  t[59] = 88;
+  t[60] = 89;
+  t[61] = 90;
+  t[62] = 91;
+  t[63] = 92;
+  t[64] = 93;
+  t[65] = 94;
+  t[66] = 95;
+  t[67] = 96;
+  t[68] = 97;
+  t[69] = 98;
+  t[70] = 99;
+  t[71] = 100;
+  t[72] = 101;
+  t[73] = 102;
+  t[74] = 103;
+  t[75] = 104;
+  t[76] = 105;
+  t[77] = 106;
+  t[78] = 107;
+  t[79] = 108;
+  t[80] = 109;
+  t[81] = 110;
+  t[82] = 111;
+  t[83] = 112;
+  t[84] = 113;
+  t[85] = 114;
+  t[86] = 115;
+  t[87] = 116;
+  t[88] = 117;
+  t[89] = 118;
+  t[90] = 119;
+  t[91] = 120;
+  t[92] = 121;
+  t[93] = 122;
+  t[94] = 123;
+  t[95] = 124;
+  t[96] = 125;
+  t[97] = 126;
+  t[98] = 196;
+  t[99] = 197;
+  t[100] = 199;
+  t[101] = 201;
+  t[102] = 209;
+  t[103] = 214;
+  t[104] = 220;
+  t[105] = 225;
+  t[106] = 224;
+  t[107] = 226;
+  t[108] = 228;
+  t[109] = 227;
+  t[110] = 229;
+  t[111] = 231;
+  t[112] = 233;
+  t[113] = 232;
+  t[114] = 234;
+  t[115] = 235;
+  t[116] = 237;
+  t[117] = 236;
+  t[118] = 238;
+  t[119] = 239;
+  t[120] = 241;
+  t[121] = 243;
+  t[122] = 242;
+  t[123] = 244;
+  t[124] = 246;
+  t[125] = 245;
+  t[126] = 250;
+  t[127] = 249;
+  t[128] = 251;
+  t[129] = 252;
+  t[130] = 8224;
+  t[131] = 176;
+  t[132] = 162;
+  t[133] = 163;
+  t[134] = 167;
+  t[135] = 8226;
+  t[136] = 182;
+  t[137] = 223;
+  t[138] = 174;
+  t[139] = 169;
+  t[140] = 8482;
+  t[141] = 180;
+  t[142] = 168;
+  t[143] = 8800;
+  t[144] = 198;
+  t[145] = 216;
+  t[146] = 8734;
+  t[147] = 177;
+  t[148] = 8804;
+  t[149] = 8805;
+  t[150] = 165;
+  t[151] = 181;
+  t[152] = 8706;
+  t[153] = 8721;
+  t[154] = 8719;
+  t[156] = 8747;
+  t[157] = 170;
+  t[158] = 186;
+  t[159] = 8486;
+  t[160] = 230;
+  t[161] = 248;
+  t[162] = 191;
+  t[163] = 161;
+  t[164] = 172;
+  t[165] = 8730;
+  t[166] = 402;
+  t[167] = 8776;
+  t[168] = 8710;
+  t[169] = 171;
+  t[170] = 187;
+  t[171] = 8230;
+  t[210] = 218;
+  t[223] = 711;
+  t[224] = 321;
+  t[225] = 322;
+  t[227] = 353;
+  t[229] = 382;
+  t[234] = 253;
+  t[252] = 263;
+  t[253] = 268;
+  t[254] = 269;
+  t[258] = 258;
+  t[260] = 260;
+  t[261] = 261;
+  t[265] = 280;
+  t[266] = 281;
+  t[268] = 283;
+  t[269] = 313;
+  t[275] = 323;
+  t[276] = 324;
+  t[278] = 328;
+  t[284] = 345;
+  t[285] = 346;
+  t[286] = 347;
+  t[292] = 367;
+  t[295] = 377;
+  t[296] = 378;
+  t[298] = 380;
+  t[305] = 963;
+  t[306] = 964;
+  t[307] = 966;
+  t[308] = 8215;
+  t[309] = 8252;
+  t[310] = 8319;
+  t[311] = 8359;
+  t[312] = 8592;
+  t[313] = 8593;
+  t[337] = 9552;
+  t[493] = 1039;
+  t[494] = 1040;
+  t[705] = 1524;
+  t[706] = 8362;
+  t[710] = 64288;
+  t[711] = 64298;
+  t[759] = 1617;
+  t[761] = 1776;
+  t[763] = 1778;
+  t[775] = 1652;
+  t[777] = 1764;
+  t[778] = 1780;
+  t[779] = 1781;
+  t[780] = 1782;
+  t[782] = 771;
+  t[783] = 64726;
+  t[786] = 8363;
+  t[788] = 8532;
+  t[790] = 768;
+  t[791] = 769;
+  t[792] = 768;
+  t[795] = 803;
+  t[797] = 64336;
+  t[798] = 64337;
+  t[799] = 64342;
+  t[800] = 64343;
+  t[801] = 64344;
+  t[802] = 64345;
+  t[803] = 64362;
+  t[804] = 64363;
+  t[805] = 64364;
+  t[2424] = 7821;
+  t[2425] = 7822;
+  t[2426] = 7823;
+  t[2427] = 7824;
+  t[2428] = 7825;
+  t[2429] = 7826;
+  t[2430] = 7827;
+  t[2433] = 7682;
+  t[2678] = 8045;
+  t[2679] = 8046;
+  t[2830] = 1552;
+  t[2838] = 686;
+  t[2840] = 751;
+  t[2842] = 753;
+  t[2843] = 754;
+  t[2844] = 755;
+  t[2846] = 757;
+  t[2856] = 767;
+  t[2857] = 848;
+  t[2858] = 849;
+  t[2862] = 853;
+  t[2863] = 854;
+  t[2864] = 855;
+  t[2865] = 861;
+  t[2866] = 862;
+  t[2906] = 7460;
+  t[2908] = 7462;
+  t[2909] = 7463;
+  t[2910] = 7464;
+  t[2912] = 7466;
+  t[2913] = 7467;
+  t[2914] = 7468;
+  t[2916] = 7470;
+  t[2917] = 7471;
+  t[2918] = 7472;
+  t[2920] = 7474;
+  t[2921] = 7475;
+  t[2922] = 7476;
+  t[2924] = 7478;
+  t[2925] = 7479;
+  t[2926] = 7480;
+  t[2928] = 7482;
+  t[2929] = 7483;
+  t[2930] = 7484;
+  t[2932] = 7486;
+  t[2933] = 7487;
+  t[2934] = 7488;
+  t[2936] = 7490;
+  t[2937] = 7491;
+  t[2938] = 7492;
+  t[2940] = 7494;
+  t[2941] = 7495;
+  t[2942] = 7496;
+  t[2944] = 7498;
+  t[2946] = 7500;
+  t[2948] = 7502;
+  t[2950] = 7504;
+  t[2951] = 7505;
+  t[2952] = 7506;
+  t[2954] = 7508;
+  t[2955] = 7509;
+  t[2956] = 7510;
+  t[2958] = 7512;
+  t[2959] = 7513;
+  t[2960] = 7514;
+  t[2962] = 7516;
+  t[2963] = 7517;
+  t[2964] = 7518;
+  t[2966] = 7520;
+  t[2967] = 7521;
+  t[2968] = 7522;
+  t[2970] = 7524;
+  t[2971] = 7525;
+  t[2972] = 7526;
+  t[2974] = 7528;
+  t[2975] = 7529;
+  t[2976] = 7530;
+  t[2978] = 1537;
+  t[2979] = 1538;
+  t[2980] = 1539;
+  t[2982] = 1549;
+  t[2983] = 1551;
+  t[2984] = 1552;
+  t[2986] = 1554;
+  t[2987] = 1555;
+  t[2988] = 1556;
+  t[2990] = 1623;
+  t[2991] = 1624;
+  t[2995] = 1775;
+  t[2999] = 1791;
+  t[3002] = 64290;
+  t[3003] = 64291;
+  t[3004] = 64292;
+  t[3006] = 64294;
+  t[3007] = 64295;
+  t[3008] = 64296;
+  t[3011] = 1900;
+  t[3014] = 8223;
+  t[3015] = 8244;
+  t[3017] = 7532;
+  t[3018] = 7533;
+  t[3019] = 7534;
+  t[3075] = 7590;
+  t[3076] = 7591;
+  t[3079] = 7594;
+  t[3080] = 7595;
+  t[3083] = 7598;
+  t[3084] = 7599;
+  t[3087] = 7602;
+  t[3088] = 7603;
+  t[3091] = 7606;
+  t[3092] = 7607;
+  t[3095] = 7610;
+  t[3096] = 7611;
+  t[3099] = 7614;
+  t[3100] = 7615;
+  t[3103] = 7618;
+  t[3104] = 7619;
+  t[3107] = 8337;
+  t[3108] = 8338;
+  t[3116] = 1884;
+  t[3119] = 1885;
+  t[3120] = 1885;
+  t[3123] = 1886;
+  t[3124] = 1886;
+  t[3127] = 1887;
+  t[3128] = 1887;
+  t[3131] = 1888;
+  t[3132] = 1888;
+  t[3135] = 1889;
+  t[3136] = 1889;
+  t[3139] = 1890;
+  t[3140] = 1890;
+  t[3143] = 1891;
+  t[3144] = 1891;
+  t[3147] = 1892;
+  t[3148] = 1892;
+  t[3153] = 580;
+  t[3154] = 581;
+  t[3157] = 584;
+  t[3158] = 585;
+  t[3161] = 588;
+  t[3162] = 589;
+  t[3165] = 891;
+  t[3166] = 892;
+  t[3169] = 1274;
+  t[3170] = 1275;
+  t[3173] = 1278;
+  t[3174] = 1279;
+  t[3181] = 7622;
+  t[3182] = 7623;
+  t[3282] = 11799;
+  t[3316] = 578;
+  t[3379] = 42785;
+  t[3393] = 1159;
+  t[3416] = 8377;
+});
+exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts;
+const getSupplementalGlyphMapForArialBlack = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[227] = 322;
+  t[264] = 261;
+  t[291] = 346;
+});
+exports.getSupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack;
+const getSupplementalGlyphMapForCalibri = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[1] = 32;
+  t[4] = 65;
+  t[17] = 66;
+  t[18] = 67;
+  t[24] = 68;
+  t[28] = 69;
+  t[38] = 70;
+  t[39] = 71;
+  t[44] = 72;
+  t[47] = 73;
+  t[58] = 74;
+  t[60] = 75;
+  t[62] = 76;
+  t[68] = 77;
+  t[69] = 78;
+  t[75] = 79;
+  t[87] = 80;
+  t[89] = 81;
+  t[90] = 82;
+  t[94] = 83;
+  t[100] = 84;
+  t[104] = 85;
+  t[115] = 86;
+  t[116] = 87;
+  t[121] = 88;
+  t[122] = 89;
+  t[127] = 90;
+  t[258] = 97;
+  t[268] = 261;
+  t[271] = 98;
+  t[272] = 99;
+  t[273] = 263;
+  t[282] = 100;
+  t[286] = 101;
+  t[295] = 281;
+  t[296] = 102;
+  t[336] = 103;
+  t[346] = 104;
+  t[349] = 105;
+  t[361] = 106;
+  t[364] = 107;
+  t[367] = 108;
+  t[371] = 322;
+  t[373] = 109;
+  t[374] = 110;
+  t[381] = 111;
+  t[383] = 243;
+  t[393] = 112;
+  t[395] = 113;
+  t[396] = 114;
+  t[400] = 115;
+  t[401] = 347;
+  t[410] = 116;
+  t[437] = 117;
+  t[448] = 118;
+  t[449] = 119;
+  t[454] = 120;
+  t[455] = 121;
+  t[460] = 122;
+  t[463] = 380;
+  t[853] = 44;
+  t[855] = 58;
+  t[856] = 46;
+  t[876] = 47;
+  t[878] = 45;
+  t[882] = 45;
+  t[894] = 40;
+  t[895] = 41;
+  t[896] = 91;
+  t[897] = 93;
+  t[923] = 64;
+  t[1004] = 48;
+  t[1005] = 49;
+  t[1006] = 50;
+  t[1007] = 51;
+  t[1008] = 52;
+  t[1009] = 53;
+  t[1010] = 54;
+  t[1011] = 55;
+  t[1012] = 56;
+  t[1013] = 57;
+  t[1081] = 37;
+  t[1085] = 43;
+  t[1086] = 45;
+});
+exports.getSupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri;
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getLookupTableFactory = __w_pdfjs_require__(8).getLookupTableFactory;
+var getSpecialPUASymbols = getLookupTableFactory(function (t) {
+ t[63721] = 0x00a9;
+ t[63193] = 0x00a9;
+ t[63720] = 0x00ae;
+ t[63194] = 0x00ae;
+ t[63722] = 0x2122;
+ t[63195] = 0x2122;
+ t[63729] = 0x23a7;
+ t[63730] = 0x23a8;
+ t[63731] = 0x23a9;
+ t[63740] = 0x23ab;
+ t[63741] = 0x23ac;
+ t[63742] = 0x23ad;
+ t[63726] = 0x23a1;
+ t[63727] = 0x23a2;
+ t[63728] = 0x23a3;
+ t[63737] = 0x23a4;
+ t[63738] = 0x23a5;
+ t[63739] = 0x23a6;
+ t[63723] = 0x239b;
+ t[63724] = 0x239c;
+ t[63725] = 0x239d;
+ t[63734] = 0x239e;
+ t[63735] = 0x239f;
+ t[63736] = 0x23a0;
+});
+function mapSpecialUnicodeValues(code) {
+ if (code >= 0xfff0 && code <= 0xffff) {
+  return 0;
+ } else if (code >= 0xf600 && code <= 0xf8ff) {
+  return getSpecialPUASymbols()[code] || code;
+ } else if (code === 0x00ad) {
+  return 0x002d;
+ }
+ return code;
+}
+function getUnicodeForGlyph(name, glyphsUnicodeMap) {
+ var unicode = glyphsUnicodeMap[name];
+ if (unicode !== undefined) {
+  return unicode;
+ }
+ if (!name) {
+  return -1;
+ }
+ if (name[0] === "u") {
+  var nameLen = name.length, hexStr;
+  if (nameLen === 7 && name[1] === "n" && name[2] === "i") {
+   hexStr = name.substring(3);
+  } else if (nameLen >= 5 && nameLen <= 7) {
+   hexStr = name.substring(1);
+  } else {
+   return -1;
+  }
+  if (hexStr === hexStr.toUpperCase()) {
+   unicode = parseInt(hexStr, 16);
+   if (unicode >= 0) {
+    return unicode;
+   }
+  }
+ }
+ return -1;
+}
+var UnicodeRanges = [
+ {
+  begin: 0x0000,
+  end: 0x007f
+ },
+ {
+  begin: 0x0080,
+  end: 0x00ff
+ },
+ {
+  begin: 0x0100,
+  end: 0x017f
+ },
+ {
+  begin: 0x0180,
+  end: 0x024f
+ },
+ {
+  begin: 0x0250,
+  end: 0x02af
+ },
+ {
+  begin: 0x02b0,
+  end: 0x02ff
+ },
+ {
+  begin: 0x0300,
+  end: 0x036f
+ },
+ {
+  begin: 0x0370,
+  end: 0x03ff
+ },
+ {
+  begin: 0x2c80,
+  end: 0x2cff
+ },
+ {
+  begin: 0x0400,
+  end: 0x04ff
+ },
+ {
+  begin: 0x0530,
+  end: 0x058f
+ },
+ {
+  begin: 0x0590,
+  end: 0x05ff
+ },
+ {
+  begin: 0xa500,
+  end: 0xa63f
+ },
+ {
+  begin: 0x0600,
+  end: 0x06ff
+ },
+ {
+  begin: 0x07c0,
+  end: 0x07ff
+ },
+ {
+  begin: 0x0900,
+  end: 0x097f
+ },
+ {
+  begin: 0x0980,
+  end: 0x09ff
+ },
+ {
+  begin: 0x0a00,
+  end: 0x0a7f
+ },
+ {
+  begin: 0x0a80,
+  end: 0x0aff
+ },
+ {
+  begin: 0x0b00,
+  end: 0x0b7f
+ },
+ {
+  begin: 0x0b80,
+  end: 0x0bff
+ },
+ {
+  begin: 0x0c00,
+  end: 0x0c7f
+ },
+ {
+  begin: 0x0c80,
+  end: 0x0cff
+ },
+ {
+  begin: 0x0d00,
+  end: 0x0d7f
+ },
+ {
+  begin: 0x0e00,
+  end: 0x0e7f
+ },
+ {
+  begin: 0x0e80,
+  end: 0x0eff
+ },
+ {
+  begin: 0x10a0,
+  end: 0x10ff
+ },
+ {
+  begin: 0x1b00,
+  end: 0x1b7f
+ },
+ {
+  begin: 0x1100,
+  end: 0x11ff
+ },
+ {
+  begin: 0x1e00,
+  end: 0x1eff
+ },
+ {
+  begin: 0x1f00,
+  end: 0x1fff
+ },
+ {
+  begin: 0x2000,
+  end: 0x206f
+ },
+ {
+  begin: 0x2070,
+  end: 0x209f
+ },
+ {
+  begin: 0x20a0,
+  end: 0x20cf
+ },
+ {
+  begin: 0x20d0,
+  end: 0x20ff
+ },
+ {
+  begin: 0x2100,
+  end: 0x214f
+ },
+ {
+  begin: 0x2150,
+  end: 0x218f
+ },
+ {
+  begin: 0x2190,
+  end: 0x21ff
+ },
+ {
+  begin: 0x2200,
+  end: 0x22ff
+ },
+ {
+  begin: 0x2300,
+  end: 0x23ff
+ },
+ {
+  begin: 0x2400,
+  end: 0x243f
+ },
+ {
+  begin: 0x2440,
+  end: 0x245f
+ },
+ {
+  begin: 0x2460,
+  end: 0x24ff
+ },
+ {
+  begin: 0x2500,
+  end: 0x257f
+ },
+ {
+  begin: 0x2580,
+  end: 0x259f
+ },
+ {
+  begin: 0x25a0,
+  end: 0x25ff
+ },
+ {
+  begin: 0x2600,
+  end: 0x26ff
+ },
+ {
+  begin: 0x2700,
+  end: 0x27bf
+ },
+ {
+  begin: 0x3000,
+  end: 0x303f
+ },
+ {
+  begin: 0x3040,
+  end: 0x309f
+ },
+ {
+  begin: 0x30a0,
+  end: 0x30ff
+ },
+ {
+  begin: 0x3100,
+  end: 0x312f
+ },
+ {
+  begin: 0x3130,
+  end: 0x318f
+ },
+ {
+  begin: 0xa840,
+  end: 0xa87f
+ },
+ {
+  begin: 0x3200,
+  end: 0x32ff
+ },
+ {
+  begin: 0x3300,
+  end: 0x33ff
+ },
+ {
+  begin: 0xac00,
+  end: 0xd7af
+ },
+ {
+  begin: 0xd800,
+  end: 0xdfff
+ },
+ {
+  begin: 0x10900,
+  end: 0x1091f
+ },
+ {
+  begin: 0x4e00,
+  end: 0x9fff
+ },
+ {
+  begin: 0xe000,
+  end: 0xf8ff
+ },
+ {
+  begin: 0x31c0,
+  end: 0x31ef
+ },
+ {
+  begin: 0xfb00,
+  end: 0xfb4f
+ },
+ {
+  begin: 0xfb50,
+  end: 0xfdff
+ },
+ {
+  begin: 0xfe20,
+  end: 0xfe2f
+ },
+ {
+  begin: 0xfe10,
+  end: 0xfe1f
+ },
+ {
+  begin: 0xfe50,
+  end: 0xfe6f
+ },
+ {
+  begin: 0xfe70,
+  end: 0xfeff
+ },
+ {
+  begin: 0xff00,
+  end: 0xffef
+ },
+ {
+  begin: 0xfff0,
+  end: 0xffff
+ },
+ {
+  begin: 0x0f00,
+  end: 0x0fff
+ },
+ {
+  begin: 0x0700,
+  end: 0x074f
+ },
+ {
+  begin: 0x0780,
+  end: 0x07bf
+ },
+ {
+  begin: 0x0d80,
+  end: 0x0dff
+ },
+ {
+  begin: 0x1000,
+  end: 0x109f
+ },
+ {
+  begin: 0x1200,
+  end: 0x137f
+ },
+ {
+  begin: 0x13a0,
+  end: 0x13ff
+ },
+ {
+  begin: 0x1400,
+  end: 0x167f
+ },
+ {
+  begin: 0x1680,
+  end: 0x169f
+ },
+ {
+  begin: 0x16a0,
+  end: 0x16ff
+ },
+ {
+  begin: 0x1780,
+  end: 0x17ff
+ },
+ {
+  begin: 0x1800,
+  end: 0x18af
+ },
+ {
+  begin: 0x2800,
+  end: 0x28ff
+ },
+ {
+  begin: 0xa000,
+  end: 0xa48f
+ },
+ {
+  begin: 0x1700,
+  end: 0x171f
+ },
+ {
+  begin: 0x10300,
+  end: 0x1032f
+ },
+ {
+  begin: 0x10330,
+  end: 0x1034f
+ },
+ {
+  begin: 0x10400,
+  end: 0x1044f
+ },
+ {
+  begin: 0x1d000,
+  end: 0x1d0ff
+ },
+ {
+  begin: 0x1d400,
+  end: 0x1d7ff
+ },
+ {
+  begin: 0xff000,
+  end: 0xffffd
+ },
+ {
+  begin: 0xfe00,
+  end: 0xfe0f
+ },
+ {
+  begin: 0xe0000,
+  end: 0xe007f
+ },
+ {
+  begin: 0x1900,
+  end: 0x194f
+ },
+ {
+  begin: 0x1950,
+  end: 0x197f
+ },
+ {
+  begin: 0x1980,
+  end: 0x19df
+ },
+ {
+  begin: 0x1a00,
+  end: 0x1a1f
+ },
+ {
+  begin: 0x2c00,
+  end: 0x2c5f
+ },
+ {
+  begin: 0x2d30,
+  end: 0x2d7f
+ },
+ {
+  begin: 0x4dc0,
+  end: 0x4dff
+ },
+ {
+  begin: 0xa800,
+  end: 0xa82f
+ },
+ {
+  begin: 0x10000,
+  end: 0x1007f
+ },
+ {
+  begin: 0x10140,
+  end: 0x1018f
+ },
+ {
+  begin: 0x10380,
+  end: 0x1039f
+ },
+ {
+  begin: 0x103a0,
+  end: 0x103df
+ },
+ {
+  begin: 0x10450,
+  end: 0x1047f
+ },
+ {
+  begin: 0x10480,
+  end: 0x104af
+ },
+ {
+  begin: 0x10800,
+  end: 0x1083f
+ },
+ {
+  begin: 0x10a00,
+  end: 0x10a5f
+ },
+ {
+  begin: 0x1d300,
+  end: 0x1d35f
+ },
+ {
+  begin: 0x12000,
+  end: 0x123ff
+ },
+ {
+  begin: 0x1d360,
+  end: 0x1d37f
+ },
+ {
+  begin: 0x1b80,
+  end: 0x1bbf
+ },
+ {
+  begin: 0x1c00,
+  end: 0x1c4f
+ },
+ {
+  begin: 0x1c50,
+  end: 0x1c7f
+ },
+ {
+  begin: 0xa880,
+  end: 0xa8df
+ },
+ {
+  begin: 0xa900,
+  end: 0xa92f
+ },
+ {
+  begin: 0xa930,
+  end: 0xa95f
+ },
+ {
+  begin: 0xaa00,
+  end: 0xaa5f
+ },
+ {
+  begin: 0x10190,
+  end: 0x101cf
+ },
+ {
+  begin: 0x101d0,
+  end: 0x101ff
+ },
+ {
+  begin: 0x102a0,
+  end: 0x102df
+ },
+ {
+  begin: 0x1f030,
+  end: 0x1f09f
+ }
+];
+function getUnicodeRangeFor(value) {
+ for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {
+  var range = UnicodeRanges[i];
+  if (value >= range.begin && value < range.end) {
+   return i;
+  }
+ }
+ return -1;
+}
+function isRTLRangeFor(value) {
+ var range = UnicodeRanges[13];
+ if (value >= range.begin && value < range.end) {
+  return true;
+ }
+ range = UnicodeRanges[11];
+ if (value >= range.begin && value < range.end) {
+  return true;
+ }
+ return false;
+}
+var getNormalizedUnicodes = getLookupTableFactory(function (t) {
+ t["\u00A8"] = "\u0020\u0308";
+ t["\u00AF"] = "\u0020\u0304";
+ t["\u00B4"] = "\u0020\u0301";
+ t["\u00B5"] = "\u03BC";
+ t["\u00B8"] = "\u0020\u0327";
+ t["\u0132"] = "\u0049\u004A";
+ t["\u0133"] = "\u0069\u006A";
+ t["\u013F"] = "\u004C\u00B7";
+ t["\u0140"] = "\u006C\u00B7";
+ t["\u0149"] = "\u02BC\u006E";
+ t["\u017F"] = "\u0073";
+ t["\u01C4"] = "\u0044\u017D";
+ t["\u01C5"] = "\u0044\u017E";
+ t["\u01C6"] = "\u0064\u017E";
+ t["\u01C7"] = "\u004C\u004A";
+ t["\u01C8"] = "\u004C\u006A";
+ t["\u01C9"] = "\u006C\u006A";
+ t["\u01CA"] = "\u004E\u004A";
+ t["\u01CB"] = "\u004E\u006A";
+ t["\u01CC"] = "\u006E\u006A";
+ t["\u01F1"] = "\u0044\u005A";
+ t["\u01F2"] = "\u0044\u007A";
+ t["\u01F3"] = "\u0064\u007A";
+ t["\u02D8"] = "\u0020\u0306";
+ t["\u02D9"] = "\u0020\u0307";
+ t["\u02DA"] = "\u0020\u030A";
+ t["\u02DB"] = "\u0020\u0328";
+ t["\u02DC"] = "\u0020\u0303";
+ t["\u02DD"] = "\u0020\u030B";
+ t["\u037A"] = "\u0020\u0345";
+ t["\u0384"] = "\u0020\u0301";
+ t["\u03D0"] = "\u03B2";
+ t["\u03D1"] = "\u03B8";
+ t["\u03D2"] = "\u03A5";
+ t["\u03D5"] = "\u03C6";
+ t["\u03D6"] = "\u03C0";
+ t["\u03F0"] = "\u03BA";
+ t["\u03F1"] = "\u03C1";
+ t["\u03F2"] = "\u03C2";
+ t["\u03F4"] = "\u0398";
+ t["\u03F5"] = "\u03B5";
+ t["\u03F9"] = "\u03A3";
+ t["\u0587"] = "\u0565\u0582";
+ t["\u0675"] = "\u0627\u0674";
+ t["\u0676"] = "\u0648\u0674";
+ t["\u0677"] = "\u06C7\u0674";
+ t["\u0678"] = "\u064A\u0674";
+ t["\u0E33"] = "\u0E4D\u0E32";
+ t["\u0EB3"] = "\u0ECD\u0EB2";
+ t["\u0EDC"] = "\u0EAB\u0E99";
+ t["\u0EDD"] = "\u0EAB\u0EA1";
+ t["\u0F77"] = "\u0FB2\u0F81";
+ t["\u0F79"] = "\u0FB3\u0F81";
+ t["\u1E9A"] = "\u0061\u02BE";
+ t["\u1FBD"] = "\u0020\u0313";
+ t["\u1FBF"] = "\u0020\u0313";
+ t["\u1FC0"] = "\u0020\u0342";
+ t["\u1FFE"] = "\u0020\u0314";
+ t["\u2002"] = "\u0020";
+ t["\u2003"] = "\u0020";
+ t["\u2004"] = "\u0020";
+ t["\u2005"] = "\u0020";
+ t["\u2006"] = "\u0020";
+ t["\u2008"] = "\u0020";
+ t["\u2009"] = "\u0020";
+ t["\u200A"] = "\u0020";
+ t["\u2017"] = "\u0020\u0333";
+ t["\u2024"] = "\u002E";
+ t["\u2025"] = "\u002E\u002E";
+ t["\u2026"] = "\u002E\u002E\u002E";
+ t["\u2033"] = "\u2032\u2032";
+ t["\u2034"] = "\u2032\u2032\u2032";
+ t["\u2036"] = "\u2035\u2035";
+ t["\u2037"] = "\u2035\u2035\u2035";
+ t["\u203C"] = "\u0021\u0021";
+ t["\u203E"] = "\u0020\u0305";
+ t["\u2047"] = "\u003F\u003F";
+ t["\u2048"] = "\u003F\u0021";
+ t["\u2049"] = "\u0021\u003F";
+ t["\u2057"] = "\u2032\u2032\u2032\u2032";
+ t["\u205F"] = "\u0020";
+ t["\u20A8"] = "\u0052\u0073";
+ t["\u2100"] = "\u0061\u002F\u0063";
+ t["\u2101"] = "\u0061\u002F\u0073";
+ t["\u2103"] = "\u00B0\u0043";
+ t["\u2105"] = "\u0063\u002F\u006F";
+ t["\u2106"] = "\u0063\u002F\u0075";
+ t["\u2107"] = "\u0190";
+ t["\u2109"] = "\u00B0\u0046";
+ t["\u2116"] = "\u004E\u006F";
+ t["\u2121"] = "\u0054\u0045\u004C";
+ t["\u2135"] = "\u05D0";
+ t["\u2136"] = "\u05D1";
+ t["\u2137"] = "\u05D2";
+ t["\u2138"] = "\u05D3";
+ t["\u213B"] = "\u0046\u0041\u0058";
+ t["\u2160"] = "\u0049";
+ t["\u2161"] = "\u0049\u0049";
+ t["\u2162"] = "\u0049\u0049\u0049";
+ t["\u2163"] = "\u0049\u0056";
+ t["\u2164"] = "\u0056";
+ t["\u2165"] = "\u0056\u0049";
+ t["\u2166"] = "\u0056\u0049\u0049";
+ t["\u2167"] = "\u0056\u0049\u0049\u0049";
+ t["\u2168"] = "\u0049\u0058";
+ t["\u2169"] = "\u0058";
+ t["\u216A"] = "\u0058\u0049";
+ t["\u216B"] = "\u0058\u0049\u0049";
+ t["\u216C"] = "\u004C";
+ t["\u216D"] = "\u0043";
+ t["\u216E"] = "\u0044";
+ t["\u216F"] = "\u004D";
+ t["\u2170"] = "\u0069";
+ t["\u2171"] = "\u0069\u0069";
+ t["\u2172"] = "\u0069\u0069\u0069";
+ t["\u2173"] = "\u0069\u0076";
+ t["\u2174"] = "\u0076";
+ t["\u2175"] = "\u0076\u0069";
+ t["\u2176"] = "\u0076\u0069\u0069";
+ t["\u2177"] = "\u0076\u0069\u0069\u0069";
+ t["\u2178"] = "\u0069\u0078";
+ t["\u2179"] = "\u0078";
+ t["\u217A"] = "\u0078\u0069";
+ t["\u217B"] = "\u0078\u0069\u0069";
+ t["\u217C"] = "\u006C";
+ t["\u217D"] = "\u0063";
+ t["\u217E"] = "\u0064";
+ t["\u217F"] = "\u006D";
+ t["\u222C"] = "\u222B\u222B";
+ t["\u222D"] = "\u222B\u222B\u222B";
+ t["\u222F"] = "\u222E\u222E";
+ t["\u2230"] = "\u222E\u222E\u222E";
+ t["\u2474"] = "\u0028\u0031\u0029";
+ t["\u2475"] = "\u0028\u0032\u0029";
+ t["\u2476"] = "\u0028\u0033\u0029";
+ t["\u2477"] = "\u0028\u0034\u0029";
+ t["\u2478"] = "\u0028\u0035\u0029";
+ t["\u2479"] = "\u0028\u0036\u0029";
+ t["\u247A"] = "\u0028\u0037\u0029";
+ t["\u247B"] = "\u0028\u0038\u0029";
+ t["\u247C"] = "\u0028\u0039\u0029";
+ t["\u247D"] = "\u0028\u0031\u0030\u0029";
+ t["\u247E"] = "\u0028\u0031\u0031\u0029";
+ t["\u247F"] = "\u0028\u0031\u0032\u0029";
+ t["\u2480"] = "\u0028\u0031\u0033\u0029";
+ t["\u2481"] = "\u0028\u0031\u0034\u0029";
+ t["\u2482"] = "\u0028\u0031\u0035\u0029";
+ t["\u2483"] = "\u0028\u0031\u0036\u0029";
+ t["\u2484"] = "\u0028\u0031\u0037\u0029";
+ t["\u2485"] = "\u0028\u0031\u0038\u0029";
+ t["\u2486"] = "\u0028\u0031\u0039\u0029";
+ t["\u2487"] = "\u0028\u0032\u0030\u0029";
+ t["\u2488"] = "\u0031\u002E";
+ t["\u2489"] = "\u0032\u002E";
+ t["\u248A"] = "\u0033\u002E";
+ t["\u248B"] = "\u0034\u002E";
+ t["\u248C"] = "\u0035\u002E";
+ t["\u248D"] = "\u0036\u002E";
+ t["\u248E"] = "\u0037\u002E";
+ t["\u248F"] = "\u0038\u002E";
+ t["\u2490"] = "\u0039\u002E";
+ t["\u2491"] = "\u0031\u0030\u002E";
+ t["\u2492"] = "\u0031\u0031\u002E";
+ t["\u2493"] = "\u0031\u0032\u002E";
+ t["\u2494"] = "\u0031\u0033\u002E";
+ t["\u2495"] = "\u0031\u0034\u002E";
+ t["\u2496"] = "\u0031\u0035\u002E";
+ t["\u2497"] = "\u0031\u0036\u002E";
+ t["\u2498"] = "\u0031\u0037\u002E";
+ t["\u2499"] = "\u0031\u0038\u002E";
+ t["\u249A"] = "\u0031\u0039\u002E";
+ t["\u249B"] = "\u0032\u0030\u002E";
+ t["\u249C"] = "\u0028\u0061\u0029";
+ t["\u249D"] = "\u0028\u0062\u0029";
+ t["\u249E"] = "\u0028\u0063\u0029";
+ t["\u249F"] = "\u0028\u0064\u0029";
+ t["\u24A0"] = "\u0028\u0065\u0029";
+ t["\u24A1"] = "\u0028\u0066\u0029";
+ t["\u24A2"] = "\u0028\u0067\u0029";
+ t["\u24A3"] = "\u0028\u0068\u0029";
+ t["\u24A4"] = "\u0028\u0069\u0029";
+ t["\u24A5"] = "\u0028\u006A\u0029";
+ t["\u24A6"] = "\u0028\u006B\u0029";
+ t["\u24A7"] = "\u0028\u006C\u0029";
+ t["\u24A8"] = "\u0028\u006D\u0029";
+ t["\u24A9"] = "\u0028\u006E\u0029";
+ t["\u24AA"] = "\u0028\u006F\u0029";
+ t["\u24AB"] = "\u0028\u0070\u0029";
+ t["\u24AC"] = "\u0028\u0071\u0029";
+ t["\u24AD"] = "\u0028\u0072\u0029";
+ t["\u24AE"] = "\u0028\u0073\u0029";
+ t["\u24AF"] = "\u0028\u0074\u0029";
+ t["\u24B0"] = "\u0028\u0075\u0029";
+ t["\u24B1"] = "\u0028\u0076\u0029";
+ t["\u24B2"] = "\u0028\u0077\u0029";
+ t["\u24B3"] = "\u0028\u0078\u0029";
+ t["\u24B4"] = "\u0028\u0079\u0029";
+ t["\u24B5"] = "\u0028\u007A\u0029";
+ t["\u2A0C"] = "\u222B\u222B\u222B\u222B";
+ t["\u2A74"] = "\u003A\u003A\u003D";
+ t["\u2A75"] = "\u003D\u003D";
+ t["\u2A76"] = "\u003D\u003D\u003D";
+ t["\u2E9F"] = "\u6BCD";
+ t["\u2EF3"] = "\u9F9F";
+ t["\u2F00"] = "\u4E00";
+ t["\u2F01"] = "\u4E28";
+ t["\u2F02"] = "\u4E36";
+ t["\u2F03"] = "\u4E3F";
+ t["\u2F04"] = "\u4E59";
+ t["\u2F05"] = "\u4E85";
+ t["\u2F06"] = "\u4E8C";
+ t["\u2F07"] = "\u4EA0";
+ t["\u2F08"] = "\u4EBA";
+ t["\u2F09"] = "\u513F";
+ t["\u2F0A"] = "\u5165";
+ t["\u2F0B"] = "\u516B";
+ t["\u2F0C"] = "\u5182";
+ t["\u2F0D"] = "\u5196";
+ t["\u2F0E"] = "\u51AB";
+ t["\u2F0F"] = "\u51E0";
+ t["\u2F10"] = "\u51F5";
+ t["\u2F11"] = "\u5200";
+ t["\u2F12"] = "\u529B";
+ t["\u2F13"] = "\u52F9";
+ t["\u2F14"] = "\u5315";
+ t["\u2F15"] = "\u531A";
+ t["\u2F16"] = "\u5338";
+ t["\u2F17"] = "\u5341";
+ t["\u2F18"] = "\u535C";
+ t["\u2F19"] = "\u5369";
+ t["\u2F1A"] = "\u5382";
+ t["\u2F1B"] = "\u53B6";
+ t["\u2F1C"] = "\u53C8";
+ t["\u2F1D"] = "\u53E3";
+ t["\u2F1E"] = "\u56D7";
+ t["\u2F1F"] = "\u571F";
+ t["\u2F20"] = "\u58EB";
+ t["\u2F21"] = "\u5902";
+ t["\u2F22"] = "\u590A";
+ t["\u2F23"] = "\u5915";
+ t["\u2F24"] = "\u5927";
+ t["\u2F25"] = "\u5973";
+ t["\u2F26"] = "\u5B50";
+ t["\u2F27"] = "\u5B80";
+ t["\u2F28"] = "\u5BF8";
+ t["\u2F29"] = "\u5C0F";
+ t["\u2F2A"] = "\u5C22";
+ t["\u2F2B"] = "\u5C38";
+ t["\u2F2C"] = "\u5C6E";
+ t["\u2F2D"] = "\u5C71";
+ t["\u2F2E"] = "\u5DDB";
+ t["\u2F2F"] = "\u5DE5";
+ t["\u2F30"] = "\u5DF1";
+ t["\u2F31"] = "\u5DFE";
+ t["\u2F32"] = "\u5E72";
+ t["\u2F33"] = "\u5E7A";
+ t["\u2F34"] = "\u5E7F";
+ t["\u2F35"] = "\u5EF4";
+ t["\u2F36"] = "\u5EFE";
+ t["\u2F37"] = "\u5F0B";
+ t["\u2F38"] = "\u5F13";
+ t["\u2F39"] = "\u5F50";
+ t["\u2F3A"] = "\u5F61";
+ t["\u2F3B"] = "\u5F73";
+ t["\u2F3C"] = "\u5FC3";
+ t["\u2F3D"] = "\u6208";
+ t["\u2F3E"] = "\u6236";
+ t["\u2F3F"] = "\u624B";
+ t["\u2F40"] = "\u652F";
+ t["\u2F41"] = "\u6534";
+ t["\u2F42"] = "\u6587";
+ t["\u2F43"] = "\u6597";
+ t["\u2F44"] = "\u65A4";
+ t["\u2F45"] = "\u65B9";
+ t["\u2F46"] = "\u65E0";
+ t["\u2F47"] = "\u65E5";
+ t["\u2F48"] = "\u66F0";
+ t["\u2F49"] = "\u6708";
+ t["\u2F4A"] = "\u6728";
+ t["\u2F4B"] = "\u6B20";
+ t["\u2F4C"] = "\u6B62";
+ t["\u2F4D"] = "\u6B79";
+ t["\u2F4E"] = "\u6BB3";
+ t["\u2F4F"] = "\u6BCB";
+ t["\u2F50"] = "\u6BD4";
+ t["\u2F51"] = "\u6BDB";
+ t["\u2F52"] = "\u6C0F";
+ t["\u2F53"] = "\u6C14";
+ t["\u2F54"] = "\u6C34";
+ t["\u2F55"] = "\u706B";
+ t["\u2F56"] = "\u722A";
+ t["\u2F57"] = "\u7236";
+ t["\u2F58"] = "\u723B";
+ t["\u2F59"] = "\u723F";
+ t["\u2F5A"] = "\u7247";
+ t["\u2F5B"] = "\u7259";
+ t["\u2F5C"] = "\u725B";
+ t["\u2F5D"] = "\u72AC";
+ t["\u2F5E"] = "\u7384";
+ t["\u2F5F"] = "\u7389";
+ t["\u2F60"] = "\u74DC";
+ t["\u2F61"] = "\u74E6";
+ t["\u2F62"] = "\u7518";
+ t["\u2F63"] = "\u751F";
+ t["\u2F64"] = "\u7528";
+ t["\u2F65"] = "\u7530";
+ t["\u2F66"] = "\u758B";
+ t["\u2F67"] = "\u7592";
+ t["\u2F68"] = "\u7676";
+ t["\u2F69"] = "\u767D";
+ t["\u2F6A"] = "\u76AE";
+ t["\u2F6B"] = "\u76BF";
+ t["\u2F6C"] = "\u76EE";
+ t["\u2F6D"] = "\u77DB";
+ t["\u2F6E"] = "\u77E2";
+ t["\u2F6F"] = "\u77F3";
+ t["\u2F70"] = "\u793A";
+ t["\u2F71"] = "\u79B8";
+ t["\u2F72"] = "\u79BE";
+ t["\u2F73"] = "\u7A74";
+ t["\u2F74"] = "\u7ACB";
+ t["\u2F75"] = "\u7AF9";
+ t["\u2F76"] = "\u7C73";
+ t["\u2F77"] = "\u7CF8";
+ t["\u2F78"] = "\u7F36";
+ t["\u2F79"] = "\u7F51";
+ t["\u2F7A"] = "\u7F8A";
+ t["\u2F7B"] = "\u7FBD";
+ t["\u2F7C"] = "\u8001";
+ t["\u2F7D"] = "\u800C";
+ t["\u2F7E"] = "\u8012";
+ t["\u2F7F"] = "\u8033";
+ t["\u2F80"] = "\u807F";
+ t["\u2F81"] = "\u8089";
+ t["\u2F82"] = "\u81E3";
+ t["\u2F83"] = "\u81EA";
+ t["\u2F84"] = "\u81F3";
+ t["\u2F85"] = "\u81FC";
+ t["\u2F86"] = "\u820C";
+ t["\u2F87"] = "\u821B";
+ t["\u2F88"] = "\u821F";
+ t["\u2F89"] = "\u826E";
+ t["\u2F8A"] = "\u8272";
+ t["\u2F8B"] = "\u8278";
+ t["\u2F8C"] = "\u864D";
+ t["\u2F8D"] = "\u866B";
+ t["\u2F8E"] = "\u8840";
+ t["\u2F8F"] = "\u884C";
+ t["\u2F90"] = "\u8863";
+ t["\u2F91"] = "\u897E";
+ t["\u2F92"] = "\u898B";
+ t["\u2F93"] = "\u89D2";
+ t["\u2F94"] = "\u8A00";
+ t["\u2F95"] = "\u8C37";
+ t["\u2F96"] = "\u8C46";
+ t["\u2F97"] = "\u8C55";
+ t["\u2F98"] = "\u8C78";
+ t["\u2F99"] = "\u8C9D";
+ t["\u2F9A"] = "\u8D64";
+ t["\u2F9B"] = "\u8D70";
+ t["\u2F9C"] = "\u8DB3";
+ t["\u2F9D"] = "\u8EAB";
+ t["\u2F9E"] = "\u8ECA";
+ t["\u2F9F"] = "\u8F9B";
+ t["\u2FA0"] = "\u8FB0";
+ t["\u2FA1"] = "\u8FB5";
+ t["\u2FA2"] = "\u9091";
+ t["\u2FA3"] = "\u9149";
+ t["\u2FA4"] = "\u91C6";
+ t["\u2FA5"] = "\u91CC";
+ t["\u2FA6"] = "\u91D1";
+ t["\u2FA7"] = "\u9577";
+ t["\u2FA8"] = "\u9580";
+ t["\u2FA9"] = "\u961C";
+ t["\u2FAA"] = "\u96B6";
+ t["\u2FAB"] = "\u96B9";
+ t["\u2FAC"] = "\u96E8";
+ t["\u2FAD"] = "\u9751";
+ t["\u2FAE"] = "\u975E";
+ t["\u2FAF"] = "\u9762";
+ t["\u2FB0"] = "\u9769";
+ t["\u2FB1"] = "\u97CB";
+ t["\u2FB2"] = "\u97ED";
+ t["\u2FB3"] = "\u97F3";
+ t["\u2FB4"] = "\u9801";
+ t["\u2FB5"] = "\u98A8";
+ t["\u2FB6"] = "\u98DB";
+ t["\u2FB7"] = "\u98DF";
+ t["\u2FB8"] = "\u9996";
+ t["\u2FB9"] = "\u9999";
+ t["\u2FBA"] = "\u99AC";
+ t["\u2FBB"] = "\u9AA8";
+ t["\u2FBC"] = "\u9AD8";
+ t["\u2FBD"] = "\u9ADF";
+ t["\u2FBE"] = "\u9B25";
+ t["\u2FBF"] = "\u9B2F";
+ t["\u2FC0"] = "\u9B32";
+ t["\u2FC1"] = "\u9B3C";
+ t["\u2FC2"] = "\u9B5A";
+ t["\u2FC3"] = "\u9CE5";
+ t["\u2FC4"] = "\u9E75";
+ t["\u2FC5"] = "\u9E7F";
+ t["\u2FC6"] = "\u9EA5";
+ t["\u2FC7"] = "\u9EBB";
+ t["\u2FC8"] = "\u9EC3";
+ t["\u2FC9"] = "\u9ECD";
+ t["\u2FCA"] = "\u9ED1";
+ t["\u2FCB"] = "\u9EF9";
+ t["\u2FCC"] = "\u9EFD";
+ t["\u2FCD"] = "\u9F0E";
+ t["\u2FCE"] = "\u9F13";
+ t["\u2FCF"] = "\u9F20";
+ t["\u2FD0"] = "\u9F3B";
+ t["\u2FD1"] = "\u9F4A";
+ t["\u2FD2"] = "\u9F52";
+ t["\u2FD3"] = "\u9F8D";
+ t["\u2FD4"] = "\u9F9C";
+ t["\u2FD5"] = "\u9FA0";
+ t["\u3036"] = "\u3012";
+ t["\u3038"] = "\u5341";
+ t["\u3039"] = "\u5344";
+ t["\u303A"] = "\u5345";
+ t["\u309B"] = "\u0020\u3099";
+ t["\u309C"] = "\u0020\u309A";
+ t["\u3131"] = "\u1100";
+ t["\u3132"] = "\u1101";
+ t["\u3133"] = "\u11AA";
+ t["\u3134"] = "\u1102";
+ t["\u3135"] = "\u11AC";
+ t["\u3136"] = "\u11AD";
+ t["\u3137"] = "\u1103";
+ t["\u3138"] = "\u1104";
+ t["\u3139"] = "\u1105";
+ t["\u313A"] = "\u11B0";
+ t["\u313B"] = "\u11B1";
+ t["\u313C"] = "\u11B2";
+ t["\u313D"] = "\u11B3";
+ t["\u313E"] = "\u11B4";
+ t["\u313F"] = "\u11B5";
+ t["\u3140"] = "\u111A";
+ t["\u3141"] = "\u1106";
+ t["\u3142"] = "\u1107";
+ t["\u3143"] = "\u1108";
+ t["\u3144"] = "\u1121";
+ t["\u3145"] = "\u1109";
+ t["\u3146"] = "\u110A";
+ t["\u3147"] = "\u110B";
+ t["\u3148"] = "\u110C";
+ t["\u3149"] = "\u110D";
+ t["\u314A"] = "\u110E";
+ t["\u314B"] = "\u110F";
+ t["\u314C"] = "\u1110";
+ t["\u314D"] = "\u1111";
+ t["\u314E"] = "\u1112";
+ t["\u314F"] = "\u1161";
+ t["\u3150"] = "\u1162";
+ t["\u3151"] = "\u1163";
+ t["\u3152"] = "\u1164";
+ t["\u3153"] = "\u1165";
+ t["\u3154"] = "\u1166";
+ t["\u3155"] = "\u1167";
+ t["\u3156"] = "\u1168";
+ t["\u3157"] = "\u1169";
+ t["\u3158"] = "\u116A";
+ t["\u3159"] = "\u116B";
+ t["\u315A"] = "\u116C";
+ t["\u315B"] = "\u116D";
+ t["\u315C"] = "\u116E";
+ t["\u315D"] = "\u116F";
+ t["\u315E"] = "\u1170";
+ t["\u315F"] = "\u1171";
+ t["\u3160"] = "\u1172";
+ t["\u3161"] = "\u1173";
+ t["\u3162"] = "\u1174";
+ t["\u3163"] = "\u1175";
+ t["\u3164"] = "\u1160";
+ t["\u3165"] = "\u1114";
+ t["\u3166"] = "\u1115";
+ t["\u3167"] = "\u11C7";
+ t["\u3168"] = "\u11C8";
+ t["\u3169"] = "\u11CC";
+ t["\u316A"] = "\u11CE";
+ t["\u316B"] = "\u11D3";
+ t["\u316C"] = "\u11D7";
+ t["\u316D"] = "\u11D9";
+ t["\u316E"] = "\u111C";
+ t["\u316F"] = "\u11DD";
+ t["\u3170"] = "\u11DF";
+ t["\u3171"] = "\u111D";
+ t["\u3172"] = "\u111E";
+ t["\u3173"] = "\u1120";
+ t["\u3174"] = "\u1122";
+ t["\u3175"] = "\u1123";
+ t["\u3176"] = "\u1127";
+ t["\u3177"] = "\u1129";
+ t["\u3178"] = "\u112B";
+ t["\u3179"] = "\u112C";
+ t["\u317A"] = "\u112D";
+ t["\u317B"] = "\u112E";
+ t["\u317C"] = "\u112F";
+ t["\u317D"] = "\u1132";
+ t["\u317E"] = "\u1136";
+ t["\u317F"] = "\u1140";
+ t["\u3180"] = "\u1147";
+ t["\u3181"] = "\u114C";
+ t["\u3182"] = "\u11F1";
+ t["\u3183"] = "\u11F2";
+ t["\u3184"] = "\u1157";
+ t["\u3185"] = "\u1158";
+ t["\u3186"] = "\u1159";
+ t["\u3187"] = "\u1184";
+ t["\u3188"] = "\u1185";
+ t["\u3189"] = "\u1188";
+ t["\u318A"] = "\u1191";
+ t["\u318B"] = "\u1192";
+ t["\u318C"] = "\u1194";
+ t["\u318D"] = "\u119E";
+ t["\u318E"] = "\u11A1";
+ t["\u3200"] = "\u0028\u1100\u0029";
+ t["\u3201"] = "\u0028\u1102\u0029";
+ t["\u3202"] = "\u0028\u1103\u0029";
+ t["\u3203"] = "\u0028\u1105\u0029";
+ t["\u3204"] = "\u0028\u1106\u0029";
+ t["\u3205"] = "\u0028\u1107\u0029";
+ t["\u3206"] = "\u0028\u1109\u0029";
+ t["\u3207"] = "\u0028\u110B\u0029";
+ t["\u3208"] = "\u0028\u110C\u0029";
+ t["\u3209"] = "\u0028\u110E\u0029";
+ t["\u320A"] = "\u0028\u110F\u0029";
+ t["\u320B"] = "\u0028\u1110\u0029";
+ t["\u320C"] = "\u0028\u1111\u0029";
+ t["\u320D"] = "\u0028\u1112\u0029";
+ t["\u320E"] = "\u0028\u1100\u1161\u0029";
+ t["\u320F"] = "\u0028\u1102\u1161\u0029";
+ t["\u3210"] = "\u0028\u1103\u1161\u0029";
+ t["\u3211"] = "\u0028\u1105\u1161\u0029";
+ t["\u3212"] = "\u0028\u1106\u1161\u0029";
+ t["\u3213"] = "\u0028\u1107\u1161\u0029";
+ t["\u3214"] = "\u0028\u1109\u1161\u0029";
+ t["\u3215"] = "\u0028\u110B\u1161\u0029";
+ t["\u3216"] = "\u0028\u110C\u1161\u0029";
+ t["\u3217"] = "\u0028\u110E\u1161\u0029";
+ t["\u3218"] = "\u0028\u110F\u1161\u0029";
+ t["\u3219"] = "\u0028\u1110\u1161\u0029";
+ t["\u321A"] = "\u0028\u1111\u1161\u0029";
+ t["\u321B"] = "\u0028\u1112\u1161\u0029";
+ t["\u321C"] = "\u0028\u110C\u116E\u0029";
+ t["\u321D"] = "\u0028\u110B\u1169\u110C\u1165\u11AB\u0029";
+ t["\u321E"] = "\u0028\u110B\u1169\u1112\u116E\u0029";
+ t["\u3220"] = "\u0028\u4E00\u0029";
+ t["\u3221"] = "\u0028\u4E8C\u0029";
+ t["\u3222"] = "\u0028\u4E09\u0029";
+ t["\u3223"] = "\u0028\u56DB\u0029";
+ t["\u3224"] = "\u0028\u4E94\u0029";
+ t["\u3225"] = "\u0028\u516D\u0029";
+ t["\u3226"] = "\u0028\u4E03\u0029";
+ t["\u3227"] = "\u0028\u516B\u0029";
+ t["\u3228"] = "\u0028\u4E5D\u0029";
+ t["\u3229"] = "\u0028\u5341\u0029";
+ t["\u322A"] = "\u0028\u6708\u0029";
+ t["\u322B"] = "\u0028\u706B\u0029";
+ t["\u322C"] = "\u0028\u6C34\u0029";
+ t["\u322D"] = "\u0028\u6728\u0029";
+ t["\u322E"] = "\u0028\u91D1\u0029";
+ t["\u322F"] = "\u0028\u571F\u0029";
+ t["\u3230"] = "\u0028\u65E5\u0029";
+ t["\u3231"] = "\u0028\u682A\u0029";
+ t["\u3232"] = "\u0028\u6709\u0029";
+ t["\u3233"] = "\u0028\u793E\u0029";
+ t["\u3234"] = "\u0028\u540D\u0029";
+ t["\u3235"] = "\u0028\u7279\u0029";
+ t["\u3236"] = "\u0028\u8CA1\u0029";
+ t["\u3237"] = "\u0028\u795D\u0029";
+ t["\u3238"] = "\u0028\u52B4\u0029";
+ t["\u3239"] = "\u0028\u4EE3\u0029";
+ t["\u323A"] = "\u0028\u547C\u0029";
+ t["\u323B"] = "\u0028\u5B66\u0029";
+ t["\u323C"] = "\u0028\u76E3\u0029";
+ t["\u323D"] = "\u0028\u4F01\u0029";
+ t["\u323E"] = "\u0028\u8CC7\u0029";
+ t["\u323F"] = "\u0028\u5354\u0029";
+ t["\u3240"] = "\u0028\u796D\u0029";
+ t["\u3241"] = "\u0028\u4F11\u0029";
+ t["\u3242"] = "\u0028\u81EA\u0029";
+ t["\u3243"] = "\u0028\u81F3\u0029";
+ t["\u32C0"] = "\u0031\u6708";
+ t["\u32C1"] = "\u0032\u6708";
+ t["\u32C2"] = "\u0033\u6708";
+ t["\u32C3"] = "\u0034\u6708";
+ t["\u32C4"] = "\u0035\u6708";
+ t["\u32C5"] = "\u0036\u6708";
+ t["\u32C6"] = "\u0037\u6708";
+ t["\u32C7"] = "\u0038\u6708";
+ t["\u32C8"] = "\u0039\u6708";
+ t["\u32C9"] = "\u0031\u0030\u6708";
+ t["\u32CA"] = "\u0031\u0031\u6708";
+ t["\u32CB"] = "\u0031\u0032\u6708";
+ t["\u3358"] = "\u0030\u70B9";
+ t["\u3359"] = "\u0031\u70B9";
+ t["\u335A"] = "\u0032\u70B9";
+ t["\u335B"] = "\u0033\u70B9";
+ t["\u335C"] = "\u0034\u70B9";
+ t["\u335D"] = "\u0035\u70B9";
+ t["\u335E"] = "\u0036\u70B9";
+ t["\u335F"] = "\u0037\u70B9";
+ t["\u3360"] = "\u0038\u70B9";
+ t["\u3361"] = "\u0039\u70B9";
+ t["\u3362"] = "\u0031\u0030\u70B9";
+ t["\u3363"] = "\u0031\u0031\u70B9";
+ t["\u3364"] = "\u0031\u0032\u70B9";
+ t["\u3365"] = "\u0031\u0033\u70B9";
+ t["\u3366"] = "\u0031\u0034\u70B9";
+ t["\u3367"] = "\u0031\u0035\u70B9";
+ t["\u3368"] = "\u0031\u0036\u70B9";
+ t["\u3369"] = "\u0031\u0037\u70B9";
+ t["\u336A"] = "\u0031\u0038\u70B9";
+ t["\u336B"] = "\u0031\u0039\u70B9";
+ t["\u336C"] = "\u0032\u0030\u70B9";
+ t["\u336D"] = "\u0032\u0031\u70B9";
+ t["\u336E"] = "\u0032\u0032\u70B9";
+ t["\u336F"] = "\u0032\u0033\u70B9";
+ t["\u3370"] = "\u0032\u0034\u70B9";
+ t["\u33E0"] = "\u0031\u65E5";
+ t["\u33E1"] = "\u0032\u65E5";
+ t["\u33E2"] = "\u0033\u65E5";
+ t["\u33E3"] = "\u0034\u65E5";
+ t["\u33E4"] = "\u0035\u65E5";
+ t["\u33E5"] = "\u0036\u65E5";
+ t["\u33E6"] = "\u0037\u65E5";
+ t["\u33E7"] = "\u0038\u65E5";
+ t["\u33E8"] = "\u0039\u65E5";
+ t["\u33E9"] = "\u0031\u0030\u65E5";
+ t["\u33EA"] = "\u0031\u0031\u65E5";
+ t["\u33EB"] = "\u0031\u0032\u65E5";
+ t["\u33EC"] = "\u0031\u0033\u65E5";
+ t["\u33ED"] = "\u0031\u0034\u65E5";
+ t["\u33EE"] = "\u0031\u0035\u65E5";
+ t["\u33EF"] = "\u0031\u0036\u65E5";
+ t["\u33F0"] = "\u0031\u0037\u65E5";
+ t["\u33F1"] = "\u0031\u0038\u65E5";
+ t["\u33F2"] = "\u0031\u0039\u65E5";
+ t["\u33F3"] = "\u0032\u0030\u65E5";
+ t["\u33F4"] = "\u0032\u0031\u65E5";
+ t["\u33F5"] = "\u0032\u0032\u65E5";
+ t["\u33F6"] = "\u0032\u0033\u65E5";
+ t["\u33F7"] = "\u0032\u0034\u65E5";
+ t["\u33F8"] = "\u0032\u0035\u65E5";
+ t["\u33F9"] = "\u0032\u0036\u65E5";
+ t["\u33FA"] = "\u0032\u0037\u65E5";
+ t["\u33FB"] = "\u0032\u0038\u65E5";
+ t["\u33FC"] = "\u0032\u0039\u65E5";
+ t["\u33FD"] = "\u0033\u0030\u65E5";
+ t["\u33FE"] = "\u0033\u0031\u65E5";
+ t["\uFB00"] = "\u0066\u0066";
+ t["\uFB01"] = "\u0066\u0069";
+ t["\uFB02"] = "\u0066\u006C";
+ t["\uFB03"] = "\u0066\u0066\u0069";
+ t["\uFB04"] = "\u0066\u0066\u006C";
+ t["\uFB05"] = "\u017F\u0074";
+ t["\uFB06"] = "\u0073\u0074";
+ t["\uFB13"] = "\u0574\u0576";
+ t["\uFB14"] = "\u0574\u0565";
+ t["\uFB15"] = "\u0574\u056B";
+ t["\uFB16"] = "\u057E\u0576";
+ t["\uFB17"] = "\u0574\u056D";
+ t["\uFB4F"] = "\u05D0\u05DC";
+ t["\uFB50"] = "\u0671";
+ t["\uFB51"] = "\u0671";
+ t["\uFB52"] = "\u067B";
+ t["\uFB53"] = "\u067B";
+ t["\uFB54"] = "\u067B";
+ t["\uFB55"] = "\u067B";
+ t["\uFB56"] = "\u067E";
+ t["\uFB57"] = "\u067E";
+ t["\uFB58"] = "\u067E";
+ t["\uFB59"] = "\u067E";
+ t["\uFB5A"] = "\u0680";
+ t["\uFB5B"] = "\u0680";
+ t["\uFB5C"] = "\u0680";
+ t["\uFB5D"] = "\u0680";
+ t["\uFB5E"] = "\u067A";
+ t["\uFB5F"] = "\u067A";
+ t["\uFB60"] = "\u067A";
+ t["\uFB61"] = "\u067A";
+ t["\uFB62"] = "\u067F";
+ t["\uFB63"] = "\u067F";
+ t["\uFB64"] = "\u067F";
+ t["\uFB65"] = "\u067F";
+ t["\uFB66"] = "\u0679";
+ t["\uFB67"] = "\u0679";
+ t["\uFB68"] = "\u0679";
+ t["\uFB69"] = "\u0679";
+ t["\uFB6A"] = "\u06A4";
+ t["\uFB6B"] = "\u06A4";
+ t["\uFB6C"] = "\u06A4";
+ t["\uFB6D"] = "\u06A4";
+ t["\uFB6E"] = "\u06A6";
+ t["\uFB6F"] = "\u06A6";
+ t["\uFB70"] = "\u06A6";
+ t["\uFB71"] = "\u06A6";
+ t["\uFB72"] = "\u0684";
+ t["\uFB73"] = "\u0684";
+ t["\uFB74"] = "\u0684";
+ t["\uFB75"] = "\u0684";
+ t["\uFB76"] = "\u0683";
+ t["\uFB77"] = "\u0683";
+ t["\uFB78"] = "\u0683";
+ t["\uFB79"] = "\u0683";
+ t["\uFB7A"] = "\u0686";
+ t["\uFB7B"] = "\u0686";
+ t["\uFB7C"] = "\u0686";
+ t["\uFB7D"] = "\u0686";
+ t["\uFB7E"] = "\u0687";
+ t["\uFB7F"] = "\u0687";
+ t["\uFB80"] = "\u0687";
+ t["\uFB81"] = "\u0687";
+ t["\uFB82"] = "\u068D";
+ t["\uFB83"] = "\u068D";
+ t["\uFB84"] = "\u068C";
+ t["\uFB85"] = "\u068C";
+ t["\uFB86"] = "\u068E";
+ t["\uFB87"] = "\u068E";
+ t["\uFB88"] = "\u0688";
+ t["\uFB89"] = "\u0688";
+ t["\uFB8A"] = "\u0698";
+ t["\uFB8B"] = "\u0698";
+ t["\uFB8C"] = "\u0691";
+ t["\uFB8D"] = "\u0691";
+ t["\uFB8E"] = "\u06A9";
+ t["\uFB8F"] = "\u06A9";
+ t["\uFB90"] = "\u06A9";
+ t["\uFB91"] = "\u06A9";
+ t["\uFB92"] = "\u06AF";
+ t["\uFB93"] = "\u06AF";
+ t["\uFB94"] = "\u06AF";
+ t["\uFB95"] = "\u06AF";
+ t["\uFB96"] = "\u06B3";
+ t["\uFB97"] = "\u06B3";
+ t["\uFB98"] = "\u06B3";
+ t["\uFB99"] = "\u06B3";
+ t["\uFB9A"] = "\u06B1";
+ t["\uFB9B"] = "\u06B1";
+ t["\uFB9C"] = "\u06B1";
+ t["\uFB9D"] = "\u06B1";
+ t["\uFB9E"] = "\u06BA";
+ t["\uFB9F"] = "\u06BA";
+ t["\uFBA0"] = "\u06BB";
+ t["\uFBA1"] = "\u06BB";
+ t["\uFBA2"] = "\u06BB";
+ t["\uFBA3"] = "\u06BB";
+ t["\uFBA4"] = "\u06C0";
+ t["\uFBA5"] = "\u06C0";
+ t["\uFBA6"] = "\u06C1";
+ t["\uFBA7"] = "\u06C1";
+ t["\uFBA8"] = "\u06C1";
+ t["\uFBA9"] = "\u06C1";
+ t["\uFBAA"] = "\u06BE";
+ t["\uFBAB"] = "\u06BE";
+ t["\uFBAC"] = "\u06BE";
+ t["\uFBAD"] = "\u06BE";
+ t["\uFBAE"] = "\u06D2";
+ t["\uFBAF"] = "\u06D2";
+ t["\uFBB0"] = "\u06D3";
+ t["\uFBB1"] = "\u06D3";
+ t["\uFBD3"] = "\u06AD";
+ t["\uFBD4"] = "\u06AD";
+ t["\uFBD5"] = "\u06AD";
+ t["\uFBD6"] = "\u06AD";
+ t["\uFBD7"] = "\u06C7";
+ t["\uFBD8"] = "\u06C7";
+ t["\uFBD9"] = "\u06C6";
+ t["\uFBDA"] = "\u06C6";
+ t["\uFBDB"] = "\u06C8";
+ t["\uFBDC"] = "\u06C8";
+ t["\uFBDD"] = "\u0677";
+ t["\uFBDE"] = "\u06CB";
+ t["\uFBDF"] = "\u06CB";
+ t["\uFBE0"] = "\u06C5";
+ t["\uFBE1"] = "\u06C5";
+ t["\uFBE2"] = "\u06C9";
+ t["\uFBE3"] = "\u06C9";
+ t["\uFBE4"] = "\u06D0";
+ t["\uFBE5"] = "\u06D0";
+ t["\uFBE6"] = "\u06D0";
+ t["\uFBE7"] = "\u06D0";
+ t["\uFBE8"] = "\u0649";
+ t["\uFBE9"] = "\u0649";
+ t["\uFBEA"] = "\u0626\u0627";
+ t["\uFBEB"] = "\u0626\u0627";
+ t["\uFBEC"] = "\u0626\u06D5";
+ t["\uFBED"] = "\u0626\u06D5";
+ t["\uFBEE"] = "\u0626\u0648";
+ t["\uFBEF"] = "\u0626\u0648";
+ t["\uFBF0"] = "\u0626\u06C7";
+ t["\uFBF1"] = "\u0626\u06C7";
+ t["\uFBF2"] = "\u0626\u06C6";
+ t["\uFBF3"] = "\u0626\u06C6";
+ t["\uFBF4"] = "\u0626\u06C8";
+ t["\uFBF5"] = "\u0626\u06C8";
+ t["\uFBF6"] = "\u0626\u06D0";
+ t["\uFBF7"] = "\u0626\u06D0";
+ t["\uFBF8"] = "\u0626\u06D0";
+ t["\uFBF9"] = "\u0626\u0649";
+ t["\uFBFA"] = "\u0626\u0649";
+ t["\uFBFB"] = "\u0626\u0649";
+ t["\uFBFC"] = "\u06CC";
+ t["\uFBFD"] = "\u06CC";
+ t["\uFBFE"] = "\u06CC";
+ t["\uFBFF"] = "\u06CC";
+ t["\uFC00"] = "\u0626\u062C";
+ t["\uFC01"] = "\u0626\u062D";
+ t["\uFC02"] = "\u0626\u0645";
+ t["\uFC03"] = "\u0626\u0649";
+ t["\uFC04"] = "\u0626\u064A";
+ t["\uFC05"] = "\u0628\u062C";
+ t["\uFC06"] = "\u0628\u062D";
+ t["\uFC07"] = "\u0628\u062E";
+ t["\uFC08"] = "\u0628\u0645";
+ t["\uFC09"] = "\u0628\u0649";
+ t["\uFC0A"] = "\u0628\u064A";
+ t["\uFC0B"] = "\u062A\u062C";
+ t["\uFC0C"] = "\u062A\u062D";
+ t["\uFC0D"] = "\u062A\u062E";
+ t["\uFC0E"] = "\u062A\u0645";
+ t["\uFC0F"] = "\u062A\u0649";
+ t["\uFC10"] = "\u062A\u064A";
+ t["\uFC11"] = "\u062B\u062C";
+ t["\uFC12"] = "\u062B\u0645";
+ t["\uFC13"] = "\u062B\u0649";
+ t["\uFC14"] = "\u062B\u064A";
+ t["\uFC15"] = "\u062C\u062D";
+ t["\uFC16"] = "\u062C\u0645";
+ t["\uFC17"] = "\u062D\u062C";
+ t["\uFC18"] = "\u062D\u0645";
+ t["\uFC19"] = "\u062E\u062C";
+ t["\uFC1A"] = "\u062E\u062D";
+ t["\uFC1B"] = "\u062E\u0645";
+ t["\uFC1C"] = "\u0633\u062C";
+ t["\uFC1D"] = "\u0633\u062D";
+ t["\uFC1E"] = "\u0633\u062E";
+ t["\uFC1F"] = "\u0633\u0645";
+ t["\uFC20"] = "\u0635\u062D";
+ t["\uFC21"] = "\u0635\u0645";
+ t["\uFC22"] = "\u0636\u062C";
+ t["\uFC23"] = "\u0636\u062D";
+ t["\uFC24"] = "\u0636\u062E";
+ t["\uFC25"] = "\u0636\u0645";
+ t["\uFC26"] = "\u0637\u062D";
+ t["\uFC27"] = "\u0637\u0645";
+ t["\uFC28"] = "\u0638\u0645";
+ t["\uFC29"] = "\u0639\u062C";
+ t["\uFC2A"] = "\u0639\u0645";
+ t["\uFC2B"] = "\u063A\u062C";
+ t["\uFC2C"] = "\u063A\u0645";
+ t["\uFC2D"] = "\u0641\u062C";
+ t["\uFC2E"] = "\u0641\u062D";
+ t["\uFC2F"] = "\u0641\u062E";
+ t["\uFC30"] = "\u0641\u0645";
+ t["\uFC31"] = "\u0641\u0649";
+ t["\uFC32"] = "\u0641\u064A";
+ t["\uFC33"] = "\u0642\u062D";
+ t["\uFC34"] = "\u0642\u0645";
+ t["\uFC35"] = "\u0642\u0649";
+ t["\uFC36"] = "\u0642\u064A";
+ t["\uFC37"] = "\u0643\u0627";
+ t["\uFC38"] = "\u0643\u062C";
+ t["\uFC39"] = "\u0643\u062D";
+ t["\uFC3A"] = "\u0643\u062E";
+ t["\uFC3B"] = "\u0643\u0644";
+ t["\uFC3C"] = "\u0643\u0645";
+ t["\uFC3D"] = "\u0643\u0649";
+ t["\uFC3E"] = "\u0643\u064A";
+ t["\uFC3F"] = "\u0644\u062C";
+ t["\uFC40"] = "\u0644\u062D";
+ t["\uFC41"] = "\u0644\u062E";
+ t["\uFC42"] = "\u0644\u0645";
+ t["\uFC43"] = "\u0644\u0649";
+ t["\uFC44"] = "\u0644\u064A";
+ t["\uFC45"] = "\u0645\u062C";
+ t["\uFC46"] = "\u0645\u062D";
+ t["\uFC47"] = "\u0645\u062E";
+ t["\uFC48"] = "\u0645\u0645";
+ t["\uFC49"] = "\u0645\u0649";
+ t["\uFC4A"] = "\u0645\u064A";
+ t["\uFC4B"] = "\u0646\u062C";
+ t["\uFC4C"] = "\u0646\u062D";
+ t["\uFC4D"] = "\u0646\u062E";
+ t["\uFC4E"] = "\u0646\u0645";
+ t["\uFC4F"] = "\u0646\u0649";
+ t["\uFC50"] = "\u0646\u064A";
+ t["\uFC51"] = "\u0647\u062C";
+ t["\uFC52"] = "\u0647\u0645";
+ t["\uFC53"] = "\u0647\u0649";
+ t["\uFC54"] = "\u0647\u064A";
+ t["\uFC55"] = "\u064A\u062C";
+ t["\uFC56"] = "\u064A\u062D";
+ t["\uFC57"] = "\u064A\u062E";
+ t["\uFC58"] = "\u064A\u0645";
+ t["\uFC59"] = "\u064A\u0649";
+ t["\uFC5A"] = "\u064A\u064A";
+ t["\uFC5B"] = "\u0630\u0670";
+ t["\uFC5C"] = "\u0631\u0670";
+ t["\uFC5D"] = "\u0649\u0670";
+ t["\uFC5E"] = "\u0020\u064C\u0651";
+ t["\uFC5F"] = "\u0020\u064D\u0651";
+ t["\uFC60"] = "\u0020\u064E\u0651";
+ t["\uFC61"] = "\u0020\u064F\u0651";
+ t["\uFC62"] = "\u0020\u0650\u0651";
+ t["\uFC63"] = "\u0020\u0651\u0670";
+ t["\uFC64"] = "\u0626\u0631";
+ t["\uFC65"] = "\u0626\u0632";
+ t["\uFC66"] = "\u0626\u0645";
+ t["\uFC67"] = "\u0626\u0646";
+ t["\uFC68"] = "\u0626\u0649";
+ t["\uFC69"] = "\u0626\u064A";
+ t["\uFC6A"] = "\u0628\u0631";
+ t["\uFC6B"] = "\u0628\u0632";
+ t["\uFC6C"] = "\u0628\u0645";
+ t["\uFC6D"] = "\u0628\u0646";
+ t["\uFC6E"] = "\u0628\u0649";
+ t["\uFC6F"] = "\u0628\u064A";
+ t["\uFC70"] = "\u062A\u0631";
+ t["\uFC71"] = "\u062A\u0632";
+ t["\uFC72"] = "\u062A\u0645";
+ t["\uFC73"] = "\u062A\u0646";
+ t["\uFC74"] = "\u062A\u0649";
+ t["\uFC75"] = "\u062A\u064A";
+ t["\uFC76"] = "\u062B\u0631";
+ t["\uFC77"] = "\u062B\u0632";
+ t["\uFC78"] = "\u062B\u0645";
+ t["\uFC79"] = "\u062B\u0646";
+ t["\uFC7A"] = "\u062B\u0649";
+ t["\uFC7B"] = "\u062B\u064A";
+ t["\uFC7C"] = "\u0641\u0649";
+ t["\uFC7D"] = "\u0641\u064A";
+ t["\uFC7E"] = "\u0642\u0649";
+ t["\uFC7F"] = "\u0642\u064A";
+ t["\uFC80"] = "\u0643\u0627";
+ t["\uFC81"] = "\u0643\u0644";
+ t["\uFC82"] = "\u0643\u0645";
+ t["\uFC83"] = "\u0643\u0649";
+ t["\uFC84"] = "\u0643\u064A";
+ t["\uFC85"] = "\u0644\u0645";
+ t["\uFC86"] = "\u0644\u0649";
+ t["\uFC87"] = "\u0644\u064A";
+ t["\uFC88"] = "\u0645\u0627";
+ t["\uFC89"] = "\u0645\u0645";
+ t["\uFC8A"] = "\u0646\u0631";
+ t["\uFC8B"] = "\u0646\u0632";
+ t["\uFC8C"] = "\u0646\u0645";
+ t["\uFC8D"] = "\u0646\u0646";
+ t["\uFC8E"] = "\u0646\u0649";
+ t["\uFC8F"] = "\u0646\u064A";
+ t["\uFC90"] = "\u0649\u0670";
+ t["\uFC91"] = "\u064A\u0631";
+ t["\uFC92"] = "\u064A\u0632";
+ t["\uFC93"] = "\u064A\u0645";
+ t["\uFC94"] = "\u064A\u0646";
+ t["\uFC95"] = "\u064A\u0649";
+ t["\uFC96"] = "\u064A\u064A";
+ t["\uFC97"] = "\u0626\u062C";
+ t["\uFC98"] = "\u0626\u062D";
+ t["\uFC99"] = "\u0626\u062E";
+ t["\uFC9A"] = "\u0626\u0645";
+ t["\uFC9B"] = "\u0626\u0647";
+ t["\uFC9C"] = "\u0628\u062C";
+ t["\uFC9D"] = "\u0628\u062D";
+ t["\uFC9E"] = "\u0628\u062E";
+ t["\uFC9F"] = "\u0628\u0645";
+ t["\uFCA0"] = "\u0628\u0647";
+ t["\uFCA1"] = "\u062A\u062C";
+ t["\uFCA2"] = "\u062A\u062D";
+ t["\uFCA3"] = "\u062A\u062E";
+ t["\uFCA4"] = "\u062A\u0645";
+ t["\uFCA5"] = "\u062A\u0647";
+ t["\uFCA6"] = "\u062B\u0645";
+ t["\uFCA7"] = "\u062C\u062D";
+ t["\uFCA8"] = "\u062C\u0645";
+ t["\uFCA9"] = "\u062D\u062C";
+ t["\uFCAA"] = "\u062D\u0645";
+ t["\uFCAB"] = "\u062E\u062C";
+ t["\uFCAC"] = "\u062E\u0645";
+ t["\uFCAD"] = "\u0633\u062C";
+ t["\uFCAE"] = "\u0633\u062D";
+ t["\uFCAF"] = "\u0633\u062E";
+ t["\uFCB0"] = "\u0633\u0645";
+ t["\uFCB1"] = "\u0635\u062D";
+ t["\uFCB2"] = "\u0635\u062E";
+ t["\uFCB3"] = "\u0635\u0645";
+ t["\uFCB4"] = "\u0636\u062C";
+ t["\uFCB5"] = "\u0636\u062D";
+ t["\uFCB6"] = "\u0636\u062E";
+ t["\uFCB7"] = "\u0636\u0645";
+ t["\uFCB8"] = "\u0637\u062D";
+ t["\uFCB9"] = "\u0638\u0645";
+ t["\uFCBA"] = "\u0639\u062C";
+ t["\uFCBB"] = "\u0639\u0645";
+ t["\uFCBC"] = "\u063A\u062C";
+ t["\uFCBD"] = "\u063A\u0645";
+ t["\uFCBE"] = "\u0641\u062C";
+ t["\uFCBF"] = "\u0641\u062D";
+ t["\uFCC0"] = "\u0641\u062E";
+ t["\uFCC1"] = "\u0641\u0645";
+ t["\uFCC2"] = "\u0642\u062D";
+ t["\uFCC3"] = "\u0642\u0645";
+ t["\uFCC4"] = "\u0643\u062C";
+ t["\uFCC5"] = "\u0643\u062D";
+ t["\uFCC6"] = "\u0643\u062E";
+ t["\uFCC7"] = "\u0643\u0644";
+ t["\uFCC8"] = "\u0643\u0645";
+ t["\uFCC9"] = "\u0644\u062C";
+ t["\uFCCA"] = "\u0644\u062D";
+ t["\uFCCB"] = "\u0644\u062E";
+ t["\uFCCC"] = "\u0644\u0645";
+ t["\uFCCD"] = "\u0644\u0647";
+ t["\uFCCE"] = "\u0645\u062C";
+ t["\uFCCF"] = "\u0645\u062D";
+ t["\uFCD0"] = "\u0645\u062E";
+ t["\uFCD1"] = "\u0645\u0645";
+ t["\uFCD2"] = "\u0646\u062C";
+ t["\uFCD3"] = "\u0646\u062D";
+ t["\uFCD4"] = "\u0646\u062E";
+ t["\uFCD5"] = "\u0646\u0645";
+ t["\uFCD6"] = "\u0646\u0647";
+ t["\uFCD7"] = "\u0647\u062C";
+ t["\uFCD8"] = "\u0647\u0645";
+ t["\uFCD9"] = "\u0647\u0670";
+ t["\uFCDA"] = "\u064A\u062C";
+ t["\uFCDB"] = "\u064A\u062D";
+ t["\uFCDC"] = "\u064A\u062E";
+ t["\uFCDD"] = "\u064A\u0645";
+ t["\uFCDE"] = "\u064A\u0647";
+ t["\uFCDF"] = "\u0626\u0645";
+ t["\uFCE0"] = "\u0626\u0647";
+ t["\uFCE1"] = "\u0628\u0645";
+ t["\uFCE2"] = "\u0628\u0647";
+ t["\uFCE3"] = "\u062A\u0645";
+ t["\uFCE4"] = "\u062A\u0647";
+ t["\uFCE5"] = "\u062B\u0645";
+ t["\uFCE6"] = "\u062B\u0647";
+ t["\uFCE7"] = "\u0633\u0645";
+ t["\uFCE8"] = "\u0633\u0647";
+ t["\uFCE9"] = "\u0634\u0645";
+ t["\uFCEA"] = "\u0634\u0647";
+ t["\uFCEB"] = "\u0643\u0644";
+ t["\uFCEC"] = "\u0643\u0645";
+ t["\uFCED"] = "\u0644\u0645";
+ t["\uFCEE"] = "\u0646\u0645";
+ t["\uFCEF"] = "\u0646\u0647";
+ t["\uFCF0"] = "\u064A\u0645";
+ t["\uFCF1"] = "\u064A\u0647";
+ t["\uFCF2"] = "\u0640\u064E\u0651";
+ t["\uFCF3"] = "\u0640\u064F\u0651";
+ t["\uFCF4"] = "\u0640\u0650\u0651";
+ t["\uFCF5"] = "\u0637\u0649";
+ t["\uFCF6"] = "\u0637\u064A";
+ t["\uFCF7"] = "\u0639\u0649";
+ t["\uFCF8"] = "\u0639\u064A";
+ t["\uFCF9"] = "\u063A\u0649";
+ t["\uFCFA"] = "\u063A\u064A";
+ t["\uFCFB"] = "\u0633\u0649";
+ t["\uFCFC"] = "\u0633\u064A";
+ t["\uFCFD"] = "\u0634\u0649";
+ t["\uFCFE"] = "\u0634\u064A";
+ t["\uFCFF"] = "\u062D\u0649";
+ t["\uFD00"] = "\u062D\u064A";
+ t["\uFD01"] = "\u062C\u0649";
+ t["\uFD02"] = "\u062C\u064A";
+ t["\uFD03"] = "\u062E\u0649";
+ t["\uFD04"] = "\u062E\u064A";
+ t["\uFD05"] = "\u0635\u0649";
+ t["\uFD06"] = "\u0635\u064A";
+ t["\uFD07"] = "\u0636\u0649";
+ t["\uFD08"] = "\u0636\u064A";
+ t["\uFD09"] = "\u0634\u062C";
+ t["\uFD0A"] = "\u0634\u062D";
+ t["\uFD0B"] = "\u0634\u062E";
+ t["\uFD0C"] = "\u0634\u0645";
+ t["\uFD0D"] = "\u0634\u0631";
+ t["\uFD0E"] = "\u0633\u0631";
+ t["\uFD0F"] = "\u0635\u0631";
+ t["\uFD10"] = "\u0636\u0631";
+ t["\uFD11"] = "\u0637\u0649";
+ t["\uFD12"] = "\u0637\u064A";
+ t["\uFD13"] = "\u0639\u0649";
+ t["\uFD14"] = "\u0639\u064A";
+ t["\uFD15"] = "\u063A\u0649";
+ t["\uFD16"] = "\u063A\u064A";
+ t["\uFD17"] = "\u0633\u0649";
+ t["\uFD18"] = "\u0633\u064A";
+ t["\uFD19"] = "\u0634\u0649";
+ t["\uFD1A"] = "\u0634\u064A";
+ t["\uFD1B"] = "\u062D\u0649";
+ t["\uFD1C"] = "\u062D\u064A";
+ t["\uFD1D"] = "\u062C\u0649";
+ t["\uFD1E"] = "\u062C\u064A";
+ t["\uFD1F"] = "\u062E\u0649";
+ t["\uFD20"] = "\u062E\u064A";
+ t["\uFD21"] = "\u0635\u0649";
+ t["\uFD22"] = "\u0635\u064A";
+ t["\uFD23"] = "\u0636\u0649";
+ t["\uFD24"] = "\u0636\u064A";
+ t["\uFD25"] = "\u0634\u062C";
+ t["\uFD26"] = "\u0634\u062D";
+ t["\uFD27"] = "\u0634\u062E";
+ t["\uFD28"] = "\u0634\u0645";
+ t["\uFD29"] = "\u0634\u0631";
+ t["\uFD2A"] = "\u0633\u0631";
+ t["\uFD2B"] = "\u0635\u0631";
+ t["\uFD2C"] = "\u0636\u0631";
+ t["\uFD2D"] = "\u0634\u062C";
+ t["\uFD2E"] = "\u0634\u062D";
+ t["\uFD2F"] = "\u0634\u062E";
+ t["\uFD30"] = "\u0634\u0645";
+ t["\uFD31"] = "\u0633\u0647";
+ t["\uFD32"] = "\u0634\u0647";
+ t["\uFD33"] = "\u0637\u0645";
+ t["\uFD34"] = "\u0633\u062C";
+ t["\uFD35"] = "\u0633\u062D";
+ t["\uFD36"] = "\u0633\u062E";
+ t["\uFD37"] = "\u0634\u062C";
+ t["\uFD38"] = "\u0634\u062D";
+ t["\uFD39"] = "\u0634\u062E";
+ t["\uFD3A"] = "\u0637\u0645";
+ t["\uFD3B"] = "\u0638\u0645";
+ t["\uFD3C"] = "\u0627\u064B";
+ t["\uFD3D"] = "\u0627\u064B";
+ t["\uFD50"] = "\u062A\u062C\u0645";
+ t["\uFD51"] = "\u062A\u062D\u062C";
+ t["\uFD52"] = "\u062A\u062D\u062C";
+ t["\uFD53"] = "\u062A\u062D\u0645";
+ t["\uFD54"] = "\u062A\u062E\u0645";
+ t["\uFD55"] = "\u062A\u0645\u062C";
+ t["\uFD56"] = "\u062A\u0645\u062D";
+ t["\uFD57"] = "\u062A\u0645\u062E";
+ t["\uFD58"] = "\u062C\u0645\u062D";
+ t["\uFD59"] = "\u062C\u0645\u062D";
+ t["\uFD5A"] = "\u062D\u0645\u064A";
+ t["\uFD5B"] = "\u062D\u0645\u0649";
+ t["\uFD5C"] = "\u0633\u062D\u062C";
+ t["\uFD5D"] = "\u0633\u062C\u062D";
+ t["\uFD5E"] = "\u0633\u062C\u0649";
+ t["\uFD5F"] = "\u0633\u0645\u062D";
+ t["\uFD60"] = "\u0633\u0645\u062D";
+ t["\uFD61"] = "\u0633\u0645\u062C";
+ t["\uFD62"] = "\u0633\u0645\u0645";
+ t["\uFD63"] = "\u0633\u0645\u0645";
+ t["\uFD64"] = "\u0635\u062D\u062D";
+ t["\uFD65"] = "\u0635\u062D\u062D";
+ t["\uFD66"] = "\u0635\u0645\u0645";
+ t["\uFD67"] = "\u0634\u062D\u0645";
+ t["\uFD68"] = "\u0634\u062D\u0645";
+ t["\uFD69"] = "\u0634\u062C\u064A";
+ t["\uFD6A"] = "\u0634\u0645\u062E";
+ t["\uFD6B"] = "\u0634\u0645\u062E";
+ t["\uFD6C"] = "\u0634\u0645\u0645";
+ t["\uFD6D"] = "\u0634\u0645\u0645";
+ t["\uFD6E"] = "\u0636\u062D\u0649";
+ t["\uFD6F"] = "\u0636\u062E\u0645";
+ t["\uFD70"] = "\u0636\u062E\u0645";
+ t["\uFD71"] = "\u0637\u0645\u062D";
+ t["\uFD72"] = "\u0637\u0645\u062D";
+ t["\uFD73"] = "\u0637\u0645\u0645";
+ t["\uFD74"] = "\u0637\u0645\u064A";
+ t["\uFD75"] = "\u0639\u062C\u0645";
+ t["\uFD76"] = "\u0639\u0645\u0645";
+ t["\uFD77"] = "\u0639\u0645\u0645";
+ t["\uFD78"] = "\u0639\u0645\u0649";
+ t["\uFD79"] = "\u063A\u0645\u0645";
+ t["\uFD7A"] = "\u063A\u0645\u064A";
+ t["\uFD7B"] = "\u063A\u0645\u0649";
+ t["\uFD7C"] = "\u0641\u062E\u0645";
+ t["\uFD7D"] = "\u0641\u062E\u0645";
+ t["\uFD7E"] = "\u0642\u0645\u062D";
+ t["\uFD7F"] = "\u0642\u0645\u0645";
+ t["\uFD80"] = "\u0644\u062D\u0645";
+ t["\uFD81"] = "\u0644\u062D\u064A";
+ t["\uFD82"] = "\u0644\u062D\u0649";
+ t["\uFD83"] = "\u0644\u062C\u062C";
+ t["\uFD84"] = "\u0644\u062C\u062C";
+ t["\uFD85"] = "\u0644\u062E\u0645";
+ t["\uFD86"] = "\u0644\u062E\u0645";
+ t["\uFD87"] = "\u0644\u0645\u062D";
+ t["\uFD88"] = "\u0644\u0645\u062D";
+ t["\uFD89"] = "\u0645\u062D\u062C";
+ t["\uFD8A"] = "\u0645\u062D\u0645";
+ t["\uFD8B"] = "\u0645\u062D\u064A";
+ t["\uFD8C"] = "\u0645\u062C\u062D";
+ t["\uFD8D"] = "\u0645\u062C\u0645";
+ t["\uFD8E"] = "\u0645\u062E\u062C";
+ t["\uFD8F"] = "\u0645\u062E\u0645";
+ t["\uFD92"] = "\u0645\u062C\u062E";
+ t["\uFD93"] = "\u0647\u0645\u062C";
+ t["\uFD94"] = "\u0647\u0645\u0645";
+ t["\uFD95"] = "\u0646\u062D\u0645";
+ t["\uFD96"] = "\u0646\u062D\u0649";
+ t["\uFD97"] = "\u0646\u062C\u0645";
+ t["\uFD98"] = "\u0646\u062C\u0645";
+ t["\uFD99"] = "\u0646\u062C\u0649";
+ t["\uFD9A"] = "\u0646\u0645\u064A";
+ t["\uFD9B"] = "\u0646\u0645\u0649";
+ t["\uFD9C"] = "\u064A\u0645\u0645";
+ t["\uFD9D"] = "\u064A\u0645\u0645";
+ t["\uFD9E"] = "\u0628\u062E\u064A";
+ t["\uFD9F"] = "\u062A\u062C\u064A";
+ t["\uFDA0"] = "\u062A\u062C\u0649";
+ t["\uFDA1"] = "\u062A\u062E\u064A";
+ t["\uFDA2"] = "\u062A\u062E\u0649";
+ t["\uFDA3"] = "\u062A\u0645\u064A";
+ t["\uFDA4"] = "\u062A\u0645\u0649";
+ t["\uFDA5"] = "\u062C\u0645\u064A";
+ t["\uFDA6"] = "\u062C\u062D\u0649";
+ t["\uFDA7"] = "\u062C\u0645\u0649";
+ t["\uFDA8"] = "\u0633\u062E\u0649";
+ t["\uFDA9"] = "\u0635\u062D\u064A";
+ t["\uFDAA"] = "\u0634\u062D\u064A";
+ t["\uFDAB"] = "\u0636\u062D\u064A";
+ t["\uFDAC"] = "\u0644\u062C\u064A";
+ t["\uFDAD"] = "\u0644\u0645\u064A";
+ t["\uFDAE"] = "\u064A\u062D\u064A";
+ t["\uFDAF"] = "\u064A\u062C\u064A";
+ t["\uFDB0"] = "\u064A\u0645\u064A";
+ t["\uFDB1"] = "\u0645\u0645\u064A";
+ t["\uFDB2"] = "\u0642\u0645\u064A";
+ t["\uFDB3"] = "\u0646\u062D\u064A";
+ t["\uFDB4"] = "\u0642\u0645\u062D";
+ t["\uFDB5"] = "\u0644\u062D\u0645";
+ t["\uFDB6"] = "\u0639\u0645\u064A";
+ t["\uFDB7"] = "\u0643\u0645\u064A";
+ t["\uFDB8"] = "\u0646\u062C\u062D";
+ t["\uFDB9"] = "\u0645\u062E\u064A";
+ t["\uFDBA"] = "\u0644\u062C\u0645";
+ t["\uFDBB"] = "\u0643\u0645\u0645";
+ t["\uFDBC"] = "\u0644\u062C\u0645";
+ t["\uFDBD"] = "\u0646\u062C\u062D";
+ t["\uFDBE"] = "\u062C\u062D\u064A";
+ t["\uFDBF"] = "\u062D\u062C\u064A";
+ t["\uFDC0"] = "\u0645\u062C\u064A";
+ t["\uFDC1"] = "\u0641\u0645\u064A";
+ t["\uFDC2"] = "\u0628\u062D\u064A";
+ t["\uFDC3"] = "\u0643\u0645\u0645";
+ t["\uFDC4"] = "\u0639\u062C\u0645";
+ t["\uFDC5"] = "\u0635\u0645\u0645";
+ t["\uFDC6"] = "\u0633\u062E\u064A";
+ t["\uFDC7"] = "\u0646\u062C\u064A";
+ t["\uFE49"] = "\u203E";
+ t["\uFE4A"] = "\u203E";
+ t["\uFE4B"] = "\u203E";
+ t["\uFE4C"] = "\u203E";
+ t["\uFE4D"] = "\u005F";
+ t["\uFE4E"] = "\u005F";
+ t["\uFE4F"] = "\u005F";
+ t["\uFE80"] = "\u0621";
+ t["\uFE81"] = "\u0622";
+ t["\uFE82"] = "\u0622";
+ t["\uFE83"] = "\u0623";
+ t["\uFE84"] = "\u0623";
+ t["\uFE85"] = "\u0624";
+ t["\uFE86"] = "\u0624";
+ t["\uFE87"] = "\u0625";
+ t["\uFE88"] = "\u0625";
+ t["\uFE89"] = "\u0626";
+ t["\uFE8A"] = "\u0626";
+ t["\uFE8B"] = "\u0626";
+ t["\uFE8C"] = "\u0626";
+ t["\uFE8D"] = "\u0627";
+ t["\uFE8E"] = "\u0627";
+ t["\uFE8F"] = "\u0628";
+ t["\uFE90"] = "\u0628";
+ t["\uFE91"] = "\u0628";
+ t["\uFE92"] = "\u0628";
+ t["\uFE93"] = "\u0629";
+ t["\uFE94"] = "\u0629";
+ t["\uFE95"] = "\u062A";
+ t["\uFE96"] = "\u062A";
+ t["\uFE97"] = "\u062A";
+ t["\uFE98"] = "\u062A";
+ t["\uFE99"] = "\u062B";
+ t["\uFE9A"] = "\u062B";
+ t["\uFE9B"] = "\u062B";
+ t["\uFE9C"] = "\u062B";
+ t["\uFE9D"] = "\u062C";
+ t["\uFE9E"] = "\u062C";
+ t["\uFE9F"] = "\u062C";
+ t["\uFEA0"] = "\u062C";
+ t["\uFEA1"] = "\u062D";
+ t["\uFEA2"] = "\u062D";
+ t["\uFEA3"] = "\u062D";
+ t["\uFEA4"] = "\u062D";
+ t["\uFEA5"] = "\u062E";
+ t["\uFEA6"] = "\u062E";
+ t["\uFEA7"] = "\u062E";
+ t["\uFEA8"] = "\u062E";
+ t["\uFEA9"] = "\u062F";
+ t["\uFEAA"] = "\u062F";
+ t["\uFEAB"] = "\u0630";
+ t["\uFEAC"] = "\u0630";
+ t["\uFEAD"] = "\u0631";
+ t["\uFEAE"] = "\u0631";
+ t["\uFEAF"] = "\u0632";
+ t["\uFEB0"] = "\u0632";
+ t["\uFEB1"] = "\u0633";
+ t["\uFEB2"] = "\u0633";
+ t["\uFEB3"] = "\u0633";
+ t["\uFEB4"] = "\u0633";
+ t["\uFEB5"] = "\u0634";
+ t["\uFEB6"] = "\u0634";
+ t["\uFEB7"] = "\u0634";
+ t["\uFEB8"] = "\u0634";
+ t["\uFEB9"] = "\u0635";
+ t["\uFEBA"] = "\u0635";
+ t["\uFEBB"] = "\u0635";
+ t["\uFEBC"] = "\u0635";
+ t["\uFEBD"] = "\u0636";
+ t["\uFEBE"] = "\u0636";
+ t["\uFEBF"] = "\u0636";
+ t["\uFEC0"] = "\u0636";
+ t["\uFEC1"] = "\u0637";
+ t["\uFEC2"] = "\u0637";
+ t["\uFEC3"] = "\u0637";
+ t["\uFEC4"] = "\u0637";
+ t["\uFEC5"] = "\u0638";
+ t["\uFEC6"] = "\u0638";
+ t["\uFEC7"] = "\u0638";
+ t["\uFEC8"] = "\u0638";
+ t["\uFEC9"] = "\u0639";
+ t["\uFECA"] = "\u0639";
+ t["\uFECB"] = "\u0639";
+ t["\uFECC"] = "\u0639";
+ t["\uFECD"] = "\u063A";
+ t["\uFECE"] = "\u063A";
+ t["\uFECF"] = "\u063A";
+ t["\uFED0"] = "\u063A";
+ t["\uFED1"] = "\u0641";
+ t["\uFED2"] = "\u0641";
+ t["\uFED3"] = "\u0641";
+ t["\uFED4"] = "\u0641";
+ t["\uFED5"] = "\u0642";
+ t["\uFED6"] = "\u0642";
+ t["\uFED7"] = "\u0642";
+ t["\uFED8"] = "\u0642";
+ t["\uFED9"] = "\u0643";
+ t["\uFEDA"] = "\u0643";
+ t["\uFEDB"] = "\u0643";
+ t["\uFEDC"] = "\u0643";
+ t["\uFEDD"] = "\u0644";
+ t["\uFEDE"] = "\u0644";
+ t["\uFEDF"] = "\u0644";
+ t["\uFEE0"] = "\u0644";
+ t["\uFEE1"] = "\u0645";
+ t["\uFEE2"] = "\u0645";
+ t["\uFEE3"] = "\u0645";
+ t["\uFEE4"] = "\u0645";
+ t["\uFEE5"] = "\u0646";
+ t["\uFEE6"] = "\u0646";
+ t["\uFEE7"] = "\u0646";
+ t["\uFEE8"] = "\u0646";
+ t["\uFEE9"] = "\u0647";
+ t["\uFEEA"] = "\u0647";
+ t["\uFEEB"] = "\u0647";
+ t["\uFEEC"] = "\u0647";
+ t["\uFEED"] = "\u0648";
+ t["\uFEEE"] = "\u0648";
+ t["\uFEEF"] = "\u0649";
+ t["\uFEF0"] = "\u0649";
+ t["\uFEF1"] = "\u064A";
+ t["\uFEF2"] = "\u064A";
+ t["\uFEF3"] = "\u064A";
+ t["\uFEF4"] = "\u064A";
+ t["\uFEF5"] = "\u0644\u0622";
+ t["\uFEF6"] = "\u0644\u0622";
+ t["\uFEF7"] = "\u0644\u0623";
+ t["\uFEF8"] = "\u0644\u0623";
+ t["\uFEF9"] = "\u0644\u0625";
+ t["\uFEFA"] = "\u0644\u0625";
+ t["\uFEFB"] = "\u0644\u0627";
+ t["\uFEFC"] = "\u0644\u0627";
+});
+function reverseIfRtl(chars) {
+ var charsLength = chars.length;
+ if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {
+  return chars;
+ }
+ var s = "";
+ for (var ii = charsLength - 1; ii >= 0; ii--) {
+  s += chars[ii];
+ }
+ return s;
+}
+exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;
+exports.reverseIfRtl = reverseIfRtl;
+exports.getUnicodeRangeFor = getUnicodeRangeFor;
+exports.getNormalizedUnicodes = getNormalizedUnicodes;
+exports.getUnicodeForGlyph = getUnicodeForGlyph;
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontRendererFactory = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _cff_parser = __w_pdfjs_require__(31);
+
+var _glyphlist = __w_pdfjs_require__(34);
+
+var _encodings = __w_pdfjs_require__(33);
+
+var _stream = __w_pdfjs_require__(12);
+
+var FontRendererFactory = function FontRendererFactoryClosure() {
+  function getLong(data, offset) {
+    return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+  }
+
+  function getUshort(data, offset) {
+    return data[offset] << 8 | data[offset + 1];
+  }
+
+  function getSubroutineBias(subrs) {
+    const numSubrs = subrs.length;
+    let bias = 32768;
+
+    if (numSubrs < 1240) {
+      bias = 107;
+    } else if (numSubrs < 33900) {
+      bias = 1131;
+    }
+
+    return bias;
+  }
+
+  function parseCmap(data, start, end) {
+    var offset = getUshort(data, start + 2) === 1 ? getLong(data, start + 8) : getLong(data, start + 16);
+    var format = getUshort(data, start + offset);
+    var ranges, p, i;
+
+    if (format === 4) {
+      getUshort(data, start + offset + 2);
+      var segCount = getUshort(data, start + offset + 6) >> 1;
+      p = start + offset + 14;
+      ranges = [];
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i] = {
+          end: getUshort(data, p)
+        };
+      }
+
+      p += 2;
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].start = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].idDelta = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        var idOffset = getUshort(data, p);
+
+        if (idOffset === 0) {
+          continue;
+        }
+
+        ranges[i].ids = [];
+
+        for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) {
+          ranges[i].ids[j] = getUshort(data, p + idOffset);
+          idOffset += 2;
+        }
+      }
+
+      return ranges;
+    } else if (format === 12) {
+      getLong(data, start + offset + 4);
+      var groups = getLong(data, start + offset + 12);
+      p = start + offset + 16;
+      ranges = [];
+
+      for (i = 0; i < groups; i++) {
+        ranges.push({
+          start: getLong(data, p),
+          end: getLong(data, p + 4),
+          idDelta: getLong(data, p + 8) - getLong(data, p)
+        });
+        p += 12;
+      }
+
+      return ranges;
+    }
+
+    throw new _util.FormatError(`unsupported cmap: ${format}`);
+  }
+
+  function parseCff(data, start, end, seacAnalysisEnabled) {
+    var properties = {};
+    var parser = new _cff_parser.CFFParser(new _stream.Stream(data, start, end - start), properties, seacAnalysisEnabled);
+    var cff = parser.parse();
+    return {
+      glyphs: cff.charStrings.objects,
+      subrs: cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && cff.topDict.privateDict.subrsIndex.objects,
+      gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects,
+      isCFFCIDFont: cff.isCIDFont,
+      fdSelect: cff.fdSelect,
+      fdArray: cff.fdArray
+    };
+  }
+
+  function parseGlyfTable(glyf, loca, isGlyphLocationsLong) {
+    var itemSize, itemDecode;
+
+    if (isGlyphLocationsLong) {
+      itemSize = 4;
+
+      itemDecode = function fontItemDecodeLong(data, offset) {
+        return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+      };
+    } else {
+      itemSize = 2;
+
+      itemDecode = function fontItemDecode(data, offset) {
+        return data[offset] << 9 | data[offset + 1] << 1;
+      };
+    }
+
+    var glyphs = [];
+    var startOffset = itemDecode(loca, 0);
+
+    for (var j = itemSize; j < loca.length; j += itemSize) {
+      var endOffset = itemDecode(loca, j);
+      glyphs.push(glyf.subarray(startOffset, endOffset));
+      startOffset = endOffset;
+    }
+
+    return glyphs;
+  }
+
+  function lookupCmap(ranges, unicode) {
+    var code = unicode.codePointAt(0),
+        gid = 0;
+    var l = 0,
+        r = ranges.length - 1;
+
+    while (l < r) {
+      var c = l + r + 1 >> 1;
+
+      if (code < ranges[c].start) {
+        r = c - 1;
+      } else {
+        l = c;
+      }
+    }
+
+    if (ranges[l].start <= code && code <= ranges[l].end) {
+      gid = ranges[l].idDelta + (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code) & 0xffff;
+    }
+
+    return {
+      charCode: code,
+      glyphId: gid
+    };
+  }
+
+  function compileGlyf(code, cmds, font) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function quadraticCurveTo(xa, ya, x, y) {
+      cmds.push({
+        cmd: "quadraticCurveTo",
+        args: [xa, ya, x, y]
+      });
+    }
+
+    var i = 0;
+    var numberOfContours = (code[i] << 24 | code[i + 1] << 16) >> 16;
+    var flags;
+    var x = 0,
+        y = 0;
+    i += 10;
+
+    if (numberOfContours < 0) {
+      do {
+        flags = code[i] << 8 | code[i + 1];
+        var glyphIndex = code[i + 2] << 8 | code[i + 3];
+        i += 4;
+        var arg1, arg2;
+
+        if (flags & 0x01) {
+          arg1 = (code[i] << 24 | code[i + 1] << 16) >> 16;
+          arg2 = (code[i + 2] << 24 | code[i + 3] << 16) >> 16;
+          i += 4;
+        } else {
+          arg1 = code[i++];
+          arg2 = code[i++];
+        }
+
+        if (flags & 0x02) {
+          x = arg1;
+          y = arg2;
+        } else {
+          x = 0;
+          y = 0;
+        }
+
+        var scaleX = 1,
+            scaleY = 1,
+            scale01 = 0,
+            scale10 = 0;
+
+        if (flags & 0x08) {
+          scaleX = scaleY = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          i += 2;
+        } else if (flags & 0x40) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scaleY = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          i += 4;
+        } else if (flags & 0x80) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scale01 = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          scale10 = (code[i + 4] << 24 | code[i + 5] << 16) / 1073741824;
+          scaleY = (code[i + 6] << 24 | code[i + 7] << 16) / 1073741824;
+          i += 8;
+        }
+
+        var subglyph = font.glyphs[glyphIndex];
+
+        if (subglyph) {
+          cmds.push({
+            cmd: "save"
+          });
+          cmds.push({
+            cmd: "transform",
+            args: [scaleX, scale01, scale10, scaleY, x, y]
+          });
+          compileGlyf(subglyph, cmds, font);
+          cmds.push({
+            cmd: "restore"
+          });
+        }
+      } while (flags & 0x20);
+    } else {
+      var endPtsOfContours = [];
+      var j, jj;
+
+      for (j = 0; j < numberOfContours; j++) {
+        endPtsOfContours.push(code[i] << 8 | code[i + 1]);
+        i += 2;
+      }
+
+      var instructionLength = code[i] << 8 | code[i + 1];
+      i += 2 + instructionLength;
+      var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1;
+      var points = [];
+
+      while (points.length < numberOfPoints) {
+        flags = code[i++];
+        var repeat = 1;
+
+        if (flags & 0x08) {
+          repeat += code[i++];
+        }
+
+        while (repeat-- > 0) {
+          points.push({
+            flags
+          });
+        }
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x12) {
+          case 0x00:
+            x += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x02:
+            x -= code[i++];
+            break;
+
+          case 0x12:
+            x += code[i++];
+            break;
+        }
+
+        points[j].x = x;
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x24) {
+          case 0x00:
+            y += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x04:
+            y -= code[i++];
+            break;
+
+          case 0x24:
+            y += code[i++];
+            break;
+        }
+
+        points[j].y = y;
+      }
+
+      var startPoint = 0;
+
+      for (i = 0; i < numberOfContours; i++) {
+        var endPoint = endPtsOfContours[i];
+        var contour = points.slice(startPoint, endPoint + 1);
+
+        if (contour[0].flags & 1) {
+          contour.push(contour[0]);
+        } else if (contour[contour.length - 1].flags & 1) {
+          contour.unshift(contour[contour.length - 1]);
+        } else {
+          var p = {
+            flags: 1,
+            x: (contour[0].x + contour[contour.length - 1].x) / 2,
+            y: (contour[0].y + contour[contour.length - 1].y) / 2
+          };
+          contour.unshift(p);
+          contour.push(p);
+        }
+
+        moveTo(contour[0].x, contour[0].y);
+
+        for (j = 1, jj = contour.length; j < jj; j++) {
+          if (contour[j].flags & 1) {
+            lineTo(contour[j].x, contour[j].y);
+          } else if (contour[j + 1].flags & 1) {
+            quadraticCurveTo(contour[j].x, contour[j].y, contour[j + 1].x, contour[j + 1].y);
+            j++;
+          } else {
+            quadraticCurveTo(contour[j].x, contour[j].y, (contour[j].x + contour[j + 1].x) / 2, (contour[j].y + contour[j + 1].y) / 2);
+          }
+        }
+
+        startPoint = endPoint + 1;
+      }
+    }
+  }
+
+  function compileCharString(charStringCode, cmds, font, glyphId) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function bezierCurveTo(x1, y1, x2, y2, x, y) {
+      cmds.push({
+        cmd: "bezierCurveTo",
+        args: [x1, y1, x2, y2, x, y]
+      });
+    }
+
+    var stack = [];
+    var x = 0,
+        y = 0;
+    var stems = 0;
+
+    function parse(code) {
+      var i = 0;
+
+      while (i < code.length) {
+        var stackClean = false;
+        var v = code[i++];
+        var xa, xb, ya, yb, y1, y2, y3, n, subrCode;
+
+        switch (v) {
+          case 1:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 3:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 4:
+            y += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 5:
+            while (stack.length > 0) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 6:
+            while (stack.length > 0) {
+              x += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 7:
+            while (stack.length > 0) {
+              y += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              x += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 8:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 10:
+            n = stack.pop();
+            subrCode = null;
+
+            if (font.isCFFCIDFont) {
+              const fdIndex = font.fdSelect.getFDIndex(glyphId);
+
+              if (fdIndex >= 0 && fdIndex < font.fdArray.length) {
+                const fontDict = font.fdArray[fdIndex];
+                let subrs;
+
+                if (fontDict.privateDict && fontDict.privateDict.subrsIndex) {
+                  subrs = fontDict.privateDict.subrsIndex.objects;
+                }
+
+                if (subrs) {
+                  n += getSubroutineBias(subrs);
+                  subrCode = subrs[n];
+                }
+              } else {
+                (0, _util.warn)("Invalid fd index for glyph index.");
+              }
+            } else {
+              subrCode = font.subrs[n + font.subrsBias];
+            }
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 11:
+            return;
+
+          case 12:
+            v = code[i++];
+
+            switch (v) {
+              case 34:
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y1 = y + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y, xb, y1, x, y1);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y, x, y);
+                break;
+
+              case 35:
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                stack.pop();
+                break;
+
+              case 36:
+                xa = x + stack.shift();
+                y1 = y + stack.shift();
+                xb = xa + stack.shift();
+                y2 = y1 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y2, x, y2);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y3 = y2 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y2, xb, y3, x, y);
+                break;
+
+              case 37:
+                var x0 = x,
+                    y0 = y;
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb;
+                y = yb;
+
+                if (Math.abs(x - x0) > Math.abs(y - y0)) {
+                  x += stack.shift();
+                } else {
+                  y += stack.shift();
+                }
+
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                break;
+
+              default:
+                throw new _util.FormatError(`unknown operator: 12 ${v}`);
+            }
+
+            break;
+
+          case 14:
+            if (stack.length >= 4) {
+              var achar = stack.pop();
+              var bchar = stack.pop();
+              y = stack.pop();
+              x = stack.pop();
+              cmds.push({
+                cmd: "save"
+              });
+              cmds.push({
+                cmd: "translate",
+                args: [x, y]
+              });
+              var cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[achar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+              cmds.push({
+                cmd: "restore"
+              });
+              cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[bchar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+            }
+
+            return;
+
+          case 18:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 19:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 20:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 21:
+            y += stack.pop();
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 22:
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 23:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 24:
+            while (stack.length > 2) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            x += stack.shift();
+            y += stack.shift();
+            lineTo(x, y);
+            break;
+
+          case 25:
+            while (stack.length > 6) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            xa = x + stack.shift();
+            ya = y + stack.shift();
+            xb = xa + stack.shift();
+            yb = ya + stack.shift();
+            x = xb + stack.shift();
+            y = yb + stack.shift();
+            bezierCurveTo(xa, ya, xb, yb, x, y);
+            break;
+
+          case 26:
+            if (stack.length % 2) {
+              x += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb;
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 27:
+            if (stack.length % 2) {
+              y += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb;
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 28:
+            stack.push((code[i] << 24 | code[i + 1] << 16) >> 16);
+            i += 2;
+            break;
+
+          case 29:
+            n = stack.pop() + font.gsubrsBias;
+            subrCode = font.gsubrs[n];
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 30:
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 31:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          default:
+            if (v < 32) {
+              throw new _util.FormatError(`unknown operator: ${v}`);
+            }
+
+            if (v < 247) {
+              stack.push(v - 139);
+            } else if (v < 251) {
+              stack.push((v - 247) * 256 + code[i++] + 108);
+            } else if (v < 255) {
+              stack.push(-(v - 251) * 256 - code[i++] - 108);
+            } else {
+              stack.push((code[i] << 24 | code[i + 1] << 16 | code[i + 2] << 8 | code[i + 3]) / 65536);
+              i += 4;
+            }
+
+            break;
+        }
+
+        if (stackClean) {
+          stack.length = 0;
+        }
+      }
+    }
+
+    parse(charStringCode);
+  }
+
+  const NOOP = [];
+
+  class CompiledFont {
+    constructor(fontMatrix) {
+      if (this.constructor === CompiledFont) {
+        (0, _util.unreachable)("Cannot initialize CompiledFont.");
+      }
+
+      this.fontMatrix = fontMatrix;
+      this.compiledGlyphs = Object.create(null);
+      this.compiledCharCodeToGlyphId = Object.create(null);
+    }
+
+    getPathJs(unicode) {
+      const cmap = lookupCmap(this.cmap, unicode);
+      let fn = this.compiledGlyphs[cmap.glyphId];
+
+      if (!fn) {
+        fn = this.compileGlyph(this.glyphs[cmap.glyphId], cmap.glyphId);
+        this.compiledGlyphs[cmap.glyphId] = fn;
+      }
+
+      if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) {
+        this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId;
+      }
+
+      return fn;
+    }
+
+    compileGlyph(code, glyphId) {
+      if (!code || code.length === 0 || code[0] === 14) {
+        return NOOP;
+      }
+
+      let fontMatrix = this.fontMatrix;
+
+      if (this.isCFFCIDFont) {
+        const fdIndex = this.fdSelect.getFDIndex(glyphId);
+
+        if (fdIndex >= 0 && fdIndex < this.fdArray.length) {
+          const fontDict = this.fdArray[fdIndex];
+          fontMatrix = fontDict.getByName("FontMatrix") || _util.FONT_IDENTITY_MATRIX;
+        } else {
+          (0, _util.warn)("Invalid fd index for glyph index.");
+        }
+      }
+
+      const cmds = [];
+      cmds.push({
+        cmd: "save"
+      });
+      cmds.push({
+        cmd: "transform",
+        args: fontMatrix.slice()
+      });
+      cmds.push({
+        cmd: "scale",
+        args: ["size", "-size"]
+      });
+      this.compileGlyphImpl(code, cmds, glyphId);
+      cmds.push({
+        cmd: "restore"
+      });
+      return cmds;
+    }
+
+    compileGlyphImpl() {
+      (0, _util.unreachable)("Children classes should implement this.");
+    }
+
+    hasBuiltPath(unicode) {
+      const cmap = lookupCmap(this.cmap, unicode);
+      return this.compiledGlyphs[cmap.glyphId] !== undefined && this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined;
+    }
+
+  }
+
+  class TrueTypeCompiled extends CompiledFont {
+    constructor(glyphs, cmap, fontMatrix) {
+      super(fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]);
+      this.glyphs = glyphs;
+      this.cmap = cmap;
+    }
+
+    compileGlyphImpl(code, cmds) {
+      compileGlyf(code, cmds, this);
+    }
+
+  }
+
+  class Type2Compiled extends CompiledFont {
+    constructor(cffInfo, cmap, fontMatrix, glyphNameMap) {
+      super(fontMatrix || [0.001, 0, 0, 0.001, 0, 0]);
+      this.glyphs = cffInfo.glyphs;
+      this.gsubrs = cffInfo.gsubrs || [];
+      this.subrs = cffInfo.subrs || [];
+      this.cmap = cmap;
+      this.glyphNameMap = glyphNameMap || (0, _glyphlist.getGlyphsUnicode)();
+      this.gsubrsBias = getSubroutineBias(this.gsubrs);
+      this.subrsBias = getSubroutineBias(this.subrs);
+      this.isCFFCIDFont = cffInfo.isCFFCIDFont;
+      this.fdSelect = cffInfo.fdSelect;
+      this.fdArray = cffInfo.fdArray;
+    }
+
+    compileGlyphImpl(code, cmds, glyphId) {
+      compileCharString(code, cmds, this, glyphId);
+    }
+
+  }
+
+  return {
+    create: function FontRendererFactory_create(font, seacAnalysisEnabled) {
+      var data = new Uint8Array(font.data);
+      var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm;
+      var numTables = getUshort(data, 4);
+
+      for (var i = 0, p = 12; i < numTables; i++, p += 16) {
+        var tag = (0, _util.bytesToString)(data.subarray(p, p + 4));
+        var offset = getLong(data, p + 8);
+        var length = getLong(data, p + 12);
+
+        switch (tag) {
+          case "cmap":
+            cmap = parseCmap(data, offset, offset + length);
+            break;
+
+          case "glyf":
+            glyf = data.subarray(offset, offset + length);
+            break;
+
+          case "loca":
+            loca = data.subarray(offset, offset + length);
+            break;
+
+          case "head":
+            unitsPerEm = getUshort(data, offset + 18);
+            indexToLocFormat = getUshort(data, offset + 50);
+            break;
+
+          case "CFF ":
+            cff = parseCff(data, offset, offset + length, seacAnalysisEnabled);
+            break;
+        }
+      }
+
+      if (glyf) {
+        var fontMatrix = !unitsPerEm ? font.fontMatrix : [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0];
+        return new TrueTypeCompiled(parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix);
+      }
+
+      return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap);
+    }
+  };
+}();
+
+exports.FontRendererFactory = FontRendererFactory;
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Type1Parser = void 0;
+
+var _encodings = __w_pdfjs_require__(33);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _util = __w_pdfjs_require__(2);
+
+var HINTING_ENABLED = false;
+
+var Type1CharString = function Type1CharStringClosure() {
+  var COMMAND_MAP = {
+    hstem: [1],
+    vstem: [3],
+    vmoveto: [4],
+    rlineto: [5],
+    hlineto: [6],
+    vlineto: [7],
+    rrcurveto: [8],
+    callsubr: [10],
+    flex: [12, 35],
+    drop: [12, 18],
+    endchar: [14],
+    rmoveto: [21],
+    hmoveto: [22],
+    vhcurveto: [30],
+    hvcurveto: [31]
+  };
+
+  function Type1CharString() {
+    this.width = 0;
+    this.lsb = 0;
+    this.flexing = false;
+    this.output = [];
+    this.stack = [];
+  }
+
+  Type1CharString.prototype = {
+    convert: function Type1CharString_convert(encoded, subrs, seacAnalysisEnabled) {
+      var count = encoded.length;
+      var error = false;
+      var wx, sbx, subrNumber;
+
+      for (var i = 0; i < count; i++) {
+        var value = encoded[i];
+
+        if (value < 32) {
+          if (value === 12) {
+            value = (value << 8) + encoded[++i];
+          }
+
+          switch (value) {
+            case 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case 3:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case 4:
+              if (this.flexing) {
+                if (this.stack.length < 1) {
+                  error = true;
+                  break;
+                }
+
+                var dy = this.stack.pop();
+                this.stack.push(0, dy);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.vmoveto);
+              break;
+
+            case 5:
+              error = this.executeCommand(2, COMMAND_MAP.rlineto);
+              break;
+
+            case 6:
+              error = this.executeCommand(1, COMMAND_MAP.hlineto);
+              break;
+
+            case 7:
+              error = this.executeCommand(1, COMMAND_MAP.vlineto);
+              break;
+
+            case 8:
+              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);
+              break;
+
+            case 9:
+              this.stack = [];
+              break;
+
+            case 10:
+              if (this.stack.length < 1) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+
+              if (!subrs[subrNumber]) {
+                error = true;
+                break;
+              }
+
+              error = this.convert(subrs[subrNumber], subrs, seacAnalysisEnabled);
+              break;
+
+            case 11:
+              return error;
+
+            case 13:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              wx = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx);
+              error = this.executeCommand(2, COMMAND_MAP.hmoveto);
+              break;
+
+            case 14:
+              this.output.push(COMMAND_MAP.endchar[0]);
+              break;
+
+            case 21:
+              if (this.flexing) {
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.rmoveto);
+              break;
+
+            case 22:
+              if (this.flexing) {
+                this.stack.push(0);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.hmoveto);
+              break;
+
+            case 30:
+              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);
+              break;
+
+            case 31:
+              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);
+              break;
+
+            case (12 << 8) + 0:
+              this.stack = [];
+              break;
+
+            case (12 << 8) + 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case (12 << 8) + 2:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case (12 << 8) + 6:
+              if (seacAnalysisEnabled) {
+                const asb = this.stack[this.stack.length - 5];
+                this.seac = this.stack.splice(-4, 4);
+                this.seac[0] += this.lsb - asb;
+                error = this.executeCommand(0, COMMAND_MAP.endchar);
+              } else {
+                error = this.executeCommand(4, COMMAND_MAP.endchar);
+              }
+
+              break;
+
+            case (12 << 8) + 7:
+              if (this.stack.length < 4) {
+                error = true;
+                break;
+              }
+
+              this.stack.pop();
+              wx = this.stack.pop();
+              var sby = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx, sby);
+              error = this.executeCommand(3, COMMAND_MAP.rmoveto);
+              break;
+
+            case (12 << 8) + 12:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              var num2 = this.stack.pop();
+              var num1 = this.stack.pop();
+              this.stack.push(num1 / num2);
+              break;
+
+            case (12 << 8) + 16:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+              var numArgs = this.stack.pop();
+
+              if (subrNumber === 0 && numArgs === 3) {
+                var flexArgs = this.stack.splice(this.stack.length - 17, 17);
+                this.stack.push(flexArgs[2] + flexArgs[0], flexArgs[3] + flexArgs[1], flexArgs[4], flexArgs[5], flexArgs[6], flexArgs[7], flexArgs[8], flexArgs[9], flexArgs[10], flexArgs[11], flexArgs[12], flexArgs[13], flexArgs[14]);
+                error = this.executeCommand(13, COMMAND_MAP.flex, true);
+                this.flexing = false;
+                this.stack.push(flexArgs[15], flexArgs[16]);
+              } else if (subrNumber === 1 && numArgs === 0) {
+                this.flexing = true;
+              }
+
+              break;
+
+            case (12 << 8) + 17:
+              break;
+
+            case (12 << 8) + 33:
+              this.stack = [];
+              break;
+
+            default:
+              (0, _util.warn)('Unknown type 1 charstring command of "' + value + '"');
+              break;
+          }
+
+          if (error) {
+            break;
+          }
+
+          continue;
+        } else if (value <= 246) {
+          value = value - 139;
+        } else if (value <= 250) {
+          value = (value - 247) * 256 + encoded[++i] + 108;
+        } else if (value <= 254) {
+          value = -((value - 251) * 256) - encoded[++i] - 108;
+        } else {
+          value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0;
+        }
+
+        this.stack.push(value);
+      }
+
+      return error;
+    },
+
+    executeCommand(howManyArgs, command, keepStack) {
+      var stackLength = this.stack.length;
+
+      if (howManyArgs > stackLength) {
+        return true;
+      }
+
+      var start = stackLength - howManyArgs;
+
+      for (var i = start; i < stackLength; i++) {
+        var value = this.stack[i];
+
+        if (Number.isInteger(value)) {
+          this.output.push(28, value >> 8 & 0xff, value & 0xff);
+        } else {
+          value = 65536 * value | 0;
+          this.output.push(255, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+        }
+      }
+
+      this.output.push.apply(this.output, command);
+
+      if (keepStack) {
+        this.stack.splice(start, howManyArgs);
+      } else {
+        this.stack.length = 0;
+      }
+
+      return false;
+    }
+
+  };
+  return Type1CharString;
+}();
+
+var Type1Parser = function Type1ParserClosure() {
+  var EEXEC_ENCRYPT_KEY = 55665;
+  var CHAR_STRS_ENCRYPT_KEY = 4330;
+
+  function isHexDigit(code) {
+    return code >= 48 && code <= 57 || code >= 65 && code <= 70 || code >= 97 && code <= 102;
+  }
+
+  function decrypt(data, key, discardNumber) {
+    if (discardNumber >= data.length) {
+      return new Uint8Array(0);
+    }
+
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719,
+        i,
+        j;
+
+    for (i = 0; i < discardNumber; i++) {
+      r = (data[i] + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    var count = data.length - discardNumber;
+    var decrypted = new Uint8Array(count);
+
+    for (i = discardNumber, j = 0; j < count; i++, j++) {
+      var value = data[i];
+      decrypted[j] = value ^ r >> 8;
+      r = (value + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    return decrypted;
+  }
+
+  function decryptAscii(data, key, discardNumber) {
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719;
+    var count = data.length,
+        maybeLength = count >>> 1;
+    var decrypted = new Uint8Array(maybeLength);
+    var i, j;
+
+    for (i = 0, j = 0; i < count; i++) {
+      var digit1 = data[i];
+
+      if (!isHexDigit(digit1)) {
+        continue;
+      }
+
+      i++;
+      var digit2;
+
+      while (i < count && !isHexDigit(digit2 = data[i])) {
+        i++;
+      }
+
+      if (i < count) {
+        var value = parseInt(String.fromCharCode(digit1, digit2), 16);
+        decrypted[j++] = value ^ r >> 8;
+        r = (value + r) * c1 + c2 & (1 << 16) - 1;
+      }
+    }
+
+    return decrypted.slice(discardNumber, j);
+  }
+
+  function isSpecial(c) {
+    return c === 0x2f || c === 0x5b || c === 0x5d || c === 0x7b || c === 0x7d || c === 0x28 || c === 0x29;
+  }
+
+  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {
+    if (encrypted) {
+      var data = stream.getBytes();
+      var isBinary = !((isHexDigit(data[0]) || (0, _core_utils.isWhiteSpace)(data[0])) && isHexDigit(data[1]) && isHexDigit(data[2]) && isHexDigit(data[3]) && isHexDigit(data[4]) && isHexDigit(data[5]) && isHexDigit(data[6]) && isHexDigit(data[7]));
+      stream = new _stream.Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4));
+    }
+
+    this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    this.stream = stream;
+    this.nextChar();
+  }
+
+  Type1Parser.prototype = {
+    readNumberArray: function Type1Parser_readNumberArray() {
+      this.getToken();
+      var array = [];
+
+      while (true) {
+        var token = this.getToken();
+
+        if (token === null || token === "]" || token === "}") {
+          break;
+        }
+
+        array.push(parseFloat(token || 0));
+      }
+
+      return array;
+    },
+    readNumber: function Type1Parser_readNumber() {
+      var token = this.getToken();
+      return parseFloat(token || 0);
+    },
+    readInt: function Type1Parser_readInt() {
+      var token = this.getToken();
+      return parseInt(token || 0, 10) | 0;
+    },
+    readBoolean: function Type1Parser_readBoolean() {
+      var token = this.getToken();
+      return token === "true" ? 1 : 0;
+    },
+    nextChar: function Type1_nextChar() {
+      return this.currentChar = this.stream.getByte();
+    },
+    getToken: function Type1Parser_getToken() {
+      var comment = false;
+      var ch = this.currentChar;
+
+      while (true) {
+        if (ch === -1) {
+          return null;
+        }
+
+        if (comment) {
+          if (ch === 0x0a || ch === 0x0d) {
+            comment = false;
+          }
+        } else if (ch === 0x25) {
+          comment = true;
+        } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+
+      if (isSpecial(ch)) {
+        this.nextChar();
+        return String.fromCharCode(ch);
+      }
+
+      var token = "";
+
+      do {
+        token += String.fromCharCode(ch);
+        ch = this.nextChar();
+      } while (ch >= 0 && !(0, _core_utils.isWhiteSpace)(ch) && !isSpecial(ch));
+
+      return token;
+    },
+    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {
+      if (lenIV === -1) {
+        return bytes;
+      }
+
+      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);
+    },
+    extractFontProgram: function Type1Parser_extractFontProgram(properties) {
+      var stream = this.stream;
+      var subrs = [],
+          charstrings = [];
+      var privateData = Object.create(null);
+      privateData.lenIV = 4;
+      var program = {
+        subrs: [],
+        charstrings: [],
+        properties: {
+          privateData
+        }
+      };
+      var token, length, data, lenIV, encoded;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "CharStrings":
+            this.getToken();
+            this.getToken();
+            this.getToken();
+            this.getToken();
+
+            while (true) {
+              token = this.getToken();
+
+              if (token === null || token === "end") {
+                break;
+              }
+
+              if (token !== "/") {
+                continue;
+              }
+
+              var glyph = this.getToken();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              charstrings.push({
+                glyph,
+                encoded
+              });
+            }
+
+            break;
+
+          case "Subrs":
+            this.readInt();
+            this.getToken();
+
+            while (this.getToken() === "dup") {
+              const index = this.readInt();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              subrs[index] = encoded;
+            }
+
+            break;
+
+          case "BlueValues":
+          case "OtherBlues":
+          case "FamilyBlues":
+          case "FamilyOtherBlues":
+            var blueArray = this.readNumberArray();
+
+            if (blueArray.length > 0 && blueArray.length % 2 === 0 && HINTING_ENABLED) {
+              program.properties.privateData[token] = blueArray;
+            }
+
+            break;
+
+          case "StemSnapH":
+          case "StemSnapV":
+            program.properties.privateData[token] = this.readNumberArray();
+            break;
+
+          case "StdHW":
+          case "StdVW":
+            program.properties.privateData[token] = this.readNumberArray()[0];
+            break;
+
+          case "BlueShift":
+          case "lenIV":
+          case "BlueFuzz":
+          case "BlueScale":
+          case "LanguageGroup":
+          case "ExpansionFactor":
+            program.properties.privateData[token] = this.readNumber();
+            break;
+
+          case "ForceBold":
+            program.properties.privateData[token] = this.readBoolean();
+            break;
+        }
+      }
+
+      for (var i = 0; i < charstrings.length; i++) {
+        glyph = charstrings[i].glyph;
+        encoded = charstrings[i].encoded;
+        var charString = new Type1CharString();
+        var error = charString.convert(encoded, subrs, this.seacAnalysisEnabled);
+        var output = charString.output;
+
+        if (error) {
+          output = [14];
+        }
+
+        const charStringObject = {
+          glyphName: glyph,
+          charstring: output,
+          width: charString.width,
+          lsb: charString.lsb,
+          seac: charString.seac
+        };
+
+        if (glyph === ".notdef") {
+          program.charstrings.unshift(charStringObject);
+        } else {
+          program.charstrings.push(charStringObject);
+        }
+
+        if (properties.builtInEncoding) {
+          const index = properties.builtInEncoding.indexOf(glyph);
+
+          if (index > -1 && properties.widths[index] === undefined && index >= properties.firstChar && index <= properties.lastChar) {
+            properties.widths[index] = charString.width;
+          }
+        }
+      }
+
+      return program;
+    },
+    extractFontHeader: function Type1Parser_extractFontHeader(properties) {
+      var token;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "FontMatrix":
+            var matrix = this.readNumberArray();
+            properties.fontMatrix = matrix;
+            break;
+
+          case "Encoding":
+            var encodingArg = this.getToken();
+            var encoding;
+
+            if (!/^\d+$/.test(encodingArg)) {
+              encoding = (0, _encodings.getEncoding)(encodingArg);
+            } else {
+              encoding = [];
+              var size = parseInt(encodingArg, 10) | 0;
+              this.getToken();
+
+              for (var j = 0; j < size; j++) {
+                token = this.getToken();
+
+                while (token !== "dup" && token !== "def") {
+                  token = this.getToken();
+
+                  if (token === null) {
+                    return;
+                  }
+                }
+
+                if (token === "def") {
+                  break;
+                }
+
+                var index = this.readInt();
+                this.getToken();
+                var glyph = this.getToken();
+                encoding[index] = glyph;
+                this.getToken();
+              }
+            }
+
+            properties.builtInEncoding = encoding;
+            break;
+
+          case "FontBBox":
+            var fontBBox = this.readNumberArray();
+            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+            properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+            properties.ascentScaled = true;
+            break;
+        }
+      }
+    }
+  };
+  return Type1Parser;
+}();
+
+exports.Type1Parser = Type1Parser;
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getTilingPatternIR = getTilingPatternIR;
+exports.Pattern = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _colorspace = __w_pdfjs_require__(23);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var ShadingType = {
+  FUNCTION_BASED: 1,
+  AXIAL: 2,
+  RADIAL: 3,
+  FREE_FORM_MESH: 4,
+  LATTICE_FORM_MESH: 5,
+  COONS_PATCH_MESH: 6,
+  TENSOR_PATCH_MESH: 7
+};
+
+var Pattern = function PatternClosure() {
+  function Pattern() {
+    (0, _util.unreachable)("should not call Pattern constructor");
+  }
+
+  Pattern.prototype = {
+    getPattern: function Pattern_getPattern(ctx) {
+      (0, _util.unreachable)(`Should not call Pattern.getStyle: ${ctx}`);
+    }
+  };
+
+  Pattern.parseShading = function (shading, matrix, xref, res, handler, pdfFunctionFactory, localColorSpaceCache) {
+    var dict = (0, _primitives.isStream)(shading) ? shading.dict : shading;
+    var type = dict.get("ShadingType");
+
+    try {
+      switch (type) {
+        case ShadingType.AXIAL:
+        case ShadingType.RADIAL:
+          return new Shadings.RadialAxial(dict, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        case ShadingType.FREE_FORM_MESH:
+        case ShadingType.LATTICE_FORM_MESH:
+        case ShadingType.COONS_PATCH_MESH:
+        case ShadingType.TENSOR_PATCH_MESH:
+          return new Shadings.Mesh(shading, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        default:
+          throw new _util.FormatError("Unsupported ShadingType: " + type);
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.shadingPattern
+      });
+      (0, _util.warn)(ex);
+      return new Shadings.Dummy();
+    }
+  };
+
+  return Pattern;
+}();
+
+exports.Pattern = Pattern;
+var Shadings = {};
+Shadings.SMALL_NUMBER = 1e-6;
+
+Shadings.RadialAxial = function RadialAxialClosure() {
+  function RadialAxial(dict, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    this.matrix = matrix;
+    this.coordsArr = dict.getArray("Coords");
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+
+    const cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref,
+      resources,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+
+    this.cs = cs;
+    const bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    var t0 = 0.0,
+        t1 = 1.0;
+
+    if (dict.has("Domain")) {
+      var domainArr = dict.getArray("Domain");
+      t0 = domainArr[0];
+      t1 = domainArr[1];
+    }
+
+    var extendStart = false,
+        extendEnd = false;
+
+    if (dict.has("Extend")) {
+      var extendArr = dict.getArray("Extend");
+      extendStart = extendArr[0];
+      extendEnd = extendArr[1];
+    }
+
+    if (this.shadingType === ShadingType.RADIAL && (!extendStart || !extendEnd)) {
+      var x1 = this.coordsArr[0];
+      var y1 = this.coordsArr[1];
+      var r1 = this.coordsArr[2];
+      var x2 = this.coordsArr[3];
+      var y2 = this.coordsArr[4];
+      var r2 = this.coordsArr[5];
+      var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
+
+      if (r1 <= r2 + distance && r2 <= r1 + distance) {
+        (0, _util.warn)("Unsupported radial gradient.");
+      }
+    }
+
+    this.extendStart = extendStart;
+    this.extendEnd = extendEnd;
+    var fnObj = dict.getRaw("Function");
+    var fn = pdfFunctionFactory.createFromArray(fnObj);
+    const NUMBER_OF_SAMPLES = 10;
+    const step = (t1 - t0) / NUMBER_OF_SAMPLES;
+    var colorStops = this.colorStops = [];
+
+    if (t0 >= t1 || step <= 0) {
+      (0, _util.info)("Bad shading domain.");
+      return;
+    }
+
+    var color = new Float32Array(cs.numComps),
+        ratio = new Float32Array(1);
+    var rgbColor;
+
+    for (let i = 0; i <= NUMBER_OF_SAMPLES; i++) {
+      ratio[0] = t0 + i * step;
+      fn(ratio, 0, color, 0);
+      rgbColor = cs.getRgb(color, 0);
+
+      var cssColor = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+
+      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);
+    }
+
+    var background = "transparent";
+
+    if (dict.has("Background")) {
+      rgbColor = cs.getRgb(dict.get("Background"), 0);
+      background = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+    }
+
+    if (!extendStart) {
+      colorStops.unshift([0, background]);
+      colorStops[1][0] += Shadings.SMALL_NUMBER;
+    }
+
+    if (!extendEnd) {
+      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;
+      colorStops.push([1, background]);
+    }
+
+    this.colorStops = colorStops;
+  }
+
+  RadialAxial.prototype = {
+    getIR: function RadialAxial_getIR() {
+      var coordsArr = this.coordsArr;
+      var shadingType = this.shadingType;
+      var type, p0, p1, r0, r1;
+
+      if (shadingType === ShadingType.AXIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[2], coordsArr[3]];
+        r0 = null;
+        r1 = null;
+        type = "axial";
+      } else if (shadingType === ShadingType.RADIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[3], coordsArr[4]];
+        r0 = coordsArr[2];
+        r1 = coordsArr[5];
+        type = "radial";
+      } else {
+        (0, _util.unreachable)(`getPattern type unknown: ${shadingType}`);
+      }
+
+      var matrix = this.matrix;
+
+      if (matrix) {
+        p0 = _util.Util.applyTransform(p0, matrix);
+        p1 = _util.Util.applyTransform(p1, matrix);
+
+        if (shadingType === ShadingType.RADIAL) {
+          var scale = _util.Util.singularValueDecompose2dScale(matrix);
+
+          r0 *= scale[0];
+          r1 *= scale[1];
+        }
+      }
+
+      return ["RadialAxial", type, this.bbox, this.colorStops, p0, p1, r0, r1];
+    }
+  };
+  return RadialAxial;
+}();
+
+Shadings.Mesh = function MeshClosure() {
+  function MeshStreamReader(stream, context) {
+    this.stream = stream;
+    this.context = context;
+    this.buffer = 0;
+    this.bufferLength = 0;
+    var numComps = context.numComps;
+    this.tmpCompsBuf = new Float32Array(numComps);
+    var csNumComps = context.colorSpace.numComps;
+    this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : this.tmpCompsBuf;
+  }
+
+  MeshStreamReader.prototype = {
+    get hasData() {
+      if (this.stream.end) {
+        return this.stream.pos < this.stream.end;
+      }
+
+      if (this.bufferLength > 0) {
+        return true;
+      }
+
+      var nextByte = this.stream.getByte();
+
+      if (nextByte < 0) {
+        return false;
+      }
+
+      this.buffer = nextByte;
+      this.bufferLength = 8;
+      return true;
+    },
+
+    readBits: function MeshStreamReader_readBits(n) {
+      var buffer = this.buffer;
+      var bufferLength = this.bufferLength;
+
+      if (n === 32) {
+        if (bufferLength === 0) {
+          return (this.stream.getByte() << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte()) >>> 0;
+        }
+
+        buffer = buffer << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte();
+        var nextByte = this.stream.getByte();
+        this.buffer = nextByte & (1 << bufferLength) - 1;
+        return (buffer << 8 - bufferLength | (nextByte & 0xff) >> bufferLength) >>> 0;
+      }
+
+      if (n === 8 && bufferLength === 0) {
+        return this.stream.getByte();
+      }
+
+      while (bufferLength < n) {
+        buffer = buffer << 8 | this.stream.getByte();
+        bufferLength += 8;
+      }
+
+      bufferLength -= n;
+      this.bufferLength = bufferLength;
+      this.buffer = buffer & (1 << bufferLength) - 1;
+      return buffer >> bufferLength;
+    },
+    align: function MeshStreamReader_align() {
+      this.buffer = 0;
+      this.bufferLength = 0;
+    },
+    readFlag: function MeshStreamReader_readFlag() {
+      return this.readBits(this.context.bitsPerFlag);
+    },
+    readCoordinate: function MeshStreamReader_readCoordinate() {
+      var bitsPerCoordinate = this.context.bitsPerCoordinate;
+      var xi = this.readBits(bitsPerCoordinate);
+      var yi = this.readBits(bitsPerCoordinate);
+      var decode = this.context.decode;
+      var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : 2.3283064365386963e-10;
+      return [xi * scale * (decode[1] - decode[0]) + decode[0], yi * scale * (decode[3] - decode[2]) + decode[2]];
+    },
+    readComponents: function MeshStreamReader_readComponents() {
+      var numComps = this.context.numComps;
+      var bitsPerComponent = this.context.bitsPerComponent;
+      var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : 2.3283064365386963e-10;
+      var decode = this.context.decode;
+      var components = this.tmpCompsBuf;
+
+      for (var i = 0, j = 4; i < numComps; i++, j += 2) {
+        var ci = this.readBits(bitsPerComponent);
+        components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j];
+      }
+
+      var color = this.tmpCsCompsBuf;
+
+      if (this.context.colorFn) {
+        this.context.colorFn(components, 0, color, 0);
+      }
+
+      return this.context.colorSpace.getRgb(color, 0);
+    }
+  };
+
+  function decodeType4Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var operators = [];
+    var ps = [];
+    var verticesLeft = 0;
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+
+      if (verticesLeft === 0) {
+        if (!(0 <= f && f <= 2)) {
+          throw new _util.FormatError("Unknown type4 flag");
+        }
+
+        switch (f) {
+          case 0:
+            verticesLeft = 3;
+            break;
+
+          case 1:
+            ps.push(ps[ps.length - 2], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+
+          case 2:
+            ps.push(ps[ps.length - 3], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+        }
+
+        operators.push(f);
+      }
+
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+      verticesLeft--;
+      reader.align();
+    }
+
+    mesh.figures.push({
+      type: "triangles",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps)
+    });
+  }
+
+  function decodeType5Shading(mesh, reader, verticesPerRow) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = [];
+
+    while (reader.hasData) {
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+    }
+
+    mesh.figures.push({
+      type: "lattice",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps),
+      verticesPerRow
+    });
+  }
+
+  var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3;
+  var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20;
+  var TRIANGLE_DENSITY = 20;
+
+  var getB = function getBClosure() {
+    function buildB(count) {
+      var lut = [];
+
+      for (var i = 0; i <= count; i++) {
+        var t = i / count,
+            t_ = 1 - t;
+        lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, 3 * t * t * t_, t * t * t]));
+      }
+
+      return lut;
+    }
+
+    var cache = [];
+    return function getB(count) {
+      if (!cache[count]) {
+        cache[count] = buildB(count);
+      }
+
+      return cache[count];
+    };
+  }();
+
+  function buildFigureFromPatch(mesh, index) {
+    var figure = mesh.figures[index];
+    (0, _util.assert)(figure.type === "patch", "Unexpected patch mesh figure");
+    var coords = mesh.coords,
+        colors = mesh.colors;
+    var pi = figure.coords;
+    var ci = figure.colors;
+    var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / (mesh.bounds[2] - mesh.bounds[0]));
+    splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy));
+    var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / (mesh.bounds[3] - mesh.bounds[1]));
+    splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy));
+    var verticesPerRow = splitXBy + 1;
+    var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var k = 0;
+    var cl = new Uint8Array(3),
+        cr = new Uint8Array(3);
+    var c0 = colors[ci[0]],
+        c1 = colors[ci[1]],
+        c2 = colors[ci[2]],
+        c3 = colors[ci[3]];
+    var bRow = getB(splitYBy),
+        bCol = getB(splitXBy);
+
+    for (var row = 0; row <= splitYBy; row++) {
+      cl[0] = (c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy | 0;
+      cl[1] = (c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy | 0;
+      cl[2] = (c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy | 0;
+      cr[0] = (c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy | 0;
+      cr[1] = (c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy | 0;
+      cr[2] = (c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy | 0;
+
+      for (var col = 0; col <= splitXBy; col++, k++) {
+        if ((row === 0 || row === splitYBy) && (col === 0 || col === splitXBy)) {
+          continue;
+        }
+
+        var x = 0,
+            y = 0;
+        var q = 0;
+
+        for (var i = 0; i <= 3; i++) {
+          for (var j = 0; j <= 3; j++, q++) {
+            var m = bRow[row][i] * bCol[col][j];
+            x += coords[pi[q]][0] * m;
+            y += coords[pi[q]][1] * m;
+          }
+        }
+
+        figureCoords[k] = coords.length;
+        coords.push([x, y]);
+        figureColors[k] = colors.length;
+        var newColor = new Uint8Array(3);
+        newColor[0] = (cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy | 0;
+        newColor[1] = (cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy | 0;
+        newColor[2] = (cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy | 0;
+        colors.push(newColor);
+      }
+    }
+
+    figureCoords[0] = pi[0];
+    figureColors[0] = ci[0];
+    figureCoords[splitXBy] = pi[3];
+    figureColors[splitXBy] = ci[1];
+    figureCoords[verticesPerRow * splitYBy] = pi[12];
+    figureColors[verticesPerRow * splitYBy] = ci[2];
+    figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15];
+    figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3];
+    mesh.figures[index] = {
+      type: "lattice",
+      coords: figureCoords,
+      colors: figureColors,
+      verticesPerRow
+    };
+  }
+
+  function decodeType6Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type6 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      ps[5] = coords.length;
+      coords.push([(-4 * coords[ps[0]][0] - coords[ps[15]][0] + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, (-4 * coords[ps[0]][1] - coords[ps[15]][1] + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9]);
+      ps[6] = coords.length;
+      coords.push([(-4 * coords[ps[3]][0] - coords[ps[12]][0] + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, (-4 * coords[ps[3]][1] - coords[ps[12]][1] + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9]);
+      ps[9] = coords.length;
+      coords.push([(-4 * coords[ps[12]][0] - coords[ps[3]][0] + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, (-4 * coords[ps[12]][1] - coords[ps[3]][1] + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9]);
+      ps[10] = coords.length;
+      coords.push([(-4 * coords[ps[15]][0] - coords[ps[0]][0] + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, (-4 * coords[ps[15]][1] - coords[ps[0]][1] + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9]);
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function decodeType7Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type7 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[9] = pi + 13;
+          ps[10] = pi + 14;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[5] = pi + 12;
+          ps[6] = pi + 15;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function updateBounds(mesh) {
+    var minX = mesh.coords[0][0],
+        minY = mesh.coords[0][1],
+        maxX = minX,
+        maxY = minY;
+
+    for (var i = 1, ii = mesh.coords.length; i < ii; i++) {
+      var x = mesh.coords[i][0],
+          y = mesh.coords[i][1];
+      minX = minX > x ? x : minX;
+      minY = minY > y ? y : minY;
+      maxX = maxX < x ? x : maxX;
+      maxY = maxY < y ? y : maxY;
+    }
+
+    mesh.bounds = [minX, minY, maxX, maxY];
+  }
+
+  function packData(mesh) {
+    var i, ii, j, jj;
+    var coords = mesh.coords;
+    var coordsPacked = new Float32Array(coords.length * 2);
+
+    for (i = 0, j = 0, ii = coords.length; i < ii; i++) {
+      var xy = coords[i];
+      coordsPacked[j++] = xy[0];
+      coordsPacked[j++] = xy[1];
+    }
+
+    mesh.coords = coordsPacked;
+    var colors = mesh.colors;
+    var colorsPacked = new Uint8Array(colors.length * 3);
+
+    for (i = 0, j = 0, ii = colors.length; i < ii; i++) {
+      var c = colors[i];
+      colorsPacked[j++] = c[0];
+      colorsPacked[j++] = c[1];
+      colorsPacked[j++] = c[2];
+    }
+
+    mesh.colors = colorsPacked;
+    var figures = mesh.figures;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      for (j = 0, jj = ps.length; j < jj; j++) {
+        ps[j] *= 2;
+        cs[j] *= 3;
+      }
+    }
+  }
+
+  function Mesh(stream, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    if (!(0, _primitives.isStream)(stream)) {
+      throw new _util.FormatError("Mesh data is not a stream");
+    }
+
+    var dict = stream.dict;
+    this.matrix = matrix;
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+    const bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    const cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref,
+      resources,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+
+    this.cs = cs;
+    this.background = dict.has("Background") ? cs.getRgb(dict.get("Background"), 0) : null;
+    var fnObj = dict.getRaw("Function");
+    var fn = fnObj ? pdfFunctionFactory.createFromArray(fnObj) : null;
+    this.coords = [];
+    this.colors = [];
+    this.figures = [];
+    var decodeContext = {
+      bitsPerCoordinate: dict.get("BitsPerCoordinate"),
+      bitsPerComponent: dict.get("BitsPerComponent"),
+      bitsPerFlag: dict.get("BitsPerFlag"),
+      decode: dict.getArray("Decode"),
+      colorFn: fn,
+      colorSpace: cs,
+      numComps: fn ? 1 : cs.numComps
+    };
+    var reader = new MeshStreamReader(stream, decodeContext);
+    var patchMesh = false;
+
+    switch (this.shadingType) {
+      case ShadingType.FREE_FORM_MESH:
+        decodeType4Shading(this, reader);
+        break;
+
+      case ShadingType.LATTICE_FORM_MESH:
+        var verticesPerRow = dict.get("VerticesPerRow") | 0;
+
+        if (verticesPerRow < 2) {
+          throw new _util.FormatError("Invalid VerticesPerRow");
+        }
+
+        decodeType5Shading(this, reader, verticesPerRow);
+        break;
+
+      case ShadingType.COONS_PATCH_MESH:
+        decodeType6Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      case ShadingType.TENSOR_PATCH_MESH:
+        decodeType7Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      default:
+        (0, _util.unreachable)("Unsupported mesh type.");
+        break;
+    }
+
+    if (patchMesh) {
+      updateBounds(this);
+
+      for (var i = 0, ii = this.figures.length; i < ii; i++) {
+        buildFigureFromPatch(this, i);
+      }
+    }
+
+    updateBounds(this);
+    packData(this);
+  }
+
+  Mesh.prototype = {
+    getIR: function Mesh_getIR() {
+      return ["Mesh", this.shadingType, this.coords, this.colors, this.figures, this.bounds, this.matrix, this.bbox, this.background];
+    }
+  };
+  return Mesh;
+}();
+
+Shadings.Dummy = function DummyClosure() {
+  function Dummy() {
+    this.type = "Pattern";
+  }
+
+  Dummy.prototype = {
+    getIR: function Dummy_getIR() {
+      return ["Dummy"];
+    }
+  };
+  return Dummy;
+}();
+
+function getTilingPatternIR(operatorList, dict, args) {
+  const matrix = dict.getArray("Matrix");
+
+  const bbox = _util.Util.normalizeRect(dict.getArray("BBox"));
+
+  const xstep = dict.get("XStep");
+  const ystep = dict.get("YStep");
+  const paintType = dict.get("PaintType");
+  const tilingType = dict.get("TilingType");
+
+  if (bbox[2] - bbox[0] === 0 || bbox[3] - bbox[1] === 0) {
+    throw new _util.FormatError(`Invalid getTilingPatternIR /BBox array: [${bbox}].`);
+  }
+
+  return ["TilingPattern", args, operatorList, matrix, bbox, xstep, ystep, paintType, tilingType];
+}
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isPDFFunction = isPDFFunction;
+exports.PostScriptCompiler = exports.PostScriptEvaluator = exports.PDFFunctionFactory = void 0;
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _util = __w_pdfjs_require__(2);
+
+var _ps_parser = __w_pdfjs_require__(41);
+
+var _image_utils = __w_pdfjs_require__(24);
+
+class PDFFunctionFactory {
+  constructor({
+    xref,
+    isEvalSupported = true
+  }) {
+    this.xref = xref;
+    this.isEvalSupported = isEvalSupported !== false;
+    this._localFunctionCache = null;
+  }
+
+  create(fn) {
+    const cachedFunction = this.getCached(fn);
+
+    if (cachedFunction) {
+      return cachedFunction;
+    }
+
+    const parsedFunction = PDFFunction.parse({
+      xref: this.xref,
+      isEvalSupported: this.isEvalSupported,
+      fn: fn instanceof _primitives.Ref ? this.xref.fetch(fn) : fn
+    });
+
+    this._cache(fn, parsedFunction);
+
+    return parsedFunction;
+  }
+
+  createFromArray(fnObj) {
+    const cachedFunction = this.getCached(fnObj);
+
+    if (cachedFunction) {
+      return cachedFunction;
+    }
+
+    const parsedFunction = PDFFunction.parseArray({
+      xref: this.xref,
+      isEvalSupported: this.isEvalSupported,
+      fnObj: fnObj instanceof _primitives.Ref ? this.xref.fetch(fnObj) : fnObj
+    });
+
+    this._cache(fnObj, parsedFunction);
+
+    return parsedFunction;
+  }
+
+  getCached(cacheKey) {
+    let fnRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      fnRef = cacheKey;
+    } else if (cacheKey instanceof _primitives.Dict) {
+      fnRef = cacheKey.objId;
+    } else if ((0, _primitives.isStream)(cacheKey)) {
+      fnRef = cacheKey.dict && cacheKey.dict.objId;
+    }
+
+    if (fnRef) {
+      if (!this._localFunctionCache) {
+        this._localFunctionCache = new _image_utils.LocalFunctionCache();
+      }
+
+      const localFunction = this._localFunctionCache.getByRef(fnRef);
+
+      if (localFunction) {
+        return localFunction;
+      }
+    }
+
+    return null;
+  }
+
+  _cache(cacheKey, parsedFunction) {
+    if (!parsedFunction) {
+      throw new Error('PDFFunctionFactory._cache - expected "parsedFunction" argument.');
+    }
+
+    let fnRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      fnRef = cacheKey;
+    } else if (cacheKey instanceof _primitives.Dict) {
+      fnRef = cacheKey.objId;
+    } else if ((0, _primitives.isStream)(cacheKey)) {
+      fnRef = cacheKey.dict && cacheKey.dict.objId;
+    }
+
+    if (fnRef) {
+      if (!this._localFunctionCache) {
+        this._localFunctionCache = new _image_utils.LocalFunctionCache();
+      }
+
+      this._localFunctionCache.set(null, fnRef, parsedFunction);
+    }
+  }
+
+}
+
+exports.PDFFunctionFactory = PDFFunctionFactory;
+
+function toNumberArray(arr) {
+  if (!Array.isArray(arr)) {
+    return null;
+  }
+
+  const length = arr.length;
+
+  for (let i = 0; i < length; i++) {
+    if (typeof arr[i] !== "number") {
+      const result = new Array(length);
+
+      for (let j = 0; j < length; j++) {
+        result[j] = +arr[j];
+      }
+
+      return result;
+    }
+  }
+
+  return arr;
+}
+
+var PDFFunction = function PDFFunctionClosure() {
+  const CONSTRUCT_SAMPLED = 0;
+  const CONSTRUCT_INTERPOLATED = 2;
+  const CONSTRUCT_STICHED = 3;
+  const CONSTRUCT_POSTSCRIPT = 4;
+  return {
+    getSampleArray(size, outputSize, bps, stream) {
+      var i, ii;
+      var length = 1;
+
+      for (i = 0, ii = size.length; i < ii; i++) {
+        length *= size[i];
+      }
+
+      length *= outputSize;
+      var array = new Array(length);
+      var codeSize = 0;
+      var codeBuf = 0;
+      var sampleMul = 1.0 / (2.0 ** bps - 1);
+      var strBytes = stream.getBytes((length * bps + 7) / 8);
+      var strIdx = 0;
+
+      for (i = 0; i < length; i++) {
+        while (codeSize < bps) {
+          codeBuf <<= 8;
+          codeBuf |= strBytes[strIdx++];
+          codeSize += 8;
+        }
+
+        codeSize -= bps;
+        array[i] = (codeBuf >> codeSize) * sampleMul;
+        codeBuf &= (1 << codeSize) - 1;
+      }
+
+      return array;
+    },
+
+    getIR({
+      xref,
+      isEvalSupported,
+      fn
+    }) {
+      var dict = fn.dict;
+
+      if (!dict) {
+        dict = fn;
+      }
+
+      var types = [this.constructSampled, null, this.constructInterpolated, this.constructStiched, this.constructPostScript];
+      var typeNum = dict.get("FunctionType");
+      var typeFn = types[typeNum];
+
+      if (!typeFn) {
+        throw new _util.FormatError("Unknown type of function");
+      }
+
+      return typeFn.call(this, {
+        xref,
+        isEvalSupported,
+        fn,
+        dict
+      });
+    },
+
+    fromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var type = IR[0];
+
+      switch (type) {
+        case CONSTRUCT_SAMPLED:
+          return this.constructSampledFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        case CONSTRUCT_INTERPOLATED:
+          return this.constructInterpolatedFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        case CONSTRUCT_STICHED:
+          return this.constructStichedFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        default:
+          return this.constructPostScriptFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+      }
+    },
+
+    parse({
+      xref,
+      isEvalSupported,
+      fn
+    }) {
+      const IR = this.getIR({
+        xref,
+        isEvalSupported,
+        fn
+      });
+      return this.fromIR({
+        xref,
+        isEvalSupported,
+        IR
+      });
+    },
+
+    parseArray({
+      xref,
+      isEvalSupported,
+      fnObj
+    }) {
+      if (!Array.isArray(fnObj)) {
+        return this.parse({
+          xref,
+          isEvalSupported,
+          fn: fnObj
+        });
+      }
+
+      var fnArray = [];
+
+      for (var j = 0, jj = fnObj.length; j < jj; j++) {
+        fnArray.push(this.parse({
+          xref,
+          isEvalSupported,
+          fn: xref.fetchIfRef(fnObj[j])
+        }));
+      }
+
+      return function (src, srcOffset, dest, destOffset) {
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          fnArray[i](src, srcOffset, dest, destOffset + i);
+        }
+      };
+    },
+
+    constructSampled({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      function toMultiArray(arr) {
+        var inputLength = arr.length;
+        var out = [];
+        var index = 0;
+
+        for (var i = 0; i < inputLength; i += 2) {
+          out[index] = [arr[i], arr[i + 1]];
+          ++index;
+        }
+
+        return out;
+      }
+
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain || !range) {
+        throw new _util.FormatError("No domain or range");
+      }
+
+      var inputSize = domain.length / 2;
+      var outputSize = range.length / 2;
+      domain = toMultiArray(domain);
+      range = toMultiArray(range);
+      var size = toNumberArray(dict.getArray("Size"));
+      var bps = dict.get("BitsPerSample");
+      var order = dict.get("Order") || 1;
+
+      if (order !== 1) {
+        (0, _util.info)("No support for cubic spline interpolation: " + order);
+      }
+
+      var encode = toNumberArray(dict.getArray("Encode"));
+
+      if (!encode) {
+        encode = [];
+
+        for (var i = 0; i < inputSize; ++i) {
+          encode.push([0, size[i] - 1]);
+        }
+      } else {
+        encode = toMultiArray(encode);
+      }
+
+      var decode = toNumberArray(dict.getArray("Decode"));
+
+      if (!decode) {
+        decode = range;
+      } else {
+        decode = toMultiArray(decode);
+      }
+
+      var samples = this.getSampleArray(size, outputSize, bps, fn);
+      return [CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, outputSize, 2 ** bps - 1, range];
+    },
+
+    constructSampledFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      function interpolate(x, xmin, xmax, ymin, ymax) {
+        return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin));
+      }
+
+      return function constructSampledFromIRResult(src, srcOffset, dest, destOffset) {
+        var m = IR[1];
+        var domain = IR[2];
+        var encode = IR[3];
+        var decode = IR[4];
+        var samples = IR[5];
+        var size = IR[6];
+        var n = IR[7];
+        var range = IR[9];
+        var cubeVertices = 1 << m;
+        var cubeN = new Float64Array(cubeVertices);
+        var cubeVertex = new Uint32Array(cubeVertices);
+        var i, j;
+
+        for (j = 0; j < cubeVertices; j++) {
+          cubeN[j] = 1;
+        }
+
+        var k = n,
+            pos = 1;
+
+        for (i = 0; i < m; ++i) {
+          var domain_2i = domain[i][0];
+          var domain_2i_1 = domain[i][1];
+          var xi = Math.min(Math.max(src[srcOffset + i], domain_2i), domain_2i_1);
+          var e = interpolate(xi, domain_2i, domain_2i_1, encode[i][0], encode[i][1]);
+          var size_i = size[i];
+          e = Math.min(Math.max(e, 0), size_i - 1);
+          var e0 = e < size_i - 1 ? Math.floor(e) : e - 1;
+          var n0 = e0 + 1 - e;
+          var n1 = e - e0;
+          var offset0 = e0 * k;
+          var offset1 = offset0 + k;
+
+          for (j = 0; j < cubeVertices; j++) {
+            if (j & pos) {
+              cubeN[j] *= n1;
+              cubeVertex[j] += offset1;
+            } else {
+              cubeN[j] *= n0;
+              cubeVertex[j] += offset0;
+            }
+          }
+
+          k *= size_i;
+          pos <<= 1;
+        }
+
+        for (j = 0; j < n; ++j) {
+          var rj = 0;
+
+          for (i = 0; i < cubeVertices; i++) {
+            rj += samples[cubeVertex[i] + j] * cubeN[i];
+          }
+
+          rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);
+          dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), range[j][1]);
+        }
+      };
+    },
+
+    constructInterpolated({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var c0 = toNumberArray(dict.getArray("C0")) || [0];
+      var c1 = toNumberArray(dict.getArray("C1")) || [1];
+      var n = dict.get("N");
+      var length = c0.length;
+      var diff = [];
+
+      for (var i = 0; i < length; ++i) {
+        diff.push(c1[i] - c0[i]);
+      }
+
+      return [CONSTRUCT_INTERPOLATED, c0, diff, n];
+    },
+
+    constructInterpolatedFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var c0 = IR[1];
+      var diff = IR[2];
+      var n = IR[3];
+      var length = diff.length;
+      return function constructInterpolatedFromIRResult(src, srcOffset, dest, destOffset) {
+        var x = n === 1 ? src[srcOffset] : src[srcOffset] ** n;
+
+        for (var j = 0; j < length; ++j) {
+          dest[destOffset + j] = c0[j] + x * diff[j];
+        }
+      };
+    },
+
+    constructStiched({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var domain = toNumberArray(dict.getArray("Domain"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain");
+      }
+
+      var inputSize = domain.length / 2;
+
+      if (inputSize !== 1) {
+        throw new _util.FormatError("Bad domain for stiched function");
+      }
+
+      var fnRefs = dict.get("Functions");
+      var fns = [];
+
+      for (var i = 0, ii = fnRefs.length; i < ii; ++i) {
+        fns.push(this.parse({
+          xref,
+          isEvalSupported,
+          fn: xref.fetchIfRef(fnRefs[i])
+        }));
+      }
+
+      var bounds = toNumberArray(dict.getArray("Bounds"));
+      var encode = toNumberArray(dict.getArray("Encode"));
+      return [CONSTRUCT_STICHED, domain, bounds, encode, fns];
+    },
+
+    constructStichedFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var domain = IR[1];
+      var bounds = IR[2];
+      var encode = IR[3];
+      var fns = IR[4];
+      var tmpBuf = new Float32Array(1);
+      return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) {
+        var clip = function constructStichedFromIRClip(v, min, max) {
+          if (v > max) {
+            v = max;
+          } else if (v < min) {
+            v = min;
+          }
+
+          return v;
+        };
+
+        var v = clip(src[srcOffset], domain[0], domain[1]);
+
+        for (var i = 0, ii = bounds.length; i < ii; ++i) {
+          if (v < bounds[i]) {
+            break;
+          }
+        }
+
+        var dmin = domain[0];
+
+        if (i > 0) {
+          dmin = bounds[i - 1];
+        }
+
+        var dmax = domain[1];
+
+        if (i < bounds.length) {
+          dmax = bounds[i];
+        }
+
+        var rmin = encode[2 * i];
+        var rmax = encode[2 * i + 1];
+        tmpBuf[0] = dmin === dmax ? rmin : rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin);
+        fns[i](tmpBuf, 0, dest, destOffset);
+      };
+    },
+
+    constructPostScript({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain.");
+      }
+
+      if (!range) {
+        throw new _util.FormatError("No range.");
+      }
+
+      var lexer = new _ps_parser.PostScriptLexer(fn);
+      var parser = new _ps_parser.PostScriptParser(lexer);
+      var code = parser.parse();
+      return [CONSTRUCT_POSTSCRIPT, domain, range, code];
+    },
+
+    constructPostScriptFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var domain = IR[1];
+      var range = IR[2];
+      var code = IR[3];
+
+      if (isEvalSupported && _util.IsEvalSupportedCached.value) {
+        const compiled = new PostScriptCompiler().compile(code, domain, range);
+
+        if (compiled) {
+          return new Function("src", "srcOffset", "dest", "destOffset", compiled);
+        }
+      }
+
+      (0, _util.info)("Unable to compile PS function");
+      var numOutputs = range.length >> 1;
+      var numInputs = domain.length >> 1;
+      var evaluator = new PostScriptEvaluator(code);
+      var cache = Object.create(null);
+      var MAX_CACHE_SIZE = 2048 * 4;
+      var cache_available = MAX_CACHE_SIZE;
+      var tmpBuf = new Float32Array(numInputs);
+      return function constructPostScriptFromIRResult(src, srcOffset, dest, destOffset) {
+        var i, value;
+        var key = "";
+        var input = tmpBuf;
+
+        for (i = 0; i < numInputs; i++) {
+          value = src[srcOffset + i];
+          input[i] = value;
+          key += value + "_";
+        }
+
+        var cachedValue = cache[key];
+
+        if (cachedValue !== undefined) {
+          dest.set(cachedValue, destOffset);
+          return;
+        }
+
+        var output = new Float32Array(numOutputs);
+        var stack = evaluator.execute(input);
+        var stackIndex = stack.length - numOutputs;
+
+        for (i = 0; i < numOutputs; i++) {
+          value = stack[stackIndex + i];
+          var bound = range[i * 2];
+
+          if (value < bound) {
+            value = bound;
+          } else {
+            bound = range[i * 2 + 1];
+
+            if (value > bound) {
+              value = bound;
+            }
+          }
+
+          output[i] = value;
+        }
+
+        if (cache_available > 0) {
+          cache_available--;
+          cache[key] = output;
+        }
+
+        dest.set(output, destOffset);
+      };
+    }
+
+  };
+}();
+
+function isPDFFunction(v) {
+  var fnDict;
+
+  if (typeof v !== "object") {
+    return false;
+  } else if ((0, _primitives.isDict)(v)) {
+    fnDict = v;
+  } else if ((0, _primitives.isStream)(v)) {
+    fnDict = v.dict;
+  } else {
+    return false;
+  }
+
+  return fnDict.has("FunctionType");
+}
+
+var PostScriptStack = function PostScriptStackClosure() {
+  var MAX_STACK_SIZE = 100;
+
+  function PostScriptStack(initialStack) {
+    this.stack = !initialStack ? [] : Array.prototype.slice.call(initialStack, 0);
+  }
+
+  PostScriptStack.prototype = {
+    push: function PostScriptStack_push(value) {
+      if (this.stack.length >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      this.stack.push(value);
+    },
+    pop: function PostScriptStack_pop() {
+      if (this.stack.length <= 0) {
+        throw new Error("PostScript function stack underflow.");
+      }
+
+      return this.stack.pop();
+    },
+    copy: function PostScriptStack_copy(n) {
+      if (this.stack.length + n >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      var stack = this.stack;
+
+      for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) {
+        stack.push(stack[i]);
+      }
+    },
+    index: function PostScriptStack_index(n) {
+      this.push(this.stack[this.stack.length - n - 1]);
+    },
+    roll: function PostScriptStack_roll(n, p) {
+      var stack = this.stack;
+      var l = stack.length - n;
+      var r = stack.length - 1,
+          c = l + (p - Math.floor(p / n) * n),
+          i,
+          j,
+          t;
+
+      for (i = l, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = l, j = c - 1; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = c, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+    }
+  };
+  return PostScriptStack;
+}();
+
+var PostScriptEvaluator = function PostScriptEvaluatorClosure() {
+  function PostScriptEvaluator(operators) {
+    this.operators = operators;
+  }
+
+  PostScriptEvaluator.prototype = {
+    execute: function PostScriptEvaluator_execute(initialStack) {
+      var stack = new PostScriptStack(initialStack);
+      var counter = 0;
+      var operators = this.operators;
+      var length = operators.length;
+      var operator, a, b;
+
+      while (counter < length) {
+        operator = operators[counter++];
+
+        if (typeof operator === "number") {
+          stack.push(operator);
+          continue;
+        }
+
+        switch (operator) {
+          case "jz":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (!a) {
+              counter = b;
+            }
+
+            break;
+
+          case "j":
+            a = stack.pop();
+            counter = a;
+            break;
+
+          case "abs":
+            a = stack.pop();
+            stack.push(Math.abs(a));
+            break;
+
+          case "add":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a + b);
+            break;
+
+          case "and":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a && b);
+            } else {
+              stack.push(a & b);
+            }
+
+            break;
+
+          case "atan":
+            a = stack.pop();
+            stack.push(Math.atan(a));
+            break;
+
+          case "bitshift":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (a > 0) {
+              stack.push(a << b);
+            } else {
+              stack.push(a >> b);
+            }
+
+            break;
+
+          case "ceiling":
+            a = stack.pop();
+            stack.push(Math.ceil(a));
+            break;
+
+          case "copy":
+            a = stack.pop();
+            stack.copy(a);
+            break;
+
+          case "cos":
+            a = stack.pop();
+            stack.push(Math.cos(a));
+            break;
+
+          case "cvi":
+            a = stack.pop() | 0;
+            stack.push(a);
+            break;
+
+          case "cvr":
+            break;
+
+          case "div":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b);
+            break;
+
+          case "dup":
+            stack.copy(1);
+            break;
+
+          case "eq":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a === b);
+            break;
+
+          case "exch":
+            stack.roll(2, 1);
+            break;
+
+          case "exp":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a ** b);
+            break;
+
+          case "false":
+            stack.push(false);
+            break;
+
+          case "floor":
+            a = stack.pop();
+            stack.push(Math.floor(a));
+            break;
+
+          case "ge":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a >= b);
+            break;
+
+          case "gt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a > b);
+            break;
+
+          case "idiv":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b | 0);
+            break;
+
+          case "index":
+            a = stack.pop();
+            stack.index(a);
+            break;
+
+          case "le":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a <= b);
+            break;
+
+          case "ln":
+            a = stack.pop();
+            stack.push(Math.log(a));
+            break;
+
+          case "log":
+            a = stack.pop();
+            stack.push(Math.log(a) / Math.LN10);
+            break;
+
+          case "lt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a < b);
+            break;
+
+          case "mod":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a % b);
+            break;
+
+          case "mul":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a * b);
+            break;
+
+          case "ne":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a !== b);
+            break;
+
+          case "neg":
+            a = stack.pop();
+            stack.push(-a);
+            break;
+
+          case "not":
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a)) {
+              stack.push(!a);
+            } else {
+              stack.push(~a);
+            }
+
+            break;
+
+          case "or":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a || b);
+            } else {
+              stack.push(a | b);
+            }
+
+            break;
+
+          case "pop":
+            stack.pop();
+            break;
+
+          case "roll":
+            b = stack.pop();
+            a = stack.pop();
+            stack.roll(a, b);
+            break;
+
+          case "round":
+            a = stack.pop();
+            stack.push(Math.round(a));
+            break;
+
+          case "sin":
+            a = stack.pop();
+            stack.push(Math.sin(a));
+            break;
+
+          case "sqrt":
+            a = stack.pop();
+            stack.push(Math.sqrt(a));
+            break;
+
+          case "sub":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a - b);
+            break;
+
+          case "true":
+            stack.push(true);
+            break;
+
+          case "truncate":
+            a = stack.pop();
+            a = a < 0 ? Math.ceil(a) : Math.floor(a);
+            stack.push(a);
+            break;
+
+          case "xor":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a !== b);
+            } else {
+              stack.push(a ^ b);
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown operator ${operator}`);
+        }
+      }
+
+      return stack.stack;
+    }
+  };
+  return PostScriptEvaluator;
+}();
+
+exports.PostScriptEvaluator = PostScriptEvaluator;
+
+var PostScriptCompiler = function PostScriptCompilerClosure() {
+  function AstNode(type) {
+    this.type = type;
+  }
+
+  AstNode.prototype.visit = function (visitor) {
+    (0, _util.unreachable)("abstract method");
+  };
+
+  function AstArgument(index, min, max) {
+    AstNode.call(this, "args");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstArgument.prototype = Object.create(AstNode.prototype);
+
+  AstArgument.prototype.visit = function (visitor) {
+    visitor.visitArgument(this);
+  };
+
+  function AstLiteral(number) {
+    AstNode.call(this, "literal");
+    this.number = number;
+    this.min = number;
+    this.max = number;
+  }
+
+  AstLiteral.prototype = Object.create(AstNode.prototype);
+
+  AstLiteral.prototype.visit = function (visitor) {
+    visitor.visitLiteral(this);
+  };
+
+  function AstBinaryOperation(op, arg1, arg2, min, max) {
+    AstNode.call(this, "binary");
+    this.op = op;
+    this.arg1 = arg1;
+    this.arg2 = arg2;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstBinaryOperation.prototype = Object.create(AstNode.prototype);
+
+  AstBinaryOperation.prototype.visit = function (visitor) {
+    visitor.visitBinaryOperation(this);
+  };
+
+  function AstMin(arg, max) {
+    AstNode.call(this, "max");
+    this.arg = arg;
+    this.min = arg.min;
+    this.max = max;
+  }
+
+  AstMin.prototype = Object.create(AstNode.prototype);
+
+  AstMin.prototype.visit = function (visitor) {
+    visitor.visitMin(this);
+  };
+
+  function AstVariable(index, min, max) {
+    AstNode.call(this, "var");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstVariable.prototype = Object.create(AstNode.prototype);
+
+  AstVariable.prototype.visit = function (visitor) {
+    visitor.visitVariable(this);
+  };
+
+  function AstVariableDefinition(variable, arg) {
+    AstNode.call(this, "definition");
+    this.variable = variable;
+    this.arg = arg;
+  }
+
+  AstVariableDefinition.prototype = Object.create(AstNode.prototype);
+
+  AstVariableDefinition.prototype.visit = function (visitor) {
+    visitor.visitVariableDefinition(this);
+  };
+
+  function ExpressionBuilderVisitor() {
+    this.parts = [];
+  }
+
+  ExpressionBuilderVisitor.prototype = {
+    visitArgument(arg) {
+      this.parts.push("Math.max(", arg.min, ", Math.min(", arg.max, ", src[srcOffset + ", arg.index, "]))");
+    },
+
+    visitVariable(variable) {
+      this.parts.push("v", variable.index);
+    },
+
+    visitLiteral(literal) {
+      this.parts.push(literal.number);
+    },
+
+    visitBinaryOperation(operation) {
+      this.parts.push("(");
+      operation.arg1.visit(this);
+      this.parts.push(" ", operation.op, " ");
+      operation.arg2.visit(this);
+      this.parts.push(")");
+    },
+
+    visitVariableDefinition(definition) {
+      this.parts.push("var ");
+      definition.variable.visit(this);
+      this.parts.push(" = ");
+      definition.arg.visit(this);
+      this.parts.push(";");
+    },
+
+    visitMin(max) {
+      this.parts.push("Math.min(");
+      max.arg.visit(this);
+      this.parts.push(", ", max.max, ")");
+    },
+
+    toString() {
+      return this.parts.join("");
+    }
+
+  };
+
+  function buildAddOperation(num1, num2) {
+    if (num2.type === "literal" && num2.number === 0) {
+      return num1;
+    }
+
+    if (num1.type === "literal" && num1.number === 0) {
+      return num2;
+    }
+
+    if (num2.type === "literal" && num1.type === "literal") {
+      return new AstLiteral(num1.number + num2.number);
+    }
+
+    return new AstBinaryOperation("+", num1, num2, num1.min + num2.min, num1.max + num2.max);
+  }
+
+  function buildMulOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return new AstLiteral(0);
+      } else if (num2.number === 1) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number * num2.number);
+      }
+    }
+
+    if (num1.type === "literal") {
+      if (num1.number === 0) {
+        return new AstLiteral(0);
+      } else if (num1.number === 1) {
+        return num2;
+      }
+    }
+
+    var min = Math.min(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    var max = Math.max(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    return new AstBinaryOperation("*", num1, num2, min, max);
+  }
+
+  function buildSubOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number - num2.number);
+      }
+    }
+
+    if (num2.type === "binary" && num2.op === "-" && num1.type === "literal" && num1.number === 1 && num2.arg1.type === "literal" && num2.arg1.number === 1) {
+      return num2.arg2;
+    }
+
+    return new AstBinaryOperation("-", num1, num2, num1.min - num2.max, num1.max - num2.min);
+  }
+
+  function buildMinOperation(num1, max) {
+    if (num1.min >= max) {
+      return new AstLiteral(max);
+    } else if (num1.max <= max) {
+      return num1;
+    }
+
+    return new AstMin(num1, max);
+  }
+
+  function PostScriptCompiler() {}
+
+  PostScriptCompiler.prototype = {
+    compile: function PostScriptCompiler_compile(code, domain, range) {
+      var stack = [];
+      var instructions = [];
+      var inputSize = domain.length >> 1,
+          outputSize = range.length >> 1;
+      var lastRegister = 0;
+      var n, j;
+      var num1, num2, ast1, ast2, tmpVar, item;
+
+      for (let i = 0; i < inputSize; i++) {
+        stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1]));
+      }
+
+      for (let i = 0, ii = code.length; i < ii; i++) {
+        item = code[i];
+
+        if (typeof item === "number") {
+          stack.push(new AstLiteral(item));
+          continue;
+        }
+
+        switch (item) {
+          case "add":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildAddOperation(num1, num2));
+            break;
+
+          case "cvr":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            break;
+
+          case "mul":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildMulOperation(num1, num2));
+            break;
+
+          case "sub":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildSubOperation(num1, num2));
+            break;
+
+          case "exch":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            ast1 = stack.pop();
+            ast2 = stack.pop();
+            stack.push(ast1, ast2);
+            break;
+
+          case "pop":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            stack.pop();
+            break;
+
+          case "index":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            num1 = stack.pop();
+
+            if (num1.type !== "literal") {
+              return null;
+            }
+
+            n = num1.number;
+
+            if (n < 0 || !Number.isInteger(n) || stack.length < n) {
+              return null;
+            }
+
+            ast1 = stack[stack.length - n - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - n - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "dup":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            if (typeof code[i + 1] === "number" && code[i + 2] === "gt" && code[i + 3] === i + 7 && code[i + 4] === "jz" && code[i + 5] === "pop" && code[i + 6] === code[i + 1]) {
+              num1 = stack.pop();
+              stack.push(buildMinOperation(num1, code[i + 1]));
+              i += 6;
+              break;
+            }
+
+            ast1 = stack[stack.length - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "roll":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+
+            if (num2.type !== "literal" || num1.type !== "literal") {
+              return null;
+            }
+
+            j = num2.number;
+            n = num1.number;
+
+            if (n <= 0 || !Number.isInteger(n) || !Number.isInteger(j) || stack.length < n) {
+              return null;
+            }
+
+            j = (j % n + n) % n;
+
+            if (j === 0) {
+              break;
+            }
+
+            Array.prototype.push.apply(stack, stack.splice(stack.length - n, n - j));
+            break;
+
+          default:
+            return null;
+        }
+      }
+
+      if (stack.length !== outputSize) {
+        return null;
+      }
+
+      var result = [];
+      instructions.forEach(function (instruction) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        instruction.visit(statementBuilder);
+        result.push(statementBuilder.toString());
+      });
+      stack.forEach(function (expr, i) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        expr.visit(statementBuilder);
+        var min = range[i * 2],
+            max = range[i * 2 + 1];
+        var out = [statementBuilder.toString()];
+
+        if (min > expr.min) {
+          out.unshift("Math.max(", min, ", ");
+          out.push(")");
+        }
+
+        if (max < expr.max) {
+          out.unshift("Math.min(", max, ", ");
+          out.push(")");
+        }
+
+        out.unshift("dest[destOffset + ", i, "] = ");
+        out.push(";");
+        result.push(out.join(""));
+      });
+      return result.join("\n");
+    }
+  };
+  return PostScriptCompiler;
+}();
+
+exports.PostScriptCompiler = PostScriptCompiler;
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PostScriptParser = exports.PostScriptLexer = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(8);
+
+class PostScriptParser {
+  constructor(lexer) {
+    this.lexer = lexer;
+    this.operators = [];
+    this.token = null;
+    this.prev = null;
+  }
+
+  nextToken() {
+    this.prev = this.token;
+    this.token = this.lexer.getToken();
+  }
+
+  accept(type) {
+    if (this.token.type === type) {
+      this.nextToken();
+      return true;
+    }
+
+    return false;
+  }
+
+  expect(type) {
+    if (this.accept(type)) {
+      return true;
+    }
+
+    throw new _util.FormatError(`Unexpected symbol: found ${this.token.type} expected ${type}.`);
+  }
+
+  parse() {
+    this.nextToken();
+    this.expect(PostScriptTokenTypes.LBRACE);
+    this.parseBlock();
+    this.expect(PostScriptTokenTypes.RBRACE);
+    return this.operators;
+  }
+
+  parseBlock() {
+    while (true) {
+      if (this.accept(PostScriptTokenTypes.NUMBER)) {
+        this.operators.push(this.prev.value);
+      } else if (this.accept(PostScriptTokenTypes.OPERATOR)) {
+        this.operators.push(this.prev.value);
+      } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+        this.parseCondition();
+      } else {
+        return;
+      }
+    }
+  }
+
+  parseCondition() {
+    const conditionLocation = this.operators.length;
+    this.operators.push(null, null);
+    this.parseBlock();
+    this.expect(PostScriptTokenTypes.RBRACE);
+
+    if (this.accept(PostScriptTokenTypes.IF)) {
+      this.operators[conditionLocation] = this.operators.length;
+      this.operators[conditionLocation + 1] = "jz";
+    } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+      const jumpLocation = this.operators.length;
+      this.operators.push(null, null);
+      const endOfTrue = this.operators.length;
+      this.parseBlock();
+      this.expect(PostScriptTokenTypes.RBRACE);
+      this.expect(PostScriptTokenTypes.IFELSE);
+      this.operators[jumpLocation] = this.operators.length;
+      this.operators[jumpLocation + 1] = "j";
+      this.operators[conditionLocation] = endOfTrue;
+      this.operators[conditionLocation + 1] = "jz";
+    } else {
+      throw new _util.FormatError("PS Function: error parsing conditional.");
+    }
+  }
+
+}
+
+exports.PostScriptParser = PostScriptParser;
+const PostScriptTokenTypes = {
+  LBRACE: 0,
+  RBRACE: 1,
+  NUMBER: 2,
+  OPERATOR: 3,
+  IF: 4,
+  IFELSE: 5
+};
+
+const PostScriptToken = function PostScriptTokenClosure() {
+  const opCache = Object.create(null);
+
+  class PostScriptToken {
+    constructor(type, value) {
+      this.type = type;
+      this.value = value;
+    }
+
+    static getOperator(op) {
+      const opValue = opCache[op];
+
+      if (opValue) {
+        return opValue;
+      }
+
+      return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op);
+    }
+
+    static get LBRACE() {
+      return (0, _util.shadow)(this, "LBRACE", new PostScriptToken(PostScriptTokenTypes.LBRACE, "{"));
+    }
+
+    static get RBRACE() {
+      return (0, _util.shadow)(this, "RBRACE", new PostScriptToken(PostScriptTokenTypes.RBRACE, "}"));
+    }
+
+    static get IF() {
+      return (0, _util.shadow)(this, "IF", new PostScriptToken(PostScriptTokenTypes.IF, "IF"));
+    }
+
+    static get IFELSE() {
+      return (0, _util.shadow)(this, "IFELSE", new PostScriptToken(PostScriptTokenTypes.IFELSE, "IFELSE"));
+    }
+
+  }
+
+  return PostScriptToken;
+}();
+
+class PostScriptLexer {
+  constructor(stream) {
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+  }
+
+  nextChar() {
+    return this.currentChar = this.stream.getByte();
+  }
+
+  getToken() {
+    let comment = false;
+    let ch = this.currentChar;
+
+    while (true) {
+      if (ch < 0) {
+        return _primitives.EOF;
+      }
+
+      if (comment) {
+        if (ch === 0x0a || ch === 0x0d) {
+          comment = false;
+        }
+      } else if (ch === 0x25) {
+        comment = true;
+      } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+
+    switch (ch | 0) {
+      case 0x30:
+      case 0x31:
+      case 0x32:
+      case 0x33:
+      case 0x34:
+      case 0x35:
+      case 0x36:
+      case 0x37:
+      case 0x38:
+      case 0x39:
+      case 0x2b:
+      case 0x2d:
+      case 0x2e:
+        return new PostScriptToken(PostScriptTokenTypes.NUMBER, this.getNumber());
+
+      case 0x7b:
+        this.nextChar();
+        return PostScriptToken.LBRACE;
+
+      case 0x7d:
+        this.nextChar();
+        return PostScriptToken.RBRACE;
+    }
+
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    strBuf[0] = String.fromCharCode(ch);
+
+    while ((ch = this.nextChar()) >= 0 && (ch >= 0x41 && ch <= 0x5a || ch >= 0x61 && ch <= 0x7a)) {
+      strBuf.push(String.fromCharCode(ch));
+    }
+
+    const str = strBuf.join("");
+
+    switch (str.toLowerCase()) {
+      case "if":
+        return PostScriptToken.IF;
+
+      case "ifelse":
+        return PostScriptToken.IFELSE;
+
+      default:
+        return PostScriptToken.getOperator(str);
+    }
+  }
+
+  getNumber() {
+    let ch = this.currentChar;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    strBuf[0] = String.fromCharCode(ch);
+
+    while ((ch = this.nextChar()) >= 0) {
+      if (ch >= 0x30 && ch <= 0x39 || ch === 0x2d || ch === 0x2e) {
+        strBuf.push(String.fromCharCode(ch));
+      } else {
+        break;
+      }
+    }
+
+    const value = parseFloat(strBuf.join(""));
+
+    if (isNaN(value)) {
+      throw new _util.FormatError(`Invalid floating point number: ${value}`);
+    }
+
+    return value;
+  }
+
+}
+
+exports.PostScriptLexer = PostScriptLexer;
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.bidi = bidi;
+
+var _util = __w_pdfjs_require__(2);
+
+var baseTypes = ["BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "S", "B", "S", "WS", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "B", "B", "B", "S", "WS", "ON", "ON", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "ON", "ES", "CS", "ES", "CS", "CS", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "CS", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "BN", "BN", "BN", "BN", "BN", "BN", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "CS", "ON", "ET", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "L", "ON", "ON", "BN", "ON", "ON", "ET", "ET", "EN", "EN", "ON", "L", "ON", "ON", "ON", "EN", "L", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L"];
+var arabicTypes = ["AN", "AN", "AN", "AN", "AN", "AN", "ON", "ON", "AL", "ET", "ET", "AL", "CS", "AL", "ON", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "ET", "AN", "AN", "AL", "AL", "AL", "NSM", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "NSM", "NSM", "ON", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "AL", "AL", "AL", "AL", "AL", "AL"];
+
+function isOdd(i) {
+  return (i & 1) !== 0;
+}
+
+function isEven(i) {
+  return (i & 1) === 0;
+}
+
+function findUnequal(arr, start, value) {
+  for (var j = start, jj = arr.length; j < jj; ++j) {
+    if (arr[j] !== value) {
+      return j;
+    }
+  }
+
+  return j;
+}
+
+function setValues(arr, start, end, value) {
+  for (var j = start; j < end; ++j) {
+    arr[j] = value;
+  }
+}
+
+function reverseValues(arr, start, end) {
+  for (var i = start, j = end - 1; i < j; ++i, --j) {
+    var temp = arr[i];
+    arr[i] = arr[j];
+    arr[j] = temp;
+  }
+}
+
+function createBidiText(str, isLTR, vertical = false) {
+  let dir = "ltr";
+
+  if (vertical) {
+    dir = "ttb";
+  } else if (!isLTR) {
+    dir = "rtl";
+  }
+
+  return {
+    str,
+    dir
+  };
+}
+
+var chars = [];
+var types = [];
+
+function bidi(str, startLevel, vertical) {
+  var isLTR = true;
+  var strLength = str.length;
+
+  if (strLength === 0 || vertical) {
+    return createBidiText(str, isLTR, vertical);
+  }
+
+  chars.length = strLength;
+  types.length = strLength;
+  var numBidi = 0;
+  var i, ii;
+
+  for (i = 0; i < strLength; ++i) {
+    chars[i] = str.charAt(i);
+    var charCode = str.charCodeAt(i);
+    var charType = "L";
+
+    if (charCode <= 0x00ff) {
+      charType = baseTypes[charCode];
+    } else if (0x0590 <= charCode && charCode <= 0x05f4) {
+      charType = "R";
+    } else if (0x0600 <= charCode && charCode <= 0x06ff) {
+      charType = arabicTypes[charCode & 0xff];
+
+      if (!charType) {
+        (0, _util.warn)("Bidi: invalid Unicode character " + charCode.toString(16));
+      }
+    } else if (0x0700 <= charCode && charCode <= 0x08ac) {
+      charType = "AL";
+    }
+
+    if (charType === "R" || charType === "AL" || charType === "AN") {
+      numBidi++;
+    }
+
+    types[i] = charType;
+  }
+
+  if (numBidi === 0) {
+    isLTR = true;
+    return createBidiText(str, isLTR);
+  }
+
+  if (startLevel === -1) {
+    if (numBidi / strLength < 0.3) {
+      isLTR = true;
+      startLevel = 0;
+    } else {
+      isLTR = false;
+      startLevel = 1;
+    }
+  }
+
+  var levels = [];
+
+  for (i = 0; i < strLength; ++i) {
+    levels[i] = startLevel;
+  }
+
+  var e = isOdd(startLevel) ? "R" : "L";
+  var sor = e;
+  var eor = sor;
+  var lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "NSM") {
+      types[i] = lastType;
+    } else {
+      lastType = types[i];
+    }
+  }
+
+  lastType = sor;
+  var t;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "AL" ? "AN" : "EN";
+    } else if (t === "R" || t === "L" || t === "AL") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "AL") {
+      types[i] = "R";
+    }
+  }
+
+  for (i = 1; i < strLength - 1; ++i) {
+    if (types[i] === "ES" && types[i - 1] === "EN" && types[i + 1] === "EN") {
+      types[i] = "EN";
+    }
+
+    if (types[i] === "CS" && (types[i - 1] === "EN" || types[i - 1] === "AN") && types[i + 1] === types[i - 1]) {
+      types[i] = types[i - 1];
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "EN") {
+      var j;
+
+      for (j = i - 1; j >= 0; --j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+
+      for (j = i + 1; j < strLength; ++j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "WS" || t === "ES" || t === "ET" || t === "CS") {
+      types[i] = "ON";
+    }
+  }
+
+  lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "L" ? "L" : "EN";
+    } else if (t === "R" || t === "L") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      var end = findUnequal(types, i + 1, "ON");
+      var before = sor;
+
+      if (i > 0) {
+        before = types[i - 1];
+      }
+
+      var after = eor;
+
+      if (end + 1 < strLength) {
+        after = types[end + 1];
+      }
+
+      if (before !== "L") {
+        before = "R";
+      }
+
+      if (after !== "L") {
+        after = "R";
+      }
+
+      if (before === after) {
+        setValues(types, i, end, before);
+      }
+
+      i = end - 1;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      types[i] = e;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (isEven(levels[i])) {
+      if (t === "R") {
+        levels[i] += 1;
+      } else if (t === "AN" || t === "EN") {
+        levels[i] += 2;
+      }
+    } else {
+      if (t === "L" || t === "AN" || t === "EN") {
+        levels[i] += 1;
+      }
+    }
+  }
+
+  var highestLevel = -1;
+  var lowestOddLevel = 99;
+  var level;
+
+  for (i = 0, ii = levels.length; i < ii; ++i) {
+    level = levels[i];
+
+    if (highestLevel < level) {
+      highestLevel = level;
+    }
+
+    if (lowestOddLevel > level && isOdd(level)) {
+      lowestOddLevel = level;
+    }
+  }
+
+  for (level = highestLevel; level >= lowestOddLevel; --level) {
+    var start = -1;
+
+    for (i = 0, ii = levels.length; i < ii; ++i) {
+      if (levels[i] < level) {
+        if (start >= 0) {
+          reverseValues(chars, start, i);
+          start = -1;
+        }
+      } else if (start < 0) {
+        start = i;
+      }
+    }
+
+    if (start >= 0) {
+      reverseValues(chars, start, levels.length);
+    }
+  }
+
+  for (i = 0, ii = chars.length; i < ii; ++i) {
+    var ch = chars[i];
+
+    if (ch === "<" || ch === ">") {
+      chars[i] = "";
+    }
+  }
+
+  return createBidiText(chars.join(""), isLTR);
+}
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getMetrics = void 0;
+
+var _core_utils = __w_pdfjs_require__(8);
+
+var getMetrics = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Courier = 600;
+  t["Courier-Bold"] = 600;
+  t["Courier-BoldOblique"] = 600;
+  t["Courier-Oblique"] = 600;
+  t.Helvetica = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-BoldOblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Oblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t.Symbol = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.universal = 713;
+    t.numbersign = 500;
+    t.existential = 549;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.suchthat = 439;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asteriskmath = 500;
+    t.plus = 549;
+    t.comma = 250;
+    t.minus = 549;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 549;
+    t.equal = 549;
+    t.greater = 549;
+    t.question = 444;
+    t.congruent = 549;
+    t.Alpha = 722;
+    t.Beta = 667;
+    t.Chi = 722;
+    t.Delta = 612;
+    t.Epsilon = 611;
+    t.Phi = 763;
+    t.Gamma = 603;
+    t.Eta = 722;
+    t.Iota = 333;
+    t.theta1 = 631;
+    t.Kappa = 722;
+    t.Lambda = 686;
+    t.Mu = 889;
+    t.Nu = 722;
+    t.Omicron = 722;
+    t.Pi = 768;
+    t.Theta = 741;
+    t.Rho = 556;
+    t.Sigma = 592;
+    t.Tau = 611;
+    t.Upsilon = 690;
+    t.sigma1 = 439;
+    t.Omega = 768;
+    t.Xi = 645;
+    t.Psi = 795;
+    t.Zeta = 611;
+    t.bracketleft = 333;
+    t.therefore = 863;
+    t.bracketright = 333;
+    t.perpendicular = 658;
+    t.underscore = 500;
+    t.radicalex = 500;
+    t.alpha = 631;
+    t.beta = 549;
+    t.chi = 549;
+    t.delta = 494;
+    t.epsilon = 439;
+    t.phi = 521;
+    t.gamma = 411;
+    t.eta = 603;
+    t.iota = 329;
+    t.phi1 = 603;
+    t.kappa = 549;
+    t.lambda = 549;
+    t.mu = 576;
+    t.nu = 521;
+    t.omicron = 549;
+    t.pi = 549;
+    t.theta = 521;
+    t.rho = 549;
+    t.sigma = 603;
+    t.tau = 439;
+    t.upsilon = 576;
+    t.omega1 = 713;
+    t.omega = 686;
+    t.xi = 493;
+    t.psi = 686;
+    t.zeta = 494;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.similar = 549;
+    t.Euro = 750;
+    t.Upsilon1 = 620;
+    t.minute = 247;
+    t.lessequal = 549;
+    t.fraction = 167;
+    t.infinity = 713;
+    t.florin = 500;
+    t.club = 753;
+    t.diamond = 753;
+    t.heart = 753;
+    t.spade = 753;
+    t.arrowboth = 1042;
+    t.arrowleft = 987;
+    t.arrowup = 603;
+    t.arrowright = 987;
+    t.arrowdown = 603;
+    t.degree = 400;
+    t.plusminus = 549;
+    t.second = 411;
+    t.greaterequal = 549;
+    t.multiply = 549;
+    t.proportional = 713;
+    t.partialdiff = 494;
+    t.bullet = 460;
+    t.divide = 549;
+    t.notequal = 549;
+    t.equivalence = 549;
+    t.approxequal = 549;
+    t.ellipsis = 1000;
+    t.arrowvertex = 603;
+    t.arrowhorizex = 1000;
+    t.carriagereturn = 658;
+    t.aleph = 823;
+    t.Ifraktur = 686;
+    t.Rfraktur = 795;
+    t.weierstrass = 987;
+    t.circlemultiply = 768;
+    t.circleplus = 768;
+    t.emptyset = 823;
+    t.intersection = 768;
+    t.union = 768;
+    t.propersuperset = 713;
+    t.reflexsuperset = 713;
+    t.notsubset = 713;
+    t.propersubset = 713;
+    t.reflexsubset = 713;
+    t.element = 713;
+    t.notelement = 713;
+    t.angle = 768;
+    t.gradient = 713;
+    t.registerserif = 790;
+    t.copyrightserif = 790;
+    t.trademarkserif = 890;
+    t.product = 823;
+    t.radical = 549;
+    t.dotmath = 250;
+    t.logicalnot = 713;
+    t.logicaland = 603;
+    t.logicalor = 603;
+    t.arrowdblboth = 1042;
+    t.arrowdblleft = 987;
+    t.arrowdblup = 603;
+    t.arrowdblright = 987;
+    t.arrowdbldown = 603;
+    t.lozenge = 494;
+    t.angleleft = 329;
+    t.registersans = 790;
+    t.copyrightsans = 790;
+    t.trademarksans = 786;
+    t.summation = 713;
+    t.parenlefttp = 384;
+    t.parenleftex = 384;
+    t.parenleftbt = 384;
+    t.bracketlefttp = 384;
+    t.bracketleftex = 384;
+    t.bracketleftbt = 384;
+    t.bracelefttp = 494;
+    t.braceleftmid = 494;
+    t.braceleftbt = 494;
+    t.braceex = 494;
+    t.angleright = 329;
+    t.integral = 274;
+    t.integraltp = 686;
+    t.integralex = 686;
+    t.integralbt = 686;
+    t.parenrighttp = 384;
+    t.parenrightex = 384;
+    t.parenrightbt = 384;
+    t.bracketrighttp = 384;
+    t.bracketrightex = 384;
+    t.bracketrightbt = 384;
+    t.bracerighttp = 494;
+    t.bracerightmid = 494;
+    t.bracerightbt = 494;
+    t.apple = 790;
+  });
+  t["Times-Roman"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 408;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 564;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 564;
+    t.equal = 564;
+    t.greater = 564;
+    t.question = 444;
+    t.at = 921;
+    t.A = 722;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 556;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 389;
+    t.K = 722;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 556;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 722;
+    t.W = 944;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 469;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 444;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 333;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.asciitilde = 541;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 180;
+    t.quotedblleft = 444;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 453;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 444;
+    t.quotedblright = 444;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 444;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 889;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 444;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 564;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 444;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 444;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 444;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 444;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 444;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 444;
+    t.Amacron = 722;
+    t.rcaron = 333;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 556;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 588;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 564;
+    t.uacute = 500;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 444;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 722;
+    t.Iacute = 333;
+    t.plusminus = 564;
+    t.brokenbar = 200;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 333;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 326;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 444;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 344;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 722;
+    t.zdotaccent = 444;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 500;
+    t.minus = 564;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 564;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 1000;
+    t.ampersand = 833;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 930;
+    t.A = 722;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 778;
+    t.L = 667;
+    t.M = 944;
+    t.N = 722;
+    t.O = 778;
+    t.P = 611;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 556;
+    t.T = 667;
+    t.U = 722;
+    t.V = 722;
+    t.W = 1000;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 667;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 581;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 556;
+    t.c = 444;
+    t.d = 556;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 333;
+    t.k = 556;
+    t.l = 278;
+    t.m = 833;
+    t.n = 556;
+    t.o = 500;
+    t.p = 556;
+    t.q = 556;
+    t.r = 444;
+    t.s = 389;
+    t.t = 333;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 394;
+    t.bar = 220;
+    t.braceright = 394;
+    t.asciitilde = 520;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 540;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 300;
+    t.Lslash = 667;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 330;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 556;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 570;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 667;
+    t.Cacute = 722;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 722;
+    t.rcaron = 444;
+    t.ccedilla = 444;
+    t.Zdotaccent = 667;
+    t.Thorn = 611;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 556;
+    t.dcaron = 672;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 667;
+    t.partialdiff = 494;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 778;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 444;
+    t.omacron = 500;
+    t.Zacute = 667;
+    t.Zcaron = 667;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 416;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 300;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 394;
+    t.Kcommaaccent = 778;
+    t.Lacute = 667;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 667;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 444;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 667;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 444;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 556;
+    t.minus = 570;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 333;
+    t.logicalnot = 570;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-BoldItalic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 389;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 832;
+    t.A = 667;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 667;
+    t.F = 667;
+    t.G = 722;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 667;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 889;
+    t.X = 667;
+    t.Y = 611;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 570;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 556;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 556;
+    t.v = 444;
+    t.w = 667;
+    t.x = 500;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 348;
+    t.bar = 220;
+    t.braceright = 348;
+    t.asciitilde = 570;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 500;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 944;
+    t.ordfeminine = 266;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 300;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 611;
+    t.divide = 570;
+    t.Yacute = 611;
+    t.Acircumflex = 667;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 667;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 608;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 444;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 722;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 366;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 576;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 382;
+    t.Kcommaaccent = 667;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 500;
+    t.minus = 606;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 606;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Italic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 420;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 675;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 675;
+    t.equal = 675;
+    t.greater = 675;
+    t.question = 500;
+    t.at = 920;
+    t.A = 611;
+    t.B = 611;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 611;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 444;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 667;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 611;
+    t.S = 500;
+    t.T = 556;
+    t.U = 722;
+    t.V = 611;
+    t.W = 833;
+    t.X = 611;
+    t.Y = 556;
+    t.Z = 556;
+    t.bracketleft = 389;
+    t.backslash = 278;
+    t.bracketright = 389;
+    t.asciicircum = 422;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 278;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 444;
+    t.l = 278;
+    t.m = 722;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 444;
+    t.w = 667;
+    t.x = 444;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 400;
+    t.bar = 275;
+    t.braceright = 400;
+    t.asciitilde = 541;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 214;
+    t.quotedblleft = 556;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 523;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 556;
+    t.quotedblright = 556;
+    t.guillemotright = 500;
+    t.ellipsis = 889;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 889;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 556;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 667;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 556;
+    t.divide = 675;
+    t.Yacute = 556;
+    t.Acircumflex = 611;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 667;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 556;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 611;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 500;
+    t.Amacron = 611;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 556;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 611;
+    t.Sacute = 500;
+    t.dcaron = 544;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 611;
+    t.Abreve = 611;
+    t.multiply = 675;
+    t.uacute = 500;
+    t.Tcaron = 556;
+    t.partialdiff = 476;
+    t.ydieresis = 444;
+    t.Nacute = 667;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 667;
+    t.Iacute = 333;
+    t.plusminus = 675;
+    t.brokenbar = 275;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 556;
+    t.Zcaron = 556;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 300;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 611;
+    t.Adieresis = 611;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 500;
+    t.lcaron = 300;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 500;
+    t.Scommaaccent = 500;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 667;
+    t.otilde = 500;
+    t.Rcommaaccent = 611;
+    t.Lcommaaccent = 556;
+    t.Atilde = 611;
+    t.Aogonek = 611;
+    t.Aring = 611;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 444;
+    t.minus = 675;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 675;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t.ZapfDingbats = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.a1 = 974;
+    t.a2 = 961;
+    t.a202 = 974;
+    t.a3 = 980;
+    t.a4 = 719;
+    t.a5 = 789;
+    t.a119 = 790;
+    t.a118 = 791;
+    t.a117 = 690;
+    t.a11 = 960;
+    t.a12 = 939;
+    t.a13 = 549;
+    t.a14 = 855;
+    t.a15 = 911;
+    t.a16 = 933;
+    t.a105 = 911;
+    t.a17 = 945;
+    t.a18 = 974;
+    t.a19 = 755;
+    t.a20 = 846;
+    t.a21 = 762;
+    t.a22 = 761;
+    t.a23 = 571;
+    t.a24 = 677;
+    t.a25 = 763;
+    t.a26 = 760;
+    t.a27 = 759;
+    t.a28 = 754;
+    t.a6 = 494;
+    t.a7 = 552;
+    t.a8 = 537;
+    t.a9 = 577;
+    t.a10 = 692;
+    t.a29 = 786;
+    t.a30 = 788;
+    t.a31 = 788;
+    t.a32 = 790;
+    t.a33 = 793;
+    t.a34 = 794;
+    t.a35 = 816;
+    t.a36 = 823;
+    t.a37 = 789;
+    t.a38 = 841;
+    t.a39 = 823;
+    t.a40 = 833;
+    t.a41 = 816;
+    t.a42 = 831;
+    t.a43 = 923;
+    t.a44 = 744;
+    t.a45 = 723;
+    t.a46 = 749;
+    t.a47 = 790;
+    t.a48 = 792;
+    t.a49 = 695;
+    t.a50 = 776;
+    t.a51 = 768;
+    t.a52 = 792;
+    t.a53 = 759;
+    t.a54 = 707;
+    t.a55 = 708;
+    t.a56 = 682;
+    t.a57 = 701;
+    t.a58 = 826;
+    t.a59 = 815;
+    t.a60 = 789;
+    t.a61 = 789;
+    t.a62 = 707;
+    t.a63 = 687;
+    t.a64 = 696;
+    t.a65 = 689;
+    t.a66 = 786;
+    t.a67 = 787;
+    t.a68 = 713;
+    t.a69 = 791;
+    t.a70 = 785;
+    t.a71 = 791;
+    t.a72 = 873;
+    t.a73 = 761;
+    t.a74 = 762;
+    t.a203 = 762;
+    t.a75 = 759;
+    t.a204 = 759;
+    t.a76 = 892;
+    t.a77 = 892;
+    t.a78 = 788;
+    t.a79 = 784;
+    t.a81 = 438;
+    t.a82 = 138;
+    t.a83 = 277;
+    t.a84 = 415;
+    t.a97 = 392;
+    t.a98 = 392;
+    t.a99 = 668;
+    t.a100 = 668;
+    t.a89 = 390;
+    t.a90 = 390;
+    t.a93 = 317;
+    t.a94 = 317;
+    t.a91 = 276;
+    t.a92 = 276;
+    t.a205 = 509;
+    t.a85 = 509;
+    t.a206 = 410;
+    t.a86 = 410;
+    t.a87 = 234;
+    t.a88 = 234;
+    t.a95 = 334;
+    t.a96 = 334;
+    t.a101 = 732;
+    t.a102 = 544;
+    t.a103 = 544;
+    t.a104 = 910;
+    t.a106 = 667;
+    t.a107 = 760;
+    t.a108 = 760;
+    t.a112 = 776;
+    t.a111 = 595;
+    t.a110 = 694;
+    t.a109 = 626;
+    t.a120 = 788;
+    t.a121 = 788;
+    t.a122 = 788;
+    t.a123 = 788;
+    t.a124 = 788;
+    t.a125 = 788;
+    t.a126 = 788;
+    t.a127 = 788;
+    t.a128 = 788;
+    t.a129 = 788;
+    t.a130 = 788;
+    t.a131 = 788;
+    t.a132 = 788;
+    t.a133 = 788;
+    t.a134 = 788;
+    t.a135 = 788;
+    t.a136 = 788;
+    t.a137 = 788;
+    t.a138 = 788;
+    t.a139 = 788;
+    t.a140 = 788;
+    t.a141 = 788;
+    t.a142 = 788;
+    t.a143 = 788;
+    t.a144 = 788;
+    t.a145 = 788;
+    t.a146 = 788;
+    t.a147 = 788;
+    t.a148 = 788;
+    t.a149 = 788;
+    t.a150 = 788;
+    t.a151 = 788;
+    t.a152 = 788;
+    t.a153 = 788;
+    t.a154 = 788;
+    t.a155 = 788;
+    t.a156 = 788;
+    t.a157 = 788;
+    t.a158 = 788;
+    t.a159 = 788;
+    t.a160 = 894;
+    t.a161 = 838;
+    t.a163 = 1016;
+    t.a164 = 458;
+    t.a196 = 748;
+    t.a165 = 924;
+    t.a192 = 748;
+    t.a166 = 918;
+    t.a167 = 927;
+    t.a168 = 928;
+    t.a169 = 928;
+    t.a170 = 834;
+    t.a171 = 873;
+    t.a172 = 828;
+    t.a173 = 924;
+    t.a162 = 924;
+    t.a174 = 917;
+    t.a175 = 930;
+    t.a176 = 931;
+    t.a177 = 463;
+    t.a178 = 883;
+    t.a179 = 836;
+    t.a193 = 836;
+    t.a180 = 867;
+    t.a199 = 867;
+    t.a181 = 696;
+    t.a200 = 696;
+    t.a182 = 874;
+    t.a201 = 874;
+    t.a183 = 760;
+    t.a184 = 946;
+    t.a197 = 771;
+    t.a185 = 865;
+    t.a194 = 771;
+    t.a198 = 888;
+    t.a186 = 967;
+    t.a195 = 888;
+    t.a187 = 831;
+    t.a188 = 873;
+    t.a189 = 927;
+    t.a190 = 970;
+    t.a191 = 918;
+  });
+});
+exports.getMetrics = getMetrics;
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MurmurHash3_64 = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const SEED = 0xc3d2e1f0;
+const MASK_HIGH = 0xffff0000;
+const MASK_LOW = 0xffff;
+
+class MurmurHash3_64 {
+  constructor(seed) {
+    this.h1 = seed ? seed & 0xffffffff : SEED;
+    this.h2 = seed ? seed & 0xffffffff : SEED;
+  }
+
+  update(input) {
+    let data, length;
+
+    if ((0, _util.isString)(input)) {
+      data = new Uint8Array(input.length * 2);
+      length = 0;
+
+      for (let i = 0, ii = input.length; i < ii; i++) {
+        const code = input.charCodeAt(i);
+
+        if (code <= 0xff) {
+          data[length++] = code;
+        } else {
+          data[length++] = code >>> 8;
+          data[length++] = code & 0xff;
+        }
+      }
+    } else if ((0, _util.isArrayBuffer)(input)) {
+      data = input;
+      length = data.byteLength;
+    } else {
+      throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
+    }
+
+    const blockCounts = length >> 2;
+    const tailLength = length - blockCounts * 4;
+    const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
+    let k1 = 0,
+        k2 = 0;
+    let h1 = this.h1,
+        h2 = this.h2;
+    const C1 = 0xcc9e2d51,
+          C2 = 0x1b873593;
+    const C1_LOW = C1 & MASK_LOW,
+          C2_LOW = C2 & MASK_LOW;
+
+    for (let i = 0; i < blockCounts; i++) {
+      if (i & 1) {
+        k1 = dataUint32[i];
+        k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+        k1 = k1 << 15 | k1 >>> 17;
+        k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+        h1 ^= k1;
+        h1 = h1 << 13 | h1 >>> 19;
+        h1 = h1 * 5 + 0xe6546b64;
+      } else {
+        k2 = dataUint32[i];
+        k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
+        k2 = k2 << 15 | k2 >>> 17;
+        k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
+        h2 ^= k2;
+        h2 = h2 << 13 | h2 >>> 19;
+        h2 = h2 * 5 + 0xe6546b64;
+      }
+    }
+
+    k1 = 0;
+
+    switch (tailLength) {
+      case 3:
+        k1 ^= data[blockCounts * 4 + 2] << 16;
+
+      case 2:
+        k1 ^= data[blockCounts * 4 + 1] << 8;
+
+      case 1:
+        k1 ^= data[blockCounts * 4];
+        k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+        k1 = k1 << 15 | k1 >>> 17;
+        k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+
+        if (blockCounts & 1) {
+          h1 ^= k1;
+        } else {
+          h2 ^= k1;
+        }
+
+    }
+
+    this.h1 = h1;
+    this.h2 = h2;
+  }
+
+  hexdigest() {
+    let h1 = this.h1,
+        h2 = this.h2;
+    h1 ^= h2 >>> 1;
+    h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
+    h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
+    h1 ^= h2 >>> 1;
+    h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
+    h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
+    h1 ^= h2 >>> 1;
+    const hex1 = (h1 >>> 0).toString(16),
+          hex2 = (h2 >>> 0).toString(16);
+    return hex1.padStart(8, "0") + hex2.padStart(8, "0");
+  }
+
+}
+
+exports.MurmurHash3_64 = MurmurHash3_64;
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFImage = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _primitives = __w_pdfjs_require__(5);
+
+var _colorspace = __w_pdfjs_require__(23);
+
+var _stream = __w_pdfjs_require__(12);
+
+var _jpeg_stream = __w_pdfjs_require__(18);
+
+var _jpx = __w_pdfjs_require__(21);
+
+function decodeAndClamp(value, addend, coefficient, max) {
+  value = addend + value * coefficient;
+
+  if (value < 0) {
+    value = 0;
+  } else if (value > max) {
+    value = max;
+  }
+
+  return value;
+}
+
+function resizeImageMask(src, bpc, w1, h1, w2, h2) {
+  var length = w2 * h2;
+  let dest;
+
+  if (bpc <= 8) {
+    dest = new Uint8Array(length);
+  } else if (bpc <= 16) {
+    dest = new Uint16Array(length);
+  } else {
+    dest = new Uint32Array(length);
+  }
+
+  var xRatio = w1 / w2;
+  var yRatio = h1 / h2;
+  var i,
+      j,
+      py,
+      newIndex = 0,
+      oldIndex;
+  var xScaled = new Uint16Array(w2);
+  var w1Scanline = w1;
+
+  for (i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio);
+  }
+
+  for (i = 0; i < h2; i++) {
+    py = Math.floor(i * yRatio) * w1Scanline;
+
+    for (j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex];
+    }
+  }
+
+  return dest;
+}
+
+class PDFImage {
+  constructor({
+    xref,
+    res,
+    image,
+    isInline = false,
+    smask = null,
+    mask = null,
+    isMask = false,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    this.image = image;
+    var dict = image.dict;
+    const filter = dict.get("Filter");
+
+    if ((0, _primitives.isName)(filter)) {
+      switch (filter.name) {
+        case "JPXDecode":
+          var jpxImage = new _jpx.JpxImage();
+          jpxImage.parseImageProperties(image.stream);
+          image.stream.reset();
+          image.width = jpxImage.width;
+          image.height = jpxImage.height;
+          image.bitsPerComponent = jpxImage.bitsPerComponent;
+          image.numComps = jpxImage.componentsCount;
+          break;
+
+        case "JBIG2Decode":
+          image.bitsPerComponent = 1;
+          image.numComps = 1;
+          break;
+      }
+    }
+
+    let width = dict.get("Width", "W");
+    let height = dict.get("Height", "H");
+
+    if (Number.isInteger(image.width) && image.width > 0 && Number.isInteger(image.height) && image.height > 0 && (image.width !== width || image.height !== height)) {
+      (0, _util.warn)("PDFImage - using the Width/Height of the image data, " + "rather than the image dictionary.");
+      width = image.width;
+      height = image.height;
+    }
+
+    if (width < 1 || height < 1) {
+      throw new _util.FormatError(`Invalid image width: ${width} or height: ${height}`);
+    }
+
+    this.width = width;
+    this.height = height;
+    this.interpolate = dict.get("Interpolate", "I") || false;
+    this.imageMask = dict.get("ImageMask", "IM") || false;
+    this.matte = dict.get("Matte") || false;
+    var bitsPerComponent = image.bitsPerComponent;
+
+    if (!bitsPerComponent) {
+      bitsPerComponent = dict.get("BitsPerComponent", "BPC");
+
+      if (!bitsPerComponent) {
+        if (this.imageMask) {
+          bitsPerComponent = 1;
+        } else {
+          throw new _util.FormatError(`Bits per component missing in image: ${this.imageMask}`);
+        }
+      }
+    }
+
+    this.bpc = bitsPerComponent;
+
+    if (!this.imageMask) {
+      let colorSpace = dict.getRaw("ColorSpace") || dict.getRaw("CS");
+
+      if (!colorSpace) {
+        (0, _util.info)("JPX images (which do not require color spaces)");
+
+        switch (image.numComps) {
+          case 1:
+            colorSpace = _primitives.Name.get("DeviceGray");
+            break;
+
+          case 3:
+            colorSpace = _primitives.Name.get("DeviceRGB");
+            break;
+
+          case 4:
+            colorSpace = _primitives.Name.get("DeviceCMYK");
+            break;
+
+          default:
+            throw new Error(`JPX images with ${image.numComps} ` + "color components not supported.");
+        }
+      }
+
+      this.colorSpace = _colorspace.ColorSpace.parse({
+        cs: colorSpace,
+        xref,
+        resources: isInline ? res : null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+      this.numComps = this.colorSpace.numComps;
+    }
+
+    this.decode = dict.getArray("Decode", "D");
+    this.needsDecode = false;
+
+    if (this.decode && (this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode, bitsPerComponent) || isMask && !_colorspace.ColorSpace.isDefaultDecode(this.decode, 1))) {
+      this.needsDecode = true;
+      var max = (1 << bitsPerComponent) - 1;
+      this.decodeCoefficients = [];
+      this.decodeAddends = [];
+      const isIndexed = this.colorSpace && this.colorSpace.name === "Indexed";
+
+      for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) {
+        var dmin = this.decode[i];
+        var dmax = this.decode[i + 1];
+        this.decodeCoefficients[j] = isIndexed ? (dmax - dmin) / max : dmax - dmin;
+        this.decodeAddends[j] = isIndexed ? dmin : max * dmin;
+      }
+    }
+
+    if (smask) {
+      this.smask = new PDFImage({
+        xref,
+        res,
+        image: smask,
+        isInline,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+    } else if (mask) {
+      if ((0, _primitives.isStream)(mask)) {
+        var maskDict = mask.dict,
+            imageMask = maskDict.get("ImageMask", "IM");
+
+        if (!imageMask) {
+          (0, _util.warn)("Ignoring /Mask in image without /ImageMask.");
+        } else {
+          this.mask = new PDFImage({
+            xref,
+            res,
+            image: mask,
+            isInline,
+            isMask: true,
+            pdfFunctionFactory,
+            localColorSpaceCache
+          });
+        }
+      } else {
+        this.mask = mask;
+      }
+    }
+  }
+
+  static async buildImage({
+    xref,
+    res,
+    image,
+    isInline = false,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const imageData = image;
+    let smaskData = null;
+    let maskData = null;
+    const smask = image.dict.get("SMask");
+    const mask = image.dict.get("Mask");
+
+    if (smask) {
+      smaskData = smask;
+    } else if (mask) {
+      if ((0, _primitives.isStream)(mask) || Array.isArray(mask)) {
+        maskData = mask;
+      } else {
+        (0, _util.warn)("Unsupported mask format.");
+      }
+    }
+
+    return new PDFImage({
+      xref,
+      res,
+      image: imageData,
+      isInline,
+      smask: smaskData,
+      mask: maskData,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+  }
+
+  static createMask({
+    imgArray,
+    width,
+    height,
+    imageIsFromDecodeStream,
+    inverseDecode
+  }) {
+    var computedLength = (width + 7 >> 3) * height;
+    var actualLength = imgArray.byteLength;
+    var haveFullData = computedLength === actualLength;
+    var data, i;
+
+    if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) {
+      data = imgArray;
+    } else if (!inverseDecode) {
+      data = new Uint8ClampedArray(actualLength);
+      data.set(imgArray);
+    } else {
+      data = new Uint8ClampedArray(computedLength);
+      data.set(imgArray);
+
+      for (i = actualLength; i < computedLength; i++) {
+        data[i] = 0xff;
+      }
+    }
+
+    if (inverseDecode) {
+      for (i = 0; i < actualLength; i++) {
+        data[i] ^= 0xff;
+      }
+    }
+
+    return {
+      data,
+      width,
+      height
+    };
+  }
+
+  get drawWidth() {
+    return Math.max(this.width, this.smask && this.smask.width || 0, this.mask && this.mask.width || 0);
+  }
+
+  get drawHeight() {
+    return Math.max(this.height, this.smask && this.smask.height || 0, this.mask && this.mask.height || 0);
+  }
+
+  decodeBuffer(buffer) {
+    var bpc = this.bpc;
+    var numComps = this.numComps;
+    var decodeAddends = this.decodeAddends;
+    var decodeCoefficients = this.decodeCoefficients;
+    var max = (1 << bpc) - 1;
+    var i, ii;
+
+    if (bpc === 1) {
+      for (i = 0, ii = buffer.length; i < ii; i++) {
+        buffer[i] = +!buffer[i];
+      }
+
+      return;
+    }
+
+    var index = 0;
+
+    for (i = 0, ii = this.width * this.height; i < ii; i++) {
+      for (var j = 0; j < numComps; j++) {
+        buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], decodeCoefficients[j], max);
+        index++;
+      }
+    }
+  }
+
+  getComponents(buffer) {
+    var bpc = this.bpc;
+
+    if (bpc === 8) {
+      return buffer;
+    }
+
+    var width = this.width;
+    var height = this.height;
+    var numComps = this.numComps;
+    var length = width * height * numComps;
+    var bufferPos = 0;
+    let output;
+
+    if (bpc <= 8) {
+      output = new Uint8Array(length);
+    } else if (bpc <= 16) {
+      output = new Uint16Array(length);
+    } else {
+      output = new Uint32Array(length);
+    }
+
+    var rowComps = width * numComps;
+    var max = (1 << bpc) - 1;
+    var i = 0,
+        ii,
+        buf;
+
+    if (bpc === 1) {
+      var mask, loop1End, loop2End;
+
+      for (var j = 0; j < height; j++) {
+        loop1End = i + (rowComps & ~7);
+        loop2End = i + rowComps;
+
+        while (i < loop1End) {
+          buf = buffer[bufferPos++];
+          output[i] = buf >> 7 & 1;
+          output[i + 1] = buf >> 6 & 1;
+          output[i + 2] = buf >> 5 & 1;
+          output[i + 3] = buf >> 4 & 1;
+          output[i + 4] = buf >> 3 & 1;
+          output[i + 5] = buf >> 2 & 1;
+          output[i + 6] = buf >> 1 & 1;
+          output[i + 7] = buf & 1;
+          i += 8;
+        }
+
+        if (i < loop2End) {
+          buf = buffer[bufferPos++];
+          mask = 128;
+
+          while (i < loop2End) {
+            output[i++] = +!!(buf & mask);
+            mask >>= 1;
+          }
+        }
+      }
+    } else {
+      var bits = 0;
+      buf = 0;
+
+      for (i = 0, ii = length; i < ii; ++i) {
+        if (i % rowComps === 0) {
+          buf = 0;
+          bits = 0;
+        }
+
+        while (bits < bpc) {
+          buf = buf << 8 | buffer[bufferPos++];
+          bits += 8;
+        }
+
+        var remainingBits = bits - bpc;
+        let value = buf >> remainingBits;
+
+        if (value < 0) {
+          value = 0;
+        } else if (value > max) {
+          value = max;
+        }
+
+        output[i] = value;
+        buf = buf & (1 << remainingBits) - 1;
+        bits = remainingBits;
+      }
+    }
+
+    return output;
+  }
+
+  fillOpacity(rgbaBuf, width, height, actualHeight, image) {
+    var smask = this.smask;
+    var mask = this.mask;
+    var alphaBuf, sw, sh, i, ii, j;
+
+    if (smask) {
+      sw = smask.width;
+      sh = smask.height;
+      alphaBuf = new Uint8ClampedArray(sw * sh);
+      smask.fillGrayBuffer(alphaBuf);
+
+      if (sw !== width || sh !== height) {
+        alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height);
+      }
+    } else if (mask) {
+      if (mask instanceof PDFImage) {
+        sw = mask.width;
+        sh = mask.height;
+        alphaBuf = new Uint8ClampedArray(sw * sh);
+        mask.numComps = 1;
+        mask.fillGrayBuffer(alphaBuf);
+
+        for (i = 0, ii = sw * sh; i < ii; ++i) {
+          alphaBuf[i] = 255 - alphaBuf[i];
+        }
+
+        if (sw !== width || sh !== height) {
+          alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height);
+        }
+      } else if (Array.isArray(mask)) {
+        alphaBuf = new Uint8ClampedArray(width * height);
+        var numComps = this.numComps;
+
+        for (i = 0, ii = width * height; i < ii; ++i) {
+          var opacity = 0;
+          var imageOffset = i * numComps;
+
+          for (j = 0; j < numComps; ++j) {
+            var color = image[imageOffset + j];
+            var maskOffset = j * 2;
+
+            if (color < mask[maskOffset] || color > mask[maskOffset + 1]) {
+              opacity = 255;
+              break;
+            }
+          }
+
+          alphaBuf[i] = opacity;
+        }
+      } else {
+        throw new _util.FormatError("Unknown mask format.");
+      }
+    }
+
+    if (alphaBuf) {
+      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+        rgbaBuf[j] = alphaBuf[i];
+      }
+    } else {
+      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+        rgbaBuf[j] = 255;
+      }
+    }
+  }
+
+  undoPreblend(buffer, width, height) {
+    var matte = this.smask && this.smask.matte;
+
+    if (!matte) {
+      return;
+    }
+
+    var matteRgb = this.colorSpace.getRgb(matte, 0);
+    var matteR = matteRgb[0];
+    var matteG = matteRgb[1];
+    var matteB = matteRgb[2];
+    var length = width * height * 4;
+
+    for (var i = 0; i < length; i += 4) {
+      var alpha = buffer[i + 3];
+
+      if (alpha === 0) {
+        buffer[i] = 255;
+        buffer[i + 1] = 255;
+        buffer[i + 2] = 255;
+        continue;
+      }
+
+      var k = 255 / alpha;
+      buffer[i] = (buffer[i] - matteR) * k + matteR;
+      buffer[i + 1] = (buffer[i + 1] - matteG) * k + matteG;
+      buffer[i + 2] = (buffer[i + 2] - matteB) * k + matteB;
+    }
+  }
+
+  createImageData(forceRGBA = false) {
+    var drawWidth = this.drawWidth;
+    var drawHeight = this.drawHeight;
+    var imgData = {
+      width: drawWidth,
+      height: drawHeight,
+      kind: 0,
+      data: null
+    };
+    var numComps = this.numComps;
+    var originalWidth = this.width;
+    var originalHeight = this.height;
+    var bpc = this.bpc;
+    var rowBytes = originalWidth * numComps * bpc + 7 >> 3;
+    var imgArray;
+
+    if (!forceRGBA) {
+      var kind;
+
+      if (this.colorSpace.name === "DeviceGray" && bpc === 1) {
+        kind = _util.ImageKind.GRAYSCALE_1BPP;
+      } else if (this.colorSpace.name === "DeviceRGB" && bpc === 8 && !this.needsDecode) {
+        kind = _util.ImageKind.RGB_24BPP;
+      }
+
+      if (kind && !this.smask && !this.mask && drawWidth === originalWidth && drawHeight === originalHeight) {
+        imgData.kind = kind;
+        imgArray = this.getImageBytes(originalHeight * rowBytes);
+
+        if (this.image instanceof _stream.DecodeStream) {
+          imgData.data = imgArray;
+        } else {
+          var newArray = new Uint8ClampedArray(imgArray.length);
+          newArray.set(imgArray);
+          imgData.data = newArray;
+        }
+
+        if (this.needsDecode) {
+          (0, _util.assert)(kind === _util.ImageKind.GRAYSCALE_1BPP, "PDFImage.createImageData: The image must be grayscale.");
+          var buffer = imgData.data;
+
+          for (var i = 0, ii = buffer.length; i < ii; i++) {
+            buffer[i] ^= 0xff;
+          }
+        }
+
+        return imgData;
+      }
+
+      if (this.image instanceof _jpeg_stream.JpegStream && !this.smask && !this.mask) {
+        let imageLength = originalHeight * rowBytes;
+
+        switch (this.colorSpace.name) {
+          case "DeviceGray":
+            imageLength *= 3;
+
+          case "DeviceRGB":
+          case "DeviceCMYK":
+            imgData.kind = _util.ImageKind.RGB_24BPP;
+            imgData.data = this.getImageBytes(imageLength, drawWidth, drawHeight, true);
+            return imgData;
+        }
+      }
+    }
+
+    imgArray = this.getImageBytes(originalHeight * rowBytes);
+    var actualHeight = 0 | imgArray.length / rowBytes * drawHeight / originalHeight;
+    var comps = this.getComponents(imgArray);
+    var alpha01, maybeUndoPreblend;
+
+    if (!forceRGBA && !this.smask && !this.mask) {
+      imgData.kind = _util.ImageKind.RGB_24BPP;
+      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 3);
+      alpha01 = 0;
+      maybeUndoPreblend = false;
+    } else {
+      imgData.kind = _util.ImageKind.RGBA_32BPP;
+      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 4);
+      alpha01 = 1;
+      maybeUndoPreblend = true;
+      this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, comps);
+    }
+
+    if (this.needsDecode) {
+      this.decodeBuffer(comps);
+    }
+
+    this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, drawWidth, drawHeight, actualHeight, bpc, comps, alpha01);
+
+    if (maybeUndoPreblend) {
+      this.undoPreblend(imgData.data, drawWidth, actualHeight);
+    }
+
+    return imgData;
+  }
+
+  fillGrayBuffer(buffer) {
+    var numComps = this.numComps;
+
+    if (numComps !== 1) {
+      throw new _util.FormatError(`Reading gray scale from a color image: ${numComps}`);
+    }
+
+    var width = this.width;
+    var height = this.height;
+    var bpc = this.bpc;
+    var rowBytes = width * numComps * bpc + 7 >> 3;
+    var imgArray = this.getImageBytes(height * rowBytes);
+    var comps = this.getComponents(imgArray);
+    var i, length;
+
+    if (bpc === 1) {
+      length = width * height;
+
+      if (this.needsDecode) {
+        for (i = 0; i < length; ++i) {
+          buffer[i] = comps[i] - 1 & 255;
+        }
+      } else {
+        for (i = 0; i < length; ++i) {
+          buffer[i] = -comps[i] & 255;
+        }
+      }
+
+      return;
+    }
+
+    if (this.needsDecode) {
+      this.decodeBuffer(comps);
+    }
+
+    length = width * height;
+    var scale = 255 / ((1 << bpc) - 1);
+
+    for (i = 0; i < length; ++i) {
+      buffer[i] = scale * comps[i];
+    }
+  }
+
+  getImageBytes(length, drawWidth, drawHeight, forceRGB = false) {
+    this.image.reset();
+    this.image.drawWidth = drawWidth || this.width;
+    this.image.drawHeight = drawHeight || this.height;
+    this.image.forceRGB = !!forceRGB;
+    return this.image.getBytes(length, true);
+  }
+
+}
+
+exports.PDFImage = PDFImage;
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const CallbackKind = {
+  UNKNOWN: 0,
+  DATA: 1,
+  ERROR: 2
+};
+const StreamKind = {
+  UNKNOWN: 0,
+  CANCEL: 1,
+  CANCEL_COMPLETE: 2,
+  CLOSE: 3,
+  ENQUEUE: 4,
+  ERROR: 5,
+  PULL: 6,
+  PULL_COMPLETE: 7,
+  START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+  if (typeof reason !== "object" || reason === null) {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case "AbortException":
+      return new _util.AbortException(reason.message);
+
+    case "MissingPDFException":
+      return new _util.MissingPDFException(reason.message);
+
+    case "UnexpectedResponseException":
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    case "UnknownErrorException":
+      return new _util.UnknownErrorException(reason.message, reason.details);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.toString());
+  }
+}
+
+class MessageHandler {
+  constructor(sourceName, targetName, comObj) {
+    this.sourceName = sourceName;
+    this.targetName = targetName;
+    this.comObj = comObj;
+    this.callbackId = 1;
+    this.streamId = 1;
+    this.postMessageTransfers = true;
+    this.streamSinks = Object.create(null);
+    this.streamControllers = Object.create(null);
+    this.callbackCapabilities = Object.create(null);
+    this.actionHandler = Object.create(null);
+
+    this._onComObjOnMessage = event => {
+      const data = event.data;
+
+      if (data.targetName !== this.sourceName) {
+        return;
+      }
+
+      if (data.stream) {
+        this._processStreamMessage(data);
+
+        return;
+      }
+
+      if (data.callback) {
+        const callbackId = data.callbackId;
+        const capability = this.callbackCapabilities[callbackId];
+
+        if (!capability) {
+          throw new Error(`Cannot resolve callback ${callbackId}`);
+        }
+
+        delete this.callbackCapabilities[callbackId];
+
+        if (data.callback === CallbackKind.DATA) {
+          capability.resolve(data.data);
+        } else if (data.callback === CallbackKind.ERROR) {
+          capability.reject(wrapReason(data.reason));
+        } else {
+          throw new Error("Unexpected callback case");
+        }
+
+        return;
+      }
+
+      const action = this.actionHandler[data.action];
+
+      if (!action) {
+        throw new Error(`Unknown action from worker: ${data.action}`);
+      }
+
+      if (data.callbackId) {
+        const cbSourceName = this.sourceName;
+        const cbTargetName = data.sourceName;
+        new Promise(function (resolve) {
+          resolve(action(data.data));
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.DATA,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.ERROR,
+            callbackId: data.callbackId,
+            reason: wrapReason(reason)
+          });
+        });
+        return;
+      }
+
+      if (data.streamId) {
+        this._createStreamSink(data);
+
+        return;
+      }
+
+      action(data.data);
+    };
+
+    comObj.addEventListener("message", this._onComObjOnMessage);
+  }
+
+  on(actionName, handler) {
+    const ah = this.actionHandler;
+
+    if (ah[actionName]) {
+      throw new Error(`There is already an actionName called "${actionName}"`);
+    }
+
+    ah[actionName] = handler;
+  }
+
+  send(actionName, data, transfers) {
+    this._postMessage({
+      sourceName: this.sourceName,
+      targetName: this.targetName,
+      action: actionName,
+      data
+    }, transfers);
+  }
+
+  sendWithPromise(actionName, data, transfers) {
+    const callbackId = this.callbackId++;
+    const capability = (0, _util.createPromiseCapability)();
+    this.callbackCapabilities[callbackId] = capability;
+
+    try {
+      this._postMessage({
+        sourceName: this.sourceName,
+        targetName: this.targetName,
+        action: actionName,
+        callbackId,
+        data
+      }, transfers);
+    } catch (ex) {
+      capability.reject(ex);
+    }
+
+    return capability.promise;
+  }
+
+  sendWithStream(actionName, data, queueingStrategy, transfers) {
+    const streamId = this.streamId++;
+    const sourceName = this.sourceName;
+    const targetName = this.targetName;
+    const comObj = this.comObj;
+    return new ReadableStream({
+      start: controller => {
+        const startCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId] = {
+          controller,
+          startCall: startCapability,
+          pullCall: null,
+          cancelCall: null,
+          isClosed: false
+        };
+
+        this._postMessage({
+          sourceName,
+          targetName,
+          action: actionName,
+          streamId,
+          data,
+          desiredSize: controller.desiredSize
+        }, transfers);
+
+        return startCapability.promise;
+      },
+      pull: controller => {
+        const pullCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].pullCall = pullCapability;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.PULL,
+          streamId,
+          desiredSize: controller.desiredSize
+        });
+        return pullCapability.promise;
+      },
+      cancel: reason => {
+        (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+        const cancelCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].cancelCall = cancelCapability;
+        this.streamControllers[streamId].isClosed = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CANCEL,
+          streamId,
+          reason: wrapReason(reason)
+        });
+        return cancelCapability.promise;
+      }
+    }, queueingStrategy);
+  }
+
+  _createStreamSink(data) {
+    const self = this;
+    const action = this.actionHandler[data.action];
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+    const streamSink = {
+      enqueue(chunk, size = 1, transfers) {
+        if (this.isCancelled) {
+          return;
+        }
+
+        const lastDesiredSize = this.desiredSize;
+        this.desiredSize -= size;
+
+        if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+          this.sinkCapability = (0, _util.createPromiseCapability)();
+          this.ready = this.sinkCapability.promise;
+        }
+
+        self._postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ENQUEUE,
+          streamId,
+          chunk
+        }, transfers);
+      },
+
+      close() {
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CLOSE,
+          streamId
+        });
+        delete self.streamSinks[streamId];
+      },
+
+      error(reason) {
+        (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ERROR,
+          streamId,
+          reason: wrapReason(reason)
+        });
+      },
+
+      sinkCapability: (0, _util.createPromiseCapability)(),
+      onPull: null,
+      onCancel: null,
+      isCancelled: false,
+      desiredSize: data.desiredSize,
+      ready: null
+    };
+    streamSink.sinkCapability.resolve();
+    streamSink.ready = streamSink.sinkCapability.promise;
+    this.streamSinks[streamId] = streamSink;
+    new Promise(function (resolve) {
+      resolve(action(data.data, streamSink));
+    }).then(function () {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        success: true
+      });
+    }, function (reason) {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        reason: wrapReason(reason)
+      });
+    });
+  }
+
+  _processStreamMessage(data) {
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+
+    switch (data.stream) {
+      case StreamKind.START_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].startCall.resolve();
+        } else {
+          this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].pullCall.resolve();
+        } else {
+          this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL:
+        if (!this.streamSinks[streamId]) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+          break;
+        }
+
+        if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+          this.streamSinks[streamId].sinkCapability.resolve();
+        }
+
+        this.streamSinks[streamId].desiredSize = data.desiredSize;
+        const {
+          onPull
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onPull && onPull());
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        break;
+
+      case StreamKind.ENQUEUE:
+        (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].controller.enqueue(data.chunk);
+        break;
+
+      case StreamKind.CLOSE:
+        (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].isClosed = true;
+        this.streamControllers[streamId].controller.close();
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.ERROR:
+        (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+        this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].cancelCall.resolve();
+        } else {
+          this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+        }
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL:
+        if (!this.streamSinks[streamId]) {
+          break;
+        }
+
+        const {
+          onCancel
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onCancel && onCancel(wrapReason(data.reason)));
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+        this.streamSinks[streamId].isCancelled = true;
+        delete this.streamSinks[streamId];
+        break;
+
+      default:
+        throw new Error("Unexpected stream case");
+    }
+  }
+
+  async _deleteStreamController(streamId) {
+    await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+      return capability && capability.promise;
+    }));
+    delete this.streamControllers[streamId];
+  }
+
+  _postMessage(message, transfers) {
+    if (transfers && this.postMessageTransfers) {
+      this.comObj.postMessage(message, transfers);
+    } else {
+      this.comObj.postMessage(message);
+    }
+  }
+
+  destroy() {
+    this.comObj.removeEventListener("message", this._onComObjOnMessage);
+  }
+
+}
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFWorkerStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class PDFWorkerStream {
+  constructor(msgHandler) {
+    this._msgHandler = msgHandler;
+    this._contentLength = null;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFWorkerStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFWorkerStreamReader(this._msgHandler);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    const reader = new PDFWorkerStreamRangeReader(begin, end, this._msgHandler);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFWorkerStream = PDFWorkerStream;
+
+class PDFWorkerStreamReader {
+  constructor(msgHandler) {
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+    this._contentLength = null;
+    this._isRangeSupported = false;
+    this._isStreamingSupported = false;
+
+    const readableStream = this._msgHandler.sendWithStream("GetReader");
+
+    this._reader = readableStream.getReader();
+    this._headersReady = this._msgHandler.sendWithPromise("ReaderHeadersReady").then(data => {
+      this._isStreamingSupported = data.isStreamingSupported;
+      this._isRangeSupported = data.isRangeSupported;
+      this._contentLength = data.contentLength;
+    });
+  }
+
+  get headersReady() {
+    return this._headersReady;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  async read() {
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    return {
+      value: value.buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    this._reader.cancel(reason);
+  }
+
+}
+
+class PDFWorkerStreamRangeReader {
+  constructor(begin, end, msgHandler) {
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+
+    const readableStream = this._msgHandler.sendWithStream("GetRangeReader", {
+      begin,
+      end
+    });
+
+    this._reader = readableStream.getReader();
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    return {
+      value: value.buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    this._reader.cancel(reason);
+  }
+
+}
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.worker.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.worker.js.map b/node_modules/pdfjs-dist/build/pdf.worker.js.map
new file mode 100644
index 00000000..91086a29
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.worker.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://pdfjs-dist/build/pdf.worker/webpack/universalModuleDefinition","webpack://pdfjs-dist/build/pdf.worker/webpack/bootstrap","webpack://pdfjs-dist/build/pdf.worker/src/pdf.worker.js","webpack://pdfjs-dist/build/pdf.worker/src/core/worker.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/util.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/compatibility.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/is_node.js","webpack://pdfjs-dist/build/pdf.worker/src/core/primitives.js","webpack://pdfjs-dist/build/pdf.worker/src/core/pdf_manager.js","webpack://pdfjs-dist/build/pdf.worker/src/core/chunked_stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/core_utils.js","webpack://pdfjs-dist/build/pdf.worker/src/core/document.js","webpack://pdfjs-dist/build/pdf.worker/src/core/obj.js","webpack://pdfjs-dist/build/pdf.worker/src/core/parser.js","webpack://pdfjs-dist/build/pdf.worker/src/core/stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/ccitt_stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/ccitt.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jbig2_stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jbig2.js","webpack://pdfjs-dist/build/pdf.worker/src/core/arithmetic_decoder.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jpeg_stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jpg.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jpx_stream.js","webpack://pdfjs-dist/build/pdf.worker/src/core/jpx.js","webpack://pdfjs-dist/build/pdf.worker/src/core/crypto.js","webpack://pdfjs-dist/build/pdf.worker/src/core/colorspace.js","webpack://pdfjs-dist/build/pdf.worker/src/core/image_utils.js","webpack://pdfjs-dist/build/pdf.worker/src/core/annotation.js","webpack://pdfjs-dist/build/pdf.worker/src/core/operator_list.js","webpack://pdfjs-dist/build/pdf.worker/src/core/writer.js","webpack://pdfjs-dist/build/pdf.worker/src/core/evaluator.js","webpack://pdfjs-dist/build/pdf.worker/src/core/cmap.js","webpack://pdfjs-dist/build/pdf.worker/src/core/fonts.js","webpack://pdfjs-dist/build/pdf.worker/src/core/cff_parser.js","webpack://pdfjs-dist/build/pdf.worker/src/core/charsets.js","webpack://pdfjs-dist/build/pdf.worker/src/core/encodings.js","webpack://pdfjs-dist/build/pdf.worker/src/core/glyphlist.js","webpack://pdfjs-dist/build/pdf.worker/src/core/standard_fonts.js","webpack://pdfjs-dist/build/pdf.worker/src/core/unicode.js","webpack://pdfjs-dist/build/pdf.worker/src/core/font_renderer.js","webpack://pdfjs-dist/build/pdf.worker/src/core/type1_parser.js","webpack://pdfjs-dist/build/pdf.worker/src/core/pattern.js","webpack://pdfjs-dist/build/pdf.worker/src/core/function.js","webpack://pdfjs-dist/build/pdf.worker/src/core/ps_parser.js","webpack://pdfjs-dist/build/pdf.worker/src/core/bidi.js","webpack://pdfjs-dist/build/pdf.worker/src/core/metrics.js","webpack://pdfjs-dist/build/pdf.worker/src/core/murmurhash3.js","webpack://pdfjs-dist/build/pdf.worker/src/core/image.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/message_handler.js","webpack://pdfjs-dist/build/pdf.worker/src/core/worker_stream.js"],"names":["pdfjsVersion","pdfjsBuild","constructor","finish","terminate","ensureNotTerminated","testMessageProcessed","handler","supportTransfers","data","setVerbosityLevel","WorkerMessageHandler","terminated","cancelXHRs","WorkerTasks","verbosity","apiVersion","docParams","workerVersion","enumerableProperties","Promise","docId","docBaseUrl","workerHandlerName","task","i","pdfManager","pdfManagerCapability","source","newPdfManager","cachedChunks","pdfStream","fullRequest","disableAutoFetch","msgHandler","password","length","rangeChunkSize","loaded","flushChunks","pdfFile","arraysToBytes","warn","readPromise","readChunk","arrayByteLength","total","Math","reject","pdfInfo","ex","startWorkerTask","finishWorkerTask","pdfManagerReady","loadDocument","onFailure","evaluatorOptions","maxImageSize","disableFontFace","ignoreErrors","isEvalSupported","fontExtraProperties","getPdfManager","stream","pageRef","Ref","ref","page","promises","document","pageIndex","newRefs","x","a","xref","newXrefInfo","Object","_info","xrefInfo","isString","stringToPDFString","rootRef","encrypt","newRef","infoRef","info","fileIds","startXRef","incrementalUpdate","start","VerbosityLevel","Date","intent","renderInteractiveForms","annotationStorage","operatorListInfo","sink","featureId","UNSUPPORTED_FEATURES","normalizeWhitespace","combineTextItems","waitOn","cleanupPromise","setupDoc","maybePort","isMessagePort","IDENTITY_MATRIX","FONT_IDENTITY_MATRIX","PermissionFlag","PRINT","MODIFY_CONTENTS","COPY","MODIFY_ANNOTATIONS","FILL_INTERACTIVE_FORMS","COPY_FOR_ACCESSIBILITY","ASSEMBLE","PRINT_HIGH_QUALITY","TextRenderingMode","FILL","STROKE","FILL_STROKE","INVISIBLE","FILL_ADD_TO_PATH","STROKE_ADD_TO_PATH","FILL_STROKE_ADD_TO_PATH","ADD_TO_PATH","FILL_STROKE_MASK","ADD_TO_PATH_FLAG","ImageKind","GRAYSCALE_1BPP","RGB_24BPP","RGBA_32BPP","AnnotationType","TEXT","LINK","FREETEXT","LI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module.exports, __w_pdfjs_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__w_pdfjs_require__.m = modules;\n\n \t// expose the module cache\n \t__w_pdfjs_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__w_pdfjs_require__.d = function(exports, name, getter) {\n \t\tif(!__w_pdfjs_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__w_pdfjs_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__w_pdfjs_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __w_pdfjs_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__w_pdfjs_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__w_pdfjs_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__w_pdfjs_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WorkerMessageHandler } from \"./core/worker.js\";\n\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsVersion = PDFJSDev.eval(\"BUNDLE_VERSION\");\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsBuild = PDFJSDev.eval(\"BUNDLE_BUILD\");\n\nexport { WorkerMessageHandler };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  arrayByteLength,\n  arraysToBytes,\n  createPromiseCapability,\n  getVerbosityLevel,\n  info,\n  InvalidPDFException,\n  isString,\n  MissingPDFException,\n  PasswordException,\n  setVerbosityLevel,\n  stringToPDFString,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  UNSUPPORTED_FEATURES,\n  VerbosityLevel,\n  warn,\n} from \"../shared/util.js\";\nimport { clearPrimitiveCaches, Ref } from \"./primitives.js\";\nimport { LocalPdfManager, NetworkPdfManager } from \"./pdf_manager.js\";\nimport { incrementalUpdate } from \"./writer.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { MessageHandler } from \"../shared/message_handler.js\";\nimport { PDFWorkerStream } from \"./worker_stream.js\";\nimport { XRefParseException } from \"./core_utils.js\";\n\nclass WorkerTask {\n  constructor(name) {\n    this.name = name;\n    this.terminated = false;\n    this._capability = createPromiseCapability();\n  }\n\n  get finished() {\n    return this._capability.promise;\n  }\n\n  finish() {\n    this._capability.resolve();\n  }\n\n  terminate() {\n    this.terminated = true;\n  }\n\n  ensureNotTerminated() {\n    if (this.terminated) {\n      throw new Error(\"Worker task was terminated\");\n    }\n  }\n}\n\nclass WorkerMessageHandler {\n  static setup(handler, port) {\n    var testMessageProcessed = false;\n    handler.on(\"test\", function wphSetupTest(data) {\n      if (testMessageProcessed) {\n        return; // we already processed 'test' message once\n      }\n      testMessageProcessed = true;\n\n      // check if Uint8Array can be sent to worker\n      if (!(data instanceof Uint8Array)) {\n        handler.send(\"test\", null);\n        return;\n      }\n      // making sure postMessage transfers are working\n      const supportTransfers = data[0] === 255;\n      handler.postMessageTransfers = supportTransfers;\n\n      handler.send(\"test\", { supportTransfers });\n    });\n\n    handler.on(\"configure\", function wphConfigure(data) {\n      setVerbosityLevel(data.verbosity);\n    });\n\n    handler.on(\"GetDocRequest\", function wphSetupDoc(data) {\n      return WorkerMessageHandler.createDocumentHandler(data, port);\n    });\n  }\n\n  static createDocumentHandler(docParams, port) {\n    // This context is actually holds references on pdfManager and handler,\n    // until the latter is destroyed.\n    var pdfManager;\n    var terminated = false;\n    var cancelXHRs = null;\n    var WorkerTasks = [];\n    const verbosity = getVerbosityLevel();\n\n    const apiVersion = docParams.apiVersion;\n    const workerVersion =\n      typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"TESTING\")\n        ? PDFJSDev.eval(\"BUNDLE_VERSION\")\n        : null;\n    if (apiVersion !== workerVersion) {\n      throw new Error(\n        `The API version \"${apiVersion}\" does not match ` +\n          `the Worker version \"${workerVersion}\".`\n      );\n    }\n\n    if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n      // Fail early, and predictably, rather than having (some) fonts fail to\n      // load/render with slightly cryptic error messages in environments where\n      // the `Array.prototype` has been *incorrectly* extended.\n      //\n      // PLEASE NOTE: We do *not* want to slow down font parsing by adding\n      //              `hasOwnProperty` checks all over the code-base.\n      const enumerableProperties = [];\n      for (const property in []) {\n        enumerableProperties.push(property);\n      }\n      if (enumerableProperties.length) {\n        throw new Error(\n          \"The `Array.prototype` contains unexpected enumerable properties: \" +\n            enumerableProperties.join(\", \") +\n            \"; thus breaking e.g. `for...in` iteration of `Array`s.\"\n        );\n      }\n\n      // Ensure that (primarily) Node.js users won't accidentally attempt to use\n      // a non-translated/non-polyfilled build of the library, since that would\n      // quickly fail anyway because of missing functionality (such as e.g.\n      // `ReadableStream` and `Promise.allSettled`).\n      if (\n        (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"SKIP_BABEL\")) &&\n        (typeof ReadableStream === \"undefined\" ||\n          typeof Promise.allSettled === \"undefined\")\n      ) {\n        throw new Error(\n          \"The browser/environment lacks native support for critical \" +\n            \"functionality used by the PDF.js library (e.g. \" +\n            \"`ReadableStream` and/or `Promise.allSettled`); \" +\n            \"please use an ES5-compatible build instead.\"\n        );\n      }\n    }\n\n    var docId = docParams.docId;\n    var docBaseUrl = docParams.docBaseUrl;\n    var workerHandlerName = docParams.docId + \"_worker\";\n    var handler = new MessageHandler(workerHandlerName, docId, port);\n\n    // Ensure that postMessage transfers are always correctly enabled/disabled,\n    // to prevent \"DataCloneError\" in browsers without transfers support.\n    handler.postMessageTransfers = docParams.postMessageTransfers;\n\n    function ensureNotTerminated() {\n      if (terminated) {\n        throw new Error(\"Worker was terminated\");\n      }\n    }\n\n    function startWorkerTask(task) {\n      WorkerTasks.push(task);\n    }\n\n    function finishWorkerTask(task) {\n      task.finish();\n      var i = WorkerTasks.indexOf(task);\n      WorkerTasks.splice(i, 1);\n    }\n\n    async function loadDocument(recoveryMode) {\n      await pdfManager.ensureDoc(\"checkHeader\");\n      await pdfManager.ensureDoc(\"parseStartXRef\");\n      await pdfManager.ensureDoc(\"parse\", [recoveryMode]);\n\n      if (!recoveryMode) {\n        // Check that at least the first page can be successfully loaded,\n        // since otherwise the XRef table is definitely not valid.\n        await pdfManager.ensureDoc(\"checkFirstPage\");\n      }\n\n      const [numPages, fingerprint] = await Promise.all([\n        pdfManager.ensureDoc(\"numPages\"),\n        pdfManager.ensureDoc(\"fingerprint\"),\n      ]);\n      return { numPages, fingerprint };\n    }\n\n    function getPdfManager(data, evaluatorOptions) {\n      var pdfManagerCapability = createPromiseCapability();\n      let newPdfManager;\n\n      var source = data.source;\n      if (source.data) {\n        try {\n          newPdfManager = new LocalPdfManager(\n            docId,\n            source.data,\n            source.password,\n            evaluatorOptions,\n            docBaseUrl\n          );\n          pdfManagerCapability.resolve(newPdfManager);\n        } catch (ex) {\n          pdfManagerCapability.reject(ex);\n        }\n        return pdfManagerCapability.promise;\n      }\n\n      var pdfStream,\n        cachedChunks = [];\n      try {\n        pdfStream = new PDFWorkerStream(handler);\n      } catch (ex) {\n        pdfManagerCapability.reject(ex);\n        return pdfManagerCapability.promise;\n      }\n\n      var fullRequest = pdfStream.getFullReader();\n      fullRequest.headersReady\n        .then(function () {\n          if (!fullRequest.isRangeSupported) {\n            return;\n          }\n\n          // We don't need auto-fetch when streaming is enabled.\n          var disableAutoFetch =\n            source.disableAutoFetch || fullRequest.isStreamingSupported;\n          newPdfManager = new NetworkPdfManager(\n            docId,\n            pdfStream,\n            {\n              msgHandler: handler,\n              password: source.password,\n              length: fullRequest.contentLength,\n              disableAutoFetch,\n              rangeChunkSize: source.rangeChunkSize,\n            },\n            evaluatorOptions,\n            docBaseUrl\n          );\n          // There may be a chance that `newPdfManager` is not initialized for\n          // the first few runs of `readchunk` block of code. Be sure to send\n          // all cached chunks, if any, to chunked_stream via pdf_manager.\n          for (let i = 0; i < cachedChunks.length; i++) {\n            newPdfManager.sendProgressiveData(cachedChunks[i]);\n          }\n\n          cachedChunks = [];\n          pdfManagerCapability.resolve(newPdfManager);\n          cancelXHRs = null;\n        })\n        .catch(function (reason) {\n          pdfManagerCapability.reject(reason);\n          cancelXHRs = null;\n        });\n\n      var loaded = 0;\n      var flushChunks = function () {\n        var pdfFile = arraysToBytes(cachedChunks);\n        if (source.length && pdfFile.length !== source.length) {\n          warn(\"reported HTTP length is different from actual\");\n        }\n        // the data is array, instantiating directly from it\n        try {\n          newPdfManager = new LocalPdfManager(\n            docId,\n            pdfFile,\n            source.password,\n            evaluatorOptions,\n            docBaseUrl\n          );\n          pdfManagerCapability.resolve(newPdfManager);\n        } catch (ex) {\n          pdfManagerCapability.reject(ex);\n        }\n        cachedChunks = [];\n      };\n      var readPromise = new Promise(function (resolve, reject) {\n        var readChunk = function ({ value, done }) {\n          try {\n            ensureNotTerminated();\n            if (done) {\n              if (!newPdfManager) {\n                flushChunks();\n              }\n              cancelXHRs = null;\n              return;\n            }\n\n            loaded += arrayByteLength(value);\n            if (!fullRequest.isStreamingSupported) {\n              handler.send(\"DocProgress\", {\n                loaded,\n                total: Math.max(loaded, fullRequest.contentLength || 0),\n              });\n            }\n\n            if (newPdfManager) {\n              newPdfManager.sendProgressiveData(value);\n            } else {\n              cachedChunks.push(value);\n            }\n\n            fullRequest.read().then(readChunk, reject);\n          } catch (e) {\n            reject(e);\n          }\n        };\n        fullRequest.read().then(readChunk, reject);\n      });\n      readPromise.catch(function (e) {\n        pdfManagerCapability.reject(e);\n        cancelXHRs = null;\n      });\n\n      cancelXHRs = function (reason) {\n        pdfStream.cancelAllRequests(reason);\n      };\n\n      return pdfManagerCapability.promise;\n    }\n\n    function setupDoc(data) {\n      function onSuccess(doc) {\n        ensureNotTerminated();\n        handler.send(\"GetDoc\", { pdfInfo: doc });\n      }\n\n      function onFailure(ex) {\n        ensureNotTerminated();\n\n        if (ex instanceof PasswordException) {\n          var task = new WorkerTask(`PasswordException: response ${ex.code}`);\n          startWorkerTask(task);\n\n          handler\n            .sendWithPromise(\"PasswordRequest\", ex)\n            .then(function ({ password }) {\n              finishWorkerTask(task);\n              pdfManager.updatePassword(password);\n              pdfManagerReady();\n            })\n            .catch(function () {\n              finishWorkerTask(task);\n              handler.send(\"DocException\", ex);\n            });\n        } else if (\n          ex instanceof InvalidPDFException ||\n          ex instanceof MissingPDFException ||\n          ex instanceof UnexpectedResponseException ||\n          ex instanceof UnknownErrorException\n        ) {\n          handler.send(\"DocException\", ex);\n        } else {\n          handler.send(\n            \"DocException\",\n            new UnknownErrorException(ex.message, ex.toString())\n          );\n        }\n      }\n\n      function pdfManagerReady() {\n        ensureNotTerminated();\n\n        loadDocument(false).then(onSuccess, function (reason) {\n          ensureNotTerminated();\n\n          // Try again with recoveryMode == true\n          if (!(reason instanceof XRefParseException)) {\n            onFailure(reason);\n            return;\n          }\n          pdfManager.requestLoadedStream();\n          pdfManager.onLoadedStream().then(function () {\n            ensureNotTerminated();\n\n            loadDocument(true).then(onSuccess, onFailure);\n          });\n        });\n      }\n\n      ensureNotTerminated();\n\n      var evaluatorOptions = {\n        maxImageSize: data.maxImageSize,\n        disableFontFace: data.disableFontFace,\n        ignoreErrors: data.ignoreErrors,\n        isEvalSupported: data.isEvalSupported,\n        fontExtraProperties: data.fontExtraProperties,\n      };\n\n      getPdfManager(data, evaluatorOptions)\n        .then(function (newPdfManager) {\n          if (terminated) {\n            // We were in a process of setting up the manager, but it got\n            // terminated in the middle.\n            newPdfManager.terminate(\n              new AbortException(\"Worker was terminated.\")\n            );\n            throw new Error(\"Worker was terminated\");\n          }\n          pdfManager = newPdfManager;\n\n          pdfManager.onLoadedStream().then(function (stream) {\n            handler.send(\"DataLoaded\", { length: stream.bytes.byteLength });\n          });\n        })\n        .then(pdfManagerReady, onFailure);\n    }\n\n    handler.on(\"GetPage\", function wphSetupGetPage(data) {\n      return pdfManager.getPage(data.pageIndex).then(function (page) {\n        return Promise.all([\n          pdfManager.ensure(page, \"rotate\"),\n          pdfManager.ensure(page, \"ref\"),\n          pdfManager.ensure(page, \"userUnit\"),\n          pdfManager.ensure(page, \"view\"),\n        ]).then(function ([rotate, ref, userUnit, view]) {\n          return {\n            rotate,\n            ref,\n            userUnit,\n            view,\n          };\n        });\n      });\n    });\n\n    handler.on(\"GetPageIndex\", function wphSetupGetPageIndex({ ref }) {\n      const pageRef = Ref.get(ref.num, ref.gen);\n      return pdfManager.ensureCatalog(\"getPageIndex\", [pageRef]);\n    });\n\n    handler.on(\"GetDestinations\", function wphSetupGetDestinations(data) {\n      return pdfManager.ensureCatalog(\"destinations\");\n    });\n\n    handler.on(\"GetDestination\", function wphSetupGetDestination(data) {\n      return pdfManager.ensureCatalog(\"getDestination\", [data.id]);\n    });\n\n    handler.on(\"GetPageLabels\", function wphSetupGetPageLabels(data) {\n      return pdfManager.ensureCatalog(\"pageLabels\");\n    });\n\n    handler.on(\"GetPageLayout\", function wphSetupGetPageLayout(data) {\n      return pdfManager.ensureCatalog(\"pageLayout\");\n    });\n\n    handler.on(\"GetPageMode\", function wphSetupGetPageMode(data) {\n      return pdfManager.ensureCatalog(\"pageMode\");\n    });\n\n    handler.on(\"GetViewerPreferences\", function (data) {\n      return pdfManager.ensureCatalog(\"viewerPreferences\");\n    });\n\n    handler.on(\"GetOpenAction\", function (data) {\n      return pdfManager.ensureCatalog(\"openAction\");\n    });\n\n    handler.on(\"GetAttachments\", function wphSetupGetAttachments(data) {\n      return pdfManager.ensureCatalog(\"attachments\");\n    });\n\n    handler.on(\"GetJavaScript\", function wphSetupGetJavaScript(data) {\n      return pdfManager.ensureCatalog(\"javaScript\");\n    });\n\n    handler.on(\"GetOutline\", function wphSetupGetOutline(data) {\n      return pdfManager.ensureCatalog(\"documentOutline\");\n    });\n\n    handler.on(\"GetOptionalContentConfig\", function (data) {\n      return pdfManager.ensureCatalog(\"optionalContentConfig\");\n    });\n\n    handler.on(\"GetPermissions\", function (data) {\n      return pdfManager.ensureCatalog(\"permissions\");\n    });\n\n    handler.on(\"GetMetadata\", function wphSetupGetMetadata(data) {\n      return Promise.all([\n        pdfManager.ensureDoc(\"documentInfo\"),\n        pdfManager.ensureCatalog(\"metadata\"),\n      ]);\n    });\n\n    handler.on(\"GetData\", function wphSetupGetData(data) {\n      pdfManager.requestLoadedStream();\n      return pdfManager.onLoadedStream().then(function (stream) {\n        return stream.bytes;\n      });\n    });\n\n    handler.on(\"GetStats\", function wphSetupGetStats(data) {\n      return pdfManager.ensureXRef(\"stats\");\n    });\n\n    handler.on(\"GetAnnotations\", function ({ pageIndex, intent }) {\n      return pdfManager.getPage(pageIndex).then(function (page) {\n        return page.getAnnotationsData(intent);\n      });\n    });\n\n    handler.on(\"SaveDocument\", function ({\n      numPages,\n      annotationStorage,\n      filename,\n    }) {\n      pdfManager.requestLoadedStream();\n      const promises = [pdfManager.onLoadedStream()];\n      const document = pdfManager.pdfDocument;\n      for (let pageIndex = 0; pageIndex < numPages; pageIndex++) {\n        promises.push(\n          pdfManager.getPage(pageIndex).then(function (page) {\n            const task = new WorkerTask(`Save: page ${pageIndex}`);\n            return page.save(handler, task, annotationStorage);\n          })\n        );\n      }\n\n      return Promise.all(promises).then(([stream, ...refs]) => {\n        let newRefs = [];\n        for (const ref of refs) {\n          newRefs = ref\n            .filter(x => x !== null)\n            .reduce((a, b) => a.concat(b), newRefs);\n        }\n\n        if (newRefs.length === 0) {\n          // No new refs so just return the initial bytes\n          return stream.bytes;\n        }\n\n        const xref = document.xref;\n        let newXrefInfo = Object.create(null);\n        if (xref.trailer) {\n          // Get string info from Info in order to compute fileId\n          const _info = Object.create(null);\n          const xrefInfo = xref.trailer.get(\"Info\") || null;\n          if (xrefInfo) {\n            xrefInfo.forEach((key, value) => {\n              if (isString(key) && isString(value)) {\n                _info[key] = stringToPDFString(value);\n              }\n            });\n          }\n\n          newXrefInfo = {\n            rootRef: xref.trailer.getRaw(\"Root\") || null,\n            encrypt: xref.trailer.getRaw(\"Encrypt\") || null,\n            newRef: xref.getNewRef(),\n            infoRef: xref.trailer.getRaw(\"Info\") || null,\n            info: _info,\n            fileIds: xref.trailer.getRaw(\"ID\") || null,\n            startXRef: document.startXRef,\n            filename,\n          };\n        }\n        xref.resetNewRef();\n\n        return incrementalUpdate(stream.bytes, newXrefInfo, newRefs);\n      });\n    });\n\n    handler.on(\n      \"GetOperatorList\",\n      function wphSetupRenderPage(data, sink) {\n        var pageIndex = data.pageIndex;\n        pdfManager.getPage(pageIndex).then(function (page) {\n          var task = new WorkerTask(`GetOperatorList: page ${pageIndex}`);\n          startWorkerTask(task);\n\n          // NOTE: Keep this condition in sync with the `info` helper function.\n          const start = verbosity >= VerbosityLevel.INFOS ? Date.now() : 0;\n\n          // Pre compile the pdf page and fetch the fonts/images.\n          page\n            .getOperatorList({\n              handler,\n              sink,\n              task,\n              intent: data.intent,\n              renderInteractiveForms: data.renderInteractiveForms,\n              annotationStorage: data.annotationStorage,\n            })\n            .then(\n              function (operatorListInfo) {\n                finishWorkerTask(task);\n\n                if (start) {\n                  info(\n                    `page=${pageIndex + 1} - getOperatorList: time=` +\n                      `${Date.now() - start}ms, len=${operatorListInfo.length}`\n                  );\n                }\n                sink.close();\n              },\n              function (reason) {\n                finishWorkerTask(task);\n                if (task.terminated) {\n                  return; // ignoring errors from the terminated thread\n                }\n                // For compatibility with older behavior, generating unknown\n                // unsupported feature notification on errors.\n                handler.send(\"UnsupportedFeature\", {\n                  featureId: UNSUPPORTED_FEATURES.errorOperatorList,\n                });\n\n                sink.error(reason);\n\n                // TODO: Should `reason` be re-thrown here (currently that\n                //       casues \"Uncaught exception: ...\" messages in the\n                //       console)?\n              }\n            );\n        });\n      },\n      this\n    );\n\n    handler.on(\"GetTextContent\", function wphExtractText(data, sink) {\n      var pageIndex = data.pageIndex;\n      sink.onPull = function (desiredSize) {};\n      sink.onCancel = function (reason) {};\n\n      pdfManager.getPage(pageIndex).then(function (page) {\n        var task = new WorkerTask(\"GetTextContent: page \" + pageIndex);\n        startWorkerTask(task);\n\n        // NOTE: Keep this condition in sync with the `info` helper function.\n        const start = verbosity >= VerbosityLevel.INFOS ? Date.now() : 0;\n\n        page\n          .extractTextContent({\n            handler,\n            task,\n            sink,\n            normalizeWhitespace: data.normalizeWhitespace,\n            combineTextItems: data.combineTextItems,\n          })\n          .then(\n            function () {\n              finishWorkerTask(task);\n\n              if (start) {\n                info(\n                  `page=${pageIndex + 1} - getTextContent: time=` +\n                    `${Date.now() - start}ms`\n                );\n              }\n              sink.close();\n            },\n            function (reason) {\n              finishWorkerTask(task);\n              if (task.terminated) {\n                return; // ignoring errors from the terminated thread\n              }\n              sink.error(reason);\n\n              // TODO: Should `reason` be re-thrown here (currently that casues\n              //       \"Uncaught exception: ...\" messages in the console)?\n            }\n          );\n      });\n    });\n\n    handler.on(\"FontFallback\", function (data) {\n      return pdfManager.fontFallback(data.id, handler);\n    });\n\n    handler.on(\"Cleanup\", function wphCleanup(data) {\n      return pdfManager.cleanup(/* manuallyTriggered = */ true);\n    });\n\n    handler.on(\"Terminate\", function wphTerminate(data) {\n      terminated = true;\n\n      const waitOn = [];\n      if (pdfManager) {\n        pdfManager.terminate(new AbortException(\"Worker was terminated.\"));\n\n        const cleanupPromise = pdfManager.cleanup();\n        waitOn.push(cleanupPromise);\n\n        pdfManager = null;\n      } else {\n        clearPrimitiveCaches();\n      }\n      if (cancelXHRs) {\n        cancelXHRs(new AbortException(\"Worker was terminated.\"));\n      }\n\n      WorkerTasks.forEach(function (task) {\n        waitOn.push(task.finished);\n        task.terminate();\n      });\n\n      return Promise.all(waitOn).then(function () {\n        // Notice that even if we destroying handler, resolved response promise\n        // must be sent back.\n        handler.destroy();\n        handler = null;\n      });\n    });\n\n    handler.on(\"Ready\", function wphReady(data) {\n      setupDoc(docParams);\n      docParams = null; // we don't need docParams anymore -- saving memory.\n    });\n    return workerHandlerName;\n  }\n\n  static initializeFromPort(port) {\n    var handler = new MessageHandler(\"worker\", \"main\", port);\n    WorkerMessageHandler.setup(handler, port);\n    handler.send(\"ready\", null);\n  }\n}\n\nfunction isMessagePort(maybePort) {\n  return (\n    typeof maybePort.postMessage === \"function\" && \"onmessage\" in maybePort\n  );\n}\n\n// Worker thread (and not Node.js)?\nif (\n  typeof window === \"undefined\" &&\n  !isNodeJS &&\n  typeof self !== \"undefined\" &&\n  isMessagePort(self)\n) {\n  WorkerMessageHandler.initializeFromPort(self);\n}\n\nexport { WorkerTask, WorkerMessageHandler };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport \"./compatibility.js\";\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  MOVIE: 19,\n  WIDGET: 20,\n  SCREEN: 21,\n  PRINTERMARK: 22,\n  TRAPNET: 23,\n  WATERMARK: 24,\n  THREED: 25,\n  REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n  MARKED: \"Marked\",\n  REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n  MARKED: \"Marked\",\n  UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n  ACCEPTED: \"Accepted\",\n  REJECTED: \"Rejected\",\n  CANCELLED: \"Cancelled\",\n  COMPLETED: \"Completed\",\n  NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n  GROUP: \"Group\",\n  REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n  INVISIBLE: 0x01,\n  HIDDEN: 0x02,\n  PRINT: 0x04,\n  NOZOOM: 0x08,\n  NOROTATE: 0x10,\n  NOVIEW: 0x20,\n  READONLY: 0x40,\n  LOCKED: 0x80,\n  TOGGLENOVIEW: 0x100,\n  LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n  READONLY: 0x0000001,\n  REQUIRED: 0x0000002,\n  NOEXPORT: 0x0000004,\n  MULTILINE: 0x0001000,\n  PASSWORD: 0x0002000,\n  NOTOGGLETOOFF: 0x0004000,\n  RADIO: 0x0008000,\n  PUSHBUTTON: 0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* uses XRef */\n\nimport { assert, unreachable } from \"../shared/util.js\";\n\nvar EOF = {};\n\nvar Name = (function NameClosure() {\n  let nameCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Name(name) {\n    this.name = name;\n  }\n\n  Name.prototype = {};\n\n  Name.get = function Name_get(name) {\n    var nameValue = nameCache[name];\n    // eslint-disable-next-line no-restricted-syntax\n    return nameValue ? nameValue : (nameCache[name] = new Name(name));\n  };\n\n  Name._clearCache = function () {\n    nameCache = Object.create(null);\n  };\n\n  return Name;\n})();\n\nvar Cmd = (function CmdClosure() {\n  let cmdCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Cmd(cmd) {\n    this.cmd = cmd;\n  }\n\n  Cmd.prototype = {};\n\n  Cmd.get = function Cmd_get(cmd) {\n    var cmdValue = cmdCache[cmd];\n    // eslint-disable-next-line no-restricted-syntax\n    return cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd));\n  };\n\n  Cmd._clearCache = function () {\n    cmdCache = Object.create(null);\n  };\n\n  return Cmd;\n})();\n\nvar Dict = (function DictClosure() {\n  var nonSerializable = function nonSerializableClosure() {\n    return nonSerializable; // creating closure on some variable\n  };\n\n  // xref is optional\n  // eslint-disable-next-line no-shadow\n  function Dict(xref) {\n    // Map should only be used internally, use functions below to access.\n    this._map = Object.create(null);\n    this.xref = xref;\n    this.objId = null;\n    this.suppressEncryption = false;\n    this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict\n  }\n\n  Dict.prototype = {\n    assignXref: function Dict_assignXref(newXref) {\n      this.xref = newXref;\n    },\n\n    get size() {\n      return Object.keys(this._map).length;\n    },\n\n    // automatically dereferences Ref objects\n    get(key1, key2, key3) {\n      let value = this._map[key1];\n      if (value === undefined && key2 !== undefined) {\n        value = this._map[key2];\n        if (value === undefined && key3 !== undefined) {\n          value = this._map[key3];\n        }\n      }\n      if (value instanceof Ref && this.xref) {\n        return this.xref.fetch(value, this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // Same as get(), but returns a promise and uses fetchIfRefAsync().\n    async getAsync(key1, key2, key3) {\n      let value = this._map[key1];\n      if (value === undefined && key2 !== undefined) {\n        value = this._map[key2];\n        if (value === undefined && key3 !== undefined) {\n          value = this._map[key3];\n        }\n      }\n      if (value instanceof Ref && this.xref) {\n        return this.xref.fetchAsync(value, this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // Same as get(), but dereferences all elements if the result is an Array.\n    getArray(key1, key2, key3) {\n      let value = this.get(key1, key2, key3);\n      if (!Array.isArray(value) || !this.xref) {\n        return value;\n      }\n      value = value.slice(); // Ensure that we don't modify the Dict data.\n      for (let i = 0, ii = value.length; i < ii; i++) {\n        if (!(value[i] instanceof Ref)) {\n          continue;\n        }\n        value[i] = this.xref.fetch(value[i], this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // no dereferencing\n    getRaw: function Dict_getRaw(key) {\n      return this._map[key];\n    },\n\n    getKeys: function Dict_getKeys() {\n      return Object.keys(this._map);\n    },\n\n    // no dereferencing\n    getRawValues: function Dict_getRawValues() {\n      return Object.values(this._map);\n    },\n\n    set: function Dict_set(key, value) {\n      if (\n        (typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")) &&\n        value === undefined\n      ) {\n        unreachable('Dict.set: The \"value\" cannot be undefined.');\n      }\n      this._map[key] = value;\n    },\n\n    has: function Dict_has(key) {\n      return this._map[key] !== undefined;\n    },\n\n    forEach: function Dict_forEach(callback) {\n      for (var key in this._map) {\n        callback(key, this.get(key));\n      }\n    },\n  };\n\n  Dict.empty = new Dict(null);\n\n  Dict.merge = function ({ xref, dictArray, mergeSubDicts = false }) {\n    const mergedDict = new Dict(xref);\n\n    if (!mergeSubDicts) {\n      for (const dict of dictArray) {\n        if (!(dict instanceof Dict)) {\n          continue;\n        }\n        for (const [key, value] of Object.entries(dict._map)) {\n          if (mergedDict._map[key] === undefined) {\n            mergedDict._map[key] = value;\n          }\n        }\n      }\n      return mergedDict.size > 0 ? mergedDict : Dict.empty;\n    }\n    const properties = new Map();\n\n    for (const dict of dictArray) {\n      if (!(dict instanceof Dict)) {\n        continue;\n      }\n      for (const [key, value] of Object.entries(dict._map)) {\n        let property = properties.get(key);\n        if (property === undefined) {\n          property = [];\n          properties.set(key, property);\n        }\n        property.push(value);\n      }\n    }\n    for (const [name, values] of properties) {\n      if (values.length === 1 || !(values[0] instanceof Dict)) {\n        mergedDict._map[name] = values[0];\n        continue;\n      }\n      const subDict = new Dict(xref);\n\n      for (const dict of values) {\n        if (!(dict instanceof Dict)) {\n          continue;\n        }\n        for (const [key, value] of Object.entries(dict._map)) {\n          if (subDict._map[key] === undefined) {\n            subDict._map[key] = value;\n          }\n        }\n      }\n      if (subDict.size > 0) {\n        mergedDict._map[name] = subDict;\n      }\n    }\n    properties.clear();\n\n    return mergedDict.size > 0 ? mergedDict : Dict.empty;\n  };\n\n  return Dict;\n})();\n\nvar Ref = (function RefClosure() {\n  let refCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Ref(num, gen) {\n    this.num = num;\n    this.gen = gen;\n  }\n\n  Ref.prototype = {\n    toString: function Ref_toString() {\n      // This function is hot, so we make the string as compact as possible.\n      // |this.gen| is almost always zero, so we treat that case specially.\n      if (this.gen === 0) {\n        return `${this.num}R`;\n      }\n      return `${this.num}R${this.gen}`;\n    },\n  };\n\n  Ref.get = function (num, gen) {\n    const key = gen === 0 ? `${num}R` : `${num}R${gen}`;\n    const refValue = refCache[key];\n    // eslint-disable-next-line no-restricted-syntax\n    return refValue ? refValue : (refCache[key] = new Ref(num, gen));\n  };\n\n  Ref._clearCache = function () {\n    refCache = Object.create(null);\n  };\n\n  return Ref;\n})();\n\n// The reference is identified by number and generation.\n// This structure stores only one instance of the reference.\nclass RefSet {\n  constructor() {\n    this._set = new Set();\n  }\n\n  has(ref) {\n    return this._set.has(ref.toString());\n  }\n\n  put(ref) {\n    this._set.add(ref.toString());\n  }\n\n  remove(ref) {\n    this._set.delete(ref.toString());\n  }\n}\n\nclass RefSetCache {\n  constructor() {\n    this._map = new Map();\n  }\n\n  get size() {\n    return this._map.size;\n  }\n\n  get(ref) {\n    return this._map.get(ref.toString());\n  }\n\n  has(ref) {\n    return this._map.has(ref.toString());\n  }\n\n  put(ref, obj) {\n    this._map.set(ref.toString(), obj);\n  }\n\n  putAlias(ref, aliasRef) {\n    this._map.set(ref.toString(), this.get(aliasRef));\n  }\n\n  forEach(callback) {\n    for (const value of this._map.values()) {\n      callback(value);\n    }\n  }\n\n  clear() {\n    this._map.clear();\n  }\n}\n\nfunction isEOF(v) {\n  return v === EOF;\n}\n\nfunction isName(v, name) {\n  return v instanceof Name && (name === undefined || v.name === name);\n}\n\nfunction isCmd(v, cmd) {\n  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);\n}\n\nfunction isDict(v, type) {\n  return (\n    v instanceof Dict && (type === undefined || isName(v.get(\"Type\"), type))\n  );\n}\n\nfunction isRef(v) {\n  return v instanceof Ref;\n}\n\nfunction isRefsEqual(v1, v2) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      v1 instanceof Ref && v2 instanceof Ref,\n      \"isRefsEqual: Both parameters should be `Ref`s.\"\n    );\n  }\n  return v1.num === v2.num && v1.gen === v2.gen;\n}\n\nfunction isStream(v) {\n  return typeof v === \"object\" && v !== null && v.getBytes !== undefined;\n}\n\nfunction clearPrimitiveCaches() {\n  Cmd._clearCache();\n  Name._clearCache();\n  Ref._clearCache();\n}\n\nexport {\n  EOF,\n  clearPrimitiveCaches,\n  Cmd,\n  Dict,\n  Name,\n  Ref,\n  RefSet,\n  RefSetCache,\n  isEOF,\n  isCmd,\n  isDict,\n  isName,\n  isRef,\n  isRefsEqual,\n  isStream,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  createValidAbsoluteUrl,\n  shadow,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { ChunkedStreamManager } from \"./chunked_stream.js\";\nimport { MissingDataException } from \"./core_utils.js\";\nimport { PDFDocument } from \"./document.js\";\nimport { Stream } from \"./stream.js\";\n\nclass BasePdfManager {\n  constructor() {\n    if (this.constructor === BasePdfManager) {\n      unreachable(\"Cannot initialize BasePdfManager.\");\n    }\n  }\n\n  get docId() {\n    return this._docId;\n  }\n\n  get password() {\n    return this._password;\n  }\n\n  get docBaseUrl() {\n    let docBaseUrl = null;\n    if (this._docBaseUrl) {\n      const absoluteUrl = createValidAbsoluteUrl(this._docBaseUrl);\n      if (absoluteUrl) {\n        docBaseUrl = absoluteUrl.href;\n      } else {\n        warn(`Invalid absolute docBaseUrl: \"${this._docBaseUrl}\".`);\n      }\n    }\n    return shadow(this, \"docBaseUrl\", docBaseUrl);\n  }\n\n  onLoadedStream() {\n    unreachable(\"Abstract method `onLoadedStream` called\");\n  }\n\n  ensureDoc(prop, args) {\n    return this.ensure(this.pdfDocument, prop, args);\n  }\n\n  ensureXRef(prop, args) {\n    return this.ensure(this.pdfDocument.xref, prop, args);\n  }\n\n  ensureCatalog(prop, args) {\n    return this.ensure(this.pdfDocument.catalog, prop, args);\n  }\n\n  getPage(pageIndex) {\n    return this.pdfDocument.getPage(pageIndex);\n  }\n\n  fontFallback(id, handler) {\n    return this.pdfDocument.fontFallback(id, handler);\n  }\n\n  cleanup(manuallyTriggered = false) {\n    return this.pdfDocument.cleanup(manuallyTriggered);\n  }\n\n  async ensure(obj, prop, args) {\n    unreachable(\"Abstract method `ensure` called\");\n  }\n\n  requestRange(begin, end) {\n    unreachable(\"Abstract method `requestRange` called\");\n  }\n\n  requestLoadedStream() {\n    unreachable(\"Abstract method `requestLoadedStream` called\");\n  }\n\n  sendProgressiveData(chunk) {\n    unreachable(\"Abstract method `sendProgressiveData` called\");\n  }\n\n  updatePassword(password) {\n    this._password = password;\n  }\n\n  terminate(reason) {\n    unreachable(\"Abstract method `terminate` called\");\n  }\n}\n\nclass LocalPdfManager extends BasePdfManager {\n  constructor(docId, data, password, evaluatorOptions, docBaseUrl) {\n    super();\n\n    this._docId = docId;\n    this._password = password;\n    this._docBaseUrl = docBaseUrl;\n    this.evaluatorOptions = evaluatorOptions;\n\n    const stream = new Stream(data);\n    this.pdfDocument = new PDFDocument(this, stream);\n    this._loadedStreamPromise = Promise.resolve(stream);\n  }\n\n  async ensure(obj, prop, args) {\n    const value = obj[prop];\n    if (typeof value === \"function\") {\n      return value.apply(obj, args);\n    }\n    return value;\n  }\n\n  requestRange(begin, end) {\n    return Promise.resolve();\n  }\n\n  requestLoadedStream() {}\n\n  onLoadedStream() {\n    return this._loadedStreamPromise;\n  }\n\n  terminate(reason) {}\n}\n\nclass NetworkPdfManager extends BasePdfManager {\n  constructor(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {\n    super();\n\n    this._docId = docId;\n    this._password = args.password;\n    this._docBaseUrl = docBaseUrl;\n    this.msgHandler = args.msgHandler;\n    this.evaluatorOptions = evaluatorOptions;\n\n    this.streamManager = new ChunkedStreamManager(pdfNetworkStream, {\n      msgHandler: args.msgHandler,\n      length: args.length,\n      disableAutoFetch: args.disableAutoFetch,\n      rangeChunkSize: args.rangeChunkSize,\n    });\n    this.pdfDocument = new PDFDocument(this, this.streamManager.getStream());\n  }\n\n  async ensure(obj, prop, args) {\n    try {\n      const value = obj[prop];\n      if (typeof value === \"function\") {\n        return value.apply(obj, args);\n      }\n      return value;\n    } catch (ex) {\n      if (!(ex instanceof MissingDataException)) {\n        throw ex;\n      }\n      await this.requestRange(ex.begin, ex.end);\n      return this.ensure(obj, prop, args);\n    }\n  }\n\n  requestRange(begin, end) {\n    return this.streamManager.requestRange(begin, end);\n  }\n\n  requestLoadedStream() {\n    this.streamManager.requestAllChunks();\n  }\n\n  sendProgressiveData(chunk) {\n    this.streamManager.onReceiveData({ chunk });\n  }\n\n  onLoadedStream() {\n    return this.streamManager.onLoadedStream();\n  }\n\n  terminate(reason) {\n    this.streamManager.abort(reason);\n  }\n}\n\nexport { LocalPdfManager, NetworkPdfManager };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  arrayByteLength,\n  arraysToBytes,\n  createPromiseCapability,\n} from \"../shared/util.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\nclass ChunkedStream {\n  constructor(length, chunkSize, manager) {\n    this.bytes = new Uint8Array(length);\n    this.start = 0;\n    this.pos = 0;\n    this.end = length;\n    this.chunkSize = chunkSize;\n    this._loadedChunks = new Set();\n    this.numChunks = Math.ceil(length / chunkSize);\n    this.manager = manager;\n    this.progressiveDataLength = 0;\n    this.lastSuccessfulEnsureByteChunk = -1; // Single-entry cache\n  }\n\n  // If a particular stream does not implement one or more of these methods,\n  // an error should be thrown.\n  getMissingChunks() {\n    const chunks = [];\n    for (let chunk = 0, n = this.numChunks; chunk < n; ++chunk) {\n      if (!this._loadedChunks.has(chunk)) {\n        chunks.push(chunk);\n      }\n    }\n    return chunks;\n  }\n\n  getBaseStreams() {\n    return [this];\n  }\n\n  get numChunksLoaded() {\n    return this._loadedChunks.size;\n  }\n\n  allChunksLoaded() {\n    return this.numChunksLoaded === this.numChunks;\n  }\n\n  onReceiveData(begin, chunk) {\n    const chunkSize = this.chunkSize;\n    if (begin % chunkSize !== 0) {\n      throw new Error(`Bad begin offset: ${begin}`);\n    }\n\n    // Using `this.length` is inaccurate here since `this.start` can be moved\n    // (see the `moveStart` method).\n    const end = begin + chunk.byteLength;\n    if (end % chunkSize !== 0 && end !== this.bytes.length) {\n      throw new Error(`Bad end offset: ${end}`);\n    }\n\n    this.bytes.set(new Uint8Array(chunk), begin);\n    const beginChunk = Math.floor(begin / chunkSize);\n    const endChunk = Math.floor((end - 1) / chunkSize) + 1;\n\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // Since a value can only occur *once* in a `Set`, there's no need to\n      // manually check `Set.prototype.has()` before adding the value here.\n      this._loadedChunks.add(curChunk);\n    }\n  }\n\n  onReceiveProgressiveData(data) {\n    let position = this.progressiveDataLength;\n    const beginChunk = Math.floor(position / this.chunkSize);\n\n    this.bytes.set(new Uint8Array(data), position);\n    position += data.byteLength;\n    this.progressiveDataLength = position;\n    const endChunk =\n      position >= this.end\n        ? this.numChunks\n        : Math.floor(position / this.chunkSize);\n\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // Since a value can only occur *once* in a `Set`, there's no need to\n      // manually check `Set.prototype.has()` before adding the value here.\n      this._loadedChunks.add(curChunk);\n    }\n  }\n\n  ensureByte(pos) {\n    if (pos < this.progressiveDataLength) {\n      return;\n    }\n\n    const chunk = Math.floor(pos / this.chunkSize);\n    if (chunk === this.lastSuccessfulEnsureByteChunk) {\n      return;\n    }\n\n    if (!this._loadedChunks.has(chunk)) {\n      throw new MissingDataException(pos, pos + 1);\n    }\n    this.lastSuccessfulEnsureByteChunk = chunk;\n  }\n\n  ensureRange(begin, end) {\n    if (begin >= end) {\n      return;\n    }\n    if (end <= this.progressiveDataLength) {\n      return;\n    }\n\n    const chunkSize = this.chunkSize;\n    const beginChunk = Math.floor(begin / chunkSize);\n    const endChunk = Math.floor((end - 1) / chunkSize) + 1;\n    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n      if (!this._loadedChunks.has(chunk)) {\n        throw new MissingDataException(begin, end);\n      }\n    }\n  }\n\n  nextEmptyChunk(beginChunk) {\n    const numChunks = this.numChunks;\n    for (let i = 0; i < numChunks; ++i) {\n      const chunk = (beginChunk + i) % numChunks; // Wrap around to beginning.\n      if (!this._loadedChunks.has(chunk)) {\n        return chunk;\n      }\n    }\n    return null;\n  }\n\n  hasChunk(chunk) {\n    return this._loadedChunks.has(chunk);\n  }\n\n  get length() {\n    return this.end - this.start;\n  }\n\n  get isEmpty() {\n    return this.length === 0;\n  }\n\n  getByte() {\n    const pos = this.pos;\n    if (pos >= this.end) {\n      return -1;\n    }\n    if (pos >= this.progressiveDataLength) {\n      this.ensureByte(pos);\n    }\n    return this.bytes[this.pos++];\n  }\n\n  getUint16() {\n    const b0 = this.getByte();\n    const b1 = this.getByte();\n    if (b0 === -1 || b1 === -1) {\n      return -1;\n    }\n    return (b0 << 8) + b1;\n  }\n\n  getInt32() {\n    const b0 = this.getByte();\n    const b1 = this.getByte();\n    const b2 = this.getByte();\n    const b3 = this.getByte();\n    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n  }\n\n  // Returns subarray of original buffer, should only be read.\n  getBytes(length, forceClamped = false) {\n    const bytes = this.bytes;\n    const pos = this.pos;\n    const strEnd = this.end;\n\n    if (!length) {\n      if (strEnd > this.progressiveDataLength) {\n        this.ensureRange(pos, strEnd);\n      }\n      const subarray = bytes.subarray(pos, strEnd);\n      // `this.bytes` is always a `Uint8Array` here.\n      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n    }\n\n    let end = pos + length;\n    if (end > strEnd) {\n      end = strEnd;\n    }\n    if (end > this.progressiveDataLength) {\n      this.ensureRange(pos, end);\n    }\n\n    this.pos = end;\n    const subarray = bytes.subarray(pos, end);\n    // `this.bytes` is always a `Uint8Array` here.\n    return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n  }\n\n  peekByte() {\n    const peekedByte = this.getByte();\n    if (peekedByte !== -1) {\n      this.pos--;\n    }\n    return peekedByte;\n  }\n\n  peekBytes(length, forceClamped = false) {\n    const bytes = this.getBytes(length, forceClamped);\n    this.pos -= bytes.length;\n    return bytes;\n  }\n\n  getByteRange(begin, end) {\n    if (begin < 0) {\n      begin = 0;\n    }\n    if (end > this.end) {\n      end = this.end;\n    }\n    if (end > this.progressiveDataLength) {\n      this.ensureRange(begin, end);\n    }\n    return this.bytes.subarray(begin, end);\n  }\n\n  skip(n) {\n    if (!n) {\n      n = 1;\n    }\n    this.pos += n;\n  }\n\n  reset() {\n    this.pos = this.start;\n  }\n\n  moveStart() {\n    this.start = this.pos;\n  }\n\n  makeSubStream(start, length, dict) {\n    if (length) {\n      if (start + length > this.progressiveDataLength) {\n        this.ensureRange(start, start + length);\n      }\n    } else {\n      // When the `length` is undefined you do *not*, under any circumstances,\n      // want to fallback on calling `this.ensureRange(start, this.end)` since\n      // that would force the *entire* PDF file to be loaded, thus completely\n      // breaking the whole purpose of using streaming and/or range requests.\n      //\n      // However, not doing any checking here could very easily lead to wasted\n      // time/resources during e.g. parsing, since `MissingDataException`s will\n      // require data to be re-parsed, which we attempt to minimize by at least\n      // checking that the *beginning* of the data is available here.\n      if (start >= this.progressiveDataLength) {\n        this.ensureByte(start);\n      }\n    }\n\n    function ChunkedStreamSubstream() {}\n    ChunkedStreamSubstream.prototype = Object.create(this);\n    ChunkedStreamSubstream.prototype.getMissingChunks = function () {\n      const chunkSize = this.chunkSize;\n      const beginChunk = Math.floor(this.start / chunkSize);\n      const endChunk = Math.floor((this.end - 1) / chunkSize) + 1;\n      const missingChunks = [];\n      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n        if (!this._loadedChunks.has(chunk)) {\n          missingChunks.push(chunk);\n        }\n      }\n      return missingChunks;\n    };\n    ChunkedStreamSubstream.prototype.allChunksLoaded = function () {\n      if (this.numChunksLoaded === this.numChunks) {\n        return true;\n      }\n      return this.getMissingChunks().length === 0;\n    };\n\n    const subStream = new ChunkedStreamSubstream();\n    subStream.pos = subStream.start = start;\n    subStream.end = start + length || this.end;\n    subStream.dict = dict;\n    return subStream;\n  }\n}\n\nclass ChunkedStreamManager {\n  constructor(pdfNetworkStream, args) {\n    this.length = args.length;\n    this.chunkSize = args.rangeChunkSize;\n    this.stream = new ChunkedStream(this.length, this.chunkSize, this);\n    this.pdfNetworkStream = pdfNetworkStream;\n    this.disableAutoFetch = args.disableAutoFetch;\n    this.msgHandler = args.msgHandler;\n\n    this.currRequestId = 0;\n\n    this._chunksNeededByRequest = new Map();\n    this._requestsByChunk = new Map();\n    this._promisesByRequest = new Map();\n    this.progressiveDataLength = 0;\n    this.aborted = false;\n\n    this._loadedStreamCapability = createPromiseCapability();\n  }\n\n  onLoadedStream() {\n    return this._loadedStreamCapability.promise;\n  }\n\n  sendRequest(begin, end) {\n    const rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);\n    if (!rangeReader.isStreamingSupported) {\n      rangeReader.onProgress = this.onProgress.bind(this);\n    }\n\n    let chunks = [],\n      loaded = 0;\n    const promise = new Promise((resolve, reject) => {\n      const readChunk = chunk => {\n        try {\n          if (!chunk.done) {\n            const data = chunk.value;\n            chunks.push(data);\n            loaded += arrayByteLength(data);\n            if (rangeReader.isStreamingSupported) {\n              this.onProgress({ loaded });\n            }\n            rangeReader.read().then(readChunk, reject);\n            return;\n          }\n          const chunkData = arraysToBytes(chunks);\n          chunks = null;\n          resolve(chunkData);\n        } catch (e) {\n          reject(e);\n        }\n      };\n      rangeReader.read().then(readChunk, reject);\n    });\n    promise.then(data => {\n      if (this.aborted) {\n        return; // Ignoring any data after abort.\n      }\n      this.onReceiveData({ chunk: data, begin });\n    });\n    // TODO check errors\n  }\n\n  /**\n   * Get all the chunks that are not yet loaded and group them into\n   * contiguous ranges to load in as few requests as possible.\n   */\n  requestAllChunks() {\n    const missingChunks = this.stream.getMissingChunks();\n    this._requestChunks(missingChunks);\n    return this._loadedStreamCapability.promise;\n  }\n\n  _requestChunks(chunks) {\n    const requestId = this.currRequestId++;\n\n    const chunksNeeded = new Set();\n    this._chunksNeededByRequest.set(requestId, chunksNeeded);\n    for (const chunk of chunks) {\n      if (!this.stream.hasChunk(chunk)) {\n        chunksNeeded.add(chunk);\n      }\n    }\n\n    if (chunksNeeded.size === 0) {\n      return Promise.resolve();\n    }\n\n    const capability = createPromiseCapability();\n    this._promisesByRequest.set(requestId, capability);\n\n    const chunksToRequest = [];\n    for (const chunk of chunksNeeded) {\n      let requestIds = this._requestsByChunk.get(chunk);\n      if (!requestIds) {\n        requestIds = [];\n        this._requestsByChunk.set(chunk, requestIds);\n\n        chunksToRequest.push(chunk);\n      }\n      requestIds.push(requestId);\n    }\n\n    if (chunksToRequest.length > 0) {\n      const groupedChunksToRequest = this.groupChunks(chunksToRequest);\n      for (const groupedChunk of groupedChunksToRequest) {\n        const begin = groupedChunk.beginChunk * this.chunkSize;\n        const end = Math.min(\n          groupedChunk.endChunk * this.chunkSize,\n          this.length\n        );\n        this.sendRequest(begin, end);\n      }\n    }\n\n    return capability.promise.catch(reason => {\n      if (this.aborted) {\n        return; // Ignoring any pending requests after abort.\n      }\n      throw reason;\n    });\n  }\n\n  getStream() {\n    return this.stream;\n  }\n\n  /**\n   * Loads any chunks in the requested range that are not yet loaded.\n   */\n  requestRange(begin, end) {\n    end = Math.min(end, this.length);\n\n    const beginChunk = this.getBeginChunk(begin);\n    const endChunk = this.getEndChunk(end);\n\n    const chunks = [];\n    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n      chunks.push(chunk);\n    }\n    return this._requestChunks(chunks);\n  }\n\n  requestRanges(ranges = []) {\n    const chunksToRequest = [];\n    for (const range of ranges) {\n      const beginChunk = this.getBeginChunk(range.begin);\n      const endChunk = this.getEndChunk(range.end);\n      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n        if (!chunksToRequest.includes(chunk)) {\n          chunksToRequest.push(chunk);\n        }\n      }\n    }\n\n    chunksToRequest.sort(function (a, b) {\n      return a - b;\n    });\n    return this._requestChunks(chunksToRequest);\n  }\n\n  /**\n   * Groups a sorted array of chunks into as few contiguous larger\n   * chunks as possible.\n   */\n  groupChunks(chunks) {\n    const groupedChunks = [];\n    let beginChunk = -1;\n    let prevChunk = -1;\n\n    for (let i = 0, ii = chunks.length; i < ii; ++i) {\n      const chunk = chunks[i];\n      if (beginChunk < 0) {\n        beginChunk = chunk;\n      }\n\n      if (prevChunk >= 0 && prevChunk + 1 !== chunk) {\n        groupedChunks.push({ beginChunk, endChunk: prevChunk + 1 });\n        beginChunk = chunk;\n      }\n      if (i + 1 === chunks.length) {\n        groupedChunks.push({ beginChunk, endChunk: chunk + 1 });\n      }\n\n      prevChunk = chunk;\n    }\n    return groupedChunks;\n  }\n\n  onProgress(args) {\n    this.msgHandler.send(\"DocProgress\", {\n      loaded: this.stream.numChunksLoaded * this.chunkSize + args.loaded,\n      total: this.length,\n    });\n  }\n\n  onReceiveData(args) {\n    const chunk = args.chunk;\n    const isProgressive = args.begin === undefined;\n    const begin = isProgressive ? this.progressiveDataLength : args.begin;\n    const end = begin + chunk.byteLength;\n\n    const beginChunk = Math.floor(begin / this.chunkSize);\n    const endChunk =\n      end < this.length\n        ? Math.floor(end / this.chunkSize)\n        : Math.ceil(end / this.chunkSize);\n\n    if (isProgressive) {\n      this.stream.onReceiveProgressiveData(chunk);\n      this.progressiveDataLength = end;\n    } else {\n      this.stream.onReceiveData(begin, chunk);\n    }\n\n    if (this.stream.allChunksLoaded()) {\n      this._loadedStreamCapability.resolve(this.stream);\n    }\n\n    const loadedRequests = [];\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // The server might return more chunks than requested.\n      const requestIds = this._requestsByChunk.get(curChunk);\n      if (!requestIds) {\n        continue;\n      }\n      this._requestsByChunk.delete(curChunk);\n\n      for (const requestId of requestIds) {\n        const chunksNeeded = this._chunksNeededByRequest.get(requestId);\n        if (chunksNeeded.has(curChunk)) {\n          chunksNeeded.delete(curChunk);\n        }\n\n        if (chunksNeeded.size > 0) {\n          continue;\n        }\n        loadedRequests.push(requestId);\n      }\n    }\n\n    // If there are no pending requests, automatically fetch the next\n    // unfetched chunk of the PDF file.\n    if (!this.disableAutoFetch && this._requestsByChunk.size === 0) {\n      let nextEmptyChunk;\n      if (this.stream.numChunksLoaded === 1) {\n        // This is a special optimization so that after fetching the first\n        // chunk, rather than fetching the second chunk, we fetch the last\n        // chunk.\n        const lastChunk = this.stream.numChunks - 1;\n        if (!this.stream.hasChunk(lastChunk)) {\n          nextEmptyChunk = lastChunk;\n        }\n      } else {\n        nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);\n      }\n      if (Number.isInteger(nextEmptyChunk)) {\n        this._requestChunks([nextEmptyChunk]);\n      }\n    }\n\n    for (const requestId of loadedRequests) {\n      const capability = this._promisesByRequest.get(requestId);\n      this._promisesByRequest.delete(requestId);\n      capability.resolve();\n    }\n\n    this.msgHandler.send(\"DocProgress\", {\n      loaded: this.stream.numChunksLoaded * this.chunkSize,\n      total: this.length,\n    });\n  }\n\n  onError(err) {\n    this._loadedStreamCapability.reject(err);\n  }\n\n  getBeginChunk(begin) {\n    return Math.floor(begin / this.chunkSize);\n  }\n\n  getEndChunk(end) {\n    return Math.floor((end - 1) / this.chunkSize) + 1;\n  }\n\n  abort(reason) {\n    this.aborted = true;\n    if (this.pdfNetworkStream) {\n      this.pdfNetworkStream.cancelAllRequests(reason);\n    }\n    for (const capability of this._promisesByRequest.values()) {\n      capability.reject(reason);\n    }\n  }\n}\n\nexport { ChunkedStream, ChunkedStreamManager };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\n\nfunction getLookupTableFactory(initializer) {\n  let lookup;\n  return function () {\n    if (initializer) {\n      lookup = Object.create(null);\n      initializer(lookup);\n      initializer = null;\n    }\n    return lookup;\n  };\n}\n\nclass MissingDataException extends BaseException {\n  constructor(begin, end) {\n    super(`Missing data [${begin}, ${end})`);\n    this.begin = begin;\n    this.end = end;\n  }\n}\n\nclass XRefEntryException extends BaseException {}\n\nclass XRefParseException extends BaseException {}\n\n/**\n * Get the value of an inheritable property.\n *\n * If the PDF specification explicitly lists a property in a dictionary as\n * inheritable, then the value of the property may be present in the dictionary\n * itself or in one or more parents of the dictionary.\n *\n * If the key is not found in the tree, `undefined` is returned. Otherwise,\n * the value for the key is returned or, if `stopWhenFound` is `false`, a list\n * of values is returned. To avoid infinite loops, the traversal is stopped when\n * the loop limit is reached.\n *\n * @param {Dict} dict - Dictionary from where to start the traversal.\n * @param {string} key - The key of the property to find the value for.\n * @param {boolean} getArray - Whether or not the value should be fetched as an\n *   array. The default value is `false`.\n * @param {boolean} stopWhenFound - Whether or not to stop the traversal when\n *   the key is found. If set to `false`, we always walk up the entire parent\n *   chain, for example to be able to find `\\Resources` placed on multiple\n *   levels of the tree. The default value is `true`.\n */\nfunction getInheritableProperty({\n  dict,\n  key,\n  getArray = false,\n  stopWhenFound = true,\n}) {\n  const LOOP_LIMIT = 100;\n  let loopCount = 0;\n  let values;\n\n  while (dict) {\n    const value = getArray ? dict.getArray(key) : dict.get(key);\n    if (value !== undefined) {\n      if (stopWhenFound) {\n        return value;\n      }\n      if (!values) {\n        values = [];\n      }\n      values.push(value);\n    }\n    if (++loopCount > LOOP_LIMIT) {\n      warn(`getInheritableProperty: maximum loop count exceeded for \"${key}\"`);\n      break;\n    }\n    dict = dict.get(\"Parent\");\n  }\n  return values;\n}\n\n// prettier-ignore\nconst ROMAN_NUMBER_MAP = [\n  \"\", \"C\", \"CC\", \"CCC\", \"CD\", \"D\", \"DC\", \"DCC\", \"DCCC\", \"CM\",\n  \"\", \"X\", \"XX\", \"XXX\", \"XL\", \"L\", \"LX\", \"LXX\", \"LXXX\", \"XC\",\n  \"\", \"I\", \"II\", \"III\", \"IV\", \"V\", \"VI\", \"VII\", \"VIII\", \"IX\"\n];\n\n/**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {number} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n *   to lower case letters. The default value is `false`.\n * @returns {string} The resulting Roman number.\n */\nfunction toRomanNumerals(number, lowerCase = false) {\n  assert(\n    Number.isInteger(number) && number > 0,\n    \"The number should be a positive integer.\"\n  );\n  const romanBuf = [];\n  let pos;\n  // Thousands\n  while (number >= 1000) {\n    number -= 1000;\n    romanBuf.push(\"M\");\n  }\n  // Hundreds\n  pos = (number / 100) | 0;\n  number %= 100;\n  romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n  // Tens\n  pos = (number / 10) | 0;\n  number %= 10;\n  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n  // Ones\n  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n  const romanStr = romanBuf.join(\"\");\n  return lowerCase ? romanStr.toLowerCase() : romanStr;\n}\n\n// Calculate the base 2 logarithm of the number `x`. This differs from the\n// native function in the sense that it returns the ceiling value and that it\n// returns 0 instead of `Infinity`/`NaN` for `x` values smaller than/equal to 0.\nfunction log2(x) {\n  if (x <= 0) {\n    return 0;\n  }\n  return Math.ceil(Math.log2(x));\n}\n\nfunction readInt8(data, offset) {\n  return (data[offset] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n  return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n  return (\n    ((data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]) >>>\n    0\n  );\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isWhiteSpace(ch) {\n  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;\n}\n\nexport {\n  getLookupTableFactory,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n  getInheritableProperty,\n  toRomanNumerals,\n  log2,\n  readInt8,\n  readUint16,\n  readUint32,\n  isWhiteSpace,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  InvalidPDFException,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  OPS,\n  shadow,\n  stringToBytes,\n  stringToPDFString,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { Catalog, ObjectLoader, XRef } from \"./obj.js\";\nimport {\n  clearPrimitiveCaches,\n  Dict,\n  isDict,\n  isName,\n  isStream,\n  Ref,\n} from \"./primitives.js\";\nimport {\n  getInheritableProperty,\n  isWhiteSpace,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n} from \"./core_utils.js\";\nimport { NullStream, Stream, StreamsSequenceStream } from \"./stream.js\";\nimport { AnnotationFactory } from \"./annotation.js\";\nimport { calculateMD5 } from \"./crypto.js\";\nimport { Linearization } from \"./parser.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { PartialEvaluator } from \"./evaluator.js\";\n\nconst DEFAULT_USER_UNIT = 1.0;\nconst LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];\n\nfunction isAnnotationRenderable(annotation, intent) {\n  return (\n    (intent === \"display\" && annotation.viewable) ||\n    (intent === \"print\" && annotation.printable)\n  );\n}\n\nclass Page {\n  constructor({\n    pdfManager,\n    xref,\n    pageIndex,\n    pageDict,\n    ref,\n    globalIdFactory,\n    fontCache,\n    builtInCMapCache,\n    globalImageCache,\n  }) {\n    this.pdfManager = pdfManager;\n    this.pageIndex = pageIndex;\n    this.pageDict = pageDict;\n    this.xref = xref;\n    this.ref = ref;\n    this.fontCache = fontCache;\n    this.builtInCMapCache = builtInCMapCache;\n    this.globalImageCache = globalImageCache;\n    this.evaluatorOptions = pdfManager.evaluatorOptions;\n    this.resourcesPromise = null;\n\n    const idCounters = {\n      obj: 0,\n    };\n    this._localIdFactory = class extends globalIdFactory {\n      static createObjId() {\n        return `p${pageIndex}_${++idCounters.obj}`;\n      }\n    };\n  }\n\n  /**\n   * @private\n   */\n  _getInheritableProperty(key, getArray = false) {\n    const value = getInheritableProperty({\n      dict: this.pageDict,\n      key,\n      getArray,\n      stopWhenFound: false,\n    });\n    if (!Array.isArray(value)) {\n      return value;\n    }\n    if (value.length === 1 || !isDict(value[0])) {\n      return value[0];\n    }\n    return Dict.merge({ xref: this.xref, dictArray: value });\n  }\n\n  get content() {\n    return this.pageDict.get(\"Contents\");\n  }\n\n  get resources() {\n    // For robustness: The spec states that a \\Resources entry has to be\n    // present, but can be empty. Some documents still omit it; in this case\n    // we return an empty dictionary.\n    return shadow(\n      this,\n      \"resources\",\n      this._getInheritableProperty(\"Resources\") || Dict.empty\n    );\n  }\n\n  _getBoundingBox(name) {\n    const box = this._getInheritableProperty(name, /* getArray = */ true);\n\n    if (Array.isArray(box) && box.length === 4) {\n      if (box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {\n        return box;\n      }\n      warn(`Empty /${name} entry.`);\n    }\n    return null;\n  }\n\n  get mediaBox() {\n    // Reset invalid media box to letter size.\n    return shadow(\n      this,\n      \"mediaBox\",\n      this._getBoundingBox(\"MediaBox\") || LETTER_SIZE_MEDIABOX\n    );\n  }\n\n  get cropBox() {\n    // Reset invalid crop box to media box.\n    return shadow(\n      this,\n      \"cropBox\",\n      this._getBoundingBox(\"CropBox\") || this.mediaBox\n    );\n  }\n\n  get userUnit() {\n    let obj = this.pageDict.get(\"UserUnit\");\n    if (!isNum(obj) || obj <= 0) {\n      obj = DEFAULT_USER_UNIT;\n    }\n    return shadow(this, \"userUnit\", obj);\n  }\n\n  get view() {\n    // From the spec, 6th ed., p.963:\n    // \"The crop, bleed, trim, and art boxes should not ordinarily\n    // extend beyond the boundaries of the media box. If they do, they are\n    // effectively reduced to their intersection with the media box.\"\n    const { cropBox, mediaBox } = this;\n    let view;\n    if (cropBox === mediaBox || isArrayEqual(cropBox, mediaBox)) {\n      view = mediaBox;\n    } else {\n      const box = Util.intersect(cropBox, mediaBox);\n      if (box && box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {\n        view = box;\n      } else {\n        warn(\"Empty /CropBox and /MediaBox intersection.\");\n      }\n    }\n    return shadow(this, \"view\", view || mediaBox);\n  }\n\n  get rotate() {\n    let rotate = this._getInheritableProperty(\"Rotate\") || 0;\n\n    // Normalize rotation so it's a multiple of 90 and between 0 and 270.\n    if (rotate % 90 !== 0) {\n      rotate = 0;\n    } else if (rotate >= 360) {\n      rotate = rotate % 360;\n    } else if (rotate < 0) {\n      // The spec doesn't cover negatives. Assume it's counterclockwise\n      // rotation. The following is the other implementation of modulo.\n      rotate = ((rotate % 360) + 360) % 360;\n    }\n    return shadow(this, \"rotate\", rotate);\n  }\n\n  getContentStream() {\n    const content = this.content;\n    let stream;\n\n    if (Array.isArray(content)) {\n      // Fetching the individual streams from the array.\n      const xref = this.xref;\n      const streams = [];\n      for (const subStream of content) {\n        streams.push(xref.fetchIfRef(subStream));\n      }\n      stream = new StreamsSequenceStream(streams);\n    } else if (isStream(content)) {\n      stream = content;\n    } else {\n      // Replace non-existent page content with empty content.\n      stream = new NullStream();\n    }\n    return stream;\n  }\n\n  save(handler, task, annotationStorage) {\n    const partialEvaluator = new PartialEvaluator({\n      xref: this.xref,\n      handler,\n      pageIndex: this.pageIndex,\n      idFactory: this._localIdFactory,\n      fontCache: this.fontCache,\n      builtInCMapCache: this.builtInCMapCache,\n      globalImageCache: this.globalImageCache,\n      options: this.evaluatorOptions,\n    });\n\n    // Fetch the page's annotations and save the content\n    // in case of interactive form fields.\n    return this._parsedAnnotations.then(function (annotations) {\n      const newRefsPromises = [];\n      for (const annotation of annotations) {\n        if (!isAnnotationRenderable(annotation, \"print\")) {\n          continue;\n        }\n        newRefsPromises.push(\n          annotation\n            .save(partialEvaluator, task, annotationStorage)\n            .catch(function (reason) {\n              warn(\n                \"save - ignoring annotation data during \" +\n                  `\"${task.name}\" task: \"${reason}\".`\n              );\n              return null;\n            })\n        );\n      }\n\n      return Promise.all(newRefsPromises);\n    });\n  }\n\n  loadResources(keys) {\n    if (!this.resourcesPromise) {\n      // TODO: add async `_getInheritableProperty` and remove this.\n      this.resourcesPromise = this.pdfManager.ensure(this, \"resources\");\n    }\n    return this.resourcesPromise.then(() => {\n      const objectLoader = new ObjectLoader(this.resources, keys, this.xref);\n      return objectLoader.load();\n    });\n  }\n\n  getOperatorList({\n    handler,\n    sink,\n    task,\n    intent,\n    renderInteractiveForms,\n    annotationStorage,\n  }) {\n    const contentStreamPromise = this.pdfManager.ensure(\n      this,\n      \"getContentStream\"\n    );\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"ColorSpace\",\n      \"Pattern\",\n      \"Shading\",\n      \"XObject\",\n      \"Font\",\n    ]);\n\n    const partialEvaluator = new PartialEvaluator({\n      xref: this.xref,\n      handler,\n      pageIndex: this.pageIndex,\n      idFactory: this._localIdFactory,\n      fontCache: this.fontCache,\n      builtInCMapCache: this.builtInCMapCache,\n      globalImageCache: this.globalImageCache,\n      options: this.evaluatorOptions,\n    });\n\n    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);\n    const pageListPromise = dataPromises.then(([contentStream]) => {\n      const opList = new OperatorList(intent, sink);\n\n      handler.send(\"StartRenderPage\", {\n        transparency: partialEvaluator.hasBlendModes(this.resources),\n        pageIndex: this.pageIndex,\n        intent,\n      });\n\n      return partialEvaluator\n        .getOperatorList({\n          stream: contentStream,\n          task,\n          resources: this.resources,\n          operatorList: opList,\n        })\n        .then(function () {\n          return opList;\n        });\n    });\n\n    // Fetch the page's annotations and add their operator lists to the\n    // page's operator list to render them.\n    return Promise.all([pageListPromise, this._parsedAnnotations]).then(\n      function ([pageOpList, annotations]) {\n        if (annotations.length === 0) {\n          pageOpList.flush(true);\n          return { length: pageOpList.totalLength };\n        }\n\n        // Collect the operator list promises for the annotations. Each promise\n        // is resolved with the complete operator list for a single annotation.\n        const opListPromises = [];\n        for (const annotation of annotations) {\n          if (isAnnotationRenderable(annotation, intent)) {\n            opListPromises.push(\n              annotation\n                .getOperatorList(\n                  partialEvaluator,\n                  task,\n                  renderInteractiveForms,\n                  annotationStorage\n                )\n                .catch(function (reason) {\n                  warn(\n                    \"getOperatorList - ignoring annotation data during \" +\n                      `\"${task.name}\" task: \"${reason}\".`\n                  );\n                  return null;\n                })\n            );\n          }\n        }\n\n        return Promise.all(opListPromises).then(function (opLists) {\n          pageOpList.addOp(OPS.beginAnnotations, []);\n          for (const opList of opLists) {\n            pageOpList.addOpList(opList);\n          }\n          pageOpList.addOp(OPS.endAnnotations, []);\n          pageOpList.flush(true);\n          return { length: pageOpList.totalLength };\n        });\n      }\n    );\n  }\n\n  extractTextContent({\n    handler,\n    task,\n    normalizeWhitespace,\n    sink,\n    combineTextItems,\n  }) {\n    const contentStreamPromise = this.pdfManager.ensure(\n      this,\n      \"getContentStream\"\n    );\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"XObject\",\n      \"Font\",\n    ]);\n\n    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);\n    return dataPromises.then(([contentStream]) => {\n      const partialEvaluator = new PartialEvaluator({\n        xref: this.xref,\n        handler,\n        pageIndex: this.pageIndex,\n        idFactory: this._localIdFactory,\n        fontCache: this.fontCache,\n        builtInCMapCache: this.builtInCMapCache,\n        globalImageCache: this.globalImageCache,\n        options: this.evaluatorOptions,\n      });\n\n      return partialEvaluator.getTextContent({\n        stream: contentStream,\n        task,\n        resources: this.resources,\n        normalizeWhitespace,\n        combineTextItems,\n        sink,\n      });\n    });\n  }\n\n  getAnnotationsData(intent) {\n    return this._parsedAnnotations.then(function (annotations) {\n      const annotationsData = [];\n      for (let i = 0, ii = annotations.length; i < ii; i++) {\n        if (!intent || isAnnotationRenderable(annotations[i], intent)) {\n          annotationsData.push(annotations[i].data);\n        }\n      }\n      return annotationsData;\n    });\n  }\n\n  get annotations() {\n    return shadow(\n      this,\n      \"annotations\",\n      this._getInheritableProperty(\"Annots\") || []\n    );\n  }\n\n  get _parsedAnnotations() {\n    const parsedAnnotations = this.pdfManager\n      .ensure(this, \"annotations\")\n      .then(() => {\n        const annotationPromises = [];\n        for (const annotationRef of this.annotations) {\n          annotationPromises.push(\n            AnnotationFactory.create(\n              this.xref,\n              annotationRef,\n              this.pdfManager,\n              this._localIdFactory\n            ).catch(function (reason) {\n              warn(`_parsedAnnotations: \"${reason}\".`);\n              return null;\n            })\n          );\n        }\n\n        return Promise.all(annotationPromises).then(function (annotations) {\n          return annotations.filter(annotation => !!annotation);\n        });\n      });\n\n    return shadow(this, \"_parsedAnnotations\", parsedAnnotations);\n  }\n}\n\nconst PDF_HEADER_SIGNATURE = new Uint8Array([0x25, 0x50, 0x44, 0x46, 0x2d]);\n// prettier-ignore\nconst STARTXREF_SIGNATURE = new Uint8Array([\n  0x73, 0x74, 0x61, 0x72, 0x74, 0x78, 0x72, 0x65, 0x66]);\nconst ENDOBJ_SIGNATURE = new Uint8Array([0x65, 0x6e, 0x64, 0x6f, 0x62, 0x6a]);\n\nconst FINGERPRINT_FIRST_BYTES = 1024;\nconst EMPTY_FINGERPRINT =\n  \"\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\";\n\nconst PDF_HEADER_VERSION_REGEXP = /^[1-9]\\.[0-9]$/;\n\nfunction find(stream, signature, limit = 1024, backwards = false) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(limit > 0, 'The \"limit\" must be a positive integer.');\n  }\n  const signatureLength = signature.length;\n\n  const scanBytes = stream.peekBytes(limit);\n  const scanLength = scanBytes.length - signatureLength;\n\n  if (scanLength <= 0) {\n    return false;\n  }\n  if (backwards) {\n    const signatureEnd = signatureLength - 1;\n\n    let pos = scanBytes.length - 1;\n    while (pos >= signatureEnd) {\n      let j = 0;\n      while (\n        j < signatureLength &&\n        scanBytes[pos - j] === signature[signatureEnd - j]\n      ) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found.\n        stream.pos += pos - signatureEnd;\n        return true;\n      }\n      pos--;\n    }\n  } else {\n    // forwards\n    let pos = 0;\n    while (pos <= scanLength) {\n      let j = 0;\n      while (j < signatureLength && scanBytes[pos + j] === signature[j]) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found.\n        stream.pos += pos;\n        return true;\n      }\n      pos++;\n    }\n  }\n  return false;\n}\n\n/**\n * The `PDFDocument` class holds all the (worker-thread) data of the PDF file.\n */\nclass PDFDocument {\n  constructor(pdfManager, arg) {\n    let stream;\n    if (isStream(arg)) {\n      stream = arg;\n    } else if (isArrayBuffer(arg)) {\n      stream = new Stream(arg);\n    } else {\n      throw new Error(\"PDFDocument: Unknown argument type\");\n    }\n    if (stream.length <= 0) {\n      throw new InvalidPDFException(\n        \"The PDF file is empty, i.e. its size is zero bytes.\"\n      );\n    }\n\n    this.pdfManager = pdfManager;\n    this.stream = stream;\n    this.xref = new XRef(stream, pdfManager);\n    this._pagePromises = [];\n    this._version = null;\n\n    const idCounters = {\n      font: 0,\n    };\n    this._globalIdFactory = class {\n      static getDocId() {\n        return `g_${pdfManager.docId}`;\n      }\n\n      static createFontId() {\n        return `f${++idCounters.font}`;\n      }\n\n      static createObjId() {\n        unreachable(\"Abstract method `createObjId` called.\");\n      }\n    };\n  }\n\n  parse(recoveryMode) {\n    this.xref.parse(recoveryMode);\n    this.catalog = new Catalog(this.pdfManager, this.xref);\n\n    // The `checkHeader` method is called before this method and parses the\n    // version from the header. The specification states in section 7.5.2\n    // that the version from the catalog, if present, should overwrite the\n    // version from the header.\n    if (this.catalog.version) {\n      this._version = this.catalog.version;\n    }\n  }\n\n  get linearization() {\n    let linearization = null;\n    try {\n      linearization = Linearization.create(this.stream);\n    } catch (err) {\n      if (err instanceof MissingDataException) {\n        throw err;\n      }\n      info(err);\n    }\n    return shadow(this, \"linearization\", linearization);\n  }\n\n  get startXRef() {\n    const stream = this.stream;\n    let startXRef = 0;\n\n    if (this.linearization) {\n      // Find the end of the first object.\n      stream.reset();\n      if (find(stream, ENDOBJ_SIGNATURE)) {\n        startXRef = stream.pos + 6 - stream.start;\n      }\n    } else {\n      // Find `startxref` by checking backwards from the end of the file.\n      const step = 1024;\n      const startXRefLength = STARTXREF_SIGNATURE.length;\n      let found = false,\n        pos = stream.end;\n\n      while (!found && pos > 0) {\n        pos -= step - startXRefLength;\n        if (pos < 0) {\n          pos = 0;\n        }\n        stream.pos = pos;\n        found = find(stream, STARTXREF_SIGNATURE, step, true);\n      }\n\n      if (found) {\n        stream.skip(9);\n        let ch;\n        do {\n          ch = stream.getByte();\n        } while (isWhiteSpace(ch));\n        let str = \"\";\n        while (ch >= /* Space = */ 0x20 && ch <= /* '9' = */ 0x39) {\n          str += String.fromCharCode(ch);\n          ch = stream.getByte();\n        }\n        startXRef = parseInt(str, 10);\n        if (isNaN(startXRef)) {\n          startXRef = 0;\n        }\n      }\n    }\n    return shadow(this, \"startXRef\", startXRef);\n  }\n\n  // Find the header, get the PDF format version and setup the\n  // stream to start from the header.\n  checkHeader() {\n    const stream = this.stream;\n    stream.reset();\n\n    if (!find(stream, PDF_HEADER_SIGNATURE)) {\n      // May not be a PDF file, but don't throw an error and let\n      // parsing continue.\n      return;\n    }\n    stream.moveStart();\n\n    // Read the PDF format version.\n    const MAX_PDF_VERSION_LENGTH = 12;\n    let version = \"\",\n      ch;\n    while ((ch = stream.getByte()) > /* Space = */ 0x20) {\n      if (version.length >= MAX_PDF_VERSION_LENGTH) {\n        break;\n      }\n      version += String.fromCharCode(ch);\n    }\n    if (!this._version) {\n      // Remove the \"%PDF-\" prefix.\n      this._version = version.substring(5);\n    }\n  }\n\n  parseStartXRef() {\n    this.xref.setStartXRef(this.startXRef);\n  }\n\n  get numPages() {\n    const linearization = this.linearization;\n    const num = linearization ? linearization.numPages : this.catalog.numPages;\n    return shadow(this, \"numPages\", num);\n  }\n\n  /**\n   * @private\n   */\n  _hasOnlyDocumentSignatures(fields, recursionDepth = 0) {\n    const RECURSION_LIMIT = 10;\n    return fields.every(field => {\n      field = this.xref.fetchIfRef(field);\n      if (field.has(\"Kids\")) {\n        if (++recursionDepth > RECURSION_LIMIT) {\n          warn(\"_hasOnlyDocumentSignatures: maximum recursion depth reached\");\n          return false;\n        }\n        return this._hasOnlyDocumentSignatures(\n          field.get(\"Kids\"),\n          recursionDepth\n        );\n      }\n      const isSignature = isName(field.get(\"FT\"), \"Sig\");\n      const rectangle = field.get(\"Rect\");\n      const isInvisible =\n        Array.isArray(rectangle) && rectangle.every(value => value === 0);\n      return isSignature && isInvisible;\n    });\n  }\n\n  get formInfo() {\n    const formInfo = { hasAcroForm: false, hasXfa: false };\n    const acroForm = this.catalog.acroForm;\n    if (!acroForm) {\n      return shadow(this, \"formInfo\", formInfo);\n    }\n\n    try {\n      // The document contains XFA data if the `XFA` entry is a non-empty\n      // array or stream.\n      const xfa = acroForm.get(\"XFA\");\n      const hasXfa =\n        (Array.isArray(xfa) && xfa.length > 0) ||\n        (isStream(xfa) && !xfa.isEmpty);\n      formInfo.hasXfa = hasXfa;\n\n      // The document contains AcroForm data if the `Fields` entry is a\n      // non-empty array and it doesn't consist of only document signatures.\n      // This second check is required for files that don't actually contain\n      // AcroForm data (only XFA data), but that use the `Fields` entry to\n      // store (invisible) document signatures. This can be detected using\n      // the first bit of the `SigFlags` integer (see Table 219 in the\n      // specification).\n      const fields = acroForm.get(\"Fields\");\n      const hasFields = Array.isArray(fields) && fields.length > 0;\n      const sigFlags = acroForm.get(\"SigFlags\");\n      const hasOnlyDocumentSignatures =\n        !!(sigFlags & 0x1) && this._hasOnlyDocumentSignatures(fields);\n      formInfo.hasAcroForm = hasFields && !hasOnlyDocumentSignatures;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch form information.\");\n    }\n    return shadow(this, \"formInfo\", formInfo);\n  }\n\n  get documentInfo() {\n    const DocumentInfoValidators = {\n      Title: isString,\n      Author: isString,\n      Subject: isString,\n      Keywords: isString,\n      Creator: isString,\n      Producer: isString,\n      CreationDate: isString,\n      ModDate: isString,\n      Trapped: isName,\n    };\n\n    let version = this._version;\n    if (\n      typeof version !== \"string\" ||\n      !PDF_HEADER_VERSION_REGEXP.test(version)\n    ) {\n      warn(`Invalid PDF header version number: ${version}`);\n      version = null;\n    }\n\n    const docInfo = {\n      PDFFormatVersion: version,\n      IsLinearized: !!this.linearization,\n      IsAcroFormPresent: this.formInfo.hasAcroForm,\n      IsXFAPresent: this.formInfo.hasXfa,\n      IsCollectionPresent: !!this.catalog.collection,\n    };\n\n    let infoDict;\n    try {\n      infoDict = this.xref.trailer.get(\"Info\");\n    } catch (err) {\n      if (err instanceof MissingDataException) {\n        throw err;\n      }\n      info(\"The document information dictionary is invalid.\");\n    }\n\n    if (isDict(infoDict)) {\n      // Fill the document info with valid entries from the specification,\n      // as well as any existing well-formed custom entries.\n      for (const key of infoDict.getKeys()) {\n        const value = infoDict.get(key);\n\n        if (DocumentInfoValidators[key]) {\n          // Make sure the (standard) value conforms to the specification.\n          if (DocumentInfoValidators[key](value)) {\n            docInfo[key] =\n              typeof value !== \"string\" ? value : stringToPDFString(value);\n          } else {\n            info(`Bad value in document info for \"${key}\".`);\n          }\n        } else if (typeof key === \"string\") {\n          // For custom values, only accept white-listed types to prevent\n          // errors that would occur when trying to send non-serializable\n          // objects to the main-thread (for example `Dict` or `Stream`).\n          let customValue;\n          if (isString(value)) {\n            customValue = stringToPDFString(value);\n          } else if (isName(value) || isNum(value) || isBool(value)) {\n            customValue = value;\n          } else {\n            info(`Unsupported value in document info for (custom) \"${key}\".`);\n            continue;\n          }\n\n          if (!docInfo.Custom) {\n            docInfo.Custom = Object.create(null);\n          }\n          docInfo.Custom[key] = customValue;\n        }\n      }\n    }\n    return shadow(this, \"documentInfo\", docInfo);\n  }\n\n  get fingerprint() {\n    let hash;\n    const idArray = this.xref.trailer.get(\"ID\");\n    if (\n      Array.isArray(idArray) &&\n      idArray[0] &&\n      isString(idArray[0]) &&\n      idArray[0] !== EMPTY_FINGERPRINT\n    ) {\n      hash = stringToBytes(idArray[0]);\n    } else {\n      hash = calculateMD5(\n        this.stream.getByteRange(0, FINGERPRINT_FIRST_BYTES),\n        0,\n        FINGERPRINT_FIRST_BYTES\n      );\n    }\n\n    const fingerprintBuf = [];\n    for (let i = 0, ii = hash.length; i < ii; i++) {\n      const hex = hash[i].toString(16);\n      fingerprintBuf.push(hex.padStart(2, \"0\"));\n    }\n    return shadow(this, \"fingerprint\", fingerprintBuf.join(\"\"));\n  }\n\n  _getLinearizationPage(pageIndex) {\n    const { catalog, linearization } = this;\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        linearization && linearization.pageFirst === pageIndex,\n        \"_getLinearizationPage - invalid pageIndex argument.\"\n      );\n    }\n\n    const ref = Ref.get(linearization.objectNumberFirst, 0);\n    return this.xref\n      .fetchAsync(ref)\n      .then(obj => {\n        // Ensure that the object that was found is actually a Page dictionary.\n        if (\n          isDict(obj, \"Page\") ||\n          (isDict(obj) && !obj.has(\"Type\") && obj.has(\"Contents\"))\n        ) {\n          if (ref && !catalog.pageKidsCountCache.has(ref)) {\n            catalog.pageKidsCountCache.put(ref, 1); // Cache the Page reference.\n          }\n          return [obj, ref];\n        }\n        throw new FormatError(\n          \"The Linearization dictionary doesn't point \" +\n            \"to a valid Page dictionary.\"\n        );\n      })\n      .catch(reason => {\n        info(reason);\n        return catalog.getPageDict(pageIndex);\n      });\n  }\n\n  getPage(pageIndex) {\n    if (this._pagePromises[pageIndex] !== undefined) {\n      return this._pagePromises[pageIndex];\n    }\n    const { catalog, linearization } = this;\n\n    const promise =\n      linearization && linearization.pageFirst === pageIndex\n        ? this._getLinearizationPage(pageIndex)\n        : catalog.getPageDict(pageIndex);\n\n    return (this._pagePromises[pageIndex] = promise.then(([pageDict, ref]) => {\n      return new Page({\n        pdfManager: this.pdfManager,\n        xref: this.xref,\n        pageIndex,\n        pageDict,\n        ref,\n        globalIdFactory: this._globalIdFactory,\n        fontCache: catalog.fontCache,\n        builtInCMapCache: catalog.builtInCMapCache,\n        globalImageCache: catalog.globalImageCache,\n      });\n    }));\n  }\n\n  checkFirstPage() {\n    return this.getPage(0).catch(async reason => {\n      if (reason instanceof XRefEntryException) {\n        // Clear out the various caches to ensure that we haven't stored any\n        // inconsistent and/or incorrect state, since that could easily break\n        // subsequent `this.getPage` calls.\n        this._pagePromises.length = 0;\n        await this.cleanup();\n\n        throw new XRefParseException();\n      }\n    });\n  }\n\n  fontFallback(id, handler) {\n    return this.catalog.fontFallback(id, handler);\n  }\n\n  async cleanup(manuallyTriggered = false) {\n    return this.catalog\n      ? this.catalog.cleanup(manuallyTriggered)\n      : clearPrimitiveCaches();\n  }\n}\n\nexport { Page, PDFDocument };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  FormatError,\n  info,\n  InvalidPDFException,\n  isBool,\n  isNum,\n  isString,\n  PermissionFlag,\n  shadow,\n  stringToPDFString,\n  stringToUTF8String,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  clearPrimitiveCaches,\n  Cmd,\n  Dict,\n  isCmd,\n  isDict,\n  isName,\n  isRef,\n  isRefsEqual,\n  isStream,\n  Ref,\n  RefSet,\n  RefSetCache,\n} from \"./primitives.js\";\nimport { Lexer, Parser } from \"./parser.js\";\nimport {\n  MissingDataException,\n  toRomanNumerals,\n  XRefEntryException,\n  XRefParseException,\n} from \"./core_utils.js\";\nimport { CipherTransformFactory } from \"./crypto.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { GlobalImageCache } from \"./image_utils.js\";\n\nfunction fetchDestination(dest) {\n  return isDict(dest) ? dest.get(\"D\") : dest;\n}\n\nclass Catalog {\n  constructor(pdfManager, xref) {\n    this.pdfManager = pdfManager;\n    this.xref = xref;\n\n    this._catDict = xref.getCatalogObj();\n    if (!isDict(this._catDict)) {\n      throw new FormatError(\"Catalog object is not a dictionary.\");\n    }\n\n    this.fontCache = new RefSetCache();\n    this.builtInCMapCache = new Map();\n    this.globalImageCache = new GlobalImageCache();\n    this.pageKidsCountCache = new RefSetCache();\n  }\n\n  get version() {\n    const version = this._catDict.get(\"Version\");\n    if (!isName(version)) {\n      return shadow(this, \"version\", null);\n    }\n    return shadow(this, \"version\", version.name);\n  }\n\n  get collection() {\n    let collection = null;\n    try {\n      const obj = this._catDict.get(\"Collection\");\n      if (isDict(obj) && obj.size > 0) {\n        collection = obj;\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch Collection entry; assuming no collection is present.\");\n    }\n    return shadow(this, \"collection\", collection);\n  }\n\n  get acroForm() {\n    let acroForm = null;\n    try {\n      const obj = this._catDict.get(\"AcroForm\");\n      if (isDict(obj) && obj.size > 0) {\n        acroForm = obj;\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch AcroForm entry; assuming no forms are present.\");\n    }\n    return shadow(this, \"acroForm\", acroForm);\n  }\n\n  get metadata() {\n    const streamRef = this._catDict.getRaw(\"Metadata\");\n    if (!isRef(streamRef)) {\n      return shadow(this, \"metadata\", null);\n    }\n\n    const suppressEncryption = !(\n      this.xref.encrypt && this.xref.encrypt.encryptMetadata\n    );\n    const stream = this.xref.fetch(streamRef, suppressEncryption);\n    let metadata;\n\n    if (stream && isDict(stream.dict)) {\n      const type = stream.dict.get(\"Type\");\n      const subtype = stream.dict.get(\"Subtype\");\n\n      if (isName(type, \"Metadata\") && isName(subtype, \"XML\")) {\n        // XXX: This should examine the charset the XML document defines,\n        // however since there are currently no real means to decode\n        // arbitrary charsets, let's just hope that the author of the PDF\n        // was reasonable enough to stick with the XML default charset,\n        // which is UTF-8.\n        try {\n          metadata = stringToUTF8String(bytesToString(stream.getBytes()));\n        } catch (e) {\n          if (e instanceof MissingDataException) {\n            throw e;\n          }\n          info(\"Skipping invalid metadata.\");\n        }\n      }\n    }\n    return shadow(this, \"metadata\", metadata);\n  }\n\n  get toplevelPagesDict() {\n    const pagesObj = this._catDict.get(\"Pages\");\n    if (!isDict(pagesObj)) {\n      throw new FormatError(\"Invalid top-level pages dictionary.\");\n    }\n    return shadow(this, \"toplevelPagesDict\", pagesObj);\n  }\n\n  get documentOutline() {\n    let obj = null;\n    try {\n      obj = this._readDocumentOutline();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read document outline.\");\n    }\n    return shadow(this, \"documentOutline\", obj);\n  }\n\n  /**\n   * @private\n   */\n  _readDocumentOutline() {\n    let obj = this._catDict.get(\"Outlines\");\n    if (!isDict(obj)) {\n      return null;\n    }\n    obj = obj.getRaw(\"First\");\n    if (!isRef(obj)) {\n      return null;\n    }\n\n    const root = { items: [] };\n    const queue = [{ obj, parent: root }];\n    // To avoid recursion, keep track of the already processed items.\n    const processed = new RefSet();\n    processed.put(obj);\n    const xref = this.xref,\n      blackColor = new Uint8ClampedArray(3);\n\n    while (queue.length > 0) {\n      const i = queue.shift();\n      const outlineDict = xref.fetchIfRef(i.obj);\n      if (outlineDict === null) {\n        continue;\n      }\n      if (!outlineDict.has(\"Title\")) {\n        throw new FormatError(\"Invalid outline item encountered.\");\n      }\n\n      const data = { url: null, dest: null };\n      Catalog.parseDestDictionary({\n        destDict: outlineDict,\n        resultObj: data,\n        docBaseUrl: this.pdfManager.docBaseUrl,\n      });\n      const title = outlineDict.get(\"Title\");\n      const flags = outlineDict.get(\"F\") || 0;\n      const color = outlineDict.getArray(\"C\");\n      const count = outlineDict.get(\"Count\");\n      let rgbColor = blackColor;\n\n      // We only need to parse the color when it's valid, and non-default.\n      if (\n        Array.isArray(color) &&\n        color.length === 3 &&\n        (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)\n      ) {\n        rgbColor = ColorSpace.singletons.rgb.getRgb(color, 0);\n      }\n\n      const outlineItem = {\n        dest: data.dest,\n        url: data.url,\n        unsafeUrl: data.unsafeUrl,\n        newWindow: data.newWindow,\n        title: stringToPDFString(title),\n        color: rgbColor,\n        count: Number.isInteger(count) ? count : undefined,\n        bold: !!(flags & 2),\n        italic: !!(flags & 1),\n        items: [],\n      };\n\n      i.parent.items.push(outlineItem);\n      obj = outlineDict.getRaw(\"First\");\n      if (isRef(obj) && !processed.has(obj)) {\n        queue.push({ obj, parent: outlineItem });\n        processed.put(obj);\n      }\n      obj = outlineDict.getRaw(\"Next\");\n      if (isRef(obj) && !processed.has(obj)) {\n        queue.push({ obj, parent: i.parent });\n        processed.put(obj);\n      }\n    }\n    return root.items.length > 0 ? root.items : null;\n  }\n\n  get permissions() {\n    let permissions = null;\n    try {\n      permissions = this._readPermissions();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read permissions.\");\n    }\n    return shadow(this, \"permissions\", permissions);\n  }\n\n  /**\n   * @private\n   */\n  _readPermissions() {\n    const encrypt = this.xref.trailer.get(\"Encrypt\");\n    if (!isDict(encrypt)) {\n      return null;\n    }\n\n    let flags = encrypt.get(\"P\");\n    if (!isNum(flags)) {\n      return null;\n    }\n\n    // PDF integer objects are represented internally in signed 2's complement\n    // form. Therefore, convert the signed decimal integer to a signed 2's\n    // complement binary integer so we can use regular bitwise operations on it.\n    flags += 2 ** 32;\n\n    const permissions = [];\n    for (const key in PermissionFlag) {\n      const value = PermissionFlag[key];\n      if (flags & value) {\n        permissions.push(value);\n      }\n    }\n    return permissions;\n  }\n\n  get optionalContentConfig() {\n    let config = null;\n    try {\n      const properties = this._catDict.get(\"OCProperties\");\n      if (!properties) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const defaultConfig = properties.get(\"D\");\n      if (!defaultConfig) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const groupsData = properties.get(\"OCGs\");\n      if (!Array.isArray(groupsData)) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const groups = [];\n      const groupRefs = [];\n      // Ensure all the optional content groups are valid.\n      for (const groupRef of groupsData) {\n        if (!isRef(groupRef)) {\n          continue;\n        }\n        groupRefs.push(groupRef);\n        const group = this.xref.fetchIfRef(groupRef);\n        groups.push({\n          id: groupRef.toString(),\n          name: isString(group.get(\"Name\"))\n            ? stringToPDFString(group.get(\"Name\"))\n            : null,\n          intent: isString(group.get(\"Intent\"))\n            ? stringToPDFString(group.get(\"Intent\"))\n            : null,\n        });\n      }\n      config = this._readOptionalContentConfig(defaultConfig, groupRefs);\n      config.groups = groups;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`Unable to read optional content config: ${ex}`);\n    }\n    return shadow(this, \"optionalContentConfig\", config);\n  }\n\n  _readOptionalContentConfig(config, contentGroupRefs) {\n    function parseOnOff(refs) {\n      const onParsed = [];\n      if (Array.isArray(refs)) {\n        for (const value of refs) {\n          if (!isRef(value)) {\n            continue;\n          }\n          if (contentGroupRefs.includes(value)) {\n            onParsed.push(value.toString());\n          }\n        }\n      }\n      return onParsed;\n    }\n\n    function parseOrder(refs, nestedLevels = 0) {\n      if (!Array.isArray(refs)) {\n        return null;\n      }\n      const order = [];\n\n      for (const value of refs) {\n        if (isRef(value) && contentGroupRefs.includes(value)) {\n          parsedOrderRefs.put(value); // Handle \"hidden\" groups, see below.\n\n          order.push(value.toString());\n          continue;\n        }\n        // Handle nested /Order arrays (see e.g. issue 9462 and bug 1240641).\n        const nestedOrder = parseNestedOrder(value, nestedLevels);\n        if (nestedOrder) {\n          order.push(nestedOrder);\n        }\n      }\n\n      if (nestedLevels > 0) {\n        return order;\n      }\n      const hiddenGroups = [];\n      for (const groupRef of contentGroupRefs) {\n        if (parsedOrderRefs.has(groupRef)) {\n          continue;\n        }\n        hiddenGroups.push(groupRef.toString());\n      }\n      if (hiddenGroups.length) {\n        order.push({ name: null, order: hiddenGroups });\n      }\n\n      return order;\n    }\n\n    function parseNestedOrder(ref, nestedLevels) {\n      if (++nestedLevels > MAX_NESTED_LEVELS) {\n        warn(\"parseNestedOrder - reached MAX_NESTED_LEVELS.\");\n        return null;\n      }\n      const value = xref.fetchIfRef(ref);\n      if (!Array.isArray(value)) {\n        return null;\n      }\n      const nestedName = xref.fetchIfRef(value[0]);\n      if (typeof nestedName !== \"string\") {\n        return null;\n      }\n      const nestedOrder = parseOrder(value.slice(1), nestedLevels);\n      if (!nestedOrder || !nestedOrder.length) {\n        return null;\n      }\n      return { name: stringToPDFString(nestedName), order: nestedOrder };\n    }\n\n    const xref = this.xref,\n      parsedOrderRefs = new RefSet(),\n      MAX_NESTED_LEVELS = 10;\n\n    return {\n      name: isString(config.get(\"Name\"))\n        ? stringToPDFString(config.get(\"Name\"))\n        : null,\n      creator: isString(config.get(\"Creator\"))\n        ? stringToPDFString(config.get(\"Creator\"))\n        : null,\n      baseState: isName(config.get(\"BaseState\"))\n        ? config.get(\"BaseState\").name\n        : null,\n      on: parseOnOff(config.get(\"ON\")),\n      off: parseOnOff(config.get(\"OFF\")),\n      order: parseOrder(config.get(\"Order\")),\n      groups: null,\n    };\n  }\n\n  get numPages() {\n    const obj = this.toplevelPagesDict.get(\"Count\");\n    if (!Number.isInteger(obj)) {\n      throw new FormatError(\n        \"Page count in top-level pages dictionary is not an integer.\"\n      );\n    }\n    return shadow(this, \"numPages\", obj);\n  }\n\n  get destinations() {\n    const obj = this._readDests(),\n      dests = Object.create(null);\n    if (obj instanceof NameTree) {\n      const names = obj.getAll();\n      for (const name in names) {\n        dests[name] = fetchDestination(names[name]);\n      }\n    } else if (obj instanceof Dict) {\n      obj.forEach(function (key, value) {\n        if (value) {\n          dests[key] = fetchDestination(value);\n        }\n      });\n    }\n    return shadow(this, \"destinations\", dests);\n  }\n\n  getDestination(destinationId) {\n    const obj = this._readDests();\n    if (obj instanceof NameTree || obj instanceof Dict) {\n      return fetchDestination(obj.get(destinationId) || null);\n    }\n    return null;\n  }\n\n  /**\n   * @private\n   */\n  _readDests() {\n    const obj = this._catDict.get(\"Names\");\n    if (obj && obj.has(\"Dests\")) {\n      return new NameTree(obj.getRaw(\"Dests\"), this.xref);\n    } else if (this._catDict.has(\"Dests\")) {\n      // Simple destination dictionary.\n      return this._catDict.get(\"Dests\");\n    }\n    return undefined;\n  }\n\n  get pageLabels() {\n    let obj = null;\n    try {\n      obj = this._readPageLabels();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read page labels.\");\n    }\n    return shadow(this, \"pageLabels\", obj);\n  }\n\n  /**\n   * @private\n   */\n  _readPageLabels() {\n    const obj = this._catDict.getRaw(\"PageLabels\");\n    if (!obj) {\n      return null;\n    }\n\n    const pageLabels = new Array(this.numPages);\n    let style = null,\n      prefix = \"\";\n\n    const numberTree = new NumberTree(obj, this.xref);\n    const nums = numberTree.getAll();\n    let currentLabel = \"\",\n      currentIndex = 1;\n\n    for (let i = 0, ii = this.numPages; i < ii; i++) {\n      if (i in nums) {\n        const labelDict = nums[i];\n        if (!isDict(labelDict)) {\n          throw new FormatError(\"PageLabel is not a dictionary.\");\n        }\n\n        if (\n          labelDict.has(\"Type\") &&\n          !isName(labelDict.get(\"Type\"), \"PageLabel\")\n        ) {\n          throw new FormatError(\"Invalid type in PageLabel dictionary.\");\n        }\n\n        if (labelDict.has(\"S\")) {\n          const s = labelDict.get(\"S\");\n          if (!isName(s)) {\n            throw new FormatError(\"Invalid style in PageLabel dictionary.\");\n          }\n          style = s.name;\n        } else {\n          style = null;\n        }\n\n        if (labelDict.has(\"P\")) {\n          const p = labelDict.get(\"P\");\n          if (!isString(p)) {\n            throw new FormatError(\"Invalid prefix in PageLabel dictionary.\");\n          }\n          prefix = stringToPDFString(p);\n        } else {\n          prefix = \"\";\n        }\n\n        if (labelDict.has(\"St\")) {\n          const st = labelDict.get(\"St\");\n          if (!(Number.isInteger(st) && st >= 1)) {\n            throw new FormatError(\"Invalid start in PageLabel dictionary.\");\n          }\n          currentIndex = st;\n        } else {\n          currentIndex = 1;\n        }\n      }\n\n      switch (style) {\n        case \"D\":\n          currentLabel = currentIndex;\n          break;\n        case \"R\":\n        case \"r\":\n          currentLabel = toRomanNumerals(currentIndex, style === \"r\");\n          break;\n        case \"A\":\n        case \"a\":\n          const LIMIT = 26; // Use only the characters A-Z, or a-z.\n          const A_UPPER_CASE = 0x41,\n            A_LOWER_CASE = 0x61;\n\n          const baseCharCode = style === \"a\" ? A_LOWER_CASE : A_UPPER_CASE;\n          const letterIndex = currentIndex - 1;\n          const character = String.fromCharCode(\n            baseCharCode + (letterIndex % LIMIT)\n          );\n          const charBuf = [];\n          for (let j = 0, jj = (letterIndex / LIMIT) | 0; j <= jj; j++) {\n            charBuf.push(character);\n          }\n          currentLabel = charBuf.join(\"\");\n          break;\n        default:\n          if (style) {\n            throw new FormatError(\n              `Invalid style \"${style}\" in PageLabel dictionary.`\n            );\n          }\n          currentLabel = \"\";\n      }\n\n      pageLabels[i] = prefix + currentLabel;\n      currentIndex++;\n    }\n    return pageLabels;\n  }\n\n  get pageLayout() {\n    const obj = this._catDict.get(\"PageLayout\");\n    // Purposely use a non-standard default value, rather than 'SinglePage', to\n    // allow differentiating between `undefined` and /SinglePage since that does\n    // affect the Scroll mode (continuous/non-continuous) used in Adobe Reader.\n    let pageLayout = \"\";\n\n    if (isName(obj)) {\n      switch (obj.name) {\n        case \"SinglePage\":\n        case \"OneColumn\":\n        case \"TwoColumnLeft\":\n        case \"TwoColumnRight\":\n        case \"TwoPageLeft\":\n        case \"TwoPageRight\":\n          pageLayout = obj.name;\n      }\n    }\n    return shadow(this, \"pageLayout\", pageLayout);\n  }\n\n  get pageMode() {\n    const obj = this._catDict.get(\"PageMode\");\n    let pageMode = \"UseNone\"; // Default value.\n\n    if (isName(obj)) {\n      switch (obj.name) {\n        case \"UseNone\":\n        case \"UseOutlines\":\n        case \"UseThumbs\":\n        case \"FullScreen\":\n        case \"UseOC\":\n        case \"UseAttachments\":\n          pageMode = obj.name;\n      }\n    }\n    return shadow(this, \"pageMode\", pageMode);\n  }\n\n  get viewerPreferences() {\n    const ViewerPreferencesValidators = {\n      HideToolbar: isBool,\n      HideMenubar: isBool,\n      HideWindowUI: isBool,\n      FitWindow: isBool,\n      CenterWindow: isBool,\n      DisplayDocTitle: isBool,\n      NonFullScreenPageMode: isName,\n      Direction: isName,\n      ViewArea: isName,\n      ViewClip: isName,\n      PrintArea: isName,\n      PrintClip: isName,\n      PrintScaling: isName,\n      Duplex: isName,\n      PickTrayByPDFSize: isBool,\n      PrintPageRange: Array.isArray,\n      NumCopies: Number.isInteger,\n    };\n\n    const obj = this._catDict.get(\"ViewerPreferences\");\n    let prefs = null;\n\n    if (isDict(obj)) {\n      for (const key in ViewerPreferencesValidators) {\n        if (!obj.has(key)) {\n          continue;\n        }\n        const value = obj.get(key);\n        // Make sure the (standard) value conforms to the specification.\n        if (!ViewerPreferencesValidators[key](value)) {\n          info(`Bad value in ViewerPreferences for \"${key}\".`);\n          continue;\n        }\n        let prefValue;\n\n        switch (key) {\n          case \"NonFullScreenPageMode\":\n            switch (value.name) {\n              case \"UseNone\":\n              case \"UseOutlines\":\n              case \"UseThumbs\":\n              case \"UseOC\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"UseNone\";\n            }\n            break;\n          case \"Direction\":\n            switch (value.name) {\n              case \"L2R\":\n              case \"R2L\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"L2R\";\n            }\n            break;\n          case \"ViewArea\":\n          case \"ViewClip\":\n          case \"PrintArea\":\n          case \"PrintClip\":\n            switch (value.name) {\n              case \"MediaBox\":\n              case \"CropBox\":\n              case \"BleedBox\":\n              case \"TrimBox\":\n              case \"ArtBox\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"CropBox\";\n            }\n            break;\n          case \"PrintScaling\":\n            switch (value.name) {\n              case \"None\":\n              case \"AppDefault\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"AppDefault\";\n            }\n            break;\n          case \"Duplex\":\n            switch (value.name) {\n              case \"Simplex\":\n              case \"DuplexFlipShortEdge\":\n              case \"DuplexFlipLongEdge\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"None\";\n            }\n            break;\n          case \"PrintPageRange\":\n            const length = value.length;\n            if (length % 2 !== 0) {\n              // The number of elements must be even.\n              break;\n            }\n            const isValid = value.every((page, i, arr) => {\n              return (\n                Number.isInteger(page) &&\n                page > 0 &&\n                (i === 0 || page >= arr[i - 1]) &&\n                page <= this.numPages\n              );\n            });\n            if (isValid) {\n              prefValue = value;\n            }\n            break;\n          case \"NumCopies\":\n            if (value > 0) {\n              prefValue = value;\n            }\n            break;\n          default:\n            if (typeof value !== \"boolean\") {\n              throw new FormatError(\n                `viewerPreferences - expected a boolean value for: ${key}`\n              );\n            }\n            prefValue = value;\n        }\n\n        if (prefValue !== undefined) {\n          if (!prefs) {\n            prefs = Object.create(null);\n          }\n          prefs[key] = prefValue;\n        } else {\n          info(`Bad value in ViewerPreferences for \"${key}\".`);\n        }\n      }\n    }\n    return shadow(this, \"viewerPreferences\", prefs);\n  }\n\n  /**\n   * NOTE: \"JavaScript\" actions are, for now, handled by `get javaScript` below.\n   */\n  get openAction() {\n    const obj = this._catDict.get(\"OpenAction\");\n    let openAction = null;\n\n    if (isDict(obj)) {\n      // Convert the OpenAction dictionary into a format that works with\n      // `parseDestDictionary`, to avoid having to re-implement those checks.\n      const destDict = new Dict(this.xref);\n      destDict.set(\"A\", obj);\n\n      const resultObj = { url: null, dest: null, action: null };\n      Catalog.parseDestDictionary({ destDict, resultObj });\n\n      if (Array.isArray(resultObj.dest)) {\n        if (!openAction) {\n          openAction = Object.create(null);\n        }\n        openAction.dest = resultObj.dest;\n      } else if (resultObj.action) {\n        if (!openAction) {\n          openAction = Object.create(null);\n        }\n        openAction.action = resultObj.action;\n      }\n    } else if (Array.isArray(obj)) {\n      if (!openAction) {\n        openAction = Object.create(null);\n      }\n      openAction.dest = obj;\n    }\n    return shadow(this, \"openAction\", openAction);\n  }\n\n  get attachments() {\n    const obj = this._catDict.get(\"Names\");\n    let attachments = null;\n\n    if (obj && obj.has(\"EmbeddedFiles\")) {\n      const nameTree = new NameTree(obj.getRaw(\"EmbeddedFiles\"), this.xref);\n      const names = nameTree.getAll();\n      for (const name in names) {\n        const fs = new FileSpec(names[name], this.xref);\n        if (!attachments) {\n          attachments = Object.create(null);\n        }\n        attachments[stringToPDFString(name)] = fs.serializable;\n      }\n    }\n    return shadow(this, \"attachments\", attachments);\n  }\n\n  get javaScript() {\n    const obj = this._catDict.get(\"Names\");\n\n    let javaScript = null;\n    function appendIfJavaScriptDict(jsDict) {\n      const type = jsDict.get(\"S\");\n      if (!isName(type, \"JavaScript\")) {\n        return;\n      }\n\n      let js = jsDict.get(\"JS\");\n      if (isStream(js)) {\n        js = bytesToString(js.getBytes());\n      } else if (!isString(js)) {\n        return;\n      }\n\n      if (!javaScript) {\n        javaScript = [];\n      }\n      javaScript.push(stringToPDFString(js));\n    }\n\n    if (obj && obj.has(\"JavaScript\")) {\n      const nameTree = new NameTree(obj.getRaw(\"JavaScript\"), this.xref);\n      const names = nameTree.getAll();\n      for (const name in names) {\n        // We don't use most JavaScript in PDF documents. This code is\n        // defensive so we don't cause errors on document load.\n        const jsDict = names[name];\n        if (isDict(jsDict)) {\n          appendIfJavaScriptDict(jsDict);\n        }\n      }\n    }\n\n    // Append OpenAction \"JavaScript\" actions to the JavaScript array.\n    const openAction = this._catDict.get(\"OpenAction\");\n    if (isDict(openAction) && isName(openAction.get(\"S\"), \"JavaScript\")) {\n      appendIfJavaScriptDict(openAction);\n    }\n\n    return shadow(this, \"javaScript\", javaScript);\n  }\n\n  fontFallback(id, handler) {\n    const promises = [];\n    this.fontCache.forEach(function (promise) {\n      promises.push(promise);\n    });\n\n    return Promise.all(promises).then(translatedFonts => {\n      for (const translatedFont of translatedFonts) {\n        if (translatedFont.loadedName === id) {\n          translatedFont.fallback(handler);\n          return;\n        }\n      }\n    });\n  }\n\n  cleanup(manuallyTriggered = false) {\n    clearPrimitiveCaches();\n    this.globalImageCache.clear(/* onlyData = */ manuallyTriggered);\n    this.pageKidsCountCache.clear();\n\n    const promises = [];\n    this.fontCache.forEach(function (promise) {\n      promises.push(promise);\n    });\n\n    return Promise.all(promises).then(translatedFonts => {\n      for (const { dict } of translatedFonts) {\n        delete dict.translated;\n      }\n      this.fontCache.clear();\n      this.builtInCMapCache.clear();\n    });\n  }\n\n  getPageDict(pageIndex) {\n    const capability = createPromiseCapability();\n    const nodesToVisit = [this._catDict.getRaw(\"Pages\")];\n    const visitedNodes = new RefSet();\n    const xref = this.xref,\n      pageKidsCountCache = this.pageKidsCountCache;\n    let count,\n      currentPageIndex = 0;\n\n    function next() {\n      while (nodesToVisit.length) {\n        const currentNode = nodesToVisit.pop();\n\n        if (isRef(currentNode)) {\n          count = pageKidsCountCache.get(currentNode);\n          // Skip nodes where the page can't be.\n          if (count > 0 && currentPageIndex + count < pageIndex) {\n            currentPageIndex += count;\n            continue;\n          }\n          // Prevent circular references in the /Pages tree.\n          if (visitedNodes.has(currentNode)) {\n            capability.reject(\n              new FormatError(\"Pages tree contains circular reference.\")\n            );\n            return;\n          }\n          visitedNodes.put(currentNode);\n\n          xref.fetchAsync(currentNode).then(function (obj) {\n            if (isDict(obj, \"Page\") || (isDict(obj) && !obj.has(\"Kids\"))) {\n              if (pageIndex === currentPageIndex) {\n                // Cache the Page reference, since it can *greatly* improve\n                // performance by reducing redundant lookups in long documents\n                // where all nodes are found at *one* level of the tree.\n                if (currentNode && !pageKidsCountCache.has(currentNode)) {\n                  pageKidsCountCache.put(currentNode, 1);\n                }\n                capability.resolve([obj, currentNode]);\n              } else {\n                currentPageIndex++;\n                next();\n              }\n              return;\n            }\n            nodesToVisit.push(obj);\n            next();\n          }, capability.reject);\n          return;\n        }\n\n        // Must be a child page dictionary.\n        if (!isDict(currentNode)) {\n          capability.reject(\n            new FormatError(\n              \"Page dictionary kid reference points to wrong type of object.\"\n            )\n          );\n          return;\n        }\n\n        count = currentNode.get(\"Count\");\n        if (Number.isInteger(count) && count >= 0) {\n          // Cache the Kids count, since it can reduce redundant lookups in\n          // documents where all nodes are found at *one* level of the tree.\n          const objId = currentNode.objId;\n          if (objId && !pageKidsCountCache.has(objId)) {\n            pageKidsCountCache.put(objId, count);\n          }\n          // Skip nodes where the page can't be.\n          if (currentPageIndex + count <= pageIndex) {\n            currentPageIndex += count;\n            continue;\n          }\n        }\n\n        const kids = currentNode.get(\"Kids\");\n        if (!Array.isArray(kids)) {\n          // Prevent errors in corrupt PDF documents that violate the\n          // specification by *inlining* Page dicts directly in the Kids\n          // array, rather than using indirect objects (fixes issue9540.pdf).\n          if (\n            isName(currentNode.get(\"Type\"), \"Page\") ||\n            (!currentNode.has(\"Type\") && currentNode.has(\"Contents\"))\n          ) {\n            if (currentPageIndex === pageIndex) {\n              capability.resolve([currentNode, null]);\n              return;\n            }\n            currentPageIndex++;\n            continue;\n          }\n\n          capability.reject(\n            new FormatError(\"Page dictionary kids object is not an array.\")\n          );\n          return;\n        }\n\n        // Always check all `Kids` nodes, to avoid getting stuck in an empty\n        // node further down in the tree (see issue5644.pdf, issue8088.pdf),\n        // and to ensure that we actually find the correct `Page` dict.\n        for (let last = kids.length - 1; last >= 0; last--) {\n          nodesToVisit.push(kids[last]);\n        }\n      }\n      capability.reject(new Error(`Page index ${pageIndex} not found.`));\n    }\n    next();\n    return capability.promise;\n  }\n\n  getPageIndex(pageRef) {\n    // The page tree nodes have the count of all the leaves below them. To get\n    // how many pages are before we just have to walk up the tree and keep\n    // adding the count of siblings to the left of the node.\n    const xref = this.xref;\n\n    function pagesBeforeRef(kidRef) {\n      let total = 0,\n        parentRef;\n\n      return xref\n        .fetchAsync(kidRef)\n        .then(function (node) {\n          if (\n            isRefsEqual(kidRef, pageRef) &&\n            !isDict(node, \"Page\") &&\n            !(isDict(node) && !node.has(\"Type\") && node.has(\"Contents\"))\n          ) {\n            throw new FormatError(\n              \"The reference does not point to a /Page dictionary.\"\n            );\n          }\n          if (!node) {\n            return null;\n          }\n          if (!isDict(node)) {\n            throw new FormatError(\"Node must be a dictionary.\");\n          }\n          parentRef = node.getRaw(\"Parent\");\n          return node.getAsync(\"Parent\");\n        })\n        .then(function (parent) {\n          if (!parent) {\n            return null;\n          }\n          if (!isDict(parent)) {\n            throw new FormatError(\"Parent must be a dictionary.\");\n          }\n          return parent.getAsync(\"Kids\");\n        })\n        .then(function (kids) {\n          if (!kids) {\n            return null;\n          }\n\n          const kidPromises = [];\n          let found = false;\n          for (let i = 0, ii = kids.length; i < ii; i++) {\n            const kid = kids[i];\n            if (!isRef(kid)) {\n              throw new FormatError(\"Kid must be a reference.\");\n            }\n            if (isRefsEqual(kid, kidRef)) {\n              found = true;\n              break;\n            }\n            kidPromises.push(\n              xref.fetchAsync(kid).then(function (obj) {\n                if (!isDict(obj)) {\n                  throw new FormatError(\"Kid node must be a dictionary.\");\n                }\n                if (obj.has(\"Count\")) {\n                  total += obj.get(\"Count\");\n                } else {\n                  // Page leaf node.\n                  total++;\n                }\n              })\n            );\n          }\n          if (!found) {\n            throw new FormatError(\"Kid reference not found in parent's kids.\");\n          }\n          return Promise.all(kidPromises).then(function () {\n            return [total, parentRef];\n          });\n        });\n    }\n\n    let total = 0;\n    function next(ref) {\n      return pagesBeforeRef(ref).then(function (args) {\n        if (!args) {\n          return total;\n        }\n        const [count, parentRef] = args;\n        total += count;\n        return next(parentRef);\n      });\n    }\n\n    return next(pageRef);\n  }\n\n  /**\n   * @typedef ParseDestDictionaryParameters\n   * @property {Dict} destDict - The dictionary containing the destination.\n   * @property {Object} resultObj - The object where the parsed destination\n   *   properties will be placed.\n   * @property {string} [docBaseUrl] - The document base URL that is used when\n   *   attempting to recover valid absolute URLs from relative ones.\n   */\n\n  /**\n   * Helper function used to parse the contents of destination dictionaries.\n   * @param {ParseDestDictionaryParameters} params\n   */\n  static parseDestDictionary(params) {\n    // Lets URLs beginning with 'www.' default to using the 'http://' protocol.\n    function addDefaultProtocolToUrl(url) {\n      return url.startsWith(\"www.\") ? `http://${url}` : url;\n    }\n\n    // According to ISO 32000-1:2008, section 12.6.4.7, URIs should be encoded\n    // in 7-bit ASCII. Some bad PDFs use UTF-8 encoding; see Bugzilla 1122280.\n    function tryConvertUrlEncoding(url) {\n      try {\n        return stringToUTF8String(url);\n      } catch (e) {\n        return url;\n      }\n    }\n\n    const destDict = params.destDict;\n    if (!isDict(destDict)) {\n      warn(\"parseDestDictionary: `destDict` must be a dictionary.\");\n      return;\n    }\n    const resultObj = params.resultObj;\n    if (typeof resultObj !== \"object\") {\n      warn(\"parseDestDictionary: `resultObj` must be an object.\");\n      return;\n    }\n    const docBaseUrl = params.docBaseUrl || null;\n\n    let action = destDict.get(\"A\"),\n      url,\n      dest;\n    if (!isDict(action) && destDict.has(\"Dest\")) {\n      // A /Dest entry should *only* contain a Name or an Array, but some bad\n      // PDF generators ignore that and treat it as an /A entry.\n      action = destDict.get(\"Dest\");\n    }\n\n    if (isDict(action)) {\n      const actionType = action.get(\"S\");\n      if (!isName(actionType)) {\n        warn(\"parseDestDictionary: Invalid type in Action dictionary.\");\n        return;\n      }\n      const actionName = actionType.name;\n\n      switch (actionName) {\n        case \"URI\":\n          url = action.get(\"URI\");\n          if (isName(url)) {\n            // Some bad PDFs do not put parentheses around relative URLs.\n            url = \"/\" + url.name;\n          } else if (isString(url)) {\n            url = addDefaultProtocolToUrl(url);\n          }\n          // TODO: pdf spec mentions urls can be relative to a Base\n          // entry in the dictionary.\n          break;\n\n        case \"GoTo\":\n          dest = action.get(\"D\");\n          break;\n\n        case \"Launch\":\n        // We neither want, nor can, support arbitrary 'Launch' actions.\n        // However, in practice they are mostly used for linking to other PDF\n        // files, which we thus attempt to support (utilizing `docBaseUrl`).\n        /* falls through */\n\n        case \"GoToR\":\n          const urlDict = action.get(\"F\");\n          if (isDict(urlDict)) {\n            // We assume that we found a FileSpec dictionary\n            // and fetch the URL without checking any further.\n            url = urlDict.get(\"F\") || null;\n          } else if (isString(urlDict)) {\n            url = urlDict;\n          }\n\n          // NOTE: the destination is relative to the *remote* document.\n          let remoteDest = action.get(\"D\");\n          if (remoteDest) {\n            if (isName(remoteDest)) {\n              remoteDest = remoteDest.name;\n            }\n            if (isString(url)) {\n              const baseUrl = url.split(\"#\")[0];\n              if (isString(remoteDest)) {\n                url = baseUrl + \"#\" + remoteDest;\n              } else if (Array.isArray(remoteDest)) {\n                url = baseUrl + \"#\" + JSON.stringify(remoteDest);\n              }\n            }\n          }\n          // The 'NewWindow' property, equal to `LinkTarget.BLANK`.\n          const newWindow = action.get(\"NewWindow\");\n          if (isBool(newWindow)) {\n            resultObj.newWindow = newWindow;\n          }\n          break;\n\n        case \"Named\":\n          const namedAction = action.get(\"N\");\n          if (isName(namedAction)) {\n            resultObj.action = namedAction.name;\n          }\n          break;\n\n        case \"JavaScript\":\n          const jsAction = action.get(\"JS\");\n          let js;\n\n          if (isStream(jsAction)) {\n            js = bytesToString(jsAction.getBytes());\n          } else if (isString(jsAction)) {\n            js = jsAction;\n          }\n\n          if (js) {\n            // Attempt to recover valid URLs from `JS` entries with certain\n            // white-listed formats:\n            //  - window.open('http://example.com')\n            //  - app.launchURL('http://example.com', true)\n            const URL_OPEN_METHODS = [\"app.launchURL\", \"window.open\"];\n            const regex = new RegExp(\n              \"^\\\\s*(\" +\n                URL_OPEN_METHODS.join(\"|\").split(\".\").join(\"\\\\.\") +\n                \")\\\\((?:'|\\\")([^'\\\"]*)(?:'|\\\")(?:,\\\\s*(\\\\w+)\\\\)|\\\\))\",\n              \"i\"\n            );\n\n            const jsUrl = regex.exec(stringToPDFString(js));\n            if (jsUrl && jsUrl[2]) {\n              url = jsUrl[2];\n\n              if (jsUrl[3] === \"true\" && jsUrl[1] === \"app.launchURL\") {\n                resultObj.newWindow = true;\n              }\n              break;\n            }\n          }\n        /* falls through */\n        default:\n          warn(`parseDestDictionary: unsupported action type \"${actionName}\".`);\n          break;\n      }\n    } else if (destDict.has(\"Dest\")) {\n      // Simple destination.\n      dest = destDict.get(\"Dest\");\n    }\n\n    if (isString(url)) {\n      url = tryConvertUrlEncoding(url);\n      const absoluteUrl = createValidAbsoluteUrl(url, docBaseUrl);\n      if (absoluteUrl) {\n        resultObj.url = absoluteUrl.href;\n      }\n      resultObj.unsafeUrl = url;\n    }\n    if (dest) {\n      if (isName(dest)) {\n        dest = dest.name;\n      }\n      if (isString(dest) || Array.isArray(dest)) {\n        resultObj.dest = dest;\n      }\n    }\n  }\n}\n\nvar XRef = (function XRefClosure() {\n  // eslint-disable-next-line no-shadow\n  function XRef(stream, pdfManager) {\n    this.stream = stream;\n    this.pdfManager = pdfManager;\n    this.entries = [];\n    this.xrefstms = Object.create(null);\n    this._cacheMap = new Map(); // Prepare the XRef cache.\n    this.stats = {\n      streamTypes: Object.create(null),\n      fontTypes: Object.create(null),\n    };\n    this._newRefNum = null;\n  }\n\n  XRef.prototype = {\n    getNewRef: function XRef_getNewRef() {\n      if (this._newRefNum === null) {\n        this._newRefNum = this.entries.length;\n      }\n      return Ref.get(this._newRefNum++, 0);\n    },\n\n    resetNewRef: function XRef_resetNewRef() {\n      this._newRefNum = null;\n    },\n\n    setStartXRef: function XRef_setStartXRef(startXRef) {\n      // Store the starting positions of xref tables as we process them\n      // so we can recover from missing data errors\n      this.startXRefQueue = [startXRef];\n    },\n\n    parse: function XRef_parse(recoveryMode) {\n      var trailerDict;\n      if (!recoveryMode) {\n        trailerDict = this.readXRef();\n      } else {\n        warn(\"Indexing all PDF objects\");\n        trailerDict = this.indexObjects();\n      }\n      trailerDict.assignXref(this);\n      this.trailer = trailerDict;\n\n      let encrypt;\n      try {\n        encrypt = trailerDict.get(\"Encrypt\");\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(`XRef.parse - Invalid \"Encrypt\" reference: \"${ex}\".`);\n      }\n      if (isDict(encrypt)) {\n        var ids = trailerDict.get(\"ID\");\n        var fileId = ids && ids.length ? ids[0] : \"\";\n        // The 'Encrypt' dictionary itself should not be encrypted, and by\n        // setting `suppressEncryption` we can prevent an infinite loop inside\n        // of `XRef_fetchUncompressed` if the dictionary contains indirect\n        // objects (fixes issue7665.pdf).\n        encrypt.suppressEncryption = true;\n        this.encrypt = new CipherTransformFactory(\n          encrypt,\n          fileId,\n          this.pdfManager.password\n        );\n      }\n\n      // Get the root dictionary (catalog) object, and do some basic validation.\n      let root;\n      try {\n        root = trailerDict.get(\"Root\");\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(`XRef.parse - Invalid \"Root\" reference: \"${ex}\".`);\n      }\n      if (isDict(root) && root.has(\"Pages\")) {\n        this.root = root;\n      } else {\n        if (!recoveryMode) {\n          throw new XRefParseException();\n        }\n        throw new FormatError(\"Invalid root reference\");\n      }\n    },\n\n    processXRefTable: function XRef_processXRefTable(parser) {\n      if (!(\"tableState\" in this)) {\n        // Stores state of the table as we process it so we can resume\n        // from middle of table in case of missing data error\n        this.tableState = {\n          entryNum: 0,\n          streamPos: parser.lexer.stream.pos,\n          parserBuf1: parser.buf1,\n          parserBuf2: parser.buf2,\n        };\n      }\n\n      var obj = this.readXRefTable(parser);\n\n      // Sanity check\n      if (!isCmd(obj, \"trailer\")) {\n        throw new FormatError(\n          \"Invalid XRef table: could not find trailer dictionary\"\n        );\n      }\n      // Read trailer dictionary, e.g.\n      // trailer\n      //    << /Size 22\n      //      /Root 20R\n      //      /Info 10R\n      //      /ID [ <81b14aafa313db63dbd6f981e49f94f4> ]\n      //    >>\n      // The parser goes through the entire stream << ... >> and provides\n      // a getter interface for the key-value table\n      var dict = parser.getObj();\n\n      // The pdflib PDF generator can generate a nested trailer dictionary\n      if (!isDict(dict) && dict.dict) {\n        dict = dict.dict;\n      }\n      if (!isDict(dict)) {\n        throw new FormatError(\n          \"Invalid XRef table: could not parse trailer dictionary\"\n        );\n      }\n      delete this.tableState;\n\n      return dict;\n    },\n\n    readXRefTable: function XRef_readXRefTable(parser) {\n      // Example of cross-reference table:\n      // xref\n      // 0 1                    <-- subsection header (first obj #, obj count)\n      // 0000000000 65535 f     <-- actual object (offset, generation #, f/n)\n      // 23 2                   <-- subsection header ... and so on ...\n      // 0000025518 00002 n\n      // 0000025635 00000 n\n      // trailer\n      // ...\n\n      var stream = parser.lexer.stream;\n      var tableState = this.tableState;\n      stream.pos = tableState.streamPos;\n      parser.buf1 = tableState.parserBuf1;\n      parser.buf2 = tableState.parserBuf2;\n\n      // Outer loop is over subsection headers\n      var obj;\n\n      while (true) {\n        if (!(\"firstEntryNum\" in tableState) || !(\"entryCount\" in tableState)) {\n          if (isCmd((obj = parser.getObj()), \"trailer\")) {\n            break;\n          }\n          tableState.firstEntryNum = obj;\n          tableState.entryCount = parser.getObj();\n        }\n\n        var first = tableState.firstEntryNum;\n        var count = tableState.entryCount;\n        if (!Number.isInteger(first) || !Number.isInteger(count)) {\n          throw new FormatError(\n            \"Invalid XRef table: wrong types in subsection header\"\n          );\n        }\n        // Inner loop is over objects themselves\n        for (var i = tableState.entryNum; i < count; i++) {\n          tableState.streamPos = stream.pos;\n          tableState.entryNum = i;\n          tableState.parserBuf1 = parser.buf1;\n          tableState.parserBuf2 = parser.buf2;\n\n          var entry = {};\n          entry.offset = parser.getObj();\n          entry.gen = parser.getObj();\n          var type = parser.getObj();\n\n          if (type instanceof Cmd) {\n            switch (type.cmd) {\n              case \"f\":\n                entry.free = true;\n                break;\n              case \"n\":\n                entry.uncompressed = true;\n                break;\n            }\n          }\n\n          // Validate entry obj\n          if (\n            !Number.isInteger(entry.offset) ||\n            !Number.isInteger(entry.gen) ||\n            !(entry.free || entry.uncompressed)\n          ) {\n            throw new FormatError(\n              `Invalid entry in XRef subsection: ${first}, ${count}`\n            );\n          }\n\n          // The first xref table entry, i.e. obj 0, should be free. Attempting\n          // to adjust an incorrect first obj # (fixes issue 3248 and 7229).\n          if (i === 0 && entry.free && first === 1) {\n            first = 0;\n          }\n\n          if (!this.entries[i + first]) {\n            this.entries[i + first] = entry;\n          }\n        }\n\n        tableState.entryNum = 0;\n        tableState.streamPos = stream.pos;\n        tableState.parserBuf1 = parser.buf1;\n        tableState.parserBuf2 = parser.buf2;\n        delete tableState.firstEntryNum;\n        delete tableState.entryCount;\n      }\n\n      // Sanity check: as per spec, first object must be free\n      if (this.entries[0] && !this.entries[0].free) {\n        throw new FormatError(\"Invalid XRef table: unexpected first object\");\n      }\n      return obj;\n    },\n\n    processXRefStream: function XRef_processXRefStream(stream) {\n      if (!(\"streamState\" in this)) {\n        // Stores state of the stream as we process it so we can resume\n        // from middle of stream in case of missing data error\n        var streamParameters = stream.dict;\n        var byteWidths = streamParameters.get(\"W\");\n        var range = streamParameters.get(\"Index\");\n        if (!range) {\n          range = [0, streamParameters.get(\"Size\")];\n        }\n\n        this.streamState = {\n          entryRanges: range,\n          byteWidths,\n          entryNum: 0,\n          streamPos: stream.pos,\n        };\n      }\n      this.readXRefStream(stream);\n      delete this.streamState;\n\n      return stream.dict;\n    },\n\n    readXRefStream: function XRef_readXRefStream(stream) {\n      var i, j;\n      var streamState = this.streamState;\n      stream.pos = streamState.streamPos;\n\n      var byteWidths = streamState.byteWidths;\n      var typeFieldWidth = byteWidths[0];\n      var offsetFieldWidth = byteWidths[1];\n      var generationFieldWidth = byteWidths[2];\n\n      var entryRanges = streamState.entryRanges;\n      while (entryRanges.length > 0) {\n        var first = entryRanges[0];\n        var n = entryRanges[1];\n\n        if (!Number.isInteger(first) || !Number.isInteger(n)) {\n          throw new FormatError(`Invalid XRef range fields: ${first}, ${n}`);\n        }\n        if (\n          !Number.isInteger(typeFieldWidth) ||\n          !Number.isInteger(offsetFieldWidth) ||\n          !Number.isInteger(generationFieldWidth)\n        ) {\n          throw new FormatError(\n            `Invalid XRef entry fields length: ${first}, ${n}`\n          );\n        }\n        for (i = streamState.entryNum; i < n; ++i) {\n          streamState.entryNum = i;\n          streamState.streamPos = stream.pos;\n\n          var type = 0,\n            offset = 0,\n            generation = 0;\n          for (j = 0; j < typeFieldWidth; ++j) {\n            type = (type << 8) | stream.getByte();\n          }\n          // if type field is absent, its default value is 1\n          if (typeFieldWidth === 0) {\n            type = 1;\n          }\n          for (j = 0; j < offsetFieldWidth; ++j) {\n            offset = (offset << 8) | stream.getByte();\n          }\n          for (j = 0; j < generationFieldWidth; ++j) {\n            generation = (generation << 8) | stream.getByte();\n          }\n          var entry = {};\n          entry.offset = offset;\n          entry.gen = generation;\n          switch (type) {\n            case 0:\n              entry.free = true;\n              break;\n            case 1:\n              entry.uncompressed = true;\n              break;\n            case 2:\n              break;\n            default:\n              throw new FormatError(`Invalid XRef entry type: ${type}`);\n          }\n          if (!this.entries[first + i]) {\n            this.entries[first + i] = entry;\n          }\n        }\n\n        streamState.entryNum = 0;\n        streamState.streamPos = stream.pos;\n        entryRanges.splice(0, 2);\n      }\n    },\n\n    indexObjects: function XRef_indexObjects() {\n      // Simple scan through the PDF content to find objects,\n      // trailers and XRef streams.\n      var TAB = 0x9,\n        LF = 0xa,\n        CR = 0xd,\n        SPACE = 0x20;\n      var PERCENT = 0x25,\n        LT = 0x3c;\n\n      function readToken(data, offset) {\n        var token = \"\",\n          ch = data[offset];\n        while (ch !== LF && ch !== CR && ch !== LT) {\n          if (++offset >= data.length) {\n            break;\n          }\n          token += String.fromCharCode(ch);\n          ch = data[offset];\n        }\n        return token;\n      }\n      function skipUntil(data, offset, what) {\n        var length = what.length,\n          dataLength = data.length;\n        var skipped = 0;\n        // finding byte sequence\n        while (offset < dataLength) {\n          var i = 0;\n          while (i < length && data[offset + i] === what[i]) {\n            ++i;\n          }\n          if (i >= length) {\n            break; // sequence found\n          }\n          offset++;\n          skipped++;\n        }\n        return skipped;\n      }\n      var objRegExp = /^(\\d+)\\s+(\\d+)\\s+obj\\b/;\n      const endobjRegExp = /\\bendobj[\\b\\s]$/;\n      const nestedObjRegExp = /\\s+(\\d+\\s+\\d+\\s+obj[\\b\\s<])$/;\n      const CHECK_CONTENT_LENGTH = 25;\n\n      var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);\n      // prettier-ignore\n      var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114,\n                                           101, 102]);\n      const objBytes = new Uint8Array([111, 98, 106]);\n      var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);\n\n      // Clear out any existing entries, since they may be bogus.\n      this.entries.length = 0;\n\n      var stream = this.stream;\n      stream.pos = 0;\n      var buffer = stream.getBytes();\n      var position = stream.start,\n        length = buffer.length;\n      var trailers = [],\n        xrefStms = [];\n      while (position < length) {\n        var ch = buffer[position];\n        if (ch === TAB || ch === LF || ch === CR || ch === SPACE) {\n          ++position;\n          continue;\n        }\n        if (ch === PERCENT) {\n          // %-comment\n          do {\n            ++position;\n            if (position >= length) {\n              break;\n            }\n            ch = buffer[position];\n          } while (ch !== LF && ch !== CR);\n          continue;\n        }\n        var token = readToken(buffer, position);\n        var m;\n        if (\n          token.startsWith(\"xref\") &&\n          (token.length === 4 || /\\s/.test(token[4]))\n        ) {\n          position += skipUntil(buffer, position, trailerBytes);\n          trailers.push(position);\n          position += skipUntil(buffer, position, startxrefBytes);\n        } else if ((m = objRegExp.exec(token))) {\n          const num = m[1] | 0,\n            gen = m[2] | 0;\n          if (!this.entries[num] || this.entries[num].gen === gen) {\n            this.entries[num] = {\n              offset: position - stream.start,\n              gen,\n              uncompressed: true,\n            };\n          }\n          let contentLength,\n            startPos = position + token.length;\n\n          // Find the next \"obj\" string, rather than \"endobj\", to ensure that\n          // we won't skip over a new 'obj' operator in corrupt files where\n          // 'endobj' operators are missing (fixes issue9105_reduced.pdf).\n          while (startPos < buffer.length) {\n            const endPos = startPos + skipUntil(buffer, startPos, objBytes) + 4;\n            contentLength = endPos - position;\n\n            const checkPos = Math.max(endPos - CHECK_CONTENT_LENGTH, startPos);\n            const tokenStr = bytesToString(buffer.subarray(checkPos, endPos));\n\n            // Check if the current object ends with an 'endobj' operator.\n            if (endobjRegExp.test(tokenStr)) {\n              break;\n            } else {\n              // Check if an \"obj\" occurrence is actually a new object,\n              // i.e. the current object is missing the 'endobj' operator.\n              const objToken = nestedObjRegExp.exec(tokenStr);\n\n              if (objToken && objToken[1]) {\n                warn(\n                  'indexObjects: Found new \"obj\" inside of another \"obj\", ' +\n                    'caused by missing \"endobj\" -- trying to recover.'\n                );\n                contentLength -= objToken[1].length;\n                break;\n              }\n            }\n            startPos = endPos;\n          }\n          const content = buffer.subarray(position, position + contentLength);\n\n          // checking XRef stream suspect\n          // (it shall have '/XRef' and next char is not a letter)\n          var xrefTagOffset = skipUntil(content, 0, xrefBytes);\n          if (\n            xrefTagOffset < contentLength &&\n            content[xrefTagOffset + 5] < 64\n          ) {\n            xrefStms.push(position - stream.start);\n            this.xrefstms[position - stream.start] = 1; // Avoid recursion\n          }\n\n          position += contentLength;\n        } else if (\n          token.startsWith(\"trailer\") &&\n          (token.length === 7 || /\\s/.test(token[7]))\n        ) {\n          trailers.push(position);\n          position += skipUntil(buffer, position, startxrefBytes);\n        } else {\n          position += token.length + 1;\n        }\n      }\n      // reading XRef streams\n      var i, ii;\n      for (i = 0, ii = xrefStms.length; i < ii; ++i) {\n        this.startXRefQueue.push(xrefStms[i]);\n        this.readXRef(/* recoveryMode */ true);\n      }\n      // finding main trailer\n      let trailerDict;\n      for (i = 0, ii = trailers.length; i < ii; ++i) {\n        stream.pos = trailers[i];\n        const parser = new Parser({\n          lexer: new Lexer(stream),\n          xref: this,\n          allowStreams: true,\n          recoveryMode: true,\n        });\n        var obj = parser.getObj();\n        if (!isCmd(obj, \"trailer\")) {\n          continue;\n        }\n        // read the trailer dictionary\n        const dict = parser.getObj();\n        if (!isDict(dict)) {\n          continue;\n        }\n        // Do some basic validation of the trailer/root dictionary candidate.\n        let rootDict;\n        try {\n          rootDict = dict.get(\"Root\");\n        } catch (ex) {\n          if (ex instanceof MissingDataException) {\n            throw ex;\n          }\n          continue;\n        }\n        if (!isDict(rootDict) || !rootDict.has(\"Pages\")) {\n          continue;\n        }\n        // taking the first one with 'ID'\n        if (dict.has(\"ID\")) {\n          return dict;\n        }\n        // The current dictionary is a candidate, but continue searching.\n        trailerDict = dict;\n      }\n      // No trailer with 'ID', taking last one (if exists).\n      if (trailerDict) {\n        return trailerDict;\n      }\n      // nothing helps\n      throw new InvalidPDFException(\"Invalid PDF structure.\");\n    },\n\n    readXRef: function XRef_readXRef(recoveryMode) {\n      var stream = this.stream;\n      // Keep track of already parsed XRef tables, to prevent an infinite loop\n      // when parsing corrupt PDF files where e.g. the /Prev entries create a\n      // circular dependency between tables (fixes bug1393476.pdf).\n      const startXRefParsedCache = Object.create(null);\n\n      try {\n        while (this.startXRefQueue.length) {\n          var startXRef = this.startXRefQueue[0];\n\n          if (startXRefParsedCache[startXRef]) {\n            warn(\"readXRef - skipping XRef table since it was already parsed.\");\n            this.startXRefQueue.shift();\n            continue;\n          }\n          startXRefParsedCache[startXRef] = true;\n\n          stream.pos = startXRef + stream.start;\n\n          const parser = new Parser({\n            lexer: new Lexer(stream),\n            xref: this,\n            allowStreams: true,\n          });\n          var obj = parser.getObj();\n          var dict;\n\n          // Get dictionary\n          if (isCmd(obj, \"xref\")) {\n            // Parse end-of-file XRef\n            dict = this.processXRefTable(parser);\n            if (!this.topDict) {\n              this.topDict = dict;\n            }\n\n            // Recursively get other XRefs 'XRefStm', if any\n            obj = dict.get(\"XRefStm\");\n            if (Number.isInteger(obj)) {\n              var pos = obj;\n              // ignore previously loaded xref streams\n              // (possible infinite recursion)\n              if (!(pos in this.xrefstms)) {\n                this.xrefstms[pos] = 1;\n                this.startXRefQueue.push(pos);\n              }\n            }\n          } else if (Number.isInteger(obj)) {\n            // Parse in-stream XRef\n            if (\n              !Number.isInteger(parser.getObj()) ||\n              !isCmd(parser.getObj(), \"obj\") ||\n              !isStream((obj = parser.getObj()))\n            ) {\n              throw new FormatError(\"Invalid XRef stream\");\n            }\n            dict = this.processXRefStream(obj);\n            if (!this.topDict) {\n              this.topDict = dict;\n            }\n            if (!dict) {\n              throw new FormatError(\"Failed to read XRef stream\");\n            }\n          } else {\n            throw new FormatError(\"Invalid XRef stream header\");\n          }\n\n          // Recursively get previous dictionary, if any\n          obj = dict.get(\"Prev\");\n          if (Number.isInteger(obj)) {\n            this.startXRefQueue.push(obj);\n          } else if (isRef(obj)) {\n            // The spec says Prev must not be a reference, i.e. \"/Prev NNN\"\n            // This is a fallback for non-compliant PDFs, i.e. \"/Prev NNN 0 R\"\n            this.startXRefQueue.push(obj.num);\n          }\n\n          this.startXRefQueue.shift();\n        }\n\n        return this.topDict;\n      } catch (e) {\n        if (e instanceof MissingDataException) {\n          throw e;\n        }\n        info(\"(while reading XRef): \" + e);\n      }\n\n      if (recoveryMode) {\n        return undefined;\n      }\n      throw new XRefParseException();\n    },\n\n    getEntry: function XRef_getEntry(i) {\n      var xrefEntry = this.entries[i];\n      if (xrefEntry && !xrefEntry.free && xrefEntry.offset) {\n        return xrefEntry;\n      }\n      return null;\n    },\n\n    fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) {\n      if (obj instanceof Ref) {\n        return this.fetch(obj, suppressEncryption);\n      }\n      return obj;\n    },\n\n    fetch: function XRef_fetch(ref, suppressEncryption) {\n      if (!(ref instanceof Ref)) {\n        throw new Error(\"ref object is not a reference\");\n      }\n      const num = ref.num;\n\n      // The XRef cache is populated with objects which are obtained through\n      // `Parser.getObj`, and indirectly via `Lexer.getObj`. Neither of these\n      // methods should ever return `undefined` (note the `assert` calls below).\n      const cacheEntry = this._cacheMap.get(num);\n      if (cacheEntry !== undefined) {\n        // In documents with Object Streams, it's possible that cached `Dict`s\n        // have not been assigned an `objId` yet (see e.g. issue3115r.pdf).\n        if (cacheEntry instanceof Dict && !cacheEntry.objId) {\n          cacheEntry.objId = ref.toString();\n        }\n        return cacheEntry;\n      }\n      let xrefEntry = this.getEntry(num);\n\n      if (xrefEntry === null) {\n        // The referenced entry can be free.\n        this._cacheMap.set(num, xrefEntry);\n        return xrefEntry;\n      }\n\n      if (xrefEntry.uncompressed) {\n        xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption);\n      } else {\n        xrefEntry = this.fetchCompressed(ref, xrefEntry, suppressEncryption);\n      }\n      if (isDict(xrefEntry)) {\n        xrefEntry.objId = ref.toString();\n      } else if (isStream(xrefEntry)) {\n        xrefEntry.dict.objId = ref.toString();\n      }\n      return xrefEntry;\n    },\n\n    fetchUncompressed(ref, xrefEntry, suppressEncryption = false) {\n      var gen = ref.gen;\n      var num = ref.num;\n      if (xrefEntry.gen !== gen) {\n        throw new XRefEntryException(`Inconsistent generation in XRef: ${ref}`);\n      }\n      var stream = this.stream.makeSubStream(\n        xrefEntry.offset + this.stream.start\n      );\n      const parser = new Parser({\n        lexer: new Lexer(stream),\n        xref: this,\n        allowStreams: true,\n      });\n      var obj1 = parser.getObj();\n      var obj2 = parser.getObj();\n      var obj3 = parser.getObj();\n\n      if (obj1 !== num || obj2 !== gen || !(obj3 instanceof Cmd)) {\n        throw new XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);\n      }\n      if (obj3.cmd !== \"obj\") {\n        // some bad PDFs use \"obj1234\" and really mean 1234\n        if (obj3.cmd.startsWith(\"obj\")) {\n          num = parseInt(obj3.cmd.substring(3), 10);\n          if (!Number.isNaN(num)) {\n            return num;\n          }\n        }\n        throw new XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);\n      }\n      if (this.encrypt && !suppressEncryption) {\n        xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen));\n      } else {\n        xrefEntry = parser.getObj();\n      }\n      if (!isStream(xrefEntry)) {\n        if (\n          typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")\n        ) {\n          assert(\n            xrefEntry !== undefined,\n            'fetchUncompressed: The \"xrefEntry\" cannot be undefined.'\n          );\n        }\n        this._cacheMap.set(num, xrefEntry);\n      }\n      return xrefEntry;\n    },\n\n    fetchCompressed(ref, xrefEntry, suppressEncryption = false) {\n      const tableOffset = xrefEntry.offset;\n      const stream = this.fetch(Ref.get(tableOffset, 0));\n      if (!isStream(stream)) {\n        throw new FormatError(\"bad ObjStm stream\");\n      }\n      const first = stream.dict.get(\"First\");\n      const n = stream.dict.get(\"N\");\n      if (!Number.isInteger(first) || !Number.isInteger(n)) {\n        throw new FormatError(\n          \"invalid first and n parameters for ObjStm stream\"\n        );\n      }\n      const parser = new Parser({\n        lexer: new Lexer(stream),\n        xref: this,\n        allowStreams: true,\n      });\n      const nums = new Array(n);\n      // read the object numbers to populate cache\n      for (let i = 0; i < n; ++i) {\n        const num = parser.getObj();\n        if (!Number.isInteger(num)) {\n          throw new FormatError(\n            `invalid object number in the ObjStm stream: ${num}`\n          );\n        }\n        const offset = parser.getObj();\n        if (!Number.isInteger(offset)) {\n          throw new FormatError(\n            `invalid object offset in the ObjStm stream: ${offset}`\n          );\n        }\n        nums[i] = num;\n      }\n      const entries = new Array(n);\n      // read stream objects for cache\n      for (let i = 0; i < n; ++i) {\n        const obj = parser.getObj();\n        entries[i] = obj;\n        // The ObjStm should not contain 'endobj'. If it's present, skip over it\n        // to support corrupt PDFs (fixes issue 5241, bug 898610, bug 1037816).\n        if (parser.buf1 instanceof Cmd && parser.buf1.cmd === \"endobj\") {\n          parser.shift();\n        }\n        if (isStream(obj)) {\n          continue;\n        }\n        const num = nums[i],\n          entry = this.entries[num];\n        if (entry && entry.offset === tableOffset && entry.gen === i) {\n          if (\n            typeof PDFJSDev === \"undefined\" ||\n            PDFJSDev.test(\"!PRODUCTION || TESTING\")\n          ) {\n            assert(\n              obj !== undefined,\n              'fetchCompressed: The \"obj\" cannot be undefined.'\n            );\n          }\n          this._cacheMap.set(num, obj);\n        }\n      }\n      xrefEntry = entries[xrefEntry.gen];\n      if (xrefEntry === undefined) {\n        throw new XRefEntryException(`Bad (compressed) XRef entry: ${ref}`);\n      }\n      return xrefEntry;\n    },\n\n    async fetchIfRefAsync(obj, suppressEncryption) {\n      if (obj instanceof Ref) {\n        return this.fetchAsync(obj, suppressEncryption);\n      }\n      return obj;\n    },\n\n    async fetchAsync(ref, suppressEncryption) {\n      try {\n        return this.fetch(ref, suppressEncryption);\n      } catch (ex) {\n        if (!(ex instanceof MissingDataException)) {\n          throw ex;\n        }\n        await this.pdfManager.requestRange(ex.begin, ex.end);\n        return this.fetchAsync(ref, suppressEncryption);\n      }\n    },\n\n    getCatalogObj: function XRef_getCatalogObj() {\n      return this.root;\n    },\n  };\n\n  return XRef;\n})();\n\n/**\n * A NameTree/NumberTree is like a Dict but has some advantageous properties,\n * see the specification (7.9.6 and 7.9.7) for additional details.\n * TODO: implement all the Dict functions and make this more efficient.\n */\nclass NameOrNumberTree {\n  constructor(root, xref, type) {\n    if (this.constructor === NameOrNumberTree) {\n      unreachable(\"Cannot initialize NameOrNumberTree.\");\n    }\n    this.root = root;\n    this.xref = xref;\n    this._type = type;\n  }\n\n  getAll() {\n    const dict = Object.create(null);\n    if (!this.root) {\n      return dict;\n    }\n    const xref = this.xref;\n    // Reading Name/Number tree.\n    const processed = new RefSet();\n    processed.put(this.root);\n    const queue = [this.root];\n    while (queue.length > 0) {\n      const obj = xref.fetchIfRef(queue.shift());\n      if (!isDict(obj)) {\n        continue;\n      }\n      if (obj.has(\"Kids\")) {\n        const kids = obj.get(\"Kids\");\n        for (let i = 0, ii = kids.length; i < ii; i++) {\n          const kid = kids[i];\n          if (processed.has(kid)) {\n            throw new FormatError(`Duplicate entry in \"${this._type}\" tree.`);\n          }\n          queue.push(kid);\n          processed.put(kid);\n        }\n        continue;\n      }\n      const entries = obj.get(this._type);\n      if (Array.isArray(entries)) {\n        for (let i = 0, ii = entries.length; i < ii; i += 2) {\n          dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]);\n        }\n      }\n    }\n    return dict;\n  }\n\n  get(key) {\n    if (!this.root) {\n      return null;\n    }\n    const xref = this.xref;\n    let kidsOrEntries = xref.fetchIfRef(this.root);\n    let loopCount = 0;\n    const MAX_LEVELS = 10;\n\n    // Perform a binary search to quickly find the entry that\n    // contains the key we are looking for.\n    while (kidsOrEntries.has(\"Kids\")) {\n      if (++loopCount > MAX_LEVELS) {\n        warn(`Search depth limit reached for \"${this._type}\" tree.`);\n        return null;\n      }\n\n      const kids = kidsOrEntries.get(\"Kids\");\n      if (!Array.isArray(kids)) {\n        return null;\n      }\n\n      let l = 0,\n        r = kids.length - 1;\n      while (l <= r) {\n        const m = (l + r) >> 1;\n        const kid = xref.fetchIfRef(kids[m]);\n        const limits = kid.get(\"Limits\");\n\n        if (key < xref.fetchIfRef(limits[0])) {\n          r = m - 1;\n        } else if (key > xref.fetchIfRef(limits[1])) {\n          l = m + 1;\n        } else {\n          kidsOrEntries = xref.fetchIfRef(kids[m]);\n          break;\n        }\n      }\n      if (l > r) {\n        return null;\n      }\n    }\n\n    // If we get here, then we have found the right entry. Now go through the\n    // entries in the dictionary until we find the key we're looking for.\n    const entries = kidsOrEntries.get(this._type);\n    if (Array.isArray(entries)) {\n      // Perform a binary search to reduce the lookup time.\n      let l = 0,\n        r = entries.length - 2;\n      while (l <= r) {\n        // Check only even indices (0, 2, 4, ...) because the\n        // odd indices contain the actual data.\n        const tmp = (l + r) >> 1,\n          m = tmp + (tmp & 1);\n        const currentKey = xref.fetchIfRef(entries[m]);\n        if (key < currentKey) {\n          r = m - 2;\n        } else if (key > currentKey) {\n          l = m + 2;\n        } else {\n          return xref.fetchIfRef(entries[m + 1]);\n        }\n      }\n\n      // Fallback to an exhaustive search, in an attempt to handle corrupt\n      // PDF files where keys are not correctly ordered (fixes issue 10272).\n      info(\n        `Falling back to an exhaustive search, for key \"${key}\", ` +\n          `in \"${this._type}\" tree.`\n      );\n      for (let m = 0, mm = entries.length; m < mm; m += 2) {\n        const currentKey = xref.fetchIfRef(entries[m]);\n        if (currentKey === key) {\n          warn(\n            `The \"${key}\" key was found at an incorrect, ` +\n              `i.e. out-of-order, position in \"${this._type}\" tree.`\n          );\n          return xref.fetchIfRef(entries[m + 1]);\n        }\n      }\n    }\n    return null;\n  }\n}\n\nclass NameTree extends NameOrNumberTree {\n  constructor(root, xref) {\n    super(root, xref, \"Names\");\n  }\n}\n\nclass NumberTree extends NameOrNumberTree {\n  constructor(root, xref) {\n    super(root, xref, \"Nums\");\n  }\n}\n\n/**\n * \"A PDF file can refer to the contents of another file by using a File\n * Specification (PDF 1.1)\", see the spec (7.11) for more details.\n * NOTE: Only embedded files are supported (as part of the attachments support)\n * TODO: support the 'URL' file system (with caching if !/V), portable\n * collections attributes and related files (/RF)\n */\nvar FileSpec = (function FileSpecClosure() {\n  // eslint-disable-next-line no-shadow\n  function FileSpec(root, xref) {\n    if (!root || !isDict(root)) {\n      return;\n    }\n    this.xref = xref;\n    this.root = root;\n    if (root.has(\"FS\")) {\n      this.fs = root.get(\"FS\");\n    }\n    this.description = root.has(\"Desc\")\n      ? stringToPDFString(root.get(\"Desc\"))\n      : \"\";\n    if (root.has(\"RF\")) {\n      warn(\"Related file specifications are not supported\");\n    }\n    this.contentAvailable = true;\n    if (!root.has(\"EF\")) {\n      this.contentAvailable = false;\n      warn(\"Non-embedded file specifications are not supported\");\n    }\n  }\n\n  function pickPlatformItem(dict) {\n    // Look for the filename in this order:\n    // UF, F, Unix, Mac, DOS\n    if (dict.has(\"UF\")) {\n      return dict.get(\"UF\");\n    } else if (dict.has(\"F\")) {\n      return dict.get(\"F\");\n    } else if (dict.has(\"Unix\")) {\n      return dict.get(\"Unix\");\n    } else if (dict.has(\"Mac\")) {\n      return dict.get(\"Mac\");\n    } else if (dict.has(\"DOS\")) {\n      return dict.get(\"DOS\");\n    }\n    return null;\n  }\n\n  FileSpec.prototype = {\n    get filename() {\n      if (!this._filename && this.root) {\n        var filename = pickPlatformItem(this.root) || \"unnamed\";\n        this._filename = stringToPDFString(filename)\n          .replace(/\\\\\\\\/g, \"\\\\\")\n          .replace(/\\\\\\//g, \"/\")\n          .replace(/\\\\/g, \"/\");\n      }\n      return this._filename;\n    },\n    get content() {\n      if (!this.contentAvailable) {\n        return null;\n      }\n      if (!this.contentRef && this.root) {\n        this.contentRef = pickPlatformItem(this.root.get(\"EF\"));\n      }\n      var content = null;\n      if (this.contentRef) {\n        var xref = this.xref;\n        var fileObj = xref.fetchIfRef(this.contentRef);\n        if (fileObj && isStream(fileObj)) {\n          content = fileObj.getBytes();\n        } else {\n          warn(\n            \"Embedded file specification points to non-existing/invalid \" +\n              \"content\"\n          );\n        }\n      } else {\n        warn(\"Embedded file specification does not have a content\");\n      }\n      return content;\n    },\n    get serializable() {\n      return {\n        filename: this.filename,\n        content: this.content,\n      };\n    },\n  };\n  return FileSpec;\n})();\n\n/**\n * A helper for loading missing data in `Dict` graphs. It traverses the graph\n * depth first and queues up any objects that have missing data. Once it has\n * has traversed as many objects that are available it attempts to bundle the\n * missing data requests and then resume from the nodes that weren't ready.\n *\n * NOTE: It provides protection from circular references by keeping track of\n * loaded references. However, you must be careful not to load any graphs\n * that have references to the catalog or other pages since that will cause the\n * entire PDF document object graph to be traversed.\n */\nconst ObjectLoader = (function () {\n  function mayHaveChildren(value) {\n    return (\n      value instanceof Ref ||\n      value instanceof Dict ||\n      Array.isArray(value) ||\n      isStream(value)\n    );\n  }\n\n  function addChildren(node, nodesToVisit) {\n    if (node instanceof Dict) {\n      node = node.getRawValues();\n    } else if (isStream(node)) {\n      node = node.dict.getRawValues();\n    } else if (!Array.isArray(node)) {\n      return;\n    }\n    for (const rawValue of node) {\n      if (mayHaveChildren(rawValue)) {\n        nodesToVisit.push(rawValue);\n      }\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function ObjectLoader(dict, keys, xref) {\n    this.dict = dict;\n    this.keys = keys;\n    this.xref = xref;\n    this.refSet = null;\n  }\n\n  ObjectLoader.prototype = {\n    async load() {\n      // Don't walk the graph if all the data is already loaded; note that only\n      // `ChunkedStream` instances have a `allChunksLoaded` method.\n      if (\n        !this.xref.stream.allChunksLoaded ||\n        this.xref.stream.allChunksLoaded()\n      ) {\n        return undefined;\n      }\n\n      const { keys, dict } = this;\n      this.refSet = new RefSet();\n      // Setup the initial nodes to visit.\n      const nodesToVisit = [];\n      for (let i = 0, ii = keys.length; i < ii; i++) {\n        const rawValue = dict.getRaw(keys[i]);\n        // Skip nodes that are guaranteed to be empty.\n        if (rawValue !== undefined) {\n          nodesToVisit.push(rawValue);\n        }\n      }\n      return this._walk(nodesToVisit);\n    },\n\n    async _walk(nodesToVisit) {\n      const nodesToRevisit = [];\n      const pendingRequests = [];\n      // DFS walk of the object graph.\n      while (nodesToVisit.length) {\n        let currentNode = nodesToVisit.pop();\n\n        // Only references or chunked streams can cause missing data exceptions.\n        if (currentNode instanceof Ref) {\n          // Skip nodes that have already been visited.\n          if (this.refSet.has(currentNode)) {\n            continue;\n          }\n          try {\n            this.refSet.put(currentNode);\n            currentNode = this.xref.fetch(currentNode);\n          } catch (ex) {\n            if (!(ex instanceof MissingDataException)) {\n              throw ex;\n            }\n            nodesToRevisit.push(currentNode);\n            pendingRequests.push({ begin: ex.begin, end: ex.end });\n          }\n        }\n        if (currentNode && currentNode.getBaseStreams) {\n          const baseStreams = currentNode.getBaseStreams();\n          let foundMissingData = false;\n          for (let i = 0, ii = baseStreams.length; i < ii; i++) {\n            const stream = baseStreams[i];\n            if (stream.allChunksLoaded && !stream.allChunksLoaded()) {\n              foundMissingData = true;\n              pendingRequests.push({ begin: stream.start, end: stream.end });\n            }\n          }\n          if (foundMissingData) {\n            nodesToRevisit.push(currentNode);\n          }\n        }\n\n        addChildren(currentNode, nodesToVisit);\n      }\n\n      if (pendingRequests.length) {\n        await this.xref.stream.manager.requestRanges(pendingRequests);\n\n        for (let i = 0, ii = nodesToRevisit.length; i < ii; i++) {\n          const node = nodesToRevisit[i];\n          // Remove any reference nodes from the current `RefSet` so they\n          // aren't skipped when we revist them.\n          if (node instanceof Ref) {\n            this.refSet.remove(node);\n          }\n        }\n        return this._walk(nodesToRevisit);\n      }\n      // Everything is loaded.\n      this.refSet = null;\n      return undefined;\n    },\n  };\n\n  return ObjectLoader;\n})();\n\nexport { Catalog, ObjectLoader, XRef, FileSpec };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  Ascii85Stream,\n  AsciiHexStream,\n  FlateStream,\n  LZWStream,\n  NullStream,\n  PredictorStream,\n  RunLengthStream,\n} from \"./stream.js\";\nimport {\n  assert,\n  bytesToString,\n  FormatError,\n  info,\n  isNum,\n  StreamType,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  Cmd,\n  Dict,\n  EOF,\n  isCmd,\n  isDict,\n  isEOF,\n  isName,\n  Name,\n  Ref,\n} from \"./primitives.js\";\nimport { isWhiteSpace, MissingDataException } from \"./core_utils.js\";\nimport { CCITTFaxStream } from \"./ccitt_stream.js\";\nimport { Jbig2Stream } from \"./jbig2_stream.js\";\nimport { JpegStream } from \"./jpeg_stream.js\";\nimport { JpxStream } from \"./jpx_stream.js\";\n\nconst MAX_LENGTH_TO_CACHE = 1000;\nconst MAX_ADLER32_LENGTH = 5552;\n\nfunction computeAdler32(bytes) {\n  const bytesLength = bytes.length;\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      bytesLength < MAX_ADLER32_LENGTH,\n      'computeAdler32: Unsupported \"bytes\" length.'\n    );\n  }\n  let a = 1,\n    b = 0;\n  for (let i = 0; i < bytesLength; ++i) {\n    // No modulo required in the loop if `bytesLength < 5552`.\n    a += bytes[i] & 0xff;\n    b += a;\n  }\n  return (b % 65521 << 16) | a % 65521;\n}\n\nclass Parser {\n  constructor({ lexer, xref, allowStreams = false, recoveryMode = false }) {\n    this.lexer = lexer;\n    this.xref = xref;\n    this.allowStreams = allowStreams;\n    this.recoveryMode = recoveryMode;\n\n    this.imageCache = Object.create(null);\n    this.refill();\n  }\n\n  refill() {\n    this.buf1 = this.lexer.getObj();\n    this.buf2 = this.lexer.getObj();\n  }\n\n  shift() {\n    if (this.buf2 instanceof Cmd && this.buf2.cmd === \"ID\") {\n      this.buf1 = this.buf2;\n      this.buf2 = null;\n    } else {\n      this.buf1 = this.buf2;\n      this.buf2 = this.lexer.getObj();\n    }\n  }\n\n  tryShift() {\n    try {\n      this.shift();\n      return true;\n    } catch (e) {\n      if (e instanceof MissingDataException) {\n        throw e;\n      }\n      // Upon failure, the caller should reset this.lexer.pos to a known good\n      // state and call this.shift() twice to reset the buffers.\n      return false;\n    }\n  }\n\n  getObj(cipherTransform = null) {\n    const buf1 = this.buf1;\n    this.shift();\n\n    if (buf1 instanceof Cmd) {\n      switch (buf1.cmd) {\n        case \"BI\": // inline image\n          return this.makeInlineImage(cipherTransform);\n        case \"[\": // array\n          const array = [];\n          while (!isCmd(this.buf1, \"]\") && !isEOF(this.buf1)) {\n            array.push(this.getObj(cipherTransform));\n          }\n          if (isEOF(this.buf1)) {\n            if (!this.recoveryMode) {\n              throw new FormatError(\"End of file inside array\");\n            }\n            return array;\n          }\n          this.shift();\n          return array;\n        case \"<<\": // dictionary or stream\n          const dict = new Dict(this.xref);\n          while (!isCmd(this.buf1, \">>\") && !isEOF(this.buf1)) {\n            if (!isName(this.buf1)) {\n              info(\"Malformed dictionary: key must be a name object\");\n              this.shift();\n              continue;\n            }\n\n            const key = this.buf1.name;\n            this.shift();\n            if (isEOF(this.buf1)) {\n              break;\n            }\n            dict.set(key, this.getObj(cipherTransform));\n          }\n          if (isEOF(this.buf1)) {\n            if (!this.recoveryMode) {\n              throw new FormatError(\"End of file inside dictionary\");\n            }\n            return dict;\n          }\n\n          // Stream objects are not allowed inside content streams or\n          // object streams.\n          if (isCmd(this.buf2, \"stream\")) {\n            return this.allowStreams\n              ? this.makeStream(dict, cipherTransform)\n              : dict;\n          }\n          this.shift();\n          return dict;\n        default:\n          // simple object\n          return buf1;\n      }\n    }\n\n    if (Number.isInteger(buf1)) {\n      // indirect reference or integer\n      if (Number.isInteger(this.buf1) && isCmd(this.buf2, \"R\")) {\n        const ref = Ref.get(buf1, this.buf1);\n        this.shift();\n        this.shift();\n        return ref;\n      }\n      return buf1;\n    }\n\n    if (typeof buf1 === \"string\") {\n      if (cipherTransform) {\n        return cipherTransform.decryptString(buf1);\n      }\n      return buf1;\n    }\n\n    // simple object\n    return buf1;\n  }\n\n  /**\n   * Find the end of the stream by searching for the /EI\\s/.\n   * @returns {number} The inline stream length.\n   */\n  findDefaultInlineStreamEnd(stream) {\n    const E = 0x45,\n      I = 0x49,\n      SPACE = 0x20,\n      LF = 0xa,\n      CR = 0xd,\n      NUL = 0x0;\n    const lexer = this.lexer,\n      startPos = stream.pos,\n      n = 10;\n    let state = 0,\n      ch,\n      maybeEIPos;\n    while ((ch = stream.getByte()) !== -1) {\n      if (state === 0) {\n        state = ch === E ? 1 : 0;\n      } else if (state === 1) {\n        state = ch === I ? 2 : 0;\n      } else {\n        assert(state === 2, \"findDefaultInlineStreamEnd - invalid state.\");\n        if (ch === SPACE || ch === LF || ch === CR) {\n          maybeEIPos = stream.pos;\n          // Let's check that the next `n` bytes are ASCII... just to be sure.\n          const followingBytes = stream.peekBytes(n);\n          for (let i = 0, ii = followingBytes.length; i < ii; i++) {\n            ch = followingBytes[i];\n            if (ch === NUL && followingBytes[i + 1] !== NUL) {\n              // NUL bytes are not supposed to occur *outside* of inline\n              // images, but some PDF generators violate that assumption,\n              // thus breaking the EI detection heuristics used below.\n              //\n              // However, we can't unconditionally treat NUL bytes as \"ASCII\",\n              // since that *could* result in inline images being truncated.\n              //\n              // To attempt to address this, we'll still treat any *sequence*\n              // of NUL bytes as non-ASCII, but for a *single* NUL byte we'll\n              // continue checking the `followingBytes` (fixes issue8823.pdf).\n              continue;\n            }\n            if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7f)) {\n              // Not a LF, CR, SPACE or any visible ASCII character, i.e.\n              // it's binary stuff. Resetting the state.\n              state = 0;\n              break;\n            }\n          }\n\n          if (state !== 2) {\n            continue;\n          }\n          // Check that the \"EI\" sequence isn't part of the image data, since\n          // that would cause the image to be truncated (fixes issue11124.pdf).\n          if (lexer.knownCommands) {\n            const nextObj = lexer.peekObj();\n            if (nextObj instanceof Cmd && !lexer.knownCommands[nextObj.cmd]) {\n              // Not a valid command, i.e. the inline image data *itself*\n              // contains an \"EI\" sequence. Resetting the state.\n              state = 0;\n            }\n          } else {\n            warn(\n              \"findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.\"\n            );\n          }\n\n          if (state === 2) {\n            break; // Finished!\n          }\n        } else {\n          state = 0;\n        }\n      }\n    }\n\n    if (ch === -1) {\n      warn(\n        \"findDefaultInlineStreamEnd: \" +\n          \"Reached the end of the stream without finding a valid EI marker\"\n      );\n      if (maybeEIPos) {\n        warn('... trying to recover by using the last \"EI\" occurrence.');\n        stream.skip(-(stream.pos - maybeEIPos)); // Reset the stream position.\n      }\n    }\n\n    let endOffset = 4;\n    stream.skip(-endOffset); // Set the stream position to just before \"EI\".\n    ch = stream.peekByte();\n    stream.skip(endOffset); // ... and remember to reset the stream position.\n\n    // Ensure that we don't accidentally truncate the inline image, when the\n    // data is immediately followed by the \"EI\" marker (fixes issue10388.pdf).\n    if (!isWhiteSpace(ch)) {\n      endOffset--;\n    }\n    return stream.pos - endOffset - startPos;\n  }\n\n  /**\n   * Find the EOI (end-of-image) marker 0xFFD9 of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findDCTDecodeInlineStreamEnd(stream) {\n    const startPos = stream.pos;\n    let foundEOI = false,\n      b,\n      markerLength;\n    while ((b = stream.getByte()) !== -1) {\n      if (b !== 0xff) {\n        // Not a valid marker.\n        continue;\n      }\n      switch (stream.getByte()) {\n        case 0x00: // Byte stuffing.\n          // 0xFF00 appears to be a very common byte sequence in JPEG images.\n          break;\n\n        case 0xff: // Fill byte.\n          // Avoid skipping a valid marker, resetting the stream position.\n          stream.skip(-1);\n          break;\n\n        case 0xd9: // EOI\n          foundEOI = true;\n          break;\n\n        case 0xc0: // SOF0\n        case 0xc1: // SOF1\n        case 0xc2: // SOF2\n        case 0xc3: // SOF3\n        /* falls through */\n        case 0xc5: // SOF5\n        case 0xc6: // SOF6\n        case 0xc7: // SOF7\n        /* falls through */\n        case 0xc9: // SOF9\n        case 0xca: // SOF10\n        case 0xcb: // SOF11\n        /* falls through */\n        case 0xcd: // SOF13\n        case 0xce: // SOF14\n        case 0xcf: // SOF15\n        /* falls through */\n        case 0xc4: // DHT\n        case 0xcc: // DAC\n        /* falls through */\n        case 0xda: // SOS\n        case 0xdb: // DQT\n        case 0xdc: // DNL\n        case 0xdd: // DRI\n        case 0xde: // DHP\n        case 0xdf: // EXP\n        /* falls through */\n        case 0xe0: // APP0\n        case 0xe1: // APP1\n        case 0xe2: // APP2\n        case 0xe3: // APP3\n        case 0xe4: // APP4\n        case 0xe5: // APP5\n        case 0xe6: // APP6\n        case 0xe7: // APP7\n        case 0xe8: // APP8\n        case 0xe9: // APP9\n        case 0xea: // APP10\n        case 0xeb: // APP11\n        case 0xec: // APP12\n        case 0xed: // APP13\n        case 0xee: // APP14\n        case 0xef: // APP15\n        /* falls through */\n        case 0xfe: // COM\n          // The marker should be followed by the length of the segment.\n          markerLength = stream.getUint16();\n          if (markerLength > 2) {\n            // |markerLength| contains the byte length of the marker segment,\n            // including its own length (2 bytes) and excluding the marker.\n            stream.skip(markerLength - 2); // Jump to the next marker.\n          } else {\n            // The marker length is invalid, resetting the stream position.\n            stream.skip(-2);\n          }\n          break;\n      }\n      if (foundEOI) {\n        break;\n      }\n    }\n    const length = stream.pos - startPos;\n    if (b === -1) {\n      warn(\n        \"Inline DCTDecode image stream: \" +\n          \"EOI marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findASCII85DecodeInlineStreamEnd(stream) {\n    const TILDE = 0x7e,\n      GT = 0x3e;\n    const startPos = stream.pos;\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (ch === TILDE) {\n        const tildePos = stream.pos;\n\n        ch = stream.peekByte();\n        // Handle corrupt PDF documents which contains whitespace \"inside\" of\n        // the EOD marker (fixes issue10614.pdf).\n        while (isWhiteSpace(ch)) {\n          stream.skip();\n          ch = stream.peekByte();\n        }\n        if (ch === GT) {\n          stream.skip();\n          break;\n        }\n        // Handle corrupt PDF documents which contains truncated EOD markers,\n        // where the '>' character is missing (fixes issue11385.pdf).\n        if (stream.pos > tildePos) {\n          const maybeEI = stream.peekBytes(2);\n          if (maybeEI[0] === /* E = */ 0x45 && maybeEI[1] === /* I = */ 0x49) {\n            break;\n          }\n        }\n      }\n    }\n    const length = stream.pos - startPos;\n    if (ch === -1) {\n      warn(\n        \"Inline ASCII85Decode image stream: \" +\n          \"EOD marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findASCIIHexDecodeInlineStreamEnd(stream) {\n    const GT = 0x3e;\n    const startPos = stream.pos;\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (ch === GT) {\n        break;\n      }\n    }\n    const length = stream.pos - startPos;\n    if (ch === -1) {\n      warn(\n        \"Inline ASCIIHexDecode image stream: \" +\n          \"EOD marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Skip over the /EI/ for streams where we search for an EOD marker.\n   */\n  inlineStreamSkipEI(stream) {\n    const E = 0x45,\n      I = 0x49;\n    let state = 0,\n      ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (state === 0) {\n        state = ch === E ? 1 : 0;\n      } else if (state === 1) {\n        state = ch === I ? 2 : 0;\n      } else if (state === 2) {\n        break;\n      }\n    }\n  }\n\n  makeInlineImage(cipherTransform) {\n    const lexer = this.lexer;\n    const stream = lexer.stream;\n\n    // Parse dictionary.\n    const dict = new Dict(this.xref);\n    let dictLength;\n    while (!isCmd(this.buf1, \"ID\") && !isEOF(this.buf1)) {\n      if (!isName(this.buf1)) {\n        throw new FormatError(\"Dictionary key must be a name object\");\n      }\n      const key = this.buf1.name;\n      this.shift();\n      if (isEOF(this.buf1)) {\n        break;\n      }\n      dict.set(key, this.getObj(cipherTransform));\n    }\n    if (lexer.beginInlineImagePos !== -1) {\n      dictLength = stream.pos - lexer.beginInlineImagePos;\n    }\n\n    // Extract the name of the first (i.e. the current) image filter.\n    const filter = dict.get(\"Filter\", \"F\");\n    let filterName;\n    if (isName(filter)) {\n      filterName = filter.name;\n    } else if (Array.isArray(filter)) {\n      const filterZero = this.xref.fetchIfRef(filter[0]);\n      if (isName(filterZero)) {\n        filterName = filterZero.name;\n      }\n    }\n\n    // Parse image stream.\n    const startPos = stream.pos;\n    let length;\n    if (filterName === \"DCTDecode\" || filterName === \"DCT\") {\n      length = this.findDCTDecodeInlineStreamEnd(stream);\n    } else if (filterName === \"ASCII85Decode\" || filterName === \"A85\") {\n      length = this.findASCII85DecodeInlineStreamEnd(stream);\n    } else if (filterName === \"ASCIIHexDecode\" || filterName === \"AHx\") {\n      length = this.findASCIIHexDecodeInlineStreamEnd(stream);\n    } else {\n      length = this.findDefaultInlineStreamEnd(stream);\n    }\n    let imageStream = stream.makeSubStream(startPos, length, dict);\n\n    // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their\n    // adler32 checksum.\n    let cacheKey;\n    if (length < MAX_LENGTH_TO_CACHE && dictLength < MAX_ADLER32_LENGTH) {\n      const imageBytes = imageStream.getBytes();\n      imageStream.reset();\n\n      const initialStreamPos = stream.pos;\n      // Set the stream position to the beginning of the dictionary data...\n      stream.pos = lexer.beginInlineImagePos;\n      // ... and fetch the bytes of the *entire* dictionary.\n      const dictBytes = stream.getBytes(dictLength);\n      // Finally, don't forget to reset the stream position.\n      stream.pos = initialStreamPos;\n\n      cacheKey = computeAdler32(imageBytes) + \"_\" + computeAdler32(dictBytes);\n\n      const cacheEntry = this.imageCache[cacheKey];\n      if (cacheEntry !== undefined) {\n        this.buf2 = Cmd.get(\"EI\");\n        this.shift();\n\n        cacheEntry.reset();\n        return cacheEntry;\n      }\n    }\n\n    if (cipherTransform) {\n      imageStream = cipherTransform.createStream(imageStream, length);\n    }\n\n    imageStream = this.filter(imageStream, dict, length);\n    imageStream.dict = dict;\n    if (cacheKey !== undefined) {\n      imageStream.cacheKey = `inline_${length}_${cacheKey}`;\n      this.imageCache[cacheKey] = imageStream;\n    }\n\n    this.buf2 = Cmd.get(\"EI\");\n    this.shift();\n\n    return imageStream;\n  }\n\n  _findStreamLength(startPos, signature) {\n    const { stream } = this.lexer;\n    stream.pos = startPos;\n\n    const SCAN_BLOCK_LENGTH = 2048;\n    const signatureLength = signature.length;\n\n    while (stream.pos < stream.end) {\n      const scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);\n      const scanLength = scanBytes.length - signatureLength;\n\n      if (scanLength <= 0) {\n        break;\n      }\n      let pos = 0;\n      while (pos < scanLength) {\n        let j = 0;\n        while (j < signatureLength && scanBytes[pos + j] === signature[j]) {\n          j++;\n        }\n        if (j >= signatureLength) {\n          // `signature` found.\n          stream.pos += pos;\n          return stream.pos - startPos;\n        }\n        pos++;\n      }\n      stream.pos += scanLength;\n    }\n    return -1;\n  }\n\n  makeStream(dict, cipherTransform) {\n    const lexer = this.lexer;\n    let stream = lexer.stream;\n\n    // Get the stream's start position.\n    lexer.skipToNextLine();\n    const startPos = stream.pos - 1;\n\n    // Get the length.\n    let length = dict.get(\"Length\");\n    if (!Number.isInteger(length)) {\n      info(`Bad length \"${length}\" in stream`);\n      length = 0;\n    }\n\n    // Skip over the stream data.\n    stream.pos = startPos + length;\n    lexer.nextChar();\n\n    // Shift '>>' and check whether the new object marks the end of the stream.\n    if (this.tryShift() && isCmd(this.buf2, \"endstream\")) {\n      this.shift(); // 'stream'\n    } else {\n      // Bad stream length, scanning for endstream command.\n      // prettier-ignore\n      const ENDSTREAM_SIGNATURE = new Uint8Array([\n        0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D]);\n      let actualLength = this._findStreamLength(startPos, ENDSTREAM_SIGNATURE);\n      if (actualLength < 0) {\n        // Only allow limited truncation of the endstream signature,\n        // to prevent false positives.\n        const MAX_TRUNCATION = 1;\n        // Check if the PDF generator included truncated endstream commands,\n        // such as e.g. \"endstrea\" (fixes issue10004.pdf).\n        for (let i = 1; i <= MAX_TRUNCATION; i++) {\n          const end = ENDSTREAM_SIGNATURE.length - i;\n          const TRUNCATED_SIGNATURE = ENDSTREAM_SIGNATURE.slice(0, end);\n\n          const maybeLength = this._findStreamLength(\n            startPos,\n            TRUNCATED_SIGNATURE\n          );\n          if (maybeLength >= 0) {\n            // Ensure that the byte immediately following the truncated\n            // endstream command is a space, to prevent false positives.\n            const lastByte = stream.peekBytes(end + 1)[end];\n            if (!isWhiteSpace(lastByte)) {\n              break;\n            }\n            info(\n              `Found \"${bytesToString(TRUNCATED_SIGNATURE)}\" when ` +\n                \"searching for endstream command.\"\n            );\n            actualLength = maybeLength;\n            break;\n          }\n        }\n\n        if (actualLength < 0) {\n          throw new FormatError(\"Missing endstream command.\");\n        }\n      }\n      length = actualLength;\n\n      lexer.nextChar();\n      this.shift();\n      this.shift();\n    }\n    this.shift(); // 'endstream'\n\n    stream = stream.makeSubStream(startPos, length, dict);\n    if (cipherTransform) {\n      stream = cipherTransform.createStream(stream, length);\n    }\n    stream = this.filter(stream, dict, length);\n    stream.dict = dict;\n    return stream;\n  }\n\n  filter(stream, dict, length) {\n    let filter = dict.get(\"Filter\", \"F\");\n    let params = dict.get(\"DecodeParms\", \"DP\");\n\n    if (isName(filter)) {\n      if (Array.isArray(params)) {\n        warn(\n          \"/DecodeParms should not contain an Array, \" +\n            \"when /Filter contains a Name.\"\n        );\n      }\n      return this.makeFilter(stream, filter.name, length, params);\n    }\n\n    let maybeLength = length;\n    if (Array.isArray(filter)) {\n      const filterArray = filter;\n      const paramsArray = params;\n      for (let i = 0, ii = filterArray.length; i < ii; ++i) {\n        filter = this.xref.fetchIfRef(filterArray[i]);\n        if (!isName(filter)) {\n          throw new FormatError(`Bad filter name \"${filter}\"`);\n        }\n\n        params = null;\n        if (Array.isArray(paramsArray) && i in paramsArray) {\n          params = this.xref.fetchIfRef(paramsArray[i]);\n        }\n        stream = this.makeFilter(stream, filter.name, maybeLength, params);\n        // After the first stream the `length` variable is invalid.\n        maybeLength = null;\n      }\n    }\n    return stream;\n  }\n\n  makeFilter(stream, name, maybeLength, params) {\n    // Since the 'Length' entry in the stream dictionary can be completely\n    // wrong, e.g. zero for non-empty streams, only skip parsing the stream\n    // when we can be absolutely certain that it actually is empty.\n    if (maybeLength === 0) {\n      warn(`Empty \"${name}\" stream.`);\n      return new NullStream();\n    }\n\n    try {\n      const xrefStreamStats = this.xref.stats.streamTypes;\n      if (name === \"FlateDecode\" || name === \"Fl\") {\n        xrefStreamStats[StreamType.FLATE] = true;\n        if (params) {\n          return new PredictorStream(\n            new FlateStream(stream, maybeLength),\n            maybeLength,\n            params\n          );\n        }\n        return new FlateStream(stream, maybeLength);\n      }\n      if (name === \"LZWDecode\" || name === \"LZW\") {\n        xrefStreamStats[StreamType.LZW] = true;\n        let earlyChange = 1;\n        if (params) {\n          if (params.has(\"EarlyChange\")) {\n            earlyChange = params.get(\"EarlyChange\");\n          }\n          return new PredictorStream(\n            new LZWStream(stream, maybeLength, earlyChange),\n            maybeLength,\n            params\n          );\n        }\n        return new LZWStream(stream, maybeLength, earlyChange);\n      }\n      if (name === \"DCTDecode\" || name === \"DCT\") {\n        xrefStreamStats[StreamType.DCT] = true;\n        return new JpegStream(stream, maybeLength, stream.dict, params);\n      }\n      if (name === \"JPXDecode\" || name === \"JPX\") {\n        xrefStreamStats[StreamType.JPX] = true;\n        return new JpxStream(stream, maybeLength, stream.dict, params);\n      }\n      if (name === \"ASCII85Decode\" || name === \"A85\") {\n        xrefStreamStats[StreamType.A85] = true;\n        return new Ascii85Stream(stream, maybeLength);\n      }\n      if (name === \"ASCIIHexDecode\" || name === \"AHx\") {\n        xrefStreamStats[StreamType.AHX] = true;\n        return new AsciiHexStream(stream, maybeLength);\n      }\n      if (name === \"CCITTFaxDecode\" || name === \"CCF\") {\n        xrefStreamStats[StreamType.CCF] = true;\n        return new CCITTFaxStream(stream, maybeLength, params);\n      }\n      if (name === \"RunLengthDecode\" || name === \"RL\") {\n        xrefStreamStats[StreamType.RLX] = true;\n        return new RunLengthStream(stream, maybeLength);\n      }\n      if (name === \"JBIG2Decode\") {\n        xrefStreamStats[StreamType.JBIG] = true;\n        return new Jbig2Stream(stream, maybeLength, stream.dict, params);\n      }\n      warn(`Filter \"${name}\" is not supported.`);\n      return stream;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`Invalid stream: \"${ex}\"`);\n      return new NullStream();\n    }\n  }\n}\n\n// A '1' in this array means the character is white space. A '1' or\n// '2' means the character ends a name or command.\n// prettier-ignore\nconst specialChars = [\n  1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x\n  1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0  // fx\n];\n\nfunction toHexDigit(ch) {\n  if (ch >= /* '0' = */ 0x30 && ch /* '9' = */ <= 0x39) {\n    return ch & 0x0f;\n  }\n  if (\n    (ch >= /* 'A' = */ 0x41 && ch <= /* 'F' = */ 0x46) ||\n    (ch >= /* 'a' = */ 0x61 && ch <= /* 'f' = */ 0x66)\n  ) {\n    return (ch & 0x0f) + 9;\n  }\n  return -1;\n}\n\nclass Lexer {\n  constructor(stream, knownCommands = null) {\n    this.stream = stream;\n    this.nextChar();\n\n    // While lexing, we build up many strings one char at a time. Using += for\n    // this can result in lots of garbage strings. It's better to build an\n    // array of single-char strings and then join() them together at the end.\n    // And reusing a single array (i.e. |this.strBuf|) over and over for this\n    // purpose uses less memory than using a new array for each string.\n    this.strBuf = [];\n\n    // The PDFs might have \"glued\" commands with other commands, operands or\n    // literals, e.g. \"q1\". The knownCommands is a dictionary of the valid\n    // commands and their prefixes. The prefixes are built the following way:\n    // if there a command that is a prefix of the other valid command or\n    // literal (e.g. 'f' and 'false') the following prefixes must be included,\n    // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no\n    // other commands or literals as a prefix. The knowCommands is optional.\n    this.knownCommands = knownCommands;\n\n    this._hexStringNumWarn = 0;\n    this.beginInlineImagePos = -1;\n  }\n\n  nextChar() {\n    return (this.currentChar = this.stream.getByte());\n  }\n\n  peekChar() {\n    return this.stream.peekByte();\n  }\n\n  getNumber() {\n    let ch = this.currentChar;\n    let eNotation = false;\n    let divideBy = 0; // Different from 0 if it's a floating point value.\n    let sign = 0;\n\n    if (ch === /* '-' = */ 0x2d) {\n      sign = -1;\n      ch = this.nextChar();\n\n      if (ch === /* '-' = */ 0x2d) {\n        // Ignore double negative (this is consistent with Adobe Reader).\n        ch = this.nextChar();\n      }\n    } else if (ch === /* '+' = */ 0x2b) {\n      sign = 1;\n      ch = this.nextChar();\n    }\n    if (ch === /* LF = */ 0x0a || ch === /* CR = */ 0x0d) {\n      // Ignore line-breaks (this is consistent with Adobe Reader).\n      do {\n        ch = this.nextChar();\n      } while (ch === 0x0a || ch === 0x0d);\n    }\n    if (ch === /* '.' = */ 0x2e) {\n      divideBy = 10;\n      ch = this.nextChar();\n    }\n    if (ch < /* '0' = */ 0x30 || ch > /* '9' = */ 0x39) {\n      if (\n        divideBy === 10 &&\n        sign === 0 &&\n        (isWhiteSpace(ch) || ch === /* EOF = */ -1)\n      ) {\n        // This is consistent with Adobe Reader (fixes issue9252.pdf).\n        warn(\"Lexer.getNumber - treating a single decimal point as zero.\");\n        return 0;\n      }\n      throw new FormatError(\n        `Invalid number: ${String.fromCharCode(ch)} (charCode ${ch})`\n      );\n    }\n\n    sign = sign || 1;\n    let baseValue = ch - 0x30; // '0'\n    let powerValue = 0;\n    let powerValueSign = 1;\n\n    while ((ch = this.nextChar()) >= 0) {\n      if (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) {\n        const currentDigit = ch - 0x30; // '0'\n        if (eNotation) {\n          // We are after an 'e' or 'E'.\n          powerValue = powerValue * 10 + currentDigit;\n        } else {\n          if (divideBy !== 0) {\n            // We are after a point.\n            divideBy *= 10;\n          }\n          baseValue = baseValue * 10 + currentDigit;\n        }\n      } else if (ch === /* '.' = */ 0x2e) {\n        if (divideBy === 0) {\n          divideBy = 1;\n        } else {\n          // A number can have only one dot.\n          break;\n        }\n      } else if (ch === /* '-' = */ 0x2d) {\n        // Ignore minus signs in the middle of numbers to match\n        // Adobe's behavior.\n        warn(\"Badly formatted number: minus sign in the middle\");\n      } else if (ch === /* 'E' = */ 0x45 || ch === /* 'e' = */ 0x65) {\n        // 'E' can be either a scientific notation or the beginning of a new\n        // operator.\n        ch = this.peekChar();\n        if (ch === /* '+' = */ 0x2b || ch === /* '-' = */ 0x2d) {\n          powerValueSign = ch === 0x2d ? -1 : 1;\n          this.nextChar(); // Consume the sign character.\n        } else if (ch < /* '0' = */ 0x30 || ch > /* '9' = */ 0x39) {\n          // The 'E' must be the beginning of a new operator.\n          break;\n        }\n        eNotation = true;\n      } else {\n        // The last character doesn't belong to us.\n        break;\n      }\n    }\n\n    if (divideBy !== 0) {\n      baseValue /= divideBy;\n    }\n    if (eNotation) {\n      baseValue *= 10 ** (powerValueSign * powerValue);\n    }\n    return sign * baseValue;\n  }\n\n  getString() {\n    let numParen = 1;\n    let done = false;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n\n    let ch = this.nextChar();\n    while (true) {\n      let charBuffered = false;\n      switch (ch | 0) {\n        case -1:\n          warn(\"Unterminated string\");\n          done = true;\n          break;\n        case 0x28: // '('\n          ++numParen;\n          strBuf.push(\"(\");\n          break;\n        case 0x29: // ')'\n          if (--numParen === 0) {\n            this.nextChar(); // consume strings ')'\n            done = true;\n          } else {\n            strBuf.push(\")\");\n          }\n          break;\n        case 0x5c: // '\\\\'\n          ch = this.nextChar();\n          switch (ch) {\n            case -1:\n              warn(\"Unterminated string\");\n              done = true;\n              break;\n            case 0x6e: // 'n'\n              strBuf.push(\"\\n\");\n              break;\n            case 0x72: // 'r'\n              strBuf.push(\"\\r\");\n              break;\n            case 0x74: // 't'\n              strBuf.push(\"\\t\");\n              break;\n            case 0x62: // 'b'\n              strBuf.push(\"\\b\");\n              break;\n            case 0x66: // 'f'\n              strBuf.push(\"\\f\");\n              break;\n            case 0x5c: // '\\'\n            case 0x28: // '('\n            case 0x29: // ')'\n              strBuf.push(String.fromCharCode(ch));\n              break;\n            case 0x30: // '0'\n            case 0x31: // '1'\n            case 0x32: // '2'\n            case 0x33: // '3'\n            case 0x34: // '4'\n            case 0x35: // '5'\n            case 0x36: // '6'\n            case 0x37: // '7'\n              let x = ch & 0x0f;\n              ch = this.nextChar();\n              charBuffered = true;\n              if (ch >= /* '0' = */ 0x30 && ch <= /* '7' = */ 0x37) {\n                x = (x << 3) + (ch & 0x0f);\n                ch = this.nextChar();\n                if (ch >= /* '0' = */ 0x30 && ch /* '7' = */ <= 0x37) {\n                  charBuffered = false;\n                  x = (x << 3) + (ch & 0x0f);\n                }\n              }\n              strBuf.push(String.fromCharCode(x));\n              break;\n            case 0x0d: // CR\n              if (this.peekChar() === /* LF = */ 0x0a) {\n                this.nextChar();\n              }\n              break;\n            case 0x0a: // LF\n              break;\n            default:\n              strBuf.push(String.fromCharCode(ch));\n              break;\n          }\n          break;\n        default:\n          strBuf.push(String.fromCharCode(ch));\n          break;\n      }\n      if (done) {\n        break;\n      }\n      if (!charBuffered) {\n        ch = this.nextChar();\n      }\n    }\n    return strBuf.join(\"\");\n  }\n\n  getName() {\n    let ch, previousCh;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n\n    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {\n      if (ch === /* '#' = */ 0x23) {\n        ch = this.nextChar();\n        if (specialChars[ch]) {\n          warn(\n            \"Lexer_getName: \" +\n              \"NUMBER SIGN (#) should be followed by a hexadecimal number.\"\n          );\n          strBuf.push(\"#\");\n          break;\n        }\n        const x = toHexDigit(ch);\n        if (x !== -1) {\n          previousCh = ch;\n          ch = this.nextChar();\n          const x2 = toHexDigit(ch);\n          if (x2 === -1) {\n            warn(\n              `Lexer_getName: Illegal digit (${String.fromCharCode(ch)}) ` +\n                \"in hexadecimal number.\"\n            );\n            strBuf.push(\"#\", String.fromCharCode(previousCh));\n            if (specialChars[ch]) {\n              break;\n            }\n            strBuf.push(String.fromCharCode(ch));\n            continue;\n          }\n          strBuf.push(String.fromCharCode((x << 4) | x2));\n        } else {\n          strBuf.push(\"#\", String.fromCharCode(ch));\n        }\n      } else {\n        strBuf.push(String.fromCharCode(ch));\n      }\n    }\n    if (strBuf.length > 127) {\n      warn(`Name token is longer than allowed by the spec: ${strBuf.length}`);\n    }\n    return Name.get(strBuf.join(\"\"));\n  }\n\n  /**\n   * @private\n   */\n  _hexStringWarn(ch) {\n    const MAX_HEX_STRING_NUM_WARN = 5;\n\n    if (this._hexStringNumWarn++ === MAX_HEX_STRING_NUM_WARN) {\n      warn(\"getHexString - ignoring additional invalid characters.\");\n      return;\n    }\n    if (this._hexStringNumWarn > MAX_HEX_STRING_NUM_WARN) {\n      // Limit the number of warning messages printed for a `this.getHexString`\n      // invocation, since corrupt PDF documents may otherwise spam the console\n      // enough to affect general performance negatively.\n      return;\n    }\n    warn(`getHexString - ignoring invalid character: ${ch}`);\n  }\n\n  getHexString() {\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    let ch = this.currentChar;\n    let isFirstHex = true;\n    let firstDigit, secondDigit;\n    this._hexStringNumWarn = 0;\n\n    while (true) {\n      if (ch < 0) {\n        warn(\"Unterminated hex string\");\n        break;\n      } else if (ch === /* '>' = */ 0x3e) {\n        this.nextChar();\n        break;\n      } else if (specialChars[ch] === 1) {\n        ch = this.nextChar();\n        continue;\n      } else {\n        if (isFirstHex) {\n          firstDigit = toHexDigit(ch);\n          if (firstDigit === -1) {\n            this._hexStringWarn(ch);\n            ch = this.nextChar();\n            continue;\n          }\n        } else {\n          secondDigit = toHexDigit(ch);\n          if (secondDigit === -1) {\n            this._hexStringWarn(ch);\n            ch = this.nextChar();\n            continue;\n          }\n          strBuf.push(String.fromCharCode((firstDigit << 4) | secondDigit));\n        }\n        isFirstHex = !isFirstHex;\n        ch = this.nextChar();\n      }\n    }\n    return strBuf.join(\"\");\n  }\n\n  getObj() {\n    // Skip whitespace and comments.\n    let comment = false;\n    let ch = this.currentChar;\n    while (true) {\n      if (ch < 0) {\n        return EOF;\n      }\n      if (comment) {\n        if (ch === /* LF = */ 0x0a || ch === /* CR = */ 0x0d) {\n          comment = false;\n        }\n      } else if (ch === /* '%' = */ 0x25) {\n        comment = true;\n      } else if (specialChars[ch] !== 1) {\n        break;\n      }\n      ch = this.nextChar();\n    }\n\n    // Start reading a token.\n    switch (ch | 0) {\n      case 0x30: // '0'\n      case 0x31: // '1'\n      case 0x32: // '2'\n      case 0x33: // '3'\n      case 0x34: // '4'\n      case 0x35: // '5'\n      case 0x36: // '6'\n      case 0x37: // '7'\n      case 0x38: // '8'\n      case 0x39: // '9'\n      case 0x2b: // '+'\n      case 0x2d: // '-'\n      case 0x2e: // '.'\n        return this.getNumber();\n      case 0x28: // '('\n        return this.getString();\n      case 0x2f: // '/'\n        return this.getName();\n      // array punctuation\n      case 0x5b: // '['\n        this.nextChar();\n        return Cmd.get(\"[\");\n      case 0x5d: // ']'\n        this.nextChar();\n        return Cmd.get(\"]\");\n      // hex string or dict punctuation\n      case 0x3c: // '<'\n        ch = this.nextChar();\n        if (ch === 0x3c) {\n          // dict punctuation\n          this.nextChar();\n          return Cmd.get(\"<<\");\n        }\n        return this.getHexString();\n      // dict punctuation\n      case 0x3e: // '>'\n        ch = this.nextChar();\n        if (ch === 0x3e) {\n          this.nextChar();\n          return Cmd.get(\">>\");\n        }\n        return Cmd.get(\">\");\n      case 0x7b: // '{'\n        this.nextChar();\n        return Cmd.get(\"{\");\n      case 0x7d: // '}'\n        this.nextChar();\n        return Cmd.get(\"}\");\n      case 0x29: // ')'\n        // Consume the current character in order to avoid permanently hanging\n        // the worker thread if `Lexer.getObject` is called from within a loop\n        // containing try-catch statements, since we would otherwise attempt\n        // to parse the *same* character over and over (fixes issue8061.pdf).\n        this.nextChar();\n        throw new FormatError(`Illegal character: ${ch}`);\n    }\n\n    // Start reading a command.\n    let str = String.fromCharCode(ch);\n    const knownCommands = this.knownCommands;\n    let knownCommandFound = knownCommands && knownCommands[str] !== undefined;\n    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {\n      // Stop if a known command is found and next character does not make\n      // the string a command.\n      const possibleCommand = str + String.fromCharCode(ch);\n      if (knownCommandFound && knownCommands[possibleCommand] === undefined) {\n        break;\n      }\n      if (str.length === 128) {\n        throw new FormatError(`Command token too long: ${str.length}`);\n      }\n      str = possibleCommand;\n      knownCommandFound = knownCommands && knownCommands[str] !== undefined;\n    }\n    if (str === \"true\") {\n      return true;\n    }\n    if (str === \"false\") {\n      return false;\n    }\n    if (str === \"null\") {\n      return null;\n    }\n\n    if (str === \"BI\") {\n      // Keep track of the current stream position, since it's needed in order\n      // to correctly cache inline images; see `Parser.makeInlineImage`.\n      this.beginInlineImagePos = this.stream.pos;\n    }\n\n    return Cmd.get(str);\n  }\n\n  peekObj() {\n    const streamPos = this.stream.pos,\n      currentChar = this.currentChar,\n      beginInlineImagePos = this.beginInlineImagePos;\n\n    let nextObj;\n    try {\n      nextObj = this.getObj();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`peekObj: ${ex}`);\n    }\n    // Ensure that we reset *all* relevant `Lexer`-instance state.\n    this.stream.pos = streamPos;\n    this.currentChar = currentChar;\n    this.beginInlineImagePos = beginInlineImagePos;\n\n    return nextObj;\n  }\n\n  skipToNextLine() {\n    let ch = this.currentChar;\n    while (ch >= 0) {\n      if (ch === /* CR = */ 0x0d) {\n        ch = this.nextChar();\n        if (ch === /* LF = */ 0x0a) {\n          this.nextChar();\n        }\n        break;\n      } else if (ch === /* LF = */ 0x0a) {\n        this.nextChar();\n        break;\n      }\n      ch = this.nextChar();\n    }\n  }\n}\n\nclass Linearization {\n  static create(stream) {\n    function getInt(linDict, name, allowZeroValue = false) {\n      const obj = linDict.get(name);\n      if (Number.isInteger(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) {\n        return obj;\n      }\n      throw new Error(\n        `The \"${name}\" parameter in the linearization ` +\n          \"dictionary is invalid.\"\n      );\n    }\n\n    function getHints(linDict) {\n      const hints = linDict.get(\"H\");\n      let hintsLength;\n\n      if (\n        Array.isArray(hints) &&\n        ((hintsLength = hints.length) === 2 || hintsLength === 4)\n      ) {\n        for (let index = 0; index < hintsLength; index++) {\n          const hint = hints[index];\n          if (!(Number.isInteger(hint) && hint > 0)) {\n            throw new Error(\n              `Hint (${index}) in the linearization dictionary is invalid.`\n            );\n          }\n        }\n        return hints;\n      }\n      throw new Error(\"Hint array in the linearization dictionary is invalid.\");\n    }\n\n    const parser = new Parser({\n      lexer: new Lexer(stream),\n      xref: null,\n    });\n    const obj1 = parser.getObj();\n    const obj2 = parser.getObj();\n    const obj3 = parser.getObj();\n    const linDict = parser.getObj();\n    let obj, length;\n    if (\n      !(\n        Number.isInteger(obj1) &&\n        Number.isInteger(obj2) &&\n        isCmd(obj3, \"obj\") &&\n        isDict(linDict) &&\n        isNum((obj = linDict.get(\"Linearized\"))) &&\n        obj > 0\n      )\n    ) {\n      return null; // No valid linearization dictionary found.\n    } else if ((length = getInt(linDict, \"L\")) !== stream.length) {\n      throw new Error(\n        'The \"L\" parameter in the linearization dictionary ' +\n          \"does not equal the stream length.\"\n      );\n    }\n    return {\n      length,\n      hints: getHints(linDict),\n      objectNumberFirst: getInt(linDict, \"O\"),\n      endFirst: getInt(linDict, \"E\"),\n      numPages: getInt(linDict, \"N\"),\n      mainXRefEntriesOffset: getInt(linDict, \"T\"),\n      pageFirst: linDict.has(\"P\")\n        ? getInt(linDict, \"P\", /* allowZeroValue = */ true)\n        : 0,\n    };\n  }\n}\n\nexport { Lexer, Linearization, Parser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The flate stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\nimport { FormatError, stringToBytes, unreachable } from \"../shared/util.js\";\nimport { isDict } from \"./primitives.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\n\nvar Stream = (function StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Stream(arrayBuffer, start, length, dict) {\n    this.bytes =\n      arrayBuffer instanceof Uint8Array\n        ? arrayBuffer\n        : new Uint8Array(arrayBuffer);\n    this.start = start || 0;\n    this.pos = this.start;\n    this.end = start + length || this.bytes.length;\n    this.dict = dict;\n  }\n\n  // required methods for a stream. if a particular stream does not\n  // implement these, an error should be thrown\n  Stream.prototype = {\n    get length() {\n      return this.end - this.start;\n    },\n    get isEmpty() {\n      return this.length === 0;\n    },\n    getByte: function Stream_getByte() {\n      if (this.pos >= this.end) {\n        return -1;\n      }\n      return this.bytes[this.pos++];\n    },\n    getUint16: function Stream_getUint16() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      if (b0 === -1 || b1 === -1) {\n        return -1;\n      }\n      return (b0 << 8) + b1;\n    },\n    getInt32: function Stream_getInt32() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      var b2 = this.getByte();\n      var b3 = this.getByte();\n      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n    },\n    // Returns subarray of original buffer, should only be read.\n    getBytes(length, forceClamped = false) {\n      var bytes = this.bytes;\n      var pos = this.pos;\n      var strEnd = this.end;\n\n      if (!length) {\n        const subarray = bytes.subarray(pos, strEnd);\n        // `this.bytes` is always a `Uint8Array` here.\n        return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n      }\n      var end = pos + length;\n      if (end > strEnd) {\n        end = strEnd;\n      }\n      this.pos = end;\n      const subarray = bytes.subarray(pos, end);\n      // `this.bytes` is always a `Uint8Array` here.\n      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n    },\n    peekByte: function Stream_peekByte() {\n      var peekedByte = this.getByte();\n      if (peekedByte !== -1) {\n        this.pos--;\n      }\n      return peekedByte;\n    },\n    peekBytes(length, forceClamped = false) {\n      var bytes = this.getBytes(length, forceClamped);\n      this.pos -= bytes.length;\n      return bytes;\n    },\n\n    getByteRange(begin, end) {\n      if (begin < 0) {\n        begin = 0;\n      }\n      if (end > this.end) {\n        end = this.end;\n      }\n      return this.bytes.subarray(begin, end);\n    },\n\n    skip: function Stream_skip(n) {\n      if (!n) {\n        n = 1;\n      }\n      this.pos += n;\n    },\n    reset: function Stream_reset() {\n      this.pos = this.start;\n    },\n    moveStart: function Stream_moveStart() {\n      this.start = this.pos;\n    },\n    makeSubStream: function Stream_makeSubStream(start, length, dict) {\n      return new Stream(this.bytes.buffer, start, length, dict);\n    },\n  };\n\n  return Stream;\n})();\n\nvar StringStream = (function StringStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function StringStream(str) {\n    const bytes = stringToBytes(str);\n    Stream.call(this, bytes);\n  }\n\n  StringStream.prototype = Stream.prototype;\n\n  return StringStream;\n})();\n\n// super class for the decoding streams\nvar DecodeStream = (function DecodeStreamClosure() {\n  // Lots of DecodeStreams are created whose buffers are never used.  For these\n  // we share a single empty buffer. This is (a) space-efficient and (b) avoids\n  // having special cases that would be required if we used |null| for an empty\n  // buffer.\n  var emptyBuffer = new Uint8Array(0);\n\n  // eslint-disable-next-line no-shadow\n  function DecodeStream(maybeMinBufferLength) {\n    this._rawMinBufferLength = maybeMinBufferLength || 0;\n\n    this.pos = 0;\n    this.bufferLength = 0;\n    this.eof = false;\n    this.buffer = emptyBuffer;\n    this.minBufferLength = 512;\n    if (maybeMinBufferLength) {\n      // Compute the first power of two that is as big as maybeMinBufferLength.\n      while (this.minBufferLength < maybeMinBufferLength) {\n        this.minBufferLength *= 2;\n      }\n    }\n  }\n\n  DecodeStream.prototype = {\n    get isEmpty() {\n      while (!this.eof && this.bufferLength === 0) {\n        this.readBlock();\n      }\n      return this.bufferLength === 0;\n    },\n    ensureBuffer: function DecodeStream_ensureBuffer(requested) {\n      var buffer = this.buffer;\n      if (requested <= buffer.byteLength) {\n        return buffer;\n      }\n      var size = this.minBufferLength;\n      while (size < requested) {\n        size *= 2;\n      }\n      var buffer2 = new Uint8Array(size);\n      buffer2.set(buffer);\n      return (this.buffer = buffer2);\n    },\n    getByte: function DecodeStream_getByte() {\n      var pos = this.pos;\n      while (this.bufferLength <= pos) {\n        if (this.eof) {\n          return -1;\n        }\n        this.readBlock();\n      }\n      return this.buffer[this.pos++];\n    },\n    getUint16: function DecodeStream_getUint16() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      if (b0 === -1 || b1 === -1) {\n        return -1;\n      }\n      return (b0 << 8) + b1;\n    },\n    getInt32: function DecodeStream_getInt32() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      var b2 = this.getByte();\n      var b3 = this.getByte();\n      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n    },\n    getBytes(length, forceClamped = false) {\n      var end,\n        pos = this.pos;\n\n      if (length) {\n        this.ensureBuffer(pos + length);\n        end = pos + length;\n\n        while (!this.eof && this.bufferLength < end) {\n          this.readBlock();\n        }\n        var bufEnd = this.bufferLength;\n        if (end > bufEnd) {\n          end = bufEnd;\n        }\n      } else {\n        while (!this.eof) {\n          this.readBlock();\n        }\n        end = this.bufferLength;\n      }\n\n      this.pos = end;\n      const subarray = this.buffer.subarray(pos, end);\n      // `this.buffer` is either a `Uint8Array` or `Uint8ClampedArray` here.\n      return forceClamped && !(subarray instanceof Uint8ClampedArray)\n        ? new Uint8ClampedArray(subarray)\n        : subarray;\n    },\n    peekByte: function DecodeStream_peekByte() {\n      var peekedByte = this.getByte();\n      if (peekedByte !== -1) {\n        this.pos--;\n      }\n      return peekedByte;\n    },\n    peekBytes(length, forceClamped = false) {\n      var bytes = this.getBytes(length, forceClamped);\n      this.pos -= bytes.length;\n      return bytes;\n    },\n    makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {\n      var end = start + length;\n      while (this.bufferLength <= end && !this.eof) {\n        this.readBlock();\n      }\n      return new Stream(this.buffer, start, length, dict);\n    },\n\n    getByteRange(begin, end) {\n      unreachable(\"Should not call DecodeStream.getByteRange\");\n    },\n\n    skip: function DecodeStream_skip(n) {\n      if (!n) {\n        n = 1;\n      }\n      this.pos += n;\n    },\n    reset: function DecodeStream_reset() {\n      this.pos = 0;\n    },\n    getBaseStreams: function DecodeStream_getBaseStreams() {\n      if (this.str && this.str.getBaseStreams) {\n        return this.str.getBaseStreams();\n      }\n      return [];\n    },\n  };\n\n  return DecodeStream;\n})();\n\nvar StreamsSequenceStream = (function StreamsSequenceStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function StreamsSequenceStream(streams) {\n    this.streams = streams;\n\n    let maybeLength = 0;\n    for (let i = 0, ii = streams.length; i < ii; i++) {\n      const stream = streams[i];\n      if (stream instanceof DecodeStream) {\n        maybeLength += stream._rawMinBufferLength;\n      } else {\n        maybeLength += stream.length;\n      }\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);\n\n  StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {\n    var streams = this.streams;\n    if (streams.length === 0) {\n      this.eof = true;\n      return;\n    }\n    var stream = streams.shift();\n    var chunk = stream.getBytes();\n    var bufferLength = this.bufferLength;\n    var newLength = bufferLength + chunk.length;\n    var buffer = this.ensureBuffer(newLength);\n    buffer.set(chunk, bufferLength);\n    this.bufferLength = newLength;\n  };\n\n  StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {\n    var baseStreams = [];\n    for (var i = 0, ii = this.streams.length; i < ii; i++) {\n      var stream = this.streams[i];\n      if (stream.getBaseStreams) {\n        baseStreams.push(...stream.getBaseStreams());\n      }\n    }\n    return baseStreams;\n  };\n\n  return StreamsSequenceStream;\n})();\n\nvar FlateStream = (function FlateStreamClosure() {\n  // prettier-ignore\n  var codeLenCodeMap = new Int32Array([\n    16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15\n  ]);\n\n  // prettier-ignore\n  var lengthDecode = new Int32Array([\n    0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a,\n    0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f,\n    0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073,\n    0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102\n  ]);\n\n  // prettier-ignore\n  var distDecode = new Int32Array([\n    0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d,\n    0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1,\n    0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01,\n    0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001\n  ]);\n\n  // prettier-ignore\n  var fixedLitCodeTab = [new Int32Array([\n    0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0,\n    0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0,\n    0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0,\n    0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0,\n    0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8,\n    0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8,\n    0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8,\n    0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8,\n    0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4,\n    0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4,\n    0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4,\n    0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4,\n    0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc,\n    0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec,\n    0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc,\n    0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc,\n    0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2,\n    0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2,\n    0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2,\n    0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2,\n    0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca,\n    0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea,\n    0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da,\n    0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa,\n    0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6,\n    0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6,\n    0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6,\n    0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6,\n    0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce,\n    0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee,\n    0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de,\n    0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe,\n    0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1,\n    0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1,\n    0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1,\n    0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1,\n    0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9,\n    0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9,\n    0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9,\n    0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9,\n    0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5,\n    0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5,\n    0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5,\n    0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5,\n    0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd,\n    0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed,\n    0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd,\n    0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd,\n    0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3,\n    0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3,\n    0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3,\n    0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3,\n    0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb,\n    0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb,\n    0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db,\n    0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb,\n    0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7,\n    0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7,\n    0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7,\n    0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7,\n    0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf,\n    0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef,\n    0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df,\n    0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff\n  ]), 9];\n\n  // prettier-ignore\n  var fixedDistCodeTab = [new Int32Array([\n    0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c,\n    0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000,\n    0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d,\n    0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000\n  ]), 5];\n\n  // eslint-disable-next-line no-shadow\n  function FlateStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    var cmf = str.getByte();\n    var flg = str.getByte();\n    if (cmf === -1 || flg === -1) {\n      throw new FormatError(`Invalid header in flate stream: ${cmf}, ${flg}`);\n    }\n    if ((cmf & 0x0f) !== 0x08) {\n      throw new FormatError(\n        `Unknown compression method in flate stream: ${cmf}, ${flg}`\n      );\n    }\n    if (((cmf << 8) + flg) % 31 !== 0) {\n      throw new FormatError(`Bad FCHECK in flate stream: ${cmf}, ${flg}`);\n    }\n    if (flg & 0x20) {\n      throw new FormatError(`FDICT bit set in flate stream: ${cmf}, ${flg}`);\n    }\n\n    this.codeSize = 0;\n    this.codeBuf = 0;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  FlateStream.prototype = Object.create(DecodeStream.prototype);\n\n  FlateStream.prototype.getBits = function FlateStream_getBits(bits) {\n    var str = this.str;\n    var codeSize = this.codeSize;\n    var codeBuf = this.codeBuf;\n\n    var b;\n    while (codeSize < bits) {\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad encoding in flate stream\");\n      }\n      codeBuf |= b << codeSize;\n      codeSize += 8;\n    }\n    b = codeBuf & ((1 << bits) - 1);\n    this.codeBuf = codeBuf >> bits;\n    this.codeSize = codeSize -= bits;\n\n    return b;\n  };\n\n  FlateStream.prototype.getCode = function FlateStream_getCode(table) {\n    var str = this.str;\n    var codes = table[0];\n    var maxLen = table[1];\n    var codeSize = this.codeSize;\n    var codeBuf = this.codeBuf;\n\n    var b;\n    while (codeSize < maxLen) {\n      if ((b = str.getByte()) === -1) {\n        // premature end of stream. code might however still be valid.\n        // codeSize < codeLen check below guards against incomplete codeVal.\n        break;\n      }\n      codeBuf |= b << codeSize;\n      codeSize += 8;\n    }\n    var code = codes[codeBuf & ((1 << maxLen) - 1)];\n    var codeLen = code >> 16;\n    var codeVal = code & 0xffff;\n    if (codeLen < 1 || codeSize < codeLen) {\n      throw new FormatError(\"Bad encoding in flate stream\");\n    }\n    this.codeBuf = codeBuf >> codeLen;\n    this.codeSize = codeSize - codeLen;\n    return codeVal;\n  };\n\n  FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(\n    lengths\n  ) {\n    var n = lengths.length;\n\n    // find max code length\n    var maxLen = 0;\n    var i;\n    for (i = 0; i < n; ++i) {\n      if (lengths[i] > maxLen) {\n        maxLen = lengths[i];\n      }\n    }\n\n    // build the table\n    var size = 1 << maxLen;\n    var codes = new Int32Array(size);\n    for (\n      var len = 1, code = 0, skip = 2;\n      len <= maxLen;\n      ++len, code <<= 1, skip <<= 1\n    ) {\n      for (var val = 0; val < n; ++val) {\n        if (lengths[val] === len) {\n          // bit-reverse the code\n          var code2 = 0;\n          var t = code;\n          for (i = 0; i < len; ++i) {\n            code2 = (code2 << 1) | (t & 1);\n            t >>= 1;\n          }\n\n          // fill the table entries\n          for (i = code2; i < size; i += skip) {\n            codes[i] = (len << 16) | val;\n          }\n          ++code;\n        }\n      }\n    }\n\n    return [codes, maxLen];\n  };\n\n  FlateStream.prototype.readBlock = function FlateStream_readBlock() {\n    var buffer, len;\n    var str = this.str;\n    // read block header\n    var hdr = this.getBits(3);\n    if (hdr & 1) {\n      this.eof = true;\n    }\n    hdr >>= 1;\n\n    if (hdr === 0) {\n      // uncompressed block\n      var b;\n\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      var blockLen = b;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      blockLen |= b << 8;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      var check = b;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      check |= b << 8;\n      if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {\n        // Ignoring error for bad \"empty\" block (see issue 1277)\n        throw new FormatError(\"Bad uncompressed block length in flate stream\");\n      }\n\n      this.codeBuf = 0;\n      this.codeSize = 0;\n\n      const bufferLength = this.bufferLength,\n        end = bufferLength + blockLen;\n      buffer = this.ensureBuffer(end);\n      this.bufferLength = end;\n\n      if (blockLen === 0) {\n        if (str.peekByte() === -1) {\n          this.eof = true;\n        }\n      } else {\n        const block = str.getBytes(blockLen);\n        buffer.set(block, bufferLength);\n        if (block.length < blockLen) {\n          this.eof = true;\n        }\n      }\n      return;\n    }\n\n    var litCodeTable;\n    var distCodeTable;\n    if (hdr === 1) {\n      // compressed block, fixed codes\n      litCodeTable = fixedLitCodeTab;\n      distCodeTable = fixedDistCodeTab;\n    } else if (hdr === 2) {\n      // compressed block, dynamic codes\n      var numLitCodes = this.getBits(5) + 257;\n      var numDistCodes = this.getBits(5) + 1;\n      var numCodeLenCodes = this.getBits(4) + 4;\n\n      // build the code lengths code table\n      var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);\n\n      var i;\n      for (i = 0; i < numCodeLenCodes; ++i) {\n        codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);\n      }\n      var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);\n\n      // build the literal and distance code tables\n      len = 0;\n      i = 0;\n      var codes = numLitCodes + numDistCodes;\n      var codeLengths = new Uint8Array(codes);\n      var bitsLength, bitsOffset, what;\n      while (i < codes) {\n        var code = this.getCode(codeLenCodeTab);\n        if (code === 16) {\n          bitsLength = 2;\n          bitsOffset = 3;\n          what = len;\n        } else if (code === 17) {\n          bitsLength = 3;\n          bitsOffset = 3;\n          what = len = 0;\n        } else if (code === 18) {\n          bitsLength = 7;\n          bitsOffset = 11;\n          what = len = 0;\n        } else {\n          codeLengths[i++] = len = code;\n          continue;\n        }\n\n        var repeatLength = this.getBits(bitsLength) + bitsOffset;\n        while (repeatLength-- > 0) {\n          codeLengths[i++] = what;\n        }\n      }\n\n      litCodeTable = this.generateHuffmanTable(\n        codeLengths.subarray(0, numLitCodes)\n      );\n      distCodeTable = this.generateHuffmanTable(\n        codeLengths.subarray(numLitCodes, codes)\n      );\n    } else {\n      throw new FormatError(\"Unknown block type in flate stream\");\n    }\n\n    buffer = this.buffer;\n    var limit = buffer ? buffer.length : 0;\n    var pos = this.bufferLength;\n    while (true) {\n      var code1 = this.getCode(litCodeTable);\n      if (code1 < 256) {\n        if (pos + 1 >= limit) {\n          buffer = this.ensureBuffer(pos + 1);\n          limit = buffer.length;\n        }\n        buffer[pos++] = code1;\n        continue;\n      }\n      if (code1 === 256) {\n        this.bufferLength = pos;\n        return;\n      }\n      code1 -= 257;\n      code1 = lengthDecode[code1];\n      var code2 = code1 >> 16;\n      if (code2 > 0) {\n        code2 = this.getBits(code2);\n      }\n      len = (code1 & 0xffff) + code2;\n      code1 = this.getCode(distCodeTable);\n      code1 = distDecode[code1];\n      code2 = code1 >> 16;\n      if (code2 > 0) {\n        code2 = this.getBits(code2);\n      }\n      var dist = (code1 & 0xffff) + code2;\n      if (pos + len >= limit) {\n        buffer = this.ensureBuffer(pos + len);\n        limit = buffer.length;\n      }\n      for (var k = 0; k < len; ++k, ++pos) {\n        buffer[pos] = buffer[pos - dist];\n      }\n    }\n  };\n\n  return FlateStream;\n})();\n\nvar PredictorStream = (function PredictorStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function PredictorStream(str, maybeLength, params) {\n    if (!isDict(params)) {\n      return str; // no prediction\n    }\n    var predictor = (this.predictor = params.get(\"Predictor\") || 1);\n\n    if (predictor <= 1) {\n      return str; // no prediction\n    }\n    if (predictor !== 2 && (predictor < 10 || predictor > 15)) {\n      throw new FormatError(`Unsupported predictor: ${predictor}`);\n    }\n\n    if (predictor === 2) {\n      this.readBlock = this.readBlockTiff;\n    } else {\n      this.readBlock = this.readBlockPng;\n    }\n\n    this.str = str;\n    this.dict = str.dict;\n\n    var colors = (this.colors = params.get(\"Colors\") || 1);\n    var bits = (this.bits = params.get(\"BitsPerComponent\") || 8);\n    var columns = (this.columns = params.get(\"Columns\") || 1);\n\n    this.pixBytes = (colors * bits + 7) >> 3;\n    this.rowBytes = (columns * colors * bits + 7) >> 3;\n\n    DecodeStream.call(this, maybeLength);\n    return this;\n  }\n\n  PredictorStream.prototype = Object.create(DecodeStream.prototype);\n\n  PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {\n    var rowBytes = this.rowBytes;\n\n    var bufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(bufferLength + rowBytes);\n\n    var bits = this.bits;\n    var colors = this.colors;\n\n    var rawBytes = this.str.getBytes(rowBytes);\n    this.eof = !rawBytes.length;\n    if (this.eof) {\n      return;\n    }\n\n    var inbuf = 0,\n      outbuf = 0;\n    var inbits = 0,\n      outbits = 0;\n    var pos = bufferLength;\n    var i;\n\n    if (bits === 1 && colors === 1) {\n      // Optimized version of the loop in the \"else\"-branch\n      // for 1 bit-per-component and 1 color TIFF images.\n      for (i = 0; i < rowBytes; ++i) {\n        var c = rawBytes[i] ^ inbuf;\n        c ^= c >> 1;\n        c ^= c >> 2;\n        c ^= c >> 4;\n        inbuf = (c & 1) << 7;\n        buffer[pos++] = c;\n      }\n    } else if (bits === 8) {\n      for (i = 0; i < colors; ++i) {\n        buffer[pos++] = rawBytes[i];\n      }\n      for (; i < rowBytes; ++i) {\n        buffer[pos] = buffer[pos - colors] + rawBytes[i];\n        pos++;\n      }\n    } else if (bits === 16) {\n      var bytesPerPixel = colors * 2;\n      for (i = 0; i < bytesPerPixel; ++i) {\n        buffer[pos++] = rawBytes[i];\n      }\n      for (; i < rowBytes; i += 2) {\n        var sum =\n          ((rawBytes[i] & 0xff) << 8) +\n          (rawBytes[i + 1] & 0xff) +\n          ((buffer[pos - bytesPerPixel] & 0xff) << 8) +\n          (buffer[pos - bytesPerPixel + 1] & 0xff);\n        buffer[pos++] = (sum >> 8) & 0xff;\n        buffer[pos++] = sum & 0xff;\n      }\n    } else {\n      var compArray = new Uint8Array(colors + 1);\n      var bitMask = (1 << bits) - 1;\n      var j = 0,\n        k = bufferLength;\n      var columns = this.columns;\n      for (i = 0; i < columns; ++i) {\n        for (var kk = 0; kk < colors; ++kk) {\n          if (inbits < bits) {\n            inbuf = (inbuf << 8) | (rawBytes[j++] & 0xff);\n            inbits += 8;\n          }\n          compArray[kk] =\n            (compArray[kk] + (inbuf >> (inbits - bits))) & bitMask;\n          inbits -= bits;\n          outbuf = (outbuf << bits) | compArray[kk];\n          outbits += bits;\n          if (outbits >= 8) {\n            buffer[k++] = (outbuf >> (outbits - 8)) & 0xff;\n            outbits -= 8;\n          }\n        }\n      }\n      if (outbits > 0) {\n        buffer[k++] =\n          (outbuf << (8 - outbits)) + (inbuf & ((1 << (8 - outbits)) - 1));\n      }\n    }\n    this.bufferLength += rowBytes;\n  };\n\n  PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {\n    var rowBytes = this.rowBytes;\n    var pixBytes = this.pixBytes;\n\n    var predictor = this.str.getByte();\n    var rawBytes = this.str.getBytes(rowBytes);\n    this.eof = !rawBytes.length;\n    if (this.eof) {\n      return;\n    }\n\n    var bufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(bufferLength + rowBytes);\n\n    var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);\n    if (prevRow.length === 0) {\n      prevRow = new Uint8Array(rowBytes);\n    }\n\n    var i,\n      j = bufferLength,\n      up,\n      c;\n    switch (predictor) {\n      case 0:\n        for (i = 0; i < rowBytes; ++i) {\n          buffer[j++] = rawBytes[i];\n        }\n        break;\n      case 1:\n        for (i = 0; i < pixBytes; ++i) {\n          buffer[j++] = rawBytes[i];\n        }\n        for (; i < rowBytes; ++i) {\n          buffer[j] = (buffer[j - pixBytes] + rawBytes[i]) & 0xff;\n          j++;\n        }\n        break;\n      case 2:\n        for (i = 0; i < rowBytes; ++i) {\n          buffer[j++] = (prevRow[i] + rawBytes[i]) & 0xff;\n        }\n        break;\n      case 3:\n        for (i = 0; i < pixBytes; ++i) {\n          buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];\n        }\n        for (; i < rowBytes; ++i) {\n          buffer[j] =\n            (((prevRow[i] + buffer[j - pixBytes]) >> 1) + rawBytes[i]) & 0xff;\n          j++;\n        }\n        break;\n      case 4:\n        // we need to save the up left pixels values. the simplest way\n        // is to create a new buffer\n        for (i = 0; i < pixBytes; ++i) {\n          up = prevRow[i];\n          c = rawBytes[i];\n          buffer[j++] = up + c;\n        }\n        for (; i < rowBytes; ++i) {\n          up = prevRow[i];\n          var upLeft = prevRow[i - pixBytes];\n          var left = buffer[j - pixBytes];\n          var p = left + up - upLeft;\n\n          var pa = p - left;\n          if (pa < 0) {\n            pa = -pa;\n          }\n          var pb = p - up;\n          if (pb < 0) {\n            pb = -pb;\n          }\n          var pc = p - upLeft;\n          if (pc < 0) {\n            pc = -pc;\n          }\n\n          c = rawBytes[i];\n          if (pa <= pb && pa <= pc) {\n            buffer[j++] = left + c;\n          } else if (pb <= pc) {\n            buffer[j++] = up + c;\n          } else {\n            buffer[j++] = upLeft + c;\n          }\n        }\n        break;\n      default:\n        throw new FormatError(`Unsupported predictor: ${predictor}`);\n    }\n    this.bufferLength += rowBytes;\n  };\n\n  return PredictorStream;\n})();\n\nvar DecryptStream = (function DecryptStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function DecryptStream(str, maybeLength, decrypt) {\n    this.str = str;\n    this.dict = str.dict;\n    this.decrypt = decrypt;\n    this.nextChunk = null;\n    this.initialized = false;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  var chunkSize = 512;\n\n  DecryptStream.prototype = Object.create(DecodeStream.prototype);\n\n  DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {\n    var chunk;\n    if (this.initialized) {\n      chunk = this.nextChunk;\n    } else {\n      chunk = this.str.getBytes(chunkSize);\n      this.initialized = true;\n    }\n    if (!chunk || chunk.length === 0) {\n      this.eof = true;\n      return;\n    }\n    this.nextChunk = this.str.getBytes(chunkSize);\n    var hasMoreData = this.nextChunk && this.nextChunk.length > 0;\n\n    var decrypt = this.decrypt;\n    chunk = decrypt(chunk, !hasMoreData);\n\n    var bufferLength = this.bufferLength;\n    var i,\n      n = chunk.length;\n    var buffer = this.ensureBuffer(bufferLength + n);\n    for (i = 0; i < n; i++) {\n      buffer[bufferLength++] = chunk[i];\n    }\n    this.bufferLength = bufferLength;\n  };\n\n  return DecryptStream;\n})();\n\nvar Ascii85Stream = (function Ascii85StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Ascii85Stream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n    this.input = new Uint8Array(5);\n\n    // Most streams increase in size when decoded, but Ascii85 streams\n    // typically shrink by ~20%.\n    if (maybeLength) {\n      maybeLength = 0.8 * maybeLength;\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  Ascii85Stream.prototype = Object.create(DecodeStream.prototype);\n\n  Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {\n    var TILDA_CHAR = 0x7e; // '~'\n    var Z_LOWER_CHAR = 0x7a; // 'z'\n    var EOF = -1;\n\n    var str = this.str;\n\n    var c = str.getByte();\n    while (isWhiteSpace(c)) {\n      c = str.getByte();\n    }\n\n    if (c === EOF || c === TILDA_CHAR) {\n      this.eof = true;\n      return;\n    }\n\n    var bufferLength = this.bufferLength,\n      buffer;\n    var i;\n\n    // special code for z\n    if (c === Z_LOWER_CHAR) {\n      buffer = this.ensureBuffer(bufferLength + 4);\n      for (i = 0; i < 4; ++i) {\n        buffer[bufferLength + i] = 0;\n      }\n      this.bufferLength += 4;\n    } else {\n      var input = this.input;\n      input[0] = c;\n      for (i = 1; i < 5; ++i) {\n        c = str.getByte();\n        while (isWhiteSpace(c)) {\n          c = str.getByte();\n        }\n\n        input[i] = c;\n\n        if (c === EOF || c === TILDA_CHAR) {\n          break;\n        }\n      }\n      buffer = this.ensureBuffer(bufferLength + i - 1);\n      this.bufferLength += i - 1;\n\n      // partial ending;\n      if (i < 5) {\n        for (; i < 5; ++i) {\n          input[i] = 0x21 + 84;\n        }\n        this.eof = true;\n      }\n      var t = 0;\n      for (i = 0; i < 5; ++i) {\n        t = t * 85 + (input[i] - 0x21);\n      }\n\n      for (i = 3; i >= 0; --i) {\n        buffer[bufferLength + i] = t & 0xff;\n        t >>= 8;\n      }\n    }\n  };\n\n  return Ascii85Stream;\n})();\n\nvar AsciiHexStream = (function AsciiHexStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function AsciiHexStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    this.firstDigit = -1;\n\n    // Most streams increase in size when decoded, but AsciiHex streams shrink\n    // by 50%.\n    if (maybeLength) {\n      maybeLength = 0.5 * maybeLength;\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  AsciiHexStream.prototype = Object.create(DecodeStream.prototype);\n\n  AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {\n    var UPSTREAM_BLOCK_SIZE = 8000;\n    var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);\n    if (!bytes.length) {\n      this.eof = true;\n      return;\n    }\n\n    var maxDecodeLength = (bytes.length + 1) >> 1;\n    var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);\n    var bufferLength = this.bufferLength;\n\n    var firstDigit = this.firstDigit;\n    for (var i = 0, ii = bytes.length; i < ii; i++) {\n      var ch = bytes[i],\n        digit;\n      if (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) {\n        digit = ch & 0x0f;\n      } else if (\n        (ch >= /* 'A' = */ 0x41 && ch <= /* 'Z' = */ 0x46) ||\n        (ch >= /* 'a' = */ 0x61 && ch <= /* 'z' = */ 0x66)\n      ) {\n        digit = (ch & 0x0f) + 9;\n      } else if (ch === /* '>' = */ 0x3e) {\n        this.eof = true;\n        break;\n      } else {\n        // Probably whitespace, ignoring.\n        continue;\n      }\n      if (firstDigit < 0) {\n        firstDigit = digit;\n      } else {\n        buffer[bufferLength++] = (firstDigit << 4) | digit;\n        firstDigit = -1;\n      }\n    }\n    if (firstDigit >= 0 && this.eof) {\n      // incomplete byte\n      buffer[bufferLength++] = firstDigit << 4;\n      firstDigit = -1;\n    }\n    this.firstDigit = firstDigit;\n    this.bufferLength = bufferLength;\n  };\n\n  return AsciiHexStream;\n})();\n\nvar RunLengthStream = (function RunLengthStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function RunLengthStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  RunLengthStream.prototype = Object.create(DecodeStream.prototype);\n\n  RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {\n    // The repeatHeader has following format. The first byte defines type of run\n    // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes\n    // (in addition to the second byte from the header), n = 129 through 255 -\n    // duplicate the second byte from the header (257 - n) times, n = 128 - end.\n    var repeatHeader = this.str.getBytes(2);\n    if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {\n      this.eof = true;\n      return;\n    }\n\n    var buffer;\n    var bufferLength = this.bufferLength;\n    var n = repeatHeader[0];\n    if (n < 128) {\n      // copy n bytes\n      buffer = this.ensureBuffer(bufferLength + n + 1);\n      buffer[bufferLength++] = repeatHeader[1];\n      if (n > 0) {\n        var source = this.str.getBytes(n);\n        buffer.set(source, bufferLength);\n        bufferLength += n;\n      }\n    } else {\n      n = 257 - n;\n      var b = repeatHeader[1];\n      buffer = this.ensureBuffer(bufferLength + n + 1);\n      for (var i = 0; i < n; i++) {\n        buffer[bufferLength++] = b;\n      }\n    }\n    this.bufferLength = bufferLength;\n  };\n\n  return RunLengthStream;\n})();\n\nvar LZWStream = (function LZWStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function LZWStream(str, maybeLength, earlyChange) {\n    this.str = str;\n    this.dict = str.dict;\n    this.cachedData = 0;\n    this.bitsCached = 0;\n\n    var maxLzwDictionarySize = 4096;\n    var lzwState = {\n      earlyChange,\n      codeLength: 9,\n      nextCode: 258,\n      dictionaryValues: new Uint8Array(maxLzwDictionarySize),\n      dictionaryLengths: new Uint16Array(maxLzwDictionarySize),\n      dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize),\n      currentSequence: new Uint8Array(maxLzwDictionarySize),\n      currentSequenceLength: 0,\n    };\n    for (var i = 0; i < 256; ++i) {\n      lzwState.dictionaryValues[i] = i;\n      lzwState.dictionaryLengths[i] = 1;\n    }\n    this.lzwState = lzwState;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  LZWStream.prototype = Object.create(DecodeStream.prototype);\n\n  LZWStream.prototype.readBits = function LZWStream_readBits(n) {\n    var bitsCached = this.bitsCached;\n    var cachedData = this.cachedData;\n    while (bitsCached < n) {\n      var c = this.str.getByte();\n      if (c === -1) {\n        this.eof = true;\n        return null;\n      }\n      cachedData = (cachedData << 8) | c;\n      bitsCached += 8;\n    }\n    this.bitsCached = bitsCached -= n;\n    this.cachedData = cachedData;\n    this.lastCode = null;\n    return (cachedData >>> bitsCached) & ((1 << n) - 1);\n  };\n\n  LZWStream.prototype.readBlock = function LZWStream_readBlock() {\n    var blockSize = 512;\n    var estimatedDecodedSize = blockSize * 2,\n      decodedSizeDelta = blockSize;\n    var i, j, q;\n\n    var lzwState = this.lzwState;\n    if (!lzwState) {\n      return; // eof was found\n    }\n\n    var earlyChange = lzwState.earlyChange;\n    var nextCode = lzwState.nextCode;\n    var dictionaryValues = lzwState.dictionaryValues;\n    var dictionaryLengths = lzwState.dictionaryLengths;\n    var dictionaryPrevCodes = lzwState.dictionaryPrevCodes;\n    var codeLength = lzwState.codeLength;\n    var prevCode = lzwState.prevCode;\n    var currentSequence = lzwState.currentSequence;\n    var currentSequenceLength = lzwState.currentSequenceLength;\n\n    var decodedLength = 0;\n    var currentBufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);\n\n    for (i = 0; i < blockSize; i++) {\n      var code = this.readBits(codeLength);\n      var hasPrev = currentSequenceLength > 0;\n      if (code < 256) {\n        currentSequence[0] = code;\n        currentSequenceLength = 1;\n      } else if (code >= 258) {\n        if (code < nextCode) {\n          currentSequenceLength = dictionaryLengths[code];\n          for (j = currentSequenceLength - 1, q = code; j >= 0; j--) {\n            currentSequence[j] = dictionaryValues[q];\n            q = dictionaryPrevCodes[q];\n          }\n        } else {\n          currentSequence[currentSequenceLength++] = currentSequence[0];\n        }\n      } else if (code === 256) {\n        codeLength = 9;\n        nextCode = 258;\n        currentSequenceLength = 0;\n        continue;\n      } else {\n        this.eof = true;\n        delete this.lzwState;\n        break;\n      }\n\n      if (hasPrev) {\n        dictionaryPrevCodes[nextCode] = prevCode;\n        dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1;\n        dictionaryValues[nextCode] = currentSequence[0];\n        nextCode++;\n        codeLength =\n          (nextCode + earlyChange) & (nextCode + earlyChange - 1)\n            ? codeLength\n            : Math.min(\n                Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1,\n                12\n              ) | 0;\n      }\n      prevCode = code;\n\n      decodedLength += currentSequenceLength;\n      if (estimatedDecodedSize < decodedLength) {\n        do {\n          estimatedDecodedSize += decodedSizeDelta;\n        } while (estimatedDecodedSize < decodedLength);\n        buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);\n      }\n      for (j = 0; j < currentSequenceLength; j++) {\n        buffer[currentBufferLength++] = currentSequence[j];\n      }\n    }\n    lzwState.nextCode = nextCode;\n    lzwState.codeLength = codeLength;\n    lzwState.prevCode = prevCode;\n    lzwState.currentSequenceLength = currentSequenceLength;\n\n    this.bufferLength = currentBufferLength;\n  };\n\n  return LZWStream;\n})();\n\nvar NullStream = (function NullStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullStream() {\n    Stream.call(this, new Uint8Array(0));\n  }\n\n  NullStream.prototype = Stream.prototype;\n\n  return NullStream;\n})();\n\nexport {\n  Ascii85Stream,\n  AsciiHexStream,\n  DecryptStream,\n  DecodeStream,\n  FlateStream,\n  NullStream,\n  PredictorStream,\n  RunLengthStream,\n  Stream,\n  StreamsSequenceStream,\n  StringStream,\n  LZWStream,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Dict, isDict } from \"./primitives.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\nimport { DecodeStream } from \"./stream.js\";\n\nvar CCITTFaxStream = (function CCITTFaxStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxStream(str, maybeLength, params) {\n    this.str = str;\n    this.dict = str.dict;\n\n    if (!isDict(params)) {\n      params = Dict.empty;\n    }\n\n    const source = {\n      next() {\n        return str.getByte();\n      },\n    };\n    this.ccittFaxDecoder = new CCITTFaxDecoder(source, {\n      K: params.get(\"K\"),\n      EndOfLine: params.get(\"EndOfLine\"),\n      EncodedByteAlign: params.get(\"EncodedByteAlign\"),\n      Columns: params.get(\"Columns\"),\n      Rows: params.get(\"Rows\"),\n      EndOfBlock: params.get(\"EndOfBlock\"),\n      BlackIs1: params.get(\"BlackIs1\"),\n    });\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  CCITTFaxStream.prototype = Object.create(DecodeStream.prototype);\n\n  CCITTFaxStream.prototype.readBlock = function () {\n    while (!this.eof) {\n      const c = this.ccittFaxDecoder.readNextChar();\n      if (c === -1) {\n        this.eof = true;\n        return;\n      }\n      this.ensureBuffer(this.bufferLength + 1);\n      this.buffer[this.bufferLength++] = c;\n    }\n  };\n\n  return CCITTFaxStream;\n})();\n\nexport { CCITTFaxStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The CCITT stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\n/**\n * @typedef {Object} CCITTFaxDecoderSource\n * @property {function} next - Method that return one byte of data for decoding,\n *   or -1 when EOF is reached.\n */\n\nimport { info } from \"../shared/util.js\";\n\nconst CCITTFaxDecoder = (function CCITTFaxDecoder() {\n  const ccittEOL = -2;\n  const ccittEOF = -1;\n  const twoDimPass = 0;\n  const twoDimHoriz = 1;\n  const twoDimVert0 = 2;\n  const twoDimVertR1 = 3;\n  const twoDimVertL1 = 4;\n  const twoDimVertR2 = 5;\n  const twoDimVertL2 = 6;\n  const twoDimVertR3 = 7;\n  const twoDimVertL3 = 8;\n\n  // prettier-ignore\n  const twoDimTable = [\n    [-1, -1], [-1, -1],                   // 000000x\n    [7, twoDimVertL3],                    // 0000010\n    [7, twoDimVertR3],                    // 0000011\n    [6, twoDimVertL2], [6, twoDimVertL2], // 000010x\n    [6, twoDimVertR2], [6, twoDimVertR2], // 000011x\n    [4, twoDimPass], [4, twoDimPass],     // 0001xxx\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [3, twoDimHoriz], [3, twoDimHoriz],   // 001xxxx\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [1, twoDimVert0], [1, twoDimVert0],   // 1xxxxxx\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0]\n  ];\n\n  // prettier-ignore\n  const whiteTable1 = [\n    [-1, -1],                               // 00000\n    [12, ccittEOL],                         // 00001\n    [-1, -1], [-1, -1],                     // 0001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx\n    [11, 1792], [11, 1792],                 // 1000x\n    [12, 1984],                             // 10010\n    [12, 2048],                             // 10011\n    [12, 2112],                             // 10100\n    [12, 2176],                             // 10101\n    [12, 2240],                             // 10110\n    [12, 2304],                             // 10111\n    [11, 1856], [11, 1856],                 // 1100x\n    [11, 1920], [11, 1920],                 // 1101x\n    [12, 2368],                             // 11100\n    [12, 2432],                             // 11101\n    [12, 2496],                             // 11110\n    [12, 2560]                              // 11111\n  ];\n\n  // prettier-ignore\n  const whiteTable2 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],     // 0000000xx\n    [8, 29], [8, 29],                           // 00000010x\n    [8, 30], [8, 30],                           // 00000011x\n    [8, 45], [8, 45],                           // 00000100x\n    [8, 46], [8, 46],                           // 00000101x\n    [7, 22], [7, 22], [7, 22], [7, 22],         // 0000011xx\n    [7, 23], [7, 23], [7, 23], [7, 23],         // 0000100xx\n    [8, 47], [8, 47],                           // 00001010x\n    [8, 48], [8, 48],                           // 00001011x\n    [6, 13], [6, 13], [6, 13], [6, 13],         // 000011xxx\n    [6, 13], [6, 13], [6, 13], [6, 13],\n    [7, 20], [7, 20], [7, 20], [7, 20],         // 0001000xx\n    [8, 33], [8, 33],                           // 00010010x\n    [8, 34], [8, 34],                           // 00010011x\n    [8, 35], [8, 35],                           // 00010100x\n    [8, 36], [8, 36],                           // 00010101x\n    [8, 37], [8, 37],                           // 00010110x\n    [8, 38], [8, 38],                           // 00010111x\n    [7, 19], [7, 19], [7, 19], [7, 19],         // 0001100xx\n    [8, 31], [8, 31],                           // 00011010x\n    [8, 32], [8, 32],                           // 00011011x\n    [6, 1], [6, 1], [6, 1], [6, 1],             // 000111xxx\n    [6, 1], [6, 1], [6, 1], [6, 1],\n    [6, 12], [6, 12], [6, 12], [6, 12],         // 001000xxx\n    [6, 12], [6, 12], [6, 12], [6, 12],\n    [8, 53], [8, 53],                           // 00100100x\n    [8, 54], [8, 54],                           // 00100101x\n    [7, 26], [7, 26], [7, 26], [7, 26],         // 0010011xx\n    [8, 39], [8, 39],                           // 00101000x\n    [8, 40], [8, 40],                           // 00101001x\n    [8, 41], [8, 41],                           // 00101010x\n    [8, 42], [8, 42],                           // 00101011x\n    [8, 43], [8, 43],                           // 00101100x\n    [8, 44], [8, 44],                           // 00101101x\n    [7, 21], [7, 21], [7, 21], [7, 21],         // 0010111xx\n    [7, 28], [7, 28], [7, 28], [7, 28],         // 0011000xx\n    [8, 61], [8, 61],                           // 00110010x\n    [8, 62], [8, 62],                           // 00110011x\n    [8, 63], [8, 63],                           // 00110100x\n    [8, 0], [8, 0],                             // 00110101x\n    [8, 320], [8, 320],                         // 00110110x\n    [8, 384], [8, 384],                         // 00110111x\n    [5, 10], [5, 10], [5, 10], [5, 10],         // 00111xxxx\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 11], [5, 11], [5, 11], [5, 11],         // 01000xxxx\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [7, 27], [7, 27], [7, 27], [7, 27],         // 0100100xx\n    [8, 59], [8, 59],                           // 01001010x\n    [8, 60], [8, 60],                           // 01001011x\n    [9, 1472],                                  // 010011000\n    [9, 1536],                                  // 010011001\n    [9, 1600],                                  // 010011010\n    [9, 1728],                                  // 010011011\n    [7, 18], [7, 18], [7, 18], [7, 18],         // 0100111xx\n    [7, 24], [7, 24], [7, 24], [7, 24],         // 0101000xx\n    [8, 49], [8, 49],                           // 01010010x\n    [8, 50], [8, 50],                           // 01010011x\n    [8, 51], [8, 51],                           // 01010100x\n    [8, 52], [8, 52],                           // 01010101x\n    [7, 25], [7, 25], [7, 25], [7, 25],         // 0101011xx\n    [8, 55], [8, 55],                           // 01011000x\n    [8, 56], [8, 56],                           // 01011001x\n    [8, 57], [8, 57],                           // 01011010x\n    [8, 58], [8, 58],                           // 01011011x\n    [6, 192], [6, 192], [6, 192], [6, 192],     // 010111xxx\n    [6, 192], [6, 192], [6, 192], [6, 192],\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664],\n    [8, 448], [8, 448],                         // 01100100x\n    [8, 512], [8, 512],                         // 01100101x\n    [9, 704],                                   // 011001100\n    [9, 768],                                   // 011001101\n    [8, 640], [8, 640],                         // 01100111x\n    [8, 576], [8, 576],                         // 01101000x\n    [9, 832],                                   // 011010010\n    [9, 896],                                   // 011010011\n    [9, 960],                                   // 011010100\n    [9, 1024],                                  // 011010101\n    [9, 1088],                                  // 011010110\n    [9, 1152],                                  // 011010111\n    [9, 1216],                                  // 011011000\n    [9, 1280],                                  // 011011001\n    [9, 1344],                                  // 011011010\n    [9, 1408],                                  // 011011011\n    [7, 256], [7, 256], [7, 256], [7, 256],     // 0110111xx\n    [4, 2], [4, 2], [4, 2], [4, 2],             // 0111xxxxx\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 3], [4, 3], [4, 3], [4, 3],             // 1000xxxxx\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [5, 128], [5, 128], [5, 128], [5, 128],     // 10010xxxx\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 8], [5, 8], [5, 8], [5, 8],             // 10011xxxx\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 9], [5, 9], [5, 9], [5, 9],             // 10100xxxx\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [6, 16], [6, 16], [6, 16], [6, 16],         // 101010xxx\n    [6, 16], [6, 16], [6, 16], [6, 16],\n    [6, 17], [6, 17], [6, 17], [6, 17],         // 101011xxx\n    [6, 17], [6, 17], [6, 17], [6, 17],\n    [4, 4], [4, 4], [4, 4], [4, 4],             // 1011xxxxx\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 5], [4, 5], [4, 5], [4, 5],             // 1100xxxxx\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [6, 14], [6, 14], [6, 14], [6, 14],         // 110100xxx\n    [6, 14], [6, 14], [6, 14], [6, 14],\n    [6, 15], [6, 15], [6, 15], [6, 15],         // 110101xxx\n    [6, 15], [6, 15], [6, 15], [6, 15],\n    [5, 64], [5, 64], [5, 64], [5, 64],         // 11011xxxx\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [4, 6], [4, 6], [4, 6], [4, 6],             // 1110xxxxx\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 7], [4, 7], [4, 7], [4, 7],             // 1111xxxxx\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7]\n  ];\n\n  // prettier-ignore\n  const blackTable1 = [\n    [-1, -1], [-1, -1],                             // 000000000000x\n    [12, ccittEOL], [12, ccittEOL],                 // 000000000001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000011xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000100xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000101xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000110xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000111xx\n    [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx\n    [12, 1984], [12, 1984],                         // 000000010010x\n    [12, 2048], [12, 2048],                         // 000000010011x\n    [12, 2112], [12, 2112],                         // 000000010100x\n    [12, 2176], [12, 2176],                         // 000000010101x\n    [12, 2240], [12, 2240],                         // 000000010110x\n    [12, 2304], [12, 2304],                         // 000000010111x\n    [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx\n    [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx\n    [12, 2368], [12, 2368],                         // 000000011100x\n    [12, 2432], [12, 2432],                         // 000000011101x\n    [12, 2496], [12, 2496],                         // 000000011110x\n    [12, 2560], [12, 2560],                         // 000000011111x\n    [10, 18], [10, 18], [10, 18], [10, 18],         // 0000001000xxx\n    [10, 18], [10, 18], [10, 18], [10, 18],\n    [12, 52], [12, 52],                             // 000000100100x\n    [13, 640],                                      // 0000001001010\n    [13, 704],                                      // 0000001001011\n    [13, 768],                                      // 0000001001100\n    [13, 832],                                      // 0000001001101\n    [12, 55], [12, 55],                             // 000000100111x\n    [12, 56], [12, 56],                             // 000000101000x\n    [13, 1280],                                     // 0000001010010\n    [13, 1344],                                     // 0000001010011\n    [13, 1408],                                     // 0000001010100\n    [13, 1472],                                     // 0000001010101\n    [12, 59], [12, 59],                             // 000000101011x\n    [12, 60], [12, 60],                             // 000000101100x\n    [13, 1536],                                     // 0000001011010\n    [13, 1600],                                     // 0000001011011\n    [11, 24], [11, 24], [11, 24], [11, 24],         // 00000010111xx\n    [11, 25], [11, 25], [11, 25], [11, 25],         // 00000011000xx\n    [13, 1664],                                     // 0000001100100\n    [13, 1728],                                     // 0000001100101\n    [12, 320], [12, 320],                           // 000000110011x\n    [12, 384], [12, 384],                           // 000000110100x\n    [12, 448], [12, 448],                           // 000000110101x\n    [13, 512],                                      // 0000001101100\n    [13, 576],                                      // 0000001101101\n    [12, 53], [12, 53],                             // 000000110111x\n    [12, 54], [12, 54],                             // 000000111000x\n    [13, 896],                                      // 0000001110010\n    [13, 960],                                      // 0000001110011\n    [13, 1024],                                     // 0000001110100\n    [13, 1088],                                     // 0000001110101\n    [13, 1152],                                     // 0000001110110\n    [13, 1216],                                     // 0000001110111\n    [10, 64], [10, 64], [10, 64], [10, 64],         // 0000001111xxx\n    [10, 64], [10, 64], [10, 64], [10, 64]\n  ];\n\n  // prettier-ignore\n  const blackTable2 = [\n    [8, 13], [8, 13], [8, 13], [8, 13],     // 00000100xxxx\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [11, 23], [11, 23],                     // 00000101000x\n    [12, 50],                               // 000001010010\n    [12, 51],                               // 000001010011\n    [12, 44],                               // 000001010100\n    [12, 45],                               // 000001010101\n    [12, 46],                               // 000001010110\n    [12, 47],                               // 000001010111\n    [12, 57],                               // 000001011000\n    [12, 58],                               // 000001011001\n    [12, 61],                               // 000001011010\n    [12, 256],                              // 000001011011\n    [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx\n    [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx\n    [12, 48],                               // 000001100100\n    [12, 49],                               // 000001100101\n    [12, 62],                               // 000001100110\n    [12, 63],                               // 000001100111\n    [12, 30],                               // 000001101000\n    [12, 31],                               // 000001101001\n    [12, 32],                               // 000001101010\n    [12, 33],                               // 000001101011\n    [12, 40],                               // 000001101100\n    [12, 41],                               // 000001101101\n    [11, 22], [11, 22],                     // 00000110111x\n    [8, 14], [8, 14], [8, 14], [8, 14],     // 00000111xxxx\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [7, 10], [7, 10], [7, 10], [7, 10],     // 0000100xxxxx\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 11], [7, 11], [7, 11], [7, 11],     // 0000101xxxxx\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [9, 15], [9, 15], [9, 15], [9, 15],     // 000011000xxx\n    [9, 15], [9, 15], [9, 15], [9, 15],\n    [12, 128],                              // 000011001000\n    [12, 192],                              // 000011001001\n    [12, 26],                               // 000011001010\n    [12, 27],                               // 000011001011\n    [12, 28],                               // 000011001100\n    [12, 29],                               // 000011001101\n    [11, 19], [11, 19],                     // 00001100111x\n    [11, 20], [11, 20],                     // 00001101000x\n    [12, 34],                               // 000011010010\n    [12, 35],                               // 000011010011\n    [12, 36],                               // 000011010100\n    [12, 37],                               // 000011010101\n    [12, 38],                               // 000011010110\n    [12, 39],                               // 000011010111\n    [11, 21], [11, 21],                     // 00001101100x\n    [12, 42],                               // 000011011010\n    [12, 43],                               // 000011011011\n    [10, 0], [10, 0], [10, 0], [10, 0],     // 0000110111xx\n    [7, 12], [7, 12], [7, 12], [7, 12],     // 0000111xxxxx\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12]\n  ];\n\n  // prettier-ignore\n  const blackTable3 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx\n    [6, 9],                                 // 000100\n    [6, 8],                                 // 000101\n    [5, 7], [5, 7],                         // 00011x\n    [4, 6], [4, 6], [4, 6], [4, 6],         // 0010xx\n    [4, 5], [4, 5], [4, 5], [4, 5],         // 0011xx\n    [3, 1], [3, 1], [3, 1], [3, 1],         // 010xxx\n    [3, 1], [3, 1], [3, 1], [3, 1],\n    [3, 4], [3, 4], [3, 4], [3, 4],         // 011xxx\n    [3, 4], [3, 4], [3, 4], [3, 4],\n    [2, 3], [2, 3], [2, 3], [2, 3],         // 10xxxx\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 2], [2, 2], [2, 2], [2, 2],         // 11xxxx\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2]\n  ];\n\n  /**\n   * @param {CCITTFaxDecoderSource} source - The data which should be decoded.\n   * @param {Object} [options] - Decoding options.\n   */\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxDecoder(source, options = {}) {\n    if (!source || typeof source.next !== \"function\") {\n      throw new Error('CCITTFaxDecoder - invalid \"source\" parameter.');\n    }\n    this.source = source;\n    this.eof = false;\n\n    this.encoding = options.K || 0;\n    this.eoline = options.EndOfLine || false;\n    this.byteAlign = options.EncodedByteAlign || false;\n    this.columns = options.Columns || 1728;\n    this.rows = options.Rows || 0;\n    let eoblock = options.EndOfBlock;\n    if (eoblock === null || eoblock === undefined) {\n      eoblock = true;\n    }\n    this.eoblock = eoblock;\n    this.black = options.BlackIs1 || false;\n\n    this.codingLine = new Uint32Array(this.columns + 1);\n    this.refLine = new Uint32Array(this.columns + 2);\n\n    this.codingLine[0] = this.columns;\n    this.codingPos = 0;\n\n    this.row = 0;\n    this.nextLine2D = this.encoding < 0;\n    this.inputBits = 0;\n    this.inputBuf = 0;\n    this.outputBits = 0;\n    this.rowsDone = false;\n\n    let code1;\n    while ((code1 = this._lookBits(12)) === 0) {\n      this._eatBits(1);\n    }\n    if (code1 === 1) {\n      this._eatBits(12);\n    }\n    if (this.encoding > 0) {\n      this.nextLine2D = !this._lookBits(1);\n      this._eatBits(1);\n    }\n  }\n\n  CCITTFaxDecoder.prototype = {\n    readNextChar() {\n      if (this.eof) {\n        return -1;\n      }\n      const refLine = this.refLine;\n      const codingLine = this.codingLine;\n      const columns = this.columns;\n\n      let refPos, blackPixels, bits, i;\n\n      if (this.outputBits === 0) {\n        if (this.rowsDone) {\n          this.eof = true;\n        }\n        if (this.eof) {\n          return -1;\n        }\n        this.err = false;\n\n        let code1, code2, code3;\n        if (this.nextLine2D) {\n          for (i = 0; codingLine[i] < columns; ++i) {\n            refLine[i] = codingLine[i];\n          }\n          refLine[i++] = columns;\n          refLine[i] = columns;\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          refPos = 0;\n          blackPixels = 0;\n\n          while (codingLine[this.codingPos] < columns) {\n            code1 = this._getTwoDimCode();\n            switch (code1) {\n              case twoDimPass:\n                this._addPixels(refLine[refPos + 1], blackPixels);\n                if (refLine[refPos + 1] < columns) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimHoriz:\n                code1 = code2 = 0;\n                if (blackPixels) {\n                  do {\n                    code1 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                } else {\n                  do {\n                    code1 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                }\n                this._addPixels(\n                  codingLine[this.codingPos] + code1,\n                  blackPixels\n                );\n                if (codingLine[this.codingPos] < columns) {\n                  this._addPixels(\n                    codingLine[this.codingPos] + code2,\n                    blackPixels ^ 1\n                  );\n                }\n                while (\n                  refLine[refPos] <= codingLine[this.codingPos] &&\n                  refLine[refPos] < columns\n                ) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimVertR3:\n                this._addPixels(refLine[refPos] + 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR2:\n                this._addPixels(refLine[refPos] + 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR1:\n                this._addPixels(refLine[refPos] + 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVert0:\n                this._addPixels(refLine[refPos], blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL3:\n                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL2:\n                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL1:\n                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case ccittEOF:\n                this._addPixels(columns, 0);\n                this.eof = true;\n                break;\n              default:\n                info(\"bad 2d code\");\n                this._addPixels(columns, 0);\n                this.err = true;\n            }\n          }\n        } else {\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          blackPixels = 0;\n          while (codingLine[this.codingPos] < columns) {\n            code1 = 0;\n            if (blackPixels) {\n              do {\n                code1 += code3 = this._getBlackCode();\n              } while (code3 >= 64);\n            } else {\n              do {\n                code1 += code3 = this._getWhiteCode();\n              } while (code3 >= 64);\n            }\n            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);\n            blackPixels ^= 1;\n          }\n        }\n\n        let gotEOL = false;\n\n        if (this.byteAlign) {\n          this.inputBits &= ~7;\n        }\n\n        if (!this.eoblock && this.row === this.rows - 1) {\n          this.rowsDone = true;\n        } else {\n          code1 = this._lookBits(12);\n          if (this.eoline) {\n            while (code1 !== ccittEOF && code1 !== 1) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          } else {\n            while (code1 === 0) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          }\n          if (code1 === 1) {\n            this._eatBits(12);\n            gotEOL = true;\n          } else if (code1 === ccittEOF) {\n            this.eof = true;\n          }\n        }\n\n        if (!this.eof && this.encoding > 0 && !this.rowsDone) {\n          this.nextLine2D = !this._lookBits(1);\n          this._eatBits(1);\n        }\n\n        if (this.eoblock && gotEOL && this.byteAlign) {\n          code1 = this._lookBits(12);\n          if (code1 === 1) {\n            this._eatBits(12);\n            if (this.encoding > 0) {\n              this._lookBits(1);\n              this._eatBits(1);\n            }\n            if (this.encoding >= 0) {\n              for (i = 0; i < 4; ++i) {\n                code1 = this._lookBits(12);\n                if (code1 !== 1) {\n                  info(\"bad rtc code: \" + code1);\n                }\n                this._eatBits(12);\n                if (this.encoding > 0) {\n                  this._lookBits(1);\n                  this._eatBits(1);\n                }\n              }\n            }\n            this.eof = true;\n          }\n        } else if (this.err && this.eoline) {\n          while (true) {\n            code1 = this._lookBits(13);\n            if (code1 === ccittEOF) {\n              this.eof = true;\n              return -1;\n            }\n            if (code1 >> 1 === 1) {\n              break;\n            }\n            this._eatBits(1);\n          }\n          this._eatBits(12);\n          if (this.encoding > 0) {\n            this._eatBits(1);\n            this.nextLine2D = !(code1 & 1);\n          }\n        }\n\n        if (codingLine[0] > 0) {\n          this.outputBits = codingLine[(this.codingPos = 0)];\n        } else {\n          this.outputBits = codingLine[(this.codingPos = 1)];\n        }\n        this.row++;\n      }\n\n      let c;\n      if (this.outputBits >= 8) {\n        c = this.codingPos & 1 ? 0 : 0xff;\n        this.outputBits -= 8;\n        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {\n          this.codingPos++;\n          this.outputBits =\n            codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n        }\n      } else {\n        bits = 8;\n        c = 0;\n        do {\n          if (this.outputBits > bits) {\n            c <<= bits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - bits);\n            }\n            this.outputBits -= bits;\n            bits = 0;\n          } else {\n            c <<= this.outputBits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - this.outputBits);\n            }\n            bits -= this.outputBits;\n            this.outputBits = 0;\n            if (codingLine[this.codingPos] < columns) {\n              this.codingPos++;\n              this.outputBits =\n                codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n            } else if (bits > 0) {\n              c <<= bits;\n              bits = 0;\n            }\n          }\n        } while (bits);\n      }\n      if (this.black) {\n        c ^= 0xff;\n      }\n      return c;\n    },\n\n    /**\n     * @private\n     */\n    _addPixels(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      }\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * @private\n     */\n    _addPixelsNeg(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      } else if (a1 < codingLine[codingPos]) {\n        if (a1 < 0) {\n          info(\"invalid code\");\n          this.err = true;\n          a1 = 0;\n        }\n        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {\n          --codingPos;\n        }\n        codingLine[codingPos] = a1;\n      }\n\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * This function returns the code found from the table.\n     * The start and end parameters set the boundaries for searching the table.\n     * The limit parameter is optional. Function returns an array with three\n     * values. The first array element indicates whether a valid code is being\n     * returned. The second array element is the actual code. The third array\n     * element indicates whether EOF was reached.\n     * @private\n     */\n    _findTableCode(start, end, table, limit) {\n      const limitValue = limit || 0;\n      for (let i = start; i <= end; ++i) {\n        let code = this._lookBits(i);\n        if (code === ccittEOF) {\n          return [true, 1, false];\n        }\n        if (i < end) {\n          code <<= end - i;\n        }\n        if (!limitValue || code >= limitValue) {\n          const p = table[code - limitValue];\n          if (p[0] === i) {\n            this._eatBits(i);\n            return [true, p[1], true];\n          }\n        }\n      }\n      return [false, 0, false];\n    },\n\n    /**\n     * @private\n     */\n    _getTwoDimCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(7);\n        p = twoDimTable[code];\n        if (p && p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        const result = this._findTableCode(1, 7, twoDimTable);\n        if (result[0] && result[2]) {\n          return result[1];\n        }\n      }\n      info(\"Bad two dim code\");\n      return ccittEOF;\n    },\n\n    /**\n     * @private\n     */\n    _getWhiteCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(12);\n        if (code === ccittEOF) {\n          return 1;\n        }\n\n        if (code >> 5 === 0) {\n          p = whiteTable1[code];\n        } else {\n          p = whiteTable2[code >> 3];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(1, 9, whiteTable2);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(11, 12, whiteTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad white code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _getBlackCode() {\n      let code, p;\n      if (this.eoblock) {\n        code = this._lookBits(13);\n        if (code === ccittEOF) {\n          return 1;\n        }\n        if (code >> 7 === 0) {\n          p = blackTable1[code];\n        } else if (code >> 9 === 0 && code >> 7 !== 0) {\n          p = blackTable2[(code >> 1) - 64];\n        } else {\n          p = blackTable3[code >> 7];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(2, 6, blackTable3);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(7, 12, blackTable2, 64);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(10, 13, blackTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad black code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _lookBits(n) {\n      let c;\n      while (this.inputBits < n) {\n        if ((c = this.source.next()) === -1) {\n          if (this.inputBits === 0) {\n            return ccittEOF;\n          }\n          return (this.inputBuf << (n - this.inputBits)) & (0xffff >> (16 - n));\n        }\n        this.inputBuf = (this.inputBuf << 8) | c;\n        this.inputBits += 8;\n      }\n      return (this.inputBuf >> (this.inputBits - n)) & (0xffff >> (16 - n));\n    },\n\n    /**\n     * @private\n     */\n    _eatBits(n) {\n      if ((this.inputBits -= n) < 0) {\n        this.inputBits = 0;\n      }\n    },\n  };\n\n  return CCITTFaxDecoder;\n})();\n\nexport { CCITTFaxDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { isDict, isStream } from \"./primitives.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { Jbig2Image } from \"./jbig2.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JBIG2's we use a library to decode these images and\n * the stream behaves like all the other DecodeStreams.\n */\nconst Jbig2Stream = (function Jbig2StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Jbig2Stream(stream, maybeLength, dict, params) {\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  Jbig2Stream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(Jbig2Stream.prototype, \"bytes\", {\n    get() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  Jbig2Stream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  Jbig2Stream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jbig2Image = new Jbig2Image();\n\n    const chunks = [];\n    if (isDict(this.params)) {\n      const globalsStream = this.params.get(\"JBIG2Globals\");\n      if (isStream(globalsStream)) {\n        const globals = globalsStream.getBytes();\n        chunks.push({ data: globals, start: 0, end: globals.length });\n      }\n    }\n    chunks.push({ data: this.bytes, start: 0, end: this.bytes.length });\n    const data = jbig2Image.parseChunks(chunks);\n    const dataLength = data.length;\n\n    // JBIG2 had black as 1 and white as 0, inverting the colors\n    for (let i = 0; i < dataLength; i++) {\n      data[i] ^= 0xff;\n    }\n    this.buffer = data;\n    this.bufferLength = dataLength;\n    this.eof = true;\n  };\n\n  return Jbig2Stream;\n})();\n\nexport { Jbig2Stream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, shadow } from \"../shared/util.js\";\nimport { log2, readInt8, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\n\nclass Jbig2Error extends BaseException {\n  constructor(msg) {\n    super(`JBIG2 error: ${msg}`);\n  }\n}\n\nvar Jbig2Image = (function Jbig2ImageClosure() {\n  // Utility data structures\n  function ContextCache() {}\n\n  ContextCache.prototype = {\n    getContexts(id) {\n      if (id in this) {\n        return this[id];\n      }\n      return (this[id] = new Int8Array(1 << 16));\n    },\n  };\n\n  function DecodingContext(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n  }\n\n  DecodingContext.prototype = {\n    get decoder() {\n      var decoder = new ArithmeticDecoder(this.data, this.start, this.end);\n      return shadow(this, \"decoder\", decoder);\n    },\n    get contextCache() {\n      var cache = new ContextCache();\n      return shadow(this, \"contextCache\", cache);\n    },\n  };\n\n  // Annex A. Arithmetic Integer Decoding Procedure\n  // A.2 Procedure for decoding values\n  function decodeInteger(contextCache, procedure, decoder) {\n    var contexts = contextCache.getContexts(procedure);\n    var prev = 1;\n\n    function readBits(length) {\n      var v = 0;\n      for (var i = 0; i < length; i++) {\n        var bit = decoder.readBit(contexts, prev);\n        prev =\n          prev < 256 ? (prev << 1) | bit : (((prev << 1) | bit) & 511) | 256;\n        v = (v << 1) | bit;\n      }\n      return v >>> 0;\n    }\n\n    var sign = readBits(1);\n    // prettier-ignore\n    /* eslint-disable no-nested-ternary */\n    var value = readBits(1) ?\n                  (readBits(1) ?\n                    (readBits(1) ?\n                      (readBits(1) ?\n                        (readBits(1) ?\n                          (readBits(32) + 4436) :\n                        readBits(12) + 340) :\n                      readBits(8) + 84) :\n                    readBits(6) + 20) :\n                  readBits(4) + 4) :\n                readBits(2);\n    /* eslint-enable no-nested-ternary */\n    if (sign === 0) {\n      return value;\n    } else if (value > 0) {\n      return -value;\n    }\n    return null;\n  }\n\n  // A.3 The IAID decoding procedure\n  function decodeIAID(contextCache, decoder, codeLength) {\n    var contexts = contextCache.getContexts(\"IAID\");\n\n    var prev = 1;\n    for (var i = 0; i < codeLength; i++) {\n      var bit = decoder.readBit(contexts, prev);\n      prev = (prev << 1) | bit;\n    }\n    if (codeLength < 31) {\n      return prev & ((1 << codeLength) - 1);\n    }\n    return prev & 0x7fffffff;\n  }\n\n  // 7.3 Segment types\n  var SegmentTypes = [\n    \"SymbolDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateTextRegion\",\n    null,\n    \"ImmediateTextRegion\",\n    \"ImmediateLosslessTextRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"PatternDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateHalftoneRegion\",\n    null,\n    \"ImmediateHalftoneRegion\",\n    \"ImmediateLosslessHalftoneRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"IntermediateGenericRegion\",\n    null,\n    \"ImmediateGenericRegion\",\n    \"ImmediateLosslessGenericRegion\",\n    \"IntermediateGenericRefinementRegion\",\n    null,\n    \"ImmediateGenericRefinementRegion\",\n    \"ImmediateLosslessGenericRefinementRegion\",\n    null,\n    null,\n    null,\n    null,\n    \"PageInformation\",\n    \"EndOfPage\",\n    \"EndOfStripe\",\n    \"EndOfFile\",\n    \"Profiles\",\n    \"Tables\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"Extension\",\n  ];\n\n  var CodingTemplates = [\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: 2, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -3, y: -1 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n  ];\n\n  var RefinementTemplates = [\n    {\n      coding: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: -1, y: 1 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n    {\n      coding: [\n        { x: -1, y: -1 },\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n  ];\n\n  // See 6.2.5.7 Decoding the bitmap.\n  var ReusedContexts = [\n    0x9b25, // 10011 0110010 0101\n    0x0795, // 0011 110010 101\n    0x00e5, // 001 11001 01\n    0x0195, // 011001 0101\n  ];\n\n  var RefinementReusedContexts = [\n    0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference)\n    0x0008, // '0000' + '001000'\n  ];\n\n  function decodeBitmapTemplate0(width, height, decodingContext) {\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n    var contextLabel,\n      i,\n      j,\n      pixel,\n      row,\n      row1,\n      row2,\n      bitmap = [];\n\n    // ...ooooo....\n    // ..ooooooo... Context template for current pixel (X)\n    // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel)\n    var OLD_PIXEL_MASK = 0x7bf7; // 01111 0111111 0111\n\n    for (i = 0; i < height; i++) {\n      row = bitmap[i] = new Uint8Array(width);\n      row1 = i < 1 ? row : bitmap[i - 1];\n      row2 = i < 2 ? row : bitmap[i - 2];\n\n      // At the beginning of each row:\n      // Fill contextLabel with pixels that are above/right of (X)\n      contextLabel =\n        (row2[0] << 13) |\n        (row2[1] << 12) |\n        (row2[2] << 11) |\n        (row1[0] << 7) |\n        (row1[1] << 6) |\n        (row1[2] << 5) |\n        (row1[3] << 4);\n\n      for (j = 0; j < width; j++) {\n        row[j] = pixel = decoder.readBit(contexts, contextLabel);\n\n        // At each pixel: Clear contextLabel pixels that are shifted\n        // out of the context, then add new ones.\n        contextLabel =\n          ((contextLabel & OLD_PIXEL_MASK) << 1) |\n          (j + 3 < width ? row2[j + 3] << 11 : 0) |\n          (j + 4 < width ? row1[j + 4] << 4 : 0) |\n          pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.2 Generic Region Decoding Procedure\n  function decodeBitmap(\n    mmr,\n    width,\n    height,\n    templateIndex,\n    prediction,\n    skip,\n    at,\n    decodingContext\n  ) {\n    if (mmr) {\n      const input = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n      return decodeMMRBitmap(input, width, height, false);\n    }\n\n    // Use optimized version for the most common case\n    if (\n      templateIndex === 0 &&\n      !skip &&\n      !prediction &&\n      at.length === 4 &&\n      at[0].x === 3 &&\n      at[0].y === -1 &&\n      at[1].x === -3 &&\n      at[1].y === -1 &&\n      at[2].x === 2 &&\n      at[2].y === -2 &&\n      at[3].x === -2 &&\n      at[3].y === -2\n    ) {\n      return decodeBitmapTemplate0(width, height, decodingContext);\n    }\n\n    var useskip = !!skip;\n    var template = CodingTemplates[templateIndex].concat(at);\n\n    // Sorting is non-standard, and it is not required. But sorting increases\n    // the number of template bits that can be reused from the previous\n    // contextLabel in the main loop.\n    template.sort(function (a, b) {\n      return a.y - b.y || a.x - b.x;\n    });\n\n    var templateLength = template.length;\n    var templateX = new Int8Array(templateLength);\n    var templateY = new Int8Array(templateLength);\n    var changingTemplateEntries = [];\n    var reuseMask = 0,\n      minX = 0,\n      maxX = 0,\n      minY = 0;\n    var c, k;\n\n    for (k = 0; k < templateLength; k++) {\n      templateX[k] = template[k].x;\n      templateY[k] = template[k].y;\n      minX = Math.min(minX, template[k].x);\n      maxX = Math.max(maxX, template[k].x);\n      minY = Math.min(minY, template[k].y);\n      // Check if the template pixel appears in two consecutive context labels,\n      // so it can be reused. Otherwise, we add it to the list of changing\n      // template entries.\n      if (\n        k < templateLength - 1 &&\n        template[k].y === template[k + 1].y &&\n        template[k].x === template[k + 1].x - 1\n      ) {\n        reuseMask |= 1 << (templateLength - 1 - k);\n      } else {\n        changingTemplateEntries.push(k);\n      }\n    }\n    var changingEntriesLength = changingTemplateEntries.length;\n\n    var changingTemplateX = new Int8Array(changingEntriesLength);\n    var changingTemplateY = new Int8Array(changingEntriesLength);\n    var changingTemplateBit = new Uint16Array(changingEntriesLength);\n    for (c = 0; c < changingEntriesLength; c++) {\n      k = changingTemplateEntries[c];\n      changingTemplateX[c] = template[k].x;\n      changingTemplateY[c] = template[k].y;\n      changingTemplateBit[c] = 1 << (templateLength - 1 - k);\n    }\n\n    // Get the safe bounding box edges from the width, height, minX, maxX, minY\n    var sbb_left = -minX;\n    var sbb_top = -minY;\n    var sbb_right = width - maxX;\n\n    var pseudoPixelContext = ReusedContexts[templateIndex];\n    var row = new Uint8Array(width);\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n\n    var ltp = 0,\n      j,\n      i0,\n      j0,\n      contextLabel = 0,\n      bit,\n      shift;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          bitmap.push(row); // duplicate previous row\n          continue;\n        }\n      }\n      row = new Uint8Array(row);\n      bitmap.push(row);\n      for (j = 0; j < width; j++) {\n        if (useskip && skip[i][j]) {\n          row[j] = 0;\n          continue;\n        }\n        // Are we in the middle of a scanline, so we can reuse contextLabel\n        // bits?\n        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {\n          // If yes, we can just shift the bits that are reusable and only\n          // fetch the remaining ones.\n          contextLabel = (contextLabel << 1) & reuseMask;\n          for (k = 0; k < changingEntriesLength; k++) {\n            i0 = i + changingTemplateY[k];\n            j0 = j + changingTemplateX[k];\n            bit = bitmap[i0][j0];\n            if (bit) {\n              bit = changingTemplateBit[k];\n              contextLabel |= bit;\n            }\n          }\n        } else {\n          // compute the contextLabel from scratch\n          contextLabel = 0;\n          shift = templateLength - 1;\n          for (k = 0; k < templateLength; k++, shift--) {\n            j0 = j + templateX[k];\n            if (j0 >= 0 && j0 < width) {\n              i0 = i + templateY[k];\n              if (i0 >= 0) {\n                bit = bitmap[i0][j0];\n                if (bit) {\n                  contextLabel |= bit << shift;\n                }\n              }\n            }\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n    return bitmap;\n  }\n\n  // 6.3.2 Generic Refinement Region Decoding Procedure\n  function decodeRefinement(\n    width,\n    height,\n    templateIndex,\n    referenceBitmap,\n    offsetX,\n    offsetY,\n    prediction,\n    at,\n    decodingContext\n  ) {\n    var codingTemplate = RefinementTemplates[templateIndex].coding;\n    if (templateIndex === 0) {\n      codingTemplate = codingTemplate.concat([at[0]]);\n    }\n    var codingTemplateLength = codingTemplate.length;\n    var codingTemplateX = new Int32Array(codingTemplateLength);\n    var codingTemplateY = new Int32Array(codingTemplateLength);\n    var k;\n    for (k = 0; k < codingTemplateLength; k++) {\n      codingTemplateX[k] = codingTemplate[k].x;\n      codingTemplateY[k] = codingTemplate[k].y;\n    }\n\n    var referenceTemplate = RefinementTemplates[templateIndex].reference;\n    if (templateIndex === 0) {\n      referenceTemplate = referenceTemplate.concat([at[1]]);\n    }\n    var referenceTemplateLength = referenceTemplate.length;\n    var referenceTemplateX = new Int32Array(referenceTemplateLength);\n    var referenceTemplateY = new Int32Array(referenceTemplateLength);\n    for (k = 0; k < referenceTemplateLength; k++) {\n      referenceTemplateX[k] = referenceTemplate[k].x;\n      referenceTemplateY[k] = referenceTemplate[k].y;\n    }\n    var referenceWidth = referenceBitmap[0].length;\n    var referenceHeight = referenceBitmap.length;\n\n    var pseudoPixelContext = RefinementReusedContexts[templateIndex];\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GR\");\n\n    var ltp = 0;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          throw new Jbig2Error(\"prediction is not supported\");\n        }\n      }\n      var row = new Uint8Array(width);\n      bitmap.push(row);\n      for (var j = 0; j < width; j++) {\n        var i0, j0;\n        var contextLabel = 0;\n        for (k = 0; k < codingTemplateLength; k++) {\n          i0 = i + codingTemplateY[k];\n          j0 = j + codingTemplateX[k];\n          if (i0 < 0 || j0 < 0 || j0 >= width) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | bitmap[i0][j0];\n          }\n        }\n        for (k = 0; k < referenceTemplateLength; k++) {\n          i0 = i + referenceTemplateY[k] - offsetY;\n          j0 = j + referenceTemplateX[k] - offsetX;\n          if (\n            i0 < 0 ||\n            i0 >= referenceHeight ||\n            j0 < 0 ||\n            j0 >= referenceWidth\n          ) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0];\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.5.5 Decoding the symbol dictionary\n  function decodeSymbolDictionary(\n    huffman,\n    refinement,\n    symbols,\n    numberOfNewSymbols,\n    numberOfExportedSymbols,\n    huffmanTables,\n    templateIndex,\n    at,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"symbol refinement with Huffman is not supported\");\n    }\n\n    var newSymbols = [];\n    var currentHeight = 0;\n    var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n    let tableB1, symbolWidths;\n    if (huffman) {\n      tableB1 = getStandardTable(1); // standard table B.1\n      symbolWidths = [];\n      symbolCodeLength = Math.max(symbolCodeLength, 1); // 6.5.8.2.3\n    }\n\n    while (newSymbols.length < numberOfNewSymbols) {\n      var deltaHeight = huffman\n        ? huffmanTables.tableDeltaHeight.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADH\", decoder); // 6.5.6\n      currentHeight += deltaHeight;\n      let currentWidth = 0,\n        totalWidth = 0;\n      const firstSymbol = huffman ? symbolWidths.length : 0;\n      while (true) {\n        var deltaWidth = huffman\n          ? huffmanTables.tableDeltaWidth.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADW\", decoder); // 6.5.7\n        if (deltaWidth === null) {\n          break; // OOB\n        }\n        currentWidth += deltaWidth;\n        totalWidth += currentWidth;\n        var bitmap;\n        if (refinement) {\n          // 6.5.8.2 Refinement/aggregate-coded symbol bitmap\n          var numberOfInstances = decodeInteger(contextCache, \"IAAI\", decoder);\n          if (numberOfInstances > 1) {\n            bitmap = decodeTextRegion(\n              huffman,\n              refinement,\n              currentWidth,\n              currentHeight,\n              0,\n              numberOfInstances,\n              1, // strip size\n              symbols.concat(newSymbols),\n              symbolCodeLength,\n              0, // transposed\n              0, // ds offset\n              1, // top left 7.4.3.1.1\n              0, // OR operator\n              huffmanTables,\n              refinementTemplateIndex,\n              refinementAt,\n              decodingContext,\n              0,\n              huffmanInput\n            );\n          } else {\n            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);\n            var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n            var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n            var symbol =\n              symbolId < symbols.length\n                ? symbols[symbolId]\n                : newSymbols[symbolId - symbols.length];\n            bitmap = decodeRefinement(\n              currentWidth,\n              currentHeight,\n              refinementTemplateIndex,\n              symbol,\n              rdx,\n              rdy,\n              false,\n              refinementAt,\n              decodingContext\n            );\n          }\n          newSymbols.push(bitmap);\n        } else if (huffman) {\n          // Store only symbol width and decode a collective bitmap when the\n          // height class is done.\n          symbolWidths.push(currentWidth);\n        } else {\n          // 6.5.8.1 Direct-coded symbol bitmap\n          bitmap = decodeBitmap(\n            false,\n            currentWidth,\n            currentHeight,\n            templateIndex,\n            false,\n            null,\n            at,\n            decodingContext\n          );\n          newSymbols.push(bitmap);\n        }\n      }\n      if (huffman && !refinement) {\n        // 6.5.9 Height class collective bitmap\n        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);\n        huffmanInput.byteAlign();\n        let collectiveBitmap;\n        if (bitmapSize === 0) {\n          // Uncompressed collective bitmap\n          collectiveBitmap = readUncompressedBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight\n          );\n        } else {\n          // MMR collective bitmap\n          const originalEnd = huffmanInput.end;\n          const bitmapEnd = huffmanInput.position + bitmapSize;\n          huffmanInput.end = bitmapEnd;\n          collectiveBitmap = decodeMMRBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight,\n            false\n          );\n          huffmanInput.end = originalEnd;\n          huffmanInput.position = bitmapEnd;\n        }\n        const numberOfSymbolsDecoded = symbolWidths.length;\n        if (firstSymbol === numberOfSymbolsDecoded - 1) {\n          // collectiveBitmap is a single symbol.\n          newSymbols.push(collectiveBitmap);\n        } else {\n          // Divide collectiveBitmap into symbols.\n          let i,\n            y,\n            xMin = 0,\n            xMax,\n            bitmapWidth,\n            symbolBitmap;\n          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {\n            bitmapWidth = symbolWidths[i];\n            xMax = xMin + bitmapWidth;\n            symbolBitmap = [];\n            for (y = 0; y < currentHeight; y++) {\n              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n            }\n            newSymbols.push(symbolBitmap);\n            xMin = xMax;\n          }\n        }\n      }\n    }\n\n    // 6.5.10 Exported symbols\n    var exportedSymbols = [];\n    var flags = [],\n      currentFlag = false;\n    var totalSymbolsLength = symbols.length + numberOfNewSymbols;\n    while (flags.length < totalSymbolsLength) {\n      var runLength = huffman\n        ? tableB1.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAEX\", decoder);\n      while (runLength--) {\n        flags.push(currentFlag);\n      }\n      currentFlag = !currentFlag;\n    }\n    for (var i = 0, ii = symbols.length; i < ii; i++) {\n      if (flags[i]) {\n        exportedSymbols.push(symbols[i]);\n      }\n    }\n    for (var j = 0; j < numberOfNewSymbols; i++, j++) {\n      if (flags[i]) {\n        exportedSymbols.push(newSymbols[j]);\n      }\n    }\n    return exportedSymbols;\n  }\n\n  function decodeTextRegion(\n    huffman,\n    refinement,\n    width,\n    height,\n    defaultPixelValue,\n    numberOfSymbolInstances,\n    stripSize,\n    inputSymbols,\n    symbolCodeLength,\n    transposed,\n    dsOffset,\n    referenceCorner,\n    combinationOperator,\n    huffmanTables,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    logStripSize,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    // Prepare bitmap\n    var bitmap = [];\n    var i, row;\n    for (i = 0; i < height; i++) {\n      row = new Uint8Array(width);\n      if (defaultPixelValue) {\n        for (var j = 0; j < width; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      bitmap.push(row);\n    }\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n\n    var stripT = huffman\n      ? -huffmanTables.tableDeltaT.decode(huffmanInput)\n      : -decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n    var firstS = 0;\n    i = 0;\n    while (i < numberOfSymbolInstances) {\n      var deltaT = huffman\n        ? huffmanTables.tableDeltaT.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n      stripT += deltaT;\n\n      var deltaFirstS = huffman\n        ? huffmanTables.tableFirstS.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAFS\", decoder); // 6.4.7\n      firstS += deltaFirstS;\n      var currentS = firstS;\n      do {\n        let currentT = 0; // 6.4.9\n        if (stripSize > 1) {\n          currentT = huffman\n            ? huffmanInput.readBits(logStripSize)\n            : decodeInteger(contextCache, \"IAIT\", decoder);\n        }\n        var t = stripSize * stripT + currentT;\n        var symbolId = huffman\n          ? huffmanTables.symbolIDTable.decode(huffmanInput)\n          : decodeIAID(contextCache, decoder, symbolCodeLength);\n        var applyRefinement =\n          refinement &&\n          (huffman\n            ? huffmanInput.readBit()\n            : decodeInteger(contextCache, \"IARI\", decoder));\n        var symbolBitmap = inputSymbols[symbolId];\n        var symbolWidth = symbolBitmap[0].length;\n        var symbolHeight = symbolBitmap.length;\n        if (applyRefinement) {\n          var rdw = decodeInteger(contextCache, \"IARDW\", decoder); // 6.4.11.1\n          var rdh = decodeInteger(contextCache, \"IARDH\", decoder); // 6.4.11.2\n          var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n          var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n          symbolWidth += rdw;\n          symbolHeight += rdh;\n          symbolBitmap = decodeRefinement(\n            symbolWidth,\n            symbolHeight,\n            refinementTemplateIndex,\n            symbolBitmap,\n            (rdw >> 1) + rdx,\n            (rdh >> 1) + rdy,\n            false,\n            refinementAt,\n            decodingContext\n          );\n        }\n        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);\n        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);\n        var s2, t2, symbolRow;\n        if (transposed) {\n          // Place Symbol Bitmap from T1,S1\n          for (s2 = 0; s2 < symbolHeight; s2++) {\n            row = bitmap[offsetS + s2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[s2];\n            // To ignore Parts of Symbol bitmap which goes\n            // outside bitmap region\n            var maxWidth = Math.min(width - offsetT, symbolWidth);\n            switch (combinationOperator) {\n              case 0: // OR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] |= symbolRow[t2];\n                }\n                break;\n              case 2: // XOR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] ^= symbolRow[t2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolHeight - 1;\n        } else {\n          for (t2 = 0; t2 < symbolHeight; t2++) {\n            row = bitmap[offsetT + t2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[t2];\n            switch (combinationOperator) {\n              case 0: // OR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] |= symbolRow[s2];\n                }\n                break;\n              case 2: // XOR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] ^= symbolRow[s2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolWidth - 1;\n        }\n        i++;\n        var deltaS = huffman\n          ? huffmanTables.tableDeltaS.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADS\", decoder); // 6.4.8\n        if (deltaS === null) {\n          break; // OOB\n        }\n        currentS += deltaS + dsOffset;\n      } while (true);\n    }\n    return bitmap;\n  }\n\n  function decodePatternDictionary(\n    mmr,\n    patternWidth,\n    patternHeight,\n    maxPatternIndex,\n    template,\n    decodingContext\n  ) {\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: -patternWidth,\n        y: 0,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;\n    const collectiveBitmap = decodeBitmap(\n      mmr,\n      collectiveWidth,\n      patternHeight,\n      template,\n      false,\n      null,\n      at,\n      decodingContext\n    );\n    // Divide collective bitmap into patterns.\n    const patterns = [];\n    for (let i = 0; i <= maxPatternIndex; i++) {\n      const patternBitmap = [];\n      const xMin = patternWidth * i;\n      const xMax = xMin + patternWidth;\n      for (let y = 0; y < patternHeight; y++) {\n        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n      }\n      patterns.push(patternBitmap);\n    }\n    return patterns;\n  }\n\n  function decodeHalftoneRegion(\n    mmr,\n    patterns,\n    template,\n    regionWidth,\n    regionHeight,\n    defaultPixelValue,\n    enableSkip,\n    combinationOperator,\n    gridWidth,\n    gridHeight,\n    gridOffsetX,\n    gridOffsetY,\n    gridVectorX,\n    gridVectorY,\n    decodingContext\n  ) {\n    const skip = null;\n    if (enableSkip) {\n      throw new Jbig2Error(\"skip is not supported\");\n    }\n    if (combinationOperator !== 0) {\n      throw new Jbig2Error(\n        \"operator \" +\n          combinationOperator +\n          \" is not supported in halftone region\"\n      );\n    }\n\n    // Prepare bitmap.\n    const regionBitmap = [];\n    let i, j, row;\n    for (i = 0; i < regionHeight; i++) {\n      row = new Uint8Array(regionWidth);\n      if (defaultPixelValue) {\n        for (j = 0; j < regionWidth; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      regionBitmap.push(row);\n    }\n\n    const numberOfPatterns = patterns.length;\n    const pattern0 = patterns[0];\n    const patternWidth = pattern0[0].length,\n      patternHeight = pattern0.length;\n    const bitsPerValue = log2(numberOfPatterns);\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: template <= 1 ? 3 : 2,\n        y: -1,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    // Annex C. Gray-scale Image Decoding Procedure.\n    const grayScaleBitPlanes = [];\n    let mmrInput, bitmap;\n    if (mmr) {\n      // MMR bit planes are in one continuous stream. Only EOFB codes indicate\n      // the end of each bitmap, so EOFBs must be decoded.\n      mmrInput = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n    }\n    for (i = bitsPerValue - 1; i >= 0; i--) {\n      if (mmr) {\n        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);\n      } else {\n        bitmap = decodeBitmap(\n          false,\n          gridWidth,\n          gridHeight,\n          template,\n          false,\n          skip,\n          at,\n          decodingContext\n        );\n      }\n      grayScaleBitPlanes[i] = bitmap;\n    }\n    // 6.6.5.2 Rendering the patterns.\n    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;\n    for (mg = 0; mg < gridHeight; mg++) {\n      for (ng = 0; ng < gridWidth; ng++) {\n        bit = 0;\n        patternIndex = 0;\n        for (j = bitsPerValue - 1; j >= 0; j--) {\n          bit = grayScaleBitPlanes[j][mg][ng] ^ bit; // Gray decoding\n          patternIndex |= bit << j;\n        }\n        patternBitmap = patterns[patternIndex];\n        x = (gridOffsetX + mg * gridVectorY + ng * gridVectorX) >> 8;\n        y = (gridOffsetY + mg * gridVectorX - ng * gridVectorY) >> 8;\n        // Draw patternBitmap at (x, y).\n        if (\n          x >= 0 &&\n          x + patternWidth <= regionWidth &&\n          y >= 0 &&\n          y + patternHeight <= regionHeight\n        ) {\n          for (i = 0; i < patternHeight; i++) {\n            regionRow = regionBitmap[y + i];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionRow[x + j] |= patternRow[j];\n            }\n          }\n        } else {\n          let regionX, regionY;\n          for (i = 0; i < patternHeight; i++) {\n            regionY = y + i;\n            if (regionY < 0 || regionY >= regionHeight) {\n              continue;\n            }\n            regionRow = regionBitmap[regionY];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionX = x + j;\n              if (regionX >= 0 && regionX < regionWidth) {\n                regionRow[regionX] |= patternRow[j];\n              }\n            }\n          }\n        }\n      }\n    }\n    return regionBitmap;\n  }\n\n  function readSegmentHeader(data, start) {\n    var segmentHeader = {};\n    segmentHeader.number = readUint32(data, start);\n    var flags = data[start + 4];\n    var segmentType = flags & 0x3f;\n    if (!SegmentTypes[segmentType]) {\n      throw new Jbig2Error(\"invalid segment type: \" + segmentType);\n    }\n    segmentHeader.type = segmentType;\n    segmentHeader.typeName = SegmentTypes[segmentType];\n    segmentHeader.deferredNonRetain = !!(flags & 0x80);\n\n    var pageAssociationFieldSize = !!(flags & 0x40);\n    var referredFlags = data[start + 5];\n    var referredToCount = (referredFlags >> 5) & 7;\n    var retainBits = [referredFlags & 31];\n    var position = start + 6;\n    if (referredFlags === 7) {\n      referredToCount = readUint32(data, position - 1) & 0x1fffffff;\n      position += 3;\n      var bytes = (referredToCount + 7) >> 3;\n      retainBits[0] = data[position++];\n      while (--bytes > 0) {\n        retainBits.push(data[position++]);\n      }\n    } else if (referredFlags === 5 || referredFlags === 6) {\n      throw new Jbig2Error(\"invalid referred-to flags\");\n    }\n\n    segmentHeader.retainBits = retainBits;\n\n    let referredToSegmentNumberSize = 4;\n    if (segmentHeader.number <= 256) {\n      referredToSegmentNumberSize = 1;\n    } else if (segmentHeader.number <= 65536) {\n      referredToSegmentNumberSize = 2;\n    }\n    var referredTo = [];\n    var i, ii;\n    for (i = 0; i < referredToCount; i++) {\n      let number;\n      if (referredToSegmentNumberSize === 1) {\n        number = data[position];\n      } else if (referredToSegmentNumberSize === 2) {\n        number = readUint16(data, position);\n      } else {\n        number = readUint32(data, position);\n      }\n      referredTo.push(number);\n      position += referredToSegmentNumberSize;\n    }\n    segmentHeader.referredTo = referredTo;\n    if (!pageAssociationFieldSize) {\n      segmentHeader.pageAssociation = data[position++];\n    } else {\n      segmentHeader.pageAssociation = readUint32(data, position);\n      position += 4;\n    }\n    segmentHeader.length = readUint32(data, position);\n    position += 4;\n\n    if (segmentHeader.length === 0xffffffff) {\n      // 7.2.7 Segment data length, unknown segment length\n      if (segmentType === 38) {\n        // ImmediateGenericRegion\n        var genericRegionInfo = readRegionSegmentInformation(data, position);\n        var genericRegionSegmentFlags =\n          data[position + RegionSegmentInformationFieldLength];\n        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);\n        // searching for the segment end\n        var searchPatternLength = 6;\n        var searchPattern = new Uint8Array(searchPatternLength);\n        if (!genericRegionMmr) {\n          searchPattern[0] = 0xff;\n          searchPattern[1] = 0xac;\n        }\n        searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xff;\n        searchPattern[3] = (genericRegionInfo.height >> 16) & 0xff;\n        searchPattern[4] = (genericRegionInfo.height >> 8) & 0xff;\n        searchPattern[5] = genericRegionInfo.height & 0xff;\n        for (i = position, ii = data.length; i < ii; i++) {\n          var j = 0;\n          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {\n            j++;\n          }\n          if (j === searchPatternLength) {\n            segmentHeader.length = i + searchPatternLength;\n            break;\n          }\n        }\n        if (segmentHeader.length === 0xffffffff) {\n          throw new Jbig2Error(\"segment end was not found\");\n        }\n      } else {\n        throw new Jbig2Error(\"invalid unknown segment length\");\n      }\n    }\n    segmentHeader.headerEnd = position;\n    return segmentHeader;\n  }\n\n  function readSegments(header, data, start, end) {\n    var segments = [];\n    var position = start;\n    while (position < end) {\n      var segmentHeader = readSegmentHeader(data, position);\n      position = segmentHeader.headerEnd;\n      var segment = {\n        header: segmentHeader,\n        data,\n      };\n      if (!header.randomAccess) {\n        segment.start = position;\n        position += segmentHeader.length;\n        segment.end = position;\n      }\n      segments.push(segment);\n      if (segmentHeader.type === 51) {\n        break; // end of file is found\n      }\n    }\n    if (header.randomAccess) {\n      for (var i = 0, ii = segments.length; i < ii; i++) {\n        segments[i].start = position;\n        position += segments[i].header.length;\n        segments[i].end = position;\n      }\n    }\n    return segments;\n  }\n\n  // 7.4.1 Region segment information field\n  function readRegionSegmentInformation(data, start) {\n    return {\n      width: readUint32(data, start),\n      height: readUint32(data, start + 4),\n      x: readUint32(data, start + 8),\n      y: readUint32(data, start + 12),\n      combinationOperator: data[start + 16] & 7,\n    };\n  }\n  var RegionSegmentInformationFieldLength = 17;\n\n  function processSegment(segment, visitor) {\n    var header = segment.header;\n\n    var data = segment.data,\n      position = segment.start,\n      end = segment.end;\n    var args, at, i, atLength;\n    switch (header.type) {\n      case 0: // SymbolDictionary\n        // 7.4.2 Symbol dictionary segment syntax\n        var dictionary = {};\n        var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1\n        dictionary.huffman = !!(dictionaryFlags & 1);\n        dictionary.refinement = !!(dictionaryFlags & 2);\n        dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3;\n        dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3;\n        dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1;\n        dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1;\n        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);\n        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);\n        dictionary.template = (dictionaryFlags >> 10) & 3;\n        dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1;\n        position += 2;\n        if (!dictionary.huffman) {\n          atLength = dictionary.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.at = at;\n        }\n        if (dictionary.refinement && !dictionary.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.refinementAt = at;\n        }\n        dictionary.numberOfExportedSymbols = readUint32(data, position);\n        position += 4;\n        dictionary.numberOfNewSymbols = readUint32(data, position);\n        position += 4;\n        args = [\n          dictionary,\n          header.number,\n          header.referredTo,\n          data,\n          position,\n          end,\n        ];\n        break;\n      case 6: // ImmediateTextRegion\n      case 7: // ImmediateLosslessTextRegion\n        var textRegion = {};\n        textRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var textRegionSegmentFlags = readUint16(data, position);\n        position += 2;\n        textRegion.huffman = !!(textRegionSegmentFlags & 1);\n        textRegion.refinement = !!(textRegionSegmentFlags & 2);\n        textRegion.logStripSize = (textRegionSegmentFlags >> 2) & 3;\n        textRegion.stripSize = 1 << textRegion.logStripSize;\n        textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3;\n        textRegion.transposed = !!(textRegionSegmentFlags & 64);\n        textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3;\n        textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1;\n        textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27;\n        textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1;\n        if (textRegion.huffman) {\n          var textRegionHuffmanFlags = readUint16(data, position);\n          position += 2;\n          textRegion.huffmanFS = textRegionHuffmanFlags & 3;\n          textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3;\n          textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3;\n          textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3;\n          textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3;\n          textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3;\n          textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3;\n          textRegion.huffmanRefinementSizeSelector = !!(\n            textRegionHuffmanFlags & 0x4000\n          );\n        }\n        if (textRegion.refinement && !textRegion.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          textRegion.refinementAt = at;\n        }\n        textRegion.numberOfSymbolInstances = readUint32(data, position);\n        position += 4;\n        args = [textRegion, header.referredTo, data, position, end];\n        break;\n      case 16: // PatternDictionary\n        // 7.4.4. Pattern dictionary segment syntax\n        const patternDictionary = {};\n        const patternDictionaryFlags = data[position++];\n        patternDictionary.mmr = !!(patternDictionaryFlags & 1);\n        patternDictionary.template = (patternDictionaryFlags >> 1) & 3;\n        patternDictionary.patternWidth = data[position++];\n        patternDictionary.patternHeight = data[position++];\n        patternDictionary.maxPatternIndex = readUint32(data, position);\n        position += 4;\n        args = [patternDictionary, header.number, data, position, end];\n        break;\n      case 22: // ImmediateHalftoneRegion\n      case 23: // ImmediateLosslessHalftoneRegion\n        // 7.4.5 Halftone region segment syntax\n        const halftoneRegion = {};\n        halftoneRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        const halftoneRegionFlags = data[position++];\n        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);\n        halftoneRegion.template = (halftoneRegionFlags >> 1) & 3;\n        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);\n        halftoneRegion.combinationOperator = (halftoneRegionFlags >> 4) & 7;\n        halftoneRegion.defaultPixelValue = (halftoneRegionFlags >> 7) & 1;\n        halftoneRegion.gridWidth = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridHeight = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridOffsetX = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridOffsetY = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridVectorX = readUint16(data, position);\n        position += 2;\n        halftoneRegion.gridVectorY = readUint16(data, position);\n        position += 2;\n        args = [halftoneRegion, header.referredTo, data, position, end];\n        break;\n      case 38: // ImmediateGenericRegion\n      case 39: // ImmediateLosslessGenericRegion\n        var genericRegion = {};\n        genericRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var genericRegionSegmentFlags = data[position++];\n        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);\n        genericRegion.template = (genericRegionSegmentFlags >> 1) & 3;\n        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);\n        if (!genericRegion.mmr) {\n          atLength = genericRegion.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          genericRegion.at = at;\n        }\n        args = [genericRegion, data, position, end];\n        break;\n      case 48: // PageInformation\n        var pageInfo = {\n          width: readUint32(data, position),\n          height: readUint32(data, position + 4),\n          resolutionX: readUint32(data, position + 8),\n          resolutionY: readUint32(data, position + 12),\n        };\n        if (pageInfo.height === 0xffffffff) {\n          delete pageInfo.height;\n        }\n        var pageSegmentFlags = data[position + 16];\n        readUint16(data, position + 17); // pageStripingInformation\n        pageInfo.lossless = !!(pageSegmentFlags & 1);\n        pageInfo.refinement = !!(pageSegmentFlags & 2);\n        pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1;\n        pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3;\n        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);\n        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);\n        args = [pageInfo];\n        break;\n      case 49: // EndOfPage\n        break;\n      case 50: // EndOfStripe\n        break;\n      case 51: // EndOfFile\n        break;\n      case 53: // Tables\n        args = [header.number, data, position, end];\n        break;\n      case 62: // 7.4.15 defines 2 extension types which\n        // are comments and can be ignored.\n        break;\n      default:\n        throw new Jbig2Error(\n          `segment type ${header.typeName}(${header.type})` +\n            \" is not implemented\"\n        );\n    }\n    var callbackName = \"on\" + header.typeName;\n    if (callbackName in visitor) {\n      visitor[callbackName].apply(visitor, args);\n    }\n  }\n\n  function processSegments(segments, visitor) {\n    for (var i = 0, ii = segments.length; i < ii; i++) {\n      processSegment(segments[i], visitor);\n    }\n  }\n\n  function parseJbig2Chunks(chunks) {\n    var visitor = new SimpleSegmentVisitor();\n    for (var i = 0, ii = chunks.length; i < ii; i++) {\n      var chunk = chunks[i];\n      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);\n      processSegments(segments, visitor);\n    }\n    return visitor.buffer;\n  }\n\n  function parseJbig2(data) {\n    const end = data.length;\n    let position = 0;\n\n    if (\n      data[position] !== 0x97 ||\n      data[position + 1] !== 0x4a ||\n      data[position + 2] !== 0x42 ||\n      data[position + 3] !== 0x32 ||\n      data[position + 4] !== 0x0d ||\n      data[position + 5] !== 0x0a ||\n      data[position + 6] !== 0x1a ||\n      data[position + 7] !== 0x0a\n    ) {\n      throw new Jbig2Error(\"parseJbig2 - invalid header.\");\n    }\n\n    const header = Object.create(null);\n    position += 8;\n    const flags = data[position++];\n    header.randomAccess = !(flags & 1);\n    if (!(flags & 2)) {\n      header.numberOfPages = readUint32(data, position);\n      position += 4;\n    }\n\n    const segments = readSegments(header, data, position, end);\n    const visitor = new SimpleSegmentVisitor();\n    processSegments(segments, visitor);\n\n    const { width, height } = visitor.currentPageInfo;\n    const bitPacked = visitor.buffer;\n    const imgData = new Uint8ClampedArray(width * height);\n    let q = 0,\n      k = 0;\n    for (let i = 0; i < height; i++) {\n      let mask = 0,\n        buffer;\n      for (let j = 0; j < width; j++) {\n        if (!mask) {\n          mask = 128;\n          buffer = bitPacked[k++];\n        }\n        imgData[q++] = buffer & mask ? 0 : 255;\n        mask >>= 1;\n      }\n    }\n\n    return { imgData, width, height };\n  }\n\n  function SimpleSegmentVisitor() {}\n\n  SimpleSegmentVisitor.prototype = {\n    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {\n      this.currentPageInfo = info;\n      var rowSize = (info.width + 7) >> 3;\n      var buffer = new Uint8ClampedArray(rowSize * info.height);\n      // The contents of ArrayBuffers are initialized to 0.\n      // Fill the buffer with 0xFF only if info.defaultPixelValue is set\n      if (info.defaultPixelValue) {\n        for (var i = 0, ii = buffer.length; i < ii; i++) {\n          buffer[i] = 0xff;\n        }\n      }\n      this.buffer = buffer;\n    },\n    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {\n      var pageInfo = this.currentPageInfo;\n      var width = regionInfo.width,\n        height = regionInfo.height;\n      var rowSize = (pageInfo.width + 7) >> 3;\n      var combinationOperator = pageInfo.combinationOperatorOverride\n        ? regionInfo.combinationOperator\n        : pageInfo.combinationOperator;\n      var buffer = this.buffer;\n      var mask0 = 128 >> (regionInfo.x & 7);\n      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);\n      var i, j, mask, offset;\n      switch (combinationOperator) {\n        case 0: // OR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] |= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        case 2: // XOR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] ^= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        default:\n          throw new Jbig2Error(\n            `operator ${combinationOperator} is not supported`\n          );\n      }\n    },\n    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(\n      region,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeBitmap(\n        region.mmr,\n        regionInfo.width,\n        regionInfo.height,\n        region.template,\n        region.prediction,\n        null,\n        region.at,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {\n      this.onImmediateGenericRegion.apply(this, arguments);\n    },\n    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(\n      dictionary,\n      currentSegment,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      let huffmanTables, huffmanInput;\n      if (dictionary.huffman) {\n        huffmanTables = getSymbolDictionaryHuffmanTables(\n          dictionary,\n          referredSegments,\n          this.customTables\n        );\n        huffmanInput = new Reader(data, start, end);\n      }\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      if (!symbols) {\n        this.symbols = symbols = {};\n      }\n\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      symbols[currentSegment] = decodeSymbolDictionary(\n        dictionary.huffman,\n        dictionary.refinement,\n        inputSymbols,\n        dictionary.numberOfNewSymbols,\n        dictionary.numberOfExportedSymbols,\n        huffmanTables,\n        dictionary.template,\n        dictionary.at,\n        dictionary.refinementTemplate,\n        dictionary.refinementAt,\n        decodingContext,\n        huffmanInput\n      );\n    },\n    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(\n      region,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      let huffmanTables, huffmanInput;\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n      var symbolCodeLength = log2(inputSymbols.length);\n      if (region.huffman) {\n        huffmanInput = new Reader(data, start, end);\n        huffmanTables = getTextRegionHuffmanTables(\n          region,\n          referredSegments,\n          this.customTables,\n          inputSymbols.length,\n          huffmanInput\n        );\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeTextRegion(\n        region.huffman,\n        region.refinement,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.numberOfSymbolInstances,\n        region.stripSize,\n        inputSymbols,\n        symbolCodeLength,\n        region.transposed,\n        region.dsOffset,\n        region.referenceCorner,\n        region.combinationOperator,\n        huffmanTables,\n        region.refinementTemplate,\n        region.refinementAt,\n        decodingContext,\n        region.logStripSize,\n        huffmanInput\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {\n      this.onImmediateTextRegion.apply(this, arguments);\n    },\n    onPatternDictionary(dictionary, currentSegment, data, start, end) {\n      let patterns = this.patterns;\n      if (!patterns) {\n        this.patterns = patterns = {};\n      }\n      const decodingContext = new DecodingContext(data, start, end);\n      patterns[currentSegment] = decodePatternDictionary(\n        dictionary.mmr,\n        dictionary.patternWidth,\n        dictionary.patternHeight,\n        dictionary.maxPatternIndex,\n        dictionary.template,\n        decodingContext\n      );\n    },\n    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {\n      // HalftoneRegion refers to exactly one PatternDictionary.\n      const patterns = this.patterns[referredSegments[0]];\n      const regionInfo = region.info;\n      const decodingContext = new DecodingContext(data, start, end);\n      const bitmap = decodeHalftoneRegion(\n        region.mmr,\n        patterns,\n        region.template,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.enableSkip,\n        region.combinationOperator,\n        region.gridWidth,\n        region.gridHeight,\n        region.gridOffsetX,\n        region.gridOffsetY,\n        region.gridVectorX,\n        region.gridVectorY,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessHalftoneRegion() {\n      this.onImmediateHalftoneRegion.apply(this, arguments);\n    },\n    onTables(currentSegment, data, start, end) {\n      let customTables = this.customTables;\n      if (!customTables) {\n        this.customTables = customTables = {};\n      }\n      customTables[currentSegment] = decodeTablesSegment(data, start, end);\n    },\n  };\n\n  function HuffmanLine(lineData) {\n    if (lineData.length === 2) {\n      // OOB line.\n      this.isOOB = true;\n      this.rangeLow = 0;\n      this.prefixLength = lineData[0];\n      this.rangeLength = 0;\n      this.prefixCode = lineData[1];\n      this.isLowerRange = false;\n    } else {\n      // Normal, upper range or lower range line.\n      // Upper range lines are processed like normal lines.\n      this.isOOB = false;\n      this.rangeLow = lineData[0];\n      this.prefixLength = lineData[1];\n      this.rangeLength = lineData[2];\n      this.prefixCode = lineData[3];\n      this.isLowerRange = lineData[4] === \"lower\";\n    }\n  }\n\n  function HuffmanTreeNode(line) {\n    this.children = [];\n    if (line) {\n      // Leaf node\n      this.isLeaf = true;\n      this.rangeLength = line.rangeLength;\n      this.rangeLow = line.rangeLow;\n      this.isLowerRange = line.isLowerRange;\n      this.isOOB = line.isOOB;\n    } else {\n      // Intermediate or root node\n      this.isLeaf = false;\n    }\n  }\n\n  HuffmanTreeNode.prototype = {\n    buildTree(line, shift) {\n      const bit = (line.prefixCode >> shift) & 1;\n      if (shift <= 0) {\n        // Create a leaf node.\n        this.children[bit] = new HuffmanTreeNode(line);\n      } else {\n        // Create an intermediate node and continue recursively.\n        let node = this.children[bit];\n        if (!node) {\n          this.children[bit] = node = new HuffmanTreeNode(null);\n        }\n        node.buildTree(line, shift - 1);\n      }\n    },\n    decodeNode(reader) {\n      if (this.isLeaf) {\n        if (this.isOOB) {\n          return null;\n        }\n        const htOffset = reader.readBits(this.rangeLength);\n        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);\n      }\n      const node = this.children[reader.readBit()];\n      if (!node) {\n        throw new Jbig2Error(\"invalid Huffman data\");\n      }\n      return node.decodeNode(reader);\n    },\n  };\n\n  function HuffmanTable(lines, prefixCodesDone) {\n    if (!prefixCodesDone) {\n      this.assignPrefixCodes(lines);\n    }\n    // Create Huffman tree.\n    this.rootNode = new HuffmanTreeNode(null);\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      const line = lines[i];\n      if (line.prefixLength > 0) {\n        this.rootNode.buildTree(line, line.prefixLength - 1);\n      }\n    }\n  }\n\n  HuffmanTable.prototype = {\n    decode(reader) {\n      return this.rootNode.decodeNode(reader);\n    },\n    assignPrefixCodes(lines) {\n      // Annex B.3 Assigning the prefix codes.\n      const linesLength = lines.length;\n      let prefixLengthMax = 0;\n      for (let i = 0; i < linesLength; i++) {\n        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);\n      }\n\n      const histogram = new Uint32Array(prefixLengthMax + 1);\n      for (let i = 0; i < linesLength; i++) {\n        histogram[lines[i].prefixLength]++;\n      }\n      let currentLength = 1,\n        firstCode = 0,\n        currentCode,\n        currentTemp,\n        line;\n      histogram[0] = 0;\n\n      while (currentLength <= prefixLengthMax) {\n        firstCode = (firstCode + histogram[currentLength - 1]) << 1;\n        currentCode = firstCode;\n        currentTemp = 0;\n        while (currentTemp < linesLength) {\n          line = lines[currentTemp];\n          if (line.prefixLength === currentLength) {\n            line.prefixCode = currentCode;\n            currentCode++;\n          }\n          currentTemp++;\n        }\n        currentLength++;\n      }\n    },\n  };\n\n  function decodeTablesSegment(data, start, end) {\n    // Decodes a Tables segment, i.e., a custom Huffman table.\n    // Annex B.2 Code table structure.\n    const flags = data[start];\n    const lowestValue = readUint32(data, start + 1) & 0xffffffff;\n    const highestValue = readUint32(data, start + 5) & 0xffffffff;\n    const reader = new Reader(data, start + 9, end);\n\n    const prefixSizeBits = ((flags >> 1) & 7) + 1;\n    const rangeSizeBits = ((flags >> 4) & 7) + 1;\n    const lines = [];\n    let prefixLength,\n      rangeLength,\n      currentRangeLow = lowestValue;\n\n    // Normal table lines\n    do {\n      prefixLength = reader.readBits(prefixSizeBits);\n      rangeLength = reader.readBits(rangeSizeBits);\n      lines.push(\n        new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0])\n      );\n      currentRangeLow += 1 << rangeLength;\n    } while (currentRangeLow < highestValue);\n\n    // Lower range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(\n      new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, \"lower\"])\n    );\n\n    // Upper range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));\n\n    if (flags & 1) {\n      // Out-of-band table line\n      prefixLength = reader.readBits(prefixSizeBits);\n      lines.push(new HuffmanLine([prefixLength, 0]));\n    }\n\n    return new HuffmanTable(lines, false);\n  }\n\n  const standardTablesCache = {};\n\n  function getStandardTable(number) {\n    // Annex B.5 Standard Huffman tables.\n    let table = standardTablesCache[number];\n    if (table) {\n      return table;\n    }\n    let lines;\n    switch (number) {\n      case 1:\n        lines = [\n          [0, 1, 4, 0x0],\n          [16, 2, 8, 0x2],\n          [272, 3, 16, 0x6],\n          [65808, 3, 32, 0x7], // upper\n        ];\n        break;\n      case 2:\n        lines = [\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [75, 6, 32, 0x3e], // upper\n          [6, 0x3f], // OOB\n        ];\n        break;\n      case 3:\n        lines = [\n          [-256, 8, 8, 0xfe],\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [-257, 8, 32, 0xff, \"lower\"],\n          [75, 7, 32, 0x7e], // upper\n          [6, 0x3e], // OOB\n        ];\n        break;\n      case 4:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [76, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 5:\n        lines = [\n          [-255, 7, 8, 0x7e],\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [-256, 7, 32, 0x7f, \"lower\"],\n          [76, 6, 32, 0x3e], // upper\n        ];\n        break;\n      case 6:\n        lines = [\n          [-2048, 5, 10, 0x1c],\n          [-1024, 4, 9, 0x8],\n          [-512, 4, 8, 0x9],\n          [-256, 4, 7, 0xa],\n          [-128, 5, 6, 0x1d],\n          [-64, 5, 5, 0x1e],\n          [-32, 4, 5, 0xb],\n          [0, 2, 7, 0x0],\n          [128, 3, 7, 0x2],\n          [256, 3, 8, 0x3],\n          [512, 4, 9, 0xc],\n          [1024, 4, 10, 0xd],\n          [-2049, 6, 32, 0x3e, \"lower\"],\n          [2048, 6, 32, 0x3f], // upper\n        ];\n        break;\n      case 7:\n        lines = [\n          [-1024, 4, 9, 0x8],\n          [-512, 3, 8, 0x0],\n          [-256, 4, 7, 0x9],\n          [-128, 5, 6, 0x1a],\n          [-64, 5, 5, 0x1b],\n          [-32, 4, 5, 0xa],\n          [0, 4, 5, 0xb],\n          [32, 5, 5, 0x1c],\n          [64, 5, 6, 0x1d],\n          [128, 4, 7, 0xc],\n          [256, 3, 8, 0x1],\n          [512, 3, 9, 0x2],\n          [1024, 3, 10, 0x3],\n          [-1025, 5, 32, 0x1e, \"lower\"],\n          [2048, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 8:\n        lines = [\n          [-15, 8, 3, 0xfc],\n          [-7, 9, 1, 0x1fc],\n          [-5, 8, 1, 0xfd],\n          [-3, 9, 0, 0x1fd],\n          [-2, 7, 0, 0x7c],\n          [-1, 4, 0, 0xa],\n          [0, 2, 1, 0x0],\n          [2, 5, 0, 0x1a],\n          [3, 6, 0, 0x3a],\n          [4, 3, 4, 0x4],\n          [20, 6, 1, 0x3b],\n          [22, 4, 4, 0xb],\n          [38, 4, 5, 0xc],\n          [70, 5, 6, 0x1b],\n          [134, 5, 7, 0x1c],\n          [262, 6, 7, 0x3c],\n          [390, 7, 8, 0x7d],\n          [646, 6, 10, 0x3d],\n          [-16, 9, 32, 0x1fe, \"lower\"],\n          [1670, 9, 32, 0x1ff], // upper\n          [2, 0x1], // OOB\n        ];\n        break;\n      case 9:\n        lines = [\n          [-31, 8, 4, 0xfc],\n          [-15, 9, 2, 0x1fc],\n          [-11, 8, 2, 0xfd],\n          [-7, 9, 1, 0x1fd],\n          [-5, 7, 1, 0x7c],\n          [-3, 4, 1, 0xa],\n          [-1, 3, 1, 0x2],\n          [1, 3, 1, 0x3],\n          [3, 5, 1, 0x1a],\n          [5, 6, 1, 0x3a],\n          [7, 3, 5, 0x4],\n          [39, 6, 2, 0x3b],\n          [43, 4, 5, 0xb],\n          [75, 4, 6, 0xc],\n          [139, 5, 7, 0x1b],\n          [267, 5, 8, 0x1c],\n          [523, 6, 8, 0x3c],\n          [779, 7, 9, 0x7d],\n          [1291, 6, 11, 0x3d],\n          [-32, 9, 32, 0x1fe, \"lower\"],\n          [3339, 9, 32, 0x1ff], // upper\n          [2, 0x0], // OOB\n        ];\n        break;\n      case 10:\n        lines = [\n          [-21, 7, 4, 0x7a],\n          [-5, 8, 0, 0xfc],\n          [-4, 7, 0, 0x7b],\n          [-3, 5, 0, 0x18],\n          [-2, 2, 2, 0x0],\n          [2, 5, 0, 0x19],\n          [3, 6, 0, 0x36],\n          [4, 7, 0, 0x7c],\n          [5, 8, 0, 0xfd],\n          [6, 2, 6, 0x1],\n          [70, 5, 5, 0x1a],\n          [102, 6, 5, 0x37],\n          [134, 6, 6, 0x38],\n          [198, 6, 7, 0x39],\n          [326, 6, 8, 0x3a],\n          [582, 6, 9, 0x3b],\n          [1094, 6, 10, 0x3c],\n          [2118, 7, 11, 0x7d],\n          [-22, 8, 32, 0xfe, \"lower\"],\n          [4166, 8, 32, 0xff], // upper\n          [2, 0x2], // OOB\n        ];\n        break;\n      case 11:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 1, 0x2],\n          [4, 4, 0, 0xc],\n          [5, 4, 1, 0xd],\n          [7, 5, 1, 0x1c],\n          [9, 5, 2, 0x1d],\n          [13, 6, 2, 0x3c],\n          [17, 7, 2, 0x7a],\n          [21, 7, 3, 0x7b],\n          [29, 7, 4, 0x7c],\n          [45, 7, 5, 0x7d],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 12:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 1, 0x6],\n          [5, 5, 0, 0x1c],\n          [6, 5, 1, 0x1d],\n          [8, 6, 1, 0x3c],\n          [10, 7, 0, 0x7a],\n          [11, 7, 1, 0x7b],\n          [13, 7, 2, 0x7c],\n          [17, 7, 3, 0x7d],\n          [25, 7, 4, 0x7e],\n          [41, 8, 5, 0xfe],\n          [73, 8, 32, 0xff], // upper\n        ];\n        break;\n      case 13:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 3, 0, 0x4],\n          [3, 4, 0, 0xc],\n          [4, 5, 0, 0x1c],\n          [5, 4, 1, 0xd],\n          [7, 3, 3, 0x5],\n          [15, 6, 1, 0x3a],\n          [17, 6, 2, 0x3b],\n          [21, 6, 3, 0x3c],\n          [29, 6, 4, 0x3d],\n          [45, 6, 5, 0x3e],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 14:\n        lines = [\n          [-2, 3, 0, 0x4],\n          [-1, 3, 0, 0x5],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x6],\n          [2, 3, 0, 0x7],\n        ];\n        break;\n      case 15:\n        lines = [\n          [-24, 7, 4, 0x7c],\n          [-8, 6, 2, 0x3c],\n          [-4, 5, 1, 0x1c],\n          [-2, 4, 0, 0xc],\n          [-1, 3, 0, 0x4],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x5],\n          [2, 4, 0, 0xd],\n          [3, 5, 1, 0x1d],\n          [5, 6, 2, 0x3d],\n          [9, 7, 4, 0x7d],\n          [-25, 7, 32, 0x7e, \"lower\"],\n          [25, 7, 32, 0x7f], // upper\n        ];\n        break;\n      default:\n        throw new Jbig2Error(`standard table B.${number} does not exist`);\n    }\n\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      lines[i] = new HuffmanLine(lines[i]);\n    }\n    table = new HuffmanTable(lines, true);\n    standardTablesCache[number] = table;\n    return table;\n  }\n\n  function Reader(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n    this.position = start;\n    this.shift = -1;\n    this.currentByte = 0;\n  }\n\n  Reader.prototype = {\n    readBit() {\n      if (this.shift < 0) {\n        if (this.position >= this.end) {\n          throw new Jbig2Error(\"end of data while reading bit\");\n        }\n        this.currentByte = this.data[this.position++];\n        this.shift = 7;\n      }\n      const bit = (this.currentByte >> this.shift) & 1;\n      this.shift--;\n      return bit;\n    },\n\n    readBits(numBits) {\n      let result = 0,\n        i;\n      for (i = numBits - 1; i >= 0; i--) {\n        result |= this.readBit() << i;\n      }\n      return result;\n    },\n\n    byteAlign() {\n      this.shift = -1;\n    },\n\n    next() {\n      if (this.position >= this.end) {\n        return -1;\n      }\n      return this.data[this.position++];\n    },\n  };\n\n  function getCustomHuffmanTable(index, referredTo, customTables) {\n    // Returns a Tables segment that has been earlier decoded.\n    // See 7.4.2.1.6 (symbol dictionary) or 7.4.3.1.6 (text region).\n    let currentIndex = 0;\n    for (let i = 0, ii = referredTo.length; i < ii; i++) {\n      const table = customTables[referredTo[i]];\n      if (table) {\n        if (index === currentIndex) {\n          return table;\n        }\n        currentIndex++;\n      }\n    }\n    throw new Jbig2Error(\"can't find custom Huffman table\");\n  }\n\n  function getTextRegionHuffmanTables(\n    textRegion,\n    referredTo,\n    customTables,\n    numberOfSymbols,\n    reader\n  ) {\n    // 7.4.3.1.7 Symbol ID Huffman table decoding\n\n    // Read code lengths for RUNCODEs 0...34.\n    const codes = [];\n    for (let i = 0; i <= 34; i++) {\n      const codeLength = reader.readBits(4);\n      codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n    }\n    // Assign Huffman codes for RUNCODEs.\n    const runCodesTable = new HuffmanTable(codes, false);\n\n    // Read a Huffman code using the assignment above.\n    // Interpret the RUNCODE codes and the additional bits (if any).\n    codes.length = 0;\n    for (let i = 0; i < numberOfSymbols; ) {\n      const codeLength = runCodesTable.decode(reader);\n      if (codeLength >= 32) {\n        let repeatedLength, numberOfRepeats, j;\n        switch (codeLength) {\n          case 32:\n            if (i === 0) {\n              throw new Jbig2Error(\"no previous value in symbol ID table\");\n            }\n            numberOfRepeats = reader.readBits(2) + 3;\n            repeatedLength = codes[i - 1].prefixLength;\n            break;\n          case 33:\n            numberOfRepeats = reader.readBits(3) + 3;\n            repeatedLength = 0;\n            break;\n          case 34:\n            numberOfRepeats = reader.readBits(7) + 11;\n            repeatedLength = 0;\n            break;\n          default:\n            throw new Jbig2Error(\"invalid code length in symbol ID table\");\n        }\n        for (j = 0; j < numberOfRepeats; j++) {\n          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));\n          i++;\n        }\n      } else {\n        codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n        i++;\n      }\n    }\n    reader.byteAlign();\n    const symbolIDTable = new HuffmanTable(codes, false);\n\n    // 7.4.3.1.6 Text region segment Huffman table selection\n\n    let customIndex = 0,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT;\n\n    switch (textRegion.huffmanFS) {\n      case 0:\n      case 1:\n        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);\n        break;\n      case 3:\n        tableFirstS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman FS selector\");\n    }\n\n    switch (textRegion.huffmanDS) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);\n        break;\n      case 3:\n        tableDeltaS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DS selector\");\n    }\n\n    switch (textRegion.huffmanDT) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);\n        break;\n      case 3:\n        tableDeltaT = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DT selector\");\n    }\n\n    if (textRegion.refinement) {\n      // Load tables RDW, RDH, RDX and RDY.\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    return {\n      symbolIDTable,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT,\n    };\n  }\n\n  function getSymbolDictionaryHuffmanTables(\n    dictionary,\n    referredTo,\n    customTables\n  ) {\n    // 7.4.2.1.6 Symbol dictionary segment Huffman table selection\n\n    let customIndex = 0,\n      tableDeltaHeight,\n      tableDeltaWidth;\n    switch (dictionary.huffmanDHSelector) {\n      case 0:\n      case 1:\n        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);\n        break;\n      case 3:\n        tableDeltaHeight = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DH selector\");\n    }\n\n    switch (dictionary.huffmanDWSelector) {\n      case 0:\n      case 1:\n        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);\n        break;\n      case 3:\n        tableDeltaWidth = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DW selector\");\n    }\n\n    let tableBitmapSize, tableAggregateInstances;\n    if (dictionary.bitmapSizeSelector) {\n      tableBitmapSize = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n      customIndex++;\n    } else {\n      tableBitmapSize = getStandardTable(1);\n    }\n\n    if (dictionary.aggregationInstancesSelector) {\n      tableAggregateInstances = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n    } else {\n      tableAggregateInstances = getStandardTable(1);\n    }\n\n    return {\n      tableDeltaHeight,\n      tableDeltaWidth,\n      tableBitmapSize,\n      tableAggregateInstances,\n    };\n  }\n\n  function readUncompressedBitmap(reader, width, height) {\n    const bitmap = [];\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      for (let x = 0; x < width; x++) {\n        row[x] = reader.readBit();\n      }\n      reader.byteAlign();\n    }\n    return bitmap;\n  }\n\n  function decodeMMRBitmap(input, width, height, endOfBlock) {\n    // MMR is the same compression algorithm as the PDF filter\n    // CCITTFaxDecode with /K -1.\n    const params = {\n      K: -1,\n      Columns: width,\n      Rows: height,\n      BlackIs1: true,\n      EndOfBlock: endOfBlock,\n    };\n    const decoder = new CCITTFaxDecoder(input, params);\n    const bitmap = [];\n    let currentByte,\n      eof = false;\n\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      let shift = -1;\n      for (let x = 0; x < width; x++) {\n        if (shift < 0) {\n          currentByte = decoder.readNextChar();\n          if (currentByte === -1) {\n            // Set the rest of the bits to zero.\n            currentByte = 0;\n            eof = true;\n          }\n          shift = 7;\n        }\n        row[x] = (currentByte >> shift) & 1;\n        shift--;\n      }\n    }\n\n    if (endOfBlock && !eof) {\n      // Read until EOFB has been consumed.\n      const lookForEOFLimit = 5;\n      for (let i = 0; i < lookForEOFLimit; i++) {\n        if (decoder.readNextChar() === -1) {\n          break;\n        }\n      }\n    }\n\n    return bitmap;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Jbig2Image() {}\n\n  Jbig2Image.prototype = {\n    parseChunks(chunks) {\n      return parseJbig2Chunks(chunks);\n    },\n\n    parse(data) {\n      const { imgData, width, height } = parseJbig2(data);\n      this.width = width;\n      this.height = height;\n      return imgData;\n    },\n  };\n\n  return Jbig2Image;\n})();\n\nexport { Jbig2Image };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// Table C-2\nconst QeTable = [\n  { qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1 },\n  { qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0 },\n  { qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 4, nlps: 12, switchFlag: 0 },\n  { qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0 },\n  { qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0 },\n  { qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1 },\n  { qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0 },\n  { qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0 },\n  { qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0 },\n  { qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0 },\n  { qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 13, nlps: 20, switchFlag: 0 },\n  { qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0 },\n  { qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1 },\n  { qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0 },\n  { qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0 },\n  { qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0 },\n  { qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0 },\n  { qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0 },\n  { qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0 },\n  { qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0 },\n  { qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0 },\n  { qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 25, nlps: 22, switchFlag: 0 },\n  { qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0 },\n  { qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0 },\n  { qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0 },\n  { qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0 },\n  { qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 31, nlps: 28, switchFlag: 0 },\n  { qe: 0x09c1, nmps: 32, nlps: 29, switchFlag: 0 },\n  { qe: 0x08a1, nmps: 33, nlps: 30, switchFlag: 0 },\n  { qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0 },\n  { qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0 },\n  { qe: 0x02a1, nmps: 36, nlps: 33, switchFlag: 0 },\n  { qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0 },\n  { qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0 },\n  { qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0 },\n  { qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0 },\n  { qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0 },\n  { qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0 },\n  { qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0 },\n  { qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0 },\n  { qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0 },\n  { qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0 },\n  { qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0 },\n];\n\n/**\n * This class implements the QM Coder decoding as defined in\n *   JPEG 2000 Part I Final Committee Draft Version 1.0\n *   Annex C.3 Arithmetic decoding procedure\n * available at http://www.jpeg.org/public/fcd15444-1.pdf\n *\n * The arithmetic decoder is used in conjunction with context models to decode\n * JPEG2000 and JBIG2 streams.\n */\nclass ArithmeticDecoder {\n  // C.3.5 Initialisation of the decoder (INITDEC)\n  constructor(data, start, end) {\n    this.data = data;\n    this.bp = start;\n    this.dataEnd = end;\n\n    this.chigh = data[start];\n    this.clow = 0;\n\n    this.byteIn();\n\n    this.chigh = ((this.chigh << 7) & 0xffff) | ((this.clow >> 9) & 0x7f);\n    this.clow = (this.clow << 7) & 0xffff;\n    this.ct -= 7;\n    this.a = 0x8000;\n  }\n\n  // C.3.4 Compressed data input (BYTEIN)\n  byteIn() {\n    const data = this.data;\n    let bp = this.bp;\n\n    if (data[bp] === 0xff) {\n      if (data[bp + 1] > 0x8f) {\n        this.clow += 0xff00;\n        this.ct = 8;\n      } else {\n        bp++;\n        this.clow += data[bp] << 9;\n        this.ct = 7;\n        this.bp = bp;\n      }\n    } else {\n      bp++;\n      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;\n      this.ct = 8;\n      this.bp = bp;\n    }\n    if (this.clow > 0xffff) {\n      this.chigh += this.clow >> 16;\n      this.clow &= 0xffff;\n    }\n  }\n\n  // C.3.2 Decoding a decision (DECODE)\n  readBit(contexts, pos) {\n    // Contexts are packed into 1 byte:\n    // highest 7 bits carry cx.index, lowest bit carries cx.mps\n    let cx_index = contexts[pos] >> 1,\n      cx_mps = contexts[pos] & 1;\n    const qeTableIcx = QeTable[cx_index];\n    const qeIcx = qeTableIcx.qe;\n    let d;\n    let a = this.a - qeIcx;\n\n    if (this.chigh < qeIcx) {\n      // exchangeLps\n      if (a < qeIcx) {\n        a = qeIcx;\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      } else {\n        a = qeIcx;\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      }\n    } else {\n      this.chigh -= qeIcx;\n      if ((a & 0x8000) !== 0) {\n        this.a = a;\n        return cx_mps;\n      }\n      // exchangeMps\n      if (a < qeIcx) {\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      } else {\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      }\n    }\n    // C.3.3 renormD;\n    do {\n      if (this.ct === 0) {\n        this.byteIn();\n      }\n\n      a <<= 1;\n      this.chigh = ((this.chigh << 1) & 0xffff) | ((this.clow >> 15) & 1);\n      this.clow = (this.clow << 1) & 0xffff;\n      this.ct--;\n    } while ((a & 0x8000) === 0);\n    this.a = a;\n\n    contexts[pos] = (cx_index << 1) | cx_mps;\n    return d;\n  }\n}\n\nexport { ArithmeticDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DecodeStream } from \"./stream.js\";\nimport { isDict } from \"./primitives.js\";\nimport { JpegImage } from \"./jpg.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JPEG's we use a library to decode these images and the stream behaves\n * like all the other DecodeStreams.\n */\nconst JpegStream = (function JpegStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function JpegStream(stream, maybeLength, dict, params) {\n    // Some images may contain 'junk' before the SOI (start-of-image) marker.\n    // Note: this seems to mainly affect inline images.\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      // Find the first byte of the SOI marker (0xFFD8).\n      if (ch === 0xff) {\n        stream.skip(-1); // Reset the stream position to the SOI.\n        break;\n      }\n    }\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  JpegStream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(JpegStream.prototype, \"bytes\", {\n    get: function JpegStream_bytes() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  JpegStream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  JpegStream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jpegOptions = {\n      decodeTransform: undefined,\n      colorTransform: undefined,\n    };\n\n    // Checking if values need to be transformed before conversion.\n    const decodeArr = this.dict.getArray(\"Decode\", \"D\");\n    if (this.forceRGB && Array.isArray(decodeArr)) {\n      const bitsPerComponent = this.dict.get(\"BitsPerComponent\") || 8;\n      const decodeArrLength = decodeArr.length;\n      const transform = new Int32Array(decodeArrLength);\n      let transformNeeded = false;\n      const maxValue = (1 << bitsPerComponent) - 1;\n      for (let i = 0; i < decodeArrLength; i += 2) {\n        transform[i] = ((decodeArr[i + 1] - decodeArr[i]) * 256) | 0;\n        transform[i + 1] = (decodeArr[i] * maxValue) | 0;\n        if (transform[i] !== 256 || transform[i + 1] !== 0) {\n          transformNeeded = true;\n        }\n      }\n      if (transformNeeded) {\n        jpegOptions.decodeTransform = transform;\n      }\n    }\n    // Fetching the 'ColorTransform' entry, if it exists.\n    if (isDict(this.params)) {\n      const colorTransform = this.params.get(\"ColorTransform\");\n      if (Number.isInteger(colorTransform)) {\n        jpegOptions.colorTransform = colorTransform;\n      }\n    }\n    const jpegImage = new JpegImage(jpegOptions);\n\n    jpegImage.parse(this.bytes);\n    const data = jpegImage.getData({\n      width: this.drawWidth,\n      height: this.drawHeight,\n      forceRGB: this.forceRGB,\n      isSourcePDF: true,\n    });\n    this.buffer = data;\n    this.bufferLength = data.length;\n    this.eof = true;\n  };\n\n  return JpegStream;\n})();\n\nexport { JpegStream };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the 'License');\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an 'AS IS' BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\nimport { readUint16 } from \"./core_utils.js\";\n\nclass JpegError extends BaseException {\n  constructor(msg) {\n    super(`JPEG error: ${msg}`);\n  }\n}\n\nclass DNLMarkerError extends BaseException {\n  constructor(message, scanLines) {\n    super(message);\n    this.scanLines = scanLines;\n  }\n}\n\nclass EOIMarkerError extends BaseException {}\n\n/**\n * This code was forked from https://github.com/notmasteryet/jpgjs.\n * The original version was created by GitHub user notmasteryet.\n *\n * - The JPEG specification can be found in the ITU CCITT Recommendation T.81\n *   (www.w3.org/Graphics/JPEG/itu-t81.pdf)\n * - The JFIF specification can be found in the JPEG File Interchange Format\n *   (www.w3.org/Graphics/JPEG/jfif3.pdf)\n * - The Adobe Application-Specific JPEG markers in the\n *   Supporting the DCT Filters in PostScript Level 2, Technical Note #5116\n *   (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)\n */\n\nvar JpegImage = (function JpegImageClosure() {\n  // prettier-ignore\n  var dctZigZag = new Uint8Array([\n     0,\n     1,  8,\n    16,  9,  2,\n     3, 10, 17, 24,\n    32, 25, 18, 11, 4,\n     5, 12, 19, 26, 33, 40,\n    48, 41, 34, 27, 20, 13,  6,\n     7, 14, 21, 28, 35, 42, 49, 56,\n    57, 50, 43, 36, 29, 22, 15,\n    23, 30, 37, 44, 51, 58,\n    59, 52, 45, 38, 31,\n    39, 46, 53, 60,\n    61, 54, 47,\n    55, 62,\n    63\n  ]);\n\n  var dctCos1 = 4017; // cos(pi/16)\n  var dctSin1 = 799; // sin(pi/16)\n  var dctCos3 = 3406; // cos(3*pi/16)\n  var dctSin3 = 2276; // sin(3*pi/16)\n  var dctCos6 = 1567; // cos(6*pi/16)\n  var dctSin6 = 3784; // sin(6*pi/16)\n  var dctSqrt2 = 5793; // sqrt(2)\n  var dctSqrt1d2 = 2896; // sqrt(2) / 2\n\n  // eslint-disable-next-line no-shadow\n  function JpegImage({ decodeTransform = null, colorTransform = -1 } = {}) {\n    this._decodeTransform = decodeTransform;\n    this._colorTransform = colorTransform;\n  }\n\n  function buildHuffmanTable(codeLengths, values) {\n    var k = 0,\n      code = [],\n      i,\n      j,\n      length = 16;\n    while (length > 0 && !codeLengths[length - 1]) {\n      length--;\n    }\n    code.push({ children: [], index: 0 });\n    var p = code[0],\n      q;\n    for (i = 0; i < length; i++) {\n      for (j = 0; j < codeLengths[i]; j++) {\n        p = code.pop();\n        p.children[p.index] = values[k];\n        while (p.index > 0) {\n          p = code.pop();\n        }\n        p.index++;\n        code.push(p);\n        while (code.length <= i) {\n          code.push((q = { children: [], index: 0 }));\n          p.children[p.index] = q.children;\n          p = q;\n        }\n        k++;\n      }\n      if (i + 1 < length) {\n        // p here points to last code\n        code.push((q = { children: [], index: 0 }));\n        p.children[p.index] = q.children;\n        p = q;\n      }\n    }\n    return code[0].children;\n  }\n\n  function getBlockBufferOffset(component, row, col) {\n    return 64 * ((component.blocksPerLine + 1) * row + col);\n  }\n\n  function decodeScan(\n    data,\n    offset,\n    frame,\n    components,\n    resetInterval,\n    spectralStart,\n    spectralEnd,\n    successivePrev,\n    successive,\n    parseDNLMarker = false\n  ) {\n    var mcusPerLine = frame.mcusPerLine;\n    var progressive = frame.progressive;\n\n    const startOffset = offset;\n    let bitsData = 0,\n      bitsCount = 0;\n\n    function readBit() {\n      if (bitsCount > 0) {\n        bitsCount--;\n        return (bitsData >> bitsCount) & 1;\n      }\n      bitsData = data[offset++];\n      if (bitsData === 0xff) {\n        var nextByte = data[offset++];\n        if (nextByte) {\n          if (nextByte === /* DNL = */ 0xdc && parseDNLMarker) {\n            offset += 2; // Skip marker length.\n\n            const scanLines = readUint16(data, offset);\n            offset += 2;\n            if (scanLines > 0 && scanLines !== frame.scanLines) {\n              throw new DNLMarkerError(\n                \"Found DNL marker (0xFFDC) while parsing scan data\",\n                scanLines\n              );\n            }\n          } else if (nextByte === /* EOI = */ 0xd9) {\n            if (parseDNLMarker) {\n              // NOTE: only 8-bit JPEG images are supported in this decoder.\n              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);\n              // Heuristic to attempt to handle corrupt JPEG images with too\n              // large `scanLines` parameter, by falling back to the currently\n              // parsed number of scanLines when it's at least (approximately)\n              // one order of magnitude smaller than expected (fixes\n              // issue10880.pdf and issue10989.pdf).\n              if (\n                maybeScanLines > 0 &&\n                Math.round(frame.scanLines / maybeScanLines) >= 10\n              ) {\n                throw new DNLMarkerError(\n                  \"Found EOI marker (0xFFD9) while parsing scan data, \" +\n                    \"possibly caused by incorrect `scanLines` parameter\",\n                  maybeScanLines\n                );\n              }\n            }\n            throw new EOIMarkerError(\n              \"Found EOI marker (0xFFD9) while parsing scan data\"\n            );\n          }\n          throw new JpegError(\n            `unexpected marker ${((bitsData << 8) | nextByte).toString(16)}`\n          );\n        }\n        // unstuff 0\n      }\n      bitsCount = 7;\n      return bitsData >>> 7;\n    }\n\n    function decodeHuffman(tree) {\n      var node = tree;\n      while (true) {\n        node = node[readBit()];\n        switch (typeof node) {\n          case \"number\":\n            return node;\n          case \"object\":\n            continue;\n        }\n        throw new JpegError(\"invalid huffman sequence\");\n      }\n    }\n\n    function receive(length) {\n      var n = 0;\n      while (length > 0) {\n        n = (n << 1) | readBit();\n        length--;\n      }\n      return n;\n    }\n\n    function receiveAndExtend(length) {\n      if (length === 1) {\n        return readBit() === 1 ? 1 : -1;\n      }\n      var n = receive(length);\n      if (n >= 1 << (length - 1)) {\n        return n;\n      }\n      return n + (-1 << length) + 1;\n    }\n\n    function decodeBaseline(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t);\n      component.blockData[blockOffset] = component.pred += diff;\n      var k = 1;\n      while (k < 64) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] = receiveAndExtend(s);\n        k++;\n      }\n    }\n\n    function decodeDCFirst(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;\n      component.blockData[blockOffset] = component.pred += diff;\n    }\n\n    function decodeDCSuccessive(component, blockOffset) {\n      component.blockData[blockOffset] |= readBit() << successive;\n    }\n\n    var eobrun = 0;\n    function decodeACFirst(component, blockOffset) {\n      if (eobrun > 0) {\n        eobrun--;\n        return;\n      }\n      var k = spectralStart,\n        e = spectralEnd;\n      while (k <= e) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            eobrun = receive(r) + (1 << r) - 1;\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] =\n          receiveAndExtend(s) * (1 << successive);\n        k++;\n      }\n    }\n\n    var successiveACState = 0,\n      successiveACNextValue;\n    function decodeACSuccessive(component, blockOffset) {\n      var k = spectralStart;\n      var e = spectralEnd;\n      var r = 0;\n      var s;\n      var rs;\n      while (k <= e) {\n        const offsetZ = blockOffset + dctZigZag[k];\n        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;\n        switch (successiveACState) {\n          case 0: // initial state\n            rs = decodeHuffman(component.huffmanTableAC);\n            s = rs & 15;\n            r = rs >> 4;\n            if (s === 0) {\n              if (r < 15) {\n                eobrun = receive(r) + (1 << r);\n                successiveACState = 4;\n              } else {\n                r = 16;\n                successiveACState = 1;\n              }\n            } else {\n              if (s !== 1) {\n                throw new JpegError(\"invalid ACn encoding\");\n              }\n              successiveACNextValue = receiveAndExtend(s);\n              successiveACState = r ? 2 : 3;\n            }\n            continue;\n          case 1: // skipping r zero items\n          case 2:\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              r--;\n              if (r === 0) {\n                successiveACState = successiveACState === 2 ? 3 : 0;\n              }\n            }\n            break;\n          case 3: // set value for a zero item\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              component.blockData[offsetZ] =\n                successiveACNextValue << successive;\n              successiveACState = 0;\n            }\n            break;\n          case 4: // eob\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            }\n            break;\n        }\n        k++;\n      }\n      if (successiveACState === 4) {\n        eobrun--;\n        if (eobrun === 0) {\n          successiveACState = 0;\n        }\n      }\n    }\n\n    let blockRow = 0;\n    function decodeMcu(component, decode, mcu, row, col) {\n      var mcuRow = (mcu / mcusPerLine) | 0;\n      var mcuCol = mcu % mcusPerLine;\n      blockRow = mcuRow * component.v + row;\n      var blockCol = mcuCol * component.h + col;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    function decodeBlock(component, decode, mcu) {\n      blockRow = (mcu / component.blocksPerLine) | 0;\n      var blockCol = mcu % component.blocksPerLine;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    var componentsLength = components.length;\n    var component, i, j, k, n;\n    var decodeFn;\n    if (progressive) {\n      if (spectralStart === 0) {\n        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;\n      } else {\n        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;\n      }\n    } else {\n      decodeFn = decodeBaseline;\n    }\n\n    var mcu = 0,\n      fileMarker;\n    var mcuExpected;\n    if (componentsLength === 1) {\n      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;\n    } else {\n      mcuExpected = mcusPerLine * frame.mcusPerColumn;\n    }\n\n    var h, v;\n    while (mcu <= mcuExpected) {\n      // reset interval stuff\n      var mcuToRead = resetInterval\n        ? Math.min(mcuExpected - mcu, resetInterval)\n        : mcuExpected;\n\n      // The `mcuToRead === 0` case should only occur when all of the expected\n      // MCU data has been already parsed, i.e. when `mcu === mcuExpected`, but\n      // some corrupt JPEG images contain more data than intended and we thus\n      // want to skip over any extra RSTx markers below (fixes issue11794.pdf).\n      if (mcuToRead > 0) {\n        for (i = 0; i < componentsLength; i++) {\n          components[i].pred = 0;\n        }\n        eobrun = 0;\n\n        if (componentsLength === 1) {\n          component = components[0];\n          for (n = 0; n < mcuToRead; n++) {\n            decodeBlock(component, decodeFn, mcu);\n            mcu++;\n          }\n        } else {\n          for (n = 0; n < mcuToRead; n++) {\n            for (i = 0; i < componentsLength; i++) {\n              component = components[i];\n              h = component.h;\n              v = component.v;\n              for (j = 0; j < v; j++) {\n                for (k = 0; k < h; k++) {\n                  decodeMcu(component, decodeFn, mcu, j, k);\n                }\n              }\n            }\n            mcu++;\n          }\n        }\n      }\n\n      // find marker\n      bitsCount = 0;\n      fileMarker = findNextFileMarker(data, offset);\n      if (!fileMarker) {\n        break; // Reached the end of the image data without finding any marker.\n      }\n      if (fileMarker.invalid) {\n        // Some bad images seem to pad Scan blocks with e.g. zero bytes, skip\n        // past those to attempt to find a valid marker (fixes issue4090.pdf).\n        const partialMsg = mcuToRead > 0 ? \"unexpected\" : \"excessive\";\n        warn(\n          `decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`\n        );\n        offset = fileMarker.offset;\n      }\n      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {\n        // RSTx\n        offset += 2;\n      } else {\n        break;\n      }\n    }\n\n    return offset - startOffset;\n  }\n\n  // A port of poppler's IDCT method which in turn is taken from:\n  //   Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,\n  //   'Practical Fast 1-D DCT Algorithms with 11 Multiplications',\n  //   IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,\n  //   988-991.\n  function quantizeAndInverse(component, blockBufferOffset, p) {\n    var qt = component.quantizationTable,\n      blockData = component.blockData;\n    var v0, v1, v2, v3, v4, v5, v6, v7;\n    var p0, p1, p2, p3, p4, p5, p6, p7;\n    var t;\n\n    if (!qt) {\n      throw new JpegError(\"missing required Quantization Table.\");\n    }\n\n    // inverse DCT on rows\n    for (var row = 0; row < 64; row += 8) {\n      // gather block data\n      p0 = blockData[blockBufferOffset + row];\n      p1 = blockData[blockBufferOffset + row + 1];\n      p2 = blockData[blockBufferOffset + row + 2];\n      p3 = blockData[blockBufferOffset + row + 3];\n      p4 = blockData[blockBufferOffset + row + 4];\n      p5 = blockData[blockBufferOffset + row + 5];\n      p6 = blockData[blockBufferOffset + row + 6];\n      p7 = blockData[blockBufferOffset + row + 7];\n\n      // dequant p0\n      p0 *= qt[row];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 512) >> 10;\n        p[row] = t;\n        p[row + 1] = t;\n        p[row + 2] = t;\n        p[row + 3] = t;\n        p[row + 4] = t;\n        p[row + 5] = t;\n        p[row + 6] = t;\n        p[row + 7] = t;\n        continue;\n      }\n      // dequant p1 ... p7\n      p1 *= qt[row + 1];\n      p2 *= qt[row + 2];\n      p3 *= qt[row + 3];\n      p4 *= qt[row + 4];\n      p5 *= qt[row + 5];\n      p6 *= qt[row + 6];\n      p7 *= qt[row + 7];\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 128) >> 8;\n      v1 = (dctSqrt2 * p4 + 128) >> 8;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8;\n      v5 = p3 << 4;\n      v6 = p5 << 4;\n\n      // stage 3\n      v0 = (v0 + v1 + 1) >> 1;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p[row] = v0 + v7;\n      p[row + 7] = v0 - v7;\n      p[row + 1] = v1 + v6;\n      p[row + 6] = v1 - v6;\n      p[row + 2] = v2 + v5;\n      p[row + 5] = v2 - v5;\n      p[row + 3] = v3 + v4;\n      p[row + 4] = v3 - v4;\n    }\n\n    // inverse DCT on columns\n    for (var col = 0; col < 8; ++col) {\n      p0 = p[col];\n      p1 = p[col + 8];\n      p2 = p[col + 16];\n      p3 = p[col + 24];\n      p4 = p[col + 32];\n      p5 = p[col + 40];\n      p6 = p[col + 48];\n      p7 = p[col + 56];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 8192) >> 14;\n        // Convert to 8-bit.\n        if (t < -2040) {\n          t = 0;\n        } else if (t >= 2024) {\n          t = 255;\n        } else {\n          t = (t + 2056) >> 4;\n        }\n        blockData[blockBufferOffset + col] = t;\n        blockData[blockBufferOffset + col + 8] = t;\n        blockData[blockBufferOffset + col + 16] = t;\n        blockData[blockBufferOffset + col + 24] = t;\n        blockData[blockBufferOffset + col + 32] = t;\n        blockData[blockBufferOffset + col + 40] = t;\n        blockData[blockBufferOffset + col + 48] = t;\n        blockData[blockBufferOffset + col + 56] = t;\n        continue;\n      }\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 2048) >> 12;\n      v1 = (dctSqrt2 * p4 + 2048) >> 12;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12;\n      v5 = p3;\n      v6 = p5;\n\n      // stage 3\n      // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when\n      // converting to UInt8 range later.\n      v0 = ((v0 + v1 + 1) >> 1) + 4112;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p0 = v0 + v7;\n      p7 = v0 - v7;\n      p1 = v1 + v6;\n      p6 = v1 - v6;\n      p2 = v2 + v5;\n      p5 = v2 - v5;\n      p3 = v3 + v4;\n      p4 = v3 - v4;\n\n      // Convert to 8-bit integers.\n      if (p0 < 16) {\n        p0 = 0;\n      } else if (p0 >= 4080) {\n        p0 = 255;\n      } else {\n        p0 >>= 4;\n      }\n      if (p1 < 16) {\n        p1 = 0;\n      } else if (p1 >= 4080) {\n        p1 = 255;\n      } else {\n        p1 >>= 4;\n      }\n      if (p2 < 16) {\n        p2 = 0;\n      } else if (p2 >= 4080) {\n        p2 = 255;\n      } else {\n        p2 >>= 4;\n      }\n      if (p3 < 16) {\n        p3 = 0;\n      } else if (p3 >= 4080) {\n        p3 = 255;\n      } else {\n        p3 >>= 4;\n      }\n      if (p4 < 16) {\n        p4 = 0;\n      } else if (p4 >= 4080) {\n        p4 = 255;\n      } else {\n        p4 >>= 4;\n      }\n      if (p5 < 16) {\n        p5 = 0;\n      } else if (p5 >= 4080) {\n        p5 = 255;\n      } else {\n        p5 >>= 4;\n      }\n      if (p6 < 16) {\n        p6 = 0;\n      } else if (p6 >= 4080) {\n        p6 = 255;\n      } else {\n        p6 >>= 4;\n      }\n      if (p7 < 16) {\n        p7 = 0;\n      } else if (p7 >= 4080) {\n        p7 = 255;\n      } else {\n        p7 >>= 4;\n      }\n\n      // store block data\n      blockData[blockBufferOffset + col] = p0;\n      blockData[blockBufferOffset + col + 8] = p1;\n      blockData[blockBufferOffset + col + 16] = p2;\n      blockData[blockBufferOffset + col + 24] = p3;\n      blockData[blockBufferOffset + col + 32] = p4;\n      blockData[blockBufferOffset + col + 40] = p5;\n      blockData[blockBufferOffset + col + 48] = p6;\n      blockData[blockBufferOffset + col + 56] = p7;\n    }\n  }\n\n  function buildComponentData(frame, component) {\n    var blocksPerLine = component.blocksPerLine;\n    var blocksPerColumn = component.blocksPerColumn;\n    var computationBuffer = new Int16Array(64);\n\n    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {\n      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {\n        var offset = getBlockBufferOffset(component, blockRow, blockCol);\n        quantizeAndInverse(component, offset, computationBuffer);\n      }\n    }\n    return component.blockData;\n  }\n\n  function findNextFileMarker(data, currentPos, startPos = currentPos) {\n    const maxPos = data.length - 1;\n    var newPos = startPos < currentPos ? startPos : currentPos;\n\n    if (currentPos >= maxPos) {\n      return null; // Don't attempt to read non-existent data and just return.\n    }\n    var currentMarker = readUint16(data, currentPos);\n    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {\n      return {\n        invalid: null,\n        marker: currentMarker,\n        offset: currentPos,\n      };\n    }\n    var newMarker = readUint16(data, newPos);\n    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {\n      if (++newPos >= maxPos) {\n        return null; // Don't attempt to read non-existent data and just return.\n      }\n      newMarker = readUint16(data, newPos);\n    }\n    return {\n      invalid: currentMarker.toString(16),\n      marker: newMarker,\n      offset: newPos,\n    };\n  }\n\n  JpegImage.prototype = {\n    parse(data, { dnlScanLines = null } = {}) {\n      function readDataBlock() {\n        const length = readUint16(data, offset);\n        offset += 2;\n        let endOffset = offset + length - 2;\n\n        var fileMarker = findNextFileMarker(data, endOffset, offset);\n        if (fileMarker && fileMarker.invalid) {\n          warn(\n            \"readDataBlock - incorrect length, current marker is: \" +\n              fileMarker.invalid\n          );\n          endOffset = fileMarker.offset;\n        }\n\n        var array = data.subarray(offset, endOffset);\n        offset += array.length;\n        return array;\n      }\n\n      function prepareComponents(frame) {\n        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);\n        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);\n        for (var i = 0; i < frame.components.length; i++) {\n          component = frame.components[i];\n          var blocksPerLine = Math.ceil(\n            (Math.ceil(frame.samplesPerLine / 8) * component.h) / frame.maxH\n          );\n          var blocksPerColumn = Math.ceil(\n            (Math.ceil(frame.scanLines / 8) * component.v) / frame.maxV\n          );\n          var blocksPerLineForMcu = mcusPerLine * component.h;\n          var blocksPerColumnForMcu = mcusPerColumn * component.v;\n\n          var blocksBufferSize =\n            64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);\n          component.blockData = new Int16Array(blocksBufferSize);\n          component.blocksPerLine = blocksPerLine;\n          component.blocksPerColumn = blocksPerColumn;\n        }\n        frame.mcusPerLine = mcusPerLine;\n        frame.mcusPerColumn = mcusPerColumn;\n      }\n\n      var offset = 0;\n      var jfif = null;\n      var adobe = null;\n      var frame, resetInterval;\n      let numSOSMarkers = 0;\n      var quantizationTables = [];\n      var huffmanTablesAC = [],\n        huffmanTablesDC = [];\n\n      let fileMarker = readUint16(data, offset);\n      offset += 2;\n      if (fileMarker !== /* SOI (Start of Image) = */ 0xffd8) {\n        throw new JpegError(\"SOI not found\");\n      }\n      fileMarker = readUint16(data, offset);\n      offset += 2;\n\n      markerLoop: while (fileMarker !== /* EOI (End of Image) = */ 0xffd9) {\n        var i, j, l;\n        switch (fileMarker) {\n          case 0xffe0: // APP0 (Application Specific)\n          case 0xffe1: // APP1\n          case 0xffe2: // APP2\n          case 0xffe3: // APP3\n          case 0xffe4: // APP4\n          case 0xffe5: // APP5\n          case 0xffe6: // APP6\n          case 0xffe7: // APP7\n          case 0xffe8: // APP8\n          case 0xffe9: // APP9\n          case 0xffea: // APP10\n          case 0xffeb: // APP11\n          case 0xffec: // APP12\n          case 0xffed: // APP13\n          case 0xffee: // APP14\n          case 0xffef: // APP15\n          case 0xfffe: // COM (Comment)\n            var appData = readDataBlock();\n\n            if (fileMarker === 0xffe0) {\n              // 'JFIF\\x00'\n              if (\n                appData[0] === 0x4a &&\n                appData[1] === 0x46 &&\n                appData[2] === 0x49 &&\n                appData[3] === 0x46 &&\n                appData[4] === 0\n              ) {\n                jfif = {\n                  version: { major: appData[5], minor: appData[6] },\n                  densityUnits: appData[7],\n                  xDensity: (appData[8] << 8) | appData[9],\n                  yDensity: (appData[10] << 8) | appData[11],\n                  thumbWidth: appData[12],\n                  thumbHeight: appData[13],\n                  thumbData: appData.subarray(\n                    14,\n                    14 + 3 * appData[12] * appData[13]\n                  ),\n                };\n              }\n            }\n            // TODO APP1 - Exif\n            if (fileMarker === 0xffee) {\n              // 'Adobe'\n              if (\n                appData[0] === 0x41 &&\n                appData[1] === 0x64 &&\n                appData[2] === 0x6f &&\n                appData[3] === 0x62 &&\n                appData[4] === 0x65\n              ) {\n                adobe = {\n                  version: (appData[5] << 8) | appData[6],\n                  flags0: (appData[7] << 8) | appData[8],\n                  flags1: (appData[9] << 8) | appData[10],\n                  transformCode: appData[11],\n                };\n              }\n            }\n            break;\n\n          case 0xffdb: // DQT (Define Quantization Tables)\n            const quantizationTablesLength = readUint16(data, offset);\n            offset += 2;\n            var quantizationTablesEnd = quantizationTablesLength + offset - 2;\n            var z;\n            while (offset < quantizationTablesEnd) {\n              var quantizationTableSpec = data[offset++];\n              var tableData = new Uint16Array(64);\n              if (quantizationTableSpec >> 4 === 0) {\n                // 8 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = data[offset++];\n                }\n              } else if (quantizationTableSpec >> 4 === 1) {\n                // 16 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = readUint16(data, offset);\n                  offset += 2;\n                }\n              } else {\n                throw new JpegError(\"DQT - invalid table spec\");\n              }\n              quantizationTables[quantizationTableSpec & 15] = tableData;\n            }\n            break;\n\n          case 0xffc0: // SOF0 (Start of Frame, Baseline DCT)\n          case 0xffc1: // SOF1 (Start of Frame, Extended DCT)\n          case 0xffc2: // SOF2 (Start of Frame, Progressive DCT)\n            if (frame) {\n              throw new JpegError(\"Only single frame JPEGs supported\");\n            }\n            offset += 2; // Skip marker length.\n\n            frame = {};\n            frame.extended = fileMarker === 0xffc1;\n            frame.progressive = fileMarker === 0xffc2;\n            frame.precision = data[offset++];\n            const sofScanLines = readUint16(data, offset);\n            offset += 2;\n            frame.scanLines = dnlScanLines || sofScanLines;\n            frame.samplesPerLine = readUint16(data, offset);\n            offset += 2;\n            frame.components = [];\n            frame.componentIds = {};\n            var componentsCount = data[offset++],\n              componentId;\n            var maxH = 0,\n              maxV = 0;\n            for (i = 0; i < componentsCount; i++) {\n              componentId = data[offset];\n              var h = data[offset + 1] >> 4;\n              var v = data[offset + 1] & 15;\n              if (maxH < h) {\n                maxH = h;\n              }\n              if (maxV < v) {\n                maxV = v;\n              }\n              var qId = data[offset + 2];\n              l = frame.components.push({\n                h,\n                v,\n                quantizationId: qId,\n                quantizationTable: null, // See comment below.\n              });\n              frame.componentIds[componentId] = l - 1;\n              offset += 3;\n            }\n            frame.maxH = maxH;\n            frame.maxV = maxV;\n            prepareComponents(frame);\n            break;\n\n          case 0xffc4: // DHT (Define Huffman Tables)\n            const huffmanLength = readUint16(data, offset);\n            offset += 2;\n            for (i = 2; i < huffmanLength; ) {\n              var huffmanTableSpec = data[offset++];\n              var codeLengths = new Uint8Array(16);\n              var codeLengthSum = 0;\n              for (j = 0; j < 16; j++, offset++) {\n                codeLengthSum += codeLengths[j] = data[offset];\n              }\n              var huffmanValues = new Uint8Array(codeLengthSum);\n              for (j = 0; j < codeLengthSum; j++, offset++) {\n                huffmanValues[j] = data[offset];\n              }\n              i += 17 + codeLengthSum;\n\n              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[\n                huffmanTableSpec & 15\n              ] = buildHuffmanTable(codeLengths, huffmanValues);\n            }\n            break;\n\n          case 0xffdd: // DRI (Define Restart Interval)\n            offset += 2; // Skip marker length.\n\n            resetInterval = readUint16(data, offset);\n            offset += 2;\n            break;\n\n          case 0xffda: // SOS (Start of Scan)\n            // A DNL marker (0xFFDC), if it exists, is only allowed at the end\n            // of the first scan segment and may only occur once in an image.\n            // Furthermore, to prevent an infinite loop, do *not* attempt to\n            // parse DNL markers during re-parsing of the JPEG scan data.\n            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;\n\n            offset += 2; // Skip marker length.\n\n            var selectorsCount = data[offset++];\n            var components = [],\n              component;\n            for (i = 0; i < selectorsCount; i++) {\n              const index = data[offset++];\n              var componentIndex = frame.componentIds[index];\n              component = frame.components[componentIndex];\n              component.index = index;\n              var tableSpec = data[offset++];\n              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];\n              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];\n              components.push(component);\n            }\n            var spectralStart = data[offset++];\n            var spectralEnd = data[offset++];\n            var successiveApproximation = data[offset++];\n            try {\n              var processed = decodeScan(\n                data,\n                offset,\n                frame,\n                components,\n                resetInterval,\n                spectralStart,\n                spectralEnd,\n                successiveApproximation >> 4,\n                successiveApproximation & 15,\n                parseDNLMarker\n              );\n              offset += processed;\n            } catch (ex) {\n              if (ex instanceof DNLMarkerError) {\n                warn(`${ex.message} -- attempting to re-parse the JPEG image.`);\n                return this.parse(data, { dnlScanLines: ex.scanLines });\n              } else if (ex instanceof EOIMarkerError) {\n                warn(`${ex.message} -- ignoring the rest of the image data.`);\n                break markerLoop;\n              }\n              throw ex;\n            }\n            break;\n\n          case 0xffdc: // DNL (Define Number of Lines)\n            // Ignore the marker, since it's being handled in `decodeScan`.\n            offset += 4;\n            break;\n\n          case 0xffff: // Fill bytes\n            if (data[offset] !== 0xff) {\n              // Avoid skipping a valid marker.\n              offset--;\n            }\n            break;\n\n          default:\n            // Could be incorrect encoding -- the last 0xFF byte of the previous\n            // block could have been eaten by the encoder, hence we fallback to\n            // `startPos = offset - 3` when looking for the next valid marker.\n            const nextFileMarker = findNextFileMarker(\n              data,\n              /* currentPos = */ offset - 2,\n              /* startPos = */ offset - 3\n            );\n            if (nextFileMarker && nextFileMarker.invalid) {\n              warn(\n                \"JpegImage.parse - unexpected data, current marker is: \" +\n                  nextFileMarker.invalid\n              );\n              offset = nextFileMarker.offset;\n              break;\n            }\n            if (offset >= data.length - 1) {\n              warn(\n                \"JpegImage.parse - reached the end of the image data \" +\n                  \"without finding an EOI marker (0xFFD9).\"\n              );\n              break markerLoop;\n            }\n            throw new JpegError(\n              \"JpegImage.parse - unknown marker: \" + fileMarker.toString(16)\n            );\n        }\n        fileMarker = readUint16(data, offset);\n        offset += 2;\n      }\n\n      this.width = frame.samplesPerLine;\n      this.height = frame.scanLines;\n      this.jfif = jfif;\n      this.adobe = adobe;\n      this.components = [];\n      for (i = 0; i < frame.components.length; i++) {\n        component = frame.components[i];\n\n        // Prevent errors when DQT markers are placed after SOF{n} markers,\n        // by assigning the `quantizationTable` entry after the entire image\n        // has been parsed (fixes issue7406.pdf).\n        var quantizationTable = quantizationTables[component.quantizationId];\n        if (quantizationTable) {\n          component.quantizationTable = quantizationTable;\n        }\n\n        this.components.push({\n          index: component.index,\n          output: buildComponentData(frame, component),\n          scaleX: component.h / frame.maxH,\n          scaleY: component.v / frame.maxV,\n          blocksPerLine: component.blocksPerLine,\n          blocksPerColumn: component.blocksPerColumn,\n        });\n      }\n      this.numComponents = this.components.length;\n      return undefined;\n    },\n\n    _getLinearizedBlockData(width, height, isSourcePDF = false) {\n      var scaleX = this.width / width,\n        scaleY = this.height / height;\n\n      var component, componentScaleX, componentScaleY, blocksPerScanline;\n      var x, y, i, j, k;\n      var index;\n      var offset = 0;\n      var output;\n      var numComponents = this.components.length;\n      var dataLength = width * height * numComponents;\n      var data = new Uint8ClampedArray(dataLength);\n      var xScaleBlockOffset = new Uint32Array(width);\n      var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs\n      let lastComponentScaleX;\n\n      for (i = 0; i < numComponents; i++) {\n        component = this.components[i];\n        componentScaleX = component.scaleX * scaleX;\n        componentScaleY = component.scaleY * scaleY;\n        offset = i;\n        output = component.output;\n        blocksPerScanline = (component.blocksPerLine + 1) << 3;\n        // Precalculate the `xScaleBlockOffset`. Since it doesn't depend on the\n        // component data, that's only necessary when `componentScaleX` changes.\n        if (componentScaleX !== lastComponentScaleX) {\n          for (x = 0; x < width; x++) {\n            j = 0 | (x * componentScaleX);\n            xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7);\n          }\n          lastComponentScaleX = componentScaleX;\n        }\n        // linearize the blocks of the component\n        for (y = 0; y < height; y++) {\n          j = 0 | (y * componentScaleY);\n          index = (blocksPerScanline * (j & mask3LSB)) | ((j & 7) << 3);\n          for (x = 0; x < width; x++) {\n            data[offset] = output[index + xScaleBlockOffset[x]];\n            offset += numComponents;\n          }\n        }\n      }\n\n      // decodeTransform contains pairs of multiplier (-256..256) and additive\n      let transform = this._decodeTransform;\n\n      // In PDF files, JPEG images with CMYK colour spaces are usually inverted\n      // (this can be observed by extracting the raw image data).\n      // Since the conversion algorithms (see below) were written primarily for\n      // the PDF use-cases, attempting to use `JpegImage` to parse standalone\n      // JPEG (CMYK) images may thus result in inverted images (see issue 9513).\n      //\n      // Unfortunately it's not (always) possible to tell, from the image data\n      // alone, if it needs to be inverted. Thus in an attempt to provide better\n      // out-of-box behaviour when `JpegImage` is used standalone, default to\n      // inverting JPEG (CMYK) images if and only if the image data does *not*\n      // come from a PDF file and no `decodeTransform` was passed by the user.\n      if (!isSourcePDF && numComponents === 4 && !transform) {\n        // prettier-ignore\n        transform = new Int32Array([\n          -256, 255, -256, 255, -256, 255, -256, 255]);\n      }\n\n      if (transform) {\n        for (i = 0; i < dataLength; ) {\n          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {\n            data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1];\n          }\n        }\n      }\n      return data;\n    },\n\n    get _isColorConversionNeeded() {\n      if (this.adobe) {\n        // The adobe transform marker overrides any previous setting.\n        return !!this.adobe.transformCode;\n      }\n      if (this.numComponents === 3) {\n        if (this._colorTransform === 0) {\n          // If the Adobe transform marker is not present and the image\n          // dictionary has a 'ColorTransform' entry, explicitly set to `0`,\n          // then the colours should *not* be transformed.\n          return false;\n        } else if (\n          this.components[0].index === /* \"R\" = */ 0x52 &&\n          this.components[1].index === /* \"G\" = */ 0x47 &&\n          this.components[2].index === /* \"B\" = */ 0x42\n        ) {\n          // If the three components are indexed as RGB in ASCII\n          // then the colours should *not* be transformed.\n          return false;\n        }\n        return true;\n      }\n      // `this.numComponents !== 3`\n      if (this._colorTransform === 1) {\n        // If the Adobe transform marker is not present and the image\n        // dictionary has a 'ColorTransform' entry, explicitly set to `1`,\n        // then the colours should be transformed.\n        return true;\n      }\n      return false;\n    },\n\n    _convertYccToRgb: function convertYccToRgb(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 3) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = Y - 179.456 + 1.402 * Cr;\n        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;\n        data[i + 2] = Y - 226.816 + 1.772 * Cb;\n      }\n      return data;\n    },\n\n    _convertYcckToRgb: function convertYcckToRgb(data) {\n      var Y, Cb, Cr, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          -122.67195406894 +\n          Cb *\n            (-6.60635669420364e-5 * Cb +\n              0.000437130475926232 * Cr -\n              5.4080610064599e-5 * Y +\n              0.00048449797120281 * k -\n              0.154362151871126) +\n          Cr *\n            (-0.000957964378445773 * Cr +\n              0.000817076911346625 * Y -\n              0.00477271405408747 * k +\n              1.53380253221734) +\n          Y *\n            (0.000961250184130688 * Y -\n              0.00266257332283933 * k +\n              0.48357088451265) +\n          k * (-0.000336197177618394 * k + 0.484791561490776);\n\n        data[offset++] =\n          107.268039397724 +\n          Cb *\n            (2.19927104525741e-5 * Cb -\n              0.000640992018297945 * Cr +\n              0.000659397001245577 * Y +\n              0.000426105652938837 * k -\n              0.176491792462875) +\n          Cr *\n            (-0.000778269941513683 * Cr +\n              0.00130872261408275 * Y +\n              0.000770482631801132 * k -\n              0.151051492775562) +\n          Y *\n            (0.00126935368114843 * Y -\n              0.00265090189010898 * k +\n              0.25802910206845) +\n          k * (-0.000318913117588328 * k - 0.213742400323665);\n\n        data[offset++] =\n          -20.810012546947 +\n          Cb *\n            (-0.000570115196973677 * Cb -\n              2.63409051004589e-5 * Cr +\n              0.0020741088115012 * Y -\n              0.00288260236853442 * k +\n              0.814272968359295) +\n          Cr *\n            (-1.53496057440975e-5 * Cr -\n              0.000132689043961446 * Y +\n              0.000560833691242812 * k -\n              0.195152027534049) +\n          Y *\n            (0.00174418132927582 * Y -\n              0.00255243321439347 * k +\n              0.116935020465145) +\n          k * (-0.000343531996510555 * k + 0.24165260232407);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    _convertYcckToCmyk: function convertYcckToCmyk(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = 434.456 - Y - 1.402 * Cr;\n        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;\n        data[i + 2] = 481.816 - Y - 1.772 * Cb;\n        // K in data[i + 3] is unchanged\n      }\n      return data;\n    },\n\n    _convertCmykToRgb: function convertCmykToRgb(data) {\n      var c, m, y, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        c = data[i];\n        m = data[i + 1];\n        y = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          255 +\n          c *\n            (-0.00006747147073602441 * c +\n              0.0008379262121013727 * m +\n              0.0002894718188643294 * y +\n              0.003264231057537806 * k -\n              1.1185611867203937) +\n          m *\n            (0.000026374107616089405 * m -\n              0.00008626949158638572 * y -\n              0.0002748769067499491 * k -\n              0.02155688794978967) +\n          y *\n            (-0.00003878099212869363 * y -\n              0.0003267808279485286 * k +\n              0.0686742238595345) -\n          k * (0.0003361971776183937 * k + 0.7430659151342254);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.00013596372813588848 * c +\n              0.000924537132573585 * m +\n              0.00010567359618683593 * y +\n              0.0004791864687436512 * k -\n              0.3109689587515875) +\n          m *\n            (-0.00023545346108370344 * m +\n              0.0002702845253534714 * y +\n              0.0020200308977307156 * k -\n              0.7488052167015494) +\n          y *\n            (0.00006834815998235662 * y +\n              0.00015168452363460973 * k -\n              0.09751927774728933) -\n          k * (0.00031891311758832814 * k + 0.7364883807733168);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.000013598650411385307 * c +\n              0.00012423956175490851 * m +\n              0.0004751985097583589 * y -\n              0.0000036729317476630422 * k -\n              0.05562186980264034) +\n          m *\n            (0.00016141380598724676 * m +\n              0.0009692239130725186 * y +\n              0.0007782692450036253 * k -\n              0.44015232367526463) +\n          y *\n            (5.068882914068769e-7 * y +\n              0.0017778369011375071 * k -\n              0.7591454649749609) -\n          k * (0.0003435319965105553 * k + 0.7063770186160144);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    getData({ width, height, forceRGB = false, isSourcePDF = false }) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          isSourcePDF === true,\n          'JpegImage.getData: Unexpected \"isSourcePDF\" value for PDF files.'\n        );\n      }\n      if (this.numComponents > 4) {\n        throw new JpegError(\"Unsupported color mode\");\n      }\n      // Type of data: Uint8ClampedArray(width * height * numComponents)\n      var data = this._getLinearizedBlockData(width, height, isSourcePDF);\n\n      if (this.numComponents === 1 && forceRGB) {\n        var dataLength = data.length;\n        var rgbData = new Uint8ClampedArray(dataLength * 3);\n        var offset = 0;\n        for (var i = 0; i < dataLength; i++) {\n          var grayColor = data[i];\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n        }\n        return rgbData;\n      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {\n        return this._convertYccToRgb(data);\n      } else if (this.numComponents === 4) {\n        if (this._isColorConversionNeeded) {\n          if (forceRGB) {\n            return this._convertYcckToRgb(data);\n          }\n          return this._convertYcckToCmyk(data);\n        } else if (forceRGB) {\n          return this._convertCmykToRgb(data);\n        }\n      }\n      return data;\n    },\n  };\n\n  return JpegImage;\n})();\n\nexport { JpegImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DecodeStream } from \"./stream.js\";\nimport { JpxImage } from \"./jpx.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JPEG 2000's we use a library to decode these images and\n * the stream behaves like all the other DecodeStreams.\n */\nconst JpxStream = (function JpxStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function JpxStream(stream, maybeLength, dict, params) {\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  JpxStream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(JpxStream.prototype, \"bytes\", {\n    get: function JpxStream_bytes() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  JpxStream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  JpxStream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jpxImage = new JpxImage();\n    jpxImage.parse(this.bytes);\n\n    const width = jpxImage.width;\n    const height = jpxImage.height;\n    const componentsCount = jpxImage.componentsCount;\n    const tileCount = jpxImage.tiles.length;\n    if (tileCount === 1) {\n      this.buffer = jpxImage.tiles[0].items;\n    } else {\n      const data = new Uint8ClampedArray(width * height * componentsCount);\n\n      for (let k = 0; k < tileCount; k++) {\n        const tileComponents = jpxImage.tiles[k];\n        const tileWidth = tileComponents.width;\n        const tileHeight = tileComponents.height;\n        const tileLeft = tileComponents.left;\n        const tileTop = tileComponents.top;\n\n        const src = tileComponents.items;\n        let srcPosition = 0;\n        let dataPosition = (width * tileTop + tileLeft) * componentsCount;\n        const imgRowSize = width * componentsCount;\n        const tileRowSize = tileWidth * componentsCount;\n\n        for (let j = 0; j < tileHeight; j++) {\n          const rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);\n          data.set(rowBytes, dataPosition);\n          srcPosition += tileRowSize;\n          dataPosition += imgRowSize;\n        }\n      }\n      this.buffer = data;\n    }\n    this.bufferLength = this.buffer.length;\n    this.eof = true;\n  };\n\n  return JpxStream;\n})();\n\nexport { JpxStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, info, warn } from \"../shared/util.js\";\nimport { log2, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\n\nclass JpxError extends BaseException {\n  constructor(msg) {\n    super(`JPX error: ${msg}`);\n  }\n}\n\nvar JpxImage = (function JpxImageClosure() {\n  // Table E.1\n  var SubbandsGainLog2 = {\n    LL: 0,\n    LH: 1,\n    HL: 1,\n    HH: 2,\n  };\n\n  // eslint-disable-next-line no-shadow\n  function JpxImage() {\n    this.failOnCorruptedImage = false;\n  }\n  JpxImage.prototype = {\n    parse: function JpxImage_parse(data) {\n      var head = readUint16(data, 0);\n      // No box header, immediate start of codestream (SOC)\n      if (head === 0xff4f) {\n        this.parseCodestream(data, 0, data.length);\n        return;\n      }\n\n      var position = 0,\n        length = data.length;\n      while (position < length) {\n        var headerSize = 8;\n        var lbox = readUint32(data, position);\n        var tbox = readUint32(data, position + 4);\n        position += headerSize;\n        if (lbox === 1) {\n          // XLBox: read UInt64 according to spec.\n          // JavaScript's int precision of 53 bit should be sufficient here.\n          lbox =\n            readUint32(data, position) * 4294967296 +\n            readUint32(data, position + 4);\n          position += 8;\n          headerSize += 8;\n        }\n        if (lbox === 0) {\n          lbox = length - position + headerSize;\n        }\n        if (lbox < headerSize) {\n          throw new JpxError(\"Invalid box field size\");\n        }\n        var dataLength = lbox - headerSize;\n        var jumpDataLength = true;\n        switch (tbox) {\n          case 0x6a703268: // 'jp2h'\n            jumpDataLength = false; // parsing child boxes\n            break;\n          case 0x636f6c72: // 'colr'\n            // Colorspaces are not used, the CS from the PDF is used.\n            var method = data[position];\n            if (method === 1) {\n              // enumerated colorspace\n              var colorspace = readUint32(data, position + 3);\n              switch (colorspace) {\n                case 16: // this indicates a sRGB colorspace\n                case 17: // this indicates a grayscale colorspace\n                case 18: // this indicates a YUV colorspace\n                  break;\n                default:\n                  warn(\"Unknown colorspace \" + colorspace);\n                  break;\n              }\n            } else if (method === 2) {\n              info(\"ICC profile not supported\");\n            }\n            break;\n          case 0x6a703263: // 'jp2c'\n            this.parseCodestream(data, position, position + dataLength);\n            break;\n          case 0x6a502020: // 'jP\\024\\024'\n            if (readUint32(data, position) !== 0x0d0a870a) {\n              warn(\"Invalid JP2 signature\");\n            }\n            break;\n          // The following header types are valid but currently not used:\n          case 0x6a501a1a: // 'jP\\032\\032'\n          case 0x66747970: // 'ftyp'\n          case 0x72726571: // 'rreq'\n          case 0x72657320: // 'res '\n          case 0x69686472: // 'ihdr'\n            break;\n          default:\n            var headerType = String.fromCharCode(\n              (tbox >> 24) & 0xff,\n              (tbox >> 16) & 0xff,\n              (tbox >> 8) & 0xff,\n              tbox & 0xff\n            );\n            warn(\"Unsupported header type \" + tbox + \" (\" + headerType + \")\");\n            break;\n        }\n        if (jumpDataLength) {\n          position += dataLength;\n        }\n      }\n    },\n    parseImageProperties: function JpxImage_parseImageProperties(stream) {\n      var newByte = stream.getByte();\n      while (newByte >= 0) {\n        var oldByte = newByte;\n        newByte = stream.getByte();\n        var code = (oldByte << 8) | newByte;\n        // Image and tile size (SIZ)\n        if (code === 0xff51) {\n          stream.skip(4);\n          var Xsiz = stream.getInt32() >>> 0; // Byte 4\n          var Ysiz = stream.getInt32() >>> 0; // Byte 8\n          var XOsiz = stream.getInt32() >>> 0; // Byte 12\n          var YOsiz = stream.getInt32() >>> 0; // Byte 16\n          stream.skip(16);\n          var Csiz = stream.getUint16(); // Byte 36\n          this.width = Xsiz - XOsiz;\n          this.height = Ysiz - YOsiz;\n          this.componentsCount = Csiz;\n          // Results are always returned as `Uint8ClampedArray`s.\n          this.bitsPerComponent = 8;\n          return;\n        }\n      }\n      throw new JpxError(\"No size marker found in JPX stream\");\n    },\n    parseCodestream: function JpxImage_parseCodestream(data, start, end) {\n      var context = {};\n      var doNotRecover = false;\n      try {\n        var position = start;\n        while (position + 1 < end) {\n          var code = readUint16(data, position);\n          position += 2;\n\n          var length = 0,\n            j,\n            sqcd,\n            spqcds,\n            spqcdSize,\n            scalarExpounded,\n            tile;\n          switch (code) {\n            case 0xff4f: // Start of codestream (SOC)\n              context.mainHeader = true;\n              break;\n            case 0xffd9: // End of codestream (EOC)\n              break;\n            case 0xff51: // Image and tile size (SIZ)\n              length = readUint16(data, position);\n              var siz = {};\n              siz.Xsiz = readUint32(data, position + 4);\n              siz.Ysiz = readUint32(data, position + 8);\n              siz.XOsiz = readUint32(data, position + 12);\n              siz.YOsiz = readUint32(data, position + 16);\n              siz.XTsiz = readUint32(data, position + 20);\n              siz.YTsiz = readUint32(data, position + 24);\n              siz.XTOsiz = readUint32(data, position + 28);\n              siz.YTOsiz = readUint32(data, position + 32);\n              var componentsCount = readUint16(data, position + 36);\n              siz.Csiz = componentsCount;\n              var components = [];\n              j = position + 38;\n              for (var i = 0; i < componentsCount; i++) {\n                var component = {\n                  precision: (data[j] & 0x7f) + 1,\n                  isSigned: !!(data[j] & 0x80),\n                  XRsiz: data[j + 1],\n                  YRsiz: data[j + 2],\n                };\n                j += 3;\n                calculateComponentDimensions(component, siz);\n                components.push(component);\n              }\n              context.SIZ = siz;\n              context.components = components;\n              calculateTileGrids(context, components);\n              context.QCC = [];\n              context.COC = [];\n              break;\n            case 0xff5c: // Quantization default (QCD)\n              length = readUint16(data, position);\n              var qcd = {};\n              j = position + 2;\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcd.noQuantization = spqcdSize === 8;\n              qcd.scalarExpounded = scalarExpounded;\n              qcd.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                var spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcd.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCD = qcd;\n              } else {\n                context.currentTile.QCD = qcd;\n                context.currentTile.QCC = [];\n              }\n              break;\n            case 0xff5d: // Quantization component (QCC)\n              length = readUint16(data, position);\n              var qcc = {};\n              j = position + 2;\n              var cqcc;\n              if (context.SIZ.Csiz < 257) {\n                cqcc = data[j++];\n              } else {\n                cqcc = readUint16(data, j);\n                j += 2;\n              }\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcc.noQuantization = spqcdSize === 8;\n              qcc.scalarExpounded = scalarExpounded;\n              qcc.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcc.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCC[cqcc] = qcc;\n              } else {\n                context.currentTile.QCC[cqcc] = qcc;\n              }\n              break;\n            case 0xff52: // Coding style default (COD)\n              length = readUint16(data, position);\n              var cod = {};\n              j = position + 2;\n              var scod = data[j++];\n              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);\n              cod.sopMarkerUsed = !!(scod & 2);\n              cod.ephMarkerUsed = !!(scod & 4);\n              cod.progressionOrder = data[j++];\n              cod.layersCount = readUint16(data, j);\n              j += 2;\n              cod.multipleComponentTransform = data[j++];\n\n              cod.decompositionLevelsCount = data[j++];\n              cod.xcb = (data[j++] & 0xf) + 2;\n              cod.ycb = (data[j++] & 0xf) + 2;\n              var blockStyle = data[j++];\n              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);\n              cod.resetContextProbabilities = !!(blockStyle & 2);\n              cod.terminationOnEachCodingPass = !!(blockStyle & 4);\n              cod.verticallyStripe = !!(blockStyle & 8);\n              cod.predictableTermination = !!(blockStyle & 16);\n              cod.segmentationSymbolUsed = !!(blockStyle & 32);\n              cod.reversibleTransformation = data[j++];\n              if (cod.entropyCoderWithCustomPrecincts) {\n                var precinctsSizes = [];\n                while (j < length + position) {\n                  var precinctsSize = data[j++];\n                  precinctsSizes.push({\n                    PPx: precinctsSize & 0xf,\n                    PPy: precinctsSize >> 4,\n                  });\n                }\n                cod.precinctsSizes = precinctsSizes;\n              }\n              var unsupported = [];\n              if (cod.selectiveArithmeticCodingBypass) {\n                unsupported.push(\"selectiveArithmeticCodingBypass\");\n              }\n              if (cod.resetContextProbabilities) {\n                unsupported.push(\"resetContextProbabilities\");\n              }\n              if (cod.terminationOnEachCodingPass) {\n                unsupported.push(\"terminationOnEachCodingPass\");\n              }\n              if (cod.verticallyStripe) {\n                unsupported.push(\"verticallyStripe\");\n              }\n              if (cod.predictableTermination) {\n                unsupported.push(\"predictableTermination\");\n              }\n              if (unsupported.length > 0) {\n                doNotRecover = true;\n                throw new Error(\n                  \"Unsupported COD options (\" + unsupported.join(\", \") + \")\"\n                );\n              }\n              if (context.mainHeader) {\n                context.COD = cod;\n              } else {\n                context.currentTile.COD = cod;\n                context.currentTile.COC = [];\n              }\n              break;\n            case 0xff90: // Start of tile-part (SOT)\n              length = readUint16(data, position);\n              tile = {};\n              tile.index = readUint16(data, position + 2);\n              tile.length = readUint32(data, position + 4);\n              tile.dataEnd = tile.length + position - 2;\n              tile.partIndex = data[position + 8];\n              tile.partsCount = data[position + 9];\n\n              context.mainHeader = false;\n              if (tile.partIndex === 0) {\n                // reset component specific settings\n                tile.COD = context.COD;\n                tile.COC = context.COC.slice(0); // clone of the global COC\n                tile.QCD = context.QCD;\n                tile.QCC = context.QCC.slice(0); // clone of the global COC\n              }\n              context.currentTile = tile;\n              break;\n            case 0xff93: // Start of data (SOD)\n              tile = context.currentTile;\n              if (tile.partIndex === 0) {\n                initializeTile(context, tile.index);\n                buildPackets(context);\n              }\n\n              // moving to the end of the data\n              length = tile.dataEnd - position;\n              parseTilePackets(context, data, position, length);\n              break;\n            case 0xff55: // Tile-part lengths, main header (TLM)\n            case 0xff57: // Packet length, main header (PLM)\n            case 0xff58: // Packet length, tile-part header (PLT)\n            case 0xff64: // Comment (COM)\n              length = readUint16(data, position);\n              // skipping content\n              break;\n            case 0xff53: // Coding style component (COC)\n              throw new Error(\n                \"Codestream code 0xFF53 (COC) is not implemented\"\n              );\n            default:\n              throw new Error(\"Unknown codestream code: \" + code.toString(16));\n          }\n          position += length;\n        }\n      } catch (e) {\n        if (doNotRecover || this.failOnCorruptedImage) {\n          throw new JpxError(e.message);\n        } else {\n          warn(\"JPX: Trying to recover from: \" + e.message);\n        }\n      }\n      this.tiles = transformComponents(context);\n      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;\n      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;\n      this.componentsCount = context.SIZ.Csiz;\n    },\n  };\n  function calculateComponentDimensions(component, siz) {\n    // Section B.2 Component mapping\n    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);\n    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);\n    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);\n    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);\n    component.width = component.x1 - component.x0;\n    component.height = component.y1 - component.y0;\n  }\n  function calculateTileGrids(context, components) {\n    var siz = context.SIZ;\n    // Section B.3 Division into tile and tile-components\n    var tile,\n      tiles = [];\n    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);\n    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);\n    for (var q = 0; q < numYtiles; q++) {\n      for (var p = 0; p < numXtiles; p++) {\n        tile = {};\n        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);\n        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);\n        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);\n        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);\n        tile.width = tile.tx1 - tile.tx0;\n        tile.height = tile.ty1 - tile.ty0;\n        tile.components = [];\n        tiles.push(tile);\n      }\n    }\n    context.tiles = tiles;\n\n    var componentsCount = siz.Csiz;\n    for (var i = 0, ii = componentsCount; i < ii; i++) {\n      var component = components[i];\n      for (var j = 0, jj = tiles.length; j < jj; j++) {\n        var tileComponent = {};\n        tile = tiles[j];\n        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);\n        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);\n        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);\n        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);\n        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;\n        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;\n        tile.components[i] = tileComponent;\n      }\n    }\n  }\n  function getBlocksDimensions(context, component, r) {\n    var codOrCoc = component.codingStyleParameters;\n    var result = {};\n    if (!codOrCoc.entropyCoderWithCustomPrecincts) {\n      result.PPx = 15;\n      result.PPy = 15;\n    } else {\n      result.PPx = codOrCoc.precinctsSizes[r].PPx;\n      result.PPy = codOrCoc.precinctsSizes[r].PPy;\n    }\n    // calculate codeblock size as described in section B.7\n    result.xcb_ =\n      r > 0\n        ? Math.min(codOrCoc.xcb, result.PPx - 1)\n        : Math.min(codOrCoc.xcb, result.PPx);\n    result.ycb_ =\n      r > 0\n        ? Math.min(codOrCoc.ycb, result.PPy - 1)\n        : Math.min(codOrCoc.ycb, result.PPy);\n    return result;\n  }\n  function buildPrecincts(context, resolution, dimensions) {\n    // Section B.6 Division resolution to precincts\n    var precinctWidth = 1 << dimensions.PPx;\n    var precinctHeight = 1 << dimensions.PPy;\n    // Jasper introduces codeblock groups for mapping each subband codeblocks\n    // to precincts. Precinct partition divides a resolution according to width\n    // and height parameters. The subband that belongs to the resolution level\n    // has a different size than the level, unless it is the zero resolution.\n\n    // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding:\n    // The precinct partitioning for a particular subband is derived from a\n    // partitioning of its parent LL band (i.e., the LL band at the next higher\n    // resolution level)... The LL band associated with each resolution level is\n    // divided into precincts... Each of the resulting precinct regions is then\n    // mapped into its child subbands (if any) at the next lower resolution\n    // level. This is accomplished by using the coordinate transformation\n    // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the\n    // coordinates of a point in the LL band and child subband, respectively.\n    var isZeroRes = resolution.resLevel === 0;\n    var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1));\n    var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1));\n    var numprecinctswide =\n      resolution.trx1 > resolution.trx0\n        ? Math.ceil(resolution.trx1 / precinctWidth) -\n          Math.floor(resolution.trx0 / precinctWidth)\n        : 0;\n    var numprecinctshigh =\n      resolution.try1 > resolution.try0\n        ? Math.ceil(resolution.try1 / precinctHeight) -\n          Math.floor(resolution.try0 / precinctHeight)\n        : 0;\n    var numprecincts = numprecinctswide * numprecinctshigh;\n\n    resolution.precinctParameters = {\n      precinctWidth,\n      precinctHeight,\n      numprecinctswide,\n      numprecinctshigh,\n      numprecincts,\n      precinctWidthInSubband,\n      precinctHeightInSubband,\n    };\n  }\n  function buildCodeblocks(context, subband, dimensions) {\n    // Section B.7 Division sub-band into code-blocks\n    var xcb_ = dimensions.xcb_;\n    var ycb_ = dimensions.ycb_;\n    var codeblockWidth = 1 << xcb_;\n    var codeblockHeight = 1 << ycb_;\n    var cbx0 = subband.tbx0 >> xcb_;\n    var cby0 = subband.tby0 >> ycb_;\n    var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_;\n    var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_;\n    var precinctParameters = subband.resolution.precinctParameters;\n    var codeblocks = [];\n    var precincts = [];\n    var i, j, codeblock, precinctNumber;\n    for (j = cby0; j < cby1; j++) {\n      for (i = cbx0; i < cbx1; i++) {\n        codeblock = {\n          cbx: i,\n          cby: j,\n          tbx0: codeblockWidth * i,\n          tby0: codeblockHeight * j,\n          tbx1: codeblockWidth * (i + 1),\n          tby1: codeblockHeight * (j + 1),\n        };\n\n        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);\n        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);\n        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);\n        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);\n\n        // Calculate precinct number for this codeblock, codeblock position\n        // should be relative to its subband, use actual dimension and position\n        // See comment about codeblock group width and height\n        var pi = Math.floor(\n          (codeblock.tbx0_ - subband.tbx0) /\n            precinctParameters.precinctWidthInSubband\n        );\n        var pj = Math.floor(\n          (codeblock.tby0_ - subband.tby0) /\n            precinctParameters.precinctHeightInSubband\n        );\n        precinctNumber = pi + pj * precinctParameters.numprecinctswide;\n\n        codeblock.precinctNumber = precinctNumber;\n        codeblock.subbandType = subband.type;\n        codeblock.Lblock = 3;\n\n        if (\n          codeblock.tbx1_ <= codeblock.tbx0_ ||\n          codeblock.tby1_ <= codeblock.tby0_\n        ) {\n          continue;\n        }\n        codeblocks.push(codeblock);\n        // building precinct for the sub-band\n        var precinct = precincts[precinctNumber];\n        if (precinct !== undefined) {\n          if (i < precinct.cbxMin) {\n            precinct.cbxMin = i;\n          } else if (i > precinct.cbxMax) {\n            precinct.cbxMax = i;\n          }\n          if (j < precinct.cbyMin) {\n            precinct.cbxMin = j;\n          } else if (j > precinct.cbyMax) {\n            precinct.cbyMax = j;\n          }\n        } else {\n          precincts[precinctNumber] = precinct = {\n            cbxMin: i,\n            cbyMin: j,\n            cbxMax: i,\n            cbyMax: j,\n          };\n        }\n        codeblock.precinct = precinct;\n      }\n    }\n    subband.codeblockParameters = {\n      codeblockWidth: xcb_,\n      codeblockHeight: ycb_,\n      numcodeblockwide: cbx1 - cbx0 + 1,\n      numcodeblockhigh: cby1 - cby0 + 1,\n    };\n    subband.codeblocks = codeblocks;\n    subband.precincts = precincts;\n  }\n  function createPacket(resolution, precinctNumber, layerNumber) {\n    var precinctCodeblocks = [];\n    // Section B.10.8 Order of info in packet\n    var subbands = resolution.subbands;\n    // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence\n    for (var i = 0, ii = subbands.length; i < ii; i++) {\n      var subband = subbands[i];\n      var codeblocks = subband.codeblocks;\n      for (var j = 0, jj = codeblocks.length; j < jj; j++) {\n        var codeblock = codeblocks[j];\n        if (codeblock.precinctNumber !== precinctNumber) {\n          continue;\n        }\n        precinctCodeblocks.push(codeblock);\n      }\n    }\n    return {\n      layerNumber,\n      codeblocks: precinctCodeblocks,\n    };\n  }\n  function LayerResolutionComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var l = 0,\n      r = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.1 Layer-resolution-component-position\n      for (; l < layersCount; l++) {\n        for (; r <= maxDecompositionLevelsCount; r++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        r = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionLayerComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var r = 0,\n      l = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.2 Resolution-layer-component-position\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; l < layersCount; l++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        l = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionPositionComponentLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var l, r, c, p;\n    var maxDecompositionLevelsCount = 0;\n    for (c = 0; c < componentsCount; c++) {\n      const component = tile.components[c];\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        component.codingStyleParameters.decompositionLevelsCount\n      );\n    }\n    var maxNumPrecinctsInLevel = new Int32Array(\n      maxDecompositionLevelsCount + 1\n    );\n    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {\n      var maxNumPrecincts = 0;\n      for (c = 0; c < componentsCount; ++c) {\n        var resolutions = tile.components[c].resolutions;\n        if (r < resolutions.length) {\n          maxNumPrecincts = Math.max(\n            maxNumPrecincts,\n            resolutions[r].precinctParameters.numprecincts\n          );\n        }\n      }\n      maxNumPrecinctsInLevel[r] = maxNumPrecincts;\n    }\n    l = 0;\n    r = 0;\n    c = 0;\n    p = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.3 Resolution-position-component-layer\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; p < maxNumPrecinctsInLevel[r]; p++) {\n          for (; c < componentsCount; c++) {\n            const component = tile.components[c];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            if (p >= numprecincts) {\n              continue;\n            }\n            for (; l < layersCount; ) {\n              var packet = createPacket(resolution, p, l);\n              l++;\n              return packet;\n            }\n            l = 0;\n          }\n          c = 0;\n        }\n        p = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function PositionComponentResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var precinctsIterationSizes = precinctsSizes;\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.4 Position-component-resolution-layer\n      for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n        for (; px < precinctsIterationSizes.maxNumWide; px++) {\n          for (; c < componentsCount; c++) {\n            var component = tile.components[c];\n            var decompositionLevelsCount =\n              component.codingStyleParameters.decompositionLevelsCount;\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale =\n                precinctsSizes.components[c].resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          c = 0;\n        }\n        px = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ComponentPositionResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.5 Component-position-resolution-layer\n      for (; c < componentsCount; ++c) {\n        var component = tile.components[c];\n        var precinctsIterationSizes = precinctsSizes.components[c];\n        var decompositionLevelsCount =\n          component.codingStyleParameters.decompositionLevelsCount;\n        for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n          for (; px < precinctsIterationSizes.maxNumWide; px++) {\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale = precinctsIterationSizes.resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          px = 0;\n        }\n        py = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function getPrecinctIndexIfExist(\n    pxIndex,\n    pyIndex,\n    sizeInImageScale,\n    precinctIterationSizes,\n    resolution\n  ) {\n    var posX = pxIndex * precinctIterationSizes.minWidth;\n    var posY = pyIndex * precinctIterationSizes.minHeight;\n    if (\n      posX % sizeInImageScale.width !== 0 ||\n      posY % sizeInImageScale.height !== 0\n    ) {\n      return null;\n    }\n    var startPrecinctRowIndex =\n      (posY / sizeInImageScale.width) *\n      resolution.precinctParameters.numprecinctswide;\n    return posX / sizeInImageScale.height + startPrecinctRowIndex;\n  }\n  function getPrecinctSizesInImageScale(tile) {\n    var componentsCount = tile.components.length;\n    var minWidth = Number.MAX_VALUE;\n    var minHeight = Number.MAX_VALUE;\n    var maxNumWide = 0;\n    var maxNumHigh = 0;\n    var sizePerComponent = new Array(componentsCount);\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      var sizePerResolution = new Array(decompositionLevelsCount + 1);\n      var minWidthCurrentComponent = Number.MAX_VALUE;\n      var minHeightCurrentComponent = Number.MAX_VALUE;\n      var maxNumWideCurrentComponent = 0;\n      var maxNumHighCurrentComponent = 0;\n      var scale = 1;\n      for (var r = decompositionLevelsCount; r >= 0; --r) {\n        var resolution = component.resolutions[r];\n        var widthCurrentResolution =\n          scale * resolution.precinctParameters.precinctWidth;\n        var heightCurrentResolution =\n          scale * resolution.precinctParameters.precinctHeight;\n        minWidthCurrentComponent = Math.min(\n          minWidthCurrentComponent,\n          widthCurrentResolution\n        );\n        minHeightCurrentComponent = Math.min(\n          minHeightCurrentComponent,\n          heightCurrentResolution\n        );\n        maxNumWideCurrentComponent = Math.max(\n          maxNumWideCurrentComponent,\n          resolution.precinctParameters.numprecinctswide\n        );\n        maxNumHighCurrentComponent = Math.max(\n          maxNumHighCurrentComponent,\n          resolution.precinctParameters.numprecinctshigh\n        );\n        sizePerResolution[r] = {\n          width: widthCurrentResolution,\n          height: heightCurrentResolution,\n        };\n        scale <<= 1;\n      }\n      minWidth = Math.min(minWidth, minWidthCurrentComponent);\n      minHeight = Math.min(minHeight, minHeightCurrentComponent);\n      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);\n      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);\n      sizePerComponent[c] = {\n        resolutions: sizePerResolution,\n        minWidth: minWidthCurrentComponent,\n        minHeight: minHeightCurrentComponent,\n        maxNumWide: maxNumWideCurrentComponent,\n        maxNumHigh: maxNumHighCurrentComponent,\n      };\n    }\n    return {\n      components: sizePerComponent,\n      minWidth,\n      minHeight,\n      maxNumWide,\n      maxNumHigh,\n    };\n  }\n  function buildPackets(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var componentsCount = siz.Csiz;\n    // Creating resolutions and sub-bands for each component\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      // Section B.5 Resolution levels and sub-bands\n      var resolutions = [];\n      var subbands = [];\n      for (var r = 0; r <= decompositionLevelsCount; r++) {\n        var blocksDimensions = getBlocksDimensions(context, component, r);\n        var resolution = {};\n        var scale = 1 << (decompositionLevelsCount - r);\n        resolution.trx0 = Math.ceil(component.tcx0 / scale);\n        resolution.try0 = Math.ceil(component.tcy0 / scale);\n        resolution.trx1 = Math.ceil(component.tcx1 / scale);\n        resolution.try1 = Math.ceil(component.tcy1 / scale);\n        resolution.resLevel = r;\n        buildPrecincts(context, resolution, blocksDimensions);\n        resolutions.push(resolution);\n\n        var subband;\n        if (r === 0) {\n          // one sub-band (LL) with last decomposition\n          subband = {};\n          subband.type = \"LL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / scale);\n          subband.tby0 = Math.ceil(component.tcy0 / scale);\n          subband.tbx1 = Math.ceil(component.tcx1 / scale);\n          subband.tby1 = Math.ceil(component.tcy1 / scale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolution.subbands = [subband];\n        } else {\n          var bscale = 1 << (decompositionLevelsCount - r + 1);\n          var resolutionSubbands = [];\n          // three sub-bands (HL, LH and HH) with rest of decompositions\n          subband = {};\n          subband.type = \"HL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"LH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"HH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          resolution.subbands = resolutionSubbands;\n        }\n      }\n      component.resolutions = resolutions;\n      component.subbands = subbands;\n    }\n    // Generate the packets sequence\n    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;\n    switch (progressionOrder) {\n      case 0:\n        tile.packetsIterator = new LayerResolutionComponentPositionIterator(\n          context\n        );\n        break;\n      case 1:\n        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(\n          context\n        );\n        break;\n      case 2:\n        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(\n          context\n        );\n        break;\n      case 3:\n        tile.packetsIterator = new PositionComponentResolutionLayerIterator(\n          context\n        );\n        break;\n      case 4:\n        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(\n          context\n        );\n        break;\n      default:\n        throw new JpxError(`Unsupported progression order ${progressionOrder}`);\n    }\n  }\n  function parseTilePackets(context, data, offset, dataLength) {\n    var position = 0;\n    var buffer,\n      bufferSize = 0,\n      skipNextBit = false;\n    function readBits(count) {\n      while (bufferSize < count) {\n        var b = data[offset + position];\n        position++;\n        if (skipNextBit) {\n          buffer = (buffer << 7) | b;\n          bufferSize += 7;\n          skipNextBit = false;\n        } else {\n          buffer = (buffer << 8) | b;\n          bufferSize += 8;\n        }\n        if (b === 0xff) {\n          skipNextBit = true;\n        }\n      }\n      bufferSize -= count;\n      return (buffer >>> bufferSize) & ((1 << count) - 1);\n    }\n    function skipMarkerIfEqual(value) {\n      if (\n        data[offset + position - 1] === 0xff &&\n        data[offset + position] === value\n      ) {\n        skipBytes(1);\n        return true;\n      } else if (\n        data[offset + position] === 0xff &&\n        data[offset + position + 1] === value\n      ) {\n        skipBytes(2);\n        return true;\n      }\n      return false;\n    }\n    function skipBytes(count) {\n      position += count;\n    }\n    function alignToByte() {\n      bufferSize = 0;\n      if (skipNextBit) {\n        position++;\n        skipNextBit = false;\n      }\n    }\n    function readCodingpasses() {\n      if (readBits(1) === 0) {\n        return 1;\n      }\n      if (readBits(1) === 0) {\n        return 2;\n      }\n      var value = readBits(2);\n      if (value < 3) {\n        return value + 3;\n      }\n      value = readBits(5);\n      if (value < 31) {\n        return value + 6;\n      }\n      value = readBits(7);\n      return value + 37;\n    }\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var sopMarkerUsed = context.COD.sopMarkerUsed;\n    var ephMarkerUsed = context.COD.ephMarkerUsed;\n    var packetsIterator = tile.packetsIterator;\n    while (position < dataLength) {\n      alignToByte();\n      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {\n        // Skip also marker segment length and packet sequence ID\n        skipBytes(4);\n      }\n      var packet = packetsIterator.nextPacket();\n      if (!readBits(1)) {\n        continue;\n      }\n      var layerNumber = packet.layerNumber;\n      var queue = [],\n        codeblock;\n      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {\n        codeblock = packet.codeblocks[i];\n        var precinct = codeblock.precinct;\n        var codeblockColumn = codeblock.cbx - precinct.cbxMin;\n        var codeblockRow = codeblock.cby - precinct.cbyMin;\n        var codeblockIncluded = false;\n        var firstTimeInclusion = false;\n        var valueReady;\n        if (codeblock.included !== undefined) {\n          codeblockIncluded = !!readBits(1);\n        } else {\n          // reading inclusion tree\n          precinct = codeblock.precinct;\n          var inclusionTree, zeroBitPlanesTree;\n          if (precinct.inclusionTree !== undefined) {\n            inclusionTree = precinct.inclusionTree;\n          } else {\n            // building inclusion and zero bit-planes trees\n            var width = precinct.cbxMax - precinct.cbxMin + 1;\n            var height = precinct.cbyMax - precinct.cbyMin + 1;\n            inclusionTree = new InclusionTree(width, height, layerNumber);\n            zeroBitPlanesTree = new TagTree(width, height);\n            precinct.inclusionTree = inclusionTree;\n            precinct.zeroBitPlanesTree = zeroBitPlanesTree;\n          }\n\n          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {\n            while (true) {\n              if (readBits(1)) {\n                valueReady = !inclusionTree.nextLevel();\n                if (valueReady) {\n                  codeblock.included = true;\n                  codeblockIncluded = firstTimeInclusion = true;\n                  break;\n                }\n              } else {\n                inclusionTree.incrementValue(layerNumber);\n                break;\n              }\n            }\n          }\n        }\n        if (!codeblockIncluded) {\n          continue;\n        }\n        if (firstTimeInclusion) {\n          zeroBitPlanesTree = precinct.zeroBitPlanesTree;\n          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);\n          while (true) {\n            if (readBits(1)) {\n              valueReady = !zeroBitPlanesTree.nextLevel();\n              if (valueReady) {\n                break;\n              }\n            } else {\n              zeroBitPlanesTree.incrementValue();\n            }\n          }\n          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;\n        }\n        var codingpasses = readCodingpasses();\n        while (readBits(1)) {\n          codeblock.Lblock++;\n        }\n        var codingpassesLog2 = log2(codingpasses);\n        // rounding down log2\n        var bits =\n          (codingpasses < 1 << codingpassesLog2\n            ? codingpassesLog2 - 1\n            : codingpassesLog2) + codeblock.Lblock;\n        var codedDataLength = readBits(bits);\n        queue.push({\n          codeblock,\n          codingpasses,\n          dataLength: codedDataLength,\n        });\n      }\n      alignToByte();\n      if (ephMarkerUsed) {\n        skipMarkerIfEqual(0x92);\n      }\n      while (queue.length > 0) {\n        var packetItem = queue.shift();\n        codeblock = packetItem.codeblock;\n        if (codeblock.data === undefined) {\n          codeblock.data = [];\n        }\n        codeblock.data.push({\n          data,\n          start: offset + position,\n          end: offset + position + packetItem.dataLength,\n          codingpasses: packetItem.codingpasses,\n        });\n        position += packetItem.dataLength;\n      }\n    }\n    return position;\n  }\n  function copyCoefficients(\n    coefficients,\n    levelWidth,\n    levelHeight,\n    subband,\n    delta,\n    mb,\n    reversible,\n    segmentationSymbolUsed\n  ) {\n    var x0 = subband.tbx0;\n    var y0 = subband.tby0;\n    var width = subband.tbx1 - subband.tbx0;\n    var codeblocks = subband.codeblocks;\n    var right = subband.type.charAt(0) === \"H\" ? 1 : 0;\n    var bottom = subband.type.charAt(1) === \"H\" ? levelWidth : 0;\n\n    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {\n      var codeblock = codeblocks[i];\n      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;\n      var blockHeight = codeblock.tby1_ - codeblock.tby0_;\n      if (blockWidth === 0 || blockHeight === 0) {\n        continue;\n      }\n      if (codeblock.data === undefined) {\n        continue;\n      }\n\n      var bitModel, currentCodingpassType;\n      bitModel = new BitModel(\n        blockWidth,\n        blockHeight,\n        codeblock.subbandType,\n        codeblock.zeroBitPlanes,\n        mb\n      );\n      currentCodingpassType = 2; // first bit plane starts from cleanup\n\n      // collect data\n      var data = codeblock.data,\n        totalLength = 0,\n        codingpasses = 0;\n      var j, jj, dataItem;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        totalLength += dataItem.end - dataItem.start;\n        codingpasses += dataItem.codingpasses;\n      }\n      var encodedData = new Uint8Array(totalLength);\n      var position = 0;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);\n        encodedData.set(chunk, position);\n        position += chunk.length;\n      }\n      // decoding the item\n      var decoder = new ArithmeticDecoder(encodedData, 0, totalLength);\n      bitModel.setDecoder(decoder);\n\n      for (j = 0; j < codingpasses; j++) {\n        switch (currentCodingpassType) {\n          case 0:\n            bitModel.runSignificancePropagationPass();\n            break;\n          case 1:\n            bitModel.runMagnitudeRefinementPass();\n            break;\n          case 2:\n            bitModel.runCleanupPass();\n            if (segmentationSymbolUsed) {\n              bitModel.checkSegmentationSymbol();\n            }\n            break;\n        }\n        currentCodingpassType = (currentCodingpassType + 1) % 3;\n      }\n\n      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;\n      var sign = bitModel.coefficentsSign;\n      var magnitude = bitModel.coefficentsMagnitude;\n      var bitsDecoded = bitModel.bitsDecoded;\n      var magnitudeCorrection = reversible ? 0 : 0.5;\n      var k, n, nb;\n      position = 0;\n      // Do the interleaving of Section F.3.3 here, so we do not need\n      // to copy later. LL level is not interleaved, just copied.\n      var interleave = subband.type !== \"LL\";\n      for (j = 0; j < blockHeight; j++) {\n        var row = (offset / width) | 0; // row in the non-interleaved subband\n        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;\n        for (k = 0; k < blockWidth; k++) {\n          n = magnitude[position];\n          if (n !== 0) {\n            n = (n + magnitudeCorrection) * delta;\n            if (sign[position] !== 0) {\n              n = -n;\n            }\n            nb = bitsDecoded[position];\n            var pos = interleave ? levelOffset + (offset << 1) : offset;\n            if (reversible && nb >= mb) {\n              coefficients[pos] = n;\n            } else {\n              coefficients[pos] = n * (1 << (mb - nb));\n            }\n          }\n          offset++;\n          position++;\n        }\n        offset += width - blockWidth;\n      }\n    }\n  }\n  function transformTile(context, tile, c) {\n    var component = tile.components[c];\n    var codingStyleParameters = component.codingStyleParameters;\n    var quantizationParameters = component.quantizationParameters;\n    var decompositionLevelsCount =\n      codingStyleParameters.decompositionLevelsCount;\n    var spqcds = quantizationParameters.SPqcds;\n    var scalarExpounded = quantizationParameters.scalarExpounded;\n    var guardBits = quantizationParameters.guardBits;\n    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;\n    var precision = context.components[c].precision;\n\n    var reversible = codingStyleParameters.reversibleTransformation;\n    var transform = reversible\n      ? new ReversibleTransform()\n      : new IrreversibleTransform();\n\n    var subbandCoefficients = [];\n    var b = 0;\n    for (var i = 0; i <= decompositionLevelsCount; i++) {\n      var resolution = component.resolutions[i];\n\n      var width = resolution.trx1 - resolution.trx0;\n      var height = resolution.try1 - resolution.try0;\n      // Allocate space for the whole sublevel.\n      var coefficients = new Float32Array(width * height);\n\n      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {\n        var mu, epsilon;\n        if (!scalarExpounded) {\n          // formula E-5\n          mu = spqcds[0].mu;\n          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);\n        } else {\n          mu = spqcds[b].mu;\n          epsilon = spqcds[b].epsilon;\n          b++;\n        }\n\n        var subband = resolution.subbands[j];\n        var gainLog2 = SubbandsGainLog2[subband.type];\n\n        // calculate quantization coefficient (Section E.1.1.1)\n        var delta = reversible\n          ? 1\n          : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);\n        var mb = guardBits + epsilon - 1;\n\n        // In the first resolution level, copyCoefficients will fill the\n        // whole array with coefficients. In the succeeding passes,\n        // copyCoefficients will consecutively fill in the values that belong\n        // to the interleaved positions of the HL, LH, and HH coefficients.\n        // The LL coefficients will then be interleaved in Transform.iterate().\n        copyCoefficients(\n          coefficients,\n          width,\n          height,\n          subband,\n          delta,\n          mb,\n          reversible,\n          segmentationSymbolUsed\n        );\n      }\n      subbandCoefficients.push({\n        width,\n        height,\n        items: coefficients,\n      });\n    }\n\n    var result = transform.calculate(\n      subbandCoefficients,\n      component.tcx0,\n      component.tcy0\n    );\n    return {\n      left: component.tcx0,\n      top: component.tcy0,\n      width: result.width,\n      height: result.height,\n      items: result.items,\n    };\n  }\n  function transformComponents(context) {\n    var siz = context.SIZ;\n    var components = context.components;\n    var componentsCount = siz.Csiz;\n    var resultImages = [];\n    for (var i = 0, ii = context.tiles.length; i < ii; i++) {\n      var tile = context.tiles[i];\n      var transformedTiles = [];\n      var c;\n      for (c = 0; c < componentsCount; c++) {\n        transformedTiles[c] = transformTile(context, tile, c);\n      }\n      var tile0 = transformedTiles[0];\n      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);\n      var result = {\n        left: tile0.left,\n        top: tile0.top,\n        width: tile0.width,\n        height: tile0.height,\n        items: out,\n      };\n\n      // Section G.2.2 Inverse multi component transform\n      var shift, offset;\n      var pos = 0,\n        j,\n        jj,\n        y0,\n        y1,\n        y2;\n      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {\n        var fourComponents = componentsCount === 4;\n        var y0items = transformedTiles[0].items;\n        var y1items = transformedTiles[1].items;\n        var y2items = transformedTiles[2].items;\n        var y3items = fourComponents ? transformedTiles[3].items : null;\n\n        // HACK: The multiple component transform formulas below assume that\n        // all components have the same precision. With this in mind, we\n        // compute shift and offset only once.\n        shift = components[0].precision - 8;\n        offset = (128 << shift) + 0.5;\n\n        var component0 = tile.components[0];\n        var alpha01 = componentsCount - 3;\n        jj = y0items.length;\n        if (!component0.codingStyleParameters.reversibleTransformation) {\n          // inverse irreversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            out[pos++] = (y0 + 1.402 * y2) >> shift;\n            out[pos++] = (y0 - 0.34413 * y1 - 0.71414 * y2) >> shift;\n            out[pos++] = (y0 + 1.772 * y1) >> shift;\n          }\n        } else {\n          // inverse reversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            const g = y0 - ((y2 + y1) >> 2);\n\n            out[pos++] = (g + y2) >> shift;\n            out[pos++] = g >> shift;\n            out[pos++] = (g + y1) >> shift;\n          }\n        }\n        if (fourComponents) {\n          for (j = 0, pos = 3; j < jj; j++, pos += 4) {\n            out[pos] = (y3items[j] + offset) >> shift;\n          }\n        }\n      } else {\n        // no multi-component transform\n        for (c = 0; c < componentsCount; c++) {\n          var items = transformedTiles[c].items;\n          shift = components[c].precision - 8;\n          offset = (128 << shift) + 0.5;\n          for (pos = c, j = 0, jj = items.length; j < jj; j++) {\n            out[pos] = (items[j] + offset) >> shift;\n            pos += componentsCount;\n          }\n        }\n      }\n      resultImages.push(result);\n    }\n    return resultImages;\n  }\n  function initializeTile(context, tileIndex) {\n    var siz = context.SIZ;\n    var componentsCount = siz.Csiz;\n    var tile = context.tiles[tileIndex];\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var qcdOrQcc =\n        context.currentTile.QCC[c] !== undefined\n          ? context.currentTile.QCC[c]\n          : context.currentTile.QCD;\n      component.quantizationParameters = qcdOrQcc;\n      var codOrCoc =\n        context.currentTile.COC[c] !== undefined\n          ? context.currentTile.COC[c]\n          : context.currentTile.COD;\n      component.codingStyleParameters = codOrCoc;\n    }\n    tile.codingStyleDefaultParameters = context.currentTile.COD;\n  }\n\n  // Section B.10.2 Tag trees\n  var TagTree = (function TagTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function TagTree(width, height) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var level = {\n          width,\n          height,\n          items: [],\n        };\n        this.levels.push(level);\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    TagTree.prototype = {\n      reset: function TagTree_reset(i, j) {\n        var currentLevel = 0,\n          value = 0,\n          level;\n        while (currentLevel < this.levels.length) {\n          level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          if (level.items[index] !== undefined) {\n            value = level.items[index];\n            break;\n          }\n          level.index = index;\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        currentLevel--;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        this.currentLevel = currentLevel;\n        delete this.value;\n      },\n      incrementValue: function TagTree_incrementValue() {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index]++;\n      },\n      nextLevel: function TagTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        currentLevel--;\n        if (currentLevel < 0) {\n          this.value = value;\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return TagTree;\n  })();\n\n  var InclusionTree = (function InclusionTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function InclusionTree(width, height, defaultValue) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var items = new Uint8Array(width * height);\n        for (var j = 0, jj = items.length; j < jj; j++) {\n          items[j] = defaultValue;\n        }\n\n        var level = {\n          width,\n          height,\n          items,\n        };\n        this.levels.push(level);\n\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    InclusionTree.prototype = {\n      reset: function InclusionTree_reset(i, j, stopValue) {\n        var currentLevel = 0;\n        while (currentLevel < this.levels.length) {\n          var level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          level.index = index;\n          var value = level.items[index];\n\n          if (value === 0xff) {\n            break;\n          }\n\n          if (value > stopValue) {\n            this.currentLevel = currentLevel;\n            // already know about this one, propagating the value to top levels\n            this.propagateValues();\n            return false;\n          }\n\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        this.currentLevel = currentLevel - 1;\n        return true;\n      },\n      incrementValue: function InclusionTree_incrementValue(stopValue) {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index] = stopValue + 1;\n        this.propagateValues();\n      },\n      propagateValues: function InclusionTree_propagateValues() {\n        var levelIndex = this.currentLevel;\n        var level = this.levels[levelIndex];\n        var currentValue = level.items[level.index];\n        while (--levelIndex >= 0) {\n          level = this.levels[levelIndex];\n          level.items[level.index] = currentValue;\n        }\n      },\n      nextLevel: function InclusionTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        level.items[level.index] = 0xff;\n        currentLevel--;\n        if (currentLevel < 0) {\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return InclusionTree;\n  })();\n\n  // Section D. Coefficient bit modeling\n  var BitModel = (function BitModelClosure() {\n    var UNIFORM_CONTEXT = 17;\n    var RUNLENGTH_CONTEXT = 18;\n    // Table D-1\n    // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4),\n    // vv - sum of Vi (0..2), and hh - sum of Hi (0..2)\n    // prettier-ignore\n    var LLAndLHContextsLabel = new Uint8Array([\n      0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4,\n      7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6,\n      8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8\n    ]);\n    // prettier-ignore\n    var HLContextLabel = new Uint8Array([\n      0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8,\n      8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3,\n      4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8\n    ]);\n    // prettier-ignore\n    var HHContextLabel = new Uint8Array([\n      0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5,\n      5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8,\n      8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8\n    ]);\n\n    // eslint-disable-next-line no-shadow\n    function BitModel(width, height, subband, zeroBitPlanes, mb) {\n      this.width = width;\n      this.height = height;\n\n      let contextLabelTable;\n      if (subband === \"HH\") {\n        contextLabelTable = HHContextLabel;\n      } else if (subband === \"HL\") {\n        contextLabelTable = HLContextLabel;\n      } else {\n        contextLabelTable = LLAndLHContextsLabel;\n      }\n      this.contextLabelTable = contextLabelTable;\n\n      var coefficientCount = width * height;\n\n      // coefficients outside the encoding region treated as insignificant\n      // add border state cells for significanceState\n      this.neighborsSignificance = new Uint8Array(coefficientCount);\n      this.coefficentsSign = new Uint8Array(coefficientCount);\n      let coefficentsMagnitude;\n      if (mb > 14) {\n        coefficentsMagnitude = new Uint32Array(coefficientCount);\n      } else if (mb > 6) {\n        coefficentsMagnitude = new Uint16Array(coefficientCount);\n      } else {\n        coefficentsMagnitude = new Uint8Array(coefficientCount);\n      }\n      this.coefficentsMagnitude = coefficentsMagnitude;\n      this.processingFlags = new Uint8Array(coefficientCount);\n\n      var bitsDecoded = new Uint8Array(coefficientCount);\n      if (zeroBitPlanes !== 0) {\n        for (var i = 0; i < coefficientCount; i++) {\n          bitsDecoded[i] = zeroBitPlanes;\n        }\n      }\n      this.bitsDecoded = bitsDecoded;\n\n      this.reset();\n    }\n\n    BitModel.prototype = {\n      setDecoder: function BitModel_setDecoder(decoder) {\n        this.decoder = decoder;\n      },\n      reset: function BitModel_reset() {\n        // We have 17 contexts that are accessed via context labels,\n        // plus the uniform and runlength context.\n        this.contexts = new Int8Array(19);\n\n        // Contexts are packed into 1 byte:\n        // highest 7 bits carry the index, lowest bit carries mps\n        this.contexts[0] = (4 << 1) | 0;\n        this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0;\n        this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0;\n      },\n      setNeighborsSignificance: function BitModel_setNeighborsSignificance(\n        row,\n        column,\n        index\n      ) {\n        var neighborsSignificance = this.neighborsSignificance;\n        var width = this.width,\n          height = this.height;\n        var left = column > 0;\n        var right = column + 1 < width;\n        var i;\n\n        if (row > 0) {\n          i = index - width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (row + 1 < height) {\n          i = index + width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (left) {\n          neighborsSignificance[index - 1] += 0x01;\n        }\n        if (right) {\n          neighborsSignificance[index + 1] += 0x01;\n        }\n        neighborsSignificance[index] |= 0x80;\n      },\n      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var neighborsSignificance = this.neighborsSignificance;\n        var processingFlags = this.processingFlags;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processedInverseMask = ~1;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n\n        for (var i0 = 0; i0 < height; i0 += 4) {\n          for (var j = 0; j < width; j++) {\n            var index = i0 * width + j;\n            for (var i1 = 0; i1 < 4; i1++, index += width) {\n              var i = i0 + i1;\n              if (i >= height) {\n                break;\n              }\n              // clear processed flag first\n              processingFlags[index] &= processedInverseMask;\n\n              if (\n                coefficentsMagnitude[index] ||\n                !neighborsSignificance[index]\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision) {\n                var sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contribution, sign0, sign1, significance1;\n        var contextLabel, decoded;\n\n        // calculate horizontal contribution\n        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;\n        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {\n          sign1 = coefficentsSign[index + 1];\n          if (significance1) {\n            sign0 = coefficentsSign[index - 1];\n            contribution = 1 - sign1 - sign0;\n          } else {\n            contribution = 1 - sign1 - sign1;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - 1];\n          contribution = 1 - sign0 - sign0;\n        } else {\n          contribution = 0;\n        }\n        var horizontalContribution = 3 * contribution;\n\n        // calculate vertical contribution and combine with the horizontal\n        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;\n        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {\n          sign1 = coefficentsSign[index + width];\n          if (significance1) {\n            sign0 = coefficentsSign[index - width];\n            contribution = 1 - sign1 - sign0 + horizontalContribution;\n          } else {\n            contribution = 1 - sign1 - sign1 + horizontalContribution;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - width];\n          contribution = 1 - sign0 - sign0 + horizontalContribution;\n        } else {\n          contribution = horizontalContribution;\n        }\n\n        if (contribution >= 0) {\n          contextLabel = 9 + contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel);\n        } else {\n          contextLabel = 9 - contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;\n        }\n        return decoded;\n      },\n      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var neighborsSignificance = this.neighborsSignificance;\n        var contexts = this.contexts;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var length = width * height;\n        var width4 = width * 4;\n\n        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {\n          indexNext = Math.min(length, index0 + width4);\n          for (var j = 0; j < width; j++) {\n            for (var index = index0 + j; index < indexNext; index += width) {\n              // significant but not those that have just become\n              if (\n                !coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = 16;\n              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {\n                processingFlags[index] ^= firstMagnitudeBitMask;\n                // first refinement\n                var significance = neighborsSignificance[index] & 127;\n                contextLabel = significance === 0 ? 15 : 14;\n              }\n\n              var bit = decoder.readBit(contexts, contextLabel);\n              coefficentsMagnitude[index] =\n                (coefficentsMagnitude[index] << 1) | bit;\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      runCleanupPass: function BitModel_runCleanupPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var neighborsSignificance = this.neighborsSignificance;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var oneRowDown = width;\n        var twoRowsDown = width * 2;\n        var threeRowsDown = width * 3;\n        var iNext;\n        for (var i0 = 0; i0 < height; i0 = iNext) {\n          iNext = Math.min(i0 + 4, height);\n          var indexBase = i0 * width;\n          var checkAllEmpty = i0 + 3 < height;\n          for (var j = 0; j < width; j++) {\n            var index0 = indexBase + j;\n            // using the property: labels[neighborsSignificance[index]] === 0\n            // when neighborsSignificance[index] === 0\n            var allEmpty =\n              checkAllEmpty &&\n              processingFlags[index0] === 0 &&\n              processingFlags[index0 + oneRowDown] === 0 &&\n              processingFlags[index0 + twoRowsDown] === 0 &&\n              processingFlags[index0 + threeRowsDown] === 0 &&\n              neighborsSignificance[index0] === 0 &&\n              neighborsSignificance[index0 + oneRowDown] === 0 &&\n              neighborsSignificance[index0 + twoRowsDown] === 0 &&\n              neighborsSignificance[index0 + threeRowsDown] === 0;\n            var i1 = 0,\n              index = index0;\n            var i = i0,\n              sign;\n            if (allEmpty) {\n              var hasSignificantCoefficent = decoder.readBit(\n                contexts,\n                RUNLENGTH_CONTEXT\n              );\n              if (!hasSignificantCoefficent) {\n                bitsDecoded[index0]++;\n                bitsDecoded[index0 + oneRowDown]++;\n                bitsDecoded[index0 + twoRowsDown]++;\n                bitsDecoded[index0 + threeRowsDown]++;\n                continue; // next column\n              }\n              i1 =\n                (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n                decoder.readBit(contexts, UNIFORM_CONTEXT);\n              if (i1 !== 0) {\n                i = i0 + i1;\n                index += i1 * width;\n              }\n\n              sign = this.decodeSignBit(i, j, index);\n              coefficentsSign[index] = sign;\n              coefficentsMagnitude[index] = 1;\n              this.setNeighborsSignificance(i, j, index);\n              processingFlags[index] |= firstMagnitudeBitMask;\n\n              index = index0;\n              for (var i2 = i0; i2 <= i; i2++, index += width) {\n                bitsDecoded[index]++;\n              }\n\n              i1++;\n            }\n            for (i = i0 + i1; i < iNext; i++, index += width) {\n              if (\n                coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision === 1) {\n                sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n            }\n          }\n        }\n      },\n      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {\n        var decoder = this.decoder;\n        var contexts = this.contexts;\n        var symbol =\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n          decoder.readBit(contexts, UNIFORM_CONTEXT);\n        if (symbol !== 0xa) {\n          throw new JpxError(\"Invalid segmentation symbol\");\n        }\n      },\n    };\n\n    return BitModel;\n  })();\n\n  // Section F, Discrete wavelet transformation\n  var Transform = (function TransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function Transform() {}\n\n    Transform.prototype.calculate = function transformCalculate(\n      subbands,\n      u0,\n      v0\n    ) {\n      var ll = subbands[0];\n      for (var i = 1, ii = subbands.length; i < ii; i++) {\n        ll = this.iterate(ll, subbands[i], u0, v0);\n      }\n      return ll;\n    };\n    Transform.prototype.extend = function extend(buffer, offset, size) {\n      // Section F.3.7 extending... using max extension of 4\n      var i1 = offset - 1,\n        j1 = offset + 1;\n      var i2 = offset + size - 2,\n        j2 = offset + size;\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1] = buffer[j1];\n      buffer[j2] = buffer[i2];\n    };\n    Transform.prototype.iterate = function Transform_iterate(\n      ll,\n      hl_lh_hh,\n      u0,\n      v0\n    ) {\n      var llWidth = ll.width,\n        llHeight = ll.height,\n        llItems = ll.items;\n      var width = hl_lh_hh.width;\n      var height = hl_lh_hh.height;\n      var items = hl_lh_hh.items;\n      var i, j, k, l, u, v;\n\n      // Interleave LL according to Section F.3.3\n      for (k = 0, i = 0; i < llHeight; i++) {\n        l = i * 2 * width;\n        for (j = 0; j < llWidth; j++, k++, l += 2) {\n          items[l] = llItems[k];\n        }\n      }\n      // The LL band is not needed anymore.\n      llItems = ll.items = null;\n\n      var bufferPadding = 4;\n      var rowBuffer = new Float32Array(width + 2 * bufferPadding);\n\n      // Section F.3.4 HOR_SR\n      if (width === 1) {\n        // if width = 1, when u0 even keep items as is, when odd divide by 2\n        if ((u0 & 1) !== 0) {\n          for (v = 0, k = 0; v < height; v++, k += width) {\n            items[k] *= 0.5;\n          }\n        }\n      } else {\n        for (v = 0, k = 0; v < height; v++, k += width) {\n          rowBuffer.set(items.subarray(k, k + width), bufferPadding);\n\n          this.extend(rowBuffer, bufferPadding, width);\n          this.filter(rowBuffer, bufferPadding, width);\n\n          items.set(\n            rowBuffer.subarray(bufferPadding, bufferPadding + width),\n            k\n          );\n        }\n      }\n\n      // Accesses to the items array can take long, because it may not fit into\n      // CPU cache and has to be fetched from main memory. Since subsequent\n      // accesses to the items array are not local when reading columns, we\n      // have a cache miss every time. To reduce cache misses, get up to\n      // 'numBuffers' items at a time and store them into the individual\n      // buffers. The colBuffers should be small enough to fit into CPU cache.\n      var numBuffers = 16;\n      var colBuffers = [];\n      for (i = 0; i < numBuffers; i++) {\n        colBuffers.push(new Float32Array(height + 2 * bufferPadding));\n      }\n      var b,\n        currentBuffer = 0;\n      ll = bufferPadding + height;\n\n      // Section F.3.5 VER_SR\n      if (height === 1) {\n        // if height = 1, when v0 even keep items as is, when odd divide by 2\n        if ((v0 & 1) !== 0) {\n          for (u = 0; u < width; u++) {\n            items[u] *= 0.5;\n          }\n        }\n      } else {\n        for (u = 0; u < width; u++) {\n          // if we ran out of buffers, copy several image columns at once\n          if (currentBuffer === 0) {\n            numBuffers = Math.min(width - u, numBuffers);\n            for (k = u, l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                colBuffers[b][l] = items[k + b];\n              }\n            }\n            currentBuffer = numBuffers;\n          }\n\n          currentBuffer--;\n          var buffer = colBuffers[currentBuffer];\n          this.extend(buffer, bufferPadding, height);\n          this.filter(buffer, bufferPadding, height);\n\n          // If this is last buffer in this group of buffers, flush all buffers.\n          if (currentBuffer === 0) {\n            k = u - numBuffers + 1;\n            for (l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                items[k + b] = colBuffers[b][l];\n              }\n            }\n          }\n        }\n      }\n\n      return {\n        width,\n        height,\n        items,\n      };\n    };\n    return Transform;\n  })();\n\n  // Section 3.8.2 Irreversible 9-7 filter\n  var IrreversibleTransform = (function IrreversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function IrreversibleTransform() {\n      Transform.call(this);\n    }\n\n    IrreversibleTransform.prototype = Object.create(Transform.prototype);\n    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n, current, next;\n\n      var alpha = -1.586134342059924;\n      var beta = -0.052980118572961;\n      var gamma = 0.882911075530934;\n      var delta = 0.443506852043971;\n      var K = 1.230174104914001;\n      var K_ = 1 / K;\n\n      // step 1 is combined with step 3\n\n      // step 2\n      j = offset - 3;\n      for (n = len + 4; n--; j += 2) {\n        x[j] *= K_;\n      }\n\n      // step 1 & 3\n      j = offset - 2;\n      current = delta * x[j - 1];\n      for (n = len + 3; n--; j += 2) {\n        next = delta * x[j + 1];\n        x[j] = K * x[j] - current - next;\n        if (n--) {\n          j += 2;\n          current = delta * x[j + 1];\n          x[j] = K * x[j] - current - next;\n        } else {\n          break;\n        }\n      }\n\n      // step 4\n      j = offset - 1;\n      current = gamma * x[j - 1];\n      for (n = len + 2; n--; j += 2) {\n        next = gamma * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = gamma * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 5\n      j = offset;\n      current = beta * x[j - 1];\n      for (n = len + 1; n--; j += 2) {\n        next = beta * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = beta * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 6\n      if (len !== 0) {\n        j = offset + 1;\n        current = alpha * x[j - 1];\n        for (n = len; n--; j += 2) {\n          next = alpha * x[j + 1];\n          x[j] -= current + next;\n          if (n--) {\n            j += 2;\n            current = alpha * x[j + 1];\n            x[j] -= current + next;\n          } else {\n            break;\n          }\n        }\n      }\n    };\n\n    return IrreversibleTransform;\n  })();\n\n  // Section 3.8.1 Reversible 5-3 filter\n  var ReversibleTransform = (function ReversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function ReversibleTransform() {\n      Transform.call(this);\n    }\n\n    ReversibleTransform.prototype = Object.create(Transform.prototype);\n    ReversibleTransform.prototype.filter = function reversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n;\n\n      for (j = offset, n = len + 1; n--; j += 2) {\n        x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2;\n      }\n\n      for (j = offset + 1, n = len; n--; j += 2) {\n        x[j] += (x[j - 1] + x[j + 1]) >> 1;\n      }\n    };\n\n    return ReversibleTransform;\n  })();\n\n  return JpxImage;\n})();\n\nexport { JpxImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FormatError,\n  PasswordException,\n  PasswordResponses,\n  stringToBytes,\n  unreachable,\n  utf8StringToString,\n  warn,\n} from \"../shared/util.js\";\nimport { isDict, isName, Name } from \"./primitives.js\";\nimport { DecryptStream } from \"./stream.js\";\n\nvar ARCFourCipher = (function ARCFourCipherClosure() {\n  // eslint-disable-next-line no-shadow\n  function ARCFourCipher(key) {\n    this.a = 0;\n    this.b = 0;\n    var s = new Uint8Array(256);\n    var i,\n      j = 0,\n      tmp,\n      keyLength = key.length;\n    for (i = 0; i < 256; ++i) {\n      s[i] = i;\n    }\n    for (i = 0; i < 256; ++i) {\n      tmp = s[i];\n      j = (j + tmp + key[i % keyLength]) & 0xff;\n      s[i] = s[j];\n      s[j] = tmp;\n    }\n    this.s = s;\n  }\n\n  ARCFourCipher.prototype = {\n    encryptBlock: function ARCFourCipher_encryptBlock(data) {\n      var i,\n        n = data.length,\n        tmp,\n        tmp2;\n      var a = this.a,\n        b = this.b,\n        s = this.s;\n      var output = new Uint8Array(n);\n      for (i = 0; i < n; ++i) {\n        a = (a + 1) & 0xff;\n        tmp = s[a];\n        b = (b + tmp) & 0xff;\n        tmp2 = s[b];\n        s[a] = tmp2;\n        s[b] = tmp;\n        output[i] = data[i] ^ s[(tmp + tmp2) & 0xff];\n      }\n      this.a = a;\n      this.b = b;\n      return output;\n    },\n  };\n  ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;\n  ARCFourCipher.prototype.encrypt = ARCFourCipher.prototype.encryptBlock;\n\n  return ARCFourCipher;\n})();\n\nvar calculateMD5 = (function calculateMD5Closure() {\n  // prettier-ignore\n  var r = new Uint8Array([\n    7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,\n    5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,\n    4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,\n    6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);\n\n  // prettier-ignore\n  var k = new Int32Array([\n    -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426,\n    -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162,\n    1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632,\n    643717713, -373897302, -701558691, 38016083, -660478335, -405537848,\n    568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784,\n    1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556,\n    -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222,\n    -722521979, 76029189, -640364487, -421815835, 530742520, -995338651,\n    -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606,\n    -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649,\n    -145523070, -1120210379, 718787259, -343485551]);\n\n  function hash(data, offset, length) {\n    var h0 = 1732584193,\n      h1 = -271733879,\n      h2 = -1732584194,\n      h3 = 271733878;\n    // pre-processing\n    var paddedLength = (length + 72) & ~63; // data + 9 extra bytes\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 8;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = (length << 3) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    var w = new Int32Array(16);\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j, i += 4) {\n        w[j] =\n          padded[i] |\n          (padded[i + 1] << 8) |\n          (padded[i + 2] << 16) |\n          (padded[i + 3] << 24);\n      }\n      var a = h0,\n        b = h1,\n        c = h2,\n        d = h3,\n        f,\n        g;\n      for (j = 0; j < 64; ++j) {\n        if (j < 16) {\n          f = (b & c) | (~b & d);\n          g = j;\n        } else if (j < 32) {\n          f = (d & b) | (~d & c);\n          g = (5 * j + 1) & 15;\n        } else if (j < 48) {\n          f = b ^ c ^ d;\n          g = (3 * j + 5) & 15;\n        } else {\n          f = c ^ (b | ~d);\n          g = (7 * j) & 15;\n        }\n        var tmp = d,\n          rotateArg = (a + f + k[j] + w[g]) | 0,\n          rotate = r[j];\n        d = c;\n        c = b;\n        b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0;\n        a = tmp;\n      }\n      h0 = (h0 + a) | 0;\n      h1 = (h1 + b) | 0;\n      h2 = (h2 + c) | 0;\n      h3 = (h3 + d) | 0;\n    }\n    // prettier-ignore\n    return new Uint8Array([\n      h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF,\n      h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF,\n      h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF,\n      h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF\n    ]);\n  }\n\n  return hash;\n})();\nvar Word64 = (function Word64Closure() {\n  // eslint-disable-next-line no-shadow\n  function Word64(highInteger, lowInteger) {\n    this.high = highInteger | 0;\n    this.low = lowInteger | 0;\n  }\n  Word64.prototype = {\n    and: function Word64_and(word) {\n      this.high &= word.high;\n      this.low &= word.low;\n    },\n    xor: function Word64_xor(word) {\n      this.high ^= word.high;\n      this.low ^= word.low;\n    },\n\n    or: function Word64_or(word) {\n      this.high |= word.high;\n      this.low |= word.low;\n    },\n\n    shiftRight: function Word64_shiftRight(places) {\n      if (places >= 32) {\n        this.low = (this.high >>> (places - 32)) | 0;\n        this.high = 0;\n      } else {\n        this.low = (this.low >>> places) | (this.high << (32 - places));\n        this.high = (this.high >>> places) | 0;\n      }\n    },\n\n    shiftLeft: function Word64_shiftLeft(places) {\n      if (places >= 32) {\n        this.high = this.low << (places - 32);\n        this.low = 0;\n      } else {\n        this.high = (this.high << places) | (this.low >>> (32 - places));\n        this.low = this.low << places;\n      }\n    },\n\n    rotateRight: function Word64_rotateRight(places) {\n      var low, high;\n      if (places & 32) {\n        high = this.low;\n        low = this.high;\n      } else {\n        low = this.low;\n        high = this.high;\n      }\n      places &= 31;\n      this.low = (low >>> places) | (high << (32 - places));\n      this.high = (high >>> places) | (low << (32 - places));\n    },\n\n    not: function Word64_not() {\n      this.high = ~this.high;\n      this.low = ~this.low;\n    },\n\n    add: function Word64_add(word) {\n      var lowAdd = (this.low >>> 0) + (word.low >>> 0);\n      var highAdd = (this.high >>> 0) + (word.high >>> 0);\n      if (lowAdd > 0xffffffff) {\n        highAdd += 1;\n      }\n      this.low = lowAdd | 0;\n      this.high = highAdd | 0;\n    },\n\n    copyTo: function Word64_copyTo(bytes, offset) {\n      bytes[offset] = (this.high >>> 24) & 0xff;\n      bytes[offset + 1] = (this.high >> 16) & 0xff;\n      bytes[offset + 2] = (this.high >> 8) & 0xff;\n      bytes[offset + 3] = this.high & 0xff;\n      bytes[offset + 4] = (this.low >>> 24) & 0xff;\n      bytes[offset + 5] = (this.low >> 16) & 0xff;\n      bytes[offset + 6] = (this.low >> 8) & 0xff;\n      bytes[offset + 7] = this.low & 0xff;\n    },\n\n    assign: function Word64_assign(word) {\n      this.high = word.high;\n      this.low = word.low;\n    },\n  };\n  return Word64;\n})();\n\nvar calculateSHA256 = (function calculateSHA256Closure() {\n  function rotr(x, n) {\n    return (x >>> n) | (x << (32 - n));\n  }\n\n  function ch(x, y, z) {\n    return (x & y) ^ (~x & z);\n  }\n\n  function maj(x, y, z) {\n    return (x & y) ^ (x & z) ^ (y & z);\n  }\n\n  function sigma(x) {\n    return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22);\n  }\n\n  function sigmaPrime(x) {\n    return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25);\n  }\n\n  function littleSigma(x) {\n    return rotr(x, 7) ^ rotr(x, 18) ^ (x >>> 3);\n  }\n\n  function littleSigmaPrime(x) {\n    return rotr(x, 17) ^ rotr(x, 19) ^ (x >>> 10);\n  }\n\n  // prettier-ignore\n  var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,\n           0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,\n           0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,\n           0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,\n           0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,\n           0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,\n           0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,\n           0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,\n           0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,\n           0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,\n           0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,\n           0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,\n           0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,\n           0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,\n           0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,\n           0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];\n\n  function hash(data, offset, length) {\n    // initial hash values\n    var h0 = 0x6a09e667,\n      h1 = 0xbb67ae85,\n      h2 = 0x3c6ef372,\n      h3 = 0xa54ff53a,\n      h4 = 0x510e527f,\n      h5 = 0x9b05688c,\n      h6 = 0x1f83d9ab,\n      h7 = 0x5be0cd19;\n    // pre-processing\n    var paddedLength = Math.ceil((length + 9) / 64) * 64;\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 8;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length << 3) & 0xff;\n    var w = new Uint32Array(64);\n    // for each 512 bit block\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j) {\n        w[j] =\n          (padded[i] << 24) |\n          (padded[i + 1] << 16) |\n          (padded[i + 2] << 8) |\n          padded[i + 3];\n        i += 4;\n      }\n\n      for (j = 16; j < 64; ++j) {\n        w[j] =\n          (littleSigmaPrime(w[j - 2]) +\n            w[j - 7] +\n            littleSigma(w[j - 15]) +\n            w[j - 16]) |\n          0;\n      }\n      var a = h0,\n        b = h1,\n        c = h2,\n        d = h3,\n        e = h4,\n        f = h5,\n        g = h6,\n        h = h7,\n        t1,\n        t2;\n      for (j = 0; j < 64; ++j) {\n        t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j];\n        t2 = sigma(a) + maj(a, b, c);\n        h = g;\n        g = f;\n        f = e;\n        e = (d + t1) | 0;\n        d = c;\n        c = b;\n        b = a;\n        a = (t1 + t2) | 0;\n      }\n      h0 = (h0 + a) | 0;\n      h1 = (h1 + b) | 0;\n      h2 = (h2 + c) | 0;\n      h3 = (h3 + d) | 0;\n      h4 = (h4 + e) | 0;\n      h5 = (h5 + f) | 0;\n      h6 = (h6 + g) | 0;\n      h7 = (h7 + h) | 0;\n    }\n    // prettier-ignore\n    return new Uint8Array([\n      (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF,\n      (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF,\n      (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF,\n      (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF,\n      (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF,\n      (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF,\n      (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF,\n      (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF\n    ]);\n  }\n\n  return hash;\n})();\n\nvar calculateSHA512 = (function calculateSHA512Closure() {\n  function ch(result, x, y, z, tmp) {\n    result.assign(x);\n    result.and(y);\n    tmp.assign(x);\n    tmp.not();\n    tmp.and(z);\n    result.xor(tmp);\n  }\n\n  function maj(result, x, y, z, tmp) {\n    result.assign(x);\n    result.and(y);\n    tmp.assign(x);\n    tmp.and(z);\n    result.xor(tmp);\n    tmp.assign(y);\n    tmp.and(z);\n    result.xor(tmp);\n  }\n\n  function sigma(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(28);\n    tmp.assign(x);\n    tmp.rotateRight(34);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.rotateRight(39);\n    result.xor(tmp);\n  }\n\n  function sigmaPrime(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(14);\n    tmp.assign(x);\n    tmp.rotateRight(18);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.rotateRight(41);\n    result.xor(tmp);\n  }\n\n  function littleSigma(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(1);\n    tmp.assign(x);\n    tmp.rotateRight(8);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.shiftRight(7);\n    result.xor(tmp);\n  }\n\n  function littleSigmaPrime(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(19);\n    tmp.assign(x);\n    tmp.rotateRight(61);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.shiftRight(6);\n    result.xor(tmp);\n  }\n\n  // prettier-ignore\n  var k = [\n    new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd),\n    new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc),\n    new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019),\n    new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118),\n    new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe),\n    new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2),\n    new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1),\n    new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694),\n    new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3),\n    new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65),\n    new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483),\n    new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5),\n    new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210),\n    new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4),\n    new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725),\n    new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70),\n    new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926),\n    new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df),\n    new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8),\n    new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b),\n    new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001),\n    new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30),\n    new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910),\n    new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8),\n    new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53),\n    new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8),\n    new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb),\n    new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3),\n    new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60),\n    new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec),\n    new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9),\n    new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b),\n    new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207),\n    new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178),\n    new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6),\n    new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b),\n    new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493),\n    new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c),\n    new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a),\n    new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)];\n\n  function hash(data, offset, length, mode384) {\n    mode384 = !!mode384;\n    // initial hash values\n    var h0, h1, h2, h3, h4, h5, h6, h7;\n    if (!mode384) {\n      h0 = new Word64(0x6a09e667, 0xf3bcc908);\n      h1 = new Word64(0xbb67ae85, 0x84caa73b);\n      h2 = new Word64(0x3c6ef372, 0xfe94f82b);\n      h3 = new Word64(0xa54ff53a, 0x5f1d36f1);\n      h4 = new Word64(0x510e527f, 0xade682d1);\n      h5 = new Word64(0x9b05688c, 0x2b3e6c1f);\n      h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);\n      h7 = new Word64(0x5be0cd19, 0x137e2179);\n    } else {\n      // SHA384 is exactly the same\n      // except with different starting values and a trimmed result\n      h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);\n      h1 = new Word64(0x629a292a, 0x367cd507);\n      h2 = new Word64(0x9159015a, 0x3070dd17);\n      h3 = new Word64(0x152fecd8, 0xf70e5939);\n      h4 = new Word64(0x67332667, 0xffc00b31);\n      h5 = new Word64(0x8eb44a87, 0x68581511);\n      h6 = new Word64(0xdb0c2e0d, 0x64f98fa7);\n      h7 = new Word64(0x47b5481d, 0xbefa4fa4);\n    }\n\n    // pre-processing\n    var paddedLength = Math.ceil((length + 17) / 128) * 128;\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 16;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length << 3) & 0xff;\n\n    var w = new Array(80);\n    for (i = 0; i < 80; i++) {\n      w[i] = new Word64(0, 0);\n    }\n    var a = new Word64(0, 0),\n      b = new Word64(0, 0),\n      c = new Word64(0, 0);\n    var d = new Word64(0, 0),\n      e = new Word64(0, 0),\n      f = new Word64(0, 0);\n    var g = new Word64(0, 0),\n      h = new Word64(0, 0);\n    var t1 = new Word64(0, 0),\n      t2 = new Word64(0, 0);\n    var tmp1 = new Word64(0, 0),\n      tmp2 = new Word64(0, 0),\n      tmp3;\n\n    // for each 1024 bit block\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j) {\n        w[j].high =\n          (padded[i] << 24) |\n          (padded[i + 1] << 16) |\n          (padded[i + 2] << 8) |\n          padded[i + 3];\n        w[j].low =\n          (padded[i + 4] << 24) |\n          (padded[i + 5] << 16) |\n          (padded[i + 6] << 8) |\n          padded[i + 7];\n        i += 8;\n      }\n      for (j = 16; j < 80; ++j) {\n        tmp3 = w[j];\n        littleSigmaPrime(tmp3, w[j - 2], tmp2);\n        tmp3.add(w[j - 7]);\n        littleSigma(tmp1, w[j - 15], tmp2);\n        tmp3.add(tmp1);\n        tmp3.add(w[j - 16]);\n      }\n\n      a.assign(h0);\n      b.assign(h1);\n      c.assign(h2);\n      d.assign(h3);\n      e.assign(h4);\n      f.assign(h5);\n      g.assign(h6);\n      h.assign(h7);\n      for (j = 0; j < 80; ++j) {\n        t1.assign(h);\n        sigmaPrime(tmp1, e, tmp2);\n        t1.add(tmp1);\n        ch(tmp1, e, f, g, tmp2);\n        t1.add(tmp1);\n        t1.add(k[j]);\n        t1.add(w[j]);\n\n        sigma(t2, a, tmp2);\n        maj(tmp1, a, b, c, tmp2);\n        t2.add(tmp1);\n\n        tmp3 = h;\n        h = g;\n        g = f;\n        f = e;\n        d.add(t1);\n        e = d;\n        d = c;\n        c = b;\n        b = a;\n        tmp3.assign(t1);\n        tmp3.add(t2);\n        a = tmp3;\n      }\n      h0.add(a);\n      h1.add(b);\n      h2.add(c);\n      h3.add(d);\n      h4.add(e);\n      h5.add(f);\n      h6.add(g);\n      h7.add(h);\n    }\n\n    var result;\n    if (!mode384) {\n      result = new Uint8Array(64);\n      h0.copyTo(result, 0);\n      h1.copyTo(result, 8);\n      h2.copyTo(result, 16);\n      h3.copyTo(result, 24);\n      h4.copyTo(result, 32);\n      h5.copyTo(result, 40);\n      h6.copyTo(result, 48);\n      h7.copyTo(result, 56);\n    } else {\n      result = new Uint8Array(48);\n      h0.copyTo(result, 0);\n      h1.copyTo(result, 8);\n      h2.copyTo(result, 16);\n      h3.copyTo(result, 24);\n      h4.copyTo(result, 32);\n      h5.copyTo(result, 40);\n    }\n    return result;\n  }\n\n  return hash;\n})();\nvar calculateSHA384 = (function calculateSHA384Closure() {\n  function hash(data, offset, length) {\n    return calculateSHA512(data, offset, length, true);\n  }\n\n  return hash;\n})();\nvar NullCipher = (function NullCipherClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullCipher() {}\n\n  NullCipher.prototype = {\n    decryptBlock: function NullCipher_decryptBlock(data) {\n      return data;\n    },\n    encrypt: function NullCipher_encrypt(data) {\n      return data;\n    },\n  };\n\n  return NullCipher;\n})();\n\nclass AESBaseCipher {\n  constructor() {\n    if (this.constructor === AESBaseCipher) {\n      unreachable(\"Cannot initialize AESBaseCipher.\");\n    }\n\n    // prettier-ignore\n    this._s = new Uint8Array([\n      0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,\n      0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,\n      0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26,\n      0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,\n      0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,\n      0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,\n      0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed,\n      0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,\n      0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f,\n      0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,\n      0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,\n      0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,\n      0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,\n      0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,\n      0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d,\n      0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,\n      0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f,\n      0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,\n      0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11,\n      0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,\n      0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,\n      0xb0, 0x54, 0xbb, 0x16,\n    ]);\n\n    // prettier-ignore\n    this._inv_s = new Uint8Array([\n      0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e,\n      0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,\n      0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32,\n      0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,\n      0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49,\n      0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,\n      0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50,\n      0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,\n      0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05,\n      0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,\n      0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41,\n      0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,\n      0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8,\n      0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,\n      0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b,\n      0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,\n      0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59,\n      0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,\n      0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d,\n      0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,\n      0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63,\n      0x55, 0x21, 0x0c, 0x7d,\n    ]);\n\n    // prettier-ignore\n    this._mix = new Uint32Array([\n      0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927,\n      0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45,\n      0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb,\n      0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381,\n      0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf,\n      0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66,\n      0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28,\n      0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012,\n      0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec,\n      0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e,\n      0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd,\n      0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7,\n      0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89,\n      0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b,\n      0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815,\n      0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f,\n      0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa,\n      0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8,\n      0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36,\n      0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c,\n      0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742,\n      0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea,\n      0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4,\n      0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e,\n      0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360,\n      0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502,\n      0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87,\n      0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd,\n      0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3,\n      0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621,\n      0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f,\n      0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55,\n      0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26,\n      0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844,\n      0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba,\n      0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480,\n      0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce,\n      0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67,\n      0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929,\n      0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713,\n      0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed,\n      0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f,\n      0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3,\n    ]);\n\n    this._mixCol = new Uint8Array(256);\n    for (let i = 0; i < 256; i++) {\n      if (i < 128) {\n        this._mixCol[i] = i << 1;\n      } else {\n        this._mixCol[i] = (i << 1) ^ 0x1b;\n      }\n    }\n\n    this.buffer = new Uint8Array(16);\n    this.bufferPosition = 0;\n  }\n\n  _expandKey(cipherKey) {\n    unreachable(\"Cannot call `_expandKey` on the base class\");\n  }\n\n  _decrypt(input, key) {\n    let t, u, v;\n    const state = new Uint8Array(16);\n    state.set(input);\n\n    // AddRoundKey\n    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {\n      state[j] ^= key[k];\n    }\n    for (let i = this._cyclesOfRepetition - 1; i >= 1; --i) {\n      // InvShiftRows\n      t = state[13];\n      state[13] = state[9];\n      state[9] = state[5];\n      state[5] = state[1];\n      state[1] = t;\n      t = state[14];\n      u = state[10];\n      state[14] = state[6];\n      state[10] = state[2];\n      state[6] = t;\n      state[2] = u;\n      t = state[15];\n      u = state[11];\n      v = state[7];\n      state[15] = state[3];\n      state[11] = t;\n      state[7] = u;\n      state[3] = v;\n      // InvSubBytes\n      for (let j = 0; j < 16; ++j) {\n        state[j] = this._inv_s[state[j]];\n      }\n      // AddRoundKey\n      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {\n        state[j] ^= key[k];\n      }\n      // InvMixColumns\n      for (let j = 0; j < 16; j += 4) {\n        const s0 = this._mix[state[j]];\n        const s1 = this._mix[state[j + 1]];\n        const s2 = this._mix[state[j + 2]];\n        const s3 = this._mix[state[j + 3]];\n        t =\n          s0 ^\n          (s1 >>> 8) ^\n          (s1 << 24) ^\n          (s2 >>> 16) ^\n          (s2 << 16) ^\n          (s3 >>> 24) ^\n          (s3 << 8);\n        state[j] = (t >>> 24) & 0xff;\n        state[j + 1] = (t >> 16) & 0xff;\n        state[j + 2] = (t >> 8) & 0xff;\n        state[j + 3] = t & 0xff;\n      }\n    }\n    // InvShiftRows\n    t = state[13];\n    state[13] = state[9];\n    state[9] = state[5];\n    state[5] = state[1];\n    state[1] = t;\n    t = state[14];\n    u = state[10];\n    state[14] = state[6];\n    state[10] = state[2];\n    state[6] = t;\n    state[2] = u;\n    t = state[15];\n    u = state[11];\n    v = state[7];\n    state[15] = state[3];\n    state[11] = t;\n    state[7] = u;\n    state[3] = v;\n    for (let j = 0; j < 16; ++j) {\n      // InvSubBytes\n      state[j] = this._inv_s[state[j]];\n      // AddRoundKey\n      state[j] ^= key[j];\n    }\n    return state;\n  }\n\n  _encrypt(input, key) {\n    const s = this._s;\n\n    let t, u, v;\n    const state = new Uint8Array(16);\n    state.set(input);\n\n    for (let j = 0; j < 16; ++j) {\n      // AddRoundKey\n      state[j] ^= key[j];\n    }\n\n    for (let i = 1; i < this._cyclesOfRepetition; i++) {\n      // SubBytes\n      for (let j = 0; j < 16; ++j) {\n        state[j] = s[state[j]];\n      }\n      // ShiftRows\n      v = state[1];\n      state[1] = state[5];\n      state[5] = state[9];\n      state[9] = state[13];\n      state[13] = v;\n      v = state[2];\n      u = state[6];\n      state[2] = state[10];\n      state[6] = state[14];\n      state[10] = v;\n      state[14] = u;\n      v = state[3];\n      u = state[7];\n      t = state[11];\n      state[3] = state[15];\n      state[7] = v;\n      state[11] = u;\n      state[15] = t;\n      // MixColumns\n      for (let j = 0; j < 16; j += 4) {\n        const s0 = state[j + 0];\n        const s1 = state[j + 1];\n        const s2 = state[j + 2];\n        const s3 = state[j + 3];\n        t = s0 ^ s1 ^ s2 ^ s3;\n        state[j + 0] ^= t ^ this._mixCol[s0 ^ s1];\n        state[j + 1] ^= t ^ this._mixCol[s1 ^ s2];\n        state[j + 2] ^= t ^ this._mixCol[s2 ^ s3];\n        state[j + 3] ^= t ^ this._mixCol[s3 ^ s0];\n      }\n      // AddRoundKey\n      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {\n        state[j] ^= key[k];\n      }\n    }\n\n    // SubBytes\n    for (let j = 0; j < 16; ++j) {\n      state[j] = s[state[j]];\n    }\n    // ShiftRows\n    v = state[1];\n    state[1] = state[5];\n    state[5] = state[9];\n    state[9] = state[13];\n    state[13] = v;\n    v = state[2];\n    u = state[6];\n    state[2] = state[10];\n    state[6] = state[14];\n    state[10] = v;\n    state[14] = u;\n    v = state[3];\n    u = state[7];\n    t = state[11];\n    state[3] = state[15];\n    state[7] = v;\n    state[11] = u;\n    state[15] = t;\n    // AddRoundKey\n    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {\n      state[j] ^= key[k];\n    }\n    return state;\n  }\n\n  _decryptBlock2(data, finalize) {\n    const sourceLength = data.length;\n    let buffer = this.buffer,\n      bufferLength = this.bufferPosition;\n    const result = [];\n    let iv = this.iv;\n\n    for (let i = 0; i < sourceLength; ++i) {\n      buffer[bufferLength] = data[i];\n      ++bufferLength;\n      if (bufferLength < 16) {\n        continue;\n      }\n      // buffer is full, decrypting\n      const plain = this._decrypt(buffer, this._key);\n      // xor-ing the IV vector to get plain text\n      for (let j = 0; j < 16; ++j) {\n        plain[j] ^= iv[j];\n      }\n      iv = buffer;\n      result.push(plain);\n      buffer = new Uint8Array(16);\n      bufferLength = 0;\n    }\n    // saving incomplete buffer\n    this.buffer = buffer;\n    this.bufferLength = bufferLength;\n    this.iv = iv;\n    if (result.length === 0) {\n      return new Uint8Array(0);\n    }\n    // combining plain text blocks into one\n    let outputLength = 16 * result.length;\n    if (finalize) {\n      // undo a padding that is described in RFC 2898\n      const lastBlock = result[result.length - 1];\n      let psLen = lastBlock[15];\n      if (psLen <= 16) {\n        for (let i = 15, ii = 16 - psLen; i >= ii; --i) {\n          if (lastBlock[i] !== psLen) {\n            // Invalid padding, assume that the block has no padding.\n            psLen = 0;\n            break;\n          }\n        }\n        outputLength -= psLen;\n        result[result.length - 1] = lastBlock.subarray(0, 16 - psLen);\n      }\n    }\n    const output = new Uint8Array(outputLength);\n    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {\n      output.set(result[i], j);\n    }\n    return output;\n  }\n\n  decryptBlock(data, finalize, iv = null) {\n    const sourceLength = data.length;\n    const buffer = this.buffer;\n    let bufferLength = this.bufferPosition;\n    // If an IV is not supplied, wait for IV values. They are at the start\n    // of the stream.\n    if (iv) {\n      this.iv = iv;\n    } else {\n      for (\n        let i = 0;\n        bufferLength < 16 && i < sourceLength;\n        ++i, ++bufferLength\n      ) {\n        buffer[bufferLength] = data[i];\n      }\n      if (bufferLength < 16) {\n        // Need more data.\n        this.bufferLength = bufferLength;\n        return new Uint8Array(0);\n      }\n      this.iv = buffer;\n      data = data.subarray(16);\n    }\n    this.buffer = new Uint8Array(16);\n    this.bufferLength = 0;\n    // starting decryption\n    this.decryptBlock = this._decryptBlock2;\n    return this.decryptBlock(data, finalize);\n  }\n\n  encrypt(data, iv) {\n    const sourceLength = data.length;\n    let buffer = this.buffer,\n      bufferLength = this.bufferPosition;\n    const result = [];\n\n    if (!iv) {\n      iv = new Uint8Array(16);\n    }\n    for (let i = 0; i < sourceLength; ++i) {\n      buffer[bufferLength] = data[i];\n      ++bufferLength;\n      if (bufferLength < 16) {\n        continue;\n      }\n\n      for (let j = 0; j < 16; ++j) {\n        buffer[j] ^= iv[j];\n      }\n\n      // buffer is full, encrypting\n      const cipher = this._encrypt(buffer, this._key);\n      iv = cipher;\n      result.push(cipher);\n      buffer = new Uint8Array(16);\n      bufferLength = 0;\n    }\n    // saving incomplete buffer\n    this.buffer = buffer;\n    this.bufferLength = bufferLength;\n    this.iv = iv;\n    if (result.length === 0) {\n      return new Uint8Array(0);\n    }\n    // combining plain text blocks into one\n    const outputLength = 16 * result.length;\n    const output = new Uint8Array(outputLength);\n    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {\n      output.set(result[i], j);\n    }\n    return output;\n  }\n}\n\nclass AES128Cipher extends AESBaseCipher {\n  constructor(key) {\n    super();\n\n    this._cyclesOfRepetition = 10;\n    this._keySize = 160; // bits\n\n    // prettier-ignore\n    this._rcon = new Uint8Array([\n      0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,\n      0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a,\n      0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,\n      0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,\n      0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,\n      0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6,\n      0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72,\n      0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc,\n      0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10,\n      0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e,\n      0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5,\n      0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94,\n      0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02,\n      0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d,\n      0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d,\n      0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f,\n      0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb,\n      0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,\n      0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a,\n      0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,\n      0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,\n      0x74, 0xe8, 0xcb, 0x8d,\n    ]);\n\n    this._key = this._expandKey(key);\n  }\n\n  _expandKey(cipherKey) {\n    const b = 176;\n    const s = this._s;\n    const rcon = this._rcon;\n\n    const result = new Uint8Array(b);\n    result.set(cipherKey);\n\n    for (let j = 16, i = 1; j < b; ++i) {\n      // RotWord\n      let t1 = result[j - 3];\n      let t2 = result[j - 2];\n      let t3 = result[j - 1];\n      let t4 = result[j - 4];\n      // SubWord\n      t1 = s[t1];\n      t2 = s[t2];\n      t3 = s[t3];\n      t4 = s[t4];\n      // Rcon\n      t1 = t1 ^ rcon[i];\n      for (let n = 0; n < 4; ++n) {\n        result[j] = t1 ^= result[j - 16];\n        j++;\n        result[j] = t2 ^= result[j - 16];\n        j++;\n        result[j] = t3 ^= result[j - 16];\n        j++;\n        result[j] = t4 ^= result[j - 16];\n        j++;\n      }\n    }\n    return result;\n  }\n}\n\nclass AES256Cipher extends AESBaseCipher {\n  constructor(key) {\n    super();\n\n    this._cyclesOfRepetition = 14;\n    this._keySize = 224; // bits\n\n    this._key = this._expandKey(key);\n  }\n\n  _expandKey(cipherKey) {\n    const b = 240;\n    const s = this._s;\n\n    const result = new Uint8Array(b);\n    result.set(cipherKey);\n\n    let r = 1;\n    let t1, t2, t3, t4;\n    for (let j = 32, i = 1; j < b; ++i) {\n      if (j % 32 === 16) {\n        t1 = s[t1];\n        t2 = s[t2];\n        t3 = s[t3];\n        t4 = s[t4];\n      } else if (j % 32 === 0) {\n        // RotWord\n        t1 = result[j - 3];\n        t2 = result[j - 2];\n        t3 = result[j - 1];\n        t4 = result[j - 4];\n        // SubWord\n        t1 = s[t1];\n        t2 = s[t2];\n        t3 = s[t3];\n        t4 = s[t4];\n        // Rcon\n        t1 = t1 ^ r;\n        if ((r <<= 1) >= 256) {\n          r = (r ^ 0x1b) & 0xff;\n        }\n      }\n\n      for (let n = 0; n < 4; ++n) {\n        result[j] = t1 ^= result[j - 32];\n        j++;\n        result[j] = t2 ^= result[j - 32];\n        j++;\n        result[j] = t3 ^= result[j - 32];\n        j++;\n        result[j] = t4 ^= result[j - 32];\n        j++;\n      }\n    }\n    return result;\n  }\n}\n\nvar PDF17 = (function PDF17Closure() {\n  function compareByteArrays(array1, array2) {\n    if (array1.length !== array2.length) {\n      return false;\n    }\n    for (var i = 0; i < array1.length; i++) {\n      if (array1[i] !== array2[i]) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PDF17() {}\n\n  PDF17.prototype = {\n    checkOwnerPassword: function PDF17_checkOwnerPassword(\n      password,\n      ownerValidationSalt,\n      userBytes,\n      ownerPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerValidationSalt, password.length);\n      hashData.set(userBytes, password.length + ownerValidationSalt.length);\n      var result = calculateSHA256(hashData, 0, hashData.length);\n      return compareByteArrays(result, ownerPassword);\n    },\n    checkUserPassword: function PDF17_checkUserPassword(\n      password,\n      userValidationSalt,\n      userPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userValidationSalt, password.length);\n      var result = calculateSHA256(hashData, 0, hashData.length);\n      return compareByteArrays(result, userPassword);\n    },\n    getOwnerKey: function PDF17_getOwnerKey(\n      password,\n      ownerKeySalt,\n      userBytes,\n      ownerEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerKeySalt, password.length);\n      hashData.set(userBytes, password.length + ownerKeySalt.length);\n      var key = calculateSHA256(hashData, 0, hashData.length);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));\n    },\n    getUserKey: function PDF17_getUserKey(\n      password,\n      userKeySalt,\n      userEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userKeySalt, password.length);\n      // `key` is the decryption key for the UE string.\n      var key = calculateSHA256(hashData, 0, hashData.length);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));\n    },\n  };\n  return PDF17;\n})();\n\nvar PDF20 = (function PDF20Closure() {\n  function concatArrays(array1, array2) {\n    var t = new Uint8Array(array1.length + array2.length);\n    t.set(array1, 0);\n    t.set(array2, array1.length);\n    return t;\n  }\n\n  function calculatePDF20Hash(password, input, userBytes) {\n    // This refers to Algorithm 2.B as defined in ISO 32000-2.\n    var k = calculateSHA256(input, 0, input.length).subarray(0, 32);\n    var e = [0];\n    var i = 0;\n    while (i < 64 || e[e.length - 1] > i - 32) {\n      var arrayLength = password.length + k.length + userBytes.length;\n\n      var k1 = new Uint8Array(arrayLength * 64);\n      var array = concatArrays(password, k);\n      array = concatArrays(array, userBytes);\n      for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {\n        k1.set(array, pos);\n      }\n      // AES128 CBC NO PADDING with first 16 bytes of k as the key\n      // and the second 16 as the iv.\n      var cipher = new AES128Cipher(k.subarray(0, 16));\n      e = cipher.encrypt(k1, k.subarray(16, 32));\n      // Now we have to take the first 16 bytes of an unsigned big endian\n      // integer and compute the remainder modulo 3. That is a fairly large\n      // number and JavaScript isn't going to handle that well, so we're using\n      // a trick that allows us to perform modulo math byte by byte.\n      var remainder = 0;\n      for (var z = 0; z < 16; z++) {\n        remainder *= 256 % 3;\n        remainder %= 3;\n        remainder += (e[z] >>> 0) % 3;\n        remainder %= 3;\n      }\n      if (remainder === 0) {\n        k = calculateSHA256(e, 0, e.length);\n      } else if (remainder === 1) {\n        k = calculateSHA384(e, 0, e.length);\n      } else if (remainder === 2) {\n        k = calculateSHA512(e, 0, e.length);\n      }\n      i++;\n    }\n    return k.subarray(0, 32);\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PDF20() {}\n\n  function compareByteArrays(array1, array2) {\n    if (array1.length !== array2.length) {\n      return false;\n    }\n    for (var i = 0; i < array1.length; i++) {\n      if (array1[i] !== array2[i]) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  PDF20.prototype = {\n    hash: function PDF20_hash(password, concatBytes, userBytes) {\n      return calculatePDF20Hash(password, concatBytes, userBytes);\n    },\n    checkOwnerPassword: function PDF20_checkOwnerPassword(\n      password,\n      ownerValidationSalt,\n      userBytes,\n      ownerPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerValidationSalt, password.length);\n      hashData.set(userBytes, password.length + ownerValidationSalt.length);\n      var result = calculatePDF20Hash(password, hashData, userBytes);\n      return compareByteArrays(result, ownerPassword);\n    },\n    checkUserPassword: function PDF20_checkUserPassword(\n      password,\n      userValidationSalt,\n      userPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userValidationSalt, password.length);\n      var result = calculatePDF20Hash(password, hashData, []);\n      return compareByteArrays(result, userPassword);\n    },\n    getOwnerKey: function PDF20_getOwnerKey(\n      password,\n      ownerKeySalt,\n      userBytes,\n      ownerEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerKeySalt, password.length);\n      hashData.set(userBytes, password.length + ownerKeySalt.length);\n      var key = calculatePDF20Hash(password, hashData, userBytes);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));\n    },\n    getUserKey: function PDF20_getUserKey(\n      password,\n      userKeySalt,\n      userEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userKeySalt, password.length);\n      // `key` is the decryption key for the UE string.\n      var key = calculatePDF20Hash(password, hashData, []);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));\n    },\n  };\n  return PDF20;\n})();\n\nvar CipherTransform = (function CipherTransformClosure() {\n  // eslint-disable-next-line no-shadow\n  function CipherTransform(stringCipherConstructor, streamCipherConstructor) {\n    this.StringCipherConstructor = stringCipherConstructor;\n    this.StreamCipherConstructor = streamCipherConstructor;\n  }\n\n  CipherTransform.prototype = {\n    createStream: function CipherTransform_createStream(stream, length) {\n      var cipher = new this.StreamCipherConstructor();\n      return new DecryptStream(\n        stream,\n        length,\n        function cipherTransformDecryptStream(data, finalize) {\n          return cipher.decryptBlock(data, finalize);\n        }\n      );\n    },\n    decryptString: function CipherTransform_decryptString(s) {\n      var cipher = new this.StringCipherConstructor();\n      var data = stringToBytes(s);\n      data = cipher.decryptBlock(data, true);\n      return bytesToString(data);\n    },\n    encryptString: function CipherTransform_encryptString(s) {\n      const cipher = new this.StringCipherConstructor();\n      if (cipher instanceof AESBaseCipher) {\n        // Append some chars equal to \"16 - (M mod 16)\"\n        // where M is the string length (see section 7.6.2 in PDF specification)\n        // to have a final string where the length is a multiple of 16.\n        const strLen = s.length;\n        const pad = 16 - (strLen % 16);\n        if (pad !== 16) {\n          s = s.padEnd(16 * Math.ceil(strLen / 16), String.fromCharCode(pad));\n        }\n\n        // Generate an initialization vector\n        const iv = new Uint8Array(16);\n        if (typeof crypto !== \"undefined\") {\n          crypto.getRandomValues(iv);\n        } else {\n          for (let i = 0; i < 16; i++) {\n            iv[i] = Math.floor(256 * Math.random());\n          }\n        }\n\n        let data = stringToBytes(s);\n        data = cipher.encrypt(data, iv);\n\n        const buf = new Uint8Array(16 + data.length);\n        buf.set(iv);\n        buf.set(data, 16);\n\n        return bytesToString(buf);\n      }\n\n      let data = stringToBytes(s);\n      data = cipher.encrypt(data);\n      return bytesToString(data);\n    },\n  };\n  return CipherTransform;\n})();\n\nvar CipherTransformFactory = (function CipherTransformFactoryClosure() {\n  // prettier-ignore\n  var defaultPasswordBytes = new Uint8Array([\n    0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41,\n    0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08,\n    0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80,\n    0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);\n\n  function createEncryptionKey20(\n    revision,\n    password,\n    ownerPassword,\n    ownerValidationSalt,\n    ownerKeySalt,\n    uBytes,\n    userPassword,\n    userValidationSalt,\n    userKeySalt,\n    ownerEncryption,\n    userEncryption,\n    perms\n  ) {\n    if (password) {\n      var passwordLength = Math.min(127, password.length);\n      password = password.subarray(0, passwordLength);\n    } else {\n      password = [];\n    }\n    var pdfAlgorithm;\n    if (revision === 6) {\n      pdfAlgorithm = new PDF20();\n    } else {\n      pdfAlgorithm = new PDF17();\n    }\n\n    if (\n      pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)\n    ) {\n      return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);\n    } else if (\n      password.length &&\n      pdfAlgorithm.checkOwnerPassword(\n        password,\n        ownerValidationSalt,\n        uBytes,\n        ownerPassword\n      )\n    ) {\n      return pdfAlgorithm.getOwnerKey(\n        password,\n        ownerKeySalt,\n        uBytes,\n        ownerEncryption\n      );\n    }\n\n    return null;\n  }\n\n  function prepareKeyData(\n    fileId,\n    password,\n    ownerPassword,\n    userPassword,\n    flags,\n    revision,\n    keyLength,\n    encryptMetadata\n  ) {\n    var hashDataSize = 40 + ownerPassword.length + fileId.length;\n    var hashData = new Uint8Array(hashDataSize),\n      i = 0,\n      j,\n      n;\n    if (password) {\n      n = Math.min(32, password.length);\n      for (; i < n; ++i) {\n        hashData[i] = password[i];\n      }\n    }\n    j = 0;\n    while (i < 32) {\n      hashData[i++] = defaultPasswordBytes[j++];\n    }\n    // as now the padded password in the hashData[0..i]\n    for (j = 0, n = ownerPassword.length; j < n; ++j) {\n      hashData[i++] = ownerPassword[j];\n    }\n    hashData[i++] = flags & 0xff;\n    hashData[i++] = (flags >> 8) & 0xff;\n    hashData[i++] = (flags >> 16) & 0xff;\n    hashData[i++] = (flags >>> 24) & 0xff;\n    for (j = 0, n = fileId.length; j < n; ++j) {\n      hashData[i++] = fileId[j];\n    }\n    if (revision >= 4 && !encryptMetadata) {\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n    }\n    var hash = calculateMD5(hashData, 0, i);\n    var keyLengthInBytes = keyLength >> 3;\n    if (revision >= 3) {\n      for (j = 0; j < 50; ++j) {\n        hash = calculateMD5(hash, 0, keyLengthInBytes);\n      }\n    }\n    var encryptionKey = hash.subarray(0, keyLengthInBytes);\n    var cipher, checkData;\n\n    if (revision >= 3) {\n      for (i = 0; i < 32; ++i) {\n        hashData[i] = defaultPasswordBytes[i];\n      }\n      for (j = 0, n = fileId.length; j < n; ++j) {\n        hashData[i++] = fileId[j];\n      }\n      cipher = new ARCFourCipher(encryptionKey);\n      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));\n      n = encryptionKey.length;\n      var derivedKey = new Uint8Array(n),\n        k;\n      for (j = 1; j <= 19; ++j) {\n        for (k = 0; k < n; ++k) {\n          derivedKey[k] = encryptionKey[k] ^ j;\n        }\n        cipher = new ARCFourCipher(derivedKey);\n        checkData = cipher.encryptBlock(checkData);\n      }\n      for (j = 0, n = checkData.length; j < n; ++j) {\n        if (userPassword[j] !== checkData[j]) {\n          return null;\n        }\n      }\n    } else {\n      cipher = new ARCFourCipher(encryptionKey);\n      checkData = cipher.encryptBlock(defaultPasswordBytes);\n      for (j = 0, n = checkData.length; j < n; ++j) {\n        if (userPassword[j] !== checkData[j]) {\n          return null;\n        }\n      }\n    }\n    return encryptionKey;\n  }\n\n  function decodeUserPassword(password, ownerPassword, revision, keyLength) {\n    var hashData = new Uint8Array(32),\n      i = 0,\n      j,\n      n;\n    n = Math.min(32, password.length);\n    for (; i < n; ++i) {\n      hashData[i] = password[i];\n    }\n    j = 0;\n    while (i < 32) {\n      hashData[i++] = defaultPasswordBytes[j++];\n    }\n    var hash = calculateMD5(hashData, 0, i);\n    var keyLengthInBytes = keyLength >> 3;\n    if (revision >= 3) {\n      for (j = 0; j < 50; ++j) {\n        hash = calculateMD5(hash, 0, hash.length);\n      }\n    }\n\n    var cipher, userPassword;\n    if (revision >= 3) {\n      userPassword = ownerPassword;\n      var derivedKey = new Uint8Array(keyLengthInBytes),\n        k;\n      for (j = 19; j >= 0; j--) {\n        for (k = 0; k < keyLengthInBytes; ++k) {\n          derivedKey[k] = hash[k] ^ j;\n        }\n        cipher = new ARCFourCipher(derivedKey);\n        userPassword = cipher.encryptBlock(userPassword);\n      }\n    } else {\n      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));\n      userPassword = cipher.encryptBlock(ownerPassword);\n    }\n    return userPassword;\n  }\n\n  var identityName = Name.get(\"Identity\");\n\n  // eslint-disable-next-line no-shadow\n  function CipherTransformFactory(dict, fileId, password) {\n    var filter = dict.get(\"Filter\");\n    if (!isName(filter, \"Standard\")) {\n      throw new FormatError(\"unknown encryption method\");\n    }\n    this.dict = dict;\n    var algorithm = dict.get(\"V\");\n    if (\n      !Number.isInteger(algorithm) ||\n      (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5)\n    ) {\n      throw new FormatError(\"unsupported encryption algorithm\");\n    }\n    this.algorithm = algorithm;\n    var keyLength = dict.get(\"Length\");\n    if (!keyLength) {\n      // Spec asks to rely on encryption dictionary's Length entry, however\n      // some PDFs don't have it. Trying to recover.\n      if (algorithm <= 3) {\n        // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value.\n        keyLength = 40;\n      } else {\n        // Trying to find default handler -- it usually has Length.\n        var cfDict = dict.get(\"CF\");\n        var streamCryptoName = dict.get(\"StmF\");\n        if (isDict(cfDict) && isName(streamCryptoName)) {\n          cfDict.suppressEncryption = true; // See comment below.\n          var handlerDict = cfDict.get(streamCryptoName.name);\n          keyLength = (handlerDict && handlerDict.get(\"Length\")) || 128;\n          if (keyLength < 40) {\n            // Sometimes it's incorrect value of bits, generators specify bytes.\n            keyLength <<= 3;\n          }\n        }\n      }\n    }\n    if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {\n      throw new FormatError(\"invalid key length\");\n    }\n\n    // prepare keys\n    var ownerPassword = stringToBytes(dict.get(\"O\")).subarray(0, 32);\n    var userPassword = stringToBytes(dict.get(\"U\")).subarray(0, 32);\n    var flags = dict.get(\"P\");\n    var revision = dict.get(\"R\");\n    // meaningful when V is 4 or 5\n    var encryptMetadata =\n      (algorithm === 4 || algorithm === 5) &&\n      dict.get(\"EncryptMetadata\") !== false;\n    this.encryptMetadata = encryptMetadata;\n\n    var fileIdBytes = stringToBytes(fileId);\n    var passwordBytes;\n    if (password) {\n      if (revision === 6) {\n        try {\n          password = utf8StringToString(password);\n        } catch (ex) {\n          warn(\n            \"CipherTransformFactory: \" +\n              \"Unable to convert UTF8 encoded password.\"\n          );\n        }\n      }\n      passwordBytes = stringToBytes(password);\n    }\n\n    var encryptionKey;\n    if (algorithm !== 5) {\n      encryptionKey = prepareKeyData(\n        fileIdBytes,\n        passwordBytes,\n        ownerPassword,\n        userPassword,\n        flags,\n        revision,\n        keyLength,\n        encryptMetadata\n      );\n    } else {\n      var ownerValidationSalt = stringToBytes(dict.get(\"O\")).subarray(32, 40);\n      var ownerKeySalt = stringToBytes(dict.get(\"O\")).subarray(40, 48);\n      var uBytes = stringToBytes(dict.get(\"U\")).subarray(0, 48);\n      var userValidationSalt = stringToBytes(dict.get(\"U\")).subarray(32, 40);\n      var userKeySalt = stringToBytes(dict.get(\"U\")).subarray(40, 48);\n      var ownerEncryption = stringToBytes(dict.get(\"OE\"));\n      var userEncryption = stringToBytes(dict.get(\"UE\"));\n      var perms = stringToBytes(dict.get(\"Perms\"));\n      encryptionKey = createEncryptionKey20(\n        revision,\n        passwordBytes,\n        ownerPassword,\n        ownerValidationSalt,\n        ownerKeySalt,\n        uBytes,\n        userPassword,\n        userValidationSalt,\n        userKeySalt,\n        ownerEncryption,\n        userEncryption,\n        perms\n      );\n    }\n    if (!encryptionKey && !password) {\n      throw new PasswordException(\n        \"No password given\",\n        PasswordResponses.NEED_PASSWORD\n      );\n    } else if (!encryptionKey && password) {\n      // Attempting use the password as an owner password\n      var decodedPassword = decodeUserPassword(\n        passwordBytes,\n        ownerPassword,\n        revision,\n        keyLength\n      );\n      encryptionKey = prepareKeyData(\n        fileIdBytes,\n        decodedPassword,\n        ownerPassword,\n        userPassword,\n        flags,\n        revision,\n        keyLength,\n        encryptMetadata\n      );\n    }\n\n    if (!encryptionKey) {\n      throw new PasswordException(\n        \"Incorrect Password\",\n        PasswordResponses.INCORRECT_PASSWORD\n      );\n    }\n\n    this.encryptionKey = encryptionKey;\n\n    if (algorithm >= 4) {\n      var cf = dict.get(\"CF\");\n      if (isDict(cf)) {\n        // The 'CF' dictionary itself should not be encrypted, and by setting\n        // `suppressEncryption` we can prevent an infinite loop inside of\n        // `XRef_fetchUncompressed` if the dictionary contains indirect objects\n        // (fixes issue7665.pdf).\n        cf.suppressEncryption = true;\n      }\n      this.cf = cf;\n      this.stmf = dict.get(\"StmF\") || identityName;\n      this.strf = dict.get(\"StrF\") || identityName;\n      this.eff = dict.get(\"EFF\") || this.stmf;\n    }\n  }\n\n  function buildObjectKey(num, gen, encryptionKey, isAes) {\n    var key = new Uint8Array(encryptionKey.length + 9),\n      i,\n      n;\n    for (i = 0, n = encryptionKey.length; i < n; ++i) {\n      key[i] = encryptionKey[i];\n    }\n    key[i++] = num & 0xff;\n    key[i++] = (num >> 8) & 0xff;\n    key[i++] = (num >> 16) & 0xff;\n    key[i++] = gen & 0xff;\n    key[i++] = (gen >> 8) & 0xff;\n    if (isAes) {\n      key[i++] = 0x73;\n      key[i++] = 0x41;\n      key[i++] = 0x6c;\n      key[i++] = 0x54;\n    }\n    var hash = calculateMD5(key, 0, i);\n    return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));\n  }\n\n  function buildCipherConstructor(cf, name, num, gen, key) {\n    if (!isName(name)) {\n      throw new FormatError(\"Invalid crypt filter name.\");\n    }\n    var cryptFilter = cf.get(name.name);\n    var cfm;\n    if (cryptFilter !== null && cryptFilter !== undefined) {\n      cfm = cryptFilter.get(\"CFM\");\n    }\n    if (!cfm || cfm.name === \"None\") {\n      return function cipherTransformFactoryBuildCipherConstructorNone() {\n        return new NullCipher();\n      };\n    }\n    if (cfm.name === \"V2\") {\n      return function cipherTransformFactoryBuildCipherConstructorV2() {\n        return new ARCFourCipher(buildObjectKey(num, gen, key, false));\n      };\n    }\n    if (cfm.name === \"AESV2\") {\n      return function cipherTransformFactoryBuildCipherConstructorAESV2() {\n        return new AES128Cipher(buildObjectKey(num, gen, key, true));\n      };\n    }\n    if (cfm.name === \"AESV3\") {\n      return function cipherTransformFactoryBuildCipherConstructorAESV3() {\n        return new AES256Cipher(key);\n      };\n    }\n    throw new FormatError(\"Unknown crypto method\");\n  }\n\n  CipherTransformFactory.prototype = {\n    createCipherTransform: function CipherTransformFactory_createCipherTransform(\n      num,\n      gen\n    ) {\n      if (this.algorithm === 4 || this.algorithm === 5) {\n        return new CipherTransform(\n          buildCipherConstructor(\n            this.cf,\n            this.stmf,\n            num,\n            gen,\n            this.encryptionKey\n          ),\n          buildCipherConstructor(\n            this.cf,\n            this.strf,\n            num,\n            gen,\n            this.encryptionKey\n          )\n        );\n      }\n      // algorithms 1 and 2\n      var key = buildObjectKey(num, gen, this.encryptionKey, false);\n      var cipherConstructor = function buildCipherCipherConstructor() {\n        return new ARCFourCipher(key);\n      };\n      return new CipherTransform(cipherConstructor, cipherConstructor);\n    },\n  };\n\n  return CipherTransformFactory;\n})();\n\nexport {\n  AES128Cipher,\n  AES256Cipher,\n  ARCFourCipher,\n  CipherTransformFactory,\n  PDF17,\n  PDF20,\n  calculateMD5,\n  calculateSHA256,\n  calculateSHA384,\n  calculateSHA512,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  shadow,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { isDict, isName, isStream, Name, Ref } from \"./primitives.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\n/**\n * Resizes an RGB image with 3 components.\n * @param {TypedArray} src - The source buffer.\n * @param {TypedArray} dest - The destination buffer.\n * @param {number} w1 - Original width.\n * @param {number} h1 - Original height.\n * @param {number} w2 - New width.\n * @param {number} h2 - New height.\n * @param {number} alpha01 - Size reserved for the alpha channel.\n */\nfunction resizeRgbImage(src, dest, w1, h1, w2, h2, alpha01) {\n  const COMPONENTS = 3;\n  alpha01 = alpha01 !== 1 ? 0 : alpha01;\n  const xRatio = w1 / w2;\n  const yRatio = h1 / h2;\n  let newIndex = 0,\n    oldIndex;\n  const xScaled = new Uint16Array(w2);\n  const w1Scanline = w1 * COMPONENTS;\n\n  for (let i = 0; i < w2; i++) {\n    xScaled[i] = Math.floor(i * xRatio) * COMPONENTS;\n  }\n  for (let i = 0; i < h2; i++) {\n    const py = Math.floor(i * yRatio) * w1Scanline;\n    for (let j = 0; j < w2; j++) {\n      oldIndex = py + xScaled[j];\n      dest[newIndex++] = src[oldIndex++];\n      dest[newIndex++] = src[oldIndex++];\n      dest[newIndex++] = src[oldIndex++];\n      newIndex += alpha01;\n    }\n  }\n}\n\nclass ColorSpace {\n  constructor(name, numComps) {\n    if (this.constructor === ColorSpace) {\n      unreachable(\"Cannot initialize ColorSpace.\");\n    }\n    this.name = name;\n    this.numComps = numComps;\n  }\n\n  /**\n   * Converts the color value to the RGB color. The color components are\n   * located in the src array starting from the srcOffset. Returns the array\n   * of the rgb components, each value ranging from [0,255].\n   */\n  getRgb(src, srcOffset) {\n    const rgb = new Uint8ClampedArray(3);\n    this.getRgbItem(src, srcOffset, rgb, 0);\n    return rgb;\n  }\n\n  /**\n   * Converts the color value to the RGB color, similar to the getRgb method.\n   * The result placed into the dest array starting from the destOffset.\n   */\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    unreachable(\"Should not call ColorSpace.getRgbItem\");\n  }\n\n  /**\n   * Converts the specified number of the color values to the RGB colors.\n   * The colors are located in the src array starting from the srcOffset.\n   * The result is placed into the dest array starting from the destOffset.\n   * The src array items shall be in [0,2^bits) range, the dest array items\n   * will be in [0,255] range. alpha01 indicates how many alpha components\n   * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA\n   * array).\n   */\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    unreachable(\"Should not call ColorSpace.getRgbBuffer\");\n  }\n\n  /**\n   * Determines the number of bytes required to store the result of the\n   * conversion done by the getRgbBuffer method. As in getRgbBuffer,\n   * |alpha01| is either 0 (RGB output) or 1 (RGBA output).\n   */\n  getOutputLength(inputLength, alpha01) {\n    unreachable(\"Should not call ColorSpace.getOutputLength\");\n  }\n\n  /**\n   * Returns true if source data will be equal the result/output data.\n   */\n  isPassthrough(bits) {\n    return false;\n  }\n\n  /**\n   * Refer to the static `ColorSpace.isDefaultDecode` method below.\n   */\n  isDefaultDecode(decodeMap, bpc) {\n    return ColorSpace.isDefaultDecode(decodeMap, this.numComps);\n  }\n\n  /**\n   * Fills in the RGB colors in the destination buffer.  alpha01 indicates\n   * how many alpha components there are in the dest array; it will be either\n   * 0 (RGB array) or 1 (RGBA array).\n   */\n  fillRgb(\n    dest,\n    originalWidth,\n    originalHeight,\n    width,\n    height,\n    actualHeight,\n    bpc,\n    comps,\n    alpha01\n  ) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'ColorSpace.fillRgb: Unsupported \"dest\" type.'\n      );\n    }\n    const count = originalWidth * originalHeight;\n    let rgbBuf = null;\n    const numComponentColors = 1 << bpc;\n    const needsResizing = originalHeight !== height || originalWidth !== width;\n\n    if (this.isPassthrough(bpc)) {\n      rgbBuf = comps;\n    } else if (\n      this.numComps === 1 &&\n      count > numComponentColors &&\n      this.name !== \"DeviceGray\" &&\n      this.name !== \"DeviceRGB\"\n    ) {\n      // Optimization: create a color map when there is just one component and\n      // we are converting more colors than the size of the color map. We\n      // don't build the map if the colorspace is gray or rgb since those\n      // methods are faster than building a map. This mainly offers big speed\n      // ups for indexed and alternate colorspaces.\n      //\n      // TODO it may be worth while to cache the color map. While running\n      // testing I never hit a cache so I will leave that out for now (perhaps\n      // we are reparsing colorspaces too much?).\n      const allColors =\n        bpc <= 8\n          ? new Uint8Array(numComponentColors)\n          : new Uint16Array(numComponentColors);\n      for (let i = 0; i < numComponentColors; i++) {\n        allColors[i] = i;\n      }\n      const colorMap = new Uint8ClampedArray(numComponentColors * 3);\n      this.getRgbBuffer(\n        allColors,\n        0,\n        numComponentColors,\n        colorMap,\n        0,\n        bpc,\n        /* alpha01 = */ 0\n      );\n\n      if (!needsResizing) {\n        // Fill in the RGB values directly into |dest|.\n        let destPos = 0;\n        for (let i = 0; i < count; ++i) {\n          const key = comps[i] * 3;\n          dest[destPos++] = colorMap[key];\n          dest[destPos++] = colorMap[key + 1];\n          dest[destPos++] = colorMap[key + 2];\n          destPos += alpha01;\n        }\n      } else {\n        rgbBuf = new Uint8Array(count * 3);\n        let rgbPos = 0;\n        for (let i = 0; i < count; ++i) {\n          const key = comps[i] * 3;\n          rgbBuf[rgbPos++] = colorMap[key];\n          rgbBuf[rgbPos++] = colorMap[key + 1];\n          rgbBuf[rgbPos++] = colorMap[key + 2];\n        }\n      }\n    } else {\n      if (!needsResizing) {\n        // Fill in the RGB values directly into |dest|.\n        this.getRgbBuffer(\n          comps,\n          0,\n          width * actualHeight,\n          dest,\n          0,\n          bpc,\n          alpha01\n        );\n      } else {\n        rgbBuf = new Uint8ClampedArray(count * 3);\n        this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, /* alpha01 = */ 0);\n      }\n    }\n\n    if (rgbBuf) {\n      if (needsResizing) {\n        resizeRgbImage(\n          rgbBuf,\n          dest,\n          originalWidth,\n          originalHeight,\n          width,\n          height,\n          alpha01\n        );\n      } else {\n        let destPos = 0,\n          rgbPos = 0;\n        for (let i = 0, ii = width * actualHeight; i < ii; i++) {\n          dest[destPos++] = rgbBuf[rgbPos++];\n          dest[destPos++] = rgbBuf[rgbPos++];\n          dest[destPos++] = rgbBuf[rgbPos++];\n          destPos += alpha01;\n        }\n      }\n    }\n  }\n\n  /**\n   * True if the colorspace has components in the default range of [0, 1].\n   * This should be true for all colorspaces except for lab color spaces\n   * which are [0,100], [-128, 127], [-128, 127].\n   */\n  get usesZeroToOneRange() {\n    return shadow(this, \"usesZeroToOneRange\", true);\n  }\n\n  /**\n   * @private\n   */\n  static _cache(cacheKey, xref, localColorSpaceCache, parsedColorSpace) {\n    if (!localColorSpaceCache) {\n      throw new Error(\n        'ColorSpace._cache - expected \"localColorSpaceCache\" argument.'\n      );\n    }\n    if (!parsedColorSpace) {\n      throw new Error(\n        'ColorSpace._cache - expected \"parsedColorSpace\" argument.'\n      );\n    }\n    let csName, csRef;\n    if (cacheKey instanceof Ref) {\n      csRef = cacheKey;\n\n      // If parsing succeeded, we know that this call cannot throw.\n      cacheKey = xref.fetch(cacheKey);\n    }\n    if (cacheKey instanceof Name) {\n      csName = cacheKey.name;\n    }\n    if (csName || csRef) {\n      localColorSpaceCache.set(csName, csRef, parsedColorSpace);\n    }\n  }\n\n  static getCached(cacheKey, xref, localColorSpaceCache) {\n    if (!localColorSpaceCache) {\n      throw new Error(\n        'ColorSpace.getCached - expected \"localColorSpaceCache\" argument.'\n      );\n    }\n    if (cacheKey instanceof Ref) {\n      const localColorSpace = localColorSpaceCache.getByRef(cacheKey);\n      if (localColorSpace) {\n        return localColorSpace;\n      }\n\n      try {\n        cacheKey = xref.fetch(cacheKey);\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        // Any errors should be handled during parsing, rather than here.\n      }\n    }\n    if (cacheKey instanceof Name) {\n      const localColorSpace = localColorSpaceCache.getByName(cacheKey.name);\n      if (localColorSpace) {\n        return localColorSpace;\n      }\n    }\n    return null;\n  }\n\n  static async parseAsync({\n    cs,\n    xref,\n    resources = null,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        !this.getCached(cs, xref, localColorSpaceCache),\n        \"Expected `ColorSpace.getCached` to have been manually checked \" +\n          \"before calling `ColorSpace.parseAsync`.\"\n      );\n    }\n    const parsedColorSpace = this._parse(\n      cs,\n      xref,\n      resources,\n      pdfFunctionFactory\n    );\n\n    // Attempt to cache the parsed ColorSpace, by name and/or reference.\n    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);\n\n    return parsedColorSpace;\n  }\n\n  static parse({\n    cs,\n    xref,\n    resources = null,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    const cachedColorSpace = this.getCached(cs, xref, localColorSpaceCache);\n    if (cachedColorSpace) {\n      return cachedColorSpace;\n    }\n    const parsedColorSpace = this._parse(\n      cs,\n      xref,\n      resources,\n      pdfFunctionFactory\n    );\n\n    // Attempt to cache the parsed ColorSpace, by name and/or reference.\n    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);\n\n    return parsedColorSpace;\n  }\n\n  /**\n   * @private\n   */\n  static _parse(cs, xref, resources = null, pdfFunctionFactory) {\n    cs = xref.fetchIfRef(cs);\n    if (isName(cs)) {\n      switch (cs.name) {\n        case \"DeviceGray\":\n        case \"G\":\n          return this.singletons.gray;\n        case \"DeviceRGB\":\n        case \"RGB\":\n          return this.singletons.rgb;\n        case \"DeviceCMYK\":\n        case \"CMYK\":\n          return this.singletons.cmyk;\n        case \"Pattern\":\n          return new PatternCS(/* baseCS = */ null);\n        default:\n          if (isDict(resources)) {\n            const colorSpaces = resources.get(\"ColorSpace\");\n            if (isDict(colorSpaces)) {\n              const resourcesCS = colorSpaces.get(cs.name);\n              if (resourcesCS) {\n                if (isName(resourcesCS)) {\n                  return this._parse(\n                    resourcesCS,\n                    xref,\n                    resources,\n                    pdfFunctionFactory\n                  );\n                }\n                cs = resourcesCS;\n                break;\n              }\n            }\n          }\n          throw new FormatError(`Unrecognized ColorSpace: ${cs.name}`);\n      }\n    }\n    if (Array.isArray(cs)) {\n      const mode = xref.fetchIfRef(cs[0]).name;\n      let params, numComps, baseCS, whitePoint, blackPoint, gamma;\n\n      switch (mode) {\n        case \"DeviceGray\":\n        case \"G\":\n          return this.singletons.gray;\n        case \"DeviceRGB\":\n        case \"RGB\":\n          return this.singletons.rgb;\n        case \"DeviceCMYK\":\n        case \"CMYK\":\n          return this.singletons.cmyk;\n        case \"CalGray\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          gamma = params.get(\"Gamma\");\n          return new CalGrayCS(whitePoint, blackPoint, gamma);\n        case \"CalRGB\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          gamma = params.getArray(\"Gamma\");\n          const matrix = params.getArray(\"Matrix\");\n          return new CalRGBCS(whitePoint, blackPoint, gamma, matrix);\n        case \"ICCBased\":\n          const stream = xref.fetchIfRef(cs[1]);\n          const dict = stream.dict;\n          numComps = dict.get(\"N\");\n          const alt = dict.get(\"Alternate\");\n          if (alt) {\n            const altCS = this._parse(alt, xref, resources, pdfFunctionFactory);\n            // Ensure that the number of components are correct,\n            // and also (indirectly) that it is not a PatternCS.\n            if (altCS.numComps === numComps) {\n              return altCS;\n            }\n            warn(\"ICCBased color space: Ignoring incorrect /Alternate entry.\");\n          }\n          if (numComps === 1) {\n            return this.singletons.gray;\n          } else if (numComps === 3) {\n            return this.singletons.rgb;\n          } else if (numComps === 4) {\n            return this.singletons.cmyk;\n          }\n          break;\n        case \"Pattern\":\n          baseCS = cs[1] || null;\n          if (baseCS) {\n            baseCS = this._parse(baseCS, xref, resources, pdfFunctionFactory);\n          }\n          return new PatternCS(baseCS);\n        case \"Indexed\":\n        case \"I\":\n          baseCS = this._parse(cs[1], xref, resources, pdfFunctionFactory);\n          const hiVal = xref.fetchIfRef(cs[2]) + 1;\n          const lookup = xref.fetchIfRef(cs[3]);\n          return new IndexedCS(baseCS, hiVal, lookup);\n        case \"Separation\":\n        case \"DeviceN\":\n          const name = xref.fetchIfRef(cs[1]);\n          numComps = Array.isArray(name) ? name.length : 1;\n          baseCS = this._parse(cs[2], xref, resources, pdfFunctionFactory);\n          const tintFn = pdfFunctionFactory.create(cs[3]);\n          return new AlternateCS(numComps, baseCS, tintFn);\n        case \"Lab\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          const range = params.getArray(\"Range\");\n          return new LabCS(whitePoint, blackPoint, range);\n        default:\n          throw new FormatError(`Unimplemented ColorSpace object: ${mode}`);\n      }\n    }\n    throw new FormatError(`Unrecognized ColorSpace object: ${cs}`);\n  }\n\n  /**\n   * Checks if a decode map matches the default decode map for a color space.\n   * This handles the general decode maps where there are two values per\n   * component, e.g. [0, 1, 0, 1, 0, 1] for a RGB color.\n   * This does not handle Lab, Indexed, or Pattern decode maps since they are\n   * slightly different.\n   * @param {Array} decode - Decode map (usually from an image).\n   * @param {number} numComps - Number of components the color space has.\n   */\n  static isDefaultDecode(decode, numComps) {\n    if (!Array.isArray(decode)) {\n      return true;\n    }\n    if (numComps * 2 !== decode.length) {\n      warn(\"The decode map is not the correct length\");\n      return true;\n    }\n    for (let i = 0, ii = decode.length; i < ii; i += 2) {\n      if (decode[i] !== 0 || decode[i + 1] !== 1) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  static get singletons() {\n    return shadow(this, \"singletons\", {\n      get gray() {\n        return shadow(this, \"gray\", new DeviceGrayCS());\n      },\n      get rgb() {\n        return shadow(this, \"rgb\", new DeviceRgbCS());\n      },\n      get cmyk() {\n        return shadow(this, \"cmyk\", new DeviceCmykCS());\n      },\n    });\n  }\n}\n\n/**\n * Alternate color space handles both Separation and DeviceN color spaces.  A\n * Separation color space is actually just a DeviceN with one color component.\n * Both color spaces use a tinting function to convert colors to a base color\n * space.\n *\n * The default color is `new Float32Array(new Array(numComps).fill(1))`.\n */\nclass AlternateCS extends ColorSpace {\n  constructor(numComps, base, tintFn) {\n    super(\"Alternate\", numComps);\n    this.base = base;\n    this.tintFn = tintFn;\n    this.tmpBuf = new Float32Array(base.numComps);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'AlternateCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const tmpBuf = this.tmpBuf;\n    this.tintFn(src, srcOffset, tmpBuf, 0);\n    this.base.getRgbItem(tmpBuf, 0, dest, destOffset);\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'AlternateCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const tintFn = this.tintFn;\n    const base = this.base;\n    const scale = 1 / ((1 << bits) - 1);\n    const baseNumComps = base.numComps;\n    const usesZeroToOneRange = base.usesZeroToOneRange;\n    const isPassthrough =\n      (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0;\n    let pos = isPassthrough ? destOffset : 0;\n    const baseBuf = isPassthrough\n      ? dest\n      : new Uint8ClampedArray(baseNumComps * count);\n    const numComps = this.numComps;\n\n    const scaled = new Float32Array(numComps);\n    const tinted = new Float32Array(baseNumComps);\n    let i, j;\n\n    for (i = 0; i < count; i++) {\n      for (j = 0; j < numComps; j++) {\n        scaled[j] = src[srcOffset++] * scale;\n      }\n      tintFn(scaled, 0, tinted, 0);\n      if (usesZeroToOneRange) {\n        for (j = 0; j < baseNumComps; j++) {\n          baseBuf[pos++] = tinted[j] * 255;\n        }\n      } else {\n        base.getRgbItem(tinted, 0, baseBuf, pos);\n        pos += baseNumComps;\n      }\n    }\n\n    if (!isPassthrough) {\n      base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01);\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return this.base.getOutputLength(\n      (inputLength * this.base.numComps) / this.numComps,\n      alpha01\n    );\n  }\n}\n\nclass PatternCS extends ColorSpace {\n  constructor(baseCS) {\n    super(\"Pattern\", null);\n    this.base = baseCS;\n  }\n\n  isDefaultDecode(decodeMap, bpc) {\n    unreachable(\"Should not call PatternCS.isDefaultDecode\");\n  }\n}\n\n/**\n * The default color is `new Uint8Array([0])`.\n */\nclass IndexedCS extends ColorSpace {\n  constructor(base, highVal, lookup) {\n    super(\"Indexed\", 1);\n    this.base = base;\n    this.highVal = highVal;\n\n    const length = base.numComps * highVal;\n    this.lookup = new Uint8Array(length);\n\n    if (isStream(lookup)) {\n      const bytes = lookup.getBytes(length);\n      this.lookup.set(bytes);\n    } else if (typeof lookup === \"string\") {\n      for (let i = 0; i < length; ++i) {\n        this.lookup[i] = lookup.charCodeAt(i) & 0xff;\n      }\n    } else {\n      throw new FormatError(`IndexedCS - unrecognized lookup table: ${lookup}`);\n    }\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'IndexedCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const numComps = this.base.numComps;\n    const start = src[srcOffset] * numComps;\n    this.base.getRgbBuffer(this.lookup, start, 1, dest, destOffset, 8, 0);\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'IndexedCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const base = this.base;\n    const numComps = base.numComps;\n    const outputDelta = base.getOutputLength(numComps, alpha01);\n    const lookup = this.lookup;\n\n    for (let i = 0; i < count; ++i) {\n      const lookupPos = src[srcOffset++] * numComps;\n      base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01);\n      destOffset += outputDelta;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return this.base.getOutputLength(inputLength * this.base.numComps, alpha01);\n  }\n\n  isDefaultDecode(decodeMap, bpc) {\n    if (!Array.isArray(decodeMap)) {\n      return true;\n    }\n    if (decodeMap.length !== 2) {\n      warn(\"Decode map length is not correct\");\n      return true;\n    }\n    if (!Number.isInteger(bpc) || bpc < 1) {\n      warn(\"Bits per component is not correct\");\n      return true;\n    }\n    return decodeMap[0] === 0 && decodeMap[1] === (1 << bpc) - 1;\n  }\n}\n\n/**\n * The default color is `new Float32Array([0])`.\n */\nclass DeviceGrayCS extends ColorSpace {\n  constructor() {\n    super(\"DeviceGray\", 1);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceGrayCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const c = src[srcOffset] * 255;\n    dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c;\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceGrayCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const scale = 255 / ((1 << bits) - 1);\n    let j = srcOffset,\n      q = destOffset;\n    for (let i = 0; i < count; ++i) {\n      const c = scale * src[j++];\n      dest[q++] = c;\n      dest[q++] = c;\n      dest[q++] = c;\n      q += alpha01;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return inputLength * (3 + alpha01);\n  }\n}\n\n/**\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nclass DeviceRgbCS extends ColorSpace {\n  constructor() {\n    super(\"DeviceRGB\", 3);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceRgbCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    dest[destOffset] = src[srcOffset] * 255;\n    dest[destOffset + 1] = src[srcOffset + 1] * 255;\n    dest[destOffset + 2] = src[srcOffset + 2] * 255;\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceRgbCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    if (bits === 8 && alpha01 === 0) {\n      dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset);\n      return;\n    }\n    const scale = 255 / ((1 << bits) - 1);\n    let j = srcOffset,\n      q = destOffset;\n    for (let i = 0; i < count; ++i) {\n      dest[q++] = scale * src[j++];\n      dest[q++] = scale * src[j++];\n      dest[q++] = scale * src[j++];\n      q += alpha01;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return ((inputLength * (3 + alpha01)) / 3) | 0;\n  }\n\n  isPassthrough(bits) {\n    return bits === 8;\n  }\n}\n\n/**\n * The default color is `new Float32Array([0, 0, 0, 1])`.\n */\nconst DeviceCmykCS = (function DeviceCmykCSClosure() {\n  // The coefficients below was found using numerical analysis: the method of\n  // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors,\n  // where color_value is the tabular value from the table of sampled RGB colors\n  // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding\n  // CMYK color conversion using the estimation below:\n  //   f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255\n  function convertToRgb(src, srcOffset, srcScale, dest, destOffset) {\n    const c = src[srcOffset] * srcScale;\n    const m = src[srcOffset + 1] * srcScale;\n    const y = src[srcOffset + 2] * srcScale;\n    const k = src[srcOffset + 3] * srcScale;\n\n    dest[destOffset] =\n      255 +\n      c *\n        (-4.387332384609988 * c +\n          54.48615194189176 * m +\n          18.82290502165302 * y +\n          212.25662451639585 * k +\n          -285.2331026137004) +\n      m *\n        (1.7149763477362134 * m -\n          5.6096736904047315 * y +\n          -17.873870861415444 * k -\n          5.497006427196366) +\n      y *\n        (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) +\n      k * (-21.86122147463605 * k - 189.48180835922747);\n\n    dest[destOffset + 1] =\n      255 +\n      c *\n        (8.841041422036149 * c +\n          60.118027045597366 * m +\n          6.871425592049007 * y +\n          31.159100130055922 * k +\n          -79.2970844816548) +\n      m *\n        (-15.310361306967817 * m +\n          17.575251261109482 * y +\n          131.35250912493976 * k -\n          190.9453302588951) +\n      y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) +\n      k * (-20.737325471181034 * k - 187.80453709719578);\n\n    dest[destOffset + 2] =\n      255 +\n      c *\n        (0.8842522430003296 * c +\n          8.078677503112928 * m +\n          30.89978309703729 * y -\n          0.23883238689178934 * k +\n          -14.183576799673286) +\n      m *\n        (10.49593273432072 * m +\n          63.02378494754052 * y +\n          50.606957656360734 * k -\n          112.23884253719248) +\n      y *\n        (0.03296041114873217 * y +\n          115.60384449646641 * k +\n          -193.58209356861505) +\n      k * (-22.33816807309886 * k - 180.12613974708367);\n  }\n\n  // eslint-disable-next-line no-shadow\n  class DeviceCmykCS extends ColorSpace {\n    constructor() {\n      super(\"DeviceCMYK\", 4);\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'DeviceCmykCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(src, srcOffset, 1, dest, destOffset);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'DeviceCmykCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n      for (let i = 0; i < count; i++) {\n        convertToRgb(src, srcOffset, scale, dest, destOffset);\n        srcOffset += 4;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength / 4) * (3 + alpha01)) | 0;\n    }\n  }\n  return DeviceCmykCS;\n})();\n\n/**\n * CalGrayCS: Based on \"PDF Reference, Sixth Ed\", p.245\n *\n * The default color is `new Float32Array([0])`.\n */\nconst CalGrayCS = (function CalGrayCSClosure() {\n  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {\n    // A represents a gray component of a calibrated gray space.\n    // A <---> AG in the spec\n    const A = src[srcOffset] * scale;\n    const AG = A ** cs.G;\n\n    // Computes L as per spec. ( = cs.YW * AG )\n    // Except if other than default BlackPoint values are used.\n    const L = cs.YW * AG;\n    // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4.\n    // Convert values to rgb range [0, 255].\n    const val = Math.max(295.8 * L ** 0.333333333333333333 - 40.8, 0);\n    dest[destOffset] = val;\n    dest[destOffset + 1] = val;\n    dest[destOffset + 2] = val;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class CalGrayCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, gamma) {\n      super(\"CalGray\", 1);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space CalGray\"\n        );\n      }\n      blackPoint = blackPoint || [0, 0, 0];\n      gamma = gamma || 1;\n\n      // Translate arguments to spec variables.\n      this.XW = whitePoint[0];\n      this.YW = whitePoint[1];\n      this.ZW = whitePoint[2];\n\n      this.XB = blackPoint[0];\n      this.YB = blackPoint[1];\n      this.ZB = blackPoint[2];\n\n      this.G = gamma;\n\n      // Validate variables as per spec.\n      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {\n        throw new FormatError(\n          `Invalid WhitePoint components for ${this.name}` +\n            \", no fallback available\"\n        );\n      }\n\n      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {\n        info(`Invalid BlackPoint for ${this.name}, falling back to default.`);\n        this.XB = this.YB = this.ZB = 0;\n      }\n\n      if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) {\n        warn(\n          `${this.name}, BlackPoint: XB: ${this.XB}, YB: ${this.YB}, ` +\n            `ZB: ${this.ZB}, only default values are supported.`\n        );\n      }\n\n      if (this.G < 1) {\n        info(\n          `Invalid Gamma: ${this.G} for ${this.name}, ` +\n            \"falling back to default.\"\n        );\n        this.G = 1;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalGrayCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, dest, destOffset, 1);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalGrayCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n\n      for (let i = 0; i < count; ++i) {\n        convertToRgb(this, src, srcOffset, dest, destOffset, scale);\n        srcOffset += 1;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return inputLength * (3 + alpha01);\n    }\n  }\n  return CalGrayCS;\n})();\n\n/**\n * CalRGBCS: Based on \"PDF Reference, Sixth Ed\", p.247\n *\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nconst CalRGBCS = (function CalRGBCSClosure() {\n  // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these\n  // matrices.\n  // prettier-ignore\n  const BRADFORD_SCALE_MATRIX = new Float32Array([\n    0.8951, 0.2664, -0.1614,\n    -0.7502, 1.7135, 0.0367,\n    0.0389, -0.0685, 1.0296]);\n\n  // prettier-ignore\n  const BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([\n    0.9869929, -0.1470543, 0.1599627,\n    0.4323053, 0.5183603, 0.0492912,\n    -0.0085287, 0.0400428, 0.9684867]);\n\n  // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html.\n  // prettier-ignore\n  const SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([\n    3.2404542, -1.5371385, -0.4985314,\n    -0.9692660, 1.8760108, 0.0415560,\n    0.0556434, -0.2040259, 1.0572252]);\n\n  const FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]);\n\n  const tempNormalizeMatrix = new Float32Array(3);\n  const tempConvertMatrix1 = new Float32Array(3);\n  const tempConvertMatrix2 = new Float32Array(3);\n\n  const DECODE_L_CONSTANT = ((8 + 16) / 116) ** 3 / 8.0;\n\n  function matrixProduct(a, b, result) {\n    result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2];\n    result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2];\n    result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2];\n  }\n\n  function convertToFlat(sourceWhitePoint, LMS, result) {\n    result[0] = (LMS[0] * 1) / sourceWhitePoint[0];\n    result[1] = (LMS[1] * 1) / sourceWhitePoint[1];\n    result[2] = (LMS[2] * 1) / sourceWhitePoint[2];\n  }\n\n  function convertToD65(sourceWhitePoint, LMS, result) {\n    const D65X = 0.95047;\n    const D65Y = 1;\n    const D65Z = 1.08883;\n\n    result[0] = (LMS[0] * D65X) / sourceWhitePoint[0];\n    result[1] = (LMS[1] * D65Y) / sourceWhitePoint[1];\n    result[2] = (LMS[2] * D65Z) / sourceWhitePoint[2];\n  }\n\n  function sRGBTransferFunction(color) {\n    // See http://en.wikipedia.org/wiki/SRGB.\n    if (color <= 0.0031308) {\n      return adjustToRange(0, 1, 12.92 * color);\n    }\n    // Optimization:\n    // If color is close enough to 1, skip calling the following transform\n    // since calling Math.pow is expensive. If color is larger than\n    // the threshold, the final result is larger than 254.5 since\n    // ((1 + 0.055) * 0.99554525 ** (1 / 2.4) - 0.055) * 255 ===\n    // 254.50000003134699\n    if (color >= 0.99554525) {\n      return 1;\n    }\n    return adjustToRange(0, 1, (1 + 0.055) * color ** (1 / 2.4) - 0.055);\n  }\n\n  function adjustToRange(min, max, value) {\n    return Math.max(min, Math.min(max, value));\n  }\n\n  function decodeL(L) {\n    if (L < 0) {\n      return -decodeL(-L);\n    }\n    if (L > 8.0) {\n      return ((L + 16) / 116) ** 3;\n    }\n    return L * DECODE_L_CONSTANT;\n  }\n\n  function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) {\n    // In case the blackPoint is already the default blackPoint then there is\n    // no need to do compensation.\n    if (\n      sourceBlackPoint[0] === 0 &&\n      sourceBlackPoint[1] === 0 &&\n      sourceBlackPoint[2] === 0\n    ) {\n      result[0] = XYZ_Flat[0];\n      result[1] = XYZ_Flat[1];\n      result[2] = XYZ_Flat[2];\n      return;\n    }\n\n    // For the blackPoint calculation details, please see\n    // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/\n    // AdobeBPC.pdf.\n    // The destination blackPoint is the default blackPoint [0, 0, 0].\n    const zeroDecodeL = decodeL(0);\n\n    const X_DST = zeroDecodeL;\n    const X_SRC = decodeL(sourceBlackPoint[0]);\n\n    const Y_DST = zeroDecodeL;\n    const Y_SRC = decodeL(sourceBlackPoint[1]);\n\n    const Z_DST = zeroDecodeL;\n    const Z_SRC = decodeL(sourceBlackPoint[2]);\n\n    const X_Scale = (1 - X_DST) / (1 - X_SRC);\n    const X_Offset = 1 - X_Scale;\n\n    const Y_Scale = (1 - Y_DST) / (1 - Y_SRC);\n    const Y_Offset = 1 - Y_Scale;\n\n    const Z_Scale = (1 - Z_DST) / (1 - Z_SRC);\n    const Z_Offset = 1 - Z_Scale;\n\n    result[0] = XYZ_Flat[0] * X_Scale + X_Offset;\n    result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset;\n    result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset;\n  }\n\n  function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) {\n    // In case the whitePoint is already flat then there is no need to do\n    // normalization.\n    if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) {\n      result[0] = XYZ_In[0];\n      result[1] = XYZ_In[1];\n      result[2] = XYZ_In[2];\n      return;\n    }\n\n    const LMS = result;\n    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);\n\n    const LMS_Flat = tempNormalizeMatrix;\n    convertToFlat(sourceWhitePoint, LMS, LMS_Flat);\n\n    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result);\n  }\n\n  function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) {\n    const LMS = result;\n    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);\n\n    const LMS_D65 = tempNormalizeMatrix;\n    convertToD65(sourceWhitePoint, LMS, LMS_D65);\n\n    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result);\n  }\n\n  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {\n    // A, B and C represent a red, green and blue components of a calibrated\n    // rgb space.\n    const A = adjustToRange(0, 1, src[srcOffset] * scale);\n    const B = adjustToRange(0, 1, src[srcOffset + 1] * scale);\n    const C = adjustToRange(0, 1, src[srcOffset + 2] * scale);\n\n    // A <---> AGR in the spec\n    // B <---> BGG in the spec\n    // C <---> CGB in the spec\n    const AGR = A === 1 ? 1 : A ** cs.GR;\n    const BGG = B === 1 ? 1 : B ** cs.GG;\n    const CGB = C === 1 ? 1 : C ** cs.GB;\n\n    // Computes intermediate variables L, M, N as per spec.\n    // To decode X, Y, Z values map L, M, N directly to them.\n    const X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB;\n    const Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB;\n    const Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB;\n\n    // The following calculations are based on this document:\n    // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/\n    // AdobeBPC.pdf.\n    const XYZ = tempConvertMatrix1;\n    XYZ[0] = X;\n    XYZ[1] = Y;\n    XYZ[2] = Z;\n    const XYZ_Flat = tempConvertMatrix2;\n\n    normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat);\n\n    const XYZ_Black = tempConvertMatrix1;\n    compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black);\n\n    const XYZ_D65 = tempConvertMatrix2;\n    normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65);\n\n    const SRGB = tempConvertMatrix1;\n    matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB);\n\n    // Convert the values to rgb range [0, 255].\n    dest[destOffset] = sRGBTransferFunction(SRGB[0]) * 255;\n    dest[destOffset + 1] = sRGBTransferFunction(SRGB[1]) * 255;\n    dest[destOffset + 2] = sRGBTransferFunction(SRGB[2]) * 255;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class CalRGBCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, gamma, matrix) {\n      super(\"CalRGB\", 3);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space CalRGB\"\n        );\n      }\n      blackPoint = blackPoint || new Float32Array(3);\n      gamma = gamma || new Float32Array([1, 1, 1]);\n      matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]);\n\n      // Translate arguments to spec variables.\n      const XW = whitePoint[0];\n      const YW = whitePoint[1];\n      const ZW = whitePoint[2];\n      this.whitePoint = whitePoint;\n\n      const XB = blackPoint[0];\n      const YB = blackPoint[1];\n      const ZB = blackPoint[2];\n      this.blackPoint = blackPoint;\n\n      this.GR = gamma[0];\n      this.GG = gamma[1];\n      this.GB = gamma[2];\n\n      this.MXA = matrix[0];\n      this.MYA = matrix[1];\n      this.MZA = matrix[2];\n      this.MXB = matrix[3];\n      this.MYB = matrix[4];\n      this.MZB = matrix[5];\n      this.MXC = matrix[6];\n      this.MYC = matrix[7];\n      this.MZC = matrix[8];\n\n      // Validate variables as per spec.\n      if (XW < 0 || ZW < 0 || YW !== 1) {\n        throw new FormatError(\n          `Invalid WhitePoint components for ${this.name}` +\n            \", no fallback available\"\n        );\n      }\n\n      if (XB < 0 || YB < 0 || ZB < 0) {\n        info(\n          `Invalid BlackPoint for ${this.name} [${XB}, ${YB}, ${ZB}], ` +\n            \"falling back to default.\"\n        );\n        this.blackPoint = new Float32Array(3);\n      }\n\n      if (this.GR < 0 || this.GG < 0 || this.GB < 0) {\n        info(\n          `Invalid Gamma [${this.GR}, ${this.GG}, ${this.GB}] for ` +\n            `${this.name}, falling back to default.`\n        );\n        this.GR = this.GG = this.GB = 1;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalRGBCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, dest, destOffset, 1);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalRGBCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n\n      for (let i = 0; i < count; ++i) {\n        convertToRgb(this, src, srcOffset, dest, destOffset, scale);\n        srcOffset += 3;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength * (3 + alpha01)) / 3) | 0;\n    }\n  }\n  return CalRGBCS;\n})();\n\n/**\n * LabCS: Based on \"PDF Reference, Sixth Ed\", p.250\n *\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nconst LabCS = (function LabCSClosure() {\n  // Function g(x) from spec\n  function fn_g(x) {\n    let result;\n    if (x >= 6 / 29) {\n      result = x * x * x;\n    } else {\n      result = (108 / 841) * (x - 4 / 29);\n    }\n    return result;\n  }\n\n  function decode(value, high1, low2, high2) {\n    return low2 + (value * (high2 - low2)) / high1;\n  }\n\n  // If decoding is needed maxVal should be 2^bits per component - 1.\n  function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) {\n    // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax]\n    // not the usual [0, 1]. If a command like setFillColor is used the src\n    // values will already be within the correct range. However, if we are\n    // converting an image we have to map the values to the correct range given\n    // above.\n    // Ls,as,bs <---> L*,a*,b* in the spec\n    let Ls = src[srcOffset];\n    let as = src[srcOffset + 1];\n    let bs = src[srcOffset + 2];\n    if (maxVal !== false) {\n      Ls = decode(Ls, maxVal, 0, 100);\n      as = decode(as, maxVal, cs.amin, cs.amax);\n      bs = decode(bs, maxVal, cs.bmin, cs.bmax);\n    }\n\n    // Adjust limits of 'as' and 'bs'\n    if (as > cs.amax) {\n      as = cs.amax;\n    } else if (as < cs.amin) {\n      as = cs.amin;\n    }\n    if (bs > cs.bmax) {\n      bs = cs.bmax;\n    } else if (bs < cs.bmin) {\n      bs = cs.bmin;\n    }\n\n    // Computes intermediate variables X,Y,Z as per spec\n    const M = (Ls + 16) / 116;\n    const L = M + as / 500;\n    const N = M - bs / 200;\n\n    const X = cs.XW * fn_g(L);\n    const Y = cs.YW * fn_g(M);\n    const Z = cs.ZW * fn_g(N);\n\n    let r, g, b;\n    // Using different conversions for D50 and D65 white points,\n    // per http://www.color.org/srgb.pdf\n    if (cs.ZW < 1) {\n      // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249)\n      r = X * 3.1339 + Y * -1.617 + Z * -0.4906;\n      g = X * -0.9785 + Y * 1.916 + Z * 0.0333;\n      b = X * 0.072 + Y * -0.229 + Z * 1.4057;\n    } else {\n      // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888)\n      r = X * 3.2406 + Y * -1.5372 + Z * -0.4986;\n      g = X * -0.9689 + Y * 1.8758 + Z * 0.0415;\n      b = X * 0.0557 + Y * -0.204 + Z * 1.057;\n    }\n    // Convert the color values to the [0,255] range (clamping is automatic).\n    dest[destOffset] = Math.sqrt(r) * 255;\n    dest[destOffset + 1] = Math.sqrt(g) * 255;\n    dest[destOffset + 2] = Math.sqrt(b) * 255;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class LabCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, range) {\n      super(\"Lab\", 3);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space Lab\"\n        );\n      }\n      blackPoint = blackPoint || [0, 0, 0];\n      range = range || [-100, 100, -100, 100];\n\n      // Translate args to spec variables\n      this.XW = whitePoint[0];\n      this.YW = whitePoint[1];\n      this.ZW = whitePoint[2];\n      this.amin = range[0];\n      this.amax = range[1];\n      this.bmin = range[2];\n      this.bmax = range[3];\n\n      // These are here just for completeness - the spec doesn't offer any\n      // formulas that use BlackPoint in Lab\n      this.XB = blackPoint[0];\n      this.YB = blackPoint[1];\n      this.ZB = blackPoint[2];\n\n      // Validate vars as per spec\n      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {\n        throw new FormatError(\n          \"Invalid WhitePoint components, no fallback available\"\n        );\n      }\n\n      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {\n        info(\"Invalid BlackPoint, falling back to default\");\n        this.XB = this.YB = this.ZB = 0;\n      }\n\n      if (this.amin > this.amax || this.bmin > this.bmax) {\n        info(\"Invalid Range, falling back to defaults\");\n        this.amin = -100;\n        this.amax = 100;\n        this.bmin = -100;\n        this.bmax = 100;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'LabCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, false, dest, destOffset);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'LabCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const maxVal = (1 << bits) - 1;\n      for (let i = 0; i < count; i++) {\n        convertToRgb(this, src, srcOffset, maxVal, dest, destOffset);\n        srcOffset += 3;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength * (3 + alpha01)) / 3) | 0;\n    }\n\n    isDefaultDecode(decodeMap, bpc) {\n      // XXX: Decoding is handled with the lab conversion because of the strange\n      // ranges that are used.\n      return true;\n    }\n\n    get usesZeroToOneRange() {\n      return shadow(this, \"usesZeroToOneRange\", false);\n    }\n  }\n  return LabCS;\n})();\n\nexport { ColorSpace };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, info, shadow, unreachable } from \"../shared/util.js\";\nimport { RefSetCache } from \"./primitives.js\";\n\nclass BaseLocalCache {\n  constructor(options) {\n    if (this.constructor === BaseLocalCache) {\n      unreachable(\"Cannot initialize BaseLocalCache.\");\n    }\n    if (!options || !options.onlyRefs) {\n      this._nameRefMap = new Map();\n      this._imageMap = new Map();\n    }\n    this._imageCache = new RefSetCache();\n  }\n\n  getByName(name) {\n    const ref = this._nameRefMap.get(name);\n    if (ref) {\n      return this.getByRef(ref);\n    }\n    return this._imageMap.get(name) || null;\n  }\n\n  getByRef(ref) {\n    return this._imageCache.get(ref) || null;\n  }\n\n  set(name, ref, data) {\n    unreachable(\"Abstract method `set` called.\");\n  }\n}\n\nclass LocalImageCache extends BaseLocalCache {\n  set(name, ref = null, data) {\n    if (!name) {\n      throw new Error('LocalImageCache.set - expected \"name\" argument.');\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      this._nameRefMap.set(name, ref);\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass LocalColorSpaceCache extends BaseLocalCache {\n  set(name = null, ref = null, data) {\n    if (!name && !ref) {\n      throw new Error(\n        'LocalColorSpaceCache.set - expected \"name\" and/or \"ref\" argument.'\n      );\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      if (name) {\n        // Optional when `ref` is defined.\n        this._nameRefMap.set(name, ref);\n      }\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass LocalFunctionCache extends BaseLocalCache {\n  constructor(options) {\n    super({ onlyRefs: true });\n  }\n\n  getByName(name) {\n    unreachable(\"Should not call `getByName` method.\");\n  }\n\n  set(name = null, ref, data) {\n    if (!ref) {\n      throw new Error('LocalFunctionCache.set - expected \"ref\" argument.');\n    }\n    if (this._imageCache.has(ref)) {\n      return;\n    }\n    this._imageCache.put(ref, data);\n  }\n}\n\nclass LocalGStateCache extends BaseLocalCache {\n  set(name, ref = null, data) {\n    if (!name) {\n      throw new Error('LocalGStateCache.set - expected \"name\" argument.');\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      this._nameRefMap.set(name, ref);\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass GlobalImageCache {\n  static get NUM_PAGES_THRESHOLD() {\n    return shadow(this, \"NUM_PAGES_THRESHOLD\", 2);\n  }\n\n  static get MAX_IMAGES_TO_CACHE() {\n    return shadow(this, \"MAX_IMAGES_TO_CACHE\", 10);\n  }\n\n  constructor() {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        GlobalImageCache.NUM_PAGES_THRESHOLD > 1,\n        \"GlobalImageCache - invalid NUM_PAGES_THRESHOLD constant.\"\n      );\n    }\n    this._refCache = new RefSetCache();\n    this._imageCache = new RefSetCache();\n  }\n\n  shouldCache(ref, pageIndex) {\n    const pageIndexSet = this._refCache.get(ref);\n    const numPages = pageIndexSet\n      ? pageIndexSet.size + (pageIndexSet.has(pageIndex) ? 0 : 1)\n      : 1;\n\n    if (numPages < GlobalImageCache.NUM_PAGES_THRESHOLD) {\n      return false;\n    }\n    if (\n      !this._imageCache.has(ref) &&\n      this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE\n    ) {\n      return false;\n    }\n    return true;\n  }\n\n  addPageIndex(ref, pageIndex) {\n    let pageIndexSet = this._refCache.get(ref);\n    if (!pageIndexSet) {\n      pageIndexSet = new Set();\n      this._refCache.put(ref, pageIndexSet);\n    }\n    pageIndexSet.add(pageIndex);\n  }\n\n  getData(ref, pageIndex) {\n    const pageIndexSet = this._refCache.get(ref);\n    if (!pageIndexSet) {\n      return null;\n    }\n    if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {\n      return null;\n    }\n    if (!this._imageCache.has(ref)) {\n      return null;\n    }\n    // Ensure that we keep track of all pages containing the image reference.\n    pageIndexSet.add(pageIndex);\n\n    return this._imageCache.get(ref);\n  }\n\n  setData(ref, data) {\n    if (!this._refCache.has(ref)) {\n      throw new Error(\n        'GlobalImageCache.setData - expected \"addPageIndex\" to have been called.'\n      );\n    }\n    if (this._imageCache.has(ref)) {\n      return;\n    }\n    if (this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {\n      info(\n        \"GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE.\"\n      );\n      return;\n    }\n    this._imageCache.put(ref, data);\n  }\n\n  clear(onlyData = false) {\n    if (!onlyData) {\n      this._refCache.clear();\n    }\n    this._imageCache.clear();\n  }\n}\n\nexport {\n  LocalImageCache,\n  LocalColorSpaceCache,\n  LocalFunctionCache,\n  LocalGStateCache,\n  GlobalImageCache,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationReplyType,\n  AnnotationType,\n  assert,\n  escapeString,\n  getModificationDate,\n  isString,\n  OPS,\n  stringToPDFString,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { Catalog, FileSpec, ObjectLoader } from \"./obj.js\";\nimport { Dict, isDict, isName, isRef, isStream, Name } from \"./primitives.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { getInheritableProperty } from \"./core_utils.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { StringStream } from \"./stream.js\";\nimport { writeDict } from \"./writer.js\";\n\nclass AnnotationFactory {\n  /**\n   * Create an `Annotation` object of the correct type for the given reference\n   * to an annotation dictionary. This yields a promise that is resolved when\n   * the `Annotation` object is constructed.\n   *\n   * @param {XRef} xref\n   * @param {Object} ref\n   * @param {PDFManager} pdfManager\n   * @param {Object} idFactory\n   * @returns {Promise} A promise that is resolved with an {Annotation}\n   *   instance.\n   */\n  static create(xref, ref, pdfManager, idFactory) {\n    return pdfManager.ensureCatalog(\"acroForm\").then(acroForm => {\n      return pdfManager.ensure(this, \"_create\", [\n        xref,\n        ref,\n        pdfManager,\n        idFactory,\n        acroForm,\n      ]);\n    });\n  }\n\n  /**\n   * @private\n   */\n  static _create(xref, ref, pdfManager, idFactory, acroForm) {\n    const dict = xref.fetchIfRef(ref);\n    if (!isDict(dict)) {\n      return undefined;\n    }\n\n    const id = isRef(ref) ? ref.toString() : `annot_${idFactory.createObjId()}`;\n\n    // Determine the annotation's subtype.\n    let subtype = dict.get(\"Subtype\");\n    subtype = isName(subtype) ? subtype.name : null;\n\n    // Return the right annotation object based on the subtype and field type.\n    const parameters = {\n      xref,\n      ref,\n      dict,\n      subtype,\n      id,\n      pdfManager,\n      acroForm: acroForm instanceof Dict ? acroForm : Dict.empty,\n    };\n\n    switch (subtype) {\n      case \"Link\":\n        return new LinkAnnotation(parameters);\n\n      case \"Text\":\n        return new TextAnnotation(parameters);\n\n      case \"Widget\":\n        let fieldType = getInheritableProperty({ dict, key: \"FT\" });\n        fieldType = isName(fieldType) ? fieldType.name : null;\n\n        switch (fieldType) {\n          case \"Tx\":\n            return new TextWidgetAnnotation(parameters);\n          case \"Btn\":\n            return new ButtonWidgetAnnotation(parameters);\n          case \"Ch\":\n            return new ChoiceWidgetAnnotation(parameters);\n        }\n        warn(\n          'Unimplemented widget field type \"' +\n            fieldType +\n            '\", ' +\n            \"falling back to base field type.\"\n        );\n        return new WidgetAnnotation(parameters);\n\n      case \"Popup\":\n        return new PopupAnnotation(parameters);\n\n      case \"FreeText\":\n        return new FreeTextAnnotation(parameters);\n\n      case \"Line\":\n        return new LineAnnotation(parameters);\n\n      case \"Square\":\n        return new SquareAnnotation(parameters);\n\n      case \"Circle\":\n        return new CircleAnnotation(parameters);\n\n      case \"PolyLine\":\n        return new PolylineAnnotation(parameters);\n\n      case \"Polygon\":\n        return new PolygonAnnotation(parameters);\n\n      case \"Caret\":\n        return new CaretAnnotation(parameters);\n\n      case \"Ink\":\n        return new InkAnnotation(parameters);\n\n      case \"Highlight\":\n        return new HighlightAnnotation(parameters);\n\n      case \"Underline\":\n        return new UnderlineAnnotation(parameters);\n\n      case \"Squiggly\":\n        return new SquigglyAnnotation(parameters);\n\n      case \"StrikeOut\":\n        return new StrikeOutAnnotation(parameters);\n\n      case \"Stamp\":\n        return new StampAnnotation(parameters);\n\n      case \"FileAttachment\":\n        return new FileAttachmentAnnotation(parameters);\n\n      default:\n        if (!subtype) {\n          warn(\"Annotation is missing the required /Subtype.\");\n        } else {\n          warn(\n            'Unimplemented annotation type \"' +\n              subtype +\n              '\", ' +\n              \"falling back to base annotation.\"\n          );\n        }\n        return new Annotation(parameters);\n    }\n  }\n}\n\nfunction getQuadPoints(dict, rect) {\n  if (!dict.has(\"QuadPoints\")) {\n    return null;\n  }\n\n  // The region is described as a number of quadrilaterals.\n  // Each quadrilateral must consist of eight coordinates.\n  const quadPoints = dict.getArray(\"QuadPoints\");\n  if (!Array.isArray(quadPoints) || quadPoints.length % 8 > 0) {\n    return null;\n  }\n\n  const quadPointsLists = [];\n  for (let i = 0, ii = quadPoints.length / 8; i < ii; i++) {\n    // Each series of eight numbers represents the coordinates for one\n    // quadrilateral in the order [x1, y1, x2, y2, x3, y3, x4, y4].\n    // Convert this to an array of objects with x and y coordinates.\n    quadPointsLists.push([]);\n    for (let j = i * 8, jj = i * 8 + 8; j < jj; j += 2) {\n      const x = quadPoints[j];\n      const y = quadPoints[j + 1];\n\n      // The quadpoints should be ignored if any coordinate in the array\n      // lies outside the region specified by the rectangle.\n      if (x < rect[0] || x > rect[2] || y < rect[1] || y > rect[3]) {\n        return null;\n      }\n      quadPointsLists[i].push({ x, y });\n    }\n  }\n  return quadPointsLists;\n}\n\nfunction getTransformMatrix(rect, bbox, matrix) {\n  // 12.5.5: Algorithm: Appearance streams\n  const [minX, minY, maxX, maxY] = Util.getAxialAlignedBoundingBox(\n    bbox,\n    matrix\n  );\n  if (minX === maxX || minY === maxY) {\n    // From real-life file, bbox was [0, 0, 0, 0]. In this case,\n    // just apply the transform for rect\n    return [1, 0, 0, 1, rect[0], rect[1]];\n  }\n\n  const xRatio = (rect[2] - rect[0]) / (maxX - minX);\n  const yRatio = (rect[3] - rect[1]) / (maxY - minY);\n  return [\n    xRatio,\n    0,\n    0,\n    yRatio,\n    rect[0] - minX * xRatio,\n    rect[1] - minY * yRatio,\n  ];\n}\n\nclass Annotation {\n  constructor(params) {\n    const dict = params.dict;\n\n    this.setContents(dict.get(\"Contents\"));\n    this.setModificationDate(dict.get(\"M\"));\n    this.setFlags(dict.get(\"F\"));\n    this.setRectangle(dict.getArray(\"Rect\"));\n    this.setColor(dict.getArray(\"C\"));\n    this.setBorderStyle(dict);\n    this.setAppearance(dict);\n\n    // Expose public properties using a data object.\n    this.data = {\n      annotationFlags: this.flags,\n      borderStyle: this.borderStyle,\n      color: this.color,\n      contents: this.contents,\n      hasAppearance: !!this.appearance,\n      id: params.id,\n      modificationDate: this.modificationDate,\n      rect: this.rectangle,\n      subtype: params.subtype,\n    };\n  }\n\n  /**\n   * @private\n   */\n  _hasFlag(flags, flag) {\n    return !!(flags & flag);\n  }\n\n  /**\n   * @private\n   */\n  _isViewable(flags) {\n    return (\n      !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&\n      !this._hasFlag(flags, AnnotationFlag.HIDDEN) &&\n      !this._hasFlag(flags, AnnotationFlag.NOVIEW)\n    );\n  }\n\n  /**\n   * @private\n   */\n  _isPrintable(flags) {\n    return (\n      this._hasFlag(flags, AnnotationFlag.PRINT) &&\n      !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&\n      !this._hasFlag(flags, AnnotationFlag.HIDDEN)\n    );\n  }\n\n  /**\n   * @type {boolean}\n   */\n  get viewable() {\n    if (this.flags === 0) {\n      return true;\n    }\n    return this._isViewable(this.flags);\n  }\n\n  /**\n   * @type {boolean}\n   */\n  get printable() {\n    if (this.flags === 0) {\n      return false;\n    }\n    return this._isPrintable(this.flags);\n  }\n\n  /**\n   * Set the contents.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {string} contents - Text to display for the annotation or, if the\n   *                            type of annotation does not display text, a\n   *                            description of the annotation's contents\n   */\n  setContents(contents) {\n    this.contents = stringToPDFString(contents || \"\");\n  }\n\n  /**\n   * Set the modification date.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {string} modificationDate - PDF date string that indicates when the\n   *                                    annotation was last modified\n   */\n  setModificationDate(modificationDate) {\n    this.modificationDate = isString(modificationDate)\n      ? modificationDate\n      : null;\n  }\n\n  /**\n   * Set the flags.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {number} flags - Unsigned 32-bit integer specifying annotation\n   *                         characteristics\n   * @see {@link shared/util.js}\n   */\n  setFlags(flags) {\n    this.flags = Number.isInteger(flags) && flags > 0 ? flags : 0;\n  }\n\n  /**\n   * Check if a provided flag is set.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {number} flag - Hexadecimal representation for an annotation\n   *                        characteristic\n   * @returns {boolean}\n   * @see {@link shared/util.js}\n   */\n  hasFlag(flag) {\n    return this._hasFlag(this.flags, flag);\n  }\n\n  /**\n   * Set the rectangle.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Array} rectangle - The rectangle array with exactly four entries\n   */\n  setRectangle(rectangle) {\n    if (Array.isArray(rectangle) && rectangle.length === 4) {\n      this.rectangle = Util.normalizeRect(rectangle);\n    } else {\n      this.rectangle = [0, 0, 0, 0];\n    }\n  }\n\n  /**\n   * Set the color and take care of color space conversion.\n   * The default value is black, in RGB color space.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Array} color - The color array containing either 0\n   *                        (transparent), 1 (grayscale), 3 (RGB) or\n   *                        4 (CMYK) elements\n   */\n  setColor(color) {\n    const rgbColor = new Uint8ClampedArray(3);\n    if (!Array.isArray(color)) {\n      this.color = rgbColor;\n      return;\n    }\n\n    switch (color.length) {\n      case 0: // Transparent, which we indicate with a null value\n        this.color = null;\n        break;\n\n      case 1: // Convert grayscale to RGB\n        ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      case 3: // Convert RGB percentages to RGB\n        ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      case 4: // Convert CMYK to RGB\n        ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      default:\n        this.color = rgbColor;\n        break;\n    }\n  }\n\n  /**\n   * Set the border style (as AnnotationBorderStyle object).\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Dict} borderStyle - The border style dictionary\n   */\n  setBorderStyle(borderStyle) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(this.rectangle, \"setRectangle must have been called previously.\");\n    }\n\n    this.borderStyle = new AnnotationBorderStyle();\n    if (!isDict(borderStyle)) {\n      return;\n    }\n    if (borderStyle.has(\"BS\")) {\n      const dict = borderStyle.get(\"BS\");\n      const dictType = dict.get(\"Type\");\n\n      if (!dictType || isName(dictType, \"Border\")) {\n        this.borderStyle.setWidth(dict.get(\"W\"), this.rectangle);\n        this.borderStyle.setStyle(dict.get(\"S\"));\n        this.borderStyle.setDashArray(dict.getArray(\"D\"));\n      }\n    } else if (borderStyle.has(\"Border\")) {\n      const array = borderStyle.getArray(\"Border\");\n      if (Array.isArray(array) && array.length >= 3) {\n        this.borderStyle.setHorizontalCornerRadius(array[0]);\n        this.borderStyle.setVerticalCornerRadius(array[1]);\n        this.borderStyle.setWidth(array[2], this.rectangle);\n\n        if (array.length === 4) {\n          // Dash array available\n          this.borderStyle.setDashArray(array[3]);\n        }\n      }\n    } else {\n      // There are no border entries in the dictionary. According to the\n      // specification, we should draw a solid border of width 1 in that\n      // case, but Adobe Reader did not implement that part of the\n      // specification and instead draws no border at all, so we do the same.\n      // See also https://github.com/mozilla/pdf.js/issues/6179.\n      this.borderStyle.setWidth(0);\n    }\n  }\n\n  /**\n   * Set the (normal) appearance.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Dict} dict - The annotation's data dictionary\n   */\n  setAppearance(dict) {\n    this.appearance = null;\n\n    const appearanceStates = dict.get(\"AP\");\n    if (!isDict(appearanceStates)) {\n      return;\n    }\n\n    // In case the normal appearance is a stream, then it is used directly.\n    const normalAppearanceState = appearanceStates.get(\"N\");\n    if (isStream(normalAppearanceState)) {\n      this.appearance = normalAppearanceState;\n      return;\n    }\n    if (!isDict(normalAppearanceState)) {\n      return;\n    }\n\n    // In case the normal appearance is a dictionary, the `AS` entry provides\n    // the key of the stream in this dictionary.\n    const as = dict.get(\"AS\");\n    if (!isName(as) || !normalAppearanceState.has(as.name)) {\n      return;\n    }\n    this.appearance = normalAppearanceState.get(as.name);\n  }\n\n  loadResources(keys) {\n    return this.appearance.dict.getAsync(\"Resources\").then(resources => {\n      if (!resources) {\n        return undefined;\n      }\n\n      const objectLoader = new ObjectLoader(resources, keys, resources.xref);\n      return objectLoader.load().then(function () {\n        return resources;\n      });\n    });\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    if (!this.appearance) {\n      return Promise.resolve(new OperatorList());\n    }\n\n    const appearance = this.appearance;\n    const data = this.data;\n    const appearanceDict = appearance.dict;\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"ColorSpace\",\n      \"Pattern\",\n      \"Shading\",\n      \"XObject\",\n      \"Font\",\n    ]);\n    const bbox = appearanceDict.getArray(\"BBox\") || [0, 0, 1, 1];\n    const matrix = appearanceDict.getArray(\"Matrix\") || [1, 0, 0, 1, 0, 0];\n    const transform = getTransformMatrix(data.rect, bbox, matrix);\n\n    return resourcesPromise.then(resources => {\n      const opList = new OperatorList();\n      opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]);\n      return evaluator\n        .getOperatorList({\n          stream: appearance,\n          task,\n          resources,\n          operatorList: opList,\n        })\n        .then(() => {\n          opList.addOp(OPS.endAnnotation, []);\n          appearance.reset();\n          return opList;\n        });\n    });\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    return null;\n  }\n}\n\n/**\n * Contains all data regarding an annotation's border style.\n */\nclass AnnotationBorderStyle {\n  constructor() {\n    this.width = 1;\n    this.style = AnnotationBorderStyleType.SOLID;\n    this.dashArray = [3];\n    this.horizontalCornerRadius = 0;\n    this.verticalCornerRadius = 0;\n  }\n\n  /**\n   * Set the width.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} width - The width.\n   * @param {Array} rect - The annotation `Rect` entry.\n   */\n  setWidth(width, rect = [0, 0, 0, 0]) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        Array.isArray(rect) && rect.length === 4,\n        \"A valid `rect` parameter must be provided.\"\n      );\n    }\n\n    // Some corrupt PDF generators may provide the width as a `Name`,\n    // rather than as a number (fixes issue 10385).\n    if (isName(width)) {\n      this.width = 0; // This is consistent with the behaviour in Adobe Reader.\n      return;\n    }\n    if (Number.isInteger(width)) {\n      if (width > 0) {\n        const maxWidth = (rect[2] - rect[0]) / 2;\n        const maxHeight = (rect[3] - rect[1]) / 2;\n\n        // Ignore large `width`s, since they lead to the Annotation overflowing\n        // the size set by the `Rect` entry thus causing the `annotationLayer`\n        // to render it over the surrounding document (fixes bug1552113.pdf).\n        if (\n          maxWidth > 0 &&\n          maxHeight > 0 &&\n          (width > maxWidth || width > maxHeight)\n        ) {\n          warn(`AnnotationBorderStyle.setWidth - ignoring width: ${width}`);\n          width = 1;\n        }\n      }\n      this.width = width;\n    }\n  }\n\n  /**\n   * Set the style.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {Name} style - The annotation style.\n   * @see {@link shared/util.js}\n   */\n  setStyle(style) {\n    if (!isName(style)) {\n      return;\n    }\n    switch (style.name) {\n      case \"S\":\n        this.style = AnnotationBorderStyleType.SOLID;\n        break;\n\n      case \"D\":\n        this.style = AnnotationBorderStyleType.DASHED;\n        break;\n\n      case \"B\":\n        this.style = AnnotationBorderStyleType.BEVELED;\n        break;\n\n      case \"I\":\n        this.style = AnnotationBorderStyleType.INSET;\n        break;\n\n      case \"U\":\n        this.style = AnnotationBorderStyleType.UNDERLINE;\n        break;\n\n      default:\n        break;\n    }\n  }\n\n  /**\n   * Set the dash array.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {Array} dashArray - The dash array with at least one element\n   */\n  setDashArray(dashArray) {\n    // We validate the dash array, but we do not use it because CSS does not\n    // allow us to change spacing of dashes. For more information, visit\n    // http://www.w3.org/TR/css3-background/#the-border-style.\n    if (Array.isArray(dashArray) && dashArray.length > 0) {\n      // According to the PDF specification: the elements in `dashArray`\n      // shall be numbers that are nonnegative and not all equal to zero.\n      let isValid = true;\n      let allZeros = true;\n      for (const element of dashArray) {\n        const validNumber = +element >= 0;\n        if (!validNumber) {\n          isValid = false;\n          break;\n        } else if (element > 0) {\n          allZeros = false;\n        }\n      }\n      if (isValid && !allZeros) {\n        this.dashArray = dashArray;\n      } else {\n        this.width = 0; // Adobe behavior when the array is invalid.\n      }\n    } else if (dashArray) {\n      this.width = 0; // Adobe behavior when the array is invalid.\n    }\n  }\n\n  /**\n   * Set the horizontal corner radius (from a Border dictionary).\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} radius - The horizontal corner radius.\n   */\n  setHorizontalCornerRadius(radius) {\n    if (Number.isInteger(radius)) {\n      this.horizontalCornerRadius = radius;\n    }\n  }\n\n  /**\n   * Set the vertical corner radius (from a Border dictionary).\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} radius - The vertical corner radius.\n   */\n  setVerticalCornerRadius(radius) {\n    if (Number.isInteger(radius)) {\n      this.verticalCornerRadius = radius;\n    }\n  }\n}\n\nclass MarkupAnnotation extends Annotation {\n  constructor(parameters) {\n    super(parameters);\n\n    const dict = parameters.dict;\n\n    if (dict.has(\"IRT\")) {\n      const rawIRT = dict.getRaw(\"IRT\");\n      this.data.inReplyTo = isRef(rawIRT) ? rawIRT.toString() : null;\n\n      const rt = dict.get(\"RT\");\n      this.data.replyType = isName(rt) ? rt.name : AnnotationReplyType.REPLY;\n    }\n\n    if (this.data.replyType === AnnotationReplyType.GROUP) {\n      // Subordinate annotations in a group should inherit\n      // the group attributes from the primary annotation.\n      const parent = dict.get(\"IRT\");\n\n      this.data.title = stringToPDFString(parent.get(\"T\") || \"\");\n\n      this.setContents(parent.get(\"Contents\"));\n      this.data.contents = this.contents;\n\n      if (!parent.has(\"CreationDate\")) {\n        this.data.creationDate = null;\n      } else {\n        this.setCreationDate(parent.get(\"CreationDate\"));\n        this.data.creationDate = this.creationDate;\n      }\n\n      if (!parent.has(\"M\")) {\n        this.data.modificationDate = null;\n      } else {\n        this.setModificationDate(parent.get(\"M\"));\n        this.data.modificationDate = this.modificationDate;\n      }\n\n      this.data.hasPopup = parent.has(\"Popup\");\n\n      if (!parent.has(\"C\")) {\n        // Fall back to the default background color.\n        this.data.color = null;\n      } else {\n        this.setColor(parent.getArray(\"C\"));\n        this.data.color = this.color;\n      }\n    } else {\n      this.data.title = stringToPDFString(dict.get(\"T\") || \"\");\n\n      this.setCreationDate(dict.get(\"CreationDate\"));\n      this.data.creationDate = this.creationDate;\n\n      this.data.hasPopup = dict.has(\"Popup\");\n\n      if (!dict.has(\"C\")) {\n        // Fall back to the default background color.\n        this.data.color = null;\n      }\n    }\n  }\n\n  /**\n   * Set the creation date.\n   *\n   * @public\n   * @memberof MarkupAnnotation\n   * @param {string} creationDate - PDF date string that indicates when the\n   *                                annotation was originally created\n   */\n  setCreationDate(creationDate) {\n    this.creationDate = isString(creationDate) ? creationDate : null;\n  }\n}\n\nclass WidgetAnnotation extends Annotation {\n  constructor(params) {\n    super(params);\n\n    const dict = params.dict;\n    const data = this.data;\n    this.ref = params.ref;\n\n    data.annotationType = AnnotationType.WIDGET;\n    data.fieldName = this._constructFieldName(dict);\n\n    const fieldValue = getInheritableProperty({\n      dict,\n      key: \"V\",\n      getArray: true,\n    });\n    data.fieldValue = this._decodeFormValue(fieldValue);\n\n    data.alternativeText = stringToPDFString(dict.get(\"TU\") || \"\");\n    data.defaultAppearance =\n      getInheritableProperty({ dict, key: \"DA\" }) ||\n      params.acroForm.get(\"DA\") ||\n      \"\";\n    const fieldType = getInheritableProperty({ dict, key: \"FT\" });\n    data.fieldType = isName(fieldType) ? fieldType.name : null;\n    this.fieldResources =\n      getInheritableProperty({ dict, key: \"DR\" }) ||\n      params.acroForm.get(\"DR\") ||\n      Dict.empty;\n\n    data.fieldFlags = getInheritableProperty({ dict, key: \"Ff\" });\n    if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {\n      data.fieldFlags = 0;\n    }\n\n    data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY);\n\n    // Hide signatures because we cannot validate them, and unset the fieldValue\n    // since it's (most likely) a `Dict` which is non-serializable and will thus\n    // cause errors when sending annotations to the main-thread (issue 10347).\n    if (data.fieldType === \"Sig\") {\n      data.fieldValue = null;\n      this.setFlags(AnnotationFlag.HIDDEN);\n    }\n  }\n\n  /**\n   * Construct the (fully qualified) field name from the (partial) field\n   * names of the field and its ancestors.\n   *\n   * @private\n   * @memberof WidgetAnnotation\n   * @param {Dict} dict - Complete widget annotation dictionary\n   * @returns {string}\n   */\n  _constructFieldName(dict) {\n    // Both the `Parent` and `T` fields are optional. While at least one of\n    // them should be provided, bad PDF generators may fail to do so.\n    if (!dict.has(\"T\") && !dict.has(\"Parent\")) {\n      warn(\"Unknown field name, falling back to empty field name.\");\n      return \"\";\n    }\n\n    // If no parent exists, the partial and fully qualified names are equal.\n    if (!dict.has(\"Parent\")) {\n      return stringToPDFString(dict.get(\"T\"));\n    }\n\n    // Form the fully qualified field name by appending the partial name to\n    // the parent's fully qualified name, separated by a period.\n    const fieldName = [];\n    if (dict.has(\"T\")) {\n      fieldName.unshift(stringToPDFString(dict.get(\"T\")));\n    }\n\n    let loopDict = dict;\n    while (loopDict.has(\"Parent\")) {\n      loopDict = loopDict.get(\"Parent\");\n      if (!isDict(loopDict)) {\n        // Even though it is not allowed according to the PDF specification,\n        // bad PDF generators may provide a `Parent` entry that is not a\n        // dictionary, but `null` for example (issue 8143).\n        break;\n      }\n\n      if (loopDict.has(\"T\")) {\n        fieldName.unshift(stringToPDFString(loopDict.get(\"T\")));\n      }\n    }\n    return fieldName.join(\".\");\n  }\n\n  /**\n   * Decode the given form value.\n   *\n   * @private\n   * @memberof WidgetAnnotation\n   * @param {Array<string>|Name|string} formValue - The (possibly encoded)\n   *   form value.\n   * @returns {Array<string>|string|null}\n   */\n  _decodeFormValue(formValue) {\n    if (Array.isArray(formValue)) {\n      return formValue\n        .filter(item => isString(item))\n        .map(item => stringToPDFString(item));\n    } else if (isName(formValue)) {\n      return stringToPDFString(formValue.name);\n    } else if (isString(formValue)) {\n      return stringToPDFString(formValue);\n    }\n    return null;\n  }\n\n  /**\n   * Check if a provided field flag is set.\n   *\n   * @public\n   * @memberof WidgetAnnotation\n   * @param {number} flag - Hexadecimal representation for an annotation\n   *                        field characteristic\n   * @returns {boolean}\n   * @see {@link shared/util.js}\n   */\n  hasFieldFlag(flag) {\n    return !!(this.data.fieldFlags & flag);\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    // Do not render form elements on the canvas when interactive forms are\n    // enabled. The display layer is responsible for rendering them instead.\n    if (renderForms) {\n      return Promise.resolve(new OperatorList());\n    }\n\n    if (!this._hasText) {\n      return super.getOperatorList(\n        evaluator,\n        task,\n        renderForms,\n        annotationStorage\n      );\n    }\n\n    return this._getAppearance(evaluator, task, annotationStorage).then(\n      content => {\n        if (this.appearance && content === null) {\n          return super.getOperatorList(\n            evaluator,\n            task,\n            renderForms,\n            annotationStorage\n          );\n        }\n\n        const operatorList = new OperatorList();\n\n        // Even if there is an appearance stream, ignore it. This is the\n        // behaviour used by Adobe Reader.\n        if (!this.data.defaultAppearance || content === null) {\n          return operatorList;\n        }\n\n        const matrix = [1, 0, 0, 1, 0, 0];\n        const bbox = [\n          0,\n          0,\n          this.data.rect[2] - this.data.rect[0],\n          this.data.rect[3] - this.data.rect[1],\n        ];\n\n        const transform = getTransformMatrix(this.data.rect, bbox, matrix);\n        operatorList.addOp(OPS.beginAnnotation, [\n          this.data.rect,\n          transform,\n          matrix,\n        ]);\n\n        const stream = new StringStream(content);\n        return evaluator\n          .getOperatorList({\n            stream,\n            task,\n            resources: this.fieldResources,\n            operatorList,\n          })\n          .then(function () {\n            operatorList.addOp(OPS.endAnnotation, []);\n            return operatorList;\n          });\n      }\n    );\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    if (this.data.fieldValue === annotationStorage[this.data.id]) {\n      return null;\n    }\n\n    let appearance = await this._getAppearance(\n      evaluator,\n      task,\n      annotationStorage\n    );\n    if (appearance === null) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const bbox = [\n      0,\n      0,\n      this.data.rect[2] - this.data.rect[0],\n      this.data.rect[3] - this.data.rect[1],\n    ];\n\n    const newRef = evaluator.xref.getNewRef();\n    const AP = new Dict(evaluator.xref);\n    AP.set(\"N\", newRef);\n\n    const value = annotationStorage[this.data.id];\n    const encrypt = evaluator.xref.encrypt;\n    let originalTransform = null;\n    let newTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n      newTransform = encrypt.createCipherTransform(newRef.num, newRef.gen);\n      appearance = newTransform.encryptString(appearance);\n    }\n\n    dict.set(\"V\", value);\n    dict.set(\"AP\", AP);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    const appearanceDict = new Dict(evaluator.xref);\n    appearanceDict.set(\"Length\", appearance.length);\n    appearanceDict.set(\"Subtype\", Name.get(\"Form\"));\n    appearanceDict.set(\"Resources\", this.fieldResources);\n    appearanceDict.set(\"BBox\", bbox);\n\n    const bufferOriginal = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, bufferOriginal, originalTransform);\n    bufferOriginal.push(\"\\nendobj\\n\");\n\n    const bufferNew = [`${newRef.num} ${newRef.gen} obj\\n`];\n    writeDict(appearanceDict, bufferNew, newTransform);\n    bufferNew.push(\" stream\\n\");\n    bufferNew.push(appearance);\n    bufferNew.push(\"\\nendstream\\nendobj\\n\");\n\n    return [\n      // data for the original object\n      // V field changed + reference for new AP\n      { ref: this.ref, data: bufferOriginal.join(\"\") },\n      // data for the new AP\n      { ref: newRef, data: bufferNew.join(\"\") },\n    ];\n  }\n\n  async _getAppearance(evaluator, task, annotationStorage) {\n    const isPassword = this.hasFieldFlag(AnnotationFieldFlag.PASSWORD);\n    if (!annotationStorage || isPassword) {\n      return null;\n    }\n    const value = annotationStorage[this.data.id];\n    if (value === \"\") {\n      return \"\";\n    }\n\n    const defaultPadding = 2;\n    const hPadding = defaultPadding;\n    const totalHeight = this.data.rect[3] - this.data.rect[1];\n    const totalWidth = this.data.rect[2] - this.data.rect[0];\n\n    const fontInfo = await this._getFontData(evaluator, task);\n    const [font, fontName] = fontInfo;\n    let fontSize = fontInfo[2];\n\n    fontSize = this._computeFontSize(font, fontName, fontSize, totalHeight);\n\n    let descent = font.descent;\n    if (isNaN(descent)) {\n      descent = 0;\n    }\n\n    const vPadding = defaultPadding + Math.abs(descent) * fontSize;\n    const defaultAppearance = this.data.defaultAppearance;\n    const alignment = this.data.textAlignment;\n\n    if (this.data.comb) {\n      return this._getCombAppearance(\n        defaultAppearance,\n        value,\n        totalWidth,\n        hPadding,\n        vPadding\n      );\n    }\n\n    if (this.data.multiLine) {\n      return this._getMultilineAppearance(\n        defaultAppearance,\n        value,\n        font,\n        fontSize,\n        totalWidth,\n        totalHeight,\n        alignment,\n        hPadding,\n        vPadding\n      );\n    }\n\n    if (alignment === 0 || alignment > 2) {\n      // Left alignment: nothing to do\n      return (\n        \"/Tx BMC q BT \" +\n        defaultAppearance +\n        ` 1 0 0 1 ${hPadding} ${vPadding} Tm (${escapeString(value)}) Tj` +\n        \" ET Q EMC\"\n      );\n    }\n\n    const renderedText = this._renderText(\n      value,\n      font,\n      fontSize,\n      totalWidth,\n      alignment,\n      hPadding,\n      vPadding\n    );\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 0 0 Tm ${renderedText}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  async _getFontData(evaluator, task) {\n    const operatorList = new OperatorList();\n    const initialState = {\n      fontSize: 0,\n      font: null,\n      fontName: null,\n      clone() {\n        return this;\n      },\n    };\n\n    await evaluator.getOperatorList({\n      stream: new StringStream(this.data.defaultAppearance),\n      task,\n      resources: this.fieldResources,\n      operatorList,\n      initialState,\n    });\n\n    return [initialState.font, initialState.fontName, initialState.fontSize];\n  }\n\n  _computeFontSize(font, fontName, fontSize, height) {\n    if (fontSize === null || fontSize === 0) {\n      const em = font.charsToGlyphs(\"M\", true)[0].width / 1000;\n      // According to https://en.wikipedia.org/wiki/Em_(typography)\n      // an average cap height should be 70% of 1em\n      const capHeight = 0.7 * em;\n      // 1.5 * capHeight * fontSize seems to be a good value for lineHeight\n      fontSize = Math.max(1, Math.floor(height / (1.5 * capHeight)));\n\n      let fontRegex = new RegExp(`/${fontName}\\\\s+[0-9\\.]+\\\\s+Tf`);\n      if (this.data.defaultAppearance.search(fontRegex) === -1) {\n        // The font size is missing\n        fontRegex = new RegExp(`/${fontName}\\\\s+Tf`);\n      }\n      this.data.defaultAppearance = this.data.defaultAppearance.replace(\n        fontRegex,\n        `/${fontName} ${fontSize} Tf`\n      );\n    }\n    return fontSize;\n  }\n\n  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {\n    // We need to get the width of the text in order to align it correctly\n    const glyphs = font.charsToGlyphs(text);\n    const scale = fontSize / 1000;\n    let width = 0;\n    for (const glyph of glyphs) {\n      width += glyph.width * scale;\n    }\n\n    let shift;\n    if (alignment === 1) {\n      // Center\n      shift = (totalWidth - width) / 2;\n    } else if (alignment === 2) {\n      // Right\n      shift = totalWidth - width - hPadding;\n    } else {\n      shift = hPadding;\n    }\n    shift = shift.toFixed(2);\n    vPadding = vPadding.toFixed(2);\n\n    return `${shift} ${vPadding} Td (${escapeString(text)}) Tj`;\n  }\n}\n\nclass TextWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    this._hasText = true;\n\n    const dict = params.dict;\n\n    // The field value is always a string.\n    if (!isString(this.data.fieldValue)) {\n      this.data.fieldValue = \"\";\n    }\n\n    // Determine the alignment of text in the field.\n    let alignment = getInheritableProperty({ dict, key: \"Q\" });\n    if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {\n      alignment = null;\n    }\n    this.data.textAlignment = alignment;\n\n    // Determine the maximum length of text in the field.\n    let maximumLength = getInheritableProperty({ dict, key: \"MaxLen\" });\n    if (!Number.isInteger(maximumLength) || maximumLength < 0) {\n      maximumLength = null;\n    }\n    this.data.maxLen = maximumLength;\n\n    // Process field flags for the display layer.\n    this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE);\n    this.data.comb =\n      this.hasFieldFlag(AnnotationFieldFlag.COMB) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) &&\n      this.data.maxLen !== null;\n  }\n\n  _getCombAppearance(defaultAppearance, text, width, hPadding, vPadding) {\n    const combWidth = (width / this.data.maxLen).toFixed(2);\n    const buf = [];\n    for (const character of text) {\n      buf.push(`(${escapeString(character)}) Tj`);\n    }\n\n    const renderedComb = buf.join(` ${combWidth} 0 Td `);\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 ${hPadding} ${vPadding} Tm ${renderedComb}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  _getMultilineAppearance(\n    defaultAppearance,\n    text,\n    font,\n    fontSize,\n    width,\n    height,\n    alignment,\n    hPadding,\n    vPadding\n  ) {\n    const lines = text.split(/\\r\\n|\\r|\\n/);\n    const buf = [];\n    const totalWidth = width - 2 * hPadding;\n    for (const line of lines) {\n      const chunks = this._splitLine(line, font, fontSize, totalWidth);\n      for (const chunk of chunks) {\n        const padding = buf.length === 0 ? hPadding : 0;\n        buf.push(\n          this._renderText(\n            chunk,\n            font,\n            fontSize,\n            width,\n            alignment,\n            padding,\n            -fontSize // <0 because a line is below the previous one\n          )\n        );\n      }\n    }\n\n    const renderedText = buf.join(\"\\n\");\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 0 ${height} Tm ${renderedText}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  _splitLine(line, font, fontSize, width) {\n    if (line.length <= 1) {\n      // Nothing to split\n      return [line];\n    }\n\n    const scale = fontSize / 1000;\n    const whitespace = font.charsToGlyphs(\" \", true)[0].width * scale;\n    const chunks = [];\n\n    let lastSpacePos = -1,\n      startChunk = 0,\n      currentWidth = 0;\n\n    for (let i = 0, ii = line.length; i < ii; i++) {\n      const character = line.charAt(i);\n      if (character === \" \") {\n        if (currentWidth + whitespace > width) {\n          // We can break here\n          chunks.push(line.substring(startChunk, i));\n          startChunk = i;\n          currentWidth = whitespace;\n          lastSpacePos = -1;\n        } else {\n          currentWidth += whitespace;\n          lastSpacePos = i;\n        }\n      } else {\n        const charWidth = font.charsToGlyphs(character, false)[0].width * scale;\n        if (currentWidth + charWidth > width) {\n          // We must break to the last white position (if available)\n          if (lastSpacePos !== -1) {\n            chunks.push(line.substring(startChunk, lastSpacePos + 1));\n            startChunk = i = lastSpacePos + 1;\n            lastSpacePos = -1;\n            currentWidth = 0;\n          } else {\n            // Just break in the middle of the word\n            chunks.push(line.substring(startChunk, i));\n            startChunk = i;\n            currentWidth = charWidth;\n          }\n        } else {\n          currentWidth += charWidth;\n        }\n      }\n    }\n\n    if (startChunk < line.length) {\n      chunks.push(line.substring(startChunk, line.length));\n    }\n\n    return chunks;\n  }\n}\n\nclass ButtonWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    this.checkedAppearance = null;\n    this.uncheckedAppearance = null;\n\n    this.data.checkBox =\n      !this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n    this.data.radioButton =\n      this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n    this.data.pushButton = this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n\n    if (this.data.checkBox) {\n      this._processCheckBox(params);\n    } else if (this.data.radioButton) {\n      this._processRadioButton(params);\n    } else if (this.data.pushButton) {\n      this._processPushButton(params);\n    } else {\n      warn(\"Invalid field flags for button widget annotation\");\n    }\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    if (this.data.pushButton) {\n      return super.getOperatorList(\n        evaluator,\n        task,\n        false, // we use normalAppearance to render the button\n        annotationStorage\n      );\n    }\n\n    if (annotationStorage) {\n      const value = annotationStorage[this.data.id] || false;\n      let appearance;\n      if (value) {\n        appearance = this.checkedAppearance;\n      } else {\n        appearance = this.uncheckedAppearance;\n      }\n\n      if (appearance) {\n        const savedAppearance = this.appearance;\n        this.appearance = appearance;\n        const operatorList = super.getOperatorList(\n          evaluator,\n          task,\n          renderForms,\n          annotationStorage\n        );\n        this.appearance = savedAppearance;\n        return operatorList;\n      }\n\n      // No appearance\n      return Promise.resolve(new OperatorList());\n    }\n    return super.getOperatorList(\n      evaluator,\n      task,\n      renderForms,\n      annotationStorage\n    );\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    if (this.data.checkBox) {\n      return this._saveCheckbox(evaluator, task, annotationStorage);\n    }\n\n    if (this.data.radioButton) {\n      return this._saveRadioButton(evaluator, task, annotationStorage);\n    }\n\n    return super.save(evaluator, task, annotationStorage);\n  }\n\n  async _saveCheckbox(evaluator, task, annotationStorage) {\n    const defaultValue = this.data.fieldValue && this.data.fieldValue !== \"Off\";\n    const value = annotationStorage[this.data.id];\n\n    if (defaultValue === value) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const name = Name.get(value ? this.data.exportValue : \"Off\");\n    dict.set(\"V\", name);\n    dict.set(\"AS\", name);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    const encrypt = evaluator.xref.encrypt;\n    let originalTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n    }\n\n    const buffer = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, buffer, originalTransform);\n    buffer.push(\"\\nendobj\\n\");\n\n    return [{ ref: this.ref, data: buffer.join(\"\") }];\n  }\n\n  async _saveRadioButton(evaluator, task, annotationStorage) {\n    const defaultValue = this.data.fieldValue === this.data.buttonValue;\n    const value = annotationStorage[this.data.id];\n\n    if (defaultValue === value) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const name = Name.get(value ? this.data.buttonValue : \"Off\");\n    let parentBuffer = null;\n    const encrypt = evaluator.xref.encrypt;\n\n    if (value) {\n      if (isRef(this.parent)) {\n        const parent = evaluator.xref.fetch(this.parent);\n        let parentTransform = null;\n        if (encrypt) {\n          parentTransform = encrypt.createCipherTransform(\n            this.parent.num,\n            this.parent.gen\n          );\n        }\n        parent.set(\"V\", name);\n        parentBuffer = [`${this.parent.num} ${this.parent.gen} obj\\n`];\n        writeDict(parent, parentBuffer, parentTransform);\n        parentBuffer.push(\"\\nendobj\\n\");\n      } else if (isDict(this.parent)) {\n        this.parent.set(\"V\", name);\n      }\n    }\n\n    dict.set(\"AS\", name);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    let originalTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n    }\n\n    const buffer = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, buffer, originalTransform);\n    buffer.push(\"\\nendobj\\n\");\n\n    const newRefs = [{ ref: this.ref, data: buffer.join(\"\") }];\n    if (parentBuffer !== null) {\n      newRefs.push({ ref: this.parent, data: parentBuffer.join(\"\") });\n    }\n\n    return newRefs;\n  }\n\n  _processCheckBox(params) {\n    const customAppearance = params.dict.get(\"AP\");\n    if (!isDict(customAppearance)) {\n      return;\n    }\n\n    const normalAppearance = customAppearance.get(\"N\");\n    if (!isDict(normalAppearance)) {\n      return;\n    }\n\n    const exportValues = normalAppearance.getKeys();\n    if (!exportValues.includes(\"Off\")) {\n      // The /Off appearance is optional.\n      exportValues.push(\"Off\");\n    }\n    if (exportValues.length !== 2) {\n      return;\n    }\n\n    this.data.exportValue =\n      exportValues[0] === \"Off\" ? exportValues[1] : exportValues[0];\n\n    this.checkedAppearance = normalAppearance.get(this.data.exportValue);\n    this.uncheckedAppearance = normalAppearance.get(\"Off\") || null;\n  }\n\n  _processRadioButton(params) {\n    this.data.fieldValue = this.data.buttonValue = null;\n\n    // The parent field's `V` entry holds a `Name` object with the appearance\n    // state of whichever child field is currently in the \"on\" state.\n    const fieldParent = params.dict.get(\"Parent\");\n    if (isDict(fieldParent) && fieldParent.has(\"V\")) {\n      const fieldParentValue = fieldParent.get(\"V\");\n      if (isName(fieldParentValue)) {\n        this.parent = params.dict.getRaw(\"Parent\");\n        this.data.fieldValue = this._decodeFormValue(fieldParentValue);\n      }\n    }\n\n    // The button's value corresponds to its appearance state.\n    const appearanceStates = params.dict.get(\"AP\");\n    if (!isDict(appearanceStates)) {\n      return;\n    }\n    const normalAppearance = appearanceStates.get(\"N\");\n    if (!isDict(normalAppearance)) {\n      return;\n    }\n    for (const key of normalAppearance.getKeys()) {\n      if (key !== \"Off\") {\n        this.data.buttonValue = key;\n        break;\n      }\n    }\n\n    this.checkedAppearance = normalAppearance.get(this.data.buttonValue);\n    this.uncheckedAppearance = normalAppearance.get(\"Off\") || null;\n  }\n\n  _processPushButton(params) {\n    if (!params.dict.has(\"A\")) {\n      warn(\"Push buttons without action dictionaries are not supported\");\n      return;\n    }\n\n    Catalog.parseDestDictionary({\n      destDict: params.dict,\n      resultObj: this.data,\n      docBaseUrl: params.pdfManager.docBaseUrl,\n    });\n  }\n}\n\nclass ChoiceWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    // Determine the options. The options array may consist of strings or\n    // arrays. If the array consists of arrays, then the first element of\n    // each array is the export value and the second element of each array is\n    // the display value. If the array consists of strings, then these\n    // represent both the export and display value. In this case, we convert\n    // it to an array of arrays as well for convenience in the display layer.\n    // Note that the specification does not state that the `Opt` field is\n    // inheritable, but in practice PDF generators do make annotations\n    // inherit the options from a parent annotation (issue 8094).\n    this.data.options = [];\n\n    const options = getInheritableProperty({ dict: params.dict, key: \"Opt\" });\n    if (Array.isArray(options)) {\n      const xref = params.xref;\n      for (let i = 0, ii = options.length; i < ii; i++) {\n        const option = xref.fetchIfRef(options[i]);\n        const isOptionArray = Array.isArray(option);\n\n        this.data.options[i] = {\n          exportValue: this._decodeFormValue(\n            isOptionArray ? xref.fetchIfRef(option[0]) : option\n          ),\n          displayValue: this._decodeFormValue(\n            isOptionArray ? xref.fetchIfRef(option[1]) : option\n          ),\n        };\n      }\n    }\n\n    // The field value can be `null` if no item is selected, a string if one\n    // item is selected or an array of strings if multiple items are selected.\n    // For consistency in the API and convenience in the display layer, we\n    // always make the field value an array with zero, one or multiple items.\n    if (isString(this.data.fieldValue)) {\n      this.data.fieldValue = [this.data.fieldValue];\n    } else if (!this.data.fieldValue) {\n      this.data.fieldValue = [];\n    }\n\n    // Process field flags for the display layer.\n    this.data.combo = this.hasFieldFlag(AnnotationFieldFlag.COMBO);\n    this.data.multiSelect = this.hasFieldFlag(AnnotationFieldFlag.MULTISELECT);\n    this._hasText = true;\n  }\n}\n\nclass TextAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    const DEFAULT_ICON_SIZE = 22; // px\n\n    super(parameters);\n\n    const dict = parameters.dict;\n    this.data.annotationType = AnnotationType.TEXT;\n\n    if (this.data.hasAppearance) {\n      this.data.name = \"NoIcon\";\n    } else {\n      this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;\n      this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;\n      this.data.name = dict.has(\"Name\") ? dict.get(\"Name\").name : \"Note\";\n    }\n\n    if (dict.has(\"State\")) {\n      this.data.state = dict.get(\"State\") || null;\n      this.data.stateModel = dict.get(\"StateModel\") || null;\n    } else {\n      this.data.state = null;\n      this.data.stateModel = null;\n    }\n  }\n}\n\nclass LinkAnnotation extends Annotation {\n  constructor(params) {\n    super(params);\n\n    this.data.annotationType = AnnotationType.LINK;\n\n    const quadPoints = getQuadPoints(params.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n\n    Catalog.parseDestDictionary({\n      destDict: params.dict,\n      resultObj: this.data,\n      docBaseUrl: params.pdfManager.docBaseUrl,\n    });\n  }\n}\n\nclass PopupAnnotation extends Annotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POPUP;\n\n    let parentItem = parameters.dict.get(\"Parent\");\n    if (!parentItem) {\n      warn(\"Popup annotation has a missing or invalid parent annotation.\");\n      return;\n    }\n\n    const parentSubtype = parentItem.get(\"Subtype\");\n    this.data.parentType = isName(parentSubtype) ? parentSubtype.name : null;\n    const rawParent = parameters.dict.getRaw(\"Parent\");\n    this.data.parentId = isRef(rawParent) ? rawParent.toString() : null;\n\n    const rt = parentItem.get(\"RT\");\n    if (isName(rt, AnnotationReplyType.GROUP)) {\n      // Subordinate annotations in a group should inherit\n      // the group attributes from the primary annotation.\n      parentItem = parentItem.get(\"IRT\");\n    }\n\n    if (!parentItem.has(\"M\")) {\n      this.data.modificationDate = null;\n    } else {\n      this.setModificationDate(parentItem.get(\"M\"));\n      this.data.modificationDate = this.modificationDate;\n    }\n\n    if (!parentItem.has(\"C\")) {\n      // Fall back to the default background color.\n      this.data.color = null;\n    } else {\n      this.setColor(parentItem.getArray(\"C\"));\n      this.data.color = this.color;\n    }\n\n    // If the Popup annotation is not viewable, but the parent annotation is,\n    // that is most likely a bug. Fallback to inherit the flags from the parent\n    // annotation (this is consistent with the behaviour in Adobe Reader).\n    if (!this.viewable) {\n      const parentFlags = parentItem.get(\"F\");\n      if (this._isViewable(parentFlags)) {\n        this.setFlags(parentFlags);\n      }\n    }\n\n    this.data.title = stringToPDFString(parentItem.get(\"T\") || \"\");\n    this.data.contents = stringToPDFString(parentItem.get(\"Contents\") || \"\");\n  }\n}\n\nclass FreeTextAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.FREETEXT;\n  }\n}\n\nclass LineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.LINE;\n\n    this.data.lineCoordinates = Util.normalizeRect(\n      parameters.dict.getArray(\"L\")\n    );\n  }\n}\n\nclass SquareAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.SQUARE;\n  }\n}\n\nclass CircleAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.CIRCLE;\n  }\n}\n\nclass PolylineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POLYLINE;\n\n    // The vertices array is an array of numbers representing the alternating\n    // horizontal and vertical coordinates, respectively, of each vertex.\n    // Convert this to an array of objects with x and y coordinates.\n    const rawVertices = parameters.dict.getArray(\"Vertices\");\n    this.data.vertices = [];\n    for (let i = 0, ii = rawVertices.length; i < ii; i += 2) {\n      this.data.vertices.push({\n        x: rawVertices[i],\n        y: rawVertices[i + 1],\n      });\n    }\n  }\n}\n\nclass PolygonAnnotation extends PolylineAnnotation {\n  constructor(parameters) {\n    // Polygons are specific forms of polylines, so reuse their logic.\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POLYGON;\n  }\n}\n\nclass CaretAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.CARET;\n  }\n}\n\nclass InkAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.INK;\n\n    const xref = parameters.xref;\n    const originalInkLists = parameters.dict.getArray(\"InkList\");\n    this.data.inkLists = [];\n    for (let i = 0, ii = originalInkLists.length; i < ii; ++i) {\n      // The raw ink lists array contains arrays of numbers representing\n      // the alternating horizontal and vertical coordinates, respectively,\n      // of each vertex. Convert this to an array of objects with x and y\n      // coordinates.\n      this.data.inkLists.push([]);\n      for (let j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {\n        this.data.inkLists[i].push({\n          x: xref.fetchIfRef(originalInkLists[i][j]),\n          y: xref.fetchIfRef(originalInkLists[i][j + 1]),\n        });\n      }\n    }\n  }\n}\n\nclass HighlightAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.HIGHLIGHT;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass UnderlineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.UNDERLINE;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass SquigglyAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.SQUIGGLY;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass StrikeOutAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.STRIKEOUT;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass StampAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.STAMP;\n  }\n}\n\nclass FileAttachmentAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    const file = new FileSpec(parameters.dict.get(\"FS\"), parameters.xref);\n\n    this.data.annotationType = AnnotationType.FILEATTACHMENT;\n    this.data.file = file.serializable;\n  }\n}\n\nexport {\n  Annotation,\n  AnnotationBorderStyle,\n  AnnotationFactory,\n  MarkupAnnotation,\n  getQuadPoints,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, ImageKind, OPS, warn } from \"../shared/util.js\";\n\nvar QueueOptimizer = (function QueueOptimizerClosure() {\n  function addState(parentState, pattern, checkFn, iterateFn, processFn) {\n    var state = parentState;\n    for (var i = 0, ii = pattern.length - 1; i < ii; i++) {\n      var item = pattern[i];\n      state = state[item] || (state[item] = []);\n    }\n    state[pattern[pattern.length - 1]] = {\n      checkFn,\n      iterateFn,\n      processFn,\n    };\n  }\n\n  function handlePaintSolidColorImageMask(\n    iFirstSave,\n    count,\n    fnArray,\n    argsArray\n  ) {\n    // Handles special case of mainly LaTeX documents which use image masks to\n    // draw lines with the current fill style.\n    // 'count' groups of (save, transform, paintImageMaskXObject, restore)+\n    // have been found at iFirstSave.\n    var iFirstPIMXO = iFirstSave + 2;\n    for (var i = 0; i < count; i++) {\n      var arg = argsArray[iFirstPIMXO + 4 * i];\n      var imageMask = arg.length === 1 && arg[0];\n      if (\n        imageMask &&\n        imageMask.width === 1 &&\n        imageMask.height === 1 &&\n        (!imageMask.data.length ||\n          (imageMask.data.length === 1 && imageMask.data[0] === 0))\n      ) {\n        fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask;\n        continue;\n      }\n      break;\n    }\n    return count - i;\n  }\n\n  var InitialState = [];\n\n  // This replaces (save, transform, paintInlineImageXObject, restore)+\n  // sequences with one |paintInlineImageXObjectGroup| operation.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintInlineImageXObject, OPS.restore],\n    null,\n    function iterateInlineImageGroup(context, i) {\n      var fnArray = context.fnArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          return fnArray[i] === OPS.transform;\n        case 2:\n          return fnArray[i] === OPS.paintInlineImageXObject;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateInlineImageGroup - invalid pos: ${pos}`);\n    },\n    function foundInlineImageGroup(context, i) {\n      var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10;\n      var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200;\n      var MAX_WIDTH = 1000;\n      var IMAGE_PADDING = 1;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIIXO = curr - 1;\n\n      var count = Math.min(\n        Math.floor((i - iFirstSave) / 4),\n        MAX_IMAGES_IN_INLINE_IMAGES_BLOCK\n      );\n      if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      // assuming that heights of those image is too small (~1 pixel)\n      // packing as much as possible by lines\n      var maxX = 0;\n      var map = [],\n        maxLineHeight = 0;\n      var currentX = IMAGE_PADDING,\n        currentY = IMAGE_PADDING;\n      var q;\n      for (q = 0; q < count; q++) {\n        var transform = argsArray[iFirstTransform + (q << 2)];\n        var img = argsArray[iFirstPIIXO + (q << 2)][0];\n        if (currentX + img.width > MAX_WIDTH) {\n          // starting new line\n          maxX = Math.max(maxX, currentX);\n          currentY += maxLineHeight + 2 * IMAGE_PADDING;\n          currentX = 0;\n          maxLineHeight = 0;\n        }\n        map.push({\n          transform,\n          x: currentX,\n          y: currentY,\n          w: img.width,\n          h: img.height,\n        });\n        currentX += img.width + 2 * IMAGE_PADDING;\n        maxLineHeight = Math.max(maxLineHeight, img.height);\n      }\n      var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING;\n      var imgHeight = currentY + maxLineHeight + IMAGE_PADDING;\n      var imgData = new Uint8ClampedArray(imgWidth * imgHeight * 4);\n      var imgRowSize = imgWidth << 2;\n      for (q = 0; q < count; q++) {\n        var data = argsArray[iFirstPIIXO + (q << 2)][0].data;\n        // Copy image by lines and extends pixels into padding.\n        var rowSize = map[q].w << 2;\n        var dataOffset = 0;\n        var offset = (map[q].x + map[q].y * imgWidth) << 2;\n        imgData.set(data.subarray(0, rowSize), offset - imgRowSize);\n        for (var k = 0, kk = map[q].h; k < kk; k++) {\n          imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset);\n          dataOffset += rowSize;\n          offset += imgRowSize;\n        }\n        imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset);\n        while (offset >= 0) {\n          data[offset - 4] = data[offset];\n          data[offset - 3] = data[offset + 1];\n          data[offset - 2] = data[offset + 2];\n          data[offset - 1] = data[offset + 3];\n          data[offset + rowSize] = data[offset + rowSize - 4];\n          data[offset + rowSize + 1] = data[offset + rowSize - 3];\n          data[offset + rowSize + 2] = data[offset + rowSize - 2];\n          data[offset + rowSize + 3] = data[offset + rowSize - 1];\n          offset -= imgRowSize;\n        }\n      }\n\n      // Replace queue items.\n      fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup);\n      argsArray.splice(iFirstSave, count * 4, [\n        {\n          width: imgWidth,\n          height: imgHeight,\n          kind: ImageKind.RGBA_32BPP,\n          data: imgData,\n        },\n        map,\n      ]);\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (save, transform, paintImageMaskXObject, restore)+\n  // sequences with one |paintImageMaskXObjectGroup| or one\n  // |paintImageMaskXObjectRepeat| operation.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintImageMaskXObject, OPS.restore],\n    null,\n    function iterateImageMaskGroup(context, i) {\n      var fnArray = context.fnArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          return fnArray[i] === OPS.transform;\n        case 2:\n          return fnArray[i] === OPS.paintImageMaskXObject;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateImageMaskGroup - invalid pos: ${pos}`);\n    },\n    function foundImageMaskGroup(context, i) {\n      var MIN_IMAGES_IN_MASKS_BLOCK = 10;\n      var MAX_IMAGES_IN_MASKS_BLOCK = 100;\n      var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIMXO = curr - 1;\n\n      // At this point, i is the index of the first op past the last valid\n      // quartet.\n      var count = Math.floor((i - iFirstSave) / 4);\n      count = handlePaintSolidColorImageMask(\n        iFirstSave,\n        count,\n        fnArray,\n        argsArray\n      );\n      if (count < MIN_IMAGES_IN_MASKS_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      var q;\n      var isSameImage = false;\n      var iTransform, transformArgs;\n      var firstPIMXOArg0 = argsArray[iFirstPIMXO][0];\n      const firstTransformArg0 = argsArray[iFirstTransform][0],\n        firstTransformArg1 = argsArray[iFirstTransform][1],\n        firstTransformArg2 = argsArray[iFirstTransform][2],\n        firstTransformArg3 = argsArray[iFirstTransform][3];\n\n      if (firstTransformArg1 === firstTransformArg2) {\n        isSameImage = true;\n        iTransform = iFirstTransform + 4;\n        var iPIMXO = iFirstPIMXO + 4;\n        for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) {\n          transformArgs = argsArray[iTransform];\n          if (\n            argsArray[iPIMXO][0] !== firstPIMXOArg0 ||\n            transformArgs[0] !== firstTransformArg0 ||\n            transformArgs[1] !== firstTransformArg1 ||\n            transformArgs[2] !== firstTransformArg2 ||\n            transformArgs[3] !== firstTransformArg3\n          ) {\n            if (q < MIN_IMAGES_IN_MASKS_BLOCK) {\n              isSameImage = false;\n            } else {\n              count = q;\n            }\n            break; // different image or transform\n          }\n        }\n      }\n\n      if (isSameImage) {\n        count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK);\n        var positions = new Float32Array(count * 2);\n        iTransform = iFirstTransform;\n        for (q = 0; q < count; q++, iTransform += 4) {\n          transformArgs = argsArray[iTransform];\n          positions[q << 1] = transformArgs[4];\n          positions[(q << 1) + 1] = transformArgs[5];\n        }\n\n        // Replace queue items.\n        fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat);\n        argsArray.splice(iFirstSave, count * 4, [\n          firstPIMXOArg0,\n          firstTransformArg0,\n          firstTransformArg1,\n          firstTransformArg2,\n          firstTransformArg3,\n          positions,\n        ]);\n      } else {\n        count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK);\n        var images = [];\n        for (q = 0; q < count; q++) {\n          transformArgs = argsArray[iFirstTransform + (q << 2)];\n          var maskParams = argsArray[iFirstPIMXO + (q << 2)][0];\n          images.push({\n            data: maskParams.data,\n            width: maskParams.width,\n            height: maskParams.height,\n            transform: transformArgs,\n          });\n        }\n\n        // Replace queue items.\n        fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup);\n        argsArray.splice(iFirstSave, count * 4, [images]);\n      }\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (save, transform, paintImageXObject, restore)+ sequences\n  // with one paintImageXObjectRepeat operation, if the |transform| and\n  // |paintImageXObjectRepeat| ops are appropriate.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintImageXObject, OPS.restore],\n    function (context) {\n      var argsArray = context.argsArray;\n      var iFirstTransform = context.iCurr - 2;\n      return (\n        argsArray[iFirstTransform][1] === 0 &&\n        argsArray[iFirstTransform][2] === 0\n      );\n    },\n    function iterateImageGroup(context, i) {\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          if (fnArray[i] !== OPS.transform) {\n            return false;\n          }\n          var iFirstTransform = context.iCurr - 2;\n          var firstTransformArg0 = argsArray[iFirstTransform][0];\n          var firstTransformArg3 = argsArray[iFirstTransform][3];\n          if (\n            argsArray[i][0] !== firstTransformArg0 ||\n            argsArray[i][1] !== 0 ||\n            argsArray[i][2] !== 0 ||\n            argsArray[i][3] !== firstTransformArg3\n          ) {\n            return false; // transforms don't match\n          }\n          return true;\n        case 2:\n          if (fnArray[i] !== OPS.paintImageXObject) {\n            return false;\n          }\n          var iFirstPIXO = context.iCurr - 1;\n          var firstPIXOArg0 = argsArray[iFirstPIXO][0];\n          if (argsArray[i][0] !== firstPIXOArg0) {\n            return false; // images don't match\n          }\n          return true;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateImageGroup - invalid pos: ${pos}`);\n    },\n    function (context, i) {\n      var MIN_IMAGES_IN_BLOCK = 3;\n      var MAX_IMAGES_IN_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIXO = curr - 1;\n      var firstPIXOArg0 = argsArray[iFirstPIXO][0];\n      var firstTransformArg0 = argsArray[iFirstTransform][0];\n      var firstTransformArg3 = argsArray[iFirstTransform][3];\n\n      // At this point, i is the index of the first op past the last valid\n      // quartet.\n      var count = Math.min(\n        Math.floor((i - iFirstSave) / 4),\n        MAX_IMAGES_IN_BLOCK\n      );\n      if (count < MIN_IMAGES_IN_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      // Extract the (x,y) positions from all of the matching transforms.\n      var positions = new Float32Array(count * 2);\n      var iTransform = iFirstTransform;\n      for (var q = 0; q < count; q++, iTransform += 4) {\n        var transformArgs = argsArray[iTransform];\n        positions[q << 1] = transformArgs[4];\n        positions[(q << 1) + 1] = transformArgs[5];\n      }\n\n      // Replace queue items.\n      var args = [\n        firstPIXOArg0,\n        firstTransformArg0,\n        firstTransformArg3,\n        positions,\n      ];\n      fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat);\n      argsArray.splice(iFirstSave, count * 4, args);\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (beginText, setFont, setTextMatrix, showText, endText)+\n  // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+\n  // sequences, if the font for each one is the same.\n  addState(\n    InitialState,\n    [OPS.beginText, OPS.setFont, OPS.setTextMatrix, OPS.showText, OPS.endText],\n    null,\n    function iterateShowTextGroup(context, i) {\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var iFirstSave = context.iCurr - 4;\n      var pos = (i - iFirstSave) % 5;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.beginText;\n        case 1:\n          return fnArray[i] === OPS.setFont;\n        case 2:\n          return fnArray[i] === OPS.setTextMatrix;\n        case 3:\n          if (fnArray[i] !== OPS.showText) {\n            return false;\n          }\n          var iFirstSetFont = context.iCurr - 3;\n          var firstSetFontArg0 = argsArray[iFirstSetFont][0];\n          var firstSetFontArg1 = argsArray[iFirstSetFont][1];\n          if (\n            argsArray[i][0] !== firstSetFontArg0 ||\n            argsArray[i][1] !== firstSetFontArg1\n          ) {\n            return false; // fonts don't match\n          }\n          return true;\n        case 4:\n          return fnArray[i] === OPS.endText;\n      }\n      throw new Error(`iterateShowTextGroup - invalid pos: ${pos}`);\n    },\n    function (context, i) {\n      var MIN_CHARS_IN_BLOCK = 3;\n      var MAX_CHARS_IN_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstBeginText = curr - 4;\n      var iFirstSetFont = curr - 3;\n      var iFirstSetTextMatrix = curr - 2;\n      var iFirstShowText = curr - 1;\n      var iFirstEndText = curr;\n      var firstSetFontArg0 = argsArray[iFirstSetFont][0];\n      var firstSetFontArg1 = argsArray[iFirstSetFont][1];\n\n      // At this point, i is the index of the first op past the last valid\n      // quintet.\n      var count = Math.min(\n        Math.floor((i - iFirstBeginText) / 5),\n        MAX_CHARS_IN_BLOCK\n      );\n      if (count < MIN_CHARS_IN_BLOCK) {\n        return i - ((i - iFirstBeginText) % 5);\n      }\n\n      // If the preceding quintet is (<something>, setFont, setTextMatrix,\n      // showText, endText), include that as well. (E.g. <something> might be\n      // |dependency|.)\n      var iFirst = iFirstBeginText;\n      if (\n        iFirstBeginText >= 4 &&\n        fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] &&\n        fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] &&\n        fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] &&\n        fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] &&\n        argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 &&\n        argsArray[iFirstBeginText - 4][1] === firstSetFontArg1\n      ) {\n        count++;\n        iFirst -= 5;\n      }\n\n      // Remove (endText, beginText, setFont) trios.\n      var iEndText = iFirst + 4;\n      for (var q = 1; q < count; q++) {\n        fnArray.splice(iEndText, 3);\n        argsArray.splice(iEndText, 3);\n        iEndText += 2;\n      }\n\n      return iEndText + 1;\n    }\n  );\n\n  // eslint-disable-next-line no-shadow\n  function QueueOptimizer(queue) {\n    this.queue = queue;\n    this.state = null;\n    this.context = {\n      iCurr: 0,\n      fnArray: queue.fnArray,\n      argsArray: queue.argsArray,\n    };\n    this.match = null;\n    this.lastProcessed = 0;\n  }\n\n  QueueOptimizer.prototype = {\n    _optimize() {\n      // Process new fnArray item(s) chunk.\n      const fnArray = this.queue.fnArray;\n      let i = this.lastProcessed,\n        ii = fnArray.length;\n      let state = this.state;\n      let match = this.match;\n      if (!state && !match && i + 1 === ii && !InitialState[fnArray[i]]) {\n        // Micro-optimization for the common case: last item is not\n        // optimizable, just skipping it.\n        this.lastProcessed = ii;\n        return;\n      }\n\n      const context = this.context;\n      while (i < ii) {\n        if (match) {\n          // Already find a block of potentially optimizable items, iterating...\n          const iterate = (0, match.iterateFn)(context, i);\n          if (iterate) {\n            i++;\n            continue;\n          }\n          // Found last items for the block, processing...\n          i = (0, match.processFn)(context, i + 1);\n          ii = fnArray.length;\n          match = null;\n          state = null;\n          if (i >= ii) {\n            break;\n          }\n        }\n        // Find the potentially optimizable items.\n        state = (state || InitialState)[fnArray[i]];\n        if (!state || Array.isArray(state)) {\n          i++;\n          continue;\n        }\n        // Found a start of the block based on addState rules.\n        context.iCurr = i;\n        i++;\n        if (state.checkFn && !(0, state.checkFn)(context)) {\n          // Check failed, continue search...\n          state = null;\n          continue;\n        }\n        match = state;\n        state = null;\n      }\n      this.state = state;\n      this.match = match;\n      this.lastProcessed = i;\n    },\n\n    push(fn, args) {\n      this.queue.fnArray.push(fn);\n      this.queue.argsArray.push(args);\n      this._optimize();\n    },\n\n    flush() {\n      while (this.match) {\n        const length = this.queue.fnArray.length;\n        this.lastProcessed = (0, this.match.processFn)(this.context, length);\n        this.match = null;\n        this.state = null;\n        // Repeat optimization until all chunks are exhausted.\n        this._optimize();\n      }\n    },\n\n    reset() {\n      this.state = null;\n      this.match = null;\n      this.lastProcessed = 0;\n    },\n  };\n  return QueueOptimizer;\n})();\n\nvar NullOptimizer = (function NullOptimizerClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullOptimizer(queue) {\n    this.queue = queue;\n  }\n\n  NullOptimizer.prototype = {\n    push(fn, args) {\n      this.queue.fnArray.push(fn);\n      this.queue.argsArray.push(args);\n    },\n\n    flush() {},\n\n    reset() {},\n  };\n\n  return NullOptimizer;\n})();\n\nvar OperatorList = (function OperatorListClosure() {\n  var CHUNK_SIZE = 1000;\n  var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; // close to chunk size\n\n  // eslint-disable-next-line no-shadow\n  function OperatorList(intent, streamSink) {\n    this._streamSink = streamSink;\n    this.fnArray = [];\n    this.argsArray = [];\n    if (streamSink && intent !== \"oplist\") {\n      this.optimizer = new QueueOptimizer(this);\n    } else {\n      this.optimizer = new NullOptimizer(this);\n    }\n    this.dependencies = new Set();\n    this._totalLength = 0;\n    this.weight = 0;\n    this._resolved = streamSink ? null : Promise.resolve();\n  }\n\n  OperatorList.prototype = {\n    get length() {\n      return this.argsArray.length;\n    },\n\n    get ready() {\n      return this._resolved || this._streamSink.ready;\n    },\n\n    /**\n     * @type {number} The total length of the entire operator list, since\n     *                `this.length === 0` after flushing.\n     */\n    get totalLength() {\n      return this._totalLength + this.length;\n    },\n\n    addOp(fn, args) {\n      this.optimizer.push(fn, args);\n      this.weight++;\n      if (this._streamSink) {\n        if (this.weight >= CHUNK_SIZE) {\n          this.flush();\n        } else if (\n          this.weight >= CHUNK_SIZE_ABOUT &&\n          (fn === OPS.restore || fn === OPS.endText)\n        ) {\n          // heuristic to flush on boundary of restore or endText\n          this.flush();\n        }\n      }\n    },\n\n    addDependency(dependency) {\n      if (this.dependencies.has(dependency)) {\n        return;\n      }\n      this.dependencies.add(dependency);\n      this.addOp(OPS.dependency, [dependency]);\n    },\n\n    addDependencies(dependencies) {\n      for (const dependency of dependencies) {\n        this.addDependency(dependency);\n      }\n    },\n\n    addOpList(opList) {\n      if (!(opList instanceof OperatorList)) {\n        warn('addOpList - ignoring invalid \"opList\" parameter.');\n        return;\n      }\n      for (const dependency of opList.dependencies) {\n        this.dependencies.add(dependency);\n      }\n      for (var i = 0, ii = opList.length; i < ii; i++) {\n        this.addOp(opList.fnArray[i], opList.argsArray[i]);\n      }\n    },\n\n    getIR() {\n      return {\n        fnArray: this.fnArray,\n        argsArray: this.argsArray,\n        length: this.length,\n      };\n    },\n\n    get _transfers() {\n      const transfers = [];\n      const { fnArray, argsArray, length } = this;\n      for (let i = 0; i < length; i++) {\n        switch (fnArray[i]) {\n          case OPS.paintInlineImageXObject:\n          case OPS.paintInlineImageXObjectGroup:\n          case OPS.paintImageMaskXObject:\n            const arg = argsArray[i][0]; // first param in imgData\n\n            if (\n              typeof PDFJSDev === \"undefined\" ||\n              PDFJSDev.test(\"!PRODUCTION || TESTING\")\n            ) {\n              assert(\n                arg.data instanceof Uint8ClampedArray,\n                'OperatorList._transfers: Unsupported \"arg.data\" type.'\n              );\n            }\n            if (!arg.cached) {\n              transfers.push(arg.data.buffer);\n            }\n            break;\n        }\n      }\n      return transfers;\n    },\n\n    flush(lastChunk = false) {\n      this.optimizer.flush();\n      const length = this.length;\n      this._totalLength += length;\n\n      this._streamSink.enqueue(\n        {\n          fnArray: this.fnArray,\n          argsArray: this.argsArray,\n          lastChunk,\n          length,\n        },\n        1,\n        this._transfers\n      );\n\n      this.dependencies.clear();\n      this.fnArray.length = 0;\n      this.argsArray.length = 0;\n      this.weight = 0;\n      this.optimizer.reset();\n    },\n  };\n\n  return OperatorList;\n})();\n\nexport { OperatorList };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { bytesToString, escapeString } from \"../shared/util.js\";\nimport { Dict, isDict, isName, isRef, isStream, Name } from \"./primitives.js\";\nimport { calculateMD5 } from \"./crypto.js\";\n\nfunction writeDict(dict, buffer, transform) {\n  buffer.push(\"<<\");\n  for (const key of dict.getKeys()) {\n    buffer.push(` /${key} `);\n    writeValue(dict.getRaw(key), buffer, transform);\n  }\n  buffer.push(\">>\");\n}\n\nfunction writeStream(stream, buffer, transform) {\n  writeDict(stream.dict, buffer, transform);\n  buffer.push(\" stream\\n\");\n  let string = bytesToString(stream.getBytes());\n  if (transform !== null) {\n    string = transform.encryptString(string);\n  }\n  buffer.push(string);\n  buffer.push(\"\\nendstream\\n\");\n}\n\nfunction writeArray(array, buffer, transform) {\n  buffer.push(\"[\");\n  let first = true;\n  for (const val of array) {\n    if (!first) {\n      buffer.push(\" \");\n    } else {\n      first = false;\n    }\n    writeValue(val, buffer, transform);\n  }\n  buffer.push(\"]\");\n}\n\nfunction numberToString(value) {\n  if (Number.isInteger(value)) {\n    return value.toString();\n  }\n\n  const roundedValue = Math.round(value * 100);\n  if (roundedValue % 100 === 0) {\n    return (roundedValue / 100).toString();\n  }\n\n  if (roundedValue % 10 === 0) {\n    return value.toFixed(1);\n  }\n\n  return value.toFixed(2);\n}\n\nfunction writeValue(value, buffer, transform) {\n  if (isName(value)) {\n    buffer.push(`/${value.name}`);\n  } else if (isRef(value)) {\n    buffer.push(`${value.num} ${value.gen} R`);\n  } else if (Array.isArray(value)) {\n    writeArray(value, buffer, transform);\n  } else if (typeof value === \"string\") {\n    if (transform !== null) {\n      value = transform.encryptString(value);\n    }\n    buffer.push(`(${escapeString(value)})`);\n  } else if (typeof value === \"number\") {\n    buffer.push(numberToString(value));\n  } else if (isDict(value)) {\n    writeDict(value, buffer, transform);\n  } else if (isStream(value)) {\n    writeStream(value, buffer, transform);\n  }\n}\n\nfunction writeInt(number, size, offset, buffer) {\n  for (let i = size + offset - 1; i > offset - 1; i--) {\n    buffer[i] = number & 0xff;\n    number >>= 8;\n  }\n  return offset + size;\n}\n\nfunction writeString(string, offset, buffer) {\n  for (let i = 0, len = string.length; i < len; i++) {\n    buffer[offset + i] = string.charCodeAt(i) & 0xff;\n  }\n}\n\nfunction computeMD5(filesize, xrefInfo) {\n  const time = Math.floor(Date.now() / 1000);\n  const filename = xrefInfo.filename || \"\";\n  const md5Buffer = [time.toString(), filename, filesize.toString()];\n  let md5BufferLen = md5Buffer.reduce((a, str) => a + str.length, 0);\n  for (const value of Object.values(xrefInfo.info)) {\n    md5Buffer.push(value);\n    md5BufferLen += value.length;\n  }\n\n  const array = new Uint8Array(md5BufferLen);\n  let offset = 0;\n  for (const str of md5Buffer) {\n    writeString(str, offset, array);\n    offset += str.length;\n  }\n  return bytesToString(calculateMD5(array));\n}\n\nfunction incrementalUpdate(originalData, xrefInfo, newRefs) {\n  const newXref = new Dict(null);\n  const refForXrefTable = xrefInfo.newRef;\n\n  let buffer, baseOffset;\n  const lastByte = originalData[originalData.length - 1];\n  if (lastByte === /* \\n */ 0x0a || lastByte === /* \\r */ 0x0d) {\n    buffer = [];\n    baseOffset = originalData.length;\n  } else {\n    // Avoid to concatenate %%EOF with an object definition\n    buffer = [\"\\n\"];\n    baseOffset = originalData.length + 1;\n  }\n\n  newXref.set(\"Size\", refForXrefTable.num + 1);\n  newXref.set(\"Prev\", xrefInfo.startXRef);\n  newXref.set(\"Type\", Name.get(\"XRef\"));\n\n  if (xrefInfo.rootRef !== null) {\n    newXref.set(\"Root\", xrefInfo.rootRef);\n  }\n  if (xrefInfo.infoRef !== null) {\n    newXref.set(\"Info\", xrefInfo.infoRef);\n  }\n  if (xrefInfo.encrypt !== null) {\n    newXref.set(\"Encrypt\", xrefInfo.encrypt);\n  }\n\n  // Add a ref for the new xref and sort them\n  newRefs.push({ ref: refForXrefTable, data: \"\" });\n  newRefs = newRefs.sort((a, b) => {\n    // compare the refs\n    return a.ref.num - b.ref.num;\n  });\n\n  const xrefTableData = [[0, 1, 0xffff]];\n  const indexes = [0, 1];\n  let maxOffset = 0;\n  for (const { ref, data } of newRefs) {\n    maxOffset = Math.max(maxOffset, baseOffset);\n    xrefTableData.push([1, baseOffset, Math.min(ref.gen, 0xffff)]);\n    baseOffset += data.length;\n    indexes.push(ref.num);\n    indexes.push(1);\n    buffer.push(data);\n  }\n\n  newXref.set(\"Index\", indexes);\n\n  if (xrefInfo.fileIds.length !== 0) {\n    const md5 = computeMD5(baseOffset, xrefInfo);\n    newXref.set(\"ID\", [xrefInfo.fileIds[0], md5]);\n  }\n\n  const offsetSize = Math.ceil(Math.log2(maxOffset) / 8);\n  const sizes = [1, offsetSize, 2];\n  const structSize = sizes[0] + sizes[1] + sizes[2];\n  const tableLength = structSize * xrefTableData.length;\n  newXref.set(\"W\", sizes);\n  newXref.set(\"Length\", tableLength);\n\n  buffer.push(`${refForXrefTable.num} ${refForXrefTable.gen} obj\\n`);\n  writeDict(newXref, buffer, null);\n  buffer.push(\" stream\\n\");\n\n  const bufferLen = buffer.reduce((a, str) => a + str.length, 0);\n  const footer = `\\nendstream\\nendobj\\nstartxref\\n${baseOffset}\\n%%EOF\\n`;\n  const array = new Uint8Array(\n    originalData.length + bufferLen + tableLength + footer.length\n  );\n\n  // Original data\n  array.set(originalData);\n  let offset = originalData.length;\n\n  // New data\n  for (const str of buffer) {\n    writeString(str, offset, array);\n    offset += str.length;\n  }\n\n  // New xref table\n  for (const [type, objOffset, gen] of xrefTableData) {\n    offset = writeInt(type, sizes[0], offset, array);\n    offset = writeInt(objOffset, sizes[1], offset, array);\n    offset = writeInt(gen, sizes[2], offset, array);\n  }\n\n  // Add the footer\n  writeString(footer, offset, array);\n\n  return array;\n}\n\nexport { writeDict, incrementalUpdate };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  assert,\n  CMapCompressionType,\n  createPromiseCapability,\n  FONT_IDENTITY_MATRIX,\n  FormatError,\n  IDENTITY_MATRIX,\n  info,\n  isArrayEqual,\n  isNum,\n  isString,\n  OPS,\n  shadow,\n  stringToPDFString,\n  TextRenderingMode,\n  UNSUPPORTED_FEATURES,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { CMapFactory, IdentityCMap } from \"./cmap.js\";\nimport {\n  Cmd,\n  Dict,\n  EOF,\n  isDict,\n  isName,\n  isRef,\n  isStream,\n  Name,\n  Ref,\n  RefSet,\n} from \"./primitives.js\";\nimport {\n  ErrorFont,\n  Font,\n  FontFlags,\n  getFontType,\n  IdentityToUnicodeMap,\n  ToUnicodeMap,\n} from \"./fonts.js\";\nimport {\n  getEncoding,\n  MacRomanEncoding,\n  StandardEncoding,\n  SymbolSetEncoding,\n  WinAnsiEncoding,\n  ZapfDingbatsEncoding,\n} from \"./encodings.js\";\nimport { getLookupTableFactory, MissingDataException } from \"./core_utils.js\";\nimport {\n  getNormalizedUnicodes,\n  getUnicodeForGlyph,\n  reverseIfRtl,\n} from \"./unicode.js\";\nimport {\n  getSerifFonts,\n  getStdFontMap,\n  getSymbolsFonts,\n} from \"./standard_fonts.js\";\nimport { getTilingPatternIR, Pattern } from \"./pattern.js\";\nimport { isPDFFunction, PDFFunctionFactory } from \"./function.js\";\nimport { Lexer, Parser } from \"./parser.js\";\nimport {\n  LocalColorSpaceCache,\n  LocalGStateCache,\n  LocalImageCache,\n} from \"./image_utils.js\";\nimport { bidi } from \"./bidi.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { getGlyphsUnicode } from \"./glyphlist.js\";\nimport { getMetrics } from \"./metrics.js\";\nimport { MurmurHash3_64 } from \"./murmurhash3.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { PDFImage } from \"./image.js\";\n\nconst DefaultPartialEvaluatorOptions = Object.freeze({\n  maxImageSize: -1,\n  disableFontFace: false,\n  ignoreErrors: false,\n  isEvalSupported: true,\n  fontExtraProperties: false,\n});\n\nconst PatternType = {\n  TILING: 1,\n  SHADING: 2,\n};\n\nconst deferred = Promise.resolve();\n\n// Convert PDF blend mode names to HTML5 blend mode names.\nfunction normalizeBlendMode(value, parsingArray = false) {\n  if (Array.isArray(value)) {\n    // Use the first *supported* BM value in the Array (fixes issue11279.pdf).\n    for (let i = 0, ii = value.length; i < ii; i++) {\n      const maybeBM = normalizeBlendMode(value[i], /* parsingArray = */ true);\n      if (maybeBM) {\n        return maybeBM;\n      }\n    }\n    warn(`Unsupported blend mode Array: ${value}`);\n    return \"source-over\";\n  }\n\n  if (!isName(value)) {\n    if (parsingArray) {\n      return null;\n    }\n    return \"source-over\";\n  }\n  switch (value.name) {\n    case \"Normal\":\n    case \"Compatible\":\n      return \"source-over\";\n    case \"Multiply\":\n      return \"multiply\";\n    case \"Screen\":\n      return \"screen\";\n    case \"Overlay\":\n      return \"overlay\";\n    case \"Darken\":\n      return \"darken\";\n    case \"Lighten\":\n      return \"lighten\";\n    case \"ColorDodge\":\n      return \"color-dodge\";\n    case \"ColorBurn\":\n      return \"color-burn\";\n    case \"HardLight\":\n      return \"hard-light\";\n    case \"SoftLight\":\n      return \"soft-light\";\n    case \"Difference\":\n      return \"difference\";\n    case \"Exclusion\":\n      return \"exclusion\";\n    case \"Hue\":\n      return \"hue\";\n    case \"Saturation\":\n      return \"saturation\";\n    case \"Color\":\n      return \"color\";\n    case \"Luminosity\":\n      return \"luminosity\";\n  }\n  if (parsingArray) {\n    return null;\n  }\n  warn(`Unsupported blend mode: ${value.name}`);\n  return \"source-over\";\n}\n\n// Trying to minimize Date.now() usage and check every 100 time.\nclass TimeSlotManager {\n  static get TIME_SLOT_DURATION_MS() {\n    return shadow(this, \"TIME_SLOT_DURATION_MS\", 20);\n  }\n\n  static get CHECK_TIME_EVERY() {\n    return shadow(this, \"CHECK_TIME_EVERY\", 100);\n  }\n\n  constructor() {\n    this.reset();\n  }\n\n  check() {\n    if (++this.checked < TimeSlotManager.CHECK_TIME_EVERY) {\n      return false;\n    }\n    this.checked = 0;\n    return this.endTime <= Date.now();\n  }\n\n  reset() {\n    this.endTime = Date.now() + TimeSlotManager.TIME_SLOT_DURATION_MS;\n    this.checked = 0;\n  }\n}\n\nclass PartialEvaluator {\n  constructor({\n    xref,\n    handler,\n    pageIndex,\n    idFactory,\n    fontCache,\n    builtInCMapCache,\n    globalImageCache,\n    options = null,\n  }) {\n    this.xref = xref;\n    this.handler = handler;\n    this.pageIndex = pageIndex;\n    this.idFactory = idFactory;\n    this.fontCache = fontCache;\n    this.builtInCMapCache = builtInCMapCache;\n    this.globalImageCache = globalImageCache;\n    this.options = options || DefaultPartialEvaluatorOptions;\n    this.parsingType3Font = false;\n\n    this._fetchBuiltInCMapBound = this.fetchBuiltInCMap.bind(this);\n  }\n\n  /**\n   * Since Functions are only cached (locally) by reference, we can share one\n   * `PDFFunctionFactory` instance within this `PartialEvaluator` instance.\n   */\n  get _pdfFunctionFactory() {\n    const pdfFunctionFactory = new PDFFunctionFactory({\n      xref: this.xref,\n      isEvalSupported: this.options.isEvalSupported,\n    });\n    return shadow(this, \"_pdfFunctionFactory\", pdfFunctionFactory);\n  }\n\n  clone(newOptions = DefaultPartialEvaluatorOptions) {\n    var newEvaluator = Object.create(this);\n    newEvaluator.options = newOptions;\n    return newEvaluator;\n  }\n\n  hasBlendModes(resources) {\n    if (!(resources instanceof Dict)) {\n      return false;\n    }\n\n    const processed = new RefSet();\n    if (resources.objId) {\n      processed.put(resources.objId);\n    }\n\n    var nodes = [resources],\n      xref = this.xref;\n    while (nodes.length) {\n      var node = nodes.shift();\n      // First check the current resources for blend modes.\n      var graphicStates = node.get(\"ExtGState\");\n      if (graphicStates instanceof Dict) {\n        for (let graphicState of graphicStates.getRawValues()) {\n          if (graphicState instanceof Ref) {\n            if (processed.has(graphicState)) {\n              continue; // The ExtGState has already been processed.\n            }\n            try {\n              graphicState = xref.fetch(graphicState);\n            } catch (ex) {\n              if (ex instanceof MissingDataException) {\n                throw ex;\n              }\n              // Avoid parsing a corrupt ExtGState more than once.\n              processed.put(graphicState);\n\n              info(`hasBlendModes - ignoring ExtGState: \"${ex}\".`);\n              continue;\n            }\n          }\n          if (!(graphicState instanceof Dict)) {\n            continue;\n          }\n          if (graphicState.objId) {\n            processed.put(graphicState.objId);\n          }\n\n          const bm = graphicState.get(\"BM\");\n          if (bm instanceof Name) {\n            if (bm.name !== \"Normal\") {\n              return true;\n            }\n            continue;\n          }\n          if (bm !== undefined && Array.isArray(bm)) {\n            for (const element of bm) {\n              if (element instanceof Name && element.name !== \"Normal\") {\n                return true;\n              }\n            }\n          }\n        }\n      }\n      // Descend into the XObjects to look for more resources and blend modes.\n      var xObjects = node.get(\"XObject\");\n      if (!(xObjects instanceof Dict)) {\n        continue;\n      }\n      for (let xObject of xObjects.getRawValues()) {\n        if (xObject instanceof Ref) {\n          if (processed.has(xObject)) {\n            // The XObject has already been processed, and by avoiding a\n            // redundant `xref.fetch` we can *significantly* reduce the load\n            // time for badly generated PDF files (fixes issue6961.pdf).\n            continue;\n          }\n          try {\n            xObject = xref.fetch(xObject);\n          } catch (ex) {\n            if (ex instanceof MissingDataException) {\n              throw ex;\n            }\n            // Avoid parsing a corrupt XObject more than once.\n            processed.put(xObject);\n\n            info(`hasBlendModes - ignoring XObject: \"${ex}\".`);\n            continue;\n          }\n        }\n        if (!isStream(xObject)) {\n          continue;\n        }\n        if (xObject.dict.objId) {\n          processed.put(xObject.dict.objId);\n        }\n        var xResources = xObject.dict.get(\"Resources\");\n        if (!(xResources instanceof Dict)) {\n          continue;\n        }\n        // Checking objId to detect an infinite loop.\n        if (xResources.objId && processed.has(xResources.objId)) {\n          continue;\n        }\n\n        nodes.push(xResources);\n        if (xResources.objId) {\n          processed.put(xResources.objId);\n        }\n      }\n    }\n    return false;\n  }\n\n  async fetchBuiltInCMap(name) {\n    const cachedData = this.builtInCMapCache.get(name);\n    if (cachedData) {\n      return cachedData;\n    }\n    const readableStream = this.handler.sendWithStream(\"FetchBuiltInCMap\", {\n      name,\n    });\n    const reader = readableStream.getReader();\n\n    const data = await new Promise(function (resolve, reject) {\n      function pump() {\n        reader.read().then(function ({ value, done }) {\n          if (done) {\n            return;\n          }\n          resolve(value);\n          pump();\n        }, reject);\n      }\n      pump();\n    });\n\n    if (data.compressionType !== CMapCompressionType.NONE) {\n      // Given the size of uncompressed CMaps, only cache compressed ones.\n      this.builtInCMapCache.set(name, data);\n    }\n    return data;\n  }\n\n  async buildFormXObject(\n    resources,\n    xobj,\n    smask,\n    operatorList,\n    task,\n    initialState,\n    localColorSpaceCache\n  ) {\n    var dict = xobj.dict;\n    var matrix = dict.getArray(\"Matrix\");\n    var bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      bbox = Util.normalizeRect(bbox);\n    } else {\n      bbox = null;\n    }\n    let optionalContent = null;\n    if (dict.has(\"OC\")) {\n      optionalContent = await this.parseMarkedContentProps(\n        dict.get(\"OC\"),\n        resources\n      );\n      operatorList.addOp(OPS.beginMarkedContentProps, [\"OC\", optionalContent]);\n    }\n    var group = dict.get(\"Group\");\n    if (group) {\n      var groupOptions = {\n        matrix,\n        bbox,\n        smask,\n        isolated: false,\n        knockout: false,\n      };\n\n      var groupSubtype = group.get(\"S\");\n      var colorSpace = null;\n      if (isName(groupSubtype, \"Transparency\")) {\n        groupOptions.isolated = group.get(\"I\") || false;\n        groupOptions.knockout = group.get(\"K\") || false;\n        if (group.has(\"CS\")) {\n          const cs = group.getRaw(\"CS\");\n\n          const cachedColorSpace = ColorSpace.getCached(\n            cs,\n            this.xref,\n            localColorSpaceCache\n          );\n          if (cachedColorSpace) {\n            colorSpace = cachedColorSpace;\n          } else {\n            colorSpace = await this.parseColorSpace({\n              cs,\n              resources,\n              localColorSpaceCache,\n            });\n          }\n        }\n      }\n\n      if (smask && smask.backdrop) {\n        colorSpace = colorSpace || ColorSpace.singletons.rgb;\n        smask.backdrop = colorSpace.getRgb(smask.backdrop, 0);\n      }\n\n      operatorList.addOp(OPS.beginGroup, [groupOptions]);\n    }\n\n    operatorList.addOp(OPS.paintFormXObjectBegin, [matrix, bbox]);\n\n    return this.getOperatorList({\n      stream: xobj,\n      task,\n      resources: dict.get(\"Resources\") || resources,\n      operatorList,\n      initialState,\n    }).then(function () {\n      operatorList.addOp(OPS.paintFormXObjectEnd, []);\n\n      if (group) {\n        operatorList.addOp(OPS.endGroup, [groupOptions]);\n      }\n\n      if (optionalContent) {\n        operatorList.addOp(OPS.endMarkedContent, []);\n      }\n    });\n  }\n\n  _sendImgData(objId, imgData, cacheGlobally = false) {\n    const transfers = imgData ? [imgData.data.buffer] : null;\n\n    if (this.parsingType3Font || cacheGlobally) {\n      return this.handler.send(\n        \"commonobj\",\n        [objId, \"Image\", imgData],\n        transfers\n      );\n    }\n    return this.handler.send(\n      \"obj\",\n      [objId, this.pageIndex, \"Image\", imgData],\n      transfers\n    );\n  }\n\n  async buildPaintImageXObject({\n    resources,\n    image,\n    isInline = false,\n    operatorList,\n    cacheKey,\n    localImageCache,\n    localColorSpaceCache,\n  }) {\n    var dict = image.dict;\n    const imageRef = dict.objId;\n    var w = dict.get(\"Width\", \"W\");\n    var h = dict.get(\"Height\", \"H\");\n\n    if (!(w && isNum(w)) || !(h && isNum(h))) {\n      warn(\"Image dimensions are missing, or not numbers.\");\n      return undefined;\n    }\n    var maxImageSize = this.options.maxImageSize;\n    if (maxImageSize !== -1 && w * h > maxImageSize) {\n      warn(\"Image exceeded maximum allowed size and was removed.\");\n      return undefined;\n    }\n\n    var imageMask = dict.get(\"ImageMask\", \"IM\") || false;\n    var imgData, args;\n    if (imageMask) {\n      // This depends on a tmpCanvas being filled with the\n      // current fillStyle, such that processing the pixel\n      // data can't be done here. Instead of creating a\n      // complete PDFImage, only read the information needed\n      // for later.\n\n      var width = dict.get(\"Width\", \"W\");\n      var height = dict.get(\"Height\", \"H\");\n      var bitStrideLength = (width + 7) >> 3;\n      var imgArray = image.getBytes(\n        bitStrideLength * height,\n        /* forceClamped = */ true\n      );\n      var decode = dict.getArray(\"Decode\", \"D\");\n\n      imgData = PDFImage.createMask({\n        imgArray,\n        width,\n        height,\n        imageIsFromDecodeStream: image instanceof DecodeStream,\n        inverseDecode: !!decode && decode[0] > 0,\n      });\n      imgData.cached = !!cacheKey;\n      args = [imgData];\n\n      operatorList.addOp(OPS.paintImageMaskXObject, args);\n      if (cacheKey) {\n        localImageCache.set(cacheKey, imageRef, {\n          fn: OPS.paintImageMaskXObject,\n          args,\n        });\n      }\n      return undefined;\n    }\n\n    var softMask = dict.get(\"SMask\", \"SM\") || false;\n    var mask = dict.get(\"Mask\") || false;\n\n    var SMALL_IMAGE_DIMENSIONS = 200;\n    // Inlining small images into the queue as RGB data\n    if (isInline && !softMask && !mask && w + h < SMALL_IMAGE_DIMENSIONS) {\n      const imageObj = new PDFImage({\n        xref: this.xref,\n        res: resources,\n        image,\n        isInline,\n        pdfFunctionFactory: this._pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n      // We force the use of RGBA_32BPP images here, because we can't handle\n      // any other kind.\n      imgData = imageObj.createImageData(/* forceRGBA = */ true);\n      operatorList.addOp(OPS.paintInlineImageXObject, [imgData]);\n      return undefined;\n    }\n\n    // If there is no imageMask, create the PDFImage and a lot\n    // of image processing can be done here.\n    let objId = `img_${this.idFactory.createObjId()}`,\n      cacheGlobally = false;\n\n    if (this.parsingType3Font) {\n      objId = `${this.idFactory.getDocId()}_type3_${objId}`;\n    } else if (imageRef) {\n      cacheGlobally = this.globalImageCache.shouldCache(\n        imageRef,\n        this.pageIndex\n      );\n\n      if (cacheGlobally) {\n        objId = `${this.idFactory.getDocId()}_${objId}`;\n      }\n    }\n\n    // Ensure that the dependency is added before the image is decoded.\n    operatorList.addDependency(objId);\n    args = [objId, w, h];\n\n    PDFImage.buildImage({\n      xref: this.xref,\n      res: resources,\n      image,\n      isInline,\n      pdfFunctionFactory: this._pdfFunctionFactory,\n      localColorSpaceCache,\n    })\n      .then(imageObj => {\n        imgData = imageObj.createImageData(/* forceRGBA = */ false);\n\n        return this._sendImgData(objId, imgData, cacheGlobally);\n      })\n      .catch(reason => {\n        warn(`Unable to decode image \"${objId}\": \"${reason}\".`);\n\n        return this._sendImgData(objId, /* imgData = */ null, cacheGlobally);\n      });\n\n    operatorList.addOp(OPS.paintImageXObject, args);\n    if (cacheKey) {\n      localImageCache.set(cacheKey, imageRef, {\n        fn: OPS.paintImageXObject,\n        args,\n      });\n\n      if (imageRef) {\n        assert(!isInline, \"Cannot cache an inline image globally.\");\n        this.globalImageCache.addPageIndex(imageRef, this.pageIndex);\n\n        if (cacheGlobally) {\n          this.globalImageCache.setData(imageRef, {\n            objId,\n            fn: OPS.paintImageXObject,\n            args,\n          });\n        }\n      }\n    }\n    return undefined;\n  }\n\n  handleSMask(\n    smask,\n    resources,\n    operatorList,\n    task,\n    stateManager,\n    localColorSpaceCache\n  ) {\n    var smaskContent = smask.get(\"G\");\n    var smaskOptions = {\n      subtype: smask.get(\"S\").name,\n      backdrop: smask.get(\"BC\"),\n    };\n\n    // The SMask might have a alpha/luminosity value transfer function --\n    // we will build a map of integer values in range 0..255 to be fast.\n    var transferObj = smask.get(\"TR\");\n    if (isPDFFunction(transferObj)) {\n      const transferFn = this._pdfFunctionFactory.create(transferObj);\n      var transferMap = new Uint8Array(256);\n      var tmp = new Float32Array(1);\n      for (var i = 0; i < 256; i++) {\n        tmp[0] = i / 255;\n        transferFn(tmp, 0, tmp, 0);\n        transferMap[i] = (tmp[0] * 255) | 0;\n      }\n      smaskOptions.transferMap = transferMap;\n    }\n\n    return this.buildFormXObject(\n      resources,\n      smaskContent,\n      smaskOptions,\n      operatorList,\n      task,\n      stateManager.state.clone(),\n      localColorSpaceCache\n    );\n  }\n\n  handleTransferFunction(tr) {\n    let transferArray;\n    if (Array.isArray(tr)) {\n      transferArray = tr;\n    } else if (isPDFFunction(tr)) {\n      transferArray = [tr];\n    } else {\n      return null; // Not a valid transfer function entry.\n    }\n\n    const transferMaps = [];\n    let numFns = 0,\n      numEffectfulFns = 0;\n    for (const entry of transferArray) {\n      const transferObj = this.xref.fetchIfRef(entry);\n      numFns++;\n\n      if (isName(transferObj, \"Identity\")) {\n        transferMaps.push(null);\n        continue;\n      } else if (!isPDFFunction(transferObj)) {\n        return null; // Not a valid transfer function object.\n      }\n\n      const transferFn = this._pdfFunctionFactory.create(transferObj);\n      const transferMap = new Uint8Array(256),\n        tmp = new Float32Array(1);\n      for (let j = 0; j < 256; j++) {\n        tmp[0] = j / 255;\n        transferFn(tmp, 0, tmp, 0);\n        transferMap[j] = (tmp[0] * 255) | 0;\n      }\n      transferMaps.push(transferMap);\n      numEffectfulFns++;\n    }\n\n    if (!(numFns === 1 || numFns === 4)) {\n      return null; // Only 1 or 4 functions are supported, by the specification.\n    }\n    if (numEffectfulFns === 0) {\n      return null; // Only /Identity transfer functions found, which are no-ops.\n    }\n    return transferMaps;\n  }\n\n  handleTilingType(\n    fn,\n    args,\n    resources,\n    pattern,\n    patternDict,\n    operatorList,\n    task\n  ) {\n    // Create an IR of the pattern code.\n    const tilingOpList = new OperatorList();\n    // Merge the available resources, to prevent issues when the patternDict\n    // is missing some /Resources entries (fixes issue6541.pdf).\n    const patternResources = Dict.merge({\n      xref: this.xref,\n      dictArray: [patternDict.get(\"Resources\"), resources],\n    });\n\n    return this.getOperatorList({\n      stream: pattern,\n      task,\n      resources: patternResources,\n      operatorList: tilingOpList,\n    })\n      .then(function () {\n        return getTilingPatternIR(\n          {\n            fnArray: tilingOpList.fnArray,\n            argsArray: tilingOpList.argsArray,\n          },\n          patternDict,\n          args\n        );\n      })\n      .then(\n        function (tilingPatternIR) {\n          // Add the dependencies to the parent operator list so they are\n          // resolved before the sub operator list is executed synchronously.\n          operatorList.addDependencies(tilingOpList.dependencies);\n          operatorList.addOp(fn, tilingPatternIR);\n        },\n        reason => {\n          if (reason instanceof AbortException) {\n            return;\n          }\n          if (this.options.ignoreErrors) {\n            // Error(s) in the TilingPattern -- sending unsupported feature\n            // notification and allow rendering to continue.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorTilingPattern,\n            });\n            warn(`handleTilingType - ignoring pattern: \"${reason}\".`);\n            return;\n          }\n          throw reason;\n        }\n      );\n  }\n\n  handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) {\n    // TODO(mack): Not needed?\n    var fontName,\n      fontSize = 0;\n    if (fontArgs) {\n      fontArgs = fontArgs.slice();\n      fontName = fontArgs[0].name;\n      fontSize = fontArgs[1];\n    }\n\n    return this.loadFont(fontName, fontRef, resources)\n      .then(translated => {\n        if (!translated.font.isType3Font) {\n          return translated;\n        }\n        return translated\n          .loadType3Data(this, resources, task)\n          .then(function () {\n            // Add the dependencies to the parent operatorList so they are\n            // resolved before Type3 operatorLists are executed synchronously.\n            operatorList.addDependencies(translated.type3Dependencies);\n\n            return translated;\n          })\n          .catch(reason => {\n            // Error in the font data -- sending unsupported feature\n            // notification.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorFontLoadType3,\n            });\n            return new TranslatedFont({\n              loadedName: \"g_font_error\",\n              font: new ErrorFont(`Type3 font load error: ${reason}`),\n              dict: translated.font,\n              extraProperties: this.options.fontExtraProperties,\n            });\n          });\n      })\n      .then(translated => {\n        state.font = translated.font;\n        state.fontSize = fontSize;\n        state.fontName = fontName;\n        translated.send(this.handler);\n        return translated.loadedName;\n      });\n  }\n\n  handleText(chars, state) {\n    const font = state.font;\n    const glyphs = font.charsToGlyphs(chars);\n\n    if (font.data) {\n      const isAddToPathSet = !!(\n        state.textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG\n      );\n      if (\n        isAddToPathSet ||\n        state.fillColorSpace.name === \"Pattern\" ||\n        font.disableFontFace ||\n        this.options.disableFontFace\n      ) {\n        PartialEvaluator.buildFontPaths(font, glyphs, this.handler);\n      }\n    }\n    return glyphs;\n  }\n\n  ensureStateFont(state) {\n    if (state.font) {\n      return;\n    }\n    const reason = new FormatError(\n      \"Missing setFont (Tf) operator before text rendering operator.\"\n    );\n\n    if (this.options.ignoreErrors) {\n      // Missing setFont operator before text rendering operator -- sending\n      // unsupported feature notification and allow rendering to continue.\n      this.handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.errorFontState,\n      });\n      warn(`ensureStateFont: \"${reason}\".`);\n      return;\n    }\n    throw reason;\n  }\n\n  async setGState({\n    resources,\n    gState,\n    operatorList,\n    cacheKey,\n    task,\n    stateManager,\n    localGStateCache,\n    localColorSpaceCache,\n  }) {\n    const gStateRef = gState.objId;\n    let isSimpleGState = true;\n    // This array holds the converted/processed state data.\n    var gStateObj = [];\n    var gStateKeys = gState.getKeys();\n    var promise = Promise.resolve();\n    for (var i = 0, ii = gStateKeys.length; i < ii; i++) {\n      const key = gStateKeys[i];\n      const value = gState.get(key);\n      switch (key) {\n        case \"Type\":\n          break;\n        case \"LW\":\n        case \"LC\":\n        case \"LJ\":\n        case \"ML\":\n        case \"D\":\n        case \"RI\":\n        case \"FL\":\n        case \"CA\":\n        case \"ca\":\n          gStateObj.push([key, value]);\n          break;\n        case \"Font\":\n          isSimpleGState = false;\n\n          promise = promise.then(() => {\n            return this.handleSetFont(\n              resources,\n              null,\n              value[0],\n              operatorList,\n              task,\n              stateManager.state\n            ).then(function (loadedName) {\n              operatorList.addDependency(loadedName);\n              gStateObj.push([key, [loadedName, value[1]]]);\n            });\n          });\n          break;\n        case \"BM\":\n          gStateObj.push([key, normalizeBlendMode(value)]);\n          break;\n        case \"SMask\":\n          if (isName(value, \"None\")) {\n            gStateObj.push([key, false]);\n            break;\n          }\n          if (isDict(value)) {\n            isSimpleGState = false;\n\n            promise = promise.then(() => {\n              return this.handleSMask(\n                value,\n                resources,\n                operatorList,\n                task,\n                stateManager,\n                localColorSpaceCache\n              );\n            });\n            gStateObj.push([key, true]);\n          } else {\n            warn(\"Unsupported SMask type\");\n          }\n          break;\n        case \"TR\":\n          const transferMaps = this.handleTransferFunction(value);\n          gStateObj.push([key, transferMaps]);\n          break;\n        // Only generate info log messages for the following since\n        // they are unlikely to have a big impact on the rendering.\n        case \"OP\":\n        case \"op\":\n        case \"OPM\":\n        case \"BG\":\n        case \"BG2\":\n        case \"UCR\":\n        case \"UCR2\":\n        case \"TR2\":\n        case \"HT\":\n        case \"SM\":\n        case \"SA\":\n        case \"AIS\":\n        case \"TK\":\n          // TODO implement these operators.\n          info(\"graphic state operator \" + key);\n          break;\n        default:\n          info(\"Unknown graphic state operator \" + key);\n          break;\n      }\n    }\n    return promise.then(function () {\n      if (gStateObj.length > 0) {\n        operatorList.addOp(OPS.setGState, [gStateObj]);\n      }\n\n      if (isSimpleGState) {\n        localGStateCache.set(cacheKey, gStateRef, gStateObj);\n      }\n    });\n  }\n\n  loadFont(fontName, font, resources) {\n    const errorFont = () => {\n      return Promise.resolve(\n        new TranslatedFont({\n          loadedName: \"g_font_error\",\n          font: new ErrorFont(`Font \"${fontName}\" is not available.`),\n          dict: font,\n          extraProperties: this.options.fontExtraProperties,\n        })\n      );\n    };\n\n    var fontRef,\n      xref = this.xref;\n    if (font) {\n      // Loading by ref.\n      if (!isRef(font)) {\n        throw new FormatError('The \"font\" object should be a reference.');\n      }\n      fontRef = font;\n    } else {\n      // Loading by name.\n      var fontRes = resources.get(\"Font\");\n      if (fontRes) {\n        fontRef = fontRes.getRaw(fontName);\n      }\n    }\n    if (!fontRef) {\n      const partialMsg = `Font \"${\n        fontName || (font && font.toString())\n      }\" is not available`;\n\n      if (!this.options.ignoreErrors && !this.parsingType3Font) {\n        warn(`${partialMsg}.`);\n        return errorFont();\n      }\n      // Font not found -- sending unsupported feature notification.\n      this.handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.errorFontMissing,\n      });\n      warn(`${partialMsg} -- attempting to fallback to a default font.`);\n\n      // Falling back to a default font to avoid completely broken rendering,\n      // but note that there're no guarantees that things will look \"correct\".\n      fontRef = PartialEvaluator.fallbackFontDict;\n    }\n\n    if (this.fontCache.has(fontRef)) {\n      return this.fontCache.get(fontRef);\n    }\n\n    font = xref.fetchIfRef(fontRef);\n    if (!isDict(font)) {\n      return errorFont();\n    }\n\n    // We are holding `font.translated` references just for `fontRef`s that\n    // are not actually `Ref`s, but rather `Dict`s. See explanation below.\n    if (font.translated) {\n      return font.translated;\n    }\n\n    var fontCapability = createPromiseCapability();\n\n    var preEvaluatedFont = this.preEvaluateFont(font);\n    const { descriptor, hash } = preEvaluatedFont;\n\n    var fontRefIsRef = isRef(fontRef),\n      fontID;\n    if (fontRefIsRef) {\n      fontID = `f${fontRef.toString()}`;\n    }\n\n    if (hash && isDict(descriptor)) {\n      if (!descriptor.fontAliases) {\n        descriptor.fontAliases = Object.create(null);\n      }\n      var fontAliases = descriptor.fontAliases;\n\n      if (fontAliases[hash]) {\n        var aliasFontRef = fontAliases[hash].aliasRef;\n        if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) {\n          this.fontCache.putAlias(fontRef, aliasFontRef);\n          return this.fontCache.get(fontRef);\n        }\n      } else {\n        fontAliases[hash] = {\n          fontID: this.idFactory.createFontId(),\n        };\n      }\n\n      if (fontRefIsRef) {\n        fontAliases[hash].aliasRef = fontRef;\n      }\n      fontID = fontAliases[hash].fontID;\n    }\n\n    // Workaround for bad PDF generators that reference fonts incorrectly,\n    // where `fontRef` is a `Dict` rather than a `Ref` (fixes bug946506.pdf).\n    // In this case we should not put the font into `this.fontCache` (which is\n    // a `RefSetCache`), since it's not meaningful to use a `Dict` as a key.\n    //\n    // However, if we don't cache the font it's not possible to remove it\n    // when `cleanup` is triggered from the API, which causes issues on\n    // subsequent rendering operations (see issue7403.pdf).\n    // A simple workaround would be to just not hold `font.translated`\n    // references in this case, but this would force us to unnecessarily load\n    // the same fonts over and over.\n    //\n    // Instead, we cheat a bit by attempting to use a modified `fontID` as a\n    // key in `this.fontCache`, to allow the font to be cached.\n    // NOTE: This works because `RefSetCache` calls `toString()` on provided\n    //       keys. Also, since `fontRef` is used when getting cached fonts,\n    //       we'll not accidentally match fonts cached with the `fontID`.\n    if (fontRefIsRef) {\n      this.fontCache.put(fontRef, fontCapability.promise);\n    } else {\n      if (!fontID) {\n        fontID = this.idFactory.createFontId();\n      }\n      this.fontCache.put(`id_${fontID}`, fontCapability.promise);\n    }\n    assert(\n      fontID && fontID.startsWith(\"f\"),\n      'The \"fontID\" must be (correctly) defined.'\n    );\n\n    // Keep track of each font we translated so the caller can\n    // load them asynchronously before calling display on a page.\n    font.loadedName = `${this.idFactory.getDocId()}_${fontID}`;\n\n    font.translated = fontCapability.promise;\n\n    // TODO move promises into translate font\n    var translatedPromise;\n    try {\n      translatedPromise = this.translateFont(preEvaluatedFont);\n    } catch (e) {\n      translatedPromise = Promise.reject(e);\n    }\n\n    translatedPromise\n      .then(translatedFont => {\n        if (translatedFont.fontType !== undefined) {\n          var xrefFontStats = xref.stats.fontTypes;\n          xrefFontStats[translatedFont.fontType] = true;\n        }\n\n        fontCapability.resolve(\n          new TranslatedFont({\n            loadedName: font.loadedName,\n            font: translatedFont,\n            dict: font,\n            extraProperties: this.options.fontExtraProperties,\n          })\n        );\n      })\n      .catch(reason => {\n        // TODO fontCapability.reject?\n        // Error in the font data -- sending unsupported feature notification.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorFontTranslate,\n        });\n\n        try {\n          // error, but it's still nice to have font type reported\n          var fontFile3 = descriptor && descriptor.get(\"FontFile3\");\n          var subtype = fontFile3 && fontFile3.get(\"Subtype\");\n          var fontType = getFontType(\n            preEvaluatedFont.type,\n            subtype && subtype.name\n          );\n          var xrefFontStats = xref.stats.fontTypes;\n          xrefFontStats[fontType] = true;\n        } catch (ex) {}\n\n        fontCapability.resolve(\n          new TranslatedFont({\n            loadedName: font.loadedName,\n            font: new ErrorFont(\n              reason instanceof Error ? reason.message : reason\n            ),\n            dict: font,\n            extraProperties: this.options.fontExtraProperties,\n          })\n        );\n      });\n    return fontCapability.promise;\n  }\n\n  buildPath(operatorList, fn, args, parsingText = false) {\n    var lastIndex = operatorList.length - 1;\n    if (!args) {\n      args = [];\n    }\n    if (\n      lastIndex < 0 ||\n      operatorList.fnArray[lastIndex] !== OPS.constructPath\n    ) {\n      // Handle corrupt PDF documents that contains path operators inside of\n      // text objects, which may shift subsequent text, by enclosing the path\n      // operator in save/restore operators (fixes issue10542_reduced.pdf).\n      //\n      // Note that this will effectively disable the optimization in the\n      // `else` branch below, but given that this type of corruption is\n      // *extremely* rare that shouldn't really matter much in practice.\n      if (parsingText) {\n        warn(`Encountered path operator \"${fn}\" inside of a text object.`);\n        operatorList.addOp(OPS.save, null);\n      }\n\n      operatorList.addOp(OPS.constructPath, [[fn], args]);\n\n      if (parsingText) {\n        operatorList.addOp(OPS.restore, null);\n      }\n    } else {\n      var opArgs = operatorList.argsArray[lastIndex];\n      opArgs[0].push(fn);\n      Array.prototype.push.apply(opArgs[1], args);\n    }\n  }\n\n  parseColorSpace({ cs, resources, localColorSpaceCache }) {\n    return ColorSpace.parseAsync({\n      cs,\n      xref: this.xref,\n      resources,\n      pdfFunctionFactory: this._pdfFunctionFactory,\n      localColorSpaceCache,\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return null;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the ColorSpace -- sending unsupported feature\n        // notification and allow rendering to continue.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorColorSpace,\n        });\n        warn(`parseColorSpace - ignoring ColorSpace: \"${reason}\".`);\n        return null;\n      }\n      throw reason;\n    });\n  }\n\n  async handleColorN(\n    operatorList,\n    fn,\n    args,\n    cs,\n    patterns,\n    resources,\n    task,\n    localColorSpaceCache\n  ) {\n    // compile tiling patterns\n    var patternName = args[args.length - 1];\n    // SCN/scn applies patterns along with normal colors\n    var pattern;\n    if (isName(patternName) && (pattern = patterns.get(patternName.name))) {\n      var dict = isStream(pattern) ? pattern.dict : pattern;\n      var typeNum = dict.get(\"PatternType\");\n\n      if (typeNum === PatternType.TILING) {\n        var color = cs.base ? cs.base.getRgb(args, 0) : null;\n        return this.handleTilingType(\n          fn,\n          color,\n          resources,\n          pattern,\n          dict,\n          operatorList,\n          task\n        );\n      } else if (typeNum === PatternType.SHADING) {\n        var shading = dict.get(\"Shading\");\n        var matrix = dict.getArray(\"Matrix\");\n        pattern = Pattern.parseShading(\n          shading,\n          matrix,\n          this.xref,\n          resources,\n          this.handler,\n          this._pdfFunctionFactory,\n          localColorSpaceCache\n        );\n        operatorList.addOp(fn, pattern.getIR());\n        return undefined;\n      }\n      throw new FormatError(`Unknown PatternType: ${typeNum}`);\n    }\n    throw new FormatError(`Unknown PatternName: ${patternName}`);\n  }\n\n  async parseMarkedContentProps(contentProperties, resources) {\n    let optionalContent;\n    if (isName(contentProperties)) {\n      const properties = resources.get(\"Properties\");\n      optionalContent = properties.get(contentProperties.name);\n    } else if (isDict(contentProperties)) {\n      optionalContent = contentProperties;\n    } else {\n      throw new FormatError(\"Optional content properties malformed.\");\n    }\n\n    const optionalContentType = optionalContent.get(\"Type\").name;\n    if (optionalContentType === \"OCG\") {\n      return {\n        type: optionalContentType,\n        id: optionalContent.objId,\n      };\n    } else if (optionalContentType === \"OCMD\") {\n      const optionalContentGroups = optionalContent.get(\"OCGs\");\n      if (\n        Array.isArray(optionalContentGroups) ||\n        isDict(optionalContentGroups)\n      ) {\n        const groupIds = [];\n        if (Array.isArray(optionalContentGroups)) {\n          optionalContent.get(\"OCGs\").forEach(ocg => {\n            groupIds.push(ocg.toString());\n          });\n        } else {\n          // Dictionary, just use the obj id.\n          groupIds.push(optionalContentGroups.objId);\n        }\n\n        let expression = null;\n        if (optionalContent.get(\"VE\")) {\n          // TODO support visibility expression.\n          expression = true;\n        }\n\n        return {\n          type: optionalContentType,\n          ids: groupIds,\n          policy: isName(optionalContent.get(\"P\"))\n            ? optionalContent.get(\"P\").name\n            : null,\n          expression,\n        };\n      } else if (isRef(optionalContentGroups)) {\n        return {\n          type: optionalContentType,\n          id: optionalContentGroups.toString(),\n        };\n      }\n    }\n    return null;\n  }\n\n  getOperatorList({\n    stream,\n    task,\n    resources,\n    operatorList,\n    initialState = null,\n  }) {\n    // Ensure that `resources`/`initialState` is correctly initialized,\n    // even if the provided parameter is e.g. `null`.\n    resources = resources || Dict.empty;\n    initialState = initialState || new EvalState();\n\n    if (!operatorList) {\n      throw new Error('getOperatorList: missing \"operatorList\" parameter');\n    }\n\n    var self = this;\n    var xref = this.xref;\n    let parsingText = false;\n    const localImageCache = new LocalImageCache();\n    const localColorSpaceCache = new LocalColorSpaceCache();\n    const localGStateCache = new LocalGStateCache();\n\n    var xobjs = resources.get(\"XObject\") || Dict.empty;\n    var patterns = resources.get(\"Pattern\") || Dict.empty;\n    var stateManager = new StateManager(initialState);\n    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);\n    var timeSlotManager = new TimeSlotManager();\n\n    function closePendingRestoreOPS(argument) {\n      for (var i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {\n        operatorList.addOp(OPS.restore, []);\n      }\n    }\n\n    return new Promise(function promiseBody(resolve, reject) {\n      const next = function (promise) {\n        Promise.all([promise, operatorList.ready]).then(function () {\n          try {\n            promiseBody(resolve, reject);\n          } catch (ex) {\n            reject(ex);\n          }\n        }, reject);\n      };\n      task.ensureNotTerminated();\n      timeSlotManager.reset();\n      var stop,\n        operation = {},\n        i,\n        ii,\n        cs,\n        name;\n      while (!(stop = timeSlotManager.check())) {\n        // The arguments parsed by read() are used beyond this loop, so we\n        // cannot reuse the same array on each iteration. Therefore we pass\n        // in |null| as the initial value (see the comment on\n        // EvaluatorPreprocessor_read() for why).\n        operation.args = null;\n        if (!preprocessor.read(operation)) {\n          break;\n        }\n        var args = operation.args;\n        var fn = operation.fn;\n\n        switch (fn | 0) {\n          case OPS.paintXObject:\n            // eagerly compile XForm objects\n            name = args[0].name;\n            if (name) {\n              const localImage = localImageCache.getByName(name);\n              if (localImage) {\n                operatorList.addOp(localImage.fn, localImage.args);\n                args = null;\n                continue;\n              }\n            }\n\n            next(\n              new Promise(function (resolveXObject, rejectXObject) {\n                if (!name) {\n                  throw new FormatError(\"XObject must be referred to by name.\");\n                }\n\n                let xobj = xobjs.getRaw(name);\n                if (xobj instanceof Ref) {\n                  const localImage = localImageCache.getByRef(xobj);\n                  if (localImage) {\n                    operatorList.addOp(localImage.fn, localImage.args);\n\n                    resolveXObject();\n                    return;\n                  }\n\n                  const globalImage = self.globalImageCache.getData(\n                    xobj,\n                    self.pageIndex\n                  );\n                  if (globalImage) {\n                    operatorList.addDependency(globalImage.objId);\n                    operatorList.addOp(globalImage.fn, globalImage.args);\n\n                    resolveXObject();\n                    return;\n                  }\n\n                  xobj = xref.fetch(xobj);\n                }\n\n                if (!isStream(xobj)) {\n                  throw new FormatError(\"XObject should be a stream\");\n                }\n\n                const type = xobj.dict.get(\"Subtype\");\n                if (!isName(type)) {\n                  throw new FormatError(\"XObject should have a Name subtype\");\n                }\n\n                if (type.name === \"Form\") {\n                  stateManager.save();\n                  self\n                    .buildFormXObject(\n                      resources,\n                      xobj,\n                      null,\n                      operatorList,\n                      task,\n                      stateManager.state.clone(),\n                      localColorSpaceCache\n                    )\n                    .then(function () {\n                      stateManager.restore();\n                      resolveXObject();\n                    }, rejectXObject);\n                  return;\n                } else if (type.name === \"Image\") {\n                  self\n                    .buildPaintImageXObject({\n                      resources,\n                      image: xobj,\n                      operatorList,\n                      cacheKey: name,\n                      localImageCache,\n                      localColorSpaceCache,\n                    })\n                    .then(resolveXObject, rejectXObject);\n                  return;\n                } else if (type.name === \"PS\") {\n                  // PostScript XObjects are unused when viewing documents.\n                  // See section 4.7.1 of Adobe's PDF reference.\n                  info(\"Ignored XObject subtype PS\");\n                } else {\n                  throw new FormatError(\n                    `Unhandled XObject subtype ${type.name}`\n                  );\n                }\n                resolveXObject();\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the XObject -- sending unsupported feature\n                  // notification and allow rendering to continue.\n                  self.handler.send(\"UnsupportedFeature\", {\n                    featureId: UNSUPPORTED_FEATURES.errorXObject,\n                  });\n                  warn(`getOperatorList - ignoring XObject: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.setFont:\n            var fontSize = args[1];\n            // eagerly collect all fonts\n            next(\n              self\n                .handleSetFont(\n                  resources,\n                  args,\n                  null,\n                  operatorList,\n                  task,\n                  stateManager.state\n                )\n                .then(function (loadedName) {\n                  operatorList.addDependency(loadedName);\n                  operatorList.addOp(OPS.setFont, [loadedName, fontSize]);\n                })\n            );\n            return;\n          case OPS.beginText:\n            parsingText = true;\n            break;\n          case OPS.endText:\n            parsingText = false;\n            break;\n          case OPS.endInlineImage:\n            var cacheKey = args[0].cacheKey;\n            if (cacheKey) {\n              const localImage = localImageCache.getByName(cacheKey);\n              if (localImage) {\n                operatorList.addOp(localImage.fn, localImage.args);\n                args = null;\n                continue;\n              }\n            }\n            next(\n              self.buildPaintImageXObject({\n                resources,\n                image: args[0],\n                isInline: true,\n                operatorList,\n                cacheKey,\n                localImageCache,\n                localColorSpaceCache,\n              })\n            );\n            return;\n          case OPS.showText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            args[0] = self.handleText(args[0], stateManager.state);\n            break;\n          case OPS.showSpacedText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            var arr = args[0];\n            var combinedGlyphs = [];\n            var arrLength = arr.length;\n            var state = stateManager.state;\n            for (i = 0; i < arrLength; ++i) {\n              var arrItem = arr[i];\n              if (isString(arrItem)) {\n                Array.prototype.push.apply(\n                  combinedGlyphs,\n                  self.handleText(arrItem, state)\n                );\n              } else if (isNum(arrItem)) {\n                combinedGlyphs.push(arrItem);\n              }\n            }\n            args[0] = combinedGlyphs;\n            fn = OPS.showText;\n            break;\n          case OPS.nextLineShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            operatorList.addOp(OPS.nextLine);\n            args[0] = self.handleText(args[0], stateManager.state);\n            fn = OPS.showText;\n            break;\n          case OPS.nextLineSetSpacingShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            operatorList.addOp(OPS.nextLine);\n            operatorList.addOp(OPS.setWordSpacing, [args.shift()]);\n            operatorList.addOp(OPS.setCharSpacing, [args.shift()]);\n            args[0] = self.handleText(args[0], stateManager.state);\n            fn = OPS.showText;\n            break;\n          case OPS.setTextRenderingMode:\n            stateManager.state.textRenderingMode = args[0];\n            break;\n\n          case OPS.setFillColorSpace: {\n            const cachedColorSpace = ColorSpace.getCached(\n              args[0],\n              xref,\n              localColorSpaceCache\n            );\n            if (cachedColorSpace) {\n              stateManager.state.fillColorSpace = cachedColorSpace;\n              continue;\n            }\n\n            next(\n              self\n                .parseColorSpace({\n                  cs: args[0],\n                  resources,\n                  localColorSpaceCache,\n                })\n                .then(function (colorSpace) {\n                  if (colorSpace) {\n                    stateManager.state.fillColorSpace = colorSpace;\n                  }\n                })\n            );\n            return;\n          }\n          case OPS.setStrokeColorSpace: {\n            const cachedColorSpace = ColorSpace.getCached(\n              args[0],\n              xref,\n              localColorSpaceCache\n            );\n            if (cachedColorSpace) {\n              stateManager.state.strokeColorSpace = cachedColorSpace;\n              continue;\n            }\n\n            next(\n              self\n                .parseColorSpace({\n                  cs: args[0],\n                  resources,\n                  localColorSpaceCache,\n                })\n                .then(function (colorSpace) {\n                  if (colorSpace) {\n                    stateManager.state.strokeColorSpace = colorSpace;\n                  }\n                })\n            );\n            return;\n          }\n          case OPS.setFillColor:\n            cs = stateManager.state.fillColorSpace;\n            args = cs.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeColor:\n            cs = stateManager.state.strokeColorSpace;\n            args = cs.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillGray:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.gray;\n            args = ColorSpace.singletons.gray.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeGray:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.gray;\n            args = ColorSpace.singletons.gray.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillCMYKColor:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk;\n            args = ColorSpace.singletons.cmyk.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeCMYKColor:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk;\n            args = ColorSpace.singletons.cmyk.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillRGBColor:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.rgb;\n            args = ColorSpace.singletons.rgb.getRgb(args, 0);\n            break;\n          case OPS.setStrokeRGBColor:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb;\n            args = ColorSpace.singletons.rgb.getRgb(args, 0);\n            break;\n          case OPS.setFillColorN:\n            cs = stateManager.state.fillColorSpace;\n            if (cs.name === \"Pattern\") {\n              next(\n                self.handleColorN(\n                  operatorList,\n                  OPS.setFillColorN,\n                  args,\n                  cs,\n                  patterns,\n                  resources,\n                  task,\n                  localColorSpaceCache\n                )\n              );\n              return;\n            }\n            args = cs.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeColorN:\n            cs = stateManager.state.strokeColorSpace;\n            if (cs.name === \"Pattern\") {\n              next(\n                self.handleColorN(\n                  operatorList,\n                  OPS.setStrokeColorN,\n                  args,\n                  cs,\n                  patterns,\n                  resources,\n                  task,\n                  localColorSpaceCache\n                )\n              );\n              return;\n            }\n            args = cs.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n\n          case OPS.shadingFill:\n            var shadingRes = resources.get(\"Shading\");\n            if (!shadingRes) {\n              throw new FormatError(\"No shading resource found\");\n            }\n\n            var shading = shadingRes.get(args[0].name);\n            if (!shading) {\n              throw new FormatError(\"No shading object found\");\n            }\n\n            var shadingFill = Pattern.parseShading(\n              shading,\n              null,\n              xref,\n              resources,\n              self.handler,\n              self._pdfFunctionFactory,\n              localColorSpaceCache\n            );\n            var patternIR = shadingFill.getIR();\n            args = [patternIR];\n            fn = OPS.shadingFill;\n            break;\n          case OPS.setGState:\n            name = args[0].name;\n            if (name) {\n              const localGStateObj = localGStateCache.getByName(name);\n              if (localGStateObj) {\n                if (localGStateObj.length > 0) {\n                  operatorList.addOp(OPS.setGState, [localGStateObj]);\n                }\n                args = null;\n                continue;\n              }\n            }\n\n            next(\n              new Promise(function (resolveGState, rejectGState) {\n                if (!name) {\n                  throw new FormatError(\"GState must be referred to by name.\");\n                }\n\n                const extGState = resources.get(\"ExtGState\");\n                if (!(extGState instanceof Dict)) {\n                  throw new FormatError(\"ExtGState should be a dictionary.\");\n                }\n\n                const gState = extGState.get(name);\n                // TODO: Attempt to lookup cached GStates by reference as well,\n                //       if and only if there are PDF documents where doing so\n                //       would significantly improve performance.\n                if (!(gState instanceof Dict)) {\n                  throw new FormatError(\"GState should be a dictionary.\");\n                }\n\n                self\n                  .setGState({\n                    resources,\n                    gState,\n                    operatorList,\n                    cacheKey: name,\n                    task,\n                    stateManager,\n                    localGStateCache,\n                    localColorSpaceCache,\n                  })\n                  .then(resolveGState, rejectGState);\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the ExtGState -- sending unsupported feature\n                  // notification and allow parsing/rendering to continue.\n                  self.handler.send(\"UnsupportedFeature\", {\n                    featureId: UNSUPPORTED_FEATURES.errorExtGState,\n                  });\n                  warn(`getOperatorList - ignoring ExtGState: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.moveTo:\n          case OPS.lineTo:\n          case OPS.curveTo:\n          case OPS.curveTo2:\n          case OPS.curveTo3:\n          case OPS.closePath:\n          case OPS.rectangle:\n            self.buildPath(operatorList, fn, args, parsingText);\n            continue;\n          case OPS.markPoint:\n          case OPS.markPointProps:\n          case OPS.beginCompat:\n          case OPS.endCompat:\n            // Ignore operators where the corresponding handlers are known to\n            // be no-op in CanvasGraphics (display/canvas.js). This prevents\n            // serialization errors and is also a bit more efficient.\n            // We could also try to serialize all objects in a general way,\n            // e.g. as done in https://github.com/mozilla/pdf.js/pull/6266,\n            // but doing so is meaningless without knowing the semantics.\n            continue;\n          case OPS.beginMarkedContentProps:\n            if (!isName(args[0])) {\n              warn(`Expected name for beginMarkedContentProps arg0=${args[0]}`);\n              continue;\n            }\n            if (args[0].name === \"OC\") {\n              next(\n                self\n                  .parseMarkedContentProps(args[1], resources)\n                  .then(data => {\n                    operatorList.addOp(OPS.beginMarkedContentProps, [\n                      \"OC\",\n                      data,\n                    ]);\n                  })\n                  .catch(reason => {\n                    if (reason instanceof AbortException) {\n                      return;\n                    }\n                    if (self.options.ignoreErrors) {\n                      self.handler.send(\"UnsupportedFeature\", {\n                        featureId: UNSUPPORTED_FEATURES.errorMarkedContent,\n                      });\n                      warn(\n                        `getOperatorList - ignoring beginMarkedContentProps: \"${reason}\".`\n                      );\n                      return;\n                    }\n                    throw reason;\n                  })\n              );\n              return;\n            }\n            // Other marked content types aren't supported yet.\n            args = [args[0].name];\n\n            break;\n          case OPS.beginMarkedContent:\n          case OPS.endMarkedContent:\n          default:\n            // Note: Ignore the operator if it has `Dict` arguments, since\n            // those are non-serializable, otherwise postMessage will throw\n            // \"An object could not be cloned.\".\n            if (args !== null) {\n              for (i = 0, ii = args.length; i < ii; i++) {\n                if (args[i] instanceof Dict) {\n                  break;\n                }\n              }\n              if (i < ii) {\n                warn(\"getOperatorList - ignoring operator: \" + fn);\n                continue;\n              }\n            }\n        }\n        operatorList.addOp(fn, args);\n      }\n      if (stop) {\n        next(deferred);\n        return;\n      }\n      // Some PDFs don't close all restores inside object/form.\n      // Closing those for them.\n      closePendingRestoreOPS();\n      resolve();\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the OperatorList -- sending unsupported feature\n        // notification and allow rendering to continue.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorOperatorList,\n        });\n        warn(\n          `getOperatorList - ignoring errors during \"${task.name}\" ` +\n            `task: \"${reason}\".`\n        );\n\n        closePendingRestoreOPS();\n        return;\n      }\n      throw reason;\n    });\n  }\n\n  getTextContent({\n    stream,\n    task,\n    resources,\n    stateManager = null,\n    normalizeWhitespace = false,\n    combineTextItems = false,\n    sink,\n    seenStyles = Object.create(null),\n  }) {\n    // Ensure that `resources`/`stateManager` is correctly initialized,\n    // even if the provided parameter is e.g. `null`.\n    resources = resources || Dict.empty;\n    stateManager = stateManager || new StateManager(new TextState());\n\n    var WhitespaceRegexp = /\\s/g;\n\n    var textContent = {\n      items: [],\n      styles: Object.create(null),\n    };\n    var textContentItem = {\n      initialized: false,\n      str: [],\n      width: 0,\n      height: 0,\n      vertical: false,\n      lastAdvanceWidth: 0,\n      lastAdvanceHeight: 0,\n      textAdvanceScale: 0,\n      spaceWidth: 0,\n      fakeSpaceMin: Infinity,\n      fakeMultiSpaceMin: Infinity,\n      fakeMultiSpaceMax: -0,\n      textRunBreakAllowed: false,\n      transform: null,\n      fontName: null,\n    };\n    var SPACE_FACTOR = 0.3;\n    var MULTI_SPACE_FACTOR = 1.5;\n    var MULTI_SPACE_FACTOR_MAX = 4;\n\n    var self = this;\n    var xref = this.xref;\n\n    // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd.\n    var xobjs = null;\n    const emptyXObjectCache = new LocalImageCache();\n    const emptyGStateCache = new LocalGStateCache();\n\n    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);\n\n    var textState;\n\n    function ensureTextContentItem() {\n      if (textContentItem.initialized) {\n        return textContentItem;\n      }\n      var font = textState.font;\n      if (!(font.loadedName in seenStyles)) {\n        seenStyles[font.loadedName] = true;\n        textContent.styles[font.loadedName] = {\n          fontFamily: font.fallbackName,\n          ascent: font.ascent,\n          descent: font.descent,\n          vertical: font.vertical,\n        };\n      }\n      textContentItem.fontName = font.loadedName;\n\n      // 9.4.4 Text Space Details\n      var tsm = [\n        textState.fontSize * textState.textHScale,\n        0,\n        0,\n        textState.fontSize,\n        0,\n        textState.textRise,\n      ];\n\n      if (\n        font.isType3Font &&\n        textState.fontSize <= 1 &&\n        !isArrayEqual(textState.fontMatrix, FONT_IDENTITY_MATRIX)\n      ) {\n        const glyphHeight = font.bbox[3] - font.bbox[1];\n        if (glyphHeight > 0) {\n          tsm[3] *= glyphHeight * textState.fontMatrix[3];\n        }\n      }\n\n      var trm = Util.transform(\n        textState.ctm,\n        Util.transform(textState.textMatrix, tsm)\n      );\n      textContentItem.transform = trm;\n      if (!font.vertical) {\n        textContentItem.width = 0;\n        textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);\n        textContentItem.vertical = false;\n      } else {\n        textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);\n        textContentItem.height = 0;\n        textContentItem.vertical = true;\n      }\n\n      var a = textState.textLineMatrix[0];\n      var b = textState.textLineMatrix[1];\n      var scaleLineX = Math.sqrt(a * a + b * b);\n      a = textState.ctm[0];\n      b = textState.ctm[1];\n      var scaleCtmX = Math.sqrt(a * a + b * b);\n      textContentItem.textAdvanceScale = scaleCtmX * scaleLineX;\n      textContentItem.lastAdvanceWidth = 0;\n      textContentItem.lastAdvanceHeight = 0;\n\n      var spaceWidth = (font.spaceWidth / 1000) * textState.fontSize;\n      if (spaceWidth) {\n        textContentItem.spaceWidth = spaceWidth;\n        textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR;\n        textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR;\n        textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX;\n        // It's okay for monospace fonts to fake as much space as needed.\n        textContentItem.textRunBreakAllowed = !font.isMonospace;\n      } else {\n        textContentItem.spaceWidth = 0;\n        textContentItem.fakeSpaceMin = Infinity;\n        textContentItem.fakeMultiSpaceMin = Infinity;\n        textContentItem.fakeMultiSpaceMax = 0;\n        textContentItem.textRunBreakAllowed = false;\n      }\n\n      textContentItem.initialized = true;\n      return textContentItem;\n    }\n\n    function replaceWhitespace(str) {\n      // Replaces all whitespaces with standard spaces (0x20), to avoid\n      // alignment issues between the textLayer and the canvas if the text\n      // contains e.g. tabs (fixes issue6612.pdf).\n      var i = 0,\n        ii = str.length,\n        code;\n      while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7f) {\n        i++;\n      }\n      return i < ii ? str.replace(WhitespaceRegexp, \" \") : str;\n    }\n\n    function runBidiTransform(textChunk) {\n      var str = textChunk.str.join(\"\");\n      var bidiResult = bidi(str, -1, textChunk.vertical);\n      return {\n        str: normalizeWhitespace\n          ? replaceWhitespace(bidiResult.str)\n          : bidiResult.str,\n        dir: bidiResult.dir,\n        width: textChunk.width,\n        height: textChunk.height,\n        transform: textChunk.transform,\n        fontName: textChunk.fontName,\n      };\n    }\n\n    function handleSetFont(fontName, fontRef) {\n      return self\n        .loadFont(fontName, fontRef, resources)\n        .then(function (translated) {\n          textState.font = translated.font;\n          textState.fontMatrix =\n            translated.font.fontMatrix || FONT_IDENTITY_MATRIX;\n        });\n    }\n\n    function buildTextContentItem(chars) {\n      var font = textState.font;\n      var textChunk = ensureTextContentItem();\n      var width = 0;\n      var height = 0;\n      var glyphs = font.charsToGlyphs(chars);\n      for (var i = 0; i < glyphs.length; i++) {\n        var glyph = glyphs[i];\n        var glyphWidth = null;\n        if (font.vertical && glyph.vmetric) {\n          glyphWidth = glyph.vmetric[0];\n        } else {\n          glyphWidth = glyph.width;\n        }\n\n        var glyphUnicode = glyph.unicode;\n        var NormalizedUnicodes = getNormalizedUnicodes();\n        if (NormalizedUnicodes[glyphUnicode] !== undefined) {\n          glyphUnicode = NormalizedUnicodes[glyphUnicode];\n        }\n        glyphUnicode = reverseIfRtl(glyphUnicode);\n\n        var charSpacing = textState.charSpacing;\n        if (glyph.isSpace) {\n          var wordSpacing = textState.wordSpacing;\n          charSpacing += wordSpacing;\n          if (wordSpacing > 0) {\n            addFakeSpaces(wordSpacing, textChunk.str);\n          }\n        }\n\n        var tx = 0;\n        var ty = 0;\n        if (!font.vertical) {\n          var w0 = glyphWidth * textState.fontMatrix[0];\n          tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale;\n          width += tx;\n        } else {\n          var w1 = glyphWidth * textState.fontMatrix[0];\n          ty = w1 * textState.fontSize + charSpacing;\n          height += ty;\n        }\n        textState.translateTextMatrix(tx, ty);\n\n        textChunk.str.push(glyphUnicode);\n      }\n\n      if (!font.vertical) {\n        textChunk.lastAdvanceWidth = width;\n        textChunk.width += width;\n      } else {\n        textChunk.lastAdvanceHeight = height;\n        textChunk.height += Math.abs(height);\n      }\n\n      return textChunk;\n    }\n\n    function addFakeSpaces(width, strBuf) {\n      if (width < textContentItem.fakeSpaceMin) {\n        return;\n      }\n      if (width < textContentItem.fakeMultiSpaceMin) {\n        strBuf.push(\" \");\n        return;\n      }\n      var fakeSpaces = Math.round(width / textContentItem.spaceWidth);\n      while (fakeSpaces-- > 0) {\n        strBuf.push(\" \");\n      }\n    }\n\n    function flushTextContentItem() {\n      if (!textContentItem.initialized) {\n        return;\n      }\n\n      // Do final text scaling.\n      if (!textContentItem.vertical) {\n        textContentItem.width *= textContentItem.textAdvanceScale;\n      } else {\n        textContentItem.height *= textContentItem.textAdvanceScale;\n      }\n      textContent.items.push(runBidiTransform(textContentItem));\n\n      textContentItem.initialized = false;\n      textContentItem.str.length = 0;\n    }\n\n    function enqueueChunk() {\n      const length = textContent.items.length;\n      if (length > 0) {\n        sink.enqueue(textContent, length);\n        textContent.items = [];\n        textContent.styles = Object.create(null);\n      }\n    }\n\n    var timeSlotManager = new TimeSlotManager();\n\n    return new Promise(function promiseBody(resolve, reject) {\n      const next = function (promise) {\n        enqueueChunk();\n        Promise.all([promise, sink.ready]).then(function () {\n          try {\n            promiseBody(resolve, reject);\n          } catch (ex) {\n            reject(ex);\n          }\n        }, reject);\n      };\n      task.ensureNotTerminated();\n      timeSlotManager.reset();\n      var stop,\n        operation = {},\n        args = [];\n      while (!(stop = timeSlotManager.check())) {\n        // The arguments parsed by read() are not used beyond this loop, so\n        // we can reuse the same array on every iteration, thus avoiding\n        // unnecessary allocations.\n        args.length = 0;\n        operation.args = args;\n        if (!preprocessor.read(operation)) {\n          break;\n        }\n        textState = stateManager.state;\n        var fn = operation.fn;\n        args = operation.args;\n        var advance, diff;\n\n        switch (fn | 0) {\n          case OPS.setFont:\n            // Optimization to ignore multiple identical Tf commands.\n            var fontNameArg = args[0].name,\n              fontSizeArg = args[1];\n            if (\n              textState.font &&\n              fontNameArg === textState.fontName &&\n              fontSizeArg === textState.fontSize\n            ) {\n              break;\n            }\n\n            flushTextContentItem();\n            textState.fontName = fontNameArg;\n            textState.fontSize = fontSizeArg;\n            next(handleSetFont(fontNameArg, null));\n            return;\n          case OPS.setTextRise:\n            flushTextContentItem();\n            textState.textRise = args[0];\n            break;\n          case OPS.setHScale:\n            flushTextContentItem();\n            textState.textHScale = args[0] / 100;\n            break;\n          case OPS.setLeading:\n            flushTextContentItem();\n            textState.leading = args[0];\n            break;\n          case OPS.moveText:\n            // Optimization to treat same line movement as advance\n            var isSameTextLine = !textState.font\n              ? false\n              : (textState.font.vertical ? args[0] : args[1]) === 0;\n            advance = args[0] - args[1];\n            if (\n              combineTextItems &&\n              isSameTextLine &&\n              textContentItem.initialized &&\n              advance > 0 &&\n              advance <= textContentItem.fakeMultiSpaceMax\n            ) {\n              textState.translateTextLineMatrix(args[0], args[1]);\n              textContentItem.width +=\n                args[0] - textContentItem.lastAdvanceWidth;\n              textContentItem.height +=\n                args[1] - textContentItem.lastAdvanceHeight;\n              diff =\n                args[0] -\n                textContentItem.lastAdvanceWidth -\n                (args[1] - textContentItem.lastAdvanceHeight);\n              addFakeSpaces(diff, textContentItem.str);\n              break;\n            }\n\n            flushTextContentItem();\n            textState.translateTextLineMatrix(args[0], args[1]);\n            textState.textMatrix = textState.textLineMatrix.slice();\n            break;\n          case OPS.setLeadingMoveText:\n            flushTextContentItem();\n            textState.leading = -args[1];\n            textState.translateTextLineMatrix(args[0], args[1]);\n            textState.textMatrix = textState.textLineMatrix.slice();\n            break;\n          case OPS.nextLine:\n            flushTextContentItem();\n            textState.carriageReturn();\n            break;\n          case OPS.setTextMatrix:\n            // Optimization to treat same line movement as advance.\n            advance = textState.calcTextLineMatrixAdvance(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            if (\n              combineTextItems &&\n              advance !== null &&\n              textContentItem.initialized &&\n              advance.value > 0 &&\n              advance.value <= textContentItem.fakeMultiSpaceMax\n            ) {\n              textState.translateTextLineMatrix(advance.width, advance.height);\n              textContentItem.width +=\n                advance.width - textContentItem.lastAdvanceWidth;\n              textContentItem.height +=\n                advance.height - textContentItem.lastAdvanceHeight;\n              diff =\n                advance.width -\n                textContentItem.lastAdvanceWidth -\n                (advance.height - textContentItem.lastAdvanceHeight);\n              addFakeSpaces(diff, textContentItem.str);\n              break;\n            }\n\n            flushTextContentItem();\n            textState.setTextMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            textState.setTextLineMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.setCharSpacing:\n            textState.charSpacing = args[0];\n            break;\n          case OPS.setWordSpacing:\n            textState.wordSpacing = args[0];\n            break;\n          case OPS.beginText:\n            flushTextContentItem();\n            textState.textMatrix = IDENTITY_MATRIX.slice();\n            textState.textLineMatrix = IDENTITY_MATRIX.slice();\n            break;\n          case OPS.showSpacedText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            var items = args[0];\n            var offset;\n            for (var j = 0, jj = items.length; j < jj; j++) {\n              if (typeof items[j] === \"string\") {\n                buildTextContentItem(items[j]);\n              } else if (isNum(items[j])) {\n                ensureTextContentItem();\n\n                // PDF Specification 5.3.2 states:\n                // The number is expressed in thousandths of a unit of text\n                // space.\n                // This amount is subtracted from the current horizontal or\n                // vertical coordinate, depending on the writing mode.\n                // In the default coordinate system, a positive adjustment\n                // has the effect of moving the next glyph painted either to\n                // the left or down by the given amount.\n                advance = (items[j] * textState.fontSize) / 1000;\n                var breakTextRun = false;\n                if (textState.font.vertical) {\n                  offset = advance;\n                  textState.translateTextMatrix(0, offset);\n                  breakTextRun =\n                    textContentItem.textRunBreakAllowed &&\n                    advance > textContentItem.fakeMultiSpaceMax;\n                  if (!breakTextRun) {\n                    // Value needs to be added to height to paint down.\n                    textContentItem.height += offset;\n                  }\n                } else {\n                  advance = -advance;\n                  offset = advance * textState.textHScale;\n                  textState.translateTextMatrix(offset, 0);\n                  breakTextRun =\n                    textContentItem.textRunBreakAllowed &&\n                    advance > textContentItem.fakeMultiSpaceMax;\n                  if (!breakTextRun) {\n                    // Value needs to be subtracted from width to paint left.\n                    textContentItem.width += offset;\n                  }\n                }\n                if (breakTextRun) {\n                  flushTextContentItem();\n                } else if (advance > 0) {\n                  addFakeSpaces(advance, textContentItem.str);\n                }\n              }\n            }\n            break;\n          case OPS.showText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            buildTextContentItem(args[0]);\n            break;\n          case OPS.nextLineShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            flushTextContentItem();\n            textState.carriageReturn();\n            buildTextContentItem(args[0]);\n            break;\n          case OPS.nextLineSetSpacingShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            flushTextContentItem();\n            textState.wordSpacing = args[0];\n            textState.charSpacing = args[1];\n            textState.carriageReturn();\n            buildTextContentItem(args[2]);\n            break;\n          case OPS.paintXObject:\n            flushTextContentItem();\n            if (!xobjs) {\n              xobjs = resources.get(\"XObject\") || Dict.empty;\n            }\n\n            var name = args[0].name;\n            if (name && emptyXObjectCache.getByName(name)) {\n              break;\n            }\n\n            next(\n              new Promise(function (resolveXObject, rejectXObject) {\n                if (!name) {\n                  throw new FormatError(\"XObject must be referred to by name.\");\n                }\n\n                let xobj = xobjs.getRaw(name);\n                if (xobj instanceof Ref) {\n                  if (emptyXObjectCache.getByRef(xobj)) {\n                    resolveXObject();\n                    return;\n                  }\n\n                  xobj = xref.fetch(xobj);\n                }\n\n                if (!isStream(xobj)) {\n                  throw new FormatError(\"XObject should be a stream\");\n                }\n\n                const type = xobj.dict.get(\"Subtype\");\n                if (!isName(type)) {\n                  throw new FormatError(\"XObject should have a Name subtype\");\n                }\n\n                if (type.name !== \"Form\") {\n                  emptyXObjectCache.set(name, xobj.dict.objId, true);\n\n                  resolveXObject();\n                  return;\n                }\n\n                // Use a new `StateManager` to prevent incorrect positioning\n                // of textItems *after* the Form XObject, since errors in the\n                // data can otherwise prevent `restore` operators from\n                // executing.\n                // NOTE: Only an issue when `options.ignoreErrors === true`.\n                const currentState = stateManager.state.clone();\n                const xObjStateManager = new StateManager(currentState);\n\n                const matrix = xobj.dict.getArray(\"Matrix\");\n                if (Array.isArray(matrix) && matrix.length === 6) {\n                  xObjStateManager.transform(matrix);\n                }\n\n                // Enqueue the `textContent` chunk before parsing the /Form\n                // XObject.\n                enqueueChunk();\n                const sinkWrapper = {\n                  enqueueInvoked: false,\n\n                  enqueue(chunk, size) {\n                    this.enqueueInvoked = true;\n                    sink.enqueue(chunk, size);\n                  },\n\n                  get desiredSize() {\n                    return sink.desiredSize;\n                  },\n\n                  get ready() {\n                    return sink.ready;\n                  },\n                };\n\n                self\n                  .getTextContent({\n                    stream: xobj,\n                    task,\n                    resources: xobj.dict.get(\"Resources\") || resources,\n                    stateManager: xObjStateManager,\n                    normalizeWhitespace,\n                    combineTextItems,\n                    sink: sinkWrapper,\n                    seenStyles,\n                  })\n                  .then(function () {\n                    if (!sinkWrapper.enqueueInvoked) {\n                      emptyXObjectCache.set(name, xobj.dict.objId, true);\n                    }\n                    resolveXObject();\n                  }, rejectXObject);\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the XObject -- allow text-extraction to\n                  // continue.\n                  warn(`getTextContent - ignoring XObject: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.setGState:\n            name = args[0].name;\n            if (name && emptyGStateCache.getByName(name)) {\n              break;\n            }\n\n            next(\n              new Promise(function (resolveGState, rejectGState) {\n                if (!name) {\n                  throw new FormatError(\"GState must be referred to by name.\");\n                }\n\n                const extGState = resources.get(\"ExtGState\");\n                if (!(extGState instanceof Dict)) {\n                  throw new FormatError(\"ExtGState should be a dictionary.\");\n                }\n\n                const gState = extGState.get(name);\n                // TODO: Attempt to lookup cached GStates by reference as well,\n                //       if and only if there are PDF documents where doing so\n                //       would significantly improve performance.\n                if (!(gState instanceof Dict)) {\n                  throw new FormatError(\"GState should be a dictionary.\");\n                }\n\n                const gStateFont = gState.get(\"Font\");\n                if (!gStateFont) {\n                  emptyGStateCache.set(name, gState.objId, true);\n\n                  resolveGState();\n                  return;\n                }\n                flushTextContentItem();\n\n                textState.fontName = null;\n                textState.fontSize = gStateFont[1];\n                handleSetFont(null, gStateFont[0]).then(\n                  resolveGState,\n                  rejectGState\n                );\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the ExtGState -- allow text-extraction to\n                  // continue.\n                  warn(`getTextContent - ignoring ExtGState: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n        } // switch\n        if (textContent.items.length >= sink.desiredSize) {\n          // Wait for ready, if we reach highWaterMark.\n          stop = true;\n          break;\n        }\n      } // while\n      if (stop) {\n        next(deferred);\n        return;\n      }\n      flushTextContentItem();\n      enqueueChunk();\n      resolve();\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the TextContent -- allow text-extraction to continue.\n        warn(\n          `getTextContent - ignoring errors during \"${task.name}\" ` +\n            `task: \"${reason}\".`\n        );\n\n        flushTextContentItem();\n        enqueueChunk();\n        return;\n      }\n      throw reason;\n    });\n  }\n\n  extractDataStructures(dict, baseDict, properties) {\n    const xref = this.xref;\n    let cidToGidBytes;\n    // 9.10.2\n    var toUnicode = dict.get(\"ToUnicode\") || baseDict.get(\"ToUnicode\");\n    var toUnicodePromise = toUnicode\n      ? this.readToUnicode(toUnicode)\n      : Promise.resolve(undefined);\n\n    if (properties.composite) {\n      // CIDSystemInfo helps to match CID to glyphs\n      var cidSystemInfo = dict.get(\"CIDSystemInfo\");\n      if (isDict(cidSystemInfo)) {\n        properties.cidSystemInfo = {\n          registry: stringToPDFString(cidSystemInfo.get(\"Registry\")),\n          ordering: stringToPDFString(cidSystemInfo.get(\"Ordering\")),\n          supplement: cidSystemInfo.get(\"Supplement\"),\n        };\n      }\n\n      var cidToGidMap = dict.get(\"CIDToGIDMap\");\n      if (isStream(cidToGidMap)) {\n        cidToGidBytes = cidToGidMap.getBytes();\n      }\n    }\n\n    // Based on 9.6.6 of the spec the encoding can come from multiple places\n    // and depends on the font type. The base encoding and differences are\n    // read here, but the encoding that is actually used is chosen during\n    // glyph mapping in the font.\n    // TODO: Loading the built in encoding in the font would allow the\n    // differences to be merged in here not require us to hold on to it.\n    var differences = [];\n    var baseEncodingName = null;\n    var encoding;\n    if (dict.has(\"Encoding\")) {\n      encoding = dict.get(\"Encoding\");\n      if (isDict(encoding)) {\n        baseEncodingName = encoding.get(\"BaseEncoding\");\n        baseEncodingName = isName(baseEncodingName)\n          ? baseEncodingName.name\n          : null;\n        // Load the differences between the base and original\n        if (encoding.has(\"Differences\")) {\n          var diffEncoding = encoding.get(\"Differences\");\n          var index = 0;\n          for (var j = 0, jj = diffEncoding.length; j < jj; j++) {\n            var data = xref.fetchIfRef(diffEncoding[j]);\n            if (isNum(data)) {\n              index = data;\n            } else if (isName(data)) {\n              differences[index++] = data.name;\n            } else {\n              throw new FormatError(\n                `Invalid entry in 'Differences' array: ${data}`\n              );\n            }\n          }\n        }\n      } else if (isName(encoding)) {\n        baseEncodingName = encoding.name;\n      } else {\n        throw new FormatError(\"Encoding is not a Name nor a Dict\");\n      }\n      // According to table 114 if the encoding is a named encoding it must be\n      // one of these predefined encodings.\n      if (\n        baseEncodingName !== \"MacRomanEncoding\" &&\n        baseEncodingName !== \"MacExpertEncoding\" &&\n        baseEncodingName !== \"WinAnsiEncoding\"\n      ) {\n        baseEncodingName = null;\n      }\n    }\n\n    if (baseEncodingName) {\n      properties.defaultEncoding = getEncoding(baseEncodingName).slice();\n    } else {\n      var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n      var isNonsymbolicFont = !!(properties.flags & FontFlags.Nonsymbolic);\n      // According to \"Table 114\" in section \"9.6.6.1 General\" (under\n      // \"9.6.6 Character Encoding\") of the PDF specification, a Nonsymbolic\n      // font should use the `StandardEncoding` if no encoding is specified.\n      encoding = StandardEncoding;\n      if (properties.type === \"TrueType\" && !isNonsymbolicFont) {\n        encoding = WinAnsiEncoding;\n      }\n      // The Symbolic attribute can be misused for regular fonts\n      // Heuristic: we have to check if the font is a standard one also\n      if (isSymbolicFont) {\n        encoding = MacRomanEncoding;\n        if (!properties.file) {\n          if (/Symbol/i.test(properties.name)) {\n            encoding = SymbolSetEncoding;\n          } else if (/Dingbats|Wingdings/i.test(properties.name)) {\n            encoding = ZapfDingbatsEncoding;\n          }\n        }\n      }\n      properties.defaultEncoding = encoding;\n    }\n\n    properties.differences = differences;\n    properties.baseEncodingName = baseEncodingName;\n    properties.hasEncoding = !!baseEncodingName || differences.length > 0;\n    properties.dict = dict;\n    return toUnicodePromise\n      .then(readToUnicode => {\n        properties.toUnicode = readToUnicode;\n        return this.buildToUnicode(properties);\n      })\n      .then(builtToUnicode => {\n        properties.toUnicode = builtToUnicode;\n        if (cidToGidBytes) {\n          properties.cidToGidMap = this.readCidToGidMap(\n            cidToGidBytes,\n            builtToUnicode\n          );\n        }\n        return properties;\n      });\n  }\n\n  /**\n   * @returns {ToUnicodeMap}\n   * @private\n   */\n  _buildSimpleFontToUnicode(properties, forceGlyphs = false) {\n    assert(!properties.composite, \"Must be a simple font.\");\n\n    const toUnicode = [];\n    const encoding = properties.defaultEncoding.slice();\n    const baseEncodingName = properties.baseEncodingName;\n    // Merge in the differences array.\n    const differences = properties.differences;\n    for (const charcode in differences) {\n      const glyphName = differences[charcode];\n      if (glyphName === \".notdef\") {\n        // Skip .notdef to prevent rendering errors, e.g. boxes appearing\n        // where there should be spaces (fixes issue5256.pdf).\n        continue;\n      }\n      encoding[charcode] = glyphName;\n    }\n    const glyphsUnicodeMap = getGlyphsUnicode();\n    for (const charcode in encoding) {\n      // a) Map the character code to a character name.\n      let glyphName = encoding[charcode];\n      // b) Look up the character name in the Adobe Glyph List (see the\n      //    Bibliography) to obtain the corresponding Unicode value.\n      if (glyphName === \"\") {\n        continue;\n      } else if (glyphsUnicodeMap[glyphName] === undefined) {\n        // (undocumented) c) Few heuristics to recognize unknown glyphs\n        // NOTE: Adobe Reader does not do this step, but OSX Preview does\n        let code = 0;\n        switch (glyphName[0]) {\n          case \"G\": // Gxx glyph\n            if (glyphName.length === 3) {\n              code = parseInt(glyphName.substring(1), 16);\n            }\n            break;\n          case \"g\": // g00xx glyph\n            if (glyphName.length === 5) {\n              code = parseInt(glyphName.substring(1), 16);\n            }\n            break;\n          case \"C\": // Cdd{d} glyph\n          case \"c\": // cdd{d} glyph\n            if (glyphName.length >= 3 && glyphName.length <= 4) {\n              const codeStr = glyphName.substring(1);\n\n              if (forceGlyphs) {\n                code = parseInt(codeStr, 16);\n                break;\n              }\n              // Normally the Cdd{d}/cdd{d} glyphName format will contain\n              // regular, i.e. base 10, charCodes (see issue4550.pdf)...\n              code = +codeStr;\n\n              // ... however some PDF generators violate that assumption by\n              // containing glyph, i.e. base 16, codes instead.\n              // In that case we need to re-parse the *entire* encoding to\n              // prevent broken text-selection (fixes issue9655_reduced.pdf).\n              if (\n                Number.isNaN(code) &&\n                Number.isInteger(parseInt(codeStr, 16))\n              ) {\n                return this._buildSimpleFontToUnicode(\n                  properties,\n                  /* forceGlyphs */ true\n                );\n              }\n            }\n            break;\n          default:\n            // 'uniXXXX'/'uXXXX{XX}' glyphs\n            const unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n            if (unicode !== -1) {\n              code = unicode;\n            }\n        }\n        if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {\n          // If `baseEncodingName` is one the predefined encodings, and `code`\n          // equals `charcode`, using the glyph defined in the baseEncoding\n          // seems to yield a better `toUnicode` mapping (fixes issue 5070).\n          if (baseEncodingName && code === +charcode) {\n            const baseEncoding = getEncoding(baseEncodingName);\n            if (baseEncoding && (glyphName = baseEncoding[charcode])) {\n              toUnicode[charcode] = String.fromCharCode(\n                glyphsUnicodeMap[glyphName]\n              );\n              continue;\n            }\n          }\n          toUnicode[charcode] = String.fromCodePoint(code);\n        }\n        continue;\n      }\n      toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);\n    }\n    return new ToUnicodeMap(toUnicode);\n  }\n\n  /**\n   * Builds a char code to unicode map based on section 9.10 of the spec.\n   * @param {Object} properties Font properties object.\n   * @returns {Promise} A Promise that is resolved with a\n   *   {ToUnicodeMap|IdentityToUnicodeMap} object.\n   */\n  buildToUnicode(properties) {\n    properties.hasIncludedToUnicodeMap =\n      !!properties.toUnicode && properties.toUnicode.length > 0;\n\n    // Section 9.10.2 Mapping Character Codes to Unicode Values\n    if (properties.hasIncludedToUnicodeMap) {\n      // Some fonts contain incomplete ToUnicode data, causing issues with\n      // text-extraction. For simple fonts, containing encoding information,\n      // use a fallback ToUnicode map to improve this (fixes issue8229.pdf).\n      if (!properties.composite && properties.hasEncoding) {\n        properties.fallbackToUnicode = this._buildSimpleFontToUnicode(\n          properties\n        );\n      }\n\n      return Promise.resolve(properties.toUnicode);\n    }\n\n    // According to the spec if the font is a simple font we should only map\n    // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or\n    // the differences array only contains adobe standard or symbol set names,\n    // in pratice it seems better to always try to create a toUnicode map\n    // based of the default encoding.\n    if (!properties.composite /* is simple font */) {\n      return Promise.resolve(this._buildSimpleFontToUnicode(properties));\n    }\n\n    // If the font is a composite font that uses one of the predefined CMaps\n    // listed in Table 118 (except Identity–H and Identity–V) or whose\n    // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or\n    // Adobe-Korea1 character collection:\n    if (\n      properties.composite &&\n      ((properties.cMap.builtInCMap &&\n        !(properties.cMap instanceof IdentityCMap)) ||\n        (properties.cidSystemInfo.registry === \"Adobe\" &&\n          (properties.cidSystemInfo.ordering === \"GB1\" ||\n            properties.cidSystemInfo.ordering === \"CNS1\" ||\n            properties.cidSystemInfo.ordering === \"Japan1\" ||\n            properties.cidSystemInfo.ordering === \"Korea1\")))\n    ) {\n      // Then:\n      // a) Map the character code to a character identifier (CID) according\n      // to the font’s CMap.\n      // b) Obtain the registry and ordering of the character collection used\n      // by the font’s CMap (for example, Adobe and Japan1) from its\n      // CIDSystemInfo dictionary.\n      const registry = properties.cidSystemInfo.registry;\n      const ordering = properties.cidSystemInfo.ordering;\n      // c) Construct a second CMap name by concatenating the registry and\n      // ordering obtained in step (b) in the format registry–ordering–UCS2\n      // (for example, Adobe–Japan1–UCS2).\n      const ucs2CMapName = Name.get(registry + \"-\" + ordering + \"-UCS2\");\n      // d) Obtain the CMap with the name constructed in step (c) (available\n      // from the ASN Web site; see the Bibliography).\n      return CMapFactory.create({\n        encoding: ucs2CMapName,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (ucs2CMap) {\n        const cMap = properties.cMap;\n        const toUnicode = [];\n        cMap.forEach(function (charcode, cid) {\n          if (cid > 0xffff) {\n            throw new FormatError(\"Max size of CID is 65,535\");\n          }\n          // e) Map the CID obtained in step (a) according to the CMap\n          // obtained in step (d), producing a Unicode value.\n          const ucs2 = ucs2CMap.lookup(cid);\n          if (ucs2) {\n            toUnicode[charcode] = String.fromCharCode(\n              (ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1)\n            );\n          }\n        });\n        return new ToUnicodeMap(toUnicode);\n      });\n    }\n\n    // The viewer's choice, just use an identity map.\n    return Promise.resolve(\n      new IdentityToUnicodeMap(properties.firstChar, properties.lastChar)\n    );\n  }\n\n  readToUnicode(toUnicode) {\n    var cmapObj = toUnicode;\n    if (isName(cmapObj)) {\n      return CMapFactory.create({\n        encoding: cmapObj,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (cmap) {\n        if (cmap instanceof IdentityCMap) {\n          return new IdentityToUnicodeMap(0, 0xffff);\n        }\n        return new ToUnicodeMap(cmap.getMap());\n      });\n    } else if (isStream(cmapObj)) {\n      return CMapFactory.create({\n        encoding: cmapObj,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(\n        function (cmap) {\n          if (cmap instanceof IdentityCMap) {\n            return new IdentityToUnicodeMap(0, 0xffff);\n          }\n          var map = new Array(cmap.length);\n          // Convert UTF-16BE\n          // NOTE: cmap can be a sparse array, so use forEach instead of\n          // `for(;;)` to iterate over all keys.\n          cmap.forEach(function (charCode, token) {\n            var str = [];\n            for (var k = 0; k < token.length; k += 2) {\n              var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);\n              if ((w1 & 0xf800) !== 0xd800) {\n                // w1 < 0xD800 || w1 > 0xDFFF\n                str.push(w1);\n                continue;\n              }\n              k += 2;\n              var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);\n              str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);\n            }\n            map[charCode] = String.fromCodePoint.apply(String, str);\n          });\n          return new ToUnicodeMap(map);\n        },\n        reason => {\n          if (reason instanceof AbortException) {\n            return null;\n          }\n          if (this.options.ignoreErrors) {\n            // Error in the ToUnicode data -- sending unsupported feature\n            // notification and allow font parsing to continue.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorFontToUnicode,\n            });\n            warn(`readToUnicode - ignoring ToUnicode data: \"${reason}\".`);\n            return null;\n          }\n          throw reason;\n        }\n      );\n    }\n    return Promise.resolve(null);\n  }\n\n  readCidToGidMap(glyphsData, toUnicode) {\n    // Extract the encoding from the CIDToGIDMap\n\n    // Set encoding 0 to later verify the font has an encoding\n    var result = [];\n    for (var j = 0, jj = glyphsData.length; j < jj; j++) {\n      var glyphID = (glyphsData[j++] << 8) | glyphsData[j];\n      const code = j >> 1;\n      if (glyphID === 0 && !toUnicode.has(code)) {\n        continue;\n      }\n      result[code] = glyphID;\n    }\n    return result;\n  }\n\n  extractWidths(dict, descriptor, properties) {\n    var xref = this.xref;\n    var glyphsWidths = [];\n    var defaultWidth = 0;\n    var glyphsVMetrics = [];\n    var defaultVMetrics;\n    var i, ii, j, jj, start, code, widths;\n    if (properties.composite) {\n      defaultWidth = dict.has(\"DW\") ? dict.get(\"DW\") : 1000;\n\n      widths = dict.get(\"W\");\n      if (widths) {\n        for (i = 0, ii = widths.length; i < ii; i++) {\n          start = xref.fetchIfRef(widths[i++]);\n          code = xref.fetchIfRef(widths[i]);\n          if (Array.isArray(code)) {\n            for (j = 0, jj = code.length; j < jj; j++) {\n              glyphsWidths[start++] = xref.fetchIfRef(code[j]);\n            }\n          } else {\n            var width = xref.fetchIfRef(widths[++i]);\n            for (j = start; j <= code; j++) {\n              glyphsWidths[j] = width;\n            }\n          }\n        }\n      }\n\n      if (properties.vertical) {\n        var vmetrics = dict.getArray(\"DW2\") || [880, -1000];\n        defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];\n        vmetrics = dict.get(\"W2\");\n        if (vmetrics) {\n          for (i = 0, ii = vmetrics.length; i < ii; i++) {\n            start = xref.fetchIfRef(vmetrics[i++]);\n            code = xref.fetchIfRef(vmetrics[i]);\n            if (Array.isArray(code)) {\n              for (j = 0, jj = code.length; j < jj; j++) {\n                glyphsVMetrics[start++] = [\n                  xref.fetchIfRef(code[j++]),\n                  xref.fetchIfRef(code[j++]),\n                  xref.fetchIfRef(code[j]),\n                ];\n              }\n            } else {\n              var vmetric = [\n                xref.fetchIfRef(vmetrics[++i]),\n                xref.fetchIfRef(vmetrics[++i]),\n                xref.fetchIfRef(vmetrics[++i]),\n              ];\n              for (j = start; j <= code; j++) {\n                glyphsVMetrics[j] = vmetric;\n              }\n            }\n          }\n        }\n      }\n    } else {\n      var firstChar = properties.firstChar;\n      widths = dict.get(\"Widths\");\n      if (widths) {\n        j = firstChar;\n        for (i = 0, ii = widths.length; i < ii; i++) {\n          glyphsWidths[j++] = xref.fetchIfRef(widths[i]);\n        }\n        defaultWidth = parseFloat(descriptor.get(\"MissingWidth\")) || 0;\n      } else {\n        // Trying get the BaseFont metrics (see comment above).\n        var baseFontName = dict.get(\"BaseFont\");\n        if (isName(baseFontName)) {\n          var metrics = this.getBaseFontMetrics(baseFontName.name);\n\n          glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties);\n          defaultWidth = metrics.defaultWidth;\n        }\n      }\n    }\n\n    // Heuristic: detection of monospace font by checking all non-zero widths\n    var isMonospace = true;\n    var firstWidth = defaultWidth;\n    for (var glyph in glyphsWidths) {\n      var glyphWidth = glyphsWidths[glyph];\n      if (!glyphWidth) {\n        continue;\n      }\n      if (!firstWidth) {\n        firstWidth = glyphWidth;\n        continue;\n      }\n      if (firstWidth !== glyphWidth) {\n        isMonospace = false;\n        break;\n      }\n    }\n    if (isMonospace) {\n      properties.flags |= FontFlags.FixedPitch;\n    }\n\n    properties.defaultWidth = defaultWidth;\n    properties.widths = glyphsWidths;\n    properties.defaultVMetrics = defaultVMetrics;\n    properties.vmetrics = glyphsVMetrics;\n  }\n\n  isSerifFont(baseFontName) {\n    // Simulating descriptor flags attribute\n    var fontNameWoStyle = baseFontName.split(\"-\")[0];\n    return (\n      fontNameWoStyle in getSerifFonts() ||\n      fontNameWoStyle.search(/serif/gi) !== -1\n    );\n  }\n\n  getBaseFontMetrics(name) {\n    var defaultWidth = 0;\n    var widths = [];\n    var monospace = false;\n    var stdFontMap = getStdFontMap();\n    var lookupName = stdFontMap[name] || name;\n    var Metrics = getMetrics();\n\n    if (!(lookupName in Metrics)) {\n      // Use default fonts for looking up font metrics if the passed\n      // font is not a base font\n      if (this.isSerifFont(name)) {\n        lookupName = \"Times-Roman\";\n      } else {\n        lookupName = \"Helvetica\";\n      }\n    }\n    var glyphWidths = Metrics[lookupName];\n\n    if (isNum(glyphWidths)) {\n      defaultWidth = glyphWidths;\n      monospace = true;\n    } else {\n      widths = glyphWidths(); // expand lazy widths array\n    }\n\n    return {\n      defaultWidth,\n      monospace,\n      widths,\n    };\n  }\n\n  buildCharCodeToWidth(widthsByGlyphName, properties) {\n    var widths = Object.create(null);\n    var differences = properties.differences;\n    var encoding = properties.defaultEncoding;\n    for (var charCode = 0; charCode < 256; charCode++) {\n      if (charCode in differences && widthsByGlyphName[differences[charCode]]) {\n        widths[charCode] = widthsByGlyphName[differences[charCode]];\n        continue;\n      }\n      if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {\n        widths[charCode] = widthsByGlyphName[encoding[charCode]];\n        continue;\n      }\n    }\n    return widths;\n  }\n\n  preEvaluateFont(dict) {\n    var baseDict = dict;\n    var type = dict.get(\"Subtype\");\n    if (!isName(type)) {\n      throw new FormatError(\"invalid font Subtype\");\n    }\n\n    var composite = false;\n    var uint8array;\n    if (type.name === \"Type0\") {\n      // If font is a composite\n      //  - get the descendant font\n      //  - set the type according to the descendant font\n      //  - get the FontDescriptor from the descendant font\n      var df = dict.get(\"DescendantFonts\");\n      if (!df) {\n        throw new FormatError(\"Descendant fonts are not specified\");\n      }\n      dict = Array.isArray(df) ? this.xref.fetchIfRef(df[0]) : df;\n\n      type = dict.get(\"Subtype\");\n      if (!isName(type)) {\n        throw new FormatError(\"invalid font Subtype\");\n      }\n      composite = true;\n    }\n\n    var descriptor = dict.get(\"FontDescriptor\");\n    if (descriptor) {\n      var hash = new MurmurHash3_64();\n      var encoding = baseDict.getRaw(\"Encoding\");\n      if (isName(encoding)) {\n        hash.update(encoding.name);\n      } else if (isRef(encoding)) {\n        hash.update(encoding.toString());\n      } else if (isDict(encoding)) {\n        for (const entry of encoding.getRawValues()) {\n          if (isName(entry)) {\n            hash.update(entry.name);\n          } else if (isRef(entry)) {\n            hash.update(entry.toString());\n          } else if (Array.isArray(entry)) {\n            // 'Differences' array (fixes bug1157493.pdf).\n            var diffLength = entry.length,\n              diffBuf = new Array(diffLength);\n\n            for (var j = 0; j < diffLength; j++) {\n              var diffEntry = entry[j];\n              if (isName(diffEntry)) {\n                diffBuf[j] = diffEntry.name;\n              } else if (isNum(diffEntry) || isRef(diffEntry)) {\n                diffBuf[j] = diffEntry.toString();\n              }\n            }\n            hash.update(diffBuf.join());\n          }\n        }\n      }\n\n      const firstChar = dict.get(\"FirstChar\") || 0;\n      const lastChar = dict.get(\"LastChar\") || (composite ? 0xffff : 0xff);\n      hash.update(`${firstChar}-${lastChar}`);\n\n      var toUnicode = dict.get(\"ToUnicode\") || baseDict.get(\"ToUnicode\");\n      if (isStream(toUnicode)) {\n        var stream = toUnicode.str || toUnicode;\n        uint8array = stream.buffer\n          ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength)\n          : new Uint8Array(\n              stream.bytes.buffer,\n              stream.start,\n              stream.end - stream.start\n            );\n        hash.update(uint8array);\n      } else if (isName(toUnicode)) {\n        hash.update(toUnicode.name);\n      }\n\n      var widths = dict.get(\"Widths\") || baseDict.get(\"Widths\");\n      if (widths) {\n        uint8array = new Uint8Array(new Uint32Array(widths).buffer);\n        hash.update(uint8array);\n      }\n    }\n\n    return {\n      descriptor,\n      dict,\n      baseDict,\n      composite,\n      type: type.name,\n      hash: hash ? hash.hexdigest() : \"\",\n    };\n  }\n\n  translateFont(preEvaluatedFont) {\n    var baseDict = preEvaluatedFont.baseDict;\n    var dict = preEvaluatedFont.dict;\n    var composite = preEvaluatedFont.composite;\n    var descriptor = preEvaluatedFont.descriptor;\n    var type = preEvaluatedFont.type;\n    var maxCharIndex = composite ? 0xffff : 0xff;\n    var properties;\n    const firstChar = dict.get(\"FirstChar\") || 0;\n    const lastChar = dict.get(\"LastChar\") || maxCharIndex;\n\n    if (!descriptor) {\n      if (type === \"Type3\") {\n        // FontDescriptor is only required for Type3 fonts when the document\n        // is a tagged pdf. Create a barbebones one to get by.\n        descriptor = new Dict(null);\n        descriptor.set(\"FontName\", Name.get(type));\n        descriptor.set(\"FontBBox\", dict.getArray(\"FontBBox\") || [0, 0, 0, 0]);\n      } else {\n        // Before PDF 1.5 if the font was one of the base 14 fonts, having a\n        // FontDescriptor was not required.\n        // This case is here for compatibility.\n        var baseFontName = dict.get(\"BaseFont\");\n        if (!isName(baseFontName)) {\n          throw new FormatError(\"Base font is not specified\");\n        }\n\n        // Using base font name as a font name.\n        baseFontName = baseFontName.name.replace(/[,_]/g, \"-\");\n        var metrics = this.getBaseFontMetrics(baseFontName);\n\n        // Simulating descriptor flags attribute\n        var fontNameWoStyle = baseFontName.split(\"-\")[0];\n        var flags =\n          (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) |\n          (metrics.monospace ? FontFlags.FixedPitch : 0) |\n          (getSymbolsFonts()[fontNameWoStyle]\n            ? FontFlags.Symbolic\n            : FontFlags.Nonsymbolic);\n\n        properties = {\n          type,\n          name: baseFontName,\n          widths: metrics.widths,\n          defaultWidth: metrics.defaultWidth,\n          flags,\n          firstChar,\n          lastChar,\n        };\n        const widths = dict.get(\"Widths\");\n        return this.extractDataStructures(dict, dict, properties).then(\n          newProperties => {\n            if (widths) {\n              const glyphWidths = [];\n              let j = firstChar;\n              for (let i = 0, ii = widths.length; i < ii; i++) {\n                glyphWidths[j++] = this.xref.fetchIfRef(widths[i]);\n              }\n              newProperties.widths = glyphWidths;\n            } else {\n              newProperties.widths = this.buildCharCodeToWidth(\n                metrics.widths,\n                newProperties\n              );\n            }\n            return new Font(baseFontName, null, newProperties);\n          }\n        );\n      }\n    }\n\n    // According to the spec if 'FontDescriptor' is declared, 'FirstChar',\n    // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem\n    // to ignore this rule when a variant of a standard font is used.\n    // TODO Fill the width array depending on which of the base font this is\n    // a variant.\n\n    var fontName = descriptor.get(\"FontName\");\n    var baseFont = dict.get(\"BaseFont\");\n    // Some bad PDFs have a string as the font name.\n    if (isString(fontName)) {\n      fontName = Name.get(fontName);\n    }\n    if (isString(baseFont)) {\n      baseFont = Name.get(baseFont);\n    }\n\n    if (type !== \"Type3\") {\n      var fontNameStr = fontName && fontName.name;\n      var baseFontStr = baseFont && baseFont.name;\n      if (fontNameStr !== baseFontStr) {\n        info(\n          `The FontDescriptor\\'s FontName is \"${fontNameStr}\" but ` +\n            `should be the same as the Font\\'s BaseFont \"${baseFontStr}\".`\n        );\n        // Workaround for cases where e.g. fontNameStr = 'Arial' and\n        // baseFontStr = 'Arial,Bold' (needed when no font file is embedded).\n        if (fontNameStr && baseFontStr && baseFontStr.startsWith(fontNameStr)) {\n          fontName = baseFont;\n        }\n      }\n    }\n    fontName = fontName || baseFont;\n\n    if (!isName(fontName)) {\n      throw new FormatError(\"invalid font name\");\n    }\n\n    var fontFile = descriptor.get(\"FontFile\", \"FontFile2\", \"FontFile3\");\n    if (fontFile) {\n      if (fontFile.dict) {\n        var subtype = fontFile.dict.get(\"Subtype\");\n        if (subtype) {\n          subtype = subtype.name;\n        }\n        var length1 = fontFile.dict.get(\"Length1\");\n        var length2 = fontFile.dict.get(\"Length2\");\n        var length3 = fontFile.dict.get(\"Length3\");\n      }\n    }\n\n    properties = {\n      type,\n      name: fontName.name,\n      subtype,\n      file: fontFile,\n      length1,\n      length2,\n      length3,\n      loadedName: baseDict.loadedName,\n      composite,\n      fixedPitch: false,\n      fontMatrix: dict.getArray(\"FontMatrix\") || FONT_IDENTITY_MATRIX,\n      firstChar: firstChar || 0,\n      lastChar: lastChar || maxCharIndex,\n      bbox: descriptor.getArray(\"FontBBox\"),\n      ascent: descriptor.get(\"Ascent\"),\n      descent: descriptor.get(\"Descent\"),\n      xHeight: descriptor.get(\"XHeight\"),\n      capHeight: descriptor.get(\"CapHeight\"),\n      flags: descriptor.get(\"Flags\"),\n      italicAngle: descriptor.get(\"ItalicAngle\"),\n      isType3Font: false,\n    };\n\n    var cMapPromise;\n    if (composite) {\n      var cidEncoding = baseDict.get(\"Encoding\");\n      if (isName(cidEncoding)) {\n        properties.cidEncoding = cidEncoding.name;\n      }\n      cMapPromise = CMapFactory.create({\n        encoding: cidEncoding,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (cMap) {\n        properties.cMap = cMap;\n        properties.vertical = properties.cMap.vertical;\n      });\n    } else {\n      cMapPromise = Promise.resolve(undefined);\n    }\n\n    return cMapPromise\n      .then(() => {\n        return this.extractDataStructures(dict, baseDict, properties);\n      })\n      .then(newProperties => {\n        this.extractWidths(dict, descriptor, newProperties);\n\n        if (type === \"Type3\") {\n          newProperties.isType3Font = true;\n        }\n        return new Font(fontName.name, fontFile, newProperties);\n      });\n  }\n\n  static buildFontPaths(font, glyphs, handler) {\n    function buildPath(fontChar) {\n      if (font.renderer.hasBuiltPath(fontChar)) {\n        return;\n      }\n      handler.send(\"commonobj\", [\n        `${font.loadedName}_path_${fontChar}`,\n        \"FontPath\",\n        font.renderer.getPathJs(fontChar),\n      ]);\n    }\n\n    for (const glyph of glyphs) {\n      buildPath(glyph.fontChar);\n\n      // If the glyph has an accent we need to build a path for its\n      // fontChar too, otherwise CanvasGraphics_paintChar will fail.\n      const accent = glyph.accent;\n      if (accent && accent.fontChar) {\n        buildPath(accent.fontChar);\n      }\n    }\n  }\n\n  static get fallbackFontDict() {\n    const dict = new Dict();\n    dict.set(\"BaseFont\", Name.get(\"PDFJS-FallbackFont\"));\n    dict.set(\"Type\", Name.get(\"FallbackType\"));\n    dict.set(\"Subtype\", Name.get(\"FallbackType\"));\n    dict.set(\"Encoding\", Name.get(\"WinAnsiEncoding\"));\n\n    return shadow(this, \"fallbackFontDict\", dict);\n  }\n}\n\nclass TranslatedFont {\n  constructor({ loadedName, font, dict, extraProperties = false }) {\n    this.loadedName = loadedName;\n    this.font = font;\n    this.dict = dict;\n    this._extraProperties = extraProperties;\n    this.type3Loaded = null;\n    this.type3Dependencies = font.isType3Font ? new Set() : null;\n    this.sent = false;\n  }\n\n  send(handler) {\n    if (this.sent) {\n      return;\n    }\n    this.sent = true;\n\n    handler.send(\"commonobj\", [\n      this.loadedName,\n      \"Font\",\n      this.font.exportData(this._extraProperties),\n    ]);\n  }\n\n  fallback(handler) {\n    if (!this.font.data) {\n      return;\n    }\n    // When font loading failed, fall back to the built-in font renderer.\n    this.font.disableFontFace = true;\n    // An arbitrary number of text rendering operators could have been\n    // encountered between the point in time when the 'Font' message was sent\n    // to the main-thread, and the point in time when the 'FontFallback'\n    // message was received on the worker-thread.\n    // To ensure that all 'FontPath's are available on the main-thread, when\n    // font loading failed, attempt to resend *all* previously parsed glyphs.\n    const glyphs = this.font.glyphCacheValues;\n    PartialEvaluator.buildFontPaths(this.font, glyphs, handler);\n  }\n\n  loadType3Data(evaluator, resources, task) {\n    if (this.type3Loaded) {\n      return this.type3Loaded;\n    }\n    if (!this.font.isType3Font) {\n      throw new Error(\"Must be a Type3 font.\");\n    }\n    // When parsing Type3 glyphs, always ignore them if there are errors.\n    // Compared to the parsing of e.g. an entire page, it doesn't really\n    // make sense to only be able to render a Type3 glyph partially.\n    var type3Options = Object.create(evaluator.options);\n    type3Options.ignoreErrors = false;\n    var type3Evaluator = evaluator.clone(type3Options);\n    type3Evaluator.parsingType3Font = true;\n\n    const translatedFont = this.font,\n      type3Dependencies = this.type3Dependencies;\n    var loadCharProcsPromise = Promise.resolve();\n    var charProcs = this.dict.get(\"CharProcs\");\n    var fontResources = this.dict.get(\"Resources\") || resources;\n    var charProcOperatorList = Object.create(null);\n\n    for (const key of charProcs.getKeys()) {\n      loadCharProcsPromise = loadCharProcsPromise.then(function () {\n        var glyphStream = charProcs.get(key);\n        var operatorList = new OperatorList();\n        return type3Evaluator\n          .getOperatorList({\n            stream: glyphStream,\n            task,\n            resources: fontResources,\n            operatorList,\n          })\n          .then(function () {\n            charProcOperatorList[key] = operatorList.getIR();\n\n            for (const dependency of operatorList.dependencies) {\n              type3Dependencies.add(dependency);\n            }\n          })\n          .catch(function (reason) {\n            warn(`Type3 font resource \"${key}\" is not available.`);\n            const dummyOperatorList = new OperatorList();\n            charProcOperatorList[key] = dummyOperatorList.getIR();\n          });\n      });\n    }\n    this.type3Loaded = loadCharProcsPromise.then(function () {\n      translatedFont.charProcOperatorList = charProcOperatorList;\n    });\n    return this.type3Loaded;\n  }\n}\n\nclass StateManager {\n  constructor(initialState) {\n    this.state = initialState;\n    this.stateStack = [];\n  }\n\n  save() {\n    var old = this.state;\n    this.stateStack.push(this.state);\n    this.state = old.clone();\n  }\n\n  restore() {\n    var prev = this.stateStack.pop();\n    if (prev) {\n      this.state = prev;\n    }\n  }\n\n  transform(args) {\n    this.state.ctm = Util.transform(this.state.ctm, args);\n  }\n}\n\nclass TextState {\n  constructor() {\n    this.ctm = new Float32Array(IDENTITY_MATRIX);\n    this.fontName = null;\n    this.fontSize = 0;\n    this.font = null;\n    this.fontMatrix = FONT_IDENTITY_MATRIX;\n    this.textMatrix = IDENTITY_MATRIX.slice();\n    this.textLineMatrix = IDENTITY_MATRIX.slice();\n    this.charSpacing = 0;\n    this.wordSpacing = 0;\n    this.leading = 0;\n    this.textHScale = 1;\n    this.textRise = 0;\n  }\n\n  setTextMatrix(a, b, c, d, e, f) {\n    var m = this.textMatrix;\n    m[0] = a;\n    m[1] = b;\n    m[2] = c;\n    m[3] = d;\n    m[4] = e;\n    m[5] = f;\n  }\n\n  setTextLineMatrix(a, b, c, d, e, f) {\n    var m = this.textLineMatrix;\n    m[0] = a;\n    m[1] = b;\n    m[2] = c;\n    m[3] = d;\n    m[4] = e;\n    m[5] = f;\n  }\n\n  translateTextMatrix(x, y) {\n    var m = this.textMatrix;\n    m[4] = m[0] * x + m[2] * y + m[4];\n    m[5] = m[1] * x + m[3] * y + m[5];\n  }\n\n  translateTextLineMatrix(x, y) {\n    var m = this.textLineMatrix;\n    m[4] = m[0] * x + m[2] * y + m[4];\n    m[5] = m[1] * x + m[3] * y + m[5];\n  }\n\n  calcTextLineMatrixAdvance(a, b, c, d, e, f) {\n    var font = this.font;\n    if (!font) {\n      return null;\n    }\n    var m = this.textLineMatrix;\n    if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) {\n      return null;\n    }\n    var txDiff = e - m[4],\n      tyDiff = f - m[5];\n    if ((font.vertical && txDiff !== 0) || (!font.vertical && tyDiff !== 0)) {\n      return null;\n    }\n    var tx,\n      ty,\n      denominator = a * d - b * c;\n    if (font.vertical) {\n      tx = (-tyDiff * c) / denominator;\n      ty = (tyDiff * a) / denominator;\n    } else {\n      tx = (txDiff * d) / denominator;\n      ty = (-txDiff * b) / denominator;\n    }\n    return { width: tx, height: ty, value: font.vertical ? ty : tx };\n  }\n\n  calcRenderMatrix(ctm) {\n    // 9.4.4 Text Space Details\n    var tsm = [\n      this.fontSize * this.textHScale,\n      0,\n      0,\n      this.fontSize,\n      0,\n      this.textRise,\n    ];\n    return Util.transform(ctm, Util.transform(this.textMatrix, tsm));\n  }\n\n  carriageReturn() {\n    this.translateTextLineMatrix(0, -this.leading);\n    this.textMatrix = this.textLineMatrix.slice();\n  }\n\n  clone() {\n    var clone = Object.create(this);\n    clone.textMatrix = this.textMatrix.slice();\n    clone.textLineMatrix = this.textLineMatrix.slice();\n    clone.fontMatrix = this.fontMatrix.slice();\n    return clone;\n  }\n}\n\nclass EvalState {\n  constructor() {\n    this.ctm = new Float32Array(IDENTITY_MATRIX);\n    this.font = null;\n    this.textRenderingMode = TextRenderingMode.FILL;\n    this.fillColorSpace = ColorSpace.singletons.gray;\n    this.strokeColorSpace = ColorSpace.singletons.gray;\n  }\n\n  clone() {\n    return Object.create(this);\n  }\n}\n\nclass EvaluatorPreprocessor {\n  static get opMap() {\n    // Specifies properties for each command\n    //\n    // If variableArgs === true: [0, `numArgs`] expected\n    // If variableArgs === false: exactly `numArgs` expected\n    const getOPMap = getLookupTableFactory(function (t) {\n      // Graphic state\n      t.w = { id: OPS.setLineWidth, numArgs: 1, variableArgs: false };\n      t.J = { id: OPS.setLineCap, numArgs: 1, variableArgs: false };\n      t.j = { id: OPS.setLineJoin, numArgs: 1, variableArgs: false };\n      t.M = { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false };\n      t.d = { id: OPS.setDash, numArgs: 2, variableArgs: false };\n      t.ri = { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false };\n      t.i = { id: OPS.setFlatness, numArgs: 1, variableArgs: false };\n      t.gs = { id: OPS.setGState, numArgs: 1, variableArgs: false };\n      t.q = { id: OPS.save, numArgs: 0, variableArgs: false };\n      t.Q = { id: OPS.restore, numArgs: 0, variableArgs: false };\n      t.cm = { id: OPS.transform, numArgs: 6, variableArgs: false };\n\n      // Path\n      t.m = { id: OPS.moveTo, numArgs: 2, variableArgs: false };\n      t.l = { id: OPS.lineTo, numArgs: 2, variableArgs: false };\n      t.c = { id: OPS.curveTo, numArgs: 6, variableArgs: false };\n      t.v = { id: OPS.curveTo2, numArgs: 4, variableArgs: false };\n      t.y = { id: OPS.curveTo3, numArgs: 4, variableArgs: false };\n      t.h = { id: OPS.closePath, numArgs: 0, variableArgs: false };\n      t.re = { id: OPS.rectangle, numArgs: 4, variableArgs: false };\n      t.S = { id: OPS.stroke, numArgs: 0, variableArgs: false };\n      t.s = { id: OPS.closeStroke, numArgs: 0, variableArgs: false };\n      t.f = { id: OPS.fill, numArgs: 0, variableArgs: false };\n      t.F = { id: OPS.fill, numArgs: 0, variableArgs: false };\n      t[\"f*\"] = { id: OPS.eoFill, numArgs: 0, variableArgs: false };\n      t.B = { id: OPS.fillStroke, numArgs: 0, variableArgs: false };\n      t[\"B*\"] = { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false };\n      t.b = { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false };\n      t[\"b*\"] = { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false };\n      t.n = { id: OPS.endPath, numArgs: 0, variableArgs: false };\n\n      // Clipping\n      t.W = { id: OPS.clip, numArgs: 0, variableArgs: false };\n      t[\"W*\"] = { id: OPS.eoClip, numArgs: 0, variableArgs: false };\n\n      // Text\n      t.BT = { id: OPS.beginText, numArgs: 0, variableArgs: false };\n      t.ET = { id: OPS.endText, numArgs: 0, variableArgs: false };\n      t.Tc = { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false };\n      t.Tw = { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false };\n      t.Tz = { id: OPS.setHScale, numArgs: 1, variableArgs: false };\n      t.TL = { id: OPS.setLeading, numArgs: 1, variableArgs: false };\n      t.Tf = { id: OPS.setFont, numArgs: 2, variableArgs: false };\n      t.Tr = { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false };\n      t.Ts = { id: OPS.setTextRise, numArgs: 1, variableArgs: false };\n      t.Td = { id: OPS.moveText, numArgs: 2, variableArgs: false };\n      t.TD = { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false };\n      t.Tm = { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false };\n      t[\"T*\"] = { id: OPS.nextLine, numArgs: 0, variableArgs: false };\n      t.Tj = { id: OPS.showText, numArgs: 1, variableArgs: false };\n      t.TJ = { id: OPS.showSpacedText, numArgs: 1, variableArgs: false };\n      t[\"'\"] = { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false };\n      t['\"'] = {\n        id: OPS.nextLineSetSpacingShowText,\n        numArgs: 3,\n        variableArgs: false,\n      };\n\n      // Type3 fonts\n      t.d0 = { id: OPS.setCharWidth, numArgs: 2, variableArgs: false };\n      t.d1 = {\n        id: OPS.setCharWidthAndBounds,\n        numArgs: 6,\n        variableArgs: false,\n      };\n\n      // Color\n      t.CS = { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false };\n      t.cs = { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false };\n      t.SC = { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true };\n      t.SCN = { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true };\n      t.sc = { id: OPS.setFillColor, numArgs: 4, variableArgs: true };\n      t.scn = { id: OPS.setFillColorN, numArgs: 33, variableArgs: true };\n      t.G = { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false };\n      t.g = { id: OPS.setFillGray, numArgs: 1, variableArgs: false };\n      t.RG = { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false };\n      t.rg = { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false };\n      t.K = { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false };\n      t.k = { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false };\n\n      // Shading\n      t.sh = { id: OPS.shadingFill, numArgs: 1, variableArgs: false };\n\n      // Images\n      t.BI = { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false };\n      t.ID = { id: OPS.beginImageData, numArgs: 0, variableArgs: false };\n      t.EI = { id: OPS.endInlineImage, numArgs: 1, variableArgs: false };\n\n      // XObjects\n      t.Do = { id: OPS.paintXObject, numArgs: 1, variableArgs: false };\n      t.MP = { id: OPS.markPoint, numArgs: 1, variableArgs: false };\n      t.DP = { id: OPS.markPointProps, numArgs: 2, variableArgs: false };\n      t.BMC = { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false };\n      t.BDC = {\n        id: OPS.beginMarkedContentProps,\n        numArgs: 2,\n        variableArgs: false,\n      };\n      t.EMC = { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false };\n\n      // Compatibility\n      t.BX = { id: OPS.beginCompat, numArgs: 0, variableArgs: false };\n      t.EX = { id: OPS.endCompat, numArgs: 0, variableArgs: false };\n\n      // (reserved partial commands for the lexer)\n      t.BM = null;\n      t.BD = null;\n      t.true = null;\n      t.fa = null;\n      t.fal = null;\n      t.fals = null;\n      t.false = null;\n      t.nu = null;\n      t.nul = null;\n      t.null = null;\n    });\n\n    return shadow(this, \"opMap\", getOPMap());\n  }\n\n  static get MAX_INVALID_PATH_OPS() {\n    return shadow(this, \"MAX_INVALID_PATH_OPS\", 20);\n  }\n\n  constructor(stream, xref, stateManager) {\n    // TODO(mduan): pass array of knownCommands rather than this.opMap\n    // dictionary\n    this.parser = new Parser({\n      lexer: new Lexer(stream, EvaluatorPreprocessor.opMap),\n      xref,\n    });\n    this.stateManager = stateManager;\n    this.nonProcessedArgs = [];\n    this._numInvalidPathOPS = 0;\n  }\n\n  get savedStatesDepth() {\n    return this.stateManager.stateStack.length;\n  }\n\n  // |operation| is an object with two fields:\n  //\n  // - |fn| is an out param.\n  //\n  // - |args| is an inout param. On entry, it should have one of two values.\n  //\n  //   - An empty array. This indicates that the caller is providing the\n  //     array in which the args will be stored in. The caller should use\n  //     this value if it can reuse a single array for each call to read().\n  //\n  //   - |null|. This indicates that the caller needs this function to create\n  //     the array in which any args are stored in. If there are zero args,\n  //     this function will leave |operation.args| as |null| (thus avoiding\n  //     allocations that would occur if we used an empty array to represent\n  //     zero arguments). Otherwise, it will replace |null| with a new array\n  //     containing the arguments. The caller should use this value if it\n  //     cannot reuse an array for each call to read().\n  //\n  // These two modes are present because this function is very hot and so\n  // avoiding allocations where possible is worthwhile.\n  //\n  read(operation) {\n    var args = operation.args;\n    while (true) {\n      var obj = this.parser.getObj();\n      if (obj instanceof Cmd) {\n        var cmd = obj.cmd;\n        // Check that the command is valid\n        var opSpec = EvaluatorPreprocessor.opMap[cmd];\n        if (!opSpec) {\n          warn(`Unknown command \"${cmd}\".`);\n          continue;\n        }\n\n        var fn = opSpec.id;\n        var numArgs = opSpec.numArgs;\n        var argsLength = args !== null ? args.length : 0;\n\n        if (!opSpec.variableArgs) {\n          // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf\n          if (argsLength !== numArgs) {\n            var nonProcessedArgs = this.nonProcessedArgs;\n            while (argsLength > numArgs) {\n              nonProcessedArgs.push(args.shift());\n              argsLength--;\n            }\n            while (argsLength < numArgs && nonProcessedArgs.length !== 0) {\n              if (args === null) {\n                args = [];\n              }\n              args.unshift(nonProcessedArgs.pop());\n              argsLength++;\n            }\n          }\n\n          if (argsLength < numArgs) {\n            const partialMsg =\n              `command ${cmd}: expected ${numArgs} args, ` +\n              `but received ${argsLength} args.`;\n\n            // Incomplete path operators, in particular, can result in fairly\n            // chaotic rendering artifacts. Hence the following heuristics is\n            // used to error, rather than just warn, once a number of invalid\n            // path operators have been encountered (fixes bug1443140.pdf).\n            if (\n              fn >= OPS.moveTo &&\n              fn <= OPS.endPath && // Path operator\n              ++this._numInvalidPathOPS >\n                EvaluatorPreprocessor.MAX_INVALID_PATH_OPS\n            ) {\n              throw new FormatError(`Invalid ${partialMsg}`);\n            }\n            // If we receive too few arguments, it's not possible to execute\n            // the command, hence we skip the command.\n            warn(`Skipping ${partialMsg}`);\n            if (args !== null) {\n              args.length = 0;\n            }\n            continue;\n          }\n        } else if (argsLength > numArgs) {\n          info(\n            `Command ${cmd}: expected [0, ${numArgs}] args, ` +\n              `but received ${argsLength} args.`\n          );\n        }\n\n        // TODO figure out how to type-check vararg functions\n        this.preprocessCommand(fn, args);\n\n        operation.fn = fn;\n        operation.args = args;\n        return true;\n      }\n      if (obj === EOF) {\n        return false; // no more commands\n      }\n      // argument\n      if (obj !== null) {\n        if (args === null) {\n          args = [];\n        }\n        args.push(obj);\n        if (args.length > 33) {\n          throw new FormatError(\"Too many arguments\");\n        }\n      }\n    }\n  }\n\n  preprocessCommand(fn, args) {\n    switch (fn | 0) {\n      case OPS.save:\n        this.stateManager.save();\n        break;\n      case OPS.restore:\n        this.stateManager.restore();\n        break;\n      case OPS.transform:\n        this.stateManager.transform(args);\n        break;\n    }\n  }\n}\n\nexport { PartialEvaluator };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CMapCompressionType,\n  FormatError,\n  isString,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { isCmd, isEOF, isName, isStream } from \"./primitives.js\";\nimport { Lexer } from \"./parser.js\";\nimport { MissingDataException } from \"./core_utils.js\";\nimport { Stream } from \"./stream.js\";\n\nvar BUILT_IN_CMAPS = [\n  // << Start unicode maps.\n  \"Adobe-GB1-UCS2\",\n  \"Adobe-CNS1-UCS2\",\n  \"Adobe-Japan1-UCS2\",\n  \"Adobe-Korea1-UCS2\",\n  // >> End unicode maps.\n  \"78-EUC-H\",\n  \"78-EUC-V\",\n  \"78-H\",\n  \"78-RKSJ-H\",\n  \"78-RKSJ-V\",\n  \"78-V\",\n  \"78ms-RKSJ-H\",\n  \"78ms-RKSJ-V\",\n  \"83pv-RKSJ-H\",\n  \"90ms-RKSJ-H\",\n  \"90ms-RKSJ-V\",\n  \"90msp-RKSJ-H\",\n  \"90msp-RKSJ-V\",\n  \"90pv-RKSJ-H\",\n  \"90pv-RKSJ-V\",\n  \"Add-H\",\n  \"Add-RKSJ-H\",\n  \"Add-RKSJ-V\",\n  \"Add-V\",\n  \"Adobe-CNS1-0\",\n  \"Adobe-CNS1-1\",\n  \"Adobe-CNS1-2\",\n  \"Adobe-CNS1-3\",\n  \"Adobe-CNS1-4\",\n  \"Adobe-CNS1-5\",\n  \"Adobe-CNS1-6\",\n  \"Adobe-GB1-0\",\n  \"Adobe-GB1-1\",\n  \"Adobe-GB1-2\",\n  \"Adobe-GB1-3\",\n  \"Adobe-GB1-4\",\n  \"Adobe-GB1-5\",\n  \"Adobe-Japan1-0\",\n  \"Adobe-Japan1-1\",\n  \"Adobe-Japan1-2\",\n  \"Adobe-Japan1-3\",\n  \"Adobe-Japan1-4\",\n  \"Adobe-Japan1-5\",\n  \"Adobe-Japan1-6\",\n  \"Adobe-Korea1-0\",\n  \"Adobe-Korea1-1\",\n  \"Adobe-Korea1-2\",\n  \"B5-H\",\n  \"B5-V\",\n  \"B5pc-H\",\n  \"B5pc-V\",\n  \"CNS-EUC-H\",\n  \"CNS-EUC-V\",\n  \"CNS1-H\",\n  \"CNS1-V\",\n  \"CNS2-H\",\n  \"CNS2-V\",\n  \"ETHK-B5-H\",\n  \"ETHK-B5-V\",\n  \"ETen-B5-H\",\n  \"ETen-B5-V\",\n  \"ETenms-B5-H\",\n  \"ETenms-B5-V\",\n  \"EUC-H\",\n  \"EUC-V\",\n  \"Ext-H\",\n  \"Ext-RKSJ-H\",\n  \"Ext-RKSJ-V\",\n  \"Ext-V\",\n  \"GB-EUC-H\",\n  \"GB-EUC-V\",\n  \"GB-H\",\n  \"GB-V\",\n  \"GBK-EUC-H\",\n  \"GBK-EUC-V\",\n  \"GBK2K-H\",\n  \"GBK2K-V\",\n  \"GBKp-EUC-H\",\n  \"GBKp-EUC-V\",\n  \"GBT-EUC-H\",\n  \"GBT-EUC-V\",\n  \"GBT-H\",\n  \"GBT-V\",\n  \"GBTpc-EUC-H\",\n  \"GBTpc-EUC-V\",\n  \"GBpc-EUC-H\",\n  \"GBpc-EUC-V\",\n  \"H\",\n  \"HKdla-B5-H\",\n  \"HKdla-B5-V\",\n  \"HKdlb-B5-H\",\n  \"HKdlb-B5-V\",\n  \"HKgccs-B5-H\",\n  \"HKgccs-B5-V\",\n  \"HKm314-B5-H\",\n  \"HKm314-B5-V\",\n  \"HKm471-B5-H\",\n  \"HKm471-B5-V\",\n  \"HKscs-B5-H\",\n  \"HKscs-B5-V\",\n  \"Hankaku\",\n  \"Hiragana\",\n  \"KSC-EUC-H\",\n  \"KSC-EUC-V\",\n  \"KSC-H\",\n  \"KSC-Johab-H\",\n  \"KSC-Johab-V\",\n  \"KSC-V\",\n  \"KSCms-UHC-H\",\n  \"KSCms-UHC-HW-H\",\n  \"KSCms-UHC-HW-V\",\n  \"KSCms-UHC-V\",\n  \"KSCpc-EUC-H\",\n  \"KSCpc-EUC-V\",\n  \"Katakana\",\n  \"NWP-H\",\n  \"NWP-V\",\n  \"RKSJ-H\",\n  \"RKSJ-V\",\n  \"Roman\",\n  \"UniCNS-UCS2-H\",\n  \"UniCNS-UCS2-V\",\n  \"UniCNS-UTF16-H\",\n  \"UniCNS-UTF16-V\",\n  \"UniCNS-UTF32-H\",\n  \"UniCNS-UTF32-V\",\n  \"UniCNS-UTF8-H\",\n  \"UniCNS-UTF8-V\",\n  \"UniGB-UCS2-H\",\n  \"UniGB-UCS2-V\",\n  \"UniGB-UTF16-H\",\n  \"UniGB-UTF16-V\",\n  \"UniGB-UTF32-H\",\n  \"UniGB-UTF32-V\",\n  \"UniGB-UTF8-H\",\n  \"UniGB-UTF8-V\",\n  \"UniJIS-UCS2-H\",\n  \"UniJIS-UCS2-HW-H\",\n  \"UniJIS-UCS2-HW-V\",\n  \"UniJIS-UCS2-V\",\n  \"UniJIS-UTF16-H\",\n  \"UniJIS-UTF16-V\",\n  \"UniJIS-UTF32-H\",\n  \"UniJIS-UTF32-V\",\n  \"UniJIS-UTF8-H\",\n  \"UniJIS-UTF8-V\",\n  \"UniJIS2004-UTF16-H\",\n  \"UniJIS2004-UTF16-V\",\n  \"UniJIS2004-UTF32-H\",\n  \"UniJIS2004-UTF32-V\",\n  \"UniJIS2004-UTF8-H\",\n  \"UniJIS2004-UTF8-V\",\n  \"UniJISPro-UCS2-HW-V\",\n  \"UniJISPro-UCS2-V\",\n  \"UniJISPro-UTF8-V\",\n  \"UniJISX0213-UTF32-H\",\n  \"UniJISX0213-UTF32-V\",\n  \"UniJISX02132004-UTF32-H\",\n  \"UniJISX02132004-UTF32-V\",\n  \"UniKS-UCS2-H\",\n  \"UniKS-UCS2-V\",\n  \"UniKS-UTF16-H\",\n  \"UniKS-UTF16-V\",\n  \"UniKS-UTF32-H\",\n  \"UniKS-UTF32-V\",\n  \"UniKS-UTF8-H\",\n  \"UniKS-UTF8-V\",\n  \"V\",\n  \"WP-Symbol\",\n];\n\n// Heuristic to avoid hanging the worker-thread for CMap data with ridiculously\n// large ranges, such as e.g. 0xFFFFFFFF (fixes issue11922_reduced.pdf).\nconst MAX_MAP_RANGE = 2 ** 24 - 1; // = 0xFFFFFF\n\n// CMap, not to be confused with TrueType's cmap.\nclass CMap {\n  constructor(builtInCMap = false) {\n    // Codespace ranges are stored as follows:\n    // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]]\n    // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...]\n    this.codespaceRanges = [[], [], [], []];\n    this.numCodespaceRanges = 0;\n    // Map entries have one of two forms.\n    // - cid chars are 16-bit unsigned integers, stored as integers.\n    // - bf chars are variable-length byte sequences, stored as strings, with\n    //   one byte per character.\n    this._map = [];\n    this.name = \"\";\n    this.vertical = false;\n    this.useCMap = null;\n    this.builtInCMap = builtInCMap;\n  }\n\n  addCodespaceRange(n, low, high) {\n    this.codespaceRanges[n - 1].push(low, high);\n    this.numCodespaceRanges++;\n  }\n\n  mapCidRange(low, high, dstLow) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapCidRange - ignoring data above MAX_MAP_RANGE.\");\n    }\n    while (low <= high) {\n      this._map[low++] = dstLow++;\n    }\n  }\n\n  mapBfRange(low, high, dstLow) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapBfRange - ignoring data above MAX_MAP_RANGE.\");\n    }\n    var lastByte = dstLow.length - 1;\n    while (low <= high) {\n      this._map[low++] = dstLow;\n      // Only the last byte has to be incremented.\n      dstLow =\n        dstLow.substring(0, lastByte) +\n        String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);\n    }\n  }\n\n  mapBfRangeToArray(low, high, array) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.\");\n    }\n    const ii = array.length;\n    let i = 0;\n    while (low <= high && i < ii) {\n      this._map[low] = array[i++];\n      ++low;\n    }\n  }\n\n  // This is used for both bf and cid chars.\n  mapOne(src, dst) {\n    this._map[src] = dst;\n  }\n\n  lookup(code) {\n    return this._map[code];\n  }\n\n  contains(code) {\n    return this._map[code] !== undefined;\n  }\n\n  forEach(callback) {\n    // Most maps have fewer than 65536 entries, and for those we use normal\n    // array iteration. But really sparse tables are possible -- e.g. with\n    // indices in the *billions*. For such tables we use for..in, which isn't\n    // ideal because it stringifies the indices for all present elements, but\n    // it does avoid iterating over every undefined entry.\n    const map = this._map;\n    const length = map.length;\n    if (length <= 0x10000) {\n      for (let i = 0; i < length; i++) {\n        if (map[i] !== undefined) {\n          callback(i, map[i]);\n        }\n      }\n    } else {\n      for (const i in map) {\n        callback(i, map[i]);\n      }\n    }\n  }\n\n  charCodeOf(value) {\n    // `Array.prototype.indexOf` is *extremely* inefficient for arrays which\n    // are both very sparse and very large (see issue8372.pdf).\n    const map = this._map;\n    if (map.length <= 0x10000) {\n      return map.indexOf(value);\n    }\n    for (const charCode in map) {\n      if (map[charCode] === value) {\n        return charCode | 0;\n      }\n    }\n    return -1;\n  }\n\n  getMap() {\n    return this._map;\n  }\n\n  readCharCode(str, offset, out) {\n    let c = 0;\n    const codespaceRanges = this.codespaceRanges;\n    // 9.7.6.2 CMap Mapping\n    // The code length is at most 4.\n    for (let n = 0, nn = codespaceRanges.length; n < nn; n++) {\n      c = ((c << 8) | str.charCodeAt(offset + n)) >>> 0;\n      // Check each codespace range to see if it falls within.\n      const codespaceRange = codespaceRanges[n];\n      for (let k = 0, kk = codespaceRange.length; k < kk; ) {\n        const low = codespaceRange[k++];\n        const high = codespaceRange[k++];\n        if (c >= low && c <= high) {\n          out.charcode = c;\n          out.length = n + 1;\n          return;\n        }\n      }\n    }\n    out.charcode = 0;\n    out.length = 1;\n  }\n\n  get length() {\n    return this._map.length;\n  }\n\n  get isIdentityCMap() {\n    if (!(this.name === \"Identity-H\" || this.name === \"Identity-V\")) {\n      return false;\n    }\n    if (this._map.length !== 0x10000) {\n      return false;\n    }\n    for (let i = 0; i < 0x10000; i++) {\n      if (this._map[i] !== i) {\n        return false;\n      }\n    }\n    return true;\n  }\n}\n\n// A special case of CMap, where the _map array implicitly has a length of\n// 65536 and each element is equal to its index.\nclass IdentityCMap extends CMap {\n  constructor(vertical, n) {\n    super();\n\n    this.vertical = vertical;\n    this.addCodespaceRange(n, 0, 0xffff);\n  }\n\n  mapCidRange(low, high, dstLow) {\n    unreachable(\"should not call mapCidRange\");\n  }\n\n  mapBfRange(low, high, dstLow) {\n    unreachable(\"should not call mapBfRange\");\n  }\n\n  mapBfRangeToArray(low, high, array) {\n    unreachable(\"should not call mapBfRangeToArray\");\n  }\n\n  mapOne(src, dst) {\n    unreachable(\"should not call mapCidOne\");\n  }\n\n  lookup(code) {\n    return Number.isInteger(code) && code <= 0xffff ? code : undefined;\n  }\n\n  contains(code) {\n    return Number.isInteger(code) && code <= 0xffff;\n  }\n\n  forEach(callback) {\n    for (let i = 0; i <= 0xffff; i++) {\n      callback(i, i);\n    }\n  }\n\n  charCodeOf(value) {\n    return Number.isInteger(value) && value <= 0xffff ? value : -1;\n  }\n\n  getMap() {\n    // Sometimes identity maps must be instantiated, but it's rare.\n    const map = new Array(0x10000);\n    for (let i = 0; i <= 0xffff; i++) {\n      map[i] = i;\n    }\n    return map;\n  }\n\n  get length() {\n    return 0x10000;\n  }\n\n  // eslint-disable-next-line getter-return\n  get isIdentityCMap() {\n    unreachable(\"should not access .isIdentityCMap\");\n  }\n}\n\nvar BinaryCMapReader = (function BinaryCMapReaderClosure() {\n  function hexToInt(a, size) {\n    var n = 0;\n    for (var i = 0; i <= size; i++) {\n      n = (n << 8) | a[i];\n    }\n    return n >>> 0;\n  }\n\n  function hexToStr(a, size) {\n    // This code is hot. Special-case some common values to avoid creating an\n    // object with subarray().\n    if (size === 1) {\n      return String.fromCharCode(a[0], a[1]);\n    }\n    if (size === 3) {\n      return String.fromCharCode(a[0], a[1], a[2], a[3]);\n    }\n    return String.fromCharCode.apply(null, a.subarray(0, size + 1));\n  }\n\n  function addHex(a, b, size) {\n    var c = 0;\n    for (var i = size; i >= 0; i--) {\n      c += a[i] + b[i];\n      a[i] = c & 255;\n      c >>= 8;\n    }\n  }\n\n  function incHex(a, size) {\n    var c = 1;\n    for (var i = size; i >= 0 && c > 0; i--) {\n      c += a[i];\n      a[i] = c & 255;\n      c >>= 8;\n    }\n  }\n\n  var MAX_NUM_SIZE = 16;\n  var MAX_ENCODED_NUM_SIZE = 19; // ceil(MAX_NUM_SIZE * 7 / 8)\n\n  function BinaryCMapStream(data) {\n    this.buffer = data;\n    this.pos = 0;\n    this.end = data.length;\n    this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);\n  }\n\n  BinaryCMapStream.prototype = {\n    readByte() {\n      if (this.pos >= this.end) {\n        return -1;\n      }\n      return this.buffer[this.pos++];\n    },\n    readNumber() {\n      var n = 0;\n      var last;\n      do {\n        var b = this.readByte();\n        if (b < 0) {\n          throw new FormatError(\"unexpected EOF in bcmap\");\n        }\n        last = !(b & 0x80);\n        n = (n << 7) | (b & 0x7f);\n      } while (!last);\n      return n;\n    },\n    readSigned() {\n      var n = this.readNumber();\n      return n & 1 ? ~(n >>> 1) : n >>> 1;\n    },\n    readHex(num, size) {\n      num.set(this.buffer.subarray(this.pos, this.pos + size + 1));\n      this.pos += size + 1;\n    },\n    readHexNumber(num, size) {\n      var last;\n      var stack = this.tmpBuf,\n        sp = 0;\n      do {\n        var b = this.readByte();\n        if (b < 0) {\n          throw new FormatError(\"unexpected EOF in bcmap\");\n        }\n        last = !(b & 0x80);\n        stack[sp++] = b & 0x7f;\n      } while (!last);\n      var i = size,\n        buffer = 0,\n        bufferSize = 0;\n      while (i >= 0) {\n        while (bufferSize < 8 && stack.length > 0) {\n          buffer = (stack[--sp] << bufferSize) | buffer;\n          bufferSize += 7;\n        }\n        num[i] = buffer & 255;\n        i--;\n        buffer >>= 8;\n        bufferSize -= 8;\n      }\n    },\n    readHexSigned(num, size) {\n      this.readHexNumber(num, size);\n      var sign = num[size] & 1 ? 255 : 0;\n      var c = 0;\n      for (var i = 0; i <= size; i++) {\n        c = ((c & 1) << 8) | num[i];\n        num[i] = (c >> 1) ^ sign;\n      }\n    },\n    readString() {\n      var len = this.readNumber();\n      var s = \"\";\n      for (var i = 0; i < len; i++) {\n        s += String.fromCharCode(this.readNumber());\n      }\n      return s;\n    },\n  };\n\n  function processBinaryCMap(data, cMap, extend) {\n    return new Promise(function (resolve, reject) {\n      var stream = new BinaryCMapStream(data);\n      var header = stream.readByte();\n      cMap.vertical = !!(header & 1);\n\n      var useCMap = null;\n      var start = new Uint8Array(MAX_NUM_SIZE);\n      var end = new Uint8Array(MAX_NUM_SIZE);\n      var char = new Uint8Array(MAX_NUM_SIZE);\n      var charCode = new Uint8Array(MAX_NUM_SIZE);\n      var tmp = new Uint8Array(MAX_NUM_SIZE);\n      var code;\n\n      var b;\n      while ((b = stream.readByte()) >= 0) {\n        var type = b >> 5;\n        if (type === 7) {\n          // metadata, e.g. comment or usecmap\n          switch (b & 0x1f) {\n            case 0:\n              stream.readString(); // skipping comment\n              break;\n            case 1:\n              useCMap = stream.readString();\n              break;\n          }\n          continue;\n        }\n        var sequence = !!(b & 0x10);\n        var dataSize = b & 15;\n\n        if (dataSize + 1 > MAX_NUM_SIZE) {\n          throw new Error(\"processBinaryCMap: Invalid dataSize.\");\n        }\n\n        var ucs2DataSize = 1;\n        var subitemsCount = stream.readNumber();\n        var i;\n        switch (type) {\n          case 0: // codespacerange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            cMap.addCodespaceRange(\n              dataSize + 1,\n              hexToInt(start, dataSize),\n              hexToInt(end, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              stream.readHexNumber(start, dataSize);\n              addHex(start, end, dataSize);\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              cMap.addCodespaceRange(\n                dataSize + 1,\n                hexToInt(start, dataSize),\n                hexToInt(end, dataSize)\n              );\n            }\n            break;\n          case 1: // notdefrange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            stream.readNumber(); // code\n            // undefined range, skipping\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              stream.readHexNumber(start, dataSize);\n              addHex(start, end, dataSize);\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              stream.readNumber(); // code\n              // nop\n            }\n            break;\n          case 2: // cidchar\n            stream.readHex(char, dataSize);\n            code = stream.readNumber();\n            cMap.mapOne(hexToInt(char, dataSize), code);\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(char, dataSize);\n              if (!sequence) {\n                stream.readHexNumber(tmp, dataSize);\n                addHex(char, tmp, dataSize);\n              }\n              code = stream.readSigned() + (code + 1);\n              cMap.mapOne(hexToInt(char, dataSize), code);\n            }\n            break;\n          case 3: // cidrange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            code = stream.readNumber();\n            cMap.mapCidRange(\n              hexToInt(start, dataSize),\n              hexToInt(end, dataSize),\n              code\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              if (!sequence) {\n                stream.readHexNumber(start, dataSize);\n                addHex(start, end, dataSize);\n              } else {\n                start.set(end);\n              }\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              code = stream.readNumber();\n              cMap.mapCidRange(\n                hexToInt(start, dataSize),\n                hexToInt(end, dataSize),\n                code\n              );\n            }\n            break;\n          case 4: // bfchar\n            stream.readHex(char, ucs2DataSize);\n            stream.readHex(charCode, dataSize);\n            cMap.mapOne(\n              hexToInt(char, ucs2DataSize),\n              hexToStr(charCode, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(char, ucs2DataSize);\n              if (!sequence) {\n                stream.readHexNumber(tmp, ucs2DataSize);\n                addHex(char, tmp, ucs2DataSize);\n              }\n              incHex(charCode, dataSize);\n              stream.readHexSigned(tmp, dataSize);\n              addHex(charCode, tmp, dataSize);\n              cMap.mapOne(\n                hexToInt(char, ucs2DataSize),\n                hexToStr(charCode, dataSize)\n              );\n            }\n            break;\n          case 5: // bfrange\n            stream.readHex(start, ucs2DataSize);\n            stream.readHexNumber(end, ucs2DataSize);\n            addHex(end, start, ucs2DataSize);\n            stream.readHex(charCode, dataSize);\n            cMap.mapBfRange(\n              hexToInt(start, ucs2DataSize),\n              hexToInt(end, ucs2DataSize),\n              hexToStr(charCode, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, ucs2DataSize);\n              if (!sequence) {\n                stream.readHexNumber(start, ucs2DataSize);\n                addHex(start, end, ucs2DataSize);\n              } else {\n                start.set(end);\n              }\n              stream.readHexNumber(end, ucs2DataSize);\n              addHex(end, start, ucs2DataSize);\n              stream.readHex(charCode, dataSize);\n              cMap.mapBfRange(\n                hexToInt(start, ucs2DataSize),\n                hexToInt(end, ucs2DataSize),\n                hexToStr(charCode, dataSize)\n              );\n            }\n            break;\n          default:\n            reject(new Error(\"processBinaryCMap: Unknown type: \" + type));\n            return;\n        }\n      }\n\n      if (useCMap) {\n        resolve(extend(useCMap));\n        return;\n      }\n      resolve(cMap);\n    });\n  }\n\n  // eslint-disable-next-line no-shadow\n  function BinaryCMapReader() {}\n\n  BinaryCMapReader.prototype = {\n    process: processBinaryCMap,\n  };\n\n  return BinaryCMapReader;\n})();\n\nvar CMapFactory = (function CMapFactoryClosure() {\n  function strToInt(str) {\n    var a = 0;\n    for (var i = 0; i < str.length; i++) {\n      a = (a << 8) | str.charCodeAt(i);\n    }\n    return a >>> 0;\n  }\n\n  function expectString(obj) {\n    if (!isString(obj)) {\n      throw new FormatError(\"Malformed CMap: expected string.\");\n    }\n  }\n\n  function expectInt(obj) {\n    if (!Number.isInteger(obj)) {\n      throw new FormatError(\"Malformed CMap: expected int.\");\n    }\n  }\n\n  function parseBfChar(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endbfchar\")) {\n        return;\n      }\n      expectString(obj);\n      var src = strToInt(obj);\n      obj = lexer.getObj();\n      // TODO are /dstName used?\n      expectString(obj);\n      var dst = obj;\n      cMap.mapOne(src, dst);\n    }\n  }\n\n  function parseBfRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endbfrange\")) {\n        return;\n      }\n      expectString(obj);\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      expectString(obj);\n      var high = strToInt(obj);\n      obj = lexer.getObj();\n      if (Number.isInteger(obj) || isString(obj)) {\n        var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;\n        cMap.mapBfRange(low, high, dstLow);\n      } else if (isCmd(obj, \"[\")) {\n        obj = lexer.getObj();\n        var array = [];\n        while (!isCmd(obj, \"]\") && !isEOF(obj)) {\n          array.push(obj);\n          obj = lexer.getObj();\n        }\n        cMap.mapBfRangeToArray(low, high, array);\n      } else {\n        break;\n      }\n    }\n    throw new FormatError(\"Invalid bf range.\");\n  }\n\n  function parseCidChar(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcidchar\")) {\n        return;\n      }\n      expectString(obj);\n      var src = strToInt(obj);\n      obj = lexer.getObj();\n      expectInt(obj);\n      var dst = obj;\n      cMap.mapOne(src, dst);\n    }\n  }\n\n  function parseCidRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcidrange\")) {\n        return;\n      }\n      expectString(obj);\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      expectString(obj);\n      var high = strToInt(obj);\n      obj = lexer.getObj();\n      expectInt(obj);\n      var dstLow = obj;\n      cMap.mapCidRange(low, high, dstLow);\n    }\n  }\n\n  function parseCodespaceRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcodespacerange\")) {\n        return;\n      }\n      if (!isString(obj)) {\n        break;\n      }\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      if (!isString(obj)) {\n        break;\n      }\n      var high = strToInt(obj);\n      cMap.addCodespaceRange(obj.length, low, high);\n    }\n    throw new FormatError(\"Invalid codespace range.\");\n  }\n\n  function parseWMode(cMap, lexer) {\n    var obj = lexer.getObj();\n    if (Number.isInteger(obj)) {\n      cMap.vertical = !!obj;\n    }\n  }\n\n  function parseCMapName(cMap, lexer) {\n    var obj = lexer.getObj();\n    if (isName(obj) && isString(obj.name)) {\n      cMap.name = obj.name;\n    }\n  }\n\n  function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {\n    var previous;\n    var embeddedUseCMap;\n    objLoop: while (true) {\n      try {\n        var obj = lexer.getObj();\n        if (isEOF(obj)) {\n          break;\n        } else if (isName(obj)) {\n          if (obj.name === \"WMode\") {\n            parseWMode(cMap, lexer);\n          } else if (obj.name === \"CMapName\") {\n            parseCMapName(cMap, lexer);\n          }\n          previous = obj;\n        } else if (isCmd(obj)) {\n          switch (obj.cmd) {\n            case \"endcmap\":\n              break objLoop;\n            case \"usecmap\":\n              if (isName(previous)) {\n                embeddedUseCMap = previous.name;\n              }\n              break;\n            case \"begincodespacerange\":\n              parseCodespaceRange(cMap, lexer);\n              break;\n            case \"beginbfchar\":\n              parseBfChar(cMap, lexer);\n              break;\n            case \"begincidchar\":\n              parseCidChar(cMap, lexer);\n              break;\n            case \"beginbfrange\":\n              parseBfRange(cMap, lexer);\n              break;\n            case \"begincidrange\":\n              parseCidRange(cMap, lexer);\n              break;\n          }\n        }\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(\"Invalid cMap data: \" + ex);\n        continue;\n      }\n    }\n\n    if (!useCMap && embeddedUseCMap) {\n      // Load the useCMap definition from the file only if there wasn't one\n      // specified.\n      useCMap = embeddedUseCMap;\n    }\n    if (useCMap) {\n      return extendCMap(cMap, fetchBuiltInCMap, useCMap);\n    }\n    return Promise.resolve(cMap);\n  }\n\n  function extendCMap(cMap, fetchBuiltInCMap, useCMap) {\n    return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (\n      newCMap\n    ) {\n      cMap.useCMap = newCMap;\n      // If there aren't any code space ranges defined clone all the parent ones\n      // into this cMap.\n      if (cMap.numCodespaceRanges === 0) {\n        var useCodespaceRanges = cMap.useCMap.codespaceRanges;\n        for (var i = 0; i < useCodespaceRanges.length; i++) {\n          cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();\n        }\n        cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;\n      }\n      // Merge the map into the current one, making sure not to override\n      // any previously defined entries.\n      cMap.useCMap.forEach(function (key, value) {\n        if (!cMap.contains(key)) {\n          cMap.mapOne(key, cMap.useCMap.lookup(key));\n        }\n      });\n\n      return cMap;\n    });\n  }\n\n  function createBuiltInCMap(name, fetchBuiltInCMap) {\n    if (name === \"Identity-H\") {\n      return Promise.resolve(new IdentityCMap(false, 2));\n    } else if (name === \"Identity-V\") {\n      return Promise.resolve(new IdentityCMap(true, 2));\n    }\n    if (!BUILT_IN_CMAPS.includes(name)) {\n      return Promise.reject(new Error(\"Unknown CMap name: \" + name));\n    }\n    if (!fetchBuiltInCMap) {\n      return Promise.reject(\n        new Error(\"Built-in CMap parameters are not provided.\")\n      );\n    }\n\n    return fetchBuiltInCMap(name).then(function (data) {\n      var cMapData = data.cMapData,\n        compressionType = data.compressionType;\n      var cMap = new CMap(true);\n\n      if (compressionType === CMapCompressionType.BINARY) {\n        return new BinaryCMapReader().process(cMapData, cMap, function (\n          useCMap\n        ) {\n          return extendCMap(cMap, fetchBuiltInCMap, useCMap);\n        });\n      }\n      if (compressionType === CMapCompressionType.NONE) {\n        var lexer = new Lexer(new Stream(cMapData));\n        return parseCMap(cMap, lexer, fetchBuiltInCMap, null);\n      }\n      return Promise.reject(\n        new Error(\n          \"TODO: Only BINARY/NONE CMap compression is currently supported.\"\n        )\n      );\n    });\n  }\n\n  return {\n    async create(params) {\n      var encoding = params.encoding;\n      var fetchBuiltInCMap = params.fetchBuiltInCMap;\n      var useCMap = params.useCMap;\n\n      if (isName(encoding)) {\n        return createBuiltInCMap(encoding.name, fetchBuiltInCMap);\n      } else if (isStream(encoding)) {\n        var cMap = new CMap();\n        var lexer = new Lexer(encoding);\n        return parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (\n          parsedCMap\n        ) {\n          if (parsedCMap.isIdentityCMap) {\n            return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);\n          }\n          return parsedCMap;\n        });\n      }\n      throw new Error(\"Encoding required.\");\n    },\n  };\n})();\n\nexport { CMap, IdentityCMap, CMapFactory };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  FONT_IDENTITY_MATRIX,\n  FontType,\n  FormatError,\n  info,\n  isNum,\n  shadow,\n  string32,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  CFF,\n  CFFCharset,\n  CFFCompiler,\n  CFFHeader,\n  CFFIndex,\n  CFFParser,\n  CFFPrivateDict,\n  CFFStandardStrings,\n  CFFStrings,\n  CFFTopDict,\n} from \"./cff_parser.js\";\nimport { getDingbatsGlyphsUnicode, getGlyphsUnicode } from \"./glyphlist.js\";\nimport {\n  getEncoding,\n  MacRomanEncoding,\n  StandardEncoding,\n  SymbolSetEncoding,\n  ZapfDingbatsEncoding,\n} from \"./encodings.js\";\nimport {\n  getGlyphMapForStandardFonts,\n  getNonStdFontMap,\n  getStdFontMap,\n  getSupplementalGlyphMapForArialBlack,\n  getSupplementalGlyphMapForCalibri,\n} from \"./standard_fonts.js\";\nimport {\n  getUnicodeForGlyph,\n  getUnicodeRangeFor,\n  mapSpecialUnicodeValues,\n} from \"./unicode.js\";\nimport {\n  isWhiteSpace,\n  MissingDataException,\n  readUint32,\n} from \"./core_utils.js\";\nimport { FontRendererFactory } from \"./font_renderer.js\";\nimport { IdentityCMap } from \"./cmap.js\";\nimport { Stream } from \"./stream.js\";\nimport { Type1Parser } from \"./type1_parser.js\";\n\n// Unicode Private Use Areas:\nconst PRIVATE_USE_AREAS = [\n  [0xe000, 0xf8ff], // BMP (0)\n  [0x100000, 0x10fffd], // PUP (16)\n];\n\n// PDF Glyph Space Units are one Thousandth of a TextSpace Unit\n// except for Type 3 fonts\nvar PDF_GLYPH_SPACE_UNITS = 1000;\n\n// Accented characters have issues on Windows and Linux. When this flag is\n// enabled glyphs that use seac and seac style endchar operators are truncated\n// and we instead just store the glyph id's of the base glyph and its accent to\n// be drawn individually.\n// Linux (freetype) requires that when a seac style endchar is used\n// that the charset must be a predefined one, however we build a\n// custom one. Windows just refuses to draw glyphs with seac operators.\nvar SEAC_ANALYSIS_ENABLED = true;\n\nconst EXPORT_DATA_PROPERTIES = [\n  \"ascent\",\n  \"bbox\",\n  \"black\",\n  \"bold\",\n  \"charProcOperatorList\",\n  \"composite\",\n  \"data\",\n  \"defaultVMetrics\",\n  \"defaultWidth\",\n  \"descent\",\n  \"fallbackName\",\n  \"fontMatrix\",\n  \"fontType\",\n  \"isMonospace\",\n  \"isSerifFont\",\n  \"isType3Font\",\n  \"italic\",\n  \"loadedName\",\n  \"mimetype\",\n  \"missingFile\",\n  \"name\",\n  \"remeasure\",\n  \"subtype\",\n  \"type\",\n  \"vertical\",\n];\n\nconst EXPORT_DATA_EXTRA_PROPERTIES = [\n  \"cMap\",\n  \"defaultEncoding\",\n  \"differences\",\n  \"isSymbolicFont\",\n  \"seacMap\",\n  \"toFontChar\",\n  \"toUnicode\",\n  \"vmetrics\",\n  \"widths\",\n];\n\nvar FontFlags = {\n  FixedPitch: 1,\n  Serif: 2,\n  Symbolic: 4,\n  Script: 8,\n  Nonsymbolic: 32,\n  Italic: 64,\n  AllCap: 65536,\n  SmallCap: 131072,\n  ForceBold: 262144,\n};\n\n// prettier-ignore\nvar MacStandardGlyphOrdering = [\n  \".notdef\", \".null\", \"nonmarkingreturn\", \"space\", \"exclam\", \"quotedbl\",\n  \"numbersign\", \"dollar\", \"percent\", \"ampersand\", \"quotesingle\", \"parenleft\",\n  \"parenright\", \"asterisk\", \"plus\", \"comma\", \"hyphen\", \"period\", \"slash\",\n  \"zero\", \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\",\n  \"nine\", \"colon\", \"semicolon\", \"less\", \"equal\", \"greater\", \"question\", \"at\",\n  \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\",\n  \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\",\n  \"backslash\", \"bracketright\", \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\",\n  \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\",\n  \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\",\n  \"asciitilde\", \"Adieresis\", \"Aring\", \"Ccedilla\", \"Eacute\", \"Ntilde\",\n  \"Odieresis\", \"Udieresis\", \"aacute\", \"agrave\", \"acircumflex\", \"adieresis\",\n  \"atilde\", \"aring\", \"ccedilla\", \"eacute\", \"egrave\", \"ecircumflex\", \"edieresis\",\n  \"iacute\", \"igrave\", \"icircumflex\", \"idieresis\", \"ntilde\", \"oacute\", \"ograve\",\n  \"ocircumflex\", \"odieresis\", \"otilde\", \"uacute\", \"ugrave\", \"ucircumflex\",\n  \"udieresis\", \"dagger\", \"degree\", \"cent\", \"sterling\", \"section\", \"bullet\",\n  \"paragraph\", \"germandbls\", \"registered\", \"copyright\", \"trademark\", \"acute\",\n  \"dieresis\", \"notequal\", \"AE\", \"Oslash\", \"infinity\", \"plusminus\", \"lessequal\",\n  \"greaterequal\", \"yen\", \"mu\", \"partialdiff\", \"summation\", \"product\", \"pi\",\n  \"integral\", \"ordfeminine\", \"ordmasculine\", \"Omega\", \"ae\", \"oslash\",\n  \"questiondown\", \"exclamdown\", \"logicalnot\", \"radical\", \"florin\",\n  \"approxequal\", \"Delta\", \"guillemotleft\", \"guillemotright\", \"ellipsis\",\n  \"nonbreakingspace\", \"Agrave\", \"Atilde\", \"Otilde\", \"OE\", \"oe\", \"endash\",\n  \"emdash\", \"quotedblleft\", \"quotedblright\", \"quoteleft\", \"quoteright\",\n  \"divide\", \"lozenge\", \"ydieresis\", \"Ydieresis\", \"fraction\", \"currency\",\n  \"guilsinglleft\", \"guilsinglright\", \"fi\", \"fl\", \"daggerdbl\", \"periodcentered\",\n  \"quotesinglbase\", \"quotedblbase\", \"perthousand\", \"Acircumflex\",\n  \"Ecircumflex\", \"Aacute\", \"Edieresis\", \"Egrave\", \"Iacute\", \"Icircumflex\",\n  \"Idieresis\", \"Igrave\", \"Oacute\", \"Ocircumflex\", \"apple\", \"Ograve\", \"Uacute\",\n  \"Ucircumflex\", \"Ugrave\", \"dotlessi\", \"circumflex\", \"tilde\", \"macron\",\n  \"breve\", \"dotaccent\", \"ring\", \"cedilla\", \"hungarumlaut\", \"ogonek\", \"caron\",\n  \"Lslash\", \"lslash\", \"Scaron\", \"scaron\", \"Zcaron\", \"zcaron\", \"brokenbar\",\n  \"Eth\", \"eth\", \"Yacute\", \"yacute\", \"Thorn\", \"thorn\", \"minus\", \"multiply\",\n  \"onesuperior\", \"twosuperior\", \"threesuperior\", \"onehalf\", \"onequarter\",\n  \"threequarters\", \"franc\", \"Gbreve\", \"gbreve\", \"Idotaccent\", \"Scedilla\",\n  \"scedilla\", \"Cacute\", \"cacute\", \"Ccaron\", \"ccaron\", \"dcroat\"];\n\nfunction adjustWidths(properties) {\n  if (!properties.fontMatrix) {\n    return;\n  }\n  if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) {\n    return;\n  }\n  // adjusting width to fontMatrix scale\n  var scale = 0.001 / properties.fontMatrix[0];\n  var glyphsWidths = properties.widths;\n  for (var glyph in glyphsWidths) {\n    glyphsWidths[glyph] *= scale;\n  }\n  properties.defaultWidth *= scale;\n}\n\nfunction adjustToUnicode(properties, builtInEncoding) {\n  if (properties.hasIncludedToUnicodeMap) {\n    return; // The font dictionary has a `ToUnicode` entry.\n  }\n  if (properties.hasEncoding) {\n    return; // The font dictionary has an `Encoding` entry.\n  }\n  if (builtInEncoding === properties.defaultEncoding) {\n    return; // No point in trying to adjust `toUnicode` if the encodings match.\n  }\n  if (properties.toUnicode instanceof IdentityToUnicodeMap) {\n    return;\n  }\n  var toUnicode = [],\n    glyphsUnicodeMap = getGlyphsUnicode();\n  for (var charCode in builtInEncoding) {\n    var glyphName = builtInEncoding[charCode];\n    var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n    if (unicode !== -1) {\n      toUnicode[charCode] = String.fromCharCode(unicode);\n    }\n  }\n  properties.toUnicode.amend(toUnicode);\n}\n\nfunction getFontType(type, subtype) {\n  switch (type) {\n    case \"Type1\":\n      return subtype === \"Type1C\" ? FontType.TYPE1C : FontType.TYPE1;\n    case \"CIDFontType0\":\n      return subtype === \"CIDFontType0C\"\n        ? FontType.CIDFONTTYPE0C\n        : FontType.CIDFONTTYPE0;\n    case \"OpenType\":\n      return FontType.OPENTYPE;\n    case \"TrueType\":\n      return FontType.TRUETYPE;\n    case \"CIDFontType2\":\n      return FontType.CIDFONTTYPE2;\n    case \"MMType1\":\n      return FontType.MMTYPE1;\n    case \"Type0\":\n      return FontType.TYPE0;\n    default:\n      return FontType.UNKNOWN;\n  }\n}\n\n// Some bad PDF generators, e.g. Scribus PDF, include glyph names\n// in a 'uniXXXX' format -- attempting to recover proper ones.\nfunction recoverGlyphName(name, glyphsUnicodeMap) {\n  if (glyphsUnicodeMap[name] !== undefined) {\n    return name;\n  }\n  // The glyph name is non-standard, trying to recover.\n  var unicode = getUnicodeForGlyph(name, glyphsUnicodeMap);\n  if (unicode !== -1) {\n    for (var key in glyphsUnicodeMap) {\n      if (glyphsUnicodeMap[key] === unicode) {\n        return key;\n      }\n    }\n  }\n  info(\"Unable to recover a standard glyph name for: \" + name);\n  return name;\n}\n\nvar Glyph = (function GlyphClosure() {\n  // eslint-disable-next-line no-shadow\n  function Glyph(\n    fontChar,\n    unicode,\n    accent,\n    width,\n    vmetric,\n    operatorListId,\n    isSpace,\n    isInFont\n  ) {\n    this.fontChar = fontChar;\n    this.unicode = unicode;\n    this.accent = accent;\n    this.width = width;\n    this.vmetric = vmetric;\n    this.operatorListId = operatorListId;\n    this.isSpace = isSpace;\n    this.isInFont = isInFont;\n  }\n\n  Glyph.prototype.matchesForCache = function (\n    fontChar,\n    unicode,\n    accent,\n    width,\n    vmetric,\n    operatorListId,\n    isSpace,\n    isInFont\n  ) {\n    return (\n      this.fontChar === fontChar &&\n      this.unicode === unicode &&\n      this.accent === accent &&\n      this.width === width &&\n      this.vmetric === vmetric &&\n      this.operatorListId === operatorListId &&\n      this.isSpace === isSpace &&\n      this.isInFont === isInFont\n    );\n  };\n\n  return Glyph;\n})();\n\nvar ToUnicodeMap = (function ToUnicodeMapClosure() {\n  // eslint-disable-next-line no-shadow\n  function ToUnicodeMap(cmap = []) {\n    // The elements of this._map can be integers or strings, depending on how\n    // `cmap` was created.\n    this._map = cmap;\n  }\n\n  ToUnicodeMap.prototype = {\n    get length() {\n      return this._map.length;\n    },\n\n    forEach(callback) {\n      for (var charCode in this._map) {\n        callback(charCode, this._map[charCode].charCodeAt(0));\n      }\n    },\n\n    has(i) {\n      return this._map[i] !== undefined;\n    },\n\n    get(i) {\n      return this._map[i];\n    },\n\n    charCodeOf(value) {\n      // `Array.prototype.indexOf` is *extremely* inefficient for arrays which\n      // are both very sparse and very large (see issue8372.pdf).\n      const map = this._map;\n      if (map.length <= 0x10000) {\n        return map.indexOf(value);\n      }\n      for (const charCode in map) {\n        if (map[charCode] === value) {\n          return charCode | 0;\n        }\n      }\n      return -1;\n    },\n\n    amend(map) {\n      for (var charCode in map) {\n        this._map[charCode] = map[charCode];\n      }\n    },\n  };\n\n  return ToUnicodeMap;\n})();\n\nvar IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() {\n  // eslint-disable-next-line no-shadow\n  function IdentityToUnicodeMap(firstChar, lastChar) {\n    this.firstChar = firstChar;\n    this.lastChar = lastChar;\n  }\n\n  IdentityToUnicodeMap.prototype = {\n    get length() {\n      return this.lastChar + 1 - this.firstChar;\n    },\n\n    forEach(callback) {\n      for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {\n        callback(i, i);\n      }\n    },\n\n    has(i) {\n      return this.firstChar <= i && i <= this.lastChar;\n    },\n\n    get(i) {\n      if (this.firstChar <= i && i <= this.lastChar) {\n        return String.fromCharCode(i);\n      }\n      return undefined;\n    },\n\n    charCodeOf(v) {\n      return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar\n        ? v\n        : -1;\n    },\n\n    amend(map) {\n      unreachable(\"Should not call amend()\");\n    },\n  };\n\n  return IdentityToUnicodeMap;\n})();\n\nvar OpenTypeFileBuilder = (function OpenTypeFileBuilderClosure() {\n  function writeInt16(dest, offset, num) {\n    dest[offset] = (num >> 8) & 0xff;\n    dest[offset + 1] = num & 0xff;\n  }\n\n  function writeInt32(dest, offset, num) {\n    dest[offset] = (num >> 24) & 0xff;\n    dest[offset + 1] = (num >> 16) & 0xff;\n    dest[offset + 2] = (num >> 8) & 0xff;\n    dest[offset + 3] = num & 0xff;\n  }\n\n  function writeData(dest, offset, data) {\n    var i, ii;\n    if (data instanceof Uint8Array) {\n      dest.set(data, offset);\n    } else if (typeof data === \"string\") {\n      for (i = 0, ii = data.length; i < ii; i++) {\n        dest[offset++] = data.charCodeAt(i) & 0xff;\n      }\n    } else {\n      // treating everything else as array\n      for (i = 0, ii = data.length; i < ii; i++) {\n        dest[offset++] = data[i] & 0xff;\n      }\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function OpenTypeFileBuilder(sfnt) {\n    this.sfnt = sfnt;\n    this.tables = Object.create(null);\n  }\n\n  OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(\n    entriesCount,\n    entrySize\n  ) {\n    var maxPower2 = 1,\n      log2 = 0;\n    while ((maxPower2 ^ entriesCount) > maxPower2) {\n      maxPower2 <<= 1;\n      log2++;\n    }\n    var searchRange = maxPower2 * entrySize;\n    return {\n      range: searchRange,\n      entry: log2,\n      rangeShift: entrySize * entriesCount - searchRange,\n    };\n  };\n\n  var OTF_HEADER_SIZE = 12;\n  var OTF_TABLE_ENTRY_SIZE = 16;\n\n  OpenTypeFileBuilder.prototype = {\n    toArray: function OpenTypeFileBuilder_toArray() {\n      var sfnt = this.sfnt;\n\n      // Tables needs to be written by ascendant alphabetic order\n      var tables = this.tables;\n      var tablesNames = Object.keys(tables);\n      tablesNames.sort();\n      var numTables = tablesNames.length;\n\n      var i, j, jj, table, tableName;\n      // layout the tables data\n      var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;\n      var tableOffsets = [offset];\n      for (i = 0; i < numTables; i++) {\n        table = tables[tablesNames[i]];\n        var paddedLength = ((table.length + 3) & ~3) >>> 0;\n        offset += paddedLength;\n        tableOffsets.push(offset);\n      }\n\n      var file = new Uint8Array(offset);\n      // write the table data first (mostly for checksum)\n      for (i = 0; i < numTables; i++) {\n        table = tables[tablesNames[i]];\n        writeData(file, tableOffsets[i], table);\n      }\n\n      // sfnt version (4 bytes)\n      if (sfnt === \"true\") {\n        // Windows hates the Mac TrueType sfnt version number\n        sfnt = string32(0x00010000);\n      }\n      file[0] = sfnt.charCodeAt(0) & 0xff;\n      file[1] = sfnt.charCodeAt(1) & 0xff;\n      file[2] = sfnt.charCodeAt(2) & 0xff;\n      file[3] = sfnt.charCodeAt(3) & 0xff;\n\n      // numTables (2 bytes)\n      writeInt16(file, 4, numTables);\n\n      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);\n\n      // searchRange (2 bytes)\n      writeInt16(file, 6, searchParams.range);\n      // entrySelector (2 bytes)\n      writeInt16(file, 8, searchParams.entry);\n      // rangeShift (2 bytes)\n      writeInt16(file, 10, searchParams.rangeShift);\n\n      offset = OTF_HEADER_SIZE;\n      // writing table entries\n      for (i = 0; i < numTables; i++) {\n        tableName = tablesNames[i];\n        file[offset] = tableName.charCodeAt(0) & 0xff;\n        file[offset + 1] = tableName.charCodeAt(1) & 0xff;\n        file[offset + 2] = tableName.charCodeAt(2) & 0xff;\n        file[offset + 3] = tableName.charCodeAt(3) & 0xff;\n\n        // checksum\n        var checksum = 0;\n        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {\n          var quad = readUint32(file, j);\n          checksum = (checksum + quad) >>> 0;\n        }\n        writeInt32(file, offset + 4, checksum);\n\n        // offset\n        writeInt32(file, offset + 8, tableOffsets[i]);\n        // length\n        writeInt32(file, offset + 12, tables[tableName].length);\n\n        offset += OTF_TABLE_ENTRY_SIZE;\n      }\n      return file;\n    },\n\n    addTable: function OpenTypeFileBuilder_addTable(tag, data) {\n      if (tag in this.tables) {\n        throw new Error(\"Table \" + tag + \" already exists\");\n      }\n      this.tables[tag] = data;\n    },\n  };\n\n  return OpenTypeFileBuilder;\n})();\n\n/**\n * 'Font' is the class the outside world should use, it encapsulate all the font\n * decoding logics whatever type it is (assuming the font type is supported).\n *\n * For example to read a Type1 font and to attach it to the document:\n *   var type1Font = new Font(\"MyFontName\", binaryFile, propertiesObject);\n *   type1Font.bind();\n */\nvar Font = (function FontClosure() {\n  // eslint-disable-next-line no-shadow\n  function Font(name, file, properties) {\n    var charCode;\n\n    this.name = name;\n    this.loadedName = properties.loadedName;\n    this.isType3Font = properties.isType3Font;\n    this.missingFile = false;\n\n    this.glyphCache = Object.create(null);\n\n    this.isSerifFont = !!(properties.flags & FontFlags.Serif);\n    this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n    this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);\n\n    var type = properties.type;\n    var subtype = properties.subtype;\n    this.type = type;\n    this.subtype = subtype;\n\n    let fallbackName = \"sans-serif\";\n    if (this.isMonospace) {\n      fallbackName = \"monospace\";\n    } else if (this.isSerifFont) {\n      fallbackName = \"serif\";\n    }\n    this.fallbackName = fallbackName;\n\n    this.differences = properties.differences;\n    this.widths = properties.widths;\n    this.defaultWidth = properties.defaultWidth;\n    this.composite = properties.composite;\n    this.cMap = properties.cMap;\n    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;\n    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;\n    this.fontMatrix = properties.fontMatrix;\n    this.bbox = properties.bbox;\n    this.defaultEncoding = properties.defaultEncoding;\n\n    this.toUnicode = properties.toUnicode;\n    this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();\n\n    this.toFontChar = [];\n\n    if (properties.type === \"Type3\") {\n      for (charCode = 0; charCode < 256; charCode++) {\n        this.toFontChar[charCode] =\n          this.differences[charCode] || properties.defaultEncoding[charCode];\n      }\n      this.fontType = FontType.TYPE3;\n      return;\n    }\n\n    this.cidEncoding = properties.cidEncoding;\n    this.vertical = !!properties.vertical;\n    if (this.vertical) {\n      this.vmetrics = properties.vmetrics;\n      this.defaultVMetrics = properties.defaultVMetrics;\n    }\n\n    if (!file || file.isEmpty) {\n      if (file) {\n        // Some bad PDF generators will include empty font files,\n        // attempting to recover by assuming that no file exists.\n        warn('Font file is empty in \"' + name + '\" (' + this.loadedName + \")\");\n      }\n      this.fallbackToSystemFont();\n      return;\n    }\n\n    // Parse the font file to determine the correct type/subtype, rather than\n    // relying on the (often incorrect) data in the font dictionary; (see e.g.\n    //  issue6782.pdf, issue7598.pdf, and issue9949.pdf).\n    [type, subtype] = getFontFileType(file, properties);\n\n    if (type !== this.type || subtype !== this.subtype) {\n      info(\n        \"Inconsistent font file Type/SubType, expected: \" +\n          `${this.type}/${this.subtype} but found: ${type}/${subtype}.`\n      );\n    }\n\n    try {\n      var data;\n      switch (type) {\n        case \"MMType1\":\n          info(\"MMType1 font (\" + name + \"), falling back to Type1.\");\n        /* falls through */\n        case \"Type1\":\n        case \"CIDFontType0\":\n          this.mimetype = \"font/opentype\";\n\n          var cff =\n            subtype === \"Type1C\" || subtype === \"CIDFontType0C\"\n              ? new CFFFont(file, properties)\n              : new Type1Font(name, file, properties);\n\n          adjustWidths(properties);\n\n          // Wrap the CFF data inside an OTF font file\n          data = this.convert(name, cff, properties);\n          break;\n\n        case \"OpenType\":\n        case \"TrueType\":\n        case \"CIDFontType2\":\n          this.mimetype = \"font/opentype\";\n\n          // Repair the TrueType file. It is can be damaged in the point of\n          // view of the sanitizer\n          data = this.checkAndRepair(name, file, properties);\n          if (this.isOpenType) {\n            adjustWidths(properties);\n\n            type = \"OpenType\";\n          }\n          break;\n\n        default:\n          throw new FormatError(`Font ${type} is not supported`);\n      }\n    } catch (e) {\n      warn(e);\n      this.fallbackToSystemFont();\n      return;\n    }\n\n    this.data = data;\n    this.fontType = getFontType(type, subtype);\n\n    // Transfer some properties again that could change during font conversion\n    this.fontMatrix = properties.fontMatrix;\n    this.widths = properties.widths;\n    this.defaultWidth = properties.defaultWidth;\n    this.toUnicode = properties.toUnicode;\n    this.seacMap = properties.seacMap;\n  }\n\n  function int16(b0, b1) {\n    return (b0 << 8) + b1;\n  }\n\n  function writeSignedInt16(bytes, index, value) {\n    bytes[index + 1] = value;\n    bytes[index] = value >>> 8;\n  }\n\n  function signedInt16(b0, b1) {\n    var value = (b0 << 8) + b1;\n    return value & (1 << 15) ? value - 0x10000 : value;\n  }\n\n  function int32(b0, b1, b2, b3) {\n    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n  }\n\n  function string16(value) {\n    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);\n  }\n\n  function safeString16(value) {\n    // clamp value to the 16-bit int range\n    if (value > 0x7fff) {\n      value = 0x7fff;\n    } else if (value < -0x8000) {\n      value = -0x8000;\n    }\n    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);\n  }\n\n  function isTrueTypeFile(file) {\n    var header = file.peekBytes(4);\n    return (\n      readUint32(header, 0) === 0x00010000 || bytesToString(header) === \"true\"\n    );\n  }\n\n  function isTrueTypeCollectionFile(file) {\n    const header = file.peekBytes(4);\n    return bytesToString(header) === \"ttcf\";\n  }\n\n  function isOpenTypeFile(file) {\n    var header = file.peekBytes(4);\n    return bytesToString(header) === \"OTTO\";\n  }\n\n  function isType1File(file) {\n    var header = file.peekBytes(2);\n    // All Type1 font programs must begin with the comment '%!' (0x25 + 0x21).\n    if (header[0] === 0x25 && header[1] === 0x21) {\n      return true;\n    }\n    // ... obviously some fonts violate that part of the specification,\n    // please refer to the comment in |Type1Font| below (pfb file header).\n    if (header[0] === 0x80 && header[1] === 0x01) {\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Compared to other font formats, the header in CFF files is not constant\n   * but contains version numbers. To reduce the possibility of misclassifying\n   * font files as CFF, it's recommended to check for other font formats first.\n   */\n  function isCFFFile(file) {\n    const header = file.peekBytes(4);\n    if (\n      /* major version, [1, 255] */ header[0] >= 1 &&\n      /* minor version, [0, 255]; header[1] */\n      /* header size, [0, 255]; header[2] */\n      /* offset(0) size, [1, 4] */ header[3] >= 1 &&\n      header[3] <= 4\n    ) {\n      return true;\n    }\n    return false;\n  }\n\n  function getFontFileType(file, { type, subtype, composite }) {\n    let fileType, fileSubtype;\n\n    if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType2\";\n      } else {\n        fileType = \"TrueType\";\n      }\n    } else if (isOpenTypeFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType2\";\n      } else {\n        fileType = \"OpenType\";\n      }\n    } else if (isType1File(file)) {\n      if (composite) {\n        fileType = \"CIDFontType0\";\n      } else {\n        fileType = type === \"MMType1\" ? \"MMType1\" : \"Type1\";\n      }\n    } else if (isCFFFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType0\";\n        fileSubtype = \"CIDFontType0C\";\n      } else {\n        fileType = type === \"MMType1\" ? \"MMType1\" : \"Type1\";\n        fileSubtype = \"Type1C\";\n      }\n    } else {\n      warn(\"getFontFileType: Unable to detect correct font file Type/Subtype.\");\n      fileType = type;\n      fileSubtype = subtype;\n    }\n\n    return [fileType, fileSubtype];\n  }\n\n  function buildToFontChar(encoding, glyphsUnicodeMap, differences) {\n    var toFontChar = [],\n      unicode;\n    for (var i = 0, ii = encoding.length; i < ii; i++) {\n      unicode = getUnicodeForGlyph(encoding[i], glyphsUnicodeMap);\n      if (unicode !== -1) {\n        toFontChar[i] = unicode;\n      }\n    }\n    for (var charCode in differences) {\n      unicode = getUnicodeForGlyph(differences[charCode], glyphsUnicodeMap);\n      if (unicode !== -1) {\n        toFontChar[+charCode] = unicode;\n      }\n    }\n    return toFontChar;\n  }\n\n  /**\n   * Rebuilds the char code to glyph ID map by moving all char codes to the\n   * private use area. This is done to avoid issues with various problematic\n   * unicode areas where either a glyph won't be drawn or is deformed by a\n   * shaper.\n   * @returns {Object} Two properties:\n   * 'toFontChar' - maps original char codes(the value that will be read\n   * from commands such as show text) to the char codes that will be used in the\n   * font that we build\n   * 'charCodeToGlyphId' - maps the new font char codes to glyph ids\n   */\n  function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {\n    var newMap = Object.create(null);\n    var toFontChar = [];\n    var privateUseAreaIndex = 0;\n    var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];\n    var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];\n    for (var originalCharCode in charCodeToGlyphId) {\n      originalCharCode |= 0;\n      var glyphId = charCodeToGlyphId[originalCharCode];\n      // For missing glyphs don't create the mappings so the glyph isn't\n      // drawn.\n      if (!hasGlyph(glyphId)) {\n        continue;\n      }\n      if (nextAvailableFontCharCode > privateUseOffetEnd) {\n        privateUseAreaIndex++;\n        if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {\n          warn(\"Ran out of space in font private use area.\");\n          break;\n        }\n        nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];\n        privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];\n      }\n      var fontCharCode = nextAvailableFontCharCode++;\n      if (glyphId === 0) {\n        glyphId = newGlyphZeroId;\n      }\n\n      newMap[fontCharCode] = glyphId;\n      toFontChar[originalCharCode] = fontCharCode;\n    }\n    return {\n      toFontChar,\n      charCodeToGlyphId: newMap,\n      nextAvailableFontCharCode,\n    };\n  }\n\n  function getRanges(glyphs, numGlyphs) {\n    // Array.sort() sorts by characters, not numerically, so convert to an\n    // array of characters.\n    var codes = [];\n    for (var charCode in glyphs) {\n      // Remove an invalid glyph ID mappings to make OTS happy.\n      if (glyphs[charCode] >= numGlyphs) {\n        continue;\n      }\n      codes.push({ fontCharCode: charCode | 0, glyphId: glyphs[charCode] });\n    }\n    // Some fonts have zero glyphs and are used only for text selection, but\n    // there needs to be at least one to build a valid cmap table.\n    if (codes.length === 0) {\n      codes.push({ fontCharCode: 0, glyphId: 0 });\n    }\n    codes.sort(function fontGetRangesSort(a, b) {\n      return a.fontCharCode - b.fontCharCode;\n    });\n\n    // Split the sorted codes into ranges.\n    var ranges = [];\n    var length = codes.length;\n    for (var n = 0; n < length; ) {\n      var start = codes[n].fontCharCode;\n      var codeIndices = [codes[n].glyphId];\n      ++n;\n      var end = start;\n      while (n < length && end + 1 === codes[n].fontCharCode) {\n        codeIndices.push(codes[n].glyphId);\n        ++end;\n        ++n;\n        if (end === 0xffff) {\n          break;\n        }\n      }\n      ranges.push([start, end, codeIndices]);\n    }\n\n    return ranges;\n  }\n\n  function createCmapTable(glyphs, numGlyphs) {\n    var ranges = getRanges(glyphs, numGlyphs);\n    var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;\n    var cmap =\n      \"\\x00\\x00\" + // version\n      string16(numTables) + // numTables\n      \"\\x00\\x03\" + // platformID\n      \"\\x00\\x01\" + // encodingID\n      string32(4 + numTables * 8); // start of the table record\n\n    var i, ii, j, jj;\n    for (i = ranges.length - 1; i >= 0; --i) {\n      if (ranges[i][0] <= 0xffff) {\n        break;\n      }\n    }\n    var bmpLength = i + 1;\n\n    if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {\n      ranges[i][1] = 0xfffe;\n    }\n    var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;\n    var segCount = bmpLength + trailingRangesCount;\n    var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);\n\n    // Fill up the 4 parallel arrays describing the segments.\n    var startCount = \"\";\n    var endCount = \"\";\n    var idDeltas = \"\";\n    var idRangeOffsets = \"\";\n    var glyphsIds = \"\";\n    var bias = 0;\n\n    var range, start, end, codes;\n    for (i = 0, ii = bmpLength; i < ii; i++) {\n      range = ranges[i];\n      start = range[0];\n      end = range[1];\n      startCount += string16(start);\n      endCount += string16(end);\n      codes = range[2];\n      var contiguous = true;\n      for (j = 1, jj = codes.length; j < jj; ++j) {\n        if (codes[j] !== codes[j - 1] + 1) {\n          contiguous = false;\n          break;\n        }\n      }\n      if (!contiguous) {\n        var offset = (segCount - i) * 2 + bias * 2;\n        bias += end - start + 1;\n\n        idDeltas += string16(0);\n        idRangeOffsets += string16(offset);\n\n        for (j = 0, jj = codes.length; j < jj; ++j) {\n          glyphsIds += string16(codes[j]);\n        }\n      } else {\n        var startCode = codes[0];\n\n        idDeltas += string16((startCode - start) & 0xffff);\n        idRangeOffsets += string16(0);\n      }\n    }\n\n    if (trailingRangesCount > 0) {\n      endCount += \"\\xFF\\xFF\";\n      startCount += \"\\xFF\\xFF\";\n      idDeltas += \"\\x00\\x01\";\n      idRangeOffsets += \"\\x00\\x00\";\n    }\n\n    var format314 =\n      \"\\x00\\x00\" + // language\n      string16(2 * segCount) +\n      string16(searchParams.range) +\n      string16(searchParams.entry) +\n      string16(searchParams.rangeShift) +\n      endCount +\n      \"\\x00\\x00\" +\n      startCount +\n      idDeltas +\n      idRangeOffsets +\n      glyphsIds;\n\n    var format31012 = \"\";\n    var header31012 = \"\";\n    if (numTables > 1) {\n      cmap +=\n        \"\\x00\\x03\" + // platformID\n        \"\\x00\\x0A\" + // encodingID\n        string32(4 + numTables * 8 + 4 + format314.length); // start of the table record\n      format31012 = \"\";\n      for (i = 0, ii = ranges.length; i < ii; i++) {\n        range = ranges[i];\n        start = range[0];\n        codes = range[2];\n        var code = codes[0];\n        for (j = 1, jj = codes.length; j < jj; ++j) {\n          if (codes[j] !== codes[j - 1] + 1) {\n            end = range[0] + j - 1;\n            format31012 +=\n              string32(start) + // startCharCode\n              string32(end) + // endCharCode\n              string32(code); // startGlyphID\n            start = end + 1;\n            code = codes[j];\n          }\n        }\n        format31012 +=\n          string32(start) + // startCharCode\n          string32(range[1]) + // endCharCode\n          string32(code); // startGlyphID\n      }\n      header31012 =\n        \"\\x00\\x0C\" + // format\n        \"\\x00\\x00\" + // reserved\n        string32(format31012.length + 16) + // length\n        \"\\x00\\x00\\x00\\x00\" + // language\n        string32(format31012.length / 12); // nGroups\n    }\n\n    return (\n      cmap +\n      \"\\x00\\x04\" + // format\n      string16(format314.length + 4) + // length\n      format314 +\n      header31012 +\n      format31012\n    );\n  }\n\n  function validateOS2Table(os2, file) {\n    file.pos = (file.start || 0) + os2.offset;\n    var version = file.getUint16();\n    // TODO verify all OS/2 tables fields, but currently we validate only those\n    // that give us issues\n    file.skip(60); // skipping type, misc sizes, panose, unicode ranges\n    var selection = file.getUint16();\n    if (version < 4 && selection & 0x0300) {\n      return false;\n    }\n    var firstChar = file.getUint16();\n    var lastChar = file.getUint16();\n    if (firstChar > lastChar) {\n      return false;\n    }\n    file.skip(6); // skipping sTypoAscender/Descender/LineGap\n    var usWinAscent = file.getUint16();\n    if (usWinAscent === 0) {\n      // makes font unreadable by windows\n      return false;\n    }\n\n    // OS/2 appears to be valid, resetting some fields\n    os2.data[8] = os2.data[9] = 0; // IE rejects fonts if fsType != 0\n    return true;\n  }\n\n  function createOS2Table(properties, charstrings, override) {\n    override = override || {\n      unitsPerEm: 0,\n      yMax: 0,\n      yMin: 0,\n      ascent: 0,\n      descent: 0,\n    };\n\n    var ulUnicodeRange1 = 0;\n    var ulUnicodeRange2 = 0;\n    var ulUnicodeRange3 = 0;\n    var ulUnicodeRange4 = 0;\n\n    var firstCharIndex = null;\n    var lastCharIndex = 0;\n\n    if (charstrings) {\n      for (var code in charstrings) {\n        code |= 0;\n        if (firstCharIndex > code || !firstCharIndex) {\n          firstCharIndex = code;\n        }\n        if (lastCharIndex < code) {\n          lastCharIndex = code;\n        }\n\n        var position = getUnicodeRangeFor(code);\n        if (position < 32) {\n          ulUnicodeRange1 |= 1 << position;\n        } else if (position < 64) {\n          ulUnicodeRange2 |= 1 << (position - 32);\n        } else if (position < 96) {\n          ulUnicodeRange3 |= 1 << (position - 64);\n        } else if (position < 123) {\n          ulUnicodeRange4 |= 1 << (position - 96);\n        } else {\n          throw new FormatError(\n            \"Unicode ranges Bits > 123 are reserved for internal usage\"\n          );\n        }\n      }\n      if (lastCharIndex > 0xffff) {\n        // OS2 only supports a 16 bit int. The spec says if supplementary\n        // characters are used the field should just be set to 0xFFFF.\n        lastCharIndex = 0xffff;\n      }\n    } else {\n      // TODO\n      firstCharIndex = 0;\n      lastCharIndex = 255;\n    }\n\n    var bbox = properties.bbox || [0, 0, 0, 0];\n    var unitsPerEm =\n      override.unitsPerEm ||\n      1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0];\n\n    // if the font units differ to the PDF glyph space units\n    // then scale up the values\n    var scale = properties.ascentScaled\n      ? 1.0\n      : unitsPerEm / PDF_GLYPH_SPACE_UNITS;\n\n    var typoAscent =\n      override.ascent || Math.round(scale * (properties.ascent || bbox[3]));\n    var typoDescent =\n      override.descent || Math.round(scale * (properties.descent || bbox[1]));\n    if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {\n      typoDescent = -typoDescent; // fixing incorrect descent\n    }\n    var winAscent = override.yMax || typoAscent;\n    var winDescent = -override.yMin || -typoDescent;\n\n    return (\n      \"\\x00\\x03\" + // version\n      \"\\x02\\x24\" + // xAvgCharWidth\n      \"\\x01\\xF4\" + // usWeightClass\n      \"\\x00\\x05\" + // usWidthClass\n      \"\\x00\\x00\" + // fstype (0 to let the font loads via font-face on IE)\n      \"\\x02\\x8A\" + // ySubscriptXSize\n      \"\\x02\\xBB\" + // ySubscriptYSize\n      \"\\x00\\x00\" + // ySubscriptXOffset\n      \"\\x00\\x8C\" + // ySubscriptYOffset\n      \"\\x02\\x8A\" + // ySuperScriptXSize\n      \"\\x02\\xBB\" + // ySuperScriptYSize\n      \"\\x00\\x00\" + // ySuperScriptXOffset\n      \"\\x01\\xDF\" + // ySuperScriptYOffset\n      \"\\x00\\x31\" + // yStrikeOutSize\n      \"\\x01\\x02\" + // yStrikeOutPosition\n      \"\\x00\\x00\" + // sFamilyClass\n      \"\\x00\\x00\\x06\" +\n      String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) +\n      \"\\x00\\x00\\x00\\x00\\x00\\x00\" + // Panose\n      string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31)\n      string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63)\n      string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95)\n      string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127)\n      \"\\x2A\\x32\\x31\\x2A\" + // achVendID\n      string16(properties.italicAngle ? 1 : 0) + // fsSelection\n      string16(firstCharIndex || properties.firstChar) + // usFirstCharIndex\n      string16(lastCharIndex || properties.lastChar) + // usLastCharIndex\n      string16(typoAscent) + // sTypoAscender\n      string16(typoDescent) + // sTypoDescender\n      \"\\x00\\x64\" + // sTypoLineGap (7%-10% of the unitsPerEM value)\n      string16(winAscent) + // usWinAscent\n      string16(winDescent) + // usWinDescent\n      \"\\x00\\x00\\x00\\x00\" + // ulCodePageRange1 (Bits 0-31)\n      \"\\x00\\x00\\x00\\x00\" + // ulCodePageRange2 (Bits 32-63)\n      string16(properties.xHeight) + // sxHeight\n      string16(properties.capHeight) + // sCapHeight\n      string16(0) + // usDefaultChar\n      string16(firstCharIndex || properties.firstChar) + // usBreakChar\n      \"\\x00\\x03\"\n    ); // usMaxContext\n  }\n\n  function createPostTable(properties) {\n    var angle = Math.floor(properties.italicAngle * 2 ** 16);\n    return (\n      \"\\x00\\x03\\x00\\x00\" + // Version number\n      string32(angle) + // italicAngle\n      \"\\x00\\x00\" + // underlinePosition\n      \"\\x00\\x00\" + // underlineThickness\n      string32(properties.fixedPitch) + // isFixedPitch\n      \"\\x00\\x00\\x00\\x00\" + // minMemType42\n      \"\\x00\\x00\\x00\\x00\" + // maxMemType42\n      \"\\x00\\x00\\x00\\x00\" + // minMemType1\n      \"\\x00\\x00\\x00\\x00\"\n    ); // maxMemType1\n  }\n\n  function createNameTable(name, proto) {\n    if (!proto) {\n      proto = [[], []]; // no strings and unicode strings\n    }\n\n    var strings = [\n      proto[0][0] || \"Original licence\", // 0.Copyright\n      proto[0][1] || name, // 1.Font family\n      proto[0][2] || \"Unknown\", // 2.Font subfamily (font weight)\n      proto[0][3] || \"uniqueID\", // 3.Unique ID\n      proto[0][4] || name, // 4.Full font name\n      proto[0][5] || \"Version 0.11\", // 5.Version\n      proto[0][6] || \"\", // 6.Postscript name\n      proto[0][7] || \"Unknown\", // 7.Trademark\n      proto[0][8] || \"Unknown\", // 8.Manufacturer\n      proto[0][9] || \"Unknown\", // 9.Designer\n    ];\n\n    // Mac want 1-byte per character strings while Windows want\n    // 2-bytes per character, so duplicate the names table\n    var stringsUnicode = [];\n    var i, ii, j, jj, str;\n    for (i = 0, ii = strings.length; i < ii; i++) {\n      str = proto[1][i] || strings[i];\n\n      var strBufUnicode = [];\n      for (j = 0, jj = str.length; j < jj; j++) {\n        strBufUnicode.push(string16(str.charCodeAt(j)));\n      }\n      stringsUnicode.push(strBufUnicode.join(\"\"));\n    }\n\n    var names = [strings, stringsUnicode];\n    var platforms = [\"\\x00\\x01\", \"\\x00\\x03\"];\n    var encodings = [\"\\x00\\x00\", \"\\x00\\x01\"];\n    var languages = [\"\\x00\\x00\", \"\\x04\\x09\"];\n\n    var namesRecordCount = strings.length * platforms.length;\n    var nameTable =\n      \"\\x00\\x00\" + // format\n      string16(namesRecordCount) + // Number of names Record\n      string16(namesRecordCount * 12 + 6); // Storage\n\n    // Build the name records field\n    var strOffset = 0;\n    for (i = 0, ii = platforms.length; i < ii; i++) {\n      var strs = names[i];\n      for (j = 0, jj = strs.length; j < jj; j++) {\n        str = strs[j];\n        var nameRecord =\n          platforms[i] + // platform ID\n          encodings[i] + // encoding ID\n          languages[i] + // language ID\n          string16(j) + // name ID\n          string16(str.length) +\n          string16(strOffset);\n        nameTable += nameRecord;\n        strOffset += str.length;\n      }\n    }\n\n    nameTable += strings.join(\"\") + stringsUnicode.join(\"\");\n    return nameTable;\n  }\n\n  Font.prototype = {\n    name: null,\n    font: null,\n    mimetype: null,\n    disableFontFace: false,\n\n    get renderer() {\n      var renderer = FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);\n      return shadow(this, \"renderer\", renderer);\n    },\n\n    exportData(extraProperties = false) {\n      const exportDataProperties = extraProperties\n        ? [...EXPORT_DATA_PROPERTIES, ...EXPORT_DATA_EXTRA_PROPERTIES]\n        : EXPORT_DATA_PROPERTIES;\n\n      const data = Object.create(null);\n      let property, value;\n      for (property of exportDataProperties) {\n        value = this[property];\n        // Ignore properties that haven't been explicitly set.\n        if (value !== undefined) {\n          data[property] = value;\n        }\n      }\n      return data;\n    },\n\n    fallbackToSystemFont: function Font_fallbackToSystemFont() {\n      this.missingFile = true;\n      // The file data is not specified. Trying to fix the font name\n      // to be used with the canvas.font.\n      var name = this.name;\n      var type = this.type;\n      var subtype = this.subtype;\n      let fontName = name.replace(/[,_]/g, \"-\").replace(/\\s/g, \"\");\n      var stdFontMap = getStdFontMap(),\n        nonStdFontMap = getNonStdFontMap();\n      var isStandardFont =\n        !!stdFontMap[fontName] ||\n        !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);\n      fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;\n\n      this.bold = fontName.search(/bold/gi) !== -1;\n      this.italic =\n        fontName.search(/oblique/gi) !== -1 ||\n        fontName.search(/italic/gi) !== -1;\n\n      // Use 'name' instead of 'fontName' here because the original\n      // name ArialBlack for example will be replaced by Helvetica.\n      this.black = name.search(/Black/g) !== -1;\n\n      // if at least one width is present, remeasure all chars when exists\n      this.remeasure = Object.keys(this.widths).length > 0;\n      if (\n        isStandardFont &&\n        type === \"CIDFontType2\" &&\n        this.cidEncoding.startsWith(\"Identity-\")\n      ) {\n        const GlyphMapForStandardFonts = getGlyphMapForStandardFonts();\n        // Standard fonts might be embedded as CID font without glyph mapping.\n        // Building one based on GlyphMapForStandardFonts.\n        const map = [];\n        for (const charCode in GlyphMapForStandardFonts) {\n          map[+charCode] = GlyphMapForStandardFonts[charCode];\n        }\n        if (/Arial-?Black/i.test(name)) {\n          var SupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack();\n          for (const charCode in SupplementalGlyphMapForArialBlack) {\n            map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];\n          }\n        } else if (/Calibri/i.test(name)) {\n          const SupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri();\n          for (const charCode in SupplementalGlyphMapForCalibri) {\n            map[+charCode] = SupplementalGlyphMapForCalibri[charCode];\n          }\n        }\n\n        var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;\n        if (!isIdentityUnicode) {\n          this.toUnicode.forEach(function (charCode, unicodeCharCode) {\n            map[+charCode] = unicodeCharCode;\n          });\n        }\n        this.toFontChar = map;\n        this.toUnicode = new ToUnicodeMap(map);\n      } else if (/Symbol/i.test(fontName)) {\n        this.toFontChar = buildToFontChar(\n          SymbolSetEncoding,\n          getGlyphsUnicode(),\n          this.differences\n        );\n      } else if (/Dingbats/i.test(fontName)) {\n        if (/Wingdings/i.test(name)) {\n          warn(\"Non-embedded Wingdings font, falling back to ZapfDingbats.\");\n        }\n        this.toFontChar = buildToFontChar(\n          ZapfDingbatsEncoding,\n          getDingbatsGlyphsUnicode(),\n          this.differences\n        );\n      } else if (isStandardFont) {\n        this.toFontChar = buildToFontChar(\n          this.defaultEncoding,\n          getGlyphsUnicode(),\n          this.differences\n        );\n      } else {\n        const glyphsUnicodeMap = getGlyphsUnicode();\n        const map = [];\n        this.toUnicode.forEach((charCode, unicodeCharCode) => {\n          if (!this.composite) {\n            var glyphName =\n              this.differences[charCode] || this.defaultEncoding[charCode];\n            const unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n            if (unicode !== -1) {\n              unicodeCharCode = unicode;\n            }\n          }\n          map[+charCode] = unicodeCharCode;\n        });\n\n        // Attempt to improve the glyph mapping for (some) composite fonts that\n        // appear to lack meaningful ToUnicode data.\n        if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {\n          if (/Verdana/i.test(name)) {\n            // Fixes issue11242_reduced.pdf\n            const GlyphMapForStandardFonts = getGlyphMapForStandardFonts();\n            for (const charCode in GlyphMapForStandardFonts) {\n              map[+charCode] = GlyphMapForStandardFonts[charCode];\n            }\n          }\n        }\n        this.toFontChar = map;\n      }\n      this.loadedName = fontName.split(\"-\")[0];\n      this.fontType = getFontType(type, subtype);\n    },\n\n    checkAndRepair: function Font_checkAndRepair(name, font, properties) {\n      const VALID_TABLES = [\n        \"OS/2\",\n        \"cmap\",\n        \"head\",\n        \"hhea\",\n        \"hmtx\",\n        \"maxp\",\n        \"name\",\n        \"post\",\n        \"loca\",\n        \"glyf\",\n        \"fpgm\",\n        \"prep\",\n        \"cvt \",\n        \"CFF \",\n      ];\n\n      function readTables(file, numTables) {\n        const tables = Object.create(null);\n        tables[\"OS/2\"] = null;\n        tables.cmap = null;\n        tables.head = null;\n        tables.hhea = null;\n        tables.hmtx = null;\n        tables.maxp = null;\n        tables.name = null;\n        tables.post = null;\n\n        for (let i = 0; i < numTables; i++) {\n          const table = readTableEntry(file);\n          if (!VALID_TABLES.includes(table.tag)) {\n            continue; // skipping table if it's not a required or optional table\n          }\n          if (table.length === 0) {\n            continue; // skipping empty tables\n          }\n          tables[table.tag] = table;\n        }\n        return tables;\n      }\n\n      function readTableEntry(file) {\n        var tag = bytesToString(file.getBytes(4));\n\n        var checksum = file.getInt32() >>> 0;\n        var offset = file.getInt32() >>> 0;\n        var length = file.getInt32() >>> 0;\n\n        // Read the table associated data\n        var previousPosition = file.pos;\n        file.pos = file.start ? file.start : 0;\n        file.skip(offset);\n        var data = file.getBytes(length);\n        file.pos = previousPosition;\n\n        if (tag === \"head\") {\n          // clearing checksum adjustment\n          data[8] = data[9] = data[10] = data[11] = 0;\n          data[17] |= 0x20; // Set font optimized for cleartype flag.\n        }\n\n        return {\n          tag,\n          checksum,\n          length,\n          offset,\n          data,\n        };\n      }\n\n      function readOpenTypeHeader(ttf) {\n        return {\n          version: bytesToString(ttf.getBytes(4)),\n          numTables: ttf.getUint16(),\n          searchRange: ttf.getUint16(),\n          entrySelector: ttf.getUint16(),\n          rangeShift: ttf.getUint16(),\n        };\n      }\n\n      function readTrueTypeCollectionHeader(ttc) {\n        const ttcTag = bytesToString(ttc.getBytes(4));\n        assert(ttcTag === \"ttcf\", \"Must be a TrueType Collection font.\");\n\n        const majorVersion = ttc.getUint16();\n        const minorVersion = ttc.getUint16();\n        const numFonts = ttc.getInt32() >>> 0;\n        const offsetTable = [];\n        for (let i = 0; i < numFonts; i++) {\n          offsetTable.push(ttc.getInt32() >>> 0);\n        }\n\n        const header = {\n          ttcTag,\n          majorVersion,\n          minorVersion,\n          numFonts,\n          offsetTable,\n        };\n        switch (majorVersion) {\n          case 1:\n            return header;\n          case 2:\n            header.dsigTag = ttc.getInt32() >>> 0;\n            header.dsigLength = ttc.getInt32() >>> 0;\n            header.dsigOffset = ttc.getInt32() >>> 0;\n            return header;\n        }\n        throw new FormatError(\n          `Invalid TrueType Collection majorVersion: ${majorVersion}.`\n        );\n      }\n\n      function readTrueTypeCollectionData(ttc, fontName) {\n        const { numFonts, offsetTable } = readTrueTypeCollectionHeader(ttc);\n\n        for (let i = 0; i < numFonts; i++) {\n          ttc.pos = (ttc.start || 0) + offsetTable[i];\n          const potentialHeader = readOpenTypeHeader(ttc);\n          const potentialTables = readTables(ttc, potentialHeader.numTables);\n\n          if (!potentialTables.name) {\n            throw new FormatError(\n              'TrueType Collection font must contain a \"name\" table.'\n            );\n          }\n          const nameTable = readNameTable(potentialTables.name);\n\n          for (let j = 0, jj = nameTable.length; j < jj; j++) {\n            for (let k = 0, kk = nameTable[j].length; k < kk; k++) {\n              const nameEntry = nameTable[j][k];\n              if (nameEntry && nameEntry.replace(/\\s/g, \"\") === fontName) {\n                return {\n                  header: potentialHeader,\n                  tables: potentialTables,\n                };\n              }\n            }\n          }\n        }\n        throw new FormatError(\n          `TrueType Collection does not contain \"${fontName}\" font.`\n        );\n      }\n\n      /**\n       * Read the appropriate subtable from the cmap according to 9.6.6.4 from\n       * PDF spec\n       */\n      function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {\n        if (!cmap) {\n          warn(\"No cmap table available.\");\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n        var segment;\n        var start = (file.start ? file.start : 0) + cmap.offset;\n        file.pos = start;\n\n        file.skip(2); // version\n        var numTables = file.getUint16();\n\n        var potentialTable;\n        var canBreak = false;\n        // There's an order of preference in terms of which cmap subtable to\n        // use:\n        // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table\n        // - symbolic fonts the preference is a 3,0 table then a 1,0 table\n        // The following takes advantage of the fact that the tables are sorted\n        // to work.\n        for (var i = 0; i < numTables; i++) {\n          var platformId = file.getUint16();\n          var encodingId = file.getUint16();\n          var offset = file.getInt32() >>> 0;\n          var useTable = false;\n\n          // Sometimes there are multiple of the same type of table. Default\n          // to choosing the first table and skip the rest.\n          if (\n            potentialTable &&\n            potentialTable.platformId === platformId &&\n            potentialTable.encodingId === encodingId\n          ) {\n            continue;\n          }\n\n          if (\n            platformId === 0 &&\n            (encodingId === /* Unicode Default */ 0 ||\n              encodingId === /* Unicode 1.1 */ 1 ||\n              encodingId === /* Unicode BMP */ 3)\n          ) {\n            useTable = true;\n            // Continue the loop since there still may be a higher priority\n            // table.\n          } else if (platformId === 1 && encodingId === 0) {\n            useTable = true;\n            // Continue the loop since there still may be a higher priority\n            // table.\n          } else if (\n            platformId === 3 &&\n            encodingId === 1 &&\n            (hasEncoding || !potentialTable)\n          ) {\n            useTable = true;\n            if (!isSymbolicFont) {\n              canBreak = true;\n            }\n          } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {\n            useTable = true;\n            canBreak = true;\n          }\n\n          if (useTable) {\n            potentialTable = {\n              platformId,\n              encodingId,\n              offset,\n            };\n          }\n          if (canBreak) {\n            break;\n          }\n        }\n\n        if (potentialTable) {\n          file.pos = start + potentialTable.offset;\n        }\n        if (!potentialTable || file.peekByte() === -1) {\n          warn(\"Could not find a preferred cmap table.\");\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n\n        var format = file.getUint16();\n        file.skip(2 + 2); // length + language\n\n        var hasShortCmap = false;\n        var mappings = [];\n        var j, glyphId;\n\n        // TODO(mack): refactor this cmap subtable reading logic out\n        if (format === 0) {\n          for (j = 0; j < 256; j++) {\n            var index = file.getByte();\n            if (!index) {\n              continue;\n            }\n            mappings.push({\n              charCode: j,\n              glyphId: index,\n            });\n          }\n          hasShortCmap = true;\n        } else if (format === 4) {\n          // re-creating the table in format 4 since the encoding\n          // might be changed\n          var segCount = file.getUint16() >> 1;\n          file.skip(6); // skipping range fields\n          var segIndex,\n            segments = [];\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments.push({ end: file.getUint16() });\n          }\n          file.skip(2);\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments[segIndex].start = file.getUint16();\n          }\n\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments[segIndex].delta = file.getUint16();\n          }\n\n          var offsetsCount = 0;\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segment = segments[segIndex];\n            var rangeOffset = file.getUint16();\n            if (!rangeOffset) {\n              segment.offsetIndex = -1;\n              continue;\n            }\n\n            var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);\n            segment.offsetIndex = offsetIndex;\n            offsetsCount = Math.max(\n              offsetsCount,\n              offsetIndex + segment.end - segment.start + 1\n            );\n          }\n\n          var offsets = [];\n          for (j = 0; j < offsetsCount; j++) {\n            offsets.push(file.getUint16());\n          }\n\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segment = segments[segIndex];\n            start = segment.start;\n            var end = segment.end;\n            var delta = segment.delta;\n            offsetIndex = segment.offsetIndex;\n\n            for (j = start; j <= end; j++) {\n              if (j === 0xffff) {\n                continue;\n              }\n\n              glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];\n              glyphId = (glyphId + delta) & 0xffff;\n              mappings.push({\n                charCode: j,\n                glyphId,\n              });\n            }\n          }\n        } else if (format === 6) {\n          // Format 6 is a 2-bytes dense mapping, which means the font data\n          // lives glue together even if they are pretty far in the unicode\n          // table. (This looks weird, so I can have missed something), this\n          // works on Linux but seems to fails on Mac so let's rewrite the\n          // cmap table to a 3-1-4 style\n          var firstCode = file.getUint16();\n          var entryCount = file.getUint16();\n\n          for (j = 0; j < entryCount; j++) {\n            glyphId = file.getUint16();\n            var charCode = firstCode + j;\n\n            mappings.push({\n              charCode,\n              glyphId,\n            });\n          }\n        } else {\n          warn(\"cmap table has unsupported format: \" + format);\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n\n        // removing duplicate entries\n        mappings.sort(function (a, b) {\n          return a.charCode - b.charCode;\n        });\n        for (i = 1; i < mappings.length; i++) {\n          if (mappings[i - 1].charCode === mappings[i].charCode) {\n            mappings.splice(i, 1);\n            i--;\n          }\n        }\n\n        return {\n          platformId: potentialTable.platformId,\n          encodingId: potentialTable.encodingId,\n          mappings,\n          hasShortCmap,\n        };\n      }\n\n      function sanitizeMetrics(\n        file,\n        header,\n        metrics,\n        numGlyphs,\n        dupFirstEntry\n      ) {\n        if (!header) {\n          if (metrics) {\n            metrics.data = null;\n          }\n          return;\n        }\n\n        file.pos = (file.start ? file.start : 0) + header.offset;\n        file.pos += 4; // version\n        file.pos += 2; // ascent\n        file.pos += 2; // descent\n        file.pos += 2; // linegap\n        file.pos += 2; // adv_width_max\n        file.pos += 2; // min_sb1\n        file.pos += 2; // min_sb2\n        file.pos += 2; // max_extent\n        file.pos += 2; // caret_slope_rise\n        file.pos += 2; // caret_slope_run\n        file.pos += 2; // caret_offset\n        file.pos += 8; // reserved\n        file.pos += 2; // format\n        var numOfMetrics = file.getUint16();\n\n        if (numOfMetrics > numGlyphs) {\n          info(\n            \"The numOfMetrics (\" +\n              numOfMetrics +\n              \") should not be \" +\n              \"greater than the numGlyphs (\" +\n              numGlyphs +\n              \")\"\n          );\n          // Reduce numOfMetrics if it is greater than numGlyphs\n          numOfMetrics = numGlyphs;\n          header.data[34] = (numOfMetrics & 0xff00) >> 8;\n          header.data[35] = numOfMetrics & 0x00ff;\n        }\n\n        var numOfSidebearings = numGlyphs - numOfMetrics;\n        var numMissing =\n          numOfSidebearings - ((metrics.length - numOfMetrics * 4) >> 1);\n\n        if (numMissing > 0) {\n          // For each missing glyph, we set both the width and lsb to 0 (zero).\n          // Since we need to add two properties for each glyph, this explains\n          // the use of |numMissing * 2| when initializing the typed array.\n          var entries = new Uint8Array(metrics.length + numMissing * 2);\n          entries.set(metrics.data);\n          if (dupFirstEntry) {\n            // Set the sidebearing value of the duplicated glyph.\n            entries[metrics.length] = metrics.data[2];\n            entries[metrics.length + 1] = metrics.data[3];\n          }\n          metrics.data = entries;\n        }\n      }\n\n      function sanitizeGlyph(\n        source,\n        sourceStart,\n        sourceEnd,\n        dest,\n        destStart,\n        hintsValid\n      ) {\n        var glyphProfile = {\n          length: 0,\n          sizeOfInstructions: 0,\n        };\n        if (sourceEnd - sourceStart <= 12) {\n          // glyph with data less than 12 is invalid one\n          return glyphProfile;\n        }\n        var glyf = source.subarray(sourceStart, sourceEnd);\n        var contoursCount = signedInt16(glyf[0], glyf[1]);\n        if (contoursCount < 0) {\n          // OTS doesn't like contour count to be less than -1.\n          contoursCount = -1;\n          writeSignedInt16(glyf, 0, contoursCount);\n          // complex glyph, writing as is\n          dest.set(glyf, destStart);\n          glyphProfile.length = glyf.length;\n          return glyphProfile;\n        }\n\n        var i,\n          j = 10,\n          flagsCount = 0;\n        for (i = 0; i < contoursCount; i++) {\n          var endPoint = (glyf[j] << 8) | glyf[j + 1];\n          flagsCount = endPoint + 1;\n          j += 2;\n        }\n        // skipping instructions\n        var instructionsStart = j;\n        var instructionsLength = (glyf[j] << 8) | glyf[j + 1];\n        glyphProfile.sizeOfInstructions = instructionsLength;\n        j += 2 + instructionsLength;\n        var instructionsEnd = j;\n        // validating flags\n        var coordinatesLength = 0;\n        for (i = 0; i < flagsCount; i++) {\n          var flag = glyf[j++];\n          if (flag & 0xc0) {\n            // reserved flags must be zero, cleaning up\n            glyf[j - 1] = flag & 0x3f;\n          }\n          let xLength = 2;\n          if (flag & 2) {\n            xLength = 1;\n          } else if (flag & 16) {\n            xLength = 0;\n          }\n          let yLength = 2;\n          if (flag & 4) {\n            yLength = 1;\n          } else if (flag & 32) {\n            yLength = 0;\n          }\n          const xyLength = xLength + yLength;\n          coordinatesLength += xyLength;\n          if (flag & 8) {\n            var repeat = glyf[j++];\n            i += repeat;\n            coordinatesLength += repeat * xyLength;\n          }\n        }\n        // glyph without coordinates will be rejected\n        if (coordinatesLength === 0) {\n          return glyphProfile;\n        }\n        var glyphDataLength = j + coordinatesLength;\n        if (glyphDataLength > glyf.length) {\n          // not enough data for coordinates\n          return glyphProfile;\n        }\n        if (!hintsValid && instructionsLength > 0) {\n          dest.set(glyf.subarray(0, instructionsStart), destStart);\n          dest.set([0, 0], destStart + instructionsStart);\n          dest.set(\n            glyf.subarray(instructionsEnd, glyphDataLength),\n            destStart + instructionsStart + 2\n          );\n          glyphDataLength -= instructionsLength;\n          if (glyf.length - glyphDataLength > 3) {\n            glyphDataLength = (glyphDataLength + 3) & ~3;\n          }\n          glyphProfile.length = glyphDataLength;\n          return glyphProfile;\n        }\n        if (glyf.length - glyphDataLength > 3) {\n          // truncating and aligning to 4 bytes the long glyph data\n          glyphDataLength = (glyphDataLength + 3) & ~3;\n          dest.set(glyf.subarray(0, glyphDataLength), destStart);\n          glyphProfile.length = glyphDataLength;\n          return glyphProfile;\n        }\n        // glyph data is fine\n        dest.set(glyf, destStart);\n        glyphProfile.length = glyf.length;\n        return glyphProfile;\n      }\n\n      function sanitizeHead(head, numGlyphs, locaLength) {\n        var data = head.data;\n\n        // Validate version:\n        // Should always be 0x00010000\n        var version = int32(data[0], data[1], data[2], data[3]);\n        if (version >> 16 !== 1) {\n          info(\"Attempting to fix invalid version in head table: \" + version);\n          data[0] = 0;\n          data[1] = 1;\n          data[2] = 0;\n          data[3] = 0;\n        }\n\n        var indexToLocFormat = int16(data[50], data[51]);\n        if (indexToLocFormat < 0 || indexToLocFormat > 1) {\n          info(\n            \"Attempting to fix invalid indexToLocFormat in head table: \" +\n              indexToLocFormat\n          );\n\n          // The value of indexToLocFormat should be 0 if the loca table\n          // consists of short offsets, and should be 1 if the loca table\n          // consists of long offsets.\n          //\n          // The number of entries in the loca table should be numGlyphs + 1.\n          //\n          // Using this information, we can work backwards to deduce if the\n          // size of each offset in the loca table, and thus figure out the\n          // appropriate value for indexToLocFormat.\n\n          var numGlyphsPlusOne = numGlyphs + 1;\n          if (locaLength === numGlyphsPlusOne << 1) {\n            // 0x0000 indicates the loca table consists of short offsets\n            data[50] = 0;\n            data[51] = 0;\n          } else if (locaLength === numGlyphsPlusOne << 2) {\n            // 0x0001 indicates the loca table consists of long offsets\n            data[50] = 0;\n            data[51] = 1;\n          } else {\n            throw new FormatError(\n              \"Could not fix indexToLocFormat: \" + indexToLocFormat\n            );\n          }\n        }\n      }\n\n      function sanitizeGlyphLocations(\n        loca,\n        glyf,\n        numGlyphs,\n        isGlyphLocationsLong,\n        hintsValid,\n        dupFirstEntry,\n        maxSizeOfInstructions\n      ) {\n        var itemSize, itemDecode, itemEncode;\n        if (isGlyphLocationsLong) {\n          itemSize = 4;\n          itemDecode = function fontItemDecodeLong(data, offset) {\n            return (\n              (data[offset] << 24) |\n              (data[offset + 1] << 16) |\n              (data[offset + 2] << 8) |\n              data[offset + 3]\n            );\n          };\n          itemEncode = function fontItemEncodeLong(data, offset, value) {\n            data[offset] = (value >>> 24) & 0xff;\n            data[offset + 1] = (value >> 16) & 0xff;\n            data[offset + 2] = (value >> 8) & 0xff;\n            data[offset + 3] = value & 0xff;\n          };\n        } else {\n          itemSize = 2;\n          itemDecode = function fontItemDecode(data, offset) {\n            return (data[offset] << 9) | (data[offset + 1] << 1);\n          };\n          itemEncode = function fontItemEncode(data, offset, value) {\n            data[offset] = (value >> 9) & 0xff;\n            data[offset + 1] = (value >> 1) & 0xff;\n          };\n        }\n        // The first glyph is duplicated.\n        var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;\n        var locaDataSize = itemSize * (1 + numGlyphsOut);\n        // Resize loca table to account for duplicated glyph.\n        var locaData = new Uint8Array(locaDataSize);\n        locaData.set(loca.data.subarray(0, locaDataSize));\n        loca.data = locaData;\n        // removing the invalid glyphs\n        var oldGlyfData = glyf.data;\n        var oldGlyfDataLength = oldGlyfData.length;\n        var newGlyfData = new Uint8Array(oldGlyfDataLength);\n\n        // The spec says the offsets should be in ascending order, however\n        // this is not true for some fonts or they use the offset of 0 to mark a\n        // glyph as missing. OTS requires the offsets to be in order and not to\n        // be zero, so we must sort and rebuild the loca table and potentially\n        // re-arrange the glyf data.\n        var i, j;\n        const locaEntries = [];\n        // There are numGlyphs + 1 loca table entries.\n        for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {\n          let offset = itemDecode(locaData, j);\n          if (offset > oldGlyfDataLength) {\n            offset = oldGlyfDataLength;\n          }\n          locaEntries.push({\n            index: i,\n            offset,\n            endOffset: 0,\n          });\n        }\n        locaEntries.sort((a, b) => {\n          return a.offset - b.offset;\n        });\n        // Now the offsets are sorted, calculate the end offset of each glyph.\n        // The last loca entry's endOffset is not calculated since it's the end\n        // of the data and will be stored on the previous entry's endOffset.\n        for (i = 0; i < numGlyphs; i++) {\n          locaEntries[i].endOffset = locaEntries[i + 1].offset;\n        }\n        // Re-sort so glyphs aren't out of order.\n        locaEntries.sort((a, b) => {\n          return a.index - b.index;\n        });\n\n        var missingGlyphs = Object.create(null);\n        var writeOffset = 0;\n        itemEncode(locaData, 0, writeOffset);\n        for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {\n          var glyphProfile = sanitizeGlyph(\n            oldGlyfData,\n            locaEntries[i].offset,\n            locaEntries[i].endOffset,\n            newGlyfData,\n            writeOffset,\n            hintsValid\n          );\n          var newLength = glyphProfile.length;\n          if (newLength === 0) {\n            missingGlyphs[i] = true;\n          }\n          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {\n            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;\n          }\n          writeOffset += newLength;\n          itemEncode(locaData, j, writeOffset);\n        }\n\n        if (writeOffset === 0) {\n          // glyf table cannot be empty -- redoing the glyf and loca tables\n          // to have single glyph with one point\n          var simpleGlyph = new Uint8Array([\n            0,\n            1,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            49,\n            0,\n          ]);\n          for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {\n            itemEncode(locaData, j, simpleGlyph.length);\n          }\n          glyf.data = simpleGlyph;\n        } else if (dupFirstEntry) {\n          // Browsers will not display a glyph at position 0. Typically glyph 0\n          // is notdef, but a number of fonts put a valid glyph there so it must\n          // be duplicated and appended.\n          var firstEntryLength = itemDecode(locaData, itemSize);\n          if (newGlyfData.length > firstEntryLength + writeOffset) {\n            glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);\n          } else {\n            glyf.data = new Uint8Array(firstEntryLength + writeOffset);\n            glyf.data.set(newGlyfData.subarray(0, writeOffset));\n          }\n          glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);\n          itemEncode(\n            loca.data,\n            locaData.length - itemSize,\n            writeOffset + firstEntryLength\n          );\n        } else {\n          glyf.data = newGlyfData.subarray(0, writeOffset);\n        }\n        return {\n          missingGlyphs,\n          maxSizeOfInstructions,\n        };\n      }\n\n      function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {\n        var start = (font.start ? font.start : 0) + post.offset;\n        font.pos = start;\n\n        var length = post.length,\n          end = start + length;\n        var version = font.getInt32();\n        // skip rest to the tables\n        font.skip(28);\n\n        var glyphNames;\n        var valid = true;\n        var i;\n\n        switch (version) {\n          case 0x00010000:\n            glyphNames = MacStandardGlyphOrdering;\n            break;\n          case 0x00020000:\n            var numGlyphs = font.getUint16();\n            if (numGlyphs !== maxpNumGlyphs) {\n              valid = false;\n              break;\n            }\n            var glyphNameIndexes = [];\n            for (i = 0; i < numGlyphs; ++i) {\n              var index = font.getUint16();\n              if (index >= 32768) {\n                valid = false;\n                break;\n              }\n              glyphNameIndexes.push(index);\n            }\n            if (!valid) {\n              break;\n            }\n            var customNames = [];\n            var strBuf = [];\n            while (font.pos < end) {\n              var stringLength = font.getByte();\n              strBuf.length = stringLength;\n              for (i = 0; i < stringLength; ++i) {\n                strBuf[i] = String.fromCharCode(font.getByte());\n              }\n              customNames.push(strBuf.join(\"\"));\n            }\n            glyphNames = [];\n            for (i = 0; i < numGlyphs; ++i) {\n              var j = glyphNameIndexes[i];\n              if (j < 258) {\n                glyphNames.push(MacStandardGlyphOrdering[j]);\n                continue;\n              }\n              glyphNames.push(customNames[j - 258]);\n            }\n            break;\n          case 0x00030000:\n            break;\n          default:\n            warn(\"Unknown/unsupported post table version \" + version);\n            valid = false;\n            if (propertiesObj.defaultEncoding) {\n              glyphNames = propertiesObj.defaultEncoding;\n            }\n            break;\n        }\n        propertiesObj.glyphNames = glyphNames;\n        return valid;\n      }\n\n      function readNameTable(nameTable) {\n        var start = (font.start ? font.start : 0) + nameTable.offset;\n        font.pos = start;\n\n        var names = [[], []];\n        var length = nameTable.length,\n          end = start + length;\n        var format = font.getUint16();\n        var FORMAT_0_HEADER_LENGTH = 6;\n        if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {\n          // unsupported name table format or table \"too\" small\n          return names;\n        }\n        var numRecords = font.getUint16();\n        var stringsStart = font.getUint16();\n        var records = [];\n        var NAME_RECORD_LENGTH = 12;\n        var i, ii;\n\n        for (\n          i = 0;\n          i < numRecords && font.pos + NAME_RECORD_LENGTH <= end;\n          i++\n        ) {\n          var r = {\n            platform: font.getUint16(),\n            encoding: font.getUint16(),\n            language: font.getUint16(),\n            name: font.getUint16(),\n            length: font.getUint16(),\n            offset: font.getUint16(),\n          };\n          // using only Macintosh and Windows platform/encoding names\n          if (\n            (r.platform === 1 && r.encoding === 0 && r.language === 0) ||\n            (r.platform === 3 && r.encoding === 1 && r.language === 0x409)\n          ) {\n            records.push(r);\n          }\n        }\n        for (i = 0, ii = records.length; i < ii; i++) {\n          var record = records[i];\n          if (record.length <= 0) {\n            continue; // Nothing to process, ignoring.\n          }\n          var pos = start + stringsStart + record.offset;\n          if (pos + record.length > end) {\n            continue; // outside of name table, ignoring\n          }\n          font.pos = pos;\n          var nameIndex = record.name;\n          if (record.encoding) {\n            // unicode\n            var str = \"\";\n            for (var j = 0, jj = record.length; j < jj; j += 2) {\n              str += String.fromCharCode(font.getUint16());\n            }\n            names[1][nameIndex] = str;\n          } else {\n            names[0][nameIndex] = bytesToString(font.getBytes(record.length));\n          }\n        }\n        return names;\n      }\n\n      // prettier-ignore\n      var TTOpsStackDeltas = [\n        0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5,\n        -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1,\n        1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1,\n        0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2,\n        0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1,\n        -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1,\n        -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n        -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1,\n        -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];\n      // 0xC0-DF == -1 and 0xE0-FF == -2\n\n      function sanitizeTTProgram(table, ttContext) {\n        var data = table.data;\n        var i = 0,\n          j,\n          n,\n          b,\n          funcId,\n          pc,\n          lastEndf = 0,\n          lastDeff = 0;\n        var stack = [];\n        var callstack = [];\n        var functionsCalled = [];\n        var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;\n        var inFDEF = false,\n          ifLevel = 0,\n          inELSE = 0;\n        for (var ii = data.length; i < ii; ) {\n          var op = data[i++];\n          // The TrueType instruction set docs can be found at\n          // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html\n          if (op === 0x40) {\n            // NPUSHB - pushes n bytes\n            n = data[i++];\n            if (inFDEF || inELSE) {\n              i += n;\n            } else {\n              for (j = 0; j < n; j++) {\n                stack.push(data[i++]);\n              }\n            }\n          } else if (op === 0x41) {\n            // NPUSHW - pushes n words\n            n = data[i++];\n            if (inFDEF || inELSE) {\n              i += n * 2;\n            } else {\n              for (j = 0; j < n; j++) {\n                b = data[i++];\n                stack.push((b << 8) | data[i++]);\n              }\n            }\n          } else if ((op & 0xf8) === 0xb0) {\n            // PUSHB - pushes bytes\n            n = op - 0xb0 + 1;\n            if (inFDEF || inELSE) {\n              i += n;\n            } else {\n              for (j = 0; j < n; j++) {\n                stack.push(data[i++]);\n              }\n            }\n          } else if ((op & 0xf8) === 0xb8) {\n            // PUSHW - pushes words\n            n = op - 0xb8 + 1;\n            if (inFDEF || inELSE) {\n              i += n * 2;\n            } else {\n              for (j = 0; j < n; j++) {\n                b = data[i++];\n                stack.push((b << 8) | data[i++]);\n              }\n            }\n          } else if (op === 0x2b && !tooComplexToFollowFunctions) {\n            // CALL\n            if (!inFDEF && !inELSE) {\n              // collecting information about which functions are used\n              funcId = stack[stack.length - 1];\n              if (isNaN(funcId)) {\n                info(\"TT: CALL empty stack (or invalid entry).\");\n              } else {\n                ttContext.functionsUsed[funcId] = true;\n                if (funcId in ttContext.functionsStackDeltas) {\n                  const newStackLength =\n                    stack.length + ttContext.functionsStackDeltas[funcId];\n                  if (newStackLength < 0) {\n                    warn(\"TT: CALL invalid functions stack delta.\");\n                    ttContext.hintsValid = false;\n                    return;\n                  }\n                  stack.length = newStackLength;\n                } else if (\n                  funcId in ttContext.functionsDefined &&\n                  !functionsCalled.includes(funcId)\n                ) {\n                  callstack.push({ data, i, stackTop: stack.length - 1 });\n                  functionsCalled.push(funcId);\n                  pc = ttContext.functionsDefined[funcId];\n                  if (!pc) {\n                    warn(\"TT: CALL non-existent function\");\n                    ttContext.hintsValid = false;\n                    return;\n                  }\n                  data = pc.data;\n                  i = pc.i;\n                }\n              }\n            }\n          } else if (op === 0x2c && !tooComplexToFollowFunctions) {\n            // FDEF\n            if (inFDEF || inELSE) {\n              warn(\"TT: nested FDEFs not allowed\");\n              tooComplexToFollowFunctions = true;\n            }\n            inFDEF = true;\n            // collecting information about which functions are defined\n            lastDeff = i;\n            funcId = stack.pop();\n            ttContext.functionsDefined[funcId] = { data, i };\n          } else if (op === 0x2d) {\n            // ENDF - end of function\n            if (inFDEF) {\n              inFDEF = false;\n              lastEndf = i;\n            } else {\n              pc = callstack.pop();\n              if (!pc) {\n                warn(\"TT: ENDF bad stack\");\n                ttContext.hintsValid = false;\n                return;\n              }\n              funcId = functionsCalled.pop();\n              data = pc.data;\n              i = pc.i;\n              ttContext.functionsStackDeltas[funcId] =\n                stack.length - pc.stackTop;\n            }\n          } else if (op === 0x89) {\n            // IDEF - instruction definition\n            if (inFDEF || inELSE) {\n              warn(\"TT: nested IDEFs not allowed\");\n              tooComplexToFollowFunctions = true;\n            }\n            inFDEF = true;\n            // recording it as a function to track ENDF\n            lastDeff = i;\n          } else if (op === 0x58) {\n            // IF\n            ++ifLevel;\n          } else if (op === 0x1b) {\n            // ELSE\n            inELSE = ifLevel;\n          } else if (op === 0x59) {\n            // EIF\n            if (inELSE === ifLevel) {\n              inELSE = 0;\n            }\n            --ifLevel;\n          } else if (op === 0x1c) {\n            // JMPR\n            if (!inFDEF && !inELSE) {\n              var offset = stack[stack.length - 1];\n              // only jumping forward to prevent infinite loop\n              if (offset > 0) {\n                i += offset - 1;\n              }\n            }\n          }\n          // Adjusting stack not extactly, but just enough to get function id\n          if (!inFDEF && !inELSE) {\n            let stackDelta = 0;\n            if (op <= 0x8e) {\n              stackDelta = TTOpsStackDeltas[op];\n            } else if (op >= 0xc0 && op <= 0xdf) {\n              stackDelta = -1;\n            } else if (op >= 0xe0) {\n              stackDelta = -2;\n            }\n            if (op >= 0x71 && op <= 0x75) {\n              n = stack.pop();\n              if (!isNaN(n)) {\n                stackDelta = -n * 2;\n              }\n            }\n            while (stackDelta < 0 && stack.length > 0) {\n              stack.pop();\n              stackDelta++;\n            }\n            while (stackDelta > 0) {\n              stack.push(NaN); // pushing any number into stack\n              stackDelta--;\n            }\n          }\n        }\n        ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;\n        var content = [data];\n        if (i > data.length) {\n          content.push(new Uint8Array(i - data.length));\n        }\n        if (lastDeff > lastEndf) {\n          warn(\"TT: complementing a missing function tail\");\n          // new function definition started, but not finished\n          // complete function by [CLEAR, ENDF]\n          content.push(new Uint8Array([0x22, 0x2d]));\n        }\n        foldTTTable(table, content);\n      }\n\n      function checkInvalidFunctions(ttContext, maxFunctionDefs) {\n        if (ttContext.tooComplexToFollowFunctions) {\n          return;\n        }\n        if (ttContext.functionsDefined.length > maxFunctionDefs) {\n          warn(\"TT: more functions defined than expected\");\n          ttContext.hintsValid = false;\n          return;\n        }\n        for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {\n          if (j > maxFunctionDefs) {\n            warn(\"TT: invalid function id: \" + j);\n            ttContext.hintsValid = false;\n            return;\n          }\n          if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {\n            warn(\"TT: undefined function: \" + j);\n            ttContext.hintsValid = false;\n            return;\n          }\n        }\n      }\n\n      function foldTTTable(table, content) {\n        if (content.length > 1) {\n          // concatenating the content items\n          var newLength = 0;\n          var j, jj;\n          for (j = 0, jj = content.length; j < jj; j++) {\n            newLength += content[j].length;\n          }\n          newLength = (newLength + 3) & ~3;\n          var result = new Uint8Array(newLength);\n          var pos = 0;\n          for (j = 0, jj = content.length; j < jj; j++) {\n            result.set(content[j], pos);\n            pos += content[j].length;\n          }\n          table.data = result;\n          table.length = newLength;\n        }\n      }\n\n      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {\n        var ttContext = {\n          functionsDefined: [],\n          functionsUsed: [],\n          functionsStackDeltas: [],\n          tooComplexToFollowFunctions: false,\n          hintsValid: true,\n        };\n        if (fpgm) {\n          sanitizeTTProgram(fpgm, ttContext);\n        }\n        if (prep) {\n          sanitizeTTProgram(prep, ttContext);\n        }\n        if (fpgm) {\n          checkInvalidFunctions(ttContext, maxFunctionDefs);\n        }\n        if (cvt && cvt.length & 1) {\n          var cvtData = new Uint8Array(cvt.length + 1);\n          cvtData.set(cvt.data);\n          cvt.data = cvtData;\n        }\n        return ttContext.hintsValid;\n      }\n\n      // The following steps modify the original font data, making copy\n      font = new Stream(new Uint8Array(font.getBytes()));\n\n      let header, tables;\n      if (isTrueTypeCollectionFile(font)) {\n        const ttcData = readTrueTypeCollectionData(font, this.name);\n        header = ttcData.header;\n        tables = ttcData.tables;\n      } else {\n        header = readOpenTypeHeader(font);\n        tables = readTables(font, header.numTables);\n      }\n      let cff, cffFile;\n\n      var isTrueType = !tables[\"CFF \"];\n      if (!isTrueType) {\n        const isComposite =\n          properties.composite &&\n          ((properties.cidToGidMap || []).length > 0 ||\n            !(properties.cMap instanceof IdentityCMap));\n        // OpenType font (skip composite fonts with non-default glyph mapping).\n        if (\n          (header.version === \"OTTO\" && !isComposite) ||\n          !tables.head ||\n          !tables.hhea ||\n          !tables.maxp ||\n          !tables.post\n        ) {\n          // No major tables: throwing everything at `CFFFont`.\n          cffFile = new Stream(tables[\"CFF \"].data);\n          cff = new CFFFont(cffFile, properties);\n\n          adjustWidths(properties);\n\n          return this.convert(name, cff, properties);\n        }\n\n        delete tables.glyf;\n        delete tables.loca;\n        delete tables.fpgm;\n        delete tables.prep;\n        delete tables[\"cvt \"];\n        this.isOpenType = true;\n      } else {\n        if (!tables.loca) {\n          throw new FormatError('Required \"loca\" table is not found');\n        }\n        if (!tables.glyf) {\n          warn('Required \"glyf\" table is not found -- trying to recover.');\n          // Note: We use `sanitizeGlyphLocations` to add dummy glyf data below.\n          tables.glyf = {\n            tag: \"glyf\",\n            data: new Uint8Array(0),\n          };\n        }\n        this.isOpenType = false;\n      }\n\n      if (!tables.maxp) {\n        throw new FormatError('Required \"maxp\" table is not found');\n      }\n\n      font.pos = (font.start || 0) + tables.maxp.offset;\n      var version = font.getInt32();\n      const numGlyphs = font.getUint16();\n      // Glyph 0 is duplicated and appended.\n      let numGlyphsOut = numGlyphs + 1;\n      let dupFirstEntry = true;\n      if (numGlyphsOut > 0xffff) {\n        dupFirstEntry = false;\n        numGlyphsOut = numGlyphs;\n        warn(\"Not enough space in glyfs to duplicate first glyph.\");\n      }\n      var maxFunctionDefs = 0;\n      var maxSizeOfInstructions = 0;\n      if (version >= 0x00010000 && tables.maxp.length >= 22) {\n        // maxZones can be invalid\n        font.pos += 8;\n        var maxZones = font.getUint16();\n        if (maxZones > 2) {\n          // reset to 2 if font has invalid maxZones\n          tables.maxp.data[14] = 0;\n          tables.maxp.data[15] = 2;\n        }\n        font.pos += 4;\n        maxFunctionDefs = font.getUint16();\n        font.pos += 4;\n        maxSizeOfInstructions = font.getUint16();\n      }\n\n      tables.maxp.data[4] = numGlyphsOut >> 8;\n      tables.maxp.data[5] = numGlyphsOut & 255;\n\n      var hintsValid = sanitizeTTPrograms(\n        tables.fpgm,\n        tables.prep,\n        tables[\"cvt \"],\n        maxFunctionDefs\n      );\n      if (!hintsValid) {\n        delete tables.fpgm;\n        delete tables.prep;\n        delete tables[\"cvt \"];\n      }\n\n      // Ensure the hmtx table contains the advance width and\n      // sidebearings information for numGlyphs in the maxp table\n      sanitizeMetrics(\n        font,\n        tables.hhea,\n        tables.hmtx,\n        numGlyphsOut,\n        dupFirstEntry\n      );\n\n      if (!tables.head) {\n        throw new FormatError('Required \"head\" table is not found');\n      }\n\n      sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);\n\n      var missingGlyphs = Object.create(null);\n      if (isTrueType) {\n        var isGlyphLocationsLong = int16(\n          tables.head.data[50],\n          tables.head.data[51]\n        );\n        var glyphsInfo = sanitizeGlyphLocations(\n          tables.loca,\n          tables.glyf,\n          numGlyphs,\n          isGlyphLocationsLong,\n          hintsValid,\n          dupFirstEntry,\n          maxSizeOfInstructions\n        );\n        missingGlyphs = glyphsInfo.missingGlyphs;\n\n        // Some fonts have incorrect maxSizeOfInstructions values, so we use\n        // the computed value instead.\n        if (version >= 0x00010000 && tables.maxp.length >= 22) {\n          tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;\n          tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;\n        }\n      }\n      if (!tables.hhea) {\n        throw new FormatError('Required \"hhea\" table is not found');\n      }\n\n      // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth\n      // Sometimes it's 0. That needs to be fixed\n      if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {\n        tables.hhea.data[10] = 0xff;\n        tables.hhea.data[11] = 0xff;\n      }\n\n      // Extract some more font properties from the OpenType head and\n      // hhea tables; yMin and descent value are always negative.\n      var metricsOverride = {\n        unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),\n        yMax: int16(tables.head.data[42], tables.head.data[43]),\n        yMin: signedInt16(tables.head.data[38], tables.head.data[39]),\n        ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),\n        descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7]),\n      };\n\n      // PDF FontDescriptor metrics lie -- using data from actual font.\n      this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;\n      this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;\n\n      // The 'post' table has glyphs names.\n      if (tables.post) {\n        readPostScriptTable(tables.post, properties, numGlyphs);\n      }\n\n      // The original 'post' table is not needed, replace it.\n      tables.post = {\n        tag: \"post\",\n        data: createPostTable(properties),\n      };\n\n      const charCodeToGlyphId = [];\n\n      // Helper function to try to skip mapping of empty glyphs.\n      function hasGlyph(glyphId) {\n        return !missingGlyphs[glyphId];\n      }\n\n      if (properties.composite) {\n        var cidToGidMap = properties.cidToGidMap || [];\n        var isCidToGidMapEmpty = cidToGidMap.length === 0;\n\n        properties.cMap.forEach(function (charCode, cid) {\n          if (cid > 0xffff) {\n            throw new FormatError(\"Max size of CID is 65,535\");\n          }\n          var glyphId = -1;\n          if (isCidToGidMapEmpty) {\n            glyphId = cid;\n          } else if (cidToGidMap[cid] !== undefined) {\n            glyphId = cidToGidMap[cid];\n          }\n\n          if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        });\n      } else {\n        // Most of the following logic in this code branch is based on the\n        // 9.6.6.4 of the PDF spec.\n        var cmapTable = readCmapTable(\n          tables.cmap,\n          font,\n          this.isSymbolicFont,\n          properties.hasEncoding\n        );\n        var cmapPlatformId = cmapTable.platformId;\n        var cmapEncodingId = cmapTable.encodingId;\n        var cmapMappings = cmapTable.mappings;\n        var cmapMappingsLength = cmapMappings.length;\n        let baseEncoding = [];\n        if (\n          properties.hasEncoding &&\n          (properties.baseEncodingName === \"MacRomanEncoding\" ||\n            properties.baseEncodingName === \"WinAnsiEncoding\")\n        ) {\n          baseEncoding = getEncoding(properties.baseEncodingName);\n        }\n\n        // If the font has an encoding and is not symbolic then follow the\n        // rules in section 9.6.6.4 of the spec on how to map 3,1 and 1,0\n        // cmaps.\n        if (\n          properties.hasEncoding &&\n          !this.isSymbolicFont &&\n          ((cmapPlatformId === 3 && cmapEncodingId === 1) ||\n            (cmapPlatformId === 1 && cmapEncodingId === 0))\n        ) {\n          var glyphsUnicodeMap = getGlyphsUnicode();\n          for (let charCode = 0; charCode < 256; charCode++) {\n            var glyphName, standardGlyphName;\n            if (this.differences && charCode in this.differences) {\n              glyphName = this.differences[charCode];\n            } else if (\n              charCode in baseEncoding &&\n              baseEncoding[charCode] !== \"\"\n            ) {\n              glyphName = baseEncoding[charCode];\n            } else {\n              glyphName = StandardEncoding[charCode];\n            }\n            if (!glyphName) {\n              continue;\n            }\n            // Ensure that non-standard glyph names are resolved to valid ones.\n            standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);\n\n            var unicodeOrCharCode;\n            if (cmapPlatformId === 3 && cmapEncodingId === 1) {\n              unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];\n            } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {\n              // TODO: the encoding needs to be updated with mac os table.\n              unicodeOrCharCode = MacRomanEncoding.indexOf(standardGlyphName);\n            }\n\n            for (let i = 0; i < cmapMappingsLength; ++i) {\n              if (cmapMappings[i].charCode !== unicodeOrCharCode) {\n                continue;\n              }\n              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;\n              break;\n            }\n          }\n        } else if (cmapPlatformId === 0) {\n          // Default Unicode semantics, use the charcodes as is.\n          for (let i = 0; i < cmapMappingsLength; ++i) {\n            charCodeToGlyphId[cmapMappings[i].charCode] =\n              cmapMappings[i].glyphId;\n          }\n        } else {\n          // When there is only a (1, 0) cmap table, the char code is a single\n          // byte and it is used directly as the char code.\n\n          // When a (3, 0) cmap table is present, it is used instead but the\n          // spec has special rules for char codes in the range of 0xF000 to\n          // 0xF0FF and it says the (3, 0) table should map the values from\n          // the (1, 0) table by prepending 0xF0 to the char codes. To reverse\n          // this, the upper bits of the char code are cleared, but only for the\n          // special range since some PDFs have char codes outside of this range\n          // (e.g. 0x2013) which when masked would overwrite other values in the\n          // cmap.\n          for (let i = 0; i < cmapMappingsLength; ++i) {\n            let charCode = cmapMappings[i].charCode;\n            if (\n              cmapPlatformId === 3 &&\n              charCode >= 0xf000 &&\n              charCode <= 0xf0ff\n            ) {\n              charCode &= 0xff;\n            }\n            charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;\n          }\n        }\n\n        // Last, try to map any missing charcodes using the post table.\n        if (properties.glyphNames && baseEncoding.length) {\n          for (let i = 0; i < 256; ++i) {\n            if (charCodeToGlyphId[i] === undefined && baseEncoding[i]) {\n              glyphName = baseEncoding[i];\n              const glyphId = properties.glyphNames.indexOf(glyphName);\n              if (glyphId > 0 && hasGlyph(glyphId)) {\n                charCodeToGlyphId[i] = glyphId;\n              }\n            }\n          }\n        }\n      }\n\n      if (charCodeToGlyphId.length === 0) {\n        // defines at least one glyph\n        charCodeToGlyphId[0] = 0;\n      }\n\n      // Typically glyph 0 is duplicated and the mapping must be updated, but if\n      // there isn't enough room to duplicate, the glyph id is left the same. In\n      // this case, glyph 0 may not work correctly, but that is better than\n      // having the whole font fail.\n      let glyphZeroId = numGlyphsOut - 1;\n      if (!dupFirstEntry) {\n        glyphZeroId = 0;\n      }\n\n      // Converting glyphs and ids into font's cmap table\n      var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);\n      this.toFontChar = newMapping.toFontChar;\n      tables.cmap = {\n        tag: \"cmap\",\n        data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut),\n      };\n\n      if (!tables[\"OS/2\"] || !validateOS2Table(tables[\"OS/2\"], font)) {\n        tables[\"OS/2\"] = {\n          tag: \"OS/2\",\n          data: createOS2Table(\n            properties,\n            newMapping.charCodeToGlyphId,\n            metricsOverride\n          ),\n        };\n      }\n\n      if (!isTrueType) {\n        try {\n          // Trying to repair CFF file\n          cffFile = new Stream(tables[\"CFF \"].data);\n          var parser = new CFFParser(\n            cffFile,\n            properties,\n            SEAC_ANALYSIS_ENABLED\n          );\n          cff = parser.parse();\n          cff.duplicateFirstGlyph();\n          var compiler = new CFFCompiler(cff);\n          tables[\"CFF \"].data = compiler.compile();\n        } catch (e) {\n          warn(\"Failed to compile font \" + properties.loadedName);\n        }\n      }\n\n      // Re-creating 'name' table\n      if (!tables.name) {\n        tables.name = {\n          tag: \"name\",\n          data: createNameTable(this.name),\n        };\n      } else {\n        // ... using existing 'name' table as prototype\n        var namePrototype = readNameTable(tables.name);\n        tables.name.data = createNameTable(name, namePrototype);\n      }\n\n      var builder = new OpenTypeFileBuilder(header.version);\n      for (var tableTag in tables) {\n        builder.addTable(tableTag, tables[tableTag].data);\n      }\n      return builder.toArray();\n    },\n\n    convert: function Font_convert(fontName, font, properties) {\n      // TODO: Check the charstring widths to determine this.\n      properties.fixedPitch = false;\n\n      if (properties.builtInEncoding) {\n        // For Type1 fonts that do not include either `ToUnicode` or `Encoding`\n        // data, attempt to use the `builtInEncoding` to improve text selection.\n        adjustToUnicode(properties, properties.builtInEncoding);\n      }\n\n      // Type 1 fonts have a notdef inserted at the beginning, so glyph 0\n      // becomes glyph 1. In a CFF font glyph 0 is appended to the end of the\n      // char strings.\n      let glyphZeroId = 1;\n      if (font instanceof CFFFont) {\n        glyphZeroId = font.numGlyphs - 1;\n      }\n      var mapping = font.getGlyphMapping(properties);\n      var newMapping = adjustMapping(\n        mapping,\n        font.hasGlyphId.bind(font),\n        glyphZeroId\n      );\n      this.toFontChar = newMapping.toFontChar;\n      var numGlyphs = font.numGlyphs;\n\n      function getCharCodes(charCodeToGlyphId, glyphId) {\n        var charCodes = null;\n        for (var charCode in charCodeToGlyphId) {\n          if (glyphId === charCodeToGlyphId[charCode]) {\n            if (!charCodes) {\n              charCodes = [];\n            }\n            charCodes.push(charCode | 0);\n          }\n        }\n        return charCodes;\n      }\n\n      function createCharCode(charCodeToGlyphId, glyphId) {\n        for (var charCode in charCodeToGlyphId) {\n          if (glyphId === charCodeToGlyphId[charCode]) {\n            return charCode | 0;\n          }\n        }\n        newMapping.charCodeToGlyphId[\n          newMapping.nextAvailableFontCharCode\n        ] = glyphId;\n        return newMapping.nextAvailableFontCharCode++;\n      }\n\n      var seacs = font.seacs;\n      if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {\n        var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX;\n        var charset = font.getCharset();\n        var seacMap = Object.create(null);\n        for (var glyphId in seacs) {\n          glyphId |= 0;\n          var seac = seacs[glyphId];\n          var baseGlyphName = StandardEncoding[seac[2]];\n          var accentGlyphName = StandardEncoding[seac[3]];\n          var baseGlyphId = charset.indexOf(baseGlyphName);\n          var accentGlyphId = charset.indexOf(accentGlyphName);\n          if (baseGlyphId < 0 || accentGlyphId < 0) {\n            continue;\n          }\n          var accentOffset = {\n            x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],\n            y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5],\n          };\n\n          var charCodes = getCharCodes(mapping, glyphId);\n          if (!charCodes) {\n            // There's no point in mapping it if the char code was never mapped\n            // to begin with.\n            continue;\n          }\n          for (let i = 0, ii = charCodes.length; i < ii; i++) {\n            var charCode = charCodes[i];\n            // Find a fontCharCode that maps to the base and accent glyphs.\n            // If one doesn't exists, create it.\n            var charCodeToGlyphId = newMapping.charCodeToGlyphId;\n            var baseFontCharCode = createCharCode(\n              charCodeToGlyphId,\n              baseGlyphId\n            );\n            var accentFontCharCode = createCharCode(\n              charCodeToGlyphId,\n              accentGlyphId\n            );\n            seacMap[charCode] = {\n              baseFontCharCode,\n              accentFontCharCode,\n              accentOffset,\n            };\n          }\n        }\n        properties.seacMap = seacMap;\n      }\n\n      var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0];\n\n      var builder = new OpenTypeFileBuilder(\"\\x4F\\x54\\x54\\x4F\");\n      // PostScript Font Program\n      builder.addTable(\"CFF \", font.data);\n      // OS/2 and Windows Specific metrics\n      builder.addTable(\n        \"OS/2\",\n        createOS2Table(properties, newMapping.charCodeToGlyphId)\n      );\n      // Character to glyphs mapping\n      builder.addTable(\n        \"cmap\",\n        createCmapTable(newMapping.charCodeToGlyphId, numGlyphs)\n      );\n      // Font header\n      builder.addTable(\n        \"head\",\n        \"\\x00\\x01\\x00\\x00\" + // Version number\n        \"\\x00\\x00\\x10\\x00\" + // fontRevision\n        \"\\x00\\x00\\x00\\x00\" + // checksumAdjustement\n        \"\\x5F\\x0F\\x3C\\xF5\" + // magicNumber\n        \"\\x00\\x00\" + // Flags\n        safeString16(unitsPerEm) + // unitsPerEM\n        \"\\x00\\x00\\x00\\x00\\x9e\\x0b\\x7e\\x27\" + // creation date\n        \"\\x00\\x00\\x00\\x00\\x9e\\x0b\\x7e\\x27\" + // modifification date\n        \"\\x00\\x00\" + // xMin\n        safeString16(properties.descent) + // yMin\n        \"\\x0F\\xFF\" + // xMax\n        safeString16(properties.ascent) + // yMax\n        string16(properties.italicAngle ? 2 : 0) + // macStyle\n        \"\\x00\\x11\" + // lowestRecPPEM\n        \"\\x00\\x00\" + // fontDirectionHint\n        \"\\x00\\x00\" + // indexToLocFormat\n          \"\\x00\\x00\"\n      ); // glyphDataFormat\n\n      // Horizontal header\n      builder.addTable(\n        \"hhea\",\n        \"\\x00\\x01\\x00\\x00\" + // Version number\n        safeString16(properties.ascent) + // Typographic Ascent\n        safeString16(properties.descent) + // Typographic Descent\n        \"\\x00\\x00\" + // Line Gap\n        \"\\xFF\\xFF\" + // advanceWidthMax\n        \"\\x00\\x00\" + // minLeftSidebearing\n        \"\\x00\\x00\" + // minRightSidebearing\n        \"\\x00\\x00\" + // xMaxExtent\n        safeString16(properties.capHeight) + // caretSlopeRise\n        safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + // caretSlopeRun\n        \"\\x00\\x00\" + // caretOffset\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // metricDataFormat\n          string16(numGlyphs)\n      ); // Number of HMetrics\n\n      // Horizontal metrics\n      builder.addTable(\n        \"hmtx\",\n        (function fontFieldsHmtx() {\n          var charstrings = font.charstrings;\n          var cffWidths = font.cff ? font.cff.widths : null;\n          var hmtx = \"\\x00\\x00\\x00\\x00\"; // Fake .notdef\n          for (let i = 1, ii = numGlyphs; i < ii; i++) {\n            var width = 0;\n            if (charstrings) {\n              var charstring = charstrings[i - 1];\n              width = \"width\" in charstring ? charstring.width : 0;\n            } else if (cffWidths) {\n              width = Math.ceil(cffWidths[i] || 0);\n            }\n            hmtx += string16(width) + string16(0);\n          }\n          return hmtx;\n        })()\n      );\n\n      // Maximum profile\n      builder.addTable(\n        \"maxp\",\n        \"\\x00\\x00\\x50\\x00\" + string16(numGlyphs) // Version number\n      ); // Num of glyphs\n\n      // Naming tables\n      builder.addTable(\"name\", createNameTable(fontName));\n\n      // PostScript information\n      builder.addTable(\"post\", createPostTable(properties));\n\n      return builder.toArray();\n    },\n\n    get spaceWidth() {\n      // trying to estimate space character width\n      var possibleSpaceReplacements = [\"space\", \"minus\", \"one\", \"i\", \"I\"];\n      var width;\n      for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {\n        var glyphName = possibleSpaceReplacements[i];\n        // if possible, getting width by glyph name\n        if (glyphName in this.widths) {\n          width = this.widths[glyphName];\n          break;\n        }\n        var glyphsUnicodeMap = getGlyphsUnicode();\n        var glyphUnicode = glyphsUnicodeMap[glyphName];\n        // finding the charcode via unicodeToCID map\n        var charcode = 0;\n        if (this.composite && this.cMap.contains(glyphUnicode)) {\n          charcode = this.cMap.lookup(glyphUnicode);\n        }\n        // ... via toUnicode map\n        if (!charcode && this.toUnicode) {\n          charcode = this.toUnicode.charCodeOf(glyphUnicode);\n        }\n        // setting it to unicode if negative or undefined\n        if (charcode <= 0) {\n          charcode = glyphUnicode;\n        }\n        // trying to get width via charcode\n        width = this.widths[charcode];\n        if (width) {\n          break; // the non-zero width found\n        }\n      }\n      width = width || this.defaultWidth;\n      return shadow(this, \"spaceWidth\", width);\n    },\n\n    charToGlyph: function Font_charToGlyph(charcode, isSpace) {\n      var fontCharCode, width, operatorListId;\n\n      var widthCode = charcode;\n      if (this.cMap && this.cMap.contains(charcode)) {\n        widthCode = this.cMap.lookup(charcode);\n      }\n      width = this.widths[widthCode];\n      width = isNum(width) ? width : this.defaultWidth;\n      var vmetric = this.vmetrics && this.vmetrics[widthCode];\n\n      let unicode =\n        this.toUnicode.get(charcode) ||\n        this.fallbackToUnicode.get(charcode) ||\n        charcode;\n      if (typeof unicode === \"number\") {\n        unicode = String.fromCharCode(unicode);\n      }\n\n      var isInFont = charcode in this.toFontChar;\n      // First try the toFontChar map, if it's not there then try falling\n      // back to the char code.\n      fontCharCode = this.toFontChar[charcode] || charcode;\n      if (this.missingFile) {\n        const glyphName =\n          this.differences[charcode] || this.defaultEncoding[charcode];\n        if (\n          (glyphName === \".notdef\" || glyphName === \"\") &&\n          this.type === \"Type1\"\n        ) {\n          // .notdef glyphs should be invisible in non-embedded Type1 fonts, so\n          // replace them with spaces.\n          fontCharCode = 0x20;\n        }\n        fontCharCode = mapSpecialUnicodeValues(fontCharCode);\n      }\n\n      if (this.isType3Font) {\n        // Font char code in this case is actually a glyph name.\n        operatorListId = fontCharCode;\n      }\n\n      var accent = null;\n      if (this.seacMap && this.seacMap[charcode]) {\n        isInFont = true;\n        var seac = this.seacMap[charcode];\n        fontCharCode = seac.baseFontCharCode;\n        accent = {\n          fontChar: String.fromCodePoint(seac.accentFontCharCode),\n          offset: seac.accentOffset,\n        };\n      }\n\n      let fontChar = \"\";\n      if (typeof fontCharCode === \"number\") {\n        if (fontCharCode <= 0x10ffff) {\n          fontChar = String.fromCodePoint(fontCharCode);\n        } else {\n          warn(`charToGlyph - invalid fontCharCode: ${fontCharCode}`);\n        }\n      }\n\n      var glyph = this.glyphCache[charcode];\n      if (\n        !glyph ||\n        !glyph.matchesForCache(\n          fontChar,\n          unicode,\n          accent,\n          width,\n          vmetric,\n          operatorListId,\n          isSpace,\n          isInFont\n        )\n      ) {\n        glyph = new Glyph(\n          fontChar,\n          unicode,\n          accent,\n          width,\n          vmetric,\n          operatorListId,\n          isSpace,\n          isInFont\n        );\n        this.glyphCache[charcode] = glyph;\n      }\n      return glyph;\n    },\n\n    charsToGlyphs: function Font_charsToGlyphs(chars) {\n      var charsCache = this.charsCache;\n      var glyphs, glyph, charcode;\n\n      // if we translated this string before, just grab it from the cache\n      if (charsCache) {\n        glyphs = charsCache[chars];\n        if (glyphs) {\n          return glyphs;\n        }\n      }\n\n      // lazily create the translation cache\n      if (!charsCache) {\n        charsCache = this.charsCache = Object.create(null);\n      }\n\n      glyphs = [];\n      var charsCacheKey = chars;\n      var i = 0,\n        ii;\n\n      if (this.cMap) {\n        // composite fonts have multi-byte strings convert the string from\n        // single-byte to multi-byte\n        var c = Object.create(null);\n        while (i < chars.length) {\n          this.cMap.readCharCode(chars, i, c);\n          charcode = c.charcode;\n          var length = c.length;\n          i += length;\n          // Space is char with code 0x20 and length 1 in multiple-byte codes.\n          var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;\n          glyph = this.charToGlyph(charcode, isSpace);\n          glyphs.push(glyph);\n        }\n      } else {\n        for (i = 0, ii = chars.length; i < ii; ++i) {\n          charcode = chars.charCodeAt(i);\n          glyph = this.charToGlyph(charcode, charcode === 0x20);\n          glyphs.push(glyph);\n        }\n      }\n\n      // Enter the translated string into the cache\n      return (charsCache[charsCacheKey] = glyphs);\n    },\n\n    get glyphCacheValues() {\n      return Object.values(this.glyphCache);\n    },\n  };\n\n  return Font;\n})();\n\nvar ErrorFont = (function ErrorFontClosure() {\n  // eslint-disable-next-line no-shadow\n  function ErrorFont(error) {\n    this.error = error;\n    this.loadedName = \"g_font_error\";\n    this.missingFile = true;\n  }\n\n  ErrorFont.prototype = {\n    charsToGlyphs: function ErrorFont_charsToGlyphs() {\n      return [];\n    },\n    exportData(extraProperties = false) {\n      return { error: this.error };\n    },\n  };\n\n  return ErrorFont;\n})();\n\n/**\n * Shared logic for building a char code to glyph id mapping for Type1 and\n * simple CFF fonts. See section 9.6.6.2 of the spec.\n * @param {Object} properties Font properties object.\n * @param {Object} builtInEncoding The encoding contained within the actual font\n * data.\n * @param {Array} glyphNames Array of glyph names where the index is the\n * glyph ID.\n * @returns {Object} A char code to glyph ID map.\n */\nfunction type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {\n  var charCodeToGlyphId = Object.create(null);\n  var glyphId, charCode, baseEncoding;\n  var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n\n  if (properties.baseEncodingName) {\n    // If a valid base encoding name was used, the mapping is initialized with\n    // that.\n    baseEncoding = getEncoding(properties.baseEncodingName);\n    for (charCode = 0; charCode < baseEncoding.length; charCode++) {\n      glyphId = glyphNames.indexOf(baseEncoding[charCode]);\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  } else if (isSymbolicFont) {\n    // For a symbolic font the encoding should be the fonts built-in encoding.\n    for (charCode in builtInEncoding) {\n      charCodeToGlyphId[charCode] = builtInEncoding[charCode];\n    }\n  } else {\n    // For non-symbolic fonts that don't have a base encoding the standard\n    // encoding should be used.\n    baseEncoding = StandardEncoding;\n    for (charCode = 0; charCode < baseEncoding.length; charCode++) {\n      glyphId = glyphNames.indexOf(baseEncoding[charCode]);\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  }\n\n  // Lastly, merge in the differences.\n  var differences = properties.differences,\n    glyphsUnicodeMap;\n  if (differences) {\n    for (charCode in differences) {\n      var glyphName = differences[charCode];\n      glyphId = glyphNames.indexOf(glyphName);\n\n      if (glyphId === -1) {\n        if (!glyphsUnicodeMap) {\n          glyphsUnicodeMap = getGlyphsUnicode();\n        }\n        var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);\n        if (standardGlyphName !== glyphName) {\n          glyphId = glyphNames.indexOf(standardGlyphName);\n        }\n      }\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  }\n  return charCodeToGlyphId;\n}\n\n// Type1Font is also a CIDFontType0.\nvar Type1Font = (function Type1FontClosure() {\n  function findBlock(streamBytes, signature, startIndex) {\n    var streamBytesLength = streamBytes.length;\n    var signatureLength = signature.length;\n    var scanLength = streamBytesLength - signatureLength;\n\n    var i = startIndex,\n      j,\n      found = false;\n    while (i < scanLength) {\n      j = 0;\n      while (j < signatureLength && streamBytes[i + j] === signature[j]) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found, skip over whitespace.\n        i += j;\n        while (i < streamBytesLength && isWhiteSpace(streamBytes[i])) {\n          i++;\n        }\n        found = true;\n        break;\n      }\n      i++;\n    }\n    return {\n      found,\n      length: i,\n    };\n  }\n\n  function getHeaderBlock(stream, suggestedLength) {\n    var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];\n\n    var streamStartPos = stream.pos; // Save the initial stream position.\n    var headerBytes, headerBytesLength, block;\n    try {\n      headerBytes = stream.getBytes(suggestedLength);\n      headerBytesLength = headerBytes.length;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      // Ignore errors if the `suggestedLength` is huge enough that a Uint8Array\n      // cannot hold the result of `getBytes`, and fallback to simply checking\n      // the entire stream (fixes issue3928.pdf).\n    }\n\n    if (headerBytesLength === suggestedLength) {\n      // Most of the time `suggestedLength` is correct, so to speed things up we\n      // initially only check the last few bytes to see if the header was found.\n      // Otherwise we (potentially) check the entire stream to prevent errors in\n      // `Type1Parser` (fixes issue5686.pdf).\n      block = findBlock(\n        headerBytes,\n        EEXEC_SIGNATURE,\n        suggestedLength - 2 * EEXEC_SIGNATURE.length\n      );\n\n      if (block.found && block.length === suggestedLength) {\n        return {\n          stream: new Stream(headerBytes),\n          length: suggestedLength,\n        };\n      }\n    }\n    warn('Invalid \"Length1\" property in Type1 font -- trying to recover.');\n    stream.pos = streamStartPos; // Reset the stream position.\n\n    var SCAN_BLOCK_LENGTH = 2048;\n    var actualLength;\n    while (true) {\n      var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);\n      block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);\n\n      if (block.length === 0) {\n        break;\n      }\n      stream.pos += block.length; // Update the stream position.\n\n      if (block.found) {\n        actualLength = stream.pos - streamStartPos;\n        break;\n      }\n    }\n    stream.pos = streamStartPos; // Reset the stream position.\n\n    if (actualLength) {\n      return {\n        stream: new Stream(stream.getBytes(actualLength)),\n        length: actualLength,\n      };\n    }\n    warn('Unable to recover \"Length1\" property in Type1 font -- using as is.');\n    return {\n      stream: new Stream(stream.getBytes(suggestedLength)),\n      length: suggestedLength,\n    };\n  }\n\n  function getEexecBlock(stream, suggestedLength) {\n    // We should ideally parse the eexec block to ensure that `suggestedLength`\n    // is correct, so we don't truncate the block data if it's too small.\n    // However, this would also require checking if the fixed-content portion\n    // exists (using the 'Length3' property), and ensuring that it's valid.\n    //\n    // Given that `suggestedLength` almost always is correct, all the validation\n    // would require a great deal of unnecessary parsing for most fonts.\n    // To save time, we always fetch the entire stream instead, which also avoid\n    // issues if `suggestedLength` is huge (see comment in `getHeaderBlock`).\n    //\n    // NOTE: This means that the function can include the fixed-content portion\n    // in the returned eexec block. In practice this does *not* seem to matter,\n    // since `Type1Parser_extractFontProgram` will skip over any non-commands.\n    var eexecBytes = stream.getBytes();\n    return {\n      stream: new Stream(eexecBytes),\n      length: eexecBytes.length,\n    };\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Type1Font(name, file, properties) {\n    // Some bad generators embed pfb file as is, we have to strip 6-byte header.\n    // Also, length1 and length2 might be off by 6 bytes as well.\n    // http://www.math.ubc.ca/~cass/piscript/type1.pdf\n    var PFB_HEADER_SIZE = 6;\n    var headerBlockLength = properties.length1;\n    var eexecBlockLength = properties.length2;\n    var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);\n    var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;\n    if (pfbHeaderPresent) {\n      file.skip(PFB_HEADER_SIZE);\n      headerBlockLength =\n        (pfbHeader[5] << 24) |\n        (pfbHeader[4] << 16) |\n        (pfbHeader[3] << 8) |\n        pfbHeader[2];\n    }\n\n    // Get the data block containing glyphs and subrs information\n    var headerBlock = getHeaderBlock(file, headerBlockLength);\n    var headerBlockParser = new Type1Parser(\n      headerBlock.stream,\n      false,\n      SEAC_ANALYSIS_ENABLED\n    );\n    headerBlockParser.extractFontHeader(properties);\n\n    if (pfbHeaderPresent) {\n      pfbHeader = file.getBytes(PFB_HEADER_SIZE);\n      eexecBlockLength =\n        (pfbHeader[5] << 24) |\n        (pfbHeader[4] << 16) |\n        (pfbHeader[3] << 8) |\n        pfbHeader[2];\n    }\n\n    // Decrypt the data blocks and retrieve it's content\n    var eexecBlock = getEexecBlock(file, eexecBlockLength);\n    var eexecBlockParser = new Type1Parser(\n      eexecBlock.stream,\n      true,\n      SEAC_ANALYSIS_ENABLED\n    );\n    var data = eexecBlockParser.extractFontProgram(properties);\n    for (const key in data.properties) {\n      properties[key] = data.properties[key];\n    }\n\n    var charstrings = data.charstrings;\n    var type2Charstrings = this.getType2Charstrings(charstrings);\n    var subrs = this.getType2Subrs(data.subrs);\n\n    this.charstrings = charstrings;\n    this.data = this.wrap(\n      name,\n      type2Charstrings,\n      this.charstrings,\n      subrs,\n      properties\n    );\n    this.seacs = this.getSeacs(data.charstrings);\n  }\n\n  Type1Font.prototype = {\n    get numGlyphs() {\n      return this.charstrings.length + 1;\n    },\n\n    getCharset: function Type1Font_getCharset() {\n      var charset = [\".notdef\"];\n      var charstrings = this.charstrings;\n      for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {\n        charset.push(charstrings[glyphId].glyphName);\n      }\n      return charset;\n    },\n\n    getGlyphMapping: function Type1Font_getGlyphMapping(properties) {\n      var charstrings = this.charstrings;\n\n      if (properties.composite) {\n        const charCodeToGlyphId = Object.create(null);\n        // Map CIDs directly to GIDs.\n        for (\n          let glyphId = 0, charstringsLen = charstrings.length;\n          glyphId < charstringsLen;\n          glyphId++\n        ) {\n          const charCode = properties.cMap.charCodeOf(glyphId);\n          // Add 1 because glyph 0 is duplicated.\n          charCodeToGlyphId[charCode] = glyphId + 1;\n        }\n        return charCodeToGlyphId;\n      }\n\n      var glyphNames = [\".notdef\"],\n        glyphId;\n      for (glyphId = 0; glyphId < charstrings.length; glyphId++) {\n        glyphNames.push(charstrings[glyphId].glyphName);\n      }\n      var encoding = properties.builtInEncoding;\n      if (encoding) {\n        var builtInEncoding = Object.create(null);\n        for (var charCode in encoding) {\n          glyphId = glyphNames.indexOf(encoding[charCode]);\n          if (glyphId >= 0) {\n            builtInEncoding[charCode] = glyphId;\n          }\n        }\n      }\n\n      return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);\n    },\n\n    hasGlyphId: function Type1Font_hasGlyphID(id) {\n      if (id < 0 || id >= this.numGlyphs) {\n        return false;\n      }\n      if (id === 0) {\n        // notdef is always defined.\n        return true;\n      }\n      var glyph = this.charstrings[id - 1];\n      return glyph.charstring.length > 0;\n    },\n\n    getSeacs: function Type1Font_getSeacs(charstrings) {\n      var i, ii;\n      var seacMap = [];\n      for (i = 0, ii = charstrings.length; i < ii; i++) {\n        var charstring = charstrings[i];\n        if (charstring.seac) {\n          // Offset by 1 for .notdef\n          seacMap[i + 1] = charstring.seac;\n        }\n      }\n      return seacMap;\n    },\n\n    getType2Charstrings: function Type1Font_getType2Charstrings(\n      type1Charstrings\n    ) {\n      var type2Charstrings = [];\n      for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {\n        type2Charstrings.push(type1Charstrings[i].charstring);\n      }\n      return type2Charstrings;\n    },\n\n    getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {\n      var bias = 0;\n      var count = type1Subrs.length;\n      if (count < 1133) {\n        bias = 107;\n      } else if (count < 33769) {\n        bias = 1131;\n      } else {\n        bias = 32768;\n      }\n\n      // Add a bunch of empty subrs to deal with the Type2 bias\n      var type2Subrs = [];\n      var i;\n      for (i = 0; i < bias; i++) {\n        type2Subrs.push([0x0b]);\n      }\n\n      for (i = 0; i < count; i++) {\n        type2Subrs.push(type1Subrs[i]);\n      }\n\n      return type2Subrs;\n    },\n\n    wrap: function Type1Font_wrap(\n      name,\n      glyphs,\n      charstrings,\n      subrs,\n      properties\n    ) {\n      var cff = new CFF();\n      cff.header = new CFFHeader(1, 0, 4, 4);\n\n      cff.names = [name];\n\n      var topDict = new CFFTopDict();\n      // CFF strings IDs 0...390 are predefined names, so refering\n      // to entries in our own String INDEX starts at SID 391.\n      topDict.setByName(\"version\", 391);\n      topDict.setByName(\"Notice\", 392);\n      topDict.setByName(\"FullName\", 393);\n      topDict.setByName(\"FamilyName\", 394);\n      topDict.setByName(\"Weight\", 395);\n      topDict.setByName(\"Encoding\", null); // placeholder\n      topDict.setByName(\"FontMatrix\", properties.fontMatrix);\n      topDict.setByName(\"FontBBox\", properties.bbox);\n      topDict.setByName(\"charset\", null); // placeholder\n      topDict.setByName(\"CharStrings\", null); // placeholder\n      topDict.setByName(\"Private\", null); // placeholder\n      cff.topDict = topDict;\n\n      var strings = new CFFStrings();\n      strings.add(\"Version 0.11\"); // Version\n      strings.add(\"See original notice\"); // Notice\n      strings.add(name); // FullName\n      strings.add(name); // FamilyName\n      strings.add(\"Medium\"); // Weight\n      cff.strings = strings;\n\n      cff.globalSubrIndex = new CFFIndex();\n\n      var count = glyphs.length;\n      var charsetArray = [\".notdef\"];\n      var i, ii;\n      for (i = 0; i < count; i++) {\n        const glyphName = charstrings[i].glyphName;\n        const index = CFFStandardStrings.indexOf(glyphName);\n        if (index === -1) {\n          strings.add(glyphName);\n        }\n        charsetArray.push(glyphName);\n      }\n      cff.charset = new CFFCharset(false, 0, charsetArray);\n\n      var charStringsIndex = new CFFIndex();\n      charStringsIndex.add([0x8b, 0x0e]); // .notdef\n      for (i = 0; i < count; i++) {\n        charStringsIndex.add(glyphs[i]);\n      }\n      cff.charStrings = charStringsIndex;\n\n      var privateDict = new CFFPrivateDict();\n      privateDict.setByName(\"Subrs\", null); // placeholder\n      var fields = [\n        \"BlueValues\",\n        \"OtherBlues\",\n        \"FamilyBlues\",\n        \"FamilyOtherBlues\",\n        \"StemSnapH\",\n        \"StemSnapV\",\n        \"BlueShift\",\n        \"BlueFuzz\",\n        \"BlueScale\",\n        \"LanguageGroup\",\n        \"ExpansionFactor\",\n        \"ForceBold\",\n        \"StdHW\",\n        \"StdVW\",\n      ];\n      for (i = 0, ii = fields.length; i < ii; i++) {\n        var field = fields[i];\n        if (!(field in properties.privateData)) {\n          continue;\n        }\n        var value = properties.privateData[field];\n        if (Array.isArray(value)) {\n          // All of the private dictionary array data in CFF must be stored as\n          // \"delta-encoded\" numbers.\n          for (var j = value.length - 1; j > 0; j--) {\n            value[j] -= value[j - 1]; // ... difference from previous value\n          }\n        }\n        privateDict.setByName(field, value);\n      }\n      cff.topDict.privateDict = privateDict;\n\n      var subrIndex = new CFFIndex();\n      for (i = 0, ii = subrs.length; i < ii; i++) {\n        subrIndex.add(subrs[i]);\n      }\n      privateDict.subrsIndex = subrIndex;\n\n      var compiler = new CFFCompiler(cff);\n      return compiler.compile();\n    },\n  };\n\n  return Type1Font;\n})();\n\nvar CFFFont = (function CFFFontClosure() {\n  // eslint-disable-next-line no-shadow\n  function CFFFont(file, properties) {\n    this.properties = properties;\n\n    var parser = new CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);\n    this.cff = parser.parse();\n    this.cff.duplicateFirstGlyph();\n    var compiler = new CFFCompiler(this.cff);\n    this.seacs = this.cff.seacs;\n    try {\n      this.data = compiler.compile();\n    } catch (e) {\n      warn(\"Failed to compile font \" + properties.loadedName);\n      // There may have just been an issue with the compiler, set the data\n      // anyway and hope the font loaded.\n      this.data = file;\n    }\n  }\n\n  CFFFont.prototype = {\n    get numGlyphs() {\n      return this.cff.charStrings.count;\n    },\n    getCharset: function CFFFont_getCharset() {\n      return this.cff.charset.charset;\n    },\n    getGlyphMapping: function CFFFont_getGlyphMapping() {\n      var cff = this.cff;\n      var properties = this.properties;\n      var charsets = cff.charset.charset;\n      var charCodeToGlyphId;\n      var glyphId;\n\n      if (properties.composite) {\n        charCodeToGlyphId = Object.create(null);\n        let charCode;\n        if (cff.isCIDFont) {\n          // If the font is actually a CID font then we should use the charset\n          // to map CIDs to GIDs.\n          for (glyphId = 0; glyphId < charsets.length; glyphId++) {\n            var cid = charsets[glyphId];\n            charCode = properties.cMap.charCodeOf(cid);\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        } else {\n          // If it is NOT actually a CID font then CIDs should be mapped\n          // directly to GIDs.\n          for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {\n            charCode = properties.cMap.charCodeOf(glyphId);\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        }\n        return charCodeToGlyphId;\n      }\n\n      var encoding = cff.encoding ? cff.encoding.encoding : null;\n      charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);\n      return charCodeToGlyphId;\n    },\n    hasGlyphId: function CFFFont_hasGlyphID(id) {\n      return this.cff.hasGlyphId(id);\n    },\n  };\n\n  return CFFFont;\n})();\n\nexport {\n  SEAC_ANALYSIS_ENABLED,\n  ErrorFont,\n  Font,\n  FontFlags,\n  ToUnicodeMap,\n  IdentityToUnicodeMap,\n  getFontType,\n};\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FormatError,\n  info,\n  shadow,\n  stringToBytes,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  ExpertCharset,\n  ExpertSubsetCharset,\n  ISOAdobeCharset,\n} from \"./charsets.js\";\nimport { ExpertEncoding, StandardEncoding } from \"./encodings.js\";\n\n// Maximum subroutine call depth of type 2 chartrings. Matches OTS.\nvar MAX_SUBR_NESTING = 10;\n\n/**\n * The CFF class takes a Type1 file and wrap it into a\n * 'Compact Font Format' which itself embed Type2 charstrings.\n */\n// prettier-ignore\nvar CFFStandardStrings = [\n  \".notdef\", \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\", \"four\",\n  \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\", \"less\",\n  \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\",\n  \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\",\n  \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\", \"asciicircum\",\n  \"underscore\", \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\",\n  \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\",\n  \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"exclamdown\", \"cent\",\n  \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"paragraph\", \"bullet\", \"quotesinglbase\", \"quotedblbase\",\n  \"quotedblright\", \"guillemotright\", \"ellipsis\", \"perthousand\", \"questiondown\",\n  \"grave\", \"acute\", \"circumflex\", \"tilde\", \"macron\", \"breve\", \"dotaccent\",\n  \"dieresis\", \"ring\", \"cedilla\", \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\",\n  \"AE\", \"ordfeminine\", \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"ae\",\n  \"dotlessi\", \"lslash\", \"oslash\", \"oe\", \"germandbls\", \"onesuperior\",\n  \"logicalnot\", \"mu\", \"trademark\", \"Eth\", \"onehalf\", \"plusminus\", \"Thorn\",\n  \"onequarter\", \"divide\", \"brokenbar\", \"degree\", \"thorn\", \"threequarters\",\n  \"twosuperior\", \"registered\", \"minus\", \"eth\", \"multiply\", \"threesuperior\",\n  \"copyright\", \"Aacute\", \"Acircumflex\", \"Adieresis\", \"Agrave\", \"Aring\",\n  \"Atilde\", \"Ccedilla\", \"Eacute\", \"Ecircumflex\", \"Edieresis\", \"Egrave\",\n  \"Iacute\", \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Ntilde\", \"Oacute\",\n  \"Ocircumflex\", \"Odieresis\", \"Ograve\", \"Otilde\", \"Scaron\", \"Uacute\",\n  \"Ucircumflex\", \"Udieresis\", \"Ugrave\", \"Yacute\", \"Ydieresis\", \"Zcaron\",\n  \"aacute\", \"acircumflex\", \"adieresis\", \"agrave\", \"aring\", \"atilde\",\n  \"ccedilla\", \"eacute\", \"ecircumflex\", \"edieresis\", \"egrave\", \"iacute\",\n  \"icircumflex\", \"idieresis\", \"igrave\", \"ntilde\", \"oacute\", \"ocircumflex\",\n  \"odieresis\", \"ograve\", \"otilde\", \"scaron\", \"uacute\", \"ucircumflex\",\n  \"udieresis\", \"ugrave\", \"yacute\", \"ydieresis\", \"zcaron\", \"exclamsmall\",\n  \"Hungarumlautsmall\", \"dollaroldstyle\", \"dollarsuperior\", \"ampersandsmall\",\n  \"Acutesmall\", \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"zerooldstyle\", \"oneoldstyle\", \"twooldstyle\",\n  \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\", \"sixoldstyle\",\n  \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\", \"commasuperior\",\n  \"threequartersemdash\", \"periodsuperior\", \"questionsmall\", \"asuperior\",\n  \"bsuperior\", \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\",\n  \"lsuperior\", \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"ffi\", \"ffl\", \"parenleftinferior\", \"parenrightinferior\",\n  \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\", \"Asmall\", \"Bsmall\",\n  \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\", \"Hsmall\", \"Ismall\",\n  \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\", \"Osmall\", \"Psmall\",\n  \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\", \"Vsmall\", \"Wsmall\",\n  \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\", \"onefitted\", \"rupiah\",\n  \"Tildesmall\", \"exclamdownsmall\", \"centoldstyle\", \"Lslashsmall\",\n  \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\", \"Brevesmall\", \"Caronsmall\",\n  \"Dotaccentsmall\", \"Macronsmall\", \"figuredash\", \"hypheninferior\",\n  \"Ogoneksmall\", \"Ringsmall\", \"Cedillasmall\", \"questiondownsmall\", \"oneeighth\",\n  \"threeeighths\", \"fiveeighths\", \"seveneighths\", \"onethird\", \"twothirds\",\n  \"zerosuperior\", \"foursuperior\", \"fivesuperior\", \"sixsuperior\",\n  \"sevensuperior\", \"eightsuperior\", \"ninesuperior\", \"zeroinferior\",\n  \"oneinferior\", \"twoinferior\", \"threeinferior\", \"fourinferior\",\n  \"fiveinferior\", \"sixinferior\", \"seveninferior\", \"eightinferior\",\n  \"nineinferior\", \"centinferior\", \"dollarinferior\", \"periodinferior\",\n  \"commainferior\", \"Agravesmall\", \"Aacutesmall\", \"Acircumflexsmall\",\n  \"Atildesmall\", \"Adieresissmall\", \"Aringsmall\", \"AEsmall\", \"Ccedillasmall\",\n  \"Egravesmall\", \"Eacutesmall\", \"Ecircumflexsmall\", \"Edieresissmall\",\n  \"Igravesmall\", \"Iacutesmall\", \"Icircumflexsmall\", \"Idieresissmall\",\n  \"Ethsmall\", \"Ntildesmall\", \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\",\n  \"Otildesmall\", \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\",\n  \"Uacutesmall\", \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\",\n  \"Thornsmall\", \"Ydieresissmall\", \"001.000\", \"001.001\", \"001.002\", \"001.003\",\n  \"Black\", \"Bold\", \"Book\", \"Light\", \"Medium\", \"Regular\", \"Roman\", \"Semibold\"\n];\n\nconst NUM_STANDARD_CFF_STRINGS = 391;\n\nvar CFFParser = (function CFFParserClosure() {\n  var CharstringValidationData = [\n    null,\n    { id: \"hstem\", min: 2, stackClearing: true, stem: true },\n    null,\n    { id: \"vstem\", min: 2, stackClearing: true, stem: true },\n    { id: \"vmoveto\", min: 1, stackClearing: true },\n    { id: \"rlineto\", min: 2, resetStack: true },\n    { id: \"hlineto\", min: 1, resetStack: true },\n    { id: \"vlineto\", min: 1, resetStack: true },\n    { id: \"rrcurveto\", min: 6, resetStack: true },\n    null,\n    { id: \"callsubr\", min: 1, undefStack: true },\n    { id: \"return\", min: 0, undefStack: true },\n    null, // 12\n    null,\n    { id: \"endchar\", min: 0, stackClearing: true },\n    null,\n    null,\n    null,\n    { id: \"hstemhm\", min: 2, stackClearing: true, stem: true },\n    { id: \"hintmask\", min: 0, stackClearing: true },\n    { id: \"cntrmask\", min: 0, stackClearing: true },\n    { id: \"rmoveto\", min: 2, stackClearing: true },\n    { id: \"hmoveto\", min: 1, stackClearing: true },\n    { id: \"vstemhm\", min: 2, stackClearing: true, stem: true },\n    { id: \"rcurveline\", min: 8, resetStack: true },\n    { id: \"rlinecurve\", min: 8, resetStack: true },\n    { id: \"vvcurveto\", min: 4, resetStack: true },\n    { id: \"hhcurveto\", min: 4, resetStack: true },\n    null, // shortint\n    { id: \"callgsubr\", min: 1, undefStack: true },\n    { id: \"vhcurveto\", min: 4, resetStack: true },\n    { id: \"hvcurveto\", min: 4, resetStack: true },\n  ];\n  var CharstringValidationData12 = [\n    null,\n    null,\n    null,\n    { id: \"and\", min: 2, stackDelta: -1 },\n    { id: \"or\", min: 2, stackDelta: -1 },\n    { id: \"not\", min: 1, stackDelta: 0 },\n    null,\n    null,\n    null,\n    { id: \"abs\", min: 1, stackDelta: 0 },\n    {\n      id: \"add\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] + stack[index - 1];\n      },\n    },\n    {\n      id: \"sub\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] - stack[index - 1];\n      },\n    },\n    {\n      id: \"div\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] / stack[index - 1];\n      },\n    },\n    null,\n    {\n      id: \"neg\",\n      min: 1,\n      stackDelta: 0,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 1] = -stack[index - 1];\n      },\n    },\n    { id: \"eq\", min: 2, stackDelta: -1 },\n    null,\n    null,\n    { id: \"drop\", min: 1, stackDelta: -1 },\n    null,\n    { id: \"put\", min: 2, stackDelta: -2 },\n    { id: \"get\", min: 1, stackDelta: 0 },\n    { id: \"ifelse\", min: 4, stackDelta: -3 },\n    { id: \"random\", min: 0, stackDelta: 1 },\n    {\n      id: \"mul\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] * stack[index - 1];\n      },\n    },\n    null,\n    { id: \"sqrt\", min: 1, stackDelta: 0 },\n    { id: \"dup\", min: 1, stackDelta: 1 },\n    { id: \"exch\", min: 2, stackDelta: 0 },\n    { id: \"index\", min: 2, stackDelta: 0 },\n    { id: \"roll\", min: 3, stackDelta: -2 },\n    null,\n    null,\n    null,\n    { id: \"hflex\", min: 7, resetStack: true },\n    { id: \"flex\", min: 13, resetStack: true },\n    { id: \"hflex1\", min: 9, resetStack: true },\n    { id: \"flex1\", min: 11, resetStack: true },\n  ];\n\n  // eslint-disable-next-line no-shadow\n  class CFFParser {\n    constructor(file, properties, seacAnalysisEnabled) {\n      this.bytes = file.getBytes();\n      this.properties = properties;\n      this.seacAnalysisEnabled = !!seacAnalysisEnabled;\n    }\n\n    parse() {\n      var properties = this.properties;\n      var cff = new CFF();\n      this.cff = cff;\n\n      // The first five sections must be in order, all the others are reached\n      // via offsets contained in one of the below.\n      var header = this.parseHeader();\n      var nameIndex = this.parseIndex(header.endPos);\n      var topDictIndex = this.parseIndex(nameIndex.endPos);\n      var stringIndex = this.parseIndex(topDictIndex.endPos);\n      var globalSubrIndex = this.parseIndex(stringIndex.endPos);\n\n      var topDictParsed = this.parseDict(topDictIndex.obj.get(0));\n      var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);\n\n      cff.header = header.obj;\n      cff.names = this.parseNameIndex(nameIndex.obj);\n      cff.strings = this.parseStringIndex(stringIndex.obj);\n      cff.topDict = topDict;\n      cff.globalSubrIndex = globalSubrIndex.obj;\n\n      this.parsePrivateDict(cff.topDict);\n\n      cff.isCIDFont = topDict.hasName(\"ROS\");\n\n      var charStringOffset = topDict.getByName(\"CharStrings\");\n      var charStringIndex = this.parseIndex(charStringOffset).obj;\n\n      var fontMatrix = topDict.getByName(\"FontMatrix\");\n      if (fontMatrix) {\n        properties.fontMatrix = fontMatrix;\n      }\n\n      var fontBBox = topDict.getByName(\"FontBBox\");\n      if (fontBBox) {\n        // adjusting ascent/descent\n        properties.ascent = Math.max(fontBBox[3], fontBBox[1]);\n        properties.descent = Math.min(fontBBox[1], fontBBox[3]);\n        properties.ascentScaled = true;\n      }\n\n      var charset, encoding;\n      if (cff.isCIDFont) {\n        var fdArrayIndex = this.parseIndex(topDict.getByName(\"FDArray\")).obj;\n        for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {\n          var dictRaw = fdArrayIndex.get(i);\n          var fontDict = this.createDict(\n            CFFTopDict,\n            this.parseDict(dictRaw),\n            cff.strings\n          );\n          this.parsePrivateDict(fontDict);\n          cff.fdArray.push(fontDict);\n        }\n        // cid fonts don't have an encoding\n        encoding = null;\n        charset = this.parseCharsets(\n          topDict.getByName(\"charset\"),\n          charStringIndex.count,\n          cff.strings,\n          true\n        );\n        cff.fdSelect = this.parseFDSelect(\n          topDict.getByName(\"FDSelect\"),\n          charStringIndex.count\n        );\n      } else {\n        charset = this.parseCharsets(\n          topDict.getByName(\"charset\"),\n          charStringIndex.count,\n          cff.strings,\n          false\n        );\n        encoding = this.parseEncoding(\n          topDict.getByName(\"Encoding\"),\n          properties,\n          cff.strings,\n          charset.charset\n        );\n      }\n\n      cff.charset = charset;\n      cff.encoding = encoding;\n\n      var charStringsAndSeacs = this.parseCharStrings({\n        charStrings: charStringIndex,\n        localSubrIndex: topDict.privateDict.subrsIndex,\n        globalSubrIndex: globalSubrIndex.obj,\n        fdSelect: cff.fdSelect,\n        fdArray: cff.fdArray,\n        privateDict: topDict.privateDict,\n      });\n      cff.charStrings = charStringsAndSeacs.charStrings;\n      cff.seacs = charStringsAndSeacs.seacs;\n      cff.widths = charStringsAndSeacs.widths;\n\n      return cff;\n    }\n\n    parseHeader() {\n      var bytes = this.bytes;\n      var bytesLength = bytes.length;\n      var offset = 0;\n\n      // Prevent an infinite loop, by checking that the offset is within the\n      // bounds of the bytes array. Necessary in empty, or invalid, font files.\n      while (offset < bytesLength && bytes[offset] !== 1) {\n        ++offset;\n      }\n      if (offset >= bytesLength) {\n        throw new FormatError(\"Invalid CFF header\");\n      }\n      if (offset !== 0) {\n        info(\"cff data is shifted\");\n        bytes = bytes.subarray(offset);\n        this.bytes = bytes;\n      }\n      var major = bytes[0];\n      var minor = bytes[1];\n      var hdrSize = bytes[2];\n      var offSize = bytes[3];\n      var header = new CFFHeader(major, minor, hdrSize, offSize);\n      return { obj: header, endPos: hdrSize };\n    }\n\n    parseDict(dict) {\n      var pos = 0;\n\n      function parseOperand() {\n        var value = dict[pos++];\n        if (value === 30) {\n          return parseFloatOperand();\n        } else if (value === 28) {\n          value = dict[pos++];\n          value = ((value << 24) | (dict[pos++] << 16)) >> 16;\n          return value;\n        } else if (value === 29) {\n          value = dict[pos++];\n          value = (value << 8) | dict[pos++];\n          value = (value << 8) | dict[pos++];\n          value = (value << 8) | dict[pos++];\n          return value;\n        } else if (value >= 32 && value <= 246) {\n          return value - 139;\n        } else if (value >= 247 && value <= 250) {\n          return (value - 247) * 256 + dict[pos++] + 108;\n        } else if (value >= 251 && value <= 254) {\n          return -((value - 251) * 256) - dict[pos++] - 108;\n        }\n        warn('CFFParser_parseDict: \"' + value + '\" is a reserved command.');\n        return NaN;\n      }\n\n      function parseFloatOperand() {\n        var str = \"\";\n        var eof = 15;\n        // prettier-ignore\n        const lookup = [\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\",\n                        \"9\", \".\", \"E\", \"E-\", null, \"-\"];\n        var length = dict.length;\n        while (pos < length) {\n          var b = dict[pos++];\n          var b1 = b >> 4;\n          var b2 = b & 15;\n\n          if (b1 === eof) {\n            break;\n          }\n          str += lookup[b1];\n\n          if (b2 === eof) {\n            break;\n          }\n          str += lookup[b2];\n        }\n        return parseFloat(str);\n      }\n\n      var operands = [];\n      var entries = [];\n\n      pos = 0;\n      var end = dict.length;\n      while (pos < end) {\n        var b = dict[pos];\n        if (b <= 21) {\n          if (b === 12) {\n            b = (b << 8) | dict[++pos];\n          }\n          entries.push([b, operands]);\n          operands = [];\n          ++pos;\n        } else {\n          operands.push(parseOperand());\n        }\n      }\n      return entries;\n    }\n\n    parseIndex(pos) {\n      var cffIndex = new CFFIndex();\n      var bytes = this.bytes;\n      var count = (bytes[pos++] << 8) | bytes[pos++];\n      var offsets = [];\n      var end = pos;\n      var i, ii;\n\n      if (count !== 0) {\n        var offsetSize = bytes[pos++];\n        // add 1 for offset to determine size of last object\n        var startPos = pos + (count + 1) * offsetSize - 1;\n\n        for (i = 0, ii = count + 1; i < ii; ++i) {\n          var offset = 0;\n          for (var j = 0; j < offsetSize; ++j) {\n            offset <<= 8;\n            offset += bytes[pos++];\n          }\n          offsets.push(startPos + offset);\n        }\n        end = offsets[count];\n      }\n      for (i = 0, ii = offsets.length - 1; i < ii; ++i) {\n        var offsetStart = offsets[i];\n        var offsetEnd = offsets[i + 1];\n        cffIndex.add(bytes.subarray(offsetStart, offsetEnd));\n      }\n      return { obj: cffIndex, endPos: end };\n    }\n\n    parseNameIndex(index) {\n      var names = [];\n      for (var i = 0, ii = index.count; i < ii; ++i) {\n        var name = index.get(i);\n        names.push(bytesToString(name));\n      }\n      return names;\n    }\n\n    parseStringIndex(index) {\n      var strings = new CFFStrings();\n      for (var i = 0, ii = index.count; i < ii; ++i) {\n        var data = index.get(i);\n        strings.add(bytesToString(data));\n      }\n      return strings;\n    }\n\n    createDict(Type, dict, strings) {\n      var cffDict = new Type(strings);\n      for (var i = 0, ii = dict.length; i < ii; ++i) {\n        var pair = dict[i];\n        var key = pair[0];\n        var value = pair[1];\n        cffDict.setByKey(key, value);\n      }\n      return cffDict;\n    }\n\n    parseCharString(state, data, localSubrIndex, globalSubrIndex) {\n      if (!data || state.callDepth > MAX_SUBR_NESTING) {\n        return false;\n      }\n      var stackSize = state.stackSize;\n      var stack = state.stack;\n\n      var length = data.length;\n\n      for (var j = 0; j < length; ) {\n        var value = data[j++];\n        var validationCommand = null;\n        if (value === 12) {\n          var q = data[j++];\n          if (q === 0) {\n            // The CFF specification state that the 'dotsection' command\n            // (12, 0) is deprecated and treated as a no-op, but all Type2\n            // charstrings processors should support them. Unfortunately\n            // the font sanitizer don't. As a workaround the sequence (12, 0)\n            // is replaced by a useless (0, hmoveto).\n            data[j - 2] = 139;\n            data[j - 1] = 22;\n            stackSize = 0;\n          } else {\n            validationCommand = CharstringValidationData12[q];\n          }\n        } else if (value === 28) {\n          // number (16 bit)\n          stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16)) >> 16;\n          j += 2;\n          stackSize++;\n        } else if (value === 14) {\n          if (stackSize >= 4) {\n            stackSize -= 4;\n            if (this.seacAnalysisEnabled) {\n              state.seac = stack.slice(stackSize, stackSize + 4);\n              return false;\n            }\n          }\n          validationCommand = CharstringValidationData[value];\n        } else if (value >= 32 && value <= 246) {\n          // number\n          stack[stackSize] = value - 139;\n          stackSize++;\n        } else if (value >= 247 && value <= 254) {\n          // number (+1 bytes)\n          stack[stackSize] =\n            value < 251\n              ? ((value - 247) << 8) + data[j] + 108\n              : -((value - 251) << 8) - data[j] - 108;\n          j++;\n          stackSize++;\n        } else if (value === 255) {\n          // number (32 bit)\n          stack[stackSize] =\n            ((data[j] << 24) |\n              (data[j + 1] << 16) |\n              (data[j + 2] << 8) |\n              data[j + 3]) /\n            65536;\n          j += 4;\n          stackSize++;\n        } else if (value === 19 || value === 20) {\n          state.hints += stackSize >> 1;\n          // skipping right amount of hints flag data\n          j += (state.hints + 7) >> 3;\n          stackSize %= 2;\n          validationCommand = CharstringValidationData[value];\n        } else if (value === 10 || value === 29) {\n          var subrsIndex;\n          if (value === 10) {\n            subrsIndex = localSubrIndex;\n          } else {\n            subrsIndex = globalSubrIndex;\n          }\n          if (!subrsIndex) {\n            validationCommand = CharstringValidationData[value];\n            warn(\"Missing subrsIndex for \" + validationCommand.id);\n            return false;\n          }\n          var bias = 32768;\n          if (subrsIndex.count < 1240) {\n            bias = 107;\n          } else if (subrsIndex.count < 33900) {\n            bias = 1131;\n          }\n          var subrNumber = stack[--stackSize] + bias;\n          if (\n            subrNumber < 0 ||\n            subrNumber >= subrsIndex.count ||\n            isNaN(subrNumber)\n          ) {\n            validationCommand = CharstringValidationData[value];\n            warn(\"Out of bounds subrIndex for \" + validationCommand.id);\n            return false;\n          }\n          state.stackSize = stackSize;\n          state.callDepth++;\n          var valid = this.parseCharString(\n            state,\n            subrsIndex.get(subrNumber),\n            localSubrIndex,\n            globalSubrIndex\n          );\n          if (!valid) {\n            return false;\n          }\n          state.callDepth--;\n          stackSize = state.stackSize;\n          continue;\n        } else if (value === 11) {\n          state.stackSize = stackSize;\n          return true;\n        } else {\n          validationCommand = CharstringValidationData[value];\n        }\n        if (validationCommand) {\n          if (validationCommand.stem) {\n            state.hints += stackSize >> 1;\n            if (value === 3 || value === 23) {\n              // vstem or vstemhm.\n              state.hasVStems = true;\n            } else if (state.hasVStems && (value === 1 || value === 18)) {\n              // Some browsers don't draw glyphs that specify vstems before\n              // hstems. As a workaround, replace hstem (1) and hstemhm (18)\n              // with a pointless vstem (3) or vstemhm (23).\n              warn(\"CFF stem hints are in wrong order\");\n              data[j - 1] = value === 1 ? 3 : 23;\n            }\n          }\n          if (\"min\" in validationCommand) {\n            if (!state.undefStack && stackSize < validationCommand.min) {\n              warn(\n                \"Not enough parameters for \" +\n                  validationCommand.id +\n                  \"; actual: \" +\n                  stackSize +\n                  \", expected: \" +\n                  validationCommand.min\n              );\n              return false;\n            }\n          }\n          if (state.firstStackClearing && validationCommand.stackClearing) {\n            state.firstStackClearing = false;\n            // the optional character width can be found before the first\n            // stack-clearing command arguments\n            stackSize -= validationCommand.min;\n            if (stackSize >= 2 && validationCommand.stem) {\n              // there are even amount of arguments for stem commands\n              stackSize %= 2;\n            } else if (stackSize > 1) {\n              warn(\"Found too many parameters for stack-clearing command\");\n            }\n            if (stackSize > 0 && stack[stackSize - 1] >= 0) {\n              state.width = stack[stackSize - 1];\n            }\n          }\n          if (\"stackDelta\" in validationCommand) {\n            if (\"stackFn\" in validationCommand) {\n              validationCommand.stackFn(stack, stackSize);\n            }\n            stackSize += validationCommand.stackDelta;\n          } else if (validationCommand.stackClearing) {\n            stackSize = 0;\n          } else if (validationCommand.resetStack) {\n            stackSize = 0;\n            state.undefStack = false;\n          } else if (validationCommand.undefStack) {\n            stackSize = 0;\n            state.undefStack = true;\n            state.firstStackClearing = false;\n          }\n        }\n      }\n      state.stackSize = stackSize;\n      return true;\n    }\n\n    parseCharStrings({\n      charStrings,\n      localSubrIndex,\n      globalSubrIndex,\n      fdSelect,\n      fdArray,\n      privateDict,\n    }) {\n      var seacs = [];\n      var widths = [];\n      var count = charStrings.count;\n      for (var i = 0; i < count; i++) {\n        var charstring = charStrings.get(i);\n        var state = {\n          callDepth: 0,\n          stackSize: 0,\n          stack: [],\n          undefStack: true,\n          hints: 0,\n          firstStackClearing: true,\n          seac: null,\n          width: null,\n          hasVStems: false,\n        };\n        var valid = true;\n        var localSubrToUse = null;\n        var privateDictToUse = privateDict;\n        if (fdSelect && fdArray.length) {\n          var fdIndex = fdSelect.getFDIndex(i);\n          if (fdIndex === -1) {\n            warn(\"Glyph index is not in fd select.\");\n            valid = false;\n          }\n          if (fdIndex >= fdArray.length) {\n            warn(\"Invalid fd index for glyph index.\");\n            valid = false;\n          }\n          if (valid) {\n            privateDictToUse = fdArray[fdIndex].privateDict;\n            localSubrToUse = privateDictToUse.subrsIndex;\n          }\n        } else if (localSubrIndex) {\n          localSubrToUse = localSubrIndex;\n        }\n        if (valid) {\n          valid = this.parseCharString(\n            state,\n            charstring,\n            localSubrToUse,\n            globalSubrIndex\n          );\n        }\n        if (state.width !== null) {\n          const nominalWidth = privateDictToUse.getByName(\"nominalWidthX\");\n          widths[i] = nominalWidth + state.width;\n        } else {\n          const defaultWidth = privateDictToUse.getByName(\"defaultWidthX\");\n          widths[i] = defaultWidth;\n        }\n        if (state.seac !== null) {\n          seacs[i] = state.seac;\n        }\n        if (!valid) {\n          // resetting invalid charstring to single 'endchar'\n          charStrings.set(i, new Uint8Array([14]));\n        }\n      }\n      return { charStrings, seacs, widths };\n    }\n\n    emptyPrivateDictionary(parentDict) {\n      var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);\n      parentDict.setByKey(18, [0, 0]);\n      parentDict.privateDict = privateDict;\n    }\n\n    parsePrivateDict(parentDict) {\n      // no private dict, do nothing\n      if (!parentDict.hasName(\"Private\")) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n      var privateOffset = parentDict.getByName(\"Private\");\n      // make sure the params are formatted correctly\n      if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {\n        parentDict.removeByName(\"Private\");\n        return;\n      }\n      var size = privateOffset[0];\n      var offset = privateOffset[1];\n      // remove empty dicts or ones that refer to invalid location\n      if (size === 0 || offset >= this.bytes.length) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n\n      var privateDictEnd = offset + size;\n      var dictData = this.bytes.subarray(offset, privateDictEnd);\n      var dict = this.parseDict(dictData);\n      var privateDict = this.createDict(\n        CFFPrivateDict,\n        dict,\n        parentDict.strings\n      );\n      parentDict.privateDict = privateDict;\n\n      // Parse the Subrs index also since it's relative to the private dict.\n      if (!privateDict.getByName(\"Subrs\")) {\n        return;\n      }\n      var subrsOffset = privateDict.getByName(\"Subrs\");\n      var relativeOffset = offset + subrsOffset;\n      // Validate the offset.\n      if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n      var subrsIndex = this.parseIndex(relativeOffset);\n      privateDict.subrsIndex = subrsIndex.obj;\n    }\n\n    parseCharsets(pos, length, strings, cid) {\n      if (pos === 0) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.ISO_ADOBE,\n          ISOAdobeCharset\n        );\n      } else if (pos === 1) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.EXPERT,\n          ExpertCharset\n        );\n      } else if (pos === 2) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.EXPERT_SUBSET,\n          ExpertSubsetCharset\n        );\n      }\n\n      var bytes = this.bytes;\n      var start = pos;\n      var format = bytes[pos++];\n      const charset = [cid ? 0 : \".notdef\"];\n      var id, count, i;\n\n      // subtract 1 for the .notdef glyph\n      length -= 1;\n\n      switch (format) {\n        case 0:\n          for (i = 0; i < length; i++) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            charset.push(cid ? id : strings.get(id));\n          }\n          break;\n        case 1:\n          while (charset.length <= length) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            count = bytes[pos++];\n            for (i = 0; i <= count; i++) {\n              charset.push(cid ? id++ : strings.get(id++));\n            }\n          }\n          break;\n        case 2:\n          while (charset.length <= length) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            count = (bytes[pos++] << 8) | bytes[pos++];\n            for (i = 0; i <= count; i++) {\n              charset.push(cid ? id++ : strings.get(id++));\n            }\n          }\n          break;\n        default:\n          throw new FormatError(\"Unknown charset format\");\n      }\n      // Raw won't be needed if we actually compile the charset.\n      var end = pos;\n      var raw = bytes.subarray(start, end);\n\n      return new CFFCharset(false, format, charset, raw);\n    }\n\n    parseEncoding(pos, properties, strings, charset) {\n      var encoding = Object.create(null);\n      var bytes = this.bytes;\n      var predefined = false;\n      var format, i, ii;\n      var raw = null;\n\n      function readSupplement() {\n        var supplementsCount = bytes[pos++];\n        for (i = 0; i < supplementsCount; i++) {\n          var code = bytes[pos++];\n          var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);\n          encoding[code] = charset.indexOf(strings.get(sid));\n        }\n      }\n\n      if (pos === 0 || pos === 1) {\n        predefined = true;\n        format = pos;\n        var baseEncoding = pos ? ExpertEncoding : StandardEncoding;\n        for (i = 0, ii = charset.length; i < ii; i++) {\n          var index = baseEncoding.indexOf(charset[i]);\n          if (index !== -1) {\n            encoding[index] = i;\n          }\n        }\n      } else {\n        var dataStart = pos;\n        format = bytes[pos++];\n        switch (format & 0x7f) {\n          case 0:\n            var glyphsCount = bytes[pos++];\n            for (i = 1; i <= glyphsCount; i++) {\n              encoding[bytes[pos++]] = i;\n            }\n            break;\n\n          case 1:\n            var rangesCount = bytes[pos++];\n            var gid = 1;\n            for (i = 0; i < rangesCount; i++) {\n              var start = bytes[pos++];\n              var left = bytes[pos++];\n              for (var j = start; j <= start + left; j++) {\n                encoding[j] = gid++;\n              }\n            }\n            break;\n\n          default:\n            throw new FormatError(`Unknown encoding format: ${format} in CFF`);\n        }\n        var dataEnd = pos;\n        if (format & 0x80) {\n          // hasSupplement\n          // The font sanitizer does not support CFF encoding with a\n          // supplement, since the encoding is not really used to map\n          // between gid to glyph, let's overwrite what is declared in\n          // the top dictionary to let the sanitizer think the font use\n          // StandardEncoding, that's a lie but that's ok.\n          bytes[dataStart] &= 0x7f;\n          readSupplement();\n        }\n        raw = bytes.subarray(dataStart, dataEnd);\n      }\n      format = format & 0x7f;\n      return new CFFEncoding(predefined, format, encoding, raw);\n    }\n\n    parseFDSelect(pos, length) {\n      var bytes = this.bytes;\n      var format = bytes[pos++];\n      var fdSelect = [];\n      var i;\n\n      switch (format) {\n        case 0:\n          for (i = 0; i < length; ++i) {\n            var id = bytes[pos++];\n            fdSelect.push(id);\n          }\n          break;\n        case 3:\n          var rangesCount = (bytes[pos++] << 8) | bytes[pos++];\n          for (i = 0; i < rangesCount; ++i) {\n            var first = (bytes[pos++] << 8) | bytes[pos++];\n            if (i === 0 && first !== 0) {\n              warn(\n                \"parseFDSelect: The first range must have a first GID of 0\" +\n                  \" -- trying to recover.\"\n              );\n              first = 0;\n            }\n            var fdIndex = bytes[pos++];\n            var next = (bytes[pos] << 8) | bytes[pos + 1];\n            for (var j = first; j < next; ++j) {\n              fdSelect.push(fdIndex);\n            }\n          }\n          // Advance past the sentinel(next).\n          pos += 2;\n          break;\n        default:\n          throw new FormatError(`parseFDSelect: Unknown format \"${format}\".`);\n      }\n      if (fdSelect.length !== length) {\n        throw new FormatError(\"parseFDSelect: Invalid font data.\");\n      }\n\n      return new CFFFDSelect(format, fdSelect);\n    }\n  }\n  return CFFParser;\n})();\n\n// Compact Font Format\nclass CFF {\n  constructor() {\n    this.header = null;\n    this.names = [];\n    this.topDict = null;\n    this.strings = new CFFStrings();\n    this.globalSubrIndex = null;\n\n    // The following could really be per font, but since we only have one font\n    // store them here.\n    this.encoding = null;\n    this.charset = null;\n    this.charStrings = null;\n    this.fdArray = [];\n    this.fdSelect = null;\n\n    this.isCIDFont = false;\n  }\n\n  duplicateFirstGlyph() {\n    // Browsers will not display a glyph at position 0. Typically glyph 0 is\n    // notdef, but a number of fonts put a valid glyph there so it must be\n    // duplicated and appended.\n    if (this.charStrings.count >= 65535) {\n      warn(\"Not enough space in charstrings to duplicate first glyph.\");\n      return;\n    }\n    var glyphZero = this.charStrings.get(0);\n    this.charStrings.add(glyphZero);\n    if (this.isCIDFont) {\n      this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]);\n    }\n  }\n\n  hasGlyphId(id) {\n    if (id < 0 || id >= this.charStrings.count) {\n      return false;\n    }\n    var glyph = this.charStrings.get(id);\n    return glyph.length > 0;\n  }\n}\n\nclass CFFHeader {\n  constructor(major, minor, hdrSize, offSize) {\n    this.major = major;\n    this.minor = minor;\n    this.hdrSize = hdrSize;\n    this.offSize = offSize;\n  }\n}\n\nclass CFFStrings {\n  constructor() {\n    this.strings = [];\n  }\n\n  get(index) {\n    if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) {\n      return CFFStandardStrings[index];\n    }\n    if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) {\n      return this.strings[index - NUM_STANDARD_CFF_STRINGS];\n    }\n    return CFFStandardStrings[0];\n  }\n\n  getSID(str) {\n    let index = CFFStandardStrings.indexOf(str);\n    if (index !== -1) {\n      return index;\n    }\n    index = this.strings.indexOf(str);\n    if (index !== -1) {\n      return index + NUM_STANDARD_CFF_STRINGS;\n    }\n    return -1;\n  }\n\n  add(value) {\n    this.strings.push(value);\n  }\n\n  get count() {\n    return this.strings.length;\n  }\n}\n\nclass CFFIndex {\n  constructor() {\n    this.objects = [];\n    this.length = 0;\n  }\n\n  add(data) {\n    this.length += data.length;\n    this.objects.push(data);\n  }\n\n  set(index, data) {\n    this.length += data.length - this.objects[index].length;\n    this.objects[index] = data;\n  }\n\n  get(index) {\n    return this.objects[index];\n  }\n\n  get count() {\n    return this.objects.length;\n  }\n}\n\nclass CFFDict {\n  constructor(tables, strings) {\n    this.keyToNameMap = tables.keyToNameMap;\n    this.nameToKeyMap = tables.nameToKeyMap;\n    this.defaults = tables.defaults;\n    this.types = tables.types;\n    this.opcodes = tables.opcodes;\n    this.order = tables.order;\n    this.strings = strings;\n    this.values = Object.create(null);\n  }\n\n  // value should always be an array\n  setByKey(key, value) {\n    if (!(key in this.keyToNameMap)) {\n      return false;\n    }\n    var valueLength = value.length;\n    // ignore empty values\n    if (valueLength === 0) {\n      return true;\n    }\n    // Ignore invalid values (fixes bug1068432.pdf and bug1308536.pdf).\n    for (var i = 0; i < valueLength; i++) {\n      if (isNaN(value[i])) {\n        warn('Invalid CFFDict value: \"' + value + '\" for key \"' + key + '\".');\n        return true;\n      }\n    }\n    var type = this.types[key];\n    // remove the array wrapping these types of values\n    if (type === \"num\" || type === \"sid\" || type === \"offset\") {\n      value = value[0];\n    }\n    this.values[key] = value;\n    return true;\n  }\n\n  setByName(name, value) {\n    if (!(name in this.nameToKeyMap)) {\n      throw new FormatError(`Invalid dictionary name \"${name}\"`);\n    }\n    this.values[this.nameToKeyMap[name]] = value;\n  }\n\n  hasName(name) {\n    return this.nameToKeyMap[name] in this.values;\n  }\n\n  getByName(name) {\n    if (!(name in this.nameToKeyMap)) {\n      throw new FormatError(`Invalid dictionary name ${name}\"`);\n    }\n    var key = this.nameToKeyMap[name];\n    if (!(key in this.values)) {\n      return this.defaults[key];\n    }\n    return this.values[key];\n  }\n\n  removeByName(name) {\n    delete this.values[this.nameToKeyMap[name]];\n  }\n\n  static createTables(layout) {\n    var tables = {\n      keyToNameMap: {},\n      nameToKeyMap: {},\n      defaults: {},\n      types: {},\n      opcodes: {},\n      order: [],\n    };\n    for (var i = 0, ii = layout.length; i < ii; ++i) {\n      var entry = layout[i];\n      var key = Array.isArray(entry[0])\n        ? (entry[0][0] << 8) + entry[0][1]\n        : entry[0];\n      tables.keyToNameMap[key] = entry[1];\n      tables.nameToKeyMap[entry[1]] = key;\n      tables.types[key] = entry[2];\n      tables.defaults[key] = entry[3];\n      tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];\n      tables.order.push(key);\n    }\n    return tables;\n  }\n}\n\nvar CFFTopDict = (function CFFTopDictClosure() {\n  var layout = [\n    [[12, 30], \"ROS\", [\"sid\", \"sid\", \"num\"], null],\n    [[12, 20], \"SyntheticBase\", \"num\", null],\n    [0, \"version\", \"sid\", null],\n    [1, \"Notice\", \"sid\", null],\n    [[12, 0], \"Copyright\", \"sid\", null],\n    [2, \"FullName\", \"sid\", null],\n    [3, \"FamilyName\", \"sid\", null],\n    [4, \"Weight\", \"sid\", null],\n    [[12, 1], \"isFixedPitch\", \"num\", 0],\n    [[12, 2], \"ItalicAngle\", \"num\", 0],\n    [[12, 3], \"UnderlinePosition\", \"num\", -100],\n    [[12, 4], \"UnderlineThickness\", \"num\", 50],\n    [[12, 5], \"PaintType\", \"num\", 0],\n    [[12, 6], \"CharstringType\", \"num\", 2],\n    // prettier-ignore\n    [[12, 7], \"FontMatrix\", [\"num\", \"num\", \"num\", \"num\", \"num\", \"num\"],\n                            [0.001, 0, 0, 0.001, 0, 0]],\n    [13, \"UniqueID\", \"num\", null],\n    [5, \"FontBBox\", [\"num\", \"num\", \"num\", \"num\"], [0, 0, 0, 0]],\n    [[12, 8], \"StrokeWidth\", \"num\", 0],\n    [14, \"XUID\", \"array\", null],\n    [15, \"charset\", \"offset\", 0],\n    [16, \"Encoding\", \"offset\", 0],\n    [17, \"CharStrings\", \"offset\", 0],\n    [18, \"Private\", [\"offset\", \"offset\"], null],\n    [[12, 21], \"PostScript\", \"sid\", null],\n    [[12, 22], \"BaseFontName\", \"sid\", null],\n    [[12, 23], \"BaseFontBlend\", \"delta\", null],\n    [[12, 31], \"CIDFontVersion\", \"num\", 0],\n    [[12, 32], \"CIDFontRevision\", \"num\", 0],\n    [[12, 33], \"CIDFontType\", \"num\", 0],\n    [[12, 34], \"CIDCount\", \"num\", 8720],\n    [[12, 35], \"UIDBase\", \"num\", null],\n    // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes\n    // before FDArray.\n    [[12, 37], \"FDSelect\", \"offset\", null],\n    [[12, 36], \"FDArray\", \"offset\", null],\n    [[12, 38], \"FontName\", \"sid\", null],\n  ];\n  var tables = null;\n\n  // eslint-disable-next-line no-shadow\n  class CFFTopDict extends CFFDict {\n    constructor(strings) {\n      if (tables === null) {\n        tables = CFFDict.createTables(layout);\n      }\n      super(tables, strings);\n      this.privateDict = null;\n    }\n  }\n  return CFFTopDict;\n})();\n\nvar CFFPrivateDict = (function CFFPrivateDictClosure() {\n  var layout = [\n    [6, \"BlueValues\", \"delta\", null],\n    [7, \"OtherBlues\", \"delta\", null],\n    [8, \"FamilyBlues\", \"delta\", null],\n    [9, \"FamilyOtherBlues\", \"delta\", null],\n    [[12, 9], \"BlueScale\", \"num\", 0.039625],\n    [[12, 10], \"BlueShift\", \"num\", 7],\n    [[12, 11], \"BlueFuzz\", \"num\", 1],\n    [10, \"StdHW\", \"num\", null],\n    [11, \"StdVW\", \"num\", null],\n    [[12, 12], \"StemSnapH\", \"delta\", null],\n    [[12, 13], \"StemSnapV\", \"delta\", null],\n    [[12, 14], \"ForceBold\", \"num\", 0],\n    [[12, 17], \"LanguageGroup\", \"num\", 0],\n    [[12, 18], \"ExpansionFactor\", \"num\", 0.06],\n    [[12, 19], \"initialRandomSeed\", \"num\", 0],\n    [20, \"defaultWidthX\", \"num\", 0],\n    [21, \"nominalWidthX\", \"num\", 0],\n    [19, \"Subrs\", \"offset\", null],\n  ];\n  var tables = null;\n\n  // eslint-disable-next-line no-shadow\n  class CFFPrivateDict extends CFFDict {\n    constructor(strings) {\n      if (tables === null) {\n        tables = CFFDict.createTables(layout);\n      }\n      super(tables, strings);\n      this.subrsIndex = null;\n    }\n  }\n  return CFFPrivateDict;\n})();\n\nvar CFFCharsetPredefinedTypes = {\n  ISO_ADOBE: 0,\n  EXPERT: 1,\n  EXPERT_SUBSET: 2,\n};\nclass CFFCharset {\n  constructor(predefined, format, charset, raw) {\n    this.predefined = predefined;\n    this.format = format;\n    this.charset = charset;\n    this.raw = raw;\n  }\n}\n\nclass CFFEncoding {\n  constructor(predefined, format, encoding, raw) {\n    this.predefined = predefined;\n    this.format = format;\n    this.encoding = encoding;\n    this.raw = raw;\n  }\n}\n\nclass CFFFDSelect {\n  constructor(format, fdSelect) {\n    this.format = format;\n    this.fdSelect = fdSelect;\n  }\n\n  getFDIndex(glyphIndex) {\n    if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {\n      return -1;\n    }\n    return this.fdSelect[glyphIndex];\n  }\n}\n\n// Helper class to keep track of where an offset is within the data and helps\n// filling in that offset once it's known.\nclass CFFOffsetTracker {\n  constructor() {\n    this.offsets = Object.create(null);\n  }\n\n  isTracking(key) {\n    return key in this.offsets;\n  }\n\n  track(key, location) {\n    if (key in this.offsets) {\n      throw new FormatError(`Already tracking location of ${key}`);\n    }\n    this.offsets[key] = location;\n  }\n\n  offset(value) {\n    for (var key in this.offsets) {\n      this.offsets[key] += value;\n    }\n  }\n\n  setEntryLocation(key, values, output) {\n    if (!(key in this.offsets)) {\n      throw new FormatError(`Not tracking location of ${key}`);\n    }\n    var data = output.data;\n    var dataOffset = this.offsets[key];\n    var size = 5;\n    for (var i = 0, ii = values.length; i < ii; ++i) {\n      var offset0 = i * size + dataOffset;\n      var offset1 = offset0 + 1;\n      var offset2 = offset0 + 2;\n      var offset3 = offset0 + 3;\n      var offset4 = offset0 + 4;\n      // It's easy to screw up offsets so perform this sanity check.\n      if (\n        data[offset0] !== 0x1d ||\n        data[offset1] !== 0 ||\n        data[offset2] !== 0 ||\n        data[offset3] !== 0 ||\n        data[offset4] !== 0\n      ) {\n        throw new FormatError(\"writing to an offset that is not empty\");\n      }\n      var value = values[i];\n      data[offset0] = 0x1d;\n      data[offset1] = (value >> 24) & 0xff;\n      data[offset2] = (value >> 16) & 0xff;\n      data[offset3] = (value >> 8) & 0xff;\n      data[offset4] = value & 0xff;\n    }\n  }\n}\n\n// Takes a CFF and converts it to the binary representation.\nclass CFFCompiler {\n  constructor(cff) {\n    this.cff = cff;\n  }\n\n  compile() {\n    var cff = this.cff;\n    var output = {\n      data: [],\n      length: 0,\n      add: function CFFCompiler_add(data) {\n        this.data = this.data.concat(data);\n        this.length = this.data.length;\n      },\n    };\n\n    // Compile the five entries that must be in order.\n    var header = this.compileHeader(cff.header);\n    output.add(header);\n\n    var nameIndex = this.compileNameIndex(cff.names);\n    output.add(nameIndex);\n\n    if (cff.isCIDFont) {\n      // The spec is unclear on how font matrices should relate to each other\n      // when there is one in the main top dict and the sub top dicts.\n      // Windows handles this differently than linux and osx so we have to\n      // normalize to work on all.\n      // Rules based off of some mailing list discussions:\n      // - If main font has a matrix and subfont doesn't, use the main matrix.\n      // - If no main font matrix and there is a subfont matrix, use the\n      //   subfont matrix.\n      // - If both have matrices, concat together.\n      // - If neither have matrices, use default.\n      // To make this work on all platforms we move the top matrix into each\n      // sub top dict and concat if necessary.\n      if (cff.topDict.hasName(\"FontMatrix\")) {\n        var base = cff.topDict.getByName(\"FontMatrix\");\n        cff.topDict.removeByName(\"FontMatrix\");\n        for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {\n          var subDict = cff.fdArray[i];\n          var matrix = base.slice(0);\n          if (subDict.hasName(\"FontMatrix\")) {\n            matrix = Util.transform(matrix, subDict.getByName(\"FontMatrix\"));\n          }\n          subDict.setByName(\"FontMatrix\", matrix);\n        }\n      }\n    }\n\n    cff.topDict.setByName(\"charset\", 0);\n    var compiled = this.compileTopDicts(\n      [cff.topDict],\n      output.length,\n      cff.isCIDFont\n    );\n    output.add(compiled.output);\n    var topDictTracker = compiled.trackers[0];\n\n    var stringIndex = this.compileStringIndex(cff.strings.strings);\n    output.add(stringIndex);\n\n    var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);\n    output.add(globalSubrIndex);\n\n    // Now start on the other entries that have no specific order.\n    if (cff.encoding && cff.topDict.hasName(\"Encoding\")) {\n      if (cff.encoding.predefined) {\n        topDictTracker.setEntryLocation(\n          \"Encoding\",\n          [cff.encoding.format],\n          output\n        );\n      } else {\n        var encoding = this.compileEncoding(cff.encoding);\n        topDictTracker.setEntryLocation(\"Encoding\", [output.length], output);\n        output.add(encoding);\n      }\n    }\n    var charset = this.compileCharset(\n      cff.charset,\n      cff.charStrings.count,\n      cff.strings,\n      cff.isCIDFont\n    );\n    topDictTracker.setEntryLocation(\"charset\", [output.length], output);\n    output.add(charset);\n\n    var charStrings = this.compileCharStrings(cff.charStrings);\n    topDictTracker.setEntryLocation(\"CharStrings\", [output.length], output);\n    output.add(charStrings);\n\n    if (cff.isCIDFont) {\n      // For some reason FDSelect must be in front of FDArray on windows. OSX\n      // and linux don't seem to care.\n      topDictTracker.setEntryLocation(\"FDSelect\", [output.length], output);\n      var fdSelect = this.compileFDSelect(cff.fdSelect);\n      output.add(fdSelect);\n      // It is unclear if the sub font dictionary can have CID related\n      // dictionary keys, but the sanitizer doesn't like them so remove them.\n      compiled = this.compileTopDicts(cff.fdArray, output.length, true);\n      topDictTracker.setEntryLocation(\"FDArray\", [output.length], output);\n      output.add(compiled.output);\n      var fontDictTrackers = compiled.trackers;\n\n      this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);\n    }\n\n    this.compilePrivateDicts([cff.topDict], [topDictTracker], output);\n\n    // If the font data ends with INDEX whose object data is zero-length,\n    // the sanitizer will bail out. Add a dummy byte to avoid that.\n    output.add([0]);\n\n    return output.data;\n  }\n\n  encodeNumber(value) {\n    if (Number.isInteger(value)) {\n      return this.encodeInteger(value);\n    }\n    return this.encodeFloat(value);\n  }\n\n  static get EncodeFloatRegExp() {\n    return shadow(\n      this,\n      \"EncodeFloatRegExp\",\n      /\\.(\\d*?)(?:9{5,20}|0{5,20})\\d{0,2}(?:e(.+)|$)/\n    );\n  }\n\n  encodeFloat(num) {\n    var value = num.toString();\n\n    // Rounding inaccurate doubles.\n    var m = CFFCompiler.EncodeFloatRegExp.exec(value);\n    if (m) {\n      var epsilon = parseFloat(\"1e\" + ((m[2] ? +m[2] : 0) + m[1].length));\n      value = (Math.round(num * epsilon) / epsilon).toString();\n    }\n\n    var nibbles = \"\";\n    var i, ii;\n    for (i = 0, ii = value.length; i < ii; ++i) {\n      var a = value[i];\n      if (a === \"e\") {\n        nibbles += value[++i] === \"-\" ? \"c\" : \"b\";\n      } else if (a === \".\") {\n        nibbles += \"a\";\n      } else if (a === \"-\") {\n        nibbles += \"e\";\n      } else {\n        nibbles += a;\n      }\n    }\n    nibbles += nibbles.length & 1 ? \"f\" : \"ff\";\n    var out = [30];\n    for (i = 0, ii = nibbles.length; i < ii; i += 2) {\n      out.push(parseInt(nibbles.substring(i, i + 2), 16));\n    }\n    return out;\n  }\n\n  encodeInteger(value) {\n    var code;\n    if (value >= -107 && value <= 107) {\n      code = [value + 139];\n    } else if (value >= 108 && value <= 1131) {\n      value = value - 108;\n      code = [(value >> 8) + 247, value & 0xff];\n    } else if (value >= -1131 && value <= -108) {\n      value = -value - 108;\n      code = [(value >> 8) + 251, value & 0xff];\n    } else if (value >= -32768 && value <= 32767) {\n      code = [0x1c, (value >> 8) & 0xff, value & 0xff];\n    } else {\n      code = [\n        0x1d,\n        (value >> 24) & 0xff,\n        (value >> 16) & 0xff,\n        (value >> 8) & 0xff,\n        value & 0xff,\n      ];\n    }\n    return code;\n  }\n\n  compileHeader(header) {\n    return [header.major, header.minor, header.hdrSize, header.offSize];\n  }\n\n  compileNameIndex(names) {\n    var nameIndex = new CFFIndex();\n    for (var i = 0, ii = names.length; i < ii; ++i) {\n      var name = names[i];\n      // OTS doesn't allow names to be over 127 characters.\n      var length = Math.min(name.length, 127);\n      var sanitizedName = new Array(length);\n      for (var j = 0; j < length; j++) {\n        // OTS requires chars to be between a range and not certain other\n        // chars.\n        var char = name[j];\n        if (\n          char < \"!\" ||\n          char > \"~\" ||\n          char === \"[\" ||\n          char === \"]\" ||\n          char === \"(\" ||\n          char === \")\" ||\n          char === \"{\" ||\n          char === \"}\" ||\n          char === \"<\" ||\n          char === \">\" ||\n          char === \"/\" ||\n          char === \"%\"\n        ) {\n          char = \"_\";\n        }\n        sanitizedName[j] = char;\n      }\n      sanitizedName = sanitizedName.join(\"\");\n\n      if (sanitizedName === \"\") {\n        sanitizedName = \"Bad_Font_Name\";\n      }\n      nameIndex.add(stringToBytes(sanitizedName));\n    }\n    return this.compileIndex(nameIndex);\n  }\n\n  compileTopDicts(dicts, length, removeCidKeys) {\n    var fontDictTrackers = [];\n    var fdArrayIndex = new CFFIndex();\n    for (var i = 0, ii = dicts.length; i < ii; ++i) {\n      var fontDict = dicts[i];\n      if (removeCidKeys) {\n        fontDict.removeByName(\"CIDFontVersion\");\n        fontDict.removeByName(\"CIDFontRevision\");\n        fontDict.removeByName(\"CIDFontType\");\n        fontDict.removeByName(\"CIDCount\");\n        fontDict.removeByName(\"UIDBase\");\n      }\n      var fontDictTracker = new CFFOffsetTracker();\n      var fontDictData = this.compileDict(fontDict, fontDictTracker);\n      fontDictTrackers.push(fontDictTracker);\n      fdArrayIndex.add(fontDictData);\n      fontDictTracker.offset(length);\n    }\n    fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);\n    return {\n      trackers: fontDictTrackers,\n      output: fdArrayIndex,\n    };\n  }\n\n  compilePrivateDicts(dicts, trackers, output) {\n    for (var i = 0, ii = dicts.length; i < ii; ++i) {\n      var fontDict = dicts[i];\n      var privateDict = fontDict.privateDict;\n      if (!privateDict || !fontDict.hasName(\"Private\")) {\n        throw new FormatError(\"There must be a private dictionary.\");\n      }\n      var privateDictTracker = new CFFOffsetTracker();\n      var privateDictData = this.compileDict(privateDict, privateDictTracker);\n\n      var outputLength = output.length;\n      privateDictTracker.offset(outputLength);\n      if (!privateDictData.length) {\n        // The private dictionary was empty, set the output length to zero to\n        // ensure the offset length isn't out of bounds in the eyes of the\n        // sanitizer.\n        outputLength = 0;\n      }\n\n      trackers[i].setEntryLocation(\n        \"Private\",\n        [privateDictData.length, outputLength],\n        output\n      );\n      output.add(privateDictData);\n\n      if (privateDict.subrsIndex && privateDict.hasName(\"Subrs\")) {\n        var subrs = this.compileIndex(privateDict.subrsIndex);\n        privateDictTracker.setEntryLocation(\n          \"Subrs\",\n          [privateDictData.length],\n          output\n        );\n        output.add(subrs);\n      }\n    }\n  }\n\n  compileDict(dict, offsetTracker) {\n    var out = [];\n    // The dictionary keys must be in a certain order.\n    var order = dict.order;\n    for (var i = 0; i < order.length; ++i) {\n      var key = order[i];\n      if (!(key in dict.values)) {\n        continue;\n      }\n      var values = dict.values[key];\n      var types = dict.types[key];\n      if (!Array.isArray(types)) {\n        types = [types];\n      }\n      if (!Array.isArray(values)) {\n        values = [values];\n      }\n\n      // Remove any empty dict values.\n      if (values.length === 0) {\n        continue;\n      }\n\n      for (var j = 0, jj = types.length; j < jj; ++j) {\n        var type = types[j];\n        var value = values[j];\n        switch (type) {\n          case \"num\":\n          case \"sid\":\n            out = out.concat(this.encodeNumber(value));\n            break;\n          case \"offset\":\n            // For offsets we just insert a 32bit integer so we don't have to\n            // deal with figuring out the length of the offset when it gets\n            // replaced later on by the compiler.\n            var name = dict.keyToNameMap[key];\n            // Some offsets have the offset and the length, so just record the\n            // position of the first one.\n            if (!offsetTracker.isTracking(name)) {\n              offsetTracker.track(name, out.length);\n            }\n            out = out.concat([0x1d, 0, 0, 0, 0]);\n            break;\n          case \"array\":\n          case \"delta\":\n            out = out.concat(this.encodeNumber(value));\n            for (var k = 1, kk = values.length; k < kk; ++k) {\n              out = out.concat(this.encodeNumber(values[k]));\n            }\n            break;\n          default:\n            throw new FormatError(`Unknown data type of ${type}`);\n        }\n      }\n      out = out.concat(dict.opcodes[key]);\n    }\n    return out;\n  }\n\n  compileStringIndex(strings) {\n    var stringIndex = new CFFIndex();\n    for (var i = 0, ii = strings.length; i < ii; ++i) {\n      stringIndex.add(stringToBytes(strings[i]));\n    }\n    return this.compileIndex(stringIndex);\n  }\n\n  compileGlobalSubrIndex() {\n    var globalSubrIndex = this.cff.globalSubrIndex;\n    this.out.writeByteArray(this.compileIndex(globalSubrIndex));\n  }\n\n  compileCharStrings(charStrings) {\n    var charStringsIndex = new CFFIndex();\n    for (var i = 0; i < charStrings.count; i++) {\n      var glyph = charStrings.get(i);\n      // If the CharString outline is empty, replace it with .notdef to\n      // prevent OTS from rejecting the font (fixes bug1252420.pdf).\n      if (glyph.length === 0) {\n        charStringsIndex.add(new Uint8Array([0x8b, 0x0e]));\n        continue;\n      }\n      charStringsIndex.add(glyph);\n    }\n    return this.compileIndex(charStringsIndex);\n  }\n\n  compileCharset(charset, numGlyphs, strings, isCIDFont) {\n    // Freetype requires the number of charset strings be correct and MacOS\n    // requires a valid mapping for printing.\n    let out;\n    const numGlyphsLessNotDef = numGlyphs - 1;\n    if (isCIDFont) {\n      // In a CID font, the charset is a mapping of CIDs not SIDs so just\n      // create an identity mapping.\n      out = new Uint8Array([\n        2, // format\n        0, // first CID upper byte\n        0, // first CID lower byte\n        (numGlyphsLessNotDef >> 8) & 0xff,\n        numGlyphsLessNotDef & 0xff,\n      ]);\n    } else {\n      const length = 1 + numGlyphsLessNotDef * 2;\n      out = new Uint8Array(length);\n      out[0] = 0; // format 0\n      let charsetIndex = 0;\n      const numCharsets = charset.charset.length;\n      let warned = false;\n      for (let i = 1; i < out.length; i += 2) {\n        let sid = 0;\n        if (charsetIndex < numCharsets) {\n          const name = charset.charset[charsetIndex++];\n          sid = strings.getSID(name);\n          if (sid === -1) {\n            sid = 0;\n            if (!warned) {\n              warned = true;\n              warn(`Couldn't find ${name} in CFF strings`);\n            }\n          }\n        }\n        out[i] = (sid >> 8) & 0xff;\n        out[i + 1] = sid & 0xff;\n      }\n    }\n    return this.compileTypedArray(out);\n  }\n\n  compileEncoding(encoding) {\n    return this.compileTypedArray(encoding.raw);\n  }\n\n  compileFDSelect(fdSelect) {\n    const format = fdSelect.format;\n    let out, i;\n    switch (format) {\n      case 0:\n        out = new Uint8Array(1 + fdSelect.fdSelect.length);\n        out[0] = format;\n        for (i = 0; i < fdSelect.fdSelect.length; i++) {\n          out[i + 1] = fdSelect.fdSelect[i];\n        }\n        break;\n      case 3:\n        const start = 0;\n        let lastFD = fdSelect.fdSelect[0];\n        const ranges = [\n          format,\n          0, // nRanges place holder\n          0, // nRanges place holder\n          (start >> 8) & 0xff,\n          start & 0xff,\n          lastFD,\n        ];\n        for (i = 1; i < fdSelect.fdSelect.length; i++) {\n          const currentFD = fdSelect.fdSelect[i];\n          if (currentFD !== lastFD) {\n            ranges.push((i >> 8) & 0xff, i & 0xff, currentFD);\n            lastFD = currentFD;\n          }\n        }\n        // 3 bytes are pushed for every range and there are 3 header bytes.\n        const numRanges = (ranges.length - 3) / 3;\n        ranges[1] = (numRanges >> 8) & 0xff;\n        ranges[2] = numRanges & 0xff;\n        // sentinel\n        ranges.push((i >> 8) & 0xff, i & 0xff);\n        out = new Uint8Array(ranges);\n        break;\n    }\n    return this.compileTypedArray(out);\n  }\n\n  compileTypedArray(data) {\n    var out = [];\n    for (var i = 0, ii = data.length; i < ii; ++i) {\n      out[i] = data[i];\n    }\n    return out;\n  }\n\n  compileIndex(index, trackers = []) {\n    var objects = index.objects;\n    // First 2 bytes contains the number of objects contained into this index\n    var count = objects.length;\n\n    // If there is no object, just create an index. This technically\n    // should just be [0, 0] but OTS has an issue with that.\n    if (count === 0) {\n      return [0, 0, 0];\n    }\n\n    var data = [(count >> 8) & 0xff, count & 0xff];\n\n    var lastOffset = 1,\n      i;\n    for (i = 0; i < count; ++i) {\n      lastOffset += objects[i].length;\n    }\n\n    var offsetSize;\n    if (lastOffset < 0x100) {\n      offsetSize = 1;\n    } else if (lastOffset < 0x10000) {\n      offsetSize = 2;\n    } else if (lastOffset < 0x1000000) {\n      offsetSize = 3;\n    } else {\n      offsetSize = 4;\n    }\n\n    // Next byte contains the offset size use to reference object in the file\n    data.push(offsetSize);\n\n    // Add another offset after this one because we need a new offset\n    var relativeOffset = 1;\n    for (i = 0; i < count + 1; i++) {\n      if (offsetSize === 1) {\n        data.push(relativeOffset & 0xff);\n      } else if (offsetSize === 2) {\n        data.push((relativeOffset >> 8) & 0xff, relativeOffset & 0xff);\n      } else if (offsetSize === 3) {\n        data.push(\n          (relativeOffset >> 16) & 0xff,\n          (relativeOffset >> 8) & 0xff,\n          relativeOffset & 0xff\n        );\n      } else {\n        data.push(\n          (relativeOffset >>> 24) & 0xff,\n          (relativeOffset >> 16) & 0xff,\n          (relativeOffset >> 8) & 0xff,\n          relativeOffset & 0xff\n        );\n      }\n\n      if (objects[i]) {\n        relativeOffset += objects[i].length;\n      }\n    }\n\n    for (i = 0; i < count; i++) {\n      // Notify the tracker where the object will be offset in the data.\n      if (trackers[i]) {\n        trackers[i].offset(data.length);\n      }\n      for (var j = 0, jj = objects[i].length; j < jj; j++) {\n        data.push(objects[i][j]);\n      }\n    }\n    return data;\n  }\n}\n\nexport {\n  CFFStandardStrings,\n  CFFParser,\n  CFF,\n  CFFHeader,\n  CFFStrings,\n  CFFIndex,\n  CFFCharset,\n  CFFTopDict,\n  CFFPrivateDict,\n  CFFCompiler,\n  CFFFDSelect,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// prettier-ignore\nconst ISOAdobeCharset = [\n  \".notdef\", \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\",\n  \"percent\", \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\",\n  \"asterisk\", \"plus\", \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\",\n  \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\",\n  \"nine\", \"colon\", \"semicolon\", \"less\", \"equal\", \"greater\", \"question\",\n  \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\",\n  \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\", \"X\", \"Y\", \"Z\",\n  \"bracketleft\", \"backslash\", \"bracketright\", \"asciicircum\", \"underscore\",\n  \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\", \"k\", \"l\",\n  \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\", \"z\",\n  \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"exclamdown\", \"cent\",\n  \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"paragraph\", \"bullet\", \"quotesinglbase\",\n  \"quotedblbase\", \"quotedblright\", \"guillemotright\", \"ellipsis\",\n  \"perthousand\", \"questiondown\", \"grave\", \"acute\", \"circumflex\", \"tilde\",\n  \"macron\", \"breve\", \"dotaccent\", \"dieresis\", \"ring\", \"cedilla\",\n  \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\", \"AE\", \"ordfeminine\",\n  \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"ae\", \"dotlessi\", \"lslash\",\n  \"oslash\", \"oe\", \"germandbls\", \"onesuperior\", \"logicalnot\", \"mu\",\n  \"trademark\", \"Eth\", \"onehalf\", \"plusminus\", \"Thorn\", \"onequarter\",\n  \"divide\", \"brokenbar\", \"degree\", \"thorn\", \"threequarters\", \"twosuperior\",\n  \"registered\", \"minus\", \"eth\", \"multiply\", \"threesuperior\", \"copyright\",\n  \"Aacute\", \"Acircumflex\", \"Adieresis\", \"Agrave\", \"Aring\", \"Atilde\",\n  \"Ccedilla\", \"Eacute\", \"Ecircumflex\", \"Edieresis\", \"Egrave\", \"Iacute\",\n  \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Ntilde\", \"Oacute\", \"Ocircumflex\",\n  \"Odieresis\", \"Ograve\", \"Otilde\", \"Scaron\", \"Uacute\", \"Ucircumflex\",\n  \"Udieresis\", \"Ugrave\", \"Yacute\", \"Ydieresis\", \"Zcaron\", \"aacute\",\n  \"acircumflex\", \"adieresis\", \"agrave\", \"aring\", \"atilde\", \"ccedilla\",\n  \"eacute\", \"ecircumflex\", \"edieresis\", \"egrave\", \"iacute\", \"icircumflex\",\n  \"idieresis\", \"igrave\", \"ntilde\", \"oacute\", \"ocircumflex\", \"odieresis\",\n  \"ograve\", \"otilde\", \"scaron\", \"uacute\", \"ucircumflex\", \"udieresis\",\n  \"ugrave\", \"yacute\", \"ydieresis\", \"zcaron\"\n];\n\n// prettier-ignore\nconst ExpertCharset = [\n  \".notdef\", \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"dollaroldstyle\",\n  \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\", \"parenleftsuperior\",\n  \"parenrightsuperior\", \"twodotenleader\", \"onedotenleader\", \"comma\",\n  \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\", \"oneoldstyle\",\n  \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\",\n  \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\",\n  \"colon\", \"semicolon\", \"commasuperior\", \"threequartersemdash\",\n  \"periodsuperior\", \"questionsmall\", \"asuperior\", \"bsuperior\",\n  \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\", \"lsuperior\",\n  \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\",\n  \"parenrightinferior\", \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\",\n  \"Asmall\", \"Bsmall\", \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\",\n  \"Hsmall\", \"Ismall\", \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\",\n  \"Osmall\", \"Psmall\", \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\",\n  \"Vsmall\", \"Wsmall\", \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\",\n  \"onefitted\", \"rupiah\", \"Tildesmall\", \"exclamdownsmall\", \"centoldstyle\",\n  \"Lslashsmall\", \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\",\n  \"Brevesmall\", \"Caronsmall\", \"Dotaccentsmall\", \"Macronsmall\",\n  \"figuredash\", \"hypheninferior\", \"Ogoneksmall\", \"Ringsmall\",\n  \"Cedillasmall\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondownsmall\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"zerosuperior\", \"onesuperior\",\n  \"twosuperior\", \"threesuperior\", \"foursuperior\", \"fivesuperior\",\n  \"sixsuperior\", \"sevensuperior\", \"eightsuperior\", \"ninesuperior\",\n  \"zeroinferior\", \"oneinferior\", \"twoinferior\", \"threeinferior\",\n  \"fourinferior\", \"fiveinferior\", \"sixinferior\", \"seveninferior\",\n  \"eightinferior\", \"nineinferior\", \"centinferior\", \"dollarinferior\",\n  \"periodinferior\", \"commainferior\", \"Agravesmall\", \"Aacutesmall\",\n  \"Acircumflexsmall\", \"Atildesmall\", \"Adieresissmall\", \"Aringsmall\",\n  \"AEsmall\", \"Ccedillasmall\", \"Egravesmall\", \"Eacutesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Igravesmall\", \"Iacutesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ethsmall\", \"Ntildesmall\",\n  \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\", \"Otildesmall\",\n  \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\", \"Uacutesmall\",\n  \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\", \"Thornsmall\",\n  \"Ydieresissmall\"\n];\n\n// prettier-ignore\nconst ExpertSubsetCharset = [\n  \".notdef\", \"space\", \"dollaroldstyle\", \"dollarsuperior\",\n  \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"comma\", \"hyphen\", \"period\", \"fraction\",\n  \"zerooldstyle\", \"oneoldstyle\", \"twooldstyle\", \"threeoldstyle\",\n  \"fouroldstyle\", \"fiveoldstyle\", \"sixoldstyle\", \"sevenoldstyle\",\n  \"eightoldstyle\", \"nineoldstyle\", \"colon\", \"semicolon\", \"commasuperior\",\n  \"threequartersemdash\", \"periodsuperior\", \"asuperior\", \"bsuperior\",\n  \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\", \"lsuperior\",\n  \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\",\n  \"parenrightinferior\", \"hyphensuperior\", \"colonmonetary\", \"onefitted\",\n  \"rupiah\", \"centoldstyle\", \"figuredash\", \"hypheninferior\", \"onequarter\",\n  \"onehalf\", \"threequarters\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"zerosuperior\", \"onesuperior\",\n  \"twosuperior\", \"threesuperior\", \"foursuperior\", \"fivesuperior\",\n  \"sixsuperior\", \"sevensuperior\", \"eightsuperior\", \"ninesuperior\",\n  \"zeroinferior\", \"oneinferior\", \"twoinferior\", \"threeinferior\",\n  \"fourinferior\", \"fiveinferior\", \"sixinferior\", \"seveninferior\",\n  \"eightinferior\", \"nineinferior\", \"centinferior\", \"dollarinferior\",\n  \"periodinferior\", \"commainferior\"\n];\n\nexport { ISOAdobeCharset, ExpertCharset, ExpertSubsetCharset };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// prettier-ignore\nconst ExpertEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"\", \"dollaroldstyle\",\n  \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\", \"parenleftsuperior\",\n  \"parenrightsuperior\", \"twodotenleader\", \"onedotenleader\", \"comma\",\n  \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\", \"oneoldstyle\",\n  \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\",\n  \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\", \"colon\",\n  \"semicolon\", \"commasuperior\", \"threequartersemdash\", \"periodsuperior\",\n  \"questionsmall\", \"\", \"asuperior\", \"bsuperior\", \"centsuperior\", \"dsuperior\",\n  \"esuperior\", \"\", \"\", \"\", \"isuperior\", \"\", \"\", \"lsuperior\", \"msuperior\",\n  \"nsuperior\", \"osuperior\", \"\", \"\", \"rsuperior\", \"ssuperior\", \"tsuperior\",\n  \"\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\", \"\",\n  \"parenrightinferior\", \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\",\n  \"Asmall\", \"Bsmall\", \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\",\n  \"Hsmall\", \"Ismall\", \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\",\n  \"Osmall\", \"Psmall\", \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\",\n  \"Vsmall\", \"Wsmall\", \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\",\n  \"onefitted\", \"rupiah\", \"Tildesmall\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"exclamdownsmall\", \"centoldstyle\", \"Lslashsmall\",\n  \"\", \"\", \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\", \"Brevesmall\",\n  \"Caronsmall\", \"\", \"Dotaccentsmall\", \"\", \"\", \"Macronsmall\", \"\", \"\",\n  \"figuredash\", \"hypheninferior\", \"\", \"\", \"Ogoneksmall\", \"Ringsmall\",\n  \"Cedillasmall\", \"\", \"\", \"\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondownsmall\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"\", \"\", \"zerosuperior\",\n  \"onesuperior\", \"twosuperior\", \"threesuperior\", \"foursuperior\",\n  \"fivesuperior\", \"sixsuperior\", \"sevensuperior\", \"eightsuperior\",\n  \"ninesuperior\", \"zeroinferior\", \"oneinferior\", \"twoinferior\",\n  \"threeinferior\", \"fourinferior\", \"fiveinferior\", \"sixinferior\",\n  \"seveninferior\", \"eightinferior\", \"nineinferior\", \"centinferior\",\n  \"dollarinferior\", \"periodinferior\", \"commainferior\", \"Agravesmall\",\n  \"Aacutesmall\", \"Acircumflexsmall\", \"Atildesmall\", \"Adieresissmall\",\n  \"Aringsmall\", \"AEsmall\", \"Ccedillasmall\", \"Egravesmall\", \"Eacutesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Igravesmall\", \"Iacutesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ethsmall\", \"Ntildesmall\",\n  \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\", \"Otildesmall\",\n  \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\", \"Uacutesmall\",\n  \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\", \"Thornsmall\",\n  \"Ydieresissmall\"];\n\n// prettier-ignore\nconst MacExpertEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"centoldstyle\",\n  \"dollaroldstyle\", \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\",\n  \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"comma\", \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\",\n  \"oneoldstyle\", \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\",\n  \"fiveoldstyle\", \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\",\n  \"nineoldstyle\", \"colon\", \"semicolon\", \"\", \"threequartersemdash\", \"\",\n  \"questionsmall\", \"\", \"\", \"\", \"\", \"Ethsmall\", \"\", \"\", \"onequarter\",\n  \"onehalf\", \"threequarters\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"\", \"\", \"\", \"\", \"\", \"\", \"ff\",\n  \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\", \"\", \"parenrightinferior\",\n  \"Circumflexsmall\", \"hypheninferior\", \"Gravesmall\", \"Asmall\", \"Bsmall\",\n  \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\", \"Hsmall\", \"Ismall\",\n  \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\", \"Osmall\", \"Psmall\",\n  \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\", \"Vsmall\", \"Wsmall\",\n  \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\", \"onefitted\", \"rupiah\",\n  \"Tildesmall\", \"\", \"\", \"asuperior\", \"centsuperior\", \"\", \"\", \"\", \"\",\n  \"Aacutesmall\", \"Agravesmall\", \"Acircumflexsmall\", \"Adieresissmall\",\n  \"Atildesmall\", \"Aringsmall\", \"Ccedillasmall\", \"Eacutesmall\", \"Egravesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Iacutesmall\", \"Igravesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ntildesmall\", \"Oacutesmall\",\n  \"Ogravesmall\", \"Ocircumflexsmall\", \"Odieresissmall\", \"Otildesmall\",\n  \"Uacutesmall\", \"Ugravesmall\", \"Ucircumflexsmall\", \"Udieresissmall\", \"\",\n  \"eightsuperior\", \"fourinferior\", \"threeinferior\", \"sixinferior\",\n  \"eightinferior\", \"seveninferior\", \"Scaronsmall\", \"\", \"centinferior\",\n  \"twoinferior\", \"\", \"Dieresissmall\", \"\", \"Caronsmall\", \"osuperior\",\n  \"fiveinferior\", \"\", \"commainferior\", \"periodinferior\", \"Yacutesmall\", \"\",\n  \"dollarinferior\", \"\", \"\", \"Thornsmall\", \"\", \"nineinferior\", \"zeroinferior\",\n  \"Zcaronsmall\", \"AEsmall\", \"Oslashsmall\", \"questiondownsmall\",\n  \"oneinferior\", \"Lslashsmall\", \"\", \"\", \"\", \"\", \"\", \"\", \"Cedillasmall\", \"\",\n  \"\", \"\", \"\", \"\", \"OEsmall\", \"figuredash\", \"hyphensuperior\", \"\", \"\", \"\", \"\",\n  \"exclamdownsmall\", \"\", \"Ydieresissmall\", \"\", \"onesuperior\", \"twosuperior\",\n  \"threesuperior\", \"foursuperior\", \"fivesuperior\", \"sixsuperior\",\n  \"sevensuperior\", \"ninesuperior\", \"zerosuperior\", \"\", \"esuperior\",\n  \"rsuperior\", \"tsuperior\", \"\", \"\", \"isuperior\", \"ssuperior\", \"dsuperior\",\n  \"\", \"\", \"\", \"\", \"\", \"lsuperior\", \"Ogoneksmall\", \"Brevesmall\",\n  \"Macronsmall\", \"bsuperior\", \"nsuperior\", \"msuperior\", \"commasuperior\",\n  \"periodsuperior\", \"Dotaccentsmall\", \"Ringsmall\", \"\", \"\", \"\", \"\"];\n\n// prettier-ignore\nconst MacRomanEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quotesingle\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\",\n  \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\",\n  \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"\",\n  \"Adieresis\", \"Aring\", \"Ccedilla\", \"Eacute\", \"Ntilde\", \"Odieresis\",\n  \"Udieresis\", \"aacute\", \"agrave\", \"acircumflex\", \"adieresis\", \"atilde\",\n  \"aring\", \"ccedilla\", \"eacute\", \"egrave\", \"ecircumflex\", \"edieresis\",\n  \"iacute\", \"igrave\", \"icircumflex\", \"idieresis\", \"ntilde\", \"oacute\",\n  \"ograve\", \"ocircumflex\", \"odieresis\", \"otilde\", \"uacute\", \"ugrave\",\n  \"ucircumflex\", \"udieresis\", \"dagger\", \"degree\", \"cent\", \"sterling\",\n  \"section\", \"bullet\", \"paragraph\", \"germandbls\", \"registered\", \"copyright\",\n  \"trademark\", \"acute\", \"dieresis\", \"notequal\", \"AE\", \"Oslash\", \"infinity\",\n  \"plusminus\", \"lessequal\", \"greaterequal\", \"yen\", \"mu\", \"partialdiff\",\n  \"summation\", \"product\", \"pi\", \"integral\", \"ordfeminine\", \"ordmasculine\",\n  \"Omega\", \"ae\", \"oslash\", \"questiondown\", \"exclamdown\", \"logicalnot\",\n  \"radical\", \"florin\", \"approxequal\", \"Delta\", \"guillemotleft\",\n  \"guillemotright\", \"ellipsis\", \"space\", \"Agrave\", \"Atilde\", \"Otilde\", \"OE\",\n  \"oe\", \"endash\", \"emdash\", \"quotedblleft\", \"quotedblright\", \"quoteleft\",\n  \"quoteright\", \"divide\", \"lozenge\", \"ydieresis\", \"Ydieresis\", \"fraction\",\n  \"currency\", \"guilsinglleft\", \"guilsinglright\", \"fi\", \"fl\", \"daggerdbl\",\n  \"periodcentered\", \"quotesinglbase\", \"quotedblbase\", \"perthousand\",\n  \"Acircumflex\", \"Ecircumflex\", \"Aacute\", \"Edieresis\", \"Egrave\", \"Iacute\",\n  \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Oacute\", \"Ocircumflex\", \"apple\",\n  \"Ograve\", \"Uacute\", \"Ucircumflex\", \"Ugrave\", \"dotlessi\", \"circumflex\",\n  \"tilde\", \"macron\", \"breve\", \"dotaccent\", \"ring\", \"cedilla\", \"hungarumlaut\",\n  \"ogonek\", \"caron\"];\n\n// prettier-ignore\nconst StandardEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\",\n  \"g\", \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\",\n  \"v\", \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"exclamdown\",\n  \"cent\", \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"\", \"paragraph\", \"bullet\", \"quotesinglbase\",\n  \"quotedblbase\", \"quotedblright\", \"guillemotright\", \"ellipsis\",\n  \"perthousand\", \"\", \"questiondown\", \"\", \"grave\", \"acute\", \"circumflex\",\n  \"tilde\", \"macron\", \"breve\", \"dotaccent\", \"dieresis\", \"\", \"ring\", \"cedilla\",\n  \"\", \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"AE\", \"\", \"ordfeminine\", \"\", \"\",\n  \"\", \"\", \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"\", \"\", \"\", \"\", \"\", \"ae\",\n  \"\", \"\", \"\", \"dotlessi\", \"\", \"\", \"lslash\", \"oslash\", \"oe\", \"germandbls\", \"\",\n  \"\", \"\", \"\"];\n\n// prettier-ignore\nconst WinAnsiEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quotesingle\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\",\n  \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\",\n  \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\",\n  \"bullet\", \"Euro\", \"bullet\", \"quotesinglbase\", \"florin\", \"quotedblbase\",\n  \"ellipsis\", \"dagger\", \"daggerdbl\", \"circumflex\", \"perthousand\", \"Scaron\",\n  \"guilsinglleft\", \"OE\", \"bullet\", \"Zcaron\", \"bullet\", \"bullet\", \"quoteleft\",\n  \"quoteright\", \"quotedblleft\", \"quotedblright\", \"bullet\", \"endash\",\n  \"emdash\", \"tilde\", \"trademark\", \"scaron\", \"guilsinglright\", \"oe\", \"bullet\",\n  \"zcaron\", \"Ydieresis\", \"space\", \"exclamdown\", \"cent\", \"sterling\",\n  \"currency\", \"yen\", \"brokenbar\", \"section\", \"dieresis\", \"copyright\",\n  \"ordfeminine\", \"guillemotleft\", \"logicalnot\", \"hyphen\", \"registered\",\n  \"macron\", \"degree\", \"plusminus\", \"twosuperior\", \"threesuperior\", \"acute\",\n  \"mu\", \"paragraph\", \"periodcentered\", \"cedilla\", \"onesuperior\",\n  \"ordmasculine\", \"guillemotright\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondown\", \"Agrave\", \"Aacute\", \"Acircumflex\", \"Atilde\", \"Adieresis\",\n  \"Aring\", \"AE\", \"Ccedilla\", \"Egrave\", \"Eacute\", \"Ecircumflex\", \"Edieresis\",\n  \"Igrave\", \"Iacute\", \"Icircumflex\", \"Idieresis\", \"Eth\", \"Ntilde\", \"Ograve\",\n  \"Oacute\", \"Ocircumflex\", \"Otilde\", \"Odieresis\", \"multiply\", \"Oslash\",\n  \"Ugrave\", \"Uacute\", \"Ucircumflex\", \"Udieresis\", \"Yacute\", \"Thorn\",\n  \"germandbls\", \"agrave\", \"aacute\", \"acircumflex\", \"atilde\", \"adieresis\",\n  \"aring\", \"ae\", \"ccedilla\", \"egrave\", \"eacute\", \"ecircumflex\", \"edieresis\",\n  \"igrave\", \"iacute\", \"icircumflex\", \"idieresis\", \"eth\", \"ntilde\", \"ograve\",\n  \"oacute\", \"ocircumflex\", \"otilde\", \"odieresis\", \"divide\", \"oslash\",\n  \"ugrave\", \"uacute\", \"ucircumflex\", \"udieresis\", \"yacute\", \"thorn\",\n  \"ydieresis\"];\n\n// prettier-ignore\nconst SymbolSetEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"universal\", \"numbersign\", \"existential\", \"percent\",\n  \"ampersand\", \"suchthat\", \"parenleft\", \"parenright\", \"asteriskmath\", \"plus\",\n  \"comma\", \"minus\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\", \"four\",\n  \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\", \"less\",\n  \"equal\", \"greater\", \"question\", \"congruent\", \"Alpha\", \"Beta\", \"Chi\",\n  \"Delta\", \"Epsilon\", \"Phi\", \"Gamma\", \"Eta\", \"Iota\", \"theta1\", \"Kappa\",\n  \"Lambda\", \"Mu\", \"Nu\", \"Omicron\", \"Pi\", \"Theta\", \"Rho\", \"Sigma\", \"Tau\",\n  \"Upsilon\", \"sigma1\", \"Omega\", \"Xi\", \"Psi\", \"Zeta\", \"bracketleft\",\n  \"therefore\", \"bracketright\", \"perpendicular\", \"underscore\", \"radicalex\",\n  \"alpha\", \"beta\", \"chi\", \"delta\", \"epsilon\", \"phi\", \"gamma\", \"eta\", \"iota\",\n  \"phi1\", \"kappa\", \"lambda\", \"mu\", \"nu\", \"omicron\", \"pi\", \"theta\", \"rho\",\n  \"sigma\", \"tau\", \"upsilon\", \"omega1\", \"omega\", \"xi\", \"psi\", \"zeta\",\n  \"braceleft\", \"bar\", \"braceright\", \"similar\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"Euro\", \"Upsilon1\", \"minute\", \"lessequal\",\n  \"fraction\", \"infinity\", \"florin\", \"club\", \"diamond\", \"heart\", \"spade\",\n  \"arrowboth\", \"arrowleft\", \"arrowup\", \"arrowright\", \"arrowdown\", \"degree\",\n  \"plusminus\", \"second\", \"greaterequal\", \"multiply\", \"proportional\",\n  \"partialdiff\", \"bullet\", \"divide\", \"notequal\", \"equivalence\",\n  \"approxequal\", \"ellipsis\", \"arrowvertex\", \"arrowhorizex\", \"carriagereturn\",\n  \"aleph\", \"Ifraktur\", \"Rfraktur\", \"weierstrass\", \"circlemultiply\",\n  \"circleplus\", \"emptyset\", \"intersection\", \"union\", \"propersuperset\",\n  \"reflexsuperset\", \"notsubset\", \"propersubset\", \"reflexsubset\", \"element\",\n  \"notelement\", \"angle\", \"gradient\", \"registerserif\", \"copyrightserif\",\n  \"trademarkserif\", \"product\", \"radical\", \"dotmath\", \"logicalnot\",\n  \"logicaland\", \"logicalor\", \"arrowdblboth\", \"arrowdblleft\", \"arrowdblup\",\n  \"arrowdblright\", \"arrowdbldown\", \"lozenge\", \"angleleft\", \"registersans\",\n  \"copyrightsans\", \"trademarksans\", \"summation\", \"parenlefttp\",\n  \"parenleftex\", \"parenleftbt\", \"bracketlefttp\", \"bracketleftex\",\n  \"bracketleftbt\", \"bracelefttp\", \"braceleftmid\", \"braceleftbt\", \"braceex\",\n  \"\", \"angleright\", \"integral\", \"integraltp\", \"integralex\", \"integralbt\",\n  \"parenrighttp\", \"parenrightex\", \"parenrightbt\", \"bracketrighttp\",\n  \"bracketrightex\", \"bracketrightbt\", \"bracerighttp\", \"bracerightmid\",\n  \"bracerightbt\", \"\"];\n\n// prettier-ignore\nconst ZapfDingbatsEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"a1\", \"a2\", \"a202\", \"a3\", \"a4\", \"a5\", \"a119\", \"a118\", \"a117\",\n  \"a11\", \"a12\", \"a13\", \"a14\", \"a15\", \"a16\", \"a105\", \"a17\", \"a18\", \"a19\",\n  \"a20\", \"a21\", \"a22\", \"a23\", \"a24\", \"a25\", \"a26\", \"a27\", \"a28\", \"a6\", \"a7\",\n  \"a8\", \"a9\", \"a10\", \"a29\", \"a30\", \"a31\", \"a32\", \"a33\", \"a34\", \"a35\", \"a36\",\n  \"a37\", \"a38\", \"a39\", \"a40\", \"a41\", \"a42\", \"a43\", \"a44\", \"a45\", \"a46\",\n  \"a47\", \"a48\", \"a49\", \"a50\", \"a51\", \"a52\", \"a53\", \"a54\", \"a55\", \"a56\",\n  \"a57\", \"a58\", \"a59\", \"a60\", \"a61\", \"a62\", \"a63\", \"a64\", \"a65\", \"a66\",\n  \"a67\", \"a68\", \"a69\", \"a70\", \"a71\", \"a72\", \"a73\", \"a74\", \"a203\", \"a75\",\n  \"a204\", \"a76\", \"a77\", \"a78\", \"a79\", \"a81\", \"a82\", \"a83\", \"a84\", \"a97\",\n  \"a98\", \"a99\", \"a100\", \"\", \"a89\", \"a90\", \"a93\", \"a94\", \"a91\", \"a92\", \"a205\",\n  \"a85\", \"a206\", \"a86\", \"a87\", \"a88\", \"a95\", \"a96\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"a101\", \"a102\", \"a103\",\n  \"a104\", \"a106\", \"a107\", \"a108\", \"a112\", \"a111\", \"a110\", \"a109\", \"a120\",\n  \"a121\", \"a122\", \"a123\", \"a124\", \"a125\", \"a126\", \"a127\", \"a128\", \"a129\",\n  \"a130\", \"a131\", \"a132\", \"a133\", \"a134\", \"a135\", \"a136\", \"a137\", \"a138\",\n  \"a139\", \"a140\", \"a141\", \"a142\", \"a143\", \"a144\", \"a145\", \"a146\", \"a147\",\n  \"a148\", \"a149\", \"a150\", \"a151\", \"a152\", \"a153\", \"a154\", \"a155\", \"a156\",\n  \"a157\", \"a158\", \"a159\", \"a160\", \"a161\", \"a163\", \"a164\", \"a196\", \"a165\",\n  \"a192\", \"a166\", \"a167\", \"a168\", \"a169\", \"a170\", \"a171\", \"a172\", \"a173\",\n  \"a162\", \"a174\", \"a175\", \"a176\", \"a177\", \"a178\", \"a179\", \"a193\", \"a180\",\n  \"a199\", \"a181\", \"a200\", \"a182\", \"\", \"a201\", \"a183\", \"a184\", \"a197\", \"a185\",\n  \"a194\", \"a198\", \"a186\", \"a195\", \"a187\", \"a188\", \"a189\", \"a190\", \"a191\", \"\"];\n\nfunction getEncoding(encodingName) {\n  switch (encodingName) {\n    case \"WinAnsiEncoding\":\n      return WinAnsiEncoding;\n    case \"StandardEncoding\":\n      return StandardEncoding;\n    case \"MacRomanEncoding\":\n      return MacRomanEncoding;\n    case \"SymbolSetEncoding\":\n      return SymbolSetEncoding;\n    case \"ZapfDingbatsEncoding\":\n      return ZapfDingbatsEncoding;\n    case \"ExpertEncoding\":\n      return ExpertEncoding;\n    case \"MacExpertEncoding\":\n      return MacExpertEncoding;\n    default:\n      return null;\n  }\n}\n\nexport {\n  WinAnsiEncoding,\n  StandardEncoding,\n  MacRomanEncoding,\n  SymbolSetEncoding,\n  ZapfDingbatsEncoding,\n  ExpertEncoding,\n  getEncoding,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* no-babel-preset */\n\nvar getLookupTableFactory = require(\"./core_utils.js\").getLookupTableFactory;\n\nvar getGlyphsUnicode = getLookupTableFactory(function (t) {\n  t.A = 0x0041;\n  t.AE = 0x00c6;\n  t.AEacute = 0x01fc;\n  t.AEmacron = 0x01e2;\n  t.AEsmall = 0xf7e6;\n  t.Aacute = 0x00c1;\n  t.Aacutesmall = 0xf7e1;\n  t.Abreve = 0x0102;\n  t.Abreveacute = 0x1eae;\n  t.Abrevecyrillic = 0x04d0;\n  t.Abrevedotbelow = 0x1eb6;\n  t.Abrevegrave = 0x1eb0;\n  t.Abrevehookabove = 0x1eb2;\n  t.Abrevetilde = 0x1eb4;\n  t.Acaron = 0x01cd;\n  t.Acircle = 0x24b6;\n  t.Acircumflex = 0x00c2;\n  t.Acircumflexacute = 0x1ea4;\n  t.Acircumflexdotbelow = 0x1eac;\n  t.Acircumflexgrave = 0x1ea6;\n  t.Acircumflexhookabove = 0x1ea8;\n  t.Acircumflexsmall = 0xf7e2;\n  t.Acircumflextilde = 0x1eaa;\n  t.Acute = 0xf6c9;\n  t.Acutesmall = 0xf7b4;\n  t.Acyrillic = 0x0410;\n  t.Adblgrave = 0x0200;\n  t.Adieresis = 0x00c4;\n  t.Adieresiscyrillic = 0x04d2;\n  t.Adieresismacron = 0x01de;\n  t.Adieresissmall = 0xf7e4;\n  t.Adotbelow = 0x1ea0;\n  t.Adotmacron = 0x01e0;\n  t.Agrave = 0x00c0;\n  t.Agravesmall = 0xf7e0;\n  t.Ahookabove = 0x1ea2;\n  t.Aiecyrillic = 0x04d4;\n  t.Ainvertedbreve = 0x0202;\n  t.Alpha = 0x0391;\n  t.Alphatonos = 0x0386;\n  t.Amacron = 0x0100;\n  t.Amonospace = 0xff21;\n  t.Aogonek = 0x0104;\n  t.Aring = 0x00c5;\n  t.Aringacute = 0x01fa;\n  t.Aringbelow = 0x1e00;\n  t.Aringsmall = 0xf7e5;\n  t.Asmall = 0xf761;\n  t.Atilde = 0x00c3;\n  t.Atildesmall = 0xf7e3;\n  t.Aybarmenian = 0x0531;\n  t.B = 0x0042;\n  t.Bcircle = 0x24b7;\n  t.Bdotaccent = 0x1e02;\n  t.Bdotbelow = 0x1e04;\n  t.Becyrillic = 0x0411;\n  t.Benarmenian = 0x0532;\n  t.Beta = 0x0392;\n  t.Bhook = 0x0181;\n  t.Blinebelow = 0x1e06;\n  t.Bmonospace = 0xff22;\n  t.Brevesmall = 0xf6f4;\n  t.Bsmall = 0xf762;\n  t.Btopbar = 0x0182;\n  t.C = 0x0043;\n  t.Caarmenian = 0x053e;\n  t.Cacute = 0x0106;\n  t.Caron = 0xf6ca;\n  t.Caronsmall = 0xf6f5;\n  t.Ccaron = 0x010c;\n  t.Ccedilla = 0x00c7;\n  t.Ccedillaacute = 0x1e08;\n  t.Ccedillasmall = 0xf7e7;\n  t.Ccircle = 0x24b8;\n  t.Ccircumflex = 0x0108;\n  t.Cdot = 0x010a;\n  t.Cdotaccent = 0x010a;\n  t.Cedillasmall = 0xf7b8;\n  t.Chaarmenian = 0x0549;\n  t.Cheabkhasiancyrillic = 0x04bc;\n  t.Checyrillic = 0x0427;\n  t.Chedescenderabkhasiancyrillic = 0x04be;\n  t.Chedescendercyrillic = 0x04b6;\n  t.Chedieresiscyrillic = 0x04f4;\n  t.Cheharmenian = 0x0543;\n  t.Chekhakassiancyrillic = 0x04cb;\n  t.Cheverticalstrokecyrillic = 0x04b8;\n  t.Chi = 0x03a7;\n  t.Chook = 0x0187;\n  t.Circumflexsmall = 0xf6f6;\n  t.Cmonospace = 0xff23;\n  t.Coarmenian = 0x0551;\n  t.Csmall = 0xf763;\n  t.D = 0x0044;\n  t.DZ = 0x01f1;\n  t.DZcaron = 0x01c4;\n  t.Daarmenian = 0x0534;\n  t.Dafrican = 0x0189;\n  t.Dcaron = 0x010e;\n  t.Dcedilla = 0x1e10;\n  t.Dcircle = 0x24b9;\n  t.Dcircumflexbelow = 0x1e12;\n  t.Dcroat = 0x0110;\n  t.Ddotaccent = 0x1e0a;\n  t.Ddotbelow = 0x1e0c;\n  t.Decyrillic = 0x0414;\n  t.Deicoptic = 0x03ee;\n  t.Delta = 0x2206;\n  t.Deltagreek = 0x0394;\n  t.Dhook = 0x018a;\n  t.Dieresis = 0xf6cb;\n  t.DieresisAcute = 0xf6cc;\n  t.DieresisGrave = 0xf6cd;\n  t.Dieresissmall = 0xf7a8;\n  t.Digammagreek = 0x03dc;\n  t.Djecyrillic = 0x0402;\n  t.Dlinebelow = 0x1e0e;\n  t.Dmonospace = 0xff24;\n  t.Dotaccentsmall = 0xf6f7;\n  t.Dslash = 0x0110;\n  t.Dsmall = 0xf764;\n  t.Dtopbar = 0x018b;\n  t.Dz = 0x01f2;\n  t.Dzcaron = 0x01c5;\n  t.Dzeabkhasiancyrillic = 0x04e0;\n  t.Dzecyrillic = 0x0405;\n  t.Dzhecyrillic = 0x040f;\n  t.E = 0x0045;\n  t.Eacute = 0x00c9;\n  t.Eacutesmall = 0xf7e9;\n  t.Ebreve = 0x0114;\n  t.Ecaron = 0x011a;\n  t.Ecedillabreve = 0x1e1c;\n  t.Echarmenian = 0x0535;\n  t.Ecircle = 0x24ba;\n  t.Ecircumflex = 0x00ca;\n  t.Ecircumflexacute = 0x1ebe;\n  t.Ecircumflexbelow = 0x1e18;\n  t.Ecircumflexdotbelow = 0x1ec6;\n  t.Ecircumflexgrave = 0x1ec0;\n  t.Ecircumflexhookabove = 0x1ec2;\n  t.Ecircumflexsmall = 0xf7ea;\n  t.Ecircumflextilde = 0x1ec4;\n  t.Ecyrillic = 0x0404;\n  t.Edblgrave = 0x0204;\n  t.Edieresis = 0x00cb;\n  t.Edieresissmall = 0xf7eb;\n  t.Edot = 0x0116;\n  t.Edotaccent = 0x0116;\n  t.Edotbelow = 0x1eb8;\n  t.Efcyrillic = 0x0424;\n  t.Egrave = 0x00c8;\n  t.Egravesmall = 0xf7e8;\n  t.Eharmenian = 0x0537;\n  t.Ehookabove = 0x1eba;\n  t.Eightroman = 0x2167;\n  t.Einvertedbreve = 0x0206;\n  t.Eiotifiedcyrillic = 0x0464;\n  t.Elcyrillic = 0x041b;\n  t.Elevenroman = 0x216a;\n  t.Emacron = 0x0112;\n  t.Emacronacute = 0x1e16;\n  t.Emacrongrave = 0x1e14;\n  t.Emcyrillic = 0x041c;\n  t.Emonospace = 0xff25;\n  t.Encyrillic = 0x041d;\n  t.Endescendercyrillic = 0x04a2;\n  t.Eng = 0x014a;\n  t.Enghecyrillic = 0x04a4;\n  t.Enhookcyrillic = 0x04c7;\n  t.Eogonek = 0x0118;\n  t.Eopen = 0x0190;\n  t.Epsilon = 0x0395;\n  t.Epsilontonos = 0x0388;\n  t.Ercyrillic = 0x0420;\n  t.Ereversed = 0x018e;\n  t.Ereversedcyrillic = 0x042d;\n  t.Escyrillic = 0x0421;\n  t.Esdescendercyrillic = 0x04aa;\n  t.Esh = 0x01a9;\n  t.Esmall = 0xf765;\n  t.Eta = 0x0397;\n  t.Etarmenian = 0x0538;\n  t.Etatonos = 0x0389;\n  t.Eth = 0x00d0;\n  t.Ethsmall = 0xf7f0;\n  t.Etilde = 0x1ebc;\n  t.Etildebelow = 0x1e1a;\n  t.Euro = 0x20ac;\n  t.Ezh = 0x01b7;\n  t.Ezhcaron = 0x01ee;\n  t.Ezhreversed = 0x01b8;\n  t.F = 0x0046;\n  t.Fcircle = 0x24bb;\n  t.Fdotaccent = 0x1e1e;\n  t.Feharmenian = 0x0556;\n  t.Feicoptic = 0x03e4;\n  t.Fhook = 0x0191;\n  t.Fitacyrillic = 0x0472;\n  t.Fiveroman = 0x2164;\n  t.Fmonospace = 0xff26;\n  t.Fourroman = 0x2163;\n  t.Fsmall = 0xf766;\n  t.G = 0x0047;\n  t.GBsquare = 0x3387;\n  t.Gacute = 0x01f4;\n  t.Gamma = 0x0393;\n  t.Gammaafrican = 0x0194;\n  t.Gangiacoptic = 0x03ea;\n  t.Gbreve = 0x011e;\n  t.Gcaron = 0x01e6;\n  t.Gcedilla = 0x0122;\n  t.Gcircle = 0x24bc;\n  t.Gcircumflex = 0x011c;\n  t.Gcommaaccent = 0x0122;\n  t.Gdot = 0x0120;\n  t.Gdotaccent = 0x0120;\n  t.Gecyrillic = 0x0413;\n  t.Ghadarmenian = 0x0542;\n  t.Ghemiddlehookcyrillic = 0x0494;\n  t.Ghestrokecyrillic = 0x0492;\n  t.Gheupturncyrillic = 0x0490;\n  t.Ghook = 0x0193;\n  t.Gimarmenian = 0x0533;\n  t.Gjecyrillic = 0x0403;\n  t.Gmacron = 0x1e20;\n  t.Gmonospace = 0xff27;\n  t.Grave = 0xf6ce;\n  t.Gravesmall = 0xf760;\n  t.Gsmall = 0xf767;\n  t.Gsmallhook = 0x029b;\n  t.Gstroke = 0x01e4;\n  t.H = 0x0048;\n  t.H18533 = 0x25cf;\n  t.H18543 = 0x25aa;\n  t.H18551 = 0x25ab;\n  t.H22073 = 0x25a1;\n  t.HPsquare = 0x33cb;\n  t.Haabkhasiancyrillic = 0x04a8;\n  t.Hadescendercyrillic = 0x04b2;\n  t.Hardsigncyrillic = 0x042a;\n  t.Hbar = 0x0126;\n  t.Hbrevebelow = 0x1e2a;\n  t.Hcedilla = 0x1e28;\n  t.Hcircle = 0x24bd;\n  t.Hcircumflex = 0x0124;\n  t.Hdieresis = 0x1e26;\n  t.Hdotaccent = 0x1e22;\n  t.Hdotbelow = 0x1e24;\n  t.Hmonospace = 0xff28;\n  t.Hoarmenian = 0x0540;\n  t.Horicoptic = 0x03e8;\n  t.Hsmall = 0xf768;\n  t.Hungarumlaut = 0xf6cf;\n  t.Hungarumlautsmall = 0xf6f8;\n  t.Hzsquare = 0x3390;\n  t.I = 0x0049;\n  t.IAcyrillic = 0x042f;\n  t.IJ = 0x0132;\n  t.IUcyrillic = 0x042e;\n  t.Iacute = 0x00cd;\n  t.Iacutesmall = 0xf7ed;\n  t.Ibreve = 0x012c;\n  t.Icaron = 0x01cf;\n  t.Icircle = 0x24be;\n  t.Icircumflex = 0x00ce;\n  t.Icircumflexsmall = 0xf7ee;\n  t.Icyrillic = 0x0406;\n  t.Idblgrave = 0x0208;\n  t.Idieresis = 0x00cf;\n  t.Idieresisacute = 0x1e2e;\n  t.Idieresiscyrillic = 0x04e4;\n  t.Idieresissmall = 0xf7ef;\n  t.Idot = 0x0130;\n  t.Idotaccent = 0x0130;\n  t.Idotbelow = 0x1eca;\n  t.Iebrevecyrillic = 0x04d6;\n  t.Iecyrillic = 0x0415;\n  t.Ifraktur = 0x2111;\n  t.Igrave = 0x00cc;\n  t.Igravesmall = 0xf7ec;\n  t.Ihookabove = 0x1ec8;\n  t.Iicyrillic = 0x0418;\n  t.Iinvertedbreve = 0x020a;\n  t.Iishortcyrillic = 0x0419;\n  t.Imacron = 0x012a;\n  t.Imacroncyrillic = 0x04e2;\n  t.Imonospace = 0xff29;\n  t.Iniarmenian = 0x053b;\n  t.Iocyrillic = 0x0401;\n  t.Iogonek = 0x012e;\n  t.Iota = 0x0399;\n  t.Iotaafrican = 0x0196;\n  t.Iotadieresis = 0x03aa;\n  t.Iotatonos = 0x038a;\n  t.Ismall = 0xf769;\n  t.Istroke = 0x0197;\n  t.Itilde = 0x0128;\n  t.Itildebelow = 0x1e2c;\n  t.Izhitsacyrillic = 0x0474;\n  t.Izhitsadblgravecyrillic = 0x0476;\n  t.J = 0x004a;\n  t.Jaarmenian = 0x0541;\n  t.Jcircle = 0x24bf;\n  t.Jcircumflex = 0x0134;\n  t.Jecyrillic = 0x0408;\n  t.Jheharmenian = 0x054b;\n  t.Jmonospace = 0xff2a;\n  t.Jsmall = 0xf76a;\n  t.K = 0x004b;\n  t.KBsquare = 0x3385;\n  t.KKsquare = 0x33cd;\n  t.Kabashkircyrillic = 0x04a0;\n  t.Kacute = 0x1e30;\n  t.Kacyrillic = 0x041a;\n  t.Kadescendercyrillic = 0x049a;\n  t.Kahookcyrillic = 0x04c3;\n  t.Kappa = 0x039a;\n  t.Kastrokecyrillic = 0x049e;\n  t.Kaverticalstrokecyrillic = 0x049c;\n  t.Kcaron = 0x01e8;\n  t.Kcedilla = 0x0136;\n  t.Kcircle = 0x24c0;\n  t.Kcommaaccent = 0x0136;\n  t.Kdotbelow = 0x1e32;\n  t.Keharmenian = 0x0554;\n  t.Kenarmenian = 0x053f;\n  t.Khacyrillic = 0x0425;\n  t.Kheicoptic = 0x03e6;\n  t.Khook = 0x0198;\n  t.Kjecyrillic = 0x040c;\n  t.Klinebelow = 0x1e34;\n  t.Kmonospace = 0xff2b;\n  t.Koppacyrillic = 0x0480;\n  t.Koppagreek = 0x03de;\n  t.Ksicyrillic = 0x046e;\n  t.Ksmall = 0xf76b;\n  t.L = 0x004c;\n  t.LJ = 0x01c7;\n  t.LL = 0xf6bf;\n  t.Lacute = 0x0139;\n  t.Lambda = 0x039b;\n  t.Lcaron = 0x013d;\n  t.Lcedilla = 0x013b;\n  t.Lcircle = 0x24c1;\n  t.Lcircumflexbelow = 0x1e3c;\n  t.Lcommaaccent = 0x013b;\n  t.Ldot = 0x013f;\n  t.Ldotaccent = 0x013f;\n  t.Ldotbelow = 0x1e36;\n  t.Ldotbelowmacron = 0x1e38;\n  t.Liwnarmenian = 0x053c;\n  t.Lj = 0x01c8;\n  t.Ljecyrillic = 0x0409;\n  t.Llinebelow = 0x1e3a;\n  t.Lmonospace = 0xff2c;\n  t.Lslash = 0x0141;\n  t.Lslashsmall = 0xf6f9;\n  t.Lsmall = 0xf76c;\n  t.M = 0x004d;\n  t.MBsquare = 0x3386;\n  t.Macron = 0xf6d0;\n  t.Macronsmall = 0xf7af;\n  t.Macute = 0x1e3e;\n  t.Mcircle = 0x24c2;\n  t.Mdotaccent = 0x1e40;\n  t.Mdotbelow = 0x1e42;\n  t.Menarmenian = 0x0544;\n  t.Mmonospace = 0xff2d;\n  t.Msmall = 0xf76d;\n  t.Mturned = 0x019c;\n  t.Mu = 0x039c;\n  t.N = 0x004e;\n  t.NJ = 0x01ca;\n  t.Nacute = 0x0143;\n  t.Ncaron = 0x0147;\n  t.Ncedilla = 0x0145;\n  t.Ncircle = 0x24c3;\n  t.Ncircumflexbelow = 0x1e4a;\n  t.Ncommaaccent = 0x0145;\n  t.Ndotaccent = 0x1e44;\n  t.Ndotbelow = 0x1e46;\n  t.Nhookleft = 0x019d;\n  t.Nineroman = 0x2168;\n  t.Nj = 0x01cb;\n  t.Njecyrillic = 0x040a;\n  t.Nlinebelow = 0x1e48;\n  t.Nmonospace = 0xff2e;\n  t.Nowarmenian = 0x0546;\n  t.Nsmall = 0xf76e;\n  t.Ntilde = 0x00d1;\n  t.Ntildesmall = 0xf7f1;\n  t.Nu = 0x039d;\n  t.O = 0x004f;\n  t.OE = 0x0152;\n  t.OEsmall = 0xf6fa;\n  t.Oacute = 0x00d3;\n  t.Oacutesmall = 0xf7f3;\n  t.Obarredcyrillic = 0x04e8;\n  t.Obarreddieresiscyrillic = 0x04ea;\n  t.Obreve = 0x014e;\n  t.Ocaron = 0x01d1;\n  t.Ocenteredtilde = 0x019f;\n  t.Ocircle = 0x24c4;\n  t.Ocircumflex = 0x00d4;\n  t.Ocircumflexacute = 0x1ed0;\n  t.Ocircumflexdotbelow = 0x1ed8;\n  t.Ocircumflexgrave = 0x1ed2;\n  t.Ocircumflexhookabove = 0x1ed4;\n  t.Ocircumflexsmall = 0xf7f4;\n  t.Ocircumflextilde = 0x1ed6;\n  t.Ocyrillic = 0x041e;\n  t.Odblacute = 0x0150;\n  t.Odblgrave = 0x020c;\n  t.Odieresis = 0x00d6;\n  t.Odieresiscyrillic = 0x04e6;\n  t.Odieresissmall = 0xf7f6;\n  t.Odotbelow = 0x1ecc;\n  t.Ogoneksmall = 0xf6fb;\n  t.Ograve = 0x00d2;\n  t.Ogravesmall = 0xf7f2;\n  t.Oharmenian = 0x0555;\n  t.Ohm = 0x2126;\n  t.Ohookabove = 0x1ece;\n  t.Ohorn = 0x01a0;\n  t.Ohornacute = 0x1eda;\n  t.Ohorndotbelow = 0x1ee2;\n  t.Ohorngrave = 0x1edc;\n  t.Ohornhookabove = 0x1ede;\n  t.Ohorntilde = 0x1ee0;\n  t.Ohungarumlaut = 0x0150;\n  t.Oi = 0x01a2;\n  t.Oinvertedbreve = 0x020e;\n  t.Omacron = 0x014c;\n  t.Omacronacute = 0x1e52;\n  t.Omacrongrave = 0x1e50;\n  t.Omega = 0x2126;\n  t.Omegacyrillic = 0x0460;\n  t.Omegagreek = 0x03a9;\n  t.Omegaroundcyrillic = 0x047a;\n  t.Omegatitlocyrillic = 0x047c;\n  t.Omegatonos = 0x038f;\n  t.Omicron = 0x039f;\n  t.Omicrontonos = 0x038c;\n  t.Omonospace = 0xff2f;\n  t.Oneroman = 0x2160;\n  t.Oogonek = 0x01ea;\n  t.Oogonekmacron = 0x01ec;\n  t.Oopen = 0x0186;\n  t.Oslash = 0x00d8;\n  t.Oslashacute = 0x01fe;\n  t.Oslashsmall = 0xf7f8;\n  t.Osmall = 0xf76f;\n  t.Ostrokeacute = 0x01fe;\n  t.Otcyrillic = 0x047e;\n  t.Otilde = 0x00d5;\n  t.Otildeacute = 0x1e4c;\n  t.Otildedieresis = 0x1e4e;\n  t.Otildesmall = 0xf7f5;\n  t.P = 0x0050;\n  t.Pacute = 0x1e54;\n  t.Pcircle = 0x24c5;\n  t.Pdotaccent = 0x1e56;\n  t.Pecyrillic = 0x041f;\n  t.Peharmenian = 0x054a;\n  t.Pemiddlehookcyrillic = 0x04a6;\n  t.Phi = 0x03a6;\n  t.Phook = 0x01a4;\n  t.Pi = 0x03a0;\n  t.Piwrarmenian = 0x0553;\n  t.Pmonospace = 0xff30;\n  t.Psi = 0x03a8;\n  t.Psicyrillic = 0x0470;\n  t.Psmall = 0xf770;\n  t.Q = 0x0051;\n  t.Qcircle = 0x24c6;\n  t.Qmonospace = 0xff31;\n  t.Qsmall = 0xf771;\n  t.R = 0x0052;\n  t.Raarmenian = 0x054c;\n  t.Racute = 0x0154;\n  t.Rcaron = 0x0158;\n  t.Rcedilla = 0x0156;\n  t.Rcircle = 0x24c7;\n  t.Rcommaaccent = 0x0156;\n  t.Rdblgrave = 0x0210;\n  t.Rdotaccent = 0x1e58;\n  t.Rdotbelow = 0x1e5a;\n  t.Rdotbelowmacron = 0x1e5c;\n  t.Reharmenian = 0x0550;\n  t.Rfraktur = 0x211c;\n  t.Rho = 0x03a1;\n  t.Ringsmall = 0xf6fc;\n  t.Rinvertedbreve = 0x0212;\n  t.Rlinebelow = 0x1e5e;\n  t.Rmonospace = 0xff32;\n  t.Rsmall = 0xf772;\n  t.Rsmallinverted = 0x0281;\n  t.Rsmallinvertedsuperior = 0x02b6;\n  t.S = 0x0053;\n  t.SF010000 = 0x250c;\n  t.SF020000 = 0x2514;\n  t.SF030000 = 0x2510;\n  t.SF040000 = 0x2518;\n  t.SF050000 = 0x253c;\n  t.SF060000 = 0x252c;\n  t.SF070000 = 0x2534;\n  t.SF080000 = 0x251c;\n  t.SF090000 = 0x2524;\n  t.SF100000 = 0x2500;\n  t.SF110000 = 0x2502;\n  t.SF190000 = 0x2561;\n  t.SF200000 = 0x2562;\n  t.SF210000 = 0x2556;\n  t.SF220000 = 0x2555;\n  t.SF230000 = 0x2563;\n  t.SF240000 = 0x2551;\n  t.SF250000 = 0x2557;\n  t.SF260000 = 0x255d;\n  t.SF270000 = 0x255c;\n  t.SF280000 = 0x255b;\n  t.SF360000 = 0x255e;\n  t.SF370000 = 0x255f;\n  t.SF380000 = 0x255a;\n  t.SF390000 = 0x2554;\n  t.SF400000 = 0x2569;\n  t.SF410000 = 0x2566;\n  t.SF420000 = 0x2560;\n  t.SF430000 = 0x2550;\n  t.SF440000 = 0x256c;\n  t.SF450000 = 0x2567;\n  t.SF460000 = 0x2568;\n  t.SF470000 = 0x2564;\n  t.SF480000 = 0x2565;\n  t.SF490000 = 0x2559;\n  t.SF500000 = 0x2558;\n  t.SF510000 = 0x2552;\n  t.SF520000 = 0x2553;\n  t.SF530000 = 0x256b;\n  t.SF540000 = 0x256a;\n  t.Sacute = 0x015a;\n  t.Sacutedotaccent = 0x1e64;\n  t.Sampigreek = 0x03e0;\n  t.Scaron = 0x0160;\n  t.Scarondotaccent = 0x1e66;\n  t.Scaronsmall = 0xf6fd;\n  t.Scedilla = 0x015e;\n  t.Schwa = 0x018f;\n  t.Schwacyrillic = 0x04d8;\n  t.Schwadieresiscyrillic = 0x04da;\n  t.Scircle = 0x24c8;\n  t.Scircumflex = 0x015c;\n  t.Scommaaccent = 0x0218;\n  t.Sdotaccent = 0x1e60;\n  t.Sdotbelow = 0x1e62;\n  t.Sdotbelowdotaccent = 0x1e68;\n  t.Seharmenian = 0x054d;\n  t.Sevenroman = 0x2166;\n  t.Shaarmenian = 0x0547;\n  t.Shacyrillic = 0x0428;\n  t.Shchacyrillic = 0x0429;\n  t.Sheicoptic = 0x03e2;\n  t.Shhacyrillic = 0x04ba;\n  t.Shimacoptic = 0x03ec;\n  t.Sigma = 0x03a3;\n  t.Sixroman = 0x2165;\n  t.Smonospace = 0xff33;\n  t.Softsigncyrillic = 0x042c;\n  t.Ssmall = 0xf773;\n  t.Stigmagreek = 0x03da;\n  t.T = 0x0054;\n  t.Tau = 0x03a4;\n  t.Tbar = 0x0166;\n  t.Tcaron = 0x0164;\n  t.Tcedilla = 0x0162;\n  t.Tcircle = 0x24c9;\n  t.Tcircumflexbelow = 0x1e70;\n  t.Tcommaaccent = 0x0162;\n  t.Tdotaccent = 0x1e6a;\n  t.Tdotbelow = 0x1e6c;\n  t.Tecyrillic = 0x0422;\n  t.Tedescendercyrillic = 0x04ac;\n  t.Tenroman = 0x2169;\n  t.Tetsecyrillic = 0x04b4;\n  t.Theta = 0x0398;\n  t.Thook = 0x01ac;\n  t.Thorn = 0x00de;\n  t.Thornsmall = 0xf7fe;\n  t.Threeroman = 0x2162;\n  t.Tildesmall = 0xf6fe;\n  t.Tiwnarmenian = 0x054f;\n  t.Tlinebelow = 0x1e6e;\n  t.Tmonospace = 0xff34;\n  t.Toarmenian = 0x0539;\n  t.Tonefive = 0x01bc;\n  t.Tonesix = 0x0184;\n  t.Tonetwo = 0x01a7;\n  t.Tretroflexhook = 0x01ae;\n  t.Tsecyrillic = 0x0426;\n  t.Tshecyrillic = 0x040b;\n  t.Tsmall = 0xf774;\n  t.Twelveroman = 0x216b;\n  t.Tworoman = 0x2161;\n  t.U = 0x0055;\n  t.Uacute = 0x00da;\n  t.Uacutesmall = 0xf7fa;\n  t.Ubreve = 0x016c;\n  t.Ucaron = 0x01d3;\n  t.Ucircle = 0x24ca;\n  t.Ucircumflex = 0x00db;\n  t.Ucircumflexbelow = 0x1e76;\n  t.Ucircumflexsmall = 0xf7fb;\n  t.Ucyrillic = 0x0423;\n  t.Udblacute = 0x0170;\n  t.Udblgrave = 0x0214;\n  t.Udieresis = 0x00dc;\n  t.Udieresisacute = 0x01d7;\n  t.Udieresisbelow = 0x1e72;\n  t.Udieresiscaron = 0x01d9;\n  t.Udieresiscyrillic = 0x04f0;\n  t.Udieresisgrave = 0x01db;\n  t.Udieresismacron = 0x01d5;\n  t.Udieresissmall = 0xf7fc;\n  t.Udotbelow = 0x1ee4;\n  t.Ugrave = 0x00d9;\n  t.Ugravesmall = 0xf7f9;\n  t.Uhookabove = 0x1ee6;\n  t.Uhorn = 0x01af;\n  t.Uhornacute = 0x1ee8;\n  t.Uhorndotbelow = 0x1ef0;\n  t.Uhorngrave = 0x1eea;\n  t.Uhornhookabove = 0x1eec;\n  t.Uhorntilde = 0x1eee;\n  t.Uhungarumlaut = 0x0170;\n  t.Uhungarumlautcyrillic = 0x04f2;\n  t.Uinvertedbreve = 0x0216;\n  t.Ukcyrillic = 0x0478;\n  t.Umacron = 0x016a;\n  t.Umacroncyrillic = 0x04ee;\n  t.Umacrondieresis = 0x1e7a;\n  t.Umonospace = 0xff35;\n  t.Uogonek = 0x0172;\n  t.Upsilon = 0x03a5;\n  t.Upsilon1 = 0x03d2;\n  t.Upsilonacutehooksymbolgreek = 0x03d3;\n  t.Upsilonafrican = 0x01b1;\n  t.Upsilondieresis = 0x03ab;\n  t.Upsilondieresishooksymbolgreek = 0x03d4;\n  t.Upsilonhooksymbol = 0x03d2;\n  t.Upsilontonos = 0x038e;\n  t.Uring = 0x016e;\n  t.Ushortcyrillic = 0x040e;\n  t.Usmall = 0xf775;\n  t.Ustraightcyrillic = 0x04ae;\n  t.Ustraightstrokecyrillic = 0x04b0;\n  t.Utilde = 0x0168;\n  t.Utildeacute = 0x1e78;\n  t.Utildebelow = 0x1e74;\n  t.V = 0x0056;\n  t.Vcircle = 0x24cb;\n  t.Vdotbelow = 0x1e7e;\n  t.Vecyrillic = 0x0412;\n  t.Vewarmenian = 0x054e;\n  t.Vhook = 0x01b2;\n  t.Vmonospace = 0xff36;\n  t.Voarmenian = 0x0548;\n  t.Vsmall = 0xf776;\n  t.Vtilde = 0x1e7c;\n  t.W = 0x0057;\n  t.Wacute = 0x1e82;\n  t.Wcircle = 0x24cc;\n  t.Wcircumflex = 0x0174;\n  t.Wdieresis = 0x1e84;\n  t.Wdotaccent = 0x1e86;\n  t.Wdotbelow = 0x1e88;\n  t.Wgrave = 0x1e80;\n  t.Wmonospace = 0xff37;\n  t.Wsmall = 0xf777;\n  t.X = 0x0058;\n  t.Xcircle = 0x24cd;\n  t.Xdieresis = 0x1e8c;\n  t.Xdotaccent = 0x1e8a;\n  t.Xeharmenian = 0x053d;\n  t.Xi = 0x039e;\n  t.Xmonospace = 0xff38;\n  t.Xsmall = 0xf778;\n  t.Y = 0x0059;\n  t.Yacute = 0x00dd;\n  t.Yacutesmall = 0xf7fd;\n  t.Yatcyrillic = 0x0462;\n  t.Ycircle = 0x24ce;\n  t.Ycircumflex = 0x0176;\n  t.Ydieresis = 0x0178;\n  t.Ydieresissmall = 0xf7ff;\n  t.Ydotaccent = 0x1e8e;\n  t.Ydotbelow = 0x1ef4;\n  t.Yericyrillic = 0x042b;\n  t.Yerudieresiscyrillic = 0x04f8;\n  t.Ygrave = 0x1ef2;\n  t.Yhook = 0x01b3;\n  t.Yhookabove = 0x1ef6;\n  t.Yiarmenian = 0x0545;\n  t.Yicyrillic = 0x0407;\n  t.Yiwnarmenian = 0x0552;\n  t.Ymonospace = 0xff39;\n  t.Ysmall = 0xf779;\n  t.Ytilde = 0x1ef8;\n  t.Yusbigcyrillic = 0x046a;\n  t.Yusbigiotifiedcyrillic = 0x046c;\n  t.Yuslittlecyrillic = 0x0466;\n  t.Yuslittleiotifiedcyrillic = 0x0468;\n  t.Z = 0x005a;\n  t.Zaarmenian = 0x0536;\n  t.Zacute = 0x0179;\n  t.Zcaron = 0x017d;\n  t.Zcaronsmall = 0xf6ff;\n  t.Zcircle = 0x24cf;\n  t.Zcircumflex = 0x1e90;\n  t.Zdot = 0x017b;\n  t.Zdotaccent = 0x017b;\n  t.Zdotbelow = 0x1e92;\n  t.Zecyrillic = 0x0417;\n  t.Zedescendercyrillic = 0x0498;\n  t.Zedieresiscyrillic = 0x04de;\n  t.Zeta = 0x0396;\n  t.Zhearmenian = 0x053a;\n  t.Zhebrevecyrillic = 0x04c1;\n  t.Zhecyrillic = 0x0416;\n  t.Zhedescendercyrillic = 0x0496;\n  t.Zhedieresiscyrillic = 0x04dc;\n  t.Zlinebelow = 0x1e94;\n  t.Zmonospace = 0xff3a;\n  t.Zsmall = 0xf77a;\n  t.Zstroke = 0x01b5;\n  t.a = 0x0061;\n  t.aabengali = 0x0986;\n  t.aacute = 0x00e1;\n  t.aadeva = 0x0906;\n  t.aagujarati = 0x0a86;\n  t.aagurmukhi = 0x0a06;\n  t.aamatragurmukhi = 0x0a3e;\n  t.aarusquare = 0x3303;\n  t.aavowelsignbengali = 0x09be;\n  t.aavowelsigndeva = 0x093e;\n  t.aavowelsigngujarati = 0x0abe;\n  t.abbreviationmarkarmenian = 0x055f;\n  t.abbreviationsigndeva = 0x0970;\n  t.abengali = 0x0985;\n  t.abopomofo = 0x311a;\n  t.abreve = 0x0103;\n  t.abreveacute = 0x1eaf;\n  t.abrevecyrillic = 0x04d1;\n  t.abrevedotbelow = 0x1eb7;\n  t.abrevegrave = 0x1eb1;\n  t.abrevehookabove = 0x1eb3;\n  t.abrevetilde = 0x1eb5;\n  t.acaron = 0x01ce;\n  t.acircle = 0x24d0;\n  t.acircumflex = 0x00e2;\n  t.acircumflexacute = 0x1ea5;\n  t.acircumflexdotbelow = 0x1ead;\n  t.acircumflexgrave = 0x1ea7;\n  t.acircumflexhookabove = 0x1ea9;\n  t.acircumflextilde = 0x1eab;\n  t.acute = 0x00b4;\n  t.acutebelowcmb = 0x0317;\n  t.acutecmb = 0x0301;\n  t.acutecomb = 0x0301;\n  t.acutedeva = 0x0954;\n  t.acutelowmod = 0x02cf;\n  t.acutetonecmb = 0x0341;\n  t.acyrillic = 0x0430;\n  t.adblgrave = 0x0201;\n  t.addakgurmukhi = 0x0a71;\n  t.adeva = 0x0905;\n  t.adieresis = 0x00e4;\n  t.adieresiscyrillic = 0x04d3;\n  t.adieresismacron = 0x01df;\n  t.adotbelow = 0x1ea1;\n  t.adotmacron = 0x01e1;\n  t.ae = 0x00e6;\n  t.aeacute = 0x01fd;\n  t.aekorean = 0x3150;\n  t.aemacron = 0x01e3;\n  t.afii00208 = 0x2015;\n  t.afii08941 = 0x20a4;\n  t.afii10017 = 0x0410;\n  t.afii10018 = 0x0411;\n  t.afii10019 = 0x0412;\n  t.afii10020 = 0x0413;\n  t.afii10021 = 0x0414;\n  t.afii10022 = 0x0415;\n  t.afii10023 = 0x0401;\n  t.afii10024 = 0x0416;\n  t.afii10025 = 0x0417;\n  t.afii10026 = 0x0418;\n  t.afii10027 = 0x0419;\n  t.afii10028 = 0x041a;\n  t.afii10029 = 0x041b;\n  t.afii10030 = 0x041c;\n  t.afii10031 = 0x041d;\n  t.afii10032 = 0x041e;\n  t.afii10033 = 0x041f;\n  t.afii10034 = 0x0420;\n  t.afii10035 = 0x0421;\n  t.afii10036 = 0x0422;\n  t.afii10037 = 0x0423;\n  t.afii10038 = 0x0424;\n  t.afii10039 = 0x0425;\n  t.afii10040 = 0x0426;\n  t.afii10041 = 0x0427;\n  t.afii10042 = 0x0428;\n  t.afii10043 = 0x0429;\n  t.afii10044 = 0x042a;\n  t.afii10045 = 0x042b;\n  t.afii10046 = 0x042c;\n  t.afii10047 = 0x042d;\n  t.afii10048 = 0x042e;\n  t.afii10049 = 0x042f;\n  t.afii10050 = 0x0490;\n  t.afii10051 = 0x0402;\n  t.afii10052 = 0x0403;\n  t.afii10053 = 0x0404;\n  t.afii10054 = 0x0405;\n  t.afii10055 = 0x0406;\n  t.afii10056 = 0x0407;\n  t.afii10057 = 0x0408;\n  t.afii10058 = 0x0409;\n  t.afii10059 = 0x040a;\n  t.afii10060 = 0x040b;\n  t.afii10061 = 0x040c;\n  t.afii10062 = 0x040e;\n  t.afii10063 = 0xf6c4;\n  t.afii10064 = 0xf6c5;\n  t.afii10065 = 0x0430;\n  t.afii10066 = 0x0431;\n  t.afii10067 = 0x0432;\n  t.afii10068 = 0x0433;\n  t.afii10069 = 0x0434;\n  t.afii10070 = 0x0435;\n  t.afii10071 = 0x0451;\n  t.afii10072 = 0x0436;\n  t.afii10073 = 0x0437;\n  t.afii10074 = 0x0438;\n  t.afii10075 = 0x0439;\n  t.afii10076 = 0x043a;\n  t.afii10077 = 0x043b;\n  t.afii10078 = 0x043c;\n  t.afii10079 = 0x043d;\n  t.afii10080 = 0x043e;\n  t.afii10081 = 0x043f;\n  t.afii10082 = 0x0440;\n  t.afii10083 = 0x0441;\n  t.afii10084 = 0x0442;\n  t.afii10085 = 0x0443;\n  t.afii10086 = 0x0444;\n  t.afii10087 = 0x0445;\n  t.afii10088 = 0x0446;\n  t.afii10089 = 0x0447;\n  t.afii10090 = 0x0448;\n  t.afii10091 = 0x0449;\n  t.afii10092 = 0x044a;\n  t.afii10093 = 0x044b;\n  t.afii10094 = 0x044c;\n  t.afii10095 = 0x044d;\n  t.afii10096 = 0x044e;\n  t.afii10097 = 0x044f;\n  t.afii10098 = 0x0491;\n  t.afii10099 = 0x0452;\n  t.afii10100 = 0x0453;\n  t.afii10101 = 0x0454;\n  t.afii10102 = 0x0455;\n  t.afii10103 = 0x0456;\n  t.afii10104 = 0x0457;\n  t.afii10105 = 0x0458;\n  t.afii10106 = 0x0459;\n  t.afii10107 = 0x045a;\n  t.afii10108 = 0x045b;\n  t.afii10109 = 0x045c;\n  t.afii10110 = 0x045e;\n  t.afii10145 = 0x040f;\n  t.afii10146 = 0x0462;\n  t.afii10147 = 0x0472;\n  t.afii10148 = 0x0474;\n  t.afii10192 = 0xf6c6;\n  t.afii10193 = 0x045f;\n  t.afii10194 = 0x0463;\n  t.afii10195 = 0x0473;\n  t.afii10196 = 0x0475;\n  t.afii10831 = 0xf6c7;\n  t.afii10832 = 0xf6c8;\n  t.afii10846 = 0x04d9;\n  t.afii299 = 0x200e;\n  t.afii300 = 0x200f;\n  t.afii301 = 0x200d;\n  t.afii57381 = 0x066a;\n  t.afii57388 = 0x060c;\n  t.afii57392 = 0x0660;\n  t.afii57393 = 0x0661;\n  t.afii57394 = 0x0662;\n  t.afii57395 = 0x0663;\n  t.afii57396 = 0x0664;\n  t.afii57397 = 0x0665;\n  t.afii57398 = 0x0666;\n  t.afii57399 = 0x0667;\n  t.afii57400 = 0x0668;\n  t.afii57401 = 0x0669;\n  t.afii57403 = 0x061b;\n  t.afii57407 = 0x061f;\n  t.afii57409 = 0x0621;\n  t.afii57410 = 0x0622;\n  t.afii57411 = 0x0623;\n  t.afii57412 = 0x0624;\n  t.afii57413 = 0x0625;\n  t.afii57414 = 0x0626;\n  t.afii57415 = 0x0627;\n  t.afii57416 = 0x0628;\n  t.afii57417 = 0x0629;\n  t.afii57418 = 0x062a;\n  t.afii57419 = 0x062b;\n  t.afii57420 = 0x062c;\n  t.afii57421 = 0x062d;\n  t.afii57422 = 0x062e;\n  t.afii57423 = 0x062f;\n  t.afii57424 = 0x0630;\n  t.afii57425 = 0x0631;\n  t.afii57426 = 0x0632;\n  t.afii57427 = 0x0633;\n  t.afii57428 = 0x0634;\n  t.afii57429 = 0x0635;\n  t.afii57430 = 0x0636;\n  t.afii57431 = 0x0637;\n  t.afii57432 = 0x0638;\n  t.afii57433 = 0x0639;\n  t.afii57434 = 0x063a;\n  t.afii57440 = 0x0640;\n  t.afii57441 = 0x0641;\n  t.afii57442 = 0x0642;\n  t.afii57443 = 0x0643;\n  t.afii57444 = 0x0644;\n  t.afii57445 = 0x0645;\n  t.afii57446 = 0x0646;\n  t.afii57448 = 0x0648;\n  t.afii57449 = 0x0649;\n  t.afii57450 = 0x064a;\n  t.afii57451 = 0x064b;\n  t.afii57452 = 0x064c;\n  t.afii57453 = 0x064d;\n  t.afii57454 = 0x064e;\n  t.afii57455 = 0x064f;\n  t.afii57456 = 0x0650;\n  t.afii57457 = 0x0651;\n  t.afii57458 = 0x0652;\n  t.afii57470 = 0x0647;\n  t.afii57505 = 0x06a4;\n  t.afii57506 = 0x067e;\n  t.afii57507 = 0x0686;\n  t.afii57508 = 0x0698;\n  t.afii57509 = 0x06af;\n  t.afii57511 = 0x0679;\n  t.afii57512 = 0x0688;\n  t.afii57513 = 0x0691;\n  t.afii57514 = 0x06ba;\n  t.afii57519 = 0x06d2;\n  t.afii57534 = 0x06d5;\n  t.afii57636 = 0x20aa;\n  t.afii57645 = 0x05be;\n  t.afii57658 = 0x05c3;\n  t.afii57664 = 0x05d0;\n  t.afii57665 = 0x05d1;\n  t.afii57666 = 0x05d2;\n  t.afii57667 = 0x05d3;\n  t.afii57668 = 0x05d4;\n  t.afii57669 = 0x05d5;\n  t.afii57670 = 0x05d6;\n  t.afii57671 = 0x05d7;\n  t.afii57672 = 0x05d8;\n  t.afii57673 = 0x05d9;\n  t.afii57674 = 0x05da;\n  t.afii57675 = 0x05db;\n  t.afii57676 = 0x05dc;\n  t.afii57677 = 0x05dd;\n  t.afii57678 = 0x05de;\n  t.afii57679 = 0x05df;\n  t.afii57680 = 0x05e0;\n  t.afii57681 = 0x05e1;\n  t.afii57682 = 0x05e2;\n  t.afii57683 = 0x05e3;\n  t.afii57684 = 0x05e4;\n  t.afii57685 = 0x05e5;\n  t.afii57686 = 0x05e6;\n  t.afii57687 = 0x05e7;\n  t.afii57688 = 0x05e8;\n  t.afii57689 = 0x05e9;\n  t.afii57690 = 0x05ea;\n  t.afii57694 = 0xfb2a;\n  t.afii57695 = 0xfb2b;\n  t.afii57700 = 0xfb4b;\n  t.afii57705 = 0xfb1f;\n  t.afii57716 = 0x05f0;\n  t.afii57717 = 0x05f1;\n  t.afii57718 = 0x05f2;\n  t.afii57723 = 0xfb35;\n  t.afii57793 = 0x05b4;\n  t.afii57794 = 0x05b5;\n  t.afii57795 = 0x05b6;\n  t.afii57796 = 0x05bb;\n  t.afii57797 = 0x05b8;\n  t.afii57798 = 0x05b7;\n  t.afii57799 = 0x05b0;\n  t.afii57800 = 0x05b2;\n  t.afii57801 = 0x05b1;\n  t.afii57802 = 0x05b3;\n  t.afii57803 = 0x05c2;\n  t.afii57804 = 0x05c1;\n  t.afii57806 = 0x05b9;\n  t.afii57807 = 0x05bc;\n  t.afii57839 = 0x05bd;\n  t.afii57841 = 0x05bf;\n  t.afii57842 = 0x05c0;\n  t.afii57929 = 0x02bc;\n  t.afii61248 = 0x2105;\n  t.afii61289 = 0x2113;\n  t.afii61352 = 0x2116;\n  t.afii61573 = 0x202c;\n  t.afii61574 = 0x202d;\n  t.afii61575 = 0x202e;\n  t.afii61664 = 0x200c;\n  t.afii63167 = 0x066d;\n  t.afii64937 = 0x02bd;\n  t.agrave = 0x00e0;\n  t.agujarati = 0x0a85;\n  t.agurmukhi = 0x0a05;\n  t.ahiragana = 0x3042;\n  t.ahookabove = 0x1ea3;\n  t.aibengali = 0x0990;\n  t.aibopomofo = 0x311e;\n  t.aideva = 0x0910;\n  t.aiecyrillic = 0x04d5;\n  t.aigujarati = 0x0a90;\n  t.aigurmukhi = 0x0a10;\n  t.aimatragurmukhi = 0x0a48;\n  t.ainarabic = 0x0639;\n  t.ainfinalarabic = 0xfeca;\n  t.aininitialarabic = 0xfecb;\n  t.ainmedialarabic = 0xfecc;\n  t.ainvertedbreve = 0x0203;\n  t.aivowelsignbengali = 0x09c8;\n  t.aivowelsigndeva = 0x0948;\n  t.aivowelsigngujarati = 0x0ac8;\n  t.akatakana = 0x30a2;\n  t.akatakanahalfwidth = 0xff71;\n  t.akorean = 0x314f;\n  t.alef = 0x05d0;\n  t.alefarabic = 0x0627;\n  t.alefdageshhebrew = 0xfb30;\n  t.aleffinalarabic = 0xfe8e;\n  t.alefhamzaabovearabic = 0x0623;\n  t.alefhamzaabovefinalarabic = 0xfe84;\n  t.alefhamzabelowarabic = 0x0625;\n  t.alefhamzabelowfinalarabic = 0xfe88;\n  t.alefhebrew = 0x05d0;\n  t.aleflamedhebrew = 0xfb4f;\n  t.alefmaddaabovearabic = 0x0622;\n  t.alefmaddaabovefinalarabic = 0xfe82;\n  t.alefmaksuraarabic = 0x0649;\n  t.alefmaksurafinalarabic = 0xfef0;\n  t.alefmaksurainitialarabic = 0xfef3;\n  t.alefmaksuramedialarabic = 0xfef4;\n  t.alefpatahhebrew = 0xfb2e;\n  t.alefqamatshebrew = 0xfb2f;\n  t.aleph = 0x2135;\n  t.allequal = 0x224c;\n  t.alpha = 0x03b1;\n  t.alphatonos = 0x03ac;\n  t.amacron = 0x0101;\n  t.amonospace = 0xff41;\n  t.ampersand = 0x0026;\n  t.ampersandmonospace = 0xff06;\n  t.ampersandsmall = 0xf726;\n  t.amsquare = 0x33c2;\n  t.anbopomofo = 0x3122;\n  t.angbopomofo = 0x3124;\n  t.angbracketleft = 0x3008; // Glyph is missing from Adobe's original list.\n  t.angbracketright = 0x3009; // Glyph is missing from Adobe's original list.\n  t.angkhankhuthai = 0x0e5a;\n  t.angle = 0x2220;\n  t.anglebracketleft = 0x3008;\n  t.anglebracketleftvertical = 0xfe3f;\n  t.anglebracketright = 0x3009;\n  t.anglebracketrightvertical = 0xfe40;\n  t.angleleft = 0x2329;\n  t.angleright = 0x232a;\n  t.angstrom = 0x212b;\n  t.anoteleia = 0x0387;\n  t.anudattadeva = 0x0952;\n  t.anusvarabengali = 0x0982;\n  t.anusvaradeva = 0x0902;\n  t.anusvaragujarati = 0x0a82;\n  t.aogonek = 0x0105;\n  t.apaatosquare = 0x3300;\n  t.aparen = 0x249c;\n  t.apostrophearmenian = 0x055a;\n  t.apostrophemod = 0x02bc;\n  t.apple = 0xf8ff;\n  t.approaches = 0x2250;\n  t.approxequal = 0x2248;\n  t.approxequalorimage = 0x2252;\n  t.approximatelyequal = 0x2245;\n  t.araeaekorean = 0x318e;\n  t.araeakorean = 0x318d;\n  t.arc = 0x2312;\n  t.arighthalfring = 0x1e9a;\n  t.aring = 0x00e5;\n  t.aringacute = 0x01fb;\n  t.aringbelow = 0x1e01;\n  t.arrowboth = 0x2194;\n  t.arrowdashdown = 0x21e3;\n  t.arrowdashleft = 0x21e0;\n  t.arrowdashright = 0x21e2;\n  t.arrowdashup = 0x21e1;\n  t.arrowdblboth = 0x21d4;\n  t.arrowdbldown = 0x21d3;\n  t.arrowdblleft = 0x21d0;\n  t.arrowdblright = 0x21d2;\n  t.arrowdblup = 0x21d1;\n  t.arrowdown = 0x2193;\n  t.arrowdownleft = 0x2199;\n  t.arrowdownright = 0x2198;\n  t.arrowdownwhite = 0x21e9;\n  t.arrowheaddownmod = 0x02c5;\n  t.arrowheadleftmod = 0x02c2;\n  t.arrowheadrightmod = 0x02c3;\n  t.arrowheadupmod = 0x02c4;\n  t.arrowhorizex = 0xf8e7;\n  t.arrowleft = 0x2190;\n  t.arrowleftdbl = 0x21d0;\n  t.arrowleftdblstroke = 0x21cd;\n  t.arrowleftoverright = 0x21c6;\n  t.arrowleftwhite = 0x21e6;\n  t.arrowright = 0x2192;\n  t.arrowrightdblstroke = 0x21cf;\n  t.arrowrightheavy = 0x279e;\n  t.arrowrightoverleft = 0x21c4;\n  t.arrowrightwhite = 0x21e8;\n  t.arrowtableft = 0x21e4;\n  t.arrowtabright = 0x21e5;\n  t.arrowup = 0x2191;\n  t.arrowupdn = 0x2195;\n  t.arrowupdnbse = 0x21a8;\n  t.arrowupdownbase = 0x21a8;\n  t.arrowupleft = 0x2196;\n  t.arrowupleftofdown = 0x21c5;\n  t.arrowupright = 0x2197;\n  t.arrowupwhite = 0x21e7;\n  t.arrowvertex = 0xf8e6;\n  t.asciicircum = 0x005e;\n  t.asciicircummonospace = 0xff3e;\n  t.asciitilde = 0x007e;\n  t.asciitildemonospace = 0xff5e;\n  t.ascript = 0x0251;\n  t.ascriptturned = 0x0252;\n  t.asmallhiragana = 0x3041;\n  t.asmallkatakana = 0x30a1;\n  t.asmallkatakanahalfwidth = 0xff67;\n  t.asterisk = 0x002a;\n  t.asteriskaltonearabic = 0x066d;\n  t.asteriskarabic = 0x066d;\n  t.asteriskmath = 0x2217;\n  t.asteriskmonospace = 0xff0a;\n  t.asterisksmall = 0xfe61;\n  t.asterism = 0x2042;\n  t.asuperior = 0xf6e9;\n  t.asymptoticallyequal = 0x2243;\n  t.at = 0x0040;\n  t.atilde = 0x00e3;\n  t.atmonospace = 0xff20;\n  t.atsmall = 0xfe6b;\n  t.aturned = 0x0250;\n  t.aubengali = 0x0994;\n  t.aubopomofo = 0x3120;\n  t.audeva = 0x0914;\n  t.augujarati = 0x0a94;\n  t.augurmukhi = 0x0a14;\n  t.aulengthmarkbengali = 0x09d7;\n  t.aumatragurmukhi = 0x0a4c;\n  t.auvowelsignbengali = 0x09cc;\n  t.auvowelsigndeva = 0x094c;\n  t.auvowelsigngujarati = 0x0acc;\n  t.avagrahadeva = 0x093d;\n  t.aybarmenian = 0x0561;\n  t.ayin = 0x05e2;\n  t.ayinaltonehebrew = 0xfb20;\n  t.ayinhebrew = 0x05e2;\n  t.b = 0x0062;\n  t.babengali = 0x09ac;\n  t.backslash = 0x005c;\n  t.backslashmonospace = 0xff3c;\n  t.badeva = 0x092c;\n  t.bagujarati = 0x0aac;\n  t.bagurmukhi = 0x0a2c;\n  t.bahiragana = 0x3070;\n  t.bahtthai = 0x0e3f;\n  t.bakatakana = 0x30d0;\n  t.bar = 0x007c;\n  t.barmonospace = 0xff5c;\n  t.bbopomofo = 0x3105;\n  t.bcircle = 0x24d1;\n  t.bdotaccent = 0x1e03;\n  t.bdotbelow = 0x1e05;\n  t.beamedsixteenthnotes = 0x266c;\n  t.because = 0x2235;\n  t.becyrillic = 0x0431;\n  t.beharabic = 0x0628;\n  t.behfinalarabic = 0xfe90;\n  t.behinitialarabic = 0xfe91;\n  t.behiragana = 0x3079;\n  t.behmedialarabic = 0xfe92;\n  t.behmeeminitialarabic = 0xfc9f;\n  t.behmeemisolatedarabic = 0xfc08;\n  t.behnoonfinalarabic = 0xfc6d;\n  t.bekatakana = 0x30d9;\n  t.benarmenian = 0x0562;\n  t.bet = 0x05d1;\n  t.beta = 0x03b2;\n  t.betasymbolgreek = 0x03d0;\n  t.betdagesh = 0xfb31;\n  t.betdageshhebrew = 0xfb31;\n  t.bethebrew = 0x05d1;\n  t.betrafehebrew = 0xfb4c;\n  t.bhabengali = 0x09ad;\n  t.bhadeva = 0x092d;\n  t.bhagujarati = 0x0aad;\n  t.bhagurmukhi = 0x0a2d;\n  t.bhook = 0x0253;\n  t.bihiragana = 0x3073;\n  t.bikatakana = 0x30d3;\n  t.bilabialclick = 0x0298;\n  t.bindigurmukhi = 0x0a02;\n  t.birusquare = 0x3331;\n  t.blackcircle = 0x25cf;\n  t.blackdiamond = 0x25c6;\n  t.blackdownpointingtriangle = 0x25bc;\n  t.blackleftpointingpointer = 0x25c4;\n  t.blackleftpointingtriangle = 0x25c0;\n  t.blacklenticularbracketleft = 0x3010;\n  t.blacklenticularbracketleftvertical = 0xfe3b;\n  t.blacklenticularbracketright = 0x3011;\n  t.blacklenticularbracketrightvertical = 0xfe3c;\n  t.blacklowerlefttriangle = 0x25e3;\n  t.blacklowerrighttriangle = 0x25e2;\n  t.blackrectangle = 0x25ac;\n  t.blackrightpointingpointer = 0x25ba;\n  t.blackrightpointingtriangle = 0x25b6;\n  t.blacksmallsquare = 0x25aa;\n  t.blacksmilingface = 0x263b;\n  t.blacksquare = 0x25a0;\n  t.blackstar = 0x2605;\n  t.blackupperlefttriangle = 0x25e4;\n  t.blackupperrighttriangle = 0x25e5;\n  t.blackuppointingsmalltriangle = 0x25b4;\n  t.blackuppointingtriangle = 0x25b2;\n  t.blank = 0x2423;\n  t.blinebelow = 0x1e07;\n  t.block = 0x2588;\n  t.bmonospace = 0xff42;\n  t.bobaimaithai = 0x0e1a;\n  t.bohiragana = 0x307c;\n  t.bokatakana = 0x30dc;\n  t.bparen = 0x249d;\n  t.bqsquare = 0x33c3;\n  t.braceex = 0xf8f4;\n  t.braceleft = 0x007b;\n  t.braceleftbt = 0xf8f3;\n  t.braceleftmid = 0xf8f2;\n  t.braceleftmonospace = 0xff5b;\n  t.braceleftsmall = 0xfe5b;\n  t.bracelefttp = 0xf8f1;\n  t.braceleftvertical = 0xfe37;\n  t.braceright = 0x007d;\n  t.bracerightbt = 0xf8fe;\n  t.bracerightmid = 0xf8fd;\n  t.bracerightmonospace = 0xff5d;\n  t.bracerightsmall = 0xfe5c;\n  t.bracerighttp = 0xf8fc;\n  t.bracerightvertical = 0xfe38;\n  t.bracketleft = 0x005b;\n  t.bracketleftbt = 0xf8f0;\n  t.bracketleftex = 0xf8ef;\n  t.bracketleftmonospace = 0xff3b;\n  t.bracketlefttp = 0xf8ee;\n  t.bracketright = 0x005d;\n  t.bracketrightbt = 0xf8fb;\n  t.bracketrightex = 0xf8fa;\n  t.bracketrightmonospace = 0xff3d;\n  t.bracketrighttp = 0xf8f9;\n  t.breve = 0x02d8;\n  t.brevebelowcmb = 0x032e;\n  t.brevecmb = 0x0306;\n  t.breveinvertedbelowcmb = 0x032f;\n  t.breveinvertedcmb = 0x0311;\n  t.breveinverteddoublecmb = 0x0361;\n  t.bridgebelowcmb = 0x032a;\n  t.bridgeinvertedbelowcmb = 0x033a;\n  t.brokenbar = 0x00a6;\n  t.bstroke = 0x0180;\n  t.bsuperior = 0xf6ea;\n  t.btopbar = 0x0183;\n  t.buhiragana = 0x3076;\n  t.bukatakana = 0x30d6;\n  t.bullet = 0x2022;\n  t.bulletinverse = 0x25d8;\n  t.bulletoperator = 0x2219;\n  t.bullseye = 0x25ce;\n  t.c = 0x0063;\n  t.caarmenian = 0x056e;\n  t.cabengali = 0x099a;\n  t.cacute = 0x0107;\n  t.cadeva = 0x091a;\n  t.cagujarati = 0x0a9a;\n  t.cagurmukhi = 0x0a1a;\n  t.calsquare = 0x3388;\n  t.candrabindubengali = 0x0981;\n  t.candrabinducmb = 0x0310;\n  t.candrabindudeva = 0x0901;\n  t.candrabindugujarati = 0x0a81;\n  t.capslock = 0x21ea;\n  t.careof = 0x2105;\n  t.caron = 0x02c7;\n  t.caronbelowcmb = 0x032c;\n  t.caroncmb = 0x030c;\n  t.carriagereturn = 0x21b5;\n  t.cbopomofo = 0x3118;\n  t.ccaron = 0x010d;\n  t.ccedilla = 0x00e7;\n  t.ccedillaacute = 0x1e09;\n  t.ccircle = 0x24d2;\n  t.ccircumflex = 0x0109;\n  t.ccurl = 0x0255;\n  t.cdot = 0x010b;\n  t.cdotaccent = 0x010b;\n  t.cdsquare = 0x33c5;\n  t.cedilla = 0x00b8;\n  t.cedillacmb = 0x0327;\n  t.cent = 0x00a2;\n  t.centigrade = 0x2103;\n  t.centinferior = 0xf6df;\n  t.centmonospace = 0xffe0;\n  t.centoldstyle = 0xf7a2;\n  t.centsuperior = 0xf6e0;\n  t.chaarmenian = 0x0579;\n  t.chabengali = 0x099b;\n  t.chadeva = 0x091b;\n  t.chagujarati = 0x0a9b;\n  t.chagurmukhi = 0x0a1b;\n  t.chbopomofo = 0x3114;\n  t.cheabkhasiancyrillic = 0x04bd;\n  t.checkmark = 0x2713;\n  t.checyrillic = 0x0447;\n  t.chedescenderabkhasiancyrillic = 0x04bf;\n  t.chedescendercyrillic = 0x04b7;\n  t.chedieresiscyrillic = 0x04f5;\n  t.cheharmenian = 0x0573;\n  t.chekhakassiancyrillic = 0x04cc;\n  t.cheverticalstrokecyrillic = 0x04b9;\n  t.chi = 0x03c7;\n  t.chieuchacirclekorean = 0x3277;\n  t.chieuchaparenkorean = 0x3217;\n  t.chieuchcirclekorean = 0x3269;\n  t.chieuchkorean = 0x314a;\n  t.chieuchparenkorean = 0x3209;\n  t.chochangthai = 0x0e0a;\n  t.chochanthai = 0x0e08;\n  t.chochingthai = 0x0e09;\n  t.chochoethai = 0x0e0c;\n  t.chook = 0x0188;\n  t.cieucacirclekorean = 0x3276;\n  t.cieucaparenkorean = 0x3216;\n  t.cieuccirclekorean = 0x3268;\n  t.cieuckorean = 0x3148;\n  t.cieucparenkorean = 0x3208;\n  t.cieucuparenkorean = 0x321c;\n  t.circle = 0x25cb;\n  t.circlecopyrt = 0x00a9; // Glyph is missing from Adobe's original list.\n  t.circlemultiply = 0x2297;\n  t.circleot = 0x2299;\n  t.circleplus = 0x2295;\n  t.circlepostalmark = 0x3036;\n  t.circlewithlefthalfblack = 0x25d0;\n  t.circlewithrighthalfblack = 0x25d1;\n  t.circumflex = 0x02c6;\n  t.circumflexbelowcmb = 0x032d;\n  t.circumflexcmb = 0x0302;\n  t.clear = 0x2327;\n  t.clickalveolar = 0x01c2;\n  t.clickdental = 0x01c0;\n  t.clicklateral = 0x01c1;\n  t.clickretroflex = 0x01c3;\n  t.club = 0x2663;\n  t.clubsuitblack = 0x2663;\n  t.clubsuitwhite = 0x2667;\n  t.cmcubedsquare = 0x33a4;\n  t.cmonospace = 0xff43;\n  t.cmsquaredsquare = 0x33a0;\n  t.coarmenian = 0x0581;\n  t.colon = 0x003a;\n  t.colonmonetary = 0x20a1;\n  t.colonmonospace = 0xff1a;\n  t.colonsign = 0x20a1;\n  t.colonsmall = 0xfe55;\n  t.colontriangularhalfmod = 0x02d1;\n  t.colontriangularmod = 0x02d0;\n  t.comma = 0x002c;\n  t.commaabovecmb = 0x0313;\n  t.commaaboverightcmb = 0x0315;\n  t.commaaccent = 0xf6c3;\n  t.commaarabic = 0x060c;\n  t.commaarmenian = 0x055d;\n  t.commainferior = 0xf6e1;\n  t.commamonospace = 0xff0c;\n  t.commareversedabovecmb = 0x0314;\n  t.commareversedmod = 0x02bd;\n  t.commasmall = 0xfe50;\n  t.commasuperior = 0xf6e2;\n  t.commaturnedabovecmb = 0x0312;\n  t.commaturnedmod = 0x02bb;\n  t.compass = 0x263c;\n  t.congruent = 0x2245;\n  t.contourintegral = 0x222e;\n  t.control = 0x2303;\n  t.controlACK = 0x0006;\n  t.controlBEL = 0x0007;\n  t.controlBS = 0x0008;\n  t.controlCAN = 0x0018;\n  t.controlCR = 0x000d;\n  t.controlDC1 = 0x0011;\n  t.controlDC2 = 0x0012;\n  t.controlDC3 = 0x0013;\n  t.controlDC4 = 0x0014;\n  t.controlDEL = 0x007f;\n  t.controlDLE = 0x0010;\n  t.controlEM = 0x0019;\n  t.controlENQ = 0x0005;\n  t.controlEOT = 0x0004;\n  t.controlESC = 0x001b;\n  t.controlETB = 0x0017;\n  t.controlETX = 0x0003;\n  t.controlFF = 0x000c;\n  t.controlFS = 0x001c;\n  t.controlGS = 0x001d;\n  t.controlHT = 0x0009;\n  t.controlLF = 0x000a;\n  t.controlNAK = 0x0015;\n  t.controlNULL = 0x0000; // Glyph is missing from Adobe's original list.\n  t.controlRS = 0x001e;\n  t.controlSI = 0x000f;\n  t.controlSO = 0x000e;\n  t.controlSOT = 0x0002;\n  t.controlSTX = 0x0001;\n  t.controlSUB = 0x001a;\n  t.controlSYN = 0x0016;\n  t.controlUS = 0x001f;\n  t.controlVT = 0x000b;\n  t.copyright = 0x00a9;\n  t.copyrightsans = 0xf8e9;\n  t.copyrightserif = 0xf6d9;\n  t.cornerbracketleft = 0x300c;\n  t.cornerbracketlefthalfwidth = 0xff62;\n  t.cornerbracketleftvertical = 0xfe41;\n  t.cornerbracketright = 0x300d;\n  t.cornerbracketrighthalfwidth = 0xff63;\n  t.cornerbracketrightvertical = 0xfe42;\n  t.corporationsquare = 0x337f;\n  t.cosquare = 0x33c7;\n  t.coverkgsquare = 0x33c6;\n  t.cparen = 0x249e;\n  t.cruzeiro = 0x20a2;\n  t.cstretched = 0x0297;\n  t.curlyand = 0x22cf;\n  t.curlyor = 0x22ce;\n  t.currency = 0x00a4;\n  t.cyrBreve = 0xf6d1;\n  t.cyrFlex = 0xf6d2;\n  t.cyrbreve = 0xf6d4;\n  t.cyrflex = 0xf6d5;\n  t.d = 0x0064;\n  t.daarmenian = 0x0564;\n  t.dabengali = 0x09a6;\n  t.dadarabic = 0x0636;\n  t.dadeva = 0x0926;\n  t.dadfinalarabic = 0xfebe;\n  t.dadinitialarabic = 0xfebf;\n  t.dadmedialarabic = 0xfec0;\n  t.dagesh = 0x05bc;\n  t.dageshhebrew = 0x05bc;\n  t.dagger = 0x2020;\n  t.daggerdbl = 0x2021;\n  t.dagujarati = 0x0aa6;\n  t.dagurmukhi = 0x0a26;\n  t.dahiragana = 0x3060;\n  t.dakatakana = 0x30c0;\n  t.dalarabic = 0x062f;\n  t.dalet = 0x05d3;\n  t.daletdagesh = 0xfb33;\n  t.daletdageshhebrew = 0xfb33;\n  t.dalethebrew = 0x05d3;\n  t.dalfinalarabic = 0xfeaa;\n  t.dammaarabic = 0x064f;\n  t.dammalowarabic = 0x064f;\n  t.dammatanaltonearabic = 0x064c;\n  t.dammatanarabic = 0x064c;\n  t.danda = 0x0964;\n  t.dargahebrew = 0x05a7;\n  t.dargalefthebrew = 0x05a7;\n  t.dasiapneumatacyrilliccmb = 0x0485;\n  t.dblGrave = 0xf6d3;\n  t.dblanglebracketleft = 0x300a;\n  t.dblanglebracketleftvertical = 0xfe3d;\n  t.dblanglebracketright = 0x300b;\n  t.dblanglebracketrightvertical = 0xfe3e;\n  t.dblarchinvertedbelowcmb = 0x032b;\n  t.dblarrowleft = 0x21d4;\n  t.dblarrowright = 0x21d2;\n  t.dbldanda = 0x0965;\n  t.dblgrave = 0xf6d6;\n  t.dblgravecmb = 0x030f;\n  t.dblintegral = 0x222c;\n  t.dbllowline = 0x2017;\n  t.dbllowlinecmb = 0x0333;\n  t.dbloverlinecmb = 0x033f;\n  t.dblprimemod = 0x02ba;\n  t.dblverticalbar = 0x2016;\n  t.dblverticallineabovecmb = 0x030e;\n  t.dbopomofo = 0x3109;\n  t.dbsquare = 0x33c8;\n  t.dcaron = 0x010f;\n  t.dcedilla = 0x1e11;\n  t.dcircle = 0x24d3;\n  t.dcircumflexbelow = 0x1e13;\n  t.dcroat = 0x0111;\n  t.ddabengali = 0x09a1;\n  t.ddadeva = 0x0921;\n  t.ddagujarati = 0x0aa1;\n  t.ddagurmukhi = 0x0a21;\n  t.ddalarabic = 0x0688;\n  t.ddalfinalarabic = 0xfb89;\n  t.dddhadeva = 0x095c;\n  t.ddhabengali = 0x09a2;\n  t.ddhadeva = 0x0922;\n  t.ddhagujarati = 0x0aa2;\n  t.ddhagurmukhi = 0x0a22;\n  t.ddotaccent = 0x1e0b;\n  t.ddotbelow = 0x1e0d;\n  t.decimalseparatorarabic = 0x066b;\n  t.decimalseparatorpersian = 0x066b;\n  t.decyrillic = 0x0434;\n  t.degree = 0x00b0;\n  t.dehihebrew = 0x05ad;\n  t.dehiragana = 0x3067;\n  t.deicoptic = 0x03ef;\n  t.dekatakana = 0x30c7;\n  t.deleteleft = 0x232b;\n  t.deleteright = 0x2326;\n  t.delta = 0x03b4;\n  t.deltaturned = 0x018d;\n  t.denominatorminusonenumeratorbengali = 0x09f8;\n  t.dezh = 0x02a4;\n  t.dhabengali = 0x09a7;\n  t.dhadeva = 0x0927;\n  t.dhagujarati = 0x0aa7;\n  t.dhagurmukhi = 0x0a27;\n  t.dhook = 0x0257;\n  t.dialytikatonos = 0x0385;\n  t.dialytikatonoscmb = 0x0344;\n  t.diamond = 0x2666;\n  t.diamondsuitwhite = 0x2662;\n  t.dieresis = 0x00a8;\n  t.dieresisacute = 0xf6d7;\n  t.dieresisbelowcmb = 0x0324;\n  t.dieresiscmb = 0x0308;\n  t.dieresisgrave = 0xf6d8;\n  t.dieresistonos = 0x0385;\n  t.dihiragana = 0x3062;\n  t.dikatakana = 0x30c2;\n  t.dittomark = 0x3003;\n  t.divide = 0x00f7;\n  t.divides = 0x2223;\n  t.divisionslash = 0x2215;\n  t.djecyrillic = 0x0452;\n  t.dkshade = 0x2593;\n  t.dlinebelow = 0x1e0f;\n  t.dlsquare = 0x3397;\n  t.dmacron = 0x0111;\n  t.dmonospace = 0xff44;\n  t.dnblock = 0x2584;\n  t.dochadathai = 0x0e0e;\n  t.dodekthai = 0x0e14;\n  t.dohiragana = 0x3069;\n  t.dokatakana = 0x30c9;\n  t.dollar = 0x0024;\n  t.dollarinferior = 0xf6e3;\n  t.dollarmonospace = 0xff04;\n  t.dollaroldstyle = 0xf724;\n  t.dollarsmall = 0xfe69;\n  t.dollarsuperior = 0xf6e4;\n  t.dong = 0x20ab;\n  t.dorusquare = 0x3326;\n  t.dotaccent = 0x02d9;\n  t.dotaccentcmb = 0x0307;\n  t.dotbelowcmb = 0x0323;\n  t.dotbelowcomb = 0x0323;\n  t.dotkatakana = 0x30fb;\n  t.dotlessi = 0x0131;\n  t.dotlessj = 0xf6be;\n  t.dotlessjstrokehook = 0x0284;\n  t.dotmath = 0x22c5;\n  t.dottedcircle = 0x25cc;\n  t.doubleyodpatah = 0xfb1f;\n  t.doubleyodpatahhebrew = 0xfb1f;\n  t.downtackbelowcmb = 0x031e;\n  t.downtackmod = 0x02d5;\n  t.dparen = 0x249f;\n  t.dsuperior = 0xf6eb;\n  t.dtail = 0x0256;\n  t.dtopbar = 0x018c;\n  t.duhiragana = 0x3065;\n  t.dukatakana = 0x30c5;\n  t.dz = 0x01f3;\n  t.dzaltone = 0x02a3;\n  t.dzcaron = 0x01c6;\n  t.dzcurl = 0x02a5;\n  t.dzeabkhasiancyrillic = 0x04e1;\n  t.dzecyrillic = 0x0455;\n  t.dzhecyrillic = 0x045f;\n  t.e = 0x0065;\n  t.eacute = 0x00e9;\n  t.earth = 0x2641;\n  t.ebengali = 0x098f;\n  t.ebopomofo = 0x311c;\n  t.ebreve = 0x0115;\n  t.ecandradeva = 0x090d;\n  t.ecandragujarati = 0x0a8d;\n  t.ecandravowelsigndeva = 0x0945;\n  t.ecandravowelsigngujarati = 0x0ac5;\n  t.ecaron = 0x011b;\n  t.ecedillabreve = 0x1e1d;\n  t.echarmenian = 0x0565;\n  t.echyiwnarmenian = 0x0587;\n  t.ecircle = 0x24d4;\n  t.ecircumflex = 0x00ea;\n  t.ecircumflexacute = 0x1ebf;\n  t.ecircumflexbelow = 0x1e19;\n  t.ecircumflexdotbelow = 0x1ec7;\n  t.ecircumflexgrave = 0x1ec1;\n  t.ecircumflexhookabove = 0x1ec3;\n  t.ecircumflextilde = 0x1ec5;\n  t.ecyrillic = 0x0454;\n  t.edblgrave = 0x0205;\n  t.edeva = 0x090f;\n  t.edieresis = 0x00eb;\n  t.edot = 0x0117;\n  t.edotaccent = 0x0117;\n  t.edotbelow = 0x1eb9;\n  t.eegurmukhi = 0x0a0f;\n  t.eematragurmukhi = 0x0a47;\n  t.efcyrillic = 0x0444;\n  t.egrave = 0x00e8;\n  t.egujarati = 0x0a8f;\n  t.eharmenian = 0x0567;\n  t.ehbopomofo = 0x311d;\n  t.ehiragana = 0x3048;\n  t.ehookabove = 0x1ebb;\n  t.eibopomofo = 0x311f;\n  t.eight = 0x0038;\n  t.eightarabic = 0x0668;\n  t.eightbengali = 0x09ee;\n  t.eightcircle = 0x2467;\n  t.eightcircleinversesansserif = 0x2791;\n  t.eightdeva = 0x096e;\n  t.eighteencircle = 0x2471;\n  t.eighteenparen = 0x2485;\n  t.eighteenperiod = 0x2499;\n  t.eightgujarati = 0x0aee;\n  t.eightgurmukhi = 0x0a6e;\n  t.eighthackarabic = 0x0668;\n  t.eighthangzhou = 0x3028;\n  t.eighthnotebeamed = 0x266b;\n  t.eightideographicparen = 0x3227;\n  t.eightinferior = 0x2088;\n  t.eightmonospace = 0xff18;\n  t.eightoldstyle = 0xf738;\n  t.eightparen = 0x247b;\n  t.eightperiod = 0x248f;\n  t.eightpersian = 0x06f8;\n  t.eightroman = 0x2177;\n  t.eightsuperior = 0x2078;\n  t.eightthai = 0x0e58;\n  t.einvertedbreve = 0x0207;\n  t.eiotifiedcyrillic = 0x0465;\n  t.ekatakana = 0x30a8;\n  t.ekatakanahalfwidth = 0xff74;\n  t.ekonkargurmukhi = 0x0a74;\n  t.ekorean = 0x3154;\n  t.elcyrillic = 0x043b;\n  t.element = 0x2208;\n  t.elevencircle = 0x246a;\n  t.elevenparen = 0x247e;\n  t.elevenperiod = 0x2492;\n  t.elevenroman = 0x217a;\n  t.ellipsis = 0x2026;\n  t.ellipsisvertical = 0x22ee;\n  t.emacron = 0x0113;\n  t.emacronacute = 0x1e17;\n  t.emacrongrave = 0x1e15;\n  t.emcyrillic = 0x043c;\n  t.emdash = 0x2014;\n  t.emdashvertical = 0xfe31;\n  t.emonospace = 0xff45;\n  t.emphasismarkarmenian = 0x055b;\n  t.emptyset = 0x2205;\n  t.enbopomofo = 0x3123;\n  t.encyrillic = 0x043d;\n  t.endash = 0x2013;\n  t.endashvertical = 0xfe32;\n  t.endescendercyrillic = 0x04a3;\n  t.eng = 0x014b;\n  t.engbopomofo = 0x3125;\n  t.enghecyrillic = 0x04a5;\n  t.enhookcyrillic = 0x04c8;\n  t.enspace = 0x2002;\n  t.eogonek = 0x0119;\n  t.eokorean = 0x3153;\n  t.eopen = 0x025b;\n  t.eopenclosed = 0x029a;\n  t.eopenreversed = 0x025c;\n  t.eopenreversedclosed = 0x025e;\n  t.eopenreversedhook = 0x025d;\n  t.eparen = 0x24a0;\n  t.epsilon = 0x03b5;\n  t.epsilontonos = 0x03ad;\n  t.equal = 0x003d;\n  t.equalmonospace = 0xff1d;\n  t.equalsmall = 0xfe66;\n  t.equalsuperior = 0x207c;\n  t.equivalence = 0x2261;\n  t.erbopomofo = 0x3126;\n  t.ercyrillic = 0x0440;\n  t.ereversed = 0x0258;\n  t.ereversedcyrillic = 0x044d;\n  t.escyrillic = 0x0441;\n  t.esdescendercyrillic = 0x04ab;\n  t.esh = 0x0283;\n  t.eshcurl = 0x0286;\n  t.eshortdeva = 0x090e;\n  t.eshortvowelsigndeva = 0x0946;\n  t.eshreversedloop = 0x01aa;\n  t.eshsquatreversed = 0x0285;\n  t.esmallhiragana = 0x3047;\n  t.esmallkatakana = 0x30a7;\n  t.esmallkatakanahalfwidth = 0xff6a;\n  t.estimated = 0x212e;\n  t.esuperior = 0xf6ec;\n  t.eta = 0x03b7;\n  t.etarmenian = 0x0568;\n  t.etatonos = 0x03ae;\n  t.eth = 0x00f0;\n  t.etilde = 0x1ebd;\n  t.etildebelow = 0x1e1b;\n  t.etnahtafoukhhebrew = 0x0591;\n  t.etnahtafoukhlefthebrew = 0x0591;\n  t.etnahtahebrew = 0x0591;\n  t.etnahtalefthebrew = 0x0591;\n  t.eturned = 0x01dd;\n  t.eukorean = 0x3161;\n  t.euro = 0x20ac;\n  t.evowelsignbengali = 0x09c7;\n  t.evowelsigndeva = 0x0947;\n  t.evowelsigngujarati = 0x0ac7;\n  t.exclam = 0x0021;\n  t.exclamarmenian = 0x055c;\n  t.exclamdbl = 0x203c;\n  t.exclamdown = 0x00a1;\n  t.exclamdownsmall = 0xf7a1;\n  t.exclammonospace = 0xff01;\n  t.exclamsmall = 0xf721;\n  t.existential = 0x2203;\n  t.ezh = 0x0292;\n  t.ezhcaron = 0x01ef;\n  t.ezhcurl = 0x0293;\n  t.ezhreversed = 0x01b9;\n  t.ezhtail = 0x01ba;\n  t.f = 0x0066;\n  t.fadeva = 0x095e;\n  t.fagurmukhi = 0x0a5e;\n  t.fahrenheit = 0x2109;\n  t.fathaarabic = 0x064e;\n  t.fathalowarabic = 0x064e;\n  t.fathatanarabic = 0x064b;\n  t.fbopomofo = 0x3108;\n  t.fcircle = 0x24d5;\n  t.fdotaccent = 0x1e1f;\n  t.feharabic = 0x0641;\n  t.feharmenian = 0x0586;\n  t.fehfinalarabic = 0xfed2;\n  t.fehinitialarabic = 0xfed3;\n  t.fehmedialarabic = 0xfed4;\n  t.feicoptic = 0x03e5;\n  t.female = 0x2640;\n  t.ff = 0xfb00;\n  t.f_f = 0xfb00; // Fixes issue 11016.\n  t.ffi = 0xfb03;\n  t.ffl = 0xfb04;\n  t.fi = 0xfb01;\n  t.fifteencircle = 0x246e;\n  t.fifteenparen = 0x2482;\n  t.fifteenperiod = 0x2496;\n  t.figuredash = 0x2012;\n  t.filledbox = 0x25a0;\n  t.filledrect = 0x25ac;\n  t.finalkaf = 0x05da;\n  t.finalkafdagesh = 0xfb3a;\n  t.finalkafdageshhebrew = 0xfb3a;\n  t.finalkafhebrew = 0x05da;\n  t.finalmem = 0x05dd;\n  t.finalmemhebrew = 0x05dd;\n  t.finalnun = 0x05df;\n  t.finalnunhebrew = 0x05df;\n  t.finalpe = 0x05e3;\n  t.finalpehebrew = 0x05e3;\n  t.finaltsadi = 0x05e5;\n  t.finaltsadihebrew = 0x05e5;\n  t.firsttonechinese = 0x02c9;\n  t.fisheye = 0x25c9;\n  t.fitacyrillic = 0x0473;\n  t.five = 0x0035;\n  t.fivearabic = 0x0665;\n  t.fivebengali = 0x09eb;\n  t.fivecircle = 0x2464;\n  t.fivecircleinversesansserif = 0x278e;\n  t.fivedeva = 0x096b;\n  t.fiveeighths = 0x215d;\n  t.fivegujarati = 0x0aeb;\n  t.fivegurmukhi = 0x0a6b;\n  t.fivehackarabic = 0x0665;\n  t.fivehangzhou = 0x3025;\n  t.fiveideographicparen = 0x3224;\n  t.fiveinferior = 0x2085;\n  t.fivemonospace = 0xff15;\n  t.fiveoldstyle = 0xf735;\n  t.fiveparen = 0x2478;\n  t.fiveperiod = 0x248c;\n  t.fivepersian = 0x06f5;\n  t.fiveroman = 0x2174;\n  t.fivesuperior = 0x2075;\n  t.fivethai = 0x0e55;\n  t.fl = 0xfb02;\n  t.florin = 0x0192;\n  t.fmonospace = 0xff46;\n  t.fmsquare = 0x3399;\n  t.fofanthai = 0x0e1f;\n  t.fofathai = 0x0e1d;\n  t.fongmanthai = 0x0e4f;\n  t.forall = 0x2200;\n  t.four = 0x0034;\n  t.fourarabic = 0x0664;\n  t.fourbengali = 0x09ea;\n  t.fourcircle = 0x2463;\n  t.fourcircleinversesansserif = 0x278d;\n  t.fourdeva = 0x096a;\n  t.fourgujarati = 0x0aea;\n  t.fourgurmukhi = 0x0a6a;\n  t.fourhackarabic = 0x0664;\n  t.fourhangzhou = 0x3024;\n  t.fourideographicparen = 0x3223;\n  t.fourinferior = 0x2084;\n  t.fourmonospace = 0xff14;\n  t.fournumeratorbengali = 0x09f7;\n  t.fouroldstyle = 0xf734;\n  t.fourparen = 0x2477;\n  t.fourperiod = 0x248b;\n  t.fourpersian = 0x06f4;\n  t.fourroman = 0x2173;\n  t.foursuperior = 0x2074;\n  t.fourteencircle = 0x246d;\n  t.fourteenparen = 0x2481;\n  t.fourteenperiod = 0x2495;\n  t.fourthai = 0x0e54;\n  t.fourthtonechinese = 0x02cb;\n  t.fparen = 0x24a1;\n  t.fraction = 0x2044;\n  t.franc = 0x20a3;\n  t.g = 0x0067;\n  t.gabengali = 0x0997;\n  t.gacute = 0x01f5;\n  t.gadeva = 0x0917;\n  t.gafarabic = 0x06af;\n  t.gaffinalarabic = 0xfb93;\n  t.gafinitialarabic = 0xfb94;\n  t.gafmedialarabic = 0xfb95;\n  t.gagujarati = 0x0a97;\n  t.gagurmukhi = 0x0a17;\n  t.gahiragana = 0x304c;\n  t.gakatakana = 0x30ac;\n  t.gamma = 0x03b3;\n  t.gammalatinsmall = 0x0263;\n  t.gammasuperior = 0x02e0;\n  t.gangiacoptic = 0x03eb;\n  t.gbopomofo = 0x310d;\n  t.gbreve = 0x011f;\n  t.gcaron = 0x01e7;\n  t.gcedilla = 0x0123;\n  t.gcircle = 0x24d6;\n  t.gcircumflex = 0x011d;\n  t.gcommaaccent = 0x0123;\n  t.gdot = 0x0121;\n  t.gdotaccent = 0x0121;\n  t.gecyrillic = 0x0433;\n  t.gehiragana = 0x3052;\n  t.gekatakana = 0x30b2;\n  t.geometricallyequal = 0x2251;\n  t.gereshaccenthebrew = 0x059c;\n  t.gereshhebrew = 0x05f3;\n  t.gereshmuqdamhebrew = 0x059d;\n  t.germandbls = 0x00df;\n  t.gershayimaccenthebrew = 0x059e;\n  t.gershayimhebrew = 0x05f4;\n  t.getamark = 0x3013;\n  t.ghabengali = 0x0998;\n  t.ghadarmenian = 0x0572;\n  t.ghadeva = 0x0918;\n  t.ghagujarati = 0x0a98;\n  t.ghagurmukhi = 0x0a18;\n  t.ghainarabic = 0x063a;\n  t.ghainfinalarabic = 0xfece;\n  t.ghaininitialarabic = 0xfecf;\n  t.ghainmedialarabic = 0xfed0;\n  t.ghemiddlehookcyrillic = 0x0495;\n  t.ghestrokecyrillic = 0x0493;\n  t.gheupturncyrillic = 0x0491;\n  t.ghhadeva = 0x095a;\n  t.ghhagurmukhi = 0x0a5a;\n  t.ghook = 0x0260;\n  t.ghzsquare = 0x3393;\n  t.gihiragana = 0x304e;\n  t.gikatakana = 0x30ae;\n  t.gimarmenian = 0x0563;\n  t.gimel = 0x05d2;\n  t.gimeldagesh = 0xfb32;\n  t.gimeldageshhebrew = 0xfb32;\n  t.gimelhebrew = 0x05d2;\n  t.gjecyrillic = 0x0453;\n  t.glottalinvertedstroke = 0x01be;\n  t.glottalstop = 0x0294;\n  t.glottalstopinverted = 0x0296;\n  t.glottalstopmod = 0x02c0;\n  t.glottalstopreversed = 0x0295;\n  t.glottalstopreversedmod = 0x02c1;\n  t.glottalstopreversedsuperior = 0x02e4;\n  t.glottalstopstroke = 0x02a1;\n  t.glottalstopstrokereversed = 0x02a2;\n  t.gmacron = 0x1e21;\n  t.gmonospace = 0xff47;\n  t.gohiragana = 0x3054;\n  t.gokatakana = 0x30b4;\n  t.gparen = 0x24a2;\n  t.gpasquare = 0x33ac;\n  t.gradient = 0x2207;\n  t.grave = 0x0060;\n  t.gravebelowcmb = 0x0316;\n  t.gravecmb = 0x0300;\n  t.gravecomb = 0x0300;\n  t.gravedeva = 0x0953;\n  t.gravelowmod = 0x02ce;\n  t.gravemonospace = 0xff40;\n  t.gravetonecmb = 0x0340;\n  t.greater = 0x003e;\n  t.greaterequal = 0x2265;\n  t.greaterequalorless = 0x22db;\n  t.greatermonospace = 0xff1e;\n  t.greaterorequivalent = 0x2273;\n  t.greaterorless = 0x2277;\n  t.greateroverequal = 0x2267;\n  t.greatersmall = 0xfe65;\n  t.gscript = 0x0261;\n  t.gstroke = 0x01e5;\n  t.guhiragana = 0x3050;\n  t.guillemotleft = 0x00ab;\n  t.guillemotright = 0x00bb;\n  t.guilsinglleft = 0x2039;\n  t.guilsinglright = 0x203a;\n  t.gukatakana = 0x30b0;\n  t.guramusquare = 0x3318;\n  t.gysquare = 0x33c9;\n  t.h = 0x0068;\n  t.haabkhasiancyrillic = 0x04a9;\n  t.haaltonearabic = 0x06c1;\n  t.habengali = 0x09b9;\n  t.hadescendercyrillic = 0x04b3;\n  t.hadeva = 0x0939;\n  t.hagujarati = 0x0ab9;\n  t.hagurmukhi = 0x0a39;\n  t.haharabic = 0x062d;\n  t.hahfinalarabic = 0xfea2;\n  t.hahinitialarabic = 0xfea3;\n  t.hahiragana = 0x306f;\n  t.hahmedialarabic = 0xfea4;\n  t.haitusquare = 0x332a;\n  t.hakatakana = 0x30cf;\n  t.hakatakanahalfwidth = 0xff8a;\n  t.halantgurmukhi = 0x0a4d;\n  t.hamzaarabic = 0x0621;\n  t.hamzalowarabic = 0x0621;\n  t.hangulfiller = 0x3164;\n  t.hardsigncyrillic = 0x044a;\n  t.harpoonleftbarbup = 0x21bc;\n  t.harpoonrightbarbup = 0x21c0;\n  t.hasquare = 0x33ca;\n  t.hatafpatah = 0x05b2;\n  t.hatafpatah16 = 0x05b2;\n  t.hatafpatah23 = 0x05b2;\n  t.hatafpatah2f = 0x05b2;\n  t.hatafpatahhebrew = 0x05b2;\n  t.hatafpatahnarrowhebrew = 0x05b2;\n  t.hatafpatahquarterhebrew = 0x05b2;\n  t.hatafpatahwidehebrew = 0x05b2;\n  t.hatafqamats = 0x05b3;\n  t.hatafqamats1b = 0x05b3;\n  t.hatafqamats28 = 0x05b3;\n  t.hatafqamats34 = 0x05b3;\n  t.hatafqamatshebrew = 0x05b3;\n  t.hatafqamatsnarrowhebrew = 0x05b3;\n  t.hatafqamatsquarterhebrew = 0x05b3;\n  t.hatafqamatswidehebrew = 0x05b3;\n  t.hatafsegol = 0x05b1;\n  t.hatafsegol17 = 0x05b1;\n  t.hatafsegol24 = 0x05b1;\n  t.hatafsegol30 = 0x05b1;\n  t.hatafsegolhebrew = 0x05b1;\n  t.hatafsegolnarrowhebrew = 0x05b1;\n  t.hatafsegolquarterhebrew = 0x05b1;\n  t.hatafsegolwidehebrew = 0x05b1;\n  t.hbar = 0x0127;\n  t.hbopomofo = 0x310f;\n  t.hbrevebelow = 0x1e2b;\n  t.hcedilla = 0x1e29;\n  t.hcircle = 0x24d7;\n  t.hcircumflex = 0x0125;\n  t.hdieresis = 0x1e27;\n  t.hdotaccent = 0x1e23;\n  t.hdotbelow = 0x1e25;\n  t.he = 0x05d4;\n  t.heart = 0x2665;\n  t.heartsuitblack = 0x2665;\n  t.heartsuitwhite = 0x2661;\n  t.hedagesh = 0xfb34;\n  t.hedageshhebrew = 0xfb34;\n  t.hehaltonearabic = 0x06c1;\n  t.heharabic = 0x0647;\n  t.hehebrew = 0x05d4;\n  t.hehfinalaltonearabic = 0xfba7;\n  t.hehfinalalttwoarabic = 0xfeea;\n  t.hehfinalarabic = 0xfeea;\n  t.hehhamzaabovefinalarabic = 0xfba5;\n  t.hehhamzaaboveisolatedarabic = 0xfba4;\n  t.hehinitialaltonearabic = 0xfba8;\n  t.hehinitialarabic = 0xfeeb;\n  t.hehiragana = 0x3078;\n  t.hehmedialaltonearabic = 0xfba9;\n  t.hehmedialarabic = 0xfeec;\n  t.heiseierasquare = 0x337b;\n  t.hekatakana = 0x30d8;\n  t.hekatakanahalfwidth = 0xff8d;\n  t.hekutaarusquare = 0x3336;\n  t.henghook = 0x0267;\n  t.herutusquare = 0x3339;\n  t.het = 0x05d7;\n  t.hethebrew = 0x05d7;\n  t.hhook = 0x0266;\n  t.hhooksuperior = 0x02b1;\n  t.hieuhacirclekorean = 0x327b;\n  t.hieuhaparenkorean = 0x321b;\n  t.hieuhcirclekorean = 0x326d;\n  t.hieuhkorean = 0x314e;\n  t.hieuhparenkorean = 0x320d;\n  t.hihiragana = 0x3072;\n  t.hikatakana = 0x30d2;\n  t.hikatakanahalfwidth = 0xff8b;\n  t.hiriq = 0x05b4;\n  t.hiriq14 = 0x05b4;\n  t.hiriq21 = 0x05b4;\n  t.hiriq2d = 0x05b4;\n  t.hiriqhebrew = 0x05b4;\n  t.hiriqnarrowhebrew = 0x05b4;\n  t.hiriqquarterhebrew = 0x05b4;\n  t.hiriqwidehebrew = 0x05b4;\n  t.hlinebelow = 0x1e96;\n  t.hmonospace = 0xff48;\n  t.hoarmenian = 0x0570;\n  t.hohipthai = 0x0e2b;\n  t.hohiragana = 0x307b;\n  t.hokatakana = 0x30db;\n  t.hokatakanahalfwidth = 0xff8e;\n  t.holam = 0x05b9;\n  t.holam19 = 0x05b9;\n  t.holam26 = 0x05b9;\n  t.holam32 = 0x05b9;\n  t.holamhebrew = 0x05b9;\n  t.holamnarrowhebrew = 0x05b9;\n  t.holamquarterhebrew = 0x05b9;\n  t.holamwidehebrew = 0x05b9;\n  t.honokhukthai = 0x0e2e;\n  t.hookabovecomb = 0x0309;\n  t.hookcmb = 0x0309;\n  t.hookpalatalizedbelowcmb = 0x0321;\n  t.hookretroflexbelowcmb = 0x0322;\n  t.hoonsquare = 0x3342;\n  t.horicoptic = 0x03e9;\n  t.horizontalbar = 0x2015;\n  t.horncmb = 0x031b;\n  t.hotsprings = 0x2668;\n  t.house = 0x2302;\n  t.hparen = 0x24a3;\n  t.hsuperior = 0x02b0;\n  t.hturned = 0x0265;\n  t.huhiragana = 0x3075;\n  t.huiitosquare = 0x3333;\n  t.hukatakana = 0x30d5;\n  t.hukatakanahalfwidth = 0xff8c;\n  t.hungarumlaut = 0x02dd;\n  t.hungarumlautcmb = 0x030b;\n  t.hv = 0x0195;\n  t.hyphen = 0x002d;\n  t.hypheninferior = 0xf6e5;\n  t.hyphenmonospace = 0xff0d;\n  t.hyphensmall = 0xfe63;\n  t.hyphensuperior = 0xf6e6;\n  t.hyphentwo = 0x2010;\n  t.i = 0x0069;\n  t.iacute = 0x00ed;\n  t.iacyrillic = 0x044f;\n  t.ibengali = 0x0987;\n  t.ibopomofo = 0x3127;\n  t.ibreve = 0x012d;\n  t.icaron = 0x01d0;\n  t.icircle = 0x24d8;\n  t.icircumflex = 0x00ee;\n  t.icyrillic = 0x0456;\n  t.idblgrave = 0x0209;\n  t.ideographearthcircle = 0x328f;\n  t.ideographfirecircle = 0x328b;\n  t.ideographicallianceparen = 0x323f;\n  t.ideographiccallparen = 0x323a;\n  t.ideographiccentrecircle = 0x32a5;\n  t.ideographicclose = 0x3006;\n  t.ideographiccomma = 0x3001;\n  t.ideographiccommaleft = 0xff64;\n  t.ideographiccongratulationparen = 0x3237;\n  t.ideographiccorrectcircle = 0x32a3;\n  t.ideographicearthparen = 0x322f;\n  t.ideographicenterpriseparen = 0x323d;\n  t.ideographicexcellentcircle = 0x329d;\n  t.ideographicfestivalparen = 0x3240;\n  t.ideographicfinancialcircle = 0x3296;\n  t.ideographicfinancialparen = 0x3236;\n  t.ideographicfireparen = 0x322b;\n  t.ideographichaveparen = 0x3232;\n  t.ideographichighcircle = 0x32a4;\n  t.ideographiciterationmark = 0x3005;\n  t.ideographiclaborcircle = 0x3298;\n  t.ideographiclaborparen = 0x3238;\n  t.ideographicleftcircle = 0x32a7;\n  t.ideographiclowcircle = 0x32a6;\n  t.ideographicmedicinecircle = 0x32a9;\n  t.ideographicmetalparen = 0x322e;\n  t.ideographicmoonparen = 0x322a;\n  t.ideographicnameparen = 0x3234;\n  t.ideographicperiod = 0x3002;\n  t.ideographicprintcircle = 0x329e;\n  t.ideographicreachparen = 0x3243;\n  t.ideographicrepresentparen = 0x3239;\n  t.ideographicresourceparen = 0x323e;\n  t.ideographicrightcircle = 0x32a8;\n  t.ideographicsecretcircle = 0x3299;\n  t.ideographicselfparen = 0x3242;\n  t.ideographicsocietyparen = 0x3233;\n  t.ideographicspace = 0x3000;\n  t.ideographicspecialparen = 0x3235;\n  t.ideographicstockparen = 0x3231;\n  t.ideographicstudyparen = 0x323b;\n  t.ideographicsunparen = 0x3230;\n  t.ideographicsuperviseparen = 0x323c;\n  t.ideographicwaterparen = 0x322c;\n  t.ideographicwoodparen = 0x322d;\n  t.ideographiczero = 0x3007;\n  t.ideographmetalcircle = 0x328e;\n  t.ideographmooncircle = 0x328a;\n  t.ideographnamecircle = 0x3294;\n  t.ideographsuncircle = 0x3290;\n  t.ideographwatercircle = 0x328c;\n  t.ideographwoodcircle = 0x328d;\n  t.ideva = 0x0907;\n  t.idieresis = 0x00ef;\n  t.idieresisacute = 0x1e2f;\n  t.idieresiscyrillic = 0x04e5;\n  t.idotbelow = 0x1ecb;\n  t.iebrevecyrillic = 0x04d7;\n  t.iecyrillic = 0x0435;\n  t.ieungacirclekorean = 0x3275;\n  t.ieungaparenkorean = 0x3215;\n  t.ieungcirclekorean = 0x3267;\n  t.ieungkorean = 0x3147;\n  t.ieungparenkorean = 0x3207;\n  t.igrave = 0x00ec;\n  t.igujarati = 0x0a87;\n  t.igurmukhi = 0x0a07;\n  t.ihiragana = 0x3044;\n  t.ihookabove = 0x1ec9;\n  t.iibengali = 0x0988;\n  t.iicyrillic = 0x0438;\n  t.iideva = 0x0908;\n  t.iigujarati = 0x0a88;\n  t.iigurmukhi = 0x0a08;\n  t.iimatragurmukhi = 0x0a40;\n  t.iinvertedbreve = 0x020b;\n  t.iishortcyrillic = 0x0439;\n  t.iivowelsignbengali = 0x09c0;\n  t.iivowelsigndeva = 0x0940;\n  t.iivowelsigngujarati = 0x0ac0;\n  t.ij = 0x0133;\n  t.ikatakana = 0x30a4;\n  t.ikatakanahalfwidth = 0xff72;\n  t.ikorean = 0x3163;\n  t.ilde = 0x02dc;\n  t.iluyhebrew = 0x05ac;\n  t.imacron = 0x012b;\n  t.imacroncyrillic = 0x04e3;\n  t.imageorapproximatelyequal = 0x2253;\n  t.imatragurmukhi = 0x0a3f;\n  t.imonospace = 0xff49;\n  t.increment = 0x2206;\n  t.infinity = 0x221e;\n  t.iniarmenian = 0x056b;\n  t.integral = 0x222b;\n  t.integralbottom = 0x2321;\n  t.integralbt = 0x2321;\n  t.integralex = 0xf8f5;\n  t.integraltop = 0x2320;\n  t.integraltp = 0x2320;\n  t.intersection = 0x2229;\n  t.intisquare = 0x3305;\n  t.invbullet = 0x25d8;\n  t.invcircle = 0x25d9;\n  t.invsmileface = 0x263b;\n  t.iocyrillic = 0x0451;\n  t.iogonek = 0x012f;\n  t.iota = 0x03b9;\n  t.iotadieresis = 0x03ca;\n  t.iotadieresistonos = 0x0390;\n  t.iotalatin = 0x0269;\n  t.iotatonos = 0x03af;\n  t.iparen = 0x24a4;\n  t.irigurmukhi = 0x0a72;\n  t.ismallhiragana = 0x3043;\n  t.ismallkatakana = 0x30a3;\n  t.ismallkatakanahalfwidth = 0xff68;\n  t.issharbengali = 0x09fa;\n  t.istroke = 0x0268;\n  t.isuperior = 0xf6ed;\n  t.iterationhiragana = 0x309d;\n  t.iterationkatakana = 0x30fd;\n  t.itilde = 0x0129;\n  t.itildebelow = 0x1e2d;\n  t.iubopomofo = 0x3129;\n  t.iucyrillic = 0x044e;\n  t.ivowelsignbengali = 0x09bf;\n  t.ivowelsigndeva = 0x093f;\n  t.ivowelsigngujarati = 0x0abf;\n  t.izhitsacyrillic = 0x0475;\n  t.izhitsadblgravecyrillic = 0x0477;\n  t.j = 0x006a;\n  t.jaarmenian = 0x0571;\n  t.jabengali = 0x099c;\n  t.jadeva = 0x091c;\n  t.jagujarati = 0x0a9c;\n  t.jagurmukhi = 0x0a1c;\n  t.jbopomofo = 0x3110;\n  t.jcaron = 0x01f0;\n  t.jcircle = 0x24d9;\n  t.jcircumflex = 0x0135;\n  t.jcrossedtail = 0x029d;\n  t.jdotlessstroke = 0x025f;\n  t.jecyrillic = 0x0458;\n  t.jeemarabic = 0x062c;\n  t.jeemfinalarabic = 0xfe9e;\n  t.jeeminitialarabic = 0xfe9f;\n  t.jeemmedialarabic = 0xfea0;\n  t.jeharabic = 0x0698;\n  t.jehfinalarabic = 0xfb8b;\n  t.jhabengali = 0x099d;\n  t.jhadeva = 0x091d;\n  t.jhagujarati = 0x0a9d;\n  t.jhagurmukhi = 0x0a1d;\n  t.jheharmenian = 0x057b;\n  t.jis = 0x3004;\n  t.jmonospace = 0xff4a;\n  t.jparen = 0x24a5;\n  t.jsuperior = 0x02b2;\n  t.k = 0x006b;\n  t.kabashkircyrillic = 0x04a1;\n  t.kabengali = 0x0995;\n  t.kacute = 0x1e31;\n  t.kacyrillic = 0x043a;\n  t.kadescendercyrillic = 0x049b;\n  t.kadeva = 0x0915;\n  t.kaf = 0x05db;\n  t.kafarabic = 0x0643;\n  t.kafdagesh = 0xfb3b;\n  t.kafdageshhebrew = 0xfb3b;\n  t.kaffinalarabic = 0xfeda;\n  t.kafhebrew = 0x05db;\n  t.kafinitialarabic = 0xfedb;\n  t.kafmedialarabic = 0xfedc;\n  t.kafrafehebrew = 0xfb4d;\n  t.kagujarati = 0x0a95;\n  t.kagurmukhi = 0x0a15;\n  t.kahiragana = 0x304b;\n  t.kahookcyrillic = 0x04c4;\n  t.kakatakana = 0x30ab;\n  t.kakatakanahalfwidth = 0xff76;\n  t.kappa = 0x03ba;\n  t.kappasymbolgreek = 0x03f0;\n  t.kapyeounmieumkorean = 0x3171;\n  t.kapyeounphieuphkorean = 0x3184;\n  t.kapyeounpieupkorean = 0x3178;\n  t.kapyeounssangpieupkorean = 0x3179;\n  t.karoriisquare = 0x330d;\n  t.kashidaautoarabic = 0x0640;\n  t.kashidaautonosidebearingarabic = 0x0640;\n  t.kasmallkatakana = 0x30f5;\n  t.kasquare = 0x3384;\n  t.kasraarabic = 0x0650;\n  t.kasratanarabic = 0x064d;\n  t.kastrokecyrillic = 0x049f;\n  t.katahiraprolongmarkhalfwidth = 0xff70;\n  t.kaverticalstrokecyrillic = 0x049d;\n  t.kbopomofo = 0x310e;\n  t.kcalsquare = 0x3389;\n  t.kcaron = 0x01e9;\n  t.kcedilla = 0x0137;\n  t.kcircle = 0x24da;\n  t.kcommaaccent = 0x0137;\n  t.kdotbelow = 0x1e33;\n  t.keharmenian = 0x0584;\n  t.kehiragana = 0x3051;\n  t.kekatakana = 0x30b1;\n  t.kekatakanahalfwidth = 0xff79;\n  t.kenarmenian = 0x056f;\n  t.kesmallkatakana = 0x30f6;\n  t.kgreenlandic = 0x0138;\n  t.khabengali = 0x0996;\n  t.khacyrillic = 0x0445;\n  t.khadeva = 0x0916;\n  t.khagujarati = 0x0a96;\n  t.khagurmukhi = 0x0a16;\n  t.khaharabic = 0x062e;\n  t.khahfinalarabic = 0xfea6;\n  t.khahinitialarabic = 0xfea7;\n  t.khahmedialarabic = 0xfea8;\n  t.kheicoptic = 0x03e7;\n  t.khhadeva = 0x0959;\n  t.khhagurmukhi = 0x0a59;\n  t.khieukhacirclekorean = 0x3278;\n  t.khieukhaparenkorean = 0x3218;\n  t.khieukhcirclekorean = 0x326a;\n  t.khieukhkorean = 0x314b;\n  t.khieukhparenkorean = 0x320a;\n  t.khokhaithai = 0x0e02;\n  t.khokhonthai = 0x0e05;\n  t.khokhuatthai = 0x0e03;\n  t.khokhwaithai = 0x0e04;\n  t.khomutthai = 0x0e5b;\n  t.khook = 0x0199;\n  t.khorakhangthai = 0x0e06;\n  t.khzsquare = 0x3391;\n  t.kihiragana = 0x304d;\n  t.kikatakana = 0x30ad;\n  t.kikatakanahalfwidth = 0xff77;\n  t.kiroguramusquare = 0x3315;\n  t.kiromeetorusquare = 0x3316;\n  t.kirosquare = 0x3314;\n  t.kiyeokacirclekorean = 0x326e;\n  t.kiyeokaparenkorean = 0x320e;\n  t.kiyeokcirclekorean = 0x3260;\n  t.kiyeokkorean = 0x3131;\n  t.kiyeokparenkorean = 0x3200;\n  t.kiyeoksioskorean = 0x3133;\n  t.kjecyrillic = 0x045c;\n  t.klinebelow = 0x1e35;\n  t.klsquare = 0x3398;\n  t.kmcubedsquare = 0x33a6;\n  t.kmonospace = 0xff4b;\n  t.kmsquaredsquare = 0x33a2;\n  t.kohiragana = 0x3053;\n  t.kohmsquare = 0x33c0;\n  t.kokaithai = 0x0e01;\n  t.kokatakana = 0x30b3;\n  t.kokatakanahalfwidth = 0xff7a;\n  t.kooposquare = 0x331e;\n  t.koppacyrillic = 0x0481;\n  t.koreanstandardsymbol = 0x327f;\n  t.koroniscmb = 0x0343;\n  t.kparen = 0x24a6;\n  t.kpasquare = 0x33aa;\n  t.ksicyrillic = 0x046f;\n  t.ktsquare = 0x33cf;\n  t.kturned = 0x029e;\n  t.kuhiragana = 0x304f;\n  t.kukatakana = 0x30af;\n  t.kukatakanahalfwidth = 0xff78;\n  t.kvsquare = 0x33b8;\n  t.kwsquare = 0x33be;\n  t.l = 0x006c;\n  t.labengali = 0x09b2;\n  t.lacute = 0x013a;\n  t.ladeva = 0x0932;\n  t.lagujarati = 0x0ab2;\n  t.lagurmukhi = 0x0a32;\n  t.lakkhangyaothai = 0x0e45;\n  t.lamaleffinalarabic = 0xfefc;\n  t.lamalefhamzaabovefinalarabic = 0xfef8;\n  t.lamalefhamzaaboveisolatedarabic = 0xfef7;\n  t.lamalefhamzabelowfinalarabic = 0xfefa;\n  t.lamalefhamzabelowisolatedarabic = 0xfef9;\n  t.lamalefisolatedarabic = 0xfefb;\n  t.lamalefmaddaabovefinalarabic = 0xfef6;\n  t.lamalefmaddaaboveisolatedarabic = 0xfef5;\n  t.lamarabic = 0x0644;\n  t.lambda = 0x03bb;\n  t.lambdastroke = 0x019b;\n  t.lamed = 0x05dc;\n  t.lameddagesh = 0xfb3c;\n  t.lameddageshhebrew = 0xfb3c;\n  t.lamedhebrew = 0x05dc;\n  t.lamfinalarabic = 0xfede;\n  t.lamhahinitialarabic = 0xfcca;\n  t.laminitialarabic = 0xfedf;\n  t.lamjeeminitialarabic = 0xfcc9;\n  t.lamkhahinitialarabic = 0xfccb;\n  t.lamlamhehisolatedarabic = 0xfdf2;\n  t.lammedialarabic = 0xfee0;\n  t.lammeemhahinitialarabic = 0xfd88;\n  t.lammeeminitialarabic = 0xfccc;\n  t.largecircle = 0x25ef;\n  t.lbar = 0x019a;\n  t.lbelt = 0x026c;\n  t.lbopomofo = 0x310c;\n  t.lcaron = 0x013e;\n  t.lcedilla = 0x013c;\n  t.lcircle = 0x24db;\n  t.lcircumflexbelow = 0x1e3d;\n  t.lcommaaccent = 0x013c;\n  t.ldot = 0x0140;\n  t.ldotaccent = 0x0140;\n  t.ldotbelow = 0x1e37;\n  t.ldotbelowmacron = 0x1e39;\n  t.leftangleabovecmb = 0x031a;\n  t.lefttackbelowcmb = 0x0318;\n  t.less = 0x003c;\n  t.lessequal = 0x2264;\n  t.lessequalorgreater = 0x22da;\n  t.lessmonospace = 0xff1c;\n  t.lessorequivalent = 0x2272;\n  t.lessorgreater = 0x2276;\n  t.lessoverequal = 0x2266;\n  t.lesssmall = 0xfe64;\n  t.lezh = 0x026e;\n  t.lfblock = 0x258c;\n  t.lhookretroflex = 0x026d;\n  t.lira = 0x20a4;\n  t.liwnarmenian = 0x056c;\n  t.lj = 0x01c9;\n  t.ljecyrillic = 0x0459;\n  t.ll = 0xf6c0;\n  t.lladeva = 0x0933;\n  t.llagujarati = 0x0ab3;\n  t.llinebelow = 0x1e3b;\n  t.llladeva = 0x0934;\n  t.llvocalicbengali = 0x09e1;\n  t.llvocalicdeva = 0x0961;\n  t.llvocalicvowelsignbengali = 0x09e3;\n  t.llvocalicvowelsigndeva = 0x0963;\n  t.lmiddletilde = 0x026b;\n  t.lmonospace = 0xff4c;\n  t.lmsquare = 0x33d0;\n  t.lochulathai = 0x0e2c;\n  t.logicaland = 0x2227;\n  t.logicalnot = 0x00ac;\n  t.logicalnotreversed = 0x2310;\n  t.logicalor = 0x2228;\n  t.lolingthai = 0x0e25;\n  t.longs = 0x017f;\n  t.lowlinecenterline = 0xfe4e;\n  t.lowlinecmb = 0x0332;\n  t.lowlinedashed = 0xfe4d;\n  t.lozenge = 0x25ca;\n  t.lparen = 0x24a7;\n  t.lslash = 0x0142;\n  t.lsquare = 0x2113;\n  t.lsuperior = 0xf6ee;\n  t.ltshade = 0x2591;\n  t.luthai = 0x0e26;\n  t.lvocalicbengali = 0x098c;\n  t.lvocalicdeva = 0x090c;\n  t.lvocalicvowelsignbengali = 0x09e2;\n  t.lvocalicvowelsigndeva = 0x0962;\n  t.lxsquare = 0x33d3;\n  t.m = 0x006d;\n  t.mabengali = 0x09ae;\n  t.macron = 0x00af;\n  t.macronbelowcmb = 0x0331;\n  t.macroncmb = 0x0304;\n  t.macronlowmod = 0x02cd;\n  t.macronmonospace = 0xffe3;\n  t.macute = 0x1e3f;\n  t.madeva = 0x092e;\n  t.magujarati = 0x0aae;\n  t.magurmukhi = 0x0a2e;\n  t.mahapakhhebrew = 0x05a4;\n  t.mahapakhlefthebrew = 0x05a4;\n  t.mahiragana = 0x307e;\n  t.maichattawalowleftthai = 0xf895;\n  t.maichattawalowrightthai = 0xf894;\n  t.maichattawathai = 0x0e4b;\n  t.maichattawaupperleftthai = 0xf893;\n  t.maieklowleftthai = 0xf88c;\n  t.maieklowrightthai = 0xf88b;\n  t.maiekthai = 0x0e48;\n  t.maiekupperleftthai = 0xf88a;\n  t.maihanakatleftthai = 0xf884;\n  t.maihanakatthai = 0x0e31;\n  t.maitaikhuleftthai = 0xf889;\n  t.maitaikhuthai = 0x0e47;\n  t.maitholowleftthai = 0xf88f;\n  t.maitholowrightthai = 0xf88e;\n  t.maithothai = 0x0e49;\n  t.maithoupperleftthai = 0xf88d;\n  t.maitrilowleftthai = 0xf892;\n  t.maitrilowrightthai = 0xf891;\n  t.maitrithai = 0x0e4a;\n  t.maitriupperleftthai = 0xf890;\n  t.maiyamokthai = 0x0e46;\n  t.makatakana = 0x30de;\n  t.makatakanahalfwidth = 0xff8f;\n  t.male = 0x2642;\n  t.mansyonsquare = 0x3347;\n  t.maqafhebrew = 0x05be;\n  t.mars = 0x2642;\n  t.masoracirclehebrew = 0x05af;\n  t.masquare = 0x3383;\n  t.mbopomofo = 0x3107;\n  t.mbsquare = 0x33d4;\n  t.mcircle = 0x24dc;\n  t.mcubedsquare = 0x33a5;\n  t.mdotaccent = 0x1e41;\n  t.mdotbelow = 0x1e43;\n  t.meemarabic = 0x0645;\n  t.meemfinalarabic = 0xfee2;\n  t.meeminitialarabic = 0xfee3;\n  t.meemmedialarabic = 0xfee4;\n  t.meemmeeminitialarabic = 0xfcd1;\n  t.meemmeemisolatedarabic = 0xfc48;\n  t.meetorusquare = 0x334d;\n  t.mehiragana = 0x3081;\n  t.meizierasquare = 0x337e;\n  t.mekatakana = 0x30e1;\n  t.mekatakanahalfwidth = 0xff92;\n  t.mem = 0x05de;\n  t.memdagesh = 0xfb3e;\n  t.memdageshhebrew = 0xfb3e;\n  t.memhebrew = 0x05de;\n  t.menarmenian = 0x0574;\n  t.merkhahebrew = 0x05a5;\n  t.merkhakefulahebrew = 0x05a6;\n  t.merkhakefulalefthebrew = 0x05a6;\n  t.merkhalefthebrew = 0x05a5;\n  t.mhook = 0x0271;\n  t.mhzsquare = 0x3392;\n  t.middledotkatakanahalfwidth = 0xff65;\n  t.middot = 0x00b7;\n  t.mieumacirclekorean = 0x3272;\n  t.mieumaparenkorean = 0x3212;\n  t.mieumcirclekorean = 0x3264;\n  t.mieumkorean = 0x3141;\n  t.mieumpansioskorean = 0x3170;\n  t.mieumparenkorean = 0x3204;\n  t.mieumpieupkorean = 0x316e;\n  t.mieumsioskorean = 0x316f;\n  t.mihiragana = 0x307f;\n  t.mikatakana = 0x30df;\n  t.mikatakanahalfwidth = 0xff90;\n  t.minus = 0x2212;\n  t.minusbelowcmb = 0x0320;\n  t.minuscircle = 0x2296;\n  t.minusmod = 0x02d7;\n  t.minusplus = 0x2213;\n  t.minute = 0x2032;\n  t.miribaarusquare = 0x334a;\n  t.mirisquare = 0x3349;\n  t.mlonglegturned = 0x0270;\n  t.mlsquare = 0x3396;\n  t.mmcubedsquare = 0x33a3;\n  t.mmonospace = 0xff4d;\n  t.mmsquaredsquare = 0x339f;\n  t.mohiragana = 0x3082;\n  t.mohmsquare = 0x33c1;\n  t.mokatakana = 0x30e2;\n  t.mokatakanahalfwidth = 0xff93;\n  t.molsquare = 0x33d6;\n  t.momathai = 0x0e21;\n  t.moverssquare = 0x33a7;\n  t.moverssquaredsquare = 0x33a8;\n  t.mparen = 0x24a8;\n  t.mpasquare = 0x33ab;\n  t.mssquare = 0x33b3;\n  t.msuperior = 0xf6ef;\n  t.mturned = 0x026f;\n  t.mu = 0x00b5;\n  t.mu1 = 0x00b5;\n  t.muasquare = 0x3382;\n  t.muchgreater = 0x226b;\n  t.muchless = 0x226a;\n  t.mufsquare = 0x338c;\n  t.mugreek = 0x03bc;\n  t.mugsquare = 0x338d;\n  t.muhiragana = 0x3080;\n  t.mukatakana = 0x30e0;\n  t.mukatakanahalfwidth = 0xff91;\n  t.mulsquare = 0x3395;\n  t.multiply = 0x00d7;\n  t.mumsquare = 0x339b;\n  t.munahhebrew = 0x05a3;\n  t.munahlefthebrew = 0x05a3;\n  t.musicalnote = 0x266a;\n  t.musicalnotedbl = 0x266b;\n  t.musicflatsign = 0x266d;\n  t.musicsharpsign = 0x266f;\n  t.mussquare = 0x33b2;\n  t.muvsquare = 0x33b6;\n  t.muwsquare = 0x33bc;\n  t.mvmegasquare = 0x33b9;\n  t.mvsquare = 0x33b7;\n  t.mwmegasquare = 0x33bf;\n  t.mwsquare = 0x33bd;\n  t.n = 0x006e;\n  t.nabengali = 0x09a8;\n  t.nabla = 0x2207;\n  t.nacute = 0x0144;\n  t.nadeva = 0x0928;\n  t.nagujarati = 0x0aa8;\n  t.nagurmukhi = 0x0a28;\n  t.nahiragana = 0x306a;\n  t.nakatakana = 0x30ca;\n  t.nakatakanahalfwidth = 0xff85;\n  t.napostrophe = 0x0149;\n  t.nasquare = 0x3381;\n  t.nbopomofo = 0x310b;\n  t.nbspace = 0x00a0;\n  t.ncaron = 0x0148;\n  t.ncedilla = 0x0146;\n  t.ncircle = 0x24dd;\n  t.ncircumflexbelow = 0x1e4b;\n  t.ncommaaccent = 0x0146;\n  t.ndotaccent = 0x1e45;\n  t.ndotbelow = 0x1e47;\n  t.nehiragana = 0x306d;\n  t.nekatakana = 0x30cd;\n  t.nekatakanahalfwidth = 0xff88;\n  t.newsheqelsign = 0x20aa;\n  t.nfsquare = 0x338b;\n  t.ngabengali = 0x0999;\n  t.ngadeva = 0x0919;\n  t.ngagujarati = 0x0a99;\n  t.ngagurmukhi = 0x0a19;\n  t.ngonguthai = 0x0e07;\n  t.nhiragana = 0x3093;\n  t.nhookleft = 0x0272;\n  t.nhookretroflex = 0x0273;\n  t.nieunacirclekorean = 0x326f;\n  t.nieunaparenkorean = 0x320f;\n  t.nieuncieuckorean = 0x3135;\n  t.nieuncirclekorean = 0x3261;\n  t.nieunhieuhkorean = 0x3136;\n  t.nieunkorean = 0x3134;\n  t.nieunpansioskorean = 0x3168;\n  t.nieunparenkorean = 0x3201;\n  t.nieunsioskorean = 0x3167;\n  t.nieuntikeutkorean = 0x3166;\n  t.nihiragana = 0x306b;\n  t.nikatakana = 0x30cb;\n  t.nikatakanahalfwidth = 0xff86;\n  t.nikhahitleftthai = 0xf899;\n  t.nikhahitthai = 0x0e4d;\n  t.nine = 0x0039;\n  t.ninearabic = 0x0669;\n  t.ninebengali = 0x09ef;\n  t.ninecircle = 0x2468;\n  t.ninecircleinversesansserif = 0x2792;\n  t.ninedeva = 0x096f;\n  t.ninegujarati = 0x0aef;\n  t.ninegurmukhi = 0x0a6f;\n  t.ninehackarabic = 0x0669;\n  t.ninehangzhou = 0x3029;\n  t.nineideographicparen = 0x3228;\n  t.nineinferior = 0x2089;\n  t.ninemonospace = 0xff19;\n  t.nineoldstyle = 0xf739;\n  t.nineparen = 0x247c;\n  t.nineperiod = 0x2490;\n  t.ninepersian = 0x06f9;\n  t.nineroman = 0x2178;\n  t.ninesuperior = 0x2079;\n  t.nineteencircle = 0x2472;\n  t.nineteenparen = 0x2486;\n  t.nineteenperiod = 0x249a;\n  t.ninethai = 0x0e59;\n  t.nj = 0x01cc;\n  t.njecyrillic = 0x045a;\n  t.nkatakana = 0x30f3;\n  t.nkatakanahalfwidth = 0xff9d;\n  t.nlegrightlong = 0x019e;\n  t.nlinebelow = 0x1e49;\n  t.nmonospace = 0xff4e;\n  t.nmsquare = 0x339a;\n  t.nnabengali = 0x09a3;\n  t.nnadeva = 0x0923;\n  t.nnagujarati = 0x0aa3;\n  t.nnagurmukhi = 0x0a23;\n  t.nnnadeva = 0x0929;\n  t.nohiragana = 0x306e;\n  t.nokatakana = 0x30ce;\n  t.nokatakanahalfwidth = 0xff89;\n  t.nonbreakingspace = 0x00a0;\n  t.nonenthai = 0x0e13;\n  t.nonuthai = 0x0e19;\n  t.noonarabic = 0x0646;\n  t.noonfinalarabic = 0xfee6;\n  t.noonghunnaarabic = 0x06ba;\n  t.noonghunnafinalarabic = 0xfb9f;\n  t.nooninitialarabic = 0xfee7;\n  t.noonjeeminitialarabic = 0xfcd2;\n  t.noonjeemisolatedarabic = 0xfc4b;\n  t.noonmedialarabic = 0xfee8;\n  t.noonmeeminitialarabic = 0xfcd5;\n  t.noonmeemisolatedarabic = 0xfc4e;\n  t.noonnoonfinalarabic = 0xfc8d;\n  t.notcontains = 0x220c;\n  t.notelement = 0x2209;\n  t.notelementof = 0x2209;\n  t.notequal = 0x2260;\n  t.notgreater = 0x226f;\n  t.notgreaternorequal = 0x2271;\n  t.notgreaternorless = 0x2279;\n  t.notidentical = 0x2262;\n  t.notless = 0x226e;\n  t.notlessnorequal = 0x2270;\n  t.notparallel = 0x2226;\n  t.notprecedes = 0x2280;\n  t.notsubset = 0x2284;\n  t.notsucceeds = 0x2281;\n  t.notsuperset = 0x2285;\n  t.nowarmenian = 0x0576;\n  t.nparen = 0x24a9;\n  t.nssquare = 0x33b1;\n  t.nsuperior = 0x207f;\n  t.ntilde = 0x00f1;\n  t.nu = 0x03bd;\n  t.nuhiragana = 0x306c;\n  t.nukatakana = 0x30cc;\n  t.nukatakanahalfwidth = 0xff87;\n  t.nuktabengali = 0x09bc;\n  t.nuktadeva = 0x093c;\n  t.nuktagujarati = 0x0abc;\n  t.nuktagurmukhi = 0x0a3c;\n  t.numbersign = 0x0023;\n  t.numbersignmonospace = 0xff03;\n  t.numbersignsmall = 0xfe5f;\n  t.numeralsigngreek = 0x0374;\n  t.numeralsignlowergreek = 0x0375;\n  t.numero = 0x2116;\n  t.nun = 0x05e0;\n  t.nundagesh = 0xfb40;\n  t.nundageshhebrew = 0xfb40;\n  t.nunhebrew = 0x05e0;\n  t.nvsquare = 0x33b5;\n  t.nwsquare = 0x33bb;\n  t.nyabengali = 0x099e;\n  t.nyadeva = 0x091e;\n  t.nyagujarati = 0x0a9e;\n  t.nyagurmukhi = 0x0a1e;\n  t.o = 0x006f;\n  t.oacute = 0x00f3;\n  t.oangthai = 0x0e2d;\n  t.obarred = 0x0275;\n  t.obarredcyrillic = 0x04e9;\n  t.obarreddieresiscyrillic = 0x04eb;\n  t.obengali = 0x0993;\n  t.obopomofo = 0x311b;\n  t.obreve = 0x014f;\n  t.ocandradeva = 0x0911;\n  t.ocandragujarati = 0x0a91;\n  t.ocandravowelsigndeva = 0x0949;\n  t.ocandravowelsigngujarati = 0x0ac9;\n  t.ocaron = 0x01d2;\n  t.ocircle = 0x24de;\n  t.ocircumflex = 0x00f4;\n  t.ocircumflexacute = 0x1ed1;\n  t.ocircumflexdotbelow = 0x1ed9;\n  t.ocircumflexgrave = 0x1ed3;\n  t.ocircumflexhookabove = 0x1ed5;\n  t.ocircumflextilde = 0x1ed7;\n  t.ocyrillic = 0x043e;\n  t.odblacute = 0x0151;\n  t.odblgrave = 0x020d;\n  t.odeva = 0x0913;\n  t.odieresis = 0x00f6;\n  t.odieresiscyrillic = 0x04e7;\n  t.odotbelow = 0x1ecd;\n  t.oe = 0x0153;\n  t.oekorean = 0x315a;\n  t.ogonek = 0x02db;\n  t.ogonekcmb = 0x0328;\n  t.ograve = 0x00f2;\n  t.ogujarati = 0x0a93;\n  t.oharmenian = 0x0585;\n  t.ohiragana = 0x304a;\n  t.ohookabove = 0x1ecf;\n  t.ohorn = 0x01a1;\n  t.ohornacute = 0x1edb;\n  t.ohorndotbelow = 0x1ee3;\n  t.ohorngrave = 0x1edd;\n  t.ohornhookabove = 0x1edf;\n  t.ohorntilde = 0x1ee1;\n  t.ohungarumlaut = 0x0151;\n  t.oi = 0x01a3;\n  t.oinvertedbreve = 0x020f;\n  t.okatakana = 0x30aa;\n  t.okatakanahalfwidth = 0xff75;\n  t.okorean = 0x3157;\n  t.olehebrew = 0x05ab;\n  t.omacron = 0x014d;\n  t.omacronacute = 0x1e53;\n  t.omacrongrave = 0x1e51;\n  t.omdeva = 0x0950;\n  t.omega = 0x03c9;\n  t.omega1 = 0x03d6;\n  t.omegacyrillic = 0x0461;\n  t.omegalatinclosed = 0x0277;\n  t.omegaroundcyrillic = 0x047b;\n  t.omegatitlocyrillic = 0x047d;\n  t.omegatonos = 0x03ce;\n  t.omgujarati = 0x0ad0;\n  t.omicron = 0x03bf;\n  t.omicrontonos = 0x03cc;\n  t.omonospace = 0xff4f;\n  t.one = 0x0031;\n  t.onearabic = 0x0661;\n  t.onebengali = 0x09e7;\n  t.onecircle = 0x2460;\n  t.onecircleinversesansserif = 0x278a;\n  t.onedeva = 0x0967;\n  t.onedotenleader = 0x2024;\n  t.oneeighth = 0x215b;\n  t.onefitted = 0xf6dc;\n  t.onegujarati = 0x0ae7;\n  t.onegurmukhi = 0x0a67;\n  t.onehackarabic = 0x0661;\n  t.onehalf = 0x00bd;\n  t.onehangzhou = 0x3021;\n  t.oneideographicparen = 0x3220;\n  t.oneinferior = 0x2081;\n  t.onemonospace = 0xff11;\n  t.onenumeratorbengali = 0x09f4;\n  t.oneoldstyle = 0xf731;\n  t.oneparen = 0x2474;\n  t.oneperiod = 0x2488;\n  t.onepersian = 0x06f1;\n  t.onequarter = 0x00bc;\n  t.oneroman = 0x2170;\n  t.onesuperior = 0x00b9;\n  t.onethai = 0x0e51;\n  t.onethird = 0x2153;\n  t.oogonek = 0x01eb;\n  t.oogonekmacron = 0x01ed;\n  t.oogurmukhi = 0x0a13;\n  t.oomatragurmukhi = 0x0a4b;\n  t.oopen = 0x0254;\n  t.oparen = 0x24aa;\n  t.openbullet = 0x25e6;\n  t.option = 0x2325;\n  t.ordfeminine = 0x00aa;\n  t.ordmasculine = 0x00ba;\n  t.orthogonal = 0x221f;\n  t.oshortdeva = 0x0912;\n  t.oshortvowelsigndeva = 0x094a;\n  t.oslash = 0x00f8;\n  t.oslashacute = 0x01ff;\n  t.osmallhiragana = 0x3049;\n  t.osmallkatakana = 0x30a9;\n  t.osmallkatakanahalfwidth = 0xff6b;\n  t.ostrokeacute = 0x01ff;\n  t.osuperior = 0xf6f0;\n  t.otcyrillic = 0x047f;\n  t.otilde = 0x00f5;\n  t.otildeacute = 0x1e4d;\n  t.otildedieresis = 0x1e4f;\n  t.oubopomofo = 0x3121;\n  t.overline = 0x203e;\n  t.overlinecenterline = 0xfe4a;\n  t.overlinecmb = 0x0305;\n  t.overlinedashed = 0xfe49;\n  t.overlinedblwavy = 0xfe4c;\n  t.overlinewavy = 0xfe4b;\n  t.overscore = 0x00af;\n  t.ovowelsignbengali = 0x09cb;\n  t.ovowelsigndeva = 0x094b;\n  t.ovowelsigngujarati = 0x0acb;\n  t.p = 0x0070;\n  t.paampssquare = 0x3380;\n  t.paasentosquare = 0x332b;\n  t.pabengali = 0x09aa;\n  t.pacute = 0x1e55;\n  t.padeva = 0x092a;\n  t.pagedown = 0x21df;\n  t.pageup = 0x21de;\n  t.pagujarati = 0x0aaa;\n  t.pagurmukhi = 0x0a2a;\n  t.pahiragana = 0x3071;\n  t.paiyannoithai = 0x0e2f;\n  t.pakatakana = 0x30d1;\n  t.palatalizationcyrilliccmb = 0x0484;\n  t.palochkacyrillic = 0x04c0;\n  t.pansioskorean = 0x317f;\n  t.paragraph = 0x00b6;\n  t.parallel = 0x2225;\n  t.parenleft = 0x0028;\n  t.parenleftaltonearabic = 0xfd3e;\n  t.parenleftbt = 0xf8ed;\n  t.parenleftex = 0xf8ec;\n  t.parenleftinferior = 0x208d;\n  t.parenleftmonospace = 0xff08;\n  t.parenleftsmall = 0xfe59;\n  t.parenleftsuperior = 0x207d;\n  t.parenlefttp = 0xf8eb;\n  t.parenleftvertical = 0xfe35;\n  t.parenright = 0x0029;\n  t.parenrightaltonearabic = 0xfd3f;\n  t.parenrightbt = 0xf8f8;\n  t.parenrightex = 0xf8f7;\n  t.parenrightinferior = 0x208e;\n  t.parenrightmonospace = 0xff09;\n  t.parenrightsmall = 0xfe5a;\n  t.parenrightsuperior = 0x207e;\n  t.parenrighttp = 0xf8f6;\n  t.parenrightvertical = 0xfe36;\n  t.partialdiff = 0x2202;\n  t.paseqhebrew = 0x05c0;\n  t.pashtahebrew = 0x0599;\n  t.pasquare = 0x33a9;\n  t.patah = 0x05b7;\n  t.patah11 = 0x05b7;\n  t.patah1d = 0x05b7;\n  t.patah2a = 0x05b7;\n  t.patahhebrew = 0x05b7;\n  t.patahnarrowhebrew = 0x05b7;\n  t.patahquarterhebrew = 0x05b7;\n  t.patahwidehebrew = 0x05b7;\n  t.pazerhebrew = 0x05a1;\n  t.pbopomofo = 0x3106;\n  t.pcircle = 0x24df;\n  t.pdotaccent = 0x1e57;\n  t.pe = 0x05e4;\n  t.pecyrillic = 0x043f;\n  t.pedagesh = 0xfb44;\n  t.pedageshhebrew = 0xfb44;\n  t.peezisquare = 0x333b;\n  t.pefinaldageshhebrew = 0xfb43;\n  t.peharabic = 0x067e;\n  t.peharmenian = 0x057a;\n  t.pehebrew = 0x05e4;\n  t.pehfinalarabic = 0xfb57;\n  t.pehinitialarabic = 0xfb58;\n  t.pehiragana = 0x307a;\n  t.pehmedialarabic = 0xfb59;\n  t.pekatakana = 0x30da;\n  t.pemiddlehookcyrillic = 0x04a7;\n  t.perafehebrew = 0xfb4e;\n  t.percent = 0x0025;\n  t.percentarabic = 0x066a;\n  t.percentmonospace = 0xff05;\n  t.percentsmall = 0xfe6a;\n  t.period = 0x002e;\n  t.periodarmenian = 0x0589;\n  t.periodcentered = 0x00b7;\n  t.periodhalfwidth = 0xff61;\n  t.periodinferior = 0xf6e7;\n  t.periodmonospace = 0xff0e;\n  t.periodsmall = 0xfe52;\n  t.periodsuperior = 0xf6e8;\n  t.perispomenigreekcmb = 0x0342;\n  t.perpendicular = 0x22a5;\n  t.perthousand = 0x2030;\n  t.peseta = 0x20a7;\n  t.pfsquare = 0x338a;\n  t.phabengali = 0x09ab;\n  t.phadeva = 0x092b;\n  t.phagujarati = 0x0aab;\n  t.phagurmukhi = 0x0a2b;\n  t.phi = 0x03c6;\n  t.phi1 = 0x03d5;\n  t.phieuphacirclekorean = 0x327a;\n  t.phieuphaparenkorean = 0x321a;\n  t.phieuphcirclekorean = 0x326c;\n  t.phieuphkorean = 0x314d;\n  t.phieuphparenkorean = 0x320c;\n  t.philatin = 0x0278;\n  t.phinthuthai = 0x0e3a;\n  t.phisymbolgreek = 0x03d5;\n  t.phook = 0x01a5;\n  t.phophanthai = 0x0e1e;\n  t.phophungthai = 0x0e1c;\n  t.phosamphaothai = 0x0e20;\n  t.pi = 0x03c0;\n  t.pieupacirclekorean = 0x3273;\n  t.pieupaparenkorean = 0x3213;\n  t.pieupcieuckorean = 0x3176;\n  t.pieupcirclekorean = 0x3265;\n  t.pieupkiyeokkorean = 0x3172;\n  t.pieupkorean = 0x3142;\n  t.pieupparenkorean = 0x3205;\n  t.pieupsioskiyeokkorean = 0x3174;\n  t.pieupsioskorean = 0x3144;\n  t.pieupsiostikeutkorean = 0x3175;\n  t.pieupthieuthkorean = 0x3177;\n  t.pieuptikeutkorean = 0x3173;\n  t.pihiragana = 0x3074;\n  t.pikatakana = 0x30d4;\n  t.pisymbolgreek = 0x03d6;\n  t.piwrarmenian = 0x0583;\n  t.plus = 0x002b;\n  t.plusbelowcmb = 0x031f;\n  t.pluscircle = 0x2295;\n  t.plusminus = 0x00b1;\n  t.plusmod = 0x02d6;\n  t.plusmonospace = 0xff0b;\n  t.plussmall = 0xfe62;\n  t.plussuperior = 0x207a;\n  t.pmonospace = 0xff50;\n  t.pmsquare = 0x33d8;\n  t.pohiragana = 0x307d;\n  t.pointingindexdownwhite = 0x261f;\n  t.pointingindexleftwhite = 0x261c;\n  t.pointingindexrightwhite = 0x261e;\n  t.pointingindexupwhite = 0x261d;\n  t.pokatakana = 0x30dd;\n  t.poplathai = 0x0e1b;\n  t.postalmark = 0x3012;\n  t.postalmarkface = 0x3020;\n  t.pparen = 0x24ab;\n  t.precedes = 0x227a;\n  t.prescription = 0x211e;\n  t.primemod = 0x02b9;\n  t.primereversed = 0x2035;\n  t.product = 0x220f;\n  t.projective = 0x2305;\n  t.prolongedkana = 0x30fc;\n  t.propellor = 0x2318;\n  t.propersubset = 0x2282;\n  t.propersuperset = 0x2283;\n  t.proportion = 0x2237;\n  t.proportional = 0x221d;\n  t.psi = 0x03c8;\n  t.psicyrillic = 0x0471;\n  t.psilipneumatacyrilliccmb = 0x0486;\n  t.pssquare = 0x33b0;\n  t.puhiragana = 0x3077;\n  t.pukatakana = 0x30d7;\n  t.pvsquare = 0x33b4;\n  t.pwsquare = 0x33ba;\n  t.q = 0x0071;\n  t.qadeva = 0x0958;\n  t.qadmahebrew = 0x05a8;\n  t.qafarabic = 0x0642;\n  t.qaffinalarabic = 0xfed6;\n  t.qafinitialarabic = 0xfed7;\n  t.qafmedialarabic = 0xfed8;\n  t.qamats = 0x05b8;\n  t.qamats10 = 0x05b8;\n  t.qamats1a = 0x05b8;\n  t.qamats1c = 0x05b8;\n  t.qamats27 = 0x05b8;\n  t.qamats29 = 0x05b8;\n  t.qamats33 = 0x05b8;\n  t.qamatsde = 0x05b8;\n  t.qamatshebrew = 0x05b8;\n  t.qamatsnarrowhebrew = 0x05b8;\n  t.qamatsqatanhebrew = 0x05b8;\n  t.qamatsqatannarrowhebrew = 0x05b8;\n  t.qamatsqatanquarterhebrew = 0x05b8;\n  t.qamatsqatanwidehebrew = 0x05b8;\n  t.qamatsquarterhebrew = 0x05b8;\n  t.qamatswidehebrew = 0x05b8;\n  t.qarneyparahebrew = 0x059f;\n  t.qbopomofo = 0x3111;\n  t.qcircle = 0x24e0;\n  t.qhook = 0x02a0;\n  t.qmonospace = 0xff51;\n  t.qof = 0x05e7;\n  t.qofdagesh = 0xfb47;\n  t.qofdageshhebrew = 0xfb47;\n  t.qofhebrew = 0x05e7;\n  t.qparen = 0x24ac;\n  t.quarternote = 0x2669;\n  t.qubuts = 0x05bb;\n  t.qubuts18 = 0x05bb;\n  t.qubuts25 = 0x05bb;\n  t.qubuts31 = 0x05bb;\n  t.qubutshebrew = 0x05bb;\n  t.qubutsnarrowhebrew = 0x05bb;\n  t.qubutsquarterhebrew = 0x05bb;\n  t.qubutswidehebrew = 0x05bb;\n  t.question = 0x003f;\n  t.questionarabic = 0x061f;\n  t.questionarmenian = 0x055e;\n  t.questiondown = 0x00bf;\n  t.questiondownsmall = 0xf7bf;\n  t.questiongreek = 0x037e;\n  t.questionmonospace = 0xff1f;\n  t.questionsmall = 0xf73f;\n  t.quotedbl = 0x0022;\n  t.quotedblbase = 0x201e;\n  t.quotedblleft = 0x201c;\n  t.quotedblmonospace = 0xff02;\n  t.quotedblprime = 0x301e;\n  t.quotedblprimereversed = 0x301d;\n  t.quotedblright = 0x201d;\n  t.quoteleft = 0x2018;\n  t.quoteleftreversed = 0x201b;\n  t.quotereversed = 0x201b;\n  t.quoteright = 0x2019;\n  t.quoterightn = 0x0149;\n  t.quotesinglbase = 0x201a;\n  t.quotesingle = 0x0027;\n  t.quotesinglemonospace = 0xff07;\n  t.r = 0x0072;\n  t.raarmenian = 0x057c;\n  t.rabengali = 0x09b0;\n  t.racute = 0x0155;\n  t.radeva = 0x0930;\n  t.radical = 0x221a;\n  t.radicalex = 0xf8e5;\n  t.radoverssquare = 0x33ae;\n  t.radoverssquaredsquare = 0x33af;\n  t.radsquare = 0x33ad;\n  t.rafe = 0x05bf;\n  t.rafehebrew = 0x05bf;\n  t.ragujarati = 0x0ab0;\n  t.ragurmukhi = 0x0a30;\n  t.rahiragana = 0x3089;\n  t.rakatakana = 0x30e9;\n  t.rakatakanahalfwidth = 0xff97;\n  t.ralowerdiagonalbengali = 0x09f1;\n  t.ramiddlediagonalbengali = 0x09f0;\n  t.ramshorn = 0x0264;\n  t.ratio = 0x2236;\n  t.rbopomofo = 0x3116;\n  t.rcaron = 0x0159;\n  t.rcedilla = 0x0157;\n  t.rcircle = 0x24e1;\n  t.rcommaaccent = 0x0157;\n  t.rdblgrave = 0x0211;\n  t.rdotaccent = 0x1e59;\n  t.rdotbelow = 0x1e5b;\n  t.rdotbelowmacron = 0x1e5d;\n  t.referencemark = 0x203b;\n  t.reflexsubset = 0x2286;\n  t.reflexsuperset = 0x2287;\n  t.registered = 0x00ae;\n  t.registersans = 0xf8e8;\n  t.registerserif = 0xf6da;\n  t.reharabic = 0x0631;\n  t.reharmenian = 0x0580;\n  t.rehfinalarabic = 0xfeae;\n  t.rehiragana = 0x308c;\n  t.rekatakana = 0x30ec;\n  t.rekatakanahalfwidth = 0xff9a;\n  t.resh = 0x05e8;\n  t.reshdageshhebrew = 0xfb48;\n  t.reshhebrew = 0x05e8;\n  t.reversedtilde = 0x223d;\n  t.reviahebrew = 0x0597;\n  t.reviamugrashhebrew = 0x0597;\n  t.revlogicalnot = 0x2310;\n  t.rfishhook = 0x027e;\n  t.rfishhookreversed = 0x027f;\n  t.rhabengali = 0x09dd;\n  t.rhadeva = 0x095d;\n  t.rho = 0x03c1;\n  t.rhook = 0x027d;\n  t.rhookturned = 0x027b;\n  t.rhookturnedsuperior = 0x02b5;\n  t.rhosymbolgreek = 0x03f1;\n  t.rhotichookmod = 0x02de;\n  t.rieulacirclekorean = 0x3271;\n  t.rieulaparenkorean = 0x3211;\n  t.rieulcirclekorean = 0x3263;\n  t.rieulhieuhkorean = 0x3140;\n  t.rieulkiyeokkorean = 0x313a;\n  t.rieulkiyeoksioskorean = 0x3169;\n  t.rieulkorean = 0x3139;\n  t.rieulmieumkorean = 0x313b;\n  t.rieulpansioskorean = 0x316c;\n  t.rieulparenkorean = 0x3203;\n  t.rieulphieuphkorean = 0x313f;\n  t.rieulpieupkorean = 0x313c;\n  t.rieulpieupsioskorean = 0x316b;\n  t.rieulsioskorean = 0x313d;\n  t.rieulthieuthkorean = 0x313e;\n  t.rieultikeutkorean = 0x316a;\n  t.rieulyeorinhieuhkorean = 0x316d;\n  t.rightangle = 0x221f;\n  t.righttackbelowcmb = 0x0319;\n  t.righttriangle = 0x22bf;\n  t.rihiragana = 0x308a;\n  t.rikatakana = 0x30ea;\n  t.rikatakanahalfwidth = 0xff98;\n  t.ring = 0x02da;\n  t.ringbelowcmb = 0x0325;\n  t.ringcmb = 0x030a;\n  t.ringhalfleft = 0x02bf;\n  t.ringhalfleftarmenian = 0x0559;\n  t.ringhalfleftbelowcmb = 0x031c;\n  t.ringhalfleftcentered = 0x02d3;\n  t.ringhalfright = 0x02be;\n  t.ringhalfrightbelowcmb = 0x0339;\n  t.ringhalfrightcentered = 0x02d2;\n  t.rinvertedbreve = 0x0213;\n  t.rittorusquare = 0x3351;\n  t.rlinebelow = 0x1e5f;\n  t.rlongleg = 0x027c;\n  t.rlonglegturned = 0x027a;\n  t.rmonospace = 0xff52;\n  t.rohiragana = 0x308d;\n  t.rokatakana = 0x30ed;\n  t.rokatakanahalfwidth = 0xff9b;\n  t.roruathai = 0x0e23;\n  t.rparen = 0x24ad;\n  t.rrabengali = 0x09dc;\n  t.rradeva = 0x0931;\n  t.rragurmukhi = 0x0a5c;\n  t.rreharabic = 0x0691;\n  t.rrehfinalarabic = 0xfb8d;\n  t.rrvocalicbengali = 0x09e0;\n  t.rrvocalicdeva = 0x0960;\n  t.rrvocalicgujarati = 0x0ae0;\n  t.rrvocalicvowelsignbengali = 0x09c4;\n  t.rrvocalicvowelsigndeva = 0x0944;\n  t.rrvocalicvowelsigngujarati = 0x0ac4;\n  t.rsuperior = 0xf6f1;\n  t.rtblock = 0x2590;\n  t.rturned = 0x0279;\n  t.rturnedsuperior = 0x02b4;\n  t.ruhiragana = 0x308b;\n  t.rukatakana = 0x30eb;\n  t.rukatakanahalfwidth = 0xff99;\n  t.rupeemarkbengali = 0x09f2;\n  t.rupeesignbengali = 0x09f3;\n  t.rupiah = 0xf6dd;\n  t.ruthai = 0x0e24;\n  t.rvocalicbengali = 0x098b;\n  t.rvocalicdeva = 0x090b;\n  t.rvocalicgujarati = 0x0a8b;\n  t.rvocalicvowelsignbengali = 0x09c3;\n  t.rvocalicvowelsigndeva = 0x0943;\n  t.rvocalicvowelsigngujarati = 0x0ac3;\n  t.s = 0x0073;\n  t.sabengali = 0x09b8;\n  t.sacute = 0x015b;\n  t.sacutedotaccent = 0x1e65;\n  t.sadarabic = 0x0635;\n  t.sadeva = 0x0938;\n  t.sadfinalarabic = 0xfeba;\n  t.sadinitialarabic = 0xfebb;\n  t.sadmedialarabic = 0xfebc;\n  t.sagujarati = 0x0ab8;\n  t.sagurmukhi = 0x0a38;\n  t.sahiragana = 0x3055;\n  t.sakatakana = 0x30b5;\n  t.sakatakanahalfwidth = 0xff7b;\n  t.sallallahoualayhewasallamarabic = 0xfdfa;\n  t.samekh = 0x05e1;\n  t.samekhdagesh = 0xfb41;\n  t.samekhdageshhebrew = 0xfb41;\n  t.samekhhebrew = 0x05e1;\n  t.saraaathai = 0x0e32;\n  t.saraaethai = 0x0e41;\n  t.saraaimaimalaithai = 0x0e44;\n  t.saraaimaimuanthai = 0x0e43;\n  t.saraamthai = 0x0e33;\n  t.saraathai = 0x0e30;\n  t.saraethai = 0x0e40;\n  t.saraiileftthai = 0xf886;\n  t.saraiithai = 0x0e35;\n  t.saraileftthai = 0xf885;\n  t.saraithai = 0x0e34;\n  t.saraothai = 0x0e42;\n  t.saraueeleftthai = 0xf888;\n  t.saraueethai = 0x0e37;\n  t.saraueleftthai = 0xf887;\n  t.sarauethai = 0x0e36;\n  t.sarauthai = 0x0e38;\n  t.sarauuthai = 0x0e39;\n  t.sbopomofo = 0x3119;\n  t.scaron = 0x0161;\n  t.scarondotaccent = 0x1e67;\n  t.scedilla = 0x015f;\n  t.schwa = 0x0259;\n  t.schwacyrillic = 0x04d9;\n  t.schwadieresiscyrillic = 0x04db;\n  t.schwahook = 0x025a;\n  t.scircle = 0x24e2;\n  t.scircumflex = 0x015d;\n  t.scommaaccent = 0x0219;\n  t.sdotaccent = 0x1e61;\n  t.sdotbelow = 0x1e63;\n  t.sdotbelowdotaccent = 0x1e69;\n  t.seagullbelowcmb = 0x033c;\n  t.second = 0x2033;\n  t.secondtonechinese = 0x02ca;\n  t.section = 0x00a7;\n  t.seenarabic = 0x0633;\n  t.seenfinalarabic = 0xfeb2;\n  t.seeninitialarabic = 0xfeb3;\n  t.seenmedialarabic = 0xfeb4;\n  t.segol = 0x05b6;\n  t.segol13 = 0x05b6;\n  t.segol1f = 0x05b6;\n  t.segol2c = 0x05b6;\n  t.segolhebrew = 0x05b6;\n  t.segolnarrowhebrew = 0x05b6;\n  t.segolquarterhebrew = 0x05b6;\n  t.segoltahebrew = 0x0592;\n  t.segolwidehebrew = 0x05b6;\n  t.seharmenian = 0x057d;\n  t.sehiragana = 0x305b;\n  t.sekatakana = 0x30bb;\n  t.sekatakanahalfwidth = 0xff7e;\n  t.semicolon = 0x003b;\n  t.semicolonarabic = 0x061b;\n  t.semicolonmonospace = 0xff1b;\n  t.semicolonsmall = 0xfe54;\n  t.semivoicedmarkkana = 0x309c;\n  t.semivoicedmarkkanahalfwidth = 0xff9f;\n  t.sentisquare = 0x3322;\n  t.sentosquare = 0x3323;\n  t.seven = 0x0037;\n  t.sevenarabic = 0x0667;\n  t.sevenbengali = 0x09ed;\n  t.sevencircle = 0x2466;\n  t.sevencircleinversesansserif = 0x2790;\n  t.sevendeva = 0x096d;\n  t.seveneighths = 0x215e;\n  t.sevengujarati = 0x0aed;\n  t.sevengurmukhi = 0x0a6d;\n  t.sevenhackarabic = 0x0667;\n  t.sevenhangzhou = 0x3027;\n  t.sevenideographicparen = 0x3226;\n  t.seveninferior = 0x2087;\n  t.sevenmonospace = 0xff17;\n  t.sevenoldstyle = 0xf737;\n  t.sevenparen = 0x247a;\n  t.sevenperiod = 0x248e;\n  t.sevenpersian = 0x06f7;\n  t.sevenroman = 0x2176;\n  t.sevensuperior = 0x2077;\n  t.seventeencircle = 0x2470;\n  t.seventeenparen = 0x2484;\n  t.seventeenperiod = 0x2498;\n  t.seventhai = 0x0e57;\n  t.sfthyphen = 0x00ad;\n  t.shaarmenian = 0x0577;\n  t.shabengali = 0x09b6;\n  t.shacyrillic = 0x0448;\n  t.shaddaarabic = 0x0651;\n  t.shaddadammaarabic = 0xfc61;\n  t.shaddadammatanarabic = 0xfc5e;\n  t.shaddafathaarabic = 0xfc60;\n  t.shaddakasraarabic = 0xfc62;\n  t.shaddakasratanarabic = 0xfc5f;\n  t.shade = 0x2592;\n  t.shadedark = 0x2593;\n  t.shadelight = 0x2591;\n  t.shademedium = 0x2592;\n  t.shadeva = 0x0936;\n  t.shagujarati = 0x0ab6;\n  t.shagurmukhi = 0x0a36;\n  t.shalshelethebrew = 0x0593;\n  t.shbopomofo = 0x3115;\n  t.shchacyrillic = 0x0449;\n  t.sheenarabic = 0x0634;\n  t.sheenfinalarabic = 0xfeb6;\n  t.sheeninitialarabic = 0xfeb7;\n  t.sheenmedialarabic = 0xfeb8;\n  t.sheicoptic = 0x03e3;\n  t.sheqel = 0x20aa;\n  t.sheqelhebrew = 0x20aa;\n  t.sheva = 0x05b0;\n  t.sheva115 = 0x05b0;\n  t.sheva15 = 0x05b0;\n  t.sheva22 = 0x05b0;\n  t.sheva2e = 0x05b0;\n  t.shevahebrew = 0x05b0;\n  t.shevanarrowhebrew = 0x05b0;\n  t.shevaquarterhebrew = 0x05b0;\n  t.shevawidehebrew = 0x05b0;\n  t.shhacyrillic = 0x04bb;\n  t.shimacoptic = 0x03ed;\n  t.shin = 0x05e9;\n  t.shindagesh = 0xfb49;\n  t.shindageshhebrew = 0xfb49;\n  t.shindageshshindot = 0xfb2c;\n  t.shindageshshindothebrew = 0xfb2c;\n  t.shindageshsindot = 0xfb2d;\n  t.shindageshsindothebrew = 0xfb2d;\n  t.shindothebrew = 0x05c1;\n  t.shinhebrew = 0x05e9;\n  t.shinshindot = 0xfb2a;\n  t.shinshindothebrew = 0xfb2a;\n  t.shinsindot = 0xfb2b;\n  t.shinsindothebrew = 0xfb2b;\n  t.shook = 0x0282;\n  t.sigma = 0x03c3;\n  t.sigma1 = 0x03c2;\n  t.sigmafinal = 0x03c2;\n  t.sigmalunatesymbolgreek = 0x03f2;\n  t.sihiragana = 0x3057;\n  t.sikatakana = 0x30b7;\n  t.sikatakanahalfwidth = 0xff7c;\n  t.siluqhebrew = 0x05bd;\n  t.siluqlefthebrew = 0x05bd;\n  t.similar = 0x223c;\n  t.sindothebrew = 0x05c2;\n  t.siosacirclekorean = 0x3274;\n  t.siosaparenkorean = 0x3214;\n  t.sioscieuckorean = 0x317e;\n  t.sioscirclekorean = 0x3266;\n  t.sioskiyeokkorean = 0x317a;\n  t.sioskorean = 0x3145;\n  t.siosnieunkorean = 0x317b;\n  t.siosparenkorean = 0x3206;\n  t.siospieupkorean = 0x317d;\n  t.siostikeutkorean = 0x317c;\n  t.six = 0x0036;\n  t.sixarabic = 0x0666;\n  t.sixbengali = 0x09ec;\n  t.sixcircle = 0x2465;\n  t.sixcircleinversesansserif = 0x278f;\n  t.sixdeva = 0x096c;\n  t.sixgujarati = 0x0aec;\n  t.sixgurmukhi = 0x0a6c;\n  t.sixhackarabic = 0x0666;\n  t.sixhangzhou = 0x3026;\n  t.sixideographicparen = 0x3225;\n  t.sixinferior = 0x2086;\n  t.sixmonospace = 0xff16;\n  t.sixoldstyle = 0xf736;\n  t.sixparen = 0x2479;\n  t.sixperiod = 0x248d;\n  t.sixpersian = 0x06f6;\n  t.sixroman = 0x2175;\n  t.sixsuperior = 0x2076;\n  t.sixteencircle = 0x246f;\n  t.sixteencurrencydenominatorbengali = 0x09f9;\n  t.sixteenparen = 0x2483;\n  t.sixteenperiod = 0x2497;\n  t.sixthai = 0x0e56;\n  t.slash = 0x002f;\n  t.slashmonospace = 0xff0f;\n  t.slong = 0x017f;\n  t.slongdotaccent = 0x1e9b;\n  t.smileface = 0x263a;\n  t.smonospace = 0xff53;\n  t.sofpasuqhebrew = 0x05c3;\n  t.softhyphen = 0x00ad;\n  t.softsigncyrillic = 0x044c;\n  t.sohiragana = 0x305d;\n  t.sokatakana = 0x30bd;\n  t.sokatakanahalfwidth = 0xff7f;\n  t.soliduslongoverlaycmb = 0x0338;\n  t.solidusshortoverlaycmb = 0x0337;\n  t.sorusithai = 0x0e29;\n  t.sosalathai = 0x0e28;\n  t.sosothai = 0x0e0b;\n  t.sosuathai = 0x0e2a;\n  t.space = 0x0020;\n  t.spacehackarabic = 0x0020;\n  t.spade = 0x2660;\n  t.spadesuitblack = 0x2660;\n  t.spadesuitwhite = 0x2664;\n  t.sparen = 0x24ae;\n  t.squarebelowcmb = 0x033b;\n  t.squarecc = 0x33c4;\n  t.squarecm = 0x339d;\n  t.squarediagonalcrosshatchfill = 0x25a9;\n  t.squarehorizontalfill = 0x25a4;\n  t.squarekg = 0x338f;\n  t.squarekm = 0x339e;\n  t.squarekmcapital = 0x33ce;\n  t.squareln = 0x33d1;\n  t.squarelog = 0x33d2;\n  t.squaremg = 0x338e;\n  t.squaremil = 0x33d5;\n  t.squaremm = 0x339c;\n  t.squaremsquared = 0x33a1;\n  t.squareorthogonalcrosshatchfill = 0x25a6;\n  t.squareupperlefttolowerrightfill = 0x25a7;\n  t.squareupperrighttolowerleftfill = 0x25a8;\n  t.squareverticalfill = 0x25a5;\n  t.squarewhitewithsmallblack = 0x25a3;\n  t.srsquare = 0x33db;\n  t.ssabengali = 0x09b7;\n  t.ssadeva = 0x0937;\n  t.ssagujarati = 0x0ab7;\n  t.ssangcieuckorean = 0x3149;\n  t.ssanghieuhkorean = 0x3185;\n  t.ssangieungkorean = 0x3180;\n  t.ssangkiyeokkorean = 0x3132;\n  t.ssangnieunkorean = 0x3165;\n  t.ssangpieupkorean = 0x3143;\n  t.ssangsioskorean = 0x3146;\n  t.ssangtikeutkorean = 0x3138;\n  t.ssuperior = 0xf6f2;\n  t.sterling = 0x00a3;\n  t.sterlingmonospace = 0xffe1;\n  t.strokelongoverlaycmb = 0x0336;\n  t.strokeshortoverlaycmb = 0x0335;\n  t.subset = 0x2282;\n  t.subsetnotequal = 0x228a;\n  t.subsetorequal = 0x2286;\n  t.succeeds = 0x227b;\n  t.suchthat = 0x220b;\n  t.suhiragana = 0x3059;\n  t.sukatakana = 0x30b9;\n  t.sukatakanahalfwidth = 0xff7d;\n  t.sukunarabic = 0x0652;\n  t.summation = 0x2211;\n  t.sun = 0x263c;\n  t.superset = 0x2283;\n  t.supersetnotequal = 0x228b;\n  t.supersetorequal = 0x2287;\n  t.svsquare = 0x33dc;\n  t.syouwaerasquare = 0x337c;\n  t.t = 0x0074;\n  t.tabengali = 0x09a4;\n  t.tackdown = 0x22a4;\n  t.tackleft = 0x22a3;\n  t.tadeva = 0x0924;\n  t.tagujarati = 0x0aa4;\n  t.tagurmukhi = 0x0a24;\n  t.taharabic = 0x0637;\n  t.tahfinalarabic = 0xfec2;\n  t.tahinitialarabic = 0xfec3;\n  t.tahiragana = 0x305f;\n  t.tahmedialarabic = 0xfec4;\n  t.taisyouerasquare = 0x337d;\n  t.takatakana = 0x30bf;\n  t.takatakanahalfwidth = 0xff80;\n  t.tatweelarabic = 0x0640;\n  t.tau = 0x03c4;\n  t.tav = 0x05ea;\n  t.tavdages = 0xfb4a;\n  t.tavdagesh = 0xfb4a;\n  t.tavdageshhebrew = 0xfb4a;\n  t.tavhebrew = 0x05ea;\n  t.tbar = 0x0167;\n  t.tbopomofo = 0x310a;\n  t.tcaron = 0x0165;\n  t.tccurl = 0x02a8;\n  t.tcedilla = 0x0163;\n  t.tcheharabic = 0x0686;\n  t.tchehfinalarabic = 0xfb7b;\n  t.tchehinitialarabic = 0xfb7c;\n  t.tchehmedialarabic = 0xfb7d;\n  t.tcircle = 0x24e3;\n  t.tcircumflexbelow = 0x1e71;\n  t.tcommaaccent = 0x0163;\n  t.tdieresis = 0x1e97;\n  t.tdotaccent = 0x1e6b;\n  t.tdotbelow = 0x1e6d;\n  t.tecyrillic = 0x0442;\n  t.tedescendercyrillic = 0x04ad;\n  t.teharabic = 0x062a;\n  t.tehfinalarabic = 0xfe96;\n  t.tehhahinitialarabic = 0xfca2;\n  t.tehhahisolatedarabic = 0xfc0c;\n  t.tehinitialarabic = 0xfe97;\n  t.tehiragana = 0x3066;\n  t.tehjeeminitialarabic = 0xfca1;\n  t.tehjeemisolatedarabic = 0xfc0b;\n  t.tehmarbutaarabic = 0x0629;\n  t.tehmarbutafinalarabic = 0xfe94;\n  t.tehmedialarabic = 0xfe98;\n  t.tehmeeminitialarabic = 0xfca4;\n  t.tehmeemisolatedarabic = 0xfc0e;\n  t.tehnoonfinalarabic = 0xfc73;\n  t.tekatakana = 0x30c6;\n  t.tekatakanahalfwidth = 0xff83;\n  t.telephone = 0x2121;\n  t.telephoneblack = 0x260e;\n  t.telishagedolahebrew = 0x05a0;\n  t.telishaqetanahebrew = 0x05a9;\n  t.tencircle = 0x2469;\n  t.tenideographicparen = 0x3229;\n  t.tenparen = 0x247d;\n  t.tenperiod = 0x2491;\n  t.tenroman = 0x2179;\n  t.tesh = 0x02a7;\n  t.tet = 0x05d8;\n  t.tetdagesh = 0xfb38;\n  t.tetdageshhebrew = 0xfb38;\n  t.tethebrew = 0x05d8;\n  t.tetsecyrillic = 0x04b5;\n  t.tevirhebrew = 0x059b;\n  t.tevirlefthebrew = 0x059b;\n  t.thabengali = 0x09a5;\n  t.thadeva = 0x0925;\n  t.thagujarati = 0x0aa5;\n  t.thagurmukhi = 0x0a25;\n  t.thalarabic = 0x0630;\n  t.thalfinalarabic = 0xfeac;\n  t.thanthakhatlowleftthai = 0xf898;\n  t.thanthakhatlowrightthai = 0xf897;\n  t.thanthakhatthai = 0x0e4c;\n  t.thanthakhatupperleftthai = 0xf896;\n  t.theharabic = 0x062b;\n  t.thehfinalarabic = 0xfe9a;\n  t.thehinitialarabic = 0xfe9b;\n  t.thehmedialarabic = 0xfe9c;\n  t.thereexists = 0x2203;\n  t.therefore = 0x2234;\n  t.theta = 0x03b8;\n  t.theta1 = 0x03d1;\n  t.thetasymbolgreek = 0x03d1;\n  t.thieuthacirclekorean = 0x3279;\n  t.thieuthaparenkorean = 0x3219;\n  t.thieuthcirclekorean = 0x326b;\n  t.thieuthkorean = 0x314c;\n  t.thieuthparenkorean = 0x320b;\n  t.thirteencircle = 0x246c;\n  t.thirteenparen = 0x2480;\n  t.thirteenperiod = 0x2494;\n  t.thonangmonthothai = 0x0e11;\n  t.thook = 0x01ad;\n  t.thophuthaothai = 0x0e12;\n  t.thorn = 0x00fe;\n  t.thothahanthai = 0x0e17;\n  t.thothanthai = 0x0e10;\n  t.thothongthai = 0x0e18;\n  t.thothungthai = 0x0e16;\n  t.thousandcyrillic = 0x0482;\n  t.thousandsseparatorarabic = 0x066c;\n  t.thousandsseparatorpersian = 0x066c;\n  t.three = 0x0033;\n  t.threearabic = 0x0663;\n  t.threebengali = 0x09e9;\n  t.threecircle = 0x2462;\n  t.threecircleinversesansserif = 0x278c;\n  t.threedeva = 0x0969;\n  t.threeeighths = 0x215c;\n  t.threegujarati = 0x0ae9;\n  t.threegurmukhi = 0x0a69;\n  t.threehackarabic = 0x0663;\n  t.threehangzhou = 0x3023;\n  t.threeideographicparen = 0x3222;\n  t.threeinferior = 0x2083;\n  t.threemonospace = 0xff13;\n  t.threenumeratorbengali = 0x09f6;\n  t.threeoldstyle = 0xf733;\n  t.threeparen = 0x2476;\n  t.threeperiod = 0x248a;\n  t.threepersian = 0x06f3;\n  t.threequarters = 0x00be;\n  t.threequartersemdash = 0xf6de;\n  t.threeroman = 0x2172;\n  t.threesuperior = 0x00b3;\n  t.threethai = 0x0e53;\n  t.thzsquare = 0x3394;\n  t.tihiragana = 0x3061;\n  t.tikatakana = 0x30c1;\n  t.tikatakanahalfwidth = 0xff81;\n  t.tikeutacirclekorean = 0x3270;\n  t.tikeutaparenkorean = 0x3210;\n  t.tikeutcirclekorean = 0x3262;\n  t.tikeutkorean = 0x3137;\n  t.tikeutparenkorean = 0x3202;\n  t.tilde = 0x02dc;\n  t.tildebelowcmb = 0x0330;\n  t.tildecmb = 0x0303;\n  t.tildecomb = 0x0303;\n  t.tildedoublecmb = 0x0360;\n  t.tildeoperator = 0x223c;\n  t.tildeoverlaycmb = 0x0334;\n  t.tildeverticalcmb = 0x033e;\n  t.timescircle = 0x2297;\n  t.tipehahebrew = 0x0596;\n  t.tipehalefthebrew = 0x0596;\n  t.tippigurmukhi = 0x0a70;\n  t.titlocyrilliccmb = 0x0483;\n  t.tiwnarmenian = 0x057f;\n  t.tlinebelow = 0x1e6f;\n  t.tmonospace = 0xff54;\n  t.toarmenian = 0x0569;\n  t.tohiragana = 0x3068;\n  t.tokatakana = 0x30c8;\n  t.tokatakanahalfwidth = 0xff84;\n  t.tonebarextrahighmod = 0x02e5;\n  t.tonebarextralowmod = 0x02e9;\n  t.tonebarhighmod = 0x02e6;\n  t.tonebarlowmod = 0x02e8;\n  t.tonebarmidmod = 0x02e7;\n  t.tonefive = 0x01bd;\n  t.tonesix = 0x0185;\n  t.tonetwo = 0x01a8;\n  t.tonos = 0x0384;\n  t.tonsquare = 0x3327;\n  t.topatakthai = 0x0e0f;\n  t.tortoiseshellbracketleft = 0x3014;\n  t.tortoiseshellbracketleftsmall = 0xfe5d;\n  t.tortoiseshellbracketleftvertical = 0xfe39;\n  t.tortoiseshellbracketright = 0x3015;\n  t.tortoiseshellbracketrightsmall = 0xfe5e;\n  t.tortoiseshellbracketrightvertical = 0xfe3a;\n  t.totaothai = 0x0e15;\n  t.tpalatalhook = 0x01ab;\n  t.tparen = 0x24af;\n  t.trademark = 0x2122;\n  t.trademarksans = 0xf8ea;\n  t.trademarkserif = 0xf6db;\n  t.tretroflexhook = 0x0288;\n  t.triagdn = 0x25bc;\n  t.triaglf = 0x25c4;\n  t.triagrt = 0x25ba;\n  t.triagup = 0x25b2;\n  t.ts = 0x02a6;\n  t.tsadi = 0x05e6;\n  t.tsadidagesh = 0xfb46;\n  t.tsadidageshhebrew = 0xfb46;\n  t.tsadihebrew = 0x05e6;\n  t.tsecyrillic = 0x0446;\n  t.tsere = 0x05b5;\n  t.tsere12 = 0x05b5;\n  t.tsere1e = 0x05b5;\n  t.tsere2b = 0x05b5;\n  t.tserehebrew = 0x05b5;\n  t.tserenarrowhebrew = 0x05b5;\n  t.tserequarterhebrew = 0x05b5;\n  t.tserewidehebrew = 0x05b5;\n  t.tshecyrillic = 0x045b;\n  t.tsuperior = 0xf6f3;\n  t.ttabengali = 0x099f;\n  t.ttadeva = 0x091f;\n  t.ttagujarati = 0x0a9f;\n  t.ttagurmukhi = 0x0a1f;\n  t.tteharabic = 0x0679;\n  t.ttehfinalarabic = 0xfb67;\n  t.ttehinitialarabic = 0xfb68;\n  t.ttehmedialarabic = 0xfb69;\n  t.tthabengali = 0x09a0;\n  t.tthadeva = 0x0920;\n  t.tthagujarati = 0x0aa0;\n  t.tthagurmukhi = 0x0a20;\n  t.tturned = 0x0287;\n  t.tuhiragana = 0x3064;\n  t.tukatakana = 0x30c4;\n  t.tukatakanahalfwidth = 0xff82;\n  t.tusmallhiragana = 0x3063;\n  t.tusmallkatakana = 0x30c3;\n  t.tusmallkatakanahalfwidth = 0xff6f;\n  t.twelvecircle = 0x246b;\n  t.twelveparen = 0x247f;\n  t.twelveperiod = 0x2493;\n  t.twelveroman = 0x217b;\n  t.twentycircle = 0x2473;\n  t.twentyhangzhou = 0x5344;\n  t.twentyparen = 0x2487;\n  t.twentyperiod = 0x249b;\n  t.two = 0x0032;\n  t.twoarabic = 0x0662;\n  t.twobengali = 0x09e8;\n  t.twocircle = 0x2461;\n  t.twocircleinversesansserif = 0x278b;\n  t.twodeva = 0x0968;\n  t.twodotenleader = 0x2025;\n  t.twodotleader = 0x2025;\n  t.twodotleadervertical = 0xfe30;\n  t.twogujarati = 0x0ae8;\n  t.twogurmukhi = 0x0a68;\n  t.twohackarabic = 0x0662;\n  t.twohangzhou = 0x3022;\n  t.twoideographicparen = 0x3221;\n  t.twoinferior = 0x2082;\n  t.twomonospace = 0xff12;\n  t.twonumeratorbengali = 0x09f5;\n  t.twooldstyle = 0xf732;\n  t.twoparen = 0x2475;\n  t.twoperiod = 0x2489;\n  t.twopersian = 0x06f2;\n  t.tworoman = 0x2171;\n  t.twostroke = 0x01bb;\n  t.twosuperior = 0x00b2;\n  t.twothai = 0x0e52;\n  t.twothirds = 0x2154;\n  t.u = 0x0075;\n  t.uacute = 0x00fa;\n  t.ubar = 0x0289;\n  t.ubengali = 0x0989;\n  t.ubopomofo = 0x3128;\n  t.ubreve = 0x016d;\n  t.ucaron = 0x01d4;\n  t.ucircle = 0x24e4;\n  t.ucircumflex = 0x00fb;\n  t.ucircumflexbelow = 0x1e77;\n  t.ucyrillic = 0x0443;\n  t.udattadeva = 0x0951;\n  t.udblacute = 0x0171;\n  t.udblgrave = 0x0215;\n  t.udeva = 0x0909;\n  t.udieresis = 0x00fc;\n  t.udieresisacute = 0x01d8;\n  t.udieresisbelow = 0x1e73;\n  t.udieresiscaron = 0x01da;\n  t.udieresiscyrillic = 0x04f1;\n  t.udieresisgrave = 0x01dc;\n  t.udieresismacron = 0x01d6;\n  t.udotbelow = 0x1ee5;\n  t.ugrave = 0x00f9;\n  t.ugujarati = 0x0a89;\n  t.ugurmukhi = 0x0a09;\n  t.uhiragana = 0x3046;\n  t.uhookabove = 0x1ee7;\n  t.uhorn = 0x01b0;\n  t.uhornacute = 0x1ee9;\n  t.uhorndotbelow = 0x1ef1;\n  t.uhorngrave = 0x1eeb;\n  t.uhornhookabove = 0x1eed;\n  t.uhorntilde = 0x1eef;\n  t.uhungarumlaut = 0x0171;\n  t.uhungarumlautcyrillic = 0x04f3;\n  t.uinvertedbreve = 0x0217;\n  t.ukatakana = 0x30a6;\n  t.ukatakanahalfwidth = 0xff73;\n  t.ukcyrillic = 0x0479;\n  t.ukorean = 0x315c;\n  t.umacron = 0x016b;\n  t.umacroncyrillic = 0x04ef;\n  t.umacrondieresis = 0x1e7b;\n  t.umatragurmukhi = 0x0a41;\n  t.umonospace = 0xff55;\n  t.underscore = 0x005f;\n  t.underscoredbl = 0x2017;\n  t.underscoremonospace = 0xff3f;\n  t.underscorevertical = 0xfe33;\n  t.underscorewavy = 0xfe4f;\n  t.union = 0x222a;\n  t.universal = 0x2200;\n  t.uogonek = 0x0173;\n  t.uparen = 0x24b0;\n  t.upblock = 0x2580;\n  t.upperdothebrew = 0x05c4;\n  t.upsilon = 0x03c5;\n  t.upsilondieresis = 0x03cb;\n  t.upsilondieresistonos = 0x03b0;\n  t.upsilonlatin = 0x028a;\n  t.upsilontonos = 0x03cd;\n  t.uptackbelowcmb = 0x031d;\n  t.uptackmod = 0x02d4;\n  t.uragurmukhi = 0x0a73;\n  t.uring = 0x016f;\n  t.ushortcyrillic = 0x045e;\n  t.usmallhiragana = 0x3045;\n  t.usmallkatakana = 0x30a5;\n  t.usmallkatakanahalfwidth = 0xff69;\n  t.ustraightcyrillic = 0x04af;\n  t.ustraightstrokecyrillic = 0x04b1;\n  t.utilde = 0x0169;\n  t.utildeacute = 0x1e79;\n  t.utildebelow = 0x1e75;\n  t.uubengali = 0x098a;\n  t.uudeva = 0x090a;\n  t.uugujarati = 0x0a8a;\n  t.uugurmukhi = 0x0a0a;\n  t.uumatragurmukhi = 0x0a42;\n  t.uuvowelsignbengali = 0x09c2;\n  t.uuvowelsigndeva = 0x0942;\n  t.uuvowelsigngujarati = 0x0ac2;\n  t.uvowelsignbengali = 0x09c1;\n  t.uvowelsigndeva = 0x0941;\n  t.uvowelsigngujarati = 0x0ac1;\n  t.v = 0x0076;\n  t.vadeva = 0x0935;\n  t.vagujarati = 0x0ab5;\n  t.vagurmukhi = 0x0a35;\n  t.vakatakana = 0x30f7;\n  t.vav = 0x05d5;\n  t.vavdagesh = 0xfb35;\n  t.vavdagesh65 = 0xfb35;\n  t.vavdageshhebrew = 0xfb35;\n  t.vavhebrew = 0x05d5;\n  t.vavholam = 0xfb4b;\n  t.vavholamhebrew = 0xfb4b;\n  t.vavvavhebrew = 0x05f0;\n  t.vavyodhebrew = 0x05f1;\n  t.vcircle = 0x24e5;\n  t.vdotbelow = 0x1e7f;\n  t.vecyrillic = 0x0432;\n  t.veharabic = 0x06a4;\n  t.vehfinalarabic = 0xfb6b;\n  t.vehinitialarabic = 0xfb6c;\n  t.vehmedialarabic = 0xfb6d;\n  t.vekatakana = 0x30f9;\n  t.venus = 0x2640;\n  t.verticalbar = 0x007c;\n  t.verticallineabovecmb = 0x030d;\n  t.verticallinebelowcmb = 0x0329;\n  t.verticallinelowmod = 0x02cc;\n  t.verticallinemod = 0x02c8;\n  t.vewarmenian = 0x057e;\n  t.vhook = 0x028b;\n  t.vikatakana = 0x30f8;\n  t.viramabengali = 0x09cd;\n  t.viramadeva = 0x094d;\n  t.viramagujarati = 0x0acd;\n  t.visargabengali = 0x0983;\n  t.visargadeva = 0x0903;\n  t.visargagujarati = 0x0a83;\n  t.vmonospace = 0xff56;\n  t.voarmenian = 0x0578;\n  t.voicediterationhiragana = 0x309e;\n  t.voicediterationkatakana = 0x30fe;\n  t.voicedmarkkana = 0x309b;\n  t.voicedmarkkanahalfwidth = 0xff9e;\n  t.vokatakana = 0x30fa;\n  t.vparen = 0x24b1;\n  t.vtilde = 0x1e7d;\n  t.vturned = 0x028c;\n  t.vuhiragana = 0x3094;\n  t.vukatakana = 0x30f4;\n  t.w = 0x0077;\n  t.wacute = 0x1e83;\n  t.waekorean = 0x3159;\n  t.wahiragana = 0x308f;\n  t.wakatakana = 0x30ef;\n  t.wakatakanahalfwidth = 0xff9c;\n  t.wakorean = 0x3158;\n  t.wasmallhiragana = 0x308e;\n  t.wasmallkatakana = 0x30ee;\n  t.wattosquare = 0x3357;\n  t.wavedash = 0x301c;\n  t.wavyunderscorevertical = 0xfe34;\n  t.wawarabic = 0x0648;\n  t.wawfinalarabic = 0xfeee;\n  t.wawhamzaabovearabic = 0x0624;\n  t.wawhamzaabovefinalarabic = 0xfe86;\n  t.wbsquare = 0x33dd;\n  t.wcircle = 0x24e6;\n  t.wcircumflex = 0x0175;\n  t.wdieresis = 0x1e85;\n  t.wdotaccent = 0x1e87;\n  t.wdotbelow = 0x1e89;\n  t.wehiragana = 0x3091;\n  t.weierstrass = 0x2118;\n  t.wekatakana = 0x30f1;\n  t.wekorean = 0x315e;\n  t.weokorean = 0x315d;\n  t.wgrave = 0x1e81;\n  t.whitebullet = 0x25e6;\n  t.whitecircle = 0x25cb;\n  t.whitecircleinverse = 0x25d9;\n  t.whitecornerbracketleft = 0x300e;\n  t.whitecornerbracketleftvertical = 0xfe43;\n  t.whitecornerbracketright = 0x300f;\n  t.whitecornerbracketrightvertical = 0xfe44;\n  t.whitediamond = 0x25c7;\n  t.whitediamondcontainingblacksmalldiamond = 0x25c8;\n  t.whitedownpointingsmalltriangle = 0x25bf;\n  t.whitedownpointingtriangle = 0x25bd;\n  t.whiteleftpointingsmalltriangle = 0x25c3;\n  t.whiteleftpointingtriangle = 0x25c1;\n  t.whitelenticularbracketleft = 0x3016;\n  t.whitelenticularbracketright = 0x3017;\n  t.whiterightpointingsmalltriangle = 0x25b9;\n  t.whiterightpointingtriangle = 0x25b7;\n  t.whitesmallsquare = 0x25ab;\n  t.whitesmilingface = 0x263a;\n  t.whitesquare = 0x25a1;\n  t.whitestar = 0x2606;\n  t.whitetelephone = 0x260f;\n  t.whitetortoiseshellbracketleft = 0x3018;\n  t.whitetortoiseshellbracketright = 0x3019;\n  t.whiteuppointingsmalltriangle = 0x25b5;\n  t.whiteuppointingtriangle = 0x25b3;\n  t.wihiragana = 0x3090;\n  t.wikatakana = 0x30f0;\n  t.wikorean = 0x315f;\n  t.wmonospace = 0xff57;\n  t.wohiragana = 0x3092;\n  t.wokatakana = 0x30f2;\n  t.wokatakanahalfwidth = 0xff66;\n  t.won = 0x20a9;\n  t.wonmonospace = 0xffe6;\n  t.wowaenthai = 0x0e27;\n  t.wparen = 0x24b2;\n  t.wring = 0x1e98;\n  t.wsuperior = 0x02b7;\n  t.wturned = 0x028d;\n  t.wynn = 0x01bf;\n  t.x = 0x0078;\n  t.xabovecmb = 0x033d;\n  t.xbopomofo = 0x3112;\n  t.xcircle = 0x24e7;\n  t.xdieresis = 0x1e8d;\n  t.xdotaccent = 0x1e8b;\n  t.xeharmenian = 0x056d;\n  t.xi = 0x03be;\n  t.xmonospace = 0xff58;\n  t.xparen = 0x24b3;\n  t.xsuperior = 0x02e3;\n  t.y = 0x0079;\n  t.yaadosquare = 0x334e;\n  t.yabengali = 0x09af;\n  t.yacute = 0x00fd;\n  t.yadeva = 0x092f;\n  t.yaekorean = 0x3152;\n  t.yagujarati = 0x0aaf;\n  t.yagurmukhi = 0x0a2f;\n  t.yahiragana = 0x3084;\n  t.yakatakana = 0x30e4;\n  t.yakatakanahalfwidth = 0xff94;\n  t.yakorean = 0x3151;\n  t.yamakkanthai = 0x0e4e;\n  t.yasmallhiragana = 0x3083;\n  t.yasmallkatakana = 0x30e3;\n  t.yasmallkatakanahalfwidth = 0xff6c;\n  t.yatcyrillic = 0x0463;\n  t.ycircle = 0x24e8;\n  t.ycircumflex = 0x0177;\n  t.ydieresis = 0x00ff;\n  t.ydotaccent = 0x1e8f;\n  t.ydotbelow = 0x1ef5;\n  t.yeharabic = 0x064a;\n  t.yehbarreearabic = 0x06d2;\n  t.yehbarreefinalarabic = 0xfbaf;\n  t.yehfinalarabic = 0xfef2;\n  t.yehhamzaabovearabic = 0x0626;\n  t.yehhamzaabovefinalarabic = 0xfe8a;\n  t.yehhamzaaboveinitialarabic = 0xfe8b;\n  t.yehhamzaabovemedialarabic = 0xfe8c;\n  t.yehinitialarabic = 0xfef3;\n  t.yehmedialarabic = 0xfef4;\n  t.yehmeeminitialarabic = 0xfcdd;\n  t.yehmeemisolatedarabic = 0xfc58;\n  t.yehnoonfinalarabic = 0xfc94;\n  t.yehthreedotsbelowarabic = 0x06d1;\n  t.yekorean = 0x3156;\n  t.yen = 0x00a5;\n  t.yenmonospace = 0xffe5;\n  t.yeokorean = 0x3155;\n  t.yeorinhieuhkorean = 0x3186;\n  t.yerahbenyomohebrew = 0x05aa;\n  t.yerahbenyomolefthebrew = 0x05aa;\n  t.yericyrillic = 0x044b;\n  t.yerudieresiscyrillic = 0x04f9;\n  t.yesieungkorean = 0x3181;\n  t.yesieungpansioskorean = 0x3183;\n  t.yesieungsioskorean = 0x3182;\n  t.yetivhebrew = 0x059a;\n  t.ygrave = 0x1ef3;\n  t.yhook = 0x01b4;\n  t.yhookabove = 0x1ef7;\n  t.yiarmenian = 0x0575;\n  t.yicyrillic = 0x0457;\n  t.yikorean = 0x3162;\n  t.yinyang = 0x262f;\n  t.yiwnarmenian = 0x0582;\n  t.ymonospace = 0xff59;\n  t.yod = 0x05d9;\n  t.yoddagesh = 0xfb39;\n  t.yoddageshhebrew = 0xfb39;\n  t.yodhebrew = 0x05d9;\n  t.yodyodhebrew = 0x05f2;\n  t.yodyodpatahhebrew = 0xfb1f;\n  t.yohiragana = 0x3088;\n  t.yoikorean = 0x3189;\n  t.yokatakana = 0x30e8;\n  t.yokatakanahalfwidth = 0xff96;\n  t.yokorean = 0x315b;\n  t.yosmallhiragana = 0x3087;\n  t.yosmallkatakana = 0x30e7;\n  t.yosmallkatakanahalfwidth = 0xff6e;\n  t.yotgreek = 0x03f3;\n  t.yoyaekorean = 0x3188;\n  t.yoyakorean = 0x3187;\n  t.yoyakthai = 0x0e22;\n  t.yoyingthai = 0x0e0d;\n  t.yparen = 0x24b4;\n  t.ypogegrammeni = 0x037a;\n  t.ypogegrammenigreekcmb = 0x0345;\n  t.yr = 0x01a6;\n  t.yring = 0x1e99;\n  t.ysuperior = 0x02b8;\n  t.ytilde = 0x1ef9;\n  t.yturned = 0x028e;\n  t.yuhiragana = 0x3086;\n  t.yuikorean = 0x318c;\n  t.yukatakana = 0x30e6;\n  t.yukatakanahalfwidth = 0xff95;\n  t.yukorean = 0x3160;\n  t.yusbigcyrillic = 0x046b;\n  t.yusbigiotifiedcyrillic = 0x046d;\n  t.yuslittlecyrillic = 0x0467;\n  t.yuslittleiotifiedcyrillic = 0x0469;\n  t.yusmallhiragana = 0x3085;\n  t.yusmallkatakana = 0x30e5;\n  t.yusmallkatakanahalfwidth = 0xff6d;\n  t.yuyekorean = 0x318b;\n  t.yuyeokorean = 0x318a;\n  t.yyabengali = 0x09df;\n  t.yyadeva = 0x095f;\n  t.z = 0x007a;\n  t.zaarmenian = 0x0566;\n  t.zacute = 0x017a;\n  t.zadeva = 0x095b;\n  t.zagurmukhi = 0x0a5b;\n  t.zaharabic = 0x0638;\n  t.zahfinalarabic = 0xfec6;\n  t.zahinitialarabic = 0xfec7;\n  t.zahiragana = 0x3056;\n  t.zahmedialarabic = 0xfec8;\n  t.zainarabic = 0x0632;\n  t.zainfinalarabic = 0xfeb0;\n  t.zakatakana = 0x30b6;\n  t.zaqefgadolhebrew = 0x0595;\n  t.zaqefqatanhebrew = 0x0594;\n  t.zarqahebrew = 0x0598;\n  t.zayin = 0x05d6;\n  t.zayindagesh = 0xfb36;\n  t.zayindageshhebrew = 0xfb36;\n  t.zayinhebrew = 0x05d6;\n  t.zbopomofo = 0x3117;\n  t.zcaron = 0x017e;\n  t.zcircle = 0x24e9;\n  t.zcircumflex = 0x1e91;\n  t.zcurl = 0x0291;\n  t.zdot = 0x017c;\n  t.zdotaccent = 0x017c;\n  t.zdotbelow = 0x1e93;\n  t.zecyrillic = 0x0437;\n  t.zedescendercyrillic = 0x0499;\n  t.zedieresiscyrillic = 0x04df;\n  t.zehiragana = 0x305c;\n  t.zekatakana = 0x30bc;\n  t.zero = 0x0030;\n  t.zeroarabic = 0x0660;\n  t.zerobengali = 0x09e6;\n  t.zerodeva = 0x0966;\n  t.zerogujarati = 0x0ae6;\n  t.zerogurmukhi = 0x0a66;\n  t.zerohackarabic = 0x0660;\n  t.zeroinferior = 0x2080;\n  t.zeromonospace = 0xff10;\n  t.zerooldstyle = 0xf730;\n  t.zeropersian = 0x06f0;\n  t.zerosuperior = 0x2070;\n  t.zerothai = 0x0e50;\n  t.zerowidthjoiner = 0xfeff;\n  t.zerowidthnonjoiner = 0x200c;\n  t.zerowidthspace = 0x200b;\n  t.zeta = 0x03b6;\n  t.zhbopomofo = 0x3113;\n  t.zhearmenian = 0x056a;\n  t.zhebrevecyrillic = 0x04c2;\n  t.zhecyrillic = 0x0436;\n  t.zhedescendercyrillic = 0x0497;\n  t.zhedieresiscyrillic = 0x04dd;\n  t.zihiragana = 0x3058;\n  t.zikatakana = 0x30b8;\n  t.zinorhebrew = 0x05ae;\n  t.zlinebelow = 0x1e95;\n  t.zmonospace = 0xff5a;\n  t.zohiragana = 0x305e;\n  t.zokatakana = 0x30be;\n  t.zparen = 0x24b5;\n  t.zretroflexhook = 0x0290;\n  t.zstroke = 0x01b6;\n  t.zuhiragana = 0x305a;\n  t.zukatakana = 0x30ba;\n  t[\".notdef\"] = 0x0000;\n\n  // TeX-specific glyph names.\n  t.angbracketleftbig = 0x2329;\n  t.angbracketleftBig = 0x2329;\n  t.angbracketleftbigg = 0x2329;\n  t.angbracketleftBigg = 0x2329;\n  t.angbracketrightBig = 0x232a;\n  t.angbracketrightbig = 0x232a;\n  t.angbracketrightBigg = 0x232a;\n  t.angbracketrightbigg = 0x232a;\n  t.arrowhookleft = 0x21aa;\n  t.arrowhookright = 0x21a9;\n  t.arrowlefttophalf = 0x21bc;\n  t.arrowleftbothalf = 0x21bd;\n  t.arrownortheast = 0x2197;\n  t.arrownorthwest = 0x2196;\n  t.arrowrighttophalf = 0x21c0;\n  t.arrowrightbothalf = 0x21c1;\n  t.arrowsoutheast = 0x2198;\n  t.arrowsouthwest = 0x2199;\n  t.backslashbig = 0x2216;\n  t.backslashBig = 0x2216;\n  t.backslashBigg = 0x2216;\n  t.backslashbigg = 0x2216;\n  t.bardbl = 0x2016;\n  t.bracehtipdownleft = 0xfe37;\n  t.bracehtipdownright = 0xfe37;\n  t.bracehtipupleft = 0xfe38;\n  t.bracehtipupright = 0xfe38;\n  t.braceleftBig = 0x007b;\n  t.braceleftbig = 0x007b;\n  t.braceleftbigg = 0x007b;\n  t.braceleftBigg = 0x007b;\n  t.bracerightBig = 0x007d;\n  t.bracerightbig = 0x007d;\n  t.bracerightbigg = 0x007d;\n  t.bracerightBigg = 0x007d;\n  t.bracketleftbig = 0x005b;\n  t.bracketleftBig = 0x005b;\n  t.bracketleftbigg = 0x005b;\n  t.bracketleftBigg = 0x005b;\n  t.bracketrightBig = 0x005d;\n  t.bracketrightbig = 0x005d;\n  t.bracketrightbigg = 0x005d;\n  t.bracketrightBigg = 0x005d;\n  t.ceilingleftbig = 0x2308;\n  t.ceilingleftBig = 0x2308;\n  t.ceilingleftBigg = 0x2308;\n  t.ceilingleftbigg = 0x2308;\n  t.ceilingrightbig = 0x2309;\n  t.ceilingrightBig = 0x2309;\n  t.ceilingrightbigg = 0x2309;\n  t.ceilingrightBigg = 0x2309;\n  t.circledotdisplay = 0x2299;\n  t.circledottext = 0x2299;\n  t.circlemultiplydisplay = 0x2297;\n  t.circlemultiplytext = 0x2297;\n  t.circleplusdisplay = 0x2295;\n  t.circleplustext = 0x2295;\n  t.contintegraldisplay = 0x222e;\n  t.contintegraltext = 0x222e;\n  t.coproductdisplay = 0x2210;\n  t.coproducttext = 0x2210;\n  t.floorleftBig = 0x230a;\n  t.floorleftbig = 0x230a;\n  t.floorleftbigg = 0x230a;\n  t.floorleftBigg = 0x230a;\n  t.floorrightbig = 0x230b;\n  t.floorrightBig = 0x230b;\n  t.floorrightBigg = 0x230b;\n  t.floorrightbigg = 0x230b;\n  t.hatwide = 0x0302;\n  t.hatwider = 0x0302;\n  t.hatwidest = 0x0302;\n  t.intercal = 0x1d40;\n  t.integraldisplay = 0x222b;\n  t.integraltext = 0x222b;\n  t.intersectiondisplay = 0x22c2;\n  t.intersectiontext = 0x22c2;\n  t.logicalanddisplay = 0x2227;\n  t.logicalandtext = 0x2227;\n  t.logicalordisplay = 0x2228;\n  t.logicalortext = 0x2228;\n  t.parenleftBig = 0x0028;\n  t.parenleftbig = 0x0028;\n  t.parenleftBigg = 0x0028;\n  t.parenleftbigg = 0x0028;\n  t.parenrightBig = 0x0029;\n  t.parenrightbig = 0x0029;\n  t.parenrightBigg = 0x0029;\n  t.parenrightbigg = 0x0029;\n  t.prime = 0x2032;\n  t.productdisplay = 0x220f;\n  t.producttext = 0x220f;\n  t.radicalbig = 0x221a;\n  t.radicalBig = 0x221a;\n  t.radicalBigg = 0x221a;\n  t.radicalbigg = 0x221a;\n  t.radicalbt = 0x221a;\n  t.radicaltp = 0x221a;\n  t.radicalvertex = 0x221a;\n  t.slashbig = 0x002f;\n  t.slashBig = 0x002f;\n  t.slashBigg = 0x002f;\n  t.slashbigg = 0x002f;\n  t.summationdisplay = 0x2211;\n  t.summationtext = 0x2211;\n  t.tildewide = 0x02dc;\n  t.tildewider = 0x02dc;\n  t.tildewidest = 0x02dc;\n  t.uniondisplay = 0x22c3;\n  t.unionmultidisplay = 0x228e;\n  t.unionmultitext = 0x228e;\n  t.unionsqdisplay = 0x2294;\n  t.unionsqtext = 0x2294;\n  t.uniontext = 0x22c3;\n  t.vextenddouble = 0x2225;\n  t.vextendsingle = 0x2223;\n});\n\nvar getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {\n  t.space = 0x0020;\n  t.a1 = 0x2701;\n  t.a2 = 0x2702;\n  t.a202 = 0x2703;\n  t.a3 = 0x2704;\n  t.a4 = 0x260e;\n  t.a5 = 0x2706;\n  t.a119 = 0x2707;\n  t.a118 = 0x2708;\n  t.a117 = 0x2709;\n  t.a11 = 0x261b;\n  t.a12 = 0x261e;\n  t.a13 = 0x270c;\n  t.a14 = 0x270d;\n  t.a15 = 0x270e;\n  t.a16 = 0x270f;\n  t.a105 = 0x2710;\n  t.a17 = 0x2711;\n  t.a18 = 0x2712;\n  t.a19 = 0x2713;\n  t.a20 = 0x2714;\n  t.a21 = 0x2715;\n  t.a22 = 0x2716;\n  t.a23 = 0x2717;\n  t.a24 = 0x2718;\n  t.a25 = 0x2719;\n  t.a26 = 0x271a;\n  t.a27 = 0x271b;\n  t.a28 = 0x271c;\n  t.a6 = 0x271d;\n  t.a7 = 0x271e;\n  t.a8 = 0x271f;\n  t.a9 = 0x2720;\n  t.a10 = 0x2721;\n  t.a29 = 0x2722;\n  t.a30 = 0x2723;\n  t.a31 = 0x2724;\n  t.a32 = 0x2725;\n  t.a33 = 0x2726;\n  t.a34 = 0x2727;\n  t.a35 = 0x2605;\n  t.a36 = 0x2729;\n  t.a37 = 0x272a;\n  t.a38 = 0x272b;\n  t.a39 = 0x272c;\n  t.a40 = 0x272d;\n  t.a41 = 0x272e;\n  t.a42 = 0x272f;\n  t.a43 = 0x2730;\n  t.a44 = 0x2731;\n  t.a45 = 0x2732;\n  t.a46 = 0x2733;\n  t.a47 = 0x2734;\n  t.a48 = 0x2735;\n  t.a49 = 0x2736;\n  t.a50 = 0x2737;\n  t.a51 = 0x2738;\n  t.a52 = 0x2739;\n  t.a53 = 0x273a;\n  t.a54 = 0x273b;\n  t.a55 = 0x273c;\n  t.a56 = 0x273d;\n  t.a57 = 0x273e;\n  t.a58 = 0x273f;\n  t.a59 = 0x2740;\n  t.a60 = 0x2741;\n  t.a61 = 0x2742;\n  t.a62 = 0x2743;\n  t.a63 = 0x2744;\n  t.a64 = 0x2745;\n  t.a65 = 0x2746;\n  t.a66 = 0x2747;\n  t.a67 = 0x2748;\n  t.a68 = 0x2749;\n  t.a69 = 0x274a;\n  t.a70 = 0x274b;\n  t.a71 = 0x25cf;\n  t.a72 = 0x274d;\n  t.a73 = 0x25a0;\n  t.a74 = 0x274f;\n  t.a203 = 0x2750;\n  t.a75 = 0x2751;\n  t.a204 = 0x2752;\n  t.a76 = 0x25b2;\n  t.a77 = 0x25bc;\n  t.a78 = 0x25c6;\n  t.a79 = 0x2756;\n  t.a81 = 0x25d7;\n  t.a82 = 0x2758;\n  t.a83 = 0x2759;\n  t.a84 = 0x275a;\n  t.a97 = 0x275b;\n  t.a98 = 0x275c;\n  t.a99 = 0x275d;\n  t.a100 = 0x275e;\n  t.a101 = 0x2761;\n  t.a102 = 0x2762;\n  t.a103 = 0x2763;\n  t.a104 = 0x2764;\n  t.a106 = 0x2765;\n  t.a107 = 0x2766;\n  t.a108 = 0x2767;\n  t.a112 = 0x2663;\n  t.a111 = 0x2666;\n  t.a110 = 0x2665;\n  t.a109 = 0x2660;\n  t.a120 = 0x2460;\n  t.a121 = 0x2461;\n  t.a122 = 0x2462;\n  t.a123 = 0x2463;\n  t.a124 = 0x2464;\n  t.a125 = 0x2465;\n  t.a126 = 0x2466;\n  t.a127 = 0x2467;\n  t.a128 = 0x2468;\n  t.a129 = 0x2469;\n  t.a130 = 0x2776;\n  t.a131 = 0x2777;\n  t.a132 = 0x2778;\n  t.a133 = 0x2779;\n  t.a134 = 0x277a;\n  t.a135 = 0x277b;\n  t.a136 = 0x277c;\n  t.a137 = 0x277d;\n  t.a138 = 0x277e;\n  t.a139 = 0x277f;\n  t.a140 = 0x2780;\n  t.a141 = 0x2781;\n  t.a142 = 0x2782;\n  t.a143 = 0x2783;\n  t.a144 = 0x2784;\n  t.a145 = 0x2785;\n  t.a146 = 0x2786;\n  t.a147 = 0x2787;\n  t.a148 = 0x2788;\n  t.a149 = 0x2789;\n  t.a150 = 0x278a;\n  t.a151 = 0x278b;\n  t.a152 = 0x278c;\n  t.a153 = 0x278d;\n  t.a154 = 0x278e;\n  t.a155 = 0x278f;\n  t.a156 = 0x2790;\n  t.a157 = 0x2791;\n  t.a158 = 0x2792;\n  t.a159 = 0x2793;\n  t.a160 = 0x2794;\n  t.a161 = 0x2192;\n  t.a163 = 0x2194;\n  t.a164 = 0x2195;\n  t.a196 = 0x2798;\n  t.a165 = 0x2799;\n  t.a192 = 0x279a;\n  t.a166 = 0x279b;\n  t.a167 = 0x279c;\n  t.a168 = 0x279d;\n  t.a169 = 0x279e;\n  t.a170 = 0x279f;\n  t.a171 = 0x27a0;\n  t.a172 = 0x27a1;\n  t.a173 = 0x27a2;\n  t.a162 = 0x27a3;\n  t.a174 = 0x27a4;\n  t.a175 = 0x27a5;\n  t.a176 = 0x27a6;\n  t.a177 = 0x27a7;\n  t.a178 = 0x27a8;\n  t.a179 = 0x27a9;\n  t.a193 = 0x27aa;\n  t.a180 = 0x27ab;\n  t.a199 = 0x27ac;\n  t.a181 = 0x27ad;\n  t.a200 = 0x27ae;\n  t.a182 = 0x27af;\n  t.a201 = 0x27b1;\n  t.a183 = 0x27b2;\n  t.a184 = 0x27b3;\n  t.a197 = 0x27b4;\n  t.a185 = 0x27b5;\n  t.a194 = 0x27b6;\n  t.a198 = 0x27b7;\n  t.a186 = 0x27b8;\n  t.a195 = 0x27b9;\n  t.a187 = 0x27ba;\n  t.a188 = 0x27bb;\n  t.a189 = 0x27bc;\n  t.a190 = 0x27bd;\n  t.a191 = 0x27be;\n  t.a89 = 0x2768; // 0xF8D7\n  t.a90 = 0x2769; // 0xF8D8\n  t.a93 = 0x276a; // 0xF8D9\n  t.a94 = 0x276b; // 0xF8DA\n  t.a91 = 0x276c; // 0xF8DB\n  t.a92 = 0x276d; // 0xF8DC\n  t.a205 = 0x276e; // 0xF8DD\n  t.a85 = 0x276f; // 0xF8DE\n  t.a206 = 0x2770; // 0xF8DF\n  t.a86 = 0x2771; // 0xF8E0\n  t.a87 = 0x2772; // 0xF8E1\n  t.a88 = 0x2773; // 0xF8E2\n  t.a95 = 0x2774; // 0xF8E3\n  t.a96 = 0x2775; // 0xF8E4\n  t[\".notdef\"] = 0x0000;\n});\n\nexports.getGlyphsUnicode = getGlyphsUnicode;\nexports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { getLookupTableFactory } from \"./core_utils.js\";\n\n/**\n * Hold a map of decoded fonts and of the standard fourteen Type1\n * fonts and their acronyms.\n */\nconst getStdFontMap = getLookupTableFactory(function (t) {\n  t.ArialNarrow = \"Helvetica\";\n  t[\"ArialNarrow-Bold\"] = \"Helvetica-Bold\";\n  t[\"ArialNarrow-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"ArialNarrow-Italic\"] = \"Helvetica-Oblique\";\n  t.ArialBlack = \"Helvetica\";\n  t[\"ArialBlack-Bold\"] = \"Helvetica-Bold\";\n  t[\"ArialBlack-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"ArialBlack-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Arial-Black\"] = \"Helvetica\";\n  t[\"Arial-Black-Bold\"] = \"Helvetica-Bold\";\n  t[\"Arial-Black-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-Black-Italic\"] = \"Helvetica-Oblique\";\n  t.Arial = \"Helvetica\";\n  t[\"Arial-Bold\"] = \"Helvetica-Bold\";\n  t[\"Arial-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Arial-BoldItalicMT\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-BoldMT\"] = \"Helvetica-Bold\";\n  t[\"Arial-ItalicMT\"] = \"Helvetica-Oblique\";\n  t.ArialMT = \"Helvetica\";\n  t[\"Courier-Bold\"] = \"Courier-Bold\";\n  t[\"Courier-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"Courier-Italic\"] = \"Courier-Oblique\";\n  t.CourierNew = \"Courier\";\n  t[\"CourierNew-Bold\"] = \"Courier-Bold\";\n  t[\"CourierNew-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"CourierNew-Italic\"] = \"Courier-Oblique\";\n  t[\"CourierNewPS-BoldItalicMT\"] = \"Courier-BoldOblique\";\n  t[\"CourierNewPS-BoldMT\"] = \"Courier-Bold\";\n  t[\"CourierNewPS-ItalicMT\"] = \"Courier-Oblique\";\n  t.CourierNewPSMT = \"Courier\";\n  t.Helvetica = \"Helvetica\";\n  t[\"Helvetica-Bold\"] = \"Helvetica-Bold\";\n  t[\"Helvetica-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Helvetica-BoldOblique\"] = \"Helvetica-BoldOblique\";\n  t[\"Helvetica-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Helvetica-Oblique\"] = \"Helvetica-Oblique\";\n  t[\"Symbol-Bold\"] = \"Symbol\";\n  t[\"Symbol-BoldItalic\"] = \"Symbol\";\n  t[\"Symbol-Italic\"] = \"Symbol\";\n  t.TimesNewRoman = \"Times-Roman\";\n  t[\"TimesNewRoman-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRoman-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRoman-Italic\"] = \"Times-Italic\";\n  t.TimesNewRomanPS = \"Times-Roman\";\n  t[\"TimesNewRomanPS-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPS-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPS-BoldItalicMT\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPS-BoldMT\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPS-Italic\"] = \"Times-Italic\";\n  t[\"TimesNewRomanPS-ItalicMT\"] = \"Times-Italic\";\n  t.TimesNewRomanPSMT = \"Times-Roman\";\n  t[\"TimesNewRomanPSMT-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPSMT-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPSMT-Italic\"] = \"Times-Italic\";\n});\n\n/**\n * Holds the map of the non-standard fonts that might be included as\n * a standard fonts without glyph data.\n */\nconst getNonStdFontMap = getLookupTableFactory(function (t) {\n  t.Calibri = \"Helvetica\";\n  t[\"Calibri-Bold\"] = \"Helvetica-Bold\";\n  t[\"Calibri-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Calibri-Italic\"] = \"Helvetica-Oblique\";\n  t.CenturyGothic = \"Helvetica\";\n  t[\"CenturyGothic-Bold\"] = \"Helvetica-Bold\";\n  t[\"CenturyGothic-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"CenturyGothic-Italic\"] = \"Helvetica-Oblique\";\n  t.ComicSansMS = \"Comic Sans MS\";\n  t[\"ComicSansMS-Bold\"] = \"Comic Sans MS-Bold\";\n  t[\"ComicSansMS-BoldItalic\"] = \"Comic Sans MS-BoldItalic\";\n  t[\"ComicSansMS-Italic\"] = \"Comic Sans MS-Italic\";\n  t.LucidaConsole = \"Courier\";\n  t[\"LucidaConsole-Bold\"] = \"Courier-Bold\";\n  t[\"LucidaConsole-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"LucidaConsole-Italic\"] = \"Courier-Oblique\";\n  t[\"LucidaSans-Demi\"] = \"Helvetica-Bold\";\n  t[\"MS-Gothic\"] = \"MS Gothic\";\n  t[\"MS-Gothic-Bold\"] = \"MS Gothic-Bold\";\n  t[\"MS-Gothic-BoldItalic\"] = \"MS Gothic-BoldItalic\";\n  t[\"MS-Gothic-Italic\"] = \"MS Gothic-Italic\";\n  t[\"MS-Mincho\"] = \"MS Mincho\";\n  t[\"MS-Mincho-Bold\"] = \"MS Mincho-Bold\";\n  t[\"MS-Mincho-BoldItalic\"] = \"MS Mincho-BoldItalic\";\n  t[\"MS-Mincho-Italic\"] = \"MS Mincho-Italic\";\n  t[\"MS-PGothic\"] = \"MS PGothic\";\n  t[\"MS-PGothic-Bold\"] = \"MS PGothic-Bold\";\n  t[\"MS-PGothic-BoldItalic\"] = \"MS PGothic-BoldItalic\";\n  t[\"MS-PGothic-Italic\"] = \"MS PGothic-Italic\";\n  t[\"MS-PMincho\"] = \"MS PMincho\";\n  t[\"MS-PMincho-Bold\"] = \"MS PMincho-Bold\";\n  t[\"MS-PMincho-BoldItalic\"] = \"MS PMincho-BoldItalic\";\n  t[\"MS-PMincho-Italic\"] = \"MS PMincho-Italic\";\n  t.NuptialScript = \"Times-Italic\";\n  t.SegoeUISymbol = \"Helvetica\";\n  t.Wingdings = \"ZapfDingbats\";\n  t[\"Wingdings-Regular\"] = \"ZapfDingbats\";\n});\n\nconst getSerifFonts = getLookupTableFactory(function (t) {\n  t[\"Adobe Jenson\"] = true;\n  t[\"Adobe Text\"] = true;\n  t.Albertus = true;\n  t.Aldus = true;\n  t.Alexandria = true;\n  t.Algerian = true;\n  t[\"American Typewriter\"] = true;\n  t.Antiqua = true;\n  t.Apex = true;\n  t.Arno = true;\n  t.Aster = true;\n  t.Aurora = true;\n  t.Baskerville = true;\n  t.Bell = true;\n  t.Bembo = true;\n  t[\"Bembo Schoolbook\"] = true;\n  t.Benguiat = true;\n  t[\"Berkeley Old Style\"] = true;\n  t[\"Bernhard Modern\"] = true;\n  t[\"Berthold City\"] = true;\n  t.Bodoni = true;\n  t[\"Bauer Bodoni\"] = true;\n  t[\"Book Antiqua\"] = true;\n  t.Bookman = true;\n  t[\"Bordeaux Roman\"] = true;\n  t[\"Californian FB\"] = true;\n  t.Calisto = true;\n  t.Calvert = true;\n  t.Capitals = true;\n  t.Cambria = true;\n  t.Cartier = true;\n  t.Caslon = true;\n  t.Catull = true;\n  t.Centaur = true;\n  t[\"Century Old Style\"] = true;\n  t[\"Century Schoolbook\"] = true;\n  t.Chaparral = true;\n  t[\"Charis SIL\"] = true;\n  t.Cheltenham = true;\n  t[\"Cholla Slab\"] = true;\n  t.Clarendon = true;\n  t.Clearface = true;\n  t.Cochin = true;\n  t.Colonna = true;\n  t[\"Computer Modern\"] = true;\n  t[\"Concrete Roman\"] = true;\n  t.Constantia = true;\n  t[\"Cooper Black\"] = true;\n  t.Corona = true;\n  t.Ecotype = true;\n  t.Egyptienne = true;\n  t.Elephant = true;\n  t.Excelsior = true;\n  t.Fairfield = true;\n  t[\"FF Scala\"] = true;\n  t.Folkard = true;\n  t.Footlight = true;\n  t.FreeSerif = true;\n  t[\"Friz Quadrata\"] = true;\n  t.Garamond = true;\n  t.Gentium = true;\n  t.Georgia = true;\n  t.Gloucester = true;\n  t[\"Goudy Old Style\"] = true;\n  t[\"Goudy Schoolbook\"] = true;\n  t[\"Goudy Pro Font\"] = true;\n  t.Granjon = true;\n  t[\"Guardian Egyptian\"] = true;\n  t.Heather = true;\n  t.Hercules = true;\n  t[\"High Tower Text\"] = true;\n  t.Hiroshige = true;\n  t[\"Hoefler Text\"] = true;\n  t[\"Humana Serif\"] = true;\n  t.Imprint = true;\n  t[\"Ionic No. 5\"] = true;\n  t.Janson = true;\n  t.Joanna = true;\n  t.Korinna = true;\n  t.Lexicon = true;\n  t[\"Liberation Serif\"] = true;\n  t[\"Linux Libertine\"] = true;\n  t.Literaturnaya = true;\n  t.Lucida = true;\n  t[\"Lucida Bright\"] = true;\n  t.Melior = true;\n  t.Memphis = true;\n  t.Miller = true;\n  t.Minion = true;\n  t.Modern = true;\n  t[\"Mona Lisa\"] = true;\n  t[\"Mrs Eaves\"] = true;\n  t[\"MS Serif\"] = true;\n  t[\"Museo Slab\"] = true;\n  t[\"New York\"] = true;\n  t[\"Nimbus Roman\"] = true;\n  t[\"NPS Rawlinson Roadway\"] = true;\n  t.NuptialScript = true;\n  t.Palatino = true;\n  t.Perpetua = true;\n  t.Plantin = true;\n  t[\"Plantin Schoolbook\"] = true;\n  t.Playbill = true;\n  t[\"Poor Richard\"] = true;\n  t[\"Rawlinson Roadway\"] = true;\n  t.Renault = true;\n  t.Requiem = true;\n  t.Rockwell = true;\n  t.Roman = true;\n  t[\"Rotis Serif\"] = true;\n  t.Sabon = true;\n  t.Scala = true;\n  t.Seagull = true;\n  t.Sistina = true;\n  t.Souvenir = true;\n  t.STIX = true;\n  t[\"Stone Informal\"] = true;\n  t[\"Stone Serif\"] = true;\n  t.Sylfaen = true;\n  t.Times = true;\n  t.Trajan = true;\n  t[\"Trinité\"] = true;\n  t[\"Trump Mediaeval\"] = true;\n  t.Utopia = true;\n  t[\"Vale Type\"] = true;\n  t[\"Bitstream Vera\"] = true;\n  t[\"Vera Serif\"] = true;\n  t.Versailles = true;\n  t.Wanted = true;\n  t.Weiss = true;\n  t[\"Wide Latin\"] = true;\n  t.Windsor = true;\n  t.XITS = true;\n});\n\nconst getSymbolsFonts = getLookupTableFactory(function (t) {\n  t.Dingbats = true;\n  t.Symbol = true;\n  t.ZapfDingbats = true;\n});\n\n// Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID\n// fonts, but does not embed the CID to GID mapping. The mapping is incomplete\n// for all glyphs, but common for some set of the standard fonts.\nconst getGlyphMapForStandardFonts = getLookupTableFactory(function (t) {\n  t[2] = 10;\n  t[3] = 32;\n  t[4] = 33;\n  t[5] = 34;\n  t[6] = 35;\n  t[7] = 36;\n  t[8] = 37;\n  t[9] = 38;\n  t[10] = 39;\n  t[11] = 40;\n  t[12] = 41;\n  t[13] = 42;\n  t[14] = 43;\n  t[15] = 44;\n  t[16] = 45;\n  t[17] = 46;\n  t[18] = 47;\n  t[19] = 48;\n  t[20] = 49;\n  t[21] = 50;\n  t[22] = 51;\n  t[23] = 52;\n  t[24] = 53;\n  t[25] = 54;\n  t[26] = 55;\n  t[27] = 56;\n  t[28] = 57;\n  t[29] = 58;\n  t[30] = 894;\n  t[31] = 60;\n  t[32] = 61;\n  t[33] = 62;\n  t[34] = 63;\n  t[35] = 64;\n  t[36] = 65;\n  t[37] = 66;\n  t[38] = 67;\n  t[39] = 68;\n  t[40] = 69;\n  t[41] = 70;\n  t[42] = 71;\n  t[43] = 72;\n  t[44] = 73;\n  t[45] = 74;\n  t[46] = 75;\n  t[47] = 76;\n  t[48] = 77;\n  t[49] = 78;\n  t[50] = 79;\n  t[51] = 80;\n  t[52] = 81;\n  t[53] = 82;\n  t[54] = 83;\n  t[55] = 84;\n  t[56] = 85;\n  t[57] = 86;\n  t[58] = 87;\n  t[59] = 88;\n  t[60] = 89;\n  t[61] = 90;\n  t[62] = 91;\n  t[63] = 92;\n  t[64] = 93;\n  t[65] = 94;\n  t[66] = 95;\n  t[67] = 96;\n  t[68] = 97;\n  t[69] = 98;\n  t[70] = 99;\n  t[71] = 100;\n  t[72] = 101;\n  t[73] = 102;\n  t[74] = 103;\n  t[75] = 104;\n  t[76] = 105;\n  t[77] = 106;\n  t[78] = 107;\n  t[79] = 108;\n  t[80] = 109;\n  t[81] = 110;\n  t[82] = 111;\n  t[83] = 112;\n  t[84] = 113;\n  t[85] = 114;\n  t[86] = 115;\n  t[87] = 116;\n  t[88] = 117;\n  t[89] = 118;\n  t[90] = 119;\n  t[91] = 120;\n  t[92] = 121;\n  t[93] = 122;\n  t[94] = 123;\n  t[95] = 124;\n  t[96] = 125;\n  t[97] = 126;\n  t[98] = 196;\n  t[99] = 197;\n  t[100] = 199;\n  t[101] = 201;\n  t[102] = 209;\n  t[103] = 214;\n  t[104] = 220;\n  t[105] = 225;\n  t[106] = 224;\n  t[107] = 226;\n  t[108] = 228;\n  t[109] = 227;\n  t[110] = 229;\n  t[111] = 231;\n  t[112] = 233;\n  t[113] = 232;\n  t[114] = 234;\n  t[115] = 235;\n  t[116] = 237;\n  t[117] = 236;\n  t[118] = 238;\n  t[119] = 239;\n  t[120] = 241;\n  t[121] = 243;\n  t[122] = 242;\n  t[123] = 244;\n  t[124] = 246;\n  t[125] = 245;\n  t[126] = 250;\n  t[127] = 249;\n  t[128] = 251;\n  t[129] = 252;\n  t[130] = 8224;\n  t[131] = 176;\n  t[132] = 162;\n  t[133] = 163;\n  t[134] = 167;\n  t[135] = 8226;\n  t[136] = 182;\n  t[137] = 223;\n  t[138] = 174;\n  t[139] = 169;\n  t[140] = 8482;\n  t[141] = 180;\n  t[142] = 168;\n  t[143] = 8800;\n  t[144] = 198;\n  t[145] = 216;\n  t[146] = 8734;\n  t[147] = 177;\n  t[148] = 8804;\n  t[149] = 8805;\n  t[150] = 165;\n  t[151] = 181;\n  t[152] = 8706;\n  t[153] = 8721;\n  t[154] = 8719;\n  t[156] = 8747;\n  t[157] = 170;\n  t[158] = 186;\n  t[159] = 8486;\n  t[160] = 230;\n  t[161] = 248;\n  t[162] = 191;\n  t[163] = 161;\n  t[164] = 172;\n  t[165] = 8730;\n  t[166] = 402;\n  t[167] = 8776;\n  t[168] = 8710;\n  t[169] = 171;\n  t[170] = 187;\n  t[171] = 8230;\n  t[210] = 218;\n  t[223] = 711;\n  t[224] = 321;\n  t[225] = 322;\n  t[227] = 353;\n  t[229] = 382;\n  t[234] = 253;\n  t[252] = 263;\n  t[253] = 268;\n  t[254] = 269;\n  t[258] = 258;\n  t[260] = 260;\n  t[261] = 261;\n  t[265] = 280;\n  t[266] = 281;\n  t[268] = 283;\n  t[269] = 313;\n  t[275] = 323;\n  t[276] = 324;\n  t[278] = 328;\n  t[284] = 345;\n  t[285] = 346;\n  t[286] = 347;\n  t[292] = 367;\n  t[295] = 377;\n  t[296] = 378;\n  t[298] = 380;\n  t[305] = 963;\n  t[306] = 964;\n  t[307] = 966;\n  t[308] = 8215;\n  t[309] = 8252;\n  t[310] = 8319;\n  t[311] = 8359;\n  t[312] = 8592;\n  t[313] = 8593;\n  t[337] = 9552;\n  t[493] = 1039;\n  t[494] = 1040;\n  t[705] = 1524;\n  t[706] = 8362;\n  t[710] = 64288;\n  t[711] = 64298;\n  t[759] = 1617;\n  t[761] = 1776;\n  t[763] = 1778;\n  t[775] = 1652;\n  t[777] = 1764;\n  t[778] = 1780;\n  t[779] = 1781;\n  t[780] = 1782;\n  t[782] = 771;\n  t[783] = 64726;\n  t[786] = 8363;\n  t[788] = 8532;\n  t[790] = 768;\n  t[791] = 769;\n  t[792] = 768;\n  t[795] = 803;\n  t[797] = 64336;\n  t[798] = 64337;\n  t[799] = 64342;\n  t[800] = 64343;\n  t[801] = 64344;\n  t[802] = 64345;\n  t[803] = 64362;\n  t[804] = 64363;\n  t[805] = 64364;\n  t[2424] = 7821;\n  t[2425] = 7822;\n  t[2426] = 7823;\n  t[2427] = 7824;\n  t[2428] = 7825;\n  t[2429] = 7826;\n  t[2430] = 7827;\n  t[2433] = 7682;\n  t[2678] = 8045;\n  t[2679] = 8046;\n  t[2830] = 1552;\n  t[2838] = 686;\n  t[2840] = 751;\n  t[2842] = 753;\n  t[2843] = 754;\n  t[2844] = 755;\n  t[2846] = 757;\n  t[2856] = 767;\n  t[2857] = 848;\n  t[2858] = 849;\n  t[2862] = 853;\n  t[2863] = 854;\n  t[2864] = 855;\n  t[2865] = 861;\n  t[2866] = 862;\n  t[2906] = 7460;\n  t[2908] = 7462;\n  t[2909] = 7463;\n  t[2910] = 7464;\n  t[2912] = 7466;\n  t[2913] = 7467;\n  t[2914] = 7468;\n  t[2916] = 7470;\n  t[2917] = 7471;\n  t[2918] = 7472;\n  t[2920] = 7474;\n  t[2921] = 7475;\n  t[2922] = 7476;\n  t[2924] = 7478;\n  t[2925] = 7479;\n  t[2926] = 7480;\n  t[2928] = 7482;\n  t[2929] = 7483;\n  t[2930] = 7484;\n  t[2932] = 7486;\n  t[2933] = 7487;\n  t[2934] = 7488;\n  t[2936] = 7490;\n  t[2937] = 7491;\n  t[2938] = 7492;\n  t[2940] = 7494;\n  t[2941] = 7495;\n  t[2942] = 7496;\n  t[2944] = 7498;\n  t[2946] = 7500;\n  t[2948] = 7502;\n  t[2950] = 7504;\n  t[2951] = 7505;\n  t[2952] = 7506;\n  t[2954] = 7508;\n  t[2955] = 7509;\n  t[2956] = 7510;\n  t[2958] = 7512;\n  t[2959] = 7513;\n  t[2960] = 7514;\n  t[2962] = 7516;\n  t[2963] = 7517;\n  t[2964] = 7518;\n  t[2966] = 7520;\n  t[2967] = 7521;\n  t[2968] = 7522;\n  t[2970] = 7524;\n  t[2971] = 7525;\n  t[2972] = 7526;\n  t[2974] = 7528;\n  t[2975] = 7529;\n  t[2976] = 7530;\n  t[2978] = 1537;\n  t[2979] = 1538;\n  t[2980] = 1539;\n  t[2982] = 1549;\n  t[2983] = 1551;\n  t[2984] = 1552;\n  t[2986] = 1554;\n  t[2987] = 1555;\n  t[2988] = 1556;\n  t[2990] = 1623;\n  t[2991] = 1624;\n  t[2995] = 1775;\n  t[2999] = 1791;\n  t[3002] = 64290;\n  t[3003] = 64291;\n  t[3004] = 64292;\n  t[3006] = 64294;\n  t[3007] = 64295;\n  t[3008] = 64296;\n  t[3011] = 1900;\n  t[3014] = 8223;\n  t[3015] = 8244;\n  t[3017] = 7532;\n  t[3018] = 7533;\n  t[3019] = 7534;\n  t[3075] = 7590;\n  t[3076] = 7591;\n  t[3079] = 7594;\n  t[3080] = 7595;\n  t[3083] = 7598;\n  t[3084] = 7599;\n  t[3087] = 7602;\n  t[3088] = 7603;\n  t[3091] = 7606;\n  t[3092] = 7607;\n  t[3095] = 7610;\n  t[3096] = 7611;\n  t[3099] = 7614;\n  t[3100] = 7615;\n  t[3103] = 7618;\n  t[3104] = 7619;\n  t[3107] = 8337;\n  t[3108] = 8338;\n  t[3116] = 1884;\n  t[3119] = 1885;\n  t[3120] = 1885;\n  t[3123] = 1886;\n  t[3124] = 1886;\n  t[3127] = 1887;\n  t[3128] = 1887;\n  t[3131] = 1888;\n  t[3132] = 1888;\n  t[3135] = 1889;\n  t[3136] = 1889;\n  t[3139] = 1890;\n  t[3140] = 1890;\n  t[3143] = 1891;\n  t[3144] = 1891;\n  t[3147] = 1892;\n  t[3148] = 1892;\n  t[3153] = 580;\n  t[3154] = 581;\n  t[3157] = 584;\n  t[3158] = 585;\n  t[3161] = 588;\n  t[3162] = 589;\n  t[3165] = 891;\n  t[3166] = 892;\n  t[3169] = 1274;\n  t[3170] = 1275;\n  t[3173] = 1278;\n  t[3174] = 1279;\n  t[3181] = 7622;\n  t[3182] = 7623;\n  t[3282] = 11799;\n  t[3316] = 578;\n  t[3379] = 42785;\n  t[3393] = 1159;\n  t[3416] = 8377;\n});\n\n// The glyph map for ArialBlack differs slightly from the glyph map used for\n// other well-known standard fonts. Hence we use this (incomplete) CID to GID\n// mapping to adjust the glyph map for non-embedded ArialBlack fonts.\nconst getSupplementalGlyphMapForArialBlack = getLookupTableFactory(function (\n  t\n) {\n  t[227] = 322;\n  t[264] = 261;\n  t[291] = 346;\n});\n\n// The glyph map for Calibri (a Windows font) differs from the glyph map used\n// in the standard fonts. Hence we use this (incomplete) CID to GID mapping to\n// adjust the glyph map for non-embedded Calibri fonts.\nconst getSupplementalGlyphMapForCalibri = getLookupTableFactory(function (t) {\n  t[1] = 32;\n  t[4] = 65;\n  t[17] = 66;\n  t[18] = 67;\n  t[24] = 68;\n  t[28] = 69;\n  t[38] = 70;\n  t[39] = 71;\n  t[44] = 72;\n  t[47] = 73;\n  t[58] = 74;\n  t[60] = 75;\n  t[62] = 76;\n  t[68] = 77;\n  t[69] = 78;\n  t[75] = 79;\n  t[87] = 80;\n  t[89] = 81;\n  t[90] = 82;\n  t[94] = 83;\n  t[100] = 84;\n  t[104] = 85;\n  t[115] = 86;\n  t[116] = 87;\n  t[121] = 88;\n  t[122] = 89;\n  t[127] = 90;\n  t[258] = 97;\n  t[268] = 261;\n  t[271] = 98;\n  t[272] = 99;\n  t[273] = 263;\n  t[282] = 100;\n  t[286] = 101;\n  t[295] = 281;\n  t[296] = 102;\n  t[336] = 103;\n  t[346] = 104;\n  t[349] = 105;\n  t[361] = 106;\n  t[364] = 107;\n  t[367] = 108;\n  t[371] = 322;\n  t[373] = 109;\n  t[374] = 110;\n  t[381] = 111;\n  t[383] = 243;\n  t[393] = 112;\n  t[395] = 113;\n  t[396] = 114;\n  t[400] = 115;\n  t[401] = 347;\n  t[410] = 116;\n  t[437] = 117;\n  t[448] = 118;\n  t[449] = 119;\n  t[454] = 120;\n  t[455] = 121;\n  t[460] = 122;\n  t[463] = 380;\n  t[853] = 44;\n  t[855] = 58;\n  t[856] = 46;\n  t[876] = 47;\n  t[878] = 45;\n  t[882] = 45;\n  t[894] = 40;\n  t[895] = 41;\n  t[896] = 91;\n  t[897] = 93;\n  t[923] = 64;\n  t[1004] = 48;\n  t[1005] = 49;\n  t[1006] = 50;\n  t[1007] = 51;\n  t[1008] = 52;\n  t[1009] = 53;\n  t[1010] = 54;\n  t[1011] = 55;\n  t[1012] = 56;\n  t[1013] = 57;\n  t[1081] = 37;\n  t[1085] = 43;\n  t[1086] = 45;\n});\n\nexport {\n  getStdFontMap,\n  getNonStdFontMap,\n  getSerifFonts,\n  getSymbolsFonts,\n  getGlyphMapForStandardFonts,\n  getSupplementalGlyphMapForArialBlack,\n  getSupplementalGlyphMapForCalibri,\n};\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* no-babel-preset */\n\nvar getLookupTableFactory = require(\"./core_utils.js\").getLookupTableFactory;\n\n// Some characters, e.g. copyrightserif, are mapped to the private use area\n// and might not be displayed using standard fonts. Mapping/hacking well-known\n// chars to the similar equivalents in the normal characters range.\nvar getSpecialPUASymbols = getLookupTableFactory(function (t) {\n  t[63721] = 0x00a9; // copyrightsans (0xF8E9) => copyright\n  t[63193] = 0x00a9; // copyrightserif (0xF6D9) => copyright\n  t[63720] = 0x00ae; // registersans (0xF8E8) => registered\n  t[63194] = 0x00ae; // registerserif (0xF6DA) => registered\n  t[63722] = 0x2122; // trademarksans (0xF8EA) => trademark\n  t[63195] = 0x2122; // trademarkserif (0xF6DB) => trademark\n  t[63729] = 0x23a7; // bracelefttp (0xF8F1)\n  t[63730] = 0x23a8; // braceleftmid (0xF8F2)\n  t[63731] = 0x23a9; // braceleftbt (0xF8F3)\n  t[63740] = 0x23ab; // bracerighttp (0xF8FC)\n  t[63741] = 0x23ac; // bracerightmid (0xF8FD)\n  t[63742] = 0x23ad; // bracerightbt (0xF8FE)\n  t[63726] = 0x23a1; // bracketlefttp (0xF8EE)\n  t[63727] = 0x23a2; // bracketleftex (0xF8EF)\n  t[63728] = 0x23a3; // bracketleftbt (0xF8F0)\n  t[63737] = 0x23a4; // bracketrighttp (0xF8F9)\n  t[63738] = 0x23a5; // bracketrightex (0xF8FA)\n  t[63739] = 0x23a6; // bracketrightbt (0xF8FB)\n  t[63723] = 0x239b; // parenlefttp (0xF8EB)\n  t[63724] = 0x239c; // parenleftex (0xF8EC)\n  t[63725] = 0x239d; // parenleftbt (0xF8ED)\n  t[63734] = 0x239e; // parenrighttp (0xF8F6)\n  t[63735] = 0x239f; // parenrightex (0xF8F7)\n  t[63736] = 0x23a0; // parenrightbt (0xF8F8)\n});\n\nfunction mapSpecialUnicodeValues(code) {\n  if (code >= 0xfff0 && code <= 0xffff) {\n    // Specials unicode block.\n    return 0;\n  } else if (code >= 0xf600 && code <= 0xf8ff) {\n    return getSpecialPUASymbols()[code] || code;\n  } else if (code === /* softhyphen = */ 0x00ad) {\n    return 0x002d; // hyphen\n  }\n  return code;\n}\n\nfunction getUnicodeForGlyph(name, glyphsUnicodeMap) {\n  var unicode = glyphsUnicodeMap[name];\n  if (unicode !== undefined) {\n    return unicode;\n  }\n  if (!name) {\n    return -1;\n  }\n  // Try to recover valid Unicode values from 'uniXXXX'/'uXXXX{XX}' glyphs.\n  if (name[0] === \"u\") {\n    var nameLen = name.length,\n      hexStr;\n\n    if (nameLen === 7 && name[1] === \"n\" && name[2] === \"i\") {\n      // 'uniXXXX'\n      hexStr = name.substring(3);\n    } else if (nameLen >= 5 && nameLen <= 7) {\n      // 'uXXXX{XX}'\n      hexStr = name.substring(1);\n    } else {\n      return -1;\n    }\n    // Check for upper-case hexadecimal characters, to avoid false positives.\n    if (hexStr === hexStr.toUpperCase()) {\n      unicode = parseInt(hexStr, 16);\n      if (unicode >= 0) {\n        return unicode;\n      }\n    }\n  }\n  return -1;\n}\n\nvar UnicodeRanges = [\n  { begin: 0x0000, end: 0x007f }, // Basic Latin\n  { begin: 0x0080, end: 0x00ff }, // Latin-1 Supplement\n  { begin: 0x0100, end: 0x017f }, // Latin Extended-A\n  { begin: 0x0180, end: 0x024f }, // Latin Extended-B\n  { begin: 0x0250, end: 0x02af }, // IPA Extensions\n  { begin: 0x02b0, end: 0x02ff }, // Spacing Modifier Letters\n  { begin: 0x0300, end: 0x036f }, // Combining Diacritical Marks\n  { begin: 0x0370, end: 0x03ff }, // Greek and Coptic\n  { begin: 0x2c80, end: 0x2cff }, // Coptic\n  { begin: 0x0400, end: 0x04ff }, // Cyrillic\n  { begin: 0x0530, end: 0x058f }, // Armenian\n  { begin: 0x0590, end: 0x05ff }, // Hebrew\n  { begin: 0xa500, end: 0xa63f }, // Vai\n  { begin: 0x0600, end: 0x06ff }, // Arabic\n  { begin: 0x07c0, end: 0x07ff }, // NKo\n  { begin: 0x0900, end: 0x097f }, // Devanagari\n  { begin: 0x0980, end: 0x09ff }, // Bengali\n  { begin: 0x0a00, end: 0x0a7f }, // Gurmukhi\n  { begin: 0x0a80, end: 0x0aff }, // Gujarati\n  { begin: 0x0b00, end: 0x0b7f }, // Oriya\n  { begin: 0x0b80, end: 0x0bff }, // Tamil\n  { begin: 0x0c00, end: 0x0c7f }, // Telugu\n  { begin: 0x0c80, end: 0x0cff }, // Kannada\n  { begin: 0x0d00, end: 0x0d7f }, // Malayalam\n  { begin: 0x0e00, end: 0x0e7f }, // Thai\n  { begin: 0x0e80, end: 0x0eff }, // Lao\n  { begin: 0x10a0, end: 0x10ff }, // Georgian\n  { begin: 0x1b00, end: 0x1b7f }, // Balinese\n  { begin: 0x1100, end: 0x11ff }, // Hangul Jamo\n  { begin: 0x1e00, end: 0x1eff }, // Latin Extended Additional\n  { begin: 0x1f00, end: 0x1fff }, // Greek Extended\n  { begin: 0x2000, end: 0x206f }, // General Punctuation\n  { begin: 0x2070, end: 0x209f }, // Superscripts And Subscripts\n  { begin: 0x20a0, end: 0x20cf }, // Currency Symbol\n  { begin: 0x20d0, end: 0x20ff }, // Combining Diacritical Marks\n  { begin: 0x2100, end: 0x214f }, // Letterlike Symbols\n  { begin: 0x2150, end: 0x218f }, // Number Forms\n  { begin: 0x2190, end: 0x21ff }, // Arrows\n  { begin: 0x2200, end: 0x22ff }, // Mathematical Operators\n  { begin: 0x2300, end: 0x23ff }, // Miscellaneous Technical\n  { begin: 0x2400, end: 0x243f }, // Control Pictures\n  { begin: 0x2440, end: 0x245f }, // Optical Character Recognition\n  { begin: 0x2460, end: 0x24ff }, // Enclosed Alphanumerics\n  { begin: 0x2500, end: 0x257f }, // Box Drawing\n  { begin: 0x2580, end: 0x259f }, // Block Elements\n  { begin: 0x25a0, end: 0x25ff }, // Geometric Shapes\n  { begin: 0x2600, end: 0x26ff }, // Miscellaneous Symbols\n  { begin: 0x2700, end: 0x27bf }, // Dingbats\n  { begin: 0x3000, end: 0x303f }, // CJK Symbols And Punctuation\n  { begin: 0x3040, end: 0x309f }, // Hiragana\n  { begin: 0x30a0, end: 0x30ff }, // Katakana\n  { begin: 0x3100, end: 0x312f }, // Bopomofo\n  { begin: 0x3130, end: 0x318f }, // Hangul Compatibility Jamo\n  { begin: 0xa840, end: 0xa87f }, // Phags-pa\n  { begin: 0x3200, end: 0x32ff }, // Enclosed CJK Letters And Months\n  { begin: 0x3300, end: 0x33ff }, // CJK Compatibility\n  { begin: 0xac00, end: 0xd7af }, // Hangul Syllables\n  { begin: 0xd800, end: 0xdfff }, // Non-Plane 0 *\n  { begin: 0x10900, end: 0x1091f }, // Phoenicia\n  { begin: 0x4e00, end: 0x9fff }, // CJK Unified Ideographs\n  { begin: 0xe000, end: 0xf8ff }, // Private Use Area (plane 0)\n  { begin: 0x31c0, end: 0x31ef }, // CJK Strokes\n  { begin: 0xfb00, end: 0xfb4f }, // Alphabetic Presentation Forms\n  { begin: 0xfb50, end: 0xfdff }, // Arabic Presentation Forms-A\n  { begin: 0xfe20, end: 0xfe2f }, // Combining Half Marks\n  { begin: 0xfe10, end: 0xfe1f }, // Vertical Forms\n  { begin: 0xfe50, end: 0xfe6f }, // Small Form Variants\n  { begin: 0xfe70, end: 0xfeff }, // Arabic Presentation Forms-B\n  { begin: 0xff00, end: 0xffef }, // Halfwidth And Fullwidth Forms\n  { begin: 0xfff0, end: 0xffff }, // Specials\n  { begin: 0x0f00, end: 0x0fff }, // Tibetan\n  { begin: 0x0700, end: 0x074f }, // Syriac\n  { begin: 0x0780, end: 0x07bf }, // Thaana\n  { begin: 0x0d80, end: 0x0dff }, // Sinhala\n  { begin: 0x1000, end: 0x109f }, // Myanmar\n  { begin: 0x1200, end: 0x137f }, // Ethiopic\n  { begin: 0x13a0, end: 0x13ff }, // Cherokee\n  { begin: 0x1400, end: 0x167f }, // Unified Canadian Aboriginal Syllabics\n  { begin: 0x1680, end: 0x169f }, // Ogham\n  { begin: 0x16a0, end: 0x16ff }, // Runic\n  { begin: 0x1780, end: 0x17ff }, // Khmer\n  { begin: 0x1800, end: 0x18af }, // Mongolian\n  { begin: 0x2800, end: 0x28ff }, // Braille Patterns\n  { begin: 0xa000, end: 0xa48f }, // Yi Syllables\n  { begin: 0x1700, end: 0x171f }, // Tagalog\n  { begin: 0x10300, end: 0x1032f }, // Old Italic\n  { begin: 0x10330, end: 0x1034f }, // Gothic\n  { begin: 0x10400, end: 0x1044f }, // Deseret\n  { begin: 0x1d000, end: 0x1d0ff }, // Byzantine Musical Symbols\n  { begin: 0x1d400, end: 0x1d7ff }, // Mathematical Alphanumeric Symbols\n  { begin: 0xff000, end: 0xffffd }, // Private Use (plane 15)\n  { begin: 0xfe00, end: 0xfe0f }, // Variation Selectors\n  { begin: 0xe0000, end: 0xe007f }, // Tags\n  { begin: 0x1900, end: 0x194f }, // Limbu\n  { begin: 0x1950, end: 0x197f }, // Tai Le\n  { begin: 0x1980, end: 0x19df }, // New Tai Lue\n  { begin: 0x1a00, end: 0x1a1f }, // Buginese\n  { begin: 0x2c00, end: 0x2c5f }, // Glagolitic\n  { begin: 0x2d30, end: 0x2d7f }, // Tifinagh\n  { begin: 0x4dc0, end: 0x4dff }, // Yijing Hexagram Symbols\n  { begin: 0xa800, end: 0xa82f }, // Syloti Nagri\n  { begin: 0x10000, end: 0x1007f }, // Linear B Syllabary\n  { begin: 0x10140, end: 0x1018f }, // Ancient Greek Numbers\n  { begin: 0x10380, end: 0x1039f }, // Ugaritic\n  { begin: 0x103a0, end: 0x103df }, // Old Persian\n  { begin: 0x10450, end: 0x1047f }, // Shavian\n  { begin: 0x10480, end: 0x104af }, // Osmanya\n  { begin: 0x10800, end: 0x1083f }, // Cypriot Syllabary\n  { begin: 0x10a00, end: 0x10a5f }, // Kharoshthi\n  { begin: 0x1d300, end: 0x1d35f }, // Tai Xuan Jing Symbols\n  { begin: 0x12000, end: 0x123ff }, // Cuneiform\n  { begin: 0x1d360, end: 0x1d37f }, // Counting Rod Numerals\n  { begin: 0x1b80, end: 0x1bbf }, // Sundanese\n  { begin: 0x1c00, end: 0x1c4f }, // Lepcha\n  { begin: 0x1c50, end: 0x1c7f }, // Ol Chiki\n  { begin: 0xa880, end: 0xa8df }, // Saurashtra\n  { begin: 0xa900, end: 0xa92f }, // Kayah Li\n  { begin: 0xa930, end: 0xa95f }, // Rejang\n  { begin: 0xaa00, end: 0xaa5f }, // Cham\n  { begin: 0x10190, end: 0x101cf }, // Ancient Symbols\n  { begin: 0x101d0, end: 0x101ff }, // Phaistos Disc\n  { begin: 0x102a0, end: 0x102df }, // Carian\n  { begin: 0x1f030, end: 0x1f09f }, // Domino Tiles\n];\n\nfunction getUnicodeRangeFor(value) {\n  for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {\n    var range = UnicodeRanges[i];\n    if (value >= range.begin && value < range.end) {\n      return i;\n    }\n  }\n  return -1;\n}\n\nfunction isRTLRangeFor(value) {\n  var range = UnicodeRanges[13];\n  if (value >= range.begin && value < range.end) {\n    return true;\n  }\n  range = UnicodeRanges[11];\n  if (value >= range.begin && value < range.end) {\n    return true;\n  }\n  return false;\n}\n\n// The normalization table is obtained by filtering the Unicode characters\n// database with <compat> entries.\nvar getNormalizedUnicodes = getLookupTableFactory(function (t) {\n  t[\"\\u00A8\"] = \"\\u0020\\u0308\";\n  t[\"\\u00AF\"] = \"\\u0020\\u0304\";\n  t[\"\\u00B4\"] = \"\\u0020\\u0301\";\n  t[\"\\u00B5\"] = \"\\u03BC\";\n  t[\"\\u00B8\"] = \"\\u0020\\u0327\";\n  t[\"\\u0132\"] = \"\\u0049\\u004A\";\n  t[\"\\u0133\"] = \"\\u0069\\u006A\";\n  t[\"\\u013F\"] = \"\\u004C\\u00B7\";\n  t[\"\\u0140\"] = \"\\u006C\\u00B7\";\n  t[\"\\u0149\"] = \"\\u02BC\\u006E\";\n  t[\"\\u017F\"] = \"\\u0073\";\n  t[\"\\u01C4\"] = \"\\u0044\\u017D\";\n  t[\"\\u01C5\"] = \"\\u0044\\u017E\";\n  t[\"\\u01C6\"] = \"\\u0064\\u017E\";\n  t[\"\\u01C7\"] = \"\\u004C\\u004A\";\n  t[\"\\u01C8\"] = \"\\u004C\\u006A\";\n  t[\"\\u01C9\"] = \"\\u006C\\u006A\";\n  t[\"\\u01CA\"] = \"\\u004E\\u004A\";\n  t[\"\\u01CB\"] = \"\\u004E\\u006A\";\n  t[\"\\u01CC\"] = \"\\u006E\\u006A\";\n  t[\"\\u01F1\"] = \"\\u0044\\u005A\";\n  t[\"\\u01F2\"] = \"\\u0044\\u007A\";\n  t[\"\\u01F3\"] = \"\\u0064\\u007A\";\n  t[\"\\u02D8\"] = \"\\u0020\\u0306\";\n  t[\"\\u02D9\"] = \"\\u0020\\u0307\";\n  t[\"\\u02DA\"] = \"\\u0020\\u030A\";\n  t[\"\\u02DB\"] = \"\\u0020\\u0328\";\n  t[\"\\u02DC\"] = \"\\u0020\\u0303\";\n  t[\"\\u02DD\"] = \"\\u0020\\u030B\";\n  t[\"\\u037A\"] = \"\\u0020\\u0345\";\n  t[\"\\u0384\"] = \"\\u0020\\u0301\";\n  t[\"\\u03D0\"] = \"\\u03B2\";\n  t[\"\\u03D1\"] = \"\\u03B8\";\n  t[\"\\u03D2\"] = \"\\u03A5\";\n  t[\"\\u03D5\"] = \"\\u03C6\";\n  t[\"\\u03D6\"] = \"\\u03C0\";\n  t[\"\\u03F0\"] = \"\\u03BA\";\n  t[\"\\u03F1\"] = \"\\u03C1\";\n  t[\"\\u03F2\"] = \"\\u03C2\";\n  t[\"\\u03F4\"] = \"\\u0398\";\n  t[\"\\u03F5\"] = \"\\u03B5\";\n  t[\"\\u03F9\"] = \"\\u03A3\";\n  t[\"\\u0587\"] = \"\\u0565\\u0582\";\n  t[\"\\u0675\"] = \"\\u0627\\u0674\";\n  t[\"\\u0676\"] = \"\\u0648\\u0674\";\n  t[\"\\u0677\"] = \"\\u06C7\\u0674\";\n  t[\"\\u0678\"] = \"\\u064A\\u0674\";\n  t[\"\\u0E33\"] = \"\\u0E4D\\u0E32\";\n  t[\"\\u0EB3\"] = \"\\u0ECD\\u0EB2\";\n  t[\"\\u0EDC\"] = \"\\u0EAB\\u0E99\";\n  t[\"\\u0EDD\"] = \"\\u0EAB\\u0EA1\";\n  t[\"\\u0F77\"] = \"\\u0FB2\\u0F81\";\n  t[\"\\u0F79\"] = \"\\u0FB3\\u0F81\";\n  t[\"\\u1E9A\"] = \"\\u0061\\u02BE\";\n  t[\"\\u1FBD\"] = \"\\u0020\\u0313\";\n  t[\"\\u1FBF\"] = \"\\u0020\\u0313\";\n  t[\"\\u1FC0\"] = \"\\u0020\\u0342\";\n  t[\"\\u1FFE\"] = \"\\u0020\\u0314\";\n  t[\"\\u2002\"] = \"\\u0020\";\n  t[\"\\u2003\"] = \"\\u0020\";\n  t[\"\\u2004\"] = \"\\u0020\";\n  t[\"\\u2005\"] = \"\\u0020\";\n  t[\"\\u2006\"] = \"\\u0020\";\n  t[\"\\u2008\"] = \"\\u0020\";\n  t[\"\\u2009\"] = \"\\u0020\";\n  t[\"\\u200A\"] = \"\\u0020\";\n  t[\"\\u2017\"] = \"\\u0020\\u0333\";\n  t[\"\\u2024\"] = \"\\u002E\";\n  t[\"\\u2025\"] = \"\\u002E\\u002E\";\n  t[\"\\u2026\"] = \"\\u002E\\u002E\\u002E\";\n  t[\"\\u2033\"] = \"\\u2032\\u2032\";\n  t[\"\\u2034\"] = \"\\u2032\\u2032\\u2032\";\n  t[\"\\u2036\"] = \"\\u2035\\u2035\";\n  t[\"\\u2037\"] = \"\\u2035\\u2035\\u2035\";\n  t[\"\\u203C\"] = \"\\u0021\\u0021\";\n  t[\"\\u203E\"] = \"\\u0020\\u0305\";\n  t[\"\\u2047\"] = \"\\u003F\\u003F\";\n  t[\"\\u2048\"] = \"\\u003F\\u0021\";\n  t[\"\\u2049\"] = \"\\u0021\\u003F\";\n  t[\"\\u2057\"] = \"\\u2032\\u2032\\u2032\\u2032\";\n  t[\"\\u205F\"] = \"\\u0020\";\n  t[\"\\u20A8\"] = \"\\u0052\\u0073\";\n  t[\"\\u2100\"] = \"\\u0061\\u002F\\u0063\";\n  t[\"\\u2101\"] = \"\\u0061\\u002F\\u0073\";\n  t[\"\\u2103\"] = \"\\u00B0\\u0043\";\n  t[\"\\u2105\"] = \"\\u0063\\u002F\\u006F\";\n  t[\"\\u2106\"] = \"\\u0063\\u002F\\u0075\";\n  t[\"\\u2107\"] = \"\\u0190\";\n  t[\"\\u2109\"] = \"\\u00B0\\u0046\";\n  t[\"\\u2116\"] = \"\\u004E\\u006F\";\n  t[\"\\u2121\"] = \"\\u0054\\u0045\\u004C\";\n  t[\"\\u2135\"] = \"\\u05D0\";\n  t[\"\\u2136\"] = \"\\u05D1\";\n  t[\"\\u2137\"] = \"\\u05D2\";\n  t[\"\\u2138\"] = \"\\u05D3\";\n  t[\"\\u213B\"] = \"\\u0046\\u0041\\u0058\";\n  t[\"\\u2160\"] = \"\\u0049\";\n  t[\"\\u2161\"] = \"\\u0049\\u0049\";\n  t[\"\\u2162\"] = \"\\u0049\\u0049\\u0049\";\n  t[\"\\u2163\"] = \"\\u0049\\u0056\";\n  t[\"\\u2164\"] = \"\\u0056\";\n  t[\"\\u2165\"] = \"\\u0056\\u0049\";\n  t[\"\\u2166\"] = \"\\u0056\\u0049\\u0049\";\n  t[\"\\u2167\"] = \"\\u0056\\u0049\\u0049\\u0049\";\n  t[\"\\u2168\"] = \"\\u0049\\u0058\";\n  t[\"\\u2169\"] = \"\\u0058\";\n  t[\"\\u216A\"] = \"\\u0058\\u0049\";\n  t[\"\\u216B\"] = \"\\u0058\\u0049\\u0049\";\n  t[\"\\u216C\"] = \"\\u004C\";\n  t[\"\\u216D\"] = \"\\u0043\";\n  t[\"\\u216E\"] = \"\\u0044\";\n  t[\"\\u216F\"] = \"\\u004D\";\n  t[\"\\u2170\"] = \"\\u0069\";\n  t[\"\\u2171\"] = \"\\u0069\\u0069\";\n  t[\"\\u2172\"] = \"\\u0069\\u0069\\u0069\";\n  t[\"\\u2173\"] = \"\\u0069\\u0076\";\n  t[\"\\u2174\"] = \"\\u0076\";\n  t[\"\\u2175\"] = \"\\u0076\\u0069\";\n  t[\"\\u2176\"] = \"\\u0076\\u0069\\u0069\";\n  t[\"\\u2177\"] = \"\\u0076\\u0069\\u0069\\u0069\";\n  t[\"\\u2178\"] = \"\\u0069\\u0078\";\n  t[\"\\u2179\"] = \"\\u0078\";\n  t[\"\\u217A\"] = \"\\u0078\\u0069\";\n  t[\"\\u217B\"] = \"\\u0078\\u0069\\u0069\";\n  t[\"\\u217C\"] = \"\\u006C\";\n  t[\"\\u217D\"] = \"\\u0063\";\n  t[\"\\u217E\"] = \"\\u0064\";\n  t[\"\\u217F\"] = \"\\u006D\";\n  t[\"\\u222C\"] = \"\\u222B\\u222B\";\n  t[\"\\u222D\"] = \"\\u222B\\u222B\\u222B\";\n  t[\"\\u222F\"] = \"\\u222E\\u222E\";\n  t[\"\\u2230\"] = \"\\u222E\\u222E\\u222E\";\n  t[\"\\u2474\"] = \"\\u0028\\u0031\\u0029\";\n  t[\"\\u2475\"] = \"\\u0028\\u0032\\u0029\";\n  t[\"\\u2476\"] = \"\\u0028\\u0033\\u0029\";\n  t[\"\\u2477\"] = \"\\u0028\\u0034\\u0029\";\n  t[\"\\u2478\"] = \"\\u0028\\u0035\\u0029\";\n  t[\"\\u2479\"] = \"\\u0028\\u0036\\u0029\";\n  t[\"\\u247A\"] = \"\\u0028\\u0037\\u0029\";\n  t[\"\\u247B\"] = \"\\u0028\\u0038\\u0029\";\n  t[\"\\u247C\"] = \"\\u0028\\u0039\\u0029\";\n  t[\"\\u247D\"] = \"\\u0028\\u0031\\u0030\\u0029\";\n  t[\"\\u247E\"] = \"\\u0028\\u0031\\u0031\\u0029\";\n  t[\"\\u247F\"] = \"\\u0028\\u0031\\u0032\\u0029\";\n  t[\"\\u2480\"] = \"\\u0028\\u0031\\u0033\\u0029\";\n  t[\"\\u2481\"] = \"\\u0028\\u0031\\u0034\\u0029\";\n  t[\"\\u2482\"] = \"\\u0028\\u0031\\u0035\\u0029\";\n  t[\"\\u2483\"] = \"\\u0028\\u0031\\u0036\\u0029\";\n  t[\"\\u2484\"] = \"\\u0028\\u0031\\u0037\\u0029\";\n  t[\"\\u2485\"] = \"\\u0028\\u0031\\u0038\\u0029\";\n  t[\"\\u2486\"] = \"\\u0028\\u0031\\u0039\\u0029\";\n  t[\"\\u2487\"] = \"\\u0028\\u0032\\u0030\\u0029\";\n  t[\"\\u2488\"] = \"\\u0031\\u002E\";\n  t[\"\\u2489\"] = \"\\u0032\\u002E\";\n  t[\"\\u248A\"] = \"\\u0033\\u002E\";\n  t[\"\\u248B\"] = \"\\u0034\\u002E\";\n  t[\"\\u248C\"] = \"\\u0035\\u002E\";\n  t[\"\\u248D\"] = \"\\u0036\\u002E\";\n  t[\"\\u248E\"] = \"\\u0037\\u002E\";\n  t[\"\\u248F\"] = \"\\u0038\\u002E\";\n  t[\"\\u2490\"] = \"\\u0039\\u002E\";\n  t[\"\\u2491\"] = \"\\u0031\\u0030\\u002E\";\n  t[\"\\u2492\"] = \"\\u0031\\u0031\\u002E\";\n  t[\"\\u2493\"] = \"\\u0031\\u0032\\u002E\";\n  t[\"\\u2494\"] = \"\\u0031\\u0033\\u002E\";\n  t[\"\\u2495\"] = \"\\u0031\\u0034\\u002E\";\n  t[\"\\u2496\"] = \"\\u0031\\u0035\\u002E\";\n  t[\"\\u2497\"] = \"\\u0031\\u0036\\u002E\";\n  t[\"\\u2498\"] = \"\\u0031\\u0037\\u002E\";\n  t[\"\\u2499\"] = \"\\u0031\\u0038\\u002E\";\n  t[\"\\u249A\"] = \"\\u0031\\u0039\\u002E\";\n  t[\"\\u249B\"] = \"\\u0032\\u0030\\u002E\";\n  t[\"\\u249C\"] = \"\\u0028\\u0061\\u0029\";\n  t[\"\\u249D\"] = \"\\u0028\\u0062\\u0029\";\n  t[\"\\u249E\"] = \"\\u0028\\u0063\\u0029\";\n  t[\"\\u249F\"] = \"\\u0028\\u0064\\u0029\";\n  t[\"\\u24A0\"] = \"\\u0028\\u0065\\u0029\";\n  t[\"\\u24A1\"] = \"\\u0028\\u0066\\u0029\";\n  t[\"\\u24A2\"] = \"\\u0028\\u0067\\u0029\";\n  t[\"\\u24A3\"] = \"\\u0028\\u0068\\u0029\";\n  t[\"\\u24A4\"] = \"\\u0028\\u0069\\u0029\";\n  t[\"\\u24A5\"] = \"\\u0028\\u006A\\u0029\";\n  t[\"\\u24A6\"] = \"\\u0028\\u006B\\u0029\";\n  t[\"\\u24A7\"] = \"\\u0028\\u006C\\u0029\";\n  t[\"\\u24A8\"] = \"\\u0028\\u006D\\u0029\";\n  t[\"\\u24A9\"] = \"\\u0028\\u006E\\u0029\";\n  t[\"\\u24AA\"] = \"\\u0028\\u006F\\u0029\";\n  t[\"\\u24AB\"] = \"\\u0028\\u0070\\u0029\";\n  t[\"\\u24AC\"] = \"\\u0028\\u0071\\u0029\";\n  t[\"\\u24AD\"] = \"\\u0028\\u0072\\u0029\";\n  t[\"\\u24AE\"] = \"\\u0028\\u0073\\u0029\";\n  t[\"\\u24AF\"] = \"\\u0028\\u0074\\u0029\";\n  t[\"\\u24B0\"] = \"\\u0028\\u0075\\u0029\";\n  t[\"\\u24B1\"] = \"\\u0028\\u0076\\u0029\";\n  t[\"\\u24B2\"] = \"\\u0028\\u0077\\u0029\";\n  t[\"\\u24B3\"] = \"\\u0028\\u0078\\u0029\";\n  t[\"\\u24B4\"] = \"\\u0028\\u0079\\u0029\";\n  t[\"\\u24B5\"] = \"\\u0028\\u007A\\u0029\";\n  t[\"\\u2A0C\"] = \"\\u222B\\u222B\\u222B\\u222B\";\n  t[\"\\u2A74\"] = \"\\u003A\\u003A\\u003D\";\n  t[\"\\u2A75\"] = \"\\u003D\\u003D\";\n  t[\"\\u2A76\"] = \"\\u003D\\u003D\\u003D\";\n  t[\"\\u2E9F\"] = \"\\u6BCD\";\n  t[\"\\u2EF3\"] = \"\\u9F9F\";\n  t[\"\\u2F00\"] = \"\\u4E00\";\n  t[\"\\u2F01\"] = \"\\u4E28\";\n  t[\"\\u2F02\"] = \"\\u4E36\";\n  t[\"\\u2F03\"] = \"\\u4E3F\";\n  t[\"\\u2F04\"] = \"\\u4E59\";\n  t[\"\\u2F05\"] = \"\\u4E85\";\n  t[\"\\u2F06\"] = \"\\u4E8C\";\n  t[\"\\u2F07\"] = \"\\u4EA0\";\n  t[\"\\u2F08\"] = \"\\u4EBA\";\n  t[\"\\u2F09\"] = \"\\u513F\";\n  t[\"\\u2F0A\"] = \"\\u5165\";\n  t[\"\\u2F0B\"] = \"\\u516B\";\n  t[\"\\u2F0C\"] = \"\\u5182\";\n  t[\"\\u2F0D\"] = \"\\u5196\";\n  t[\"\\u2F0E\"] = \"\\u51AB\";\n  t[\"\\u2F0F\"] = \"\\u51E0\";\n  t[\"\\u2F10\"] = \"\\u51F5\";\n  t[\"\\u2F11\"] = \"\\u5200\";\n  t[\"\\u2F12\"] = \"\\u529B\";\n  t[\"\\u2F13\"] = \"\\u52F9\";\n  t[\"\\u2F14\"] = \"\\u5315\";\n  t[\"\\u2F15\"] = \"\\u531A\";\n  t[\"\\u2F16\"] = \"\\u5338\";\n  t[\"\\u2F17\"] = \"\\u5341\";\n  t[\"\\u2F18\"] = \"\\u535C\";\n  t[\"\\u2F19\"] = \"\\u5369\";\n  t[\"\\u2F1A\"] = \"\\u5382\";\n  t[\"\\u2F1B\"] = \"\\u53B6\";\n  t[\"\\u2F1C\"] = \"\\u53C8\";\n  t[\"\\u2F1D\"] = \"\\u53E3\";\n  t[\"\\u2F1E\"] = \"\\u56D7\";\n  t[\"\\u2F1F\"] = \"\\u571F\";\n  t[\"\\u2F20\"] = \"\\u58EB\";\n  t[\"\\u2F21\"] = \"\\u5902\";\n  t[\"\\u2F22\"] = \"\\u590A\";\n  t[\"\\u2F23\"] = \"\\u5915\";\n  t[\"\\u2F24\"] = \"\\u5927\";\n  t[\"\\u2F25\"] = \"\\u5973\";\n  t[\"\\u2F26\"] = \"\\u5B50\";\n  t[\"\\u2F27\"] = \"\\u5B80\";\n  t[\"\\u2F28\"] = \"\\u5BF8\";\n  t[\"\\u2F29\"] = \"\\u5C0F\";\n  t[\"\\u2F2A\"] = \"\\u5C22\";\n  t[\"\\u2F2B\"] = \"\\u5C38\";\n  t[\"\\u2F2C\"] = \"\\u5C6E\";\n  t[\"\\u2F2D\"] = \"\\u5C71\";\n  t[\"\\u2F2E\"] = \"\\u5DDB\";\n  t[\"\\u2F2F\"] = \"\\u5DE5\";\n  t[\"\\u2F30\"] = \"\\u5DF1\";\n  t[\"\\u2F31\"] = \"\\u5DFE\";\n  t[\"\\u2F32\"] = \"\\u5E72\";\n  t[\"\\u2F33\"] = \"\\u5E7A\";\n  t[\"\\u2F34\"] = \"\\u5E7F\";\n  t[\"\\u2F35\"] = \"\\u5EF4\";\n  t[\"\\u2F36\"] = \"\\u5EFE\";\n  t[\"\\u2F37\"] = \"\\u5F0B\";\n  t[\"\\u2F38\"] = \"\\u5F13\";\n  t[\"\\u2F39\"] = \"\\u5F50\";\n  t[\"\\u2F3A\"] = \"\\u5F61\";\n  t[\"\\u2F3B\"] = \"\\u5F73\";\n  t[\"\\u2F3C\"] = \"\\u5FC3\";\n  t[\"\\u2F3D\"] = \"\\u6208\";\n  t[\"\\u2F3E\"] = \"\\u6236\";\n  t[\"\\u2F3F\"] = \"\\u624B\";\n  t[\"\\u2F40\"] = \"\\u652F\";\n  t[\"\\u2F41\"] = \"\\u6534\";\n  t[\"\\u2F42\"] = \"\\u6587\";\n  t[\"\\u2F43\"] = \"\\u6597\";\n  t[\"\\u2F44\"] = \"\\u65A4\";\n  t[\"\\u2F45\"] = \"\\u65B9\";\n  t[\"\\u2F46\"] = \"\\u65E0\";\n  t[\"\\u2F47\"] = \"\\u65E5\";\n  t[\"\\u2F48\"] = \"\\u66F0\";\n  t[\"\\u2F49\"] = \"\\u6708\";\n  t[\"\\u2F4A\"] = \"\\u6728\";\n  t[\"\\u2F4B\"] = \"\\u6B20\";\n  t[\"\\u2F4C\"] = \"\\u6B62\";\n  t[\"\\u2F4D\"] = \"\\u6B79\";\n  t[\"\\u2F4E\"] = \"\\u6BB3\";\n  t[\"\\u2F4F\"] = \"\\u6BCB\";\n  t[\"\\u2F50\"] = \"\\u6BD4\";\n  t[\"\\u2F51\"] = \"\\u6BDB\";\n  t[\"\\u2F52\"] = \"\\u6C0F\";\n  t[\"\\u2F53\"] = \"\\u6C14\";\n  t[\"\\u2F54\"] = \"\\u6C34\";\n  t[\"\\u2F55\"] = \"\\u706B\";\n  t[\"\\u2F56\"] = \"\\u722A\";\n  t[\"\\u2F57\"] = \"\\u7236\";\n  t[\"\\u2F58\"] = \"\\u723B\";\n  t[\"\\u2F59\"] = \"\\u723F\";\n  t[\"\\u2F5A\"] = \"\\u7247\";\n  t[\"\\u2F5B\"] = \"\\u7259\";\n  t[\"\\u2F5C\"] = \"\\u725B\";\n  t[\"\\u2F5D\"] = \"\\u72AC\";\n  t[\"\\u2F5E\"] = \"\\u7384\";\n  t[\"\\u2F5F\"] = \"\\u7389\";\n  t[\"\\u2F60\"] = \"\\u74DC\";\n  t[\"\\u2F61\"] = \"\\u74E6\";\n  t[\"\\u2F62\"] = \"\\u7518\";\n  t[\"\\u2F63\"] = \"\\u751F\";\n  t[\"\\u2F64\"] = \"\\u7528\";\n  t[\"\\u2F65\"] = \"\\u7530\";\n  t[\"\\u2F66\"] = \"\\u758B\";\n  t[\"\\u2F67\"] = \"\\u7592\";\n  t[\"\\u2F68\"] = \"\\u7676\";\n  t[\"\\u2F69\"] = \"\\u767D\";\n  t[\"\\u2F6A\"] = \"\\u76AE\";\n  t[\"\\u2F6B\"] = \"\\u76BF\";\n  t[\"\\u2F6C\"] = \"\\u76EE\";\n  t[\"\\u2F6D\"] = \"\\u77DB\";\n  t[\"\\u2F6E\"] = \"\\u77E2\";\n  t[\"\\u2F6F\"] = \"\\u77F3\";\n  t[\"\\u2F70\"] = \"\\u793A\";\n  t[\"\\u2F71\"] = \"\\u79B8\";\n  t[\"\\u2F72\"] = \"\\u79BE\";\n  t[\"\\u2F73\"] = \"\\u7A74\";\n  t[\"\\u2F74\"] = \"\\u7ACB\";\n  t[\"\\u2F75\"] = \"\\u7AF9\";\n  t[\"\\u2F76\"] = \"\\u7C73\";\n  t[\"\\u2F77\"] = \"\\u7CF8\";\n  t[\"\\u2F78\"] = \"\\u7F36\";\n  t[\"\\u2F79\"] = \"\\u7F51\";\n  t[\"\\u2F7A\"] = \"\\u7F8A\";\n  t[\"\\u2F7B\"] = \"\\u7FBD\";\n  t[\"\\u2F7C\"] = \"\\u8001\";\n  t[\"\\u2F7D\"] = \"\\u800C\";\n  t[\"\\u2F7E\"] = \"\\u8012\";\n  t[\"\\u2F7F\"] = \"\\u8033\";\n  t[\"\\u2F80\"] = \"\\u807F\";\n  t[\"\\u2F81\"] = \"\\u8089\";\n  t[\"\\u2F82\"] = \"\\u81E3\";\n  t[\"\\u2F83\"] = \"\\u81EA\";\n  t[\"\\u2F84\"] = \"\\u81F3\";\n  t[\"\\u2F85\"] = \"\\u81FC\";\n  t[\"\\u2F86\"] = \"\\u820C\";\n  t[\"\\u2F87\"] = \"\\u821B\";\n  t[\"\\u2F88\"] = \"\\u821F\";\n  t[\"\\u2F89\"] = \"\\u826E\";\n  t[\"\\u2F8A\"] = \"\\u8272\";\n  t[\"\\u2F8B\"] = \"\\u8278\";\n  t[\"\\u2F8C\"] = \"\\u864D\";\n  t[\"\\u2F8D\"] = \"\\u866B\";\n  t[\"\\u2F8E\"] = \"\\u8840\";\n  t[\"\\u2F8F\"] = \"\\u884C\";\n  t[\"\\u2F90\"] = \"\\u8863\";\n  t[\"\\u2F91\"] = \"\\u897E\";\n  t[\"\\u2F92\"] = \"\\u898B\";\n  t[\"\\u2F93\"] = \"\\u89D2\";\n  t[\"\\u2F94\"] = \"\\u8A00\";\n  t[\"\\u2F95\"] = \"\\u8C37\";\n  t[\"\\u2F96\"] = \"\\u8C46\";\n  t[\"\\u2F97\"] = \"\\u8C55\";\n  t[\"\\u2F98\"] = \"\\u8C78\";\n  t[\"\\u2F99\"] = \"\\u8C9D\";\n  t[\"\\u2F9A\"] = \"\\u8D64\";\n  t[\"\\u2F9B\"] = \"\\u8D70\";\n  t[\"\\u2F9C\"] = \"\\u8DB3\";\n  t[\"\\u2F9D\"] = \"\\u8EAB\";\n  t[\"\\u2F9E\"] = \"\\u8ECA\";\n  t[\"\\u2F9F\"] = \"\\u8F9B\";\n  t[\"\\u2FA0\"] = \"\\u8FB0\";\n  t[\"\\u2FA1\"] = \"\\u8FB5\";\n  t[\"\\u2FA2\"] = \"\\u9091\";\n  t[\"\\u2FA3\"] = \"\\u9149\";\n  t[\"\\u2FA4\"] = \"\\u91C6\";\n  t[\"\\u2FA5\"] = \"\\u91CC\";\n  t[\"\\u2FA6\"] = \"\\u91D1\";\n  t[\"\\u2FA7\"] = \"\\u9577\";\n  t[\"\\u2FA8\"] = \"\\u9580\";\n  t[\"\\u2FA9\"] = \"\\u961C\";\n  t[\"\\u2FAA\"] = \"\\u96B6\";\n  t[\"\\u2FAB\"] = \"\\u96B9\";\n  t[\"\\u2FAC\"] = \"\\u96E8\";\n  t[\"\\u2FAD\"] = \"\\u9751\";\n  t[\"\\u2FAE\"] = \"\\u975E\";\n  t[\"\\u2FAF\"] = \"\\u9762\";\n  t[\"\\u2FB0\"] = \"\\u9769\";\n  t[\"\\u2FB1\"] = \"\\u97CB\";\n  t[\"\\u2FB2\"] = \"\\u97ED\";\n  t[\"\\u2FB3\"] = \"\\u97F3\";\n  t[\"\\u2FB4\"] = \"\\u9801\";\n  t[\"\\u2FB5\"] = \"\\u98A8\";\n  t[\"\\u2FB6\"] = \"\\u98DB\";\n  t[\"\\u2FB7\"] = \"\\u98DF\";\n  t[\"\\u2FB8\"] = \"\\u9996\";\n  t[\"\\u2FB9\"] = \"\\u9999\";\n  t[\"\\u2FBA\"] = \"\\u99AC\";\n  t[\"\\u2FBB\"] = \"\\u9AA8\";\n  t[\"\\u2FBC\"] = \"\\u9AD8\";\n  t[\"\\u2FBD\"] = \"\\u9ADF\";\n  t[\"\\u2FBE\"] = \"\\u9B25\";\n  t[\"\\u2FBF\"] = \"\\u9B2F\";\n  t[\"\\u2FC0\"] = \"\\u9B32\";\n  t[\"\\u2FC1\"] = \"\\u9B3C\";\n  t[\"\\u2FC2\"] = \"\\u9B5A\";\n  t[\"\\u2FC3\"] = \"\\u9CE5\";\n  t[\"\\u2FC4\"] = \"\\u9E75\";\n  t[\"\\u2FC5\"] = \"\\u9E7F\";\n  t[\"\\u2FC6\"] = \"\\u9EA5\";\n  t[\"\\u2FC7\"] = \"\\u9EBB\";\n  t[\"\\u2FC8\"] = \"\\u9EC3\";\n  t[\"\\u2FC9\"] = \"\\u9ECD\";\n  t[\"\\u2FCA\"] = \"\\u9ED1\";\n  t[\"\\u2FCB\"] = \"\\u9EF9\";\n  t[\"\\u2FCC\"] = \"\\u9EFD\";\n  t[\"\\u2FCD\"] = \"\\u9F0E\";\n  t[\"\\u2FCE\"] = \"\\u9F13\";\n  t[\"\\u2FCF\"] = \"\\u9F20\";\n  t[\"\\u2FD0\"] = \"\\u9F3B\";\n  t[\"\\u2FD1\"] = \"\\u9F4A\";\n  t[\"\\u2FD2\"] = \"\\u9F52\";\n  t[\"\\u2FD3\"] = \"\\u9F8D\";\n  t[\"\\u2FD4\"] = \"\\u9F9C\";\n  t[\"\\u2FD5\"] = \"\\u9FA0\";\n  t[\"\\u3036\"] = \"\\u3012\";\n  t[\"\\u3038\"] = \"\\u5341\";\n  t[\"\\u3039\"] = \"\\u5344\";\n  t[\"\\u303A\"] = \"\\u5345\";\n  t[\"\\u309B\"] = \"\\u0020\\u3099\";\n  t[\"\\u309C\"] = \"\\u0020\\u309A\";\n  t[\"\\u3131\"] = \"\\u1100\";\n  t[\"\\u3132\"] = \"\\u1101\";\n  t[\"\\u3133\"] = \"\\u11AA\";\n  t[\"\\u3134\"] = \"\\u1102\";\n  t[\"\\u3135\"] = \"\\u11AC\";\n  t[\"\\u3136\"] = \"\\u11AD\";\n  t[\"\\u3137\"] = \"\\u1103\";\n  t[\"\\u3138\"] = \"\\u1104\";\n  t[\"\\u3139\"] = \"\\u1105\";\n  t[\"\\u313A\"] = \"\\u11B0\";\n  t[\"\\u313B\"] = \"\\u11B1\";\n  t[\"\\u313C\"] = \"\\u11B2\";\n  t[\"\\u313D\"] = \"\\u11B3\";\n  t[\"\\u313E\"] = \"\\u11B4\";\n  t[\"\\u313F\"] = \"\\u11B5\";\n  t[\"\\u3140\"] = \"\\u111A\";\n  t[\"\\u3141\"] = \"\\u1106\";\n  t[\"\\u3142\"] = \"\\u1107\";\n  t[\"\\u3143\"] = \"\\u1108\";\n  t[\"\\u3144\"] = \"\\u1121\";\n  t[\"\\u3145\"] = \"\\u1109\";\n  t[\"\\u3146\"] = \"\\u110A\";\n  t[\"\\u3147\"] = \"\\u110B\";\n  t[\"\\u3148\"] = \"\\u110C\";\n  t[\"\\u3149\"] = \"\\u110D\";\n  t[\"\\u314A\"] = \"\\u110E\";\n  t[\"\\u314B\"] = \"\\u110F\";\n  t[\"\\u314C\"] = \"\\u1110\";\n  t[\"\\u314D\"] = \"\\u1111\";\n  t[\"\\u314E\"] = \"\\u1112\";\n  t[\"\\u314F\"] = \"\\u1161\";\n  t[\"\\u3150\"] = \"\\u1162\";\n  t[\"\\u3151\"] = \"\\u1163\";\n  t[\"\\u3152\"] = \"\\u1164\";\n  t[\"\\u3153\"] = \"\\u1165\";\n  t[\"\\u3154\"] = \"\\u1166\";\n  t[\"\\u3155\"] = \"\\u1167\";\n  t[\"\\u3156\"] = \"\\u1168\";\n  t[\"\\u3157\"] = \"\\u1169\";\n  t[\"\\u3158\"] = \"\\u116A\";\n  t[\"\\u3159\"] = \"\\u116B\";\n  t[\"\\u315A\"] = \"\\u116C\";\n  t[\"\\u315B\"] = \"\\u116D\";\n  t[\"\\u315C\"] = \"\\u116E\";\n  t[\"\\u315D\"] = \"\\u116F\";\n  t[\"\\u315E\"] = \"\\u1170\";\n  t[\"\\u315F\"] = \"\\u1171\";\n  t[\"\\u3160\"] = \"\\u1172\";\n  t[\"\\u3161\"] = \"\\u1173\";\n  t[\"\\u3162\"] = \"\\u1174\";\n  t[\"\\u3163\"] = \"\\u1175\";\n  t[\"\\u3164\"] = \"\\u1160\";\n  t[\"\\u3165\"] = \"\\u1114\";\n  t[\"\\u3166\"] = \"\\u1115\";\n  t[\"\\u3167\"] = \"\\u11C7\";\n  t[\"\\u3168\"] = \"\\u11C8\";\n  t[\"\\u3169\"] = \"\\u11CC\";\n  t[\"\\u316A\"] = \"\\u11CE\";\n  t[\"\\u316B\"] = \"\\u11D3\";\n  t[\"\\u316C\"] = \"\\u11D7\";\n  t[\"\\u316D\"] = \"\\u11D9\";\n  t[\"\\u316E\"] = \"\\u111C\";\n  t[\"\\u316F\"] = \"\\u11DD\";\n  t[\"\\u3170\"] = \"\\u11DF\";\n  t[\"\\u3171\"] = \"\\u111D\";\n  t[\"\\u3172\"] = \"\\u111E\";\n  t[\"\\u3173\"] = \"\\u1120\";\n  t[\"\\u3174\"] = \"\\u1122\";\n  t[\"\\u3175\"] = \"\\u1123\";\n  t[\"\\u3176\"] = \"\\u1127\";\n  t[\"\\u3177\"] = \"\\u1129\";\n  t[\"\\u3178\"] = \"\\u112B\";\n  t[\"\\u3179\"] = \"\\u112C\";\n  t[\"\\u317A\"] = \"\\u112D\";\n  t[\"\\u317B\"] = \"\\u112E\";\n  t[\"\\u317C\"] = \"\\u112F\";\n  t[\"\\u317D\"] = \"\\u1132\";\n  t[\"\\u317E\"] = \"\\u1136\";\n  t[\"\\u317F\"] = \"\\u1140\";\n  t[\"\\u3180\"] = \"\\u1147\";\n  t[\"\\u3181\"] = \"\\u114C\";\n  t[\"\\u3182\"] = \"\\u11F1\";\n  t[\"\\u3183\"] = \"\\u11F2\";\n  t[\"\\u3184\"] = \"\\u1157\";\n  t[\"\\u3185\"] = \"\\u1158\";\n  t[\"\\u3186\"] = \"\\u1159\";\n  t[\"\\u3187\"] = \"\\u1184\";\n  t[\"\\u3188\"] = \"\\u1185\";\n  t[\"\\u3189\"] = \"\\u1188\";\n  t[\"\\u318A\"] = \"\\u1191\";\n  t[\"\\u318B\"] = \"\\u1192\";\n  t[\"\\u318C\"] = \"\\u1194\";\n  t[\"\\u318D\"] = \"\\u119E\";\n  t[\"\\u318E\"] = \"\\u11A1\";\n  t[\"\\u3200\"] = \"\\u0028\\u1100\\u0029\";\n  t[\"\\u3201\"] = \"\\u0028\\u1102\\u0029\";\n  t[\"\\u3202\"] = \"\\u0028\\u1103\\u0029\";\n  t[\"\\u3203\"] = \"\\u0028\\u1105\\u0029\";\n  t[\"\\u3204\"] = \"\\u0028\\u1106\\u0029\";\n  t[\"\\u3205\"] = \"\\u0028\\u1107\\u0029\";\n  t[\"\\u3206\"] = \"\\u0028\\u1109\\u0029\";\n  t[\"\\u3207\"] = \"\\u0028\\u110B\\u0029\";\n  t[\"\\u3208\"] = \"\\u0028\\u110C\\u0029\";\n  t[\"\\u3209\"] = \"\\u0028\\u110E\\u0029\";\n  t[\"\\u320A\"] = \"\\u0028\\u110F\\u0029\";\n  t[\"\\u320B\"] = \"\\u0028\\u1110\\u0029\";\n  t[\"\\u320C\"] = \"\\u0028\\u1111\\u0029\";\n  t[\"\\u320D\"] = \"\\u0028\\u1112\\u0029\";\n  t[\"\\u320E\"] = \"\\u0028\\u1100\\u1161\\u0029\";\n  t[\"\\u320F\"] = \"\\u0028\\u1102\\u1161\\u0029\";\n  t[\"\\u3210\"] = \"\\u0028\\u1103\\u1161\\u0029\";\n  t[\"\\u3211\"] = \"\\u0028\\u1105\\u1161\\u0029\";\n  t[\"\\u3212\"] = \"\\u0028\\u1106\\u1161\\u0029\";\n  t[\"\\u3213\"] = \"\\u0028\\u1107\\u1161\\u0029\";\n  t[\"\\u3214\"] = \"\\u0028\\u1109\\u1161\\u0029\";\n  t[\"\\u3215\"] = \"\\u0028\\u110B\\u1161\\u0029\";\n  t[\"\\u3216\"] = \"\\u0028\\u110C\\u1161\\u0029\";\n  t[\"\\u3217\"] = \"\\u0028\\u110E\\u1161\\u0029\";\n  t[\"\\u3218\"] = \"\\u0028\\u110F\\u1161\\u0029\";\n  t[\"\\u3219\"] = \"\\u0028\\u1110\\u1161\\u0029\";\n  t[\"\\u321A\"] = \"\\u0028\\u1111\\u1161\\u0029\";\n  t[\"\\u321B\"] = \"\\u0028\\u1112\\u1161\\u0029\";\n  t[\"\\u321C\"] = \"\\u0028\\u110C\\u116E\\u0029\";\n  t[\"\\u321D\"] = \"\\u0028\\u110B\\u1169\\u110C\\u1165\\u11AB\\u0029\";\n  t[\"\\u321E\"] = \"\\u0028\\u110B\\u1169\\u1112\\u116E\\u0029\";\n  t[\"\\u3220\"] = \"\\u0028\\u4E00\\u0029\";\n  t[\"\\u3221\"] = \"\\u0028\\u4E8C\\u0029\";\n  t[\"\\u3222\"] = \"\\u0028\\u4E09\\u0029\";\n  t[\"\\u3223\"] = \"\\u0028\\u56DB\\u0029\";\n  t[\"\\u3224\"] = \"\\u0028\\u4E94\\u0029\";\n  t[\"\\u3225\"] = \"\\u0028\\u516D\\u0029\";\n  t[\"\\u3226\"] = \"\\u0028\\u4E03\\u0029\";\n  t[\"\\u3227\"] = \"\\u0028\\u516B\\u0029\";\n  t[\"\\u3228\"] = \"\\u0028\\u4E5D\\u0029\";\n  t[\"\\u3229\"] = \"\\u0028\\u5341\\u0029\";\n  t[\"\\u322A\"] = \"\\u0028\\u6708\\u0029\";\n  t[\"\\u322B\"] = \"\\u0028\\u706B\\u0029\";\n  t[\"\\u322C\"] = \"\\u0028\\u6C34\\u0029\";\n  t[\"\\u322D\"] = \"\\u0028\\u6728\\u0029\";\n  t[\"\\u322E\"] = \"\\u0028\\u91D1\\u0029\";\n  t[\"\\u322F\"] = \"\\u0028\\u571F\\u0029\";\n  t[\"\\u3230\"] = \"\\u0028\\u65E5\\u0029\";\n  t[\"\\u3231\"] = \"\\u0028\\u682A\\u0029\";\n  t[\"\\u3232\"] = \"\\u0028\\u6709\\u0029\";\n  t[\"\\u3233\"] = \"\\u0028\\u793E\\u0029\";\n  t[\"\\u3234\"] = \"\\u0028\\u540D\\u0029\";\n  t[\"\\u3235\"] = \"\\u0028\\u7279\\u0029\";\n  t[\"\\u3236\"] = \"\\u0028\\u8CA1\\u0029\";\n  t[\"\\u3237\"] = \"\\u0028\\u795D\\u0029\";\n  t[\"\\u3238\"] = \"\\u0028\\u52B4\\u0029\";\n  t[\"\\u3239\"] = \"\\u0028\\u4EE3\\u0029\";\n  t[\"\\u323A\"] = \"\\u0028\\u547C\\u0029\";\n  t[\"\\u323B\"] = \"\\u0028\\u5B66\\u0029\";\n  t[\"\\u323C\"] = \"\\u0028\\u76E3\\u0029\";\n  t[\"\\u323D\"] = \"\\u0028\\u4F01\\u0029\";\n  t[\"\\u323E\"] = \"\\u0028\\u8CC7\\u0029\";\n  t[\"\\u323F\"] = \"\\u0028\\u5354\\u0029\";\n  t[\"\\u3240\"] = \"\\u0028\\u796D\\u0029\";\n  t[\"\\u3241\"] = \"\\u0028\\u4F11\\u0029\";\n  t[\"\\u3242\"] = \"\\u0028\\u81EA\\u0029\";\n  t[\"\\u3243\"] = \"\\u0028\\u81F3\\u0029\";\n  t[\"\\u32C0\"] = \"\\u0031\\u6708\";\n  t[\"\\u32C1\"] = \"\\u0032\\u6708\";\n  t[\"\\u32C2\"] = \"\\u0033\\u6708\";\n  t[\"\\u32C3\"] = \"\\u0034\\u6708\";\n  t[\"\\u32C4\"] = \"\\u0035\\u6708\";\n  t[\"\\u32C5\"] = \"\\u0036\\u6708\";\n  t[\"\\u32C6\"] = \"\\u0037\\u6708\";\n  t[\"\\u32C7\"] = \"\\u0038\\u6708\";\n  t[\"\\u32C8\"] = \"\\u0039\\u6708\";\n  t[\"\\u32C9\"] = \"\\u0031\\u0030\\u6708\";\n  t[\"\\u32CA\"] = \"\\u0031\\u0031\\u6708\";\n  t[\"\\u32CB\"] = \"\\u0031\\u0032\\u6708\";\n  t[\"\\u3358\"] = \"\\u0030\\u70B9\";\n  t[\"\\u3359\"] = \"\\u0031\\u70B9\";\n  t[\"\\u335A\"] = \"\\u0032\\u70B9\";\n  t[\"\\u335B\"] = \"\\u0033\\u70B9\";\n  t[\"\\u335C\"] = \"\\u0034\\u70B9\";\n  t[\"\\u335D\"] = \"\\u0035\\u70B9\";\n  t[\"\\u335E\"] = \"\\u0036\\u70B9\";\n  t[\"\\u335F\"] = \"\\u0037\\u70B9\";\n  t[\"\\u3360\"] = \"\\u0038\\u70B9\";\n  t[\"\\u3361\"] = \"\\u0039\\u70B9\";\n  t[\"\\u3362\"] = \"\\u0031\\u0030\\u70B9\";\n  t[\"\\u3363\"] = \"\\u0031\\u0031\\u70B9\";\n  t[\"\\u3364\"] = \"\\u0031\\u0032\\u70B9\";\n  t[\"\\u3365\"] = \"\\u0031\\u0033\\u70B9\";\n  t[\"\\u3366\"] = \"\\u0031\\u0034\\u70B9\";\n  t[\"\\u3367\"] = \"\\u0031\\u0035\\u70B9\";\n  t[\"\\u3368\"] = \"\\u0031\\u0036\\u70B9\";\n  t[\"\\u3369\"] = \"\\u0031\\u0037\\u70B9\";\n  t[\"\\u336A\"] = \"\\u0031\\u0038\\u70B9\";\n  t[\"\\u336B\"] = \"\\u0031\\u0039\\u70B9\";\n  t[\"\\u336C\"] = \"\\u0032\\u0030\\u70B9\";\n  t[\"\\u336D\"] = \"\\u0032\\u0031\\u70B9\";\n  t[\"\\u336E\"] = \"\\u0032\\u0032\\u70B9\";\n  t[\"\\u336F\"] = \"\\u0032\\u0033\\u70B9\";\n  t[\"\\u3370\"] = \"\\u0032\\u0034\\u70B9\";\n  t[\"\\u33E0\"] = \"\\u0031\\u65E5\";\n  t[\"\\u33E1\"] = \"\\u0032\\u65E5\";\n  t[\"\\u33E2\"] = \"\\u0033\\u65E5\";\n  t[\"\\u33E3\"] = \"\\u0034\\u65E5\";\n  t[\"\\u33E4\"] = \"\\u0035\\u65E5\";\n  t[\"\\u33E5\"] = \"\\u0036\\u65E5\";\n  t[\"\\u33E6\"] = \"\\u0037\\u65E5\";\n  t[\"\\u33E7\"] = \"\\u0038\\u65E5\";\n  t[\"\\u33E8\"] = \"\\u0039\\u65E5\";\n  t[\"\\u33E9\"] = \"\\u0031\\u0030\\u65E5\";\n  t[\"\\u33EA\"] = \"\\u0031\\u0031\\u65E5\";\n  t[\"\\u33EB\"] = \"\\u0031\\u0032\\u65E5\";\n  t[\"\\u33EC\"] = \"\\u0031\\u0033\\u65E5\";\n  t[\"\\u33ED\"] = \"\\u0031\\u0034\\u65E5\";\n  t[\"\\u33EE\"] = \"\\u0031\\u0035\\u65E5\";\n  t[\"\\u33EF\"] = \"\\u0031\\u0036\\u65E5\";\n  t[\"\\u33F0\"] = \"\\u0031\\u0037\\u65E5\";\n  t[\"\\u33F1\"] = \"\\u0031\\u0038\\u65E5\";\n  t[\"\\u33F2\"] = \"\\u0031\\u0039\\u65E5\";\n  t[\"\\u33F3\"] = \"\\u0032\\u0030\\u65E5\";\n  t[\"\\u33F4\"] = \"\\u0032\\u0031\\u65E5\";\n  t[\"\\u33F5\"] = \"\\u0032\\u0032\\u65E5\";\n  t[\"\\u33F6\"] = \"\\u0032\\u0033\\u65E5\";\n  t[\"\\u33F7\"] = \"\\u0032\\u0034\\u65E5\";\n  t[\"\\u33F8\"] = \"\\u0032\\u0035\\u65E5\";\n  t[\"\\u33F9\"] = \"\\u0032\\u0036\\u65E5\";\n  t[\"\\u33FA\"] = \"\\u0032\\u0037\\u65E5\";\n  t[\"\\u33FB\"] = \"\\u0032\\u0038\\u65E5\";\n  t[\"\\u33FC\"] = \"\\u0032\\u0039\\u65E5\";\n  t[\"\\u33FD\"] = \"\\u0033\\u0030\\u65E5\";\n  t[\"\\u33FE\"] = \"\\u0033\\u0031\\u65E5\";\n  t[\"\\uFB00\"] = \"\\u0066\\u0066\";\n  t[\"\\uFB01\"] = \"\\u0066\\u0069\";\n  t[\"\\uFB02\"] = \"\\u0066\\u006C\";\n  t[\"\\uFB03\"] = \"\\u0066\\u0066\\u0069\";\n  t[\"\\uFB04\"] = \"\\u0066\\u0066\\u006C\";\n  t[\"\\uFB05\"] = \"\\u017F\\u0074\";\n  t[\"\\uFB06\"] = \"\\u0073\\u0074\";\n  t[\"\\uFB13\"] = \"\\u0574\\u0576\";\n  t[\"\\uFB14\"] = \"\\u0574\\u0565\";\n  t[\"\\uFB15\"] = \"\\u0574\\u056B\";\n  t[\"\\uFB16\"] = \"\\u057E\\u0576\";\n  t[\"\\uFB17\"] = \"\\u0574\\u056D\";\n  t[\"\\uFB4F\"] = \"\\u05D0\\u05DC\";\n  t[\"\\uFB50\"] = \"\\u0671\";\n  t[\"\\uFB51\"] = \"\\u0671\";\n  t[\"\\uFB52\"] = \"\\u067B\";\n  t[\"\\uFB53\"] = \"\\u067B\";\n  t[\"\\uFB54\"] = \"\\u067B\";\n  t[\"\\uFB55\"] = \"\\u067B\";\n  t[\"\\uFB56\"] = \"\\u067E\";\n  t[\"\\uFB57\"] = \"\\u067E\";\n  t[\"\\uFB58\"] = \"\\u067E\";\n  t[\"\\uFB59\"] = \"\\u067E\";\n  t[\"\\uFB5A\"] = \"\\u0680\";\n  t[\"\\uFB5B\"] = \"\\u0680\";\n  t[\"\\uFB5C\"] = \"\\u0680\";\n  t[\"\\uFB5D\"] = \"\\u0680\";\n  t[\"\\uFB5E\"] = \"\\u067A\";\n  t[\"\\uFB5F\"] = \"\\u067A\";\n  t[\"\\uFB60\"] = \"\\u067A\";\n  t[\"\\uFB61\"] = \"\\u067A\";\n  t[\"\\uFB62\"] = \"\\u067F\";\n  t[\"\\uFB63\"] = \"\\u067F\";\n  t[\"\\uFB64\"] = \"\\u067F\";\n  t[\"\\uFB65\"] = \"\\u067F\";\n  t[\"\\uFB66\"] = \"\\u0679\";\n  t[\"\\uFB67\"] = \"\\u0679\";\n  t[\"\\uFB68\"] = \"\\u0679\";\n  t[\"\\uFB69\"] = \"\\u0679\";\n  t[\"\\uFB6A\"] = \"\\u06A4\";\n  t[\"\\uFB6B\"] = \"\\u06A4\";\n  t[\"\\uFB6C\"] = \"\\u06A4\";\n  t[\"\\uFB6D\"] = \"\\u06A4\";\n  t[\"\\uFB6E\"] = \"\\u06A6\";\n  t[\"\\uFB6F\"] = \"\\u06A6\";\n  t[\"\\uFB70\"] = \"\\u06A6\";\n  t[\"\\uFB71\"] = \"\\u06A6\";\n  t[\"\\uFB72\"] = \"\\u0684\";\n  t[\"\\uFB73\"] = \"\\u0684\";\n  t[\"\\uFB74\"] = \"\\u0684\";\n  t[\"\\uFB75\"] = \"\\u0684\";\n  t[\"\\uFB76\"] = \"\\u0683\";\n  t[\"\\uFB77\"] = \"\\u0683\";\n  t[\"\\uFB78\"] = \"\\u0683\";\n  t[\"\\uFB79\"] = \"\\u0683\";\n  t[\"\\uFB7A\"] = \"\\u0686\";\n  t[\"\\uFB7B\"] = \"\\u0686\";\n  t[\"\\uFB7C\"] = \"\\u0686\";\n  t[\"\\uFB7D\"] = \"\\u0686\";\n  t[\"\\uFB7E\"] = \"\\u0687\";\n  t[\"\\uFB7F\"] = \"\\u0687\";\n  t[\"\\uFB80\"] = \"\\u0687\";\n  t[\"\\uFB81\"] = \"\\u0687\";\n  t[\"\\uFB82\"] = \"\\u068D\";\n  t[\"\\uFB83\"] = \"\\u068D\";\n  t[\"\\uFB84\"] = \"\\u068C\";\n  t[\"\\uFB85\"] = \"\\u068C\";\n  t[\"\\uFB86\"] = \"\\u068E\";\n  t[\"\\uFB87\"] = \"\\u068E\";\n  t[\"\\uFB88\"] = \"\\u0688\";\n  t[\"\\uFB89\"] = \"\\u0688\";\n  t[\"\\uFB8A\"] = \"\\u0698\";\n  t[\"\\uFB8B\"] = \"\\u0698\";\n  t[\"\\uFB8C\"] = \"\\u0691\";\n  t[\"\\uFB8D\"] = \"\\u0691\";\n  t[\"\\uFB8E\"] = \"\\u06A9\";\n  t[\"\\uFB8F\"] = \"\\u06A9\";\n  t[\"\\uFB90\"] = \"\\u06A9\";\n  t[\"\\uFB91\"] = \"\\u06A9\";\n  t[\"\\uFB92\"] = \"\\u06AF\";\n  t[\"\\uFB93\"] = \"\\u06AF\";\n  t[\"\\uFB94\"] = \"\\u06AF\";\n  t[\"\\uFB95\"] = \"\\u06AF\";\n  t[\"\\uFB96\"] = \"\\u06B3\";\n  t[\"\\uFB97\"] = \"\\u06B3\";\n  t[\"\\uFB98\"] = \"\\u06B3\";\n  t[\"\\uFB99\"] = \"\\u06B3\";\n  t[\"\\uFB9A\"] = \"\\u06B1\";\n  t[\"\\uFB9B\"] = \"\\u06B1\";\n  t[\"\\uFB9C\"] = \"\\u06B1\";\n  t[\"\\uFB9D\"] = \"\\u06B1\";\n  t[\"\\uFB9E\"] = \"\\u06BA\";\n  t[\"\\uFB9F\"] = \"\\u06BA\";\n  t[\"\\uFBA0\"] = \"\\u06BB\";\n  t[\"\\uFBA1\"] = \"\\u06BB\";\n  t[\"\\uFBA2\"] = \"\\u06BB\";\n  t[\"\\uFBA3\"] = \"\\u06BB\";\n  t[\"\\uFBA4\"] = \"\\u06C0\";\n  t[\"\\uFBA5\"] = \"\\u06C0\";\n  t[\"\\uFBA6\"] = \"\\u06C1\";\n  t[\"\\uFBA7\"] = \"\\u06C1\";\n  t[\"\\uFBA8\"] = \"\\u06C1\";\n  t[\"\\uFBA9\"] = \"\\u06C1\";\n  t[\"\\uFBAA\"] = \"\\u06BE\";\n  t[\"\\uFBAB\"] = \"\\u06BE\";\n  t[\"\\uFBAC\"] = \"\\u06BE\";\n  t[\"\\uFBAD\"] = \"\\u06BE\";\n  t[\"\\uFBAE\"] = \"\\u06D2\";\n  t[\"\\uFBAF\"] = \"\\u06D2\";\n  t[\"\\uFBB0\"] = \"\\u06D3\";\n  t[\"\\uFBB1\"] = \"\\u06D3\";\n  t[\"\\uFBD3\"] = \"\\u06AD\";\n  t[\"\\uFBD4\"] = \"\\u06AD\";\n  t[\"\\uFBD5\"] = \"\\u06AD\";\n  t[\"\\uFBD6\"] = \"\\u06AD\";\n  t[\"\\uFBD7\"] = \"\\u06C7\";\n  t[\"\\uFBD8\"] = \"\\u06C7\";\n  t[\"\\uFBD9\"] = \"\\u06C6\";\n  t[\"\\uFBDA\"] = \"\\u06C6\";\n  t[\"\\uFBDB\"] = \"\\u06C8\";\n  t[\"\\uFBDC\"] = \"\\u06C8\";\n  t[\"\\uFBDD\"] = \"\\u0677\";\n  t[\"\\uFBDE\"] = \"\\u06CB\";\n  t[\"\\uFBDF\"] = \"\\u06CB\";\n  t[\"\\uFBE0\"] = \"\\u06C5\";\n  t[\"\\uFBE1\"] = \"\\u06C5\";\n  t[\"\\uFBE2\"] = \"\\u06C9\";\n  t[\"\\uFBE3\"] = \"\\u06C9\";\n  t[\"\\uFBE4\"] = \"\\u06D0\";\n  t[\"\\uFBE5\"] = \"\\u06D0\";\n  t[\"\\uFBE6\"] = \"\\u06D0\";\n  t[\"\\uFBE7\"] = \"\\u06D0\";\n  t[\"\\uFBE8\"] = \"\\u0649\";\n  t[\"\\uFBE9\"] = \"\\u0649\";\n  t[\"\\uFBEA\"] = \"\\u0626\\u0627\";\n  t[\"\\uFBEB\"] = \"\\u0626\\u0627\";\n  t[\"\\uFBEC\"] = \"\\u0626\\u06D5\";\n  t[\"\\uFBED\"] = \"\\u0626\\u06D5\";\n  t[\"\\uFBEE\"] = \"\\u0626\\u0648\";\n  t[\"\\uFBEF\"] = \"\\u0626\\u0648\";\n  t[\"\\uFBF0\"] = \"\\u0626\\u06C7\";\n  t[\"\\uFBF1\"] = \"\\u0626\\u06C7\";\n  t[\"\\uFBF2\"] = \"\\u0626\\u06C6\";\n  t[\"\\uFBF3\"] = \"\\u0626\\u06C6\";\n  t[\"\\uFBF4\"] = \"\\u0626\\u06C8\";\n  t[\"\\uFBF5\"] = \"\\u0626\\u06C8\";\n  t[\"\\uFBF6\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF7\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF8\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF9\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFA\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFB\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFC\"] = \"\\u06CC\";\n  t[\"\\uFBFD\"] = \"\\u06CC\";\n  t[\"\\uFBFE\"] = \"\\u06CC\";\n  t[\"\\uFBFF\"] = \"\\u06CC\";\n  t[\"\\uFC00\"] = \"\\u0626\\u062C\";\n  t[\"\\uFC01\"] = \"\\u0626\\u062D\";\n  t[\"\\uFC02\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC03\"] = \"\\u0626\\u0649\";\n  t[\"\\uFC04\"] = \"\\u0626\\u064A\";\n  t[\"\\uFC05\"] = \"\\u0628\\u062C\";\n  t[\"\\uFC06\"] = \"\\u0628\\u062D\";\n  t[\"\\uFC07\"] = \"\\u0628\\u062E\";\n  t[\"\\uFC08\"] = \"\\u0628\\u0645\";\n  t[\"\\uFC09\"] = \"\\u0628\\u0649\";\n  t[\"\\uFC0A\"] = \"\\u0628\\u064A\";\n  t[\"\\uFC0B\"] = \"\\u062A\\u062C\";\n  t[\"\\uFC0C\"] = \"\\u062A\\u062D\";\n  t[\"\\uFC0D\"] = \"\\u062A\\u062E\";\n  t[\"\\uFC0E\"] = \"\\u062A\\u0645\";\n  t[\"\\uFC0F\"] = \"\\u062A\\u0649\";\n  t[\"\\uFC10\"] = \"\\u062A\\u064A\";\n  t[\"\\uFC11\"] = \"\\u062B\\u062C\";\n  t[\"\\uFC12\"] = \"\\u062B\\u0645\";\n  t[\"\\uFC13\"] = \"\\u062B\\u0649\";\n  t[\"\\uFC14\"] = \"\\u062B\\u064A\";\n  t[\"\\uFC15\"] = \"\\u062C\\u062D\";\n  t[\"\\uFC16\"] = \"\\u062C\\u0645\";\n  t[\"\\uFC17\"] = \"\\u062D\\u062C\";\n  t[\"\\uFC18\"] = \"\\u062D\\u0645\";\n  t[\"\\uFC19\"] = \"\\u062E\\u062C\";\n  t[\"\\uFC1A\"] = \"\\u062E\\u062D\";\n  t[\"\\uFC1B\"] = \"\\u062E\\u0645\";\n  t[\"\\uFC1C\"] = \"\\u0633\\u062C\";\n  t[\"\\uFC1D\"] = \"\\u0633\\u062D\";\n  t[\"\\uFC1E\"] = \"\\u0633\\u062E\";\n  t[\"\\uFC1F\"] = \"\\u0633\\u0645\";\n  t[\"\\uFC20\"] = \"\\u0635\\u062D\";\n  t[\"\\uFC21\"] = \"\\u0635\\u0645\";\n  t[\"\\uFC22\"] = \"\\u0636\\u062C\";\n  t[\"\\uFC23\"] = \"\\u0636\\u062D\";\n  t[\"\\uFC24\"] = \"\\u0636\\u062E\";\n  t[\"\\uFC25\"] = \"\\u0636\\u0645\";\n  t[\"\\uFC26\"] = \"\\u0637\\u062D\";\n  t[\"\\uFC27\"] = \"\\u0637\\u0645\";\n  t[\"\\uFC28\"] = \"\\u0638\\u0645\";\n  t[\"\\uFC29\"] = \"\\u0639\\u062C\";\n  t[\"\\uFC2A\"] = \"\\u0639\\u0645\";\n  t[\"\\uFC2B\"] = \"\\u063A\\u062C\";\n  t[\"\\uFC2C\"] = \"\\u063A\\u0645\";\n  t[\"\\uFC2D\"] = \"\\u0641\\u062C\";\n  t[\"\\uFC2E\"] = \"\\u0641\\u062D\";\n  t[\"\\uFC2F\"] = \"\\u0641\\u062E\";\n  t[\"\\uFC30\"] = \"\\u0641\\u0645\";\n  t[\"\\uFC31\"] = \"\\u0641\\u0649\";\n  t[\"\\uFC32\"] = \"\\u0641\\u064A\";\n  t[\"\\uFC33\"] = \"\\u0642\\u062D\";\n  t[\"\\uFC34\"] = \"\\u0642\\u0645\";\n  t[\"\\uFC35\"] = \"\\u0642\\u0649\";\n  t[\"\\uFC36\"] = \"\\u0642\\u064A\";\n  t[\"\\uFC37\"] = \"\\u0643\\u0627\";\n  t[\"\\uFC38\"] = \"\\u0643\\u062C\";\n  t[\"\\uFC39\"] = \"\\u0643\\u062D\";\n  t[\"\\uFC3A\"] = \"\\u0643\\u062E\";\n  t[\"\\uFC3B\"] = \"\\u0643\\u0644\";\n  t[\"\\uFC3C\"] = \"\\u0643\\u0645\";\n  t[\"\\uFC3D\"] = \"\\u0643\\u0649\";\n  t[\"\\uFC3E\"] = \"\\u0643\\u064A\";\n  t[\"\\uFC3F\"] = \"\\u0644\\u062C\";\n  t[\"\\uFC40\"] = \"\\u0644\\u062D\";\n  t[\"\\uFC41\"] = \"\\u0644\\u062E\";\n  t[\"\\uFC42\"] = \"\\u0644\\u0645\";\n  t[\"\\uFC43\"] = \"\\u0644\\u0649\";\n  t[\"\\uFC44\"] = \"\\u0644\\u064A\";\n  t[\"\\uFC45\"] = \"\\u0645\\u062C\";\n  t[\"\\uFC46\"] = \"\\u0645\\u062D\";\n  t[\"\\uFC47\"] = \"\\u0645\\u062E\";\n  t[\"\\uFC48\"] = \"\\u0645\\u0645\";\n  t[\"\\uFC49\"] = \"\\u0645\\u0649\";\n  t[\"\\uFC4A\"] = \"\\u0645\\u064A\";\n  t[\"\\uFC4B\"] = \"\\u0646\\u062C\";\n  t[\"\\uFC4C\"] = \"\\u0646\\u062D\";\n  t[\"\\uFC4D\"] = \"\\u0646\\u062E\";\n  t[\"\\uFC4E\"] = \"\\u0646\\u0645\";\n  t[\"\\uFC4F\"] = \"\\u0646\\u0649\";\n  t[\"\\uFC50\"] = \"\\u0646\\u064A\";\n  t[\"\\uFC51\"] = \"\\u0647\\u062C\";\n  t[\"\\uFC52\"] = \"\\u0647\\u0645\";\n  t[\"\\uFC53\"] = \"\\u0647\\u0649\";\n  t[\"\\uFC54\"] = \"\\u0647\\u064A\";\n  t[\"\\uFC55\"] = \"\\u064A\\u062C\";\n  t[\"\\uFC56\"] = \"\\u064A\\u062D\";\n  t[\"\\uFC57\"] = \"\\u064A\\u062E\";\n  t[\"\\uFC58\"] = \"\\u064A\\u0645\";\n  t[\"\\uFC59\"] = \"\\u064A\\u0649\";\n  t[\"\\uFC5A\"] = \"\\u064A\\u064A\";\n  t[\"\\uFC5B\"] = \"\\u0630\\u0670\";\n  t[\"\\uFC5C\"] = \"\\u0631\\u0670\";\n  t[\"\\uFC5D\"] = \"\\u0649\\u0670\";\n  t[\"\\uFC5E\"] = \"\\u0020\\u064C\\u0651\";\n  t[\"\\uFC5F\"] = \"\\u0020\\u064D\\u0651\";\n  t[\"\\uFC60\"] = \"\\u0020\\u064E\\u0651\";\n  t[\"\\uFC61\"] = \"\\u0020\\u064F\\u0651\";\n  t[\"\\uFC62\"] = \"\\u0020\\u0650\\u0651\";\n  t[\"\\uFC63\"] = \"\\u0020\\u0651\\u0670\";\n  t[\"\\uFC64\"] = \"\\u0626\\u0631\";\n  t[\"\\uFC65\"] = \"\\u0626\\u0632\";\n  t[\"\\uFC66\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC67\"] = \"\\u0626\\u0646\";\n  t[\"\\uFC68\"] = \"\\u0626\\u0649\";\n  t[\"\\uFC69\"] = \"\\u0626\\u064A\";\n  t[\"\\uFC6A\"] = \"\\u0628\\u0631\";\n  t[\"\\uFC6B\"] = \"\\u0628\\u0632\";\n  t[\"\\uFC6C\"] = \"\\u0628\\u0645\";\n  t[\"\\uFC6D\"] = \"\\u0628\\u0646\";\n  t[\"\\uFC6E\"] = \"\\u0628\\u0649\";\n  t[\"\\uFC6F\"] = \"\\u0628\\u064A\";\n  t[\"\\uFC70\"] = \"\\u062A\\u0631\";\n  t[\"\\uFC71\"] = \"\\u062A\\u0632\";\n  t[\"\\uFC72\"] = \"\\u062A\\u0645\";\n  t[\"\\uFC73\"] = \"\\u062A\\u0646\";\n  t[\"\\uFC74\"] = \"\\u062A\\u0649\";\n  t[\"\\uFC75\"] = \"\\u062A\\u064A\";\n  t[\"\\uFC76\"] = \"\\u062B\\u0631\";\n  t[\"\\uFC77\"] = \"\\u062B\\u0632\";\n  t[\"\\uFC78\"] = \"\\u062B\\u0645\";\n  t[\"\\uFC79\"] = \"\\u062B\\u0646\";\n  t[\"\\uFC7A\"] = \"\\u062B\\u0649\";\n  t[\"\\uFC7B\"] = \"\\u062B\\u064A\";\n  t[\"\\uFC7C\"] = \"\\u0641\\u0649\";\n  t[\"\\uFC7D\"] = \"\\u0641\\u064A\";\n  t[\"\\uFC7E\"] = \"\\u0642\\u0649\";\n  t[\"\\uFC7F\"] = \"\\u0642\\u064A\";\n  t[\"\\uFC80\"] = \"\\u0643\\u0627\";\n  t[\"\\uFC81\"] = \"\\u0643\\u0644\";\n  t[\"\\uFC82\"] = \"\\u0643\\u0645\";\n  t[\"\\uFC83\"] = \"\\u0643\\u0649\";\n  t[\"\\uFC84\"] = \"\\u0643\\u064A\";\n  t[\"\\uFC85\"] = \"\\u0644\\u0645\";\n  t[\"\\uFC86\"] = \"\\u0644\\u0649\";\n  t[\"\\uFC87\"] = \"\\u0644\\u064A\";\n  t[\"\\uFC88\"] = \"\\u0645\\u0627\";\n  t[\"\\uFC89\"] = \"\\u0645\\u0645\";\n  t[\"\\uFC8A\"] = \"\\u0646\\u0631\";\n  t[\"\\uFC8B\"] = \"\\u0646\\u0632\";\n  t[\"\\uFC8C\"] = \"\\u0646\\u0645\";\n  t[\"\\uFC8D\"] = \"\\u0646\\u0646\";\n  t[\"\\uFC8E\"] = \"\\u0646\\u0649\";\n  t[\"\\uFC8F\"] = \"\\u0646\\u064A\";\n  t[\"\\uFC90\"] = \"\\u0649\\u0670\";\n  t[\"\\uFC91\"] = \"\\u064A\\u0631\";\n  t[\"\\uFC92\"] = \"\\u064A\\u0632\";\n  t[\"\\uFC93\"] = \"\\u064A\\u0645\";\n  t[\"\\uFC94\"] = \"\\u064A\\u0646\";\n  t[\"\\uFC95\"] = \"\\u064A\\u0649\";\n  t[\"\\uFC96\"] = \"\\u064A\\u064A\";\n  t[\"\\uFC97\"] = \"\\u0626\\u062C\";\n  t[\"\\uFC98\"] = \"\\u0626\\u062D\";\n  t[\"\\uFC99\"] = \"\\u0626\\u062E\";\n  t[\"\\uFC9A\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC9B\"] = \"\\u0626\\u0647\";\n  t[\"\\uFC9C\"] = \"\\u0628\\u062C\";\n  t[\"\\uFC9D\"] = \"\\u0628\\u062D\";\n  t[\"\\uFC9E\"] = \"\\u0628\\u062E\";\n  t[\"\\uFC9F\"] = \"\\u0628\\u0645\";\n  t[\"\\uFCA0\"] = \"\\u0628\\u0647\";\n  t[\"\\uFCA1\"] = \"\\u062A\\u062C\";\n  t[\"\\uFCA2\"] = \"\\u062A\\u062D\";\n  t[\"\\uFCA3\"] = \"\\u062A\\u062E\";\n  t[\"\\uFCA4\"] = \"\\u062A\\u0645\";\n  t[\"\\uFCA5\"] = \"\\u062A\\u0647\";\n  t[\"\\uFCA6\"] = \"\\u062B\\u0645\";\n  t[\"\\uFCA7\"] = \"\\u062C\\u062D\";\n  t[\"\\uFCA8\"] = \"\\u062C\\u0645\";\n  t[\"\\uFCA9\"] = \"\\u062D\\u062C\";\n  t[\"\\uFCAA\"] = \"\\u062D\\u0645\";\n  t[\"\\uFCAB\"] = \"\\u062E\\u062C\";\n  t[\"\\uFCAC\"] = \"\\u062E\\u0645\";\n  t[\"\\uFCAD\"] = \"\\u0633\\u062C\";\n  t[\"\\uFCAE\"] = \"\\u0633\\u062D\";\n  t[\"\\uFCAF\"] = \"\\u0633\\u062E\";\n  t[\"\\uFCB0\"] = \"\\u0633\\u0645\";\n  t[\"\\uFCB1\"] = \"\\u0635\\u062D\";\n  t[\"\\uFCB2\"] = \"\\u0635\\u062E\";\n  t[\"\\uFCB3\"] = \"\\u0635\\u0645\";\n  t[\"\\uFCB4\"] = \"\\u0636\\u062C\";\n  t[\"\\uFCB5\"] = \"\\u0636\\u062D\";\n  t[\"\\uFCB6\"] = \"\\u0636\\u062E\";\n  t[\"\\uFCB7\"] = \"\\u0636\\u0645\";\n  t[\"\\uFCB8\"] = \"\\u0637\\u062D\";\n  t[\"\\uFCB9\"] = \"\\u0638\\u0645\";\n  t[\"\\uFCBA\"] = \"\\u0639\\u062C\";\n  t[\"\\uFCBB\"] = \"\\u0639\\u0645\";\n  t[\"\\uFCBC\"] = \"\\u063A\\u062C\";\n  t[\"\\uFCBD\"] = \"\\u063A\\u0645\";\n  t[\"\\uFCBE\"] = \"\\u0641\\u062C\";\n  t[\"\\uFCBF\"] = \"\\u0641\\u062D\";\n  t[\"\\uFCC0\"] = \"\\u0641\\u062E\";\n  t[\"\\uFCC1\"] = \"\\u0641\\u0645\";\n  t[\"\\uFCC2\"] = \"\\u0642\\u062D\";\n  t[\"\\uFCC3\"] = \"\\u0642\\u0645\";\n  t[\"\\uFCC4\"] = \"\\u0643\\u062C\";\n  t[\"\\uFCC5\"] = \"\\u0643\\u062D\";\n  t[\"\\uFCC6\"] = \"\\u0643\\u062E\";\n  t[\"\\uFCC7\"] = \"\\u0643\\u0644\";\n  t[\"\\uFCC8\"] = \"\\u0643\\u0645\";\n  t[\"\\uFCC9\"] = \"\\u0644\\u062C\";\n  t[\"\\uFCCA\"] = \"\\u0644\\u062D\";\n  t[\"\\uFCCB\"] = \"\\u0644\\u062E\";\n  t[\"\\uFCCC\"] = \"\\u0644\\u0645\";\n  t[\"\\uFCCD\"] = \"\\u0644\\u0647\";\n  t[\"\\uFCCE\"] = \"\\u0645\\u062C\";\n  t[\"\\uFCCF\"] = \"\\u0645\\u062D\";\n  t[\"\\uFCD0\"] = \"\\u0645\\u062E\";\n  t[\"\\uFCD1\"] = \"\\u0645\\u0645\";\n  t[\"\\uFCD2\"] = \"\\u0646\\u062C\";\n  t[\"\\uFCD3\"] = \"\\u0646\\u062D\";\n  t[\"\\uFCD4\"] = \"\\u0646\\u062E\";\n  t[\"\\uFCD5\"] = \"\\u0646\\u0645\";\n  t[\"\\uFCD6\"] = \"\\u0646\\u0647\";\n  t[\"\\uFCD7\"] = \"\\u0647\\u062C\";\n  t[\"\\uFCD8\"] = \"\\u0647\\u0645\";\n  t[\"\\uFCD9\"] = \"\\u0647\\u0670\";\n  t[\"\\uFCDA\"] = \"\\u064A\\u062C\";\n  t[\"\\uFCDB\"] = \"\\u064A\\u062D\";\n  t[\"\\uFCDC\"] = \"\\u064A\\u062E\";\n  t[\"\\uFCDD\"] = \"\\u064A\\u0645\";\n  t[\"\\uFCDE\"] = \"\\u064A\\u0647\";\n  t[\"\\uFCDF\"] = \"\\u0626\\u0645\";\n  t[\"\\uFCE0\"] = \"\\u0626\\u0647\";\n  t[\"\\uFCE1\"] = \"\\u0628\\u0645\";\n  t[\"\\uFCE2\"] = \"\\u0628\\u0647\";\n  t[\"\\uFCE3\"] = \"\\u062A\\u0645\";\n  t[\"\\uFCE4\"] = \"\\u062A\\u0647\";\n  t[\"\\uFCE5\"] = \"\\u062B\\u0645\";\n  t[\"\\uFCE6\"] = \"\\u062B\\u0647\";\n  t[\"\\uFCE7\"] = \"\\u0633\\u0645\";\n  t[\"\\uFCE8\"] = \"\\u0633\\u0647\";\n  t[\"\\uFCE9\"] = \"\\u0634\\u0645\";\n  t[\"\\uFCEA\"] = \"\\u0634\\u0647\";\n  t[\"\\uFCEB\"] = \"\\u0643\\u0644\";\n  t[\"\\uFCEC\"] = \"\\u0643\\u0645\";\n  t[\"\\uFCED\"] = \"\\u0644\\u0645\";\n  t[\"\\uFCEE\"] = \"\\u0646\\u0645\";\n  t[\"\\uFCEF\"] = \"\\u0646\\u0647\";\n  t[\"\\uFCF0\"] = \"\\u064A\\u0645\";\n  t[\"\\uFCF1\"] = \"\\u064A\\u0647\";\n  t[\"\\uFCF2\"] = \"\\u0640\\u064E\\u0651\";\n  t[\"\\uFCF3\"] = \"\\u0640\\u064F\\u0651\";\n  t[\"\\uFCF4\"] = \"\\u0640\\u0650\\u0651\";\n  t[\"\\uFCF5\"] = \"\\u0637\\u0649\";\n  t[\"\\uFCF6\"] = \"\\u0637\\u064A\";\n  t[\"\\uFCF7\"] = \"\\u0639\\u0649\";\n  t[\"\\uFCF8\"] = \"\\u0639\\u064A\";\n  t[\"\\uFCF9\"] = \"\\u063A\\u0649\";\n  t[\"\\uFCFA\"] = \"\\u063A\\u064A\";\n  t[\"\\uFCFB\"] = \"\\u0633\\u0649\";\n  t[\"\\uFCFC\"] = \"\\u0633\\u064A\";\n  t[\"\\uFCFD\"] = \"\\u0634\\u0649\";\n  t[\"\\uFCFE\"] = \"\\u0634\\u064A\";\n  t[\"\\uFCFF\"] = \"\\u062D\\u0649\";\n  t[\"\\uFD00\"] = \"\\u062D\\u064A\";\n  t[\"\\uFD01\"] = \"\\u062C\\u0649\";\n  t[\"\\uFD02\"] = \"\\u062C\\u064A\";\n  t[\"\\uFD03\"] = \"\\u062E\\u0649\";\n  t[\"\\uFD04\"] = \"\\u062E\\u064A\";\n  t[\"\\uFD05\"] = \"\\u0635\\u0649\";\n  t[\"\\uFD06\"] = \"\\u0635\\u064A\";\n  t[\"\\uFD07\"] = \"\\u0636\\u0649\";\n  t[\"\\uFD08\"] = \"\\u0636\\u064A\";\n  t[\"\\uFD09\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD0A\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD0B\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD0C\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD0D\"] = \"\\u0634\\u0631\";\n  t[\"\\uFD0E\"] = \"\\u0633\\u0631\";\n  t[\"\\uFD0F\"] = \"\\u0635\\u0631\";\n  t[\"\\uFD10\"] = \"\\u0636\\u0631\";\n  t[\"\\uFD11\"] = \"\\u0637\\u0649\";\n  t[\"\\uFD12\"] = \"\\u0637\\u064A\";\n  t[\"\\uFD13\"] = \"\\u0639\\u0649\";\n  t[\"\\uFD14\"] = \"\\u0639\\u064A\";\n  t[\"\\uFD15\"] = \"\\u063A\\u0649\";\n  t[\"\\uFD16\"] = \"\\u063A\\u064A\";\n  t[\"\\uFD17\"] = \"\\u0633\\u0649\";\n  t[\"\\uFD18\"] = \"\\u0633\\u064A\";\n  t[\"\\uFD19\"] = \"\\u0634\\u0649\";\n  t[\"\\uFD1A\"] = \"\\u0634\\u064A\";\n  t[\"\\uFD1B\"] = \"\\u062D\\u0649\";\n  t[\"\\uFD1C\"] = \"\\u062D\\u064A\";\n  t[\"\\uFD1D\"] = \"\\u062C\\u0649\";\n  t[\"\\uFD1E\"] = \"\\u062C\\u064A\";\n  t[\"\\uFD1F\"] = \"\\u062E\\u0649\";\n  t[\"\\uFD20\"] = \"\\u062E\\u064A\";\n  t[\"\\uFD21\"] = \"\\u0635\\u0649\";\n  t[\"\\uFD22\"] = \"\\u0635\\u064A\";\n  t[\"\\uFD23\"] = \"\\u0636\\u0649\";\n  t[\"\\uFD24\"] = \"\\u0636\\u064A\";\n  t[\"\\uFD25\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD26\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD27\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD28\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD29\"] = \"\\u0634\\u0631\";\n  t[\"\\uFD2A\"] = \"\\u0633\\u0631\";\n  t[\"\\uFD2B\"] = \"\\u0635\\u0631\";\n  t[\"\\uFD2C\"] = \"\\u0636\\u0631\";\n  t[\"\\uFD2D\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD2E\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD2F\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD30\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD31\"] = \"\\u0633\\u0647\";\n  t[\"\\uFD32\"] = \"\\u0634\\u0647\";\n  t[\"\\uFD33\"] = \"\\u0637\\u0645\";\n  t[\"\\uFD34\"] = \"\\u0633\\u062C\";\n  t[\"\\uFD35\"] = \"\\u0633\\u062D\";\n  t[\"\\uFD36\"] = \"\\u0633\\u062E\";\n  t[\"\\uFD37\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD38\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD39\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD3A\"] = \"\\u0637\\u0645\";\n  t[\"\\uFD3B\"] = \"\\u0638\\u0645\";\n  t[\"\\uFD3C\"] = \"\\u0627\\u064B\";\n  t[\"\\uFD3D\"] = \"\\u0627\\u064B\";\n  t[\"\\uFD50\"] = \"\\u062A\\u062C\\u0645\";\n  t[\"\\uFD51\"] = \"\\u062A\\u062D\\u062C\";\n  t[\"\\uFD52\"] = \"\\u062A\\u062D\\u062C\";\n  t[\"\\uFD53\"] = \"\\u062A\\u062D\\u0645\";\n  t[\"\\uFD54\"] = \"\\u062A\\u062E\\u0645\";\n  t[\"\\uFD55\"] = \"\\u062A\\u0645\\u062C\";\n  t[\"\\uFD56\"] = \"\\u062A\\u0645\\u062D\";\n  t[\"\\uFD57\"] = \"\\u062A\\u0645\\u062E\";\n  t[\"\\uFD58\"] = \"\\u062C\\u0645\\u062D\";\n  t[\"\\uFD59\"] = \"\\u062C\\u0645\\u062D\";\n  t[\"\\uFD5A\"] = \"\\u062D\\u0645\\u064A\";\n  t[\"\\uFD5B\"] = \"\\u062D\\u0645\\u0649\";\n  t[\"\\uFD5C\"] = \"\\u0633\\u062D\\u062C\";\n  t[\"\\uFD5D\"] = \"\\u0633\\u062C\\u062D\";\n  t[\"\\uFD5E\"] = \"\\u0633\\u062C\\u0649\";\n  t[\"\\uFD5F\"] = \"\\u0633\\u0645\\u062D\";\n  t[\"\\uFD60\"] = \"\\u0633\\u0645\\u062D\";\n  t[\"\\uFD61\"] = \"\\u0633\\u0645\\u062C\";\n  t[\"\\uFD62\"] = \"\\u0633\\u0645\\u0645\";\n  t[\"\\uFD63\"] = \"\\u0633\\u0645\\u0645\";\n  t[\"\\uFD64\"] = \"\\u0635\\u062D\\u062D\";\n  t[\"\\uFD65\"] = \"\\u0635\\u062D\\u062D\";\n  t[\"\\uFD66\"] = \"\\u0635\\u0645\\u0645\";\n  t[\"\\uFD67\"] = \"\\u0634\\u062D\\u0645\";\n  t[\"\\uFD68\"] = \"\\u0634\\u062D\\u0645\";\n  t[\"\\uFD69\"] = \"\\u0634\\u062C\\u064A\";\n  t[\"\\uFD6A\"] = \"\\u0634\\u0645\\u062E\";\n  t[\"\\uFD6B\"] = \"\\u0634\\u0645\\u062E\";\n  t[\"\\uFD6C\"] = \"\\u0634\\u0645\\u0645\";\n  t[\"\\uFD6D\"] = \"\\u0634\\u0645\\u0645\";\n  t[\"\\uFD6E\"] = \"\\u0636\\u062D\\u0649\";\n  t[\"\\uFD6F\"] = \"\\u0636\\u062E\\u0645\";\n  t[\"\\uFD70\"] = \"\\u0636\\u062E\\u0645\";\n  t[\"\\uFD71\"] = \"\\u0637\\u0645\\u062D\";\n  t[\"\\uFD72\"] = \"\\u0637\\u0645\\u062D\";\n  t[\"\\uFD73\"] = \"\\u0637\\u0645\\u0645\";\n  t[\"\\uFD74\"] = \"\\u0637\\u0645\\u064A\";\n  t[\"\\uFD75\"] = \"\\u0639\\u062C\\u0645\";\n  t[\"\\uFD76\"] = \"\\u0639\\u0645\\u0645\";\n  t[\"\\uFD77\"] = \"\\u0639\\u0645\\u0645\";\n  t[\"\\uFD78\"] = \"\\u0639\\u0645\\u0649\";\n  t[\"\\uFD79\"] = \"\\u063A\\u0645\\u0645\";\n  t[\"\\uFD7A\"] = \"\\u063A\\u0645\\u064A\";\n  t[\"\\uFD7B\"] = \"\\u063A\\u0645\\u0649\";\n  t[\"\\uFD7C\"] = \"\\u0641\\u062E\\u0645\";\n  t[\"\\uFD7D\"] = \"\\u0641\\u062E\\u0645\";\n  t[\"\\uFD7E\"] = \"\\u0642\\u0645\\u062D\";\n  t[\"\\uFD7F\"] = \"\\u0642\\u0645\\u0645\";\n  t[\"\\uFD80\"] = \"\\u0644\\u062D\\u0645\";\n  t[\"\\uFD81\"] = \"\\u0644\\u062D\\u064A\";\n  t[\"\\uFD82\"] = \"\\u0644\\u062D\\u0649\";\n  t[\"\\uFD83\"] = \"\\u0644\\u062C\\u062C\";\n  t[\"\\uFD84\"] = \"\\u0644\\u062C\\u062C\";\n  t[\"\\uFD85\"] = \"\\u0644\\u062E\\u0645\";\n  t[\"\\uFD86\"] = \"\\u0644\\u062E\\u0645\";\n  t[\"\\uFD87\"] = \"\\u0644\\u0645\\u062D\";\n  t[\"\\uFD88\"] = \"\\u0644\\u0645\\u062D\";\n  t[\"\\uFD89\"] = \"\\u0645\\u062D\\u062C\";\n  t[\"\\uFD8A\"] = \"\\u0645\\u062D\\u0645\";\n  t[\"\\uFD8B\"] = \"\\u0645\\u062D\\u064A\";\n  t[\"\\uFD8C\"] = \"\\u0645\\u062C\\u062D\";\n  t[\"\\uFD8D\"] = \"\\u0645\\u062C\\u0645\";\n  t[\"\\uFD8E\"] = \"\\u0645\\u062E\\u062C\";\n  t[\"\\uFD8F\"] = \"\\u0645\\u062E\\u0645\";\n  t[\"\\uFD92\"] = \"\\u0645\\u062C\\u062E\";\n  t[\"\\uFD93\"] = \"\\u0647\\u0645\\u062C\";\n  t[\"\\uFD94\"] = \"\\u0647\\u0645\\u0645\";\n  t[\"\\uFD95\"] = \"\\u0646\\u062D\\u0645\";\n  t[\"\\uFD96\"] = \"\\u0646\\u062D\\u0649\";\n  t[\"\\uFD97\"] = \"\\u0646\\u062C\\u0645\";\n  t[\"\\uFD98\"] = \"\\u0646\\u062C\\u0645\";\n  t[\"\\uFD99\"] = \"\\u0646\\u062C\\u0649\";\n  t[\"\\uFD9A\"] = \"\\u0646\\u0645\\u064A\";\n  t[\"\\uFD9B\"] = \"\\u0646\\u0645\\u0649\";\n  t[\"\\uFD9C\"] = \"\\u064A\\u0645\\u0645\";\n  t[\"\\uFD9D\"] = \"\\u064A\\u0645\\u0645\";\n  t[\"\\uFD9E\"] = \"\\u0628\\u062E\\u064A\";\n  t[\"\\uFD9F\"] = \"\\u062A\\u062C\\u064A\";\n  t[\"\\uFDA0\"] = \"\\u062A\\u062C\\u0649\";\n  t[\"\\uFDA1\"] = \"\\u062A\\u062E\\u064A\";\n  t[\"\\uFDA2\"] = \"\\u062A\\u062E\\u0649\";\n  t[\"\\uFDA3\"] = \"\\u062A\\u0645\\u064A\";\n  t[\"\\uFDA4\"] = \"\\u062A\\u0645\\u0649\";\n  t[\"\\uFDA5\"] = \"\\u062C\\u0645\\u064A\";\n  t[\"\\uFDA6\"] = \"\\u062C\\u062D\\u0649\";\n  t[\"\\uFDA7\"] = \"\\u062C\\u0645\\u0649\";\n  t[\"\\uFDA8\"] = \"\\u0633\\u062E\\u0649\";\n  t[\"\\uFDA9\"] = \"\\u0635\\u062D\\u064A\";\n  t[\"\\uFDAA\"] = \"\\u0634\\u062D\\u064A\";\n  t[\"\\uFDAB\"] = \"\\u0636\\u062D\\u064A\";\n  t[\"\\uFDAC\"] = \"\\u0644\\u062C\\u064A\";\n  t[\"\\uFDAD\"] = \"\\u0644\\u0645\\u064A\";\n  t[\"\\uFDAE\"] = \"\\u064A\\u062D\\u064A\";\n  t[\"\\uFDAF\"] = \"\\u064A\\u062C\\u064A\";\n  t[\"\\uFDB0\"] = \"\\u064A\\u0645\\u064A\";\n  t[\"\\uFDB1\"] = \"\\u0645\\u0645\\u064A\";\n  t[\"\\uFDB2\"] = \"\\u0642\\u0645\\u064A\";\n  t[\"\\uFDB3\"] = \"\\u0646\\u062D\\u064A\";\n  t[\"\\uFDB4\"] = \"\\u0642\\u0645\\u062D\";\n  t[\"\\uFDB5\"] = \"\\u0644\\u062D\\u0645\";\n  t[\"\\uFDB6\"] = \"\\u0639\\u0645\\u064A\";\n  t[\"\\uFDB7\"] = \"\\u0643\\u0645\\u064A\";\n  t[\"\\uFDB8\"] = \"\\u0646\\u062C\\u062D\";\n  t[\"\\uFDB9\"] = \"\\u0645\\u062E\\u064A\";\n  t[\"\\uFDBA\"] = \"\\u0644\\u062C\\u0645\";\n  t[\"\\uFDBB\"] = \"\\u0643\\u0645\\u0645\";\n  t[\"\\uFDBC\"] = \"\\u0644\\u062C\\u0645\";\n  t[\"\\uFDBD\"] = \"\\u0646\\u062C\\u062D\";\n  t[\"\\uFDBE\"] = \"\\u062C\\u062D\\u064A\";\n  t[\"\\uFDBF\"] = \"\\u062D\\u062C\\u064A\";\n  t[\"\\uFDC0\"] = \"\\u0645\\u062C\\u064A\";\n  t[\"\\uFDC1\"] = \"\\u0641\\u0645\\u064A\";\n  t[\"\\uFDC2\"] = \"\\u0628\\u062D\\u064A\";\n  t[\"\\uFDC3\"] = \"\\u0643\\u0645\\u0645\";\n  t[\"\\uFDC4\"] = \"\\u0639\\u062C\\u0645\";\n  t[\"\\uFDC5\"] = \"\\u0635\\u0645\\u0645\";\n  t[\"\\uFDC6\"] = \"\\u0633\\u062E\\u064A\";\n  t[\"\\uFDC7\"] = \"\\u0646\\u062C\\u064A\";\n  t[\"\\uFE49\"] = \"\\u203E\";\n  t[\"\\uFE4A\"] = \"\\u203E\";\n  t[\"\\uFE4B\"] = \"\\u203E\";\n  t[\"\\uFE4C\"] = \"\\u203E\";\n  t[\"\\uFE4D\"] = \"\\u005F\";\n  t[\"\\uFE4E\"] = \"\\u005F\";\n  t[\"\\uFE4F\"] = \"\\u005F\";\n  t[\"\\uFE80\"] = \"\\u0621\";\n  t[\"\\uFE81\"] = \"\\u0622\";\n  t[\"\\uFE82\"] = \"\\u0622\";\n  t[\"\\uFE83\"] = \"\\u0623\";\n  t[\"\\uFE84\"] = \"\\u0623\";\n  t[\"\\uFE85\"] = \"\\u0624\";\n  t[\"\\uFE86\"] = \"\\u0624\";\n  t[\"\\uFE87\"] = \"\\u0625\";\n  t[\"\\uFE88\"] = \"\\u0625\";\n  t[\"\\uFE89\"] = \"\\u0626\";\n  t[\"\\uFE8A\"] = \"\\u0626\";\n  t[\"\\uFE8B\"] = \"\\u0626\";\n  t[\"\\uFE8C\"] = \"\\u0626\";\n  t[\"\\uFE8D\"] = \"\\u0627\";\n  t[\"\\uFE8E\"] = \"\\u0627\";\n  t[\"\\uFE8F\"] = \"\\u0628\";\n  t[\"\\uFE90\"] = \"\\u0628\";\n  t[\"\\uFE91\"] = \"\\u0628\";\n  t[\"\\uFE92\"] = \"\\u0628\";\n  t[\"\\uFE93\"] = \"\\u0629\";\n  t[\"\\uFE94\"] = \"\\u0629\";\n  t[\"\\uFE95\"] = \"\\u062A\";\n  t[\"\\uFE96\"] = \"\\u062A\";\n  t[\"\\uFE97\"] = \"\\u062A\";\n  t[\"\\uFE98\"] = \"\\u062A\";\n  t[\"\\uFE99\"] = \"\\u062B\";\n  t[\"\\uFE9A\"] = \"\\u062B\";\n  t[\"\\uFE9B\"] = \"\\u062B\";\n  t[\"\\uFE9C\"] = \"\\u062B\";\n  t[\"\\uFE9D\"] = \"\\u062C\";\n  t[\"\\uFE9E\"] = \"\\u062C\";\n  t[\"\\uFE9F\"] = \"\\u062C\";\n  t[\"\\uFEA0\"] = \"\\u062C\";\n  t[\"\\uFEA1\"] = \"\\u062D\";\n  t[\"\\uFEA2\"] = \"\\u062D\";\n  t[\"\\uFEA3\"] = \"\\u062D\";\n  t[\"\\uFEA4\"] = \"\\u062D\";\n  t[\"\\uFEA5\"] = \"\\u062E\";\n  t[\"\\uFEA6\"] = \"\\u062E\";\n  t[\"\\uFEA7\"] = \"\\u062E\";\n  t[\"\\uFEA8\"] = \"\\u062E\";\n  t[\"\\uFEA9\"] = \"\\u062F\";\n  t[\"\\uFEAA\"] = \"\\u062F\";\n  t[\"\\uFEAB\"] = \"\\u0630\";\n  t[\"\\uFEAC\"] = \"\\u0630\";\n  t[\"\\uFEAD\"] = \"\\u0631\";\n  t[\"\\uFEAE\"] = \"\\u0631\";\n  t[\"\\uFEAF\"] = \"\\u0632\";\n  t[\"\\uFEB0\"] = \"\\u0632\";\n  t[\"\\uFEB1\"] = \"\\u0633\";\n  t[\"\\uFEB2\"] = \"\\u0633\";\n  t[\"\\uFEB3\"] = \"\\u0633\";\n  t[\"\\uFEB4\"] = \"\\u0633\";\n  t[\"\\uFEB5\"] = \"\\u0634\";\n  t[\"\\uFEB6\"] = \"\\u0634\";\n  t[\"\\uFEB7\"] = \"\\u0634\";\n  t[\"\\uFEB8\"] = \"\\u0634\";\n  t[\"\\uFEB9\"] = \"\\u0635\";\n  t[\"\\uFEBA\"] = \"\\u0635\";\n  t[\"\\uFEBB\"] = \"\\u0635\";\n  t[\"\\uFEBC\"] = \"\\u0635\";\n  t[\"\\uFEBD\"] = \"\\u0636\";\n  t[\"\\uFEBE\"] = \"\\u0636\";\n  t[\"\\uFEBF\"] = \"\\u0636\";\n  t[\"\\uFEC0\"] = \"\\u0636\";\n  t[\"\\uFEC1\"] = \"\\u0637\";\n  t[\"\\uFEC2\"] = \"\\u0637\";\n  t[\"\\uFEC3\"] = \"\\u0637\";\n  t[\"\\uFEC4\"] = \"\\u0637\";\n  t[\"\\uFEC5\"] = \"\\u0638\";\n  t[\"\\uFEC6\"] = \"\\u0638\";\n  t[\"\\uFEC7\"] = \"\\u0638\";\n  t[\"\\uFEC8\"] = \"\\u0638\";\n  t[\"\\uFEC9\"] = \"\\u0639\";\n  t[\"\\uFECA\"] = \"\\u0639\";\n  t[\"\\uFECB\"] = \"\\u0639\";\n  t[\"\\uFECC\"] = \"\\u0639\";\n  t[\"\\uFECD\"] = \"\\u063A\";\n  t[\"\\uFECE\"] = \"\\u063A\";\n  t[\"\\uFECF\"] = \"\\u063A\";\n  t[\"\\uFED0\"] = \"\\u063A\";\n  t[\"\\uFED1\"] = \"\\u0641\";\n  t[\"\\uFED2\"] = \"\\u0641\";\n  t[\"\\uFED3\"] = \"\\u0641\";\n  t[\"\\uFED4\"] = \"\\u0641\";\n  t[\"\\uFED5\"] = \"\\u0642\";\n  t[\"\\uFED6\"] = \"\\u0642\";\n  t[\"\\uFED7\"] = \"\\u0642\";\n  t[\"\\uFED8\"] = \"\\u0642\";\n  t[\"\\uFED9\"] = \"\\u0643\";\n  t[\"\\uFEDA\"] = \"\\u0643\";\n  t[\"\\uFEDB\"] = \"\\u0643\";\n  t[\"\\uFEDC\"] = \"\\u0643\";\n  t[\"\\uFEDD\"] = \"\\u0644\";\n  t[\"\\uFEDE\"] = \"\\u0644\";\n  t[\"\\uFEDF\"] = \"\\u0644\";\n  t[\"\\uFEE0\"] = \"\\u0644\";\n  t[\"\\uFEE1\"] = \"\\u0645\";\n  t[\"\\uFEE2\"] = \"\\u0645\";\n  t[\"\\uFEE3\"] = \"\\u0645\";\n  t[\"\\uFEE4\"] = \"\\u0645\";\n  t[\"\\uFEE5\"] = \"\\u0646\";\n  t[\"\\uFEE6\"] = \"\\u0646\";\n  t[\"\\uFEE7\"] = \"\\u0646\";\n  t[\"\\uFEE8\"] = \"\\u0646\";\n  t[\"\\uFEE9\"] = \"\\u0647\";\n  t[\"\\uFEEA\"] = \"\\u0647\";\n  t[\"\\uFEEB\"] = \"\\u0647\";\n  t[\"\\uFEEC\"] = \"\\u0647\";\n  t[\"\\uFEED\"] = \"\\u0648\";\n  t[\"\\uFEEE\"] = \"\\u0648\";\n  t[\"\\uFEEF\"] = \"\\u0649\";\n  t[\"\\uFEF0\"] = \"\\u0649\";\n  t[\"\\uFEF1\"] = \"\\u064A\";\n  t[\"\\uFEF2\"] = \"\\u064A\";\n  t[\"\\uFEF3\"] = \"\\u064A\";\n  t[\"\\uFEF4\"] = \"\\u064A\";\n  t[\"\\uFEF5\"] = \"\\u0644\\u0622\";\n  t[\"\\uFEF6\"] = \"\\u0644\\u0622\";\n  t[\"\\uFEF7\"] = \"\\u0644\\u0623\";\n  t[\"\\uFEF8\"] = \"\\u0644\\u0623\";\n  t[\"\\uFEF9\"] = \"\\u0644\\u0625\";\n  t[\"\\uFEFA\"] = \"\\u0644\\u0625\";\n  t[\"\\uFEFB\"] = \"\\u0644\\u0627\";\n  t[\"\\uFEFC\"] = \"\\u0644\\u0627\";\n});\n\nfunction reverseIfRtl(chars) {\n  var charsLength = chars.length;\n  // Reverse an arabic ligature.\n  if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {\n    return chars;\n  }\n  var s = \"\";\n  for (var ii = charsLength - 1; ii >= 0; ii--) {\n    s += chars[ii];\n  }\n  return s;\n}\n\nexports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;\nexports.reverseIfRtl = reverseIfRtl;\nexports.getUnicodeRangeFor = getUnicodeRangeFor;\nexports.getNormalizedUnicodes = getNormalizedUnicodes;\nexports.getUnicodeForGlyph = getUnicodeForGlyph;\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FONT_IDENTITY_MATRIX,\n  FormatError,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { CFFParser } from \"./cff_parser.js\";\nimport { getGlyphsUnicode } from \"./glyphlist.js\";\nimport { StandardEncoding } from \"./encodings.js\";\nimport { Stream } from \"./stream.js\";\n\nvar FontRendererFactory = (function FontRendererFactoryClosure() {\n  function getLong(data, offset) {\n    return (\n      (data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]\n    );\n  }\n\n  function getUshort(data, offset) {\n    return (data[offset] << 8) | data[offset + 1];\n  }\n\n  function getSubroutineBias(subrs) {\n    const numSubrs = subrs.length;\n    let bias = 32768;\n    if (numSubrs < 1240) {\n      bias = 107;\n    } else if (numSubrs < 33900) {\n      bias = 1131;\n    }\n    return bias;\n  }\n\n  function parseCmap(data, start, end) {\n    var offset =\n      getUshort(data, start + 2) === 1\n        ? getLong(data, start + 8)\n        : getLong(data, start + 16);\n    var format = getUshort(data, start + offset);\n    var ranges, p, i;\n    if (format === 4) {\n      getUshort(data, start + offset + 2); // length\n      var segCount = getUshort(data, start + offset + 6) >> 1;\n      p = start + offset + 14;\n      ranges = [];\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i] = { end: getUshort(data, p) };\n      }\n      p += 2;\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i].start = getUshort(data, p);\n      }\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i].idDelta = getUshort(data, p);\n      }\n      for (i = 0; i < segCount; i++, p += 2) {\n        var idOffset = getUshort(data, p);\n        if (idOffset === 0) {\n          continue;\n        }\n        ranges[i].ids = [];\n        for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) {\n          ranges[i].ids[j] = getUshort(data, p + idOffset);\n          idOffset += 2;\n        }\n      }\n      return ranges;\n    } else if (format === 12) {\n      getLong(data, start + offset + 4); // length\n      var groups = getLong(data, start + offset + 12);\n      p = start + offset + 16;\n      ranges = [];\n      for (i = 0; i < groups; i++) {\n        ranges.push({\n          start: getLong(data, p),\n          end: getLong(data, p + 4),\n          idDelta: getLong(data, p + 8) - getLong(data, p),\n        });\n        p += 12;\n      }\n      return ranges;\n    }\n    throw new FormatError(`unsupported cmap: ${format}`);\n  }\n\n  function parseCff(data, start, end, seacAnalysisEnabled) {\n    var properties = {};\n    var parser = new CFFParser(\n      new Stream(data, start, end - start),\n      properties,\n      seacAnalysisEnabled\n    );\n    var cff = parser.parse();\n    return {\n      glyphs: cff.charStrings.objects,\n      subrs:\n        cff.topDict.privateDict &&\n        cff.topDict.privateDict.subrsIndex &&\n        cff.topDict.privateDict.subrsIndex.objects,\n      gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects,\n      isCFFCIDFont: cff.isCIDFont,\n      fdSelect: cff.fdSelect,\n      fdArray: cff.fdArray,\n    };\n  }\n\n  function parseGlyfTable(glyf, loca, isGlyphLocationsLong) {\n    var itemSize, itemDecode;\n    if (isGlyphLocationsLong) {\n      itemSize = 4;\n      itemDecode = function fontItemDecodeLong(data, offset) {\n        return (\n          (data[offset] << 24) |\n          (data[offset + 1] << 16) |\n          (data[offset + 2] << 8) |\n          data[offset + 3]\n        );\n      };\n    } else {\n      itemSize = 2;\n      itemDecode = function fontItemDecode(data, offset) {\n        return (data[offset] << 9) | (data[offset + 1] << 1);\n      };\n    }\n    var glyphs = [];\n    var startOffset = itemDecode(loca, 0);\n    for (var j = itemSize; j < loca.length; j += itemSize) {\n      var endOffset = itemDecode(loca, j);\n      glyphs.push(glyf.subarray(startOffset, endOffset));\n      startOffset = endOffset;\n    }\n    return glyphs;\n  }\n\n  function lookupCmap(ranges, unicode) {\n    var code = unicode.codePointAt(0),\n      gid = 0;\n    var l = 0,\n      r = ranges.length - 1;\n    while (l < r) {\n      var c = (l + r + 1) >> 1;\n      if (code < ranges[c].start) {\n        r = c - 1;\n      } else {\n        l = c;\n      }\n    }\n    if (ranges[l].start <= code && code <= ranges[l].end) {\n      gid =\n        (ranges[l].idDelta +\n          (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code)) &\n        0xffff;\n    }\n    return {\n      charCode: code,\n      glyphId: gid,\n    };\n  }\n\n  function compileGlyf(code, cmds, font) {\n    function moveTo(x, y) {\n      cmds.push({ cmd: \"moveTo\", args: [x, y] });\n    }\n    function lineTo(x, y) {\n      cmds.push({ cmd: \"lineTo\", args: [x, y] });\n    }\n    function quadraticCurveTo(xa, ya, x, y) {\n      cmds.push({ cmd: \"quadraticCurveTo\", args: [xa, ya, x, y] });\n    }\n\n    var i = 0;\n    var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n    var flags;\n    var x = 0,\n      y = 0;\n    i += 10;\n    if (numberOfContours < 0) {\n      // composite glyph\n      do {\n        flags = (code[i] << 8) | code[i + 1];\n        var glyphIndex = (code[i + 2] << 8) | code[i + 3];\n        i += 4;\n        var arg1, arg2;\n        if (flags & 0x01) {\n          arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n          arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16;\n          i += 4;\n        } else {\n          arg1 = code[i++];\n          arg2 = code[i++];\n        }\n        if (flags & 0x02) {\n          x = arg1;\n          y = arg2;\n        } else {\n          x = 0;\n          y = 0; // TODO \"they are points\" ?\n        }\n        var scaleX = 1,\n          scaleY = 1,\n          scale01 = 0,\n          scale10 = 0;\n        if (flags & 0x08) {\n          scaleX = scaleY =\n            ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          i += 2;\n        } else if (flags & 0x40) {\n          scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824;\n          i += 4;\n        } else if (flags & 0x80) {\n          scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824;\n          scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824;\n          scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824;\n          i += 8;\n        }\n        var subglyph = font.glyphs[glyphIndex];\n        if (subglyph) {\n          cmds.push({ cmd: \"save\" });\n          cmds.push({\n            cmd: \"transform\",\n            args: [scaleX, scale01, scale10, scaleY, x, y],\n          });\n          compileGlyf(subglyph, cmds, font);\n          cmds.push({ cmd: \"restore\" });\n        }\n      } while (flags & 0x20);\n    } else {\n      // simple glyph\n      var endPtsOfContours = [];\n      var j, jj;\n      for (j = 0; j < numberOfContours; j++) {\n        endPtsOfContours.push((code[i] << 8) | code[i + 1]);\n        i += 2;\n      }\n      var instructionLength = (code[i] << 8) | code[i + 1];\n      i += 2 + instructionLength; // skipping the instructions\n      var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1;\n      var points = [];\n      while (points.length < numberOfPoints) {\n        flags = code[i++];\n        var repeat = 1;\n        if (flags & 0x08) {\n          repeat += code[i++];\n        }\n        while (repeat-- > 0) {\n          points.push({ flags });\n        }\n      }\n      for (j = 0; j < numberOfPoints; j++) {\n        switch (points[j].flags & 0x12) {\n          case 0x00:\n            x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n            i += 2;\n            break;\n          case 0x02:\n            x -= code[i++];\n            break;\n          case 0x12:\n            x += code[i++];\n            break;\n        }\n        points[j].x = x;\n      }\n      for (j = 0; j < numberOfPoints; j++) {\n        switch (points[j].flags & 0x24) {\n          case 0x00:\n            y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n            i += 2;\n            break;\n          case 0x04:\n            y -= code[i++];\n            break;\n          case 0x24:\n            y += code[i++];\n            break;\n        }\n        points[j].y = y;\n      }\n\n      var startPoint = 0;\n      for (i = 0; i < numberOfContours; i++) {\n        var endPoint = endPtsOfContours[i];\n        // contours might have implicit points, which is located in the middle\n        // between two neighboring off-curve points\n        var contour = points.slice(startPoint, endPoint + 1);\n        if (contour[0].flags & 1) {\n          contour.push(contour[0]); // using start point at the contour end\n        } else if (contour[contour.length - 1].flags & 1) {\n          // first is off-curve point, trying to use one from the end\n          contour.unshift(contour[contour.length - 1]);\n        } else {\n          // start and end are off-curve points, creating implicit one\n          var p = {\n            flags: 1,\n            x: (contour[0].x + contour[contour.length - 1].x) / 2,\n            y: (contour[0].y + contour[contour.length - 1].y) / 2,\n          };\n          contour.unshift(p);\n          contour.push(p);\n        }\n        moveTo(contour[0].x, contour[0].y);\n        for (j = 1, jj = contour.length; j < jj; j++) {\n          if (contour[j].flags & 1) {\n            lineTo(contour[j].x, contour[j].y);\n          } else if (contour[j + 1].flags & 1) {\n            quadraticCurveTo(\n              contour[j].x,\n              contour[j].y,\n              contour[j + 1].x,\n              contour[j + 1].y\n            );\n            j++;\n          } else {\n            quadraticCurveTo(\n              contour[j].x,\n              contour[j].y,\n              (contour[j].x + contour[j + 1].x) / 2,\n              (contour[j].y + contour[j + 1].y) / 2\n            );\n          }\n        }\n        startPoint = endPoint + 1;\n      }\n    }\n  }\n\n  function compileCharString(charStringCode, cmds, font, glyphId) {\n    function moveTo(x, y) {\n      cmds.push({ cmd: \"moveTo\", args: [x, y] });\n    }\n    function lineTo(x, y) {\n      cmds.push({ cmd: \"lineTo\", args: [x, y] });\n    }\n    function bezierCurveTo(x1, y1, x2, y2, x, y) {\n      cmds.push({ cmd: \"bezierCurveTo\", args: [x1, y1, x2, y2, x, y] });\n    }\n\n    var stack = [];\n    var x = 0,\n      y = 0;\n    var stems = 0;\n\n    function parse(code) {\n      var i = 0;\n      while (i < code.length) {\n        var stackClean = false;\n        var v = code[i++];\n        var xa, xb, ya, yb, y1, y2, y3, n, subrCode;\n        switch (v) {\n          case 1: // hstem\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 3: // vstem\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 4: // vmoveto\n            y += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 5: // rlineto\n            while (stack.length > 0) {\n              x += stack.shift();\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 6: // hlineto\n            while (stack.length > 0) {\n              x += stack.shift();\n              lineTo(x, y);\n              if (stack.length === 0) {\n                break;\n              }\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 7: // vlineto\n            while (stack.length > 0) {\n              y += stack.shift();\n              lineTo(x, y);\n              if (stack.length === 0) {\n                break;\n              }\n              x += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 8: // rrcurveto\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 10: // callsubr\n            n = stack.pop();\n            subrCode = null;\n            if (font.isCFFCIDFont) {\n              const fdIndex = font.fdSelect.getFDIndex(glyphId);\n              if (fdIndex >= 0 && fdIndex < font.fdArray.length) {\n                const fontDict = font.fdArray[fdIndex];\n                let subrs;\n                if (fontDict.privateDict && fontDict.privateDict.subrsIndex) {\n                  subrs = fontDict.privateDict.subrsIndex.objects;\n                }\n                if (subrs) {\n                  // Add subroutine bias.\n                  n += getSubroutineBias(subrs);\n                  subrCode = subrs[n];\n                }\n              } else {\n                warn(\"Invalid fd index for glyph index.\");\n              }\n            } else {\n              subrCode = font.subrs[n + font.subrsBias];\n            }\n            if (subrCode) {\n              parse(subrCode);\n            }\n            break;\n          case 11: // return\n            return;\n          case 12:\n            v = code[i++];\n            switch (v) {\n              case 34: // flex\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                y1 = y + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y, xb, y1, x, y1);\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y1, xb, y, x, y);\n                break;\n              case 35: // flex\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                stack.pop(); // fd\n                break;\n              case 36: // hflex1\n                xa = x + stack.shift();\n                y1 = y + stack.shift();\n                xb = xa + stack.shift();\n                y2 = y1 + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y1, xb, y2, x, y2);\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                y3 = y2 + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y2, xb, y3, x, y);\n                break;\n              case 37: // flex1\n                var x0 = x,\n                  y0 = y;\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb;\n                y = yb;\n                if (Math.abs(x - x0) > Math.abs(y - y0)) {\n                  x += stack.shift();\n                } else {\n                  y += stack.shift();\n                }\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                break;\n              default:\n                throw new FormatError(`unknown operator: 12 ${v}`);\n            }\n            break;\n          case 14: // endchar\n            if (stack.length >= 4) {\n              var achar = stack.pop();\n              var bchar = stack.pop();\n              y = stack.pop();\n              x = stack.pop();\n              cmds.push({ cmd: \"save\" });\n              cmds.push({ cmd: \"translate\", args: [x, y] });\n              var cmap = lookupCmap(\n                font.cmap,\n                String.fromCharCode(font.glyphNameMap[StandardEncoding[achar]])\n              );\n              compileCharString(\n                font.glyphs[cmap.glyphId],\n                cmds,\n                font,\n                cmap.glyphId\n              );\n              cmds.push({ cmd: \"restore\" });\n\n              cmap = lookupCmap(\n                font.cmap,\n                String.fromCharCode(font.glyphNameMap[StandardEncoding[bchar]])\n              );\n              compileCharString(\n                font.glyphs[cmap.glyphId],\n                cmds,\n                font,\n                cmap.glyphId\n              );\n            }\n            return;\n          case 18: // hstemhm\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 19: // hintmask\n            stems += stack.length >> 1;\n            i += (stems + 7) >> 3;\n            stackClean = true;\n            break;\n          case 20: // cntrmask\n            stems += stack.length >> 1;\n            i += (stems + 7) >> 3;\n            stackClean = true;\n            break;\n          case 21: // rmoveto\n            y += stack.pop();\n            x += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 22: // hmoveto\n            x += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 23: // vstemhm\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 24: // rcurveline\n            while (stack.length > 2) {\n              xa = x + stack.shift();\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            x += stack.shift();\n            y += stack.shift();\n            lineTo(x, y);\n            break;\n          case 25: // rlinecurve\n            while (stack.length > 6) {\n              x += stack.shift();\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            xa = x + stack.shift();\n            ya = y + stack.shift();\n            xb = xa + stack.shift();\n            yb = ya + stack.shift();\n            x = xb + stack.shift();\n            y = yb + stack.shift();\n            bezierCurveTo(xa, ya, xb, yb, x, y);\n            break;\n          case 26: // vvcurveto\n            if (stack.length % 2) {\n              x += stack.shift();\n            }\n            while (stack.length > 0) {\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb;\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 27: // hhcurveto\n            if (stack.length % 2) {\n              y += stack.shift();\n            }\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb;\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 28:\n            stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16);\n            i += 2;\n            break;\n          case 29: // callgsubr\n            n = stack.pop() + font.gsubrsBias;\n            subrCode = font.gsubrs[n];\n            if (subrCode) {\n              parse(subrCode);\n            }\n            break;\n          case 30: // vhcurveto\n            while (stack.length > 0) {\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n              if (stack.length === 0) {\n                break;\n              }\n\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              y = yb + stack.shift();\n              x = xb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 31: // hvcurveto\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              y = yb + stack.shift();\n              x = xb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n              if (stack.length === 0) {\n                break;\n              }\n\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          default:\n            if (v < 32) {\n              throw new FormatError(`unknown operator: ${v}`);\n            }\n            if (v < 247) {\n              stack.push(v - 139);\n            } else if (v < 251) {\n              stack.push((v - 247) * 256 + code[i++] + 108);\n            } else if (v < 255) {\n              stack.push(-(v - 251) * 256 - code[i++] - 108);\n            } else {\n              stack.push(\n                ((code[i] << 24) |\n                  (code[i + 1] << 16) |\n                  (code[i + 2] << 8) |\n                  code[i + 3]) /\n                  65536\n              );\n              i += 4;\n            }\n            break;\n        }\n        if (stackClean) {\n          stack.length = 0;\n        }\n      }\n    }\n    parse(charStringCode);\n  }\n\n  const NOOP = [];\n\n  class CompiledFont {\n    constructor(fontMatrix) {\n      if (this.constructor === CompiledFont) {\n        unreachable(\"Cannot initialize CompiledFont.\");\n      }\n      this.fontMatrix = fontMatrix;\n\n      this.compiledGlyphs = Object.create(null);\n      this.compiledCharCodeToGlyphId = Object.create(null);\n    }\n\n    getPathJs(unicode) {\n      const cmap = lookupCmap(this.cmap, unicode);\n      let fn = this.compiledGlyphs[cmap.glyphId];\n      if (!fn) {\n        fn = this.compileGlyph(this.glyphs[cmap.glyphId], cmap.glyphId);\n        this.compiledGlyphs[cmap.glyphId] = fn;\n      }\n      if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) {\n        this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId;\n      }\n      return fn;\n    }\n\n    compileGlyph(code, glyphId) {\n      if (!code || code.length === 0 || code[0] === 14) {\n        return NOOP;\n      }\n\n      let fontMatrix = this.fontMatrix;\n      if (this.isCFFCIDFont) {\n        // Top DICT's FontMatrix can be ignored because CFFCompiler always\n        // removes it and copies to FDArray DICTs.\n        const fdIndex = this.fdSelect.getFDIndex(glyphId);\n        if (fdIndex >= 0 && fdIndex < this.fdArray.length) {\n          const fontDict = this.fdArray[fdIndex];\n          fontMatrix = fontDict.getByName(\"FontMatrix\") || FONT_IDENTITY_MATRIX;\n        } else {\n          warn(\"Invalid fd index for glyph index.\");\n        }\n      }\n\n      const cmds = [];\n      cmds.push({ cmd: \"save\" });\n      cmds.push({ cmd: \"transform\", args: fontMatrix.slice() });\n      cmds.push({ cmd: \"scale\", args: [\"size\", \"-size\"] });\n\n      this.compileGlyphImpl(code, cmds, glyphId);\n\n      cmds.push({ cmd: \"restore\" });\n\n      return cmds;\n    }\n\n    compileGlyphImpl() {\n      unreachable(\"Children classes should implement this.\");\n    }\n\n    hasBuiltPath(unicode) {\n      const cmap = lookupCmap(this.cmap, unicode);\n      return (\n        this.compiledGlyphs[cmap.glyphId] !== undefined &&\n        this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined\n      );\n    }\n  }\n\n  class TrueTypeCompiled extends CompiledFont {\n    constructor(glyphs, cmap, fontMatrix) {\n      super(fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]);\n\n      this.glyphs = glyphs;\n      this.cmap = cmap;\n    }\n\n    compileGlyphImpl(code, cmds) {\n      compileGlyf(code, cmds, this);\n    }\n  }\n\n  class Type2Compiled extends CompiledFont {\n    constructor(cffInfo, cmap, fontMatrix, glyphNameMap) {\n      super(fontMatrix || [0.001, 0, 0, 0.001, 0, 0]);\n\n      this.glyphs = cffInfo.glyphs;\n      this.gsubrs = cffInfo.gsubrs || [];\n      this.subrs = cffInfo.subrs || [];\n      this.cmap = cmap;\n      this.glyphNameMap = glyphNameMap || getGlyphsUnicode();\n\n      this.gsubrsBias = getSubroutineBias(this.gsubrs);\n      this.subrsBias = getSubroutineBias(this.subrs);\n\n      this.isCFFCIDFont = cffInfo.isCFFCIDFont;\n      this.fdSelect = cffInfo.fdSelect;\n      this.fdArray = cffInfo.fdArray;\n    }\n\n    compileGlyphImpl(code, cmds, glyphId) {\n      compileCharString(code, cmds, this, glyphId);\n    }\n  }\n\n  return {\n    create: function FontRendererFactory_create(font, seacAnalysisEnabled) {\n      var data = new Uint8Array(font.data);\n      var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm;\n      var numTables = getUshort(data, 4);\n      for (var i = 0, p = 12; i < numTables; i++, p += 16) {\n        var tag = bytesToString(data.subarray(p, p + 4));\n        var offset = getLong(data, p + 8);\n        var length = getLong(data, p + 12);\n        switch (tag) {\n          case \"cmap\":\n            cmap = parseCmap(data, offset, offset + length);\n            break;\n          case \"glyf\":\n            glyf = data.subarray(offset, offset + length);\n            break;\n          case \"loca\":\n            loca = data.subarray(offset, offset + length);\n            break;\n          case \"head\":\n            unitsPerEm = getUshort(data, offset + 18);\n            indexToLocFormat = getUshort(data, offset + 50);\n            break;\n          case \"CFF \":\n            cff = parseCff(data, offset, offset + length, seacAnalysisEnabled);\n            break;\n        }\n      }\n\n      if (glyf) {\n        var fontMatrix = !unitsPerEm\n          ? font.fontMatrix\n          : [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0];\n        return new TrueTypeCompiled(\n          parseGlyfTable(glyf, loca, indexToLocFormat),\n          cmap,\n          fontMatrix\n        );\n      }\n      return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap);\n    },\n  };\n})();\n\nexport { FontRendererFactory };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getEncoding } from \"./encodings.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\nimport { Stream } from \"./stream.js\";\nimport { warn } from \"../shared/util.js\";\n\n// Hinting is currently disabled due to unknown problems on windows\n// in tracemonkey and various other pdfs with type1 fonts.\nvar HINTING_ENABLED = false;\n\n/*\n * CharStrings are encoded following the the CharString Encoding sequence\n * describe in Chapter 6 of the \"Adobe Type1 Font Format\" specification.\n * The value in a byte indicates a command, a number, or subsequent bytes\n * that are to be interpreted in a special way.\n *\n * CharString Number Encoding:\n *  A CharString byte containing the values from 32 through 255 inclusive\n *  indicate an integer. These values are decoded in four ranges.\n *\n * 1. A CharString byte containing a value, v, between 32 and 246 inclusive,\n * indicate the integer v - 139. Thus, the integer values from -107 through\n * 107 inclusive may be encoded in single byte.\n *\n * 2. A CharString byte containing a value, v, between 247 and 250 inclusive,\n * indicates an integer involving the next byte, w, according to the formula:\n * [(v - 247) x 256] + w + 108\n *\n * 3. A CharString byte containing a value, v, between 251 and 254 inclusive,\n * indicates an integer involving the next byte, w, according to the formula:\n * -[(v - 251) * 256] - w - 108\n *\n * 4. A CharString containing the value 255 indicates that the next 4 bytes\n * are a two complement signed integer. The first of these bytes contains the\n * highest order bits, the second byte contains the next higher order bits\n * and the fourth byte contain the lowest order bits.\n *\n *\n * CharString Command Encoding:\n *  CharStrings commands are encoded in 1 or 2 bytes.\n *\n *  Single byte commands are encoded in 1 byte that contains a value between\n *  0 and 31 inclusive.\n *  If a command byte contains the value 12, then the value in the next byte\n *  indicates a command. This \"escape\" mechanism allows many extra commands\n * to be encoded and this encoding technique helps to minimize the length of\n * the charStrings.\n */\nvar Type1CharString = (function Type1CharStringClosure() {\n  var COMMAND_MAP = {\n    hstem: [1],\n    vstem: [3],\n    vmoveto: [4],\n    rlineto: [5],\n    hlineto: [6],\n    vlineto: [7],\n    rrcurveto: [8],\n    callsubr: [10],\n    flex: [12, 35],\n    drop: [12, 18],\n    endchar: [14],\n    rmoveto: [21],\n    hmoveto: [22],\n    vhcurveto: [30],\n    hvcurveto: [31],\n  };\n\n  // eslint-disable-next-line no-shadow\n  function Type1CharString() {\n    this.width = 0;\n    this.lsb = 0;\n    this.flexing = false;\n    this.output = [];\n    this.stack = [];\n  }\n\n  Type1CharString.prototype = {\n    convert: function Type1CharString_convert(\n      encoded,\n      subrs,\n      seacAnalysisEnabled\n    ) {\n      var count = encoded.length;\n      var error = false;\n      var wx, sbx, subrNumber;\n      for (var i = 0; i < count; i++) {\n        var value = encoded[i];\n        if (value < 32) {\n          if (value === 12) {\n            value = (value << 8) + encoded[++i];\n          }\n          switch (value) {\n            case 1: // hstem\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.hstem);\n              break;\n            case 3: // vstem\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.vstem);\n              break;\n            case 4: // vmoveto\n              if (this.flexing) {\n                if (this.stack.length < 1) {\n                  error = true;\n                  break;\n                }\n                // Add the dx for flex and but also swap the values so they are\n                // the right order.\n                var dy = this.stack.pop();\n                this.stack.push(0, dy);\n                break;\n              }\n              error = this.executeCommand(1, COMMAND_MAP.vmoveto);\n              break;\n            case 5: // rlineto\n              error = this.executeCommand(2, COMMAND_MAP.rlineto);\n              break;\n            case 6: // hlineto\n              error = this.executeCommand(1, COMMAND_MAP.hlineto);\n              break;\n            case 7: // vlineto\n              error = this.executeCommand(1, COMMAND_MAP.vlineto);\n              break;\n            case 8: // rrcurveto\n              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);\n              break;\n            case 9: // closepath\n              // closepath is a Type1 command that does not take argument and is\n              // useless in Type2 and it can simply be ignored.\n              this.stack = [];\n              break;\n            case 10: // callsubr\n              if (this.stack.length < 1) {\n                error = true;\n                break;\n              }\n              subrNumber = this.stack.pop();\n              if (!subrs[subrNumber]) {\n                error = true;\n                break;\n              }\n              error = this.convert(\n                subrs[subrNumber],\n                subrs,\n                seacAnalysisEnabled\n              );\n              break;\n            case 11: // return\n              return error;\n            case 13: // hsbw\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              // To convert to type2 we have to move the width value to the\n              // first part of the charstring and then use hmoveto with lsb.\n              wx = this.stack.pop();\n              sbx = this.stack.pop();\n              this.lsb = sbx;\n              this.width = wx;\n              this.stack.push(wx, sbx);\n              error = this.executeCommand(2, COMMAND_MAP.hmoveto);\n              break;\n            case 14: // endchar\n              this.output.push(COMMAND_MAP.endchar[0]);\n              break;\n            case 21: // rmoveto\n              if (this.flexing) {\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.rmoveto);\n              break;\n            case 22: // hmoveto\n              if (this.flexing) {\n                // Add the dy for flex.\n                this.stack.push(0);\n                break;\n              }\n              error = this.executeCommand(1, COMMAND_MAP.hmoveto);\n              break;\n            case 30: // vhcurveto\n              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);\n              break;\n            case 31: // hvcurveto\n              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);\n              break;\n            case (12 << 8) + 0: // dotsection\n              // dotsection is a Type1 command to specify some hinting feature\n              // for dots that do not take a parameter and it can safely be\n              // ignored for Type2.\n              this.stack = [];\n              break;\n            case (12 << 8) + 1: // vstem3\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              // [vh]stem3 are Type1 only and Type2 supports [vh]stem with\n              // multiple parameters, so instead of returning [vh]stem3 take a\n              // shortcut and return [vhstem] instead.\n              error = this.executeCommand(2, COMMAND_MAP.vstem);\n              break;\n            case (12 << 8) + 2: // hstem3\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              // See vstem3.\n              error = this.executeCommand(2, COMMAND_MAP.hstem);\n              break;\n            case (12 << 8) + 6: // seac\n              // seac is like type 2's special endchar but it doesn't use the\n              // first argument asb, so remove it.\n              if (seacAnalysisEnabled) {\n                const asb = this.stack[this.stack.length - 5];\n                this.seac = this.stack.splice(-4, 4);\n                this.seac[0] += this.lsb - asb;\n                error = this.executeCommand(0, COMMAND_MAP.endchar);\n              } else {\n                error = this.executeCommand(4, COMMAND_MAP.endchar);\n              }\n              break;\n            case (12 << 8) + 7: // sbw\n              if (this.stack.length < 4) {\n                error = true;\n                break;\n              }\n              // To convert to type2 we have to move the width value to the\n              // first part of the charstring and then use rmoveto with\n              // (dx, dy). The height argument will not be used for vmtx and\n              // vhea tables reconstruction -- ignoring it.\n              this.stack.pop(); // wy\n              wx = this.stack.pop();\n              var sby = this.stack.pop();\n              sbx = this.stack.pop();\n              this.lsb = sbx;\n              this.width = wx;\n              this.stack.push(wx, sbx, sby);\n              error = this.executeCommand(3, COMMAND_MAP.rmoveto);\n              break;\n            case (12 << 8) + 12: // div\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              var num2 = this.stack.pop();\n              var num1 = this.stack.pop();\n              this.stack.push(num1 / num2);\n              break;\n            case (12 << 8) + 16: // callothersubr\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              subrNumber = this.stack.pop();\n              var numArgs = this.stack.pop();\n              if (subrNumber === 0 && numArgs === 3) {\n                var flexArgs = this.stack.splice(this.stack.length - 17, 17);\n                this.stack.push(\n                  flexArgs[2] + flexArgs[0], // bcp1x + rpx\n                  flexArgs[3] + flexArgs[1], // bcp1y + rpy\n                  flexArgs[4], // bcp2x\n                  flexArgs[5], // bcp2y\n                  flexArgs[6], // p2x\n                  flexArgs[7], // p2y\n                  flexArgs[8], // bcp3x\n                  flexArgs[9], // bcp3y\n                  flexArgs[10], // bcp4x\n                  flexArgs[11], // bcp4y\n                  flexArgs[12], // p3x\n                  flexArgs[13], // p3y\n                  flexArgs[14] // flexDepth\n                  // 15 = finalx unused by flex\n                  // 16 = finaly unused by flex\n                );\n                error = this.executeCommand(13, COMMAND_MAP.flex, true);\n                this.flexing = false;\n                this.stack.push(flexArgs[15], flexArgs[16]);\n              } else if (subrNumber === 1 && numArgs === 0) {\n                this.flexing = true;\n              }\n              break;\n            case (12 << 8) + 17: // pop\n              // Ignore this since it is only used with othersubr.\n              break;\n            case (12 << 8) + 33: // setcurrentpoint\n              // Ignore for now.\n              this.stack = [];\n              break;\n            default:\n              warn('Unknown type 1 charstring command of \"' + value + '\"');\n              break;\n          }\n          if (error) {\n            break;\n          }\n          continue;\n        } else if (value <= 246) {\n          value = value - 139;\n        } else if (value <= 250) {\n          value = (value - 247) * 256 + encoded[++i] + 108;\n        } else if (value <= 254) {\n          value = -((value - 251) * 256) - encoded[++i] - 108;\n        } else {\n          value =\n            ((encoded[++i] & 0xff) << 24) |\n            ((encoded[++i] & 0xff) << 16) |\n            ((encoded[++i] & 0xff) << 8) |\n            ((encoded[++i] & 0xff) << 0);\n        }\n        this.stack.push(value);\n      }\n      return error;\n    },\n\n    executeCommand(howManyArgs, command, keepStack) {\n      var stackLength = this.stack.length;\n      if (howManyArgs > stackLength) {\n        return true;\n      }\n      var start = stackLength - howManyArgs;\n      for (var i = start; i < stackLength; i++) {\n        var value = this.stack[i];\n        if (Number.isInteger(value)) {\n          this.output.push(28, (value >> 8) & 0xff, value & 0xff);\n        } else {\n          // fixed point\n          value = (65536 * value) | 0;\n          this.output.push(\n            255,\n            (value >> 24) & 0xff,\n            (value >> 16) & 0xff,\n            (value >> 8) & 0xff,\n            value & 0xff\n          );\n        }\n      }\n      this.output.push.apply(this.output, command);\n      if (keepStack) {\n        this.stack.splice(start, howManyArgs);\n      } else {\n        this.stack.length = 0;\n      }\n      return false;\n    },\n  };\n\n  return Type1CharString;\n})();\n\n/*\n * Type1Parser encapsulate the needed code for parsing a Type1 font\n * program. Some of its logic depends on the Type2 charstrings\n * structure.\n * Note: this doesn't really parse the font since that would require evaluation\n * of PostScript, but it is possible in most cases to extract what we need\n * without a full parse.\n */\nvar Type1Parser = (function Type1ParserClosure() {\n  /*\n   * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence\n   * of Plaintext Bytes. The function took a key as a parameter which can be\n   * for decrypting the eexec block of for decoding charStrings.\n   */\n  var EEXEC_ENCRYPT_KEY = 55665;\n  var CHAR_STRS_ENCRYPT_KEY = 4330;\n\n  function isHexDigit(code) {\n    return (\n      (code >= 48 && code <= 57) || // '0'-'9'\n      (code >= 65 && code <= 70) || // 'A'-'F'\n      (code >= 97 && code <= 102) // 'a'-'f'\n    );\n  }\n\n  function decrypt(data, key, discardNumber) {\n    if (discardNumber >= data.length) {\n      return new Uint8Array(0);\n    }\n    var r = key | 0,\n      c1 = 52845,\n      c2 = 22719,\n      i,\n      j;\n    for (i = 0; i < discardNumber; i++) {\n      r = ((data[i] + r) * c1 + c2) & ((1 << 16) - 1);\n    }\n    var count = data.length - discardNumber;\n    var decrypted = new Uint8Array(count);\n    for (i = discardNumber, j = 0; j < count; i++, j++) {\n      var value = data[i];\n      decrypted[j] = value ^ (r >> 8);\n      r = ((value + r) * c1 + c2) & ((1 << 16) - 1);\n    }\n    return decrypted;\n  }\n\n  function decryptAscii(data, key, discardNumber) {\n    var r = key | 0,\n      c1 = 52845,\n      c2 = 22719;\n    var count = data.length,\n      maybeLength = count >>> 1;\n    var decrypted = new Uint8Array(maybeLength);\n    var i, j;\n    for (i = 0, j = 0; i < count; i++) {\n      var digit1 = data[i];\n      if (!isHexDigit(digit1)) {\n        continue;\n      }\n      i++;\n      var digit2;\n      while (i < count && !isHexDigit((digit2 = data[i]))) {\n        i++;\n      }\n      if (i < count) {\n        var value = parseInt(String.fromCharCode(digit1, digit2), 16);\n        decrypted[j++] = value ^ (r >> 8);\n        r = ((value + r) * c1 + c2) & ((1 << 16) - 1);\n      }\n    }\n    return decrypted.slice(discardNumber, j);\n  }\n\n  function isSpecial(c) {\n    return (\n      c === /* '/' = */ 0x2f ||\n      c === /* '[' = */ 0x5b ||\n      c === /* ']' = */ 0x5d ||\n      c === /* '{' = */ 0x7b ||\n      c === /* '}' = */ 0x7d ||\n      c === /* '(' = */ 0x28 ||\n      c === /* ')' = */ 0x29\n    );\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {\n    if (encrypted) {\n      var data = stream.getBytes();\n      var isBinary = !(\n        (isHexDigit(data[0]) || isWhiteSpace(data[0])) &&\n        isHexDigit(data[1]) &&\n        isHexDigit(data[2]) &&\n        isHexDigit(data[3]) &&\n        isHexDigit(data[4]) &&\n        isHexDigit(data[5]) &&\n        isHexDigit(data[6]) &&\n        isHexDigit(data[7])\n      );\n      stream = new Stream(\n        isBinary\n          ? decrypt(data, EEXEC_ENCRYPT_KEY, 4)\n          : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)\n      );\n    }\n    this.seacAnalysisEnabled = !!seacAnalysisEnabled;\n\n    this.stream = stream;\n    this.nextChar();\n  }\n\n  Type1Parser.prototype = {\n    readNumberArray: function Type1Parser_readNumberArray() {\n      this.getToken(); // read '[' or '{' (arrays can start with either)\n      var array = [];\n      while (true) {\n        var token = this.getToken();\n        if (token === null || token === \"]\" || token === \"}\") {\n          break;\n        }\n        array.push(parseFloat(token || 0));\n      }\n      return array;\n    },\n\n    readNumber: function Type1Parser_readNumber() {\n      var token = this.getToken();\n      return parseFloat(token || 0);\n    },\n\n    readInt: function Type1Parser_readInt() {\n      // Use '| 0' to prevent setting a double into length such as the double\n      // does not flow into the loop variable.\n      var token = this.getToken();\n      return parseInt(token || 0, 10) | 0;\n    },\n\n    readBoolean: function Type1Parser_readBoolean() {\n      var token = this.getToken();\n\n      // Use 1 and 0 since that's what type2 charstrings use.\n      return token === \"true\" ? 1 : 0;\n    },\n\n    nextChar: function Type1_nextChar() {\n      return (this.currentChar = this.stream.getByte());\n    },\n\n    getToken: function Type1Parser_getToken() {\n      // Eat whitespace and comments.\n      var comment = false;\n      var ch = this.currentChar;\n      while (true) {\n        if (ch === -1) {\n          return null;\n        }\n\n        if (comment) {\n          if (ch === 0x0a || ch === 0x0d) {\n            comment = false;\n          }\n        } else if (ch === /* '%' = */ 0x25) {\n          comment = true;\n        } else if (!isWhiteSpace(ch)) {\n          break;\n        }\n        ch = this.nextChar();\n      }\n      if (isSpecial(ch)) {\n        this.nextChar();\n        return String.fromCharCode(ch);\n      }\n      var token = \"\";\n      do {\n        token += String.fromCharCode(ch);\n        ch = this.nextChar();\n      } while (ch >= 0 && !isWhiteSpace(ch) && !isSpecial(ch));\n      return token;\n    },\n\n    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {\n      if (lenIV === -1) {\n        // This isn't in the spec, but Adobe's tx program handles -1\n        // as plain text.\n        return bytes;\n      }\n      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);\n    },\n\n    /*\n     * Returns an object containing a Subrs array and a CharStrings\n     * array extracted from and eexec encrypted block of data\n     */\n    extractFontProgram: function Type1Parser_extractFontProgram(properties) {\n      var stream = this.stream;\n\n      var subrs = [],\n        charstrings = [];\n      var privateData = Object.create(null);\n      privateData.lenIV = 4;\n      var program = {\n        subrs: [],\n        charstrings: [],\n        properties: {\n          privateData,\n        },\n      };\n      var token, length, data, lenIV, encoded;\n      while ((token = this.getToken()) !== null) {\n        if (token !== \"/\") {\n          continue;\n        }\n        token = this.getToken();\n        switch (token) {\n          case \"CharStrings\":\n            // The number immediately following CharStrings must be greater or\n            // equal to the number of CharStrings.\n            this.getToken();\n            this.getToken(); // read in 'dict'\n            this.getToken(); // read in 'dup'\n            this.getToken(); // read in 'begin'\n            while (true) {\n              token = this.getToken();\n              if (token === null || token === \"end\") {\n                break;\n              }\n\n              if (token !== \"/\") {\n                continue;\n              }\n              var glyph = this.getToken();\n              length = this.readInt();\n              this.getToken(); // read in 'RD' or '-|'\n              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);\n              lenIV = program.properties.privateData.lenIV;\n              encoded = this.readCharStrings(data, lenIV);\n              this.nextChar();\n              token = this.getToken(); // read in 'ND' or '|-'\n              if (token === \"noaccess\") {\n                this.getToken(); // read in 'def'\n              }\n              charstrings.push({\n                glyph,\n                encoded,\n              });\n            }\n            break;\n          case \"Subrs\":\n            this.readInt(); // num\n            this.getToken(); // read in 'array'\n            while (this.getToken() === \"dup\") {\n              const index = this.readInt();\n              length = this.readInt();\n              this.getToken(); // read in 'RD' or '-|'\n              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);\n              lenIV = program.properties.privateData.lenIV;\n              encoded = this.readCharStrings(data, lenIV);\n              this.nextChar();\n              token = this.getToken(); // read in 'NP' or '|'\n              if (token === \"noaccess\") {\n                this.getToken(); // read in 'put'\n              }\n              subrs[index] = encoded;\n            }\n            break;\n          case \"BlueValues\":\n          case \"OtherBlues\":\n          case \"FamilyBlues\":\n          case \"FamilyOtherBlues\":\n            var blueArray = this.readNumberArray();\n            // *Blue* values may contain invalid data: disables reading of\n            // those values when hinting is disabled.\n            if (\n              blueArray.length > 0 &&\n              blueArray.length % 2 === 0 &&\n              HINTING_ENABLED\n            ) {\n              program.properties.privateData[token] = blueArray;\n            }\n            break;\n          case \"StemSnapH\":\n          case \"StemSnapV\":\n            program.properties.privateData[token] = this.readNumberArray();\n            break;\n          case \"StdHW\":\n          case \"StdVW\":\n            program.properties.privateData[token] = this.readNumberArray()[0];\n            break;\n          case \"BlueShift\":\n          case \"lenIV\":\n          case \"BlueFuzz\":\n          case \"BlueScale\":\n          case \"LanguageGroup\":\n          case \"ExpansionFactor\":\n            program.properties.privateData[token] = this.readNumber();\n            break;\n          case \"ForceBold\":\n            program.properties.privateData[token] = this.readBoolean();\n            break;\n        }\n      }\n\n      for (var i = 0; i < charstrings.length; i++) {\n        glyph = charstrings[i].glyph;\n        encoded = charstrings[i].encoded;\n        var charString = new Type1CharString();\n        var error = charString.convert(\n          encoded,\n          subrs,\n          this.seacAnalysisEnabled\n        );\n        var output = charString.output;\n        if (error) {\n          // It seems when FreeType encounters an error while evaluating a glyph\n          // that it completely ignores the glyph so we'll mimic that behaviour\n          // here and put an endchar to make the validator happy.\n          output = [14];\n        }\n        const charStringObject = {\n          glyphName: glyph,\n          charstring: output,\n          width: charString.width,\n          lsb: charString.lsb,\n          seac: charString.seac,\n        };\n        if (glyph === \".notdef\") {\n          // Make sure .notdef is at index zero (issue #11477).\n          program.charstrings.unshift(charStringObject);\n        } else {\n          program.charstrings.push(charStringObject);\n        }\n\n        // Attempt to replace missing widths, from the font dictionary /Widths\n        // entry, with ones from the font data (fixes issue11150_reduced.pdf).\n        if (properties.builtInEncoding) {\n          const index = properties.builtInEncoding.indexOf(glyph);\n          if (\n            index > -1 &&\n            properties.widths[index] === undefined &&\n            index >= properties.firstChar &&\n            index <= properties.lastChar\n          ) {\n            properties.widths[index] = charString.width;\n          }\n        }\n      }\n\n      return program;\n    },\n\n    extractFontHeader: function Type1Parser_extractFontHeader(properties) {\n      var token;\n      while ((token = this.getToken()) !== null) {\n        if (token !== \"/\") {\n          continue;\n        }\n        token = this.getToken();\n        switch (token) {\n          case \"FontMatrix\":\n            var matrix = this.readNumberArray();\n            properties.fontMatrix = matrix;\n            break;\n          case \"Encoding\":\n            var encodingArg = this.getToken();\n            var encoding;\n            if (!/^\\d+$/.test(encodingArg)) {\n              // encoding name is specified\n              encoding = getEncoding(encodingArg);\n            } else {\n              encoding = [];\n              var size = parseInt(encodingArg, 10) | 0;\n              this.getToken(); // read in 'array'\n\n              for (var j = 0; j < size; j++) {\n                token = this.getToken();\n                // skipping till first dup or def (e.g. ignoring for statement)\n                while (token !== \"dup\" && token !== \"def\") {\n                  token = this.getToken();\n                  if (token === null) {\n                    return; // invalid header\n                  }\n                }\n                if (token === \"def\") {\n                  break; // read all array data\n                }\n                var index = this.readInt();\n                this.getToken(); // read in '/'\n                var glyph = this.getToken();\n                encoding[index] = glyph;\n                this.getToken(); // read the in 'put'\n              }\n            }\n            properties.builtInEncoding = encoding;\n            break;\n          case \"FontBBox\":\n            var fontBBox = this.readNumberArray();\n            // adjusting ascent/descent\n            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);\n            properties.descent = Math.min(fontBBox[1], fontBBox[3]);\n            properties.ascentScaled = true;\n            break;\n        }\n      }\n    },\n  };\n\n  return Type1Parser;\n})();\n\nexport { Type1Parser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  unreachable,\n  UNSUPPORTED_FEATURES,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { isStream } from \"./primitives.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\nvar ShadingType = {\n  FUNCTION_BASED: 1,\n  AXIAL: 2,\n  RADIAL: 3,\n  FREE_FORM_MESH: 4,\n  LATTICE_FORM_MESH: 5,\n  COONS_PATCH_MESH: 6,\n  TENSOR_PATCH_MESH: 7,\n};\n\nvar Pattern = (function PatternClosure() {\n  // Constructor should define this.getPattern\n  // eslint-disable-next-line no-shadow\n  function Pattern() {\n    unreachable(\"should not call Pattern constructor\");\n  }\n\n  Pattern.prototype = {\n    // Input: current Canvas context\n    // Output: the appropriate fillStyle or strokeStyle\n    getPattern: function Pattern_getPattern(ctx) {\n      unreachable(`Should not call Pattern.getStyle: ${ctx}`);\n    },\n  };\n\n  Pattern.parseShading = function (\n    shading,\n    matrix,\n    xref,\n    res,\n    handler,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    var dict = isStream(shading) ? shading.dict : shading;\n    var type = dict.get(\"ShadingType\");\n\n    try {\n      switch (type) {\n        case ShadingType.AXIAL:\n        case ShadingType.RADIAL:\n          // Both radial and axial shadings are handled by RadialAxial shading.\n          return new Shadings.RadialAxial(\n            dict,\n            matrix,\n            xref,\n            res,\n            pdfFunctionFactory,\n            localColorSpaceCache\n          );\n        case ShadingType.FREE_FORM_MESH:\n        case ShadingType.LATTICE_FORM_MESH:\n        case ShadingType.COONS_PATCH_MESH:\n        case ShadingType.TENSOR_PATCH_MESH:\n          return new Shadings.Mesh(\n            shading,\n            matrix,\n            xref,\n            res,\n            pdfFunctionFactory,\n            localColorSpaceCache\n          );\n        default:\n          throw new FormatError(\"Unsupported ShadingType: \" + type);\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.shadingPattern,\n      });\n      warn(ex);\n      return new Shadings.Dummy();\n    }\n  };\n  return Pattern;\n})();\n\nvar Shadings = {};\n\n// A small number to offset the first/last color stops so we can insert ones to\n// support extend. Number.MIN_VALUE is too small and breaks the extend.\nShadings.SMALL_NUMBER = 1e-6;\n\n// Radial and axial shading have very similar implementations\n// If needed, the implementations can be broken into two classes\nShadings.RadialAxial = (function RadialAxialClosure() {\n  function RadialAxial(\n    dict,\n    matrix,\n    xref,\n    resources,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    this.matrix = matrix;\n    this.coordsArr = dict.getArray(\"Coords\");\n    this.shadingType = dict.get(\"ShadingType\");\n    this.type = \"Pattern\";\n    const cs = ColorSpace.parse({\n      cs: dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\"),\n      xref,\n      resources,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n    this.cs = cs;\n    const bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      this.bbox = Util.normalizeRect(bbox);\n    } else {\n      this.bbox = null;\n    }\n\n    var t0 = 0.0,\n      t1 = 1.0;\n    if (dict.has(\"Domain\")) {\n      var domainArr = dict.getArray(\"Domain\");\n      t0 = domainArr[0];\n      t1 = domainArr[1];\n    }\n\n    var extendStart = false,\n      extendEnd = false;\n    if (dict.has(\"Extend\")) {\n      var extendArr = dict.getArray(\"Extend\");\n      extendStart = extendArr[0];\n      extendEnd = extendArr[1];\n    }\n\n    if (\n      this.shadingType === ShadingType.RADIAL &&\n      (!extendStart || !extendEnd)\n    ) {\n      // Radial gradient only currently works if either circle is fully within\n      // the other circle.\n      var x1 = this.coordsArr[0];\n      var y1 = this.coordsArr[1];\n      var r1 = this.coordsArr[2];\n      var x2 = this.coordsArr[3];\n      var y2 = this.coordsArr[4];\n      var r2 = this.coordsArr[5];\n      var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));\n      if (r1 <= r2 + distance && r2 <= r1 + distance) {\n        warn(\"Unsupported radial gradient.\");\n      }\n    }\n\n    this.extendStart = extendStart;\n    this.extendEnd = extendEnd;\n\n    var fnObj = dict.getRaw(\"Function\");\n    var fn = pdfFunctionFactory.createFromArray(fnObj);\n\n    // 10 samples seems good enough for now, but probably won't work\n    // if there are sharp color changes. Ideally, we would implement\n    // the spec faithfully and add lossless optimizations.\n    const NUMBER_OF_SAMPLES = 10;\n    const step = (t1 - t0) / NUMBER_OF_SAMPLES;\n\n    var colorStops = (this.colorStops = []);\n\n    // Protect against bad domains.\n    if (t0 >= t1 || step <= 0) {\n      // Acrobat doesn't seem to handle these cases so we'll ignore for\n      // now.\n      info(\"Bad shading domain.\");\n      return;\n    }\n\n    var color = new Float32Array(cs.numComps),\n      ratio = new Float32Array(1);\n    var rgbColor;\n    for (let i = 0; i <= NUMBER_OF_SAMPLES; i++) {\n      ratio[0] = t0 + i * step;\n      fn(ratio, 0, color, 0);\n      rgbColor = cs.getRgb(color, 0);\n      var cssColor = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);\n      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);\n    }\n\n    var background = \"transparent\";\n    if (dict.has(\"Background\")) {\n      rgbColor = cs.getRgb(dict.get(\"Background\"), 0);\n      background = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);\n    }\n\n    if (!extendStart) {\n      // Insert a color stop at the front and offset the first real color stop\n      // so it doesn't conflict with the one we insert.\n      colorStops.unshift([0, background]);\n      colorStops[1][0] += Shadings.SMALL_NUMBER;\n    }\n    if (!extendEnd) {\n      // Same idea as above in extendStart but for the end.\n      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;\n      colorStops.push([1, background]);\n    }\n\n    this.colorStops = colorStops;\n  }\n\n  RadialAxial.prototype = {\n    getIR: function RadialAxial_getIR() {\n      var coordsArr = this.coordsArr;\n      var shadingType = this.shadingType;\n      var type, p0, p1, r0, r1;\n      if (shadingType === ShadingType.AXIAL) {\n        p0 = [coordsArr[0], coordsArr[1]];\n        p1 = [coordsArr[2], coordsArr[3]];\n        r0 = null;\n        r1 = null;\n        type = \"axial\";\n      } else if (shadingType === ShadingType.RADIAL) {\n        p0 = [coordsArr[0], coordsArr[1]];\n        p1 = [coordsArr[3], coordsArr[4]];\n        r0 = coordsArr[2];\n        r1 = coordsArr[5];\n        type = \"radial\";\n      } else {\n        unreachable(`getPattern type unknown: ${shadingType}`);\n      }\n\n      var matrix = this.matrix;\n      if (matrix) {\n        p0 = Util.applyTransform(p0, matrix);\n        p1 = Util.applyTransform(p1, matrix);\n        if (shadingType === ShadingType.RADIAL) {\n          var scale = Util.singularValueDecompose2dScale(matrix);\n          r0 *= scale[0];\n          r1 *= scale[1];\n        }\n      }\n\n      return [\"RadialAxial\", type, this.bbox, this.colorStops, p0, p1, r0, r1];\n    },\n  };\n\n  return RadialAxial;\n})();\n\n// All mesh shading. For now, they will be presented as set of the triangles\n// to be drawn on the canvas and rgb color for each vertex.\nShadings.Mesh = (function MeshClosure() {\n  function MeshStreamReader(stream, context) {\n    this.stream = stream;\n    this.context = context;\n    this.buffer = 0;\n    this.bufferLength = 0;\n\n    var numComps = context.numComps;\n    this.tmpCompsBuf = new Float32Array(numComps);\n    var csNumComps = context.colorSpace.numComps;\n    this.tmpCsCompsBuf = context.colorFn\n      ? new Float32Array(csNumComps)\n      : this.tmpCompsBuf;\n  }\n  MeshStreamReader.prototype = {\n    get hasData() {\n      if (this.stream.end) {\n        return this.stream.pos < this.stream.end;\n      }\n      if (this.bufferLength > 0) {\n        return true;\n      }\n      var nextByte = this.stream.getByte();\n      if (nextByte < 0) {\n        return false;\n      }\n      this.buffer = nextByte;\n      this.bufferLength = 8;\n      return true;\n    },\n    readBits: function MeshStreamReader_readBits(n) {\n      var buffer = this.buffer;\n      var bufferLength = this.bufferLength;\n      if (n === 32) {\n        if (bufferLength === 0) {\n          return (\n            ((this.stream.getByte() << 24) |\n              (this.stream.getByte() << 16) |\n              (this.stream.getByte() << 8) |\n              this.stream.getByte()) >>>\n            0\n          );\n        }\n        buffer =\n          (buffer << 24) |\n          (this.stream.getByte() << 16) |\n          (this.stream.getByte() << 8) |\n          this.stream.getByte();\n        var nextByte = this.stream.getByte();\n        this.buffer = nextByte & ((1 << bufferLength) - 1);\n        return (\n          ((buffer << (8 - bufferLength)) |\n            ((nextByte & 0xff) >> bufferLength)) >>>\n          0\n        );\n      }\n      if (n === 8 && bufferLength === 0) {\n        return this.stream.getByte();\n      }\n      while (bufferLength < n) {\n        buffer = (buffer << 8) | this.stream.getByte();\n        bufferLength += 8;\n      }\n      bufferLength -= n;\n      this.bufferLength = bufferLength;\n      this.buffer = buffer & ((1 << bufferLength) - 1);\n      return buffer >> bufferLength;\n    },\n    align: function MeshStreamReader_align() {\n      this.buffer = 0;\n      this.bufferLength = 0;\n    },\n    readFlag: function MeshStreamReader_readFlag() {\n      return this.readBits(this.context.bitsPerFlag);\n    },\n    readCoordinate: function MeshStreamReader_readCoordinate() {\n      var bitsPerCoordinate = this.context.bitsPerCoordinate;\n      var xi = this.readBits(bitsPerCoordinate);\n      var yi = this.readBits(bitsPerCoordinate);\n      var decode = this.context.decode;\n      var scale =\n        bitsPerCoordinate < 32\n          ? 1 / ((1 << bitsPerCoordinate) - 1)\n          : 2.3283064365386963e-10; // 2 ^ -32\n      return [\n        xi * scale * (decode[1] - decode[0]) + decode[0],\n        yi * scale * (decode[3] - decode[2]) + decode[2],\n      ];\n    },\n    readComponents: function MeshStreamReader_readComponents() {\n      var numComps = this.context.numComps;\n      var bitsPerComponent = this.context.bitsPerComponent;\n      var scale =\n        bitsPerComponent < 32\n          ? 1 / ((1 << bitsPerComponent) - 1)\n          : 2.3283064365386963e-10; // 2 ^ -32\n      var decode = this.context.decode;\n      var components = this.tmpCompsBuf;\n      for (var i = 0, j = 4; i < numComps; i++, j += 2) {\n        var ci = this.readBits(bitsPerComponent);\n        components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j];\n      }\n      var color = this.tmpCsCompsBuf;\n      if (this.context.colorFn) {\n        this.context.colorFn(components, 0, color, 0);\n      }\n      return this.context.colorSpace.getRgb(color, 0);\n    },\n  };\n\n  function decodeType4Shading(mesh, reader) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var operators = [];\n    var ps = []; // not maintaining cs since that will match ps\n    var verticesLeft = 0; // assuming we have all data to start a new triangle\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      var coord = reader.readCoordinate();\n      var color = reader.readComponents();\n      if (verticesLeft === 0) {\n        // ignoring flags if we started a triangle\n        if (!(0 <= f && f <= 2)) {\n          throw new FormatError(\"Unknown type4 flag\");\n        }\n        switch (f) {\n          case 0:\n            verticesLeft = 3;\n            break;\n          case 1:\n            ps.push(ps[ps.length - 2], ps[ps.length - 1]);\n            verticesLeft = 1;\n            break;\n          case 2:\n            ps.push(ps[ps.length - 3], ps[ps.length - 1]);\n            verticesLeft = 1;\n            break;\n        }\n        operators.push(f);\n      }\n      ps.push(coords.length);\n      coords.push(coord);\n      colors.push(color);\n      verticesLeft--;\n\n      reader.align();\n    }\n    mesh.figures.push({\n      type: \"triangles\",\n      coords: new Int32Array(ps),\n      colors: new Int32Array(ps),\n    });\n  }\n\n  function decodeType5Shading(mesh, reader, verticesPerRow) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = []; // not maintaining cs since that will match ps\n    while (reader.hasData) {\n      var coord = reader.readCoordinate();\n      var color = reader.readComponents();\n      ps.push(coords.length);\n      coords.push(coord);\n      colors.push(color);\n    }\n    mesh.figures.push({\n      type: \"lattice\",\n      coords: new Int32Array(ps),\n      colors: new Int32Array(ps),\n      verticesPerRow,\n    });\n  }\n\n  var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3;\n  var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20;\n\n  var TRIANGLE_DENSITY = 20; // count of triangles per entire mesh bounds\n\n  var getB = (function getBClosure() {\n    function buildB(count) {\n      var lut = [];\n      for (var i = 0; i <= count; i++) {\n        var t = i / count,\n          t_ = 1 - t;\n        lut.push(\n          new Float32Array([\n            t_ * t_ * t_,\n            3 * t * t_ * t_,\n            3 * t * t * t_,\n            t * t * t,\n          ])\n        );\n      }\n      return lut;\n    }\n    var cache = [];\n\n    // eslint-disable-next-line no-shadow\n    return function getB(count) {\n      if (!cache[count]) {\n        cache[count] = buildB(count);\n      }\n      return cache[count];\n    };\n  })();\n\n  function buildFigureFromPatch(mesh, index) {\n    var figure = mesh.figures[index];\n    assert(figure.type === \"patch\", \"Unexpected patch mesh figure\");\n\n    var coords = mesh.coords,\n      colors = mesh.colors;\n    var pi = figure.coords;\n    var ci = figure.colors;\n\n    var figureMinX = Math.min(\n      coords[pi[0]][0],\n      coords[pi[3]][0],\n      coords[pi[12]][0],\n      coords[pi[15]][0]\n    );\n    var figureMinY = Math.min(\n      coords[pi[0]][1],\n      coords[pi[3]][1],\n      coords[pi[12]][1],\n      coords[pi[15]][1]\n    );\n    var figureMaxX = Math.max(\n      coords[pi[0]][0],\n      coords[pi[3]][0],\n      coords[pi[12]][0],\n      coords[pi[15]][0]\n    );\n    var figureMaxY = Math.max(\n      coords[pi[0]][1],\n      coords[pi[3]][1],\n      coords[pi[12]][1],\n      coords[pi[15]][1]\n    );\n    var splitXBy = Math.ceil(\n      ((figureMaxX - figureMinX) * TRIANGLE_DENSITY) /\n        (mesh.bounds[2] - mesh.bounds[0])\n    );\n    splitXBy = Math.max(\n      MIN_SPLIT_PATCH_CHUNKS_AMOUNT,\n      Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)\n    );\n    var splitYBy = Math.ceil(\n      ((figureMaxY - figureMinY) * TRIANGLE_DENSITY) /\n        (mesh.bounds[3] - mesh.bounds[1])\n    );\n    splitYBy = Math.max(\n      MIN_SPLIT_PATCH_CHUNKS_AMOUNT,\n      Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)\n    );\n\n    var verticesPerRow = splitXBy + 1;\n    var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow);\n    var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow);\n    var k = 0;\n    var cl = new Uint8Array(3),\n      cr = new Uint8Array(3);\n    var c0 = colors[ci[0]],\n      c1 = colors[ci[1]],\n      c2 = colors[ci[2]],\n      c3 = colors[ci[3]];\n    var bRow = getB(splitYBy),\n      bCol = getB(splitXBy);\n    for (var row = 0; row <= splitYBy; row++) {\n      cl[0] = ((c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy) | 0;\n      cl[1] = ((c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy) | 0;\n      cl[2] = ((c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy) | 0;\n\n      cr[0] = ((c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy) | 0;\n      cr[1] = ((c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy) | 0;\n      cr[2] = ((c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy) | 0;\n\n      for (var col = 0; col <= splitXBy; col++, k++) {\n        if (\n          (row === 0 || row === splitYBy) &&\n          (col === 0 || col === splitXBy)\n        ) {\n          continue;\n        }\n        var x = 0,\n          y = 0;\n        var q = 0;\n        for (var i = 0; i <= 3; i++) {\n          for (var j = 0; j <= 3; j++, q++) {\n            var m = bRow[row][i] * bCol[col][j];\n            x += coords[pi[q]][0] * m;\n            y += coords[pi[q]][1] * m;\n          }\n        }\n        figureCoords[k] = coords.length;\n        coords.push([x, y]);\n        figureColors[k] = colors.length;\n        var newColor = new Uint8Array(3);\n        newColor[0] = ((cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy) | 0;\n        newColor[1] = ((cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy) | 0;\n        newColor[2] = ((cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy) | 0;\n        colors.push(newColor);\n      }\n    }\n    figureCoords[0] = pi[0];\n    figureColors[0] = ci[0];\n    figureCoords[splitXBy] = pi[3];\n    figureColors[splitXBy] = ci[1];\n    figureCoords[verticesPerRow * splitYBy] = pi[12];\n    figureColors[verticesPerRow * splitYBy] = ci[2];\n    figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15];\n    figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3];\n\n    mesh.figures[index] = {\n      type: \"lattice\",\n      coords: figureCoords,\n      colors: figureColors,\n      verticesPerRow,\n    };\n  }\n\n  function decodeType6Shading(mesh, reader) {\n    // A special case of Type 7. The p11, p12, p21, p22 automatically filled\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33\n    var cs = new Int32Array(4); // c00, c30, c03, c33\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      if (!(0 <= f && f <= 3)) {\n        throw new FormatError(\"Unknown type6 flag\");\n      }\n      var i, ii;\n      var pi = coords.length;\n      for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) {\n        coords.push(reader.readCoordinate());\n      }\n      var ci = colors.length;\n      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {\n        colors.push(reader.readComponents());\n      }\n      var tmp1, tmp2, tmp3, tmp4;\n      switch (f) {\n        // prettier-ignore\n        case 0:\n          ps[12] = pi + 3; ps[13] = pi + 4;  ps[14] = pi + 5;  ps[15] = pi + 6;\n          ps[ 8] = pi + 2; /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 7;\n          ps[ 4] = pi + 1; /* calculated below              */ ps[ 7] = pi + 8;\n          ps[ 0] = pi;     ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9;\n          cs[2] = ci + 1; cs[3] = ci + 2;\n          cs[0] = ci;     cs[1] = ci + 3;\n          break;\n        // prettier-ignore\n        case 1:\n          tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15];\n          ps[12] = tmp4; ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = tmp3; /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = tmp2; /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = tmp1; ps[ 1] = pi + 7;   ps[ 2] = pi + 6; ps[ 3] = pi + 5;\n          tmp1 = cs[2]; tmp2 = cs[3];\n          cs[2] = tmp2;   cs[3] = ci;\n          cs[0] = tmp1;   cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 2:\n          tmp1 = ps[15];\n          tmp2 = ps[11];\n          ps[12] = ps[3];  ps[13] = pi + 0; ps[14] = pi + 1;   ps[15] = pi + 2;\n          ps[ 8] = ps[7];  /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = tmp2;   /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;  ps[ 1] = pi + 7;   ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[3];\n          cs[2] = cs[1]; cs[3] = ci;\n          cs[0] = tmp1;  cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 3:\n          ps[12] = ps[0];  ps[13] = pi + 0;   ps[14] = pi + 1; ps[15] = pi + 2;\n          ps[ 8] = ps[1];  /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = ps[2];  /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = ps[3];  ps[ 1] = pi + 7;   ps[ 2] = pi + 6; ps[ 3] = pi + 5;\n          cs[2] = cs[0]; cs[3] = ci;\n          cs[0] = cs[1]; cs[1] = ci + 1;\n          break;\n      }\n      // set p11, p12, p21, p22\n      ps[5] = coords.length;\n      coords.push([\n        (-4 * coords[ps[0]][0] -\n          coords[ps[15]][0] +\n          6 * (coords[ps[4]][0] + coords[ps[1]][0]) -\n          2 * (coords[ps[12]][0] + coords[ps[3]][0]) +\n          3 * (coords[ps[13]][0] + coords[ps[7]][0])) /\n          9,\n        (-4 * coords[ps[0]][1] -\n          coords[ps[15]][1] +\n          6 * (coords[ps[4]][1] + coords[ps[1]][1]) -\n          2 * (coords[ps[12]][1] + coords[ps[3]][1]) +\n          3 * (coords[ps[13]][1] + coords[ps[7]][1])) /\n          9,\n      ]);\n      ps[6] = coords.length;\n      coords.push([\n        (-4 * coords[ps[3]][0] -\n          coords[ps[12]][0] +\n          6 * (coords[ps[2]][0] + coords[ps[7]][0]) -\n          2 * (coords[ps[0]][0] + coords[ps[15]][0]) +\n          3 * (coords[ps[4]][0] + coords[ps[14]][0])) /\n          9,\n        (-4 * coords[ps[3]][1] -\n          coords[ps[12]][1] +\n          6 * (coords[ps[2]][1] + coords[ps[7]][1]) -\n          2 * (coords[ps[0]][1] + coords[ps[15]][1]) +\n          3 * (coords[ps[4]][1] + coords[ps[14]][1])) /\n          9,\n      ]);\n      ps[9] = coords.length;\n      coords.push([\n        (-4 * coords[ps[12]][0] -\n          coords[ps[3]][0] +\n          6 * (coords[ps[8]][0] + coords[ps[13]][0]) -\n          2 * (coords[ps[0]][0] + coords[ps[15]][0]) +\n          3 * (coords[ps[11]][0] + coords[ps[1]][0])) /\n          9,\n        (-4 * coords[ps[12]][1] -\n          coords[ps[3]][1] +\n          6 * (coords[ps[8]][1] + coords[ps[13]][1]) -\n          2 * (coords[ps[0]][1] + coords[ps[15]][1]) +\n          3 * (coords[ps[11]][1] + coords[ps[1]][1])) /\n          9,\n      ]);\n      ps[10] = coords.length;\n      coords.push([\n        (-4 * coords[ps[15]][0] -\n          coords[ps[0]][0] +\n          6 * (coords[ps[11]][0] + coords[ps[14]][0]) -\n          2 * (coords[ps[12]][0] + coords[ps[3]][0]) +\n          3 * (coords[ps[2]][0] + coords[ps[8]][0])) /\n          9,\n        (-4 * coords[ps[15]][1] -\n          coords[ps[0]][1] +\n          6 * (coords[ps[11]][1] + coords[ps[14]][1]) -\n          2 * (coords[ps[12]][1] + coords[ps[3]][1]) +\n          3 * (coords[ps[2]][1] + coords[ps[8]][1])) /\n          9,\n      ]);\n      mesh.figures.push({\n        type: \"patch\",\n        coords: new Int32Array(ps), // making copies of ps and cs\n        colors: new Int32Array(cs),\n      });\n    }\n  }\n\n  function decodeType7Shading(mesh, reader) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33\n    var cs = new Int32Array(4); // c00, c30, c03, c33\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      if (!(0 <= f && f <= 3)) {\n        throw new FormatError(\"Unknown type7 flag\");\n      }\n      var i, ii;\n      var pi = coords.length;\n      for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) {\n        coords.push(reader.readCoordinate());\n      }\n      var ci = colors.length;\n      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {\n        colors.push(reader.readComponents());\n      }\n      var tmp1, tmp2, tmp3, tmp4;\n      switch (f) {\n        // prettier-ignore\n        case 0:\n          ps[12] = pi + 3; ps[13] = pi + 4;  ps[14] = pi + 5;  ps[15] = pi + 6;\n          ps[ 8] = pi + 2; ps[ 9] = pi + 13; ps[10] = pi + 14; ps[11] = pi + 7;\n          ps[ 4] = pi + 1; ps[ 5] = pi + 12; ps[ 6] = pi + 15; ps[ 7] = pi + 8;\n          ps[ 0] = pi;     ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9;\n          cs[2] = ci + 1; cs[3] = ci + 2;\n          cs[0] = ci;     cs[1] = ci + 3;\n          break;\n        // prettier-ignore\n        case 1:\n          tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15];\n          ps[12] = tmp4;   ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = tmp3;   ps[ 9] = pi + 9;  ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = tmp2;   ps[ 5] = pi + 8;  ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;   ps[ 1] = pi + 7;  ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[2]; tmp2 = cs[3];\n          cs[2] = tmp2;   cs[3] = ci;\n          cs[0] = tmp1;   cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 2:\n          tmp1 = ps[15];\n          tmp2 = ps[11];\n          ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = ps[7]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = tmp2;  ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;  ps[ 1] = pi + 7; ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[3];\n          cs[2] = cs[1]; cs[3] = ci;\n          cs[0] = tmp1;  cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 3:\n          ps[12] = ps[0];  ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = ps[1];  ps[ 9] = pi + 9;  ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = ps[2];  ps[ 5] = pi + 8;  ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = ps[3];  ps[ 1] = pi + 7;  ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          cs[2] = cs[0]; cs[3] = ci;\n          cs[0] = cs[1]; cs[1] = ci + 1;\n          break;\n      }\n      mesh.figures.push({\n        type: \"patch\",\n        coords: new Int32Array(ps), // making copies of ps and cs\n        colors: new Int32Array(cs),\n      });\n    }\n  }\n\n  function updateBounds(mesh) {\n    var minX = mesh.coords[0][0],\n      minY = mesh.coords[0][1],\n      maxX = minX,\n      maxY = minY;\n    for (var i = 1, ii = mesh.coords.length; i < ii; i++) {\n      var x = mesh.coords[i][0],\n        y = mesh.coords[i][1];\n      minX = minX > x ? x : minX;\n      minY = minY > y ? y : minY;\n      maxX = maxX < x ? x : maxX;\n      maxY = maxY < y ? y : maxY;\n    }\n    mesh.bounds = [minX, minY, maxX, maxY];\n  }\n\n  function packData(mesh) {\n    var i, ii, j, jj;\n\n    var coords = mesh.coords;\n    var coordsPacked = new Float32Array(coords.length * 2);\n    for (i = 0, j = 0, ii = coords.length; i < ii; i++) {\n      var xy = coords[i];\n      coordsPacked[j++] = xy[0];\n      coordsPacked[j++] = xy[1];\n    }\n    mesh.coords = coordsPacked;\n\n    var colors = mesh.colors;\n    var colorsPacked = new Uint8Array(colors.length * 3);\n    for (i = 0, j = 0, ii = colors.length; i < ii; i++) {\n      var c = colors[i];\n      colorsPacked[j++] = c[0];\n      colorsPacked[j++] = c[1];\n      colorsPacked[j++] = c[2];\n    }\n    mesh.colors = colorsPacked;\n\n    var figures = mesh.figures;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      var figure = figures[i],\n        ps = figure.coords,\n        cs = figure.colors;\n      for (j = 0, jj = ps.length; j < jj; j++) {\n        ps[j] *= 2;\n        cs[j] *= 3;\n      }\n    }\n  }\n\n  function Mesh(\n    stream,\n    matrix,\n    xref,\n    resources,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    if (!isStream(stream)) {\n      throw new FormatError(\"Mesh data is not a stream\");\n    }\n    var dict = stream.dict;\n    this.matrix = matrix;\n    this.shadingType = dict.get(\"ShadingType\");\n    this.type = \"Pattern\";\n    const bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      this.bbox = Util.normalizeRect(bbox);\n    } else {\n      this.bbox = null;\n    }\n    const cs = ColorSpace.parse({\n      cs: dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\"),\n      xref,\n      resources,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n    this.cs = cs;\n    this.background = dict.has(\"Background\")\n      ? cs.getRgb(dict.get(\"Background\"), 0)\n      : null;\n\n    var fnObj = dict.getRaw(\"Function\");\n    var fn = fnObj ? pdfFunctionFactory.createFromArray(fnObj) : null;\n\n    this.coords = [];\n    this.colors = [];\n    this.figures = [];\n\n    var decodeContext = {\n      bitsPerCoordinate: dict.get(\"BitsPerCoordinate\"),\n      bitsPerComponent: dict.get(\"BitsPerComponent\"),\n      bitsPerFlag: dict.get(\"BitsPerFlag\"),\n      decode: dict.getArray(\"Decode\"),\n      colorFn: fn,\n      colorSpace: cs,\n      numComps: fn ? 1 : cs.numComps,\n    };\n    var reader = new MeshStreamReader(stream, decodeContext);\n\n    var patchMesh = false;\n    switch (this.shadingType) {\n      case ShadingType.FREE_FORM_MESH:\n        decodeType4Shading(this, reader);\n        break;\n      case ShadingType.LATTICE_FORM_MESH:\n        var verticesPerRow = dict.get(\"VerticesPerRow\") | 0;\n        if (verticesPerRow < 2) {\n          throw new FormatError(\"Invalid VerticesPerRow\");\n        }\n        decodeType5Shading(this, reader, verticesPerRow);\n        break;\n      case ShadingType.COONS_PATCH_MESH:\n        decodeType6Shading(this, reader);\n        patchMesh = true;\n        break;\n      case ShadingType.TENSOR_PATCH_MESH:\n        decodeType7Shading(this, reader);\n        patchMesh = true;\n        break;\n      default:\n        unreachable(\"Unsupported mesh type.\");\n        break;\n    }\n\n    if (patchMesh) {\n      // dirty bounds calculation for determining, how dense shall be triangles\n      updateBounds(this);\n      for (var i = 0, ii = this.figures.length; i < ii; i++) {\n        buildFigureFromPatch(this, i);\n      }\n    }\n    // calculate bounds\n    updateBounds(this);\n\n    packData(this);\n  }\n\n  Mesh.prototype = {\n    getIR: function Mesh_getIR() {\n      return [\n        \"Mesh\",\n        this.shadingType,\n        this.coords,\n        this.colors,\n        this.figures,\n        this.bounds,\n        this.matrix,\n        this.bbox,\n        this.background,\n      ];\n    },\n  };\n\n  return Mesh;\n})();\n\nShadings.Dummy = (function DummyClosure() {\n  function Dummy() {\n    this.type = \"Pattern\";\n  }\n\n  Dummy.prototype = {\n    getIR: function Dummy_getIR() {\n      return [\"Dummy\"];\n    },\n  };\n  return Dummy;\n})();\n\nfunction getTilingPatternIR(operatorList, dict, args) {\n  const matrix = dict.getArray(\"Matrix\");\n  const bbox = Util.normalizeRect(dict.getArray(\"BBox\"));\n  const xstep = dict.get(\"XStep\");\n  const ystep = dict.get(\"YStep\");\n  const paintType = dict.get(\"PaintType\");\n  const tilingType = dict.get(\"TilingType\");\n\n  // Ensure that the pattern has a non-zero width and height, to prevent errors\n  // in `pattern_helper.js` (fixes issue8330.pdf).\n  if (bbox[2] - bbox[0] === 0 || bbox[3] - bbox[1] === 0) {\n    throw new FormatError(`Invalid getTilingPatternIR /BBox array: [${bbox}].`);\n  }\n\n  return [\n    \"TilingPattern\",\n    args,\n    operatorList,\n    matrix,\n    bbox,\n    xstep,\n    ystep,\n    paintType,\n    tilingType,\n  ];\n}\n\nexport { Pattern, getTilingPatternIR };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Dict, isDict, isStream, Ref } from \"./primitives.js\";\nimport {\n  FormatError,\n  info,\n  isBool,\n  IsEvalSupportedCached,\n  unreachable,\n} from \"../shared/util.js\";\nimport { PostScriptLexer, PostScriptParser } from \"./ps_parser.js\";\nimport { LocalFunctionCache } from \"./image_utils.js\";\n\nclass PDFFunctionFactory {\n  constructor({ xref, isEvalSupported = true }) {\n    this.xref = xref;\n    this.isEvalSupported = isEvalSupported !== false;\n    this._localFunctionCache = null; // Initialized lazily.\n  }\n\n  create(fn) {\n    const cachedFunction = this.getCached(fn);\n    if (cachedFunction) {\n      return cachedFunction;\n    }\n    const parsedFunction = PDFFunction.parse({\n      xref: this.xref,\n      isEvalSupported: this.isEvalSupported,\n      fn: fn instanceof Ref ? this.xref.fetch(fn) : fn,\n    });\n\n    // Attempt to cache the parsed Function, by reference.\n    this._cache(fn, parsedFunction);\n\n    return parsedFunction;\n  }\n\n  createFromArray(fnObj) {\n    const cachedFunction = this.getCached(fnObj);\n    if (cachedFunction) {\n      return cachedFunction;\n    }\n    const parsedFunction = PDFFunction.parseArray({\n      xref: this.xref,\n      isEvalSupported: this.isEvalSupported,\n      fnObj: fnObj instanceof Ref ? this.xref.fetch(fnObj) : fnObj,\n    });\n\n    // Attempt to cache the parsed Function, by reference.\n    this._cache(fnObj, parsedFunction);\n\n    return parsedFunction;\n  }\n\n  getCached(cacheKey) {\n    let fnRef;\n    if (cacheKey instanceof Ref) {\n      fnRef = cacheKey;\n    } else if (cacheKey instanceof Dict) {\n      fnRef = cacheKey.objId;\n    } else if (isStream(cacheKey)) {\n      fnRef = cacheKey.dict && cacheKey.dict.objId;\n    }\n    if (fnRef) {\n      if (!this._localFunctionCache) {\n        this._localFunctionCache = new LocalFunctionCache();\n      }\n      const localFunction = this._localFunctionCache.getByRef(fnRef);\n      if (localFunction) {\n        return localFunction;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * @private\n   */\n  _cache(cacheKey, parsedFunction) {\n    if (!parsedFunction) {\n      throw new Error(\n        'PDFFunctionFactory._cache - expected \"parsedFunction\" argument.'\n      );\n    }\n    let fnRef;\n    if (cacheKey instanceof Ref) {\n      fnRef = cacheKey;\n    } else if (cacheKey instanceof Dict) {\n      fnRef = cacheKey.objId;\n    } else if (isStream(cacheKey)) {\n      fnRef = cacheKey.dict && cacheKey.dict.objId;\n    }\n    if (fnRef) {\n      if (!this._localFunctionCache) {\n        this._localFunctionCache = new LocalFunctionCache();\n      }\n      this._localFunctionCache.set(/* name = */ null, fnRef, parsedFunction);\n    }\n  }\n}\n\nfunction toNumberArray(arr) {\n  if (!Array.isArray(arr)) {\n    return null;\n  }\n  const length = arr.length;\n  for (let i = 0; i < length; i++) {\n    if (typeof arr[i] !== \"number\") {\n      // Non-number is found -- convert all items to numbers.\n      const result = new Array(length);\n      for (let j = 0; j < length; j++) {\n        result[j] = +arr[j];\n      }\n      return result;\n    }\n  }\n  return arr;\n}\n\nvar PDFFunction = (function PDFFunctionClosure() {\n  const CONSTRUCT_SAMPLED = 0;\n  const CONSTRUCT_INTERPOLATED = 2;\n  const CONSTRUCT_STICHED = 3;\n  const CONSTRUCT_POSTSCRIPT = 4;\n\n  return {\n    getSampleArray(size, outputSize, bps, stream) {\n      var i, ii;\n      var length = 1;\n      for (i = 0, ii = size.length; i < ii; i++) {\n        length *= size[i];\n      }\n      length *= outputSize;\n\n      var array = new Array(length);\n      var codeSize = 0;\n      var codeBuf = 0;\n      // 32 is a valid bps so shifting won't work\n      var sampleMul = 1.0 / (2.0 ** bps - 1);\n\n      var strBytes = stream.getBytes((length * bps + 7) / 8);\n      var strIdx = 0;\n      for (i = 0; i < length; i++) {\n        while (codeSize < bps) {\n          codeBuf <<= 8;\n          codeBuf |= strBytes[strIdx++];\n          codeSize += 8;\n        }\n        codeSize -= bps;\n        array[i] = (codeBuf >> codeSize) * sampleMul;\n        codeBuf &= (1 << codeSize) - 1;\n      }\n      return array;\n    },\n\n    getIR({ xref, isEvalSupported, fn }) {\n      var dict = fn.dict;\n      if (!dict) {\n        dict = fn;\n      }\n\n      var types = [\n        this.constructSampled,\n        null,\n        this.constructInterpolated,\n        this.constructStiched,\n        this.constructPostScript,\n      ];\n\n      var typeNum = dict.get(\"FunctionType\");\n      var typeFn = types[typeNum];\n      if (!typeFn) {\n        throw new FormatError(\"Unknown type of function\");\n      }\n\n      return typeFn.call(this, { xref, isEvalSupported, fn, dict });\n    },\n\n    fromIR({ xref, isEvalSupported, IR }) {\n      var type = IR[0];\n      switch (type) {\n        case CONSTRUCT_SAMPLED:\n          return this.constructSampledFromIR({ xref, isEvalSupported, IR });\n        case CONSTRUCT_INTERPOLATED:\n          return this.constructInterpolatedFromIR({\n            xref,\n            isEvalSupported,\n            IR,\n          });\n        case CONSTRUCT_STICHED:\n          return this.constructStichedFromIR({ xref, isEvalSupported, IR });\n        // case CONSTRUCT_POSTSCRIPT:\n        default:\n          return this.constructPostScriptFromIR({ xref, isEvalSupported, IR });\n      }\n    },\n\n    parse({ xref, isEvalSupported, fn }) {\n      const IR = this.getIR({ xref, isEvalSupported, fn });\n      return this.fromIR({ xref, isEvalSupported, IR });\n    },\n\n    parseArray({ xref, isEvalSupported, fnObj }) {\n      if (!Array.isArray(fnObj)) {\n        // not an array -- parsing as regular function\n        return this.parse({ xref, isEvalSupported, fn: fnObj });\n      }\n\n      var fnArray = [];\n      for (var j = 0, jj = fnObj.length; j < jj; j++) {\n        fnArray.push(\n          this.parse({ xref, isEvalSupported, fn: xref.fetchIfRef(fnObj[j]) })\n        );\n      }\n      return function (src, srcOffset, dest, destOffset) {\n        for (var i = 0, ii = fnArray.length; i < ii; i++) {\n          fnArray[i](src, srcOffset, dest, destOffset + i);\n        }\n      };\n    },\n\n    constructSampled({ xref, isEvalSupported, fn, dict }) {\n      function toMultiArray(arr) {\n        var inputLength = arr.length;\n        var out = [];\n        var index = 0;\n        for (var i = 0; i < inputLength; i += 2) {\n          out[index] = [arr[i], arr[i + 1]];\n          ++index;\n        }\n        return out;\n      }\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n      var range = toNumberArray(dict.getArray(\"Range\"));\n\n      if (!domain || !range) {\n        throw new FormatError(\"No domain or range\");\n      }\n\n      var inputSize = domain.length / 2;\n      var outputSize = range.length / 2;\n\n      domain = toMultiArray(domain);\n      range = toMultiArray(range);\n\n      var size = toNumberArray(dict.getArray(\"Size\"));\n      var bps = dict.get(\"BitsPerSample\");\n      var order = dict.get(\"Order\") || 1;\n      if (order !== 1) {\n        // No description how cubic spline interpolation works in PDF32000:2008\n        // As in poppler, ignoring order, linear interpolation may work as good\n        info(\"No support for cubic spline interpolation: \" + order);\n      }\n\n      var encode = toNumberArray(dict.getArray(\"Encode\"));\n      if (!encode) {\n        encode = [];\n        for (var i = 0; i < inputSize; ++i) {\n          encode.push([0, size[i] - 1]);\n        }\n      } else {\n        encode = toMultiArray(encode);\n      }\n\n      var decode = toNumberArray(dict.getArray(\"Decode\"));\n      if (!decode) {\n        decode = range;\n      } else {\n        decode = toMultiArray(decode);\n      }\n\n      var samples = this.getSampleArray(size, outputSize, bps, fn);\n\n      return [\n        CONSTRUCT_SAMPLED,\n        inputSize,\n        domain,\n        encode,\n        decode,\n        samples,\n        size,\n        outputSize,\n        2 ** bps - 1,\n        range,\n      ];\n    },\n\n    constructSampledFromIR({ xref, isEvalSupported, IR }) {\n      // See chapter 3, page 109 of the PDF reference\n      function interpolate(x, xmin, xmax, ymin, ymax) {\n        return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin));\n      }\n\n      return function constructSampledFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        // See chapter 3, page 110 of the PDF reference.\n        var m = IR[1];\n        var domain = IR[2];\n        var encode = IR[3];\n        var decode = IR[4];\n        var samples = IR[5];\n        var size = IR[6];\n        var n = IR[7];\n        // var mask = IR[8];\n        var range = IR[9];\n\n        // Building the cube vertices: its part and sample index\n        // http://rjwagner49.com/Mathematics/Interpolation.pdf\n        var cubeVertices = 1 << m;\n        var cubeN = new Float64Array(cubeVertices);\n        var cubeVertex = new Uint32Array(cubeVertices);\n        var i, j;\n        for (j = 0; j < cubeVertices; j++) {\n          cubeN[j] = 1;\n        }\n\n        var k = n,\n          pos = 1;\n        // Map x_i to y_j for 0 <= i < m using the sampled function.\n        for (i = 0; i < m; ++i) {\n          // x_i' = min(max(x_i, Domain_2i), Domain_2i+1)\n          var domain_2i = domain[i][0];\n          var domain_2i_1 = domain[i][1];\n          var xi = Math.min(\n            Math.max(src[srcOffset + i], domain_2i),\n            domain_2i_1\n          );\n\n          // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1,\n          //                   Encode_2i, Encode_2i+1)\n          var e = interpolate(\n            xi,\n            domain_2i,\n            domain_2i_1,\n            encode[i][0],\n            encode[i][1]\n          );\n\n          // e_i' = min(max(e_i, 0), Size_i - 1)\n          var size_i = size[i];\n          e = Math.min(Math.max(e, 0), size_i - 1);\n\n          // Adjusting the cube: N and vertex sample index\n          var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1;\n          var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0);\n          var n1 = e - e0; // (e - e0) / (e1 - e0);\n          var offset0 = e0 * k;\n          var offset1 = offset0 + k; // e1 * k\n          for (j = 0; j < cubeVertices; j++) {\n            if (j & pos) {\n              cubeN[j] *= n1;\n              cubeVertex[j] += offset1;\n            } else {\n              cubeN[j] *= n0;\n              cubeVertex[j] += offset0;\n            }\n          }\n\n          k *= size_i;\n          pos <<= 1;\n        }\n\n        for (j = 0; j < n; ++j) {\n          // Sum all cube vertices' samples portions\n          var rj = 0;\n          for (i = 0; i < cubeVertices; i++) {\n            rj += samples[cubeVertex[i] + j] * cubeN[i];\n          }\n\n          // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1,\n          //                    Decode_2j, Decode_2j+1)\n          rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);\n\n          // y_j = min(max(r_j, range_2j), range_2j+1)\n          dest[destOffset + j] = Math.min(\n            Math.max(rj, range[j][0]),\n            range[j][1]\n          );\n        }\n      };\n    },\n\n    constructInterpolated({ xref, isEvalSupported, fn, dict }) {\n      var c0 = toNumberArray(dict.getArray(\"C0\")) || [0];\n      var c1 = toNumberArray(dict.getArray(\"C1\")) || [1];\n      var n = dict.get(\"N\");\n\n      var length = c0.length;\n      var diff = [];\n      for (var i = 0; i < length; ++i) {\n        diff.push(c1[i] - c0[i]);\n      }\n\n      return [CONSTRUCT_INTERPOLATED, c0, diff, n];\n    },\n\n    constructInterpolatedFromIR({ xref, isEvalSupported, IR }) {\n      var c0 = IR[1];\n      var diff = IR[2];\n      var n = IR[3];\n\n      var length = diff.length;\n\n      return function constructInterpolatedFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var x = n === 1 ? src[srcOffset] : src[srcOffset] ** n;\n\n        for (var j = 0; j < length; ++j) {\n          dest[destOffset + j] = c0[j] + x * diff[j];\n        }\n      };\n    },\n\n    constructStiched({ xref, isEvalSupported, fn, dict }) {\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n\n      if (!domain) {\n        throw new FormatError(\"No domain\");\n      }\n\n      var inputSize = domain.length / 2;\n      if (inputSize !== 1) {\n        throw new FormatError(\"Bad domain for stiched function\");\n      }\n\n      var fnRefs = dict.get(\"Functions\");\n      var fns = [];\n      for (var i = 0, ii = fnRefs.length; i < ii; ++i) {\n        fns.push(\n          this.parse({ xref, isEvalSupported, fn: xref.fetchIfRef(fnRefs[i]) })\n        );\n      }\n\n      var bounds = toNumberArray(dict.getArray(\"Bounds\"));\n      var encode = toNumberArray(dict.getArray(\"Encode\"));\n\n      return [CONSTRUCT_STICHED, domain, bounds, encode, fns];\n    },\n\n    constructStichedFromIR({ xref, isEvalSupported, IR }) {\n      var domain = IR[1];\n      var bounds = IR[2];\n      var encode = IR[3];\n      var fns = IR[4];\n      var tmpBuf = new Float32Array(1);\n\n      return function constructStichedFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var clip = function constructStichedFromIRClip(v, min, max) {\n          if (v > max) {\n            v = max;\n          } else if (v < min) {\n            v = min;\n          }\n          return v;\n        };\n\n        // clip to domain\n        var v = clip(src[srcOffset], domain[0], domain[1]);\n        // calculate which bound the value is in\n        for (var i = 0, ii = bounds.length; i < ii; ++i) {\n          if (v < bounds[i]) {\n            break;\n          }\n        }\n\n        // encode value into domain of function\n        var dmin = domain[0];\n        if (i > 0) {\n          dmin = bounds[i - 1];\n        }\n        var dmax = domain[1];\n        if (i < bounds.length) {\n          dmax = bounds[i];\n        }\n\n        var rmin = encode[2 * i];\n        var rmax = encode[2 * i + 1];\n\n        // Prevent the value from becoming NaN as a result\n        // of division by zero (fixes issue6113.pdf).\n        tmpBuf[0] =\n          dmin === dmax\n            ? rmin\n            : rmin + ((v - dmin) * (rmax - rmin)) / (dmax - dmin);\n\n        // call the appropriate function\n        fns[i](tmpBuf, 0, dest, destOffset);\n      };\n    },\n\n    constructPostScript({ xref, isEvalSupported, fn, dict }) {\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n      var range = toNumberArray(dict.getArray(\"Range\"));\n\n      if (!domain) {\n        throw new FormatError(\"No domain.\");\n      }\n\n      if (!range) {\n        throw new FormatError(\"No range.\");\n      }\n\n      var lexer = new PostScriptLexer(fn);\n      var parser = new PostScriptParser(lexer);\n      var code = parser.parse();\n\n      return [CONSTRUCT_POSTSCRIPT, domain, range, code];\n    },\n\n    constructPostScriptFromIR({ xref, isEvalSupported, IR }) {\n      var domain = IR[1];\n      var range = IR[2];\n      var code = IR[3];\n\n      if (isEvalSupported && IsEvalSupportedCached.value) {\n        const compiled = new PostScriptCompiler().compile(code, domain, range);\n        if (compiled) {\n          // Compiled function consists of simple expressions such as addition,\n          // subtraction, Math.max, and also contains 'var' and 'return'\n          // statements. See the generation in the PostScriptCompiler below.\n          // eslint-disable-next-line no-new-func\n          return new Function(\n            \"src\",\n            \"srcOffset\",\n            \"dest\",\n            \"destOffset\",\n            compiled\n          );\n        }\n      }\n      info(\"Unable to compile PS function\");\n\n      var numOutputs = range.length >> 1;\n      var numInputs = domain.length >> 1;\n      var evaluator = new PostScriptEvaluator(code);\n      // Cache the values for a big speed up, the cache size is limited though\n      // since the number of possible values can be huge from a PS function.\n      var cache = Object.create(null);\n      // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values\n      // seen in our tests.\n      var MAX_CACHE_SIZE = 2048 * 4;\n      var cache_available = MAX_CACHE_SIZE;\n      var tmpBuf = new Float32Array(numInputs);\n\n      return function constructPostScriptFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var i, value;\n        var key = \"\";\n        var input = tmpBuf;\n        for (i = 0; i < numInputs; i++) {\n          value = src[srcOffset + i];\n          input[i] = value;\n          key += value + \"_\";\n        }\n\n        var cachedValue = cache[key];\n        if (cachedValue !== undefined) {\n          dest.set(cachedValue, destOffset);\n          return;\n        }\n\n        var output = new Float32Array(numOutputs);\n        var stack = evaluator.execute(input);\n        var stackIndex = stack.length - numOutputs;\n        for (i = 0; i < numOutputs; i++) {\n          value = stack[stackIndex + i];\n          var bound = range[i * 2];\n          if (value < bound) {\n            value = bound;\n          } else {\n            bound = range[i * 2 + 1];\n            if (value > bound) {\n              value = bound;\n            }\n          }\n          output[i] = value;\n        }\n        if (cache_available > 0) {\n          cache_available--;\n          cache[key] = output;\n        }\n        dest.set(output, destOffset);\n      };\n    },\n  };\n})();\n\nfunction isPDFFunction(v) {\n  var fnDict;\n  if (typeof v !== \"object\") {\n    return false;\n  } else if (isDict(v)) {\n    fnDict = v;\n  } else if (isStream(v)) {\n    fnDict = v.dict;\n  } else {\n    return false;\n  }\n  return fnDict.has(\"FunctionType\");\n}\n\nvar PostScriptStack = (function PostScriptStackClosure() {\n  var MAX_STACK_SIZE = 100;\n\n  // eslint-disable-next-line no-shadow\n  function PostScriptStack(initialStack) {\n    this.stack = !initialStack\n      ? []\n      : Array.prototype.slice.call(initialStack, 0);\n  }\n\n  PostScriptStack.prototype = {\n    push: function PostScriptStack_push(value) {\n      if (this.stack.length >= MAX_STACK_SIZE) {\n        throw new Error(\"PostScript function stack overflow.\");\n      }\n      this.stack.push(value);\n    },\n    pop: function PostScriptStack_pop() {\n      if (this.stack.length <= 0) {\n        throw new Error(\"PostScript function stack underflow.\");\n      }\n      return this.stack.pop();\n    },\n    copy: function PostScriptStack_copy(n) {\n      if (this.stack.length + n >= MAX_STACK_SIZE) {\n        throw new Error(\"PostScript function stack overflow.\");\n      }\n      var stack = this.stack;\n      for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) {\n        stack.push(stack[i]);\n      }\n    },\n    index: function PostScriptStack_index(n) {\n      this.push(this.stack[this.stack.length - n - 1]);\n    },\n    // rotate the last n stack elements p times\n    roll: function PostScriptStack_roll(n, p) {\n      var stack = this.stack;\n      var l = stack.length - n;\n      var r = stack.length - 1,\n        c = l + (p - Math.floor(p / n) * n),\n        i,\n        j,\n        t;\n      for (i = l, j = r; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n      for (i = l, j = c - 1; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n      for (i = c, j = r; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n    },\n  };\n  return PostScriptStack;\n})();\nvar PostScriptEvaluator = (function PostScriptEvaluatorClosure() {\n  // eslint-disable-next-line no-shadow\n  function PostScriptEvaluator(operators) {\n    this.operators = operators;\n  }\n  PostScriptEvaluator.prototype = {\n    execute: function PostScriptEvaluator_execute(initialStack) {\n      var stack = new PostScriptStack(initialStack);\n      var counter = 0;\n      var operators = this.operators;\n      var length = operators.length;\n      var operator, a, b;\n      while (counter < length) {\n        operator = operators[counter++];\n        if (typeof operator === \"number\") {\n          // Operator is really an operand and should be pushed to the stack.\n          stack.push(operator);\n          continue;\n        }\n        switch (operator) {\n          // non standard ps operators\n          case \"jz\": // jump if false\n            b = stack.pop();\n            a = stack.pop();\n            if (!a) {\n              counter = b;\n            }\n            break;\n          case \"j\": // jump\n            a = stack.pop();\n            counter = a;\n            break;\n\n          // all ps operators in alphabetical order (excluding if/ifelse)\n          case \"abs\":\n            a = stack.pop();\n            stack.push(Math.abs(a));\n            break;\n          case \"add\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a + b);\n            break;\n          case \"and\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a && b);\n            } else {\n              stack.push(a & b);\n            }\n            break;\n          case \"atan\":\n            a = stack.pop();\n            stack.push(Math.atan(a));\n            break;\n          case \"bitshift\":\n            b = stack.pop();\n            a = stack.pop();\n            if (a > 0) {\n              stack.push(a << b);\n            } else {\n              stack.push(a >> b);\n            }\n            break;\n          case \"ceiling\":\n            a = stack.pop();\n            stack.push(Math.ceil(a));\n            break;\n          case \"copy\":\n            a = stack.pop();\n            stack.copy(a);\n            break;\n          case \"cos\":\n            a = stack.pop();\n            stack.push(Math.cos(a));\n            break;\n          case \"cvi\":\n            a = stack.pop() | 0;\n            stack.push(a);\n            break;\n          case \"cvr\":\n            // noop\n            break;\n          case \"div\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a / b);\n            break;\n          case \"dup\":\n            stack.copy(1);\n            break;\n          case \"eq\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a === b);\n            break;\n          case \"exch\":\n            stack.roll(2, 1);\n            break;\n          case \"exp\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a ** b);\n            break;\n          case \"false\":\n            stack.push(false);\n            break;\n          case \"floor\":\n            a = stack.pop();\n            stack.push(Math.floor(a));\n            break;\n          case \"ge\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a >= b);\n            break;\n          case \"gt\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a > b);\n            break;\n          case \"idiv\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push((a / b) | 0);\n            break;\n          case \"index\":\n            a = stack.pop();\n            stack.index(a);\n            break;\n          case \"le\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a <= b);\n            break;\n          case \"ln\":\n            a = stack.pop();\n            stack.push(Math.log(a));\n            break;\n          case \"log\":\n            a = stack.pop();\n            stack.push(Math.log(a) / Math.LN10);\n            break;\n          case \"lt\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a < b);\n            break;\n          case \"mod\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a % b);\n            break;\n          case \"mul\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a * b);\n            break;\n          case \"ne\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a !== b);\n            break;\n          case \"neg\":\n            a = stack.pop();\n            stack.push(-a);\n            break;\n          case \"not\":\n            a = stack.pop();\n            if (isBool(a)) {\n              stack.push(!a);\n            } else {\n              stack.push(~a);\n            }\n            break;\n          case \"or\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a || b);\n            } else {\n              stack.push(a | b);\n            }\n            break;\n          case \"pop\":\n            stack.pop();\n            break;\n          case \"roll\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.roll(a, b);\n            break;\n          case \"round\":\n            a = stack.pop();\n            stack.push(Math.round(a));\n            break;\n          case \"sin\":\n            a = stack.pop();\n            stack.push(Math.sin(a));\n            break;\n          case \"sqrt\":\n            a = stack.pop();\n            stack.push(Math.sqrt(a));\n            break;\n          case \"sub\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a - b);\n            break;\n          case \"true\":\n            stack.push(true);\n            break;\n          case \"truncate\":\n            a = stack.pop();\n            a = a < 0 ? Math.ceil(a) : Math.floor(a);\n            stack.push(a);\n            break;\n          case \"xor\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a !== b);\n            } else {\n              stack.push(a ^ b);\n            }\n            break;\n          default:\n            throw new FormatError(`Unknown operator ${operator}`);\n        }\n      }\n      return stack.stack;\n    },\n  };\n  return PostScriptEvaluator;\n})();\n\n// Most of the PDFs functions consist of simple operations such as:\n//   roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add.\n//\n// We can compile most of such programs, and at the same moment, we can\n// optimize some expressions using basic math properties. Keeping track of\n// min/max values will allow us to avoid extra Math.min/Math.max calls.\nvar PostScriptCompiler = (function PostScriptCompilerClosure() {\n  function AstNode(type) {\n    this.type = type;\n  }\n  AstNode.prototype.visit = function (visitor) {\n    unreachable(\"abstract method\");\n  };\n\n  function AstArgument(index, min, max) {\n    AstNode.call(this, \"args\");\n    this.index = index;\n    this.min = min;\n    this.max = max;\n  }\n  AstArgument.prototype = Object.create(AstNode.prototype);\n  AstArgument.prototype.visit = function (visitor) {\n    visitor.visitArgument(this);\n  };\n\n  function AstLiteral(number) {\n    AstNode.call(this, \"literal\");\n    this.number = number;\n    this.min = number;\n    this.max = number;\n  }\n  AstLiteral.prototype = Object.create(AstNode.prototype);\n  AstLiteral.prototype.visit = function (visitor) {\n    visitor.visitLiteral(this);\n  };\n\n  function AstBinaryOperation(op, arg1, arg2, min, max) {\n    AstNode.call(this, \"binary\");\n    this.op = op;\n    this.arg1 = arg1;\n    this.arg2 = arg2;\n    this.min = min;\n    this.max = max;\n  }\n  AstBinaryOperation.prototype = Object.create(AstNode.prototype);\n  AstBinaryOperation.prototype.visit = function (visitor) {\n    visitor.visitBinaryOperation(this);\n  };\n\n  function AstMin(arg, max) {\n    AstNode.call(this, \"max\");\n    this.arg = arg;\n    this.min = arg.min;\n    this.max = max;\n  }\n  AstMin.prototype = Object.create(AstNode.prototype);\n  AstMin.prototype.visit = function (visitor) {\n    visitor.visitMin(this);\n  };\n\n  function AstVariable(index, min, max) {\n    AstNode.call(this, \"var\");\n    this.index = index;\n    this.min = min;\n    this.max = max;\n  }\n  AstVariable.prototype = Object.create(AstNode.prototype);\n  AstVariable.prototype.visit = function (visitor) {\n    visitor.visitVariable(this);\n  };\n\n  function AstVariableDefinition(variable, arg) {\n    AstNode.call(this, \"definition\");\n    this.variable = variable;\n    this.arg = arg;\n  }\n  AstVariableDefinition.prototype = Object.create(AstNode.prototype);\n  AstVariableDefinition.prototype.visit = function (visitor) {\n    visitor.visitVariableDefinition(this);\n  };\n\n  function ExpressionBuilderVisitor() {\n    this.parts = [];\n  }\n  ExpressionBuilderVisitor.prototype = {\n    visitArgument(arg) {\n      this.parts.push(\n        \"Math.max(\",\n        arg.min,\n        \", Math.min(\",\n        arg.max,\n        \", src[srcOffset + \",\n        arg.index,\n        \"]))\"\n      );\n    },\n    visitVariable(variable) {\n      this.parts.push(\"v\", variable.index);\n    },\n    visitLiteral(literal) {\n      this.parts.push(literal.number);\n    },\n    visitBinaryOperation(operation) {\n      this.parts.push(\"(\");\n      operation.arg1.visit(this);\n      this.parts.push(\" \", operation.op, \" \");\n      operation.arg2.visit(this);\n      this.parts.push(\")\");\n    },\n    visitVariableDefinition(definition) {\n      this.parts.push(\"var \");\n      definition.variable.visit(this);\n      this.parts.push(\" = \");\n      definition.arg.visit(this);\n      this.parts.push(\";\");\n    },\n    visitMin(max) {\n      this.parts.push(\"Math.min(\");\n      max.arg.visit(this);\n      this.parts.push(\", \", max.max, \")\");\n    },\n    toString() {\n      return this.parts.join(\"\");\n    },\n  };\n\n  function buildAddOperation(num1, num2) {\n    if (num2.type === \"literal\" && num2.number === 0) {\n      // optimization: second operand is 0\n      return num1;\n    }\n    if (num1.type === \"literal\" && num1.number === 0) {\n      // optimization: first operand is 0\n      return num2;\n    }\n    if (num2.type === \"literal\" && num1.type === \"literal\") {\n      // optimization: operands operand are literals\n      return new AstLiteral(num1.number + num2.number);\n    }\n    return new AstBinaryOperation(\n      \"+\",\n      num1,\n      num2,\n      num1.min + num2.min,\n      num1.max + num2.max\n    );\n  }\n\n  function buildMulOperation(num1, num2) {\n    if (num2.type === \"literal\") {\n      // optimization: second operands is a literal...\n      if (num2.number === 0) {\n        return new AstLiteral(0); // and it's 0\n      } else if (num2.number === 1) {\n        return num1; // and it's 1\n      } else if (num1.type === \"literal\") {\n        // ... and first operands is a literal too\n        return new AstLiteral(num1.number * num2.number);\n      }\n    }\n    if (num1.type === \"literal\") {\n      // optimization: first operands is a literal...\n      if (num1.number === 0) {\n        return new AstLiteral(0); // and it's 0\n      } else if (num1.number === 1) {\n        return num2; // and it's 1\n      }\n    }\n    var min = Math.min(\n      num1.min * num2.min,\n      num1.min * num2.max,\n      num1.max * num2.min,\n      num1.max * num2.max\n    );\n    var max = Math.max(\n      num1.min * num2.min,\n      num1.min * num2.max,\n      num1.max * num2.min,\n      num1.max * num2.max\n    );\n    return new AstBinaryOperation(\"*\", num1, num2, min, max);\n  }\n\n  function buildSubOperation(num1, num2) {\n    if (num2.type === \"literal\") {\n      // optimization: second operands is a literal...\n      if (num2.number === 0) {\n        return num1; // ... and it's 0\n      } else if (num1.type === \"literal\") {\n        // ... and first operands is a literal too\n        return new AstLiteral(num1.number - num2.number);\n      }\n    }\n    if (\n      num2.type === \"binary\" &&\n      num2.op === \"-\" &&\n      num1.type === \"literal\" &&\n      num1.number === 1 &&\n      num2.arg1.type === \"literal\" &&\n      num2.arg1.number === 1\n    ) {\n      // optimization for case: 1 - (1 - x)\n      return num2.arg2;\n    }\n    return new AstBinaryOperation(\n      \"-\",\n      num1,\n      num2,\n      num1.min - num2.max,\n      num1.max - num2.min\n    );\n  }\n\n  function buildMinOperation(num1, max) {\n    if (num1.min >= max) {\n      // optimization: num1 min value is not less than required max\n      return new AstLiteral(max); // just returning max\n    } else if (num1.max <= max) {\n      // optimization: num1 max value is not greater than required max\n      return num1; // just returning an argument\n    }\n    return new AstMin(num1, max);\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PostScriptCompiler() {}\n  PostScriptCompiler.prototype = {\n    compile: function PostScriptCompiler_compile(code, domain, range) {\n      var stack = [];\n      var instructions = [];\n      var inputSize = domain.length >> 1,\n        outputSize = range.length >> 1;\n      var lastRegister = 0;\n      var n, j;\n      var num1, num2, ast1, ast2, tmpVar, item;\n      for (let i = 0; i < inputSize; i++) {\n        stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1]));\n      }\n\n      for (let i = 0, ii = code.length; i < ii; i++) {\n        item = code[i];\n        if (typeof item === \"number\") {\n          stack.push(new AstLiteral(item));\n          continue;\n        }\n\n        switch (item) {\n          case \"add\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildAddOperation(num1, num2));\n            break;\n          case \"cvr\":\n            if (stack.length < 1) {\n              return null;\n            }\n            break;\n          case \"mul\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildMulOperation(num1, num2));\n            break;\n          case \"sub\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildSubOperation(num1, num2));\n            break;\n          case \"exch\":\n            if (stack.length < 2) {\n              return null;\n            }\n            ast1 = stack.pop();\n            ast2 = stack.pop();\n            stack.push(ast1, ast2);\n            break;\n          case \"pop\":\n            if (stack.length < 1) {\n              return null;\n            }\n            stack.pop();\n            break;\n          case \"index\":\n            if (stack.length < 1) {\n              return null;\n            }\n            num1 = stack.pop();\n            if (num1.type !== \"literal\") {\n              return null;\n            }\n            n = num1.number;\n            if (n < 0 || !Number.isInteger(n) || stack.length < n) {\n              return null;\n            }\n            ast1 = stack[stack.length - n - 1];\n            if (ast1.type === \"literal\" || ast1.type === \"var\") {\n              stack.push(ast1);\n              break;\n            }\n            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);\n            stack[stack.length - n - 1] = tmpVar;\n            stack.push(tmpVar);\n            instructions.push(new AstVariableDefinition(tmpVar, ast1));\n            break;\n          case \"dup\":\n            if (stack.length < 1) {\n              return null;\n            }\n            if (\n              typeof code[i + 1] === \"number\" &&\n              code[i + 2] === \"gt\" &&\n              code[i + 3] === i + 7 &&\n              code[i + 4] === \"jz\" &&\n              code[i + 5] === \"pop\" &&\n              code[i + 6] === code[i + 1]\n            ) {\n              // special case of the commands sequence for the min operation\n              num1 = stack.pop();\n              stack.push(buildMinOperation(num1, code[i + 1]));\n              i += 6;\n              break;\n            }\n            ast1 = stack[stack.length - 1];\n            if (ast1.type === \"literal\" || ast1.type === \"var\") {\n              // we don't have to save into intermediate variable a literal or\n              // variable.\n              stack.push(ast1);\n              break;\n            }\n            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);\n            stack[stack.length - 1] = tmpVar;\n            stack.push(tmpVar);\n            instructions.push(new AstVariableDefinition(tmpVar, ast1));\n            break;\n          case \"roll\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            if (num2.type !== \"literal\" || num1.type !== \"literal\") {\n              // both roll operands must be numbers\n              return null;\n            }\n            j = num2.number;\n            n = num1.number;\n            if (\n              n <= 0 ||\n              !Number.isInteger(n) ||\n              !Number.isInteger(j) ||\n              stack.length < n\n            ) {\n              // ... and integers\n              return null;\n            }\n            j = ((j % n) + n) % n;\n            if (j === 0) {\n              break; // just skipping -- there are nothing to rotate\n            }\n            Array.prototype.push.apply(\n              stack,\n              stack.splice(stack.length - n, n - j)\n            );\n            break;\n          default:\n            return null; // unsupported operator\n        }\n      }\n\n      if (stack.length !== outputSize) {\n        return null;\n      }\n\n      var result = [];\n      instructions.forEach(function (instruction) {\n        var statementBuilder = new ExpressionBuilderVisitor();\n        instruction.visit(statementBuilder);\n        result.push(statementBuilder.toString());\n      });\n      stack.forEach(function (expr, i) {\n        var statementBuilder = new ExpressionBuilderVisitor();\n        expr.visit(statementBuilder);\n        var min = range[i * 2],\n          max = range[i * 2 + 1];\n        var out = [statementBuilder.toString()];\n        if (min > expr.min) {\n          out.unshift(\"Math.max(\", min, \", \");\n          out.push(\")\");\n        }\n        if (max < expr.max) {\n          out.unshift(\"Math.min(\", max, \", \");\n          out.push(\")\");\n        }\n        out.unshift(\"dest[destOffset + \", i, \"] = \");\n        out.push(\";\");\n        result.push(out.join(\"\"));\n      });\n      return result.join(\"\\n\");\n    },\n  };\n\n  return PostScriptCompiler;\n})();\n\nexport {\n  isPDFFunction,\n  PDFFunctionFactory,\n  PostScriptEvaluator,\n  PostScriptCompiler,\n};\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { FormatError, shadow } from \"../shared/util.js\";\nimport { EOF } from \"./primitives.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\n\nclass PostScriptParser {\n  constructor(lexer) {\n    this.lexer = lexer;\n    this.operators = [];\n    this.token = null;\n    this.prev = null;\n  }\n\n  nextToken() {\n    this.prev = this.token;\n    this.token = this.lexer.getToken();\n  }\n\n  accept(type) {\n    if (this.token.type === type) {\n      this.nextToken();\n      return true;\n    }\n    return false;\n  }\n\n  expect(type) {\n    if (this.accept(type)) {\n      return true;\n    }\n    throw new FormatError(\n      `Unexpected symbol: found ${this.token.type} expected ${type}.`\n    );\n  }\n\n  parse() {\n    this.nextToken();\n    this.expect(PostScriptTokenTypes.LBRACE);\n    this.parseBlock();\n    this.expect(PostScriptTokenTypes.RBRACE);\n    return this.operators;\n  }\n\n  parseBlock() {\n    while (true) {\n      if (this.accept(PostScriptTokenTypes.NUMBER)) {\n        this.operators.push(this.prev.value);\n      } else if (this.accept(PostScriptTokenTypes.OPERATOR)) {\n        this.operators.push(this.prev.value);\n      } else if (this.accept(PostScriptTokenTypes.LBRACE)) {\n        this.parseCondition();\n      } else {\n        return;\n      }\n    }\n  }\n\n  parseCondition() {\n    // Add two place holders that will be updated later\n    const conditionLocation = this.operators.length;\n    this.operators.push(null, null);\n\n    this.parseBlock();\n    this.expect(PostScriptTokenTypes.RBRACE);\n    if (this.accept(PostScriptTokenTypes.IF)) {\n      // The true block is right after the 'if' so it just falls through on true\n      // else it jumps and skips the true block.\n      this.operators[conditionLocation] = this.operators.length;\n      this.operators[conditionLocation + 1] = \"jz\";\n    } else if (this.accept(PostScriptTokenTypes.LBRACE)) {\n      const jumpLocation = this.operators.length;\n      this.operators.push(null, null);\n      const endOfTrue = this.operators.length;\n      this.parseBlock();\n      this.expect(PostScriptTokenTypes.RBRACE);\n      this.expect(PostScriptTokenTypes.IFELSE);\n      // The jump is added at the end of the true block to skip the false block.\n      this.operators[jumpLocation] = this.operators.length;\n      this.operators[jumpLocation + 1] = \"j\";\n\n      this.operators[conditionLocation] = endOfTrue;\n      this.operators[conditionLocation + 1] = \"jz\";\n    } else {\n      throw new FormatError(\"PS Function: error parsing conditional.\");\n    }\n  }\n}\n\nconst PostScriptTokenTypes = {\n  LBRACE: 0,\n  RBRACE: 1,\n  NUMBER: 2,\n  OPERATOR: 3,\n  IF: 4,\n  IFELSE: 5,\n};\n\nconst PostScriptToken = (function PostScriptTokenClosure() {\n  const opCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  class PostScriptToken {\n    constructor(type, value) {\n      this.type = type;\n      this.value = value;\n    }\n\n    static getOperator(op) {\n      const opValue = opCache[op];\n      if (opValue) {\n        return opValue;\n      }\n      return (opCache[op] = new PostScriptToken(\n        PostScriptTokenTypes.OPERATOR,\n        op\n      ));\n    }\n\n    static get LBRACE() {\n      return shadow(\n        this,\n        \"LBRACE\",\n        new PostScriptToken(PostScriptTokenTypes.LBRACE, \"{\")\n      );\n    }\n\n    static get RBRACE() {\n      return shadow(\n        this,\n        \"RBRACE\",\n        new PostScriptToken(PostScriptTokenTypes.RBRACE, \"}\")\n      );\n    }\n\n    static get IF() {\n      return shadow(\n        this,\n        \"IF\",\n        new PostScriptToken(PostScriptTokenTypes.IF, \"IF\")\n      );\n    }\n\n    static get IFELSE() {\n      return shadow(\n        this,\n        \"IFELSE\",\n        new PostScriptToken(PostScriptTokenTypes.IFELSE, \"IFELSE\")\n      );\n    }\n  }\n  return PostScriptToken;\n})();\n\nclass PostScriptLexer {\n  constructor(stream) {\n    this.stream = stream;\n    this.nextChar();\n\n    this.strBuf = [];\n  }\n\n  nextChar() {\n    return (this.currentChar = this.stream.getByte());\n  }\n\n  getToken() {\n    let comment = false;\n    let ch = this.currentChar;\n\n    // skip comments\n    while (true) {\n      if (ch < 0) {\n        return EOF;\n      }\n\n      if (comment) {\n        if (ch === 0x0a || ch === 0x0d) {\n          comment = false;\n        }\n      } else if (ch === /* '%' = */ 0x25) {\n        comment = true;\n      } else if (!isWhiteSpace(ch)) {\n        break;\n      }\n      ch = this.nextChar();\n    }\n    switch (ch | 0) {\n      case 0x30: // '0'\n      case 0x31: // '1'\n      case 0x32: // '2'\n      case 0x33: // '3'\n      case 0x34: // '4'\n      case 0x35: // '5'\n      case 0x36: // '6'\n      case 0x37: // '7'\n      case 0x38: // '8'\n      case 0x39: // '9'\n      case 0x2b: // '+'\n      case 0x2d: // '-'\n      case 0x2e: // '.'\n        return new PostScriptToken(\n          PostScriptTokenTypes.NUMBER,\n          this.getNumber()\n        );\n      case 0x7b: // '{'\n        this.nextChar();\n        return PostScriptToken.LBRACE;\n      case 0x7d: // '}'\n        this.nextChar();\n        return PostScriptToken.RBRACE;\n    }\n    // operator\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    strBuf[0] = String.fromCharCode(ch);\n\n    while (\n      (ch = this.nextChar()) >= 0 &&\n      ((ch >= /* 'A' = */ 0x41 && ch <= /* 'Z' = */ 0x5a) ||\n        (ch >= /* 'a' = */ 0x61 && ch <= /* 'z' = */ 0x7a))\n    ) {\n      strBuf.push(String.fromCharCode(ch));\n    }\n    const str = strBuf.join(\"\");\n    switch (str.toLowerCase()) {\n      case \"if\":\n        return PostScriptToken.IF;\n      case \"ifelse\":\n        return PostScriptToken.IFELSE;\n      default:\n        return PostScriptToken.getOperator(str);\n    }\n  }\n\n  getNumber() {\n    let ch = this.currentChar;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    strBuf[0] = String.fromCharCode(ch);\n\n    while ((ch = this.nextChar()) >= 0) {\n      if (\n        (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) ||\n        ch === /* '-' = */ 0x2d ||\n        ch === /* '.' = */ 0x2e\n      ) {\n        strBuf.push(String.fromCharCode(ch));\n      } else {\n        break;\n      }\n    }\n    const value = parseFloat(strBuf.join(\"\"));\n    if (isNaN(value)) {\n      throw new FormatError(`Invalid floating point number: ${value}`);\n    }\n    return value;\n  }\n}\n\nexport { PostScriptLexer, PostScriptParser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { warn } from \"../shared/util.js\";\n\n// Character types for symbols from 0000 to 00FF.\n// Source: ftp://ftp.unicode.org/Public/UNIDATA/UnicodeData.txt\n// prettier-ignore\nvar baseTypes = [\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"S\", \"B\", \"S\",\n  \"WS\", \"B\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"B\", \"B\", \"B\", \"S\", \"WS\", \"ON\", \"ON\", \"ET\",\n  \"ET\", \"ET\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"ES\", \"CS\", \"ES\", \"CS\", \"CS\",\n  \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"CS\", \"ON\",\n  \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"ON\", \"ON\", \"ON\", \"ON\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"B\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"CS\", \"ON\", \"ET\",\n  \"ET\", \"ET\", \"ET\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"ON\", \"ON\", \"BN\", \"ON\",\n  \"ON\", \"ET\", \"ET\", \"EN\", \"EN\", \"ON\", \"L\", \"ON\", \"ON\", \"ON\", \"EN\", \"L\",\n  \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\"\n];\n\n// Character types for symbols from 0600 to 06FF.\n// Source: ftp://ftp.unicode.org/Public/UNIDATA/UnicodeData.txt\n// Note that 061D does not exist in the Unicode standard (see\n// http://unicode.org/charts/PDF/U0600.pdf), so we replace it with an\n// empty string and issue a warning if we encounter this character. The\n// empty string is required to properly index the items after it.\n// prettier-ignore\nvar arabicTypes = [\n  \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"ON\", \"ON\", \"AL\", \"ET\", \"ET\", \"AL\",\n  \"CS\", \"AL\", \"ON\", \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\",\n  \"AN\", \"AN\", \"AN\", \"ET\", \"AN\", \"AN\", \"AL\", \"AL\", \"AL\", \"NSM\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AN\",\n  \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"NSM\", \"NSM\",\n  \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"EN\", \"EN\", \"EN\", \"EN\",\n  \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\"\n];\n\nfunction isOdd(i) {\n  return (i & 1) !== 0;\n}\n\nfunction isEven(i) {\n  return (i & 1) === 0;\n}\n\nfunction findUnequal(arr, start, value) {\n  for (var j = start, jj = arr.length; j < jj; ++j) {\n    if (arr[j] !== value) {\n      return j;\n    }\n  }\n  return j;\n}\n\nfunction setValues(arr, start, end, value) {\n  for (var j = start; j < end; ++j) {\n    arr[j] = value;\n  }\n}\n\nfunction reverseValues(arr, start, end) {\n  for (var i = start, j = end - 1; i < j; ++i, --j) {\n    var temp = arr[i];\n    arr[i] = arr[j];\n    arr[j] = temp;\n  }\n}\n\nfunction createBidiText(str, isLTR, vertical = false) {\n  let dir = \"ltr\";\n  if (vertical) {\n    dir = \"ttb\";\n  } else if (!isLTR) {\n    dir = \"rtl\";\n  }\n  return { str, dir };\n}\n\n// These are used in bidi(), which is called frequently. We re-use them on\n// each call to avoid unnecessary allocations.\nvar chars = [];\nvar types = [];\n\nfunction bidi(str, startLevel, vertical) {\n  var isLTR = true;\n  var strLength = str.length;\n  if (strLength === 0 || vertical) {\n    return createBidiText(str, isLTR, vertical);\n  }\n\n  // Get types and fill arrays\n  chars.length = strLength;\n  types.length = strLength;\n  var numBidi = 0;\n\n  var i, ii;\n  for (i = 0; i < strLength; ++i) {\n    chars[i] = str.charAt(i);\n\n    var charCode = str.charCodeAt(i);\n    var charType = \"L\";\n    if (charCode <= 0x00ff) {\n      charType = baseTypes[charCode];\n    } else if (0x0590 <= charCode && charCode <= 0x05f4) {\n      charType = \"R\";\n    } else if (0x0600 <= charCode && charCode <= 0x06ff) {\n      charType = arabicTypes[charCode & 0xff];\n      if (!charType) {\n        warn(\"Bidi: invalid Unicode character \" + charCode.toString(16));\n      }\n    } else if (0x0700 <= charCode && charCode <= 0x08ac) {\n      charType = \"AL\";\n    }\n    if (charType === \"R\" || charType === \"AL\" || charType === \"AN\") {\n      numBidi++;\n    }\n    types[i] = charType;\n  }\n\n  // Detect the bidi method\n  // - If there are no rtl characters then no bidi needed\n  // - If less than 30% chars are rtl then string is primarily ltr\n  // - If more than 30% chars are rtl then string is primarily rtl\n  if (numBidi === 0) {\n    isLTR = true;\n    return createBidiText(str, isLTR);\n  }\n\n  if (startLevel === -1) {\n    if (numBidi / strLength < 0.3) {\n      isLTR = true;\n      startLevel = 0;\n    } else {\n      isLTR = false;\n      startLevel = 1;\n    }\n  }\n\n  var levels = [];\n  for (i = 0; i < strLength; ++i) {\n    levels[i] = startLevel;\n  }\n\n  /*\n   X1-X10: skip most of this, since we are NOT doing the embeddings.\n   */\n  var e = isOdd(startLevel) ? \"R\" : \"L\";\n  var sor = e;\n  var eor = sor;\n\n  /*\n   W1. Examine each non-spacing mark (NSM) in the level run, and change the\n   type of the NSM to the type of the previous character. If the NSM is at the\n   start of the level run, it will get the type of sor.\n   */\n  var lastType = sor;\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"NSM\") {\n      types[i] = lastType;\n    } else {\n      lastType = types[i];\n    }\n  }\n\n  /*\n   W2. Search backwards from each instance of a European number until the\n   first strong type (R, L, AL, or sor) is found.  If an AL is found, change\n   the type of the European number to Arabic number.\n   */\n  lastType = sor;\n  var t;\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"EN\") {\n      types[i] = lastType === \"AL\" ? \"AN\" : \"EN\";\n    } else if (t === \"R\" || t === \"L\" || t === \"AL\") {\n      lastType = t;\n    }\n  }\n\n  /*\n   W3. Change all ALs to R.\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"AL\") {\n      types[i] = \"R\";\n    }\n  }\n\n  /*\n   W4. A single European separator between two European numbers changes to a\n   European number. A single common separator between two numbers of the same\n   type changes to that type:\n   */\n  for (i = 1; i < strLength - 1; ++i) {\n    if (types[i] === \"ES\" && types[i - 1] === \"EN\" && types[i + 1] === \"EN\") {\n      types[i] = \"EN\";\n    }\n    if (\n      types[i] === \"CS\" &&\n      (types[i - 1] === \"EN\" || types[i - 1] === \"AN\") &&\n      types[i + 1] === types[i - 1]\n    ) {\n      types[i] = types[i - 1];\n    }\n  }\n\n  /*\n   W5. A sequence of European terminators adjacent to European numbers changes\n   to all European numbers:\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"EN\") {\n      // do before\n      var j;\n      for (j = i - 1; j >= 0; --j) {\n        if (types[j] !== \"ET\") {\n          break;\n        }\n        types[j] = \"EN\";\n      }\n      // do after\n      for (j = i + 1; j < strLength; ++j) {\n        if (types[j] !== \"ET\") {\n          break;\n        }\n        types[j] = \"EN\";\n      }\n    }\n  }\n\n  /*\n   W6. Otherwise, separators and terminators change to Other Neutral:\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"WS\" || t === \"ES\" || t === \"ET\" || t === \"CS\") {\n      types[i] = \"ON\";\n    }\n  }\n\n  /*\n   W7. Search backwards from each instance of a European number until the\n   first strong type (R, L, or sor) is found. If an L is found,  then change\n   the type of the European number to L.\n   */\n  lastType = sor;\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"EN\") {\n      types[i] = lastType === \"L\" ? \"L\" : \"EN\";\n    } else if (t === \"R\" || t === \"L\") {\n      lastType = t;\n    }\n  }\n\n  /*\n   N1. A sequence of neutrals takes the direction of the surrounding strong\n   text if the text on both sides has the same direction. European and Arabic\n   numbers are treated as though they were R. Start-of-level-run (sor) and\n   end-of-level-run (eor) are used at level run boundaries.\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"ON\") {\n      var end = findUnequal(types, i + 1, \"ON\");\n      var before = sor;\n      if (i > 0) {\n        before = types[i - 1];\n      }\n\n      var after = eor;\n      if (end + 1 < strLength) {\n        after = types[end + 1];\n      }\n      if (before !== \"L\") {\n        before = \"R\";\n      }\n      if (after !== \"L\") {\n        after = \"R\";\n      }\n      if (before === after) {\n        setValues(types, i, end, before);\n      }\n      i = end - 1; // reset to end (-1 so next iteration is ok)\n    }\n  }\n\n  /*\n   N2. Any remaining neutrals take the embedding direction.\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"ON\") {\n      types[i] = e;\n    }\n  }\n\n  /*\n   I1. For all characters with an even (left-to-right) embedding direction,\n   those of type R go up one level and those of type AN or EN go up two\n   levels.\n   I2. For all characters with an odd (right-to-left) embedding direction,\n   those of type L, EN or AN go up one level.\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (isEven(levels[i])) {\n      if (t === \"R\") {\n        levels[i] += 1;\n      } else if (t === \"AN\" || t === \"EN\") {\n        levels[i] += 2;\n      }\n    } else {\n      // isOdd\n      if (t === \"L\" || t === \"AN\" || t === \"EN\") {\n        levels[i] += 1;\n      }\n    }\n  }\n\n  /*\n   L1. On each line, reset the embedding level of the following characters to\n   the paragraph embedding level:\n\n   segment separators,\n   paragraph separators,\n   any sequence of whitespace characters preceding a segment separator or\n   paragraph separator, and any sequence of white space characters at the end\n   of the line.\n   */\n\n  // don't bother as text is only single line\n\n  /*\n   L2. From the highest level found in the text to the lowest odd level on\n   each line, reverse any contiguous sequence of characters that are at that\n   level or higher.\n   */\n\n  // find highest level & lowest odd level\n  var highestLevel = -1;\n  var lowestOddLevel = 99;\n  var level;\n  for (i = 0, ii = levels.length; i < ii; ++i) {\n    level = levels[i];\n    if (highestLevel < level) {\n      highestLevel = level;\n    }\n    if (lowestOddLevel > level && isOdd(level)) {\n      lowestOddLevel = level;\n    }\n  }\n\n  // now reverse between those limits\n  for (level = highestLevel; level >= lowestOddLevel; --level) {\n    // find segments to reverse\n    var start = -1;\n    for (i = 0, ii = levels.length; i < ii; ++i) {\n      if (levels[i] < level) {\n        if (start >= 0) {\n          reverseValues(chars, start, i);\n          start = -1;\n        }\n      } else if (start < 0) {\n        start = i;\n      }\n    }\n    if (start >= 0) {\n      reverseValues(chars, start, levels.length);\n    }\n  }\n\n  /*\n   L3. Combining marks applied to a right-to-left base character will at this\n   point precede their base character. If the rendering engine expects them to\n   follow the base characters in the final display process, then the ordering\n   of the marks and the base character must be reversed.\n   */\n\n  // don't bother for now\n\n  /*\n   L4. A character that possesses the mirrored property as specified by\n   Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved\n   directionality of that character is R.\n   */\n\n  // don't mirror as characters are already mirrored in the pdf\n\n  // Finally, return string\n  for (i = 0, ii = chars.length; i < ii; ++i) {\n    var ch = chars[i];\n    if (ch === \"<\" || ch === \">\") {\n      chars[i] = \"\";\n    }\n  }\n  return createBidiText(chars.join(\"\"), isLTR);\n}\n\nexport { bidi };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getLookupTableFactory } from \"./core_utils.js\";\n\n// The Metrics object contains glyph widths (in glyph space units).\n// As per PDF spec, for most fonts (Type 3 being an exception) a glyph\n// space unit corresponds to 1/1000th of text space unit.\nvar getMetrics = getLookupTableFactory(function (t) {\n  t.Courier = 600;\n  t[\"Courier-Bold\"] = 600;\n  t[\"Courier-BoldOblique\"] = 600;\n  t[\"Courier-Oblique\"] = 600;\n  // eslint-disable-next-line no-shadow\n  t.Helvetica = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 278;\n    t.quotedbl = 355;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 667;\n    t.quoteright = 222;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 556;\n    t.at = 1015;\n    t.A = 667;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 500;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 278;\n    t.backslash = 278;\n    t.bracketright = 278;\n    t.asciicircum = 469;\n    t.underscore = 556;\n    t.quoteleft = 222;\n    t.a = 556;\n    t.b = 556;\n    t.c = 500;\n    t.d = 556;\n    t.e = 556;\n    t.f = 278;\n    t.g = 556;\n    t.h = 556;\n    t.i = 222;\n    t.j = 222;\n    t.k = 500;\n    t.l = 222;\n    t.m = 833;\n    t.n = 556;\n    t.o = 556;\n    t.p = 556;\n    t.q = 556;\n    t.r = 333;\n    t.s = 500;\n    t.t = 278;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 500;\n    t.braceleft = 334;\n    t.bar = 260;\n    t.braceright = 334;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 191;\n    t.quotedblleft = 333;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 537;\n    t.bullet = 350;\n    t.quotesinglbase = 222;\n    t.quotedblbase = 333;\n    t.quotedblright = 333;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 556;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 222;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 556;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 667;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 500;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 500;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 222;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 500;\n    t.scedilla = 500;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 556;\n    t.Amacron = 667;\n    t.rcaron = 333;\n    t.ccedilla = 500;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 643;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 584;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 500;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 260;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 333;\n    t.omacron = 556;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 222;\n    t.tcaron = 317;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 222;\n    t.Oacute = 778;\n    t.oacute = 556;\n    t.amacron = 556;\n    t.sacute = 500;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 556;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 299;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 556;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 556;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 556;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 556;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 556;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 556;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 500;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 584;\n    t.odieresis = 556;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 556;\n    t.eth = 556;\n    t.zcaron = 500;\n    t.ncommaaccent = 556;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-Bold\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 333;\n    t.quotedbl = 474;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 722;\n    t.quoteright = 278;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 611;\n    t.at = 975;\n    t.A = 722;\n    t.B = 722;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 556;\n    t.K = 722;\n    t.L = 611;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 584;\n    t.underscore = 556;\n    t.quoteleft = 278;\n    t.a = 556;\n    t.b = 611;\n    t.c = 556;\n    t.d = 611;\n    t.e = 556;\n    t.f = 333;\n    t.g = 611;\n    t.h = 611;\n    t.i = 278;\n    t.j = 278;\n    t.k = 556;\n    t.l = 278;\n    t.m = 889;\n    t.n = 611;\n    t.o = 611;\n    t.p = 611;\n    t.q = 611;\n    t.r = 389;\n    t.s = 556;\n    t.t = 333;\n    t.u = 611;\n    t.v = 556;\n    t.w = 778;\n    t.x = 556;\n    t.y = 556;\n    t.z = 500;\n    t.braceleft = 389;\n    t.bar = 280;\n    t.braceright = 389;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 238;\n    t.quotedblleft = 500;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 611;\n    t.fl = 611;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 556;\n    t.bullet = 350;\n    t.quotesinglbase = 278;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 611;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 611;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 722;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 556;\n    t.scommaaccent = 556;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 611;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 556;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 556;\n    t.scedilla = 556;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 611;\n    t.acircumflex = 556;\n    t.Amacron = 722;\n    t.rcaron = 389;\n    t.ccedilla = 556;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 743;\n    t.Umacron = 722;\n    t.uring = 611;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 584;\n    t.uacute = 611;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 556;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 556;\n    t.nacute = 611;\n    t.umacron = 611;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 280;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 611;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 389;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 611;\n    t.amacron = 556;\n    t.sacute = 556;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 611;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 611;\n    t.igrave = 278;\n    t.ohungarumlaut = 611;\n    t.Eogonek = 667;\n    t.dcroat = 611;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 400;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 611;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 611;\n    t.ntilde = 611;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 611;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 611;\n    t.Ccaron = 722;\n    t.ugrave = 611;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 611;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 556;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 611;\n    t.tcommaaccent = 333;\n    t.logicalnot = 584;\n    t.odieresis = 611;\n    t.udieresis = 611;\n    t.notequal = 549;\n    t.gcommaaccent = 611;\n    t.eth = 611;\n    t.zcaron = 500;\n    t.ncommaaccent = 611;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-BoldOblique\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 333;\n    t.quotedbl = 474;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 722;\n    t.quoteright = 278;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 611;\n    t.at = 975;\n    t.A = 722;\n    t.B = 722;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 556;\n    t.K = 722;\n    t.L = 611;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 584;\n    t.underscore = 556;\n    t.quoteleft = 278;\n    t.a = 556;\n    t.b = 611;\n    t.c = 556;\n    t.d = 611;\n    t.e = 556;\n    t.f = 333;\n    t.g = 611;\n    t.h = 611;\n    t.i = 278;\n    t.j = 278;\n    t.k = 556;\n    t.l = 278;\n    t.m = 889;\n    t.n = 611;\n    t.o = 611;\n    t.p = 611;\n    t.q = 611;\n    t.r = 389;\n    t.s = 556;\n    t.t = 333;\n    t.u = 611;\n    t.v = 556;\n    t.w = 778;\n    t.x = 556;\n    t.y = 556;\n    t.z = 500;\n    t.braceleft = 389;\n    t.bar = 280;\n    t.braceright = 389;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 238;\n    t.quotedblleft = 500;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 611;\n    t.fl = 611;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 556;\n    t.bullet = 350;\n    t.quotesinglbase = 278;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 611;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 611;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 722;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 556;\n    t.scommaaccent = 556;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 611;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 556;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 556;\n    t.scedilla = 556;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 611;\n    t.acircumflex = 556;\n    t.Amacron = 722;\n    t.rcaron = 389;\n    t.ccedilla = 556;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 743;\n    t.Umacron = 722;\n    t.uring = 611;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 584;\n    t.uacute = 611;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 556;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 556;\n    t.nacute = 611;\n    t.umacron = 611;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 280;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 611;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 389;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 611;\n    t.amacron = 556;\n    t.sacute = 556;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 611;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 611;\n    t.igrave = 278;\n    t.ohungarumlaut = 611;\n    t.Eogonek = 667;\n    t.dcroat = 611;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 400;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 611;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 611;\n    t.ntilde = 611;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 611;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 611;\n    t.Ccaron = 722;\n    t.ugrave = 611;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 611;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 556;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 611;\n    t.tcommaaccent = 333;\n    t.logicalnot = 584;\n    t.odieresis = 611;\n    t.udieresis = 611;\n    t.notequal = 549;\n    t.gcommaaccent = 611;\n    t.eth = 611;\n    t.zcaron = 500;\n    t.ncommaaccent = 611;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-Oblique\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 278;\n    t.quotedbl = 355;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 667;\n    t.quoteright = 222;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 556;\n    t.at = 1015;\n    t.A = 667;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 500;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 278;\n    t.backslash = 278;\n    t.bracketright = 278;\n    t.asciicircum = 469;\n    t.underscore = 556;\n    t.quoteleft = 222;\n    t.a = 556;\n    t.b = 556;\n    t.c = 500;\n    t.d = 556;\n    t.e = 556;\n    t.f = 278;\n    t.g = 556;\n    t.h = 556;\n    t.i = 222;\n    t.j = 222;\n    t.k = 500;\n    t.l = 222;\n    t.m = 833;\n    t.n = 556;\n    t.o = 556;\n    t.p = 556;\n    t.q = 556;\n    t.r = 333;\n    t.s = 500;\n    t.t = 278;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 500;\n    t.braceleft = 334;\n    t.bar = 260;\n    t.braceright = 334;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 191;\n    t.quotedblleft = 333;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 537;\n    t.bullet = 350;\n    t.quotesinglbase = 222;\n    t.quotedblbase = 333;\n    t.quotedblright = 333;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 556;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 222;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 556;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 667;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 500;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 500;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 222;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 500;\n    t.scedilla = 500;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 556;\n    t.Amacron = 667;\n    t.rcaron = 333;\n    t.ccedilla = 500;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 643;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 584;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 500;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 260;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 333;\n    t.omacron = 556;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 222;\n    t.tcaron = 317;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 222;\n    t.Oacute = 778;\n    t.oacute = 556;\n    t.amacron = 556;\n    t.sacute = 500;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 556;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 299;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 556;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 556;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 556;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 556;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 556;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 556;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 500;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 584;\n    t.odieresis = 556;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 556;\n    t.eth = 556;\n    t.zcaron = 500;\n    t.ncommaaccent = 556;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t.Symbol = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.universal = 713;\n    t.numbersign = 500;\n    t.existential = 549;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.suchthat = 439;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asteriskmath = 500;\n    t.plus = 549;\n    t.comma = 250;\n    t.minus = 549;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 549;\n    t.equal = 549;\n    t.greater = 549;\n    t.question = 444;\n    t.congruent = 549;\n    t.Alpha = 722;\n    t.Beta = 667;\n    t.Chi = 722;\n    t.Delta = 612;\n    t.Epsilon = 611;\n    t.Phi = 763;\n    t.Gamma = 603;\n    t.Eta = 722;\n    t.Iota = 333;\n    t.theta1 = 631;\n    t.Kappa = 722;\n    t.Lambda = 686;\n    t.Mu = 889;\n    t.Nu = 722;\n    t.Omicron = 722;\n    t.Pi = 768;\n    t.Theta = 741;\n    t.Rho = 556;\n    t.Sigma = 592;\n    t.Tau = 611;\n    t.Upsilon = 690;\n    t.sigma1 = 439;\n    t.Omega = 768;\n    t.Xi = 645;\n    t.Psi = 795;\n    t.Zeta = 611;\n    t.bracketleft = 333;\n    t.therefore = 863;\n    t.bracketright = 333;\n    t.perpendicular = 658;\n    t.underscore = 500;\n    t.radicalex = 500;\n    t.alpha = 631;\n    t.beta = 549;\n    t.chi = 549;\n    t.delta = 494;\n    t.epsilon = 439;\n    t.phi = 521;\n    t.gamma = 411;\n    t.eta = 603;\n    t.iota = 329;\n    t.phi1 = 603;\n    t.kappa = 549;\n    t.lambda = 549;\n    t.mu = 576;\n    t.nu = 521;\n    t.omicron = 549;\n    t.pi = 549;\n    t.theta = 521;\n    t.rho = 549;\n    t.sigma = 603;\n    t.tau = 439;\n    t.upsilon = 576;\n    t.omega1 = 713;\n    t.omega = 686;\n    t.xi = 493;\n    t.psi = 686;\n    t.zeta = 494;\n    t.braceleft = 480;\n    t.bar = 200;\n    t.braceright = 480;\n    t.similar = 549;\n    t.Euro = 750;\n    t.Upsilon1 = 620;\n    t.minute = 247;\n    t.lessequal = 549;\n    t.fraction = 167;\n    t.infinity = 713;\n    t.florin = 500;\n    t.club = 753;\n    t.diamond = 753;\n    t.heart = 753;\n    t.spade = 753;\n    t.arrowboth = 1042;\n    t.arrowleft = 987;\n    t.arrowup = 603;\n    t.arrowright = 987;\n    t.arrowdown = 603;\n    t.degree = 400;\n    t.plusminus = 549;\n    t.second = 411;\n    t.greaterequal = 549;\n    t.multiply = 549;\n    t.proportional = 713;\n    t.partialdiff = 494;\n    t.bullet = 460;\n    t.divide = 549;\n    t.notequal = 549;\n    t.equivalence = 549;\n    t.approxequal = 549;\n    t.ellipsis = 1000;\n    t.arrowvertex = 603;\n    t.arrowhorizex = 1000;\n    t.carriagereturn = 658;\n    t.aleph = 823;\n    t.Ifraktur = 686;\n    t.Rfraktur = 795;\n    t.weierstrass = 987;\n    t.circlemultiply = 768;\n    t.circleplus = 768;\n    t.emptyset = 823;\n    t.intersection = 768;\n    t.union = 768;\n    t.propersuperset = 713;\n    t.reflexsuperset = 713;\n    t.notsubset = 713;\n    t.propersubset = 713;\n    t.reflexsubset = 713;\n    t.element = 713;\n    t.notelement = 713;\n    t.angle = 768;\n    t.gradient = 713;\n    t.registerserif = 790;\n    t.copyrightserif = 790;\n    t.trademarkserif = 890;\n    t.product = 823;\n    t.radical = 549;\n    t.dotmath = 250;\n    t.logicalnot = 713;\n    t.logicaland = 603;\n    t.logicalor = 603;\n    t.arrowdblboth = 1042;\n    t.arrowdblleft = 987;\n    t.arrowdblup = 603;\n    t.arrowdblright = 987;\n    t.arrowdbldown = 603;\n    t.lozenge = 494;\n    t.angleleft = 329;\n    t.registersans = 790;\n    t.copyrightsans = 790;\n    t.trademarksans = 786;\n    t.summation = 713;\n    t.parenlefttp = 384;\n    t.parenleftex = 384;\n    t.parenleftbt = 384;\n    t.bracketlefttp = 384;\n    t.bracketleftex = 384;\n    t.bracketleftbt = 384;\n    t.bracelefttp = 494;\n    t.braceleftmid = 494;\n    t.braceleftbt = 494;\n    t.braceex = 494;\n    t.angleright = 329;\n    t.integral = 274;\n    t.integraltp = 686;\n    t.integralex = 686;\n    t.integralbt = 686;\n    t.parenrighttp = 384;\n    t.parenrightex = 384;\n    t.parenrightbt = 384;\n    t.bracketrighttp = 384;\n    t.bracketrightex = 384;\n    t.bracketrightbt = 384;\n    t.bracerighttp = 494;\n    t.bracerightmid = 494;\n    t.bracerightbt = 494;\n    t.apple = 790;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Roman\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 408;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 564;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 564;\n    t.equal = 564;\n    t.greater = 564;\n    t.question = 444;\n    t.at = 921;\n    t.A = 722;\n    t.B = 667;\n    t.C = 667;\n    t.D = 722;\n    t.E = 611;\n    t.F = 556;\n    t.G = 722;\n    t.H = 722;\n    t.I = 333;\n    t.J = 389;\n    t.K = 722;\n    t.L = 611;\n    t.M = 889;\n    t.N = 722;\n    t.O = 722;\n    t.P = 556;\n    t.Q = 722;\n    t.R = 667;\n    t.S = 556;\n    t.T = 611;\n    t.U = 722;\n    t.V = 722;\n    t.W = 944;\n    t.X = 722;\n    t.Y = 722;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 469;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 444;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 500;\n    t.i = 278;\n    t.j = 278;\n    t.k = 500;\n    t.l = 278;\n    t.m = 778;\n    t.n = 500;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 333;\n    t.s = 389;\n    t.t = 278;\n    t.u = 500;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 444;\n    t.braceleft = 480;\n    t.bar = 200;\n    t.braceright = 480;\n    t.asciitilde = 541;\n    t.exclamdown = 333;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 180;\n    t.quotedblleft = 444;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 453;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 444;\n    t.quotedblright = 444;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 444;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 889;\n    t.ordfeminine = 276;\n    t.Lslash = 611;\n    t.Oslash = 722;\n    t.OE = 889;\n    t.ordmasculine = 310;\n    t.ae = 667;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 500;\n    t.Idieresis = 333;\n    t.eacute = 444;\n    t.abreve = 444;\n    t.uhungarumlaut = 500;\n    t.ecaron = 444;\n    t.Ydieresis = 722;\n    t.divide = 564;\n    t.Yacute = 722;\n    t.Acircumflex = 722;\n    t.aacute = 444;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 444;\n    t.Uacute = 722;\n    t.uogonek = 500;\n    t.Edieresis = 611;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 760;\n    t.Emacron = 611;\n    t.ccaron = 444;\n    t.aring = 444;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 444;\n    t.Tcommaaccent = 611;\n    t.Cacute = 667;\n    t.atilde = 444;\n    t.Edotaccent = 611;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 667;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 500;\n    t.acircumflex = 444;\n    t.Amacron = 722;\n    t.rcaron = 333;\n    t.ccedilla = 444;\n    t.Zdotaccent = 611;\n    t.Thorn = 556;\n    t.Omacron = 722;\n    t.Racute = 667;\n    t.Sacute = 556;\n    t.dcaron = 588;\n    t.Umacron = 722;\n    t.uring = 500;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 564;\n    t.uacute = 500;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 611;\n    t.adieresis = 444;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 500;\n    t.umacron = 500;\n    t.Ncaron = 722;\n    t.Iacute = 333;\n    t.plusminus = 564;\n    t.brokenbar = 200;\n    t.registered = 760;\n    t.Gbreve = 722;\n    t.Idotaccent = 333;\n    t.summation = 600;\n    t.Egrave = 611;\n    t.racute = 333;\n    t.omacron = 500;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 326;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 444;\n    t.zacute = 444;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 444;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 500;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 611;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 344;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 980;\n    t.edotaccent = 444;\n    t.Igrave = 333;\n    t.Imacron = 333;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 500;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 611;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 500;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 667;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 722;\n    t.zdotaccent = 444;\n    t.Ecaron = 611;\n    t.Iogonek = 333;\n    t.kcommaaccent = 500;\n    t.minus = 564;\n    t.Icircumflex = 333;\n    t.ncaron = 500;\n    t.tcommaaccent = 278;\n    t.logicalnot = 564;\n    t.odieresis = 500;\n    t.udieresis = 500;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 444;\n    t.ncommaaccent = 500;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Bold\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 555;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 1000;\n    t.ampersand = 833;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 570;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 570;\n    t.equal = 570;\n    t.greater = 570;\n    t.question = 500;\n    t.at = 930;\n    t.A = 722;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 778;\n    t.I = 389;\n    t.J = 500;\n    t.K = 778;\n    t.L = 667;\n    t.M = 944;\n    t.N = 722;\n    t.O = 778;\n    t.P = 611;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 556;\n    t.T = 667;\n    t.U = 722;\n    t.V = 722;\n    t.W = 1000;\n    t.X = 722;\n    t.Y = 722;\n    t.Z = 667;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 581;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 556;\n    t.c = 444;\n    t.d = 556;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 556;\n    t.i = 278;\n    t.j = 333;\n    t.k = 556;\n    t.l = 278;\n    t.m = 833;\n    t.n = 556;\n    t.o = 500;\n    t.p = 556;\n    t.q = 556;\n    t.r = 444;\n    t.s = 389;\n    t.t = 333;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 444;\n    t.braceleft = 394;\n    t.bar = 220;\n    t.braceright = 394;\n    t.asciitilde = 520;\n    t.exclamdown = 333;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 278;\n    t.quotedblleft = 500;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 540;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 300;\n    t.Lslash = 667;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 330;\n    t.ae = 722;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 556;\n    t.Idieresis = 389;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 556;\n    t.ecaron = 444;\n    t.Ydieresis = 722;\n    t.divide = 570;\n    t.Yacute = 722;\n    t.Acircumflex = 722;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 747;\n    t.Emacron = 667;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 667;\n    t.Cacute = 722;\n    t.atilde = 500;\n    t.Edotaccent = 667;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 500;\n    t.Amacron = 722;\n    t.rcaron = 444;\n    t.ccedilla = 444;\n    t.Zdotaccent = 667;\n    t.Thorn = 611;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 556;\n    t.dcaron = 672;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 300;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 570;\n    t.uacute = 556;\n    t.Tcaron = 667;\n    t.partialdiff = 494;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 389;\n    t.plusminus = 570;\n    t.brokenbar = 220;\n    t.registered = 747;\n    t.Gbreve = 778;\n    t.Idotaccent = 389;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 444;\n    t.omacron = 500;\n    t.Zacute = 667;\n    t.Zcaron = 667;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 416;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 444;\n    t.zacute = 444;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 300;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 394;\n    t.Kcommaaccent = 778;\n    t.Lacute = 667;\n    t.trademark = 1000;\n    t.edotaccent = 444;\n    t.Igrave = 389;\n    t.Imacron = 389;\n    t.Lcaron = 667;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 444;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 667;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 444;\n    t.Ecaron = 667;\n    t.Iogonek = 389;\n    t.kcommaaccent = 556;\n    t.minus = 570;\n    t.Icircumflex = 389;\n    t.ncaron = 556;\n    t.tcommaaccent = 333;\n    t.logicalnot = 570;\n    t.odieresis = 500;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 444;\n    t.ncommaaccent = 556;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-BoldItalic\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 389;\n    t.quotedbl = 555;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 570;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 570;\n    t.equal = 570;\n    t.greater = 570;\n    t.question = 500;\n    t.at = 832;\n    t.A = 667;\n    t.B = 667;\n    t.C = 667;\n    t.D = 722;\n    t.E = 667;\n    t.F = 667;\n    t.G = 722;\n    t.H = 778;\n    t.I = 389;\n    t.J = 500;\n    t.K = 667;\n    t.L = 611;\n    t.M = 889;\n    t.N = 722;\n    t.O = 722;\n    t.P = 611;\n    t.Q = 722;\n    t.R = 667;\n    t.S = 556;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 889;\n    t.X = 667;\n    t.Y = 611;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 570;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 556;\n    t.i = 278;\n    t.j = 278;\n    t.k = 500;\n    t.l = 278;\n    t.m = 778;\n    t.n = 556;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 389;\n    t.s = 389;\n    t.t = 278;\n    t.u = 556;\n    t.v = 444;\n    t.w = 667;\n    t.x = 500;\n    t.y = 444;\n    t.z = 389;\n    t.braceleft = 348;\n    t.bar = 220;\n    t.braceright = 348;\n    t.asciitilde = 570;\n    t.exclamdown = 389;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 278;\n    t.quotedblleft = 500;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 500;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 944;\n    t.ordfeminine = 266;\n    t.Lslash = 611;\n    t.Oslash = 722;\n    t.OE = 944;\n    t.ordmasculine = 300;\n    t.ae = 722;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 500;\n    t.Idieresis = 389;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 556;\n    t.ecaron = 444;\n    t.Ydieresis = 611;\n    t.divide = 570;\n    t.Yacute = 611;\n    t.Acircumflex = 667;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 444;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 747;\n    t.Emacron = 667;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 611;\n    t.Cacute = 667;\n    t.atilde = 500;\n    t.Edotaccent = 667;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 667;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 556;\n    t.acircumflex = 500;\n    t.Amacron = 667;\n    t.rcaron = 389;\n    t.ccedilla = 444;\n    t.Zdotaccent = 611;\n    t.Thorn = 611;\n    t.Omacron = 722;\n    t.Racute = 667;\n    t.Sacute = 556;\n    t.dcaron = 608;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 570;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 444;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 389;\n    t.plusminus = 570;\n    t.brokenbar = 220;\n    t.registered = 747;\n    t.Gbreve = 722;\n    t.Idotaccent = 389;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 500;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 366;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 444;\n    t.zacute = 389;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 576;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 667;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 382;\n    t.Kcommaaccent = 667;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 444;\n    t.Igrave = 389;\n    t.Imacron = 389;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 556;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 667;\n    t.Lcommaaccent = 611;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 722;\n    t.zdotaccent = 389;\n    t.Ecaron = 667;\n    t.Iogonek = 389;\n    t.kcommaaccent = 500;\n    t.minus = 606;\n    t.Icircumflex = 389;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 606;\n    t.odieresis = 500;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 389;\n    t.ncommaaccent = 556;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Italic\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 420;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 675;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 675;\n    t.equal = 675;\n    t.greater = 675;\n    t.question = 500;\n    t.at = 920;\n    t.A = 611;\n    t.B = 611;\n    t.C = 667;\n    t.D = 722;\n    t.E = 611;\n    t.F = 611;\n    t.G = 722;\n    t.H = 722;\n    t.I = 333;\n    t.J = 444;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 667;\n    t.O = 722;\n    t.P = 611;\n    t.Q = 722;\n    t.R = 611;\n    t.S = 500;\n    t.T = 556;\n    t.U = 722;\n    t.V = 611;\n    t.W = 833;\n    t.X = 611;\n    t.Y = 556;\n    t.Z = 556;\n    t.bracketleft = 389;\n    t.backslash = 278;\n    t.bracketright = 389;\n    t.asciicircum = 422;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 278;\n    t.g = 500;\n    t.h = 500;\n    t.i = 278;\n    t.j = 278;\n    t.k = 444;\n    t.l = 278;\n    t.m = 722;\n    t.n = 500;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 389;\n    t.s = 389;\n    t.t = 278;\n    t.u = 500;\n    t.v = 444;\n    t.w = 667;\n    t.x = 444;\n    t.y = 444;\n    t.z = 389;\n    t.braceleft = 400;\n    t.bar = 275;\n    t.braceright = 400;\n    t.asciitilde = 541;\n    t.exclamdown = 389;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 214;\n    t.quotedblleft = 556;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 523;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 556;\n    t.quotedblright = 556;\n    t.guillemotright = 500;\n    t.ellipsis = 889;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 889;\n    t.AE = 889;\n    t.ordfeminine = 276;\n    t.Lslash = 556;\n    t.Oslash = 722;\n    t.OE = 944;\n    t.ordmasculine = 310;\n    t.ae = 667;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 667;\n    t.germandbls = 500;\n    t.Idieresis = 333;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 500;\n    t.ecaron = 444;\n    t.Ydieresis = 556;\n    t.divide = 675;\n    t.Yacute = 556;\n    t.Acircumflex = 611;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 444;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 500;\n    t.Edieresis = 611;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 760;\n    t.Emacron = 611;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 667;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 556;\n    t.Cacute = 667;\n    t.atilde = 500;\n    t.Edotaccent = 611;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 611;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 500;\n    t.acircumflex = 500;\n    t.Amacron = 611;\n    t.rcaron = 389;\n    t.ccedilla = 444;\n    t.Zdotaccent = 556;\n    t.Thorn = 611;\n    t.Omacron = 722;\n    t.Racute = 611;\n    t.Sacute = 500;\n    t.dcaron = 544;\n    t.Umacron = 722;\n    t.uring = 500;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 611;\n    t.Abreve = 611;\n    t.multiply = 675;\n    t.uacute = 500;\n    t.Tcaron = 556;\n    t.partialdiff = 476;\n    t.ydieresis = 444;\n    t.Nacute = 667;\n    t.icircumflex = 278;\n    t.Ecircumflex = 611;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 500;\n    t.umacron = 500;\n    t.Ncaron = 667;\n    t.Iacute = 333;\n    t.plusminus = 675;\n    t.brokenbar = 275;\n    t.registered = 760;\n    t.Gbreve = 722;\n    t.Idotaccent = 333;\n    t.summation = 600;\n    t.Egrave = 611;\n    t.racute = 389;\n    t.omacron = 500;\n    t.Zacute = 556;\n    t.Zcaron = 556;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 300;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 611;\n    t.Adieresis = 611;\n    t.egrave = 444;\n    t.zacute = 389;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 500;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 611;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 500;\n    t.lcaron = 300;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 980;\n    t.edotaccent = 444;\n    t.Igrave = 333;\n    t.Imacron = 333;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 500;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 611;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 500;\n    t.Scommaaccent = 500;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 500;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 667;\n    t.otilde = 500;\n    t.Rcommaaccent = 611;\n    t.Lcommaaccent = 556;\n    t.Atilde = 611;\n    t.Aogonek = 611;\n    t.Aring = 611;\n    t.Otilde = 722;\n    t.zdotaccent = 389;\n    t.Ecaron = 611;\n    t.Iogonek = 333;\n    t.kcommaaccent = 444;\n    t.minus = 675;\n    t.Icircumflex = 333;\n    t.ncaron = 500;\n    t.tcommaaccent = 278;\n    t.logicalnot = 675;\n    t.odieresis = 500;\n    t.udieresis = 500;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 389;\n    t.ncommaaccent = 500;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t.ZapfDingbats = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.a1 = 974;\n    t.a2 = 961;\n    t.a202 = 974;\n    t.a3 = 980;\n    t.a4 = 719;\n    t.a5 = 789;\n    t.a119 = 790;\n    t.a118 = 791;\n    t.a117 = 690;\n    t.a11 = 960;\n    t.a12 = 939;\n    t.a13 = 549;\n    t.a14 = 855;\n    t.a15 = 911;\n    t.a16 = 933;\n    t.a105 = 911;\n    t.a17 = 945;\n    t.a18 = 974;\n    t.a19 = 755;\n    t.a20 = 846;\n    t.a21 = 762;\n    t.a22 = 761;\n    t.a23 = 571;\n    t.a24 = 677;\n    t.a25 = 763;\n    t.a26 = 760;\n    t.a27 = 759;\n    t.a28 = 754;\n    t.a6 = 494;\n    t.a7 = 552;\n    t.a8 = 537;\n    t.a9 = 577;\n    t.a10 = 692;\n    t.a29 = 786;\n    t.a30 = 788;\n    t.a31 = 788;\n    t.a32 = 790;\n    t.a33 = 793;\n    t.a34 = 794;\n    t.a35 = 816;\n    t.a36 = 823;\n    t.a37 = 789;\n    t.a38 = 841;\n    t.a39 = 823;\n    t.a40 = 833;\n    t.a41 = 816;\n    t.a42 = 831;\n    t.a43 = 923;\n    t.a44 = 744;\n    t.a45 = 723;\n    t.a46 = 749;\n    t.a47 = 790;\n    t.a48 = 792;\n    t.a49 = 695;\n    t.a50 = 776;\n    t.a51 = 768;\n    t.a52 = 792;\n    t.a53 = 759;\n    t.a54 = 707;\n    t.a55 = 708;\n    t.a56 = 682;\n    t.a57 = 701;\n    t.a58 = 826;\n    t.a59 = 815;\n    t.a60 = 789;\n    t.a61 = 789;\n    t.a62 = 707;\n    t.a63 = 687;\n    t.a64 = 696;\n    t.a65 = 689;\n    t.a66 = 786;\n    t.a67 = 787;\n    t.a68 = 713;\n    t.a69 = 791;\n    t.a70 = 785;\n    t.a71 = 791;\n    t.a72 = 873;\n    t.a73 = 761;\n    t.a74 = 762;\n    t.a203 = 762;\n    t.a75 = 759;\n    t.a204 = 759;\n    t.a76 = 892;\n    t.a77 = 892;\n    t.a78 = 788;\n    t.a79 = 784;\n    t.a81 = 438;\n    t.a82 = 138;\n    t.a83 = 277;\n    t.a84 = 415;\n    t.a97 = 392;\n    t.a98 = 392;\n    t.a99 = 668;\n    t.a100 = 668;\n    t.a89 = 390;\n    t.a90 = 390;\n    t.a93 = 317;\n    t.a94 = 317;\n    t.a91 = 276;\n    t.a92 = 276;\n    t.a205 = 509;\n    t.a85 = 509;\n    t.a206 = 410;\n    t.a86 = 410;\n    t.a87 = 234;\n    t.a88 = 234;\n    t.a95 = 334;\n    t.a96 = 334;\n    t.a101 = 732;\n    t.a102 = 544;\n    t.a103 = 544;\n    t.a104 = 910;\n    t.a106 = 667;\n    t.a107 = 760;\n    t.a108 = 760;\n    t.a112 = 776;\n    t.a111 = 595;\n    t.a110 = 694;\n    t.a109 = 626;\n    t.a120 = 788;\n    t.a121 = 788;\n    t.a122 = 788;\n    t.a123 = 788;\n    t.a124 = 788;\n    t.a125 = 788;\n    t.a126 = 788;\n    t.a127 = 788;\n    t.a128 = 788;\n    t.a129 = 788;\n    t.a130 = 788;\n    t.a131 = 788;\n    t.a132 = 788;\n    t.a133 = 788;\n    t.a134 = 788;\n    t.a135 = 788;\n    t.a136 = 788;\n    t.a137 = 788;\n    t.a138 = 788;\n    t.a139 = 788;\n    t.a140 = 788;\n    t.a141 = 788;\n    t.a142 = 788;\n    t.a143 = 788;\n    t.a144 = 788;\n    t.a145 = 788;\n    t.a146 = 788;\n    t.a147 = 788;\n    t.a148 = 788;\n    t.a149 = 788;\n    t.a150 = 788;\n    t.a151 = 788;\n    t.a152 = 788;\n    t.a153 = 788;\n    t.a154 = 788;\n    t.a155 = 788;\n    t.a156 = 788;\n    t.a157 = 788;\n    t.a158 = 788;\n    t.a159 = 788;\n    t.a160 = 894;\n    t.a161 = 838;\n    t.a163 = 1016;\n    t.a164 = 458;\n    t.a196 = 748;\n    t.a165 = 924;\n    t.a192 = 748;\n    t.a166 = 918;\n    t.a167 = 927;\n    t.a168 = 928;\n    t.a169 = 928;\n    t.a170 = 834;\n    t.a171 = 873;\n    t.a172 = 828;\n    t.a173 = 924;\n    t.a162 = 924;\n    t.a174 = 917;\n    t.a175 = 930;\n    t.a176 = 931;\n    t.a177 = 463;\n    t.a178 = 883;\n    t.a179 = 836;\n    t.a193 = 836;\n    t.a180 = 867;\n    t.a199 = 867;\n    t.a181 = 696;\n    t.a200 = 696;\n    t.a182 = 874;\n    t.a201 = 874;\n    t.a183 = 760;\n    t.a184 = 946;\n    t.a197 = 771;\n    t.a185 = 865;\n    t.a194 = 771;\n    t.a198 = 888;\n    t.a186 = 967;\n    t.a195 = 888;\n    t.a187 = 831;\n    t.a188 = 873;\n    t.a189 = 927;\n    t.a190 = 970;\n    t.a191 = 918;\n  });\n});\n\nexport { getMetrics };\n","/* Copyright 2014 Opera Software ASA\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n *\n * Based on https://code.google.com/p/smhasher/wiki/MurmurHash3.\n * Hashes roughly 100 KB per millisecond on i7 3.4 GHz.\n */\n/* eslint no-var: error */\n\nimport { isArrayBuffer, isString } from \"../shared/util.js\";\n\nconst SEED = 0xc3d2e1f0;\n// Workaround for missing math precision in JS.\nconst MASK_HIGH = 0xffff0000;\nconst MASK_LOW = 0xffff;\n\nclass MurmurHash3_64 {\n  constructor(seed) {\n    this.h1 = seed ? seed & 0xffffffff : SEED;\n    this.h2 = seed ? seed & 0xffffffff : SEED;\n  }\n\n  update(input) {\n    let data, length;\n    if (isString(input)) {\n      data = new Uint8Array(input.length * 2);\n      length = 0;\n      for (let i = 0, ii = input.length; i < ii; i++) {\n        const code = input.charCodeAt(i);\n        if (code <= 0xff) {\n          data[length++] = code;\n        } else {\n          data[length++] = code >>> 8;\n          data[length++] = code & 0xff;\n        }\n      }\n    } else if (isArrayBuffer(input)) {\n      data = input;\n      length = data.byteLength;\n    } else {\n      throw new Error(\n        \"Wrong data format in MurmurHash3_64_update. \" +\n          \"Input must be a string or array.\"\n      );\n    }\n\n    const blockCounts = length >> 2;\n    const tailLength = length - blockCounts * 4;\n    // We don't care about endianness here.\n    const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);\n    let k1 = 0,\n      k2 = 0;\n    let h1 = this.h1,\n      h2 = this.h2;\n    const C1 = 0xcc9e2d51,\n      C2 = 0x1b873593;\n    const C1_LOW = C1 & MASK_LOW,\n      C2_LOW = C2 & MASK_LOW;\n\n    for (let i = 0; i < blockCounts; i++) {\n      if (i & 1) {\n        k1 = dataUint32[i];\n        k1 = ((k1 * C1) & MASK_HIGH) | ((k1 * C1_LOW) & MASK_LOW);\n        k1 = (k1 << 15) | (k1 >>> 17);\n        k1 = ((k1 * C2) & MASK_HIGH) | ((k1 * C2_LOW) & MASK_LOW);\n        h1 ^= k1;\n        h1 = (h1 << 13) | (h1 >>> 19);\n        h1 = h1 * 5 + 0xe6546b64;\n      } else {\n        k2 = dataUint32[i];\n        k2 = ((k2 * C1) & MASK_HIGH) | ((k2 * C1_LOW) & MASK_LOW);\n        k2 = (k2 << 15) | (k2 >>> 17);\n        k2 = ((k2 * C2) & MASK_HIGH) | ((k2 * C2_LOW) & MASK_LOW);\n        h2 ^= k2;\n        h2 = (h2 << 13) | (h2 >>> 19);\n        h2 = h2 * 5 + 0xe6546b64;\n      }\n    }\n\n    k1 = 0;\n\n    switch (tailLength) {\n      case 3:\n        k1 ^= data[blockCounts * 4 + 2] << 16;\n      /* falls through */\n      case 2:\n        k1 ^= data[blockCounts * 4 + 1] << 8;\n      /* falls through */\n      case 1:\n        k1 ^= data[blockCounts * 4];\n        /* falls through */\n\n        k1 = ((k1 * C1) & MASK_HIGH) | ((k1 * C1_LOW) & MASK_LOW);\n        k1 = (k1 << 15) | (k1 >>> 17);\n        k1 = ((k1 * C2) & MASK_HIGH) | ((k1 * C2_LOW) & MASK_LOW);\n        if (blockCounts & 1) {\n          h1 ^= k1;\n        } else {\n          h2 ^= k1;\n        }\n    }\n\n    this.h1 = h1;\n    this.h2 = h2;\n  }\n\n  hexdigest() {\n    let h1 = this.h1,\n      h2 = this.h2;\n\n    h1 ^= h2 >>> 1;\n    h1 = ((h1 * 0xed558ccd) & MASK_HIGH) | ((h1 * 0x8ccd) & MASK_LOW);\n    h2 =\n      ((h2 * 0xff51afd7) & MASK_HIGH) |\n      (((((h2 << 16) | (h1 >>> 16)) * 0xafd7ed55) & MASK_HIGH) >>> 16);\n    h1 ^= h2 >>> 1;\n    h1 = ((h1 * 0x1a85ec53) & MASK_HIGH) | ((h1 * 0xec53) & MASK_LOW);\n    h2 =\n      ((h2 * 0xc4ceb9fe) & MASK_HIGH) |\n      (((((h2 << 16) | (h1 >>> 16)) * 0xb9fe1a85) & MASK_HIGH) >>> 16);\n    h1 ^= h2 >>> 1;\n\n    const hex1 = (h1 >>> 0).toString(16),\n      hex2 = (h2 >>> 0).toString(16);\n    return hex1.padStart(8, \"0\") + hex2.padStart(8, \"0\");\n  }\n}\n\nexport { MurmurHash3_64 };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, FormatError, ImageKind, info, warn } from \"../shared/util.js\";\nimport { isName, isStream, Name } from \"./primitives.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { JpegStream } from \"./jpeg_stream.js\";\nimport { JpxImage } from \"./jpx.js\";\n\n/**\n * Decode and clamp a value. The formula is different from the spec because we\n * don't decode to float range [0,1], we decode it in the [0,max] range.\n */\nfunction decodeAndClamp(value, addend, coefficient, max) {\n  value = addend + value * coefficient;\n  // Clamp the value to the range\n  if (value < 0) {\n    value = 0;\n  } else if (value > max) {\n    value = max;\n  }\n  return value;\n}\n\n/**\n * Resizes an image mask with 1 component.\n * @param {TypedArray} src - The source buffer.\n * @param {number} bpc - Number of bits per component.\n * @param {number} w1 - Original width.\n * @param {number} h1 - Original height.\n * @param {number} w2 - New width.\n * @param {number} h2 - New height.\n * @returns {TypedArray} The resized image mask buffer.\n */\nfunction resizeImageMask(src, bpc, w1, h1, w2, h2) {\n  var length = w2 * h2;\n  let dest;\n  if (bpc <= 8) {\n    dest = new Uint8Array(length);\n  } else if (bpc <= 16) {\n    dest = new Uint16Array(length);\n  } else {\n    dest = new Uint32Array(length);\n  }\n  var xRatio = w1 / w2;\n  var yRatio = h1 / h2;\n  var i,\n    j,\n    py,\n    newIndex = 0,\n    oldIndex;\n  var xScaled = new Uint16Array(w2);\n  var w1Scanline = w1;\n\n  for (i = 0; i < w2; i++) {\n    xScaled[i] = Math.floor(i * xRatio);\n  }\n  for (i = 0; i < h2; i++) {\n    py = Math.floor(i * yRatio) * w1Scanline;\n    for (j = 0; j < w2; j++) {\n      oldIndex = py + xScaled[j];\n      dest[newIndex++] = src[oldIndex];\n    }\n  }\n  return dest;\n}\n\nclass PDFImage {\n  constructor({\n    xref,\n    res,\n    image,\n    isInline = false,\n    smask = null,\n    mask = null,\n    isMask = false,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    this.image = image;\n    var dict = image.dict;\n\n    const filter = dict.get(\"Filter\");\n    if (isName(filter)) {\n      switch (filter.name) {\n        case \"JPXDecode\":\n          var jpxImage = new JpxImage();\n          jpxImage.parseImageProperties(image.stream);\n          image.stream.reset();\n\n          image.width = jpxImage.width;\n          image.height = jpxImage.height;\n          image.bitsPerComponent = jpxImage.bitsPerComponent;\n          image.numComps = jpxImage.componentsCount;\n          break;\n        case \"JBIG2Decode\":\n          image.bitsPerComponent = 1;\n          image.numComps = 1;\n          break;\n      }\n    }\n    // TODO cache rendered images?\n\n    let width = dict.get(\"Width\", \"W\");\n    let height = dict.get(\"Height\", \"H\");\n\n    if (\n      Number.isInteger(image.width) &&\n      image.width > 0 &&\n      Number.isInteger(image.height) &&\n      image.height > 0 &&\n      (image.width !== width || image.height !== height)\n    ) {\n      warn(\n        \"PDFImage - using the Width/Height of the image data, \" +\n          \"rather than the image dictionary.\"\n      );\n      width = image.width;\n      height = image.height;\n    }\n    if (width < 1 || height < 1) {\n      throw new FormatError(\n        `Invalid image width: ${width} or height: ${height}`\n      );\n    }\n    this.width = width;\n    this.height = height;\n\n    this.interpolate = dict.get(\"Interpolate\", \"I\") || false;\n    this.imageMask = dict.get(\"ImageMask\", \"IM\") || false;\n    this.matte = dict.get(\"Matte\") || false;\n\n    var bitsPerComponent = image.bitsPerComponent;\n    if (!bitsPerComponent) {\n      bitsPerComponent = dict.get(\"BitsPerComponent\", \"BPC\");\n      if (!bitsPerComponent) {\n        if (this.imageMask) {\n          bitsPerComponent = 1;\n        } else {\n          throw new FormatError(\n            `Bits per component missing in image: ${this.imageMask}`\n          );\n        }\n      }\n    }\n    this.bpc = bitsPerComponent;\n\n    if (!this.imageMask) {\n      let colorSpace = dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\");\n      if (!colorSpace) {\n        info(\"JPX images (which do not require color spaces)\");\n        switch (image.numComps) {\n          case 1:\n            colorSpace = Name.get(\"DeviceGray\");\n            break;\n          case 3:\n            colorSpace = Name.get(\"DeviceRGB\");\n            break;\n          case 4:\n            colorSpace = Name.get(\"DeviceCMYK\");\n            break;\n          default:\n            throw new Error(\n              `JPX images with ${image.numComps} ` +\n                \"color components not supported.\"\n            );\n        }\n      }\n      this.colorSpace = ColorSpace.parse({\n        cs: colorSpace,\n        xref,\n        resources: isInline ? res : null,\n        pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n      this.numComps = this.colorSpace.numComps;\n    }\n\n    this.decode = dict.getArray(\"Decode\", \"D\");\n    this.needsDecode = false;\n    if (\n      this.decode &&\n      ((this.colorSpace &&\n        !this.colorSpace.isDefaultDecode(this.decode, bitsPerComponent)) ||\n        (isMask &&\n          !ColorSpace.isDefaultDecode(this.decode, /* numComps = */ 1)))\n    ) {\n      this.needsDecode = true;\n      // Do some preprocessing to avoid more math.\n      var max = (1 << bitsPerComponent) - 1;\n      this.decodeCoefficients = [];\n      this.decodeAddends = [];\n      const isIndexed = this.colorSpace && this.colorSpace.name === \"Indexed\";\n      for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) {\n        var dmin = this.decode[i];\n        var dmax = this.decode[i + 1];\n        this.decodeCoefficients[j] = isIndexed\n          ? (dmax - dmin) / max\n          : dmax - dmin;\n        this.decodeAddends[j] = isIndexed ? dmin : max * dmin;\n      }\n    }\n\n    if (smask) {\n      this.smask = new PDFImage({\n        xref,\n        res,\n        image: smask,\n        isInline,\n        pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n    } else if (mask) {\n      if (isStream(mask)) {\n        var maskDict = mask.dict,\n          imageMask = maskDict.get(\"ImageMask\", \"IM\");\n        if (!imageMask) {\n          warn(\"Ignoring /Mask in image without /ImageMask.\");\n        } else {\n          this.mask = new PDFImage({\n            xref,\n            res,\n            image: mask,\n            isInline,\n            isMask: true,\n            pdfFunctionFactory,\n            localColorSpaceCache,\n          });\n        }\n      } else {\n        // Color key mask (just an array).\n        this.mask = mask;\n      }\n    }\n  }\n\n  /**\n   * Handles processing of image data and returns the Promise that is resolved\n   * with a PDFImage when the image is ready to be used.\n   */\n  static async buildImage({\n    xref,\n    res,\n    image,\n    isInline = false,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    const imageData = image;\n    let smaskData = null;\n    let maskData = null;\n\n    const smask = image.dict.get(\"SMask\");\n    const mask = image.dict.get(\"Mask\");\n\n    if (smask) {\n      smaskData = smask;\n    } else if (mask) {\n      if (isStream(mask) || Array.isArray(mask)) {\n        maskData = mask;\n      } else {\n        warn(\"Unsupported mask format.\");\n      }\n    }\n\n    return new PDFImage({\n      xref,\n      res,\n      image: imageData,\n      isInline,\n      smask: smaskData,\n      mask: maskData,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n  }\n\n  static createMask({\n    imgArray,\n    width,\n    height,\n    imageIsFromDecodeStream,\n    inverseDecode,\n  }) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        imgArray instanceof Uint8ClampedArray,\n        'PDFImage.createMask: Unsupported \"imgArray\" type.'\n      );\n    }\n    // |imgArray| might not contain full data for every pixel of the mask, so\n    // we need to distinguish between |computedLength| and |actualLength|.\n    // In particular, if inverseDecode is true, then the array we return must\n    // have a length of |computedLength|.\n\n    var computedLength = ((width + 7) >> 3) * height;\n    var actualLength = imgArray.byteLength;\n    var haveFullData = computedLength === actualLength;\n    var data, i;\n\n    if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) {\n      // imgArray came from a DecodeStream and its data is in an appropriate\n      // form, so we can just transfer it.\n      data = imgArray;\n    } else if (!inverseDecode) {\n      data = new Uint8ClampedArray(actualLength);\n      data.set(imgArray);\n    } else {\n      data = new Uint8ClampedArray(computedLength);\n      data.set(imgArray);\n      for (i = actualLength; i < computedLength; i++) {\n        data[i] = 0xff;\n      }\n    }\n\n    // If necessary, invert the original mask data (but not any extra we might\n    // have added above). It's safe to modify the array -- whether it's the\n    // original or a copy, we're about to transfer it anyway, so nothing else\n    // in this thread can be relying on its contents.\n    if (inverseDecode) {\n      for (i = 0; i < actualLength; i++) {\n        data[i] ^= 0xff;\n      }\n    }\n\n    return { data, width, height };\n  }\n\n  get drawWidth() {\n    return Math.max(\n      this.width,\n      (this.smask && this.smask.width) || 0,\n      (this.mask && this.mask.width) || 0\n    );\n  }\n\n  get drawHeight() {\n    return Math.max(\n      this.height,\n      (this.smask && this.smask.height) || 0,\n      (this.mask && this.mask.height) || 0\n    );\n  }\n\n  decodeBuffer(buffer) {\n    var bpc = this.bpc;\n    var numComps = this.numComps;\n\n    var decodeAddends = this.decodeAddends;\n    var decodeCoefficients = this.decodeCoefficients;\n    var max = (1 << bpc) - 1;\n    var i, ii;\n\n    if (bpc === 1) {\n      // If the buffer needed decode that means it just needs to be inverted.\n      for (i = 0, ii = buffer.length; i < ii; i++) {\n        buffer[i] = +!buffer[i];\n      }\n      return;\n    }\n    var index = 0;\n    for (i = 0, ii = this.width * this.height; i < ii; i++) {\n      for (var j = 0; j < numComps; j++) {\n        buffer[index] = decodeAndClamp(\n          buffer[index],\n          decodeAddends[j],\n          decodeCoefficients[j],\n          max\n        );\n        index++;\n      }\n    }\n  }\n\n  getComponents(buffer) {\n    var bpc = this.bpc;\n\n    // This image doesn't require any extra work.\n    if (bpc === 8) {\n      return buffer;\n    }\n\n    var width = this.width;\n    var height = this.height;\n    var numComps = this.numComps;\n\n    var length = width * height * numComps;\n    var bufferPos = 0;\n    let output;\n    if (bpc <= 8) {\n      output = new Uint8Array(length);\n    } else if (bpc <= 16) {\n      output = new Uint16Array(length);\n    } else {\n      output = new Uint32Array(length);\n    }\n    var rowComps = width * numComps;\n\n    var max = (1 << bpc) - 1;\n    var i = 0,\n      ii,\n      buf;\n\n    if (bpc === 1) {\n      // Optimization for reading 1 bpc images.\n      var mask, loop1End, loop2End;\n      for (var j = 0; j < height; j++) {\n        loop1End = i + (rowComps & ~7);\n        loop2End = i + rowComps;\n\n        // unroll loop for all full bytes\n        while (i < loop1End) {\n          buf = buffer[bufferPos++];\n          output[i] = (buf >> 7) & 1;\n          output[i + 1] = (buf >> 6) & 1;\n          output[i + 2] = (buf >> 5) & 1;\n          output[i + 3] = (buf >> 4) & 1;\n          output[i + 4] = (buf >> 3) & 1;\n          output[i + 5] = (buf >> 2) & 1;\n          output[i + 6] = (buf >> 1) & 1;\n          output[i + 7] = buf & 1;\n          i += 8;\n        }\n\n        // handle remaining bits\n        if (i < loop2End) {\n          buf = buffer[bufferPos++];\n          mask = 128;\n          while (i < loop2End) {\n            output[i++] = +!!(buf & mask);\n            mask >>= 1;\n          }\n        }\n      }\n    } else {\n      // The general case that handles all other bpc values.\n      var bits = 0;\n      buf = 0;\n      for (i = 0, ii = length; i < ii; ++i) {\n        if (i % rowComps === 0) {\n          buf = 0;\n          bits = 0;\n        }\n\n        while (bits < bpc) {\n          buf = (buf << 8) | buffer[bufferPos++];\n          bits += 8;\n        }\n\n        var remainingBits = bits - bpc;\n        let value = buf >> remainingBits;\n        if (value < 0) {\n          value = 0;\n        } else if (value > max) {\n          value = max;\n        }\n        output[i] = value;\n        buf = buf & ((1 << remainingBits) - 1);\n        bits = remainingBits;\n      }\n    }\n    return output;\n  }\n\n  fillOpacity(rgbaBuf, width, height, actualHeight, image) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        rgbaBuf instanceof Uint8ClampedArray,\n        'PDFImage.fillOpacity: Unsupported \"rgbaBuf\" type.'\n      );\n    }\n    var smask = this.smask;\n    var mask = this.mask;\n    var alphaBuf, sw, sh, i, ii, j;\n\n    if (smask) {\n      sw = smask.width;\n      sh = smask.height;\n      alphaBuf = new Uint8ClampedArray(sw * sh);\n      smask.fillGrayBuffer(alphaBuf);\n      if (sw !== width || sh !== height) {\n        alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height);\n      }\n    } else if (mask) {\n      if (mask instanceof PDFImage) {\n        sw = mask.width;\n        sh = mask.height;\n        alphaBuf = new Uint8ClampedArray(sw * sh);\n        mask.numComps = 1;\n        mask.fillGrayBuffer(alphaBuf);\n\n        // Need to invert values in rgbaBuf\n        for (i = 0, ii = sw * sh; i < ii; ++i) {\n          alphaBuf[i] = 255 - alphaBuf[i];\n        }\n\n        if (sw !== width || sh !== height) {\n          alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height);\n        }\n      } else if (Array.isArray(mask)) {\n        // Color key mask: if any of the components are outside the range\n        // then they should be painted.\n        alphaBuf = new Uint8ClampedArray(width * height);\n        var numComps = this.numComps;\n        for (i = 0, ii = width * height; i < ii; ++i) {\n          var opacity = 0;\n          var imageOffset = i * numComps;\n          for (j = 0; j < numComps; ++j) {\n            var color = image[imageOffset + j];\n            var maskOffset = j * 2;\n            if (color < mask[maskOffset] || color > mask[maskOffset + 1]) {\n              opacity = 255;\n              break;\n            }\n          }\n          alphaBuf[i] = opacity;\n        }\n      } else {\n        throw new FormatError(\"Unknown mask format.\");\n      }\n    }\n\n    if (alphaBuf) {\n      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {\n        rgbaBuf[j] = alphaBuf[i];\n      }\n    } else {\n      // No mask.\n      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {\n        rgbaBuf[j] = 255;\n      }\n    }\n  }\n\n  undoPreblend(buffer, width, height) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        buffer instanceof Uint8ClampedArray,\n        'PDFImage.undoPreblend: Unsupported \"buffer\" type.'\n      );\n    }\n    var matte = this.smask && this.smask.matte;\n    if (!matte) {\n      return;\n    }\n    var matteRgb = this.colorSpace.getRgb(matte, 0);\n    var matteR = matteRgb[0];\n    var matteG = matteRgb[1];\n    var matteB = matteRgb[2];\n    var length = width * height * 4;\n    for (var i = 0; i < length; i += 4) {\n      var alpha = buffer[i + 3];\n      if (alpha === 0) {\n        // according formula we have to get Infinity in all components\n        // making it white (typical paper color) should be okay\n        buffer[i] = 255;\n        buffer[i + 1] = 255;\n        buffer[i + 2] = 255;\n        continue;\n      }\n      var k = 255 / alpha;\n      buffer[i] = (buffer[i] - matteR) * k + matteR;\n      buffer[i + 1] = (buffer[i + 1] - matteG) * k + matteG;\n      buffer[i + 2] = (buffer[i + 2] - matteB) * k + matteB;\n    }\n  }\n\n  createImageData(forceRGBA = false) {\n    var drawWidth = this.drawWidth;\n    var drawHeight = this.drawHeight;\n    var imgData = {\n      width: drawWidth,\n      height: drawHeight,\n      kind: 0,\n      data: null,\n      // Other fields are filled in below.\n    };\n\n    var numComps = this.numComps;\n    var originalWidth = this.width;\n    var originalHeight = this.height;\n    var bpc = this.bpc;\n\n    // Rows start at byte boundary.\n    var rowBytes = (originalWidth * numComps * bpc + 7) >> 3;\n    var imgArray;\n\n    if (!forceRGBA) {\n      // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image\n      // without any complications, we pass a same-sized copy to the main\n      // thread rather than expanding by 32x to RGBA form. This saves *lots*\n      // of memory for many scanned documents. It's also much faster.\n      //\n      // Similarly, if it is a 24-bit-per pixel RGB image without any\n      // complications, we avoid expanding by 1.333x to RGBA form.\n      var kind;\n      if (this.colorSpace.name === \"DeviceGray\" && bpc === 1) {\n        kind = ImageKind.GRAYSCALE_1BPP;\n      } else if (\n        this.colorSpace.name === \"DeviceRGB\" &&\n        bpc === 8 &&\n        !this.needsDecode\n      ) {\n        kind = ImageKind.RGB_24BPP;\n      }\n      if (\n        kind &&\n        !this.smask &&\n        !this.mask &&\n        drawWidth === originalWidth &&\n        drawHeight === originalHeight\n      ) {\n        imgData.kind = kind;\n\n        imgArray = this.getImageBytes(originalHeight * rowBytes);\n        // If imgArray came from a DecodeStream, we're safe to transfer it\n        // (and thus detach its underlying buffer) because it will constitute\n        // the entire DecodeStream's data.  But if it came from a Stream, we\n        // need to copy it because it'll only be a portion of the Stream's\n        // data, and the rest will be read later on.\n        if (this.image instanceof DecodeStream) {\n          imgData.data = imgArray;\n        } else {\n          var newArray = new Uint8ClampedArray(imgArray.length);\n          newArray.set(imgArray);\n          imgData.data = newArray;\n        }\n        if (this.needsDecode) {\n          // Invert the buffer (which must be grayscale if we reached here).\n          assert(\n            kind === ImageKind.GRAYSCALE_1BPP,\n            \"PDFImage.createImageData: The image must be grayscale.\"\n          );\n          var buffer = imgData.data;\n          for (var i = 0, ii = buffer.length; i < ii; i++) {\n            buffer[i] ^= 0xff;\n          }\n        }\n        return imgData;\n      }\n      if (this.image instanceof JpegStream && !this.smask && !this.mask) {\n        let imageLength = originalHeight * rowBytes;\n        switch (this.colorSpace.name) {\n          case \"DeviceGray\":\n            // Avoid truncating the image, since `JpegImage.getData`\n            // will expand the image data when `forceRGB === true`.\n            imageLength *= 3;\n          /* falls through */\n          case \"DeviceRGB\":\n          case \"DeviceCMYK\":\n            imgData.kind = ImageKind.RGB_24BPP;\n            imgData.data = this.getImageBytes(\n              imageLength,\n              drawWidth,\n              drawHeight,\n              /* forceRGB = */ true\n            );\n            return imgData;\n        }\n      }\n    }\n\n    imgArray = this.getImageBytes(originalHeight * rowBytes);\n    // imgArray can be incomplete (e.g. after CCITT fax encoding).\n    var actualHeight =\n      0 | (((imgArray.length / rowBytes) * drawHeight) / originalHeight);\n\n    var comps = this.getComponents(imgArray);\n\n    // If opacity data is present, use RGBA_32BPP form. Otherwise, use the\n    // more compact RGB_24BPP form if allowable.\n    var alpha01, maybeUndoPreblend;\n    if (!forceRGBA && !this.smask && !this.mask) {\n      imgData.kind = ImageKind.RGB_24BPP;\n      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 3);\n      alpha01 = 0;\n      maybeUndoPreblend = false;\n    } else {\n      imgData.kind = ImageKind.RGBA_32BPP;\n      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 4);\n      alpha01 = 1;\n      maybeUndoPreblend = true;\n\n      // Color key masking (opacity) must be performed before decoding.\n      this.fillOpacity(\n        imgData.data,\n        drawWidth,\n        drawHeight,\n        actualHeight,\n        comps\n      );\n    }\n\n    if (this.needsDecode) {\n      this.decodeBuffer(comps);\n    }\n    this.colorSpace.fillRgb(\n      imgData.data,\n      originalWidth,\n      originalHeight,\n      drawWidth,\n      drawHeight,\n      actualHeight,\n      bpc,\n      comps,\n      alpha01\n    );\n    if (maybeUndoPreblend) {\n      this.undoPreblend(imgData.data, drawWidth, actualHeight);\n    }\n\n    return imgData;\n  }\n\n  fillGrayBuffer(buffer) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        buffer instanceof Uint8ClampedArray,\n        'PDFImage.fillGrayBuffer: Unsupported \"buffer\" type.'\n      );\n    }\n    var numComps = this.numComps;\n    if (numComps !== 1) {\n      throw new FormatError(\n        `Reading gray scale from a color image: ${numComps}`\n      );\n    }\n\n    var width = this.width;\n    var height = this.height;\n    var bpc = this.bpc;\n\n    // rows start at byte boundary\n    var rowBytes = (width * numComps * bpc + 7) >> 3;\n    var imgArray = this.getImageBytes(height * rowBytes);\n\n    var comps = this.getComponents(imgArray);\n    var i, length;\n\n    if (bpc === 1) {\n      // inline decoding (= inversion) for 1 bpc images\n      length = width * height;\n      if (this.needsDecode) {\n        // invert and scale to {0, 255}\n        for (i = 0; i < length; ++i) {\n          buffer[i] = (comps[i] - 1) & 255;\n        }\n      } else {\n        // scale to {0, 255}\n        for (i = 0; i < length; ++i) {\n          buffer[i] = -comps[i] & 255;\n        }\n      }\n      return;\n    }\n\n    if (this.needsDecode) {\n      this.decodeBuffer(comps);\n    }\n    length = width * height;\n    // we aren't using a colorspace so we need to scale the value\n    var scale = 255 / ((1 << bpc) - 1);\n    for (i = 0; i < length; ++i) {\n      buffer[i] = scale * comps[i];\n    }\n  }\n\n  getImageBytes(length, drawWidth, drawHeight, forceRGB = false) {\n    this.image.reset();\n    this.image.drawWidth = drawWidth || this.width;\n    this.image.drawHeight = drawHeight || this.height;\n    this.image.forceRGB = !!forceRGB;\n    return this.image.getBytes(length, /* forceClamped = */ true);\n  }\n}\n\nexport { PDFImage };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error, prefer-const: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n  UnexpectedResponseException,\n  UnknownErrorException,\n} from \"./util.js\";\n\nconst CallbackKind = {\n  UNKNOWN: 0,\n  DATA: 1,\n  ERROR: 2,\n};\n\nconst StreamKind = {\n  UNKNOWN: 0,\n  CANCEL: 1,\n  CANCEL_COMPLETE: 2,\n  CLOSE: 3,\n  ENQUEUE: 4,\n  ERROR: 5,\n  PULL: 6,\n  PULL_COMPLETE: 7,\n  START_COMPLETE: 8,\n};\n\nfunction wrapReason(reason) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'wrapReason: Expected \"reason\" to be a (possibly cloned) Error.'\n    );\n  } else {\n    if (typeof reason !== \"object\" || reason === null) {\n      return reason;\n    }\n  }\n  switch (reason.name) {\n    case \"AbortException\":\n      return new AbortException(reason.message);\n    case \"MissingPDFException\":\n      return new MissingPDFException(reason.message);\n    case \"UnexpectedResponseException\":\n      return new UnexpectedResponseException(reason.message, reason.status);\n    case \"UnknownErrorException\":\n      return new UnknownErrorException(reason.message, reason.details);\n    default:\n      return new UnknownErrorException(reason.message, reason.toString());\n  }\n}\n\nclass MessageHandler {\n  constructor(sourceName, targetName, comObj) {\n    this.sourceName = sourceName;\n    this.targetName = targetName;\n    this.comObj = comObj;\n    this.callbackId = 1;\n    this.streamId = 1;\n    this.postMessageTransfers = true;\n    this.streamSinks = Object.create(null);\n    this.streamControllers = Object.create(null);\n    this.callbackCapabilities = Object.create(null);\n    this.actionHandler = Object.create(null);\n\n    this._onComObjOnMessage = event => {\n      const data = event.data;\n      if (data.targetName !== this.sourceName) {\n        return;\n      }\n      if (data.stream) {\n        this._processStreamMessage(data);\n        return;\n      }\n      if (data.callback) {\n        const callbackId = data.callbackId;\n        const capability = this.callbackCapabilities[callbackId];\n        if (!capability) {\n          throw new Error(`Cannot resolve callback ${callbackId}`);\n        }\n        delete this.callbackCapabilities[callbackId];\n\n        if (data.callback === CallbackKind.DATA) {\n          capability.resolve(data.data);\n        } else if (data.callback === CallbackKind.ERROR) {\n          capability.reject(wrapReason(data.reason));\n        } else {\n          throw new Error(\"Unexpected callback case\");\n        }\n        return;\n      }\n      const action = this.actionHandler[data.action];\n      if (!action) {\n        throw new Error(`Unknown action from worker: ${data.action}`);\n      }\n      if (data.callbackId) {\n        const cbSourceName = this.sourceName;\n        const cbTargetName = data.sourceName;\n        new Promise(function (resolve) {\n          resolve(action(data.data));\n        }).then(\n          function (result) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.DATA,\n              callbackId: data.callbackId,\n              data: result,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.ERROR,\n              callbackId: data.callbackId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        return;\n      }\n      if (data.streamId) {\n        this._createStreamSink(data);\n        return;\n      }\n      action(data.data);\n    };\n    comObj.addEventListener(\"message\", this._onComObjOnMessage);\n  }\n\n  on(actionName, handler) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        typeof handler === \"function\",\n        'MessageHandler.on: Expected \"handler\" to be a function.'\n      );\n    }\n    const ah = this.actionHandler;\n    if (ah[actionName]) {\n      throw new Error(`There is already an actionName called \"${actionName}\"`);\n    }\n    ah[actionName] = handler;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   */\n  send(actionName, data, transfers) {\n    this._postMessage(\n      {\n        sourceName: this.sourceName,\n        targetName: this.targetName,\n        action: actionName,\n        data,\n      },\n      transfers\n    );\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expects that the other side will callback with the response.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {Promise} Promise to be resolved with response data.\n   */\n  sendWithPromise(actionName, data, transfers) {\n    const callbackId = this.callbackId++;\n    const capability = createPromiseCapability();\n    this.callbackCapabilities[callbackId] = capability;\n    try {\n      this._postMessage(\n        {\n          sourceName: this.sourceName,\n          targetName: this.targetName,\n          action: actionName,\n          callbackId,\n          data,\n        },\n        transfers\n      );\n    } catch (ex) {\n      capability.reject(ex);\n    }\n    return capability.promise;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expect that the other side will callback to signal 'start_complete'.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Object} queueingStrategy - Strategy to signal backpressure based on\n   *                 internal queue.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {ReadableStream} ReadableStream to read data in chunks.\n   */\n  sendWithStream(actionName, data, queueingStrategy, transfers) {\n    const streamId = this.streamId++;\n    const sourceName = this.sourceName;\n    const targetName = this.targetName;\n    const comObj = this.comObj;\n\n    return new ReadableStream(\n      {\n        start: controller => {\n          const startCapability = createPromiseCapability();\n          this.streamControllers[streamId] = {\n            controller,\n            startCall: startCapability,\n            pullCall: null,\n            cancelCall: null,\n            isClosed: false,\n          };\n          this._postMessage(\n            {\n              sourceName,\n              targetName,\n              action: actionName,\n              streamId,\n              data,\n              desiredSize: controller.desiredSize,\n            },\n            transfers\n          );\n          // Return Promise for Async process, to signal success/failure.\n          return startCapability.promise;\n        },\n\n        pull: controller => {\n          const pullCapability = createPromiseCapability();\n          this.streamControllers[streamId].pullCall = pullCapability;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL,\n            streamId,\n            desiredSize: controller.desiredSize,\n          });\n          // Returning Promise will not call \"pull\"\n          // again until current pull is resolved.\n          return pullCapability.promise;\n        },\n\n        cancel: reason => {\n          assert(reason instanceof Error, \"cancel must have a valid reason\");\n          const cancelCapability = createPromiseCapability();\n          this.streamControllers[streamId].cancelCall = cancelCapability;\n          this.streamControllers[streamId].isClosed = true;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.CANCEL,\n            streamId,\n            reason: wrapReason(reason),\n          });\n          // Return Promise to signal success or failure.\n          return cancelCapability.promise;\n        },\n      },\n      queueingStrategy\n    );\n  }\n\n  /**\n   * @private\n   */\n  _createStreamSink(data) {\n    const self = this;\n    const action = this.actionHandler[data.action];\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    const streamSink = {\n      enqueue(chunk, size = 1, transfers) {\n        if (this.isCancelled) {\n          return;\n        }\n        const lastDesiredSize = this.desiredSize;\n        this.desiredSize -= size;\n        // Enqueue decreases the desiredSize property of sink,\n        // so when it changes from positive to negative,\n        // set ready as unresolved promise.\n        if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n          this.sinkCapability = createPromiseCapability();\n          this.ready = this.sinkCapability.promise;\n        }\n        self._postMessage(\n          {\n            sourceName,\n            targetName,\n            stream: StreamKind.ENQUEUE,\n            streamId,\n            chunk,\n          },\n          transfers\n        );\n      },\n\n      close() {\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.CLOSE,\n          streamId,\n        });\n        delete self.streamSinks[streamId];\n      },\n\n      error(reason) {\n        assert(reason instanceof Error, \"error must have a valid reason\");\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.ERROR,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      },\n\n      sinkCapability: createPromiseCapability(),\n      onPull: null,\n      onCancel: null,\n      isCancelled: false,\n      desiredSize: data.desiredSize,\n      ready: null,\n    };\n\n    streamSink.sinkCapability.resolve();\n    streamSink.ready = streamSink.sinkCapability.promise;\n    this.streamSinks[streamId] = streamSink;\n    new Promise(function (resolve) {\n      resolve(action(data.data, streamSink));\n    }).then(\n      function () {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          success: true,\n        });\n      },\n      function (reason) {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      }\n    );\n  }\n\n  /**\n   * @private\n   */\n  _processStreamMessage(data) {\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    switch (data.stream) {\n      case StreamKind.START_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].startCall.resolve();\n        } else {\n          this.streamControllers[streamId].startCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].pullCall.resolve();\n        } else {\n          this.streamControllers[streamId].pullCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL:\n        // Ignore any pull after close is called.\n        if (!this.streamSinks[streamId]) {\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL_COMPLETE,\n            streamId,\n            success: true,\n          });\n          break;\n        }\n        // Pull increases the desiredSize property of sink,\n        // so when it changes from negative to positive,\n        // set ready property as resolved promise.\n        if (\n          this.streamSinks[streamId].desiredSize <= 0 &&\n          data.desiredSize > 0\n        ) {\n          this.streamSinks[streamId].sinkCapability.resolve();\n        }\n        // Reset desiredSize property of sink on every pull.\n        this.streamSinks[streamId].desiredSize = data.desiredSize;\n        const { onPull } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onPull && onPull());\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        break;\n      case StreamKind.ENQUEUE:\n        assert(\n          this.streamControllers[streamId],\n          \"enqueue should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].controller.enqueue(data.chunk);\n        break;\n      case StreamKind.CLOSE:\n        assert(\n          this.streamControllers[streamId],\n          \"close should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].isClosed = true;\n        this.streamControllers[streamId].controller.close();\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.ERROR:\n        assert(\n          this.streamControllers[streamId],\n          \"error should have stream controller\"\n        );\n        this.streamControllers[streamId].controller.error(\n          wrapReason(data.reason)\n        );\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].cancelCall.resolve();\n        } else {\n          this.streamControllers[streamId].cancelCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL:\n        if (!this.streamSinks[streamId]) {\n          break;\n        }\n        const { onCancel } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onCancel && onCancel(wrapReason(data.reason)));\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        this.streamSinks[streamId].sinkCapability.reject(\n          wrapReason(data.reason)\n        );\n        this.streamSinks[streamId].isCancelled = true;\n        delete this.streamSinks[streamId];\n        break;\n      default:\n        throw new Error(\"Unexpected stream case\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _deleteStreamController(streamId) {\n    // Delete the `streamController` only when the start, pull, and cancel\n    // capabilities have settled, to prevent `TypeError`s.\n    await Promise.allSettled(\n      [\n        this.streamControllers[streamId].startCall,\n        this.streamControllers[streamId].pullCall,\n        this.streamControllers[streamId].cancelCall,\n      ].map(function (capability) {\n        return capability && capability.promise;\n      })\n    );\n    delete this.streamControllers[streamId];\n  }\n\n  /**\n   * Sends raw message to the comObj.\n   * @param {Object} message - Raw message.\n   * @param transfers List of transfers/ArrayBuffers, or undefined.\n   * @private\n   */\n  _postMessage(message, transfers) {\n    if (transfers && this.postMessageTransfers) {\n      this.comObj.postMessage(message, transfers);\n    } else {\n      this.comObj.postMessage(message);\n    }\n  }\n\n  destroy() {\n    this.comObj.removeEventListener(\"message\", this._onComObjOnMessage);\n  }\n}\n\nexport { MessageHandler };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert } from \"../shared/util.js\";\n\n/** @implements {IPDFStream} */\nclass PDFWorkerStream {\n  constructor(msgHandler) {\n    this._msgHandler = msgHandler;\n    this._contentLength = null;\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFWorkerStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFWorkerStreamReader(this._msgHandler);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    const reader = new PDFWorkerStreamRangeReader(begin, end, this._msgHandler);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFWorkerStreamReader {\n  constructor(msgHandler) {\n    this._msgHandler = msgHandler;\n    this.onProgress = null;\n\n    this._contentLength = null;\n    this._isRangeSupported = false;\n    this._isStreamingSupported = false;\n\n    const readableStream = this._msgHandler.sendWithStream(\"GetReader\");\n    this._reader = readableStream.getReader();\n\n    this._headersReady = this._msgHandler\n      .sendWithPromise(\"ReaderHeadersReady\")\n      .then(data => {\n        this._isStreamingSupported = data.isStreamingSupported;\n        this._isRangeSupported = data.isRangeSupported;\n        this._contentLength = data.contentLength;\n      });\n  }\n\n  get headersReady() {\n    return this._headersReady;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  async read() {\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value: undefined, done: true };\n    }\n    // `value` is wrapped into Uint8Array, we need to\n    // unwrap it to ArrayBuffer for further processing.\n    return { value: value.buffer, done: false };\n  }\n\n  cancel(reason) {\n    this._reader.cancel(reason);\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFWorkerStreamRangeReader {\n  constructor(begin, end, msgHandler) {\n    this._msgHandler = msgHandler;\n    this.onProgress = null;\n\n    const readableStream = this._msgHandler.sendWithStream(\"GetRangeReader\", {\n      begin,\n      end,\n    });\n    this._reader = readableStream.getReader();\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value: undefined, done: true };\n    }\n    return { value: value.buffer, done: false };\n  }\n\n  cancel(reason) {\n    this._reader.cancel(reason);\n  }\n}\n\nexport { PDFWorkerStream };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/build/pdf.worker.min.js b/node_modules/pdfjs-dist/build/pdf.worker.min.js
new file mode 100644
index 00000000..ba03f477
--- /dev/null
+++ b/node_modules/pdfjs-dist/build/pdf.worker.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf.worker",[],t):"object"==typeof exports?exports["pdfjs-dist/build/pdf.worker"]=t():e["pdfjs-dist/build/pdf.worker"]=e.pdfjsWorker=t()}(this,(function(){return function(e){var t={};function __w_pdfjs_require__(r){if(t[r])return t[r].exports;var a=t[r]={i:r,l:!1,exports:{}};e[r].call(a.exports,a,a.exports,__w_pdfjs_require__);a.l=!0;return a.exports}__w_pdfjs_require__.m=e;__w_pdfjs_require__.c=t;__w_pdfjs_require__.d=function(e,t,r){__w_pdfjs_require__.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})};__w_pdfjs_require__.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"});Object.defineProperty(e,"__esModule",{value:!0})};__w_pdfjs_require__.t=function(e,t){1&t&&(e=__w_pdfjs_require__(e));if(8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);__w_pdfjs_require__.r(r);Object.defineProperty(r,"default",{enumerable:!0,value:e});if(2&t&&"string"!=typeof e)for(var a in e)__w_pdfjs_require__.d(r,a,function(t){return e[t]}.bind(null,a));return r};__w_pdfjs_require__.n=function(e){var t=e&&e.__esModule?function getDefault(){return e.default}:function getModuleExports(){return e};__w_pdfjs_require__.d(t,"a",t);return t};__w_pdfjs_require__.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};__w_pdfjs_require__.p="";return __w_pdfjs_require__(__w_pdfjs_require__.s=0)}([function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});Object.defineProperty(t,"WorkerMessageHandler",{enumerable:!0,get:function(){return a.WorkerMessageHandler}});var a=r(1)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.WorkerMessageHandler=t.WorkerTask=void 0;var a=r(2),i=r(5),n=r(6),s=r(27),o=r(4),c=r(46),l=r(47),h=r(8);class WorkerTask{constructor(e){this.name=e;this.terminated=!1;this._capability=(0,a.createPromiseCapability)()}get finished(){return this._capability.promise}finish(){this._capability.resolve()}terminate(){this.terminated=!0}ensureNotTerminated(){if(this.terminated)throw new Error("Worker task was terminated")}}t.WorkerTask=WorkerTask;class WorkerMessageHandler{static setup(e,t){var r=!1;e.on("test",(function wphSetupTest(t){if(r)return;r=!0;if(!(t instanceof Uint8Array)){e.send("test",null);return}const a=255===t[0];e.postMessageTransfers=a;e.send("test",{supportTransfers:a})}));e.on("configure",(function wphConfigure(e){(0,a.setVerbosityLevel)(e.verbosity)}));e.on("GetDocRequest",(function wphSetupDoc(e){return WorkerMessageHandler.createDocumentHandler(e,t)}))}static createDocumentHandler(e,t){var r,o=!1,u=null,d=[];const f=(0,a.getVerbosityLevel)(),g=e.apiVersion;if("2.6.347"!==g)throw new Error(`The API version "${g}" does not match the Worker version "2.6.347".`);const m=[];for(const e in[])m.push(e);if(m.length)throw new Error("The `Array.prototype` contains unexpected enumerable properties: "+m.join(", ")+"; thus breaking e.g. `for...in` iteration of `Array`s.");if("undefined"==typeof ReadableStream||void 0===Promise.allSettled)throw new Error("The browser/environment lacks native support for critical functionality used by the PDF.js library (e.g. `ReadableStream` and/or `Promise.allSettled`); please use an ES5-compatible build instead.");var p=e.docId,b=e.docBaseUrl,y=e.docId+"_worker",v=new c.MessageHandler(y,p,t);v.postMessageTransfers=e.postMessageTransfers;function ensureNotTerminated(){if(o)throw new Error("Worker was terminated")}function startWorkerTask(e){d.push(e)}function finishWorkerTask(e){e.finish();var t=d.indexOf(e);d.splice(t,1)}async function loadDocument(e){await r.ensureDoc("checkHeader");await r.ensureDoc("parseStartXRef");await r.ensureDoc("parse",[e]);e||await r.ensureDoc("checkFirstPage");const[t,a]=await Promise.all([r.ensureDoc("numPages"),r.ensureDoc("fingerprint")]);return{numPages:t,fingerprint:a}}function getPdfManager(e,t){var r=(0,a.createPromiseCapability)();let i;var s=e.source;if(s.data){try{i=new n.LocalPdfManager(p,s.data,s.password,t,b);r.resolve(i)}catch(e){r.reject(e)}return r.promise}var o,c=[];try{o=new l.PDFWorkerStream(v)}catch(e){r.reject(e);return r.promise}var h=o.getFullReader();h.headersReady.then((function(){if(h.isRangeSupported){var e=s.disableAutoFetch||h.isStreamingSupported;i=new n.NetworkPdfManager(p,o,{msgHandler:v,password:s.password,length:h.contentLength,disableAutoFetch:e,rangeChunkSize:s.rangeChunkSize},t,b);for(let e=0;e<c.length;e++)i.sendProgressiveData(c[e]);c=[];r.resolve(i);u=null}})).catch((function(e){r.reject(e);u=null}));var d=0;new Promise((function(e,o){var readChunk=function({value:e,done:l}){try{ensureNotTerminated();if(l){i||function(){var e=(0,a.arraysToBytes)(c);s.length&&e.length!==s.length&&(0,a.warn)("reported HTTP length is different from actual");try{i=new n.LocalPdfManager(p,e,s.password,t,b);r.resolve(i)}catch(e){r.reject(e)}c=[]}();u=null;return}d+=(0,a.arrayByteLength)(e);h.isStreamingSupported||v.send("DocProgress",{loaded:d,total:Math.max(d,h.contentLength||0)});i?i.sendProgressiveData(e):c.push(e);h.read().then(readChunk,o)}catch(e){o(e)}};h.read().then(readChunk,o)})).catch((function(e){r.reject(e);u=null}));u=function(e){o.cancelAllRequests(e)};return r.promise}v.on("GetPage",(function wphSetupGetPage(e){return r.getPage(e.pageIndex).then((function(e){return Promise.all([r.ensure(e,"rotate"),r.ensure(e,"ref"),r.ensure(e,"userUnit"),r.ensure(e,"view")]).then((function([e,t,r,a]){return{rotate:e,ref:t,userUnit:r,view:a}}))}))}));v.on("GetPageIndex",(function wphSetupGetPageIndex({ref:e}){const t=i.Ref.get(e.num,e.gen);return r.ensureCatalog("getPageIndex",[t])}));v.on("GetDestinations",(function wphSetupGetDestinations(e){return r.ensureCatalog("destinations")}));v.on("GetDestination",(function wphSetupGetDestination(e){return r.ensureCatalog("getDestination",[e.id])}));v.on("GetPageLabels",(function wphSetupGetPageLabels(e){return r.ensureCatalog("pageLabels")}));v.on("GetPageLayout",(function wphSetupGetPageLayout(e){return r.ensureCatalog("pageLayout")}));v.on("GetPageMode",(function wphSetupGetPageMode(e){return r.ensureCatalog("pageMode")}));v.on("GetViewerPreferences",(function(e){return r.ensureCatalog("viewerPreferences")}));v.on("GetOpenAction",(function(e){return r.ensureCatalog("openAction")}));v.on("GetAttachments",(function wphSetupGetAttachments(e){return r.ensureCatalog("attachments")}));v.on("GetJavaScript",(function wphSetupGetJavaScript(e){return r.ensureCatalog("javaScript")}));v.on("GetOutline",(function wphSetupGetOutline(e){return r.ensureCatalog("documentOutline")}));v.on("GetOptionalContentConfig",(function(e){return r.ensureCatalog("optionalContentConfig")}));v.on("GetPermissions",(function(e){return r.ensureCatalog("permissions")}));v.on("GetMetadata",(function wphSetupGetMetadata(e){return Promise.all([r.ensureDoc("documentInfo"),r.ensureCatalog("metadata")])}));v.on("GetData",(function wphSetupGetData(e){r.requestLoadedStream();return r.onLoadedStream().then((function(e){return e.bytes}))}));v.on("GetStats",(function wphSetupGetStats(e){return r.ensureXRef("stats")}));v.on("GetAnnotations",(function({pageIndex:e,intent:t}){return r.getPage(e).then((function(e){return e.getAnnotationsData(t)}))}));v.on("SaveDocument",(function({numPages:e,annotationStorage:t,filename:i}){r.requestLoadedStream();const n=[r.onLoadedStream()],o=r.pdfDocument;for(let a=0;a<e;a++)n.push(r.getPage(a).then((function(e){const r=new WorkerTask("Save: page "+a);return e.save(v,r,t)})));return Promise.all(n).then(([e,...t])=>{let r=[];for(const e of t)r=e.filter(e=>null!==e).reduce((e,t)=>e.concat(t),r);if(0===r.length)return e.bytes;const n=o.xref;let c=Object.create(null);if(n.trailer){const e=Object.create(null),t=n.trailer.get("Info")||null;t&&t.forEach((t,r)=>{(0,a.isString)(t)&&(0,a.isString)(r)&&(e[t]=(0,a.stringToPDFString)(r))});c={rootRef:n.trailer.getRaw("Root")||null,encrypt:n.trailer.getRaw("Encrypt")||null,newRef:n.getNewRef(),infoRef:n.trailer.getRaw("Info")||null,info:e,fileIds:n.trailer.getRaw("ID")||null,startXRef:o.startXRef,filename:i}}n.resetNewRef();return(0,s.incrementalUpdate)(e.bytes,c,r)})}));v.on("GetOperatorList",(function wphSetupRenderPage(e,t){var i=e.pageIndex;r.getPage(i).then((function(r){var n=new WorkerTask("GetOperatorList: page "+i);startWorkerTask(n);const s=f>=a.VerbosityLevel.INFOS?Date.now():0;r.getOperatorList({handler:v,sink:t,task:n,intent:e.intent,renderInteractiveForms:e.renderInteractiveForms,annotationStorage:e.annotationStorage}).then((function(e){finishWorkerTask(n);s&&(0,a.info)(`page=${i+1} - getOperatorList: time=${Date.now()-s}ms, len=${e.length}`);t.close()}),(function(e){finishWorkerTask(n);if(!n.terminated){v.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorOperatorList});t.error(e)}}))}))}),this);v.on("GetTextContent",(function wphExtractText(e,t){var i=e.pageIndex;t.onPull=function(e){};t.onCancel=function(e){};r.getPage(i).then((function(r){var n=new WorkerTask("GetTextContent: page "+i);startWorkerTask(n);const s=f>=a.VerbosityLevel.INFOS?Date.now():0;r.extractTextContent({handler:v,task:n,sink:t,normalizeWhitespace:e.normalizeWhitespace,combineTextItems:e.combineTextItems}).then((function(){finishWorkerTask(n);s&&(0,a.info)(`page=${i+1} - getTextContent: time=`+(Date.now()-s)+"ms");t.close()}),(function(e){finishWorkerTask(n);n.terminated||t.error(e)}))}))}));v.on("FontFallback",(function(e){return r.fontFallback(e.id,v)}));v.on("Cleanup",(function wphCleanup(e){return r.cleanup(!0)}));v.on("Terminate",(function wphTerminate(e){o=!0;const t=[];if(r){r.terminate(new a.AbortException("Worker was terminated."));const e=r.cleanup();t.push(e);r=null}else(0,i.clearPrimitiveCaches)();u&&u(new a.AbortException("Worker was terminated."));d.forEach((function(e){t.push(e.finished);e.terminate()}));return Promise.all(t).then((function(){v.destroy();v=null}))}));v.on("Ready",(function wphReady(t){!function setupDoc(e){function onSuccess(e){ensureNotTerminated();v.send("GetDoc",{pdfInfo:e})}function onFailure(e){ensureNotTerminated();if(e instanceof a.PasswordException){var t=new WorkerTask("PasswordException: response "+e.code);startWorkerTask(t);v.sendWithPromise("PasswordRequest",e).then((function({password:e}){finishWorkerTask(t);r.updatePassword(e);pdfManagerReady()})).catch((function(){finishWorkerTask(t);v.send("DocException",e)}))}else e instanceof a.InvalidPDFException||e instanceof a.MissingPDFException||e instanceof a.UnexpectedResponseException||e instanceof a.UnknownErrorException?v.send("DocException",e):v.send("DocException",new a.UnknownErrorException(e.message,e.toString()))}function pdfManagerReady(){ensureNotTerminated();loadDocument(!1).then(onSuccess,(function(e){ensureNotTerminated();if(e instanceof h.XRefParseException){r.requestLoadedStream();r.onLoadedStream().then((function(){ensureNotTerminated();loadDocument(!0).then(onSuccess,onFailure)}))}else onFailure(e)}))}ensureNotTerminated();getPdfManager(e,{maxImageSize:e.maxImageSize,disableFontFace:e.disableFontFace,ignoreErrors:e.ignoreErrors,isEvalSupported:e.isEvalSupported,fontExtraProperties:e.fontExtraProperties}).then((function(e){if(o){e.terminate(new a.AbortException("Worker was terminated."));throw new Error("Worker was terminated")}(r=e).onLoadedStream().then((function(e){v.send("DataLoaded",{length:e.bytes.byteLength})}))})).then(pdfManagerReady,onFailure)}(e);e=null}));return y}static initializeFromPort(e){var t=new c.MessageHandler("worker","main",e);WorkerMessageHandler.setup(t,e);t.send("ready",null)}}t.WorkerMessageHandler=WorkerMessageHandler;"undefined"==typeof window&&!o.isNodeJS&&"undefined"!=typeof self&&function isMessagePort(e){return"function"==typeof e.postMessage&&"onmessage"in e}(self)&&WorkerMessageHandler.initializeFromPort(self)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.arrayByteLength=arrayByteLength;t.arraysToBytes=function arraysToBytes(e){const t=e.length;if(1===t&&e[0]instanceof Uint8Array)return e[0];let r=0;for(let a=0;a<t;a++)r+=arrayByteLength(e[a]);let a=0;const i=new Uint8Array(r);for(let r=0;r<t;r++){let t=e[r];t instanceof Uint8Array||(t="string"==typeof t?stringToBytes(t):new Uint8Array(t));const n=t.byteLength;i.set(t,a);a+=n}return i};t.assert=assert;t.bytesToString=function bytesToString(e){assert(null!==e&&"object"==typeof e&&void 0!==e.length,"Invalid argument for bytesToString");const t=e.length;if(t<8192)return String.fromCharCode.apply(null,e);const r=[];for(let a=0;a<t;a+=8192){const i=Math.min(a+8192,t),n=e.subarray(a,i);r.push(String.fromCharCode.apply(null,n))}return r.join("")};t.createPromiseCapability=function createPromiseCapability(){const e=Object.create(null);let t=!1;Object.defineProperty(e,"settled",{get:()=>t});e.promise=new Promise((function(r,a){e.resolve=function(e){t=!0;r(e)};e.reject=function(e){t=!0;a(e)}}));return e};t.escapeString=function escapeString(e){return e.replace(/([\(\)\\])/g,"\\$1")};t.getModificationDate=function getModificationDate(e=new Date(Date.now())){return[e.getUTCFullYear().toString(),(e.getUTCMonth()+1).toString().padStart(2,"0"),(e.getUTCDate()+1).toString().padStart(2,"0"),e.getUTCHours().toString().padStart(2,"0"),e.getUTCMinutes().toString().padStart(2,"0"),e.getUTCSeconds().toString().padStart(2,"0")].join("")};t.getVerbosityLevel=function getVerbosityLevel(){return i};t.info=function info(e){i>=a.INFOS&&console.log("Info: "+e)};t.isArrayBuffer=function isArrayBuffer(e){return"object"==typeof e&&null!==e&&void 0!==e.byteLength};t.isArrayEqual=function isArrayEqual(e,t){if(e.length!==t.length)return!1;return e.every((function(e,r){return e===t[r]}))};t.isBool=function isBool(e){return"boolean"==typeof e};t.isNum=function isNum(e){return"number"==typeof e};t.isString=function isString(e){return"string"==typeof e};t.isSameOrigin=function isSameOrigin(e,t){let r;try{r=new URL(e);if(!r.origin||"null"===r.origin)return!1}catch(e){return!1}const a=new URL(t,r);return r.origin===a.origin};t.createValidAbsoluteUrl=function createValidAbsoluteUrl(e,t){if(!e)return null;try{const r=t?new URL(e,t):new URL(e);if(function _isValidProtocol(e){if(!e)return!1;switch(e.protocol){case"http:":case"https:":case"ftp:":case"mailto:":case"tel:":return!0;default:return!1}}(r))return r}catch(e){}return null};t.removeNullCharacters=function removeNullCharacters(e){if("string"!=typeof e){warn("The argument for removeNullCharacters must be a string.");return e}return e.replace(s,"")};t.setVerbosityLevel=function setVerbosityLevel(e){Number.isInteger(e)&&(i=e)};t.shadow=shadow;t.string32=function string32(e){return String.fromCharCode(e>>24&255,e>>16&255,e>>8&255,255&e)};t.stringToBytes=stringToBytes;t.stringToPDFString=function stringToPDFString(e){const t=e.length,r=[];if("þ"===e[0]&&"ÿ"===e[1])for(let a=2;a<t;a+=2)r.push(String.fromCharCode(e.charCodeAt(a)<<8|e.charCodeAt(a+1)));else if("ÿ"===e[0]&&"þ"===e[1])for(let a=2;a<t;a+=2)r.push(String.fromCharCode(e.charCodeAt(a+1)<<8|e.charCodeAt(a)));else for(let a=0;a<t;++a){const t=h[e.charCodeAt(a)];r.push(t?String.fromCharCode(t):e.charAt(a))}return r.join("")};t.stringToUTF8String=function stringToUTF8String(e){return decodeURIComponent(escape(e))};t.utf8StringToString=function utf8StringToString(e){return unescape(encodeURIComponent(e))};t.warn=warn;t.unreachable=unreachable;t.IsEvalSupportedCached=t.IsLittleEndianCached=t.createObjectURL=t.FormatError=t.Util=t.UnknownErrorException=t.UnexpectedResponseException=t.TextRenderingMode=t.StreamType=t.PermissionFlag=t.PasswordResponses=t.PasswordException=t.MissingPDFException=t.InvalidPDFException=t.AbortException=t.CMapCompressionType=t.ImageKind=t.FontType=t.AnnotationType=t.AnnotationStateModelType=t.AnnotationReviewState=t.AnnotationReplyType=t.AnnotationMarkedState=t.AnnotationFlag=t.AnnotationFieldFlag=t.AnnotationBorderStyleType=t.UNSUPPORTED_FEATURES=t.VerbosityLevel=t.OPS=t.IDENTITY_MATRIX=t.FONT_IDENTITY_MATRIX=t.BaseException=void 0;r(3);t.IDENTITY_MATRIX=[1,0,0,1,0,0];t.FONT_IDENTITY_MATRIX=[.001,0,0,.001,0,0];t.PermissionFlag={PRINT:4,MODIFY_CONTENTS:8,COPY:16,MODIFY_ANNOTATIONS:32,FILL_INTERACTIVE_FORMS:256,COPY_FOR_ACCESSIBILITY:512,ASSEMBLE:1024,PRINT_HIGH_QUALITY:2048};t.TextRenderingMode={FILL:0,STROKE:1,FILL_STROKE:2,INVISIBLE:3,FILL_ADD_TO_PATH:4,STROKE_ADD_TO_PATH:5,FILL_STROKE_ADD_TO_PATH:6,ADD_TO_PATH:7,FILL_STROKE_MASK:3,ADD_TO_PATH_FLAG:4};t.ImageKind={GRAYSCALE_1BPP:1,RGB_24BPP:2,RGBA_32BPP:3};t.AnnotationType={TEXT:1,LINK:2,FREETEXT:3,LINE:4,SQUARE:5,CIRCLE:6,POLYGON:7,POLYLINE:8,HIGHLIGHT:9,UNDERLINE:10,SQUIGGLY:11,STRIKEOUT:12,STAMP:13,CARET:14,INK:15,POPUP:16,FILEATTACHMENT:17,SOUND:18,MOVIE:19,WIDGET:20,SCREEN:21,PRINTERMARK:22,TRAPNET:23,WATERMARK:24,THREED:25,REDACT:26};t.AnnotationStateModelType={MARKED:"Marked",REVIEW:"Review"};t.AnnotationMarkedState={MARKED:"Marked",UNMARKED:"Unmarked"};t.AnnotationReviewState={ACCEPTED:"Accepted",REJECTED:"Rejected",CANCELLED:"Cancelled",COMPLETED:"Completed",NONE:"None"};t.AnnotationReplyType={GROUP:"Group",REPLY:"R"};t.AnnotationFlag={INVISIBLE:1,HIDDEN:2,PRINT:4,NOZOOM:8,NOROTATE:16,NOVIEW:32,READONLY:64,LOCKED:128,TOGGLENOVIEW:256,LOCKEDCONTENTS:512};t.AnnotationFieldFlag={READONLY:1,REQUIRED:2,NOEXPORT:4,MULTILINE:4096,PASSWORD:8192,NOTOGGLETOOFF:16384,RADIO:32768,PUSHBUTTON:65536,COMBO:131072,EDIT:262144,SORT:524288,FILESELECT:1048576,MULTISELECT:2097152,DONOTSPELLCHECK:4194304,DONOTSCROLL:8388608,COMB:16777216,RICHTEXT:33554432,RADIOSINUNISON:33554432,COMMITONSELCHANGE:67108864};t.AnnotationBorderStyleType={SOLID:1,DASHED:2,BEVELED:3,INSET:4,UNDERLINE:5};t.StreamType={UNKNOWN:"UNKNOWN",FLATE:"FLATE",LZW:"LZW",DCT:"DCT",JPX:"JPX",JBIG:"JBIG",A85:"A85",AHX:"AHX",CCF:"CCF",RLX:"RLX"};t.FontType={UNKNOWN:"UNKNOWN",TYPE1:"TYPE1",TYPE1C:"TYPE1C",CIDFONTTYPE0:"CIDFONTTYPE0",CIDFONTTYPE0C:"CIDFONTTYPE0C",TRUETYPE:"TRUETYPE",CIDFONTTYPE2:"CIDFONTTYPE2",TYPE3:"TYPE3",OPENTYPE:"OPENTYPE",TYPE0:"TYPE0",MMTYPE1:"MMTYPE1"};const a={ERRORS:0,WARNINGS:1,INFOS:5};t.VerbosityLevel=a;t.CMapCompressionType={NONE:0,BINARY:1,STREAM:2};t.OPS={dependency:1,setLineWidth:2,setLineCap:3,setLineJoin:4,setMiterLimit:5,setDash:6,setRenderingIntent:7,setFlatness:8,setGState:9,save:10,restore:11,transform:12,moveTo:13,lineTo:14,curveTo:15,curveTo2:16,curveTo3:17,closePath:18,rectangle:19,stroke:20,closeStroke:21,fill:22,eoFill:23,fillStroke:24,eoFillStroke:25,closeFillStroke:26,closeEOFillStroke:27,endPath:28,clip:29,eoClip:30,beginText:31,endText:32,setCharSpacing:33,setWordSpacing:34,setHScale:35,setLeading:36,setFont:37,setTextRenderingMode:38,setTextRise:39,moveText:40,setLeadingMoveText:41,setTextMatrix:42,nextLine:43,showText:44,showSpacedText:45,nextLineShowText:46,nextLineSetSpacingShowText:47,setCharWidth:48,setCharWidthAndBounds:49,setStrokeColorSpace:50,setFillColorSpace:51,setStrokeColor:52,setStrokeColorN:53,setFillColor:54,setFillColorN:55,setStrokeGray:56,setFillGray:57,setStrokeRGBColor:58,setFillRGBColor:59,setStrokeCMYKColor:60,setFillCMYKColor:61,shadingFill:62,beginInlineImage:63,beginImageData:64,endInlineImage:65,paintXObject:66,markPoint:67,markPointProps:68,beginMarkedContent:69,beginMarkedContentProps:70,endMarkedContent:71,beginCompat:72,endCompat:73,paintFormXObjectBegin:74,paintFormXObjectEnd:75,beginGroup:76,endGroup:77,beginAnnotations:78,endAnnotations:79,beginAnnotation:80,endAnnotation:81,paintJpegXObject:82,paintImageMaskXObject:83,paintImageMaskXObjectGroup:84,paintImageXObject:85,paintInlineImageXObject:86,paintInlineImageXObjectGroup:87,paintImageXObjectRepeat:88,paintImageMaskXObjectRepeat:89,paintSolidColorImageMask:90,constructPath:91};t.UNSUPPORTED_FEATURES={unknown:"unknown",forms:"forms",javaScript:"javaScript",smask:"smask",shadingPattern:"shadingPattern",font:"font",errorTilingPattern:"errorTilingPattern",errorExtGState:"errorExtGState",errorXObject:"errorXObject",errorFontLoadType3:"errorFontLoadType3",errorFontState:"errorFontState",errorFontMissing:"errorFontMissing",errorFontTranslate:"errorFontTranslate",errorColorSpace:"errorColorSpace",errorOperatorList:"errorOperatorList",errorFontToUnicode:"errorFontToUnicode",errorFontLoadNative:"errorFontLoadNative",errorFontGetPath:"errorFontGetPath",errorMarkedContent:"errorMarkedContent"};t.PasswordResponses={NEED_PASSWORD:1,INCORRECT_PASSWORD:2};let i=a.WARNINGS;function warn(e){i>=a.WARNINGS&&console.log("Warning: "+e)}function unreachable(e){throw new Error(e)}function assert(e,t){e||unreachable(t)}function shadow(e,t,r){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!1});return r}const n=function BaseExceptionClosure(){function BaseException(e){this.constructor===BaseException&&unreachable("Cannot initialize BaseException.");this.message=e;this.name=this.constructor.name}BaseException.prototype=new Error;BaseException.constructor=BaseException;return BaseException}();t.BaseException=n;t.PasswordException=class PasswordException extends n{constructor(e,t){super(e);this.code=t}};t.UnknownErrorException=class UnknownErrorException extends n{constructor(e,t){super(e);this.details=t}};t.InvalidPDFException=class InvalidPDFException extends n{};t.MissingPDFException=class MissingPDFException extends n{};t.UnexpectedResponseException=class UnexpectedResponseException extends n{constructor(e,t){super(e);this.status=t}};t.FormatError=class FormatError extends n{};t.AbortException=class AbortException extends n{};const s=/\x00/g;function stringToBytes(e){assert("string"==typeof e,"Invalid argument for stringToBytes");const t=e.length,r=new Uint8Array(t);for(let a=0;a<t;++a)r[a]=255&e.charCodeAt(a);return r}function arrayByteLength(e){if(void 0!==e.length)return e.length;assert(void 0!==e.byteLength,"arrayByteLength - invalid argument.");return e.byteLength}const o={get value(){return shadow(this,"value",function isLittleEndian(){const e=new Uint8Array(4);e[0]=1;return 1===new Uint32Array(e.buffer,0,1)[0]}())}};t.IsLittleEndianCached=o;const c={get value(){return shadow(this,"value",function isEvalSupported(){try{new Function("");return!0}catch(e){return!1}}())}};t.IsEvalSupportedCached=c;const l=["rgb(",0,",",0,",",0,")"];class Util{static makeCssRgb(e,t,r){l[1]=e;l[3]=t;l[5]=r;return l.join("")}static transform(e,t){return[e[0]*t[0]+e[2]*t[1],e[1]*t[0]+e[3]*t[1],e[0]*t[2]+e[2]*t[3],e[1]*t[2]+e[3]*t[3],e[0]*t[4]+e[2]*t[5]+e[4],e[1]*t[4]+e[3]*t[5]+e[5]]}static applyTransform(e,t){return[e[0]*t[0]+e[1]*t[2]+t[4],e[0]*t[1]+e[1]*t[3]+t[5]]}static applyInverseTransform(e,t){const r=t[0]*t[3]-t[1]*t[2];return[(e[0]*t[3]-e[1]*t[2]+t[2]*t[5]-t[4]*t[3])/r,(-e[0]*t[1]+e[1]*t[0]+t[4]*t[1]-t[5]*t[0])/r]}static getAxialAlignedBoundingBox(e,t){const r=Util.applyTransform(e,t),a=Util.applyTransform(e.slice(2,4),t),i=Util.applyTransform([e[0],e[3]],t),n=Util.applyTransform([e[2],e[1]],t);return[Math.min(r[0],a[0],i[0],n[0]),Math.min(r[1],a[1],i[1],n[1]),Math.max(r[0],a[0],i[0],n[0]),Math.max(r[1],a[1],i[1],n[1])]}static inverseTransform(e){const t=e[0]*e[3]-e[1]*e[2];return[e[3]/t,-e[1]/t,-e[2]/t,e[0]/t,(e[2]*e[5]-e[4]*e[3])/t,(e[4]*e[1]-e[5]*e[0])/t]}static apply3dTransform(e,t){return[e[0]*t[0]+e[1]*t[1]+e[2]*t[2],e[3]*t[0]+e[4]*t[1]+e[5]*t[2],e[6]*t[0]+e[7]*t[1]+e[8]*t[2]]}static singularValueDecompose2dScale(e){const t=[e[0],e[2],e[1],e[3]],r=e[0]*t[0]+e[1]*t[2],a=e[0]*t[1]+e[1]*t[3],i=e[2]*t[0]+e[3]*t[2],n=e[2]*t[1]+e[3]*t[3],s=(r+n)/2,o=Math.sqrt((r+n)*(r+n)-4*(r*n-i*a))/2,c=s+o||1,l=s-o||1;return[Math.sqrt(c),Math.sqrt(l)]}static normalizeRect(e){const t=e.slice(0);if(e[0]>e[2]){t[0]=e[2];t[2]=e[0]}if(e[1]>e[3]){t[1]=e[3];t[3]=e[1]}return t}static intersect(e,t){function compare(e,t){return e-t}const r=[e[0],e[2],t[0],t[2]].sort(compare),a=[e[1],e[3],t[1],t[3]].sort(compare),i=[];e=Util.normalizeRect(e);t=Util.normalizeRect(t);if(!(r[0]===e[0]&&r[1]===t[0]||r[0]===t[0]&&r[1]===e[0]))return null;i[0]=r[1];i[2]=r[2];if(!(a[0]===e[1]&&a[1]===t[1]||a[0]===t[1]&&a[1]===e[1]))return null;i[1]=a[1];i[3]=a[2];return i}}t.Util=Util;const 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e=Object.create(null);function Name(e){this.name=e}Name.prototype={};Name.get=function Name_get(t){var r=e[t];return r||(e[t]=new Name(t))};Name._clearCache=function(){e=Object.create(null)};return Name}();t.Name=i;var n=function CmdClosure(){let e=Object.create(null);function Cmd(e){this.cmd=e}Cmd.prototype={};Cmd.get=function Cmd_get(t){var r=e[t];return r||(e[t]=new Cmd(t))};Cmd._clearCache=function(){e=Object.create(null)};return Cmd}();t.Cmd=n;var s=function DictClosure(){var e=function nonSerializableClosure(){return e};function Dict(t){this._map=Object.create(null);this.xref=t;this.objId=null;this.suppressEncryption=!1;this.__nonSerializable__=e}Dict.prototype={assignXref:function Dict_assignXref(e){this.xref=e},get size(){return Object.keys(this._map).length},get(e,t,r){let a=this._map[e];if(void 0===a&&void 0!==t){a=this._map[t];void 0===a&&void 0!==r&&(a=this._map[r])}return a instanceof o&&this.xref?this.xref.fetch(a,this.suppressEncryption):a},async getAsync(e,t,r){let a=this._map[e];if(void 0===a&&void 0!==t){a=this._map[t];void 0===a&&void 0!==r&&(a=this._map[r])}return a instanceof o&&this.xref?this.xref.fetchAsync(a,this.suppressEncryption):a},getArray(e,t,r){let a=this.get(e,t,r);if(!Array.isArray(a)||!this.xref)return a;a=a.slice();for(let e=0,t=a.length;e<t;e++)a[e]instanceof o&&(a[e]=this.xref.fetch(a[e],this.suppressEncryption));return a},getRaw:function Dict_getRaw(e){return this._map[e]},getKeys:function Dict_getKeys(){return Object.keys(this._map)},getRawValues:function Dict_getRawValues(){return Object.values(this._map)},set:function Dict_set(e,t){this._map[e]=t},has:function Dict_has(e){return void 0!==this._map[e]},forEach:function Dict_forEach(e){for(var t in this._map)e(t,this.get(t))}};Dict.empty=new Dict(null);Dict.merge=function({xref:e,dictArray:t,mergeSubDicts:r=!1}){const a=new Dict(e);if(!r){for(const e of t)if(e instanceof Dict)for(const[t,r]of Object.entries(e._map))void 0===a._map[t]&&(a._map[t]=r);return 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this._set.has(e.toString())}put(e){this._set.add(e.toString())}remove(e){this._set.delete(e.toString())}};t.RefSetCache=class RefSetCache{constructor(){this._map=new Map}get size(){return this._map.size}get(e){return this._map.get(e.toString())}has(e){return this._map.has(e.toString())}put(e,t){this._map.set(e.toString(),t)}putAlias(e,t){this._map.set(e.toString(),this.get(t))}forEach(e){for(const t of this._map.values())e(t)}clear(){this._map.clear()}};function isName(e,t){return e instanceof i&&(void 0===t||e.name===t)}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.NetworkPdfManager=t.LocalPdfManager=void 0;var a=r(2),i=r(7),n=r(8),s=r(9),o=r(12);class BasePdfManager{constructor(){this.constructor===BasePdfManager&&(0,a.unreachable)("Cannot initialize BasePdfManager.")}get docId(){return this._docId}get password(){return this._password}get docBaseUrl(){let e=null;if(this._docBaseUrl){const t=(0,a.createValidAbsoluteUrl)(this._docBaseUrl);t?e=t.href:(0,a.warn)(`Invalid absolute docBaseUrl: "${this._docBaseUrl}".`)}return(0,a.shadow)(this,"docBaseUrl",e)}onLoadedStream(){(0,a.unreachable)("Abstract method `onLoadedStream` called")}ensureDoc(e,t){return this.ensure(this.pdfDocument,e,t)}ensureXRef(e,t){return this.ensure(this.pdfDocument.xref,e,t)}ensureCatalog(e,t){return this.ensure(this.pdfDocument.catalog,e,t)}getPage(e){return this.pdfDocument.getPage(e)}fontFallback(e,t){return this.pdfDocument.fontFallback(e,t)}cleanup(e=!1){return this.pdfDocument.cleanup(e)}async ensure(e,t,r){(0,a.unreachable)("Abstract method `ensure` called")}requestRange(e,t){(0,a.unreachable)("Abstract method `requestRange` called")}requestLoadedStream(){(0,a.unreachable)("Abstract method `requestLoadedStream` called")}sendProgressiveData(e){(0,a.unreachable)("Abstract method `sendProgressiveData` called")}updatePassword(e){this._password=e}terminate(e){(0,a.unreachable)("Abstract method `terminate` called")}}t.LocalPdfManager=class LocalPdfManager extends BasePdfManager{constructor(e,t,r,a,i){super();this._docId=e;this._password=r;this._docBaseUrl=i;this.evaluatorOptions=a;const n=new o.Stream(t);this.pdfDocument=new s.PDFDocument(this,n);this._loadedStreamPromise=Promise.resolve(n)}async ensure(e,t,r){const a=e[t];return"function"==typeof a?a.apply(e,r):a}requestRange(e,t){return Promise.resolve()}requestLoadedStream(){}onLoadedStream(){return this._loadedStreamPromise}terminate(e){}};t.NetworkPdfManager=class NetworkPdfManager extends BasePdfManager{constructor(e,t,r,a,n){super();this._docId=e;this._password=r.password;this._docBaseUrl=n;this.msgHandler=r.msgHandler;this.evaluatorOptions=a;this.streamManager=new i.ChunkedStreamManager(t,{msgHandler:r.msgHandler,length:r.length,disableAutoFetch:r.disableAutoFetch,rangeChunkSize:r.rangeChunkSize});this.pdfDocument=new s.PDFDocument(this,this.streamManager.getStream())}async ensure(e,t,r){try{const 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e=r.subarray(a,i);return t?new Uint8ClampedArray(e):e}let n=a+e;n>i&&(n=i);n>this.progressiveDataLength&&this.ensureRange(a,n);this.pos=n;const s=r.subarray(a,n);return t?new Uint8ClampedArray(s):s}peekByte(){const e=this.getByte();-1!==e&&this.pos--;return e}peekBytes(e,t=!1){const r=this.getBytes(e,t);this.pos-=r.length;return r}getByteRange(e,t){e<0&&(e=0);t>this.end&&(t=this.end);t>this.progressiveDataLength&&this.ensureRange(e,t);return this.bytes.subarray(e,t)}skip(e){e||(e=1);this.pos+=e}reset(){this.pos=this.start}moveStart(){this.start=this.pos}makeSubStream(e,t,r){t?e+t>this.progressiveDataLength&&this.ensureRange(e,e+t):e>=this.progressiveDataLength&&this.ensureByte(e);function ChunkedStreamSubstream(){}ChunkedStreamSubstream.prototype=Object.create(this);ChunkedStreamSubstream.prototype.getMissingChunks=function(){const e=this.chunkSize,t=Math.floor(this.start/e),r=Math.floor((this.end-1)/e)+1,a=[];for(let e=t;e<r;++e)this._loadedChunks.has(e)||a.push(e);return 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e=t.beginChunk*this.chunkSize,r=Math.min(t.endChunk*this.chunkSize,this.length);this.sendRequest(e,r)}}return i.promise.catch(e=>{if(!this.aborted)throw e})}getStream(){return this.stream}requestRange(e,t){t=Math.min(t,this.length);const r=this.getBeginChunk(e),a=this.getEndChunk(t),i=[];for(let e=r;e<a;++e)i.push(e);return this._requestChunks(i)}requestRanges(e=[]){const t=[];for(const r of e){const e=this.getBeginChunk(r.begin),a=this.getEndChunk(r.end);for(let r=e;r<a;++r)t.includes(r)||t.push(r)}t.sort((function(e,t){return e-t}));return this._requestChunks(t)}groupChunks(e){const t=[];let r=-1,a=-1;for(let i=0,n=e.length;i<n;++i){const n=e[i];r<0&&(r=n);if(a>=0&&a+1!==n){t.push({beginChunk:r,endChunk:a+1});r=n}i+1===e.length&&t.push({beginChunk:r,endChunk:n+1});a=n}return t}onProgress(e){this.msgHandler.send("DocProgress",{loaded:this.stream.numChunksLoaded*this.chunkSize+e.loaded,total:this.length})}onReceiveData(e){const t=e.chunk,r=void 0===e.begin,a=r?this.progressiveDataLength:e.begin,i=a+t.byteLength,n=Math.floor(a/this.chunkSize),s=i<this.length?Math.floor(i/this.chunkSize):Math.ceil(i/this.chunkSize);if(r){this.stream.onReceiveProgressiveData(t);this.progressiveDataLength=i}else this.stream.onReceiveData(a,t);this.stream.allChunksLoaded()&&this._loadedStreamCapability.resolve(this.stream);const o=[];for(let e=n;e<s;++e){const t=this._requestsByChunk.get(e);if(t){this._requestsByChunk.delete(e);for(const r of t){const t=this._chunksNeededByRequest.get(r);t.has(e)&&t.delete(e);t.size>0||o.push(r)}}}if(!this.disableAutoFetch&&0===this._requestsByChunk.size){let e;if(1===this.stream.numChunksLoaded){const t=this.stream.numChunks-1;this.stream.hasChunk(t)||(e=t)}else e=this.stream.nextEmptyChunk(s);Number.isInteger(e)&&this._requestChunks([e])}for(const e of o){const t=this._promisesByRequest.get(e);this._promisesByRequest.delete(e);t.resolve()}this.msgHandler.send("DocProgress",{loaded:this.stream.numChunksLoaded*this.chunkSize,total:this.length})}onError(e){this._loadedStreamCapability.reject(e)}getBeginChunk(e){return Math.floor(e/this.chunkSize)}getEndChunk(e){return Math.floor((e-1)/this.chunkSize)+1}abort(e){this.aborted=!0;this.pdfNetworkStream&&this.pdfNetworkStream.cancelAllRequests(e);for(const t of this._promisesByRequest.values())t.reject(e)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getLookupTableFactory=function getLookupTableFactory(e){let t;return function(){if(e){t=Object.create(null);e(t);e=null}return t}};t.getInheritableProperty=function getInheritableProperty({dict:e,key:t,getArray:r=!1,stopWhenFound:i=!0}){let n,s=0;for(;e;){const o=r?e.getArray(t):e.get(t);if(void 0!==o){if(i)return o;n||(n=[]);n.push(o)}if(++s>100){(0,a.warn)(`getInheritableProperty: maximum loop count exceeded for "${t}"`);break}e=e.get("Parent")}return n};t.toRomanNumerals=function toRomanNumerals(e,t=!1){(0,a.assert)(Number.isInteger(e)&&e>0,"The number should be a positive integer.");const r=[];let n;for(;e>=1e3;){e-=1e3;r.push("M")}n=e/100|0;e%=100;r.push(i[n]);n=e/10|0;e%=10;r.push(i[10+n]);r.push(i[20+e]);const s=r.join("");return t?s.toLowerCase():s};t.log2=function log2(e){if(e<=0)return 0;return Math.ceil(Math.log2(e))};t.readInt8=function readInt8(e,t){return e[t]<<24>>24};t.readUint16=function readUint16(e,t){return e[t]<<8|e[t+1]};t.readUint32=function readUint32(e,t){return(e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3])>>>0};t.isWhiteSpace=function isWhiteSpace(e){return 32===e||9===e||13===e||10===e};t.XRefParseException=t.XRefEntryException=t.MissingDataException=void 0;var a=r(2);class MissingDataException extends a.BaseException{constructor(e,t){super(`Missing data [${e}, ${t})`);this.begin=e;this.end=t}}t.MissingDataException=MissingDataException;class XRefEntryException extends a.BaseException{}t.XRefEntryException=XRefEntryException;class XRefParseException extends a.BaseException{}t.XRefParseException=XRefParseException;const i=["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM","","X","XX","XXX","XL","L","LX","LXX","LXXX","XC","","I","II","III","IV","V","VI","VII","VIII","IX"]},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFDocument=t.Page=void 0;var a=r(2),i=r(10),n=r(5),s=r(8),o=r(12),c=r(25),l=r(22),h=r(11),u=r(26),d=r(28);const f=[0,0,612,792];function isAnnotationRenderable(e,t){return"display"===t&&e.viewable||"print"===t&&e.printable}class Page{constructor({pdfManager:e,xref:t,pageIndex:r,pageDict:a,ref:i,globalIdFactory:n,fontCache:s,builtInCMapCache:o,globalImageCache:c}){this.pdfManager=e;this.pageIndex=r;this.pageDict=a;this.xref=t;this.ref=i;this.fontCache=s;this.builtInCMapCache=o;this.globalImageCache=c;this.evaluatorOptions=e.evaluatorOptions;this.resourcesPromise=null;const l={obj:0};this._localIdFactory=class extends n{static createObjId(){return`p${r}_${++l.obj}`}}}_getInheritableProperty(e,t=!1){const r=(0,s.getInheritableProperty)({dict:this.pageDict,key:e,getArray:t,stopWhenFound:!1});return Array.isArray(r)?1!==r.length&&(0,n.isDict)(r[0])?n.Dict.merge({xref:this.xref,dictArray:r}):r[0]:r}get content(){return this.pageDict.get("Contents")}get resources(){return(0,a.shadow)(this,"resources",this._getInheritableProperty("Resources")||n.Dict.empty)}_getBoundingBox(e){const t=this._getInheritableProperty(e,!0);if(Array.isArray(t)&&4===t.length){if(t[2]-t[0]!=0&&t[3]-t[1]!=0)return t;(0,a.warn)(`Empty /${e} entry.`)}return null}get mediaBox(){return(0,a.shadow)(this,"mediaBox",this._getBoundingBox("MediaBox")||f)}get cropBox(){return(0,a.shadow)(this,"cropBox",this._getBoundingBox("CropBox")||this.mediaBox)}get userUnit(){let e=this.pageDict.get("UserUnit");(!(0,a.isNum)(e)||e<=0)&&(e=1);return(0,a.shadow)(this,"userUnit",e)}get view(){const{cropBox:e,mediaBox:t}=this;let r;if(e===t||(0,a.isArrayEqual)(e,t))r=t;else{const i=a.Util.intersect(e,t);i&&i[2]-i[0]!=0&&i[3]-i[1]!=0?r=i:(0,a.warn)("Empty /CropBox and /MediaBox intersection.")}return(0,a.shadow)(this,"view",r||t)}get rotate(){let e=this._getInheritableProperty("Rotate")||0;e%90!=0?e=0:e>=360?e%=360:e<0&&(e=(e%360+360)%360);return(0,a.shadow)(this,"rotate",e)}getContentStream(){const e=this.content;let t;if(Array.isArray(e)){const r=this.xref,a=[];for(const t of e)a.push(r.fetchIfRef(t));t=new o.StreamsSequenceStream(a)}else t=(0,n.isStream)(e)?e:new o.NullStream;return t}save(e,t,r){const i=new d.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions});return this._parsedAnnotations.then((function(e){const n=[];for(const s of e)isAnnotationRenderable(s,"print")&&n.push(s.save(i,t,r).catch((function(e){(0,a.warn)(`save - ignoring annotation data during "${t.name}" task: "${e}".`);return null})));return Promise.all(n)}))}loadResources(e){this.resourcesPromise||(this.resourcesPromise=this.pdfManager.ensure(this,"resources"));return this.resourcesPromise.then(()=>new i.ObjectLoader(this.resources,e,this.xref).load())}getOperatorList({handler:e,sink:t,task:r,intent:i,renderInteractiveForms:n,annotationStorage:s}){const o=this.pdfManager.ensure(this,"getContentStream"),c=this.loadResources(["ExtGState","ColorSpace","Pattern","Shading","XObject","Font"]),l=new d.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions}),h=Promise.all([o,c]).then(([a])=>{const n=new u.OperatorList(i,t);e.send("StartRenderPage",{transparency:l.hasBlendModes(this.resources),pageIndex:this.pageIndex,intent:i});return l.getOperatorList({stream:a,task:r,resources:this.resources,operatorList:n}).then((function(){return n}))});return Promise.all([h,this._parsedAnnotations]).then((function([e,t]){if(0===t.length){e.flush(!0);return{length:e.totalLength}}const o=[];for(const e of t)isAnnotationRenderable(e,i)&&o.push(e.getOperatorList(l,r,n,s).catch((function(e){(0,a.warn)(`getOperatorList - ignoring annotation data during "${r.name}" task: "${e}".`);return null})));return Promise.all(o).then((function(t){e.addOp(a.OPS.beginAnnotations,[]);for(const r of t)e.addOpList(r);e.addOp(a.OPS.endAnnotations,[]);e.flush(!0);return{length:e.totalLength}}))}))}extractTextContent({handler:e,task:t,normalizeWhitespace:r,sink:a,combineTextItems:i}){const n=this.pdfManager.ensure(this,"getContentStream"),s=this.loadResources(["ExtGState","XObject","Font"]);return Promise.all([n,s]).then(([n])=>new d.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions}).getTextContent({stream:n,task:t,resources:this.resources,normalizeWhitespace:r,combineTextItems:i,sink:a}))}getAnnotationsData(e){return this._parsedAnnotations.then((function(t){const r=[];for(let a=0,i=t.length;a<i;a++)e&&!isAnnotationRenderable(t[a],e)||r.push(t[a].data);return r}))}get annotations(){return(0,a.shadow)(this,"annotations",this._getInheritableProperty("Annots")||[])}get _parsedAnnotations(){const e=this.pdfManager.ensure(this,"annotations").then(()=>{const e=[];for(const t of this.annotations)e.push(c.AnnotationFactory.create(this.xref,t,this.pdfManager,this._localIdFactory).catch((function(e){(0,a.warn)(`_parsedAnnotations: "${e}".`);return null})));return Promise.all(e).then((function(e){return e.filter(e=>!!e)}))});return(0,a.shadow)(this,"_parsedAnnotations",e)}}t.Page=Page;const g=new Uint8Array([37,80,68,70,45]),m=new Uint8Array([115,116,97,114,116,120,114,101,102]),p=new Uint8Array([101,110,100,111,98,106]),b=/^[1-9]\.[0-9]$/;function find(e,t,r=1024,a=!1){const i=t.length,n=e.peekBytes(r),s=n.length-i;if(s<=0)return!1;if(a){const r=i-1;let a=n.length-1;for(;a>=r;){let s=0;for(;s<i&&n[a-s]===t[r-s];)s++;if(s>=i){e.pos+=a-r;return!0}a--}}else{let r=0;for(;r<=s;){let a=0;for(;a<i&&n[r+a]===t[a];)a++;if(a>=i){e.pos+=r;return!0}r++}}return!1}t.PDFDocument=class PDFDocument{constructor(e,t){let r;if((0,n.isStream)(t))r=t;else{if(!(0,a.isArrayBuffer)(t))throw new Error("PDFDocument: Unknown argument type");r=new o.Stream(t)}if(r.length<=0)throw new a.InvalidPDFException("The PDF file is empty, i.e. its size is zero bytes.");this.pdfManager=e;this.stream=r;this.xref=new i.XRef(r,e);this._pagePromises=[];this._version=null;const s={font:0};this._globalIdFactory=class{static getDocId(){return"g_"+e.docId}static createFontId(){return"f"+ ++s.font}static createObjId(){(0,a.unreachable)("Abstract method `createObjId` called.")}}}parse(e){this.xref.parse(e);this.catalog=new i.Catalog(this.pdfManager,this.xref);this.catalog.version&&(this._version=this.catalog.version)}get linearization(){let e=null;try{e=h.Linearization.create(this.stream)}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)(e)}return(0,a.shadow)(this,"linearization",e)}get startXRef(){const e=this.stream;let t=0;if(this.linearization){e.reset();find(e,p)&&(t=e.pos+6-e.start)}else{const r=1024,a=m.length;let i=!1,n=e.end;for(;!i&&n>0;){n-=r-a;n<0&&(n=0);e.pos=n;i=find(e,m,r,!0)}if(i){e.skip(9);let r;do{r=e.getByte()}while((0,s.isWhiteSpace)(r));let a="";for(;r>=32&&r<=57;){a+=String.fromCharCode(r);r=e.getByte()}t=parseInt(a,10);isNaN(t)&&(t=0)}}return(0,a.shadow)(this,"startXRef",t)}checkHeader(){const e=this.stream;e.reset();if(!find(e,g))return;e.moveStart();let t,r="";for(;(t=e.getByte())>32&&!(r.length>=12);)r+=String.fromCharCode(t);this._version||(this._version=r.substring(5))}parseStartXRef(){this.xref.setStartXRef(this.startXRef)}get numPages(){const e=this.linearization,t=e?e.numPages:this.catalog.numPages;return(0,a.shadow)(this,"numPages",t)}_hasOnlyDocumentSignatures(e,t=0){return e.every(e=>{if((e=this.xref.fetchIfRef(e)).has("Kids")){if(++t>10){(0,a.warn)("_hasOnlyDocumentSignatures: maximum recursion depth reached");return!1}return this._hasOnlyDocumentSignatures(e.get("Kids"),t)}const r=(0,n.isName)(e.get("FT"),"Sig"),i=e.get("Rect"),s=Array.isArray(i)&&i.every(e=>0===e);return r&&s})}get formInfo(){const e={hasAcroForm:!1,hasXfa:!1},t=this.catalog.acroForm;if(!t)return(0,a.shadow)(this,"formInfo",e);try{const r=t.get("XFA"),a=Array.isArray(r)&&r.length>0||(0,n.isStream)(r)&&!r.isEmpty;e.hasXfa=a;const i=t.get("Fields"),s=Array.isArray(i)&&i.length>0,o=!!(1&t.get("SigFlags"))&&this._hasOnlyDocumentSignatures(i);e.hasAcroForm=s&&!o}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("Cannot fetch form information.")}return(0,a.shadow)(this,"formInfo",e)}get documentInfo(){const e={Title:a.isString,Author:a.isString,Subject:a.isString,Keywords:a.isString,Creator:a.isString,Producer:a.isString,CreationDate:a.isString,ModDate:a.isString,Trapped:n.isName};let t=this._version;if("string"!=typeof t||!b.test(t)){(0,a.warn)("Invalid PDF header version number: "+t);t=null}const r={PDFFormatVersion:t,IsLinearized:!!this.linearization,IsAcroFormPresent:this.formInfo.hasAcroForm,IsXFAPresent:this.formInfo.hasXfa,IsCollectionPresent:!!this.catalog.collection};let i;try{i=this.xref.trailer.get("Info")}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("The document information dictionary is invalid.")}if((0,n.isDict)(i))for(const t of i.getKeys()){const s=i.get(t);if(e[t])e[t](s)?r[t]="string"!=typeof s?s:(0,a.stringToPDFString)(s):(0,a.info)(`Bad value in document info for "${t}".`);else if("string"==typeof t){let e;if((0,a.isString)(s))e=(0,a.stringToPDFString)(s);else{if(!((0,n.isName)(s)||(0,a.isNum)(s)||(0,a.isBool)(s))){(0,a.info)(`Unsupported value in document info for (custom) "${t}".`);continue}e=s}r.Custom||(r.Custom=Object.create(null));r.Custom[t]=e}}return(0,a.shadow)(this,"documentInfo",r)}get fingerprint(){let e;const t=this.xref.trailer.get("ID");e=Array.isArray(t)&&t[0]&&(0,a.isString)(t[0])&&"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"!==t[0]?(0,a.stringToBytes)(t[0]):(0,l.calculateMD5)(this.stream.getByteRange(0,1024),0,1024);const r=[];for(let t=0,a=e.length;t<a;t++){const a=e[t].toString(16);r.push(a.padStart(2,"0"))}return(0,a.shadow)(this,"fingerprint",r.join(""))}_getLinearizationPage(e){const{catalog:t,linearization:r}=this,i=n.Ref.get(r.objectNumberFirst,0);return this.xref.fetchAsync(i).then(e=>{if((0,n.isDict)(e,"Page")||(0,n.isDict)(e)&&!e.has("Type")&&e.has("Contents")){i&&!t.pageKidsCountCache.has(i)&&t.pageKidsCountCache.put(i,1);return[e,i]}throw new a.FormatError("The Linearization dictionary doesn't point to a valid Page dictionary.")}).catch(r=>{(0,a.info)(r);return t.getPageDict(e)})}getPage(e){if(void 0!==this._pagePromises[e])return this._pagePromises[e];const{catalog:t,linearization:r}=this,a=r&&r.pageFirst===e?this._getLinearizationPage(e):t.getPageDict(e);return this._pagePromises[e]=a.then(([r,a])=>new Page({pdfManager:this.pdfManager,xref:this.xref,pageIndex:e,pageDict:r,ref:a,globalIdFactory:this._globalIdFactory,fontCache:t.fontCache,builtInCMapCache:t.builtInCMapCache,globalImageCache:t.globalImageCache}))}checkFirstPage(){return this.getPage(0).catch(async e=>{if(e instanceof s.XRefEntryException){this._pagePromises.length=0;await this.cleanup();throw new s.XRefParseException}})}fontFallback(e,t){return this.catalog.fontFallback(e,t)}async cleanup(e=!1){return this.catalog?this.catalog.cleanup(e):(0,n.clearPrimitiveCaches)()}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.FileSpec=t.XRef=t.ObjectLoader=t.Catalog=void 0;var a=r(2),i=r(5),n=r(11),s=r(8),o=r(22),c=r(23),l=r(24);function fetchDestination(e){return(0,i.isDict)(e)?e.get("D"):e}class Catalog{constructor(e,t){this.pdfManager=e;this.xref=t;this._catDict=t.getCatalogObj();if(!(0,i.isDict)(this._catDict))throw new a.FormatError("Catalog object is not a dictionary.");this.fontCache=new i.RefSetCache;this.builtInCMapCache=new Map;this.globalImageCache=new l.GlobalImageCache;this.pageKidsCountCache=new i.RefSetCache}get version(){const e=this._catDict.get("Version");return(0,i.isName)(e)?(0,a.shadow)(this,"version",e.name):(0,a.shadow)(this,"version",null)}get collection(){let e=null;try{const t=this._catDict.get("Collection");(0,i.isDict)(t)&&t.size>0&&(e=t)}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("Cannot fetch Collection entry; assuming no collection is present.")}return(0,a.shadow)(this,"collection",e)}get acroForm(){let e=null;try{const t=this._catDict.get("AcroForm");(0,i.isDict)(t)&&t.size>0&&(e=t)}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("Cannot fetch AcroForm entry; assuming no forms are present.")}return(0,a.shadow)(this,"acroForm",e)}get metadata(){const e=this._catDict.getRaw("Metadata");if(!(0,i.isRef)(e))return(0,a.shadow)(this,"metadata",null);const t=!(this.xref.encrypt&&this.xref.encrypt.encryptMetadata),r=this.xref.fetch(e,t);let n;if(r&&(0,i.isDict)(r.dict)){const e=r.dict.get("Type"),t=r.dict.get("Subtype");if((0,i.isName)(e,"Metadata")&&(0,i.isName)(t,"XML"))try{n=(0,a.stringToUTF8String)((0,a.bytesToString)(r.getBytes()))}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("Skipping invalid metadata.")}}return(0,a.shadow)(this,"metadata",n)}get toplevelPagesDict(){const e=this._catDict.get("Pages");if(!(0,i.isDict)(e))throw new a.FormatError("Invalid top-level pages dictionary.");return(0,a.shadow)(this,"toplevelPagesDict",e)}get documentOutline(){let e=null;try{e=this._readDocumentOutline()}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)("Unable to read document outline.")}return(0,a.shadow)(this,"documentOutline",e)}_readDocumentOutline(){let e=this._catDict.get("Outlines");if(!(0,i.isDict)(e))return null;e=e.getRaw("First");if(!(0,i.isRef)(e))return null;const t={items:[]},r=[{obj:e,parent:t}],n=new i.RefSet;n.put(e);const s=this.xref,o=new Uint8ClampedArray(3);for(;r.length>0;){const t=r.shift(),l=s.fetchIfRef(t.obj);if(null===l)continue;if(!l.has("Title"))throw new a.FormatError("Invalid outline item encountered.");const h={url:null,dest:null};Catalog.parseDestDictionary({destDict:l,resultObj:h,docBaseUrl:this.pdfManager.docBaseUrl});const u=l.get("Title"),d=l.get("F")||0,f=l.getArray("C"),g=l.get("Count");let m=o;!Array.isArray(f)||3!==f.length||0===f[0]&&0===f[1]&&0===f[2]||(m=c.ColorSpace.singletons.rgb.getRgb(f,0));const p={dest:h.dest,url:h.url,unsafeUrl:h.unsafeUrl,newWindow:h.newWindow,title:(0,a.stringToPDFString)(u),color:m,count:Number.isInteger(g)?g:void 0,bold:!!(2&d),italic:!!(1&d),items:[]};t.parent.items.push(p);e=l.getRaw("First");if((0,i.isRef)(e)&&!n.has(e)){r.push({obj:e,parent:p});n.put(e)}e=l.getRaw("Next");if((0,i.isRef)(e)&&!n.has(e)){r.push({obj:e,parent:t.parent});n.put(e)}}return t.items.length>0?t.items:null}get permissions(){let e=null;try{e=this._readPermissions()}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)("Unable to read permissions.")}return(0,a.shadow)(this,"permissions",e)}_readPermissions(){const e=this.xref.trailer.get("Encrypt");if(!(0,i.isDict)(e))return null;let t=e.get("P");if(!(0,a.isNum)(t))return null;t+=2**32;const r=[];for(const e in a.PermissionFlag){const i=a.PermissionFlag[e];t&i&&r.push(i)}return r}get optionalContentConfig(){let e=null;try{const t=this._catDict.get("OCProperties");if(!t)return(0,a.shadow)(this,"optionalContentConfig",null);const r=t.get("D");if(!r)return(0,a.shadow)(this,"optionalContentConfig",null);const n=t.get("OCGs");if(!Array.isArray(n))return(0,a.shadow)(this,"optionalContentConfig",null);const s=[],o=[];for(const e of n){if(!(0,i.isRef)(e))continue;o.push(e);const t=this.xref.fetchIfRef(e);s.push({id:e.toString(),name:(0,a.isString)(t.get("Name"))?(0,a.stringToPDFString)(t.get("Name")):null,intent:(0,a.isString)(t.get("Intent"))?(0,a.stringToPDFString)(t.get("Intent")):null})}e=this._readOptionalContentConfig(r,o);e.groups=s}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)("Unable to read optional content config: "+e)}return(0,a.shadow)(this,"optionalContentConfig",e)}_readOptionalContentConfig(e,t){function parseOnOff(e){const r=[];if(Array.isArray(e))for(const a of e)(0,i.isRef)(a)&&t.includes(a)&&r.push(a.toString());return r}function parseOrder(e,r=0){if(!Array.isArray(e))return null;const a=[];for(const s of e){if((0,i.isRef)(s)&&t.includes(s)){n.put(s);a.push(s.toString());continue}const e=parseNestedOrder(s,r);e&&a.push(e)}if(r>0)return a;const s=[];for(const e of t)n.has(e)||s.push(e.toString());s.length&&a.push({name:null,order:s});return a}function parseNestedOrder(e,t){if(++t>s){(0,a.warn)("parseNestedOrder - reached MAX_NESTED_LEVELS.");return null}const i=r.fetchIfRef(e);if(!Array.isArray(i))return null;const n=r.fetchIfRef(i[0]);if("string"!=typeof n)return null;const o=parseOrder(i.slice(1),t);return o&&o.length?{name:(0,a.stringToPDFString)(n),order:o}:null}const r=this.xref,n=new i.RefSet,s=10;return{name:(0,a.isString)(e.get("Name"))?(0,a.stringToPDFString)(e.get("Name")):null,creator:(0,a.isString)(e.get("Creator"))?(0,a.stringToPDFString)(e.get("Creator")):null,baseState:(0,i.isName)(e.get("BaseState"))?e.get("BaseState").name:null,on:parseOnOff(e.get("ON")),off:parseOnOff(e.get("OFF")),order:parseOrder(e.get("Order")),groups:null}}get numPages(){const e=this.toplevelPagesDict.get("Count");if(!Number.isInteger(e))throw new a.FormatError("Page count in top-level pages dictionary is not an integer.");return(0,a.shadow)(this,"numPages",e)}get destinations(){const e=this._readDests(),t=Object.create(null);if(e instanceof NameTree){const r=e.getAll();for(const e in r)t[e]=fetchDestination(r[e])}else e instanceof i.Dict&&e.forEach((function(e,r){r&&(t[e]=fetchDestination(r))}));return(0,a.shadow)(this,"destinations",t)}getDestination(e){const t=this._readDests();return t instanceof NameTree||t instanceof i.Dict?fetchDestination(t.get(e)||null):null}_readDests(){const e=this._catDict.get("Names");return e&&e.has("Dests")?new NameTree(e.getRaw("Dests"),this.xref):this._catDict.has("Dests")?this._catDict.get("Dests"):void 0}get pageLabels(){let e=null;try{e=this._readPageLabels()}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)("Unable to read page labels.")}return(0,a.shadow)(this,"pageLabels",e)}_readPageLabels(){const e=this._catDict.getRaw("PageLabels");if(!e)return null;const t=new Array(this.numPages);let r=null,n="";const o=new NumberTree(e,this.xref).getAll();let c="",l=1;for(let e=0,h=this.numPages;e<h;e++){if(e in o){const t=o[e];if(!(0,i.isDict)(t))throw new a.FormatError("PageLabel is not a dictionary.");if(t.has("Type")&&!(0,i.isName)(t.get("Type"),"PageLabel"))throw new a.FormatError("Invalid type in PageLabel dictionary.");if(t.has("S")){const e=t.get("S");if(!(0,i.isName)(e))throw new a.FormatError("Invalid style in PageLabel dictionary.");r=e.name}else r=null;if(t.has("P")){const e=t.get("P");if(!(0,a.isString)(e))throw new a.FormatError("Invalid prefix in PageLabel dictionary.");n=(0,a.stringToPDFString)(e)}else n="";if(t.has("St")){const e=t.get("St");if(!(Number.isInteger(e)&&e>=1))throw new a.FormatError("Invalid start in PageLabel dictionary.");l=e}else l=1}switch(r){case"D":c=l;break;case"R":case"r":c=(0,s.toRomanNumerals)(l,"r"===r);break;case"A":case"a":const e=26,t=65,i=97,n="a"===r?i:t,o=l-1,h=String.fromCharCode(n+o%e),u=[];for(let t=0,r=o/e|0;t<=r;t++)u.push(h);c=u.join("");break;default:if(r)throw new a.FormatError(`Invalid style "${r}" in PageLabel dictionary.`);c=""}t[e]=n+c;l++}return t}get pageLayout(){const e=this._catDict.get("PageLayout");let t="";if((0,i.isName)(e))switch(e.name){case"SinglePage":case"OneColumn":case"TwoColumnLeft":case"TwoColumnRight":case"TwoPageLeft":case"TwoPageRight":t=e.name}return(0,a.shadow)(this,"pageLayout",t)}get pageMode(){const e=this._catDict.get("PageMode");let t="UseNone";if((0,i.isName)(e))switch(e.name){case"UseNone":case"UseOutlines":case"UseThumbs":case"FullScreen":case"UseOC":case"UseAttachments":t=e.name}return(0,a.shadow)(this,"pageMode",t)}get viewerPreferences(){const e={HideToolbar:a.isBool,HideMenubar:a.isBool,HideWindowUI:a.isBool,FitWindow:a.isBool,CenterWindow:a.isBool,DisplayDocTitle:a.isBool,NonFullScreenPageMode:i.isName,Direction:i.isName,ViewArea:i.isName,ViewClip:i.isName,PrintArea:i.isName,PrintClip:i.isName,PrintScaling:i.isName,Duplex:i.isName,PickTrayByPDFSize:a.isBool,PrintPageRange:Array.isArray,NumCopies:Number.isInteger},t=this._catDict.get("ViewerPreferences");let r=null;if((0,i.isDict)(t))for(const i in e){if(!t.has(i))continue;const n=t.get(i);if(!e[i](n)){(0,a.info)(`Bad value in ViewerPreferences for "${i}".`);continue}let s;switch(i){case"NonFullScreenPageMode":switch(n.name){case"UseNone":case"UseOutlines":case"UseThumbs":case"UseOC":s=n.name;break;default:s="UseNone"}break;case"Direction":switch(n.name){case"L2R":case"R2L":s=n.name;break;default:s="L2R"}break;case"ViewArea":case"ViewClip":case"PrintArea":case"PrintClip":switch(n.name){case"MediaBox":case"CropBox":case"BleedBox":case"TrimBox":case"ArtBox":s=n.name;break;default:s="CropBox"}break;case"PrintScaling":switch(n.name){case"None":case"AppDefault":s=n.name;break;default:s="AppDefault"}break;case"Duplex":switch(n.name){case"Simplex":case"DuplexFlipShortEdge":case"DuplexFlipLongEdge":s=n.name;break;default:s="None"}break;case"PrintPageRange":if(n.length%2!=0)break;n.every((e,t,r)=>Number.isInteger(e)&&e>0&&(0===t||e>=r[t-1])&&e<=this.numPages)&&(s=n);break;case"NumCopies":n>0&&(s=n);break;default:if("boolean"!=typeof n)throw new a.FormatError("viewerPreferences - expected a boolean value for: "+i);s=n}if(void 0!==s){r||(r=Object.create(null));r[i]=s}else(0,a.info)(`Bad value in ViewerPreferences for "${i}".`)}return(0,a.shadow)(this,"viewerPreferences",r)}get openAction(){const e=this._catDict.get("OpenAction");let t=null;if((0,i.isDict)(e)){const r=new i.Dict(this.xref);r.set("A",e);const a={url:null,dest:null,action:null};Catalog.parseDestDictionary({destDict:r,resultObj:a});if(Array.isArray(a.dest)){t||(t=Object.create(null));t.dest=a.dest}else if(a.action){t||(t=Object.create(null));t.action=a.action}}else if(Array.isArray(e)){t||(t=Object.create(null));t.dest=e}return(0,a.shadow)(this,"openAction",t)}get attachments(){const e=this._catDict.get("Names");let t=null;if(e&&e.has("EmbeddedFiles")){const r=new NameTree(e.getRaw("EmbeddedFiles"),this.xref).getAll();for(const e in r){const i=new u(r[e],this.xref);t||(t=Object.create(null));t[(0,a.stringToPDFString)(e)]=i.serializable}}return(0,a.shadow)(this,"attachments",t)}get javaScript(){const e=this._catDict.get("Names");let t=null;function appendIfJavaScriptDict(e){const r=e.get("S");if(!(0,i.isName)(r,"JavaScript"))return;let n=e.get("JS");if((0,i.isStream)(n))n=(0,a.bytesToString)(n.getBytes());else if(!(0,a.isString)(n))return;t||(t=[]);t.push((0,a.stringToPDFString)(n))}if(e&&e.has("JavaScript")){const t=new NameTree(e.getRaw("JavaScript"),this.xref).getAll();for(const e in t){const r=t[e];(0,i.isDict)(r)&&appendIfJavaScriptDict(r)}}const r=this._catDict.get("OpenAction");(0,i.isDict)(r)&&(0,i.isName)(r.get("S"),"JavaScript")&&appendIfJavaScriptDict(r);return(0,a.shadow)(this,"javaScript",t)}fontFallback(e,t){const r=[];this.fontCache.forEach((function(e){r.push(e)}));return Promise.all(r).then(r=>{for(const a of r)if(a.loadedName===e){a.fallback(t);return}})}cleanup(e=!1){(0,i.clearPrimitiveCaches)();this.globalImageCache.clear(e);this.pageKidsCountCache.clear();const t=[];this.fontCache.forEach((function(e){t.push(e)}));return Promise.all(t).then(e=>{for(const{dict:t}of e)delete t.translated;this.fontCache.clear();this.builtInCMapCache.clear()})}getPageDict(e){const t=(0,a.createPromiseCapability)(),r=[this._catDict.getRaw("Pages")],n=new i.RefSet,s=this.xref,o=this.pageKidsCountCache;let c,l=0;!function next(){for(;r.length;){const h=r.pop();if((0,i.isRef)(h)){c=o.get(h);if(c>0&&l+c<e){l+=c;continue}if(n.has(h)){t.reject(new a.FormatError("Pages tree contains circular reference."));return}n.put(h);s.fetchAsync(h).then((function(a){if((0,i.isDict)(a,"Page")||(0,i.isDict)(a)&&!a.has("Kids"))if(e===l){h&&!o.has(h)&&o.put(h,1);t.resolve([a,h])}else{l++;next()}else{r.push(a);next()}}),t.reject);return}if(!(0,i.isDict)(h)){t.reject(new a.FormatError("Page dictionary kid reference points to wrong type of object."));return}c=h.get("Count");if(Number.isInteger(c)&&c>=0){const t=h.objId;t&&!o.has(t)&&o.put(t,c);if(l+c<=e){l+=c;continue}}const u=h.get("Kids");if(!Array.isArray(u)){if((0,i.isName)(h.get("Type"),"Page")||!h.has("Type")&&h.has("Contents")){if(l===e){t.resolve([h,null]);return}l++;continue}t.reject(new a.FormatError("Page dictionary kids object is not an array."));return}for(let e=u.length-1;e>=0;e--)r.push(u[e])}t.reject(new Error(`Page index ${e} not found.`))}();return t.promise}getPageIndex(e){const t=this.xref;let r=0;return function next(n){return function pagesBeforeRef(r){let n,s=0;return t.fetchAsync(r).then((function(t){if((0,i.isRefsEqual)(r,e)&&!(0,i.isDict)(t,"Page")&&(!(0,i.isDict)(t)||t.has("Type")||!t.has("Contents")))throw new a.FormatError("The reference does not point to a /Page dictionary.");if(!t)return null;if(!(0,i.isDict)(t))throw new a.FormatError("Node must be a dictionary.");n=t.getRaw("Parent");return t.getAsync("Parent")})).then((function(e){if(!e)return null;if(!(0,i.isDict)(e))throw new a.FormatError("Parent must be a dictionary.");return e.getAsync("Kids")})).then((function(e){if(!e)return null;const o=[];let c=!1;for(let n=0,l=e.length;n<l;n++){const l=e[n];if(!(0,i.isRef)(l))throw new a.FormatError("Kid must be a reference.");if((0,i.isRefsEqual)(l,r)){c=!0;break}o.push(t.fetchAsync(l).then((function(e){if(!(0,i.isDict)(e))throw new a.FormatError("Kid node must be a dictionary.");e.has("Count")?s+=e.get("Count"):s++})))}if(!c)throw new a.FormatError("Kid reference not found in parent's kids.");return Promise.all(o).then((function(){return[s,n]}))}))}(n).then((function(e){if(!e)return r;const[t,a]=e;r+=t;return next(a)}))}(e)}static parseDestDictionary(e){const t=e.destDict;if(!(0,i.isDict)(t)){(0,a.warn)("parseDestDictionary: `destDict` must be a dictionary.");return}const r=e.resultObj;if("object"!=typeof r){(0,a.warn)("parseDestDictionary: `resultObj` must be an object.");return}const n=e.docBaseUrl||null;let s,o,c=t.get("A");!(0,i.isDict)(c)&&t.has("Dest")&&(c=t.get("Dest"));if((0,i.isDict)(c)){const e=c.get("S");if(!(0,i.isName)(e)){(0,a.warn)("parseDestDictionary: Invalid type in Action dictionary.");return}const t=e.name;switch(t){case"URI":s=c.get("URI");(0,i.isName)(s)?s="/"+s.name:(0,a.isString)(s)&&(s=function addDefaultProtocolToUrl(e){return e.startsWith("www.")?"http://"+e:e}(s));break;case"GoTo":o=c.get("D");break;case"Launch":case"GoToR":const e=c.get("F");(0,i.isDict)(e)?s=e.get("F")||null:(0,a.isString)(e)&&(s=e);let n=c.get("D");if(n){(0,i.isName)(n)&&(n=n.name);if((0,a.isString)(s)){const e=s.split("#")[0];(0,a.isString)(n)?s=e+"#"+n:Array.isArray(n)&&(s=e+"#"+JSON.stringify(n))}}const l=c.get("NewWindow");(0,a.isBool)(l)&&(r.newWindow=l);break;case"Named":const h=c.get("N");(0,i.isName)(h)&&(r.action=h.name);break;case"JavaScript":const u=c.get("JS");let d;(0,i.isStream)(u)?d=(0,a.bytesToString)(u.getBytes()):(0,a.isString)(u)&&(d=u);if(d){const e=new RegExp("^\\s*("+["app.launchURL","window.open"].join("|").split(".").join("\\.")+")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))","i").exec((0,a.stringToPDFString)(d));if(e&&e[2]){s=e[2];"true"===e[3]&&"app.launchURL"===e[1]&&(r.newWindow=!0);break}}default:(0,a.warn)(`parseDestDictionary: unsupported action type "${t}".`)}}else t.has("Dest")&&(o=t.get("Dest"));if((0,a.isString)(s)){s=function tryConvertUrlEncoding(e){try{return(0,a.stringToUTF8String)(e)}catch(t){return e}}(s);const e=(0,a.createValidAbsoluteUrl)(s,n);e&&(r.url=e.href);r.unsafeUrl=s}if(o){(0,i.isName)(o)&&(o=o.name);((0,a.isString)(o)||Array.isArray(o))&&(r.dest=o)}}}t.Catalog=Catalog;var h=function XRefClosure(){function XRef(e,t){this.stream=e;this.pdfManager=t;this.entries=[];this.xrefstms=Object.create(null);this._cacheMap=new Map;this.stats={streamTypes:Object.create(null),fontTypes:Object.create(null)};this._newRefNum=null}XRef.prototype={getNewRef:function XRef_getNewRef(){null===this._newRefNum&&(this._newRefNum=this.entries.length);return i.Ref.get(this._newRefNum++,0)},resetNewRef:function XRef_resetNewRef(){this._newRefNum=null},setStartXRef:function XRef_setStartXRef(e){this.startXRefQueue=[e]},parse:function XRef_parse(e){var t;if(e){(0,a.warn)("Indexing all PDF objects");t=this.indexObjects()}else t=this.readXRef();t.assignXref(this);this.trailer=t;let r,n;try{r=t.get("Encrypt")}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)(`XRef.parse - Invalid "Encrypt" reference: "${e}".`)}if((0,i.isDict)(r)){var c=t.get("ID"),l=c&&c.length?c[0]:"";r.suppressEncryption=!0;this.encrypt=new o.CipherTransformFactory(r,l,this.pdfManager.password)}try{n=t.get("Root")}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)(`XRef.parse - Invalid "Root" reference: "${e}".`)}if(!(0,i.isDict)(n)||!n.has("Pages")){if(!e)throw new s.XRefParseException;throw new a.FormatError("Invalid root reference")}this.root=n},processXRefTable:function XRef_processXRefTable(e){"tableState"in this||(this.tableState={entryNum:0,streamPos:e.lexer.stream.pos,parserBuf1:e.buf1,parserBuf2:e.buf2});var t=this.readXRefTable(e);if(!(0,i.isCmd)(t,"trailer"))throw new a.FormatError("Invalid XRef table: could not find trailer dictionary");var r=e.getObj();!(0,i.isDict)(r)&&r.dict&&(r=r.dict);if(!(0,i.isDict)(r))throw new a.FormatError("Invalid XRef table: could not parse trailer dictionary");delete this.tableState;return r},readXRefTable:function XRef_readXRefTable(e){var t,r=e.lexer.stream,n=this.tableState;r.pos=n.streamPos;e.buf1=n.parserBuf1;e.buf2=n.parserBuf2;for(;;){if(!("firstEntryNum"in n)||!("entryCount"in n)){if((0,i.isCmd)(t=e.getObj(),"trailer"))break;n.firstEntryNum=t;n.entryCount=e.getObj()}var s=n.firstEntryNum,o=n.entryCount;if(!Number.isInteger(s)||!Number.isInteger(o))throw new a.FormatError("Invalid XRef table: wrong types in subsection header");for(var c=n.entryNum;c<o;c++){n.streamPos=r.pos;n.entryNum=c;n.parserBuf1=e.buf1;n.parserBuf2=e.buf2;var l={};l.offset=e.getObj();l.gen=e.getObj();var h=e.getObj();if(h instanceof i.Cmd)switch(h.cmd){case"f":l.free=!0;break;case"n":l.uncompressed=!0}if(!Number.isInteger(l.offset)||!Number.isInteger(l.gen)||!l.free&&!l.uncompressed)throw new a.FormatError(`Invalid entry in XRef subsection: ${s}, ${o}`);0===c&&l.free&&1===s&&(s=0);this.entries[c+s]||(this.entries[c+s]=l)}n.entryNum=0;n.streamPos=r.pos;n.parserBuf1=e.buf1;n.parserBuf2=e.buf2;delete n.firstEntryNum;delete n.entryCount}if(this.entries[0]&&!this.entries[0].free)throw new a.FormatError("Invalid XRef table: unexpected first object");return t},processXRefStream:function XRef_processXRefStream(e){if(!("streamState"in this)){var t=e.dict,r=t.get("W"),a=t.get("Index");a||(a=[0,t.get("Size")]);this.streamState={entryRanges:a,byteWidths:r,entryNum:0,streamPos:e.pos}}this.readXRefStream(e);delete this.streamState;return e.dict},readXRefStream:function XRef_readXRefStream(e){var t,r,i=this.streamState;e.pos=i.streamPos;for(var n=i.byteWidths,s=n[0],o=n[1],c=n[2],l=i.entryRanges;l.length>0;){var h=l[0],u=l[1];if(!Number.isInteger(h)||!Number.isInteger(u))throw new a.FormatError(`Invalid XRef range fields: ${h}, ${u}`);if(!Number.isInteger(s)||!Number.isInteger(o)||!Number.isInteger(c))throw new a.FormatError(`Invalid XRef entry fields length: ${h}, ${u}`);for(t=i.entryNum;t<u;++t){i.entryNum=t;i.streamPos=e.pos;var d=0,f=0,g=0;for(r=0;r<s;++r)d=d<<8|e.getByte();0===s&&(d=1);for(r=0;r<o;++r)f=f<<8|e.getByte();for(r=0;r<c;++r)g=g<<8|e.getByte();var m={};m.offset=f;m.gen=g;switch(d){case 0:m.free=!0;break;case 1:m.uncompressed=!0;break;case 2:break;default:throw new a.FormatError("Invalid XRef entry type: "+d)}this.entries[h+t]||(this.entries[h+t]=m)}i.entryNum=0;i.streamPos=e.pos;l.splice(0,2)}},indexObjects:function XRef_indexObjects(){function readToken(e,t){for(var r="",a=e[t];10!==a&&13!==a&&60!==a&&!(++t>=e.length);){r+=String.fromCharCode(a);a=e[t]}return r}function skipUntil(e,t,r){for(var a=r.length,i=e.length,n=0;t<i;){for(var s=0;s<a&&e[t+s]===r[s];)++s;if(s>=a)break;t++;n++}return n}var e=/^(\d+)\s+(\d+)\s+obj\b/;const t=/\bendobj[\b\s]$/,r=/\s+(\d+\s+\d+\s+obj[\b\s<])$/;var o=new Uint8Array([116,114,97,105,108,101,114]),c=new Uint8Array([115,116,97,114,116,120,114,101,102]);const l=new Uint8Array([111,98,106]);var h=new Uint8Array([47,88,82,101,102]);this.entries.length=0;var u=this.stream;u.pos=0;for(var d,f,g=u.getBytes(),m=u.start,p=g.length,b=[],y=[];m<p;){var v=g[m];if(9!==v&&10!==v&&13!==v&&32!==v)if(37!==v){var w,k=readToken(g,m);if(k.startsWith("xref")&&(4===k.length||/\s/.test(k[4]))){m+=skipUntil(g,m,o);b.push(m);m+=skipUntil(g,m,c)}else if(w=e.exec(k)){const e=0|w[1],i=0|w[2];this.entries[e]&&this.entries[e].gen!==i||(this.entries[e]={offset:m-u.start,gen:i,uncompressed:!0});let n,s=m+k.length;for(;s<g.length;){const e=s+skipUntil(g,s,l)+4;n=e-m;const i=Math.max(e-25,s),o=(0,a.bytesToString)(g.subarray(i,e));if(t.test(o))break;{const e=r.exec(o);if(e&&e[1]){(0,a.warn)('indexObjects: Found new "obj" inside of another "obj", caused by missing "endobj" -- trying to recover.');n-=e[1].length;break}}s=e}const o=g.subarray(m,m+n);var S=skipUntil(o,0,h);if(S<n&&o[S+5]<64){y.push(m-u.start);this.xrefstms[m-u.start]=1}m+=n}else if(k.startsWith("trailer")&&(7===k.length||/\s/.test(k[7]))){b.push(m);m+=skipUntil(g,m,c)}else m+=k.length+1}else do{if(++m>=p)break;v=g[m]}while(10!==v&&13!==v);else++m}for(d=0,f=y.length;d<f;++d){this.startXRefQueue.push(y[d]);this.readXRef(!0)}let C;for(d=0,f=b.length;d<f;++d){u.pos=b[d];const e=new n.Parser({lexer:new n.Lexer(u),xref:this,allowStreams:!0,recoveryMode:!0});var x=e.getObj();if(!(0,i.isCmd)(x,"trailer"))continue;const t=e.getObj();if(!(0,i.isDict)(t))continue;let r;try{r=t.get("Root")}catch(e){if(e instanceof s.MissingDataException)throw e;continue}if((0,i.isDict)(r)&&r.has("Pages")){if(t.has("ID"))return t;C=t}}if(C)return C;throw new a.InvalidPDFException("Invalid PDF structure.")},readXRef:function XRef_readXRef(e){var t=this.stream;const r=Object.create(null);try{for(;this.startXRefQueue.length;){var o=this.startXRefQueue[0];if(r[o]){(0,a.warn)("readXRef - skipping XRef table since it was already parsed.");this.startXRefQueue.shift();continue}r[o]=!0;t.pos=o+t.start;const e=new n.Parser({lexer:new n.Lexer(t),xref:this,allowStreams:!0});var c,l=e.getObj();if((0,i.isCmd)(l,"xref")){c=this.processXRefTable(e);this.topDict||(this.topDict=c);l=c.get("XRefStm");if(Number.isInteger(l)){var h=l;if(!(h in this.xrefstms)){this.xrefstms[h]=1;this.startXRefQueue.push(h)}}}else{if(!Number.isInteger(l))throw new a.FormatError("Invalid XRef stream header");if(!Number.isInteger(e.getObj())||!(0,i.isCmd)(e.getObj(),"obj")||!(0,i.isStream)(l=e.getObj()))throw new a.FormatError("Invalid XRef stream");c=this.processXRefStream(l);this.topDict||(this.topDict=c);if(!c)throw new a.FormatError("Failed to read XRef stream")}l=c.get("Prev");Number.isInteger(l)?this.startXRefQueue.push(l):(0,i.isRef)(l)&&this.startXRefQueue.push(l.num);this.startXRefQueue.shift()}return this.topDict}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.info)("(while reading XRef): "+e)}if(!e)throw new s.XRefParseException},getEntry:function XRef_getEntry(e){var t=this.entries[e];return t&&!t.free&&t.offset?t:null},fetchIfRef:function XRef_fetchIfRef(e,t){return e instanceof i.Ref?this.fetch(e,t):e},fetch:function XRef_fetch(e,t){if(!(e instanceof i.Ref))throw new Error("ref object is not a reference");const r=e.num,a=this._cacheMap.get(r);if(void 0!==a){a instanceof i.Dict&&!a.objId&&(a.objId=e.toString());return a}let n=this.getEntry(r);if(null===n){this._cacheMap.set(r,n);return n}n=n.uncompressed?this.fetchUncompressed(e,n,t):this.fetchCompressed(e,n,t);(0,i.isDict)(n)?n.objId=e.toString():(0,i.isStream)(n)&&(n.dict.objId=e.toString());return n},fetchUncompressed(e,t,r=!1){var a=e.gen,o=e.num;if(t.gen!==a)throw new s.XRefEntryException("Inconsistent generation in XRef: "+e);var c=this.stream.makeSubStream(t.offset+this.stream.start);const l=new n.Parser({lexer:new n.Lexer(c),xref:this,allowStreams:!0});var h=l.getObj(),u=l.getObj(),d=l.getObj();if(h!==o||u!==a||!(d instanceof i.Cmd))throw new s.XRefEntryException("Bad (uncompressed) XRef entry: "+e);if("obj"!==d.cmd){if(d.cmd.startsWith("obj")){o=parseInt(d.cmd.substring(3),10);if(!Number.isNaN(o))return o}throw new s.XRefEntryException("Bad (uncompressed) XRef entry: "+e)}t=this.encrypt&&!r?l.getObj(this.encrypt.createCipherTransform(o,a)):l.getObj();(0,i.isStream)(t)||this._cacheMap.set(o,t);return t},fetchCompressed(e,t,r=!1){const o=t.offset,c=this.fetch(i.Ref.get(o,0));if(!(0,i.isStream)(c))throw new a.FormatError("bad ObjStm stream");const l=c.dict.get("First"),h=c.dict.get("N");if(!Number.isInteger(l)||!Number.isInteger(h))throw new a.FormatError("invalid first and n parameters for ObjStm stream");const u=new n.Parser({lexer:new n.Lexer(c),xref:this,allowStreams:!0}),d=new Array(h);for(let e=0;e<h;++e){const t=u.getObj();if(!Number.isInteger(t))throw new a.FormatError("invalid object number in the ObjStm stream: "+t);const r=u.getObj();if(!Number.isInteger(r))throw new a.FormatError("invalid object offset in the ObjStm stream: "+r);d[e]=t}const f=new Array(h);for(let e=0;e<h;++e){const t=u.getObj();f[e]=t;u.buf1 instanceof i.Cmd&&"endobj"===u.buf1.cmd&&u.shift();if((0,i.isStream)(t))continue;const r=d[e],a=this.entries[r];a&&a.offset===o&&a.gen===e&&this._cacheMap.set(r,t)}if(void 0===(t=f[t.gen]))throw new s.XRefEntryException("Bad (compressed) XRef entry: "+e);return t},async fetchIfRefAsync(e,t){return e instanceof i.Ref?this.fetchAsync(e,t):e},async fetchAsync(e,t){try{return this.fetch(e,t)}catch(r){if(!(r instanceof s.MissingDataException))throw r;await this.pdfManager.requestRange(r.begin,r.end);return this.fetchAsync(e,t)}},getCatalogObj:function XRef_getCatalogObj(){return this.root}};return XRef}();t.XRef=h;class NameOrNumberTree{constructor(e,t,r){this.constructor===NameOrNumberTree&&(0,a.unreachable)("Cannot initialize NameOrNumberTree.");this.root=e;this.xref=t;this._type=r}getAll(){const e=Object.create(null);if(!this.root)return e;const t=this.xref,r=new i.RefSet;r.put(this.root);const n=[this.root];for(;n.length>0;){const s=t.fetchIfRef(n.shift());if(!(0,i.isDict)(s))continue;if(s.has("Kids")){const e=s.get("Kids");for(let t=0,i=e.length;t<i;t++){const i=e[t];if(r.has(i))throw new a.FormatError(`Duplicate entry in "${this._type}" tree.`);n.push(i);r.put(i)}continue}const o=s.get(this._type);if(Array.isArray(o))for(let r=0,a=o.length;r<a;r+=2)e[t.fetchIfRef(o[r])]=t.fetchIfRef(o[r+1])}return e}get(e){if(!this.root)return null;const t=this.xref;let r=t.fetchIfRef(this.root),i=0;for(;r.has("Kids");){if(++i>10){(0,a.warn)(`Search depth limit reached for "${this._type}" tree.`);return null}const n=r.get("Kids");if(!Array.isArray(n))return null;let s=0,o=n.length-1;for(;s<=o;){const a=s+o>>1,i=t.fetchIfRef(n[a]).get("Limits");if(e<t.fetchIfRef(i[0]))o=a-1;else{if(!(e>t.fetchIfRef(i[1]))){r=t.fetchIfRef(n[a]);break}s=a+1}}if(s>o)return null}const n=r.get(this._type);if(Array.isArray(n)){let r=0,i=n.length-2;for(;r<=i;){const a=r+i>>1,s=a+(1&a),o=t.fetchIfRef(n[s]);if(e<o)i=s-2;else{if(!(e>o))return t.fetchIfRef(n[s+1]);r=s+2}}(0,a.info)(`Falling back to an exhaustive search, for key "${e}", in "${this._type}" tree.`);for(let r=0,i=n.length;r<i;r+=2){if(t.fetchIfRef(n[r])===e){(0,a.warn)(`The "${e}" key was found at an incorrect, i.e. out-of-order, position in "${this._type}" tree.`);return t.fetchIfRef(n[r+1])}}}return null}}class NameTree extends NameOrNumberTree{constructor(e,t){super(e,t,"Names")}}class NumberTree extends NameOrNumberTree{constructor(e,t){super(e,t,"Nums")}}var u=function FileSpecClosure(){function FileSpec(e,t){if(e&&(0,i.isDict)(e)){this.xref=t;this.root=e;e.has("FS")&&(this.fs=e.get("FS"));this.description=e.has("Desc")?(0,a.stringToPDFString)(e.get("Desc")):"";e.has("RF")&&(0,a.warn)("Related file specifications are not supported");this.contentAvailable=!0;if(!e.has("EF")){this.contentAvailable=!1;(0,a.warn)("Non-embedded file specifications are not supported")}}}function pickPlatformItem(e){return e.has("UF")?e.get("UF"):e.has("F")?e.get("F"):e.has("Unix")?e.get("Unix"):e.has("Mac")?e.get("Mac"):e.has("DOS")?e.get("DOS"):null}FileSpec.prototype={get filename(){if(!this._filename&&this.root){var e=pickPlatformItem(this.root)||"unnamed";this._filename=(0,a.stringToPDFString)(e).replace(/\\\\/g,"\\").replace(/\\\//g,"/").replace(/\\/g,"/")}return this._filename},get content(){if(!this.contentAvailable)return null;!this.contentRef&&this.root&&(this.contentRef=pickPlatformItem(this.root.get("EF")));var e=null;if(this.contentRef){var t=this.xref.fetchIfRef(this.contentRef);t&&(0,i.isStream)(t)?e=t.getBytes():(0,a.warn)("Embedded file specification points to non-existing/invalid content")}else(0,a.warn)("Embedded file specification does not have a content");return e},get serializable(){return{filename:this.filename,content:this.content}}};return FileSpec}();t.FileSpec=u;const d=function(){function addChildren(e,t){if(e instanceof i.Dict)e=e.getRawValues();else if((0,i.isStream)(e))e=e.dict.getRawValues();else if(!Array.isArray(e))return;for(const a of e)((r=a)instanceof i.Ref||r instanceof i.Dict||Array.isArray(r)||(0,i.isStream)(r))&&t.push(a);var r}function ObjectLoader(e,t,r){this.dict=e;this.keys=t;this.xref=r;this.refSet=null}ObjectLoader.prototype={async load(){if(!this.xref.stream.allChunksLoaded||this.xref.stream.allChunksLoaded())return;const{keys:e,dict:t}=this;this.refSet=new i.RefSet;const r=[];for(let a=0,i=e.length;a<i;a++){const i=t.getRaw(e[a]);void 0!==i&&r.push(i)}return this._walk(r)},async _walk(e){const t=[],r=[];for(;e.length;){let a=e.pop();if(a instanceof i.Ref){if(this.refSet.has(a))continue;try{this.refSet.put(a);a=this.xref.fetch(a)}catch(e){if(!(e instanceof s.MissingDataException))throw e;t.push(a);r.push({begin:e.begin,end:e.end})}}if(a&&a.getBaseStreams){const e=a.getBaseStreams();let i=!1;for(let t=0,a=e.length;t<a;t++){const a=e[t];if(a.allChunksLoaded&&!a.allChunksLoaded()){i=!0;r.push({begin:a.start,end:a.end})}}i&&t.push(a)}addChildren(a,e)}if(r.length){await this.xref.stream.manager.requestRanges(r);for(let e=0,r=t.length;e<r;e++){const r=t[e];r instanceof i.Ref&&this.refSet.remove(r)}return this._walk(t)}this.refSet=null}};return ObjectLoader}();t.ObjectLoader=d},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Parser=t.Linearization=t.Lexer=void 0;var a=r(12),i=r(2),n=r(5),s=r(8),o=r(13),c=r(15),l=r(18),h=r(20);function computeAdler32(e){const t=e.length;let r=1,a=0;for(let i=0;i<t;++i){r+=255&e[i];a+=r}return a%65521<<16|r%65521}class Parser{constructor({lexer:e,xref:t,allowStreams:r=!1,recoveryMode:a=!1}){this.lexer=e;this.xref=t;this.allowStreams=r;this.recoveryMode=a;this.imageCache=Object.create(null);this.refill()}refill(){this.buf1=this.lexer.getObj();this.buf2=this.lexer.getObj()}shift(){if(this.buf2 instanceof n.Cmd&&"ID"===this.buf2.cmd){this.buf1=this.buf2;this.buf2=null}else{this.buf1=this.buf2;this.buf2=this.lexer.getObj()}}tryShift(){try{this.shift();return!0}catch(e){if(e instanceof s.MissingDataException)throw e;return!1}}getObj(e=null){const t=this.buf1;this.shift();if(t instanceof n.Cmd)switch(t.cmd){case"BI":return this.makeInlineImage(e);case"[":const r=[];for(;!(0,n.isCmd)(this.buf1,"]")&&!(0,n.isEOF)(this.buf1);)r.push(this.getObj(e));if((0,n.isEOF)(this.buf1)){if(!this.recoveryMode)throw new i.FormatError("End of file inside array");return r}this.shift();return r;case"<<":const a=new n.Dict(this.xref);for(;!(0,n.isCmd)(this.buf1,">>")&&!(0,n.isEOF)(this.buf1);){if(!(0,n.isName)(this.buf1)){(0,i.info)("Malformed dictionary: key must be a name object");this.shift();continue}const t=this.buf1.name;this.shift();if((0,n.isEOF)(this.buf1))break;a.set(t,this.getObj(e))}if((0,n.isEOF)(this.buf1)){if(!this.recoveryMode)throw new i.FormatError("End of file inside dictionary");return a}if((0,n.isCmd)(this.buf2,"stream"))return this.allowStreams?this.makeStream(a,e):a;this.shift();return a;default:return t}if(Number.isInteger(t)){if(Number.isInteger(this.buf1)&&(0,n.isCmd)(this.buf2,"R")){const e=n.Ref.get(t,this.buf1);this.shift();this.shift();return e}return t}return"string"==typeof t&&e?e.decryptString(t):t}findDefaultInlineStreamEnd(e){const t=this.lexer,r=e.pos;let a,o,c=0;for(;-1!==(a=e.getByte());)if(0===c)c=69===a?1:0;else if(1===c)c=73===a?2:0;else{(0,i.assert)(2===c,"findDefaultInlineStreamEnd - invalid state.");if(32===a||10===a||13===a){o=e.pos;const r=e.peekBytes(10);for(let e=0,t=r.length;e<t;e++){a=r[e];if((0!==a||0===r[e+1])&&(10!==a&&13!==a&&(a<32||a>127))){c=0;break}}if(2!==c)continue;if(t.knownCommands){const e=t.peekObj();e instanceof n.Cmd&&!t.knownCommands[e.cmd]&&(c=0)}else(0,i.warn)("findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.");if(2===c)break}else c=0}if(-1===a){(0,i.warn)("findDefaultInlineStreamEnd: Reached the end of the stream without finding a valid EI marker");if(o){(0,i.warn)('... trying to recover by using the last "EI" occurrence.');e.skip(-(e.pos-o))}}let l=4;e.skip(-l);a=e.peekByte();e.skip(l);(0,s.isWhiteSpace)(a)||l--;return e.pos-l-r}findDCTDecodeInlineStreamEnd(e){const t=e.pos;let r,a,n=!1;for(;-1!==(r=e.getByte());)if(255===r){switch(e.getByte()){case 0:break;case 255:e.skip(-1);break;case 217:n=!0;break;case 192:case 193:case 194:case 195:case 197:case 198:case 199:case 201:case 202:case 203:case 205:case 206:case 207:case 196:case 204:case 218:case 219:case 220:case 221:case 222:case 223:case 224:case 225:case 226:case 227:case 228:case 229:case 230:case 231:case 232:case 233:case 234:case 235:case 236:case 237:case 238:case 239:case 254:a=e.getUint16();a>2?e.skip(a-2):e.skip(-2)}if(n)break}const s=e.pos-t;if(-1===r){(0,i.warn)("Inline DCTDecode image stream: EOI marker not found, searching for /EI/ instead.");e.skip(-s);return this.findDefaultInlineStreamEnd(e)}this.inlineStreamSkipEI(e);return s}findASCII85DecodeInlineStreamEnd(e){const t=e.pos;let r;for(;-1!==(r=e.getByte());)if(126===r){const t=e.pos;r=e.peekByte();for(;(0,s.isWhiteSpace)(r);){e.skip();r=e.peekByte()}if(62===r){e.skip();break}if(e.pos>t){const t=e.peekBytes(2);if(69===t[0]&&73===t[1])break}}const a=e.pos-t;if(-1===r){(0,i.warn)("Inline ASCII85Decode image stream: EOD marker not found, searching for /EI/ instead.");e.skip(-a);return this.findDefaultInlineStreamEnd(e)}this.inlineStreamSkipEI(e);return a}findASCIIHexDecodeInlineStreamEnd(e){const t=e.pos;let r;for(;-1!==(r=e.getByte())&&62!==r;);const a=e.pos-t;if(-1===r){(0,i.warn)("Inline ASCIIHexDecode image stream: EOD marker not found, searching for /EI/ instead.");e.skip(-a);return this.findDefaultInlineStreamEnd(e)}this.inlineStreamSkipEI(e);return a}inlineStreamSkipEI(e){let t,r=0;for(;-1!==(t=e.getByte());)if(0===r)r=69===t?1:0;else if(1===r)r=73===t?2:0;else if(2===r)break}makeInlineImage(e){const t=this.lexer,r=t.stream,a=new n.Dict(this.xref);let s;for(;!(0,n.isCmd)(this.buf1,"ID")&&!(0,n.isEOF)(this.buf1);){if(!(0,n.isName)(this.buf1))throw new i.FormatError("Dictionary key must be a name object");const t=this.buf1.name;this.shift();if((0,n.isEOF)(this.buf1))break;a.set(t,this.getObj(e))}-1!==t.beginInlineImagePos&&(s=r.pos-t.beginInlineImagePos);const o=a.get("Filter","F");let c;if((0,n.isName)(o))c=o.name;else if(Array.isArray(o)){const e=this.xref.fetchIfRef(o[0]);(0,n.isName)(e)&&(c=e.name)}const l=r.pos;let h;h="DCTDecode"===c||"DCT"===c?this.findDCTDecodeInlineStreamEnd(r):"ASCII85Decode"===c||"A85"===c?this.findASCII85DecodeInlineStreamEnd(r):"ASCIIHexDecode"===c||"AHx"===c?this.findASCIIHexDecodeInlineStreamEnd(r):this.findDefaultInlineStreamEnd(r);let u,d=r.makeSubStream(l,h,a);if(h<1e3&&s<5552){const e=d.getBytes();d.reset();const a=r.pos;r.pos=t.beginInlineImagePos;const i=r.getBytes(s);r.pos=a;u=computeAdler32(e)+"_"+computeAdler32(i);const o=this.imageCache[u];if(void 0!==o){this.buf2=n.Cmd.get("EI");this.shift();o.reset();return o}}e&&(d=e.createStream(d,h));d=this.filter(d,a,h);d.dict=a;if(void 0!==u){d.cacheKey=`inline_${h}_${u}`;this.imageCache[u]=d}this.buf2=n.Cmd.get("EI");this.shift();return d}_findStreamLength(e,t){const{stream:r}=this.lexer;r.pos=e;const a=t.length;for(;r.pos<r.end;){const i=r.peekBytes(2048),n=i.length-a;if(n<=0)break;let s=0;for(;s<n;){let n=0;for(;n<a&&i[s+n]===t[n];)n++;if(n>=a){r.pos+=s;return r.pos-e}s++}r.pos+=n}return-1}makeStream(e,t){const r=this.lexer;let a=r.stream;r.skipToNextLine();const o=a.pos-1;let c=e.get("Length");if(!Number.isInteger(c)){(0,i.info)(`Bad length "${c}" in stream`);c=0}a.pos=o+c;r.nextChar();if(this.tryShift()&&(0,n.isCmd)(this.buf2,"endstream"))this.shift();else{const e=new Uint8Array([101,110,100,115,116,114,101,97,109]);let t=this._findStreamLength(o,e);if(t<0){const r=1;for(let n=1;n<=r;n++){const r=e.length-n,c=e.slice(0,r),l=this._findStreamLength(o,c);if(l>=0){const e=a.peekBytes(r+1)[r];if(!(0,s.isWhiteSpace)(e))break;(0,i.info)(`Found "${(0,i.bytesToString)(c)}" when searching for endstream command.`);t=l;break}}if(t<0)throw new i.FormatError("Missing endstream command.")}c=t;r.nextChar();this.shift();this.shift()}this.shift();a=a.makeSubStream(o,c,e);t&&(a=t.createStream(a,c));a=this.filter(a,e,c);a.dict=e;return a}filter(e,t,r){let a=t.get("Filter","F"),s=t.get("DecodeParms","DP");if((0,n.isName)(a)){Array.isArray(s)&&(0,i.warn)("/DecodeParms should not contain an Array, when /Filter contains a Name.");return this.makeFilter(e,a.name,r,s)}let o=r;if(Array.isArray(a)){const t=a,r=s;for(let c=0,l=t.length;c<l;++c){a=this.xref.fetchIfRef(t[c]);if(!(0,n.isName)(a))throw new i.FormatError(`Bad filter name "${a}"`);s=null;Array.isArray(r)&&c in r&&(s=this.xref.fetchIfRef(r[c]));e=this.makeFilter(e,a.name,o,s);o=null}}return e}makeFilter(e,t,r,n){if(0===r){(0,i.warn)(`Empty "${t}" stream.`);return new a.NullStream}try{const s=this.xref.stats.streamTypes;if("FlateDecode"===t||"Fl"===t){s[i.StreamType.FLATE]=!0;return n?new a.PredictorStream(new a.FlateStream(e,r),r,n):new a.FlateStream(e,r)}if("LZWDecode"===t||"LZW"===t){s[i.StreamType.LZW]=!0;let t=1;if(n){n.has("EarlyChange")&&(t=n.get("EarlyChange"));return new a.PredictorStream(new a.LZWStream(e,r,t),r,n)}return new a.LZWStream(e,r,t)}if("DCTDecode"===t||"DCT"===t){s[i.StreamType.DCT]=!0;return new l.JpegStream(e,r,e.dict,n)}if("JPXDecode"===t||"JPX"===t){s[i.StreamType.JPX]=!0;return new h.JpxStream(e,r,e.dict,n)}if("ASCII85Decode"===t||"A85"===t){s[i.StreamType.A85]=!0;return new a.Ascii85Stream(e,r)}if("ASCIIHexDecode"===t||"AHx"===t){s[i.StreamType.AHX]=!0;return new a.AsciiHexStream(e,r)}if("CCITTFaxDecode"===t||"CCF"===t){s[i.StreamType.CCF]=!0;return new o.CCITTFaxStream(e,r,n)}if("RunLengthDecode"===t||"RL"===t){s[i.StreamType.RLX]=!0;return new a.RunLengthStream(e,r)}if("JBIG2Decode"===t){s[i.StreamType.JBIG]=!0;return new c.Jbig2Stream(e,r,e.dict,n)}(0,i.warn)(`Filter "${t}" is not supported.`);return e}catch(e){if(e instanceof s.MissingDataException)throw e;(0,i.warn)(`Invalid stream: "${e}"`);return new a.NullStream}}}t.Parser=Parser;const u=[1,0,0,0,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,2,0,0,2,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];function toHexDigit(e){return e>=48&&e<=57?15&e:e>=65&&e<=70||e>=97&&e<=102?9+(15&e):-1}class Lexer{constructor(e,t=null){this.stream=e;this.nextChar();this.strBuf=[];this.knownCommands=t;this._hexStringNumWarn=0;this.beginInlineImagePos=-1}nextChar(){return this.currentChar=this.stream.getByte()}peekChar(){return this.stream.peekByte()}getNumber(){let e=this.currentChar,t=!1,r=0,a=0;if(45===e){a=-1;e=this.nextChar();45===e&&(e=this.nextChar())}else if(43===e){a=1;e=this.nextChar()}if(10===e||13===e)do{e=this.nextChar()}while(10===e||13===e);if(46===e){r=10;e=this.nextChar()}if(e<48||e>57){if(10===r&&0===a&&((0,s.isWhiteSpace)(e)||-1===e)){(0,i.warn)("Lexer.getNumber - treating a single decimal point as zero.");return 0}throw new i.FormatError(`Invalid number: ${String.fromCharCode(e)} (charCode ${e})`)}a=a||1;let n=e-48,o=0,c=1;for(;(e=this.nextChar())>=0;)if(e>=48&&e<=57){const a=e-48;if(t)o=10*o+a;else{0!==r&&(r*=10);n=10*n+a}}else if(46===e){if(0!==r)break;r=1}else if(45===e)(0,i.warn)("Badly formatted number: minus sign in the middle");else{if(69!==e&&101!==e)break;e=this.peekChar();if(43===e||45===e){c=45===e?-1:1;this.nextChar()}else if(e<48||e>57)break;t=!0}0!==r&&(n/=r);t&&(n*=10**(c*o));return a*n}getString(){let e=1,t=!1;const r=this.strBuf;r.length=0;let a=this.nextChar();for(;;){let n=!1;switch(0|a){case-1:(0,i.warn)("Unterminated string");t=!0;break;case 40:++e;r.push("(");break;case 41:if(0==--e){this.nextChar();t=!0}else r.push(")");break;case 92:a=this.nextChar();switch(a){case-1:(0,i.warn)("Unterminated string");t=!0;break;case 110:r.push("\n");break;case 114:r.push("\r");break;case 116:r.push("\t");break;case 98:r.push("\b");break;case 102:r.push("\f");break;case 92:case 40:case 41:r.push(String.fromCharCode(a));break;case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:let e=15&a;a=this.nextChar();n=!0;if(a>=48&&a<=55){e=(e<<3)+(15&a);a=this.nextChar();if(a>=48&&a<=55){n=!1;e=(e<<3)+(15&a)}}r.push(String.fromCharCode(e));break;case 13:10===this.peekChar()&&this.nextChar();break;case 10:break;default:r.push(String.fromCharCode(a))}break;default:r.push(String.fromCharCode(a))}if(t)break;n||(a=this.nextChar())}return r.join("")}getName(){let e,t;const r=this.strBuf;r.length=0;for(;(e=this.nextChar())>=0&&!u[e];)if(35===e){e=this.nextChar();if(u[e]){(0,i.warn)("Lexer_getName: NUMBER SIGN (#) should be followed by a hexadecimal number.");r.push("#");break}const a=toHexDigit(e);if(-1!==a){t=e;e=this.nextChar();const n=toHexDigit(e);if(-1===n){(0,i.warn)(`Lexer_getName: Illegal digit (${String.fromCharCode(e)}) in hexadecimal number.`);r.push("#",String.fromCharCode(t));if(u[e])break;r.push(String.fromCharCode(e));continue}r.push(String.fromCharCode(a<<4|n))}else r.push("#",String.fromCharCode(e))}else r.push(String.fromCharCode(e));r.length>127&&(0,i.warn)("Name token is longer than allowed by the spec: "+r.length);return n.Name.get(r.join(""))}_hexStringWarn(e){5!=this._hexStringNumWarn++?this._hexStringNumWarn>5||(0,i.warn)("getHexString - ignoring invalid character: "+e):(0,i.warn)("getHexString - ignoring additional invalid characters.")}getHexString(){const e=this.strBuf;e.length=0;let t,r,a=this.currentChar,n=!0;this._hexStringNumWarn=0;for(;;){if(a<0){(0,i.warn)("Unterminated hex string");break}if(62===a){this.nextChar();break}if(1!==u[a]){if(n){t=toHexDigit(a);if(-1===t){this._hexStringWarn(a);a=this.nextChar();continue}}else{r=toHexDigit(a);if(-1===r){this._hexStringWarn(a);a=this.nextChar();continue}e.push(String.fromCharCode(t<<4|r))}n=!n;a=this.nextChar()}else a=this.nextChar()}return e.join("")}getObj(){let e=!1,t=this.currentChar;for(;;){if(t<0)return n.EOF;if(e)10!==t&&13!==t||(e=!1);else if(37===t)e=!0;else if(1!==u[t])break;t=this.nextChar()}switch(0|t){case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 43:case 45:case 46:return this.getNumber();case 40:return this.getString();case 47:return this.getName();case 91:this.nextChar();return n.Cmd.get("[");case 93:this.nextChar();return n.Cmd.get("]");case 60:t=this.nextChar();if(60===t){this.nextChar();return n.Cmd.get("<<")}return this.getHexString();case 62:t=this.nextChar();if(62===t){this.nextChar();return n.Cmd.get(">>")}return n.Cmd.get(">");case 123:this.nextChar();return n.Cmd.get("{");case 125:this.nextChar();return n.Cmd.get("}");case 41:this.nextChar();throw new i.FormatError("Illegal character: "+t)}let r=String.fromCharCode(t);const a=this.knownCommands;let s=a&&void 0!==a[r];for(;(t=this.nextChar())>=0&&!u[t];){const e=r+String.fromCharCode(t);if(s&&void 0===a[e])break;if(128===r.length)throw new i.FormatError("Command token too long: "+r.length);r=e;s=a&&void 0!==a[r]}if("true"===r)return!0;if("false"===r)return!1;if("null"===r)return null;"BI"===r&&(this.beginInlineImagePos=this.stream.pos);return n.Cmd.get(r)}peekObj(){const e=this.stream.pos,t=this.currentChar,r=this.beginInlineImagePos;let a;try{a=this.getObj()}catch(e){if(e instanceof s.MissingDataException)throw e;(0,i.warn)("peekObj: "+e)}this.stream.pos=e;this.currentChar=t;this.beginInlineImagePos=r;return a}skipToNextLine(){let e=this.currentChar;for(;e>=0;){if(13===e){e=this.nextChar();10===e&&this.nextChar();break}if(10===e){this.nextChar();break}e=this.nextChar()}}}t.Lexer=Lexer;t.Linearization=class Linearization{static create(e){function getInt(e,t,r=!1){const a=e.get(t);if(Number.isInteger(a)&&(r?a>=0:a>0))return a;throw new Error(`The "${t}" parameter in the linearization dictionary is invalid.`)}const t=new Parser({lexer:new Lexer(e),xref:null}),r=t.getObj(),a=t.getObj(),s=t.getObj(),o=t.getObj();let c,l;if(!(Number.isInteger(r)&&Number.isInteger(a)&&(0,n.isCmd)(s,"obj")&&(0,n.isDict)(o)&&(0,i.isNum)(c=o.get("Linearized"))&&c>0))return null;if((l=getInt(o,"L"))!==e.length)throw new Error('The "L" parameter in the linearization dictionary does not equal the stream length.');return{length:l,hints:function getHints(e){const t=e.get("H");let r;if(Array.isArray(t)&&(2===(r=t.length)||4===r)){for(let e=0;e<r;e++){const r=t[e];if(!(Number.isInteger(r)&&r>0))throw new Error(`Hint (${e}) in the linearization dictionary is invalid.`)}return t}throw new Error("Hint array in the linearization dictionary is invalid.")}(o),objectNumberFirst:getInt(o,"O"),endFirst:getInt(o,"E"),numPages:getInt(o,"N"),mainXRefEntriesOffset:getInt(o,"T"),pageFirst:o.has("P")?getInt(o,"P",!0):0}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.LZWStream=t.StringStream=t.StreamsSequenceStream=t.Stream=t.RunLengthStream=t.PredictorStream=t.NullStream=t.FlateStream=t.DecodeStream=t.DecryptStream=t.AsciiHexStream=t.Ascii85Stream=void 0;var a=r(2),i=r(5),n=r(8),s=function StreamClosure(){function Stream(e,t,r,a){this.bytes=e instanceof Uint8Array?e:new Uint8Array(e);this.start=t||0;this.pos=this.start;this.end=t+r||this.bytes.length;this.dict=a}Stream.prototype={get length(){return this.end-this.start},get isEmpty(){return 0===this.length},getByte:function Stream_getByte(){return this.pos>=this.end?-1:this.bytes[this.pos++]},getUint16:function Stream_getUint16(){var e=this.getByte(),t=this.getByte();return-1===e||-1===t?-1:(e<<8)+t},getInt32:function Stream_getInt32(){return(this.getByte()<<24)+(this.getByte()<<16)+(this.getByte()<<8)+this.getByte()},getBytes(e,t=!1){var r=this.bytes,a=this.pos,i=this.end;if(!e){const e=r.subarray(a,i);return t?new Uint8ClampedArray(e):e}var n=a+e;n>i&&(n=i);this.pos=n;const s=r.subarray(a,n);return t?new Uint8ClampedArray(s):s},peekByte:function Stream_peekByte(){var e=this.getByte();-1!==e&&this.pos--;return e},peekBytes(e,t=!1){var r=this.getBytes(e,t);this.pos-=r.length;return r},getByteRange(e,t){e<0&&(e=0);t>this.end&&(t=this.end);return this.bytes.subarray(e,t)},skip:function Stream_skip(e){e||(e=1);this.pos+=e},reset:function Stream_reset(){this.pos=this.start},moveStart:function Stream_moveStart(){this.start=this.pos},makeSubStream:function Stream_makeSubStream(e,t,r){return new Stream(this.bytes.buffer,e,t,r)}};return Stream}();t.Stream=s;var o=function StringStreamClosure(){function StringStream(e){const t=(0,a.stringToBytes)(e);s.call(this,t)}StringStream.prototype=s.prototype;return StringStream}();t.StringStream=o;var c=function DecodeStreamClosure(){var e=new Uint8Array(0);function DecodeStream(t){this._rawMinBufferLength=t||0;this.pos=0;this.bufferLength=0;this.eof=!1;this.buffer=e;this.minBufferLength=512;if(t)for(;this.minBufferLength<t;)this.minBufferLength*=2}DecodeStream.prototype={get isEmpty(){for(;!this.eof&&0===this.bufferLength;)this.readBlock();return 0===this.bufferLength},ensureBuffer:function DecodeStream_ensureBuffer(e){var t=this.buffer;if(e<=t.byteLength)return t;for(var r=this.minBufferLength;r<e;)r*=2;var a=new Uint8Array(r);a.set(t);return this.buffer=a},getByte:function DecodeStream_getByte(){for(var e=this.pos;this.bufferLength<=e;){if(this.eof)return-1;this.readBlock()}return this.buffer[this.pos++]},getUint16:function DecodeStream_getUint16(){var e=this.getByte(),t=this.getByte();return-1===e||-1===t?-1:(e<<8)+t},getInt32:function DecodeStream_getInt32(){return(this.getByte()<<24)+(this.getByte()<<16)+(this.getByte()<<8)+this.getByte()},getBytes(e,t=!1){var r,a=this.pos;if(e){this.ensureBuffer(a+e);r=a+e;for(;!this.eof&&this.bufferLength<r;)this.readBlock();var i=this.bufferLength;r>i&&(r=i)}else{for(;!this.eof;)this.readBlock();r=this.bufferLength}this.pos=r;const n=this.buffer.subarray(a,r);return!t||n instanceof Uint8ClampedArray?n:new Uint8ClampedArray(n)},peekByte:function DecodeStream_peekByte(){var e=this.getByte();-1!==e&&this.pos--;return e},peekBytes(e,t=!1){var r=this.getBytes(e,t);this.pos-=r.length;return r},makeSubStream:function DecodeStream_makeSubStream(e,t,r){for(var a=e+t;this.bufferLength<=a&&!this.eof;)this.readBlock();return new s(this.buffer,e,t,r)},getByteRange(e,t){(0,a.unreachable)("Should not call DecodeStream.getByteRange")},skip:function DecodeStream_skip(e){e||(e=1);this.pos+=e},reset:function DecodeStream_reset(){this.pos=0},getBaseStreams:function DecodeStream_getBaseStreams(){return this.str&&this.str.getBaseStreams?this.str.getBaseStreams():[]}};return DecodeStream}();t.DecodeStream=c;var l=function StreamsSequenceStreamClosure(){function StreamsSequenceStream(e){this.streams=e;let t=0;for(let r=0,a=e.length;r<a;r++){const a=e[r];t+=a instanceof c?a._rawMinBufferLength:a.length}c.call(this,t)}StreamsSequenceStream.prototype=Object.create(c.prototype);StreamsSequenceStream.prototype.readBlock=function streamSequenceStreamReadBlock(){var e=this.streams;if(0!==e.length){var t=e.shift().getBytes(),r=this.bufferLength,a=r+t.length;this.ensureBuffer(a).set(t,r);this.bufferLength=a}else this.eof=!0};StreamsSequenceStream.prototype.getBaseStreams=function StreamsSequenceStream_getBaseStreams(){for(var e=[],t=0,r=this.streams.length;t<r;t++){var a=this.streams[t];a.getBaseStreams&&e.push(...a.getBaseStreams())}return e};return StreamsSequenceStream}();t.StreamsSequenceStream=l;var h=function FlateStreamClosure(){var e=new Int32Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),t=new Int32Array([3,4,5,6,7,8,9,10,65547,65549,65551,65553,131091,131095,131099,131103,196643,196651,196659,196667,262211,262227,262243,262259,327811,327843,327875,327907,258,258,258]),r=new Int32Array([1,2,3,4,65541,65543,131081,131085,196625,196633,262177,262193,327745,327777,393345,393409,459009,459137,524801,525057,590849,591361,657409,658433,724993,727041,794625,798721,868353,876545]),i=[new Int32Array([459008,524368,524304,524568,459024,524400,524336,590016,459016,524384,524320,589984,524288,524416,524352,590048,459012,524376,524312,589968,459028,524408,524344,590032,459020,524392,524328,59e4,524296,524424,524360,590064,459010,524372,524308,524572,459026,524404,524340,590024,459018,524388,524324,589992,524292,524420,524356,590056,459014,524380,524316,589976,459030,524412,524348,590040,459022,524396,524332,590008,524300,524428,524364,590072,459009,524370,524306,524570,459025,524402,524338,590020,459017,524386,524322,589988,524290,524418,524354,590052,459013,524378,524314,589972,459029,524410,524346,590036,459021,524394,524330,590004,524298,524426,524362,590068,459011,524374,524310,524574,459027,524406,524342,590028,459019,524390,524326,589996,524294,524422,524358,590060,459015,524382,524318,589980,459031,524414,524350,590044,459023,524398,524334,590012,524302,524430,524366,590076,459008,524369,524305,524569,459024,524401,524337,590018,459016,524385,524321,589986,524289,524417,524353,590050,459012,524377,524313,589970,459028,524409,524345,590034,459020,524393,524329,590002,524297,524425,524361,590066,459010,524373,524309,524573,459026,524405,524341,590026,459018,524389,524325,589994,524293,524421,524357,590058,459014,524381,524317,589978,459030,524413,524349,590042,459022,524397,524333,590010,524301,524429,524365,590074,459009,524371,524307,524571,459025,524403,524339,590022,459017,524387,524323,589990,524291,524419,524355,590054,459013,524379,524315,589974,459029,524411,524347,590038,459021,524395,524331,590006,524299,524427,524363,590070,459011,524375,524311,524575,459027,524407,524343,590030,459019,524391,524327,589998,524295,524423,524359,590062,459015,524383,524319,589982,459031,524415,524351,590046,459023,524399,524335,590014,524303,524431,524367,590078,459008,524368,524304,524568,459024,524400,524336,590017,459016,524384,524320,589985,524288,524416,524352,590049,459012,524376,524312,589969,459028,524408,524344,590033,459020,524392,524328,590001,524296,524424,524360,590065,459010,524372,524308,524572,459026,524404,524340,590025,459018,524388,524324,589993,524292,524420,524356,590057,459014,524380,524316,589977,459030,524412,524348,590041,459022,524396,524332,590009,524300,524428,524364,590073,459009,524370,524306,524570,459025,524402,524338,590021,459017,524386,524322,589989,524290,524418,524354,590053,459013,524378,524314,589973,459029,524410,524346,590037,459021,524394,524330,590005,524298,524426,524362,590069,459011,524374,524310,524574,459027,524406,524342,590029,459019,524390,524326,589997,524294,524422,524358,590061,459015,524382,524318,589981,459031,524414,524350,590045,459023,524398,524334,590013,524302,524430,524366,590077,459008,524369,524305,524569,459024,524401,524337,590019,459016,524385,524321,589987,524289,524417,524353,590051,459012,524377,524313,589971,459028,524409,524345,590035,459020,524393,524329,590003,524297,524425,524361,590067,459010,524373,524309,524573,459026,524405,524341,590027,459018,524389,524325,589995,524293,524421,524357,590059,459014,524381,524317,589979,459030,524413,524349,590043,459022,524397,524333,590011,524301,524429,524365,590075,459009,524371,524307,524571,459025,524403,524339,590023,459017,524387,524323,589991,524291,524419,524355,590055,459013,524379,524315,589975,459029,524411,524347,590039,459021,524395,524331,590007,524299,524427,524363,590071,459011,524375,524311,524575,459027,524407,524343,590031,459019,524391,524327,589999,524295,524423,524359,590063,459015,524383,524319,589983,459031,524415,524351,590047,459023,524399,524335,590015,524303,524431,524367,590079]),9],n=[new Int32Array([327680,327696,327688,327704,327684,327700,327692,327708,327682,327698,327690,327706,327686,327702,327694,0,327681,327697,327689,327705,327685,327701,327693,327709,327683,327699,327691,327707,327687,327703,327695,0]),5];function FlateStream(e,t){this.str=e;this.dict=e.dict;var r=e.getByte(),i=e.getByte();if(-1===r||-1===i)throw new a.FormatError(`Invalid header in flate stream: ${r}, ${i}`);if(8!=(15&r))throw new a.FormatError(`Unknown compression method in flate stream: ${r}, ${i}`);if(((r<<8)+i)%31!=0)throw new a.FormatError(`Bad FCHECK in flate stream: ${r}, ${i}`);if(32&i)throw new a.FormatError(`FDICT bit set in flate stream: ${r}, ${i}`);this.codeSize=0;this.codeBuf=0;c.call(this,t)}FlateStream.prototype=Object.create(c.prototype);FlateStream.prototype.getBits=function FlateStream_getBits(e){for(var t,r=this.str,i=this.codeSize,n=this.codeBuf;i<e;){if(-1===(t=r.getByte()))throw new a.FormatError("Bad encoding in flate stream");n|=t<<i;i+=8}t=n&(1<<e)-1;this.codeBuf=n>>e;this.codeSize=i-=e;return t};FlateStream.prototype.getCode=function FlateStream_getCode(e){for(var t,r=this.str,i=e[0],n=e[1],s=this.codeSize,o=this.codeBuf;s<n&&-1!==(t=r.getByte());){o|=t<<s;s+=8}var c=i[o&(1<<n)-1],l=c>>16,h=65535&c;if(l<1||s<l)throw new a.FormatError("Bad encoding in flate stream");this.codeBuf=o>>l;this.codeSize=s-l;return h};FlateStream.prototype.generateHuffmanTable=function flateStreamGenerateHuffmanTable(e){var t,r=e.length,a=0;for(t=0;t<r;++t)e[t]>a&&(a=e[t]);for(var i=1<<a,n=new Int32Array(i),s=1,o=0,c=2;s<=a;++s,o<<=1,c<<=1)for(var l=0;l<r;++l)if(e[l]===s){var h=0,u=o;for(t=0;t<s;++t){h=h<<1|1&u;u>>=1}for(t=h;t<i;t+=c)n[t]=s<<16|l;++o}return[n,a]};FlateStream.prototype.readBlock=function FlateStream_readBlock(){var s,o,c=this.str,l=this.getBits(3);1&l&&(this.eof=!0);if(0!==(l>>=1)){var h,u;if(1===l){h=i;u=n}else{if(2!==l)throw new a.FormatError("Unknown block type in flate stream");var d,f=this.getBits(5)+257,g=this.getBits(5)+1,m=this.getBits(4)+4,p=new Uint8Array(e.length);for(d=0;d<m;++d)p[e[d]]=this.getBits(3);var b=this.generateHuffmanTable(p);o=0;d=0;for(var y,v,w,k=f+g,S=new Uint8Array(k);d<k;){var C=this.getCode(b);if(16===C){y=2;v=3;w=o}else if(17===C){y=3;v=3;w=o=0}else{if(18!==C){S[d++]=o=C;continue}y=7;v=11;w=o=0}for(var x=this.getBits(y)+v;x-- >0;)S[d++]=w}h=this.generateHuffmanTable(S.subarray(0,f));u=this.generateHuffmanTable(S.subarray(f,k))}for(var A=(s=this.buffer)?s.length:0,T=this.bufferLength;;){var I=this.getCode(h);if(I<256){T+1>=A&&(A=(s=this.ensureBuffer(T+1)).length);s[T++]=I}else{if(256===I){this.bufferLength=T;return}var F=(I=t[I-=257])>>16;F>0&&(F=this.getBits(F));o=(65535&I)+F;I=this.getCode(u);(F=(I=r[I])>>16)>0&&(F=this.getBits(F));var P=(65535&I)+F;T+o>=A&&(A=(s=this.ensureBuffer(T+o)).length);for(var E=0;E<o;++E,++T)s[T]=s[T-P]}}}else{var B;if(-1===(B=c.getByte()))throw new a.FormatError("Bad block header in flate stream");var O=B;if(-1===(B=c.getByte()))throw new a.FormatError("Bad block header in flate stream");O|=B<<8;if(-1===(B=c.getByte()))throw new a.FormatError("Bad block header in flate stream");var M=B;if(-1===(B=c.getByte()))throw new a.FormatError("Bad block header in flate stream");if((M|=B<<8)!==(65535&~O)&&(0!==O||0!==M))throw new a.FormatError("Bad uncompressed block length in flate stream");this.codeBuf=0;this.codeSize=0;const e=this.bufferLength,t=e+O;s=this.ensureBuffer(t);this.bufferLength=t;if(0===O)-1===c.peekByte()&&(this.eof=!0);else{const t=c.getBytes(O);s.set(t,e);t.length<O&&(this.eof=!0)}}};return FlateStream}();t.FlateStream=h;var u=function PredictorStreamClosure(){function PredictorStream(e,t,r){if(!(0,i.isDict)(r))return e;var n=this.predictor=r.get("Predictor")||1;if(n<=1)return e;if(2!==n&&(n<10||n>15))throw new a.FormatError("Unsupported predictor: "+n);this.readBlock=2===n?this.readBlockTiff:this.readBlockPng;this.str=e;this.dict=e.dict;var s=this.colors=r.get("Colors")||1,o=this.bits=r.get("BitsPerComponent")||8,l=this.columns=r.get("Columns")||1;this.pixBytes=s*o+7>>3;this.rowBytes=l*s*o+7>>3;c.call(this,t);return this}PredictorStream.prototype=Object.create(c.prototype);PredictorStream.prototype.readBlockTiff=function predictorStreamReadBlockTiff(){var e=this.rowBytes,t=this.bufferLength,r=this.ensureBuffer(t+e),a=this.bits,i=this.colors,n=this.str.getBytes(e);this.eof=!n.length;if(!this.eof){var s,o=0,c=0,l=0,h=0,u=t;if(1===a&&1===i)for(s=0;s<e;++s){var d=n[s]^o;d^=d>>1;d^=d>>2;o=(1&(d^=d>>4))<<7;r[u++]=d}else if(8===a){for(s=0;s<i;++s)r[u++]=n[s];for(;s<e;++s){r[u]=r[u-i]+n[s];u++}}else if(16===a){var f=2*i;for(s=0;s<f;++s)r[u++]=n[s];for(;s<e;s+=2){var g=((255&n[s])<<8)+(255&n[s+1])+((255&r[u-f])<<8)+(255&r[u-f+1]);r[u++]=g>>8&255;r[u++]=255&g}}else{var m=new Uint8Array(i+1),p=(1<<a)-1,b=0,y=t,v=this.columns;for(s=0;s<v;++s)for(var w=0;w<i;++w){if(l<a){o=o<<8|255&n[b++];l+=8}m[w]=m[w]+(o>>l-a)&p;l-=a;c=c<<a|m[w];if((h+=a)>=8){r[y++]=c>>h-8&255;h-=8}}h>0&&(r[y++]=(c<<8-h)+(o&(1<<8-h)-1))}this.bufferLength+=e}};PredictorStream.prototype.readBlockPng=function predictorStreamReadBlockPng(){var e=this.rowBytes,t=this.pixBytes,r=this.str.getByte(),i=this.str.getBytes(e);this.eof=!i.length;if(!this.eof){var n=this.bufferLength,s=this.ensureBuffer(n+e),o=s.subarray(n-e,n);0===o.length&&(o=new Uint8Array(e));var c,l,h,u=n;switch(r){case 0:for(c=0;c<e;++c)s[u++]=i[c];break;case 1:for(c=0;c<t;++c)s[u++]=i[c];for(;c<e;++c){s[u]=s[u-t]+i[c]&255;u++}break;case 2:for(c=0;c<e;++c)s[u++]=o[c]+i[c]&255;break;case 3:for(c=0;c<t;++c)s[u++]=(o[c]>>1)+i[c];for(;c<e;++c){s[u]=(o[c]+s[u-t]>>1)+i[c]&255;u++}break;case 4:for(c=0;c<t;++c){l=o[c];h=i[c];s[u++]=l+h}for(;c<e;++c){l=o[c];var d=o[c-t],f=s[u-t],g=f+l-d,m=g-f;m<0&&(m=-m);var p=g-l;p<0&&(p=-p);var b=g-d;b<0&&(b=-b);h=i[c];s[u++]=m<=p&&m<=b?f+h:p<=b?l+h:d+h}break;default:throw new a.FormatError("Unsupported predictor: "+r)}this.bufferLength+=e}};return PredictorStream}();t.PredictorStream=u;var d=function DecryptStreamClosure(){function DecryptStream(e,t,r){this.str=e;this.dict=e.dict;this.decrypt=r;this.nextChunk=null;this.initialized=!1;c.call(this,t)}DecryptStream.prototype=Object.create(c.prototype);DecryptStream.prototype.readBlock=function DecryptStream_readBlock(){var e;if(this.initialized)e=this.nextChunk;else{e=this.str.getBytes(512);this.initialized=!0}if(e&&0!==e.length){this.nextChunk=this.str.getBytes(512);var t=this.nextChunk&&this.nextChunk.length>0;e=(0,this.decrypt)(e,!t);var r,a=this.bufferLength,i=e.length,n=this.ensureBuffer(a+i);for(r=0;r<i;r++)n[a++]=e[r];this.bufferLength=a}else this.eof=!0};return DecryptStream}();t.DecryptStream=d;var f=function Ascii85StreamClosure(){function Ascii85Stream(e,t){this.str=e;this.dict=e.dict;this.input=new Uint8Array(5);t&&(t*=.8);c.call(this,t)}Ascii85Stream.prototype=Object.create(c.prototype);Ascii85Stream.prototype.readBlock=function Ascii85Stream_readBlock(){for(var e=this.str,t=e.getByte();(0,n.isWhiteSpace)(t);)t=e.getByte();if(-1!==t&&126!==t){var r,a,i=this.bufferLength;if(122===t){r=this.ensureBuffer(i+4);for(a=0;a<4;++a)r[i+a]=0;this.bufferLength+=4}else{var s=this.input;s[0]=t;for(a=1;a<5;++a){t=e.getByte();for(;(0,n.isWhiteSpace)(t);)t=e.getByte();s[a]=t;if(-1===t||126===t)break}r=this.ensureBuffer(i+a-1);this.bufferLength+=a-1;if(a<5){for(;a<5;++a)s[a]=117;this.eof=!0}var o=0;for(a=0;a<5;++a)o=85*o+(s[a]-33);for(a=3;a>=0;--a){r[i+a]=255&o;o>>=8}}}else this.eof=!0};return Ascii85Stream}();t.Ascii85Stream=f;var g=function AsciiHexStreamClosure(){function AsciiHexStream(e,t){this.str=e;this.dict=e.dict;this.firstDigit=-1;t&&(t*=.5);c.call(this,t)}AsciiHexStream.prototype=Object.create(c.prototype);AsciiHexStream.prototype.readBlock=function AsciiHexStream_readBlock(){var e=this.str.getBytes(8e3);if(e.length){for(var t=e.length+1>>1,r=this.ensureBuffer(this.bufferLength+t),a=this.bufferLength,i=this.firstDigit,n=0,s=e.length;n<s;n++){var o,c=e[n];if(c>=48&&c<=57)o=15&c;else{if(!(c>=65&&c<=70||c>=97&&c<=102)){if(62===c){this.eof=!0;break}continue}o=9+(15&c)}if(i<0)i=o;else{r[a++]=i<<4|o;i=-1}}if(i>=0&&this.eof){r[a++]=i<<4;i=-1}this.firstDigit=i;this.bufferLength=a}else this.eof=!0};return AsciiHexStream}();t.AsciiHexStream=g;var m=function RunLengthStreamClosure(){function RunLengthStream(e,t){this.str=e;this.dict=e.dict;c.call(this,t)}RunLengthStream.prototype=Object.create(c.prototype);RunLengthStream.prototype.readBlock=function RunLengthStream_readBlock(){var e=this.str.getBytes(2);if(!e||e.length<2||128===e[0])this.eof=!0;else{var t,r=this.bufferLength,a=e[0];if(a<128){(t=this.ensureBuffer(r+a+1))[r++]=e[1];if(a>0){var i=this.str.getBytes(a);t.set(i,r);r+=a}}else{a=257-a;var n=e[1];t=this.ensureBuffer(r+a+1);for(var s=0;s<a;s++)t[r++]=n}this.bufferLength=r}};return RunLengthStream}();t.RunLengthStream=m;var p=function LZWStreamClosure(){function LZWStream(e,t,r){this.str=e;this.dict=e.dict;this.cachedData=0;this.bitsCached=0;for(var a={earlyChange:r,codeLength:9,nextCode:258,dictionaryValues:new Uint8Array(4096),dictionaryLengths:new Uint16Array(4096),dictionaryPrevCodes:new Uint16Array(4096),currentSequence:new Uint8Array(4096),currentSequenceLength:0},i=0;i<256;++i){a.dictionaryValues[i]=i;a.dictionaryLengths[i]=1}this.lzwState=a;c.call(this,t)}LZWStream.prototype=Object.create(c.prototype);LZWStream.prototype.readBits=function LZWStream_readBits(e){for(var t=this.bitsCached,r=this.cachedData;t<e;){var a=this.str.getByte();if(-1===a){this.eof=!0;return null}r=r<<8|a;t+=8}this.bitsCached=t-=e;this.cachedData=r;this.lastCode=null;return r>>>t&(1<<e)-1};LZWStream.prototype.readBlock=function LZWStream_readBlock(){var e,t,r,a=1024,i=this.lzwState;if(i){var n=i.earlyChange,s=i.nextCode,o=i.dictionaryValues,c=i.dictionaryLengths,l=i.dictionaryPrevCodes,h=i.codeLength,u=i.prevCode,d=i.currentSequence,f=i.currentSequenceLength,g=0,m=this.bufferLength,p=this.ensureBuffer(this.bufferLength+a);for(e=0;e<512;e++){var b=this.readBits(h),y=f>0;if(b<256){d[0]=b;f=1}else{if(!(b>=258)){if(256===b){h=9;s=258;f=0;continue}this.eof=!0;delete this.lzwState;break}if(b<s)for(t=(f=c[b])-1,r=b;t>=0;t--){d[t]=o[r];r=l[r]}else d[f++]=d[0]}if(y){l[s]=u;c[s]=c[u]+1;o[s]=d[0];h=++s+n&s+n-1?h:0|Math.min(Math.log(s+n)/.6931471805599453+1,12)}u=b;if(a<(g+=f)){do{a+=512}while(a<g);p=this.ensureBuffer(this.bufferLength+a)}for(t=0;t<f;t++)p[m++]=d[t]}i.nextCode=s;i.codeLength=h;i.prevCode=u;i.currentSequenceLength=f;this.bufferLength=m}};return LZWStream}();t.LZWStream=p;var b=function NullStreamClosure(){function NullStream(){s.call(this,new Uint8Array(0))}NullStream.prototype=s.prototype;return NullStream}();t.NullStream=b},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CCITTFaxStream=void 0;var a=r(5),i=r(14),n=r(12),s=function CCITTFaxStreamClosure(){function CCITTFaxStream(e,t,r){this.str=e;this.dict=e.dict;(0,a.isDict)(r)||(r=a.Dict.empty);const s={next:()=>e.getByte()};this.ccittFaxDecoder=new i.CCITTFaxDecoder(s,{K:r.get("K"),EndOfLine:r.get("EndOfLine"),EncodedByteAlign:r.get("EncodedByteAlign"),Columns:r.get("Columns"),Rows:r.get("Rows"),EndOfBlock:r.get("EndOfBlock"),BlackIs1:r.get("BlackIs1")});n.DecodeStream.call(this,t)}CCITTFaxStream.prototype=Object.create(n.DecodeStream.prototype);CCITTFaxStream.prototype.readBlock=function(){for(;!this.eof;){const e=this.ccittFaxDecoder.readNextChar();if(-1===e){this.eof=!0;return}this.ensureBuffer(this.bufferLength+1);this.buffer[this.bufferLength++]=e}};return CCITTFaxStream}();t.CCITTFaxStream=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CCITTFaxDecoder=void 0;var a=r(2);const i=function CCITTFaxDecoder(){const e=[[-1,-1],[-1,-1],[7,8],[7,7],[6,6],[6,6],[6,5],[6,5],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2]],t=[[-1,-1],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[12,1984],[12,2048],[12,2112],[12,2176],[12,2240],[12,2304],[11,1856],[11,1856],[11,1920],[11,1920],[12,2368],[12,2432],[12,2496],[12,2560]],r=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[8,29],[8,29],[8,30],[8,30],[8,45],[8,45],[8,46],[8,46],[7,22],[7,22],[7,22],[7,22],[7,23],[7,23],[7,23],[7,23],[8,47],[8,47],[8,48],[8,48],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[7,20],[7,20],[7,20],[7,20],[8,33],[8,33],[8,34],[8,34],[8,35],[8,35],[8,36],[8,36],[8,37],[8,37],[8,38],[8,38],[7,19],[7,19],[7,19],[7,19],[8,31],[8,31],[8,32],[8,32],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[8,53],[8,53],[8,54],[8,54],[7,26],[7,26],[7,26],[7,26],[8,39],[8,39],[8,40],[8,40],[8,41],[8,41],[8,42],[8,42],[8,43],[8,43],[8,44],[8,44],[7,21],[7,21],[7,21],[7,21],[7,28],[7,28],[7,28],[7,28],[8,61],[8,61],[8,62],[8,62],[8,63],[8,63],[8,0],[8,0],[8,320],[8,320],[8,384],[8,384],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[7,27],[7,27],[7,27],[7,27],[8,59],[8,59],[8,60],[8,60],[9,1472],[9,1536],[9,1600],[9,1728],[7,18],[7,18],[7,18],[7,18],[7,24],[7,24],[7,24],[7,24],[8,49],[8,49],[8,50],[8,50],[8,51],[8,51],[8,52],[8,52],[7,25],[7,25],[7,25],[7,25],[8,55],[8,55],[8,56],[8,56],[8,57],[8,57],[8,58],[8,58],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[8,448],[8,448],[8,512],[8,512],[9,704],[9,768],[8,640],[8,640],[8,576],[8,576],[9,832],[9,896],[9,960],[9,1024],[9,1088],[9,1152],[9,1216],[9,1280],[9,1344],[9,1408],[7,256],[7,256],[7,256],[7,256],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7]],i=[[-1,-1],[-1,-1],[12,-2],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[11,1792],[11,1792],[12,1984],[12,1984],[12,2048],[12,2048],[12,2112],[12,2112],[12,2176],[12,2176],[12,2240],[12,2240],[12,2304],[12,2304],[11,1856],[11,1856],[11,1856],[11,1856],[11,1920],[11,1920],[11,1920],[11,1920],[12,2368],[12,2368],[12,2432],[12,2432],[12,2496],[12,2496],[12,2560],[12,2560],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[12,52],[12,52],[13,640],[13,704],[13,768],[13,832],[12,55],[12,55],[12,56],[12,56],[13,1280],[13,1344],[13,1408],[13,1472],[12,59],[12,59],[12,60],[12,60],[13,1536],[13,1600],[11,24],[11,24],[11,24],[11,24],[11,25],[11,25],[11,25],[11,25],[13,1664],[13,1728],[12,320],[12,320],[12,384],[12,384],[12,448],[12,448],[13,512],[13,576],[12,53],[12,53],[12,54],[12,54],[13,896],[13,960],[13,1024],[13,1088],[13,1152],[13,1216],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64]],n=[[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[11,23],[11,23],[12,50],[12,51],[12,44],[12,45],[12,46],[12,47],[12,57],[12,58],[12,61],[12,256],[10,16],[10,16],[10,16],[10,16],[10,17],[10,17],[10,17],[10,17],[12,48],[12,49],[12,62],[12,63],[12,30],[12,31],[12,32],[12,33],[12,40],[12,41],[11,22],[11,22],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[12,128],[12,192],[12,26],[12,27],[12,28],[12,29],[11,19],[11,19],[11,20],[11,20],[12,34],[12,35],[12,36],[12,37],[12,38],[12,39],[11,21],[11,21],[12,42],[12,43],[10,0],[10,0],[10,0],[10,0],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12]],s=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[6,9],[6,8],[5,7],[5,7],[4,6],[4,6],[4,6],[4,6],[4,5],[4,5],[4,5],[4,5],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2]];function CCITTFaxDecoder(e,t={}){if(!e||"function"!=typeof e.next)throw new Error('CCITTFaxDecoder - invalid "source" parameter.');this.source=e;this.eof=!1;this.encoding=t.K||0;this.eoline=t.EndOfLine||!1;this.byteAlign=t.EncodedByteAlign||!1;this.columns=t.Columns||1728;this.rows=t.Rows||0;let r,a=t.EndOfBlock;null==a&&(a=!0);this.eoblock=a;this.black=t.BlackIs1||!1;this.codingLine=new Uint32Array(this.columns+1);this.refLine=new Uint32Array(this.columns+2);this.codingLine[0]=this.columns;this.codingPos=0;this.row=0;this.nextLine2D=this.encoding<0;this.inputBits=0;this.inputBuf=0;this.outputBits=0;this.rowsDone=!1;for(;0===(r=this._lookBits(12));)this._eatBits(1);1===r&&this._eatBits(12);if(this.encoding>0){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}}CCITTFaxDecoder.prototype={readNextChar(){if(this.eof)return-1;const e=this.refLine,t=this.codingLine,r=this.columns;let i,n,s,o,c;if(0===this.outputBits){this.rowsDone&&(this.eof=!0);if(this.eof)return-1;this.err=!1;let s,c,l;if(this.nextLine2D){for(o=0;t[o]<r;++o)e[o]=t[o];e[o++]=r;e[o]=r;t[0]=0;this.codingPos=0;i=0;n=0;for(;t[this.codingPos]<r;){s=this._getTwoDimCode();switch(s){case 0:this._addPixels(e[i+1],n);e[i+1]<r&&(i+=2);break;case 1:s=c=0;if(n){do{s+=l=this._getBlackCode()}while(l>=64);do{c+=l=this._getWhiteCode()}while(l>=64)}else{do{s+=l=this._getWhiteCode()}while(l>=64);do{c+=l=this._getBlackCode()}while(l>=64)}this._addPixels(t[this.codingPos]+s,n);t[this.codingPos]<r&&this._addPixels(t[this.codingPos]+c,1^n);for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2;break;case 7:this._addPixels(e[i]+3,n);n^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 5:this._addPixels(e[i]+2,n);n^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 3:this._addPixels(e[i]+1,n);n^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 2:this._addPixels(e[i],n);n^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 8:this._addPixelsNeg(e[i]-3,n);n^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 6:this._addPixelsNeg(e[i]-2,n);n^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 4:this._addPixelsNeg(e[i]-1,n);n^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case-1:this._addPixels(r,0);this.eof=!0;break;default:(0,a.info)("bad 2d code");this._addPixels(r,0);this.err=!0}}}else{t[0]=0;this.codingPos=0;n=0;for(;t[this.codingPos]<r;){s=0;if(n)do{s+=l=this._getBlackCode()}while(l>=64);else do{s+=l=this._getWhiteCode()}while(l>=64);this._addPixels(t[this.codingPos]+s,n);n^=1}}let h=!1;this.byteAlign&&(this.inputBits&=-8);if(this.eoblock||this.row!==this.rows-1){s=this._lookBits(12);if(this.eoline)for(;-1!==s&&1!==s;){this._eatBits(1);s=this._lookBits(12)}else for(;0===s;){this._eatBits(1);s=this._lookBits(12)}if(1===s){this._eatBits(12);h=!0}else-1===s&&(this.eof=!0)}else this.rowsDone=!0;if(!this.eof&&this.encoding>0&&!this.rowsDone){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}if(this.eoblock&&h&&this.byteAlign){s=this._lookBits(12);if(1===s){this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}if(this.encoding>=0)for(o=0;o<4;++o){s=this._lookBits(12);1!==s&&(0,a.info)("bad rtc code: "+s);this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}}this.eof=!0}}else if(this.err&&this.eoline){for(;;){s=this._lookBits(13);if(-1===s){this.eof=!0;return-1}if(s>>1==1)break;this._eatBits(1)}this._eatBits(12);if(this.encoding>0){this._eatBits(1);this.nextLine2D=!(1&s)}}t[0]>0?this.outputBits=t[this.codingPos=0]:this.outputBits=t[this.codingPos=1];this.row++}if(this.outputBits>=8){c=1&this.codingPos?0:255;this.outputBits-=8;if(0===this.outputBits&&t[this.codingPos]<r){this.codingPos++;this.outputBits=t[this.codingPos]-t[this.codingPos-1]}}else{s=8;c=0;do{if(this.outputBits>s){c<<=s;1&this.codingPos||(c|=255>>8-s);this.outputBits-=s;s=0}else{c<<=this.outputBits;1&this.codingPos||(c|=255>>8-this.outputBits);s-=this.outputBits;this.outputBits=0;if(t[this.codingPos]<r){this.codingPos++;this.outputBits=t[this.codingPos]-t[this.codingPos-1]}else if(s>0){c<<=s;s=0}}}while(s)}this.black&&(c^=255);return c},_addPixels(e,t){const r=this.codingLine;let i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,a.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}this.codingPos=i},_addPixelsNeg(e,t){const r=this.codingLine;let i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,a.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}else if(e<r[i]){if(e<0){(0,a.info)("invalid code");this.err=!0;e=0}for(;i>0&&e<r[i-1];)--i;r[i]=e}this.codingPos=i},_findTableCode(e,t,r,a){const i=a||0;for(let a=e;a<=t;++a){let e=this._lookBits(a);if(-1===e)return[!0,1,!1];a<t&&(e<<=t-a);if(!i||e>=i){const t=r[e-i];if(t[0]===a){this._eatBits(a);return[!0,t[1],!0]}}}return[!1,0,!1]},_getTwoDimCode(){let t,r=0;if(this.eoblock){r=this._lookBits(7);t=e[r];if(t&&t[0]>0){this._eatBits(t[0]);return t[1]}}else{const t=this._findTableCode(1,7,e);if(t[0]&&t[2])return t[1]}(0,a.info)("Bad two dim code");return-1},_getWhiteCode(){let e,i=0;if(this.eoblock){i=this._lookBits(12);if(-1===i)return 1;e=i>>5==0?t[i]:r[i>>3];if(e[0]>0){this._eatBits(e[0]);return e[1]}}else{let e=this._findTableCode(1,9,r);if(e[0])return e[1];e=this._findTableCode(11,12,t);if(e[0])return e[1]}(0,a.info)("bad white code");this._eatBits(1);return 1},_getBlackCode(){let e,t;if(this.eoblock){e=this._lookBits(13);if(-1===e)return 1;t=e>>7==0?i[e]:e>>9==0&&e>>7!=0?n[(e>>1)-64]:s[e>>7];if(t[0]>0){this._eatBits(t[0]);return t[1]}}else{let e=this._findTableCode(2,6,s);if(e[0])return e[1];e=this._findTableCode(7,12,n,64);if(e[0])return e[1];e=this._findTableCode(10,13,i);if(e[0])return e[1]}(0,a.info)("bad black code");this._eatBits(1);return 1},_lookBits(e){let t;for(;this.inputBits<e;){if(-1===(t=this.source.next()))return 0===this.inputBits?-1:this.inputBuf<<e-this.inputBits&65535>>16-e;this.inputBuf=this.inputBuf<<8|t;this.inputBits+=8}return this.inputBuf>>this.inputBits-e&65535>>16-e},_eatBits(e){(this.inputBits-=e)<0&&(this.inputBits=0)}};return CCITTFaxDecoder}();t.CCITTFaxDecoder=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Jbig2Stream=void 0;var a=r(5),i=r(12),n=r(16),s=r(2);const o=function Jbig2StreamClosure(){function Jbig2Stream(e,t,r,a){this.stream=e;this.maybeLength=t;this.dict=r;this.params=a;i.DecodeStream.call(this,t)}Jbig2Stream.prototype=Object.create(i.DecodeStream.prototype);Object.defineProperty(Jbig2Stream.prototype,"bytes",{get(){return(0,s.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});Jbig2Stream.prototype.ensureBuffer=function(e){};Jbig2Stream.prototype.readBlock=function(){if(this.eof)return;const e=new n.Jbig2Image,t=[];if((0,a.isDict)(this.params)){const e=this.params.get("JBIG2Globals");if((0,a.isStream)(e)){const r=e.getBytes();t.push({data:r,start:0,end:r.length})}}t.push({data:this.bytes,start:0,end:this.bytes.length});const r=e.parseChunks(t),i=r.length;for(let e=0;e<i;e++)r[e]^=255;this.buffer=r;this.bufferLength=i;this.eof=!0};return Jbig2Stream}();t.Jbig2Stream=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Jbig2Image=void 0;var a=r(2),i=r(8),n=r(17),s=r(14);class Jbig2Error extends a.BaseException{constructor(e){super("JBIG2 error: "+e)}}var o=function Jbig2ImageClosure(){function ContextCache(){}ContextCache.prototype={getContexts(e){return e in this?this[e]:this[e]=new Int8Array(65536)}};function DecodingContext(e,t,r){this.data=e;this.start=t;this.end=r}DecodingContext.prototype={get decoder(){var e=new n.ArithmeticDecoder(this.data,this.start,this.end);return(0,a.shadow)(this,"decoder",e)},get contextCache(){var e=new ContextCache;return(0,a.shadow)(this,"contextCache",e)}};function decodeInteger(e,t,r){var a=e.getContexts(t),i=1;function readBits(e){for(var t=0,n=0;n<e;n++){var s=r.readBit(a,i);i=i<256?i<<1|s:511&(i<<1|s)|256;t=t<<1|s}return t>>>0}var n=readBits(1),s=readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(32)+4436:readBits(12)+340:readBits(8)+84:readBits(6)+20:readBits(4)+4:readBits(2);return 0===n?s:s>0?-s:null}function decodeIAID(e,t,r){for(var a=e.getContexts("IAID"),i=1,n=0;n<r;n++){i=i<<1|t.readBit(a,i)}return r<31?i&(1<<r)-1:2147483647&i}var e=["SymbolDictionary",null,null,null,"IntermediateTextRegion",null,"ImmediateTextRegion","ImmediateLosslessTextRegion",null,null,null,null,null,null,null,null,"PatternDictionary",null,null,null,"IntermediateHalftoneRegion",null,"ImmediateHalftoneRegion","ImmediateLosslessHalftoneRegion",null,null,null,null,null,null,null,null,null,null,null,null,"IntermediateGenericRegion",null,"ImmediateGenericRegion","ImmediateLosslessGenericRegion","IntermediateGenericRefinementRegion",null,"ImmediateGenericRefinementRegion","ImmediateLosslessGenericRefinementRegion",null,null,null,null,"PageInformation","EndOfPage","EndOfStripe","EndOfFile","Profiles","Tables",null,null,null,null,null,null,null,null,"Extension"],t=[[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:2,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-2,y:0},{x:-1,y:0}],[{x:-3,y:-1},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}]],r=[{coding:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:-1,y:1},{x:0,y:1},{x:1,y:1}]},{coding:[{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:0,y:1},{x:1,y:1}]}],o=[39717,1941,229,405],c=[32,8];function decodeBitmap(e,r,a,i,n,s,c,l){if(e){return decodeMMRBitmap(new Reader(l.data,l.start,l.end),r,a,!1)}if(0===i&&!s&&!n&&4===c.length&&3===c[0].x&&-1===c[0].y&&-3===c[1].x&&-1===c[1].y&&2===c[2].x&&-2===c[2].y&&-2===c[3].x&&-2===c[3].y)return function decodeBitmapTemplate0(e,t,r){var a,i,n,s,o,c,l,h=r.decoder,u=r.contextCache.getContexts("GB"),d=[];for(i=0;i<t;i++){o=d[i]=new Uint8Array(e);c=i<1?o:d[i-1];a=(l=i<2?o:d[i-2])[0]<<13|l[1]<<12|l[2]<<11|c[0]<<7|c[1]<<6|c[2]<<5|c[3]<<4;for(n=0;n<e;n++){o[n]=s=h.readBit(u,a);a=(31735&a)<<1|(n+3<e?l[n+3]<<11:0)|(n+4<e?c[n+4]<<4:0)|s}}return d}(r,a,l);var h=!!s,u=t[i].concat(c);u.sort((function(e,t){return e.y-t.y||e.x-t.x}));var d,f,g=u.length,m=new Int8Array(g),p=new Int8Array(g),b=[],y=0,v=0,w=0,k=0;for(f=0;f<g;f++){m[f]=u[f].x;p[f]=u[f].y;v=Math.min(v,u[f].x);w=Math.max(w,u[f].x);k=Math.min(k,u[f].y);f<g-1&&u[f].y===u[f+1].y&&u[f].x===u[f+1].x-1?y|=1<<g-1-f:b.push(f)}var S=b.length,C=new Int8Array(S),x=new Int8Array(S),A=new Uint16Array(S);for(d=0;d<S;d++){f=b[d];C[d]=u[f].x;x[d]=u[f].y;A[d]=1<<g-1-f}for(var T,I,F,P,E,B=-v,O=-k,M=r-w,D=o[i],R=new Uint8Array(r),N=[],L=l.decoder,_=l.contextCache.getContexts("GB"),U=0,q=0,j=0;j<a;j++){if(n){if(U^=L.readBit(_,D)){N.push(R);continue}}R=new Uint8Array(R);N.push(R);for(T=0;T<r;T++)if(h&&s[j][T])R[T]=0;else{if(T>=B&&T<M&&j>=O){q=q<<1&y;for(f=0;f<S;f++){I=j+x[f];F=T+C[f];(P=N[I][F])&&(q|=P=A[f])}}else{q=0;E=g-1;for(f=0;f<g;f++,E--)(F=T+m[f])>=0&&F<r&&(I=j+p[f])>=0&&(P=N[I][F])&&(q|=P<<E)}var H=L.readBit(_,q);R[T]=H}}return N}function decodeRefinement(e,t,a,i,n,s,o,l,h){var u=r[a].coding;0===a&&(u=u.concat([l[0]]));var d,f=u.length,g=new Int32Array(f),m=new Int32Array(f);for(d=0;d<f;d++){g[d]=u[d].x;m[d]=u[d].y}var p=r[a].reference;0===a&&(p=p.concat([l[1]]));var b=p.length,y=new Int32Array(b),v=new Int32Array(b);for(d=0;d<b;d++){y[d]=p[d].x;v[d]=p[d].y}for(var w=i[0].length,k=i.length,S=c[a],C=[],x=h.decoder,A=h.contextCache.getContexts("GR"),T=0,I=0;I<t;I++){if(o){if(T^=x.readBit(A,S))throw new Jbig2Error("prediction is not supported")}var F=new Uint8Array(e);C.push(F);for(var P=0;P<e;P++){var E,B,O=0;for(d=0;d<f;d++){E=I+m[d];B=P+g[d];E<0||B<0||B>=e?O<<=1:O=O<<1|C[E][B]}for(d=0;d<b;d++){E=I+v[d]-s;B=P+y[d]-n;E<0||E>=k||B<0||B>=w?O<<=1:O=O<<1|i[E][B]}var M=x.readBit(A,O);F[P]=M}}return C}function decodeTextRegion(e,t,r,a,i,n,s,o,c,l,h,u,d,f,g,m,p,b,y){if(e&&t)throw new Jbig2Error("refinement with Huffman is not supported");var v,w,k=[];for(v=0;v<a;v++){w=new Uint8Array(r);if(i)for(var S=0;S<r;S++)w[S]=i;k.push(w)}var C=p.decoder,x=p.contextCache,A=e?-f.tableDeltaT.decode(y):-decodeInteger(x,"IADT",C),T=0;v=0;for(;v<n;){A+=e?f.tableDeltaT.decode(y):decodeInteger(x,"IADT",C);for(var I=T+=e?f.tableFirstS.decode(y):decodeInteger(x,"IAFS",C);;){let a=0;s>1&&(a=e?y.readBits(b):decodeInteger(x,"IAIT",C));var F=s*A+a,P=e?f.symbolIDTable.decode(y):decodeIAID(x,C,c),E=t&&(e?y.readBit():decodeInteger(x,"IARI",C)),B=o[P],O=B[0].length,M=B.length;if(E){var D=decodeInteger(x,"IARDW",C),R=decodeInteger(x,"IARDH",C);B=decodeRefinement(O+=D,M+=R,g,B,(D>>1)+decodeInteger(x,"IARDX",C),(R>>1)+decodeInteger(x,"IARDY",C),!1,m,p)}var N,L,_,U=F-(1&u?0:M-1),q=I-(2&u?O-1:0);if(l){for(N=0;N<M;N++)if(w=k[q+N]){_=B[N];var j=Math.min(r-U,O);switch(d){case 0:for(L=0;L<j;L++)w[U+L]|=_[L];break;case 2:for(L=0;L<j;L++)w[U+L]^=_[L];break;default:throw new Jbig2Error(`operator ${d} is not supported`)}}I+=M-1}else{for(L=0;L<M;L++)if(w=k[U+L]){_=B[L];switch(d){case 0:for(N=0;N<O;N++)w[q+N]|=_[N];break;case 2:for(N=0;N<O;N++)w[q+N]^=_[N];break;default:throw new Jbig2Error(`operator ${d} is not supported`)}}I+=O-1}v++;var H=e?f.tableDeltaS.decode(y):decodeInteger(x,"IADS",C);if(null===H)break;I+=H+h}}return k}function readSegmentHeader(t,r){var a={};a.number=(0,i.readUint32)(t,r);var n=t[r+4],s=63&n;if(!e[s])throw new Jbig2Error("invalid segment type: "+s);a.type=s;a.typeName=e[s];a.deferredNonRetain=!!(128&n);var o=!!(64&n),c=t[r+5],h=c>>5&7,u=[31&c],d=r+6;if(7===c){h=536870911&(0,i.readUint32)(t,d-1);d+=3;var f=h+7>>3;u[0]=t[d++];for(;--f>0;)u.push(t[d++])}else if(5===c||6===c)throw new Jbig2Error("invalid referred-to flags");a.retainBits=u;let g=4;a.number<=256?g=1:a.number<=65536&&(g=2);var m,p,b=[];for(m=0;m<h;m++){let e;e=1===g?t[d]:2===g?(0,i.readUint16)(t,d):(0,i.readUint32)(t,d);b.push(e);d+=g}a.referredTo=b;if(o){a.pageAssociation=(0,i.readUint32)(t,d);d+=4}else a.pageAssociation=t[d++];a.length=(0,i.readUint32)(t,d);d+=4;if(4294967295===a.length){if(38!==s)throw new Jbig2Error("invalid unknown segment length");var y=readRegionSegmentInformation(t,d),v=!!(1&t[d+l]),w=new Uint8Array(6);if(!v){w[0]=255;w[1]=172}w[2]=y.height>>>24&255;w[3]=y.height>>16&255;w[4]=y.height>>8&255;w[5]=255&y.height;for(m=d,p=t.length;m<p;m++){for(var k=0;k<6&&w[k]===t[m+k];)k++;if(6===k){a.length=m+6;break}}if(4294967295===a.length)throw new Jbig2Error("segment end was not found")}a.headerEnd=d;return a}function readSegments(e,t,r,a){for(var i=[],n=r;n<a;){var s=readSegmentHeader(t,n);n=s.headerEnd;var o={header:s,data:t};if(!e.randomAccess){o.start=n;n+=s.length;o.end=n}i.push(o);if(51===s.type)break}if(e.randomAccess)for(var c=0,l=i.length;c<l;c++){i[c].start=n;n+=i[c].header.length;i[c].end=n}return i}function readRegionSegmentInformation(e,t){return{width:(0,i.readUint32)(e,t),height:(0,i.readUint32)(e,t+4),x:(0,i.readUint32)(e,t+8),y:(0,i.readUint32)(e,t+12),combinationOperator:7&e[t+16]}}var l=17;function processSegment(e,t){var r,a,n,s,o=e.header,c=e.data,h=e.start,u=e.end;switch(o.type){case 0:var d={},f=(0,i.readUint16)(c,h);d.huffman=!!(1&f);d.refinement=!!(2&f);d.huffmanDHSelector=f>>2&3;d.huffmanDWSelector=f>>4&3;d.bitmapSizeSelector=f>>6&1;d.aggregationInstancesSelector=f>>7&1;d.bitmapCodingContextUsed=!!(256&f);d.bitmapCodingContextRetained=!!(512&f);d.template=f>>10&3;d.refinementTemplate=f>>12&1;h+=2;if(!d.huffman){s=0===d.template?4:1;a=[];for(n=0;n<s;n++){a.push({x:(0,i.readInt8)(c,h),y:(0,i.readInt8)(c,h+1)});h+=2}d.at=a}if(d.refinement&&!d.refinementTemplate){a=[];for(n=0;n<2;n++){a.push({x:(0,i.readInt8)(c,h),y:(0,i.readInt8)(c,h+1)});h+=2}d.refinementAt=a}d.numberOfExportedSymbols=(0,i.readUint32)(c,h);h+=4;d.numberOfNewSymbols=(0,i.readUint32)(c,h);h+=4;r=[d,o.number,o.referredTo,c,h,u];break;case 6:case 7:var g={};g.info=readRegionSegmentInformation(c,h);h+=l;var m=(0,i.readUint16)(c,h);h+=2;g.huffman=!!(1&m);g.refinement=!!(2&m);g.logStripSize=m>>2&3;g.stripSize=1<<g.logStripSize;g.referenceCorner=m>>4&3;g.transposed=!!(64&m);g.combinationOperator=m>>7&3;g.defaultPixelValue=m>>9&1;g.dsOffset=m<<17>>27;g.refinementTemplate=m>>15&1;if(g.huffman){var p=(0,i.readUint16)(c,h);h+=2;g.huffmanFS=3&p;g.huffmanDS=p>>2&3;g.huffmanDT=p>>4&3;g.huffmanRefinementDW=p>>6&3;g.huffmanRefinementDH=p>>8&3;g.huffmanRefinementDX=p>>10&3;g.huffmanRefinementDY=p>>12&3;g.huffmanRefinementSizeSelector=!!(16384&p)}if(g.refinement&&!g.refinementTemplate){a=[];for(n=0;n<2;n++){a.push({x:(0,i.readInt8)(c,h),y:(0,i.readInt8)(c,h+1)});h+=2}g.refinementAt=a}g.numberOfSymbolInstances=(0,i.readUint32)(c,h);h+=4;r=[g,o.referredTo,c,h,u];break;case 16:const e={},t=c[h++];e.mmr=!!(1&t);e.template=t>>1&3;e.patternWidth=c[h++];e.patternHeight=c[h++];e.maxPatternIndex=(0,i.readUint32)(c,h);h+=4;r=[e,o.number,c,h,u];break;case 22:case 23:const k={};k.info=readRegionSegmentInformation(c,h);h+=l;const S=c[h++];k.mmr=!!(1&S);k.template=S>>1&3;k.enableSkip=!!(8&S);k.combinationOperator=S>>4&7;k.defaultPixelValue=S>>7&1;k.gridWidth=(0,i.readUint32)(c,h);h+=4;k.gridHeight=(0,i.readUint32)(c,h);h+=4;k.gridOffsetX=4294967295&(0,i.readUint32)(c,h);h+=4;k.gridOffsetY=4294967295&(0,i.readUint32)(c,h);h+=4;k.gridVectorX=(0,i.readUint16)(c,h);h+=2;k.gridVectorY=(0,i.readUint16)(c,h);h+=2;r=[k,o.referredTo,c,h,u];break;case 38:case 39:var b={};b.info=readRegionSegmentInformation(c,h);h+=l;var y=c[h++];b.mmr=!!(1&y);b.template=y>>1&3;b.prediction=!!(8&y);if(!b.mmr){s=0===b.template?4:1;a=[];for(n=0;n<s;n++){a.push({x:(0,i.readInt8)(c,h),y:(0,i.readInt8)(c,h+1)});h+=2}b.at=a}r=[b,c,h,u];break;case 48:var v={width:(0,i.readUint32)(c,h),height:(0,i.readUint32)(c,h+4),resolutionX:(0,i.readUint32)(c,h+8),resolutionY:(0,i.readUint32)(c,h+12)};4294967295===v.height&&delete v.height;var w=c[h+16];(0,i.readUint16)(c,h+17);v.lossless=!!(1&w);v.refinement=!!(2&w);v.defaultPixelValue=w>>2&1;v.combinationOperator=w>>3&3;v.requiresBuffer=!!(32&w);v.combinationOperatorOverride=!!(64&w);r=[v];break;case 49:case 50:case 51:break;case 53:r=[o.number,c,h,u];break;case 62:break;default:throw new Jbig2Error(`segment type ${o.typeName}(${o.type}) is not implemented`)}var k="on"+o.typeName;k in t&&t[k].apply(t,r)}function processSegments(e,t){for(var r=0,a=e.length;r<a;r++)processSegment(e[r],t)}function SimpleSegmentVisitor(){}SimpleSegmentVisitor.prototype={onPageInformation:function SimpleSegmentVisitor_onPageInformation(e){this.currentPageInfo=e;var t=e.width+7>>3,r=new Uint8ClampedArray(t*e.height);if(e.defaultPixelValue)for(var a=0,i=r.length;a<i;a++)r[a]=255;this.buffer=r},drawBitmap:function SimpleSegmentVisitor_drawBitmap(e,t){var r,a,i,n,s=this.currentPageInfo,o=e.width,c=e.height,l=s.width+7>>3,h=s.combinationOperatorOverride?e.combinationOperator:s.combinationOperator,u=this.buffer,d=128>>(7&e.x),f=e.y*l+(e.x>>3);switch(h){case 0:for(r=0;r<c;r++){i=d;n=f;for(a=0;a<o;a++){t[r][a]&&(u[n]|=i);if(!(i>>=1)){i=128;n++}}f+=l}break;case 2:for(r=0;r<c;r++){i=d;n=f;for(a=0;a<o;a++){t[r][a]&&(u[n]^=i);if(!(i>>=1)){i=128;n++}}f+=l}break;default:throw new Jbig2Error(`operator ${h} is not supported`)}},onImmediateGenericRegion:function SimpleSegmentVisitor_onImmediateGenericRegion(e,t,r,a){var i=e.info,n=new DecodingContext(t,r,a),s=decodeBitmap(e.mmr,i.width,i.height,e.template,e.prediction,null,e.at,n);this.drawBitmap(i,s)},onImmediateLosslessGenericRegion:function SimpleSegmentVisitor_onImmediateLosslessGenericRegion(){this.onImmediateGenericRegion.apply(this,arguments)},onSymbolDictionary:function SimpleSegmentVisitor_onSymbolDictionary(e,t,r,a,n,s){let o,c;if(e.huffman){o=function getSymbolDictionaryHuffmanTables(e,t,r){let a,i,n,s,o=0;switch(e.huffmanDHSelector){case 0:case 1:a=getStandardTable(e.huffmanDHSelector+4);break;case 3:a=getCustomHuffmanTable(o,t,r);o++;break;default:throw new Jbig2Error("invalid Huffman DH selector")}switch(e.huffmanDWSelector){case 0:case 1:i=getStandardTable(e.huffmanDWSelector+2);break;case 3:i=getCustomHuffmanTable(o,t,r);o++;break;default:throw new Jbig2Error("invalid Huffman DW selector")}if(e.bitmapSizeSelector){n=getCustomHuffmanTable(o,t,r);o++}else n=getStandardTable(1);s=e.aggregationInstancesSelector?getCustomHuffmanTable(o,t,r):getStandardTable(1);return{tableDeltaHeight:a,tableDeltaWidth:i,tableBitmapSize:n,tableAggregateInstances:s}}(e,r,this.customTables);c=new Reader(a,n,s)}var l=this.symbols;l||(this.symbols=l={});for(var h=[],u=0,d=r.length;u<d;u++){const e=l[r[u]];e&&(h=h.concat(e))}var f=new DecodingContext(a,n,s);l[t]=function decodeSymbolDictionary(e,t,r,a,n,s,o,c,l,h,u,d){if(e&&t)throw new Jbig2Error("symbol refinement with Huffman is not supported");var f=[],g=0,m=(0,i.log2)(r.length+a),p=u.decoder,b=u.contextCache;let y,v;if(e){y=getStandardTable(1);v=[];m=Math.max(m,1)}for(;f.length<a;){g+=e?s.tableDeltaHeight.decode(d):decodeInteger(b,"IADH",p);let a=0,i=0;const n=e?v.length:0;for(;;){var w,k=e?s.tableDeltaWidth.decode(d):decodeInteger(b,"IADW",p);if(null===k)break;a+=k;i+=a;if(t){var S=decodeInteger(b,"IAAI",p);if(S>1)w=decodeTextRegion(e,t,a,g,0,S,1,r.concat(f),m,0,0,1,0,s,l,h,u,0,d);else{var C=decodeIAID(b,p,m),x=decodeInteger(b,"IARDX",p),A=decodeInteger(b,"IARDY",p);w=decodeRefinement(a,g,l,C<r.length?r[C]:f[C-r.length],x,A,!1,h,u)}f.push(w)}else if(e)v.push(a);else{w=decodeBitmap(!1,a,g,o,!1,null,c,u);f.push(w)}}if(e&&!t){const e=s.tableBitmapSize.decode(d);d.byteAlign();let t;if(0===e)t=readUncompressedBitmap(d,i,g);else{const r=d.end,a=d.position+e;d.end=a;t=decodeMMRBitmap(d,i,g,!1);d.end=r;d.position=a}const r=v.length;if(n===r-1)f.push(t);else{let e,a,i,s,o,c=0;for(e=n;e<r;e++){s=v[e];i=c+s;o=[];for(a=0;a<g;a++)o.push(t[a].subarray(c,i));f.push(o);c=i}}}}for(var T=[],I=[],F=!1,P=r.length+a;I.length<P;){for(var E=e?y.decode(d):decodeInteger(b,"IAEX",p);E--;)I.push(F);F=!F}for(var B=0,O=r.length;B<O;B++)I[B]&&T.push(r[B]);for(var M=0;M<a;B++,M++)I[B]&&T.push(f[M]);return T}(e.huffman,e.refinement,h,e.numberOfNewSymbols,e.numberOfExportedSymbols,o,e.template,e.at,e.refinementTemplate,e.refinementAt,f,c)},onImmediateTextRegion:function SimpleSegmentVisitor_onImmediateTextRegion(e,t,r,a,n){var s=e.info;let o,c;for(var l=this.symbols,h=[],u=0,d=t.length;u<d;u++){const e=l[t[u]];e&&(h=h.concat(e))}var f=(0,i.log2)(h.length);if(e.huffman){c=new Reader(r,a,n);o=function getTextRegionHuffmanTables(e,t,r,a,i){const n=[];for(let e=0;e<=34;e++){const t=i.readBits(4);n.push(new HuffmanLine([e,t,0,0]))}const s=new HuffmanTable(n,!1);n.length=0;for(let e=0;e<a;){const t=s.decode(i);if(t>=32){let r,a,s;switch(t){case 32:if(0===e)throw new Jbig2Error("no previous value in symbol ID table");a=i.readBits(2)+3;r=n[e-1].prefixLength;break;case 33:a=i.readBits(3)+3;r=0;break;case 34:a=i.readBits(7)+11;r=0;break;default:throw new Jbig2Error("invalid code length in symbol ID table")}for(s=0;s<a;s++){n.push(new HuffmanLine([e,r,0,0]));e++}}else{n.push(new HuffmanLine([e,t,0,0]));e++}}i.byteAlign();const o=new HuffmanTable(n,!1);let c,l,h,u=0;switch(e.huffmanFS){case 0:case 1:c=getStandardTable(e.huffmanFS+6);break;case 3:c=getCustomHuffmanTable(u,t,r);u++;break;default:throw new Jbig2Error("invalid Huffman FS selector")}switch(e.huffmanDS){case 0:case 1:case 2:l=getStandardTable(e.huffmanDS+8);break;case 3:l=getCustomHuffmanTable(u,t,r);u++;break;default:throw new Jbig2Error("invalid Huffman DS selector")}switch(e.huffmanDT){case 0:case 1:case 2:h=getStandardTable(e.huffmanDT+11);break;case 3:h=getCustomHuffmanTable(u,t,r);u++;break;default:throw new Jbig2Error("invalid Huffman DT selector")}if(e.refinement)throw new Jbig2Error("refinement with Huffman is not supported");return{symbolIDTable:o,tableFirstS:c,tableDeltaS:l,tableDeltaT:h}}(e,t,this.customTables,h.length,c)}var g=new DecodingContext(r,a,n),m=decodeTextRegion(e.huffman,e.refinement,s.width,s.height,e.defaultPixelValue,e.numberOfSymbolInstances,e.stripSize,h,f,e.transposed,e.dsOffset,e.referenceCorner,e.combinationOperator,o,e.refinementTemplate,e.refinementAt,g,e.logStripSize,c);this.drawBitmap(s,m)},onImmediateLosslessTextRegion:function SimpleSegmentVisitor_onImmediateLosslessTextRegion(){this.onImmediateTextRegion.apply(this,arguments)},onPatternDictionary(e,t,r,a,i){let n=this.patterns;n||(this.patterns=n={});const s=new DecodingContext(r,a,i);n[t]=function decodePatternDictionary(e,t,r,a,i,n){const s=[];if(!e){s.push({x:-t,y:0});if(0===i){s.push({x:-3,y:-1});s.push({x:2,y:-2});s.push({x:-2,y:-2})}}const o=decodeBitmap(e,(a+1)*t,r,i,!1,null,s,n),c=[];for(let e=0;e<=a;e++){const a=[],i=t*e,n=i+t;for(let e=0;e<r;e++)a.push(o[e].subarray(i,n));c.push(a)}return c}(e.mmr,e.patternWidth,e.patternHeight,e.maxPatternIndex,e.template,s)},onImmediateHalftoneRegion(e,t,r,a,n){const s=this.patterns[t[0]],o=e.info,c=new DecodingContext(r,a,n),l=function decodeHalftoneRegion(e,t,r,a,n,s,o,c,l,h,u,d,f,g,m){if(o)throw new Jbig2Error("skip is not supported");if(0!==c)throw new Jbig2Error("operator "+c+" is not supported in halftone region");const p=[];let b,y,v;for(b=0;b<n;b++){v=new Uint8Array(a);if(s)for(y=0;y<a;y++)v[y]=s;p.push(v)}const w=t.length,k=t[0],S=k[0].length,C=k.length,x=(0,i.log2)(w),A=[];if(!e){A.push({x:r<=1?3:2,y:-1});if(0===r){A.push({x:-3,y:-1});A.push({x:2,y:-2});A.push({x:-2,y:-2})}}const T=[];let I,F,P,E,B,O,M,D,R,N,L;e&&(I=new Reader(m.data,m.start,m.end));for(b=x-1;b>=0;b--){F=e?decodeMMRBitmap(I,l,h,!0):decodeBitmap(!1,l,h,r,!1,null,A,m);T[b]=F}for(P=0;P<h;P++)for(E=0;E<l;E++){B=0;O=0;for(y=x-1;y>=0;y--){B=T[y][P][E]^B;O|=B<<y}M=t[O];D=u+P*g+E*f>>8;R=d+P*f-E*g>>8;if(D>=0&&D+S<=a&&R>=0&&R+C<=n)for(b=0;b<C;b++){L=p[R+b];N=M[b];for(y=0;y<S;y++)L[D+y]|=N[y]}else{let e,t;for(b=0;b<C;b++){t=R+b;if(!(t<0||t>=n)){L=p[t];N=M[b];for(y=0;y<S;y++){e=D+y;e>=0&&e<a&&(L[e]|=N[y])}}}}}return p}(e.mmr,s,e.template,o.width,o.height,e.defaultPixelValue,e.enableSkip,e.combinationOperator,e.gridWidth,e.gridHeight,e.gridOffsetX,e.gridOffsetY,e.gridVectorX,e.gridVectorY,c);this.drawBitmap(o,l)},onImmediateLosslessHalftoneRegion(){this.onImmediateHalftoneRegion.apply(this,arguments)},onTables(e,t,r,a){let n=this.customTables;n||(this.customTables=n={});n[e]=function decodeTablesSegment(e,t,r){const a=e[t],n=4294967295&(0,i.readUint32)(e,t+1),s=4294967295&(0,i.readUint32)(e,t+5),o=new Reader(e,t+9,r),c=1+(a>>1&7),l=1+(a>>4&7),h=[];let u,d,f=n;do{u=o.readBits(c);d=o.readBits(l);h.push(new HuffmanLine([f,u,d,0]));f+=1<<d}while(f<s);u=o.readBits(c);h.push(new HuffmanLine([n-1,u,32,0,"lower"]));u=o.readBits(c);h.push(new HuffmanLine([s,u,32,0]));if(1&a){u=o.readBits(c);h.push(new HuffmanLine([u,0]))}return new HuffmanTable(h,!1)}(t,r,a)}};function HuffmanLine(e){if(2===e.length){this.isOOB=!0;this.rangeLow=0;this.prefixLength=e[0];this.rangeLength=0;this.prefixCode=e[1];this.isLowerRange=!1}else{this.isOOB=!1;this.rangeLow=e[0];this.prefixLength=e[1];this.rangeLength=e[2];this.prefixCode=e[3];this.isLowerRange="lower"===e[4]}}function HuffmanTreeNode(e){this.children=[];if(e){this.isLeaf=!0;this.rangeLength=e.rangeLength;this.rangeLow=e.rangeLow;this.isLowerRange=e.isLowerRange;this.isOOB=e.isOOB}else this.isLeaf=!1}HuffmanTreeNode.prototype={buildTree(e,t){const r=e.prefixCode>>t&1;if(t<=0)this.children[r]=new HuffmanTreeNode(e);else{let a=this.children[r];a||(this.children[r]=a=new HuffmanTreeNode(null));a.buildTree(e,t-1)}},decodeNode(e){if(this.isLeaf){if(this.isOOB)return null;const t=e.readBits(this.rangeLength);return this.rangeLow+(this.isLowerRange?-t:t)}const t=this.children[e.readBit()];if(!t)throw new Jbig2Error("invalid Huffman data");return t.decodeNode(e)}};function HuffmanTable(e,t){t||this.assignPrefixCodes(e);this.rootNode=new HuffmanTreeNode(null);for(let t=0,r=e.length;t<r;t++){const r=e[t];r.prefixLength>0&&this.rootNode.buildTree(r,r.prefixLength-1)}}HuffmanTable.prototype={decode(e){return this.rootNode.decodeNode(e)},assignPrefixCodes(e){const t=e.length;let r=0;for(let a=0;a<t;a++)r=Math.max(r,e[a].prefixLength);const a=new Uint32Array(r+1);for(let r=0;r<t;r++)a[e[r].prefixLength]++;let i,n,s,o=1,c=0;a[0]=0;for(;o<=r;){c=c+a[o-1]<<1;i=c;n=0;for(;n<t;){s=e[n];if(s.prefixLength===o){s.prefixCode=i;i++}n++}o++}}};const h={};function getStandardTable(e){let t,r=h[e];if(r)return r;switch(e){case 1:t=[[0,1,4,0],[16,2,8,2],[272,3,16,6],[65808,3,32,7]];break;case 2:t=[[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[75,6,32,62],[6,63]];break;case 3:t=[[-256,8,8,254],[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[-257,8,32,255,"lower"],[75,7,32,126],[6,62]];break;case 4:t=[[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[76,5,32,31]];break;case 5:t=[[-255,7,8,126],[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[-256,7,32,127,"lower"],[76,6,32,62]];break;case 6:t=[[-2048,5,10,28],[-1024,4,9,8],[-512,4,8,9],[-256,4,7,10],[-128,5,6,29],[-64,5,5,30],[-32,4,5,11],[0,2,7,0],[128,3,7,2],[256,3,8,3],[512,4,9,12],[1024,4,10,13],[-2049,6,32,62,"lower"],[2048,6,32,63]];break;case 7:t=[[-1024,4,9,8],[-512,3,8,0],[-256,4,7,9],[-128,5,6,26],[-64,5,5,27],[-32,4,5,10],[0,4,5,11],[32,5,5,28],[64,5,6,29],[128,4,7,12],[256,3,8,1],[512,3,9,2],[1024,3,10,3],[-1025,5,32,30,"lower"],[2048,5,32,31]];break;case 8:t=[[-15,8,3,252],[-7,9,1,508],[-5,8,1,253],[-3,9,0,509],[-2,7,0,124],[-1,4,0,10],[0,2,1,0],[2,5,0,26],[3,6,0,58],[4,3,4,4],[20,6,1,59],[22,4,4,11],[38,4,5,12],[70,5,6,27],[134,5,7,28],[262,6,7,60],[390,7,8,125],[646,6,10,61],[-16,9,32,510,"lower"],[1670,9,32,511],[2,1]];break;case 9:t=[[-31,8,4,252],[-15,9,2,508],[-11,8,2,253],[-7,9,1,509],[-5,7,1,124],[-3,4,1,10],[-1,3,1,2],[1,3,1,3],[3,5,1,26],[5,6,1,58],[7,3,5,4],[39,6,2,59],[43,4,5,11],[75,4,6,12],[139,5,7,27],[267,5,8,28],[523,6,8,60],[779,7,9,125],[1291,6,11,61],[-32,9,32,510,"lower"],[3339,9,32,511],[2,0]];break;case 10:t=[[-21,7,4,122],[-5,8,0,252],[-4,7,0,123],[-3,5,0,24],[-2,2,2,0],[2,5,0,25],[3,6,0,54],[4,7,0,124],[5,8,0,253],[6,2,6,1],[70,5,5,26],[102,6,5,55],[134,6,6,56],[198,6,7,57],[326,6,8,58],[582,6,9,59],[1094,6,10,60],[2118,7,11,125],[-22,8,32,254,"lower"],[4166,8,32,255],[2,2]];break;case 11:t=[[1,1,0,0],[2,2,1,2],[4,4,0,12],[5,4,1,13],[7,5,1,28],[9,5,2,29],[13,6,2,60],[17,7,2,122],[21,7,3,123],[29,7,4,124],[45,7,5,125],[77,7,6,126],[141,7,32,127]];break;case 12:t=[[1,1,0,0],[2,2,0,2],[3,3,1,6],[5,5,0,28],[6,5,1,29],[8,6,1,60],[10,7,0,122],[11,7,1,123],[13,7,2,124],[17,7,3,125],[25,7,4,126],[41,8,5,254],[73,8,32,255]];break;case 13:t=[[1,1,0,0],[2,3,0,4],[3,4,0,12],[4,5,0,28],[5,4,1,13],[7,3,3,5],[15,6,1,58],[17,6,2,59],[21,6,3,60],[29,6,4,61],[45,6,5,62],[77,7,6,126],[141,7,32,127]];break;case 14:t=[[-2,3,0,4],[-1,3,0,5],[0,1,0,0],[1,3,0,6],[2,3,0,7]];break;case 15:t=[[-24,7,4,124],[-8,6,2,60],[-4,5,1,28],[-2,4,0,12],[-1,3,0,4],[0,1,0,0],[1,3,0,5],[2,4,0,13],[3,5,1,29],[5,6,2,61],[9,7,4,125],[-25,7,32,126,"lower"],[25,7,32,127]];break;default:throw new Jbig2Error(`standard table B.${e} does not exist`)}for(let e=0,r=t.length;e<r;e++)t[e]=new HuffmanLine(t[e]);r=new HuffmanTable(t,!0);h[e]=r;return r}function Reader(e,t,r){this.data=e;this.start=t;this.end=r;this.position=t;this.shift=-1;this.currentByte=0}Reader.prototype={readBit(){if(this.shift<0){if(this.position>=this.end)throw new Jbig2Error("end of data while reading bit");this.currentByte=this.data[this.position++];this.shift=7}const e=this.currentByte>>this.shift&1;this.shift--;return e},readBits(e){let t,r=0;for(t=e-1;t>=0;t--)r|=this.readBit()<<t;return r},byteAlign(){this.shift=-1},next(){return this.position>=this.end?-1:this.data[this.position++]}};function getCustomHuffmanTable(e,t,r){let a=0;for(let i=0,n=t.length;i<n;i++){const n=r[t[i]];if(n){if(e===a)return n;a++}}throw new Jbig2Error("can't find custom Huffman table")}function readUncompressedBitmap(e,t,r){const a=[];for(let i=0;i<r;i++){const r=new Uint8Array(t);a.push(r);for(let a=0;a<t;a++)r[a]=e.readBit();e.byteAlign()}return a}function decodeMMRBitmap(e,t,r,a){const i={K:-1,Columns:t,Rows:r,BlackIs1:!0,EndOfBlock:a},n=new s.CCITTFaxDecoder(e,i),o=[];let c,l=!1;for(let e=0;e<r;e++){const e=new Uint8Array(t);o.push(e);let r=-1;for(let a=0;a<t;a++){if(r<0){c=n.readNextChar();if(-1===c){c=0;l=!0}r=7}e[a]=c>>r&1;r--}}if(a&&!l){const e=5;for(let t=0;t<e&&-1!==n.readNextChar();t++);}return o}function Jbig2Image(){}Jbig2Image.prototype={parseChunks:e=>function parseJbig2Chunks(e){for(var t=new SimpleSegmentVisitor,r=0,a=e.length;r<a;r++){var i=e[r];processSegments(readSegments({},i.data,i.start,i.end),t)}return t.buffer}(e),parse(e){const{imgData:t,width:r,height:a}=function parseJbig2(e){const t=e.length;let r=0;if(151!==e[r]||74!==e[r+1]||66!==e[r+2]||50!==e[r+3]||13!==e[r+4]||10!==e[r+5]||26!==e[r+6]||10!==e[r+7])throw new Jbig2Error("parseJbig2 - invalid header.");const a=Object.create(null);r+=8;const n=e[r++];a.randomAccess=!(1&n);if(!(2&n)){a.numberOfPages=(0,i.readUint32)(e,r);r+=4}const s=readSegments(a,e,r,t),o=new SimpleSegmentVisitor;processSegments(s,o);const{width:c,height:l}=o.currentPageInfo,h=o.buffer,u=new Uint8ClampedArray(c*l);let d=0,f=0;for(let e=0;e<l;e++){let e,t=0;for(let r=0;r<c;r++){if(!t){t=128;e=h[f++]}u[d++]=e&t?0:255;t>>=1}}return{imgData:u,width:c,height:l}}(e);this.width=r;this.height=a;return t}};return Jbig2Image}();t.Jbig2Image=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.ArithmeticDecoder=void 0;const a=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}];t.ArithmeticDecoder=class ArithmeticDecoder{constructor(e,t,r){this.data=e;this.bp=t;this.dataEnd=r;this.chigh=e[t];this.clow=0;this.byteIn();this.chigh=this.chigh<<7&65535|this.clow>>9&127;this.clow=this.clow<<7&65535;this.ct-=7;this.a=32768}byteIn(){const e=this.data;let t=this.bp;if(255===e[t])if(e[t+1]>143){this.clow+=65280;this.ct=8}else{t++;this.clow+=e[t]<<9;this.ct=7;this.bp=t}else{t++;this.clow+=t<this.dataEnd?e[t]<<8:65280;this.ct=8;this.bp=t}if(this.clow>65535){this.chigh+=this.clow>>16;this.clow&=65535}}readBit(e,t){let r=e[t]>>1,i=1&e[t];const n=a[r],s=n.qe;let o,c=this.a-s;if(this.chigh<s)if(c<s){c=s;o=i;r=n.nmps}else{c=s;o=1^i;1===n.switchFlag&&(i=o);r=n.nlps}else{this.chigh-=s;if(0!=(32768&c)){this.a=c;return i}if(c<s){o=1^i;1===n.switchFlag&&(i=o);r=n.nlps}else{o=i;r=n.nmps}}do{0===this.ct&&this.byteIn();c<<=1;this.chigh=this.chigh<<1&65535|this.clow>>15&1;this.clow=this.clow<<1&65535;this.ct--}while(0==(32768&c));this.a=c;e[t]=r<<1|i;return o}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpegStream=void 0;var a=r(12),i=r(5),n=r(19),s=r(2);const o=function JpegStreamClosure(){function JpegStream(e,t,r,i){let n;for(;-1!==(n=e.getByte());)if(255===n){e.skip(-1);break}this.stream=e;this.maybeLength=t;this.dict=r;this.params=i;a.DecodeStream.call(this,t)}JpegStream.prototype=Object.create(a.DecodeStream.prototype);Object.defineProperty(JpegStream.prototype,"bytes",{get:function JpegStream_bytes(){return(0,s.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});JpegStream.prototype.ensureBuffer=function(e){};JpegStream.prototype.readBlock=function(){if(this.eof)return;const e={decodeTransform:void 0,colorTransform:void 0},t=this.dict.getArray("Decode","D");if(this.forceRGB&&Array.isArray(t)){const r=this.dict.get("BitsPerComponent")||8,a=t.length,i=new Int32Array(a);let n=!1;const s=(1<<r)-1;for(let e=0;e<a;e+=2){i[e]=256*(t[e+1]-t[e])|0;i[e+1]=t[e]*s|0;256===i[e]&&0===i[e+1]||(n=!0)}n&&(e.decodeTransform=i)}if((0,i.isDict)(this.params)){const t=this.params.get("ColorTransform");Number.isInteger(t)&&(e.colorTransform=t)}const r=new n.JpegImage(e);r.parse(this.bytes);const a=r.getData({width:this.drawWidth,height:this.drawHeight,forceRGB:this.forceRGB,isSourcePDF:!0});this.buffer=a;this.bufferLength=a.length;this.eof=!0};return JpegStream}();t.JpegStream=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpegImage=void 0;var a=r(2),i=r(8);class JpegError extends a.BaseException{constructor(e){super("JPEG error: "+e)}}class DNLMarkerError extends a.BaseException{constructor(e,t){super(e);this.scanLines=t}}class EOIMarkerError extends a.BaseException{}var n=function JpegImageClosure(){var e=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]);function JpegImage({decodeTransform:e=null,colorTransform:t=-1}={}){this._decodeTransform=e;this._colorTransform=t}function buildHuffmanTable(e,t){for(var r,a,i=0,n=[],s=16;s>0&&!e[s-1];)s--;n.push({children:[],index:0});var o,c=n[0];for(r=0;r<s;r++){for(a=0;a<e[r];a++){(c=n.pop()).children[c.index]=t[i];for(;c.index>0;)c=n.pop();c.index++;n.push(c);for(;n.length<=r;){n.push(o={children:[],index:0});c.children[c.index]=o.children;c=o}i++}if(r+1<s){n.push(o={children:[],index:0});c.children[c.index]=o.children;c=o}}return n[0].children}function getBlockBufferOffset(e,t,r){return 64*((e.blocksPerLine+1)*t+r)}function decodeScan(t,r,n,s,o,c,l,h,u,d=!1){var f=n.mcusPerLine,g=n.progressive;const m=r;let p=0,b=0;function readBit(){if(b>0){b--;return p>>b&1}p=t[r++];if(255===p){var e=t[r++];if(e){if(220===e&&d){r+=2;const e=(0,i.readUint16)(t,r);r+=2;if(e>0&&e!==n.scanLines)throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",e)}else if(217===e){if(d){const e=k*(8===n.precision?8:0);if(e>0&&Math.round(n.scanLines/e)>=10)throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, possibly caused by incorrect `scanLines` parameter",e)}throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data")}throw new JpegError("unexpected marker "+(p<<8|e).toString(16))}}b=7;return p>>>7}function decodeHuffman(e){for(var t=e;;){switch(typeof(t=t[readBit()])){case"number":return t;case"object":continue}throw new JpegError("invalid huffman sequence")}}function receive(e){for(var t=0;e>0;){t=t<<1|readBit();e--}return t}function receiveAndExtend(e){if(1===e)return 1===readBit()?1:-1;var t=receive(e);return t>=1<<e-1?t:t+(-1<<e)+1}var y=0;var v,w=0;let k=0;function decodeMcu(e,t,r,a,i){var n=r%f;k=(r/f|0)*e.v+a;var s=n*e.h+i;t(e,getBlockBufferOffset(e,k,s))}function decodeBlock(e,t,r){k=r/e.blocksPerLine|0;var a=r%e.blocksPerLine;t(e,getBlockBufferOffset(e,k,a))}var S,C,x,A,T,I,F=s.length;I=g?0===c?0===h?function decodeDCFirst(e,t){var r=decodeHuffman(e.huffmanTableDC),a=0===r?0:receiveAndExtend(r)<<u;e.blockData[t]=e.pred+=a}:function decodeDCSuccessive(e,t){e.blockData[t]|=readBit()<<u}:0===h?function decodeACFirst(t,r){if(y>0)y--;else for(var a=c,i=l;a<=i;){var n=decodeHuffman(t.huffmanTableAC),s=15&n,o=n>>4;if(0!==s){var h=e[a+=o];t.blockData[r+h]=receiveAndExtend(s)*(1<<u);a++}else{if(o<15){y=receive(o)+(1<<o)-1;break}a+=16}}}:function decodeACSuccessive(t,r){for(var a,i,n=c,s=l,o=0;n<=s;){const s=r+e[n],c=t.blockData[s]<0?-1:1;switch(w){case 0:o=(i=decodeHuffman(t.huffmanTableAC))>>4;if(0===(a=15&i))if(o<15){y=receive(o)+(1<<o);w=4}else{o=16;w=1}else{if(1!==a)throw new JpegError("invalid ACn encoding");v=receiveAndExtend(a);w=o?2:3}continue;case 1:case 2:t.blockData[s]?t.blockData[s]+=c*(readBit()<<u):0===--o&&(w=2===w?3:0);break;case 3:if(t.blockData[s])t.blockData[s]+=c*(readBit()<<u);else{t.blockData[s]=v<<u;w=0}break;case 4:t.blockData[s]&&(t.blockData[s]+=c*(readBit()<<u))}n++}4===w&&0===--y&&(w=0)}:function decodeBaseline(t,r){var a=decodeHuffman(t.huffmanTableDC),i=0===a?0:receiveAndExtend(a);t.blockData[r]=t.pred+=i;for(var n=1;n<64;){var s=decodeHuffman(t.huffmanTableAC),o=15&s,c=s>>4;if(0!==o){var l=e[n+=c];t.blockData[r+l]=receiveAndExtend(o);n++}else{if(c<15)break;n+=16}}};var P,E,B,O,M=0;E=1===F?s[0].blocksPerLine*s[0].blocksPerColumn:f*n.mcusPerColumn;for(;M<=E;){var D=o?Math.min(E-M,o):E;if(D>0){for(C=0;C<F;C++)s[C].pred=0;y=0;if(1===F){S=s[0];for(T=0;T<D;T++){decodeBlock(S,I,M);M++}}else for(T=0;T<D;T++){for(C=0;C<F;C++){B=(S=s[C]).h;O=S.v;for(x=0;x<O;x++)for(A=0;A<B;A++)decodeMcu(S,I,M,x,A)}M++}}b=0;if(!(P=findNextFileMarker(t,r)))break;if(P.invalid){const e=D>0?"unexpected":"excessive";(0,a.warn)(`decodeScan - ${e} MCU data, current marker is: ${P.invalid}`);r=P.offset}if(!(P.marker>=65488&&P.marker<=65495))break;r+=2}return r-m}function quantizeAndInverse(e,t,r){var a,i,n,s,o,c,l,h,u,d,f,g,m,p,b,y,v,w=e.quantizationTable,k=e.blockData;if(!w)throw new JpegError("missing required Quantization Table.");for(var S=0;S<64;S+=8){u=k[t+S];d=k[t+S+1];f=k[t+S+2];g=k[t+S+3];m=k[t+S+4];p=k[t+S+5];b=k[t+S+6];y=k[t+S+7];u*=w[S];if(0!=(d|f|g|m|p|b|y)){d*=w[S+1];f*=w[S+2];g*=w[S+3];m*=w[S+4];p*=w[S+5];i=(a=(a=5793*u+128>>8)+(i=5793*m+128>>8)+1>>1)-i;v=3784*(n=f)+1567*(s=b*=w[S+6])+128>>8;n=1567*n-3784*s+128>>8;l=(o=(o=2896*(d-(y*=w[S+7]))+128>>8)+(l=p<<4)+1>>1)-l;c=(h=(h=2896*(d+y)+128>>8)+(c=g<<4)+1>>1)-c;s=(a=a+(s=v)+1>>1)-s;n=(i=i+n+1>>1)-n;v=2276*o+3406*h+2048>>12;o=3406*o-2276*h+2048>>12;h=v;v=799*c+4017*l+2048>>12;c=4017*c-799*l+2048>>12;l=v;r[S]=a+h;r[S+7]=a-h;r[S+1]=i+l;r[S+6]=i-l;r[S+2]=n+c;r[S+5]=n-c;r[S+3]=s+o;r[S+4]=s-o}else{v=5793*u+512>>10;r[S]=v;r[S+1]=v;r[S+2]=v;r[S+3]=v;r[S+4]=v;r[S+5]=v;r[S+6]=v;r[S+7]=v}}for(var C=0;C<8;++C){u=r[C];if(0!=((d=r[C+8])|(f=r[C+16])|(g=r[C+24])|(m=r[C+32])|(p=r[C+40])|(b=r[C+48])|(y=r[C+56]))){i=(a=4112+((a=5793*u+2048>>12)+(i=5793*m+2048>>12)+1>>1))-i;v=3784*(n=f)+1567*(s=b)+2048>>12;n=1567*n-3784*s+2048>>12;s=v;l=(o=(o=2896*(d-y)+2048>>12)+(l=p)+1>>1)-l;c=(h=(h=2896*(d+y)+2048>>12)+(c=g)+1>>1)-c;v=2276*o+3406*h+2048>>12;o=3406*o-2276*h+2048>>12;h=v;v=799*c+4017*l+2048>>12;c=4017*c-799*l+2048>>12;(u=(a=a+s+1>>1)+h)<16?u=0:u>=4080?u=255:u>>=4;(d=(i=i+n+1>>1)+(l=v))<16?d=0:d>=4080?d=255:d>>=4;(f=(n=i-n)+c)<16?f=0:f>=4080?f=255:f>>=4;(g=(s=a-s)+o)<16?g=0:g>=4080?g=255:g>>=4;(m=s-o)<16?m=0:m>=4080?m=255:m>>=4;(p=n-c)<16?p=0:p>=4080?p=255:p>>=4;(b=i-l)<16?b=0:b>=4080?b=255:b>>=4;(y=a-h)<16?y=0:y>=4080?y=255:y>>=4;k[t+C]=u;k[t+C+8]=d;k[t+C+16]=f;k[t+C+24]=g;k[t+C+32]=m;k[t+C+40]=p;k[t+C+48]=b;k[t+C+56]=y}else{v=(v=5793*u+8192>>14)<-2040?0:v>=2024?255:v+2056>>4;k[t+C]=v;k[t+C+8]=v;k[t+C+16]=v;k[t+C+24]=v;k[t+C+32]=v;k[t+C+40]=v;k[t+C+48]=v;k[t+C+56]=v}}}function buildComponentData(e,t){for(var r=t.blocksPerLine,a=t.blocksPerColumn,i=new Int16Array(64),n=0;n<a;n++)for(var s=0;s<r;s++){quantizeAndInverse(t,getBlockBufferOffset(t,n,s),i)}return t.blockData}function findNextFileMarker(e,t,r=t){const a=e.length-1;var n=r<t?r:t;if(t>=a)return null;var s=(0,i.readUint16)(e,t);if(s>=65472&&s<=65534)return{invalid:null,marker:s,offset:t};for(var o=(0,i.readUint16)(e,n);!(o>=65472&&o<=65534);){if(++n>=a)return null;o=(0,i.readUint16)(e,n)}return{invalid:s.toString(16),marker:o,offset:n}}JpegImage.prototype={parse(t,{dnlScanLines:r=null}={}){function readDataBlock(){const e=(0,i.readUint16)(t,o);let r=(o+=2)+e-2;var n=findNextFileMarker(t,r,o);if(n&&n.invalid){(0,a.warn)("readDataBlock - incorrect length, current marker is: "+n.invalid);r=n.offset}var s=t.subarray(o,r);o+=s.length;return s}function prepareComponents(e){for(var t=Math.ceil(e.samplesPerLine/8/e.maxH),r=Math.ceil(e.scanLines/8/e.maxV),a=0;a<e.components.length;a++){M=e.components[a];var i=Math.ceil(Math.ceil(e.samplesPerLine/8)*M.h/e.maxH),n=Math.ceil(Math.ceil(e.scanLines/8)*M.v/e.maxV),s=t*M.h,o=64*(r*M.v)*(s+1);M.blockData=new Int16Array(o);M.blocksPerLine=i;M.blocksPerColumn=n}e.mcusPerLine=t;e.mcusPerColumn=r}var n,s,o=0,c=null,l=null;let h=0;var u=[],d=[],f=[];let g=(0,i.readUint16)(t,o);o+=2;if(65496!==g)throw new JpegError("SOI not found");g=(0,i.readUint16)(t,o);o+=2;e:for(;65497!==g;){var m,p,b;switch(g){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var y=readDataBlock();65504===g&&74===y[0]&&70===y[1]&&73===y[2]&&70===y[3]&&0===y[4]&&(c={version:{major:y[5],minor:y[6]},densityUnits:y[7],xDensity:y[8]<<8|y[9],yDensity:y[10]<<8|y[11],thumbWidth:y[12],thumbHeight:y[13],thumbData:y.subarray(14,14+3*y[12]*y[13])});65518===g&&65===y[0]&&100===y[1]&&111===y[2]&&98===y[3]&&101===y[4]&&(l={version:y[5]<<8|y[6],flags0:y[7]<<8|y[8],flags1:y[9]<<8|y[10],transformCode:y[11]});break;case 65499:for(var v=(0,i.readUint16)(t,o)+(o+=2)-2;o<v;){var w=t[o++],k=new Uint16Array(64);if(w>>4==0)for(p=0;p<64;p++)k[e[p]]=t[o++];else{if(w>>4!=1)throw new JpegError("DQT - invalid table spec");for(p=0;p<64;p++){k[e[p]]=(0,i.readUint16)(t,o);o+=2}}u[15&w]=k}break;case 65472:case 65473:case 65474:if(n)throw new JpegError("Only single frame JPEGs supported");o+=2;(n={}).extended=65473===g;n.progressive=65474===g;n.precision=t[o++];const H=(0,i.readUint16)(t,o);o+=2;n.scanLines=r||H;n.samplesPerLine=(0,i.readUint16)(t,o);o+=2;n.components=[];n.componentIds={};var S,C=t[o++],x=0,A=0;for(m=0;m<C;m++){S=t[o];var T=t[o+1]>>4,I=15&t[o+1];x<T&&(x=T);A<I&&(A=I);var F=t[o+2];b=n.components.push({h:T,v:I,quantizationId:F,quantizationTable:null});n.componentIds[S]=b-1;o+=3}n.maxH=x;n.maxV=A;prepareComponents(n);break;case 65476:const z=(0,i.readUint16)(t,o);o+=2;for(m=2;m<z;){var P=t[o++],E=new Uint8Array(16),B=0;for(p=0;p<16;p++,o++)B+=E[p]=t[o];var O=new Uint8Array(B);for(p=0;p<B;p++,o++)O[p]=t[o];m+=17+B;(P>>4==0?f:d)[15&P]=buildHuffmanTable(E,O)}break;case 65501:o+=2;s=(0,i.readUint16)(t,o);o+=2;break;case 65498:const G=1==++h&&!r;o+=2;var M,D=t[o++],R=[];for(m=0;m<D;m++){const e=t[o++];var N=n.componentIds[e];(M=n.components[N]).index=e;var L=t[o++];M.huffmanTableDC=f[L>>4];M.huffmanTableAC=d[15&L];R.push(M)}var _=t[o++],U=t[o++],q=t[o++];try{var j=decodeScan(t,o,n,R,s,_,U,q>>4,15&q,G);o+=j}catch(e){if(e instanceof DNLMarkerError){(0,a.warn)(e.message+" -- attempting to re-parse the JPEG image.");return this.parse(t,{dnlScanLines:e.scanLines})}if(e instanceof EOIMarkerError){(0,a.warn)(e.message+" -- ignoring the rest of the image data.");break e}throw e}break;case 65500:o+=4;break;case 65535:255!==t[o]&&o--;break;default:const W=findNextFileMarker(t,o-2,o-3);if(W&&W.invalid){(0,a.warn)("JpegImage.parse - unexpected data, current marker is: "+W.invalid);o=W.offset;break}if(o>=t.length-1){(0,a.warn)("JpegImage.parse - reached the end of the image data without finding an EOI marker (0xFFD9).");break e}throw new JpegError("JpegImage.parse - unknown marker: "+g.toString(16))}g=(0,i.readUint16)(t,o);o+=2}this.width=n.samplesPerLine;this.height=n.scanLines;this.jfif=c;this.adobe=l;this.components=[];for(m=0;m<n.components.length;m++){var H=u[(M=n.components[m]).quantizationId];H&&(M.quantizationTable=H);this.components.push({index:M.index,output:buildComponentData(0,M),scaleX:M.h/n.maxH,scaleY:M.v/n.maxV,blocksPerLine:M.blocksPerLine,blocksPerColumn:M.blocksPerColumn})}this.numComponents=this.components.length},_getLinearizedBlockData(e,t,r=!1){var a,i,n,s,o,c,l,h,u,d,f,g=this.width/e,m=this.height/t,p=0,b=this.components.length,y=e*t*b,v=new Uint8ClampedArray(y),w=new Uint32Array(e);let k;for(l=0;l<b;l++){i=(a=this.components[l]).scaleX*g;n=a.scaleY*m;p=l;f=a.output;s=a.blocksPerLine+1<<3;if(i!==k){for(o=0;o<e;o++){h=0|o*i;w[o]=(4294967288&h)<<3|7&h}k=i}for(c=0;c<t;c++){d=s*(4294967288&(h=0|c*n))|(7&h)<<3;for(o=0;o<e;o++){v[p]=f[d+w[o]];p+=b}}}let S=this._decodeTransform;r||4!==b||S||(S=new Int32Array([-256,255,-256,255,-256,255,-256,255]));if(S)for(l=0;l<y;)for(h=0,u=0;h<b;h++,l++,u+=2)v[l]=(v[l]*S[u]>>8)+S[u+1];return v},get _isColorConversionNeeded(){return this.adobe?!!this.adobe.transformCode:3===this.numComponents?0!==this._colorTransform&&(82!==this.components[0].index||71!==this.components[1].index||66!==this.components[2].index):1===this._colorTransform},_convertYccToRgb:function convertYccToRgb(e){for(var t,r,a,i=0,n=e.length;i<n;i+=3){t=e[i];r=e[i+1];a=e[i+2];e[i]=t-179.456+1.402*a;e[i+1]=t+135.459-.344*r-.714*a;e[i+2]=t-226.816+1.772*r}return e},_convertYcckToRgb:function convertYcckToRgb(e){for(var t,r,a,i,n=0,s=0,o=e.length;s<o;s+=4){t=e[s];r=e[s+1];a=e[s+2];i=e[s+3];e[n++]=r*(-660635669420364e-19*r+.000437130475926232*a-54080610064599e-18*t+.00048449797120281*i-.154362151871126)-122.67195406894+a*(-.000957964378445773*a+.000817076911346625*t-.00477271405408747*i+1.53380253221734)+t*(.000961250184130688*t-.00266257332283933*i+.48357088451265)+i*(-.000336197177618394*i+.484791561490776);e[n++]=107.268039397724+r*(219927104525741e-19*r-.000640992018297945*a+.000659397001245577*t+.000426105652938837*i-.176491792462875)+a*(-.000778269941513683*a+.00130872261408275*t+.000770482631801132*i-.151051492775562)+t*(.00126935368114843*t-.00265090189010898*i+.25802910206845)+i*(-.000318913117588328*i-.213742400323665);e[n++]=r*(-.000570115196973677*r-263409051004589e-19*a+.0020741088115012*t-.00288260236853442*i+.814272968359295)-20.810012546947+a*(-153496057440975e-19*a-.000132689043961446*t+.000560833691242812*i-.195152027534049)+t*(.00174418132927582*t-.00255243321439347*i+.116935020465145)+i*(-.000343531996510555*i+.24165260232407)}return e.subarray(0,n)},_convertYcckToCmyk:function convertYcckToCmyk(e){for(var t,r,a,i=0,n=e.length;i<n;i+=4){t=e[i];r=e[i+1];a=e[i+2];e[i]=434.456-t-1.402*a;e[i+1]=119.541-t+.344*r+.714*a;e[i+2]=481.816-t-1.772*r}return e},_convertCmykToRgb:function convertCmykToRgb(e){for(var t,r,a,i,n=0,s=0,o=e.length;s<o;s+=4){t=e[s];r=e[s+1];a=e[s+2];i=e[s+3];e[n++]=255+t*(-6747147073602441e-20*t+.0008379262121013727*r+.0002894718188643294*a+.003264231057537806*i-1.1185611867203937)+r*(26374107616089405e-21*r-8626949158638572e-20*a-.0002748769067499491*i-.02155688794978967)+a*(-3878099212869363e-20*a-.0003267808279485286*i+.0686742238595345)-i*(.0003361971776183937*i+.7430659151342254);e[n++]=255+t*(.00013596372813588848*t+.000924537132573585*r+.00010567359618683593*a+.0004791864687436512*i-.3109689587515875)+r*(-.00023545346108370344*r+.0002702845253534714*a+.0020200308977307156*i-.7488052167015494)+a*(6834815998235662e-20*a+.00015168452363460973*i-.09751927774728933)-i*(.0003189131175883281*i+.7364883807733168);e[n++]=255+t*(13598650411385307e-21*t+.00012423956175490851*r+.0004751985097583589*a-36729317476630422e-22*i-.05562186980264034)+r*(.00016141380598724676*r+.0009692239130725186*a+.0007782692450036253*i-.44015232367526463)+a*(5.068882914068769e-7*a+.0017778369011375071*i-.7591454649749609)-i*(.0003435319965105553*i+.7063770186160144)}return e.subarray(0,n)},getData({width:e,height:t,forceRGB:r=!1,isSourcePDF:a=!1}){if(this.numComponents>4)throw new JpegError("Unsupported color mode");var i=this._getLinearizedBlockData(e,t,a);if(1===this.numComponents&&r){for(var n=i.length,s=new Uint8ClampedArray(3*n),o=0,c=0;c<n;c++){var l=i[c];s[o++]=l;s[o++]=l;s[o++]=l}return s}if(3===this.numComponents&&this._isColorConversionNeeded)return this._convertYccToRgb(i);if(4===this.numComponents){if(this._isColorConversionNeeded)return r?this._convertYcckToRgb(i):this._convertYcckToCmyk(i);if(r)return this._convertCmykToRgb(i)}return i}};return JpegImage}();t.JpegImage=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpxStream=void 0;var a=r(12),i=r(21),n=r(2);const s=function JpxStreamClosure(){function JpxStream(e,t,r,i){this.stream=e;this.maybeLength=t;this.dict=r;this.params=i;a.DecodeStream.call(this,t)}JpxStream.prototype=Object.create(a.DecodeStream.prototype);Object.defineProperty(JpxStream.prototype,"bytes",{get:function JpxStream_bytes(){return(0,n.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});JpxStream.prototype.ensureBuffer=function(e){};JpxStream.prototype.readBlock=function(){if(this.eof)return;const e=new i.JpxImage;e.parse(this.bytes);const t=e.width,r=e.height,a=e.componentsCount,n=e.tiles.length;if(1===n)this.buffer=e.tiles[0].items;else{const i=new Uint8ClampedArray(t*r*a);for(let r=0;r<n;r++){const n=e.tiles[r],s=n.width,o=n.height,c=n.left,l=n.top,h=n.items;let u=0,d=(t*l+c)*a;const f=t*a,g=s*a;for(let e=0;e<o;e++){const e=h.subarray(u,u+g);i.set(e,d);u+=g;d+=f}}this.buffer=i}this.bufferLength=this.buffer.length;this.eof=!0};return JpxStream}();t.JpxStream=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpxImage=void 0;var a=r(2),i=r(8),n=r(17);class JpxError extends a.BaseException{constructor(e){super("JPX error: "+e)}}var s=function JpxImageClosure(){var e={LL:0,LH:1,HL:1,HH:2};function JpxImage(){this.failOnCorruptedImage=!1}JpxImage.prototype={parse:function JpxImage_parse(e){if(65359!==(0,i.readUint16)(e,0))for(var t=0,r=e.length;t<r;){var n=8,s=(0,i.readUint32)(e,t),o=(0,i.readUint32)(e,t+4);t+=n;if(1===s){s=4294967296*(0,i.readUint32)(e,t)+(0,i.readUint32)(e,t+4);t+=8;n+=8}0===s&&(s=r-t+n);if(s<n)throw new JpxError("Invalid box field size");var c=s-n,l=!0;switch(o){case 1785737832:l=!1;break;case 1668246642:var h=e[t];if(1===h){var u=(0,i.readUint32)(e,t+3);switch(u){case 16:case 17:case 18:break;default:(0,a.warn)("Unknown colorspace "+u)}}else 2===h&&(0,a.info)("ICC profile not supported");break;case 1785737827:this.parseCodestream(e,t,t+c);break;case 1783636e3:218793738!==(0,i.readUint32)(e,t)&&(0,a.warn)("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var d=String.fromCharCode(o>>24&255,o>>16&255,o>>8&255,255&o);(0,a.warn)("Unsupported header type "+o+" ("+d+")")}l&&(t+=c)}else this.parseCodestream(e,0,e.length)},parseImageProperties:function JpxImage_parseImageProperties(e){for(var t=e.getByte();t>=0;){if(65361===(t<<8|(t=e.getByte()))){e.skip(4);var r=e.getInt32()>>>0,a=e.getInt32()>>>0,i=e.getInt32()>>>0,n=e.getInt32()>>>0;e.skip(16);var s=e.getUint16();this.width=r-i;this.height=a-n;this.componentsCount=s;this.bitsPerComponent=8;return}}throw new JpxError("No size marker found in JPX stream")},parseCodestream:function JpxImage_parseCodestream(e,t,r){var n={},s=!1;try{for(var o=t;o+1<r;){var c=(0,i.readUint16)(e,o);o+=2;var l,h,u,d,f,g,m=0;switch(c){case 65359:n.mainHeader=!0;break;case 65497:break;case 65361:m=(0,i.readUint16)(e,o);var p={};p.Xsiz=(0,i.readUint32)(e,o+4);p.Ysiz=(0,i.readUint32)(e,o+8);p.XOsiz=(0,i.readUint32)(e,o+12);p.YOsiz=(0,i.readUint32)(e,o+16);p.XTsiz=(0,i.readUint32)(e,o+20);p.YTsiz=(0,i.readUint32)(e,o+24);p.XTOsiz=(0,i.readUint32)(e,o+28);p.YTOsiz=(0,i.readUint32)(e,o+32);var b=(0,i.readUint16)(e,o+36);p.Csiz=b;var y=[];l=o+38;for(var v=0;v<b;v++){var w={precision:1+(127&e[l]),isSigned:!!(128&e[l]),XRsiz:e[l+1],YRsiz:e[l+2]};l+=3;calculateComponentDimensions(w,p);y.push(w)}n.SIZ=p;n.components=y;calculateTileGrids(n,y);n.QCC=[];n.COC=[];break;case 65372:m=(0,i.readUint16)(e,o);var k={};l=o+2;switch(31&(h=e[l++])){case 0:d=8;f=!0;break;case 1:d=16;f=!1;break;case 2:d=16;f=!0;break;default:throw new Error("Invalid SQcd value "+h)}k.noQuantization=8===d;k.scalarExpounded=f;k.guardBits=h>>5;u=[];for(;l<m+o;){var S={};if(8===d){S.epsilon=e[l++]>>3;S.mu=0}else{S.epsilon=e[l]>>3;S.mu=(7&e[l])<<8|e[l+1];l+=2}u.push(S)}k.SPqcds=u;if(n.mainHeader)n.QCD=k;else{n.currentTile.QCD=k;n.currentTile.QCC=[]}break;case 65373:m=(0,i.readUint16)(e,o);var C,x={};l=o+2;if(n.SIZ.Csiz<257)C=e[l++];else{C=(0,i.readUint16)(e,l);l+=2}switch(31&(h=e[l++])){case 0:d=8;f=!0;break;case 1:d=16;f=!1;break;case 2:d=16;f=!0;break;default:throw new Error("Invalid SQcd value "+h)}x.noQuantization=8===d;x.scalarExpounded=f;x.guardBits=h>>5;u=[];for(;l<m+o;){S={};if(8===d){S.epsilon=e[l++]>>3;S.mu=0}else{S.epsilon=e[l]>>3;S.mu=(7&e[l])<<8|e[l+1];l+=2}u.push(S)}x.SPqcds=u;n.mainHeader?n.QCC[C]=x:n.currentTile.QCC[C]=x;break;case 65362:m=(0,i.readUint16)(e,o);var A={};l=o+2;var T=e[l++];A.entropyCoderWithCustomPrecincts=!!(1&T);A.sopMarkerUsed=!!(2&T);A.ephMarkerUsed=!!(4&T);A.progressionOrder=e[l++];A.layersCount=(0,i.readUint16)(e,l);l+=2;A.multipleComponentTransform=e[l++];A.decompositionLevelsCount=e[l++];A.xcb=2+(15&e[l++]);A.ycb=2+(15&e[l++]);var I=e[l++];A.selectiveArithmeticCodingBypass=!!(1&I);A.resetContextProbabilities=!!(2&I);A.terminationOnEachCodingPass=!!(4&I);A.verticallyStripe=!!(8&I);A.predictableTermination=!!(16&I);A.segmentationSymbolUsed=!!(32&I);A.reversibleTransformation=e[l++];if(A.entropyCoderWithCustomPrecincts){for(var F=[];l<m+o;){var P=e[l++];F.push({PPx:15&P,PPy:P>>4})}A.precinctsSizes=F}var E=[];A.selectiveArithmeticCodingBypass&&E.push("selectiveArithmeticCodingBypass");A.resetContextProbabilities&&E.push("resetContextProbabilities");A.terminationOnEachCodingPass&&E.push("terminationOnEachCodingPass");A.verticallyStripe&&E.push("verticallyStripe");A.predictableTermination&&E.push("predictableTermination");if(E.length>0){s=!0;throw new Error("Unsupported COD options ("+E.join(", ")+")")}if(n.mainHeader)n.COD=A;else{n.currentTile.COD=A;n.currentTile.COC=[]}break;case 65424:m=(0,i.readUint16)(e,o);(g={}).index=(0,i.readUint16)(e,o+2);g.length=(0,i.readUint32)(e,o+4);g.dataEnd=g.length+o-2;g.partIndex=e[o+8];g.partsCount=e[o+9];n.mainHeader=!1;if(0===g.partIndex){g.COD=n.COD;g.COC=n.COC.slice(0);g.QCD=n.QCD;g.QCC=n.QCC.slice(0)}n.currentTile=g;break;case 65427:if(0===(g=n.currentTile).partIndex){initializeTile(n,g.index);buildPackets(n)}parseTilePackets(n,e,o,m=g.dataEnd-o);break;case 65365:case 65367:case 65368:case 65380:m=(0,i.readUint16)(e,o);break;case 65363:throw new Error("Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("Unknown codestream code: "+c.toString(16))}o+=m}}catch(e){if(s||this.failOnCorruptedImage)throw new JpxError(e.message);(0,a.warn)("JPX: Trying to recover from: "+e.message)}this.tiles=function transformComponents(e){for(var t=e.SIZ,r=e.components,a=t.Csiz,i=[],n=0,s=e.tiles.length;n<s;n++){var o,c=e.tiles[n],l=[];for(o=0;o<a;o++)l[o]=transformTile(e,c,o);var h,u,d,f,g,m,p,b=l[0],y=new Uint8ClampedArray(b.items.length*a),v={left:b.left,top:b.top,width:b.width,height:b.height,items:y},w=0;if(c.codingStyleDefaultParameters.multipleComponentTransform){var k=4===a,S=l[0].items,C=l[1].items,x=l[2].items,A=k?l[3].items:null;h=r[0].precision-8;u=.5+(128<<h);var T=c.components[0],I=a-3;f=S.length;if(T.codingStyleParameters.reversibleTransformation)for(d=0;d<f;d++,w+=I){g=S[d]+u;m=C[d];p=x[d];const e=g-(p+m>>2);y[w++]=e+p>>h;y[w++]=e>>h;y[w++]=e+m>>h}else for(d=0;d<f;d++,w+=I){g=S[d]+u;m=C[d];p=x[d];y[w++]=g+1.402*p>>h;y[w++]=g-.34413*m-.71414*p>>h;y[w++]=g+1.772*m>>h}if(k)for(d=0,w=3;d<f;d++,w+=4)y[w]=A[d]+u>>h}else for(o=0;o<a;o++){var F=l[o].items;h=r[o].precision-8;u=.5+(128<<h);for(w=o,d=0,f=F.length;d<f;d++){y[w]=F[d]+u>>h;w+=a}}i.push(v)}return i}(n);this.width=n.SIZ.Xsiz-n.SIZ.XOsiz;this.height=n.SIZ.Ysiz-n.SIZ.YOsiz;this.componentsCount=n.SIZ.Csiz}};function calculateComponentDimensions(e,t){e.x0=Math.ceil(t.XOsiz/e.XRsiz);e.x1=Math.ceil(t.Xsiz/e.XRsiz);e.y0=Math.ceil(t.YOsiz/e.YRsiz);e.y1=Math.ceil(t.Ysiz/e.YRsiz);e.width=e.x1-e.x0;e.height=e.y1-e.y0}function calculateTileGrids(e,t){for(var r,a=e.SIZ,i=[],n=Math.ceil((a.Xsiz-a.XTOsiz)/a.XTsiz),s=Math.ceil((a.Ysiz-a.YTOsiz)/a.YTsiz),o=0;o<s;o++)for(var c=0;c<n;c++){(r={}).tx0=Math.max(a.XTOsiz+c*a.XTsiz,a.XOsiz);r.ty0=Math.max(a.YTOsiz+o*a.YTsiz,a.YOsiz);r.tx1=Math.min(a.XTOsiz+(c+1)*a.XTsiz,a.Xsiz);r.ty1=Math.min(a.YTOsiz+(o+1)*a.YTsiz,a.Ysiz);r.width=r.tx1-r.tx0;r.height=r.ty1-r.ty0;r.components=[];i.push(r)}e.tiles=i;for(var l=0,h=a.Csiz;l<h;l++)for(var u=t[l],d=0,f=i.length;d<f;d++){var g={};r=i[d];g.tcx0=Math.ceil(r.tx0/u.XRsiz);g.tcy0=Math.ceil(r.ty0/u.YRsiz);g.tcx1=Math.ceil(r.tx1/u.XRsiz);g.tcy1=Math.ceil(r.ty1/u.YRsiz);g.width=g.tcx1-g.tcx0;g.height=g.tcy1-g.tcy0;r.components[l]=g}}function getBlocksDimensions(e,t,r){var a=t.codingStyleParameters,i={};if(a.entropyCoderWithCustomPrecincts){i.PPx=a.precinctsSizes[r].PPx;i.PPy=a.precinctsSizes[r].PPy}else{i.PPx=15;i.PPy=15}i.xcb_=r>0?Math.min(a.xcb,i.PPx-1):Math.min(a.xcb,i.PPx);i.ycb_=r>0?Math.min(a.ycb,i.PPy-1):Math.min(a.ycb,i.PPy);return i}function buildPrecincts(e,t,r){var a=1<<r.PPx,i=1<<r.PPy,n=0===t.resLevel,s=1<<r.PPx+(n?0:-1),o=1<<r.PPy+(n?0:-1),c=t.trx1>t.trx0?Math.ceil(t.trx1/a)-Math.floor(t.trx0/a):0,l=t.try1>t.try0?Math.ceil(t.try1/i)-Math.floor(t.try0/i):0,h=c*l;t.precinctParameters={precinctWidth:a,precinctHeight:i,numprecinctswide:c,numprecinctshigh:l,numprecincts:h,precinctWidthInSubband:s,precinctHeightInSubband:o}}function buildCodeblocks(e,t,r){var a,i,n,s,o=r.xcb_,c=r.ycb_,l=1<<o,h=1<<c,u=t.tbx0>>o,d=t.tby0>>c,f=t.tbx1+l-1>>o,g=t.tby1+h-1>>c,m=t.resolution.precinctParameters,p=[],b=[];for(i=d;i<g;i++)for(a=u;a<f;a++){(n={cbx:a,cby:i,tbx0:l*a,tby0:h*i,tbx1:l*(a+1),tby1:h*(i+1)}).tbx0_=Math.max(t.tbx0,n.tbx0);n.tby0_=Math.max(t.tby0,n.tby0);n.tbx1_=Math.min(t.tbx1,n.tbx1);n.tby1_=Math.min(t.tby1,n.tby1);s=Math.floor((n.tbx0_-t.tbx0)/m.precinctWidthInSubband)+Math.floor((n.tby0_-t.tby0)/m.precinctHeightInSubband)*m.numprecinctswide;n.precinctNumber=s;n.subbandType=t.type;n.Lblock=3;if(!(n.tbx1_<=n.tbx0_||n.tby1_<=n.tby0_)){p.push(n);var y=b[s];if(void 0!==y){a<y.cbxMin?y.cbxMin=a:a>y.cbxMax&&(y.cbxMax=a);i<y.cbyMin?y.cbxMin=i:i>y.cbyMax&&(y.cbyMax=i)}else b[s]=y={cbxMin:a,cbyMin:i,cbxMax:a,cbyMax:i};n.precinct=y}}t.codeblockParameters={codeblockWidth:o,codeblockHeight:c,numcodeblockwide:f-u+1,numcodeblockhigh:g-d+1};t.codeblocks=p;t.precincts=b}function createPacket(e,t,r){for(var a=[],i=e.subbands,n=0,s=i.length;n<s;n++)for(var o=i[n].codeblocks,c=0,l=o.length;c<l;c++){var h=o[c];h.precinctNumber===t&&a.push(h)}return{layerNumber:r,codeblocks:a}}function LayerResolutionComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,a=e.tiles[r],i=a.codingStyleDefaultParameters.layersCount,n=t.Csiz,s=0,o=0;o<n;o++)s=Math.max(s,a.components[o].codingStyleParameters.decompositionLevelsCount);var c=0,l=0,h=0,u=0;this.nextPacket=function JpxImage_nextPacket(){for(;c<i;c++){for(;l<=s;l++){for(;h<n;h++){var e=a.components[h];if(!(l>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[l],r=t.precinctParameters.numprecincts;u<r;){var o=createPacket(t,u,c);u++;return o}u=0}}h=0}l=0}throw new JpxError("Out of packets")}}function ResolutionLayerComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,a=e.tiles[r],i=a.codingStyleDefaultParameters.layersCount,n=t.Csiz,s=0,o=0;o<n;o++)s=Math.max(s,a.components[o].codingStyleParameters.decompositionLevelsCount);var c=0,l=0,h=0,u=0;this.nextPacket=function JpxImage_nextPacket(){for(;c<=s;c++){for(;l<i;l++){for(;h<n;h++){var e=a.components[h];if(!(c>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[c],r=t.precinctParameters.numprecincts;u<r;){var o=createPacket(t,u,l);u++;return o}u=0}}h=0}l=0}throw new JpxError("Out of packets")}}function ResolutionPositionComponentLayerIterator(e){var t,r,a,i,n=e.SIZ,s=e.currentTile.index,o=e.tiles[s],c=o.codingStyleDefaultParameters.layersCount,l=n.Csiz,h=0;for(a=0;a<l;a++){const e=o.components[a];h=Math.max(h,e.codingStyleParameters.decompositionLevelsCount)}var u=new Int32Array(h+1);for(r=0;r<=h;++r){var d=0;for(a=0;a<l;++a){var f=o.components[a].resolutions;r<f.length&&(d=Math.max(d,f[r].precinctParameters.numprecincts))}u[r]=d}t=0;r=0;a=0;i=0;this.nextPacket=function JpxImage_nextPacket(){for(;r<=h;r++){for(;i<u[r];i++){for(;a<l;a++){const l=o.components[a];if(!(r>l.codingStyleParameters.decompositionLevelsCount)){var e=l.resolutions[r],n=e.precinctParameters.numprecincts;if(!(i>=n)){for(;t<c;){var s=createPacket(e,i,t);t++;return s}t=0}}}a=0}i=0}throw new JpxError("Out of packets")}}function PositionComponentResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,a=e.tiles[r],i=a.codingStyleDefaultParameters.layersCount,n=t.Csiz,s=getPrecinctSizesInImageScale(a),o=s,c=0,l=0,h=0,u=0,d=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<o.maxNumHigh;d++){for(;u<o.maxNumWide;u++){for(;h<n;h++){for(var e=a.components[h],t=e.codingStyleParameters.decompositionLevelsCount;l<=t;l++){var r=e.resolutions[l],f=s.components[h].resolutions[l],g=getPrecinctIndexIfExist(u,d,f,o,r);if(null!==g){for(;c<i;){var m=createPacket(r,g,c);c++;return m}c=0}}l=0}h=0}u=0}throw new JpxError("Out of packets")}}function ComponentPositionResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,a=e.tiles[r],i=a.codingStyleDefaultParameters.layersCount,n=t.Csiz,s=getPrecinctSizesInImageScale(a),o=0,c=0,l=0,h=0,u=0;this.nextPacket=function JpxImage_nextPacket(){for(;l<n;++l){for(var e=a.components[l],t=s.components[l],r=e.codingStyleParameters.decompositionLevelsCount;u<t.maxNumHigh;u++){for(;h<t.maxNumWide;h++){for(;c<=r;c++){var d=e.resolutions[c],f=t.resolutions[c],g=getPrecinctIndexIfExist(h,u,f,t,d);if(null!==g){for(;o<i;){var m=createPacket(d,g,o);o++;return m}o=0}}c=0}h=0}u=0}throw new JpxError("Out of packets")}}function getPrecinctIndexIfExist(e,t,r,a,i){var n=e*a.minWidth,s=t*a.minHeight;if(n%r.width!=0||s%r.height!=0)return null;var o=s/r.width*i.precinctParameters.numprecinctswide;return n/r.height+o}function getPrecinctSizesInImageScale(e){for(var t=e.components.length,r=Number.MAX_VALUE,a=Number.MAX_VALUE,i=0,n=0,s=new Array(t),o=0;o<t;o++){for(var c=e.components[o],l=c.codingStyleParameters.decompositionLevelsCount,h=new Array(l+1),u=Number.MAX_VALUE,d=Number.MAX_VALUE,f=0,g=0,m=1,p=l;p>=0;--p){var b=c.resolutions[p],y=m*b.precinctParameters.precinctWidth,v=m*b.precinctParameters.precinctHeight;u=Math.min(u,y);d=Math.min(d,v);f=Math.max(f,b.precinctParameters.numprecinctswide);g=Math.max(g,b.precinctParameters.numprecinctshigh);h[p]={width:y,height:v};m<<=1}r=Math.min(r,u);a=Math.min(a,d);i=Math.max(i,f);n=Math.max(n,g);s[o]={resolutions:h,minWidth:u,minHeight:d,maxNumWide:f,maxNumHigh:g}}return{components:s,minWidth:r,minHeight:a,maxNumWide:i,maxNumHigh:n}}function buildPackets(e){for(var t=e.SIZ,r=e.currentTile.index,a=e.tiles[r],i=t.Csiz,n=0;n<i;n++){for(var s=a.components[n],o=s.codingStyleParameters.decompositionLevelsCount,c=[],l=[],h=0;h<=o;h++){var u,d=getBlocksDimensions(0,s,h),f={},g=1<<o-h;f.trx0=Math.ceil(s.tcx0/g);f.try0=Math.ceil(s.tcy0/g);f.trx1=Math.ceil(s.tcx1/g);f.try1=Math.ceil(s.tcy1/g);f.resLevel=h;buildPrecincts(0,f,d);c.push(f);if(0===h){(u={}).type="LL";u.tbx0=Math.ceil(s.tcx0/g);u.tby0=Math.ceil(s.tcy0/g);u.tbx1=Math.ceil(s.tcx1/g);u.tby1=Math.ceil(s.tcy1/g);u.resolution=f;buildCodeblocks(0,u,d);l.push(u);f.subbands=[u]}else{var m=1<<o-h+1,p=[];(u={}).type="HL";u.tbx0=Math.ceil(s.tcx0/m-.5);u.tby0=Math.ceil(s.tcy0/m);u.tbx1=Math.ceil(s.tcx1/m-.5);u.tby1=Math.ceil(s.tcy1/m);u.resolution=f;buildCodeblocks(0,u,d);l.push(u);p.push(u);(u={}).type="LH";u.tbx0=Math.ceil(s.tcx0/m);u.tby0=Math.ceil(s.tcy0/m-.5);u.tbx1=Math.ceil(s.tcx1/m);u.tby1=Math.ceil(s.tcy1/m-.5);u.resolution=f;buildCodeblocks(0,u,d);l.push(u);p.push(u);(u={}).type="HH";u.tbx0=Math.ceil(s.tcx0/m-.5);u.tby0=Math.ceil(s.tcy0/m-.5);u.tbx1=Math.ceil(s.tcx1/m-.5);u.tby1=Math.ceil(s.tcy1/m-.5);u.resolution=f;buildCodeblocks(0,u,d);l.push(u);p.push(u);f.subbands=p}}s.resolutions=c;s.subbands=l}var b=a.codingStyleDefaultParameters.progressionOrder;switch(b){case 0:a.packetsIterator=new LayerResolutionComponentPositionIterator(e);break;case 1:a.packetsIterator=new ResolutionLayerComponentPositionIterator(e);break;case 2:a.packetsIterator=new ResolutionPositionComponentLayerIterator(e);break;case 3:a.packetsIterator=new PositionComponentResolutionLayerIterator(e);break;case 4:a.packetsIterator=new ComponentPositionResolutionLayerIterator(e);break;default:throw new JpxError("Unsupported progression order "+b)}}function parseTilePackets(e,a,n,s){var o,c=0,l=0,h=!1;function readBits(e){for(;l<e;){var t=a[n+c];c++;if(h){o=o<<7|t;l+=7;h=!1}else{o=o<<8|t;l+=8}255===t&&(h=!0)}return o>>>(l-=e)&(1<<e)-1}function skipMarkerIfEqual(e){if(255===a[n+c-1]&&a[n+c]===e){skipBytes(1);return!0}if(255===a[n+c]&&a[n+c+1]===e){skipBytes(2);return!0}return!1}function skipBytes(e){c+=e}function alignToByte(){l=0;if(h){c++;h=!1}}function readCodingpasses(){if(0===readBits(1))return 1;if(0===readBits(1))return 2;var e=readBits(2);return e<3?e+3:(e=readBits(5))<31?e+6:(e=readBits(7))+37}for(var u=e.currentTile.index,d=e.tiles[u],f=e.COD.sopMarkerUsed,g=e.COD.ephMarkerUsed,m=d.packetsIterator;c<s;){alignToByte();f&&skipMarkerIfEqual(145)&&skipBytes(4);var p=m.nextPacket();if(readBits(1)){for(var b,y=p.layerNumber,v=[],w=0,k=p.codeblocks.length;w<k;w++){var S=(b=p.codeblocks[w]).precinct,C=b.cbx-S.cbxMin,x=b.cby-S.cbyMin,A=!1,T=!1;if(void 0!==b.included)A=!!readBits(1);else{var I,F;if(void 0!==(S=b.precinct).inclusionTree)I=S.inclusionTree;else{var P=S.cbxMax-S.cbxMin+1,E=S.cbyMax-S.cbyMin+1;I=new r(P,E,y);F=new t(P,E);S.inclusionTree=I;S.zeroBitPlanesTree=F}if(I.reset(C,x,y))for(;;){if(!readBits(1)){I.incrementValue(y);break}if(!I.nextLevel()){b.included=!0;A=T=!0;break}}}if(A){if(T){(F=S.zeroBitPlanesTree).reset(C,x);for(;;)if(readBits(1)){if(!F.nextLevel())break}else F.incrementValue();b.zeroBitPlanes=F.value}for(var B=readCodingpasses();readBits(1);)b.Lblock++;var O=(0,i.log2)(B),M=readBits((B<1<<O?O-1:O)+b.Lblock);v.push({codeblock:b,codingpasses:B,dataLength:M})}}alignToByte();g&&skipMarkerIfEqual(146);for(;v.length>0;){var D=v.shift();void 0===(b=D.codeblock).data&&(b.data=[]);b.data.push({data:a,start:n+c,end:n+c+D.dataLength,codingpasses:D.codingpasses});c+=D.dataLength}}}return c}function copyCoefficients(e,t,r,a,i,o,c,l){for(var h=a.tbx0,u=a.tby0,d=a.tbx1-a.tbx0,f=a.codeblocks,g="H"===a.type.charAt(0)?1:0,m="H"===a.type.charAt(1)?t:0,p=0,b=f.length;p<b;++p){var y=f[p],v=y.tbx1_-y.tbx0_,w=y.tby1_-y.tby0_;if(0!==v&&0!==w&&void 0!==y.data){var k,S;k=new s(v,w,y.subbandType,y.zeroBitPlanes,o);S=2;var C,x,A,T=y.data,I=0,F=0;for(C=0,x=T.length;C<x;C++){I+=(A=T[C]).end-A.start;F+=A.codingpasses}var P=new Uint8Array(I),E=0;for(C=0,x=T.length;C<x;C++){var B=(A=T[C]).data.subarray(A.start,A.end);P.set(B,E);E+=B.length}var O=new n.ArithmeticDecoder(P,0,I);k.setDecoder(O);for(C=0;C<F;C++){switch(S){case 0:k.runSignificancePropagationPass();break;case 1:k.runMagnitudeRefinementPass();break;case 2:k.runCleanupPass();l&&k.checkSegmentationSymbol()}S=(S+1)%3}var M,D,R,N=y.tbx0_-h+(y.tby0_-u)*d,L=k.coefficentsSign,_=k.coefficentsMagnitude,U=k.bitsDecoded,q=c?0:.5;E=0;var j="LL"!==a.type;for(C=0;C<w;C++){var H=2*(N/d|0)*(t-d)+g+m;for(M=0;M<v;M++){if(0!==(D=_[E])){D=(D+q)*i;0!==L[E]&&(D=-D);R=U[E];var z=j?H+(N<<1):N;e[z]=c&&R>=o?D:D*(1<<o-R)}N++;E++}N+=d-v}}}}function transformTile(t,r,a){for(var i=r.components[a],n=i.codingStyleParameters,s=i.quantizationParameters,o=n.decompositionLevelsCount,h=s.SPqcds,u=s.scalarExpounded,d=s.guardBits,f=n.segmentationSymbolUsed,g=t.components[a].precision,m=n.reversibleTransformation,p=m?new l:new c,b=[],y=0,v=0;v<=o;v++){for(var w=i.resolutions[v],k=w.trx1-w.trx0,S=w.try1-w.try0,C=new Float32Array(k*S),x=0,A=w.subbands.length;x<A;x++){var T,I;if(u){T=h[y].mu;I=h[y].epsilon;y++}else{T=h[0].mu;I=h[0].epsilon+(v>0?1-v:0)}var F=w.subbands[x],P=e[F.type];copyCoefficients(C,k,0,F,m?1:2**(g+P-I)*(1+T/2048),d+I-1,m,f)}b.push({width:k,height:S,items:C})}var E=p.calculate(b,i.tcx0,i.tcy0);return{left:i.tcx0,top:i.tcy0,width:E.width,height:E.height,items:E.items}}function initializeTile(e,t){for(var r=e.SIZ.Csiz,a=e.tiles[t],i=0;i<r;i++){var n=a.components[i],s=void 0!==e.currentTile.QCC[i]?e.currentTile.QCC[i]:e.currentTile.QCD;n.quantizationParameters=s;var o=void 0!==e.currentTile.COC[i]?e.currentTile.COC[i]:e.currentTile.COD;n.codingStyleParameters=o}a.codingStyleDefaultParameters=e.currentTile.COD}var t=function TagTreeClosure(){function TagTree(e,t){var r=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var a=0;a<r;a++){var n={width:e,height:t,items:[]};this.levels.push(n);e=Math.ceil(e/2);t=Math.ceil(t/2)}}TagTree.prototype={reset:function TagTree_reset(e,t){for(var r,a=0,i=0;a<this.levels.length;){var n=e+t*(r=this.levels[a]).width;if(void 0!==r.items[n]){i=r.items[n];break}r.index=n;e>>=1;t>>=1;a++}a--;(r=this.levels[a]).items[r.index]=i;this.currentLevel=a;delete this.value},incrementValue:function TagTree_incrementValue(){var e=this.levels[this.currentLevel];e.items[e.index]++},nextLevel:function TagTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];if(--e<0){this.value=r;return!1}this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return TagTree}(),r=function InclusionTreeClosure(){function InclusionTree(e,t,r){var a=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var n=0;n<a;n++){for(var s=new Uint8Array(e*t),o=0,c=s.length;o<c;o++)s[o]=r;var l={width:e,height:t,items:s};this.levels.push(l);e=Math.ceil(e/2);t=Math.ceil(t/2)}}InclusionTree.prototype={reset:function InclusionTree_reset(e,t,r){for(var a=0;a<this.levels.length;){var i=this.levels[a],n=e+t*i.width;i.index=n;var s=i.items[n];if(255===s)break;if(s>r){this.currentLevel=a;this.propagateValues();return!1}e>>=1;t>>=1;a++}this.currentLevel=a-1;return!0},incrementValue:function InclusionTree_incrementValue(e){var t=this.levels[this.currentLevel];t.items[t.index]=e+1;this.propagateValues()},propagateValues:function InclusionTree_propagateValues(){for(var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];--e>=0;)(t=this.levels[e]).items[t.index]=r},nextLevel:function InclusionTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];t.items[t.index]=255;if(--e<0)return!1;this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return InclusionTree}(),s=function BitModelClosure(){var e=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),t=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),r=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);function BitModel(a,i,n,s,o){this.width=a;this.height=i;let c;c="HH"===n?r:"HL"===n?t:e;this.contextLabelTable=c;var l=a*i;this.neighborsSignificance=new Uint8Array(l);this.coefficentsSign=new Uint8Array(l);let h;h=o>14?new Uint32Array(l):o>6?new Uint16Array(l):new Uint8Array(l);this.coefficentsMagnitude=h;this.processingFlags=new Uint8Array(l);var u=new Uint8Array(l);if(0!==s)for(var d=0;d<l;d++)u[d]=s;this.bitsDecoded=u;this.reset()}BitModel.prototype={setDecoder:function BitModel_setDecoder(e){this.decoder=e},reset:function BitModel_reset(){this.contexts=new Int8Array(19);this.contexts[0]=8;this.contexts[17]=92;this.contexts[18]=6},setNeighborsSignificance:function BitModel_setNeighborsSignificance(e,t,r){var a,i=this.neighborsSignificance,n=this.width,s=this.height,o=t>0,c=t+1<n;if(e>0){a=r-n;o&&(i[a-1]+=16);c&&(i[a+1]+=16);i[a]+=4}if(e+1<s){a=r+n;o&&(i[a-1]+=16);c&&(i[a+1]+=16);i[a]+=4}o&&(i[r-1]+=1);c&&(i[r+1]+=1);i[r]|=128},runSignificancePropagationPass:function BitModel_runSignificancePropagationPass(){for(var e=this.decoder,t=this.width,r=this.height,a=this.coefficentsMagnitude,i=this.coefficentsSign,n=this.neighborsSignificance,s=this.processingFlags,o=this.contexts,c=this.contextLabelTable,l=this.bitsDecoded,h=0;h<r;h+=4)for(var u=0;u<t;u++)for(var d=h*t+u,f=0;f<4;f++,d+=t){var g=h+f;if(g>=r)break;s[d]&=-2;if(!a[d]&&n[d]){var m=c[n[d]];if(e.readBit(o,m)){var p=this.decodeSignBit(g,u,d);i[d]=p;a[d]=1;this.setNeighborsSignificance(g,u,d);s[d]|=2}l[d]++;s[d]|=1}}},decodeSignBit:function BitModel_decodeSignBit(e,t,r){var a,i,n,s,o,c,l=this.width,h=this.height,u=this.coefficentsMagnitude,d=this.coefficentsSign;s=t>0&&0!==u[r-1];if(t+1<l&&0!==u[r+1]){n=d[r+1];a=s?1-n-(i=d[r-1]):1-n-n}else a=s?1-(i=d[r-1])-i:0;var f=3*a;s=e>0&&0!==u[r-l];if(e+1<h&&0!==u[r+l]){n=d[r+l];a=s?1-n-(i=d[r-l])+f:1-n-n+f}else a=s?1-(i=d[r-l])-i+f:f;if(a>=0){o=9+a;c=this.decoder.readBit(this.contexts,o)}else{o=9-a;c=1^this.decoder.readBit(this.contexts,o)}return c},runMagnitudeRefinementPass:function BitModel_runMagnitudeRefinementPass(){for(var e,t=this.decoder,r=this.width,a=this.height,i=this.coefficentsMagnitude,n=this.neighborsSignificance,s=this.contexts,o=this.bitsDecoded,c=this.processingFlags,l=r*a,h=4*r,u=0;u<l;u=e){e=Math.min(l,u+h);for(var d=0;d<r;d++)for(var f=u+d;f<e;f+=r)if(i[f]&&0==(1&c[f])){var g=16;if(0!=(2&c[f])){c[f]^=2;g=0===(127&n[f])?15:14}var m=t.readBit(s,g);i[f]=i[f]<<1|m;o[f]++;c[f]|=1}}},runCleanupPass:function BitModel_runCleanupPass(){for(var e,t=this.decoder,r=this.width,a=this.height,i=this.neighborsSignificance,n=this.coefficentsMagnitude,s=this.coefficentsSign,o=this.contexts,c=this.contextLabelTable,l=this.bitsDecoded,h=this.processingFlags,u=r,d=2*r,f=3*r,g=0;g<a;g=e){e=Math.min(g+4,a);for(var m=g*r,p=g+3<a,b=0;b<r;b++){var y,v=m+b,w=0,k=v,S=g;if(p&&0===h[v]&&0===h[v+u]&&0===h[v+d]&&0===h[v+f]&&0===i[v]&&0===i[v+u]&&0===i[v+d]&&0===i[v+f]){if(!t.readBit(o,18)){l[v]++;l[v+u]++;l[v+d]++;l[v+f]++;continue}if(0!==(w=t.readBit(o,17)<<1|t.readBit(o,17))){S=g+w;k+=w*r}y=this.decodeSignBit(S,b,k);s[k]=y;n[k]=1;this.setNeighborsSignificance(S,b,k);h[k]|=2;k=v;for(var C=g;C<=S;C++,k+=r)l[k]++;w++}for(S=g+w;S<e;S++,k+=r)if(!n[k]&&0==(1&h[k])){var x=c[i[k]];if(1===t.readBit(o,x)){y=this.decodeSignBit(S,b,k);s[k]=y;n[k]=1;this.setNeighborsSignificance(S,b,k);h[k]|=2}l[k]++}}}},checkSegmentationSymbol:function BitModel_checkSegmentationSymbol(){var e=this.decoder,t=this.contexts;if(10!==(e.readBit(t,17)<<3|e.readBit(t,17)<<2|e.readBit(t,17)<<1|e.readBit(t,17)))throw new JpxError("Invalid segmentation symbol")}};return BitModel}(),o=function TransformClosure(){function Transform(){}Transform.prototype.calculate=function transformCalculate(e,t,r){for(var a=e[0],i=1,n=e.length;i<n;i++)a=this.iterate(a,e[i],t,r);return a};Transform.prototype.extend=function extend(e,t,r){var a=t-1,i=t+1,n=t+r-2,s=t+r;e[a--]=e[i++];e[s++]=e[n--];e[a--]=e[i++];e[s++]=e[n--];e[a--]=e[i++];e[s++]=e[n--];e[a]=e[i];e[s]=e[n]};Transform.prototype.iterate=function Transform_iterate(e,t,r,a){var i,n,s,o,c,l,h=e.width,u=e.height,d=e.items,f=t.width,g=t.height,m=t.items;for(s=0,i=0;i<u;i++){o=2*i*f;for(n=0;n<h;n++,s++,o+=2)m[o]=d[s]}d=e.items=null;var p=new Float32Array(f+8);if(1===f){if(0!=(1&r))for(l=0,s=0;l<g;l++,s+=f)m[s]*=.5}else for(l=0,s=0;l<g;l++,s+=f){p.set(m.subarray(s,s+f),4);this.extend(p,4,f);this.filter(p,4,f);m.set(p.subarray(4,4+f),s)}var b=16,y=[];for(i=0;i<b;i++)y.push(new Float32Array(g+8));var v,w=0;e=4+g;if(1===g){if(0!=(1&a))for(c=0;c<f;c++)m[c]*=.5}else for(c=0;c<f;c++){if(0===w){b=Math.min(f-c,b);for(s=c,o=4;o<e;s+=f,o++)for(v=0;v<b;v++)y[v][o]=m[s+v];w=b}var k=y[--w];this.extend(k,4,g);this.filter(k,4,g);if(0===w){s=c-b+1;for(o=4;o<e;s+=f,o++)for(v=0;v<b;v++)m[s+v]=y[v][o]}}return{width:f,height:g,items:m}};return Transform}(),c=function IrreversibleTransformClosure(){function IrreversibleTransform(){o.call(this)}IrreversibleTransform.prototype=Object.create(o.prototype);IrreversibleTransform.prototype.filter=function irreversibleTransformFilter(e,t,r){var a,i,n,s,o=r>>1,c=-1.586134342059924,l=-.052980118572961,h=.882911075530934,u=.443506852043971,d=1.230174104914001;a=(t|=0)-3;for(i=o+4;i--;a+=2)e[a]*=.8128930661159609;n=u*e[(a=t-2)-1];for(i=o+3;i--;a+=2){s=u*e[a+1];e[a]=d*e[a]-n-s;if(!i--)break;n=u*e[(a+=2)+1];e[a]=d*e[a]-n-s}n=h*e[(a=t-1)-1];for(i=o+2;i--;a+=2){s=h*e[a+1];e[a]-=n+s;if(!i--)break;n=h*e[(a+=2)+1];e[a]-=n+s}n=l*e[(a=t)-1];for(i=o+1;i--;a+=2){s=l*e[a+1];e[a]-=n+s;if(!i--)break;n=l*e[(a+=2)+1];e[a]-=n+s}if(0!==o){n=c*e[(a=t+1)-1];for(i=o;i--;a+=2){s=c*e[a+1];e[a]-=n+s;if(!i--)break;n=c*e[(a+=2)+1];e[a]-=n+s}}};return IrreversibleTransform}(),l=function ReversibleTransformClosure(){function ReversibleTransform(){o.call(this)}ReversibleTransform.prototype=Object.create(o.prototype);ReversibleTransform.prototype.filter=function reversibleTransformFilter(e,t,r){var a,i,n=r>>1;for(a=t|=0,i=n+1;i--;a+=2)e[a]-=e[a-1]+e[a+1]+2>>2;for(a=t+1,i=n;i--;a+=2)e[a]+=e[a-1]+e[a+1]>>1};return ReversibleTransform}();return JpxImage}();t.JpxImage=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.calculateSHA512=t.calculateSHA384=t.calculateSHA256=t.calculateMD5=t.PDF20=t.PDF17=t.CipherTransformFactory=t.ARCFourCipher=t.AES256Cipher=t.AES128Cipher=void 0;var a=r(2),i=r(5),n=r(12),s=function ARCFourCipherClosure(){function ARCFourCipher(e){this.a=0;this.b=0;var t,r,a=new Uint8Array(256),i=0,n=e.length;for(t=0;t<256;++t)a[t]=t;for(t=0;t<256;++t){i=i+(r=a[t])+e[t%n]&255;a[t]=a[i];a[i]=r}this.s=a}ARCFourCipher.prototype={encryptBlock:function ARCFourCipher_encryptBlock(e){var t,r,a,i=e.length,n=this.a,s=this.b,o=this.s,c=new Uint8Array(i);for(t=0;t<i;++t){a=o[s=s+(r=o[n=n+1&255])&255];o[n]=a;o[s]=r;c[t]=e[t]^o[r+a&255]}this.a=n;this.b=s;return c}};ARCFourCipher.prototype.decryptBlock=ARCFourCipher.prototype.encryptBlock;ARCFourCipher.prototype.encrypt=ARCFourCipher.prototype.encryptBlock;return ARCFourCipher}();t.ARCFourCipher=s;var o=function calculateMD5Closure(){var e=new Uint8Array([7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21]),t=new Int32Array([-680876936,-389564586,606105819,-1044525330,-176418897,1200080426,-1473231341,-45705983,1770035416,-1958414417,-42063,-1990404162,1804603682,-40341101,-1502002290,1236535329,-165796510,-1069501632,643717713,-373897302,-701558691,38016083,-660478335,-405537848,568446438,-1019803690,-187363961,1163531501,-1444681467,-51403784,1735328473,-1926607734,-378558,-2022574463,1839030562,-35309556,-1530992060,1272893353,-155497632,-1094730640,681279174,-358537222,-722521979,76029189,-640364487,-421815835,530742520,-995338651,-198630844,1126891415,-1416354905,-57434055,1700485571,-1894986606,-1051523,-2054922799,1873313359,-30611744,-1560198380,1309151649,-145523070,-1120210379,718787259,-343485551]);return function hash(r,a,i){var n,s,o,c=1732584193,l=-271733879,h=-1732584194,u=271733878,d=i+72&-64,f=new Uint8Array(d);for(n=0;n<i;++n)f[n]=r[a++];f[n++]=128;o=d-8;for(;n<o;)f[n++]=0;f[n++]=i<<3&255;f[n++]=i>>5&255;f[n++]=i>>13&255;f[n++]=i>>21&255;f[n++]=i>>>29&255;f[n++]=0;f[n++]=0;f[n++]=0;var g=new Int32Array(16);for(n=0;n<d;){for(s=0;s<16;++s,n+=4)g[s]=f[n]|f[n+1]<<8|f[n+2]<<16|f[n+3]<<24;var m,p,b=c,y=l,v=h,w=u;for(s=0;s<64;++s){if(s<16){m=y&v|~y&w;p=s}else if(s<32){m=w&y|~w&v;p=5*s+1&15}else if(s<48){m=y^v^w;p=3*s+5&15}else{m=v^(y|~w);p=7*s&15}var k=w,S=b+m+t[s]+g[p]|0,C=e[s];w=v;v=y;y=y+(S<<C|S>>>32-C)|0;b=k}c=c+b|0;l=l+y|0;h=h+v|0;u=u+w|0}return new Uint8Array([255&c,c>>8&255,c>>16&255,c>>>24&255,255&l,l>>8&255,l>>16&255,l>>>24&255,255&h,h>>8&255,h>>16&255,h>>>24&255,255&u,u>>8&255,u>>16&255,u>>>24&255])}}();t.calculateMD5=o;var c=function Word64Closure(){function Word64(e,t){this.high=0|e;this.low=0|t}Word64.prototype={and:function Word64_and(e){this.high&=e.high;this.low&=e.low},xor:function Word64_xor(e){this.high^=e.high;this.low^=e.low},or:function Word64_or(e){this.high|=e.high;this.low|=e.low},shiftRight:function Word64_shiftRight(e){if(e>=32){this.low=this.high>>>e-32|0;this.high=0}else{this.low=this.low>>>e|this.high<<32-e;this.high=this.high>>>e|0}},shiftLeft:function Word64_shiftLeft(e){if(e>=32){this.high=this.low<<e-32;this.low=0}else{this.high=this.high<<e|this.low>>>32-e;this.low=this.low<<e}},rotateRight:function Word64_rotateRight(e){var t,r;if(32&e){r=this.low;t=this.high}else{t=this.low;r=this.high}e&=31;this.low=t>>>e|r<<32-e;this.high=r>>>e|t<<32-e},not:function Word64_not(){this.high=~this.high;this.low=~this.low},add:function Word64_add(e){var t=(this.low>>>0)+(e.low>>>0),r=(this.high>>>0)+(e.high>>>0);t>4294967295&&(r+=1);this.low=0|t;this.high=0|r},copyTo:function Word64_copyTo(e,t){e[t]=this.high>>>24&255;e[t+1]=this.high>>16&255;e[t+2]=this.high>>8&255;e[t+3]=255&this.high;e[t+4]=this.low>>>24&255;e[t+5]=this.low>>16&255;e[t+6]=this.low>>8&255;e[t+7]=255&this.low},assign:function Word64_assign(e){this.high=e.high;this.low=e.low}};return Word64}(),l=function calculateSHA256Closure(){function rotr(e,t){return e>>>t|e<<32-t}function ch(e,t,r){return e&t^~e&r}function maj(e,t,r){return e&t^e&r^t&r}function sigma(e){return rotr(e,2)^rotr(e,13)^rotr(e,22)}function sigmaPrime(e){return rotr(e,6)^rotr(e,11)^rotr(e,25)}function littleSigma(e){return rotr(e,7)^rotr(e,18)^e>>>3}var e=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];return function hash(t,r,a){var i,n,s,o=1779033703,c=3144134277,l=1013904242,h=2773480762,u=1359893119,d=2600822924,f=528734635,g=1541459225,m=64*Math.ceil((a+9)/64),p=new Uint8Array(m);for(i=0;i<a;++i)p[i]=t[r++];p[i++]=128;s=m-8;for(;i<s;)p[i++]=0;p[i++]=0;p[i++]=0;p[i++]=0;p[i++]=a>>>29&255;p[i++]=a>>21&255;p[i++]=a>>13&255;p[i++]=a>>5&255;p[i++]=a<<3&255;var b,y=new Uint32Array(64);for(i=0;i<m;){for(n=0;n<16;++n){y[n]=p[i]<<24|p[i+1]<<16|p[i+2]<<8|p[i+3];i+=4}for(n=16;n<64;++n)y[n]=(rotr(b=y[n-2],17)^rotr(b,19)^b>>>10)+y[n-7]+littleSigma(y[n-15])+y[n-16]|0;var v,w,k=o,S=c,C=l,x=h,A=u,T=d,I=f,F=g;for(n=0;n<64;++n){v=F+sigmaPrime(A)+ch(A,T,I)+e[n]+y[n];w=sigma(k)+maj(k,S,C);F=I;I=T;T=A;A=x+v|0;x=C;C=S;S=k;k=v+w|0}o=o+k|0;c=c+S|0;l=l+C|0;h=h+x|0;u=u+A|0;d=d+T|0;f=f+I|0;g=g+F|0}return new Uint8Array([o>>24&255,o>>16&255,o>>8&255,255&o,c>>24&255,c>>16&255,c>>8&255,255&c,l>>24&255,l>>16&255,l>>8&255,255&l,h>>24&255,h>>16&255,h>>8&255,255&h,u>>24&255,u>>16&255,u>>8&255,255&u,d>>24&255,d>>16&255,d>>8&255,255&d,f>>24&255,f>>16&255,f>>8&255,255&f,g>>24&255,g>>16&255,g>>8&255,255&g])}}();t.calculateSHA256=l;var h=function calculateSHA512Closure(){function ch(e,t,r,a,i){e.assign(t);e.and(r);i.assign(t);i.not();i.and(a);e.xor(i)}function maj(e,t,r,a,i){e.assign(t);e.and(r);i.assign(t);i.and(a);e.xor(i);i.assign(r);i.and(a);e.xor(i)}function sigma(e,t,r){e.assign(t);e.rotateRight(28);r.assign(t);r.rotateRight(34);e.xor(r);r.assign(t);r.rotateRight(39);e.xor(r)}function sigmaPrime(e,t,r){e.assign(t);e.rotateRight(14);r.assign(t);r.rotateRight(18);e.xor(r);r.assign(t);r.rotateRight(41);e.xor(r)}function littleSigma(e,t,r){e.assign(t);e.rotateRight(1);r.assign(t);r.rotateRight(8);e.xor(r);r.assign(t);r.shiftRight(7);e.xor(r)}function littleSigmaPrime(e,t,r){e.assign(t);e.rotateRight(19);r.assign(t);r.rotateRight(61);e.xor(r);r.assign(t);r.shiftRight(6);e.xor(r)}var e=[new c(1116352408,3609767458),new c(1899447441,602891725),new c(3049323471,3964484399),new c(3921009573,2173295548),new c(961987163,4081628472),new c(1508970993,3053834265),new c(2453635748,2937671579),new c(2870763221,3664609560),new c(3624381080,2734883394),new c(310598401,1164996542),new c(607225278,1323610764),new c(1426881987,3590304994),new c(1925078388,4068182383),new c(2162078206,991336113),new c(2614888103,633803317),new c(3248222580,3479774868),new c(3835390401,2666613458),new c(4022224774,944711139),new c(264347078,2341262773),new c(604807628,2007800933),new c(770255983,1495990901),new c(1249150122,1856431235),new c(1555081692,3175218132),new c(1996064986,2198950837),new c(2554220882,3999719339),new c(2821834349,766784016),new c(2952996808,2566594879),new c(3210313671,3203337956),new c(3336571891,1034457026),new c(3584528711,2466948901),new c(113926993,3758326383),new c(338241895,168717936),new c(666307205,1188179964),new c(773529912,1546045734),new c(1294757372,1522805485),new c(1396182291,2643833823),new c(1695183700,2343527390),new c(1986661051,1014477480),new c(2177026350,1206759142),new c(2456956037,344077627),new c(2730485921,1290863460),new c(2820302411,3158454273),new c(3259730800,3505952657),new c(3345764771,106217008),new c(3516065817,3606008344),new c(3600352804,1432725776),new c(4094571909,1467031594),new c(275423344,851169720),new c(430227734,3100823752),new c(506948616,1363258195),new c(659060556,3750685593),new c(883997877,3785050280),new c(958139571,3318307427),new c(1322822218,3812723403),new c(1537002063,2003034995),new c(1747873779,3602036899),new c(1955562222,1575990012),new c(2024104815,1125592928),new c(2227730452,2716904306),new c(2361852424,442776044),new c(2428436474,593698344),new c(2756734187,3733110249),new c(3204031479,2999351573),new c(3329325298,3815920427),new c(3391569614,3928383900),new c(3515267271,566280711),new c(3940187606,3454069534),new c(4118630271,4000239992),new c(116418474,1914138554),new c(174292421,2731055270),new c(289380356,3203993006),new c(460393269,320620315),new c(685471733,587496836),new c(852142971,1086792851),new c(1017036298,365543100),new c(1126000580,2618297676),new c(1288033470,3409855158),new c(1501505948,4234509866),new c(1607167915,987167468),new c(1816402316,1246189591)];return function hash(t,r,a,i){var n,s,o,l,h,u,d,f;if(i=!!i){n=new c(3418070365,3238371032);s=new c(1654270250,914150663);o=new c(2438529370,812702999);l=new c(355462360,4144912697);h=new c(1731405415,4290775857);u=new c(2394180231,1750603025);d=new c(3675008525,1694076839);f=new c(1203062813,3204075428)}else{n=new c(1779033703,4089235720);s=new c(3144134277,2227873595);o=new c(1013904242,4271175723);l=new c(2773480762,1595750129);h=new c(1359893119,2917565137);u=new c(2600822924,725511199);d=new c(528734635,4215389547);f=new c(1541459225,327033209)}var g,m,p,b=128*Math.ceil((a+17)/128),y=new Uint8Array(b);for(g=0;g<a;++g)y[g]=t[r++];y[g++]=128;p=b-16;for(;g<p;)y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=0;y[g++]=a>>>29&255;y[g++]=a>>21&255;y[g++]=a>>13&255;y[g++]=a>>5&255;y[g++]=a<<3&255;var v=new Array(80);for(g=0;g<80;g++)v[g]=new c(0,0);var w,k,S=new c(0,0),C=new c(0,0),x=new c(0,0),A=new c(0,0),T=new c(0,0),I=new c(0,0),F=new c(0,0),P=new c(0,0),E=new c(0,0),B=new c(0,0),O=new c(0,0),M=new c(0,0);for(g=0;g<b;){for(m=0;m<16;++m){v[m].high=y[g]<<24|y[g+1]<<16|y[g+2]<<8|y[g+3];v[m].low=y[g+4]<<24|y[g+5]<<16|y[g+6]<<8|y[g+7];g+=8}for(m=16;m<80;++m){littleSigmaPrime(w=v[m],v[m-2],M);w.add(v[m-7]);littleSigma(O,v[m-15],M);w.add(O);w.add(v[m-16])}S.assign(n);C.assign(s);x.assign(o);A.assign(l);T.assign(h);I.assign(u);F.assign(d);P.assign(f);for(m=0;m<80;++m){E.assign(P);sigmaPrime(O,T,M);E.add(O);ch(O,T,I,F,M);E.add(O);E.add(e[m]);E.add(v[m]);sigma(B,S,M);maj(O,S,C,x,M);B.add(O);w=P;P=F;F=I;I=T;A.add(E);T=A;A=x;x=C;C=S;w.assign(E);w.add(B);S=w}n.add(S);s.add(C);o.add(x);l.add(A);h.add(T);u.add(I);d.add(F);f.add(P)}if(i){k=new Uint8Array(48);n.copyTo(k,0);s.copyTo(k,8);o.copyTo(k,16);l.copyTo(k,24);h.copyTo(k,32);u.copyTo(k,40)}else{k=new Uint8Array(64);n.copyTo(k,0);s.copyTo(k,8);o.copyTo(k,16);l.copyTo(k,24);h.copyTo(k,32);u.copyTo(k,40);d.copyTo(k,48);f.copyTo(k,56)}return k}}();t.calculateSHA512=h;var u=function calculateSHA384Closure(){return function hash(e,t,r){return h(e,t,r,!0)}}();t.calculateSHA384=u;var d=function NullCipherClosure(){function NullCipher(){}NullCipher.prototype={decryptBlock:function NullCipher_decryptBlock(e){return e},encrypt:function NullCipher_encrypt(e){return e}};return NullCipher}();class AESBaseCipher{constructor(){this.constructor===AESBaseCipher&&(0,a.unreachable)("Cannot initialize AESBaseCipher.");this._s=new Uint8Array([99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22]);this._inv_s=new Uint8Array([82,9,106,213,48,54,165,56,191,64,163,158,129,243,215,251,124,227,57,130,155,47,255,135,52,142,67,68,196,222,233,203,84,123,148,50,166,194,35,61,238,76,149,11,66,250,195,78,8,46,161,102,40,217,36,178,118,91,162,73,109,139,209,37,114,248,246,100,134,104,152,22,212,164,92,204,93,101,182,146,108,112,72,80,253,237,185,218,94,21,70,87,167,141,157,132,144,216,171,0,140,188,211,10,247,228,88,5,184,179,69,6,208,44,30,143,202,63,15,2,193,175,189,3,1,19,138,107,58,145,17,65,79,103,220,234,151,242,207,206,240,180,230,115,150,172,116,34,231,173,53,133,226,249,55,232,28,117,223,110,71,241,26,113,29,41,197,137,111,183,98,14,170,24,190,27,252,86,62,75,198,210,121,32,154,219,192,254,120,205,90,244,31,221,168,51,136,7,199,49,177,18,16,89,39,128,236,95,96,81,127,169,25,181,74,13,45,229,122,159,147,201,156,239,160,224,59,77,174,42,245,176,200,235,187,60,131,83,153,97,23,43,4,126,186,119,214,38,225,105,20,99,85,33,12,125]);this._mix=new Uint32Array([0,235474187,470948374,303765277,941896748,908933415,607530554,708780849,1883793496,2118214995,1817866830,1649639237,1215061108,1181045119,1417561698,1517767529,3767586992,4003061179,4236429990,4069246893,3635733660,3602770327,3299278474,3400528769,2430122216,2664543715,2362090238,2193862645,2835123396,2801107407,3035535058,3135740889,3678124923,3576870512,3341394285,3374361702,3810496343,3977675356,4279080257,4043610186,2876494627,2776292904,3076639029,3110650942,2472011535,2640243204,2403728665,2169303058,1001089995,899835584,666464733,699432150,59727847,226906860,530400753,294930682,1273168787,1172967064,1475418501,1509430414,1942435775,2110667444,1876241833,1641816226,2910219766,2743034109,2976151520,3211623147,2505202138,2606453969,2302690252,2269728455,3711829422,3543599269,3240894392,3475313331,3843699074,3943906441,4178062228,4144047775,1306967366,1139781709,1374988112,1610459739,1975683434,2076935265,1775276924,1742315127,1034867998,866637845,566021896,800440835,92987698,193195065,429456164,395441711,1984812685,2017778566,1784663195,1683407248,1315562145,1080094634,1383856311,1551037884,101039829,135050206,437757123,337553864,1042385657,807962610,573804783,742039012,2531067453,2564033334,2328828971,2227573024,2935566865,2700099354,3001755655,3168937228,3868552805,3902563182,4203181171,4102977912,3736164937,3501741890,3265478751,3433712980,1106041591,1340463100,1576976609,1408749034,2043211483,2009195472,1708848333,1809054150,832877231,1068351396,766945465,599762354,159417987,126454664,361929877,463180190,2709260871,2943682380,3178106961,3009879386,2572697195,2538681184,2236228733,2336434550,3509871135,3745345300,3441850377,3274667266,3910161971,3877198648,4110568485,4211818798,2597806476,2497604743,2261089178,2295101073,2733856160,2902087851,3202437046,2968011453,3936291284,3835036895,4136440770,4169408201,3535486456,3702665459,3467192302,3231722213,2051518780,1951317047,1716890410,1750902305,1113818384,1282050075,1584504582,1350078989,168810852,67556463,371049330,404016761,841739592,1008918595,775550814,540080725,3969562369,3801332234,4035489047,4269907996,3569255213,3669462566,3366754619,3332740144,2631065433,2463879762,2160117071,2395588676,2767645557,2868897406,3102011747,3069049960,202008497,33778362,270040487,504459436,875451293,975658646,675039627,641025152,2084704233,1917518562,1615861247,1851332852,1147550661,1248802510,1484005843,1451044056,933301370,967311729,733156972,632953703,260388950,25965917,328671808,496906059,1206477858,1239443753,1543208500,1441952575,2144161806,1908694277,1675577880,1842759443,3610369226,3644379585,3408119516,3307916247,4011190502,3776767469,4077384432,4245618683,2809771154,2842737049,3144396420,3043140495,2673705150,2438237621,2203032232,2370213795]);this._mixCol=new Uint8Array(256);for(let e=0;e<256;e++)this._mixCol[e]=e<128?e<<1:e<<1^27;this.buffer=new Uint8Array(16);this.bufferPosition=0}_expandKey(e){(0,a.unreachable)("Cannot call `_expandKey` on the base class")}_decrypt(e,t){let r,a,i;const n=new Uint8Array(16);n.set(e);for(let e=0,r=this._keySize;e<16;++e,++r)n[e]^=t[r];for(let e=this._cyclesOfRepetition-1;e>=1;--e){r=n[13];n[13]=n[9];n[9]=n[5];n[5]=n[1];n[1]=r;r=n[14];a=n[10];n[14]=n[6];n[10]=n[2];n[6]=r;n[2]=a;r=n[15];a=n[11];i=n[7];n[15]=n[3];n[11]=r;n[7]=a;n[3]=i;for(let e=0;e<16;++e)n[e]=this._inv_s[n[e]];for(let r=0,a=16*e;r<16;++r,++a)n[r]^=t[a];for(let e=0;e<16;e+=4){const t=this._mix[n[e]],a=this._mix[n[e+1]],i=this._mix[n[e+2]],s=this._mix[n[e+3]];r=t^a>>>8^a<<24^i>>>16^i<<16^s>>>24^s<<8;n[e]=r>>>24&255;n[e+1]=r>>16&255;n[e+2]=r>>8&255;n[e+3]=255&r}}r=n[13];n[13]=n[9];n[9]=n[5];n[5]=n[1];n[1]=r;r=n[14];a=n[10];n[14]=n[6];n[10]=n[2];n[6]=r;n[2]=a;r=n[15];a=n[11];i=n[7];n[15]=n[3];n[11]=r;n[7]=a;n[3]=i;for(let e=0;e<16;++e){n[e]=this._inv_s[n[e]];n[e]^=t[e]}return n}_encrypt(e,t){const r=this._s;let a,i,n;const s=new Uint8Array(16);s.set(e);for(let e=0;e<16;++e)s[e]^=t[e];for(let e=1;e<this._cyclesOfRepetition;e++){for(let e=0;e<16;++e)s[e]=r[s[e]];n=s[1];s[1]=s[5];s[5]=s[9];s[9]=s[13];s[13]=n;n=s[2];i=s[6];s[2]=s[10];s[6]=s[14];s[10]=n;s[14]=i;n=s[3];i=s[7];a=s[11];s[3]=s[15];s[7]=n;s[11]=i;s[15]=a;for(let e=0;e<16;e+=4){const t=s[e+0],r=s[e+1],i=s[e+2],n=s[e+3];a=t^r^i^n;s[e+0]^=a^this._mixCol[t^r];s[e+1]^=a^this._mixCol[r^i];s[e+2]^=a^this._mixCol[i^n];s[e+3]^=a^this._mixCol[n^t]}for(let r=0,a=16*e;r<16;++r,++a)s[r]^=t[a]}for(let e=0;e<16;++e)s[e]=r[s[e]];n=s[1];s[1]=s[5];s[5]=s[9];s[9]=s[13];s[13]=n;n=s[2];i=s[6];s[2]=s[10];s[6]=s[14];s[10]=n;s[14]=i;n=s[3];i=s[7];a=s[11];s[3]=s[15];s[7]=n;s[11]=i;s[15]=a;for(let e=0,r=this._keySize;e<16;++e,++r)s[e]^=t[r];return s}_decryptBlock2(e,t){const r=e.length;let a=this.buffer,i=this.bufferPosition;const n=[];let s=this.iv;for(let t=0;t<r;++t){a[i]=e[t];++i;if(i<16)continue;const r=this._decrypt(a,this._key);for(let e=0;e<16;++e)r[e]^=s[e];s=a;n.push(r);a=new Uint8Array(16);i=0}this.buffer=a;this.bufferLength=i;this.iv=s;if(0===n.length)return new Uint8Array(0);let o=16*n.length;if(t){const e=n[n.length-1];let t=e[15];if(t<=16){for(let r=15,a=16-t;r>=a;--r)if(e[r]!==t){t=0;break}o-=t;n[n.length-1]=e.subarray(0,16-t)}}const c=new Uint8Array(o);for(let e=0,t=0,r=n.length;e<r;++e,t+=16)c.set(n[e],t);return c}decryptBlock(e,t,r=null){const a=e.length,i=this.buffer;let n=this.bufferPosition;if(r)this.iv=r;else{for(let t=0;n<16&&t<a;++t,++n)i[n]=e[t];if(n<16){this.bufferLength=n;return new Uint8Array(0)}this.iv=i;e=e.subarray(16)}this.buffer=new Uint8Array(16);this.bufferLength=0;this.decryptBlock=this._decryptBlock2;return this.decryptBlock(e,t)}encrypt(e,t){const r=e.length;let a=this.buffer,i=this.bufferPosition;const n=[];t||(t=new Uint8Array(16));for(let s=0;s<r;++s){a[i]=e[s];++i;if(i<16)continue;for(let e=0;e<16;++e)a[e]^=t[e];const r=this._encrypt(a,this._key);t=r;n.push(r);a=new Uint8Array(16);i=0}this.buffer=a;this.bufferLength=i;this.iv=t;if(0===n.length)return new Uint8Array(0);const s=16*n.length,o=new Uint8Array(s);for(let e=0,t=0,r=n.length;e<r;++e,t+=16)o.set(n[e],t);return o}}class AES128Cipher extends AESBaseCipher{constructor(e){super();this._cyclesOfRepetition=10;this._keySize=160;this._rcon=new Uint8Array([141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141]);this._key=this._expandKey(e)}_expandKey(e){const t=this._s,r=this._rcon,a=new Uint8Array(176);a.set(e);for(let e=16,i=1;e<176;++i){let n=a[e-3],s=a[e-2],o=a[e-1],c=a[e-4];n=t[n];s=t[s];o=t[o];c=t[c];n^=r[i];for(let t=0;t<4;++t){a[e]=n^=a[e-16];e++;a[e]=s^=a[e-16];e++;a[e]=o^=a[e-16];e++;a[e]=c^=a[e-16];e++}}return a}}t.AES128Cipher=AES128Cipher;class AES256Cipher extends AESBaseCipher{constructor(e){super();this._cyclesOfRepetition=14;this._keySize=224;this._key=this._expandKey(e)}_expandKey(e){const t=this._s,r=new Uint8Array(240);r.set(e);let a,i,n,s,o=1;for(let e=32,c=1;e<240;++c){if(e%32==16){a=t[a];i=t[i];n=t[n];s=t[s]}else if(e%32==0){a=r[e-3];i=r[e-2];n=r[e-1];s=r[e-4];a=t[a];i=t[i];n=t[n];s=t[s];a^=o;(o<<=1)>=256&&(o=255&(27^o))}for(let t=0;t<4;++t){r[e]=a^=r[e-32];e++;r[e]=i^=r[e-32];e++;r[e]=n^=r[e-32];e++;r[e]=s^=r[e-32];e++}}return r}}t.AES256Cipher=AES256Cipher;var f=function PDF17Closure(){function compareByteArrays(e,t){if(e.length!==t.length)return!1;for(var r=0;r<e.length;r++)if(e[r]!==t[r])return!1;return!0}function PDF17(){}PDF17.prototype={checkOwnerPassword:function PDF17_checkOwnerPassword(e,t,r,a){var i=new Uint8Array(e.length+56);i.set(e,0);i.set(t,e.length);i.set(r,e.length+t.length);return compareByteArrays(l(i,0,i.length),a)},checkUserPassword:function PDF17_checkUserPassword(e,t,r){var a=new Uint8Array(e.length+8);a.set(e,0);a.set(t,e.length);return compareByteArrays(l(a,0,a.length),r)},getOwnerKey:function PDF17_getOwnerKey(e,t,r,a){var i=new Uint8Array(e.length+56);i.set(e,0);i.set(t,e.length);i.set(r,e.length+t.length);var n=l(i,0,i.length);return new AES256Cipher(n).decryptBlock(a,!1,new Uint8Array(16))},getUserKey:function PDF17_getUserKey(e,t,r){var a=new Uint8Array(e.length+8);a.set(e,0);a.set(t,e.length);var i=l(a,0,a.length);return new AES256Cipher(i).decryptBlock(r,!1,new Uint8Array(16))}};return PDF17}();t.PDF17=f;var g=function PDF20Closure(){function concatArrays(e,t){var r=new Uint8Array(e.length+t.length);r.set(e,0);r.set(t,e.length);return r}function calculatePDF20Hash(e,t,r){for(var a=l(t,0,t.length).subarray(0,32),i=[0],n=0;n<64||i[i.length-1]>n-32;){var s=e.length+a.length+r.length,o=new Uint8Array(64*s),c=concatArrays(e,a);c=concatArrays(c,r);for(var d=0,f=0;d<64;d++,f+=s)o.set(c,f);i=new AES128Cipher(a.subarray(0,16)).encrypt(o,a.subarray(16,32));for(var g=0,m=0;m<16;m++){g*=1;g%=3;g+=(i[m]>>>0)%3;g%=3}0===g?a=l(i,0,i.length):1===g?a=u(i,0,i.length):2===g&&(a=h(i,0,i.length));n++}return a.subarray(0,32)}function PDF20(){}function compareByteArrays(e,t){if(e.length!==t.length)return!1;for(var r=0;r<e.length;r++)if(e[r]!==t[r])return!1;return!0}PDF20.prototype={hash:function PDF20_hash(e,t,r){return calculatePDF20Hash(e,t,r)},checkOwnerPassword:function PDF20_checkOwnerPassword(e,t,r,a){var i=new Uint8Array(e.length+56);i.set(e,0);i.set(t,e.length);i.set(r,e.length+t.length);return compareByteArrays(calculatePDF20Hash(e,i,r),a)},checkUserPassword:function PDF20_checkUserPassword(e,t,r){var a=new Uint8Array(e.length+8);a.set(e,0);a.set(t,e.length);return compareByteArrays(calculatePDF20Hash(e,a,[]),r)},getOwnerKey:function PDF20_getOwnerKey(e,t,r,a){var i=new Uint8Array(e.length+56);i.set(e,0);i.set(t,e.length);i.set(r,e.length+t.length);var n=calculatePDF20Hash(e,i,r);return new AES256Cipher(n).decryptBlock(a,!1,new Uint8Array(16))},getUserKey:function PDF20_getUserKey(e,t,r){var a=new Uint8Array(e.length+8);a.set(e,0);a.set(t,e.length);var i=calculatePDF20Hash(e,a,[]);return new AES256Cipher(i).decryptBlock(r,!1,new Uint8Array(16))}};return PDF20}();t.PDF20=g;var m=function CipherTransformClosure(){function CipherTransform(e,t){this.StringCipherConstructor=e;this.StreamCipherConstructor=t}CipherTransform.prototype={createStream:function CipherTransform_createStream(e,t){var r=new this.StreamCipherConstructor;return new n.DecryptStream(e,t,(function cipherTransformDecryptStream(e,t){return r.decryptBlock(e,t)}))},decryptString:function CipherTransform_decryptString(e){var t=new this.StringCipherConstructor,r=(0,a.stringToBytes)(e);r=t.decryptBlock(r,!0);return(0,a.bytesToString)(r)},encryptString:function CipherTransform_encryptString(e){const t=new this.StringCipherConstructor;if(t instanceof AESBaseCipher){const r=e.length,i=16-r%16;16!==i&&(e=e.padEnd(16*Math.ceil(r/16),String.fromCharCode(i)));const n=new Uint8Array(16);if("undefined"!=typeof crypto)crypto.getRandomValues(n);else for(let e=0;e<16;e++)n[e]=Math.floor(256*Math.random());let s=(0,a.stringToBytes)(e);s=t.encrypt(s,n);const o=new Uint8Array(16+s.length);o.set(n);o.set(s,16);return(0,a.bytesToString)(o)}let r=(0,a.stringToBytes)(e);r=t.encrypt(r);return(0,a.bytesToString)(r)}};return CipherTransform}(),p=function CipherTransformFactoryClosure(){var e=new Uint8Array([40,191,78,94,78,117,138,65,100,0,78,86,255,250,1,8,46,46,0,182,208,104,62,128,47,12,169,254,100,83,105,122]);function prepareKeyData(t,r,a,i,n,c,l,h){var u,d,f=40+a.length+t.length,g=new Uint8Array(f),m=0;if(r){d=Math.min(32,r.length);for(;m<d;++m)g[m]=r[m]}u=0;for(;m<32;)g[m++]=e[u++];for(u=0,d=a.length;u<d;++u)g[m++]=a[u];g[m++]=255&n;g[m++]=n>>8&255;g[m++]=n>>16&255;g[m++]=n>>>24&255;for(u=0,d=t.length;u<d;++u)g[m++]=t[u];if(c>=4&&!h){g[m++]=255;g[m++]=255;g[m++]=255;g[m++]=255}var p=o(g,0,m),b=l>>3;if(c>=3)for(u=0;u<50;++u)p=o(p,0,b);var y,v=p.subarray(0,b);if(c>=3){for(m=0;m<32;++m)g[m]=e[m];for(u=0,d=t.length;u<d;++u)g[m++]=t[u];y=new s(v).encryptBlock(o(g,0,m));d=v.length;var w,k=new Uint8Array(d);for(u=1;u<=19;++u){for(w=0;w<d;++w)k[w]=v[w]^u;y=new s(k).encryptBlock(y)}for(u=0,d=y.length;u<d;++u)if(i[u]!==y[u])return null}else for(u=0,d=(y=new s(v).encryptBlock(e)).length;u<d;++u)if(i[u]!==y[u])return null;return v}var t=i.Name.get("Identity");function CipherTransformFactory(r,n,c){var l=r.get("Filter");if(!(0,i.isName)(l,"Standard"))throw new a.FormatError("unknown encryption method");this.dict=r;var h=r.get("V");if(!Number.isInteger(h)||1!==h&&2!==h&&4!==h&&5!==h)throw new a.FormatError("unsupported encryption algorithm");this.algorithm=h;var u=r.get("Length");if(!u)if(h<=3)u=40;else{var d=r.get("CF"),m=r.get("StmF");if((0,i.isDict)(d)&&(0,i.isName)(m)){d.suppressEncryption=!0;var p=d.get(m.name);(u=p&&p.get("Length")||128)<40&&(u<<=3)}}if(!Number.isInteger(u)||u<40||u%8!=0)throw new a.FormatError("invalid key length");var b=(0,a.stringToBytes)(r.get("O")).subarray(0,32),y=(0,a.stringToBytes)(r.get("U")).subarray(0,32),v=r.get("P"),w=r.get("R"),k=(4===h||5===h)&&!1!==r.get("EncryptMetadata");this.encryptMetadata=k;var S,C,x=(0,a.stringToBytes)(n);if(c){if(6===w)try{c=(0,a.utf8StringToString)(c)}catch(e){(0,a.warn)("CipherTransformFactory: Unable to convert UTF8 encoded password.")}S=(0,a.stringToBytes)(c)}if(5!==h)C=prepareKeyData(x,S,b,y,v,w,u,k);else{var A=(0,a.stringToBytes)(r.get("O")).subarray(32,40),T=(0,a.stringToBytes)(r.get("O")).subarray(40,48),I=(0,a.stringToBytes)(r.get("U")).subarray(0,48),F=(0,a.stringToBytes)(r.get("U")).subarray(32,40),P=(0,a.stringToBytes)(r.get("U")).subarray(40,48),E=(0,a.stringToBytes)(r.get("OE")),B=(0,a.stringToBytes)(r.get("UE"));(0,a.stringToBytes)(r.get("Perms"));C=function createEncryptionKey20(e,t,r,a,i,n,s,o,c,l,h,u){if(t){var d=Math.min(127,t.length);t=t.subarray(0,d)}else t=[];var m;return(m=6===e?new g:new f).checkUserPassword(t,o,s)?m.getUserKey(t,c,h):t.length&&m.checkOwnerPassword(t,a,n,r)?m.getOwnerKey(t,i,n,l):null}(w,S,b,A,T,I,y,F,P,E,B)}if(!C&&!c)throw new a.PasswordException("No password given",a.PasswordResponses.NEED_PASSWORD);if(!C&&c){C=prepareKeyData(x,function decodeUserPassword(t,r,a,i){var n,c,l=new Uint8Array(32),h=0;c=Math.min(32,t.length);for(;h<c;++h)l[h]=t[h];n=0;for(;h<32;)l[h++]=e[n++];var u,d=o(l,0,h),f=i>>3;if(a>=3)for(n=0;n<50;++n)d=o(d,0,d.length);if(a>=3){u=r;var g,m=new Uint8Array(f);for(n=19;n>=0;n--){for(g=0;g<f;++g)m[g]=d[g]^n;u=new s(m).encryptBlock(u)}}else u=new s(d.subarray(0,f)).encryptBlock(r);return u}(S,b,w,u),b,y,v,w,u,k)}if(!C)throw new a.PasswordException("Incorrect Password",a.PasswordResponses.INCORRECT_PASSWORD);this.encryptionKey=C;if(h>=4){var O=r.get("CF");(0,i.isDict)(O)&&(O.suppressEncryption=!0);this.cf=O;this.stmf=r.get("StmF")||t;this.strf=r.get("StrF")||t;this.eff=r.get("EFF")||this.stmf}}function buildObjectKey(e,t,r,a){var i,n,s=new Uint8Array(r.length+9);for(i=0,n=r.length;i<n;++i)s[i]=r[i];s[i++]=255&e;s[i++]=e>>8&255;s[i++]=e>>16&255;s[i++]=255&t;s[i++]=t>>8&255;if(a){s[i++]=115;s[i++]=65;s[i++]=108;s[i++]=84}return o(s,0,i).subarray(0,Math.min(r.length+5,16))}function buildCipherConstructor(e,t,r,n,o){if(!(0,i.isName)(t))throw new a.FormatError("Invalid crypt filter name.");var c,l=e.get(t.name);null!=l&&(c=l.get("CFM"));if(!c||"None"===c.name)return function cipherTransformFactoryBuildCipherConstructorNone(){return new d};if("V2"===c.name)return function cipherTransformFactoryBuildCipherConstructorV2(){return new s(buildObjectKey(r,n,o,!1))};if("AESV2"===c.name)return function cipherTransformFactoryBuildCipherConstructorAESV2(){return new AES128Cipher(buildObjectKey(r,n,o,!0))};if("AESV3"===c.name)return function cipherTransformFactoryBuildCipherConstructorAESV3(){return new AES256Cipher(o)};throw new a.FormatError("Unknown crypto method")}CipherTransformFactory.prototype={createCipherTransform:function CipherTransformFactory_createCipherTransform(e,t){if(4===this.algorithm||5===this.algorithm)return new m(buildCipherConstructor(this.cf,this.stmf,e,t,this.encryptionKey),buildCipherConstructor(this.cf,this.strf,e,t,this.encryptionKey));var r=buildObjectKey(e,t,this.encryptionKey,!1),a=function buildCipherCipherConstructor(){return new s(r)};return new m(a,a)}};return CipherTransformFactory}();t.CipherTransformFactory=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.ColorSpace=void 0;var a=r(2),i=r(5),n=r(8);class ColorSpace{constructor(e,t){this.constructor===ColorSpace&&(0,a.unreachable)("Cannot initialize ColorSpace.");this.name=e;this.numComps=t}getRgb(e,t){const r=new Uint8ClampedArray(3);this.getRgbItem(e,t,r,0);return r}getRgbItem(e,t,r,i){(0,a.unreachable)("Should not call ColorSpace.getRgbItem")}getRgbBuffer(e,t,r,i,n,s,o){(0,a.unreachable)("Should not call ColorSpace.getRgbBuffer")}getOutputLength(e,t){(0,a.unreachable)("Should not call ColorSpace.getOutputLength")}isPassthrough(e){return!1}isDefaultDecode(e,t){return ColorSpace.isDefaultDecode(e,this.numComps)}fillRgb(e,t,r,a,i,n,s,o,c){const l=t*r;let h=null;const u=1<<s,d=r!==i||t!==a;if(this.isPassthrough(s))h=o;else if(1===this.numComps&&l>u&&"DeviceGray"!==this.name&&"DeviceRGB"!==this.name){const t=s<=8?new Uint8Array(u):new Uint16Array(u);for(let e=0;e<u;e++)t[e]=e;const r=new Uint8ClampedArray(3*u);this.getRgbBuffer(t,0,u,r,0,s,0);if(d){h=new Uint8Array(3*l);let e=0;for(let t=0;t<l;++t){const a=3*o[t];h[e++]=r[a];h[e++]=r[a+1];h[e++]=r[a+2]}}else{let t=0;for(let a=0;a<l;++a){const i=3*o[a];e[t++]=r[i];e[t++]=r[i+1];e[t++]=r[i+2];t+=c}}}else if(d){h=new Uint8ClampedArray(3*l);this.getRgbBuffer(o,0,l,h,0,s,0)}else this.getRgbBuffer(o,0,a*n,e,0,s,c);if(h)if(d)!function resizeRgbImage(e,t,r,a,i,n,s){s=1!==s?0:s;const o=r/i,c=a/n;let l,h=0;const u=new Uint16Array(i),d=3*r;for(let e=0;e<i;e++)u[e]=3*Math.floor(e*o);for(let r=0;r<n;r++){const a=Math.floor(r*c)*d;for(let r=0;r<i;r++){l=a+u[r];t[h++]=e[l++];t[h++]=e[l++];t[h++]=e[l++];h+=s}}}(h,e,t,r,a,i,c);else{let t=0,r=0;for(let i=0,s=a*n;i<s;i++){e[t++]=h[r++];e[t++]=h[r++];e[t++]=h[r++];t+=c}}}get usesZeroToOneRange(){return(0,a.shadow)(this,"usesZeroToOneRange",!0)}static _cache(e,t,r,a){if(!r)throw new Error('ColorSpace._cache - expected "localColorSpaceCache" argument.');if(!a)throw new Error('ColorSpace._cache - expected "parsedColorSpace" argument.');let n,s;if(e instanceof i.Ref){s=e;e=t.fetch(e)}e instanceof i.Name&&(n=e.name);(n||s)&&r.set(n,s,a)}static getCached(e,t,r){if(!r)throw new Error('ColorSpace.getCached - expected "localColorSpaceCache" argument.');if(e instanceof i.Ref){const a=r.getByRef(e);if(a)return a;try{e=t.fetch(e)}catch(e){if(e instanceof n.MissingDataException)throw e}}if(e instanceof i.Name){const t=r.getByName(e.name);if(t)return t}return null}static async parseAsync({cs:e,xref:t,resources:r=null,pdfFunctionFactory:a,localColorSpaceCache:i}){const n=this._parse(e,t,r,a);this._cache(e,t,i,n);return n}static parse({cs:e,xref:t,resources:r=null,pdfFunctionFactory:a,localColorSpaceCache:i}){const n=this.getCached(e,t,i);if(n)return n;const s=this._parse(e,t,r,a);this._cache(e,t,i,s);return s}static _parse(e,t,r=null,n){e=t.fetchIfRef(e);if((0,i.isName)(e))switch(e.name){case"DeviceGray":case"G":return this.singletons.gray;case"DeviceRGB":case"RGB":return this.singletons.rgb;case"DeviceCMYK":case"CMYK":return this.singletons.cmyk;case"Pattern":return new PatternCS(null);default:if((0,i.isDict)(r)){const a=r.get("ColorSpace");if((0,i.isDict)(a)){const s=a.get(e.name);if(s){if((0,i.isName)(s))return this._parse(s,t,r,n);e=s;break}}}throw new a.FormatError("Unrecognized ColorSpace: "+e.name)}if(Array.isArray(e)){const i=t.fetchIfRef(e[0]).name;let s,h,u,d,f,g;switch(i){case"DeviceGray":case"G":return this.singletons.gray;case"DeviceRGB":case"RGB":return this.singletons.rgb;case"DeviceCMYK":case"CMYK":return this.singletons.cmyk;case"CalGray":s=t.fetchIfRef(e[1]);d=s.getArray("WhitePoint");f=s.getArray("BlackPoint");g=s.get("Gamma");return new o(d,f,g);case"CalRGB":s=t.fetchIfRef(e[1]);d=s.getArray("WhitePoint");f=s.getArray("BlackPoint");g=s.getArray("Gamma");const m=s.getArray("Matrix");return new c(d,f,g,m);case"ICCBased":const p=t.fetchIfRef(e[1]).dict;h=p.get("N");const b=p.get("Alternate");if(b){const e=this._parse(b,t,r,n);if(e.numComps===h)return e;(0,a.warn)("ICCBased color space: Ignoring incorrect /Alternate entry.")}if(1===h)return this.singletons.gray;if(3===h)return this.singletons.rgb;if(4===h)return this.singletons.cmyk;break;case"Pattern":u=e[1]||null;u&&(u=this._parse(u,t,r,n));return new PatternCS(u);case"Indexed":case"I":u=this._parse(e[1],t,r,n);const y=t.fetchIfRef(e[2])+1,v=t.fetchIfRef(e[3]);return new IndexedCS(u,y,v);case"Separation":case"DeviceN":const w=t.fetchIfRef(e[1]);h=Array.isArray(w)?w.length:1;u=this._parse(e[2],t,r,n);const k=n.create(e[3]);return new AlternateCS(h,u,k);case"Lab":s=t.fetchIfRef(e[1]);d=s.getArray("WhitePoint");f=s.getArray("BlackPoint");const S=s.getArray("Range");return new l(d,f,S);default:throw new a.FormatError("Unimplemented ColorSpace object: "+i)}}throw new a.FormatError("Unrecognized ColorSpace object: "+e)}static isDefaultDecode(e,t){if(!Array.isArray(e))return!0;if(2*t!==e.length){(0,a.warn)("The decode map is not the correct length");return!0}for(let t=0,r=e.length;t<r;t+=2)if(0!==e[t]||1!==e[t+1])return!1;return!0}static get singletons(){return(0,a.shadow)(this,"singletons",{get gray(){return(0,a.shadow)(this,"gray",new DeviceGrayCS)},get rgb(){return(0,a.shadow)(this,"rgb",new DeviceRgbCS)},get cmyk(){return(0,a.shadow)(this,"cmyk",new s)}})}}t.ColorSpace=ColorSpace;class AlternateCS extends ColorSpace{constructor(e,t,r){super("Alternate",e);this.base=t;this.tintFn=r;this.tmpBuf=new Float32Array(t.numComps)}getRgbItem(e,t,r,a){const i=this.tmpBuf;this.tintFn(e,t,i,0);this.base.getRgbItem(i,0,r,a)}getRgbBuffer(e,t,r,a,i,n,s){const o=this.tintFn,c=this.base,l=1/((1<<n)-1),h=c.numComps,u=c.usesZeroToOneRange,d=(c.isPassthrough(8)||!u)&&0===s;let f=d?i:0;const g=d?a:new Uint8ClampedArray(h*r),m=this.numComps,p=new Float32Array(m),b=new Float32Array(h);let y,v;for(y=0;y<r;y++){for(v=0;v<m;v++)p[v]=e[t++]*l;o(p,0,b,0);if(u)for(v=0;v<h;v++)g[f++]=255*b[v];else{c.getRgbItem(b,0,g,f);f+=h}}d||c.getRgbBuffer(g,0,r,a,i,8,s)}getOutputLength(e,t){return this.base.getOutputLength(e*this.base.numComps/this.numComps,t)}}class PatternCS extends ColorSpace{constructor(e){super("Pattern",null);this.base=e}isDefaultDecode(e,t){(0,a.unreachable)("Should not call PatternCS.isDefaultDecode")}}class IndexedCS extends ColorSpace{constructor(e,t,r){super("Indexed",1);this.base=e;this.highVal=t;const n=e.numComps*t;this.lookup=new Uint8Array(n);if((0,i.isStream)(r)){const e=r.getBytes(n);this.lookup.set(e)}else{if("string"!=typeof r)throw new a.FormatError("IndexedCS - unrecognized lookup table: "+r);for(let e=0;e<n;++e)this.lookup[e]=255&r.charCodeAt(e)}}getRgbItem(e,t,r,a){const i=this.base.numComps,n=e[t]*i;this.base.getRgbBuffer(this.lookup,n,1,r,a,8,0)}getRgbBuffer(e,t,r,a,i,n,s){const o=this.base,c=o.numComps,l=o.getOutputLength(c,s),h=this.lookup;for(let n=0;n<r;++n){const r=e[t++]*c;o.getRgbBuffer(h,r,1,a,i,8,s);i+=l}}getOutputLength(e,t){return this.base.getOutputLength(e*this.base.numComps,t)}isDefaultDecode(e,t){if(!Array.isArray(e))return!0;if(2!==e.length){(0,a.warn)("Decode map length is not correct");return!0}if(!Number.isInteger(t)||t<1){(0,a.warn)("Bits per component is not correct");return!0}return 0===e[0]&&e[1]===(1<<t)-1}}class DeviceGrayCS extends ColorSpace{constructor(){super("DeviceGray",1)}getRgbItem(e,t,r,a){const i=255*e[t];r[a]=r[a+1]=r[a+2]=i}getRgbBuffer(e,t,r,a,i,n,s){const o=255/((1<<n)-1);let c=t,l=i;for(let t=0;t<r;++t){const t=o*e[c++];a[l++]=t;a[l++]=t;a[l++]=t;l+=s}}getOutputLength(e,t){return e*(3+t)}}class DeviceRgbCS extends ColorSpace{constructor(){super("DeviceRGB",3)}getRgbItem(e,t,r,a){r[a]=255*e[t];r[a+1]=255*e[t+1];r[a+2]=255*e[t+2]}getRgbBuffer(e,t,r,a,i,n,s){if(8===n&&0===s){a.set(e.subarray(t,t+3*r),i);return}const o=255/((1<<n)-1);let c=t,l=i;for(let t=0;t<r;++t){a[l++]=o*e[c++];a[l++]=o*e[c++];a[l++]=o*e[c++];l+=s}}getOutputLength(e,t){return e*(3+t)/3|0}isPassthrough(e){return 8===e}}const s=function DeviceCmykCSClosure(){function convertToRgb(e,t,r,a,i){const n=e[t]*r,s=e[t+1]*r,o=e[t+2]*r,c=e[t+3]*r;a[i]=255+n*(-4.387332384609988*n+54.48615194189176*s+18.82290502165302*o+212.25662451639585*c-285.2331026137004)+s*(1.7149763477362134*s-5.6096736904047315*o+-17.873870861415444*c-5.497006427196366)+o*(-2.5217340131683033*o-21.248923337353073*c+17.5119270841813)+c*(-21.86122147463605*c-189.48180835922747);a[i+1]=255+n*(8.841041422036149*n+60.118027045597366*s+6.871425592049007*o+31.159100130055922*c-79.2970844816548)+s*(-15.310361306967817*s+17.575251261109482*o+131.35250912493976*c-190.9453302588951)+o*(4.444339102852739*o+9.8632861493405*c-24.86741582555878)+c*(-20.737325471181034*c-187.80453709719578);a[i+2]=255+n*(.8842522430003296*n+8.078677503112928*s+30.89978309703729*o-.23883238689178934*c-14.183576799673286)+s*(10.49593273432072*s+63.02378494754052*o+50.606957656360734*c-112.23884253719248)+o*(.03296041114873217*o+115.60384449646641*c-193.58209356861505)+c*(-22.33816807309886*c-180.12613974708367)}return class DeviceCmykCS extends ColorSpace{constructor(){super("DeviceCMYK",4)}getRgbItem(e,t,r,a){convertToRgb(e,t,1,r,a)}getRgbBuffer(e,t,r,a,i,n,s){const o=1/((1<<n)-1);for(let n=0;n<r;n++){convertToRgb(e,t,o,a,i);t+=4;i+=3+s}}getOutputLength(e,t){return e/4*(3+t)|0}}}(),o=function CalGrayCSClosure(){function convertToRgb(e,t,r,a,i,n){const s=(t[r]*n)**e.G,o=e.YW*s,c=Math.max(295.8*o**.3333333333333333-40.8,0);a[i]=c;a[i+1]=c;a[i+2]=c}return class CalGrayCS extends ColorSpace{constructor(e,t,r){super("CalGray",1);if(!e)throw new a.FormatError("WhitePoint missing - required for color space CalGray");t=t||[0,0,0];r=r||1;this.XW=e[0];this.YW=e[1];this.ZW=e[2];this.XB=t[0];this.YB=t[1];this.ZB=t[2];this.G=r;if(this.XW<0||this.ZW<0||1!==this.YW)throw new a.FormatError("Invalid WhitePoint components for "+this.name+", no fallback available");if(this.XB<0||this.YB<0||this.ZB<0){(0,a.info)(`Invalid BlackPoint for ${this.name}, falling back to default.`);this.XB=this.YB=this.ZB=0}0===this.XB&&0===this.YB&&0===this.ZB||(0,a.warn)(`${this.name}, BlackPoint: XB: ${this.XB}, YB: ${this.YB}, ZB: ${this.ZB}, only default values are supported.`);if(this.G<1){(0,a.info)(`Invalid Gamma: ${this.G} for ${this.name}, falling back to default.`);this.G=1}}getRgbItem(e,t,r,a){convertToRgb(this,e,t,r,a,1)}getRgbBuffer(e,t,r,a,i,n,s){const o=1/((1<<n)-1);for(let n=0;n<r;++n){convertToRgb(this,e,t,a,i,o);t+=1;i+=3+s}}getOutputLength(e,t){return e*(3+t)}}}(),c=function CalRGBCSClosure(){const e=new Float32Array([.8951,.2664,-.1614,-.7502,1.7135,.0367,.0389,-.0685,1.0296]),t=new Float32Array([.9869929,-.1470543,.1599627,.4323053,.5183603,.0492912,-.0085287,.0400428,.9684867]),r=new Float32Array([3.2404542,-1.5371385,-.4985314,-.969266,1.8760108,.041556,.0556434,-.2040259,1.0572252]),i=new Float32Array([1,1,1]),n=new Float32Array(3),s=new Float32Array(3),o=new Float32Array(3);function matrixProduct(e,t,r){r[0]=e[0]*t[0]+e[1]*t[1]+e[2]*t[2];r[1]=e[3]*t[0]+e[4]*t[1]+e[5]*t[2];r[2]=e[6]*t[0]+e[7]*t[1]+e[8]*t[2]}function sRGBTransferFunction(e){return e<=.0031308?adjustToRange(0,1,12.92*e):e>=.99554525?1:adjustToRange(0,1,1.055*e**(1/2.4)-.055)}function adjustToRange(e,t,r){return Math.max(e,Math.min(t,r))}function decodeL(e){return e<0?-decodeL(-e):e>8?((e+16)/116)**3:e*((24/116)**3/8)}function convertToRgb(a,c,l,h,u,d){const f=adjustToRange(0,1,c[l]*d),g=adjustToRange(0,1,c[l+1]*d),m=adjustToRange(0,1,c[l+2]*d),p=1===f?1:f**a.GR,b=1===g?1:g**a.GG,y=1===m?1:m**a.GB,v=a.MXA*p+a.MXB*b+a.MXC*y,w=a.MYA*p+a.MYB*b+a.MYC*y,k=a.MZA*p+a.MZB*b+a.MZC*y,S=s;S[0]=v;S[1]=w;S[2]=k;const C=o;!function normalizeWhitePointToFlat(r,a,i){if(1===r[0]&&1===r[2]){i[0]=a[0];i[1]=a[1];i[2]=a[2];return}const s=i;matrixProduct(e,a,s);const o=n;!function convertToFlat(e,t,r){r[0]=1*t[0]/e[0];r[1]=1*t[1]/e[1];r[2]=1*t[2]/e[2]}(r,s,o);matrixProduct(t,o,i)}(a.whitePoint,S,C);const x=s;!function compensateBlackPoint(e,t,r){if(0===e[0]&&0===e[1]&&0===e[2]){r[0]=t[0];r[1]=t[1];r[2]=t[2];return}const a=decodeL(0),i=(1-a)/(1-decodeL(e[0])),n=1-i,s=(1-a)/(1-decodeL(e[1])),o=1-s,c=(1-a)/(1-decodeL(e[2])),l=1-c;r[0]=t[0]*i+n;r[1]=t[1]*s+o;r[2]=t[2]*c+l}(a.blackPoint,C,x);const A=o;!function normalizeWhitePointToD65(r,a,i){const s=i;matrixProduct(e,a,s);const o=n;!function convertToD65(e,t,r){r[0]=.95047*t[0]/e[0];r[1]=1*t[1]/e[1];r[2]=1.08883*t[2]/e[2]}(r,s,o);matrixProduct(t,o,i)}(i,x,A);const T=s;matrixProduct(r,A,T);h[u]=255*sRGBTransferFunction(T[0]);h[u+1]=255*sRGBTransferFunction(T[1]);h[u+2]=255*sRGBTransferFunction(T[2])}return class CalRGBCS extends ColorSpace{constructor(e,t,r,i){super("CalRGB",3);if(!e)throw new a.FormatError("WhitePoint missing - required for color space CalRGB");t=t||new Float32Array(3);r=r||new Float32Array([1,1,1]);i=i||new Float32Array([1,0,0,0,1,0,0,0,1]);const n=e[0],s=e[1],o=e[2];this.whitePoint=e;const c=t[0],l=t[1],h=t[2];this.blackPoint=t;this.GR=r[0];this.GG=r[1];this.GB=r[2];this.MXA=i[0];this.MYA=i[1];this.MZA=i[2];this.MXB=i[3];this.MYB=i[4];this.MZB=i[5];this.MXC=i[6];this.MYC=i[7];this.MZC=i[8];if(n<0||o<0||1!==s)throw new a.FormatError("Invalid WhitePoint components for "+this.name+", no fallback available");if(c<0||l<0||h<0){(0,a.info)(`Invalid BlackPoint for ${this.name} [${c}, ${l}, ${h}], falling back to default.`);this.blackPoint=new Float32Array(3)}if(this.GR<0||this.GG<0||this.GB<0){(0,a.info)(`Invalid Gamma [${this.GR}, ${this.GG}, ${this.GB}] for `+this.name+", falling back to default.");this.GR=this.GG=this.GB=1}}getRgbItem(e,t,r,a){convertToRgb(this,e,t,r,a,1)}getRgbBuffer(e,t,r,a,i,n,s){const o=1/((1<<n)-1);for(let n=0;n<r;++n){convertToRgb(this,e,t,a,i,o);t+=3;i+=3+s}}getOutputLength(e,t){return e*(3+t)/3|0}}}(),l=function LabCSClosure(){function fn_g(e){let t;t=e>=6/29?e*e*e:108/841*(e-4/29);return t}function decode(e,t,r,a){return r+e*(a-r)/t}function convertToRgb(e,t,r,a,i,n){let s=t[r],o=t[r+1],c=t[r+2];if(!1!==a){s=decode(s,a,0,100);o=decode(o,a,e.amin,e.amax);c=decode(c,a,e.bmin,e.bmax)}o>e.amax?o=e.amax:o<e.amin&&(o=e.amin);c>e.bmax?c=e.bmax:c<e.bmin&&(c=e.bmin);const l=(s+16)/116,h=l+o/500,u=l-c/200,d=e.XW*fn_g(h),f=e.YW*fn_g(l),g=e.ZW*fn_g(u);let m,p,b;if(e.ZW<1){m=3.1339*d+-1.617*f+-.4906*g;p=-.9785*d+1.916*f+.0333*g;b=.072*d+-.229*f+1.4057*g}else{m=3.2406*d+-1.5372*f+-.4986*g;p=-.9689*d+1.8758*f+.0415*g;b=.0557*d+-.204*f+1.057*g}i[n]=255*Math.sqrt(m);i[n+1]=255*Math.sqrt(p);i[n+2]=255*Math.sqrt(b)}return class LabCS extends ColorSpace{constructor(e,t,r){super("Lab",3);if(!e)throw new a.FormatError("WhitePoint missing - required for color space Lab");t=t||[0,0,0];r=r||[-100,100,-100,100];this.XW=e[0];this.YW=e[1];this.ZW=e[2];this.amin=r[0];this.amax=r[1];this.bmin=r[2];this.bmax=r[3];this.XB=t[0];this.YB=t[1];this.ZB=t[2];if(this.XW<0||this.ZW<0||1!==this.YW)throw new a.FormatError("Invalid WhitePoint components, no fallback available");if(this.XB<0||this.YB<0||this.ZB<0){(0,a.info)("Invalid BlackPoint, falling back to default");this.XB=this.YB=this.ZB=0}if(this.amin>this.amax||this.bmin>this.bmax){(0,a.info)("Invalid Range, falling back to defaults");this.amin=-100;this.amax=100;this.bmin=-100;this.bmax=100}}getRgbItem(e,t,r,a){convertToRgb(this,e,t,!1,r,a)}getRgbBuffer(e,t,r,a,i,n,s){const o=(1<<n)-1;for(let n=0;n<r;n++){convertToRgb(this,e,t,o,a,i);t+=3;i+=3+s}}getOutputLength(e,t){return e*(3+t)/3|0}isDefaultDecode(e,t){return!0}get usesZeroToOneRange(){return(0,a.shadow)(this,"usesZeroToOneRange",!1)}}}()},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.GlobalImageCache=t.LocalGStateCache=t.LocalFunctionCache=t.LocalColorSpaceCache=t.LocalImageCache=void 0;var a=r(2),i=r(5);class BaseLocalCache{constructor(e){this.constructor===BaseLocalCache&&(0,a.unreachable)("Cannot initialize BaseLocalCache.");if(!e||!e.onlyRefs){this._nameRefMap=new Map;this._imageMap=new Map}this._imageCache=new i.RefSetCache}getByName(e){const t=this._nameRefMap.get(e);return t?this.getByRef(t):this._imageMap.get(e)||null}getByRef(e){return this._imageCache.get(e)||null}set(e,t,r){(0,a.unreachable)("Abstract method `set` called.")}}t.LocalImageCache=class LocalImageCache extends BaseLocalCache{set(e,t=null,r){if(!e)throw new Error('LocalImageCache.set - expected "name" argument.');if(t){if(this._imageCache.has(t))return;this._nameRefMap.set(e,t);this._imageCache.put(t,r)}else this._imageMap.has(e)||this._imageMap.set(e,r)}};t.LocalColorSpaceCache=class LocalColorSpaceCache extends BaseLocalCache{set(e=null,t=null,r){if(!e&&!t)throw new Error('LocalColorSpaceCache.set - expected "name" and/or "ref" argument.');if(t){if(this._imageCache.has(t))return;e&&this._nameRefMap.set(e,t);this._imageCache.put(t,r)}else this._imageMap.has(e)||this._imageMap.set(e,r)}};t.LocalFunctionCache=class LocalFunctionCache extends BaseLocalCache{constructor(e){super({onlyRefs:!0})}getByName(e){(0,a.unreachable)("Should not call `getByName` method.")}set(e=null,t,r){if(!t)throw new Error('LocalFunctionCache.set - expected "ref" argument.');this._imageCache.has(t)||this._imageCache.put(t,r)}};t.LocalGStateCache=class LocalGStateCache extends BaseLocalCache{set(e,t=null,r){if(!e)throw new Error('LocalGStateCache.set - expected "name" argument.');if(t){if(this._imageCache.has(t))return;this._nameRefMap.set(e,t);this._imageCache.put(t,r)}else this._imageMap.has(e)||this._imageMap.set(e,r)}};class GlobalImageCache{static get NUM_PAGES_THRESHOLD(){return(0,a.shadow)(this,"NUM_PAGES_THRESHOLD",2)}static get MAX_IMAGES_TO_CACHE(){return(0,a.shadow)(this,"MAX_IMAGES_TO_CACHE",10)}constructor(){this._refCache=new i.RefSetCache;this._imageCache=new i.RefSetCache}shouldCache(e,t){const r=this._refCache.get(e);return!((r?r.size+(r.has(t)?0:1):1)<GlobalImageCache.NUM_PAGES_THRESHOLD)&&!(!this._imageCache.has(e)&&this._imageCache.size>=GlobalImageCache.MAX_IMAGES_TO_CACHE)}addPageIndex(e,t){let r=this._refCache.get(e);if(!r){r=new Set;this._refCache.put(e,r)}r.add(t)}getData(e,t){const r=this._refCache.get(e);if(!r)return null;if(r.size<GlobalImageCache.NUM_PAGES_THRESHOLD)return null;if(!this._imageCache.has(e))return null;r.add(t);return this._imageCache.get(e)}setData(e,t){if(!this._refCache.has(e))throw new Error('GlobalImageCache.setData - expected "addPageIndex" to have been called.');this._imageCache.has(e)||(this._imageCache.size>=GlobalImageCache.MAX_IMAGES_TO_CACHE?(0,a.info)("GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE."):this._imageCache.put(e,t))}clear(e=!1){e||this._refCache.clear();this._imageCache.clear()}}t.GlobalImageCache=GlobalImageCache},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getQuadPoints=getQuadPoints;t.MarkupAnnotation=t.AnnotationFactory=t.AnnotationBorderStyle=t.Annotation=void 0;var a=r(2),i=r(10),n=r(5),s=r(23),o=r(8),c=r(26),l=r(12),h=r(27);t.AnnotationFactory=class AnnotationFactory{static create(e,t,r,a){return r.ensureCatalog("acroForm").then(i=>r.ensure(this,"_create",[e,t,r,a,i]))}static _create(e,t,r,i,s){const c=e.fetchIfRef(t);if(!(0,n.isDict)(c))return;const l=(0,n.isRef)(t)?t.toString():"annot_"+i.createObjId();let h=c.get("Subtype");h=(0,n.isName)(h)?h.name:null;const u={xref:e,ref:t,dict:c,subtype:h,id:l,pdfManager:r,acroForm:s instanceof n.Dict?s:n.Dict.empty};switch(h){case"Link":return new LinkAnnotation(u);case"Text":return new TextAnnotation(u);case"Widget":let e=(0,o.getInheritableProperty)({dict:c,key:"FT"});e=(0,n.isName)(e)?e.name:null;switch(e){case"Tx":return new TextWidgetAnnotation(u);case"Btn":return new ButtonWidgetAnnotation(u);case"Ch":return new ChoiceWidgetAnnotation(u)}(0,a.warn)('Unimplemented widget field type "'+e+'", falling back to base field type.');return new WidgetAnnotation(u);case"Popup":return new PopupAnnotation(u);case"FreeText":return new FreeTextAnnotation(u);case"Line":return new LineAnnotation(u);case"Square":return new SquareAnnotation(u);case"Circle":return new CircleAnnotation(u);case"PolyLine":return new PolylineAnnotation(u);case"Polygon":return new PolygonAnnotation(u);case"Caret":return new CaretAnnotation(u);case"Ink":return new InkAnnotation(u);case"Highlight":return new HighlightAnnotation(u);case"Underline":return new UnderlineAnnotation(u);case"Squiggly":return new SquigglyAnnotation(u);case"StrikeOut":return new StrikeOutAnnotation(u);case"Stamp":return new StampAnnotation(u);case"FileAttachment":return new FileAttachmentAnnotation(u);default:h?(0,a.warn)('Unimplemented annotation type "'+h+'", falling back to base annotation.'):(0,a.warn)("Annotation is missing the required /Subtype.");return new Annotation(u)}}};function getQuadPoints(e,t){if(!e.has("QuadPoints"))return null;const r=e.getArray("QuadPoints");if(!Array.isArray(r)||r.length%8>0)return null;const a=[];for(let e=0,i=r.length/8;e<i;e++){a.push([]);for(let i=8*e,n=8*e+8;i<n;i+=2){const n=r[i],s=r[i+1];if(n<t[0]||n>t[2]||s<t[1]||s>t[3])return null;a[e].push({x:n,y:s})}}return a}function getTransformMatrix(e,t,r){const[i,n,s,o]=a.Util.getAxialAlignedBoundingBox(t,r);if(i===s||n===o)return[1,0,0,1,e[0],e[1]];const c=(e[2]-e[0])/(s-i),l=(e[3]-e[1])/(o-n);return[c,0,0,l,e[0]-i*c,e[1]-n*l]}class Annotation{constructor(e){const t=e.dict;this.setContents(t.get("Contents"));this.setModificationDate(t.get("M"));this.setFlags(t.get("F"));this.setRectangle(t.getArray("Rect"));this.setColor(t.getArray("C"));this.setBorderStyle(t);this.setAppearance(t);this.data={annotationFlags:this.flags,borderStyle:this.borderStyle,color:this.color,contents:this.contents,hasAppearance:!!this.appearance,id:e.id,modificationDate:this.modificationDate,rect:this.rectangle,subtype:e.subtype}}_hasFlag(e,t){return!!(e&t)}_isViewable(e){return!this._hasFlag(e,a.AnnotationFlag.INVISIBLE)&&!this._hasFlag(e,a.AnnotationFlag.HIDDEN)&&!this._hasFlag(e,a.AnnotationFlag.NOVIEW)}_isPrintable(e){return this._hasFlag(e,a.AnnotationFlag.PRINT)&&!this._hasFlag(e,a.AnnotationFlag.INVISIBLE)&&!this._hasFlag(e,a.AnnotationFlag.HIDDEN)}get viewable(){return 0===this.flags||this._isViewable(this.flags)}get printable(){return 0!==this.flags&&this._isPrintable(this.flags)}setContents(e){this.contents=(0,a.stringToPDFString)(e||"")}setModificationDate(e){this.modificationDate=(0,a.isString)(e)?e:null}setFlags(e){this.flags=Number.isInteger(e)&&e>0?e:0}hasFlag(e){return this._hasFlag(this.flags,e)}setRectangle(e){Array.isArray(e)&&4===e.length?this.rectangle=a.Util.normalizeRect(e):this.rectangle=[0,0,0,0]}setColor(e){const t=new Uint8ClampedArray(3);if(Array.isArray(e))switch(e.length){case 0:this.color=null;break;case 1:s.ColorSpace.singletons.gray.getRgbItem(e,0,t,0);this.color=t;break;case 3:s.ColorSpace.singletons.rgb.getRgbItem(e,0,t,0);this.color=t;break;case 4:s.ColorSpace.singletons.cmyk.getRgbItem(e,0,t,0);this.color=t;break;default:this.color=t}else this.color=t}setBorderStyle(e){this.borderStyle=new AnnotationBorderStyle;if((0,n.isDict)(e))if(e.has("BS")){const t=e.get("BS"),r=t.get("Type");if(!r||(0,n.isName)(r,"Border")){this.borderStyle.setWidth(t.get("W"),this.rectangle);this.borderStyle.setStyle(t.get("S"));this.borderStyle.setDashArray(t.getArray("D"))}}else if(e.has("Border")){const t=e.getArray("Border");if(Array.isArray(t)&&t.length>=3){this.borderStyle.setHorizontalCornerRadius(t[0]);this.borderStyle.setVerticalCornerRadius(t[1]);this.borderStyle.setWidth(t[2],this.rectangle);4===t.length&&this.borderStyle.setDashArray(t[3])}}else this.borderStyle.setWidth(0)}setAppearance(e){this.appearance=null;const t=e.get("AP");if(!(0,n.isDict)(t))return;const r=t.get("N");if((0,n.isStream)(r)){this.appearance=r;return}if(!(0,n.isDict)(r))return;const a=e.get("AS");(0,n.isName)(a)&&r.has(a.name)&&(this.appearance=r.get(a.name))}loadResources(e){return this.appearance.dict.getAsync("Resources").then(t=>{if(!t)return;return new i.ObjectLoader(t,e,t.xref).load().then((function(){return t}))})}getOperatorList(e,t,r,i){if(!this.appearance)return Promise.resolve(new c.OperatorList);const n=this.appearance,s=this.data,o=n.dict,l=this.loadResources(["ExtGState","ColorSpace","Pattern","Shading","XObject","Font"]),h=o.getArray("BBox")||[0,0,1,1],u=o.getArray("Matrix")||[1,0,0,1,0,0],d=getTransformMatrix(s.rect,h,u);return l.then(r=>{const i=new c.OperatorList;i.addOp(a.OPS.beginAnnotation,[s.rect,d,u]);return e.getOperatorList({stream:n,task:t,resources:r,operatorList:i}).then(()=>{i.addOp(a.OPS.endAnnotation,[]);n.reset();return i})})}async save(e,t,r){return null}}t.Annotation=Annotation;class AnnotationBorderStyle{constructor(){this.width=1;this.style=a.AnnotationBorderStyleType.SOLID;this.dashArray=[3];this.horizontalCornerRadius=0;this.verticalCornerRadius=0}setWidth(e,t=[0,0,0,0]){if((0,n.isName)(e))this.width=0;else if(Number.isInteger(e)){if(e>0){const r=(t[2]-t[0])/2,i=(t[3]-t[1])/2;if(r>0&&i>0&&(e>r||e>i)){(0,a.warn)("AnnotationBorderStyle.setWidth - ignoring width: "+e);e=1}}this.width=e}}setStyle(e){if((0,n.isName)(e))switch(e.name){case"S":this.style=a.AnnotationBorderStyleType.SOLID;break;case"D":this.style=a.AnnotationBorderStyleType.DASHED;break;case"B":this.style=a.AnnotationBorderStyleType.BEVELED;break;case"I":this.style=a.AnnotationBorderStyleType.INSET;break;case"U":this.style=a.AnnotationBorderStyleType.UNDERLINE}}setDashArray(e){if(Array.isArray(e)&&e.length>0){let t=!0,r=!0;for(const a of e){if(!(+a>=0)){t=!1;break}a>0&&(r=!1)}t&&!r?this.dashArray=e:this.width=0}else e&&(this.width=0)}setHorizontalCornerRadius(e){Number.isInteger(e)&&(this.horizontalCornerRadius=e)}setVerticalCornerRadius(e){Number.isInteger(e)&&(this.verticalCornerRadius=e)}}t.AnnotationBorderStyle=AnnotationBorderStyle;class MarkupAnnotation extends Annotation{constructor(e){super(e);const t=e.dict;if(t.has("IRT")){const e=t.getRaw("IRT");this.data.inReplyTo=(0,n.isRef)(e)?e.toString():null;const r=t.get("RT");this.data.replyType=(0,n.isName)(r)?r.name:a.AnnotationReplyType.REPLY}if(this.data.replyType===a.AnnotationReplyType.GROUP){const e=t.get("IRT");this.data.title=(0,a.stringToPDFString)(e.get("T")||"");this.setContents(e.get("Contents"));this.data.contents=this.contents;if(e.has("CreationDate")){this.setCreationDate(e.get("CreationDate"));this.data.creationDate=this.creationDate}else this.data.creationDate=null;if(e.has("M")){this.setModificationDate(e.get("M"));this.data.modificationDate=this.modificationDate}else this.data.modificationDate=null;this.data.hasPopup=e.has("Popup");if(e.has("C")){this.setColor(e.getArray("C"));this.data.color=this.color}else this.data.color=null}else{this.data.title=(0,a.stringToPDFString)(t.get("T")||"");this.setCreationDate(t.get("CreationDate"));this.data.creationDate=this.creationDate;this.data.hasPopup=t.has("Popup");t.has("C")||(this.data.color=null)}}setCreationDate(e){this.creationDate=(0,a.isString)(e)?e:null}}t.MarkupAnnotation=MarkupAnnotation;class WidgetAnnotation extends Annotation{constructor(e){super(e);const t=e.dict,r=this.data;this.ref=e.ref;r.annotationType=a.AnnotationType.WIDGET;r.fieldName=this._constructFieldName(t);const i=(0,o.getInheritableProperty)({dict:t,key:"V",getArray:!0});r.fieldValue=this._decodeFormValue(i);r.alternativeText=(0,a.stringToPDFString)(t.get("TU")||"");r.defaultAppearance=(0,o.getInheritableProperty)({dict:t,key:"DA"})||e.acroForm.get("DA")||"";const s=(0,o.getInheritableProperty)({dict:t,key:"FT"});r.fieldType=(0,n.isName)(s)?s.name:null;this.fieldResources=(0,o.getInheritableProperty)({dict:t,key:"DR"})||e.acroForm.get("DR")||n.Dict.empty;r.fieldFlags=(0,o.getInheritableProperty)({dict:t,key:"Ff"});(!Number.isInteger(r.fieldFlags)||r.fieldFlags<0)&&(r.fieldFlags=0);r.readOnly=this.hasFieldFlag(a.AnnotationFieldFlag.READONLY);if("Sig"===r.fieldType){r.fieldValue=null;this.setFlags(a.AnnotationFlag.HIDDEN)}}_constructFieldName(e){if(!e.has("T")&&!e.has("Parent")){(0,a.warn)("Unknown field name, falling back to empty field name.");return""}if(!e.has("Parent"))return(0,a.stringToPDFString)(e.get("T"));const t=[];e.has("T")&&t.unshift((0,a.stringToPDFString)(e.get("T")));let r=e;for(;r.has("Parent");){r=r.get("Parent");if(!(0,n.isDict)(r))break;r.has("T")&&t.unshift((0,a.stringToPDFString)(r.get("T")))}return t.join(".")}_decodeFormValue(e){return Array.isArray(e)?e.filter(e=>(0,a.isString)(e)).map(e=>(0,a.stringToPDFString)(e)):(0,n.isName)(e)?(0,a.stringToPDFString)(e.name):(0,a.isString)(e)?(0,a.stringToPDFString)(e):null}hasFieldFlag(e){return!!(this.data.fieldFlags&e)}getOperatorList(e,t,r,i){return r?Promise.resolve(new c.OperatorList):this._hasText?this._getAppearance(e,t,i).then(n=>{if(this.appearance&&null===n)return super.getOperatorList(e,t,r,i);const s=new c.OperatorList;if(!this.data.defaultAppearance||null===n)return s;const o=[1,0,0,1,0,0],h=[0,0,this.data.rect[2]-this.data.rect[0],this.data.rect[3]-this.data.rect[1]],u=getTransformMatrix(this.data.rect,h,o);s.addOp(a.OPS.beginAnnotation,[this.data.rect,u,o]);const d=new l.StringStream(n);return e.getOperatorList({stream:d,task:t,resources:this.fieldResources,operatorList:s}).then((function(){s.addOp(a.OPS.endAnnotation,[]);return s}))}):super.getOperatorList(e,t,r,i)}async save(e,t,r){if(this.data.fieldValue===r[this.data.id])return null;let i=await this._getAppearance(e,t,r);if(null===i)return null;const s=e.xref.fetchIfRef(this.ref);if(!(0,n.isDict)(s))return null;const o=[0,0,this.data.rect[2]-this.data.rect[0],this.data.rect[3]-this.data.rect[1]],c=e.xref.getNewRef(),l=new n.Dict(e.xref);l.set("N",c);const u=r[this.data.id],d=e.xref.encrypt;let f=null,g=null;if(d){f=d.createCipherTransform(this.ref.num,this.ref.gen);g=d.createCipherTransform(c.num,c.gen);i=g.encryptString(i)}s.set("V",u);s.set("AP",l);s.set("M","D:"+(0,a.getModificationDate)());const m=new n.Dict(e.xref);m.set("Length",i.length);m.set("Subtype",n.Name.get("Form"));m.set("Resources",this.fieldResources);m.set("BBox",o);const p=[`${this.ref.num} ${this.ref.gen} obj\n`];(0,h.writeDict)(s,p,f);p.push("\nendobj\n");const b=[`${c.num} ${c.gen} obj\n`];(0,h.writeDict)(m,b,g);b.push(" stream\n");b.push(i);b.push("\nendstream\nendobj\n");return[{ref:this.ref,data:p.join("")},{ref:c,data:b.join("")}]}async _getAppearance(e,t,r){const i=this.hasFieldFlag(a.AnnotationFieldFlag.PASSWORD);if(!r||i)return null;const n=r[this.data.id];if(""===n)return"";const s=this.data.rect[3]-this.data.rect[1],o=this.data.rect[2]-this.data.rect[0],c=await this._getFontData(e,t),[l,h]=c;let u=c[2];u=this._computeFontSize(l,h,u,s);let d=l.descent;isNaN(d)&&(d=0);const f=2+Math.abs(d)*u,g=this.data.defaultAppearance,m=this.data.textAlignment;if(this.data.comb)return this._getCombAppearance(g,n,o,2,f);if(this.data.multiLine)return this._getMultilineAppearance(g,n,l,u,o,s,m,2,f);if(0===m||m>2)return"/Tx BMC q BT "+g+` 1 0 0 1 2 ${f} Tm (${(0,a.escapeString)(n)}) Tj ET Q EMC`;return"/Tx BMC q BT "+g+" 1 0 0 1 0 0 Tm "+this._renderText(n,l,u,o,m,2,f)+" ET Q EMC"}async _getFontData(e,t){const r=new c.OperatorList,a={fontSize:0,font:null,fontName:null,clone(){return this}};await e.getOperatorList({stream:new l.StringStream(this.data.defaultAppearance),task:t,resources:this.fieldResources,operatorList:r,initialState:a});return[a.font,a.fontName,a.fontSize]}_computeFontSize(e,t,r,a){if(null===r||0===r){const i=.7*(e.charsToGlyphs("M",!0)[0].width/1e3);r=Math.max(1,Math.floor(a/(1.5*i)));let n=new RegExp(`/${t}\\s+[0-9.]+\\s+Tf`);-1===this.data.defaultAppearance.search(n)&&(n=new RegExp(`/${t}\\s+Tf`));this.data.defaultAppearance=this.data.defaultAppearance.replace(n,`/${t} ${r} Tf`)}return r}_renderText(e,t,r,i,n,s,o){const c=t.charsToGlyphs(e),l=r/1e3;let h,u=0;for(const e of c)u+=e.width*l;h=1===n?(i-u)/2:2===n?i-u-s:s;h=h.toFixed(2);return`${h} ${o=o.toFixed(2)} Td (${(0,a.escapeString)(e)}) Tj`}}class TextWidgetAnnotation extends WidgetAnnotation{constructor(e){super(e);this._hasText=!0;const t=e.dict;(0,a.isString)(this.data.fieldValue)||(this.data.fieldValue="");let r=(0,o.getInheritableProperty)({dict:t,key:"Q"});(!Number.isInteger(r)||r<0||r>2)&&(r=null);this.data.textAlignment=r;let i=(0,o.getInheritableProperty)({dict:t,key:"MaxLen"});(!Number.isInteger(i)||i<0)&&(i=null);this.data.maxLen=i;this.data.multiLine=this.hasFieldFlag(a.AnnotationFieldFlag.MULTILINE);this.data.comb=this.hasFieldFlag(a.AnnotationFieldFlag.COMB)&&!this.hasFieldFlag(a.AnnotationFieldFlag.MULTILINE)&&!this.hasFieldFlag(a.AnnotationFieldFlag.PASSWORD)&&!this.hasFieldFlag(a.AnnotationFieldFlag.FILESELECT)&&null!==this.data.maxLen}_getCombAppearance(e,t,r,i,n){const s=(r/this.data.maxLen).toFixed(2),o=[];for(const e of t)o.push(`(${(0,a.escapeString)(e)}) Tj`);return"/Tx BMC q BT "+e+` 1 0 0 1 ${i} ${n} Tm ${o.join(` ${s} 0 Td `)} ET Q EMC`}_getMultilineAppearance(e,t,r,a,i,n,s,o,c){const l=t.split(/\r\n|\r|\n/),h=[],u=i-2*o;for(const e of l){const t=this._splitLine(e,r,a,u);for(const e of t){const t=0===h.length?o:0;h.push(this._renderText(e,r,a,i,s,t,-a))}}return"/Tx BMC q BT "+e+` 1 0 0 1 0 ${n} Tm ${h.join("\n")} ET Q EMC`}_splitLine(e,t,r,a){if(e.length<=1)return[e];const i=r/1e3,n=t.charsToGlyphs(" ",!0)[0].width*i,s=[];let o=-1,c=0,l=0;for(let r=0,h=e.length;r<h;r++){const h=e.charAt(r);if(" "===h)if(l+n>a){s.push(e.substring(c,r));c=r;l=n;o=-1}else{l+=n;o=r}else{const n=t.charsToGlyphs(h,!1)[0].width*i;if(l+n>a)if(-1!==o){s.push(e.substring(c,o+1));c=r=o+1;o=-1;l=0}else{s.push(e.substring(c,r));c=r;l=n}else l+=n}}c<e.length&&s.push(e.substring(c,e.length));return s}}class ButtonWidgetAnnotation extends WidgetAnnotation{constructor(e){super(e);this.checkedAppearance=null;this.uncheckedAppearance=null;this.data.checkBox=!this.hasFieldFlag(a.AnnotationFieldFlag.RADIO)&&!this.hasFieldFlag(a.AnnotationFieldFlag.PUSHBUTTON);this.data.radioButton=this.hasFieldFlag(a.AnnotationFieldFlag.RADIO)&&!this.hasFieldFlag(a.AnnotationFieldFlag.PUSHBUTTON);this.data.pushButton=this.hasFieldFlag(a.AnnotationFieldFlag.PUSHBUTTON);this.data.checkBox?this._processCheckBox(e):this.data.radioButton?this._processRadioButton(e):this.data.pushButton?this._processPushButton(e):(0,a.warn)("Invalid field flags for button widget annotation")}getOperatorList(e,t,r,a){if(this.data.pushButton)return super.getOperatorList(e,t,!1,a);if(a){let i;i=a[this.data.id]||!1?this.checkedAppearance:this.uncheckedAppearance;if(i){const n=this.appearance;this.appearance=i;const s=super.getOperatorList(e,t,r,a);this.appearance=n;return s}return Promise.resolve(new c.OperatorList)}return super.getOperatorList(e,t,r,a)}async save(e,t,r){return this.data.checkBox?this._saveCheckbox(e,t,r):this.data.radioButton?this._saveRadioButton(e,t,r):super.save(e,t,r)}async _saveCheckbox(e,t,r){const i=this.data.fieldValue&&"Off"!==this.data.fieldValue,s=r[this.data.id];if(i===s)return null;const o=e.xref.fetchIfRef(this.ref);if(!(0,n.isDict)(o))return null;const c=n.Name.get(s?this.data.exportValue:"Off");o.set("V",c);o.set("AS",c);o.set("M","D:"+(0,a.getModificationDate)());const l=e.xref.encrypt;let u=null;l&&(u=l.createCipherTransform(this.ref.num,this.ref.gen));const d=[`${this.ref.num} ${this.ref.gen} obj\n`];(0,h.writeDict)(o,d,u);d.push("\nendobj\n");return[{ref:this.ref,data:d.join("")}]}async _saveRadioButton(e,t,r){const i=this.data.fieldValue===this.data.buttonValue,s=r[this.data.id];if(i===s)return null;const o=e.xref.fetchIfRef(this.ref);if(!(0,n.isDict)(o))return null;const c=n.Name.get(s?this.data.buttonValue:"Off");let l=null;const u=e.xref.encrypt;if(s)if((0,n.isRef)(this.parent)){const t=e.xref.fetch(this.parent);let r=null;u&&(r=u.createCipherTransform(this.parent.num,this.parent.gen));t.set("V",c);l=[`${this.parent.num} ${this.parent.gen} obj\n`];(0,h.writeDict)(t,l,r);l.push("\nendobj\n")}else(0,n.isDict)(this.parent)&&this.parent.set("V",c);o.set("AS",c);o.set("M","D:"+(0,a.getModificationDate)());let d=null;u&&(d=u.createCipherTransform(this.ref.num,this.ref.gen));const f=[`${this.ref.num} ${this.ref.gen} obj\n`];(0,h.writeDict)(o,f,d);f.push("\nendobj\n");const g=[{ref:this.ref,data:f.join("")}];null!==l&&g.push({ref:this.parent,data:l.join("")});return g}_processCheckBox(e){const t=e.dict.get("AP");if(!(0,n.isDict)(t))return;const r=t.get("N");if(!(0,n.isDict)(r))return;const a=r.getKeys();a.includes("Off")||a.push("Off");if(2===a.length){this.data.exportValue="Off"===a[0]?a[1]:a[0];this.checkedAppearance=r.get(this.data.exportValue);this.uncheckedAppearance=r.get("Off")||null}}_processRadioButton(e){this.data.fieldValue=this.data.buttonValue=null;const t=e.dict.get("Parent");if((0,n.isDict)(t)&&t.has("V")){const r=t.get("V");if((0,n.isName)(r)){this.parent=e.dict.getRaw("Parent");this.data.fieldValue=this._decodeFormValue(r)}}const r=e.dict.get("AP");if(!(0,n.isDict)(r))return;const a=r.get("N");if((0,n.isDict)(a)){for(const e of a.getKeys())if("Off"!==e){this.data.buttonValue=e;break}this.checkedAppearance=a.get(this.data.buttonValue);this.uncheckedAppearance=a.get("Off")||null}}_processPushButton(e){e.dict.has("A")?i.Catalog.parseDestDictionary({destDict:e.dict,resultObj:this.data,docBaseUrl:e.pdfManager.docBaseUrl}):(0,a.warn)("Push buttons without action dictionaries are not supported")}}class ChoiceWidgetAnnotation extends WidgetAnnotation{constructor(e){super(e);this.data.options=[];const t=(0,o.getInheritableProperty)({dict:e.dict,key:"Opt"});if(Array.isArray(t)){const r=e.xref;for(let e=0,a=t.length;e<a;e++){const a=r.fetchIfRef(t[e]),i=Array.isArray(a);this.data.options[e]={exportValue:this._decodeFormValue(i?r.fetchIfRef(a[0]):a),displayValue:this._decodeFormValue(i?r.fetchIfRef(a[1]):a)}}}(0,a.isString)(this.data.fieldValue)?this.data.fieldValue=[this.data.fieldValue]:this.data.fieldValue||(this.data.fieldValue=[]);this.data.combo=this.hasFieldFlag(a.AnnotationFieldFlag.COMBO);this.data.multiSelect=this.hasFieldFlag(a.AnnotationFieldFlag.MULTISELECT);this._hasText=!0}}class TextAnnotation extends MarkupAnnotation{constructor(e){super(e);const t=e.dict;this.data.annotationType=a.AnnotationType.TEXT;if(this.data.hasAppearance)this.data.name="NoIcon";else{this.data.rect[1]=this.data.rect[3]-22;this.data.rect[2]=this.data.rect[0]+22;this.data.name=t.has("Name")?t.get("Name").name:"Note"}if(t.has("State")){this.data.state=t.get("State")||null;this.data.stateModel=t.get("StateModel")||null}else{this.data.state=null;this.data.stateModel=null}}}class LinkAnnotation extends Annotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.LINK;const t=getQuadPoints(e.dict,this.rectangle);t&&(this.data.quadPoints=t);i.Catalog.parseDestDictionary({destDict:e.dict,resultObj:this.data,docBaseUrl:e.pdfManager.docBaseUrl})}}class PopupAnnotation extends Annotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.POPUP;let t=e.dict.get("Parent");if(!t){(0,a.warn)("Popup annotation has a missing or invalid parent annotation.");return}const r=t.get("Subtype");this.data.parentType=(0,n.isName)(r)?r.name:null;const i=e.dict.getRaw("Parent");this.data.parentId=(0,n.isRef)(i)?i.toString():null;const s=t.get("RT");(0,n.isName)(s,a.AnnotationReplyType.GROUP)&&(t=t.get("IRT"));if(t.has("M")){this.setModificationDate(t.get("M"));this.data.modificationDate=this.modificationDate}else this.data.modificationDate=null;if(t.has("C")){this.setColor(t.getArray("C"));this.data.color=this.color}else this.data.color=null;if(!this.viewable){const e=t.get("F");this._isViewable(e)&&this.setFlags(e)}this.data.title=(0,a.stringToPDFString)(t.get("T")||"");this.data.contents=(0,a.stringToPDFString)(t.get("Contents")||"")}}class FreeTextAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.FREETEXT}}class LineAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.LINE;this.data.lineCoordinates=a.Util.normalizeRect(e.dict.getArray("L"))}}class SquareAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.SQUARE}}class CircleAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.CIRCLE}}class PolylineAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.POLYLINE;const t=e.dict.getArray("Vertices");this.data.vertices=[];for(let e=0,r=t.length;e<r;e+=2)this.data.vertices.push({x:t[e],y:t[e+1]})}}class PolygonAnnotation extends PolylineAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.POLYGON}}class CaretAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.CARET}}class InkAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.INK;const t=e.xref,r=e.dict.getArray("InkList");this.data.inkLists=[];for(let e=0,a=r.length;e<a;++e){this.data.inkLists.push([]);for(let a=0,i=r[e].length;a<i;a+=2)this.data.inkLists[e].push({x:t.fetchIfRef(r[e][a]),y:t.fetchIfRef(r[e][a+1])})}}}class HighlightAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.HIGHLIGHT;const t=getQuadPoints(e.dict,this.rectangle);t&&(this.data.quadPoints=t)}}class UnderlineAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.UNDERLINE;const t=getQuadPoints(e.dict,this.rectangle);t&&(this.data.quadPoints=t)}}class SquigglyAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.SQUIGGLY;const t=getQuadPoints(e.dict,this.rectangle);t&&(this.data.quadPoints=t)}}class StrikeOutAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.STRIKEOUT;const t=getQuadPoints(e.dict,this.rectangle);t&&(this.data.quadPoints=t)}}class StampAnnotation extends MarkupAnnotation{constructor(e){super(e);this.data.annotationType=a.AnnotationType.STAMP}}class FileAttachmentAnnotation extends MarkupAnnotation{constructor(e){super(e);const t=new i.FileSpec(e.dict.get("FS"),e.xref);this.data.annotationType=a.AnnotationType.FILEATTACHMENT;this.data.file=t.serializable}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.OperatorList=void 0;var a=r(2),i=function QueueOptimizerClosure(){function addState(e,t,r,a,i){for(var n=e,s=0,o=t.length-1;s<o;s++){var c=t[s];n=n[c]||(n[c]=[])}n[t[t.length-1]]={checkFn:r,iterateFn:a,processFn:i}}var e=[];addState(e,[a.OPS.save,a.OPS.transform,a.OPS.paintInlineImageXObject,a.OPS.restore],null,(function iterateInlineImageGroup(e,t){var r=e.fnArray,i=(t-(e.iCurr-3))%4;switch(i){case 0:return r[t]===a.OPS.save;case 1:return r[t]===a.OPS.transform;case 2:return r[t]===a.OPS.paintInlineImageXObject;case 3:return r[t]===a.OPS.restore}throw new Error("iterateInlineImageGroup - invalid pos: "+i)}),(function foundInlineImageGroup(e,t){var r=e.fnArray,i=e.argsArray,n=e.iCurr,s=n-3,o=n-2,c=n-1,l=Math.min(Math.floor((t-s)/4),200);if(l<10)return t-(t-s)%4;var h,u=0,d=[],f=0,g=1,m=1;for(h=0;h<l;h++){var p=i[o+(h<<2)],b=i[c+(h<<2)][0];if(g+b.width>1e3){u=Math.max(u,g);m+=f+2;g=0;f=0}d.push({transform:p,x:g,y:m,w:b.width,h:b.height});g+=b.width+2;f=Math.max(f,b.height)}var y=Math.max(u,g)+1,v=m+f+1,w=new Uint8ClampedArray(y*v*4),k=y<<2;for(h=0;h<l;h++){var S=i[c+(h<<2)][0].data,C=d[h].w<<2,x=0,A=d[h].x+d[h].y*y<<2;w.set(S.subarray(0,C),A-k);for(var T=0,I=d[h].h;T<I;T++){w.set(S.subarray(x,x+C),A);x+=C;A+=k}w.set(S.subarray(x-C,x),A);for(;A>=0;){S[A-4]=S[A];S[A-3]=S[A+1];S[A-2]=S[A+2];S[A-1]=S[A+3];S[A+C]=S[A+C-4];S[A+C+1]=S[A+C-3];S[A+C+2]=S[A+C-2];S[A+C+3]=S[A+C-1];A-=k}}r.splice(s,4*l,a.OPS.paintInlineImageXObjectGroup);i.splice(s,4*l,[{width:y,height:v,kind:a.ImageKind.RGBA_32BPP,data:w},d]);return s+1}));addState(e,[a.OPS.save,a.OPS.transform,a.OPS.paintImageMaskXObject,a.OPS.restore],null,(function iterateImageMaskGroup(e,t){var r=e.fnArray,i=(t-(e.iCurr-3))%4;switch(i){case 0:return r[t]===a.OPS.save;case 1:return r[t]===a.OPS.transform;case 2:return r[t]===a.OPS.paintImageMaskXObject;case 3:return r[t]===a.OPS.restore}throw new Error("iterateImageMaskGroup - invalid pos: "+i)}),(function foundImageMaskGroup(e,t){var r,i=e.fnArray,n=e.argsArray,s=e.iCurr,o=s-3,c=s-2,l=s-1,h=Math.floor((t-o)/4);if((h=function handlePaintSolidColorImageMask(e,t,r,i){for(var n=e+2,s=0;s<t;s++){var o=i[n+4*s],c=1===o.length&&o[0];if(!c||1!==c.width||1!==c.height||c.data.length&&(1!==c.data.length||0!==c.data[0]))break;r[n+4*s]=a.OPS.paintSolidColorImageMask}return t-s}(o,h,i,n))<10)return t-(t-o)%4;var u,d,f=!1,g=n[l][0];const m=n[c][0],p=n[c][1],b=n[c][2],y=n[c][3];if(p===b){f=!0;u=c+4;var v=l+4;for(r=1;r<h;r++,u+=4,v+=4){d=n[u];if(n[v][0]!==g||d[0]!==m||d[1]!==p||d[2]!==b||d[3]!==y){r<10?f=!1:h=r;break}}}if(f){h=Math.min(h,1e3);var w=new Float32Array(2*h);u=c;for(r=0;r<h;r++,u+=4){d=n[u];w[r<<1]=d[4];w[1+(r<<1)]=d[5]}i.splice(o,4*h,a.OPS.paintImageMaskXObjectRepeat);n.splice(o,4*h,[g,m,p,b,y,w])}else{h=Math.min(h,100);var k=[];for(r=0;r<h;r++){d=n[c+(r<<2)];var S=n[l+(r<<2)][0];k.push({data:S.data,width:S.width,height:S.height,transform:d})}i.splice(o,4*h,a.OPS.paintImageMaskXObjectGroup);n.splice(o,4*h,[k])}return o+1}));addState(e,[a.OPS.save,a.OPS.transform,a.OPS.paintImageXObject,a.OPS.restore],(function(e){var t=e.argsArray,r=e.iCurr-2;return 0===t[r][1]&&0===t[r][2]}),(function iterateImageGroup(e,t){var r=e.fnArray,i=e.argsArray,n=(t-(e.iCurr-3))%4;switch(n){case 0:return r[t]===a.OPS.save;case 1:if(r[t]!==a.OPS.transform)return!1;var s=e.iCurr-2,o=i[s][0],c=i[s][3];return i[t][0]===o&&0===i[t][1]&&0===i[t][2]&&i[t][3]===c;case 2:if(r[t]!==a.OPS.paintImageXObject)return!1;var l=i[e.iCurr-1][0];return i[t][0]===l;case 3:return r[t]===a.OPS.restore}throw new Error("iterateImageGroup - invalid pos: "+n)}),(function(e,t){var r=e.fnArray,i=e.argsArray,n=e.iCurr,s=n-3,o=n-2,c=i[n-1][0],l=i[o][0],h=i[o][3],u=Math.min(Math.floor((t-s)/4),1e3);if(u<3)return t-(t-s)%4;for(var d=new Float32Array(2*u),f=o,g=0;g<u;g++,f+=4){var m=i[f];d[g<<1]=m[4];d[1+(g<<1)]=m[5]}var p=[c,l,h,d];r.splice(s,4*u,a.OPS.paintImageXObjectRepeat);i.splice(s,4*u,p);return s+1}));addState(e,[a.OPS.beginText,a.OPS.setFont,a.OPS.setTextMatrix,a.OPS.showText,a.OPS.endText],null,(function iterateShowTextGroup(e,t){var r=e.fnArray,i=e.argsArray,n=(t-(e.iCurr-4))%5;switch(n){case 0:return r[t]===a.OPS.beginText;case 1:return r[t]===a.OPS.setFont;case 2:return r[t]===a.OPS.setTextMatrix;case 3:if(r[t]!==a.OPS.showText)return!1;var s=e.iCurr-3,o=i[s][0],c=i[s][1];return i[t][0]===o&&i[t][1]===c;case 4:return r[t]===a.OPS.endText}throw new Error("iterateShowTextGroup - invalid pos: "+n)}),(function(e,t){var r=e.fnArray,a=e.argsArray,i=e.iCurr,n=i-4,s=i-3,o=i-2,c=i-1,l=i,h=a[s][0],u=a[s][1],d=Math.min(Math.floor((t-n)/5),1e3);if(d<3)return t-(t-n)%5;var f=n;if(n>=4&&r[n-4]===r[s]&&r[n-3]===r[o]&&r[n-2]===r[c]&&r[n-1]===r[l]&&a[n-4][0]===h&&a[n-4][1]===u){d++;f-=5}for(var g=f+4,m=1;m<d;m++){r.splice(g,3);a.splice(g,3);g+=2}return g+1}));function QueueOptimizer(e){this.queue=e;this.state=null;this.context={iCurr:0,fnArray:e.fnArray,argsArray:e.argsArray};this.match=null;this.lastProcessed=0}QueueOptimizer.prototype={_optimize(){const t=this.queue.fnArray;let r=this.lastProcessed,a=t.length,i=this.state,n=this.match;if(!i&&!n&&r+1===a&&!e[t[r]]){this.lastProcessed=a;return}const s=this.context;for(;r<a;){if(n){if((0,n.iterateFn)(s,r)){r++;continue}r=(0,n.processFn)(s,r+1);a=t.length;n=null;i=null;if(r>=a)break}i=(i||e)[t[r]];if(i&&!Array.isArray(i)){s.iCurr=r;r++;if(!i.checkFn||(0,i.checkFn)(s)){n=i;i=null}else i=null}else r++}this.state=i;this.match=n;this.lastProcessed=r},push(e,t){this.queue.fnArray.push(e);this.queue.argsArray.push(t);this._optimize()},flush(){for(;this.match;){const e=this.queue.fnArray.length;this.lastProcessed=(0,this.match.processFn)(this.context,e);this.match=null;this.state=null;this._optimize()}},reset(){this.state=null;this.match=null;this.lastProcessed=0}};return QueueOptimizer}(),n=function NullOptimizerClosure(){function NullOptimizer(e){this.queue=e}NullOptimizer.prototype={push(e,t){this.queue.fnArray.push(e);this.queue.argsArray.push(t)},flush(){},reset(){}};return NullOptimizer}(),s=function OperatorListClosure(){function OperatorList(e,t){this._streamSink=t;this.fnArray=[];this.argsArray=[];this.optimizer=t&&"oplist"!==e?new i(this):new n(this);this.dependencies=new Set;this._totalLength=0;this.weight=0;this._resolved=t?null:Promise.resolve()}OperatorList.prototype={get length(){return this.argsArray.length},get ready(){return this._resolved||this._streamSink.ready},get totalLength(){return this._totalLength+this.length},addOp(e,t){this.optimizer.push(e,t);this.weight++;this._streamSink&&(this.weight>=1e3||this.weight>=995&&(e===a.OPS.restore||e===a.OPS.endText))&&this.flush()},addDependency(e){if(!this.dependencies.has(e)){this.dependencies.add(e);this.addOp(a.OPS.dependency,[e])}},addDependencies(e){for(const t of e)this.addDependency(t)},addOpList(e){if(e instanceof OperatorList){for(const t of e.dependencies)this.dependencies.add(t);for(var t=0,r=e.length;t<r;t++)this.addOp(e.fnArray[t],e.argsArray[t])}else(0,a.warn)('addOpList - ignoring invalid "opList" parameter.')},getIR(){return{fnArray:this.fnArray,argsArray:this.argsArray,length:this.length}},get _transfers(){const e=[],{fnArray:t,argsArray:r,length:i}=this;for(let n=0;n<i;n++)switch(t[n]){case a.OPS.paintInlineImageXObject:case a.OPS.paintInlineImageXObjectGroup:case a.OPS.paintImageMaskXObject:const t=r[n][0];t.cached||e.push(t.data.buffer)}return e},flush(e=!1){this.optimizer.flush();const t=this.length;this._totalLength+=t;this._streamSink.enqueue({fnArray:this.fnArray,argsArray:this.argsArray,lastChunk:e,length:t},1,this._transfers);this.dependencies.clear();this.fnArray.length=0;this.argsArray.length=0;this.weight=0;this.optimizer.reset()}};return OperatorList}();t.OperatorList=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.writeDict=writeDict;t.incrementalUpdate=function incrementalUpdate(e,t,r){const s=new i.Dict(null),o=t.newRef;let c,l;const h=e[e.length-1];if(10===h||13===h){c=[];l=e.length}else{c=["\n"];l=e.length+1}s.set("Size",o.num+1);s.set("Prev",t.startXRef);s.set("Type",i.Name.get("XRef"));null!==t.rootRef&&s.set("Root",t.rootRef);null!==t.infoRef&&s.set("Info",t.infoRef);null!==t.encrypt&&s.set("Encrypt",t.encrypt);r.push({ref:o,data:""});r=r.sort((e,t)=>e.ref.num-t.ref.num);const u=[[0,1,65535]],d=[0,1];let f=0;for(const{ref:e,data:t}of r){f=Math.max(f,l);u.push([1,l,Math.min(e.gen,65535)]);l+=t.length;d.push(e.num);d.push(1);c.push(t)}s.set("Index",d);if(0!==t.fileIds.length){const e=function computeMD5(e,t){const r=Math.floor(Date.now()/1e3),i=t.filename||"",s=[r.toString(),i,e.toString()];let o=s.reduce((e,t)=>e+t.length,0);for(const e of Object.values(t.info)){s.push(e);o+=e.length}const c=new Uint8Array(o);let l=0;for(const e of s){writeString(e,l,c);l+=e.length}return(0,a.bytesToString)((0,n.calculateMD5)(c))}(l,t);s.set("ID",[t.fileIds[0],e])}const g=[1,Math.ceil(Math.log2(f)/8),2],m=(g[0]+g[1]+g[2])*u.length;s.set("W",g);s.set("Length",m);c.push(`${o.num} ${o.gen} obj\n`);writeDict(s,c,null);c.push(" stream\n");const p=c.reduce((e,t)=>e+t.length,0),b=`\nendstream\nendobj\nstartxref\n${l}\n%%EOF\n`,y=new Uint8Array(e.length+p+m+b.length);y.set(e);let v=e.length;for(const e of c){writeString(e,v,y);v+=e.length}for(const[e,t,r]of u){v=writeInt(e,g[0],v,y);v=writeInt(t,g[1],v,y);v=writeInt(r,g[2],v,y)}writeString(b,v,y);return y};var a=r(2),i=r(5),n=r(22);function writeDict(e,t,r){t.push("<<");for(const a of e.getKeys()){t.push(` /${a} `);writeValue(e.getRaw(a),t,r)}t.push(">>")}function writeValue(e,t,r){if((0,i.isName)(e))t.push("/"+e.name);else if((0,i.isRef)(e))t.push(`${e.num} ${e.gen} R`);else if(Array.isArray(e))!function writeArray(e,t,r){t.push("[");let a=!0;for(const i of e){a?a=!1:t.push(" ");writeValue(i,t,r)}t.push("]")}(e,t,r);else if("string"==typeof e){null!==r&&(e=r.encryptString(e));t.push(`(${(0,a.escapeString)(e)})`)}else"number"==typeof e?t.push(function numberToString(e){if(Number.isInteger(e))return e.toString();const t=Math.round(100*e);return t%100==0?(t/100).toString():t%10==0?e.toFixed(1):e.toFixed(2)}(e)):(0,i.isDict)(e)?writeDict(e,t,r):(0,i.isStream)(e)&&function writeStream(e,t,r){writeDict(e.dict,t,r);t.push(" stream\n");let i=(0,a.bytesToString)(e.getBytes());null!==r&&(i=r.encryptString(i));t.push(i);t.push("\nendstream\n")}(e,t,r)}function writeInt(e,t,r,a){for(let i=t+r-1;i>r-1;i--){a[i]=255&e;e>>=8}return r+t}function writeString(e,t,r){for(let a=0,i=e.length;a<i;a++)r[t+a]=255&e.charCodeAt(a)}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PartialEvaluator=void 0;var a=r(2),i=r(29),n=r(5),s=r(30),o=r(33),c=r(8),l=r(36),h=r(35),u=r(39),d=r(40),f=r(11),g=r(24),m=r(42),p=r(23),b=r(12),y=r(34),v=r(43),w=r(44),k=r(26),S=r(45);const C=Object.freeze({maxImageSize:-1,disableFontFace:!1,ignoreErrors:!1,isEvalSupported:!0,fontExtraProperties:!1}),x=1,A=2,T=Promise.resolve();function normalizeBlendMode(e,t=!1){if(Array.isArray(e)){for(let t=0,r=e.length;t<r;t++){const r=normalizeBlendMode(e[t],!0);if(r)return r}(0,a.warn)("Unsupported blend mode Array: "+e);return"source-over"}if(!(0,n.isName)(e))return t?null:"source-over";switch(e.name){case"Normal":case"Compatible":return"source-over";case"Multiply":return"multiply";case"Screen":return"screen";case"Overlay":return"overlay";case"Darken":return"darken";case"Lighten":return"lighten";case"ColorDodge":return"color-dodge";case"ColorBurn":return"color-burn";case"HardLight":return"hard-light";case"SoftLight":return"soft-light";case"Difference":return"difference";case"Exclusion":return"exclusion";case"Hue":return"hue";case"Saturation":return"saturation";case"Color":return"color";case"Luminosity":return"luminosity"}if(t)return null;(0,a.warn)("Unsupported blend mode: "+e.name);return"source-over"}class TimeSlotManager{static get TIME_SLOT_DURATION_MS(){return(0,a.shadow)(this,"TIME_SLOT_DURATION_MS",20)}static get CHECK_TIME_EVERY(){return(0,a.shadow)(this,"CHECK_TIME_EVERY",100)}constructor(){this.reset()}check(){if(++this.checked<TimeSlotManager.CHECK_TIME_EVERY)return!1;this.checked=0;return this.endTime<=Date.now()}reset(){this.endTime=Date.now()+TimeSlotManager.TIME_SLOT_DURATION_MS;this.checked=0}}class PartialEvaluator{constructor({xref:e,handler:t,pageIndex:r,idFactory:a,fontCache:i,builtInCMapCache:n,globalImageCache:s,options:o=null}){this.xref=e;this.handler=t;this.pageIndex=r;this.idFactory=a;this.fontCache=i;this.builtInCMapCache=n;this.globalImageCache=s;this.options=o||C;this.parsingType3Font=!1;this._fetchBuiltInCMapBound=this.fetchBuiltInCMap.bind(this)}get _pdfFunctionFactory(){const e=new d.PDFFunctionFactory({xref:this.xref,isEvalSupported:this.options.isEvalSupported});return(0,a.shadow)(this,"_pdfFunctionFactory",e)}clone(e=C){var t=Object.create(this);t.options=e;return t}hasBlendModes(e){if(!(e instanceof n.Dict))return!1;const t=new n.RefSet;e.objId&&t.put(e.objId);for(var r=[e],i=this.xref;r.length;){var s=r.shift(),o=s.get("ExtGState");if(o instanceof n.Dict)for(let e of o.getRawValues()){if(e instanceof n.Ref){if(t.has(e))continue;try{e=i.fetch(e)}catch(r){if(r instanceof c.MissingDataException)throw r;t.put(e);(0,a.info)(`hasBlendModes - ignoring ExtGState: "${r}".`);continue}}if(!(e instanceof n.Dict))continue;e.objId&&t.put(e.objId);const r=e.get("BM");if(r instanceof n.Name){if("Normal"!==r.name)return!0}else if(void 0!==r&&Array.isArray(r))for(const e of r)if(e instanceof n.Name&&"Normal"!==e.name)return!0}var l=s.get("XObject");if(l instanceof n.Dict)for(let e of l.getRawValues()){if(e instanceof n.Ref){if(t.has(e))continue;try{e=i.fetch(e)}catch(r){if(r instanceof c.MissingDataException)throw r;t.put(e);(0,a.info)(`hasBlendModes - ignoring XObject: "${r}".`);continue}}if((0,n.isStream)(e)){e.dict.objId&&t.put(e.dict.objId);var h=e.dict.get("Resources");if(h instanceof n.Dict&&(!h.objId||!t.has(h.objId))){r.push(h);h.objId&&t.put(h.objId)}}}}return!1}async fetchBuiltInCMap(e){const t=this.builtInCMapCache.get(e);if(t)return t;const r=this.handler.sendWithStream("FetchBuiltInCMap",{name:e}).getReader(),i=await new Promise((function(e,t){!function pump(){r.read().then((function({value:t,done:r}){if(!r){e(t);pump()}}),t)}()}));i.compressionType!==a.CMapCompressionType.NONE&&this.builtInCMapCache.set(e,i);return i}async buildFormXObject(e,t,r,i,s,o,c){var l=t.dict,h=l.getArray("Matrix"),u=l.getArray("BBox");u=Array.isArray(u)&&4===u.length?a.Util.normalizeRect(u):null;let d=null;if(l.has("OC")){d=await this.parseMarkedContentProps(l.get("OC"),e);i.addOp(a.OPS.beginMarkedContentProps,["OC",d])}var f=l.get("Group");if(f){var g={matrix:h,bbox:u,smask:r,isolated:!1,knockout:!1},m=f.get("S"),b=null;if((0,n.isName)(m,"Transparency")){g.isolated=f.get("I")||!1;g.knockout=f.get("K")||!1;if(f.has("CS")){const t=f.getRaw("CS"),r=p.ColorSpace.getCached(t,this.xref,c);b=r||await this.parseColorSpace({cs:t,resources:e,localColorSpaceCache:c})}}if(r&&r.backdrop){b=b||p.ColorSpace.singletons.rgb;r.backdrop=b.getRgb(r.backdrop,0)}i.addOp(a.OPS.beginGroup,[g])}i.addOp(a.OPS.paintFormXObjectBegin,[h,u]);return this.getOperatorList({stream:t,task:s,resources:l.get("Resources")||e,operatorList:i,initialState:o}).then((function(){i.addOp(a.OPS.paintFormXObjectEnd,[]);f&&i.addOp(a.OPS.endGroup,[g]);d&&i.addOp(a.OPS.endMarkedContent,[])}))}_sendImgData(e,t,r=!1){const a=t?[t.data.buffer]:null;return this.parsingType3Font||r?this.handler.send("commonobj",[e,"Image",t],a):this.handler.send("obj",[e,this.pageIndex,"Image",t],a)}async buildPaintImageXObject({resources:e,image:t,isInline:r=!1,operatorList:i,cacheKey:n,localImageCache:s,localColorSpaceCache:o}){var c=t.dict;const l=c.objId;var h=c.get("Width","W"),u=c.get("Height","H");if(!(h&&(0,a.isNum)(h)&&u&&(0,a.isNum)(u))){(0,a.warn)("Image dimensions are missing, or not numbers.");return}var d,f,g=this.options.maxImageSize;if(-1!==g&&h*u>g){(0,a.warn)("Image exceeded maximum allowed size and was removed.");return}if(c.get("ImageMask","IM")||!1){var m=c.get("Width","W"),p=c.get("Height","H"),y=m+7>>3,v=t.getBytes(y*p,!0),w=c.getArray("Decode","D");(d=S.PDFImage.createMask({imgArray:v,width:m,height:p,imageIsFromDecodeStream:t instanceof b.DecodeStream,inverseDecode:!!w&&w[0]>0})).cached=!!n;f=[d];i.addOp(a.OPS.paintImageMaskXObject,f);n&&s.set(n,l,{fn:a.OPS.paintImageMaskXObject,args:f});return}var k=c.get("SMask","SM")||!1,C=c.get("Mask")||!1;if(r&&!k&&!C&&h+u<200){const n=new S.PDFImage({xref:this.xref,res:e,image:t,isInline:r,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:o});d=n.createImageData(!0);i.addOp(a.OPS.paintInlineImageXObject,[d]);return}let x="img_"+this.idFactory.createObjId(),A=!1;if(this.parsingType3Font)x=`${this.idFactory.getDocId()}_type3_${x}`;else if(l){A=this.globalImageCache.shouldCache(l,this.pageIndex);A&&(x=`${this.idFactory.getDocId()}_${x}`)}i.addDependency(x);f=[x,h,u];S.PDFImage.buildImage({xref:this.xref,res:e,image:t,isInline:r,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:o}).then(e=>{d=e.createImageData(!1);return this._sendImgData(x,d,A)}).catch(e=>{(0,a.warn)(`Unable to decode image "${x}": "${e}".`);return this._sendImgData(x,null,A)});i.addOp(a.OPS.paintImageXObject,f);if(n){s.set(n,l,{fn:a.OPS.paintImageXObject,args:f});if(l){(0,a.assert)(!r,"Cannot cache an inline image globally.");this.globalImageCache.addPageIndex(l,this.pageIndex);A&&this.globalImageCache.setData(l,{objId:x,fn:a.OPS.paintImageXObject,args:f})}}}handleSMask(e,t,r,a,i,n){var s=e.get("G"),o={subtype:e.get("S").name,backdrop:e.get("BC")},c=e.get("TR");if((0,d.isPDFFunction)(c)){const e=this._pdfFunctionFactory.create(c);for(var l=new Uint8Array(256),h=new Float32Array(1),u=0;u<256;u++){h[0]=u/255;e(h,0,h,0);l[u]=255*h[0]|0}o.transferMap=l}return this.buildFormXObject(t,s,o,r,a,i.state.clone(),n)}handleTransferFunction(e){let t;if(Array.isArray(e))t=e;else{if(!(0,d.isPDFFunction)(e))return null;t=[e]}const r=[];let a=0,i=0;for(const e of t){const t=this.xref.fetchIfRef(e);a++;if((0,n.isName)(t,"Identity")){r.push(null);continue}if(!(0,d.isPDFFunction)(t))return null;const s=this._pdfFunctionFactory.create(t),o=new Uint8Array(256),c=new Float32Array(1);for(let e=0;e<256;e++){c[0]=e/255;s(c,0,c,0);o[e]=255*c[0]|0}r.push(o);i++}return 1!==a&&4!==a||0===i?null:r}handleTilingType(e,t,r,i,s,o,c){const l=new k.OperatorList,h=n.Dict.merge({xref:this.xref,dictArray:[s.get("Resources"),r]});return this.getOperatorList({stream:i,task:c,resources:h,operatorList:l}).then((function(){return(0,u.getTilingPatternIR)({fnArray:l.fnArray,argsArray:l.argsArray},s,t)})).then((function(t){o.addDependencies(l.dependencies);o.addOp(e,t)}),e=>{if(!(e instanceof a.AbortException)){if(!this.options.ignoreErrors)throw e;this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorTilingPattern});(0,a.warn)(`handleTilingType - ignoring pattern: "${e}".`)}})}handleSetFont(e,t,r,i,n,o){var c,l=0;if(t){t=t.slice();c=t[0].name;l=t[1]}return this.loadFont(c,r,e).then(t=>t.font.isType3Font?t.loadType3Data(this,e,n).then((function(){i.addDependencies(t.type3Dependencies);return t})).catch(e=>{this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorFontLoadType3});return new TranslatedFont({loadedName:"g_font_error",font:new s.ErrorFont("Type3 font load error: "+e),dict:t.font,extraProperties:this.options.fontExtraProperties})}):t).then(e=>{o.font=e.font;o.fontSize=l;o.fontName=c;e.send(this.handler);return e.loadedName})}handleText(e,t){const r=t.font,i=r.charsToGlyphs(e);if(r.data){(!!(t.textRenderingMode&a.TextRenderingMode.ADD_TO_PATH_FLAG)||"Pattern"===t.fillColorSpace.name||r.disableFontFace||this.options.disableFontFace)&&PartialEvaluator.buildFontPaths(r,i,this.handler)}return i}ensureStateFont(e){if(e.font)return;const t=new a.FormatError("Missing setFont (Tf) operator before text rendering operator.");if(!this.options.ignoreErrors)throw t;this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorFontState});(0,a.warn)(`ensureStateFont: "${t}".`)}async setGState({resources:e,gState:t,operatorList:r,cacheKey:i,task:s,stateManager:o,localGStateCache:c,localColorSpaceCache:l}){const h=t.objId;let u=!0;for(var d=[],f=t.getKeys(),g=Promise.resolve(),m=0,p=f.length;m<p;m++){const i=f[m],c=t.get(i);switch(i){case"Type":break;case"LW":case"LC":case"LJ":case"ML":case"D":case"RI":case"FL":case"CA":case"ca":d.push([i,c]);break;case"Font":u=!1;g=g.then(()=>this.handleSetFont(e,null,c[0],r,s,o.state).then((function(e){r.addDependency(e);d.push([i,[e,c[1]]])})));break;case"BM":d.push([i,normalizeBlendMode(c)]);break;case"SMask":if((0,n.isName)(c,"None")){d.push([i,!1]);break}if((0,n.isDict)(c)){u=!1;g=g.then(()=>this.handleSMask(c,e,r,s,o,l));d.push([i,!0])}else(0,a.warn)("Unsupported SMask type");break;case"TR":const t=this.handleTransferFunction(c);d.push([i,t]);break;case"OP":case"op":case"OPM":case"BG":case"BG2":case"UCR":case"UCR2":case"TR2":case"HT":case"SM":case"SA":case"AIS":case"TK":(0,a.info)("graphic state operator "+i);break;default:(0,a.info)("Unknown graphic state operator "+i)}}return g.then((function(){d.length>0&&r.addOp(a.OPS.setGState,[d]);u&&c.set(i,h,d)}))}loadFont(e,t,r){const errorFont=()=>Promise.resolve(new TranslatedFont({loadedName:"g_font_error",font:new s.ErrorFont(`Font "${e}" is not available.`),dict:t,extraProperties:this.options.fontExtraProperties}));var i,o=this.xref;if(t){if(!(0,n.isRef)(t))throw new a.FormatError('The "font" object should be a reference.');i=t}else{var c=r.get("Font");c&&(i=c.getRaw(e))}if(!i){const r=`Font "${e||t&&t.toString()}" is not available`;if(!this.options.ignoreErrors&&!this.parsingType3Font){(0,a.warn)(r+".");return errorFont()}this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorFontMissing});(0,a.warn)(r+" -- attempting to fallback to a default font.");i=PartialEvaluator.fallbackFontDict}if(this.fontCache.has(i))return this.fontCache.get(i);t=o.fetchIfRef(i);if(!(0,n.isDict)(t))return errorFont();if(t.translated)return t.translated;var l=(0,a.createPromiseCapability)(),h=this.preEvaluateFont(t);const{descriptor:u,hash:d}=h;var f,g,m=(0,n.isRef)(i);m&&(f="f"+i.toString());if(d&&(0,n.isDict)(u)){u.fontAliases||(u.fontAliases=Object.create(null));var p=u.fontAliases;if(p[d]){var b=p[d].aliasRef;if(m&&b&&this.fontCache.has(b)){this.fontCache.putAlias(i,b);return this.fontCache.get(i)}}else p[d]={fontID:this.idFactory.createFontId()};m&&(p[d].aliasRef=i);f=p[d].fontID}if(m)this.fontCache.put(i,l.promise);else{f||(f=this.idFactory.createFontId());this.fontCache.put("id_"+f,l.promise)}(0,a.assert)(f&&f.startsWith("f"),'The "fontID" must be (correctly) defined.');t.loadedName=`${this.idFactory.getDocId()}_${f}`;t.translated=l.promise;try{g=this.translateFont(h)}catch(e){g=Promise.reject(e)}g.then(e=>{if(void 0!==e.fontType){o.stats.fontTypes[e.fontType]=!0}l.resolve(new TranslatedFont({loadedName:t.loadedName,font:e,dict:t,extraProperties:this.options.fontExtraProperties}))}).catch(e=>{this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorFontTranslate});try{var r=u&&u.get("FontFile3"),i=r&&r.get("Subtype"),n=(0,s.getFontType)(h.type,i&&i.name);o.stats.fontTypes[n]=!0}catch(e){}l.resolve(new TranslatedFont({loadedName:t.loadedName,font:new s.ErrorFont(e instanceof Error?e.message:e),dict:t,extraProperties:this.options.fontExtraProperties}))});return l.promise}buildPath(e,t,r,i=!1){var n=e.length-1;r||(r=[]);if(n<0||e.fnArray[n]!==a.OPS.constructPath){if(i){(0,a.warn)(`Encountered path operator "${t}" inside of a text object.`);e.addOp(a.OPS.save,null)}e.addOp(a.OPS.constructPath,[[t],r]);i&&e.addOp(a.OPS.restore,null)}else{var s=e.argsArray[n];s[0].push(t);Array.prototype.push.apply(s[1],r)}}parseColorSpace({cs:e,resources:t,localColorSpaceCache:r}){return p.ColorSpace.parseAsync({cs:e,xref:this.xref,resources:t,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:r}).catch(e=>{if(e instanceof a.AbortException)return null;if(this.options.ignoreErrors){this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorColorSpace});(0,a.warn)(`parseColorSpace - ignoring ColorSpace: "${e}".`);return null}throw e})}async handleColorN(e,t,r,i,s,o,c,l){var h,d=r[r.length-1];if((0,n.isName)(d)&&(h=s.get(d.name))){var f=(0,n.isStream)(h)?h.dict:h,g=f.get("PatternType");if(g===x){var m=i.base?i.base.getRgb(r,0):null;return this.handleTilingType(t,m,o,h,f,e,c)}if(g===A){var p=f.get("Shading"),b=f.getArray("Matrix");h=u.Pattern.parseShading(p,b,this.xref,o,this.handler,this._pdfFunctionFactory,l);e.addOp(t,h.getIR());return}throw new a.FormatError("Unknown PatternType: "+g)}throw new a.FormatError("Unknown PatternName: "+d)}async parseMarkedContentProps(e,t){let r;if((0,n.isName)(e)){r=t.get("Properties").get(e.name)}else{if(!(0,n.isDict)(e))throw new a.FormatError("Optional content properties malformed.");r=e}const i=r.get("Type").name;if("OCG"===i)return{type:i,id:r.objId};if("OCMD"===i){const e=r.get("OCGs");if(Array.isArray(e)||(0,n.isDict)(e)){const t=[];Array.isArray(e)?r.get("OCGs").forEach(e=>{t.push(e.toString())}):t.push(e.objId);let a=null;r.get("VE")&&(a=!0);return{type:i,ids:t,policy:(0,n.isName)(r.get("P"))?r.get("P").name:null,expression:a}}if((0,n.isRef)(e))return{type:i,id:e.toString()}}return null}getOperatorList({stream:e,task:t,resources:r,operatorList:i,initialState:s=null}){r=r||n.Dict.empty;s=s||new EvalState;if(!i)throw new Error('getOperatorList: missing "operatorList" parameter');var o=this,c=this.xref;let l=!1;const h=new g.LocalImageCache,d=new g.LocalColorSpaceCache,f=new g.LocalGStateCache;var m=r.get("XObject")||n.Dict.empty,b=r.get("Pattern")||n.Dict.empty,y=new StateManager(s),v=new EvaluatorPreprocessor(e,c,y),w=new TimeSlotManager;function closePendingRestoreOPS(e){for(var t=0,r=v.savedStatesDepth;t<r;t++)i.addOp(a.OPS.restore,[])}return new Promise((function promiseBody(e,s){const next=function(t){Promise.all([t,i.ready]).then((function(){try{promiseBody(e,s)}catch(e){s(e)}}),s)};t.ensureNotTerminated();w.reset();for(var g,k,S,C,x,A={};!(g=w.check());){A.args=null;if(!v.read(A))break;var I=A.args,F=A.fn;switch(0|F){case a.OPS.paintXObject:if(x=I[0].name){const e=h.getByName(x);if(e){i.addOp(e.fn,e.args);I=null;continue}}next(new Promise((function(e,s){if(!x)throw new a.FormatError("XObject must be referred to by name.");let l=m.getRaw(x);if(l instanceof n.Ref){const t=h.getByRef(l);if(t){i.addOp(t.fn,t.args);e();return}const r=o.globalImageCache.getData(l,o.pageIndex);if(r){i.addDependency(r.objId);i.addOp(r.fn,r.args);e();return}l=c.fetch(l)}if(!(0,n.isStream)(l))throw new a.FormatError("XObject should be a stream");const u=l.dict.get("Subtype");if(!(0,n.isName)(u))throw new a.FormatError("XObject should have a Name subtype");if("Form"!==u.name)if("Image"!==u.name){if("PS"!==u.name)throw new a.FormatError("Unhandled XObject subtype "+u.name);(0,a.info)("Ignored XObject subtype PS");e()}else o.buildPaintImageXObject({resources:r,image:l,operatorList:i,cacheKey:x,localImageCache:h,localColorSpaceCache:d}).then(e,s);else{y.save();o.buildFormXObject(r,l,null,i,t,y.state.clone(),d).then((function(){y.restore();e()}),s)}})).catch((function(e){if(!(e instanceof a.AbortException)){if(!o.options.ignoreErrors)throw e;o.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorXObject});(0,a.warn)(`getOperatorList - ignoring XObject: "${e}".`)}})));return;case a.OPS.setFont:var P=I[1];next(o.handleSetFont(r,I,null,i,t,y.state).then((function(e){i.addDependency(e);i.addOp(a.OPS.setFont,[e,P])})));return;case a.OPS.beginText:l=!0;break;case a.OPS.endText:l=!1;break;case a.OPS.endInlineImage:var E=I[0].cacheKey;if(E){const e=h.getByName(E);if(e){i.addOp(e.fn,e.args);I=null;continue}}next(o.buildPaintImageXObject({resources:r,image:I[0],isInline:!0,operatorList:i,cacheKey:E,localImageCache:h,localColorSpaceCache:d}));return;case a.OPS.showText:if(!y.state.font){o.ensureStateFont(y.state);continue}I[0]=o.handleText(I[0],y.state);break;case a.OPS.showSpacedText:if(!y.state.font){o.ensureStateFont(y.state);continue}var B=I[0],O=[],M=B.length,D=y.state;for(k=0;k<M;++k){var R=B[k];(0,a.isString)(R)?Array.prototype.push.apply(O,o.handleText(R,D)):(0,a.isNum)(R)&&O.push(R)}I[0]=O;F=a.OPS.showText;break;case a.OPS.nextLineShowText:if(!y.state.font){o.ensureStateFont(y.state);continue}i.addOp(a.OPS.nextLine);I[0]=o.handleText(I[0],y.state);F=a.OPS.showText;break;case a.OPS.nextLineSetSpacingShowText:if(!y.state.font){o.ensureStateFont(y.state);continue}i.addOp(a.OPS.nextLine);i.addOp(a.OPS.setWordSpacing,[I.shift()]);i.addOp(a.OPS.setCharSpacing,[I.shift()]);I[0]=o.handleText(I[0],y.state);F=a.OPS.showText;break;case a.OPS.setTextRenderingMode:y.state.textRenderingMode=I[0];break;case a.OPS.setFillColorSpace:{const e=p.ColorSpace.getCached(I[0],c,d);if(e){y.state.fillColorSpace=e;continue}next(o.parseColorSpace({cs:I[0],resources:r,localColorSpaceCache:d}).then((function(e){e&&(y.state.fillColorSpace=e)})));return}case a.OPS.setStrokeColorSpace:{const e=p.ColorSpace.getCached(I[0],c,d);if(e){y.state.strokeColorSpace=e;continue}next(o.parseColorSpace({cs:I[0],resources:r,localColorSpaceCache:d}).then((function(e){e&&(y.state.strokeColorSpace=e)})));return}case a.OPS.setFillColor:I=(C=y.state.fillColorSpace).getRgb(I,0);F=a.OPS.setFillRGBColor;break;case a.OPS.setStrokeColor:I=(C=y.state.strokeColorSpace).getRgb(I,0);F=a.OPS.setStrokeRGBColor;break;case a.OPS.setFillGray:y.state.fillColorSpace=p.ColorSpace.singletons.gray;I=p.ColorSpace.singletons.gray.getRgb(I,0);F=a.OPS.setFillRGBColor;break;case a.OPS.setStrokeGray:y.state.strokeColorSpace=p.ColorSpace.singletons.gray;I=p.ColorSpace.singletons.gray.getRgb(I,0);F=a.OPS.setStrokeRGBColor;break;case a.OPS.setFillCMYKColor:y.state.fillColorSpace=p.ColorSpace.singletons.cmyk;I=p.ColorSpace.singletons.cmyk.getRgb(I,0);F=a.OPS.setFillRGBColor;break;case a.OPS.setStrokeCMYKColor:y.state.strokeColorSpace=p.ColorSpace.singletons.cmyk;I=p.ColorSpace.singletons.cmyk.getRgb(I,0);F=a.OPS.setStrokeRGBColor;break;case a.OPS.setFillRGBColor:y.state.fillColorSpace=p.ColorSpace.singletons.rgb;I=p.ColorSpace.singletons.rgb.getRgb(I,0);break;case a.OPS.setStrokeRGBColor:y.state.strokeColorSpace=p.ColorSpace.singletons.rgb;I=p.ColorSpace.singletons.rgb.getRgb(I,0);break;case a.OPS.setFillColorN:if("Pattern"===(C=y.state.fillColorSpace).name){next(o.handleColorN(i,a.OPS.setFillColorN,I,C,b,r,t,d));return}I=C.getRgb(I,0);F=a.OPS.setFillRGBColor;break;case a.OPS.setStrokeColorN:if("Pattern"===(C=y.state.strokeColorSpace).name){next(o.handleColorN(i,a.OPS.setStrokeColorN,I,C,b,r,t,d));return}I=C.getRgb(I,0);F=a.OPS.setStrokeRGBColor;break;case a.OPS.shadingFill:var N=r.get("Shading");if(!N)throw new a.FormatError("No shading resource found");var L=N.get(I[0].name);if(!L)throw new a.FormatError("No shading object found");I=[u.Pattern.parseShading(L,null,c,r,o.handler,o._pdfFunctionFactory,d).getIR()];F=a.OPS.shadingFill;break;case a.OPS.setGState:if(x=I[0].name){const e=f.getByName(x);if(e){e.length>0&&i.addOp(a.OPS.setGState,[e]);I=null;continue}}next(new Promise((function(e,s){if(!x)throw new a.FormatError("GState must be referred to by name.");const c=r.get("ExtGState");if(!(c instanceof n.Dict))throw new a.FormatError("ExtGState should be a dictionary.");const l=c.get(x);if(!(l instanceof n.Dict))throw new a.FormatError("GState should be a dictionary.");o.setGState({resources:r,gState:l,operatorList:i,cacheKey:x,task:t,stateManager:y,localGStateCache:f,localColorSpaceCache:d}).then(e,s)})).catch((function(e){if(!(e instanceof a.AbortException)){if(!o.options.ignoreErrors)throw e;o.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorExtGState});(0,a.warn)(`getOperatorList - ignoring ExtGState: "${e}".`)}})));return;case a.OPS.moveTo:case a.OPS.lineTo:case a.OPS.curveTo:case a.OPS.curveTo2:case a.OPS.curveTo3:case a.OPS.closePath:case a.OPS.rectangle:o.buildPath(i,F,I,l);continue;case a.OPS.markPoint:case a.OPS.markPointProps:case a.OPS.beginCompat:case a.OPS.endCompat:continue;case a.OPS.beginMarkedContentProps:if(!(0,n.isName)(I[0])){(0,a.warn)("Expected name for beginMarkedContentProps arg0="+I[0]);continue}if("OC"===I[0].name){next(o.parseMarkedContentProps(I[1],r).then(e=>{i.addOp(a.OPS.beginMarkedContentProps,["OC",e])}).catch(e=>{if(!(e instanceof a.AbortException)){if(!o.options.ignoreErrors)throw e;o.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorMarkedContent});(0,a.warn)(`getOperatorList - ignoring beginMarkedContentProps: "${e}".`)}}));return}I=[I[0].name];break;case a.OPS.beginMarkedContent:case a.OPS.endMarkedContent:default:if(null!==I){for(k=0,S=I.length;k<S&&!(I[k]instanceof n.Dict);k++);if(k<S){(0,a.warn)("getOperatorList - ignoring operator: "+F);continue}}}i.addOp(F,I)}if(g)next(T);else{closePendingRestoreOPS();e()}})).catch(e=>{if(!(e instanceof a.AbortException)){if(!this.options.ignoreErrors)throw e;this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorOperatorList});(0,a.warn)(`getOperatorList - ignoring errors during "${t.name}" task: "${e}".`);closePendingRestoreOPS()}})}getTextContent({stream:e,task:t,resources:r,stateManager:i=null,normalizeWhitespace:s=!1,combineTextItems:o=!1,sink:c,seenStyles:h=Object.create(null)}){r=r||n.Dict.empty;i=i||new StateManager(new TextState);var u=/\s/g,d={items:[],styles:Object.create(null)},f={initialized:!1,str:[],width:0,height:0,vertical:!1,lastAdvanceWidth:0,lastAdvanceHeight:0,textAdvanceScale:0,spaceWidth:0,fakeSpaceMin:1/0,fakeMultiSpaceMin:1/0,fakeMultiSpaceMax:-0,textRunBreakAllowed:!1,transform:null,fontName:null},p=this,b=this.xref,y=null;const v=new g.LocalImageCache,w=new g.LocalGStateCache;var k,S=new EvaluatorPreprocessor(e,b,i);function ensureTextContentItem(){if(f.initialized)return f;var e=k.font;if(!(e.loadedName in h)){h[e.loadedName]=!0;d.styles[e.loadedName]={fontFamily:e.fallbackName,ascent:e.ascent,descent:e.descent,vertical:e.vertical}}f.fontName=e.loadedName;var t=[k.fontSize*k.textHScale,0,0,k.fontSize,0,k.textRise];if(e.isType3Font&&k.fontSize<=1&&!(0,a.isArrayEqual)(k.fontMatrix,a.FONT_IDENTITY_MATRIX)){const r=e.bbox[3]-e.bbox[1];r>0&&(t[3]*=r*k.fontMatrix[3])}var r=a.Util.transform(k.ctm,a.Util.transform(k.textMatrix,t));f.transform=r;if(e.vertical){f.width=Math.sqrt(r[0]*r[0]+r[1]*r[1]);f.height=0;f.vertical=!0}else{f.width=0;f.height=Math.sqrt(r[2]*r[2]+r[3]*r[3]);f.vertical=!1}var i=k.textLineMatrix[0],n=k.textLineMatrix[1],s=Math.sqrt(i*i+n*n);i=k.ctm[0];n=k.ctm[1];var o=Math.sqrt(i*i+n*n);f.textAdvanceScale=o*s;f.lastAdvanceWidth=0;f.lastAdvanceHeight=0;var c=e.spaceWidth/1e3*k.fontSize;if(c){f.spaceWidth=c;f.fakeSpaceMin=.3*c;f.fakeMultiSpaceMin=1.5*c;f.fakeMultiSpaceMax=4*c;f.textRunBreakAllowed=!e.isMonospace}else{f.spaceWidth=0;f.fakeSpaceMin=1/0;f.fakeMultiSpaceMin=1/0;f.fakeMultiSpaceMax=0;f.textRunBreakAllowed=!1}f.initialized=!0;return f}function replaceWhitespace(e){for(var t,r=0,a=e.length;r<a&&(t=e.charCodeAt(r))>=32&&t<=127;)r++;return r<a?e.replace(u," "):e}function handleSetFont(e,t){return p.loadFont(e,t,r).then((function(e){k.font=e.font;k.fontMatrix=e.font.fontMatrix||a.FONT_IDENTITY_MATRIX}))}function buildTextContentItem(e){for(var t=k.font,r=ensureTextContentItem(),a=0,i=0,n=t.charsToGlyphs(e),s=0;s<n.length;s++){var o=n[s],c=null;c=t.vertical&&o.vmetric?o.vmetric[0]:o.width;var h=o.unicode,u=(0,l.getNormalizedUnicodes)();void 0!==u[h]&&(h=u[h]);h=(0,l.reverseIfRtl)(h);var d=k.charSpacing;if(o.isSpace){var f=k.wordSpacing;d+=f;f>0&&addFakeSpaces(f,r.str)}var g=0,m=0;if(t.vertical){i+=m=c*k.fontMatrix[0]*k.fontSize+d}else{a+=g=(c*k.fontMatrix[0]*k.fontSize+d)*k.textHScale}k.translateTextMatrix(g,m);r.str.push(h)}if(t.vertical){r.lastAdvanceHeight=i;r.height+=Math.abs(i)}else{r.lastAdvanceWidth=a;r.width+=a}return r}function addFakeSpaces(e,t){if(!(e<f.fakeSpaceMin))if(e<f.fakeMultiSpaceMin)t.push(" ");else for(var r=Math.round(e/f.spaceWidth);r-- >0;)t.push(" ")}function flushTextContentItem(){if(f.initialized){f.vertical?f.height*=f.textAdvanceScale:f.width*=f.textAdvanceScale;d.items.push(function runBidiTransform(e){var t=e.str.join(""),r=(0,m.bidi)(t,-1,e.vertical);return{str:s?replaceWhitespace(r.str):r.str,dir:r.dir,width:e.width,height:e.height,transform:e.transform,fontName:e.fontName}}(f));f.initialized=!1;f.str.length=0}}function enqueueChunk(){const e=d.items.length;if(e>0){c.enqueue(d,e);d.items=[];d.styles=Object.create(null)}}var C=new TimeSlotManager;return new Promise((function promiseBody(e,l){const next=function(t){enqueueChunk();Promise.all([t,c.ready]).then((function(){try{promiseBody(e,l)}catch(e){l(e)}}),l)};t.ensureNotTerminated();C.reset();for(var u,g={},m=[];!(u=C.check());){m.length=0;g.args=m;if(!S.read(g))break;k=i.state;var x,A=g.fn;m=g.args;switch(0|A){case a.OPS.setFont:var I=m[0].name,F=m[1];if(k.font&&I===k.fontName&&F===k.fontSize)break;flushTextContentItem();k.fontName=I;k.fontSize=F;next(handleSetFont(I,null));return;case a.OPS.setTextRise:flushTextContentItem();k.textRise=m[0];break;case a.OPS.setHScale:flushTextContentItem();k.textHScale=m[0]/100;break;case a.OPS.setLeading:flushTextContentItem();k.leading=m[0];break;case a.OPS.moveText:var P=!!k.font&&0===(k.font.vertical?m[0]:m[1]);x=m[0]-m[1];if(o&&P&&f.initialized&&x>0&&x<=f.fakeMultiSpaceMax){k.translateTextLineMatrix(m[0],m[1]);f.width+=m[0]-f.lastAdvanceWidth;f.height+=m[1]-f.lastAdvanceHeight;addFakeSpaces(m[0]-f.lastAdvanceWidth-(m[1]-f.lastAdvanceHeight),f.str);break}flushTextContentItem();k.translateTextLineMatrix(m[0],m[1]);k.textMatrix=k.textLineMatrix.slice();break;case a.OPS.setLeadingMoveText:flushTextContentItem();k.leading=-m[1];k.translateTextLineMatrix(m[0],m[1]);k.textMatrix=k.textLineMatrix.slice();break;case a.OPS.nextLine:flushTextContentItem();k.carriageReturn();break;case a.OPS.setTextMatrix:x=k.calcTextLineMatrixAdvance(m[0],m[1],m[2],m[3],m[4],m[5]);if(o&&null!==x&&f.initialized&&x.value>0&&x.value<=f.fakeMultiSpaceMax){k.translateTextLineMatrix(x.width,x.height);f.width+=x.width-f.lastAdvanceWidth;f.height+=x.height-f.lastAdvanceHeight;addFakeSpaces(x.width-f.lastAdvanceWidth-(x.height-f.lastAdvanceHeight),f.str);break}flushTextContentItem();k.setTextMatrix(m[0],m[1],m[2],m[3],m[4],m[5]);k.setTextLineMatrix(m[0],m[1],m[2],m[3],m[4],m[5]);break;case a.OPS.setCharSpacing:k.charSpacing=m[0];break;case a.OPS.setWordSpacing:k.wordSpacing=m[0];break;case a.OPS.beginText:flushTextContentItem();k.textMatrix=a.IDENTITY_MATRIX.slice();k.textLineMatrix=a.IDENTITY_MATRIX.slice();break;case a.OPS.showSpacedText:if(!i.state.font){p.ensureStateFont(i.state);continue}for(var E,B=m[0],O=0,M=B.length;O<M;O++)if("string"==typeof B[O])buildTextContentItem(B[O]);else if((0,a.isNum)(B[O])){ensureTextContentItem();x=B[O]*k.fontSize/1e3;var D=!1;if(k.font.vertical){E=x;k.translateTextMatrix(0,E);(D=f.textRunBreakAllowed&&x>f.fakeMultiSpaceMax)||(f.height+=E)}else{E=(x=-x)*k.textHScale;k.translateTextMatrix(E,0);(D=f.textRunBreakAllowed&&x>f.fakeMultiSpaceMax)||(f.width+=E)}D?flushTextContentItem():x>0&&addFakeSpaces(x,f.str)}break;case a.OPS.showText:if(!i.state.font){p.ensureStateFont(i.state);continue}buildTextContentItem(m[0]);break;case a.OPS.nextLineShowText:if(!i.state.font){p.ensureStateFont(i.state);continue}flushTextContentItem();k.carriageReturn();buildTextContentItem(m[0]);break;case a.OPS.nextLineSetSpacingShowText:if(!i.state.font){p.ensureStateFont(i.state);continue}flushTextContentItem();k.wordSpacing=m[0];k.charSpacing=m[1];k.carriageReturn();buildTextContentItem(m[2]);break;case a.OPS.paintXObject:flushTextContentItem();y||(y=r.get("XObject")||n.Dict.empty);var R=m[0].name;if(R&&v.getByName(R))break;next(new Promise((function(e,l){if(!R)throw new a.FormatError("XObject must be referred to by name.");let u=y.getRaw(R);if(u instanceof n.Ref){if(v.getByRef(u)){e();return}u=b.fetch(u)}if(!(0,n.isStream)(u))throw new a.FormatError("XObject should be a stream");const d=u.dict.get("Subtype");if(!(0,n.isName)(d))throw new a.FormatError("XObject should have a Name subtype");if("Form"!==d.name){v.set(R,u.dict.objId,!0);e();return}const f=i.state.clone(),g=new StateManager(f),m=u.dict.getArray("Matrix");Array.isArray(m)&&6===m.length&&g.transform(m);enqueueChunk();const w={enqueueInvoked:!1,enqueue(e,t){this.enqueueInvoked=!0;c.enqueue(e,t)},get desiredSize(){return c.desiredSize},get ready(){return c.ready}};p.getTextContent({stream:u,task:t,resources:u.dict.get("Resources")||r,stateManager:g,normalizeWhitespace:s,combineTextItems:o,sink:w,seenStyles:h}).then((function(){w.enqueueInvoked||v.set(R,u.dict.objId,!0);e()}),l)})).catch((function(e){if(!(e instanceof a.AbortException)){if(!p.options.ignoreErrors)throw e;(0,a.warn)(`getTextContent - ignoring XObject: "${e}".`)}})));return;case a.OPS.setGState:if((R=m[0].name)&&w.getByName(R))break;next(new Promise((function(e,t){if(!R)throw new a.FormatError("GState must be referred to by name.");const i=r.get("ExtGState");if(!(i instanceof n.Dict))throw new a.FormatError("ExtGState should be a dictionary.");const s=i.get(R);if(!(s instanceof n.Dict))throw new a.FormatError("GState should be a dictionary.");const o=s.get("Font");if(o){flushTextContentItem();k.fontName=null;k.fontSize=o[1];handleSetFont(null,o[0]).then(e,t)}else{w.set(R,s.objId,!0);e()}})).catch((function(e){if(!(e instanceof a.AbortException)){if(!p.options.ignoreErrors)throw e;(0,a.warn)(`getTextContent - ignoring ExtGState: "${e}".`)}})));return}if(d.items.length>=c.desiredSize){u=!0;break}}if(u)next(T);else{flushTextContentItem();enqueueChunk();e()}})).catch(e=>{if(!(e instanceof a.AbortException)){if(!this.options.ignoreErrors)throw e;(0,a.warn)(`getTextContent - ignoring errors during "${t.name}" task: "${e}".`);flushTextContentItem();enqueueChunk()}})}extractDataStructures(e,t,r){const i=this.xref;let c;var l=e.get("ToUnicode")||t.get("ToUnicode"),h=l?this.readToUnicode(l):Promise.resolve(void 0);if(r.composite){var u=e.get("CIDSystemInfo");(0,n.isDict)(u)&&(r.cidSystemInfo={registry:(0,a.stringToPDFString)(u.get("Registry")),ordering:(0,a.stringToPDFString)(u.get("Ordering")),supplement:u.get("Supplement")});var d=e.get("CIDToGIDMap");(0,n.isStream)(d)&&(c=d.getBytes())}var f,g=[],m=null;if(e.has("Encoding")){f=e.get("Encoding");if((0,n.isDict)(f)){m=f.get("BaseEncoding");m=(0,n.isName)(m)?m.name:null;if(f.has("Differences"))for(var p=f.get("Differences"),b=0,y=0,v=p.length;y<v;y++){var w=i.fetchIfRef(p[y]);if((0,a.isNum)(w))b=w;else{if(!(0,n.isName)(w))throw new a.FormatError("Invalid entry in 'Differences' array: "+w);g[b++]=w.name}}}else{if(!(0,n.isName)(f))throw new a.FormatError("Encoding is not a Name nor a Dict");m=f.name}"MacRomanEncoding"!==m&&"MacExpertEncoding"!==m&&"WinAnsiEncoding"!==m&&(m=null)}if(m)r.defaultEncoding=(0,o.getEncoding)(m).slice();else{var k=!!(r.flags&s.FontFlags.Symbolic),S=!!(r.flags&s.FontFlags.Nonsymbolic);f=o.StandardEncoding;"TrueType"!==r.type||S||(f=o.WinAnsiEncoding);if(k){f=o.MacRomanEncoding;r.file||(/Symbol/i.test(r.name)?f=o.SymbolSetEncoding:/Dingbats|Wingdings/i.test(r.name)&&(f=o.ZapfDingbatsEncoding))}r.defaultEncoding=f}r.differences=g;r.baseEncodingName=m;r.hasEncoding=!!m||g.length>0;r.dict=e;return h.then(e=>{r.toUnicode=e;return this.buildToUnicode(r)}).then(e=>{r.toUnicode=e;c&&(r.cidToGidMap=this.readCidToGidMap(c,e));return r})}_buildSimpleFontToUnicode(e,t=!1){(0,a.assert)(!e.composite,"Must be a simple font.");const r=[],i=e.defaultEncoding.slice(),n=e.baseEncodingName,c=e.differences;for(const e in c){const t=c[e];".notdef"!==t&&(i[e]=t)}const h=(0,y.getGlyphsUnicode)();for(const a in i){let s=i[a];if(""!==s)if(void 0!==h[s])r[a]=String.fromCharCode(h[s]);else{let i=0;switch(s[0]){case"G":3===s.length&&(i=parseInt(s.substring(1),16));break;case"g":5===s.length&&(i=parseInt(s.substring(1),16));break;case"C":case"c":if(s.length>=3&&s.length<=4){const r=s.substring(1);if(t){i=parseInt(r,16);break}i=+r;if(Number.isNaN(i)&&Number.isInteger(parseInt(r,16)))return this._buildSimpleFontToUnicode(e,!0)}break;default:const r=(0,l.getUnicodeForGlyph)(s,h);-1!==r&&(i=r)}if(i>0&&i<=1114111&&Number.isInteger(i)){if(n&&i===+a){const e=(0,o.getEncoding)(n);if(e&&(s=e[a])){r[a]=String.fromCharCode(h[s]);continue}}r[a]=String.fromCodePoint(i)}}}return new s.ToUnicodeMap(r)}buildToUnicode(e){e.hasIncludedToUnicodeMap=!!e.toUnicode&&e.toUnicode.length>0;if(e.hasIncludedToUnicodeMap){!e.composite&&e.hasEncoding&&(e.fallbackToUnicode=this._buildSimpleFontToUnicode(e));return Promise.resolve(e.toUnicode)}if(!e.composite)return Promise.resolve(this._buildSimpleFontToUnicode(e));if(e.composite&&(e.cMap.builtInCMap&&!(e.cMap instanceof i.IdentityCMap)||"Adobe"===e.cidSystemInfo.registry&&("GB1"===e.cidSystemInfo.ordering||"CNS1"===e.cidSystemInfo.ordering||"Japan1"===e.cidSystemInfo.ordering||"Korea1"===e.cidSystemInfo.ordering))){const t=e.cidSystemInfo.registry,r=e.cidSystemInfo.ordering,o=n.Name.get(t+"-"+r+"-UCS2");return i.CMapFactory.create({encoding:o,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(t){const r=e.cMap,i=[];r.forEach((function(e,r){if(r>65535)throw new a.FormatError("Max size of CID is 65,535");const n=t.lookup(r);n&&(i[e]=String.fromCharCode((n.charCodeAt(0)<<8)+n.charCodeAt(1)))}));return new s.ToUnicodeMap(i)}))}return Promise.resolve(new s.IdentityToUnicodeMap(e.firstChar,e.lastChar))}readToUnicode(e){var t=e;return(0,n.isName)(t)?i.CMapFactory.create({encoding:t,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(e){return e instanceof i.IdentityCMap?new s.IdentityToUnicodeMap(0,65535):new s.ToUnicodeMap(e.getMap())})):(0,n.isStream)(t)?i.CMapFactory.create({encoding:t,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(e){if(e instanceof i.IdentityCMap)return new s.IdentityToUnicodeMap(0,65535);var t=new Array(e.length);e.forEach((function(e,r){for(var a=[],i=0;i<r.length;i+=2){var n=r.charCodeAt(i)<<8|r.charCodeAt(i+1);if(55296==(63488&n)){i+=2;var s=r.charCodeAt(i)<<8|r.charCodeAt(i+1);a.push(((1023&n)<<10)+(1023&s)+65536)}else a.push(n)}t[e]=String.fromCodePoint.apply(String,a)}));return new s.ToUnicodeMap(t)}),e=>{if(e instanceof a.AbortException)return null;if(this.options.ignoreErrors){this.handler.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.errorFontToUnicode});(0,a.warn)(`readToUnicode - ignoring ToUnicode data: "${e}".`);return null}throw e}):Promise.resolve(null)}readCidToGidMap(e,t){for(var r=[],a=0,i=e.length;a<i;a++){var n=e[a++]<<8|e[a];const i=a>>1;(0!==n||t.has(i))&&(r[i]=n)}return r}extractWidths(e,t,r){var a,i,o,c,l,h,u,d,f=this.xref,g=[],m=0,p=[];if(r.composite){m=e.has("DW")?e.get("DW"):1e3;if(d=e.get("W"))for(i=0,o=d.length;i<o;i++){h=f.fetchIfRef(d[i++]);u=f.fetchIfRef(d[i]);if(Array.isArray(u))for(c=0,l=u.length;c<l;c++)g[h++]=f.fetchIfRef(u[c]);else{var b=f.fetchIfRef(d[++i]);for(c=h;c<=u;c++)g[c]=b}}if(r.vertical){var y=e.getArray("DW2")||[880,-1e3];a=[y[1],.5*m,y[0]];if(y=e.get("W2"))for(i=0,o=y.length;i<o;i++){h=f.fetchIfRef(y[i++]);u=f.fetchIfRef(y[i]);if(Array.isArray(u))for(c=0,l=u.length;c<l;c++)p[h++]=[f.fetchIfRef(u[c++]),f.fetchIfRef(u[c++]),f.fetchIfRef(u[c])];else{var v=[f.fetchIfRef(y[++i]),f.fetchIfRef(y[++i]),f.fetchIfRef(y[++i])];for(c=h;c<=u;c++)p[c]=v}}}}else{var w=r.firstChar;if(d=e.get("Widths")){c=w;for(i=0,o=d.length;i<o;i++)g[c++]=f.fetchIfRef(d[i]);m=parseFloat(t.get("MissingWidth"))||0}else{var k=e.get("BaseFont");if((0,n.isName)(k)){var S=this.getBaseFontMetrics(k.name);g=this.buildCharCodeToWidth(S.widths,r);m=S.defaultWidth}}}var C=!0,x=m;for(var A in g){var T=g[A];if(T)if(x){if(x!==T){C=!1;break}}else x=T}C&&(r.flags|=s.FontFlags.FixedPitch);r.defaultWidth=m;r.widths=g;r.defaultVMetrics=a;r.vmetrics=p}isSerifFont(e){var t=e.split("-")[0];return t in(0,h.getSerifFonts)()||-1!==t.search(/serif/gi)}getBaseFontMetrics(e){var t=0,r=[],i=!1,n=(0,h.getStdFontMap)()[e]||e,s=(0,v.getMetrics)();n in s||(n=this.isSerifFont(e)?"Times-Roman":"Helvetica");var o=s[n];if((0,a.isNum)(o)){t=o;i=!0}else r=o();return{defaultWidth:t,monospace:i,widths:r}}buildCharCodeToWidth(e,t){for(var r=Object.create(null),a=t.differences,i=t.defaultEncoding,n=0;n<256;n++)n in a&&e[a[n]]?r[n]=e[a[n]]:n in i&&e[i[n]]&&(r[n]=e[i[n]]);return r}preEvaluateFont(e){var t=e,r=e.get("Subtype");if(!(0,n.isName)(r))throw new a.FormatError("invalid font Subtype");var i,s=!1;if("Type0"===r.name){var o=e.get("DescendantFonts");if(!o)throw new a.FormatError("Descendant fonts are not specified");r=(e=Array.isArray(o)?this.xref.fetchIfRef(o[0]):o).get("Subtype");if(!(0,n.isName)(r))throw new a.FormatError("invalid font Subtype");s=!0}var c=e.get("FontDescriptor");if(c){var l=new w.MurmurHash3_64,h=t.getRaw("Encoding");if((0,n.isName)(h))l.update(h.name);else if((0,n.isRef)(h))l.update(h.toString());else if((0,n.isDict)(h))for(const e of h.getRawValues())if((0,n.isName)(e))l.update(e.name);else if((0,n.isRef)(e))l.update(e.toString());else if(Array.isArray(e)){for(var u=e.length,d=new Array(u),f=0;f<u;f++){var g=e[f];(0,n.isName)(g)?d[f]=g.name:((0,a.isNum)(g)||(0,n.isRef)(g))&&(d[f]=g.toString())}l.update(d.join())}const r=e.get("FirstChar")||0,o=e.get("LastChar")||(s?65535:255);l.update(`${r}-${o}`);var m=e.get("ToUnicode")||t.get("ToUnicode");if((0,n.isStream)(m)){var p=m.str||m;i=p.buffer?new Uint8Array(p.buffer.buffer,0,p.bufferLength):new Uint8Array(p.bytes.buffer,p.start,p.end-p.start);l.update(i)}else(0,n.isName)(m)&&l.update(m.name);var b=e.get("Widths")||t.get("Widths");if(b){i=new Uint8Array(new Uint32Array(b).buffer);l.update(i)}}return{descriptor:c,dict:e,baseDict:t,composite:s,type:r.name,hash:l?l.hexdigest():""}}translateFont(e){var t,r=e.baseDict,o=e.dict,c=e.composite,l=e.descriptor,u=e.type,d=c?65535:255;const f=o.get("FirstChar")||0,g=o.get("LastChar")||d;if(!l){if("Type3"!==u){var m=o.get("BaseFont");if(!(0,n.isName)(m))throw new a.FormatError("Base font is not specified");m=m.name.replace(/[,_]/g,"-");var p=this.getBaseFontMetrics(m),b=m.split("-")[0],y=(this.isSerifFont(b)?s.FontFlags.Serif:0)|(p.monospace?s.FontFlags.FixedPitch:0)|((0,h.getSymbolsFonts)()[b]?s.FontFlags.Symbolic:s.FontFlags.Nonsymbolic);t={type:u,name:m,widths:p.widths,defaultWidth:p.defaultWidth,flags:y,firstChar:f,lastChar:g};const e=o.get("Widths");return this.extractDataStructures(o,o,t).then(t=>{if(e){const r=[];let a=f;for(let t=0,i=e.length;t<i;t++)r[a++]=this.xref.fetchIfRef(e[t]);t.widths=r}else t.widths=this.buildCharCodeToWidth(p.widths,t);return new s.Font(m,null,t)})}(l=new n.Dict(null)).set("FontName",n.Name.get(u));l.set("FontBBox",o.getArray("FontBBox")||[0,0,0,0])}var v=l.get("FontName"),w=o.get("BaseFont");(0,a.isString)(v)&&(v=n.Name.get(v));(0,a.isString)(w)&&(w=n.Name.get(w));if("Type3"!==u){var k=v&&v.name,S=w&&w.name;if(k!==S){(0,a.info)(`The FontDescriptor's FontName is "${k}" but should be the same as the Font's BaseFont "${S}".`);k&&S&&S.startsWith(k)&&(v=w)}}v=v||w;if(!(0,n.isName)(v))throw new a.FormatError("invalid font name");var C,x=l.get("FontFile","FontFile2","FontFile3");if(x&&x.dict){var A=x.dict.get("Subtype");A&&(A=A.name);var T=x.dict.get("Length1"),I=x.dict.get("Length2"),F=x.dict.get("Length3")}t={type:u,name:v.name,subtype:A,file:x,length1:T,length2:I,length3:F,loadedName:r.loadedName,composite:c,fixedPitch:!1,fontMatrix:o.getArray("FontMatrix")||a.FONT_IDENTITY_MATRIX,firstChar:f||0,lastChar:g||d,bbox:l.getArray("FontBBox"),ascent:l.get("Ascent"),descent:l.get("Descent"),xHeight:l.get("XHeight"),capHeight:l.get("CapHeight"),flags:l.get("Flags"),italicAngle:l.get("ItalicAngle"),isType3Font:!1};if(c){var P=r.get("Encoding");(0,n.isName)(P)&&(t.cidEncoding=P.name);C=i.CMapFactory.create({encoding:P,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(e){t.cMap=e;t.vertical=t.cMap.vertical}))}else C=Promise.resolve(void 0);return C.then(()=>this.extractDataStructures(o,r,t)).then(e=>{this.extractWidths(o,l,e);"Type3"===u&&(e.isType3Font=!0);return new s.Font(v.name,x,e)})}static buildFontPaths(e,t,r){function buildPath(t){e.renderer.hasBuiltPath(t)||r.send("commonobj",[`${e.loadedName}_path_${t}`,"FontPath",e.renderer.getPathJs(t)])}for(const e of t){buildPath(e.fontChar);const t=e.accent;t&&t.fontChar&&buildPath(t.fontChar)}}static get fallbackFontDict(){const e=new n.Dict;e.set("BaseFont",n.Name.get("PDFJS-FallbackFont"));e.set("Type",n.Name.get("FallbackType"));e.set("Subtype",n.Name.get("FallbackType"));e.set("Encoding",n.Name.get("WinAnsiEncoding"));return(0,a.shadow)(this,"fallbackFontDict",e)}}t.PartialEvaluator=PartialEvaluator;class TranslatedFont{constructor({loadedName:e,font:t,dict:r,extraProperties:a=!1}){this.loadedName=e;this.font=t;this.dict=r;this._extraProperties=a;this.type3Loaded=null;this.type3Dependencies=t.isType3Font?new Set:null;this.sent=!1}send(e){if(!this.sent){this.sent=!0;e.send("commonobj",[this.loadedName,"Font",this.font.exportData(this._extraProperties)])}}fallback(e){if(!this.font.data)return;this.font.disableFontFace=!0;const t=this.font.glyphCacheValues;PartialEvaluator.buildFontPaths(this.font,t,e)}loadType3Data(e,t,r){if(this.type3Loaded)return this.type3Loaded;if(!this.font.isType3Font)throw new Error("Must be a Type3 font.");var i=Object.create(e.options);i.ignoreErrors=!1;var n=e.clone(i);n.parsingType3Font=!0;const s=this.font,o=this.type3Dependencies;var c=Promise.resolve(),l=this.dict.get("CharProcs"),h=this.dict.get("Resources")||t,u=Object.create(null);for(const e of l.getKeys())c=c.then((function(){var t=l.get(e),i=new k.OperatorList;return n.getOperatorList({stream:t,task:r,resources:h,operatorList:i}).then((function(){u[e]=i.getIR();for(const e of i.dependencies)o.add(e)})).catch((function(t){(0,a.warn)(`Type3 font resource "${e}" is not available.`);const r=new k.OperatorList;u[e]=r.getIR()}))}));this.type3Loaded=c.then((function(){s.charProcOperatorList=u}));return this.type3Loaded}}class StateManager{constructor(e){this.state=e;this.stateStack=[]}save(){var e=this.state;this.stateStack.push(this.state);this.state=e.clone()}restore(){var e=this.stateStack.pop();e&&(this.state=e)}transform(e){this.state.ctm=a.Util.transform(this.state.ctm,e)}}class TextState{constructor(){this.ctm=new Float32Array(a.IDENTITY_MATRIX);this.fontName=null;this.fontSize=0;this.font=null;this.fontMatrix=a.FONT_IDENTITY_MATRIX;this.textMatrix=a.IDENTITY_MATRIX.slice();this.textLineMatrix=a.IDENTITY_MATRIX.slice();this.charSpacing=0;this.wordSpacing=0;this.leading=0;this.textHScale=1;this.textRise=0}setTextMatrix(e,t,r,a,i,n){var s=this.textMatrix;s[0]=e;s[1]=t;s[2]=r;s[3]=a;s[4]=i;s[5]=n}setTextLineMatrix(e,t,r,a,i,n){var s=this.textLineMatrix;s[0]=e;s[1]=t;s[2]=r;s[3]=a;s[4]=i;s[5]=n}translateTextMatrix(e,t){var r=this.textMatrix;r[4]=r[0]*e+r[2]*t+r[4];r[5]=r[1]*e+r[3]*t+r[5]}translateTextLineMatrix(e,t){var r=this.textLineMatrix;r[4]=r[0]*e+r[2]*t+r[4];r[5]=r[1]*e+r[3]*t+r[5]}calcTextLineMatrixAdvance(e,t,r,a,i,n){var s=this.font;if(!s)return null;var o=this.textLineMatrix;if(e!==o[0]||t!==o[1]||r!==o[2]||a!==o[3])return null;var c=i-o[4],l=n-o[5];if(s.vertical&&0!==c||!s.vertical&&0!==l)return null;var h,u,d=e*a-t*r;if(s.vertical){h=-l*r/d;u=l*e/d}else{h=c*a/d;u=-c*t/d}return{width:h,height:u,value:s.vertical?u:h}}calcRenderMatrix(e){var t=[this.fontSize*this.textHScale,0,0,this.fontSize,0,this.textRise];return a.Util.transform(e,a.Util.transform(this.textMatrix,t))}carriageReturn(){this.translateTextLineMatrix(0,-this.leading);this.textMatrix=this.textLineMatrix.slice()}clone(){var e=Object.create(this);e.textMatrix=this.textMatrix.slice();e.textLineMatrix=this.textLineMatrix.slice();e.fontMatrix=this.fontMatrix.slice();return e}}class EvalState{constructor(){this.ctm=new Float32Array(a.IDENTITY_MATRIX);this.font=null;this.textRenderingMode=a.TextRenderingMode.FILL;this.fillColorSpace=p.ColorSpace.singletons.gray;this.strokeColorSpace=p.ColorSpace.singletons.gray}clone(){return Object.create(this)}}class EvaluatorPreprocessor{static get opMap(){const e=(0,c.getLookupTableFactory)((function(e){e.w={id:a.OPS.setLineWidth,numArgs:1,variableArgs:!1};e.J={id:a.OPS.setLineCap,numArgs:1,variableArgs:!1};e.j={id:a.OPS.setLineJoin,numArgs:1,variableArgs:!1};e.M={id:a.OPS.setMiterLimit,numArgs:1,variableArgs:!1};e.d={id:a.OPS.setDash,numArgs:2,variableArgs:!1};e.ri={id:a.OPS.setRenderingIntent,numArgs:1,variableArgs:!1};e.i={id:a.OPS.setFlatness,numArgs:1,variableArgs:!1};e.gs={id:a.OPS.setGState,numArgs:1,variableArgs:!1};e.q={id:a.OPS.save,numArgs:0,variableArgs:!1};e.Q={id:a.OPS.restore,numArgs:0,variableArgs:!1};e.cm={id:a.OPS.transform,numArgs:6,variableArgs:!1};e.m={id:a.OPS.moveTo,numArgs:2,variableArgs:!1};e.l={id:a.OPS.lineTo,numArgs:2,variableArgs:!1};e.c={id:a.OPS.curveTo,numArgs:6,variableArgs:!1};e.v={id:a.OPS.curveTo2,numArgs:4,variableArgs:!1};e.y={id:a.OPS.curveTo3,numArgs:4,variableArgs:!1};e.h={id:a.OPS.closePath,numArgs:0,variableArgs:!1};e.re={id:a.OPS.rectangle,numArgs:4,variableArgs:!1};e.S={id:a.OPS.stroke,numArgs:0,variableArgs:!1};e.s={id:a.OPS.closeStroke,numArgs:0,variableArgs:!1};e.f={id:a.OPS.fill,numArgs:0,variableArgs:!1};e.F={id:a.OPS.fill,numArgs:0,variableArgs:!1};e["f*"]={id:a.OPS.eoFill,numArgs:0,variableArgs:!1};e.B={id:a.OPS.fillStroke,numArgs:0,variableArgs:!1};e["B*"]={id:a.OPS.eoFillStroke,numArgs:0,variableArgs:!1};e.b={id:a.OPS.closeFillStroke,numArgs:0,variableArgs:!1};e["b*"]={id:a.OPS.closeEOFillStroke,numArgs:0,variableArgs:!1};e.n={id:a.OPS.endPath,numArgs:0,variableArgs:!1};e.W={id:a.OPS.clip,numArgs:0,variableArgs:!1};e["W*"]={id:a.OPS.eoClip,numArgs:0,variableArgs:!1};e.BT={id:a.OPS.beginText,numArgs:0,variableArgs:!1};e.ET={id:a.OPS.endText,numArgs:0,variableArgs:!1};e.Tc={id:a.OPS.setCharSpacing,numArgs:1,variableArgs:!1};e.Tw={id:a.OPS.setWordSpacing,numArgs:1,variableArgs:!1};e.Tz={id:a.OPS.setHScale,numArgs:1,variableArgs:!1};e.TL={id:a.OPS.setLeading,numArgs:1,variableArgs:!1};e.Tf={id:a.OPS.setFont,numArgs:2,variableArgs:!1};e.Tr={id:a.OPS.setTextRenderingMode,numArgs:1,variableArgs:!1};e.Ts={id:a.OPS.setTextRise,numArgs:1,variableArgs:!1};e.Td={id:a.OPS.moveText,numArgs:2,variableArgs:!1};e.TD={id:a.OPS.setLeadingMoveText,numArgs:2,variableArgs:!1};e.Tm={id:a.OPS.setTextMatrix,numArgs:6,variableArgs:!1};e["T*"]={id:a.OPS.nextLine,numArgs:0,variableArgs:!1};e.Tj={id:a.OPS.showText,numArgs:1,variableArgs:!1};e.TJ={id:a.OPS.showSpacedText,numArgs:1,variableArgs:!1};e["'"]={id:a.OPS.nextLineShowText,numArgs:1,variableArgs:!1};e['"']={id:a.OPS.nextLineSetSpacingShowText,numArgs:3,variableArgs:!1};e.d0={id:a.OPS.setCharWidth,numArgs:2,variableArgs:!1};e.d1={id:a.OPS.setCharWidthAndBounds,numArgs:6,variableArgs:!1};e.CS={id:a.OPS.setStrokeColorSpace,numArgs:1,variableArgs:!1};e.cs={id:a.OPS.setFillColorSpace,numArgs:1,variableArgs:!1};e.SC={id:a.OPS.setStrokeColor,numArgs:4,variableArgs:!0};e.SCN={id:a.OPS.setStrokeColorN,numArgs:33,variableArgs:!0};e.sc={id:a.OPS.setFillColor,numArgs:4,variableArgs:!0};e.scn={id:a.OPS.setFillColorN,numArgs:33,variableArgs:!0};e.G={id:a.OPS.setStrokeGray,numArgs:1,variableArgs:!1};e.g={id:a.OPS.setFillGray,numArgs:1,variableArgs:!1};e.RG={id:a.OPS.setStrokeRGBColor,numArgs:3,variableArgs:!1};e.rg={id:a.OPS.setFillRGBColor,numArgs:3,variableArgs:!1};e.K={id:a.OPS.setStrokeCMYKColor,numArgs:4,variableArgs:!1};e.k={id:a.OPS.setFillCMYKColor,numArgs:4,variableArgs:!1};e.sh={id:a.OPS.shadingFill,numArgs:1,variableArgs:!1};e.BI={id:a.OPS.beginInlineImage,numArgs:0,variableArgs:!1};e.ID={id:a.OPS.beginImageData,numArgs:0,variableArgs:!1};e.EI={id:a.OPS.endInlineImage,numArgs:1,variableArgs:!1};e.Do={id:a.OPS.paintXObject,numArgs:1,variableArgs:!1};e.MP={id:a.OPS.markPoint,numArgs:1,variableArgs:!1};e.DP={id:a.OPS.markPointProps,numArgs:2,variableArgs:!1};e.BMC={id:a.OPS.beginMarkedContent,numArgs:1,variableArgs:!1};e.BDC={id:a.OPS.beginMarkedContentProps,numArgs:2,variableArgs:!1};e.EMC={id:a.OPS.endMarkedContent,numArgs:0,variableArgs:!1};e.BX={id:a.OPS.beginCompat,numArgs:0,variableArgs:!1};e.EX={id:a.OPS.endCompat,numArgs:0,variableArgs:!1};e.BM=null;e.BD=null;e.true=null;e.fa=null;e.fal=null;e.fals=null;e.false=null;e.nu=null;e.nul=null;e.null=null}));return(0,a.shadow)(this,"opMap",e())}static get MAX_INVALID_PATH_OPS(){return(0,a.shadow)(this,"MAX_INVALID_PATH_OPS",20)}constructor(e,t,r){this.parser=new f.Parser({lexer:new f.Lexer(e,EvaluatorPreprocessor.opMap),xref:t});this.stateManager=r;this.nonProcessedArgs=[];this._numInvalidPathOPS=0}get savedStatesDepth(){return this.stateManager.stateStack.length}read(e){for(var t=e.args;;){var r=this.parser.getObj();if(r instanceof n.Cmd){var i=r.cmd,s=EvaluatorPreprocessor.opMap[i];if(!s){(0,a.warn)(`Unknown command "${i}".`);continue}var o=s.id,c=s.numArgs,l=null!==t?t.length:0;if(s.variableArgs)l>c&&(0,a.info)(`Command ${i}: expected [0, ${c}] args, but received ${l} args.`);else{if(l!==c){for(var h=this.nonProcessedArgs;l>c;){h.push(t.shift());l--}for(;l<c&&0!==h.length;){null===t&&(t=[]);t.unshift(h.pop());l++}}if(l<c){const e=`command ${i}: expected ${c} args, but received ${l} args.`;if(o>=a.OPS.moveTo&&o<=a.OPS.endPath&&++this._numInvalidPathOPS>EvaluatorPreprocessor.MAX_INVALID_PATH_OPS)throw new a.FormatError("Invalid "+e);(0,a.warn)("Skipping "+e);null!==t&&(t.length=0);continue}}this.preprocessCommand(o,t);e.fn=o;e.args=t;return!0}if(r===n.EOF)return!1;if(null!==r){null===t&&(t=[]);t.push(r);if(t.length>33)throw new a.FormatError("Too many arguments")}}}preprocessCommand(e,t){switch(0|e){case a.OPS.save:this.stateManager.save();break;case a.OPS.restore:this.stateManager.restore();break;case a.OPS.transform:this.stateManager.transform(t)}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CMapFactory=t.IdentityCMap=t.CMap=void 0;var a=r(2),i=r(5),n=r(11),s=r(8),o=r(12),c=["Adobe-GB1-UCS2","Adobe-CNS1-UCS2","Adobe-Japan1-UCS2","Adobe-Korea1-UCS2","78-EUC-H","78-EUC-V","78-H","78-RKSJ-H","78-RKSJ-V","78-V","78ms-RKSJ-H","78ms-RKSJ-V","83pv-RKSJ-H","90ms-RKSJ-H","90ms-RKSJ-V","90msp-RKSJ-H","90msp-RKSJ-V","90pv-RKSJ-H","90pv-RKSJ-V","Add-H","Add-RKSJ-H","Add-RKSJ-V","Add-V","Adobe-CNS1-0","Adobe-CNS1-1","Adobe-CNS1-2","Adobe-CNS1-3","Adobe-CNS1-4","Adobe-CNS1-5","Adobe-CNS1-6","Adobe-GB1-0","Adobe-GB1-1","Adobe-GB1-2","Adobe-GB1-3","Adobe-GB1-4","Adobe-GB1-5","Adobe-Japan1-0","Adobe-Japan1-1","Adobe-Japan1-2","Adobe-Japan1-3","Adobe-Japan1-4","Adobe-Japan1-5","Adobe-Japan1-6","Adobe-Korea1-0","Adobe-Korea1-1","Adobe-Korea1-2","B5-H","B5-V","B5pc-H","B5pc-V","CNS-EUC-H","CNS-EUC-V","CNS1-H","CNS1-V","CNS2-H","CNS2-V","ETHK-B5-H","ETHK-B5-V","ETen-B5-H","ETen-B5-V","ETenms-B5-H","ETenms-B5-V","EUC-H","EUC-V","Ext-H","Ext-RKSJ-H","Ext-RKSJ-V","Ext-V","GB-EUC-H","GB-EUC-V","GB-H","GB-V","GBK-EUC-H","GBK-EUC-V","GBK2K-H","GBK2K-V","GBKp-EUC-H","GBKp-EUC-V","GBT-EUC-H","GBT-EUC-V","GBT-H","GBT-V","GBTpc-EUC-H","GBTpc-EUC-V","GBpc-EUC-H","GBpc-EUC-V","H","HKdla-B5-H","HKdla-B5-V","HKdlb-B5-H","HKdlb-B5-V","HKgccs-B5-H","HKgccs-B5-V","HKm314-B5-H","HKm314-B5-V","HKm471-B5-H","HKm471-B5-V","HKscs-B5-H","HKscs-B5-V","Hankaku","Hiragana","KSC-EUC-H","KSC-EUC-V","KSC-H","KSC-Johab-H","KSC-Johab-V","KSC-V","KSCms-UHC-H","KSCms-UHC-HW-H","KSCms-UHC-HW-V","KSCms-UHC-V","KSCpc-EUC-H","KSCpc-EUC-V","Katakana","NWP-H","NWP-V","RKSJ-H","RKSJ-V","Roman","UniCNS-UCS2-H","UniCNS-UCS2-V","UniCNS-UTF16-H","UniCNS-UTF16-V","UniCNS-UTF32-H","UniCNS-UTF32-V","UniCNS-UTF8-H","UniCNS-UTF8-V","UniGB-UCS2-H","UniGB-UCS2-V","UniGB-UTF16-H","UniGB-UTF16-V","UniGB-UTF32-H","UniGB-UTF32-V","UniGB-UTF8-H","UniGB-UTF8-V","UniJIS-UCS2-H","UniJIS-UCS2-HW-H","UniJIS-UCS2-HW-V","UniJIS-UCS2-V","UniJIS-UTF16-H","UniJIS-UTF16-V","UniJIS-UTF32-H","UniJIS-UTF32-V","UniJIS-UTF8-H","UniJIS-UTF8-V","UniJIS2004-UTF16-H","UniJIS2004-UTF16-V","UniJIS2004-UTF32-H","UniJIS2004-UTF32-V","UniJIS2004-UTF8-H","UniJIS2004-UTF8-V","UniJISPro-UCS2-HW-V","UniJISPro-UCS2-V","UniJISPro-UTF8-V","UniJISX0213-UTF32-H","UniJISX0213-UTF32-V","UniJISX02132004-UTF32-H","UniJISX02132004-UTF32-V","UniKS-UCS2-H","UniKS-UCS2-V","UniKS-UTF16-H","UniKS-UTF16-V","UniKS-UTF32-H","UniKS-UTF32-V","UniKS-UTF8-H","UniKS-UTF8-V","V","WP-Symbol"];class CMap{constructor(e=!1){this.codespaceRanges=[[],[],[],[]];this.numCodespaceRanges=0;this._map=[];this.name="";this.vertical=!1;this.useCMap=null;this.builtInCMap=e}addCodespaceRange(e,t,r){this.codespaceRanges[e-1].push(t,r);this.numCodespaceRanges++}mapCidRange(e,t,r){if(t-e>2**24-1)throw new Error("mapCidRange - ignoring data above MAX_MAP_RANGE.");for(;e<=t;)this._map[e++]=r++}mapBfRange(e,t,r){if(t-e>2**24-1)throw new Error("mapBfRange - ignoring data above MAX_MAP_RANGE.");for(var a=r.length-1;e<=t;){this._map[e++]=r;r=r.substring(0,a)+String.fromCharCode(r.charCodeAt(a)+1)}}mapBfRangeToArray(e,t,r){if(t-e>2**24-1)throw new Error("mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.");const a=r.length;let i=0;for(;e<=t&&i<a;){this._map[e]=r[i++];++e}}mapOne(e,t){this._map[e]=t}lookup(e){return this._map[e]}contains(e){return void 0!==this._map[e]}forEach(e){const t=this._map,r=t.length;if(r<=65536)for(let a=0;a<r;a++)void 0!==t[a]&&e(a,t[a]);else for(const r in t)e(r,t[r])}charCodeOf(e){const t=this._map;if(t.length<=65536)return t.indexOf(e);for(const r in t)if(t[r]===e)return 0|r;return-1}getMap(){return this._map}readCharCode(e,t,r){let a=0;const i=this.codespaceRanges;for(let n=0,s=i.length;n<s;n++){a=(a<<8|e.charCodeAt(t+n))>>>0;const s=i[n];for(let e=0,t=s.length;e<t;){const t=s[e++],i=s[e++];if(a>=t&&a<=i){r.charcode=a;r.length=n+1;return}}}r.charcode=0;r.length=1}get length(){return this._map.length}get isIdentityCMap(){if("Identity-H"!==this.name&&"Identity-V"!==this.name)return!1;if(65536!==this._map.length)return!1;for(let e=0;e<65536;e++)if(this._map[e]!==e)return!1;return!0}}t.CMap=CMap;class IdentityCMap extends CMap{constructor(e,t){super();this.vertical=e;this.addCodespaceRange(t,0,65535)}mapCidRange(e,t,r){(0,a.unreachable)("should not call mapCidRange")}mapBfRange(e,t,r){(0,a.unreachable)("should not call mapBfRange")}mapBfRangeToArray(e,t,r){(0,a.unreachable)("should not call mapBfRangeToArray")}mapOne(e,t){(0,a.unreachable)("should not call mapCidOne")}lookup(e){return Number.isInteger(e)&&e<=65535?e:void 0}contains(e){return Number.isInteger(e)&&e<=65535}forEach(e){for(let t=0;t<=65535;t++)e(t,t)}charCodeOf(e){return Number.isInteger(e)&&e<=65535?e:-1}getMap(){const e=new Array(65536);for(let t=0;t<=65535;t++)e[t]=t;return e}get length(){return 65536}get isIdentityCMap(){(0,a.unreachable)("should not access .isIdentityCMap")}}t.IdentityCMap=IdentityCMap;var l=function BinaryCMapReaderClosure(){function hexToInt(e,t){for(var r=0,a=0;a<=t;a++)r=r<<8|e[a];return r>>>0}function hexToStr(e,t){return 1===t?String.fromCharCode(e[0],e[1]):3===t?String.fromCharCode(e[0],e[1],e[2],e[3]):String.fromCharCode.apply(null,e.subarray(0,t+1))}function addHex(e,t,r){for(var a=0,i=r;i>=0;i--){a+=e[i]+t[i];e[i]=255&a;a>>=8}}function incHex(e,t){for(var r=1,a=t;a>=0&&r>0;a--){r+=e[a];e[a]=255&r;r>>=8}}function BinaryCMapStream(e){this.buffer=e;this.pos=0;this.end=e.length;this.tmpBuf=new Uint8Array(19)}BinaryCMapStream.prototype={readByte(){return this.pos>=this.end?-1:this.buffer[this.pos++]},readNumber(){var e,t=0;do{var r=this.readByte();if(r<0)throw new a.FormatError("unexpected EOF in bcmap");e=!(128&r);t=t<<7|127&r}while(!e);return t},readSigned(){var e=this.readNumber();return 1&e?~(e>>>1):e>>>1},readHex(e,t){e.set(this.buffer.subarray(this.pos,this.pos+t+1));this.pos+=t+1},readHexNumber(e,t){var r,i=this.tmpBuf,n=0;do{var s=this.readByte();if(s<0)throw new a.FormatError("unexpected EOF in bcmap");r=!(128&s);i[n++]=127&s}while(!r);for(var o=t,c=0,l=0;o>=0;){for(;l<8&&i.length>0;){c=i[--n]<<l|c;l+=7}e[o]=255&c;o--;c>>=8;l-=8}},readHexSigned(e,t){this.readHexNumber(e,t);for(var r=1&e[t]?255:0,a=0,i=0;i<=t;i++){a=(1&a)<<8|e[i];e[i]=a>>1^r}},readString(){for(var e=this.readNumber(),t="",r=0;r<e;r++)t+=String.fromCharCode(this.readNumber());return t}};function BinaryCMapReader(){}BinaryCMapReader.prototype={process:function processBinaryCMap(e,t,r){return new Promise((function(a,i){var n=new BinaryCMapStream(e),s=n.readByte();t.vertical=!!(1&s);for(var o,c,l=null,h=new Uint8Array(16),u=new Uint8Array(16),d=new Uint8Array(16),f=new Uint8Array(16),g=new Uint8Array(16);(c=n.readByte())>=0;){var m=c>>5;if(7!==m){var p=!!(16&c),b=15&c;if(b+1>16)throw new Error("processBinaryCMap: Invalid dataSize.");var y,v=n.readNumber();switch(m){case 0:n.readHex(h,b);n.readHexNumber(u,b);addHex(u,h,b);t.addCodespaceRange(b+1,hexToInt(h,b),hexToInt(u,b));for(y=1;y<v;y++){incHex(u,b);n.readHexNumber(h,b);addHex(h,u,b);n.readHexNumber(u,b);addHex(u,h,b);t.addCodespaceRange(b+1,hexToInt(h,b),hexToInt(u,b))}break;case 1:n.readHex(h,b);n.readHexNumber(u,b);addHex(u,h,b);n.readNumber();for(y=1;y<v;y++){incHex(u,b);n.readHexNumber(h,b);addHex(h,u,b);n.readHexNumber(u,b);addHex(u,h,b);n.readNumber()}break;case 2:n.readHex(d,b);o=n.readNumber();t.mapOne(hexToInt(d,b),o);for(y=1;y<v;y++){incHex(d,b);if(!p){n.readHexNumber(g,b);addHex(d,g,b)}o=n.readSigned()+(o+1);t.mapOne(hexToInt(d,b),o)}break;case 3:n.readHex(h,b);n.readHexNumber(u,b);addHex(u,h,b);o=n.readNumber();t.mapCidRange(hexToInt(h,b),hexToInt(u,b),o);for(y=1;y<v;y++){incHex(u,b);if(p)h.set(u);else{n.readHexNumber(h,b);addHex(h,u,b)}n.readHexNumber(u,b);addHex(u,h,b);o=n.readNumber();t.mapCidRange(hexToInt(h,b),hexToInt(u,b),o)}break;case 4:n.readHex(d,1);n.readHex(f,b);t.mapOne(hexToInt(d,1),hexToStr(f,b));for(y=1;y<v;y++){incHex(d,1);if(!p){n.readHexNumber(g,1);addHex(d,g,1)}incHex(f,b);n.readHexSigned(g,b);addHex(f,g,b);t.mapOne(hexToInt(d,1),hexToStr(f,b))}break;case 5:n.readHex(h,1);n.readHexNumber(u,1);addHex(u,h,1);n.readHex(f,b);t.mapBfRange(hexToInt(h,1),hexToInt(u,1),hexToStr(f,b));for(y=1;y<v;y++){incHex(u,1);if(p)h.set(u);else{n.readHexNumber(h,1);addHex(h,u,1)}n.readHexNumber(u,1);addHex(u,h,1);n.readHex(f,b);t.mapBfRange(hexToInt(h,1),hexToInt(u,1),hexToStr(f,b))}break;default:i(new Error("processBinaryCMap: Unknown type: "+m));return}}else switch(31&c){case 0:n.readString();break;case 1:l=n.readString()}}a(l?r(l):t)}))}};return BinaryCMapReader}(),h=function CMapFactoryClosure(){function strToInt(e){for(var t=0,r=0;r<e.length;r++)t=t<<8|e.charCodeAt(r);return t>>>0}function expectString(e){if(!(0,a.isString)(e))throw new a.FormatError("Malformed CMap: expected string.")}function expectInt(e){if(!Number.isInteger(e))throw new a.FormatError("Malformed CMap: expected int.")}function parseBfChar(e,t){for(;;){var r=t.getObj();if((0,i.isEOF)(r))break;if((0,i.isCmd)(r,"endbfchar"))return;expectString(r);var a=strToInt(r);expectString(r=t.getObj());var n=r;e.mapOne(a,n)}}function parseBfRange(e,t){for(;;){var r=t.getObj();if((0,i.isEOF)(r))break;if((0,i.isCmd)(r,"endbfrange"))return;expectString(r);var n=strToInt(r);expectString(r=t.getObj());var s=strToInt(r);r=t.getObj();if(Number.isInteger(r)||(0,a.isString)(r)){var o=Number.isInteger(r)?String.fromCharCode(r):r;e.mapBfRange(n,s,o)}else{if(!(0,i.isCmd)(r,"["))break;r=t.getObj();for(var c=[];!(0,i.isCmd)(r,"]")&&!(0,i.isEOF)(r);){c.push(r);r=t.getObj()}e.mapBfRangeToArray(n,s,c)}}throw new a.FormatError("Invalid bf range.")}function parseCidChar(e,t){for(;;){var r=t.getObj();if((0,i.isEOF)(r))break;if((0,i.isCmd)(r,"endcidchar"))return;expectString(r);var a=strToInt(r);expectInt(r=t.getObj());var n=r;e.mapOne(a,n)}}function parseCidRange(e,t){for(;;){var r=t.getObj();if((0,i.isEOF)(r))break;if((0,i.isCmd)(r,"endcidrange"))return;expectString(r);var a=strToInt(r);expectString(r=t.getObj());var n=strToInt(r);expectInt(r=t.getObj());var s=r;e.mapCidRange(a,n,s)}}function parseCodespaceRange(e,t){for(;;){var r=t.getObj();if((0,i.isEOF)(r))break;if((0,i.isCmd)(r,"endcodespacerange"))return;if(!(0,a.isString)(r))break;var n=strToInt(r);r=t.getObj();if(!(0,a.isString)(r))break;var s=strToInt(r);e.addCodespaceRange(r.length,n,s)}throw new a.FormatError("Invalid codespace range.")}function parseWMode(e,t){var r=t.getObj();Number.isInteger(r)&&(e.vertical=!!r)}function parseCMapName(e,t){var r=t.getObj();(0,i.isName)(r)&&(0,a.isString)(r.name)&&(e.name=r.name)}function parseCMap(e,t,r,n){var o,c;e:for(;;)try{var l=t.getObj();if((0,i.isEOF)(l))break;if((0,i.isName)(l)){"WMode"===l.name?parseWMode(e,t):"CMapName"===l.name&&parseCMapName(e,t);o=l}else if((0,i.isCmd)(l))switch(l.cmd){case"endcmap":break e;case"usecmap":(0,i.isName)(o)&&(c=o.name);break;case"begincodespacerange":parseCodespaceRange(e,t);break;case"beginbfchar":parseBfChar(e,t);break;case"begincidchar":parseCidChar(e,t);break;case"beginbfrange":parseBfRange(e,t);break;case"begincidrange":parseCidRange(e,t)}}catch(e){if(e instanceof s.MissingDataException)throw e;(0,a.warn)("Invalid cMap data: "+e);continue}!n&&c&&(n=c);return n?extendCMap(e,r,n):Promise.resolve(e)}function extendCMap(e,t,r){return createBuiltInCMap(r,t).then((function(t){e.useCMap=t;if(0===e.numCodespaceRanges){for(var r=e.useCMap.codespaceRanges,a=0;a<r.length;a++)e.codespaceRanges[a]=r[a].slice();e.numCodespaceRanges=e.useCMap.numCodespaceRanges}e.useCMap.forEach((function(t,r){e.contains(t)||e.mapOne(t,e.useCMap.lookup(t))}));return e}))}function createBuiltInCMap(e,t){return"Identity-H"===e?Promise.resolve(new IdentityCMap(!1,2)):"Identity-V"===e?Promise.resolve(new IdentityCMap(!0,2)):c.includes(e)?t?t(e).then((function(e){var r=e.cMapData,i=e.compressionType,s=new CMap(!0);if(i===a.CMapCompressionType.BINARY)return(new l).process(r,s,(function(e){return extendCMap(s,t,e)}));if(i===a.CMapCompressionType.NONE){var c=new n.Lexer(new o.Stream(r));return parseCMap(s,c,t,null)}return Promise.reject(new Error("TODO: Only BINARY/NONE CMap compression is currently supported."))})):Promise.reject(new Error("Built-in CMap parameters are not provided.")):Promise.reject(new Error("Unknown CMap name: "+e))}return{async create(e){var t=e.encoding,r=e.fetchBuiltInCMap,a=e.useCMap;if((0,i.isName)(t))return createBuiltInCMap(t.name,r);if((0,i.isStream)(t)){return parseCMap(new CMap,new n.Lexer(t),r,a).then((function(e){return e.isIdentityCMap?createBuiltInCMap(e.name,r):e}))}throw new Error("Encoding required.")}}}();t.CMapFactory=h},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getFontType=getFontType;t.IdentityToUnicodeMap=t.ToUnicodeMap=t.FontFlags=t.Font=t.ErrorFont=t.SEAC_ANALYSIS_ENABLED=void 0;var a=r(2),i=r(31),n=r(34),s=r(33),o=r(35),c=r(36),l=r(8),h=r(37),u=r(29),d=r(12),f=r(38);const g=[[57344,63743],[1048576,1114109]];t.SEAC_ANALYSIS_ENABLED=!0;const m=["ascent","bbox","black","bold","charProcOperatorList","composite","data","defaultVMetrics","defaultWidth","descent","fallbackName","fontMatrix","fontType","isMonospace","isSerifFont","isType3Font","italic","loadedName","mimetype","missingFile","name","remeasure","subtype","type","vertical"],p=["cMap","defaultEncoding","differences","isSymbolicFont","seacMap","toFontChar","toUnicode","vmetrics","widths"];var b={FixedPitch:1,Serif:2,Symbolic:4,Script:8,Nonsymbolic:32,Italic:64,AllCap:65536,SmallCap:131072,ForceBold:262144};t.FontFlags=b;var y=[".notdef",".null","nonmarkingreturn","space","exclam","quotedbl","numbersign","dollar","percent","ampersand","quotesingle","parenleft","parenright","asterisk","plus","comma","hyphen","period","slash","zero","one","two","three","four","five","six","seven","eight","nine","colon","semicolon","less","equal","greater","question","at","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft","backslash","bracketright","asciicircum","underscore","grave","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","braceleft","bar","braceright","asciitilde","Adieresis","Aring","Ccedilla","Eacute","Ntilde","Odieresis","Udieresis","aacute","agrave","acircumflex","adieresis","atilde","aring","ccedilla","eacute","egrave","ecircumflex","edieresis","iacute","igrave","icircumflex","idieresis","ntilde","oacute","ograve","ocircumflex","odieresis","otilde","uacute","ugrave","ucircumflex","udieresis","dagger","degree","cent","sterling","section","bullet","paragraph","germandbls","registered","copyright","trademark","acute","dieresis","notequal","AE","Oslash","infinity","plusminus","lessequal","greaterequal","yen","mu","partialdiff","summation","product","pi","integral","ordfeminine","ordmasculine","Omega","ae","oslash","questiondown","exclamdown","logicalnot","radical","florin","approxequal","Delta","guillemotleft","guillemotright","ellipsis","nonbreakingspace","Agrave","Atilde","Otilde","OE","oe","endash","emdash","quotedblleft","quotedblright","quoteleft","quoteright","divide","lozenge","ydieresis","Ydieresis","fraction","currency","guilsinglleft","guilsinglright","fi","fl","daggerdbl","periodcentered","quotesinglbase","quotedblbase","perthousand","Acircumflex","Ecircumflex","Aacute","Edieresis","Egrave","Iacute","Icircumflex","Idieresis","Igrave","Oacute","Ocircumflex","apple","Ograve","Uacute","Ucircumflex","Ugrave","dotlessi","circumflex","tilde","macron","breve","dotaccent","ring","cedilla","hungarumlaut","ogonek","caron","Lslash","lslash","Scaron","scaron","Zcaron","zcaron","brokenbar","Eth","eth","Yacute","yacute","Thorn","thorn","minus","multiply","onesuperior","twosuperior","threesuperior","onehalf","onequarter","threequarters","franc","Gbreve","gbreve","Idotaccent","Scedilla","scedilla","Cacute","cacute","Ccaron","ccaron","dcroat"];function adjustWidths(e){if(e.fontMatrix&&e.fontMatrix[0]!==a.FONT_IDENTITY_MATRIX[0]){var t=.001/e.fontMatrix[0],r=e.widths;for(var i in r)r[i]*=t;e.defaultWidth*=t}}function getFontType(e,t){switch(e){case"Type1":return"Type1C"===t?a.FontType.TYPE1C:a.FontType.TYPE1;case"CIDFontType0":return"CIDFontType0C"===t?a.FontType.CIDFONTTYPE0C:a.FontType.CIDFONTTYPE0;case"OpenType":return a.FontType.OPENTYPE;case"TrueType":return a.FontType.TRUETYPE;case"CIDFontType2":return a.FontType.CIDFONTTYPE2;case"MMType1":return a.FontType.MMTYPE1;case"Type0":return a.FontType.TYPE0;default:return a.FontType.UNKNOWN}}function recoverGlyphName(e,t){if(void 0!==t[e])return e;var r=(0,c.getUnicodeForGlyph)(e,t);if(-1!==r)for(var i in t)if(t[i]===r)return i;(0,a.info)("Unable to recover a standard glyph name for: "+e);return e}var v=function GlyphClosure(){function Glyph(e,t,r,a,i,n,s,o){this.fontChar=e;this.unicode=t;this.accent=r;this.width=a;this.vmetric=i;this.operatorListId=n;this.isSpace=s;this.isInFont=o}Glyph.prototype.matchesForCache=function(e,t,r,a,i,n,s,o){return this.fontChar===e&&this.unicode===t&&this.accent===r&&this.width===a&&this.vmetric===i&&this.operatorListId===n&&this.isSpace===s&&this.isInFont===o};return Glyph}(),w=function ToUnicodeMapClosure(){function ToUnicodeMap(e=[]){this._map=e}ToUnicodeMap.prototype={get length(){return this._map.length},forEach(e){for(var t in this._map)e(t,this._map[t].charCodeAt(0))},has(e){return void 0!==this._map[e]},get(e){return this._map[e]},charCodeOf(e){const t=this._map;if(t.length<=65536)return t.indexOf(e);for(const r in t)if(t[r]===e)return 0|r;return-1},amend(e){for(var t in e)this._map[t]=e[t]}};return ToUnicodeMap}();t.ToUnicodeMap=w;var k=function IdentityToUnicodeMapClosure(){function IdentityToUnicodeMap(e,t){this.firstChar=e;this.lastChar=t}IdentityToUnicodeMap.prototype={get length(){return this.lastChar+1-this.firstChar},forEach(e){for(var t=this.firstChar,r=this.lastChar;t<=r;t++)e(t,t)},has(e){return this.firstChar<=e&&e<=this.lastChar},get(e){if(this.firstChar<=e&&e<=this.lastChar)return String.fromCharCode(e)},charCodeOf(e){return Number.isInteger(e)&&e>=this.firstChar&&e<=this.lastChar?e:-1},amend(e){(0,a.unreachable)("Should not call amend()")}};return IdentityToUnicodeMap}();t.IdentityToUnicodeMap=k;var S=function OpenTypeFileBuilderClosure(){function writeInt16(e,t,r){e[t]=r>>8&255;e[t+1]=255&r}function writeInt32(e,t,r){e[t]=r>>24&255;e[t+1]=r>>16&255;e[t+2]=r>>8&255;e[t+3]=255&r}function writeData(e,t,r){var a,i;if(r instanceof Uint8Array)e.set(r,t);else if("string"==typeof r)for(a=0,i=r.length;a<i;a++)e[t++]=255&r.charCodeAt(a);else for(a=0,i=r.length;a<i;a++)e[t++]=255&r[a]}function OpenTypeFileBuilder(e){this.sfnt=e;this.tables=Object.create(null)}OpenTypeFileBuilder.getSearchParams=function OpenTypeFileBuilder_getSearchParams(e,t){for(var r=1,a=0;(r^e)>r;){r<<=1;a++}var i=r*t;return{range:i,entry:a,rangeShift:t*e-i}};OpenTypeFileBuilder.prototype={toArray:function OpenTypeFileBuilder_toArray(){var e=this.sfnt,t=this.tables,r=Object.keys(t);r.sort();var i,n,s,o,c,h=r.length,u=12+16*h,d=[u];for(i=0;i<h;i++){u+=((o=t[r[i]]).length+3&-4)>>>0;d.push(u)}var f=new Uint8Array(u);for(i=0;i<h;i++){o=t[r[i]];writeData(f,d[i],o)}"true"===e&&(e=(0,a.string32)(65536));f[0]=255&e.charCodeAt(0);f[1]=255&e.charCodeAt(1);f[2]=255&e.charCodeAt(2);f[3]=255&e.charCodeAt(3);writeInt16(f,4,h);var g=OpenTypeFileBuilder.getSearchParams(h,16);writeInt16(f,6,g.range);writeInt16(f,8,g.entry);writeInt16(f,10,g.rangeShift);u=12;for(i=0;i<h;i++){c=r[i];f[u]=255&c.charCodeAt(0);f[u+1]=255&c.charCodeAt(1);f[u+2]=255&c.charCodeAt(2);f[u+3]=255&c.charCodeAt(3);var m=0;for(n=d[i],s=d[i+1];n<s;n+=4){m=m+(0,l.readUint32)(f,n)>>>0}writeInt32(f,u+4,m);writeInt32(f,u+8,d[i]);writeInt32(f,u+12,t[c].length);u+=16}return f},addTable:function OpenTypeFileBuilder_addTable(e,t){if(e in this.tables)throw new Error("Table "+e+" already exists");this.tables[e]=t}};return OpenTypeFileBuilder}(),C=function FontClosure(){function Font(e,t,r){var i;this.name=e;this.loadedName=r.loadedName;this.isType3Font=r.isType3Font;this.missingFile=!1;this.glyphCache=Object.create(null);this.isSerifFont=!!(r.flags&b.Serif);this.isSymbolicFont=!!(r.flags&b.Symbolic);this.isMonospace=!!(r.flags&b.FixedPitch);var n=r.type,s=r.subtype;this.type=n;this.subtype=s;let o="sans-serif";this.isMonospace?o="monospace":this.isSerifFont&&(o="serif");this.fallbackName=o;this.differences=r.differences;this.widths=r.widths;this.defaultWidth=r.defaultWidth;this.composite=r.composite;this.cMap=r.cMap;this.ascent=r.ascent/1e3;this.descent=r.descent/1e3;this.fontMatrix=r.fontMatrix;this.bbox=r.bbox;this.defaultEncoding=r.defaultEncoding;this.toUnicode=r.toUnicode;this.fallbackToUnicode=r.fallbackToUnicode||new w;this.toFontChar=[];if("Type3"!==r.type){this.cidEncoding=r.cidEncoding;this.vertical=!!r.vertical;if(this.vertical){this.vmetrics=r.vmetrics;this.defaultVMetrics=r.defaultVMetrics}if(t&&!t.isEmpty){[n,s]=function getFontFileType(e,{type:t,subtype:r,composite:i}){let n,s;if(function isTrueTypeFile(e){var t=e.peekBytes(4);return 65536===(0,l.readUint32)(t,0)||"true"===(0,a.bytesToString)(t)}(e)||isTrueTypeCollectionFile(e))n=i?"CIDFontType2":"TrueType";else if(function isOpenTypeFile(e){var t=e.peekBytes(4);return"OTTO"===(0,a.bytesToString)(t)}(e))n=i?"CIDFontType2":"OpenType";else if(function isType1File(e){var t=e.peekBytes(2);if(37===t[0]&&33===t[1])return!0;if(128===t[0]&&1===t[1])return!0;return!1}(e))n=i?"CIDFontType0":"MMType1"===t?"MMType1":"Type1";else if(function isCFFFile(e){const t=e.peekBytes(4);if(t[0]>=1&&t[3]>=1&&t[3]<=4)return!0;return!1}(e))if(i){n="CIDFontType0";s="CIDFontType0C"}else{n="MMType1"===t?"MMType1":"Type1";s="Type1C"}else{(0,a.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");n=t;s=r}return[n,s]}(t,r);n===this.type&&s===this.subtype||(0,a.info)(`Inconsistent font file Type/SubType, expected: ${this.type}/${this.subtype} but found: ${n}/${s}.`);try{var c;switch(n){case"MMType1":(0,a.info)("MMType1 font ("+e+"), falling back to Type1.");case"Type1":case"CIDFontType0":this.mimetype="font/opentype";var h="Type1C"===s||"CIDFontType0C"===s?new T(t,r):new A(e,t,r);adjustWidths(r);c=this.convert(e,h,r);break;case"OpenType":case"TrueType":case"CIDFontType2":this.mimetype="font/opentype";c=this.checkAndRepair(e,t,r);if(this.isOpenType){adjustWidths(r);n="OpenType"}break;default:throw new a.FormatError(`Font ${n} is not supported`)}}catch(e){(0,a.warn)(e);this.fallbackToSystemFont();return}this.data=c;this.fontType=getFontType(n,s);this.fontMatrix=r.fontMatrix;this.widths=r.widths;this.defaultWidth=r.defaultWidth;this.toUnicode=r.toUnicode;this.seacMap=r.seacMap}else{t&&(0,a.warn)('Font file is empty in "'+e+'" ('+this.loadedName+")");this.fallbackToSystemFont()}}else{for(i=0;i<256;i++)this.toFontChar[i]=this.differences[i]||r.defaultEncoding[i];this.fontType=a.FontType.TYPE3}}function int16(e,t){return(e<<8)+t}function signedInt16(e,t){var r=(e<<8)+t;return 32768&r?r-65536:r}function string16(e){return String.fromCharCode(e>>8&255,255&e)}function safeString16(e){e>32767?e=32767:e<-32768&&(e=-32768);return String.fromCharCode(e>>8&255,255&e)}function isTrueTypeCollectionFile(e){const t=e.peekBytes(4);return"ttcf"===(0,a.bytesToString)(t)}function buildToFontChar(e,t,r){for(var a,i=[],n=0,s=e.length;n<s;n++)-1!==(a=(0,c.getUnicodeForGlyph)(e[n],t))&&(i[n]=a);for(var o in r)-1!==(a=(0,c.getUnicodeForGlyph)(r[o],t))&&(i[+o]=a);return i}function adjustMapping(e,t,r){var i=Object.create(null),n=[],s=0,o=g[s][0],c=g[s][1];for(var l in e){var h=e[l|=0];if(t(h)){if(o>c){if(++s>=g.length){(0,a.warn)("Ran out of space in font private use area.");break}o=g[s][0];c=g[s][1]}var u=o++;0===h&&(h=r);i[u]=h;n[l]=u}}return{toFontChar:n,charCodeToGlyphId:i,nextAvailableFontCharCode:o}}function createCmapTable(e,t){var r,i,n,s,o=function getRanges(e,t){var r=[];for(var a in e)e[a]>=t||r.push({fontCharCode:0|a,glyphId:e[a]});0===r.length&&r.push({fontCharCode:0,glyphId:0});r.sort((function fontGetRangesSort(e,t){return e.fontCharCode-t.fontCharCode}));for(var i=[],n=r.length,s=0;s<n;){var o=r[s].fontCharCode,c=[r[s].glyphId];++s;for(var l=o;s<n&&l+1===r[s].fontCharCode;){c.push(r[s].glyphId);++s;if(65535===++l)break}i.push([o,l,c])}return i}(e,t),c=o[o.length-1][1]>65535?2:1,l="\0\0"+string16(c)+"\0\0
"+(0,a.string32)(4+8*c);for(r=o.length-1;r>=0&&!(o[r][0]<=65535);--r);var h=r+1;o[r][0]<65535&&65535===o[r][1]&&(o[r][1]=65534);var u,d,f,g,m=o[r][1]<65535?1:0,p=h+m,b=S.getSearchParams(p,2),y="",v="",w="",k="",C="",x=0;for(r=0,i=h;r<i;r++){d=(u=o[r])[0];f=u[1];y+=string16(d);v+=string16(f);var A=!0;for(n=1,s=(g=u[2]).length;n<s;++n)if(g[n]!==g[n-1]+1){A=!1;break}if(A){w+=string16(g[0]-d&65535);k+=string16(0)}else{var T=2*(p-r)+2*x;x+=f-d+1;w+=string16(0);k+=string16(T);for(n=0,s=g.length;n<s;++n)C+=string16(g[n])}}if(m>0){v+="ÿÿ";y+="ÿÿ";w+="\0
";k+="\0\0"}var I="\0\0"+string16(2*p)+string16(b.range)+string16(b.entry)+string16(b.rangeShift)+v+"\0\0"+y+w+k+C,F="",P="";if(c>1){l+="\0\0\n"+(0,a.string32)(4+8*c+4+I.length);F="";for(r=0,i=o.length;r<i;r++){d=(u=o[r])[0];var E=(g=u[2])[0];for(n=1,s=g.length;n<s;++n)if(g[n]!==g[n-1]+1){f=u[0]+n-1;F+=(0,a.string32)(d)+(0,a.string32)(f)+(0,a.string32)(E);d=f+1;E=g[n]}F+=(0,a.string32)(d)+(0,a.string32)(u[1])+(0,a.string32)(E)}P="\0\f\0\0"+(0,a.string32)(F.length+16)+"\0\0\0\0"+(0,a.string32)(F.length/12)}return l+"\0"+string16(I.length+4)+I+P+F}function createOS2Table(e,t,r){r=r||{unitsPerEm:0,yMax:0,yMin:0,ascent:0,descent:0};var i=0,n=0,s=0,o=0,l=null,h=0;if(t){for(var u in t){(l>(u|=0)||!l)&&(l=u);h<u&&(h=u);var d=(0,c.getUnicodeRangeFor)(u);if(d<32)i|=1<<d;else if(d<64)n|=1<<d-32;else if(d<96)s|=1<<d-64;else{if(!(d<123))throw new a.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");o|=1<<d-96}}h>65535&&(h=65535)}else{l=0;h=255}var f=e.bbox||[0,0,0,0],g=r.unitsPerEm||1/(e.fontMatrix||a.FONT_IDENTITY_MATRIX)[0],m=e.ascentScaled?1:g/1e3,p=r.ascent||Math.round(m*(e.ascent||f[3])),b=r.descent||Math.round(m*(e.descent||f[1]));b>0&&e.descent>0&&f[1]<0&&(b=-b);var y=r.yMax||p,v=-r.yMin||-b;return"\0$
ô\0\0\0Š»\0\0\0ŒŠ»\0\0
ß\x001
\0\0\0\0"+String.fromCharCode(e.fixedPitch?9:0)+"\0\0\0\0\0\0"+(0,a.string32)(i)+(0,a.string32)(n)+(0,a.string32)(s)+(0,a.string32)(o)+"*21*"+string16(e.italicAngle?1:0)+string16(l||e.firstChar)+string16(h||e.lastChar)+string16(p)+string16(b)+"\0d"+string16(y)+string16(v)+"\0\0\0\0\0\0\0\0"+string16(e.xHeight)+string16(e.capHeight)+string16(0)+string16(l||e.firstChar)+"\0"}function createPostTable(e){var t=Math.floor(65536*e.italicAngle);return"\0\0\0"+(0,a.string32)(t)+"\0\0\0\0"+(0,a.string32)(e.fixedPitch)+"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}function createNameTable(e,t){t||(t=[[],[]]);var r,a,i,n,s,o=[t[0][0]||"Original licence",t[0][1]||e,t[0][2]||"Unknown",t[0][3]||"uniqueID",t[0][4]||e,t[0][5]||"Version 0.11",t[0][6]||"",t[0][7]||"Unknown",t[0][8]||"Unknown",t[0][9]||"Unknown"],c=[];for(r=0,a=o.length;r<a;r++){var l=[];for(i=0,n=(s=t[1][r]||o[r]).length;i<n;i++)l.push(string16(s.charCodeAt(i)));c.push(l.join(""))}var h=[o,c],u=["\0
","\0"],d=["\0\0","\0
"],f=["\0\0","\t"],g=o.length*u.length,m="\0\0"+string16(g)+string16(12*g+6),p=0;for(r=0,a=u.length;r<a;r++){var b=h[r];for(i=0,n=b.length;i<n;i++){s=b[i];m+=u[r]+d[r]+f[r]+string16(i)+string16(s.length)+string16(p);p+=s.length}}return m+=o.join("")+c.join("")}Font.prototype={name:null,font:null,mimetype:null,disableFontFace:!1,get renderer(){var e=h.FontRendererFactory.create(this,!0);return(0,a.shadow)(this,"renderer",e)},exportData(e=!1){const t=e?[...m,...p]:m,r=Object.create(null);let a,i;for(a of t){i=this[a];void 0!==i&&(r[a]=i)}return r},fallbackToSystemFont:function Font_fallbackToSystemFont(){this.missingFile=!0;var e=this.name,t=this.type,r=this.subtype;let i=e.replace(/[,_]/g,"-").replace(/\s/g,"");var l=(0,o.getStdFontMap)(),h=(0,o.getNonStdFontMap)(),u=!!l[i]||!(!h[i]||!l[h[i]]);i=l[i]||h[i]||i;this.bold=-1!==i.search(/bold/gi);this.italic=-1!==i.search(/oblique/gi)||-1!==i.search(/italic/gi);this.black=-1!==e.search(/Black/g);this.remeasure=Object.keys(this.widths).length>0;if(u&&"CIDFontType2"===t&&this.cidEncoding.startsWith("Identity-")){const t=(0,o.getGlyphMapForStandardFonts)(),r=[];for(const e in t)r[+e]=t[e];if(/Arial-?Black/i.test(e)){var d=(0,o.getSupplementalGlyphMapForArialBlack)();for(const e in d)r[+e]=d[e]}else if(/Calibri/i.test(e)){const e=(0,o.getSupplementalGlyphMapForCalibri)();for(const t in e)r[+t]=e[t]}this.toUnicode instanceof k||this.toUnicode.forEach((function(e,t){r[+e]=t}));this.toFontChar=r;this.toUnicode=new w(r)}else if(/Symbol/i.test(i))this.toFontChar=buildToFontChar(s.SymbolSetEncoding,(0,n.getGlyphsUnicode)(),this.differences);else if(/Dingbats/i.test(i)){/Wingdings/i.test(e)&&(0,a.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");this.toFontChar=buildToFontChar(s.ZapfDingbatsEncoding,(0,n.getDingbatsGlyphsUnicode)(),this.differences)}else if(u)this.toFontChar=buildToFontChar(this.defaultEncoding,(0,n.getGlyphsUnicode)(),this.differences);else{const t=(0,n.getGlyphsUnicode)(),r=[];this.toUnicode.forEach((e,a)=>{if(!this.composite){var i=this.differences[e]||this.defaultEncoding[e];const r=(0,c.getUnicodeForGlyph)(i,t);-1!==r&&(a=r)}r[+e]=a});if(this.composite&&this.toUnicode instanceof k&&/Verdana/i.test(e)){const e=(0,o.getGlyphMapForStandardFonts)();for(const t in e)r[+t]=e[t]}this.toFontChar=r}this.loadedName=i.split("-")[0];this.fontType=getFontType(t,r)},checkAndRepair:function Font_checkAndRepair(e,t,r){const o=["OS/2","cmap","head","hhea","hmtx","maxp","name","post","loca","glyf","fpgm","prep","cvt ","CFF "];function readTables(e,t){const r=Object.create(null);r["OS/2"]=null;r.cmap=null;r.head=null;r.hhea=null;r.hmtx=null;r.maxp=null;r.name=null;r.post=null;for(let a=0;a<t;a++){const t=readTableEntry(e);o.includes(t.tag)&&(0!==t.length&&(r[t.tag]=t))}return r}function readTableEntry(e){var t=(0,a.bytesToString)(e.getBytes(4)),r=e.getInt32()>>>0,i=e.getInt32()>>>0,n=e.getInt32()>>>0,s=e.pos;e.pos=e.start?e.start:0;e.skip(i);var o=e.getBytes(n);e.pos=s;if("head"===t){o[8]=o[9]=o[10]=o[11]=0;o[17]|=32}return{tag:t,checksum:r,length:n,offset:i,data:o}}function readOpenTypeHeader(e){return{version:(0,a.bytesToString)(e.getBytes(4)),numTables:e.getUint16(),searchRange:e.getUint16(),entrySelector:e.getUint16(),rangeShift:e.getUint16()}}function sanitizeGlyph(e,t,r,a,i,n){var s={length:0,sizeOfInstructions:0};if(r-t<=12)return s;var o=e.subarray(t,r),c=signedInt16(o[0],o[1]);if(c<0){!function writeSignedInt16(e,t,r){e[t+1]=r;e[t]=r>>>8}(o,0,c=-1);a.set(o,i);s.length=o.length;return s}var l,h=10,u=0;for(l=0;l<c;l++){u=(o[h]<<8|o[h+1])+1;h+=2}var d=h,f=o[h]<<8|o[h+1];s.sizeOfInstructions=f;var g=h+=2+f,m=0;for(l=0;l<u;l++){var p=o[h++];192&p&&(o[h-1]=63&p);let e=2;2&p?e=1:16&p&&(e=0);let t=2;4&p?t=1:32&p&&(t=0);const r=e+t;m+=r;if(8&p){var b=o[h++];l+=b;m+=b*r}}if(0===m)return s;var y=h+m;if(y>o.length)return s;if(!n&&f>0){a.set(o.subarray(0,d),i);a.set([0,0],i+d);a.set(o.subarray(g,y),i+d+2);y-=f;o.length-y>3&&(y=y+3&-4);s.length=y;return s}if(o.length-y>3){y=y+3&-4;a.set(o.subarray(0,y),i);s.length=y;return s}a.set(o,i);s.length=o.length;return s}function readNameTable(e){var r=(t.start?t.start:0)+e.offset;t.pos=r;var i=[[],[]],n=e.length,s=r+n;if(0!==t.getUint16()||n<6)return i;var o,c,l=t.getUint16(),h=t.getUint16(),u=[];for(o=0;o<l&&t.pos+12<=s;o++){var d={platform:t.getUint16(),encoding:t.getUint16(),language:t.getUint16(),name:t.getUint16(),length:t.getUint16(),offset:t.getUint16()};(1===d.platform&&0===d.encoding&&0===d.language||3===d.platform&&1===d.encoding&&1033===d.language)&&u.push(d)}for(o=0,c=u.length;o<c;o++){var f=u[o];if(!(f.length<=0)){var g=r+h+f.offset;if(!(g+f.length>s)){t.pos=g;var m=f.name;if(f.encoding){for(var p="",b=0,y=f.length;b<y;b+=2)p+=String.fromCharCode(t.getUint16());i[1][m]=p}else i[0][m]=(0,a.bytesToString)(t.getBytes(f.length))}}}return i}var c=[0,0,0,0,0,0,0,0,-2,-2,-2,-2,0,0,-2,-5,-1,-1,-1,-1,-1,-1,-1,-1,0,0,-1,0,-1,-1,-1,-1,1,-1,-999,0,1,0,-1,-2,0,-1,-2,-1,-1,0,-1,-1,0,0,-999,-999,-1,-1,-1,-1,-2,-999,-2,-2,-999,0,-2,-2,0,0,-2,0,-2,0,0,0,-2,-1,-1,1,1,0,0,-1,-1,-1,-1,-1,-1,-1,0,0,-1,0,-1,-1,0,-999,-1,-1,-1,-1,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,-2,-999,-999,-999,-999,-999,-1,-1,-2,-2,0,0,0,0,-1,-1,-999,-2,-2,0,0,-1,-2,-2,0,0,0,-1,-1,-1,-2];function sanitizeTTProgram(e,t){for(var r,i,n,s,o,l=e.data,h=0,u=0,d=0,f=[],g=[],m=[],p=t.tooComplexToFollowFunctions,b=!1,y=0,v=0,w=l.length;h<w;){var k=l[h++];if(64===k){i=l[h++];if(b||v)h+=i;else for(r=0;r<i;r++)f.push(l[h++])}else if(65===k){i=l[h++];if(b||v)h+=2*i;else for(r=0;r<i;r++){n=l[h++];f.push(n<<8|l[h++])}}else if(176==(248&k)){i=k-176+1;if(b||v)h+=i;else for(r=0;r<i;r++)f.push(l[h++])}else if(184==(248&k)){i=k-184+1;if(b||v)h+=2*i;else for(r=0;r<i;r++){n=l[h++];f.push(n<<8|l[h++])}}else if(43!==k||p)if(44!==k||p){if(45===k)if(b){b=!1;u=h}else{if(!(o=g.pop())){(0,a.warn)("TT: ENDF bad stack");t.hintsValid=!1;return}s=m.pop();l=o.data;h=o.i;t.functionsStackDeltas[s]=f.length-o.stackTop}else if(137===k){if(b||v){(0,a.warn)("TT: nested IDEFs not allowed");p=!0}b=!0;d=h}else if(88===k)++y;else if(27===k)v=y;else if(89===k){v===y&&(v=0);--y}else if(28===k&&!b&&!v){var S=f[f.length-1];S>0&&(h+=S-1)}}else{if(b||v){(0,a.warn)("TT: nested FDEFs not allowed");p=!0}b=!0;d=h;s=f.pop();t.functionsDefined[s]={data:l,i:h}}else if(!b&&!v){s=f[f.length-1];if(isNaN(s))(0,a.info)("TT: CALL empty stack (or invalid entry).");else{t.functionsUsed[s]=!0;if(s in t.functionsStackDeltas){const e=f.length+t.functionsStackDeltas[s];if(e<0){(0,a.warn)("TT: CALL invalid functions stack delta.");t.hintsValid=!1;return}f.length=e}else if(s in t.functionsDefined&&!m.includes(s)){g.push({data:l,i:h,stackTop:f.length-1});m.push(s);if(!(o=t.functionsDefined[s])){(0,a.warn)("TT: CALL non-existent function");t.hintsValid=!1;return}l=o.data;h=o.i}}}if(!b&&!v){let e=0;k<=142?e=c[k]:k>=192&&k<=223?e=-1:k>=224&&(e=-2);if(k>=113&&k<=117){i=f.pop();isNaN(i)||(e=2*-i)}for(;e<0&&f.length>0;){f.pop();e++}for(;e>0;){f.push(NaN);e--}}}t.tooComplexToFollowFunctions=p;var C=[l];h>l.length&&C.push(new Uint8Array(h-l.length));if(d>u){(0,a.warn)("TT: complementing a missing function tail");C.push(new Uint8Array([34,45]))}!function foldTTTable(e,t){if(t.length>1){var r,a,i=0;for(r=0,a=t.length;r<a;r++)i+=t[r].length;i=i+3&-4;var n=new Uint8Array(i),s=0;for(r=0,a=t.length;r<a;r++){n.set(t[r],s);s+=t[r].length}e.data=n;e.length=i}}(e,C)}let l,h,f,g;if(isTrueTypeCollectionFile(t=new d.Stream(new Uint8Array(t.getBytes())))){const e=function readTrueTypeCollectionData(e,t){const{numFonts:r,offsetTable:i}=function readTrueTypeCollectionHeader(e){const t=(0,a.bytesToString)(e.getBytes(4));(0,a.assert)("ttcf"===t,"Must be a TrueType Collection font.");const r=e.getUint16(),i=e.getUint16(),n=e.getInt32()>>>0,s=[];for(let t=0;t<n;t++)s.push(e.getInt32()>>>0);const o={ttcTag:t,majorVersion:r,minorVersion:i,numFonts:n,offsetTable:s};switch(r){case 1:return o;case 2:o.dsigTag=e.getInt32()>>>0;o.dsigLength=e.getInt32()>>>0;o.dsigOffset=e.getInt32()>>>0;return o}throw new a.FormatError(`Invalid TrueType Collection majorVersion: ${r}.`)}(e);for(let n=0;n<r;n++){e.pos=(e.start||0)+i[n];const r=readOpenTypeHeader(e),s=readTables(e,r.numTables);if(!s.name)throw new a.FormatError('TrueType Collection font must contain a "name" table.');const o=readNameTable(s.name);for(let e=0,a=o.length;e<a;e++)for(let a=0,i=o[e].length;a<i;a++){const i=o[e][a];if(i&&i.replace(/\s/g,"")===t)return{header:r,tables:s}}}throw new a.FormatError(`TrueType Collection does not contain "${t}" font.`)}(t,this.name);l=e.header;h=e.tables}else{l=readOpenTypeHeader(t);h=readTables(t,l.numTables)}var m=!h["CFF "];if(m){if(!h.loca)throw new a.FormatError('Required "loca" table is not found');if(!h.glyf){(0,a.warn)('Required "glyf" table is not found -- trying to recover.');h.glyf={tag:"glyf",data:new Uint8Array(0)}}this.isOpenType=!1}else{const t=r.composite&&((r.cidToGidMap||[]).length>0||!(r.cMap instanceof u.IdentityCMap));if("OTTO"===l.version&&!t||!h.head||!h.hhea||!h.maxp||!h.post){g=new d.Stream(h["CFF "].data);f=new T(g,r);adjustWidths(r);return this.convert(e,f,r)}delete h.glyf;delete h.loca;delete h.fpgm;delete h.prep;delete h["cvt "];this.isOpenType=!0}if(!h.maxp)throw new a.FormatError('Required "maxp" table is not found');t.pos=(t.start||0)+h.maxp.offset;var p=t.getInt32();const b=t.getUint16();let v=b+1,w=!0;if(v>65535){w=!1;v=b;(0,a.warn)("Not enough space in glyfs to duplicate first glyph.")}var k=0,C=0;if(p>=65536&&h.maxp.length>=22){t.pos+=8;if(t.getUint16()>2){h.maxp.data[14]=0;h.maxp.data[15]=2}t.pos+=4;k=t.getUint16();t.pos+=4;C=t.getUint16()}h.maxp.data[4]=v>>8;h.maxp.data[5]=255&v;var x=function sanitizeTTPrograms(e,t,r,i){var n={functionsDefined:[],functionsUsed:[],functionsStackDeltas:[],tooComplexToFollowFunctions:!1,hintsValid:!0};e&&sanitizeTTProgram(e,n);t&&sanitizeTTProgram(t,n);e&&function checkInvalidFunctions(e,t){if(!e.tooComplexToFollowFunctions)if(e.functionsDefined.length>t){(0,a.warn)("TT: more functions defined than expected");e.hintsValid=!1}else for(var r=0,i=e.functionsUsed.length;r<i;r++){if(r>t){(0,a.warn)("TT: invalid function id: "+r);e.hintsValid=!1;return}if(e.functionsUsed[r]&&!e.functionsDefined[r]){(0,a.warn)("TT: undefined function: "+r);e.hintsValid=!1;return}}}(n,i);if(r&&1&r.length){var s=new Uint8Array(r.length+1);s.set(r.data);r.data=s}return n.hintsValid}(h.fpgm,h.prep,h["cvt "],k);if(!x){delete h.fpgm;delete h.prep;delete h["cvt "]}!function sanitizeMetrics(e,t,r,i,n){if(t){e.pos=(e.start?e.start:0)+t.offset;e.pos+=4;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=2;e.pos+=8;e.pos+=2;var s=e.getUint16();if(s>i){(0,a.info)("The numOfMetrics ("+s+") should not be greater than the numGlyphs ("+i+")");s=i;t.data[34]=(65280&s)>>8;t.data[35]=255&s}var o=i-s-(r.length-4*s>>1);if(o>0){var c=new Uint8Array(r.length+2*o);c.set(r.data);if(n){c[r.length]=r.data[2];c[r.length+1]=r.data[3]}r.data=c}}else r&&(r.data=null)}(t,h.hhea,h.hmtx,v,w);if(!h.head)throw new a.FormatError('Required "head" table is not found');!function sanitizeHead(e,t,r){var i=e.data,n=function int32(e,t,r,a){return(e<<24)+(t<<16)+(r<<8)+a}(i[0],i[1],i[2],i[3]);if(n>>16!=1){(0,a.info)("Attempting to fix invalid version in head table: "+n);i[0]=0;i[1]=1;i[2]=0;i[3]=0}var s=int16(i[50],i[51]);if(s<0||s>1){(0,a.info)("Attempting to fix invalid indexToLocFormat in head table: "+s);var o=t+1;if(r===o<<1){i[50]=0;i[51]=0}else{if(r!==o<<2)throw new a.FormatError("Could not fix indexToLocFormat: "+s);i[50]=0;i[51]=1}}}(h.head,b,m?h.loca.length:0);var A=Object.create(null);if(m){var I=int16(h.head.data[50],h.head.data[51]),F=function sanitizeGlyphLocations(e,t,r,a,i,n,s){var o,c,l;if(a){o=4;c=function fontItemDecodeLong(e,t){return e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3]};l=function fontItemEncodeLong(e,t,r){e[t]=r>>>24&255;e[t+1]=r>>16&255;e[t+2]=r>>8&255;e[t+3]=255&r}}else{o=2;c=function fontItemDecode(e,t){return e[t]<<9|e[t+1]<<1};l=function fontItemEncode(e,t,r){e[t]=r>>9&255;e[t+1]=r>>1&255}}var h=n?r+1:r,u=o*(1+h),d=new Uint8Array(u);d.set(e.data.subarray(0,u));e.data=d;var f,g,m=t.data,p=m.length,b=new Uint8Array(p);const y=[];for(f=0,g=0;f<r+1;f++,g+=o){let e=c(d,g);e>p&&(e=p);y.push({index:f,offset:e,endOffset:0})}y.sort((e,t)=>e.offset-t.offset);for(f=0;f<r;f++)y[f].endOffset=y[f+1].offset;y.sort((e,t)=>e.index-t.index);var v=Object.create(null),w=0;l(d,0,w);for(f=0,g=o;f<r;f++,g+=o){var k=sanitizeGlyph(m,y[f].offset,y[f].endOffset,b,w,i),S=k.length;0===S&&(v[f]=!0);k.sizeOfInstructions>s&&(s=k.sizeOfInstructions);l(d,g,w+=S)}if(0===w){var C=new Uint8Array([0,1,0,0,0,0,0,0,0,0,0,0,0,0,49,0]);for(f=0,g=o;f<h;f++,g+=o)l(d,g,C.length);t.data=C}else if(n){var x=c(d,o);if(b.length>x+w)t.data=b.subarray(0,x+w);else{t.data=new Uint8Array(x+w);t.data.set(b.subarray(0,w))}t.data.set(b.subarray(0,x),w);l(e.data,d.length-o,w+x)}else t.data=b.subarray(0,w);return{missingGlyphs:v,maxSizeOfInstructions:s}}(h.loca,h.glyf,b,I,x,w,C);A=F.missingGlyphs;if(p>=65536&&h.maxp.length>=22){h.maxp.data[26]=F.maxSizeOfInstructions>>8;h.maxp.data[27]=255&F.maxSizeOfInstructions}}if(!h.hhea)throw new a.FormatError('Required "hhea" table is not found');if(0===h.hhea.data[10]&&0===h.hhea.data[11]){h.hhea.data[10]=255;h.hhea.data[11]=255}var P={unitsPerEm:int16(h.head.data[18],h.head.data[19]),yMax:int16(h.head.data[42],h.head.data[43]),yMin:signedInt16(h.head.data[38],h.head.data[39]),ascent:int16(h.hhea.data[4],h.hhea.data[5]),descent:signedInt16(h.hhea.data[6],h.hhea.data[7])};this.ascent=P.ascent/P.unitsPerEm;this.descent=P.descent/P.unitsPerEm;h.post&&function readPostScriptTable(e,r,i){var n=(t.start?t.start:0)+e.offset;t.pos=n;var s,o=n+e.length,c=t.getInt32();t.skip(28);var l,h=!0;switch(c){case 65536:s=y;break;case 131072:var u=t.getUint16();if(u!==i){h=!1;break}var d=[];for(l=0;l<u;++l){var f=t.getUint16();if(f>=32768){h=!1;break}d.push(f)}if(!h)break;for(var g=[],m=[];t.pos<o;){var p=t.getByte();m.length=p;for(l=0;l<p;++l)m[l]=String.fromCharCode(t.getByte());g.push(m.join(""))}s=[];for(l=0;l<u;++l){var b=d[l];b<258?s.push(y[b]):s.push(g[b-258])}break;case 196608:break;default:(0,a.warn)("Unknown/unsupported post table version "+c);h=!1;r.defaultEncoding&&(s=r.defaultEncoding)}r.glyphNames=s;return h}(h.post,r,b);h.post={tag:"post",data:createPostTable(r)};const E=[];function hasGlyph(e){return!A[e]}if(r.composite){var B=r.cidToGidMap||[],O=0===B.length;r.cMap.forEach((function(e,t){if(t>65535)throw new a.FormatError("Max size of CID is 65,535");var r=-1;O?r=t:void 0!==B[t]&&(r=B[t]);r>=0&&r<b&&hasGlyph(r)&&(E[e]=r)}))}else{var M=function readCmapTable(e,t,r,i){if(!e){(0,a.warn)("No cmap table available.");return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var n,s=(t.start?t.start:0)+e.offset;t.pos=s;t.skip(2);for(var o,c=t.getUint16(),l=!1,h=0;h<c;h++){var u=t.getUint16(),d=t.getUint16(),f=t.getInt32()>>>0,g=!1;if(!o||o.platformId!==u||o.encodingId!==d){if(0!==u||0!==d&&1!==d&&3!==d)if(1===u&&0===d)g=!0;else if(3!==u||1!==d||!i&&o){if(r&&3===u&&0===d){g=!0;l=!0}}else{g=!0;r||(l=!0)}else g=!0;g&&(o={platformId:u,encodingId:d,offset:f});if(l)break}}o&&(t.pos=s+o.offset);if(!o||-1===t.peekByte()){(0,a.warn)("Could not find a preferred cmap table.");return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var m=t.getUint16();t.skip(4);var p,b,y=!1,v=[];if(0===m){for(p=0;p<256;p++){var w=t.getByte();w&&v.push({charCode:p,glyphId:w})}y=!0}else if(4===m){var k=t.getUint16()>>1;t.skip(6);var S,C=[];for(S=0;S<k;S++)C.push({end:t.getUint16()});t.skip(2);for(S=0;S<k;S++)C[S].start=t.getUint16();for(S=0;S<k;S++)C[S].delta=t.getUint16();var x=0;for(S=0;S<k;S++){n=C[S];var A=t.getUint16();if(A){var T=(A>>1)-(k-S);n.offsetIndex=T;x=Math.max(x,T+n.end-n.start+1)}else n.offsetIndex=-1}var I=[];for(p=0;p<x;p++)I.push(t.getUint16());for(S=0;S<k;S++){s=(n=C[S]).start;var F=n.end,P=n.delta;T=n.offsetIndex;for(p=s;p<=F;p++)if(65535!==p){b=(b=T<0?p:I[T+p-s])+P&65535;v.push({charCode:p,glyphId:b})}}}else{if(6!==m){(0,a.warn)("cmap table has unsupported format: "+m);return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var E=t.getUint16(),B=t.getUint16();for(p=0;p<B;p++){b=t.getUint16();var O=E+p;v.push({charCode:O,glyphId:b})}}v.sort((function(e,t){return e.charCode-t.charCode}));for(h=1;h<v.length;h++)if(v[h-1].charCode===v[h].charCode){v.splice(h,1);h--}return{platformId:o.platformId,encodingId:o.encodingId,mappings:v,hasShortCmap:y}}(h.cmap,t,this.isSymbolicFont,r.hasEncoding),D=M.platformId,R=M.encodingId,N=M.mappings,L=N.length;let e=[];!r.hasEncoding||"MacRomanEncoding"!==r.baseEncodingName&&"WinAnsiEncoding"!==r.baseEncodingName||(e=(0,s.getEncoding)(r.baseEncodingName));if(r.hasEncoding&&!this.isSymbolicFont&&(3===D&&1===R||1===D&&0===R)){var _=(0,n.getGlyphsUnicode)();for(let t=0;t<256;t++){var U,q;if(U=this.differences&&t in this.differences?this.differences[t]:t in e&&""!==e[t]?e[t]:s.StandardEncoding[t]){q=recoverGlyphName(U,_);var j;3===D&&1===R?j=_[q]:1===D&&0===R&&(j=s.MacRomanEncoding.indexOf(q));for(let e=0;e<L;++e)if(N[e].charCode===j){E[t]=N[e].glyphId;break}}}}else if(0===D)for(let e=0;e<L;++e)E[N[e].charCode]=N[e].glyphId;else for(let e=0;e<L;++e){let t=N[e].charCode;3===D&&t>=61440&&t<=61695&&(t&=255);E[t]=N[e].glyphId}if(r.glyphNames&&e.length)for(let t=0;t<256;++t)if(void 0===E[t]&&e[t]){U=e[t];const a=r.glyphNames.indexOf(U);a>0&&hasGlyph(a)&&(E[t]=a)}}0===E.length&&(E[0]=0);let H=v-1;w||(H=0);var z=adjustMapping(E,hasGlyph,H);this.toFontChar=z.toFontChar;h.cmap={tag:"cmap",data:createCmapTable(z.charCodeToGlyphId,v)};h["OS/2"]&&function validateOS2Table(e,t){t.pos=(t.start||0)+e.offset;var r=t.getUint16();t.skip(60);var a=t.getUint16();if(r<4&&768&a)return!1;if(t.getUint16()>t.getUint16())return!1;t.skip(6);if(0===t.getUint16())return!1;e.data[8]=e.data[9]=0;return!0}(h["OS/2"],t)||(h["OS/2"]={tag:"OS/2",data:createOS2Table(r,z.charCodeToGlyphId,P)});if(!m)try{g=new d.Stream(h["CFF "].data);f=new i.CFFParser(g,r,!0).parse();f.duplicateFirstGlyph();var G=new i.CFFCompiler(f);h["CFF "].data=G.compile()}catch(e){(0,a.warn)("Failed to compile font "+r.loadedName)}if(h.name){var W=readNameTable(h.name);h.name.data=createNameTable(e,W)}else h.name={tag:"name",data:createNameTable(this.name)};var X=new S(l.version);for(var V in h)X.addTable(V,h[V].data);return X.toArray()},convert:function Font_convert(e,t,r){r.fixedPitch=!1;r.builtInEncoding&&function adjustToUnicode(e,t){if(!e.hasIncludedToUnicodeMap&&!(e.hasEncoding||t===e.defaultEncoding||e.toUnicode instanceof k)){var r=[],a=(0,n.getGlyphsUnicode)();for(var i in t){var s=t[i],o=(0,c.getUnicodeForGlyph)(s,a);-1!==o&&(r[i]=String.fromCharCode(o))}e.toUnicode.amend(r)}}(r,r.builtInEncoding);let i=1;t instanceof T&&(i=t.numGlyphs-1);var o=t.getGlyphMapping(r),l=adjustMapping(o,t.hasGlyphId.bind(t),i);this.toFontChar=l.toFontChar;var h=t.numGlyphs;function getCharCodes(e,t){var r=null;for(var a in e)if(t===e[a]){r||(r=[]);r.push(0|a)}return r}function createCharCode(e,t){for(var r in e)if(t===e[r])return 0|r;l.charCodeToGlyphId[l.nextAvailableFontCharCode]=t;return l.nextAvailableFontCharCode++}var u=t.seacs;if(u&&u.length){var d=r.fontMatrix||a.FONT_IDENTITY_MATRIX,f=t.getCharset(),g=Object.create(null);for(var m in u){var p=u[m|=0],b=s.StandardEncoding[p[2]],y=s.StandardEncoding[p[3]],v=f.indexOf(b),w=f.indexOf(y);if(!(v<0||w<0)){var C={x:p[0]*d[0]+p[1]*d[2]+d[4],y:p[0]*d[1]+p[1]*d[3]+d[5]},x=getCharCodes(o,m);if(x)for(let e=0,t=x.length;e<t;e++){var A=x[e],I=l.charCodeToGlyphId,F=createCharCode(I,v),P=createCharCode(I,w);g[A]={baseFontCharCode:F,accentFontCharCode:P,accentOffset:C}}}}r.seacMap=g}var E=1/(r.fontMatrix||a.FONT_IDENTITY_MATRIX)[0],B=new S("OTTO");B.addTable("CFF ",t.data);B.addTable("OS/2",createOS2Table(r,l.charCodeToGlyphId));B.addTable("cmap",createCmapTable(l.charCodeToGlyphId,h));B.addTable("head","\0
\0\0\0\0\0\0\0\0\0_<õ\0\0"+safeString16(E)+"\0\0\0\0ž\v~'\0\0\0\0ž\v~'\0\0"+safeString16(r.descent)+"ÿ"+safeString16(r.ascent)+string16(r.italicAngle?2:0)+"\0\0\0\0\0\0\0");B.addTable("hhea","\0
\0\0"+safeString16(r.ascent)+safeString16(r.descent)+"\0\0ÿÿ\0\0\0\0\0\0"+safeString16(r.capHeight)+safeString16(Math.tan(r.italicAngle)*r.xHeight)+"\0\0\0\0\0\0\0\0\0\0\0\0"+string16(h));B.addTable("hmtx",function fontFieldsHmtx(){var e=t.charstrings,r=t.cff?t.cff.widths:null,a="\0\0\0\0";for(let t=1,s=h;t<s;t++){var i=0;if(e){var n=e[t-1];i="width"in n?n.width:0}else r&&(i=Math.ceil(r[t]||0));a+=string16(i)+string16(0)}return a}());B.addTable("maxp","\0\0P\0"+string16(h));B.addTable("name",createNameTable(e));B.addTable("post",createPostTable(r));return B.toArray()},get spaceWidth(){for(var e,t=["space","minus","one","i","I"],r=0,i=t.length;r<i;r++){var s=t[r];if(s in this.widths){e=this.widths[s];break}var o=(0,n.getGlyphsUnicode)()[s],c=0;this.composite&&this.cMap.contains(o)&&(c=this.cMap.lookup(o));!c&&this.toUnicode&&(c=this.toUnicode.charCodeOf(o));c<=0&&(c=o);if(e=this.widths[c])break}e=e||this.defaultWidth;return(0,a.shadow)(this,"spaceWidth",e)},charToGlyph:function Font_charToGlyph(e,t){var r,i,n,s=e;this.cMap&&this.cMap.contains(e)&&(s=this.cMap.lookup(e));i=this.widths[s];i=(0,a.isNum)(i)?i:this.defaultWidth;var o=this.vmetrics&&this.vmetrics[s];let l=this.toUnicode.get(e)||this.fallbackToUnicode.get(e)||e;"number"==typeof l&&(l=String.fromCharCode(l));var h=e in this.toFontChar;r=this.toFontChar[e]||e;if(this.missingFile){const t=this.differences[e]||this.defaultEncoding[e];".notdef"!==t&&""!==t||"Type1"!==this.type||(r=32);r=(0,c.mapSpecialUnicodeValues)(r)}this.isType3Font&&(n=r);var u=null;if(this.seacMap&&this.seacMap[e]){h=!0;var d=this.seacMap[e];r=d.baseFontCharCode;u={fontChar:String.fromCodePoint(d.accentFontCharCode),offset:d.accentOffset}}let f="";"number"==typeof r&&(r<=1114111?f=String.fromCodePoint(r):(0,a.warn)("charToGlyph - invalid fontCharCode: "+r));var g=this.glyphCache[e];if(!g||!g.matchesForCache(f,l,u,i,o,n,t,h)){g=new v(f,l,u,i,o,n,t,h);this.glyphCache[e]=g}return g},charsToGlyphs:function Font_charsToGlyphs(e){var t,r,a,i=this.charsCache;if(i&&(t=i[e]))return t;i||(i=this.charsCache=Object.create(null));t=[];var n,s=e,o=0;if(this.cMap)for(var c=Object.create(null);o<e.length;){this.cMap.readCharCode(e,o,c);a=c.charcode;var l=c.length;o+=l;var h=1===l&&32===e.charCodeAt(o-1);r=this.charToGlyph(a,h);t.push(r)}else for(o=0,n=e.length;o<n;++o){a=e.charCodeAt(o);r=this.charToGlyph(a,32===a);t.push(r)}return i[s]=t},get glyphCacheValues(){return Object.values(this.glyphCache)}};return Font}();t.Font=C;var x=function ErrorFontClosure(){function ErrorFont(e){this.error=e;this.loadedName="g_font_error";this.missingFile=!0}ErrorFont.prototype={charsToGlyphs:function ErrorFont_charsToGlyphs(){return[]},exportData(e=!1){return{error:this.error}}};return ErrorFont}();t.ErrorFont=x;function type1FontGlyphMapping(e,t,r){var a,i,o,c=Object.create(null),l=!!(e.flags&b.Symbolic);if(e.baseEncodingName){o=(0,s.getEncoding)(e.baseEncodingName);for(i=0;i<o.length;i++){a=r.indexOf(o[i]);c[i]=a>=0?a:0}}else if(l)for(i in t)c[i]=t[i];else{o=s.StandardEncoding;for(i=0;i<o.length;i++){a=r.indexOf(o[i]);c[i]=a>=0?a:0}}var h,u=e.differences;if(u)for(i in u){var d=u[i];if(-1===(a=r.indexOf(d))){h||(h=(0,n.getGlyphsUnicode)());var f=recoverGlyphName(d,h);f!==d&&(a=r.indexOf(f))}c[i]=a>=0?a:0}return c}var A=function Type1FontClosure(){function findBlock(e,t,r){for(var a,i=e.length,n=t.length,s=i-n,o=r,c=!1;o<s;){a=0;for(;a<n&&e[o+a]===t[a];)a++;if(a>=n){o+=a;for(;o<i&&(0,l.isWhiteSpace)(e[o]);)o++;c=!0;break}o++}return{found:c,length:o}}function Type1Font(e,t,r){var i=r.length1,n=(r.length2,t.peekBytes(6)),s=128===n[0]&&1===n[1];if(s){t.skip(6);i=n[5]<<24|n[4]<<16|n[3]<<8|n[2]}var o=function getHeaderBlock(e,t){var r,i,n,s,o=[101,101,120,101,99],c=e.pos;try{i=(r=e.getBytes(t)).length}catch(e){if(e instanceof l.MissingDataException)throw e}if(i===t&&(n=findBlock(r,o,t-2*o.length)).found&&n.length===t)return{stream:new d.Stream(r),length:t};(0,a.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');e.pos=c;for(;;){if(0===(n=findBlock(e.peekBytes(2048),o,0)).length)break;e.pos+=n.length;if(n.found){s=e.pos-c;break}}e.pos=c;if(s)return{stream:new d.Stream(e.getBytes(s)),length:s};(0,a.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');return{stream:new d.Stream(e.getBytes(t)),length:t}}(t,i);new f.Type1Parser(o.stream,!1,!0).extractFontHeader(r);s&&(n=t.getBytes(6))[5]<<24|n[4]<<16|n[3]<<8|n[2];var c=function getEexecBlock(e,t){var r=e.getBytes();return{stream:new d.Stream(r),length:r.length}}(t),h=new f.Type1Parser(c.stream,!0,!0).extractFontProgram(r);for(const e in h.properties)r[e]=h.properties[e];var u=h.charstrings,g=this.getType2Charstrings(u),m=this.getType2Subrs(h.subrs);this.charstrings=u;this.data=this.wrap(e,g,this.charstrings,m,r);this.seacs=this.getSeacs(h.charstrings)}Type1Font.prototype={get numGlyphs(){return this.charstrings.length+1},getCharset:function Type1Font_getCharset(){for(var e=[".notdef"],t=this.charstrings,r=0;r<t.length;r++)e.push(t[r].glyphName);return e},getGlyphMapping:function Type1Font_getGlyphMapping(e){var t=this.charstrings;if(e.composite){const r=Object.create(null);for(let a=0,i=t.length;a<i;a++){r[e.cMap.charCodeOf(a)]=a+1}return r}var r,a=[".notdef"];for(r=0;r<t.length;r++)a.push(t[r].glyphName);var i=e.builtInEncoding;if(i){var n=Object.create(null);for(var s in i)(r=a.indexOf(i[s]))>=0&&(n[s]=r)}return type1FontGlyphMapping(e,n,a)},hasGlyphId:function Type1Font_hasGlyphID(e){return!(e<0||e>=this.numGlyphs)&&(0===e||this.charstrings[e-1].charstring.length>0)},getSeacs:function Type1Font_getSeacs(e){var t,r,a=[];for(t=0,r=e.length;t<r;t++){var i=e[t];i.seac&&(a[t+1]=i.seac)}return a},getType2Charstrings:function Type1Font_getType2Charstrings(e){for(var t=[],r=0,a=e.length;r<a;r++)t.push(e[r].charstring);return t},getType2Subrs:function Type1Font_getType2Subrs(e){var t=0,r=e.length;t=r<1133?107:r<33769?1131:32768;var a,i=[];for(a=0;a<t;a++)i.push([11]);for(a=0;a<r;a++)i.push(e[a]);return i},wrap:function Type1Font_wrap(e,t,r,a,n){var s=new i.CFF;s.header=new i.CFFHeader(1,0,4,4);s.names=[e];var o=new i.CFFTopDict;o.setByName("version",391);o.setByName("Notice",392);o.setByName("FullName",393);o.setByName("FamilyName",394);o.setByName("Weight",395);o.setByName("Encoding",null);o.setByName("FontMatrix",n.fontMatrix);o.setByName("FontBBox",n.bbox);o.setByName("charset",null);o.setByName("CharStrings",null);o.setByName("Private",null);s.topDict=o;var c=new i.CFFStrings;c.add("Version 0.11");c.add("See original notice");c.add(e);c.add(e);c.add("Medium");s.strings=c;s.globalSubrIndex=new i.CFFIndex;var l,h,u=t.length,d=[".notdef"];for(l=0;l<u;l++){const e=r[l].glyphName;-1===i.CFFStandardStrings.indexOf(e)&&c.add(e);d.push(e)}s.charset=new i.CFFCharset(!1,0,d);var f=new i.CFFIndex;f.add([139,14]);for(l=0;l<u;l++)f.add(t[l]);s.charStrings=f;var g=new i.CFFPrivateDict;g.setByName("Subrs",null);var m=["BlueValues","OtherBlues","FamilyBlues","FamilyOtherBlues","StemSnapH","StemSnapV","BlueShift","BlueFuzz","BlueScale","LanguageGroup","ExpansionFactor","ForceBold","StdHW","StdVW"];for(l=0,h=m.length;l<h;l++){var p=m[l];if(p in n.privateData){var b=n.privateData[p];if(Array.isArray(b))for(var y=b.length-1;y>0;y--)b[y]-=b[y-1];g.setByName(p,b)}}s.topDict.privateDict=g;var v=new i.CFFIndex;for(l=0,h=a.length;l<h;l++)v.add(a[l]);g.subrsIndex=v;return new i.CFFCompiler(s).compile()}};return Type1Font}(),T=function CFFFontClosure(){function CFFFont(e,t){this.properties=t;var r=new i.CFFParser(e,t,!0);this.cff=r.parse();this.cff.duplicateFirstGlyph();var n=new i.CFFCompiler(this.cff);this.seacs=this.cff.seacs;try{this.data=n.compile()}catch(r){(0,a.warn)("Failed to compile font "+t.loadedName);this.data=e}}CFFFont.prototype={get numGlyphs(){return this.cff.charStrings.count},getCharset:function CFFFont_getCharset(){return this.cff.charset.charset},getGlyphMapping:function CFFFont_getGlyphMapping(){var e,t,r=this.cff,a=this.properties,i=r.charset.charset;if(a.composite){e=Object.create(null);let s;if(r.isCIDFont)for(t=0;t<i.length;t++){var n=i[t];s=a.cMap.charCodeOf(n);e[s]=t}else for(t=0;t<r.charStrings.count;t++){s=a.cMap.charCodeOf(t);e[s]=t}return e}return e=type1FontGlyphMapping(a,r.encoding?r.encoding.encoding:null,i)},hasGlyphId:function CFFFont_hasGlyphID(e){return this.cff.hasGlyphId(e)}};return CFFFont}()},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CFFFDSelect=t.CFFCompiler=t.CFFPrivateDict=t.CFFTopDict=t.CFFCharset=t.CFFIndex=t.CFFStrings=t.CFFHeader=t.CFF=t.CFFParser=t.CFFStandardStrings=void 0;var a=r(2),i=r(32),n=r(33),s=[".notdef","space","exclam","quotedbl","numbersign","dollar","percent","ampersand","quoteright","parenleft","parenright","asterisk","plus","comma","hyphen","period","slash","zero","one","two","three","four","five","six","seven","eight","nine","colon","semicolon","less","equal","greater","question","at","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft","backslash","bracketright","asciicircum","underscore","quoteleft","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","braceleft","bar","braceright","asciitilde","exclamdown","cent","sterling","fraction","yen","florin","section","currency","quotesingle","quotedblleft","guillemotleft","guilsinglleft","guilsinglright","fi","fl","endash","dagger","daggerdbl","periodcentered","paragraph","bullet","quotesinglbase","quotedblbase","quotedblright","guillemotright","ellipsis","perthousand","questiondown","grave","acute","circumflex","tilde","macron","breve","dotaccent","dieresis","ring","cedilla","hungarumlaut","ogonek","caron","emdash","AE","ordfeminine","Lslash","Oslash","OE","ordmasculine","ae","dotlessi","lslash","oslash","oe","germandbls","onesuperior","logicalnot","mu","trademark","Eth","onehalf","plusminus","Thorn","onequarter","divide","brokenbar","degree","thorn","threequarters","twosuperior","registered","minus","eth","multiply","threesuperior","copyright","Aacute","Acircumflex","Adieresis","Agrave","Aring","Atilde","Ccedilla","Eacute","Ecircumflex","Edieresis","Egrave","Iacute","Icircumflex","Idieresis","Igrave","Ntilde","Oacute","Ocircumflex","Odieresis","Ograve","Otilde","Scaron","Uacute","Ucircumflex","Udieresis","Ugrave","Yacute","Ydieresis","Zcaron","aacute","acircumflex","adieresis","agrave","aring","atilde","ccedilla","eacute","ecircumflex","edieresis","egrave","iacute","icircumflex","idieresis","igrave","ntilde","oacute","ocircumflex","odieresis","ograve","otilde","scaron","uacute","ucircumflex","udieresis","ugrave","yacute","ydieresis","zcaron","exclamsmall","Hungarumlautsmall","dollaroldstyle","dollarsuperior","ampersandsmall","Acutesmall","parenleftsuperior","parenrightsuperior","twodotenleader","onedotenleader","zerooldstyle","oneoldstyle","twooldstyle","threeoldstyle","fouroldstyle","fiveoldstyle","sixoldstyle","sevenoldstyle","eightoldstyle","nineoldstyle","commasuperior","threequartersemdash","periodsuperior","questionsmall","asuperior","bsuperior","centsuperior","dsuperior","esuperior","isuperior","lsuperior","msuperior","nsuperior","osuperior","rsuperior","ssuperior","tsuperior","ff","ffi","ffl","parenleftinferior","parenrightinferior","Circumflexsmall","hyphensuperior","Gravesmall","Asmall","Bsmall","Csmall","Dsmall","Esmall","Fsmall","Gsmall","Hsmall","Ismall","Jsmall","Ksmall","Lsmall","Msmall","Nsmall","Osmall","Psmall","Qsmall","Rsmall","Ssmall","Tsmall","Usmall","Vsmall","Wsmall","Xsmall","Ysmall","Zsmall","colonmonetary","onefitted","rupiah","Tildesmall","exclamdownsmall","centoldstyle","Lslashsmall","Scaronsmall","Zcaronsmall","Dieresissmall","Brevesmall","Caronsmall","Dotaccentsmall","Macronsmall","figuredash","hypheninferior","Ogoneksmall","Ringsmall","Cedillasmall","questiondownsmall","oneeighth","threeeighths","fiveeighths","seveneighths","onethird","twothirds","zerosuperior","foursuperior","fivesuperior","sixsuperior","sevensuperior","eightsuperior","ninesuperior","zeroinferior","oneinferior","twoinferior","threeinferior","fourinferior","fiveinferior","sixinferior","seveninferior","eightinferior","nineinferior","centinferior","dollarinferior","periodinferior","commainferior","Agravesmall","Aacutesmall","Acircumflexsmall","Atildesmall","Adieresissmall","Aringsmall","AEsmall","Ccedillasmall","Egravesmall","Eacutesmall","Ecircumflexsmall","Edieresissmall","Igravesmall","Iacutesmall","Icircumflexsmall","Idieresissmall","Ethsmall","Ntildesmall","Ogravesmall","Oacutesmall","Ocircumflexsmall","Otildesmall","Odieresissmall","OEsmall","Oslashsmall","Ugravesmall","Uacutesmall","Ucircumflexsmall","Udieresissmall","Yacutesmall","Thornsmall","Ydieresissmall","001.000","001.001","001.002","001.003","Black","Bold","Book","Light","Medium","Regular","Roman","Semibold"];t.CFFStandardStrings=s;var o=function CFFParserClosure(){var e=[null,{id:"hstem",min:2,stackClearing:!0,stem:!0},null,{id:"vstem",min:2,stackClearing:!0,stem:!0},{id:"vmoveto",min:1,stackClearing:!0},{id:"rlineto",min:2,resetStack:!0},{id:"hlineto",min:1,resetStack:!0},{id:"vlineto",min:1,resetStack:!0},{id:"rrcurveto",min:6,resetStack:!0},null,{id:"callsubr",min:1,undefStack:!0},{id:"return",min:0,undefStack:!0},null,null,{id:"endchar",min:0,stackClearing:!0},null,null,null,{id:"hstemhm",min:2,stackClearing:!0,stem:!0},{id:"hintmask",min:0,stackClearing:!0},{id:"cntrmask",min:0,stackClearing:!0},{id:"rmoveto",min:2,stackClearing:!0},{id:"hmoveto",min:1,stackClearing:!0},{id:"vstemhm",min:2,stackClearing:!0,stem:!0},{id:"rcurveline",min:8,resetStack:!0},{id:"rlinecurve",min:8,resetStack:!0},{id:"vvcurveto",min:4,resetStack:!0},{id:"hhcurveto",min:4,resetStack:!0},null,{id:"callgsubr",min:1,undefStack:!0},{id:"vhcurveto",min:4,resetStack:!0},{id:"hvcurveto",min:4,resetStack:!0}],t=[null,null,null,{id:"and",min:2,stackDelta:-1},{id:"or",min:2,stackDelta:-1},{id:"not",min:1,stackDelta:0},null,null,null,{id:"abs",min:1,stackDelta:0},{id:"add",min:2,stackDelta:-1,stackFn:function stack_div(e,t){e[t-2]=e[t-2]+e[t-1]}},{id:"sub",min:2,stackDelta:-1,stackFn:function stack_div(e,t){e[t-2]=e[t-2]-e[t-1]}},{id:"div",min:2,stackDelta:-1,stackFn:function stack_div(e,t){e[t-2]=e[t-2]/e[t-1]}},null,{id:"neg",min:1,stackDelta:0,stackFn:function stack_div(e,t){e[t-1]=-e[t-1]}},{id:"eq",min:2,stackDelta:-1},null,null,{id:"drop",min:1,stackDelta:-1},null,{id:"put",min:2,stackDelta:-2},{id:"get",min:1,stackDelta:0},{id:"ifelse",min:4,stackDelta:-3},{id:"random",min:0,stackDelta:1},{id:"mul",min:2,stackDelta:-1,stackFn:function stack_div(e,t){e[t-2]=e[t-2]*e[t-1]}},null,{id:"sqrt",min:1,stackDelta:0},{id:"dup",min:1,stackDelta:1},{id:"exch",min:2,stackDelta:0},{id:"index",min:2,stackDelta:0},{id:"roll",min:3,stackDelta:-2},null,null,null,{id:"hflex",min:7,resetStack:!0},{id:"flex",min:13,resetStack:!0},{id:"hflex1",min:9,resetStack:!0},{id:"flex1",min:11,resetStack:!0}];return class CFFParser{constructor(e,t,r){this.bytes=e.getBytes();this.properties=t;this.seacAnalysisEnabled=!!r}parse(){var e=this.properties,t=new CFF;this.cff=t;var r=this.parseHeader(),a=this.parseIndex(r.endPos),i=this.parseIndex(a.endPos),n=this.parseIndex(i.endPos),s=this.parseIndex(n.endPos),o=this.parseDict(i.obj.get(0)),l=this.createDict(c,o,t.strings);t.header=r.obj;t.names=this.parseNameIndex(a.obj);t.strings=this.parseStringIndex(n.obj);t.topDict=l;t.globalSubrIndex=s.obj;this.parsePrivateDict(t.topDict);t.isCIDFont=l.hasName("ROS");var h=l.getByName("CharStrings"),u=this.parseIndex(h).obj,d=l.getByName("FontMatrix");d&&(e.fontMatrix=d);var f,g,m=l.getByName("FontBBox");if(m){e.ascent=Math.max(m[3],m[1]);e.descent=Math.min(m[1],m[3]);e.ascentScaled=!0}if(t.isCIDFont){for(var p=this.parseIndex(l.getByName("FDArray")).obj,b=0,y=p.count;b<y;++b){var v=p.get(b),w=this.createDict(c,this.parseDict(v),t.strings);this.parsePrivateDict(w);t.fdArray.push(w)}g=null;f=this.parseCharsets(l.getByName("charset"),u.count,t.strings,!0);t.fdSelect=this.parseFDSelect(l.getByName("FDSelect"),u.count)}else{f=this.parseCharsets(l.getByName("charset"),u.count,t.strings,!1);g=this.parseEncoding(l.getByName("Encoding"),e,t.strings,f.charset)}t.charset=f;t.encoding=g;var k=this.parseCharStrings({charStrings:u,localSubrIndex:l.privateDict.subrsIndex,globalSubrIndex:s.obj,fdSelect:t.fdSelect,fdArray:t.fdArray,privateDict:l.privateDict});t.charStrings=k.charStrings;t.seacs=k.seacs;t.widths=k.widths;return t}parseHeader(){for(var e=this.bytes,t=e.length,r=0;r<t&&1!==e[r];)++r;if(r>=t)throw new a.FormatError("Invalid CFF header");if(0!==r){(0,a.info)("cff data is shifted");e=e.subarray(r);this.bytes=e}var i=e[0],n=e[1],s=e[2],o=e[3];return{obj:new CFFHeader(i,n,s,o),endPos:s}}parseDict(e){var t=0;function parseOperand(){var r=e[t++];if(30===r)return function parseFloatOperand(){var r="";const a=["0","1","2","3","4","5","6","7","8","9",".","E","E-",null,"-"];var i=e.length;for(;t<i;){var n=e[t++],s=n>>4,o=15&n;if(15===s)break;r+=a[s];if(15===o)break;r+=a[o]}return parseFloat(r)}();if(28===r)return r=((r=e[t++])<<24|e[t++]<<16)>>16;if(29===r)return r=(r=(r=(r=e[t++])<<8|e[t++])<<8|e[t++])<<8|e[t++];if(r>=32&&r<=246)return r-139;if(r>=247&&r<=250)return 256*(r-247)+e[t++]+108;if(r>=251&&r<=254)return-256*(r-251)-e[t++]-108;(0,a.warn)('CFFParser_parseDict: "'+r+'" is a reserved command.');return NaN}var r=[],i=[];t=0;for(var n=e.length;t<n;){var s=e[t];if(s<=21){12===s&&(s=s<<8|e[++t]);i.push([s,r]);r=[];++t}else r.push(parseOperand())}return i}parseIndex(e){var t,r,a=new CFFIndex,i=this.bytes,n=i[e++]<<8|i[e++],s=[],o=e;if(0!==n){var c=i[e++],l=e+(n+1)*c-1;for(t=0,r=n+1;t<r;++t){for(var h=0,u=0;u<c;++u){h<<=8;h+=i[e++]}s.push(l+h)}o=s[n]}for(t=0,r=s.length-1;t<r;++t){var d=s[t],f=s[t+1];a.add(i.subarray(d,f))}return{obj:a,endPos:o}}parseNameIndex(e){for(var t=[],r=0,i=e.count;r<i;++r){var n=e.get(r);t.push((0,a.bytesToString)(n))}return t}parseStringIndex(e){for(var t=new CFFStrings,r=0,i=e.count;r<i;++r){var n=e.get(r);t.add((0,a.bytesToString)(n))}return t}createDict(e,t,r){for(var a=new e(r),i=0,n=t.length;i<n;++i){var s=t[i],o=s[0],c=s[1];a.setByKey(o,c)}return a}parseCharString(r,i,n,s){if(!i||r.callDepth>10)return!1;for(var o=r.stackSize,c=r.stack,l=i.length,h=0;h<l;){var u=i[h++],d=null;if(12===u){var f=i[h++];if(0===f){i[h-2]=139;i[h-1]=22;o=0}else d=t[f]}else if(28===u){c[o]=(i[h]<<24|i[h+1]<<16)>>16;h+=2;o++}else if(14===u){if(o>=4){o-=4;if(this.seacAnalysisEnabled){r.seac=c.slice(o,o+4);return!1}}d=e[u]}else if(u>=32&&u<=246){c[o]=u-139;o++}else if(u>=247&&u<=254){c[o]=u<251?(u-247<<8)+i[h]+108:-(u-251<<8)-i[h]-108;h++;o++}else if(255===u){c[o]=(i[h]<<24|i[h+1]<<16|i[h+2]<<8|i[h+3])/65536;h+=4;o++}else if(19===u||20===u){r.hints+=o>>1;h+=r.hints+7>>3;o%=2;d=e[u]}else{if(10===u||29===u){var g;if(!(g=10===u?n:s)){d=e[u];(0,a.warn)("Missing subrsIndex for "+d.id);return!1}var m=32768;g.count<1240?m=107:g.count<33900&&(m=1131);var p=c[--o]+m;if(p<0||p>=g.count||isNaN(p)){d=e[u];(0,a.warn)("Out of bounds subrIndex for "+d.id);return!1}r.stackSize=o;r.callDepth++;if(!this.parseCharString(r,g.get(p),n,s))return!1;r.callDepth--;o=r.stackSize;continue}if(11===u){r.stackSize=o;return!0}d=e[u]}if(d){if(d.stem){r.hints+=o>>1;if(3===u||23===u)r.hasVStems=!0;else if(r.hasVStems&&(1===u||18===u)){(0,a.warn)("CFF stem hints are in wrong order");i[h-1]=1===u?3:23}}if("min"in d&&!r.undefStack&&o<d.min){(0,a.warn)("Not enough parameters for "+d.id+"; actual: "+o+", expected: "+d.min);return!1}if(r.firstStackClearing&&d.stackClearing){r.firstStackClearing=!1;(o-=d.min)>=2&&d.stem?o%=2:o>1&&(0,a.warn)("Found too many parameters for stack-clearing command");o>0&&c[o-1]>=0&&(r.width=c[o-1])}if("stackDelta"in d){"stackFn"in d&&d.stackFn(c,o);o+=d.stackDelta}else if(d.stackClearing)o=0;else if(d.resetStack){o=0;r.undefStack=!1}else if(d.undefStack){o=0;r.undefStack=!0;r.firstStackClearing=!1}}}r.stackSize=o;return!0}parseCharStrings({charStrings:e,localSubrIndex:t,globalSubrIndex:r,fdSelect:i,fdArray:n,privateDict:s}){for(var o=[],c=[],l=e.count,h=0;h<l;h++){var u=e.get(h),d={callDepth:0,stackSize:0,stack:[],undefStack:!0,hints:0,firstStackClearing:!0,seac:null,width:null,hasVStems:!1},f=!0,g=null,m=s;if(i&&n.length){var p=i.getFDIndex(h);if(-1===p){(0,a.warn)("Glyph index is not in fd select.");f=!1}if(p>=n.length){(0,a.warn)("Invalid fd index for glyph index.");f=!1}f&&(g=(m=n[p].privateDict).subrsIndex)}else t&&(g=t);f&&(f=this.parseCharString(d,u,g,r));if(null!==d.width){const e=m.getByName("nominalWidthX");c[h]=e+d.width}else{const e=m.getByName("defaultWidthX");c[h]=e}null!==d.seac&&(o[h]=d.seac);f||e.set(h,new Uint8Array([14]))}return{charStrings:e,seacs:o,widths:c}}emptyPrivateDictionary(e){var t=this.createDict(l,[],e.strings);e.setByKey(18,[0,0]);e.privateDict=t}parsePrivateDict(e){if(e.hasName("Private")){var t=e.getByName("Private");if(Array.isArray(t)&&2===t.length){var r=t[0],a=t[1];if(0===r||a>=this.bytes.length)this.emptyPrivateDictionary(e);else{var i=a+r,n=this.bytes.subarray(a,i),s=this.parseDict(n),o=this.createDict(l,s,e.strings);e.privateDict=o;if(o.getByName("Subrs")){var c=o.getByName("Subrs"),h=a+c;if(0===c||h>=this.bytes.length)this.emptyPrivateDictionary(e);else{var u=this.parseIndex(h);o.subrsIndex=u.obj}}}}else e.removeByName("Private")}else this.emptyPrivateDictionary(e)}parseCharsets(e,t,r,n){if(0===e)return new CFFCharset(!0,h.ISO_ADOBE,i.ISOAdobeCharset);if(1===e)return new CFFCharset(!0,h.EXPERT,i.ExpertCharset);if(2===e)return new CFFCharset(!0,h.EXPERT_SUBSET,i.ExpertSubsetCharset);var s=this.bytes,o=e,c=s[e++];const l=[n?0:".notdef"];var u,d,f;t-=1;switch(c){case 0:for(f=0;f<t;f++){u=s[e++]<<8|s[e++];l.push(n?u:r.get(u))}break;case 1:for(;l.length<=t;){u=s[e++]<<8|s[e++];d=s[e++];for(f=0;f<=d;f++)l.push(n?u++:r.get(u++))}break;case 2:for(;l.length<=t;){u=s[e++]<<8|s[e++];d=s[e++]<<8|s[e++];for(f=0;f<=d;f++)l.push(n?u++:r.get(u++))}break;default:throw new a.FormatError("Unknown charset format")}var g=e,m=s.subarray(o,g);return new CFFCharset(!1,c,l,m)}parseEncoding(e,t,r,i){var s,o,c,l=Object.create(null),h=this.bytes,u=!1,d=null;if(0===e||1===e){u=!0;s=e;var f=e?n.ExpertEncoding:n.StandardEncoding;for(o=0,c=i.length;o<c;o++){var g=f.indexOf(i[o]);-1!==g&&(l[g]=o)}}else{var m=e;switch(127&(s=h[e++])){case 0:var p=h[e++];for(o=1;o<=p;o++)l[h[e++]]=o;break;case 1:var b=h[e++],y=1;for(o=0;o<b;o++)for(var v=h[e++],w=h[e++],k=v;k<=v+w;k++)l[k]=y++;break;default:throw new a.FormatError(`Unknown encoding format: ${s} in CFF`)}var S=e;if(128&s){h[m]&=127;!function readSupplement(){var t=h[e++];for(o=0;o<t;o++){var a=h[e++],n=(h[e++]<<8)+(255&h[e++]);l[a]=i.indexOf(r.get(n))}}()}d=h.subarray(m,S)}return new CFFEncoding(u,s&=127,l,d)}parseFDSelect(e,t){var r,i=this.bytes,n=i[e++],s=[];switch(n){case 0:for(r=0;r<t;++r){var o=i[e++];s.push(o)}break;case 3:var c=i[e++]<<8|i[e++];for(r=0;r<c;++r){var l=i[e++]<<8|i[e++];if(0===r&&0!==l){(0,a.warn)("parseFDSelect: The first range must have a first GID of 0 -- trying to recover.");l=0}for(var h=i[e++],u=i[e]<<8|i[e+1],d=l;d<u;++d)s.push(h)}e+=2;break;default:throw new a.FormatError(`parseFDSelect: Unknown format "${n}".`)}if(s.length!==t)throw new a.FormatError("parseFDSelect: Invalid font data.");return new CFFFDSelect(n,s)}}}();t.CFFParser=o;class CFF{constructor(){this.header=null;this.names=[];this.topDict=null;this.strings=new CFFStrings;this.globalSubrIndex=null;this.encoding=null;this.charset=null;this.charStrings=null;this.fdArray=[];this.fdSelect=null;this.isCIDFont=!1}duplicateFirstGlyph(){if(this.charStrings.count>=65535)(0,a.warn)("Not enough space in charstrings to duplicate first glyph.");else{var e=this.charStrings.get(0);this.charStrings.add(e);this.isCIDFont&&this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0])}}hasGlyphId(e){return!(e<0||e>=this.charStrings.count)&&this.charStrings.get(e).length>0}}t.CFF=CFF;class CFFHeader{constructor(e,t,r,a){this.major=e;this.minor=t;this.hdrSize=r;this.offSize=a}}t.CFFHeader=CFFHeader;class CFFStrings{constructor(){this.strings=[]}get(e){return e>=0&&e<=390?s[e]:e-391<=this.strings.length?this.strings[e-391]:s[0]}getSID(e){let t=s.indexOf(e);if(-1!==t)return t;t=this.strings.indexOf(e);return-1!==t?t+391:-1}add(e){this.strings.push(e)}get count(){return this.strings.length}}t.CFFStrings=CFFStrings;class CFFIndex{constructor(){this.objects=[];this.length=0}add(e){this.length+=e.length;this.objects.push(e)}set(e,t){this.length+=t.length-this.objects[e].length;this.objects[e]=t}get(e){return this.objects[e]}get count(){return this.objects.length}}t.CFFIndex=CFFIndex;class CFFDict{constructor(e,t){this.keyToNameMap=e.keyToNameMap;this.nameToKeyMap=e.nameToKeyMap;this.defaults=e.defaults;this.types=e.types;this.opcodes=e.opcodes;this.order=e.order;this.strings=t;this.values=Object.create(null)}setByKey(e,t){if(!(e in this.keyToNameMap))return!1;var r=t.length;if(0===r)return!0;for(var i=0;i<r;i++)if(isNaN(t[i])){(0,a.warn)('Invalid CFFDict value: "'+t+'" for key "'+e+'".');return!0}var n=this.types[e];"num"!==n&&"sid"!==n&&"offset"!==n||(t=t[0]);this.values[e]=t;return!0}setByName(e,t){if(!(e in this.nameToKeyMap))throw new a.FormatError(`Invalid dictionary name "${e}"`);this.values[this.nameToKeyMap[e]]=t}hasName(e){return this.nameToKeyMap[e]in this.values}getByName(e){if(!(e in this.nameToKeyMap))throw new a.FormatError(`Invalid dictionary name ${e}"`);var t=this.nameToKeyMap[e];return t in this.values?this.values[t]:this.defaults[t]}removeByName(e){delete this.values[this.nameToKeyMap[e]]}static createTables(e){for(var t={keyToNameMap:{},nameToKeyMap:{},defaults:{},types:{},opcodes:{},order:[]},r=0,a=e.length;r<a;++r){var i=e[r],n=Array.isArray(i[0])?(i[0][0]<<8)+i[0][1]:i[0];t.keyToNameMap[n]=i[1];t.nameToKeyMap[i[1]]=n;t.types[n]=i[2];t.defaults[n]=i[3];t.opcodes[n]=Array.isArray(i[0])?i[0]:[i[0]];t.order.push(n)}return t}}var c=function CFFTopDictClosure(){var e=[[[12,30],"ROS",["sid","sid","num"],null],[[12,20],"SyntheticBase","num",null],[0,"version","sid",null],[1,"Notice","sid",null],[[12,0],"Copyright","sid",null],[2,"FullName","sid",null],[3,"FamilyName","sid",null],[4,"Weight","sid",null],[[12,1],"isFixedPitch","num",0],[[12,2],"ItalicAngle","num",0],[[12,3],"UnderlinePosition","num",-100],[[12,4],"UnderlineThickness","num",50],[[12,5],"PaintType","num",0],[[12,6],"CharstringType","num",2],[[12,7],"FontMatrix",["num","num","num","num","num","num"],[.001,0,0,.001,0,0]],[13,"UniqueID","num",null],[5,"FontBBox",["num","num","num","num"],[0,0,0,0]],[[12,8],"StrokeWidth","num",0],[14,"XUID","array",null],[15,"charset","offset",0],[16,"Encoding","offset",0],[17,"CharStrings","offset",0],[18,"Private",["offset","offset"],null],[[12,21],"PostScript","sid",null],[[12,22],"BaseFontName","sid",null],[[12,23],"BaseFontBlend","delta",null],[[12,31],"CIDFontVersion","num",0],[[12,32],"CIDFontRevision","num",0],[[12,33],"CIDFontType","num",0],[[12,34],"CIDCount","num",8720],[[12,35],"UIDBase","num",null],[[12,37],"FDSelect","offset",null],[[12,36],"FDArray","offset",null],[[12,38],"FontName","sid",null]],t=null;return 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CFFCharset{constructor(e,t,r,a){this.predefined=e;this.format=t;this.charset=r;this.raw=a}}t.CFFCharset=CFFCharset;class CFFEncoding{constructor(e,t,r,a){this.predefined=e;this.format=t;this.encoding=r;this.raw=a}}class CFFFDSelect{constructor(e,t){this.format=e;this.fdSelect=t}getFDIndex(e){return e<0||e>=this.fdSelect.length?-1:this.fdSelect[e]}}t.CFFFDSelect=CFFFDSelect;class CFFOffsetTracker{constructor(){this.offsets=Object.create(null)}isTracking(e){return e in this.offsets}track(e,t){if(e in this.offsets)throw new a.FormatError("Already tracking location of "+e);this.offsets[e]=t}offset(e){for(var t in this.offsets)this.offsets[t]+=e}setEntryLocation(e,t,r){if(!(e in this.offsets))throw new a.FormatError("Not tracking location of "+e);for(var i=r.data,n=this.offsets[e],s=0,o=t.length;s<o;++s){var c=5*s+n,l=c+1,h=c+2,u=c+3,d=c+4;if(29!==i[c]||0!==i[l]||0!==i[h]||0!==i[u]||0!==i[d])throw new a.FormatError("writing to an offset that is not empty");var f=t[s];i[c]=29;i[l]=f>>24&255;i[h]=f>>16&255;i[u]=f>>8&255;i[d]=255&f}}}class CFFCompiler{constructor(e){this.cff=e}compile(){var e=this.cff,t={data:[],length:0,add:function CFFCompiler_add(e){this.data=this.data.concat(e);this.length=this.data.length}},r=this.compileHeader(e.header);t.add(r);var i=this.compileNameIndex(e.names);t.add(i);if(e.isCIDFont&&e.topDict.hasName("FontMatrix")){var n=e.topDict.getByName("FontMatrix");e.topDict.removeByName("FontMatrix");for(var s=0,o=e.fdArray.length;s<o;s++){var c=e.fdArray[s],l=n.slice(0);c.hasName("FontMatrix")&&(l=a.Util.transform(l,c.getByName("FontMatrix")));c.setByName("FontMatrix",l)}}e.topDict.setByName("charset",0);var h=this.compileTopDicts([e.topDict],t.length,e.isCIDFont);t.add(h.output);var u=h.trackers[0],d=this.compileStringIndex(e.strings.strings);t.add(d);var f=this.compileIndex(e.globalSubrIndex);t.add(f);if(e.encoding&&e.topDict.hasName("Encoding"))if(e.encoding.predefined)u.setEntryLocation("Encoding",[e.encoding.format],t);else{var g=this.compileEncoding(e.encoding);u.setEntryLocation("Encoding",[t.length],t);t.add(g)}var m=this.compileCharset(e.charset,e.charStrings.count,e.strings,e.isCIDFont);u.setEntryLocation("charset",[t.length],t);t.add(m);var p=this.compileCharStrings(e.charStrings);u.setEntryLocation("CharStrings",[t.length],t);t.add(p);if(e.isCIDFont){u.setEntryLocation("FDSelect",[t.length],t);var b=this.compileFDSelect(e.fdSelect);t.add(b);h=this.compileTopDicts(e.fdArray,t.length,!0);u.setEntryLocation("FDArray",[t.length],t);t.add(h.output);var y=h.trackers;this.compilePrivateDicts(e.fdArray,y,t)}this.compilePrivateDicts([e.topDict],[u],t);t.add([0]);return t.data}encodeNumber(e){return Number.isInteger(e)?this.encodeInteger(e):this.encodeFloat(e)}static get 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l=n[c];(l<"!"||l>"~"||"["===l||"]"===l||"("===l||")"===l||"{"===l||"}"===l||"<"===l||">"===l||"/"===l||"%"===l)&&(l="_");o[c]=l}""===(o=o.join(""))&&(o="Bad_Font_Name");t.add((0,a.stringToBytes)(o))}return this.compileIndex(t)}compileTopDicts(e,t,r){for(var a=[],i=new CFFIndex,n=0,s=e.length;n<s;++n){var o=e[n];if(r){o.removeByName("CIDFontVersion");o.removeByName("CIDFontRevision");o.removeByName("CIDFontType");o.removeByName("CIDCount");o.removeByName("UIDBase")}var c=new CFFOffsetTracker,l=this.compileDict(o,c);a.push(c);i.add(l);c.offset(t)}return{trackers:a,output:i=this.compileIndex(i,a)}}compilePrivateDicts(e,t,r){for(var i=0,n=e.length;i<n;++i){var s=e[i],o=s.privateDict;if(!o||!s.hasName("Private"))throw new a.FormatError("There must be a private dictionary.");var c=new CFFOffsetTracker,l=this.compileDict(o,c),h=r.length;c.offset(h);l.length||(h=0);t[i].setEntryLocation("Private",[l.length,h],r);r.add(l);if(o.subrsIndex&&o.hasName("Subrs")){var u=this.compileIndex(o.subrsIndex);c.setEntryLocation("Subrs",[l.length],r);r.add(u)}}}compileDict(e,t){for(var r=[],i=e.order,n=0;n<i.length;++n){var s=i[n];if(s in e.values){var o=e.values[s],c=e.types[s];Array.isArray(c)||(c=[c]);Array.isArray(o)||(o=[o]);if(0!==o.length){for(var l=0,h=c.length;l<h;++l){var u=c[l],d=o[l];switch(u){case"num":case"sid":r=r.concat(this.encodeNumber(d));break;case"offset":var f=e.keyToNameMap[s];t.isTracking(f)||t.track(f,r.length);r=r.concat([29,0,0,0,0]);break;case"array":case"delta":r=r.concat(this.encodeNumber(d));for(var g=1,m=o.length;g<m;++g)r=r.concat(this.encodeNumber(o[g]));break;default:throw new a.FormatError("Unknown data type of "+u)}}r=r.concat(e.opcodes[s])}}}return r}compileStringIndex(e){for(var t=new CFFIndex,r=0,i=e.length;r<i;++r)t.add((0,a.stringToBytes)(e[r]));return this.compileIndex(t)}compileGlobalSubrIndex(){var e=this.cff.globalSubrIndex;this.out.writeByteArray(this.compileIndex(e))}compileCharStrings(e){for(var t=new CFFIndex,r=0;r<e.count;r++){var a=e.get(r);0!==a.length?t.add(a):t.add(new Uint8Array([139,14]))}return this.compileIndex(t)}compileCharset(e,t,r,i){let n;const s=t-1;if(i)n=new Uint8Array([2,0,0,s>>8&255,255&s]);else{n=new Uint8Array(1+2*s);n[0]=0;let t=0;const i=e.charset.length;let o=!1;for(let s=1;s<n.length;s+=2){let c=0;if(t<i){const i=e.charset[t++];c=r.getSID(i);if(-1===c){c=0;if(!o){o=!0;(0,a.warn)(`Couldn't find ${i} in CFF strings`)}}}n[s]=c>>8&255;n[s+1]=255&c}}return this.compileTypedArray(n)}compileEncoding(e){return this.compileTypedArray(e.raw)}compileFDSelect(e){const t=e.format;let r,a;switch(t){case 0:r=new Uint8Array(1+e.fdSelect.length);r[0]=t;for(a=0;a<e.fdSelect.length;a++)r[a+1]=e.fdSelect[a];break;case 3:const i=0;let n=e.fdSelect[0];const s=[t,0,0,i>>8&255,255&i,n];for(a=1;a<e.fdSelect.length;a++){const t=e.fdSelect[a];if(t!==n){s.push(a>>8&255,255&a,t);n=t}}const o=(s.length-3)/3;s[1]=o>>8&255;s[2]=255&o;s.push(a>>8&255,255&a);r=new Uint8Array(s)}return 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ertedbreve=522;e.Iishortcyrillic=1049;e.Imacron=298;e.Imacroncyrillic=1250;e.Imonospace=65321;e.Iniarmenian=1339;e.Iocyrillic=1025;e.Iogonek=302;e.Iota=921;e.Iotaafrican=406;e.Iotadieresis=938;e.Iotatonos=906;e.Ismall=63337;e.Istroke=407;e.Itilde=296;e.Itildebelow=7724;e.Izhitsacyrillic=1140;e.Izhitsadblgravecyrillic=1142;e.J=74;e.Jaarmenian=1345;e.Jcircle=9407;e.Jcircumflex=308;e.Jecyrillic=1032;e.Jheharmenian=1355;e.Jmonospace=65322;e.Jsmall=63338;e.K=75;e.KBsquare=13189;e.KKsquare=13261;e.Kabashkircyrillic=1184;e.Kacute=7728;e.Kacyrillic=1050;e.Kadescendercyrillic=1178;e.Kahookcyrillic=1219;e.Kappa=922;e.Kastrokecyrillic=1182;e.Kaverticalstrokecyrillic=1180;e.Kcaron=488;e.Kcedilla=310;e.Kcircle=9408;e.Kcommaaccent=310;e.Kdotbelow=7730;e.Keharmenian=1364;e.Kenarmenian=1343;e.Khacyrillic=1061;e.Kheicoptic=998;e.Khook=408;e.Kjecyrillic=1036;e.Klinebelow=7732;e.Kmonospace=65323;e.Koppacyrillic=1152;e.Koppagreek=990;e.Ksicyrillic=1134;e.Ksmall=63339;e.L=76;e.LJ=455;e.LL=63167;e.Lacute=313;e.Lambda=923;e.Lcaron=317;e.Lcedilla=315;e.Lcircle=9409;e.Lcircumflexbelow=7740;e.Lcommaaccent=315;e.Ldot=319;e.Ldotaccent=319;e.Ldotbelow=7734;e.Ldotbelowmacron=7736;e.Liwnarmenian=1340;e.Lj=456;e.Ljecyrillic=1033;e.Llinebelow=7738;e.Lmonospace=65324;e.Lslash=321;e.Lslashsmall=63225;e.Lsmall=63340;e.M=77;e.MBsquare=13190;e.Macron=63184;e.Macronsmall=63407;e.Macute=7742;e.Mcircle=9410;e.Mdotaccent=7744;e.Mdotbelow=7746;e.Menarmenian=1348;e.Mmonospace=65325;e.Msmall=63341;e.Mturned=412;e.Mu=924;e.N=78;e.NJ=458;e.Nacute=323;e.Ncaron=327;e.Ncedilla=325;e.Ncircle=9411;e.Ncircumflexbelow=7754;e.Ncommaaccent=325;e.Ndotaccent=7748;e.Ndotbelow=7750;e.Nhookleft=413;e.Nineroman=8552;e.Nj=459;e.Njecyrillic=1034;e.Nlinebelow=7752;e.Nmonospace=65326;e.Nowarmenian=1350;e.Nsmall=63342;e.Ntilde=209;e.Ntildesmall=63473;e.Nu=925;e.O=79;e.OE=338;e.OEsmall=63226;e.Oacute=211;e.Oacutesmall=63475;e.Obarredcyrillic=1256;e.Obarreddieresiscyrillic=1258;e.Obreve=334;e.Ocaron=465;e.Ocenteredtilde=415;e.Ocircle=9412;e.Ocircumflex=212;e.Ocircumflexacute=7888;e.Ocircumflexdotbelow=7896;e.Ocircumflexgrave=7890;e.Ocircumflexhookabove=7892;e.Ocircumflexsmall=63476;e.Ocircumflextilde=7894;e.Ocyrillic=1054;e.Odblacute=336;e.Odblgrave=524;e.Odieresis=214;e.Odieresiscyrillic=1254;e.Odieresissmall=63478;e.Odotbelow=7884;e.Ogoneksmall=63227;e.Ograve=210;e.Ogravesmall=63474;e.Oharmenian=1365;e.Ohm=8486;e.Ohookabove=7886;e.Ohorn=416;e.Ohornacute=7898;e.Ohorndotbelow=7906;e.Ohorngrave=7900;e.Ohornhookabove=7902;e.Ohorntilde=7904;e.Ohungarumlaut=336;e.Oi=418;e.Oinvertedbreve=526;e.Omacron=332;e.Omacronacute=7762;e.Omacrongrave=7760;e.Omega=8486;e.Omegacyrillic=1120;e.Omegagreek=937;e.Omegaroundcyrillic=1146;e.Omegatitlocyrillic=1148;e.Omegatonos=911;e.Omicron=927;e.Omicrontonos=908;e.Omonospace=65327;e.Oneroman=8544;e.Oogonek=490;e.Oogonekmacron=492;e.Oopen=390;e.Oslash=216;e.Oslashacute=510;e.Oslashsmall=63480;e.Osmall=63343;e.Ostrokeacute=510;e.Otcyrillic=1150;e.Otilde=213;e.Otildeacute=7756;e.Otildedieresis=7758;e.Otildesmall=63477;e.P=80;e.Pacute=7764;e.Pcircle=9413;e.Pdotaccent=7766;e.Pecyrillic=1055;e.Peharmenian=1354;e.Pemiddlehookcyrillic=1190;e.Phi=934;e.Phook=420;e.Pi=928;e.Piwrarmenian=1363;e.Pmonospace=65328;e.Psi=936;e.Psicyrillic=1136;e.Psmall=63344;e.Q=81;e.Qcircle=9414;e.Qmonospace=65329;e.Qsmall=63345;e.R=82;e.Raarmenian=1356;e.Racute=340;e.Rcaron=344;e.Rcedilla=342;e.Rcircle=9415;e.Rcommaaccent=342;e.Rdblgrave=528;e.Rdotaccent=7768;e.Rdotbelow=7770;e.Rdotbelowmacron=7772;e.Reharmenian=1360;e.Rfraktur=8476;e.Rho=929;e.Ringsmall=63228;e.Rinvertedbreve=530;e.Rlinebelow=7774;e.Rmonospace=65330;e.Rsmall=63346;e.Rsmallinverted=641;e.Rsmallinvertedsuperior=694;e.S=83;e.SF010000=9484;e.SF020000=9492;e.SF030000=9488;e.SF040000=9496;e.SF050000=9532;e.SF060000=9516;e.SF070000=9524;e.SF080000=9500;e.SF090000=9508;e.SF100000=9472;e.SF110000=9474;e.SF190000=9569;e.SF200000=9570;e.SF210000=9558;e.SF220000=9557;e.SF230000=9571;e.SF240000=9553;e.SF250000=9559;e.SF260000=9565;e.SF270000=9564;e.SF280000=9563;e.SF360000=9566;e.SF370000=9567;e.SF380000=9562;e.SF390000=9556;e.SF400000=9577;e.SF410000=9574;e.SF420000=9568;e.SF430000=9552;e.SF440000=9580;e.SF450000=9575;e.SF460000=9576;e.SF470000=9572;e.SF480000=9573;e.SF490000=9561;e.SF500000=9560;e.SF510000=9554;e.SF520000=9555;e.SF530000=9579;e.SF540000=9578;e.Sacute=346;e.Sacutedotaccent=7780;e.Sampigreek=992;e.Scaron=352;e.Scarondotaccent=7782;e.Scaronsmall=63229;e.Scedilla=350;e.Schwa=399;e.Schwacyrillic=1240;e.Schwadieresiscyrillic=1242;e.Scircle=9416;e.Scircumflex=348;e.Scommaaccent=536;e.Sdotaccent=7776;e.Sdotbelow=7778;e.Sdotbelowdotaccent=7784;e.Seharmenian=1357;e.Sevenroman=8550;e.Shaarmenian=1351;e.Shacyrillic=1064;e.Shchacyrillic=1065;e.Sheicoptic=994;e.Shhacyrillic=1210;e.Shimacoptic=1004;e.Sigma=931;e.Sixroman=8549;e.Smonospace=65331;e.Softsigncyrillic=1068;e.Ssmall=63347;e.Stigmagreek=986;e.T=84;e.Tau=932;e.Tbar=358;e.Tcaron=356;e.Tcedilla=354;e.Tcircle=9417;e.Tcircumflexbelow=7792;e.Tcommaaccent=354;e.Tdotaccent=7786;e.Tdotbelow=7788;e.Tecyrillic=1058;e.Tedescendercyrillic=1196;e.Tenroman=8553;e.Tetsecyrillic=1204;e.Theta=920;e.Thook=428;e.Thorn=222;e.Thornsmall=63486;e.Threeroman=8546;e.Tildesmall=63230;e.Tiwnarmenian=1359;e.Tlinebelow=7790;e.Tmonospace=65332;e.Toarmenian=1337;e.Tonefive=444;e.Tonesix=388;e.Tonetwo=423;e.Tretroflexhook=430;e.Tsecyrillic=1062;e.Tshecyrillic=1035;e.Tsmall=63348;e.Twelveroman=8555;e.Tworoman=8545;e.U=85;e.Uacute=218;e.Uacutesmall=63482;e.Ubreve=364;e.Ucaron=467;e.Ucircle=9418;e.Ucircumflex=219;e.Ucircumflexbelow=7798;e.Ucircumflexsmall=63483;e.Ucyrillic=1059;e.Udblacute=368;e.Udblgrave=532;e.Udieresis=220;e.Udieresisacute=471;e.Udieresisbelow=7794;e.Udieresiscaron=473;e.Udieresiscyrillic=1264;e.Udieresisgrave=475;e.Udieresismacron=469;e.Udieresissmall=63484;e.Udotbelow=7908;e.Ugrave=217;e.Ugravesmall=63481;e.Uhookabove=7910;e.Uhorn=431;e.Uhornacute=7912;e.Uhorndotbelow=7920;e.Uhorngrave=7914;e.Uhornhookabove=7916;e.Uhorntilde=7918;e.Uhungarumlaut=368;e.Uhungarumlautcyrillic=1266;e.Uinvertedbreve=534;e.Ukcyrillic=1144;e.Umacron=362;e.Umacroncyrillic=1262;e.Umacrondieresis=7802;e.Umonospace=65333;e.Uogonek=370;e.Upsilon=933;e.Upsilon1=978;e.Upsilonacutehooksymbolgreek=979;e.Upsilonafrican=433;e.Upsilondieresis=939;e.Upsilondieresishooksymbolgreek=980;e.Upsilonhooksymbol=978;e.Upsilontonos=910;e.Uring=366;e.Ushortcyrillic=1038;e.Usmall=63349;e.Ustraightcyrillic=1198;e.Ustraightstrokecyrillic=1200;e.Utilde=360;e.Utildeacute=7800;e.Utildebelow=7796;e.V=86;e.Vcircle=9419;e.Vdotbelow=7806;e.Vecyrillic=1042;e.Vewarmenian=1358;e.Vhook=434;e.Vmonospace=65334;e.Voarmenian=1352;e.Vsmall=63350;e.Vtilde=7804;e.W=87;e.Wacute=7810;e.Wcircle=9420;e.Wcircumflex=372;e.Wdieresis=7812;e.Wdotaccent=7814;e.Wdotbelow=7816;e.Wgrave=7808;e.Wmonospace=65335;e.Wsmall=63351;e.X=88;e.Xcircle=9421;e.Xdieresis=7820;e.Xdotaccent=7818;e.Xeharmenian=1341;e.Xi=926;e.Xmonospace=65336;e.Xsmall=63352;e.Y=89;e.Yacute=221;e.Yacutesmall=63485;e.Yatcyrillic=1122;e.Ycircle=9422;e.Ycircumflex=374;e.Ydieresis=376;e.Ydieresissmall=63487;e.Ydotaccent=7822;e.Ydotbelow=7924;e.Yericyrillic=1067;e.Yerudieresiscyrillic=1272;e.Ygrave=7922;e.Yhook=435;e.Yhookabove=7926;e.Yiarmenian=1349;e.Yicyrillic=1031;e.Yiwnarmenian=1362;e.Ymonospace=65337;e.Ysmall=63353;e.Ytilde=7928;e.Yusbigcyrillic=1130;e.Yusbigiotifiedcyrillic=1132;e.Yuslittlecyrillic=1126;e.Yuslittleiotifiedcyrillic=1128;e.Z=90;e.Zaarmenian=1334;e.Zacute=377;e.Zcaron=381;e.Zcaronsmall=63231;e.Zcircle=9423;e.Zcircumflex=7824;e.Zdot=379;e.Zdotaccent=379;e.Zdotbelow=7826;e.Zecyrillic=1047;e.Zedescendercyrillic=1176;e.Zedieresiscyrillic=1246;e.Zeta=918;e.Zhearmenian=1338;e.Zhebrevecyrillic=1217;e.Zhecyrillic=1046;e.Zhedescendercyrillic=1174;e.Zhedieresiscyrillic=1244;e.Zlinebelow=7828;e.Zmonospace=65338;e.Zsmall=63354;e.Zstroke=437;e.a=97;e.aabengali=2438;e.aacute=225;e.aadeva=2310;e.aagujarati=2694;e.aagurmukhi=2566;e.aamatragurmukhi=2622;e.aarusquare=13059;e.aavowelsignbengali=2494;e.aavowelsigndeva=2366;e.aavowelsigngujarati=2750;e.abbreviationmarkarmenian=1375;e.abbreviationsigndeva=2416;e.abengali=2437;e.abopomofo=12570;e.abreve=259;e.abreveacute=7855;e.abrevecyrillic=1233;e.abrevedotbelow=7863;e.abrevegrave=7857;e.abrevehookabove=7859;e.abrevetilde=7861;e.acaron=462;e.acircle=9424;e.acircumflex=226;e.acircumflexacute=7845;e.acircumflexdotbelow=7853;e.acircumflexgrave=7847;e.acircumflexhookabove=7849;e.acircumflextilde=7851;e.acute=180;e.acutebelowcmb=791;e.acutecmb=769;e.acutecomb=769;e.acutedeva=2388;e.acutelowmod=719;e.acutetonecmb=833;e.acyrillic=1072;e.adblgrave=513;e.addakgurmukhi=2673;e.adeva=2309;e.adieresis=228;e.adieresiscyrillic=1235;e.adieresismacron=479;e.adotbelow=7841;e.adotmacron=481;e.ae=230;e.aeacute=509;e.aekorean=12624;e.aemacron=483;e.afii00208=8213;e.afii08941=8356;e.afii10017=1040;e.afii10018=1041;e.afii10019=1042;e.afii10020=1043;e.afii10021=1044;e.afii10022=1045;e.afii10023=1025;e.afii10024=1046;e.afii10025=1047;e.afii10026=1048;e.afii10027=1049;e.afii10028=1050;e.afii10029=1051;e.afii10030=1052;e.afii10031=1053;e.afii10032=1054;e.afii10033=1055;e.afii10034=1056;e.afii10035=1057;e.afii10036=1058;e.afii10037=1059;e.afii10038=1060;e.afii10039=1061;e.afii10040=1062;e.afii10041=1063;e.afii10042=1064;e.afii10043=1065;e.afii10044=1066;e.afii10045=1067;e.afii10046=1068;e.afii10047=1069;e.afii10048=1070;e.afii10049=1071;e.afii10050=1168;e.afii10051=1026;e.afii10052=1027;e.afii10053=1028;e.afii10054=1029;e.afii10055=1030;e.afii10056=1031;e.afii10057=1032;e.afii10058=1033;e.afii10059=1034;e.afii10060=1035;e.afii10061=1036;e.afii10062=1038;e.afii10063=63172;e.afii10064=63173;e.afii10065=1072;e.afii10066=1073;e.afii10067=1074;e.afii10068=1075;e.afii10069=1076;e.afii10070=1077;e.afii10071=1105;e.afii10072=1078;e.afii10073=1079;e.afii10074=1080;e.afii10075=1081;e.afii10076=1082;e.afii10077=1083;e.afii10078=1084;e.afii10079=1085;e.afii10080=1086;e.afii10081=1087;e.afii10082=1088;e.afii10083=1089;e.afii10084=1090;e.afii10085=1091;e.afii10086=1092;e.afii10087=1093;e.afii10088=1094;e.afii10089=1095;e.afii10090=1096;e.afii10091=1097;e.afii10092=1098;e.afii10093=1099;e.afii10094=1100;e.afii10095=1101;e.afii10096=1102;e.afii10097=1103;e.afii10098=1169;e.afii10099=1106;e.afii10100=1107;e.afii10101=1108;e.afii10102=1109;e.afii10103=1110;e.afii10104=1111;e.afii10105=1112;e.afii10106=1113;e.afii10107=1114;e.afii10108=1115;e.afii10109=1116;e.afii10110=1118;e.afii10145=1039;e.afii10146=1122;e.afii10147=1138;e.afii10148=1140;e.afii10192=63174;e.afii10193=1119;e.afii10194=1123;e.afii10195=1139;e.afii10196=1141;e.afii10831=63175;e.afii10832=63176;e.afii10846=1241;e.afii299=8206;e.afii300=8207;e.afii301=8205;e.afii57381=1642;e.afii57388=1548;e.afii57392=1632;e.afii57393=1633;e.afii57394=1634;e.afii57395=1635;e.afii57396=1636;e.afii57397=1637;e.afii57398=1638;e.afii57399=1639;e.afii57400=1640;e.afii57401=1641;e.afii57403=1563;e.afii57407=1567;e.afii57409=1569;e.afii57410=1570;e.afii57411=1571;e.afii57412=1572;e.afii57413=1573;e.afii57414=1574;e.afii57415=1575;e.afii57416=1576;e.afii57417=1577;e.afii57418=1578;e.afii57419=1579;e.afii57420=1580;e.afii57421=1581;e.afii57422=1582;e.afii57423=1583;e.afii57424=1584;e.afii57425=1585;e.afii57426=1586;e.afii57427=1587;e.afii57428=1588;e.afii57429=1589;e.afii57430=1590;e.afii57431=1591;e.afii57432=1592;e.afii57433=1593;e.afii57434=1594;e.afii57440=1600;e.afii57441=1601;e.afii57442=1602;e.afii57443=1603;e.afii57444=1604;e.afii57445=1605;e.afii57446=1606;e.afii57448=1608;e.afii57449=1609;e.afii57450=1610;e.afii57451=1611;e.afii57452=1612;e.afii57453=1613;e.afii57454=1614;e.afii57455=1615;e.afii57456=1616;e.afii57457=1617;e.afii57458=1618;e.afii57470=1607;e.afii57505=1700;e.afii57506=1662;e.afii57507=1670;e.afii57508=1688;e.afii57509=1711;e.afii57511=1657;e.afii57512=1672;e.afii57513=1681;e.afii57514=1722;e.afii57519=1746;e.afii57534=1749;e.afii57636=8362;e.afii57645=1470;e.afii57658=1475;e.afii57664=1488;e.afii57665=1489;e.afii57666=1490;e.afii57667=1491;e.afii57668=1492;e.afii57669=1493;e.afii57670=1494;e.afii57671=1495;e.afii57672=1496;e.afii57673=1497;e.afii57674=1498;e.afii57675=1499;e.afii57676=1500;e.afii57677=1501;e.afii57678=1502;e.afii57679=1503;e.afii57680=1504;e.afii57681=1505;e.afii57682=1506;e.afii57683=1507;e.afii57684=1508;e.afii57685=1509;e.afii57686=1510;e.afii57687=1511;e.afii57688=1512;e.afii57689=1513;e.afii57690=1514;e.afii57694=64298;e.afii57695=64299;e.afii57700=64331;e.afii57705=64287;e.afii57716=1520;e.afii57717=1521;e.afii57718=1522;e.afii57723=64309;e.afii57793=1460;e.afii57794=1461;e.afii57795=1462;e.afii57796=1467;e.afii57797=1464;e.afii57798=1463;e.afii57799=1456;e.afii57800=1458;e.afii57801=1457;e.afii57802=1459;e.afii57803=1474;e.afii57804=1473;e.afii57806=1465;e.afii57807=1468;e.afii57839=1469;e.afii57841=1471;e.afii57842=1472;e.afii57929=700;e.afii61248=8453;e.afii61289=8467;e.afii61352=8470;e.afii61573=8236;e.afii61574=8237;e.afii61575=8238;e.afii61664=8204;e.afii63167=1645;e.afii64937=701;e.agrave=224;e.agujarati=2693;e.agurmukhi=2565;e.ahiragana=12354;e.ahookabove=7843;e.aibengali=2448;e.aibopomofo=12574;e.aideva=2320;e.aiecyrillic=1237;e.aigujarati=2704;e.aigurmukhi=2576;e.aimatragurmukhi=2632;e.ainarabic=1593;e.ainfinalarabic=65226;e.aininitialarabic=65227;e.ainmedialarabic=65228;e.ainvertedbreve=515;e.aivowelsignbengali=2504;e.aivowelsigndeva=2376;e.aivowelsigngujarati=2760;e.akatakana=12450;e.akatakanahalfwidth=65393;e.akorean=12623;e.alef=1488;e.alefarabic=1575;e.alefdageshhebrew=64304;e.aleffinalarabic=65166;e.alefhamzaabovearabic=1571;e.alefhamzaabovefinalarabic=65156;e.alefhamzabelowarabic=1573;e.alefhamzabelowfinalarabic=65160;e.alefhebrew=1488;e.aleflamedhebrew=64335;e.alefmaddaabovearabic=1570;e.alefmaddaabovefinalarabic=65154;e.alefmaksuraarabic=1609;e.alefmaksurafinalarabic=65264;e.alefmaksurainitialarabic=65267;e.alefmaksuramedialarabic=65268;e.alefpatahhebrew=64302;e.alefqamatshebrew=64303;e.aleph=8501;e.allequal=8780;e.alpha=945;e.alphatonos=940;e.amacron=257;e.amonospace=65345;e.ampersand=38;e.ampersandmonospace=65286;e.ampersandsmall=63270;e.amsquare=13250;e.anbopomofo=12578;e.angbopomofo=12580;e.angbracketleft=12296;e.angbracketright=12297;e.angkhankhuthai=3674;e.angle=8736;e.anglebracketleft=12296;e.anglebracketleftvertical=65087;e.anglebracketright=12297;e.anglebracketrightvertical=65088;e.angleleft=9001;e.angleright=9002;e.angstrom=8491;e.anoteleia=903;e.anudattadeva=2386;e.anusvarabengali=2434;e.anusvaradeva=2306;e.anusvaragujarati=2690;e.aogonek=261;e.apaatosquare=13056;e.aparen=9372;e.apostrophearmenian=1370;e.apostrophemod=700;e.apple=63743;e.approaches=8784;e.approxequal=8776;e.approxequalorimage=8786;e.approximatelyequal=8773;e.araeaekorean=12686;e.araeakorean=12685;e.arc=8978;e.arighthalfring=7834;e.aring=229;e.aringacute=507;e.aringbelow=7681;e.arrowboth=8596;e.arrowdashdown=8675;e.arrowdashleft=8672;e.arrowdashright=8674;e.arrowdashup=8673;e.arrowdblboth=8660;e.arrowdbldown=8659;e.arrowdblleft=8656;e.arrowdblright=8658;e.arrowdblup=8657;e.arrowdown=8595;e.arrowdownleft=8601;e.arrowdownright=8600;e.arrowdownwhite=8681;e.arrowheaddownmod=709;e.arrowheadleftmod=706;e.arrowheadrightmod=707;e.arrowheadupmod=708;e.arrowhorizex=63719;e.arrowleft=8592;e.arrowleftdbl=8656;e.arrowleftdblstroke=8653;e.arrowleftoverright=8646;e.arrowleftwhite=8678;e.arrowright=8594;e.arrowrightdblstroke=8655;e.arrowrightheavy=10142;e.arrowrightoverleft=8644;e.arrowrightwhite=8680;e.arrowtableft=8676;e.arrowtabright=8677;e.arrowup=8593;e.arrowupdn=8597;e.arrowupdnbse=8616;e.arrowupdownbase=8616;e.arrowupleft=8598;e.arrowupleftofdown=8645;e.arrowupright=8599;e.arrowupwhite=8679;e.arrowvertex=63718;e.asciicircum=94;e.asciicircummonospace=65342;e.asciitilde=126;e.asciitildemonospace=65374;e.ascript=593;e.ascriptturned=594;e.asmallhiragana=12353;e.asmallkatakana=12449;e.asmallkatakanahalfwidth=65383;e.asterisk=42;e.asteriskaltonearabic=1645;e.asteriskarabic=1645;e.asteriskmath=8727;e.asteriskmonospace=65290;e.asterisksmall=65121;e.asterism=8258;e.asuperior=63209;e.asymptoticallyequal=8771;e.at=64;e.atilde=227;e.atmonospace=65312;e.atsmall=65131;e.aturned=592;e.aubengali=2452;e.aubopomofo=12576;e.audeva=2324;e.augujarati=2708;e.augurmukhi=2580;e.aulengthmarkbengali=2519;e.aumatragurmukhi=2636;e.auvowelsignbengali=2508;e.auvowelsigndeva=2380;e.auvowelsigngujarati=2764;e.avagrahadeva=2365;e.aybarmenian=1377;e.ayin=1506;e.ayinaltonehebrew=64288;e.ayinhebrew=1506;e.b=98;e.babengali=2476;e.backslash=92;e.backslashmonospace=65340;e.badeva=2348;e.bagujarati=2732;e.bagurmukhi=2604;e.bahiragana=12400;e.bahtthai=3647;e.bakatakana=12496;e.bar=124;e.barmonospace=65372;e.bbopomofo=12549;e.bcircle=9425;e.bdotaccent=7683;e.bdotbelow=7685;e.beamedsixteenthnotes=9836;e.because=8757;e.becyrillic=1073;e.beharabic=1576;e.behfinalarabic=65168;e.behinitialarabic=65169;e.behiragana=12409;e.behmedialarabic=65170;e.behmeeminitialarabic=64671;e.behmeemisolatedarabic=64520;e.behnoonfinalarabic=64621;e.bekatakana=12505;e.benarmenian=1378;e.bet=1489;e.beta=946;e.betasymbolgreek=976;e.betdagesh=64305;e.betdageshhebrew=64305;e.bethebrew=1489;e.betrafehebrew=64332;e.bhabengali=2477;e.bhadeva=2349;e.bhagujarati=2733;e.bhagurmukhi=2605;e.bhook=595;e.bihiragana=12403;e.bikatakana=12499;e.bilabialclick=664;e.bindigurmukhi=2562;e.birusquare=13105;e.blackcircle=9679;e.blackdiamond=9670;e.blackdownpointingtriangle=9660;e.blackleftpointingpointer=9668;e.blackleftpointingtriangle=9664;e.blacklenticularbracketleft=12304;e.blacklenticularbracketleftvertical=65083;e.blacklenticularbracketright=12305;e.blacklenticularbracketrightvertical=65084;e.blacklowerlefttriangle=9699;e.blacklowerrighttriangle=9698;e.blackrectangle=9644;e.blackrightpointingpointer=9658;e.blackrightpointingtriangle=9654;e.blacksmallsquare=9642;e.blacksmilingface=9787;e.blacksquare=9632;e.blackstar=9733;e.blackupperlefttriangle=9700;e.blackupperrighttriangle=9701;e.blackuppointingsmalltriangle=9652;e.blackuppointingtriangle=9650;e.blank=9251;e.blinebelow=7687;e.block=9608;e.bmonospace=65346;e.bobaimaithai=3610;e.bohiragana=12412;e.bokatakana=12508;e.bparen=9373;e.bqsquare=13251;e.braceex=63732;e.braceleft=123;e.braceleftbt=63731;e.braceleftmid=63730;e.braceleftmonospace=65371;e.braceleftsmall=65115;e.bracelefttp=63729;e.braceleftvertical=65079;e.braceright=125;e.bracerightbt=63742;e.bracerightmid=63741;e.bracerightmonospace=65373;e.bracerightsmall=65116;e.bracerighttp=63740;e.bracerightvertical=65080;e.bracketleft=91;e.bracketleftbt=63728;e.bracketleftex=63727;e.bracketleftmonospace=65339;e.bracketlefttp=63726;e.bracketright=93;e.bracketrightbt=63739;e.bracketrightex=63738;e.bracketrightmonospace=65341;e.bracketrighttp=63737;e.breve=728;e.brevebelowcmb=814;e.brevecmb=774;e.breveinvertedbelowcmb=815;e.breveinvertedcmb=785;e.breveinverteddoublecmb=865;e.bridgebelowcmb=810;e.bridgeinvertedbelowcmb=826;e.brokenbar=166;e.bstroke=384;e.bsuperior=63210;e.btopbar=387;e.buhiragana=12406;e.bukatakana=12502;e.bullet=8226;e.bulletinverse=9688;e.bulletoperator=8729;e.bullseye=9678;e.c=99;e.caarmenian=1390;e.cabengali=2458;e.cacute=263;e.cadeva=2330;e.cagujarati=2714;e.cagurmukhi=2586;e.calsquare=13192;e.candrabindubengali=2433;e.candrabinducmb=784;e.candrabindudeva=2305;e.candrabindugujarati=2689;e.capslock=8682;e.careof=8453;e.caron=711;e.caronbelowcmb=812;e.caroncmb=780;e.carriagereturn=8629;e.cbopomofo=12568;e.ccaron=269;e.ccedilla=231;e.ccedillaacute=7689;e.ccircle=9426;e.ccircumflex=265;e.ccurl=597;e.cdot=267;e.cdotaccent=267;e.cdsquare=13253;e.cedilla=184;e.cedillacmb=807;e.cent=162;e.centigrade=8451;e.centinferior=63199;e.centmonospace=65504;e.centoldstyle=63394;e.centsuperior=63200;e.chaarmenian=1401;e.chabengali=2459;e.chadeva=2331;e.chagujarati=2715;e.chagurmukhi=2587;e.chbopomofo=12564;e.cheabkhasiancyrillic=1213;e.checkmark=10003;e.checyrillic=1095;e.chedescenderabkhasiancyrillic=1215;e.chedescendercyrillic=1207;e.chedieresiscyrillic=1269;e.cheharmenian=1395;e.chekhakassiancyrillic=1228;e.cheverticalstrokecyrillic=1209;e.chi=967;e.chieuchacirclekorean=12919;e.chieuchaparenkorean=12823;e.chieuchcirclekorean=12905;e.chieuchkorean=12618;e.chieuchparenkorean=12809;e.chochangthai=3594;e.chochanthai=3592;e.chochingthai=3593;e.chochoethai=3596;e.chook=392;e.cieucacirclekorean=12918;e.cieucaparenkorean=12822;e.cieuccirclekorean=12904;e.cieuckorean=12616;e.cieucparenkorean=12808;e.cieucuparenkorean=12828;e.circle=9675;e.circlecopyrt=169;e.circlemultiply=8855;e.circleot=8857;e.circleplus=8853;e.circlepostalmark=12342;e.circlewithlefthalfblack=9680;e.circlewithrighthalfblack=9681;e.circumflex=710;e.circumflexbelowcmb=813;e.circumflexcmb=770;e.clear=8999;e.clickalveolar=450;e.clickdental=448;e.clicklateral=449;e.clickretroflex=451;e.club=9827;e.clubsuitblack=9827;e.clubsuitwhite=9831;e.cmcubedsquare=13220;e.cmonospace=65347;e.cmsquaredsquare=13216;e.coarmenian=1409;e.colon=58;e.colonmonetary=8353;e.colonmonospace=65306;e.colonsign=8353;e.colonsmall=65109;e.colontriangularhalfmod=721;e.colontriangularmod=720;e.comma=44;e.commaabovecmb=787;e.commaaboverightcmb=789;e.commaaccent=63171;e.commaarabic=1548;e.commaarmenian=1373;e.commainferior=63201;e.commamonospace=65292;e.commareversedabovecmb=788;e.commareversedmod=701;e.commasmall=65104;e.commasuperior=63202;e.commaturnedabovecmb=786;e.commaturnedmod=699;e.compass=9788;e.congruent=8773;e.contourintegral=8750;e.control=8963;e.controlACK=6;e.controlBEL=7;e.controlBS=8;e.controlCAN=24;e.controlCR=13;e.controlDC1=17;e.controlDC2=18;e.controlDC3=19;e.controlDC4=20;e.controlDEL=127;e.controlDLE=16;e.controlEM=25;e.controlENQ=5;e.controlEOT=4;e.controlESC=27;e.controlETB=23;e.controlETX=3;e.controlFF=12;e.controlFS=28;e.controlGS=29;e.controlHT=9;e.controlLF=10;e.controlNAK=21;e.controlNULL=0;e.controlRS=30;e.controlSI=15;e.controlSO=14;e.controlSOT=2;e.controlSTX=1;e.controlSUB=26;e.controlSYN=22;e.controlUS=31;e.controlVT=11;e.copyright=169;e.copyrightsans=63721;e.copyrightserif=63193;e.cornerbracketleft=12300;e.cornerbracketlefthalfwidth=65378;e.cornerbracketleftvertical=65089;e.cornerbracketright=12301;e.cornerbracketrighthalfwidth=65379;e.cornerbracketrightvertical=65090;e.corporationsquare=13183;e.cosquare=13255;e.coverkgsquare=13254;e.cparen=9374;e.cruzeiro=8354;e.cstretched=663;e.curlyand=8911;e.curlyor=8910;e.currency=164;e.cyrBreve=63185;e.cyrFlex=63186;e.cyrbreve=63188;e.cyrflex=63189;e.d=100;e.daarmenian=1380;e.dabengali=2470;e.dadarabic=1590;e.dadeva=2342;e.dadfinalarabic=65214;e.dadinitialarabic=65215;e.dadmedialarabic=65216;e.dagesh=1468;e.dageshhebrew=1468;e.dagger=8224;e.daggerdbl=8225;e.dagujarati=2726;e.dagurmukhi=2598;e.dahiragana=12384;e.dakatakana=12480;e.dalarabic=1583;e.dalet=1491;e.daletdagesh=64307;e.daletdageshhebrew=64307;e.dalethebrew=1491;e.dalfinalarabic=65194;e.dammaarabic=1615;e.dammalowarabic=1615;e.dammatanaltonearabic=1612;e.dammatanarabic=1612;e.danda=2404;e.dargahebrew=1447;e.dargalefthebrew=1447;e.dasiapneumatacyrilliccmb=1157;e.dblGrave=63187;e.dblanglebracketleft=12298;e.dblanglebracketleftvertical=65085;e.dblanglebracketright=12299;e.dblanglebracketrightvertical=65086;e.dblarchinvertedbelowcmb=811;e.dblarrowleft=8660;e.dblarrowright=8658;e.dbldanda=2405;e.dblgrave=63190;e.dblgravecmb=783;e.dblintegral=8748;e.dbllowline=8215;e.dbllowlinecmb=819;e.dbloverlinecmb=831;e.dblprimemod=698;e.dblverticalbar=8214;e.dblverticallineabovecmb=782;e.dbopomofo=12553;e.dbsquare=13256;e.dcaron=271;e.dcedilla=7697;e.dcircle=9427;e.dcircumflexbelow=7699;e.dcroat=273;e.ddabengali=2465;e.ddadeva=2337;e.ddagujarati=2721;e.ddagurmukhi=2593;e.ddalarabic=1672;e.ddalfinalarabic=64393;e.dddhadeva=2396;e.ddhabengali=2466;e.ddhadeva=2338;e.ddhagujarati=2722;e.ddhagurmukhi=2594;e.ddotaccent=7691;e.ddotbelow=7693;e.decimalseparatorarabic=1643;e.decimalseparatorpersian=1643;e.decyrillic=1076;e.degree=176;e.dehihebrew=1453;e.dehiragana=12391;e.deicoptic=1007;e.dekatakana=12487;e.deleteleft=9003;e.deleteright=8998;e.delta=948;e.deltaturned=397;e.denominatorminusonenumeratorbengali=2552;e.dezh=676;e.dhabengali=2471;e.dhadeva=2343;e.dhagujarati=2727;e.dhagurmukhi=2599;e.dhook=599;e.dialytikatonos=901;e.dialytikatonoscmb=836;e.diamond=9830;e.diamondsuitwhite=9826;e.dieresis=168;e.dieresisacute=63191;e.dieresisbelowcmb=804;e.dieresiscmb=776;e.dieresisgrave=63192;e.dieresistonos=901;e.dihiragana=12386;e.dikatakana=12482;e.dittomark=12291;e.divide=247;e.divides=8739;e.divisionslash=8725;e.djecyrillic=1106;e.dkshade=9619;e.dlinebelow=7695;e.dlsquare=13207;e.dmacron=273;e.dmonospace=65348;e.dnblock=9604;e.dochadathai=3598;e.dodekthai=3604;e.dohiragana=12393;e.dokatakana=12489;e.dollar=36;e.dollarinferior=63203;e.dollarmonospace=65284;e.dollaroldstyle=63268;e.dollarsmall=65129;e.dollarsuperior=63204;e.dong=8363;e.dorusquare=13094;e.dotaccent=729;e.dotaccentcmb=775;e.dotbelowcmb=803;e.dotbelowcomb=803;e.dotkatakana=12539;e.dotlessi=305;e.dotlessj=63166;e.dotlessjstrokehook=644;e.dotmath=8901;e.dottedcircle=9676;e.doubleyodpatah=64287;e.doubleyodpatahhebrew=64287;e.downtackbelowcmb=798;e.downtackmod=725;e.dparen=9375;e.dsuperior=63211;e.dtail=598;e.dtopbar=396;e.duhiragana=12389;e.dukatakana=12485;e.dz=499;e.dzaltone=675;e.dzcaron=454;e.dzcurl=677;e.dzeabkhasiancyrillic=1249;e.dzecyrillic=1109;e.dzhecyrillic=1119;e.e=101;e.eacute=233;e.earth=9793;e.ebengali=2447;e.ebopomofo=12572;e.ebreve=277;e.ecandradeva=2317;e.ecandragujarati=2701;e.ecandravowelsigndeva=2373;e.ecandravowelsigngujarati=2757;e.ecaron=283;e.ecedillabreve=7709;e.echarmenian=1381;e.echyiwnarmenian=1415;e.ecircle=9428;e.ecircumflex=234;e.ecircumflexacute=7871;e.ecircumflexbelow=7705;e.ecircumflexdotbelow=7879;e.ecircumflexgrave=7873;e.ecircumflexhookabove=7875;e.ecircumflextilde=7877;e.ecyrillic=1108;e.edblgrave=517;e.edeva=2319;e.edieresis=235;e.edot=279;e.edotaccent=279;e.edotbelow=7865;e.eegurmukhi=2575;e.eematragurmukhi=2631;e.efcyrillic=1092;e.egrave=232;e.egujarati=2703;e.eharmenian=1383;e.ehbopomofo=12573;e.ehiragana=12360;e.ehookabove=7867;e.eibopomofo=12575;e.eight=56;e.eightarabic=1640;e.eightbengali=2542;e.eightcircle=9319;e.eightcircleinversesansserif=10129;e.eightdeva=2414;e.eighteencircle=9329;e.eighteenparen=9349;e.eighteenperiod=9369;e.eightgujarati=2798;e.eightgurmukhi=2670;e.eighthackarabic=1640;e.eighthangzhou=12328;e.eighthnotebeamed=9835;e.eightideographicparen=12839;e.eightinferior=8328;e.eightmonospace=65304;e.eightoldstyle=63288;e.eightparen=9339;e.eightperiod=9359;e.eightpersian=1784;e.eightroman=8567;e.eightsuperior=8312;e.eightthai=3672;e.einvertedbreve=519;e.eiotifiedcyrillic=1125;e.ekatakana=12456;e.ekatakanahalfwidth=65396;e.ekonkargurmukhi=2676;e.ekorean=12628;e.elcyrillic=1083;e.element=8712;e.elevencircle=9322;e.elevenparen=9342;e.elevenperiod=9362;e.elevenroman=8570;e.ellipsis=8230;e.ellipsisvertical=8942;e.emacron=275;e.emacronacute=7703;e.emacrongrave=7701;e.emcyrillic=1084;e.emdash=8212;e.emdashvertical=65073;e.emonospace=65349;e.emphasismarkarmenian=1371;e.emptyset=8709;e.enbopomofo=12579;e.encyrillic=1085;e.endash=8211;e.endashvertical=65074;e.endescendercyrillic=1187;e.eng=331;e.engbopomofo=12581;e.enghecyrillic=1189;e.enhookcyrillic=1224;e.enspace=8194;e.eogonek=281;e.eokorean=12627;e.eopen=603;e.eopenclosed=666;e.eopenreversed=604;e.eopenreversedclosed=606;e.eopenreversedhook=605;e.eparen=9376;e.epsilon=949;e.epsilontonos=941;e.equal=61;e.equalmonospace=65309;e.equalsmall=65126;e.equalsuperior=8316;e.equivalence=8801;e.erbopomofo=12582;e.ercyrillic=1088;e.ereversed=600;e.ereversedcyrillic=1101;e.escyrillic=1089;e.esdescendercyrillic=1195;e.esh=643;e.eshcurl=646;e.eshortdeva=2318;e.eshortvowelsigndeva=2374;e.eshreversedloop=426;e.eshsquatreversed=645;e.esmallhiragana=12359;e.esmallkatakana=12455;e.esmallkatakanahalfwidth=65386;e.estimated=8494;e.esuperior=63212;e.eta=951;e.etarmenian=1384;e.etatonos=942;e.eth=240;e.etilde=7869;e.etildebelow=7707;e.etnahtafoukhhebrew=1425;e.etnahtafoukhlefthebrew=1425;e.etnahtahebrew=1425;e.etnahtalefthebrew=1425;e.eturned=477;e.eukorean=12641;e.euro=8364;e.evowelsignbengali=2503;e.evowelsigndeva=2375;e.evowelsigngujarati=2759;e.exclam=33;e.exclamarmenian=1372;e.exclamdbl=8252;e.exclamdown=161;e.exclamdownsmall=63393;e.exclammonospace=65281;e.exclamsmall=63265;e.existential=8707;e.ezh=658;e.ezhcaron=495;e.ezhcurl=659;e.ezhreversed=441;e.ezhtail=442;e.f=102;e.fadeva=2398;e.fagurmukhi=2654;e.fahrenheit=8457;e.fathaarabic=1614;e.fathalowarabic=1614;e.fathatanarabic=1611;e.fbopomofo=12552;e.fcircle=9429;e.fdotaccent=7711;e.feharabic=1601;e.feharmenian=1414;e.fehfinalarabic=65234;e.fehinitialarabic=65235;e.fehmedialarabic=65236;e.feicoptic=997;e.female=9792;e.ff=64256;e.f_f=64256;e.ffi=64259;e.ffl=64260;e.fi=64257;e.fifteencircle=9326;e.fifteenparen=9346;e.fifteenperiod=9366;e.figuredash=8210;e.filledbox=9632;e.filledrect=9644;e.finalkaf=1498;e.finalkafdagesh=64314;e.finalkafdageshhebrew=64314;e.finalkafhebrew=1498;e.finalmem=1501;e.finalmemhebrew=1501;e.finalnun=1503;e.finalnunhebrew=1503;e.finalpe=1507;e.finalpehebrew=1507;e.finaltsadi=1509;e.finaltsadihebrew=1509;e.firsttonechinese=713;e.fisheye=9673;e.fitacyrillic=1139;e.five=53;e.fivearabic=1637;e.fivebengali=2539;e.fivecircle=9316;e.fivecircleinversesansserif=10126;e.fivedeva=2411;e.fiveeighths=8541;e.fivegujarati=2795;e.fivegurmukhi=2667;e.fivehackarabic=1637;e.fivehangzhou=12325;e.fiveideographicparen=12836;e.fiveinferior=8325;e.fivemonospace=65301;e.fiveoldstyle=63285;e.fiveparen=9336;e.fiveperiod=9356;e.fivepersian=1781;e.fiveroman=8564;e.fivesuperior=8309;e.fivethai=3669;e.fl=64258;e.florin=402;e.fmonospace=65350;e.fmsquare=13209;e.fofanthai=3615;e.fofathai=3613;e.fongmanthai=3663;e.forall=8704;e.four=52;e.fourarabic=1636;e.fourbengali=2538;e.fourcircle=9315;e.fourcircleinversesansserif=10125;e.fourdeva=2410;e.fourgujarati=2794;e.fourgurmukhi=2666;e.fourhackarabic=1636;e.fourhangzhou=12324;e.fourideographicparen=12835;e.fourinferior=8324;e.fourmonospace=65300;e.fournumeratorbengali=2551;e.fouroldstyle=63284;e.fourparen=9335;e.fourperiod=9355;e.fourpersian=1780;e.fourroman=8563;e.foursuperior=8308;e.fourteencircle=9325;e.fourteenparen=9345;e.fourteenperiod=9365;e.fourthai=3668;e.fourthtonechinese=715;e.fparen=9377;e.fraction=8260;e.franc=8355;e.g=103;e.gabengali=2455;e.gacute=501;e.gadeva=2327;e.gafarabic=1711;e.gaffinalarabic=64403;e.gafinitialarabic=64404;e.gafmedialarabic=64405;e.gagujarati=2711;e.gagurmukhi=2583;e.gahiragana=12364;e.gakatakana=12460;e.gamma=947;e.gammalatinsmall=611;e.gammasuperior=736;e.gangiacoptic=1003;e.gbopomofo=12557;e.gbreve=287;e.gcaron=487;e.gcedilla=291;e.gcircle=9430;e.gcircumflex=285;e.gcommaaccent=291;e.gdot=289;e.gdotaccent=289;e.gecyrillic=1075;e.gehiragana=12370;e.gekatakana=12466;e.geometricallyequal=8785;e.gereshaccenthebrew=1436;e.gereshhebrew=1523;e.gereshmuqdamhebrew=1437;e.germandbls=223;e.gershayimaccenthebrew=1438;e.gershayimhebrew=1524;e.getamark=12307;e.ghabengali=2456;e.ghadarmenian=1394;e.ghadeva=2328;e.ghagujarati=2712;e.ghagurmukhi=2584;e.ghainarabic=1594;e.ghainfinalarabic=65230;e.ghaininitialarabic=65231;e.ghainmedialarabic=65232;e.ghemiddlehookcyrillic=1173;e.ghestrokecyrillic=1171;e.gheupturncyrillic=1169;e.ghhadeva=2394;e.ghhagurmukhi=2650;e.ghook=608;e.ghzsquare=13203;e.gihiragana=12366;e.gikatakana=12462;e.gimarmenian=1379;e.gimel=1490;e.gimeldagesh=64306;e.gimeldageshhebrew=64306;e.gimelhebrew=1490;e.gjecyrillic=1107;e.glottalinvertedstroke=446;e.glottalstop=660;e.glottalstopinverted=662;e.glottalstopmod=704;e.glottalstopreversed=661;e.glottalstopreversedmod=705;e.glottalstopreversedsuperior=740;e.glottalstopstroke=673;e.glottalstopstrokereversed=674;e.gmacron=7713;e.gmonospace=65351;e.gohiragana=12372;e.gokatakana=12468;e.gparen=9378;e.gpasquare=13228;e.gradient=8711;e.grave=96;e.gravebelowcmb=790;e.gravecmb=768;e.gravecomb=768;e.gravedeva=2387;e.gravelowmod=718;e.gravemonospace=65344;e.gravetonecmb=832;e.greater=62;e.greaterequal=8805;e.greaterequalorless=8923;e.greatermonospace=65310;e.greaterorequivalent=8819;e.greaterorless=8823;e.greateroverequal=8807;e.greatersmall=65125;e.gscript=609;e.gstroke=485;e.guhiragana=12368;e.guillemotleft=171;e.guillemotright=187;e.guilsinglleft=8249;e.guilsinglright=8250;e.gukatakana=12464;e.guramusquare=13080;e.gysquare=13257;e.h=104;e.haabkhasiancyrillic=1193;e.haaltonearabic=1729;e.habengali=2489;e.hadescendercyrillic=1203;e.hadeva=2361;e.hagujarati=2745;e.hagurmukhi=2617;e.haharabic=1581;e.hahfinalarabic=65186;e.hahinitialarabic=65187;e.hahiragana=12399;e.hahmedialarabic=65188;e.haitusquare=13098;e.hakatakana=12495;e.hakatakanahalfwidth=65418;e.halantgurmukhi=2637;e.hamzaarabic=1569;e.hamzalowarabic=1569;e.hangulfiller=12644;e.hardsigncyrillic=1098;e.harpoonleftbarbup=8636;e.harpoonrightbarbup=8640;e.hasquare=13258;e.hatafpatah=1458;e.hatafpatah16=1458;e.hatafpatah23=1458;e.hatafpatah2f=1458;e.hatafpatahhebrew=1458;e.hatafpatahnarrowhebrew=1458;e.hatafpatahquarterhebrew=1458;e.hatafpatahwidehebrew=1458;e.hatafqamats=1459;e.hatafqamats1b=1459;e.hatafqamats28=1459;e.hatafqamats34=1459;e.hatafqamatshebrew=1459;e.hatafqamatsnarrowhebrew=1459;e.hatafqamatsquarterhebrew=1459;e.hatafqamatswidehebrew=1459;e.hatafsegol=1457;e.hatafsegol17=1457;e.hatafsegol24=1457;e.hatafsegol30=1457;e.hatafsegolhebrew=1457;e.hatafsegolnarrowhebrew=1457;e.hatafsegolquarterhebrew=1457;e.hatafsegolwidehebrew=1457;e.hbar=295;e.hbopomofo=12559;e.hbrevebelow=7723;e.hcedilla=7721;e.hcircle=9431;e.hcircumflex=293;e.hdieresis=7719;e.hdotaccent=7715;e.hdotbelow=7717;e.he=1492;e.heart=9829;e.heartsuitblack=9829;e.heartsuitwhite=9825;e.hedagesh=64308;e.hedageshhebrew=64308;e.hehaltonearabic=1729;e.heharabic=1607;e.hehebrew=1492;e.hehfinalaltonearabic=64423;e.hehfinalalttwoarabic=65258;e.hehfinalarabic=65258;e.hehhamzaabovefinalarabic=64421;e.hehhamzaaboveisolatedarabic=64420;e.hehinitialaltonearabic=64424;e.hehinitialarabic=65259;e.hehiragana=12408;e.hehmedialaltonearabic=64425;e.hehmedialarabic=65260;e.heiseierasquare=13179;e.hekatakana=12504;e.hekatakanahalfwidth=65421;e.hekutaarusquare=13110;e.henghook=615;e.herutusquare=13113;e.het=1495;e.hethebrew=1495;e.hhook=614;e.hhooksuperior=689;e.hieuhacirclekorean=12923;e.hieuhaparenkorean=12827;e.hieuhcirclekorean=12909;e.hieuhkorean=12622;e.hieuhparenkorean=12813;e.hihiragana=12402;e.hikatakana=12498;e.hikatakanahalfwidth=65419;e.hiriq=1460;e.hiriq14=1460;e.hiriq21=1460;e.hiriq2d=1460;e.hiriqhebrew=1460;e.hiriqnarrowhebrew=1460;e.hiriqquarterhebrew=1460;e.hiriqwidehebrew=1460;e.hlinebelow=7830;e.hmonospace=65352;e.hoarmenian=1392;e.hohipthai=3627;e.hohiragana=12411;e.hokatakana=12507;e.hokatakanahalfwidth=65422;e.holam=1465;e.holam19=1465;e.holam26=1465;e.holam32=1465;e.holamhebrew=1465;e.holamnarrowhebrew=1465;e.holamquarterhebrew=1465;e.holamwidehebrew=1465;e.honokhukthai=3630;e.hookabovecomb=777;e.hookcmb=777;e.hookpalatalizedbelowcmb=801;e.hookretroflexbelowcmb=802;e.hoonsquare=13122;e.horicoptic=1001;e.horizontalbar=8213;e.horncmb=795;e.hotsprings=9832;e.house=8962;e.hparen=9379;e.hsuperior=688;e.hturned=613;e.huhiragana=12405;e.huiitosquare=13107;e.hukatakana=12501;e.hukatakanahalfwidth=65420;e.hungarumlaut=733;e.hungarumlautcmb=779;e.hv=405;e.hyphen=45;e.hypheninferior=63205;e.hyphenmonospace=65293;e.hyphensmall=65123;e.hyphensuperior=63206;e.hyphentwo=8208;e.i=105;e.iacute=237;e.iacyrillic=1103;e.ibengali=2439;e.ibopomofo=12583;e.ibreve=301;e.icaron=464;e.icircle=9432;e.icircumflex=238;e.icyrillic=1110;e.idblgrave=521;e.ideographearthcircle=12943;e.ideographfirecircle=12939;e.ideographicallianceparen=12863;e.ideographiccallparen=12858;e.ideographiccentrecircle=12965;e.ideographicclose=12294;e.ideographiccomma=12289;e.ideographiccommaleft=65380;e.ideographiccongratulationparen=12855;e.ideographiccorrectcircle=12963;e.ideographicearthparen=12847;e.ideographicenterpriseparen=12861;e.ideographicexcellentcircle=12957;e.ideographicfestivalparen=12864;e.ideographicfinancialcircle=12950;e.ideographicfinancialparen=12854;e.ideographicfireparen=12843;e.ideographichaveparen=12850;e.ideographichighcircle=12964;e.ideographiciterationmark=12293;e.ideographiclaborcircle=12952;e.ideographiclaborparen=12856;e.ideographicleftcircle=12967;e.ideographiclowcircle=12966;e.ideographicmedicinecircle=12969;e.ideographicmetalparen=12846;e.ideographicmoonparen=12842;e.ideographicnameparen=12852;e.ideographicperiod=12290;e.ideographicprintcircle=12958;e.ideographicreachparen=12867;e.ideographicrepresentparen=12857;e.ideographicresourceparen=12862;e.ideographicrightcircle=12968;e.ideographicsecretcircle=12953;e.ideographicselfparen=12866;e.ideographicsocietyparen=12851;e.ideographicspace=12288;e.ideographicspecialparen=12853;e.ideographicstockparen=12849;e.ideographicstudyparen=12859;e.ideographicsunparen=12848;e.ideographicsuperviseparen=12860;e.ideographicwaterparen=12844;e.ideographicwoodparen=12845;e.ideographiczero=12295;e.ideographmetalcircle=12942;e.ideographmooncircle=12938;e.ideographnamecircle=12948;e.ideographsuncircle=12944;e.ideographwatercircle=12940;e.ideographwoodcircle=12941;e.ideva=2311;e.idieresis=239;e.idieresisacute=7727;e.idieresiscyrillic=1253;e.idotbelow=7883;e.iebrevecyrillic=1239;e.iecyrillic=1077;e.ieungacirclekorean=12917;e.ieungaparenkorean=12821;e.ieungcirclekorean=12903;e.ieungkorean=12615;e.ieungparenkorean=12807;e.igrave=236;e.igujarati=2695;e.igurmukhi=2567;e.ihiragana=12356;e.ihookabove=7881;e.iibengali=2440;e.iicyrillic=1080;e.iideva=2312;e.iigujarati=2696;e.iigurmukhi=2568;e.iimatragurmukhi=2624;e.iinvertedbreve=523;e.iishortcyrillic=1081;e.iivowelsignbengali=2496;e.iivowelsigndeva=2368;e.iivowelsigngujarati=2752;e.ij=307;e.ikatakana=12452;e.ikatakanahalfwidth=65394;e.ikorean=12643;e.ilde=732;e.iluyhebrew=1452;e.imacron=299;e.imacroncyrillic=1251;e.imageorapproximatelyequal=8787;e.imatragurmukhi=2623;e.imonospace=65353;e.increment=8710;e.infinity=8734;e.iniarmenian=1387;e.integral=8747;e.integralbottom=8993;e.integralbt=8993;e.integralex=63733;e.integraltop=8992;e.integraltp=8992;e.intersection=8745;e.intisquare=13061;e.invbullet=9688;e.invcircle=9689;e.invsmileface=9787;e.iocyrillic=1105;e.iogonek=303;e.iota=953;e.iotadieresis=970;e.iotadieresistonos=912;e.iotalatin=617;e.iotatonos=943;e.iparen=9380;e.irigurmukhi=2674;e.ismallhiragana=12355;e.ismallkatakana=12451;e.ismallkatakanahalfwidth=65384;e.issharbengali=2554;e.istroke=616;e.isuperior=63213;e.iterationhiragana=12445;e.iterationkatakana=12541;e.itilde=297;e.itildebelow=7725;e.iubopomofo=12585;e.iucyrillic=1102;e.ivowelsignbengali=2495;e.ivowelsigndeva=2367;e.ivowelsigngujarati=2751;e.izhitsacyrillic=1141;e.izhitsadblgravecyrillic=1143;e.j=106;e.jaarmenian=1393;e.jabengali=2460;e.jadeva=2332;e.jagujarati=2716;e.jagurmukhi=2588;e.jbopomofo=12560;e.jcaron=496;e.jcircle=9433;e.jcircumflex=309;e.jcrossedtail=669;e.jdotlessstroke=607;e.jecyrillic=1112;e.jeemarabic=1580;e.jeemfinalarabic=65182;e.jeeminitialarabic=65183;e.jeemmedialarabic=65184;e.jeharabic=1688;e.jehfinalarabic=64395;e.jhabengali=2461;e.jhadeva=2333;e.jhagujarati=2717;e.jhagurmukhi=2589;e.jheharmenian=1403;e.jis=12292;e.jmonospace=65354;e.jparen=9381;e.jsuperior=690;e.k=107;e.kabashkircyrillic=1185;e.kabengali=2453;e.kacute=7729;e.kacyrillic=1082;e.kadescendercyrillic=1179;e.kadeva=2325;e.kaf=1499;e.kafarabic=1603;e.kafdagesh=64315;e.kafdageshhebrew=64315;e.kaffinalarabic=65242;e.kafhebrew=1499;e.kafinitialarabic=65243;e.kafmedialarabic=65244;e.kafrafehebrew=64333;e.kagujarati=2709;e.kagurmukhi=2581;e.kahiragana=12363;e.kahookcyrillic=1220;e.kakatakana=12459;e.kakatakanahalfwidth=65398;e.kappa=954;e.kappasymbolgreek=1008;e.kapyeounmieumkorean=12657;e.kapyeounphieuphkorean=12676;e.kapyeounpieupkorean=12664;e.kapyeounssangpieupkorean=12665;e.karoriisquare=13069;e.kashidaautoarabic=1600;e.kashidaautonosidebearingarabic=1600;e.kasmallkatakana=12533;e.kasquare=13188;e.kasraarabic=1616;e.kasratanarabic=1613;e.kastrokecyrillic=1183;e.katahiraprolongmarkhalfwidth=65392;e.kaverticalstrokecyrillic=1181;e.kbopomofo=12558;e.kcalsquare=13193;e.kcaron=489;e.kcedilla=311;e.kcircle=9434;e.kcommaaccent=311;e.kdotbelow=7731;e.keharmenian=1412;e.kehiragana=12369;e.kekatakana=12465;e.kekatakanahalfwidth=65401;e.kenarmenian=1391;e.kesmallkatakana=12534;e.kgreenlandic=312;e.khabengali=2454;e.khacyrillic=1093;e.khadeva=2326;e.khagujarati=2710;e.khagurmukhi=2582;e.khaharabic=1582;e.khahfinalarabic=65190;e.khahinitialarabic=65191;e.khahmedialarabic=65192;e.kheicoptic=999;e.khhadeva=2393;e.khhagurmukhi=2649;e.khieukhacirclekorean=12920;e.khieukhaparenkorean=12824;e.khieukhcirclekorean=12906;e.khieukhkorean=12619;e.khieukhparenkorean=12810;e.khokhaithai=3586;e.khokhonthai=3589;e.khokhuatthai=3587;e.khokhwaithai=3588;e.khomutthai=3675;e.khook=409;e.khorakhangthai=3590;e.khzsquare=13201;e.kihiragana=12365;e.kikatakana=12461;e.kikatakanahalfwidth=65399;e.kiroguramusquare=13077;e.kiromeetorusquare=13078;e.kirosquare=13076;e.kiyeokacirclekorean=12910;e.kiyeokaparenkorean=12814;e.kiyeokcirclekorean=12896;e.kiyeokkorean=12593;e.kiyeokparenkorean=12800;e.kiyeoksioskorean=12595;e.kjecyrillic=1116;e.klinebelow=7733;e.klsquare=13208;e.kmcubedsquare=13222;e.kmonospace=65355;e.kmsquaredsquare=13218;e.kohiragana=12371;e.kohmsquare=13248;e.kokaithai=3585;e.kokatakana=12467;e.kokatakanahalfwidth=65402;e.kooposquare=13086;e.koppacyrillic=1153;e.koreanstandardsymbol=12927;e.koroniscmb=835;e.kparen=9382;e.kpasquare=13226;e.ksicyrillic=1135;e.ktsquare=13263;e.kturned=670;e.kuhiragana=12367;e.kukatakana=12463;e.kukatakanahalfwidth=65400;e.kvsquare=13240;e.kwsquare=13246;e.l=108;e.labengali=2482;e.lacute=314;e.ladeva=2354;e.lagujarati=2738;e.lagurmukhi=2610;e.lakkhangyaothai=3653;e.lamaleffinalarabic=65276;e.lamalefhamzaabovefinalarabic=65272;e.lamalefhamzaaboveisolatedarabic=65271;e.lamalefhamzabelowfinalarabic=65274;e.lamalefhamzabelowisolatedarabic=65273;e.lamalefisolatedarabic=65275;e.lamalefmaddaabovefinalarabic=65270;e.lamalefmaddaaboveisolatedarabic=65269;e.lamarabic=1604;e.lambda=955;e.lambdastroke=411;e.lamed=1500;e.lameddagesh=64316;e.lameddageshhebrew=64316;e.lamedhebrew=1500;e.lamfinalarabic=65246;e.lamhahinitialarabic=64714;e.laminitialarabic=65247;e.lamjeeminitialarabic=64713;e.lamkhahinitialarabic=64715;e.lamlamhehisolatedarabic=65010;e.lammedialarabic=65248;e.lammeemhahinitialarabic=64904;e.lammeeminitialarabic=64716;e.largecircle=9711;e.lbar=410;e.lbelt=620;e.lbopomofo=12556;e.lcaron=318;e.lcedilla=316;e.lcircle=9435;e.lcircumflexbelow=7741;e.lcommaaccent=316;e.ldot=320;e.ldotaccent=320;e.ldotbelow=7735;e.ldotbelowmacron=7737;e.leftangleabovecmb=794;e.lefttackbelowcmb=792;e.less=60;e.lessequal=8804;e.lessequalorgreater=8922;e.lessmonospace=65308;e.lessorequivalent=8818;e.lessorgreater=8822;e.lessoverequal=8806;e.lesssmall=65124;e.lezh=622;e.lfblock=9612;e.lhookretroflex=621;e.lira=8356;e.liwnarmenian=1388;e.lj=457;e.ljecyrillic=1113;e.ll=63168;e.lladeva=2355;e.llagujarati=2739;e.llinebelow=7739;e.llladeva=2356;e.llvocalicbengali=2529;e.llvocalicdeva=2401;e.llvocalicvowelsignbengali=2531;e.llvocalicvowelsigndeva=2403;e.lmiddletilde=619;e.lmonospace=65356;e.lmsquare=13264;e.lochulathai=3628;e.logicaland=8743;e.logicalnot=172;e.logicalnotreversed=8976;e.logicalor=8744;e.lolingthai=3621;e.longs=383;e.lowlinecenterline=65102;e.lowlinecmb=818;e.lowlinedashed=65101;e.lozenge=9674;e.lparen=9383;e.lslash=322;e.lsquare=8467;e.lsuperior=63214;e.ltshade=9617;e.luthai=3622;e.lvocalicbengali=2444;e.lvocalicdeva=2316;e.lvocalicvowelsignbengali=2530;e.lvocalicvowelsigndeva=2402;e.lxsquare=13267;e.m=109;e.mabengali=2478;e.macron=175;e.macronbelowcmb=817;e.macroncmb=772;e.macronlowmod=717;e.macronmonospace=65507;e.macute=7743;e.madeva=2350;e.magujarati=2734;e.magurmukhi=2606;e.mahapakhhebrew=1444;e.mahapakhlefthebrew=1444;e.mahiragana=12414;e.maichattawalowleftthai=63637;e.maichattawalowrightthai=63636;e.maichattawathai=3659;e.maichattawaupperleftthai=63635;e.maieklowleftthai=63628;e.maieklowrightthai=63627;e.maiekthai=3656;e.maiekupperleftthai=63626;e.maihanakatleftthai=63620;e.maihanakatthai=3633;e.maitaikhuleftthai=63625;e.maitaikhuthai=3655;e.maitholowleftthai=63631;e.maitholowrightthai=63630;e.maithothai=3657;e.maithoupperleftthai=63629;e.maitrilowleftthai=63634;e.maitrilowrightthai=63633;e.maitrithai=3658;e.maitriupperleftthai=63632;e.maiyamokthai=3654;e.makatakana=12510;e.makatakanahalfwidth=65423;e.male=9794;e.mansyonsquare=13127;e.maqafhebrew=1470;e.mars=9794;e.masoracirclehebrew=1455;e.masquare=13187;e.mbopomofo=12551;e.mbsquare=13268;e.mcircle=9436;e.mcubedsquare=13221;e.mdotaccent=7745;e.mdotbelow=7747;e.meemarabic=1605;e.meemfinalarabic=65250;e.meeminitialarabic=65251;e.meemmedialarabic=65252;e.meemmeeminitialarabic=64721;e.meemmeemisolatedarabic=64584;e.meetorusquare=13133;e.mehiragana=12417;e.meizierasquare=13182;e.mekatakana=12513;e.mekatakanahalfwidth=65426;e.mem=1502;e.memdagesh=64318;e.memdageshhebrew=64318;e.memhebrew=1502;e.menarmenian=1396;e.merkhahebrew=1445;e.merkhakefulahebrew=1446;e.merkhakefulalefthebrew=1446;e.merkhalefthebrew=1445;e.mhook=625;e.mhzsquare=13202;e.middledotkatakanahalfwidth=65381;e.middot=183;e.mieumacirclekorean=12914;e.mieumaparenkorean=12818;e.mieumcirclekorean=12900;e.mieumkorean=12609;e.mieumpansioskorean=12656;e.mieumparenkorean=12804;e.mieumpieupkorean=12654;e.mieumsioskorean=12655;e.mihiragana=12415;e.mikatakana=12511;e.mikatakanahalfwidth=65424;e.minus=8722;e.minusbelowcmb=800;e.minuscircle=8854;e.minusmod=727;e.minusplus=8723;e.minute=8242;e.miribaarusquare=13130;e.mirisquare=13129;e.mlonglegturned=624;e.mlsquare=13206;e.mmcubedsquare=13219;e.mmonospace=65357;e.mmsquaredsquare=13215;e.mohiragana=12418;e.mohmsquare=13249;e.mokatakana=12514;e.mokatakanahalfwidth=65427;e.molsquare=13270;e.momathai=3617;e.moverssquare=13223;e.moverssquaredsquare=13224;e.mparen=9384;e.mpasquare=13227;e.mssquare=13235;e.msuperior=63215;e.mturned=623;e.mu=181;e.mu1=181;e.muasquare=13186;e.muchgreater=8811;e.muchless=8810;e.mufsquare=13196;e.mugreek=956;e.mugsquare=13197;e.muhiragana=12416;e.mukatakana=12512;e.mukatakanahalfwidth=65425;e.mulsquare=13205;e.multiply=215;e.mumsquare=13211;e.munahhebrew=1443;e.munahlefthebrew=1443;e.musicalnote=9834;e.musicalnotedbl=9835;e.musicflatsign=9837;e.musicsharpsign=9839;e.mussquare=13234;e.muvsquare=13238;e.muwsquare=13244;e.mvmegasquare=13241;e.mvsquare=13239;e.mwmegasquare=13247;e.mwsquare=13245;e.n=110;e.nabengali=2472;e.nabla=8711;e.nacute=324;e.nadeva=2344;e.nagujarati=2728;e.nagurmukhi=2600;e.nahiragana=12394;e.nakatakana=12490;e.nakatakanahalfwidth=65413;e.napostrophe=329;e.nasquare=13185;e.nbopomofo=12555;e.nbspace=160;e.ncaron=328;e.ncedilla=326;e.ncircle=9437;e.ncircumflexbelow=7755;e.ncommaaccent=326;e.ndotaccent=7749;e.ndotbelow=7751;e.nehiragana=12397;e.nekatakana=12493;e.nekatakanahalfwidth=65416;e.newsheqelsign=8362;e.nfsquare=13195;e.ngabengali=2457;e.ngadeva=2329;e.ngagujarati=2713;e.ngagurmukhi=2585;e.ngonguthai=3591;e.nhiragana=12435;e.nhookleft=626;e.nhookretroflex=627;e.nieunacirclekorean=12911;e.nieunaparenkorean=12815;e.nieuncieuckorean=12597;e.nieuncirclekorean=12897;e.nieunhieuhkorean=12598;e.nieunkorean=12596;e.nieunpansioskorean=12648;e.nieunparenkorean=12801;e.nieunsioskorean=12647;e.nieuntikeutkorean=12646;e.nihiragana=12395;e.nikatakana=12491;e.nikatakanahalfwidth=65414;e.nikhahitleftthai=63641;e.nikhahitthai=3661;e.nine=57;e.ninearabic=1641;e.ninebengali=2543;e.ninecircle=9320;e.ninecircleinversesansserif=10130;e.ninedeva=2415;e.ninegujarati=2799;e.ninegurmukhi=2671;e.ninehackarabic=1641;e.ninehangzhou=12329;e.nineideographicparen=12840;e.nineinferior=8329;e.ninemonospace=65305;e.nineoldstyle=63289;e.nineparen=9340;e.nineperiod=9360;e.ninepersian=1785;e.nineroman=8568;e.ninesuperior=8313;e.nineteencircle=9330;e.nineteenparen=9350;e.nineteenperiod=9370;e.ninethai=3673;e.nj=460;e.njecyrillic=1114;e.nkatakana=12531;e.nkatakanahalfwidth=65437;e.nlegrightlong=414;e.nlinebelow=7753;e.nmonospace=65358;e.nmsquare=13210;e.nnabengali=2467;e.nnadeva=2339;e.nnagujarati=2723;e.nnagurmukhi=2595;e.nnnadeva=2345;e.nohiragana=12398;e.nokatakana=12494;e.nokatakanahalfwidth=65417;e.nonbreakingspace=160;e.nonenthai=3603;e.nonuthai=3609;e.noonarabic=1606;e.noonfinalarabic=65254;e.noonghunnaarabic=1722;e.noonghunnafinalarabic=64415;e.nooninitialarabic=65255;e.noonjeeminitialarabic=64722;e.noonjeemisolatedarabic=64587;e.noonmedialarabic=65256;e.noonmeeminitialarabic=64725;e.noonmeemisolatedarabic=64590;e.noonnoonfinalarabic=64653;e.notcontains=8716;e.notelement=8713;e.notelementof=8713;e.notequal=8800;e.notgreater=8815;e.notgreaternorequal=8817;e.notgreaternorless=8825;e.notidentical=8802;e.notless=8814;e.notlessnorequal=8816;e.notparallel=8742;e.notprecedes=8832;e.notsubset=8836;e.notsucceeds=8833;e.notsuperset=8837;e.nowarmenian=1398;e.nparen=9385;e.nssquare=13233;e.nsuperior=8319;e.ntilde=241;e.nu=957;e.nuhiragana=12396;e.nukatakana=12492;e.nukatakanahalfwidth=65415;e.nuktabengali=2492;e.nuktadeva=2364;e.nuktagujarati=2748;e.nuktagurmukhi=2620;e.numbersign=35;e.numbersignmonospace=65283;e.numbersignsmall=65119;e.numeralsigngreek=884;e.numeralsignlowergreek=885;e.numero=8470;e.nun=1504;e.nundagesh=64320;e.nundageshhebrew=64320;e.nunhebrew=1504;e.nvsquare=13237;e.nwsquare=13243;e.nyabengali=2462;e.nyadeva=2334;e.nyagujarati=2718;e.nyagurmukhi=2590;e.o=111;e.oacute=243;e.oangthai=3629;e.obarred=629;e.obarredcyrillic=1257;e.obarreddieresiscyrillic=1259;e.obengali=2451;e.obopomofo=12571;e.obreve=335;e.ocandradeva=2321;e.ocandragujarati=2705;e.ocandravowelsigndeva=2377;e.ocandravowelsigngujarati=2761;e.ocaron=466;e.ocircle=9438;e.ocircumflex=244;e.ocircumflexacute=7889;e.ocircumflexdotbelow=7897;e.ocircumflexgrave=7891;e.ocircumflexhookabove=7893;e.ocircumflextilde=7895;e.ocyrillic=1086;e.odblacute=337;e.odblgrave=525;e.odeva=2323;e.odieresis=246;e.odieresiscyrillic=1255;e.odotbelow=7885;e.oe=339;e.oekorean=12634;e.ogonek=731;e.ogonekcmb=808;e.ograve=242;e.ogujarati=2707;e.oharmenian=1413;e.ohiragana=12362;e.ohookabove=7887;e.ohorn=417;e.ohornacute=7899;e.ohorndotbelow=7907;e.ohorngrave=7901;e.ohornhookabove=7903;e.ohorntilde=7905;e.ohungarumlaut=337;e.oi=419;e.oinvertedbreve=527;e.okatakana=12458;e.okatakanahalfwidth=65397;e.okorean=12631;e.olehebrew=1451;e.omacron=333;e.omacronacute=7763;e.omacrongrave=7761;e.omdeva=2384;e.omega=969;e.omega1=982;e.omegacyrillic=1121;e.omegalatinclosed=631;e.omegaroundcyrillic=1147;e.omegatitlocyrillic=1149;e.omegatonos=974;e.omgujarati=2768;e.omicron=959;e.omicrontonos=972;e.omonospace=65359;e.one=49;e.onearabic=1633;e.onebengali=2535;e.onecircle=9312;e.onecircleinversesansserif=10122;e.onedeva=2407;e.onedotenleader=8228;e.oneeighth=8539;e.onefitted=63196;e.onegujarati=2791;e.onegurmukhi=2663;e.onehackarabic=1633;e.onehalf=189;e.onehangzhou=12321;e.oneideographicparen=12832;e.oneinferior=8321;e.onemonospace=65297;e.onenumeratorbengali=2548;e.oneoldstyle=63281;e.oneparen=9332;e.oneperiod=9352;e.onepersian=1777;e.onequarter=188;e.oneroman=8560;e.onesuperior=185;e.onethai=3665;e.onethird=8531;e.oogonek=491;e.oogonekmacron=493;e.oogurmukhi=2579;e.oomatragurmukhi=2635;e.oopen=596;e.oparen=9386;e.openbullet=9702;e.option=8997;e.ordfeminine=170;e.ordmasculine=186;e.orthogonal=8735;e.oshortdeva=2322;e.oshortvowelsigndeva=2378;e.oslash=248;e.oslashacute=511;e.osmallhiragana=12361;e.osmallkatakana=12457;e.osmallkatakanahalfwidth=65387;e.ostrokeacute=511;e.osuperior=63216;e.otcyrillic=1151;e.otilde=245;e.otildeacute=7757;e.otildedieresis=7759;e.oubopomofo=12577;e.overline=8254;e.overlinecenterline=65098;e.overlinecmb=773;e.overlinedashed=65097;e.overlinedblwavy=65100;e.overlinewavy=65099;e.overscore=175;e.ovowelsignbengali=2507;e.ovowelsigndeva=2379;e.ovowelsigngujarati=2763;e.p=112;e.paampssquare=13184;e.paasentosquare=13099;e.pabengali=2474;e.pacute=7765;e.padeva=2346;e.pagedown=8671;e.pageup=8670;e.pagujarati=2730;e.pagurmukhi=2602;e.pahiragana=12401;e.paiyannoithai=3631;e.pakatakana=12497;e.palatalizationcyrilliccmb=1156;e.palochkacyrillic=1216;e.pansioskorean=12671;e.paragraph=182;e.parallel=8741;e.parenleft=40;e.parenleftaltonearabic=64830;e.parenleftbt=63725;e.parenleftex=63724;e.parenleftinferior=8333;e.parenleftmonospace=65288;e.parenleftsmall=65113;e.parenleftsuperior=8317;e.parenlefttp=63723;e.parenleftvertical=65077;e.parenright=41;e.parenrightaltonearabic=64831;e.parenrightbt=63736;e.parenrightex=63735;e.parenrightinferior=8334;e.parenrightmonospace=65289;e.parenrightsmall=65114;e.parenrightsuperior=8318;e.parenrighttp=63734;e.parenrightvertical=65078;e.partialdiff=8706;e.paseqhebrew=1472;e.pashtahebrew=1433;e.pasquare=13225;e.patah=1463;e.patah11=1463;e.patah1d=1463;e.patah2a=1463;e.patahhebrew=1463;e.patahnarrowhebrew=1463;e.patahquarterhebrew=1463;e.patahwidehebrew=1463;e.pazerhebrew=1441;e.pbopomofo=12550;e.pcircle=9439;e.pdotaccent=7767;e.pe=1508;e.pecyrillic=1087;e.pedagesh=64324;e.pedageshhebrew=64324;e.peezisquare=13115;e.pefinaldageshhebrew=64323;e.peharabic=1662;e.peharmenian=1402;e.pehebrew=1508;e.pehfinalarabic=64343;e.pehinitialarabic=64344;e.pehiragana=12410;e.pehmedialarabic=64345;e.pekatakana=12506;e.pemiddlehookcyrillic=1191;e.perafehebrew=64334;e.percent=37;e.percentarabic=1642;e.percentmonospace=65285;e.percentsmall=65130;e.period=46;e.periodarmenian=1417;e.periodcentered=183;e.periodhalfwidth=65377;e.periodinferior=63207;e.periodmonospace=65294;e.periodsmall=65106;e.periodsuperior=63208;e.perispomenigreekcmb=834;e.perpendicular=8869;e.perthousand=8240;e.peseta=8359;e.pfsquare=13194;e.phabengali=2475;e.phadeva=2347;e.phagujarati=2731;e.phagurmukhi=2603;e.phi=966;e.phi1=981;e.phieuphacirclekorean=12922;e.phieuphaparenkorean=12826;e.phieuphcirclekorean=12908;e.phieuphkorean=12621;e.phieuphparenkorean=12812;e.philatin=632;e.phinthuthai=3642;e.phisymbolgreek=981;e.phook=421;e.phophanthai=3614;e.phophungthai=3612;e.phosamphaothai=3616;e.pi=960;e.pieupacirclekorean=12915;e.pieupaparenkorean=12819;e.pieupcieuckorean=12662;e.pieupcirclekorean=12901;e.pieupkiyeokkorean=12658;e.pieupkorean=12610;e.pieupparenkorean=12805;e.pieupsioskiyeokkorean=12660;e.pieupsioskorean=12612;e.pieupsiostikeutkorean=12661;e.pieupthieuthkorean=12663;e.pieuptikeutkorean=12659;e.pihiragana=12404;e.pikatakana=12500;e.pisymbolgreek=982;e.piwrarmenian=1411;e.plus=43;e.plusbelowcmb=799;e.pluscircle=8853;e.plusminus=177;e.plusmod=726;e.plusmonospace=65291;e.plussmall=65122;e.plussuperior=8314;e.pmonospace=65360;e.pmsquare=13272;e.pohiragana=12413;e.pointingindexdownwhite=9759;e.pointingindexleftwhite=9756;e.pointingindexrightwhite=9758;e.pointingindexupwhite=9757;e.pokatakana=12509;e.poplathai=3611;e.postalmark=12306;e.postalmarkface=12320;e.pparen=9387;e.precedes=8826;e.prescription=8478;e.primemod=697;e.primereversed=8245;e.product=8719;e.projective=8965;e.prolongedkana=12540;e.propellor=8984;e.propersubset=8834;e.propersuperset=8835;e.proportion=8759;e.proportional=8733;e.psi=968;e.psicyrillic=1137;e.psilipneumatacyrilliccmb=1158;e.pssquare=13232;e.puhiragana=12407;e.pukatakana=12503;e.pvsquare=13236;e.pwsquare=13242;e.q=113;e.qadeva=2392;e.qadmahebrew=1448;e.qafarabic=1602;e.qaffinalarabic=65238;e.qafinitialarabic=65239;e.qafmedialarabic=65240;e.qamats=1464;e.qamats10=1464;e.qamats1a=1464;e.qamats1c=1464;e.qamats27=1464;e.qamats29=1464;e.qamats33=1464;e.qamatsde=1464;e.qamatshebrew=1464;e.qamatsnarrowhebrew=1464;e.qamatsqatanhebrew=1464;e.qamatsqatannarrowhebrew=1464;e.qamatsqatanquarterhebrew=1464;e.qamatsqatanwidehebrew=1464;e.qamatsquarterhebrew=1464;e.qamatswidehebrew=1464;e.qarneyparahebrew=1439;e.qbopomofo=12561;e.qcircle=9440;e.qhook=672;e.qmonospace=65361;e.qof=1511;e.qofdagesh=64327;e.qofdageshhebrew=64327;e.qofhebrew=1511;e.qparen=9388;e.quarternote=9833;e.qubuts=1467;e.qubuts18=1467;e.qubuts25=1467;e.qubuts31=1467;e.qubutshebrew=1467;e.qubutsnarrowhebrew=1467;e.qubutsquarterhebrew=1467;e.qubutswidehebrew=1467;e.question=63;e.questionarabic=1567;e.questionarmenian=1374;e.questiondown=191;e.questiondownsmall=63423;e.questiongreek=894;e.questionmonospace=65311;e.questionsmall=63295;e.quotedbl=34;e.quotedblbase=8222;e.quotedblleft=8220;e.quotedblmonospace=65282;e.quotedblprime=12318;e.quotedblprimereversed=12317;e.quotedblright=8221;e.quoteleft=8216;e.quoteleftreversed=8219;e.quotereversed=8219;e.quoteright=8217;e.quoterightn=329;e.quotesinglbase=8218;e.quotesingle=39;e.quotesinglemonospace=65287;e.r=114;e.raarmenian=1404;e.rabengali=2480;e.racute=341;e.radeva=2352;e.radical=8730;e.radicalex=63717;e.radoverssquare=13230;e.radoverssquaredsquare=13231;e.radsquare=13229;e.rafe=1471;e.rafehebrew=1471;e.ragujarati=2736;e.ragurmukhi=2608;e.rahiragana=12425;e.rakatakana=12521;e.rakatakanahalfwidth=65431;e.ralowerdiagonalbengali=2545;e.ramiddlediagonalbengali=2544;e.ramshorn=612;e.ratio=8758;e.rbopomofo=12566;e.rcaron=345;e.rcedilla=343;e.rcircle=9441;e.rcommaaccent=343;e.rdblgrave=529;e.rdotaccent=7769;e.rdotbelow=7771;e.rdotbelowmacron=7773;e.referencemark=8251;e.reflexsubset=8838;e.reflexsuperset=8839;e.registered=174;e.registersans=63720;e.registerserif=63194;e.reharabic=1585;e.reharmenian=1408;e.rehfinalarabic=65198;e.rehiragana=12428;e.rekatakana=12524;e.rekatakanahalfwidth=65434;e.resh=1512;e.reshdageshhebrew=64328;e.reshhebrew=1512;e.reversedtilde=8765;e.reviahebrew=1431;e.reviamugrashhebrew=1431;e.revlogicalnot=8976;e.rfishhook=638;e.rfishhookreversed=639;e.rhabengali=2525;e.rhadeva=2397;e.rho=961;e.rhook=637;e.rhookturned=635;e.rhookturnedsuperior=693;e.rhosymbolgreek=1009;e.rhotichookmod=734;e.rieulacirclekorean=12913;e.rieulaparenkorean=12817;e.rieulcirclekorean=12899;e.rieulhieuhkorean=12608;e.rieulkiyeokkorean=12602;e.rieulkiyeoksioskorean=12649;e.rieulkorean=12601;e.rieulmieumkorean=12603;e.rieulpansioskorean=12652;e.rieulparenkorean=12803;e.rieulphieuphkorean=12607;e.rieulpieupkorean=12604;e.rieulpieupsioskorean=12651;e.rieulsioskorean=12605;e.rieulthieuthkorean=12606;e.rieultikeutkorean=12650;e.rieulyeorinhieuhkorean=12653;e.rightangle=8735;e.righttackbelowcmb=793;e.righttriangle=8895;e.rihiragana=12426;e.rikatakana=12522;e.rikatakanahalfwidth=65432;e.ring=730;e.ringbelowcmb=805;e.ringcmb=778;e.ringhalfleft=703;e.ringhalfleftarmenian=1369;e.ringhalfleftbelowcmb=796;e.ringhalfleftcentered=723;e.ringhalfright=702;e.ringhalfrightbelowcmb=825;e.ringhalfrightcentered=722;e.rinvertedbreve=531;e.rittorusquare=13137;e.rlinebelow=7775;e.rlongleg=636;e.rlonglegturned=634;e.rmonospace=65362;e.rohiragana=12429;e.rokatakana=12525;e.rokatakanahalfwidth=65435;e.roruathai=3619;e.rparen=9389;e.rrabengali=2524;e.rradeva=2353;e.rragurmukhi=2652;e.rreharabic=1681;e.rrehfinalarabic=64397;e.rrvocalicbengali=2528;e.rrvocalicdeva=2400;e.rrvocalicgujarati=2784;e.rrvocalicvowelsignbengali=2500;e.rrvocalicvowelsigndeva=2372;e.rrvocalicvowelsigngujarati=2756;e.rsuperior=63217;e.rtblock=9616;e.rturned=633;e.rturnedsuperior=692;e.ruhiragana=12427;e.rukatakana=12523;e.rukatakanahalfwidth=65433;e.rupeemarkbengali=2546;e.rupeesignbengali=2547;e.rupiah=63197;e.ruthai=3620;e.rvocalicbengali=2443;e.rvocalicdeva=2315;e.rvocalicgujarati=2699;e.rvocalicvowelsignbengali=2499;e.rvocalicvowelsigndeva=2371;e.rvocalicvowelsigngujarati=2755;e.s=115;e.sabengali=2488;e.sacute=347;e.sacutedotaccent=7781;e.sadarabic=1589;e.sadeva=2360;e.sadfinalarabic=65210;e.sadinitialarabic=65211;e.sadmedialarabic=65212;e.sagujarati=2744;e.sagurmukhi=2616;e.sahiragana=12373;e.sakatakana=12469;e.sakatakanahalfwidth=65403;e.sallallahoualayhewasallamarabic=65018;e.samekh=1505;e.samekhdagesh=64321;e.samekhdageshhebrew=64321;e.samekhhebrew=1505;e.saraaathai=3634;e.saraaethai=3649;e.saraaimaimalaithai=3652;e.saraaimaimuanthai=3651;e.saraamthai=3635;e.saraathai=3632;e.saraethai=3648;e.saraiileftthai=63622;e.saraiithai=3637;e.saraileftthai=63621;e.saraithai=3636;e.saraothai=3650;e.saraueeleftthai=63624;e.saraueethai=3639;e.saraueleftthai=63623;e.sarauethai=3638;e.sarauthai=3640;e.sarauuthai=3641;e.sbopomofo=12569;e.scaron=353;e.scarondotaccent=7783;e.scedilla=351;e.schwa=601;e.schwacyrillic=1241;e.schwadieresiscyrillic=1243;e.schwahook=602;e.scircle=9442;e.scircumflex=349;e.scommaaccent=537;e.sdotaccent=7777;e.sdotbelow=7779;e.sdotbelowdotaccent=7785;e.seagullbelowcmb=828;e.second=8243;e.secondtonechinese=714;e.section=167;e.seenarabic=1587;e.seenfinalarabic=65202;e.seeninitialarabic=65203;e.seenmedialarabic=65204;e.segol=1462;e.segol13=1462;e.segol1f=1462;e.segol2c=1462;e.segolhebrew=1462;e.segolnarrowhebrew=1462;e.segolquarterhebrew=1462;e.segoltahebrew=1426;e.segolwidehebrew=1462;e.seharmenian=1405;e.sehiragana=12379;e.sekatakana=12475;e.sekatakanahalfwidth=65406;e.semicolon=59;e.semicolonarabic=1563;e.semicolonmonospace=65307;e.semicolonsmall=65108;e.semivoicedmarkkana=12444;e.semivoicedmarkkanahalfwidth=65439;e.sentisquare=13090;e.sentosquare=13091;e.seven=55;e.sevenarabic=1639;e.sevenbengali=2541;e.sevencircle=9318;e.sevencircleinversesansserif=10128;e.sevendeva=2413;e.seveneighths=8542;e.sevengujarati=2797;e.sevengurmukhi=2669;e.sevenhackarabic=1639;e.sevenhangzhou=12327;e.sevenideographicparen=12838;e.seveninferior=8327;e.sevenmonospace=65303;e.sevenoldstyle=63287;e.sevenparen=9338;e.sevenperiod=9358;e.sevenpersian=1783;e.sevenroman=8566;e.sevensuperior=8311;e.seventeencircle=9328;e.seventeenparen=9348;e.seventeenperiod=9368;e.seventhai=3671;e.sfthyphen=173;e.shaarmenian=1399;e.shabengali=2486;e.shacyrillic=1096;e.shaddaarabic=1617;e.shaddadammaarabic=64609;e.shaddadammatanarabic=64606;e.shaddafathaarabic=64608;e.shaddakasraarabic=64610;e.shaddakasratanarabic=64607;e.shade=9618;e.shadedark=9619;e.shadelight=9617;e.shademedium=9618;e.shadeva=2358;e.shagujarati=2742;e.shagurmukhi=2614;e.shalshelethebrew=1427;e.shbopomofo=12565;e.shchacyrillic=1097;e.sheenarabic=1588;e.sheenfinalarabic=65206;e.sheeninitialarabic=65207;e.sheenmedialarabic=65208;e.sheicoptic=995;e.sheqel=8362;e.sheqelhebrew=8362;e.sheva=1456;e.sheva115=1456;e.sheva15=1456;e.sheva22=1456;e.sheva2e=1456;e.shevahebrew=1456;e.shevanarrowhebrew=1456;e.shevaquarterhebrew=1456;e.shevawidehebrew=1456;e.shhacyrillic=1211;e.shimacoptic=1005;e.shin=1513;e.shindagesh=64329;e.shindageshhebrew=64329;e.shindageshshindot=64300;e.shindageshshindothebrew=64300;e.shindageshsindot=64301;e.shindageshsindothebrew=64301;e.shindothebrew=1473;e.shinhebrew=1513;e.shinshindot=64298;e.shinshindothebrew=64298;e.shinsindot=64299;e.shinsindothebrew=64299;e.shook=642;e.sigma=963;e.sigma1=962;e.sigmafinal=962;e.sigmalunatesymbolgreek=1010;e.sihiragana=12375;e.sikatakana=12471;e.sikatakanahalfwidth=65404;e.siluqhebrew=1469;e.siluqlefthebrew=1469;e.similar=8764;e.sindothebrew=1474;e.siosacirclekorean=12916;e.siosaparenkorean=12820;e.sioscieuckorean=12670;e.sioscirclekorean=12902;e.sioskiyeokkorean=12666;e.sioskorean=12613;e.siosnieunkorean=12667;e.siosparenkorean=12806;e.siospieupkorean=12669;e.siostikeutkorean=12668;e.six=54;e.sixarabic=1638;e.sixbengali=2540;e.sixcircle=9317;e.sixcircleinversesansserif=10127;e.sixdeva=2412;e.sixgujarati=2796;e.sixgurmukhi=2668;e.sixhackarabic=1638;e.sixhangzhou=12326;e.sixideographicparen=12837;e.sixinferior=8326;e.sixmonospace=65302;e.sixoldstyle=63286;e.sixparen=9337;e.sixperiod=9357;e.sixpersian=1782;e.sixroman=8565;e.sixsuperior=8310;e.sixteencircle=9327;e.sixteencurrencydenominatorbengali=2553;e.sixteenparen=9347;e.sixteenperiod=9367;e.sixthai=3670;e.slash=47;e.slashmonospace=65295;e.slong=383;e.slongdotaccent=7835;e.smileface=9786;e.smonospace=65363;e.sofpasuqhebrew=1475;e.softhyphen=173;e.softsigncyrillic=1100;e.sohiragana=12381;e.sokatakana=12477;e.sokatakanahalfwidth=65407;e.soliduslongoverlaycmb=824;e.solidusshortoverlaycmb=823;e.sorusithai=3625;e.sosalathai=3624;e.sosothai=3595;e.sosuathai=3626;e.space=32;e.spacehackarabic=32;e.spade=9824;e.spadesuitblack=9824;e.spadesuitwhite=9828;e.sparen=9390;e.squarebelowcmb=827;e.squarecc=13252;e.squarecm=13213;e.squarediagonalcrosshatchfill=9641;e.squarehorizontalfill=9636;e.squarekg=13199;e.squarekm=13214;e.squarekmcapital=13262;e.squareln=13265;e.squarelog=13266;e.squaremg=13198;e.squaremil=13269;e.squaremm=13212;e.squaremsquared=13217;e.squareorthogonalcrosshatchfill=9638;e.squareupperlefttolowerrightfill=9639;e.squareupperrighttolowerleftfill=9640;e.squareverticalfill=9637;e.squarewhitewithsmallblack=9635;e.srsquare=13275;e.ssabengali=2487;e.ssadeva=2359;e.ssagujarati=2743;e.ssangcieuckorean=12617;e.ssanghieuhkorean=12677;e.ssangieungkorean=12672;e.ssangkiyeokkorean=12594;e.ssangnieunkorean=12645;e.ssangpieupkorean=12611;e.ssangsioskorean=12614;e.ssangtikeutkorean=12600;e.ssuperior=63218;e.sterling=163;e.sterlingmonospace=65505;e.strokelongoverlaycmb=822;e.strokeshortoverlaycmb=821;e.subset=8834;e.subsetnotequal=8842;e.subsetorequal=8838;e.succeeds=8827;e.suchthat=8715;e.suhiragana=12377;e.sukatakana=12473;e.sukatakanahalfwidth=65405;e.sukunarabic=1618;e.summation=8721;e.sun=9788;e.superset=8835;e.supersetnotequal=8843;e.supersetorequal=8839;e.svsquare=13276;e.syouwaerasquare=13180;e.t=116;e.tabengali=2468;e.tackdown=8868;e.tackleft=8867;e.tadeva=2340;e.tagujarati=2724;e.tagurmukhi=2596;e.taharabic=1591;e.tahfinalarabic=65218;e.tahinitialarabic=65219;e.tahiragana=12383;e.tahmedialarabic=65220;e.taisyouerasquare=13181;e.takatakana=12479;e.takatakanahalfwidth=65408;e.tatweelarabic=1600;e.tau=964;e.tav=1514;e.tavdages=64330;e.tavdagesh=64330;e.tavdageshhebrew=64330;e.tavhebrew=1514;e.tbar=359;e.tbopomofo=12554;e.tcaron=357;e.tccurl=680;e.tcedilla=355;e.tcheharabic=1670;e.tchehfinalarabic=64379;e.tchehinitialarabic=64380;e.tchehmedialarabic=64381;e.tcircle=9443;e.tcircumflexbelow=7793;e.tcommaaccent=355;e.tdieresis=7831;e.tdotaccent=7787;e.tdotbelow=7789;e.tecyrillic=1090;e.tedescendercyrillic=1197;e.teharabic=1578;e.tehfinalarabic=65174;e.tehhahinitialarabic=64674;e.tehhahisolatedarabic=64524;e.tehinitialarabic=65175;e.tehiragana=12390;e.tehjeeminitialarabic=64673;e.tehjeemisolatedarabic=64523;e.tehmarbutaarabic=1577;e.tehmarbutafinalarabic=65172;e.tehmedialarabic=65176;e.tehmeeminitialarabic=64676;e.tehmeemisolatedarabic=64526;e.tehnoonfinalarabic=64627;e.tekatakana=12486;e.tekatakanahalfwidth=65411;e.telephone=8481;e.telephoneblack=9742;e.telishagedolahebrew=1440;e.telishaqetanahebrew=1449;e.tencircle=9321;e.tenideographicparen=12841;e.tenparen=9341;e.tenperiod=9361;e.tenroman=8569;e.tesh=679;e.tet=1496;e.tetdagesh=64312;e.tetdageshhebrew=64312;e.tethebrew=1496;e.tetsecyrillic=1205;e.tevirhebrew=1435;e.tevirlefthebrew=1435;e.thabengali=2469;e.thadeva=2341;e.thagujarati=2725;e.thagurmukhi=2597;e.thalarabic=1584;e.thalfinalarabic=65196;e.thanthakhatlowleftthai=63640;e.thanthakhatlowrightthai=63639;e.thanthakhatthai=3660;e.thanthakhatupperleftthai=63638;e.theharabic=1579;e.thehfinalarabic=65178;e.thehinitialarabic=65179;e.thehmedialarabic=65180;e.thereexists=8707;e.therefore=8756;e.theta=952;e.theta1=977;e.thetasymbolgreek=977;e.thieuthacirclekorean=12921;e.thieuthaparenkorean=12825;e.thieuthcirclekorean=12907;e.thieuthkorean=12620;e.thieuthparenkorean=12811;e.thirteencircle=9324;e.thirteenparen=9344;e.thirteenperiod=9364;e.thonangmonthothai=3601;e.thook=429;e.thophuthaothai=3602;e.thorn=254;e.thothahanthai=3607;e.thothanthai=3600;e.thothongthai=3608;e.thothungthai=3606;e.thousandcyrillic=1154;e.thousandsseparatorarabic=1644;e.thousandsseparatorpersian=1644;e.three=51;e.threearabic=1635;e.threebengali=2537;e.threecircle=9314;e.threecircleinversesansserif=10124;e.threedeva=2409;e.threeeighths=8540;e.threegujarati=2793;e.threegurmukhi=2665;e.threehackarabic=1635;e.threehangzhou=12323;e.threeideographicparen=12834;e.threeinferior=8323;e.threemonospace=65299;e.threenumeratorbengali=2550;e.threeoldstyle=63283;e.threeparen=9334;e.threeperiod=9354;e.threepersian=1779;e.threequarters=190;e.threequartersemdash=63198;e.threeroman=8562;e.threesuperior=179;e.threethai=3667;e.thzsquare=13204;e.tihiragana=12385;e.tikatakana=12481;e.tikatakanahalfwidth=65409;e.tikeutacirclekorean=12912;e.tikeutaparenkorean=12816;e.tikeutcirclekorean=12898;e.tikeutkorean=12599;e.tikeutparenkorean=12802;e.tilde=732;e.tildebelowcmb=816;e.tildecmb=771;e.tildecomb=771;e.tildedoublecmb=864;e.tildeoperator=8764;e.tildeoverlaycmb=820;e.tildeverticalcmb=830;e.timescircle=8855;e.tipehahebrew=1430;e.tipehalefthebrew=1430;e.tippigurmukhi=2672;e.titlocyrilliccmb=1155;e.tiwnarmenian=1407;e.tlinebelow=7791;e.tmonospace=65364;e.toarmenian=1385;e.tohiragana=12392;e.tokatakana=12488;e.tokatakanahalfwidth=65412;e.tonebarextrahighmod=741;e.tonebarextralowmod=745;e.tonebarhighmod=742;e.tonebarlowmod=744;e.tonebarmidmod=743;e.tonefive=445;e.tonesix=389;e.tonetwo=424;e.tonos=900;e.tonsquare=13095;e.topatakthai=3599;e.tortoiseshellbracketleft=12308;e.tortoiseshellbracketleftsmall=65117;e.tortoiseshellbracketleftvertical=65081;e.tortoiseshellbracketright=12309;e.tortoiseshellbracketrightsmall=65118;e.tortoiseshellbracketrightvertical=65082;e.totaothai=3605;e.tpalatalhook=427;e.tparen=9391;e.trademark=8482;e.trademarksans=63722;e.trademarkserif=63195;e.tretroflexhook=648;e.triagdn=9660;e.triaglf=9668;e.triagrt=9658;e.triagup=9650;e.ts=678;e.tsadi=1510;e.tsadidagesh=64326;e.tsadidageshhebrew=64326;e.tsadihebrew=1510;e.tsecyrillic=1094;e.tsere=1461;e.tsere12=1461;e.tsere1e=1461;e.tsere2b=1461;e.tserehebrew=1461;e.tserenarrowhebrew=1461;e.tserequarterhebrew=1461;e.tserewidehebrew=1461;e.tshecyrillic=1115;e.tsuperior=63219;e.ttabengali=2463;e.ttadeva=2335;e.ttagujarati=2719;e.ttagurmukhi=2591;e.tteharabic=1657;e.ttehfinalarabic=64359;e.ttehinitialarabic=64360;e.ttehmedialarabic=64361;e.tthabengali=2464;e.tthadeva=2336;e.tthagujarati=2720;e.tthagurmukhi=2592;e.tturned=647;e.tuhiragana=12388;e.tukatakana=12484;e.tukatakanahalfwidth=65410;e.tusmallhiragana=12387;e.tusmallkatakana=12483;e.tusmallkatakanahalfwidth=65391;e.twelvecircle=9323;e.twelveparen=9343;e.twelveperiod=9363;e.twelveroman=8571;e.twentycircle=9331;e.twentyhangzhou=21316;e.twentyparen=9351;e.twentyperiod=9371;e.two=50;e.twoarabic=1634;e.twobengali=2536;e.twocircle=9313;e.twocircleinversesansserif=10123;e.twodeva=2408;e.twodotenleader=8229;e.twodotleader=8229;e.twodotleadervertical=65072;e.twogujarati=2792;e.twogurmukhi=2664;e.twohackarabic=1634;e.twohangzhou=12322;e.twoideographicparen=12833;e.twoinferior=8322;e.twomonospace=65298;e.twonumeratorbengali=2549;e.twooldstyle=63282;e.twoparen=9333;e.twoperiod=9353;e.twopersian=1778;e.tworoman=8561;e.twostroke=443;e.twosuperior=178;e.twothai=3666;e.twothirds=8532;e.u=117;e.uacute=250;e.ubar=649;e.ubengali=2441;e.ubopomofo=12584;e.ubreve=365;e.ucaron=468;e.ucircle=9444;e.ucircumflex=251;e.ucircumflexbelow=7799;e.ucyrillic=1091;e.udattadeva=2385;e.udblacute=369;e.udblgrave=533;e.udeva=2313;e.udieresis=252;e.udieresisacute=472;e.udieresisbelow=7795;e.udieresiscaron=474;e.udieresiscyrillic=1265;e.udieresisgrave=476;e.udieresismacron=470;e.udotbelow=7909;e.ugrave=249;e.ugujarati=2697;e.ugurmukhi=2569;e.uhiragana=12358;e.uhookabove=7911;e.uhorn=432;e.uhornacute=7913;e.uhorndotbelow=7921;e.uhorngrave=7915;e.uhornhookabove=7917;e.uhorntilde=7919;e.uhungarumlaut=369;e.uhungarumlautcyrillic=1267;e.uinvertedbreve=535;e.ukatakana=12454;e.ukatakanahalfwidth=65395;e.ukcyrillic=1145;e.ukorean=12636;e.umacron=363;e.umacroncyrillic=1263;e.umacrondieresis=7803;e.umatragurmukhi=2625;e.umonospace=65365;e.underscore=95;e.underscoredbl=8215;e.underscoremonospace=65343;e.underscorevertical=65075;e.underscorewavy=65103;e.union=8746;e.universal=8704;e.uogonek=371;e.uparen=9392;e.upblock=9600;e.upperdothebrew=1476;e.upsilon=965;e.upsilondieresis=971;e.upsilondieresistonos=944;e.upsilonlatin=650;e.upsilontonos=973;e.uptackbelowcmb=797;e.uptackmod=724;e.uragurmukhi=2675;e.uring=367;e.ushortcyrillic=1118;e.usmallhiragana=12357;e.usmallkatakana=12453;e.usmallkatakanahalfwidth=65385;e.ustraightcyrillic=1199;e.ustraightstrokecyrillic=1201;e.utilde=361;e.utildeacute=7801;e.utildebelow=7797;e.uubengali=2442;e.uudeva=2314;e.uugujarati=2698;e.uugurmukhi=2570;e.uumatragurmukhi=2626;e.uuvowelsignbengali=2498;e.uuvowelsigndeva=2370;e.uuvowelsigngujarati=2754;e.uvowelsignbengali=2497;e.uvowelsigndeva=2369;e.uvowelsigngujarati=2753;e.v=118;e.vadeva=2357;e.vagujarati=2741;e.vagurmukhi=2613;e.vakatakana=12535;e.vav=1493;e.vavdagesh=64309;e.vavdagesh65=64309;e.vavdageshhebrew=64309;e.vavhebrew=1493;e.vavholam=64331;e.vavholamhebrew=64331;e.vavvavhebrew=1520;e.vavyodhebrew=1521;e.vcircle=9445;e.vdotbelow=7807;e.vecyrillic=1074;e.veharabic=1700;e.vehfinalarabic=64363;e.vehinitialarabic=64364;e.vehmedialarabic=64365;e.vekatakana=12537;e.venus=9792;e.verticalbar=124;e.verticallineabovecmb=781;e.verticallinebelowcmb=809;e.verticallinelowmod=716;e.verticallinemod=712;e.vewarmenian=1406;e.vhook=651;e.vikatakana=12536;e.viramabengali=2509;e.viramadeva=2381;e.viramagujarati=2765;e.visargabengali=2435;e.visargadeva=2307;e.visargagujarati=2691;e.vmonospace=65366;e.voarmenian=1400;e.voicediterationhiragana=12446;e.voicediterationkatakana=12542;e.voicedmarkkana=12443;e.voicedmarkkanahalfwidth=65438;e.vokatakana=12538;e.vparen=9393;e.vtilde=7805;e.vturned=652;e.vuhiragana=12436;e.vukatakana=12532;e.w=119;e.wacute=7811;e.waekorean=12633;e.wahiragana=12431;e.wakatakana=12527;e.wakatakanahalfwidth=65436;e.wakorean=12632;e.wasmallhiragana=12430;e.wasmallkatakana=12526;e.wattosquare=13143;e.wavedash=12316;e.wavyunderscorevertical=65076;e.wawarabic=1608;e.wawfinalarabic=65262;e.wawhamzaabovearabic=1572;e.wawhamzaabovefinalarabic=65158;e.wbsquare=13277;e.wcircle=9446;e.wcircumflex=373;e.wdieresis=7813;e.wdotaccent=7815;e.wdotbelow=7817;e.wehiragana=12433;e.weierstrass=8472;e.wekatakana=12529;e.wekorean=12638;e.weokorean=12637;e.wgrave=7809;e.whitebullet=9702;e.whitecircle=9675;e.whitecircleinverse=9689;e.whitecornerbracketleft=12302;e.whitecornerbracketleftvertical=65091;e.whitecornerbracketright=12303;e.whitecornerbracketrightvertical=65092;e.whitediamond=9671;e.whitediamondcontainingblacksmalldiamond=9672;e.whitedownpointingsmalltriangle=9663;e.whitedownpointingtriangle=9661;e.whiteleftpointingsmalltriangle=9667;e.whiteleftpointingtriangle=9665;e.whitelenticularbracketleft=12310;e.whitelenticularbracketright=12311;e.whiterightpointingsmalltriangle=9657;e.whiterightpointingtriangle=9655;e.whitesmallsquare=9643;e.whitesmilingface=9786;e.whitesquare=9633;e.whitestar=9734;e.whitetelephone=9743;e.whitetortoiseshellbracketleft=12312;e.whitetortoiseshellbracketright=12313;e.whiteuppointingsmalltriangle=9653;e.whiteuppointingtriangle=9651;e.wihiragana=12432;e.wikatakana=12528;e.wikorean=12639;e.wmonospace=65367;e.wohiragana=12434;e.wokatakana=12530;e.wokatakanahalfwidth=65382;e.won=8361;e.wonmonospace=65510;e.wowaenthai=3623;e.wparen=9394;e.wring=7832;e.wsuperior=695;e.wturned=653;e.wynn=447;e.x=120;e.xabovecmb=829;e.xbopomofo=12562;e.xcircle=9447;e.xdieresis=7821;e.xdotaccent=7819;e.xeharmenian=1389;e.xi=958;e.xmonospace=65368;e.xparen=9395;e.xsuperior=739;e.y=121;e.yaadosquare=13134;e.yabengali=2479;e.yacute=253;e.yadeva=2351;e.yaekorean=12626;e.yagujarati=2735;e.yagurmukhi=2607;e.yahiragana=12420;e.yakatakana=12516;e.yakatakanahalfwidth=65428;e.yakorean=12625;e.yamakkanthai=3662;e.yasmallhiragana=12419;e.yasmallkatakana=12515;e.yasmallkatakanahalfwidth=65388;e.yatcyrillic=1123;e.ycircle=9448;e.ycircumflex=375;e.ydieresis=255;e.ydotaccent=7823;e.ydotbelow=7925;e.yeharabic=1610;e.yehbarreearabic=1746;e.yehbarreefinalarabic=64431;e.yehfinalarabic=65266;e.yehhamzaabovearabic=1574;e.yehhamzaabovefinalarabic=65162;e.yehhamzaaboveinitialarabic=65163;e.yehhamzaabovemedialarabic=65164;e.yehinitialarabic=65267;e.yehmedialarabic=65268;e.yehmeeminitialarabic=64733;e.yehmeemisolatedarabic=64600;e.yehnoonfinalarabic=64660;e.yehthreedotsbelowarabic=1745;e.yekorean=12630;e.yen=165;e.yenmonospace=65509;e.yeokorean=12629;e.yeorinhieuhkorean=12678;e.yerahbenyomohebrew=1450;e.yerahbenyomolefthebrew=1450;e.yericyrillic=1099;e.yerudieresiscyrillic=1273;e.yesieungkorean=12673;e.yesieungpansioskorean=12675;e.yesieungsioskorean=12674;e.yetivhebrew=1434;e.ygrave=7923;e.yhook=436;e.yhookabove=7927;e.yiarmenian=1397;e.yicyrillic=1111;e.yikorean=12642;e.yinyang=9775;e.yiwnarmenian=1410;e.ymonospace=65369;e.yod=1497;e.yoddagesh=64313;e.yoddageshhebrew=64313;e.yodhebrew=1497;e.yodyodhebrew=1522;e.yodyodpatahhebrew=64287;e.yohiragana=12424;e.yoikorean=12681;e.yokatakana=12520;e.yokatakanahalfwidth=65430;e.yokorean=12635;e.yosmallhiragana=12423;e.yosmallkatakana=12519;e.yosmallkatakanahalfwidth=65390;e.yotgreek=1011;e.yoyaekorean=12680;e.yoyakorean=12679;e.yoyakthai=3618;e.yoyingthai=3597;e.yparen=9396;e.ypogegrammeni=890;e.ypogegrammenigreekcmb=837;e.yr=422;e.yring=7833;e.ysuperior=696;e.ytilde=7929;e.yturned=654;e.yuhiragana=12422;e.yuikorean=12684;e.yukatakana=12518;e.yukatakanahalfwidth=65429;e.yukorean=12640;e.yusbigcyrillic=1131;e.yusbigiotifiedcyrillic=1133;e.yuslittlecyrillic=1127;e.yuslittleiotifiedcyrillic=1129;e.yusmallhiragana=12421;e.yusmallkatakana=12517;e.yusmallkatakanahalfwidth=65389;e.yuyekorean=12683;e.yuyeokorean=12682;e.yyabengali=2527;e.yyadeva=2399;e.z=122;e.zaarmenian=1382;e.zacute=378;e.zadeva=2395;e.zagurmukhi=2651;e.zaharabic=1592;e.zahfinalarabic=65222;e.zahinitialarabic=65223;e.zahiragana=12374;e.zahmedialarabic=65224;e.zainarabic=1586;e.zainfinalarabic=65200;e.zakatakana=12470;e.zaqefgadolhebrew=1429;e.zaqefqatanhebrew=1428;e.zarqahebrew=1432;e.zayin=1494;e.zayindagesh=64310;e.zayindageshhebrew=64310;e.zayinhebrew=1494;e.zbopomofo=12567;e.zcaron=382;e.zcircle=9449;e.zcircumflex=7825;e.zcurl=657;e.zdot=380;e.zdotaccent=380;e.zdotbelow=7827;e.zecyrillic=1079;e.zedescendercyrillic=1177;e.zedieresiscyrillic=1247;e.zehiragana=12380;e.zekatakana=12476;e.zero=48;e.zeroarabic=1632;e.zerobengali=2534;e.zerodeva=2406;e.zerogujarati=2790;e.zerogurmukhi=2662;e.zerohackarabic=1632;e.zeroinferior=8320;e.zeromonospace=65296;e.zerooldstyle=63280;e.zeropersian=1776;e.zerosuperior=8304;e.zerothai=3664;e.zerowidthjoiner=65279;e.zerowidthnonjoiner=8204;e.zerowidthspace=8203;e.zeta=950;e.zhbopomofo=12563;e.zhearmenian=1386;e.zhebrevecyrillic=1218;e.zhecyrillic=1078;e.zhedescendercyrillic=1175;e.zhedieresiscyrillic=1245;e.zihiragana=12376;e.zikatakana=12472;e.zinorhebrew=1454;e.zlinebelow=7829;e.zmonospace=65370;e.zohiragana=12382;e.zokatakana=12478;e.zparen=9397;e.zretroflexhook=656;e.zstroke=438;e.zuhiragana=12378;e.zukatakana=12474;e[".notdef"]=0;e.angbracketleftbig=9001;e.angbracketleftBig=9001;e.angbracketleftbigg=9001;e.angbracketleftBigg=9001;e.angbracketrightBig=9002;e.angbracketrightbig=9002;e.angbracketrightBigg=9002;e.angbracketrightbigg=9002;e.arrowhookleft=8618;e.arrowhookright=8617;e.arrowlefttophalf=8636;e.arrowleftbothalf=8637;e.arrownortheast=8599;e.arrownorthwest=8598;e.arrowrighttophalf=8640;e.arrowrightbothalf=8641;e.arrowsoutheast=8600;e.arrowsouthwest=8601;e.backslashbig=8726;e.backslashBig=8726;e.backslashBigg=8726;e.backslashbigg=8726;e.bardbl=8214;e.bracehtipdownleft=65079;e.bracehtipdownright=65079;e.bracehtipupleft=65080;e.bracehtipupright=65080;e.braceleftBig=123;e.braceleftbig=123;e.braceleftbigg=123;e.braceleftBigg=123;e.bracerightBig=125;e.bracerightbig=125;e.bracerightbigg=125;e.bracerightBigg=125;e.bracketleftbig=91;e.bracketleftBig=91;e.bracketleftbigg=91;e.bracketleftBigg=91;e.bracketrightBig=93;e.bracketrightbig=93;e.bracketrightbigg=93;e.bracketrightBigg=93;e.ceilingleftbig=8968;e.ceilingleftBig=8968;e.ceilingleftBigg=8968;e.ceilingleftbigg=8968;e.ceilingrightbig=8969;e.ceilingrightBig=8969;e.ceilingrightbigg=8969;e.ceilingrightBigg=8969;e.circledotdisplay=8857;e.circledottext=8857;e.circlemultiplydisplay=8855;e.circlemultiplytext=8855;e.circleplusdisplay=8853;e.circleplustext=8853;e.contintegraldisplay=8750;e.contintegraltext=8750;e.coproductdisplay=8720;e.coproducttext=8720;e.floorleftBig=8970;e.floorleftbig=8970;e.floorleftbigg=8970;e.floorleftBigg=8970;e.floorrightbig=8971;e.floorrightBig=8971;e.floorrightBigg=8971;e.floorrightbigg=8971;e.hatwide=770;e.hatwider=770;e.hatwidest=770;e.intercal=7488;e.integraldisplay=8747;e.integraltext=8747;e.intersectiondisplay=8898;e.intersectiontext=8898;e.logicalanddisplay=8743;e.logicalandtext=8743;e.logicalordisplay=8744;e.logicalortext=8744;e.parenleftBig=40;e.parenleftbig=40;e.parenleftBigg=40;e.parenleftbigg=40;e.parenrightBig=41;e.parenrightbig=41;e.parenrightBigg=41;e.parenrightbigg=41;e.prime=8242;e.productdisplay=8719;e.producttext=8719;e.radicalbig=8730;e.radicalBig=8730;e.radicalBigg=8730;e.radicalbigg=8730;e.radicalbt=8730;e.radicaltp=8730;e.radicalvertex=8730;e.slashbig=47;e.slashBig=47;e.slashBigg=47;e.slashbigg=47;e.summationdisplay=8721;e.summationtext=8721;e.tildewide=732;e.tildewider=732;e.tildewidest=732;e.uniondisplay=8899;e.unionmultidisplay=8846;e.unionmultitext=8846;e.unionsqdisplay=8852;e.unionsqtext=8852;e.uniontext=8899;e.vextenddouble=8741;e.vextendsingle=8739})),n=a((function(e){e.space=32;e.a1=9985;e.a2=9986;e.a202=9987;e.a3=9988;e.a4=9742;e.a5=9990;e.a119=9991;e.a118=9992;e.a117=9993;e.a11=9755;e.a12=9758;e.a13=9996;e.a14=9997;e.a15=9998;e.a16=9999;e.a105=1e4;e.a17=10001;e.a18=10002;e.a19=10003;e.a20=10004;e.a21=10005;e.a22=10006;e.a23=10007;e.a24=10008;e.a25=10009;e.a26=10010;e.a27=10011;e.a28=10012;e.a6=10013;e.a7=10014;e.a8=10015;e.a9=10016;e.a10=10017;e.a29=10018;e.a30=10019;e.a31=10020;e.a32=10021;e.a33=10022;e.a34=10023;e.a35=9733;e.a36=10025;e.a37=10026;e.a38=10027;e.a39=10028;e.a40=10029;e.a41=10030;e.a42=10031;e.a43=10032;e.a44=10033;e.a45=10034;e.a46=10035;e.a47=10036;e.a48=10037;e.a49=10038;e.a50=10039;e.a51=10040;e.a52=10041;e.a53=10042;e.a54=10043;e.a55=10044;e.a56=10045;e.a57=10046;e.a58=10047;e.a59=10048;e.a60=10049;e.a61=10050;e.a62=10051;e.a63=10052;e.a64=10053;e.a65=10054;e.a66=10055;e.a67=10056;e.a68=10057;e.a69=10058;e.a70=10059;e.a71=9679;e.a72=10061;e.a73=9632;e.a74=10063;e.a203=10064;e.a75=10065;e.a204=10066;e.a76=9650;e.a77=9660;e.a78=9670;e.a79=10070;e.a81=9687;e.a82=10072;e.a83=10073;e.a84=10074;e.a97=10075;e.a98=10076;e.a99=10077;e.a100=10078;e.a101=10081;e.a102=10082;e.a103=10083;e.a104=10084;e.a106=10085;e.a107=10086;e.a108=10087;e.a112=9827;e.a111=9830;e.a110=9829;e.a109=9824;e.a120=9312;e.a121=9313;e.a122=9314;e.a123=9315;e.a124=9316;e.a125=9317;e.a126=9318;e.a127=9319;e.a128=9320;e.a129=9321;e.a130=10102;e.a131=10103;e.a132=10104;e.a133=10105;e.a134=10106;e.a135=10107;e.a136=10108;e.a137=10109;e.a138=10110;e.a139=10111;e.a140=10112;e.a141=10113;e.a142=10114;e.a143=10115;e.a144=10116;e.a145=10117;e.a146=10118;e.a147=10119;e.a148=10120;e.a149=10121;e.a150=10122;e.a151=10123;e.a152=10124;e.a153=10125;e.a154=10126;e.a155=10127;e.a156=10128;e.a157=10129;e.a158=10130;e.a159=10131;e.a160=10132;e.a161=8594;e.a163=8596;e.a164=8597;e.a196=10136;e.a165=10137;e.a192=10138;e.a166=10139;e.a167=10140;e.a168=10141;e.a169=10142;e.a170=10143;e.a171=10144;e.a172=10145;e.a173=10146;e.a162=10147;e.a174=10148;e.a175=10149;e.a176=10150;e.a177=10151;e.a178=10152;e.a179=10153;e.a193=10154;e.a180=10155;e.a199=10156;e.a181=10157;e.a200=10158;e.a182=10159;e.a201=10161;e.a183=10162;e.a184=10163;e.a197=10164;e.a185=10165;e.a194=10166;e.a198=10167;e.a186=10168;e.a195=10169;e.a187=10170;e.a188=10171;e.a189=10172;e.a190=10173;e.a191=10174;e.a89=10088;e.a90=10089;e.a93=10090;e.a94=10091;e.a91=10092;e.a92=10093;e.a205=10094;e.a85=10095;e.a206=10096;e.a86=10097;e.a87=10098;e.a88=10099;e.a95=10100;e.a96=10101;e[".notdef"]=0}));t.getGlyphsUnicode=i;t.getDingbatsGlyphsUnicode=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getSupplementalGlyphMapForCalibri=t.getSupplementalGlyphMapForArialBlack=t.getGlyphMapForStandardFonts=t.getSymbolsFonts=t.getSerifFonts=t.getNonStdFontMap=t.getStdFontMap=void 0;var a=r(8);const i=(0,a.getLookupTableFactory)((function(e){e.ArialNarrow="Helvetica";e["ArialNarrow-Bold"]="Helvetica-Bold";e["ArialNarrow-BoldItalic"]="Helvetica-BoldOblique";e["ArialNarrow-Italic"]="Helvetica-Oblique";e.ArialBlack="Helvetica";e["ArialBlack-Bold"]="Helvetica-Bold";e["ArialBlack-BoldItalic"]="Helvetica-BoldOblique";e["ArialBlack-Italic"]="Helvetica-Oblique";e["Arial-Black"]="Helvetica";e["Arial-Black-Bold"]="Helvetica-Bold";e["Arial-Black-BoldItalic"]="Helvetica-BoldOblique";e["Arial-Black-Italic"]="Helvetica-Oblique";e.Arial="Helvetica";e["Arial-Bold"]="Helvetica-Bold";e["Arial-BoldItalic"]="Helvetica-BoldOblique";e["Arial-Italic"]="Helvetica-Oblique";e["Arial-BoldItalicMT"]="Helvetica-BoldOblique";e["Arial-BoldMT"]="Helvetica-Bold";e["Arial-ItalicMT"]="Helvetica-Oblique";e.ArialMT="Helvetica";e["Courier-Bold"]="Courier-Bold";e["Courier-BoldItalic"]="Courier-BoldOblique";e["Courier-Italic"]="Courier-Oblique";e.CourierNew="Courier";e["CourierNew-Bold"]="Courier-Bold";e["CourierNew-BoldItalic"]="Courier-BoldOblique";e["CourierNew-Italic"]="Courier-Oblique";e["CourierNewPS-BoldItalicMT"]="Courier-BoldOblique";e["CourierNewPS-BoldMT"]="Courier-Bold";e["CourierNewPS-ItalicMT"]="Courier-Oblique";e.CourierNewPSMT="Courier";e.Helvetica="Helvetica";e["Helvetica-Bold"]="Helvetica-Bold";e["Helvetica-BoldItalic"]="Helvetica-BoldOblique";e["Helvetica-BoldOblique"]="Helvetica-BoldOblique";e["Helvetica-Italic"]="Helvetica-Oblique";e["Helvetica-Oblique"]="Helvetica-Oblique";e["Symbol-Bold"]="Symbol";e["Symbol-BoldItalic"]="Symbol";e["Symbol-Italic"]="Symbol";e.TimesNewRoman="Times-Roman";e["TimesNewRoman-Bold"]="Times-Bold";e["TimesNewRoman-BoldItalic"]="Times-BoldItalic";e["TimesNewRoman-Italic"]="Times-Italic";e.TimesNewRomanPS="Times-Roman";e["TimesNewRomanPS-Bold"]="Times-Bold";e["TimesNewRomanPS-BoldItalic"]="Times-BoldItalic";e["TimesNewRomanPS-BoldItalicMT"]="Times-BoldItalic";e["TimesNewRomanPS-BoldMT"]="Times-Bold";e["TimesNewRomanPS-Italic"]="Times-Italic";e["TimesNewRomanPS-ItalicMT"]="Times-Italic";e.TimesNewRomanPSMT="Times-Roman";e["TimesNewRomanPSMT-Bold"]="Times-Bold";e["TimesNewRomanPSMT-BoldItalic"]="Times-BoldItalic";e["TimesNewRomanPSMT-Italic"]="Times-Italic"}));t.getStdFontMap=i;const n=(0,a.getLookupTableFactory)((function(e){e.Calibri="Helvetica";e["Calibri-Bold"]="Helvetica-Bold";e["Calibri-BoldItalic"]="Helvetica-BoldOblique";e["Calibri-Italic"]="Helvetica-Oblique";e.CenturyGothic="Helvetica";e["CenturyGothic-Bold"]="Helvetica-Bold";e["CenturyGothic-BoldItalic"]="Helvetica-BoldOblique";e["CenturyGothic-Italic"]="Helvetica-Oblique";e.ComicSansMS="Comic Sans MS";e["ComicSansMS-Bold"]="Comic Sans MS-Bold";e["ComicSansMS-BoldItalic"]="Comic Sans MS-BoldItalic";e["ComicSansMS-Italic"]="Comic Sans MS-Italic";e.LucidaConsole="Courier";e["LucidaConsole-Bold"]="Courier-Bold";e["LucidaConsole-BoldItalic"]="Courier-BoldOblique";e["LucidaConsole-Italic"]="Courier-Oblique";e["LucidaSans-Demi"]="Helvetica-Bold";e["MS-Gothic"]="MS Gothic";e["MS-Gothic-Bold"]="MS Gothic-Bold";e["MS-Gothic-BoldItalic"]="MS Gothic-BoldItalic";e["MS-Gothic-Italic"]="MS Gothic-Italic";e["MS-Mincho"]="MS Mincho";e["MS-Mincho-Bold"]="MS Mincho-Bold";e["MS-Mincho-BoldItalic"]="MS Mincho-BoldItalic";e["MS-Mincho-Italic"]="MS Mincho-Italic";e["MS-PGothic"]="MS PGothic";e["MS-PGothic-Bold"]="MS PGothic-Bold";e["MS-PGothic-BoldItalic"]="MS PGothic-BoldItalic";e["MS-PGothic-Italic"]="MS PGothic-Italic";e["MS-PMincho"]="MS PMincho";e["MS-PMincho-Bold"]="MS PMincho-Bold";e["MS-PMincho-BoldItalic"]="MS PMincho-BoldItalic";e["MS-PMincho-Italic"]="MS PMincho-Italic";e.NuptialScript="Times-Italic";e.SegoeUISymbol="Helvetica";e.Wingdings="ZapfDingbats";e["Wingdings-Regular"]="ZapfDingbats"}));t.getNonStdFontMap=n;const s=(0,a.getLookupTableFactory)((function(e){e["Adobe Jenson"]=!0;e["Adobe Text"]=!0;e.Albertus=!0;e.Aldus=!0;e.Alexandria=!0;e.Algerian=!0;e["American Typewriter"]=!0;e.Antiqua=!0;e.Apex=!0;e.Arno=!0;e.Aster=!0;e.Aurora=!0;e.Baskerville=!0;e.Bell=!0;e.Bembo=!0;e["Bembo Schoolbook"]=!0;e.Benguiat=!0;e["Berkeley Old Style"]=!0;e["Bernhard Modern"]=!0;e["Berthold City"]=!0;e.Bodoni=!0;e["Bauer Bodoni"]=!0;e["Book Antiqua"]=!0;e.Bookman=!0;e["Bordeaux Roman"]=!0;e["Californian FB"]=!0;e.Calisto=!0;e.Calvert=!0;e.Capitals=!0;e.Cambria=!0;e.Cartier=!0;e.Caslon=!0;e.Catull=!0;e.Centaur=!0;e["Century Old Style"]=!0;e["Century Schoolbook"]=!0;e.Chaparral=!0;e["Charis SIL"]=!0;e.Cheltenham=!0;e["Cholla Slab"]=!0;e.Clarendon=!0;e.Clearface=!0;e.Cochin=!0;e.Colonna=!0;e["Computer Modern"]=!0;e["Concrete Roman"]=!0;e.Constantia=!0;e["Cooper Black"]=!0;e.Corona=!0;e.Ecotype=!0;e.Egyptienne=!0;e.Elephant=!0;e.Excelsior=!0;e.Fairfield=!0;e["FF Scala"]=!0;e.Folkard=!0;e.Footlight=!0;e.FreeSerif=!0;e["Friz Quadrata"]=!0;e.Garamond=!0;e.Gentium=!0;e.Georgia=!0;e.Gloucester=!0;e["Goudy Old Style"]=!0;e["Goudy Schoolbook"]=!0;e["Goudy Pro Font"]=!0;e.Granjon=!0;e["Guardian Egyptian"]=!0;e.Heather=!0;e.Hercules=!0;e["High Tower Text"]=!0;e.Hiroshige=!0;e["Hoefler Text"]=!0;e["Humana Serif"]=!0;e.Imprint=!0;e["Ionic No. 5"]=!0;e.Janson=!0;e.Joanna=!0;e.Korinna=!0;e.Lexicon=!0;e["Liberation Serif"]=!0;e["Linux Libertine"]=!0;e.Literaturnaya=!0;e.Lucida=!0;e["Lucida Bright"]=!0;e.Melior=!0;e.Memphis=!0;e.Miller=!0;e.Minion=!0;e.Modern=!0;e["Mona Lisa"]=!0;e["Mrs Eaves"]=!0;e["MS Serif"]=!0;e["Museo Slab"]=!0;e["New York"]=!0;e["Nimbus Roman"]=!0;e["NPS Rawlinson Roadway"]=!0;e.NuptialScript=!0;e.Palatino=!0;e.Perpetua=!0;e.Plantin=!0;e["Plantin Schoolbook"]=!0;e.Playbill=!0;e["Poor Richard"]=!0;e["Rawlinson Roadway"]=!0;e.Renault=!0;e.Requiem=!0;e.Rockwell=!0;e.Roman=!0;e["Rotis Serif"]=!0;e.Sabon=!0;e.Scala=!0;e.Seagull=!0;e.Sistina=!0;e.Souvenir=!0;e.STIX=!0;e["Stone Informal"]=!0;e["Stone Serif"]=!0;e.Sylfaen=!0;e.Times=!0;e.Trajan=!0;e["Trinité"]=!0;e["Trump Mediaeval"]=!0;e.Utopia=!0;e["Vale Type"]=!0;e["Bitstream Vera"]=!0;e["Vera Serif"]=!0;e.Versailles=!0;e.Wanted=!0;e.Weiss=!0;e["Wide Latin"]=!0;e.Windsor=!0;e.XITS=!0}));t.getSerifFonts=s;const o=(0,a.getLookupTableFactory)((function(e){e.Dingbats=!0;e.Symbol=!0;e.ZapfDingbats=!0}));t.getSymbolsFonts=o;const c=(0,a.getLookupTableFactory)((function(e){e[2]=10;e[3]=32;e[4]=33;e[5]=34;e[6]=35;e[7]=36;e[8]=37;e[9]=38;e[10]=39;e[11]=40;e[12]=41;e[13]=42;e[14]=43;e[15]=44;e[16]=45;e[17]=46;e[18]=47;e[19]=48;e[20]=49;e[21]=50;e[22]=51;e[23]=52;e[24]=53;e[25]=54;e[26]=55;e[27]=56;e[28]=57;e[29]=58;e[30]=894;e[31]=60;e[32]=61;e[33]=62;e[34]=63;e[35]=64;e[36]=65;e[37]=66;e[38]=67;e[39]=68;e[40]=69;e[41]=70;e[42]=71;e[43]=72;e[44]=73;e[45]=74;e[46]=75;e[47]=76;e[48]=77;e[49]=78;e[50]=79;e[51]=80;e[52]=81;e[53]=82;e[54]=83;e[55]=84;e[56]=85;e[57]=86;e[58]=87;e[59]=88;e[60]=89;e[61]=90;e[62]=91;e[63]=92;e[64]=93;e[65]=94;e[66]=95;e[67]=96;e[68]=97;e[69]=98;e[70]=99;e[71]=100;e[72]=101;e[73]=102;e[74]=103;e[75]=104;e[76]=105;e[77]=106;e[78]=107;e[79]=108;e[80]=109;e[81]=110;e[82]=111;e[83]=112;e[84]=113;e[85]=114;e[86]=115;e[87]=116;e[88]=117;e[89]=118;e[90]=119;e[91]=120;e[92]=121;e[93]=122;e[94]=123;e[95]=124;e[96]=125;e[97]=126;e[98]=196;e[99]=197;e[100]=199;e[101]=201;e[102]=209;e[103]=214;e[104]=220;e[105]=225;e[106]=224;e[107]=226;e[108]=228;e[109]=227;e[110]=229;e[111]=231;e[112]=233;e[113]=232;e[114]=234;e[115]=235;e[116]=237;e[117]=236;e[118]=238;e[119]=239;e[120]=241;e[121]=243;e[122]=242;e[123]=244;e[124]=246;e[125]=245;e[126]=250;e[127]=249;e[128]=251;e[129]=252;e[130]=8224;e[131]=176;e[132]=162;e[133]=163;e[134]=167;e[135]=8226;e[136]=182;e[137]=223;e[138]=174;e[139]=169;e[140]=8482;e[141]=180;e[142]=168;e[143]=8800;e[144]=198;e[145]=216;e[146]=8734;e[147]=177;e[148]=8804;e[149]=8805;e[150]=165;e[151]=181;e[152]=8706;e[153]=8721;e[154]=8719;e[156]=8747;e[157]=170;e[158]=186;e[159]=8486;e[160]=230;e[161]=248;e[162]=191;e[163]=161;e[164]=172;e[165]=8730;e[166]=402;e[167]=8776;e[168]=8710;e[169]=171;e[170]=187;e[171]=8230;e[210]=218;e[223]=711;e[224]=321;e[225]=322;e[227]=353;e[229]=382;e[234]=253;e[252]=263;e[253]=268;e[254]=269;e[258]=258;e[260]=260;e[261]=261;e[265]=280;e[266]=281;e[268]=283;e[269]=313;e[275]=323;e[276]=324;e[278]=328;e[284]=345;e[285]=346;e[286]=347;e[292]=367;e[295]=377;e[296]=378;e[298]=380;e[305]=963;e[306]=964;e[307]=966;e[308]=8215;e[309]=8252;e[310]=8319;e[311]=8359;e[312]=8592;e[313]=8593;e[337]=9552;e[493]=1039;e[494]=1040;e[705]=1524;e[706]=8362;e[710]=64288;e[711]=64298;e[759]=1617;e[761]=1776;e[763]=1778;e[775]=1652;e[777]=1764;e[778]=1780;e[779]=1781;e[780]=1782;e[782]=771;e[783]=64726;e[786]=8363;e[788]=8532;e[790]=768;e[791]=769;e[792]=768;e[795]=803;e[797]=64336;e[798]=64337;e[799]=64342;e[800]=64343;e[801]=64344;e[802]=64345;e[803]=64362;e[804]=64363;e[805]=64364;e[2424]=7821;e[2425]=7822;e[2426]=7823;e[2427]=7824;e[2428]=7825;e[2429]=7826;e[2430]=7827;e[2433]=7682;e[2678]=8045;e[2679]=8046;e[2830]=1552;e[2838]=686;e[2840]=751;e[2842]=753;e[2843]=754;e[2844]=755;e[2846]=757;e[2856]=767;e[2857]=848;e[2858]=849;e[2862]=853;e[2863]=854;e[2864]=855;e[2865]=861;e[2866]=862;e[2906]=7460;e[2908]=7462;e[2909]=7463;e[2910]=7464;e[2912]=7466;e[2913]=7467;e[2914]=7468;e[2916]=7470;e[2917]=7471;e[2918]=7472;e[2920]=7474;e[2921]=7475;e[2922]=7476;e[2924]=7478;e[2925]=7479;e[2926]=7480;e[2928]=7482;e[2929]=7483;e[2930]=7484;e[2932]=7486;e[2933]=7487;e[2934]=7488;e[2936]=7490;e[2937]=7491;e[2938]=7492;e[2940]=7494;e[2941]=7495;e[2942]=7496;e[2944]=7498;e[2946]=7500;e[2948]=7502;e[2950]=7504;e[2951]=7505;e[2952]=7506;e[2954]=7508;e[2955]=7509;e[2956]=7510;e[2958]=7512;e[2959]=7513;e[2960]=7514;e[2962]=7516;e[2963]=7517;e[2964]=7518;e[2966]=7520;e[2967]=7521;e[2968]=7522;e[2970]=7524;e[2971]=7525;e[2972]=7526;e[2974]=7528;e[2975]=7529;e[2976]=7530;e[2978]=1537;e[2979]=1538;e[2980]=1539;e[2982]=1549;e[2983]=1551;e[2984]=1552;e[2986]=1554;e[2987]=1555;e[2988]=1556;e[2990]=1623;e[2991]=1624;e[2995]=1775;e[2999]=1791;e[3002]=64290;e[3003]=64291;e[3004]=64292;e[3006]=64294;e[3007]=64295;e[3008]=64296;e[3011]=1900;e[3014]=8223;e[3015]=8244;e[3017]=7532;e[3018]=7533;e[3019]=7534;e[3075]=7590;e[3076]=7591;e[3079]=7594;e[3080]=7595;e[3083]=7598;e[3084]=7599;e[3087]=7602;e[3088]=7603;e[3091]=7606;e[3092]=7607;e[3095]=7610;e[3096]=7611;e[3099]=7614;e[3100]=7615;e[3103]=7618;e[3104]=7619;e[3107]=8337;e[3108]=8338;e[3116]=1884;e[3119]=1885;e[3120]=1885;e[3123]=1886;e[3124]=1886;e[3127]=1887;e[3128]=1887;e[3131]=1888;e[3132]=1888;e[3135]=1889;e[3136]=1889;e[3139]=1890;e[3140]=1890;e[3143]=1891;e[3144]=1891;e[3147]=1892;e[3148]=1892;e[3153]=580;e[3154]=581;e[3157]=584;e[3158]=585;e[3161]=588;e[3162]=589;e[3165]=891;e[3166]=892;e[3169]=1274;e[3170]=1275;e[3173]=1278;e[3174]=1279;e[3181]=7622;e[3182]=7623;e[3282]=11799;e[3316]=578;e[3379]=42785;e[3393]=1159;e[3416]=8377}));t.getGlyphMapForStandardFonts=c;const l=(0,a.getLookupTableFactory)((function(e){e[227]=322;e[264]=261;e[291]=346}));t.getSupplementalGlyphMapForArialBlack=l;const h=(0,a.getLookupTableFactory)((function(e){e[1]=32;e[4]=65;e[17]=66;e[18]=67;e[24]=68;e[28]=69;e[38]=70;e[39]=71;e[44]=72;e[47]=73;e[58]=74;e[60]=75;e[62]=76;e[68]=77;e[69]=78;e[75]=79;e[87]=80;e[89]=81;e[90]=82;e[94]=83;e[100]=84;e[104]=85;e[115]=86;e[116]=87;e[121]=88;e[122]=89;e[127]=90;e[258]=97;e[268]=261;e[271]=98;e[272]=99;e[273]=263;e[282]=100;e[286]=101;e[295]=281;e[296]=102;e[336]=103;e[346]=104;e[349]=105;e[361]=106;e[364]=107;e[367]=108;e[371]=322;e[373]=109;e[374]=110;e[381]=111;e[383]=243;e[393]=112;e[395]=113;e[396]=114;e[400]=115;e[401]=347;e[410]=116;e[437]=117;e[448]=118;e[449]=119;e[454]=120;e[455]=121;e[460]=122;e[463]=380;e[853]=44;e[855]=58;e[856]=46;e[876]=47;e[878]=45;e[882]=45;e[894]=40;e[895]=41;e[896]=91;e[897]=93;e[923]=64;e[1004]=48;e[1005]=49;e[1006]=50;e[1007]=51;e[1008]=52;e[1009]=53;e[1010]=54;e[1011]=55;e[1012]=56;e[1013]=57;e[1081]=37;e[1085]=43;e[1086]=45}));t.getSupplementalGlyphMapForCalibri=h},function(e,t,r){var 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طم";e["ﰨ"]="ظم";e["ﰩ"]="عج";e["ﰪ"]="عم";e["ﰫ"]="غج";e["ﰬ"]="غم";e["ﰭ"]="فج";e["ﰮ"]="فح";e["ﰯ"]="فخ";e["ﰰ"]="فم";e["ﰱ"]="فى";e["ﰲ"]="في";e["ﰳ"]="قح";e["ﰴ"]="قم";e["ﰵ"]="قى";e["ﰶ"]="قي";e["ﰷ"]="كا";e["ﰸ"]="كج";e["ﰹ"]="كح";e["ﰺ"]="كخ";e["ﰻ"]="كل";e["ﰼ"]="كم";e["ﰽ"]="كى";e["ﰾ"]="كي";e["ﰿ"]="لج";e["ﱀ"]="لح";e["ﱁ"]="لخ";e["ﱂ"]="لم";e["ﱃ"]="لى";e["ﱄ"]="لي";e["ﱅ"]="مج";e["ﱆ"]="مح";e["ﱇ"]="مخ";e["ﱈ"]="مم";e["ﱉ"]="مى";e["ﱊ"]="مي";e["ﱋ"]="نج";e["ﱌ"]="نح";e["ﱍ"]="نخ";e["ﱎ"]="نم";e["ﱏ"]="نى";e["ﱐ"]="ني";e["ﱑ"]="هج";e["ﱒ"]="هم";e["ﱓ"]="هى";e["ﱔ"]="هي";e["ﱕ"]="يج";e["ﱖ"]="يح";e["ﱗ"]="يخ";e["ﱘ"]="يم";e["ﱙ"]="يى";e["ﱚ"]="يي";e["ﱛ"]="ذٰ";e["ﱜ"]="رٰ";e["ﱝ"]="ىٰ";e["ﱞ"]=" ٌّ";e["ﱟ"]=" ٍّ";e["ﱠ"]=" َّ";e["ﱡ"]=" ُّ";e["ﱢ"]=" ِّ";e["ﱣ"]=" ّٰ";e["ﱤ"]="ئر";e["ﱥ"]="ئز";e["ﱦ"]="ئم";e["ﱧ"]="ئن";e["ﱨ"]="ئى";e["ﱩ"]="ئي";e["ﱪ"]="بر";e["ﱫ"]="بز";e["ﱬ"]="بم";e["ﱭ"]="بن";e["ﱮ"]="بى";e["ﱯ"]="بي";e["ﱰ"]="تر";e["ﱱ"]="تز";e["ﱲ"]="تم";e["ﱳ"]="تن";e["ﱴ"]="تى";e["ﱵ"]="تي";e["ﱶ"]="ثر";e["ﱷ"]="ثز";e["ﱸ"]="ثم";e["ﱹ"]="ثن";e["ﱺ"]="ثى";e["ﱻ"]="ثي";e["ﱼ"]="فى";e["ﱽ"]="في";e["ﱾ"]="قى";e["ﱿ"]="قي";e["ﲀ"]="كا";e["ﲁ"]="كل";e["ﲂ"]="كم";e["ﲃ"]="كى";e["ﲄ"]="كي";e["ﲅ"]="لم";e["ﲆ"]="لى";e["ﲇ"]="لي";e["ﲈ"]="ما";e["ﲉ"]="مم";e["ﲊ"]="نر";e["ﲋ"]="نز";e["ﲌ"]="نم";e["ﲍ"]="نن";e["ﲎ"]="نى";e["ﲏ"]="ني";e["ﲐ"]="ىٰ";e["ﲑ"]="ير";e["ﲒ"]="يز";e["ﲓ"]="يم";e["ﲔ"]="ين";e["ﲕ"]="يى";e["ﲖ"]="يي";e["ﲗ"]="ئج";e["ﲘ"]="ئح";e["ﲙ"]="ئخ";e["ﲚ"]="ئم";e["ﲛ"]="ئه";e["ﲜ"]="بج";e["ﲝ"]="بح";e["ﲞ"]="بخ";e["ﲟ"]="بم";e["ﲠ"]="به";e["ﲡ"]="تج";e["ﲢ"]="تح";e["ﲣ"]="تخ";e["ﲤ"]="تم";e["ﲥ"]="ته";e["ﲦ"]="ثم";e["ﲧ"]="جح";e["ﲨ"]="جم";e["ﲩ"]="حج";e["ﲪ"]="حم";e["ﲫ"]="خج";e["ﲬ"]="خم";e["ﲭ"]="سج";e["ﲮ"]="سح";e["ﲯ"]="سخ";e["ﲰ"]="سم";e["ﲱ"]="صح";e["ﲲ"]="صخ";e["ﲳ"]="صم";e["ﲴ"]="ضج";e["ﲵ"]="ضح";e["ﲶ"]="ضخ";e["ﲷ"]="ضم";e["ﲸ"]="طح";e["ﲹ"]="ظم";e["ﲺ"]="عج";e["ﲻ"]="عم";e["ﲼ"]="غج";e["ﲽ"]="غم";e["ﲾ"]="فج";e["ﲿ"]="فح";e["ﳀ"]="فخ";e["ﳁ"]="فم";e["ﳂ"]="قح";e["ﳃ"]="قم";e["ﳄ"]="كج";e["ﳅ"]="كح";e["ﳆ"]="كخ";e["ﳇ"]="كل";e["ﳈ"]="كم";e["ﳉ"]="لج";e["ﳊ"]="لح";e["ﳋ"]="لخ";e["ﳌ"]="لم";e["ﳍ"]="له";e["ﳎ"]="مج";e["ﳏ"]="مح";e["ﳐ"]="مخ";e["ﳑ"]="مم";e["ﳒ"]="نج";e["ﳓ"]="نح";e["ﳔ"]="نخ";e["ﳕ"]="نم";e["ﳖ"]="نه";e["ﳗ"]="هج";e["ﳘ"]="هم";e["ﳙ"]="هٰ";e["ﳚ"]="يج";e["ﳛ"]="يح";e["ﳜ"]="يخ";e["ﳝ"]="يم";e["ﳞ"]="يه";e["ﳟ"]="ئم";e["ﳠ"]="ئه";e["ﳡ"]="بم";e["ﳢ"]="به";e["ﳣ"]="تم";e["ﳤ"]="ته";e["ﳥ"]="ثم";e["ﳦ"]="ثه";e["ﳧ"]="سم";e["ﳨ"]="سه";e["ﳩ"]="شم";e["ﳪ"]="شه";e["ﳫ"]="كل";e["ﳬ"]="كم";e["ﳭ"]="لم";e["ﳮ"]="نم";e["ﳯ"]="نه";e["ﳰ"]="يم";e["ﳱ"]="يه";e["ﳲ"]="ـَّ";e["ﳳ"]="ـُّ";e["ﳴ"]="ـِّ";e["ﳵ"]="طى";e["ﳶ"]="طي";e["ﳷ"]="عى";e["ﳸ"]="عي";e["ﳹ"]="غى";e["ﳺ"]="غي";e["ﳻ"]="سى";e["ﳼ"]="سي";e["ﳽ"]="شى";e["ﳾ"]="شي";e["ﳿ"]="حى";e["ﴀ"]="حي";e["ﴁ"]="جى";e["ﴂ"]="جي";e["ﴃ"]="خى";e["ﴄ"]="خي";e["ﴅ"]="صى";e["ﴆ"]="صي";e["ﴇ"]="ضى";e["ﴈ"]="ضي";e["ﴉ"]="شج";e["ﴊ"]="شح";e["ﴋ"]="شخ";e["ﴌ"]="شم";e["ﴍ"]="شر";e["ﴎ"]="سر";e["ﴏ"]="صر";e["ﴐ"]="ضر";e["ﴑ"]="طى";e["ﴒ"]="طي";e["ﴓ"]="عى";e["ﴔ"]="عي";e["ﴕ"]="غى";e["ﴖ"]="غي";e["ﴗ"]="سى";e["ﴘ"]="سي";e["ﴙ"]="شى";e["ﴚ"]="شي";e["ﴛ"]="حى";e["ﴜ"]="حي";e["ﴝ"]="جى";e["ﴞ"]="جي";e["ﴟ"]="خى";e["ﴠ"]="خي";e["ﴡ"]="صى";e["ﴢ"]="صي";e["ﴣ"]="ضى";e["ﴤ"]="ضي";e["ﴥ"]="شج";e["ﴦ"]="شح";e["ﴧ"]="شخ";e["ﴨ"]="شم";e["ﴩ"]="شر";e["ﴪ"]="سر";e["ﴫ"]="صر";e["ﴬ"]="ضر";e["ﴭ"]="شج";e["ﴮ"]="شح";e["ﴯ"]="شخ";e["ﴰ"]="شم";e["ﴱ"]="سه";e["ﴲ"]="شه";e["ﴳ"]="طم";e["ﴴ"]="سج";e["ﴵ"]="سح";e["ﴶ"]="سخ";e["ﴷ"]="شج";e["ﴸ"]="شح";e["ﴹ"]="شخ";e["ﴺ"]="طم";e["ﴻ"]="ظم";e["ﴼ"]="اً";e["ﴽ"]="اً";e["ﵐ"]="تجم";e["ﵑ"]="تحج";e["ﵒ"]="تحج";e["ﵓ"]="تحم";e["ﵔ"]="تخم";e["ﵕ"]="تمج";e["ﵖ"]="تمح";e["ﵗ"]="تمخ";e["ﵘ"]="جمح";e["ﵙ"]="جمح";e["ﵚ"]="حمي";e["ﵛ"]="حمى";e["ﵜ"]="سحج";e["ﵝ"]="سجح";e["ﵞ"]="سجى";e["ﵟ"]="سمح";e["ﵠ"]="سمح";e["ﵡ"]="سمج";e["ﵢ"]="سمم";e["ﵣ"]="سمم";e["ﵤ"]="صحح";e["ﵥ"]="صحح";e["ﵦ"]="صمم";e["ﵧ"]="شحم";e["ﵨ"]="شحم";e["ﵩ"]="شجي";e["ﵪ"]="شمخ";e["ﵫ"]="شمخ";e["ﵬ"]="شمم";e["ﵭ"]="شمم";e["ﵮ"]="ضحى";e["ﵯ"]="ضخم";e["ﵰ"]="ضخم";e["ﵱ"]="طمح";e["ﵲ"]="طمح";e["ﵳ"]="طمم";e["ﵴ"]="طمي";e["ﵵ"]="عجم";e["ﵶ"]="عمم";e["ﵷ"]="عمم";e["ﵸ"]="عمى";e["ﵹ"]="غمم";e["ﵺ"]="غمي";e["ﵻ"]="غمى";e["ﵼ"]="فخم";e["ﵽ"]="فخم";e["ﵾ"]="قمح";e["ﵿ"]="قمم";e["ﶀ"]="لحم";e["ﶁ"]="لحي";e["ﶂ"]="لحى";e["ﶃ"]="لجج";e["ﶄ"]="لجج";e["ﶅ"]="لخم";e["ﶆ"]="لخم";e["ﶇ"]="لمح";e["ﶈ"]="لمح";e["ﶉ"]="محج";e["ﶊ"]="محم";e["ﶋ"]="محي";e["ﶌ"]="مجح";e["ﶍ"]="مجم";e["ﶎ"]="مخج";e["ﶏ"]="مخم";e["ﶒ"]="مجخ";e["ﶓ"]="همج";e["ﶔ"]="همم";e["ﶕ"]="نحم";e["ﶖ"]="نحى";e["ﶗ"]="نجم";e["ﶘ"]="نجم";e["ﶙ"]="نجى";e["ﶚ"]="نمي";e["ﶛ"]="نمى";e["ﶜ"]="يمم";e["ﶝ"]="يمم";e["ﶞ"]="بخي";e["ﶟ"]="تجي";e["ﶠ"]="تجى";e["ﶡ"]="تخي";e["ﶢ"]="تخى";e["ﶣ"]="تمي";e["ﶤ"]="تمى";e["ﶥ"]="جمي";e["ﶦ"]="جحى";e["ﶧ"]="جمى";e["ﶨ"]="سخى";e["ﶩ"]="صحي";e["ﶪ"]="شحي";e["ﶫ"]="ضحي";e["ﶬ"]="لجي";e["ﶭ"]="لمي";e["ﶮ"]="يحي";e["ﶯ"]="يجي";e["ﶰ"]="يمي";e["ﶱ"]="ممي";e["ﶲ"]="قمي";e["ﶳ"]="نحي";e["ﶴ"]="قمح";e["ﶵ"]="لحم";e["ﶶ"]="عمي";e["ﶷ"]="كمي";e["ﶸ"]="نجح";e["ﶹ"]="مخي";e["ﶺ"]="لجم";e["ﶻ"]="كمم";e["ﶼ"]="لجم";e["ﶽ"]="نجح";e["ﶾ"]="جحي";e["ﶿ"]="حجي";e["ﷀ"]="مجي";e["ﷁ"]="فمي";e["ﷂ"]="بحي";e["ﷃ"]="كمم";e["ﷄ"]="عجم";e["ﷅ"]="صمم";e["ﷆ"]="سخي";e["ﷇ"]="نجي";e["﹉"]="‾";e["﹊"]="‾";e["﹋"]="‾";e["﹌"]="‾";e["﹍"]="_";e["﹎"]="_";e["﹏"]="_";e["ﺀ"]="ء";e["ﺁ"]="آ";e["ﺂ"]="آ";e["ﺃ"]="أ";e["ﺄ"]="أ";e["ﺅ"]="ؤ";e["ﺆ"]="ؤ";e["ﺇ"]="إ";e["ﺈ"]="إ";e["ﺉ"]="ئ";e["ﺊ"]="ئ";e["ﺋ"]="ئ";e["ﺌ"]="ئ";e["ﺍ"]="ا";e["ﺎ"]="ا";e["ﺏ"]="ب";e["ﺐ"]="ب";e["ﺑ"]="ب";e["ﺒ"]="ب";e["ﺓ"]="ة";e["ﺔ"]="ة";e["ﺕ"]="ت";e["ﺖ"]="ت";e["ﺗ"]="ت";e["ﺘ"]="ت";e["ﺙ"]="ث";e["ﺚ"]="ث";e["ﺛ"]="ث";e["ﺜ"]="ث";e["ﺝ"]="ج";e["ﺞ"]="ج";e["ﺟ"]="ج";e["ﺠ"]="ج";e["ﺡ"]="ح";e["ﺢ"]="ح";e["ﺣ"]="ح";e["ﺤ"]="ح";e["ﺥ"]="خ";e["ﺦ"]="خ";e["ﺧ"]="خ";e["ﺨ"]="خ";e["ﺩ"]="د";e["ﺪ"]="د";e["ﺫ"]="ذ";e["ﺬ"]="ذ";e["ﺭ"]="ر";e["ﺮ"]="ر";e["ﺯ"]="ز";e["ﺰ"]="ز";e["ﺱ"]="س";e["ﺲ"]="س";e["ﺳ"]="س";e["ﺴ"]="س";e["ﺵ"]="ش";e["ﺶ"]="ش";e["ﺷ"]="ش";e["ﺸ"]="ش";e["ﺹ"]="ص";e["ﺺ"]="ص";e["ﺻ"]="ص";e["ﺼ"]="ص";e["ﺽ"]="ض";e["ﺾ"]="ض";e["ﺿ"]="ض";e["ﻀ"]="ض";e["ﻁ"]="ط";e["ﻂ"]="ط";e["ﻃ"]="ط";e["ﻄ"]="ط";e["ﻅ"]="ظ";e["ﻆ"]="ظ";e["ﻇ"]="ظ";e["ﻈ"]="ظ";e["ﻉ"]="ع";e["ﻊ"]="ع";e["ﻋ"]="ع";e["ﻌ"]="ع";e["ﻍ"]="غ";e["ﻎ"]="غ";e["ﻏ"]="غ";e["ﻐ"]="غ";e["ﻑ"]="ف";e["ﻒ"]="ف";e["ﻓ"]="ف";e["ﻔ"]="ف";e["ﻕ"]="ق";e["ﻖ"]="ق";e["ﻗ"]="ق";e["ﻘ"]="ق";e["ﻙ"]="ك";e["ﻚ"]="ك";e["ﻛ"]="ك";e["ﻜ"]="ك";e["ﻝ"]="ل";e["ﻞ"]="ل";e["ﻟ"]="ل";e["ﻠ"]="ل";e["ﻡ"]="م";e["ﻢ"]="م";e["ﻣ"]="م";e["ﻤ"]="م";e["ﻥ"]="ن";e["ﻦ"]="ن";e["ﻧ"]="ن";e["ﻨ"]="ن";e["ﻩ"]="ه";e["ﻪ"]="ه";e["ﻫ"]="ه";e["ﻬ"]="ه";e["ﻭ"]="و";e["ﻮ"]="و";e["ﻯ"]="ى";e["ﻰ"]="ى";e["ﻱ"]="ي";e["ﻲ"]="ي";e["ﻳ"]="ي";e["ﻴ"]="ي";e["ﻵ"]="لآ";e["ﻶ"]="لآ";e["ﻷ"]="لأ";e["ﻸ"]="لأ";e["ﻹ"]="لإ";e["ﻺ"]="لإ";e["ﻻ"]="لا";e["ﻼ"]="لا"}));t.mapSpecialUnicodeValues=function mapSpecialUnicodeValues(e){return e>=65520&&e<=65535?0:e>=62976&&e<=63743?i()[e]||e:173===e?45:e};t.reverseIfRtl=function reverseIfRtl(e){var t=e.length;if(t<=1||!function isRTLRangeFor(e){var t=n[13];return e>=t.begin&&e<t.end||e>=(t=n[11]).begin&&e<t.end}(e.charCodeAt(0)))return e;for(var r="",a=t-1;a>=0;a--)r+=e[a];return r};t.getUnicodeRangeFor=function getUnicodeRangeFor(e){for(var t=0,r=n.length;t<r;t++){var a=n[t];if(e>=a.begin&&e<a.end)return t}return-1};t.getNormalizedUnicodes=s;t.getUnicodeForGlyph=function getUnicodeForGlyph(e,t){var r=t[e];if(void 0!==r)return r;if(!e)return-1;if("u"===e[0]){var a,i=e.length;if(7===i&&"n"===e[1]&&"i"===e[2])a=e.substring(3);else{if(!(i>=5&&i<=7))return-1;a=e.substring(1)}if(a===a.toUpperCase()&&(r=parseInt(a,16))>=0)return r}return-1}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.FontRendererFactory=void 0;var a=r(2),i=r(31),n=r(34),s=r(33),o=r(12),c=function FontRendererFactoryClosure(){function getLong(e,t){return e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3]}function getUshort(e,t){return e[t]<<8|e[t+1]}function getSubroutineBias(e){const t=e.length;let r=32768;t<1240?r=107:t<33900&&(r=1131);return r}function parseCmap(e,t,r){var i,n,s,o=1===getUshort(e,t+2)?getLong(e,t+8):getLong(e,t+16),c=getUshort(e,t+o);if(4===c){getUshort(e,t+o+2);var l=getUshort(e,t+o+6)>>1;n=t+o+14;i=[];for(s=0;s<l;s++,n+=2)i[s]={end:getUshort(e,n)};n+=2;for(s=0;s<l;s++,n+=2)i[s].start=getUshort(e,n);for(s=0;s<l;s++,n+=2)i[s].idDelta=getUshort(e,n);for(s=0;s<l;s++,n+=2){var h=getUshort(e,n);if(0!==h){i[s].ids=[];for(var u=0,d=i[s].end-i[s].start+1;u<d;u++){i[s].ids[u]=getUshort(e,n+h);h+=2}}}return i}if(12===c){getLong(e,t+o+4);var f=getLong(e,t+o+12);n=t+o+16;i=[];for(s=0;s<f;s++){i.push({start:getLong(e,n),end:getLong(e,n+4),idDelta:getLong(e,n+8)-getLong(e,n)});n+=12}return i}throw new a.FormatError("unsupported cmap: "+c)}function parseCff(e,t,r,a){var n=new i.CFFParser(new o.Stream(e,t,r-t),{},a).parse();return{glyphs:n.charStrings.objects,subrs:n.topDict.privateDict&&n.topDict.privateDict.subrsIndex&&n.topDict.privateDict.subrsIndex.objects,gsubrs:n.globalSubrIndex&&n.globalSubrIndex.objects,isCFFCIDFont:n.isCIDFont,fdSelect:n.fdSelect,fdArray:n.fdArray}}function lookupCmap(e,t){for(var r=t.codePointAt(0),a=0,i=0,n=e.length-1;i<n;){var s=i+n+1>>1;r<e[s].start?n=s-1:i=s}e[i].start<=r&&r<=e[i].end&&(a=e[i].idDelta+(e[i].ids?e[i].ids[r-e[i].start]:r)&65535);return{charCode:r,glyphId:a}}const e=[];class CompiledFont{constructor(e){this.constructor===CompiledFont&&(0,a.unreachable)("Cannot initialize CompiledFont.");this.fontMatrix=e;this.compiledGlyphs=Object.create(null);this.compiledCharCodeToGlyphId=Object.create(null)}getPathJs(e){const t=lookupCmap(this.cmap,e);let r=this.compiledGlyphs[t.glyphId];if(!r){r=this.compileGlyph(this.glyphs[t.glyphId],t.glyphId);this.compiledGlyphs[t.glyphId]=r}void 0===this.compiledCharCodeToGlyphId[t.charCode]&&(this.compiledCharCodeToGlyphId[t.charCode]=t.glyphId);return r}compileGlyph(t,r){if(!t||0===t.length||14===t[0])return e;let i=this.fontMatrix;if(this.isCFFCIDFont){const e=this.fdSelect.getFDIndex(r);if(e>=0&&e<this.fdArray.length){i=this.fdArray[e].getByName("FontMatrix")||a.FONT_IDENTITY_MATRIX}else(0,a.warn)("Invalid fd index for glyph index.")}const n=[];n.push({cmd:"save"});n.push({cmd:"transform",args:i.slice()});n.push({cmd:"scale",args:["size","-size"]});this.compileGlyphImpl(t,n,r);n.push({cmd:"restore"});return n}compileGlyphImpl(){(0,a.unreachable)("Children classes should implement this.")}hasBuiltPath(e){const t=lookupCmap(this.cmap,e);return void 0!==this.compiledGlyphs[t.glyphId]&&void 0!==this.compiledCharCodeToGlyphId[t.charCode]}}class TrueTypeCompiled extends CompiledFont{constructor(e,t,r){super(r||[488e-6,0,0,488e-6,0,0]);this.glyphs=e;this.cmap=t}compileGlyphImpl(e,t){!function compileGlyf(e,t,r){function moveTo(e,r){t.push({cmd:"moveTo",args:[e,r]})}function lineTo(e,r){t.push({cmd:"lineTo",args:[e,r]})}function quadraticCurveTo(e,r,a,i){t.push({cmd:"quadraticCurveTo",args:[e,r,a,i]})}var a,i=0,n=(e[i]<<24|e[i+1]<<16)>>16,s=0,o=0;i+=10;if(n<0)do{a=e[i]<<8|e[i+1];var c,l,h=e[i+2]<<8|e[i+3];i+=4;if(1&a){c=(e[i]<<24|e[i+1]<<16)>>16;l=(e[i+2]<<24|e[i+3]<<16)>>16;i+=4}else{c=e[i++];l=e[i++]}if(2&a){s=c;o=l}else{s=0;o=0}var u=1,d=1,f=0,g=0;if(8&a){u=d=(e[i]<<24|e[i+1]<<16)/1073741824;i+=2}else if(64&a){u=(e[i]<<24|e[i+1]<<16)/1073741824;d=(e[i+2]<<24|e[i+3]<<16)/1073741824;i+=4}else if(128&a){u=(e[i]<<24|e[i+1]<<16)/1073741824;f=(e[i+2]<<24|e[i+3]<<16)/1073741824;g=(e[i+4]<<24|e[i+5]<<16)/1073741824;d=(e[i+6]<<24|e[i+7]<<16)/1073741824;i+=8}var m=r.glyphs[h];if(m){t.push({cmd:"save"});t.push({cmd:"transform",args:[u,f,g,d,s,o]});compileGlyf(m,t,r);t.push({cmd:"restore"})}}while(32&a);else{var p,b,y=[];for(p=0;p<n;p++){y.push(e[i]<<8|e[i+1]);i+=2}i+=2+(e[i]<<8|e[i+1]);for(var v=y[y.length-1]+1,w=[];w.length<v;){var k=1;8&(a=e[i++])&&(k+=e[i++]);for(;k-- >0;)w.push({flags:a})}for(p=0;p<v;p++){switch(18&w[p].flags){case 0:s+=(e[i]<<24|e[i+1]<<16)>>16;i+=2;break;case 2:s-=e[i++];break;case 18:s+=e[i++]}w[p].x=s}for(p=0;p<v;p++){switch(36&w[p].flags){case 0:o+=(e[i]<<24|e[i+1]<<16)>>16;i+=2;break;case 4:o-=e[i++];break;case 36:o+=e[i++]}w[p].y=o}var S=0;for(i=0;i<n;i++){var C=y[i],x=w.slice(S,C+1);if(1&x[0].flags)x.push(x[0]);else if(1&x[x.length-1].flags)x.unshift(x[x.length-1]);else{var A={flags:1,x:(x[0].x+x[x.length-1].x)/2,y:(x[0].y+x[x.length-1].y)/2};x.unshift(A);x.push(A)}moveTo(x[0].x,x[0].y);for(p=1,b=x.length;p<b;p++)if(1&x[p].flags)lineTo(x[p].x,x[p].y);else if(1&x[p+1].flags){quadraticCurveTo(x[p].x,x[p].y,x[p+1].x,x[p+1].y);p++}else quadraticCurveTo(x[p].x,x[p].y,(x[p].x+x[p+1].x)/2,(x[p].y+x[p+1].y)/2);S=C+1}}}(e,t,this)}}class Type2Compiled extends CompiledFont{constructor(e,t,r,a){super(r||[.001,0,0,.001,0,0]);this.glyphs=e.glyphs;this.gsubrs=e.gsubrs||[];this.subrs=e.subrs||[];this.cmap=t;this.glyphNameMap=a||(0,n.getGlyphsUnicode)();this.gsubrsBias=getSubroutineBias(this.gsubrs);this.subrsBias=getSubroutineBias(this.subrs);this.isCFFCIDFont=e.isCFFCIDFont;this.fdSelect=e.fdSelect;this.fdArray=e.fdArray}compileGlyphImpl(e,t,r){!function compileCharString(e,t,r,i){function moveTo(e,r){t.push({cmd:"moveTo",args:[e,r]})}function lineTo(e,r){t.push({cmd:"lineTo",args:[e,r]})}function bezierCurveTo(e,r,a,i,n,s){t.push({cmd:"bezierCurveTo",args:[e,r,a,i,n,s]})}var n=[],o=0,c=0,l=0;!function parse(e){for(var h=0;h<e.length;){var u,d,f,g,m,p,b,y,v=!1,w=e[h++];switch(w){case 1:case 3:l+=n.length>>1;v=!0;break;case 4:c+=n.pop();moveTo(o,c);v=!0;break;case 5:for(;n.length>0;){o+=n.shift();c+=n.shift();lineTo(o,c)}break;case 6:for(;n.length>0;){lineTo(o+=n.shift(),c);if(0===n.length)break;c+=n.shift();lineTo(o,c)}break;case 7:for(;n.length>0;){c+=n.shift();lineTo(o,c);if(0===n.length)break;lineTo(o+=n.shift(),c)}break;case 8:for(;n.length>0;){u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c)}break;case 10:b=n.pop();y=null;if(r.isCFFCIDFont){const e=r.fdSelect.getFDIndex(i);if(e>=0&&e<r.fdArray.length){const t=r.fdArray[e];let a;t.privateDict&&t.privateDict.subrsIndex&&(a=t.privateDict.subrsIndex.objects);a&&(y=a[b+=getSubroutineBias(a)])}else(0,a.warn)("Invalid fd index for glyph index.")}else y=r.subrs[b+r.subrsBias];y&&parse(y);break;case 11:return;case 12:switch(w=e[h++]){case 34:d=(u=o+n.shift())+n.shift();m=c+n.shift();o=d+n.shift();bezierCurveTo(u,c,d,m,o,m);d=(u=o+n.shift())+n.shift();o=d+n.shift();bezierCurveTo(u,m,d,c,o,c);break;case 35:u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c);u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c);n.pop();break;case 36:bezierCurveTo(u=o+n.shift(),m=c+n.shift(),d=u+n.shift(),p=m+n.shift(),o=d+n.shift(),p);bezierCurveTo(u=o+n.shift(),p,d=u+n.shift(),p+n.shift(),o=d+n.shift(),c);break;case 37:var k=o,S=c;u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c);u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d;c=g;Math.abs(o-k)>Math.abs(c-S)?o+=n.shift():c+=n.shift();bezierCurveTo(u,f,d,g,o,c);break;default:throw new a.FormatError("unknown operator: 12 "+w)}break;case 14:if(n.length>=4){var C=n.pop(),x=n.pop();c=n.pop();o=n.pop();t.push({cmd:"save"});t.push({cmd:"translate",args:[o,c]});var A=lookupCmap(r.cmap,String.fromCharCode(r.glyphNameMap[s.StandardEncoding[C]]));compileCharString(r.glyphs[A.glyphId],t,r,A.glyphId);t.push({cmd:"restore"});A=lookupCmap(r.cmap,String.fromCharCode(r.glyphNameMap[s.StandardEncoding[x]]));compileCharString(r.glyphs[A.glyphId],t,r,A.glyphId)}return;case 18:l+=n.length>>1;v=!0;break;case 19:case 20:h+=(l+=n.length>>1)+7>>3;v=!0;break;case 21:c+=n.pop();moveTo(o+=n.pop(),c);v=!0;break;case 22:moveTo(o+=n.pop(),c);v=!0;break;case 23:l+=n.length>>1;v=!0;break;case 24:for(;n.length>2;){u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c)}o+=n.shift();c+=n.shift();lineTo(o,c);break;case 25:for(;n.length>6;){o+=n.shift();c+=n.shift();lineTo(o,c)}u=o+n.shift();f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o,c);break;case 26:n.length%2&&(o+=n.shift());for(;n.length>0;){u=o;f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d;c=g+n.shift();bezierCurveTo(u,f,d,g,o,c)}break;case 27:n.length%2&&(c+=n.shift());for(;n.length>0;)bezierCurveTo(u=o+n.shift(),f=c,d=u+n.shift(),g=f+n.shift(),o=d+n.shift(),c=g);break;case 28:n.push((e[h]<<24|e[h+1]<<16)>>16);h+=2;break;case 29:b=n.pop()+r.gsubrsBias;(y=r.gsubrs[b])&&parse(y);break;case 30:for(;n.length>0;){u=o;f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+(1===n.length?n.shift():0);bezierCurveTo(u,f,d,g,o,c);if(0===n.length)break;u=o+n.shift();f=c;d=u+n.shift();g=f+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o=d+(1===n.length?n.shift():0),c)}break;case 31:for(;n.length>0;){u=o+n.shift();f=c;d=u+n.shift();g=f+n.shift();c=g+n.shift();bezierCurveTo(u,f,d,g,o=d+(1===n.length?n.shift():0),c);if(0===n.length)break;u=o;f=c+n.shift();d=u+n.shift();g=f+n.shift();o=d+n.shift();c=g+(1===n.length?n.shift():0);bezierCurveTo(u,f,d,g,o,c)}break;default:if(w<32)throw new a.FormatError("unknown operator: "+w);if(w<247)n.push(w-139);else if(w<251)n.push(256*(w-247)+e[h++]+108);else if(w<255)n.push(256*-(w-251)-e[h++]-108);else{n.push((e[h]<<24|e[h+1]<<16|e[h+2]<<8|e[h+3])/65536);h+=4}}v&&(n.length=0)}}(e)}(e,t,this,r)}}return{create:function FontRendererFactory_create(e,t){for(var r,i,n,s,o,c,l=new Uint8Array(e.data),h=getUshort(l,4),u=0,d=12;u<h;u++,d+=16){var f=(0,a.bytesToString)(l.subarray(d,d+4)),g=getLong(l,d+8),m=getLong(l,d+12);switch(f){case"cmap":r=parseCmap(l,g);break;case"glyf":i=l.subarray(g,g+m);break;case"loca":n=l.subarray(g,g+m);break;case"head":c=getUshort(l,g+18);o=getUshort(l,g+50);break;case"CFF ":s=parseCff(l,g,g+m,t)}}if(i){var p=c?[1/c,0,0,1/c,0,0]:e.fontMatrix;return new TrueTypeCompiled(function parseGlyfTable(e,t,r){var a,i;if(r){a=4;i=function fontItemDecodeLong(e,t){return e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3]}}else{a=2;i=function fontItemDecode(e,t){return e[t]<<9|e[t+1]<<1}}for(var n=[],s=i(t,0),o=a;o<t.length;o+=a){var c=i(t,o);n.push(e.subarray(s,c));s=c}return n}(i,n,o),r,p)}return new Type2Compiled(s,r,e.fontMatrix,e.glyphNameMap)}}}();t.FontRendererFactory=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Type1Parser=void 0;var a=r(33),i=r(8),n=r(12),s=r(2),o=function Type1CharStringClosure(){var e=[4],t=[5],r=[6],a=[7],i=[8],n=[12,35],o=[14],c=[21],l=[22],h=[30],u=[31];function Type1CharString(){this.width=0;this.lsb=0;this.flexing=!1;this.output=[];this.stack=[]}Type1CharString.prototype={convert:function Type1CharString_convert(d,f,g){for(var m,p,b,y=d.length,v=!1,w=0;w<y;w++){var k=d[w];if(k<32){12===k&&(k=(k<<8)+d[++w]);switch(k){case 1:case 3:this.stack=[];break;case 4:if(this.flexing){if(this.stack.length<1){v=!0;break}var S=this.stack.pop();this.stack.push(0,S);break}v=this.executeCommand(1,e);break;case 5:v=this.executeCommand(2,t);break;case 6:v=this.executeCommand(1,r);break;case 7:v=this.executeCommand(1,a);break;case 8:v=this.executeCommand(6,i);break;case 9:this.stack=[];break;case 10:if(this.stack.length<1){v=!0;break}if(!f[b=this.stack.pop()]){v=!0;break}v=this.convert(f[b],f,g);break;case 11:return v;case 13:if(this.stack.length<2){v=!0;break}m=this.stack.pop();p=this.stack.pop();this.lsb=p;this.width=m;this.stack.push(m,p);v=this.executeCommand(2,l);break;case 14:this.output.push(o[0]);break;case 21:if(this.flexing)break;v=this.executeCommand(2,c);break;case 22:if(this.flexing){this.stack.push(0);break}v=this.executeCommand(1,l);break;case 30:v=this.executeCommand(4,h);break;case 31:v=this.executeCommand(4,u);break;case 3072:case 3073:case 3074:this.stack=[];break;case 3078:if(g){const e=this.stack[this.stack.length-5];this.seac=this.stack.splice(-4,4);this.seac[0]+=this.lsb-e;v=this.executeCommand(0,o)}else v=this.executeCommand(4,o);break;case 3079:if(this.stack.length<4){v=!0;break}this.stack.pop();m=this.stack.pop();var C=this.stack.pop();p=this.stack.pop();this.lsb=p;this.width=m;this.stack.push(m,p,C);v=this.executeCommand(3,c);break;case 3084:if(this.stack.length<2){v=!0;break}var x=this.stack.pop(),A=this.stack.pop();this.stack.push(A/x);break;case 3088:if(this.stack.length<2){v=!0;break}b=this.stack.pop();var T=this.stack.pop();if(0===b&&3===T){var I=this.stack.splice(this.stack.length-17,17);this.stack.push(I[2]+I[0],I[3]+I[1],I[4],I[5],I[6],I[7],I[8],I[9],I[10],I[11],I[12],I[13],I[14]);v=this.executeCommand(13,n,!0);this.flexing=!1;this.stack.push(I[15],I[16])}else 1===b&&0===T&&(this.flexing=!0);break;case 3089:break;case 3105:this.stack=[];break;default:(0,s.warn)('Unknown type 1 charstring command of "'+k+'"')}if(v)break}else{k<=246?k-=139:k=k<=250?256*(k-247)+d[++w]+108:k<=254?-256*(k-251)-d[++w]-108:(255&d[++w])<<24|(255&d[++w])<<16|(255&d[++w])<<8|(255&d[++w])<<0;this.stack.push(k)}}return v},executeCommand(e,t,r){var a=this.stack.length;if(e>a)return!0;for(var i=a-e,n=i;n<a;n++){var s=this.stack[n];if(Number.isInteger(s))this.output.push(28,s>>8&255,255&s);else{s=65536*s|0;this.output.push(255,s>>24&255,s>>16&255,s>>8&255,255&s)}}this.output.push.apply(this.output,t);r?this.stack.splice(i,e):this.stack.length=0;return!1}};return Type1CharString}(),c=function Type1ParserClosure(){function isHexDigit(e){return e>=48&&e<=57||e>=65&&e<=70||e>=97&&e<=102}function decrypt(e,t,r){if(r>=e.length)return new Uint8Array(0);var a,i,n=0|t;for(a=0;a<r;a++)n=52845*(e[a]+n)+22719&65535;var s=e.length-r,o=new Uint8Array(s);for(a=r,i=0;i<s;a++,i++){var c=e[a];o[i]=c^n>>8;n=52845*(c+n)+22719&65535}return o}function isSpecial(e){return 47===e||91===e||93===e||123===e||125===e||40===e||41===e}function Type1Parser(e,t,r){if(t){var a=e.getBytes(),s=!((isHexDigit(a[0])||(0,i.isWhiteSpace)(a[0]))&&isHexDigit(a[1])&&isHexDigit(a[2])&&isHexDigit(a[3])&&isHexDigit(a[4])&&isHexDigit(a[5])&&isHexDigit(a[6])&&isHexDigit(a[7]));e=new n.Stream(s?decrypt(a,55665,4):function decryptAscii(e,t,r){var a,i,n=0|t,s=e.length,o=new Uint8Array(s>>>1);for(a=0,i=0;a<s;a++){var c=e[a];if(isHexDigit(c)){a++;for(var l;a<s&&!isHexDigit(l=e[a]);)a++;if(a<s){var h=parseInt(String.fromCharCode(c,l),16);o[i++]=h^n>>8;n=52845*(h+n)+22719&65535}}}return o.slice(r,i)}(a,55665,4))}this.seacAnalysisEnabled=!!r;this.stream=e;this.nextChar()}Type1Parser.prototype={readNumberArray:function Type1Parser_readNumberArray(){this.getToken();for(var e=[];;){var t=this.getToken();if(null===t||"]"===t||"}"===t)break;e.push(parseFloat(t||0))}return e},readNumber:function Type1Parser_readNumber(){var e=this.getToken();return parseFloat(e||0)},readInt:function Type1Parser_readInt(){var e=this.getToken();return 0|parseInt(e||0,10)},readBoolean:function Type1Parser_readBoolean(){return"true"===this.getToken()?1:0},nextChar:function Type1_nextChar(){return this.currentChar=this.stream.getByte()},getToken:function Type1Parser_getToken(){for(var e=!1,t=this.currentChar;;){if(-1===t)return null;if(e)10!==t&&13!==t||(e=!1);else if(37===t)e=!0;else if(!(0,i.isWhiteSpace)(t))break;t=this.nextChar()}if(isSpecial(t)){this.nextChar();return String.fromCharCode(t)}var r="";do{r+=String.fromCharCode(t);t=this.nextChar()}while(t>=0&&!(0,i.isWhiteSpace)(t)&&!isSpecial(t));return r},readCharStrings:function Type1Parser_readCharStrings(e,t){return-1===t?e:decrypt(e,4330,t)},extractFontProgram:function Type1Parser_extractFontProgram(e){var t=this.stream,r=[],a=[],i=Object.create(null);i.lenIV=4;for(var n,s,c,l,h,u={subrs:[],charstrings:[],properties:{privateData:i}};null!==(n=this.getToken());)if("/"===n)switch(n=this.getToken()){case"CharStrings":this.getToken();this.getToken();this.getToken();this.getToken();for(;null!==(n=this.getToken())&&"end"!==n;)if("/"===n){var d=this.getToken();s=this.readInt();this.getToken();c=s>0?t.getBytes(s):new Uint8Array(0);l=u.properties.privateData.lenIV;h=this.readCharStrings(c,l);this.nextChar();"noaccess"===(n=this.getToken())&&this.getToken();a.push({glyph:d,encoded:h})}break;case"Subrs":this.readInt();this.getToken();for(;"dup"===this.getToken();){const e=this.readInt();s=this.readInt();this.getToken();c=s>0?t.getBytes(s):new Uint8Array(0);l=u.properties.privateData.lenIV;h=this.readCharStrings(c,l);this.nextChar();"noaccess"===(n=this.getToken())&&this.getToken();r[e]=h}break;case"BlueValues":case"OtherBlues":case"FamilyBlues":case"FamilyOtherBlues":var f=this.readNumberArray();f.length>0&&f.length,0;break;case"StemSnapH":case"StemSnapV":u.properties.privateData[n]=this.readNumberArray();break;case"StdHW":case"StdVW":u.properties.privateData[n]=this.readNumberArray()[0];break;case"BlueShift":case"lenIV":case"BlueFuzz":case"BlueScale":case"LanguageGroup":case"ExpansionFactor":u.properties.privateData[n]=this.readNumber();break;case"ForceBold":u.properties.privateData[n]=this.readBoolean()}for(var g=0;g<a.length;g++){d=a[g].glyph;h=a[g].encoded;var m=new o,p=m.convert(h,r,this.seacAnalysisEnabled),b=m.output;p&&(b=[14]);const t={glyphName:d,charstring:b,width:m.width,lsb:m.lsb,seac:m.seac};".notdef"===d?u.charstrings.unshift(t):u.charstrings.push(t);if(e.builtInEncoding){const t=e.builtInEncoding.indexOf(d);t>-1&&void 0===e.widths[t]&&t>=e.firstChar&&t<=e.lastChar&&(e.widths[t]=m.width)}}return u},extractFontHeader:function Type1Parser_extractFontHeader(e){for(var t;null!==(t=this.getToken());)if("/"===t)switch(t=this.getToken()){case"FontMatrix":var r=this.readNumberArray();e.fontMatrix=r;break;case"Encoding":var i,n=this.getToken();if(/^\d+$/.test(n)){i=[];var s=0|parseInt(n,10);this.getToken();for(var o=0;o<s;o++){t=this.getToken();for(;"dup"!==t&&"def"!==t;)if(null===(t=this.getToken()))return;if("def"===t)break;var c=this.readInt();this.getToken();var l=this.getToken();i[c]=l;this.getToken()}}else i=(0,a.getEncoding)(n);e.builtInEncoding=i;break;case"FontBBox":var h=this.readNumberArray();e.ascent=Math.max(h[3],h[1]);e.descent=Math.min(h[1],h[3]);e.ascentScaled=!0}}};return Type1Parser}();t.Type1Parser=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getTilingPatternIR=function getTilingPatternIR(e,t,r){const i=t.getArray("Matrix"),n=a.Util.normalizeRect(t.getArray("BBox")),s=t.get("XStep"),o=t.get("YStep"),c=t.get("PaintType"),l=t.get("TilingType");if(n[2]-n[0]==0||n[3]-n[1]==0)throw new a.FormatError(`Invalid getTilingPatternIR /BBox array: [${n}].`);return["TilingPattern",r,e,i,n,s,o,c,l]};t.Pattern=void 0;var a=r(2),i=r(23),n=r(5),s=r(8),o=2,c=3,l=4,h=5,u=6,d=7,f=function PatternClosure(){function Pattern(){(0,a.unreachable)("should not call Pattern constructor")}Pattern.prototype={getPattern:function Pattern_getPattern(e){(0,a.unreachable)("Should not call Pattern.getStyle: "+e)}};Pattern.parseShading=function(e,t,r,i,f,m,p){var b=(0,n.isStream)(e)?e.dict:e,y=b.get("ShadingType");try{switch(y){case o:case c:return new g.RadialAxial(b,t,r,i,m,p);case l:case h:case u:case d:return new g.Mesh(e,t,r,i,m,p);default:throw new a.FormatError("Unsupported ShadingType: "+y)}}catch(e){if(e instanceof s.MissingDataException)throw e;f.send("UnsupportedFeature",{featureId:a.UNSUPPORTED_FEATURES.shadingPattern});(0,a.warn)(e);return new g.Dummy}};return Pattern}();t.Pattern=f;var g={SMALL_NUMBER:1e-6};g.RadialAxial=function RadialAxialClosure(){function RadialAxial(e,t,r,n,s,o){this.matrix=t;this.coordsArr=e.getArray("Coords");this.shadingType=e.get("ShadingType");this.type="Pattern";const l=i.ColorSpace.parse({cs:e.getRaw("ColorSpace")||e.getRaw("CS"),xref:r,resources:n,pdfFunctionFactory:s,localColorSpaceCache:o});this.cs=l;const h=e.getArray("BBox");Array.isArray(h)&&4===h.length?this.bbox=a.Util.normalizeRect(h):this.bbox=null;var u=0,d=1;if(e.has("Domain")){var f=e.getArray("Domain");u=f[0];d=f[1]}var m=!1,p=!1;if(e.has("Extend")){var b=e.getArray("Extend");m=b[0];p=b[1]}if(!(this.shadingType!==c||m&&p)){var y=this.coordsArr[0],v=this.coordsArr[1],w=this.coordsArr[2],k=this.coordsArr[3],S=this.coordsArr[4],C=this.coordsArr[5],x=Math.sqrt((y-k)*(y-k)+(v-S)*(v-S));w<=C+x&&C<=w+x&&(0,a.warn)("Unsupported radial gradient.")}this.extendStart=m;this.extendEnd=p;var A=e.getRaw("Function"),T=s.createFromArray(A);const I=(d-u)/10;var F=this.colorStops=[];if(u>=d||I<=0)(0,a.info)("Bad shading domain.");else{var P,E=new Float32Array(l.numComps),B=new Float32Array(1);for(let e=0;e<=10;e++){B[0]=u+e*I;T(B,0,E,0);P=l.getRgb(E,0);var O=a.Util.makeCssRgb(P[0],P[1],P[2]);F.push([e/10,O])}var M="transparent";if(e.has("Background")){P=l.getRgb(e.get("Background"),0);M=a.Util.makeCssRgb(P[0],P[1],P[2])}if(!m){F.unshift([0,M]);F[1][0]+=g.SMALL_NUMBER}if(!p){F[F.length-1][0]-=g.SMALL_NUMBER;F.push([1,M])}this.colorStops=F}}RadialAxial.prototype={getIR:function RadialAxial_getIR(){var e,t,r,i,n,s=this.coordsArr,l=this.shadingType;if(l===o){t=[s[0],s[1]];r=[s[2],s[3]];i=null;n=null;e="axial"}else if(l===c){t=[s[0],s[1]];r=[s[3],s[4]];i=s[2];n=s[5];e="radial"}else(0,a.unreachable)("getPattern type unknown: "+l);var h=this.matrix;if(h){t=a.Util.applyTransform(t,h);r=a.Util.applyTransform(r,h);if(l===c){var u=a.Util.singularValueDecompose2dScale(h);i*=u[0];n*=u[1]}}return["RadialAxial",e,this.bbox,this.colorStops,t,r,i,n]}};return RadialAxial}();g.Mesh=function MeshClosure(){function MeshStreamReader(e,t){this.stream=e;this.context=t;this.buffer=0;this.bufferLength=0;var r=t.numComps;this.tmpCompsBuf=new Float32Array(r);var a=t.colorSpace.numComps;this.tmpCsCompsBuf=t.colorFn?new Float32Array(a):this.tmpCompsBuf}MeshStreamReader.prototype={get hasData(){if(this.stream.end)return this.stream.pos<this.stream.end;if(this.bufferLength>0)return!0;var e=this.stream.getByte();if(e<0)return!1;this.buffer=e;this.bufferLength=8;return!0},readBits:function MeshStreamReader_readBits(e){var t=this.buffer,r=this.bufferLength;if(32===e){if(0===r)return(this.stream.getByte()<<24|this.stream.getByte()<<16|this.stream.getByte()<<8|this.stream.getByte())>>>0;t=t<<24|this.stream.getByte()<<16|this.stream.getByte()<<8|this.stream.getByte();var a=this.stream.getByte();this.buffer=a&(1<<r)-1;return(t<<8-r|(255&a)>>r)>>>0}if(8===e&&0===r)return this.stream.getByte();for(;r<e;){t=t<<8|this.stream.getByte();r+=8}r-=e;this.bufferLength=r;this.buffer=t&(1<<r)-1;return t>>r},align:function MeshStreamReader_align(){this.buffer=0;this.bufferLength=0},readFlag:function MeshStreamReader_readFlag(){return this.readBits(this.context.bitsPerFlag)},readCoordinate:function MeshStreamReader_readCoordinate(){var e=this.context.bitsPerCoordinate,t=this.readBits(e),r=this.readBits(e),a=this.context.decode,i=e<32?1/((1<<e)-1):2.3283064365386963e-10;return[t*i*(a[1]-a[0])+a[0],r*i*(a[3]-a[2])+a[2]]},readComponents:function MeshStreamReader_readComponents(){for(var e=this.context.numComps,t=this.context.bitsPerComponent,r=t<32?1/((1<<t)-1):2.3283064365386963e-10,a=this.context.decode,i=this.tmpCompsBuf,n=0,s=4;n<e;n++,s+=2){var o=this.readBits(t);i[n]=o*r*(a[s+1]-a[s])+a[s]}var c=this.tmpCsCompsBuf;this.context.colorFn&&this.context.colorFn(i,0,c,0);return this.context.colorSpace.getRgb(c,0)}};var e=function getBClosure(){var e=[];return function getB(t){e[t]||(e[t]=function buildB(e){for(var t=[],r=0;r<=e;r++){var a=r/e,i=1-a;t.push(new Float32Array([i*i*i,3*a*i*i,3*a*a*i,a*a*a]))}return t}(t));return e[t]}}();function buildFigureFromPatch(t,r){var i=t.figures[r];(0,a.assert)("patch"===i.type,"Unexpected patch mesh figure");var n=t.coords,s=t.colors,o=i.coords,c=i.colors,l=Math.min(n[o[0]][0],n[o[3]][0],n[o[12]][0],n[o[15]][0]),h=Math.min(n[o[0]][1],n[o[3]][1],n[o[12]][1],n[o[15]][1]),u=Math.max(n[o[0]][0],n[o[3]][0],n[o[12]][0],n[o[15]][0]),d=Math.max(n[o[0]][1],n[o[3]][1],n[o[12]][1],n[o[15]][1]),f=Math.ceil(20*(u-l)/(t.bounds[2]-t.bounds[0]));f=Math.max(3,Math.min(20,f));var g=Math.ceil(20*(d-h)/(t.bounds[3]-t.bounds[1]));g=Math.max(3,Math.min(20,g));for(var m=f+1,p=new Int32Array((g+1)*m),b=new Int32Array((g+1)*m),y=0,v=new Uint8Array(3),w=new Uint8Array(3),k=s[c[0]],S=s[c[1]],C=s[c[2]],x=s[c[3]],A=e(g),T=e(f),I=0;I<=g;I++){v[0]=(k[0]*(g-I)+C[0]*I)/g|0;v[1]=(k[1]*(g-I)+C[1]*I)/g|0;v[2]=(k[2]*(g-I)+C[2]*I)/g|0;w[0]=(S[0]*(g-I)+x[0]*I)/g|0;w[1]=(S[1]*(g-I)+x[1]*I)/g|0;w[2]=(S[2]*(g-I)+x[2]*I)/g|0;for(var F=0;F<=f;F++,y++)if(0!==I&&I!==g||0!==F&&F!==f){for(var P=0,E=0,B=0,O=0;O<=3;O++)for(var M=0;M<=3;M++,B++){var D=A[I][O]*T[F][M];P+=n[o[B]][0]*D;E+=n[o[B]][1]*D}p[y]=n.length;n.push([P,E]);b[y]=s.length;var R=new Uint8Array(3);R[0]=(v[0]*(f-F)+w[0]*F)/f|0;R[1]=(v[1]*(f-F)+w[1]*F)/f|0;R[2]=(v[2]*(f-F)+w[2]*F)/f|0;s.push(R)}}p[0]=o[0];b[0]=c[0];p[f]=o[3];b[f]=c[1];p[m*g]=o[12];b[m*g]=c[2];p[m*g+f]=o[15];b[m*g+f]=c[3];t.figures[r]={type:"lattice",coords:p,colors:b,verticesPerRow:m}}function updateBounds(e){for(var t=e.coords[0][0],r=e.coords[0][1],a=t,i=r,n=1,s=e.coords.length;n<s;n++){var o=e.coords[n][0],c=e.coords[n][1];t=t>o?o:t;r=r>c?c:r;a=a<o?o:a;i=i<c?c:i}e.bounds=[t,r,a,i]}function Mesh(e,t,r,s,o,c){if(!(0,n.isStream)(e))throw new a.FormatError("Mesh data is not a stream");var f=e.dict;this.matrix=t;this.shadingType=f.get("ShadingType");this.type="Pattern";const g=f.getArray("BBox");Array.isArray(g)&&4===g.length?this.bbox=a.Util.normalizeRect(g):this.bbox=null;const m=i.ColorSpace.parse({cs:f.getRaw("ColorSpace")||f.getRaw("CS"),xref:r,resources:s,pdfFunctionFactory:o,localColorSpaceCache:c});this.cs=m;this.background=f.has("Background")?m.getRgb(f.get("Background"),0):null;var p=f.getRaw("Function"),b=p?o.createFromArray(p):null;this.coords=[];this.colors=[];this.figures=[];var y=new MeshStreamReader(e,{bitsPerCoordinate:f.get("BitsPerCoordinate"),bitsPerComponent:f.get("BitsPerComponent"),bitsPerFlag:f.get("BitsPerFlag"),decode:f.getArray("Decode"),colorFn:b,colorSpace:m,numComps:b?1:m.numComps}),v=!1;switch(this.shadingType){case l:!function decodeType4Shading(e,t){for(var r=e.coords,i=e.colors,n=[],s=[],o=0;t.hasData;){var c=t.readFlag(),l=t.readCoordinate(),h=t.readComponents();if(0===o){if(!(0<=c&&c<=2))throw new a.FormatError("Unknown type4 flag");switch(c){case 0:o=3;break;case 1:s.push(s[s.length-2],s[s.length-1]);o=1;break;case 2:s.push(s[s.length-3],s[s.length-1]);o=1}n.push(c)}s.push(r.length);r.push(l);i.push(h);o--;t.align()}e.figures.push({type:"triangles",coords:new Int32Array(s),colors:new Int32Array(s)})}(this,y);break;case h:var w=0|f.get("VerticesPerRow");if(w<2)throw new a.FormatError("Invalid VerticesPerRow");!function decodeType5Shading(e,t,r){for(var a=e.coords,i=e.colors,n=[];t.hasData;){var s=t.readCoordinate(),o=t.readComponents();n.push(a.length);a.push(s);i.push(o)}e.figures.push({type:"lattice",coords:new Int32Array(n),colors:new Int32Array(n),verticesPerRow:r})}(this,y,w);break;case u:!function decodeType6Shading(e,t){for(var r=e.coords,i=e.colors,n=new Int32Array(16),s=new Int32Array(4);t.hasData;){var o,c,l=t.readFlag();if(!(0<=l&&l<=3))throw new a.FormatError("Unknown type6 flag");var h=r.length;for(o=0,c=0!==l?8:12;o<c;o++)r.push(t.readCoordinate());var u,d,f,g,m=i.length;for(o=0,c=0!==l?2:4;o<c;o++)i.push(t.readComponents());switch(l){case 0:n[12]=h+3;n[13]=h+4;n[14]=h+5;n[15]=h+6;n[8]=h+2;n[11]=h+7;n[4]=h+1;n[7]=h+8;n[0]=h;n[1]=h+11;n[2]=h+10;n[3]=h+9;s[2]=m+1;s[3]=m+2;s[0]=m;s[1]=m+3;break;case 1:u=n[12];d=n[13];f=n[14];g=n[15];n[12]=g;n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=f;n[11]=h+3;n[4]=d;n[7]=h+4;n[0]=u;n[1]=h+7;n[2]=h+6;n[3]=h+5;u=s[2];d=s[3];s[2]=d;s[3]=m;s[0]=u;s[1]=m+1;break;case 2:u=n[15];d=n[11];n[12]=n[3];n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=n[7];n[11]=h+3;n[4]=d;n[7]=h+4;n[0]=u;n[1]=h+7;n[2]=h+6;n[3]=h+5;u=s[3];s[2]=s[1];s[3]=m;s[0]=u;s[1]=m+1;break;case 3:n[12]=n[0];n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=n[1];n[11]=h+3;n[4]=n[2];n[7]=h+4;n[0]=n[3];n[1]=h+7;n[2]=h+6;n[3]=h+5;s[2]=s[0];s[3]=m;s[0]=s[1];s[1]=m+1}n[5]=r.length;r.push([(-4*r[n[0]][0]-r[n[15]][0]+6*(r[n[4]][0]+r[n[1]][0])-2*(r[n[12]][0]+r[n[3]][0])+3*(r[n[13]][0]+r[n[7]][0]))/9,(-4*r[n[0]][1]-r[n[15]][1]+6*(r[n[4]][1]+r[n[1]][1])-2*(r[n[12]][1]+r[n[3]][1])+3*(r[n[13]][1]+r[n[7]][1]))/9]);n[6]=r.length;r.push([(-4*r[n[3]][0]-r[n[12]][0]+6*(r[n[2]][0]+r[n[7]][0])-2*(r[n[0]][0]+r[n[15]][0])+3*(r[n[4]][0]+r[n[14]][0]))/9,(-4*r[n[3]][1]-r[n[12]][1]+6*(r[n[2]][1]+r[n[7]][1])-2*(r[n[0]][1]+r[n[15]][1])+3*(r[n[4]][1]+r[n[14]][1]))/9]);n[9]=r.length;r.push([(-4*r[n[12]][0]-r[n[3]][0]+6*(r[n[8]][0]+r[n[13]][0])-2*(r[n[0]][0]+r[n[15]][0])+3*(r[n[11]][0]+r[n[1]][0]))/9,(-4*r[n[12]][1]-r[n[3]][1]+6*(r[n[8]][1]+r[n[13]][1])-2*(r[n[0]][1]+r[n[15]][1])+3*(r[n[11]][1]+r[n[1]][1]))/9]);n[10]=r.length;r.push([(-4*r[n[15]][0]-r[n[0]][0]+6*(r[n[11]][0]+r[n[14]][0])-2*(r[n[12]][0]+r[n[3]][0])+3*(r[n[2]][0]+r[n[8]][0]))/9,(-4*r[n[15]][1]-r[n[0]][1]+6*(r[n[11]][1]+r[n[14]][1])-2*(r[n[12]][1]+r[n[3]][1])+3*(r[n[2]][1]+r[n[8]][1]))/9]);e.figures.push({type:"patch",coords:new Int32Array(n),colors:new Int32Array(s)})}}(this,y);v=!0;break;case d:!function decodeType7Shading(e,t){for(var r=e.coords,i=e.colors,n=new Int32Array(16),s=new Int32Array(4);t.hasData;){var o,c,l=t.readFlag();if(!(0<=l&&l<=3))throw new a.FormatError("Unknown type7 flag");var h=r.length;for(o=0,c=0!==l?12:16;o<c;o++)r.push(t.readCoordinate());var u,d,f,g,m=i.length;for(o=0,c=0!==l?2:4;o<c;o++)i.push(t.readComponents());switch(l){case 0:n[12]=h+3;n[13]=h+4;n[14]=h+5;n[15]=h+6;n[8]=h+2;n[9]=h+13;n[10]=h+14;n[11]=h+7;n[4]=h+1;n[5]=h+12;n[6]=h+15;n[7]=h+8;n[0]=h;n[1]=h+11;n[2]=h+10;n[3]=h+9;s[2]=m+1;s[3]=m+2;s[0]=m;s[1]=m+3;break;case 1:u=n[12];d=n[13];f=n[14];g=n[15];n[12]=g;n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=f;n[9]=h+9;n[10]=h+10;n[11]=h+3;n[4]=d;n[5]=h+8;n[6]=h+11;n[7]=h+4;n[0]=u;n[1]=h+7;n[2]=h+6;n[3]=h+5;u=s[2];d=s[3];s[2]=d;s[3]=m;s[0]=u;s[1]=m+1;break;case 2:u=n[15];d=n[11];n[12]=n[3];n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=n[7];n[9]=h+9;n[10]=h+10;n[11]=h+3;n[4]=d;n[5]=h+8;n[6]=h+11;n[7]=h+4;n[0]=u;n[1]=h+7;n[2]=h+6;n[3]=h+5;u=s[3];s[2]=s[1];s[3]=m;s[0]=u;s[1]=m+1;break;case 3:n[12]=n[0];n[13]=h+0;n[14]=h+1;n[15]=h+2;n[8]=n[1];n[9]=h+9;n[10]=h+10;n[11]=h+3;n[4]=n[2];n[5]=h+8;n[6]=h+11;n[7]=h+4;n[0]=n[3];n[1]=h+7;n[2]=h+6;n[3]=h+5;s[2]=s[0];s[3]=m;s[0]=s[1];s[1]=m+1}e.figures.push({type:"patch",coords:new Int32Array(n),colors:new Int32Array(s)})}}(this,y);v=!0;break;default:(0,a.unreachable)("Unsupported mesh type.")}if(v){updateBounds(this);for(var k=0,S=this.figures.length;k<S;k++)buildFigureFromPatch(this,k)}updateBounds(this);!function packData(e){var t,r,a,i,n=e.coords,s=new Float32Array(2*n.length);for(t=0,a=0,r=n.length;t<r;t++){var o=n[t];s[a++]=o[0];s[a++]=o[1]}e.coords=s;var c=e.colors,l=new Uint8Array(3*c.length);for(t=0,a=0,r=c.length;t<r;t++){var h=c[t];l[a++]=h[0];l[a++]=h[1];l[a++]=h[2]}e.colors=l;var u=e.figures;for(t=0,r=u.length;t<r;t++){var d=u[t],f=d.coords,g=d.colors;for(a=0,i=f.length;a<i;a++){f[a]*=2;g[a]*=3}}}(this)}Mesh.prototype={getIR:function Mesh_getIR(){return["Mesh",this.shadingType,this.coords,this.colors,this.figures,this.bounds,this.matrix,this.bbox,this.background]}};return Mesh}();g.Dummy=function DummyClosure(){function Dummy(){this.type="Pattern"}Dummy.prototype={getIR:function Dummy_getIR(){return["Dummy"]}};return Dummy}()},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.isPDFFunction=function isPDFFunction(e){var t;if("object"!=typeof e)return!1;if((0,a.isDict)(e))t=e;else{if(!(0,a.isStream)(e))return!1;t=e.dict}return t.has("FunctionType")};t.PostScriptCompiler=t.PostScriptEvaluator=t.PDFFunctionFactory=void 0;var a=r(5),i=r(2),n=r(41),s=r(24);t.PDFFunctionFactory=class PDFFunctionFactory{constructor({xref:e,isEvalSupported:t=!0}){this.xref=e;this.isEvalSupported=!1!==t;this._localFunctionCache=null}create(e){const t=this.getCached(e);if(t)return t;const r=o.parse({xref:this.xref,isEvalSupported:this.isEvalSupported,fn:e instanceof a.Ref?this.xref.fetch(e):e});this._cache(e,r);return r}createFromArray(e){const t=this.getCached(e);if(t)return t;const r=o.parseArray({xref:this.xref,isEvalSupported:this.isEvalSupported,fnObj:e instanceof a.Ref?this.xref.fetch(e):e});this._cache(e,r);return r}getCached(e){let t;e instanceof a.Ref?t=e:e instanceof a.Dict?t=e.objId:(0,a.isStream)(e)&&(t=e.dict&&e.dict.objId);if(t){this._localFunctionCache||(this._localFunctionCache=new s.LocalFunctionCache);const e=this._localFunctionCache.getByRef(t);if(e)return e}return null}_cache(e,t){if(!t)throw new Error('PDFFunctionFactory._cache - expected "parsedFunction" argument.');let r;e instanceof a.Ref?r=e:e instanceof a.Dict?r=e.objId:(0,a.isStream)(e)&&(r=e.dict&&e.dict.objId);if(r){this._localFunctionCache||(this._localFunctionCache=new s.LocalFunctionCache);this._localFunctionCache.set(null,r,t)}}};function toNumberArray(e){if(!Array.isArray(e))return null;const t=e.length;for(let r=0;r<t;r++)if("number"!=typeof e[r]){const r=new Array(t);for(let a=0;a<t;a++)r[a]=+e[a];return r}return e}var o=function PDFFunctionClosure(){return{getSampleArray(e,t,r,a){var i,n,s=1;for(i=0,n=e.length;i<n;i++)s*=e[i];s*=t;var o=new Array(s),c=0,l=0,h=1/(2**r-1),u=a.getBytes((s*r+7)/8),d=0;for(i=0;i<s;i++){for(;c<r;){l<<=8;l|=u[d++];c+=8}c-=r;o[i]=(l>>c)*h;l&=(1<<c)-1}return o},getIR({xref:e,isEvalSupported:t,fn:r}){var a=r.dict;a||(a=r);var n=[this.constructSampled,null,this.constructInterpolated,this.constructStiched,this.constructPostScript][a.get("FunctionType")];if(!n)throw new i.FormatError("Unknown type of function");return n.call(this,{xref:e,isEvalSupported:t,fn:r,dict:a})},fromIR({xref:e,isEvalSupported:t,IR:r}){switch(r[0]){case 0:return this.constructSampledFromIR({xref:e,isEvalSupported:t,IR:r});case 2:return this.constructInterpolatedFromIR({xref:e,isEvalSupported:t,IR:r});case 3:return this.constructStichedFromIR({xref:e,isEvalSupported:t,IR:r});default:return this.constructPostScriptFromIR({xref:e,isEvalSupported:t,IR:r})}},parse({xref:e,isEvalSupported:t,fn:r}){const a=this.getIR({xref:e,isEvalSupported:t,fn:r});return this.fromIR({xref:e,isEvalSupported:t,IR:a})},parseArray({xref:e,isEvalSupported:t,fnObj:r}){if(!Array.isArray(r))return this.parse({xref:e,isEvalSupported:t,fn:r});for(var a=[],i=0,n=r.length;i<n;i++)a.push(this.parse({xref:e,isEvalSupported:t,fn:e.fetchIfRef(r[i])}));return function(e,t,r,i){for(var n=0,s=a.length;n<s;n++)a[n](e,t,r,i+n)}},constructSampled({xref:e,isEvalSupported:t,fn:r,dict:a}){function toMultiArray(e){for(var t=e.length,r=[],a=0,i=0;i<t;i+=2){r[a]=[e[i],e[i+1]];++a}return r}var n=toNumberArray(a.getArray("Domain")),s=toNumberArray(a.getArray("Range"));if(!n||!s)throw new i.FormatError("No domain or range");var o=n.length/2,c=s.length/2;n=toMultiArray(n);s=toMultiArray(s);var l=toNumberArray(a.getArray("Size")),h=a.get("BitsPerSample"),u=a.get("Order")||1;1!==u&&(0,i.info)("No support for cubic spline interpolation: "+u);var d=toNumberArray(a.getArray("Encode"));if(d)d=toMultiArray(d);else{d=[];for(var f=0;f<o;++f)d.push([0,l[f]-1])}var g=toNumberArray(a.getArray("Decode"));return[0,o,n,d,g=g?toMultiArray(g):s,this.getSampleArray(l,c,h,r),l,c,2**h-1,s]},constructSampledFromIR({xref:e,isEvalSupported:t,IR:r}){function interpolate(e,t,r,a,i){return a+(i-a)/(r-t)*(e-t)}return function constructSampledFromIRResult(e,t,a,i){var n,s,o=r[1],c=r[2],l=r[3],h=r[4],u=r[5],d=r[6],f=r[7],g=r[9],m=1<<o,p=new Float64Array(m),b=new Uint32Array(m);for(s=0;s<m;s++)p[s]=1;var y=f,v=1;for(n=0;n<o;++n){var w=c[n][0],k=c[n][1],S=interpolate(Math.min(Math.max(e[t+n],w),k),w,k,l[n][0],l[n][1]),C=d[n],x=(S=Math.min(Math.max(S,0),C-1))<C-1?Math.floor(S):S-1,A=x+1-S,T=S-x,I=x*y,F=I+y;for(s=0;s<m;s++)if(s&v){p[s]*=T;b[s]+=F}else{p[s]*=A;b[s]+=I}y*=C;v<<=1}for(s=0;s<f;++s){var P=0;for(n=0;n<m;n++)P+=u[b[n]+s]*p[n];P=interpolate(P,0,1,h[s][0],h[s][1]);a[i+s]=Math.min(Math.max(P,g[s][0]),g[s][1])}}},constructInterpolated({xref:e,isEvalSupported:t,fn:r,dict:a}){for(var i=toNumberArray(a.getArray("C0"))||[0],n=toNumberArray(a.getArray("C1"))||[1],s=a.get("N"),o=i.length,c=[],l=0;l<o;++l)c.push(n[l]-i[l]);return[2,i,c,s]},constructInterpolatedFromIR({xref:e,isEvalSupported:t,IR:r}){var a=r[1],i=r[2],n=r[3],s=i.length;return function constructInterpolatedFromIRResult(e,t,r,o){for(var c=1===n?e[t]:e[t]**n,l=0;l<s;++l)r[o+l]=a[l]+c*i[l]}},constructStiched({xref:e,isEvalSupported:t,fn:r,dict:a}){var n=toNumberArray(a.getArray("Domain"));if(!n)throw new i.FormatError("No domain");if(1!==n.length/2)throw new i.FormatError("Bad domain for stiched function");for(var s=a.get("Functions"),o=[],c=0,l=s.length;c<l;++c)o.push(this.parse({xref:e,isEvalSupported:t,fn:e.fetchIfRef(s[c])}));return[3,n,toNumberArray(a.getArray("Bounds")),toNumberArray(a.getArray("Encode")),o]},constructStichedFromIR({xref:e,isEvalSupported:t,IR:r}){var a=r[1],i=r[2],n=r[3],s=r[4],o=new Float32Array(1);return function constructStichedFromIRResult(e,t,r,c){for(var l=function constructStichedFromIRClip(e,t,r){e>r?e=r:e<t&&(e=t);return e}(e[t],a[0],a[1]),h=0,u=i.length;h<u&&!(l<i[h]);++h);var d=a[0];h>0&&(d=i[h-1]);var f=a[1];h<i.length&&(f=i[h]);var g=n[2*h],m=n[2*h+1];o[0]=d===f?g:g+(l-d)*(m-g)/(f-d);s[h](o,0,r,c)}},constructPostScript({xref:e,isEvalSupported:t,fn:r,dict:a}){var s=toNumberArray(a.getArray("Domain")),o=toNumberArray(a.getArray("Range"));if(!s)throw new i.FormatError("No domain.");if(!o)throw new i.FormatError("No range.");var c=new n.PostScriptLexer(r);return[4,s,o,new n.PostScriptParser(c).parse()]},constructPostScriptFromIR({xref:e,isEvalSupported:t,IR:r}){var a=r[1],n=r[2],s=r[3];if(t&&i.IsEvalSupportedCached.value){const e=(new h).compile(s,a,n);if(e)return new Function("src","srcOffset","dest","destOffset",e)}(0,i.info)("Unable to compile PS function");var o=n.length>>1,c=a.length>>1,u=new l(s),d=Object.create(null),f=8192,g=new Float32Array(c);return function constructPostScriptFromIRResult(e,t,r,a){var i,s,l="",h=g;for(i=0;i<c;i++){s=e[t+i];h[i]=s;l+=s+"_"}var m=d[l];if(void 0===m){var p=new Float32Array(o),b=u.execute(h),y=b.length-o;for(i=0;i<o;i++){s=b[y+i];var v=n[2*i];(s<v||s>(v=n[2*i+1]))&&(s=v);p[i]=s}if(f>0){f--;d[l]=p}r.set(p,a)}else r.set(m,a)}}}}();var c=function PostScriptStackClosure(){function PostScriptStack(e){this.stack=e?Array.prototype.slice.call(e,0):[]}PostScriptStack.prototype={push:function PostScriptStack_push(e){if(this.stack.length>=100)throw new Error("PostScript function stack overflow.");this.stack.push(e)},pop:function PostScriptStack_pop(){if(this.stack.length<=0)throw new Error("PostScript function stack underflow.");return this.stack.pop()},copy:function PostScriptStack_copy(e){if(this.stack.length+e>=100)throw new Error("PostScript function stack overflow.");for(var t=this.stack,r=t.length-e,a=e-1;a>=0;a--,r++)t.push(t[r])},index:function PostScriptStack_index(e){this.push(this.stack[this.stack.length-e-1])},roll:function PostScriptStack_roll(e,t){var r,a,i,n=this.stack,s=n.length-e,o=n.length-1,c=s+(t-Math.floor(t/e)*e);for(r=s,a=o;r<a;r++,a--){i=n[r];n[r]=n[a];n[a]=i}for(r=s,a=c-1;r<a;r++,a--){i=n[r];n[r]=n[a];n[a]=i}for(r=c,a=o;r<a;r++,a--){i=n[r];n[r]=n[a];n[a]=i}}};return PostScriptStack}(),l=function PostScriptEvaluatorClosure(){function PostScriptEvaluator(e){this.operators=e}PostScriptEvaluator.prototype={execute:function PostScriptEvaluator_execute(e){for(var t,r,a,n=new c(e),s=0,o=this.operators,l=o.length;s<l;)if("number"!=typeof(t=o[s++]))switch(t){case"jz":a=n.pop();(r=n.pop())||(s=a);break;case"j":s=r=n.pop();break;case"abs":r=n.pop();n.push(Math.abs(r));break;case"add":a=n.pop();r=n.pop();n.push(r+a);break;case"and":a=n.pop();r=n.pop();(0,i.isBool)(r)&&(0,i.isBool)(a)?n.push(r&&a):n.push(r&a);break;case"atan":r=n.pop();n.push(Math.atan(r));break;case"bitshift":a=n.pop();(r=n.pop())>0?n.push(r<<a):n.push(r>>a);break;case"ceiling":r=n.pop();n.push(Math.ceil(r));break;case"copy":r=n.pop();n.copy(r);break;case"cos":r=n.pop();n.push(Math.cos(r));break;case"cvi":r=0|n.pop();n.push(r);break;case"cvr":break;case"div":a=n.pop();r=n.pop();n.push(r/a);break;case"dup":n.copy(1);break;case"eq":a=n.pop();r=n.pop();n.push(r===a);break;case"exch":n.roll(2,1);break;case"exp":a=n.pop();r=n.pop();n.push(r**a);break;case"false":n.push(!1);break;case"floor":r=n.pop();n.push(Math.floor(r));break;case"ge":a=n.pop();r=n.pop();n.push(r>=a);break;case"gt":a=n.pop();r=n.pop();n.push(r>a);break;case"idiv":a=n.pop();r=n.pop();n.push(r/a|0);break;case"index":r=n.pop();n.index(r);break;case"le":a=n.pop();r=n.pop();n.push(r<=a);break;case"ln":r=n.pop();n.push(Math.log(r));break;case"log":r=n.pop();n.push(Math.log(r)/Math.LN10);break;case"lt":a=n.pop();r=n.pop();n.push(r<a);break;case"mod":a=n.pop();r=n.pop();n.push(r%a);break;case"mul":a=n.pop();r=n.pop();n.push(r*a);break;case"ne":a=n.pop();r=n.pop();n.push(r!==a);break;case"neg":r=n.pop();n.push(-r);break;case"not":r=n.pop();(0,i.isBool)(r)?n.push(!r):n.push(~r);break;case"or":a=n.pop();r=n.pop();(0,i.isBool)(r)&&(0,i.isBool)(a)?n.push(r||a):n.push(r|a);break;case"pop":n.pop();break;case"roll":a=n.pop();r=n.pop();n.roll(r,a);break;case"round":r=n.pop();n.push(Math.round(r));break;case"sin":r=n.pop();n.push(Math.sin(r));break;case"sqrt":r=n.pop();n.push(Math.sqrt(r));break;case"sub":a=n.pop();r=n.pop();n.push(r-a);break;case"true":n.push(!0);break;case"truncate":r=(r=n.pop())<0?Math.ceil(r):Math.floor(r);n.push(r);break;case"xor":a=n.pop();r=n.pop();(0,i.isBool)(r)&&(0,i.isBool)(a)?n.push(r!==a):n.push(r^a);break;default:throw new i.FormatError("Unknown operator "+t)}else n.push(t);return n.stack}};return PostScriptEvaluator}();t.PostScriptEvaluator=l;var h=function PostScriptCompilerClosure(){function AstNode(e){this.type=e}AstNode.prototype.visit=function(e){(0,i.unreachable)("abstract method")};function AstArgument(e,t,r){AstNode.call(this,"args");this.index=e;this.min=t;this.max=r}AstArgument.prototype=Object.create(AstNode.prototype);AstArgument.prototype.visit=function(e){e.visitArgument(this)};function AstLiteral(e){AstNode.call(this,"literal");this.number=e;this.min=e;this.max=e}AstLiteral.prototype=Object.create(AstNode.prototype);AstLiteral.prototype.visit=function(e){e.visitLiteral(this)};function AstBinaryOperation(e,t,r,a,i){AstNode.call(this,"binary");this.op=e;this.arg1=t;this.arg2=r;this.min=a;this.max=i}AstBinaryOperation.prototype=Object.create(AstNode.prototype);AstBinaryOperation.prototype.visit=function(e){e.visitBinaryOperation(this)};function AstMin(e,t){AstNode.call(this,"max");this.arg=e;this.min=e.min;this.max=t}AstMin.prototype=Object.create(AstNode.prototype);AstMin.prototype.visit=function(e){e.visitMin(this)};function AstVariable(e,t,r){AstNode.call(this,"var");this.index=e;this.min=t;this.max=r}AstVariable.prototype=Object.create(AstNode.prototype);AstVariable.prototype.visit=function(e){e.visitVariable(this)};function AstVariableDefinition(e,t){AstNode.call(this,"definition");this.variable=e;this.arg=t}AstVariableDefinition.prototype=Object.create(AstNode.prototype);AstVariableDefinition.prototype.visit=function(e){e.visitVariableDefinition(this)};function ExpressionBuilderVisitor(){this.parts=[]}ExpressionBuilderVisitor.prototype={visitArgument(e){this.parts.push("Math.max(",e.min,", Math.min(",e.max,", src[srcOffset + ",e.index,"]))")},visitVariable(e){this.parts.push("v",e.index)},visitLiteral(e){this.parts.push(e.number)},visitBinaryOperation(e){this.parts.push("(");e.arg1.visit(this);this.parts.push(" ",e.op," ");e.arg2.visit(this);this.parts.push(")")},visitVariableDefinition(e){this.parts.push("var ");e.variable.visit(this);this.parts.push(" = ");e.arg.visit(this);this.parts.push(";")},visitMin(e){this.parts.push("Math.min(");e.arg.visit(this);this.parts.push(", ",e.max,")")},toString(){return this.parts.join("")}};function buildAddOperation(e,t){return"literal"===t.type&&0===t.number?e:"literal"===e.type&&0===e.number?t:"literal"===t.type&&"literal"===e.type?new AstLiteral(e.number+t.number):new AstBinaryOperation("+",e,t,e.min+t.min,e.max+t.max)}function buildMulOperation(e,t){if("literal"===t.type){if(0===t.number)return new AstLiteral(0);if(1===t.number)return e;if("literal"===e.type)return new AstLiteral(e.number*t.number)}if("literal"===e.type){if(0===e.number)return new AstLiteral(0);if(1===e.number)return t}return new AstBinaryOperation("*",e,t,Math.min(e.min*t.min,e.min*t.max,e.max*t.min,e.max*t.max),Math.max(e.min*t.min,e.min*t.max,e.max*t.min,e.max*t.max))}function buildSubOperation(e,t){if("literal"===t.type){if(0===t.number)return e;if("literal"===e.type)return new AstLiteral(e.number-t.number)}return"binary"===t.type&&"-"===t.op&&"literal"===e.type&&1===e.number&&"literal"===t.arg1.type&&1===t.arg1.number?t.arg2:new AstBinaryOperation("-",e,t,e.min-t.max,e.max-t.min)}function buildMinOperation(e,t){return e.min>=t?new AstLiteral(t):e.max<=t?e:new AstMin(e,t)}function PostScriptCompiler(){}PostScriptCompiler.prototype={compile:function PostScriptCompiler_compile(e,t,r){var a,i,n,s,o,c,l,h,u=[],d=[],f=t.length>>1,g=r.length>>1,m=0;for(let e=0;e<f;e++)u.push(new AstArgument(e,t[2*e],t[2*e+1]));for(let t=0,r=e.length;t<r;t++)if("number"!=typeof(h=e[t]))switch(h){case"add":if(u.length<2)return null;s=u.pop();n=u.pop();u.push(buildAddOperation(n,s));break;case"cvr":if(u.length<1)return null;break;case"mul":if(u.length<2)return null;s=u.pop();n=u.pop();u.push(buildMulOperation(n,s));break;case"sub":if(u.length<2)return null;s=u.pop();n=u.pop();u.push(buildSubOperation(n,s));break;case"exch":if(u.length<2)return null;o=u.pop();c=u.pop();u.push(o,c);break;case"pop":if(u.length<1)return null;u.pop();break;case"index":if(u.length<1)return null;if("literal"!==(n=u.pop()).type)return null;if((a=n.number)<0||!Number.isInteger(a)||u.length<a)return null;if("literal"===(o=u[u.length-a-1]).type||"var"===o.type){u.push(o);break}l=new AstVariable(m++,o.min,o.max);u[u.length-a-1]=l;u.push(l);d.push(new AstVariableDefinition(l,o));break;case"dup":if(u.length<1)return null;if("number"==typeof e[t+1]&&"gt"===e[t+2]&&e[t+3]===t+7&&"jz"===e[t+4]&&"pop"===e[t+5]&&e[t+6]===e[t+1]){n=u.pop();u.push(buildMinOperation(n,e[t+1]));t+=6;break}if("literal"===(o=u[u.length-1]).type||"var"===o.type){u.push(o);break}l=new AstVariable(m++,o.min,o.max);u[u.length-1]=l;u.push(l);d.push(new AstVariableDefinition(l,o));break;case"roll":if(u.length<2)return null;s=u.pop();n=u.pop();if("literal"!==s.type||"literal"!==n.type)return null;i=s.number;if((a=n.number)<=0||!Number.isInteger(a)||!Number.isInteger(i)||u.length<a)return null;if(0===(i=(i%a+a)%a))break;Array.prototype.push.apply(u,u.splice(u.length-a,a-i));break;default:return null}else u.push(new AstLiteral(h));if(u.length!==g)return null;var p=[];d.forEach((function(e){var t=new ExpressionBuilderVisitor;e.visit(t);p.push(t.toString())}));u.forEach((function(e,t){var a=new ExpressionBuilderVisitor;e.visit(a);var i=r[2*t],n=r[2*t+1],s=[a.toString()];if(i>e.min){s.unshift("Math.max(",i,", ");s.push(")")}if(n<e.max){s.unshift("Math.min(",n,", ");s.push(")")}s.unshift("dest[destOffset + ",t,"] = ");s.push(";");p.push(s.join(""))}));return p.join("\n")}};return PostScriptCompiler}();t.PostScriptCompiler=h},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PostScriptParser=t.PostScriptLexer=void 0;var a=r(2),i=r(5),n=r(8);t.PostScriptParser=class 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e=570;e.exclamdown=389;e.cent=500;e.sterling=500;e.fraction=167;e.yen=500;e.florin=500;e.section=500;e.currency=500;e.quotesingle=278;e.quotedblleft=500;e.guillemotleft=500;e.guilsinglleft=333;e.guilsinglright=333;e.fi=556;e.fl=556;e.endash=500;e.dagger=500;e.daggerdbl=500;e.periodcentered=250;e.paragraph=500;e.bullet=350;e.quotesinglbase=333;e.quotedblbase=500;e.quotedblright=500;e.guillemotright=500;e.ellipsis=1e3;e.perthousand=1e3;e.questiondown=500;e.grave=333;e.acute=333;e.circumflex=333;e.tilde=333;e.macron=333;e.breve=333;e.dotaccent=333;e.dieresis=333;e.ring=333;e.cedilla=333;e.hungarumlaut=333;e.ogonek=333;e.caron=333;e.emdash=1e3;e.AE=944;e.ordfeminine=266;e.Lslash=611;e.Oslash=722;e.OE=944;e.ordmasculine=300;e.ae=722;e.dotlessi=278;e.lslash=278;e.oslash=500;e.oe=722;e.germandbls=500;e.Idieresis=389;e.eacute=444;e.abreve=500;e.uhungarumlaut=556;e.ecaron=444;e.Ydieresis=611;e.divide=570;e.Yacute=611;e.Acircumflex=667;e.aacute=500;e.Ucircumflex=722;e.yacute=444;e.scommaaccent=389;e.ecircumflex=444;e.Uring=722;e.Udieresis=722;e.aogonek=500;e.Uacute=722;e.uogonek=556;e.Edieresis=667;e.Dcroat=722;e.commaaccent=250;e.copyright=747;e.Emacron=667;e.ccaron=444;e.aring=500;e.Ncommaaccent=722;e.lacute=278;e.agrave=500;e.Tcommaaccent=611;e.Cacute=667;e.atilde=500;e.Edotaccent=667;e.scaron=389;e.scedilla=389;e.iacute=278;e.lozenge=494;e.Rcaron=667;e.Gcommaaccent=722;e.ucircumflex=556;e.acircumflex=500;e.Amacron=667;e.rcaron=389;e.ccedilla=444;e.Zdotaccent=611;e.Thorn=611;e.Omacron=722;e.Racute=667;e.Sacute=556;e.dcaron=608;e.Umacron=722;e.uring=556;e.threesuperior=300;e.Ograve=722;e.Agrave=667;e.Abreve=667;e.multiply=570;e.uacute=556;e.Tcaron=611;e.partialdiff=494;e.ydieresis=444;e.Nacute=722;e.icircumflex=278;e.Ecircumflex=667;e.adieresis=500;e.edieresis=444;e.cacute=444;e.nacute=556;e.umacron=556;e.Ncaron=722;e.Iacute=389;e.plusminus=570;e.brokenbar=220;e.registered=747;e.Gbreve=722;e.Idotaccent=389;e.summation=600;e.Egrave=667;e.racute=389;e.omacron=500;e.Zacute=611;e.Zcaron=611;e.greaterequal=549;e.Eth=722;e.Ccedilla=667;e.lcommaaccent=278;e.tcaron=366;e.eogonek=444;e.Uogonek=722;e.Aacute=667;e.Adieresis=667;e.egrave=444;e.zacute=389;e.iogonek=278;e.Oacute=722;e.oacute=500;e.amacron=500;e.sacute=389;e.idieresis=278;e.Ocircumflex=722;e.Ugrave=722;e.Delta=612;e.thorn=500;e.twosuperior=300;e.Odieresis=722;e.mu=576;e.igrave=278;e.ohungarumlaut=500;e.Eogonek=667;e.dcroat=500;e.threequarters=750;e.Scedilla=556;e.lcaron=382;e.Kcommaaccent=667;e.Lacute=611;e.trademark=1e3;e.edotaccent=444;e.Igrave=389;e.Imacron=389;e.Lcaron=611;e.onehalf=750;e.lessequal=549;e.ocircumflex=500;e.ntilde=556;e.Uhungarumlaut=722;e.Eacute=667;e.emacron=444;e.gbreve=500;e.onequarter=750;e.Scaron=556;e.Scommaaccent=556;e.Ohungarumlaut=722;e.degree=400;e.ograve=500;e.Ccaron=667;e.ugrave=556;e.radical=549;e.Dcaron=722;e.rcommaaccent=389;e.Ntilde=722;e.otilde=500;e.Rcommaaccent=667;e.Lcommaaccent=611;e.Atilde=667;e.Aogonek=667;e.Aring=667;e.Otilde=722;e.zdotaccent=389;e.Ecaron=667;e.Iogonek=389;e.kcommaaccent=500;e.minus=606;e.Icircumflex=389;e.ncaron=556;e.tcommaaccent=278;e.logicalnot=606;e.odieresis=500;e.udieresis=556;e.notequal=549;e.gcommaaccent=500;e.eth=500;e.zcaron=389;e.ncommaaccent=556;e.onesuperior=300;e.imacron=278;e.Euro=500}));e["Times-Italic"]=(0,a.getLookupTableFactory)((function(e){e.space=250;e.exclam=333;e.quotedbl=420;e.numbersign=500;e.dollar=500;e.percent=833;e.ampersand=778;e.quoteright=333;e.parenleft=333;e.parenright=333;e.asterisk=500;e.plus=675;e.comma=250;e.hyphen=333;e.period=250;e.slash=278;e.zero=500;e.one=500;e.two=500;e.three=500;e.four=500;e.five=500;e.six=500;e.seven=500;e.eight=500;e.nine=500;e.colon=333;e.semicolon=333;e.less=675;e.equal=675;e.greater=675;e.question=500;e.at=920;e.A=611;e.B=611;e.C=667;e.D=722;e.E=611;e.F=611;e.G=722;e.H=722;e.I=333;e.J=444;e.K=667;e.L=556;e.M=833;e.N=667;e.O=722;e.P=611;e.Q=722;e.R=611;e.S=500;e.T=556;e.U=722;e.V=611;e.W=833;e.X=611;e.Y=556;e.Z=556;e.bracketleft=389;e.backslash=278;e.bracketright=389;e.asciicircum=422;e.underscore=500;e.quoteleft=333;e.a=500;e.b=500;e.c=444;e.d=500;e.e=444;e.f=278;e.g=500;e.h=500;e.i=278;e.j=278;e.k=444;e.l=278;e.m=722;e.n=500;e.o=500;e.p=500;e.q=500;e.r=389;e.s=389;e.t=278;e.u=500;e.v=444;e.w=667;e.x=444;e.y=444;e.z=389;e.braceleft=400;e.bar=275;e.braceright=400;e.asciitilde=541;e.exclamdown=389;e.cent=500;e.sterling=500;e.fraction=167;e.yen=500;e.florin=500;e.section=500;e.currency=500;e.quotesingle=214;e.quotedblleft=556;e.guillemotleft=500;e.guilsinglleft=333;e.guilsinglright=333;e.fi=500;e.fl=500;e.endash=500;e.dagger=500;e.daggerdbl=500;e.periodcentered=250;e.paragraph=523;e.bullet=350;e.quotesinglbase=333;e.quotedblbase=556;e.quotedblright=556;e.guillemotright=500;e.ellipsis=889;e.perthousand=1e3;e.questiondown=500;e.grave=333;e.acute=333;e.circumflex=333;e.tilde=333;e.macron=333;e.breve=333;e.dotaccent=333;e.dieresis=333;e.ring=333;e.cedilla=333;e.hungarumlaut=333;e.ogonek=333;e.caron=333;e.emdash=889;e.AE=889;e.ordfeminine=276;e.Lslash=556;e.Oslash=722;e.OE=944;e.ordmasculine=310;e.ae=667;e.dotlessi=278;e.lslash=278;e.oslash=500;e.oe=667;e.germandbls=500;e.Idieresis=333;e.eacute=444;e.abreve=500;e.uhungarumlaut=500;e.ecaron=444;e.Ydieresis=556;e.divide=675;e.Yacute=556;e.Acircumflex=611;e.aacute=500;e.Ucircumflex=722;e.yacute=444;e.scommaaccent=389;e.ecircumflex=444;e.Uring=722;e.Udieresis=722;e.aogonek=500;e.Uacute=722;e.uogonek=500;e.Edieresis=611;e.Dcroat=722;e.commaaccent=250;e.copyright=760;e.Emacron=611;e.ccaron=444;e.aring=500;e.Ncommaaccent=667;e.lacute=278;e.agrave=500;e.Tcommaaccent=556;e.Cacute=667;e.atilde=500;e.Edotaccent=611;e.scaron=389;e.scedilla=389;e.iacute=278;e.lozenge=471;e.Rcaron=611;e.Gcommaaccent=722;e.ucircumflex=500;e.acircumflex=500;e.Amacron=611;e.rcaron=389;e.ccedilla=444;e.Zdotaccent=556;e.Thorn=611;e.Omacron=722;e.Racute=611;e.Sacute=500;e.dcaron=544;e.Umacron=722;e.uring=500;e.threesuperior=300;e.Ograve=722;e.Agrave=611;e.Abreve=611;e.multiply=675;e.uacute=500;e.Tcaron=556;e.partialdiff=476;e.ydieresis=444;e.Nacute=667;e.icircumflex=278;e.Ecircumflex=611;e.adieresis=500;e.edieresis=444;e.cacute=444;e.nacute=500;e.umacron=500;e.Ncaron=667;e.Iacute=333;e.plusminus=675;e.brokenbar=275;e.registered=760;e.Gbreve=722;e.Idotaccent=333;e.summation=600;e.Egrave=611;e.racute=389;e.omacron=500;e.Zacute=556;e.Zcaron=556;e.greaterequal=549;e.Eth=722;e.Ccedilla=667;e.lcommaaccent=278;e.tcaron=300;e.eogonek=444;e.Uogonek=722;e.Aacute=611;e.Adieresis=611;e.egrave=444;e.zacute=389;e.iogonek=278;e.Oacute=722;e.oacute=500;e.amacron=500;e.sacute=389;e.idieresis=278;e.Ocircumflex=722;e.Ugrave=722;e.Delta=612;e.thorn=500;e.twosuperior=300;e.Odieresis=722;e.mu=500;e.igrave=278;e.ohungarumlaut=500;e.Eogonek=611;e.dcroat=500;e.threequarters=750;e.Scedilla=500;e.lcaron=300;e.Kcommaaccent=667;e.Lacute=556;e.trademark=980;e.edotaccent=444;e.Igrave=333;e.Imacron=333;e.Lcaron=611;e.onehalf=750;e.lessequal=549;e.ocircumflex=500;e.ntilde=500;e.Uhungarumlaut=722;e.Eacute=611;e.emacron=444;e.gbreve=500;e.onequarter=750;e.Scaron=500;e.Scommaaccent=500;e.Ohungarumlaut=722;e.degree=400;e.ograve=500;e.Ccaron=667;e.ugrave=500;e.radical=453;e.Dcaron=722;e.rcommaaccent=389;e.Ntilde=667;e.otilde=500;e.Rcommaaccent=611;e.Lcommaaccent=556;e.Atilde=611;e.Aogonek=611;e.Aring=611;e.Otilde=722;e.zdotaccent=389;e.Ecaron=611;e.Iogonek=333;e.kcommaaccent=444;e.minus=675;e.Icircumflex=333;e.ncaron=500;e.tcommaaccent=278;e.logicalnot=675;e.odieresis=500;e.udieresis=500;e.notequal=549;e.gcommaaccent=500;e.eth=500;e.zcaron=389;e.ncommaaccent=500;e.onesuperior=300;e.imacron=278;e.Euro=500}));e.ZapfDingbats=(0,a.getLookupTableFactory)((function(e){e.space=278;e.a1=974;e.a2=961;e.a202=974;e.a3=980;e.a4=719;e.a5=789;e.a119=790;e.a118=791;e.a117=690;e.a11=960;e.a12=939;e.a13=549;e.a14=855;e.a15=911;e.a16=933;e.a105=911;e.a17=945;e.a18=974;e.a19=755;e.a20=846;e.a21=762;e.a22=761;e.a23=571;e.a24=677;e.a25=763;e.a26=760;e.a27=759;e.a28=754;e.a6=494;e.a7=552;e.a8=537;e.a9=577;e.a10=692;e.a29=786;e.a30=788;e.a31=788;e.a32=790;e.a33=793;e.a34=794;e.a35=816;e.a36=823;e.a37=789;e.a38=841;e.a39=823;e.a40=833;e.a41=816;e.a42=831;e.a43=923;e.a44=744;e.a45=723;e.a46=749;e.a47=790;e.a48=792;e.a49=695;e.a50=776;e.a51=768;e.a52=792;e.a53=759;e.a54=707;e.a55=708;e.a56=682;e.a57=701;e.a58=826;e.a59=815;e.a60=789;e.a61=789;e.a62=707;e.a63=687;e.a64=696;e.a65=689;e.a66=786;e.a67=787;e.a68=713;e.a69=791;e.a70=785;e.a71=791;e.a72=873;e.a73=761;e.a74=762;e.a203=762;e.a75=759;e.a204=759;e.a76=892;e.a77=892;e.a78=788;e.a79=784;e.a81=438;e.a82=138;e.a83=277;e.a84=415;e.a97=392;e.a98=392;e.a99=668;e.a100=668;e.a89=390;e.a90=390;e.a93=317;e.a94=317;e.a91=276;e.a92=276;e.a205=509;e.a85=509;e.a206=410;e.a86=410;e.a87=234;e.a88=234;e.a95=334;e.a96=334;e.a101=732;e.a102=544;e.a103=544;e.a104=910;e.a106=667;e.a107=760;e.a108=760;e.a112=776;e.a111=595;e.a110=694;e.a109=626;e.a120=788;e.a121=788;e.a122=788;e.a123=788;e.a124=788;e.a125=788;e.a126=788;e.a127=788;e.a128=788;e.a129=788;e.a130=788;e.a131=788;e.a132=788;e.a133=788;e.a134=788;e.a135=788;e.a136=788;e.a137=788;e.a138=788;e.a139=788;e.a140=788;e.a141=788;e.a142=788;e.a143=788;e.a144=788;e.a145=788;e.a146=788;e.a147=788;e.a148=788;e.a149=788;e.a150=788;e.a151=788;e.a152=788;e.a153=788;e.a154=788;e.a155=788;e.a156=788;e.a157=788;e.a158=788;e.a159=788;e.a160=894;e.a161=838;e.a163=1016;e.a164=458;e.a196=748;e.a165=924;e.a192=748;e.a166=918;e.a167=927;e.a168=928;e.a169=928;e.a170=834;e.a171=873;e.a172=828;e.a173=924;e.a162=924;e.a174=917;e.a175=930;e.a176=931;e.a177=463;e.a178=883;e.a179=836;e.a193=836;e.a180=867;e.a199=867;e.a181=696;e.a200=696;e.a182=874;e.a201=874;e.a183=760;e.a184=946;e.a197=771;e.a185=865;e.a194=771;e.a198=888;e.a186=967;e.a195=888;e.a187=831;e.a188=873;e.a189=927;e.a190=970;e.a191=918}))}));t.getMetrics=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.MurmurHash3_64=void 0;var a=r(2);t.MurmurHash3_64=class MurmurHash3_64{constructor(e){this.h1=e?4294967295&e:3285377520;this.h2=e?4294967295&e:3285377520}update(e){let t,r;if((0,a.isString)(e)){t=new Uint8Array(2*e.length);r=0;for(let a=0,i=e.length;a<i;a++){const i=e.charCodeAt(a);if(i<=255)t[r++]=i;else{t[r++]=i>>>8;t[r++]=255&i}}}else{if(!(0,a.isArrayBuffer)(e))throw new Error("Wrong data format in MurmurHash3_64_update. Input must be a string or array.");t=e;r=t.byteLength}const i=r>>2,n=r-4*i,s=new Uint32Array(t.buffer,0,i);let o=0,c=0,l=this.h1,h=this.h2;const u=3432918353,d=461845907;for(let e=0;e<i;e++)if(1&e){o=s[e];o=o*u&4294901760|11601*o&65535;o=o<<15|o>>>17;o=o*d&4294901760|13715*o&65535;l^=o;l=l<<13|l>>>19;l=5*l+3864292196}else{c=s[e];c=c*u&4294901760|11601*c&65535;c=c<<15|c>>>17;c=c*d&4294901760|13715*c&65535;h^=c;h=h<<13|h>>>19;h=5*h+3864292196}o=0;switch(n){case 3:o^=t[4*i+2]<<16;case 2:o^=t[4*i+1]<<8;case 1:o^=t[4*i];o=o*u&4294901760|11601*o&65535;o=o<<15|o>>>17;o=o*d&4294901760|13715*o&65535;1&i?l^=o:h^=o}this.h1=l;this.h2=h}hexdigest(){let e=this.h1,t=this.h2;e^=t>>>1;e=3981806797*e&4294901760|36045*e&65535;t=4283543511*t&4294901760|(2950163797*(t<<16|e>>>16)&4294901760)>>>16;e^=t>>>1;e=444984403*e&4294901760|60499*e&65535;t=3301882366*t&4294901760|(3120437893*(t<<16|e>>>16)&4294901760)>>>16;e^=t>>>1;const r=(e>>>0).toString(16),a=(t>>>0).toString(16);return r.padStart(8,"0")+a.padStart(8,"0")}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFImage=void 0;var a=r(2),i=r(5),n=r(23),s=r(12),o=r(18),c=r(21);function decodeAndClamp(e,t,r,a){(e=t+e*r)<0?e=0:e>a&&(e=a);return e}function resizeImageMask(e,t,r,a,i,n){var s=i*n;let o;o=t<=8?new Uint8Array(s):t<=16?new Uint16Array(s):new Uint32Array(s);var c,l,h,u,d=r/i,f=a/n,g=0,m=new Uint16Array(i),p=r;for(c=0;c<i;c++)m[c]=Math.floor(c*d);for(c=0;c<n;c++){h=Math.floor(c*f)*p;for(l=0;l<i;l++){u=h+m[l];o[g++]=e[u]}}return o}class PDFImage{constructor({xref:e,res:t,image:r,isInline:s=!1,smask:o=null,mask:l=null,isMask:h=!1,pdfFunctionFactory:u,localColorSpaceCache:d}){this.image=r;var f=r.dict;const g=f.get("Filter");if((0,i.isName)(g))switch(g.name){case"JPXDecode":var m=new c.JpxImage;m.parseImageProperties(r.stream);r.stream.reset();r.width=m.width;r.height=m.height;r.bitsPerComponent=m.bitsPerComponent;r.numComps=m.componentsCount;break;case"JBIG2Decode":r.bitsPerComponent=1;r.numComps=1}let p=f.get("Width","W"),b=f.get("Height","H");if(Number.isInteger(r.width)&&r.width>0&&Number.isInteger(r.height)&&r.height>0&&(r.width!==p||r.height!==b)){(0,a.warn)("PDFImage - using the Width/Height of the image data, rather than the image dictionary.");p=r.width;b=r.height}if(p<1||b<1)throw new a.FormatError(`Invalid image width: ${p} or height: ${b}`);this.width=p;this.height=b;this.interpolate=f.get("Interpolate","I")||!1;this.imageMask=f.get("ImageMask","IM")||!1;this.matte=f.get("Matte")||!1;var y=r.bitsPerComponent;if(!y&&!(y=f.get("BitsPerComponent","BPC"))){if(!this.imageMask)throw new a.FormatError("Bits per component missing in image: "+this.imageMask);y=1}this.bpc=y;if(!this.imageMask){let o=f.getRaw("ColorSpace")||f.getRaw("CS");if(!o){(0,a.info)("JPX images (which do not require color spaces)");switch(r.numComps){case 1:o=i.Name.get("DeviceGray");break;case 3:o=i.Name.get("DeviceRGB");break;case 4:o=i.Name.get("DeviceCMYK");break;default:throw new Error(`JPX images with ${r.numComps} color components not supported.`)}}this.colorSpace=n.ColorSpace.parse({cs:o,xref:e,resources:s?t:null,pdfFunctionFactory:u,localColorSpaceCache:d});this.numComps=this.colorSpace.numComps}this.decode=f.getArray("Decode","D");this.needsDecode=!1;if(this.decode&&(this.colorSpace&&!this.colorSpace.isDefaultDecode(this.decode,y)||h&&!n.ColorSpace.isDefaultDecode(this.decode,1))){this.needsDecode=!0;var v=(1<<y)-1;this.decodeCoefficients=[];this.decodeAddends=[];const e=this.colorSpace&&"Indexed"===this.colorSpace.name;for(var w=0,k=0;w<this.decode.length;w+=2,++k){var S=this.decode[w],C=this.decode[w+1];this.decodeCoefficients[k]=e?(C-S)/v:C-S;this.decodeAddends[k]=e?S:v*S}}if(o)this.smask=new PDFImage({xref:e,res:t,image:o,isInline:s,pdfFunctionFactory:u,localColorSpaceCache:d});else if(l)if((0,i.isStream)(l)){l.dict.get("ImageMask","IM")?this.mask=new PDFImage({xref:e,res:t,image:l,isInline:s,isMask:!0,pdfFunctionFactory:u,localColorSpaceCache:d}):(0,a.warn)("Ignoring /Mask in image without /ImageMask.")}else this.mask=l}static async buildImage({xref:e,res:t,image:r,isInline:n=!1,pdfFunctionFactory:s,localColorSpaceCache:o}){const c=r;let l=null,h=null;const u=r.dict.get("SMask"),d=r.dict.get("Mask");u?l=u:d&&((0,i.isStream)(d)||Array.isArray(d)?h=d:(0,a.warn)("Unsupported mask format."));return new PDFImage({xref:e,res:t,image:c,isInline:n,smask:l,mask:h,pdfFunctionFactory:s,localColorSpaceCache:o})}static createMask({imgArray:e,width:t,height:r,imageIsFromDecodeStream:a,inverseDecode:i}){var n,s,o=(t+7>>3)*r,c=e.byteLength;if(!a||i&&!(o===c))if(i){(n=new Uint8ClampedArray(o)).set(e);for(s=c;s<o;s++)n[s]=255}else(n=new Uint8ClampedArray(c)).set(e);else n=e;if(i)for(s=0;s<c;s++)n[s]^=255;return{data:n,width:t,height:r}}get drawWidth(){return Math.max(this.width,this.smask&&this.smask.width||0,this.mask&&this.mask.width||0)}get drawHeight(){return Math.max(this.height,this.smask&&this.smask.height||0,this.mask&&this.mask.height||0)}decodeBuffer(e){var t,r,a=this.bpc,i=this.numComps,n=this.decodeAddends,s=this.decodeCoefficients,o=(1<<a)-1;if(1!==a){var c=0;for(t=0,r=this.width*this.height;t<r;t++)for(var l=0;l<i;l++){e[c]=decodeAndClamp(e[c],n[l],s[l],o);c++}}else for(t=0,r=e.length;t<r;t++)e[t]=+!e[t]}getComponents(e){var t=this.bpc;if(8===t)return e;var r=this.width,a=this.height,i=this.numComps,n=r*a*i,s=0;let o;o=t<=8?new Uint8Array(n):t<=16?new Uint16Array(n):new Uint32Array(n);var c,l,h=r*i,u=(1<<t)-1,d=0;if(1===t)for(var f,g,m,p=0;p<a;p++){g=d+(-8&h);m=d+h;for(;d<g;){l=e[s++];o[d]=l>>7&1;o[d+1]=l>>6&1;o[d+2]=l>>5&1;o[d+3]=l>>4&1;o[d+4]=l>>3&1;o[d+5]=l>>2&1;o[d+6]=l>>1&1;o[d+7]=1&l;d+=8}if(d<m){l=e[s++];f=128;for(;d<m;){o[d++]=+!!(l&f);f>>=1}}}else{var b=0;l=0;for(d=0,c=n;d<c;++d){if(d%h==0){l=0;b=0}for(;b<t;){l=l<<8|e[s++];b+=8}var y=b-t;let r=l>>y;r<0?r=0:r>u&&(r=u);o[d]=r;l&=(1<<y)-1;b=y}}return o}fillOpacity(e,t,r,i,n){var s,o,c,l,h,u,d=this.smask,f=this.mask;if(d){o=d.width;c=d.height;s=new Uint8ClampedArray(o*c);d.fillGrayBuffer(s);o===t&&c===r||(s=resizeImageMask(s,d.bpc,o,c,t,r))}else if(f)if(f instanceof PDFImage){o=f.width;c=f.height;s=new Uint8ClampedArray(o*c);f.numComps=1;f.fillGrayBuffer(s);for(l=0,h=o*c;l<h;++l)s[l]=255-s[l];o===t&&c===r||(s=resizeImageMask(s,f.bpc,o,c,t,r))}else{if(!Array.isArray(f))throw new a.FormatError("Unknown mask format.");s=new Uint8ClampedArray(t*r);var g=this.numComps;for(l=0,h=t*r;l<h;++l){var m=0,p=l*g;for(u=0;u<g;++u){var b=n[p+u],y=2*u;if(b<f[y]||b>f[y+1]){m=255;break}}s[l]=m}}if(s)for(l=0,u=3,h=t*i;l<h;++l,u+=4)e[u]=s[l];else for(l=0,u=3,h=t*i;l<h;++l,u+=4)e[u]=255}undoPreblend(e,t,r){var a=this.smask&&this.smask.matte;if(a)for(var i=this.colorSpace.getRgb(a,0),n=i[0],s=i[1],o=i[2],c=t*r*4,l=0;l<c;l+=4){var h=e[l+3];if(0!==h){var u=255/h;e[l]=(e[l]-n)*u+n;e[l+1]=(e[l+1]-s)*u+s;e[l+2]=(e[l+2]-o)*u+o}else{e[l]=255;e[l+1]=255;e[l+2]=255}}}createImageData(e=!1){var t,r=this.drawWidth,i=this.drawHeight,n={width:r,height:i,kind:0,data:null},c=this.numComps,l=this.width,h=this.height,u=this.bpc,d=l*c*u+7>>3;if(!e){var f;"DeviceGray"===this.colorSpace.name&&1===u?f=a.ImageKind.GRAYSCALE_1BPP:"DeviceRGB"!==this.colorSpace.name||8!==u||this.needsDecode||(f=a.ImageKind.RGB_24BPP);if(f&&!this.smask&&!this.mask&&r===l&&i===h){n.kind=f;t=this.getImageBytes(h*d);if(this.image instanceof s.DecodeStream)n.data=t;else{var g=new Uint8ClampedArray(t.length);g.set(t);n.data=g}if(this.needsDecode){(0,a.assert)(f===a.ImageKind.GRAYSCALE_1BPP,"PDFImage.createImageData: The image must be grayscale.");for(var m=n.data,p=0,b=m.length;p<b;p++)m[p]^=255}return n}if(this.image instanceof o.JpegStream&&!this.smask&&!this.mask){let e=h*d;switch(this.colorSpace.name){case"DeviceGray":e*=3;case"DeviceRGB":case"DeviceCMYK":n.kind=a.ImageKind.RGB_24BPP;n.data=this.getImageBytes(e,r,i,!0);return n}}}var y,v,w=0|(t=this.getImageBytes(h*d)).length/d*i/h,k=this.getComponents(t);if(e||this.smask||this.mask){n.kind=a.ImageKind.RGBA_32BPP;n.data=new Uint8ClampedArray(r*i*4);y=1;v=!0;this.fillOpacity(n.data,r,i,w,k)}else{n.kind=a.ImageKind.RGB_24BPP;n.data=new Uint8ClampedArray(r*i*3);y=0;v=!1}this.needsDecode&&this.decodeBuffer(k);this.colorSpace.fillRgb(n.data,l,h,r,i,w,u,k,y);v&&this.undoPreblend(n.data,r,w);return n}fillGrayBuffer(e){var t=this.numComps;if(1!==t)throw new a.FormatError("Reading gray scale from a color image: "+t);var r,i,n=this.width,s=this.height,o=this.bpc,c=n*t*o+7>>3,l=this.getImageBytes(s*c),h=this.getComponents(l);if(1!==o){this.needsDecode&&this.decodeBuffer(h);i=n*s;var u=255/((1<<o)-1);for(r=0;r<i;++r)e[r]=u*h[r]}else{i=n*s;if(this.needsDecode)for(r=0;r<i;++r)e[r]=h[r]-1&255;else for(r=0;r<i;++r)e[r]=255&-h[r]}}getImageBytes(e,t,r,a=!1){this.image.reset();this.image.drawWidth=t||this.width;this.image.drawHeight=r||this.height;this.image.forceRGB=!!a;return this.image.getBytes(e,!0)}}t.PDFImage=PDFImage},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.MessageHandler=void 0;var a=r(2);const i=1,n=2,s=1,o=2,c=3,l=4,h=5,u=6,d=7,f=8;function wrapReason(e){if("object"!=typeof e||null===e)return e;switch(e.name){case"AbortException":return new a.AbortException(e.message);case"MissingPDFException":return new a.MissingPDFException(e.message);case"UnexpectedResponseException":return new a.UnexpectedResponseException(e.message,e.status);case"UnknownErrorException":return new a.UnknownErrorException(e.message,e.details);default:return new a.UnknownErrorException(e.message,e.toString())}}t.MessageHandler=class MessageHandler{constructor(e,t,r){this.sourceName=e;this.targetName=t;this.comObj=r;this.callbackId=1;this.streamId=1;this.postMessageTransfers=!0;this.streamSinks=Object.create(null);this.streamControllers=Object.create(null);this.callbackCapabilities=Object.create(null);this.actionHandler=Object.create(null);this._onComObjOnMessage=e=>{const t=e.data;if(t.targetName!==this.sourceName)return;if(t.stream){this._processStreamMessage(t);return}if(t.callback){const e=t.callbackId,r=this.callbackCapabilities[e];if(!r)throw new Error("Cannot resolve callback "+e);delete this.callbackCapabilities[e];if(t.callback===i)r.resolve(t.data);else{if(t.callback!==n)throw new Error("Unexpected callback case");r.reject(wrapReason(t.reason))}return}const a=this.actionHandler[t.action];if(!a)throw new Error("Unknown action from worker: "+t.action);if(t.callbackId){const e=this.sourceName,s=t.sourceName;new Promise((function(e){e(a(t.data))})).then((function(a){r.postMessage({sourceName:e,targetName:s,callback:i,callbackId:t.callbackId,data:a})}),(function(a){r.postMessage({sourceName:e,targetName:s,callback:n,callbackId:t.callbackId,reason:wrapReason(a)})}))}else t.streamId?this._createStreamSink(t):a(t.data)};r.addEventListener("message",this._onComObjOnMessage)}on(e,t){const r=this.actionHandler;if(r[e])throw new Error(`There is already an actionName called "${e}"`);r[e]=t}send(e,t,r){this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:e,data:t},r)}sendWithPromise(e,t,r){const i=this.callbackId++,n=(0,a.createPromiseCapability)();this.callbackCapabilities[i]=n;try{this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:e,callbackId:i,data:t},r)}catch(e){n.reject(e)}return n.promise}sendWithStream(e,t,r,i){const n=this.streamId++,o=this.sourceName,c=this.targetName,l=this.comObj;return new ReadableStream({start:r=>{const s=(0,a.createPromiseCapability)();this.streamControllers[n]={controller:r,startCall:s,pullCall:null,cancelCall:null,isClosed:!1};this._postMessage({sourceName:o,targetName:c,action:e,streamId:n,data:t,desiredSize:r.desiredSize},i);return s.promise},pull:e=>{const t=(0,a.createPromiseCapability)();this.streamControllers[n].pullCall=t;l.postMessage({sourceName:o,targetName:c,stream:u,streamId:n,desiredSize:e.desiredSize});return t.promise},cancel:e=>{(0,a.assert)(e instanceof Error,"cancel must have a valid reason");const t=(0,a.createPromiseCapability)();this.streamControllers[n].cancelCall=t;this.streamControllers[n].isClosed=!0;l.postMessage({sourceName:o,targetName:c,stream:s,streamId:n,reason:wrapReason(e)});return t.promise}},r)}_createStreamSink(e){const t=this,r=this.actionHandler[e.action],i=e.streamId,n=this.sourceName,s=e.sourceName,o=this.comObj,u={enqueue(e,r=1,o){if(this.isCancelled)return;const c=this.desiredSize;this.desiredSize-=r;if(c>0&&this.desiredSize<=0){this.sinkCapability=(0,a.createPromiseCapability)();this.ready=this.sinkCapability.promise}t._postMessage({sourceName:n,targetName:s,stream:l,streamId:i,chunk:e},o)},close(){if(!this.isCancelled){this.isCancelled=!0;o.postMessage({sourceName:n,targetName:s,stream:c,streamId:i});delete t.streamSinks[i]}},error(e){(0,a.assert)(e instanceof Error,"error must have a valid reason");if(!this.isCancelled){this.isCancelled=!0;o.postMessage({sourceName:n,targetName:s,stream:h,streamId:i,reason:wrapReason(e)})}},sinkCapability:(0,a.createPromiseCapability)(),onPull:null,onCancel:null,isCancelled:!1,desiredSize:e.desiredSize,ready:null};u.sinkCapability.resolve();u.ready=u.sinkCapability.promise;this.streamSinks[i]=u;new Promise((function(t){t(r(e.data,u))})).then((function(){o.postMessage({sourceName:n,targetName:s,stream:f,streamId:i,success:!0})}),(function(e){o.postMessage({sourceName:n,targetName:s,stream:f,streamId:i,reason:wrapReason(e)})}))}_processStreamMessage(e){const t=e.streamId,r=this.sourceName,i=e.sourceName,n=this.comObj;switch(e.stream){case f:e.success?this.streamControllers[t].startCall.resolve():this.streamControllers[t].startCall.reject(wrapReason(e.reason));break;case d:e.success?this.streamControllers[t].pullCall.resolve():this.streamControllers[t].pullCall.reject(wrapReason(e.reason));break;case u:if(!this.streamSinks[t]){n.postMessage({sourceName:r,targetName:i,stream:d,streamId:t,success:!0});break}this.streamSinks[t].desiredSize<=0&&e.desiredSize>0&&this.streamSinks[t].sinkCapability.resolve();this.streamSinks[t].desiredSize=e.desiredSize;const{onPull:g}=this.streamSinks[e.streamId];new Promise((function(e){e(g&&g())})).then((function(){n.postMessage({sourceName:r,targetName:i,stream:d,streamId:t,success:!0})}),(function(e){n.postMessage({sourceName:r,targetName:i,stream:d,streamId:t,reason:wrapReason(e)})}));break;case l:(0,a.assert)(this.streamControllers[t],"enqueue should have stream controller");if(this.streamControllers[t].isClosed)break;this.streamControllers[t].controller.enqueue(e.chunk);break;case c:(0,a.assert)(this.streamControllers[t],"close should have stream controller");if(this.streamControllers[t].isClosed)break;this.streamControllers[t].isClosed=!0;this.streamControllers[t].controller.close();this._deleteStreamController(t);break;case h:(0,a.assert)(this.streamControllers[t],"error should have stream controller");this.streamControllers[t].controller.error(wrapReason(e.reason));this._deleteStreamController(t);break;case o:e.success?this.streamControllers[t].cancelCall.resolve():this.streamControllers[t].cancelCall.reject(wrapReason(e.reason));this._deleteStreamController(t);break;case s:if(!this.streamSinks[t])break;const{onCancel:m}=this.streamSinks[e.streamId];new Promise((function(t){t(m&&m(wrapReason(e.reason)))})).then((function(){n.postMessage({sourceName:r,targetName:i,stream:o,streamId:t,success:!0})}),(function(e){n.postMessage({sourceName:r,targetName:i,stream:o,streamId:t,reason:wrapReason(e)})}));this.streamSinks[t].sinkCapability.reject(wrapReason(e.reason));this.streamSinks[t].isCancelled=!0;delete this.streamSinks[t];break;default:throw new Error("Unexpected stream case")}}async _deleteStreamController(e){await Promise.allSettled([this.streamControllers[e].startCall,this.streamControllers[e].pullCall,this.streamControllers[e].cancelCall].map((function(e){return e&&e.promise})));delete this.streamControllers[e]}_postMessage(e,t){t&&this.postMessageTransfers?this.comObj.postMessage(e,t):this.comObj.postMessage(e)}destroy(){this.comObj.removeEventListener("message",this._onComObjOnMessage)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.PDFWorkerStream=void 0;var a=r(2);t.PDFWorkerStream=class PDFWorkerStream{constructor(e){this._msgHandler=e;this._contentLength=null;this._fullRequestReader=null;this._rangeRequestReaders=[]}getFullReader(){(0,a.assert)(!this._fullRequestReader,"PDFWorkerStream.getFullReader can only be called once.");this._fullRequestReader=new PDFWorkerStreamReader(this._msgHandler);return this._fullRequestReader}getRangeReader(e,t){const r=new PDFWorkerStreamRangeReader(e,t,this._msgHandler);this._rangeRequestReaders.push(r);return r}cancelAllRequests(e){this._fullRequestReader&&this._fullRequestReader.cancel(e);this._rangeRequestReaders.slice(0).forEach((function(t){t.cancel(e)}))}};class PDFWorkerStreamReader{constructor(e){this._msgHandler=e;this.onProgress=null;this._contentLength=null;this._isRangeSupported=!1;this._isStreamingSupported=!1;const t=this._msgHandler.sendWithStream("GetReader");this._reader=t.getReader();this._headersReady=this._msgHandler.sendWithPromise("ReaderHeadersReady").then(e=>{this._isStreamingSupported=e.isStreamingSupported;this._isRangeSupported=e.isRangeSupported;this._contentLength=e.contentLength})}get headersReady(){return this._headersReady}get contentLength(){return this._contentLength}get isStreamingSupported(){return this._isStreamingSupported}get isRangeSupported(){return this._isRangeSupported}async read(){const{value:e,done:t}=await this._reader.read();return t?{value:void 0,done:!0}:{value:e.buffer,done:!1}}cancel(e){this._reader.cancel(e)}}class PDFWorkerStreamRangeReader{constructor(e,t,r){this._msgHandler=r;this.onProgress=null;const a=this._msgHandler.sendWithStream("GetRangeReader",{begin:e,end:t});this._reader=a.getReader()}get isStreamingSupported(){return!1}async read(){const{value:e,done:t}=await this._reader.read();return t?{value:void 0,done:!0}:{value:e.buffer,done:!1}}cancel(e){this._reader.cancel(e)}}}])}));
\ No newline at end of file
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+%%Copyright: CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+%%Copyright: INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UCS2-H.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UCS2-V.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UCS2-V.bcmap
new file mode 100644
index 00000000..026adcaa
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UCS2-V.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-H.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-H.bcmap
new file mode 100644
index 00000000..fd4e66e8
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-H.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-V.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-V.bcmap
new file mode 100644
index 00000000..075efb70
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF16-V.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-H.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-H.bcmap
new file mode 100644
index 00000000..769d2142
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-H.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-V.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-V.bcmap
new file mode 100644
index 00000000..bdab208b
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF32-V.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-H.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-H.bcmap
new file mode 100644
index 00000000..6ff8674a
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-H.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-V.bcmap b/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-V.bcmap
new file mode 100644
index 00000000..8dfa76a5
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/UniKS-UTF8-V.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/V.bcmap b/node_modules/pdfjs-dist/cmaps/V.bcmap
new file mode 100644
index 00000000..fdec9906
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/V.bcmap differ
diff --git a/node_modules/pdfjs-dist/cmaps/WP-Symbol.bcmap b/node_modules/pdfjs-dist/cmaps/WP-Symbol.bcmap
new file mode 100644
index 00000000..46729bbf
Binary files /dev/null and b/node_modules/pdfjs-dist/cmaps/WP-Symbol.bcmap differ
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.js b/node_modules/pdfjs-dist/es5/build/pdf.js
new file mode 100644
index 00000000..34fda373
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.js
@@ -0,0 +1,26665 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/build/pdf", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/build/pdf"] = factory();
+	else
+		root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "addLinkAttributes", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.addLinkAttributes;
+  }
+});
+Object.defineProperty(exports, "getFilenameFromUrl", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.getFilenameFromUrl;
+  }
+});
+Object.defineProperty(exports, "LinkTarget", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.LinkTarget;
+  }
+});
+Object.defineProperty(exports, "loadScript", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.loadScript;
+  }
+});
+Object.defineProperty(exports, "PDFDateString", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.PDFDateString;
+  }
+});
+Object.defineProperty(exports, "RenderingCancelledException", {
+  enumerable: true,
+  get: function get() {
+    return _display_utils.RenderingCancelledException;
+  }
+});
+Object.defineProperty(exports, "build", {
+  enumerable: true,
+  get: function get() {
+    return _api.build;
+  }
+});
+Object.defineProperty(exports, "getDocument", {
+  enumerable: true,
+  get: function get() {
+    return _api.getDocument;
+  }
+});
+Object.defineProperty(exports, "LoopbackPort", {
+  enumerable: true,
+  get: function get() {
+    return _api.LoopbackPort;
+  }
+});
+Object.defineProperty(exports, "PDFDataRangeTransport", {
+  enumerable: true,
+  get: function get() {
+    return _api.PDFDataRangeTransport;
+  }
+});
+Object.defineProperty(exports, "PDFWorker", {
+  enumerable: true,
+  get: function get() {
+    return _api.PDFWorker;
+  }
+});
+Object.defineProperty(exports, "version", {
+  enumerable: true,
+  get: function get() {
+    return _api.version;
+  }
+});
+Object.defineProperty(exports, "CMapCompressionType", {
+  enumerable: true,
+  get: function get() {
+    return _util.CMapCompressionType;
+  }
+});
+Object.defineProperty(exports, "createObjectURL", {
+  enumerable: true,
+  get: function get() {
+    return _util.createObjectURL;
+  }
+});
+Object.defineProperty(exports, "createPromiseCapability", {
+  enumerable: true,
+  get: function get() {
+    return _util.createPromiseCapability;
+  }
+});
+Object.defineProperty(exports, "createValidAbsoluteUrl", {
+  enumerable: true,
+  get: function get() {
+    return _util.createValidAbsoluteUrl;
+  }
+});
+Object.defineProperty(exports, "InvalidPDFException", {
+  enumerable: true,
+  get: function get() {
+    return _util.InvalidPDFException;
+  }
+});
+Object.defineProperty(exports, "MissingPDFException", {
+  enumerable: true,
+  get: function get() {
+    return _util.MissingPDFException;
+  }
+});
+Object.defineProperty(exports, "OPS", {
+  enumerable: true,
+  get: function get() {
+    return _util.OPS;
+  }
+});
+Object.defineProperty(exports, "PasswordResponses", {
+  enumerable: true,
+  get: function get() {
+    return _util.PasswordResponses;
+  }
+});
+Object.defineProperty(exports, "PermissionFlag", {
+  enumerable: true,
+  get: function get() {
+    return _util.PermissionFlag;
+  }
+});
+Object.defineProperty(exports, "removeNullCharacters", {
+  enumerable: true,
+  get: function get() {
+    return _util.removeNullCharacters;
+  }
+});
+Object.defineProperty(exports, "shadow", {
+  enumerable: true,
+  get: function get() {
+    return _util.shadow;
+  }
+});
+Object.defineProperty(exports, "UnexpectedResponseException", {
+  enumerable: true,
+  get: function get() {
+    return _util.UnexpectedResponseException;
+  }
+});
+Object.defineProperty(exports, "UNSUPPORTED_FEATURES", {
+  enumerable: true,
+  get: function get() {
+    return _util.UNSUPPORTED_FEATURES;
+  }
+});
+Object.defineProperty(exports, "Util", {
+  enumerable: true,
+  get: function get() {
+    return _util.Util;
+  }
+});
+Object.defineProperty(exports, "VerbosityLevel", {
+  enumerable: true,
+  get: function get() {
+    return _util.VerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "AnnotationLayer", {
+  enumerable: true,
+  get: function get() {
+    return _annotation_layer.AnnotationLayer;
+  }
+});
+Object.defineProperty(exports, "apiCompatibilityParams", {
+  enumerable: true,
+  get: function get() {
+    return _api_compatibility.apiCompatibilityParams;
+  }
+});
+Object.defineProperty(exports, "GlobalWorkerOptions", {
+  enumerable: true,
+  get: function get() {
+    return _worker_options.GlobalWorkerOptions;
+  }
+});
+Object.defineProperty(exports, "renderTextLayer", {
+  enumerable: true,
+  get: function get() {
+    return _text_layer.renderTextLayer;
+  }
+});
+Object.defineProperty(exports, "SVGGraphics", {
+  enumerable: true,
+  get: function get() {
+    return _svg.SVGGraphics;
+  }
+});
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _api = __w_pdfjs_require__(202);
+
+var _util = __w_pdfjs_require__(5);
+
+var _annotation_layer = __w_pdfjs_require__(216);
+
+var _api_compatibility = __w_pdfjs_require__(206);
+
+var _worker_options = __w_pdfjs_require__(209);
+
+var _text_layer = __w_pdfjs_require__(217);
+
+var _svg = __w_pdfjs_require__(218);
+
+var pdfjsVersion = '2.6.347';
+var pdfjsBuild = '3be9c65f';
+{
+  var _require = __w_pdfjs_require__(7),
+      isNodeJS = _require.isNodeJS;
+
+  if (isNodeJS) {
+    var PDFNodeStream = __w_pdfjs_require__(219).PDFNodeStream;
+
+    (0, _api.setPDFNetworkStreamFactory)(function (params) {
+      return new PDFNodeStream(params);
+    });
+  } else {
+    var PDFNetworkStream = __w_pdfjs_require__(222).PDFNetworkStream;
+
+    var PDFFetchStream;
+
+    if ((0, _display_utils.isFetchSupported)()) {
+      PDFFetchStream = __w_pdfjs_require__(223).PDFFetchStream;
+    }
+
+    (0, _api.setPDFNetworkStreamFactory)(function (params) {
+      if (PDFFetchStream && (0, _display_utils.isValidFetchUrl)(params.url)) {
+        return new PDFFetchStream(params);
+      }
+
+      return new PDFNetworkStream(params);
+    });
+  }
+}
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.addLinkAttributes = addLinkAttributes;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.isFetchSupported = isFetchSupported;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+exports.deprecated = deprecated;
+exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.BaseCMapReaderFactory = exports.DOMCanvasFactory = exports.BaseCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
+var SVG_NS = "http://www.w3.org/2000/svg";
+
+var BaseCanvasFactory = /*#__PURE__*/function () {
+  function BaseCanvasFactory() {
+    _classCallCheck(this, BaseCanvasFactory);
+
+    if (this.constructor === BaseCanvasFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
+    }
+  }
+
+  _createClass(BaseCanvasFactory, [{
+    key: "create",
+    value: function create(width, height) {
+      (0, _util.unreachable)("Abstract method `create` called.");
+    }
+  }, {
+    key: "reset",
+    value: function reset(canvasAndContext, width, height) {
+      if (!canvasAndContext.canvas) {
+        throw new Error("Canvas is not specified");
+      }
+
+      if (width <= 0 || height <= 0) {
+        throw new Error("Invalid canvas size");
+      }
+
+      canvasAndContext.canvas.width = width;
+      canvasAndContext.canvas.height = height;
+    }
+  }, {
+    key: "destroy",
+    value: function destroy(canvasAndContext) {
+      if (!canvasAndContext.canvas) {
+        throw new Error("Canvas is not specified");
+      }
+
+      canvasAndContext.canvas.width = 0;
+      canvasAndContext.canvas.height = 0;
+      canvasAndContext.canvas = null;
+      canvasAndContext.context = null;
+    }
+  }]);
+
+  return BaseCanvasFactory;
+}();
+
+exports.BaseCanvasFactory = BaseCanvasFactory;
+
+var DOMCanvasFactory = /*#__PURE__*/function (_BaseCanvasFactory) {
+  _inherits(DOMCanvasFactory, _BaseCanvasFactory);
+
+  var _super = _createSuper(DOMCanvasFactory);
+
+  function DOMCanvasFactory() {
+    var _this;
+
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref$ownerDocument = _ref.ownerDocument,
+        ownerDocument = _ref$ownerDocument === void 0 ? globalThis.document : _ref$ownerDocument;
+
+    _classCallCheck(this, DOMCanvasFactory);
+
+    _this = _super.call(this);
+    _this._document = ownerDocument;
+    return _this;
+  }
+
+  _createClass(DOMCanvasFactory, [{
+    key: "create",
+    value: function create(width, height) {
+      if (width <= 0 || height <= 0) {
+        throw new Error("Invalid canvas size");
+      }
+
+      var canvas = this._document.createElement("canvas");
+
+      var context = canvas.getContext("2d");
+      canvas.width = width;
+      canvas.height = height;
+      return {
+        canvas: canvas,
+        context: context
+      };
+    }
+  }]);
+
+  return DOMCanvasFactory;
+}(BaseCanvasFactory);
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+var BaseCMapReaderFactory = /*#__PURE__*/function () {
+  function BaseCMapReaderFactory(_ref2) {
+    var _ref2$baseUrl = _ref2.baseUrl,
+        baseUrl = _ref2$baseUrl === void 0 ? null : _ref2$baseUrl,
+        _ref2$isCompressed = _ref2.isCompressed,
+        isCompressed = _ref2$isCompressed === void 0 ? false : _ref2$isCompressed;
+
+    _classCallCheck(this, BaseCMapReaderFactory);
+
+    if (this.constructor === BaseCMapReaderFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
+    }
+
+    this.baseUrl = baseUrl;
+    this.isCompressed = isCompressed;
+  }
+
+  _createClass(BaseCMapReaderFactory, [{
+    key: "fetch",
+    value: function () {
+      var _fetch = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(_ref3) {
+        var _this2 = this;
+
+        var name, url, compressionType;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                name = _ref3.name;
+
+                if (this.baseUrl) {
+                  _context.next = 3;
+                  break;
+                }
+
+                throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
+
+              case 3:
+                if (name) {
+                  _context.next = 5;
+                  break;
+                }
+
+                throw new Error("CMap name must be specified.");
+
+              case 5:
+                url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
+                compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+                return _context.abrupt("return", this._fetchData(url, compressionType)["catch"](function (reason) {
+                  throw new Error("Unable to load ".concat(_this2.isCompressed ? "binary " : "", "CMap at: ").concat(url));
+                }));
+
+              case 8:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function fetch(_x) {
+        return _fetch.apply(this, arguments);
+      }
+
+      return fetch;
+    }()
+  }, {
+    key: "_fetchData",
+    value: function _fetchData(url, compressionType) {
+      (0, _util.unreachable)("Abstract method `_fetchData` called.");
+    }
+  }]);
+
+  return BaseCMapReaderFactory;
+}();
+
+exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
+
+var DOMCMapReaderFactory = /*#__PURE__*/function (_BaseCMapReaderFactor) {
+  _inherits(DOMCMapReaderFactory, _BaseCMapReaderFactor);
+
+  var _super2 = _createSuper(DOMCMapReaderFactory);
+
+  function DOMCMapReaderFactory() {
+    _classCallCheck(this, DOMCMapReaderFactory);
+
+    return _super2.apply(this, arguments);
+  }
+
+  _createClass(DOMCMapReaderFactory, [{
+    key: "_fetchData",
+    value: function _fetchData(url, compressionType) {
+      var _this3 = this;
+
+      if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) {
+        return fetch(url).then( /*#__PURE__*/function () {
+          var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2(response) {
+            var cMapData;
+            return _regenerator["default"].wrap(function _callee2$(_context2) {
+              while (1) {
+                switch (_context2.prev = _context2.next) {
+                  case 0:
+                    if (response.ok) {
+                      _context2.next = 2;
+                      break;
+                    }
+
+                    throw new Error(response.statusText);
+
+                  case 2:
+                    if (!_this3.isCompressed) {
+                      _context2.next = 10;
+                      break;
+                    }
+
+                    _context2.t0 = Uint8Array;
+                    _context2.next = 6;
+                    return response.arrayBuffer();
+
+                  case 6:
+                    _context2.t1 = _context2.sent;
+                    cMapData = new _context2.t0(_context2.t1);
+                    _context2.next = 15;
+                    break;
+
+                  case 10:
+                    _context2.t2 = _util.stringToBytes;
+                    _context2.next = 13;
+                    return response.text();
+
+                  case 13:
+                    _context2.t3 = _context2.sent;
+                    cMapData = (0, _context2.t2)(_context2.t3);
+
+                  case 15:
+                    return _context2.abrupt("return", {
+                      cMapData: cMapData,
+                      compressionType: compressionType
+                    });
+
+                  case 16:
+                  case "end":
+                    return _context2.stop();
+                }
+              }
+            }, _callee2);
+          }));
+
+          return function (_x2) {
+            return _ref4.apply(this, arguments);
+          };
+        }());
+      }
+
+      return new Promise(function (resolve, reject) {
+        var request = new XMLHttpRequest();
+        request.open("GET", url, true);
+
+        if (_this3.isCompressed) {
+          request.responseType = "arraybuffer";
+        }
+
+        request.onreadystatechange = function () {
+          if (request.readyState !== XMLHttpRequest.DONE) {
+            return;
+          }
+
+          if (request.status === 200 || request.status === 0) {
+            var cMapData;
+
+            if (_this3.isCompressed && request.response) {
+              cMapData = new Uint8Array(request.response);
+            } else if (!_this3.isCompressed && request.responseText) {
+              cMapData = (0, _util.stringToBytes)(request.responseText);
+            }
+
+            if (cMapData) {
+              resolve({
+                cMapData: cMapData,
+                compressionType: compressionType
+              });
+              return;
+            }
+          }
+
+          reject(new Error(request.statusText));
+        };
+
+        request.send(null);
+      });
+    }
+  }]);
+
+  return DOMCMapReaderFactory;
+}(BaseCMapReaderFactory);
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+var DOMSVGFactory = /*#__PURE__*/function () {
+  function DOMSVGFactory() {
+    _classCallCheck(this, DOMSVGFactory);
+  }
+
+  _createClass(DOMSVGFactory, [{
+    key: "create",
+    value: function create(width, height) {
+      (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
+      var svg = document.createElementNS(SVG_NS, "svg:svg");
+      svg.setAttribute("version", "1.1");
+      svg.setAttribute("width", width + "px");
+      svg.setAttribute("height", height + "px");
+      svg.setAttribute("preserveAspectRatio", "none");
+      svg.setAttribute("viewBox", "0 0 " + width + " " + height);
+      return svg;
+    }
+  }, {
+    key: "createElement",
+    value: function createElement(type) {
+      (0, _util.assert)(typeof type === "string", "Invalid SVG element type");
+      return document.createElementNS(SVG_NS, type);
+    }
+  }]);
+
+  return DOMSVGFactory;
+}();
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+var PageViewport = /*#__PURE__*/function () {
+  function PageViewport(_ref5) {
+    var viewBox = _ref5.viewBox,
+        scale = _ref5.scale,
+        rotation = _ref5.rotation,
+        _ref5$offsetX = _ref5.offsetX,
+        offsetX = _ref5$offsetX === void 0 ? 0 : _ref5$offsetX,
+        _ref5$offsetY = _ref5.offsetY,
+        offsetY = _ref5$offsetY === void 0 ? 0 : _ref5$offsetY,
+        _ref5$dontFlip = _ref5.dontFlip,
+        dontFlip = _ref5$dontFlip === void 0 ? false : _ref5$dontFlip;
+
+    _classCallCheck(this, PageViewport);
+
+    this.viewBox = viewBox;
+    this.scale = scale;
+    this.rotation = rotation;
+    this.offsetX = offsetX;
+    this.offsetY = offsetY;
+    var centerX = (viewBox[2] + viewBox[0]) / 2;
+    var centerY = (viewBox[3] + viewBox[1]) / 2;
+    var rotateA, rotateB, rotateC, rotateD;
+    rotation = rotation % 360;
+    rotation = rotation < 0 ? rotation + 360 : rotation;
+
+    switch (rotation) {
+      case 180:
+        rotateA = -1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = 1;
+        break;
+
+      case 90:
+        rotateA = 0;
+        rotateB = 1;
+        rotateC = 1;
+        rotateD = 0;
+        break;
+
+      case 270:
+        rotateA = 0;
+        rotateB = -1;
+        rotateC = -1;
+        rotateD = 0;
+        break;
+
+      case 0:
+        rotateA = 1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = -1;
+        break;
+
+      default:
+        throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
+    }
+
+    if (dontFlip) {
+      rotateC = -rotateC;
+      rotateD = -rotateD;
+    }
+
+    var offsetCanvasX, offsetCanvasY;
+    var width, height;
+
+    if (rotateA === 0) {
+      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+      width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+      height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+    } else {
+      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+      width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+      height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+    }
+
+    this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
+    this.width = width;
+    this.height = height;
+  }
+
+  _createClass(PageViewport, [{
+    key: "clone",
+    value: function clone() {
+      var _ref6 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref6$scale = _ref6.scale,
+          scale = _ref6$scale === void 0 ? this.scale : _ref6$scale,
+          _ref6$rotation = _ref6.rotation,
+          rotation = _ref6$rotation === void 0 ? this.rotation : _ref6$rotation,
+          _ref6$offsetX = _ref6.offsetX,
+          offsetX = _ref6$offsetX === void 0 ? this.offsetX : _ref6$offsetX,
+          _ref6$offsetY = _ref6.offsetY,
+          offsetY = _ref6$offsetY === void 0 ? this.offsetY : _ref6$offsetY,
+          _ref6$dontFlip = _ref6.dontFlip,
+          dontFlip = _ref6$dontFlip === void 0 ? false : _ref6$dontFlip;
+
+      return new PageViewport({
+        viewBox: this.viewBox.slice(),
+        scale: scale,
+        rotation: rotation,
+        offsetX: offsetX,
+        offsetY: offsetY,
+        dontFlip: dontFlip
+      });
+    }
+  }, {
+    key: "convertToViewportPoint",
+    value: function convertToViewportPoint(x, y) {
+      return _util.Util.applyTransform([x, y], this.transform);
+    }
+  }, {
+    key: "convertToViewportRectangle",
+    value: function convertToViewportRectangle(rect) {
+      var topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+      var bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+      return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+    }
+  }, {
+    key: "convertToPdfPoint",
+    value: function convertToPdfPoint(x, y) {
+      return _util.Util.applyInverseTransform([x, y], this.transform);
+    }
+  }]);
+
+  return PageViewport;
+}();
+
+exports.PageViewport = PageViewport;
+
+var RenderingCancelledException = /*#__PURE__*/function (_BaseException) {
+  _inherits(RenderingCancelledException, _BaseException);
+
+  var _super3 = _createSuper(RenderingCancelledException);
+
+  function RenderingCancelledException(msg, type) {
+    var _this4;
+
+    _classCallCheck(this, RenderingCancelledException);
+
+    _this4 = _super3.call(this, msg);
+    _this4.type = type;
+    return _this4;
+  }
+
+  return RenderingCancelledException;
+}(_util.BaseException);
+
+exports.RenderingCancelledException = RenderingCancelledException;
+var LinkTarget = {
+  NONE: 0,
+  SELF: 1,
+  BLANK: 2,
+  PARENT: 3,
+  TOP: 4
+};
+exports.LinkTarget = LinkTarget;
+
+function addLinkAttributes(link) {
+  var _ref7 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+      url = _ref7.url,
+      target = _ref7.target,
+      rel = _ref7.rel,
+      _ref7$enabled = _ref7.enabled,
+      enabled = _ref7$enabled === void 0 ? true : _ref7$enabled;
+
+  (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
+  var urlNullRemoved = (0, _util.removeNullCharacters)(url);
+
+  if (enabled) {
+    link.href = link.title = urlNullRemoved;
+  } else {
+    link.href = "";
+    link.title = "Disabled: ".concat(urlNullRemoved);
+
+    link.onclick = function () {
+      return false;
+    };
+  }
+
+  var targetStr = "";
+
+  switch (target) {
+    case LinkTarget.NONE:
+      break;
+
+    case LinkTarget.SELF:
+      targetStr = "_self";
+      break;
+
+    case LinkTarget.BLANK:
+      targetStr = "_blank";
+      break;
+
+    case LinkTarget.PARENT:
+      targetStr = "_parent";
+      break;
+
+    case LinkTarget.TOP:
+      targetStr = "_top";
+      break;
+  }
+
+  link.target = targetStr;
+  link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+}
+
+function getFilenameFromUrl(url) {
+  var anchor = url.indexOf("#");
+  var query = url.indexOf("?");
+  var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf("/", end) + 1, end);
+}
+
+var StatTimer = /*#__PURE__*/function () {
+  function StatTimer() {
+    _classCallCheck(this, StatTimer);
+
+    this.started = Object.create(null);
+    this.times = [];
+  }
+
+  _createClass(StatTimer, [{
+    key: "time",
+    value: function time(name) {
+      if (name in this.started) {
+        (0, _util.warn)("Timer is already running for ".concat(name));
+      }
+
+      this.started[name] = Date.now();
+    }
+  }, {
+    key: "timeEnd",
+    value: function timeEnd(name) {
+      if (!(name in this.started)) {
+        (0, _util.warn)("Timer has not been started for ".concat(name));
+      }
+
+      this.times.push({
+        name: name,
+        start: this.started[name],
+        end: Date.now()
+      });
+      delete this.started[name];
+    }
+  }, {
+    key: "toString",
+    value: function toString() {
+      var outBuf = [];
+      var longest = 0;
+
+      var _iterator = _createForOfIteratorHelper(this.times),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var time = _step.value;
+          var name = time.name;
+
+          if (name.length > longest) {
+            longest = name.length;
+          }
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      var _iterator2 = _createForOfIteratorHelper(this.times),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var _time = _step2.value;
+          var duration = _time.end - _time.start;
+          outBuf.push("".concat(_time.name.padEnd(longest), " ").concat(duration, "ms\n"));
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+
+      return outBuf.join("");
+    }
+  }]);
+
+  return StatTimer;
+}();
+
+exports.StatTimer = StatTimer;
+
+function isFetchSupported() {
+  return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
+}
+
+function isValidFetchUrl(url, baseUrl) {
+  try {
+    var _ref8 = baseUrl ? new URL(url, baseUrl) : new URL(url),
+        protocol = _ref8.protocol;
+
+    return protocol === "http:" || protocol === "https:";
+  } catch (ex) {
+    return false;
+  }
+}
+
+function loadScript(src) {
+  return new Promise(function (resolve, reject) {
+    var script = document.createElement("script");
+    script.src = src;
+    script.onload = resolve;
+
+    script.onerror = function () {
+      reject(new Error("Cannot load script at: ".concat(script.src)));
+    };
+
+    (document.head || document.documentElement).appendChild(script);
+  });
+}
+
+function deprecated(details) {
+  console.log("Deprecated API usage: " + details);
+}
+
+var pdfDateStringRegex;
+
+var PDFDateString = /*#__PURE__*/function () {
+  function PDFDateString() {
+    _classCallCheck(this, PDFDateString);
+  }
+
+  _createClass(PDFDateString, null, [{
+    key: "toDateObject",
+    value: function toDateObject(input) {
+      if (!input || !(0, _util.isString)(input)) {
+        return null;
+      }
+
+      if (!pdfDateStringRegex) {
+        pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
+      }
+
+      var matches = pdfDateStringRegex.exec(input);
+
+      if (!matches) {
+        return null;
+      }
+
+      var year = parseInt(matches[1], 10);
+      var month = parseInt(matches[2], 10);
+      month = month >= 1 && month <= 12 ? month - 1 : 0;
+      var day = parseInt(matches[3], 10);
+      day = day >= 1 && day <= 31 ? day : 1;
+      var hour = parseInt(matches[4], 10);
+      hour = hour >= 0 && hour <= 23 ? hour : 0;
+      var minute = parseInt(matches[5], 10);
+      minute = minute >= 0 && minute <= 59 ? minute : 0;
+      var second = parseInt(matches[6], 10);
+      second = second >= 0 && second <= 59 ? second : 0;
+      var universalTimeRelation = matches[7] || "Z";
+      var offsetHour = parseInt(matches[8], 10);
+      offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
+      var offsetMinute = parseInt(matches[9], 10) || 0;
+      offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
+
+      if (universalTimeRelation === "-") {
+        hour += offsetHour;
+        minute += offsetMinute;
+      } else if (universalTimeRelation === "+") {
+        hour -= offsetHour;
+        minute -= offsetMinute;
+      }
+
+      return new Date(Date.UTC(year, month, day, hour, minute, second));
+    }
+  }]);
+
+  return PDFDateString;
+}();
+
+exports.PDFDateString = PDFDateString;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = __w_pdfjs_require__(3);
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(module) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var runtime = function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined;
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function define(obj, key, value) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+    return obj[key];
+  }
+
+  try {
+    define({}, "");
+  } catch (err) {
+    define = function define(obj, key, value) {
+      return obj[key] = value;
+    };
+  }
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []);
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+    return generator;
+  }
+
+  exports.wrap = wrap;
+
+  function tryCatch(fn, obj, arg) {
+    try {
+      return {
+        type: "normal",
+        arg: fn.call(obj, arg)
+      };
+    } catch (err) {
+      return {
+        type: "throw",
+        arg: err
+      };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+  var ContinueSentinel = {};
+
+  function Generator() {}
+
+  function GeneratorFunction() {}
+
+  function GeneratorFunctionPrototype() {}
+
+  var IteratorPrototype = {};
+
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+
+  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");
+
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function (method) {
+      define(prototype, method, function (arg) {
+        return this._invoke(method, arg);
+      });
+    });
+  }
+
+  exports.isGeneratorFunction = function (genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
+  };
+
+  exports.mark = function (genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+      define(genFun, toStringTagSymbol, "GeneratorFunction");
+    }
+
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  exports.awrap = function (arg) {
+    return {
+      __await: arg
+    };
+  };
+
+  function AsyncIterator(generator, PromiseImpl) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+
+        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
+          return PromiseImpl.resolve(value.__await).then(function (value) {
+            invoke("next", value, resolve, reject);
+          }, function (err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return PromiseImpl.resolve(value).then(function (unwrapped) {
+          result.value = unwrapped;
+          resolve(result);
+        }, function (error) {
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new PromiseImpl(function (resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
+    }
+
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+
+  exports.AsyncIterator = AsyncIterator;
+
+  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
+    if (PromiseImpl === void 0) PromiseImpl = Promise;
+    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
+    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
+      return result.done ? result.value : iter.next();
+    });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        }
+
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          context.sent = context._sent = context.arg;
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+        var record = tryCatch(innerFn, self, context);
+
+        if (record.type === "normal") {
+          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  }
+
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+
+    if (method === undefined) {
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        if (delegate.iterator["return"]) {
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError("The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (!info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      context[delegate.resultName] = info.value;
+      context.next = delegate.nextLoc;
+
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+    } else {
+      return info;
+    }
+
+    context.delegate = null;
+    return ContinueSentinel;
+  }
+
+  defineIteratorMethods(Gp);
+  define(Gp, toStringTagSymbol, "Generator");
+
+  Gp[iteratorSymbol] = function () {
+    return this;
+  };
+
+  Gp.toString = function () {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = {
+      tryLoc: locs[0]
+    };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    this.tryEntries = [{
+      tryLoc: "root"
+    }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function (object) {
+    var keys = [];
+
+    for (var key in object) {
+      keys.push(key);
+    }
+
+    keys.reverse();
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1,
+            next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    return {
+      next: doneResult
+    };
+  }
+
+  exports.values = values;
+
+  function doneResult() {
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+    reset: function reset(skipTempReset) {
+      this.prev = 0;
+      this.next = 0;
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+      this.method = "next";
+      this.arg = undefined;
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+    stop: function stop() {
+      this.done = true;
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+    dispatchException: function dispatchException(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+    abrupt: function abrupt(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+    complete: function complete(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" || record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+    finish: function finish(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+    "catch": function _catch(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+
+          return thrown;
+        }
+      }
+
+      throw new Error("illegal catch attempt");
+    },
+    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  };
+  return exports;
+}(( false ? undefined : _typeof(module)) === "object" ? module.exports : {});
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
+/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(4)(module)))
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (module) {
+  if (!module.webpackPolyfill) {
+    module.deprecate = function () {};
+
+    module.paths = [];
+    if (!module.children) module.children = [];
+    Object.defineProperty(module, "loaded", {
+      enumerable: true,
+      get: function get() {
+        return module.l;
+      }
+    });
+    Object.defineProperty(module, "id", {
+      enumerable: true,
+      get: function get() {
+        return module.i;
+      }
+    });
+    module.webpackPolyfill = 1;
+  }
+
+  return module;
+};
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(6);
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+var PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+var TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+var ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+var AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+var AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+var AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+var AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+var AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+var AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+var AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+var AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+var StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+var FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+var VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+var CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+var OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+var UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+var PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+var verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log("Info: ".concat(msg));
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log("Warning: ".concat(msg));
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  var base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  var other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value: value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+var BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+var PasswordException = /*#__PURE__*/function (_BaseException) {
+  _inherits(PasswordException, _BaseException);
+
+  var _super = _createSuper(PasswordException);
+
+  function PasswordException(msg, code) {
+    var _this;
+
+    _classCallCheck(this, PasswordException);
+
+    _this = _super.call(this, msg);
+    _this.code = code;
+    return _this;
+  }
+
+  return PasswordException;
+}(BaseException);
+
+exports.PasswordException = PasswordException;
+
+var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
+  _inherits(UnknownErrorException, _BaseException2);
+
+  var _super2 = _createSuper(UnknownErrorException);
+
+  function UnknownErrorException(msg, details) {
+    var _this2;
+
+    _classCallCheck(this, UnknownErrorException);
+
+    _this2 = _super2.call(this, msg);
+    _this2.details = details;
+    return _this2;
+  }
+
+  return UnknownErrorException;
+}(BaseException);
+
+exports.UnknownErrorException = UnknownErrorException;
+
+var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
+  _inherits(InvalidPDFException, _BaseException3);
+
+  var _super3 = _createSuper(InvalidPDFException);
+
+  function InvalidPDFException() {
+    _classCallCheck(this, InvalidPDFException);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return InvalidPDFException;
+}(BaseException);
+
+exports.InvalidPDFException = InvalidPDFException;
+
+var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
+  _inherits(MissingPDFException, _BaseException4);
+
+  var _super4 = _createSuper(MissingPDFException);
+
+  function MissingPDFException() {
+    _classCallCheck(this, MissingPDFException);
+
+    return _super4.apply(this, arguments);
+  }
+
+  return MissingPDFException;
+}(BaseException);
+
+exports.MissingPDFException = MissingPDFException;
+
+var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
+  _inherits(UnexpectedResponseException, _BaseException5);
+
+  var _super5 = _createSuper(UnexpectedResponseException);
+
+  function UnexpectedResponseException(msg, status) {
+    var _this3;
+
+    _classCallCheck(this, UnexpectedResponseException);
+
+    _this3 = _super5.call(this, msg);
+    _this3.status = status;
+    return _this3;
+  }
+
+  return UnexpectedResponseException;
+}(BaseException);
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+var FormatError = /*#__PURE__*/function (_BaseException6) {
+  _inherits(FormatError, _BaseException6);
+
+  var _super6 = _createSuper(FormatError);
+
+  function FormatError() {
+    _classCallCheck(this, FormatError);
+
+    return _super6.apply(this, arguments);
+  }
+
+  return FormatError;
+}(BaseException);
+
+exports.FormatError = FormatError;
+
+var AbortException = /*#__PURE__*/function (_BaseException7) {
+  _inherits(AbortException, _BaseException7);
+
+  var _super7 = _createSuper(AbortException);
+
+  function AbortException() {
+    _classCallCheck(this, AbortException);
+
+    return _super7.apply(this, arguments);
+  }
+
+  return AbortException;
+}(BaseException);
+
+exports.AbortException = AbortException;
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && _typeof(bytes) === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  var length = bytes.length;
+  var MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  var strBuf = [];
+
+  for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    var chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  var length = str.length;
+  var bytes = new Uint8Array(length);
+
+  for (var i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  var length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  var resultLength = 0;
+
+  for (var i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  var pos = 0;
+  var data = new Uint8Array(resultLength);
+
+  for (var _i = 0; _i < length; _i++) {
+    var item = arr[_i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    var itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  var buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+var IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+var IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+var rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+var Util = /*#__PURE__*/function () {
+  function Util() {
+    _classCallCheck(this, Util);
+  }
+
+  _createClass(Util, null, [{
+    key: "makeCssRgb",
+    value: function makeCssRgb(r, g, b) {
+      rgbBuf[1] = r;
+      rgbBuf[3] = g;
+      rgbBuf[5] = b;
+      return rgbBuf.join("");
+    }
+  }, {
+    key: "transform",
+    value: function transform(m1, m2) {
+      return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+    }
+  }, {
+    key: "applyTransform",
+    value: function applyTransform(p, m) {
+      var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+      var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+      return [xt, yt];
+    }
+  }, {
+    key: "applyInverseTransform",
+    value: function applyInverseTransform(p, m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+      var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+      return [xt, yt];
+    }
+  }, {
+    key: "getAxialAlignedBoundingBox",
+    value: function getAxialAlignedBoundingBox(r, m) {
+      var p1 = Util.applyTransform(r, m);
+      var p2 = Util.applyTransform(r.slice(2, 4), m);
+      var p3 = Util.applyTransform([r[0], r[3]], m);
+      var p4 = Util.applyTransform([r[2], r[1]], m);
+      return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+    }
+  }, {
+    key: "inverseTransform",
+    value: function inverseTransform(m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+    }
+  }, {
+    key: "apply3dTransform",
+    value: function apply3dTransform(m, v) {
+      return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+    }
+  }, {
+    key: "singularValueDecompose2dScale",
+    value: function singularValueDecompose2dScale(m) {
+      var transpose = [m[0], m[2], m[1], m[3]];
+      var a = m[0] * transpose[0] + m[1] * transpose[2];
+      var b = m[0] * transpose[1] + m[1] * transpose[3];
+      var c = m[2] * transpose[0] + m[3] * transpose[2];
+      var d = m[2] * transpose[1] + m[3] * transpose[3];
+      var first = (a + d) / 2;
+      var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+      var sx = first + second || 1;
+      var sy = first - second || 1;
+      return [Math.sqrt(sx), Math.sqrt(sy)];
+    }
+  }, {
+    key: "normalizeRect",
+    value: function normalizeRect(rect) {
+      var r = rect.slice(0);
+
+      if (rect[0] > rect[2]) {
+        r[0] = rect[2];
+        r[2] = rect[0];
+      }
+
+      if (rect[1] > rect[3]) {
+        r[1] = rect[3];
+        r[3] = rect[1];
+      }
+
+      return r;
+    }
+  }, {
+    key: "intersect",
+    value: function intersect(rect1, rect2) {
+      function compare(a, b) {
+        return a - b;
+      }
+
+      var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+      var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+      var result = [];
+      rect1 = Util.normalizeRect(rect1);
+      rect2 = Util.normalizeRect(rect2);
+
+      if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+        result[0] = orderedX[1];
+        result[2] = orderedX[2];
+      } else {
+        return null;
+      }
+
+      if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+        result[1] = orderedY[1];
+        result[3] = orderedY[2];
+      } else {
+        return null;
+      }
+
+      return result;
+    }
+  }]);
+
+  return Util;
+}();
+
+exports.Util = Util;
+var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  var length = str.length,
+      strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (var i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (var _i2 = 2; _i2 < length; _i2 += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(_i2 + 1) << 8 | str.charCodeAt(_i2)));
+    }
+  } else {
+    for (var _i3 = 0; _i3 < length; ++_i3) {
+      var code = PDFStringTranslateTable[str.charCodeAt(_i3)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(_i3));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return _typeof(v) === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate() {
+  var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date(Date.now());
+  var buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  var capability = Object.create(null);
+  var isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get: function get() {
+      return isSettled;
+    }
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+var createObjectURL = function createObjectURLClosure() {
+  var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType) {
+    var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    if (!forceDataSchema && URL.createObjectURL) {
+      var blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    var buffer = "data:".concat(contentType, ";base64,");
+
+    for (var i = 0, ii = data.length; i < ii; i += 3) {
+      var b1 = data[i] & 0xff;
+      var b2 = data[i + 1] & 0xff;
+      var b3 = data[i + 2] & 0xff;
+      var d1 = b1 >> 2,
+          d2 = (b1 & 3) << 4 | b2 >> 4;
+      var d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      var d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(7);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+if (typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked) {
+  if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
+    globalThis = __w_pdfjs_require__(8);
+  }
+
+  globalThis._pdfjsCompatibilityChecked = true;
+  var hasDOM = (typeof window === "undefined" ? "undefined" : _typeof(window)) === "object" && (typeof document === "undefined" ? "undefined" : _typeof(document)) === "object";
+  var userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  var isIE = /Trident/.test(userAgent);
+
+  (function checkNodeBtoa() {
+    if (globalThis.btoa || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.btoa = function (chars) {
+      return Buffer.from(chars, "binary").toString("base64");
+    };
+  })();
+
+  (function checkNodeAtob() {
+    if (globalThis.atob || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.atob = function (input) {
+      return Buffer.from(input, "base64").toString("binary");
+    };
+  })();
+
+  (function checkChildNodeRemove() {
+    if (!hasDOM) {
+      return;
+    }
+
+    if (typeof Element.prototype.remove !== "undefined") {
+      return;
+    }
+
+    Element.prototype.remove = function () {
+      if (this.parentNode) {
+        this.parentNode.removeChild(this);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListAddRemove() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+    div.classList.add("testOne", "testTwo");
+
+    if (div.classList.contains("testOne") === true && div.classList.contains("testTwo") === true) {
+      return;
+    }
+
+    var OriginalDOMTokenListAdd = DOMTokenList.prototype.add;
+    var OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;
+
+    DOMTokenList.prototype.add = function () {
+      for (var _len = arguments.length, tokens = new Array(_len), _key = 0; _key < _len; _key++) {
+        tokens[_key] = arguments[_key];
+      }
+
+      for (var _i = 0, _tokens = tokens; _i < _tokens.length; _i++) {
+        var token = _tokens[_i];
+        OriginalDOMTokenListAdd.call(this, token);
+      }
+    };
+
+    DOMTokenList.prototype.remove = function () {
+      for (var _len2 = arguments.length, tokens = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        tokens[_key2] = arguments[_key2];
+      }
+
+      for (var _i2 = 0, _tokens2 = tokens; _i2 < _tokens2.length; _i2++) {
+        var token = _tokens2[_i2];
+        OriginalDOMTokenListRemove.call(this, token);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListToggle() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+
+    if (div.classList.toggle("test", 0) === false) {
+      return;
+    }
+
+    DOMTokenList.prototype.toggle = function (token) {
+      var force = arguments.length > 1 ? !!arguments[1] : !this.contains(token);
+      return this[force ? "add" : "remove"](token), force;
+    };
+  })();
+
+  (function checkWindowHistoryPushStateReplaceState() {
+    if (!hasDOM || !isIE) {
+      return;
+    }
+
+    var OriginalPushState = window.history.pushState;
+    var OriginalReplaceState = window.history.replaceState;
+
+    window.history.pushState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalPushState.apply(this, args);
+    };
+
+    window.history.replaceState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalReplaceState.apply(this, args);
+    };
+  })();
+
+  (function checkStringStartsWith() {
+    if (String.prototype.startsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(53);
+  })();
+
+  (function checkStringEndsWith() {
+    if (String.prototype.endsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(64);
+  })();
+
+  (function checkStringIncludes() {
+    if (String.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(66);
+  })();
+
+  (function checkArrayIncludes() {
+    if (Array.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(68);
+  })();
+
+  (function checkArrayFrom() {
+    if (Array.from) {
+      return;
+    }
+
+    __w_pdfjs_require__(76);
+  })();
+
+  (function checkObjectAssign() {
+    if (Object.assign) {
+      return;
+    }
+
+    __w_pdfjs_require__(98);
+  })();
+
+  (function checkObjectFromEntries() {
+    if (Object.fromEntries) {
+      return;
+    }
+
+    __w_pdfjs_require__(101);
+  })();
+
+  (function checkMathLog2() {
+    if (Math.log2) {
+      return;
+    }
+
+    Math.log2 = __w_pdfjs_require__(105);
+  })();
+
+  (function checkNumberIsNaN() {
+    if (Number.isNaN) {
+      return;
+    }
+
+    Number.isNaN = __w_pdfjs_require__(107);
+  })();
+
+  (function checkNumberIsInteger() {
+    if (Number.isInteger) {
+      return;
+    }
+
+    Number.isInteger = __w_pdfjs_require__(109);
+  })();
+
+  (function checkTypedArraySlice() {
+    if (Uint8Array.prototype.slice) {
+      return;
+    }
+
+    __w_pdfjs_require__(112);
+  })();
+
+  (function checkPromise() {
+    if (globalThis.Promise && globalThis.Promise.allSettled) {
+      return;
+    }
+
+    globalThis.Promise = __w_pdfjs_require__(117);
+  })();
+
+  (function checkURL() {
+    globalThis.URL = __w_pdfjs_require__(138);
+  })();
+
+  (function checkReadableStream() {
+    var isReadableStreamSupported = false;
+
+    if (typeof ReadableStream !== "undefined") {
+      try {
+        new ReadableStream({
+          start: function start(controller) {
+            controller.close();
+          }
+        });
+        isReadableStreamSupported = true;
+      } catch (e) {}
+    }
+
+    if (isReadableStreamSupported) {
+      return;
+    }
+
+    globalThis.ReadableStream = __w_pdfjs_require__(145).ReadableStream;
+  })();
+
+  (function checkMapEntries() {
+    if (globalThis.Map && globalThis.Map.prototype.entries) {
+      return;
+    }
+
+    globalThis.Map = __w_pdfjs_require__(146);
+  })();
+
+  (function checkSetEntries() {
+    if (globalThis.Set && globalThis.Set.prototype.entries) {
+      return;
+    }
+
+    globalThis.Set = __w_pdfjs_require__(153);
+  })();
+
+  (function checkWeakMap() {
+    if (globalThis.WeakMap) {
+      return;
+    }
+
+    globalThis.WeakMap = __w_pdfjs_require__(155);
+  })();
+
+  (function checkWeakSet() {
+    if (globalThis.WeakSet) {
+      return;
+    }
+
+    globalThis.WeakSet = __w_pdfjs_require__(161);
+  })();
+
+  (function checkStringCodePointAt() {
+    if (String.prototype.codePointAt) {
+      return;
+    }
+
+    __w_pdfjs_require__(163);
+  })();
+
+  (function checkStringFromCodePoint() {
+    if (String.fromCodePoint) {
+      return;
+    }
+
+    String.fromCodePoint = __w_pdfjs_require__(165);
+  })();
+
+  (function checkSymbol() {
+    if (globalThis.Symbol) {
+      return;
+    }
+
+    __w_pdfjs_require__(167);
+  })();
+
+  (function checkStringPadStart() {
+    if (String.prototype.padStart) {
+      return;
+    }
+
+    __w_pdfjs_require__(190);
+  })();
+
+  (function checkStringPadEnd() {
+    if (String.prototype.padEnd) {
+      return;
+    }
+
+    __w_pdfjs_require__(195);
+  })();
+
+  (function checkObjectValues() {
+    if (Object.values) {
+      return;
+    }
+
+    Object.values = __w_pdfjs_require__(197);
+  })();
+
+  (function checkObjectEntries() {
+    if (Object.entries) {
+      return;
+    }
+
+    Object.entries = __w_pdfjs_require__(200);
+  })();
+}
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(9);
+module.exports = __w_pdfjs_require__(11);
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+$({ global: true }, { globalThis: global });
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var setGlobal = __w_pdfjs_require__(30);
+var copyConstructorProperties = __w_pdfjs_require__(40);
+var isForced = __w_pdfjs_require__(52);
+module.exports = function (options, source) {
+ var TARGET = options.target;
+ var GLOBAL = options.global;
+ var STATIC = options.stat;
+ var FORCED, target, key, targetProperty, sourceProperty, descriptor;
+ if (GLOBAL) {
+  target = global;
+ } else if (STATIC) {
+  target = global[TARGET] || setGlobal(TARGET, {});
+ } else {
+  target = (global[TARGET] || {}).prototype;
+ }
+ if (target)
+  for (key in source) {
+   sourceProperty = source[key];
+   if (options.noTargetGet) {
+    descriptor = getOwnPropertyDescriptor(target, key);
+    targetProperty = descriptor && descriptor.value;
+   } else
+    targetProperty = target[key];
+   FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
+   if (!FORCED && targetProperty !== undefined) {
+    if (typeof sourceProperty === typeof targetProperty)
+     continue;
+    copyConstructorProperties(sourceProperty, targetProperty);
+   }
+   if (options.sham || targetProperty && targetProperty.sham) {
+    createNonEnumerableProperty(sourceProperty, 'sham', true);
+   }
+   redefine(target, key, sourceProperty, options);
+  }
+};
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports) {
+
+var check = function (it) {
+ return it && it.Math == Math && it;
+};
+module.exports = check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || Function('return this')();
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var toIndexedObject = __w_pdfjs_require__(17);
+var toPrimitive = __w_pdfjs_require__(21);
+var has = __w_pdfjs_require__(23);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(24);
+var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
+ O = toIndexedObject(O);
+ P = toPrimitive(P, true);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeGetOwnPropertyDescriptor(O, P);
+  } catch (error) {
+  }
+ if (has(O, P))
+  return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
+};
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ return Object.defineProperty({}, 1, {
+  get: function () {
+   return 7;
+  }
+ })[1] != 7;
+});
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+ try {
+  return !!exec();
+ } catch (error) {
+  return true;
+ }
+};
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
+var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);
+exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
+ var descriptor = getOwnPropertyDescriptor(this, V);
+ return !!descriptor && descriptor.enumerable;
+} : nativePropertyIsEnumerable;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+module.exports = function (bitmap, value) {
+ return {
+  enumerable: !(bitmap & 1),
+  configurable: !(bitmap & 2),
+  writable: !(bitmap & 4),
+  value: value
+ };
+};
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IndexedObject = __w_pdfjs_require__(18);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = function (it) {
+ return IndexedObject(requireObjectCoercible(it));
+};
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var classof = __w_pdfjs_require__(19);
+var split = ''.split;
+module.exports = fails(function () {
+ return !Object('z').propertyIsEnumerable(0);
+}) ? function (it) {
+ return classof(it) == 'String' ? split.call(it, '') : Object(it);
+} : Object;
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports) {
+
+var toString = {}.toString;
+module.exports = function (it) {
+ return toString.call(it).slice(8, -1);
+};
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (it == undefined)
+  throw TypeError("Can't call method on " + it);
+ return it;
+};
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (input, PREFERRED_STRING) {
+ if (!isObject(input))
+  return input;
+ var fn, val;
+ if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ throw TypeError("Can't convert object to primitive value");
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ return typeof it === 'object' ? it !== null : typeof it === 'function';
+};
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports) {
+
+var hasOwnProperty = {}.hasOwnProperty;
+module.exports = function (it, key) {
+ return hasOwnProperty.call(it, key);
+};
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var createElement = __w_pdfjs_require__(25);
+module.exports = !DESCRIPTORS && !fails(function () {
+ return Object.defineProperty(createElement('div'), 'a', {
+  get: function () {
+   return 7;
+  }
+ }).a != 7;
+});
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var document = global.document;
+var EXISTS = isObject(document) && isObject(document.createElement);
+module.exports = function (it) {
+ return EXISTS ? document.createElement(it) : {};
+};
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var definePropertyModule = __w_pdfjs_require__(27);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+module.exports = DESCRIPTORS ? function (object, key, value) {
+ return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
+} : function (object, key, value) {
+ object[key] = value;
+ return object;
+};
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(24);
+var anObject = __w_pdfjs_require__(28);
+var toPrimitive = __w_pdfjs_require__(21);
+var nativeDefineProperty = Object.defineProperty;
+exports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
+ anObject(O);
+ P = toPrimitive(P, true);
+ anObject(Attributes);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeDefineProperty(O, P, Attributes);
+  } catch (error) {
+  }
+ if ('get' in Attributes || 'set' in Attributes)
+  throw TypeError('Accessors not supported');
+ if ('value' in Attributes)
+  O[P] = Attributes.value;
+ return O;
+};
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (it) {
+ if (!isObject(it)) {
+  throw TypeError(String(it) + ' is not an object');
+ }
+ return it;
+};
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var has = __w_pdfjs_require__(23);
+var setGlobal = __w_pdfjs_require__(30);
+var inspectSource = __w_pdfjs_require__(31);
+var InternalStateModule = __w_pdfjs_require__(33);
+var getInternalState = InternalStateModule.get;
+var enforceInternalState = InternalStateModule.enforce;
+var TEMPLATE = String(String).split('String');
+(module.exports = function (O, key, value, options) {
+ var unsafe = options ? !!options.unsafe : false;
+ var simple = options ? !!options.enumerable : false;
+ var noTargetGet = options ? !!options.noTargetGet : false;
+ if (typeof value == 'function') {
+  if (typeof key == 'string' && !has(value, 'name'))
+   createNonEnumerableProperty(value, 'name', key);
+  enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
+ }
+ if (O === global) {
+  if (simple)
+   O[key] = value;
+  else
+   setGlobal(key, value);
+  return;
+ } else if (!unsafe) {
+  delete O[key];
+ } else if (!noTargetGet && O[key]) {
+  simple = true;
+ }
+ if (simple)
+  O[key] = value;
+ else
+  createNonEnumerableProperty(O, key, value);
+})(Function.prototype, 'toString', function toString() {
+ return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
+});
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+module.exports = function (key, value) {
+ try {
+  createNonEnumerableProperty(global, key, value);
+ } catch (error) {
+  global[key] = value;
+ }
+ return value;
+};
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var store = __w_pdfjs_require__(32);
+var functionToString = Function.toString;
+if (typeof store.inspectSource != 'function') {
+ store.inspectSource = function (it) {
+  return functionToString.call(it);
+ };
+}
+module.exports = store.inspectSource;
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var setGlobal = __w_pdfjs_require__(30);
+var SHARED = '__core-js_shared__';
+var store = global[SHARED] || setGlobal(SHARED, {});
+module.exports = store;
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(34);
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var objectHas = __w_pdfjs_require__(23);
+var sharedKey = __w_pdfjs_require__(35);
+var hiddenKeys = __w_pdfjs_require__(39);
+var WeakMap = global.WeakMap;
+var set, get, has;
+var enforce = function (it) {
+ return has(it) ? get(it) : set(it, {});
+};
+var getterFor = function (TYPE) {
+ return function (it) {
+  var state;
+  if (!isObject(it) || (state = get(it)).type !== TYPE) {
+   throw TypeError('Incompatible receiver, ' + TYPE + ' required');
+  }
+  return state;
+ };
+};
+if (NATIVE_WEAK_MAP) {
+ var store = new WeakMap();
+ var wmget = store.get;
+ var wmhas = store.has;
+ var wmset = store.set;
+ set = function (it, metadata) {
+  wmset.call(store, it, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return wmget.call(store, it) || {};
+ };
+ has = function (it) {
+  return wmhas.call(store, it);
+ };
+} else {
+ var STATE = sharedKey('state');
+ hiddenKeys[STATE] = true;
+ set = function (it, metadata) {
+  createNonEnumerableProperty(it, STATE, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return objectHas(it, STATE) ? it[STATE] : {};
+ };
+ has = function (it) {
+  return objectHas(it, STATE);
+ };
+}
+module.exports = {
+ set: set,
+ get: get,
+ has: has,
+ enforce: enforce,
+ getterFor: getterFor
+};
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var inspectSource = __w_pdfjs_require__(31);
+var WeakMap = global.WeakMap;
+module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var shared = __w_pdfjs_require__(36);
+var uid = __w_pdfjs_require__(38);
+var keys = shared('keys');
+module.exports = function (key) {
+ return keys[key] || (keys[key] = uid(key));
+};
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IS_PURE = __w_pdfjs_require__(37);
+var store = __w_pdfjs_require__(32);
+(module.exports = function (key, value) {
+ return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+ version: '3.6.5',
+ mode: IS_PURE ? 'pure' : 'global',
+ copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
+});
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports) {
+
+module.exports = false;
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports) {
+
+var id = 0;
+var postfix = Math.random();
+module.exports = function (key) {
+ return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
+};
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var ownKeys = __w_pdfjs_require__(41);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(12);
+var definePropertyModule = __w_pdfjs_require__(27);
+module.exports = function (target, source) {
+ var keys = ownKeys(source);
+ var defineProperty = definePropertyModule.f;
+ var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+ for (var i = 0; i < keys.length; i++) {
+  var key = keys[i];
+  if (!has(target, key))
+   defineProperty(target, key, getOwnPropertyDescriptor(source, key));
+ }
+};
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(44);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var anObject = __w_pdfjs_require__(28);
+module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
+ var keys = getOwnPropertyNamesModule.f(anObject(it));
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
+};
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(43);
+var global = __w_pdfjs_require__(11);
+var aFunction = function (variable) {
+ return typeof variable == 'function' ? variable : undefined;
+};
+module.exports = function (namespace, method) {
+ return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace]) : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
+};
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = global;
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(45);
+var enumBugKeys = __w_pdfjs_require__(50);
+var hiddenKeys = enumBugKeys.concat('length', 'prototype');
+exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
+ return internalObjectKeys(O, hiddenKeys);
+};
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var toIndexedObject = __w_pdfjs_require__(17);
+var indexOf = __w_pdfjs_require__(46).indexOf;
+var hiddenKeys = __w_pdfjs_require__(39);
+module.exports = function (object, names) {
+ var O = toIndexedObject(object);
+ var i = 0;
+ var result = [];
+ var key;
+ for (key in O)
+  !has(hiddenKeys, key) && has(O, key) && result.push(key);
+ while (names.length > i)
+  if (has(O, key = names[i++])) {
+   ~indexOf(result, key) || result.push(key);
+  }
+ return result;
+};
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var toLength = __w_pdfjs_require__(47);
+var toAbsoluteIndex = __w_pdfjs_require__(49);
+var createMethod = function (IS_INCLUDES) {
+ return function ($this, el, fromIndex) {
+  var O = toIndexedObject($this);
+  var length = toLength(O.length);
+  var index = toAbsoluteIndex(fromIndex, length);
+  var value;
+  if (IS_INCLUDES && el != el)
+   while (length > index) {
+    value = O[index++];
+    if (value != value)
+     return true;
+   }
+  else
+   for (; length > index; index++) {
+    if ((IS_INCLUDES || index in O) && O[index] === el)
+     return IS_INCLUDES || index || 0;
+   }
+  return !IS_INCLUDES && -1;
+ };
+};
+module.exports = {
+ includes: createMethod(true),
+ indexOf: createMethod(false)
+};
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var min = Math.min;
+module.exports = function (argument) {
+ return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0;
+};
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports) {
+
+var ceil = Math.ceil;
+var floor = Math.floor;
+module.exports = function (argument) {
+ return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
+};
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var max = Math.max;
+var min = Math.min;
+module.exports = function (index, length) {
+ var integer = toInteger(index);
+ return integer < 0 ? max(integer + length, 0) : min(integer, length);
+};
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports) {
+
+module.exports = [
+ 'constructor',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'toLocaleString',
+ 'toString',
+ 'valueOf'
+];
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports) {
+
+exports.f = Object.getOwnPropertySymbols;
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var replacement = /#|\.prototype\./;
+var isForced = function (feature, detection) {
+ var value = data[normalize(feature)];
+ return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
+};
+var normalize = isForced.normalize = function (string) {
+ return String(string).replace(replacement, '.').toLowerCase();
+};
+var data = isForced.data = {};
+var NATIVE = isForced.NATIVE = 'N';
+var POLYFILL = isForced.POLYFILL = 'P';
+module.exports = isForced;
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(54);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'startsWith');
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var toLength = __w_pdfjs_require__(47);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+var IS_PURE = __w_pdfjs_require__(37);
+var nativeStartsWith = ''.startsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ startsWith: function startsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+  var search = String(searchString);
+  return nativeStartsWith ? nativeStartsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
+ }
+});
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isRegExp = __w_pdfjs_require__(56);
+module.exports = function (it) {
+ if (isRegExp(it)) {
+  throw TypeError("The method doesn't accept regular expressions");
+ }
+ return it;
+};
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var classof = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (it) {
+ var isRegExp;
+ return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
+};
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var shared = __w_pdfjs_require__(36);
+var has = __w_pdfjs_require__(23);
+var uid = __w_pdfjs_require__(38);
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(59);
+var WellKnownSymbolsStore = shared('wks');
+var Symbol = global.Symbol;
+var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
+module.exports = function (name) {
+ if (!has(WellKnownSymbolsStore, name)) {
+  if (NATIVE_SYMBOL && has(Symbol, name))
+   WellKnownSymbolsStore[name] = Symbol[name];
+  else
+   WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
+ }
+ return WellKnownSymbolsStore[name];
+};
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
+ return !String(Symbol());
+});
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+module.exports = NATIVE_SYMBOL && !Symbol.sham && typeof Symbol.iterator == 'symbol';
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (METHOD_NAME) {
+ var regexp = /./;
+ try {
+  '/./'[METHOD_NAME](regexp);
+ } catch (e) {
+  try {
+   regexp[MATCH] = false;
+   return '/./'[METHOD_NAME](regexp);
+  } catch (f) {
+  }
+ }
+ return false;
+};
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var bind = __w_pdfjs_require__(62);
+var call = Function.call;
+module.exports = function (CONSTRUCTOR, METHOD, length) {
+ return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);
+};
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var aFunction = __w_pdfjs_require__(63);
+module.exports = function (fn, that, length) {
+ aFunction(fn);
+ if (that === undefined)
+  return fn;
+ switch (length) {
+ case 0:
+  return function () {
+   return fn.call(that);
+  };
+ case 1:
+  return function (a) {
+   return fn.call(that, a);
+  };
+ case 2:
+  return function (a, b) {
+   return fn.call(that, a, b);
+  };
+ case 3:
+  return function (a, b, c) {
+   return fn.call(that, a, b, c);
+  };
+ }
+ return function () {
+  return fn.apply(that, arguments);
+ };
+};
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (typeof it != 'function') {
+  throw TypeError(String(it) + ' is not a function');
+ }
+ return it;
+};
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(65);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'endsWith');
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var toLength = __w_pdfjs_require__(47);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+var IS_PURE = __w_pdfjs_require__(37);
+var nativeEndsWith = ''.endsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ endsWith: function endsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+  var len = toLength(that.length);
+  var end = endPosition === undefined ? len : min(toLength(endPosition), len);
+  var search = String(searchString);
+  return nativeEndsWith ? nativeEndsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
+ }
+});
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(67);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'includes');
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+$({
+ target: 'String',
+ proto: true,
+ forced: !correctIsRegExpLogic('includes')
+}, {
+ includes: function includes(searchString) {
+  return !!~String(requireObjectCoercible(this)).indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(69);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('Array', 'includes');
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $includes = __w_pdfjs_require__(46).includes;
+var addToUnscopables = __w_pdfjs_require__(70);
+var arrayMethodUsesToLength = __w_pdfjs_require__(75);
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+ ACCESSORS: true,
+ 1: 0
+});
+$({
+ target: 'Array',
+ proto: true,
+ forced: !USES_TO_LENGTH
+}, {
+ includes: function includes(el) {
+  return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+addToUnscopables('includes');
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var create = __w_pdfjs_require__(71);
+var definePropertyModule = __w_pdfjs_require__(27);
+var UNSCOPABLES = wellKnownSymbol('unscopables');
+var ArrayPrototype = Array.prototype;
+if (ArrayPrototype[UNSCOPABLES] == undefined) {
+ definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
+  configurable: true,
+  value: create(null)
+ });
+}
+module.exports = function (key) {
+ ArrayPrototype[UNSCOPABLES][key] = true;
+};
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var defineProperties = __w_pdfjs_require__(72);
+var enumBugKeys = __w_pdfjs_require__(50);
+var hiddenKeys = __w_pdfjs_require__(39);
+var html = __w_pdfjs_require__(74);
+var documentCreateElement = __w_pdfjs_require__(25);
+var sharedKey = __w_pdfjs_require__(35);
+var GT = '>';
+var LT = '<';
+var PROTOTYPE = 'prototype';
+var SCRIPT = 'script';
+var IE_PROTO = sharedKey('IE_PROTO');
+var EmptyConstructor = function () {
+};
+var scriptTag = function (content) {
+ return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
+};
+var NullProtoObjectViaActiveX = function (activeXDocument) {
+ activeXDocument.write(scriptTag(''));
+ activeXDocument.close();
+ var temp = activeXDocument.parentWindow.Object;
+ activeXDocument = null;
+ return temp;
+};
+var NullProtoObjectViaIFrame = function () {
+ var iframe = documentCreateElement('iframe');
+ var JS = 'java' + SCRIPT + ':';
+ var iframeDocument;
+ iframe.style.display = 'none';
+ html.appendChild(iframe);
+ iframe.src = String(JS);
+ iframeDocument = iframe.contentWindow.document;
+ iframeDocument.open();
+ iframeDocument.write(scriptTag('document.F=Object'));
+ iframeDocument.close();
+ return iframeDocument.F;
+};
+var activeXDocument;
+var NullProtoObject = function () {
+ try {
+  activeXDocument = document.domain && new ActiveXObject('htmlfile');
+ } catch (error) {
+ }
+ NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
+ var length = enumBugKeys.length;
+ while (length--)
+  delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
+ return NullProtoObject();
+};
+hiddenKeys[IE_PROTO] = true;
+module.exports = Object.create || function create(O, Properties) {
+ var result;
+ if (O !== null) {
+  EmptyConstructor[PROTOTYPE] = anObject(O);
+  result = new EmptyConstructor();
+  EmptyConstructor[PROTOTYPE] = null;
+  result[IE_PROTO] = O;
+ } else
+  result = NullProtoObject();
+ return Properties === undefined ? result : defineProperties(result, Properties);
+};
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var definePropertyModule = __w_pdfjs_require__(27);
+var anObject = __w_pdfjs_require__(28);
+var objectKeys = __w_pdfjs_require__(73);
+module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
+ anObject(O);
+ var keys = objectKeys(Properties);
+ var length = keys.length;
+ var index = 0;
+ var key;
+ while (length > index)
+  definePropertyModule.f(O, key = keys[index++], Properties[key]);
+ return O;
+};
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(45);
+var enumBugKeys = __w_pdfjs_require__(50);
+module.exports = Object.keys || function keys(O) {
+ return internalObjectKeys(O, enumBugKeys);
+};
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+module.exports = getBuiltIn('document', 'documentElement');
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var has = __w_pdfjs_require__(23);
+var defineProperty = Object.defineProperty;
+var cache = {};
+var thrower = function (it) {
+ throw it;
+};
+module.exports = function (METHOD_NAME, options) {
+ if (has(cache, METHOD_NAME))
+  return cache[METHOD_NAME];
+ if (!options)
+  options = {};
+ var method = [][METHOD_NAME];
+ var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
+ var argument0 = has(options, 0) ? options[0] : thrower;
+ var argument1 = has(options, 1) ? options[1] : undefined;
+ return cache[METHOD_NAME] = !!method && !fails(function () {
+  if (ACCESSORS && !DESCRIPTORS)
+   return true;
+  var O = { length: -1 };
+  if (ACCESSORS)
+   defineProperty(O, 1, {
+    enumerable: true,
+    get: thrower
+   });
+  else
+   O[1] = 1;
+  method.call(O, argument0, argument1);
+ });
+};
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(89);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Array.from;
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var charAt = __w_pdfjs_require__(78).charAt;
+var InternalStateModule = __w_pdfjs_require__(33);
+var defineIterator = __w_pdfjs_require__(79);
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
+defineIterator(String, 'String', function (iterated) {
+ setInternalState(this, {
+  type: STRING_ITERATOR,
+  string: String(iterated),
+  index: 0
+ });
+}, function next() {
+ var state = getInternalState(this);
+ var string = state.string;
+ var index = state.index;
+ var point;
+ if (index >= string.length)
+  return {
+   value: undefined,
+   done: true
+  };
+ point = charAt(string, index);
+ state.index += point.length;
+ return {
+  value: point,
+  done: false
+ };
+});
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var createMethod = function (CONVERT_TO_STRING) {
+ return function ($this, pos) {
+  var S = String(requireObjectCoercible($this));
+  var position = toInteger(pos);
+  var size = S.length;
+  var first, second;
+  if (position < 0 || position >= size)
+   return CONVERT_TO_STRING ? '' : undefined;
+  first = S.charCodeAt(position);
+  return first < 0xD800 || first > 0xDBFF || position + 1 === size || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF ? CONVERT_TO_STRING ? S.charAt(position) : first : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
+ };
+};
+module.exports = {
+ codeAt: createMethod(false),
+ charAt: createMethod(true)
+};
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var createIteratorConstructor = __w_pdfjs_require__(80);
+var getPrototypeOf = __w_pdfjs_require__(82);
+var setPrototypeOf = __w_pdfjs_require__(87);
+var setToStringTag = __w_pdfjs_require__(85);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var Iterators = __w_pdfjs_require__(86);
+var IteratorsCore = __w_pdfjs_require__(81);
+var IteratorPrototype = IteratorsCore.IteratorPrototype;
+var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
+var ITERATOR = wellKnownSymbol('iterator');
+var KEYS = 'keys';
+var VALUES = 'values';
+var ENTRIES = 'entries';
+var returnThis = function () {
+ return this;
+};
+module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
+ createIteratorConstructor(IteratorConstructor, NAME, next);
+ var getIterationMethod = function (KIND) {
+  if (KIND === DEFAULT && defaultIterator)
+   return defaultIterator;
+  if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype)
+   return IterablePrototype[KIND];
+  switch (KIND) {
+  case KEYS:
+   return function keys() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case VALUES:
+   return function values() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case ENTRIES:
+   return function entries() {
+    return new IteratorConstructor(this, KIND);
+   };
+  }
+  return function () {
+   return new IteratorConstructor(this);
+  };
+ };
+ var TO_STRING_TAG = NAME + ' Iterator';
+ var INCORRECT_VALUES_NAME = false;
+ var IterablePrototype = Iterable.prototype;
+ var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
+ var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
+ var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
+ var CurrentIteratorPrototype, methods, KEY;
+ if (anyNativeIterator) {
+  CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
+  if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
+   if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
+    if (setPrototypeOf) {
+     setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
+    } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
+     createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
+    }
+   }
+   setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
+   if (IS_PURE)
+    Iterators[TO_STRING_TAG] = returnThis;
+  }
+ }
+ if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
+  INCORRECT_VALUES_NAME = true;
+  defaultIterator = function values() {
+   return nativeIterator.call(this);
+  };
+ }
+ if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
+  createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
+ }
+ Iterators[NAME] = defaultIterator;
+ if (DEFAULT) {
+  methods = {
+   values: getIterationMethod(VALUES),
+   keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
+   entries: getIterationMethod(ENTRIES)
+  };
+  if (FORCED)
+   for (KEY in methods) {
+    if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
+     redefine(IterablePrototype, KEY, methods[KEY]);
+    }
+   }
+  else
+   $({
+    target: NAME,
+    proto: true,
+    forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
+   }, methods);
+ }
+ return methods;
+};
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var IteratorPrototype = __w_pdfjs_require__(81).IteratorPrototype;
+var create = __w_pdfjs_require__(71);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var setToStringTag = __w_pdfjs_require__(85);
+var Iterators = __w_pdfjs_require__(86);
+var returnThis = function () {
+ return this;
+};
+module.exports = function (IteratorConstructor, NAME, next) {
+ var TO_STRING_TAG = NAME + ' Iterator';
+ IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
+ setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
+ Iterators[TO_STRING_TAG] = returnThis;
+ return IteratorConstructor;
+};
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getPrototypeOf = __w_pdfjs_require__(82);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var has = __w_pdfjs_require__(23);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var ITERATOR = wellKnownSymbol('iterator');
+var BUGGY_SAFARI_ITERATORS = false;
+var returnThis = function () {
+ return this;
+};
+var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
+if ([].keys) {
+ arrayIterator = [].keys();
+ if (!('next' in arrayIterator))
+  BUGGY_SAFARI_ITERATORS = true;
+ else {
+  PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
+  if (PrototypeOfArrayIteratorPrototype !== Object.prototype)
+   IteratorPrototype = PrototypeOfArrayIteratorPrototype;
+ }
+}
+if (IteratorPrototype == undefined)
+ IteratorPrototype = {};
+if (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {
+ createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
+}
+module.exports = {
+ IteratorPrototype: IteratorPrototype,
+ BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
+};
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var toObject = __w_pdfjs_require__(83);
+var sharedKey = __w_pdfjs_require__(35);
+var CORRECT_PROTOTYPE_GETTER = __w_pdfjs_require__(84);
+var IE_PROTO = sharedKey('IE_PROTO');
+var ObjectPrototype = Object.prototype;
+module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
+ O = toObject(O);
+ if (has(O, IE_PROTO))
+  return O[IE_PROTO];
+ if (typeof O.constructor == 'function' && O instanceof O.constructor) {
+  return O.constructor.prototype;
+ }
+ return O instanceof Object ? ObjectPrototype : null;
+};
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = function (argument) {
+ return Object(requireObjectCoercible(argument));
+};
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ function F() {
+ }
+ F.prototype.constructor = null;
+ return Object.getPrototypeOf(new F()) !== F.prototype;
+});
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineProperty = __w_pdfjs_require__(27).f;
+var has = __w_pdfjs_require__(23);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+module.exports = function (it, TAG, STATIC) {
+ if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
+  defineProperty(it, TO_STRING_TAG, {
+   configurable: true,
+   value: TAG
+  });
+ }
+};
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var aPossiblePrototype = __w_pdfjs_require__(88);
+module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
+ var CORRECT_SETTER = false;
+ var test = {};
+ var setter;
+ try {
+  setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
+  setter.call(test, []);
+  CORRECT_SETTER = test instanceof Array;
+ } catch (error) {
+ }
+ return function setPrototypeOf(O, proto) {
+  anObject(O);
+  aPossiblePrototype(proto);
+  if (CORRECT_SETTER)
+   setter.call(O, proto);
+  else
+   O.__proto__ = proto;
+  return O;
+ };
+}() : undefined);
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (it) {
+ if (!isObject(it) && it !== null) {
+  throw TypeError("Can't set " + String(it) + ' as a prototype');
+ }
+ return it;
+};
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var from = __w_pdfjs_require__(90);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
+ Array.from(iterable);
+});
+$({
+ target: 'Array',
+ stat: true,
+ forced: INCORRECT_ITERATION
+}, { from: from });
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var bind = __w_pdfjs_require__(62);
+var toObject = __w_pdfjs_require__(83);
+var callWithSafeIterationClosing = __w_pdfjs_require__(91);
+var isArrayIteratorMethod = __w_pdfjs_require__(92);
+var toLength = __w_pdfjs_require__(47);
+var createProperty = __w_pdfjs_require__(93);
+var getIteratorMethod = __w_pdfjs_require__(94);
+module.exports = function from(arrayLike) {
+ var O = toObject(arrayLike);
+ var C = typeof this == 'function' ? this : Array;
+ var argumentsLength = arguments.length;
+ var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+ var mapping = mapfn !== undefined;
+ var iteratorMethod = getIteratorMethod(O);
+ var index = 0;
+ var length, result, step, iterator, next, value;
+ if (mapping)
+  mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
+ if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
+  iterator = iteratorMethod.call(O);
+  next = iterator.next;
+  result = new C();
+  for (; !(step = next.call(iterator)).done; index++) {
+   value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [
+    step.value,
+    index
+   ], true) : step.value;
+   createProperty(result, index, value);
+  }
+ } else {
+  length = toLength(O.length);
+  result = new C(length);
+  for (; length > index; index++) {
+   value = mapping ? mapfn(O[index], index) : O[index];
+   createProperty(result, index, value);
+  }
+ }
+ result.length = index;
+ return result;
+};
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+module.exports = function (iterator, fn, value, ENTRIES) {
+ try {
+  return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
+ } catch (error) {
+  var returnMethod = iterator['return'];
+  if (returnMethod !== undefined)
+   anObject(returnMethod.call(iterator));
+  throw error;
+ }
+};
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var Iterators = __w_pdfjs_require__(86);
+var ITERATOR = wellKnownSymbol('iterator');
+var ArrayPrototype = Array.prototype;
+module.exports = function (it) {
+ return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
+};
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toPrimitive = __w_pdfjs_require__(21);
+var definePropertyModule = __w_pdfjs_require__(27);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+module.exports = function (object, key, value) {
+ var propertyKey = toPrimitive(key);
+ if (propertyKey in object)
+  definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
+ else
+  object[propertyKey] = value;
+};
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(95);
+var Iterators = __w_pdfjs_require__(86);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = function (it) {
+ if (it != undefined)
+  return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
+};
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var classofRaw = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var CORRECT_ARGUMENTS = classofRaw(function () {
+ return arguments;
+}()) == 'Arguments';
+var tryGet = function (it, key) {
+ try {
+  return it[key];
+ } catch (error) {
+ }
+};
+module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
+ var O, tag, result;
+ return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag : CORRECT_ARGUMENTS ? classofRaw(O) : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
+};
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var test = {};
+test[TO_STRING_TAG] = 'z';
+module.exports = String(test) === '[object z]';
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+var SAFE_CLOSING = false;
+try {
+ var called = 0;
+ var iteratorWithReturn = {
+  next: function () {
+   return { done: !!called++ };
+  },
+  'return': function () {
+   SAFE_CLOSING = true;
+  }
+ };
+ iteratorWithReturn[ITERATOR] = function () {
+  return this;
+ };
+ Array.from(iteratorWithReturn, function () {
+  throw 2;
+ });
+} catch (error) {
+}
+module.exports = function (exec, SKIP_CLOSING) {
+ if (!SKIP_CLOSING && !SAFE_CLOSING)
+  return false;
+ var ITERATION_SUPPORT = false;
+ try {
+  var object = {};
+  object[ITERATOR] = function () {
+   return {
+    next: function () {
+     return { done: ITERATION_SUPPORT = true };
+    }
+   };
+  };
+  exec(object);
+ } catch (error) {
+ }
+ return ITERATION_SUPPORT;
+};
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(99);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.assign;
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var assign = __w_pdfjs_require__(100);
+$({
+ target: 'Object',
+ stat: true,
+ forced: Object.assign !== assign
+}, { assign: assign });
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var objectKeys = __w_pdfjs_require__(73);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var toObject = __w_pdfjs_require__(83);
+var IndexedObject = __w_pdfjs_require__(18);
+var nativeAssign = Object.assign;
+var defineProperty = Object.defineProperty;
+module.exports = !nativeAssign || fails(function () {
+ if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {
+   enumerable: true,
+   get: function () {
+    defineProperty(this, 'b', {
+     value: 3,
+     enumerable: false
+    });
+   }
+  }), { b: 2 })).b !== 1)
+  return true;
+ var A = {};
+ var B = {};
+ var symbol = Symbol();
+ var alphabet = 'abcdefghijklmnopqrst';
+ A[symbol] = 7;
+ alphabet.split('').forEach(function (chr) {
+  B[chr] = chr;
+ });
+ return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
+}) ? function assign(target, source) {
+ var T = toObject(target);
+ var argumentsLength = arguments.length;
+ var index = 1;
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ var propertyIsEnumerable = propertyIsEnumerableModule.f;
+ while (argumentsLength > index) {
+  var S = IndexedObject(arguments[index++]);
+  var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
+  var length = keys.length;
+  var j = 0;
+  var key;
+  while (length > j) {
+   key = keys[j++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(S, key))
+    T[key] = S[key];
+  }
+ }
+ return T;
+} : nativeAssign;
+
+/***/ }),
+/* 101 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(102);
+__w_pdfjs_require__(103);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.fromEntries;
+
+/***/ }),
+/* 102 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var addToUnscopables = __w_pdfjs_require__(70);
+var Iterators = __w_pdfjs_require__(86);
+var InternalStateModule = __w_pdfjs_require__(33);
+var defineIterator = __w_pdfjs_require__(79);
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+ setInternalState(this, {
+  type: ARRAY_ITERATOR,
+  target: toIndexedObject(iterated),
+  index: 0,
+  kind: kind
+ });
+}, function () {
+ var state = getInternalState(this);
+ var target = state.target;
+ var kind = state.kind;
+ var index = state.index++;
+ if (!target || index >= target.length) {
+  state.target = undefined;
+  return {
+   value: undefined,
+   done: true
+  };
+ }
+ if (kind == 'keys')
+  return {
+   value: index,
+   done: false
+  };
+ if (kind == 'values')
+  return {
+   value: target[index],
+   done: false
+  };
+ return {
+  value: [
+   index,
+   target[index]
+  ],
+  done: false
+ };
+}, 'values');
+Iterators.Arguments = Iterators.Array;
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
+
+/***/ }),
+/* 103 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var iterate = __w_pdfjs_require__(104);
+var createProperty = __w_pdfjs_require__(93);
+$({
+ target: 'Object',
+ stat: true
+}, {
+ fromEntries: function fromEntries(iterable) {
+  var obj = {};
+  iterate(iterable, function (k, v) {
+   createProperty(obj, k, v);
+  }, undefined, true);
+  return obj;
+ }
+});
+
+/***/ }),
+/* 104 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var isArrayIteratorMethod = __w_pdfjs_require__(92);
+var toLength = __w_pdfjs_require__(47);
+var bind = __w_pdfjs_require__(62);
+var getIteratorMethod = __w_pdfjs_require__(94);
+var callWithSafeIterationClosing = __w_pdfjs_require__(91);
+var Result = function (stopped, result) {
+ this.stopped = stopped;
+ this.result = result;
+};
+var iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
+ var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);
+ var iterator, iterFn, index, length, result, next, step;
+ if (IS_ITERATOR) {
+  iterator = iterable;
+ } else {
+  iterFn = getIteratorMethod(iterable);
+  if (typeof iterFn != 'function')
+   throw TypeError('Target is not iterable');
+  if (isArrayIteratorMethod(iterFn)) {
+   for (index = 0, length = toLength(iterable.length); length > index; index++) {
+    result = AS_ENTRIES ? boundFunction(anObject(step = iterable[index])[0], step[1]) : boundFunction(iterable[index]);
+    if (result && result instanceof Result)
+     return result;
+   }
+   return new Result(false);
+  }
+  iterator = iterFn.call(iterable);
+ }
+ next = iterator.next;
+ while (!(step = next.call(iterator)).done) {
+  result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
+  if (typeof result == 'object' && result && result instanceof Result)
+   return result;
+ }
+ return new Result(false);
+};
+iterate.stop = function (result) {
+ return new Result(true, result);
+};
+
+/***/ }),
+/* 105 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(106);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Math.log2;
+
+/***/ }),
+/* 106 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var log = Math.log;
+var LN2 = Math.LN2;
+$({
+ target: 'Math',
+ stat: true
+}, {
+ log2: function log2(x) {
+  return log(x) / LN2;
+ }
+});
+
+/***/ }),
+/* 107 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(108);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Number.isNaN;
+
+/***/ }),
+/* 108 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+$({
+ target: 'Number',
+ stat: true
+}, {
+ isNaN: function isNaN(number) {
+  return number != number;
+ }
+});
+
+/***/ }),
+/* 109 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(110);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Number.isInteger;
+
+/***/ }),
+/* 110 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var isInteger = __w_pdfjs_require__(111);
+$({
+ target: 'Number',
+ stat: true
+}, { isInteger: isInteger });
+
+/***/ }),
+/* 111 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var floor = Math.floor;
+module.exports = function isInteger(it) {
+ return !isObject(it) && isFinite(it) && floor(it) === it;
+};
+
+/***/ }),
+/* 112 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(113);
+
+/***/ }),
+/* 113 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var ArrayBufferViewCore = __w_pdfjs_require__(114);
+var speciesConstructor = __w_pdfjs_require__(116);
+var fails = __w_pdfjs_require__(14);
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $slice = [].slice;
+var FORCED = fails(function () {
+ new Int8Array(1).slice();
+});
+exportTypedArrayMethod('slice', function slice(start, end) {
+ var list = $slice.call(aTypedArray(this), start, end);
+ var C = speciesConstructor(this, this.constructor);
+ var index = 0;
+ var length = list.length;
+ var result = new (aTypedArrayConstructor(C))(length);
+ while (length > index)
+  result[index] = list[index++];
+ return result;
+}, FORCED);
+
+/***/ }),
+/* 114 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var NATIVE_ARRAY_BUFFER = __w_pdfjs_require__(115);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(23);
+var classof = __w_pdfjs_require__(95);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var defineProperty = __w_pdfjs_require__(27).f;
+var getPrototypeOf = __w_pdfjs_require__(82);
+var setPrototypeOf = __w_pdfjs_require__(87);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var uid = __w_pdfjs_require__(38);
+var Int8Array = global.Int8Array;
+var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
+var Uint8ClampedArray = global.Uint8ClampedArray;
+var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
+var TypedArray = Int8Array && getPrototypeOf(Int8Array);
+var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
+var ObjectPrototype = Object.prototype;
+var isPrototypeOf = ObjectPrototype.isPrototypeOf;
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
+var NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';
+var TYPED_ARRAY_TAG_REQIRED = false;
+var NAME;
+var TypedArrayConstructorsList = {
+ Int8Array: 1,
+ Uint8Array: 1,
+ Uint8ClampedArray: 1,
+ Int16Array: 2,
+ Uint16Array: 2,
+ Int32Array: 4,
+ Uint32Array: 4,
+ Float32Array: 4,
+ Float64Array: 8
+};
+var isView = function isView(it) {
+ var klass = classof(it);
+ return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
+};
+var isTypedArray = function (it) {
+ return isObject(it) && has(TypedArrayConstructorsList, classof(it));
+};
+var aTypedArray = function (it) {
+ if (isTypedArray(it))
+  return it;
+ throw TypeError('Target is not a typed array');
+};
+var aTypedArrayConstructor = function (C) {
+ if (setPrototypeOf) {
+  if (isPrototypeOf.call(TypedArray, C))
+   return C;
+ } else
+  for (var ARRAY in TypedArrayConstructorsList)
+   if (has(TypedArrayConstructorsList, NAME)) {
+    var TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
+     return C;
+    }
+   }
+ throw TypeError('Target is not a typed array constructor');
+};
+var exportTypedArrayMethod = function (KEY, property, forced) {
+ if (!DESCRIPTORS)
+  return;
+ if (forced)
+  for (var ARRAY in TypedArrayConstructorsList) {
+   var TypedArrayConstructor = global[ARRAY];
+   if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
+    delete TypedArrayConstructor.prototype[KEY];
+   }
+  }
+ if (!TypedArrayPrototype[KEY] || forced) {
+  redefine(TypedArrayPrototype, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
+ }
+};
+var exportTypedArrayStaticMethod = function (KEY, property, forced) {
+ var ARRAY, TypedArrayConstructor;
+ if (!DESCRIPTORS)
+  return;
+ if (setPrototypeOf) {
+  if (forced)
+   for (ARRAY in TypedArrayConstructorsList) {
+    TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
+     delete TypedArrayConstructor[KEY];
+    }
+   }
+  if (!TypedArray[KEY] || forced) {
+   try {
+    return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);
+   } catch (error) {
+   }
+  } else
+   return;
+ }
+ for (ARRAY in TypedArrayConstructorsList) {
+  TypedArrayConstructor = global[ARRAY];
+  if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
+   redefine(TypedArrayConstructor, KEY, property);
+  }
+ }
+};
+for (NAME in TypedArrayConstructorsList) {
+ if (!global[NAME])
+  NATIVE_ARRAY_BUFFER_VIEWS = false;
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
+ TypedArray = function TypedArray() {
+  throw TypeError('Incorrect invocation');
+ };
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME], TypedArray);
+  }
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {
+ TypedArrayPrototype = TypedArray.prototype;
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);
+  }
+}
+if (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
+ setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
+}
+if (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {
+ TYPED_ARRAY_TAG_REQIRED = true;
+ defineProperty(TypedArrayPrototype, TO_STRING_TAG, {
+  get: function () {
+   return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
+  }
+ });
+ for (NAME in TypedArrayConstructorsList)
+  if (global[NAME]) {
+   createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);
+  }
+}
+module.exports = {
+ NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
+ TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
+ aTypedArray: aTypedArray,
+ aTypedArrayConstructor: aTypedArrayConstructor,
+ exportTypedArrayMethod: exportTypedArrayMethod,
+ exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
+ isView: isView,
+ isTypedArray: isTypedArray,
+ TypedArray: TypedArray,
+ TypedArrayPrototype: TypedArrayPrototype
+};
+
+/***/ }),
+/* 115 */
+/***/ (function(module, exports) {
+
+module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';
+
+/***/ }),
+/* 116 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var aFunction = __w_pdfjs_require__(63);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (O, defaultConstructor) {
+ var C = anObject(O).constructor;
+ var S;
+ return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
+};
+
+/***/ }),
+/* 117 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+__w_pdfjs_require__(122);
+__w_pdfjs_require__(136);
+__w_pdfjs_require__(137);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Promise;
+
+/***/ }),
+/* 118 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var redefine = __w_pdfjs_require__(29);
+var toString = __w_pdfjs_require__(119);
+if (!TO_STRING_TAG_SUPPORT) {
+ redefine(Object.prototype, 'toString', toString, { unsafe: true });
+}
+
+/***/ }),
+/* 119 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var classof = __w_pdfjs_require__(95);
+module.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {
+ return '[object ' + classof(this) + ']';
+};
+
+/***/ }),
+/* 120 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var DOMIterables = __w_pdfjs_require__(121);
+var ArrayIteratorMethods = __w_pdfjs_require__(102);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+for (var COLLECTION_NAME in DOMIterables) {
+ var Collection = global[COLLECTION_NAME];
+ var CollectionPrototype = Collection && Collection.prototype;
+ if (CollectionPrototype) {
+  if (CollectionPrototype[ITERATOR] !== ArrayValues)
+   try {
+    createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
+   } catch (error) {
+    CollectionPrototype[ITERATOR] = ArrayValues;
+   }
+  if (!CollectionPrototype[TO_STRING_TAG]) {
+   createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+  }
+  if (DOMIterables[COLLECTION_NAME])
+   for (var METHOD_NAME in ArrayIteratorMethods) {
+    if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME])
+     try {
+      createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
+     } catch (error) {
+      CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
+     }
+   }
+ }
+}
+
+/***/ }),
+/* 121 */
+/***/ (function(module, exports) {
+
+module.exports = {
+ CSSRuleList: 0,
+ CSSStyleDeclaration: 0,
+ CSSValueList: 0,
+ ClientRectList: 0,
+ DOMRectList: 0,
+ DOMStringList: 0,
+ DOMTokenList: 1,
+ DataTransferItemList: 0,
+ FileList: 0,
+ HTMLAllCollection: 0,
+ HTMLCollection: 0,
+ HTMLFormElement: 0,
+ HTMLSelectElement: 0,
+ MediaList: 0,
+ MimeTypeArray: 0,
+ NamedNodeMap: 0,
+ NodeList: 1,
+ PaintRequestList: 0,
+ Plugin: 0,
+ PluginArray: 0,
+ SVGLengthList: 0,
+ SVGNumberList: 0,
+ SVGPathSegList: 0,
+ SVGPointList: 0,
+ SVGStringList: 0,
+ SVGTransformList: 0,
+ SourceBufferList: 0,
+ StyleSheetList: 0,
+ TextTrackCueList: 0,
+ TextTrackList: 0,
+ TouchList: 0
+};
+
+/***/ }),
+/* 122 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var IS_PURE = __w_pdfjs_require__(37);
+var global = __w_pdfjs_require__(11);
+var getBuiltIn = __w_pdfjs_require__(42);
+var NativePromise = __w_pdfjs_require__(123);
+var redefine = __w_pdfjs_require__(29);
+var redefineAll = __w_pdfjs_require__(124);
+var setToStringTag = __w_pdfjs_require__(85);
+var setSpecies = __w_pdfjs_require__(125);
+var isObject = __w_pdfjs_require__(22);
+var aFunction = __w_pdfjs_require__(63);
+var anInstance = __w_pdfjs_require__(126);
+var classof = __w_pdfjs_require__(19);
+var inspectSource = __w_pdfjs_require__(31);
+var iterate = __w_pdfjs_require__(104);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var speciesConstructor = __w_pdfjs_require__(116);
+var task = __w_pdfjs_require__(127).set;
+var microtask = __w_pdfjs_require__(130);
+var promiseResolve = __w_pdfjs_require__(131);
+var hostReportErrors = __w_pdfjs_require__(133);
+var newPromiseCapabilityModule = __w_pdfjs_require__(132);
+var perform = __w_pdfjs_require__(134);
+var InternalStateModule = __w_pdfjs_require__(33);
+var isForced = __w_pdfjs_require__(52);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var SPECIES = wellKnownSymbol('species');
+var PROMISE = 'Promise';
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var getInternalPromiseState = InternalStateModule.getterFor(PROMISE);
+var PromiseConstructor = NativePromise;
+var TypeError = global.TypeError;
+var document = global.document;
+var process = global.process;
+var $fetch = getBuiltIn('fetch');
+var newPromiseCapability = newPromiseCapabilityModule.f;
+var newGenericPromiseCapability = newPromiseCapability;
+var IS_NODE = classof(process) == 'process';
+var DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);
+var UNHANDLED_REJECTION = 'unhandledrejection';
+var REJECTION_HANDLED = 'rejectionhandled';
+var PENDING = 0;
+var FULFILLED = 1;
+var REJECTED = 2;
+var HANDLED = 1;
+var UNHANDLED = 2;
+var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;
+var FORCED = isForced(PROMISE, function () {
+ var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
+ if (!GLOBAL_CORE_JS_PROMISE) {
+  if (V8_VERSION === 66)
+   return true;
+  if (!IS_NODE && typeof PromiseRejectionEvent != 'function')
+   return true;
+ }
+ if (IS_PURE && !PromiseConstructor.prototype['finally'])
+  return true;
+ if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor))
+  return false;
+ var promise = PromiseConstructor.resolve(1);
+ var FakePromise = function (exec) {
+  exec(function () {
+  }, function () {
+  });
+ };
+ var constructor = promise.constructor = {};
+ constructor[SPECIES] = FakePromise;
+ return !(promise.then(function () {
+ }) instanceof FakePromise);
+});
+var INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {
+ PromiseConstructor.all(iterable)['catch'](function () {
+ });
+});
+var isThenable = function (it) {
+ var then;
+ return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
+};
+var notify = function (promise, state, isReject) {
+ if (state.notified)
+  return;
+ state.notified = true;
+ var chain = state.reactions;
+ microtask(function () {
+  var value = state.value;
+  var ok = state.state == FULFILLED;
+  var index = 0;
+  while (chain.length > index) {
+   var reaction = chain[index++];
+   var handler = ok ? reaction.ok : reaction.fail;
+   var resolve = reaction.resolve;
+   var reject = reaction.reject;
+   var domain = reaction.domain;
+   var result, then, exited;
+   try {
+    if (handler) {
+     if (!ok) {
+      if (state.rejection === UNHANDLED)
+       onHandleUnhandled(promise, state);
+      state.rejection = HANDLED;
+     }
+     if (handler === true)
+      result = value;
+     else {
+      if (domain)
+       domain.enter();
+      result = handler(value);
+      if (domain) {
+       domain.exit();
+       exited = true;
+      }
+     }
+     if (result === reaction.promise) {
+      reject(TypeError('Promise-chain cycle'));
+     } else if (then = isThenable(result)) {
+      then.call(result, resolve, reject);
+     } else
+      resolve(result);
+    } else
+     reject(value);
+   } catch (error) {
+    if (domain && !exited)
+     domain.exit();
+    reject(error);
+   }
+  }
+  state.reactions = [];
+  state.notified = false;
+  if (isReject && !state.rejection)
+   onUnhandled(promise, state);
+ });
+};
+var dispatchEvent = function (name, promise, reason) {
+ var event, handler;
+ if (DISPATCH_EVENT) {
+  event = document.createEvent('Event');
+  event.promise = promise;
+  event.reason = reason;
+  event.initEvent(name, false, true);
+  global.dispatchEvent(event);
+ } else
+  event = {
+   promise: promise,
+   reason: reason
+  };
+ if (handler = global['on' + name])
+  handler(event);
+ else if (name === UNHANDLED_REJECTION)
+  hostReportErrors('Unhandled promise rejection', reason);
+};
+var onUnhandled = function (promise, state) {
+ task.call(global, function () {
+  var value = state.value;
+  var IS_UNHANDLED = isUnhandled(state);
+  var result;
+  if (IS_UNHANDLED) {
+   result = perform(function () {
+    if (IS_NODE) {
+     process.emit('unhandledRejection', value, promise);
+    } else
+     dispatchEvent(UNHANDLED_REJECTION, promise, value);
+   });
+   state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;
+   if (result.error)
+    throw result.value;
+  }
+ });
+};
+var isUnhandled = function (state) {
+ return state.rejection !== HANDLED && !state.parent;
+};
+var onHandleUnhandled = function (promise, state) {
+ task.call(global, function () {
+  if (IS_NODE) {
+   process.emit('rejectionHandled', promise);
+  } else
+   dispatchEvent(REJECTION_HANDLED, promise, state.value);
+ });
+};
+var bind = function (fn, promise, state, unwrap) {
+ return function (value) {
+  fn(promise, state, value, unwrap);
+ };
+};
+var internalReject = function (promise, state, value, unwrap) {
+ if (state.done)
+  return;
+ state.done = true;
+ if (unwrap)
+  state = unwrap;
+ state.value = value;
+ state.state = REJECTED;
+ notify(promise, state, true);
+};
+var internalResolve = function (promise, state, value, unwrap) {
+ if (state.done)
+  return;
+ state.done = true;
+ if (unwrap)
+  state = unwrap;
+ try {
+  if (promise === value)
+   throw TypeError("Promise can't be resolved itself");
+  var then = isThenable(value);
+  if (then) {
+   microtask(function () {
+    var wrapper = { done: false };
+    try {
+     then.call(value, bind(internalResolve, promise, wrapper, state), bind(internalReject, promise, wrapper, state));
+    } catch (error) {
+     internalReject(promise, wrapper, error, state);
+    }
+   });
+  } else {
+   state.value = value;
+   state.state = FULFILLED;
+   notify(promise, state, false);
+  }
+ } catch (error) {
+  internalReject(promise, { done: false }, error, state);
+ }
+};
+if (FORCED) {
+ PromiseConstructor = function Promise(executor) {
+  anInstance(this, PromiseConstructor, PROMISE);
+  aFunction(executor);
+  Internal.call(this);
+  var state = getInternalState(this);
+  try {
+   executor(bind(internalResolve, this, state), bind(internalReject, this, state));
+  } catch (error) {
+   internalReject(this, state, error);
+  }
+ };
+ Internal = function Promise(executor) {
+  setInternalState(this, {
+   type: PROMISE,
+   done: false,
+   notified: false,
+   parent: false,
+   reactions: [],
+   rejection: false,
+   state: PENDING,
+   value: undefined
+  });
+ };
+ Internal.prototype = redefineAll(PromiseConstructor.prototype, {
+  then: function then(onFulfilled, onRejected) {
+   var state = getInternalPromiseState(this);
+   var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));
+   reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
+   reaction.fail = typeof onRejected == 'function' && onRejected;
+   reaction.domain = IS_NODE ? process.domain : undefined;
+   state.parent = true;
+   state.reactions.push(reaction);
+   if (state.state != PENDING)
+    notify(this, state, false);
+   return reaction.promise;
+  },
+  'catch': function (onRejected) {
+   return this.then(undefined, onRejected);
+  }
+ });
+ OwnPromiseCapability = function () {
+  var promise = new Internal();
+  var state = getInternalState(promise);
+  this.promise = promise;
+  this.resolve = bind(internalResolve, promise, state);
+  this.reject = bind(internalReject, promise, state);
+ };
+ newPromiseCapabilityModule.f = newPromiseCapability = function (C) {
+  return C === PromiseConstructor || C === PromiseWrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
+ };
+ if (!IS_PURE && typeof NativePromise == 'function') {
+  nativeThen = NativePromise.prototype.then;
+  redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {
+   var that = this;
+   return new PromiseConstructor(function (resolve, reject) {
+    nativeThen.call(that, resolve, reject);
+   }).then(onFulfilled, onRejected);
+  }, { unsafe: true });
+  if (typeof $fetch == 'function')
+   $({
+    global: true,
+    enumerable: true,
+    forced: true
+   }, {
+    fetch: function fetch(input) {
+     return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));
+    }
+   });
+ }
+}
+$({
+ global: true,
+ wrap: true,
+ forced: FORCED
+}, { Promise: PromiseConstructor });
+setToStringTag(PromiseConstructor, PROMISE, false, true);
+setSpecies(PROMISE);
+PromiseWrapper = getBuiltIn(PROMISE);
+$({
+ target: PROMISE,
+ stat: true,
+ forced: FORCED
+}, {
+ reject: function reject(r) {
+  var capability = newPromiseCapability(this);
+  capability.reject.call(undefined, r);
+  return capability.promise;
+ }
+});
+$({
+ target: PROMISE,
+ stat: true,
+ forced: IS_PURE || FORCED
+}, {
+ resolve: function resolve(x) {
+  return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);
+ }
+});
+$({
+ target: PROMISE,
+ stat: true,
+ forced: INCORRECT_ITERATION
+}, {
+ all: function all(iterable) {
+  var C = this;
+  var capability = newPromiseCapability(C);
+  var resolve = capability.resolve;
+  var reject = capability.reject;
+  var result = perform(function () {
+   var $promiseResolve = aFunction(C.resolve);
+   var values = [];
+   var counter = 0;
+   var remaining = 1;
+   iterate(iterable, function (promise) {
+    var index = counter++;
+    var alreadyCalled = false;
+    values.push(undefined);
+    remaining++;
+    $promiseResolve.call(C, promise).then(function (value) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = value;
+     --remaining || resolve(values);
+    }, reject);
+   });
+   --remaining || resolve(values);
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ },
+ race: function race(iterable) {
+  var C = this;
+  var capability = newPromiseCapability(C);
+  var reject = capability.reject;
+  var result = perform(function () {
+   var $promiseResolve = aFunction(C.resolve);
+   iterate(iterable, function (promise) {
+    $promiseResolve.call(C, promise).then(capability.resolve, reject);
+   });
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ }
+});
+
+/***/ }),
+/* 123 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = global.Promise;
+
+/***/ }),
+/* 124 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var redefine = __w_pdfjs_require__(29);
+module.exports = function (target, src, options) {
+ for (var key in src)
+  redefine(target, key, src[key], options);
+ return target;
+};
+
+/***/ }),
+/* 125 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getBuiltIn = __w_pdfjs_require__(42);
+var definePropertyModule = __w_pdfjs_require__(27);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (CONSTRUCTOR_NAME) {
+ var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
+ var defineProperty = definePropertyModule.f;
+ if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
+  defineProperty(Constructor, SPECIES, {
+   configurable: true,
+   get: function () {
+    return this;
+   }
+  });
+ }
+};
+
+/***/ }),
+/* 126 */
+/***/ (function(module, exports) {
+
+module.exports = function (it, Constructor, name) {
+ if (!(it instanceof Constructor)) {
+  throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
+ }
+ return it;
+};
+
+/***/ }),
+/* 127 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var fails = __w_pdfjs_require__(14);
+var classof = __w_pdfjs_require__(19);
+var bind = __w_pdfjs_require__(62);
+var html = __w_pdfjs_require__(74);
+var createElement = __w_pdfjs_require__(25);
+var IS_IOS = __w_pdfjs_require__(128);
+var location = global.location;
+var set = global.setImmediate;
+var clear = global.clearImmediate;
+var process = global.process;
+var MessageChannel = global.MessageChannel;
+var Dispatch = global.Dispatch;
+var counter = 0;
+var queue = {};
+var ONREADYSTATECHANGE = 'onreadystatechange';
+var defer, channel, port;
+var run = function (id) {
+ if (queue.hasOwnProperty(id)) {
+  var fn = queue[id];
+  delete queue[id];
+  fn();
+ }
+};
+var runner = function (id) {
+ return function () {
+  run(id);
+ };
+};
+var listener = function (event) {
+ run(event.data);
+};
+var post = function (id) {
+ global.postMessage(id + '', location.protocol + '//' + location.host);
+};
+if (!set || !clear) {
+ set = function setImmediate(fn) {
+  var args = [];
+  var i = 1;
+  while (arguments.length > i)
+   args.push(arguments[i++]);
+  queue[++counter] = function () {
+   (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
+  };
+  defer(counter);
+  return counter;
+ };
+ clear = function clearImmediate(id) {
+  delete queue[id];
+ };
+ if (classof(process) == 'process') {
+  defer = function (id) {
+   process.nextTick(runner(id));
+  };
+ } else if (Dispatch && Dispatch.now) {
+  defer = function (id) {
+   Dispatch.now(runner(id));
+  };
+ } else if (MessageChannel && !IS_IOS) {
+  channel = new MessageChannel();
+  port = channel.port2;
+  channel.port1.onmessage = listener;
+  defer = bind(port.postMessage, port, 1);
+ } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts && !fails(post) && location.protocol !== 'file:') {
+  defer = post;
+  global.addEventListener('message', listener, false);
+ } else if (ONREADYSTATECHANGE in createElement('script')) {
+  defer = function (id) {
+   html.appendChild(createElement('script'))[ONREADYSTATECHANGE] = function () {
+    html.removeChild(this);
+    run(id);
+   };
+  };
+ } else {
+  defer = function (id) {
+   setTimeout(runner(id), 0);
+  };
+ }
+}
+module.exports = {
+ set: set,
+ clear: clear
+};
+
+/***/ }),
+/* 128 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var userAgent = __w_pdfjs_require__(129);
+module.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);
+
+/***/ }),
+/* 129 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+module.exports = getBuiltIn('navigator', 'userAgent') || '';
+
+/***/ }),
+/* 130 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var classof = __w_pdfjs_require__(19);
+var macrotask = __w_pdfjs_require__(127).set;
+var IS_IOS = __w_pdfjs_require__(128);
+var MutationObserver = global.MutationObserver || global.WebKitMutationObserver;
+var process = global.process;
+var Promise = global.Promise;
+var IS_NODE = classof(process) == 'process';
+var queueMicrotaskDescriptor = getOwnPropertyDescriptor(global, 'queueMicrotask');
+var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;
+var flush, head, last, notify, toggle, node, promise, then;
+if (!queueMicrotask) {
+ flush = function () {
+  var parent, fn;
+  if (IS_NODE && (parent = process.domain))
+   parent.exit();
+  while (head) {
+   fn = head.fn;
+   head = head.next;
+   try {
+    fn();
+   } catch (error) {
+    if (head)
+     notify();
+    else
+     last = undefined;
+    throw error;
+   }
+  }
+  last = undefined;
+  if (parent)
+   parent.enter();
+ };
+ if (IS_NODE) {
+  notify = function () {
+   process.nextTick(flush);
+  };
+ } else if (MutationObserver && !IS_IOS) {
+  toggle = true;
+  node = document.createTextNode('');
+  new MutationObserver(flush).observe(node, { characterData: true });
+  notify = function () {
+   node.data = toggle = !toggle;
+  };
+ } else if (Promise && Promise.resolve) {
+  promise = Promise.resolve(undefined);
+  then = promise.then;
+  notify = function () {
+   then.call(promise, flush);
+  };
+ } else {
+  notify = function () {
+   macrotask.call(global, flush);
+  };
+ }
+}
+module.exports = queueMicrotask || function (fn) {
+ var task = {
+  fn: fn,
+  next: undefined
+ };
+ if (last)
+  last.next = task;
+ if (!head) {
+  head = task;
+  notify();
+ }
+ last = task;
+};
+
+/***/ }),
+/* 131 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var newPromiseCapability = __w_pdfjs_require__(132);
+module.exports = function (C, x) {
+ anObject(C);
+ if (isObject(x) && x.constructor === C)
+  return x;
+ var promiseCapability = newPromiseCapability.f(C);
+ var resolve = promiseCapability.resolve;
+ resolve(x);
+ return promiseCapability.promise;
+};
+
+/***/ }),
+/* 132 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var aFunction = __w_pdfjs_require__(63);
+var PromiseCapability = function (C) {
+ var resolve, reject;
+ this.promise = new C(function ($$resolve, $$reject) {
+  if (resolve !== undefined || reject !== undefined)
+   throw TypeError('Bad Promise constructor');
+  resolve = $$resolve;
+  reject = $$reject;
+ });
+ this.resolve = aFunction(resolve);
+ this.reject = aFunction(reject);
+};
+module.exports.f = function (C) {
+ return new PromiseCapability(C);
+};
+
+/***/ }),
+/* 133 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = function (a, b) {
+ var console = global.console;
+ if (console && console.error) {
+  arguments.length === 1 ? console.error(a) : console.error(a, b);
+ }
+};
+
+/***/ }),
+/* 134 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+ try {
+  return {
+   error: false,
+   value: exec()
+  };
+ } catch (error) {
+  return {
+   error: true,
+   value: error
+  };
+ }
+};
+
+/***/ }),
+/* 135 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var userAgent = __w_pdfjs_require__(129);
+var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8;
+var match, version;
+if (v8) {
+ match = v8.split('.');
+ version = match[0] + match[1];
+} else if (userAgent) {
+ match = userAgent.match(/Edge\/(\d+)/);
+ if (!match || match[1] >= 74) {
+  match = userAgent.match(/Chrome\/(\d+)/);
+  if (match)
+   version = match[1];
+ }
+}
+module.exports = version && +version;
+
+/***/ }),
+/* 136 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var aFunction = __w_pdfjs_require__(63);
+var newPromiseCapabilityModule = __w_pdfjs_require__(132);
+var perform = __w_pdfjs_require__(134);
+var iterate = __w_pdfjs_require__(104);
+$({
+ target: 'Promise',
+ stat: true
+}, {
+ allSettled: function allSettled(iterable) {
+  var C = this;
+  var capability = newPromiseCapabilityModule.f(C);
+  var resolve = capability.resolve;
+  var reject = capability.reject;
+  var result = perform(function () {
+   var promiseResolve = aFunction(C.resolve);
+   var values = [];
+   var counter = 0;
+   var remaining = 1;
+   iterate(iterable, function (promise) {
+    var index = counter++;
+    var alreadyCalled = false;
+    values.push(undefined);
+    remaining++;
+    promiseResolve.call(C, promise).then(function (value) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = {
+      status: 'fulfilled',
+      value: value
+     };
+     --remaining || resolve(values);
+    }, function (e) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = {
+      status: 'rejected',
+      reason: e
+     };
+     --remaining || resolve(values);
+    });
+   });
+   --remaining || resolve(values);
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ }
+});
+
+/***/ }),
+/* 137 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var IS_PURE = __w_pdfjs_require__(37);
+var NativePromise = __w_pdfjs_require__(123);
+var fails = __w_pdfjs_require__(14);
+var getBuiltIn = __w_pdfjs_require__(42);
+var speciesConstructor = __w_pdfjs_require__(116);
+var promiseResolve = __w_pdfjs_require__(131);
+var redefine = __w_pdfjs_require__(29);
+var NON_GENERIC = !!NativePromise && fails(function () {
+ NativePromise.prototype['finally'].call({
+  then: function () {
+  }
+ }, function () {
+ });
+});
+$({
+ target: 'Promise',
+ proto: true,
+ real: true,
+ forced: NON_GENERIC
+}, {
+ 'finally': function (onFinally) {
+  var C = speciesConstructor(this, getBuiltIn('Promise'));
+  var isFunction = typeof onFinally == 'function';
+  return this.then(isFunction ? function (x) {
+   return promiseResolve(C, onFinally()).then(function () {
+    return x;
+   });
+  } : onFinally, isFunction ? function (e) {
+   return promiseResolve(C, onFinally()).then(function () {
+    throw e;
+   });
+  } : onFinally);
+ }
+});
+if (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {
+ redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);
+}
+
+/***/ }),
+/* 138 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(139);
+__w_pdfjs_require__(144);
+__w_pdfjs_require__(142);
+var path = __w_pdfjs_require__(43);
+module.exports = path.URL;
+
+/***/ }),
+/* 139 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+__w_pdfjs_require__(77);
+var $ = __w_pdfjs_require__(10);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var USE_NATIVE_URL = __w_pdfjs_require__(140);
+var global = __w_pdfjs_require__(11);
+var defineProperties = __w_pdfjs_require__(72);
+var redefine = __w_pdfjs_require__(29);
+var anInstance = __w_pdfjs_require__(126);
+var has = __w_pdfjs_require__(23);
+var assign = __w_pdfjs_require__(100);
+var arrayFrom = __w_pdfjs_require__(90);
+var codeAt = __w_pdfjs_require__(78).codeAt;
+var toASCII = __w_pdfjs_require__(141);
+var setToStringTag = __w_pdfjs_require__(85);
+var URLSearchParamsModule = __w_pdfjs_require__(142);
+var InternalStateModule = __w_pdfjs_require__(33);
+var NativeURL = global.URL;
+var URLSearchParams = URLSearchParamsModule.URLSearchParams;
+var getInternalSearchParamsState = URLSearchParamsModule.getState;
+var setInternalState = InternalStateModule.set;
+var getInternalURLState = InternalStateModule.getterFor('URL');
+var floor = Math.floor;
+var pow = Math.pow;
+var INVALID_AUTHORITY = 'Invalid authority';
+var INVALID_SCHEME = 'Invalid scheme';
+var INVALID_HOST = 'Invalid host';
+var INVALID_PORT = 'Invalid port';
+var ALPHA = /[A-Za-z]/;
+var ALPHANUMERIC = /[\d+-.A-Za-z]/;
+var DIGIT = /\d/;
+var HEX_START = /^(0x|0X)/;
+var OCT = /^[0-7]+$/;
+var DEC = /^\d+$/;
+var HEX = /^[\dA-Fa-f]+$/;
+var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
+var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
+var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
+var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
+var EOF;
+var parseHost = function (url, input) {
+ var result, codePoints, index;
+ if (input.charAt(0) == '[') {
+  if (input.charAt(input.length - 1) != ']')
+   return INVALID_HOST;
+  result = parseIPv6(input.slice(1, -1));
+  if (!result)
+   return INVALID_HOST;
+  url.host = result;
+ } else if (!isSpecial(url)) {
+  if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input))
+   return INVALID_HOST;
+  result = '';
+  codePoints = arrayFrom(input);
+  for (index = 0; index < codePoints.length; index++) {
+   result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
+  }
+  url.host = result;
+ } else {
+  input = toASCII(input);
+  if (FORBIDDEN_HOST_CODE_POINT.test(input))
+   return INVALID_HOST;
+  result = parseIPv4(input);
+  if (result === null)
+   return INVALID_HOST;
+  url.host = result;
+ }
+};
+var parseIPv4 = function (input) {
+ var parts = input.split('.');
+ var partsLength, numbers, index, part, radix, number, ipv4;
+ if (parts.length && parts[parts.length - 1] == '') {
+  parts.pop();
+ }
+ partsLength = parts.length;
+ if (partsLength > 4)
+  return input;
+ numbers = [];
+ for (index = 0; index < partsLength; index++) {
+  part = parts[index];
+  if (part == '')
+   return input;
+  radix = 10;
+  if (part.length > 1 && part.charAt(0) == '0') {
+   radix = HEX_START.test(part) ? 16 : 8;
+   part = part.slice(radix == 8 ? 1 : 2);
+  }
+  if (part === '') {
+   number = 0;
+  } else {
+   if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part))
+    return input;
+   number = parseInt(part, radix);
+  }
+  numbers.push(number);
+ }
+ for (index = 0; index < partsLength; index++) {
+  number = numbers[index];
+  if (index == partsLength - 1) {
+   if (number >= pow(256, 5 - partsLength))
+    return null;
+  } else if (number > 255)
+   return null;
+ }
+ ipv4 = numbers.pop();
+ for (index = 0; index < numbers.length; index++) {
+  ipv4 += numbers[index] * pow(256, 3 - index);
+ }
+ return ipv4;
+};
+var parseIPv6 = function (input) {
+ var address = [
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0
+ ];
+ var pieceIndex = 0;
+ var compress = null;
+ var pointer = 0;
+ var value, length, numbersSeen, ipv4Piece, number, swaps, swap;
+ var char = function () {
+  return input.charAt(pointer);
+ };
+ if (char() == ':') {
+  if (input.charAt(1) != ':')
+   return;
+  pointer += 2;
+  pieceIndex++;
+  compress = pieceIndex;
+ }
+ while (char()) {
+  if (pieceIndex == 8)
+   return;
+  if (char() == ':') {
+   if (compress !== null)
+    return;
+   pointer++;
+   pieceIndex++;
+   compress = pieceIndex;
+   continue;
+  }
+  value = length = 0;
+  while (length < 4 && HEX.test(char())) {
+   value = value * 16 + parseInt(char(), 16);
+   pointer++;
+   length++;
+  }
+  if (char() == '.') {
+   if (length == 0)
+    return;
+   pointer -= length;
+   if (pieceIndex > 6)
+    return;
+   numbersSeen = 0;
+   while (char()) {
+    ipv4Piece = null;
+    if (numbersSeen > 0) {
+     if (char() == '.' && numbersSeen < 4)
+      pointer++;
+     else
+      return;
+    }
+    if (!DIGIT.test(char()))
+     return;
+    while (DIGIT.test(char())) {
+     number = parseInt(char(), 10);
+     if (ipv4Piece === null)
+      ipv4Piece = number;
+     else if (ipv4Piece == 0)
+      return;
+     else
+      ipv4Piece = ipv4Piece * 10 + number;
+     if (ipv4Piece > 255)
+      return;
+     pointer++;
+    }
+    address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
+    numbersSeen++;
+    if (numbersSeen == 2 || numbersSeen == 4)
+     pieceIndex++;
+   }
+   if (numbersSeen != 4)
+    return;
+   break;
+  } else if (char() == ':') {
+   pointer++;
+   if (!char())
+    return;
+  } else if (char())
+   return;
+  address[pieceIndex++] = value;
+ }
+ if (compress !== null) {
+  swaps = pieceIndex - compress;
+  pieceIndex = 7;
+  while (pieceIndex != 0 && swaps > 0) {
+   swap = address[pieceIndex];
+   address[pieceIndex--] = address[compress + swaps - 1];
+   address[compress + --swaps] = swap;
+  }
+ } else if (pieceIndex != 8)
+  return;
+ return address;
+};
+var findLongestZeroSequence = function (ipv6) {
+ var maxIndex = null;
+ var maxLength = 1;
+ var currStart = null;
+ var currLength = 0;
+ var index = 0;
+ for (; index < 8; index++) {
+  if (ipv6[index] !== 0) {
+   if (currLength > maxLength) {
+    maxIndex = currStart;
+    maxLength = currLength;
+   }
+   currStart = null;
+   currLength = 0;
+  } else {
+   if (currStart === null)
+    currStart = index;
+   ++currLength;
+  }
+ }
+ if (currLength > maxLength) {
+  maxIndex = currStart;
+  maxLength = currLength;
+ }
+ return maxIndex;
+};
+var serializeHost = function (host) {
+ var result, index, compress, ignore0;
+ if (typeof host == 'number') {
+  result = [];
+  for (index = 0; index < 4; index++) {
+   result.unshift(host % 256);
+   host = floor(host / 256);
+  }
+  return result.join('.');
+ } else if (typeof host == 'object') {
+  result = '';
+  compress = findLongestZeroSequence(host);
+  for (index = 0; index < 8; index++) {
+   if (ignore0 && host[index] === 0)
+    continue;
+   if (ignore0)
+    ignore0 = false;
+   if (compress === index) {
+    result += index ? ':' : '::';
+    ignore0 = true;
+   } else {
+    result += host[index].toString(16);
+    if (index < 7)
+     result += ':';
+   }
+  }
+  return '[' + result + ']';
+ }
+ return host;
+};
+var C0ControlPercentEncodeSet = {};
+var fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {
+ ' ': 1,
+ '"': 1,
+ '<': 1,
+ '>': 1,
+ '`': 1
+});
+var pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {
+ '#': 1,
+ '?': 1,
+ '{': 1,
+ '}': 1
+});
+var userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {
+ '/': 1,
+ ':': 1,
+ ';': 1,
+ '=': 1,
+ '@': 1,
+ '[': 1,
+ '\\': 1,
+ ']': 1,
+ '^': 1,
+ '|': 1
+});
+var percentEncode = function (char, set) {
+ var code = codeAt(char, 0);
+ return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
+};
+var specialSchemes = {
+ ftp: 21,
+ file: null,
+ http: 80,
+ https: 443,
+ ws: 80,
+ wss: 443
+};
+var isSpecial = function (url) {
+ return has(specialSchemes, url.scheme);
+};
+var includesCredentials = function (url) {
+ return url.username != '' || url.password != '';
+};
+var cannotHaveUsernamePasswordPort = function (url) {
+ return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
+};
+var isWindowsDriveLetter = function (string, normalized) {
+ var second;
+ return string.length == 2 && ALPHA.test(string.charAt(0)) && ((second = string.charAt(1)) == ':' || !normalized && second == '|');
+};
+var startsWithWindowsDriveLetter = function (string) {
+ var third;
+ return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (string.length == 2 || ((third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#'));
+};
+var shortenURLsPath = function (url) {
+ var path = url.path;
+ var pathSize = path.length;
+ if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
+  path.pop();
+ }
+};
+var isSingleDot = function (segment) {
+ return segment === '.' || segment.toLowerCase() === '%2e';
+};
+var isDoubleDot = function (segment) {
+ segment = segment.toLowerCase();
+ return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
+};
+var SCHEME_START = {};
+var SCHEME = {};
+var NO_SCHEME = {};
+var SPECIAL_RELATIVE_OR_AUTHORITY = {};
+var PATH_OR_AUTHORITY = {};
+var RELATIVE = {};
+var RELATIVE_SLASH = {};
+var SPECIAL_AUTHORITY_SLASHES = {};
+var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
+var AUTHORITY = {};
+var HOST = {};
+var HOSTNAME = {};
+var PORT = {};
+var FILE = {};
+var FILE_SLASH = {};
+var FILE_HOST = {};
+var PATH_START = {};
+var PATH = {};
+var CANNOT_BE_A_BASE_URL_PATH = {};
+var QUERY = {};
+var FRAGMENT = {};
+var parseURL = function (url, input, stateOverride, base) {
+ var state = stateOverride || SCHEME_START;
+ var pointer = 0;
+ var buffer = '';
+ var seenAt = false;
+ var seenBracket = false;
+ var seenPasswordToken = false;
+ var codePoints, char, bufferCodePoints, failure;
+ if (!stateOverride) {
+  url.scheme = '';
+  url.username = '';
+  url.password = '';
+  url.host = null;
+  url.port = null;
+  url.path = [];
+  url.query = null;
+  url.fragment = null;
+  url.cannotBeABaseURL = false;
+  input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
+ }
+ input = input.replace(TAB_AND_NEW_LINE, '');
+ codePoints = arrayFrom(input);
+ while (pointer <= codePoints.length) {
+  char = codePoints[pointer];
+  switch (state) {
+  case SCHEME_START:
+   if (char && ALPHA.test(char)) {
+    buffer += char.toLowerCase();
+    state = SCHEME;
+   } else if (!stateOverride) {
+    state = NO_SCHEME;
+    continue;
+   } else
+    return INVALID_SCHEME;
+   break;
+  case SCHEME:
+   if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
+    buffer += char.toLowerCase();
+   } else if (char == ':') {
+    if (stateOverride && (isSpecial(url) != has(specialSchemes, buffer) || buffer == 'file' && (includesCredentials(url) || url.port !== null) || url.scheme == 'file' && !url.host))
+     return;
+    url.scheme = buffer;
+    if (stateOverride) {
+     if (isSpecial(url) && specialSchemes[url.scheme] == url.port)
+      url.port = null;
+     return;
+    }
+    buffer = '';
+    if (url.scheme == 'file') {
+     state = FILE;
+    } else if (isSpecial(url) && base && base.scheme == url.scheme) {
+     state = SPECIAL_RELATIVE_OR_AUTHORITY;
+    } else if (isSpecial(url)) {
+     state = SPECIAL_AUTHORITY_SLASHES;
+    } else if (codePoints[pointer + 1] == '/') {
+     state = PATH_OR_AUTHORITY;
+     pointer++;
+    } else {
+     url.cannotBeABaseURL = true;
+     url.path.push('');
+     state = CANNOT_BE_A_BASE_URL_PATH;
+    }
+   } else if (!stateOverride) {
+    buffer = '';
+    state = NO_SCHEME;
+    pointer = 0;
+    continue;
+   } else
+    return INVALID_SCHEME;
+   break;
+  case NO_SCHEME:
+   if (!base || base.cannotBeABaseURL && char != '#')
+    return INVALID_SCHEME;
+   if (base.cannotBeABaseURL && char == '#') {
+    url.scheme = base.scheme;
+    url.path = base.path.slice();
+    url.query = base.query;
+    url.fragment = '';
+    url.cannotBeABaseURL = true;
+    state = FRAGMENT;
+    break;
+   }
+   state = base.scheme == 'file' ? FILE : RELATIVE;
+   continue;
+  case SPECIAL_RELATIVE_OR_AUTHORITY:
+   if (char == '/' && codePoints[pointer + 1] == '/') {
+    state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+    pointer++;
+   } else {
+    state = RELATIVE;
+    continue;
+   }
+   break;
+  case PATH_OR_AUTHORITY:
+   if (char == '/') {
+    state = AUTHORITY;
+    break;
+   } else {
+    state = PATH;
+    continue;
+   }
+  case RELATIVE:
+   url.scheme = base.scheme;
+   if (char == EOF) {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = base.query;
+   } else if (char == '/' || char == '\\' && isSpecial(url)) {
+    state = RELATIVE_SLASH;
+   } else if (char == '?') {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = '';
+    state = QUERY;
+   } else if (char == '#') {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = base.query;
+    url.fragment = '';
+    state = FRAGMENT;
+   } else {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.path.pop();
+    state = PATH;
+    continue;
+   }
+   break;
+  case RELATIVE_SLASH:
+   if (isSpecial(url) && (char == '/' || char == '\\')) {
+    state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+   } else if (char == '/') {
+    state = AUTHORITY;
+   } else {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    state = PATH;
+    continue;
+   }
+   break;
+  case SPECIAL_AUTHORITY_SLASHES:
+   state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+   if (char != '/' || buffer.charAt(pointer + 1) != '/')
+    continue;
+   pointer++;
+   break;
+  case SPECIAL_AUTHORITY_IGNORE_SLASHES:
+   if (char != '/' && char != '\\') {
+    state = AUTHORITY;
+    continue;
+   }
+   break;
+  case AUTHORITY:
+   if (char == '@') {
+    if (seenAt)
+     buffer = '%40' + buffer;
+    seenAt = true;
+    bufferCodePoints = arrayFrom(buffer);
+    for (var i = 0; i < bufferCodePoints.length; i++) {
+     var codePoint = bufferCodePoints[i];
+     if (codePoint == ':' && !seenPasswordToken) {
+      seenPasswordToken = true;
+      continue;
+     }
+     var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
+     if (seenPasswordToken)
+      url.password += encodedCodePoints;
+     else
+      url.username += encodedCodePoints;
+    }
+    buffer = '';
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+    if (seenAt && buffer == '')
+     return INVALID_AUTHORITY;
+    pointer -= arrayFrom(buffer).length + 1;
+    buffer = '';
+    state = HOST;
+   } else
+    buffer += char;
+   break;
+  case HOST:
+  case HOSTNAME:
+   if (stateOverride && url.scheme == 'file') {
+    state = FILE_HOST;
+    continue;
+   } else if (char == ':' && !seenBracket) {
+    if (buffer == '')
+     return INVALID_HOST;
+    failure = parseHost(url, buffer);
+    if (failure)
+     return failure;
+    buffer = '';
+    state = PORT;
+    if (stateOverride == HOSTNAME)
+     return;
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+    if (isSpecial(url) && buffer == '')
+     return INVALID_HOST;
+    if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null))
+     return;
+    failure = parseHost(url, buffer);
+    if (failure)
+     return failure;
+    buffer = '';
+    state = PATH_START;
+    if (stateOverride)
+     return;
+    continue;
+   } else {
+    if (char == '[')
+     seenBracket = true;
+    else if (char == ']')
+     seenBracket = false;
+    buffer += char;
+   }
+   break;
+  case PORT:
+   if (DIGIT.test(char)) {
+    buffer += char;
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url) || stateOverride) {
+    if (buffer != '') {
+     var port = parseInt(buffer, 10);
+     if (port > 0xFFFF)
+      return INVALID_PORT;
+     url.port = isSpecial(url) && port === specialSchemes[url.scheme] ? null : port;
+     buffer = '';
+    }
+    if (stateOverride)
+     return;
+    state = PATH_START;
+    continue;
+   } else
+    return INVALID_PORT;
+   break;
+  case FILE:
+   url.scheme = 'file';
+   if (char == '/' || char == '\\')
+    state = FILE_SLASH;
+   else if (base && base.scheme == 'file') {
+    if (char == EOF) {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = base.query;
+    } else if (char == '?') {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = '';
+     state = QUERY;
+    } else if (char == '#') {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = base.query;
+     url.fragment = '';
+     state = FRAGMENT;
+    } else {
+     if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+      url.host = base.host;
+      url.path = base.path.slice();
+      shortenURLsPath(url);
+     }
+     state = PATH;
+     continue;
+    }
+   } else {
+    state = PATH;
+    continue;
+   }
+   break;
+  case FILE_SLASH:
+   if (char == '/' || char == '\\') {
+    state = FILE_HOST;
+    break;
+   }
+   if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+    if (isWindowsDriveLetter(base.path[0], true))
+     url.path.push(base.path[0]);
+    else
+     url.host = base.host;
+   }
+   state = PATH;
+   continue;
+  case FILE_HOST:
+   if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
+    if (!stateOverride && isWindowsDriveLetter(buffer)) {
+     state = PATH;
+    } else if (buffer == '') {
+     url.host = '';
+     if (stateOverride)
+      return;
+     state = PATH_START;
+    } else {
+     failure = parseHost(url, buffer);
+     if (failure)
+      return failure;
+     if (url.host == 'localhost')
+      url.host = '';
+     if (stateOverride)
+      return;
+     buffer = '';
+     state = PATH_START;
+    }
+    continue;
+   } else
+    buffer += char;
+   break;
+  case PATH_START:
+   if (isSpecial(url)) {
+    state = PATH;
+    if (char != '/' && char != '\\')
+     continue;
+   } else if (!stateOverride && char == '?') {
+    url.query = '';
+    state = QUERY;
+   } else if (!stateOverride && char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    state = PATH;
+    if (char != '/')
+     continue;
+   }
+   break;
+  case PATH:
+   if (char == EOF || char == '/' || char == '\\' && isSpecial(url) || !stateOverride && (char == '?' || char == '#')) {
+    if (isDoubleDot(buffer)) {
+     shortenURLsPath(url);
+     if (char != '/' && !(char == '\\' && isSpecial(url))) {
+      url.path.push('');
+     }
+    } else if (isSingleDot(buffer)) {
+     if (char != '/' && !(char == '\\' && isSpecial(url))) {
+      url.path.push('');
+     }
+    } else {
+     if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
+      if (url.host)
+       url.host = '';
+      buffer = buffer.charAt(0) + ':';
+     }
+     url.path.push(buffer);
+    }
+    buffer = '';
+    if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
+     while (url.path.length > 1 && url.path[0] === '') {
+      url.path.shift();
+     }
+    }
+    if (char == '?') {
+     url.query = '';
+     state = QUERY;
+    } else if (char == '#') {
+     url.fragment = '';
+     state = FRAGMENT;
+    }
+   } else {
+    buffer += percentEncode(char, pathPercentEncodeSet);
+   }
+   break;
+  case CANNOT_BE_A_BASE_URL_PATH:
+   if (char == '?') {
+    url.query = '';
+    state = QUERY;
+   } else if (char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
+   }
+   break;
+  case QUERY:
+   if (!stateOverride && char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    if (char == "'" && isSpecial(url))
+     url.query += '%27';
+    else if (char == '#')
+     url.query += '%23';
+    else
+     url.query += percentEncode(char, C0ControlPercentEncodeSet);
+   }
+   break;
+  case FRAGMENT:
+   if (char != EOF)
+    url.fragment += percentEncode(char, fragmentPercentEncodeSet);
+   break;
+  }
+  pointer++;
+ }
+};
+var URLConstructor = function URL(url) {
+ var that = anInstance(this, URLConstructor, 'URL');
+ var base = arguments.length > 1 ? arguments[1] : undefined;
+ var urlString = String(url);
+ var state = setInternalState(that, { type: 'URL' });
+ var baseState, failure;
+ if (base !== undefined) {
+  if (base instanceof URLConstructor)
+   baseState = getInternalURLState(base);
+  else {
+   failure = parseURL(baseState = {}, String(base));
+   if (failure)
+    throw TypeError(failure);
+  }
+ }
+ failure = parseURL(state, urlString, null, baseState);
+ if (failure)
+  throw TypeError(failure);
+ var searchParams = state.searchParams = new URLSearchParams();
+ var searchParamsState = getInternalSearchParamsState(searchParams);
+ searchParamsState.updateSearchParams(state.query);
+ searchParamsState.updateURL = function () {
+  state.query = String(searchParams) || null;
+ };
+ if (!DESCRIPTORS) {
+  that.href = serializeURL.call(that);
+  that.origin = getOrigin.call(that);
+  that.protocol = getProtocol.call(that);
+  that.username = getUsername.call(that);
+  that.password = getPassword.call(that);
+  that.host = getHost.call(that);
+  that.hostname = getHostname.call(that);
+  that.port = getPort.call(that);
+  that.pathname = getPathname.call(that);
+  that.search = getSearch.call(that);
+  that.searchParams = getSearchParams.call(that);
+  that.hash = getHash.call(that);
+ }
+};
+var URLPrototype = URLConstructor.prototype;
+var serializeURL = function () {
+ var url = getInternalURLState(this);
+ var scheme = url.scheme;
+ var username = url.username;
+ var password = url.password;
+ var host = url.host;
+ var port = url.port;
+ var path = url.path;
+ var query = url.query;
+ var fragment = url.fragment;
+ var output = scheme + ':';
+ if (host !== null) {
+  output += '//';
+  if (includesCredentials(url)) {
+   output += username + (password ? ':' + password : '') + '@';
+  }
+  output += serializeHost(host);
+  if (port !== null)
+   output += ':' + port;
+ } else if (scheme == 'file')
+  output += '//';
+ output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+ if (query !== null)
+  output += '?' + query;
+ if (fragment !== null)
+  output += '#' + fragment;
+ return output;
+};
+var getOrigin = function () {
+ var url = getInternalURLState(this);
+ var scheme = url.scheme;
+ var port = url.port;
+ if (scheme == 'blob')
+  try {
+   return new URL(scheme.path[0]).origin;
+  } catch (error) {
+   return 'null';
+  }
+ if (scheme == 'file' || !isSpecial(url))
+  return 'null';
+ return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
+};
+var getProtocol = function () {
+ return getInternalURLState(this).scheme + ':';
+};
+var getUsername = function () {
+ return getInternalURLState(this).username;
+};
+var getPassword = function () {
+ return getInternalURLState(this).password;
+};
+var getHost = function () {
+ var url = getInternalURLState(this);
+ var host = url.host;
+ var port = url.port;
+ return host === null ? '' : port === null ? serializeHost(host) : serializeHost(host) + ':' + port;
+};
+var getHostname = function () {
+ var host = getInternalURLState(this).host;
+ return host === null ? '' : serializeHost(host);
+};
+var getPort = function () {
+ var port = getInternalURLState(this).port;
+ return port === null ? '' : String(port);
+};
+var getPathname = function () {
+ var url = getInternalURLState(this);
+ var path = url.path;
+ return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+};
+var getSearch = function () {
+ var query = getInternalURLState(this).query;
+ return query ? '?' + query : '';
+};
+var getSearchParams = function () {
+ return getInternalURLState(this).searchParams;
+};
+var getHash = function () {
+ var fragment = getInternalURLState(this).fragment;
+ return fragment ? '#' + fragment : '';
+};
+var accessorDescriptor = function (getter, setter) {
+ return {
+  get: getter,
+  set: setter,
+  configurable: true,
+  enumerable: true
+ };
+};
+if (DESCRIPTORS) {
+ defineProperties(URLPrototype, {
+  href: accessorDescriptor(serializeURL, function (href) {
+   var url = getInternalURLState(this);
+   var urlString = String(href);
+   var failure = parseURL(url, urlString);
+   if (failure)
+    throw TypeError(failure);
+   getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+  }),
+  origin: accessorDescriptor(getOrigin),
+  protocol: accessorDescriptor(getProtocol, function (protocol) {
+   var url = getInternalURLState(this);
+   parseURL(url, String(protocol) + ':', SCHEME_START);
+  }),
+  username: accessorDescriptor(getUsername, function (username) {
+   var url = getInternalURLState(this);
+   var codePoints = arrayFrom(String(username));
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   url.username = '';
+   for (var i = 0; i < codePoints.length; i++) {
+    url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+   }
+  }),
+  password: accessorDescriptor(getPassword, function (password) {
+   var url = getInternalURLState(this);
+   var codePoints = arrayFrom(String(password));
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   url.password = '';
+   for (var i = 0; i < codePoints.length; i++) {
+    url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+   }
+  }),
+  host: accessorDescriptor(getHost, function (host) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   parseURL(url, String(host), HOST);
+  }),
+  hostname: accessorDescriptor(getHostname, function (hostname) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   parseURL(url, String(hostname), HOSTNAME);
+  }),
+  port: accessorDescriptor(getPort, function (port) {
+   var url = getInternalURLState(this);
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   port = String(port);
+   if (port == '')
+    url.port = null;
+   else
+    parseURL(url, port, PORT);
+  }),
+  pathname: accessorDescriptor(getPathname, function (pathname) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   url.path = [];
+   parseURL(url, pathname + '', PATH_START);
+  }),
+  search: accessorDescriptor(getSearch, function (search) {
+   var url = getInternalURLState(this);
+   search = String(search);
+   if (search == '') {
+    url.query = null;
+   } else {
+    if ('?' == search.charAt(0))
+     search = search.slice(1);
+    url.query = '';
+    parseURL(url, search, QUERY);
+   }
+   getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+  }),
+  searchParams: accessorDescriptor(getSearchParams),
+  hash: accessorDescriptor(getHash, function (hash) {
+   var url = getInternalURLState(this);
+   hash = String(hash);
+   if (hash == '') {
+    url.fragment = null;
+    return;
+   }
+   if ('#' == hash.charAt(0))
+    hash = hash.slice(1);
+   url.fragment = '';
+   parseURL(url, hash, FRAGMENT);
+  })
+ });
+}
+redefine(URLPrototype, 'toJSON', function toJSON() {
+ return serializeURL.call(this);
+}, { enumerable: true });
+redefine(URLPrototype, 'toString', function toString() {
+ return serializeURL.call(this);
+}, { enumerable: true });
+if (NativeURL) {
+ var nativeCreateObjectURL = NativeURL.createObjectURL;
+ var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
+ if (nativeCreateObjectURL)
+  redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
+   return nativeCreateObjectURL.apply(NativeURL, arguments);
+  });
+ if (nativeRevokeObjectURL)
+  redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
+   return nativeRevokeObjectURL.apply(NativeURL, arguments);
+  });
+}
+setToStringTag(URLConstructor, 'URL');
+$({
+ global: true,
+ forced: !USE_NATIVE_URL,
+ sham: !DESCRIPTORS
+}, { URL: URLConstructor });
+
+/***/ }),
+/* 140 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = !fails(function () {
+ var url = new URL('b?a=1&b=2&c=3', 'http://a');
+ var searchParams = url.searchParams;
+ var result = '';
+ url.pathname = 'c%20d';
+ searchParams.forEach(function (value, key) {
+  searchParams['delete']('b');
+  result += key + value;
+ });
+ return IS_PURE && !url.toJSON || !searchParams.sort || url.href !== 'http://a/c%20d?a=1&c=3' || searchParams.get('c') !== '3' || String(new URLSearchParams('?a=1')) !== 'a=1' || !searchParams[ITERATOR] || new URL('https://a@b').username !== 'a' || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b' || new URL('http://тест').host !== 'xn--e1aybc' || new URL('http://a#б').hash !== '#%D0%B1' || result !== 'a1c3' || new URL('http://x', undefined).host !== 'x';
+});
+
+/***/ }),
+/* 141 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var maxInt = 2147483647;
+var base = 36;
+var tMin = 1;
+var tMax = 26;
+var skew = 38;
+var damp = 700;
+var initialBias = 72;
+var initialN = 128;
+var delimiter = '-';
+var regexNonASCII = /[^\0-\u007E]/;
+var regexSeparators = /[.\u3002\uFF0E\uFF61]/g;
+var OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';
+var baseMinusTMin = base - tMin;
+var floor = Math.floor;
+var stringFromCharCode = String.fromCharCode;
+var ucs2decode = function (string) {
+ var output = [];
+ var counter = 0;
+ var length = string.length;
+ while (counter < length) {
+  var value = string.charCodeAt(counter++);
+  if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+   var extra = string.charCodeAt(counter++);
+   if ((extra & 0xFC00) == 0xDC00) {
+    output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+   } else {
+    output.push(value);
+    counter--;
+   }
+  } else {
+   output.push(value);
+  }
+ }
+ return output;
+};
+var digitToBasic = function (digit) {
+ return digit + 22 + 75 * (digit < 26);
+};
+var adapt = function (delta, numPoints, firstTime) {
+ var k = 0;
+ delta = firstTime ? floor(delta / damp) : delta >> 1;
+ delta += floor(delta / numPoints);
+ for (; delta > baseMinusTMin * tMax >> 1; k += base) {
+  delta = floor(delta / baseMinusTMin);
+ }
+ return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+var encode = function (input) {
+ var output = [];
+ input = ucs2decode(input);
+ var inputLength = input.length;
+ var n = initialN;
+ var delta = 0;
+ var bias = initialBias;
+ var i, currentValue;
+ for (i = 0; i < input.length; i++) {
+  currentValue = input[i];
+  if (currentValue < 0x80) {
+   output.push(stringFromCharCode(currentValue));
+  }
+ }
+ var basicLength = output.length;
+ var handledCPCount = basicLength;
+ if (basicLength) {
+  output.push(delimiter);
+ }
+ while (handledCPCount < inputLength) {
+  var m = maxInt;
+  for (i = 0; i < input.length; i++) {
+   currentValue = input[i];
+   if (currentValue >= n && currentValue < m) {
+    m = currentValue;
+   }
+  }
+  var handledCPCountPlusOne = handledCPCount + 1;
+  if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+   throw RangeError(OVERFLOW_ERROR);
+  }
+  delta += (m - n) * handledCPCountPlusOne;
+  n = m;
+  for (i = 0; i < input.length; i++) {
+   currentValue = input[i];
+   if (currentValue < n && ++delta > maxInt) {
+    throw RangeError(OVERFLOW_ERROR);
+   }
+   if (currentValue == n) {
+    var q = delta;
+    for (var k = base;; k += base) {
+     var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+     if (q < t)
+      break;
+     var qMinusT = q - t;
+     var baseMinusT = base - t;
+     output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));
+     q = floor(qMinusT / baseMinusT);
+    }
+    output.push(stringFromCharCode(digitToBasic(q)));
+    bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+    delta = 0;
+    ++handledCPCount;
+   }
+  }
+  ++delta;
+  ++n;
+ }
+ return output.join('');
+};
+module.exports = function (input) {
+ var encoded = [];
+ var labels = input.toLowerCase().replace(regexSeparators, '\u002E').split('.');
+ var i, label;
+ for (i = 0; i < labels.length; i++) {
+  label = labels[i];
+  encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);
+ }
+ return encoded.join('.');
+};
+
+/***/ }),
+/* 142 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+__w_pdfjs_require__(102);
+var $ = __w_pdfjs_require__(10);
+var getBuiltIn = __w_pdfjs_require__(42);
+var USE_NATIVE_URL = __w_pdfjs_require__(140);
+var redefine = __w_pdfjs_require__(29);
+var redefineAll = __w_pdfjs_require__(124);
+var setToStringTag = __w_pdfjs_require__(85);
+var createIteratorConstructor = __w_pdfjs_require__(80);
+var InternalStateModule = __w_pdfjs_require__(33);
+var anInstance = __w_pdfjs_require__(126);
+var hasOwn = __w_pdfjs_require__(23);
+var bind = __w_pdfjs_require__(62);
+var classof = __w_pdfjs_require__(95);
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var create = __w_pdfjs_require__(71);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var getIterator = __w_pdfjs_require__(143);
+var getIteratorMethod = __w_pdfjs_require__(94);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var $fetch = getBuiltIn('fetch');
+var Headers = getBuiltIn('Headers');
+var ITERATOR = wellKnownSymbol('iterator');
+var URL_SEARCH_PARAMS = 'URLSearchParams';
+var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
+var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);
+var plus = /\+/g;
+var sequences = Array(4);
+var percentSequence = function (bytes) {
+ return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
+};
+var percentDecode = function (sequence) {
+ try {
+  return decodeURIComponent(sequence);
+ } catch (error) {
+  return sequence;
+ }
+};
+var deserialize = function (it) {
+ var result = it.replace(plus, ' ');
+ var bytes = 4;
+ try {
+  return decodeURIComponent(result);
+ } catch (error) {
+  while (bytes) {
+   result = result.replace(percentSequence(bytes--), percentDecode);
+  }
+  return result;
+ }
+};
+var find = /[!'()~]|%20/g;
+var replace = {
+ '!': '%21',
+ "'": '%27',
+ '(': '%28',
+ ')': '%29',
+ '~': '%7E',
+ '%20': '+'
+};
+var replacer = function (match) {
+ return replace[match];
+};
+var serialize = function (it) {
+ return encodeURIComponent(it).replace(find, replacer);
+};
+var parseSearchParams = function (result, query) {
+ if (query) {
+  var attributes = query.split('&');
+  var index = 0;
+  var attribute, entry;
+  while (index < attributes.length) {
+   attribute = attributes[index++];
+   if (attribute.length) {
+    entry = attribute.split('=');
+    result.push({
+     key: deserialize(entry.shift()),
+     value: deserialize(entry.join('='))
+    });
+   }
+  }
+ }
+};
+var updateSearchParams = function (query) {
+ this.entries.length = 0;
+ parseSearchParams(this.entries, query);
+};
+var validateArgumentsLength = function (passed, required) {
+ if (passed < required)
+  throw TypeError('Not enough arguments');
+};
+var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
+ setInternalState(this, {
+  type: URL_SEARCH_PARAMS_ITERATOR,
+  iterator: getIterator(getInternalParamsState(params).entries),
+  kind: kind
+ });
+}, 'Iterator', function next() {
+ var state = getInternalIteratorState(this);
+ var kind = state.kind;
+ var step = state.iterator.next();
+ var entry = step.value;
+ if (!step.done) {
+  step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [
+   entry.key,
+   entry.value
+  ];
+ }
+ return step;
+});
+var URLSearchParamsConstructor = function URLSearchParams() {
+ anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+ var init = arguments.length > 0 ? arguments[0] : undefined;
+ var that = this;
+ var entries = [];
+ var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;
+ setInternalState(that, {
+  type: URL_SEARCH_PARAMS,
+  entries: entries,
+  updateURL: function () {
+  },
+  updateSearchParams: updateSearchParams
+ });
+ if (init !== undefined) {
+  if (isObject(init)) {
+   iteratorMethod = getIteratorMethod(init);
+   if (typeof iteratorMethod === 'function') {
+    iterator = iteratorMethod.call(init);
+    next = iterator.next;
+    while (!(step = next.call(iterator)).done) {
+     entryIterator = getIterator(anObject(step.value));
+     entryNext = entryIterator.next;
+     if ((first = entryNext.call(entryIterator)).done || (second = entryNext.call(entryIterator)).done || !entryNext.call(entryIterator).done)
+      throw TypeError('Expected sequence with length 2');
+     entries.push({
+      key: first.value + '',
+      value: second.value + ''
+     });
+    }
+   } else
+    for (key in init)
+     if (hasOwn(init, key))
+      entries.push({
+       key: key,
+       value: init[key] + ''
+      });
+  } else {
+   parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
+  }
+ }
+};
+var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;
+redefineAll(URLSearchParamsPrototype, {
+ append: function append(name, value) {
+  validateArgumentsLength(arguments.length, 2);
+  var state = getInternalParamsState(this);
+  state.entries.push({
+   key: name + '',
+   value: value + ''
+  });
+  state.updateURL();
+ },
+ 'delete': function (name) {
+  validateArgumentsLength(arguments.length, 1);
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var key = name + '';
+  var index = 0;
+  while (index < entries.length) {
+   if (entries[index].key === key)
+    entries.splice(index, 1);
+   else
+    index++;
+  }
+  state.updateURL();
+ },
+ get: function get(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var index = 0;
+  for (; index < entries.length; index++) {
+   if (entries[index].key === key)
+    return entries[index].value;
+  }
+  return null;
+ },
+ getAll: function getAll(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var result = [];
+  var index = 0;
+  for (; index < entries.length; index++) {
+   if (entries[index].key === key)
+    result.push(entries[index].value);
+  }
+  return result;
+ },
+ has: function has(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var index = 0;
+  while (index < entries.length) {
+   if (entries[index++].key === key)
+    return true;
+  }
+  return false;
+ },
+ set: function set(name, value) {
+  validateArgumentsLength(arguments.length, 1);
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var found = false;
+  var key = name + '';
+  var val = value + '';
+  var index = 0;
+  var entry;
+  for (; index < entries.length; index++) {
+   entry = entries[index];
+   if (entry.key === key) {
+    if (found)
+     entries.splice(index--, 1);
+    else {
+     found = true;
+     entry.value = val;
+    }
+   }
+  }
+  if (!found)
+   entries.push({
+    key: key,
+    value: val
+   });
+  state.updateURL();
+ },
+ sort: function sort() {
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var slice = entries.slice();
+  var entry, entriesIndex, sliceIndex;
+  entries.length = 0;
+  for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
+   entry = slice[sliceIndex];
+   for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
+    if (entries[entriesIndex].key > entry.key) {
+     entries.splice(entriesIndex, 0, entry);
+     break;
+    }
+   }
+   if (entriesIndex === sliceIndex)
+    entries.push(entry);
+  }
+  state.updateURL();
+ },
+ forEach: function forEach(callback) {
+  var entries = getInternalParamsState(this).entries;
+  var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
+  var index = 0;
+  var entry;
+  while (index < entries.length) {
+   entry = entries[index++];
+   boundFunction(entry.value, entry.key, this);
+  }
+ },
+ keys: function keys() {
+  return new URLSearchParamsIterator(this, 'keys');
+ },
+ values: function values() {
+  return new URLSearchParamsIterator(this, 'values');
+ },
+ entries: function entries() {
+  return new URLSearchParamsIterator(this, 'entries');
+ }
+}, { enumerable: true });
+redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);
+redefine(URLSearchParamsPrototype, 'toString', function toString() {
+ var entries = getInternalParamsState(this).entries;
+ var result = [];
+ var index = 0;
+ var entry;
+ while (index < entries.length) {
+  entry = entries[index++];
+  result.push(serialize(entry.key) + '=' + serialize(entry.value));
+ }
+ return result.join('&');
+}, { enumerable: true });
+setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+$({
+ global: true,
+ forced: !USE_NATIVE_URL
+}, { URLSearchParams: URLSearchParamsConstructor });
+if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
+ $({
+  global: true,
+  enumerable: true,
+  forced: true
+ }, {
+  fetch: function fetch(input) {
+   var args = [input];
+   var init, body, headers;
+   if (arguments.length > 1) {
+    init = arguments[1];
+    if (isObject(init)) {
+     body = init.body;
+     if (classof(body) === URL_SEARCH_PARAMS) {
+      headers = init.headers ? new Headers(init.headers) : new Headers();
+      if (!headers.has('content-type')) {
+       headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
+      }
+      init = create(init, {
+       body: createPropertyDescriptor(0, String(body)),
+       headers: createPropertyDescriptor(0, headers)
+      });
+     }
+    }
+    args.push(init);
+   }
+   return $fetch.apply(this, args);
+  }
+ });
+}
+module.exports = {
+ URLSearchParams: URLSearchParamsConstructor,
+ getState: getInternalParamsState
+};
+
+/***/ }),
+/* 143 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var getIteratorMethod = __w_pdfjs_require__(94);
+module.exports = function (it) {
+ var iteratorMethod = getIteratorMethod(it);
+ if (typeof iteratorMethod != 'function') {
+  throw TypeError(String(it) + ' is not iterable');
+ }
+ return anObject(iteratorMethod.call(it));
+};
+
+/***/ }),
+/* 144 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+$({
+ target: 'URL',
+ proto: true,
+ enumerable: true
+}, {
+ toJSON: function toJSON() {
+  return URL.prototype.toString.call(this);
+ }
+});
+
+/***/ }),
+/* 145 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+(function (global, factory) {
+  true ? factory(exports) : undefined;
+}(this, function (exports) {
+ 'use strict';
+ var SymbolPolyfill = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol : function (description) {
+  return "Symbol(" + description + ")";
+ };
+ function noop() {
+ }
+ var NumberIsNaN = Number.isNaN || function (x) {
+  return x !== x;
+ };
+ var rethrowAssertionErrorRejection = noop;
+ function typeIsObject(x) {
+  return typeof x === 'object' && x !== null || typeof x === 'function';
+ }
+ function createArrayFromList(elements) {
+  return elements.slice();
+ }
+ function ArrayBufferCopy(dest, destOffset, src, srcOffset, n) {
+  new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
+ }
+ function IsFiniteNonNegativeNumber(v) {
+  if (IsNonNegativeNumber(v) === false) {
+   return false;
+  }
+  if (v === Infinity) {
+   return false;
+  }
+  return true;
+ }
+ function IsNonNegativeNumber(v) {
+  if (typeof v !== 'number') {
+   return false;
+  }
+  if (NumberIsNaN(v)) {
+   return false;
+  }
+  if (v < 0) {
+   return false;
+  }
+  return true;
+ }
+ function Call(F, V, args) {
+  if (typeof F !== 'function') {
+   throw new TypeError('Argument is not a function');
+  }
+  return Function.prototype.apply.call(F, V, args);
+ }
+ function CreateAlgorithmFromUnderlyingMethod(underlyingObject, methodName, algoArgCount, extraArgs) {
+  var method = underlyingObject[methodName];
+  if (method !== undefined) {
+   if (typeof method !== 'function') {
+    throw new TypeError(method + " is not a method");
+   }
+   switch (algoArgCount) {
+   case 0: {
+     return function () {
+      return PromiseCall(method, underlyingObject, extraArgs);
+     };
+    }
+   case 1: {
+     return function (arg) {
+      var fullArgs = [arg].concat(extraArgs);
+      return PromiseCall(method, underlyingObject, fullArgs);
+     };
+    }
+   }
+  }
+  return function () {
+   return promiseResolvedWith(undefined);
+  };
+ }
+ function InvokeOrNoop(O, P, args) {
+  var method = O[P];
+  if (method === undefined) {
+   return undefined;
+  }
+  return Call(method, O, args);
+ }
+ function PromiseCall(F, V, args) {
+  try {
+   return promiseResolvedWith(Call(F, V, args));
+  } catch (value) {
+   return promiseRejectedWith(value);
+  }
+ }
+ function TransferArrayBuffer(O) {
+  return O;
+ }
+ function IsDetachedBuffer(O) {
+  return false;
+ }
+ function ValidateAndNormalizeHighWaterMark(highWaterMark) {
+  highWaterMark = Number(highWaterMark);
+  if (NumberIsNaN(highWaterMark) || highWaterMark < 0) {
+   throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
+  }
+  return highWaterMark;
+ }
+ function MakeSizeAlgorithmFromSizeFunction(size) {
+  if (size === undefined) {
+   return function () {
+    return 1;
+   };
+  }
+  if (typeof size !== 'function') {
+   throw new TypeError('size property of a queuing strategy must be a function');
+  }
+  return function (chunk) {
+   return size(chunk);
+  };
+ }
+ var originalPromise = Promise;
+ var originalPromiseThen = Promise.prototype.then;
+ var originalPromiseResolve = Promise.resolve.bind(originalPromise);
+ var originalPromiseReject = Promise.reject.bind(originalPromise);
+ function newPromise(executor) {
+  return new originalPromise(executor);
+ }
+ function promiseResolvedWith(value) {
+  return originalPromiseResolve(value);
+ }
+ function promiseRejectedWith(reason) {
+  return originalPromiseReject(reason);
+ }
+ function PerformPromiseThen(promise, onFulfilled, onRejected) {
+  return originalPromiseThen.call(promise, onFulfilled, onRejected);
+ }
+ function uponPromise(promise, onFulfilled, onRejected) {
+  PerformPromiseThen(PerformPromiseThen(promise, onFulfilled, onRejected), undefined, rethrowAssertionErrorRejection);
+ }
+ function uponFulfillment(promise, onFulfilled) {
+  uponPromise(promise, onFulfilled);
+ }
+ function uponRejection(promise, onRejected) {
+  uponPromise(promise, undefined, onRejected);
+ }
+ function transformPromiseWith(promise, fulfillmentHandler, rejectionHandler) {
+  return PerformPromiseThen(promise, fulfillmentHandler, rejectionHandler);
+ }
+ function setPromiseIsHandledToTrue(promise) {
+  PerformPromiseThen(promise, undefined, rethrowAssertionErrorRejection);
+ }
+ var QUEUE_MAX_ARRAY_SIZE = 16384;
+ var SimpleQueue = function () {
+  function SimpleQueue() {
+   this._cursor = 0;
+   this._size = 0;
+   this._front = {
+    _elements: [],
+    _next: undefined
+   };
+   this._back = this._front;
+   this._cursor = 0;
+   this._size = 0;
+  }
+  Object.defineProperty(SimpleQueue.prototype, "length", {
+   get: function () {
+    return this._size;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  SimpleQueue.prototype.push = function (element) {
+   var oldBack = this._back;
+   var newBack = oldBack;
+   if (oldBack._elements.length === QUEUE_MAX_ARRAY_SIZE - 1) {
+    newBack = {
+     _elements: [],
+     _next: undefined
+    };
+   }
+   oldBack._elements.push(element);
+   if (newBack !== oldBack) {
+    this._back = newBack;
+    oldBack._next = newBack;
+   }
+   ++this._size;
+  };
+  SimpleQueue.prototype.shift = function () {
+   var oldFront = this._front;
+   var newFront = oldFront;
+   var oldCursor = this._cursor;
+   var newCursor = oldCursor + 1;
+   var elements = oldFront._elements;
+   var element = elements[oldCursor];
+   if (newCursor === QUEUE_MAX_ARRAY_SIZE) {
+    newFront = oldFront._next;
+    newCursor = 0;
+   }
+   --this._size;
+   this._cursor = newCursor;
+   if (oldFront !== newFront) {
+    this._front = newFront;
+   }
+   elements[oldCursor] = undefined;
+   return element;
+  };
+  SimpleQueue.prototype.forEach = function (callback) {
+   var i = this._cursor;
+   var node = this._front;
+   var elements = node._elements;
+   while (i !== elements.length || node._next !== undefined) {
+    if (i === elements.length) {
+     node = node._next;
+     elements = node._elements;
+     i = 0;
+     if (elements.length === 0) {
+      break;
+     }
+    }
+    callback(elements[i]);
+    ++i;
+   }
+  };
+  SimpleQueue.prototype.peek = function () {
+   var front = this._front;
+   var cursor = this._cursor;
+   return front._elements[cursor];
+  };
+  return SimpleQueue;
+ }();
+ function ReadableStreamCreateReadResult(value, done, forAuthorCode) {
+  var prototype = null;
+  if (forAuthorCode === true) {
+   prototype = Object.prototype;
+  }
+  var obj = Object.create(prototype);
+  obj.value = value;
+  obj.done = done;
+  return obj;
+ }
+ function ReadableStreamReaderGenericInitialize(reader, stream) {
+  reader._forAuthorCode = true;
+  reader._ownerReadableStream = stream;
+  stream._reader = reader;
+  if (stream._state === 'readable') {
+   defaultReaderClosedPromiseInitialize(reader);
+  } else if (stream._state === 'closed') {
+   defaultReaderClosedPromiseInitializeAsResolved(reader);
+  } else {
+   defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
+  }
+ }
+ function ReadableStreamReaderGenericCancel(reader, reason) {
+  var stream = reader._ownerReadableStream;
+  return ReadableStreamCancel(stream, reason);
+ }
+ function ReadableStreamReaderGenericRelease(reader) {
+  if (reader._ownerReadableStream._state === 'readable') {
+   defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+  } else {
+   defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+  }
+  reader._ownerReadableStream._reader = undefined;
+  reader._ownerReadableStream = undefined;
+ }
+ function readerLockException(name) {
+  return new TypeError('Cannot ' + name + ' a stream using a released reader');
+ }
+ function defaultReaderClosedPromiseInitialize(reader) {
+  reader._closedPromise = newPromise(function (resolve, reject) {
+   reader._closedPromise_resolve = resolve;
+   reader._closedPromise_reject = reject;
+  });
+ }
+ function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
+  defaultReaderClosedPromiseInitialize(reader);
+  defaultReaderClosedPromiseReject(reader, reason);
+ }
+ function defaultReaderClosedPromiseInitializeAsResolved(reader) {
+  defaultReaderClosedPromiseInitialize(reader);
+  defaultReaderClosedPromiseResolve(reader);
+ }
+ function defaultReaderClosedPromiseReject(reader, reason) {
+  setPromiseIsHandledToTrue(reader._closedPromise);
+  reader._closedPromise_reject(reason);
+  reader._closedPromise_resolve = undefined;
+  reader._closedPromise_reject = undefined;
+ }
+ function defaultReaderClosedPromiseResetToRejected(reader, reason) {
+  defaultReaderClosedPromiseInitializeAsRejected(reader, reason);
+ }
+ function defaultReaderClosedPromiseResolve(reader) {
+  reader._closedPromise_resolve(undefined);
+  reader._closedPromise_resolve = undefined;
+  reader._closedPromise_reject = undefined;
+ }
+ var CancelSteps = SymbolPolyfill('[[CancelSteps]]');
+ var PullSteps = SymbolPolyfill('[[PullSteps]]');
+ function AcquireReadableStreamDefaultReader(stream, forAuthorCode) {
+  if (forAuthorCode === void 0) {
+   forAuthorCode = false;
+  }
+  var reader = new ReadableStreamDefaultReader(stream);
+  reader._forAuthorCode = forAuthorCode;
+  return reader;
+ }
+ function ReadableStreamAddReadRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var readRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._reader._readRequests.push(readRequest);
+  });
+  return promise;
+ }
+ function ReadableStreamFulfillReadRequest(stream, chunk, done) {
+  var reader = stream._reader;
+  var readRequest = reader._readRequests.shift();
+  readRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));
+ }
+ function ReadableStreamGetNumReadRequests(stream) {
+  return stream._reader._readRequests.length;
+ }
+ function ReadableStreamHasDefaultReader(stream) {
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return false;
+  }
+  if (!IsReadableStreamDefaultReader(reader)) {
+   return false;
+  }
+  return true;
+ }
+ var ReadableStreamDefaultReader = function () {
+  function ReadableStreamDefaultReader(stream) {
+   if (IsReadableStream(stream) === false) {
+    throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
+   }
+   if (IsReadableStreamLocked(stream) === true) {
+    throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+   }
+   ReadableStreamReaderGenericInitialize(this, stream);
+   this._readRequests = new SimpleQueue();
+  }
+  Object.defineProperty(ReadableStreamDefaultReader.prototype, "closed", {
+   get: function () {
+    if (!IsReadableStreamDefaultReader(this)) {
+     return promiseRejectedWith(defaultReaderBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamDefaultReader.prototype.cancel = function (reason) {
+   if (!IsReadableStreamDefaultReader(this)) {
+    return promiseRejectedWith(defaultReaderBrandCheckException('cancel'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('cancel'));
+   }
+   return ReadableStreamReaderGenericCancel(this, reason);
+  };
+  ReadableStreamDefaultReader.prototype.read = function () {
+   if (!IsReadableStreamDefaultReader(this)) {
+    return promiseRejectedWith(defaultReaderBrandCheckException('read'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('read from'));
+   }
+   return ReadableStreamDefaultReaderRead(this);
+  };
+  ReadableStreamDefaultReader.prototype.releaseLock = function () {
+   if (!IsReadableStreamDefaultReader(this)) {
+    throw defaultReaderBrandCheckException('releaseLock');
+   }
+   if (this._ownerReadableStream === undefined) {
+    return;
+   }
+   if (this._readRequests.length > 0) {
+    throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+   }
+   ReadableStreamReaderGenericRelease(this);
+  };
+  return ReadableStreamDefaultReader;
+ }();
+ function IsReadableStreamDefaultReader(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultReaderRead(reader) {
+  var stream = reader._ownerReadableStream;
+  stream._disturbed = true;
+  if (stream._state === 'closed') {
+   return promiseResolvedWith(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));
+  }
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return stream._readableStreamController[PullSteps]();
+ }
+ function defaultReaderBrandCheckException(name) {
+  return new TypeError("ReadableStreamDefaultReader.prototype." + name + " can only be used on a ReadableStreamDefaultReader");
+ }
+ var _a;
+ var AsyncIteratorPrototype;
+ if (typeof SymbolPolyfill.asyncIterator === 'symbol') {
+  AsyncIteratorPrototype = (_a = {}, _a[SymbolPolyfill.asyncIterator] = function () {
+   return this;
+  }, _a);
+  Object.defineProperty(AsyncIteratorPrototype, SymbolPolyfill.asyncIterator, { enumerable: false });
+ }
+ var ReadableStreamAsyncIteratorPrototype = {
+  next: function () {
+   if (IsReadableStreamAsyncIterator(this) === false) {
+    return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));
+   }
+   var reader = this._asyncIteratorReader;
+   if (reader._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('iterate'));
+   }
+   return transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {
+    var done = result.done;
+    if (done) {
+     ReadableStreamReaderGenericRelease(reader);
+    }
+    var value = result.value;
+    return ReadableStreamCreateReadResult(value, done, true);
+   });
+  },
+  return: function (value) {
+   if (IsReadableStreamAsyncIterator(this) === false) {
+    return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));
+   }
+   var reader = this._asyncIteratorReader;
+   if (reader._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('finish iterating'));
+   }
+   if (reader._readRequests.length > 0) {
+    return promiseRejectedWith(new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'));
+   }
+   if (this._preventCancel === false) {
+    var result = ReadableStreamReaderGenericCancel(reader, value);
+    ReadableStreamReaderGenericRelease(reader);
+    return transformPromiseWith(result, function () {
+     return ReadableStreamCreateReadResult(value, true, true);
+    });
+   }
+   ReadableStreamReaderGenericRelease(reader);
+   return promiseResolvedWith(ReadableStreamCreateReadResult(value, true, true));
+  }
+ };
+ if (AsyncIteratorPrototype !== undefined) {
+  Object.setPrototypeOf(ReadableStreamAsyncIteratorPrototype, AsyncIteratorPrototype);
+ }
+ Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'next', { enumerable: false });
+ Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'return', { enumerable: false });
+ function AcquireReadableStreamAsyncIterator(stream, preventCancel) {
+  if (preventCancel === void 0) {
+   preventCancel = false;
+  }
+  var reader = AcquireReadableStreamDefaultReader(stream);
+  var iterator = Object.create(ReadableStreamAsyncIteratorPrototype);
+  iterator._asyncIteratorReader = reader;
+  iterator._preventCancel = Boolean(preventCancel);
+  return iterator;
+ }
+ function IsReadableStreamAsyncIterator(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_asyncIteratorReader')) {
+   return false;
+  }
+  return true;
+ }
+ function streamAsyncIteratorBrandCheckException(name) {
+  return new TypeError("ReadableStreamAsyncIterator." + name + " can only be used on a ReadableSteamAsyncIterator");
+ }
+ function DequeueValue(container) {
+  var pair = container._queue.shift();
+  container._queueTotalSize -= pair.size;
+  if (container._queueTotalSize < 0) {
+   container._queueTotalSize = 0;
+  }
+  return pair.value;
+ }
+ function EnqueueValueWithSize(container, value, size) {
+  size = Number(size);
+  if (!IsFiniteNonNegativeNumber(size)) {
+   throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
+  }
+  container._queue.push({
+   value: value,
+   size: size
+  });
+  container._queueTotalSize += size;
+ }
+ function PeekQueueValue(container) {
+  var pair = container._queue.peek();
+  return pair.value;
+ }
+ function ResetQueue(container) {
+  container._queue = new SimpleQueue();
+  container._queueTotalSize = 0;
+ }
+ var AbortSteps = SymbolPolyfill('[[AbortSteps]]');
+ var ErrorSteps = SymbolPolyfill('[[ErrorSteps]]');
+ var WritableStream = function () {
+  function WritableStream(underlyingSink, strategy) {
+   if (underlyingSink === void 0) {
+    underlyingSink = {};
+   }
+   if (strategy === void 0) {
+    strategy = {};
+   }
+   InitializeWritableStream(this);
+   var size = strategy.size;
+   var highWaterMark = strategy.highWaterMark;
+   var type = underlyingSink.type;
+   if (type !== undefined) {
+    throw new RangeError('Invalid type is specified');
+   }
+   var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);
+   if (highWaterMark === undefined) {
+    highWaterMark = 1;
+   }
+   highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+   SetUpWritableStreamDefaultControllerFromUnderlyingSink(this, underlyingSink, highWaterMark, sizeAlgorithm);
+  }
+  Object.defineProperty(WritableStream.prototype, "locked", {
+   get: function () {
+    if (IsWritableStream(this) === false) {
+     throw streamBrandCheckException('locked');
+    }
+    return IsWritableStreamLocked(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  WritableStream.prototype.abort = function (reason) {
+   if (IsWritableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException('abort'));
+   }
+   if (IsWritableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot abort a stream that already has a writer'));
+   }
+   return WritableStreamAbort(this, reason);
+  };
+  WritableStream.prototype.close = function () {
+   if (IsWritableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException('close'));
+   }
+   if (IsWritableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close a stream that already has a writer'));
+   }
+   if (WritableStreamCloseQueuedOrInFlight(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));
+   }
+   return WritableStreamClose(this);
+  };
+  WritableStream.prototype.getWriter = function () {
+   if (IsWritableStream(this) === false) {
+    throw streamBrandCheckException('getWriter');
+   }
+   return AcquireWritableStreamDefaultWriter(this);
+  };
+  return WritableStream;
+ }();
+ function AcquireWritableStreamDefaultWriter(stream) {
+  return new WritableStreamDefaultWriter(stream);
+ }
+ function CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {
+  if (highWaterMark === void 0) {
+   highWaterMark = 1;
+  }
+  if (sizeAlgorithm === void 0) {
+   sizeAlgorithm = function () {
+    return 1;
+   };
+  }
+  var stream = Object.create(WritableStream.prototype);
+  InitializeWritableStream(stream);
+  var controller = Object.create(WritableStreamDefaultController.prototype);
+  SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);
+  return stream;
+ }
+ function InitializeWritableStream(stream) {
+  stream._state = 'writable';
+  stream._storedError = undefined;
+  stream._writer = undefined;
+  stream._writableStreamController = undefined;
+  stream._writeRequests = new SimpleQueue();
+  stream._inFlightWriteRequest = undefined;
+  stream._closeRequest = undefined;
+  stream._inFlightCloseRequest = undefined;
+  stream._pendingAbortRequest = undefined;
+  stream._backpressure = false;
+ }
+ function IsWritableStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function IsWritableStreamLocked(stream) {
+  if (stream._writer === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamAbort(stream, reason) {
+  var state = stream._state;
+  if (state === 'closed' || state === 'errored') {
+   return promiseResolvedWith(undefined);
+  }
+  if (stream._pendingAbortRequest !== undefined) {
+   return stream._pendingAbortRequest._promise;
+  }
+  var wasAlreadyErroring = false;
+  if (state === 'erroring') {
+   wasAlreadyErroring = true;
+   reason = undefined;
+  }
+  var promise = newPromise(function (resolve, reject) {
+   stream._pendingAbortRequest = {
+    _promise: undefined,
+    _resolve: resolve,
+    _reject: reject,
+    _reason: reason,
+    _wasAlreadyErroring: wasAlreadyErroring
+   };
+  });
+  stream._pendingAbortRequest._promise = promise;
+  if (wasAlreadyErroring === false) {
+   WritableStreamStartErroring(stream, reason);
+  }
+  return promise;
+ }
+ function WritableStreamClose(stream) {
+  var state = stream._state;
+  if (state === 'closed' || state === 'errored') {
+   return promiseRejectedWith(new TypeError("The stream (in " + state + " state) is not in the writable state and cannot be closed"));
+  }
+  var promise = newPromise(function (resolve, reject) {
+   var closeRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._closeRequest = closeRequest;
+  });
+  var writer = stream._writer;
+  if (writer !== undefined && stream._backpressure === true && state === 'writable') {
+   defaultWriterReadyPromiseResolve(writer);
+  }
+  WritableStreamDefaultControllerClose(stream._writableStreamController);
+  return promise;
+ }
+ function WritableStreamAddWriteRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var writeRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._writeRequests.push(writeRequest);
+  });
+  return promise;
+ }
+ function WritableStreamDealWithRejection(stream, error) {
+  var state = stream._state;
+  if (state === 'writable') {
+   WritableStreamStartErroring(stream, error);
+   return;
+  }
+  WritableStreamFinishErroring(stream);
+ }
+ function WritableStreamStartErroring(stream, reason) {
+  var controller = stream._writableStreamController;
+  stream._state = 'erroring';
+  stream._storedError = reason;
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
+  }
+  if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
+   WritableStreamFinishErroring(stream);
+  }
+ }
+ function WritableStreamFinishErroring(stream) {
+  stream._state = 'errored';
+  stream._writableStreamController[ErrorSteps]();
+  var storedError = stream._storedError;
+  stream._writeRequests.forEach(function (writeRequest) {
+   writeRequest._reject(storedError);
+  });
+  stream._writeRequests = new SimpleQueue();
+  if (stream._pendingAbortRequest === undefined) {
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+   return;
+  }
+  var abortRequest = stream._pendingAbortRequest;
+  stream._pendingAbortRequest = undefined;
+  if (abortRequest._wasAlreadyErroring === true) {
+   abortRequest._reject(storedError);
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+   return;
+  }
+  var promise = stream._writableStreamController[AbortSteps](abortRequest._reason);
+  uponPromise(promise, function () {
+   abortRequest._resolve();
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+  }, function (reason) {
+   abortRequest._reject(reason);
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+  });
+ }
+ function WritableStreamFinishInFlightWrite(stream) {
+  stream._inFlightWriteRequest._resolve(undefined);
+  stream._inFlightWriteRequest = undefined;
+ }
+ function WritableStreamFinishInFlightWriteWithError(stream, error) {
+  stream._inFlightWriteRequest._reject(error);
+  stream._inFlightWriteRequest = undefined;
+  WritableStreamDealWithRejection(stream, error);
+ }
+ function WritableStreamFinishInFlightClose(stream) {
+  stream._inFlightCloseRequest._resolve(undefined);
+  stream._inFlightCloseRequest = undefined;
+  var state = stream._state;
+  if (state === 'erroring') {
+   stream._storedError = undefined;
+   if (stream._pendingAbortRequest !== undefined) {
+    stream._pendingAbortRequest._resolve();
+    stream._pendingAbortRequest = undefined;
+   }
+  }
+  stream._state = 'closed';
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   defaultWriterClosedPromiseResolve(writer);
+  }
+ }
+ function WritableStreamFinishInFlightCloseWithError(stream, error) {
+  stream._inFlightCloseRequest._reject(error);
+  stream._inFlightCloseRequest = undefined;
+  if (stream._pendingAbortRequest !== undefined) {
+   stream._pendingAbortRequest._reject(error);
+   stream._pendingAbortRequest = undefined;
+  }
+  WritableStreamDealWithRejection(stream, error);
+ }
+ function WritableStreamCloseQueuedOrInFlight(stream) {
+  if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamHasOperationMarkedInFlight(stream) {
+  if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamMarkCloseRequestInFlight(stream) {
+  stream._inFlightCloseRequest = stream._closeRequest;
+  stream._closeRequest = undefined;
+ }
+ function WritableStreamMarkFirstWriteRequestInFlight(stream) {
+  stream._inFlightWriteRequest = stream._writeRequests.shift();
+ }
+ function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
+  if (stream._closeRequest !== undefined) {
+   stream._closeRequest._reject(stream._storedError);
+   stream._closeRequest = undefined;
+  }
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   defaultWriterClosedPromiseReject(writer, stream._storedError);
+  }
+ }
+ function WritableStreamUpdateBackpressure(stream, backpressure) {
+  var writer = stream._writer;
+  if (writer !== undefined && backpressure !== stream._backpressure) {
+   if (backpressure === true) {
+    defaultWriterReadyPromiseReset(writer);
+   } else {
+    defaultWriterReadyPromiseResolve(writer);
+   }
+  }
+  stream._backpressure = backpressure;
+ }
+ var WritableStreamDefaultWriter = function () {
+  function WritableStreamDefaultWriter(stream) {
+   if (IsWritableStream(stream) === false) {
+    throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
+   }
+   if (IsWritableStreamLocked(stream) === true) {
+    throw new TypeError('This stream has already been locked for exclusive writing by another writer');
+   }
+   this._ownerWritableStream = stream;
+   stream._writer = this;
+   var state = stream._state;
+   if (state === 'writable') {
+    if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
+     defaultWriterReadyPromiseInitialize(this);
+    } else {
+     defaultWriterReadyPromiseInitializeAsResolved(this);
+    }
+    defaultWriterClosedPromiseInitialize(this);
+   } else if (state === 'erroring') {
+    defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
+    defaultWriterClosedPromiseInitialize(this);
+   } else if (state === 'closed') {
+    defaultWriterReadyPromiseInitializeAsResolved(this);
+    defaultWriterClosedPromiseInitializeAsResolved(this);
+   } else {
+    var storedError = stream._storedError;
+    defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
+    defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
+   }
+  }
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "closed", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     return promiseRejectedWith(defaultWriterBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "desiredSize", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     throw defaultWriterBrandCheckException('desiredSize');
+    }
+    if (this._ownerWritableStream === undefined) {
+     throw defaultWriterLockException('desiredSize');
+    }
+    return WritableStreamDefaultWriterGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "ready", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     return promiseRejectedWith(defaultWriterBrandCheckException('ready'));
+    }
+    return this._readyPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  WritableStreamDefaultWriter.prototype.abort = function (reason) {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('abort'));
+   }
+   if (this._ownerWritableStream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('abort'));
+   }
+   return WritableStreamDefaultWriterAbort(this, reason);
+  };
+  WritableStreamDefaultWriter.prototype.close = function () {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('close'));
+   }
+   var stream = this._ownerWritableStream;
+   if (stream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('close'));
+   }
+   if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));
+   }
+   return WritableStreamDefaultWriterClose(this);
+  };
+  WritableStreamDefaultWriter.prototype.releaseLock = function () {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    throw defaultWriterBrandCheckException('releaseLock');
+   }
+   var stream = this._ownerWritableStream;
+   if (stream === undefined) {
+    return;
+   }
+   WritableStreamDefaultWriterRelease(this);
+  };
+  WritableStreamDefaultWriter.prototype.write = function (chunk) {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('write'));
+   }
+   if (this._ownerWritableStream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('write to'));
+   }
+   return WritableStreamDefaultWriterWrite(this, chunk);
+  };
+  return WritableStreamDefaultWriter;
+ }();
+ function IsWritableStreamDefaultWriter(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamDefaultWriterAbort(writer, reason) {
+  var stream = writer._ownerWritableStream;
+  return WritableStreamAbort(stream, reason);
+ }
+ function WritableStreamDefaultWriterClose(writer) {
+  var stream = writer._ownerWritableStream;
+  return WritableStreamClose(stream);
+ }
+ function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
+  var stream = writer._ownerWritableStream;
+  var state = stream._state;
+  if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+   return promiseResolvedWith(undefined);
+  }
+  if (state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return WritableStreamDefaultWriterClose(writer);
+ }
+ function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
+  if (writer._closedPromiseState === 'pending') {
+   defaultWriterClosedPromiseReject(writer, error);
+  } else {
+   defaultWriterClosedPromiseResetToRejected(writer, error);
+  }
+ }
+ function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
+  if (writer._readyPromiseState === 'pending') {
+   defaultWriterReadyPromiseReject(writer, error);
+  } else {
+   defaultWriterReadyPromiseResetToRejected(writer, error);
+  }
+ }
+ function WritableStreamDefaultWriterGetDesiredSize(writer) {
+  var stream = writer._ownerWritableStream;
+  var state = stream._state;
+  if (state === 'errored' || state === 'erroring') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
+ }
+ function WritableStreamDefaultWriterRelease(writer) {
+  var stream = writer._ownerWritableStream;
+  var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
+  WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
+  WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
+  stream._writer = undefined;
+  writer._ownerWritableStream = undefined;
+ }
+ function WritableStreamDefaultWriterWrite(writer, chunk) {
+  var stream = writer._ownerWritableStream;
+  var controller = stream._writableStreamController;
+  var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
+  if (stream !== writer._ownerWritableStream) {
+   return promiseRejectedWith(defaultWriterLockException('write to'));
+  }
+  var state = stream._state;
+  if (state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+   return promiseRejectedWith(new TypeError('The stream is closing or closed and cannot be written to'));
+  }
+  if (state === 'erroring') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  var promise = WritableStreamAddWriteRequest(stream);
+  WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
+  return promise;
+ }
+ var WritableStreamDefaultController = function () {
+  function WritableStreamDefaultController() {
+   throw new TypeError('WritableStreamDefaultController cannot be constructed explicitly');
+  }
+  WritableStreamDefaultController.prototype.error = function (e) {
+   if (IsWritableStreamDefaultController(this) === false) {
+    throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
+   }
+   var state = this._controlledWritableStream._state;
+   if (state !== 'writable') {
+    return;
+   }
+   WritableStreamDefaultControllerError(this, e);
+  };
+  WritableStreamDefaultController.prototype[AbortSteps] = function (reason) {
+   var result = this._abortAlgorithm(reason);
+   WritableStreamDefaultControllerClearAlgorithms(this);
+   return result;
+  };
+  WritableStreamDefaultController.prototype[ErrorSteps] = function () {
+   ResetQueue(this);
+  };
+  return WritableStreamDefaultController;
+ }();
+ function IsWritableStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledWritableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {
+  controller._controlledWritableStream = stream;
+  stream._writableStreamController = controller;
+  controller._queue = undefined;
+  controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._started = false;
+  controller._strategySizeAlgorithm = sizeAlgorithm;
+  controller._strategyHWM = highWaterMark;
+  controller._writeAlgorithm = writeAlgorithm;
+  controller._closeAlgorithm = closeAlgorithm;
+  controller._abortAlgorithm = abortAlgorithm;
+  var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+  WritableStreamUpdateBackpressure(stream, backpressure);
+  var startResult = startAlgorithm();
+  var startPromise = promiseResolvedWith(startResult);
+  uponPromise(startPromise, function () {
+   controller._started = true;
+   WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }, function (r) {
+   controller._started = true;
+   WritableStreamDealWithRejection(stream, r);
+  });
+ }
+ function SetUpWritableStreamDefaultControllerFromUnderlyingSink(stream, underlyingSink, highWaterMark, sizeAlgorithm) {
+  var controller = Object.create(WritableStreamDefaultController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingSink, 'start', [controller]);
+  }
+  var writeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'write', 1, [controller]);
+  var closeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'close', 0, []);
+  var abortAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'abort', 1, []);
+  SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);
+ }
+ function WritableStreamDefaultControllerClearAlgorithms(controller) {
+  controller._writeAlgorithm = undefined;
+  controller._closeAlgorithm = undefined;
+  controller._abortAlgorithm = undefined;
+  controller._strategySizeAlgorithm = undefined;
+ }
+ function WritableStreamDefaultControllerClose(controller) {
+  EnqueueValueWithSize(controller, 'close', 0);
+  WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+ }
+ function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
+  try {
+   return controller._strategySizeAlgorithm(chunk);
+  } catch (chunkSizeE) {
+   WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
+   return 1;
+  }
+ }
+ function WritableStreamDefaultControllerGetDesiredSize(controller) {
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
+  var writeRecord = { chunk: chunk };
+  try {
+   EnqueueValueWithSize(controller, writeRecord, chunkSize);
+  } catch (enqueueE) {
+   WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
+   return;
+  }
+  var stream = controller._controlledWritableStream;
+  if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
+   var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+   WritableStreamUpdateBackpressure(stream, backpressure);
+  }
+  WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+ }
+ function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
+  var stream = controller._controlledWritableStream;
+  if (controller._started === false) {
+   return;
+  }
+  if (stream._inFlightWriteRequest !== undefined) {
+   return;
+  }
+  var state = stream._state;
+  if (state === 'erroring') {
+   WritableStreamFinishErroring(stream);
+   return;
+  }
+  if (controller._queue.length === 0) {
+   return;
+  }
+  var writeRecord = PeekQueueValue(controller);
+  if (writeRecord === 'close') {
+   WritableStreamDefaultControllerProcessClose(controller);
+  } else {
+   WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
+  }
+ }
+ function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
+  if (controller._controlledWritableStream._state === 'writable') {
+   WritableStreamDefaultControllerError(controller, error);
+  }
+ }
+ function WritableStreamDefaultControllerProcessClose(controller) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamMarkCloseRequestInFlight(stream);
+  DequeueValue(controller);
+  var sinkClosePromise = controller._closeAlgorithm();
+  WritableStreamDefaultControllerClearAlgorithms(controller);
+  uponPromise(sinkClosePromise, function () {
+   WritableStreamFinishInFlightClose(stream);
+  }, function (reason) {
+   WritableStreamFinishInFlightCloseWithError(stream, reason);
+  });
+ }
+ function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamMarkFirstWriteRequestInFlight(stream);
+  var sinkWritePromise = controller._writeAlgorithm(chunk);
+  uponPromise(sinkWritePromise, function () {
+   WritableStreamFinishInFlightWrite(stream);
+   var state = stream._state;
+   DequeueValue(controller);
+   if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
+    var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+    WritableStreamUpdateBackpressure(stream, backpressure);
+   }
+   WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }, function (reason) {
+   if (stream._state === 'writable') {
+    WritableStreamDefaultControllerClearAlgorithms(controller);
+   }
+   WritableStreamFinishInFlightWriteWithError(stream, reason);
+  });
+ }
+ function WritableStreamDefaultControllerGetBackpressure(controller) {
+  var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
+  return desiredSize <= 0;
+ }
+ function WritableStreamDefaultControllerError(controller, error) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamDefaultControllerClearAlgorithms(controller);
+  WritableStreamStartErroring(stream, error);
+ }
+ function streamBrandCheckException(name) {
+  return new TypeError("WritableStream.prototype." + name + " can only be used on a WritableStream");
+ }
+ function defaultWriterBrandCheckException(name) {
+  return new TypeError("WritableStreamDefaultWriter.prototype." + name + " can only be used on a WritableStreamDefaultWriter");
+ }
+ function defaultWriterLockException(name) {
+  return new TypeError('Cannot ' + name + ' a stream using a released writer');
+ }
+ function defaultWriterClosedPromiseInitialize(writer) {
+  writer._closedPromise = newPromise(function (resolve, reject) {
+   writer._closedPromise_resolve = resolve;
+   writer._closedPromise_reject = reject;
+   writer._closedPromiseState = 'pending';
+  });
+ }
+ function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
+  defaultWriterClosedPromiseInitialize(writer);
+  defaultWriterClosedPromiseReject(writer, reason);
+ }
+ function defaultWriterClosedPromiseInitializeAsResolved(writer) {
+  defaultWriterClosedPromiseInitialize(writer);
+  defaultWriterClosedPromiseResolve(writer);
+ }
+ function defaultWriterClosedPromiseReject(writer, reason) {
+  setPromiseIsHandledToTrue(writer._closedPromise);
+  writer._closedPromise_reject(reason);
+  writer._closedPromise_resolve = undefined;
+  writer._closedPromise_reject = undefined;
+  writer._closedPromiseState = 'rejected';
+ }
+ function defaultWriterClosedPromiseResetToRejected(writer, reason) {
+  defaultWriterClosedPromiseInitializeAsRejected(writer, reason);
+ }
+ function defaultWriterClosedPromiseResolve(writer) {
+  writer._closedPromise_resolve(undefined);
+  writer._closedPromise_resolve = undefined;
+  writer._closedPromise_reject = undefined;
+  writer._closedPromiseState = 'resolved';
+ }
+ function defaultWriterReadyPromiseInitialize(writer) {
+  writer._readyPromise = newPromise(function (resolve, reject) {
+   writer._readyPromise_resolve = resolve;
+   writer._readyPromise_reject = reject;
+  });
+  writer._readyPromiseState = 'pending';
+ }
+ function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
+  defaultWriterReadyPromiseInitialize(writer);
+  defaultWriterReadyPromiseReject(writer, reason);
+ }
+ function defaultWriterReadyPromiseInitializeAsResolved(writer) {
+  defaultWriterReadyPromiseInitialize(writer);
+  defaultWriterReadyPromiseResolve(writer);
+ }
+ function defaultWriterReadyPromiseReject(writer, reason) {
+  setPromiseIsHandledToTrue(writer._readyPromise);
+  writer._readyPromise_reject(reason);
+  writer._readyPromise_resolve = undefined;
+  writer._readyPromise_reject = undefined;
+  writer._readyPromiseState = 'rejected';
+ }
+ function defaultWriterReadyPromiseReset(writer) {
+  defaultWriterReadyPromiseInitialize(writer);
+ }
+ function defaultWriterReadyPromiseResetToRejected(writer, reason) {
+  defaultWriterReadyPromiseInitializeAsRejected(writer, reason);
+ }
+ function defaultWriterReadyPromiseResolve(writer) {
+  writer._readyPromise_resolve(undefined);
+  writer._readyPromise_resolve = undefined;
+  writer._readyPromise_reject = undefined;
+  writer._readyPromiseState = 'fulfilled';
+ }
+ function isAbortSignal(value) {
+  if (typeof value !== 'object' || value === null) {
+   return false;
+  }
+  try {
+   return typeof value.aborted === 'boolean';
+  } catch (_a) {
+   return false;
+  }
+ }
+ var NativeDOMException = typeof DOMException !== 'undefined' ? DOMException : undefined;
+ function isDOMExceptionConstructor(ctor) {
+  if (!(typeof ctor === 'function' || typeof ctor === 'object')) {
+   return false;
+  }
+  try {
+   new ctor();
+   return true;
+  } catch (_a) {
+   return false;
+  }
+ }
+ function createDOMExceptionPolyfill() {
+  var ctor = function DOMException(message, name) {
+   this.message = message || '';
+   this.name = name || 'Error';
+   if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, this.constructor);
+   }
+  };
+  ctor.prototype = Object.create(Error.prototype);
+  Object.defineProperty(ctor.prototype, 'constructor', {
+   value: ctor,
+   writable: true,
+   configurable: true
+  });
+  return ctor;
+ }
+ var DOMException$1 = isDOMExceptionConstructor(NativeDOMException) ? NativeDOMException : createDOMExceptionPolyfill();
+ function ReadableStreamPipeTo(source, dest, preventClose, preventAbort, preventCancel, signal) {
+  var reader = AcquireReadableStreamDefaultReader(source);
+  var writer = AcquireWritableStreamDefaultWriter(dest);
+  source._disturbed = true;
+  var shuttingDown = false;
+  var currentWrite = promiseResolvedWith(undefined);
+  return newPromise(function (resolve, reject) {
+   var abortAlgorithm;
+   if (signal !== undefined) {
+    abortAlgorithm = function () {
+     var error = new DOMException$1('Aborted', 'AbortError');
+     var actions = [];
+     if (preventAbort === false) {
+      actions.push(function () {
+       if (dest._state === 'writable') {
+        return WritableStreamAbort(dest, error);
+       }
+       return promiseResolvedWith(undefined);
+      });
+     }
+     if (preventCancel === false) {
+      actions.push(function () {
+       if (source._state === 'readable') {
+        return ReadableStreamCancel(source, error);
+       }
+       return promiseResolvedWith(undefined);
+      });
+     }
+     shutdownWithAction(function () {
+      return Promise.all(actions.map(function (action) {
+       return action();
+      }));
+     }, true, error);
+    };
+    if (signal.aborted === true) {
+     abortAlgorithm();
+     return;
+    }
+    signal.addEventListener('abort', abortAlgorithm);
+   }
+   function pipeLoop() {
+    return newPromise(function (resolveLoop, rejectLoop) {
+     function next(done) {
+      if (done) {
+       resolveLoop();
+      } else {
+       PerformPromiseThen(pipeStep(), next, rejectLoop);
+      }
+     }
+     next(false);
+    });
+   }
+   function pipeStep() {
+    if (shuttingDown === true) {
+     return promiseResolvedWith(true);
+    }
+    return PerformPromiseThen(writer._readyPromise, function () {
+     return PerformPromiseThen(ReadableStreamDefaultReaderRead(reader), function (result) {
+      if (result.done === true) {
+       return true;
+      }
+      currentWrite = PerformPromiseThen(WritableStreamDefaultWriterWrite(writer, result.value), undefined, noop);
+      return false;
+     });
+    });
+   }
+   isOrBecomesErrored(source, reader._closedPromise, function (storedError) {
+    if (preventAbort === false) {
+     shutdownWithAction(function () {
+      return WritableStreamAbort(dest, storedError);
+     }, true, storedError);
+    } else {
+     shutdown(true, storedError);
+    }
+   });
+   isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
+    if (preventCancel === false) {
+     shutdownWithAction(function () {
+      return ReadableStreamCancel(source, storedError);
+     }, true, storedError);
+    } else {
+     shutdown(true, storedError);
+    }
+   });
+   isOrBecomesClosed(source, reader._closedPromise, function () {
+    if (preventClose === false) {
+     shutdownWithAction(function () {
+      return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
+     });
+    } else {
+     shutdown();
+    }
+   });
+   if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
+    var destClosed_1 = new TypeError('the destination writable stream closed before all data could be piped to it');
+    if (preventCancel === false) {
+     shutdownWithAction(function () {
+      return ReadableStreamCancel(source, destClosed_1);
+     }, true, destClosed_1);
+    } else {
+     shutdown(true, destClosed_1);
+    }
+   }
+   setPromiseIsHandledToTrue(pipeLoop());
+   function waitForWritesToFinish() {
+    var oldCurrentWrite = currentWrite;
+    return PerformPromiseThen(currentWrite, function () {
+     return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
+    });
+   }
+   function isOrBecomesErrored(stream, promise, action) {
+    if (stream._state === 'errored') {
+     action(stream._storedError);
+    } else {
+     uponRejection(promise, action);
+    }
+   }
+   function isOrBecomesClosed(stream, promise, action) {
+    if (stream._state === 'closed') {
+     action();
+    } else {
+     uponFulfillment(promise, action);
+    }
+   }
+   function shutdownWithAction(action, originalIsError, originalError) {
+    if (shuttingDown === true) {
+     return;
+    }
+    shuttingDown = true;
+    if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+     uponFulfillment(waitForWritesToFinish(), doTheRest);
+    } else {
+     doTheRest();
+    }
+    function doTheRest() {
+     uponPromise(action(), function () {
+      return finalize(originalIsError, originalError);
+     }, function (newError) {
+      return finalize(true, newError);
+     });
+    }
+   }
+   function shutdown(isError, error) {
+    if (shuttingDown === true) {
+     return;
+    }
+    shuttingDown = true;
+    if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+     uponFulfillment(waitForWritesToFinish(), function () {
+      return finalize(isError, error);
+     });
+    } else {
+     finalize(isError, error);
+    }
+   }
+   function finalize(isError, error) {
+    WritableStreamDefaultWriterRelease(writer);
+    ReadableStreamReaderGenericRelease(reader);
+    if (signal !== undefined) {
+     signal.removeEventListener('abort', abortAlgorithm);
+    }
+    if (isError) {
+     reject(error);
+    } else {
+     resolve(undefined);
+    }
+   }
+  });
+ }
+ var ReadableStreamDefaultController = function () {
+  function ReadableStreamDefaultController() {
+   throw new TypeError();
+  }
+  Object.defineProperty(ReadableStreamDefaultController.prototype, "desiredSize", {
+   get: function () {
+    if (IsReadableStreamDefaultController(this) === false) {
+     throw defaultControllerBrandCheckException('desiredSize');
+    }
+    return ReadableStreamDefaultControllerGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamDefaultController.prototype.close = function () {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('close');
+   }
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {
+    throw new TypeError('The stream is not in a state that permits close');
+   }
+   ReadableStreamDefaultControllerClose(this);
+  };
+  ReadableStreamDefaultController.prototype.enqueue = function (chunk) {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('enqueue');
+   }
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {
+    throw new TypeError('The stream is not in a state that permits enqueue');
+   }
+   return ReadableStreamDefaultControllerEnqueue(this, chunk);
+  };
+  ReadableStreamDefaultController.prototype.error = function (e) {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('error');
+   }
+   ReadableStreamDefaultControllerError(this, e);
+  };
+  ReadableStreamDefaultController.prototype[CancelSteps] = function (reason) {
+   ResetQueue(this);
+   var result = this._cancelAlgorithm(reason);
+   ReadableStreamDefaultControllerClearAlgorithms(this);
+   return result;
+  };
+  ReadableStreamDefaultController.prototype[PullSteps] = function () {
+   var stream = this._controlledReadableStream;
+   if (this._queue.length > 0) {
+    var chunk = DequeueValue(this);
+    if (this._closeRequested === true && this._queue.length === 0) {
+     ReadableStreamDefaultControllerClearAlgorithms(this);
+     ReadableStreamClose(stream);
+    } else {
+     ReadableStreamDefaultControllerCallPullIfNeeded(this);
+    }
+    return promiseResolvedWith(ReadableStreamCreateReadResult(chunk, false, stream._reader._forAuthorCode));
+   }
+   var pendingPromise = ReadableStreamAddReadRequest(stream);
+   ReadableStreamDefaultControllerCallPullIfNeeded(this);
+   return pendingPromise;
+  };
+  return ReadableStreamDefaultController;
+ }();
+ function IsReadableStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
+  var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
+  if (shouldPull === false) {
+   return;
+  }
+  if (controller._pulling === true) {
+   controller._pullAgain = true;
+   return;
+  }
+  controller._pulling = true;
+  var pullPromise = controller._pullAlgorithm();
+  uponPromise(pullPromise, function () {
+   controller._pulling = false;
+   if (controller._pullAgain === true) {
+    controller._pullAgain = false;
+    ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+   }
+  }, function (e) {
+   ReadableStreamDefaultControllerError(controller, e);
+  });
+ }
+ function ReadableStreamDefaultControllerShouldCallPull(controller) {
+  var stream = controller._controlledReadableStream;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) === false) {
+   return false;
+  }
+  if (controller._started === false) {
+   return false;
+  }
+  if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   return true;
+  }
+  var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
+  if (desiredSize > 0) {
+   return true;
+  }
+  return false;
+ }
+ function ReadableStreamDefaultControllerClearAlgorithms(controller) {
+  controller._pullAlgorithm = undefined;
+  controller._cancelAlgorithm = undefined;
+  controller._strategySizeAlgorithm = undefined;
+ }
+ function ReadableStreamDefaultControllerClose(controller) {
+  var stream = controller._controlledReadableStream;
+  controller._closeRequested = true;
+  if (controller._queue.length === 0) {
+   ReadableStreamDefaultControllerClearAlgorithms(controller);
+   ReadableStreamClose(stream);
+  }
+ }
+ function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledReadableStream;
+  if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   ReadableStreamFulfillReadRequest(stream, chunk, false);
+  } else {
+   var chunkSize = void 0;
+   try {
+    chunkSize = controller._strategySizeAlgorithm(chunk);
+   } catch (chunkSizeE) {
+    ReadableStreamDefaultControllerError(controller, chunkSizeE);
+    throw chunkSizeE;
+   }
+   try {
+    EnqueueValueWithSize(controller, chunk, chunkSize);
+   } catch (enqueueE) {
+    ReadableStreamDefaultControllerError(controller, enqueueE);
+    throw enqueueE;
+   }
+  }
+  ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+ }
+ function ReadableStreamDefaultControllerError(controller, e) {
+  var stream = controller._controlledReadableStream;
+  if (stream._state !== 'readable') {
+   return;
+  }
+  ResetQueue(controller);
+  ReadableStreamDefaultControllerClearAlgorithms(controller);
+  ReadableStreamError(stream, e);
+ }
+ function ReadableStreamDefaultControllerGetDesiredSize(controller) {
+  var stream = controller._controlledReadableStream;
+  var state = stream._state;
+  if (state === 'errored') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function ReadableStreamDefaultControllerHasBackpressure(controller) {
+  if (ReadableStreamDefaultControllerShouldCallPull(controller) === true) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) {
+  var state = controller._controlledReadableStream._state;
+  if (controller._closeRequested === false && state === 'readable') {
+   return true;
+  }
+  return false;
+ }
+ function SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {
+  controller._controlledReadableStream = stream;
+  controller._queue = undefined;
+  controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._started = false;
+  controller._closeRequested = false;
+  controller._pullAgain = false;
+  controller._pulling = false;
+  controller._strategySizeAlgorithm = sizeAlgorithm;
+  controller._strategyHWM = highWaterMark;
+  controller._pullAlgorithm = pullAlgorithm;
+  controller._cancelAlgorithm = cancelAlgorithm;
+  stream._readableStreamController = controller;
+  var startResult = startAlgorithm();
+  uponPromise(promiseResolvedWith(startResult), function () {
+   controller._started = true;
+   ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+  }, function (r) {
+   ReadableStreamDefaultControllerError(controller, r);
+  });
+ }
+ function SetUpReadableStreamDefaultControllerFromUnderlyingSource(stream, underlyingSource, highWaterMark, sizeAlgorithm) {
+  var controller = Object.create(ReadableStreamDefaultController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingSource, 'start', [controller]);
+  }
+  var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'pull', 0, [controller]);
+  var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'cancel', 1, []);
+  SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);
+ }
+ function defaultControllerBrandCheckException(name) {
+  return new TypeError("ReadableStreamDefaultController.prototype." + name + " can only be used on a ReadableStreamDefaultController");
+ }
+ function ReadableStreamTee(stream, cloneForBranch2) {
+  var reader = AcquireReadableStreamDefaultReader(stream);
+  var reading = false;
+  var canceled1 = false;
+  var canceled2 = false;
+  var reason1;
+  var reason2;
+  var branch1;
+  var branch2;
+  var resolveCancelPromise;
+  var cancelPromise = newPromise(function (resolve) {
+   resolveCancelPromise = resolve;
+  });
+  function pullAlgorithm() {
+   if (reading === true) {
+    return promiseResolvedWith(undefined);
+   }
+   reading = true;
+   var readPromise = transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {
+    reading = false;
+    var done = result.done;
+    if (done === true) {
+     if (canceled1 === false) {
+      ReadableStreamDefaultControllerClose(branch1._readableStreamController);
+     }
+     if (canceled2 === false) {
+      ReadableStreamDefaultControllerClose(branch2._readableStreamController);
+     }
+     return;
+    }
+    var value = result.value;
+    var value1 = value;
+    var value2 = value;
+    if (canceled1 === false) {
+     ReadableStreamDefaultControllerEnqueue(branch1._readableStreamController, value1);
+    }
+    if (canceled2 === false) {
+     ReadableStreamDefaultControllerEnqueue(branch2._readableStreamController, value2);
+    }
+   });
+   setPromiseIsHandledToTrue(readPromise);
+   return promiseResolvedWith(undefined);
+  }
+  function cancel1Algorithm(reason) {
+   canceled1 = true;
+   reason1 = reason;
+   if (canceled2 === true) {
+    var compositeReason = createArrayFromList([
+     reason1,
+     reason2
+    ]);
+    var cancelResult = ReadableStreamCancel(stream, compositeReason);
+    resolveCancelPromise(cancelResult);
+   }
+   return cancelPromise;
+  }
+  function cancel2Algorithm(reason) {
+   canceled2 = true;
+   reason2 = reason;
+   if (canceled1 === true) {
+    var compositeReason = createArrayFromList([
+     reason1,
+     reason2
+    ]);
+    var cancelResult = ReadableStreamCancel(stream, compositeReason);
+    resolveCancelPromise(cancelResult);
+   }
+   return cancelPromise;
+  }
+  function startAlgorithm() {
+  }
+  branch1 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel1Algorithm);
+  branch2 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel2Algorithm);
+  uponRejection(reader._closedPromise, function (r) {
+   ReadableStreamDefaultControllerError(branch1._readableStreamController, r);
+   ReadableStreamDefaultControllerError(branch2._readableStreamController, r);
+  });
+  return [
+   branch1,
+   branch2
+  ];
+ }
+ var NumberIsInteger = Number.isInteger || function (value) {
+  return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
+ };
+ var ReadableStreamBYOBRequest = function () {
+  function ReadableStreamBYOBRequest() {
+   throw new TypeError('ReadableStreamBYOBRequest cannot be used directly');
+  }
+  Object.defineProperty(ReadableStreamBYOBRequest.prototype, "view", {
+   get: function () {
+    if (IsReadableStreamBYOBRequest(this) === false) {
+     throw byobRequestBrandCheckException('view');
+    }
+    return this._view;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamBYOBRequest.prototype.respond = function (bytesWritten) {
+   if (IsReadableStreamBYOBRequest(this) === false) {
+    throw byobRequestBrandCheckException('respond');
+   }
+   if (this._associatedReadableByteStreamController === undefined) {
+    throw new TypeError('This BYOB request has been invalidated');
+   }
+   if (IsDetachedBuffer(this._view.buffer) === true);
+   ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
+  };
+  ReadableStreamBYOBRequest.prototype.respondWithNewView = function (view) {
+   if (IsReadableStreamBYOBRequest(this) === false) {
+    throw byobRequestBrandCheckException('respond');
+   }
+   if (this._associatedReadableByteStreamController === undefined) {
+    throw new TypeError('This BYOB request has been invalidated');
+   }
+   if (!ArrayBuffer.isView(view)) {
+    throw new TypeError('You can only respond with array buffer views');
+   }
+   if (IsDetachedBuffer(view.buffer) === true);
+   ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
+  };
+  return ReadableStreamBYOBRequest;
+ }();
+ var ReadableByteStreamController = function () {
+  function ReadableByteStreamController() {
+   throw new TypeError('ReadableByteStreamController constructor cannot be used directly');
+  }
+  Object.defineProperty(ReadableByteStreamController.prototype, "byobRequest", {
+   get: function () {
+    if (IsReadableByteStreamController(this) === false) {
+     throw byteStreamControllerBrandCheckException('byobRequest');
+    }
+    if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
+     var firstDescriptor = this._pendingPullIntos.peek();
+     var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
+     var byobRequest = Object.create(ReadableStreamBYOBRequest.prototype);
+     SetUpReadableStreamBYOBRequest(byobRequest, this, view);
+     this._byobRequest = byobRequest;
+    }
+    return this._byobRequest;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(ReadableByteStreamController.prototype, "desiredSize", {
+   get: function () {
+    if (IsReadableByteStreamController(this) === false) {
+     throw byteStreamControllerBrandCheckException('desiredSize');
+    }
+    return ReadableByteStreamControllerGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableByteStreamController.prototype.close = function () {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('close');
+   }
+   if (this._closeRequested === true) {
+    throw new TypeError('The stream has already been closed; do not close it again!');
+   }
+   var state = this._controlledReadableByteStream._state;
+   if (state !== 'readable') {
+    throw new TypeError("The stream (in " + state + " state) is not in the readable state and cannot be closed");
+   }
+   ReadableByteStreamControllerClose(this);
+  };
+  ReadableByteStreamController.prototype.enqueue = function (chunk) {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('enqueue');
+   }
+   if (this._closeRequested === true) {
+    throw new TypeError('stream is closed or draining');
+   }
+   var state = this._controlledReadableByteStream._state;
+   if (state !== 'readable') {
+    throw new TypeError("The stream (in " + state + " state) is not in the readable state and cannot be enqueued to");
+   }
+   if (!ArrayBuffer.isView(chunk)) {
+    throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
+   }
+   if (IsDetachedBuffer(chunk.buffer) === true);
+   ReadableByteStreamControllerEnqueue(this, chunk);
+  };
+  ReadableByteStreamController.prototype.error = function (e) {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('error');
+   }
+   ReadableByteStreamControllerError(this, e);
+  };
+  ReadableByteStreamController.prototype[CancelSteps] = function (reason) {
+   if (this._pendingPullIntos.length > 0) {
+    var firstDescriptor = this._pendingPullIntos.peek();
+    firstDescriptor.bytesFilled = 0;
+   }
+   ResetQueue(this);
+   var result = this._cancelAlgorithm(reason);
+   ReadableByteStreamControllerClearAlgorithms(this);
+   return result;
+  };
+  ReadableByteStreamController.prototype[PullSteps] = function () {
+   var stream = this._controlledReadableByteStream;
+   if (this._queueTotalSize > 0) {
+    var entry = this._queue.shift();
+    this._queueTotalSize -= entry.byteLength;
+    ReadableByteStreamControllerHandleQueueDrain(this);
+    var view = void 0;
+    try {
+     view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
+    } catch (viewE) {
+     return promiseRejectedWith(viewE);
+    }
+    return promiseResolvedWith(ReadableStreamCreateReadResult(view, false, stream._reader._forAuthorCode));
+   }
+   var autoAllocateChunkSize = this._autoAllocateChunkSize;
+   if (autoAllocateChunkSize !== undefined) {
+    var buffer = void 0;
+    try {
+     buffer = new ArrayBuffer(autoAllocateChunkSize);
+    } catch (bufferE) {
+     return promiseRejectedWith(bufferE);
+    }
+    var pullIntoDescriptor = {
+     buffer: buffer,
+     byteOffset: 0,
+     byteLength: autoAllocateChunkSize,
+     bytesFilled: 0,
+     elementSize: 1,
+     ctor: Uint8Array,
+     readerType: 'default'
+    };
+    this._pendingPullIntos.push(pullIntoDescriptor);
+   }
+   var promise = ReadableStreamAddReadRequest(stream);
+   ReadableByteStreamControllerCallPullIfNeeded(this);
+   return promise;
+  };
+  return ReadableByteStreamController;
+ }();
+ function IsReadableByteStreamController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableByteStream')) {
+   return false;
+  }
+  return true;
+ }
+ function IsReadableStreamBYOBRequest(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableByteStreamControllerCallPullIfNeeded(controller) {
+  var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
+  if (shouldPull === false) {
+   return;
+  }
+  if (controller._pulling === true) {
+   controller._pullAgain = true;
+   return;
+  }
+  controller._pulling = true;
+  var pullPromise = controller._pullAlgorithm();
+  uponPromise(pullPromise, function () {
+   controller._pulling = false;
+   if (controller._pullAgain === true) {
+    controller._pullAgain = false;
+    ReadableByteStreamControllerCallPullIfNeeded(controller);
+   }
+  }, function (e) {
+   ReadableByteStreamControllerError(controller, e);
+  });
+ }
+ function ReadableByteStreamControllerClearPendingPullIntos(controller) {
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  controller._pendingPullIntos = new SimpleQueue();
+ }
+ function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
+  var done = false;
+  if (stream._state === 'closed') {
+   done = true;
+  }
+  var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+  if (pullIntoDescriptor.readerType === 'default') {
+   ReadableStreamFulfillReadRequest(stream, filledView, done);
+  } else {
+   ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
+  }
+ }
+ function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
+  var bytesFilled = pullIntoDescriptor.bytesFilled;
+  var elementSize = pullIntoDescriptor.elementSize;
+  return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
+ }
+ function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
+  controller._queue.push({
+   buffer: buffer,
+   byteOffset: byteOffset,
+   byteLength: byteLength
+  });
+  controller._queueTotalSize += byteLength;
+ }
+ function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
+  var elementSize = pullIntoDescriptor.elementSize;
+  var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
+  var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
+  var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
+  var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
+  var totalBytesToCopyRemaining = maxBytesToCopy;
+  var ready = false;
+  if (maxAlignedBytes > currentAlignedBytes) {
+   totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
+   ready = true;
+  }
+  var queue = controller._queue;
+  while (totalBytesToCopyRemaining > 0) {
+   var headOfQueue = queue.peek();
+   var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
+   var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+   ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
+   if (headOfQueue.byteLength === bytesToCopy) {
+    queue.shift();
+   } else {
+    headOfQueue.byteOffset += bytesToCopy;
+    headOfQueue.byteLength -= bytesToCopy;
+   }
+   controller._queueTotalSize -= bytesToCopy;
+   ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
+   totalBytesToCopyRemaining -= bytesToCopy;
+  }
+  return ready;
+ }
+ function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  pullIntoDescriptor.bytesFilled += size;
+ }
+ function ReadableByteStreamControllerHandleQueueDrain(controller) {
+  if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
+   ReadableByteStreamControllerClearAlgorithms(controller);
+   ReadableStreamClose(controller._controlledReadableByteStream);
+  } else {
+   ReadableByteStreamControllerCallPullIfNeeded(controller);
+  }
+ }
+ function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
+  if (controller._byobRequest === undefined) {
+   return;
+  }
+  controller._byobRequest._associatedReadableByteStreamController = undefined;
+  controller._byobRequest._view = undefined;
+  controller._byobRequest = undefined;
+ }
+ function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
+  while (controller._pendingPullIntos.length > 0) {
+   if (controller._queueTotalSize === 0) {
+    return;
+   }
+   var pullIntoDescriptor = controller._pendingPullIntos.peek();
+   if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+    ReadableByteStreamControllerShiftPendingPullInto(controller);
+    ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);
+   }
+  }
+ }
+ function ReadableByteStreamControllerPullInto(controller, view) {
+  var stream = controller._controlledReadableByteStream;
+  var elementSize = 1;
+  if (view.constructor !== DataView) {
+   elementSize = view.constructor.BYTES_PER_ELEMENT;
+  }
+  var ctor = view.constructor;
+  var buffer = TransferArrayBuffer(view.buffer);
+  var pullIntoDescriptor = {
+   buffer: buffer,
+   byteOffset: view.byteOffset,
+   byteLength: view.byteLength,
+   bytesFilled: 0,
+   elementSize: elementSize,
+   ctor: ctor,
+   readerType: 'byob'
+  };
+  if (controller._pendingPullIntos.length > 0) {
+   controller._pendingPullIntos.push(pullIntoDescriptor);
+   return ReadableStreamAddReadIntoRequest(stream);
+  }
+  if (stream._state === 'closed') {
+   var emptyView = new ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
+   return promiseResolvedWith(ReadableStreamCreateReadResult(emptyView, true, stream._reader._forAuthorCode));
+  }
+  if (controller._queueTotalSize > 0) {
+   if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+    var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+    ReadableByteStreamControllerHandleQueueDrain(controller);
+    return promiseResolvedWith(ReadableStreamCreateReadResult(filledView, false, stream._reader._forAuthorCode));
+   }
+   if (controller._closeRequested === true) {
+    var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+    ReadableByteStreamControllerError(controller, e);
+    return promiseRejectedWith(e);
+   }
+  }
+  controller._pendingPullIntos.push(pullIntoDescriptor);
+  var promise = ReadableStreamAddReadIntoRequest(stream);
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+  return promise;
+ }
+ function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
+  firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
+  var stream = controller._controlledReadableByteStream;
+  if (ReadableStreamHasBYOBReader(stream) === true) {
+   while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+    var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
+    ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
+   }
+  }
+ }
+ function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
+  if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
+   throw new RangeError('bytesWritten out of range');
+  }
+  ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
+  if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
+   return;
+  }
+  ReadableByteStreamControllerShiftPendingPullInto(controller);
+  var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
+  if (remainderSize > 0) {
+   var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+   var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
+  }
+  pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
+  pullIntoDescriptor.bytesFilled -= remainderSize;
+  ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);
+  ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+ }
+ function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
+  var firstDescriptor = controller._pendingPullIntos.peek();
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state === 'closed') {
+   if (bytesWritten !== 0) {
+    throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
+   }
+   ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
+  } else {
+   ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
+  }
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+ }
+ function ReadableByteStreamControllerShiftPendingPullInto(controller) {
+  var descriptor = controller._pendingPullIntos.shift();
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  return descriptor;
+ }
+ function ReadableByteStreamControllerShouldCallPull(controller) {
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state !== 'readable') {
+   return false;
+  }
+  if (controller._closeRequested === true) {
+   return false;
+  }
+  if (controller._started === false) {
+   return false;
+  }
+  if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   return true;
+  }
+  if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+   return true;
+  }
+  var desiredSize = ReadableByteStreamControllerGetDesiredSize(controller);
+  if (desiredSize > 0) {
+   return true;
+  }
+  return false;
+ }
+ function ReadableByteStreamControllerClearAlgorithms(controller) {
+  controller._pullAlgorithm = undefined;
+  controller._cancelAlgorithm = undefined;
+ }
+ function ReadableByteStreamControllerClose(controller) {
+  var stream = controller._controlledReadableByteStream;
+  if (controller._queueTotalSize > 0) {
+   controller._closeRequested = true;
+   return;
+  }
+  if (controller._pendingPullIntos.length > 0) {
+   var firstPendingPullInto = controller._pendingPullIntos.peek();
+   if (firstPendingPullInto.bytesFilled > 0) {
+    var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+    ReadableByteStreamControllerError(controller, e);
+    throw e;
+   }
+  }
+  ReadableByteStreamControllerClearAlgorithms(controller);
+  ReadableStreamClose(stream);
+ }
+ function ReadableByteStreamControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledReadableByteStream;
+  var buffer = chunk.buffer;
+  var byteOffset = chunk.byteOffset;
+  var byteLength = chunk.byteLength;
+  var transferredBuffer = TransferArrayBuffer(buffer);
+  if (ReadableStreamHasDefaultReader(stream) === true) {
+   if (ReadableStreamGetNumReadRequests(stream) === 0) {
+    ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+   } else {
+    var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
+    ReadableStreamFulfillReadRequest(stream, transferredView, false);
+   }
+  } else if (ReadableStreamHasBYOBReader(stream) === true) {
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+   ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+  } else {
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+  }
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+ }
+ function ReadableByteStreamControllerError(controller, e) {
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state !== 'readable') {
+   return;
+  }
+  ReadableByteStreamControllerClearPendingPullIntos(controller);
+  ResetQueue(controller);
+  ReadableByteStreamControllerClearAlgorithms(controller);
+  ReadableStreamError(stream, e);
+ }
+ function ReadableByteStreamControllerGetDesiredSize(controller) {
+  var stream = controller._controlledReadableByteStream;
+  var state = stream._state;
+  if (state === 'errored') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function ReadableByteStreamControllerRespond(controller, bytesWritten) {
+  bytesWritten = Number(bytesWritten);
+  if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
+   throw new RangeError('bytesWritten must be a finite');
+  }
+  ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
+ }
+ function ReadableByteStreamControllerRespondWithNewView(controller, view) {
+  var firstDescriptor = controller._pendingPullIntos.peek();
+  if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
+   throw new RangeError('The region specified by view does not match byobRequest');
+  }
+  if (firstDescriptor.byteLength !== view.byteLength) {
+   throw new RangeError('The buffer of view has different capacity than byobRequest');
+  }
+  firstDescriptor.buffer = view.buffer;
+  ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
+ }
+ function SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize) {
+  controller._controlledReadableByteStream = stream;
+  controller._pullAgain = false;
+  controller._pulling = false;
+  controller._byobRequest = undefined;
+  controller._queue = controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._closeRequested = false;
+  controller._started = false;
+  controller._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
+  controller._pullAlgorithm = pullAlgorithm;
+  controller._cancelAlgorithm = cancelAlgorithm;
+  controller._autoAllocateChunkSize = autoAllocateChunkSize;
+  controller._pendingPullIntos = new SimpleQueue();
+  stream._readableStreamController = controller;
+  var startResult = startAlgorithm();
+  uponPromise(promiseResolvedWith(startResult), function () {
+   controller._started = true;
+   ReadableByteStreamControllerCallPullIfNeeded(controller);
+  }, function (r) {
+   ReadableByteStreamControllerError(controller, r);
+  });
+ }
+ function SetUpReadableByteStreamControllerFromUnderlyingSource(stream, underlyingByteSource, highWaterMark) {
+  var controller = Object.create(ReadableByteStreamController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingByteSource, 'start', [controller]);
+  }
+  var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'pull', 0, [controller]);
+  var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'cancel', 1, []);
+  var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
+  if (autoAllocateChunkSize !== undefined) {
+   autoAllocateChunkSize = Number(autoAllocateChunkSize);
+   if (NumberIsInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
+    throw new RangeError('autoAllocateChunkSize must be a positive integer');
+   }
+  }
+  SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize);
+ }
+ function SetUpReadableStreamBYOBRequest(request, controller, view) {
+  request._associatedReadableByteStreamController = controller;
+  request._view = view;
+ }
+ function byobRequestBrandCheckException(name) {
+  return new TypeError("ReadableStreamBYOBRequest.prototype." + name + " can only be used on a ReadableStreamBYOBRequest");
+ }
+ function byteStreamControllerBrandCheckException(name) {
+  return new TypeError("ReadableByteStreamController.prototype." + name + " can only be used on a ReadableByteStreamController");
+ }
+ function AcquireReadableStreamBYOBReader(stream, forAuthorCode) {
+  if (forAuthorCode === void 0) {
+   forAuthorCode = false;
+  }
+  var reader = new ReadableStreamBYOBReader(stream);
+  reader._forAuthorCode = forAuthorCode;
+  return reader;
+ }
+ function ReadableStreamAddReadIntoRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var readIntoRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._reader._readIntoRequests.push(readIntoRequest);
+  });
+  return promise;
+ }
+ function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
+  var reader = stream._reader;
+  var readIntoRequest = reader._readIntoRequests.shift();
+  readIntoRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));
+ }
+ function ReadableStreamGetNumReadIntoRequests(stream) {
+  return stream._reader._readIntoRequests.length;
+ }
+ function ReadableStreamHasBYOBReader(stream) {
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return false;
+  }
+  if (!IsReadableStreamBYOBReader(reader)) {
+   return false;
+  }
+  return true;
+ }
+ var ReadableStreamBYOBReader = function () {
+  function ReadableStreamBYOBReader(stream) {
+   if (!IsReadableStream(stream)) {
+    throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
+   }
+   if (IsReadableByteStreamController(stream._readableStreamController) === false) {
+    throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
+   }
+   if (IsReadableStreamLocked(stream)) {
+    throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+   }
+   ReadableStreamReaderGenericInitialize(this, stream);
+   this._readIntoRequests = new SimpleQueue();
+  }
+  Object.defineProperty(ReadableStreamBYOBReader.prototype, "closed", {
+   get: function () {
+    if (!IsReadableStreamBYOBReader(this)) {
+     return promiseRejectedWith(byobReaderBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamBYOBReader.prototype.cancel = function (reason) {
+   if (!IsReadableStreamBYOBReader(this)) {
+    return promiseRejectedWith(byobReaderBrandCheckException('cancel'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('cancel'));
+   }
+   return ReadableStreamReaderGenericCancel(this, reason);
+  };
+  ReadableStreamBYOBReader.prototype.read = function (view) {
+   if (!IsReadableStreamBYOBReader(this)) {
+    return promiseRejectedWith(byobReaderBrandCheckException('read'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('read from'));
+   }
+   if (!ArrayBuffer.isView(view)) {
+    return promiseRejectedWith(new TypeError('view must be an array buffer view'));
+   }
+   if (IsDetachedBuffer(view.buffer) === true);
+   if (view.byteLength === 0) {
+    return promiseRejectedWith(new TypeError('view must have non-zero byteLength'));
+   }
+   return ReadableStreamBYOBReaderRead(this, view);
+  };
+  ReadableStreamBYOBReader.prototype.releaseLock = function () {
+   if (!IsReadableStreamBYOBReader(this)) {
+    throw byobReaderBrandCheckException('releaseLock');
+   }
+   if (this._ownerReadableStream === undefined) {
+    return;
+   }
+   if (this._readIntoRequests.length > 0) {
+    throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+   }
+   ReadableStreamReaderGenericRelease(this);
+  };
+  return ReadableStreamBYOBReader;
+ }();
+ function IsReadableStreamBYOBReader(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamBYOBReaderRead(reader, view) {
+  var stream = reader._ownerReadableStream;
+  stream._disturbed = true;
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
+ }
+ function byobReaderBrandCheckException(name) {
+  return new TypeError("ReadableStreamBYOBReader.prototype." + name + " can only be used on a ReadableStreamBYOBReader");
+ }
+ var ReadableStream = function () {
+  function ReadableStream(underlyingSource, strategy) {
+   if (underlyingSource === void 0) {
+    underlyingSource = {};
+   }
+   if (strategy === void 0) {
+    strategy = {};
+   }
+   InitializeReadableStream(this);
+   var size = strategy.size;
+   var highWaterMark = strategy.highWaterMark;
+   var type = underlyingSource.type;
+   var typeString = String(type);
+   if (typeString === 'bytes') {
+    if (size !== undefined) {
+     throw new RangeError('The strategy for a byte stream cannot have a size function');
+    }
+    if (highWaterMark === undefined) {
+     highWaterMark = 0;
+    }
+    highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+    SetUpReadableByteStreamControllerFromUnderlyingSource(this, underlyingSource, highWaterMark);
+   } else if (type === undefined) {
+    var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);
+    if (highWaterMark === undefined) {
+     highWaterMark = 1;
+    }
+    highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+    SetUpReadableStreamDefaultControllerFromUnderlyingSource(this, underlyingSource, highWaterMark, sizeAlgorithm);
+   } else {
+    throw new RangeError('Invalid type is specified');
+   }
+  }
+  Object.defineProperty(ReadableStream.prototype, "locked", {
+   get: function () {
+    if (IsReadableStream(this) === false) {
+     throw streamBrandCheckException$1('locked');
+    }
+    return IsReadableStreamLocked(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStream.prototype.cancel = function (reason) {
+   if (IsReadableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException$1('cancel'));
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot cancel a stream that already has a reader'));
+   }
+   return ReadableStreamCancel(this, reason);
+  };
+  ReadableStream.prototype.getReader = function (_a) {
+   var mode = (_a === void 0 ? {} : _a).mode;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('getReader');
+   }
+   if (mode === undefined) {
+    return AcquireReadableStreamDefaultReader(this, true);
+   }
+   mode = String(mode);
+   if (mode === 'byob') {
+    return AcquireReadableStreamBYOBReader(this, true);
+   }
+   throw new RangeError('Invalid mode is specified');
+  };
+  ReadableStream.prototype.pipeThrough = function (_a, _b) {
+   var writable = _a.writable, readable = _a.readable;
+   var _c = _b === void 0 ? {} : _b, preventClose = _c.preventClose, preventAbort = _c.preventAbort, preventCancel = _c.preventCancel, signal = _c.signal;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('pipeThrough');
+   }
+   if (IsWritableStream(writable) === false) {
+    throw new TypeError('writable argument to pipeThrough must be a WritableStream');
+   }
+   if (IsReadableStream(readable) === false) {
+    throw new TypeError('readable argument to pipeThrough must be a ReadableStream');
+   }
+   preventClose = Boolean(preventClose);
+   preventAbort = Boolean(preventAbort);
+   preventCancel = Boolean(preventCancel);
+   if (signal !== undefined && !isAbortSignal(signal)) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough\'s signal option must be an AbortSignal');
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream');
+   }
+   if (IsWritableStreamLocked(writable) === true) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream');
+   }
+   var promise = ReadableStreamPipeTo(this, writable, preventClose, preventAbort, preventCancel, signal);
+   setPromiseIsHandledToTrue(promise);
+   return readable;
+  };
+  ReadableStream.prototype.pipeTo = function (dest, _a) {
+   var _b = _a === void 0 ? {} : _a, preventClose = _b.preventClose, preventAbort = _b.preventAbort, preventCancel = _b.preventCancel, signal = _b.signal;
+   if (IsReadableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException$1('pipeTo'));
+   }
+   if (IsWritableStream(dest) === false) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
+   }
+   preventClose = Boolean(preventClose);
+   preventAbort = Boolean(preventAbort);
+   preventCancel = Boolean(preventCancel);
+   if (signal !== undefined && !isAbortSignal(signal)) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\'s signal option must be an AbortSignal'));
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
+   }
+   if (IsWritableStreamLocked(dest) === true) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
+   }
+   return ReadableStreamPipeTo(this, dest, preventClose, preventAbort, preventCancel, signal);
+  };
+  ReadableStream.prototype.tee = function () {
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('tee');
+   }
+   var branches = ReadableStreamTee(this);
+   return createArrayFromList(branches);
+  };
+  ReadableStream.prototype.getIterator = function (_a) {
+   var _b = (_a === void 0 ? {} : _a).preventCancel, preventCancel = _b === void 0 ? false : _b;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('getIterator');
+   }
+   return AcquireReadableStreamAsyncIterator(this, preventCancel);
+  };
+  return ReadableStream;
+ }();
+ if (typeof SymbolPolyfill.asyncIterator === 'symbol') {
+  Object.defineProperty(ReadableStream.prototype, SymbolPolyfill.asyncIterator, {
+   value: ReadableStream.prototype.getIterator,
+   enumerable: false,
+   writable: true,
+   configurable: true
+  });
+ }
+ function CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {
+  if (highWaterMark === void 0) {
+   highWaterMark = 1;
+  }
+  if (sizeAlgorithm === void 0) {
+   sizeAlgorithm = function () {
+    return 1;
+   };
+  }
+  var stream = Object.create(ReadableStream.prototype);
+  InitializeReadableStream(stream);
+  var controller = Object.create(ReadableStreamDefaultController.prototype);
+  SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);
+  return stream;
+ }
+ function InitializeReadableStream(stream) {
+  stream._state = 'readable';
+  stream._reader = undefined;
+  stream._storedError = undefined;
+  stream._disturbed = false;
+ }
+ function IsReadableStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function IsReadableStreamLocked(stream) {
+  if (stream._reader === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamCancel(stream, reason) {
+  stream._disturbed = true;
+  if (stream._state === 'closed') {
+   return promiseResolvedWith(undefined);
+  }
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  ReadableStreamClose(stream);
+  var sourceCancelPromise = stream._readableStreamController[CancelSteps](reason);
+  return transformPromiseWith(sourceCancelPromise, noop);
+ }
+ function ReadableStreamClose(stream) {
+  stream._state = 'closed';
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return;
+  }
+  if (IsReadableStreamDefaultReader(reader)) {
+   reader._readRequests.forEach(function (readRequest) {
+    readRequest._resolve(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));
+   });
+   reader._readRequests = new SimpleQueue();
+  }
+  defaultReaderClosedPromiseResolve(reader);
+ }
+ function ReadableStreamError(stream, e) {
+  stream._state = 'errored';
+  stream._storedError = e;
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return;
+  }
+  if (IsReadableStreamDefaultReader(reader)) {
+   reader._readRequests.forEach(function (readRequest) {
+    readRequest._reject(e);
+   });
+   reader._readRequests = new SimpleQueue();
+  } else {
+   reader._readIntoRequests.forEach(function (readIntoRequest) {
+    readIntoRequest._reject(e);
+   });
+   reader._readIntoRequests = new SimpleQueue();
+  }
+  defaultReaderClosedPromiseReject(reader, e);
+ }
+ function streamBrandCheckException$1(name) {
+  return new TypeError("ReadableStream.prototype." + name + " can only be used on a ReadableStream");
+ }
+ var ByteLengthQueuingStrategy = function () {
+  function ByteLengthQueuingStrategy(_a) {
+   var highWaterMark = _a.highWaterMark;
+   this.highWaterMark = highWaterMark;
+  }
+  ByteLengthQueuingStrategy.prototype.size = function (chunk) {
+   return chunk.byteLength;
+  };
+  return ByteLengthQueuingStrategy;
+ }();
+ var CountQueuingStrategy = function () {
+  function CountQueuingStrategy(_a) {
+   var highWaterMark = _a.highWaterMark;
+   this.highWaterMark = highWaterMark;
+  }
+  CountQueuingStrategy.prototype.size = function () {
+   return 1;
+  };
+  return CountQueuingStrategy;
+ }();
+ var TransformStream = function () {
+  function TransformStream(transformer, writableStrategy, readableStrategy) {
+   if (transformer === void 0) {
+    transformer = {};
+   }
+   if (writableStrategy === void 0) {
+    writableStrategy = {};
+   }
+   if (readableStrategy === void 0) {
+    readableStrategy = {};
+   }
+   var writableSizeFunction = writableStrategy.size;
+   var writableHighWaterMark = writableStrategy.highWaterMark;
+   var readableSizeFunction = readableStrategy.size;
+   var readableHighWaterMark = readableStrategy.highWaterMark;
+   var writableType = transformer.writableType;
+   if (writableType !== undefined) {
+    throw new RangeError('Invalid writable type specified');
+   }
+   var writableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(writableSizeFunction);
+   if (writableHighWaterMark === undefined) {
+    writableHighWaterMark = 1;
+   }
+   writableHighWaterMark = ValidateAndNormalizeHighWaterMark(writableHighWaterMark);
+   var readableType = transformer.readableType;
+   if (readableType !== undefined) {
+    throw new RangeError('Invalid readable type specified');
+   }
+   var readableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(readableSizeFunction);
+   if (readableHighWaterMark === undefined) {
+    readableHighWaterMark = 0;
+   }
+   readableHighWaterMark = ValidateAndNormalizeHighWaterMark(readableHighWaterMark);
+   var startPromise_resolve;
+   var startPromise = newPromise(function (resolve) {
+    startPromise_resolve = resolve;
+   });
+   InitializeTransformStream(this, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm);
+   SetUpTransformStreamDefaultControllerFromTransformer(this, transformer);
+   var startResult = InvokeOrNoop(transformer, 'start', [this._transformStreamController]);
+   startPromise_resolve(startResult);
+  }
+  Object.defineProperty(TransformStream.prototype, "readable", {
+   get: function () {
+    if (IsTransformStream(this) === false) {
+     throw streamBrandCheckException$2('readable');
+    }
+    return this._readable;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(TransformStream.prototype, "writable", {
+   get: function () {
+    if (IsTransformStream(this) === false) {
+     throw streamBrandCheckException$2('writable');
+    }
+    return this._writable;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  return TransformStream;
+ }();
+ function InitializeTransformStream(stream, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm) {
+  function startAlgorithm() {
+   return startPromise;
+  }
+  function writeAlgorithm(chunk) {
+   return TransformStreamDefaultSinkWriteAlgorithm(stream, chunk);
+  }
+  function abortAlgorithm(reason) {
+   return TransformStreamDefaultSinkAbortAlgorithm(stream, reason);
+  }
+  function closeAlgorithm() {
+   return TransformStreamDefaultSinkCloseAlgorithm(stream);
+  }
+  stream._writable = CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, writableHighWaterMark, writableSizeAlgorithm);
+  function pullAlgorithm() {
+   return TransformStreamDefaultSourcePullAlgorithm(stream);
+  }
+  function cancelAlgorithm(reason) {
+   TransformStreamErrorWritableAndUnblockWrite(stream, reason);
+   return promiseResolvedWith(undefined);
+  }
+  stream._readable = CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, readableHighWaterMark, readableSizeAlgorithm);
+  stream._backpressure = undefined;
+  stream._backpressureChangePromise = undefined;
+  stream._backpressureChangePromise_resolve = undefined;
+  TransformStreamSetBackpressure(stream, true);
+  stream._transformStreamController = undefined;
+ }
+ function IsTransformStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function TransformStreamError(stream, e) {
+  ReadableStreamDefaultControllerError(stream._readable._readableStreamController, e);
+  TransformStreamErrorWritableAndUnblockWrite(stream, e);
+ }
+ function TransformStreamErrorWritableAndUnblockWrite(stream, e) {
+  TransformStreamDefaultControllerClearAlgorithms(stream._transformStreamController);
+  WritableStreamDefaultControllerErrorIfNeeded(stream._writable._writableStreamController, e);
+  if (stream._backpressure === true) {
+   TransformStreamSetBackpressure(stream, false);
+  }
+ }
+ function TransformStreamSetBackpressure(stream, backpressure) {
+  if (stream._backpressureChangePromise !== undefined) {
+   stream._backpressureChangePromise_resolve();
+  }
+  stream._backpressureChangePromise = newPromise(function (resolve) {
+   stream._backpressureChangePromise_resolve = resolve;
+  });
+  stream._backpressure = backpressure;
+ }
+ var TransformStreamDefaultController = function () {
+  function TransformStreamDefaultController() {
+   throw new TypeError('TransformStreamDefaultController instances cannot be created directly');
+  }
+  Object.defineProperty(TransformStreamDefaultController.prototype, "desiredSize", {
+   get: function () {
+    if (IsTransformStreamDefaultController(this) === false) {
+     throw defaultControllerBrandCheckException$1('desiredSize');
+    }
+    var readableController = this._controlledTransformStream._readable._readableStreamController;
+    return ReadableStreamDefaultControllerGetDesiredSize(readableController);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  TransformStreamDefaultController.prototype.enqueue = function (chunk) {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('enqueue');
+   }
+   TransformStreamDefaultControllerEnqueue(this, chunk);
+  };
+  TransformStreamDefaultController.prototype.error = function (reason) {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('error');
+   }
+   TransformStreamDefaultControllerError(this, reason);
+  };
+  TransformStreamDefaultController.prototype.terminate = function () {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('terminate');
+   }
+   TransformStreamDefaultControllerTerminate(this);
+  };
+  return TransformStreamDefaultController;
+ }();
+ function IsTransformStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
+   return false;
+  }
+  return true;
+ }
+ function SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm) {
+  controller._controlledTransformStream = stream;
+  stream._transformStreamController = controller;
+  controller._transformAlgorithm = transformAlgorithm;
+  controller._flushAlgorithm = flushAlgorithm;
+ }
+ function SetUpTransformStreamDefaultControllerFromTransformer(stream, transformer) {
+  var controller = Object.create(TransformStreamDefaultController.prototype);
+  var transformAlgorithm = function (chunk) {
+   try {
+    TransformStreamDefaultControllerEnqueue(controller, chunk);
+    return promiseResolvedWith(undefined);
+   } catch (transformResultE) {
+    return promiseRejectedWith(transformResultE);
+   }
+  };
+  var transformMethod = transformer.transform;
+  if (transformMethod !== undefined) {
+   if (typeof transformMethod !== 'function') {
+    throw new TypeError('transform is not a method');
+   }
+   transformAlgorithm = function (chunk) {
+    return PromiseCall(transformMethod, transformer, [
+     chunk,
+     controller
+    ]);
+   };
+  }
+  var flushAlgorithm = CreateAlgorithmFromUnderlyingMethod(transformer, 'flush', 0, [controller]);
+  SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm);
+ }
+ function TransformStreamDefaultControllerClearAlgorithms(controller) {
+  controller._transformAlgorithm = undefined;
+  controller._flushAlgorithm = undefined;
+ }
+ function TransformStreamDefaultControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledTransformStream;
+  var readableController = stream._readable._readableStreamController;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === false) {
+   throw new TypeError('Readable side is not in a state that permits enqueue');
+  }
+  try {
+   ReadableStreamDefaultControllerEnqueue(readableController, chunk);
+  } catch (e) {
+   TransformStreamErrorWritableAndUnblockWrite(stream, e);
+   throw stream._readable._storedError;
+  }
+  var backpressure = ReadableStreamDefaultControllerHasBackpressure(readableController);
+  if (backpressure !== stream._backpressure) {
+   TransformStreamSetBackpressure(stream, true);
+  }
+ }
+ function TransformStreamDefaultControllerError(controller, e) {
+  TransformStreamError(controller._controlledTransformStream, e);
+ }
+ function TransformStreamDefaultControllerPerformTransform(controller, chunk) {
+  var transformPromise = controller._transformAlgorithm(chunk);
+  return transformPromiseWith(transformPromise, undefined, function (r) {
+   TransformStreamError(controller._controlledTransformStream, r);
+   throw r;
+  });
+ }
+ function TransformStreamDefaultControllerTerminate(controller) {
+  var stream = controller._controlledTransformStream;
+  var readableController = stream._readable._readableStreamController;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {
+   ReadableStreamDefaultControllerClose(readableController);
+  }
+  var error = new TypeError('TransformStream terminated');
+  TransformStreamErrorWritableAndUnblockWrite(stream, error);
+ }
+ function TransformStreamDefaultSinkWriteAlgorithm(stream, chunk) {
+  var controller = stream._transformStreamController;
+  if (stream._backpressure === true) {
+   var backpressureChangePromise = stream._backpressureChangePromise;
+   return transformPromiseWith(backpressureChangePromise, function () {
+    var writable = stream._writable;
+    var state = writable._state;
+    if (state === 'erroring') {
+     throw writable._storedError;
+    }
+    return TransformStreamDefaultControllerPerformTransform(controller, chunk);
+   });
+  }
+  return TransformStreamDefaultControllerPerformTransform(controller, chunk);
+ }
+ function TransformStreamDefaultSinkAbortAlgorithm(stream, reason) {
+  TransformStreamError(stream, reason);
+  return promiseResolvedWith(undefined);
+ }
+ function TransformStreamDefaultSinkCloseAlgorithm(stream) {
+  var readable = stream._readable;
+  var controller = stream._transformStreamController;
+  var flushPromise = controller._flushAlgorithm();
+  TransformStreamDefaultControllerClearAlgorithms(controller);
+  return transformPromiseWith(flushPromise, function () {
+   if (readable._state === 'errored') {
+    throw readable._storedError;
+   }
+   var readableController = readable._readableStreamController;
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {
+    ReadableStreamDefaultControllerClose(readableController);
+   }
+  }, function (r) {
+   TransformStreamError(stream, r);
+   throw readable._storedError;
+  });
+ }
+ function TransformStreamDefaultSourcePullAlgorithm(stream) {
+  TransformStreamSetBackpressure(stream, false);
+  return stream._backpressureChangePromise;
+ }
+ function defaultControllerBrandCheckException$1(name) {
+  return new TypeError("TransformStreamDefaultController.prototype." + name + " can only be used on a TransformStreamDefaultController");
+ }
+ function streamBrandCheckException$2(name) {
+  return new TypeError("TransformStream.prototype." + name + " can only be used on a TransformStream");
+ }
+ exports.ByteLengthQueuingStrategy = ByteLengthQueuingStrategy;
+ exports.CountQueuingStrategy = CountQueuingStrategy;
+ exports.ReadableStream = ReadableStream;
+ exports.TransformStream = TransformStream;
+ exports.WritableStream = WritableStream;
+ Object.defineProperty(exports, '__esModule', { value: true });
+}));
+
+/***/ }),
+/* 146 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(147);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Map;
+
+/***/ }),
+/* 147 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionStrong = __w_pdfjs_require__(152);
+module.exports = collection('Map', function (init) {
+ return function Map() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 148 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+var isForced = __w_pdfjs_require__(52);
+var redefine = __w_pdfjs_require__(29);
+var InternalMetadataModule = __w_pdfjs_require__(149);
+var iterate = __w_pdfjs_require__(104);
+var anInstance = __w_pdfjs_require__(126);
+var isObject = __w_pdfjs_require__(22);
+var fails = __w_pdfjs_require__(14);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var setToStringTag = __w_pdfjs_require__(85);
+var inheritIfRequired = __w_pdfjs_require__(151);
+module.exports = function (CONSTRUCTOR_NAME, wrapper, common) {
+ var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
+ var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
+ var ADDER = IS_MAP ? 'set' : 'add';
+ var NativeConstructor = global[CONSTRUCTOR_NAME];
+ var NativePrototype = NativeConstructor && NativeConstructor.prototype;
+ var Constructor = NativeConstructor;
+ var exported = {};
+ var fixMethod = function (KEY) {
+  var nativeMethod = NativePrototype[KEY];
+  redefine(NativePrototype, KEY, KEY == 'add' ? function add(value) {
+   nativeMethod.call(this, value === 0 ? 0 : value);
+   return this;
+  } : KEY == 'delete' ? function (key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'get' ? function get(key) {
+   return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'has' ? function has(key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : function set(key, value) {
+   nativeMethod.call(this, key === 0 ? 0 : key, value);
+   return this;
+  });
+ };
+ if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
+   new NativeConstructor().entries().next();
+  })))) {
+  Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
+  InternalMetadataModule.REQUIRED = true;
+ } else if (isForced(CONSTRUCTOR_NAME, true)) {
+  var instance = new Constructor();
+  var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
+  var THROWS_ON_PRIMITIVES = fails(function () {
+   instance.has(1);
+  });
+  var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) {
+   new NativeConstructor(iterable);
+  });
+  var BUGGY_ZERO = !IS_WEAK && fails(function () {
+   var $instance = new NativeConstructor();
+   var index = 5;
+   while (index--)
+    $instance[ADDER](index, index);
+   return !$instance.has(-0);
+  });
+  if (!ACCEPT_ITERABLES) {
+   Constructor = wrapper(function (dummy, iterable) {
+    anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
+    var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
+    if (iterable != undefined)
+     iterate(iterable, that[ADDER], that, IS_MAP);
+    return that;
+   });
+   Constructor.prototype = NativePrototype;
+   NativePrototype.constructor = Constructor;
+  }
+  if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+   fixMethod('delete');
+   fixMethod('has');
+   IS_MAP && fixMethod('get');
+  }
+  if (BUGGY_ZERO || HASNT_CHAINING)
+   fixMethod(ADDER);
+  if (IS_WEAK && NativePrototype.clear)
+   delete NativePrototype.clear;
+ }
+ exported[CONSTRUCTOR_NAME] = Constructor;
+ $({
+  global: true,
+  forced: Constructor != NativeConstructor
+ }, exported);
+ setToStringTag(Constructor, CONSTRUCTOR_NAME);
+ if (!IS_WEAK)
+  common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
+ return Constructor;
+};
+
+/***/ }),
+/* 149 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var hiddenKeys = __w_pdfjs_require__(39);
+var isObject = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(23);
+var defineProperty = __w_pdfjs_require__(27).f;
+var uid = __w_pdfjs_require__(38);
+var FREEZING = __w_pdfjs_require__(150);
+var METADATA = uid('meta');
+var id = 0;
+var isExtensible = Object.isExtensible || function () {
+ return true;
+};
+var setMetadata = function (it) {
+ defineProperty(it, METADATA, {
+  value: {
+   objectID: 'O' + ++id,
+   weakData: {}
+  }
+ });
+};
+var fastKey = function (it, create) {
+ if (!isObject(it))
+  return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return 'F';
+  if (!create)
+   return 'E';
+  setMetadata(it);
+ }
+ return it[METADATA].objectID;
+};
+var getWeakData = function (it, create) {
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return true;
+  if (!create)
+   return false;
+  setMetadata(it);
+ }
+ return it[METADATA].weakData;
+};
+var onFreeze = function (it) {
+ if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA))
+  setMetadata(it);
+ return it;
+};
+var meta = module.exports = {
+ REQUIRED: false,
+ fastKey: fastKey,
+ getWeakData: getWeakData,
+ onFreeze: onFreeze
+};
+hiddenKeys[METADATA] = true;
+
+/***/ }),
+/* 150 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ return Object.isExtensible(Object.preventExtensions({}));
+});
+
+/***/ }),
+/* 151 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var setPrototypeOf = __w_pdfjs_require__(87);
+module.exports = function ($this, dummy, Wrapper) {
+ var NewTarget, NewTargetPrototype;
+ if (setPrototypeOf && typeof (NewTarget = dummy.constructor) == 'function' && NewTarget !== Wrapper && isObject(NewTargetPrototype = NewTarget.prototype) && NewTargetPrototype !== Wrapper.prototype)
+  setPrototypeOf($this, NewTargetPrototype);
+ return $this;
+};
+
+/***/ }),
+/* 152 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var defineProperty = __w_pdfjs_require__(27).f;
+var create = __w_pdfjs_require__(71);
+var redefineAll = __w_pdfjs_require__(124);
+var bind = __w_pdfjs_require__(62);
+var anInstance = __w_pdfjs_require__(126);
+var iterate = __w_pdfjs_require__(104);
+var defineIterator = __w_pdfjs_require__(79);
+var setSpecies = __w_pdfjs_require__(125);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fastKey = __w_pdfjs_require__(149).fastKey;
+var InternalStateModule = __w_pdfjs_require__(33);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    index: create(null),
+    first: undefined,
+    last: undefined,
+    size: 0
+   });
+   if (!DESCRIPTORS)
+    that.size = 0;
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var entry = getEntry(that, key);
+   var previous, index;
+   if (entry) {
+    entry.value = value;
+   } else {
+    state.last = entry = {
+     index: index = fastKey(key, true),
+     key: key,
+     value: value,
+     previous: previous = state.last,
+     next: undefined,
+     removed: false
+    };
+    if (!state.first)
+     state.first = entry;
+    if (previous)
+     previous.next = entry;
+    if (DESCRIPTORS)
+     state.size++;
+    else
+     that.size++;
+    if (index !== 'F')
+     state.index[index] = entry;
+   }
+   return that;
+  };
+  var getEntry = function (that, key) {
+   var state = getInternalState(that);
+   var index = fastKey(key);
+   var entry;
+   if (index !== 'F')
+    return state.index[index];
+   for (entry = state.first; entry; entry = entry.next) {
+    if (entry.key == key)
+     return entry;
+   }
+  };
+  redefineAll(C.prototype, {
+   clear: function clear() {
+    var that = this;
+    var state = getInternalState(that);
+    var data = state.index;
+    var entry = state.first;
+    while (entry) {
+     entry.removed = true;
+     if (entry.previous)
+      entry.previous = entry.previous.next = undefined;
+     delete data[entry.index];
+     entry = entry.next;
+    }
+    state.first = state.last = undefined;
+    if (DESCRIPTORS)
+     state.size = 0;
+    else
+     that.size = 0;
+   },
+   'delete': function (key) {
+    var that = this;
+    var state = getInternalState(that);
+    var entry = getEntry(that, key);
+    if (entry) {
+     var next = entry.next;
+     var prev = entry.previous;
+     delete state.index[entry.index];
+     entry.removed = true;
+     if (prev)
+      prev.next = next;
+     if (next)
+      next.previous = prev;
+     if (state.first == entry)
+      state.first = next;
+     if (state.last == entry)
+      state.last = prev;
+     if (DESCRIPTORS)
+      state.size--;
+     else
+      that.size--;
+    }
+    return !!entry;
+   },
+   forEach: function forEach(callbackfn) {
+    var state = getInternalState(this);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var entry;
+    while (entry = entry ? entry.next : state.first) {
+     boundFunction(entry.value, entry.key, this);
+     while (entry && entry.removed)
+      entry = entry.previous;
+    }
+   },
+   has: function has(key) {
+    return !!getEntry(this, key);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var entry = getEntry(this, key);
+    return entry && entry.value;
+   },
+   set: function set(key, value) {
+    return define(this, key === 0 ? 0 : key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value = value === 0 ? 0 : value, value);
+   }
+  });
+  if (DESCRIPTORS)
+   defineProperty(C.prototype, 'size', {
+    get: function () {
+     return getInternalState(this).size;
+    }
+   });
+  return C;
+ },
+ setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {
+  var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
+  var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);
+  defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
+   setInternalState(this, {
+    type: ITERATOR_NAME,
+    target: iterated,
+    state: getInternalCollectionState(iterated),
+    kind: kind,
+    last: undefined
+   });
+  }, function () {
+   var state = getInternalIteratorState(this);
+   var kind = state.kind;
+   var entry = state.last;
+   while (entry && entry.removed)
+    entry = entry.previous;
+   if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
+    state.target = undefined;
+    return {
+     value: undefined,
+     done: true
+    };
+   }
+   if (kind == 'keys')
+    return {
+     value: entry.key,
+     done: false
+    };
+   if (kind == 'values')
+    return {
+     value: entry.value,
+     done: false
+    };
+   return {
+    value: [
+     entry.key,
+     entry.value
+    ],
+    done: false
+   };
+  }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);
+  setSpecies(CONSTRUCTOR_NAME);
+ }
+};
+
+/***/ }),
+/* 153 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(154);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Set;
+
+/***/ }),
+/* 154 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionStrong = __w_pdfjs_require__(152);
+module.exports = collection('Set', function (init) {
+ return function Set() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 155 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(156);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.WeakMap;
+
+/***/ }),
+/* 156 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var global = __w_pdfjs_require__(11);
+var redefineAll = __w_pdfjs_require__(124);
+var InternalMetadataModule = __w_pdfjs_require__(149);
+var collection = __w_pdfjs_require__(148);
+var collectionWeak = __w_pdfjs_require__(157);
+var isObject = __w_pdfjs_require__(22);
+var enforceIternalState = __w_pdfjs_require__(33).enforce;
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(34);
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var isExtensible = Object.isExtensible;
+var InternalWeakMap;
+var wrapper = function (init) {
+ return function WeakMap() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+};
+var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);
+if (NATIVE_WEAK_MAP && IS_IE11) {
+ InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
+ InternalMetadataModule.REQUIRED = true;
+ var WeakMapPrototype = $WeakMap.prototype;
+ var nativeDelete = WeakMapPrototype['delete'];
+ var nativeHas = WeakMapPrototype.has;
+ var nativeGet = WeakMapPrototype.get;
+ var nativeSet = WeakMapPrototype.set;
+ redefineAll(WeakMapPrototype, {
+  'delete': function (key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeDelete.call(this, key) || state.frozen['delete'](key);
+   }
+   return nativeDelete.call(this, key);
+  },
+  has: function has(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) || state.frozen.has(key);
+   }
+   return nativeHas.call(this, key);
+  },
+  get: function get(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
+   }
+   return nativeGet.call(this, key);
+  },
+  set: function set(key, value) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
+   } else
+    nativeSet.call(this, key, value);
+   return this;
+  }
+ });
+}
+
+/***/ }),
+/* 157 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var redefineAll = __w_pdfjs_require__(124);
+var getWeakData = __w_pdfjs_require__(149).getWeakData;
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var anInstance = __w_pdfjs_require__(126);
+var iterate = __w_pdfjs_require__(104);
+var ArrayIterationModule = __w_pdfjs_require__(158);
+var $has = __w_pdfjs_require__(23);
+var InternalStateModule = __w_pdfjs_require__(33);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+var find = ArrayIterationModule.find;
+var findIndex = ArrayIterationModule.findIndex;
+var id = 0;
+var uncaughtFrozenStore = function (store) {
+ return store.frozen || (store.frozen = new UncaughtFrozenStore());
+};
+var UncaughtFrozenStore = function () {
+ this.entries = [];
+};
+var findUncaughtFrozen = function (store, key) {
+ return find(store.entries, function (it) {
+  return it[0] === key;
+ });
+};
+UncaughtFrozenStore.prototype = {
+ get: function (key) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   return entry[1];
+ },
+ has: function (key) {
+  return !!findUncaughtFrozen(this, key);
+ },
+ set: function (key, value) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   entry[1] = value;
+  else
+   this.entries.push([
+    key,
+    value
+   ]);
+ },
+ 'delete': function (key) {
+  var index = findIndex(this.entries, function (it) {
+   return it[0] === key;
+  });
+  if (~index)
+   this.entries.splice(index, 1);
+  return !!~index;
+ }
+};
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    id: id++,
+    frozen: undefined
+   });
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var data = getWeakData(anObject(key), true);
+   if (data === true)
+    uncaughtFrozenStore(state).set(key, value);
+   else
+    data[state.id] = value;
+   return that;
+  };
+  redefineAll(C.prototype, {
+   'delete': function (key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state)['delete'](key);
+    return data && $has(data, state.id) && delete data[state.id];
+   },
+   has: function has(key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state).has(key);
+    return data && $has(data, state.id);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var state = getInternalState(this);
+    if (isObject(key)) {
+     var data = getWeakData(key);
+     if (data === true)
+      return uncaughtFrozenStore(state).get(key);
+     return data ? data[state.id] : undefined;
+    }
+   },
+   set: function set(key, value) {
+    return define(this, key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value, true);
+   }
+  });
+  return C;
+ }
+};
+
+/***/ }),
+/* 158 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var bind = __w_pdfjs_require__(62);
+var IndexedObject = __w_pdfjs_require__(18);
+var toObject = __w_pdfjs_require__(83);
+var toLength = __w_pdfjs_require__(47);
+var arraySpeciesCreate = __w_pdfjs_require__(159);
+var push = [].push;
+var createMethod = function (TYPE) {
+ var IS_MAP = TYPE == 1;
+ var IS_FILTER = TYPE == 2;
+ var IS_SOME = TYPE == 3;
+ var IS_EVERY = TYPE == 4;
+ var IS_FIND_INDEX = TYPE == 6;
+ var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+ return function ($this, callbackfn, that, specificCreate) {
+  var O = toObject($this);
+  var self = IndexedObject(O);
+  var boundFunction = bind(callbackfn, that, 3);
+  var length = toLength(self.length);
+  var index = 0;
+  var create = specificCreate || arraySpeciesCreate;
+  var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+  var value, result;
+  for (; length > index; index++)
+   if (NO_HOLES || index in self) {
+    value = self[index];
+    result = boundFunction(value, index, O);
+    if (TYPE) {
+     if (IS_MAP)
+      target[index] = result;
+     else if (result)
+      switch (TYPE) {
+      case 3:
+       return true;
+      case 5:
+       return value;
+      case 6:
+       return index;
+      case 2:
+       push.call(target, value);
+      }
+     else if (IS_EVERY)
+      return false;
+    }
+   }
+  return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
+ };
+};
+module.exports = {
+ forEach: createMethod(0),
+ map: createMethod(1),
+ filter: createMethod(2),
+ some: createMethod(3),
+ every: createMethod(4),
+ find: createMethod(5),
+ findIndex: createMethod(6)
+};
+
+/***/ }),
+/* 159 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var isArray = __w_pdfjs_require__(160);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (originalArray, length) {
+ var C;
+ if (isArray(originalArray)) {
+  C = originalArray.constructor;
+  if (typeof C == 'function' && (C === Array || isArray(C.prototype)))
+   C = undefined;
+  else if (isObject(C)) {
+   C = C[SPECIES];
+   if (C === null)
+    C = undefined;
+  }
+ }
+ return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
+};
+
+/***/ }),
+/* 160 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(19);
+module.exports = Array.isArray || function isArray(arg) {
+ return classof(arg) == 'Array';
+};
+
+/***/ }),
+/* 161 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(162);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.WeakSet;
+
+/***/ }),
+/* 162 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionWeak = __w_pdfjs_require__(157);
+collection('WeakSet', function (init) {
+ return function WeakSet() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionWeak);
+
+/***/ }),
+/* 163 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(164);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'codePointAt');
+
+/***/ }),
+/* 164 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var codeAt = __w_pdfjs_require__(78).codeAt;
+$({
+ target: 'String',
+ proto: true
+}, {
+ codePointAt: function codePointAt(pos) {
+  return codeAt(this, pos);
+ }
+});
+
+/***/ }),
+/* 165 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(166);
+var path = __w_pdfjs_require__(43);
+module.exports = path.String.fromCodePoint;
+
+/***/ }),
+/* 166 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var toAbsoluteIndex = __w_pdfjs_require__(49);
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint;
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;
+$({
+ target: 'String',
+ stat: true,
+ forced: INCORRECT_LENGTH
+}, {
+ fromCodePoint: function fromCodePoint(x) {
+  var elements = [];
+  var length = arguments.length;
+  var i = 0;
+  var code;
+  while (length > i) {
+   code = +arguments[i++];
+   if (toAbsoluteIndex(code, 0x10FFFF) !== code)
+    throw RangeError(code + ' is not a valid code point');
+   elements.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00));
+  }
+  return elements.join('');
+ }
+});
+
+/***/ }),
+/* 167 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(168);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(170);
+__w_pdfjs_require__(174);
+__w_pdfjs_require__(175);
+__w_pdfjs_require__(176);
+__w_pdfjs_require__(177);
+__w_pdfjs_require__(178);
+__w_pdfjs_require__(179);
+__w_pdfjs_require__(180);
+__w_pdfjs_require__(181);
+__w_pdfjs_require__(182);
+__w_pdfjs_require__(183);
+__w_pdfjs_require__(184);
+__w_pdfjs_require__(185);
+__w_pdfjs_require__(186);
+__w_pdfjs_require__(187);
+__w_pdfjs_require__(188);
+__w_pdfjs_require__(189);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Symbol;
+
+/***/ }),
+/* 168 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var fails = __w_pdfjs_require__(14);
+var isArray = __w_pdfjs_require__(160);
+var isObject = __w_pdfjs_require__(22);
+var toObject = __w_pdfjs_require__(83);
+var toLength = __w_pdfjs_require__(47);
+var createProperty = __w_pdfjs_require__(93);
+var arraySpeciesCreate = __w_pdfjs_require__(159);
+var arrayMethodHasSpeciesSupport = __w_pdfjs_require__(169);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';
+var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
+ var array = [];
+ array[IS_CONCAT_SPREADABLE] = false;
+ return array.concat()[0] !== array;
+});
+var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');
+var isConcatSpreadable = function (O) {
+ if (!isObject(O))
+  return false;
+ var spreadable = O[IS_CONCAT_SPREADABLE];
+ return spreadable !== undefined ? !!spreadable : isArray(O);
+};
+var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;
+$({
+ target: 'Array',
+ proto: true,
+ forced: FORCED
+}, {
+ concat: function concat(arg) {
+  var O = toObject(this);
+  var A = arraySpeciesCreate(O, 0);
+  var n = 0;
+  var i, k, length, len, E;
+  for (i = -1, length = arguments.length; i < length; i++) {
+   E = i === -1 ? O : arguments[i];
+   if (isConcatSpreadable(E)) {
+    len = toLength(E.length);
+    if (n + len > MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    for (k = 0; k < len; k++, n++)
+     if (k in E)
+      createProperty(A, n, E[k]);
+   } else {
+    if (n >= MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    createProperty(A, n++, E);
+   }
+  }
+  A.length = n;
+  return A;
+ }
+});
+
+/***/ }),
+/* 169 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (METHOD_NAME) {
+ return V8_VERSION >= 51 || !fails(function () {
+  var array = [];
+  var constructor = array.constructor = {};
+  constructor[SPECIES] = function () {
+   return { foo: 1 };
+  };
+  return array[METHOD_NAME](Boolean).foo !== 1;
+ });
+};
+
+/***/ }),
+/* 170 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+var getBuiltIn = __w_pdfjs_require__(42);
+var IS_PURE = __w_pdfjs_require__(37);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(59);
+var fails = __w_pdfjs_require__(14);
+var has = __w_pdfjs_require__(23);
+var isArray = __w_pdfjs_require__(160);
+var isObject = __w_pdfjs_require__(22);
+var anObject = __w_pdfjs_require__(28);
+var toObject = __w_pdfjs_require__(83);
+var toIndexedObject = __w_pdfjs_require__(17);
+var toPrimitive = __w_pdfjs_require__(21);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var nativeObjectCreate = __w_pdfjs_require__(71);
+var objectKeys = __w_pdfjs_require__(73);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(44);
+var getOwnPropertyNamesExternal = __w_pdfjs_require__(171);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(12);
+var definePropertyModule = __w_pdfjs_require__(27);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var shared = __w_pdfjs_require__(36);
+var sharedKey = __w_pdfjs_require__(35);
+var hiddenKeys = __w_pdfjs_require__(39);
+var uid = __w_pdfjs_require__(38);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(172);
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+var setToStringTag = __w_pdfjs_require__(85);
+var InternalStateModule = __w_pdfjs_require__(33);
+var $forEach = __w_pdfjs_require__(158).forEach;
+var HIDDEN = sharedKey('hidden');
+var SYMBOL = 'Symbol';
+var PROTOTYPE = 'prototype';
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SYMBOL);
+var ObjectPrototype = Object[PROTOTYPE];
+var $Symbol = global.Symbol;
+var $stringify = getBuiltIn('JSON', 'stringify');
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
+var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
+var AllSymbols = shared('symbols');
+var ObjectPrototypeSymbols = shared('op-symbols');
+var StringToSymbolRegistry = shared('string-to-symbol-registry');
+var SymbolToStringRegistry = shared('symbol-to-string-registry');
+var WellKnownSymbolsStore = shared('wks');
+var QObject = global.QObject;
+var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
+var setSymbolDescriptor = DESCRIPTORS && fails(function () {
+ return nativeObjectCreate(nativeDefineProperty({}, 'a', {
+  get: function () {
+   return nativeDefineProperty(this, 'a', { value: 7 }).a;
+  }
+ })).a != 7;
+}) ? function (O, P, Attributes) {
+ var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
+ if (ObjectPrototypeDescriptor)
+  delete ObjectPrototype[P];
+ nativeDefineProperty(O, P, Attributes);
+ if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
+  nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
+ }
+} : nativeDefineProperty;
+var wrap = function (tag, description) {
+ var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
+ setInternalState(symbol, {
+  type: SYMBOL,
+  tag: tag,
+  description: description
+ });
+ if (!DESCRIPTORS)
+  symbol.description = description;
+ return symbol;
+};
+var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
+ return typeof it == 'symbol';
+} : function (it) {
+ return Object(it) instanceof $Symbol;
+};
+var $defineProperty = function defineProperty(O, P, Attributes) {
+ if (O === ObjectPrototype)
+  $defineProperty(ObjectPrototypeSymbols, P, Attributes);
+ anObject(O);
+ var key = toPrimitive(P, true);
+ anObject(Attributes);
+ if (has(AllSymbols, key)) {
+  if (!Attributes.enumerable) {
+   if (!has(O, HIDDEN))
+    nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
+   O[HIDDEN][key] = true;
+  } else {
+   if (has(O, HIDDEN) && O[HIDDEN][key])
+    O[HIDDEN][key] = false;
+   Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
+  }
+  return setSymbolDescriptor(O, key, Attributes);
+ }
+ return nativeDefineProperty(O, key, Attributes);
+};
+var $defineProperties = function defineProperties(O, Properties) {
+ anObject(O);
+ var properties = toIndexedObject(Properties);
+ var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
+ $forEach(keys, function (key) {
+  if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key))
+   $defineProperty(O, key, properties[key]);
+ });
+ return O;
+};
+var $create = function create(O, Properties) {
+ return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
+};
+var $propertyIsEnumerable = function propertyIsEnumerable(V) {
+ var P = toPrimitive(V, true);
+ var enumerable = nativePropertyIsEnumerable.call(this, P);
+ if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P))
+  return false;
+ return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
+};
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
+ var it = toIndexedObject(O);
+ var key = toPrimitive(P, true);
+ if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key))
+  return;
+ var descriptor = nativeGetOwnPropertyDescriptor(it, key);
+ if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
+  descriptor.enumerable = true;
+ }
+ return descriptor;
+};
+var $getOwnPropertyNames = function getOwnPropertyNames(O) {
+ var names = nativeGetOwnPropertyNames(toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (!has(AllSymbols, key) && !has(hiddenKeys, key))
+   result.push(key);
+ });
+ return result;
+};
+var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
+ var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
+ var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
+   result.push(AllSymbols[key]);
+  }
+ });
+ return result;
+};
+if (!NATIVE_SYMBOL) {
+ $Symbol = function Symbol() {
+  if (this instanceof $Symbol)
+   throw TypeError('Symbol is not a constructor');
+  var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var tag = uid(description);
+  var setter = function (value) {
+   if (this === ObjectPrototype)
+    setter.call(ObjectPrototypeSymbols, value);
+   if (has(this, HIDDEN) && has(this[HIDDEN], tag))
+    this[HIDDEN][tag] = false;
+   setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
+  };
+  if (DESCRIPTORS && USE_SETTER)
+   setSymbolDescriptor(ObjectPrototype, tag, {
+    configurable: true,
+    set: setter
+   });
+  return wrap(tag, description);
+ };
+ redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+  return getInternalState(this).tag;
+ });
+ redefine($Symbol, 'withoutSetter', function (description) {
+  return wrap(uid(description), description);
+ });
+ propertyIsEnumerableModule.f = $propertyIsEnumerable;
+ definePropertyModule.f = $defineProperty;
+ getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
+ getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
+ getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;
+ wrappedWellKnownSymbolModule.f = function (name) {
+  return wrap(wellKnownSymbol(name), name);
+ };
+ if (DESCRIPTORS) {
+  nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
+   configurable: true,
+   get: function description() {
+    return getInternalState(this).description;
+   }
+  });
+  if (!IS_PURE) {
+   redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
+  }
+ }
+}
+$({
+ global: true,
+ wrap: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !NATIVE_SYMBOL
+}, { Symbol: $Symbol });
+$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
+ defineWellKnownSymbol(name);
+});
+$({
+ target: SYMBOL,
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ 'for': function (key) {
+  var string = String(key);
+  if (has(StringToSymbolRegistry, string))
+   return StringToSymbolRegistry[string];
+  var symbol = $Symbol(string);
+  StringToSymbolRegistry[string] = symbol;
+  SymbolToStringRegistry[symbol] = string;
+  return symbol;
+ },
+ keyFor: function keyFor(sym) {
+  if (!isSymbol(sym))
+   throw TypeError(sym + ' is not a symbol');
+  if (has(SymbolToStringRegistry, sym))
+   return SymbolToStringRegistry[sym];
+ },
+ useSetter: function () {
+  USE_SETTER = true;
+ },
+ useSimple: function () {
+  USE_SETTER = false;
+ }
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !DESCRIPTORS
+}, {
+ create: $create,
+ defineProperty: $defineProperty,
+ defineProperties: $defineProperties,
+ getOwnPropertyDescriptor: $getOwnPropertyDescriptor
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ getOwnPropertyNames: $getOwnPropertyNames,
+ getOwnPropertySymbols: $getOwnPropertySymbols
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: fails(function () {
+  getOwnPropertySymbolsModule.f(1);
+ })
+}, {
+ getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+  return getOwnPropertySymbolsModule.f(toObject(it));
+ }
+});
+if ($stringify) {
+ var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
+  var symbol = $Symbol();
+  return $stringify([symbol]) != '[null]' || $stringify({ a: symbol }) != '{}' || $stringify(Object(symbol)) != '{}';
+ });
+ $({
+  target: 'JSON',
+  stat: true,
+  forced: FORCED_JSON_STRINGIFY
+ }, {
+  stringify: function stringify(it, replacer, space) {
+   var args = [it];
+   var index = 1;
+   var $replacer;
+   while (arguments.length > index)
+    args.push(arguments[index++]);
+   $replacer = replacer;
+   if (!isObject(replacer) && it === undefined || isSymbol(it))
+    return;
+   if (!isArray(replacer))
+    replacer = function (key, value) {
+     if (typeof $replacer == 'function')
+      value = $replacer.call(this, key, value);
+     if (!isSymbol(value))
+      return value;
+    };
+   args[1] = replacer;
+   return $stringify.apply(null, args);
+  }
+ });
+}
+if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
+ createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+}
+setToStringTag($Symbol, SYMBOL);
+hiddenKeys[HIDDEN] = true;
+
+/***/ }),
+/* 171 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var nativeGetOwnPropertyNames = __w_pdfjs_require__(44).f;
+var toString = {}.toString;
+var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
+var getWindowNames = function (it) {
+ try {
+  return nativeGetOwnPropertyNames(it);
+ } catch (error) {
+  return windowNames.slice();
+ }
+};
+module.exports.f = function getOwnPropertyNames(it) {
+ return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : nativeGetOwnPropertyNames(toIndexedObject(it));
+};
+
+/***/ }),
+/* 172 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+exports.f = wellKnownSymbol;
+
+/***/ }),
+/* 173 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(43);
+var has = __w_pdfjs_require__(23);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(172);
+var defineProperty = __w_pdfjs_require__(27).f;
+module.exports = function (NAME) {
+ var Symbol = path.Symbol || (path.Symbol = {});
+ if (!has(Symbol, NAME))
+  defineProperty(Symbol, NAME, { value: wrappedWellKnownSymbolModule.f(NAME) });
+};
+
+/***/ }),
+/* 174 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('asyncIterator');
+
+/***/ }),
+/* 175 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var global = __w_pdfjs_require__(11);
+var has = __w_pdfjs_require__(23);
+var isObject = __w_pdfjs_require__(22);
+var defineProperty = __w_pdfjs_require__(27).f;
+var copyConstructorProperties = __w_pdfjs_require__(40);
+var NativeSymbol = global.Symbol;
+if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) || NativeSymbol().description !== undefined)) {
+ var EmptyStringDescriptionStore = {};
+ var SymbolWrapper = function Symbol() {
+  var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var result = this instanceof SymbolWrapper ? new NativeSymbol(description) : description === undefined ? NativeSymbol() : NativeSymbol(description);
+  if (description === '')
+   EmptyStringDescriptionStore[result] = true;
+  return result;
+ };
+ copyConstructorProperties(SymbolWrapper, NativeSymbol);
+ var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
+ symbolPrototype.constructor = SymbolWrapper;
+ var symbolToString = symbolPrototype.toString;
+ var native = String(NativeSymbol('test')) == 'Symbol(test)';
+ var regexp = /^Symbol\((.*)\)[^)]+$/;
+ defineProperty(symbolPrototype, 'description', {
+  configurable: true,
+  get: function description() {
+   var symbol = isObject(this) ? this.valueOf() : this;
+   var string = symbolToString.call(symbol);
+   if (has(EmptyStringDescriptionStore, symbol))
+    return '';
+   var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
+   return desc === '' ? undefined : desc;
+  }
+ });
+ $({
+  global: true,
+  forced: true
+ }, { Symbol: SymbolWrapper });
+}
+
+/***/ }),
+/* 176 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('hasInstance');
+
+/***/ }),
+/* 177 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('isConcatSpreadable');
+
+/***/ }),
+/* 178 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('iterator');
+
+/***/ }),
+/* 179 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('match');
+
+/***/ }),
+/* 180 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('matchAll');
+
+/***/ }),
+/* 181 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('replace');
+
+/***/ }),
+/* 182 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('search');
+
+/***/ }),
+/* 183 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('species');
+
+/***/ }),
+/* 184 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('split');
+
+/***/ }),
+/* 185 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('toPrimitive');
+
+/***/ }),
+/* 186 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('toStringTag');
+
+/***/ }),
+/* 187 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('unscopables');
+
+/***/ }),
+/* 188 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var setToStringTag = __w_pdfjs_require__(85);
+setToStringTag(Math, 'Math', true);
+
+/***/ }),
+/* 189 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var setToStringTag = __w_pdfjs_require__(85);
+setToStringTag(global.JSON, 'JSON', true);
+
+/***/ }),
+/* 190 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(191);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'padStart');
+
+/***/ }),
+/* 191 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $padStart = __w_pdfjs_require__(192).start;
+var WEBKIT_BUG = __w_pdfjs_require__(194);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padStart: function padStart(maxLength) {
+  return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 192 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toLength = __w_pdfjs_require__(47);
+var repeat = __w_pdfjs_require__(193);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var ceil = Math.ceil;
+var createMethod = function (IS_END) {
+ return function ($this, maxLength, fillString) {
+  var S = String(requireObjectCoercible($this));
+  var stringLength = S.length;
+  var fillStr = fillString === undefined ? ' ' : String(fillString);
+  var intMaxLength = toLength(maxLength);
+  var fillLen, stringFiller;
+  if (intMaxLength <= stringLength || fillStr == '')
+   return S;
+  fillLen = intMaxLength - stringLength;
+  stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));
+  if (stringFiller.length > fillLen)
+   stringFiller = stringFiller.slice(0, fillLen);
+  return IS_END ? S + stringFiller : stringFiller + S;
+ };
+};
+module.exports = {
+ start: createMethod(false),
+ end: createMethod(true)
+};
+
+/***/ }),
+/* 193 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toInteger = __w_pdfjs_require__(48);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = ''.repeat || function repeat(count) {
+ var str = String(requireObjectCoercible(this));
+ var result = '';
+ var n = toInteger(count);
+ if (n < 0 || n == Infinity)
+  throw RangeError('Wrong number of repetitions');
+ for (; n > 0; (n >>>= 1) && (str += str))
+  if (n & 1)
+   result += str;
+ return result;
+};
+
+/***/ }),
+/* 194 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var userAgent = __w_pdfjs_require__(129);
+module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+
+/***/ }),
+/* 195 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(196);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'padEnd');
+
+/***/ }),
+/* 196 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $padEnd = __w_pdfjs_require__(192).end;
+var WEBKIT_BUG = __w_pdfjs_require__(194);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padEnd: function padEnd(maxLength) {
+  return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 197 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(198);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.values;
+
+/***/ }),
+/* 198 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var $values = __w_pdfjs_require__(199).values;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ values: function values(O) {
+  return $values(O);
+ }
+});
+
+/***/ }),
+/* 199 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var objectKeys = __w_pdfjs_require__(73);
+var toIndexedObject = __w_pdfjs_require__(17);
+var propertyIsEnumerable = __w_pdfjs_require__(15).f;
+var createMethod = function (TO_ENTRIES) {
+ return function (it) {
+  var O = toIndexedObject(it);
+  var keys = objectKeys(O);
+  var length = keys.length;
+  var i = 0;
+  var result = [];
+  var key;
+  while (length > i) {
+   key = keys[i++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {
+    result.push(TO_ENTRIES ? [
+     key,
+     O[key]
+    ] : O[key]);
+   }
+  }
+  return result;
+ };
+};
+module.exports = {
+ entries: createMethod(true),
+ values: createMethod(false)
+};
+
+/***/ }),
+/* 200 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(201);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.entries;
+
+/***/ }),
+/* 201 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var $entries = __w_pdfjs_require__(199).entries;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ entries: function entries(O) {
+  return $entries(O);
+ }
+});
+
+/***/ }),
+/* 202 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _font_loader = __w_pdfjs_require__(203);
+
+var _node_utils = __w_pdfjs_require__(204);
+
+var _annotation_storage = __w_pdfjs_require__(205);
+
+var _api_compatibility = __w_pdfjs_require__(206);
+
+var _canvas = __w_pdfjs_require__(207);
+
+var _worker_options = __w_pdfjs_require__(209);
+
+var _is_node = __w_pdfjs_require__(7);
+
+var _message_handler = __w_pdfjs_require__(210);
+
+var _metadata = __w_pdfjs_require__(211);
+
+var _optional_content_config = __w_pdfjs_require__(213);
+
+var _transport_stream = __w_pdfjs_require__(214);
+
+var _webgl = __w_pdfjs_require__(215);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var DEFAULT_RANGE_CHUNK_SIZE = 65536;
+var RENDERING_CANCELLED_TIMEOUT = 100;
+var DefaultCanvasFactory = _is_node.isNodeJS ? _node_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory;
+var DefaultCMapReaderFactory = _is_node.isNodeJS ? _node_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory;
+var createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+  createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+  var task = new PDFDocumentLoadingTask();
+  var source;
+
+  if (typeof src === "string") {
+    source = {
+      url: src
+    };
+  } else if ((0, _util.isArrayBuffer)(src)) {
+    source = {
+      data: src
+    };
+  } else if (src instanceof PDFDataRangeTransport) {
+    source = {
+      range: src
+    };
+  } else {
+    if (_typeof(src) !== "object") {
+      throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object");
+    }
+
+    if (!src.url && !src.data && !src.range) {
+      throw new Error("Invalid parameter object: need either .data, .range or .url");
+    }
+
+    source = src;
+  }
+
+  var params = Object.create(null);
+  var rangeTransport = null,
+      worker = null;
+
+  for (var key in source) {
+    if (key === "url" && typeof window !== "undefined") {
+      params[key] = new URL(source[key], window.location).href;
+      continue;
+    } else if (key === "range") {
+      rangeTransport = source[key];
+      continue;
+    } else if (key === "worker") {
+      worker = source[key];
+      continue;
+    } else if (key === "data" && !(source[key] instanceof Uint8Array)) {
+      var pdfBytes = source[key];
+
+      if (typeof pdfBytes === "string") {
+        params[key] = (0, _util.stringToBytes)(pdfBytes);
+      } else if (_typeof(pdfBytes) === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else {
+        throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property.");
+      }
+
+      continue;
+    }
+
+    params[key] = source[key];
+  }
+
+  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+  params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
+  params.ignoreErrors = params.stopAtErrors !== true;
+  params.fontExtraProperties = params.fontExtraProperties === true;
+  params.pdfBug = params.pdfBug === true;
+
+  if (!Number.isInteger(params.maxImageSize)) {
+    params.maxImageSize = -1;
+  }
+
+  if (typeof params.isEvalSupported !== "boolean") {
+    params.isEvalSupported = true;
+  }
+
+  if (typeof params.disableFontFace !== "boolean") {
+    params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
+  }
+
+  if (typeof params.ownerDocument === "undefined") {
+    params.ownerDocument = globalThis.document;
+  }
+
+  if (typeof params.disableRange !== "boolean") {
+    params.disableRange = false;
+  }
+
+  if (typeof params.disableStream !== "boolean") {
+    params.disableStream = false;
+  }
+
+  if (typeof params.disableAutoFetch !== "boolean") {
+    params.disableAutoFetch = false;
+  }
+
+  (0, _util.setVerbosityLevel)(params.verbosity);
+
+  if (!worker) {
+    var workerParams = {
+      verbosity: params.verbosity,
+      port: _worker_options.GlobalWorkerOptions.workerPort
+    };
+    worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+    task._worker = worker;
+  }
+
+  var docId = task.docId;
+  worker.promise.then(function () {
+    if (task.destroyed) {
+      throw new Error("Loading aborted");
+    }
+
+    var workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
+
+    var networkStreamPromise = new Promise(function (resolve) {
+      var networkStream;
+
+      if (rangeTransport) {
+        networkStream = new _transport_stream.PDFDataTransportStream({
+          length: params.length,
+          initialData: params.initialData,
+          progressiveDone: params.progressiveDone,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        }, rangeTransport);
+      } else if (!params.data) {
+        networkStream = createPDFNetworkStream({
+          url: params.url,
+          length: params.length,
+          httpHeaders: params.httpHeaders,
+          withCredentials: params.withCredentials,
+          rangeChunkSize: params.rangeChunkSize,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        });
+      }
+
+      resolve(networkStream);
+    });
+    return Promise.all([workerIdPromise, networkStreamPromise]).then(function (_ref) {
+      var _ref2 = _slicedToArray(_ref, 2),
+          workerId = _ref2[0],
+          networkStream = _ref2[1];
+
+      if (task.destroyed) {
+        throw new Error("Loading aborted");
+      }
+
+      var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+      messageHandler.postMessageTransfers = worker.postMessageTransfers;
+      var transport = new WorkerTransport(messageHandler, task, networkStream, params);
+      task._transport = transport;
+      messageHandler.send("Ready", null);
+    });
+  })["catch"](task._capability.reject);
+  return task;
+}
+
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+  if (worker.destroyed) {
+    return Promise.reject(new Error("Worker was destroyed"));
+  }
+
+  if (pdfDataRangeTransport) {
+    source.length = pdfDataRangeTransport.length;
+    source.initialData = pdfDataRangeTransport.initialData;
+    source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+  }
+
+  return worker.messageHandler.sendWithPromise("GetDocRequest", {
+    docId: docId,
+    apiVersion: '2.6.347',
+    source: {
+      data: source.data,
+      url: source.url,
+      password: source.password,
+      disableAutoFetch: source.disableAutoFetch,
+      rangeChunkSize: source.rangeChunkSize,
+      length: source.length
+    },
+    maxImageSize: source.maxImageSize,
+    disableFontFace: source.disableFontFace,
+    postMessageTransfers: worker.postMessageTransfers,
+    docBaseUrl: source.docBaseUrl,
+    ignoreErrors: source.ignoreErrors,
+    isEvalSupported: source.isEvalSupported,
+    fontExtraProperties: source.fontExtraProperties
+  }).then(function (workerId) {
+    if (worker.destroyed) {
+      throw new Error("Worker was destroyed");
+    }
+
+    return workerId;
+  });
+}
+
+var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
+  var nextDocumentId = 0;
+
+  var PDFDocumentLoadingTask = /*#__PURE__*/function () {
+    function PDFDocumentLoadingTask() {
+      _classCallCheck(this, PDFDocumentLoadingTask);
+
+      this._capability = (0, _util.createPromiseCapability)();
+      this._transport = null;
+      this._worker = null;
+      this.docId = "d" + nextDocumentId++;
+      this.destroyed = false;
+      this.onPassword = null;
+      this.onProgress = null;
+      this.onUnsupportedFeature = null;
+    }
+
+    _createClass(PDFDocumentLoadingTask, [{
+      key: "destroy",
+      value: function destroy() {
+        var _this = this;
+
+        this.destroyed = true;
+        var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
+        return transportDestroyed.then(function () {
+          _this._transport = null;
+
+          if (_this._worker) {
+            _this._worker.destroy();
+
+            _this._worker = null;
+          }
+        });
+      }
+    }, {
+      key: "promise",
+      get: function get() {
+        return this._capability.promise;
+      }
+    }]);
+
+    return PDFDocumentLoadingTask;
+  }();
+
+  return PDFDocumentLoadingTask;
+}();
+
+var PDFDataRangeTransport = /*#__PURE__*/function () {
+  function PDFDataRangeTransport(length, initialData) {
+    var progressiveDone = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, PDFDataRangeTransport);
+
+    this.length = length;
+    this.initialData = initialData;
+    this.progressiveDone = progressiveDone;
+    this._rangeListeners = [];
+    this._progressListeners = [];
+    this._progressiveReadListeners = [];
+    this._progressiveDoneListeners = [];
+    this._readyCapability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(PDFDataRangeTransport, [{
+    key: "addRangeListener",
+    value: function addRangeListener(listener) {
+      this._rangeListeners.push(listener);
+    }
+  }, {
+    key: "addProgressListener",
+    value: function addProgressListener(listener) {
+      this._progressListeners.push(listener);
+    }
+  }, {
+    key: "addProgressiveReadListener",
+    value: function addProgressiveReadListener(listener) {
+      this._progressiveReadListeners.push(listener);
+    }
+  }, {
+    key: "addProgressiveDoneListener",
+    value: function addProgressiveDoneListener(listener) {
+      this._progressiveDoneListeners.push(listener);
+    }
+  }, {
+    key: "onDataRange",
+    value: function onDataRange(begin, chunk) {
+      var _iterator = _createForOfIteratorHelper(this._rangeListeners),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var listener = _step.value;
+          listener(begin, chunk);
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+    }
+  }, {
+    key: "onDataProgress",
+    value: function onDataProgress(loaded, total) {
+      var _this2 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iterator2 = _createForOfIteratorHelper(_this2._progressListeners),
+            _step2;
+
+        try {
+          for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+            var listener = _step2.value;
+            listener(loaded, total);
+          }
+        } catch (err) {
+          _iterator2.e(err);
+        } finally {
+          _iterator2.f();
+        }
+      });
+    }
+  }, {
+    key: "onDataProgressiveRead",
+    value: function onDataProgressiveRead(chunk) {
+      var _this3 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iterator3 = _createForOfIteratorHelper(_this3._progressiveReadListeners),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var listener = _step3.value;
+            listener(chunk);
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+      });
+    }
+  }, {
+    key: "onDataProgressiveDone",
+    value: function onDataProgressiveDone() {
+      var _this4 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iterator4 = _createForOfIteratorHelper(_this4._progressiveDoneListeners),
+            _step4;
+
+        try {
+          for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+            var listener = _step4.value;
+            listener();
+          }
+        } catch (err) {
+          _iterator4.e(err);
+        } finally {
+          _iterator4.f();
+        }
+      });
+    }
+  }, {
+    key: "transportReady",
+    value: function transportReady() {
+      this._readyCapability.resolve();
+    }
+  }, {
+    key: "requestDataRange",
+    value: function requestDataRange(begin, end) {
+      (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
+    }
+  }, {
+    key: "abort",
+    value: function abort() {}
+  }]);
+
+  return PDFDataRangeTransport;
+}();
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+var PDFDocumentProxy = /*#__PURE__*/function () {
+  function PDFDocumentProxy(pdfInfo, transport) {
+    _classCallCheck(this, PDFDocumentProxy);
+
+    this._pdfInfo = pdfInfo;
+    this._transport = transport;
+  }
+
+  _createClass(PDFDocumentProxy, [{
+    key: "getPage",
+    value: function getPage(pageNumber) {
+      return this._transport.getPage(pageNumber);
+    }
+  }, {
+    key: "getPageIndex",
+    value: function getPageIndex(ref) {
+      return this._transport.getPageIndex(ref);
+    }
+  }, {
+    key: "getDestinations",
+    value: function getDestinations() {
+      return this._transport.getDestinations();
+    }
+  }, {
+    key: "getDestination",
+    value: function getDestination(id) {
+      return this._transport.getDestination(id);
+    }
+  }, {
+    key: "getPageLabels",
+    value: function getPageLabels() {
+      return this._transport.getPageLabels();
+    }
+  }, {
+    key: "getPageLayout",
+    value: function getPageLayout() {
+      return this._transport.getPageLayout();
+    }
+  }, {
+    key: "getPageMode",
+    value: function getPageMode() {
+      return this._transport.getPageMode();
+    }
+  }, {
+    key: "getViewerPreferences",
+    value: function getViewerPreferences() {
+      return this._transport.getViewerPreferences();
+    }
+  }, {
+    key: "getOpenAction",
+    value: function getOpenAction() {
+      return this._transport.getOpenAction();
+    }
+  }, {
+    key: "getAttachments",
+    value: function getAttachments() {
+      return this._transport.getAttachments();
+    }
+  }, {
+    key: "getJavaScript",
+    value: function getJavaScript() {
+      return this._transport.getJavaScript();
+    }
+  }, {
+    key: "getOutline",
+    value: function getOutline() {
+      return this._transport.getOutline();
+    }
+  }, {
+    key: "getOptionalContentConfig",
+    value: function getOptionalContentConfig() {
+      return this._transport.getOptionalContentConfig();
+    }
+  }, {
+    key: "getPermissions",
+    value: function getPermissions() {
+      return this._transport.getPermissions();
+    }
+  }, {
+    key: "getMetadata",
+    value: function getMetadata() {
+      return this._transport.getMetadata();
+    }
+  }, {
+    key: "getData",
+    value: function getData() {
+      return this._transport.getData();
+    }
+  }, {
+    key: "getDownloadInfo",
+    value: function getDownloadInfo() {
+      return this._transport.downloadInfoCapability.promise;
+    }
+  }, {
+    key: "getStats",
+    value: function getStats() {
+      return this._transport.getStats();
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      return this._transport.startCleanup();
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      return this.loadingTask.destroy();
+    }
+  }, {
+    key: "saveDocument",
+    value: function saveDocument(annotationStorage) {
+      return this._transport.saveDocument(annotationStorage);
+    }
+  }, {
+    key: "annotationStorage",
+    get: function get() {
+      return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
+    }
+  }, {
+    key: "numPages",
+    get: function get() {
+      return this._pdfInfo.numPages;
+    }
+  }, {
+    key: "fingerprint",
+    get: function get() {
+      return this._pdfInfo.fingerprint;
+    }
+  }, {
+    key: "loadingParams",
+    get: function get() {
+      return this._transport.loadingParams;
+    }
+  }, {
+    key: "loadingTask",
+    get: function get() {
+      return this._transport.loadingTask;
+    }
+  }]);
+
+  return PDFDocumentProxy;
+}();
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+var PDFPageProxy = /*#__PURE__*/function () {
+  function PDFPageProxy(pageIndex, pageInfo, transport, ownerDocument) {
+    var pdfBug = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
+
+    _classCallCheck(this, PDFPageProxy);
+
+    this._pageIndex = pageIndex;
+    this._pageInfo = pageInfo;
+    this._ownerDocument = ownerDocument;
+    this._transport = transport;
+    this._stats = pdfBug ? new _display_utils.StatTimer() : null;
+    this._pdfBug = pdfBug;
+    this.commonObjs = transport.commonObjs;
+    this.objs = new PDFObjects();
+    this.cleanupAfterRender = false;
+    this.pendingCleanup = false;
+    this._intentStates = new Map();
+    this.destroyed = false;
+  }
+
+  _createClass(PDFPageProxy, [{
+    key: "getViewport",
+    value: function getViewport() {
+      var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          scale = _ref3.scale,
+          _ref3$rotation = _ref3.rotation,
+          rotation = _ref3$rotation === void 0 ? this.rotate : _ref3$rotation,
+          _ref3$offsetX = _ref3.offsetX,
+          offsetX = _ref3$offsetX === void 0 ? 0 : _ref3$offsetX,
+          _ref3$offsetY = _ref3.offsetY,
+          offsetY = _ref3$offsetY === void 0 ? 0 : _ref3$offsetY,
+          _ref3$dontFlip = _ref3.dontFlip,
+          dontFlip = _ref3$dontFlip === void 0 ? false : _ref3$dontFlip;
+
+      return new _display_utils.PageViewport({
+        viewBox: this.view,
+        scale: scale,
+        rotation: rotation,
+        offsetX: offsetX,
+        offsetY: offsetY,
+        dontFlip: dontFlip
+      });
+    }
+  }, {
+    key: "getAnnotations",
+    value: function getAnnotations() {
+      var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref4$intent = _ref4.intent,
+          intent = _ref4$intent === void 0 ? null : _ref4$intent;
+
+      if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+        this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
+        this.annotationsIntent = intent;
+      }
+
+      return this.annotationsPromise;
+    }
+  }, {
+    key: "render",
+    value: function render(_ref5) {
+      var _this5 = this;
+
+      var canvasContext = _ref5.canvasContext,
+          viewport = _ref5.viewport,
+          _ref5$intent = _ref5.intent,
+          intent = _ref5$intent === void 0 ? "display" : _ref5$intent,
+          _ref5$enableWebGL = _ref5.enableWebGL,
+          enableWebGL = _ref5$enableWebGL === void 0 ? false : _ref5$enableWebGL,
+          _ref5$renderInteracti = _ref5.renderInteractiveForms,
+          renderInteractiveForms = _ref5$renderInteracti === void 0 ? false : _ref5$renderInteracti,
+          _ref5$transform = _ref5.transform,
+          transform = _ref5$transform === void 0 ? null : _ref5$transform,
+          _ref5$imageLayer = _ref5.imageLayer,
+          imageLayer = _ref5$imageLayer === void 0 ? null : _ref5$imageLayer,
+          _ref5$canvasFactory = _ref5.canvasFactory,
+          canvasFactory = _ref5$canvasFactory === void 0 ? null : _ref5$canvasFactory,
+          _ref5$background = _ref5.background,
+          background = _ref5$background === void 0 ? null : _ref5$background,
+          _ref5$annotationStora = _ref5.annotationStorage,
+          annotationStorage = _ref5$annotationStora === void 0 ? null : _ref5$annotationStora,
+          _ref5$optionalContent = _ref5.optionalContentConfigPromise,
+          optionalContentConfigPromise = _ref5$optionalContent === void 0 ? null : _ref5$optionalContent;
+
+      if (this._stats) {
+        this._stats.time("Overall");
+      }
+
+      var renderingIntent = intent === "print" ? "print" : "display";
+      this.pendingCleanup = false;
+
+      if (!optionalContentConfigPromise) {
+        optionalContentConfigPromise = this._transport.getOptionalContentConfig();
+      }
+
+      var intentState = this._intentStates.get(renderingIntent);
+
+      if (!intentState) {
+        intentState = Object.create(null);
+
+        this._intentStates.set(renderingIntent, intentState);
+      }
+
+      if (intentState.streamReaderCancelTimeout) {
+        clearTimeout(intentState.streamReaderCancelTimeout);
+        intentState.streamReaderCancelTimeout = null;
+      }
+
+      var canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
+        ownerDocument: this._ownerDocument
+      });
+      var webGLContext = new _webgl.WebGLContext({
+        enable: enableWebGL
+      });
+
+      if (!intentState.displayReadyCapability) {
+        intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+        intentState.operatorList = {
+          fnArray: [],
+          argsArray: [],
+          lastChunk: false
+        };
+
+        if (this._stats) {
+          this._stats.time("Page Request");
+        }
+
+        this._pumpOperatorList({
+          pageIndex: this._pageIndex,
+          intent: renderingIntent,
+          renderInteractiveForms: renderInteractiveForms === true,
+          annotationStorage: annotationStorage && annotationStorage.getAll() || null
+        });
+      }
+
+      var complete = function complete(error) {
+        var i = intentState.renderTasks.indexOf(internalRenderTask);
+
+        if (i >= 0) {
+          intentState.renderTasks.splice(i, 1);
+        }
+
+        if (_this5.cleanupAfterRender || renderingIntent === "print") {
+          _this5.pendingCleanup = true;
+        }
+
+        _this5._tryCleanup();
+
+        if (error) {
+          internalRenderTask.capability.reject(error);
+
+          _this5._abortOperatorList({
+            intentState: intentState,
+            reason: error
+          });
+        } else {
+          internalRenderTask.capability.resolve();
+        }
+
+        if (_this5._stats) {
+          _this5._stats.timeEnd("Rendering");
+
+          _this5._stats.timeEnd("Overall");
+        }
+      };
+
+      var internalRenderTask = new InternalRenderTask({
+        callback: complete,
+        params: {
+          canvasContext: canvasContext,
+          viewport: viewport,
+          transform: transform,
+          imageLayer: imageLayer,
+          background: background
+        },
+        objs: this.objs,
+        commonObjs: this.commonObjs,
+        operatorList: intentState.operatorList,
+        pageIndex: this._pageIndex,
+        canvasFactory: canvasFactoryInstance,
+        webGLContext: webGLContext,
+        useRequestAnimationFrame: renderingIntent !== "print",
+        pdfBug: this._pdfBug
+      });
+
+      if (!intentState.renderTasks) {
+        intentState.renderTasks = [];
+      }
+
+      intentState.renderTasks.push(internalRenderTask);
+      var renderTask = internalRenderTask.task;
+      Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(function (_ref6) {
+        var _ref7 = _slicedToArray(_ref6, 2),
+            transparency = _ref7[0],
+            optionalContentConfig = _ref7[1];
+
+        if (_this5.pendingCleanup) {
+          complete();
+          return;
+        }
+
+        if (_this5._stats) {
+          _this5._stats.time("Rendering");
+        }
+
+        internalRenderTask.initializeGraphics({
+          transparency: transparency,
+          optionalContentConfig: optionalContentConfig
+        });
+        internalRenderTask.operatorListChanged();
+      })["catch"](complete);
+      return renderTask;
+    }
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList() {
+      function operatorListChanged() {
+        if (intentState.operatorList.lastChunk) {
+          intentState.opListReadCapability.resolve(intentState.operatorList);
+          var i = intentState.renderTasks.indexOf(opListTask);
+
+          if (i >= 0) {
+            intentState.renderTasks.splice(i, 1);
+          }
+        }
+      }
+
+      var renderingIntent = "oplist";
+
+      var intentState = this._intentStates.get(renderingIntent);
+
+      if (!intentState) {
+        intentState = Object.create(null);
+
+        this._intentStates.set(renderingIntent, intentState);
+      }
+
+      var opListTask;
+
+      if (!intentState.opListReadCapability) {
+        opListTask = Object.create(null);
+        opListTask.operatorListChanged = operatorListChanged;
+        intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+        intentState.renderTasks = [];
+        intentState.renderTasks.push(opListTask);
+        intentState.operatorList = {
+          fnArray: [],
+          argsArray: [],
+          lastChunk: false
+        };
+
+        if (this._stats) {
+          this._stats.time("Page Request");
+        }
+
+        this._pumpOperatorList({
+          pageIndex: this._pageIndex,
+          intent: renderingIntent
+        });
+      }
+
+      return intentState.opListReadCapability.promise;
+    }
+  }, {
+    key: "streamTextContent",
+    value: function streamTextContent() {
+      var _ref8 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref8$normalizeWhites = _ref8.normalizeWhitespace,
+          normalizeWhitespace = _ref8$normalizeWhites === void 0 ? false : _ref8$normalizeWhites,
+          _ref8$disableCombineT = _ref8.disableCombineTextItems,
+          disableCombineTextItems = _ref8$disableCombineT === void 0 ? false : _ref8$disableCombineT;
+
+      var TEXT_CONTENT_CHUNK_SIZE = 100;
+      return this._transport.messageHandler.sendWithStream("GetTextContent", {
+        pageIndex: this._pageIndex,
+        normalizeWhitespace: normalizeWhitespace === true,
+        combineTextItems: disableCombineTextItems !== true
+      }, {
+        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+        size: function size(textContent) {
+          return textContent.items.length;
+        }
+      });
+    }
+  }, {
+    key: "getTextContent",
+    value: function getTextContent() {
+      var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var readableStream = this.streamTextContent(params);
+      return new Promise(function (resolve, reject) {
+        function pump() {
+          reader.read().then(function (_ref9) {
+            var _textContent$items;
+
+            var value = _ref9.value,
+                done = _ref9.done;
+
+            if (done) {
+              resolve(textContent);
+              return;
+            }
+
+            Object.assign(textContent.styles, value.styles);
+
+            (_textContent$items = textContent.items).push.apply(_textContent$items, _toConsumableArray(value.items));
+
+            pump();
+          }, reject);
+        }
+
+        var reader = readableStream.getReader();
+        var textContent = {
+          items: [],
+          styles: Object.create(null)
+        };
+        pump();
+      });
+    }
+  }, {
+    key: "_destroy",
+    value: function _destroy() {
+      this.destroyed = true;
+      this._transport.pageCache[this._pageIndex] = null;
+      var waitOn = [];
+
+      var _iterator5 = _createForOfIteratorHelper(this._intentStates),
+          _step5;
+
+      try {
+        for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+          var _step5$value = _slicedToArray(_step5.value, 2),
+              intent = _step5$value[0],
+              intentState = _step5$value[1];
+
+          this._abortOperatorList({
+            intentState: intentState,
+            reason: new Error("Page was destroyed."),
+            force: true
+          });
+
+          if (intent === "oplist") {
+            continue;
+          }
+
+          var _iterator6 = _createForOfIteratorHelper(intentState.renderTasks),
+              _step6;
+
+          try {
+            for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+              var internalRenderTask = _step6.value;
+              waitOn.push(internalRenderTask.completed);
+              internalRenderTask.cancel();
+            }
+          } catch (err) {
+            _iterator6.e(err);
+          } finally {
+            _iterator6.f();
+          }
+        }
+      } catch (err) {
+        _iterator5.e(err);
+      } finally {
+        _iterator5.f();
+      }
+
+      this.objs.clear();
+      this.annotationsPromise = null;
+      this.pendingCleanup = false;
+      return Promise.all(waitOn);
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      this.pendingCleanup = true;
+      return this._tryCleanup(resetStats);
+    }
+  }, {
+    key: "_tryCleanup",
+    value: function _tryCleanup() {
+      var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (!this.pendingCleanup) {
+        return false;
+      }
+
+      var _iterator7 = _createForOfIteratorHelper(this._intentStates.values()),
+          _step7;
+
+      try {
+        for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+          var _step7$value = _step7.value,
+              renderTasks = _step7$value.renderTasks,
+              operatorList = _step7$value.operatorList;
+
+          if (renderTasks.length !== 0 || !operatorList.lastChunk) {
+            return false;
+          }
+        }
+      } catch (err) {
+        _iterator7.e(err);
+      } finally {
+        _iterator7.f();
+      }
+
+      this._intentStates.clear();
+
+      this.objs.clear();
+      this.annotationsPromise = null;
+
+      if (resetStats && this._stats) {
+        this._stats = new _display_utils.StatTimer();
+      }
+
+      this.pendingCleanup = false;
+      return true;
+    }
+  }, {
+    key: "_startRenderPage",
+    value: function _startRenderPage(transparency, intent) {
+      var intentState = this._intentStates.get(intent);
+
+      if (!intentState) {
+        return;
+      }
+
+      if (this._stats) {
+        this._stats.timeEnd("Page Request");
+      }
+
+      if (intentState.displayReadyCapability) {
+        intentState.displayReadyCapability.resolve(transparency);
+      }
+    }
+  }, {
+    key: "_renderPageChunk",
+    value: function _renderPageChunk(operatorListChunk, intentState) {
+      for (var i = 0, ii = operatorListChunk.length; i < ii; i++) {
+        intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+        intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
+      }
+
+      intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+
+      for (var _i2 = 0; _i2 < intentState.renderTasks.length; _i2++) {
+        intentState.renderTasks[_i2].operatorListChanged();
+      }
+
+      if (operatorListChunk.lastChunk) {
+        this._tryCleanup();
+      }
+    }
+  }, {
+    key: "_pumpOperatorList",
+    value: function _pumpOperatorList(args) {
+      var _this6 = this;
+
+      (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
+
+      var readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
+
+      var reader = readableStream.getReader();
+
+      var intentState = this._intentStates.get(args.intent);
+
+      intentState.streamReader = reader;
+
+      var pump = function pump() {
+        reader.read().then(function (_ref10) {
+          var value = _ref10.value,
+              done = _ref10.done;
+
+          if (done) {
+            intentState.streamReader = null;
+            return;
+          }
+
+          if (_this6._transport.destroyed) {
+            return;
+          }
+
+          _this6._renderPageChunk(value, intentState);
+
+          pump();
+        }, function (reason) {
+          intentState.streamReader = null;
+
+          if (_this6._transport.destroyed) {
+            return;
+          }
+
+          if (intentState.operatorList) {
+            intentState.operatorList.lastChunk = true;
+
+            for (var i = 0; i < intentState.renderTasks.length; i++) {
+              intentState.renderTasks[i].operatorListChanged();
+            }
+
+            _this6._tryCleanup();
+          }
+
+          if (intentState.displayReadyCapability) {
+            intentState.displayReadyCapability.reject(reason);
+          } else if (intentState.opListReadCapability) {
+            intentState.opListReadCapability.reject(reason);
+          } else {
+            throw reason;
+          }
+        });
+      };
+
+      pump();
+    }
+  }, {
+    key: "_abortOperatorList",
+    value: function _abortOperatorList(_ref11) {
+      var _this7 = this;
+
+      var intentState = _ref11.intentState,
+          reason = _ref11.reason,
+          _ref11$force = _ref11.force,
+          force = _ref11$force === void 0 ? false : _ref11$force;
+      (0, _util.assert)(reason instanceof Error || _typeof(reason) === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
+
+      if (!intentState.streamReader) {
+        return;
+      }
+
+      if (!force) {
+        if (intentState.renderTasks.length !== 0) {
+          return;
+        }
+
+        if (reason instanceof _display_utils.RenderingCancelledException) {
+          intentState.streamReaderCancelTimeout = setTimeout(function () {
+            _this7._abortOperatorList({
+              intentState: intentState,
+              reason: reason,
+              force: true
+            });
+
+            intentState.streamReaderCancelTimeout = null;
+          }, RENDERING_CANCELLED_TIMEOUT);
+          return;
+        }
+      }
+
+      intentState.streamReader.cancel(new _util.AbortException(reason && reason.message));
+      intentState.streamReader = null;
+
+      if (this._transport.destroyed) {
+        return;
+      }
+
+      var _iterator8 = _createForOfIteratorHelper(this._intentStates),
+          _step8;
+
+      try {
+        for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {
+          var _step8$value = _slicedToArray(_step8.value, 2),
+              intent = _step8$value[0],
+              curIntentState = _step8$value[1];
+
+          if (curIntentState === intentState) {
+            this._intentStates["delete"](intent);
+
+            break;
+          }
+        }
+      } catch (err) {
+        _iterator8.e(err);
+      } finally {
+        _iterator8.f();
+      }
+
+      this.cleanup();
+    }
+  }, {
+    key: "pageNumber",
+    get: function get() {
+      return this._pageIndex + 1;
+    }
+  }, {
+    key: "rotate",
+    get: function get() {
+      return this._pageInfo.rotate;
+    }
+  }, {
+    key: "ref",
+    get: function get() {
+      return this._pageInfo.ref;
+    }
+  }, {
+    key: "userUnit",
+    get: function get() {
+      return this._pageInfo.userUnit;
+    }
+  }, {
+    key: "view",
+    get: function get() {
+      return this._pageInfo.view;
+    }
+  }, {
+    key: "stats",
+    get: function get() {
+      return this._stats;
+    }
+  }]);
+
+  return PDFPageProxy;
+}();
+
+exports.PDFPageProxy = PDFPageProxy;
+
+var LoopbackPort = /*#__PURE__*/function () {
+  function LoopbackPort() {
+    var defer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+    _classCallCheck(this, LoopbackPort);
+
+    this._listeners = [];
+    this._defer = defer;
+    this._deferred = Promise.resolve(undefined);
+  }
+
+  _createClass(LoopbackPort, [{
+    key: "postMessage",
+    value: function postMessage(obj, transfers) {
+      var _this8 = this;
+
+      function cloneValue(value) {
+        if (_typeof(value) !== "object" || value === null) {
+          return value;
+        }
+
+        if (cloned.has(value)) {
+          return cloned.get(value);
+        }
+
+        var buffer, result;
+
+        if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
+          var transferable = transfers && transfers.includes(buffer);
+
+          if (transferable) {
+            result = new value.constructor(buffer, value.byteOffset, value.byteLength);
+          } else {
+            result = new value.constructor(value);
+          }
+
+          cloned.set(value, result);
+          return result;
+        }
+
+        result = Array.isArray(value) ? [] : {};
+        cloned.set(value, result);
+
+        for (var i in value) {
+          var desc = void 0,
+              p = value;
+
+          while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+            p = Object.getPrototypeOf(p);
+          }
+
+          if (typeof desc.value === "undefined") {
+            continue;
+          }
+
+          if (typeof desc.value === "function") {
+            if (value.hasOwnProperty && value.hasOwnProperty(i)) {
+              throw new Error("LoopbackPort.postMessage - cannot clone: ".concat(value[i]));
+            }
+
+            continue;
+          }
+
+          result[i] = cloneValue(desc.value);
+        }
+
+        return result;
+      }
+
+      if (!this._defer) {
+        this._listeners.forEach(function (listener) {
+          listener.call(_this8, {
+            data: obj
+          });
+        });
+
+        return;
+      }
+
+      var cloned = new WeakMap();
+      var e = {
+        data: cloneValue(obj)
+      };
+
+      this._deferred.then(function () {
+        _this8._listeners.forEach(function (listener) {
+          listener.call(_this8, e);
+        });
+      });
+    }
+  }, {
+    key: "addEventListener",
+    value: function addEventListener(name, listener) {
+      this._listeners.push(listener);
+    }
+  }, {
+    key: "removeEventListener",
+    value: function removeEventListener(name, listener) {
+      var i = this._listeners.indexOf(listener);
+
+      this._listeners.splice(i, 1);
+    }
+  }, {
+    key: "terminate",
+    value: function terminate() {
+      this._listeners.length = 0;
+    }
+  }]);
+
+  return LoopbackPort;
+}();
+
+exports.LoopbackPort = LoopbackPort;
+
+var PDFWorker = function PDFWorkerClosure() {
+  var pdfWorkerPorts = new WeakMap();
+  var isWorkerDisabled = false;
+  var fallbackWorkerSrc;
+  var nextFakeWorkerId = 0;
+  var fakeWorkerCapability;
+
+  if (_is_node.isNodeJS && typeof require === "function") {
+    isWorkerDisabled = true;
+    fallbackWorkerSrc = "./pdf.worker.js";
+  } else if ((typeof document === "undefined" ? "undefined" : _typeof(document)) === "object" && "currentScript" in document) {
+    var pdfjsFilePath = document.currentScript && document.currentScript.src;
+
+    if (pdfjsFilePath) {
+      fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
+    }
+  }
+
+  function _getWorkerSrc() {
+    if (_worker_options.GlobalWorkerOptions.workerSrc) {
+      return _worker_options.GlobalWorkerOptions.workerSrc;
+    }
+
+    if (typeof fallbackWorkerSrc !== "undefined") {
+      if (!_is_node.isNodeJS) {
+        (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
+      }
+
+      return fallbackWorkerSrc;
+    }
+
+    throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+  }
+
+  function getMainThreadWorkerMessageHandler() {
+    var mainWorkerMessageHandler;
+
+    try {
+      mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;
+    } catch (ex) {}
+
+    return mainWorkerMessageHandler || null;
+  }
+
+  function setupFakeWorkerGlobal() {
+    if (fakeWorkerCapability) {
+      return fakeWorkerCapability.promise;
+    }
+
+    fakeWorkerCapability = (0, _util.createPromiseCapability)();
+
+    var loader = /*#__PURE__*/function () {
+      var _ref12 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var mainWorkerMessageHandler, worker;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
+
+                if (!mainWorkerMessageHandler) {
+                  _context.next = 3;
+                  break;
+                }
+
+                return _context.abrupt("return", mainWorkerMessageHandler);
+
+              case 3:
+                if (!(_is_node.isNodeJS && typeof require === "function")) {
+                  _context.next = 6;
+                  break;
+                }
+
+                worker = eval("require")(_getWorkerSrc());
+                return _context.abrupt("return", worker.WorkerMessageHandler);
+
+              case 6:
+                _context.next = 8;
+                return (0, _display_utils.loadScript)(_getWorkerSrc());
+
+              case 8:
+                return _context.abrupt("return", window.pdfjsWorker.WorkerMessageHandler);
+
+              case 9:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }));
+
+      return function loader() {
+        return _ref12.apply(this, arguments);
+      };
+    }();
+
+    loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
+    return fakeWorkerCapability.promise;
+  }
+
+  function createCDNWrapper(url) {
+    var wrapper = "importScripts('" + url + "');";
+    return URL.createObjectURL(new Blob([wrapper]));
+  }
+
+  var PDFWorker = /*#__PURE__*/function () {
+    function PDFWorker() {
+      var _ref13 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref13$name = _ref13.name,
+          name = _ref13$name === void 0 ? null : _ref13$name,
+          _ref13$port = _ref13.port,
+          port = _ref13$port === void 0 ? null : _ref13$port,
+          _ref13$verbosity = _ref13.verbosity,
+          verbosity = _ref13$verbosity === void 0 ? (0, _util.getVerbosityLevel)() : _ref13$verbosity;
+
+      _classCallCheck(this, PDFWorker);
+
+      if (port && pdfWorkerPorts.has(port)) {
+        throw new Error("Cannot use more than one PDFWorker per port");
+      }
+
+      this.name = name;
+      this.destroyed = false;
+      this.postMessageTransfers = true;
+      this.verbosity = verbosity;
+      this._readyCapability = (0, _util.createPromiseCapability)();
+      this._port = null;
+      this._webWorker = null;
+      this._messageHandler = null;
+
+      if (port) {
+        pdfWorkerPorts.set(port, this);
+
+        this._initializeFromPort(port);
+
+        return;
+      }
+
+      this._initialize();
+    }
+
+    _createClass(PDFWorker, [{
+      key: "_initializeFromPort",
+      value: function _initializeFromPort(port) {
+        this._port = port;
+        this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
+
+        this._messageHandler.on("ready", function () {});
+
+        this._readyCapability.resolve();
+      }
+    }, {
+      key: "_initialize",
+      value: function _initialize() {
+        var _this9 = this;
+
+        if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
+          var workerSrc = _getWorkerSrc();
+
+          try {
+            if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
+              workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
+            }
+
+            var worker = new Worker(workerSrc);
+            var messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
+
+            var terminateEarly = function terminateEarly() {
+              worker.removeEventListener("error", onWorkerError);
+              messageHandler.destroy();
+              worker.terminate();
+
+              if (_this9.destroyed) {
+                _this9._readyCapability.reject(new Error("Worker was destroyed"));
+              } else {
+                _this9._setupFakeWorker();
+              }
+            };
+
+            var onWorkerError = function onWorkerError() {
+              if (!_this9._webWorker) {
+                terminateEarly();
+              }
+            };
+
+            worker.addEventListener("error", onWorkerError);
+            messageHandler.on("test", function (data) {
+              worker.removeEventListener("error", onWorkerError);
+
+              if (_this9.destroyed) {
+                terminateEarly();
+                return;
+              }
+
+              if (data) {
+                _this9._messageHandler = messageHandler;
+                _this9._port = worker;
+                _this9._webWorker = worker;
+
+                if (!data.supportTransfers) {
+                  _this9.postMessageTransfers = false;
+                }
+
+                _this9._readyCapability.resolve();
+
+                messageHandler.send("configure", {
+                  verbosity: _this9.verbosity
+                });
+              } else {
+                _this9._setupFakeWorker();
+
+                messageHandler.destroy();
+                worker.terminate();
+              }
+            });
+            messageHandler.on("ready", function (data) {
+              worker.removeEventListener("error", onWorkerError);
+
+              if (_this9.destroyed) {
+                terminateEarly();
+                return;
+              }
+
+              try {
+                sendTest();
+              } catch (e) {
+                _this9._setupFakeWorker();
+              }
+            });
+
+            var sendTest = function sendTest() {
+              var testObj = new Uint8Array([_this9.postMessageTransfers ? 255 : 0]);
+
+              try {
+                messageHandler.send("test", testObj, [testObj.buffer]);
+              } catch (ex) {
+                (0, _util.warn)("Cannot use postMessage transfers.");
+                testObj[0] = 0;
+                messageHandler.send("test", testObj);
+              }
+            };
+
+            sendTest();
+            return;
+          } catch (e) {
+            (0, _util.info)("The worker has been disabled.");
+          }
+        }
+
+        this._setupFakeWorker();
+      }
+    }, {
+      key: "_setupFakeWorker",
+      value: function _setupFakeWorker() {
+        var _this10 = this;
+
+        if (!isWorkerDisabled) {
+          (0, _util.warn)("Setting up fake worker.");
+          isWorkerDisabled = true;
+        }
+
+        setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
+          if (_this10.destroyed) {
+            _this10._readyCapability.reject(new Error("Worker was destroyed"));
+
+            return;
+          }
+
+          var port = new LoopbackPort();
+          _this10._port = port;
+          var id = "fake" + nextFakeWorkerId++;
+          var workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
+          WorkerMessageHandler.setup(workerHandler, port);
+          var messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
+          _this10._messageHandler = messageHandler;
+
+          _this10._readyCapability.resolve();
+
+          messageHandler.send("configure", {
+            verbosity: _this10.verbosity
+          });
+        })["catch"](function (reason) {
+          _this10._readyCapability.reject(new Error("Setting up fake worker failed: \"".concat(reason.message, "\".")));
+        });
+      }
+    }, {
+      key: "destroy",
+      value: function destroy() {
+        this.destroyed = true;
+
+        if (this._webWorker) {
+          this._webWorker.terminate();
+
+          this._webWorker = null;
+        }
+
+        pdfWorkerPorts["delete"](this._port);
+        this._port = null;
+
+        if (this._messageHandler) {
+          this._messageHandler.destroy();
+
+          this._messageHandler = null;
+        }
+      }
+    }, {
+      key: "promise",
+      get: function get() {
+        return this._readyCapability.promise;
+      }
+    }, {
+      key: "port",
+      get: function get() {
+        return this._port;
+      }
+    }, {
+      key: "messageHandler",
+      get: function get() {
+        return this._messageHandler;
+      }
+    }], [{
+      key: "fromPort",
+      value: function fromPort(params) {
+        if (!params || !params.port) {
+          throw new Error("PDFWorker.fromPort - invalid method signature.");
+        }
+
+        if (pdfWorkerPorts.has(params.port)) {
+          return pdfWorkerPorts.get(params.port);
+        }
+
+        return new PDFWorker(params);
+      }
+    }, {
+      key: "getWorkerSrc",
+      value: function getWorkerSrc() {
+        return _getWorkerSrc();
+      }
+    }]);
+
+    return PDFWorker;
+  }();
+
+  return PDFWorker;
+}();
+
+exports.PDFWorker = PDFWorker;
+
+var WorkerTransport = /*#__PURE__*/function () {
+  function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
+    _classCallCheck(this, WorkerTransport);
+
+    this.messageHandler = messageHandler;
+    this.loadingTask = loadingTask;
+    this.commonObjs = new PDFObjects();
+    this.fontLoader = new _font_loader.FontLoader({
+      docId: loadingTask.docId,
+      onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+      ownerDocument: params.ownerDocument
+    });
+    this._params = params;
+    this.CMapReaderFactory = new params.CMapReaderFactory({
+      baseUrl: params.cMapUrl,
+      isCompressed: params.cMapPacked
+    });
+    this.destroyed = false;
+    this.destroyCapability = null;
+    this._passwordCapability = null;
+    this._networkStream = networkStream;
+    this._fullReader = null;
+    this._lastProgress = null;
+    this.pageCache = [];
+    this.pagePromises = [];
+    this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+    this.setupMessageHandler();
+  }
+
+  _createClass(WorkerTransport, [{
+    key: "destroy",
+    value: function destroy() {
+      var _this11 = this;
+
+      if (this.destroyCapability) {
+        return this.destroyCapability.promise;
+      }
+
+      this.destroyed = true;
+      this.destroyCapability = (0, _util.createPromiseCapability)();
+
+      if (this._passwordCapability) {
+        this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
+      }
+
+      var waitOn = [];
+      this.pageCache.forEach(function (page) {
+        if (page) {
+          waitOn.push(page._destroy());
+        }
+      });
+      this.pageCache.length = 0;
+      this.pagePromises.length = 0;
+      var terminated = this.messageHandler.sendWithPromise("Terminate", null);
+      waitOn.push(terminated);
+      Promise.all(waitOn).then(function () {
+        _this11.fontLoader.clear();
+
+        if (_this11._networkStream) {
+          _this11._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
+        }
+
+        if (_this11.messageHandler) {
+          _this11.messageHandler.destroy();
+
+          _this11.messageHandler = null;
+        }
+
+        _this11.destroyCapability.resolve();
+      }, this.destroyCapability.reject);
+      return this.destroyCapability.promise;
+    }
+  }, {
+    key: "setupMessageHandler",
+    value: function setupMessageHandler() {
+      var _this12 = this;
+
+      var messageHandler = this.messageHandler,
+          loadingTask = this.loadingTask;
+      messageHandler.on("GetReader", function (data, sink) {
+        (0, _util.assert)(_this12._networkStream, "GetReader - no `IPDFStream` instance available.");
+        _this12._fullReader = _this12._networkStream.getFullReader();
+
+        _this12._fullReader.onProgress = function (evt) {
+          _this12._lastProgress = {
+            loaded: evt.loaded,
+            total: evt.total
+          };
+        };
+
+        sink.onPull = function () {
+          _this12._fullReader.read().then(function (_ref14) {
+            var value = _ref14.value,
+                done = _ref14.done;
+
+            if (done) {
+              sink.close();
+              return;
+            }
+
+            (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
+            sink.enqueue(new Uint8Array(value), 1, [value]);
+          })["catch"](function (reason) {
+            sink.error(reason);
+          });
+        };
+
+        sink.onCancel = function (reason) {
+          _this12._fullReader.cancel(reason);
+
+          sink.ready["catch"](function (readyReason) {
+            if (_this12.destroyed) {
+              return;
+            }
+
+            throw readyReason;
+          });
+        };
+      });
+      messageHandler.on("ReaderHeadersReady", function (data) {
+        var headersCapability = (0, _util.createPromiseCapability)();
+        var fullReader = _this12._fullReader;
+        fullReader.headersReady.then(function () {
+          if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+            if (_this12._lastProgress && loadingTask.onProgress) {
+              loadingTask.onProgress(_this12._lastProgress);
+            }
+
+            fullReader.onProgress = function (evt) {
+              if (loadingTask.onProgress) {
+                loadingTask.onProgress({
+                  loaded: evt.loaded,
+                  total: evt.total
+                });
+              }
+            };
+          }
+
+          headersCapability.resolve({
+            isStreamingSupported: fullReader.isStreamingSupported,
+            isRangeSupported: fullReader.isRangeSupported,
+            contentLength: fullReader.contentLength
+          });
+        }, headersCapability.reject);
+        return headersCapability.promise;
+      });
+      messageHandler.on("GetRangeReader", function (data, sink) {
+        (0, _util.assert)(_this12._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
+
+        var rangeReader = _this12._networkStream.getRangeReader(data.begin, data.end);
+
+        if (!rangeReader) {
+          sink.close();
+          return;
+        }
+
+        sink.onPull = function () {
+          rangeReader.read().then(function (_ref15) {
+            var value = _ref15.value,
+                done = _ref15.done;
+
+            if (done) {
+              sink.close();
+              return;
+            }
+
+            (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
+            sink.enqueue(new Uint8Array(value), 1, [value]);
+          })["catch"](function (reason) {
+            sink.error(reason);
+          });
+        };
+
+        sink.onCancel = function (reason) {
+          rangeReader.cancel(reason);
+          sink.ready["catch"](function (readyReason) {
+            if (_this12.destroyed) {
+              return;
+            }
+
+            throw readyReason;
+          });
+        };
+      });
+      messageHandler.on("GetDoc", function (_ref16) {
+        var pdfInfo = _ref16.pdfInfo;
+        _this12._numPages = pdfInfo.numPages;
+
+        loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, _this12));
+      });
+      messageHandler.on("DocException", function (ex) {
+        var reason;
+
+        switch (ex.name) {
+          case "PasswordException":
+            reason = new _util.PasswordException(ex.message, ex.code);
+            break;
+
+          case "InvalidPDFException":
+            reason = new _util.InvalidPDFException(ex.message);
+            break;
+
+          case "MissingPDFException":
+            reason = new _util.MissingPDFException(ex.message);
+            break;
+
+          case "UnexpectedResponseException":
+            reason = new _util.UnexpectedResponseException(ex.message, ex.status);
+            break;
+
+          case "UnknownErrorException":
+            reason = new _util.UnknownErrorException(ex.message, ex.details);
+            break;
+        }
+
+        if (!(reason instanceof Error)) {
+          var msg = "DocException - expected a valid Error.";
+          (0, _util.warn)(msg);
+        }
+
+        loadingTask._capability.reject(reason);
+      });
+      messageHandler.on("PasswordRequest", function (exception) {
+        _this12._passwordCapability = (0, _util.createPromiseCapability)();
+
+        if (loadingTask.onPassword) {
+          var updatePassword = function updatePassword(password) {
+            _this12._passwordCapability.resolve({
+              password: password
+            });
+          };
+
+          try {
+            loadingTask.onPassword(updatePassword, exception.code);
+          } catch (ex) {
+            _this12._passwordCapability.reject(ex);
+          }
+        } else {
+          _this12._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+        }
+
+        return _this12._passwordCapability.promise;
+      });
+      messageHandler.on("DataLoaded", function (data) {
+        if (loadingTask.onProgress) {
+          loadingTask.onProgress({
+            loaded: data.length,
+            total: data.length
+          });
+        }
+
+        _this12.downloadInfoCapability.resolve(data);
+      });
+      messageHandler.on("StartRenderPage", function (data) {
+        if (_this12.destroyed) {
+          return;
+        }
+
+        var page = _this12.pageCache[data.pageIndex];
+
+        page._startRenderPage(data.transparency, data.intent);
+      });
+      messageHandler.on("commonobj", function (data) {
+        if (_this12.destroyed) {
+          return;
+        }
+
+        var _data = _slicedToArray(data, 3),
+            id = _data[0],
+            type = _data[1],
+            exportedData = _data[2];
+
+        if (_this12.commonObjs.has(id)) {
+          return;
+        }
+
+        switch (type) {
+          case "Font":
+            var params = _this12._params;
+
+            if ("error" in exportedData) {
+              var exportedError = exportedData.error;
+              (0, _util.warn)("Error during font loading: ".concat(exportedError));
+
+              _this12.commonObjs.resolve(id, exportedError);
+
+              break;
+            }
+
+            var fontRegistry = null;
+
+            if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) {
+              fontRegistry = {
+                registerFont: function registerFont(font, url) {
+                  globalThis.FontInspector.fontAdded(font, url);
+                }
+              };
+            }
+
+            var font = new _font_loader.FontFaceObject(exportedData, {
+              isEvalSupported: params.isEvalSupported,
+              disableFontFace: params.disableFontFace,
+              ignoreErrors: params.ignoreErrors,
+              onUnsupportedFeature: _this12._onUnsupportedFeature.bind(_this12),
+              fontRegistry: fontRegistry
+            });
+
+            _this12.fontLoader.bind(font)["catch"](function (reason) {
+              return messageHandler.sendWithPromise("FontFallback", {
+                id: id
+              });
+            })["finally"](function () {
+              if (!params.fontExtraProperties && font.data) {
+                font.data = null;
+              }
+
+              _this12.commonObjs.resolve(id, font);
+            });
+
+            break;
+
+          case "FontPath":
+          case "Image":
+            _this12.commonObjs.resolve(id, exportedData);
+
+            break;
+
+          default:
+            throw new Error("Got unknown common object type ".concat(type));
+        }
+      });
+      messageHandler.on("obj", function (data) {
+        if (_this12.destroyed) {
+          return undefined;
+        }
+
+        var _data2 = _slicedToArray(data, 4),
+            id = _data2[0],
+            pageIndex = _data2[1],
+            type = _data2[2],
+            imageData = _data2[3];
+
+        var pageProxy = _this12.pageCache[pageIndex];
+
+        if (pageProxy.objs.has(id)) {
+          return undefined;
+        }
+
+        switch (type) {
+          case "Image":
+            pageProxy.objs.resolve(id, imageData);
+            var MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+            if (imageData && "data" in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
+              pageProxy.cleanupAfterRender = true;
+            }
+
+            break;
+
+          default:
+            throw new Error("Got unknown object type ".concat(type));
+        }
+
+        return undefined;
+      });
+      messageHandler.on("DocProgress", function (data) {
+        if (_this12.destroyed) {
+          return;
+        }
+
+        if (loadingTask.onProgress) {
+          loadingTask.onProgress({
+            loaded: data.loaded,
+            total: data.total
+          });
+        }
+      });
+      messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
+      messageHandler.on("FetchBuiltInCMap", function (data, sink) {
+        if (_this12.destroyed) {
+          sink.error(new Error("Worker was destroyed"));
+          return;
+        }
+
+        var fetched = false;
+
+        sink.onPull = function () {
+          if (fetched) {
+            sink.close();
+            return;
+          }
+
+          fetched = true;
+
+          _this12.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
+            sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
+          })["catch"](function (reason) {
+            sink.error(reason);
+          });
+        };
+      });
+    }
+  }, {
+    key: "_onUnsupportedFeature",
+    value: function _onUnsupportedFeature(_ref17) {
+      var featureId = _ref17.featureId;
+
+      if (this.destroyed) {
+        return;
+      }
+
+      if (this.loadingTask.onUnsupportedFeature) {
+        this.loadingTask.onUnsupportedFeature(featureId);
+      }
+    }
+  }, {
+    key: "getData",
+    value: function getData() {
+      return this.messageHandler.sendWithPromise("GetData", null);
+    }
+  }, {
+    key: "getPage",
+    value: function getPage(pageNumber) {
+      var _this13 = this;
+
+      if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+        return Promise.reject(new Error("Invalid page request"));
+      }
+
+      var pageIndex = pageNumber - 1;
+
+      if (pageIndex in this.pagePromises) {
+        return this.pagePromises[pageIndex];
+      }
+
+      var promise = this.messageHandler.sendWithPromise("GetPage", {
+        pageIndex: pageIndex
+      }).then(function (pageInfo) {
+        if (_this13.destroyed) {
+          throw new Error("Transport destroyed");
+        }
+
+        var page = new PDFPageProxy(pageIndex, pageInfo, _this13, _this13._params.ownerDocument, _this13._params.pdfBug);
+        _this13.pageCache[pageIndex] = page;
+        return page;
+      });
+      this.pagePromises[pageIndex] = promise;
+      return promise;
+    }
+  }, {
+    key: "getPageIndex",
+    value: function getPageIndex(ref) {
+      return this.messageHandler.sendWithPromise("GetPageIndex", {
+        ref: ref
+      })["catch"](function (reason) {
+        return Promise.reject(new Error(reason));
+      });
+    }
+  }, {
+    key: "getAnnotations",
+    value: function getAnnotations(pageIndex, intent) {
+      return this.messageHandler.sendWithPromise("GetAnnotations", {
+        pageIndex: pageIndex,
+        intent: intent
+      });
+    }
+  }, {
+    key: "saveDocument",
+    value: function saveDocument(annotationStorage) {
+      return this.messageHandler.sendWithPromise("SaveDocument", {
+        numPages: this._numPages,
+        annotationStorage: annotationStorage && annotationStorage.getAll() || null,
+        filename: this._fullReader ? this._fullReader.filename : null
+      })["finally"](function () {
+        if (annotationStorage) {
+          annotationStorage.resetModified();
+        }
+      });
+    }
+  }, {
+    key: "getDestinations",
+    value: function getDestinations() {
+      return this.messageHandler.sendWithPromise("GetDestinations", null);
+    }
+  }, {
+    key: "getDestination",
+    value: function getDestination(id) {
+      if (typeof id !== "string") {
+        return Promise.reject(new Error("Invalid destination request."));
+      }
+
+      return this.messageHandler.sendWithPromise("GetDestination", {
+        id: id
+      });
+    }
+  }, {
+    key: "getPageLabels",
+    value: function getPageLabels() {
+      return this.messageHandler.sendWithPromise("GetPageLabels", null);
+    }
+  }, {
+    key: "getPageLayout",
+    value: function getPageLayout() {
+      return this.messageHandler.sendWithPromise("GetPageLayout", null);
+    }
+  }, {
+    key: "getPageMode",
+    value: function getPageMode() {
+      return this.messageHandler.sendWithPromise("GetPageMode", null);
+    }
+  }, {
+    key: "getViewerPreferences",
+    value: function getViewerPreferences() {
+      return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
+    }
+  }, {
+    key: "getOpenAction",
+    value: function getOpenAction() {
+      return this.messageHandler.sendWithPromise("GetOpenAction", null);
+    }
+  }, {
+    key: "getAttachments",
+    value: function getAttachments() {
+      return this.messageHandler.sendWithPromise("GetAttachments", null);
+    }
+  }, {
+    key: "getJavaScript",
+    value: function getJavaScript() {
+      return this.messageHandler.sendWithPromise("GetJavaScript", null);
+    }
+  }, {
+    key: "getOutline",
+    value: function getOutline() {
+      return this.messageHandler.sendWithPromise("GetOutline", null);
+    }
+  }, {
+    key: "getOptionalContentConfig",
+    value: function getOptionalContentConfig() {
+      return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(function (results) {
+        return new _optional_content_config.OptionalContentConfig(results);
+      });
+    }
+  }, {
+    key: "getPermissions",
+    value: function getPermissions() {
+      return this.messageHandler.sendWithPromise("GetPermissions", null);
+    }
+  }, {
+    key: "getMetadata",
+    value: function getMetadata() {
+      var _this14 = this;
+
+      return this.messageHandler.sendWithPromise("GetMetadata", null).then(function (results) {
+        return {
+          info: results[0],
+          metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+          contentDispositionFilename: _this14._fullReader ? _this14._fullReader.filename : null
+        };
+      });
+    }
+  }, {
+    key: "getStats",
+    value: function getStats() {
+      return this.messageHandler.sendWithPromise("GetStats", null);
+    }
+  }, {
+    key: "startCleanup",
+    value: function startCleanup() {
+      var _this15 = this;
+
+      return this.messageHandler.sendWithPromise("Cleanup", null).then(function () {
+        for (var i = 0, ii = _this15.pageCache.length; i < ii; i++) {
+          var page = _this15.pageCache[i];
+
+          if (page) {
+            var cleanupSuccessful = page.cleanup();
+
+            if (!cleanupSuccessful) {
+              throw new Error("startCleanup: Page ".concat(i + 1, " is currently rendering."));
+            }
+          }
+        }
+
+        _this15.commonObjs.clear();
+
+        _this15.fontLoader.clear();
+      });
+    }
+  }, {
+    key: "loadingParams",
+    get: function get() {
+      var params = this._params;
+      return (0, _util.shadow)(this, "loadingParams", {
+        disableAutoFetch: params.disableAutoFetch,
+        disableFontFace: params.disableFontFace
+      });
+    }
+  }]);
+
+  return WorkerTransport;
+}();
+
+var PDFObjects = /*#__PURE__*/function () {
+  function PDFObjects() {
+    _classCallCheck(this, PDFObjects);
+
+    this._objs = Object.create(null);
+  }
+
+  _createClass(PDFObjects, [{
+    key: "_ensureObj",
+    value: function _ensureObj(objId) {
+      if (this._objs[objId]) {
+        return this._objs[objId];
+      }
+
+      return this._objs[objId] = {
+        capability: (0, _util.createPromiseCapability)(),
+        data: null,
+        resolved: false
+      };
+    }
+  }, {
+    key: "get",
+    value: function get(objId) {
+      var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+
+      if (callback) {
+        this._ensureObj(objId).capability.promise.then(callback);
+
+        return null;
+      }
+
+      var obj = this._objs[objId];
+
+      if (!obj || !obj.resolved) {
+        throw new Error("Requesting object that isn't resolved yet ".concat(objId, "."));
+      }
+
+      return obj.data;
+    }
+  }, {
+    key: "has",
+    value: function has(objId) {
+      var obj = this._objs[objId];
+      return obj ? obj.resolved : false;
+    }
+  }, {
+    key: "resolve",
+    value: function resolve(objId, data) {
+      var obj = this._ensureObj(objId);
+
+      obj.resolved = true;
+      obj.data = data;
+      obj.capability.resolve(data);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      this._objs = Object.create(null);
+    }
+  }]);
+
+  return PDFObjects;
+}();
+
+var RenderTask = /*#__PURE__*/function () {
+  function RenderTask(internalRenderTask) {
+    _classCallCheck(this, RenderTask);
+
+    this._internalRenderTask = internalRenderTask;
+    this.onContinue = null;
+  }
+
+  _createClass(RenderTask, [{
+    key: "cancel",
+    value: function cancel() {
+      this._internalRenderTask.cancel();
+    }
+  }, {
+    key: "promise",
+    get: function get() {
+      return this._internalRenderTask.capability.promise;
+    }
+  }]);
+
+  return RenderTask;
+}();
+
+var InternalRenderTask = function InternalRenderTaskClosure() {
+  var canvasInRendering = new WeakSet();
+
+  var InternalRenderTask = /*#__PURE__*/function () {
+    function InternalRenderTask(_ref18) {
+      var callback = _ref18.callback,
+          params = _ref18.params,
+          objs = _ref18.objs,
+          commonObjs = _ref18.commonObjs,
+          operatorList = _ref18.operatorList,
+          pageIndex = _ref18.pageIndex,
+          canvasFactory = _ref18.canvasFactory,
+          webGLContext = _ref18.webGLContext,
+          _ref18$useRequestAnim = _ref18.useRequestAnimationFrame,
+          useRequestAnimationFrame = _ref18$useRequestAnim === void 0 ? false : _ref18$useRequestAnim,
+          _ref18$pdfBug = _ref18.pdfBug,
+          pdfBug = _ref18$pdfBug === void 0 ? false : _ref18$pdfBug;
+
+      _classCallCheck(this, InternalRenderTask);
+
+      this.callback = callback;
+      this.params = params;
+      this.objs = objs;
+      this.commonObjs = commonObjs;
+      this.operatorListIdx = null;
+      this.operatorList = operatorList;
+      this._pageIndex = pageIndex;
+      this.canvasFactory = canvasFactory;
+      this.webGLContext = webGLContext;
+      this._pdfBug = pdfBug;
+      this.running = false;
+      this.graphicsReadyCallback = null;
+      this.graphicsReady = false;
+      this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
+      this.cancelled = false;
+      this.capability = (0, _util.createPromiseCapability)();
+      this.task = new RenderTask(this);
+      this._continueBound = this._continue.bind(this);
+      this._scheduleNextBound = this._scheduleNext.bind(this);
+      this._nextBound = this._next.bind(this);
+      this._canvas = params.canvasContext.canvas;
+    }
+
+    _createClass(InternalRenderTask, [{
+      key: "initializeGraphics",
+      value: function initializeGraphics(_ref19) {
+        var _ref19$transparency = _ref19.transparency,
+            transparency = _ref19$transparency === void 0 ? false : _ref19$transparency,
+            optionalContentConfig = _ref19.optionalContentConfig;
+
+        if (this.cancelled) {
+          return;
+        }
+
+        if (this._canvas) {
+          if (canvasInRendering.has(this._canvas)) {
+            throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
+          }
+
+          canvasInRendering.add(this._canvas);
+        }
+
+        if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) {
+          this.stepper = globalThis.StepperManager.create(this._pageIndex);
+          this.stepper.init(this.operatorList);
+          this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+        }
+
+        var _this$params = this.params,
+            canvasContext = _this$params.canvasContext,
+            viewport = _this$params.viewport,
+            transform = _this$params.transform,
+            imageLayer = _this$params.imageLayer,
+            background = _this$params.background;
+        this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer, optionalContentConfig);
+        this.gfx.beginDrawing({
+          transform: transform,
+          viewport: viewport,
+          transparency: transparency,
+          background: background
+        });
+        this.operatorListIdx = 0;
+        this.graphicsReady = true;
+
+        if (this.graphicsReadyCallback) {
+          this.graphicsReadyCallback();
+        }
+      }
+    }, {
+      key: "cancel",
+      value: function cancel() {
+        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+        this.running = false;
+        this.cancelled = true;
+
+        if (this.gfx) {
+          this.gfx.endDrawing();
+        }
+
+        if (this._canvas) {
+          canvasInRendering["delete"](this._canvas);
+        }
+
+        this.callback(error || new _display_utils.RenderingCancelledException("Rendering cancelled, page ".concat(this._pageIndex + 1), "canvas"));
+      }
+    }, {
+      key: "operatorListChanged",
+      value: function operatorListChanged() {
+        if (!this.graphicsReady) {
+          if (!this.graphicsReadyCallback) {
+            this.graphicsReadyCallback = this._continueBound;
+          }
+
+          return;
+        }
+
+        if (this.stepper) {
+          this.stepper.updateOperatorList(this.operatorList);
+        }
+
+        if (this.running) {
+          return;
+        }
+
+        this._continue();
+      }
+    }, {
+      key: "_continue",
+      value: function _continue() {
+        this.running = true;
+
+        if (this.cancelled) {
+          return;
+        }
+
+        if (this.task.onContinue) {
+          this.task.onContinue(this._scheduleNextBound);
+        } else {
+          this._scheduleNext();
+        }
+      }
+    }, {
+      key: "_scheduleNext",
+      value: function _scheduleNext() {
+        var _this16 = this;
+
+        if (this._useRequestAnimationFrame) {
+          window.requestAnimationFrame(function () {
+            _this16._nextBound()["catch"](_this16.cancel.bind(_this16));
+          });
+        } else {
+          Promise.resolve().then(this._nextBound)["catch"](this.cancel.bind(this));
+        }
+      }
+    }, {
+      key: "_next",
+      value: function () {
+        var _next2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+          return _regenerator["default"].wrap(function _callee2$(_context2) {
+            while (1) {
+              switch (_context2.prev = _context2.next) {
+                case 0:
+                  if (!this.cancelled) {
+                    _context2.next = 2;
+                    break;
+                  }
+
+                  return _context2.abrupt("return");
+
+                case 2:
+                  this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
+
+                  if (this.operatorListIdx === this.operatorList.argsArray.length) {
+                    this.running = false;
+
+                    if (this.operatorList.lastChunk) {
+                      this.gfx.endDrawing();
+
+                      if (this._canvas) {
+                        canvasInRendering["delete"](this._canvas);
+                      }
+
+                      this.callback();
+                    }
+                  }
+
+                case 4:
+                case "end":
+                  return _context2.stop();
+              }
+            }
+          }, _callee2, this);
+        }));
+
+        function _next() {
+          return _next2.apply(this, arguments);
+        }
+
+        return _next;
+      }()
+    }, {
+      key: "completed",
+      get: function get() {
+        return this.capability.promise["catch"](function () {});
+      }
+    }]);
+
+    return InternalRenderTask;
+  }();
+
+  return InternalRenderTask;
+}();
+
+var version = '2.6.347';
+exports.version = version;
+var build = '3be9c65f';
+exports.build = build;
+
+/***/ }),
+/* 203 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontLoader = exports.FontFaceObject = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var BaseFontLoader = /*#__PURE__*/function () {
+  function BaseFontLoader(_ref) {
+    var docId = _ref.docId,
+        onUnsupportedFeature = _ref.onUnsupportedFeature,
+        _ref$ownerDocument = _ref.ownerDocument,
+        ownerDocument = _ref$ownerDocument === void 0 ? globalThis.document : _ref$ownerDocument;
+
+    _classCallCheck(this, BaseFontLoader);
+
+    if (this.constructor === BaseFontLoader) {
+      (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
+    }
+
+    this.docId = docId;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this._document = ownerDocument;
+    this.nativeFontFaces = [];
+    this.styleElement = null;
+  }
+
+  _createClass(BaseFontLoader, [{
+    key: "addNativeFontFace",
+    value: function addNativeFontFace(nativeFontFace) {
+      this.nativeFontFaces.push(nativeFontFace);
+
+      this._document.fonts.add(nativeFontFace);
+    }
+  }, {
+    key: "insertRule",
+    value: function insertRule(rule) {
+      var styleElement = this.styleElement;
+
+      if (!styleElement) {
+        styleElement = this.styleElement = this._document.createElement("style");
+        styleElement.id = "PDFJS_FONT_STYLE_TAG_".concat(this.docId);
+
+        this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
+      }
+
+      var styleSheet = styleElement.sheet;
+      styleSheet.insertRule(rule, styleSheet.cssRules.length);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      var _this = this;
+
+      this.nativeFontFaces.forEach(function (nativeFontFace) {
+        _this._document.fonts["delete"](nativeFontFace);
+      });
+      this.nativeFontFaces.length = 0;
+
+      if (this.styleElement) {
+        this.styleElement.remove();
+        this.styleElement = null;
+      }
+    }
+  }, {
+    key: "bind",
+    value: function () {
+      var _bind = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(font) {
+        var _this2 = this;
+
+        var nativeFontFace, rule;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!(font.attached || font.missingFile)) {
+                  _context.next = 2;
+                  break;
+                }
+
+                return _context.abrupt("return");
+
+              case 2:
+                font.attached = true;
+
+                if (!this.isFontLoadingAPISupported) {
+                  _context.next = 19;
+                  break;
+                }
+
+                nativeFontFace = font.createNativeFontFace();
+
+                if (!nativeFontFace) {
+                  _context.next = 18;
+                  break;
+                }
+
+                this.addNativeFontFace(nativeFontFace);
+                _context.prev = 7;
+                _context.next = 10;
+                return nativeFontFace.loaded;
+
+              case 10:
+                _context.next = 18;
+                break;
+
+              case 12:
+                _context.prev = 12;
+                _context.t0 = _context["catch"](7);
+
+                this._onUnsupportedFeature({
+                  featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
+                });
+
+                (0, _util.warn)("Failed to load font '".concat(nativeFontFace.family, "': '").concat(_context.t0, "'."));
+                font.disableFontFace = true;
+                throw _context.t0;
+
+              case 18:
+                return _context.abrupt("return");
+
+              case 19:
+                rule = font.createFontFaceRule();
+
+                if (!rule) {
+                  _context.next = 26;
+                  break;
+                }
+
+                this.insertRule(rule);
+
+                if (!this.isSyncFontLoadingSupported) {
+                  _context.next = 24;
+                  break;
+                }
+
+                return _context.abrupt("return");
+
+              case 24:
+                _context.next = 26;
+                return new Promise(function (resolve) {
+                  var request = _this2._queueLoadingCallback(resolve);
+
+                  _this2._prepareFontLoadEvent([rule], [font], request);
+                });
+
+              case 26:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this, [[7, 12]]);
+      }));
+
+      function bind(_x) {
+        return _bind.apply(this, arguments);
+      }
+
+      return bind;
+    }()
+  }, {
+    key: "_queueLoadingCallback",
+    value: function _queueLoadingCallback(callback) {
+      (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
+    }
+  }, {
+    key: "_prepareFontLoadEvent",
+    value: function _prepareFontLoadEvent(rules, fontsToLoad, request) {
+      (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
+    }
+  }, {
+    key: "isFontLoadingAPISupported",
+    get: function get() {
+      var supported = typeof this._document !== "undefined" && !!this._document.fonts;
+      return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported);
+    }
+  }, {
+    key: "isSyncFontLoadingSupported",
+    get: function get() {
+      (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
+    }
+  }, {
+    key: "_loadTestFont",
+    get: function get() {
+      (0, _util.unreachable)("Abstract method `_loadTestFont`.");
+    }
+  }]);
+
+  return BaseFontLoader;
+}();
+
+var FontLoader;
+exports.FontLoader = FontLoader;
+{
+  exports.FontLoader = FontLoader = /*#__PURE__*/function (_BaseFontLoader) {
+    _inherits(GenericFontLoader, _BaseFontLoader);
+
+    var _super = _createSuper(GenericFontLoader);
+
+    function GenericFontLoader(params) {
+      var _this3;
+
+      _classCallCheck(this, GenericFontLoader);
+
+      _this3 = _super.call(this, params);
+      _this3.loadingContext = {
+        requests: [],
+        nextRequestId: 0
+      };
+      _this3.loadTestFontId = 0;
+      return _this3;
+    }
+
+    _createClass(GenericFontLoader, [{
+      key: "_queueLoadingCallback",
+      value: function _queueLoadingCallback(callback) {
+        function completeRequest() {
+          (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
+          request.done = true;
+
+          while (context.requests.length > 0 && context.requests[0].done) {
+            var otherRequest = context.requests.shift();
+            setTimeout(otherRequest.callback, 0);
+          }
+        }
+
+        var context = this.loadingContext;
+        var request = {
+          id: "pdfjs-font-loading-".concat(context.nextRequestId++),
+          done: false,
+          complete: completeRequest,
+          callback: callback
+        };
+        context.requests.push(request);
+        return request;
+      }
+    }, {
+      key: "_prepareFontLoadEvent",
+      value: function _prepareFontLoadEvent(rules, fonts, request) {
+        var _this4 = this;
+
+        function int32(data, offset) {
+          return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
+        }
+
+        function spliceString(s, offset, remove, insert) {
+          var chunk1 = s.substring(0, offset);
+          var chunk2 = s.substring(offset + remove);
+          return chunk1 + insert + chunk2;
+        }
+
+        var i, ii;
+
+        var canvas = this._document.createElement("canvas");
+
+        canvas.width = 1;
+        canvas.height = 1;
+        var ctx = canvas.getContext("2d");
+        var called = 0;
+
+        function isFontReady(name, callback) {
+          called++;
+
+          if (called > 30) {
+            (0, _util.warn)("Load test font never loaded.");
+            callback();
+            return;
+          }
+
+          ctx.font = "30px " + name;
+          ctx.fillText(".", 0, 20);
+          var imageData = ctx.getImageData(0, 0, 1, 1);
+
+          if (imageData.data[3] > 0) {
+            callback();
+            return;
+          }
+
+          setTimeout(isFontReady.bind(null, name, callback));
+        }
+
+        var loadTestFontId = "lt".concat(Date.now()).concat(this.loadTestFontId++);
+        var data = this._loadTestFont;
+        var COMMENT_OFFSET = 976;
+        data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
+        var CFF_CHECKSUM_OFFSET = 16;
+        var XXXX_VALUE = 0x58585858;
+        var checksum = int32(data, CFF_CHECKSUM_OFFSET);
+
+        for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+          checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
+        }
+
+        if (i < loadTestFontId.length) {
+          checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
+        }
+
+        data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
+        var url = "url(data:font/opentype;base64,".concat(btoa(data), ");");
+        var rule = "@font-face {font-family:\"".concat(loadTestFontId, "\";src:").concat(url, "}");
+        this.insertRule(rule);
+        var names = [];
+
+        for (i = 0, ii = fonts.length; i < ii; i++) {
+          names.push(fonts[i].loadedName);
+        }
+
+        names.push(loadTestFontId);
+
+        var div = this._document.createElement("div");
+
+        div.style.visibility = "hidden";
+        div.style.width = div.style.height = "10px";
+        div.style.position = "absolute";
+        div.style.top = div.style.left = "0px";
+
+        for (i = 0, ii = names.length; i < ii; ++i) {
+          var span = this._document.createElement("span");
+
+          span.textContent = "Hi";
+          span.style.fontFamily = names[i];
+          div.appendChild(span);
+        }
+
+        this._document.body.appendChild(div);
+
+        isFontReady(loadTestFontId, function () {
+          _this4._document.body.removeChild(div);
+
+          request.complete();
+        });
+      }
+    }, {
+      key: "isSyncFontLoadingSupported",
+      get: function get() {
+        var supported = false;
+
+        if (typeof navigator === "undefined") {
+          supported = true;
+        } else {
+          var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+          if (m && m[1] >= 14) {
+            supported = true;
+          }
+        }
+
+        return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
+      }
+    }, {
+      key: "_loadTestFont",
+      get: function get() {
+        var getLoadTestFont = function getLoadTestFont() {
+          return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
+        };
+
+        return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
+      }
+    }]);
+
+    return GenericFontLoader;
+  }(BaseFontLoader);
+}
+
+var FontFaceObject = /*#__PURE__*/function () {
+  function FontFaceObject(translatedData, _ref2) {
+    var _ref2$isEvalSupported = _ref2.isEvalSupported,
+        isEvalSupported = _ref2$isEvalSupported === void 0 ? true : _ref2$isEvalSupported,
+        _ref2$disableFontFace = _ref2.disableFontFace,
+        disableFontFace = _ref2$disableFontFace === void 0 ? false : _ref2$disableFontFace,
+        _ref2$ignoreErrors = _ref2.ignoreErrors,
+        ignoreErrors = _ref2$ignoreErrors === void 0 ? false : _ref2$ignoreErrors,
+        _ref2$onUnsupportedFe = _ref2.onUnsupportedFeature,
+        onUnsupportedFeature = _ref2$onUnsupportedFe === void 0 ? null : _ref2$onUnsupportedFe,
+        _ref2$fontRegistry = _ref2.fontRegistry,
+        fontRegistry = _ref2$fontRegistry === void 0 ? null : _ref2$fontRegistry;
+
+    _classCallCheck(this, FontFaceObject);
+
+    this.compiledGlyphs = Object.create(null);
+
+    for (var i in translatedData) {
+      this[i] = translatedData[i];
+    }
+
+    this.isEvalSupported = isEvalSupported !== false;
+    this.disableFontFace = disableFontFace === true;
+    this.ignoreErrors = ignoreErrors === true;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this.fontRegistry = fontRegistry;
+  }
+
+  _createClass(FontFaceObject, [{
+    key: "createNativeFontFace",
+    value: function createNativeFontFace() {
+      if (!this.data || this.disableFontFace) {
+        return null;
+      }
+
+      var nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+      if (this.fontRegistry) {
+        this.fontRegistry.registerFont(this);
+      }
+
+      return nativeFontFace;
+    }
+  }, {
+    key: "createFontFaceRule",
+    value: function createFontFaceRule() {
+      if (!this.data || this.disableFontFace) {
+        return null;
+      }
+
+      var data = (0, _util.bytesToString)(new Uint8Array(this.data));
+      var url = "url(data:".concat(this.mimetype, ";base64,").concat(btoa(data), ");");
+      var rule = "@font-face {font-family:\"".concat(this.loadedName, "\";src:").concat(url, "}");
+
+      if (this.fontRegistry) {
+        this.fontRegistry.registerFont(this, url);
+      }
+
+      return rule;
+    }
+  }, {
+    key: "getPathGenerator",
+    value: function getPathGenerator(objs, character) {
+      if (this.compiledGlyphs[character] !== undefined) {
+        return this.compiledGlyphs[character];
+      }
+
+      var cmds, current;
+
+      try {
+        cmds = objs.get(this.loadedName + "_path_" + character);
+      } catch (ex) {
+        if (!this.ignoreErrors) {
+          throw ex;
+        }
+
+        if (this._onUnsupportedFeature) {
+          this._onUnsupportedFeature({
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
+          });
+        }
+
+        (0, _util.warn)("getPathGenerator - ignoring character: \"".concat(ex, "\"."));
+        return this.compiledGlyphs[character] = function (c, size) {};
+      }
+
+      if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
+        var args,
+            js = "";
+
+        for (var i = 0, ii = cmds.length; i < ii; i++) {
+          current = cmds[i];
+
+          if (current.args !== undefined) {
+            args = current.args.join(",");
+          } else {
+            args = "";
+          }
+
+          js += "c." + current.cmd + "(" + args + ");\n";
+        }
+
+        return this.compiledGlyphs[character] = new Function("c", "size", js);
+      }
+
+      return this.compiledGlyphs[character] = function (c, size) {
+        for (var _i = 0, _ii = cmds.length; _i < _ii; _i++) {
+          current = cmds[_i];
+
+          if (current.cmd === "scale") {
+            current.args = [size, -size];
+          }
+
+          c[current.cmd].apply(c, current.args);
+        }
+      };
+    }
+  }]);
+
+  return FontFaceObject;
+}();
+
+exports.FontFaceObject = FontFaceObject;
+
+/***/ }),
+/* 204 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NodeCMapReaderFactory = exports.NodeCanvasFactory = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(7);
+
+var _util = __w_pdfjs_require__(5);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var NodeCanvasFactory = function NodeCanvasFactory() {
+  _classCallCheck(this, NodeCanvasFactory);
+
+  (0, _util.unreachable)("Not implemented: NodeCanvasFactory");
+};
+
+exports.NodeCanvasFactory = NodeCanvasFactory;
+
+var NodeCMapReaderFactory = function NodeCMapReaderFactory() {
+  _classCallCheck(this, NodeCMapReaderFactory);
+
+  (0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
+};
+
+exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
+
+if (_is_node.isNodeJS) {
+  exports.NodeCanvasFactory = NodeCanvasFactory = /*#__PURE__*/function (_BaseCanvasFactory) {
+    _inherits(NodeCanvasFactory, _BaseCanvasFactory);
+
+    var _super = _createSuper(NodeCanvasFactory);
+
+    function NodeCanvasFactory() {
+      _classCallCheck(this, NodeCanvasFactory);
+
+      return _super.apply(this, arguments);
+    }
+
+    _createClass(NodeCanvasFactory, [{
+      key: "create",
+      value: function create(width, height) {
+        if (width <= 0 || height <= 0) {
+          throw new Error("Invalid canvas size");
+        }
+
+        var Canvas = require("canvas");
+
+        var canvas = Canvas.createCanvas(width, height);
+        return {
+          canvas: canvas,
+          context: canvas.getContext("2d")
+        };
+      }
+    }]);
+
+    return NodeCanvasFactory;
+  }(_display_utils.BaseCanvasFactory);
+
+  exports.NodeCMapReaderFactory = NodeCMapReaderFactory = /*#__PURE__*/function (_BaseCMapReaderFactor) {
+    _inherits(NodeCMapReaderFactory, _BaseCMapReaderFactor);
+
+    var _super2 = _createSuper(NodeCMapReaderFactory);
+
+    function NodeCMapReaderFactory() {
+      _classCallCheck(this, NodeCMapReaderFactory);
+
+      return _super2.apply(this, arguments);
+    }
+
+    _createClass(NodeCMapReaderFactory, [{
+      key: "_fetchData",
+      value: function _fetchData(url, compressionType) {
+        return new Promise(function (resolve, reject) {
+          var fs = require("fs");
+
+          fs.readFile(url, function (error, data) {
+            if (error || !data) {
+              reject(new Error(error));
+              return;
+            }
+
+            resolve({
+              cMapData: new Uint8Array(data),
+              compressionType: compressionType
+            });
+          });
+        });
+      }
+    }]);
+
+    return NodeCMapReaderFactory;
+  }(_display_utils.BaseCMapReaderFactory);
+}
+
+/***/ }),
+/* 205 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationStorage = void 0;
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var AnnotationStorage = /*#__PURE__*/function () {
+  function AnnotationStorage() {
+    _classCallCheck(this, AnnotationStorage);
+
+    this._storage = new Map();
+    this._modified = false;
+    this.onSetModified = null;
+    this.onResetModified = null;
+  }
+
+  _createClass(AnnotationStorage, [{
+    key: "getOrCreateValue",
+    value: function getOrCreateValue(key, defaultValue) {
+      if (this._storage.has(key)) {
+        return this._storage.get(key);
+      }
+
+      this._storage.set(key, defaultValue);
+
+      return defaultValue;
+    }
+  }, {
+    key: "setValue",
+    value: function setValue(key, value) {
+      if (this._storage.get(key) !== value) {
+        this._setModified();
+      }
+
+      this._storage.set(key, value);
+    }
+  }, {
+    key: "getAll",
+    value: function getAll() {
+      if (this._storage.size === 0) {
+        return null;
+      }
+
+      return Object.fromEntries(this._storage);
+    }
+  }, {
+    key: "_setModified",
+    value: function _setModified() {
+      if (!this._modified) {
+        this._modified = true;
+
+        if (typeof this.onSetModified === "function") {
+          this.onSetModified();
+        }
+      }
+    }
+  }, {
+    key: "resetModified",
+    value: function resetModified() {
+      if (this._modified) {
+        this._modified = false;
+
+        if (typeof this.onResetModified === "function") {
+          this.onResetModified();
+        }
+      }
+    }
+  }, {
+    key: "size",
+    get: function get() {
+      return this._storage.size;
+    }
+  }]);
+
+  return AnnotationStorage;
+}();
+
+exports.AnnotationStorage = AnnotationStorage;
+
+/***/ }),
+/* 206 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.apiCompatibilityParams = void 0;
+
+var _is_node = __w_pdfjs_require__(7);
+
+var compatibilityParams = Object.create(null);
+{
+  (function checkFontFace() {
+    if (_is_node.isNodeJS) {
+      compatibilityParams.disableFontFace = true;
+    }
+  })();
+}
+var apiCompatibilityParams = Object.freeze(compatibilityParams);
+exports.apiCompatibilityParams = apiCompatibilityParams;
+
+/***/ }),
+/* 207 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CanvasGraphics = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _pattern_helper = __w_pdfjs_require__(208);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+var MIN_FONT_SIZE = 16;
+var MAX_FONT_SIZE = 100;
+var MAX_GROUP_SIZE = 4096;
+var MIN_WIDTH_FACTOR = 0.65;
+var COMPILE_TYPE3_GLYPHS = true;
+var MAX_SIZE_TO_COMPILE = 1000;
+var FULL_CHUNK_HEIGHT = 16;
+
+function addContextCurrentTransform(ctx) {
+  if (!ctx.mozCurrentTransform) {
+    ctx._originalSave = ctx.save;
+    ctx._originalRestore = ctx.restore;
+    ctx._originalRotate = ctx.rotate;
+    ctx._originalScale = ctx.scale;
+    ctx._originalTranslate = ctx.translate;
+    ctx._originalTransform = ctx.transform;
+    ctx._originalSetTransform = ctx.setTransform;
+    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+    ctx._transformStack = [];
+    Object.defineProperty(ctx, "mozCurrentTransform", {
+      get: function getCurrentTransform() {
+        return this._transformMatrix;
+      }
+    });
+    Object.defineProperty(ctx, "mozCurrentTransformInverse", {
+      get: function getCurrentTransformInverse() {
+        var m = this._transformMatrix;
+        var a = m[0],
+            b = m[1],
+            c = m[2],
+            d = m[3],
+            e = m[4],
+            f = m[5];
+        var ad_bc = a * d - b * c;
+        var bc_ad = b * c - a * d;
+        return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
+      }
+    });
+
+    ctx.save = function ctxSave() {
+      var old = this._transformMatrix;
+
+      this._transformStack.push(old);
+
+      this._transformMatrix = old.slice(0, 6);
+
+      this._originalSave();
+    };
+
+    ctx.restore = function ctxRestore() {
+      var prev = this._transformStack.pop();
+
+      if (prev) {
+        this._transformMatrix = prev;
+
+        this._originalRestore();
+      }
+    };
+
+    ctx.translate = function ctxTranslate(x, y) {
+      var m = this._transformMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+
+      this._originalTranslate(x, y);
+    };
+
+    ctx.scale = function ctxScale(x, y) {
+      var m = this._transformMatrix;
+      m[0] = m[0] * x;
+      m[1] = m[1] * x;
+      m[2] = m[2] * y;
+      m[3] = m[3] * y;
+
+      this._originalScale(x, y);
+    };
+
+    ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
+
+      ctx._originalTransform(a, b, c, d, e, f);
+    };
+
+    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+      this._transformMatrix = [a, b, c, d, e, f];
+
+      ctx._originalSetTransform(a, b, c, d, e, f);
+    };
+
+    ctx.rotate = function ctxRotate(angle) {
+      var cosValue = Math.cos(angle);
+      var sinValue = Math.sin(angle);
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
+
+      this._originalRotate(angle);
+    };
+  }
+}
+
+var CachedCanvases = function CachedCanvasesClosure() {
+  function CachedCanvases(canvasFactory) {
+    this.canvasFactory = canvasFactory;
+    this.cache = Object.create(null);
+  }
+
+  CachedCanvases.prototype = {
+    getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
+      var canvasEntry;
+
+      if (this.cache[id] !== undefined) {
+        canvasEntry = this.cache[id];
+        this.canvasFactory.reset(canvasEntry, width, height);
+        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+      } else {
+        canvasEntry = this.canvasFactory.create(width, height);
+        this.cache[id] = canvasEntry;
+      }
+
+      if (trackTransform) {
+        addContextCurrentTransform(canvasEntry.context);
+      }
+
+      return canvasEntry;
+    },
+    clear: function clear() {
+      for (var id in this.cache) {
+        var canvasEntry = this.cache[id];
+        this.canvasFactory.destroy(canvasEntry);
+        delete this.cache[id];
+      }
+    }
+  };
+  return CachedCanvases;
+}();
+
+function compileType3Glyph(imgData) {
+  var POINT_TO_PROCESS_LIMIT = 1000;
+  var width = imgData.width,
+      height = imgData.height;
+  var i,
+      j,
+      j0,
+      width1 = width + 1;
+  var points = new Uint8Array(width1 * (height + 1));
+  var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+  var lineSize = width + 7 & ~7,
+      data0 = imgData.data;
+  var data = new Uint8Array(lineSize * height),
+      pos = 0,
+      ii;
+
+  for (i = 0, ii = data0.length; i < ii; i++) {
+    var mask = 128,
+        elem = data0[i];
+
+    while (mask > 0) {
+      data[pos++] = elem & mask ? 0 : 255;
+      mask >>= 1;
+    }
+  }
+
+  var count = 0;
+  pos = 0;
+
+  if (data[pos] !== 0) {
+    points[0] = 1;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j] = data[pos] ? 2 : 1;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j] = 2;
+    ++count;
+  }
+
+  for (i = 1; i < height; i++) {
+    pos = i * lineSize;
+    j0 = i * width1;
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0] = data[pos] ? 1 : 8;
+      ++count;
+    }
+
+    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
+    for (j = 1; j < width; j++) {
+      sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
+
+      if (POINT_TYPES[sum]) {
+        points[j0 + j] = POINT_TYPES[sum];
+        ++count;
+      }
+
+      pos++;
+    }
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0 + j] = data[pos] ? 2 : 4;
+      ++count;
+    }
+
+    if (count > POINT_TO_PROCESS_LIMIT) {
+      return null;
+    }
+  }
+
+  pos = lineSize * (height - 1);
+  j0 = i * width1;
+
+  if (data[pos] !== 0) {
+    points[j0] = 8;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j0 + j] = data[pos] ? 4 : 8;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j0 + j] = 4;
+    ++count;
+  }
+
+  if (count > POINT_TO_PROCESS_LIMIT) {
+    return null;
+  }
+
+  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+  var outlines = [];
+
+  for (i = 0; count && i <= height; i++) {
+    var p = i * width1;
+    var end = p + width;
+
+    while (p < end && !points[p]) {
+      p++;
+    }
+
+    if (p === end) {
+      continue;
+    }
+
+    var coords = [p % width1, i];
+    var type = points[p],
+        p0 = p,
+        pp;
+
+    do {
+      var step = steps[type];
+
+      do {
+        p += step;
+      } while (!points[p]);
+
+      pp = points[p];
+
+      if (pp !== 5 && pp !== 10) {
+        type = pp;
+        points[p] = 0;
+      } else {
+        type = pp & 0x33 * type >> 4;
+        points[p] &= type >> 2 | type << 2;
+      }
+
+      coords.push(p % width1);
+      coords.push(p / width1 | 0);
+
+      if (!points[p]) {
+        --count;
+      }
+    } while (p0 !== p);
+
+    outlines.push(coords);
+    --i;
+  }
+
+  var drawOutline = function drawOutline(c) {
+    c.save();
+    c.scale(1 / width, -1 / height);
+    c.translate(0, -height);
+    c.beginPath();
+
+    for (var k = 0, kk = outlines.length; k < kk; k++) {
+      var o = outlines[k];
+      c.moveTo(o[0], o[1]);
+
+      for (var l = 2, ll = o.length; l < ll; l += 2) {
+        c.lineTo(o[l], o[l + 1]);
+      }
+    }
+
+    c.fill();
+    c.beginPath();
+    c.restore();
+  };
+
+  return drawOutline;
+}
+
+var CanvasExtraState = function CanvasExtraStateClosure() {
+  function CanvasExtraState() {
+    this.alphaIsShape = false;
+    this.fontSize = 0;
+    this.fontSizeScale = 1;
+    this.textMatrix = _util.IDENTITY_MATRIX;
+    this.textMatrixScale = 1;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.leading = 0;
+    this.x = 0;
+    this.y = 0;
+    this.lineX = 0;
+    this.lineY = 0;
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.textHScale = 1;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.textRise = 0;
+    this.fillColor = "#000000";
+    this.strokeColor = "#000000";
+    this.patternFill = false;
+    this.fillAlpha = 1;
+    this.strokeAlpha = 1;
+    this.lineWidth = 1;
+    this.activeSMask = null;
+    this.resumeSMaskCtx = null;
+    this.transferMaps = null;
+  }
+
+  CanvasExtraState.prototype = {
+    clone: function CanvasExtraState_clone() {
+      return Object.create(this);
+    },
+    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+  };
+  return CanvasExtraState;
+}();
+
+var CanvasGraphics = function CanvasGraphicsClosure() {
+  var EXECUTION_TIME = 15;
+  var EXECUTION_STEPS = 10;
+
+  function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer, optionalContentConfig) {
+    this.ctx = canvasCtx;
+    this.current = new CanvasExtraState();
+    this.stateStack = [];
+    this.pendingClip = null;
+    this.pendingEOFill = false;
+    this.res = null;
+    this.xobjs = null;
+    this.commonObjs = commonObjs;
+    this.objs = objs;
+    this.canvasFactory = canvasFactory;
+    this.webGLContext = webGLContext;
+    this.imageLayer = imageLayer;
+    this.groupStack = [];
+    this.processingType3 = null;
+    this.baseTransform = null;
+    this.baseTransformStack = [];
+    this.groupLevel = 0;
+    this.smaskStack = [];
+    this.smaskCounter = 0;
+    this.tempSMask = null;
+    this.contentVisible = true;
+    this.markedContentStack = [];
+    this.optionalContentConfig = optionalContentConfig;
+    this.cachedCanvases = new CachedCanvases(this.canvasFactory);
+
+    if (canvasCtx) {
+      addContextCurrentTransform(canvasCtx);
+    }
+
+    this._cachedGetSinglePixelWidth = null;
+  }
+
+  function putBinaryImageData(ctx, imgData) {
+    var transferMaps = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+
+    if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
+      ctx.putImageData(imgData, 0, 0);
+      return;
+    }
+
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0,
+        destPos;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+    var i, j, thisChunkHeight, elemsInThisChunk;
+    var transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
+
+    if (transferMaps) {
+      switch (transferMaps.length) {
+        case 1:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[0];
+          transferMapBlue = transferMaps[0];
+          transferMapGray = transferMaps[0];
+          break;
+
+        case 4:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[1];
+          transferMapBlue = transferMaps[2];
+          transferMapGray = transferMaps[3];
+          break;
+      }
+    }
+
+    if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
+      var srcLength = src.byteLength;
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
+      var dest32DataLength = dest32.length;
+      var fullSrcDiff = width + 7 >> 3;
+      var white = 0xffffffff;
+      var black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
+
+      if (transferMapGray) {
+        if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
+          var _ref = [black, white];
+          white = _ref[0];
+          black = _ref[1];
+        }
+      }
+
+      for (i = 0; i < totalChunks; i++) {
+        thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+        destPos = 0;
+
+        for (j = 0; j < thisChunkHeight; j++) {
+          var srcDiff = srcLength - srcPos;
+          var k = 0;
+          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
+          var kEndUnrolled = kEnd & ~7;
+          var mask = 0;
+          var srcByte = 0;
+
+          for (; k < kEndUnrolled; k += 8) {
+            srcByte = src[srcPos++];
+            dest32[destPos++] = srcByte & 128 ? white : black;
+            dest32[destPos++] = srcByte & 64 ? white : black;
+            dest32[destPos++] = srcByte & 32 ? white : black;
+            dest32[destPos++] = srcByte & 16 ? white : black;
+            dest32[destPos++] = srcByte & 8 ? white : black;
+            dest32[destPos++] = srcByte & 4 ? white : black;
+            dest32[destPos++] = srcByte & 2 ? white : black;
+            dest32[destPos++] = srcByte & 1 ? white : black;
+          }
+
+          for (; k < kEnd; k++) {
+            if (mask === 0) {
+              srcByte = src[srcPos++];
+              mask = 128;
+            }
+
+            dest32[destPos++] = srcByte & mask ? white : black;
+            mask >>= 1;
+          }
+        }
+
+        while (destPos < dest32DataLength) {
+          dest32[destPos++] = 0;
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
+      var hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+      j = 0;
+      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+      for (i = 0; i < fullChunks; i++) {
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+        srcPos += elemsInThisChunk;
+
+        if (hasTransferMaps) {
+          for (var _k = 0; _k < elemsInThisChunk; _k += 4) {
+            if (transferMapRed) {
+              dest[_k + 0] = transferMapRed[dest[_k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[_k + 1] = transferMapGreen[dest[_k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[_k + 2] = transferMapBlue[dest[_k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+        j += FULL_CHUNK_HEIGHT;
+      }
+
+      if (i < totalChunks) {
+        elemsInThisChunk = width * partialChunkHeight * 4;
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+
+        if (hasTransferMaps) {
+          for (var _k2 = 0; _k2 < elemsInThisChunk; _k2 += 4) {
+            if (transferMapRed) {
+              dest[_k2 + 0] = transferMapRed[dest[_k2 + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[_k2 + 1] = transferMapGreen[dest[_k2 + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[_k2 + 2] = transferMapBlue[dest[_k2 + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+      var _hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+
+      thisChunkHeight = FULL_CHUNK_HEIGHT;
+      elemsInThisChunk = width * thisChunkHeight;
+
+      for (i = 0; i < totalChunks; i++) {
+        if (i >= fullChunks) {
+          thisChunkHeight = partialChunkHeight;
+          elemsInThisChunk = width * thisChunkHeight;
+        }
+
+        destPos = 0;
+
+        for (j = elemsInThisChunk; j--;) {
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = 255;
+        }
+
+        if (_hasTransferMaps) {
+          for (var _k3 = 0; _k3 < destPos; _k3 += 4) {
+            if (transferMapRed) {
+              dest[_k3 + 0] = transferMapRed[dest[_k3 + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[_k3 + 1] = transferMapGreen[dest[_k3 + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[_k3 + 2] = transferMapBlue[dest[_k3 + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else {
+      throw new Error("bad image kind: ".concat(imgData.kind));
+    }
+  }
+
+  function putBinaryImageMask(ctx, imgData) {
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+
+    for (var i = 0; i < totalChunks; i++) {
+      var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+      var destPos = 3;
+
+      for (var j = 0; j < thisChunkHeight; j++) {
+        var mask = 0;
+
+        for (var k = 0; k < width; k++) {
+          if (!mask) {
+            var elem = src[srcPos++];
+            mask = 128;
+          }
+
+          dest[destPos] = elem & mask ? 0 : 255;
+          destPos += 4;
+          mask >>= 1;
+        }
+      }
+
+      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+    }
+  }
+
+  function copyCtxState(sourceCtx, destCtx) {
+    var properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
+
+    for (var i = 0, ii = properties.length; i < ii; i++) {
+      var property = properties[i];
+
+      if (sourceCtx[property] !== undefined) {
+        destCtx[property] = sourceCtx[property];
+      }
+    }
+
+    if (sourceCtx.setLineDash !== undefined) {
+      destCtx.setLineDash(sourceCtx.getLineDash());
+      destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+    }
+  }
+
+  function resetCtxToDefault(ctx) {
+    ctx.strokeStyle = "#000000";
+    ctx.fillStyle = "#000000";
+    ctx.fillRule = "nonzero";
+    ctx.globalAlpha = 1;
+    ctx.lineWidth = 1;
+    ctx.lineCap = "butt";
+    ctx.lineJoin = "miter";
+    ctx.miterLimit = 10;
+    ctx.globalCompositeOperation = "source-over";
+    ctx.font = "10px sans-serif";
+
+    if (ctx.setLineDash !== undefined) {
+      ctx.setLineDash([]);
+      ctx.lineDashOffset = 0;
+    }
+  }
+
+  function composeSMaskBackdrop(bytes, r0, g0, b0) {
+    var length = bytes.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = bytes[i];
+
+      if (alpha === 0) {
+        bytes[i - 3] = r0;
+        bytes[i - 2] = g0;
+        bytes[i - 1] = b0;
+      } else if (alpha < 255) {
+        var alpha_ = 255 - alpha;
+        bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+        bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+        bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+      }
+    }
+  }
+
+  function composeSMaskAlpha(maskData, layerData, transferMap) {
+    var length = maskData.length;
+    var scale = 1 / 255;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+      layerData[i] = layerData[i] * alpha * scale | 0;
+    }
+  }
+
+  function composeSMaskLuminosity(maskData, layerData, transferMap) {
+    var length = maskData.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+      layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+    }
+  }
+
+  function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
+    var hasBackdrop = !!backdrop;
+    var r0 = hasBackdrop ? backdrop[0] : 0;
+    var g0 = hasBackdrop ? backdrop[1] : 0;
+    var b0 = hasBackdrop ? backdrop[2] : 0;
+    var composeFn;
+
+    if (subtype === "Luminosity") {
+      composeFn = composeSMaskLuminosity;
+    } else {
+      composeFn = composeSMaskAlpha;
+    }
+
+    var PIXELS_TO_PROCESS = 1048576;
+    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+    for (var row = 0; row < height; row += chunkSize) {
+      var chunkHeight = Math.min(chunkSize, height - row);
+      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+      if (hasBackdrop) {
+        composeSMaskBackdrop(maskData.data, r0, g0, b0);
+      }
+
+      composeFn(maskData.data, layerData.data, transferMap);
+      maskCtx.putImageData(layerData, 0, row);
+    }
+  }
+
+  function composeSMask(ctx, smask, layerCtx, webGLContext) {
+    var mask = smask.canvas;
+    var maskCtx = smask.context;
+    ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
+    var backdrop = smask.backdrop || null;
+
+    if (!smask.transferMap && webGLContext.isEnabled) {
+      var composed = webGLContext.composeSMask({
+        layer: layerCtx.canvas,
+        mask: mask,
+        properties: {
+          subtype: smask.subtype,
+          backdrop: backdrop
+        }
+      });
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+      return;
+    }
+
+    genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
+    ctx.drawImage(mask, 0, 0);
+  }
+
+  var LINE_CAP_STYLES = ["butt", "round", "square"];
+  var LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+  var NORMAL_CLIP = {};
+  var EO_CLIP = {};
+  CanvasGraphics.prototype = {
+    beginDrawing: function beginDrawing(_ref2) {
+      var transform = _ref2.transform,
+          viewport = _ref2.viewport,
+          _ref2$transparency = _ref2.transparency,
+          transparency = _ref2$transparency === void 0 ? false : _ref2$transparency,
+          _ref2$background = _ref2.background,
+          background = _ref2$background === void 0 ? null : _ref2$background;
+      var width = this.ctx.canvas.width;
+      var height = this.ctx.canvas.height;
+      this.ctx.save();
+      this.ctx.fillStyle = background || "rgb(255, 255, 255)";
+      this.ctx.fillRect(0, 0, width, height);
+      this.ctx.restore();
+
+      if (transparency) {
+        var transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true);
+        this.compositeCtx = this.ctx;
+        this.transparentCanvas = transparentCanvas.canvas;
+        this.ctx = transparentCanvas.context;
+        this.ctx.save();
+        this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
+      }
+
+      this.ctx.save();
+      resetCtxToDefault(this.ctx);
+
+      if (transform) {
+        this.ctx.transform.apply(this.ctx, transform);
+      }
+
+      this.ctx.transform.apply(this.ctx, viewport.transform);
+      this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+      if (this.imageLayer) {
+        this.imageLayer.beginLayout();
+      }
+    },
+    executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
+      var argsArray = operatorList.argsArray;
+      var fnArray = operatorList.fnArray;
+      var i = executionStartIdx || 0;
+      var argsArrayLen = argsArray.length;
+
+      if (argsArrayLen === i) {
+        return i;
+      }
+
+      var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
+      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+      var steps = 0;
+      var commonObjs = this.commonObjs;
+      var objs = this.objs;
+      var fnId;
+
+      while (true) {
+        if (stepper !== undefined && i === stepper.nextBreakPoint) {
+          stepper.breakIt(i, continueCallback);
+          return i;
+        }
+
+        fnId = fnArray[i];
+
+        if (fnId !== _util.OPS.dependency) {
+          this[fnId].apply(this, argsArray[i]);
+        } else {
+          var _iterator = _createForOfIteratorHelper(argsArray[i]),
+              _step;
+
+          try {
+            for (_iterator.s(); !(_step = _iterator.n()).done;) {
+              var depObjId = _step.value;
+              var objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
+
+              if (!objsPool.has(depObjId)) {
+                objsPool.get(depObjId, continueCallback);
+                return i;
+              }
+            }
+          } catch (err) {
+            _iterator.e(err);
+          } finally {
+            _iterator.f();
+          }
+        }
+
+        i++;
+
+        if (i === argsArrayLen) {
+          return i;
+        }
+
+        if (chunkOperations && ++steps > EXECUTION_STEPS) {
+          if (Date.now() > endTime) {
+            continueCallback();
+            return i;
+          }
+
+          steps = 0;
+        }
+      }
+    },
+    endDrawing: function CanvasGraphics_endDrawing() {
+      if (this.current.activeSMask !== null) {
+        this.endSMaskGroup();
+      }
+
+      this.ctx.restore();
+
+      if (this.transparentCanvas) {
+        this.ctx = this.compositeCtx;
+        this.ctx.save();
+        this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+        this.ctx.drawImage(this.transparentCanvas, 0, 0);
+        this.ctx.restore();
+        this.transparentCanvas = null;
+      }
+
+      this.cachedCanvases.clear();
+      this.webGLContext.clear();
+
+      if (this.imageLayer) {
+        this.imageLayer.endLayout();
+      }
+    },
+    setLineWidth: function CanvasGraphics_setLineWidth(width) {
+      this.current.lineWidth = width;
+      this.ctx.lineWidth = width;
+    },
+    setLineCap: function CanvasGraphics_setLineCap(style) {
+      this.ctx.lineCap = LINE_CAP_STYLES[style];
+    },
+    setLineJoin: function CanvasGraphics_setLineJoin(style) {
+      this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+    },
+    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+      this.ctx.miterLimit = limit;
+    },
+    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+      var ctx = this.ctx;
+
+      if (ctx.setLineDash !== undefined) {
+        ctx.setLineDash(dashArray);
+        ctx.lineDashOffset = dashPhase;
+      }
+    },
+    setRenderingIntent: function setRenderingIntent(intent) {},
+    setFlatness: function setFlatness(flatness) {},
+    setGState: function CanvasGraphics_setGState(states) {
+      for (var i = 0, ii = states.length; i < ii; i++) {
+        var state = states[i];
+        var key = state[0];
+        var value = state[1];
+
+        switch (key) {
+          case "LW":
+            this.setLineWidth(value);
+            break;
+
+          case "LC":
+            this.setLineCap(value);
+            break;
+
+          case "LJ":
+            this.setLineJoin(value);
+            break;
+
+          case "ML":
+            this.setMiterLimit(value);
+            break;
+
+          case "D":
+            this.setDash(value[0], value[1]);
+            break;
+
+          case "RI":
+            this.setRenderingIntent(value);
+            break;
+
+          case "FL":
+            this.setFlatness(value);
+            break;
+
+          case "Font":
+            this.setFont(value[0], value[1]);
+            break;
+
+          case "CA":
+            this.current.strokeAlpha = state[1];
+            break;
+
+          case "ca":
+            this.current.fillAlpha = state[1];
+            this.ctx.globalAlpha = state[1];
+            break;
+
+          case "BM":
+            this.ctx.globalCompositeOperation = value;
+            break;
+
+          case "SMask":
+            if (this.current.activeSMask) {
+              if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
+                this.suspendSMaskGroup();
+              } else {
+                this.endSMaskGroup();
+              }
+            }
+
+            this.current.activeSMask = value ? this.tempSMask : null;
+
+            if (this.current.activeSMask) {
+              this.beginSMaskGroup();
+            }
+
+            this.tempSMask = null;
+            break;
+
+          case "TR":
+            this.current.transferMaps = value;
+        }
+      }
+    },
+    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+      var activeSMask = this.current.activeSMask;
+      var drawnWidth = activeSMask.canvas.width;
+      var drawnHeight = activeSMask.canvas.height;
+      var cacheId = "smaskGroupAt" + this.groupLevel;
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var currentCtx = this.ctx;
+      var currentTransform = currentCtx.mozCurrentTransform;
+      this.ctx.save();
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      this.ctx.save();
+      copyCtxState(groupCtx, this.ctx);
+      this.current.resumeSMaskCtx = groupCtx;
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+      groupCtx.save();
+      groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+      groupCtx.restore();
+    },
+    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.current.resumeSMaskCtx;
+      var currentCtx = this.ctx;
+      this.ctx = groupCtx;
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      copyCtxState(groupCtx, this.ctx);
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+    },
+    save: function CanvasGraphics_save() {
+      this.ctx.save();
+      var old = this.current;
+      this.stateStack.push(old);
+      this.current = old.clone();
+      this.current.resumeSMaskCtx = null;
+    },
+    restore: function CanvasGraphics_restore() {
+      if (this.current.resumeSMaskCtx) {
+        this.resumeSMaskGroup();
+      }
+
+      if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
+        this.endSMaskGroup();
+      }
+
+      if (this.stateStack.length !== 0) {
+        this.current = this.stateStack.pop();
+        this.ctx.restore();
+        this.pendingClip = null;
+        this._cachedGetSinglePixelWidth = null;
+      }
+    },
+    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+      this.ctx.transform(a, b, c, d, e, f);
+      this._cachedGetSinglePixelWidth = null;
+    },
+    constructPath: function CanvasGraphics_constructPath(ops, args) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var x = current.x,
+          y = current.y;
+
+      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
+        switch (ops[i] | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            var width = args[j++];
+            var height = args[j++];
+
+            if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              width = this.getSinglePixelWidth();
+            }
+
+            if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              height = this.getSinglePixelWidth();
+            }
+
+            var xw = x + width;
+            var yh = y + height;
+            ctx.moveTo(x, y);
+            ctx.lineTo(xw, y);
+            ctx.lineTo(xw, yh);
+            ctx.lineTo(x, yh);
+            ctx.lineTo(x, y);
+            ctx.closePath();
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.moveTo(x, y);
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.lineTo(x, y);
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            ctx.closePath();
+            break;
+        }
+      }
+
+      current.setCurrentPoint(x, y);
+    },
+    closePath: function CanvasGraphics_closePath() {
+      this.ctx.closePath();
+    },
+    stroke: function CanvasGraphics_stroke(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var strokeColor = this.current.strokeColor;
+      ctx.globalAlpha = this.current.strokeAlpha;
+
+      if (this.contentVisible) {
+        if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") {
+          ctx.save();
+          var transform = ctx.mozCurrentTransform;
+
+          var scale = _util.Util.singularValueDecompose2dScale(transform)[0];
+
+          ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
+          ctx.stroke();
+          ctx.restore();
+        } else {
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
+          ctx.stroke();
+        }
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+
+      ctx.globalAlpha = this.current.fillAlpha;
+    },
+    closeStroke: function CanvasGraphics_closeStroke() {
+      this.closePath();
+      this.stroke();
+    },
+    fill: function CanvasGraphics_fill(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var needRestore = false;
+
+      if (isPatternFill) {
+        ctx.save();
+
+        if (this.baseTransform) {
+          ctx.setTransform.apply(ctx, this.baseTransform);
+        }
+
+        ctx.fillStyle = fillColor.getPattern(ctx, this);
+        needRestore = true;
+      }
+
+      if (this.contentVisible) {
+        if (this.pendingEOFill) {
+          ctx.fill("evenodd");
+          this.pendingEOFill = false;
+        } else {
+          ctx.fill();
+        }
+      }
+
+      if (needRestore) {
+        ctx.restore();
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+    },
+    eoFill: function CanvasGraphics_eoFill() {
+      this.pendingEOFill = true;
+      this.fill();
+    },
+    fillStroke: function CanvasGraphics_fillStroke() {
+      this.fill(false);
+      this.stroke(false);
+      this.consumePath();
+    },
+    eoFillStroke: function CanvasGraphics_eoFillStroke() {
+      this.pendingEOFill = true;
+      this.fillStroke();
+    },
+    closeFillStroke: function CanvasGraphics_closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    },
+    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+      this.pendingEOFill = true;
+      this.closePath();
+      this.fillStroke();
+    },
+    endPath: function CanvasGraphics_endPath() {
+      this.consumePath();
+    },
+    clip: function CanvasGraphics_clip() {
+      this.pendingClip = NORMAL_CLIP;
+    },
+    eoClip: function CanvasGraphics_eoClip() {
+      this.pendingClip = EO_CLIP;
+    },
+    beginText: function CanvasGraphics_beginText() {
+      this.current.textMatrix = _util.IDENTITY_MATRIX;
+      this.current.textMatrixScale = 1;
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    endText: function CanvasGraphics_endText() {
+      var paths = this.pendingTextPaths;
+      var ctx = this.ctx;
+
+      if (paths === undefined) {
+        ctx.beginPath();
+        return;
+      }
+
+      ctx.save();
+      ctx.beginPath();
+
+      for (var i = 0; i < paths.length; i++) {
+        var path = paths[i];
+        ctx.setTransform.apply(ctx, path.transform);
+        ctx.translate(path.x, path.y);
+        path.addToPath(ctx, path.fontSize);
+      }
+
+      ctx.restore();
+      ctx.clip();
+      ctx.beginPath();
+      delete this.pendingTextPaths;
+    },
+    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+      this.current.charSpacing = spacing;
+    },
+    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+      this.current.wordSpacing = spacing;
+    },
+    setHScale: function CanvasGraphics_setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    },
+    setLeading: function CanvasGraphics_setLeading(leading) {
+      this.current.leading = -leading;
+    },
+    setFont: function CanvasGraphics_setFont(fontRefName, size) {
+      var fontObj = this.commonObjs.get(fontRefName);
+      var current = this.current;
+
+      if (!fontObj) {
+        throw new Error("Can't find font for ".concat(fontRefName));
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+
+      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+        (0, _util.warn)("Invalid font matrix for font " + fontRefName);
+      }
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      this.current.font = fontObj;
+      this.current.fontSize = size;
+
+      if (fontObj.isType3Font) {
+        return;
+      }
+
+      var name = fontObj.loadedName || "sans-serif";
+      var bold = "normal";
+
+      if (fontObj.black) {
+        bold = "900";
+      } else if (fontObj.bold) {
+        bold = "bold";
+      }
+
+      var italic = fontObj.italic ? "italic" : "normal";
+      var typeface = "\"".concat(name, "\", ").concat(fontObj.fallbackName);
+      var browserFontSize = size;
+
+      if (size < MIN_FONT_SIZE) {
+        browserFontSize = MIN_FONT_SIZE;
+      } else if (size > MAX_FONT_SIZE) {
+        browserFontSize = MAX_FONT_SIZE;
+      }
+
+      this.current.fontSizeScale = size / browserFontSize;
+      this.ctx.font = "".concat(italic, " ").concat(bold, " ").concat(browserFontSize, "px ").concat(typeface);
+    },
+    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+      this.current.textRenderingMode = mode;
+    },
+    setTextRise: function CanvasGraphics_setTextRise(rise) {
+      this.current.textRise = rise;
+    },
+    moveText: function CanvasGraphics_moveText(x, y) {
+      this.current.x = this.current.lineX += x;
+      this.current.y = this.current.lineY += y;
+    },
+    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    },
+    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+      this.current.textMatrix = [a, b, c, d, e, f];
+      this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    nextLine: function CanvasGraphics_nextLine() {
+      this.moveText(0, this.current.leading);
+    },
+    paintChar: function paintChar(character, x, y, patternTransform) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var textRenderingMode = current.textRenderingMode;
+      var fontSize = current.fontSize / current.fontSizeScale;
+      var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+      var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+      var patternFill = current.patternFill && !font.missingFile;
+      var addToPath;
+
+      if (font.disableFontFace || isAddToPathSet || patternFill) {
+        addToPath = font.getPathGenerator(this.commonObjs, character);
+      }
+
+      if (font.disableFontFace || patternFill) {
+        ctx.save();
+        ctx.translate(x, y);
+        ctx.beginPath();
+        addToPath(ctx, fontSize);
+
+        if (patternTransform) {
+          ctx.setTransform.apply(ctx, patternTransform);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fill();
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.stroke();
+        }
+
+        ctx.restore();
+      } else {
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fillText(character, x, y);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.strokeText(character, x, y);
+        }
+      }
+
+      if (isAddToPathSet) {
+        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+        paths.push({
+          transform: ctx.mozCurrentTransform,
+          x: x,
+          y: y,
+          fontSize: fontSize,
+          addToPath: addToPath
+        });
+      }
+    },
+
+    get isFontSubpixelAAEnabled() {
+      var _this$cachedCanvases$ = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10),
+          ctx = _this$cachedCanvases$.context;
+
+      ctx.scale(1.5, 1);
+      ctx.fillText("I", 0, 10);
+      var data = ctx.getImageData(0, 0, 10, 10).data;
+      var enabled = false;
+
+      for (var i = 3; i < data.length; i += 4) {
+        if (data[i] > 0 && data[i] < 255) {
+          enabled = true;
+          break;
+        }
+      }
+
+      return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
+    },
+
+    showText: function CanvasGraphics_showText(glyphs) {
+      var current = this.current;
+      var font = current.font;
+
+      if (font.isType3Font) {
+        return this.showType3Text(glyphs);
+      }
+
+      var fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return undefined;
+      }
+
+      var ctx = this.ctx;
+      var fontSizeScale = current.fontSizeScale;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var fontDirection = current.fontDirection;
+      var textHScale = current.textHScale * fontDirection;
+      var glyphsLength = glyphs.length;
+      var vertical = font.vertical;
+      var spacingDir = vertical ? 1 : -1;
+      var defaultVMetrics = font.defaultVMetrics;
+      var widthAdvanceScale = fontSize * current.fontMatrix[0];
+      var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+      ctx.save();
+      var patternTransform;
+
+      if (current.patternFill) {
+        ctx.save();
+        var pattern = current.fillColor.getPattern(ctx, this);
+        patternTransform = ctx.mozCurrentTransform;
+        ctx.restore();
+        ctx.fillStyle = pattern;
+      }
+
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y + current.textRise);
+
+      if (fontDirection > 0) {
+        ctx.scale(textHScale, -1);
+      } else {
+        ctx.scale(textHScale, 1);
+      }
+
+      var lineWidth = current.lineWidth;
+      var scale = current.textMatrixScale;
+
+      if (scale === 0 || lineWidth === 0) {
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          this._cachedGetSinglePixelWidth = null;
+          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+        }
+      } else {
+        lineWidth /= scale;
+      }
+
+      if (fontSizeScale !== 1.0) {
+        ctx.scale(fontSizeScale, fontSizeScale);
+        lineWidth /= fontSizeScale;
+      }
+
+      ctx.lineWidth = lineWidth;
+      var x = 0,
+          i;
+
+      for (i = 0; i < glyphsLength; ++i) {
+        var glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        var restoreNeeded = false;
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var character = glyph.fontChar;
+        var accent = glyph.accent;
+        var scaledX, scaledY, scaledAccentX, scaledAccentY;
+        var width = glyph.width;
+
+        if (vertical) {
+          var vmetric, vx, vy;
+          vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (font.remeasure && width > 0) {
+          var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
+
+          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+            var characterScaleX = width / measuredWidth;
+            restoreNeeded = true;
+            ctx.save();
+            ctx.scale(characterScaleX, 1);
+            scaledX /= characterScaleX;
+          } else if (width !== measuredWidth) {
+            scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
+          }
+        }
+
+        if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
+          if (simpleFillText && !accent) {
+            ctx.fillText(character, scaledX, scaledY);
+          } else {
+            this.paintChar(character, scaledX, scaledY, patternTransform);
+
+            if (accent) {
+              scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
+              scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
+              this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+            }
+          }
+        }
+
+        var charWidth;
+
+        if (vertical) {
+          charWidth = width * widthAdvanceScale - spacing * fontDirection;
+        } else {
+          charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        }
+
+        x += charWidth;
+
+        if (restoreNeeded) {
+          ctx.restore();
+        }
+      }
+
+      if (vertical) {
+        current.y -= x;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      ctx.restore();
+    },
+    showType3Text: function CanvasGraphics_showType3Text(glyphs) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var fontSize = current.fontSize;
+      var fontDirection = current.fontDirection;
+      var spacingDir = font.vertical ? 1 : -1;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var textHScale = current.textHScale * fontDirection;
+      var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      var glyphsLength = glyphs.length;
+      var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+      var i, glyph, width, spacingLength;
+
+      if (isTextInvisible || fontSize === 0) {
+        return;
+      }
+
+      this._cachedGetSinglePixelWidth = null;
+      ctx.save();
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y);
+      ctx.scale(textHScale, fontDirection);
+
+      for (i = 0; i < glyphsLength; ++i) {
+        glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          spacingLength = spacingDir * glyph * fontSize / 1000;
+          this.ctx.translate(spacingLength, 0);
+          current.x += spacingLength * textHScale;
+          continue;
+        }
+
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var operatorList = font.charProcOperatorList[glyph.operatorListId];
+
+        if (!operatorList) {
+          (0, _util.warn)("Type3 character \"".concat(glyph.operatorListId, "\" is not available."));
+          continue;
+        }
+
+        if (this.contentVisible) {
+          this.processingType3 = glyph;
+          this.save();
+          ctx.scale(fontSize, fontSize);
+          ctx.transform.apply(ctx, fontMatrix);
+          this.executeOperatorList(operatorList);
+          this.restore();
+        }
+
+        var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
+
+        width = transformed[0] * fontSize + spacing;
+        ctx.translate(width, 0);
+        current.x += width * textHScale;
+      }
+
+      ctx.restore();
+      this.processingType3 = null;
+    },
+    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
+    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+      this.ctx.rect(llx, lly, urx - llx, ury - lly);
+      this.clip();
+      this.endPath();
+    },
+    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+      var _this = this;
+
+      var pattern;
+
+      if (IR[0] === "TilingPattern") {
+        var color = IR[1];
+        var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
+        var canvasGraphicsFactory = {
+          createCanvasGraphics: function createCanvasGraphics(ctx) {
+            return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory, _this.webGLContext);
+          }
+        };
+        pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+      } else {
+        pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
+      }
+
+      return pattern;
+    },
+    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
+      this.current.strokeColor = this.getColorN_Pattern(arguments);
+    },
+    setFillColorN: function CanvasGraphics_setFillColorN() {
+      this.current.fillColor = this.getColorN_Pattern(arguments);
+      this.current.patternFill = true;
+    },
+    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.strokeStyle = color;
+      this.current.strokeColor = color;
+    },
+    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.fillStyle = color;
+      this.current.fillColor = color;
+      this.current.patternFill = false;
+    },
+    shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      this.save();
+      var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
+      ctx.fillStyle = pattern.getPattern(ctx, this, true);
+      var inv = ctx.mozCurrentTransformInverse;
+
+      if (inv) {
+        var canvas = ctx.canvas;
+        var width = canvas.width;
+        var height = canvas.height;
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+      } else {
+        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+      }
+
+      this.restore();
+    },
+    beginInlineImage: function CanvasGraphics_beginInlineImage() {
+      (0, _util.unreachable)("Should not call beginInlineImage");
+    },
+    beginImageData: function CanvasGraphics_beginImageData() {
+      (0, _util.unreachable)("Should not call beginImageData");
+    },
+    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      this.baseTransformStack.push(this.baseTransform);
+
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform.apply(this, matrix);
+      }
+
+      this.baseTransform = this.ctx.mozCurrentTransform;
+
+      if (bbox) {
+        var width = bbox[2] - bbox[0];
+        var height = bbox[3] - bbox[1];
+        this.ctx.rect(bbox[0], bbox[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+    },
+    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.restore();
+      this.baseTransform = this.baseTransformStack.pop();
+    },
+    beginGroup: function CanvasGraphics_beginGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      var currentCtx = this.ctx;
+
+      if (!group.isolated) {
+        (0, _util.info)("TODO: Support non-isolated groups.");
+      }
+
+      if (group.knockout) {
+        (0, _util.warn)("Knockout groups not supported.");
+      }
+
+      var currentTransform = currentCtx.mozCurrentTransform;
+
+      if (group.matrix) {
+        currentCtx.transform.apply(currentCtx, group.matrix);
+      }
+
+      if (!group.bbox) {
+        throw new Error("Bounding box is required.");
+      }
+
+      var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
+
+      var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+      bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+      var offsetX = Math.floor(bounds[0]);
+      var offsetY = Math.floor(bounds[1]);
+      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+      var scaleX = 1,
+          scaleY = 1;
+
+      if (drawnWidth > MAX_GROUP_SIZE) {
+        scaleX = drawnWidth / MAX_GROUP_SIZE;
+        drawnWidth = MAX_GROUP_SIZE;
+      }
+
+      if (drawnHeight > MAX_GROUP_SIZE) {
+        scaleY = drawnHeight / MAX_GROUP_SIZE;
+        drawnHeight = MAX_GROUP_SIZE;
+      }
+
+      var cacheId = "groupAt" + this.groupLevel;
+
+      if (group.smask) {
+        cacheId += "_smask_" + this.smaskCounter++ % 2;
+      }
+
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / scaleX, 1 / scaleY);
+      groupCtx.translate(-offsetX, -offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+
+      if (group.smask) {
+        this.smaskStack.push({
+          canvas: scratchCanvas.canvas,
+          context: groupCtx,
+          offsetX: offsetX,
+          offsetY: offsetY,
+          scaleX: scaleX,
+          scaleY: scaleY,
+          subtype: group.smask.subtype,
+          backdrop: group.smask.backdrop,
+          transferMap: group.smask.transferMap || null,
+          startTransformInverse: null
+        });
+      } else {
+        currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+        currentCtx.translate(offsetX, offsetY);
+        currentCtx.scale(scaleX, scaleY);
+      }
+
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+      this.current.activeSMask = null;
+    },
+    endGroup: function CanvasGraphics_endGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.groupLevel--;
+      var groupCtx = this.ctx;
+      this.ctx = this.groupStack.pop();
+
+      if (this.ctx.imageSmoothingEnabled !== undefined) {
+        this.ctx.imageSmoothingEnabled = false;
+      } else {
+        this.ctx.mozImageSmoothingEnabled = false;
+      }
+
+      if (group.smask) {
+        this.tempSMask = this.smaskStack.pop();
+      } else {
+        this.ctx.drawImage(groupCtx.canvas, 0, 0);
+      }
+
+      this.restore();
+    },
+    beginAnnotations: function CanvasGraphics_beginAnnotations() {
+      this.save();
+
+      if (this.baseTransform) {
+        this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+      }
+    },
+    endAnnotations: function CanvasGraphics_endAnnotations() {
+      this.restore();
+    },
+    beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
+      this.save();
+      resetCtxToDefault(this.ctx);
+      this.current = new CanvasExtraState();
+
+      if (Array.isArray(rect) && rect.length === 4) {
+        var width = rect[2] - rect[0];
+        var height = rect[3] - rect[1];
+        this.ctx.rect(rect[0], rect[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+
+      this.transform.apply(this, transform);
+      this.transform.apply(this, matrix);
+    },
+    endAnnotation: function CanvasGraphics_endAnnotation() {
+      this.restore();
+    },
+    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var width = img.width,
+          height = img.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var glyph = this.processingType3;
+
+      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+          glyph.compiled = compileType3Glyph({
+            data: img.data,
+            width: width,
+            height: height
+          });
+        } else {
+          glyph.compiled = null;
+        }
+      }
+
+      if (glyph && glyph.compiled) {
+        glyph.compiled(ctx);
+        return;
+      }
+
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, img);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      this.paintInlineImageXObject(maskCanvas.canvas);
+    },
+    paintImageMaskXObjectRepeat: function paintImageMaskXObjectRepeat(imgData, scaleX) {
+      var skewX = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+      var skewY = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
+      var scaleY = arguments.length > 4 ? arguments[4] : undefined;
+      var positions = arguments.length > 5 ? arguments[5] : undefined;
+
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, imgData);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      var ctx = this.ctx;
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        ctx.save();
+        ctx.transform(scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+
+      for (var i = 0, ii = images.length; i < ii; i++) {
+        var image = images[i];
+        var width = image.width,
+            height = image.height;
+        var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+        var maskCtx = maskCanvas.context;
+        maskCtx.save();
+        putBinaryImageMask(maskCtx, image);
+        maskCtx.globalCompositeOperation = "source-in";
+        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+        maskCtx.fillRect(0, 0, width, height);
+        maskCtx.restore();
+        ctx.save();
+        ctx.transform.apply(ctx, image.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    },
+    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var map = [];
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        map.push({
+          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
+          x: 0,
+          y: 0,
+          w: width,
+          h: height
+        });
+      }
+
+      this.paintInlineImageXObjectGroup(imgData, map);
+    },
+    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var ctx = this.ctx;
+      this.save();
+      ctx.scale(1 / width, -1 / height);
+      var currentTransform = ctx.mozCurrentTransformInverse;
+      var a = currentTransform[0],
+          b = currentTransform[1];
+      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+      var c = currentTransform[2],
+          d = currentTransform[3];
+      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+      var imgToPaint, tmpCanvas;
+
+      if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
+        imgToPaint = imgData;
+      } else {
+        tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
+        var tmpCtx = tmpCanvas.context;
+        putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+        imgToPaint = tmpCanvas.canvas;
+      }
+
+      var paintWidth = width,
+          paintHeight = height;
+      var tmpCanvasId = "prescale1";
+
+      while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+        var newWidth = paintWidth,
+            newHeight = paintHeight;
+
+        if (widthScale > 2 && paintWidth > 1) {
+          newWidth = Math.ceil(paintWidth / 2);
+          widthScale /= paintWidth / newWidth;
+        }
+
+        if (heightScale > 2 && paintHeight > 1) {
+          newHeight = Math.ceil(paintHeight / 2);
+          heightScale /= paintHeight / newHeight;
+        }
+
+        tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
+        tmpCtx = tmpCanvas.context;
+        tmpCtx.clearRect(0, 0, newWidth, newHeight);
+        tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+        imgToPaint = tmpCanvas.canvas;
+        paintWidth = newWidth;
+        paintHeight = newHeight;
+        tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
+      }
+
+      ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+
+      if (this.imageLayer) {
+        var position = this.getCanvasPosition(0, -height);
+        this.imageLayer.appendImage({
+          imgData: imgData,
+          left: position[0],
+          top: position[1],
+          width: width / currentTransform[0],
+          height: height / currentTransform[3]
+        });
+      }
+
+      this.restore();
+    },
+    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var w = imgData.width;
+      var h = imgData.height;
+      var tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
+      var tmpCtx = tmpCanvas.context;
+      putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+
+      for (var i = 0, ii = map.length; i < ii; i++) {
+        var entry = map[i];
+        ctx.save();
+        ctx.transform.apply(ctx, entry.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
+        if (this.imageLayer) {
+          var position = this.getCanvasPosition(entry.x, entry.y);
+          this.imageLayer.appendImage({
+            imgData: imgData,
+            left: position[0],
+            top: position[1],
+            width: w,
+            height: h
+          });
+        }
+
+        ctx.restore();
+      }
+    },
+    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.ctx.fillRect(0, 0, 1, 1);
+    },
+    markPoint: function CanvasGraphics_markPoint(tag) {},
+    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
+    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
+      this.markedContentStack.push({
+        visible: true
+      });
+    },
+    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
+      if (tag === "OC") {
+        this.markedContentStack.push({
+          visible: this.optionalContentConfig.isVisible(properties)
+        });
+      } else {
+        this.markedContentStack.push({
+          visible: true
+        });
+      }
+
+      this.contentVisible = this.isContentVisible();
+    },
+    endMarkedContent: function CanvasGraphics_endMarkedContent() {
+      this.markedContentStack.pop();
+      this.contentVisible = this.isContentVisible();
+    },
+    beginCompat: function CanvasGraphics_beginCompat() {},
+    endCompat: function CanvasGraphics_endCompat() {},
+    consumePath: function CanvasGraphics_consumePath() {
+      var ctx = this.ctx;
+
+      if (this.pendingClip) {
+        if (this.pendingClip === EO_CLIP) {
+          ctx.clip("evenodd");
+        } else {
+          ctx.clip();
+        }
+
+        this.pendingClip = null;
+      }
+
+      ctx.beginPath();
+    },
+    getSinglePixelWidth: function getSinglePixelWidth(scale) {
+      if (this._cachedGetSinglePixelWidth === null) {
+        var inverse = this.ctx.mozCurrentTransformInverse;
+        this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
+      }
+
+      return this._cachedGetSinglePixelWidth;
+    },
+    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+      var transform = this.ctx.mozCurrentTransform;
+      return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+    },
+    isContentVisible: function CanvasGraphics_isContentVisible() {
+      for (var i = this.markedContentStack.length - 1; i >= 0; i--) {
+        if (!this.markedContentStack[i].visible) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  };
+
+  for (var op in _util.OPS) {
+    CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+  }
+
+  return CanvasGraphics;
+}();
+
+exports.CanvasGraphics = CanvasGraphics;
+
+/***/ }),
+/* 208 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var ShadingIRs = {};
+
+function applyBoundingBox(ctx, bbox) {
+  if (!bbox || typeof Path2D === "undefined") {
+    return;
+  }
+
+  var width = bbox[2] - bbox[0];
+  var height = bbox[3] - bbox[1];
+  var region = new Path2D();
+  region.rect(bbox[0], bbox[1], width, height);
+  ctx.clip(region);
+}
+
+ShadingIRs.RadialAxial = {
+  fromIR: function RadialAxial_fromIR(raw) {
+    var type = raw[1];
+    var bbox = raw[2];
+    var colorStops = raw[3];
+    var p0 = raw[4];
+    var p1 = raw[5];
+    var r0 = raw[6];
+    var r1 = raw[7];
+    return {
+      type: "Pattern",
+      getPattern: function RadialAxial_getPattern(ctx) {
+        applyBoundingBox(ctx, bbox);
+        var grad;
+
+        if (type === "axial") {
+          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+        } else if (type === "radial") {
+          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+        }
+
+        for (var i = 0, ii = colorStops.length; i < ii; ++i) {
+          var c = colorStops[i];
+          grad.addColorStop(c[0], c[1]);
+        }
+
+        return grad;
+      }
+    };
+  }
+};
+
+var createMeshCanvas = function createMeshCanvasClosure() {
+  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+    var coords = context.coords,
+        colors = context.colors;
+    var bytes = data.data,
+        rowSize = data.width * 4;
+    var tmp;
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    if (coords[p2 + 1] > coords[p3 + 1]) {
+      tmp = p2;
+      p2 = p3;
+      p3 = tmp;
+      tmp = c2;
+      c2 = c3;
+      c3 = tmp;
+    }
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    var x1 = (coords[p1] + context.offsetX) * context.scaleX;
+    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+    var x2 = (coords[p2] + context.offsetX) * context.scaleX;
+    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+    var x3 = (coords[p3] + context.offsetX) * context.scaleX;
+    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+
+    if (y1 >= y3) {
+      return;
+    }
+
+    var c1r = colors[c1],
+        c1g = colors[c1 + 1],
+        c1b = colors[c1 + 2];
+    var c2r = colors[c2],
+        c2g = colors[c2 + 1],
+        c2b = colors[c2 + 2];
+    var c3r = colors[c3],
+        c3g = colors[c3 + 1],
+        c3b = colors[c3 + 2];
+    var minY = Math.round(y1),
+        maxY = Math.round(y3);
+    var xa, car, cag, cab;
+    var xb, cbr, cbg, cbb;
+
+    for (var y = minY; y <= maxY; y++) {
+      if (y < y2) {
+        var _k = void 0;
+
+        if (y < y1) {
+          _k = 0;
+        } else if (y1 === y2) {
+          _k = 1;
+        } else {
+          _k = (y1 - y) / (y1 - y2);
+        }
+
+        xa = x1 - (x1 - x2) * _k;
+        car = c1r - (c1r - c2r) * _k;
+        cag = c1g - (c1g - c2g) * _k;
+        cab = c1b - (c1b - c2b) * _k;
+      } else {
+        var _k2 = void 0;
+
+        if (y > y3) {
+          _k2 = 1;
+        } else if (y2 === y3) {
+          _k2 = 0;
+        } else {
+          _k2 = (y2 - y) / (y2 - y3);
+        }
+
+        xa = x2 - (x2 - x3) * _k2;
+        car = c2r - (c2r - c3r) * _k2;
+        cag = c2g - (c2g - c3g) * _k2;
+        cab = c2b - (c2b - c3b) * _k2;
+      }
+
+      var k = void 0;
+
+      if (y < y1) {
+        k = 0;
+      } else if (y > y3) {
+        k = 1;
+      } else {
+        k = (y1 - y) / (y1 - y3);
+      }
+
+      xb = x1 - (x1 - x3) * k;
+      cbr = c1r - (c1r - c3r) * k;
+      cbg = c1g - (c1g - c3g) * k;
+      cbb = c1b - (c1b - c3b) * k;
+      var x1_ = Math.round(Math.min(xa, xb));
+      var x2_ = Math.round(Math.max(xa, xb));
+      var j = rowSize * y + x1_ * 4;
+
+      for (var x = x1_; x <= x2_; x++) {
+        k = (xa - x) / (xa - xb);
+
+        if (k < 0) {
+          k = 0;
+        } else if (k > 1) {
+          k = 1;
+        }
+
+        bytes[j++] = car - (car - cbr) * k | 0;
+        bytes[j++] = cag - (cag - cbg) * k | 0;
+        bytes[j++] = cab - (cab - cbb) * k | 0;
+        bytes[j++] = 255;
+      }
+    }
+  }
+
+  function drawFigure(data, figure, context) {
+    var ps = figure.coords;
+    var cs = figure.colors;
+    var i, ii;
+
+    switch (figure.type) {
+      case "lattice":
+        var verticesPerRow = figure.verticesPerRow;
+        var rows = Math.floor(ps.length / verticesPerRow) - 1;
+        var cols = verticesPerRow - 1;
+
+        for (i = 0; i < rows; i++) {
+          var q = i * verticesPerRow;
+
+          for (var j = 0; j < cols; j++, q++) {
+            drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
+            drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
+          }
+        }
+
+        break;
+
+      case "triangles":
+        for (i = 0, ii = ps.length; i < ii; i += 3) {
+          drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
+        }
+
+        break;
+
+      default:
+        throw new Error("illegal figure");
+    }
+  }
+
+  function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
+    var EXPECTED_SCALE = 1.1;
+    var MAX_PATTERN_SIZE = 3000;
+    var BORDER_SIZE = 2;
+    var offsetX = Math.floor(bounds[0]);
+    var offsetY = Math.floor(bounds[1]);
+    var boundsWidth = Math.ceil(bounds[2]) - offsetX;
+    var boundsHeight = Math.ceil(bounds[3]) - offsetY;
+    var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var scaleX = boundsWidth / width;
+    var scaleY = boundsHeight / height;
+    var context = {
+      coords: coords,
+      colors: colors,
+      offsetX: -offsetX,
+      offsetY: -offsetY,
+      scaleX: 1 / scaleX,
+      scaleY: 1 / scaleY
+    };
+    var paddedWidth = width + BORDER_SIZE * 2;
+    var paddedHeight = height + BORDER_SIZE * 2;
+    var canvas, tmpCanvas, i, ii;
+
+    if (webGLContext.isEnabled) {
+      canvas = webGLContext.drawFigures({
+        width: width,
+        height: height,
+        backgroundColor: backgroundColor,
+        figures: figures,
+        context: context
+      });
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    } else {
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      var tmpCtx = tmpCanvas.context;
+      var data = tmpCtx.createImageData(width, height);
+
+      if (backgroundColor) {
+        var bytes = data.data;
+
+        for (i = 0, ii = bytes.length; i < ii; i += 4) {
+          bytes[i] = backgroundColor[0];
+          bytes[i + 1] = backgroundColor[1];
+          bytes[i + 2] = backgroundColor[2];
+          bytes[i + 3] = 255;
+        }
+      }
+
+      for (i = 0; i < figures.length; i++) {
+        drawFigure(data, figures[i], context);
+      }
+
+      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    }
+
+    return {
+      canvas: canvas,
+      offsetX: offsetX - BORDER_SIZE * scaleX,
+      offsetY: offsetY - BORDER_SIZE * scaleY,
+      scaleX: scaleX,
+      scaleY: scaleY
+    };
+  }
+
+  return createMeshCanvas;
+}();
+
+ShadingIRs.Mesh = {
+  fromIR: function Mesh_fromIR(raw) {
+    var coords = raw[2];
+    var colors = raw[3];
+    var figures = raw[4];
+    var bounds = raw[5];
+    var matrix = raw[6];
+    var bbox = raw[7];
+    var background = raw[8];
+    return {
+      type: "Pattern",
+      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+        applyBoundingBox(ctx, bbox);
+        var scale;
+
+        if (shadingFill) {
+          scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+        } else {
+          scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+          if (matrix) {
+            var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
+
+            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
+          }
+        }
+
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
+
+        if (!shadingFill) {
+          ctx.setTransform.apply(ctx, owner.baseTransform);
+
+          if (matrix) {
+            ctx.transform.apply(ctx, matrix);
+          }
+        }
+
+        ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+        return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
+      }
+    };
+  }
+};
+ShadingIRs.Dummy = {
+  fromIR: function Dummy_fromIR() {
+    return {
+      type: "Pattern",
+      getPattern: function Dummy_fromIR_getPattern() {
+        return "hotpink";
+      }
+    };
+  }
+};
+
+function getShadingPatternFromIR(raw) {
+  var shadingIR = ShadingIRs[raw[0]];
+
+  if (!shadingIR) {
+    throw new Error("Unknown IR type: ".concat(raw[0]));
+  }
+
+  return shadingIR.fromIR(raw);
+}
+
+var TilingPattern = function TilingPatternClosure() {
+  var PaintType = {
+    COLORED: 1,
+    UNCOLORED: 2
+  };
+  var MAX_PATTERN_SIZE = 3000;
+
+  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+    this.operatorList = IR[2];
+    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+    this.bbox = IR[4];
+    this.xstep = IR[5];
+    this.ystep = IR[6];
+    this.paintType = IR[7];
+    this.tilingType = IR[8];
+    this.color = color;
+    this.canvasGraphicsFactory = canvasGraphicsFactory;
+    this.baseTransform = baseTransform;
+    this.type = "Pattern";
+    this.ctx = ctx;
+  }
+
+  TilingPattern.prototype = {
+    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+      var operatorList = this.operatorList;
+      var bbox = this.bbox;
+      var xstep = this.xstep;
+      var ystep = this.ystep;
+      var paintType = this.paintType;
+      var tilingType = this.tilingType;
+      var color = this.color;
+      var canvasGraphicsFactory = this.canvasGraphicsFactory;
+      (0, _util.info)("TilingType: " + tilingType);
+      var x0 = bbox[0],
+          y0 = bbox[1],
+          x1 = bbox[2],
+          y1 = bbox[3];
+
+      var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+      var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+      var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+      var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+      var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+      var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
+      var tmpCtx = tmpCanvas.context;
+      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+      graphics.groupLevel = owner.groupLevel;
+      this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+      graphics.transform(1, 0, 0, 1, -x0, -y0);
+      this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+      graphics.executeOperatorList(operatorList);
+      this.ctx.transform(1, 0, 0, 1, x0, y0);
+      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
+      return tmpCanvas.canvas;
+    },
+    getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
+      step = Math.abs(step);
+      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
+      var size = Math.ceil(step * scale);
+
+      if (size >= maxSize) {
+        size = maxSize;
+      } else {
+        scale = size / step;
+      }
+
+      return {
+        scale: scale,
+        size: size
+      };
+    },
+    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+      if (Array.isArray(bbox) && bbox.length === 4) {
+        var bboxWidth = x1 - x0;
+        var bboxHeight = y1 - y0;
+        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+        graphics.clip();
+        graphics.endPath();
+      }
+    },
+    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
+      var context = graphics.ctx,
+          current = graphics.current;
+
+      switch (paintType) {
+        case PaintType.COLORED:
+          var ctx = this.ctx;
+          context.fillStyle = ctx.fillStyle;
+          context.strokeStyle = ctx.strokeStyle;
+          current.fillColor = ctx.fillStyle;
+          current.strokeColor = ctx.strokeStyle;
+          break;
+
+        case PaintType.UNCOLORED:
+          var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
+
+          context.fillStyle = cssColor;
+          context.strokeStyle = cssColor;
+          current.fillColor = cssColor;
+          current.strokeColor = cssColor;
+          break;
+
+        default:
+          throw new _util.FormatError("Unsupported paint type: ".concat(paintType));
+      }
+    },
+    getPattern: function TilingPattern_getPattern(ctx, owner) {
+      ctx = this.ctx;
+      ctx.setTransform.apply(ctx, this.baseTransform);
+      ctx.transform.apply(ctx, this.matrix);
+      var temporaryPatternCanvas = this.createPatternCanvas(owner);
+      return ctx.createPattern(temporaryPatternCanvas, "repeat");
+    }
+  };
+  return TilingPattern;
+}();
+
+exports.TilingPattern = TilingPattern;
+
+/***/ }),
+/* 209 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalWorkerOptions = void 0;
+var GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
+
+/***/ }),
+/* 210 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var CallbackKind = {
+  UNKNOWN: 0,
+  DATA: 1,
+  ERROR: 2
+};
+var StreamKind = {
+  UNKNOWN: 0,
+  CANCEL: 1,
+  CANCEL_COMPLETE: 2,
+  CLOSE: 3,
+  ENQUEUE: 4,
+  ERROR: 5,
+  PULL: 6,
+  PULL_COMPLETE: 7,
+  START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+  if (_typeof(reason) !== "object" || reason === null) {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case "AbortException":
+      return new _util.AbortException(reason.message);
+
+    case "MissingPDFException":
+      return new _util.MissingPDFException(reason.message);
+
+    case "UnexpectedResponseException":
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    case "UnknownErrorException":
+      return new _util.UnknownErrorException(reason.message, reason.details);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.toString());
+  }
+}
+
+var MessageHandler = /*#__PURE__*/function () {
+  function MessageHandler(sourceName, targetName, comObj) {
+    var _this = this;
+
+    _classCallCheck(this, MessageHandler);
+
+    this.sourceName = sourceName;
+    this.targetName = targetName;
+    this.comObj = comObj;
+    this.callbackId = 1;
+    this.streamId = 1;
+    this.postMessageTransfers = true;
+    this.streamSinks = Object.create(null);
+    this.streamControllers = Object.create(null);
+    this.callbackCapabilities = Object.create(null);
+    this.actionHandler = Object.create(null);
+
+    this._onComObjOnMessage = function (event) {
+      var data = event.data;
+
+      if (data.targetName !== _this.sourceName) {
+        return;
+      }
+
+      if (data.stream) {
+        _this._processStreamMessage(data);
+
+        return;
+      }
+
+      if (data.callback) {
+        var callbackId = data.callbackId;
+        var capability = _this.callbackCapabilities[callbackId];
+
+        if (!capability) {
+          throw new Error("Cannot resolve callback ".concat(callbackId));
+        }
+
+        delete _this.callbackCapabilities[callbackId];
+
+        if (data.callback === CallbackKind.DATA) {
+          capability.resolve(data.data);
+        } else if (data.callback === CallbackKind.ERROR) {
+          capability.reject(wrapReason(data.reason));
+        } else {
+          throw new Error("Unexpected callback case");
+        }
+
+        return;
+      }
+
+      var action = _this.actionHandler[data.action];
+
+      if (!action) {
+        throw new Error("Unknown action from worker: ".concat(data.action));
+      }
+
+      if (data.callbackId) {
+        var cbSourceName = _this.sourceName;
+        var cbTargetName = data.sourceName;
+        new Promise(function (resolve) {
+          resolve(action(data.data));
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.DATA,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.ERROR,
+            callbackId: data.callbackId,
+            reason: wrapReason(reason)
+          });
+        });
+        return;
+      }
+
+      if (data.streamId) {
+        _this._createStreamSink(data);
+
+        return;
+      }
+
+      action(data.data);
+    };
+
+    comObj.addEventListener("message", this._onComObjOnMessage);
+  }
+
+  _createClass(MessageHandler, [{
+    key: "on",
+    value: function on(actionName, handler) {
+      var ah = this.actionHandler;
+
+      if (ah[actionName]) {
+        throw new Error("There is already an actionName called \"".concat(actionName, "\""));
+      }
+
+      ah[actionName] = handler;
+    }
+  }, {
+    key: "send",
+    value: function send(actionName, data, transfers) {
+      this._postMessage({
+        sourceName: this.sourceName,
+        targetName: this.targetName,
+        action: actionName,
+        data: data
+      }, transfers);
+    }
+  }, {
+    key: "sendWithPromise",
+    value: function sendWithPromise(actionName, data, transfers) {
+      var callbackId = this.callbackId++;
+      var capability = (0, _util.createPromiseCapability)();
+      this.callbackCapabilities[callbackId] = capability;
+
+      try {
+        this._postMessage({
+          sourceName: this.sourceName,
+          targetName: this.targetName,
+          action: actionName,
+          callbackId: callbackId,
+          data: data
+        }, transfers);
+      } catch (ex) {
+        capability.reject(ex);
+      }
+
+      return capability.promise;
+    }
+  }, {
+    key: "sendWithStream",
+    value: function sendWithStream(actionName, data, queueingStrategy, transfers) {
+      var _this2 = this;
+
+      var streamId = this.streamId++;
+      var sourceName = this.sourceName;
+      var targetName = this.targetName;
+      var comObj = this.comObj;
+      return new ReadableStream({
+        start: function start(controller) {
+          var startCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId] = {
+            controller: controller,
+            startCall: startCapability,
+            pullCall: null,
+            cancelCall: null,
+            isClosed: false
+          };
+
+          _this2._postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            action: actionName,
+            streamId: streamId,
+            data: data,
+            desiredSize: controller.desiredSize
+          }, transfers);
+
+          return startCapability.promise;
+        },
+        pull: function pull(controller) {
+          var pullCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId].pullCall = pullCapability;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.PULL,
+            streamId: streamId,
+            desiredSize: controller.desiredSize
+          });
+          return pullCapability.promise;
+        },
+        cancel: function cancel(reason) {
+          (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+          var cancelCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId].cancelCall = cancelCapability;
+          _this2.streamControllers[streamId].isClosed = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.CANCEL,
+            streamId: streamId,
+            reason: wrapReason(reason)
+          });
+          return cancelCapability.promise;
+        }
+      }, queueingStrategy);
+    }
+  }, {
+    key: "_createStreamSink",
+    value: function _createStreamSink(data) {
+      var self = this;
+      var action = this.actionHandler[data.action];
+      var streamId = data.streamId;
+      var sourceName = this.sourceName;
+      var targetName = data.sourceName;
+      var comObj = this.comObj;
+      var streamSink = {
+        enqueue: function enqueue(chunk) {
+          var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+          var transfers = arguments.length > 2 ? arguments[2] : undefined;
+
+          if (this.isCancelled) {
+            return;
+          }
+
+          var lastDesiredSize = this.desiredSize;
+          this.desiredSize -= size;
+
+          if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+            this.sinkCapability = (0, _util.createPromiseCapability)();
+            this.ready = this.sinkCapability.promise;
+          }
+
+          self._postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.ENQUEUE,
+            streamId: streamId,
+            chunk: chunk
+          }, transfers);
+        },
+        close: function close() {
+          if (this.isCancelled) {
+            return;
+          }
+
+          this.isCancelled = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.CLOSE,
+            streamId: streamId
+          });
+          delete self.streamSinks[streamId];
+        },
+        error: function error(reason) {
+          (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+          if (this.isCancelled) {
+            return;
+          }
+
+          this.isCancelled = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.ERROR,
+            streamId: streamId,
+            reason: wrapReason(reason)
+          });
+        },
+        sinkCapability: (0, _util.createPromiseCapability)(),
+        onPull: null,
+        onCancel: null,
+        isCancelled: false,
+        desiredSize: data.desiredSize,
+        ready: null
+      };
+      streamSink.sinkCapability.resolve();
+      streamSink.ready = streamSink.sinkCapability.promise;
+      this.streamSinks[streamId] = streamSink;
+      new Promise(function (resolve) {
+        resolve(action(data.data, streamSink));
+      }).then(function () {
+        comObj.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: StreamKind.START_COMPLETE,
+          streamId: streamId,
+          success: true
+        });
+      }, function (reason) {
+        comObj.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: StreamKind.START_COMPLETE,
+          streamId: streamId,
+          reason: wrapReason(reason)
+        });
+      });
+    }
+  }, {
+    key: "_processStreamMessage",
+    value: function _processStreamMessage(data) {
+      var streamId = data.streamId;
+      var sourceName = this.sourceName;
+      var targetName = data.sourceName;
+      var comObj = this.comObj;
+
+      switch (data.stream) {
+        case StreamKind.START_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].startCall.resolve();
+          } else {
+            this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+          }
+
+          break;
+
+        case StreamKind.PULL_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].pullCall.resolve();
+          } else {
+            this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+          }
+
+          break;
+
+        case StreamKind.PULL:
+          if (!this.streamSinks[streamId]) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+            break;
+          }
+
+          if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+            this.streamSinks[streamId].sinkCapability.resolve();
+          }
+
+          this.streamSinks[streamId].desiredSize = data.desiredSize;
+          var onPull = this.streamSinks[data.streamId].onPull;
+          new Promise(function (resolve) {
+            resolve(onPull && onPull());
+          }).then(function () {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+          }, function (reason) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              reason: wrapReason(reason)
+            });
+          });
+          break;
+
+        case StreamKind.ENQUEUE:
+          (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+          if (this.streamControllers[streamId].isClosed) {
+            break;
+          }
+
+          this.streamControllers[streamId].controller.enqueue(data.chunk);
+          break;
+
+        case StreamKind.CLOSE:
+          (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+          if (this.streamControllers[streamId].isClosed) {
+            break;
+          }
+
+          this.streamControllers[streamId].isClosed = true;
+          this.streamControllers[streamId].controller.close();
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.ERROR:
+          (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+          this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.CANCEL_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].cancelCall.resolve();
+          } else {
+            this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+          }
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.CANCEL:
+          if (!this.streamSinks[streamId]) {
+            break;
+          }
+
+          var onCancel = this.streamSinks[data.streamId].onCancel;
+          new Promise(function (resolve) {
+            resolve(onCancel && onCancel(wrapReason(data.reason)));
+          }).then(function () {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.CANCEL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+          }, function (reason) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.CANCEL_COMPLETE,
+              streamId: streamId,
+              reason: wrapReason(reason)
+            });
+          });
+          this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+          this.streamSinks[streamId].isCancelled = true;
+          delete this.streamSinks[streamId];
+          break;
+
+        default:
+          throw new Error("Unexpected stream case");
+      }
+    }
+  }, {
+    key: "_deleteStreamController",
+    value: function () {
+      var _deleteStreamController2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(streamId) {
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+                  return capability && capability.promise;
+                }));
+
+              case 2:
+                delete this.streamControllers[streamId];
+
+              case 3:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function _deleteStreamController(_x) {
+        return _deleteStreamController2.apply(this, arguments);
+      }
+
+      return _deleteStreamController;
+    }()
+  }, {
+    key: "_postMessage",
+    value: function _postMessage(message, transfers) {
+      if (transfers && this.postMessageTransfers) {
+        this.comObj.postMessage(message, transfers);
+      } else {
+        this.comObj.postMessage(message);
+      }
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.comObj.removeEventListener("message", this._onComObjOnMessage);
+    }
+  }]);
+
+  return MessageHandler;
+}();
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 211 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Metadata = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _xml_parser = __w_pdfjs_require__(212);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var Metadata = /*#__PURE__*/function () {
+  function Metadata(data) {
+    _classCallCheck(this, Metadata);
+
+    (0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
+    data = this._repair(data);
+    var parser = new _xml_parser.SimpleXMLParser();
+    var xmlDocument = parser.parseFromString(data);
+    this._metadataMap = new Map();
+
+    if (xmlDocument) {
+      this._parse(xmlDocument);
+    }
+  }
+
+  _createClass(Metadata, [{
+    key: "_repair",
+    value: function _repair(data) {
+      return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+        var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
+          return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+        }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
+          switch (name) {
+            case "amp":
+              return "&";
+
+            case "apos":
+              return "'";
+
+            case "gt":
+              return ">";
+
+            case "lt":
+              return "<";
+
+            case "quot":
+              return '"';
+          }
+
+          throw new Error("_repair: ".concat(name, " isn't defined."));
+        });
+        var chars = "";
+
+        for (var i = 0, ii = bytes.length; i < ii; i += 2) {
+          var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+
+          if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
+            chars += String.fromCharCode(code);
+          } else {
+            chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";";
+          }
+        }
+
+        return ">" + chars;
+      });
+    }
+  }, {
+    key: "_parse",
+    value: function _parse(xmlDocument) {
+      var rdf = xmlDocument.documentElement;
+
+      if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+        rdf = rdf.firstChild;
+
+        while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+          rdf = rdf.nextSibling;
+        }
+      }
+
+      var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+
+      if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
+        return;
+      }
+
+      var children = rdf.childNodes;
+
+      for (var i = 0, ii = children.length; i < ii; i++) {
+        var desc = children[i];
+
+        if (desc.nodeName.toLowerCase() !== "rdf:description") {
+          continue;
+        }
+
+        for (var j = 0, jj = desc.childNodes.length; j < jj; j++) {
+          if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
+            var entry = desc.childNodes[j];
+            var name = entry.nodeName.toLowerCase();
+
+            this._metadataMap.set(name, entry.textContent.trim());
+          }
+        }
+      }
+    }
+  }, {
+    key: "get",
+    value: function get(name) {
+      return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
+    }
+  }, {
+    key: "getAll",
+    value: function getAll() {
+      return Object.fromEntries(this._metadataMap);
+    }
+  }, {
+    key: "has",
+    value: function has(name) {
+      return this._metadataMap.has(name);
+    }
+  }]);
+
+  return Metadata;
+}();
+
+exports.Metadata = Metadata;
+
+/***/ }),
+/* 212 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleXMLParser = void 0;
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var XMLParserErrorCode = {
+  NoError: 0,
+  EndOfDocument: -1,
+  UnterminatedCdat: -2,
+  UnterminatedXmlDeclaration: -3,
+  UnterminatedDoctypeDeclaration: -4,
+  UnterminatedComment: -5,
+  MalformedElement: -6,
+  OutOfMemory: -7,
+  UnterminatedAttributeValue: -8,
+  UnterminatedElement: -9,
+  ElementNeverBegun: -10
+};
+
+function isWhitespace(s, index) {
+  var ch = s[index];
+  return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
+}
+
+function isWhitespaceString(s) {
+  for (var i = 0, ii = s.length; i < ii; i++) {
+    if (!isWhitespace(s, i)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+var XMLParserBase = /*#__PURE__*/function () {
+  function XMLParserBase() {
+    _classCallCheck(this, XMLParserBase);
+  }
+
+  _createClass(XMLParserBase, [{
+    key: "_resolveEntities",
+    value: function _resolveEntities(s) {
+      var _this = this;
+
+      return s.replace(/&([^;]+);/g, function (all, entity) {
+        if (entity.substring(0, 2) === "#x") {
+          return String.fromCharCode(parseInt(entity.substring(2), 16));
+        } else if (entity.substring(0, 1) === "#") {
+          return String.fromCharCode(parseInt(entity.substring(1), 10));
+        }
+
+        switch (entity) {
+          case "lt":
+            return "<";
+
+          case "gt":
+            return ">";
+
+          case "amp":
+            return "&";
+
+          case "quot":
+            return '"';
+        }
+
+        return _this.onResolveEntity(entity);
+      });
+    }
+  }, {
+    key: "_parseContent",
+    value: function _parseContent(s, start) {
+      var attributes = [];
+      var pos = start;
+
+      function skipWs() {
+        while (pos < s.length && isWhitespace(s, pos)) {
+          ++pos;
+        }
+      }
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+        ++pos;
+      }
+
+      var name = s.substring(start, pos);
+      skipWs();
+
+      while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
+        skipWs();
+        var attrName = "",
+            attrValue = "";
+
+        while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
+          attrName += s[pos];
+          ++pos;
+        }
+
+        skipWs();
+
+        if (s[pos] !== "=") {
+          return null;
+        }
+
+        ++pos;
+        skipWs();
+        var attrEndChar = s[pos];
+
+        if (attrEndChar !== '"' && attrEndChar !== "'") {
+          return null;
+        }
+
+        var attrEndIndex = s.indexOf(attrEndChar, ++pos);
+
+        if (attrEndIndex < 0) {
+          return null;
+        }
+
+        attrValue = s.substring(pos, attrEndIndex);
+        attributes.push({
+          name: attrName,
+          value: this._resolveEntities(attrValue)
+        });
+        pos = attrEndIndex + 1;
+        skipWs();
+      }
+
+      return {
+        name: name,
+        attributes: attributes,
+        parsed: pos - start
+      };
+    }
+  }, {
+    key: "_parseProcessingInstruction",
+    value: function _parseProcessingInstruction(s, start) {
+      var pos = start;
+
+      function skipWs() {
+        while (pos < s.length && isWhitespace(s, pos)) {
+          ++pos;
+        }
+      }
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+        ++pos;
+      }
+
+      var name = s.substring(start, pos);
+      skipWs();
+      var attrStart = pos;
+
+      while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
+        ++pos;
+      }
+
+      var value = s.substring(attrStart, pos);
+      return {
+        name: name,
+        value: value,
+        parsed: pos - start
+      };
+    }
+  }, {
+    key: "parseXml",
+    value: function parseXml(s) {
+      var i = 0;
+
+      while (i < s.length) {
+        var ch = s[i];
+        var j = i;
+
+        if (ch === "<") {
+          ++j;
+          var ch2 = s[j];
+          var q = void 0;
+
+          switch (ch2) {
+            case "/":
+              ++j;
+              q = s.indexOf(">", j);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedElement);
+                return;
+              }
+
+              this.onEndElement(s.substring(j, q));
+              j = q + 1;
+              break;
+
+            case "?":
+              ++j;
+
+              var pi = this._parseProcessingInstruction(s, j);
+
+              if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") {
+                this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
+                return;
+              }
+
+              this.onPi(pi.name, pi.value);
+              j += pi.parsed + 2;
+              break;
+
+            case "!":
+              if (s.substring(j + 1, j + 3) === "--") {
+                q = s.indexOf("-->", j + 3);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedComment);
+                  return;
+                }
+
+                this.onComment(s.substring(j + 3, q));
+                j = q + 3;
+              } else if (s.substring(j + 1, j + 8) === "[CDATA[") {
+                q = s.indexOf("]]>", j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedCdat);
+                  return;
+                }
+
+                this.onCdata(s.substring(j + 8, q));
+                j = q + 3;
+              } else if (s.substring(j + 1, j + 8) === "DOCTYPE") {
+                var q2 = s.indexOf("[", j + 8);
+                var complexDoctype = false;
+                q = s.indexOf(">", j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                  return;
+                }
+
+                if (q2 > 0 && q > q2) {
+                  q = s.indexOf("]>", j + 8);
+
+                  if (q < 0) {
+                    this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                    return;
+                  }
+
+                  complexDoctype = true;
+                }
+
+                var doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
+                this.onDoctype(doctypeContent);
+                j = q + (complexDoctype ? 2 : 1);
+              } else {
+                this.onError(XMLParserErrorCode.MalformedElement);
+                return;
+              }
+
+              break;
+
+            default:
+              var content = this._parseContent(s, j);
+
+              if (content === null) {
+                this.onError(XMLParserErrorCode.MalformedElement);
+                return;
+              }
+
+              var isClosed = false;
+
+              if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") {
+                isClosed = true;
+              } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") {
+                this.onError(XMLParserErrorCode.UnterminatedElement);
+                return;
+              }
+
+              this.onBeginElement(content.name, content.attributes, isClosed);
+              j += content.parsed + (isClosed ? 2 : 1);
+              break;
+          }
+        } else {
+          while (j < s.length && s[j] !== "<") {
+            j++;
+          }
+
+          var text = s.substring(i, j);
+          this.onText(this._resolveEntities(text));
+        }
+
+        i = j;
+      }
+    }
+  }, {
+    key: "onResolveEntity",
+    value: function onResolveEntity(name) {
+      return "&".concat(name, ";");
+    }
+  }, {
+    key: "onPi",
+    value: function onPi(name, value) {}
+  }, {
+    key: "onComment",
+    value: function onComment(text) {}
+  }, {
+    key: "onCdata",
+    value: function onCdata(text) {}
+  }, {
+    key: "onDoctype",
+    value: function onDoctype(doctypeContent) {}
+  }, {
+    key: "onText",
+    value: function onText(text) {}
+  }, {
+    key: "onBeginElement",
+    value: function onBeginElement(name, attributes, isEmpty) {}
+  }, {
+    key: "onEndElement",
+    value: function onEndElement(name) {}
+  }, {
+    key: "onError",
+    value: function onError(code) {}
+  }]);
+
+  return XMLParserBase;
+}();
+
+var SimpleDOMNode = /*#__PURE__*/function () {
+  function SimpleDOMNode(nodeName, nodeValue) {
+    _classCallCheck(this, SimpleDOMNode);
+
+    this.nodeName = nodeName;
+    this.nodeValue = nodeValue;
+    Object.defineProperty(this, "parentNode", {
+      value: null,
+      writable: true
+    });
+  }
+
+  _createClass(SimpleDOMNode, [{
+    key: "hasChildNodes",
+    value: function hasChildNodes() {
+      return this.childNodes && this.childNodes.length > 0;
+    }
+  }, {
+    key: "firstChild",
+    get: function get() {
+      return this.childNodes && this.childNodes[0];
+    }
+  }, {
+    key: "nextSibling",
+    get: function get() {
+      var childNodes = this.parentNode.childNodes;
+
+      if (!childNodes) {
+        return undefined;
+      }
+
+      var index = childNodes.indexOf(this);
+
+      if (index === -1) {
+        return undefined;
+      }
+
+      return childNodes[index + 1];
+    }
+  }, {
+    key: "textContent",
+    get: function get() {
+      if (!this.childNodes) {
+        return this.nodeValue || "";
+      }
+
+      return this.childNodes.map(function (child) {
+        return child.textContent;
+      }).join("");
+    }
+  }]);
+
+  return SimpleDOMNode;
+}();
+
+var SimpleXMLParser = /*#__PURE__*/function (_XMLParserBase) {
+  _inherits(SimpleXMLParser, _XMLParserBase);
+
+  var _super = _createSuper(SimpleXMLParser);
+
+  function SimpleXMLParser() {
+    var _this2;
+
+    _classCallCheck(this, SimpleXMLParser);
+
+    _this2 = _super.call(this);
+    _this2._currentFragment = null;
+    _this2._stack = null;
+    _this2._errorCode = XMLParserErrorCode.NoError;
+    return _this2;
+  }
+
+  _createClass(SimpleXMLParser, [{
+    key: "parseFromString",
+    value: function parseFromString(data) {
+      this._currentFragment = [];
+      this._stack = [];
+      this._errorCode = XMLParserErrorCode.NoError;
+      this.parseXml(data);
+
+      if (this._errorCode !== XMLParserErrorCode.NoError) {
+        return undefined;
+      }
+
+      var _this$_currentFragmen = _slicedToArray(this._currentFragment, 1),
+          documentElement = _this$_currentFragmen[0];
+
+      if (!documentElement) {
+        return undefined;
+      }
+
+      return {
+        documentElement: documentElement
+      };
+    }
+  }, {
+    key: "onResolveEntity",
+    value: function onResolveEntity(name) {
+      switch (name) {
+        case "apos":
+          return "'";
+      }
+
+      return _get(_getPrototypeOf(SimpleXMLParser.prototype), "onResolveEntity", this).call(this, name);
+    }
+  }, {
+    key: "onText",
+    value: function onText(text) {
+      if (isWhitespaceString(text)) {
+        return;
+      }
+
+      var node = new SimpleDOMNode("#text", text);
+
+      this._currentFragment.push(node);
+    }
+  }, {
+    key: "onCdata",
+    value: function onCdata(text) {
+      var node = new SimpleDOMNode("#text", text);
+
+      this._currentFragment.push(node);
+    }
+  }, {
+    key: "onBeginElement",
+    value: function onBeginElement(name, attributes, isEmpty) {
+      var node = new SimpleDOMNode(name);
+      node.childNodes = [];
+
+      this._currentFragment.push(node);
+
+      if (isEmpty) {
+        return;
+      }
+
+      this._stack.push(this._currentFragment);
+
+      this._currentFragment = node.childNodes;
+    }
+  }, {
+    key: "onEndElement",
+    value: function onEndElement(name) {
+      this._currentFragment = this._stack.pop() || [];
+      var lastElement = this._currentFragment[this._currentFragment.length - 1];
+
+      if (!lastElement) {
+        return;
+      }
+
+      for (var i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
+        lastElement.childNodes[i].parentNode = lastElement;
+      }
+    }
+  }, {
+    key: "onError",
+    value: function onError(code) {
+      this._errorCode = code;
+    }
+  }]);
+
+  return SimpleXMLParser;
+}(XMLParserBase);
+
+exports.SimpleXMLParser = SimpleXMLParser;
+
+/***/ }),
+/* 213 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OptionalContentConfig = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var OptionalContentGroup = function OptionalContentGroup(name, intent) {
+  _classCallCheck(this, OptionalContentGroup);
+
+  this.visible = true;
+  this.name = name;
+  this.intent = intent;
+};
+
+var OptionalContentConfig = /*#__PURE__*/function () {
+  function OptionalContentConfig(data) {
+    _classCallCheck(this, OptionalContentConfig);
+
+    this.name = null;
+    this.creator = null;
+    this._order = null;
+    this._groups = new Map();
+
+    if (data === null) {
+      return;
+    }
+
+    this.name = data.name;
+    this.creator = data.creator;
+    this._order = data.order;
+
+    var _iterator = _createForOfIteratorHelper(data.groups),
+        _step;
+
+    try {
+      for (_iterator.s(); !(_step = _iterator.n()).done;) {
+        var _group = _step.value;
+
+        this._groups.set(_group.id, new OptionalContentGroup(_group.name, _group.intent));
+      }
+    } catch (err) {
+      _iterator.e(err);
+    } finally {
+      _iterator.f();
+    }
+
+    if (data.baseState === "OFF") {
+      var _iterator2 = _createForOfIteratorHelper(this._groups),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var group = _step2.value;
+          group.visible = false;
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+    }
+
+    var _iterator3 = _createForOfIteratorHelper(data.on),
+        _step3;
+
+    try {
+      for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+        var on = _step3.value;
+        this._groups.get(on).visible = true;
+      }
+    } catch (err) {
+      _iterator3.e(err);
+    } finally {
+      _iterator3.f();
+    }
+
+    var _iterator4 = _createForOfIteratorHelper(data.off),
+        _step4;
+
+    try {
+      for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+        var off = _step4.value;
+        this._groups.get(off).visible = false;
+      }
+    } catch (err) {
+      _iterator4.e(err);
+    } finally {
+      _iterator4.f();
+    }
+  }
+
+  _createClass(OptionalContentConfig, [{
+    key: "isVisible",
+    value: function isVisible(group) {
+      if (group.type === "OCG") {
+        if (!this._groups.has(group.id)) {
+          (0, _util.warn)("Optional content group not found: ".concat(group.id));
+          return true;
+        }
+
+        return this._groups.get(group.id).visible;
+      } else if (group.type === "OCMD") {
+        if (group.expression) {
+          (0, _util.warn)("Visibility expression not supported yet.");
+        }
+
+        if (!group.policy || group.policy === "AnyOn") {
+          var _iterator5 = _createForOfIteratorHelper(group.ids),
+              _step5;
+
+          try {
+            for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+              var id = _step5.value;
+
+              if (!this._groups.has(id)) {
+                (0, _util.warn)("Optional content group not found: ".concat(id));
+                return true;
+              }
+
+              if (this._groups.get(id).visible) {
+                return true;
+              }
+            }
+          } catch (err) {
+            _iterator5.e(err);
+          } finally {
+            _iterator5.f();
+          }
+
+          return false;
+        } else if (group.policy === "AllOn") {
+          var _iterator6 = _createForOfIteratorHelper(group.ids),
+              _step6;
+
+          try {
+            for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+              var _id = _step6.value;
+
+              if (!this._groups.has(_id)) {
+                (0, _util.warn)("Optional content group not found: ".concat(_id));
+                return true;
+              }
+
+              if (!this._groups.get(_id).visible) {
+                return false;
+              }
+            }
+          } catch (err) {
+            _iterator6.e(err);
+          } finally {
+            _iterator6.f();
+          }
+
+          return true;
+        } else if (group.policy === "AnyOff") {
+          var _iterator7 = _createForOfIteratorHelper(group.ids),
+              _step7;
+
+          try {
+            for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+              var _id2 = _step7.value;
+
+              if (!this._groups.has(_id2)) {
+                (0, _util.warn)("Optional content group not found: ".concat(_id2));
+                return true;
+              }
+
+              if (!this._groups.get(_id2).visible) {
+                return true;
+              }
+            }
+          } catch (err) {
+            _iterator7.e(err);
+          } finally {
+            _iterator7.f();
+          }
+
+          return false;
+        } else if (group.policy === "AllOff") {
+          var _iterator8 = _createForOfIteratorHelper(group.ids),
+              _step8;
+
+          try {
+            for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {
+              var _id3 = _step8.value;
+
+              if (!this._groups.has(_id3)) {
+                (0, _util.warn)("Optional content group not found: ".concat(_id3));
+                return true;
+              }
+
+              if (this._groups.get(_id3).visible) {
+                return false;
+              }
+            }
+          } catch (err) {
+            _iterator8.e(err);
+          } finally {
+            _iterator8.f();
+          }
+
+          return true;
+        }
+
+        (0, _util.warn)("Unknown optional content policy ".concat(group.policy, "."));
+        return true;
+      }
+
+      (0, _util.warn)("Unknown group type ".concat(group.type, "."));
+      return true;
+    }
+  }, {
+    key: "setVisibility",
+    value: function setVisibility(id) {
+      var visible = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
+
+      if (!this._groups.has(id)) {
+        (0, _util.warn)("Optional content group not found: ".concat(id));
+        return;
+      }
+
+      this._groups.get(id).visible = !!visible;
+    }
+  }, {
+    key: "getOrder",
+    value: function getOrder() {
+      if (!this._groups.size) {
+        return null;
+      }
+
+      if (this._order) {
+        return this._order.slice();
+      }
+
+      return Array.from(this._groups.keys());
+    }
+  }, {
+    key: "getGroups",
+    value: function getGroups() {
+      if (!this._groups.size) {
+        return null;
+      }
+
+      return Object.fromEntries(this._groups);
+    }
+  }, {
+    key: "getGroup",
+    value: function getGroup(id) {
+      return this._groups.get(id) || null;
+    }
+  }]);
+
+  return OptionalContentConfig;
+}();
+
+exports.OptionalContentConfig = OptionalContentConfig;
+
+/***/ }),
+/* 214 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDataTransportStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PDFDataTransportStream = /*#__PURE__*/function () {
+  function PDFDataTransportStream(params, pdfDataRangeTransport) {
+    var _this = this;
+
+    _classCallCheck(this, PDFDataTransportStream);
+
+    (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
+    this._queuedChunks = [];
+    this._progressiveDone = params.progressiveDone || false;
+    var initialData = params.initialData;
+
+    if (initialData && initialData.length > 0) {
+      var buffer = new Uint8Array(initialData).buffer;
+
+      this._queuedChunks.push(buffer);
+    }
+
+    this._pdfDataRangeTransport = pdfDataRangeTransport;
+    this._isStreamingSupported = !params.disableStream;
+    this._isRangeSupported = !params.disableRange;
+    this._contentLength = params.length;
+    this._fullRequestReader = null;
+    this._rangeReaders = [];
+
+    this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
+      _this._onReceiveData({
+        begin: begin,
+        chunk: chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressListener(function (loaded, total) {
+      _this._onProgress({
+        loaded: loaded,
+        total: total
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
+      _this._onReceiveData({
+        chunk: chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveDoneListener(function () {
+      _this._onProgressiveDone();
+    });
+
+    this._pdfDataRangeTransport.transportReady();
+  }
+
+  _createClass(PDFDataTransportStream, [{
+    key: "_onReceiveData",
+    value: function _onReceiveData(args) {
+      var buffer = new Uint8Array(args.chunk).buffer;
+
+      if (args.begin === undefined) {
+        if (this._fullRequestReader) {
+          this._fullRequestReader._enqueue(buffer);
+        } else {
+          this._queuedChunks.push(buffer);
+        }
+      } else {
+        var found = this._rangeReaders.some(function (rangeReader) {
+          if (rangeReader._begin !== args.begin) {
+            return false;
+          }
+
+          rangeReader._enqueue(buffer);
+
+          return true;
+        });
+
+        (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
+      }
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(evt) {
+      if (evt.total === undefined) {
+        var firstReader = this._rangeReaders[0];
+
+        if (firstReader && firstReader.onProgress) {
+          firstReader.onProgress({
+            loaded: evt.loaded
+          });
+        }
+      } else {
+        var fullReader = this._fullRequestReader;
+
+        if (fullReader && fullReader.onProgress) {
+          fullReader.onProgress({
+            loaded: evt.loaded,
+            total: evt.total
+          });
+        }
+      }
+    }
+  }, {
+    key: "_onProgressiveDone",
+    value: function _onProgressiveDone() {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.progressiveDone();
+      }
+
+      this._progressiveDone = true;
+    }
+  }, {
+    key: "_removeRangeReader",
+    value: function _removeRangeReader(reader) {
+      var i = this._rangeReaders.indexOf(reader);
+
+      if (i >= 0) {
+        this._rangeReaders.splice(i, 1);
+      }
+    }
+  }, {
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
+      var queuedChunks = this._queuedChunks;
+      this._queuedChunks = null;
+      return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var reader = new PDFDataTransportStreamRangeReader(this, begin, end);
+
+      this._pdfDataRangeTransport.requestDataRange(begin, end);
+
+      this._rangeReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeReaders.slice(0);
+
+      readers.forEach(function (rangeReader) {
+        rangeReader.cancel(reason);
+      });
+
+      this._pdfDataRangeTransport.abort();
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFDataTransportStream;
+}();
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+var PDFDataTransportStreamReader = /*#__PURE__*/function () {
+  function PDFDataTransportStreamReader(stream, queuedChunks) {
+    var progressiveDone = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, PDFDataTransportStreamReader);
+
+    this._stream = stream;
+    this._done = progressiveDone || false;
+    this._filename = null;
+    this._queuedChunks = queuedChunks || [];
+    this._loaded = 0;
+
+    var _iterator = _createForOfIteratorHelper(this._queuedChunks),
+        _step;
+
+    try {
+      for (_iterator.s(); !(_step = _iterator.n()).done;) {
+        var chunk = _step.value;
+        this._loaded += chunk.byteLength;
+      }
+    } catch (err) {
+      _iterator.e(err);
+    } finally {
+      _iterator.f();
+    }
+
+    this._requests = [];
+    this._headersReady = Promise.resolve();
+    stream._fullRequestReader = this;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFDataTransportStreamReader, [{
+    key: "_enqueue",
+    value: function _enqueue(chunk) {
+      if (this._done) {
+        return;
+      }
+
+      if (this._requests.length > 0) {
+        var requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: chunk,
+          done: false
+        });
+      } else {
+        this._queuedChunks.push(chunk);
+      }
+
+      this._loaded += chunk.byteLength;
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!(this._queuedChunks.length > 0)) {
+                  _context.next = 3;
+                  break;
+                }
+
+                chunk = this._queuedChunks.shift();
+                return _context.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 3:
+                if (!this._done) {
+                  _context.next = 5;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 5:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context.abrupt("return", requestCapability.promise);
+
+              case 8:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+  }, {
+    key: "progressiveDone",
+    value: function progressiveDone() {
+      if (this._done) {
+        return;
+      }
+
+      this._done = true;
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersReady;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._stream._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._stream._isStreamingSupported;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._stream._contentLength;
+    }
+  }]);
+
+  return PDFDataTransportStreamReader;
+}();
+
+var PDFDataTransportStreamRangeReader = /*#__PURE__*/function () {
+  function PDFDataTransportStreamRangeReader(stream, begin, end) {
+    _classCallCheck(this, PDFDataTransportStreamRangeReader);
+
+    this._stream = stream;
+    this._begin = begin;
+    this._end = end;
+    this._queuedChunk = null;
+    this._requests = [];
+    this._done = false;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFDataTransportStreamRangeReader, [{
+    key: "_enqueue",
+    value: function _enqueue(chunk) {
+      if (this._done) {
+        return;
+      }
+
+      if (this._requests.length === 0) {
+        this._queuedChunk = chunk;
+      } else {
+        var requestsCapability = this._requests.shift();
+
+        requestsCapability.resolve({
+          value: chunk,
+          done: false
+        });
+
+        this._requests.forEach(function (requestCapability) {
+          requestCapability.resolve({
+            value: undefined,
+            done: true
+          });
+        });
+
+        this._requests = [];
+      }
+
+      this._done = true;
+
+      this._stream._removeRangeReader(this);
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                if (!this._queuedChunk) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                chunk = this._queuedChunk;
+                this._queuedChunk = null;
+                return _context2.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 4:
+                if (!this._done) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 6:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context2.abrupt("return", requestCapability.promise);
+
+              case 9:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      this._stream._removeRangeReader(this);
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return PDFDataTransportStreamRangeReader;
+}();
+
+/***/ }),
+/* 215 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WebGLContext = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var WebGLContext = /*#__PURE__*/function () {
+  function WebGLContext(_ref) {
+    var _ref$enable = _ref.enable,
+        enable = _ref$enable === void 0 ? false : _ref$enable;
+
+    _classCallCheck(this, WebGLContext);
+
+    this._enabled = enable === true;
+  }
+
+  _createClass(WebGLContext, [{
+    key: "composeSMask",
+    value: function composeSMask(_ref2) {
+      var layer = _ref2.layer,
+          mask = _ref2.mask,
+          properties = _ref2.properties;
+      return WebGLUtils.composeSMask(layer, mask, properties);
+    }
+  }, {
+    key: "drawFigures",
+    value: function drawFigures(_ref3) {
+      var width = _ref3.width,
+          height = _ref3.height,
+          backgroundColor = _ref3.backgroundColor,
+          figures = _ref3.figures,
+          context = _ref3.context;
+      return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      WebGLUtils.cleanup();
+    }
+  }, {
+    key: "isEnabled",
+    get: function get() {
+      var enabled = this._enabled;
+
+      if (enabled) {
+        enabled = WebGLUtils.tryInitGL();
+      }
+
+      return (0, _util.shadow)(this, "isEnabled", enabled);
+    }
+  }]);
+
+  return WebGLContext;
+}();
+
+exports.WebGLContext = WebGLContext;
+
+var WebGLUtils = function WebGLUtilsClosure() {
+  function loadShader(gl, code, shaderType) {
+    var shader = gl.createShader(shaderType);
+    gl.shaderSource(shader, code);
+    gl.compileShader(shader);
+    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+
+    if (!compiled) {
+      var errorMsg = gl.getShaderInfoLog(shader);
+      throw new Error("Error during shader compilation: " + errorMsg);
+    }
+
+    return shader;
+  }
+
+  function createVertexShader(gl, code) {
+    return loadShader(gl, code, gl.VERTEX_SHADER);
+  }
+
+  function createFragmentShader(gl, code) {
+    return loadShader(gl, code, gl.FRAGMENT_SHADER);
+  }
+
+  function createProgram(gl, shaders) {
+    var program = gl.createProgram();
+
+    for (var i = 0, ii = shaders.length; i < ii; ++i) {
+      gl.attachShader(program, shaders[i]);
+    }
+
+    gl.linkProgram(program);
+    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+
+    if (!linked) {
+      var errorMsg = gl.getProgramInfoLog(program);
+      throw new Error("Error during program linking: " + errorMsg);
+    }
+
+    return program;
+  }
+
+  function createTexture(gl, image, textureId) {
+    gl.activeTexture(textureId);
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+    return texture;
+  }
+
+  var currentGL, currentCanvas;
+
+  function generateGL() {
+    if (currentGL) {
+      return;
+    }
+
+    currentCanvas = document.createElement("canvas");
+    currentGL = currentCanvas.getContext("webgl", {
+      premultipliedalpha: false
+    });
+  }
+
+  var smaskVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec2 a_texCoord;                                    \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_texCoord = a_texCoord;                                    \
+  }                                                             ";
+  var smaskFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  uniform vec4 u_backdrop;                                      \
+  uniform int u_subtype;                                        \
+  uniform sampler2D u_image;                                    \
+  uniform sampler2D u_mask;                                     \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec4 imageColor = texture2D(u_image, v_texCoord);           \
+    vec4 maskColor = texture2D(u_mask, v_texCoord);             \
+    if (u_backdrop.a > 0.0) {                                   \
+      maskColor.rgb = maskColor.rgb * maskColor.a +             \
+                      u_backdrop.rgb * (1.0 - maskColor.a);     \
+    }                                                           \
+    float lum;                                                  \
+    if (u_subtype == 0) {                                       \
+      lum = maskColor.a;                                        \
+    } else {                                                    \
+      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \
+            maskColor.b * 0.11;                                 \
+    }                                                           \
+    imageColor.a *= lum;                                        \
+    imageColor.rgb *= imageColor.a;                             \
+    gl_FragColor = imageColor;                                  \
+  }                                                             ";
+  var smaskCache = null;
+
+  function initSmaskGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.backdropLocation = gl.getUniformLocation(program, "u_backdrop");
+    cache.subtypeLocation = gl.getUniformLocation(program, "u_subtype");
+    var texCoordLocation = gl.getAttribLocation(program, "a_texCoord");
+    var texLayerLocation = gl.getUniformLocation(program, "u_image");
+    var texMaskLocation = gl.getUniformLocation(program, "u_mask");
+    var texCoordBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(texCoordLocation);
+    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.uniform1i(texLayerLocation, 0);
+    gl.uniform1i(texMaskLocation, 1);
+    smaskCache = cache;
+  }
+
+  function composeSMask(layer, mask, properties) {
+    var width = layer.width,
+        height = layer.height;
+
+    if (!smaskCache) {
+      initSmaskGL();
+    }
+
+    var cache = smaskCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+
+    if (properties.backdrop) {
+      gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
+    } else {
+      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+    }
+
+    gl.uniform1i(cache.subtypeLocation, properties.subtype === "Luminosity" ? 1 : 0);
+    var texture = createTexture(gl, layer, gl.TEXTURE0);
+    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+    var buffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.clearColor(0, 0, 0, 0);
+    gl.enable(gl.BLEND);
+    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    gl.flush();
+    gl.deleteTexture(texture);
+    gl.deleteTexture(maskTexture);
+    gl.deleteBuffer(buffer);
+    return canvas;
+  }
+
+  var figuresVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec3 a_color;                                       \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+  uniform vec2 u_scale;                                         \
+  uniform vec2 u_offset;                                        \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    vec2 position = (a_position + u_offset) * u_scale;          \
+    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_color = vec4(a_color / 255.0, 1.0);                       \
+  }                                                             ";
+  var figuresFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    gl_FragColor = v_color;                                     \
+  }                                                             ";
+  var figuresCache = null;
+
+  function initFiguresGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.scaleLocation = gl.getUniformLocation(program, "u_scale");
+    cache.offsetLocation = gl.getUniformLocation(program, "u_offset");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.colorLocation = gl.getAttribLocation(program, "a_color");
+    figuresCache = cache;
+  }
+
+  function drawFigures(width, height, backgroundColor, figures, context) {
+    if (!figuresCache) {
+      initFiguresGL();
+    }
+
+    var cache = figuresCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+    var count = 0;
+    var i, ii, rows;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      switch (figures[i].type) {
+        case "lattice":
+          rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
+          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+          break;
+
+        case "triangles":
+          count += figures[i].coords.length;
+          break;
+      }
+    }
+
+    var coords = new Float32Array(count * 2);
+    var colors = new Uint8Array(count * 3);
+    var coordsMap = context.coords,
+        colorsMap = context.colors;
+    var pIndex = 0,
+        cIndex = 0;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      switch (figure.type) {
+        case "lattice":
+          var cols = figure.verticesPerRow;
+          rows = ps.length / cols | 0;
+
+          for (var row = 1; row < rows; row++) {
+            var offset = row * cols + 1;
+
+            for (var col = 1; col < cols; col++, offset++) {
+              coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+              coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+              coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+              colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+              colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+              colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+              coords[pIndex + 6] = coords[pIndex + 2];
+              coords[pIndex + 7] = coords[pIndex + 3];
+              coords[pIndex + 8] = coords[pIndex + 4];
+              coords[pIndex + 9] = coords[pIndex + 5];
+              coords[pIndex + 10] = coordsMap[ps[offset]];
+              coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+              colors[cIndex + 9] = colors[cIndex + 3];
+              colors[cIndex + 10] = colors[cIndex + 4];
+              colors[cIndex + 11] = colors[cIndex + 5];
+              colors[cIndex + 12] = colors[cIndex + 6];
+              colors[cIndex + 13] = colors[cIndex + 7];
+              colors[cIndex + 14] = colors[cIndex + 8];
+              colors[cIndex + 15] = colorsMap[cs[offset]];
+              colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+              colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+              pIndex += 12;
+              cIndex += 18;
+            }
+          }
+
+          break;
+
+        case "triangles":
+          for (var j = 0, jj = ps.length; j < jj; j++) {
+            coords[pIndex] = coordsMap[ps[j]];
+            coords[pIndex + 1] = coordsMap[ps[j] + 1];
+            colors[cIndex] = colorsMap[cs[j]];
+            colors[cIndex + 1] = colorsMap[cs[j] + 1];
+            colors[cIndex + 2] = colorsMap[cs[j] + 2];
+            pIndex += 2;
+            cIndex += 3;
+          }
+
+          break;
+      }
+    }
+
+    if (backgroundColor) {
+      gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
+    } else {
+      gl.clearColor(0, 0, 0, 0);
+    }
+
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    var coordsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    var colorsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.colorLocation);
+    gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
+    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+    gl.drawArrays(gl.TRIANGLES, 0, count);
+    gl.flush();
+    gl.deleteBuffer(coordsBuffer);
+    gl.deleteBuffer(colorsBuffer);
+    return canvas;
+  }
+
+  return {
+    tryInitGL: function tryInitGL() {
+      try {
+        generateGL();
+        return !!currentGL;
+      } catch (ex) {}
+
+      return false;
+    },
+    composeSMask: composeSMask,
+    drawFigures: drawFigures,
+    cleanup: function cleanup() {
+      if (smaskCache && smaskCache.canvas) {
+        smaskCache.canvas.width = 0;
+        smaskCache.canvas.height = 0;
+      }
+
+      if (figuresCache && figuresCache.canvas) {
+        figuresCache.canvas.width = 0;
+        figuresCache.canvas.height = 0;
+      }
+
+      smaskCache = null;
+      figuresCache = null;
+    }
+  };
+}();
+
+/***/ }),
+/* 216 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationLayer = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _util = __w_pdfjs_require__(5);
+
+var _annotation_storage = __w_pdfjs_require__(205);
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var AnnotationElementFactory = /*#__PURE__*/function () {
+  function AnnotationElementFactory() {
+    _classCallCheck(this, AnnotationElementFactory);
+  }
+
+  _createClass(AnnotationElementFactory, null, [{
+    key: "create",
+    value: function create(parameters) {
+      var subtype = parameters.data.annotationType;
+
+      switch (subtype) {
+        case _util.AnnotationType.LINK:
+          return new LinkAnnotationElement(parameters);
+
+        case _util.AnnotationType.TEXT:
+          return new TextAnnotationElement(parameters);
+
+        case _util.AnnotationType.WIDGET:
+          var fieldType = parameters.data.fieldType;
+
+          switch (fieldType) {
+            case "Tx":
+              return new TextWidgetAnnotationElement(parameters);
+
+            case "Btn":
+              if (parameters.data.radioButton) {
+                return new RadioButtonWidgetAnnotationElement(parameters);
+              } else if (parameters.data.checkBox) {
+                return new CheckboxWidgetAnnotationElement(parameters);
+              }
+
+              return new PushButtonWidgetAnnotationElement(parameters);
+
+            case "Ch":
+              return new ChoiceWidgetAnnotationElement(parameters);
+          }
+
+          return new WidgetAnnotationElement(parameters);
+
+        case _util.AnnotationType.POPUP:
+          return new PopupAnnotationElement(parameters);
+
+        case _util.AnnotationType.FREETEXT:
+          return new FreeTextAnnotationElement(parameters);
+
+        case _util.AnnotationType.LINE:
+          return new LineAnnotationElement(parameters);
+
+        case _util.AnnotationType.SQUARE:
+          return new SquareAnnotationElement(parameters);
+
+        case _util.AnnotationType.CIRCLE:
+          return new CircleAnnotationElement(parameters);
+
+        case _util.AnnotationType.POLYLINE:
+          return new PolylineAnnotationElement(parameters);
+
+        case _util.AnnotationType.CARET:
+          return new CaretAnnotationElement(parameters);
+
+        case _util.AnnotationType.INK:
+          return new InkAnnotationElement(parameters);
+
+        case _util.AnnotationType.POLYGON:
+          return new PolygonAnnotationElement(parameters);
+
+        case _util.AnnotationType.HIGHLIGHT:
+          return new HighlightAnnotationElement(parameters);
+
+        case _util.AnnotationType.UNDERLINE:
+          return new UnderlineAnnotationElement(parameters);
+
+        case _util.AnnotationType.SQUIGGLY:
+          return new SquigglyAnnotationElement(parameters);
+
+        case _util.AnnotationType.STRIKEOUT:
+          return new StrikeOutAnnotationElement(parameters);
+
+        case _util.AnnotationType.STAMP:
+          return new StampAnnotationElement(parameters);
+
+        case _util.AnnotationType.FILEATTACHMENT:
+          return new FileAttachmentAnnotationElement(parameters);
+
+        default:
+          return new AnnotationElement(parameters);
+      }
+    }
+  }]);
+
+  return AnnotationElementFactory;
+}();
+
+var AnnotationElement = /*#__PURE__*/function () {
+  function AnnotationElement(parameters) {
+    var isRenderable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+    var ignoreBorder = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, AnnotationElement);
+
+    this.isRenderable = isRenderable;
+    this.data = parameters.data;
+    this.layer = parameters.layer;
+    this.page = parameters.page;
+    this.viewport = parameters.viewport;
+    this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
+    this.imageResourcesPath = parameters.imageResourcesPath;
+    this.renderInteractiveForms = parameters.renderInteractiveForms;
+    this.svgFactory = parameters.svgFactory;
+    this.annotationStorage = parameters.annotationStorage;
+
+    if (isRenderable) {
+      this.container = this._createContainer(ignoreBorder);
+    }
+  }
+
+  _createClass(AnnotationElement, [{
+    key: "_createContainer",
+    value: function _createContainer() {
+      var ignoreBorder = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var data = this.data,
+          page = this.page,
+          viewport = this.viewport;
+      var container = document.createElement("section");
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      container.setAttribute("data-annotation-id", data.id);
+
+      var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
+
+      container.style.transform = "matrix(".concat(viewport.transform.join(","), ")");
+      container.style.transformOrigin = "-".concat(rect[0], "px -").concat(rect[1], "px");
+
+      if (!ignoreBorder && data.borderStyle.width > 0) {
+        container.style.borderWidth = "".concat(data.borderStyle.width, "px");
+
+        if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
+          width = width - 2 * data.borderStyle.width;
+          height = height - 2 * data.borderStyle.width;
+        }
+
+        var horizontalRadius = data.borderStyle.horizontalCornerRadius;
+        var verticalRadius = data.borderStyle.verticalCornerRadius;
+
+        if (horizontalRadius > 0 || verticalRadius > 0) {
+          var radius = "".concat(horizontalRadius, "px / ").concat(verticalRadius, "px");
+          container.style.borderRadius = radius;
+        }
+
+        switch (data.borderStyle.style) {
+          case _util.AnnotationBorderStyleType.SOLID:
+            container.style.borderStyle = "solid";
+            break;
+
+          case _util.AnnotationBorderStyleType.DASHED:
+            container.style.borderStyle = "dashed";
+            break;
+
+          case _util.AnnotationBorderStyleType.BEVELED:
+            (0, _util.warn)("Unimplemented border style: beveled");
+            break;
+
+          case _util.AnnotationBorderStyleType.INSET:
+            (0, _util.warn)("Unimplemented border style: inset");
+            break;
+
+          case _util.AnnotationBorderStyleType.UNDERLINE:
+            container.style.borderBottomStyle = "solid";
+            break;
+
+          default:
+            break;
+        }
+
+        if (data.color) {
+          container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
+        } else {
+          container.style.borderWidth = 0;
+        }
+      }
+
+      container.style.left = "".concat(rect[0], "px");
+      container.style.top = "".concat(rect[1], "px");
+      container.style.width = "".concat(width, "px");
+      container.style.height = "".concat(height, "px");
+      return container;
+    }
+  }, {
+    key: "_createPopup",
+    value: function _createPopup(container, trigger, data) {
+      if (!trigger) {
+        trigger = document.createElement("div");
+        trigger.style.height = container.style.height;
+        trigger.style.width = container.style.width;
+        container.appendChild(trigger);
+      }
+
+      var popupElement = new PopupElement({
+        container: container,
+        trigger: trigger,
+        color: data.color,
+        title: data.title,
+        modificationDate: data.modificationDate,
+        contents: data.contents,
+        hideWrapper: true
+      });
+      var popup = popupElement.render();
+      popup.style.left = container.style.width;
+      container.appendChild(popup);
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
+    }
+  }]);
+
+  return AnnotationElement;
+}();
+
+var LinkAnnotationElement = /*#__PURE__*/function (_AnnotationElement) {
+  _inherits(LinkAnnotationElement, _AnnotationElement);
+
+  var _super = _createSuper(LinkAnnotationElement);
+
+  function LinkAnnotationElement(parameters) {
+    _classCallCheck(this, LinkAnnotationElement);
+
+    var isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
+    return _super.call(this, parameters, isRenderable);
+  }
+
+  _createClass(LinkAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "linkAnnotation";
+      var data = this.data,
+          linkService = this.linkService;
+      var link = document.createElement("a");
+
+      if (data.url) {
+        (0, _display_utils.addLinkAttributes)(link, {
+          url: data.url,
+          target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
+          rel: linkService.externalLinkRel,
+          enabled: linkService.externalLinkEnabled
+        });
+      } else if (data.action) {
+        this._bindNamedAction(link, data.action);
+      } else {
+        this._bindLink(link, data.dest);
+      }
+
+      this.container.appendChild(link);
+      return this.container;
+    }
+  }, {
+    key: "_bindLink",
+    value: function _bindLink(link, destination) {
+      var _this = this;
+
+      link.href = this.linkService.getDestinationHash(destination);
+
+      link.onclick = function () {
+        if (destination) {
+          _this.linkService.navigateTo(destination);
+        }
+
+        return false;
+      };
+
+      if (destination) {
+        link.className = "internalLink";
+      }
+    }
+  }, {
+    key: "_bindNamedAction",
+    value: function _bindNamedAction(link, action) {
+      var _this2 = this;
+
+      link.href = this.linkService.getAnchorUrl("");
+
+      link.onclick = function () {
+        _this2.linkService.executeNamedAction(action);
+
+        return false;
+      };
+
+      link.className = "internalLink";
+    }
+  }]);
+
+  return LinkAnnotationElement;
+}(AnnotationElement);
+
+var TextAnnotationElement = /*#__PURE__*/function (_AnnotationElement2) {
+  _inherits(TextAnnotationElement, _AnnotationElement2);
+
+  var _super2 = _createSuper(TextAnnotationElement);
+
+  function TextAnnotationElement(parameters) {
+    _classCallCheck(this, TextAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super2.call(this, parameters, isRenderable);
+  }
+
+  _createClass(TextAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "textAnnotation";
+      var image = document.createElement("img");
+      image.style.height = this.container.style.height;
+      image.style.width = this.container.style.width;
+      image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
+      image.alt = "[{{type}} Annotation]";
+      image.dataset.l10nId = "text_annotation_type";
+      image.dataset.l10nArgs = JSON.stringify({
+        type: this.data.name
+      });
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, image, this.data);
+      }
+
+      this.container.appendChild(image);
+      return this.container;
+    }
+  }]);
+
+  return TextAnnotationElement;
+}(AnnotationElement);
+
+var WidgetAnnotationElement = /*#__PURE__*/function (_AnnotationElement3) {
+  _inherits(WidgetAnnotationElement, _AnnotationElement3);
+
+  var _super3 = _createSuper(WidgetAnnotationElement);
+
+  function WidgetAnnotationElement() {
+    _classCallCheck(this, WidgetAnnotationElement);
+
+    return _super3.apply(this, arguments);
+  }
+
+  _createClass(WidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      return this.container;
+    }
+  }]);
+
+  return WidgetAnnotationElement;
+}(AnnotationElement);
+
+var TextWidgetAnnotationElement = /*#__PURE__*/function (_WidgetAnnotationElem) {
+  _inherits(TextWidgetAnnotationElement, _WidgetAnnotationElem);
+
+  var _super4 = _createSuper(TextWidgetAnnotationElement);
+
+  function TextWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, TextWidgetAnnotationElement);
+
+    var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+    return _super4.call(this, parameters, isRenderable);
+  }
+
+  _createClass(TextWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var TEXT_ALIGNMENT = ["left", "center", "right"];
+      var storage = this.annotationStorage;
+      var id = this.data.id;
+      this.container.className = "textWidgetAnnotation";
+      var element = null;
+
+      if (this.renderInteractiveForms) {
+        var textContent = storage.getOrCreateValue(id, this.data.fieldValue);
+
+        if (this.data.multiLine) {
+          element = document.createElement("textarea");
+          element.textContent = textContent;
+        } else {
+          element = document.createElement("input");
+          element.type = "text";
+          element.setAttribute("value", textContent);
+        }
+
+        element.addEventListener("input", function (event) {
+          storage.setValue(id, event.target.value);
+        });
+        element.disabled = this.data.readOnly;
+        element.name = this.data.fieldName;
+
+        if (this.data.maxLen !== null) {
+          element.maxLength = this.data.maxLen;
+        }
+
+        if (this.data.comb) {
+          var fieldWidth = this.data.rect[2] - this.data.rect[0];
+          var combWidth = fieldWidth / this.data.maxLen;
+          element.classList.add("comb");
+          element.style.letterSpacing = "calc(".concat(combWidth, "px - 1ch)");
+        }
+      } else {
+        element = document.createElement("div");
+        element.textContent = this.data.fieldValue;
+        element.style.verticalAlign = "middle";
+        element.style.display = "table-cell";
+        var font = null;
+
+        if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
+          font = this.page.commonObjs.get(this.data.fontRefName);
+        }
+
+        this._setTextStyle(element, font);
+      }
+
+      if (this.data.textAlignment !== null) {
+        element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+      }
+
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }, {
+    key: "_setTextStyle",
+    value: function _setTextStyle(element, font) {
+      var style = element.style;
+      style.fontSize = "".concat(this.data.fontSize, "px");
+      style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
+
+      if (!font) {
+        return;
+      }
+
+      var bold = "normal";
+
+      if (font.black) {
+        bold = "900";
+      } else if (font.bold) {
+        bold = "bold";
+      }
+
+      style.fontWeight = bold;
+      style.fontStyle = font.italic ? "italic" : "normal";
+      var fontFamily = font.loadedName ? "\"".concat(font.loadedName, "\", ") : "";
+      var fallbackName = font.fallbackName || "Helvetica, sans-serif";
+      style.fontFamily = fontFamily + fallbackName;
+    }
+  }]);
+
+  return TextWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var CheckboxWidgetAnnotationElement = /*#__PURE__*/function (_WidgetAnnotationElem2) {
+  _inherits(CheckboxWidgetAnnotationElement, _WidgetAnnotationElem2);
+
+  var _super5 = _createSuper(CheckboxWidgetAnnotationElement);
+
+  function CheckboxWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, CheckboxWidgetAnnotationElement);
+
+    return _super5.call(this, parameters, parameters.renderInteractiveForms);
+  }
+
+  _createClass(CheckboxWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var storage = this.annotationStorage;
+      var data = this.data;
+      var id = data.id;
+      var value = storage.getOrCreateValue(id, data.fieldValue && data.fieldValue !== "Off");
+      this.container.className = "buttonWidgetAnnotation checkBox";
+      var element = document.createElement("input");
+      element.disabled = data.readOnly;
+      element.type = "checkbox";
+      element.name = this.data.fieldName;
+
+      if (value) {
+        element.setAttribute("checked", true);
+      }
+
+      element.addEventListener("change", function (event) {
+        storage.setValue(id, event.target.checked);
+      });
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }]);
+
+  return CheckboxWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var RadioButtonWidgetAnnotationElement = /*#__PURE__*/function (_WidgetAnnotationElem3) {
+  _inherits(RadioButtonWidgetAnnotationElement, _WidgetAnnotationElem3);
+
+  var _super6 = _createSuper(RadioButtonWidgetAnnotationElement);
+
+  function RadioButtonWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, RadioButtonWidgetAnnotationElement);
+
+    return _super6.call(this, parameters, parameters.renderInteractiveForms);
+  }
+
+  _createClass(RadioButtonWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "buttonWidgetAnnotation radioButton";
+      var storage = this.annotationStorage;
+      var data = this.data;
+      var id = data.id;
+      var value = storage.getOrCreateValue(id, data.fieldValue === data.buttonValue);
+      var element = document.createElement("input");
+      element.disabled = data.readOnly;
+      element.type = "radio";
+      element.name = data.fieldName;
+
+      if (value) {
+        element.setAttribute("checked", true);
+      }
+
+      element.addEventListener("change", function (event) {
+        var name = event.target.name;
+
+        var _iterator = _createForOfIteratorHelper(document.getElementsByName(name)),
+            _step;
+
+        try {
+          for (_iterator.s(); !(_step = _iterator.n()).done;) {
+            var radio = _step.value;
+
+            if (radio !== event.target) {
+              storage.setValue(radio.parentNode.getAttribute("data-annotation-id"), false);
+            }
+          }
+        } catch (err) {
+          _iterator.e(err);
+        } finally {
+          _iterator.f();
+        }
+
+        storage.setValue(id, event.target.checked);
+      });
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }]);
+
+  return RadioButtonWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var PushButtonWidgetAnnotationElement = /*#__PURE__*/function (_LinkAnnotationElemen) {
+  _inherits(PushButtonWidgetAnnotationElement, _LinkAnnotationElemen);
+
+  var _super7 = _createSuper(PushButtonWidgetAnnotationElement);
+
+  function PushButtonWidgetAnnotationElement() {
+    _classCallCheck(this, PushButtonWidgetAnnotationElement);
+
+    return _super7.apply(this, arguments);
+  }
+
+  _createClass(PushButtonWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var container = _get(_getPrototypeOf(PushButtonWidgetAnnotationElement.prototype), "render", this).call(this);
+
+      container.className = "buttonWidgetAnnotation pushButton";
+      return container;
+    }
+  }]);
+
+  return PushButtonWidgetAnnotationElement;
+}(LinkAnnotationElement);
+
+var ChoiceWidgetAnnotationElement = /*#__PURE__*/function (_WidgetAnnotationElem4) {
+  _inherits(ChoiceWidgetAnnotationElement, _WidgetAnnotationElem4);
+
+  var _super8 = _createSuper(ChoiceWidgetAnnotationElement);
+
+  function ChoiceWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, ChoiceWidgetAnnotationElement);
+
+    return _super8.call(this, parameters, parameters.renderInteractiveForms);
+  }
+
+  _createClass(ChoiceWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "choiceWidgetAnnotation";
+      var storage = this.annotationStorage;
+      var id = this.data.id;
+      storage.getOrCreateValue(id, this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null);
+      var selectElement = document.createElement("select");
+      selectElement.disabled = this.data.readOnly;
+      selectElement.name = this.data.fieldName;
+
+      if (!this.data.combo) {
+        selectElement.size = this.data.options.length;
+
+        if (this.data.multiSelect) {
+          selectElement.multiple = true;
+        }
+      }
+
+      var _iterator2 = _createForOfIteratorHelper(this.data.options),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var option = _step2.value;
+          var optionElement = document.createElement("option");
+          optionElement.textContent = option.displayValue;
+          optionElement.value = option.exportValue;
+
+          if (this.data.fieldValue.includes(option.exportValue)) {
+            optionElement.setAttribute("selected", true);
+          }
+
+          selectElement.appendChild(optionElement);
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+
+      selectElement.addEventListener("input", function (event) {
+        var options = event.target.options;
+        var value = options[options.selectedIndex].value;
+        storage.setValue(id, value);
+      });
+      this.container.appendChild(selectElement);
+      return this.container;
+    }
+  }]);
+
+  return ChoiceWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var PopupAnnotationElement = /*#__PURE__*/function (_AnnotationElement4) {
+  _inherits(PopupAnnotationElement, _AnnotationElement4);
+
+  var _super9 = _createSuper(PopupAnnotationElement);
+
+  function PopupAnnotationElement(parameters) {
+    _classCallCheck(this, PopupAnnotationElement);
+
+    var isRenderable = !!(parameters.data.title || parameters.data.contents);
+    return _super9.call(this, parameters, isRenderable);
+  }
+
+  _createClass(PopupAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
+      this.container.className = "popupAnnotation";
+
+      if (IGNORE_TYPES.includes(this.data.parentType)) {
+        return this.container;
+      }
+
+      var selector = "[data-annotation-id=\"".concat(this.data.parentId, "\"]");
+      var parentElement = this.layer.querySelector(selector);
+
+      if (!parentElement) {
+        return this.container;
+      }
+
+      var popup = new PopupElement({
+        container: this.container,
+        trigger: parentElement,
+        color: this.data.color,
+        title: this.data.title,
+        modificationDate: this.data.modificationDate,
+        contents: this.data.contents
+      });
+      var parentLeft = parseFloat(parentElement.style.left);
+      var parentWidth = parseFloat(parentElement.style.width);
+      this.container.style.transformOrigin = "-".concat(parentLeft + parentWidth, "px -").concat(parentElement.style.top);
+      this.container.style.left = "".concat(parentLeft + parentWidth, "px");
+      this.container.appendChild(popup.render());
+      return this.container;
+    }
+  }]);
+
+  return PopupAnnotationElement;
+}(AnnotationElement);
+
+var PopupElement = /*#__PURE__*/function () {
+  function PopupElement(parameters) {
+    _classCallCheck(this, PopupElement);
+
+    this.container = parameters.container;
+    this.trigger = parameters.trigger;
+    this.color = parameters.color;
+    this.title = parameters.title;
+    this.modificationDate = parameters.modificationDate;
+    this.contents = parameters.contents;
+    this.hideWrapper = parameters.hideWrapper || false;
+    this.pinned = false;
+  }
+
+  _createClass(PopupElement, [{
+    key: "render",
+    value: function render() {
+      var BACKGROUND_ENLIGHT = 0.7;
+      var wrapper = document.createElement("div");
+      wrapper.className = "popupWrapper";
+      this.hideElement = this.hideWrapper ? wrapper : this.container;
+      this.hideElement.setAttribute("hidden", true);
+      var popup = document.createElement("div");
+      popup.className = "popup";
+      var color = this.color;
+
+      if (color) {
+        var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+        var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+        var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+        popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
+      }
+
+      var title = document.createElement("h1");
+      title.textContent = this.title;
+      popup.appendChild(title);
+
+      var dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+      if (dateObject) {
+        var modificationDate = document.createElement("span");
+        modificationDate.textContent = "{{date}}, {{time}}";
+        modificationDate.dataset.l10nId = "annotation_date_string";
+        modificationDate.dataset.l10nArgs = JSON.stringify({
+          date: dateObject.toLocaleDateString(),
+          time: dateObject.toLocaleTimeString()
+        });
+        popup.appendChild(modificationDate);
+      }
+
+      var contents = this._formatContents(this.contents);
+
+      popup.appendChild(contents);
+      this.trigger.addEventListener("click", this._toggle.bind(this));
+      this.trigger.addEventListener("mouseover", this._show.bind(this, false));
+      this.trigger.addEventListener("mouseout", this._hide.bind(this, false));
+      popup.addEventListener("click", this._hide.bind(this, true));
+      wrapper.appendChild(popup);
+      return wrapper;
+    }
+  }, {
+    key: "_formatContents",
+    value: function _formatContents(contents) {
+      var p = document.createElement("p");
+      var lines = contents.split(/(?:\r\n?|\n)/);
+
+      for (var i = 0, ii = lines.length; i < ii; ++i) {
+        var line = lines[i];
+        p.appendChild(document.createTextNode(line));
+
+        if (i < ii - 1) {
+          p.appendChild(document.createElement("br"));
+        }
+      }
+
+      return p;
+    }
+  }, {
+    key: "_toggle",
+    value: function _toggle() {
+      if (this.pinned) {
+        this._hide(true);
+      } else {
+        this._show(true);
+      }
+    }
+  }, {
+    key: "_show",
+    value: function _show() {
+      var pin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (pin) {
+        this.pinned = true;
+      }
+
+      if (this.hideElement.hasAttribute("hidden")) {
+        this.hideElement.removeAttribute("hidden");
+        this.container.style.zIndex += 1;
+      }
+    }
+  }, {
+    key: "_hide",
+    value: function _hide() {
+      var unpin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+      if (unpin) {
+        this.pinned = false;
+      }
+
+      if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
+        this.hideElement.setAttribute("hidden", true);
+        this.container.style.zIndex -= 1;
+      }
+    }
+  }]);
+
+  return PopupElement;
+}();
+
+var FreeTextAnnotationElement = /*#__PURE__*/function (_AnnotationElement5) {
+  _inherits(FreeTextAnnotationElement, _AnnotationElement5);
+
+  var _super10 = _createSuper(FreeTextAnnotationElement);
+
+  function FreeTextAnnotationElement(parameters) {
+    _classCallCheck(this, FreeTextAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super10.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(FreeTextAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "freeTextAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return FreeTextAnnotationElement;
+}(AnnotationElement);
+
+var LineAnnotationElement = /*#__PURE__*/function (_AnnotationElement6) {
+  _inherits(LineAnnotationElement, _AnnotationElement6);
+
+  var _super11 = _createSuper(LineAnnotationElement);
+
+  function LineAnnotationElement(parameters) {
+    _classCallCheck(this, LineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super11.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(LineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "lineAnnotation";
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var line = this.svgFactory.createElement("svg:line");
+      line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
+      line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
+      line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
+      line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
+      line.setAttribute("stroke-width", data.borderStyle.width || 1);
+      line.setAttribute("stroke", "transparent");
+      svg.appendChild(line);
+      this.container.append(svg);
+
+      this._createPopup(this.container, line, data);
+
+      return this.container;
+    }
+  }]);
+
+  return LineAnnotationElement;
+}(AnnotationElement);
+
+var SquareAnnotationElement = /*#__PURE__*/function (_AnnotationElement7) {
+  _inherits(SquareAnnotationElement, _AnnotationElement7);
+
+  var _super12 = _createSuper(SquareAnnotationElement);
+
+  function SquareAnnotationElement(parameters) {
+    _classCallCheck(this, SquareAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super12.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(SquareAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "squareAnnotation";
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var borderWidth = data.borderStyle.width;
+      var square = this.svgFactory.createElement("svg:rect");
+      square.setAttribute("x", borderWidth / 2);
+      square.setAttribute("y", borderWidth / 2);
+      square.setAttribute("width", width - borderWidth);
+      square.setAttribute("height", height - borderWidth);
+      square.setAttribute("stroke-width", borderWidth || 1);
+      square.setAttribute("stroke", "transparent");
+      square.setAttribute("fill", "none");
+      svg.appendChild(square);
+      this.container.append(svg);
+
+      this._createPopup(this.container, square, data);
+
+      return this.container;
+    }
+  }]);
+
+  return SquareAnnotationElement;
+}(AnnotationElement);
+
+var CircleAnnotationElement = /*#__PURE__*/function (_AnnotationElement8) {
+  _inherits(CircleAnnotationElement, _AnnotationElement8);
+
+  var _super13 = _createSuper(CircleAnnotationElement);
+
+  function CircleAnnotationElement(parameters) {
+    _classCallCheck(this, CircleAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super13.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(CircleAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "circleAnnotation";
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var borderWidth = data.borderStyle.width;
+      var circle = this.svgFactory.createElement("svg:ellipse");
+      circle.setAttribute("cx", width / 2);
+      circle.setAttribute("cy", height / 2);
+      circle.setAttribute("rx", width / 2 - borderWidth / 2);
+      circle.setAttribute("ry", height / 2 - borderWidth / 2);
+      circle.setAttribute("stroke-width", borderWidth || 1);
+      circle.setAttribute("stroke", "transparent");
+      circle.setAttribute("fill", "none");
+      svg.appendChild(circle);
+      this.container.append(svg);
+
+      this._createPopup(this.container, circle, data);
+
+      return this.container;
+    }
+  }]);
+
+  return CircleAnnotationElement;
+}(AnnotationElement);
+
+var PolylineAnnotationElement = /*#__PURE__*/function (_AnnotationElement9) {
+  _inherits(PolylineAnnotationElement, _AnnotationElement9);
+
+  var _super14 = _createSuper(PolylineAnnotationElement);
+
+  function PolylineAnnotationElement(parameters) {
+    var _this3;
+
+    _classCallCheck(this, PolylineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    _this3 = _super14.call(this, parameters, isRenderable, true);
+    _this3.containerClassName = "polylineAnnotation";
+    _this3.svgElementName = "svg:polyline";
+    return _this3;
+  }
+
+  _createClass(PolylineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = this.containerClassName;
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var points = [];
+
+      var _iterator3 = _createForOfIteratorHelper(data.vertices),
+          _step3;
+
+      try {
+        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+          var coordinate = _step3.value;
+          var x = coordinate.x - data.rect[0];
+          var y = data.rect[3] - coordinate.y;
+          points.push(x + "," + y);
+        }
+      } catch (err) {
+        _iterator3.e(err);
+      } finally {
+        _iterator3.f();
+      }
+
+      points = points.join(" ");
+      var polyline = this.svgFactory.createElement(this.svgElementName);
+      polyline.setAttribute("points", points);
+      polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+      polyline.setAttribute("stroke", "transparent");
+      polyline.setAttribute("fill", "none");
+      svg.appendChild(polyline);
+      this.container.append(svg);
+
+      this._createPopup(this.container, polyline, data);
+
+      return this.container;
+    }
+  }]);
+
+  return PolylineAnnotationElement;
+}(AnnotationElement);
+
+var PolygonAnnotationElement = /*#__PURE__*/function (_PolylineAnnotationEl) {
+  _inherits(PolygonAnnotationElement, _PolylineAnnotationEl);
+
+  var _super15 = _createSuper(PolygonAnnotationElement);
+
+  function PolygonAnnotationElement(parameters) {
+    var _this4;
+
+    _classCallCheck(this, PolygonAnnotationElement);
+
+    _this4 = _super15.call(this, parameters);
+    _this4.containerClassName = "polygonAnnotation";
+    _this4.svgElementName = "svg:polygon";
+    return _this4;
+  }
+
+  return PolygonAnnotationElement;
+}(PolylineAnnotationElement);
+
+var CaretAnnotationElement = /*#__PURE__*/function (_AnnotationElement10) {
+  _inherits(CaretAnnotationElement, _AnnotationElement10);
+
+  var _super16 = _createSuper(CaretAnnotationElement);
+
+  function CaretAnnotationElement(parameters) {
+    _classCallCheck(this, CaretAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super16.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(CaretAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "caretAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return CaretAnnotationElement;
+}(AnnotationElement);
+
+var InkAnnotationElement = /*#__PURE__*/function (_AnnotationElement11) {
+  _inherits(InkAnnotationElement, _AnnotationElement11);
+
+  var _super17 = _createSuper(InkAnnotationElement);
+
+  function InkAnnotationElement(parameters) {
+    var _this5;
+
+    _classCallCheck(this, InkAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    _this5 = _super17.call(this, parameters, isRenderable, true);
+    _this5.containerClassName = "inkAnnotation";
+    _this5.svgElementName = "svg:polyline";
+    return _this5;
+  }
+
+  _createClass(InkAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = this.containerClassName;
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+
+      var _iterator4 = _createForOfIteratorHelper(data.inkLists),
+          _step4;
+
+      try {
+        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+          var inkList = _step4.value;
+          var points = [];
+
+          var _iterator5 = _createForOfIteratorHelper(inkList),
+              _step5;
+
+          try {
+            for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+              var coordinate = _step5.value;
+              var x = coordinate.x - data.rect[0];
+              var y = data.rect[3] - coordinate.y;
+              points.push("".concat(x, ",").concat(y));
+            }
+          } catch (err) {
+            _iterator5.e(err);
+          } finally {
+            _iterator5.f();
+          }
+
+          points = points.join(" ");
+          var polyline = this.svgFactory.createElement(this.svgElementName);
+          polyline.setAttribute("points", points);
+          polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+          polyline.setAttribute("stroke", "transparent");
+          polyline.setAttribute("fill", "none");
+
+          this._createPopup(this.container, polyline, data);
+
+          svg.appendChild(polyline);
+        }
+      } catch (err) {
+        _iterator4.e(err);
+      } finally {
+        _iterator4.f();
+      }
+
+      this.container.append(svg);
+      return this.container;
+    }
+  }]);
+
+  return InkAnnotationElement;
+}(AnnotationElement);
+
+var HighlightAnnotationElement = /*#__PURE__*/function (_AnnotationElement12) {
+  _inherits(HighlightAnnotationElement, _AnnotationElement12);
+
+  var _super18 = _createSuper(HighlightAnnotationElement);
+
+  function HighlightAnnotationElement(parameters) {
+    _classCallCheck(this, HighlightAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super18.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(HighlightAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "highlightAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return HighlightAnnotationElement;
+}(AnnotationElement);
+
+var UnderlineAnnotationElement = /*#__PURE__*/function (_AnnotationElement13) {
+  _inherits(UnderlineAnnotationElement, _AnnotationElement13);
+
+  var _super19 = _createSuper(UnderlineAnnotationElement);
+
+  function UnderlineAnnotationElement(parameters) {
+    _classCallCheck(this, UnderlineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super19.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(UnderlineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "underlineAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return UnderlineAnnotationElement;
+}(AnnotationElement);
+
+var SquigglyAnnotationElement = /*#__PURE__*/function (_AnnotationElement14) {
+  _inherits(SquigglyAnnotationElement, _AnnotationElement14);
+
+  var _super20 = _createSuper(SquigglyAnnotationElement);
+
+  function SquigglyAnnotationElement(parameters) {
+    _classCallCheck(this, SquigglyAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super20.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(SquigglyAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "squigglyAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return SquigglyAnnotationElement;
+}(AnnotationElement);
+
+var StrikeOutAnnotationElement = /*#__PURE__*/function (_AnnotationElement15) {
+  _inherits(StrikeOutAnnotationElement, _AnnotationElement15);
+
+  var _super21 = _createSuper(StrikeOutAnnotationElement);
+
+  function StrikeOutAnnotationElement(parameters) {
+    _classCallCheck(this, StrikeOutAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super21.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(StrikeOutAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "strikeoutAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return StrikeOutAnnotationElement;
+}(AnnotationElement);
+
+var StampAnnotationElement = /*#__PURE__*/function (_AnnotationElement16) {
+  _inherits(StampAnnotationElement, _AnnotationElement16);
+
+  var _super22 = _createSuper(StampAnnotationElement);
+
+  function StampAnnotationElement(parameters) {
+    _classCallCheck(this, StampAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _super22.call(this, parameters, isRenderable, true);
+  }
+
+  _createClass(StampAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "stampAnnotation";
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return StampAnnotationElement;
+}(AnnotationElement);
+
+var FileAttachmentAnnotationElement = /*#__PURE__*/function (_AnnotationElement17) {
+  _inherits(FileAttachmentAnnotationElement, _AnnotationElement17);
+
+  var _super23 = _createSuper(FileAttachmentAnnotationElement);
+
+  function FileAttachmentAnnotationElement(parameters) {
+    var _this6;
+
+    _classCallCheck(this, FileAttachmentAnnotationElement);
+
+    _this6 = _super23.call(this, parameters, true);
+    var _this6$data$file = _this6.data.file,
+        filename = _this6$data$file.filename,
+        content = _this6$data$file.content;
+    _this6.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+    _this6.content = content;
+
+    if (_this6.linkService.eventBus) {
+      _this6.linkService.eventBus.dispatch("fileattachmentannotation", {
+        source: _assertThisInitialized(_this6),
+        id: (0, _util.stringToPDFString)(filename),
+        filename: filename,
+        content: content
+      });
+    }
+
+    return _this6;
+  }
+
+  _createClass(FileAttachmentAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = "fileAttachmentAnnotation";
+      var trigger = document.createElement("div");
+      trigger.style.height = this.container.style.height;
+      trigger.style.width = this.container.style.width;
+      trigger.addEventListener("dblclick", this._download.bind(this));
+
+      if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+        this._createPopup(this.container, trigger, this.data);
+      }
+
+      this.container.appendChild(trigger);
+      return this.container;
+    }
+  }, {
+    key: "_download",
+    value: function _download() {
+      if (!this.downloadManager) {
+        (0, _util.warn)("Download cannot be started due to unavailable download manager");
+        return;
+      }
+
+      this.downloadManager.downloadData(this.content, this.filename, "");
+    }
+  }]);
+
+  return FileAttachmentAnnotationElement;
+}(AnnotationElement);
+
+var AnnotationLayer = /*#__PURE__*/function () {
+  function AnnotationLayer() {
+    _classCallCheck(this, AnnotationLayer);
+  }
+
+  _createClass(AnnotationLayer, null, [{
+    key: "render",
+    value: function render(parameters) {
+      var sortedAnnotations = [],
+          popupAnnotations = [];
+
+      var _iterator6 = _createForOfIteratorHelper(parameters.annotations),
+          _step6;
+
+      try {
+        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+          var _data = _step6.value;
+
+          if (!_data) {
+            continue;
+          }
+
+          if (_data.annotationType === _util.AnnotationType.POPUP) {
+            popupAnnotations.push(_data);
+            continue;
+          }
+
+          sortedAnnotations.push(_data);
+        }
+      } catch (err) {
+        _iterator6.e(err);
+      } finally {
+        _iterator6.f();
+      }
+
+      if (popupAnnotations.length) {
+        sortedAnnotations.push.apply(sortedAnnotations, popupAnnotations);
+      }
+
+      for (var _i = 0, _sortedAnnotations = sortedAnnotations; _i < _sortedAnnotations.length; _i++) {
+        var data = _sortedAnnotations[_i];
+        var element = AnnotationElementFactory.create({
+          data: data,
+          layer: parameters.div,
+          page: parameters.page,
+          viewport: parameters.viewport,
+          linkService: parameters.linkService,
+          downloadManager: parameters.downloadManager,
+          imageResourcesPath: parameters.imageResourcesPath || "",
+          renderInteractiveForms: typeof parameters.renderInteractiveForms === "boolean" ? parameters.renderInteractiveForms : true,
+          svgFactory: new _display_utils.DOMSVGFactory(),
+          annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage()
+        });
+
+        if (element.isRenderable) {
+          parameters.div.appendChild(element.render());
+        }
+      }
+    }
+  }, {
+    key: "update",
+    value: function update(parameters) {
+      var _iterator7 = _createForOfIteratorHelper(parameters.annotations),
+          _step7;
+
+      try {
+        for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+          var data = _step7.value;
+          var element = parameters.div.querySelector("[data-annotation-id=\"".concat(data.id, "\"]"));
+
+          if (element) {
+            element.style.transform = "matrix(".concat(parameters.viewport.transform.join(","), ")");
+          }
+        }
+      } catch (err) {
+        _iterator7.e(err);
+      } finally {
+        _iterator7.f();
+      }
+
+      parameters.div.removeAttribute("hidden");
+    }
+  }]);
+
+  return AnnotationLayer;
+}();
+
+exports.AnnotationLayer = AnnotationLayer;
+
+/***/ }),
+/* 217 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.renderTextLayer = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var renderTextLayer = function renderTextLayerClosure() {
+  var MAX_TEXT_DIVS_TO_RENDER = 100000;
+  var NonWhitespaceRegexp = /\S/;
+
+  function isAllWhitespace(str) {
+    return !NonWhitespaceRegexp.test(str);
+  }
+
+  function appendText(task, geom, styles) {
+    var textDiv = document.createElement("span");
+    var textDivProperties = {
+      angle: 0,
+      canvasWidth: 0,
+      isWhitespace: false,
+      originalTransform: null,
+      paddingBottom: 0,
+      paddingLeft: 0,
+      paddingRight: 0,
+      paddingTop: 0,
+      scale: 1
+    };
+
+    task._textDivs.push(textDiv);
+
+    if (isAllWhitespace(geom.str)) {
+      textDivProperties.isWhitespace = true;
+
+      task._textDivProperties.set(textDiv, textDivProperties);
+
+      return;
+    }
+
+    var tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+    var angle = Math.atan2(tx[1], tx[0]);
+    var style = styles[geom.fontName];
+
+    if (style.vertical) {
+      angle += Math.PI / 2;
+    }
+
+    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
+    var fontAscent = fontHeight;
+
+    if (style.ascent) {
+      fontAscent = style.ascent * fontAscent;
+    } else if (style.descent) {
+      fontAscent = (1 + style.descent) * fontAscent;
+    }
+
+    var left, top;
+
+    if (angle === 0) {
+      left = tx[4];
+      top = tx[5] - fontAscent;
+    } else {
+      left = tx[4] + fontAscent * Math.sin(angle);
+      top = tx[5] - fontAscent * Math.cos(angle);
+    }
+
+    textDiv.style.left = "".concat(left, "px");
+    textDiv.style.top = "".concat(top, "px");
+    textDiv.style.fontSize = "".concat(fontHeight, "px");
+    textDiv.style.fontFamily = style.fontFamily;
+    textDiv.textContent = geom.str;
+
+    if (task._fontInspectorEnabled) {
+      textDiv.dataset.fontName = geom.fontName;
+    }
+
+    if (angle !== 0) {
+      textDivProperties.angle = angle * (180 / Math.PI);
+    }
+
+    var shouldScaleText = false;
+
+    if (geom.str.length > 1) {
+      shouldScaleText = true;
+    } else if (geom.transform[0] !== geom.transform[3]) {
+      var absScaleX = Math.abs(geom.transform[0]),
+          absScaleY = Math.abs(geom.transform[3]);
+
+      if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
+        shouldScaleText = true;
+      }
+    }
+
+    if (shouldScaleText) {
+      if (style.vertical) {
+        textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+      } else {
+        textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+      }
+    }
+
+    task._textDivProperties.set(textDiv, textDivProperties);
+
+    if (task._textContentStream) {
+      task._layoutText(textDiv);
+    }
+
+    if (task._enhanceTextSelection) {
+      var angleCos = 1,
+          angleSin = 0;
+
+      if (angle !== 0) {
+        angleCos = Math.cos(angle);
+        angleSin = Math.sin(angle);
+      }
+
+      var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+      var divHeight = fontHeight;
+      var m, b;
+
+      if (angle !== 0) {
+        m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+        b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+      } else {
+        b = [left, top, left + divWidth, top + divHeight];
+      }
+
+      task._bounds.push({
+        left: b[0],
+        top: b[1],
+        right: b[2],
+        bottom: b[3],
+        div: textDiv,
+        size: [divWidth, divHeight],
+        m: m
+      });
+    }
+  }
+
+  function render(task) {
+    if (task._canceled) {
+      return;
+    }
+
+    var textDivs = task._textDivs;
+    var capability = task._capability;
+    var textDivsLength = textDivs.length;
+
+    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+      task._renderingDone = true;
+      capability.resolve();
+      return;
+    }
+
+    if (!task._textContentStream) {
+      for (var i = 0; i < textDivsLength; i++) {
+        task._layoutText(textDivs[i]);
+      }
+    }
+
+    task._renderingDone = true;
+    capability.resolve();
+  }
+
+  function findPositiveMin(ts, offset, count) {
+    var result = 0;
+
+    for (var i = 0; i < count; i++) {
+      var t = ts[offset++];
+
+      if (t > 0) {
+        result = result ? Math.min(t, result) : t;
+      }
+    }
+
+    return result;
+  }
+
+  function expand(task) {
+    var bounds = task._bounds;
+    var viewport = task._viewport;
+    var expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+    for (var i = 0; i < expanded.length; i++) {
+      var div = bounds[i].div;
+
+      var divProperties = task._textDivProperties.get(div);
+
+      if (divProperties.angle === 0) {
+        divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+        divProperties.paddingTop = bounds[i].top - expanded[i].top;
+        divProperties.paddingRight = expanded[i].right - bounds[i].right;
+        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+        task._textDivProperties.set(div, divProperties);
+
+        continue;
+      }
+
+      var e = expanded[i],
+          b = bounds[i];
+      var m = b.m,
+          c = m[0],
+          s = m[1];
+      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+      var ts = new Float64Array(64);
+      points.forEach(function (p, j) {
+        var t = _util.Util.applyTransform(p, m);
+
+        ts[j + 0] = c && (e.left - t[0]) / c;
+        ts[j + 4] = s && (e.top - t[1]) / s;
+        ts[j + 8] = c && (e.right - t[0]) / c;
+        ts[j + 12] = s && (e.bottom - t[1]) / s;
+        ts[j + 16] = s && (e.left - t[0]) / -s;
+        ts[j + 20] = c && (e.top - t[1]) / c;
+        ts[j + 24] = s && (e.right - t[0]) / -s;
+        ts[j + 28] = c && (e.bottom - t[1]) / c;
+        ts[j + 32] = c && (e.left - t[0]) / -c;
+        ts[j + 36] = s && (e.top - t[1]) / -s;
+        ts[j + 40] = c && (e.right - t[0]) / -c;
+        ts[j + 44] = s && (e.bottom - t[1]) / -s;
+        ts[j + 48] = s && (e.left - t[0]) / s;
+        ts[j + 52] = c && (e.top - t[1]) / -c;
+        ts[j + 56] = s && (e.right - t[0]) / s;
+        ts[j + 60] = c && (e.bottom - t[1]) / -c;
+      });
+      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+      task._textDivProperties.set(div, divProperties);
+    }
+  }
+
+  function expandBounds(width, height, boxes) {
+    var bounds = boxes.map(function (box, i) {
+      return {
+        x1: box.left,
+        y1: box.top,
+        x2: box.right,
+        y2: box.bottom,
+        index: i,
+        x1New: undefined,
+        x2New: undefined
+      };
+    });
+    expandBoundsLTR(width, bounds);
+    var expanded = new Array(boxes.length);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i] = {
+        left: b.x1New,
+        top: 0,
+        right: b.x2New,
+        bottom: 0
+      };
+    });
+    boxes.map(function (box, i) {
+      var e = expanded[i],
+          b = bounds[i];
+      b.x1 = box.top;
+      b.y1 = width - e.right;
+      b.x2 = box.bottom;
+      b.y2 = width - e.left;
+      b.index = i;
+      b.x1New = undefined;
+      b.x2New = undefined;
+    });
+    expandBoundsLTR(height, bounds);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i].top = b.x1New;
+      expanded[i].bottom = b.x2New;
+    });
+    return expanded;
+  }
+
+  function expandBoundsLTR(width, bounds) {
+    bounds.sort(function (a, b) {
+      return a.x1 - b.x1 || a.index - b.index;
+    });
+    var fakeBoundary = {
+      x1: -Infinity,
+      y1: -Infinity,
+      x2: 0,
+      y2: Infinity,
+      index: -1,
+      x1New: 0,
+      x2New: 0
+    };
+    var horizon = [{
+      start: -Infinity,
+      end: Infinity,
+      boundary: fakeBoundary
+    }];
+    bounds.forEach(function (boundary) {
+      var i = 0;
+
+      while (i < horizon.length && horizon[i].end <= boundary.y1) {
+        i++;
+      }
+
+      var j = horizon.length - 1;
+
+      while (j >= 0 && horizon[j].start >= boundary.y2) {
+        j--;
+      }
+
+      var horizonPart, affectedBoundary;
+      var q,
+          k,
+          maxXNew = -Infinity;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var xNew;
+
+        if (affectedBoundary.x2 > boundary.x1) {
+          xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+        } else if (affectedBoundary.x2New === undefined) {
+          xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+        } else {
+          xNew = affectedBoundary.x2New;
+        }
+
+        if (xNew > maxXNew) {
+          maxXNew = xNew;
+        }
+      }
+
+      boundary.x1New = maxXNew;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New === undefined) {
+          if (affectedBoundary.x2 > boundary.x1) {
+            if (affectedBoundary.index > boundary.index) {
+              affectedBoundary.x2New = affectedBoundary.x2;
+            }
+          } else {
+            affectedBoundary.x2New = maxXNew;
+          }
+        } else if (affectedBoundary.x2New > maxXNew) {
+          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+        }
+      }
+
+      var changedHorizon = [],
+          lastBoundary = null;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+        if (lastBoundary === useBoundary) {
+          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+        } else {
+          changedHorizon.push({
+            start: horizonPart.start,
+            end: horizonPart.end,
+            boundary: useBoundary
+          });
+          lastBoundary = useBoundary;
+        }
+      }
+
+      if (horizon[i].start < boundary.y1) {
+        changedHorizon[0].start = boundary.y1;
+        changedHorizon.unshift({
+          start: horizon[i].start,
+          end: boundary.y1,
+          boundary: horizon[i].boundary
+        });
+      }
+
+      if (boundary.y2 < horizon[j].end) {
+        changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+        changedHorizon.push({
+          start: boundary.y2,
+          end: horizon[j].end,
+          boundary: horizon[j].boundary
+        });
+      }
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New !== undefined) {
+          continue;
+        }
+
+        var used = false;
+
+        for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = 0; !used && k < changedHorizon.length; k++) {
+          used = changedHorizon[k].boundary === affectedBoundary;
+        }
+
+        if (!used) {
+          affectedBoundary.x2New = maxXNew;
+        }
+      }
+
+      Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
+    });
+    horizon.forEach(function (horizonPart) {
+      var affectedBoundary = horizonPart.boundary;
+
+      if (affectedBoundary.x2New === undefined) {
+        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+      }
+    });
+  }
+
+  function TextLayerRenderTask(_ref) {
+    var _this = this;
+
+    var textContent = _ref.textContent,
+        textContentStream = _ref.textContentStream,
+        container = _ref.container,
+        viewport = _ref.viewport,
+        textDivs = _ref.textDivs,
+        textContentItemsStr = _ref.textContentItemsStr,
+        enhanceTextSelection = _ref.enhanceTextSelection;
+    this._textContent = textContent;
+    this._textContentStream = textContentStream;
+    this._container = container;
+    this._document = container.ownerDocument;
+    this._viewport = viewport;
+    this._textDivs = textDivs || [];
+    this._textContentItemsStr = textContentItemsStr || [];
+    this._enhanceTextSelection = !!enhanceTextSelection;
+    this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.FontInspector.enabled);
+    this._reader = null;
+    this._layoutTextLastFontSize = null;
+    this._layoutTextLastFontFamily = null;
+    this._layoutTextCtx = null;
+    this._textDivProperties = new WeakMap();
+    this._renderingDone = false;
+    this._canceled = false;
+    this._capability = (0, _util.createPromiseCapability)();
+    this._renderTimer = null;
+    this._bounds = [];
+
+    this._capability.promise["finally"](function () {
+      if (_this._layoutTextCtx) {
+        _this._layoutTextCtx.canvas.width = 0;
+        _this._layoutTextCtx.canvas.height = 0;
+        _this._layoutTextCtx = null;
+      }
+    })["catch"](function () {});
+  }
+
+  TextLayerRenderTask.prototype = {
+    get promise() {
+      return this._capability.promise;
+    },
+
+    cancel: function TextLayer_cancel() {
+      this._canceled = true;
+
+      if (this._reader) {
+        this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
+
+        this._reader = null;
+      }
+
+      if (this._renderTimer !== null) {
+        clearTimeout(this._renderTimer);
+        this._renderTimer = null;
+      }
+
+      this._capability.reject(new Error("TextLayer task cancelled."));
+    },
+    _processItems: function _processItems(items, styleCache) {
+      for (var i = 0, len = items.length; i < len; i++) {
+        this._textContentItemsStr.push(items[i].str);
+
+        appendText(this, items[i], styleCache);
+      }
+    },
+    _layoutText: function _layoutText(textDiv) {
+      var textDivProperties = this._textDivProperties.get(textDiv);
+
+      if (textDivProperties.isWhitespace) {
+        return;
+      }
+
+      var transform = "";
+
+      if (textDivProperties.canvasWidth !== 0) {
+        var _textDiv$style = textDiv.style,
+            fontSize = _textDiv$style.fontSize,
+            fontFamily = _textDiv$style.fontFamily;
+
+        if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+          this._layoutTextCtx.font = "".concat(fontSize, " ").concat(fontFamily);
+          this._layoutTextLastFontSize = fontSize;
+          this._layoutTextLastFontFamily = fontFamily;
+        }
+
+        var _this$_layoutTextCtx$ = this._layoutTextCtx.measureText(textDiv.textContent),
+            width = _this$_layoutTextCtx$.width;
+
+        if (width > 0) {
+          textDivProperties.scale = textDivProperties.canvasWidth / width;
+          transform = "scaleX(".concat(textDivProperties.scale, ")");
+        }
+      }
+
+      if (textDivProperties.angle !== 0) {
+        transform = "rotate(".concat(textDivProperties.angle, "deg) ").concat(transform);
+      }
+
+      if (transform.length > 0) {
+        if (this._enhanceTextSelection) {
+          textDivProperties.originalTransform = transform;
+        }
+
+        textDiv.style.transform = transform;
+      }
+
+      this._textDivProperties.set(textDiv, textDivProperties);
+
+      this._container.appendChild(textDiv);
+    },
+    _render: function TextLayer_render(timeout) {
+      var _this2 = this;
+
+      var capability = (0, _util.createPromiseCapability)();
+      var styleCache = Object.create(null);
+
+      var canvas = this._document.createElement("canvas");
+
+      canvas.mozOpaque = true;
+      this._layoutTextCtx = canvas.getContext("2d", {
+        alpha: false
+      });
+
+      if (this._textContent) {
+        var textItems = this._textContent.items;
+        var textStyles = this._textContent.styles;
+
+        this._processItems(textItems, textStyles);
+
+        capability.resolve();
+      } else if (this._textContentStream) {
+        var pump = function pump() {
+          _this2._reader.read().then(function (_ref2) {
+            var value = _ref2.value,
+                done = _ref2.done;
+
+            if (done) {
+              capability.resolve();
+              return;
+            }
+
+            Object.assign(styleCache, value.styles);
+
+            _this2._processItems(value.items, styleCache);
+
+            pump();
+          }, capability.reject);
+        };
+
+        this._reader = this._textContentStream.getReader();
+        pump();
+      } else {
+        throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified.");
+      }
+
+      capability.promise.then(function () {
+        styleCache = null;
+
+        if (!timeout) {
+          render(_this2);
+        } else {
+          _this2._renderTimer = setTimeout(function () {
+            render(_this2);
+            _this2._renderTimer = null;
+          }, timeout);
+        }
+      }, this._capability.reject);
+    },
+    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+      if (!this._enhanceTextSelection || !this._renderingDone) {
+        return;
+      }
+
+      if (this._bounds !== null) {
+        expand(this);
+        this._bounds = null;
+      }
+
+      var transformBuf = [],
+          paddingBuf = [];
+
+      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
+        var div = this._textDivs[i];
+
+        var divProps = this._textDivProperties.get(div);
+
+        if (divProps.isWhitespace) {
+          continue;
+        }
+
+        if (expandDivs) {
+          transformBuf.length = 0;
+          paddingBuf.length = 0;
+
+          if (divProps.originalTransform) {
+            transformBuf.push(divProps.originalTransform);
+          }
+
+          if (divProps.paddingTop > 0) {
+            paddingBuf.push("".concat(divProps.paddingTop, "px"));
+            transformBuf.push("translateY(".concat(-divProps.paddingTop, "px)"));
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingRight > 0) {
+            paddingBuf.push("".concat(divProps.paddingRight / divProps.scale, "px"));
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingBottom > 0) {
+            paddingBuf.push("".concat(divProps.paddingBottom, "px"));
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingLeft > 0) {
+            paddingBuf.push("".concat(divProps.paddingLeft / divProps.scale, "px"));
+            transformBuf.push("translateX(".concat(-divProps.paddingLeft / divProps.scale, "px)"));
+          } else {
+            paddingBuf.push(0);
+          }
+
+          div.style.padding = paddingBuf.join(" ");
+
+          if (transformBuf.length) {
+            div.style.transform = transformBuf.join(" ");
+          }
+        } else {
+          div.style.padding = null;
+          div.style.transform = divProps.originalTransform;
+        }
+      }
+    }
+  };
+
+  function renderTextLayer(renderParameters) {
+    var task = new TextLayerRenderTask({
+      textContent: renderParameters.textContent,
+      textContentStream: renderParameters.textContentStream,
+      container: renderParameters.container,
+      viewport: renderParameters.viewport,
+      textDivs: renderParameters.textDivs,
+      textContentItemsStr: renderParameters.textContentItemsStr,
+      enhanceTextSelection: renderParameters.enhanceTextSelection
+    });
+
+    task._render(renderParameters.timeout);
+
+    return task;
+  }
+
+  return renderTextLayer;
+}();
+
+exports.renderTextLayer = renderTextLayer;
+
+/***/ }),
+/* 218 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SVGGraphics = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(7);
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var SVGGraphics = function SVGGraphics() {
+  throw new Error("Not implemented: SVGGraphics");
+};
+
+exports.SVGGraphics = SVGGraphics;
+{
+  var opListToTree = function opListToTree(opList) {
+    var opTree = [];
+    var tmp = [];
+
+    var _iterator = _createForOfIteratorHelper(opList),
+        _step;
+
+    try {
+      for (_iterator.s(); !(_step = _iterator.n()).done;) {
+        var opListElement = _step.value;
+
+        if (opListElement.fn === "save") {
+          opTree.push({
+            fnId: 92,
+            fn: "group",
+            items: []
+          });
+          tmp.push(opTree);
+          opTree = opTree[opTree.length - 1].items;
+          continue;
+        }
+
+        if (opListElement.fn === "restore") {
+          opTree = tmp.pop();
+        } else {
+          opTree.push(opListElement);
+        }
+      }
+    } catch (err) {
+      _iterator.e(err);
+    } finally {
+      _iterator.f();
+    }
+
+    return opTree;
+  };
+
+  var pf = function pf(value) {
+    if (Number.isInteger(value)) {
+      return value.toString();
+    }
+
+    var s = value.toFixed(10);
+    var i = s.length - 1;
+
+    if (s[i] !== "0") {
+      return s;
+    }
+
+    do {
+      i--;
+    } while (s[i] === "0");
+
+    return s.substring(0, s[i] === "." ? i : i + 1);
+  };
+
+  var pm = function pm(m) {
+    if (m[4] === 0 && m[5] === 0) {
+      if (m[1] === 0 && m[2] === 0) {
+        if (m[0] === 1 && m[3] === 1) {
+          return "";
+        }
+
+        return "scale(".concat(pf(m[0]), " ").concat(pf(m[3]), ")");
+      }
+
+      if (m[0] === m[3] && m[1] === -m[2]) {
+        var a = Math.acos(m[0]) * 180 / Math.PI;
+        return "rotate(".concat(pf(a), ")");
+      }
+    } else {
+      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+        return "translate(".concat(pf(m[4]), " ").concat(pf(m[5]), ")");
+      }
+    }
+
+    return "matrix(".concat(pf(m[0]), " ").concat(pf(m[1]), " ").concat(pf(m[2]), " ").concat(pf(m[3]), " ").concat(pf(m[4]), " ") + "".concat(pf(m[5]), ")");
+  };
+
+  var SVG_DEFAULTS = {
+    fontStyle: "normal",
+    fontWeight: "normal",
+    fillColor: "#000000"
+  };
+  var XML_NS = "http://www.w3.org/XML/1998/namespace";
+  var XLINK_NS = "http://www.w3.org/1999/xlink";
+  var LINE_CAP_STYLES = ["butt", "round", "square"];
+  var LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+
+  var convertImgDataToPng = function () {
+    var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+    var CHUNK_WRAPPER_SIZE = 12;
+    var crcTable = new Int32Array(256);
+
+    for (var i = 0; i < 256; i++) {
+      var c = i;
+
+      for (var h = 0; h < 8; h++) {
+        if (c & 1) {
+          c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
+        } else {
+          c = c >> 1 & 0x7fffffff;
+        }
+      }
+
+      crcTable[i] = c;
+    }
+
+    function crc32(data, start, end) {
+      var crc = -1;
+
+      for (var _i = start; _i < end; _i++) {
+        var a = (crc ^ data[_i]) & 0xff;
+        var b = crcTable[a];
+        crc = crc >>> 8 ^ b;
+      }
+
+      return crc ^ -1;
+    }
+
+    function writePngChunk(type, body, data, offset) {
+      var p = offset;
+      var len = body.length;
+      data[p] = len >> 24 & 0xff;
+      data[p + 1] = len >> 16 & 0xff;
+      data[p + 2] = len >> 8 & 0xff;
+      data[p + 3] = len & 0xff;
+      p += 4;
+      data[p] = type.charCodeAt(0) & 0xff;
+      data[p + 1] = type.charCodeAt(1) & 0xff;
+      data[p + 2] = type.charCodeAt(2) & 0xff;
+      data[p + 3] = type.charCodeAt(3) & 0xff;
+      p += 4;
+      data.set(body, p);
+      p += body.length;
+      var crc = crc32(data, offset + 4, p);
+      data[p] = crc >> 24 & 0xff;
+      data[p + 1] = crc >> 16 & 0xff;
+      data[p + 2] = crc >> 8 & 0xff;
+      data[p + 3] = crc & 0xff;
+    }
+
+    function adler32(data, start, end) {
+      var a = 1;
+      var b = 0;
+
+      for (var _i2 = start; _i2 < end; ++_i2) {
+        a = (a + (data[_i2] & 0xff)) % 65521;
+        b = (b + a) % 65521;
+      }
+
+      return b << 16 | a;
+    }
+
+    function deflateSync(literals) {
+      if (!_is_node.isNodeJS) {
+        return deflateSyncUncompressed(literals);
+      }
+
+      try {
+        var input;
+
+        if (parseInt(process.versions.node) >= 8) {
+          input = literals;
+        } else {
+          input = Buffer.from(literals);
+        }
+
+        var output = require("zlib").deflateSync(input, {
+          level: 9
+        });
+
+        return output instanceof Uint8Array ? output : new Uint8Array(output);
+      } catch (e) {
+        (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
+      }
+
+      return deflateSyncUncompressed(literals);
+    }
+
+    function deflateSyncUncompressed(literals) {
+      var len = literals.length;
+      var maxBlockLength = 0xffff;
+      var deflateBlocks = Math.ceil(len / maxBlockLength);
+      var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+      var pi = 0;
+      idat[pi++] = 0x78;
+      idat[pi++] = 0x9c;
+      var pos = 0;
+
+      while (len > maxBlockLength) {
+        idat[pi++] = 0x00;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0x00;
+        idat[pi++] = 0x00;
+        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+        pi += maxBlockLength;
+        pos += maxBlockLength;
+        len -= maxBlockLength;
+      }
+
+      idat[pi++] = 0x01;
+      idat[pi++] = len & 0xff;
+      idat[pi++] = len >> 8 & 0xff;
+      idat[pi++] = ~len & 0xffff & 0xff;
+      idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+      idat.set(literals.subarray(pos), pi);
+      pi += literals.length - pos;
+      var adler = adler32(literals, 0, literals.length);
+      idat[pi++] = adler >> 24 & 0xff;
+      idat[pi++] = adler >> 16 & 0xff;
+      idat[pi++] = adler >> 8 & 0xff;
+      idat[pi++] = adler & 0xff;
+      return idat;
+    }
+
+    function encode(imgData, kind, forceDataSchema, isMask) {
+      var width = imgData.width;
+      var height = imgData.height;
+      var bitDepth, colorType, lineSize;
+      var bytes = imgData.data;
+
+      switch (kind) {
+        case _util.ImageKind.GRAYSCALE_1BPP:
+          colorType = 0;
+          bitDepth = 1;
+          lineSize = width + 7 >> 3;
+          break;
+
+        case _util.ImageKind.RGB_24BPP:
+          colorType = 2;
+          bitDepth = 8;
+          lineSize = width * 3;
+          break;
+
+        case _util.ImageKind.RGBA_32BPP:
+          colorType = 6;
+          bitDepth = 8;
+          lineSize = width * 4;
+          break;
+
+        default:
+          throw new Error("invalid format");
+      }
+
+      var literals = new Uint8Array((1 + lineSize) * height);
+      var offsetLiterals = 0,
+          offsetBytes = 0;
+
+      for (var y = 0; y < height; ++y) {
+        literals[offsetLiterals++] = 0;
+        literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
+        offsetBytes += lineSize;
+        offsetLiterals += lineSize;
+      }
+
+      if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
+        offsetLiterals = 0;
+
+        for (var _y = 0; _y < height; _y++) {
+          offsetLiterals++;
+
+          for (var _i3 = 0; _i3 < lineSize; _i3++) {
+            literals[offsetLiterals++] ^= 0xff;
+          }
+        }
+      }
+
+      var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
+      var idat = deflateSync(literals);
+      var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
+      var data = new Uint8Array(pngLength);
+      var offset = 0;
+      data.set(PNG_HEADER, offset);
+      offset += PNG_HEADER.length;
+      writePngChunk("IHDR", ihdr, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+      writePngChunk("IDATA", idat, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + idat.length;
+      writePngChunk("IEND", new Uint8Array(0), data, offset);
+      return (0, _util.createObjectURL)(data, "image/png", forceDataSchema);
+    }
+
+    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
+      var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
+      return encode(imgData, kind, forceDataSchema, isMask);
+    };
+  }();
+
+  var SVGExtraState = /*#__PURE__*/function () {
+    function SVGExtraState() {
+      _classCallCheck(this, SVGExtraState);
+
+      this.fontSizeScale = 1;
+      this.fontWeight = SVG_DEFAULTS.fontWeight;
+      this.fontSize = 0;
+      this.textMatrix = _util.IDENTITY_MATRIX;
+      this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+      this.leading = 0;
+      this.textRenderingMode = _util.TextRenderingMode.FILL;
+      this.textMatrixScale = 1;
+      this.x = 0;
+      this.y = 0;
+      this.lineX = 0;
+      this.lineY = 0;
+      this.charSpacing = 0;
+      this.wordSpacing = 0;
+      this.textHScale = 1;
+      this.textRise = 0;
+      this.fillColor = SVG_DEFAULTS.fillColor;
+      this.strokeColor = "#000000";
+      this.fillAlpha = 1;
+      this.strokeAlpha = 1;
+      this.lineWidth = 1;
+      this.lineJoin = "";
+      this.lineCap = "";
+      this.miterLimit = 0;
+      this.dashArray = [];
+      this.dashPhase = 0;
+      this.dependencies = [];
+      this.activeClipUrl = null;
+      this.clipGroup = null;
+      this.maskId = "";
+    }
+
+    _createClass(SVGExtraState, [{
+      key: "clone",
+      value: function clone() {
+        return Object.create(this);
+      }
+    }, {
+      key: "setCurrentPoint",
+      value: function setCurrentPoint(x, y) {
+        this.x = x;
+        this.y = y;
+      }
+    }]);
+
+    return SVGExtraState;
+  }();
+
+  var clipCount = 0;
+  var maskCount = 0;
+  var shadingCount = 0;
+
+  exports.SVGGraphics = SVGGraphics = /*#__PURE__*/function () {
+    function SVGGraphics(commonObjs, objs) {
+      var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+      _classCallCheck(this, SVGGraphics);
+
+      this.svgFactory = new _display_utils.DOMSVGFactory();
+      this.current = new SVGExtraState();
+      this.transformMatrix = _util.IDENTITY_MATRIX;
+      this.transformStack = [];
+      this.extraStack = [];
+      this.commonObjs = commonObjs;
+      this.objs = objs;
+      this.pendingClip = null;
+      this.pendingEOFill = false;
+      this.embedFonts = false;
+      this.embeddedFonts = Object.create(null);
+      this.cssStyle = null;
+      this.forceDataSchema = !!forceDataSchema;
+      this._operatorIdMapping = [];
+
+      for (var op in _util.OPS) {
+        this._operatorIdMapping[_util.OPS[op]] = op;
+      }
+    }
+
+    _createClass(SVGGraphics, [{
+      key: "save",
+      value: function save() {
+        this.transformStack.push(this.transformMatrix);
+        var old = this.current;
+        this.extraStack.push(old);
+        this.current = old.clone();
+      }
+    }, {
+      key: "restore",
+      value: function restore() {
+        this.transformMatrix = this.transformStack.pop();
+        this.current = this.extraStack.pop();
+        this.pendingClip = null;
+        this.tgrp = null;
+      }
+    }, {
+      key: "group",
+      value: function group(items) {
+        this.save();
+        this.executeOpTree(items);
+        this.restore();
+      }
+    }, {
+      key: "loadDependencies",
+      value: function loadDependencies(operatorList) {
+        var _this = this;
+
+        var fnArray = operatorList.fnArray;
+        var argsArray = operatorList.argsArray;
+
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          if (fnArray[i] !== _util.OPS.dependency) {
+            continue;
+          }
+
+          var _iterator2 = _createForOfIteratorHelper(argsArray[i]),
+              _step2;
+
+          try {
+            var _loop = function _loop() {
+              var obj = _step2.value;
+              var objsPool = obj.startsWith("g_") ? _this.commonObjs : _this.objs;
+              var promise = new Promise(function (resolve) {
+                objsPool.get(obj, resolve);
+              });
+
+              _this.current.dependencies.push(promise);
+            };
+
+            for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+              _loop();
+            }
+          } catch (err) {
+            _iterator2.e(err);
+          } finally {
+            _iterator2.f();
+          }
+        }
+
+        return Promise.all(this.current.dependencies);
+      }
+    }, {
+      key: "transform",
+      value: function transform(a, b, c, d, e, f) {
+        var transformMatrix = [a, b, c, d, e, f];
+        this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
+        this.tgrp = null;
+      }
+    }, {
+      key: "getSVG",
+      value: function getSVG(operatorList, viewport) {
+        var _this2 = this;
+
+        this.viewport = viewport;
+
+        var svgElement = this._initialize(viewport);
+
+        return this.loadDependencies(operatorList).then(function () {
+          _this2.transformMatrix = _util.IDENTITY_MATRIX;
+
+          _this2.executeOpTree(_this2.convertOpList(operatorList));
+
+          return svgElement;
+        });
+      }
+    }, {
+      key: "convertOpList",
+      value: function convertOpList(operatorList) {
+        var operatorIdMapping = this._operatorIdMapping;
+        var argsArray = operatorList.argsArray;
+        var fnArray = operatorList.fnArray;
+        var opList = [];
+
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          var fnId = fnArray[i];
+          opList.push({
+            fnId: fnId,
+            fn: operatorIdMapping[fnId],
+            args: argsArray[i]
+          });
+        }
+
+        return opListToTree(opList);
+      }
+    }, {
+      key: "executeOpTree",
+      value: function executeOpTree(opTree) {
+        var _iterator3 = _createForOfIteratorHelper(opTree),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var opTreeElement = _step3.value;
+            var fn = opTreeElement.fn;
+            var fnId = opTreeElement.fnId;
+            var args = opTreeElement.args;
+
+            switch (fnId | 0) {
+              case _util.OPS.beginText:
+                this.beginText();
+                break;
+
+              case _util.OPS.dependency:
+                break;
+
+              case _util.OPS.setLeading:
+                this.setLeading(args);
+                break;
+
+              case _util.OPS.setLeadingMoveText:
+                this.setLeadingMoveText(args[0], args[1]);
+                break;
+
+              case _util.OPS.setFont:
+                this.setFont(args);
+                break;
+
+              case _util.OPS.showText:
+                this.showText(args[0]);
+                break;
+
+              case _util.OPS.showSpacedText:
+                this.showText(args[0]);
+                break;
+
+              case _util.OPS.endText:
+                this.endText();
+                break;
+
+              case _util.OPS.moveText:
+                this.moveText(args[0], args[1]);
+                break;
+
+              case _util.OPS.setCharSpacing:
+                this.setCharSpacing(args[0]);
+                break;
+
+              case _util.OPS.setWordSpacing:
+                this.setWordSpacing(args[0]);
+                break;
+
+              case _util.OPS.setHScale:
+                this.setHScale(args[0]);
+                break;
+
+              case _util.OPS.setTextMatrix:
+                this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+                break;
+
+              case _util.OPS.setTextRise:
+                this.setTextRise(args[0]);
+                break;
+
+              case _util.OPS.setTextRenderingMode:
+                this.setTextRenderingMode(args[0]);
+                break;
+
+              case _util.OPS.setLineWidth:
+                this.setLineWidth(args[0]);
+                break;
+
+              case _util.OPS.setLineJoin:
+                this.setLineJoin(args[0]);
+                break;
+
+              case _util.OPS.setLineCap:
+                this.setLineCap(args[0]);
+                break;
+
+              case _util.OPS.setMiterLimit:
+                this.setMiterLimit(args[0]);
+                break;
+
+              case _util.OPS.setFillRGBColor:
+                this.setFillRGBColor(args[0], args[1], args[2]);
+                break;
+
+              case _util.OPS.setStrokeRGBColor:
+                this.setStrokeRGBColor(args[0], args[1], args[2]);
+                break;
+
+              case _util.OPS.setStrokeColorN:
+                this.setStrokeColorN(args);
+                break;
+
+              case _util.OPS.setFillColorN:
+                this.setFillColorN(args);
+                break;
+
+              case _util.OPS.shadingFill:
+                this.shadingFill(args[0]);
+                break;
+
+              case _util.OPS.setDash:
+                this.setDash(args[0], args[1]);
+                break;
+
+              case _util.OPS.setRenderingIntent:
+                this.setRenderingIntent(args[0]);
+                break;
+
+              case _util.OPS.setFlatness:
+                this.setFlatness(args[0]);
+                break;
+
+              case _util.OPS.setGState:
+                this.setGState(args[0]);
+                break;
+
+              case _util.OPS.fill:
+                this.fill();
+                break;
+
+              case _util.OPS.eoFill:
+                this.eoFill();
+                break;
+
+              case _util.OPS.stroke:
+                this.stroke();
+                break;
+
+              case _util.OPS.fillStroke:
+                this.fillStroke();
+                break;
+
+              case _util.OPS.eoFillStroke:
+                this.eoFillStroke();
+                break;
+
+              case _util.OPS.clip:
+                this.clip("nonzero");
+                break;
+
+              case _util.OPS.eoClip:
+                this.clip("evenodd");
+                break;
+
+              case _util.OPS.paintSolidColorImageMask:
+                this.paintSolidColorImageMask();
+                break;
+
+              case _util.OPS.paintImageXObject:
+                this.paintImageXObject(args[0]);
+                break;
+
+              case _util.OPS.paintInlineImageXObject:
+                this.paintInlineImageXObject(args[0]);
+                break;
+
+              case _util.OPS.paintImageMaskXObject:
+                this.paintImageMaskXObject(args[0]);
+                break;
+
+              case _util.OPS.paintFormXObjectBegin:
+                this.paintFormXObjectBegin(args[0], args[1]);
+                break;
+
+              case _util.OPS.paintFormXObjectEnd:
+                this.paintFormXObjectEnd();
+                break;
+
+              case _util.OPS.closePath:
+                this.closePath();
+                break;
+
+              case _util.OPS.closeStroke:
+                this.closeStroke();
+                break;
+
+              case _util.OPS.closeFillStroke:
+                this.closeFillStroke();
+                break;
+
+              case _util.OPS.closeEOFillStroke:
+                this.closeEOFillStroke();
+                break;
+
+              case _util.OPS.nextLine:
+                this.nextLine();
+                break;
+
+              case _util.OPS.transform:
+                this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
+                break;
+
+              case _util.OPS.constructPath:
+                this.constructPath(args[0], args[1]);
+                break;
+
+              case _util.OPS.endPath:
+                this.endPath();
+                break;
+
+              case 92:
+                this.group(opTreeElement.items);
+                break;
+
+              default:
+                (0, _util.warn)("Unimplemented operator ".concat(fn));
+                break;
+            }
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+      }
+    }, {
+      key: "setWordSpacing",
+      value: function setWordSpacing(wordSpacing) {
+        this.current.wordSpacing = wordSpacing;
+      }
+    }, {
+      key: "setCharSpacing",
+      value: function setCharSpacing(charSpacing) {
+        this.current.charSpacing = charSpacing;
+      }
+    }, {
+      key: "nextLine",
+      value: function nextLine() {
+        this.moveText(0, this.current.leading);
+      }
+    }, {
+      key: "setTextMatrix",
+      value: function setTextMatrix(a, b, c, d, e, f) {
+        var current = this.current;
+        current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
+        current.textMatrixScale = Math.sqrt(a * a + b * b);
+        current.x = current.lineX = 0;
+        current.y = current.lineY = 0;
+        current.xcoords = [];
+        current.ycoords = [];
+        current.tspan = this.svgFactory.createElement("svg:tspan");
+        current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+        current.tspan.setAttributeNS(null, "font-size", "".concat(pf(current.fontSize), "px"));
+        current.tspan.setAttributeNS(null, "y", pf(-current.y));
+        current.txtElement = this.svgFactory.createElement("svg:text");
+        current.txtElement.appendChild(current.tspan);
+      }
+    }, {
+      key: "beginText",
+      value: function beginText() {
+        var current = this.current;
+        current.x = current.lineX = 0;
+        current.y = current.lineY = 0;
+        current.textMatrix = _util.IDENTITY_MATRIX;
+        current.lineMatrix = _util.IDENTITY_MATRIX;
+        current.textMatrixScale = 1;
+        current.tspan = this.svgFactory.createElement("svg:tspan");
+        current.txtElement = this.svgFactory.createElement("svg:text");
+        current.txtgrp = this.svgFactory.createElement("svg:g");
+        current.xcoords = [];
+        current.ycoords = [];
+      }
+    }, {
+      key: "moveText",
+      value: function moveText(x, y) {
+        var current = this.current;
+        current.x = current.lineX += x;
+        current.y = current.lineY += y;
+        current.xcoords = [];
+        current.ycoords = [];
+        current.tspan = this.svgFactory.createElement("svg:tspan");
+        current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+        current.tspan.setAttributeNS(null, "font-size", "".concat(pf(current.fontSize), "px"));
+        current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      }
+    }, {
+      key: "showText",
+      value: function showText(glyphs) {
+        var current = this.current;
+        var font = current.font;
+        var fontSize = current.fontSize;
+
+        if (fontSize === 0) {
+          return;
+        }
+
+        var fontSizeScale = current.fontSizeScale;
+        var charSpacing = current.charSpacing;
+        var wordSpacing = current.wordSpacing;
+        var fontDirection = current.fontDirection;
+        var textHScale = current.textHScale * fontDirection;
+        var vertical = font.vertical;
+        var spacingDir = vertical ? 1 : -1;
+        var defaultVMetrics = font.defaultVMetrics;
+        var widthAdvanceScale = fontSize * current.fontMatrix[0];
+        var x = 0;
+
+        var _iterator4 = _createForOfIteratorHelper(glyphs),
+            _step4;
+
+        try {
+          for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+            var glyph = _step4.value;
+
+            if (glyph === null) {
+              x += fontDirection * wordSpacing;
+              continue;
+            } else if ((0, _util.isNum)(glyph)) {
+              x += spacingDir * glyph * fontSize / 1000;
+              continue;
+            }
+
+            var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+            var character = glyph.fontChar;
+            var scaledX = void 0,
+                scaledY = void 0;
+            var width = glyph.width;
+
+            if (vertical) {
+              var vx = void 0;
+              var vmetric = glyph.vmetric || defaultVMetrics;
+              vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+              vx = -vx * widthAdvanceScale;
+              var vy = vmetric[2] * widthAdvanceScale;
+              width = vmetric ? -vmetric[0] : width;
+              scaledX = vx / fontSizeScale;
+              scaledY = (x + vy) / fontSizeScale;
+            } else {
+              scaledX = x / fontSizeScale;
+              scaledY = 0;
+            }
+
+            if (glyph.isInFont || font.missingFile) {
+              current.xcoords.push(current.x + scaledX);
+
+              if (vertical) {
+                current.ycoords.push(-current.y + scaledY);
+              }
+
+              current.tspan.textContent += character;
+            } else {}
+
+            var charWidth = void 0;
+
+            if (vertical) {
+              charWidth = width * widthAdvanceScale - spacing * fontDirection;
+            } else {
+              charWidth = width * widthAdvanceScale + spacing * fontDirection;
+            }
+
+            x += charWidth;
+          }
+        } catch (err) {
+          _iterator4.e(err);
+        } finally {
+          _iterator4.f();
+        }
+
+        current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
+
+        if (vertical) {
+          current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
+        } else {
+          current.tspan.setAttributeNS(null, "y", pf(-current.y));
+        }
+
+        if (vertical) {
+          current.y -= x;
+        } else {
+          current.x += x * textHScale;
+        }
+
+        current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+        current.tspan.setAttributeNS(null, "font-size", "".concat(pf(current.fontSize), "px"));
+
+        if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+          current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
+        }
+
+        if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+          current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
+        }
+
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+            current.tspan.setAttributeNS(null, "fill", current.fillColor);
+          }
+
+          if (current.fillAlpha < 1) {
+            current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+          }
+        } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
+          current.tspan.setAttributeNS(null, "fill", "transparent");
+        } else {
+          current.tspan.setAttributeNS(null, "fill", "none");
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          var lineWidthScale = 1 / (current.textMatrixScale || 1);
+
+          this._setStrokeAttributes(current.tspan, lineWidthScale);
+        }
+
+        var textMatrix = current.textMatrix;
+
+        if (current.textRise !== 0) {
+          textMatrix = textMatrix.slice();
+          textMatrix[5] += current.textRise;
+        }
+
+        current.txtElement.setAttributeNS(null, "transform", "".concat(pm(textMatrix), " scale(").concat(pf(textHScale), ", -1)"));
+        current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
+        current.txtElement.appendChild(current.tspan);
+        current.txtgrp.appendChild(current.txtElement);
+
+        this._ensureTransformGroup().appendChild(current.txtElement);
+      }
+    }, {
+      key: "setLeadingMoveText",
+      value: function setLeadingMoveText(x, y) {
+        this.setLeading(-y);
+        this.moveText(x, y);
+      }
+    }, {
+      key: "addFontStyle",
+      value: function addFontStyle(fontObj) {
+        if (!fontObj.data) {
+          throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
+        }
+
+        if (!this.cssStyle) {
+          this.cssStyle = this.svgFactory.createElement("svg:style");
+          this.cssStyle.setAttributeNS(null, "type", "text/css");
+          this.defs.appendChild(this.cssStyle);
+        }
+
+        var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
+        this.cssStyle.textContent += "@font-face { font-family: \"".concat(fontObj.loadedName, "\";") + " src: url(".concat(url, "); }\n");
+      }
+    }, {
+      key: "setFont",
+      value: function setFont(details) {
+        var current = this.current;
+        var fontObj = this.commonObjs.get(details[0]);
+        var size = details[1];
+        current.font = fontObj;
+
+        if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
+          this.addFontStyle(fontObj);
+          this.embeddedFonts[fontObj.loadedName] = fontObj;
+        }
+
+        current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+        var bold = "normal";
+
+        if (fontObj.black) {
+          bold = "900";
+        } else if (fontObj.bold) {
+          bold = "bold";
+        }
+
+        var italic = fontObj.italic ? "italic" : "normal";
+
+        if (size < 0) {
+          size = -size;
+          current.fontDirection = -1;
+        } else {
+          current.fontDirection = 1;
+        }
+
+        current.fontSize = size;
+        current.fontFamily = fontObj.loadedName;
+        current.fontWeight = bold;
+        current.fontStyle = italic;
+        current.tspan = this.svgFactory.createElement("svg:tspan");
+        current.tspan.setAttributeNS(null, "y", pf(-current.y));
+        current.xcoords = [];
+        current.ycoords = [];
+      }
+    }, {
+      key: "endText",
+      value: function endText() {
+        var current = this.current;
+
+        if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
+          current.element = current.txtElement;
+          this.clip("nonzero");
+          this.endPath();
+        }
+      }
+    }, {
+      key: "setLineWidth",
+      value: function setLineWidth(width) {
+        if (width > 0) {
+          this.current.lineWidth = width;
+        }
+      }
+    }, {
+      key: "setLineCap",
+      value: function setLineCap(style) {
+        this.current.lineCap = LINE_CAP_STYLES[style];
+      }
+    }, {
+      key: "setLineJoin",
+      value: function setLineJoin(style) {
+        this.current.lineJoin = LINE_JOIN_STYLES[style];
+      }
+    }, {
+      key: "setMiterLimit",
+      value: function setMiterLimit(limit) {
+        this.current.miterLimit = limit;
+      }
+    }, {
+      key: "setStrokeAlpha",
+      value: function setStrokeAlpha(strokeAlpha) {
+        this.current.strokeAlpha = strokeAlpha;
+      }
+    }, {
+      key: "setStrokeRGBColor",
+      value: function setStrokeRGBColor(r, g, b) {
+        this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
+      }
+    }, {
+      key: "setFillAlpha",
+      value: function setFillAlpha(fillAlpha) {
+        this.current.fillAlpha = fillAlpha;
+      }
+    }, {
+      key: "setFillRGBColor",
+      value: function setFillRGBColor(r, g, b) {
+        this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
+        this.current.tspan = this.svgFactory.createElement("svg:tspan");
+        this.current.xcoords = [];
+        this.current.ycoords = [];
+      }
+    }, {
+      key: "setStrokeColorN",
+      value: function setStrokeColorN(args) {
+        this.current.strokeColor = this._makeColorN_Pattern(args);
+      }
+    }, {
+      key: "setFillColorN",
+      value: function setFillColorN(args) {
+        this.current.fillColor = this._makeColorN_Pattern(args);
+      }
+    }, {
+      key: "shadingFill",
+      value: function shadingFill(args) {
+        var width = this.viewport.width;
+        var height = this.viewport.height;
+
+        var inv = _util.Util.inverseTransform(this.transformMatrix);
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        var rect = this.svgFactory.createElement("svg:rect");
+        rect.setAttributeNS(null, "x", x0);
+        rect.setAttributeNS(null, "y", y0);
+        rect.setAttributeNS(null, "width", x1 - x0);
+        rect.setAttributeNS(null, "height", y1 - y0);
+        rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
+
+        if (this.current.fillAlpha < 1) {
+          rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
+        }
+
+        this._ensureTransformGroup().appendChild(rect);
+      }
+    }, {
+      key: "_makeColorN_Pattern",
+      value: function _makeColorN_Pattern(args) {
+        if (args[0] === "TilingPattern") {
+          return this._makeTilingPattern(args);
+        }
+
+        return this._makeShadingPattern(args);
+      }
+    }, {
+      key: "_makeTilingPattern",
+      value: function _makeTilingPattern(args) {
+        var color = args[1];
+        var operatorList = args[2];
+        var matrix = args[3] || _util.IDENTITY_MATRIX;
+
+        var _args$ = _slicedToArray(args[4], 4),
+            x0 = _args$[0],
+            y0 = _args$[1],
+            x1 = _args$[2],
+            y1 = _args$[3];
+
+        var xstep = args[5];
+        var ystep = args[6];
+        var paintType = args[7];
+        var tilingId = "shading".concat(shadingCount++);
+
+        var _Util$applyTransform = _util.Util.applyTransform([x0, y0], matrix),
+            _Util$applyTransform2 = _slicedToArray(_Util$applyTransform, 2),
+            tx0 = _Util$applyTransform2[0],
+            ty0 = _Util$applyTransform2[1];
+
+        var _Util$applyTransform3 = _util.Util.applyTransform([x1, y1], matrix),
+            _Util$applyTransform4 = _slicedToArray(_Util$applyTransform3, 2),
+            tx1 = _Util$applyTransform4[0],
+            ty1 = _Util$applyTransform4[1];
+
+        var _Util$singularValueDe = _util.Util.singularValueDecompose2dScale(matrix),
+            _Util$singularValueDe2 = _slicedToArray(_Util$singularValueDe, 2),
+            xscale = _Util$singularValueDe2[0],
+            yscale = _Util$singularValueDe2[1];
+
+        var txstep = xstep * xscale;
+        var tystep = ystep * yscale;
+        var tiling = this.svgFactory.createElement("svg:pattern");
+        tiling.setAttributeNS(null, "id", tilingId);
+        tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
+        tiling.setAttributeNS(null, "width", txstep);
+        tiling.setAttributeNS(null, "height", tystep);
+        tiling.setAttributeNS(null, "x", "".concat(tx0));
+        tiling.setAttributeNS(null, "y", "".concat(ty0));
+        var svg = this.svg;
+        var transformMatrix = this.transformMatrix;
+        var fillColor = this.current.fillColor;
+        var strokeColor = this.current.strokeColor;
+        var bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
+        this.svg = bbox;
+        this.transformMatrix = matrix;
+
+        if (paintType === 2) {
+          var cssColor = _util.Util.makeCssRgb.apply(_util.Util, _toConsumableArray(color));
+
+          this.current.fillColor = cssColor;
+          this.current.strokeColor = cssColor;
+        }
+
+        this.executeOpTree(this.convertOpList(operatorList));
+        this.svg = svg;
+        this.transformMatrix = transformMatrix;
+        this.current.fillColor = fillColor;
+        this.current.strokeColor = strokeColor;
+        tiling.appendChild(bbox.childNodes[0]);
+        this.defs.appendChild(tiling);
+        return "url(#".concat(tilingId, ")");
+      }
+    }, {
+      key: "_makeShadingPattern",
+      value: function _makeShadingPattern(args) {
+        switch (args[0]) {
+          case "RadialAxial":
+            var shadingId = "shading".concat(shadingCount++);
+            var colorStops = args[3];
+            var gradient;
+
+            switch (args[1]) {
+              case "axial":
+                var point0 = args[4];
+                var point1 = args[5];
+                gradient = this.svgFactory.createElement("svg:linearGradient");
+                gradient.setAttributeNS(null, "id", shadingId);
+                gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+                gradient.setAttributeNS(null, "x1", point0[0]);
+                gradient.setAttributeNS(null, "y1", point0[1]);
+                gradient.setAttributeNS(null, "x2", point1[0]);
+                gradient.setAttributeNS(null, "y2", point1[1]);
+                break;
+
+              case "radial":
+                var focalPoint = args[4];
+                var circlePoint = args[5];
+                var focalRadius = args[6];
+                var circleRadius = args[7];
+                gradient = this.svgFactory.createElement("svg:radialGradient");
+                gradient.setAttributeNS(null, "id", shadingId);
+                gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+                gradient.setAttributeNS(null, "cx", circlePoint[0]);
+                gradient.setAttributeNS(null, "cy", circlePoint[1]);
+                gradient.setAttributeNS(null, "r", circleRadius);
+                gradient.setAttributeNS(null, "fx", focalPoint[0]);
+                gradient.setAttributeNS(null, "fy", focalPoint[1]);
+                gradient.setAttributeNS(null, "fr", focalRadius);
+                break;
+
+              default:
+                throw new Error("Unknown RadialAxial type: ".concat(args[1]));
+            }
+
+            var _iterator5 = _createForOfIteratorHelper(colorStops),
+                _step5;
+
+            try {
+              for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+                var colorStop = _step5.value;
+                var stop = this.svgFactory.createElement("svg:stop");
+                stop.setAttributeNS(null, "offset", colorStop[0]);
+                stop.setAttributeNS(null, "stop-color", colorStop[1]);
+                gradient.appendChild(stop);
+              }
+            } catch (err) {
+              _iterator5.e(err);
+            } finally {
+              _iterator5.f();
+            }
+
+            this.defs.appendChild(gradient);
+            return "url(#".concat(shadingId, ")");
+
+          case "Mesh":
+            (0, _util.warn)("Unimplemented pattern Mesh");
+            return null;
+
+          case "Dummy":
+            return "hotpink";
+
+          default:
+            throw new Error("Unknown IR type: ".concat(args[0]));
+        }
+      }
+    }, {
+      key: "setDash",
+      value: function setDash(dashArray, dashPhase) {
+        this.current.dashArray = dashArray;
+        this.current.dashPhase = dashPhase;
+      }
+    }, {
+      key: "constructPath",
+      value: function constructPath(ops, args) {
+        var current = this.current;
+        var x = current.x,
+            y = current.y;
+        var d = [];
+        var j = 0;
+
+        var _iterator6 = _createForOfIteratorHelper(ops),
+            _step6;
+
+        try {
+          for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+            var op = _step6.value;
+
+            switch (op | 0) {
+              case _util.OPS.rectangle:
+                x = args[j++];
+                y = args[j++];
+                var width = args[j++];
+                var height = args[j++];
+                var xw = x + width;
+                var yh = y + height;
+                d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
+                break;
+
+              case _util.OPS.moveTo:
+                x = args[j++];
+                y = args[j++];
+                d.push("M", pf(x), pf(y));
+                break;
+
+              case _util.OPS.lineTo:
+                x = args[j++];
+                y = args[j++];
+                d.push("L", pf(x), pf(y));
+                break;
+
+              case _util.OPS.curveTo:
+                x = args[j + 4];
+                y = args[j + 5];
+                d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
+                j += 6;
+                break;
+
+              case _util.OPS.curveTo2:
+                d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
+                x = args[j + 2];
+                y = args[j + 3];
+                j += 4;
+                break;
+
+              case _util.OPS.curveTo3:
+                x = args[j + 2];
+                y = args[j + 3];
+                d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
+                j += 4;
+                break;
+
+              case _util.OPS.closePath:
+                d.push("Z");
+                break;
+            }
+          }
+        } catch (err) {
+          _iterator6.e(err);
+        } finally {
+          _iterator6.f();
+        }
+
+        d = d.join(" ");
+
+        if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
+          d = current.path.getAttributeNS(null, "d") + d;
+        } else {
+          current.path = this.svgFactory.createElement("svg:path");
+
+          this._ensureTransformGroup().appendChild(current.path);
+        }
+
+        current.path.setAttributeNS(null, "d", d);
+        current.path.setAttributeNS(null, "fill", "none");
+        current.element = current.path;
+        current.setCurrentPoint(x, y);
+      }
+    }, {
+      key: "endPath",
+      value: function endPath() {
+        var current = this.current;
+        current.path = null;
+
+        if (!this.pendingClip) {
+          return;
+        }
+
+        if (!current.element) {
+          this.pendingClip = null;
+          return;
+        }
+
+        var clipId = "clippath".concat(clipCount++);
+        var clipPath = this.svgFactory.createElement("svg:clipPath");
+        clipPath.setAttributeNS(null, "id", clipId);
+        clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
+        var clipElement = current.element.cloneNode(true);
+
+        if (this.pendingClip === "evenodd") {
+          clipElement.setAttributeNS(null, "clip-rule", "evenodd");
+        } else {
+          clipElement.setAttributeNS(null, "clip-rule", "nonzero");
+        }
+
+        this.pendingClip = null;
+        clipPath.appendChild(clipElement);
+        this.defs.appendChild(clipPath);
+
+        if (current.activeClipUrl) {
+          current.clipGroup = null;
+          this.extraStack.forEach(function (prev) {
+            prev.clipGroup = null;
+          });
+          clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
+        }
+
+        current.activeClipUrl = "url(#".concat(clipId, ")");
+        this.tgrp = null;
+      }
+    }, {
+      key: "clip",
+      value: function clip(type) {
+        this.pendingClip = type;
+      }
+    }, {
+      key: "closePath",
+      value: function closePath() {
+        var current = this.current;
+
+        if (current.path) {
+          var d = "".concat(current.path.getAttributeNS(null, "d"), "Z");
+          current.path.setAttributeNS(null, "d", d);
+        }
+      }
+    }, {
+      key: "setLeading",
+      value: function setLeading(leading) {
+        this.current.leading = -leading;
+      }
+    }, {
+      key: "setTextRise",
+      value: function setTextRise(textRise) {
+        this.current.textRise = textRise;
+      }
+    }, {
+      key: "setTextRenderingMode",
+      value: function setTextRenderingMode(textRenderingMode) {
+        this.current.textRenderingMode = textRenderingMode;
+      }
+    }, {
+      key: "setHScale",
+      value: function setHScale(scale) {
+        this.current.textHScale = scale / 100;
+      }
+    }, {
+      key: "setRenderingIntent",
+      value: function setRenderingIntent(intent) {}
+    }, {
+      key: "setFlatness",
+      value: function setFlatness(flatness) {}
+    }, {
+      key: "setGState",
+      value: function setGState(states) {
+        var _iterator7 = _createForOfIteratorHelper(states),
+            _step7;
+
+        try {
+          for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+            var _step7$value = _slicedToArray(_step7.value, 2),
+                key = _step7$value[0],
+                value = _step7$value[1];
+
+            switch (key) {
+              case "LW":
+                this.setLineWidth(value);
+                break;
+
+              case "LC":
+                this.setLineCap(value);
+                break;
+
+              case "LJ":
+                this.setLineJoin(value);
+                break;
+
+              case "ML":
+                this.setMiterLimit(value);
+                break;
+
+              case "D":
+                this.setDash(value[0], value[1]);
+                break;
+
+              case "RI":
+                this.setRenderingIntent(value);
+                break;
+
+              case "FL":
+                this.setFlatness(value);
+                break;
+
+              case "Font":
+                this.setFont(value);
+                break;
+
+              case "CA":
+                this.setStrokeAlpha(value);
+                break;
+
+              case "ca":
+                this.setFillAlpha(value);
+                break;
+
+              default:
+                (0, _util.warn)("Unimplemented graphic state operator ".concat(key));
+                break;
+            }
+          }
+        } catch (err) {
+          _iterator7.e(err);
+        } finally {
+          _iterator7.f();
+        }
+      }
+    }, {
+      key: "fill",
+      value: function fill() {
+        var current = this.current;
+
+        if (current.element) {
+          current.element.setAttributeNS(null, "fill", current.fillColor);
+          current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+          this.endPath();
+        }
+      }
+    }, {
+      key: "stroke",
+      value: function stroke() {
+        var current = this.current;
+
+        if (current.element) {
+          this._setStrokeAttributes(current.element);
+
+          current.element.setAttributeNS(null, "fill", "none");
+          this.endPath();
+        }
+      }
+    }, {
+      key: "_setStrokeAttributes",
+      value: function _setStrokeAttributes(element) {
+        var lineWidthScale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+        var current = this.current;
+        var dashArray = current.dashArray;
+
+        if (lineWidthScale !== 1 && dashArray.length > 0) {
+          dashArray = dashArray.map(function (value) {
+            return lineWidthScale * value;
+          });
+        }
+
+        element.setAttributeNS(null, "stroke", current.strokeColor);
+        element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
+        element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
+        element.setAttributeNS(null, "stroke-linecap", current.lineCap);
+        element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
+        element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
+        element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
+        element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
+      }
+    }, {
+      key: "eoFill",
+      value: function eoFill() {
+        if (this.current.element) {
+          this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+        }
+
+        this.fill();
+      }
+    }, {
+      key: "fillStroke",
+      value: function fillStroke() {
+        this.stroke();
+        this.fill();
+      }
+    }, {
+      key: "eoFillStroke",
+      value: function eoFillStroke() {
+        if (this.current.element) {
+          this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+        }
+
+        this.fillStroke();
+      }
+    }, {
+      key: "closeStroke",
+      value: function closeStroke() {
+        this.closePath();
+        this.stroke();
+      }
+    }, {
+      key: "closeFillStroke",
+      value: function closeFillStroke() {
+        this.closePath();
+        this.fillStroke();
+      }
+    }, {
+      key: "closeEOFillStroke",
+      value: function closeEOFillStroke() {
+        this.closePath();
+        this.eoFillStroke();
+      }
+    }, {
+      key: "paintSolidColorImageMask",
+      value: function paintSolidColorImageMask() {
+        var rect = this.svgFactory.createElement("svg:rect");
+        rect.setAttributeNS(null, "x", "0");
+        rect.setAttributeNS(null, "y", "0");
+        rect.setAttributeNS(null, "width", "1px");
+        rect.setAttributeNS(null, "height", "1px");
+        rect.setAttributeNS(null, "fill", this.current.fillColor);
+
+        this._ensureTransformGroup().appendChild(rect);
+      }
+    }, {
+      key: "paintImageXObject",
+      value: function paintImageXObject(objId) {
+        var imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+        if (!imgData) {
+          (0, _util.warn)("Dependent image with object ID ".concat(objId, " is not ready yet"));
+          return;
+        }
+
+        this.paintInlineImageXObject(imgData);
+      }
+    }, {
+      key: "paintInlineImageXObject",
+      value: function paintInlineImageXObject(imgData, mask) {
+        var width = imgData.width;
+        var height = imgData.height;
+        var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
+        var cliprect = this.svgFactory.createElement("svg:rect");
+        cliprect.setAttributeNS(null, "x", "0");
+        cliprect.setAttributeNS(null, "y", "0");
+        cliprect.setAttributeNS(null, "width", pf(width));
+        cliprect.setAttributeNS(null, "height", pf(height));
+        this.current.element = cliprect;
+        this.clip("nonzero");
+        var imgEl = this.svgFactory.createElement("svg:image");
+        imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
+        imgEl.setAttributeNS(null, "x", "0");
+        imgEl.setAttributeNS(null, "y", pf(-height));
+        imgEl.setAttributeNS(null, "width", pf(width) + "px");
+        imgEl.setAttributeNS(null, "height", pf(height) + "px");
+        imgEl.setAttributeNS(null, "transform", "scale(".concat(pf(1 / width), " ").concat(pf(-1 / height), ")"));
+
+        if (mask) {
+          mask.appendChild(imgEl);
+        } else {
+          this._ensureTransformGroup().appendChild(imgEl);
+        }
+      }
+    }, {
+      key: "paintImageMaskXObject",
+      value: function paintImageMaskXObject(imgData) {
+        var current = this.current;
+        var width = imgData.width;
+        var height = imgData.height;
+        var fillColor = current.fillColor;
+        current.maskId = "mask".concat(maskCount++);
+        var mask = this.svgFactory.createElement("svg:mask");
+        mask.setAttributeNS(null, "id", current.maskId);
+        var rect = this.svgFactory.createElement("svg:rect");
+        rect.setAttributeNS(null, "x", "0");
+        rect.setAttributeNS(null, "y", "0");
+        rect.setAttributeNS(null, "width", pf(width));
+        rect.setAttributeNS(null, "height", pf(height));
+        rect.setAttributeNS(null, "fill", fillColor);
+        rect.setAttributeNS(null, "mask", "url(#".concat(current.maskId, ")"));
+        this.defs.appendChild(mask);
+
+        this._ensureTransformGroup().appendChild(rect);
+
+        this.paintInlineImageXObject(imgData, mask);
+      }
+    }, {
+      key: "paintFormXObjectBegin",
+      value: function paintFormXObjectBegin(matrix, bbox) {
+        if (Array.isArray(matrix) && matrix.length === 6) {
+          this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
+        }
+
+        if (bbox) {
+          var width = bbox[2] - bbox[0];
+          var height = bbox[3] - bbox[1];
+          var cliprect = this.svgFactory.createElement("svg:rect");
+          cliprect.setAttributeNS(null, "x", bbox[0]);
+          cliprect.setAttributeNS(null, "y", bbox[1]);
+          cliprect.setAttributeNS(null, "width", pf(width));
+          cliprect.setAttributeNS(null, "height", pf(height));
+          this.current.element = cliprect;
+          this.clip("nonzero");
+          this.endPath();
+        }
+      }
+    }, {
+      key: "paintFormXObjectEnd",
+      value: function paintFormXObjectEnd() {}
+    }, {
+      key: "_initialize",
+      value: function _initialize(viewport) {
+        var svg = this.svgFactory.create(viewport.width, viewport.height);
+        var definitions = this.svgFactory.createElement("svg:defs");
+        svg.appendChild(definitions);
+        this.defs = definitions;
+        var rootGroup = this.svgFactory.createElement("svg:g");
+        rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
+        svg.appendChild(rootGroup);
+        this.svg = rootGroup;
+        return svg;
+      }
+    }, {
+      key: "_ensureClipGroup",
+      value: function _ensureClipGroup() {
+        if (!this.current.clipGroup) {
+          var clipGroup = this.svgFactory.createElement("svg:g");
+          clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
+          this.svg.appendChild(clipGroup);
+          this.current.clipGroup = clipGroup;
+        }
+
+        return this.current.clipGroup;
+      }
+    }, {
+      key: "_ensureTransformGroup",
+      value: function _ensureTransformGroup() {
+        if (!this.tgrp) {
+          this.tgrp = this.svgFactory.createElement("svg:g");
+          this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
+
+          if (this.current.activeClipUrl) {
+            this._ensureClipGroup().appendChild(this.tgrp);
+          } else {
+            this.svg.appendChild(this.tgrp);
+          }
+        }
+
+        return this.tgrp;
+      }
+    }]);
+
+    return SVGGraphics;
+  }();
+}
+
+/***/ }),
+/* 219 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNodeStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _network_utils = __w_pdfjs_require__(220);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+;
+
+var fs = require("fs");
+
+var http = require("http");
+
+var https = require("https");
+
+var url = require("url");
+
+var fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
+
+function parseUrl(sourceUrl) {
+  var parsedUrl = url.parse(sourceUrl);
+
+  if (parsedUrl.protocol === "file:" || parsedUrl.host) {
+    return parsedUrl;
+  }
+
+  if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
+    return url.parse("file:///".concat(sourceUrl));
+  }
+
+  if (!parsedUrl.host) {
+    parsedUrl.protocol = "file:";
+  }
+
+  return parsedUrl;
+}
+
+var PDFNodeStream = /*#__PURE__*/function () {
+  function PDFNodeStream(source) {
+    _classCallCheck(this, PDFNodeStream);
+
+    this.source = source;
+    this.url = parseUrl(source.url);
+    this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
+    this.isFsUrl = this.url.protocol === "file:";
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFNodeStream, [{
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
+      this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(start, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
+
+      this._rangeRequestReaders.push(rangeReader);
+
+      return rangeReader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFNodeStream;
+}();
+
+exports.PDFNodeStream = PDFNodeStream;
+
+var BaseFullReader = /*#__PURE__*/function () {
+  function BaseFullReader(stream) {
+    _classCallCheck(this, BaseFullReader);
+
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    var source = stream.source;
+    this._contentLength = source.length;
+    this._loaded = 0;
+    this._filename = null;
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._headersCapability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(BaseFullReader, [{
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var chunk, buffer;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                if (!this._done) {
+                  _context.next = 4;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 4:
+                if (!this._storedError) {
+                  _context.next = 6;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 6:
+                chunk = this._readableStream.read();
+
+                if (!(chunk === null)) {
+                  _context.next = 10;
+                  break;
+                }
+
+                this._readCapability = (0, _util.createPromiseCapability)();
+                return _context.abrupt("return", this.read());
+
+              case 10:
+                this._loaded += chunk.length;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded,
+                    total: this._contentLength
+                  });
+                }
+
+                buffer = new Uint8Array(chunk).buffer;
+                return _context.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 14:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (!this._readableStream) {
+        this._error(reason);
+
+        return;
+      }
+
+      this._readableStream.destroy(reason);
+    }
+  }, {
+    key: "_error",
+    value: function _error(reason) {
+      this._storedError = reason;
+
+      this._readCapability.resolve();
+    }
+  }, {
+    key: "_setReadableStream",
+    value: function _setReadableStream(readableStream) {
+      var _this = this;
+
+      this._readableStream = readableStream;
+      readableStream.on("readable", function () {
+        _this._readCapability.resolve();
+      });
+      readableStream.on("end", function () {
+        readableStream.destroy();
+        _this._done = true;
+
+        _this._readCapability.resolve();
+      });
+      readableStream.on("error", function (reason) {
+        _this._error(reason);
+      });
+
+      if (!this._isStreamingSupported && this._isRangeSupported) {
+        this._error(new _util.AbortException("streaming is disabled"));
+      }
+
+      if (this._storedError) {
+        this._readableStream.destroy(this._storedError);
+      }
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersCapability.promise;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return BaseFullReader;
+}();
+
+var BaseRangeReader = /*#__PURE__*/function () {
+  function BaseRangeReader(stream) {
+    _classCallCheck(this, BaseRangeReader);
+
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    this._loaded = 0;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    var source = stream.source;
+    this._isStreamingSupported = !source.disableStream;
+  }
+
+  _createClass(BaseRangeReader, [{
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var chunk, buffer;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                if (!this._done) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 4:
+                if (!this._storedError) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 6:
+                chunk = this._readableStream.read();
+
+                if (!(chunk === null)) {
+                  _context2.next = 10;
+                  break;
+                }
+
+                this._readCapability = (0, _util.createPromiseCapability)();
+                return _context2.abrupt("return", this.read());
+
+              case 10:
+                this._loaded += chunk.length;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded
+                  });
+                }
+
+                buffer = new Uint8Array(chunk).buffer;
+                return _context2.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 14:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (!this._readableStream) {
+        this._error(reason);
+
+        return;
+      }
+
+      this._readableStream.destroy(reason);
+    }
+  }, {
+    key: "_error",
+    value: function _error(reason) {
+      this._storedError = reason;
+
+      this._readCapability.resolve();
+    }
+  }, {
+    key: "_setReadableStream",
+    value: function _setReadableStream(readableStream) {
+      var _this2 = this;
+
+      this._readableStream = readableStream;
+      readableStream.on("readable", function () {
+        _this2._readCapability.resolve();
+      });
+      readableStream.on("end", function () {
+        readableStream.destroy();
+        _this2._done = true;
+
+        _this2._readCapability.resolve();
+      });
+      readableStream.on("error", function (reason) {
+        _this2._error(reason);
+      });
+
+      if (this._storedError) {
+        this._readableStream.destroy(this._storedError);
+      }
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return BaseRangeReader;
+}();
+
+function createRequestOptions(parsedUrl, headers) {
+  return {
+    protocol: parsedUrl.protocol,
+    auth: parsedUrl.auth,
+    host: parsedUrl.hostname,
+    port: parsedUrl.port,
+    path: parsedUrl.path,
+    method: "GET",
+    headers: headers
+  };
+}
+
+var PDFNodeStreamFullReader = /*#__PURE__*/function (_BaseFullReader) {
+  _inherits(PDFNodeStreamFullReader, _BaseFullReader);
+
+  var _super = _createSuper(PDFNodeStreamFullReader);
+
+  function PDFNodeStreamFullReader(stream) {
+    var _this3;
+
+    _classCallCheck(this, PDFNodeStreamFullReader);
+
+    _this3 = _super.call(this, stream);
+
+    var handleResponse = function handleResponse(response) {
+      if (response.statusCode === 404) {
+        var error = new _util.MissingPDFException("Missing PDF \"".concat(_this3._url, "\"."));
+        _this3._storedError = error;
+
+        _this3._headersCapability.reject(error);
+
+        return;
+      }
+
+      _this3._headersCapability.resolve();
+
+      _this3._setReadableStream(response);
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return _this3._readableStream.headers[name.toLowerCase()];
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: stream.isHttp,
+        rangeChunkSize: _this3._rangeChunkSize,
+        disableRange: _this3._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      _this3._isRangeSupported = allowRangeRequests;
+      _this3._contentLength = suggestedLength || _this3._contentLength;
+      _this3._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+    };
+
+    _this3._request = null;
+
+    if (_this3._url.protocol === "http:") {
+      _this3._request = http.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
+    } else {
+      _this3._request = https.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
+    }
+
+    _this3._request.on("error", function (reason) {
+      _this3._storedError = reason;
+
+      _this3._headersCapability.reject(reason);
+    });
+
+    _this3._request.end();
+
+    return _this3;
+  }
+
+  return PDFNodeStreamFullReader;
+}(BaseFullReader);
+
+var PDFNodeStreamRangeReader = /*#__PURE__*/function (_BaseRangeReader) {
+  _inherits(PDFNodeStreamRangeReader, _BaseRangeReader);
+
+  var _super2 = _createSuper(PDFNodeStreamRangeReader);
+
+  function PDFNodeStreamRangeReader(stream, start, end) {
+    var _this4;
+
+    _classCallCheck(this, PDFNodeStreamRangeReader);
+
+    _this4 = _super2.call(this, stream);
+    _this4._httpHeaders = {};
+
+    for (var property in stream.httpHeaders) {
+      var value = stream.httpHeaders[property];
+
+      if (typeof value === "undefined") {
+        continue;
+      }
+
+      _this4._httpHeaders[property] = value;
+    }
+
+    _this4._httpHeaders.Range = "bytes=".concat(start, "-").concat(end - 1);
+
+    var handleResponse = function handleResponse(response) {
+      if (response.statusCode === 404) {
+        var error = new _util.MissingPDFException("Missing PDF \"".concat(_this4._url, "\"."));
+        _this4._storedError = error;
+        return;
+      }
+
+      _this4._setReadableStream(response);
+    };
+
+    _this4._request = null;
+
+    if (_this4._url.protocol === "http:") {
+      _this4._request = http.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
+    } else {
+      _this4._request = https.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
+    }
+
+    _this4._request.on("error", function (reason) {
+      _this4._storedError = reason;
+    });
+
+    _this4._request.end();
+
+    return _this4;
+  }
+
+  return PDFNodeStreamRangeReader;
+}(BaseRangeReader);
+
+var PDFNodeStreamFsFullReader = /*#__PURE__*/function (_BaseFullReader2) {
+  _inherits(PDFNodeStreamFsFullReader, _BaseFullReader2);
+
+  var _super3 = _createSuper(PDFNodeStreamFsFullReader);
+
+  function PDFNodeStreamFsFullReader(stream) {
+    var _this5;
+
+    _classCallCheck(this, PDFNodeStreamFsFullReader);
+
+    _this5 = _super3.call(this, stream);
+    var path = decodeURIComponent(_this5._url.path);
+
+    if (fileUriRegex.test(_this5._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    fs.lstat(path, function (error, stat) {
+      if (error) {
+        if (error.code === "ENOENT") {
+          error = new _util.MissingPDFException("Missing PDF \"".concat(path, "\"."));
+        }
+
+        _this5._storedError = error;
+
+        _this5._headersCapability.reject(error);
+
+        return;
+      }
+
+      _this5._contentLength = stat.size;
+
+      _this5._setReadableStream(fs.createReadStream(path));
+
+      _this5._headersCapability.resolve();
+    });
+    return _this5;
+  }
+
+  return PDFNodeStreamFsFullReader;
+}(BaseFullReader);
+
+var PDFNodeStreamFsRangeReader = /*#__PURE__*/function (_BaseRangeReader2) {
+  _inherits(PDFNodeStreamFsRangeReader, _BaseRangeReader2);
+
+  var _super4 = _createSuper(PDFNodeStreamFsRangeReader);
+
+  function PDFNodeStreamFsRangeReader(stream, start, end) {
+    var _this6;
+
+    _classCallCheck(this, PDFNodeStreamFsRangeReader);
+
+    _this6 = _super4.call(this, stream);
+    var path = decodeURIComponent(_this6._url.path);
+
+    if (fileUriRegex.test(_this6._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    _this6._setReadableStream(fs.createReadStream(path, {
+      start: start,
+      end: end - 1
+    }));
+
+    return _this6;
+  }
+
+  return PDFNodeStreamFsRangeReader;
+}(BaseRangeReader);
+
+/***/ }),
+/* 220 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createResponseStatusError = createResponseStatusError;
+exports.extractFilenameFromHeader = extractFilenameFromHeader;
+exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
+exports.validateResponseStatus = validateResponseStatus;
+
+var _util = __w_pdfjs_require__(5);
+
+var _content_disposition = __w_pdfjs_require__(221);
+
+function validateRangeRequestCapabilities(_ref) {
+  var getResponseHeader = _ref.getResponseHeader,
+      isHttp = _ref.isHttp,
+      rangeChunkSize = _ref.rangeChunkSize,
+      disableRange = _ref.disableRange;
+  (0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
+  var returnValues = {
+    allowRangeRequests: false,
+    suggestedLength: undefined
+  };
+  var length = parseInt(getResponseHeader("Content-Length"), 10);
+
+  if (!Number.isInteger(length)) {
+    return returnValues;
+  }
+
+  returnValues.suggestedLength = length;
+
+  if (length <= 2 * rangeChunkSize) {
+    return returnValues;
+  }
+
+  if (disableRange || !isHttp) {
+    return returnValues;
+  }
+
+  if (getResponseHeader("Accept-Ranges") !== "bytes") {
+    return returnValues;
+  }
+
+  var contentEncoding = getResponseHeader("Content-Encoding") || "identity";
+
+  if (contentEncoding !== "identity") {
+    return returnValues;
+  }
+
+  returnValues.allowRangeRequests = true;
+  return returnValues;
+}
+
+function extractFilenameFromHeader(getResponseHeader) {
+  var contentDisposition = getResponseHeader("Content-Disposition");
+
+  if (contentDisposition) {
+    var filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
+
+    if (filename.includes("%")) {
+      try {
+        filename = decodeURIComponent(filename);
+      } catch (ex) {}
+    }
+
+    if (/\.pdf$/i.test(filename)) {
+      return filename;
+    }
+  }
+
+  return null;
+}
+
+function createResponseStatusError(status, url) {
+  if (status === 404 || status === 0 && url.startsWith("file:")) {
+    return new _util.MissingPDFException('Missing PDF "' + url + '".');
+  }
+
+  return new _util.UnexpectedResponseException("Unexpected server response (" + status + ') while retrieving PDF "' + url + '".', status);
+}
+
+function validateResponseStatus(status) {
+  return status === 200 || status === 206;
+}
+
+/***/ }),
+/* 221 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function getFilenameFromContentDispositionHeader(contentDisposition) {
+  var needsEncodingFixup = true;
+  var tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    var filename = rfc2616unquote(tmp);
+    filename = unescape(filename);
+    filename = rfc5987decode(filename);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  tmp = rfc2231getparam(contentDisposition);
+
+  if (tmp) {
+    var _filename = rfc2047decode(tmp);
+
+    return fixupEncoding(_filename);
+  }
+
+  tmp = toParamRegExp("filename", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+
+    var _filename2 = rfc2616unquote(tmp);
+
+    _filename2 = rfc2047decode(_filename2);
+    return fixupEncoding(_filename2);
+  }
+
+  function toParamRegExp(attributePattern, flags) {
+    return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
+  }
+
+  function textdecode(encoding, value) {
+    if (encoding) {
+      if (!/^[\x00-\xFF]+$/.test(value)) {
+        return value;
+      }
+
+      try {
+        var decoder = new TextDecoder(encoding, {
+          fatal: true
+        });
+        var bytes = Array.from(value, function (ch) {
+          return ch.charCodeAt(0) & 0xff;
+        });
+        value = decoder.decode(new Uint8Array(bytes));
+        needsEncodingFixup = false;
+      } catch (e) {
+        if (/^utf-?8$/i.test(encoding)) {
+          try {
+            value = decodeURIComponent(escape(value));
+            needsEncodingFixup = false;
+          } catch (err) {}
+        }
+      }
+    }
+
+    return value;
+  }
+
+  function fixupEncoding(value) {
+    if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
+      value = textdecode("utf-8", value);
+
+      if (needsEncodingFixup) {
+        value = textdecode("iso-8859-1", value);
+      }
+    }
+
+    return value;
+  }
+
+  function rfc2231getparam(contentDispositionStr) {
+    var matches = [];
+    var match;
+    var iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
+
+    while ((match = iter.exec(contentDispositionStr)) !== null) {
+      var _match = match,
+          _match2 = _slicedToArray(_match, 4),
+          n = _match2[1],
+          quot = _match2[2],
+          part = _match2[3];
+
+      n = parseInt(n, 10);
+
+      if (n in matches) {
+        if (n === 0) {
+          break;
+        }
+
+        continue;
+      }
+
+      matches[n] = [quot, part];
+    }
+
+    var parts = [];
+
+    for (var _n2 = 0; _n2 < matches.length; ++_n2) {
+      if (!(_n2 in matches)) {
+        break;
+      }
+
+      var _matches$_n = _slicedToArray(matches[_n2], 2),
+          _quot = _matches$_n[0],
+          _part = _matches$_n[1];
+
+      _part = rfc2616unquote(_part);
+
+      if (_quot) {
+        _part = unescape(_part);
+
+        if (_n2 === 0) {
+          _part = rfc5987decode(_part);
+        }
+      }
+
+      parts.push(_part);
+    }
+
+    return parts.join("");
+  }
+
+  function rfc2616unquote(value) {
+    if (value.startsWith('"')) {
+      var parts = value.slice(1).split('\\"');
+
+      for (var i = 0; i < parts.length; ++i) {
+        var quotindex = parts[i].indexOf('"');
+
+        if (quotindex !== -1) {
+          parts[i] = parts[i].slice(0, quotindex);
+          parts.length = i + 1;
+        }
+
+        parts[i] = parts[i].replace(/\\(.)/g, "$1");
+      }
+
+      value = parts.join('"');
+    }
+
+    return value;
+  }
+
+  function rfc5987decode(extvalue) {
+    var encodingend = extvalue.indexOf("'");
+
+    if (encodingend === -1) {
+      return extvalue;
+    }
+
+    var encoding = extvalue.slice(0, encodingend);
+    var langvalue = extvalue.slice(encodingend + 1);
+    var value = langvalue.replace(/^[^']*'/, "");
+    return textdecode(encoding, value);
+  }
+
+  function rfc2047decode(value) {
+    if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
+      return value;
+    }
+
+    return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
+      if (encoding === "q" || encoding === "Q") {
+        text = text.replace(/_/g, " ");
+        text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
+          return String.fromCharCode(parseInt(hex, 16));
+        });
+        return textdecode(charset, text);
+      }
+
+      try {
+        text = atob(text);
+      } catch (e) {}
+
+      return textdecode(charset, text);
+    });
+  }
+
+  return "";
+}
+
+/***/ }),
+/* 222 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNetworkStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _network_utils = __w_pdfjs_require__(220);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+;
+var OK_RESPONSE = 200;
+var PARTIAL_CONTENT_RESPONSE = 206;
+
+function getArrayBuffer(xhr) {
+  var data = xhr.response;
+
+  if (typeof data !== "string") {
+    return data;
+  }
+
+  var array = (0, _util.stringToBytes)(data);
+  return array.buffer;
+}
+
+var NetworkManager = /*#__PURE__*/function () {
+  function NetworkManager(url, args) {
+    _classCallCheck(this, NetworkManager);
+
+    this.url = url;
+    args = args || {};
+    this.isHttp = /^https?:/i.test(url);
+    this.httpHeaders = this.isHttp && args.httpHeaders || {};
+    this.withCredentials = args.withCredentials || false;
+
+    this.getXhr = args.getXhr || function NetworkManager_getXhr() {
+      return new XMLHttpRequest();
+    };
+
+    this.currXhrId = 0;
+    this.pendingRequests = Object.create(null);
+  }
+
+  _createClass(NetworkManager, [{
+    key: "requestRange",
+    value: function requestRange(begin, end, listeners) {
+      var args = {
+        begin: begin,
+        end: end
+      };
+
+      for (var prop in listeners) {
+        args[prop] = listeners[prop];
+      }
+
+      return this.request(args);
+    }
+  }, {
+    key: "requestFull",
+    value: function requestFull(listeners) {
+      return this.request(listeners);
+    }
+  }, {
+    key: "request",
+    value: function request(args) {
+      var xhr = this.getXhr();
+      var xhrId = this.currXhrId++;
+      var pendingRequest = this.pendingRequests[xhrId] = {
+        xhr: xhr
+      };
+      xhr.open("GET", this.url);
+      xhr.withCredentials = this.withCredentials;
+
+      for (var property in this.httpHeaders) {
+        var value = this.httpHeaders[property];
+
+        if (typeof value === "undefined") {
+          continue;
+        }
+
+        xhr.setRequestHeader(property, value);
+      }
+
+      if (this.isHttp && "begin" in args && "end" in args) {
+        xhr.setRequestHeader("Range", "bytes=".concat(args.begin, "-").concat(args.end - 1));
+        pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
+      } else {
+        pendingRequest.expectedStatus = OK_RESPONSE;
+      }
+
+      xhr.responseType = "arraybuffer";
+
+      if (args.onError) {
+        xhr.onerror = function (evt) {
+          args.onError(xhr.status);
+        };
+      }
+
+      xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
+      xhr.onprogress = this.onProgress.bind(this, xhrId);
+      pendingRequest.onHeadersReceived = args.onHeadersReceived;
+      pendingRequest.onDone = args.onDone;
+      pendingRequest.onError = args.onError;
+      pendingRequest.onProgress = args.onProgress;
+      xhr.send(null);
+      return xhrId;
+    }
+  }, {
+    key: "onProgress",
+    value: function onProgress(xhrId, evt) {
+      var pendingRequest = this.pendingRequests[xhrId];
+
+      if (!pendingRequest) {
+        return;
+      }
+
+      if (pendingRequest.onProgress) {
+        pendingRequest.onProgress(evt);
+      }
+    }
+  }, {
+    key: "onStateChange",
+    value: function onStateChange(xhrId, evt) {
+      var pendingRequest = this.pendingRequests[xhrId];
+
+      if (!pendingRequest) {
+        return;
+      }
+
+      var xhr = pendingRequest.xhr;
+
+      if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
+        pendingRequest.onHeadersReceived();
+        delete pendingRequest.onHeadersReceived;
+      }
+
+      if (xhr.readyState !== 4) {
+        return;
+      }
+
+      if (!(xhrId in this.pendingRequests)) {
+        return;
+      }
+
+      delete this.pendingRequests[xhrId];
+
+      if (xhr.status === 0 && this.isHttp) {
+        if (pendingRequest.onError) {
+          pendingRequest.onError(xhr.status);
+        }
+
+        return;
+      }
+
+      var xhrStatus = xhr.status || OK_RESPONSE;
+      var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
+
+      if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
+        if (pendingRequest.onError) {
+          pendingRequest.onError(xhr.status);
+        }
+
+        return;
+      }
+
+      var chunk = getArrayBuffer(xhr);
+
+      if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
+        var rangeHeader = xhr.getResponseHeader("Content-Range");
+        var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
+        pendingRequest.onDone({
+          begin: parseInt(matches[1], 10),
+          chunk: chunk
+        });
+      } else if (chunk) {
+        pendingRequest.onDone({
+          begin: 0,
+          chunk: chunk
+        });
+      } else if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+    }
+  }, {
+    key: "getRequestXhr",
+    value: function getRequestXhr(xhrId) {
+      return this.pendingRequests[xhrId].xhr;
+    }
+  }, {
+    key: "isPendingRequest",
+    value: function isPendingRequest(xhrId) {
+      return xhrId in this.pendingRequests;
+    }
+  }, {
+    key: "abortRequest",
+    value: function abortRequest(xhrId) {
+      var xhr = this.pendingRequests[xhrId].xhr;
+      delete this.pendingRequests[xhrId];
+      xhr.abort();
+    }
+  }]);
+
+  return NetworkManager;
+}();
+
+var PDFNetworkStream = /*#__PURE__*/function () {
+  function PDFNetworkStream(source) {
+    _classCallCheck(this, PDFNetworkStream);
+
+    this._source = source;
+    this._manager = new NetworkManager(source.url, {
+      httpHeaders: source.httpHeaders,
+      withCredentials: source.withCredentials
+    });
+    this._rangeChunkSize = source.rangeChunkSize;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFNetworkStream, [{
+    key: "_onRangeRequestReaderClosed",
+    value: function _onRangeRequestReaderClosed(reader) {
+      var i = this._rangeRequestReaders.indexOf(reader);
+
+      if (i >= 0) {
+        this._rangeRequestReaders.splice(i, 1);
+      }
+    }
+  }, {
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
+      this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
+      reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
+
+      this._rangeRequestReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }]);
+
+  return PDFNetworkStream;
+}();
+
+exports.PDFNetworkStream = PDFNetworkStream;
+
+var PDFNetworkStreamFullRequestReader = /*#__PURE__*/function () {
+  function PDFNetworkStreamFullRequestReader(manager, source) {
+    _classCallCheck(this, PDFNetworkStreamFullRequestReader);
+
+    this._manager = manager;
+    var args = {
+      onHeadersReceived: this._onHeadersReceived.bind(this),
+      onDone: this._onDone.bind(this),
+      onError: this._onError.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._url = source.url;
+    this._fullRequestId = manager.requestFull(args);
+    this._headersReceivedCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._contentLength = source.length;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = false;
+    this._isRangeSupported = false;
+    this._cachedChunks = [];
+    this._requests = [];
+    this._done = false;
+    this._storedError = undefined;
+    this._filename = null;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFNetworkStreamFullRequestReader, [{
+    key: "_onHeadersReceived",
+    value: function _onHeadersReceived() {
+      var fullRequestXhrId = this._fullRequestId;
+
+      var fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return fullRequestXhr.getResponseHeader(name);
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: this._manager.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      if (allowRangeRequests) {
+        this._isRangeSupported = true;
+      }
+
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (this._isRangeSupported) {
+        this._manager.abortRequest(fullRequestXhrId);
+      }
+
+      this._headersReceivedCapability.resolve();
+    }
+  }, {
+    key: "_onDone",
+    value: function _onDone(args) {
+      if (args) {
+        if (this._requests.length > 0) {
+          var requestCapability = this._requests.shift();
+
+          requestCapability.resolve({
+            value: args.chunk,
+            done: false
+          });
+        } else {
+          this._cachedChunks.push(args.chunk);
+        }
+      }
+
+      this._done = true;
+
+      if (this._cachedChunks.length > 0) {
+        return;
+      }
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+  }, {
+    key: "_onError",
+    value: function _onError(status) {
+      var url = this._url;
+      var exception = (0, _network_utils.createResponseStatusError)(status, url);
+      this._storedError = exception;
+
+      this._headersReceivedCapability.reject(exception);
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.reject(exception);
+      });
+
+      this._requests = [];
+      this._cachedChunks = [];
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(data) {
+      if (this.onProgress) {
+        this.onProgress({
+          loaded: data.loaded,
+          total: data.lengthComputable ? data.total : this._contentLength
+        });
+      }
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!this._storedError) {
+                  _context.next = 2;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 2:
+                if (!(this._cachedChunks.length > 0)) {
+                  _context.next = 5;
+                  break;
+                }
+
+                chunk = this._cachedChunks.shift();
+                return _context.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 5:
+                if (!this._done) {
+                  _context.next = 7;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 7:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context.abrupt("return", requestCapability.promise);
+
+              case 10:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._headersReceivedCapability.reject(reason);
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      if (this._manager.isPendingRequest(this._fullRequestId)) {
+        this._manager.abortRequest(this._fullRequestId);
+      }
+
+      this._fullRequestReader = null;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersReceivedCapability.promise;
+    }
+  }]);
+
+  return PDFNetworkStreamFullRequestReader;
+}();
+
+var PDFNetworkStreamRangeRequestReader = /*#__PURE__*/function () {
+  function PDFNetworkStreamRangeRequestReader(manager, begin, end) {
+    _classCallCheck(this, PDFNetworkStreamRangeRequestReader);
+
+    this._manager = manager;
+    var args = {
+      onDone: this._onDone.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._requestId = manager.requestRange(begin, end, args);
+    this._requests = [];
+    this._queuedChunk = null;
+    this._done = false;
+    this.onProgress = null;
+    this.onClosed = null;
+  }
+
+  _createClass(PDFNetworkStreamRangeRequestReader, [{
+    key: "_close",
+    value: function _close() {
+      if (this.onClosed) {
+        this.onClosed(this);
+      }
+    }
+  }, {
+    key: "_onDone",
+    value: function _onDone(data) {
+      var chunk = data.chunk;
+
+      if (this._requests.length > 0) {
+        var requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: chunk,
+          done: false
+        });
+      } else {
+        this._queuedChunk = chunk;
+      }
+
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      this._close();
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(evt) {
+      if (!this.isStreamingSupported && this.onProgress) {
+        this.onProgress({
+          loaded: evt.loaded
+        });
+      }
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                if (!(this._queuedChunk !== null)) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                chunk = this._queuedChunk;
+                this._queuedChunk = null;
+                return _context2.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 4:
+                if (!this._done) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 6:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context2.abrupt("return", requestCapability.promise);
+
+              case 9:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      if (this._manager.isPendingRequest(this._requestId)) {
+        this._manager.abortRequest(this._requestId);
+      }
+
+      this._close();
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return PDFNetworkStreamRangeRequestReader;
+}();
+
+/***/ }),
+/* 223 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFetchStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _network_utils = __w_pdfjs_require__(220);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+;
+
+function createFetchOptions(headers, withCredentials, abortController) {
+  return {
+    method: "GET",
+    headers: headers,
+    signal: abortController && abortController.signal,
+    mode: "cors",
+    credentials: withCredentials ? "include" : "same-origin",
+    redirect: "follow"
+  };
+}
+
+function createHeaders(httpHeaders) {
+  var headers = new Headers();
+
+  for (var property in httpHeaders) {
+    var value = httpHeaders[property];
+
+    if (typeof value === "undefined") {
+      continue;
+    }
+
+    headers.append(property, value);
+  }
+
+  return headers;
+}
+
+var PDFFetchStream = /*#__PURE__*/function () {
+  function PDFFetchStream(source) {
+    _classCallCheck(this, PDFFetchStream);
+
+    this.source = source;
+    this.isHttp = /^https?:/i.test(source.url);
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFFetchStream, [{
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
+      this._fullRequestReader = new PDFFetchStreamReader(this);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var reader = new PDFFetchStreamRangeReader(this, begin, end);
+
+      this._rangeRequestReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFFetchStream;
+}();
+
+exports.PDFFetchStream = PDFFetchStream;
+
+var PDFFetchStreamReader = /*#__PURE__*/function () {
+  function PDFFetchStreamReader(stream) {
+    var _this = this;
+
+    _classCallCheck(this, PDFFetchStreamReader);
+
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    this._filename = null;
+    var source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._contentLength = source.length;
+    this._headersCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._headers = createHeaders(this._stream.httpHeaders);
+    var url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      _this._reader = response.body.getReader();
+
+      _this._headersCapability.resolve();
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return response.headers.get(name);
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: _this._stream.isHttp,
+        rangeChunkSize: _this._rangeChunkSize,
+        disableRange: _this._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      _this._isRangeSupported = allowRangeRequests;
+      _this._contentLength = suggestedLength || _this._contentLength;
+      _this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (!_this._isStreamingSupported && _this._isRangeSupported) {
+        _this.cancel(new _util.AbortException("Streaming is disabled."));
+      }
+    })["catch"](this._headersCapability.reject);
+    this.onProgress = null;
+  }
+
+  _createClass(PDFFetchStreamReader, [{
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var _yield$this$_reader$r, value, done, buffer;
+
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._headersCapability.promise;
+
+              case 2:
+                _context.next = 4;
+                return this._reader.read();
+
+              case 4:
+                _yield$this$_reader$r = _context.sent;
+                value = _yield$this$_reader$r.value;
+                done = _yield$this$_reader$r.done;
+
+                if (!done) {
+                  _context.next = 9;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: value,
+                  done: done
+                });
+
+              case 9:
+                this._loaded += value.byteLength;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded,
+                    total: this._contentLength
+                  });
+                }
+
+                buffer = new Uint8Array(value).buffer;
+                return _context.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 13:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (this._reader) {
+        this._reader.cancel(reason);
+      }
+
+      if (this._abortController) {
+        this._abortController.abort();
+      }
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersCapability.promise;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return PDFFetchStreamReader;
+}();
+
+var PDFFetchStreamRangeReader = /*#__PURE__*/function () {
+  function PDFFetchStreamRangeReader(stream, begin, end) {
+    var _this2 = this;
+
+    _classCallCheck(this, PDFFetchStreamRangeReader);
+
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    var source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._isStreamingSupported = !source.disableStream;
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._headers = createHeaders(this._stream.httpHeaders);
+
+    this._headers.append("Range", "bytes=".concat(begin, "-").concat(end - 1));
+
+    var url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      _this2._readCapability.resolve();
+
+      _this2._reader = response.body.getReader();
+    })["catch"](function (reason) {
+      if (reason && reason.name === "AbortError") {
+        return;
+      }
+
+      throw reason;
+    });
+    this.onProgress = null;
+  }
+
+  _createClass(PDFFetchStreamRangeReader, [{
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var _yield$this$_reader$r2, value, done, buffer;
+
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                _context2.next = 4;
+                return this._reader.read();
+
+              case 4:
+                _yield$this$_reader$r2 = _context2.sent;
+                value = _yield$this$_reader$r2.value;
+                done = _yield$this$_reader$r2.done;
+
+                if (!done) {
+                  _context2.next = 9;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: value,
+                  done: done
+                });
+
+              case 9:
+                this._loaded += value.byteLength;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded
+                  });
+                }
+
+                buffer = new Uint8Array(value).buffer;
+                return _context2.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 13:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (this._reader) {
+        this._reader.cancel(reason);
+      }
+
+      if (this._abortController) {
+        this._abortController.abort();
+      }
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return PDFFetchStreamRangeReader;
+}();
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.js.map b/node_modules/pdfjs-dist/es5/build/pdf.js.map
new file mode 100644
index 00000000..2d8eaf06
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.js.map
@@ -0,0 +1 @@
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module; };\n \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__w_pdfjs_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  addLinkAttributes,\n  getFilenameFromUrl,\n  isFetchSupported,\n  isValidFetchUrl,\n  LinkTarget,\n  loadScript,\n  PDFDateString,\n  RenderingCancelledException,\n} from \"./display/display_utils.js\";\nimport {\n  build,\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  setPDFNetworkStreamFactory,\n  version,\n} from \"./display/api.js\";\nimport {\n  CMapCompressionType,\n  createObjectURL,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  InvalidPDFException,\n  MissingPDFException,\n  OPS,\n  PasswordResponses,\n  PermissionFlag,\n  removeNullCharacters,\n  shadow,\n  UnexpectedResponseException,\n  UNSUPPORTED_FEATURES,\n  Util,\n  VerbosityLevel,\n} from \"./shared/util.js\";\nimport { AnnotationLayer } from \"./display/annotation_layer.js\";\nimport { apiCompatibilityParams } from \"./display/api_compatibility.js\";\nimport { GlobalWorkerOptions } from \"./display/worker_options.js\";\nimport { renderTextLayer } from \"./display/text_layer.js\";\nimport { SVGGraphics } from \"./display/svg.js\";\n\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsVersion =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_VERSION\") : void 0;\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsBuild =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_BUILD\") : void 0;\n\nif (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n  const streamsPromise = Promise.all([\n    import(\"pdfjs/display/network.js\"),\n    import(\"pdfjs/display/fetch_stream.js\"),\n  ]);\n  setPDFNetworkStreamFactory(params => {\n    return streamsPromise.then(streams => {\n      const [{ PDFNetworkStream }, { PDFFetchStream }] = streams;\n      if (isFetchSupported() && isValidFetchUrl(params.url)) {\n        return new PDFFetchStream(params);\n      }\n      return new PDFNetworkStream(params);\n    });\n  });\n} else if (PDFJSDev.test(\"GENERIC\")) {\n  const { isNodeJS } = require(\"./shared/is_node.js\");\n  if (isNodeJS) {\n    const PDFNodeStream = require(\"./display/node_stream.js\").PDFNodeStream;\n    setPDFNetworkStreamFactory(params => {\n      return new PDFNodeStream(params);\n    });\n  } else {\n    const PDFNetworkStream = require(\"./display/network.js\").PDFNetworkStream;\n    let PDFFetchStream;\n    if (isFetchSupported()) {\n      PDFFetchStream = require(\"./display/fetch_stream.js\").PDFFetchStream;\n    }\n    setPDFNetworkStreamFactory(params => {\n      if (PDFFetchStream && isValidFetchUrl(params.url)) {\n        return new PDFFetchStream(params);\n      }\n      return new PDFNetworkStream(params);\n    });\n  }\n} else if (PDFJSDev.test(\"CHROME\")) {\n  const PDFNetworkStream = require(\"./display/network.js\").PDFNetworkStream;\n  let PDFFetchStream;\n  const isChromeWithFetchCredentials = function () {\n    // fetch does not include credentials until Chrome 61.0.3138.0 and later.\n    // https://chromium.googlesource.com/chromium/src/+/2e231cf052ca5e68e22baf0008ac9e5e29121707\n    try {\n      // Indexed properties on window are read-only in Chrome 61.0.3151.0+\n      // https://chromium.googlesource.com/chromium/src.git/+/58ab4a971b06dec13e4edf9de8382ca6847f6190\n      window[999] = 123; // should throw. Note: JS strict mode MUST be enabled.\n      delete window[999];\n      return false;\n    } catch (e) {\n      return true;\n    }\n  };\n  if (isFetchSupported() && isChromeWithFetchCredentials()) {\n    PDFFetchStream = require(\"./display/fetch_stream.js\").PDFFetchStream;\n  }\n  setPDFNetworkStreamFactory(params => {\n    if (PDFFetchStream && isValidFetchUrl(params.url)) {\n      return new PDFFetchStream(params);\n    }\n    return new PDFNetworkStream(params);\n  });\n}\n\nexport {\n  // From \"./display/display_utils.js\":\n  addLinkAttributes,\n  getFilenameFromUrl,\n  LinkTarget,\n  loadScript,\n  PDFDateString,\n  RenderingCancelledException,\n  // From \"./display/api.js\":\n  build,\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  version,\n  // From \"./shared/util.js\":\n  CMapCompressionType,\n  createObjectURL,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  InvalidPDFException,\n  MissingPDFException,\n  OPS,\n  PasswordResponses,\n  PermissionFlag,\n  removeNullCharacters,\n  shadow,\n  UnexpectedResponseException,\n  UNSUPPORTED_FEATURES,\n  Util,\n  VerbosityLevel,\n  // From \"./display/annotation_layer.js\":\n  AnnotationLayer,\n  // From \"./display/api_compatibility.js\":\n  apiCompatibilityParams,\n  // From \"./display/worker_options.js\":\n  GlobalWorkerOptions,\n  // From \"./display/text_layer.js\":\n  renderTextLayer,\n  // From \"./display/svg.js\":\n  SVGGraphics,\n};\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  BaseException,\n  CMapCompressionType,\n  isString,\n  removeNullCharacters,\n  stringToBytes,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\n\nconst DEFAULT_LINK_REL = \"noopener noreferrer nofollow\";\nconst SVG_NS = \"http://www.w3.org/2000/svg\";\n\nclass BaseCanvasFactory {\n  constructor() {\n    if (this.constructor === BaseCanvasFactory) {\n      unreachable(\"Cannot initialize BaseCanvasFactory.\");\n    }\n  }\n\n  create(width, height) {\n    unreachable(\"Abstract method `create` called.\");\n  }\n\n  reset(canvasAndContext, width, height) {\n    if (!canvasAndContext.canvas) {\n      throw new Error(\"Canvas is not specified\");\n    }\n    if (width <= 0 || height <= 0) {\n      throw new Error(\"Invalid canvas size\");\n    }\n    canvasAndContext.canvas.width = width;\n    canvasAndContext.canvas.height = height;\n  }\n\n  destroy(canvasAndContext) {\n    if (!canvasAndContext.canvas) {\n      throw new Error(\"Canvas is not specified\");\n    }\n    // Zeroing the width and height cause Firefox to release graphics\n    // resources immediately, which can greatly reduce memory consumption.\n    canvasAndContext.canvas.width = 0;\n    canvasAndContext.canvas.height = 0;\n    canvasAndContext.canvas = null;\n    canvasAndContext.context = null;\n  }\n}\n\nclass DOMCanvasFactory extends BaseCanvasFactory {\n  constructor({ ownerDocument = globalThis.document } = {}) {\n    super();\n    this._document = ownerDocument;\n  }\n\n  create(width, height) {\n    if (width <= 0 || height <= 0) {\n      throw new Error(\"Invalid canvas size\");\n    }\n    const canvas = this._document.createElement(\"canvas\");\n    const context = canvas.getContext(\"2d\");\n    canvas.width = width;\n    canvas.height = height;\n    return {\n      canvas,\n      context,\n    };\n  }\n}\n\nclass BaseCMapReaderFactory {\n  constructor({ baseUrl = null, isCompressed = false }) {\n    if (this.constructor === BaseCMapReaderFactory) {\n      unreachable(\"Cannot initialize BaseCMapReaderFactory.\");\n    }\n    this.baseUrl = baseUrl;\n    this.isCompressed = isCompressed;\n  }\n\n  async fetch({ name }) {\n    if (!this.baseUrl) {\n      throw new Error(\n        'The CMap \"baseUrl\" parameter must be specified, ensure that ' +\n          'the \"cMapUrl\" and \"cMapPacked\" API parameters are provided.'\n      );\n    }\n    if (!name) {\n      throw new Error(\"CMap name must be specified.\");\n    }\n    const url = this.baseUrl + name + (this.isCompressed ? \".bcmap\" : \"\");\n    const compressionType = this.isCompressed\n      ? CMapCompressionType.BINARY\n      : CMapCompressionType.NONE;\n\n    return this._fetchData(url, compressionType).catch(reason => {\n      throw new Error(\n        `Unable to load ${this.isCompressed ? \"binary \" : \"\"}CMap at: ${url}`\n      );\n    });\n  }\n\n  /**\n   * @private\n   */\n  _fetchData(url, compressionType) {\n    unreachable(\"Abstract method `_fetchData` called.\");\n  }\n}\n\nclass DOMCMapReaderFactory extends BaseCMapReaderFactory {\n  _fetchData(url, compressionType) {\n    if (\n      (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) ||\n      (isFetchSupported() && isValidFetchUrl(url, document.baseURI))\n    ) {\n      return fetch(url).then(async response => {\n        if (!response.ok) {\n          throw new Error(response.statusText);\n        }\n        let cMapData;\n        if (this.isCompressed) {\n          cMapData = new Uint8Array(await response.arrayBuffer());\n        } else {\n          cMapData = stringToBytes(await response.text());\n        }\n        return { cMapData, compressionType };\n      });\n    }\n\n    // The Fetch API is not supported.\n    return new Promise((resolve, reject) => {\n      const request = new XMLHttpRequest();\n      request.open(\"GET\", url, true);\n\n      if (this.isCompressed) {\n        request.responseType = \"arraybuffer\";\n      }\n      request.onreadystatechange = () => {\n        if (request.readyState !== XMLHttpRequest.DONE) {\n          return;\n        }\n        if (request.status === 200 || request.status === 0) {\n          let cMapData;\n          if (this.isCompressed && request.response) {\n            cMapData = new Uint8Array(request.response);\n          } else if (!this.isCompressed && request.responseText) {\n            cMapData = stringToBytes(request.responseText);\n          }\n          if (cMapData) {\n            resolve({ cMapData, compressionType });\n            return;\n          }\n        }\n        reject(new Error(request.statusText));\n      };\n\n      request.send(null);\n    });\n  }\n}\n\nclass DOMSVGFactory {\n  create(width, height) {\n    assert(width > 0 && height > 0, \"Invalid SVG dimensions\");\n\n    const svg = document.createElementNS(SVG_NS, \"svg:svg\");\n    svg.setAttribute(\"version\", \"1.1\");\n    svg.setAttribute(\"width\", width + \"px\");\n    svg.setAttribute(\"height\", height + \"px\");\n    svg.setAttribute(\"preserveAspectRatio\", \"none\");\n    svg.setAttribute(\"viewBox\", \"0 0 \" + width + \" \" + height);\n\n    return svg;\n  }\n\n  createElement(type) {\n    assert(typeof type === \"string\", \"Invalid SVG element type\");\n\n    return document.createElementNS(SVG_NS, type);\n  }\n}\n\n/**\n * @typedef {Object} PageViewportParameters\n * @property {Array<number>} viewBox - The xMin, yMin, xMax and\n *   yMax coordinates.\n * @property {number} scale - The scale of the viewport.\n * @property {number} rotation - The rotation, in degrees, of the viewport.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset. The\n *   default value is `0`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset. The\n *   default value is `0`.\n * @property {boolean} [dontFlip] - If true, the y-axis will not be flipped.\n *   The default value is `false`.\n */\n\n/**\n * @typedef {Object} PageViewportCloneParameters\n * @property {number} [scale] - The scale, overriding the one in the cloned\n *   viewport. The default value is `this.scale`.\n * @property {number} [rotation] - The rotation, in degrees, overriding the one\n *   in the cloned viewport. The default value is `this.rotation`.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.\n *   The default value is `this.offsetX`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.\n *   The default value is `this.offsetY`.\n * @property {boolean} [dontFlip] - If true, the x-axis will not be flipped.\n *   The default value is `false`.\n */\n\n/**\n * PDF page viewport created based on scale, rotation and offset.\n */\nclass PageViewport {\n  /**\n   * @param {PageViewportParameters}\n   */\n  constructor({\n    viewBox,\n    scale,\n    rotation,\n    offsetX = 0,\n    offsetY = 0,\n    dontFlip = false,\n  }) {\n    this.viewBox = viewBox;\n    this.scale = scale;\n    this.rotation = rotation;\n    this.offsetX = offsetX;\n    this.offsetY = offsetY;\n\n    // creating transform to convert pdf coordinate system to the normal\n    // canvas like coordinates taking in account scale and rotation\n    const centerX = (viewBox[2] + viewBox[0]) / 2;\n    const centerY = (viewBox[3] + viewBox[1]) / 2;\n    let rotateA, rotateB, rotateC, rotateD;\n    rotation = rotation % 360;\n    rotation = rotation < 0 ? rotation + 360 : rotation;\n    switch (rotation) {\n      case 180:\n        rotateA = -1;\n        rotateB = 0;\n        rotateC = 0;\n        rotateD = 1;\n        break;\n      case 90:\n        rotateA = 0;\n        rotateB = 1;\n        rotateC = 1;\n        rotateD = 0;\n        break;\n      case 270:\n        rotateA = 0;\n        rotateB = -1;\n        rotateC = -1;\n        rotateD = 0;\n        break;\n      case 0:\n        rotateA = 1;\n        rotateB = 0;\n        rotateC = 0;\n        rotateD = -1;\n        break;\n      default:\n        throw new Error(\n          \"PageViewport: Invalid rotation, must be a multiple of 90 degrees.\"\n        );\n    }\n\n    if (dontFlip) {\n      rotateC = -rotateC;\n      rotateD = -rotateD;\n    }\n\n    let offsetCanvasX, offsetCanvasY;\n    let width, height;\n    if (rotateA === 0) {\n      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;\n      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;\n      width = Math.abs(viewBox[3] - viewBox[1]) * scale;\n      height = Math.abs(viewBox[2] - viewBox[0]) * scale;\n    } else {\n      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;\n      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;\n      width = Math.abs(viewBox[2] - viewBox[0]) * scale;\n      height = Math.abs(viewBox[3] - viewBox[1]) * scale;\n    }\n    // creating transform for the following operations:\n    // translate(-centerX, -centerY), rotate and flip vertically,\n    // scale, and translate(offsetCanvasX, offsetCanvasY)\n    this.transform = [\n      rotateA * scale,\n      rotateB * scale,\n      rotateC * scale,\n      rotateD * scale,\n      offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,\n      offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY,\n    ];\n\n    this.width = width;\n    this.height = height;\n  }\n\n  /**\n   * Clones viewport, with optional additional properties.\n   * @param {PageViewportCloneParameters} [params]\n   * @returns {PageViewport} Cloned viewport.\n   */\n  clone({\n    scale = this.scale,\n    rotation = this.rotation,\n    offsetX = this.offsetX,\n    offsetY = this.offsetY,\n    dontFlip = false,\n  } = {}) {\n    return new PageViewport({\n      viewBox: this.viewBox.slice(),\n      scale,\n      rotation,\n      offsetX,\n      offsetY,\n      dontFlip,\n    });\n  }\n\n  /**\n   * Converts PDF point to the viewport coordinates. For examples, useful for\n   * converting PDF location into canvas pixel coordinates.\n   * @param {number} x - The x-coordinate.\n   * @param {number} y - The y-coordinate.\n   * @returns {Object} Object containing `x` and `y` properties of the\n   *   point in the viewport coordinate space.\n   * @see {@link convertToPdfPoint}\n   * @see {@link convertToViewportRectangle}\n   */\n  convertToViewportPoint(x, y) {\n    return Util.applyTransform([x, y], this.transform);\n  }\n\n  /**\n   * Converts PDF rectangle to the viewport coordinates.\n   * @param {Array} rect - The xMin, yMin, xMax and yMax coordinates.\n   * @returns {Array} Array containing corresponding coordinates of the\n   *   rectangle in the viewport coordinate space.\n   * @see {@link convertToViewportPoint}\n   */\n  convertToViewportRectangle(rect) {\n    const topLeft = Util.applyTransform([rect[0], rect[1]], this.transform);\n    const bottomRight = Util.applyTransform([rect[2], rect[3]], this.transform);\n    return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];\n  }\n\n  /**\n   * Converts viewport coordinates to the PDF location. For examples, useful\n   * for converting canvas pixel location into PDF one.\n   * @param {number} x - The x-coordinate.\n   * @param {number} y - The y-coordinate.\n   * @returns {Object} Object containing `x` and `y` properties of the\n   *   point in the PDF coordinate space.\n   * @see {@link convertToViewportPoint}\n   */\n  convertToPdfPoint(x, y) {\n    return Util.applyInverseTransform([x, y], this.transform);\n  }\n}\n\nclass RenderingCancelledException extends BaseException {\n  constructor(msg, type) {\n    super(msg);\n    this.type = type;\n  }\n}\n\nconst LinkTarget = {\n  NONE: 0, // Default value.\n  SELF: 1,\n  BLANK: 2,\n  PARENT: 3,\n  TOP: 4,\n};\n\n/**\n * @typedef ExternalLinkParameters\n * @typedef {Object} ExternalLinkParameters\n * @property {string} url - An absolute URL.\n * @property {LinkTarget} [target] - The link target. The default value is\n *   `LinkTarget.NONE`.\n * @property {string} [rel] - The link relationship. The default value is\n *   `DEFAULT_LINK_REL`.\n * @property {boolean} [enabled] - Whether the link should be enabled. The\n *   default value is true.\n */\n\n/**\n * Adds various attributes (href, title, target, rel) to hyperlinks.\n * @param {HTMLLinkElement} link - The link element.\n * @param {ExternalLinkParameters} params\n */\nfunction addLinkAttributes(link, { url, target, rel, enabled = true } = {}) {\n  assert(\n    url && typeof url === \"string\",\n    'addLinkAttributes: A valid \"url\" parameter must provided.'\n  );\n\n  const urlNullRemoved = removeNullCharacters(url);\n  if (enabled) {\n    link.href = link.title = urlNullRemoved;\n  } else {\n    link.href = \"\";\n    link.title = `Disabled: ${urlNullRemoved}`;\n    link.onclick = () => {\n      return false;\n    };\n  }\n\n  let targetStr = \"\"; // LinkTarget.NONE\n  switch (target) {\n    case LinkTarget.NONE:\n      break;\n    case LinkTarget.SELF:\n      targetStr = \"_self\";\n      break;\n    case LinkTarget.BLANK:\n      targetStr = \"_blank\";\n      break;\n    case LinkTarget.PARENT:\n      targetStr = \"_parent\";\n      break;\n    case LinkTarget.TOP:\n      targetStr = \"_top\";\n      break;\n  }\n  link.target = targetStr;\n\n  link.rel = typeof rel === \"string\" ? rel : DEFAULT_LINK_REL;\n}\n\n/**\n * Gets the file name from a given URL.\n * @param {string} url\n */\nfunction getFilenameFromUrl(url) {\n  const anchor = url.indexOf(\"#\");\n  const query = url.indexOf(\"?\");\n  const end = Math.min(\n    anchor > 0 ? anchor : url.length,\n    query > 0 ? query : url.length\n  );\n  return url.substring(url.lastIndexOf(\"/\", end) + 1, end);\n}\n\nclass StatTimer {\n  constructor() {\n    this.started = Object.create(null);\n    this.times = [];\n  }\n\n  time(name) {\n    if (name in this.started) {\n      warn(`Timer is already running for ${name}`);\n    }\n    this.started[name] = Date.now();\n  }\n\n  timeEnd(name) {\n    if (!(name in this.started)) {\n      warn(`Timer has not been started for ${name}`);\n    }\n    this.times.push({\n      name,\n      start: this.started[name],\n      end: Date.now(),\n    });\n    // Remove timer from started so it can be called again.\n    delete this.started[name];\n  }\n\n  toString() {\n    // Find the longest name for padding purposes.\n    const outBuf = [];\n    let longest = 0;\n    for (const time of this.times) {\n      const name = time.name;\n      if (name.length > longest) {\n        longest = name.length;\n      }\n    }\n    for (const time of this.times) {\n      const duration = time.end - time.start;\n      outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\\n`);\n    }\n    return outBuf.join(\"\");\n  }\n}\n\nfunction isFetchSupported() {\n  return (\n    typeof fetch !== \"undefined\" &&\n    typeof Response !== \"undefined\" &&\n    \"body\" in Response.prototype &&\n    typeof ReadableStream !== \"undefined\"\n  );\n}\n\nfunction isValidFetchUrl(url, baseUrl) {\n  try {\n    const { protocol } = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    // The Fetch API only supports the http/https protocols, and not file/ftp.\n    return protocol === \"http:\" || protocol === \"https:\";\n  } catch (ex) {\n    return false; // `new URL()` will throw on incorrect data.\n  }\n}\n\n/**\n * @param {string} src\n * @returns {Promise<void>}\n */\nfunction loadScript(src) {\n  return new Promise((resolve, reject) => {\n    const script = document.createElement(\"script\");\n    script.src = src;\n\n    script.onload = resolve;\n    script.onerror = function () {\n      reject(new Error(`Cannot load script at: ${script.src}`));\n    };\n    (document.head || document.documentElement).appendChild(script);\n  });\n}\n\n// Deprecated API function -- display regardless of the `verbosity` setting.\nfunction deprecated(details) {\n  console.log(\"Deprecated API usage: \" + details);\n}\n\nlet pdfDateStringRegex;\n\nclass PDFDateString {\n  /**\n   * Convert a PDF date string to a JavaScript `Date` object.\n   *\n   * The PDF date string format is described in section 7.9.4 of the official\n   * PDF 32000-1:2008 specification. However, in the PDF 1.7 reference (sixth\n   * edition) Adobe describes the same format including a trailing apostrophe.\n   * This syntax in incorrect, but Adobe Acrobat creates PDF files that contain\n   * them. We ignore all apostrophes as they are not necessary for date parsing.\n   *\n   * Moreover, Adobe Acrobat doesn't handle changing the date to universal time\n   * and doesn't use the user's time zone (effectively ignoring the HH' and mm'\n   * parts of the date string).\n   *\n   * @param {string} input\n   * @returns {Date|null}\n   */\n  static toDateObject(input) {\n    if (!input || !isString(input)) {\n      return null;\n    }\n\n    // Lazily initialize the regular expression.\n    if (!pdfDateStringRegex) {\n      pdfDateStringRegex = new RegExp(\n        \"^D:\" + // Prefix (required)\n        \"(\\\\d{4})\" + // Year (required)\n        \"(\\\\d{2})?\" + // Month (optional)\n        \"(\\\\d{2})?\" + // Day (optional)\n        \"(\\\\d{2})?\" + // Hour (optional)\n        \"(\\\\d{2})?\" + // Minute (optional)\n        \"(\\\\d{2})?\" + // Second (optional)\n        \"([Z|+|-])?\" + // Universal time relation (optional)\n        \"(\\\\d{2})?\" + // Offset hour (optional)\n        \"'?\" + // Splitting apostrophe (optional)\n        \"(\\\\d{2})?\" + // Offset minute (optional)\n          \"'?\" // Trailing apostrophe (optional)\n      );\n    }\n\n    // Optional fields that don't satisfy the requirements from the regular\n    // expression (such as incorrect digit counts or numbers that are out of\n    // range) will fall back the defaults from the specification.\n    const matches = pdfDateStringRegex.exec(input);\n    if (!matches) {\n      return null;\n    }\n\n    // JavaScript's `Date` object expects the month to be between 0 and 11\n    // instead of 1 and 12, so we have to correct for that.\n    const year = parseInt(matches[1], 10);\n    let month = parseInt(matches[2], 10);\n    month = month >= 1 && month <= 12 ? month - 1 : 0;\n    let day = parseInt(matches[3], 10);\n    day = day >= 1 && day <= 31 ? day : 1;\n    let hour = parseInt(matches[4], 10);\n    hour = hour >= 0 && hour <= 23 ? hour : 0;\n    let minute = parseInt(matches[5], 10);\n    minute = minute >= 0 && minute <= 59 ? minute : 0;\n    let second = parseInt(matches[6], 10);\n    second = second >= 0 && second <= 59 ? second : 0;\n    const universalTimeRelation = matches[7] || \"Z\";\n    let offsetHour = parseInt(matches[8], 10);\n    offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;\n    let offsetMinute = parseInt(matches[9], 10) || 0;\n    offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;\n\n    // Universal time relation 'Z' means that the local time is equal to the\n    // universal time, whereas the relations '+'/'-' indicate that the local\n    // time is later respectively earlier than the universal time. Every date\n    // is normalized to universal time.\n    if (universalTimeRelation === \"-\") {\n      hour += offsetHour;\n      minute += offsetMinute;\n    } else if (universalTimeRelation === \"+\") {\n      hour -= offsetHour;\n      minute -= offsetMinute;\n    }\n\n    return new Date(Date.UTC(year, month, day, hour, minute, second));\n  }\n}\n\nexport {\n  PageViewport,\n  RenderingCancelledException,\n  addLinkAttributes,\n  getFilenameFromUrl,\n  LinkTarget,\n  DEFAULT_LINK_REL,\n  BaseCanvasFactory,\n  DOMCanvasFactory,\n  BaseCMapReaderFactory,\n  DOMCMapReaderFactory,\n  DOMSVGFactory,\n  StatTimer,\n  isFetchSupported,\n  isValidFetchUrl,\n  loadScript,\n  deprecated,\n  PDFDateString,\n};\n","module.exports = require(\"regenerator-runtime\");\n","/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nvar runtime = (function (exports) {\n  \"use strict\";\n\n  var Op = Object.prototype;\n  var hasOwn = Op.hasOwnProperty;\n  var undefined; // More compressible than void 0.\n  var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n  var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n  var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n  var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n  function define(obj, key, value) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n    return obj[key];\n  }\n  try {\n    // IE 8 has a broken Object.defineProperty that only works on DOM objects.\n    define({}, \"\");\n  } catch (err) {\n    define = function(obj, key, value) {\n      return obj[key] = value;\n    };\n  }\n\n  function wrap(innerFn, outerFn, self, tryLocsList) {\n    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.\n    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n    var generator = Object.create(protoGenerator.prototype);\n    var context = new Context(tryLocsList || []);\n\n    // The ._invoke method unifies the implementations of the .next,\n    // .throw, and .return methods.\n    generator._invoke = makeInvokeMethod(innerFn, self, context);\n\n    return generator;\n  }\n  exports.wrap = wrap;\n\n  // Try/catch helper to minimize deoptimizations. Returns a completion\n  // record like context.tryEntries[i].completion. This interface could\n  // have been (and was previously) designed to take a closure to be\n  // invoked without arguments, but in all the cases we care about we\n  // already have an existing method we want to call, so there's no need\n  // to create a new function object. We can even get away with assuming\n  // the method takes exactly one argument, since that happens to be true\n  // in every case, so we don't have to touch the arguments object. The\n  // only additional allocation required is the completion record, which\n  // has a stable shape and so hopefully should be cheap to allocate.\n  function tryCatch(fn, obj, arg) {\n    try {\n      return { type: \"normal\", arg: fn.call(obj, arg) };\n    } catch (err) {\n      return { type: \"throw\", arg: err };\n    }\n  }\n\n  var GenStateSuspendedStart = \"suspendedStart\";\n  var GenStateSuspendedYield = \"suspendedYield\";\n  var GenStateExecuting = \"executing\";\n  var GenStateCompleted = \"completed\";\n\n  // Returning this object from the innerFn has the same effect as\n  // breaking out of the dispatch switch statement.\n  var ContinueSentinel = {};\n\n  // Dummy constructor functions that we use as the .constructor and\n  // .constructor.prototype properties for functions that return Generator\n  // objects. For full spec compliance, you may wish to configure your\n  // minifier not to mangle the names of these two functions.\n  function Generator() {}\n  function GeneratorFunction() {}\n  function GeneratorFunctionPrototype() {}\n\n  // This is a polyfill for %IteratorPrototype% for environments that\n  // don't natively support it.\n  var IteratorPrototype = {};\n  IteratorPrototype[iteratorSymbol] = function () {\n    return this;\n  };\n\n  var getProto = Object.getPrototypeOf;\n  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n  if (NativeIteratorPrototype &&\n      NativeIteratorPrototype !== Op &&\n      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n    // This environment has a native %IteratorPrototype%; use it instead\n    // of the polyfill.\n    IteratorPrototype = NativeIteratorPrototype;\n  }\n\n  var Gp = GeneratorFunctionPrototype.prototype =\n    Generator.prototype = Object.create(IteratorPrototype);\n  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n  GeneratorFunctionPrototype.constructor = GeneratorFunction;\n  GeneratorFunction.displayName = define(\n    GeneratorFunctionPrototype,\n    toStringTagSymbol,\n    \"GeneratorFunction\"\n  );\n\n  // Helper for defining the .next, .throw, and .return methods of the\n  // Iterator interface in terms of a single ._invoke method.\n  function defineIteratorMethods(prototype) {\n    [\"next\", \"throw\", \"return\"].forEach(function(method) {\n      define(prototype, method, function(arg) {\n        return this._invoke(method, arg);\n      });\n    });\n  }\n\n  exports.isGeneratorFunction = function(genFun) {\n    var ctor = typeof genFun === \"function\" && genFun.constructor;\n    return ctor\n      ? ctor === GeneratorFunction ||\n        // For the native GeneratorFunction constructor, the best we can\n        // do is to check its .name property.\n        (ctor.displayName || ctor.name) === \"GeneratorFunction\"\n      : false;\n  };\n\n  exports.mark = function(genFun) {\n    if (Object.setPrototypeOf) {\n      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n    } else {\n      genFun.__proto__ = GeneratorFunctionPrototype;\n      define(genFun, toStringTagSymbol, \"GeneratorFunction\");\n    }\n    genFun.prototype = Object.create(Gp);\n    return genFun;\n  };\n\n  // Within the body of any async function, `await x` is transformed to\n  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test\n  // `hasOwn.call(value, \"__await\")` to determine if the yielded value is\n  // meant to be awaited.\n  exports.awrap = function(arg) {\n    return { __await: arg };\n  };\n\n  function AsyncIterator(generator, PromiseImpl) {\n    function invoke(method, arg, resolve, reject) {\n      var record = tryCatch(generator[method], generator, arg);\n      if (record.type === \"throw\") {\n        reject(record.arg);\n      } else {\n        var result = record.arg;\n        var value = result.value;\n        if (value &&\n            typeof value === \"object\" &&\n            hasOwn.call(value, \"__await\")) {\n          return PromiseImpl.resolve(value.__await).then(function(value) {\n            invoke(\"next\", value, resolve, reject);\n          }, function(err) {\n            invoke(\"throw\", err, resolve, reject);\n          });\n        }\n\n        return PromiseImpl.resolve(value).then(function(unwrapped) {\n          // When a yielded Promise is resolved, its final value becomes\n          // the .value of the Promise<{value,done}> result for the\n          // current iteration.\n          result.value = unwrapped;\n          resolve(result);\n        }, function(error) {\n          // If a rejected Promise was yielded, throw the rejection back\n          // into the async generator function so it can be handled there.\n          return invoke(\"throw\", error, resolve, reject);\n        });\n      }\n    }\n\n    var previousPromise;\n\n    function enqueue(method, arg) {\n      function callInvokeWithMethodAndArg() {\n        return new PromiseImpl(function(resolve, reject) {\n          invoke(method, arg, resolve, reject);\n        });\n      }\n\n      return previousPromise =\n        // If enqueue has been called before, then we want to wait until\n        // all previous Promises have been resolved before calling invoke,\n        // so that results are always delivered in the correct order. If\n        // enqueue has not been called before, then it is important to\n        // call invoke immediately, without waiting on a callback to fire,\n        // so that the async generator function has the opportunity to do\n        // any necessary setup in a predictable way. This predictability\n        // is why the Promise constructor synchronously invokes its\n        // executor callback, and why async functions synchronously\n        // execute code before the first await. Since we implement simple\n        // async functions in terms of async generators, it is especially\n        // important to get this right, even though it requires care.\n        previousPromise ? previousPromise.then(\n          callInvokeWithMethodAndArg,\n          // Avoid propagating failures to Promises returned by later\n          // invocations of the iterator.\n          callInvokeWithMethodAndArg\n        ) : callInvokeWithMethodAndArg();\n    }\n\n    // Define the unified helper method that is used to implement .next,\n    // .throw, and .return (see defineIteratorMethods).\n    this._invoke = enqueue;\n  }\n\n  defineIteratorMethods(AsyncIterator.prototype);\n  AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n    return this;\n  };\n  exports.AsyncIterator = AsyncIterator;\n\n  // Note that simple async functions are implemented on top of\n  // AsyncIterator objects; they just return a Promise for the value of\n  // the final result produced by the iterator.\n  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n    if (PromiseImpl === void 0) PromiseImpl = Promise;\n\n    var iter = new AsyncIterator(\n      wrap(innerFn, outerFn, self, tryLocsList),\n      PromiseImpl\n    );\n\n    return exports.isGeneratorFunction(outerFn)\n      ? iter // If outerFn is a generator, return the full iterator.\n      : iter.next().then(function(result) {\n          return result.done ? result.value : iter.next();\n        });\n  };\n\n  function makeInvokeMethod(innerFn, self, context) {\n    var state = GenStateSuspendedStart;\n\n    return function invoke(method, arg) {\n      if (state === GenStateExecuting) {\n        throw new Error(\"Generator is already running\");\n      }\n\n      if (state === GenStateCompleted) {\n        if (method === \"throw\") {\n          throw arg;\n        }\n\n        // Be forgiving, per 25.3.3.3.3 of the spec:\n        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume\n        return doneResult();\n      }\n\n      context.method = method;\n      context.arg = arg;\n\n      while (true) {\n        var delegate = context.delegate;\n        if (delegate) {\n          var delegateResult = maybeInvokeDelegate(delegate, context);\n          if (delegateResult) {\n            if (delegateResult === ContinueSentinel) continue;\n            return delegateResult;\n          }\n        }\n\n        if (context.method === \"next\") {\n          // Setting context._sent for legacy support of Babel's\n          // function.sent implementation.\n          context.sent = context._sent = context.arg;\n\n        } else if (context.method === \"throw\") {\n          if (state === GenStateSuspendedStart) {\n            state = GenStateCompleted;\n            throw context.arg;\n          }\n\n          context.dispatchException(context.arg);\n\n        } else if (context.method === \"return\") {\n          context.abrupt(\"return\", context.arg);\n        }\n\n        state = GenStateExecuting;\n\n        var record = tryCatch(innerFn, self, context);\n        if (record.type === \"normal\") {\n          // If an exception is thrown from innerFn, we leave state ===\n          // GenStateExecuting and loop back for another invocation.\n          state = context.done\n            ? GenStateCompleted\n            : GenStateSuspendedYield;\n\n          if (record.arg === ContinueSentinel) {\n            continue;\n          }\n\n          return {\n            value: record.arg,\n            done: context.done\n          };\n\n        } else if (record.type === \"throw\") {\n          state = GenStateCompleted;\n          // Dispatch the exception by looping back around to the\n          // context.dispatchException(context.arg) call above.\n          context.method = \"throw\";\n          context.arg = record.arg;\n        }\n      }\n    };\n  }\n\n  // Call delegate.iterator[context.method](context.arg) and handle the\n  // result, either by returning a { value, done } result from the\n  // delegate iterator, or by modifying context.method and context.arg,\n  // setting context.delegate to null, and returning the ContinueSentinel.\n  function maybeInvokeDelegate(delegate, context) {\n    var method = delegate.iterator[context.method];\n    if (method === undefined) {\n      // A .throw or .return when the delegate iterator has no .throw\n      // method always terminates the yield* loop.\n      context.delegate = null;\n\n      if (context.method === \"throw\") {\n        // Note: [\"return\"] must be used for ES3 parsing compatibility.\n        if (delegate.iterator[\"return\"]) {\n          // If the delegate iterator has a return method, give it a\n          // chance to clean up.\n          context.method = \"return\";\n          context.arg = undefined;\n          maybeInvokeDelegate(delegate, context);\n\n          if (context.method === \"throw\") {\n            // If maybeInvokeDelegate(context) changed context.method from\n            // \"return\" to \"throw\", let that override the TypeError below.\n            return ContinueSentinel;\n          }\n        }\n\n        context.method = \"throw\";\n        context.arg = new TypeError(\n          \"The iterator does not provide a 'throw' method\");\n      }\n\n      return ContinueSentinel;\n    }\n\n    var record = tryCatch(method, delegate.iterator, context.arg);\n\n    if (record.type === \"throw\") {\n      context.method = \"throw\";\n      context.arg = record.arg;\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    var info = record.arg;\n\n    if (! info) {\n      context.method = \"throw\";\n      context.arg = new TypeError(\"iterator result is not an object\");\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    if (info.done) {\n      // Assign the result of the finished delegate to the temporary\n      // variable specified by delegate.resultName (see delegateYield).\n      context[delegate.resultName] = info.value;\n\n      // Resume execution at the desired location (see delegateYield).\n      context.next = delegate.nextLoc;\n\n      // If context.method was \"throw\" but the delegate handled the\n      // exception, let the outer generator proceed normally. If\n      // context.method was \"next\", forget context.arg since it has been\n      // \"consumed\" by the delegate iterator. If context.method was\n      // \"return\", allow the original .return call to continue in the\n      // outer generator.\n      if (context.method !== \"return\") {\n        context.method = \"next\";\n        context.arg = undefined;\n      }\n\n    } else {\n      // Re-yield the result returned by the delegate method.\n      return info;\n    }\n\n    // The delegate iterator is finished, so forget it and continue with\n    // the outer generator.\n    context.delegate = null;\n    return ContinueSentinel;\n  }\n\n  // Define Generator.prototype.{next,throw,return} in terms of the\n  // unified ._invoke helper method.\n  defineIteratorMethods(Gp);\n\n  define(Gp, toStringTagSymbol, \"Generator\");\n\n  // A Generator should always return itself as the iterator object when the\n  // @@iterator function is called on it. Some browsers' implementations of the\n  // iterator prototype chain incorrectly implement this, causing the Generator\n  // object to not be returned from this call. This ensures that doesn't happen.\n  // See https://github.com/facebook/regenerator/issues/274 for more details.\n  Gp[iteratorSymbol] = function() {\n    return this;\n  };\n\n  Gp.toString = function() {\n    return \"[object Generator]\";\n  };\n\n  function pushTryEntry(locs) {\n    var entry = { tryLoc: locs[0] };\n\n    if (1 in locs) {\n      entry.catchLoc = locs[1];\n    }\n\n    if (2 in locs) {\n      entry.finallyLoc = locs[2];\n      entry.afterLoc = locs[3];\n    }\n\n    this.tryEntries.push(entry);\n  }\n\n  function resetTryEntry(entry) {\n    var record = entry.completion || {};\n    record.type = \"normal\";\n    delete record.arg;\n    entry.completion = record;\n  }\n\n  function Context(tryLocsList) {\n    // The root entry object (effectively a try statement without a catch\n    // or a finally block) gives us a place to store values thrown from\n    // locations where there is no enclosing try statement.\n    this.tryEntries = [{ tryLoc: \"root\" }];\n    tryLocsList.forEach(pushTryEntry, this);\n    this.reset(true);\n  }\n\n  exports.keys = function(object) {\n    var keys = [];\n    for (var key in object) {\n      keys.push(key);\n    }\n    keys.reverse();\n\n    // Rather than returning an object with a next method, we keep\n    // things simple and return the next function itself.\n    return function next() {\n      while (keys.length) {\n        var key = keys.pop();\n        if (key in object) {\n          next.value = key;\n          next.done = false;\n          return next;\n        }\n      }\n\n      // To avoid creating an additional object, we just hang the .value\n      // and .done properties off the next function object itself. This\n      // also ensures that the minifier will not anonymize the function.\n      next.done = true;\n      return next;\n    };\n  };\n\n  function values(iterable) {\n    if (iterable) {\n      var iteratorMethod = iterable[iteratorSymbol];\n      if (iteratorMethod) {\n        return iteratorMethod.call(iterable);\n      }\n\n      if (typeof iterable.next === \"function\") {\n        return iterable;\n      }\n\n      if (!isNaN(iterable.length)) {\n        var i = -1, next = function next() {\n          while (++i < iterable.length) {\n            if (hasOwn.call(iterable, i)) {\n              next.value = iterable[i];\n              next.done = false;\n              return next;\n            }\n          }\n\n          next.value = undefined;\n          next.done = true;\n\n          return next;\n        };\n\n        return next.next = next;\n      }\n    }\n\n    // Return an iterator with no values.\n    return { next: doneResult };\n  }\n  exports.values = values;\n\n  function doneResult() {\n    return { value: undefined, done: true };\n  }\n\n  Context.prototype = {\n    constructor: Context,\n\n    reset: function(skipTempReset) {\n      this.prev = 0;\n      this.next = 0;\n      // Resetting context._sent for legacy support of Babel's\n      // function.sent implementation.\n      this.sent = this._sent = undefined;\n      this.done = false;\n      this.delegate = null;\n\n      this.method = \"next\";\n      this.arg = undefined;\n\n      this.tryEntries.forEach(resetTryEntry);\n\n      if (!skipTempReset) {\n        for (var name in this) {\n          // Not sure about the optimal order of these conditions:\n          if (name.charAt(0) === \"t\" &&\n              hasOwn.call(this, name) &&\n              !isNaN(+name.slice(1))) {\n            this[name] = undefined;\n          }\n        }\n      }\n    },\n\n    stop: function() {\n      this.done = true;\n\n      var rootEntry = this.tryEntries[0];\n      var rootRecord = rootEntry.completion;\n      if (rootRecord.type === \"throw\") {\n        throw rootRecord.arg;\n      }\n\n      return this.rval;\n    },\n\n    dispatchException: function(exception) {\n      if (this.done) {\n        throw exception;\n      }\n\n      var context = this;\n      function handle(loc, caught) {\n        record.type = \"throw\";\n        record.arg = exception;\n        context.next = loc;\n\n        if (caught) {\n          // If the dispatched exception was caught by a catch block,\n          // then let that catch block handle the exception normally.\n          context.method = \"next\";\n          context.arg = undefined;\n        }\n\n        return !! caught;\n      }\n\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        var record = entry.completion;\n\n        if (entry.tryLoc === \"root\") {\n          // Exception thrown outside of any try block that could handle\n          // it, so set the completion value of the entire function to\n          // throw the exception.\n          return handle(\"end\");\n        }\n\n        if (entry.tryLoc <= this.prev) {\n          var hasCatch = hasOwn.call(entry, \"catchLoc\");\n          var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n          if (hasCatch && hasFinally) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            } else if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else if (hasCatch) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            }\n\n          } else if (hasFinally) {\n            if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else {\n            throw new Error(\"try statement without catch or finally\");\n          }\n        }\n      }\n    },\n\n    abrupt: function(type, arg) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc <= this.prev &&\n            hasOwn.call(entry, \"finallyLoc\") &&\n            this.prev < entry.finallyLoc) {\n          var finallyEntry = entry;\n          break;\n        }\n      }\n\n      if (finallyEntry &&\n          (type === \"break\" ||\n           type === \"continue\") &&\n          finallyEntry.tryLoc <= arg &&\n          arg <= finallyEntry.finallyLoc) {\n        // Ignore the finally entry if control is not jumping to a\n        // location outside the try/catch block.\n        finallyEntry = null;\n      }\n\n      var record = finallyEntry ? finallyEntry.completion : {};\n      record.type = type;\n      record.arg = arg;\n\n      if (finallyEntry) {\n        this.method = \"next\";\n        this.next = finallyEntry.finallyLoc;\n        return ContinueSentinel;\n      }\n\n      return this.complete(record);\n    },\n\n    complete: function(record, afterLoc) {\n      if (record.type === \"throw\") {\n        throw record.arg;\n      }\n\n      if (record.type === \"break\" ||\n          record.type === \"continue\") {\n        this.next = record.arg;\n      } else if (record.type === \"return\") {\n        this.rval = this.arg = record.arg;\n        this.method = \"return\";\n        this.next = \"end\";\n      } else if (record.type === \"normal\" && afterLoc) {\n        this.next = afterLoc;\n      }\n\n      return ContinueSentinel;\n    },\n\n    finish: function(finallyLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.finallyLoc === finallyLoc) {\n          this.complete(entry.completion, entry.afterLoc);\n          resetTryEntry(entry);\n          return ContinueSentinel;\n        }\n      }\n    },\n\n    \"catch\": function(tryLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc === tryLoc) {\n          var record = entry.completion;\n          if (record.type === \"throw\") {\n            var thrown = record.arg;\n            resetTryEntry(entry);\n          }\n          return thrown;\n        }\n      }\n\n      // The context.catch method must only be called with a location\n      // argument that corresponds to a known catch block.\n      throw new Error(\"illegal catch attempt\");\n    },\n\n    delegateYield: function(iterable, resultName, nextLoc) {\n      this.delegate = {\n        iterator: values(iterable),\n        resultName: resultName,\n        nextLoc: nextLoc\n      };\n\n      if (this.method === \"next\") {\n        // Deliberately forget the last sent value so that we don't\n        // accidentally pass it on to the delegate.\n        this.arg = undefined;\n      }\n\n      return ContinueSentinel;\n    }\n  };\n\n  // Regardless of whether this script is executing as a CommonJS module\n  // or not, return the runtime object so that we can declare the variable\n  // regeneratorRuntime in the outer scope, which allows this module to be\n  // injected easily by `bin/regenerator --include-runtime script.js`.\n  return exports;\n\n}(\n  // If this script is executing as a CommonJS module, use module.exports\n  // as the regeneratorRuntime namespace. Otherwise create a new empty\n  // object. Either way, the resulting object will be used to initialize\n  // the regeneratorRuntime variable at the top of this file.\n  typeof module === \"object\" ? module.exports : {}\n));\n\ntry {\n  regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n  // This module should not be running in strict mode, so the above\n  // assignment should always work unless something is misconfigured. Just\n  // in case runtime.js accidentally runs in strict mode, we can escape\n  // strict mode using a global Function call. This could conceivably fail\n  // if a Content Security Policy forbids using Function, but in that case\n  // the proper solution is to fix the accidental strict mode problem. If\n  // you've misconfigured your bundler to force strict mode and applied a\n  // CSP to forbid Function, and you're not willing to fix either of those\n  // problems, please detail your unique predicament in a GitHub issue.\n  Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport \"./compatibility.js\";\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  MOVIE: 19,\n  WIDGET: 20,\n  SCREEN: 21,\n  PRINTERMARK: 22,\n  TRAPNET: 23,\n  WATERMARK: 24,\n  THREED: 25,\n  REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n  MARKED: \"Marked\",\n  REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n  MARKED: \"Marked\",\n  UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n  ACCEPTED: \"Accepted\",\n  REJECTED: \"Rejected\",\n  CANCELLED: \"Cancelled\",\n  COMPLETED: \"Completed\",\n  NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n  GROUP: \"Group\",\n  REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n  INVISIBLE: 0x01,\n  HIDDEN: 0x02,\n  PRINT: 0x04,\n  NOZOOM: 0x08,\n  NOROTATE: 0x10,\n  NOVIEW: 0x20,\n  READONLY: 0x40,\n  LOCKED: 0x80,\n  TOGGLENOVIEW: 0x100,\n  LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n  READONLY: 0x0000001,\n  REQUIRED: 0x0000002,\n  NOEXPORT: 0x0000004,\n  MULTILINE: 0x0001000,\n  PASSWORD: 0x0002000,\n  NOTOGGLETOOFF: 0x0004000,\n  RADIO: 0x0008000,\n  PUSHBUTTON: 0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","require('../modules/es.global-this');\n\nmodule.exports = require('../internals/global');\n","var $ = require('../internals/export');\nvar global = require('../internals/global');\n\n// `globalThis` object\n// https://github.com/tc39/proposal-global\n$({ global: true }, {\n  globalThis: global\n});\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar setGlobal = require('../internals/set-global');\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar isForced = require('../internals/is-forced');\n\n/*\n  options.target      - name of the target object\n  options.global      - target is the global object\n  options.stat        - export as static methods of target\n  options.proto       - export as prototype methods of target\n  options.real        - real prototype method for the `pure` version\n  options.forced      - export even if the native feature is available\n  options.bind        - bind methods to the target, required for the `pure` version\n  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version\n  options.unsafe      - use the simple assignment of property instead of delete + defineProperty\n  options.sham        - add a flag to not completely full polyfills\n  options.enumerable  - export as enumerable property\n  options.noTargetGet - prevent calling a getter on target\n*/\nmodule.exports = function (options, source) {\n  var TARGET = options.target;\n  var GLOBAL = options.global;\n  var STATIC = options.stat;\n  var FORCED, target, key, targetProperty, sourceProperty, descriptor;\n  if (GLOBAL) {\n    target = global;\n  } else if (STATIC) {\n    target = global[TARGET] || setGlobal(TARGET, {});\n  } else {\n    target = (global[TARGET] || {}).prototype;\n  }\n  if (target) for (key in source) {\n    sourceProperty = source[key];\n    if (options.noTargetGet) {\n      descriptor = getOwnPropertyDescriptor(target, key);\n      targetProperty = descriptor && descriptor.value;\n    } else targetProperty = target[key];\n    FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);\n    // contained in target\n    if (!FORCED && targetProperty !== undefined) {\n      if (typeof sourceProperty === typeof targetProperty) continue;\n      copyConstructorProperties(sourceProperty, targetProperty);\n    }\n    // add a flag to not completely full polyfills\n    if (options.sham || (targetProperty && targetProperty.sham)) {\n      createNonEnumerableProperty(sourceProperty, 'sham', true);\n    }\n    // extend global\n    redefine(target, key, sourceProperty, options);\n  }\n};\n","var check = function (it) {\n  return it && it.Math == Math && it;\n};\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nmodule.exports =\n  // eslint-disable-next-line no-undef\n  check(typeof globalThis == 'object' && globalThis) ||\n  check(typeof window == 'object' && window) ||\n  check(typeof self == 'object' && self) ||\n  check(typeof global == 'object' && global) ||\n  // eslint-disable-next-line no-new-func\n  Function('return this')();\n","var DESCRIPTORS = require('../internals/descriptors');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar has = require('../internals/has');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\n\nvar nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// `Object.getOwnPropertyDescriptor` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor\nexports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {\n  O = toIndexedObject(O);\n  P = toPrimitive(P, true);\n  if (IE8_DOM_DEFINE) try {\n    return nativeGetOwnPropertyDescriptor(O, P);\n  } catch (error) { /* empty */ }\n  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);\n};\n","var fails = require('../internals/fails');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !fails(function () {\n  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;\n});\n","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (error) {\n    return true;\n  }\n};\n","'use strict';\nvar nativePropertyIsEnumerable = {}.propertyIsEnumerable;\nvar getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// Nashorn ~ JDK8 bug\nvar NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);\n\n// `Object.prototype.propertyIsEnumerable` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable\nexports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {\n  var descriptor = getOwnPropertyDescriptor(this, V);\n  return !!descriptor && descriptor.enumerable;\n} : nativePropertyIsEnumerable;\n","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n","// toObject with fallback for non-array-like ES3 strings\nvar IndexedObject = require('../internals/indexed-object');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nmodule.exports = function (it) {\n  return IndexedObject(requireObjectCoercible(it));\n};\n","var fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\n\nvar split = ''.split;\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nmodule.exports = fails(function () {\n  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346\n  // eslint-disable-next-line no-prototype-builtins\n  return !Object('z').propertyIsEnumerable(0);\n}) ? function (it) {\n  return classof(it) == 'String' ? split.call(it, '') : Object(it);\n} : Object;\n","var toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n","// `RequireObjectCoercible` abstract operation\n// https://tc39.github.io/ecma262/#sec-requireobjectcoercible\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n  return it;\n};\n","var isObject = require('../internals/is-object');\n\n// `ToPrimitive` abstract operation\n// https://tc39.github.io/ecma262/#sec-toprimitive\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (input, PREFERRED_STRING) {\n  if (!isObject(input)) return input;\n  var fn, val;\n  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n","var hasOwnProperty = {}.hasOwnProperty;\n\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar createElement = require('../internals/document-create-element');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !DESCRIPTORS && !fails(function () {\n  return Object.defineProperty(createElement('div'), 'a', {\n    get: function () { return 7; }\n  }).a != 7;\n});\n","var global = require('../internals/global');\nvar isObject = require('../internals/is-object');\n\nvar document = global.document;\n// typeof document.createElement is 'object' in old IE\nvar EXISTS = isObject(document) && isObject(document.createElement);\n\nmodule.exports = function (it) {\n  return EXISTS ? document.createElement(it) : {};\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = DESCRIPTORS ? function (object, key, value) {\n  return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\nvar anObject = require('../internals/an-object');\nvar toPrimitive = require('../internals/to-primitive');\n\nvar nativeDefineProperty = Object.defineProperty;\n\n// `Object.defineProperty` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperty\nexports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return nativeDefineProperty(O, P, Attributes);\n  } catch (error) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it)) {\n    throw TypeError(String(it) + ' is not an object');\n  } return it;\n};\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar setGlobal = require('../internals/set-global');\nvar inspectSource = require('../internals/inspect-source');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar getInternalState = InternalStateModule.get;\nvar enforceInternalState = InternalStateModule.enforce;\nvar TEMPLATE = String(String).split('String');\n\n(module.exports = function (O, key, value, options) {\n  var unsafe = options ? !!options.unsafe : false;\n  var simple = options ? !!options.enumerable : false;\n  var noTargetGet = options ? !!options.noTargetGet : false;\n  if (typeof value == 'function') {\n    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);\n    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');\n  }\n  if (O === global) {\n    if (simple) O[key] = value;\n    else setGlobal(key, value);\n    return;\n  } else if (!unsafe) {\n    delete O[key];\n  } else if (!noTargetGet && O[key]) {\n    simple = true;\n  }\n  if (simple) O[key] = value;\n  else createNonEnumerableProperty(O, key, value);\n// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative\n})(Function.prototype, 'toString', function toString() {\n  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);\n});\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\n\nmodule.exports = function (key, value) {\n  try {\n    createNonEnumerableProperty(global, key, value);\n  } catch (error) {\n    global[key] = value;\n  } return value;\n};\n","var store = require('../internals/shared-store');\n\nvar functionToString = Function.toString;\n\n// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper\nif (typeof store.inspectSource != 'function') {\n  store.inspectSource = function (it) {\n    return functionToString.call(it);\n  };\n}\n\nmodule.exports = store.inspectSource;\n","var global = require('../internals/global');\nvar setGlobal = require('../internals/set-global');\n\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || setGlobal(SHARED, {});\n\nmodule.exports = store;\n","var NATIVE_WEAK_MAP = require('../internals/native-weak-map');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar objectHas = require('../internals/has');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\n\nvar WeakMap = global.WeakMap;\nvar set, get, has;\n\nvar enforce = function (it) {\n  return has(it) ? get(it) : set(it, {});\n};\n\nvar getterFor = function (TYPE) {\n  return function (it) {\n    var state;\n    if (!isObject(it) || (state = get(it)).type !== TYPE) {\n      throw TypeError('Incompatible receiver, ' + TYPE + ' required');\n    } return state;\n  };\n};\n\nif (NATIVE_WEAK_MAP) {\n  var store = new WeakMap();\n  var wmget = store.get;\n  var wmhas = store.has;\n  var wmset = store.set;\n  set = function (it, metadata) {\n    wmset.call(store, it, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return wmget.call(store, it) || {};\n  };\n  has = function (it) {\n    return wmhas.call(store, it);\n  };\n} else {\n  var STATE = sharedKey('state');\n  hiddenKeys[STATE] = true;\n  set = function (it, metadata) {\n    createNonEnumerableProperty(it, STATE, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return objectHas(it, STATE) ? it[STATE] : {};\n  };\n  has = function (it) {\n    return objectHas(it, STATE);\n  };\n}\n\nmodule.exports = {\n  set: set,\n  get: get,\n  has: has,\n  enforce: enforce,\n  getterFor: getterFor\n};\n","var global = require('../internals/global');\nvar inspectSource = require('../internals/inspect-source');\n\nvar WeakMap = global.WeakMap;\n\nmodule.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));\n","var shared = require('../internals/shared');\nvar uid = require('../internals/uid');\n\nvar keys = shared('keys');\n\nmodule.exports = function (key) {\n  return keys[key] || (keys[key] = uid(key));\n};\n","var IS_PURE = require('../internals/is-pure');\nvar store = require('../internals/shared-store');\n\n(module.exports = function (key, value) {\n  return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n  version: '3.6.5',\n  mode: IS_PURE ? 'pure' : 'global',\n  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'\n});\n","module.exports = false;\n","var id = 0;\nvar postfix = Math.random();\n\nmodule.exports = function (key) {\n  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);\n};\n","module.exports = {};\n","var has = require('../internals/has');\nvar ownKeys = require('../internals/own-keys');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\n\nmodule.exports = function (target, source) {\n  var keys = ownKeys(source);\n  var defineProperty = definePropertyModule.f;\n  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i];\n    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));\n  }\n};\n","var getBuiltIn = require('../internals/get-built-in');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar anObject = require('../internals/an-object');\n\n// all object keys, includes non-enumerable and symbols\nmodule.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {\n  var keys = getOwnPropertyNamesModule.f(anObject(it));\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;\n};\n","var path = require('../internals/path');\nvar global = require('../internals/global');\n\nvar aFunction = function (variable) {\n  return typeof variable == 'function' ? variable : undefined;\n};\n\nmodule.exports = function (namespace, method) {\n  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace])\n    : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];\n};\n","var global = require('../internals/global');\n\nmodule.exports = global;\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\nvar hiddenKeys = enumBugKeys.concat('length', 'prototype');\n\n// `Object.getOwnPropertyNames` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertynames\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n  return internalObjectKeys(O, hiddenKeys);\n};\n","var has = require('../internals/has');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar indexOf = require('../internals/array-includes').indexOf;\nvar hiddenKeys = require('../internals/hidden-keys');\n\nmodule.exports = function (object, names) {\n  var O = toIndexedObject(object);\n  var i = 0;\n  var result = [];\n  var key;\n  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while (names.length > i) if (has(O, key = names[i++])) {\n    ~indexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar toLength = require('../internals/to-length');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\n// `Array.prototype.{ indexOf, includes }` methods implementation\nvar createMethod = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIndexedObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) {\n      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.includes` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.includes\n  includes: createMethod(true),\n  // `Array.prototype.indexOf` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof\n  indexOf: createMethod(false)\n};\n","var toInteger = require('../internals/to-integer');\n\nvar min = Math.min;\n\n// `ToLength` abstract operation\n// https://tc39.github.io/ecma262/#sec-tolength\nmodule.exports = function (argument) {\n  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991\n};\n","var ceil = Math.ceil;\nvar floor = Math.floor;\n\n// `ToInteger` abstract operation\n// https://tc39.github.io/ecma262/#sec-tointeger\nmodule.exports = function (argument) {\n  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);\n};\n","var toInteger = require('../internals/to-integer');\n\nvar max = Math.max;\nvar min = Math.min;\n\n// Helper for a popular repeating case of the spec:\n// Let integer be ? ToInteger(index).\n// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).\nmodule.exports = function (index, length) {\n  var integer = toInteger(index);\n  return integer < 0 ? max(integer + length, 0) : min(integer, length);\n};\n","// IE8- don't enum bug keys\nmodule.exports = [\n  'constructor',\n  'hasOwnProperty',\n  'isPrototypeOf',\n  'propertyIsEnumerable',\n  'toLocaleString',\n  'toString',\n  'valueOf'\n];\n","exports.f = Object.getOwnPropertySymbols;\n","var fails = require('../internals/fails');\n\nvar replacement = /#|\\.prototype\\./;\n\nvar isForced = function (feature, detection) {\n  var value = data[normalize(feature)];\n  return value == POLYFILL ? true\n    : value == NATIVE ? false\n    : typeof detection == 'function' ? fails(detection)\n    : !!detection;\n};\n\nvar normalize = isForced.normalize = function (string) {\n  return String(string).replace(replacement, '.').toLowerCase();\n};\n\nvar data = isForced.data = {};\nvar NATIVE = isForced.NATIVE = 'N';\nvar POLYFILL = isForced.POLYFILL = 'P';\n\nmodule.exports = isForced;\n","require('../../modules/es.string.starts-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'startsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeStartsWith = ''.startsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.startsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.startswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  startsWith: function startsWith(searchString /* , position = 0 */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n    var search = String(searchString);\n    return nativeStartsWith\n      ? nativeStartsWith.call(that, search, index)\n      : that.slice(index, index + search.length) === search;\n  }\n});\n","var isRegExp = require('../internals/is-regexp');\n\nmodule.exports = function (it) {\n  if (isRegExp(it)) {\n    throw TypeError(\"The method doesn't accept regular expressions\");\n  } return it;\n};\n","var isObject = require('../internals/is-object');\nvar classof = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\n// `IsRegExp` abstract operation\n// https://tc39.github.io/ecma262/#sec-isregexp\nmodule.exports = function (it) {\n  var isRegExp;\n  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');\n};\n","var global = require('../internals/global');\nvar shared = require('../internals/shared');\nvar has = require('../internals/has');\nvar uid = require('../internals/uid');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\n\nvar WellKnownSymbolsStore = shared('wks');\nvar Symbol = global.Symbol;\nvar createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;\n\nmodule.exports = function (name) {\n  if (!has(WellKnownSymbolsStore, name)) {\n    if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];\n    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);\n  } return WellKnownSymbolsStore[name];\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !!Object.getOwnPropertySymbols && !fails(function () {\n  // Chrome 38 Symbol has incorrect toString conversion\n  // eslint-disable-next-line no-undef\n  return !String(Symbol());\n});\n","var NATIVE_SYMBOL = require('../internals/native-symbol');\n\nmodule.exports = NATIVE_SYMBOL\n  // eslint-disable-next-line no-undef\n  && !Symbol.sham\n  // eslint-disable-next-line no-undef\n  && typeof Symbol.iterator == 'symbol';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\nmodule.exports = function (METHOD_NAME) {\n  var regexp = /./;\n  try {\n    '/./'[METHOD_NAME](regexp);\n  } catch (e) {\n    try {\n      regexp[MATCH] = false;\n      return '/./'[METHOD_NAME](regexp);\n    } catch (f) { /* empty */ }\n  } return false;\n};\n","var global = require('../internals/global');\nvar bind = require('../internals/function-bind-context');\n\nvar call = Function.call;\n\nmodule.exports = function (CONSTRUCTOR, METHOD, length) {\n  return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);\n};\n","var aFunction = require('../internals/a-function');\n\n// optional / simple context binding\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 0: return function () {\n      return fn.call(that);\n    };\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n","module.exports = function (it) {\n  if (typeof it != 'function') {\n    throw TypeError(String(it) + ' is not a function');\n  } return it;\n};\n","require('../../modules/es.string.ends-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'endsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeEndsWith = ''.endsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.endsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.endswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  endsWith: function endsWith(searchString /* , endPosition = @length */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var endPosition = arguments.length > 1 ? arguments[1] : undefined;\n    var len = toLength(that.length);\n    var end = endPosition === undefined ? len : min(toLength(endPosition), len);\n    var search = String(searchString);\n    return nativeEndsWith\n      ? nativeEndsWith.call(that, search, end)\n      : that.slice(end - search.length, end) === search;\n  }\n});\n","require('../../modules/es.string.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\n\n// `String.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.includes\n$({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, {\n  includes: function includes(searchString /* , position = 0 */) {\n    return !!~String(requireObjectCoercible(this))\n      .indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.array.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('Array', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar $includes = require('../internals/array-includes').includes;\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\n\n// `Array.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.includes\n$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {\n  includes: function includes(el /* , fromIndex = 0 */) {\n    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('includes');\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar create = require('../internals/object-create');\nvar definePropertyModule = require('../internals/object-define-property');\n\nvar UNSCOPABLES = wellKnownSymbol('unscopables');\nvar ArrayPrototype = Array.prototype;\n\n// Array.prototype[@@unscopables]\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\nif (ArrayPrototype[UNSCOPABLES] == undefined) {\n  definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {\n    configurable: true,\n    value: create(null)\n  });\n}\n\n// add a key to Array.prototype[@@unscopables]\nmodule.exports = function (key) {\n  ArrayPrototype[UNSCOPABLES][key] = true;\n};\n","var anObject = require('../internals/an-object');\nvar defineProperties = require('../internals/object-define-properties');\nvar enumBugKeys = require('../internals/enum-bug-keys');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar html = require('../internals/html');\nvar documentCreateElement = require('../internals/document-create-element');\nvar sharedKey = require('../internals/shared-key');\n\nvar GT = '>';\nvar LT = '<';\nvar PROTOTYPE = 'prototype';\nvar SCRIPT = 'script';\nvar IE_PROTO = sharedKey('IE_PROTO');\n\nvar EmptyConstructor = function () { /* empty */ };\n\nvar scriptTag = function (content) {\n  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;\n};\n\n// Create object with fake `null` prototype: use ActiveX Object with cleared prototype\nvar NullProtoObjectViaActiveX = function (activeXDocument) {\n  activeXDocument.write(scriptTag(''));\n  activeXDocument.close();\n  var temp = activeXDocument.parentWindow.Object;\n  activeXDocument = null; // avoid memory leak\n  return temp;\n};\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar NullProtoObjectViaIFrame = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = documentCreateElement('iframe');\n  var JS = 'java' + SCRIPT + ':';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  html.appendChild(iframe);\n  // https://github.com/zloirock/core-js/issues/475\n  iframe.src = String(JS);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(scriptTag('document.F=Object'));\n  iframeDocument.close();\n  return iframeDocument.F;\n};\n\n// Check for document.domain and active x support\n// No need to use active x approach when document.domain is not set\n// see https://github.com/es-shims/es5-shim/issues/150\n// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346\n// avoid IE GC bug\nvar activeXDocument;\nvar NullProtoObject = function () {\n  try {\n    /* global ActiveXObject */\n    activeXDocument = document.domain && new ActiveXObject('htmlfile');\n  } catch (error) { /* ignore */ }\n  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();\n  var length = enumBugKeys.length;\n  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];\n  return NullProtoObject();\n};\n\nhiddenKeys[IE_PROTO] = true;\n\n// `Object.create` method\n// https://tc39.github.io/ecma262/#sec-object.create\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    EmptyConstructor[PROTOTYPE] = anObject(O);\n    result = new EmptyConstructor();\n    EmptyConstructor[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = NullProtoObject();\n  return Properties === undefined ? result : defineProperties(result, Properties);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar anObject = require('../internals/an-object');\nvar objectKeys = require('../internals/object-keys');\n\n// `Object.defineProperties` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperties\nmodule.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = objectKeys(Properties);\n  var length = keys.length;\n  var index = 0;\n  var key;\n  while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);\n  return O;\n};\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\n// `Object.keys` method\n// https://tc39.github.io/ecma262/#sec-object.keys\nmodule.exports = Object.keys || function keys(O) {\n  return internalObjectKeys(O, enumBugKeys);\n};\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('document', 'documentElement');\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\n\nvar defineProperty = Object.defineProperty;\nvar cache = {};\n\nvar thrower = function (it) { throw it; };\n\nmodule.exports = function (METHOD_NAME, options) {\n  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];\n  if (!options) options = {};\n  var method = [][METHOD_NAME];\n  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;\n  var argument0 = has(options, 0) ? options[0] : thrower;\n  var argument1 = has(options, 1) ? options[1] : undefined;\n\n  return cache[METHOD_NAME] = !!method && !fails(function () {\n    if (ACCESSORS && !DESCRIPTORS) return true;\n    var O = { length: -1 };\n\n    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });\n    else O[1] = 1;\n\n    method.call(O, argument0, argument1);\n  });\n};\n","require('../../modules/es.string.iterator');\nrequire('../../modules/es.array.from');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Array.from;\n","'use strict';\nvar charAt = require('../internals/string-multibyte').charAt;\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar STRING_ITERATOR = 'String Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);\n\n// `String.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator\ndefineIterator(String, 'String', function (iterated) {\n  setInternalState(this, {\n    type: STRING_ITERATOR,\n    string: String(iterated),\n    index: 0\n  });\n// `%StringIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next\n}, function next() {\n  var state = getInternalState(this);\n  var string = state.string;\n  var index = state.index;\n  var point;\n  if (index >= string.length) return { value: undefined, done: true };\n  point = charAt(string, index);\n  state.index += point.length;\n  return { value: point, done: false };\n});\n","var toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.{ codePointAt, at }` methods implementation\nvar createMethod = function (CONVERT_TO_STRING) {\n  return function ($this, pos) {\n    var S = String(requireObjectCoercible($this));\n    var position = toInteger(pos);\n    var size = S.length;\n    var first, second;\n    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;\n    first = S.charCodeAt(position);\n    return first < 0xD800 || first > 0xDBFF || position + 1 === size\n      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF\n        ? CONVERT_TO_STRING ? S.charAt(position) : first\n        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.codePointAt` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n  codeAt: createMethod(false),\n  // `String.prototype.at` method\n  // https://github.com/mathiasbynens/String.prototype.at\n  charAt: createMethod(true)\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\nvar Iterators = require('../internals/iterators');\nvar IteratorsCore = require('../internals/iterators-core');\n\nvar IteratorPrototype = IteratorsCore.IteratorPrototype;\nvar BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;\nvar ITERATOR = wellKnownSymbol('iterator');\nvar KEYS = 'keys';\nvar VALUES = 'values';\nvar ENTRIES = 'entries';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {\n  createIteratorConstructor(IteratorConstructor, NAME, next);\n\n  var getIterationMethod = function (KIND) {\n    if (KIND === DEFAULT && defaultIterator) return defaultIterator;\n    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];\n    switch (KIND) {\n      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };\n      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };\n      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };\n    } return function () { return new IteratorConstructor(this); };\n  };\n\n  var TO_STRING_TAG = NAME + ' Iterator';\n  var INCORRECT_VALUES_NAME = false;\n  var IterablePrototype = Iterable.prototype;\n  var nativeIterator = IterablePrototype[ITERATOR]\n    || IterablePrototype['@@iterator']\n    || DEFAULT && IterablePrototype[DEFAULT];\n  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);\n  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;\n  var CurrentIteratorPrototype, methods, KEY;\n\n  // fix native\n  if (anyNativeIterator) {\n    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));\n    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {\n      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {\n        if (setPrototypeOf) {\n          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);\n        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {\n          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);\n        }\n      }\n      // Set @@toStringTag to native iterators\n      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);\n      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;\n    }\n  }\n\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {\n    INCORRECT_VALUES_NAME = true;\n    defaultIterator = function values() { return nativeIterator.call(this); };\n  }\n\n  // define iterator\n  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {\n    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);\n  }\n  Iterators[NAME] = defaultIterator;\n\n  // export additional methods\n  if (DEFAULT) {\n    methods = {\n      values: getIterationMethod(VALUES),\n      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),\n      entries: getIterationMethod(ENTRIES)\n    };\n    if (FORCED) for (KEY in methods) {\n      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {\n        redefine(IterablePrototype, KEY, methods[KEY]);\n      }\n    } else $({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);\n  }\n\n  return methods;\n};\n","'use strict';\nvar IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar Iterators = require('../internals/iterators');\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (IteratorConstructor, NAME, next) {\n  var TO_STRING_TAG = NAME + ' Iterator';\n  IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });\n  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);\n  Iterators[TO_STRING_TAG] = returnThis;\n  return IteratorConstructor;\n};\n","'use strict';\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar BUGGY_SAFARI_ITERATORS = false;\n\nvar returnThis = function () { return this; };\n\n// `%IteratorPrototype%` object\n// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object\nvar IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;\n\nif ([].keys) {\n  arrayIterator = [].keys();\n  // Safari 8 has buggy iterators w/o `next`\n  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;\n  else {\n    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));\n    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;\n  }\n}\n\nif (IteratorPrototype == undefined) IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nif (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {\n  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);\n}\n\nmodule.exports = {\n  IteratorPrototype: IteratorPrototype,\n  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS\n};\n","var has = require('../internals/has');\nvar toObject = require('../internals/to-object');\nvar sharedKey = require('../internals/shared-key');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar IE_PROTO = sharedKey('IE_PROTO');\nvar ObjectPrototype = Object.prototype;\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\nmodule.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectPrototype : null;\n};\n","var requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `ToObject` abstract operation\n// https://tc39.github.io/ecma262/#sec-toobject\nmodule.exports = function (argument) {\n  return Object(requireObjectCoercible(argument));\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  function F() { /* empty */ }\n  F.prototype.constructor = null;\n  return Object.getPrototypeOf(new F()) !== F.prototype;\n});\n","var defineProperty = require('../internals/object-define-property').f;\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n\nmodule.exports = function (it, TAG, STATIC) {\n  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {\n    defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });\n  }\n};\n","module.exports = {};\n","var anObject = require('../internals/an-object');\nvar aPossiblePrototype = require('../internals/a-possible-prototype');\n\n// `Object.setPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.setprototypeof\n// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nmodule.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {\n  var CORRECT_SETTER = false;\n  var test = {};\n  var setter;\n  try {\n    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;\n    setter.call(test, []);\n    CORRECT_SETTER = test instanceof Array;\n  } catch (error) { /* empty */ }\n  return function setPrototypeOf(O, proto) {\n    anObject(O);\n    aPossiblePrototype(proto);\n    if (CORRECT_SETTER) setter.call(O, proto);\n    else O.__proto__ = proto;\n    return O;\n  };\n}() : undefined);\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it) && it !== null) {\n    throw TypeError(\"Can't set \" + String(it) + ' as a prototype');\n  } return it;\n};\n","var $ = require('../internals/export');\nvar from = require('../internals/array-from');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\n\nvar INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {\n  Array.from(iterable);\n});\n\n// `Array.from` method\n// https://tc39.github.io/ecma262/#sec-array.from\n$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {\n  from: from\n});\n","'use strict';\nvar bind = require('../internals/function-bind-context');\nvar toObject = require('../internals/to-object');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar getIteratorMethod = require('../internals/get-iterator-method');\n\n// `Array.from` method implementation\n// https://tc39.github.io/ecma262/#sec-array.from\nmodule.exports = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {\n  var O = toObject(arrayLike);\n  var C = typeof this == 'function' ? this : Array;\n  var argumentsLength = arguments.length;\n  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;\n  var mapping = mapfn !== undefined;\n  var iteratorMethod = getIteratorMethod(O);\n  var index = 0;\n  var length, result, step, iterator, next, value;\n  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);\n  // if the target is not iterable or it's an array with the default iterator - use a simple case\n  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {\n    iterator = iteratorMethod.call(O);\n    next = iterator.next;\n    result = new C();\n    for (;!(step = next.call(iterator)).done; index++) {\n      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;\n      createProperty(result, index, value);\n    }\n  } else {\n    length = toLength(O.length);\n    result = new C(length);\n    for (;length > index; index++) {\n      value = mapping ? mapfn(O[index], index) : O[index];\n      createProperty(result, index, value);\n    }\n  }\n  result.length = index;\n  return result;\n};\n","var anObject = require('../internals/an-object');\n\n// call something on iterator step with safe closing on error\nmodule.exports = function (iterator, fn, value, ENTRIES) {\n  try {\n    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);\n  // 7.4.6 IteratorClose(iterator, completion)\n  } catch (error) {\n    var returnMethod = iterator['return'];\n    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));\n    throw error;\n  }\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar Iterators = require('../internals/iterators');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar ArrayPrototype = Array.prototype;\n\n// check on default Array iterator\nmodule.exports = function (it) {\n  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);\n};\n","'use strict';\nvar toPrimitive = require('../internals/to-primitive');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = function (object, key, value) {\n  var propertyKey = toPrimitive(key);\n  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));\n  else object[propertyKey] = value;\n};\n","var classof = require('../internals/classof');\nvar Iterators = require('../internals/iterators');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\n\nmodule.exports = function (it) {\n  if (it != undefined) return it[ITERATOR]\n    || it['@@iterator']\n    || Iterators[classof(it)];\n};\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classofRaw = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n// ES3 wrong here\nvar CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n  try {\n    return it[key];\n  } catch (error) { /* empty */ }\n};\n\n// getting tag from ES6+ `Object.prototype.toString`\nmodule.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {\n  var O, tag, result;\n  return it === undefined ? 'Undefined' : it === null ? 'Null'\n    // @@toStringTag case\n    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag\n    // builtinTag case\n    : CORRECT_ARGUMENTS ? classofRaw(O)\n    // ES3 arguments fallback\n    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar test = {};\n\ntest[TO_STRING_TAG] = 'z';\n\nmodule.exports = String(test) === '[object z]';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar SAFE_CLOSING = false;\n\ntry {\n  var called = 0;\n  var iteratorWithReturn = {\n    next: function () {\n      return { done: !!called++ };\n    },\n    'return': function () {\n      SAFE_CLOSING = true;\n    }\n  };\n  iteratorWithReturn[ITERATOR] = function () {\n    return this;\n  };\n  // eslint-disable-next-line no-throw-literal\n  Array.from(iteratorWithReturn, function () { throw 2; });\n} catch (error) { /* empty */ }\n\nmodule.exports = function (exec, SKIP_CLOSING) {\n  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;\n  var ITERATION_SUPPORT = false;\n  try {\n    var object = {};\n    object[ITERATOR] = function () {\n      return {\n        next: function () {\n          return { done: ITERATION_SUPPORT = true };\n        }\n      };\n    };\n    exec(object);\n  } catch (error) { /* empty */ }\n  return ITERATION_SUPPORT;\n};\n","require('../../modules/es.object.assign');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.assign;\n","var $ = require('../internals/export');\nvar assign = require('../internals/object-assign');\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\n$({ target: 'Object', stat: true, forced: Object.assign !== assign }, {\n  assign: assign\n});\n","'use strict';\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar toObject = require('../internals/to-object');\nvar IndexedObject = require('../internals/indexed-object');\n\nvar nativeAssign = Object.assign;\nvar defineProperty = Object.defineProperty;\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\nmodule.exports = !nativeAssign || fails(function () {\n  // should have correct order of operations (Edge bug)\n  if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {\n    enumerable: true,\n    get: function () {\n      defineProperty(this, 'b', {\n        value: 3,\n        enumerable: false\n      });\n    }\n  }), { b: 2 })).b !== 1) return true;\n  // should work with symbols and should have deterministic property order (V8 bug)\n  var A = {};\n  var B = {};\n  // eslint-disable-next-line no-undef\n  var symbol = Symbol();\n  var alphabet = 'abcdefghijklmnopqrst';\n  A[symbol] = 7;\n  alphabet.split('').forEach(function (chr) { B[chr] = chr; });\n  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;\n}) ? function assign(target, source) { // eslint-disable-line no-unused-vars\n  var T = toObject(target);\n  var argumentsLength = arguments.length;\n  var index = 1;\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  var propertyIsEnumerable = propertyIsEnumerableModule.f;\n  while (argumentsLength > index) {\n    var S = IndexedObject(arguments[index++]);\n    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);\n    var length = keys.length;\n    var j = 0;\n    var key;\n    while (length > j) {\n      key = keys[j++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(S, key)) T[key] = S[key];\n    }\n  } return T;\n} : nativeAssign;\n","require('../../modules/es.array.iterator');\nrequire('../../modules/es.object.from-entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.fromEntries;\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar Iterators = require('../internals/iterators');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar ARRAY_ITERATOR = 'Array Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);\n\n// `Array.prototype.entries` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.entries\n// `Array.prototype.keys` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.keys\n// `Array.prototype.values` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.values\n// `Array.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator\n// `CreateArrayIterator` internal method\n// https://tc39.github.io/ecma262/#sec-createarrayiterator\nmodule.exports = defineIterator(Array, 'Array', function (iterated, kind) {\n  setInternalState(this, {\n    type: ARRAY_ITERATOR,\n    target: toIndexedObject(iterated), // target\n    index: 0,                          // next index\n    kind: kind                         // kind\n  });\n// `%ArrayIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next\n}, function () {\n  var state = getInternalState(this);\n  var target = state.target;\n  var kind = state.kind;\n  var index = state.index++;\n  if (!target || index >= target.length) {\n    state.target = undefined;\n    return { value: undefined, done: true };\n  }\n  if (kind == 'keys') return { value: index, done: false };\n  if (kind == 'values') return { value: target[index], done: false };\n  return { value: [index, target[index]], done: false };\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values%\n// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject\n// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject\nIterators.Arguments = Iterators.Array;\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","var $ = require('../internals/export');\nvar iterate = require('../internals/iterate');\nvar createProperty = require('../internals/create-property');\n\n// `Object.fromEntries` method\n// https://github.com/tc39/proposal-object-from-entries\n$({ target: 'Object', stat: true }, {\n  fromEntries: function fromEntries(iterable) {\n    var obj = {};\n    iterate(iterable, function (k, v) {\n      createProperty(obj, k, v);\n    }, undefined, true);\n    return obj;\n  }\n});\n","var anObject = require('../internals/an-object');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar bind = require('../internals/function-bind-context');\nvar getIteratorMethod = require('../internals/get-iterator-method');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\n\nvar Result = function (stopped, result) {\n  this.stopped = stopped;\n  this.result = result;\n};\n\nvar iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {\n  var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);\n  var iterator, iterFn, index, length, result, next, step;\n\n  if (IS_ITERATOR) {\n    iterator = iterable;\n  } else {\n    iterFn = getIteratorMethod(iterable);\n    if (typeof iterFn != 'function') throw TypeError('Target is not iterable');\n    // optimisation for array iterators\n    if (isArrayIteratorMethod(iterFn)) {\n      for (index = 0, length = toLength(iterable.length); length > index; index++) {\n        result = AS_ENTRIES\n          ? boundFunction(anObject(step = iterable[index])[0], step[1])\n          : boundFunction(iterable[index]);\n        if (result && result instanceof Result) return result;\n      } return new Result(false);\n    }\n    iterator = iterFn.call(iterable);\n  }\n\n  next = iterator.next;\n  while (!(step = next.call(iterator)).done) {\n    result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);\n    if (typeof result == 'object' && result && result instanceof Result) return result;\n  } return new Result(false);\n};\n\niterate.stop = function (result) {\n  return new Result(true, result);\n};\n","require('../../modules/es.math.log2');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Math.log2;\n","var $ = require('../internals/export');\n\nvar log = Math.log;\nvar LN2 = Math.LN2;\n\n// `Math.log2` method\n// https://tc39.github.io/ecma262/#sec-math.log2\n$({ target: 'Math', stat: true }, {\n  log2: function log2(x) {\n    return log(x) / LN2;\n  }\n});\n","require('../../modules/es.number.is-nan');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isNaN;\n","var $ = require('../internals/export');\n\n// `Number.isNaN` method\n// https://tc39.github.io/ecma262/#sec-number.isnan\n$({ target: 'Number', stat: true }, {\n  isNaN: function isNaN(number) {\n    // eslint-disable-next-line no-self-compare\n    return number != number;\n  }\n});\n","require('../../modules/es.number.is-integer');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isInteger;\n","var $ = require('../internals/export');\nvar isInteger = require('../internals/is-integer');\n\n// `Number.isInteger` method\n// https://tc39.github.io/ecma262/#sec-number.isinteger\n$({ target: 'Number', stat: true }, {\n  isInteger: isInteger\n});\n","var isObject = require('../internals/is-object');\n\nvar floor = Math.floor;\n\n// `Number.isInteger` method implementation\n// https://tc39.github.io/ecma262/#sec-number.isinteger\nmodule.exports = function isInteger(it) {\n  return !isObject(it) && isFinite(it) && floor(it) === it;\n};\n","require('../../modules/es.typed-array.slice');\n","'use strict';\nvar ArrayBufferViewCore = require('../internals/array-buffer-view-core');\nvar speciesConstructor = require('../internals/species-constructor');\nvar fails = require('../internals/fails');\n\nvar aTypedArray = ArrayBufferViewCore.aTypedArray;\nvar aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;\nvar exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;\nvar $slice = [].slice;\n\nvar FORCED = fails(function () {\n  // eslint-disable-next-line no-undef\n  new Int8Array(1).slice();\n});\n\n// `%TypedArray%.prototype.slice` method\n// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice\nexportTypedArrayMethod('slice', function slice(start, end) {\n  var list = $slice.call(aTypedArray(this), start, end);\n  var C = speciesConstructor(this, this.constructor);\n  var index = 0;\n  var length = list.length;\n  var result = new (aTypedArrayConstructor(C))(length);\n  while (length > index) result[index] = list[index++];\n  return result;\n}, FORCED);\n","'use strict';\nvar NATIVE_ARRAY_BUFFER = require('../internals/array-buffer-native');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar classof = require('../internals/classof');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar defineProperty = require('../internals/object-define-property').f;\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar uid = require('../internals/uid');\n\nvar Int8Array = global.Int8Array;\nvar Int8ArrayPrototype = Int8Array && Int8Array.prototype;\nvar Uint8ClampedArray = global.Uint8ClampedArray;\nvar Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;\nvar TypedArray = Int8Array && getPrototypeOf(Int8Array);\nvar TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);\nvar ObjectPrototype = Object.prototype;\nvar isPrototypeOf = ObjectPrototype.isPrototypeOf;\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');\n// Fixing native typed arrays in Opera Presto crashes the browser, see #595\nvar NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';\nvar TYPED_ARRAY_TAG_REQIRED = false;\nvar NAME;\n\nvar TypedArrayConstructorsList = {\n  Int8Array: 1,\n  Uint8Array: 1,\n  Uint8ClampedArray: 1,\n  Int16Array: 2,\n  Uint16Array: 2,\n  Int32Array: 4,\n  Uint32Array: 4,\n  Float32Array: 4,\n  Float64Array: 8\n};\n\nvar isView = function isView(it) {\n  var klass = classof(it);\n  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);\n};\n\nvar isTypedArray = function (it) {\n  return isObject(it) && has(TypedArrayConstructorsList, classof(it));\n};\n\nvar aTypedArray = function (it) {\n  if (isTypedArray(it)) return it;\n  throw TypeError('Target is not a typed array');\n};\n\nvar aTypedArrayConstructor = function (C) {\n  if (setPrototypeOf) {\n    if (isPrototypeOf.call(TypedArray, C)) return C;\n  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME)) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {\n      return C;\n    }\n  } throw TypeError('Target is not a typed array constructor');\n};\n\nvar exportTypedArrayMethod = function (KEY, property, forced) {\n  if (!DESCRIPTORS) return;\n  if (forced) for (var ARRAY in TypedArrayConstructorsList) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {\n      delete TypedArrayConstructor.prototype[KEY];\n    }\n  }\n  if (!TypedArrayPrototype[KEY] || forced) {\n    redefine(TypedArrayPrototype, KEY, forced ? property\n      : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);\n  }\n};\n\nvar exportTypedArrayStaticMethod = function (KEY, property, forced) {\n  var ARRAY, TypedArrayConstructor;\n  if (!DESCRIPTORS) return;\n  if (setPrototypeOf) {\n    if (forced) for (ARRAY in TypedArrayConstructorsList) {\n      TypedArrayConstructor = global[ARRAY];\n      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {\n        delete TypedArrayConstructor[KEY];\n      }\n    }\n    if (!TypedArray[KEY] || forced) {\n      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable\n      try {\n        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);\n      } catch (error) { /* empty */ }\n    } else return;\n  }\n  for (ARRAY in TypedArrayConstructorsList) {\n    TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {\n      redefine(TypedArrayConstructor, KEY, property);\n    }\n  }\n};\n\nfor (NAME in TypedArrayConstructorsList) {\n  if (!global[NAME]) NATIVE_ARRAY_BUFFER_VIEWS = false;\n}\n\n// WebKit bug - typed arrays constructors prototype is Object.prototype\nif (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {\n  // eslint-disable-next-line no-shadow\n  TypedArray = function TypedArray() {\n    throw TypeError('Incorrect invocation');\n  };\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME], TypedArray);\n  }\n}\n\nif (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {\n  TypedArrayPrototype = TypedArray.prototype;\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);\n  }\n}\n\n// WebKit bug - one more object in Uint8ClampedArray prototype chain\nif (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {\n  setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);\n}\n\nif (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {\n  TYPED_ARRAY_TAG_REQIRED = true;\n  defineProperty(TypedArrayPrototype, TO_STRING_TAG, { get: function () {\n    return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;\n  } });\n  for (NAME in TypedArrayConstructorsList) if (global[NAME]) {\n    createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);\n  }\n}\n\nmodule.exports = {\n  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,\n  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,\n  aTypedArray: aTypedArray,\n  aTypedArrayConstructor: aTypedArrayConstructor,\n  exportTypedArrayMethod: exportTypedArrayMethod,\n  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,\n  isView: isView,\n  isTypedArray: isTypedArray,\n  TypedArray: TypedArray,\n  TypedArrayPrototype: TypedArrayPrototype\n};\n","module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';\n","var anObject = require('../internals/an-object');\nvar aFunction = require('../internals/a-function');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `SpeciesConstructor` abstract operation\n// https://tc39.github.io/ecma262/#sec-speciesconstructor\nmodule.exports = function (O, defaultConstructor) {\n  var C = anObject(O).constructor;\n  var S;\n  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);\n};\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nrequire('../../modules/es.promise');\nrequire('../../modules/es.promise.all-settled');\nrequire('../../modules/es.promise.finally');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Promise;\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar redefine = require('../internals/redefine');\nvar toString = require('../internals/object-to-string');\n\n// `Object.prototype.toString` method\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nif (!TO_STRING_TAG_SUPPORT) {\n  redefine(Object.prototype, 'toString', toString, { unsafe: true });\n}\n","'use strict';\nvar TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classof = require('../internals/classof');\n\n// `Object.prototype.toString` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nmodule.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {\n  return '[object ' + classof(this) + ']';\n};\n","var global = require('../internals/global');\nvar DOMIterables = require('../internals/dom-iterables');\nvar ArrayIteratorMethods = require('../modules/es.array.iterator');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar ArrayValues = ArrayIteratorMethods.values;\n\nfor (var COLLECTION_NAME in DOMIterables) {\n  var Collection = global[COLLECTION_NAME];\n  var CollectionPrototype = Collection && Collection.prototype;\n  if (CollectionPrototype) {\n    // some Chrome versions have non-configurable methods on DOMTokenList\n    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {\n      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);\n    } catch (error) {\n      CollectionPrototype[ITERATOR] = ArrayValues;\n    }\n    if (!CollectionPrototype[TO_STRING_TAG]) {\n      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);\n    }\n    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {\n      // some Chrome versions have non-configurable methods on DOMTokenList\n      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {\n        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);\n      } catch (error) {\n        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];\n      }\n    }\n  }\n}\n","// iterable DOM collections\n// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods\nmodule.exports = {\n  CSSRuleList: 0,\n  CSSStyleDeclaration: 0,\n  CSSValueList: 0,\n  ClientRectList: 0,\n  DOMRectList: 0,\n  DOMStringList: 0,\n  DOMTokenList: 1,\n  DataTransferItemList: 0,\n  FileList: 0,\n  HTMLAllCollection: 0,\n  HTMLCollection: 0,\n  HTMLFormElement: 0,\n  HTMLSelectElement: 0,\n  MediaList: 0,\n  MimeTypeArray: 0,\n  NamedNodeMap: 0,\n  NodeList: 1,\n  PaintRequestList: 0,\n  Plugin: 0,\n  PluginArray: 0,\n  SVGLengthList: 0,\n  SVGNumberList: 0,\n  SVGPathSegList: 0,\n  SVGPointList: 0,\n  SVGStringList: 0,\n  SVGTransformList: 0,\n  SourceBufferList: 0,\n  StyleSheetList: 0,\n  TextTrackCueList: 0,\n  TextTrackList: 0,\n  TouchList: 0\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar IS_PURE = require('../internals/is-pure');\nvar global = require('../internals/global');\nvar getBuiltIn = require('../internals/get-built-in');\nvar NativePromise = require('../internals/native-promise-constructor');\nvar redefine = require('../internals/redefine');\nvar redefineAll = require('../internals/redefine-all');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar setSpecies = require('../internals/set-species');\nvar isObject = require('../internals/is-object');\nvar aFunction = require('../internals/a-function');\nvar anInstance = require('../internals/an-instance');\nvar classof = require('../internals/classof-raw');\nvar inspectSource = require('../internals/inspect-source');\nvar iterate = require('../internals/iterate');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar speciesConstructor = require('../internals/species-constructor');\nvar task = require('../internals/task').set;\nvar microtask = require('../internals/microtask');\nvar promiseResolve = require('../internals/promise-resolve');\nvar hostReportErrors = require('../internals/host-report-errors');\nvar newPromiseCapabilityModule = require('../internals/new-promise-capability');\nvar perform = require('../internals/perform');\nvar InternalStateModule = require('../internals/internal-state');\nvar isForced = require('../internals/is-forced');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\nvar PROMISE = 'Promise';\nvar getInternalState = InternalStateModule.get;\nvar setInternalState = InternalStateModule.set;\nvar getInternalPromiseState = InternalStateModule.getterFor(PROMISE);\nvar PromiseConstructor = NativePromise;\nvar TypeError = global.TypeError;\nvar document = global.document;\nvar process = global.process;\nvar $fetch = getBuiltIn('fetch');\nvar newPromiseCapability = newPromiseCapabilityModule.f;\nvar newGenericPromiseCapability = newPromiseCapability;\nvar IS_NODE = classof(process) == 'process';\nvar DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);\nvar UNHANDLED_REJECTION = 'unhandledrejection';\nvar REJECTION_HANDLED = 'rejectionhandled';\nvar PENDING = 0;\nvar FULFILLED = 1;\nvar REJECTED = 2;\nvar HANDLED = 1;\nvar UNHANDLED = 2;\nvar Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;\n\nvar FORCED = isForced(PROMISE, function () {\n  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);\n  if (!GLOBAL_CORE_JS_PROMISE) {\n    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables\n    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565\n    // We can't detect it synchronously, so just check versions\n    if (V8_VERSION === 66) return true;\n    // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test\n    if (!IS_NODE && typeof PromiseRejectionEvent != 'function') return true;\n  }\n  // We need Promise#finally in the pure version for preventing prototype pollution\n  if (IS_PURE && !PromiseConstructor.prototype['finally']) return true;\n  // We can't use @@species feature detection in V8 since it causes\n  // deoptimization and performance degradation\n  // https://github.com/zloirock/core-js/issues/679\n  if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor)) return false;\n  // Detect correctness of subclassing with @@species support\n  var promise = PromiseConstructor.resolve(1);\n  var FakePromise = function (exec) {\n    exec(function () { /* empty */ }, function () { /* empty */ });\n  };\n  var constructor = promise.constructor = {};\n  constructor[SPECIES] = FakePromise;\n  return !(promise.then(function () { /* empty */ }) instanceof FakePromise);\n});\n\nvar INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {\n  PromiseConstructor.all(iterable)['catch'](function () { /* empty */ });\n});\n\n// helpers\nvar isThenable = function (it) {\n  var then;\n  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;\n};\n\nvar notify = function (promise, state, isReject) {\n  if (state.notified) return;\n  state.notified = true;\n  var chain = state.reactions;\n  microtask(function () {\n    var value = state.value;\n    var ok = state.state == FULFILLED;\n    var index = 0;\n    // variable length - can't use forEach\n    while (chain.length > index) {\n      var reaction = chain[index++];\n      var handler = ok ? reaction.ok : reaction.fail;\n      var resolve = reaction.resolve;\n      var reject = reaction.reject;\n      var domain = reaction.domain;\n      var result, then, exited;\n      try {\n        if (handler) {\n          if (!ok) {\n            if (state.rejection === UNHANDLED) onHandleUnhandled(promise, state);\n            state.rejection = HANDLED;\n          }\n          if (handler === true) result = value;\n          else {\n            if (domain) domain.enter();\n            result = handler(value); // can throw\n            if (domain) {\n              domain.exit();\n              exited = true;\n            }\n          }\n          if (result === reaction.promise) {\n            reject(TypeError('Promise-chain cycle'));\n          } else if (then = isThenable(result)) {\n            then.call(result, resolve, reject);\n          } else resolve(result);\n        } else reject(value);\n      } catch (error) {\n        if (domain && !exited) domain.exit();\n        reject(error);\n      }\n    }\n    state.reactions = [];\n    state.notified = false;\n    if (isReject && !state.rejection) onUnhandled(promise, state);\n  });\n};\n\nvar dispatchEvent = function (name, promise, reason) {\n  var event, handler;\n  if (DISPATCH_EVENT) {\n    event = document.createEvent('Event');\n    event.promise = promise;\n    event.reason = reason;\n    event.initEvent(name, false, true);\n    global.dispatchEvent(event);\n  } else event = { promise: promise, reason: reason };\n  if (handler = global['on' + name]) handler(event);\n  else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);\n};\n\nvar onUnhandled = function (promise, state) {\n  task.call(global, function () {\n    var value = state.value;\n    var IS_UNHANDLED = isUnhandled(state);\n    var result;\n    if (IS_UNHANDLED) {\n      result = perform(function () {\n        if (IS_NODE) {\n          process.emit('unhandledRejection', value, promise);\n        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);\n      });\n      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should\n      state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;\n      if (result.error) throw result.value;\n    }\n  });\n};\n\nvar isUnhandled = function (state) {\n  return state.rejection !== HANDLED && !state.parent;\n};\n\nvar onHandleUnhandled = function (promise, state) {\n  task.call(global, function () {\n    if (IS_NODE) {\n      process.emit('rejectionHandled', promise);\n    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);\n  });\n};\n\nvar bind = function (fn, promise, state, unwrap) {\n  return function (value) {\n    fn(promise, state, value, unwrap);\n  };\n};\n\nvar internalReject = function (promise, state, value, unwrap) {\n  if (state.done) return;\n  state.done = true;\n  if (unwrap) state = unwrap;\n  state.value = value;\n  state.state = REJECTED;\n  notify(promise, state, true);\n};\n\nvar internalResolve = function (promise, state, value, unwrap) {\n  if (state.done) return;\n  state.done = true;\n  if (unwrap) state = unwrap;\n  try {\n    if (promise === value) throw TypeError(\"Promise can't be resolved itself\");\n    var then = isThenable(value);\n    if (then) {\n      microtask(function () {\n        var wrapper = { done: false };\n        try {\n          then.call(value,\n            bind(internalResolve, promise, wrapper, state),\n            bind(internalReject, promise, wrapper, state)\n          );\n        } catch (error) {\n          internalReject(promise, wrapper, error, state);\n        }\n      });\n    } else {\n      state.value = value;\n      state.state = FULFILLED;\n      notify(promise, state, false);\n    }\n  } catch (error) {\n    internalReject(promise, { done: false }, error, state);\n  }\n};\n\n// constructor polyfill\nif (FORCED) {\n  // 25.4.3.1 Promise(executor)\n  PromiseConstructor = function Promise(executor) {\n    anInstance(this, PromiseConstructor, PROMISE);\n    aFunction(executor);\n    Internal.call(this);\n    var state = getInternalState(this);\n    try {\n      executor(bind(internalResolve, this, state), bind(internalReject, this, state));\n    } catch (error) {\n      internalReject(this, state, error);\n    }\n  };\n  // eslint-disable-next-line no-unused-vars\n  Internal = function Promise(executor) {\n    setInternalState(this, {\n      type: PROMISE,\n      done: false,\n      notified: false,\n      parent: false,\n      reactions: [],\n      rejection: false,\n      state: PENDING,\n      value: undefined\n    });\n  };\n  Internal.prototype = redefineAll(PromiseConstructor.prototype, {\n    // `Promise.prototype.then` method\n    // https://tc39.github.io/ecma262/#sec-promise.prototype.then\n    then: function then(onFulfilled, onRejected) {\n      var state = getInternalPromiseState(this);\n      var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));\n      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;\n      reaction.fail = typeof onRejected == 'function' && onRejected;\n      reaction.domain = IS_NODE ? process.domain : undefined;\n      state.parent = true;\n      state.reactions.push(reaction);\n      if (state.state != PENDING) notify(this, state, false);\n      return reaction.promise;\n    },\n    // `Promise.prototype.catch` method\n    // https://tc39.github.io/ecma262/#sec-promise.prototype.catch\n    'catch': function (onRejected) {\n      return this.then(undefined, onRejected);\n    }\n  });\n  OwnPromiseCapability = function () {\n    var promise = new Internal();\n    var state = getInternalState(promise);\n    this.promise = promise;\n    this.resolve = bind(internalResolve, promise, state);\n    this.reject = bind(internalReject, promise, state);\n  };\n  newPromiseCapabilityModule.f = newPromiseCapability = function (C) {\n    return C === PromiseConstructor || C === PromiseWrapper\n      ? new OwnPromiseCapability(C)\n      : newGenericPromiseCapability(C);\n  };\n\n  if (!IS_PURE && typeof NativePromise == 'function') {\n    nativeThen = NativePromise.prototype.then;\n\n    // wrap native Promise#then for native async functions\n    redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {\n      var that = this;\n      return new PromiseConstructor(function (resolve, reject) {\n        nativeThen.call(that, resolve, reject);\n      }).then(onFulfilled, onRejected);\n    // https://github.com/zloirock/core-js/issues/640\n    }, { unsafe: true });\n\n    // wrap fetch result\n    if (typeof $fetch == 'function') $({ global: true, enumerable: true, forced: true }, {\n      // eslint-disable-next-line no-unused-vars\n      fetch: function fetch(input /* , init */) {\n        return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));\n      }\n    });\n  }\n}\n\n$({ global: true, wrap: true, forced: FORCED }, {\n  Promise: PromiseConstructor\n});\n\nsetToStringTag(PromiseConstructor, PROMISE, false, true);\nsetSpecies(PROMISE);\n\nPromiseWrapper = getBuiltIn(PROMISE);\n\n// statics\n$({ target: PROMISE, stat: true, forced: FORCED }, {\n  // `Promise.reject` method\n  // https://tc39.github.io/ecma262/#sec-promise.reject\n  reject: function reject(r) {\n    var capability = newPromiseCapability(this);\n    capability.reject.call(undefined, r);\n    return capability.promise;\n  }\n});\n\n$({ target: PROMISE, stat: true, forced: IS_PURE || FORCED }, {\n  // `Promise.resolve` method\n  // https://tc39.github.io/ecma262/#sec-promise.resolve\n  resolve: function resolve(x) {\n    return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);\n  }\n});\n\n$({ target: PROMISE, stat: true, forced: INCORRECT_ITERATION }, {\n  // `Promise.all` method\n  // https://tc39.github.io/ecma262/#sec-promise.all\n  all: function all(iterable) {\n    var C = this;\n    var capability = newPromiseCapability(C);\n    var resolve = capability.resolve;\n    var reject = capability.reject;\n    var result = perform(function () {\n      var $promiseResolve = aFunction(C.resolve);\n      var values = [];\n      var counter = 0;\n      var remaining = 1;\n      iterate(iterable, function (promise) {\n        var index = counter++;\n        var alreadyCalled = false;\n        values.push(undefined);\n        remaining++;\n        $promiseResolve.call(C, promise).then(function (value) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = value;\n          --remaining || resolve(values);\n        }, reject);\n      });\n      --remaining || resolve(values);\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  },\n  // `Promise.race` method\n  // https://tc39.github.io/ecma262/#sec-promise.race\n  race: function race(iterable) {\n    var C = this;\n    var capability = newPromiseCapability(C);\n    var reject = capability.reject;\n    var result = perform(function () {\n      var $promiseResolve = aFunction(C.resolve);\n      iterate(iterable, function (promise) {\n        $promiseResolve.call(C, promise).then(capability.resolve, reject);\n      });\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  }\n});\n","var global = require('../internals/global');\n\nmodule.exports = global.Promise;\n","var redefine = require('../internals/redefine');\n\nmodule.exports = function (target, src, options) {\n  for (var key in src) redefine(target, key, src[key], options);\n  return target;\n};\n","'use strict';\nvar getBuiltIn = require('../internals/get-built-in');\nvar definePropertyModule = require('../internals/object-define-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar DESCRIPTORS = require('../internals/descriptors');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (CONSTRUCTOR_NAME) {\n  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);\n  var defineProperty = definePropertyModule.f;\n\n  if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {\n    defineProperty(Constructor, SPECIES, {\n      configurable: true,\n      get: function () { return this; }\n    });\n  }\n};\n","module.exports = function (it, Constructor, name) {\n  if (!(it instanceof Constructor)) {\n    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');\n  } return it;\n};\n","var global = require('../internals/global');\nvar fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\nvar bind = require('../internals/function-bind-context');\nvar html = require('../internals/html');\nvar createElement = require('../internals/document-create-element');\nvar IS_IOS = require('../internals/engine-is-ios');\n\nvar location = global.location;\nvar set = global.setImmediate;\nvar clear = global.clearImmediate;\nvar process = global.process;\nvar MessageChannel = global.MessageChannel;\nvar Dispatch = global.Dispatch;\nvar counter = 0;\nvar queue = {};\nvar ONREADYSTATECHANGE = 'onreadystatechange';\nvar defer, channel, port;\n\nvar run = function (id) {\n  // eslint-disable-next-line no-prototype-builtins\n  if (queue.hasOwnProperty(id)) {\n    var fn = queue[id];\n    delete queue[id];\n    fn();\n  }\n};\n\nvar runner = function (id) {\n  return function () {\n    run(id);\n  };\n};\n\nvar listener = function (event) {\n  run(event.data);\n};\n\nvar post = function (id) {\n  // old engines have not location.origin\n  global.postMessage(id + '', location.protocol + '//' + location.host);\n};\n\n// Node.js 0.9+ & IE10+ has setImmediate, otherwise:\nif (!set || !clear) {\n  set = function setImmediate(fn) {\n    var args = [];\n    var i = 1;\n    while (arguments.length > i) args.push(arguments[i++]);\n    queue[++counter] = function () {\n      // eslint-disable-next-line no-new-func\n      (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);\n    };\n    defer(counter);\n    return counter;\n  };\n  clear = function clearImmediate(id) {\n    delete queue[id];\n  };\n  // Node.js 0.8-\n  if (classof(process) == 'process') {\n    defer = function (id) {\n      process.nextTick(runner(id));\n    };\n  // Sphere (JS game engine) Dispatch API\n  } else if (Dispatch && Dispatch.now) {\n    defer = function (id) {\n      Dispatch.now(runner(id));\n    };\n  // Browsers with MessageChannel, includes WebWorkers\n  // except iOS - https://github.com/zloirock/core-js/issues/624\n  } else if (MessageChannel && !IS_IOS) {\n    channel = new MessageChannel();\n    port = channel.port2;\n    channel.port1.onmessage = listener;\n    defer = bind(port.postMessage, port, 1);\n  // Browsers with postMessage, skip WebWorkers\n  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'\n  } else if (\n    global.addEventListener &&\n    typeof postMessage == 'function' &&\n    !global.importScripts &&\n    !fails(post) &&\n    location.protocol !== 'file:'\n  ) {\n    defer = post;\n    global.addEventListener('message', listener, false);\n  // IE8-\n  } else if (ONREADYSTATECHANGE in createElement('script')) {\n    defer = function (id) {\n      html.appendChild(createElement('script'))[ONREADYSTATECHANGE] = function () {\n        html.removeChild(this);\n        run(id);\n      };\n    };\n  // Rest old browsers\n  } else {\n    defer = function (id) {\n      setTimeout(runner(id), 0);\n    };\n  }\n}\n\nmodule.exports = {\n  set: set,\n  clear: clear\n};\n","var userAgent = require('../internals/engine-user-agent');\n\nmodule.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('navigator', 'userAgent') || '';\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar classof = require('../internals/classof-raw');\nvar macrotask = require('../internals/task').set;\nvar IS_IOS = require('../internals/engine-is-ios');\n\nvar MutationObserver = global.MutationObserver || global.WebKitMutationObserver;\nvar process = global.process;\nvar Promise = global.Promise;\nvar IS_NODE = classof(process) == 'process';\n// Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`\nvar queueMicrotaskDescriptor = getOwnPropertyDescriptor(global, 'queueMicrotask');\nvar queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;\n\nvar flush, head, last, notify, toggle, node, promise, then;\n\n// modern engines have queueMicrotask method\nif (!queueMicrotask) {\n  flush = function () {\n    var parent, fn;\n    if (IS_NODE && (parent = process.domain)) parent.exit();\n    while (head) {\n      fn = head.fn;\n      head = head.next;\n      try {\n        fn();\n      } catch (error) {\n        if (head) notify();\n        else last = undefined;\n        throw error;\n      }\n    } last = undefined;\n    if (parent) parent.enter();\n  };\n\n  // Node.js\n  if (IS_NODE) {\n    notify = function () {\n      process.nextTick(flush);\n    };\n  // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339\n  } else if (MutationObserver && !IS_IOS) {\n    toggle = true;\n    node = document.createTextNode('');\n    new MutationObserver(flush).observe(node, { characterData: true });\n    notify = function () {\n      node.data = toggle = !toggle;\n    };\n  // environments with maybe non-completely correct, but existent Promise\n  } else if (Promise && Promise.resolve) {\n    // Promise.resolve without an argument throws an error in LG WebOS 2\n    promise = Promise.resolve(undefined);\n    then = promise.then;\n    notify = function () {\n      then.call(promise, flush);\n    };\n  // for other environments - macrotask based on:\n  // - setImmediate\n  // - MessageChannel\n  // - window.postMessag\n  // - onreadystatechange\n  // - setTimeout\n  } else {\n    notify = function () {\n      // strange IE + webpack dev server bug - use .call(global)\n      macrotask.call(global, flush);\n    };\n  }\n}\n\nmodule.exports = queueMicrotask || function (fn) {\n  var task = { fn: fn, next: undefined };\n  if (last) last.next = task;\n  if (!head) {\n    head = task;\n    notify();\n  } last = task;\n};\n","var anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar newPromiseCapability = require('../internals/new-promise-capability');\n\nmodule.exports = function (C, x) {\n  anObject(C);\n  if (isObject(x) && x.constructor === C) return x;\n  var promiseCapability = newPromiseCapability.f(C);\n  var resolve = promiseCapability.resolve;\n  resolve(x);\n  return promiseCapability.promise;\n};\n","'use strict';\nvar aFunction = require('../internals/a-function');\n\nvar PromiseCapability = function (C) {\n  var resolve, reject;\n  this.promise = new C(function ($$resolve, $$reject) {\n    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');\n    resolve = $$resolve;\n    reject = $$reject;\n  });\n  this.resolve = aFunction(resolve);\n  this.reject = aFunction(reject);\n};\n\n// 25.4.1.5 NewPromiseCapability(C)\nmodule.exports.f = function (C) {\n  return new PromiseCapability(C);\n};\n","var global = require('../internals/global');\n\nmodule.exports = function (a, b) {\n  var console = global.console;\n  if (console && console.error) {\n    arguments.length === 1 ? console.error(a) : console.error(a, b);\n  }\n};\n","module.exports = function (exec) {\n  try {\n    return { error: false, value: exec() };\n  } catch (error) {\n    return { error: true, value: error };\n  }\n};\n","var global = require('../internals/global');\nvar userAgent = require('../internals/engine-user-agent');\n\nvar process = global.process;\nvar versions = process && process.versions;\nvar v8 = versions && versions.v8;\nvar match, version;\n\nif (v8) {\n  match = v8.split('.');\n  version = match[0] + match[1];\n} else if (userAgent) {\n  match = userAgent.match(/Edge\\/(\\d+)/);\n  if (!match || match[1] >= 74) {\n    match = userAgent.match(/Chrome\\/(\\d+)/);\n    if (match) version = match[1];\n  }\n}\n\nmodule.exports = version && +version;\n","'use strict';\nvar $ = require('../internals/export');\nvar aFunction = require('../internals/a-function');\nvar newPromiseCapabilityModule = require('../internals/new-promise-capability');\nvar perform = require('../internals/perform');\nvar iterate = require('../internals/iterate');\n\n// `Promise.allSettled` method\n// https://github.com/tc39/proposal-promise-allSettled\n$({ target: 'Promise', stat: true }, {\n  allSettled: function allSettled(iterable) {\n    var C = this;\n    var capability = newPromiseCapabilityModule.f(C);\n    var resolve = capability.resolve;\n    var reject = capability.reject;\n    var result = perform(function () {\n      var promiseResolve = aFunction(C.resolve);\n      var values = [];\n      var counter = 0;\n      var remaining = 1;\n      iterate(iterable, function (promise) {\n        var index = counter++;\n        var alreadyCalled = false;\n        values.push(undefined);\n        remaining++;\n        promiseResolve.call(C, promise).then(function (value) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = { status: 'fulfilled', value: value };\n          --remaining || resolve(values);\n        }, function (e) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = { status: 'rejected', reason: e };\n          --remaining || resolve(values);\n        });\n      });\n      --remaining || resolve(values);\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  }\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar IS_PURE = require('../internals/is-pure');\nvar NativePromise = require('../internals/native-promise-constructor');\nvar fails = require('../internals/fails');\nvar getBuiltIn = require('../internals/get-built-in');\nvar speciesConstructor = require('../internals/species-constructor');\nvar promiseResolve = require('../internals/promise-resolve');\nvar redefine = require('../internals/redefine');\n\n// Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829\nvar NON_GENERIC = !!NativePromise && fails(function () {\n  NativePromise.prototype['finally'].call({ then: function () { /* empty */ } }, function () { /* empty */ });\n});\n\n// `Promise.prototype.finally` method\n// https://tc39.github.io/ecma262/#sec-promise.prototype.finally\n$({ target: 'Promise', proto: true, real: true, forced: NON_GENERIC }, {\n  'finally': function (onFinally) {\n    var C = speciesConstructor(this, getBuiltIn('Promise'));\n    var isFunction = typeof onFinally == 'function';\n    return this.then(\n      isFunction ? function (x) {\n        return promiseResolve(C, onFinally()).then(function () { return x; });\n      } : onFinally,\n      isFunction ? function (e) {\n        return promiseResolve(C, onFinally()).then(function () { throw e; });\n      } : onFinally\n    );\n  }\n});\n\n// patch native Promise.prototype for native async functions\nif (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {\n  redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);\n}\n","require('../modules/web.url');\nrequire('../modules/web.url.to-json');\nrequire('../modules/web.url-search-params');\nvar path = require('../internals/path');\n\nmodule.exports = path.URL;\n","'use strict';\n// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`\nrequire('../modules/es.string.iterator');\nvar $ = require('../internals/export');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar USE_NATIVE_URL = require('../internals/native-url');\nvar global = require('../internals/global');\nvar defineProperties = require('../internals/object-define-properties');\nvar redefine = require('../internals/redefine');\nvar anInstance = require('../internals/an-instance');\nvar has = require('../internals/has');\nvar assign = require('../internals/object-assign');\nvar arrayFrom = require('../internals/array-from');\nvar codeAt = require('../internals/string-multibyte').codeAt;\nvar toASCII = require('../internals/string-punycode-to-ascii');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar URLSearchParamsModule = require('../modules/web.url-search-params');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar NativeURL = global.URL;\nvar URLSearchParams = URLSearchParamsModule.URLSearchParams;\nvar getInternalSearchParamsState = URLSearchParamsModule.getState;\nvar setInternalState = InternalStateModule.set;\nvar getInternalURLState = InternalStateModule.getterFor('URL');\nvar floor = Math.floor;\nvar pow = Math.pow;\n\nvar INVALID_AUTHORITY = 'Invalid authority';\nvar INVALID_SCHEME = 'Invalid scheme';\nvar INVALID_HOST = 'Invalid host';\nvar INVALID_PORT = 'Invalid port';\n\nvar ALPHA = /[A-Za-z]/;\nvar ALPHANUMERIC = /[\\d+-.A-Za-z]/;\nvar DIGIT = /\\d/;\nvar HEX_START = /^(0x|0X)/;\nvar OCT = /^[0-7]+$/;\nvar DEC = /^\\d+$/;\nvar HEX = /^[\\dA-Fa-f]+$/;\n// eslint-disable-next-line no-control-regex\nvar FORBIDDEN_HOST_CODE_POINT = /[\\u0000\\u0009\\u000A\\u000D #%/:?@[\\\\]]/;\n// eslint-disable-next-line no-control-regex\nvar FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\\u0000\\u0009\\u000A\\u000D #/:?@[\\\\]]/;\n// eslint-disable-next-line no-control-regex\nvar LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\\u0000-\\u001F ]+|[\\u0000-\\u001F ]+$/g;\n// eslint-disable-next-line no-control-regex\nvar TAB_AND_NEW_LINE = /[\\u0009\\u000A\\u000D]/g;\nvar EOF;\n\nvar parseHost = function (url, input) {\n  var result, codePoints, index;\n  if (input.charAt(0) == '[') {\n    if (input.charAt(input.length - 1) != ']') return INVALID_HOST;\n    result = parseIPv6(input.slice(1, -1));\n    if (!result) return INVALID_HOST;\n    url.host = result;\n  // opaque host\n  } else if (!isSpecial(url)) {\n    if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) return INVALID_HOST;\n    result = '';\n    codePoints = arrayFrom(input);\n    for (index = 0; index < codePoints.length; index++) {\n      result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);\n    }\n    url.host = result;\n  } else {\n    input = toASCII(input);\n    if (FORBIDDEN_HOST_CODE_POINT.test(input)) return INVALID_HOST;\n    result = parseIPv4(input);\n    if (result === null) return INVALID_HOST;\n    url.host = result;\n  }\n};\n\nvar parseIPv4 = function (input) {\n  var parts = input.split('.');\n  var partsLength, numbers, index, part, radix, number, ipv4;\n  if (parts.length && parts[parts.length - 1] == '') {\n    parts.pop();\n  }\n  partsLength = parts.length;\n  if (partsLength > 4) return input;\n  numbers = [];\n  for (index = 0; index < partsLength; index++) {\n    part = parts[index];\n    if (part == '') return input;\n    radix = 10;\n    if (part.length > 1 && part.charAt(0) == '0') {\n      radix = HEX_START.test(part) ? 16 : 8;\n      part = part.slice(radix == 8 ? 1 : 2);\n    }\n    if (part === '') {\n      number = 0;\n    } else {\n      if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) return input;\n      number = parseInt(part, radix);\n    }\n    numbers.push(number);\n  }\n  for (index = 0; index < partsLength; index++) {\n    number = numbers[index];\n    if (index == partsLength - 1) {\n      if (number >= pow(256, 5 - partsLength)) return null;\n    } else if (number > 255) return null;\n  }\n  ipv4 = numbers.pop();\n  for (index = 0; index < numbers.length; index++) {\n    ipv4 += numbers[index] * pow(256, 3 - index);\n  }\n  return ipv4;\n};\n\n// eslint-disable-next-line max-statements\nvar parseIPv6 = function (input) {\n  var address = [0, 0, 0, 0, 0, 0, 0, 0];\n  var pieceIndex = 0;\n  var compress = null;\n  var pointer = 0;\n  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;\n\n  var char = function () {\n    return input.charAt(pointer);\n  };\n\n  if (char() == ':') {\n    if (input.charAt(1) != ':') return;\n    pointer += 2;\n    pieceIndex++;\n    compress = pieceIndex;\n  }\n  while (char()) {\n    if (pieceIndex == 8) return;\n    if (char() == ':') {\n      if (compress !== null) return;\n      pointer++;\n      pieceIndex++;\n      compress = pieceIndex;\n      continue;\n    }\n    value = length = 0;\n    while (length < 4 && HEX.test(char())) {\n      value = value * 16 + parseInt(char(), 16);\n      pointer++;\n      length++;\n    }\n    if (char() == '.') {\n      if (length == 0) return;\n      pointer -= length;\n      if (pieceIndex > 6) return;\n      numbersSeen = 0;\n      while (char()) {\n        ipv4Piece = null;\n        if (numbersSeen > 0) {\n          if (char() == '.' && numbersSeen < 4) pointer++;\n          else return;\n        }\n        if (!DIGIT.test(char())) return;\n        while (DIGIT.test(char())) {\n          number = parseInt(char(), 10);\n          if (ipv4Piece === null) ipv4Piece = number;\n          else if (ipv4Piece == 0) return;\n          else ipv4Piece = ipv4Piece * 10 + number;\n          if (ipv4Piece > 255) return;\n          pointer++;\n        }\n        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;\n        numbersSeen++;\n        if (numbersSeen == 2 || numbersSeen == 4) pieceIndex++;\n      }\n      if (numbersSeen != 4) return;\n      break;\n    } else if (char() == ':') {\n      pointer++;\n      if (!char()) return;\n    } else if (char()) return;\n    address[pieceIndex++] = value;\n  }\n  if (compress !== null) {\n    swaps = pieceIndex - compress;\n    pieceIndex = 7;\n    while (pieceIndex != 0 && swaps > 0) {\n      swap = address[pieceIndex];\n      address[pieceIndex--] = address[compress + swaps - 1];\n      address[compress + --swaps] = swap;\n    }\n  } else if (pieceIndex != 8) return;\n  return address;\n};\n\nvar findLongestZeroSequence = function (ipv6) {\n  var maxIndex = null;\n  var maxLength = 1;\n  var currStart = null;\n  var currLength = 0;\n  var index = 0;\n  for (; index < 8; index++) {\n    if (ipv6[index] !== 0) {\n      if (currLength > maxLength) {\n        maxIndex = currStart;\n        maxLength = currLength;\n      }\n      currStart = null;\n      currLength = 0;\n    } else {\n      if (currStart === null) currStart = index;\n      ++currLength;\n    }\n  }\n  if (currLength > maxLength) {\n    maxIndex = currStart;\n    maxLength = currLength;\n  }\n  return maxIndex;\n};\n\nvar serializeHost = function (host) {\n  var result, index, compress, ignore0;\n  // ipv4\n  if (typeof host == 'number') {\n    result = [];\n    for (index = 0; index < 4; index++) {\n      result.unshift(host % 256);\n      host = floor(host / 256);\n    } return result.join('.');\n  // ipv6\n  } else if (typeof host == 'object') {\n    result = '';\n    compress = findLongestZeroSequence(host);\n    for (index = 0; index < 8; index++) {\n      if (ignore0 && host[index] === 0) continue;\n      if (ignore0) ignore0 = false;\n      if (compress === index) {\n        result += index ? ':' : '::';\n        ignore0 = true;\n      } else {\n        result += host[index].toString(16);\n        if (index < 7) result += ':';\n      }\n    }\n    return '[' + result + ']';\n  } return host;\n};\n\nvar C0ControlPercentEncodeSet = {};\nvar fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {\n  ' ': 1, '\"': 1, '<': 1, '>': 1, '`': 1\n});\nvar pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {\n  '#': 1, '?': 1, '{': 1, '}': 1\n});\nvar userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {\n  '/': 1, ':': 1, ';': 1, '=': 1, '@': 1, '[': 1, '\\\\': 1, ']': 1, '^': 1, '|': 1\n});\n\nvar percentEncode = function (char, set) {\n  var code = codeAt(char, 0);\n  return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);\n};\n\nvar specialSchemes = {\n  ftp: 21,\n  file: null,\n  http: 80,\n  https: 443,\n  ws: 80,\n  wss: 443\n};\n\nvar isSpecial = function (url) {\n  return has(specialSchemes, url.scheme);\n};\n\nvar includesCredentials = function (url) {\n  return url.username != '' || url.password != '';\n};\n\nvar cannotHaveUsernamePasswordPort = function (url) {\n  return !url.host || url.cannotBeABaseURL || url.scheme == 'file';\n};\n\nvar isWindowsDriveLetter = function (string, normalized) {\n  var second;\n  return string.length == 2 && ALPHA.test(string.charAt(0))\n    && ((second = string.charAt(1)) == ':' || (!normalized && second == '|'));\n};\n\nvar startsWithWindowsDriveLetter = function (string) {\n  var third;\n  return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (\n    string.length == 2 ||\n    ((third = string.charAt(2)) === '/' || third === '\\\\' || third === '?' || third === '#')\n  );\n};\n\nvar shortenURLsPath = function (url) {\n  var path = url.path;\n  var pathSize = path.length;\n  if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {\n    path.pop();\n  }\n};\n\nvar isSingleDot = function (segment) {\n  return segment === '.' || segment.toLowerCase() === '%2e';\n};\n\nvar isDoubleDot = function (segment) {\n  segment = segment.toLowerCase();\n  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';\n};\n\n// States:\nvar SCHEME_START = {};\nvar SCHEME = {};\nvar NO_SCHEME = {};\nvar SPECIAL_RELATIVE_OR_AUTHORITY = {};\nvar PATH_OR_AUTHORITY = {};\nvar RELATIVE = {};\nvar RELATIVE_SLASH = {};\nvar SPECIAL_AUTHORITY_SLASHES = {};\nvar SPECIAL_AUTHORITY_IGNORE_SLASHES = {};\nvar AUTHORITY = {};\nvar HOST = {};\nvar HOSTNAME = {};\nvar PORT = {};\nvar FILE = {};\nvar FILE_SLASH = {};\nvar FILE_HOST = {};\nvar PATH_START = {};\nvar PATH = {};\nvar CANNOT_BE_A_BASE_URL_PATH = {};\nvar QUERY = {};\nvar FRAGMENT = {};\n\n// eslint-disable-next-line max-statements\nvar parseURL = function (url, input, stateOverride, base) {\n  var state = stateOverride || SCHEME_START;\n  var pointer = 0;\n  var buffer = '';\n  var seenAt = false;\n  var seenBracket = false;\n  var seenPasswordToken = false;\n  var codePoints, char, bufferCodePoints, failure;\n\n  if (!stateOverride) {\n    url.scheme = '';\n    url.username = '';\n    url.password = '';\n    url.host = null;\n    url.port = null;\n    url.path = [];\n    url.query = null;\n    url.fragment = null;\n    url.cannotBeABaseURL = false;\n    input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');\n  }\n\n  input = input.replace(TAB_AND_NEW_LINE, '');\n\n  codePoints = arrayFrom(input);\n\n  while (pointer <= codePoints.length) {\n    char = codePoints[pointer];\n    switch (state) {\n      case SCHEME_START:\n        if (char && ALPHA.test(char)) {\n          buffer += char.toLowerCase();\n          state = SCHEME;\n        } else if (!stateOverride) {\n          state = NO_SCHEME;\n          continue;\n        } else return INVALID_SCHEME;\n        break;\n\n      case SCHEME:\n        if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {\n          buffer += char.toLowerCase();\n        } else if (char == ':') {\n          if (stateOverride && (\n            (isSpecial(url) != has(specialSchemes, buffer)) ||\n            (buffer == 'file' && (includesCredentials(url) || url.port !== null)) ||\n            (url.scheme == 'file' && !url.host)\n          )) return;\n          url.scheme = buffer;\n          if (stateOverride) {\n            if (isSpecial(url) && specialSchemes[url.scheme] == url.port) url.port = null;\n            return;\n          }\n          buffer = '';\n          if (url.scheme == 'file') {\n            state = FILE;\n          } else if (isSpecial(url) && base && base.scheme == url.scheme) {\n            state = SPECIAL_RELATIVE_OR_AUTHORITY;\n          } else if (isSpecial(url)) {\n            state = SPECIAL_AUTHORITY_SLASHES;\n          } else if (codePoints[pointer + 1] == '/') {\n            state = PATH_OR_AUTHORITY;\n            pointer++;\n          } else {\n            url.cannotBeABaseURL = true;\n            url.path.push('');\n            state = CANNOT_BE_A_BASE_URL_PATH;\n          }\n        } else if (!stateOverride) {\n          buffer = '';\n          state = NO_SCHEME;\n          pointer = 0;\n          continue;\n        } else return INVALID_SCHEME;\n        break;\n\n      case NO_SCHEME:\n        if (!base || (base.cannotBeABaseURL && char != '#')) return INVALID_SCHEME;\n        if (base.cannotBeABaseURL && char == '#') {\n          url.scheme = base.scheme;\n          url.path = base.path.slice();\n          url.query = base.query;\n          url.fragment = '';\n          url.cannotBeABaseURL = true;\n          state = FRAGMENT;\n          break;\n        }\n        state = base.scheme == 'file' ? FILE : RELATIVE;\n        continue;\n\n      case SPECIAL_RELATIVE_OR_AUTHORITY:\n        if (char == '/' && codePoints[pointer + 1] == '/') {\n          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n          pointer++;\n        } else {\n          state = RELATIVE;\n          continue;\n        } break;\n\n      case PATH_OR_AUTHORITY:\n        if (char == '/') {\n          state = AUTHORITY;\n          break;\n        } else {\n          state = PATH;\n          continue;\n        }\n\n      case RELATIVE:\n        url.scheme = base.scheme;\n        if (char == EOF) {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = base.query;\n        } else if (char == '/' || (char == '\\\\' && isSpecial(url))) {\n          state = RELATIVE_SLASH;\n        } else if (char == '?') {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = '';\n          state = QUERY;\n        } else if (char == '#') {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = base.query;\n          url.fragment = '';\n          state = FRAGMENT;\n        } else {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.path.pop();\n          state = PATH;\n          continue;\n        } break;\n\n      case RELATIVE_SLASH:\n        if (isSpecial(url) && (char == '/' || char == '\\\\')) {\n          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n        } else if (char == '/') {\n          state = AUTHORITY;\n        } else {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          state = PATH;\n          continue;\n        } break;\n\n      case SPECIAL_AUTHORITY_SLASHES:\n        state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n        if (char != '/' || buffer.charAt(pointer + 1) != '/') continue;\n        pointer++;\n        break;\n\n      case SPECIAL_AUTHORITY_IGNORE_SLASHES:\n        if (char != '/' && char != '\\\\') {\n          state = AUTHORITY;\n          continue;\n        } break;\n\n      case AUTHORITY:\n        if (char == '@') {\n          if (seenAt) buffer = '%40' + buffer;\n          seenAt = true;\n          bufferCodePoints = arrayFrom(buffer);\n          for (var i = 0; i < bufferCodePoints.length; i++) {\n            var codePoint = bufferCodePoints[i];\n            if (codePoint == ':' && !seenPasswordToken) {\n              seenPasswordToken = true;\n              continue;\n            }\n            var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);\n            if (seenPasswordToken) url.password += encodedCodePoints;\n            else url.username += encodedCodePoints;\n          }\n          buffer = '';\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url))\n        ) {\n          if (seenAt && buffer == '') return INVALID_AUTHORITY;\n          pointer -= arrayFrom(buffer).length + 1;\n          buffer = '';\n          state = HOST;\n        } else buffer += char;\n        break;\n\n      case HOST:\n      case HOSTNAME:\n        if (stateOverride && url.scheme == 'file') {\n          state = FILE_HOST;\n          continue;\n        } else if (char == ':' && !seenBracket) {\n          if (buffer == '') return INVALID_HOST;\n          failure = parseHost(url, buffer);\n          if (failure) return failure;\n          buffer = '';\n          state = PORT;\n          if (stateOverride == HOSTNAME) return;\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url))\n        ) {\n          if (isSpecial(url) && buffer == '') return INVALID_HOST;\n          if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) return;\n          failure = parseHost(url, buffer);\n          if (failure) return failure;\n          buffer = '';\n          state = PATH_START;\n          if (stateOverride) return;\n          continue;\n        } else {\n          if (char == '[') seenBracket = true;\n          else if (char == ']') seenBracket = false;\n          buffer += char;\n        } break;\n\n      case PORT:\n        if (DIGIT.test(char)) {\n          buffer += char;\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url)) ||\n          stateOverride\n        ) {\n          if (buffer != '') {\n            var port = parseInt(buffer, 10);\n            if (port > 0xFFFF) return INVALID_PORT;\n            url.port = (isSpecial(url) && port === specialSchemes[url.scheme]) ? null : port;\n            buffer = '';\n          }\n          if (stateOverride) return;\n          state = PATH_START;\n          continue;\n        } else return INVALID_PORT;\n        break;\n\n      case FILE:\n        url.scheme = 'file';\n        if (char == '/' || char == '\\\\') state = FILE_SLASH;\n        else if (base && base.scheme == 'file') {\n          if (char == EOF) {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = base.query;\n          } else if (char == '?') {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = '';\n            state = QUERY;\n          } else if (char == '#') {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = base.query;\n            url.fragment = '';\n            state = FRAGMENT;\n          } else {\n            if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {\n              url.host = base.host;\n              url.path = base.path.slice();\n              shortenURLsPath(url);\n            }\n            state = PATH;\n            continue;\n          }\n        } else {\n          state = PATH;\n          continue;\n        } break;\n\n      case FILE_SLASH:\n        if (char == '/' || char == '\\\\') {\n          state = FILE_HOST;\n          break;\n        }\n        if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {\n          if (isWindowsDriveLetter(base.path[0], true)) url.path.push(base.path[0]);\n          else url.host = base.host;\n        }\n        state = PATH;\n        continue;\n\n      case FILE_HOST:\n        if (char == EOF || char == '/' || char == '\\\\' || char == '?' || char == '#') {\n          if (!stateOverride && isWindowsDriveLetter(buffer)) {\n            state = PATH;\n          } else if (buffer == '') {\n            url.host = '';\n            if (stateOverride) return;\n            state = PATH_START;\n          } else {\n            failure = parseHost(url, buffer);\n            if (failure) return failure;\n            if (url.host == 'localhost') url.host = '';\n            if (stateOverride) return;\n            buffer = '';\n            state = PATH_START;\n          } continue;\n        } else buffer += char;\n        break;\n\n      case PATH_START:\n        if (isSpecial(url)) {\n          state = PATH;\n          if (char != '/' && char != '\\\\') continue;\n        } else if (!stateOverride && char == '?') {\n          url.query = '';\n          state = QUERY;\n        } else if (!stateOverride && char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          state = PATH;\n          if (char != '/') continue;\n        } break;\n\n      case PATH:\n        if (\n          char == EOF || char == '/' ||\n          (char == '\\\\' && isSpecial(url)) ||\n          (!stateOverride && (char == '?' || char == '#'))\n        ) {\n          if (isDoubleDot(buffer)) {\n            shortenURLsPath(url);\n            if (char != '/' && !(char == '\\\\' && isSpecial(url))) {\n              url.path.push('');\n            }\n          } else if (isSingleDot(buffer)) {\n            if (char != '/' && !(char == '\\\\' && isSpecial(url))) {\n              url.path.push('');\n            }\n          } else {\n            if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {\n              if (url.host) url.host = '';\n              buffer = buffer.charAt(0) + ':'; // normalize windows drive letter\n            }\n            url.path.push(buffer);\n          }\n          buffer = '';\n          if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {\n            while (url.path.length > 1 && url.path[0] === '') {\n              url.path.shift();\n            }\n          }\n          if (char == '?') {\n            url.query = '';\n            state = QUERY;\n          } else if (char == '#') {\n            url.fragment = '';\n            state = FRAGMENT;\n          }\n        } else {\n          buffer += percentEncode(char, pathPercentEncodeSet);\n        } break;\n\n      case CANNOT_BE_A_BASE_URL_PATH:\n        if (char == '?') {\n          url.query = '';\n          state = QUERY;\n        } else if (char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);\n        } break;\n\n      case QUERY:\n        if (!stateOverride && char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          if (char == \"'\" && isSpecial(url)) url.query += '%27';\n          else if (char == '#') url.query += '%23';\n          else url.query += percentEncode(char, C0ControlPercentEncodeSet);\n        } break;\n\n      case FRAGMENT:\n        if (char != EOF) url.fragment += percentEncode(char, fragmentPercentEncodeSet);\n        break;\n    }\n\n    pointer++;\n  }\n};\n\n// `URL` constructor\n// https://url.spec.whatwg.org/#url-class\nvar URLConstructor = function URL(url /* , base */) {\n  var that = anInstance(this, URLConstructor, 'URL');\n  var base = arguments.length > 1 ? arguments[1] : undefined;\n  var urlString = String(url);\n  var state = setInternalState(that, { type: 'URL' });\n  var baseState, failure;\n  if (base !== undefined) {\n    if (base instanceof URLConstructor) baseState = getInternalURLState(base);\n    else {\n      failure = parseURL(baseState = {}, String(base));\n      if (failure) throw TypeError(failure);\n    }\n  }\n  failure = parseURL(state, urlString, null, baseState);\n  if (failure) throw TypeError(failure);\n  var searchParams = state.searchParams = new URLSearchParams();\n  var searchParamsState = getInternalSearchParamsState(searchParams);\n  searchParamsState.updateSearchParams(state.query);\n  searchParamsState.updateURL = function () {\n    state.query = String(searchParams) || null;\n  };\n  if (!DESCRIPTORS) {\n    that.href = serializeURL.call(that);\n    that.origin = getOrigin.call(that);\n    that.protocol = getProtocol.call(that);\n    that.username = getUsername.call(that);\n    that.password = getPassword.call(that);\n    that.host = getHost.call(that);\n    that.hostname = getHostname.call(that);\n    that.port = getPort.call(that);\n    that.pathname = getPathname.call(that);\n    that.search = getSearch.call(that);\n    that.searchParams = getSearchParams.call(that);\n    that.hash = getHash.call(that);\n  }\n};\n\nvar URLPrototype = URLConstructor.prototype;\n\nvar serializeURL = function () {\n  var url = getInternalURLState(this);\n  var scheme = url.scheme;\n  var username = url.username;\n  var password = url.password;\n  var host = url.host;\n  var port = url.port;\n  var path = url.path;\n  var query = url.query;\n  var fragment = url.fragment;\n  var output = scheme + ':';\n  if (host !== null) {\n    output += '//';\n    if (includesCredentials(url)) {\n      output += username + (password ? ':' + password : '') + '@';\n    }\n    output += serializeHost(host);\n    if (port !== null) output += ':' + port;\n  } else if (scheme == 'file') output += '//';\n  output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';\n  if (query !== null) output += '?' + query;\n  if (fragment !== null) output += '#' + fragment;\n  return output;\n};\n\nvar getOrigin = function () {\n  var url = getInternalURLState(this);\n  var scheme = url.scheme;\n  var port = url.port;\n  if (scheme == 'blob') try {\n    return new URL(scheme.path[0]).origin;\n  } catch (error) {\n    return 'null';\n  }\n  if (scheme == 'file' || !isSpecial(url)) return 'null';\n  return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');\n};\n\nvar getProtocol = function () {\n  return getInternalURLState(this).scheme + ':';\n};\n\nvar getUsername = function () {\n  return getInternalURLState(this).username;\n};\n\nvar getPassword = function () {\n  return getInternalURLState(this).password;\n};\n\nvar getHost = function () {\n  var url = getInternalURLState(this);\n  var host = url.host;\n  var port = url.port;\n  return host === null ? ''\n    : port === null ? serializeHost(host)\n    : serializeHost(host) + ':' + port;\n};\n\nvar getHostname = function () {\n  var host = getInternalURLState(this).host;\n  return host === null ? '' : serializeHost(host);\n};\n\nvar getPort = function () {\n  var port = getInternalURLState(this).port;\n  return port === null ? '' : String(port);\n};\n\nvar getPathname = function () {\n  var url = getInternalURLState(this);\n  var path = url.path;\n  return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';\n};\n\nvar getSearch = function () {\n  var query = getInternalURLState(this).query;\n  return query ? '?' + query : '';\n};\n\nvar getSearchParams = function () {\n  return getInternalURLState(this).searchParams;\n};\n\nvar getHash = function () {\n  var fragment = getInternalURLState(this).fragment;\n  return fragment ? '#' + fragment : '';\n};\n\nvar accessorDescriptor = function (getter, setter) {\n  return { get: getter, set: setter, configurable: true, enumerable: true };\n};\n\nif (DESCRIPTORS) {\n  defineProperties(URLPrototype, {\n    // `URL.prototype.href` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-href\n    href: accessorDescriptor(serializeURL, function (href) {\n      var url = getInternalURLState(this);\n      var urlString = String(href);\n      var failure = parseURL(url, urlString);\n      if (failure) throw TypeError(failure);\n      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);\n    }),\n    // `URL.prototype.origin` getter\n    // https://url.spec.whatwg.org/#dom-url-origin\n    origin: accessorDescriptor(getOrigin),\n    // `URL.prototype.protocol` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-protocol\n    protocol: accessorDescriptor(getProtocol, function (protocol) {\n      var url = getInternalURLState(this);\n      parseURL(url, String(protocol) + ':', SCHEME_START);\n    }),\n    // `URL.prototype.username` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-username\n    username: accessorDescriptor(getUsername, function (username) {\n      var url = getInternalURLState(this);\n      var codePoints = arrayFrom(String(username));\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      url.username = '';\n      for (var i = 0; i < codePoints.length; i++) {\n        url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);\n      }\n    }),\n    // `URL.prototype.password` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-password\n    password: accessorDescriptor(getPassword, function (password) {\n      var url = getInternalURLState(this);\n      var codePoints = arrayFrom(String(password));\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      url.password = '';\n      for (var i = 0; i < codePoints.length; i++) {\n        url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);\n      }\n    }),\n    // `URL.prototype.host` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-host\n    host: accessorDescriptor(getHost, function (host) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      parseURL(url, String(host), HOST);\n    }),\n    // `URL.prototype.hostname` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-hostname\n    hostname: accessorDescriptor(getHostname, function (hostname) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      parseURL(url, String(hostname), HOSTNAME);\n    }),\n    // `URL.prototype.port` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-port\n    port: accessorDescriptor(getPort, function (port) {\n      var url = getInternalURLState(this);\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      port = String(port);\n      if (port == '') url.port = null;\n      else parseURL(url, port, PORT);\n    }),\n    // `URL.prototype.pathname` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-pathname\n    pathname: accessorDescriptor(getPathname, function (pathname) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      url.path = [];\n      parseURL(url, pathname + '', PATH_START);\n    }),\n    // `URL.prototype.search` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-search\n    search: accessorDescriptor(getSearch, function (search) {\n      var url = getInternalURLState(this);\n      search = String(search);\n      if (search == '') {\n        url.query = null;\n      } else {\n        if ('?' == search.charAt(0)) search = search.slice(1);\n        url.query = '';\n        parseURL(url, search, QUERY);\n      }\n      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);\n    }),\n    // `URL.prototype.searchParams` getter\n    // https://url.spec.whatwg.org/#dom-url-searchparams\n    searchParams: accessorDescriptor(getSearchParams),\n    // `URL.prototype.hash` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-hash\n    hash: accessorDescriptor(getHash, function (hash) {\n      var url = getInternalURLState(this);\n      hash = String(hash);\n      if (hash == '') {\n        url.fragment = null;\n        return;\n      }\n      if ('#' == hash.charAt(0)) hash = hash.slice(1);\n      url.fragment = '';\n      parseURL(url, hash, FRAGMENT);\n    })\n  });\n}\n\n// `URL.prototype.toJSON` method\n// https://url.spec.whatwg.org/#dom-url-tojson\nredefine(URLPrototype, 'toJSON', function toJSON() {\n  return serializeURL.call(this);\n}, { enumerable: true });\n\n// `URL.prototype.toString` method\n// https://url.spec.whatwg.org/#URL-stringification-behavior\nredefine(URLPrototype, 'toString', function toString() {\n  return serializeURL.call(this);\n}, { enumerable: true });\n\nif (NativeURL) {\n  var nativeCreateObjectURL = NativeURL.createObjectURL;\n  var nativeRevokeObjectURL = NativeURL.revokeObjectURL;\n  // `URL.createObjectURL` method\n  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n  // eslint-disable-next-line no-unused-vars\n  if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {\n    return nativeCreateObjectURL.apply(NativeURL, arguments);\n  });\n  // `URL.revokeObjectURL` method\n  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL\n  // eslint-disable-next-line no-unused-vars\n  if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {\n    return nativeRevokeObjectURL.apply(NativeURL, arguments);\n  });\n}\n\nsetToStringTag(URLConstructor, 'URL');\n\n$({ global: true, forced: !USE_NATIVE_URL, sham: !DESCRIPTORS }, {\n  URL: URLConstructor\n});\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\n\nvar ITERATOR = wellKnownSymbol('iterator');\n\nmodule.exports = !fails(function () {\n  var url = new URL('b?a=1&b=2&c=3', 'http://a');\n  var searchParams = url.searchParams;\n  var result = '';\n  url.pathname = 'c%20d';\n  searchParams.forEach(function (value, key) {\n    searchParams['delete']('b');\n    result += key + value;\n  });\n  return (IS_PURE && !url.toJSON)\n    || !searchParams.sort\n    || url.href !== 'http://a/c%20d?a=1&c=3'\n    || searchParams.get('c') !== '3'\n    || String(new URLSearchParams('?a=1')) !== 'a=1'\n    || !searchParams[ITERATOR]\n    // throws in Edge\n    || new URL('https://a@b').username !== 'a'\n    || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'\n    // not punycoded in Edge\n    || new URL('http://тест').host !== 'xn--e1aybc'\n    // not escaped in Chrome 62-\n    || new URL('http://a#б').hash !== '#%D0%B1'\n    // fails in Chrome 66-\n    || result !== 'a1c3'\n    // throws in Safari\n    || new URL('http://x', undefined).host !== 'x';\n});\n","'use strict';\n// based on https://github.com/bestiejs/punycode.js/blob/master/punycode.js\nvar maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\nvar base = 36;\nvar tMin = 1;\nvar tMax = 26;\nvar skew = 38;\nvar damp = 700;\nvar initialBias = 72;\nvar initialN = 128; // 0x80\nvar delimiter = '-'; // '\\x2D'\nvar regexNonASCII = /[^\\0-\\u007E]/; // non-ASCII chars\nvar regexSeparators = /[.\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\nvar OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';\nvar baseMinusTMin = base - tMin;\nvar floor = Math.floor;\nvar stringFromCharCode = String.fromCharCode;\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n */\nvar ucs2decode = function (string) {\n  var output = [];\n  var counter = 0;\n  var length = string.length;\n  while (counter < length) {\n    var value = string.charCodeAt(counter++);\n    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n      // It's a high surrogate, and there is a next character.\n      var extra = string.charCodeAt(counter++);\n      if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n      } else {\n        // It's an unmatched surrogate; only append this code unit, in case the\n        // next code unit is the high surrogate of a surrogate pair.\n        output.push(value);\n        counter--;\n      }\n    } else {\n      output.push(value);\n    }\n  }\n  return output;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n */\nvar digitToBasic = function (digit) {\n  //  0..25 map to ASCII a..z or A..Z\n  // 26..35 map to ASCII 0..9\n  return digit + 22 + 75 * (digit < 26);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n */\nvar adapt = function (delta, numPoints, firstTime) {\n  var k = 0;\n  delta = firstTime ? floor(delta / damp) : delta >> 1;\n  delta += floor(delta / numPoints);\n  for (; delta > baseMinusTMin * tMax >> 1; k += base) {\n    delta = floor(delta / baseMinusTMin);\n  }\n  return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n */\n// eslint-disable-next-line  max-statements\nvar encode = function (input) {\n  var output = [];\n\n  // Convert the input in UCS-2 to an array of Unicode code points.\n  input = ucs2decode(input);\n\n  // Cache the length.\n  var inputLength = input.length;\n\n  // Initialize the state.\n  var n = initialN;\n  var delta = 0;\n  var bias = initialBias;\n  var i, currentValue;\n\n  // Handle the basic code points.\n  for (i = 0; i < input.length; i++) {\n    currentValue = input[i];\n    if (currentValue < 0x80) {\n      output.push(stringFromCharCode(currentValue));\n    }\n  }\n\n  var basicLength = output.length; // number of basic code points.\n  var handledCPCount = basicLength; // number of code points that have been handled;\n\n  // Finish the basic string with a delimiter unless it's empty.\n  if (basicLength) {\n    output.push(delimiter);\n  }\n\n  // Main encoding loop:\n  while (handledCPCount < inputLength) {\n    // All non-basic code points < n have been handled already. Find the next larger one:\n    var m = maxInt;\n    for (i = 0; i < input.length; i++) {\n      currentValue = input[i];\n      if (currentValue >= n && currentValue < m) {\n        m = currentValue;\n      }\n    }\n\n    // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, but guard against overflow.\n    var handledCPCountPlusOne = handledCPCount + 1;\n    if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n      throw RangeError(OVERFLOW_ERROR);\n    }\n\n    delta += (m - n) * handledCPCountPlusOne;\n    n = m;\n\n    for (i = 0; i < input.length; i++) {\n      currentValue = input[i];\n      if (currentValue < n && ++delta > maxInt) {\n        throw RangeError(OVERFLOW_ERROR);\n      }\n      if (currentValue == n) {\n        // Represent delta as a generalized variable-length integer.\n        var q = delta;\n        for (var k = base; /* no condition */; k += base) {\n          var t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n          if (q < t) break;\n          var qMinusT = q - t;\n          var baseMinusT = base - t;\n          output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));\n          q = floor(qMinusT / baseMinusT);\n        }\n\n        output.push(stringFromCharCode(digitToBasic(q)));\n        bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n        delta = 0;\n        ++handledCPCount;\n      }\n    }\n\n    ++delta;\n    ++n;\n  }\n  return output.join('');\n};\n\nmodule.exports = function (input) {\n  var encoded = [];\n  var labels = input.toLowerCase().replace(regexSeparators, '\\u002E').split('.');\n  var i, label;\n  for (i = 0; i < labels.length; i++) {\n    label = labels[i];\n    encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);\n  }\n  return encoded.join('.');\n};\n","'use strict';\n// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`\nrequire('../modules/es.array.iterator');\nvar $ = require('../internals/export');\nvar getBuiltIn = require('../internals/get-built-in');\nvar USE_NATIVE_URL = require('../internals/native-url');\nvar redefine = require('../internals/redefine');\nvar redefineAll = require('../internals/redefine-all');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar InternalStateModule = require('../internals/internal-state');\nvar anInstance = require('../internals/an-instance');\nvar hasOwn = require('../internals/has');\nvar bind = require('../internals/function-bind-context');\nvar classof = require('../internals/classof');\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar getIterator = require('../internals/get-iterator');\nvar getIteratorMethod = require('../internals/get-iterator-method');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar $fetch = getBuiltIn('fetch');\nvar Headers = getBuiltIn('Headers');\nvar ITERATOR = wellKnownSymbol('iterator');\nvar URL_SEARCH_PARAMS = 'URLSearchParams';\nvar URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);\nvar getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);\n\nvar plus = /\\+/g;\nvar sequences = Array(4);\n\nvar percentSequence = function (bytes) {\n  return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\\\da-f]{2}){' + bytes + '})', 'gi'));\n};\n\nvar percentDecode = function (sequence) {\n  try {\n    return decodeURIComponent(sequence);\n  } catch (error) {\n    return sequence;\n  }\n};\n\nvar deserialize = function (it) {\n  var result = it.replace(plus, ' ');\n  var bytes = 4;\n  try {\n    return decodeURIComponent(result);\n  } catch (error) {\n    while (bytes) {\n      result = result.replace(percentSequence(bytes--), percentDecode);\n    }\n    return result;\n  }\n};\n\nvar find = /[!'()~]|%20/g;\n\nvar replace = {\n  '!': '%21',\n  \"'\": '%27',\n  '(': '%28',\n  ')': '%29',\n  '~': '%7E',\n  '%20': '+'\n};\n\nvar replacer = function (match) {\n  return replace[match];\n};\n\nvar serialize = function (it) {\n  return encodeURIComponent(it).replace(find, replacer);\n};\n\nvar parseSearchParams = function (result, query) {\n  if (query) {\n    var attributes = query.split('&');\n    var index = 0;\n    var attribute, entry;\n    while (index < attributes.length) {\n      attribute = attributes[index++];\n      if (attribute.length) {\n        entry = attribute.split('=');\n        result.push({\n          key: deserialize(entry.shift()),\n          value: deserialize(entry.join('='))\n        });\n      }\n    }\n  }\n};\n\nvar updateSearchParams = function (query) {\n  this.entries.length = 0;\n  parseSearchParams(this.entries, query);\n};\n\nvar validateArgumentsLength = function (passed, required) {\n  if (passed < required) throw TypeError('Not enough arguments');\n};\n\nvar URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {\n  setInternalState(this, {\n    type: URL_SEARCH_PARAMS_ITERATOR,\n    iterator: getIterator(getInternalParamsState(params).entries),\n    kind: kind\n  });\n}, 'Iterator', function next() {\n  var state = getInternalIteratorState(this);\n  var kind = state.kind;\n  var step = state.iterator.next();\n  var entry = step.value;\n  if (!step.done) {\n    step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];\n  } return step;\n});\n\n// `URLSearchParams` constructor\n// https://url.spec.whatwg.org/#interface-urlsearchparams\nvar URLSearchParamsConstructor = function URLSearchParams(/* init */) {\n  anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);\n  var init = arguments.length > 0 ? arguments[0] : undefined;\n  var that = this;\n  var entries = [];\n  var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;\n\n  setInternalState(that, {\n    type: URL_SEARCH_PARAMS,\n    entries: entries,\n    updateURL: function () { /* empty */ },\n    updateSearchParams: updateSearchParams\n  });\n\n  if (init !== undefined) {\n    if (isObject(init)) {\n      iteratorMethod = getIteratorMethod(init);\n      if (typeof iteratorMethod === 'function') {\n        iterator = iteratorMethod.call(init);\n        next = iterator.next;\n        while (!(step = next.call(iterator)).done) {\n          entryIterator = getIterator(anObject(step.value));\n          entryNext = entryIterator.next;\n          if (\n            (first = entryNext.call(entryIterator)).done ||\n            (second = entryNext.call(entryIterator)).done ||\n            !entryNext.call(entryIterator).done\n          ) throw TypeError('Expected sequence with length 2');\n          entries.push({ key: first.value + '', value: second.value + '' });\n        }\n      } else for (key in init) if (hasOwn(init, key)) entries.push({ key: key, value: init[key] + '' });\n    } else {\n      parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');\n    }\n  }\n};\n\nvar URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;\n\nredefineAll(URLSearchParamsPrototype, {\n  // `URLSearchParams.prototype.appent` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-append\n  append: function append(name, value) {\n    validateArgumentsLength(arguments.length, 2);\n    var state = getInternalParamsState(this);\n    state.entries.push({ key: name + '', value: value + '' });\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.delete` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-delete\n  'delete': function (name) {\n    validateArgumentsLength(arguments.length, 1);\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    var key = name + '';\n    var index = 0;\n    while (index < entries.length) {\n      if (entries[index].key === key) entries.splice(index, 1);\n      else index++;\n    }\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.get` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-get\n  get: function get(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var index = 0;\n    for (; index < entries.length; index++) {\n      if (entries[index].key === key) return entries[index].value;\n    }\n    return null;\n  },\n  // `URLSearchParams.prototype.getAll` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-getall\n  getAll: function getAll(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var result = [];\n    var index = 0;\n    for (; index < entries.length; index++) {\n      if (entries[index].key === key) result.push(entries[index].value);\n    }\n    return result;\n  },\n  // `URLSearchParams.prototype.has` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-has\n  has: function has(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var index = 0;\n    while (index < entries.length) {\n      if (entries[index++].key === key) return true;\n    }\n    return false;\n  },\n  // `URLSearchParams.prototype.set` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-set\n  set: function set(name, value) {\n    validateArgumentsLength(arguments.length, 1);\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    var found = false;\n    var key = name + '';\n    var val = value + '';\n    var index = 0;\n    var entry;\n    for (; index < entries.length; index++) {\n      entry = entries[index];\n      if (entry.key === key) {\n        if (found) entries.splice(index--, 1);\n        else {\n          found = true;\n          entry.value = val;\n        }\n      }\n    }\n    if (!found) entries.push({ key: key, value: val });\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.sort` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-sort\n  sort: function sort() {\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    // Array#sort is not stable in some engines\n    var slice = entries.slice();\n    var entry, entriesIndex, sliceIndex;\n    entries.length = 0;\n    for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {\n      entry = slice[sliceIndex];\n      for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {\n        if (entries[entriesIndex].key > entry.key) {\n          entries.splice(entriesIndex, 0, entry);\n          break;\n        }\n      }\n      if (entriesIndex === sliceIndex) entries.push(entry);\n    }\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.forEach` method\n  forEach: function forEach(callback /* , thisArg */) {\n    var entries = getInternalParamsState(this).entries;\n    var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);\n    var index = 0;\n    var entry;\n    while (index < entries.length) {\n      entry = entries[index++];\n      boundFunction(entry.value, entry.key, this);\n    }\n  },\n  // `URLSearchParams.prototype.keys` method\n  keys: function keys() {\n    return new URLSearchParamsIterator(this, 'keys');\n  },\n  // `URLSearchParams.prototype.values` method\n  values: function values() {\n    return new URLSearchParamsIterator(this, 'values');\n  },\n  // `URLSearchParams.prototype.entries` method\n  entries: function entries() {\n    return new URLSearchParamsIterator(this, 'entries');\n  }\n}, { enumerable: true });\n\n// `URLSearchParams.prototype[@@iterator]` method\nredefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);\n\n// `URLSearchParams.prototype.toString` method\n// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior\nredefine(URLSearchParamsPrototype, 'toString', function toString() {\n  var entries = getInternalParamsState(this).entries;\n  var result = [];\n  var index = 0;\n  var entry;\n  while (index < entries.length) {\n    entry = entries[index++];\n    result.push(serialize(entry.key) + '=' + serialize(entry.value));\n  } return result.join('&');\n}, { enumerable: true });\n\nsetToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);\n\n$({ global: true, forced: !USE_NATIVE_URL }, {\n  URLSearchParams: URLSearchParamsConstructor\n});\n\n// Wrap `fetch` for correct work with polyfilled `URLSearchParams`\n// https://github.com/zloirock/core-js/issues/674\nif (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {\n  $({ global: true, enumerable: true, forced: true }, {\n    fetch: function fetch(input /* , init */) {\n      var args = [input];\n      var init, body, headers;\n      if (arguments.length > 1) {\n        init = arguments[1];\n        if (isObject(init)) {\n          body = init.body;\n          if (classof(body) === URL_SEARCH_PARAMS) {\n            headers = init.headers ? new Headers(init.headers) : new Headers();\n            if (!headers.has('content-type')) {\n              headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');\n            }\n            init = create(init, {\n              body: createPropertyDescriptor(0, String(body)),\n              headers: createPropertyDescriptor(0, headers)\n            });\n          }\n        }\n        args.push(init);\n      } return $fetch.apply(this, args);\n    }\n  });\n}\n\nmodule.exports = {\n  URLSearchParams: URLSearchParamsConstructor,\n  getState: getInternalParamsState\n};\n","var anObject = require('../internals/an-object');\nvar getIteratorMethod = require('../internals/get-iterator-method');\n\nmodule.exports = function (it) {\n  var iteratorMethod = getIteratorMethod(it);\n  if (typeof iteratorMethod != 'function') {\n    throw TypeError(String(it) + ' is not iterable');\n  } return anObject(iteratorMethod.call(it));\n};\n","'use strict';\nvar $ = require('../internals/export');\n\n// `URL.prototype.toJSON` method\n// https://url.spec.whatwg.org/#dom-url-tojson\n$({ target: 'URL', proto: true, enumerable: true }, {\n  toJSON: function toJSON() {\n    return URL.prototype.toString.call(this);\n  }\n});\n","/**\n * web-streams-polyfill v2.1.1\n */\n(function (global, factory) {\n    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n    typeof define === 'function' && define.amd ? define(['exports'], factory) :\n    (global = global || self, factory(global.WebStreamsPolyfill = {}));\n}(this, (function (exports) { 'use strict';\n\n    /// <reference lib=\"es2015.symbol\" />\n    var SymbolPolyfill = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ?\n        Symbol :\n        function (description) { return \"Symbol(\" + description + \")\"; };\n\n    /// <reference lib=\"dom\" />\n    function noop() {\n        // do nothing\n    }\n\n    /// <reference lib=\"es2015.core\" />\n    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN#Polyfill\n    var NumberIsNaN = Number.isNaN || function (x) {\n        // eslint-disable-next-line no-self-compare\n        return x !== x;\n    };\n\n    var rethrowAssertionErrorRejection =  noop;\n\n    function typeIsObject(x) {\n        return (typeof x === 'object' && x !== null) || typeof x === 'function';\n    }\n    function createArrayFromList(elements) {\n        // We use arrays to represent lists, so this is basically a no-op.\n        // Do a slice though just in case we happen to depend on the unique-ness.\n        return elements.slice();\n    }\n    function ArrayBufferCopy(dest, destOffset, src, srcOffset, n) {\n        new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);\n    }\n    function IsFiniteNonNegativeNumber(v) {\n        if (IsNonNegativeNumber(v) === false) {\n            return false;\n        }\n        if (v === Infinity) {\n            return false;\n        }\n        return true;\n    }\n    function IsNonNegativeNumber(v) {\n        if (typeof v !== 'number') {\n            return false;\n        }\n        if (NumberIsNaN(v)) {\n            return false;\n        }\n        if (v < 0) {\n            return false;\n        }\n        return true;\n    }\n    function Call(F, V, args) {\n        if (typeof F !== 'function') {\n            throw new TypeError('Argument is not a function');\n        }\n        return Function.prototype.apply.call(F, V, args);\n    }\n    function CreateAlgorithmFromUnderlyingMethod(underlyingObject, methodName, algoArgCount, extraArgs) {\n        var method = underlyingObject[methodName];\n        if (method !== undefined) {\n            if (typeof method !== 'function') {\n                throw new TypeError(method + \" is not a method\");\n            }\n            switch (algoArgCount) {\n                case 0: {\n                    return function () {\n                        return PromiseCall(method, underlyingObject, extraArgs);\n                    };\n                }\n                case 1: {\n                    return function (arg) {\n                        var fullArgs = [arg].concat(extraArgs);\n                        return PromiseCall(method, underlyingObject, fullArgs);\n                    };\n                }\n            }\n        }\n        return function () { return promiseResolvedWith(undefined); };\n    }\n    function InvokeOrNoop(O, P, args) {\n        var method = O[P];\n        if (method === undefined) {\n            return undefined;\n        }\n        return Call(method, O, args);\n    }\n    function PromiseCall(F, V, args) {\n        try {\n            return promiseResolvedWith(Call(F, V, args));\n        }\n        catch (value) {\n            return promiseRejectedWith(value);\n        }\n    }\n    // Not implemented correctly\n    function TransferArrayBuffer(O) {\n        return O;\n    }\n    // Not implemented correctly\n    function IsDetachedBuffer(O) {\n        return false;\n    }\n    function ValidateAndNormalizeHighWaterMark(highWaterMark) {\n        highWaterMark = Number(highWaterMark);\n        if (NumberIsNaN(highWaterMark) || highWaterMark < 0) {\n            throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');\n        }\n        return highWaterMark;\n    }\n    function MakeSizeAlgorithmFromSizeFunction(size) {\n        if (size === undefined) {\n            return function () { return 1; };\n        }\n        if (typeof size !== 'function') {\n            throw new TypeError('size property of a queuing strategy must be a function');\n        }\n        return function (chunk) { return size(chunk); };\n    }\n    var originalPromise = Promise;\n    var originalPromiseThen = Promise.prototype.then;\n    var originalPromiseResolve = Promise.resolve.bind(originalPromise);\n    var originalPromiseReject = Promise.reject.bind(originalPromise);\n    function newPromise(executor) {\n        return new originalPromise(executor);\n    }\n    function promiseResolvedWith(value) {\n        return originalPromiseResolve(value);\n    }\n    function promiseRejectedWith(reason) {\n        return originalPromiseReject(reason);\n    }\n    function PerformPromiseThen(promise, onFulfilled, onRejected) {\n        // There doesn't appear to be any way to correctly emulate the behaviour from JavaScript, so this is just an\n        // approximation.\n        return originalPromiseThen.call(promise, onFulfilled, onRejected);\n    }\n    function uponPromise(promise, onFulfilled, onRejected) {\n        PerformPromiseThen(PerformPromiseThen(promise, onFulfilled, onRejected), undefined, rethrowAssertionErrorRejection);\n    }\n    function uponFulfillment(promise, onFulfilled) {\n        uponPromise(promise, onFulfilled);\n    }\n    function uponRejection(promise, onRejected) {\n        uponPromise(promise, undefined, onRejected);\n    }\n    function transformPromiseWith(promise, fulfillmentHandler, rejectionHandler) {\n        return PerformPromiseThen(promise, fulfillmentHandler, rejectionHandler);\n    }\n    function setPromiseIsHandledToTrue(promise) {\n        PerformPromiseThen(promise, undefined, rethrowAssertionErrorRejection);\n    }\n\n    // Original from Chromium\n    // https://chromium.googlesource.com/chromium/src/+/0aee4434a4dba42a42abaea9bfbc0cd196a63bc1/third_party/blink/renderer/core/streams/SimpleQueue.js\n    var QUEUE_MAX_ARRAY_SIZE = 16384;\n    /**\n     * Simple queue structure.\n     *\n     * Avoids scalability issues with using a packed array directly by using\n     * multiple arrays in a linked list and keeping the array size bounded.\n     */\n    var SimpleQueue = /** @class */ (function () {\n        function SimpleQueue() {\n            this._cursor = 0;\n            this._size = 0;\n            // _front and _back are always defined.\n            this._front = {\n                _elements: [],\n                _next: undefined\n            };\n            this._back = this._front;\n            // The cursor is used to avoid calling Array.shift().\n            // It contains the index of the front element of the array inside the\n            // front-most node. It is always in the range [0, QUEUE_MAX_ARRAY_SIZE).\n            this._cursor = 0;\n            // When there is only one node, size === elements.length - cursor.\n            this._size = 0;\n        }\n        Object.defineProperty(SimpleQueue.prototype, \"length\", {\n            get: function () {\n                return this._size;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        // For exception safety, this method is structured in order:\n        // 1. Read state\n        // 2. Calculate required state mutations\n        // 3. Perform state mutations\n        SimpleQueue.prototype.push = function (element) {\n            var oldBack = this._back;\n            var newBack = oldBack;\n            if (oldBack._elements.length === QUEUE_MAX_ARRAY_SIZE - 1) {\n                newBack = {\n                    _elements: [],\n                    _next: undefined\n                };\n            }\n            // push() is the mutation most likely to throw an exception, so it\n            // goes first.\n            oldBack._elements.push(element);\n            if (newBack !== oldBack) {\n                this._back = newBack;\n                oldBack._next = newBack;\n            }\n            ++this._size;\n        };\n        // Like push(), shift() follows the read -> calculate -> mutate pattern for\n        // exception safety.\n        SimpleQueue.prototype.shift = function () { // must not be called on an empty queue\n            var oldFront = this._front;\n            var newFront = oldFront;\n            var oldCursor = this._cursor;\n            var newCursor = oldCursor + 1;\n            var elements = oldFront._elements;\n            var element = elements[oldCursor];\n            if (newCursor === QUEUE_MAX_ARRAY_SIZE) {\n                newFront = oldFront._next;\n                newCursor = 0;\n            }\n            // No mutations before this point.\n            --this._size;\n            this._cursor = newCursor;\n            if (oldFront !== newFront) {\n                this._front = newFront;\n            }\n            // Permit shifted element to be garbage collected.\n            elements[oldCursor] = undefined;\n            return element;\n        };\n        // The tricky thing about forEach() is that it can be called\n        // re-entrantly. The queue may be mutated inside the callback. It is easy to\n        // see that push() within the callback has no negative effects since the end\n        // of the queue is checked for on every iteration. If shift() is called\n        // repeatedly within the callback then the next iteration may return an\n        // element that has been removed. In this case the callback will be called\n        // with undefined values until we either \"catch up\" with elements that still\n        // exist or reach the back of the queue.\n        SimpleQueue.prototype.forEach = function (callback) {\n            var i = this._cursor;\n            var node = this._front;\n            var elements = node._elements;\n            while (i !== elements.length || node._next !== undefined) {\n                if (i === elements.length) {\n                    node = node._next;\n                    elements = node._elements;\n                    i = 0;\n                    if (elements.length === 0) {\n                        break;\n                    }\n                }\n                callback(elements[i]);\n                ++i;\n            }\n        };\n        // Return the element that would be returned if shift() was called now,\n        // without modifying the queue.\n        SimpleQueue.prototype.peek = function () { // must not be called on an empty queue\n            var front = this._front;\n            var cursor = this._cursor;\n            return front._elements[cursor];\n        };\n        return SimpleQueue;\n    }());\n\n    function ReadableStreamCreateReadResult(value, done, forAuthorCode) {\n        var prototype = null;\n        if (forAuthorCode === true) {\n            prototype = Object.prototype;\n        }\n        var obj = Object.create(prototype);\n        obj.value = value;\n        obj.done = done;\n        return obj;\n    }\n    function ReadableStreamReaderGenericInitialize(reader, stream) {\n        reader._forAuthorCode = true;\n        reader._ownerReadableStream = stream;\n        stream._reader = reader;\n        if (stream._state === 'readable') {\n            defaultReaderClosedPromiseInitialize(reader);\n        }\n        else if (stream._state === 'closed') {\n            defaultReaderClosedPromiseInitializeAsResolved(reader);\n        }\n        else {\n            defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);\n        }\n    }\n    // A client of ReadableStreamDefaultReader and ReadableStreamBYOBReader may use these functions directly to bypass state\n    // check.\n    function ReadableStreamReaderGenericCancel(reader, reason) {\n        var stream = reader._ownerReadableStream;\n        return ReadableStreamCancel(stream, reason);\n    }\n    function ReadableStreamReaderGenericRelease(reader) {\n        if (reader._ownerReadableStream._state === 'readable') {\n            defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n        }\n        else {\n            defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n        }\n        reader._ownerReadableStream._reader = undefined;\n        reader._ownerReadableStream = undefined;\n    }\n    // Helper functions for the readers.\n    function readerLockException(name) {\n        return new TypeError('Cannot ' + name + ' a stream using a released reader');\n    }\n    // Helper functions for the ReadableStreamDefaultReader.\n    function defaultReaderClosedPromiseInitialize(reader) {\n        reader._closedPromise = newPromise(function (resolve, reject) {\n            reader._closedPromise_resolve = resolve;\n            reader._closedPromise_reject = reject;\n        });\n    }\n    function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {\n        defaultReaderClosedPromiseInitialize(reader);\n        defaultReaderClosedPromiseReject(reader, reason);\n    }\n    function defaultReaderClosedPromiseInitializeAsResolved(reader) {\n        defaultReaderClosedPromiseInitialize(reader);\n        defaultReaderClosedPromiseResolve(reader);\n    }\n    function defaultReaderClosedPromiseReject(reader, reason) {\n        setPromiseIsHandledToTrue(reader._closedPromise);\n        reader._closedPromise_reject(reason);\n        reader._closedPromise_resolve = undefined;\n        reader._closedPromise_reject = undefined;\n    }\n    function defaultReaderClosedPromiseResetToRejected(reader, reason) {\n        defaultReaderClosedPromiseInitializeAsRejected(reader, reason);\n    }\n    function defaultReaderClosedPromiseResolve(reader) {\n        reader._closedPromise_resolve(undefined);\n        reader._closedPromise_resolve = undefined;\n        reader._closedPromise_reject = undefined;\n    }\n\n    var CancelSteps = SymbolPolyfill('[[CancelSteps]]');\n    var PullSteps = SymbolPolyfill('[[PullSteps]]');\n\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamDefaultReader(stream, forAuthorCode) {\n        if (forAuthorCode === void 0) { forAuthorCode = false; }\n        var reader = new ReadableStreamDefaultReader(stream);\n        reader._forAuthorCode = forAuthorCode;\n        return reader;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamAddReadRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var readRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._reader._readRequests.push(readRequest);\n        });\n        return promise;\n    }\n    function ReadableStreamFulfillReadRequest(stream, chunk, done) {\n        var reader = stream._reader;\n        var readRequest = reader._readRequests.shift();\n        readRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));\n    }\n    function ReadableStreamGetNumReadRequests(stream) {\n        return stream._reader._readRequests.length;\n    }\n    function ReadableStreamHasDefaultReader(stream) {\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return false;\n        }\n        if (!IsReadableStreamDefaultReader(reader)) {\n            return false;\n        }\n        return true;\n    }\n    var ReadableStreamDefaultReader = /** @class */ (function () {\n        function ReadableStreamDefaultReader(stream) {\n            if (IsReadableStream(stream) === false) {\n                throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');\n            }\n            if (IsReadableStreamLocked(stream) === true) {\n                throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n            }\n            ReadableStreamReaderGenericInitialize(this, stream);\n            this._readRequests = new SimpleQueue();\n        }\n        Object.defineProperty(ReadableStreamDefaultReader.prototype, \"closed\", {\n            get: function () {\n                if (!IsReadableStreamDefaultReader(this)) {\n                    return promiseRejectedWith(defaultReaderBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamDefaultReader.prototype.cancel = function (reason) {\n            if (!IsReadableStreamDefaultReader(this)) {\n                return promiseRejectedWith(defaultReaderBrandCheckException('cancel'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('cancel'));\n            }\n            return ReadableStreamReaderGenericCancel(this, reason);\n        };\n        ReadableStreamDefaultReader.prototype.read = function () {\n            if (!IsReadableStreamDefaultReader(this)) {\n                return promiseRejectedWith(defaultReaderBrandCheckException('read'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('read from'));\n            }\n            return ReadableStreamDefaultReaderRead(this);\n        };\n        ReadableStreamDefaultReader.prototype.releaseLock = function () {\n            if (!IsReadableStreamDefaultReader(this)) {\n                throw defaultReaderBrandCheckException('releaseLock');\n            }\n            if (this._ownerReadableStream === undefined) {\n                return;\n            }\n            if (this._readRequests.length > 0) {\n                throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n            }\n            ReadableStreamReaderGenericRelease(this);\n        };\n        return ReadableStreamDefaultReader;\n    }());\n    // Abstract operations for the readers.\n    function IsReadableStreamDefaultReader(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultReaderRead(reader) {\n        var stream = reader._ownerReadableStream;\n        stream._disturbed = true;\n        if (stream._state === 'closed') {\n            return promiseResolvedWith(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));\n        }\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        return stream._readableStreamController[PullSteps]();\n    }\n    // Helper functions for the ReadableStreamDefaultReader.\n    function defaultReaderBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamDefaultReader.prototype.\" + name + \" can only be used on a ReadableStreamDefaultReader\");\n    }\n\n    /// <reference lib=\"es2018.asynciterable\" />\n    var _a;\n    var AsyncIteratorPrototype;\n    if (typeof SymbolPolyfill.asyncIterator === 'symbol') {\n        // We're running inside a ES2018+ environment, but we're compiling to an older syntax.\n        // We cannot access %AsyncIteratorPrototype% without non-ES2018 syntax, but we can re-create it.\n        AsyncIteratorPrototype = (_a = {},\n            // 25.1.3.1 %AsyncIteratorPrototype% [ @@asyncIterator ] ( )\n            // https://tc39.github.io/ecma262/#sec-asynciteratorprototype-asynciterator\n            _a[SymbolPolyfill.asyncIterator] = function () {\n                return this;\n            },\n            _a);\n        Object.defineProperty(AsyncIteratorPrototype, SymbolPolyfill.asyncIterator, { enumerable: false });\n    }\n\n    /// <reference lib=\"es2018.asynciterable\" />\n    var ReadableStreamAsyncIteratorPrototype = {\n        next: function () {\n            if (IsReadableStreamAsyncIterator(this) === false) {\n                return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));\n            }\n            var reader = this._asyncIteratorReader;\n            if (reader._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('iterate'));\n            }\n            return transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {\n                var done = result.done;\n                if (done) {\n                    ReadableStreamReaderGenericRelease(reader);\n                }\n                var value = result.value;\n                return ReadableStreamCreateReadResult(value, done, true);\n            });\n        },\n        return: function (value) {\n            if (IsReadableStreamAsyncIterator(this) === false) {\n                return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));\n            }\n            var reader = this._asyncIteratorReader;\n            if (reader._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('finish iterating'));\n            }\n            if (reader._readRequests.length > 0) {\n                return promiseRejectedWith(new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'));\n            }\n            if (this._preventCancel === false) {\n                var result = ReadableStreamReaderGenericCancel(reader, value);\n                ReadableStreamReaderGenericRelease(reader);\n                return transformPromiseWith(result, function () { return ReadableStreamCreateReadResult(value, true, true); });\n            }\n            ReadableStreamReaderGenericRelease(reader);\n            return promiseResolvedWith(ReadableStreamCreateReadResult(value, true, true));\n        }\n    };\n    if (AsyncIteratorPrototype !== undefined) {\n        Object.setPrototypeOf(ReadableStreamAsyncIteratorPrototype, AsyncIteratorPrototype);\n    }\n    Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'next', { enumerable: false });\n    Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'return', { enumerable: false });\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamAsyncIterator(stream, preventCancel) {\n        if (preventCancel === void 0) { preventCancel = false; }\n        var reader = AcquireReadableStreamDefaultReader(stream);\n        var iterator = Object.create(ReadableStreamAsyncIteratorPrototype);\n        iterator._asyncIteratorReader = reader;\n        iterator._preventCancel = Boolean(preventCancel);\n        return iterator;\n    }\n    function IsReadableStreamAsyncIterator(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_asyncIteratorReader')) {\n            return false;\n        }\n        return true;\n    }\n    // Helper functions for the ReadableStream.\n    function streamAsyncIteratorBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamAsyncIterator.\" + name + \" can only be used on a ReadableSteamAsyncIterator\");\n    }\n\n    function DequeueValue(container) {\n        var pair = container._queue.shift();\n        container._queueTotalSize -= pair.size;\n        if (container._queueTotalSize < 0) {\n            container._queueTotalSize = 0;\n        }\n        return pair.value;\n    }\n    function EnqueueValueWithSize(container, value, size) {\n        size = Number(size);\n        if (!IsFiniteNonNegativeNumber(size)) {\n            throw new RangeError('Size must be a finite, non-NaN, non-negative number.');\n        }\n        container._queue.push({ value: value, size: size });\n        container._queueTotalSize += size;\n    }\n    function PeekQueueValue(container) {\n        var pair = container._queue.peek();\n        return pair.value;\n    }\n    function ResetQueue(container) {\n        container._queue = new SimpleQueue();\n        container._queueTotalSize = 0;\n    }\n\n    var AbortSteps = SymbolPolyfill('[[AbortSteps]]');\n    var ErrorSteps = SymbolPolyfill('[[ErrorSteps]]');\n    var WritableStream = /** @class */ (function () {\n        function WritableStream(underlyingSink, strategy) {\n            if (underlyingSink === void 0) { underlyingSink = {}; }\n            if (strategy === void 0) { strategy = {}; }\n            InitializeWritableStream(this);\n            var size = strategy.size;\n            var highWaterMark = strategy.highWaterMark;\n            var type = underlyingSink.type;\n            if (type !== undefined) {\n                throw new RangeError('Invalid type is specified');\n            }\n            var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);\n            if (highWaterMark === undefined) {\n                highWaterMark = 1;\n            }\n            highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n            SetUpWritableStreamDefaultControllerFromUnderlyingSink(this, underlyingSink, highWaterMark, sizeAlgorithm);\n        }\n        Object.defineProperty(WritableStream.prototype, \"locked\", {\n            get: function () {\n                if (IsWritableStream(this) === false) {\n                    throw streamBrandCheckException('locked');\n                }\n                return IsWritableStreamLocked(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        WritableStream.prototype.abort = function (reason) {\n            if (IsWritableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException('abort'));\n            }\n            if (IsWritableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot abort a stream that already has a writer'));\n            }\n            return WritableStreamAbort(this, reason);\n        };\n        WritableStream.prototype.close = function () {\n            if (IsWritableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException('close'));\n            }\n            if (IsWritableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close a stream that already has a writer'));\n            }\n            if (WritableStreamCloseQueuedOrInFlight(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));\n            }\n            return WritableStreamClose(this);\n        };\n        WritableStream.prototype.getWriter = function () {\n            if (IsWritableStream(this) === false) {\n                throw streamBrandCheckException('getWriter');\n            }\n            return AcquireWritableStreamDefaultWriter(this);\n        };\n        return WritableStream;\n    }());\n    // Abstract operations for the WritableStream.\n    function AcquireWritableStreamDefaultWriter(stream) {\n        return new WritableStreamDefaultWriter(stream);\n    }\n    // Throws if and only if startAlgorithm throws.\n    function CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {\n        if (highWaterMark === void 0) { highWaterMark = 1; }\n        if (sizeAlgorithm === void 0) { sizeAlgorithm = function () { return 1; }; }\n        var stream = Object.create(WritableStream.prototype);\n        InitializeWritableStream(stream);\n        var controller = Object.create(WritableStreamDefaultController.prototype);\n        SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);\n        return stream;\n    }\n    function InitializeWritableStream(stream) {\n        stream._state = 'writable';\n        // The error that will be reported by new method calls once the state becomes errored. Only set when [[state]] is\n        // 'erroring' or 'errored'. May be set to an undefined value.\n        stream._storedError = undefined;\n        stream._writer = undefined;\n        // Initialize to undefined first because the constructor of the controller checks this\n        // variable to validate the caller.\n        stream._writableStreamController = undefined;\n        // This queue is placed here instead of the writer class in order to allow for passing a writer to the next data\n        // producer without waiting for the queued writes to finish.\n        stream._writeRequests = new SimpleQueue();\n        // Write requests are removed from _writeRequests when write() is called on the underlying sink. This prevents\n        // them from being erroneously rejected on error. If a write() call is in-flight, the request is stored here.\n        stream._inFlightWriteRequest = undefined;\n        // The promise that was returned from writer.close(). Stored here because it may be fulfilled after the writer\n        // has been detached.\n        stream._closeRequest = undefined;\n        // Close request is removed from _closeRequest when close() is called on the underlying sink. This prevents it\n        // from being erroneously rejected on error. If a close() call is in-flight, the request is stored here.\n        stream._inFlightCloseRequest = undefined;\n        // The promise that was returned from writer.abort(). This may also be fulfilled after the writer has detached.\n        stream._pendingAbortRequest = undefined;\n        // The backpressure signal set by the controller.\n        stream._backpressure = false;\n    }\n    function IsWritableStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function IsWritableStreamLocked(stream) {\n        if (stream._writer === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamAbort(stream, reason) {\n        var state = stream._state;\n        if (state === 'closed' || state === 'errored') {\n            return promiseResolvedWith(undefined);\n        }\n        if (stream._pendingAbortRequest !== undefined) {\n            return stream._pendingAbortRequest._promise;\n        }\n        var wasAlreadyErroring = false;\n        if (state === 'erroring') {\n            wasAlreadyErroring = true;\n            // reason will not be used, so don't keep a reference to it.\n            reason = undefined;\n        }\n        var promise = newPromise(function (resolve, reject) {\n            stream._pendingAbortRequest = {\n                _promise: undefined,\n                _resolve: resolve,\n                _reject: reject,\n                _reason: reason,\n                _wasAlreadyErroring: wasAlreadyErroring\n            };\n        });\n        stream._pendingAbortRequest._promise = promise;\n        if (wasAlreadyErroring === false) {\n            WritableStreamStartErroring(stream, reason);\n        }\n        return promise;\n    }\n    function WritableStreamClose(stream) {\n        var state = stream._state;\n        if (state === 'closed' || state === 'errored') {\n            return promiseRejectedWith(new TypeError(\"The stream (in \" + state + \" state) is not in the writable state and cannot be closed\"));\n        }\n        var promise = newPromise(function (resolve, reject) {\n            var closeRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._closeRequest = closeRequest;\n        });\n        var writer = stream._writer;\n        if (writer !== undefined && stream._backpressure === true && state === 'writable') {\n            defaultWriterReadyPromiseResolve(writer);\n        }\n        WritableStreamDefaultControllerClose(stream._writableStreamController);\n        return promise;\n    }\n    // WritableStream API exposed for controllers.\n    function WritableStreamAddWriteRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var writeRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._writeRequests.push(writeRequest);\n        });\n        return promise;\n    }\n    function WritableStreamDealWithRejection(stream, error) {\n        var state = stream._state;\n        if (state === 'writable') {\n            WritableStreamStartErroring(stream, error);\n            return;\n        }\n        WritableStreamFinishErroring(stream);\n    }\n    function WritableStreamStartErroring(stream, reason) {\n        var controller = stream._writableStreamController;\n        stream._state = 'erroring';\n        stream._storedError = reason;\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);\n        }\n        if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {\n            WritableStreamFinishErroring(stream);\n        }\n    }\n    function WritableStreamFinishErroring(stream) {\n        stream._state = 'errored';\n        stream._writableStreamController[ErrorSteps]();\n        var storedError = stream._storedError;\n        stream._writeRequests.forEach(function (writeRequest) {\n            writeRequest._reject(storedError);\n        });\n        stream._writeRequests = new SimpleQueue();\n        if (stream._pendingAbortRequest === undefined) {\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n            return;\n        }\n        var abortRequest = stream._pendingAbortRequest;\n        stream._pendingAbortRequest = undefined;\n        if (abortRequest._wasAlreadyErroring === true) {\n            abortRequest._reject(storedError);\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n            return;\n        }\n        var promise = stream._writableStreamController[AbortSteps](abortRequest._reason);\n        uponPromise(promise, function () {\n            abortRequest._resolve();\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n        }, function (reason) {\n            abortRequest._reject(reason);\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n        });\n    }\n    function WritableStreamFinishInFlightWrite(stream) {\n        stream._inFlightWriteRequest._resolve(undefined);\n        stream._inFlightWriteRequest = undefined;\n    }\n    function WritableStreamFinishInFlightWriteWithError(stream, error) {\n        stream._inFlightWriteRequest._reject(error);\n        stream._inFlightWriteRequest = undefined;\n        WritableStreamDealWithRejection(stream, error);\n    }\n    function WritableStreamFinishInFlightClose(stream) {\n        stream._inFlightCloseRequest._resolve(undefined);\n        stream._inFlightCloseRequest = undefined;\n        var state = stream._state;\n        if (state === 'erroring') {\n            // The error was too late to do anything, so it is ignored.\n            stream._storedError = undefined;\n            if (stream._pendingAbortRequest !== undefined) {\n                stream._pendingAbortRequest._resolve();\n                stream._pendingAbortRequest = undefined;\n            }\n        }\n        stream._state = 'closed';\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            defaultWriterClosedPromiseResolve(writer);\n        }\n    }\n    function WritableStreamFinishInFlightCloseWithError(stream, error) {\n        stream._inFlightCloseRequest._reject(error);\n        stream._inFlightCloseRequest = undefined;\n        // Never execute sink abort() after sink close().\n        if (stream._pendingAbortRequest !== undefined) {\n            stream._pendingAbortRequest._reject(error);\n            stream._pendingAbortRequest = undefined;\n        }\n        WritableStreamDealWithRejection(stream, error);\n    }\n    // TODO(ricea): Fix alphabetical order.\n    function WritableStreamCloseQueuedOrInFlight(stream) {\n        if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamHasOperationMarkedInFlight(stream) {\n        if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamMarkCloseRequestInFlight(stream) {\n        stream._inFlightCloseRequest = stream._closeRequest;\n        stream._closeRequest = undefined;\n    }\n    function WritableStreamMarkFirstWriteRequestInFlight(stream) {\n        stream._inFlightWriteRequest = stream._writeRequests.shift();\n    }\n    function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {\n        if (stream._closeRequest !== undefined) {\n            stream._closeRequest._reject(stream._storedError);\n            stream._closeRequest = undefined;\n        }\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            defaultWriterClosedPromiseReject(writer, stream._storedError);\n        }\n    }\n    function WritableStreamUpdateBackpressure(stream, backpressure) {\n        var writer = stream._writer;\n        if (writer !== undefined && backpressure !== stream._backpressure) {\n            if (backpressure === true) {\n                defaultWriterReadyPromiseReset(writer);\n            }\n            else {\n                defaultWriterReadyPromiseResolve(writer);\n            }\n        }\n        stream._backpressure = backpressure;\n    }\n    var WritableStreamDefaultWriter = /** @class */ (function () {\n        function WritableStreamDefaultWriter(stream) {\n            if (IsWritableStream(stream) === false) {\n                throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');\n            }\n            if (IsWritableStreamLocked(stream) === true) {\n                throw new TypeError('This stream has already been locked for exclusive writing by another writer');\n            }\n            this._ownerWritableStream = stream;\n            stream._writer = this;\n            var state = stream._state;\n            if (state === 'writable') {\n                if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {\n                    defaultWriterReadyPromiseInitialize(this);\n                }\n                else {\n                    defaultWriterReadyPromiseInitializeAsResolved(this);\n                }\n                defaultWriterClosedPromiseInitialize(this);\n            }\n            else if (state === 'erroring') {\n                defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);\n                defaultWriterClosedPromiseInitialize(this);\n            }\n            else if (state === 'closed') {\n                defaultWriterReadyPromiseInitializeAsResolved(this);\n                defaultWriterClosedPromiseInitializeAsResolved(this);\n            }\n            else {\n                var storedError = stream._storedError;\n                defaultWriterReadyPromiseInitializeAsRejected(this, storedError);\n                defaultWriterClosedPromiseInitializeAsRejected(this, storedError);\n            }\n        }\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"closed\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    return promiseRejectedWith(defaultWriterBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    throw defaultWriterBrandCheckException('desiredSize');\n                }\n                if (this._ownerWritableStream === undefined) {\n                    throw defaultWriterLockException('desiredSize');\n                }\n                return WritableStreamDefaultWriterGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"ready\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    return promiseRejectedWith(defaultWriterBrandCheckException('ready'));\n                }\n                return this._readyPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        WritableStreamDefaultWriter.prototype.abort = function (reason) {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('abort'));\n            }\n            if (this._ownerWritableStream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('abort'));\n            }\n            return WritableStreamDefaultWriterAbort(this, reason);\n        };\n        WritableStreamDefaultWriter.prototype.close = function () {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('close'));\n            }\n            var stream = this._ownerWritableStream;\n            if (stream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('close'));\n            }\n            if (WritableStreamCloseQueuedOrInFlight(stream) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));\n            }\n            return WritableStreamDefaultWriterClose(this);\n        };\n        WritableStreamDefaultWriter.prototype.releaseLock = function () {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                throw defaultWriterBrandCheckException('releaseLock');\n            }\n            var stream = this._ownerWritableStream;\n            if (stream === undefined) {\n                return;\n            }\n            WritableStreamDefaultWriterRelease(this);\n        };\n        WritableStreamDefaultWriter.prototype.write = function (chunk) {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('write'));\n            }\n            if (this._ownerWritableStream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('write to'));\n            }\n            return WritableStreamDefaultWriterWrite(this, chunk);\n        };\n        return WritableStreamDefaultWriter;\n    }());\n    // Abstract operations for the WritableStreamDefaultWriter.\n    function IsWritableStreamDefaultWriter(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {\n            return false;\n        }\n        return true;\n    }\n    // A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.\n    function WritableStreamDefaultWriterAbort(writer, reason) {\n        var stream = writer._ownerWritableStream;\n        return WritableStreamAbort(stream, reason);\n    }\n    function WritableStreamDefaultWriterClose(writer) {\n        var stream = writer._ownerWritableStream;\n        return WritableStreamClose(stream);\n    }\n    function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {\n        var stream = writer._ownerWritableStream;\n        var state = stream._state;\n        if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n            return promiseResolvedWith(undefined);\n        }\n        if (state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        return WritableStreamDefaultWriterClose(writer);\n    }\n    function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {\n        if (writer._closedPromiseState === 'pending') {\n            defaultWriterClosedPromiseReject(writer, error);\n        }\n        else {\n            defaultWriterClosedPromiseResetToRejected(writer, error);\n        }\n    }\n    function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {\n        if (writer._readyPromiseState === 'pending') {\n            defaultWriterReadyPromiseReject(writer, error);\n        }\n        else {\n            defaultWriterReadyPromiseResetToRejected(writer, error);\n        }\n    }\n    function WritableStreamDefaultWriterGetDesiredSize(writer) {\n        var stream = writer._ownerWritableStream;\n        var state = stream._state;\n        if (state === 'errored' || state === 'erroring') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);\n    }\n    function WritableStreamDefaultWriterRelease(writer) {\n        var stream = writer._ownerWritableStream;\n        var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\\'s closedness');\n        WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);\n        // The state transitions to \"errored\" before the sink abort() method runs, but the writer.closed promise is not\n        // rejected until afterwards. This means that simply testing state will not work.\n        WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);\n        stream._writer = undefined;\n        writer._ownerWritableStream = undefined;\n    }\n    function WritableStreamDefaultWriterWrite(writer, chunk) {\n        var stream = writer._ownerWritableStream;\n        var controller = stream._writableStreamController;\n        var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);\n        if (stream !== writer._ownerWritableStream) {\n            return promiseRejectedWith(defaultWriterLockException('write to'));\n        }\n        var state = stream._state;\n        if (state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n            return promiseRejectedWith(new TypeError('The stream is closing or closed and cannot be written to'));\n        }\n        if (state === 'erroring') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        var promise = WritableStreamAddWriteRequest(stream);\n        WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);\n        return promise;\n    }\n    var WritableStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function WritableStreamDefaultController() {\n            throw new TypeError('WritableStreamDefaultController cannot be constructed explicitly');\n        }\n        WritableStreamDefaultController.prototype.error = function (e) {\n            if (IsWritableStreamDefaultController(this) === false) {\n                throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');\n            }\n            var state = this._controlledWritableStream._state;\n            if (state !== 'writable') {\n                // The stream is closed, errored or will be soon. The sink can't do anything useful if it gets an error here, so\n                // just treat it as a no-op.\n                return;\n            }\n            WritableStreamDefaultControllerError(this, e);\n        };\n        /** @internal */\n        WritableStreamDefaultController.prototype[AbortSteps] = function (reason) {\n            var result = this._abortAlgorithm(reason);\n            WritableStreamDefaultControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        WritableStreamDefaultController.prototype[ErrorSteps] = function () {\n            ResetQueue(this);\n        };\n        return WritableStreamDefaultController;\n    }());\n    // Abstract operations implementing interface required by the WritableStream.\n    function IsWritableStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledWritableStream')) {\n            return false;\n        }\n        return true;\n    }\n    function SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {\n        controller._controlledWritableStream = stream;\n        stream._writableStreamController = controller;\n        // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n        controller._queue = undefined;\n        controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._started = false;\n        controller._strategySizeAlgorithm = sizeAlgorithm;\n        controller._strategyHWM = highWaterMark;\n        controller._writeAlgorithm = writeAlgorithm;\n        controller._closeAlgorithm = closeAlgorithm;\n        controller._abortAlgorithm = abortAlgorithm;\n        var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n        WritableStreamUpdateBackpressure(stream, backpressure);\n        var startResult = startAlgorithm();\n        var startPromise = promiseResolvedWith(startResult);\n        uponPromise(startPromise, function () {\n            controller._started = true;\n            WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n        }, function (r) {\n            controller._started = true;\n            WritableStreamDealWithRejection(stream, r);\n        });\n    }\n    function SetUpWritableStreamDefaultControllerFromUnderlyingSink(stream, underlyingSink, highWaterMark, sizeAlgorithm) {\n        var controller = Object.create(WritableStreamDefaultController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingSink, 'start', [controller]);\n        }\n        var writeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'write', 1, [controller]);\n        var closeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'close', 0, []);\n        var abortAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'abort', 1, []);\n        SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);\n    }\n    // ClearAlgorithms may be called twice. Erroring the same stream in multiple ways will often result in redundant calls.\n    function WritableStreamDefaultControllerClearAlgorithms(controller) {\n        controller._writeAlgorithm = undefined;\n        controller._closeAlgorithm = undefined;\n        controller._abortAlgorithm = undefined;\n        controller._strategySizeAlgorithm = undefined;\n    }\n    function WritableStreamDefaultControllerClose(controller) {\n        EnqueueValueWithSize(controller, 'close', 0);\n        WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n    }\n    function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {\n        try {\n            return controller._strategySizeAlgorithm(chunk);\n        }\n        catch (chunkSizeE) {\n            WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n            return 1;\n        }\n    }\n    function WritableStreamDefaultControllerGetDesiredSize(controller) {\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {\n        var writeRecord = { chunk: chunk };\n        try {\n            EnqueueValueWithSize(controller, writeRecord, chunkSize);\n        }\n        catch (enqueueE) {\n            WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n            return;\n        }\n        var stream = controller._controlledWritableStream;\n        if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {\n            var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n            WritableStreamUpdateBackpressure(stream, backpressure);\n        }\n        WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n    }\n    // Abstract operations for the WritableStreamDefaultController.\n    function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {\n        var stream = controller._controlledWritableStream;\n        if (controller._started === false) {\n            return;\n        }\n        if (stream._inFlightWriteRequest !== undefined) {\n            return;\n        }\n        var state = stream._state;\n        if (state === 'erroring') {\n            WritableStreamFinishErroring(stream);\n            return;\n        }\n        if (controller._queue.length === 0) {\n            return;\n        }\n        var writeRecord = PeekQueueValue(controller);\n        if (writeRecord === 'close') {\n            WritableStreamDefaultControllerProcessClose(controller);\n        }\n        else {\n            WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);\n        }\n    }\n    function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {\n        if (controller._controlledWritableStream._state === 'writable') {\n            WritableStreamDefaultControllerError(controller, error);\n        }\n    }\n    function WritableStreamDefaultControllerProcessClose(controller) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamMarkCloseRequestInFlight(stream);\n        DequeueValue(controller);\n        var sinkClosePromise = controller._closeAlgorithm();\n        WritableStreamDefaultControllerClearAlgorithms(controller);\n        uponPromise(sinkClosePromise, function () {\n            WritableStreamFinishInFlightClose(stream);\n        }, function (reason) {\n            WritableStreamFinishInFlightCloseWithError(stream, reason);\n        });\n    }\n    function WritableStreamDefaultControllerProcessWrite(controller, chunk) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamMarkFirstWriteRequestInFlight(stream);\n        var sinkWritePromise = controller._writeAlgorithm(chunk);\n        uponPromise(sinkWritePromise, function () {\n            WritableStreamFinishInFlightWrite(stream);\n            var state = stream._state;\n            DequeueValue(controller);\n            if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {\n                var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n                WritableStreamUpdateBackpressure(stream, backpressure);\n            }\n            WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n        }, function (reason) {\n            if (stream._state === 'writable') {\n                WritableStreamDefaultControllerClearAlgorithms(controller);\n            }\n            WritableStreamFinishInFlightWriteWithError(stream, reason);\n        });\n    }\n    function WritableStreamDefaultControllerGetBackpressure(controller) {\n        var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);\n        return desiredSize <= 0;\n    }\n    // A client of WritableStreamDefaultController may use these functions directly to bypass state check.\n    function WritableStreamDefaultControllerError(controller, error) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamDefaultControllerClearAlgorithms(controller);\n        WritableStreamStartErroring(stream, error);\n    }\n    // Helper functions for the WritableStream.\n    function streamBrandCheckException(name) {\n        return new TypeError(\"WritableStream.prototype.\" + name + \" can only be used on a WritableStream\");\n    }\n    // Helper functions for the WritableStreamDefaultWriter.\n    function defaultWriterBrandCheckException(name) {\n        return new TypeError(\"WritableStreamDefaultWriter.prototype.\" + name + \" can only be used on a WritableStreamDefaultWriter\");\n    }\n    function defaultWriterLockException(name) {\n        return new TypeError('Cannot ' + name + ' a stream using a released writer');\n    }\n    function defaultWriterClosedPromiseInitialize(writer) {\n        writer._closedPromise = newPromise(function (resolve, reject) {\n            writer._closedPromise_resolve = resolve;\n            writer._closedPromise_reject = reject;\n            writer._closedPromiseState = 'pending';\n        });\n    }\n    function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {\n        defaultWriterClosedPromiseInitialize(writer);\n        defaultWriterClosedPromiseReject(writer, reason);\n    }\n    function defaultWriterClosedPromiseInitializeAsResolved(writer) {\n        defaultWriterClosedPromiseInitialize(writer);\n        defaultWriterClosedPromiseResolve(writer);\n    }\n    function defaultWriterClosedPromiseReject(writer, reason) {\n        setPromiseIsHandledToTrue(writer._closedPromise);\n        writer._closedPromise_reject(reason);\n        writer._closedPromise_resolve = undefined;\n        writer._closedPromise_reject = undefined;\n        writer._closedPromiseState = 'rejected';\n    }\n    function defaultWriterClosedPromiseResetToRejected(writer, reason) {\n        defaultWriterClosedPromiseInitializeAsRejected(writer, reason);\n    }\n    function defaultWriterClosedPromiseResolve(writer) {\n        writer._closedPromise_resolve(undefined);\n        writer._closedPromise_resolve = undefined;\n        writer._closedPromise_reject = undefined;\n        writer._closedPromiseState = 'resolved';\n    }\n    function defaultWriterReadyPromiseInitialize(writer) {\n        writer._readyPromise = newPromise(function (resolve, reject) {\n            writer._readyPromise_resolve = resolve;\n            writer._readyPromise_reject = reject;\n        });\n        writer._readyPromiseState = 'pending';\n    }\n    function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {\n        defaultWriterReadyPromiseInitialize(writer);\n        defaultWriterReadyPromiseReject(writer, reason);\n    }\n    function defaultWriterReadyPromiseInitializeAsResolved(writer) {\n        defaultWriterReadyPromiseInitialize(writer);\n        defaultWriterReadyPromiseResolve(writer);\n    }\n    function defaultWriterReadyPromiseReject(writer, reason) {\n        setPromiseIsHandledToTrue(writer._readyPromise);\n        writer._readyPromise_reject(reason);\n        writer._readyPromise_resolve = undefined;\n        writer._readyPromise_reject = undefined;\n        writer._readyPromiseState = 'rejected';\n    }\n    function defaultWriterReadyPromiseReset(writer) {\n        defaultWriterReadyPromiseInitialize(writer);\n    }\n    function defaultWriterReadyPromiseResetToRejected(writer, reason) {\n        defaultWriterReadyPromiseInitializeAsRejected(writer, reason);\n    }\n    function defaultWriterReadyPromiseResolve(writer) {\n        writer._readyPromise_resolve(undefined);\n        writer._readyPromise_resolve = undefined;\n        writer._readyPromise_reject = undefined;\n        writer._readyPromiseState = 'fulfilled';\n    }\n\n    function isAbortSignal(value) {\n        if (typeof value !== 'object' || value === null) {\n            return false;\n        }\n        try {\n            return typeof value.aborted === 'boolean';\n        }\n        catch (_a) {\n            // AbortSignal.prototype.aborted throws if its brand check fails\n            return false;\n        }\n    }\n\n    /// <reference lib=\"dom\" />\n    var NativeDOMException = typeof DOMException !== 'undefined' ? DOMException : undefined;\n\n    /// <reference types=\"node\" />\n    function isDOMExceptionConstructor(ctor) {\n        if (!(typeof ctor === 'function' || typeof ctor === 'object')) {\n            return false;\n        }\n        try {\n            new ctor();\n            return true;\n        }\n        catch (_a) {\n            return false;\n        }\n    }\n    function createDOMExceptionPolyfill() {\n        var ctor = function DOMException(message, name) {\n            this.message = message || '';\n            this.name = name || 'Error';\n            if (Error.captureStackTrace) {\n                Error.captureStackTrace(this, this.constructor);\n            }\n        };\n        ctor.prototype = Object.create(Error.prototype);\n        Object.defineProperty(ctor.prototype, 'constructor', { value: ctor, writable: true, configurable: true });\n        return ctor;\n    }\n    var DOMException$1 = isDOMExceptionConstructor(NativeDOMException) ? NativeDOMException : createDOMExceptionPolyfill();\n\n    function ReadableStreamPipeTo(source, dest, preventClose, preventAbort, preventCancel, signal) {\n        var reader = AcquireReadableStreamDefaultReader(source);\n        var writer = AcquireWritableStreamDefaultWriter(dest);\n        source._disturbed = true;\n        var shuttingDown = false;\n        // This is used to keep track of the spec's requirement that we wait for ongoing writes during shutdown.\n        var currentWrite = promiseResolvedWith(undefined);\n        return newPromise(function (resolve, reject) {\n            var abortAlgorithm;\n            if (signal !== undefined) {\n                abortAlgorithm = function () {\n                    var error = new DOMException$1('Aborted', 'AbortError');\n                    var actions = [];\n                    if (preventAbort === false) {\n                        actions.push(function () {\n                            if (dest._state === 'writable') {\n                                return WritableStreamAbort(dest, error);\n                            }\n                            return promiseResolvedWith(undefined);\n                        });\n                    }\n                    if (preventCancel === false) {\n                        actions.push(function () {\n                            if (source._state === 'readable') {\n                                return ReadableStreamCancel(source, error);\n                            }\n                            return promiseResolvedWith(undefined);\n                        });\n                    }\n                    shutdownWithAction(function () { return Promise.all(actions.map(function (action) { return action(); })); }, true, error);\n                };\n                if (signal.aborted === true) {\n                    abortAlgorithm();\n                    return;\n                }\n                signal.addEventListener('abort', abortAlgorithm);\n            }\n            // Using reader and writer, read all chunks from this and write them to dest\n            // - Backpressure must be enforced\n            // - Shutdown must stop all activity\n            function pipeLoop() {\n                return newPromise(function (resolveLoop, rejectLoop) {\n                    function next(done) {\n                        if (done) {\n                            resolveLoop();\n                        }\n                        else {\n                            // Use `PerformPromiseThen` instead of `uponPromise` to avoid\n                            // adding unnecessary `.catch(rethrowAssertionErrorRejection)` handlers\n                            PerformPromiseThen(pipeStep(), next, rejectLoop);\n                        }\n                    }\n                    next(false);\n                });\n            }\n            function pipeStep() {\n                if (shuttingDown === true) {\n                    return promiseResolvedWith(true);\n                }\n                return PerformPromiseThen(writer._readyPromise, function () {\n                    return PerformPromiseThen(ReadableStreamDefaultReaderRead(reader), function (result) {\n                        if (result.done === true) {\n                            return true;\n                        }\n                        currentWrite = PerformPromiseThen(WritableStreamDefaultWriterWrite(writer, result.value), undefined, noop);\n                        return false;\n                    });\n                });\n            }\n            // Errors must be propagated forward\n            isOrBecomesErrored(source, reader._closedPromise, function (storedError) {\n                if (preventAbort === false) {\n                    shutdownWithAction(function () { return WritableStreamAbort(dest, storedError); }, true, storedError);\n                }\n                else {\n                    shutdown(true, storedError);\n                }\n            });\n            // Errors must be propagated backward\n            isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {\n                if (preventCancel === false) {\n                    shutdownWithAction(function () { return ReadableStreamCancel(source, storedError); }, true, storedError);\n                }\n                else {\n                    shutdown(true, storedError);\n                }\n            });\n            // Closing must be propagated forward\n            isOrBecomesClosed(source, reader._closedPromise, function () {\n                if (preventClose === false) {\n                    shutdownWithAction(function () { return WritableStreamDefaultWriterCloseWithErrorPropagation(writer); });\n                }\n                else {\n                    shutdown();\n                }\n            });\n            // Closing must be propagated backward\n            if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {\n                var destClosed_1 = new TypeError('the destination writable stream closed before all data could be piped to it');\n                if (preventCancel === false) {\n                    shutdownWithAction(function () { return ReadableStreamCancel(source, destClosed_1); }, true, destClosed_1);\n                }\n                else {\n                    shutdown(true, destClosed_1);\n                }\n            }\n            setPromiseIsHandledToTrue(pipeLoop());\n            function waitForWritesToFinish() {\n                // Another write may have started while we were waiting on this currentWrite, so we have to be sure to wait\n                // for that too.\n                var oldCurrentWrite = currentWrite;\n                return PerformPromiseThen(currentWrite, function () { return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined; });\n            }\n            function isOrBecomesErrored(stream, promise, action) {\n                if (stream._state === 'errored') {\n                    action(stream._storedError);\n                }\n                else {\n                    uponRejection(promise, action);\n                }\n            }\n            function isOrBecomesClosed(stream, promise, action) {\n                if (stream._state === 'closed') {\n                    action();\n                }\n                else {\n                    uponFulfillment(promise, action);\n                }\n            }\n            function shutdownWithAction(action, originalIsError, originalError) {\n                if (shuttingDown === true) {\n                    return;\n                }\n                shuttingDown = true;\n                if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n                    uponFulfillment(waitForWritesToFinish(), doTheRest);\n                }\n                else {\n                    doTheRest();\n                }\n                function doTheRest() {\n                    uponPromise(action(), function () { return finalize(originalIsError, originalError); }, function (newError) { return finalize(true, newError); });\n                }\n            }\n            function shutdown(isError, error) {\n                if (shuttingDown === true) {\n                    return;\n                }\n                shuttingDown = true;\n                if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n                    uponFulfillment(waitForWritesToFinish(), function () { return finalize(isError, error); });\n                }\n                else {\n                    finalize(isError, error);\n                }\n            }\n            function finalize(isError, error) {\n                WritableStreamDefaultWriterRelease(writer);\n                ReadableStreamReaderGenericRelease(reader);\n                if (signal !== undefined) {\n                    signal.removeEventListener('abort', abortAlgorithm);\n                }\n                if (isError) {\n                    reject(error);\n                }\n                else {\n                    resolve(undefined);\n                }\n            }\n        });\n    }\n\n    var ReadableStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function ReadableStreamDefaultController() {\n            throw new TypeError();\n        }\n        Object.defineProperty(ReadableStreamDefaultController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsReadableStreamDefaultController(this) === false) {\n                    throw defaultControllerBrandCheckException('desiredSize');\n                }\n                return ReadableStreamDefaultControllerGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamDefaultController.prototype.close = function () {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('close');\n            }\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {\n                throw new TypeError('The stream is not in a state that permits close');\n            }\n            ReadableStreamDefaultControllerClose(this);\n        };\n        ReadableStreamDefaultController.prototype.enqueue = function (chunk) {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('enqueue');\n            }\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {\n                throw new TypeError('The stream is not in a state that permits enqueue');\n            }\n            return ReadableStreamDefaultControllerEnqueue(this, chunk);\n        };\n        ReadableStreamDefaultController.prototype.error = function (e) {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('error');\n            }\n            ReadableStreamDefaultControllerError(this, e);\n        };\n        /** @internal */\n        ReadableStreamDefaultController.prototype[CancelSteps] = function (reason) {\n            ResetQueue(this);\n            var result = this._cancelAlgorithm(reason);\n            ReadableStreamDefaultControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        ReadableStreamDefaultController.prototype[PullSteps] = function () {\n            var stream = this._controlledReadableStream;\n            if (this._queue.length > 0) {\n                var chunk = DequeueValue(this);\n                if (this._closeRequested === true && this._queue.length === 0) {\n                    ReadableStreamDefaultControllerClearAlgorithms(this);\n                    ReadableStreamClose(stream);\n                }\n                else {\n                    ReadableStreamDefaultControllerCallPullIfNeeded(this);\n                }\n                return promiseResolvedWith(ReadableStreamCreateReadResult(chunk, false, stream._reader._forAuthorCode));\n            }\n            var pendingPromise = ReadableStreamAddReadRequest(stream);\n            ReadableStreamDefaultControllerCallPullIfNeeded(this);\n            return pendingPromise;\n        };\n        return ReadableStreamDefaultController;\n    }());\n    // Abstract operations for the ReadableStreamDefaultController.\n    function IsReadableStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableStream')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {\n        var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);\n        if (shouldPull === false) {\n            return;\n        }\n        if (controller._pulling === true) {\n            controller._pullAgain = true;\n            return;\n        }\n        controller._pulling = true;\n        var pullPromise = controller._pullAlgorithm();\n        uponPromise(pullPromise, function () {\n            controller._pulling = false;\n            if (controller._pullAgain === true) {\n                controller._pullAgain = false;\n                ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n            }\n        }, function (e) {\n            ReadableStreamDefaultControllerError(controller, e);\n        });\n    }\n    function ReadableStreamDefaultControllerShouldCallPull(controller) {\n        var stream = controller._controlledReadableStream;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) === false) {\n            return false;\n        }\n        if (controller._started === false) {\n            return false;\n        }\n        if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            return true;\n        }\n        var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n        if (desiredSize > 0) {\n            return true;\n        }\n        return false;\n    }\n    function ReadableStreamDefaultControllerClearAlgorithms(controller) {\n        controller._pullAlgorithm = undefined;\n        controller._cancelAlgorithm = undefined;\n        controller._strategySizeAlgorithm = undefined;\n    }\n    // A client of ReadableStreamDefaultController may use these functions directly to bypass state check.\n    function ReadableStreamDefaultControllerClose(controller) {\n        var stream = controller._controlledReadableStream;\n        controller._closeRequested = true;\n        if (controller._queue.length === 0) {\n            ReadableStreamDefaultControllerClearAlgorithms(controller);\n            ReadableStreamClose(stream);\n        }\n    }\n    function ReadableStreamDefaultControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledReadableStream;\n        if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            ReadableStreamFulfillReadRequest(stream, chunk, false);\n        }\n        else {\n            var chunkSize = void 0;\n            try {\n                chunkSize = controller._strategySizeAlgorithm(chunk);\n            }\n            catch (chunkSizeE) {\n                ReadableStreamDefaultControllerError(controller, chunkSizeE);\n                throw chunkSizeE;\n            }\n            try {\n                EnqueueValueWithSize(controller, chunk, chunkSize);\n            }\n            catch (enqueueE) {\n                ReadableStreamDefaultControllerError(controller, enqueueE);\n                throw enqueueE;\n            }\n        }\n        ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n    }\n    function ReadableStreamDefaultControllerError(controller, e) {\n        var stream = controller._controlledReadableStream;\n        if (stream._state !== 'readable') {\n            return;\n        }\n        ResetQueue(controller);\n        ReadableStreamDefaultControllerClearAlgorithms(controller);\n        ReadableStreamError(stream, e);\n    }\n    function ReadableStreamDefaultControllerGetDesiredSize(controller) {\n        var stream = controller._controlledReadableStream;\n        var state = stream._state;\n        if (state === 'errored') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    // This is used in the implementation of TransformStream.\n    function ReadableStreamDefaultControllerHasBackpressure(controller) {\n        if (ReadableStreamDefaultControllerShouldCallPull(controller) === true) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) {\n        var state = controller._controlledReadableStream._state;\n        if (controller._closeRequested === false && state === 'readable') {\n            return true;\n        }\n        return false;\n    }\n    function SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {\n        controller._controlledReadableStream = stream;\n        controller._queue = undefined;\n        controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._started = false;\n        controller._closeRequested = false;\n        controller._pullAgain = false;\n        controller._pulling = false;\n        controller._strategySizeAlgorithm = sizeAlgorithm;\n        controller._strategyHWM = highWaterMark;\n        controller._pullAlgorithm = pullAlgorithm;\n        controller._cancelAlgorithm = cancelAlgorithm;\n        stream._readableStreamController = controller;\n        var startResult = startAlgorithm();\n        uponPromise(promiseResolvedWith(startResult), function () {\n            controller._started = true;\n            ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n        }, function (r) {\n            ReadableStreamDefaultControllerError(controller, r);\n        });\n    }\n    function SetUpReadableStreamDefaultControllerFromUnderlyingSource(stream, underlyingSource, highWaterMark, sizeAlgorithm) {\n        var controller = Object.create(ReadableStreamDefaultController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingSource, 'start', [controller]);\n        }\n        var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'pull', 0, [controller]);\n        var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'cancel', 1, []);\n        SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);\n    }\n    // Helper functions for the ReadableStreamDefaultController.\n    function defaultControllerBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamDefaultController.prototype.\" + name + \" can only be used on a ReadableStreamDefaultController\");\n    }\n\n    function ReadableStreamTee(stream, cloneForBranch2) {\n        var reader = AcquireReadableStreamDefaultReader(stream);\n        var reading = false;\n        var canceled1 = false;\n        var canceled2 = false;\n        var reason1;\n        var reason2;\n        var branch1;\n        var branch2;\n        var resolveCancelPromise;\n        var cancelPromise = newPromise(function (resolve) {\n            resolveCancelPromise = resolve;\n        });\n        function pullAlgorithm() {\n            if (reading === true) {\n                return promiseResolvedWith(undefined);\n            }\n            reading = true;\n            var readPromise = transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {\n                reading = false;\n                var done = result.done;\n                if (done === true) {\n                    if (canceled1 === false) {\n                        ReadableStreamDefaultControllerClose(branch1._readableStreamController);\n                    }\n                    if (canceled2 === false) {\n                        ReadableStreamDefaultControllerClose(branch2._readableStreamController);\n                    }\n                    return;\n                }\n                var value = result.value;\n                var value1 = value;\n                var value2 = value;\n                // There is no way to access the cloning code right now in the reference implementation.\n                // If we add one then we'll need an implementation for serializable objects.\n                // if (canceled2 === false && cloneForBranch2 === true) {\n                //   value2 = StructuredDeserialize(StructuredSerialize(value2));\n                // }\n                if (canceled1 === false) {\n                    ReadableStreamDefaultControllerEnqueue(branch1._readableStreamController, value1);\n                }\n                if (canceled2 === false) {\n                    ReadableStreamDefaultControllerEnqueue(branch2._readableStreamController, value2);\n                }\n            });\n            setPromiseIsHandledToTrue(readPromise);\n            return promiseResolvedWith(undefined);\n        }\n        function cancel1Algorithm(reason) {\n            canceled1 = true;\n            reason1 = reason;\n            if (canceled2 === true) {\n                var compositeReason = createArrayFromList([reason1, reason2]);\n                var cancelResult = ReadableStreamCancel(stream, compositeReason);\n                resolveCancelPromise(cancelResult);\n            }\n            return cancelPromise;\n        }\n        function cancel2Algorithm(reason) {\n            canceled2 = true;\n            reason2 = reason;\n            if (canceled1 === true) {\n                var compositeReason = createArrayFromList([reason1, reason2]);\n                var cancelResult = ReadableStreamCancel(stream, compositeReason);\n                resolveCancelPromise(cancelResult);\n            }\n            return cancelPromise;\n        }\n        function startAlgorithm() { }\n        branch1 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel1Algorithm);\n        branch2 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel2Algorithm);\n        uponRejection(reader._closedPromise, function (r) {\n            ReadableStreamDefaultControllerError(branch1._readableStreamController, r);\n            ReadableStreamDefaultControllerError(branch2._readableStreamController, r);\n        });\n        return [branch1, branch2];\n    }\n\n    /// <reference lib=\"es2015.core\" />\n    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger#Polyfill\n    var NumberIsInteger = Number.isInteger || function (value) {\n        return typeof value === 'number' &&\n            isFinite(value) &&\n            Math.floor(value) === value;\n    };\n\n    var ReadableStreamBYOBRequest = /** @class */ (function () {\n        /** @internal */\n        function ReadableStreamBYOBRequest() {\n            throw new TypeError('ReadableStreamBYOBRequest cannot be used directly');\n        }\n        Object.defineProperty(ReadableStreamBYOBRequest.prototype, \"view\", {\n            get: function () {\n                if (IsReadableStreamBYOBRequest(this) === false) {\n                    throw byobRequestBrandCheckException('view');\n                }\n                return this._view;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamBYOBRequest.prototype.respond = function (bytesWritten) {\n            if (IsReadableStreamBYOBRequest(this) === false) {\n                throw byobRequestBrandCheckException('respond');\n            }\n            if (this._associatedReadableByteStreamController === undefined) {\n                throw new TypeError('This BYOB request has been invalidated');\n            }\n            if (IsDetachedBuffer(this._view.buffer) === true) ;\n            ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);\n        };\n        ReadableStreamBYOBRequest.prototype.respondWithNewView = function (view) {\n            if (IsReadableStreamBYOBRequest(this) === false) {\n                throw byobRequestBrandCheckException('respond');\n            }\n            if (this._associatedReadableByteStreamController === undefined) {\n                throw new TypeError('This BYOB request has been invalidated');\n            }\n            if (!ArrayBuffer.isView(view)) {\n                throw new TypeError('You can only respond with array buffer views');\n            }\n            if (IsDetachedBuffer(view.buffer) === true) ;\n            ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);\n        };\n        return ReadableStreamBYOBRequest;\n    }());\n    var ReadableByteStreamController = /** @class */ (function () {\n        /** @internal */\n        function ReadableByteStreamController() {\n            throw new TypeError('ReadableByteStreamController constructor cannot be used directly');\n        }\n        Object.defineProperty(ReadableByteStreamController.prototype, \"byobRequest\", {\n            get: function () {\n                if (IsReadableByteStreamController(this) === false) {\n                    throw byteStreamControllerBrandCheckException('byobRequest');\n                }\n                if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {\n                    var firstDescriptor = this._pendingPullIntos.peek();\n                    var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);\n                    var byobRequest = Object.create(ReadableStreamBYOBRequest.prototype);\n                    SetUpReadableStreamBYOBRequest(byobRequest, this, view);\n                    this._byobRequest = byobRequest;\n                }\n                return this._byobRequest;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(ReadableByteStreamController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsReadableByteStreamController(this) === false) {\n                    throw byteStreamControllerBrandCheckException('desiredSize');\n                }\n                return ReadableByteStreamControllerGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableByteStreamController.prototype.close = function () {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('close');\n            }\n            if (this._closeRequested === true) {\n                throw new TypeError('The stream has already been closed; do not close it again!');\n            }\n            var state = this._controlledReadableByteStream._state;\n            if (state !== 'readable') {\n                throw new TypeError(\"The stream (in \" + state + \" state) is not in the readable state and cannot be closed\");\n            }\n            ReadableByteStreamControllerClose(this);\n        };\n        ReadableByteStreamController.prototype.enqueue = function (chunk) {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('enqueue');\n            }\n            if (this._closeRequested === true) {\n                throw new TypeError('stream is closed or draining');\n            }\n            var state = this._controlledReadableByteStream._state;\n            if (state !== 'readable') {\n                throw new TypeError(\"The stream (in \" + state + \" state) is not in the readable state and cannot be enqueued to\");\n            }\n            if (!ArrayBuffer.isView(chunk)) {\n                throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');\n            }\n            if (IsDetachedBuffer(chunk.buffer) === true) ;\n            ReadableByteStreamControllerEnqueue(this, chunk);\n        };\n        ReadableByteStreamController.prototype.error = function (e) {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('error');\n            }\n            ReadableByteStreamControllerError(this, e);\n        };\n        /** @internal */\n        ReadableByteStreamController.prototype[CancelSteps] = function (reason) {\n            if (this._pendingPullIntos.length > 0) {\n                var firstDescriptor = this._pendingPullIntos.peek();\n                firstDescriptor.bytesFilled = 0;\n            }\n            ResetQueue(this);\n            var result = this._cancelAlgorithm(reason);\n            ReadableByteStreamControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        ReadableByteStreamController.prototype[PullSteps] = function () {\n            var stream = this._controlledReadableByteStream;\n            if (this._queueTotalSize > 0) {\n                var entry = this._queue.shift();\n                this._queueTotalSize -= entry.byteLength;\n                ReadableByteStreamControllerHandleQueueDrain(this);\n                var view = void 0;\n                try {\n                    view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);\n                }\n                catch (viewE) {\n                    return promiseRejectedWith(viewE);\n                }\n                return promiseResolvedWith(ReadableStreamCreateReadResult(view, false, stream._reader._forAuthorCode));\n            }\n            var autoAllocateChunkSize = this._autoAllocateChunkSize;\n            if (autoAllocateChunkSize !== undefined) {\n                var buffer = void 0;\n                try {\n                    buffer = new ArrayBuffer(autoAllocateChunkSize);\n                }\n                catch (bufferE) {\n                    return promiseRejectedWith(bufferE);\n                }\n                var pullIntoDescriptor = {\n                    buffer: buffer,\n                    byteOffset: 0,\n                    byteLength: autoAllocateChunkSize,\n                    bytesFilled: 0,\n                    elementSize: 1,\n                    ctor: Uint8Array,\n                    readerType: 'default'\n                };\n                this._pendingPullIntos.push(pullIntoDescriptor);\n            }\n            var promise = ReadableStreamAddReadRequest(stream);\n            ReadableByteStreamControllerCallPullIfNeeded(this);\n            return promise;\n        };\n        return ReadableByteStreamController;\n    }());\n    // Abstract operations for the ReadableByteStreamController.\n    function IsReadableByteStreamController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableByteStream')) {\n            return false;\n        }\n        return true;\n    }\n    function IsReadableStreamBYOBRequest(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableByteStreamControllerCallPullIfNeeded(controller) {\n        var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);\n        if (shouldPull === false) {\n            return;\n        }\n        if (controller._pulling === true) {\n            controller._pullAgain = true;\n            return;\n        }\n        controller._pulling = true;\n        // TODO: Test controller argument\n        var pullPromise = controller._pullAlgorithm();\n        uponPromise(pullPromise, function () {\n            controller._pulling = false;\n            if (controller._pullAgain === true) {\n                controller._pullAgain = false;\n                ReadableByteStreamControllerCallPullIfNeeded(controller);\n            }\n        }, function (e) {\n            ReadableByteStreamControllerError(controller, e);\n        });\n    }\n    function ReadableByteStreamControllerClearPendingPullIntos(controller) {\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        controller._pendingPullIntos = new SimpleQueue();\n    }\n    function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {\n        var done = false;\n        if (stream._state === 'closed') {\n            done = true;\n        }\n        var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n        if (pullIntoDescriptor.readerType === 'default') {\n            ReadableStreamFulfillReadRequest(stream, filledView, done);\n        }\n        else {\n            ReadableStreamFulfillReadIntoRequest(stream, filledView, done);\n        }\n    }\n    function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {\n        var bytesFilled = pullIntoDescriptor.bytesFilled;\n        var elementSize = pullIntoDescriptor.elementSize;\n        return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);\n    }\n    function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {\n        controller._queue.push({ buffer: buffer, byteOffset: byteOffset, byteLength: byteLength });\n        controller._queueTotalSize += byteLength;\n    }\n    function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {\n        var elementSize = pullIntoDescriptor.elementSize;\n        var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;\n        var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);\n        var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;\n        var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;\n        var totalBytesToCopyRemaining = maxBytesToCopy;\n        var ready = false;\n        if (maxAlignedBytes > currentAlignedBytes) {\n            totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;\n            ready = true;\n        }\n        var queue = controller._queue;\n        while (totalBytesToCopyRemaining > 0) {\n            var headOfQueue = queue.peek();\n            var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);\n            var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n            ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);\n            if (headOfQueue.byteLength === bytesToCopy) {\n                queue.shift();\n            }\n            else {\n                headOfQueue.byteOffset += bytesToCopy;\n                headOfQueue.byteLength -= bytesToCopy;\n            }\n            controller._queueTotalSize -= bytesToCopy;\n            ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);\n            totalBytesToCopyRemaining -= bytesToCopy;\n        }\n        return ready;\n    }\n    function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        pullIntoDescriptor.bytesFilled += size;\n    }\n    function ReadableByteStreamControllerHandleQueueDrain(controller) {\n        if (controller._queueTotalSize === 0 && controller._closeRequested === true) {\n            ReadableByteStreamControllerClearAlgorithms(controller);\n            ReadableStreamClose(controller._controlledReadableByteStream);\n        }\n        else {\n            ReadableByteStreamControllerCallPullIfNeeded(controller);\n        }\n    }\n    function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {\n        if (controller._byobRequest === undefined) {\n            return;\n        }\n        controller._byobRequest._associatedReadableByteStreamController = undefined;\n        controller._byobRequest._view = undefined;\n        controller._byobRequest = undefined;\n    }\n    function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {\n        while (controller._pendingPullIntos.length > 0) {\n            if (controller._queueTotalSize === 0) {\n                return;\n            }\n            var pullIntoDescriptor = controller._pendingPullIntos.peek();\n            if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n                ReadableByteStreamControllerShiftPendingPullInto(controller);\n                ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);\n            }\n        }\n    }\n    function ReadableByteStreamControllerPullInto(controller, view) {\n        var stream = controller._controlledReadableByteStream;\n        var elementSize = 1;\n        if (view.constructor !== DataView) {\n            elementSize = view.constructor.BYTES_PER_ELEMENT;\n        }\n        var ctor = view.constructor;\n        var buffer = TransferArrayBuffer(view.buffer);\n        var pullIntoDescriptor = {\n            buffer: buffer,\n            byteOffset: view.byteOffset,\n            byteLength: view.byteLength,\n            bytesFilled: 0,\n            elementSize: elementSize,\n            ctor: ctor,\n            readerType: 'byob'\n        };\n        if (controller._pendingPullIntos.length > 0) {\n            controller._pendingPullIntos.push(pullIntoDescriptor);\n            // No ReadableByteStreamControllerCallPullIfNeeded() call since:\n            // - No change happens on desiredSize\n            // - The source has already been notified of that there's at least 1 pending read(view)\n            return ReadableStreamAddReadIntoRequest(stream);\n        }\n        if (stream._state === 'closed') {\n            var emptyView = new ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);\n            return promiseResolvedWith(ReadableStreamCreateReadResult(emptyView, true, stream._reader._forAuthorCode));\n        }\n        if (controller._queueTotalSize > 0) {\n            if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n                var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n                ReadableByteStreamControllerHandleQueueDrain(controller);\n                return promiseResolvedWith(ReadableStreamCreateReadResult(filledView, false, stream._reader._forAuthorCode));\n            }\n            if (controller._closeRequested === true) {\n                var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n                ReadableByteStreamControllerError(controller, e);\n                return promiseRejectedWith(e);\n            }\n        }\n        controller._pendingPullIntos.push(pullIntoDescriptor);\n        var promise = ReadableStreamAddReadIntoRequest(stream);\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n        return promise;\n    }\n    function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {\n        firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);\n        var stream = controller._controlledReadableByteStream;\n        if (ReadableStreamHasBYOBReader(stream) === true) {\n            while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n                var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);\n                ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);\n            }\n        }\n    }\n    function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {\n        if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {\n            throw new RangeError('bytesWritten out of range');\n        }\n        ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);\n        if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {\n            // TODO: Figure out whether we should detach the buffer or not here.\n            return;\n        }\n        ReadableByteStreamControllerShiftPendingPullInto(controller);\n        var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;\n        if (remainderSize > 0) {\n            var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n            var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);\n        }\n        pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n        pullIntoDescriptor.bytesFilled -= remainderSize;\n        ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);\n        ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n    }\n    function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {\n        var firstDescriptor = controller._pendingPullIntos.peek();\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state === 'closed') {\n            if (bytesWritten !== 0) {\n                throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');\n            }\n            ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);\n        }\n        else {\n            ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);\n        }\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n    }\n    function ReadableByteStreamControllerShiftPendingPullInto(controller) {\n        var descriptor = controller._pendingPullIntos.shift();\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        return descriptor;\n    }\n    function ReadableByteStreamControllerShouldCallPull(controller) {\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state !== 'readable') {\n            return false;\n        }\n        if (controller._closeRequested === true) {\n            return false;\n        }\n        if (controller._started === false) {\n            return false;\n        }\n        if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            return true;\n        }\n        if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n            return true;\n        }\n        var desiredSize = ReadableByteStreamControllerGetDesiredSize(controller);\n        if (desiredSize > 0) {\n            return true;\n        }\n        return false;\n    }\n    function ReadableByteStreamControllerClearAlgorithms(controller) {\n        controller._pullAlgorithm = undefined;\n        controller._cancelAlgorithm = undefined;\n    }\n    // A client of ReadableByteStreamController may use these functions directly to bypass state check.\n    function ReadableByteStreamControllerClose(controller) {\n        var stream = controller._controlledReadableByteStream;\n        if (controller._queueTotalSize > 0) {\n            controller._closeRequested = true;\n            return;\n        }\n        if (controller._pendingPullIntos.length > 0) {\n            var firstPendingPullInto = controller._pendingPullIntos.peek();\n            if (firstPendingPullInto.bytesFilled > 0) {\n                var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n                ReadableByteStreamControllerError(controller, e);\n                throw e;\n            }\n        }\n        ReadableByteStreamControllerClearAlgorithms(controller);\n        ReadableStreamClose(stream);\n    }\n    function ReadableByteStreamControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledReadableByteStream;\n        var buffer = chunk.buffer;\n        var byteOffset = chunk.byteOffset;\n        var byteLength = chunk.byteLength;\n        var transferredBuffer = TransferArrayBuffer(buffer);\n        if (ReadableStreamHasDefaultReader(stream) === true) {\n            if (ReadableStreamGetNumReadRequests(stream) === 0) {\n                ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n            }\n            else {\n                var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);\n                ReadableStreamFulfillReadRequest(stream, transferredView, false);\n            }\n        }\n        else if (ReadableStreamHasBYOBReader(stream) === true) {\n            // TODO: Ideally in this branch detaching should happen only if the buffer is not consumed fully.\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n            ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n        }\n        else {\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n        }\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n    }\n    function ReadableByteStreamControllerError(controller, e) {\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state !== 'readable') {\n            return;\n        }\n        ReadableByteStreamControllerClearPendingPullIntos(controller);\n        ResetQueue(controller);\n        ReadableByteStreamControllerClearAlgorithms(controller);\n        ReadableStreamError(stream, e);\n    }\n    function ReadableByteStreamControllerGetDesiredSize(controller) {\n        var stream = controller._controlledReadableByteStream;\n        var state = stream._state;\n        if (state === 'errored') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    function ReadableByteStreamControllerRespond(controller, bytesWritten) {\n        bytesWritten = Number(bytesWritten);\n        if (IsFiniteNonNegativeNumber(bytesWritten) === false) {\n            throw new RangeError('bytesWritten must be a finite');\n        }\n        ReadableByteStreamControllerRespondInternal(controller, bytesWritten);\n    }\n    function ReadableByteStreamControllerRespondWithNewView(controller, view) {\n        var firstDescriptor = controller._pendingPullIntos.peek();\n        if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {\n            throw new RangeError('The region specified by view does not match byobRequest');\n        }\n        if (firstDescriptor.byteLength !== view.byteLength) {\n            throw new RangeError('The buffer of view has different capacity than byobRequest');\n        }\n        firstDescriptor.buffer = view.buffer;\n        ReadableByteStreamControllerRespondInternal(controller, view.byteLength);\n    }\n    function SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize) {\n        controller._controlledReadableByteStream = stream;\n        controller._pullAgain = false;\n        controller._pulling = false;\n        controller._byobRequest = undefined;\n        // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n        controller._queue = controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._closeRequested = false;\n        controller._started = false;\n        controller._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);\n        controller._pullAlgorithm = pullAlgorithm;\n        controller._cancelAlgorithm = cancelAlgorithm;\n        controller._autoAllocateChunkSize = autoAllocateChunkSize;\n        controller._pendingPullIntos = new SimpleQueue();\n        stream._readableStreamController = controller;\n        var startResult = startAlgorithm();\n        uponPromise(promiseResolvedWith(startResult), function () {\n            controller._started = true;\n            ReadableByteStreamControllerCallPullIfNeeded(controller);\n        }, function (r) {\n            ReadableByteStreamControllerError(controller, r);\n        });\n    }\n    function SetUpReadableByteStreamControllerFromUnderlyingSource(stream, underlyingByteSource, highWaterMark) {\n        var controller = Object.create(ReadableByteStreamController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingByteSource, 'start', [controller]);\n        }\n        var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'pull', 0, [controller]);\n        var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'cancel', 1, []);\n        var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;\n        if (autoAllocateChunkSize !== undefined) {\n            autoAllocateChunkSize = Number(autoAllocateChunkSize);\n            if (NumberIsInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {\n                throw new RangeError('autoAllocateChunkSize must be a positive integer');\n            }\n        }\n        SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize);\n    }\n    function SetUpReadableStreamBYOBRequest(request, controller, view) {\n        request._associatedReadableByteStreamController = controller;\n        request._view = view;\n    }\n    // Helper functions for the ReadableStreamBYOBRequest.\n    function byobRequestBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamBYOBRequest.prototype.\" + name + \" can only be used on a ReadableStreamBYOBRequest\");\n    }\n    // Helper functions for the ReadableByteStreamController.\n    function byteStreamControllerBrandCheckException(name) {\n        return new TypeError(\"ReadableByteStreamController.prototype.\" + name + \" can only be used on a ReadableByteStreamController\");\n    }\n\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamBYOBReader(stream, forAuthorCode) {\n        if (forAuthorCode === void 0) { forAuthorCode = false; }\n        var reader = new ReadableStreamBYOBReader(stream);\n        reader._forAuthorCode = forAuthorCode;\n        return reader;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamAddReadIntoRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var readIntoRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._reader._readIntoRequests.push(readIntoRequest);\n        });\n        return promise;\n    }\n    function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {\n        var reader = stream._reader;\n        var readIntoRequest = reader._readIntoRequests.shift();\n        readIntoRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));\n    }\n    function ReadableStreamGetNumReadIntoRequests(stream) {\n        return stream._reader._readIntoRequests.length;\n    }\n    function ReadableStreamHasBYOBReader(stream) {\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return false;\n        }\n        if (!IsReadableStreamBYOBReader(reader)) {\n            return false;\n        }\n        return true;\n    }\n    var ReadableStreamBYOBReader = /** @class */ (function () {\n        function ReadableStreamBYOBReader(stream) {\n            if (!IsReadableStream(stream)) {\n                throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' +\n                    'byte source');\n            }\n            if (IsReadableByteStreamController(stream._readableStreamController) === false) {\n                throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' +\n                    'source');\n            }\n            if (IsReadableStreamLocked(stream)) {\n                throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n            }\n            ReadableStreamReaderGenericInitialize(this, stream);\n            this._readIntoRequests = new SimpleQueue();\n        }\n        Object.defineProperty(ReadableStreamBYOBReader.prototype, \"closed\", {\n            get: function () {\n                if (!IsReadableStreamBYOBReader(this)) {\n                    return promiseRejectedWith(byobReaderBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamBYOBReader.prototype.cancel = function (reason) {\n            if (!IsReadableStreamBYOBReader(this)) {\n                return promiseRejectedWith(byobReaderBrandCheckException('cancel'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('cancel'));\n            }\n            return ReadableStreamReaderGenericCancel(this, reason);\n        };\n        ReadableStreamBYOBReader.prototype.read = function (view) {\n            if (!IsReadableStreamBYOBReader(this)) {\n                return promiseRejectedWith(byobReaderBrandCheckException('read'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('read from'));\n            }\n            if (!ArrayBuffer.isView(view)) {\n                return promiseRejectedWith(new TypeError('view must be an array buffer view'));\n            }\n            if (IsDetachedBuffer(view.buffer) === true) ;\n            if (view.byteLength === 0) {\n                return promiseRejectedWith(new TypeError('view must have non-zero byteLength'));\n            }\n            return ReadableStreamBYOBReaderRead(this, view);\n        };\n        ReadableStreamBYOBReader.prototype.releaseLock = function () {\n            if (!IsReadableStreamBYOBReader(this)) {\n                throw byobReaderBrandCheckException('releaseLock');\n            }\n            if (this._ownerReadableStream === undefined) {\n                return;\n            }\n            if (this._readIntoRequests.length > 0) {\n                throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n            }\n            ReadableStreamReaderGenericRelease(this);\n        };\n        return ReadableStreamBYOBReader;\n    }());\n    // Abstract operations for the readers.\n    function IsReadableStreamBYOBReader(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamBYOBReaderRead(reader, view) {\n        var stream = reader._ownerReadableStream;\n        stream._disturbed = true;\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        // Controllers must implement this.\n        return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);\n    }\n    // Helper functions for the ReadableStreamBYOBReader.\n    function byobReaderBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamBYOBReader.prototype.\" + name + \" can only be used on a ReadableStreamBYOBReader\");\n    }\n\n    var ReadableStream = /** @class */ (function () {\n        function ReadableStream(underlyingSource, strategy) {\n            if (underlyingSource === void 0) { underlyingSource = {}; }\n            if (strategy === void 0) { strategy = {}; }\n            InitializeReadableStream(this);\n            var size = strategy.size;\n            var highWaterMark = strategy.highWaterMark;\n            var type = underlyingSource.type;\n            var typeString = String(type);\n            if (typeString === 'bytes') {\n                if (size !== undefined) {\n                    throw new RangeError('The strategy for a byte stream cannot have a size function');\n                }\n                if (highWaterMark === undefined) {\n                    highWaterMark = 0;\n                }\n                highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n                SetUpReadableByteStreamControllerFromUnderlyingSource(this, underlyingSource, highWaterMark);\n            }\n            else if (type === undefined) {\n                var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);\n                if (highWaterMark === undefined) {\n                    highWaterMark = 1;\n                }\n                highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n                SetUpReadableStreamDefaultControllerFromUnderlyingSource(this, underlyingSource, highWaterMark, sizeAlgorithm);\n            }\n            else {\n                throw new RangeError('Invalid type is specified');\n            }\n        }\n        Object.defineProperty(ReadableStream.prototype, \"locked\", {\n            get: function () {\n                if (IsReadableStream(this) === false) {\n                    throw streamBrandCheckException$1('locked');\n                }\n                return IsReadableStreamLocked(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStream.prototype.cancel = function (reason) {\n            if (IsReadableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException$1('cancel'));\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot cancel a stream that already has a reader'));\n            }\n            return ReadableStreamCancel(this, reason);\n        };\n        ReadableStream.prototype.getReader = function (_a) {\n            var mode = (_a === void 0 ? {} : _a).mode;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('getReader');\n            }\n            if (mode === undefined) {\n                return AcquireReadableStreamDefaultReader(this, true);\n            }\n            mode = String(mode);\n            if (mode === 'byob') {\n                return AcquireReadableStreamBYOBReader(this, true);\n            }\n            throw new RangeError('Invalid mode is specified');\n        };\n        ReadableStream.prototype.pipeThrough = function (_a, _b) {\n            var writable = _a.writable, readable = _a.readable;\n            var _c = _b === void 0 ? {} : _b, preventClose = _c.preventClose, preventAbort = _c.preventAbort, preventCancel = _c.preventCancel, signal = _c.signal;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('pipeThrough');\n            }\n            if (IsWritableStream(writable) === false) {\n                throw new TypeError('writable argument to pipeThrough must be a WritableStream');\n            }\n            if (IsReadableStream(readable) === false) {\n                throw new TypeError('readable argument to pipeThrough must be a ReadableStream');\n            }\n            preventClose = Boolean(preventClose);\n            preventAbort = Boolean(preventAbort);\n            preventCancel = Boolean(preventCancel);\n            if (signal !== undefined && !isAbortSignal(signal)) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough\\'s signal option must be an AbortSignal');\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream');\n            }\n            if (IsWritableStreamLocked(writable) === true) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream');\n            }\n            var promise = ReadableStreamPipeTo(this, writable, preventClose, preventAbort, preventCancel, signal);\n            setPromiseIsHandledToTrue(promise);\n            return readable;\n        };\n        ReadableStream.prototype.pipeTo = function (dest, _a) {\n            var _b = _a === void 0 ? {} : _a, preventClose = _b.preventClose, preventAbort = _b.preventAbort, preventCancel = _b.preventCancel, signal = _b.signal;\n            if (IsReadableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException$1('pipeTo'));\n            }\n            if (IsWritableStream(dest) === false) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\\'s first argument must be a WritableStream'));\n            }\n            preventClose = Boolean(preventClose);\n            preventAbort = Boolean(preventAbort);\n            preventCancel = Boolean(preventCancel);\n            if (signal !== undefined && !isAbortSignal(signal)) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\\'s signal option must be an AbortSignal'));\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));\n            }\n            if (IsWritableStreamLocked(dest) === true) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));\n            }\n            return ReadableStreamPipeTo(this, dest, preventClose, preventAbort, preventCancel, signal);\n        };\n        ReadableStream.prototype.tee = function () {\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('tee');\n            }\n            var branches = ReadableStreamTee(this);\n            return createArrayFromList(branches);\n        };\n        ReadableStream.prototype.getIterator = function (_a) {\n            var _b = (_a === void 0 ? {} : _a).preventCancel, preventCancel = _b === void 0 ? false : _b;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('getIterator');\n            }\n            return AcquireReadableStreamAsyncIterator(this, preventCancel);\n        };\n        return ReadableStream;\n    }());\n    if (typeof SymbolPolyfill.asyncIterator === 'symbol') {\n        Object.defineProperty(ReadableStream.prototype, SymbolPolyfill.asyncIterator, {\n            value: ReadableStream.prototype.getIterator,\n            enumerable: false,\n            writable: true,\n            configurable: true\n        });\n    }\n    // Abstract operations for the ReadableStream.\n    // Throws if and only if startAlgorithm throws.\n    function CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {\n        if (highWaterMark === void 0) { highWaterMark = 1; }\n        if (sizeAlgorithm === void 0) { sizeAlgorithm = function () { return 1; }; }\n        var stream = Object.create(ReadableStream.prototype);\n        InitializeReadableStream(stream);\n        var controller = Object.create(ReadableStreamDefaultController.prototype);\n        SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);\n        return stream;\n    }\n    function InitializeReadableStream(stream) {\n        stream._state = 'readable';\n        stream._reader = undefined;\n        stream._storedError = undefined;\n        stream._disturbed = false;\n    }\n    function IsReadableStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function IsReadableStreamLocked(stream) {\n        if (stream._reader === undefined) {\n            return false;\n        }\n        return true;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamCancel(stream, reason) {\n        stream._disturbed = true;\n        if (stream._state === 'closed') {\n            return promiseResolvedWith(undefined);\n        }\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        ReadableStreamClose(stream);\n        var sourceCancelPromise = stream._readableStreamController[CancelSteps](reason);\n        return transformPromiseWith(sourceCancelPromise, noop);\n    }\n    function ReadableStreamClose(stream) {\n        stream._state = 'closed';\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return;\n        }\n        if (IsReadableStreamDefaultReader(reader)) {\n            reader._readRequests.forEach(function (readRequest) {\n                readRequest._resolve(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));\n            });\n            reader._readRequests = new SimpleQueue();\n        }\n        defaultReaderClosedPromiseResolve(reader);\n    }\n    function ReadableStreamError(stream, e) {\n        stream._state = 'errored';\n        stream._storedError = e;\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return;\n        }\n        if (IsReadableStreamDefaultReader(reader)) {\n            reader._readRequests.forEach(function (readRequest) {\n                readRequest._reject(e);\n            });\n            reader._readRequests = new SimpleQueue();\n        }\n        else {\n            reader._readIntoRequests.forEach(function (readIntoRequest) {\n                readIntoRequest._reject(e);\n            });\n            reader._readIntoRequests = new SimpleQueue();\n        }\n        defaultReaderClosedPromiseReject(reader, e);\n    }\n    // Helper functions for the ReadableStream.\n    function streamBrandCheckException$1(name) {\n        return new TypeError(\"ReadableStream.prototype.\" + name + \" can only be used on a ReadableStream\");\n    }\n\n    var ByteLengthQueuingStrategy = /** @class */ (function () {\n        function ByteLengthQueuingStrategy(_a) {\n            var highWaterMark = _a.highWaterMark;\n            this.highWaterMark = highWaterMark;\n        }\n        ByteLengthQueuingStrategy.prototype.size = function (chunk) {\n            return chunk.byteLength;\n        };\n        return ByteLengthQueuingStrategy;\n    }());\n\n    var CountQueuingStrategy = /** @class */ (function () {\n        function CountQueuingStrategy(_a) {\n            var highWaterMark = _a.highWaterMark;\n            this.highWaterMark = highWaterMark;\n        }\n        CountQueuingStrategy.prototype.size = function () {\n            return 1;\n        };\n        return CountQueuingStrategy;\n    }());\n\n    // Class TransformStream\n    var TransformStream = /** @class */ (function () {\n        function TransformStream(transformer, writableStrategy, readableStrategy) {\n            if (transformer === void 0) { transformer = {}; }\n            if (writableStrategy === void 0) { writableStrategy = {}; }\n            if (readableStrategy === void 0) { readableStrategy = {}; }\n            var writableSizeFunction = writableStrategy.size;\n            var writableHighWaterMark = writableStrategy.highWaterMark;\n            var readableSizeFunction = readableStrategy.size;\n            var readableHighWaterMark = readableStrategy.highWaterMark;\n            var writableType = transformer.writableType;\n            if (writableType !== undefined) {\n                throw new RangeError('Invalid writable type specified');\n            }\n            var writableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(writableSizeFunction);\n            if (writableHighWaterMark === undefined) {\n                writableHighWaterMark = 1;\n            }\n            writableHighWaterMark = ValidateAndNormalizeHighWaterMark(writableHighWaterMark);\n            var readableType = transformer.readableType;\n            if (readableType !== undefined) {\n                throw new RangeError('Invalid readable type specified');\n            }\n            var readableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(readableSizeFunction);\n            if (readableHighWaterMark === undefined) {\n                readableHighWaterMark = 0;\n            }\n            readableHighWaterMark = ValidateAndNormalizeHighWaterMark(readableHighWaterMark);\n            var startPromise_resolve;\n            var startPromise = newPromise(function (resolve) {\n                startPromise_resolve = resolve;\n            });\n            InitializeTransformStream(this, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm);\n            SetUpTransformStreamDefaultControllerFromTransformer(this, transformer);\n            var startResult = InvokeOrNoop(transformer, 'start', [this._transformStreamController]);\n            startPromise_resolve(startResult);\n        }\n        Object.defineProperty(TransformStream.prototype, \"readable\", {\n            get: function () {\n                if (IsTransformStream(this) === false) {\n                    throw streamBrandCheckException$2('readable');\n                }\n                return this._readable;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(TransformStream.prototype, \"writable\", {\n            get: function () {\n                if (IsTransformStream(this) === false) {\n                    throw streamBrandCheckException$2('writable');\n                }\n                return this._writable;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        return TransformStream;\n    }());\n    function InitializeTransformStream(stream, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm) {\n        function startAlgorithm() {\n            return startPromise;\n        }\n        function writeAlgorithm(chunk) {\n            return TransformStreamDefaultSinkWriteAlgorithm(stream, chunk);\n        }\n        function abortAlgorithm(reason) {\n            return TransformStreamDefaultSinkAbortAlgorithm(stream, reason);\n        }\n        function closeAlgorithm() {\n            return TransformStreamDefaultSinkCloseAlgorithm(stream);\n        }\n        stream._writable = CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, writableHighWaterMark, writableSizeAlgorithm);\n        function pullAlgorithm() {\n            return TransformStreamDefaultSourcePullAlgorithm(stream);\n        }\n        function cancelAlgorithm(reason) {\n            TransformStreamErrorWritableAndUnblockWrite(stream, reason);\n            return promiseResolvedWith(undefined);\n        }\n        stream._readable = CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, readableHighWaterMark, readableSizeAlgorithm);\n        // The [[backpressure]] slot is set to undefined so that it can be initialised by TransformStreamSetBackpressure.\n        stream._backpressure = undefined;\n        stream._backpressureChangePromise = undefined;\n        stream._backpressureChangePromise_resolve = undefined;\n        TransformStreamSetBackpressure(stream, true);\n        // Used by IsWritableStream() which is called by SetUpTransformStreamDefaultController().\n        stream._transformStreamController = undefined;\n    }\n    function IsTransformStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    // This is a no-op if both sides are already errored.\n    function TransformStreamError(stream, e) {\n        ReadableStreamDefaultControllerError(stream._readable._readableStreamController, e);\n        TransformStreamErrorWritableAndUnblockWrite(stream, e);\n    }\n    function TransformStreamErrorWritableAndUnblockWrite(stream, e) {\n        TransformStreamDefaultControllerClearAlgorithms(stream._transformStreamController);\n        WritableStreamDefaultControllerErrorIfNeeded(stream._writable._writableStreamController, e);\n        if (stream._backpressure === true) {\n            // Pretend that pull() was called to permit any pending write() calls to complete. TransformStreamSetBackpressure()\n            // cannot be called from enqueue() or pull() once the ReadableStream is errored, so this will will be the final time\n            // _backpressure is set.\n            TransformStreamSetBackpressure(stream, false);\n        }\n    }\n    function TransformStreamSetBackpressure(stream, backpressure) {\n        // Passes also when called during construction.\n        if (stream._backpressureChangePromise !== undefined) {\n            stream._backpressureChangePromise_resolve();\n        }\n        stream._backpressureChangePromise = newPromise(function (resolve) {\n            stream._backpressureChangePromise_resolve = resolve;\n        });\n        stream._backpressure = backpressure;\n    }\n    var TransformStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function TransformStreamDefaultController() {\n            throw new TypeError('TransformStreamDefaultController instances cannot be created directly');\n        }\n        Object.defineProperty(TransformStreamDefaultController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsTransformStreamDefaultController(this) === false) {\n                    throw defaultControllerBrandCheckException$1('desiredSize');\n                }\n                var readableController = this._controlledTransformStream._readable._readableStreamController;\n                return ReadableStreamDefaultControllerGetDesiredSize(readableController);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        TransformStreamDefaultController.prototype.enqueue = function (chunk) {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('enqueue');\n            }\n            TransformStreamDefaultControllerEnqueue(this, chunk);\n        };\n        TransformStreamDefaultController.prototype.error = function (reason) {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('error');\n            }\n            TransformStreamDefaultControllerError(this, reason);\n        };\n        TransformStreamDefaultController.prototype.terminate = function () {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('terminate');\n            }\n            TransformStreamDefaultControllerTerminate(this);\n        };\n        return TransformStreamDefaultController;\n    }());\n    // Transform Stream Default Controller Abstract Operations\n    function IsTransformStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {\n            return false;\n        }\n        return true;\n    }\n    function SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm) {\n        controller._controlledTransformStream = stream;\n        stream._transformStreamController = controller;\n        controller._transformAlgorithm = transformAlgorithm;\n        controller._flushAlgorithm = flushAlgorithm;\n    }\n    function SetUpTransformStreamDefaultControllerFromTransformer(stream, transformer) {\n        var controller = Object.create(TransformStreamDefaultController.prototype);\n        var transformAlgorithm = function (chunk) {\n            try {\n                TransformStreamDefaultControllerEnqueue(controller, chunk);\n                return promiseResolvedWith(undefined);\n            }\n            catch (transformResultE) {\n                return promiseRejectedWith(transformResultE);\n            }\n        };\n        var transformMethod = transformer.transform;\n        if (transformMethod !== undefined) {\n            if (typeof transformMethod !== 'function') {\n                throw new TypeError('transform is not a method');\n            }\n            transformAlgorithm = function (chunk) { return PromiseCall(transformMethod, transformer, [chunk, controller]); };\n        }\n        var flushAlgorithm = CreateAlgorithmFromUnderlyingMethod(transformer, 'flush', 0, [controller]);\n        SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm);\n    }\n    function TransformStreamDefaultControllerClearAlgorithms(controller) {\n        controller._transformAlgorithm = undefined;\n        controller._flushAlgorithm = undefined;\n    }\n    function TransformStreamDefaultControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledTransformStream;\n        var readableController = stream._readable._readableStreamController;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === false) {\n            throw new TypeError('Readable side is not in a state that permits enqueue');\n        }\n        // We throttle transform invocations based on the backpressure of the ReadableStream, but we still\n        // accept TransformStreamDefaultControllerEnqueue() calls.\n        try {\n            ReadableStreamDefaultControllerEnqueue(readableController, chunk);\n        }\n        catch (e) {\n            // This happens when readableStrategy.size() throws.\n            TransformStreamErrorWritableAndUnblockWrite(stream, e);\n            throw stream._readable._storedError;\n        }\n        var backpressure = ReadableStreamDefaultControllerHasBackpressure(readableController);\n        if (backpressure !== stream._backpressure) {\n            TransformStreamSetBackpressure(stream, true);\n        }\n    }\n    function TransformStreamDefaultControllerError(controller, e) {\n        TransformStreamError(controller._controlledTransformStream, e);\n    }\n    function TransformStreamDefaultControllerPerformTransform(controller, chunk) {\n        var transformPromise = controller._transformAlgorithm(chunk);\n        return transformPromiseWith(transformPromise, undefined, function (r) {\n            TransformStreamError(controller._controlledTransformStream, r);\n            throw r;\n        });\n    }\n    function TransformStreamDefaultControllerTerminate(controller) {\n        var stream = controller._controlledTransformStream;\n        var readableController = stream._readable._readableStreamController;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {\n            ReadableStreamDefaultControllerClose(readableController);\n        }\n        var error = new TypeError('TransformStream terminated');\n        TransformStreamErrorWritableAndUnblockWrite(stream, error);\n    }\n    // TransformStreamDefaultSink Algorithms\n    function TransformStreamDefaultSinkWriteAlgorithm(stream, chunk) {\n        var controller = stream._transformStreamController;\n        if (stream._backpressure === true) {\n            var backpressureChangePromise = stream._backpressureChangePromise;\n            return transformPromiseWith(backpressureChangePromise, function () {\n                var writable = stream._writable;\n                var state = writable._state;\n                if (state === 'erroring') {\n                    throw writable._storedError;\n                }\n                return TransformStreamDefaultControllerPerformTransform(controller, chunk);\n            });\n        }\n        return TransformStreamDefaultControllerPerformTransform(controller, chunk);\n    }\n    function TransformStreamDefaultSinkAbortAlgorithm(stream, reason) {\n        // abort() is not called synchronously, so it is possible for abort() to be called when the stream is already\n        // errored.\n        TransformStreamError(stream, reason);\n        return promiseResolvedWith(undefined);\n    }\n    function TransformStreamDefaultSinkCloseAlgorithm(stream) {\n        // stream._readable cannot change after construction, so caching it across a call to user code is safe.\n        var readable = stream._readable;\n        var controller = stream._transformStreamController;\n        var flushPromise = controller._flushAlgorithm();\n        TransformStreamDefaultControllerClearAlgorithms(controller);\n        // Return a promise that is fulfilled with undefined on success.\n        return transformPromiseWith(flushPromise, function () {\n            if (readable._state === 'errored') {\n                throw readable._storedError;\n            }\n            var readableController = readable._readableStreamController;\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {\n                ReadableStreamDefaultControllerClose(readableController);\n            }\n        }, function (r) {\n            TransformStreamError(stream, r);\n            throw readable._storedError;\n        });\n    }\n    // TransformStreamDefaultSource Algorithms\n    function TransformStreamDefaultSourcePullAlgorithm(stream) {\n        // Invariant. Enforced by the promises returned by start() and pull().\n        TransformStreamSetBackpressure(stream, false);\n        // Prevent the next pull() call until there is backpressure.\n        return stream._backpressureChangePromise;\n    }\n    // Helper functions for the TransformStreamDefaultController.\n    function defaultControllerBrandCheckException$1(name) {\n        return new TypeError(\"TransformStreamDefaultController.prototype.\" + name + \" can only be used on a TransformStreamDefaultController\");\n    }\n    // Helper functions for the TransformStream.\n    function streamBrandCheckException$2(name) {\n        return new TypeError(\"TransformStream.prototype.\" + name + \" can only be used on a TransformStream\");\n    }\n\n    exports.ByteLengthQueuingStrategy = ByteLengthQueuingStrategy;\n    exports.CountQueuingStrategy = CountQueuingStrategy;\n    exports.ReadableStream = ReadableStream;\n    exports.TransformStream = TransformStream;\n    exports.WritableStream = WritableStream;\n\n    Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n//# sourceMappingURL=ponyfill.js.map\n","require('../../modules/es.map');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Map;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Map` constructor\n// https://tc39.github.io/ecma262/#sec-map-objects\nmodule.exports = collection('Map', function (init) {\n  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar redefine = require('../internals/redefine');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar iterate = require('../internals/iterate');\nvar anInstance = require('../internals/an-instance');\nvar isObject = require('../internals/is-object');\nvar fails = require('../internals/fails');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar inheritIfRequired = require('../internals/inherit-if-required');\n\nmodule.exports = function (CONSTRUCTOR_NAME, wrapper, common) {\n  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;\n  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;\n  var ADDER = IS_MAP ? 'set' : 'add';\n  var NativeConstructor = global[CONSTRUCTOR_NAME];\n  var NativePrototype = NativeConstructor && NativeConstructor.prototype;\n  var Constructor = NativeConstructor;\n  var exported = {};\n\n  var fixMethod = function (KEY) {\n    var nativeMethod = NativePrototype[KEY];\n    redefine(NativePrototype, KEY,\n      KEY == 'add' ? function add(value) {\n        nativeMethod.call(this, value === 0 ? 0 : value);\n        return this;\n      } : KEY == 'delete' ? function (key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'get' ? function get(key) {\n        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'has' ? function has(key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : function set(key, value) {\n        nativeMethod.call(this, key === 0 ? 0 : key, value);\n        return this;\n      }\n    );\n  };\n\n  // eslint-disable-next-line max-len\n  if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {\n    new NativeConstructor().entries().next();\n  })))) {\n    // create collection constructor\n    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);\n    InternalMetadataModule.REQUIRED = true;\n  } else if (isForced(CONSTRUCTOR_NAME, true)) {\n    var instance = new Constructor();\n    // early implementations not supports chaining\n    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n    // most early implementations doesn't supports iterables, most modern - not close it correctly\n    // eslint-disable-next-line no-new\n    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });\n    // for early implementations -0 and +0 not the same\n    var BUGGY_ZERO = !IS_WEAK && fails(function () {\n      // V8 ~ Chromium 42- fails only with 5+ elements\n      var $instance = new NativeConstructor();\n      var index = 5;\n      while (index--) $instance[ADDER](index, index);\n      return !$instance.has(-0);\n    });\n\n    if (!ACCEPT_ITERABLES) {\n      Constructor = wrapper(function (dummy, iterable) {\n        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);\n        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);\n        if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n        return that;\n      });\n      Constructor.prototype = NativePrototype;\n      NativePrototype.constructor = Constructor;\n    }\n\n    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n      fixMethod('delete');\n      fixMethod('has');\n      IS_MAP && fixMethod('get');\n    }\n\n    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n\n    // weak collections should not contains .clear method\n    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;\n  }\n\n  exported[CONSTRUCTOR_NAME] = Constructor;\n  $({ global: true, forced: Constructor != NativeConstructor }, exported);\n\n  setToStringTag(Constructor, CONSTRUCTOR_NAME);\n\n  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);\n\n  return Constructor;\n};\n","var hiddenKeys = require('../internals/hidden-keys');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar defineProperty = require('../internals/object-define-property').f;\nvar uid = require('../internals/uid');\nvar FREEZING = require('../internals/freezing');\n\nvar METADATA = uid('meta');\nvar id = 0;\n\nvar isExtensible = Object.isExtensible || function () {\n  return true;\n};\n\nvar setMetadata = function (it) {\n  defineProperty(it, METADATA, { value: {\n    objectID: 'O' + ++id, // object ID\n    weakData: {}          // weak collections IDs\n  } });\n};\n\nvar fastKey = function (it, create) {\n  // return a primitive with prefix\n  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return 'F';\n    // not necessary to add metadata\n    if (!create) return 'E';\n    // add missing metadata\n    setMetadata(it);\n  // return object ID\n  } return it[METADATA].objectID;\n};\n\nvar getWeakData = function (it, create) {\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return true;\n    // not necessary to add metadata\n    if (!create) return false;\n    // add missing metadata\n    setMetadata(it);\n  // return the store of weak collections IDs\n  } return it[METADATA].weakData;\n};\n\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n  if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);\n  return it;\n};\n\nvar meta = module.exports = {\n  REQUIRED: false,\n  fastKey: fastKey,\n  getWeakData: getWeakData,\n  onFreeze: onFreeze\n};\n\nhiddenKeys[METADATA] = true;\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  return Object.isExtensible(Object.preventExtensions({}));\n});\n","var isObject = require('../internals/is-object');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\n// makes subclassing work correct for wrapped built-ins\nmodule.exports = function ($this, dummy, Wrapper) {\n  var NewTarget, NewTargetPrototype;\n  if (\n    // it can work only with native `setPrototypeOf`\n    setPrototypeOf &&\n    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this\n    typeof (NewTarget = dummy.constructor) == 'function' &&\n    NewTarget !== Wrapper &&\n    isObject(NewTargetPrototype = NewTarget.prototype) &&\n    NewTargetPrototype !== Wrapper.prototype\n  ) setPrototypeOf($this, NewTargetPrototype);\n  return $this;\n};\n","'use strict';\nvar defineProperty = require('../internals/object-define-property').f;\nvar create = require('../internals/object-create');\nvar redefineAll = require('../internals/redefine-all');\nvar bind = require('../internals/function-bind-context');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar defineIterator = require('../internals/define-iterator');\nvar setSpecies = require('../internals/set-species');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fastKey = require('../internals/internal-metadata').fastKey;\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        index: create(null),\n        first: undefined,\n        last: undefined,\n        size: 0\n      });\n      if (!DESCRIPTORS) that.size = 0;\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var entry = getEntry(that, key);\n      var previous, index;\n      // change existing entry\n      if (entry) {\n        entry.value = value;\n      // create new entry\n      } else {\n        state.last = entry = {\n          index: index = fastKey(key, true),\n          key: key,\n          value: value,\n          previous: previous = state.last,\n          next: undefined,\n          removed: false\n        };\n        if (!state.first) state.first = entry;\n        if (previous) previous.next = entry;\n        if (DESCRIPTORS) state.size++;\n        else that.size++;\n        // add to index\n        if (index !== 'F') state.index[index] = entry;\n      } return that;\n    };\n\n    var getEntry = function (that, key) {\n      var state = getInternalState(that);\n      // fast case\n      var index = fastKey(key);\n      var entry;\n      if (index !== 'F') return state.index[index];\n      // frozen object case\n      for (entry = state.first; entry; entry = entry.next) {\n        if (entry.key == key) return entry;\n      }\n    };\n\n    redefineAll(C.prototype, {\n      // 23.1.3.1 Map.prototype.clear()\n      // 23.2.3.2 Set.prototype.clear()\n      clear: function clear() {\n        var that = this;\n        var state = getInternalState(that);\n        var data = state.index;\n        var entry = state.first;\n        while (entry) {\n          entry.removed = true;\n          if (entry.previous) entry.previous = entry.previous.next = undefined;\n          delete data[entry.index];\n          entry = entry.next;\n        }\n        state.first = state.last = undefined;\n        if (DESCRIPTORS) state.size = 0;\n        else that.size = 0;\n      },\n      // 23.1.3.3 Map.prototype.delete(key)\n      // 23.2.3.4 Set.prototype.delete(value)\n      'delete': function (key) {\n        var that = this;\n        var state = getInternalState(that);\n        var entry = getEntry(that, key);\n        if (entry) {\n          var next = entry.next;\n          var prev = entry.previous;\n          delete state.index[entry.index];\n          entry.removed = true;\n          if (prev) prev.next = next;\n          if (next) next.previous = prev;\n          if (state.first == entry) state.first = next;\n          if (state.last == entry) state.last = prev;\n          if (DESCRIPTORS) state.size--;\n          else that.size--;\n        } return !!entry;\n      },\n      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)\n      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)\n      forEach: function forEach(callbackfn /* , that = undefined */) {\n        var state = getInternalState(this);\n        var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);\n        var entry;\n        while (entry = entry ? entry.next : state.first) {\n          boundFunction(entry.value, entry.key, this);\n          // revert to the last existing entry\n          while (entry && entry.removed) entry = entry.previous;\n        }\n      },\n      // 23.1.3.7 Map.prototype.has(key)\n      // 23.2.3.7 Set.prototype.has(value)\n      has: function has(key) {\n        return !!getEntry(this, key);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.1.3.6 Map.prototype.get(key)\n      get: function get(key) {\n        var entry = getEntry(this, key);\n        return entry && entry.value;\n      },\n      // 23.1.3.9 Map.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key === 0 ? 0 : key, value);\n      }\n    } : {\n      // 23.2.3.1 Set.prototype.add(value)\n      add: function add(value) {\n        return define(this, value = value === 0 ? 0 : value, value);\n      }\n    });\n    if (DESCRIPTORS) defineProperty(C.prototype, 'size', {\n      get: function () {\n        return getInternalState(this).size;\n      }\n    });\n    return C;\n  },\n  setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {\n    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';\n    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);\n    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);\n    // add .keys, .values, .entries, [@@iterator]\n    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11\n    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {\n      setInternalState(this, {\n        type: ITERATOR_NAME,\n        target: iterated,\n        state: getInternalCollectionState(iterated),\n        kind: kind,\n        last: undefined\n      });\n    }, function () {\n      var state = getInternalIteratorState(this);\n      var kind = state.kind;\n      var entry = state.last;\n      // revert to the last existing entry\n      while (entry && entry.removed) entry = entry.previous;\n      // get next entry\n      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {\n        // or finish the iteration\n        state.target = undefined;\n        return { value: undefined, done: true };\n      }\n      // return step by kind\n      if (kind == 'keys') return { value: entry.key, done: false };\n      if (kind == 'values') return { value: entry.value, done: false };\n      return { value: [entry.key, entry.value], done: false };\n    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);\n\n    // add [@@species], 23.1.2.2, 23.2.2.2\n    setSpecies(CONSTRUCTOR_NAME);\n  }\n};\n","require('../../modules/es.set');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Set;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Set` constructor\n// https://tc39.github.io/ecma262/#sec-set-objects\nmodule.exports = collection('Set', function (init) {\n  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-map');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakMap;\n","'use strict';\nvar global = require('../internals/global');\nvar redefineAll = require('../internals/redefine-all');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\nvar isObject = require('../internals/is-object');\nvar enforceIternalState = require('../internals/internal-state').enforce;\nvar NATIVE_WEAK_MAP = require('../internals/native-weak-map');\n\nvar IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;\nvar isExtensible = Object.isExtensible;\nvar InternalWeakMap;\n\nvar wrapper = function (init) {\n  return function WeakMap() {\n    return init(this, arguments.length ? arguments[0] : undefined);\n  };\n};\n\n// `WeakMap` constructor\n// https://tc39.github.io/ecma262/#sec-weakmap-constructor\nvar $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);\n\n// IE11 WeakMap frozen keys fix\n// We can't use feature detection because it crash some old IE builds\n// https://github.com/zloirock/core-js/issues/485\nif (NATIVE_WEAK_MAP && IS_IE11) {\n  InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);\n  InternalMetadataModule.REQUIRED = true;\n  var WeakMapPrototype = $WeakMap.prototype;\n  var nativeDelete = WeakMapPrototype['delete'];\n  var nativeHas = WeakMapPrototype.has;\n  var nativeGet = WeakMapPrototype.get;\n  var nativeSet = WeakMapPrototype.set;\n  redefineAll(WeakMapPrototype, {\n    'delete': function (key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeDelete.call(this, key) || state.frozen['delete'](key);\n      } return nativeDelete.call(this, key);\n    },\n    has: function has(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) || state.frozen.has(key);\n      } return nativeHas.call(this, key);\n    },\n    get: function get(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);\n      } return nativeGet.call(this, key);\n    },\n    set: function set(key, value) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);\n      } else nativeSet.call(this, key, value);\n      return this;\n    }\n  });\n}\n","'use strict';\nvar redefineAll = require('../internals/redefine-all');\nvar getWeakData = require('../internals/internal-metadata').getWeakData;\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar ArrayIterationModule = require('../internals/array-iteration');\nvar $has = require('../internals/has');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\nvar find = ArrayIterationModule.find;\nvar findIndex = ArrayIterationModule.findIndex;\nvar id = 0;\n\n// fallback for uncaught frozen keys\nvar uncaughtFrozenStore = function (store) {\n  return store.frozen || (store.frozen = new UncaughtFrozenStore());\n};\n\nvar UncaughtFrozenStore = function () {\n  this.entries = [];\n};\n\nvar findUncaughtFrozen = function (store, key) {\n  return find(store.entries, function (it) {\n    return it[0] === key;\n  });\n};\n\nUncaughtFrozenStore.prototype = {\n  get: function (key) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) return entry[1];\n  },\n  has: function (key) {\n    return !!findUncaughtFrozen(this, key);\n  },\n  set: function (key, value) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) entry[1] = value;\n    else this.entries.push([key, value]);\n  },\n  'delete': function (key) {\n    var index = findIndex(this.entries, function (it) {\n      return it[0] === key;\n    });\n    if (~index) this.entries.splice(index, 1);\n    return !!~index;\n  }\n};\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        id: id++,\n        frozen: undefined\n      });\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var data = getWeakData(anObject(key), true);\n      if (data === true) uncaughtFrozenStore(state).set(key, value);\n      else data[state.id] = value;\n      return that;\n    };\n\n    redefineAll(C.prototype, {\n      // 23.3.3.2 WeakMap.prototype.delete(key)\n      // 23.4.3.3 WeakSet.prototype.delete(value)\n      'delete': function (key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state)['delete'](key);\n        return data && $has(data, state.id) && delete data[state.id];\n      },\n      // 23.3.3.4 WeakMap.prototype.has(key)\n      // 23.4.3.4 WeakSet.prototype.has(value)\n      has: function has(key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state).has(key);\n        return data && $has(data, state.id);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.3.3.3 WeakMap.prototype.get(key)\n      get: function get(key) {\n        var state = getInternalState(this);\n        if (isObject(key)) {\n          var data = getWeakData(key);\n          if (data === true) return uncaughtFrozenStore(state).get(key);\n          return data ? data[state.id] : undefined;\n        }\n      },\n      // 23.3.3.5 WeakMap.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key, value);\n      }\n    } : {\n      // 23.4.3.1 WeakSet.prototype.add(value)\n      add: function add(value) {\n        return define(this, value, true);\n      }\n    });\n\n    return C;\n  }\n};\n","var bind = require('../internals/function-bind-context');\nvar IndexedObject = require('../internals/indexed-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar arraySpeciesCreate = require('../internals/array-species-create');\n\nvar push = [].push;\n\n// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation\nvar createMethod = function (TYPE) {\n  var IS_MAP = TYPE == 1;\n  var IS_FILTER = TYPE == 2;\n  var IS_SOME = TYPE == 3;\n  var IS_EVERY = TYPE == 4;\n  var IS_FIND_INDEX = TYPE == 6;\n  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;\n  return function ($this, callbackfn, that, specificCreate) {\n    var O = toObject($this);\n    var self = IndexedObject(O);\n    var boundFunction = bind(callbackfn, that, 3);\n    var length = toLength(self.length);\n    var index = 0;\n    var create = specificCreate || arraySpeciesCreate;\n    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;\n    var value, result;\n    for (;length > index; index++) if (NO_HOLES || index in self) {\n      value = self[index];\n      result = boundFunction(value, index, O);\n      if (TYPE) {\n        if (IS_MAP) target[index] = result; // map\n        else if (result) switch (TYPE) {\n          case 3: return true;              // some\n          case 5: return value;             // find\n          case 6: return index;             // findIndex\n          case 2: push.call(target, value); // filter\n        } else if (IS_EVERY) return false;  // every\n      }\n    }\n    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.forEach` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach\n  forEach: createMethod(0),\n  // `Array.prototype.map` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.map\n  map: createMethod(1),\n  // `Array.prototype.filter` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.filter\n  filter: createMethod(2),\n  // `Array.prototype.some` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.some\n  some: createMethod(3),\n  // `Array.prototype.every` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.every\n  every: createMethod(4),\n  // `Array.prototype.find` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.find\n  find: createMethod(5),\n  // `Array.prototype.findIndex` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex\n  findIndex: createMethod(6)\n};\n","var isObject = require('../internals/is-object');\nvar isArray = require('../internals/is-array');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `ArraySpeciesCreate` abstract operation\n// https://tc39.github.io/ecma262/#sec-arrayspeciescreate\nmodule.exports = function (originalArray, length) {\n  var C;\n  if (isArray(originalArray)) {\n    C = originalArray.constructor;\n    // cross-realm fallback\n    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;\n    else if (isObject(C)) {\n      C = C[SPECIES];\n      if (C === null) C = undefined;\n    }\n  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);\n};\n","var classof = require('../internals/classof-raw');\n\n// `IsArray` abstract operation\n// https://tc39.github.io/ecma262/#sec-isarray\nmodule.exports = Array.isArray || function isArray(arg) {\n  return classof(arg) == 'Array';\n};\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-set');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakSet;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\n\n// `WeakSet` constructor\n// https://tc39.github.io/ecma262/#sec-weakset-constructor\ncollection('WeakSet', function (init) {\n  return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionWeak);\n","require('../../modules/es.string.code-point-at');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'codePointAt');\n","'use strict';\nvar $ = require('../internals/export');\nvar codeAt = require('../internals/string-multibyte').codeAt;\n\n// `String.prototype.codePointAt` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n$({ target: 'String', proto: true }, {\n  codePointAt: function codePointAt(pos) {\n    return codeAt(this, pos);\n  }\n});\n","require('../../modules/es.string.from-code-point');\nvar path = require('../../internals/path');\n\nmodule.exports = path.String.fromCodePoint;\n","var $ = require('../internals/export');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\nvar fromCharCode = String.fromCharCode;\nvar nativeFromCodePoint = String.fromCodePoint;\n\n// length should be 1, old FF problem\nvar INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;\n\n// `String.fromCodePoint` method\n// https://tc39.github.io/ecma262/#sec-string.fromcodepoint\n$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {\n  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars\n    var elements = [];\n    var length = arguments.length;\n    var i = 0;\n    var code;\n    while (length > i) {\n      code = +arguments[i++];\n      if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');\n      elements.push(code < 0x10000\n        ? fromCharCode(code)\n        : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)\n      );\n    } return elements.join('');\n  }\n});\n","require('../../modules/es.array.concat');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.symbol');\nrequire('../../modules/es.symbol.async-iterator');\nrequire('../../modules/es.symbol.description');\nrequire('../../modules/es.symbol.has-instance');\nrequire('../../modules/es.symbol.is-concat-spreadable');\nrequire('../../modules/es.symbol.iterator');\nrequire('../../modules/es.symbol.match');\nrequire('../../modules/es.symbol.match-all');\nrequire('../../modules/es.symbol.replace');\nrequire('../../modules/es.symbol.search');\nrequire('../../modules/es.symbol.species');\nrequire('../../modules/es.symbol.split');\nrequire('../../modules/es.symbol.to-primitive');\nrequire('../../modules/es.symbol.to-string-tag');\nrequire('../../modules/es.symbol.unscopables');\nrequire('../../modules/es.math.to-string-tag');\nrequire('../../modules/es.json.to-string-tag');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Symbol;\n","'use strict';\nvar $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar arraySpeciesCreate = require('../internals/array-species-create');\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');\nvar MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;\nvar MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';\n\n// We can't use this feature detection in V8 since it causes\n// deoptimization and serious performance degradation\n// https://github.com/zloirock/core-js/issues/679\nvar IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {\n  var array = [];\n  array[IS_CONCAT_SPREADABLE] = false;\n  return array.concat()[0] !== array;\n});\n\nvar SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');\n\nvar isConcatSpreadable = function (O) {\n  if (!isObject(O)) return false;\n  var spreadable = O[IS_CONCAT_SPREADABLE];\n  return spreadable !== undefined ? !!spreadable : isArray(O);\n};\n\nvar FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;\n\n// `Array.prototype.concat` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.concat\n// with adding support of @@isConcatSpreadable and @@species\n$({ target: 'Array', proto: true, forced: FORCED }, {\n  concat: function concat(arg) { // eslint-disable-line no-unused-vars\n    var O = toObject(this);\n    var A = arraySpeciesCreate(O, 0);\n    var n = 0;\n    var i, k, length, len, E;\n    for (i = -1, length = arguments.length; i < length; i++) {\n      E = i === -1 ? O : arguments[i];\n      if (isConcatSpreadable(E)) {\n        len = toLength(E.length);\n        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);\n      } else {\n        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        createProperty(A, n++, E);\n      }\n    }\n    A.length = n;\n    return A;\n  }\n});\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (METHOD_NAME) {\n  // We can't use this feature detection in V8 since it causes\n  // deoptimization and serious performance degradation\n  // https://github.com/zloirock/core-js/issues/677\n  return V8_VERSION >= 51 || !fails(function () {\n    var array = [];\n    var constructor = array.constructor = {};\n    constructor[SPECIES] = function () {\n      return { foo: 1 };\n    };\n    return array[METHOD_NAME](Boolean).foo !== 1;\n  });\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar getBuiltIn = require('../internals/get-built-in');\nvar IS_PURE = require('../internals/is-pure');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar anObject = require('../internals/an-object');\nvar toObject = require('../internals/to-object');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar nativeObjectCreate = require('../internals/object-create');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertyNamesExternal = require('../internals/object-get-own-property-names-external');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar shared = require('../internals/shared');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar uid = require('../internals/uid');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineWellKnownSymbol = require('../internals/define-well-known-symbol');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar InternalStateModule = require('../internals/internal-state');\nvar $forEach = require('../internals/array-iteration').forEach;\n\nvar HIDDEN = sharedKey('hidden');\nvar SYMBOL = 'Symbol';\nvar PROTOTYPE = 'prototype';\nvar TO_PRIMITIVE = wellKnownSymbol('toPrimitive');\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(SYMBOL);\nvar ObjectPrototype = Object[PROTOTYPE];\nvar $Symbol = global.Symbol;\nvar $stringify = getBuiltIn('JSON', 'stringify');\nvar nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\nvar nativeDefineProperty = definePropertyModule.f;\nvar nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;\nvar nativePropertyIsEnumerable = propertyIsEnumerableModule.f;\nvar AllSymbols = shared('symbols');\nvar ObjectPrototypeSymbols = shared('op-symbols');\nvar StringToSymbolRegistry = shared('string-to-symbol-registry');\nvar SymbolToStringRegistry = shared('symbol-to-string-registry');\nvar WellKnownSymbolsStore = shared('wks');\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDescriptor = DESCRIPTORS && fails(function () {\n  return nativeObjectCreate(nativeDefineProperty({}, 'a', {\n    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }\n  })).a != 7;\n}) ? function (O, P, Attributes) {\n  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);\n  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];\n  nativeDefineProperty(O, P, Attributes);\n  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {\n    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);\n  }\n} : nativeDefineProperty;\n\nvar wrap = function (tag, description) {\n  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);\n  setInternalState(symbol, {\n    type: SYMBOL,\n    tag: tag,\n    description: description\n  });\n  if (!DESCRIPTORS) symbol.description = description;\n  return symbol;\n};\n\nvar isSymbol = USE_SYMBOL_AS_UID ? function (it) {\n  return typeof it == 'symbol';\n} : function (it) {\n  return Object(it) instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(O, P, Attributes) {\n  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);\n  anObject(O);\n  var key = toPrimitive(P, true);\n  anObject(Attributes);\n  if (has(AllSymbols, key)) {\n    if (!Attributes.enumerable) {\n      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));\n      O[HIDDEN][key] = true;\n    } else {\n      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;\n      Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });\n    } return setSymbolDescriptor(O, key, Attributes);\n  } return nativeDefineProperty(O, key, Attributes);\n};\n\nvar $defineProperties = function defineProperties(O, Properties) {\n  anObject(O);\n  var properties = toIndexedObject(Properties);\n  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));\n  $forEach(keys, function (key) {\n    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);\n  });\n  return O;\n};\n\nvar $create = function create(O, Properties) {\n  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);\n};\n\nvar $propertyIsEnumerable = function propertyIsEnumerable(V) {\n  var P = toPrimitive(V, true);\n  var enumerable = nativePropertyIsEnumerable.call(this, P);\n  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;\n  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;\n};\n\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {\n  var it = toIndexedObject(O);\n  var key = toPrimitive(P, true);\n  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;\n  var descriptor = nativeGetOwnPropertyDescriptor(it, key);\n  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {\n    descriptor.enumerable = true;\n  }\n  return descriptor;\n};\n\nvar $getOwnPropertyNames = function getOwnPropertyNames(O) {\n  var names = nativeGetOwnPropertyNames(toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);\n  });\n  return result;\n};\n\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(O) {\n  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;\n  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {\n      result.push(AllSymbols[key]);\n    }\n  });\n  return result;\n};\n\n// `Symbol` constructor\n// https://tc39.github.io/ecma262/#sec-symbol-constructor\nif (!NATIVE_SYMBOL) {\n  $Symbol = function Symbol() {\n    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');\n    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var tag = uid(description);\n    var setter = function (value) {\n      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);\n      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));\n    };\n    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });\n    return wrap(tag, description);\n  };\n\n  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n    return getInternalState(this).tag;\n  });\n\n  redefine($Symbol, 'withoutSetter', function (description) {\n    return wrap(uid(description), description);\n  });\n\n  propertyIsEnumerableModule.f = $propertyIsEnumerable;\n  definePropertyModule.f = $defineProperty;\n  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;\n  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;\n  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;\n\n  wrappedWellKnownSymbolModule.f = function (name) {\n    return wrap(wellKnownSymbol(name), name);\n  };\n\n  if (DESCRIPTORS) {\n    // https://github.com/tc39/proposal-Symbol-description\n    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {\n      configurable: true,\n      get: function description() {\n        return getInternalState(this).description;\n      }\n    });\n    if (!IS_PURE) {\n      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });\n    }\n  }\n}\n\n$({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, {\n  Symbol: $Symbol\n});\n\n$forEach(objectKeys(WellKnownSymbolsStore), function (name) {\n  defineWellKnownSymbol(name);\n});\n\n$({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Symbol.for` method\n  // https://tc39.github.io/ecma262/#sec-symbol.for\n  'for': function (key) {\n    var string = String(key);\n    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];\n    var symbol = $Symbol(string);\n    StringToSymbolRegistry[string] = symbol;\n    SymbolToStringRegistry[symbol] = string;\n    return symbol;\n  },\n  // `Symbol.keyFor` method\n  // https://tc39.github.io/ecma262/#sec-symbol.keyfor\n  keyFor: function keyFor(sym) {\n    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');\n    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];\n  },\n  useSetter: function () { USE_SETTER = true; },\n  useSimple: function () { USE_SETTER = false; }\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {\n  // `Object.create` method\n  // https://tc39.github.io/ecma262/#sec-object.create\n  create: $create,\n  // `Object.defineProperty` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperty\n  defineProperty: $defineProperty,\n  // `Object.defineProperties` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperties\n  defineProperties: $defineProperties,\n  // `Object.getOwnPropertyDescriptor` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Object.getOwnPropertyNames` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // `Object.getOwnPropertySymbols` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives\n// https://bugs.chromium.org/p/v8/issues/detail?id=3443\n$({ target: 'Object', stat: true, forced: fails(function () { getOwnPropertySymbolsModule.f(1); }) }, {\n  getOwnPropertySymbols: function getOwnPropertySymbols(it) {\n    return getOwnPropertySymbolsModule.f(toObject(it));\n  }\n});\n\n// `JSON.stringify` method behavior with symbols\n// https://tc39.github.io/ecma262/#sec-json.stringify\nif ($stringify) {\n  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {\n    var symbol = $Symbol();\n    // MS Edge converts symbol values to JSON as {}\n    return $stringify([symbol]) != '[null]'\n      // WebKit converts symbol values to JSON as null\n      || $stringify({ a: symbol }) != '{}'\n      // V8 throws on boxed symbols\n      || $stringify(Object(symbol)) != '{}';\n  });\n\n  $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {\n    // eslint-disable-next-line no-unused-vars\n    stringify: function stringify(it, replacer, space) {\n      var args = [it];\n      var index = 1;\n      var $replacer;\n      while (arguments.length > index) args.push(arguments[index++]);\n      $replacer = replacer;\n      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n      if (!isArray(replacer)) replacer = function (key, value) {\n        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n        if (!isSymbol(value)) return value;\n      };\n      args[1] = replacer;\n      return $stringify.apply(null, args);\n    }\n  });\n}\n\n// `Symbol.prototype[@@toPrimitive]` method\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive\nif (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {\n  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n}\n// `Symbol.prototype[@@toStringTag]` property\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag\nsetToStringTag($Symbol, SYMBOL);\n\nhiddenKeys[HIDDEN] = true;\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names').f;\n\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n  try {\n    return nativeGetOwnPropertyNames(it);\n  } catch (error) {\n    return windowNames.slice();\n  }\n};\n\n// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nmodule.exports.f = function getOwnPropertyNames(it) {\n  return windowNames && toString.call(it) == '[object Window]'\n    ? getWindowNames(it)\n    : nativeGetOwnPropertyNames(toIndexedObject(it));\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nexports.f = wellKnownSymbol;\n","var path = require('../internals/path');\nvar has = require('../internals/has');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineProperty = require('../internals/object-define-property').f;\n\nmodule.exports = function (NAME) {\n  var Symbol = path.Symbol || (path.Symbol = {});\n  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {\n    value: wrappedWellKnownSymbolModule.f(NAME)\n  });\n};\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.asyncIterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.asynciterator\ndefineWellKnownSymbol('asyncIterator');\n","// `Symbol.prototype.description` getter\n// https://tc39.github.io/ecma262/#sec-symbol.prototype.description\n'use strict';\nvar $ = require('../internals/export');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar has = require('../internals/has');\nvar isObject = require('../internals/is-object');\nvar defineProperty = require('../internals/object-define-property').f;\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\n\nvar NativeSymbol = global.Symbol;\n\nif (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||\n  // Safari 12 bug\n  NativeSymbol().description !== undefined\n)) {\n  var EmptyStringDescriptionStore = {};\n  // wrap Symbol constructor for correct work with undefined description\n  var SymbolWrapper = function Symbol() {\n    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var result = this instanceof SymbolWrapper\n      ? new NativeSymbol(description)\n      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'\n      : description === undefined ? NativeSymbol() : NativeSymbol(description);\n    if (description === '') EmptyStringDescriptionStore[result] = true;\n    return result;\n  };\n  copyConstructorProperties(SymbolWrapper, NativeSymbol);\n  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;\n  symbolPrototype.constructor = SymbolWrapper;\n\n  var symbolToString = symbolPrototype.toString;\n  var native = String(NativeSymbol('test')) == 'Symbol(test)';\n  var regexp = /^Symbol\\((.*)\\)[^)]+$/;\n  defineProperty(symbolPrototype, 'description', {\n    configurable: true,\n    get: function description() {\n      var symbol = isObject(this) ? this.valueOf() : this;\n      var string = symbolToString.call(symbol);\n      if (has(EmptyStringDescriptionStore, symbol)) return '';\n      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');\n      return desc === '' ? undefined : desc;\n    }\n  });\n\n  $({ global: true, forced: true }, {\n    Symbol: SymbolWrapper\n  });\n}\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.hasInstance` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.hasinstance\ndefineWellKnownSymbol('hasInstance');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.isConcatSpreadable` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.isconcatspreadable\ndefineWellKnownSymbol('isConcatSpreadable');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.iterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.iterator\ndefineWellKnownSymbol('iterator');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.match` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.match\ndefineWellKnownSymbol('match');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.matchAll` well-known symbol\ndefineWellKnownSymbol('matchAll');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.replace` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.replace\ndefineWellKnownSymbol('replace');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.search` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.search\ndefineWellKnownSymbol('search');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.species` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.species\ndefineWellKnownSymbol('species');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.split` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.split\ndefineWellKnownSymbol('split');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toPrimitive` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.toprimitive\ndefineWellKnownSymbol('toPrimitive');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toStringTag` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.tostringtag\ndefineWellKnownSymbol('toStringTag');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.unscopables` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.unscopables\ndefineWellKnownSymbol('unscopables');\n","var setToStringTag = require('../internals/set-to-string-tag');\n\n// Math[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-math-@@tostringtag\nsetToStringTag(Math, 'Math', true);\n","var global = require('../internals/global');\nvar setToStringTag = require('../internals/set-to-string-tag');\n\n// JSON[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-json-@@tostringtag\nsetToStringTag(global.JSON, 'JSON', true);\n","require('../../modules/es.string.pad-start');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padStart');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padStart = require('../internals/string-pad').start;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padStart` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padStart: function padStart(maxLength /* , fillString = ' ' */) {\n    return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","// https://github.com/tc39/proposal-string-pad-start-end\nvar toLength = require('../internals/to-length');\nvar repeat = require('../internals/string-repeat');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nvar ceil = Math.ceil;\n\n// `String.prototype.{ padStart, padEnd }` methods implementation\nvar createMethod = function (IS_END) {\n  return function ($this, maxLength, fillString) {\n    var S = String(requireObjectCoercible($this));\n    var stringLength = S.length;\n    var fillStr = fillString === undefined ? ' ' : String(fillString);\n    var intMaxLength = toLength(maxLength);\n    var fillLen, stringFiller;\n    if (intMaxLength <= stringLength || fillStr == '') return S;\n    fillLen = intMaxLength - stringLength;\n    stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));\n    if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);\n    return IS_END ? S + stringFiller : stringFiller + S;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.padStart` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n  start: createMethod(false),\n  // `String.prototype.padEnd` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padend\n  end: createMethod(true)\n};\n","'use strict';\nvar toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.repeat` method implementation\n// https://tc39.github.io/ecma262/#sec-string.prototype.repeat\nmodule.exports = ''.repeat || function repeat(count) {\n  var str = String(requireObjectCoercible(this));\n  var result = '';\n  var n = toInteger(count);\n  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');\n  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;\n  return result;\n};\n","// https://github.com/zloirock/core-js/issues/280\nvar userAgent = require('../internals/engine-user-agent');\n\n// eslint-disable-next-line unicorn/no-unsafe-regex\nmodule.exports = /Version\\/10\\.\\d+(\\.\\d+)?( Mobile\\/\\w+)? Safari\\//.test(userAgent);\n","require('../../modules/es.string.pad-end');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padEnd');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padEnd = require('../internals/string-pad').end;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padEnd` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padend\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padEnd: function padEnd(maxLength /* , fillString = ' ' */) {\n    return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.object.values');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.values;\n","var $ = require('../internals/export');\nvar $values = require('../internals/object-to-array').values;\n\n// `Object.values` method\n// https://tc39.github.io/ecma262/#sec-object.values\n$({ target: 'Object', stat: true }, {\n  values: function values(O) {\n    return $values(O);\n  }\n});\n","var DESCRIPTORS = require('../internals/descriptors');\nvar objectKeys = require('../internals/object-keys');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar propertyIsEnumerable = require('../internals/object-property-is-enumerable').f;\n\n// `Object.{ entries, values }` methods implementation\nvar createMethod = function (TO_ENTRIES) {\n  return function (it) {\n    var O = toIndexedObject(it);\n    var keys = objectKeys(O);\n    var length = keys.length;\n    var i = 0;\n    var result = [];\n    var key;\n    while (length > i) {\n      key = keys[i++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {\n        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);\n      }\n    }\n    return result;\n  };\n};\n\nmodule.exports = {\n  // `Object.entries` method\n  // https://tc39.github.io/ecma262/#sec-object.entries\n  entries: createMethod(true),\n  // `Object.values` method\n  // https://tc39.github.io/ecma262/#sec-object.values\n  values: createMethod(false)\n};\n","require('../../modules/es.object.entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.entries;\n","var $ = require('../internals/export');\nvar $entries = require('../internals/object-to-array').entries;\n\n// `Object.entries` method\n// https://tc39.github.io/ecma262/#sec-object.entries\n$({ target: 'Object', stat: true }, {\n  entries: function entries(O) {\n    return $entries(O);\n  }\n});\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n/**\n * @module pdfjsLib\n */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  getVerbosityLevel,\n  info,\n  InvalidPDFException,\n  isArrayBuffer,\n  isSameOrigin,\n  MissingPDFException,\n  PasswordException,\n  setVerbosityLevel,\n  shadow,\n  stringToBytes,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  deprecated,\n  DOMCanvasFactory,\n  DOMCMapReaderFactory,\n  loadScript,\n  PageViewport,\n  RenderingCancelledException,\n  StatTimer,\n} from \"./display_utils.js\";\nimport { FontFaceObject, FontLoader } from \"./font_loader.js\";\nimport { NodeCanvasFactory, NodeCMapReaderFactory } from \"./node_utils.js\";\nimport { AnnotationStorage } from \"./annotation_storage.js\";\nimport { apiCompatibilityParams } from \"./api_compatibility.js\";\nimport { CanvasGraphics } from \"./canvas.js\";\nimport { GlobalWorkerOptions } from \"./worker_options.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { MessageHandler } from \"../shared/message_handler.js\";\nimport { Metadata } from \"./metadata.js\";\nimport { OptionalContentConfig } from \"./optional_content_config.js\";\nimport { PDFDataTransportStream } from \"./transport_stream.js\";\nimport { WebGLContext } from \"./webgl.js\";\n\nconst DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\nconst RENDERING_CANCELLED_TIMEOUT = 100; // ms\n\nconst DefaultCanvasFactory =\n  (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS\n    ? NodeCanvasFactory\n    : DOMCanvasFactory;\nconst DefaultCMapReaderFactory =\n  (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS\n    ? NodeCMapReaderFactory\n    : DOMCMapReaderFactory;\n\n/**\n * @typedef {function} IPDFStreamFactory\n * @param {DocumentInitParameters} params - The document initialization\n *   parameters. The \"url\" key is always present.\n * @returns {Promise} A promise, which is resolved with an instance of\n *   {IPDFStream}.\n * @ignore\n */\n\n/**\n * @type IPDFStreamFactory\n * @private\n */\nlet createPDFNetworkStream;\n\n/**\n * Sets the function that instantiates an {IPDFStream} as an alternative PDF\n * data transport.\n *\n * @param {IPDFStreamFactory} pdfNetworkStreamFactory - The factory function\n *   that takes document initialization parameters (including a \"url\") and\n *   returns a promise which is resolved with an instance of {IPDFStream}.\n * @ignore\n */\nfunction setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {\n  createPDFNetworkStream = pdfNetworkStreamFactory;\n}\n\n/**\n * @typedef { Int8Array | Uint8Array | Uint8ClampedArray |\n *            Int16Array | Uint16Array |\n *            Int32Array | Uint32Array | Float32Array |\n *            Float64Array\n * } TypedArray\n */\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string} [url] - The URL of the PDF.\n * @property {TypedArray|Array<number>|string} [data] - Binary PDF data. Use\n *    typed arrays (Uint8Array) to improve the memory usage. If PDF data is\n *    BASE64-encoded, use `atob()` to convert it to a binary string first.\n * @property {Object} [httpHeaders] - Basic authentication headers.\n * @property {boolean} [withCredentials] - Indicates whether or not\n *   cross-site Access-Control requests should be made using credentials such\n *   as cookies or authorization headers. The default is `false`.\n * @property {string} [password] - For decrypting password-protected PDFs.\n * @property {TypedArray} [initialData] - A typed array with the first portion\n *   or all of the pdf data. Used by the extension since some data is already\n *   loaded before the switch to range requests.\n * @property {number} [length] - The PDF file length. It's used for progress\n *   reports and range requests operations.\n * @property {PDFDataRangeTransport} [range] - Allows for using a custom range\n *   transport implementation.\n * @property {number} [rangeChunkSize] - Specify maximum number of bytes fetched\n *   per range request. The default value is {@link DEFAULT_RANGE_CHUNK_SIZE}.\n * @property {PDFWorker} [worker] - The worker that will be used for loading and\n *   parsing the PDF data.\n * @property {number} [verbosity] - Controls the logging level; the constants\n *   from {@link VerbosityLevel} should be used.\n * @property {string} [docBaseUrl] - The base URL of the document, used when\n *   attempting to recover valid absolute URLs for annotations, and outline\n *   items, that (incorrectly) only specify relative URLs.\n * @property {string} [cMapUrl] - The URL where the predefined Adobe CMaps are\n *   located. Include the trailing slash.\n * @property {boolean} [cMapPacked] - Specifies if the Adobe CMaps are binary\n *   packed or not.\n * @property {Object} [CMapReaderFactory] - The factory that will be used when\n *   reading built-in CMap files. Providing a custom factory is useful for\n *   environments without Fetch API or `XMLHttpRequest` support, such as\n *   Node.js. The default value is {DOMCMapReaderFactory}.\n * @property {boolean} [stopAtErrors] - Reject certain promises, e.g.\n *   `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n *   PDF data cannot be successfully parsed, instead of attempting to recover\n *   whatever possible of the data. The default value is `false`.\n * @property {number} [maxImageSize] - The maximum allowed image size in total\n *   pixels, i.e. width * height. Images above this value will not be rendered.\n *   Use -1 for no limit, which is also the default value.\n * @property {boolean} [isEvalSupported] - Determines if we can evaluate strings\n *   as JavaScript. Primarily used to improve performance of font rendering, and\n *   when parsing PDF functions. The default value is `true`.\n * @property {boolean} [disableFontFace] - By default fonts are converted to\n *   OpenType fonts and loaded via `@font-face` rules. If disabled, fonts will\n *   be rendered using a built-in font renderer that constructs the glyphs with\n *   primitive path commands. The default value is `false`.\n * @property {boolean} [fontExtraProperties] - Include additional properties,\n *   which are unused during rendering of PDF documents, when exporting the\n *   parsed font data from the worker-thread. This may be useful for debugging\n *   purposes (and backwards compatibility), but note that it will lead to\n *   increased memory usage. The default value is `false`.\n * @property {HTMLDocument} [ownerDocument] - Specify an explicit document\n *   context to create elements with and to load resources, such as fonts,\n *   into. Defaults to the current document.\n * @property {boolean} [disableRange] - Disable range request loading of PDF\n *   files. When enabled, and if the server supports partial content requests,\n *   then the PDF will be fetched in chunks. The default value is `false`.\n * @property {boolean} [disableStream] - Disable streaming of PDF file data.\n *   By default PDF.js attempts to load PDF files in chunks. The default value\n *   is `false`.\n * @property {boolean} [disableAutoFetch] - Disable pre-fetching of PDF file\n *   data. When range requests are enabled PDF.js will automatically keep\n *   fetching more data even if it isn't needed to display the current page.\n *   The default value is `false`.\n *\n *   NOTE: It is also necessary to disable streaming, see above, in order for\n *   disabling of pre-fetching to work correctly.\n * @property {boolean} [pdfBug] - Enables special hooks for debugging PDF.js\n *   (see `web/debugger.js`). The default value is `false`.\n */\n\n/**\n * @typedef {Object} PDFDocumentStats\n * @property {Object<string, boolean>} streamTypes - Used stream types in the\n *   document (an item is set to true if specific stream ID was used in the\n *   document).\n * @property {Object<string, boolean>} fontTypes - Used font types in the\n *   document (an item is set to true if specific font ID was used in the\n *   document).\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n *\n * NOTE: If a URL is used to fetch the PDF data a standard Fetch API call (or\n * XHR as fallback) is used, which means it must follow same origin rules,\n * e.g. no cross-domain requests without CORS.\n *\n * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src -\n *   Can be a URL to where a PDF file is located, a typed array (Uint8Array)\n *   already populated with data or parameter object.\n * @returns {PDFDocumentLoadingTask}\n */\nfunction getDocument(src) {\n  const task = new PDFDocumentLoadingTask();\n\n  let source;\n  if (typeof src === \"string\") {\n    source = { url: src };\n  } else if (isArrayBuffer(src)) {\n    source = { data: src };\n  } else if (src instanceof PDFDataRangeTransport) {\n    source = { range: src };\n  } else {\n    if (typeof src !== \"object\") {\n      throw new Error(\n        \"Invalid parameter in getDocument, \" +\n          \"need either Uint8Array, string or a parameter object\"\n      );\n    }\n    if (!src.url && !src.data && !src.range) {\n      throw new Error(\n        \"Invalid parameter object: need either .data, .range or .url\"\n      );\n    }\n    source = src;\n  }\n  const params = Object.create(null);\n  let rangeTransport = null,\n    worker = null;\n\n  for (const key in source) {\n    if (key === \"url\" && typeof window !== \"undefined\") {\n      // The full path is required in the 'url' field.\n      params[key] = new URL(source[key], window.location).href;\n      continue;\n    } else if (key === \"range\") {\n      rangeTransport = source[key];\n      continue;\n    } else if (key === \"worker\") {\n      worker = source[key];\n      continue;\n    } else if (key === \"data\" && !(source[key] instanceof Uint8Array)) {\n      // Converting string or array-like data to Uint8Array.\n      const pdfBytes = source[key];\n      if (typeof pdfBytes === \"string\") {\n        params[key] = stringToBytes(pdfBytes);\n      } else if (\n        typeof pdfBytes === \"object\" &&\n        pdfBytes !== null &&\n        !isNaN(pdfBytes.length)\n      ) {\n        params[key] = new Uint8Array(pdfBytes);\n      } else if (isArrayBuffer(pdfBytes)) {\n        params[key] = new Uint8Array(pdfBytes);\n      } else {\n        throw new Error(\n          \"Invalid PDF binary data: either typed array, \" +\n            \"string or array-like object is expected in the \" +\n            \"data property.\"\n        );\n      }\n      continue;\n    }\n    params[key] = source[key];\n  }\n\n  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;\n  params.CMapReaderFactory =\n    params.CMapReaderFactory || DefaultCMapReaderFactory;\n  params.ignoreErrors = params.stopAtErrors !== true;\n  params.fontExtraProperties = params.fontExtraProperties === true;\n  params.pdfBug = params.pdfBug === true;\n\n  if (!Number.isInteger(params.maxImageSize)) {\n    params.maxImageSize = -1;\n  }\n  if (typeof params.isEvalSupported !== \"boolean\") {\n    params.isEvalSupported = true;\n  }\n  if (typeof params.disableFontFace !== \"boolean\") {\n    params.disableFontFace = apiCompatibilityParams.disableFontFace || false;\n  }\n  if (typeof params.ownerDocument === \"undefined\") {\n    params.ownerDocument = globalThis.document;\n  }\n\n  if (typeof params.disableRange !== \"boolean\") {\n    params.disableRange = false;\n  }\n  if (typeof params.disableStream !== \"boolean\") {\n    params.disableStream = false;\n  }\n  if (typeof params.disableAutoFetch !== \"boolean\") {\n    params.disableAutoFetch = false;\n  }\n\n  // Set the main-thread verbosity level.\n  setVerbosityLevel(params.verbosity);\n\n  if (!worker) {\n    const workerParams = {\n      verbosity: params.verbosity,\n      port: GlobalWorkerOptions.workerPort,\n    };\n    // Worker was not provided -- creating and owning our own. If message port\n    // is specified in global worker options, using it.\n    worker = workerParams.port\n      ? PDFWorker.fromPort(workerParams)\n      : new PDFWorker(workerParams);\n    task._worker = worker;\n  }\n  const docId = task.docId;\n  worker.promise\n    .then(function () {\n      if (task.destroyed) {\n        throw new Error(\"Loading aborted\");\n      }\n\n      const workerIdPromise = _fetchDocument(\n        worker,\n        params,\n        rangeTransport,\n        docId\n      );\n      const networkStreamPromise = new Promise(function (resolve) {\n        let networkStream;\n        if (rangeTransport) {\n          networkStream = new PDFDataTransportStream(\n            {\n              length: params.length,\n              initialData: params.initialData,\n              progressiveDone: params.progressiveDone,\n              disableRange: params.disableRange,\n              disableStream: params.disableStream,\n            },\n            rangeTransport\n          );\n        } else if (!params.data) {\n          networkStream = createPDFNetworkStream({\n            url: params.url,\n            length: params.length,\n            httpHeaders: params.httpHeaders,\n            withCredentials: params.withCredentials,\n            rangeChunkSize: params.rangeChunkSize,\n            disableRange: params.disableRange,\n            disableStream: params.disableStream,\n          });\n        }\n        resolve(networkStream);\n      });\n\n      return Promise.all([workerIdPromise, networkStreamPromise]).then(\n        function ([workerId, networkStream]) {\n          if (task.destroyed) {\n            throw new Error(\"Loading aborted\");\n          }\n\n          const messageHandler = new MessageHandler(\n            docId,\n            workerId,\n            worker.port\n          );\n          messageHandler.postMessageTransfers = worker.postMessageTransfers;\n          const transport = new WorkerTransport(\n            messageHandler,\n            task,\n            networkStream,\n            params\n          );\n          task._transport = transport;\n          messageHandler.send(\"Ready\", null);\n        }\n      );\n    })\n    .catch(task._capability.reject);\n\n  return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n *\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId - Unique document ID, used in `MessageHandler`.\n * @returns {Promise} A promise that is resolved when the worker ID of the\n *   `MessageHandler` is known.\n * @private\n */\nfunction _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n  if (worker.destroyed) {\n    return Promise.reject(new Error(\"Worker was destroyed\"));\n  }\n\n  if (pdfDataRangeTransport) {\n    source.length = pdfDataRangeTransport.length;\n    source.initialData = pdfDataRangeTransport.initialData;\n    source.progressiveDone = pdfDataRangeTransport.progressiveDone;\n  }\n  return worker.messageHandler\n    .sendWithPromise(\"GetDocRequest\", {\n      docId,\n      apiVersion:\n        typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"TESTING\")\n          ? PDFJSDev.eval(\"BUNDLE_VERSION\")\n          : null,\n      // Only send the required properties, and *not* the entire object.\n      source: {\n        data: source.data,\n        url: source.url,\n        password: source.password,\n        disableAutoFetch: source.disableAutoFetch,\n        rangeChunkSize: source.rangeChunkSize,\n        length: source.length,\n      },\n      maxImageSize: source.maxImageSize,\n      disableFontFace: source.disableFontFace,\n      postMessageTransfers: worker.postMessageTransfers,\n      docBaseUrl: source.docBaseUrl,\n      ignoreErrors: source.ignoreErrors,\n      isEvalSupported: source.isEvalSupported,\n      fontExtraProperties: source.fontExtraProperties,\n    })\n    .then(function (workerId) {\n      if (worker.destroyed) {\n        throw new Error(\"Worker was destroyed\");\n      }\n      return workerId;\n    });\n}\n\n/**\n * The loading task controls the operations required to load a PDF document\n * (such as network requests) and provides a way to listen for completion,\n * after which individual pages can be rendered.\n *\n * @typedef {Object} PDFDocumentLoadingTask\n * @property {string} docId - Unique identifier for the document loading task.\n * @property {boolean} destroyed - Whether the loading task is destroyed or not.\n * @property {function} [onPassword] - Callback to request a password if a wrong\n *   or no password was provided. The callback receives two parameters: a\n *   function that should be called with the new password, and a reason (see\n *   {@link PasswordResponses}).\n * @property {function} [onProgress] - Callback to be able to monitor the\n *   loading progress of the PDF file (necessary to implement e.g. a loading\n *   bar). The callback receives an {Object} with the properties `loaded`\n *   ({number}) and `total` ({number}) that indicate how many bytes are loaded.\n * @property {function} [onUnsupportedFeature] - Callback for when an\n *   unsupported feature is used in the PDF document. The callback receives an\n *   {@link UNSUPPORTED_FEATURES} argument.\n * @property {Promise<PDFDocumentProxy>} promise - Promise for document loading\n *   task completion.\n * @property {function} destroy - Abort all network requests and destroy\n *   the worker. Returns a promise that is resolved when destruction is\n *   completed.\n */\n\n/**\n * @type {any}\n * @ignore\n */\nconst PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {\n  let nextDocumentId = 0;\n\n  /**\n   * The loading task controls the operations required to load a PDF document\n   * (such as network requests) and provides a way to listen for completion,\n   * after which individual pages can be rendered.\n   */\n  // eslint-disable-next-line no-shadow\n  class PDFDocumentLoadingTask {\n    constructor() {\n      this._capability = createPromiseCapability();\n      this._transport = null;\n      this._worker = null;\n\n      /**\n       * Unique identifier for the document loading task.\n       * @type {string}\n       */\n      this.docId = \"d\" + nextDocumentId++;\n\n      /**\n       * Whether the loading task is destroyed or not.\n       * @type {boolean}\n       */\n      this.destroyed = false;\n\n      /**\n       * Callback to request a password if a wrong or no password was provided.\n       * The callback receives two parameters: a function that should be called\n       * with the new password, and a reason (see {@link PasswordResponses}).\n       * @type {function}\n       */\n      this.onPassword = null;\n\n      /**\n       * Callback to be able to monitor the loading progress of the PDF file\n       * (necessary to implement e.g. a loading bar). The callback receives\n       * an {Object} with the properties `loaded` ({number}) and `total`\n       * ({number}) that indicate how many bytes are loaded.\n       * @type {function}\n       */\n      this.onProgress = null;\n\n      /**\n       * Callback for when an unsupported feature is used in the PDF document.\n       * The callback receives an {@link UNSUPPORTED_FEATURES} argument.\n       * @type {function}\n       */\n      this.onUnsupportedFeature = null;\n    }\n\n    /**\n     * Promise for document loading task completion.\n     * @type {Promise<PDFDocumentProxy>}\n     */\n    get promise() {\n      return this._capability.promise;\n    }\n\n    /**\n     * @returns {Promise<void>} A promise that is resolved when destruction is\n     *   completed.\n     */\n    destroy() {\n      this.destroyed = true;\n\n      const transportDestroyed = !this._transport\n        ? Promise.resolve()\n        : this._transport.destroy();\n      return transportDestroyed.then(() => {\n        this._transport = null;\n        if (this._worker) {\n          this._worker.destroy();\n          this._worker = null;\n        }\n      });\n    }\n  }\n  return PDFDocumentLoadingTask;\n})();\n\n/**\n * Abstract class to support range requests file loading.\n */\nclass PDFDataRangeTransport {\n  /**\n   * @param {number} length\n   * @param {Uint8Array} initialData\n   * @param {boolean} [progressiveDone]\n   */\n  constructor(length, initialData, progressiveDone = false) {\n    this.length = length;\n    this.initialData = initialData;\n    this.progressiveDone = progressiveDone;\n\n    this._rangeListeners = [];\n    this._progressListeners = [];\n    this._progressiveReadListeners = [];\n    this._progressiveDoneListeners = [];\n    this._readyCapability = createPromiseCapability();\n  }\n\n  addRangeListener(listener) {\n    this._rangeListeners.push(listener);\n  }\n\n  addProgressListener(listener) {\n    this._progressListeners.push(listener);\n  }\n\n  addProgressiveReadListener(listener) {\n    this._progressiveReadListeners.push(listener);\n  }\n\n  addProgressiveDoneListener(listener) {\n    this._progressiveDoneListeners.push(listener);\n  }\n\n  onDataRange(begin, chunk) {\n    for (const listener of this._rangeListeners) {\n      listener(begin, chunk);\n    }\n  }\n\n  onDataProgress(loaded, total) {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressListeners) {\n        listener(loaded, total);\n      }\n    });\n  }\n\n  onDataProgressiveRead(chunk) {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressiveReadListeners) {\n        listener(chunk);\n      }\n    });\n  }\n\n  onDataProgressiveDone() {\n    this._readyCapability.promise.then(() => {\n      for (const listener of this._progressiveDoneListeners) {\n        listener();\n      }\n    });\n  }\n\n  transportReady() {\n    this._readyCapability.resolve();\n  }\n\n  requestDataRange(begin, end) {\n    unreachable(\"Abstract method PDFDataRangeTransport.requestDataRange\");\n  }\n\n  abort() {}\n}\n\n/**\n * Proxy to a `PDFDocument` in the worker thread.\n */\nclass PDFDocumentProxy {\n  constructor(pdfInfo, transport) {\n    this._pdfInfo = pdfInfo;\n    this._transport = transport;\n  }\n\n  /**\n   * @type {AnnotationStorage} Storage for annotation data in forms.\n   */\n  get annotationStorage() {\n    return shadow(this, \"annotationStorage\", new AnnotationStorage());\n  }\n\n  /**\n   * @type {number} Total number of pages in the PDF file.\n   */\n  get numPages() {\n    return this._pdfInfo.numPages;\n  }\n\n  /**\n   * @type {string} A (not guaranteed to be) unique ID to identify a PDF.\n   */\n  get fingerprint() {\n    return this._pdfInfo.fingerprint;\n  }\n\n  /**\n   * @param {number} pageNumber - The page number to get. The first page is 1.\n   * @returns {Promise<PDFPageProxy>} A promise that is resolved with\n   *   a {@link PDFPageProxy} object.\n   */\n  getPage(pageNumber) {\n    return this._transport.getPage(pageNumber);\n  }\n\n  /**\n   * @param {{num: number, gen: number}} ref - The page reference. Must have\n   *   the `num` and `gen` properties.\n   * @returns {Promise<{num: number, gen: number}>} A promise that is resolved\n   *   with the page index (starting from zero) that is associated with the\n   *   reference.\n   */\n  getPageIndex(ref) {\n    return this._transport.getPageIndex(ref);\n  }\n\n  /**\n   * @returns {Promise<Object<string, Array<any>>>} A promise that is resolved\n   *   with a mapping from named destinations to references.\n   *\n   * This can be slow for large documents. Use `getDestination` instead.\n   */\n  getDestinations() {\n    return this._transport.getDestinations();\n  }\n\n  /**\n   * @param {string} id - The named destination to get.\n   * @returns {Promise<Array<any>>} A promise that is resolved with all\n   *   information of the given named destination.\n   */\n  getDestination(id) {\n    return this._transport.getDestination(id);\n  }\n\n  /**\n   * @returns {Promise<Array<string> | null>} A promise that is resolved with\n   *   an {Array} containing the page labels that correspond to the page\n   *   indexes, or `null` when no page labels are present in the PDF file.\n   */\n  getPageLabels() {\n    return this._transport.getPageLabels();\n  }\n\n  /**\n   * @returns {Promise<string>} A promise that is resolved with a {string}\n   *   containing the page layout name.\n   */\n  getPageLayout() {\n    return this._transport.getPageLayout();\n  }\n\n  /**\n   * @returns {Promise<string>} A promise that is resolved with a {string}\n   *   containing the page mode name.\n   */\n  getPageMode() {\n    return this._transport.getPageMode();\n  }\n\n  /**\n   * @returns {Promise<Object | null>} A promise that is resolved with an\n   *   {Object} containing the viewer preferences, or `null` when no viewer\n   *   preferences are present in the PDF file.\n   */\n  getViewerPreferences() {\n    return this._transport.getViewerPreferences();\n  }\n\n  /**\n   * @returns {Promise<any | null>} A promise that is resolved with an {Array}\n   *   containing the destination, or `null` when no open action is present\n   *   in the PDF.\n   */\n  getOpenAction() {\n    return this._transport.getOpenAction();\n  }\n\n  /**\n   * @returns {Promise<any>} A promise that is resolved with a lookup table\n   *   for mapping named attachments to their content.\n   */\n  getAttachments() {\n    return this._transport.getAttachments();\n  }\n\n  /**\n   * @returns {Promise<Array<string> | null>} A promise that is resolved with\n   *   an {Array} of all the JavaScript strings in the name tree, or `null`\n   *   if no JavaScript exists.\n   */\n  getJavaScript() {\n    return this._transport.getJavaScript();\n  }\n\n  /**\n   * @typedef {Object} OutlineNode\n   * @property {string} title\n   * @property {boolean} bold\n   * @property {boolean} italic\n   * @property {Uint8ClampedArray} color - The color in RGB format to use for\n   *   display purposes.\n   * @property {string | Array<any> | null} dest\n   * @property {string | null} url\n   * @property {string | undefined} unsafeUrl\n   * @property {boolean | undefined} newWindow\n   * @property {number | undefined} count\n   * @property {Array<OutlineNode>} items\n   */\n\n  /**\n   * @returns {Promise<Array<OutlineNode>>} A promise that is resolved with an\n   *   {Array} that is a tree outline (if it has one) of the PDF file.\n   */\n  getOutline() {\n    return this._transport.getOutline();\n  }\n\n  /**\n   * @returns {Promise<OptionalContentConfig>} A promise that is resolved with\n   *   an {@link OptionalContentConfig} that contains all the optional content\n   *   groups (assuming that the document has any).\n   */\n  getOptionalContentConfig() {\n    return this._transport.getOptionalContentConfig();\n  }\n\n  /**\n   * @returns {Promise<Array<number> | null>} A promise that is resolved with\n   *   an {Array} that contains the permission flags for the PDF document, or\n   *   `null` when no permissions are present in the PDF file.\n   */\n  getPermissions() {\n    return this._transport.getPermissions();\n  }\n\n  /**\n   * @returns {Promise<{ info: Object, metadata: Metadata }>} A promise that is\n   *   resolved with an {Object} that has `info` and `metadata` properties.\n   *   `info` is an {Object} filled with anything available in the information\n   *   dictionary and similarly `metadata` is a {Metadata} object with\n   *   information from the metadata section of the PDF.\n   */\n  getMetadata() {\n    return this._transport.getMetadata();\n  }\n\n  /**\n   * @returns {Promise<TypedArray>} A promise that is resolved with a\n   *   {TypedArray} that has the raw data from the PDF.\n   */\n  getData() {\n    return this._transport.getData();\n  }\n\n  /**\n   * @returns {Promise<{ length: number }>} A promise that is resolved when the\n   *   document's data is loaded. It is resolved with an {Object} that contains\n   *   the `length` property that indicates size of the PDF data in bytes.\n   */\n  getDownloadInfo() {\n    return this._transport.downloadInfoCapability.promise;\n  }\n\n  /**\n   * @returns {Promise<PDFDocumentStats>} A promise this is resolved with\n   *   current statistics about document structures (see\n   *   {@link PDFDocumentStats}).\n   */\n  getStats() {\n    return this._transport.getStats();\n  }\n\n  /**\n   * Cleans up resources allocated by the document on both the main and worker\n   * threads.\n   *\n   * NOTE: Do not, under any circumstances, call this method when rendering is\n   * currently ongoing since that may lead to rendering errors.\n   *\n   * @returns {Promise} A promise that is resolved when clean-up has finished.\n   */\n  cleanup() {\n    return this._transport.startCleanup();\n  }\n\n  /**\n   * Destroys the current document instance and terminates the worker.\n   */\n  destroy() {\n    return this.loadingTask.destroy();\n  }\n\n  /**\n   * @type {DocumentInitParameters} A subset of the current\n   *   {DocumentInitParameters}, which are either needed in the viewer and/or\n   *   whose default values may be affected by the `apiCompatibilityParams`.\n   */\n  get loadingParams() {\n    return this._transport.loadingParams;\n  }\n\n  /**\n   * @type {PDFDocumentLoadingTask} The loadingTask for the current document.\n   */\n  get loadingTask() {\n    return this._transport.loadingTask;\n  }\n\n  /**\n   * @param {AnnotationStorage} annotationStorage - Storage for annotation\n   *   data in forms.\n   * @returns {Promise<Uint8Array>} A promise that is resolved with a\n   *   {Uint8Array} containing the full data of the saved document.\n   */\n  saveDocument(annotationStorage) {\n    return this._transport.saveDocument(annotationStorage);\n  }\n}\n\n/**\n * Page getViewport parameters.\n *\n * @typedef {Object} GetViewportParameters\n * @property {number} scale - The desired scale of the viewport.\n * @property {number} [rotation] - The desired rotation, in degrees, of\n *   the viewport. If omitted it defaults to the page rotation.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.\n *   The default value is `0`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.\n *   The default value is `0`.\n * @property {boolean} [dontFlip] - If true, the y-axis will not be\n *   flipped. The default value is `false`.\n */\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} normalizeWhitespace - Replaces all occurrences of\n *   whitespace with standard spaces (0x20). The default value is `false`.\n * @property {boolean} disableCombineTextItems - Do not attempt to combine\n *   same line {@link TextItem}'s. The default value is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {Array<TextItem>} items - Array of {@link TextItem} objects.\n * @property {Object<string, TextStyle>} styles - {@link TextStyle} objects,\n *   indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - Text content.\n * @property {string} dir - Text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {Array<any>} transform - Transformation matrix.\n * @property {number} width - Width in device space.\n * @property {number} height - Height in device space.\n * @property {string} fontName - Font name used by PDF.js for converted font.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - Font ascent.\n * @property {number} descent - Font descent.\n * @property {boolean} vertical - Whether or not the text is in vertical mode.\n * @property {string} fontFamily - The possible font family.\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} intent - Determines the annotations that will be fetched,\n *   can be either 'display' (viewable annotations) or 'print' (printable\n *   annotations). If the parameter is omitted, all annotations are fetched.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by calling\n *   the `PDFPageProxy.getViewport` method.\n * @property {string} [intent] - Rendering intent, can be 'display' or 'print'.\n *   The default value is 'display'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [renderInteractiveForms] - Whether or not interactive\n *   form elements are rendered in the display layer. If so, we do not render\n *   them on the canvas as well.\n * @property {Array<any>} [transform] - Additional transform, applied just\n *   before viewport transform.\n * @property {Object} [imageLayer] - An object that has `beginLayout`,\n *   `endLayout` and `appendImage` functions.\n * @property {Object} [canvasFactory] - The factory instance that will be used\n *   when creating canvases. The default value is {new DOMCanvasFactory()}.\n * @property {Object | string} [background] - Background to use for the canvas.\n *   Any valid `canvas.fillStyle` can be used: a `DOMString` parsed as CSS\n *   <color> value, a `CanvasGradient` object (a linear or radial gradient) or\n *   a `CanvasPattern` object (a repetitive image). The default value is\n *   'rgb(255,255,255)'.\n * @property {AnnotationStorage} [annotationStorage] - Storage for annotation\n *   data in forms.\n * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -\n *   A promise that should resolve with an {@link OptionalContentConfig}\n *   created from `PDFDocumentProxy.getOptionalContentConfig`. If `null`,\n *   the configuration will be fetched automatically with the default visibility\n *   states set.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array<number>} fnArray - Array containing the operator functions.\n * @property {Array<any>} argsArray - Array containing the arguments of the\n *   functions.\n */\n\n/**\n * Proxy to a `PDFPage` in the worker thread.\n */\nclass PDFPageProxy {\n  constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {\n    this._pageIndex = pageIndex;\n    this._pageInfo = pageInfo;\n    this._ownerDocument = ownerDocument;\n    this._transport = transport;\n    this._stats = pdfBug ? new StatTimer() : null;\n    this._pdfBug = pdfBug;\n    this.commonObjs = transport.commonObjs;\n    this.objs = new PDFObjects();\n\n    this.cleanupAfterRender = false;\n    this.pendingCleanup = false;\n    this._intentStates = new Map();\n    this.destroyed = false;\n  }\n\n  /**\n   * @type {number} Page number of the page. First page is 1.\n   */\n  get pageNumber() {\n    return this._pageIndex + 1;\n  }\n\n  /**\n   * @type {number} The number of degrees the page is rotated clockwise.\n   */\n  get rotate() {\n    return this._pageInfo.rotate;\n  }\n\n  /**\n   * @type {Object} The reference that points to this page. It has `num` and\n   *   `gen` properties.\n   */\n  get ref() {\n    return this._pageInfo.ref;\n  }\n\n  /**\n   * @type {number} The default size of units in 1/72nds of an inch.\n   */\n  get userUnit() {\n    return this._pageInfo.userUnit;\n  }\n\n  /**\n   * @type {Array<number>} An array of the visible portion of the PDF page in\n   *   user space units [x1, y1, x2, y2].\n   */\n  get view() {\n    return this._pageInfo.view;\n  }\n\n  /**\n   * @param {GetViewportParameters} params - Viewport parameters.\n   * @returns {PageViewport} Contains 'width' and 'height' properties\n   *   along with transforms required for rendering.\n   */\n  getViewport({\n    scale,\n    rotation = this.rotate,\n    offsetX = 0,\n    offsetY = 0,\n    dontFlip = false,\n  } = {}) {\n    return new PageViewport({\n      viewBox: this.view,\n      scale,\n      rotation,\n      offsetX,\n      offsetY,\n      dontFlip,\n    });\n  }\n\n  /**\n   * @param {GetAnnotationsParameters} params - Annotation parameters.\n   * @returns {Promise<Array<any>>} A promise that is resolved with an\n   *   {Array} of the annotation objects.\n   */\n  getAnnotations({ intent = null } = {}) {\n    if (!this.annotationsPromise || this.annotationsIntent !== intent) {\n      this.annotationsPromise = this._transport.getAnnotations(\n        this._pageIndex,\n        intent\n      );\n      this.annotationsIntent = intent;\n    }\n    return this.annotationsPromise;\n  }\n\n  /**\n   * Begins the process of rendering a page to the desired context.\n   *\n   * @param {RenderParameters} params Page render parameters.\n   * @returns {RenderTask} An object that contains a promise that is\n   *   resolved when the page finishes rendering.\n   */\n  render({\n    canvasContext,\n    viewport,\n    intent = \"display\",\n    enableWebGL = false,\n    renderInteractiveForms = false,\n    transform = null,\n    imageLayer = null,\n    canvasFactory = null,\n    background = null,\n    annotationStorage = null,\n    optionalContentConfigPromise = null,\n  }) {\n    if (this._stats) {\n      this._stats.time(\"Overall\");\n    }\n\n    const renderingIntent = intent === \"print\" ? \"print\" : \"display\";\n    // If there was a pending destroy, cancel it so no cleanup happens during\n    // this call to render.\n    this.pendingCleanup = false;\n\n    if (!optionalContentConfigPromise) {\n      optionalContentConfigPromise = this._transport.getOptionalContentConfig();\n    }\n\n    let intentState = this._intentStates.get(renderingIntent);\n    if (!intentState) {\n      intentState = Object.create(null);\n      this._intentStates.set(renderingIntent, intentState);\n    }\n\n    // Ensure that a pending `streamReader` cancel timeout is always aborted.\n    if (intentState.streamReaderCancelTimeout) {\n      clearTimeout(intentState.streamReaderCancelTimeout);\n      intentState.streamReaderCancelTimeout = null;\n    }\n\n    const canvasFactoryInstance =\n      canvasFactory ||\n      new DefaultCanvasFactory({ ownerDocument: this._ownerDocument });\n    const webGLContext = new WebGLContext({\n      enable: enableWebGL,\n    });\n\n    // If there's no displayReadyCapability yet, then the operatorList\n    // was never requested before. Make the request and create the promise.\n    if (!intentState.displayReadyCapability) {\n      intentState.displayReadyCapability = createPromiseCapability();\n      intentState.operatorList = {\n        fnArray: [],\n        argsArray: [],\n        lastChunk: false,\n      };\n\n      if (this._stats) {\n        this._stats.time(\"Page Request\");\n      }\n      this._pumpOperatorList({\n        pageIndex: this._pageIndex,\n        intent: renderingIntent,\n        renderInteractiveForms: renderInteractiveForms === true,\n        annotationStorage:\n          (annotationStorage && annotationStorage.getAll()) || null,\n      });\n    }\n\n    const complete = error => {\n      const i = intentState.renderTasks.indexOf(internalRenderTask);\n      if (i >= 0) {\n        intentState.renderTasks.splice(i, 1);\n      }\n\n      // Attempt to reduce memory usage during *printing*, by always running\n      // cleanup once rendering has finished (regardless of cleanupAfterRender).\n      if (this.cleanupAfterRender || renderingIntent === \"print\") {\n        this.pendingCleanup = true;\n      }\n      this._tryCleanup();\n\n      if (error) {\n        internalRenderTask.capability.reject(error);\n\n        this._abortOperatorList({\n          intentState,\n          reason: error,\n        });\n      } else {\n        internalRenderTask.capability.resolve();\n      }\n      if (this._stats) {\n        this._stats.timeEnd(\"Rendering\");\n        this._stats.timeEnd(\"Overall\");\n      }\n    };\n\n    const internalRenderTask = new InternalRenderTask({\n      callback: complete,\n      // Only include the required properties, and *not* the entire object.\n      params: {\n        canvasContext,\n        viewport,\n        transform,\n        imageLayer,\n        background,\n      },\n      objs: this.objs,\n      commonObjs: this.commonObjs,\n      operatorList: intentState.operatorList,\n      pageIndex: this._pageIndex,\n      canvasFactory: canvasFactoryInstance,\n      webGLContext,\n      useRequestAnimationFrame: renderingIntent !== \"print\",\n      pdfBug: this._pdfBug,\n    });\n\n    if (!intentState.renderTasks) {\n      intentState.renderTasks = [];\n    }\n    intentState.renderTasks.push(internalRenderTask);\n    const renderTask = internalRenderTask.task;\n\n    Promise.all([\n      intentState.displayReadyCapability.promise,\n      optionalContentConfigPromise,\n    ])\n      .then(([transparency, optionalContentConfig]) => {\n        if (this.pendingCleanup) {\n          complete();\n          return;\n        }\n        if (this._stats) {\n          this._stats.time(\"Rendering\");\n        }\n        internalRenderTask.initializeGraphics({\n          transparency,\n          optionalContentConfig,\n        });\n        internalRenderTask.operatorListChanged();\n      })\n      .catch(complete);\n\n    return renderTask;\n  }\n\n  /**\n   * @returns {Promise<PDFOperatorList>} A promise resolved with an\n   *   {@link PDFOperatorList} object that represents page's operator list.\n   */\n  getOperatorList() {\n    function operatorListChanged() {\n      if (intentState.operatorList.lastChunk) {\n        intentState.opListReadCapability.resolve(intentState.operatorList);\n\n        const i = intentState.renderTasks.indexOf(opListTask);\n        if (i >= 0) {\n          intentState.renderTasks.splice(i, 1);\n        }\n      }\n    }\n\n    const renderingIntent = \"oplist\";\n    let intentState = this._intentStates.get(renderingIntent);\n    if (!intentState) {\n      intentState = Object.create(null);\n      this._intentStates.set(renderingIntent, intentState);\n    }\n    let opListTask;\n\n    if (!intentState.opListReadCapability) {\n      opListTask = Object.create(null);\n      opListTask.operatorListChanged = operatorListChanged;\n      intentState.opListReadCapability = createPromiseCapability();\n      intentState.renderTasks = [];\n      intentState.renderTasks.push(opListTask);\n      intentState.operatorList = {\n        fnArray: [],\n        argsArray: [],\n        lastChunk: false,\n      };\n\n      if (this._stats) {\n        this._stats.time(\"Page Request\");\n      }\n      this._pumpOperatorList({\n        pageIndex: this._pageIndex,\n        intent: renderingIntent,\n      });\n    }\n    return intentState.opListReadCapability.promise;\n  }\n\n  /**\n   * @param {getTextContentParameters} params - getTextContent parameters.\n   * @returns {ReadableStream} Stream for reading text content chunks.\n   */\n  streamTextContent({\n    normalizeWhitespace = false,\n    disableCombineTextItems = false,\n  } = {}) {\n    const TEXT_CONTENT_CHUNK_SIZE = 100;\n\n    return this._transport.messageHandler.sendWithStream(\n      \"GetTextContent\",\n      {\n        pageIndex: this._pageIndex,\n        normalizeWhitespace: normalizeWhitespace === true,\n        combineTextItems: disableCombineTextItems !== true,\n      },\n      {\n        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n        size(textContent) {\n          return textContent.items.length;\n        },\n      }\n    );\n  }\n\n  /**\n   * @param {getTextContentParameters} params - getTextContent parameters.\n   * @returns {Promise<TextContent>} A promise that is resolved with a\n   *   {@link TextContent} object that represents the page's text content.\n   */\n  getTextContent(params = {}) {\n    const readableStream = this.streamTextContent(params);\n\n    return new Promise(function (resolve, reject) {\n      function pump() {\n        reader.read().then(function ({ value, done }) {\n          if (done) {\n            resolve(textContent);\n            return;\n          }\n          Object.assign(textContent.styles, value.styles);\n          textContent.items.push(...value.items);\n          pump();\n        }, reject);\n      }\n\n      const reader = readableStream.getReader();\n      const textContent = {\n        items: [],\n        styles: Object.create(null),\n      };\n      pump();\n    });\n  }\n\n  /**\n   * Destroys the page object.\n   * @private\n   */\n  _destroy() {\n    this.destroyed = true;\n    this._transport.pageCache[this._pageIndex] = null;\n\n    const waitOn = [];\n    for (const [intent, intentState] of this._intentStates) {\n      this._abortOperatorList({\n        intentState,\n        reason: new Error(\"Page was destroyed.\"),\n        force: true,\n      });\n\n      if (intent === \"oplist\") {\n        // Avoid errors below, since the renderTasks are just stubs.\n        continue;\n      }\n      for (const internalRenderTask of intentState.renderTasks) {\n        waitOn.push(internalRenderTask.completed);\n        internalRenderTask.cancel();\n      }\n    }\n    this.objs.clear();\n    this.annotationsPromise = null;\n    this.pendingCleanup = false;\n    return Promise.all(waitOn);\n  }\n\n  /**\n   * Cleans up resources allocated by the page.\n   *\n   * @param {boolean} [resetStats] - Reset page stats, if enabled.\n   *   The default value is `false`.\n   * @returns {boolean} Indicates if clean-up was successfully run.\n   */\n  cleanup(resetStats = false) {\n    this.pendingCleanup = true;\n    return this._tryCleanup(resetStats);\n  }\n\n  /**\n   * Attempts to clean up if rendering is in a state where that's possible.\n   * @private\n   */\n  _tryCleanup(resetStats = false) {\n    if (!this.pendingCleanup) {\n      return false;\n    }\n    for (const { renderTasks, operatorList } of this._intentStates.values()) {\n      if (renderTasks.length !== 0 || !operatorList.lastChunk) {\n        return false;\n      }\n    }\n\n    this._intentStates.clear();\n    this.objs.clear();\n    this.annotationsPromise = null;\n    if (resetStats && this._stats) {\n      this._stats = new StatTimer();\n    }\n    this.pendingCleanup = false;\n    return true;\n  }\n\n  /**\n   * @private\n   */\n  _startRenderPage(transparency, intent) {\n    const intentState = this._intentStates.get(intent);\n    if (!intentState) {\n      return; // Rendering was cancelled.\n    }\n    if (this._stats) {\n      this._stats.timeEnd(\"Page Request\");\n    }\n    // TODO Refactor RenderPageRequest to separate rendering\n    // and operator list logic\n    if (intentState.displayReadyCapability) {\n      intentState.displayReadyCapability.resolve(transparency);\n    }\n  }\n\n  /**\n   * @private\n   */\n  _renderPageChunk(operatorListChunk, intentState) {\n    // Add the new chunk to the current operator list.\n    for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {\n      intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n      intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);\n    }\n    intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n\n    // Notify all the rendering tasks there are more operators to be consumed.\n    for (let i = 0; i < intentState.renderTasks.length; i++) {\n      intentState.renderTasks[i].operatorListChanged();\n    }\n\n    if (operatorListChunk.lastChunk) {\n      this._tryCleanup();\n    }\n  }\n\n  /**\n   * @private\n   */\n  _pumpOperatorList(args) {\n    assert(\n      args.intent,\n      'PDFPageProxy._pumpOperatorList: Expected \"intent\" argument.'\n    );\n\n    const readableStream = this._transport.messageHandler.sendWithStream(\n      \"GetOperatorList\",\n      args\n    );\n    const reader = readableStream.getReader();\n\n    const intentState = this._intentStates.get(args.intent);\n    intentState.streamReader = reader;\n\n    const pump = () => {\n      reader.read().then(\n        ({ value, done }) => {\n          if (done) {\n            intentState.streamReader = null;\n            return;\n          }\n          if (this._transport.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          this._renderPageChunk(value, intentState);\n          pump();\n        },\n        reason => {\n          intentState.streamReader = null;\n\n          if (this._transport.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          if (intentState.operatorList) {\n            // Mark operator list as complete.\n            intentState.operatorList.lastChunk = true;\n\n            for (let i = 0; i < intentState.renderTasks.length; i++) {\n              intentState.renderTasks[i].operatorListChanged();\n            }\n            this._tryCleanup();\n          }\n\n          if (intentState.displayReadyCapability) {\n            intentState.displayReadyCapability.reject(reason);\n          } else if (intentState.opListReadCapability) {\n            intentState.opListReadCapability.reject(reason);\n          } else {\n            throw reason;\n          }\n        }\n      );\n    };\n    pump();\n  }\n\n  /**\n   * @private\n   */\n  _abortOperatorList({ intentState, reason, force = false }) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'PDFPageProxy._abortOperatorList: Expected \"reason\" argument.'\n    );\n\n    if (!intentState.streamReader) {\n      return;\n    }\n    if (!force) {\n      // Ensure that an Error occurring in *only* one `InternalRenderTask`, e.g.\n      // multiple render() calls on the same canvas, won't break all rendering.\n      if (intentState.renderTasks.length !== 0) {\n        return;\n      }\n      // Don't immediately abort parsing on the worker-thread when rendering is\n      // cancelled, since that will unnecessarily delay re-rendering when (for\n      // partially parsed pages) e.g. zooming/rotation occurs in the viewer.\n      if (reason instanceof RenderingCancelledException) {\n        intentState.streamReaderCancelTimeout = setTimeout(() => {\n          this._abortOperatorList({ intentState, reason, force: true });\n          intentState.streamReaderCancelTimeout = null;\n        }, RENDERING_CANCELLED_TIMEOUT);\n        return;\n      }\n    }\n    intentState.streamReader.cancel(\n      new AbortException(reason && reason.message)\n    );\n    intentState.streamReader = null;\n\n    if (this._transport.destroyed) {\n      return; // Ignore any pending requests if the worker was terminated.\n    }\n    // Remove the current `intentState`, since a cancelled `getOperatorList`\n    // call on the worker-thread cannot be re-started...\n    for (const [intent, curIntentState] of this._intentStates) {\n      if (curIntentState === intentState) {\n        this._intentStates.delete(intent);\n        break;\n      }\n    }\n    // ... and force clean-up to ensure that any old state is always removed.\n    this.cleanup();\n  }\n\n  /**\n   * @type {Object} Returns page stats, if enabled; returns `null` otherwise.\n   */\n  get stats() {\n    return this._stats;\n  }\n}\n\nclass LoopbackPort {\n  constructor(defer = true) {\n    this._listeners = [];\n    this._defer = defer;\n    this._deferred = Promise.resolve(undefined);\n  }\n\n  postMessage(obj, transfers) {\n    function cloneValue(value) {\n      // Trying to perform a structured clone close to the spec, including\n      // transfers.\n      if (typeof value !== \"object\" || value === null) {\n        return value;\n      }\n      if (cloned.has(value)) {\n        // already cloned the object\n        return cloned.get(value);\n      }\n      let buffer, result;\n      if ((buffer = value.buffer) && isArrayBuffer(buffer)) {\n        // We found object with ArrayBuffer (typed array).\n        const transferable = transfers && transfers.includes(buffer);\n        if (transferable) {\n          result = new value.constructor(\n            buffer,\n            value.byteOffset,\n            value.byteLength\n          );\n        } else {\n          result = new value.constructor(value);\n        }\n        cloned.set(value, result);\n        return result;\n      }\n      result = Array.isArray(value) ? [] : {};\n      cloned.set(value, result); // adding to cache now for cyclic references\n      // Cloning all value and object properties, however ignoring properties\n      // defined via getter.\n      for (const i in value) {\n        let desc,\n          p = value;\n        while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {\n          p = Object.getPrototypeOf(p);\n        }\n        if (typeof desc.value === \"undefined\") {\n          continue;\n        }\n        if (typeof desc.value === \"function\") {\n          if (value.hasOwnProperty && value.hasOwnProperty(i)) {\n            throw new Error(\n              `LoopbackPort.postMessage - cannot clone: ${value[i]}`\n            );\n          }\n          continue;\n        }\n        result[i] = cloneValue(desc.value);\n      }\n      return result;\n    }\n\n    if (!this._defer) {\n      this._listeners.forEach(listener => {\n        listener.call(this, { data: obj });\n      });\n      return;\n    }\n\n    const cloned = new WeakMap();\n    const e = { data: cloneValue(obj) };\n    this._deferred.then(() => {\n      this._listeners.forEach(listener => {\n        listener.call(this, e);\n      });\n    });\n  }\n\n  addEventListener(name, listener) {\n    this._listeners.push(listener);\n  }\n\n  removeEventListener(name, listener) {\n    const i = this._listeners.indexOf(listener);\n    this._listeners.splice(i, 1);\n  }\n\n  terminate() {\n    this._listeners.length = 0;\n  }\n}\n\n/**\n * @typedef {Object} PDFWorkerParameters\n * @property {string} [name] - The name of the worker.\n * @property {Object} [port] - The `workerPort` object.\n * @property {number} [verbosity] - Controls the logging level; the\n *   constants from {@link VerbosityLevel} should be used.\n */\n\n/** @type {any} */\nconst PDFWorker = (function PDFWorkerClosure() {\n  const pdfWorkerPorts = new WeakMap();\n  let isWorkerDisabled = false;\n  let fallbackWorkerSrc;\n  let nextFakeWorkerId = 0;\n  let fakeWorkerCapability;\n\n  if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"GENERIC\")) {\n    // eslint-disable-next-line no-undef\n    if (isNodeJS && typeof __non_webpack_require__ === \"function\") {\n      // Workers aren't supported in Node.js, force-disabling them there.\n      isWorkerDisabled = true;\n\n      if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"LIB\")) {\n        fallbackWorkerSrc = \"../pdf.worker.js\";\n      } else {\n        fallbackWorkerSrc = \"./pdf.worker.js\";\n      }\n    } else if (typeof document === \"object\" && \"currentScript\" in document) {\n      const pdfjsFilePath =\n        document.currentScript && document.currentScript.src;\n      if (pdfjsFilePath) {\n        fallbackWorkerSrc = pdfjsFilePath.replace(\n          /(\\.(?:min\\.)?js)(\\?.*)?$/i,\n          \".worker$1$2\"\n        );\n      }\n    }\n  }\n\n  function getWorkerSrc() {\n    if (GlobalWorkerOptions.workerSrc) {\n      return GlobalWorkerOptions.workerSrc;\n    }\n    if (typeof fallbackWorkerSrc !== \"undefined\") {\n      if (!isNodeJS) {\n        deprecated('No \"GlobalWorkerOptions.workerSrc\" specified.');\n      }\n      return fallbackWorkerSrc;\n    }\n    throw new Error('No \"GlobalWorkerOptions.workerSrc\" specified.');\n  }\n\n  function getMainThreadWorkerMessageHandler() {\n    let mainWorkerMessageHandler;\n    try {\n      mainWorkerMessageHandler =\n        globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;\n    } catch (ex) {\n      /* Ignore errors. */\n    }\n    return mainWorkerMessageHandler || null;\n  }\n\n  // Loads worker code into main thread.\n  function setupFakeWorkerGlobal() {\n    if (fakeWorkerCapability) {\n      return fakeWorkerCapability.promise;\n    }\n    fakeWorkerCapability = createPromiseCapability();\n\n    const loader = async function () {\n      const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();\n\n      if (mainWorkerMessageHandler) {\n        // The worker was already loaded using e.g. a `<script>` tag.\n        return mainWorkerMessageHandler;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n        if (typeof SystemJS !== \"object\") {\n          // Manually load SystemJS, since it's only necessary for fake workers.\n          await loadScript(\"../node_modules/systemjs/dist/system.js\");\n          await loadScript(\"../systemjs.config.js\");\n        }\n        const worker = await SystemJS.import(\"pdfjs/core/worker.js\");\n        return worker.WorkerMessageHandler;\n      }\n      if (\n        PDFJSDev.test(\"GENERIC\") &&\n        isNodeJS &&\n        // eslint-disable-next-line no-undef\n        typeof __non_webpack_require__ === \"function\"\n      ) {\n        // Since bundlers, such as Webpack, cannot be told to leave `require`\n        // statements alone we are thus forced to jump through hoops in order\n        // to prevent `Critical dependency: ...` warnings in third-party\n        // deployments of the built `pdf.js`/`pdf.worker.js` files; see\n        // https://github.com/webpack/webpack/issues/8826\n        //\n        // The following hack is based on the assumption that code running in\n        // Node.js won't ever be affected by e.g. Content Security Policies that\n        // prevent the use of `eval`. If that ever occurs, we should revert this\n        // to a normal `__non_webpack_require__` statement and simply document\n        // the Webpack warnings instead (telling users to ignore them).\n        //\n        // eslint-disable-next-line no-eval\n        const worker = eval(\"require\")(getWorkerSrc());\n        return worker.WorkerMessageHandler;\n      }\n      await loadScript(getWorkerSrc());\n      return window.pdfjsWorker.WorkerMessageHandler;\n    };\n    loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);\n\n    return fakeWorkerCapability.promise;\n  }\n\n  function createCDNWrapper(url) {\n    // We will rely on blob URL's property to specify origin.\n    // We want this function to fail in case if createObjectURL or Blob do not\n    // exist or fail for some reason -- our Worker creation will fail anyway.\n    const wrapper = \"importScripts('\" + url + \"');\";\n    return URL.createObjectURL(new Blob([wrapper]));\n  }\n\n  /**\n   * PDF.js web worker abstraction that controls the instantiation of PDF\n   * documents. Message handlers are used to pass information from the main\n   * thread to the worker thread and vice versa. If the creation of a web\n   * worker is not possible, a \"fake\" worker will be used instead.\n   */\n  // eslint-disable-next-line no-shadow\n  class PDFWorker {\n    /**\n     * @param {PDFWorkerParameters} params - Worker initialization parameters.\n     */\n    constructor({\n      name = null,\n      port = null,\n      verbosity = getVerbosityLevel(),\n    } = {}) {\n      if (port && pdfWorkerPorts.has(port)) {\n        throw new Error(\"Cannot use more than one PDFWorker per port\");\n      }\n\n      this.name = name;\n      this.destroyed = false;\n      this.postMessageTransfers = true;\n      this.verbosity = verbosity;\n\n      this._readyCapability = createPromiseCapability();\n      this._port = null;\n      this._webWorker = null;\n      this._messageHandler = null;\n\n      if (port) {\n        pdfWorkerPorts.set(port, this);\n        this._initializeFromPort(port);\n        return;\n      }\n      this._initialize();\n    }\n\n    get promise() {\n      return this._readyCapability.promise;\n    }\n\n    get port() {\n      return this._port;\n    }\n\n    get messageHandler() {\n      return this._messageHandler;\n    }\n\n    _initializeFromPort(port) {\n      this._port = port;\n      this._messageHandler = new MessageHandler(\"main\", \"worker\", port);\n      this._messageHandler.on(\"ready\", function () {\n        // Ignoring 'ready' event -- MessageHandler shall be already initialized\n        // and ready to accept the messages.\n      });\n      this._readyCapability.resolve();\n    }\n\n    _initialize() {\n      // If worker support isn't disabled explicit and the browser has worker\n      // support, create a new web worker and test if it/the browser fulfills\n      // all requirements to run parts of pdf.js in a web worker.\n      // Right now, the requirement is, that an Uint8Array is still an\n      // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)\n      if (\n        typeof Worker !== \"undefined\" &&\n        !isWorkerDisabled &&\n        !getMainThreadWorkerMessageHandler()\n      ) {\n        let workerSrc = getWorkerSrc();\n\n        try {\n          // Wraps workerSrc path into blob URL, if the former does not belong\n          // to the same origin.\n          if (\n            typeof PDFJSDev !== \"undefined\" &&\n            PDFJSDev.test(\"GENERIC\") &&\n            !isSameOrigin(window.location.href, workerSrc)\n          ) {\n            workerSrc = createCDNWrapper(\n              new URL(workerSrc, window.location).href\n            );\n          }\n\n          // Some versions of FF can't create a worker on localhost, see:\n          // https://bugzilla.mozilla.org/show_bug.cgi?id=683280\n          const worker = new Worker(workerSrc);\n          const messageHandler = new MessageHandler(\"main\", \"worker\", worker);\n          const terminateEarly = () => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            messageHandler.destroy();\n            worker.terminate();\n            if (this.destroyed) {\n              this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n            } else {\n              // Fall back to fake worker if the termination is caused by an\n              // error (e.g. NetworkError / SecurityError).\n              this._setupFakeWorker();\n            }\n          };\n\n          const onWorkerError = () => {\n            if (!this._webWorker) {\n              // Worker failed to initialize due to an error. Clean up and fall\n              // back to the fake worker.\n              terminateEarly();\n            }\n          };\n          worker.addEventListener(\"error\", onWorkerError);\n\n          messageHandler.on(\"test\", data => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            if (this.destroyed) {\n              terminateEarly();\n              return; // worker was destroyed\n            }\n            if (data) {\n              // supportTypedArray\n              this._messageHandler = messageHandler;\n              this._port = worker;\n              this._webWorker = worker;\n              if (!data.supportTransfers) {\n                this.postMessageTransfers = false;\n              }\n              this._readyCapability.resolve();\n              // Send global setting, e.g. verbosity level.\n              messageHandler.send(\"configure\", {\n                verbosity: this.verbosity,\n              });\n            } else {\n              this._setupFakeWorker();\n              messageHandler.destroy();\n              worker.terminate();\n            }\n          });\n\n          messageHandler.on(\"ready\", data => {\n            worker.removeEventListener(\"error\", onWorkerError);\n            if (this.destroyed) {\n              terminateEarly();\n              return; // worker was destroyed\n            }\n            try {\n              sendTest();\n            } catch (e) {\n              // We need fallback to a faked worker.\n              this._setupFakeWorker();\n            }\n          });\n\n          const sendTest = () => {\n            const testObj = new Uint8Array([\n              this.postMessageTransfers ? 255 : 0,\n            ]);\n            // Some versions of Opera throw a DATA_CLONE_ERR on serializing the\n            // typed array. Also, checking if we can use transfers.\n            try {\n              messageHandler.send(\"test\", testObj, [testObj.buffer]);\n            } catch (ex) {\n              warn(\"Cannot use postMessage transfers.\");\n              testObj[0] = 0;\n              messageHandler.send(\"test\", testObj);\n            }\n          };\n\n          // It might take time for worker to initialize (especially when AMD\n          // loader is used). We will try to send test immediately, and then\n          // when 'ready' message will arrive. The worker shall process only\n          // first received 'test'.\n          sendTest();\n          return;\n        } catch (e) {\n          info(\"The worker has been disabled.\");\n        }\n      }\n      // Either workers are disabled, not supported or have thrown an exception.\n      // Thus, we fallback to a faked worker.\n      this._setupFakeWorker();\n    }\n\n    _setupFakeWorker() {\n      if (!isWorkerDisabled) {\n        warn(\"Setting up fake worker.\");\n        isWorkerDisabled = true;\n      }\n\n      setupFakeWorkerGlobal()\n        .then(WorkerMessageHandler => {\n          if (this.destroyed) {\n            this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n            return;\n          }\n          const port = new LoopbackPort();\n          this._port = port;\n\n          // All fake workers use the same port, making id unique.\n          const id = \"fake\" + nextFakeWorkerId++;\n\n          // If the main thread is our worker, setup the handling for the\n          // messages -- the main thread sends to it self.\n          const workerHandler = new MessageHandler(id + \"_worker\", id, port);\n          WorkerMessageHandler.setup(workerHandler, port);\n\n          const messageHandler = new MessageHandler(id, id + \"_worker\", port);\n          this._messageHandler = messageHandler;\n          this._readyCapability.resolve();\n          // Send global setting, e.g. verbosity level.\n          messageHandler.send(\"configure\", {\n            verbosity: this.verbosity,\n          });\n        })\n        .catch(reason => {\n          this._readyCapability.reject(\n            new Error(`Setting up fake worker failed: \"${reason.message}\".`)\n          );\n        });\n    }\n\n    /**\n     * Destroys the worker instance.\n     */\n    destroy() {\n      this.destroyed = true;\n      if (this._webWorker) {\n        // We need to terminate only web worker created resource.\n        this._webWorker.terminate();\n        this._webWorker = null;\n      }\n      pdfWorkerPorts.delete(this._port);\n      this._port = null;\n      if (this._messageHandler) {\n        this._messageHandler.destroy();\n        this._messageHandler = null;\n      }\n    }\n\n    /**\n     * @param {PDFWorkerParameters} params - The worker initialization\n     *   parameters.\n     */\n    static fromPort(params) {\n      if (!params || !params.port) {\n        throw new Error(\"PDFWorker.fromPort - invalid method signature.\");\n      }\n      if (pdfWorkerPorts.has(params.port)) {\n        return pdfWorkerPorts.get(params.port);\n      }\n      return new PDFWorker(params);\n    }\n\n    static getWorkerSrc() {\n      return getWorkerSrc();\n    }\n  }\n  return PDFWorker;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nclass WorkerTransport {\n  constructor(messageHandler, loadingTask, networkStream, params) {\n    this.messageHandler = messageHandler;\n    this.loadingTask = loadingTask;\n    this.commonObjs = new PDFObjects();\n    this.fontLoader = new FontLoader({\n      docId: loadingTask.docId,\n      onUnsupportedFeature: this._onUnsupportedFeature.bind(this),\n      ownerDocument: params.ownerDocument,\n    });\n    this._params = params;\n    this.CMapReaderFactory = new params.CMapReaderFactory({\n      baseUrl: params.cMapUrl,\n      isCompressed: params.cMapPacked,\n    });\n\n    this.destroyed = false;\n    this.destroyCapability = null;\n    this._passwordCapability = null;\n\n    this._networkStream = networkStream;\n    this._fullReader = null;\n    this._lastProgress = null;\n\n    this.pageCache = [];\n    this.pagePromises = [];\n    this.downloadInfoCapability = createPromiseCapability();\n\n    this.setupMessageHandler();\n  }\n\n  destroy() {\n    if (this.destroyCapability) {\n      return this.destroyCapability.promise;\n    }\n\n    this.destroyed = true;\n    this.destroyCapability = createPromiseCapability();\n\n    if (this._passwordCapability) {\n      this._passwordCapability.reject(\n        new Error(\"Worker was destroyed during onPassword callback\")\n      );\n    }\n\n    const waitOn = [];\n    // We need to wait for all renderings to be completed, e.g.\n    // timeout/rAF can take a long time.\n    this.pageCache.forEach(function (page) {\n      if (page) {\n        waitOn.push(page._destroy());\n      }\n    });\n    this.pageCache.length = 0;\n    this.pagePromises.length = 0;\n    // We also need to wait for the worker to finish its long running tasks.\n    const terminated = this.messageHandler.sendWithPromise(\"Terminate\", null);\n    waitOn.push(terminated);\n    Promise.all(waitOn).then(() => {\n      this.fontLoader.clear();\n      if (this._networkStream) {\n        this._networkStream.cancelAllRequests(\n          new AbortException(\"Worker was terminated.\")\n        );\n      }\n\n      if (this.messageHandler) {\n        this.messageHandler.destroy();\n        this.messageHandler = null;\n      }\n      this.destroyCapability.resolve();\n    }, this.destroyCapability.reject);\n    return this.destroyCapability.promise;\n  }\n\n  setupMessageHandler() {\n    const { messageHandler, loadingTask } = this;\n\n    messageHandler.on(\"GetReader\", (data, sink) => {\n      assert(\n        this._networkStream,\n        \"GetReader - no `IPDFStream` instance available.\"\n      );\n      this._fullReader = this._networkStream.getFullReader();\n      this._fullReader.onProgress = evt => {\n        this._lastProgress = {\n          loaded: evt.loaded,\n          total: evt.total,\n        };\n      };\n      sink.onPull = () => {\n        this._fullReader\n          .read()\n          .then(function ({ value, done }) {\n            if (done) {\n              sink.close();\n              return;\n            }\n            assert(\n              isArrayBuffer(value),\n              \"GetReader - expected an ArrayBuffer.\"\n            );\n            // Enqueue data chunk into sink, and transfer it\n            // to other side as `Transferable` object.\n            sink.enqueue(new Uint8Array(value), 1, [value]);\n          })\n          .catch(reason => {\n            sink.error(reason);\n          });\n      };\n\n      sink.onCancel = reason => {\n        this._fullReader.cancel(reason);\n\n        sink.ready.catch(readyReason => {\n          if (this.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          throw readyReason;\n        });\n      };\n    });\n\n    messageHandler.on(\"ReaderHeadersReady\", data => {\n      const headersCapability = createPromiseCapability();\n      const fullReader = this._fullReader;\n      fullReader.headersReady.then(() => {\n        // If stream or range are disabled, it's our only way to report\n        // loading progress.\n        if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {\n          if (this._lastProgress && loadingTask.onProgress) {\n            loadingTask.onProgress(this._lastProgress);\n          }\n          fullReader.onProgress = evt => {\n            if (loadingTask.onProgress) {\n              loadingTask.onProgress({\n                loaded: evt.loaded,\n                total: evt.total,\n              });\n            }\n          };\n        }\n\n        headersCapability.resolve({\n          isStreamingSupported: fullReader.isStreamingSupported,\n          isRangeSupported: fullReader.isRangeSupported,\n          contentLength: fullReader.contentLength,\n        });\n      }, headersCapability.reject);\n\n      return headersCapability.promise;\n    });\n\n    messageHandler.on(\"GetRangeReader\", (data, sink) => {\n      assert(\n        this._networkStream,\n        \"GetRangeReader - no `IPDFStream` instance available.\"\n      );\n      const rangeReader = this._networkStream.getRangeReader(\n        data.begin,\n        data.end\n      );\n\n      // When streaming is enabled, it's possible that the data requested here\n      // has already been fetched via the `_fullRequestReader` implementation.\n      // However, given that the PDF data is loaded asynchronously on the\n      // main-thread and then sent via `postMessage` to the worker-thread,\n      // it may not have been available during parsing (hence the attempt to\n      // use range requests here).\n      //\n      // To avoid wasting time and resources here, we'll thus *not* dispatch\n      // range requests if the data was already loaded but has not been sent to\n      // the worker-thread yet (which will happen via the `_fullRequestReader`).\n      if (!rangeReader) {\n        sink.close();\n        return;\n      }\n\n      sink.onPull = () => {\n        rangeReader\n          .read()\n          .then(function ({ value, done }) {\n            if (done) {\n              sink.close();\n              return;\n            }\n            assert(\n              isArrayBuffer(value),\n              \"GetRangeReader - expected an ArrayBuffer.\"\n            );\n            sink.enqueue(new Uint8Array(value), 1, [value]);\n          })\n          .catch(reason => {\n            sink.error(reason);\n          });\n      };\n\n      sink.onCancel = reason => {\n        rangeReader.cancel(reason);\n\n        sink.ready.catch(readyReason => {\n          if (this.destroyed) {\n            return; // Ignore any pending requests if the worker was terminated.\n          }\n          throw readyReason;\n        });\n      };\n    });\n\n    messageHandler.on(\"GetDoc\", ({ pdfInfo }) => {\n      this._numPages = pdfInfo.numPages;\n      loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));\n    });\n\n    messageHandler.on(\"DocException\", function (ex) {\n      let reason;\n      switch (ex.name) {\n        case \"PasswordException\":\n          reason = new PasswordException(ex.message, ex.code);\n          break;\n        case \"InvalidPDFException\":\n          reason = new InvalidPDFException(ex.message);\n          break;\n        case \"MissingPDFException\":\n          reason = new MissingPDFException(ex.message);\n          break;\n        case \"UnexpectedResponseException\":\n          reason = new UnexpectedResponseException(ex.message, ex.status);\n          break;\n        case \"UnknownErrorException\":\n          reason = new UnknownErrorException(ex.message, ex.details);\n          break;\n      }\n      if (!(reason instanceof Error)) {\n        const msg = \"DocException - expected a valid Error.\";\n        if (\n          typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")\n        ) {\n          unreachable(msg);\n        } else {\n          warn(msg);\n        }\n      }\n      loadingTask._capability.reject(reason);\n    });\n\n    messageHandler.on(\"PasswordRequest\", exception => {\n      this._passwordCapability = createPromiseCapability();\n\n      if (loadingTask.onPassword) {\n        const updatePassword = password => {\n          this._passwordCapability.resolve({\n            password,\n          });\n        };\n        try {\n          loadingTask.onPassword(updatePassword, exception.code);\n        } catch (ex) {\n          this._passwordCapability.reject(ex);\n        }\n      } else {\n        this._passwordCapability.reject(\n          new PasswordException(exception.message, exception.code)\n        );\n      }\n      return this._passwordCapability.promise;\n    });\n\n    messageHandler.on(\"DataLoaded\", data => {\n      // For consistency: Ensure that progress is always reported when the\n      // entire PDF file has been loaded, regardless of how it was fetched.\n      if (loadingTask.onProgress) {\n        loadingTask.onProgress({\n          loaded: data.length,\n          total: data.length,\n        });\n      }\n      this.downloadInfoCapability.resolve(data);\n    });\n\n    messageHandler.on(\"StartRenderPage\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      const page = this.pageCache[data.pageIndex];\n      page._startRenderPage(data.transparency, data.intent);\n    });\n\n    messageHandler.on(\"commonobj\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      const [id, type, exportedData] = data;\n      if (this.commonObjs.has(id)) {\n        return;\n      }\n\n      switch (type) {\n        case \"Font\":\n          const params = this._params;\n\n          if (\"error\" in exportedData) {\n            const exportedError = exportedData.error;\n            warn(`Error during font loading: ${exportedError}`);\n            this.commonObjs.resolve(id, exportedError);\n            break;\n          }\n\n          let fontRegistry = null;\n          if (\n            params.pdfBug &&\n            globalThis.FontInspector &&\n            globalThis.FontInspector.enabled\n          ) {\n            fontRegistry = {\n              registerFont(font, url) {\n                globalThis.FontInspector.fontAdded(font, url);\n              },\n            };\n          }\n          const font = new FontFaceObject(exportedData, {\n            isEvalSupported: params.isEvalSupported,\n            disableFontFace: params.disableFontFace,\n            ignoreErrors: params.ignoreErrors,\n            onUnsupportedFeature: this._onUnsupportedFeature.bind(this),\n            fontRegistry,\n          });\n\n          this.fontLoader\n            .bind(font)\n            .catch(reason => {\n              return messageHandler.sendWithPromise(\"FontFallback\", { id });\n            })\n            .finally(() => {\n              if (!params.fontExtraProperties && font.data) {\n                // Immediately release the `font.data` property once the font\n                // has been attached to the DOM, since it's no longer needed,\n                // rather than waiting for a `PDFDocumentProxy.cleanup` call.\n                // Since `font.data` could be very large, e.g. in some cases\n                // multiple megabytes, this will help reduce memory usage.\n                font.data = null;\n              }\n              this.commonObjs.resolve(id, font);\n            });\n          break;\n        case \"FontPath\":\n        case \"Image\":\n          this.commonObjs.resolve(id, exportedData);\n          break;\n        default:\n          throw new Error(`Got unknown common object type ${type}`);\n      }\n    });\n\n    messageHandler.on(\"obj\", data => {\n      if (this.destroyed) {\n        // Ignore any pending requests if the worker was terminated.\n        return undefined;\n      }\n\n      const [id, pageIndex, type, imageData] = data;\n      const pageProxy = this.pageCache[pageIndex];\n      if (pageProxy.objs.has(id)) {\n        return undefined;\n      }\n\n      switch (type) {\n        case \"Image\":\n          pageProxy.objs.resolve(id, imageData);\n\n          // Heuristic that will allow us not to store large data.\n          const MAX_IMAGE_SIZE_TO_STORE = 8000000;\n          if (\n            imageData &&\n            \"data\" in imageData &&\n            imageData.data.length > MAX_IMAGE_SIZE_TO_STORE\n          ) {\n            pageProxy.cleanupAfterRender = true;\n          }\n          break;\n        default:\n          throw new Error(`Got unknown object type ${type}`);\n      }\n      return undefined;\n    });\n\n    messageHandler.on(\"DocProgress\", data => {\n      if (this.destroyed) {\n        return; // Ignore any pending requests if the worker was terminated.\n      }\n\n      if (loadingTask.onProgress) {\n        loadingTask.onProgress({\n          loaded: data.loaded,\n          total: data.total,\n        });\n      }\n    });\n\n    messageHandler.on(\n      \"UnsupportedFeature\",\n      this._onUnsupportedFeature.bind(this)\n    );\n\n    messageHandler.on(\"FetchBuiltInCMap\", (data, sink) => {\n      if (this.destroyed) {\n        sink.error(new Error(\"Worker was destroyed\"));\n        return;\n      }\n      let fetched = false;\n\n      sink.onPull = () => {\n        if (fetched) {\n          sink.close();\n          return;\n        }\n        fetched = true;\n\n        this.CMapReaderFactory.fetch(data)\n          .then(function (builtInCMap) {\n            sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);\n          })\n          .catch(function (reason) {\n            sink.error(reason);\n          });\n      };\n    });\n  }\n\n  _onUnsupportedFeature({ featureId }) {\n    if (this.destroyed) {\n      return; // Ignore any pending requests if the worker was terminated.\n    }\n    if (this.loadingTask.onUnsupportedFeature) {\n      this.loadingTask.onUnsupportedFeature(featureId);\n    }\n  }\n\n  getData() {\n    return this.messageHandler.sendWithPromise(\"GetData\", null);\n  }\n\n  getPage(pageNumber) {\n    if (\n      !Number.isInteger(pageNumber) ||\n      pageNumber <= 0 ||\n      pageNumber > this._numPages\n    ) {\n      return Promise.reject(new Error(\"Invalid page request\"));\n    }\n\n    const pageIndex = pageNumber - 1;\n    if (pageIndex in this.pagePromises) {\n      return this.pagePromises[pageIndex];\n    }\n    const promise = this.messageHandler\n      .sendWithPromise(\"GetPage\", {\n        pageIndex,\n      })\n      .then(pageInfo => {\n        if (this.destroyed) {\n          throw new Error(\"Transport destroyed\");\n        }\n        const page = new PDFPageProxy(\n          pageIndex,\n          pageInfo,\n          this,\n          this._params.ownerDocument,\n          this._params.pdfBug\n        );\n        this.pageCache[pageIndex] = page;\n        return page;\n      });\n    this.pagePromises[pageIndex] = promise;\n    return promise;\n  }\n\n  getPageIndex(ref) {\n    return this.messageHandler\n      .sendWithPromise(\"GetPageIndex\", {\n        ref,\n      })\n      .catch(function (reason) {\n        return Promise.reject(new Error(reason));\n      });\n  }\n\n  getAnnotations(pageIndex, intent) {\n    return this.messageHandler.sendWithPromise(\"GetAnnotations\", {\n      pageIndex,\n      intent,\n    });\n  }\n\n  saveDocument(annotationStorage) {\n    return this.messageHandler\n      .sendWithPromise(\"SaveDocument\", {\n        numPages: this._numPages,\n        annotationStorage:\n          (annotationStorage && annotationStorage.getAll()) || null,\n        filename: this._fullReader ? this._fullReader.filename : null,\n      })\n      .finally(() => {\n        if (annotationStorage) {\n          annotationStorage.resetModified();\n        }\n      });\n  }\n\n  getDestinations() {\n    return this.messageHandler.sendWithPromise(\"GetDestinations\", null);\n  }\n\n  getDestination(id) {\n    if (typeof id !== \"string\") {\n      return Promise.reject(new Error(\"Invalid destination request.\"));\n    }\n    return this.messageHandler.sendWithPromise(\"GetDestination\", {\n      id,\n    });\n  }\n\n  getPageLabels() {\n    return this.messageHandler.sendWithPromise(\"GetPageLabels\", null);\n  }\n\n  getPageLayout() {\n    return this.messageHandler.sendWithPromise(\"GetPageLayout\", null);\n  }\n\n  getPageMode() {\n    return this.messageHandler.sendWithPromise(\"GetPageMode\", null);\n  }\n\n  getViewerPreferences() {\n    return this.messageHandler.sendWithPromise(\"GetViewerPreferences\", null);\n  }\n\n  getOpenAction() {\n    return this.messageHandler.sendWithPromise(\"GetOpenAction\", null);\n  }\n\n  getAttachments() {\n    return this.messageHandler.sendWithPromise(\"GetAttachments\", null);\n  }\n\n  getJavaScript() {\n    return this.messageHandler.sendWithPromise(\"GetJavaScript\", null);\n  }\n\n  getOutline() {\n    return this.messageHandler.sendWithPromise(\"GetOutline\", null);\n  }\n\n  getOptionalContentConfig() {\n    return this.messageHandler\n      .sendWithPromise(\"GetOptionalContentConfig\", null)\n      .then(results => {\n        return new OptionalContentConfig(results);\n      });\n  }\n\n  getPermissions() {\n    return this.messageHandler.sendWithPromise(\"GetPermissions\", null);\n  }\n\n  getMetadata() {\n    return this.messageHandler\n      .sendWithPromise(\"GetMetadata\", null)\n      .then(results => {\n        return {\n          info: results[0],\n          metadata: results[1] ? new Metadata(results[1]) : null,\n          contentDispositionFilename: this._fullReader\n            ? this._fullReader.filename\n            : null,\n        };\n      });\n  }\n\n  getStats() {\n    return this.messageHandler.sendWithPromise(\"GetStats\", null);\n  }\n\n  startCleanup() {\n    return this.messageHandler.sendWithPromise(\"Cleanup\", null).then(() => {\n      for (let i = 0, ii = this.pageCache.length; i < ii; i++) {\n        const page = this.pageCache[i];\n        if (page) {\n          const cleanupSuccessful = page.cleanup();\n\n          if (!cleanupSuccessful) {\n            throw new Error(\n              `startCleanup: Page ${i + 1} is currently rendering.`\n            );\n          }\n        }\n      }\n      this.commonObjs.clear();\n      this.fontLoader.clear();\n    });\n  }\n\n  get loadingParams() {\n    const params = this._params;\n    return shadow(this, \"loadingParams\", {\n      disableAutoFetch: params.disableAutoFetch,\n      disableFontFace: params.disableFontFace,\n    });\n  }\n}\n\n/**\n * A PDF document and page is built of many objects. E.g. there are objects for\n * fonts, images, rendering code, etc. These objects may get processed inside of\n * a worker. This class implements some basic methods to manage these objects.\n * @ignore\n */\nclass PDFObjects {\n  constructor() {\n    this._objs = Object.create(null);\n  }\n\n  /**\n   * Ensures there is an object defined for `objId`.\n   * @private\n   */\n  _ensureObj(objId) {\n    if (this._objs[objId]) {\n      return this._objs[objId];\n    }\n    return (this._objs[objId] = {\n      capability: createPromiseCapability(),\n      data: null,\n      resolved: false,\n    });\n  }\n\n  /**\n   * If called *without* callback, this returns the data of `objId` but the\n   * object needs to be resolved. If it isn't, this method throws.\n   *\n   * If called *with* a callback, the callback is called with the data of the\n   * object once the object is resolved. That means, if you call this method\n   * and the object is already resolved, the callback gets called right away.\n   */\n  get(objId, callback = null) {\n    // If there is a callback, then the get can be async and the object is\n    // not required to be resolved right now.\n    if (callback) {\n      this._ensureObj(objId).capability.promise.then(callback);\n      return null;\n    }\n    // If there isn't a callback, the user expects to get the resolved data\n    // directly.\n    const obj = this._objs[objId];\n    // If there isn't an object yet or the object isn't resolved, then the\n    // data isn't ready yet!\n    if (!obj || !obj.resolved) {\n      throw new Error(`Requesting object that isn't resolved yet ${objId}.`);\n    }\n    return obj.data;\n  }\n\n  has(objId) {\n    const obj = this._objs[objId];\n    return obj ? obj.resolved : false;\n  }\n\n  /**\n   * Resolves the object `objId` with optional `data`.\n   */\n  resolve(objId, data) {\n    const obj = this._ensureObj(objId);\n\n    obj.resolved = true;\n    obj.data = data;\n    obj.capability.resolve(data);\n  }\n\n  clear() {\n    this._objs = Object.create(null);\n  }\n}\n\n/**\n * Allows controlling of the rendering tasks.\n */\nclass RenderTask {\n  constructor(internalRenderTask) {\n    this._internalRenderTask = internalRenderTask;\n\n    /**\n     * Callback for incremental rendering -- a function that will be called\n     * each time the rendering is paused.  To continue rendering call the\n     * function that is the first argument to the callback.\n     * @type {function}\n     */\n    this.onContinue = null;\n  }\n\n  /**\n   * Promise for rendering task completion.\n   * @type {Promise<void>}\n   */\n  get promise() {\n    return this._internalRenderTask.capability.promise;\n  }\n\n  /**\n   * Cancels the rendering task. If the task is currently rendering it will\n   * not be cancelled until graphics pauses with a timeout. The promise that\n   * this object extends will be rejected when cancelled.\n   */\n  cancel() {\n    this._internalRenderTask.cancel();\n  }\n}\n\n/**\n * For internal use only.\n * @ignore\n */\nconst InternalRenderTask = (function InternalRenderTaskClosure() {\n  const canvasInRendering = new WeakSet();\n\n  // eslint-disable-next-line no-shadow\n  class InternalRenderTask {\n    constructor({\n      callback,\n      params,\n      objs,\n      commonObjs,\n      operatorList,\n      pageIndex,\n      canvasFactory,\n      webGLContext,\n      useRequestAnimationFrame = false,\n      pdfBug = false,\n    }) {\n      this.callback = callback;\n      this.params = params;\n      this.objs = objs;\n      this.commonObjs = commonObjs;\n      this.operatorListIdx = null;\n      this.operatorList = operatorList;\n      this._pageIndex = pageIndex;\n      this.canvasFactory = canvasFactory;\n      this.webGLContext = webGLContext;\n      this._pdfBug = pdfBug;\n\n      this.running = false;\n      this.graphicsReadyCallback = null;\n      this.graphicsReady = false;\n      this._useRequestAnimationFrame =\n        useRequestAnimationFrame === true && typeof window !== \"undefined\";\n      this.cancelled = false;\n      this.capability = createPromiseCapability();\n      this.task = new RenderTask(this);\n      // caching this-bound methods\n      this._continueBound = this._continue.bind(this);\n      this._scheduleNextBound = this._scheduleNext.bind(this);\n      this._nextBound = this._next.bind(this);\n      this._canvas = params.canvasContext.canvas;\n    }\n\n    get completed() {\n      return this.capability.promise.catch(function () {\n        // Ignoring errors, since we only want to know when rendering is\n        // no longer pending.\n      });\n    }\n\n    initializeGraphics({ transparency = false, optionalContentConfig }) {\n      if (this.cancelled) {\n        return;\n      }\n      if (this._canvas) {\n        if (canvasInRendering.has(this._canvas)) {\n          throw new Error(\n            \"Cannot use the same canvas during multiple render() operations. \" +\n              \"Use different canvas or ensure previous operations were \" +\n              \"cancelled or completed.\"\n          );\n        }\n        canvasInRendering.add(this._canvas);\n      }\n\n      if (\n        this._pdfBug &&\n        globalThis.StepperManager &&\n        globalThis.StepperManager.enabled\n      ) {\n        this.stepper = globalThis.StepperManager.create(this._pageIndex);\n        this.stepper.init(this.operatorList);\n        this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();\n      }\n      const {\n        canvasContext,\n        viewport,\n        transform,\n        imageLayer,\n        background,\n      } = this.params;\n\n      this.gfx = new CanvasGraphics(\n        canvasContext,\n        this.commonObjs,\n        this.objs,\n        this.canvasFactory,\n        this.webGLContext,\n        imageLayer,\n        optionalContentConfig\n      );\n      this.gfx.beginDrawing({\n        transform,\n        viewport,\n        transparency,\n        background,\n      });\n      this.operatorListIdx = 0;\n      this.graphicsReady = true;\n      if (this.graphicsReadyCallback) {\n        this.graphicsReadyCallback();\n      }\n    }\n\n    cancel(error = null) {\n      this.running = false;\n      this.cancelled = true;\n      if (this.gfx) {\n        this.gfx.endDrawing();\n      }\n      if (this._canvas) {\n        canvasInRendering.delete(this._canvas);\n      }\n      this.callback(\n        error ||\n          new RenderingCancelledException(\n            `Rendering cancelled, page ${this._pageIndex + 1}`,\n            \"canvas\"\n          )\n      );\n    }\n\n    operatorListChanged() {\n      if (!this.graphicsReady) {\n        if (!this.graphicsReadyCallback) {\n          this.graphicsReadyCallback = this._continueBound;\n        }\n        return;\n      }\n\n      if (this.stepper) {\n        this.stepper.updateOperatorList(this.operatorList);\n      }\n\n      if (this.running) {\n        return;\n      }\n      this._continue();\n    }\n\n    _continue() {\n      this.running = true;\n      if (this.cancelled) {\n        return;\n      }\n      if (this.task.onContinue) {\n        this.task.onContinue(this._scheduleNextBound);\n      } else {\n        this._scheduleNext();\n      }\n    }\n\n    _scheduleNext() {\n      if (this._useRequestAnimationFrame) {\n        window.requestAnimationFrame(() => {\n          this._nextBound().catch(this.cancel.bind(this));\n        });\n      } else {\n        Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));\n      }\n    }\n\n    async _next() {\n      if (this.cancelled) {\n        return;\n      }\n      this.operatorListIdx = this.gfx.executeOperatorList(\n        this.operatorList,\n        this.operatorListIdx,\n        this._continueBound,\n        this.stepper\n      );\n      if (this.operatorListIdx === this.operatorList.argsArray.length) {\n        this.running = false;\n        if (this.operatorList.lastChunk) {\n          this.gfx.endDrawing();\n          if (this._canvas) {\n            canvasInRendering.delete(this._canvas);\n          }\n          this.callback();\n        }\n      }\n    }\n  }\n  return InternalRenderTask;\n})();\n\n/** @type {string} */\nconst version =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_VERSION\") : null;\n/** @type {string} */\nconst build =\n  typeof PDFJSDev !== \"undefined\" ? PDFJSDev.eval(\"BUNDLE_BUILD\") : null;\n\nexport {\n  getDocument,\n  LoopbackPort,\n  PDFDataRangeTransport,\n  PDFWorker,\n  PDFDocumentProxy,\n  PDFPageProxy,\n  setPDFNetworkStreamFactory,\n  version,\n  build,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  IsEvalSupportedCached,\n  shadow,\n  string32,\n  unreachable,\n  UNSUPPORTED_FEATURES,\n  warn,\n} from \"../shared/util.js\";\n\nclass BaseFontLoader {\n  constructor({\n    docId,\n    onUnsupportedFeature,\n    ownerDocument = globalThis.document,\n  }) {\n    if (this.constructor === BaseFontLoader) {\n      unreachable(\"Cannot initialize BaseFontLoader.\");\n    }\n    this.docId = docId;\n    this._onUnsupportedFeature = onUnsupportedFeature;\n    this._document = ownerDocument;\n\n    this.nativeFontFaces = [];\n    this.styleElement = null;\n  }\n\n  addNativeFontFace(nativeFontFace) {\n    this.nativeFontFaces.push(nativeFontFace);\n    this._document.fonts.add(nativeFontFace);\n  }\n\n  insertRule(rule) {\n    let styleElement = this.styleElement;\n    if (!styleElement) {\n      styleElement = this.styleElement = this._document.createElement(\"style\");\n      styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;\n      this._document.documentElement\n        .getElementsByTagName(\"head\")[0]\n        .appendChild(styleElement);\n    }\n\n    const styleSheet = styleElement.sheet;\n    styleSheet.insertRule(rule, styleSheet.cssRules.length);\n  }\n\n  clear() {\n    this.nativeFontFaces.forEach(nativeFontFace => {\n      this._document.fonts.delete(nativeFontFace);\n    });\n    this.nativeFontFaces.length = 0;\n\n    if (this.styleElement) {\n      // Note: ChildNode.remove doesn't throw if the parentNode is undefined.\n      this.styleElement.remove();\n      this.styleElement = null;\n    }\n  }\n\n  async bind(font) {\n    // Add the font to the DOM only once; skip if the font is already loaded.\n    if (font.attached || font.missingFile) {\n      return;\n    }\n    font.attached = true;\n\n    if (this.isFontLoadingAPISupported) {\n      const nativeFontFace = font.createNativeFontFace();\n      if (nativeFontFace) {\n        this.addNativeFontFace(nativeFontFace);\n        try {\n          await nativeFontFace.loaded;\n        } catch (ex) {\n          this._onUnsupportedFeature({\n            featureId: UNSUPPORTED_FEATURES.errorFontLoadNative,\n          });\n          warn(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);\n\n          // When font loading failed, fall back to the built-in font renderer.\n          font.disableFontFace = true;\n          throw ex;\n        }\n      }\n      return; // The font was, asynchronously, loaded.\n    }\n\n    // !this.isFontLoadingAPISupported\n    const rule = font.createFontFaceRule();\n    if (rule) {\n      this.insertRule(rule);\n\n      if (this.isSyncFontLoadingSupported) {\n        return; // The font was, synchronously, loaded.\n      }\n      await new Promise(resolve => {\n        const request = this._queueLoadingCallback(resolve);\n        this._prepareFontLoadEvent([rule], [font], request);\n      });\n      // The font was, asynchronously, loaded.\n    }\n  }\n\n  _queueLoadingCallback(callback) {\n    unreachable(\"Abstract method `_queueLoadingCallback`.\");\n  }\n\n  get isFontLoadingAPISupported() {\n    const supported =\n      typeof this._document !== \"undefined\" && !!this._document.fonts;\n    return shadow(this, \"isFontLoadingAPISupported\", supported);\n  }\n\n  // eslint-disable-next-line getter-return\n  get isSyncFontLoadingSupported() {\n    unreachable(\"Abstract method `isSyncFontLoadingSupported`.\");\n  }\n\n  // eslint-disable-next-line getter-return\n  get _loadTestFont() {\n    unreachable(\"Abstract method `_loadTestFont`.\");\n  }\n\n  _prepareFontLoadEvent(rules, fontsToLoad, request) {\n    unreachable(\"Abstract method `_prepareFontLoadEvent`.\");\n  }\n}\n\nlet FontLoader;\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  FontLoader = class MozcentralFontLoader extends BaseFontLoader {\n    get isSyncFontLoadingSupported() {\n      return shadow(this, \"isSyncFontLoadingSupported\", true);\n    }\n  };\n} else {\n  // PDFJSDev.test('CHROME || GENERIC')\n\n  FontLoader = class GenericFontLoader extends BaseFontLoader {\n    constructor(params) {\n      super(params);\n      this.loadingContext = {\n        requests: [],\n        nextRequestId: 0,\n      };\n      this.loadTestFontId = 0;\n    }\n\n    get isSyncFontLoadingSupported() {\n      let supported = false;\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"CHROME\")) {\n        if (typeof navigator === \"undefined\") {\n          // Node.js - we can pretend that sync font loading is supported.\n          supported = true;\n        } else {\n          // User agent string sniffing is bad, but there is no reliable way to\n          // tell if the font is fully loaded and ready to be used with canvas.\n          const m = /Mozilla\\/5.0.*?rv:(\\d+).*? Gecko/.exec(\n            navigator.userAgent\n          );\n          if (m && m[1] >= 14) {\n            supported = true;\n          }\n          // TODO - other browsers...\n        }\n      }\n      return shadow(this, \"isSyncFontLoadingSupported\", supported);\n    }\n\n    _queueLoadingCallback(callback) {\n      function completeRequest() {\n        assert(!request.done, \"completeRequest() cannot be called twice.\");\n        request.done = true;\n\n        // Sending all completed requests in order of how they were queued.\n        while (context.requests.length > 0 && context.requests[0].done) {\n          const otherRequest = context.requests.shift();\n          setTimeout(otherRequest.callback, 0);\n        }\n      }\n\n      const context = this.loadingContext;\n      const request = {\n        id: `pdfjs-font-loading-${context.nextRequestId++}`,\n        done: false,\n        complete: completeRequest,\n        callback,\n      };\n      context.requests.push(request);\n      return request;\n    }\n\n    get _loadTestFont() {\n      const getLoadTestFont = function () {\n        // This is a CFF font with 1 glyph for '.' that fills its entire width\n        // and height.\n        return atob(\n          \"T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA\" +\n            \"FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA\" +\n            \"ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA\" +\n            \"AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1\" +\n            \"AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD\" +\n            \"6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM\" +\n            \"AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D\" +\n            \"IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA\" +\n            \"AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA\" +\n            \"AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB\" +\n            \"AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY\" +\n            \"AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA\" +\n            \"AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\" +\n            \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA\" +\n            \"AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC\" +\n            \"AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3\" +\n            \"Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj\" +\n            \"FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==\"\n        );\n      };\n      return shadow(this, \"_loadTestFont\", getLoadTestFont());\n    }\n\n    _prepareFontLoadEvent(rules, fonts, request) {\n      /** Hack begin */\n      // There's currently no event when a font has finished downloading so the\n      // following code is a dirty hack to 'guess' when a font is ready.\n      // It's assumed fonts are loaded in order, so add a known test font after\n      // the desired fonts and then test for the loading of that test font.\n\n      function int32(data, offset) {\n        return (\n          (data.charCodeAt(offset) << 24) |\n          (data.charCodeAt(offset + 1) << 16) |\n          (data.charCodeAt(offset + 2) << 8) |\n          (data.charCodeAt(offset + 3) & 0xff)\n        );\n      }\n      function spliceString(s, offset, remove, insert) {\n        const chunk1 = s.substring(0, offset);\n        const chunk2 = s.substring(offset + remove);\n        return chunk1 + insert + chunk2;\n      }\n      let i, ii;\n\n      // The temporary canvas is used to determine if fonts are loaded.\n      const canvas = this._document.createElement(\"canvas\");\n      canvas.width = 1;\n      canvas.height = 1;\n      const ctx = canvas.getContext(\"2d\");\n\n      let called = 0;\n      function isFontReady(name, callback) {\n        called++;\n        // With setTimeout clamping this gives the font ~100ms to load.\n        if (called > 30) {\n          warn(\"Load test font never loaded.\");\n          callback();\n          return;\n        }\n        ctx.font = \"30px \" + name;\n        ctx.fillText(\".\", 0, 20);\n        const imageData = ctx.getImageData(0, 0, 1, 1);\n        if (imageData.data[3] > 0) {\n          callback();\n          return;\n        }\n        setTimeout(isFontReady.bind(null, name, callback));\n      }\n\n      const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;\n      // Chromium seems to cache fonts based on a hash of the actual font data,\n      // so the font must be modified for each load test else it will appear to\n      // be loaded already.\n      // TODO: This could maybe be made faster by avoiding the btoa of the full\n      // font by splitting it in chunks before hand and padding the font id.\n      let data = this._loadTestFont;\n      const COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum)\n      data = spliceString(\n        data,\n        COMMENT_OFFSET,\n        loadTestFontId.length,\n        loadTestFontId\n      );\n      // CFF checksum is important for IE, adjusting it\n      const CFF_CHECKSUM_OFFSET = 16;\n      const XXXX_VALUE = 0x58585858; // the \"comment\" filled with 'X'\n      let checksum = int32(data, CFF_CHECKSUM_OFFSET);\n      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {\n        checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0;\n      }\n      if (i < loadTestFontId.length) {\n        // align to 4 bytes boundary\n        checksum =\n          (checksum - XXXX_VALUE + int32(loadTestFontId + \"XXX\", i)) | 0;\n      }\n      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));\n\n      const url = `url(data:font/opentype;base64,${btoa(data)});`;\n      const rule = `@font-face {font-family:\"${loadTestFontId}\";src:${url}}`;\n      this.insertRule(rule);\n\n      const names = [];\n      for (i = 0, ii = fonts.length; i < ii; i++) {\n        names.push(fonts[i].loadedName);\n      }\n      names.push(loadTestFontId);\n\n      const div = this._document.createElement(\"div\");\n      div.style.visibility = \"hidden\";\n      div.style.width = div.style.height = \"10px\";\n      div.style.position = \"absolute\";\n      div.style.top = div.style.left = \"0px\";\n\n      for (i = 0, ii = names.length; i < ii; ++i) {\n        const span = this._document.createElement(\"span\");\n        span.textContent = \"Hi\";\n        span.style.fontFamily = names[i];\n        div.appendChild(span);\n      }\n      this._document.body.appendChild(div);\n\n      isFontReady(loadTestFontId, () => {\n        this._document.body.removeChild(div);\n        request.complete();\n      });\n      /** Hack end */\n    }\n  };\n} // End of PDFJSDev.test('CHROME || GENERIC')\n\nclass FontFaceObject {\n  constructor(\n    translatedData,\n    {\n      isEvalSupported = true,\n      disableFontFace = false,\n      ignoreErrors = false,\n      onUnsupportedFeature = null,\n      fontRegistry = null,\n    }\n  ) {\n    this.compiledGlyphs = Object.create(null);\n    // importing translated data\n    for (const i in translatedData) {\n      this[i] = translatedData[i];\n    }\n    this.isEvalSupported = isEvalSupported !== false;\n    this.disableFontFace = disableFontFace === true;\n    this.ignoreErrors = ignoreErrors === true;\n    this._onUnsupportedFeature = onUnsupportedFeature;\n    this.fontRegistry = fontRegistry;\n  }\n\n  createNativeFontFace() {\n    if (!this.data || this.disableFontFace) {\n      return null;\n    }\n    const nativeFontFace = new FontFace(this.loadedName, this.data, {});\n\n    if (this.fontRegistry) {\n      this.fontRegistry.registerFont(this);\n    }\n    return nativeFontFace;\n  }\n\n  createFontFaceRule() {\n    if (!this.data || this.disableFontFace) {\n      return null;\n    }\n    const data = bytesToString(new Uint8Array(this.data));\n    // Add the @font-face rule to the document.\n    const url = `url(data:${this.mimetype};base64,${btoa(data)});`;\n    const rule = `@font-face {font-family:\"${this.loadedName}\";src:${url}}`;\n\n    if (this.fontRegistry) {\n      this.fontRegistry.registerFont(this, url);\n    }\n    return rule;\n  }\n\n  getPathGenerator(objs, character) {\n    if (this.compiledGlyphs[character] !== undefined) {\n      return this.compiledGlyphs[character];\n    }\n\n    let cmds, current;\n    try {\n      cmds = objs.get(this.loadedName + \"_path_\" + character);\n    } catch (ex) {\n      if (!this.ignoreErrors) {\n        throw ex;\n      }\n      if (this._onUnsupportedFeature) {\n        this._onUnsupportedFeature({\n          featureId: UNSUPPORTED_FEATURES.errorFontGetPath,\n        });\n      }\n      warn(`getPathGenerator - ignoring character: \"${ex}\".`);\n\n      return (this.compiledGlyphs[character] = function (c, size) {\n        // No-op function, to allow rendering to continue.\n      });\n    }\n\n    // If we can, compile cmds into JS for MAXIMUM SPEED...\n    if (this.isEvalSupported && IsEvalSupportedCached.value) {\n      let args,\n        js = \"\";\n      for (let i = 0, ii = cmds.length; i < ii; i++) {\n        current = cmds[i];\n\n        if (current.args !== undefined) {\n          args = current.args.join(\",\");\n        } else {\n          args = \"\";\n        }\n        js += \"c.\" + current.cmd + \"(\" + args + \");\\n\";\n      }\n      // eslint-disable-next-line no-new-func\n      return (this.compiledGlyphs[character] = new Function(\"c\", \"size\", js));\n    }\n    // ... but fall back on using Function.prototype.apply() if we're\n    // blocked from using eval() for whatever reason (like CSP policies).\n    return (this.compiledGlyphs[character] = function (c, size) {\n      for (let i = 0, ii = cmds.length; i < ii; i++) {\n        current = cmds[i];\n\n        if (current.cmd === \"scale\") {\n          current.args = [size, -size];\n        }\n        c[current.cmd].apply(c, current.args);\n      }\n    });\n  }\n}\n\nexport { FontFaceObject, FontLoader };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n/* eslint no-var: error */\n\nimport { BaseCanvasFactory, BaseCMapReaderFactory } from \"./display_utils.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { unreachable } from \"../shared/util.js\";\n\nlet NodeCanvasFactory = class {\n  constructor() {\n    unreachable(\"Not implemented: NodeCanvasFactory\");\n  }\n};\n\nlet NodeCMapReaderFactory = class {\n  constructor() {\n    unreachable(\"Not implemented: NodeCMapReaderFactory\");\n  }\n};\n\nif ((typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) && isNodeJS) {\n  NodeCanvasFactory = class extends BaseCanvasFactory {\n    create(width, height) {\n      if (width <= 0 || height <= 0) {\n        throw new Error(\"Invalid canvas size\");\n      }\n      const Canvas = __non_webpack_require__(\"canvas\");\n      const canvas = Canvas.createCanvas(width, height);\n      return {\n        canvas,\n        context: canvas.getContext(\"2d\"),\n      };\n    }\n  };\n\n  NodeCMapReaderFactory = class extends BaseCMapReaderFactory {\n    _fetchData(url, compressionType) {\n      return new Promise((resolve, reject) => {\n        const fs = __non_webpack_require__(\"fs\");\n        fs.readFile(url, (error, data) => {\n          if (error || !data) {\n            reject(new Error(error));\n            return;\n          }\n          resolve({ cMapData: new Uint8Array(data), compressionType });\n        });\n      });\n    }\n  };\n}\n\nexport { NodeCanvasFactory, NodeCMapReaderFactory };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * Key/value storage for annotation data in forms.\n */\nclass AnnotationStorage {\n  constructor() {\n    this._storage = new Map();\n    this._modified = false;\n\n    // Callbacks to signal when the modification state is set or reset.\n    // This is used by the viewer to only bind on `beforeunload` if forms\n    // are actually edited to prevent doing so unconditionally since that\n    // can have undesirable efffects.\n    this.onSetModified = null;\n    this.onResetModified = null;\n  }\n\n  /**\n   * Get the value for a given key if it exists\n   * or store and return the default value\n   *\n   * @public\n   * @memberof AnnotationStorage\n   * @param {string} key\n   * @param {Object} defaultValue\n   * @returns {Object}\n   */\n  getOrCreateValue(key, defaultValue) {\n    if (this._storage.has(key)) {\n      return this._storage.get(key);\n    }\n\n    this._storage.set(key, defaultValue);\n    return defaultValue;\n  }\n\n  /**\n   * Set the value for a given key\n   *\n   * @public\n   * @memberof AnnotationStorage\n   * @param {string} key\n   * @param {Object} value\n   */\n  setValue(key, value) {\n    if (this._storage.get(key) !== value) {\n      this._setModified();\n    }\n    this._storage.set(key, value);\n  }\n\n  getAll() {\n    if (this._storage.size === 0) {\n      return null;\n    }\n    return Object.fromEntries(this._storage);\n  }\n\n  get size() {\n    return this._storage.size;\n  }\n\n  /**\n   * @private\n   */\n  _setModified() {\n    if (!this._modified) {\n      this._modified = true;\n      if (typeof this.onSetModified === \"function\") {\n        this.onSetModified();\n      }\n    }\n  }\n\n  resetModified() {\n    if (this._modified) {\n      this._modified = false;\n      if (typeof this.onResetModified === \"function\") {\n        this.onResetModified();\n      }\n    }\n  }\n}\n\nexport { AnnotationStorage };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { isNodeJS } from \"../shared/is_node.js\";\n\nconst compatibilityParams = Object.create(null);\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  // Support: Node.js\n  (function checkFontFace() {\n    // Node.js is missing native support for `@font-face`.\n    if (isNodeJS) {\n      compatibilityParams.disableFontFace = true;\n    }\n  })();\n}\nconst apiCompatibilityParams = Object.freeze(compatibilityParams);\n\nexport { apiCompatibilityParams };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  ImageKind,\n  info,\n  IsLittleEndianCached,\n  isNum,\n  OPS,\n  shadow,\n  TextRenderingMode,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { getShadingPatternFromIR, TilingPattern } from \"./pattern_helper.js\";\n\n// <canvas> contexts store most of the state we need natively.\n// However, PDF needs a bit more state, which we store here.\n\n// Minimal font size that would be used during canvas fillText operations.\nvar MIN_FONT_SIZE = 16;\n// Maximum font size that would be used during canvas fillText operations.\nvar MAX_FONT_SIZE = 100;\nvar MAX_GROUP_SIZE = 4096;\n\n// Heuristic value used when enforcing minimum line widths.\nvar MIN_WIDTH_FACTOR = 0.65;\n\nvar COMPILE_TYPE3_GLYPHS = true;\nvar MAX_SIZE_TO_COMPILE = 1000;\n\nvar FULL_CHUNK_HEIGHT = 16;\n\nfunction addContextCurrentTransform(ctx) {\n  // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.\n  if (!ctx.mozCurrentTransform) {\n    ctx._originalSave = ctx.save;\n    ctx._originalRestore = ctx.restore;\n    ctx._originalRotate = ctx.rotate;\n    ctx._originalScale = ctx.scale;\n    ctx._originalTranslate = ctx.translate;\n    ctx._originalTransform = ctx.transform;\n    ctx._originalSetTransform = ctx.setTransform;\n\n    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];\n    ctx._transformStack = [];\n\n    Object.defineProperty(ctx, \"mozCurrentTransform\", {\n      get: function getCurrentTransform() {\n        return this._transformMatrix;\n      },\n    });\n\n    Object.defineProperty(ctx, \"mozCurrentTransformInverse\", {\n      get: function getCurrentTransformInverse() {\n        // Calculation done using WolframAlpha:\n        // http://www.wolframalpha.com/input/?\n        //   i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}\n\n        var m = this._transformMatrix;\n        var a = m[0],\n          b = m[1],\n          c = m[2],\n          d = m[3],\n          e = m[4],\n          f = m[5];\n\n        var ad_bc = a * d - b * c;\n        var bc_ad = b * c - a * d;\n\n        return [\n          d / ad_bc,\n          b / bc_ad,\n          c / bc_ad,\n          a / ad_bc,\n          (d * e - c * f) / bc_ad,\n          (b * e - a * f) / ad_bc,\n        ];\n      },\n    });\n\n    ctx.save = function ctxSave() {\n      var old = this._transformMatrix;\n      this._transformStack.push(old);\n      this._transformMatrix = old.slice(0, 6);\n\n      this._originalSave();\n    };\n\n    ctx.restore = function ctxRestore() {\n      var prev = this._transformStack.pop();\n      if (prev) {\n        this._transformMatrix = prev;\n        this._originalRestore();\n      }\n    };\n\n    ctx.translate = function ctxTranslate(x, y) {\n      var m = this._transformMatrix;\n      m[4] = m[0] * x + m[2] * y + m[4];\n      m[5] = m[1] * x + m[3] * y + m[5];\n\n      this._originalTranslate(x, y);\n    };\n\n    ctx.scale = function ctxScale(x, y) {\n      var m = this._transformMatrix;\n      m[0] = m[0] * x;\n      m[1] = m[1] * x;\n      m[2] = m[2] * y;\n      m[3] = m[3] * y;\n\n      this._originalScale(x, y);\n    };\n\n    ctx.transform = function ctxTransform(a, b, c, d, e, f) {\n      var m = this._transformMatrix;\n      this._transformMatrix = [\n        m[0] * a + m[2] * b,\n        m[1] * a + m[3] * b,\n        m[0] * c + m[2] * d,\n        m[1] * c + m[3] * d,\n        m[0] * e + m[2] * f + m[4],\n        m[1] * e + m[3] * f + m[5],\n      ];\n\n      ctx._originalTransform(a, b, c, d, e, f);\n    };\n\n    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {\n      this._transformMatrix = [a, b, c, d, e, f];\n\n      ctx._originalSetTransform(a, b, c, d, e, f);\n    };\n\n    ctx.rotate = function ctxRotate(angle) {\n      var cosValue = Math.cos(angle);\n      var sinValue = Math.sin(angle);\n\n      var m = this._transformMatrix;\n      this._transformMatrix = [\n        m[0] * cosValue + m[2] * sinValue,\n        m[1] * cosValue + m[3] * sinValue,\n        m[0] * -sinValue + m[2] * cosValue,\n        m[1] * -sinValue + m[3] * cosValue,\n        m[4],\n        m[5],\n      ];\n\n      this._originalRotate(angle);\n    };\n  }\n}\n\nvar CachedCanvases = (function CachedCanvasesClosure() {\n  // eslint-disable-next-line no-shadow\n  function CachedCanvases(canvasFactory) {\n    this.canvasFactory = canvasFactory;\n    this.cache = Object.create(null);\n  }\n  CachedCanvases.prototype = {\n    getCanvas: function CachedCanvases_getCanvas(\n      id,\n      width,\n      height,\n      trackTransform\n    ) {\n      var canvasEntry;\n      if (this.cache[id] !== undefined) {\n        canvasEntry = this.cache[id];\n        this.canvasFactory.reset(canvasEntry, width, height);\n        // reset canvas transform for emulated mozCurrentTransform, if needed\n        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);\n      } else {\n        canvasEntry = this.canvasFactory.create(width, height);\n        this.cache[id] = canvasEntry;\n      }\n      if (trackTransform) {\n        addContextCurrentTransform(canvasEntry.context);\n      }\n      return canvasEntry;\n    },\n    clear() {\n      for (var id in this.cache) {\n        var canvasEntry = this.cache[id];\n        this.canvasFactory.destroy(canvasEntry);\n        delete this.cache[id];\n      }\n    },\n  };\n  return CachedCanvases;\n})();\n\nfunction compileType3Glyph(imgData) {\n  var POINT_TO_PROCESS_LIMIT = 1000;\n\n  var width = imgData.width,\n    height = imgData.height;\n  var i,\n    j,\n    j0,\n    width1 = width + 1;\n  var points = new Uint8Array(width1 * (height + 1));\n  // prettier-ignore\n  var POINT_TYPES =\n      new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);\n\n  // decodes bit-packed mask data\n  var lineSize = (width + 7) & ~7,\n    data0 = imgData.data;\n  var data = new Uint8Array(lineSize * height),\n    pos = 0,\n    ii;\n  for (i = 0, ii = data0.length; i < ii; i++) {\n    var mask = 128,\n      elem = data0[i];\n    while (mask > 0) {\n      data[pos++] = elem & mask ? 0 : 255;\n      mask >>= 1;\n    }\n  }\n\n  // finding interesting points: every point is located between mask pixels,\n  // so there will be points of the (width + 1)x(height + 1) grid. Every point\n  // will have flags assigned based on neighboring mask pixels:\n  //   4 | 8\n  //   --P--\n  //   2 | 1\n  // We are interested only in points with the flags:\n  //   - outside corners: 1, 2, 4, 8;\n  //   - inside corners: 7, 11, 13, 14;\n  //   - and, intersections: 5, 10.\n  var count = 0;\n  pos = 0;\n  if (data[pos] !== 0) {\n    points[0] = 1;\n    ++count;\n  }\n  for (j = 1; j < width; j++) {\n    if (data[pos] !== data[pos + 1]) {\n      points[j] = data[pos] ? 2 : 1;\n      ++count;\n    }\n    pos++;\n  }\n  if (data[pos] !== 0) {\n    points[j] = 2;\n    ++count;\n  }\n  for (i = 1; i < height; i++) {\n    pos = i * lineSize;\n    j0 = i * width1;\n    if (data[pos - lineSize] !== data[pos]) {\n      points[j0] = data[pos] ? 1 : 8;\n      ++count;\n    }\n    // 'sum' is the position of the current pixel configuration in the 'TYPES'\n    // array (in order 8-1-2-4, so we can use '>>2' to shift the column).\n    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);\n    for (j = 1; j < width; j++) {\n      sum =\n        (sum >> 2) +\n        (data[pos + 1] ? 4 : 0) +\n        (data[pos - lineSize + 1] ? 8 : 0);\n      if (POINT_TYPES[sum]) {\n        points[j0 + j] = POINT_TYPES[sum];\n        ++count;\n      }\n      pos++;\n    }\n    if (data[pos - lineSize] !== data[pos]) {\n      points[j0 + j] = data[pos] ? 2 : 4;\n      ++count;\n    }\n\n    if (count > POINT_TO_PROCESS_LIMIT) {\n      return null;\n    }\n  }\n\n  pos = lineSize * (height - 1);\n  j0 = i * width1;\n  if (data[pos] !== 0) {\n    points[j0] = 8;\n    ++count;\n  }\n  for (j = 1; j < width; j++) {\n    if (data[pos] !== data[pos + 1]) {\n      points[j0 + j] = data[pos] ? 4 : 8;\n      ++count;\n    }\n    pos++;\n  }\n  if (data[pos] !== 0) {\n    points[j0 + j] = 4;\n    ++count;\n  }\n  if (count > POINT_TO_PROCESS_LIMIT) {\n    return null;\n  }\n\n  // building outlines\n  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);\n  var outlines = [];\n  for (i = 0; count && i <= height; i++) {\n    var p = i * width1;\n    var end = p + width;\n    while (p < end && !points[p]) {\n      p++;\n    }\n    if (p === end) {\n      continue;\n    }\n    var coords = [p % width1, i];\n\n    var type = points[p],\n      p0 = p,\n      pp;\n    do {\n      var step = steps[type];\n      do {\n        p += step;\n      } while (!points[p]);\n\n      pp = points[p];\n      if (pp !== 5 && pp !== 10) {\n        // set new direction\n        type = pp;\n        // delete mark\n        points[p] = 0;\n      } else {\n        // type is 5 or 10, ie, a crossing\n        // set new direction\n        type = pp & ((0x33 * type) >> 4);\n        // set new type for \"future hit\"\n        points[p] &= (type >> 2) | (type << 2);\n      }\n\n      coords.push(p % width1);\n      coords.push((p / width1) | 0);\n\n      if (!points[p]) {\n        --count;\n      }\n    } while (p0 !== p);\n    outlines.push(coords);\n    --i;\n  }\n\n  var drawOutline = function (c) {\n    c.save();\n    // the path shall be painted in [0..1]x[0..1] space\n    c.scale(1 / width, -1 / height);\n    c.translate(0, -height);\n    c.beginPath();\n    for (let k = 0, kk = outlines.length; k < kk; k++) {\n      var o = outlines[k];\n      c.moveTo(o[0], o[1]);\n      for (let l = 2, ll = o.length; l < ll; l += 2) {\n        c.lineTo(o[l], o[l + 1]);\n      }\n    }\n    c.fill();\n    c.beginPath();\n    c.restore();\n  };\n\n  return drawOutline;\n}\n\nvar CanvasExtraState = (function CanvasExtraStateClosure() {\n  // eslint-disable-next-line no-shadow\n  function CanvasExtraState() {\n    // Are soft masks and alpha values shapes or opacities?\n    this.alphaIsShape = false;\n    this.fontSize = 0;\n    this.fontSizeScale = 1;\n    this.textMatrix = IDENTITY_MATRIX;\n    this.textMatrixScale = 1;\n    this.fontMatrix = FONT_IDENTITY_MATRIX;\n    this.leading = 0;\n    // Current point (in user coordinates)\n    this.x = 0;\n    this.y = 0;\n    // Start of text line (in text coordinates)\n    this.lineX = 0;\n    this.lineY = 0;\n    // Character and word spacing\n    this.charSpacing = 0;\n    this.wordSpacing = 0;\n    this.textHScale = 1;\n    this.textRenderingMode = TextRenderingMode.FILL;\n    this.textRise = 0;\n    // Default fore and background colors\n    this.fillColor = \"#000000\";\n    this.strokeColor = \"#000000\";\n    this.patternFill = false;\n    // Note: fill alpha applies to all non-stroking operations\n    this.fillAlpha = 1;\n    this.strokeAlpha = 1;\n    this.lineWidth = 1;\n    this.activeSMask = null;\n    this.resumeSMaskCtx = null; // nonclonable field (see the save method below)\n    this.transferMaps = null;\n  }\n\n  CanvasExtraState.prototype = {\n    clone: function CanvasExtraState_clone() {\n      return Object.create(this);\n    },\n    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {\n      this.x = x;\n      this.y = y;\n    },\n  };\n  return CanvasExtraState;\n})();\n\n/**\n * @type {any}\n */\nvar CanvasGraphics = (function CanvasGraphicsClosure() {\n  // Defines the time the executeOperatorList is going to be executing\n  // before it stops and shedules a continue of execution.\n  var EXECUTION_TIME = 15;\n  // Defines the number of steps before checking the execution time\n  var EXECUTION_STEPS = 10;\n\n  // eslint-disable-next-line no-shadow\n  function CanvasGraphics(\n    canvasCtx,\n    commonObjs,\n    objs,\n    canvasFactory,\n    webGLContext,\n    imageLayer,\n    optionalContentConfig\n  ) {\n    this.ctx = canvasCtx;\n    this.current = new CanvasExtraState();\n    this.stateStack = [];\n    this.pendingClip = null;\n    this.pendingEOFill = false;\n    this.res = null;\n    this.xobjs = null;\n    this.commonObjs = commonObjs;\n    this.objs = objs;\n    this.canvasFactory = canvasFactory;\n    this.webGLContext = webGLContext;\n    this.imageLayer = imageLayer;\n    this.groupStack = [];\n    this.processingType3 = null;\n    // Patterns are painted relative to the initial page/form transform, see pdf\n    // spec 8.7.2 NOTE 1.\n    this.baseTransform = null;\n    this.baseTransformStack = [];\n    this.groupLevel = 0;\n    this.smaskStack = [];\n    this.smaskCounter = 0;\n    this.tempSMask = null;\n    this.contentVisible = true;\n    this.markedContentStack = [];\n    this.optionalContentConfig = optionalContentConfig;\n    this.cachedCanvases = new CachedCanvases(this.canvasFactory);\n    if (canvasCtx) {\n      // NOTE: if mozCurrentTransform is polyfilled, then the current state of\n      // the transformation must already be set in canvasCtx._transformMatrix.\n      addContextCurrentTransform(canvasCtx);\n    }\n    this._cachedGetSinglePixelWidth = null;\n  }\n\n  function putBinaryImageData(ctx, imgData, transferMaps = null) {\n    if (typeof ImageData !== \"undefined\" && imgData instanceof ImageData) {\n      ctx.putImageData(imgData, 0, 0);\n      return;\n    }\n\n    // Put the image data to the canvas in chunks, rather than putting the\n    // whole image at once.  This saves JS memory, because the ImageData object\n    // is smaller. It also possibly saves C++ memory within the implementation\n    // of putImageData(). (E.g. in Firefox we make two short-lived copies of\n    // the data passed to putImageData()). |n| shouldn't be too small, however,\n    // because too many putImageData() calls will slow things down.\n    //\n    // Note: as written, if the last chunk is partial, the putImageData() call\n    // will (conceptually) put pixels past the bounds of the canvas.  But\n    // that's ok; any such pixels are ignored.\n\n    var height = imgData.height,\n      width = imgData.width;\n    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n    var srcPos = 0,\n      destPos;\n    var src = imgData.data;\n    var dest = chunkImgData.data;\n    var i, j, thisChunkHeight, elemsInThisChunk;\n\n    let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;\n    if (transferMaps) {\n      switch (transferMaps.length) {\n        case 1:\n          transferMapRed = transferMaps[0];\n          transferMapGreen = transferMaps[0];\n          transferMapBlue = transferMaps[0];\n          transferMapGray = transferMaps[0];\n          break;\n        case 4:\n          transferMapRed = transferMaps[0];\n          transferMapGreen = transferMaps[1];\n          transferMapBlue = transferMaps[2];\n          transferMapGray = transferMaps[3];\n          break;\n      }\n    }\n\n    // There are multiple forms in which the pixel data can be passed, and\n    // imgData.kind tells us which one this is.\n    if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {\n      // Grayscale, 1 bit per pixel (i.e. black-and-white).\n      var srcLength = src.byteLength;\n      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);\n      var dest32DataLength = dest32.length;\n      var fullSrcDiff = (width + 7) >> 3;\n      var white = 0xffffffff;\n      var black = IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;\n\n      if (transferMapGray) {\n        if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {\n          [white, black] = [black, white];\n        }\n      }\n\n      for (i = 0; i < totalChunks; i++) {\n        thisChunkHeight =\n          i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n        destPos = 0;\n        for (j = 0; j < thisChunkHeight; j++) {\n          var srcDiff = srcLength - srcPos;\n          let k = 0;\n          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;\n          var kEndUnrolled = kEnd & ~7;\n          var mask = 0;\n          var srcByte = 0;\n          for (; k < kEndUnrolled; k += 8) {\n            srcByte = src[srcPos++];\n            dest32[destPos++] = srcByte & 128 ? white : black;\n            dest32[destPos++] = srcByte & 64 ? white : black;\n            dest32[destPos++] = srcByte & 32 ? white : black;\n            dest32[destPos++] = srcByte & 16 ? white : black;\n            dest32[destPos++] = srcByte & 8 ? white : black;\n            dest32[destPos++] = srcByte & 4 ? white : black;\n            dest32[destPos++] = srcByte & 2 ? white : black;\n            dest32[destPos++] = srcByte & 1 ? white : black;\n          }\n          for (; k < kEnd; k++) {\n            if (mask === 0) {\n              srcByte = src[srcPos++];\n              mask = 128;\n            }\n\n            dest32[destPos++] = srcByte & mask ? white : black;\n            mask >>= 1;\n          }\n        }\n        // We ran out of input. Make all remaining pixels transparent.\n        while (destPos < dest32DataLength) {\n          dest32[destPos++] = 0;\n        }\n\n        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n      }\n    } else if (imgData.kind === ImageKind.RGBA_32BPP) {\n      // RGBA, 32-bits per pixel.\n      const hasTransferMaps = !!(\n        transferMapRed ||\n        transferMapGreen ||\n        transferMapBlue\n      );\n\n      j = 0;\n      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;\n      for (i = 0; i < fullChunks; i++) {\n        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n        srcPos += elemsInThisChunk;\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < elemsInThisChunk; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, j);\n        j += FULL_CHUNK_HEIGHT;\n      }\n      if (i < totalChunks) {\n        elemsInThisChunk = width * partialChunkHeight * 4;\n        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < elemsInThisChunk; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, j);\n      }\n    } else if (imgData.kind === ImageKind.RGB_24BPP) {\n      // RGB, 24-bits per pixel.\n      const hasTransferMaps = !!(\n        transferMapRed ||\n        transferMapGreen ||\n        transferMapBlue\n      );\n\n      thisChunkHeight = FULL_CHUNK_HEIGHT;\n      elemsInThisChunk = width * thisChunkHeight;\n      for (i = 0; i < totalChunks; i++) {\n        if (i >= fullChunks) {\n          thisChunkHeight = partialChunkHeight;\n          elemsInThisChunk = width * thisChunkHeight;\n        }\n\n        destPos = 0;\n        for (j = elemsInThisChunk; j--; ) {\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = src[srcPos++];\n          dest[destPos++] = 255;\n        }\n\n        if (hasTransferMaps) {\n          for (let k = 0; k < destPos; k += 4) {\n            if (transferMapRed) {\n              dest[k + 0] = transferMapRed[dest[k + 0]];\n            }\n            if (transferMapGreen) {\n              dest[k + 1] = transferMapGreen[dest[k + 1]];\n            }\n            if (transferMapBlue) {\n              dest[k + 2] = transferMapBlue[dest[k + 2]];\n            }\n          }\n        }\n\n        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n      }\n    } else {\n      throw new Error(`bad image kind: ${imgData.kind}`);\n    }\n  }\n\n  function putBinaryImageMask(ctx, imgData) {\n    var height = imgData.height,\n      width = imgData.width;\n    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n    var srcPos = 0;\n    var src = imgData.data;\n    var dest = chunkImgData.data;\n\n    for (var i = 0; i < totalChunks; i++) {\n      var thisChunkHeight =\n        i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n\n      // Expand the mask so it can be used by the canvas.  Any required\n      // inversion has already been handled.\n      var destPos = 3; // alpha component offset\n      for (var j = 0; j < thisChunkHeight; j++) {\n        var mask = 0;\n        for (var k = 0; k < width; k++) {\n          if (!mask) {\n            var elem = src[srcPos++];\n            mask = 128;\n          }\n          dest[destPos] = elem & mask ? 0 : 255;\n          destPos += 4;\n          mask >>= 1;\n        }\n      }\n      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n    }\n  }\n\n  function copyCtxState(sourceCtx, destCtx) {\n    var properties = [\n      \"strokeStyle\",\n      \"fillStyle\",\n      \"fillRule\",\n      \"globalAlpha\",\n      \"lineWidth\",\n      \"lineCap\",\n      \"lineJoin\",\n      \"miterLimit\",\n      \"globalCompositeOperation\",\n      \"font\",\n    ];\n    for (var i = 0, ii = properties.length; i < ii; i++) {\n      var property = properties[i];\n      if (sourceCtx[property] !== undefined) {\n        destCtx[property] = sourceCtx[property];\n      }\n    }\n    if (sourceCtx.setLineDash !== undefined) {\n      destCtx.setLineDash(sourceCtx.getLineDash());\n      destCtx.lineDashOffset = sourceCtx.lineDashOffset;\n    }\n  }\n\n  function resetCtxToDefault(ctx) {\n    ctx.strokeStyle = \"#000000\";\n    ctx.fillStyle = \"#000000\";\n    ctx.fillRule = \"nonzero\";\n    ctx.globalAlpha = 1;\n    ctx.lineWidth = 1;\n    ctx.lineCap = \"butt\";\n    ctx.lineJoin = \"miter\";\n    ctx.miterLimit = 10;\n    ctx.globalCompositeOperation = \"source-over\";\n    ctx.font = \"10px sans-serif\";\n    if (ctx.setLineDash !== undefined) {\n      ctx.setLineDash([]);\n      ctx.lineDashOffset = 0;\n    }\n  }\n\n  function composeSMaskBackdrop(bytes, r0, g0, b0) {\n    var length = bytes.length;\n    for (var i = 3; i < length; i += 4) {\n      var alpha = bytes[i];\n      if (alpha === 0) {\n        bytes[i - 3] = r0;\n        bytes[i - 2] = g0;\n        bytes[i - 1] = b0;\n      } else if (alpha < 255) {\n        var alpha_ = 255 - alpha;\n        bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8;\n        bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8;\n        bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8;\n      }\n    }\n  }\n\n  function composeSMaskAlpha(maskData, layerData, transferMap) {\n    var length = maskData.length;\n    var scale = 1 / 255;\n    for (var i = 3; i < length; i += 4) {\n      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];\n      layerData[i] = (layerData[i] * alpha * scale) | 0;\n    }\n  }\n\n  function composeSMaskLuminosity(maskData, layerData, transferMap) {\n    var length = maskData.length;\n    for (var i = 3; i < length; i += 4) {\n      var y =\n        maskData[i - 3] * 77 + // * 0.3 / 255 * 0x10000\n        maskData[i - 2] * 152 + // * 0.59 ....\n        maskData[i - 1] * 28; // * 0.11 ....\n      layerData[i] = transferMap\n        ? (layerData[i] * transferMap[y >> 8]) >> 8\n        : (layerData[i] * y) >> 16;\n    }\n  }\n\n  function genericComposeSMask(\n    maskCtx,\n    layerCtx,\n    width,\n    height,\n    subtype,\n    backdrop,\n    transferMap\n  ) {\n    var hasBackdrop = !!backdrop;\n    var r0 = hasBackdrop ? backdrop[0] : 0;\n    var g0 = hasBackdrop ? backdrop[1] : 0;\n    var b0 = hasBackdrop ? backdrop[2] : 0;\n\n    var composeFn;\n    if (subtype === \"Luminosity\") {\n      composeFn = composeSMaskLuminosity;\n    } else {\n      composeFn = composeSMaskAlpha;\n    }\n\n    // processing image in chunks to save memory\n    var PIXELS_TO_PROCESS = 1048576;\n    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));\n    for (var row = 0; row < height; row += chunkSize) {\n      var chunkHeight = Math.min(chunkSize, height - row);\n      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);\n      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);\n\n      if (hasBackdrop) {\n        composeSMaskBackdrop(maskData.data, r0, g0, b0);\n      }\n      composeFn(maskData.data, layerData.data, transferMap);\n\n      maskCtx.putImageData(layerData, 0, row);\n    }\n  }\n\n  function composeSMask(ctx, smask, layerCtx, webGLContext) {\n    var mask = smask.canvas;\n    var maskCtx = smask.context;\n\n    ctx.setTransform(\n      smask.scaleX,\n      0,\n      0,\n      smask.scaleY,\n      smask.offsetX,\n      smask.offsetY\n    );\n\n    var backdrop = smask.backdrop || null;\n    if (!smask.transferMap && webGLContext.isEnabled) {\n      const composed = webGLContext.composeSMask({\n        layer: layerCtx.canvas,\n        mask,\n        properties: {\n          subtype: smask.subtype,\n          backdrop,\n        },\n      });\n      ctx.setTransform(1, 0, 0, 1, 0, 0);\n      ctx.drawImage(composed, smask.offsetX, smask.offsetY);\n      return;\n    }\n    genericComposeSMask(\n      maskCtx,\n      layerCtx,\n      mask.width,\n      mask.height,\n      smask.subtype,\n      backdrop,\n      smask.transferMap\n    );\n    ctx.drawImage(mask, 0, 0);\n  }\n\n  var LINE_CAP_STYLES = [\"butt\", \"round\", \"square\"];\n  var LINE_JOIN_STYLES = [\"miter\", \"round\", \"bevel\"];\n  var NORMAL_CLIP = {};\n  var EO_CLIP = {};\n\n  CanvasGraphics.prototype = {\n    beginDrawing({\n      transform,\n      viewport,\n      transparency = false,\n      background = null,\n    }) {\n      // For pdfs that use blend modes we have to clear the canvas else certain\n      // blend modes can look wrong since we'd be blending with a white\n      // backdrop. The problem with a transparent backdrop though is we then\n      // don't get sub pixel anti aliasing on text, creating temporary\n      // transparent canvas when we have blend modes.\n      var width = this.ctx.canvas.width;\n      var height = this.ctx.canvas.height;\n\n      this.ctx.save();\n      this.ctx.fillStyle = background || \"rgb(255, 255, 255)\";\n      this.ctx.fillRect(0, 0, width, height);\n      this.ctx.restore();\n\n      if (transparency) {\n        var transparentCanvas = this.cachedCanvases.getCanvas(\n          \"transparent\",\n          width,\n          height,\n          true\n        );\n        this.compositeCtx = this.ctx;\n        this.transparentCanvas = transparentCanvas.canvas;\n        this.ctx = transparentCanvas.context;\n        this.ctx.save();\n        // The transform can be applied before rendering, transferring it to\n        // the new canvas.\n        this.ctx.transform.apply(\n          this.ctx,\n          this.compositeCtx.mozCurrentTransform\n        );\n      }\n\n      this.ctx.save();\n      resetCtxToDefault(this.ctx);\n      if (transform) {\n        this.ctx.transform.apply(this.ctx, transform);\n      }\n      this.ctx.transform.apply(this.ctx, viewport.transform);\n\n      this.baseTransform = this.ctx.mozCurrentTransform.slice();\n\n      if (this.imageLayer) {\n        this.imageLayer.beginLayout();\n      }\n    },\n\n    executeOperatorList: function CanvasGraphics_executeOperatorList(\n      operatorList,\n      executionStartIdx,\n      continueCallback,\n      stepper\n    ) {\n      var argsArray = operatorList.argsArray;\n      var fnArray = operatorList.fnArray;\n      var i = executionStartIdx || 0;\n      var argsArrayLen = argsArray.length;\n\n      // Sometimes the OperatorList to execute is empty.\n      if (argsArrayLen === i) {\n        return i;\n      }\n\n      var chunkOperations =\n        argsArrayLen - i > EXECUTION_STEPS &&\n        typeof continueCallback === \"function\";\n      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;\n      var steps = 0;\n\n      var commonObjs = this.commonObjs;\n      var objs = this.objs;\n      var fnId;\n\n      while (true) {\n        if (stepper !== undefined && i === stepper.nextBreakPoint) {\n          stepper.breakIt(i, continueCallback);\n          return i;\n        }\n\n        fnId = fnArray[i];\n\n        if (fnId !== OPS.dependency) {\n          this[fnId].apply(this, argsArray[i]);\n        } else {\n          for (const depObjId of argsArray[i]) {\n            const objsPool = depObjId.startsWith(\"g_\") ? commonObjs : objs;\n\n            // If the promise isn't resolved yet, add the continueCallback\n            // to the promise and bail out.\n            if (!objsPool.has(depObjId)) {\n              objsPool.get(depObjId, continueCallback);\n              return i;\n            }\n          }\n        }\n\n        i++;\n\n        // If the entire operatorList was executed, stop as were done.\n        if (i === argsArrayLen) {\n          return i;\n        }\n\n        // If the execution took longer then a certain amount of time and\n        // `continueCallback` is specified, interrupt the execution.\n        if (chunkOperations && ++steps > EXECUTION_STEPS) {\n          if (Date.now() > endTime) {\n            continueCallback();\n            return i;\n          }\n          steps = 0;\n        }\n\n        // If the operatorList isn't executed completely yet OR the execution\n        // time was short enough, do another execution round.\n      }\n    },\n\n    endDrawing: function CanvasGraphics_endDrawing() {\n      // Finishing all opened operations such as SMask group painting.\n      if (this.current.activeSMask !== null) {\n        this.endSMaskGroup();\n      }\n\n      this.ctx.restore();\n\n      if (this.transparentCanvas) {\n        this.ctx = this.compositeCtx;\n        this.ctx.save();\n        this.ctx.setTransform(1, 0, 0, 1, 0, 0); // Avoid apply transform twice\n        this.ctx.drawImage(this.transparentCanvas, 0, 0);\n        this.ctx.restore();\n        this.transparentCanvas = null;\n      }\n\n      this.cachedCanvases.clear();\n      this.webGLContext.clear();\n\n      if (this.imageLayer) {\n        this.imageLayer.endLayout();\n      }\n    },\n\n    // Graphics state\n    setLineWidth: function CanvasGraphics_setLineWidth(width) {\n      this.current.lineWidth = width;\n      this.ctx.lineWidth = width;\n    },\n    setLineCap: function CanvasGraphics_setLineCap(style) {\n      this.ctx.lineCap = LINE_CAP_STYLES[style];\n    },\n    setLineJoin: function CanvasGraphics_setLineJoin(style) {\n      this.ctx.lineJoin = LINE_JOIN_STYLES[style];\n    },\n    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {\n      this.ctx.miterLimit = limit;\n    },\n    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {\n      var ctx = this.ctx;\n      if (ctx.setLineDash !== undefined) {\n        ctx.setLineDash(dashArray);\n        ctx.lineDashOffset = dashPhase;\n      }\n    },\n    setRenderingIntent(intent) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    },\n    setFlatness(flatness) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    },\n    setGState: function CanvasGraphics_setGState(states) {\n      for (var i = 0, ii = states.length; i < ii; i++) {\n        var state = states[i];\n        var key = state[0];\n        var value = state[1];\n\n        switch (key) {\n          case \"LW\":\n            this.setLineWidth(value);\n            break;\n          case \"LC\":\n            this.setLineCap(value);\n            break;\n          case \"LJ\":\n            this.setLineJoin(value);\n            break;\n          case \"ML\":\n            this.setMiterLimit(value);\n            break;\n          case \"D\":\n            this.setDash(value[0], value[1]);\n            break;\n          case \"RI\":\n            this.setRenderingIntent(value);\n            break;\n          case \"FL\":\n            this.setFlatness(value);\n            break;\n          case \"Font\":\n            this.setFont(value[0], value[1]);\n            break;\n          case \"CA\":\n            this.current.strokeAlpha = state[1];\n            break;\n          case \"ca\":\n            this.current.fillAlpha = state[1];\n            this.ctx.globalAlpha = state[1];\n            break;\n          case \"BM\":\n            this.ctx.globalCompositeOperation = value;\n            break;\n          case \"SMask\":\n            if (this.current.activeSMask) {\n              // If SMask is currrenly used, it needs to be suspended or\n              // finished. Suspend only makes sense when at least one save()\n              // was performed and state needs to be reverted on restore().\n              if (\n                this.stateStack.length > 0 &&\n                this.stateStack[this.stateStack.length - 1].activeSMask ===\n                  this.current.activeSMask\n              ) {\n                this.suspendSMaskGroup();\n              } else {\n                this.endSMaskGroup();\n              }\n            }\n            this.current.activeSMask = value ? this.tempSMask : null;\n            if (this.current.activeSMask) {\n              this.beginSMaskGroup();\n            }\n            this.tempSMask = null;\n            break;\n          case \"TR\":\n            this.current.transferMaps = value;\n        }\n      }\n    },\n    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {\n      var activeSMask = this.current.activeSMask;\n      var drawnWidth = activeSMask.canvas.width;\n      var drawnHeight = activeSMask.canvas.height;\n      var cacheId = \"smaskGroupAt\" + this.groupLevel;\n      var scratchCanvas = this.cachedCanvases.getCanvas(\n        cacheId,\n        drawnWidth,\n        drawnHeight,\n        true\n      );\n\n      var currentCtx = this.ctx;\n      var currentTransform = currentCtx.mozCurrentTransform;\n      this.ctx.save();\n\n      var groupCtx = scratchCanvas.context;\n      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);\n      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);\n      groupCtx.transform.apply(groupCtx, currentTransform);\n\n      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;\n\n      copyCtxState(currentCtx, groupCtx);\n      this.ctx = groupCtx;\n      this.setGState([\n        [\"BM\", \"source-over\"],\n        [\"ca\", 1],\n        [\"CA\", 1],\n      ]);\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n    },\n    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      // Similar to endSMaskGroup, the intermediate canvas has to be composed\n      // and future ctx state restored.\n      var groupCtx = this.ctx;\n      this.groupLevel--;\n      this.ctx = this.groupStack.pop();\n\n      composeSMask(\n        this.ctx,\n        this.current.activeSMask,\n        groupCtx,\n        this.webGLContext\n      );\n      this.ctx.restore();\n      this.ctx.save(); // save is needed since SMask will be resumed.\n      copyCtxState(groupCtx, this.ctx);\n\n      // Saving state for resuming.\n      this.current.resumeSMaskCtx = groupCtx;\n      // Transform was changed in the SMask canvas, reflecting this change on\n      // this.ctx.\n      var deltaTransform = Util.transform(\n        this.current.activeSMask.startTransformInverse,\n        groupCtx.mozCurrentTransform\n      );\n      this.ctx.transform.apply(this.ctx, deltaTransform);\n\n      // SMask was composed, the results at the groupCtx can be cleared.\n      groupCtx.save();\n      groupCtx.setTransform(1, 0, 0, 1, 0, 0);\n      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);\n      groupCtx.restore();\n    },\n    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      // Resuming state saved by suspendSMaskGroup. We don't need to restore\n      // any groupCtx state since restore() command (the only caller) will do\n      // that for us. See also beginSMaskGroup.\n      var groupCtx = this.current.resumeSMaskCtx;\n      var currentCtx = this.ctx;\n      this.ctx = groupCtx;\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n    },\n    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n      var groupCtx = this.ctx;\n      this.groupLevel--;\n      this.ctx = this.groupStack.pop();\n\n      composeSMask(\n        this.ctx,\n        this.current.activeSMask,\n        groupCtx,\n        this.webGLContext\n      );\n      this.ctx.restore();\n      copyCtxState(groupCtx, this.ctx);\n      // Transform was changed in the SMask canvas, reflecting this change on\n      // this.ctx.\n      var deltaTransform = Util.transform(\n        this.current.activeSMask.startTransformInverse,\n        groupCtx.mozCurrentTransform\n      );\n      this.ctx.transform.apply(this.ctx, deltaTransform);\n    },\n    save: function CanvasGraphics_save() {\n      this.ctx.save();\n      var old = this.current;\n      this.stateStack.push(old);\n      this.current = old.clone();\n      this.current.resumeSMaskCtx = null;\n    },\n    restore: function CanvasGraphics_restore() {\n      // SMask was suspended, we just need to resume it.\n      if (this.current.resumeSMaskCtx) {\n        this.resumeSMaskGroup();\n      }\n      // SMask has to be finished once there is no states that are using the\n      // same SMask.\n      if (\n        this.current.activeSMask !== null &&\n        (this.stateStack.length === 0 ||\n          this.stateStack[this.stateStack.length - 1].activeSMask !==\n            this.current.activeSMask)\n      ) {\n        this.endSMaskGroup();\n      }\n\n      if (this.stateStack.length !== 0) {\n        this.current = this.stateStack.pop();\n        this.ctx.restore();\n\n        // Ensure that the clipping path is reset (fixes issue6413.pdf).\n        this.pendingClip = null;\n\n        this._cachedGetSinglePixelWidth = null;\n      }\n    },\n    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {\n      this.ctx.transform(a, b, c, d, e, f);\n\n      this._cachedGetSinglePixelWidth = null;\n    },\n\n    // Path\n    constructPath: function CanvasGraphics_constructPath(ops, args) {\n      var ctx = this.ctx;\n      var current = this.current;\n      var x = current.x,\n        y = current.y;\n      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {\n        switch (ops[i] | 0) {\n          case OPS.rectangle:\n            x = args[j++];\n            y = args[j++];\n            var width = args[j++];\n            var height = args[j++];\n            if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {\n              width = this.getSinglePixelWidth();\n            }\n            if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {\n              height = this.getSinglePixelWidth();\n            }\n            var xw = x + width;\n            var yh = y + height;\n            ctx.moveTo(x, y);\n            ctx.lineTo(xw, y);\n            ctx.lineTo(xw, yh);\n            ctx.lineTo(x, yh);\n            ctx.lineTo(x, y);\n            ctx.closePath();\n            break;\n          case OPS.moveTo:\n            x = args[j++];\n            y = args[j++];\n            ctx.moveTo(x, y);\n            break;\n          case OPS.lineTo:\n            x = args[j++];\n            y = args[j++];\n            ctx.lineTo(x, y);\n            break;\n          case OPS.curveTo:\n            x = args[j + 4];\n            y = args[j + 5];\n            ctx.bezierCurveTo(\n              args[j],\n              args[j + 1],\n              args[j + 2],\n              args[j + 3],\n              x,\n              y\n            );\n            j += 6;\n            break;\n          case OPS.curveTo2:\n            ctx.bezierCurveTo(\n              x,\n              y,\n              args[j],\n              args[j + 1],\n              args[j + 2],\n              args[j + 3]\n            );\n            x = args[j + 2];\n            y = args[j + 3];\n            j += 4;\n            break;\n          case OPS.curveTo3:\n            x = args[j + 2];\n            y = args[j + 3];\n            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);\n            j += 4;\n            break;\n          case OPS.closePath:\n            ctx.closePath();\n            break;\n        }\n      }\n      current.setCurrentPoint(x, y);\n    },\n    closePath: function CanvasGraphics_closePath() {\n      this.ctx.closePath();\n    },\n    stroke: function CanvasGraphics_stroke(consumePath) {\n      consumePath = typeof consumePath !== \"undefined\" ? consumePath : true;\n      var ctx = this.ctx;\n      var strokeColor = this.current.strokeColor;\n      // For stroke we want to temporarily change the global alpha to the\n      // stroking alpha.\n      ctx.globalAlpha = this.current.strokeAlpha;\n      if (this.contentVisible) {\n        if (\n          strokeColor &&\n          strokeColor.hasOwnProperty(\"type\") &&\n          strokeColor.type === \"Pattern\"\n        ) {\n          // for patterns, we transform to pattern space, calculate\n          // the pattern, call stroke, and restore to user space\n          ctx.save();\n          // The current transform will be replaced while building the pattern,\n          // but the line width needs to be adjusted by the current transform,\n          // so we must scale it. To properly fix this we should be using a\n          // pattern transform instead (see #10955).\n          const transform = ctx.mozCurrentTransform;\n          const scale = Util.singularValueDecompose2dScale(transform)[0];\n          ctx.strokeStyle = strokeColor.getPattern(ctx, this);\n          ctx.lineWidth = Math.max(\n            this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,\n            this.current.lineWidth * scale\n          );\n          ctx.stroke();\n          ctx.restore();\n        } else {\n          // Prevent drawing too thin lines by enforcing a minimum line width.\n          ctx.lineWidth = Math.max(\n            this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,\n            this.current.lineWidth\n          );\n          ctx.stroke();\n        }\n      }\n      if (consumePath) {\n        this.consumePath();\n      }\n      // Restore the global alpha to the fill alpha\n      ctx.globalAlpha = this.current.fillAlpha;\n    },\n    closeStroke: function CanvasGraphics_closeStroke() {\n      this.closePath();\n      this.stroke();\n    },\n    fill: function CanvasGraphics_fill(consumePath) {\n      consumePath = typeof consumePath !== \"undefined\" ? consumePath : true;\n      var ctx = this.ctx;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n      var needRestore = false;\n\n      if (isPatternFill) {\n        ctx.save();\n        if (this.baseTransform) {\n          ctx.setTransform.apply(ctx, this.baseTransform);\n        }\n        ctx.fillStyle = fillColor.getPattern(ctx, this);\n        needRestore = true;\n      }\n\n      if (this.contentVisible) {\n        if (this.pendingEOFill) {\n          ctx.fill(\"evenodd\");\n          this.pendingEOFill = false;\n        } else {\n          ctx.fill();\n        }\n      }\n\n      if (needRestore) {\n        ctx.restore();\n      }\n      if (consumePath) {\n        this.consumePath();\n      }\n    },\n    eoFill: function CanvasGraphics_eoFill() {\n      this.pendingEOFill = true;\n      this.fill();\n    },\n    fillStroke: function CanvasGraphics_fillStroke() {\n      this.fill(false);\n      this.stroke(false);\n\n      this.consumePath();\n    },\n    eoFillStroke: function CanvasGraphics_eoFillStroke() {\n      this.pendingEOFill = true;\n      this.fillStroke();\n    },\n    closeFillStroke: function CanvasGraphics_closeFillStroke() {\n      this.closePath();\n      this.fillStroke();\n    },\n    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {\n      this.pendingEOFill = true;\n      this.closePath();\n      this.fillStroke();\n    },\n    endPath: function CanvasGraphics_endPath() {\n      this.consumePath();\n    },\n\n    // Clipping\n    clip: function CanvasGraphics_clip() {\n      this.pendingClip = NORMAL_CLIP;\n    },\n    eoClip: function CanvasGraphics_eoClip() {\n      this.pendingClip = EO_CLIP;\n    },\n\n    // Text\n    beginText: function CanvasGraphics_beginText() {\n      this.current.textMatrix = IDENTITY_MATRIX;\n      this.current.textMatrixScale = 1;\n      this.current.x = this.current.lineX = 0;\n      this.current.y = this.current.lineY = 0;\n    },\n    endText: function CanvasGraphics_endText() {\n      var paths = this.pendingTextPaths;\n      var ctx = this.ctx;\n      if (paths === undefined) {\n        ctx.beginPath();\n        return;\n      }\n\n      ctx.save();\n      ctx.beginPath();\n      for (var i = 0; i < paths.length; i++) {\n        var path = paths[i];\n        ctx.setTransform.apply(ctx, path.transform);\n        ctx.translate(path.x, path.y);\n        path.addToPath(ctx, path.fontSize);\n      }\n      ctx.restore();\n      ctx.clip();\n      ctx.beginPath();\n      delete this.pendingTextPaths;\n    },\n    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {\n      this.current.charSpacing = spacing;\n    },\n    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {\n      this.current.wordSpacing = spacing;\n    },\n    setHScale: function CanvasGraphics_setHScale(scale) {\n      this.current.textHScale = scale / 100;\n    },\n    setLeading: function CanvasGraphics_setLeading(leading) {\n      this.current.leading = -leading;\n    },\n    setFont: function CanvasGraphics_setFont(fontRefName, size) {\n      var fontObj = this.commonObjs.get(fontRefName);\n      var current = this.current;\n\n      if (!fontObj) {\n        throw new Error(`Can't find font for ${fontRefName}`);\n      }\n\n      current.fontMatrix = fontObj.fontMatrix\n        ? fontObj.fontMatrix\n        : FONT_IDENTITY_MATRIX;\n\n      // A valid matrix needs all main diagonal elements to be non-zero\n      // This also ensures we bypass FF bugzilla bug #719844.\n      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {\n        warn(\"Invalid font matrix for font \" + fontRefName);\n      }\n\n      // The spec for Tf (setFont) says that 'size' specifies the font 'scale',\n      // and in some docs this can be negative (inverted x-y axes).\n      if (size < 0) {\n        size = -size;\n        current.fontDirection = -1;\n      } else {\n        current.fontDirection = 1;\n      }\n\n      this.current.font = fontObj;\n      this.current.fontSize = size;\n\n      if (fontObj.isType3Font) {\n        return; // we don't need ctx.font for Type3 fonts\n      }\n\n      var name = fontObj.loadedName || \"sans-serif\";\n\n      let bold = \"normal\";\n      if (fontObj.black) {\n        bold = \"900\";\n      } else if (fontObj.bold) {\n        bold = \"bold\";\n      }\n      var italic = fontObj.italic ? \"italic\" : \"normal\";\n      var typeface = `\"${name}\", ${fontObj.fallbackName}`;\n\n      // Some font backends cannot handle fonts below certain size.\n      // Keeping the font at minimal size and using the fontSizeScale to change\n      // the current transformation matrix before the fillText/strokeText.\n      // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227\n      let browserFontSize = size;\n      if (size < MIN_FONT_SIZE) {\n        browserFontSize = MIN_FONT_SIZE;\n      } else if (size > MAX_FONT_SIZE) {\n        browserFontSize = MAX_FONT_SIZE;\n      }\n      this.current.fontSizeScale = size / browserFontSize;\n\n      this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;\n    },\n    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {\n      this.current.textRenderingMode = mode;\n    },\n    setTextRise: function CanvasGraphics_setTextRise(rise) {\n      this.current.textRise = rise;\n    },\n    moveText: function CanvasGraphics_moveText(x, y) {\n      this.current.x = this.current.lineX += x;\n      this.current.y = this.current.lineY += y;\n    },\n    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {\n      this.setLeading(-y);\n      this.moveText(x, y);\n    },\n    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {\n      this.current.textMatrix = [a, b, c, d, e, f];\n      this.current.textMatrixScale = Math.sqrt(a * a + b * b);\n\n      this.current.x = this.current.lineX = 0;\n      this.current.y = this.current.lineY = 0;\n    },\n    nextLine: function CanvasGraphics_nextLine() {\n      this.moveText(0, this.current.leading);\n    },\n\n    paintChar(character, x, y, patternTransform) {\n      var ctx = this.ctx;\n      var current = this.current;\n      var font = current.font;\n      var textRenderingMode = current.textRenderingMode;\n      var fontSize = current.fontSize / current.fontSizeScale;\n      var fillStrokeMode =\n        textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n      var isAddToPathSet = !!(\n        textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG\n      );\n      const patternFill = current.patternFill && !font.missingFile;\n\n      var addToPath;\n      if (font.disableFontFace || isAddToPathSet || patternFill) {\n        addToPath = font.getPathGenerator(this.commonObjs, character);\n      }\n\n      if (font.disableFontFace || patternFill) {\n        ctx.save();\n        ctx.translate(x, y);\n        ctx.beginPath();\n        addToPath(ctx, fontSize);\n        if (patternTransform) {\n          ctx.setTransform.apply(ctx, patternTransform);\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.FILL ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.fill();\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.stroke();\n        }\n        ctx.restore();\n      } else {\n        if (\n          fillStrokeMode === TextRenderingMode.FILL ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.fillText(character, x, y);\n        }\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          ctx.strokeText(character, x, y);\n        }\n      }\n\n      if (isAddToPathSet) {\n        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);\n        paths.push({\n          transform: ctx.mozCurrentTransform,\n          x,\n          y,\n          fontSize,\n          addToPath,\n        });\n      }\n    },\n\n    get isFontSubpixelAAEnabled() {\n      // Checks if anti-aliasing is enabled when scaled text is painted.\n      // On Windows GDI scaled fonts looks bad.\n      const { context: ctx } = this.cachedCanvases.getCanvas(\n        \"isFontSubpixelAAEnabled\",\n        10,\n        10\n      );\n      ctx.scale(1.5, 1);\n      ctx.fillText(\"I\", 0, 10);\n      var data = ctx.getImageData(0, 0, 10, 10).data;\n      var enabled = false;\n      for (var i = 3; i < data.length; i += 4) {\n        if (data[i] > 0 && data[i] < 255) {\n          enabled = true;\n          break;\n        }\n      }\n      return shadow(this, \"isFontSubpixelAAEnabled\", enabled);\n    },\n\n    showText: function CanvasGraphics_showText(glyphs) {\n      var current = this.current;\n      var font = current.font;\n      if (font.isType3Font) {\n        return this.showType3Text(glyphs);\n      }\n\n      var fontSize = current.fontSize;\n      if (fontSize === 0) {\n        return undefined;\n      }\n\n      var ctx = this.ctx;\n      var fontSizeScale = current.fontSizeScale;\n      var charSpacing = current.charSpacing;\n      var wordSpacing = current.wordSpacing;\n      var fontDirection = current.fontDirection;\n      var textHScale = current.textHScale * fontDirection;\n      var glyphsLength = glyphs.length;\n      var vertical = font.vertical;\n      var spacingDir = vertical ? 1 : -1;\n      var defaultVMetrics = font.defaultVMetrics;\n      var widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n      var simpleFillText =\n        current.textRenderingMode === TextRenderingMode.FILL &&\n        !font.disableFontFace &&\n        !current.patternFill;\n\n      ctx.save();\n      let patternTransform;\n      if (current.patternFill) {\n        // TODO: Patterns are not applied correctly to text if a non-embedded\n        // font is used. E.g. issue 8111 and ShowText-ShadingPattern.pdf.\n        ctx.save();\n        const pattern = current.fillColor.getPattern(ctx, this);\n        patternTransform = ctx.mozCurrentTransform;\n        ctx.restore();\n        ctx.fillStyle = pattern;\n      }\n      ctx.transform.apply(ctx, current.textMatrix);\n      ctx.translate(current.x, current.y + current.textRise);\n\n      if (fontDirection > 0) {\n        ctx.scale(textHScale, -1);\n      } else {\n        ctx.scale(textHScale, 1);\n      }\n\n      var lineWidth = current.lineWidth;\n      var scale = current.textMatrixScale;\n      if (scale === 0 || lineWidth === 0) {\n        var fillStrokeMode =\n          current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n        if (\n          fillStrokeMode === TextRenderingMode.STROKE ||\n          fillStrokeMode === TextRenderingMode.FILL_STROKE\n        ) {\n          this._cachedGetSinglePixelWidth = null;\n          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;\n        }\n      } else {\n        lineWidth /= scale;\n      }\n\n      if (fontSizeScale !== 1.0) {\n        ctx.scale(fontSizeScale, fontSizeScale);\n        lineWidth /= fontSizeScale;\n      }\n\n      ctx.lineWidth = lineWidth;\n\n      var x = 0,\n        i;\n      for (i = 0; i < glyphsLength; ++i) {\n        var glyph = glyphs[i];\n        if (isNum(glyph)) {\n          x += (spacingDir * glyph * fontSize) / 1000;\n          continue;\n        }\n\n        var restoreNeeded = false;\n        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        var character = glyph.fontChar;\n        var accent = glyph.accent;\n        var scaledX, scaledY, scaledAccentX, scaledAccentY;\n        var width = glyph.width;\n        if (vertical) {\n          var vmetric, vx, vy;\n          vmetric = glyph.vmetric || defaultVMetrics;\n          vx = glyph.vmetric ? vmetric[1] : width * 0.5;\n          vx = -vx * widthAdvanceScale;\n          vy = vmetric[2] * widthAdvanceScale;\n\n          width = vmetric ? -vmetric[0] : width;\n          scaledX = vx / fontSizeScale;\n          scaledY = (x + vy) / fontSizeScale;\n        } else {\n          scaledX = x / fontSizeScale;\n          scaledY = 0;\n        }\n\n        if (font.remeasure && width > 0) {\n          // Some standard fonts may not have the exact width: rescale per\n          // character if measured width is greater than expected glyph width\n          // and subpixel-aa is enabled, otherwise just center the glyph.\n          var measuredWidth =\n            ((ctx.measureText(character).width * 1000) / fontSize) *\n            fontSizeScale;\n          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {\n            var characterScaleX = width / measuredWidth;\n            restoreNeeded = true;\n            ctx.save();\n            ctx.scale(characterScaleX, 1);\n            scaledX /= characterScaleX;\n          } else if (width !== measuredWidth) {\n            scaledX +=\n              (((width - measuredWidth) / 2000) * fontSize) / fontSizeScale;\n          }\n        }\n\n        // Only attempt to draw the glyph if it is actually in the embedded font\n        // file or if there isn't a font file so the fallback font is shown.\n        if (this.contentVisible && (glyph.isInFont || font.missingFile)) {\n          if (simpleFillText && !accent) {\n            // common case\n            ctx.fillText(character, scaledX, scaledY);\n          } else {\n            this.paintChar(character, scaledX, scaledY, patternTransform);\n            if (accent) {\n              scaledAccentX =\n                scaledX + (fontSize * accent.offset.x) / fontSizeScale;\n              scaledAccentY =\n                scaledY - (fontSize * accent.offset.y) / fontSizeScale;\n              this.paintChar(\n                accent.fontChar,\n                scaledAccentX,\n                scaledAccentY,\n                patternTransform\n              );\n            }\n          }\n        }\n\n        var charWidth;\n        if (vertical) {\n          charWidth = width * widthAdvanceScale - spacing * fontDirection;\n        } else {\n          charWidth = width * widthAdvanceScale + spacing * fontDirection;\n        }\n        x += charWidth;\n\n        if (restoreNeeded) {\n          ctx.restore();\n        }\n      }\n      if (vertical) {\n        current.y -= x;\n      } else {\n        current.x += x * textHScale;\n      }\n      ctx.restore();\n    },\n\n    showType3Text: function CanvasGraphics_showType3Text(glyphs) {\n      // Type3 fonts - each glyph is a \"mini-PDF\"\n      var ctx = this.ctx;\n      var current = this.current;\n      var font = current.font;\n      var fontSize = current.fontSize;\n      var fontDirection = current.fontDirection;\n      var spacingDir = font.vertical ? 1 : -1;\n      var charSpacing = current.charSpacing;\n      var wordSpacing = current.wordSpacing;\n      var textHScale = current.textHScale * fontDirection;\n      var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;\n      var glyphsLength = glyphs.length;\n      var isTextInvisible =\n        current.textRenderingMode === TextRenderingMode.INVISIBLE;\n      var i, glyph, width, spacingLength;\n\n      if (isTextInvisible || fontSize === 0) {\n        return;\n      }\n      this._cachedGetSinglePixelWidth = null;\n\n      ctx.save();\n      ctx.transform.apply(ctx, current.textMatrix);\n      ctx.translate(current.x, current.y);\n\n      ctx.scale(textHScale, fontDirection);\n\n      for (i = 0; i < glyphsLength; ++i) {\n        glyph = glyphs[i];\n        if (isNum(glyph)) {\n          spacingLength = (spacingDir * glyph * fontSize) / 1000;\n          this.ctx.translate(spacingLength, 0);\n          current.x += spacingLength * textHScale;\n          continue;\n        }\n\n        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        var operatorList = font.charProcOperatorList[glyph.operatorListId];\n        if (!operatorList) {\n          warn(`Type3 character \"${glyph.operatorListId}\" is not available.`);\n          continue;\n        }\n        if (this.contentVisible) {\n          this.processingType3 = glyph;\n          this.save();\n          ctx.scale(fontSize, fontSize);\n          ctx.transform.apply(ctx, fontMatrix);\n          this.executeOperatorList(operatorList);\n          this.restore();\n        }\n\n        var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);\n        width = transformed[0] * fontSize + spacing;\n\n        ctx.translate(width, 0);\n        current.x += width * textHScale;\n      }\n      ctx.restore();\n      this.processingType3 = null;\n    },\n\n    // Type3 fonts\n    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {\n      // We can safely ignore this since the width should be the same\n      // as the width in the Widths array.\n    },\n    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(\n      xWidth,\n      yWidth,\n      llx,\n      lly,\n      urx,\n      ury\n    ) {\n      // TODO According to the spec we're also suppose to ignore any operators\n      // that set color or include images while processing this type3 font.\n      this.ctx.rect(llx, lly, urx - llx, ury - lly);\n      this.clip();\n      this.endPath();\n    },\n\n    // Color\n    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {\n      var pattern;\n      if (IR[0] === \"TilingPattern\") {\n        var color = IR[1];\n        var baseTransform =\n          this.baseTransform || this.ctx.mozCurrentTransform.slice();\n        var canvasGraphicsFactory = {\n          createCanvasGraphics: ctx => {\n            return new CanvasGraphics(\n              ctx,\n              this.commonObjs,\n              this.objs,\n              this.canvasFactory,\n              this.webGLContext\n            );\n          },\n        };\n        pattern = new TilingPattern(\n          IR,\n          color,\n          this.ctx,\n          canvasGraphicsFactory,\n          baseTransform\n        );\n      } else {\n        pattern = getShadingPatternFromIR(IR);\n      }\n      return pattern;\n    },\n    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {\n      this.current.strokeColor = this.getColorN_Pattern(arguments);\n    },\n    setFillColorN: function CanvasGraphics_setFillColorN() {\n      this.current.fillColor = this.getColorN_Pattern(arguments);\n      this.current.patternFill = true;\n    },\n    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {\n      var color = Util.makeCssRgb(r, g, b);\n      this.ctx.strokeStyle = color;\n      this.current.strokeColor = color;\n    },\n    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {\n      var color = Util.makeCssRgb(r, g, b);\n      this.ctx.fillStyle = color;\n      this.current.fillColor = color;\n      this.current.patternFill = false;\n    },\n\n    shadingFill: function CanvasGraphics_shadingFill(patternIR) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n\n      this.save();\n      var pattern = getShadingPatternFromIR(patternIR);\n      ctx.fillStyle = pattern.getPattern(ctx, this, true);\n\n      var inv = ctx.mozCurrentTransformInverse;\n      if (inv) {\n        var canvas = ctx.canvas;\n        var width = canvas.width;\n        var height = canvas.height;\n\n        var bl = Util.applyTransform([0, 0], inv);\n        var br = Util.applyTransform([0, height], inv);\n        var ul = Util.applyTransform([width, 0], inv);\n        var ur = Util.applyTransform([width, height], inv);\n\n        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);\n        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);\n        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);\n        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);\n\n        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);\n      } else {\n        // HACK to draw the gradient onto an infinite rectangle.\n        // PDF gradients are drawn across the entire image while\n        // Canvas only allows gradients to be drawn in a rectangle\n        // The following bug should allow us to remove this.\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=664884\n\n        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);\n      }\n\n      this.restore();\n    },\n\n    // Images\n    beginInlineImage: function CanvasGraphics_beginInlineImage() {\n      unreachable(\"Should not call beginInlineImage\");\n    },\n    beginImageData: function CanvasGraphics_beginImageData() {\n      unreachable(\"Should not call beginImageData\");\n    },\n\n    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(\n      matrix,\n      bbox\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.save();\n      this.baseTransformStack.push(this.baseTransform);\n\n      if (Array.isArray(matrix) && matrix.length === 6) {\n        this.transform.apply(this, matrix);\n      }\n\n      this.baseTransform = this.ctx.mozCurrentTransform;\n\n      if (bbox) {\n        var width = bbox[2] - bbox[0];\n        var height = bbox[3] - bbox[1];\n        this.ctx.rect(bbox[0], bbox[1], width, height);\n        this.clip();\n        this.endPath();\n      }\n    },\n\n    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.restore();\n      this.baseTransform = this.baseTransformStack.pop();\n    },\n\n    beginGroup: function CanvasGraphics_beginGroup(group) {\n      if (!this.contentVisible) {\n        return;\n      }\n\n      this.save();\n      var currentCtx = this.ctx;\n      // TODO non-isolated groups - according to Rik at adobe non-isolated\n      // group results aren't usually that different and they even have tools\n      // that ignore this setting. Notes from Rik on implementing:\n      // - When you encounter an transparency group, create a new canvas with\n      // the dimensions of the bbox\n      // - copy the content from the previous canvas to the new canvas\n      // - draw as usual\n      // - remove the backdrop alpha:\n      // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha\n      // value of your transparency group and 'alphaBackdrop' the alpha of the\n      // backdrop\n      // - remove background color:\n      // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew)\n      if (!group.isolated) {\n        info(\"TODO: Support non-isolated groups.\");\n      }\n\n      // TODO knockout - supposedly possible with the clever use of compositing\n      // modes.\n      if (group.knockout) {\n        warn(\"Knockout groups not supported.\");\n      }\n\n      var currentTransform = currentCtx.mozCurrentTransform;\n      if (group.matrix) {\n        currentCtx.transform.apply(currentCtx, group.matrix);\n      }\n      if (!group.bbox) {\n        throw new Error(\"Bounding box is required.\");\n      }\n\n      // Based on the current transform figure out how big the bounding box\n      // will actually be.\n      var bounds = Util.getAxialAlignedBoundingBox(\n        group.bbox,\n        currentCtx.mozCurrentTransform\n      );\n      // Clip the bounding box to the current canvas.\n      var canvasBounds = [\n        0,\n        0,\n        currentCtx.canvas.width,\n        currentCtx.canvas.height,\n      ];\n      bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];\n      // Use ceil in case we're between sizes so we don't create canvas that is\n      // too small and make the canvas at least 1x1 pixels.\n      var offsetX = Math.floor(bounds[0]);\n      var offsetY = Math.floor(bounds[1]);\n      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);\n      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);\n      var scaleX = 1,\n        scaleY = 1;\n      if (drawnWidth > MAX_GROUP_SIZE) {\n        scaleX = drawnWidth / MAX_GROUP_SIZE;\n        drawnWidth = MAX_GROUP_SIZE;\n      }\n      if (drawnHeight > MAX_GROUP_SIZE) {\n        scaleY = drawnHeight / MAX_GROUP_SIZE;\n        drawnHeight = MAX_GROUP_SIZE;\n      }\n\n      var cacheId = \"groupAt\" + this.groupLevel;\n      if (group.smask) {\n        // Using two cache entries is case if masks are used one after another.\n        cacheId += \"_smask_\" + (this.smaskCounter++ % 2);\n      }\n      var scratchCanvas = this.cachedCanvases.getCanvas(\n        cacheId,\n        drawnWidth,\n        drawnHeight,\n        true\n      );\n      var groupCtx = scratchCanvas.context;\n\n      // Since we created a new canvas that is just the size of the bounding box\n      // we have to translate the group ctx.\n      groupCtx.scale(1 / scaleX, 1 / scaleY);\n      groupCtx.translate(-offsetX, -offsetY);\n      groupCtx.transform.apply(groupCtx, currentTransform);\n\n      if (group.smask) {\n        // Saving state and cached mask to be used in setGState.\n        this.smaskStack.push({\n          canvas: scratchCanvas.canvas,\n          context: groupCtx,\n          offsetX,\n          offsetY,\n          scaleX,\n          scaleY,\n          subtype: group.smask.subtype,\n          backdrop: group.smask.backdrop,\n          transferMap: group.smask.transferMap || null,\n          startTransformInverse: null, // used during suspend operation\n        });\n      } else {\n        // Setup the current ctx so when the group is popped we draw it at the\n        // right location.\n        currentCtx.setTransform(1, 0, 0, 1, 0, 0);\n        currentCtx.translate(offsetX, offsetY);\n        currentCtx.scale(scaleX, scaleY);\n      }\n      // The transparency group inherits all off the current graphics state\n      // except the blend mode, soft mask, and alpha constants.\n      copyCtxState(currentCtx, groupCtx);\n      this.ctx = groupCtx;\n      this.setGState([\n        [\"BM\", \"source-over\"],\n        [\"ca\", 1],\n        [\"CA\", 1],\n      ]);\n      this.groupStack.push(currentCtx);\n      this.groupLevel++;\n\n      // Reseting mask state, masks will be applied on restore of the group.\n      this.current.activeSMask = null;\n    },\n\n    endGroup: function CanvasGraphics_endGroup(group) {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.groupLevel--;\n      var groupCtx = this.ctx;\n      this.ctx = this.groupStack.pop();\n      // Turn off image smoothing to avoid sub pixel interpolation which can\n      // look kind of blurry for some pdfs.\n      if (this.ctx.imageSmoothingEnabled !== undefined) {\n        this.ctx.imageSmoothingEnabled = false;\n      } else {\n        this.ctx.mozImageSmoothingEnabled = false;\n      }\n      if (group.smask) {\n        this.tempSMask = this.smaskStack.pop();\n      } else {\n        this.ctx.drawImage(groupCtx.canvas, 0, 0);\n      }\n      this.restore();\n    },\n\n    beginAnnotations: function CanvasGraphics_beginAnnotations() {\n      this.save();\n      if (this.baseTransform) {\n        this.ctx.setTransform.apply(this.ctx, this.baseTransform);\n      }\n    },\n\n    endAnnotations: function CanvasGraphics_endAnnotations() {\n      this.restore();\n    },\n\n    beginAnnotation: function CanvasGraphics_beginAnnotation(\n      rect,\n      transform,\n      matrix\n    ) {\n      this.save();\n      resetCtxToDefault(this.ctx);\n      this.current = new CanvasExtraState();\n\n      if (Array.isArray(rect) && rect.length === 4) {\n        var width = rect[2] - rect[0];\n        var height = rect[3] - rect[1];\n        this.ctx.rect(rect[0], rect[1], width, height);\n        this.clip();\n        this.endPath();\n      }\n\n      this.transform.apply(this, transform);\n      this.transform.apply(this, matrix);\n    },\n\n    endAnnotation: function CanvasGraphics_endAnnotation() {\n      this.restore();\n    },\n\n    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n      var width = img.width,\n        height = img.height;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n\n      var glyph = this.processingType3;\n\n      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {\n        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {\n          glyph.compiled = compileType3Glyph({ data: img.data, width, height });\n        } else {\n          glyph.compiled = null;\n        }\n      }\n\n      if (glyph && glyph.compiled) {\n        glyph.compiled(ctx);\n        return;\n      }\n\n      var maskCanvas = this.cachedCanvases.getCanvas(\n        \"maskCanvas\",\n        width,\n        height\n      );\n      var maskCtx = maskCanvas.context;\n      maskCtx.save();\n\n      putBinaryImageMask(maskCtx, img);\n\n      maskCtx.globalCompositeOperation = \"source-in\";\n\n      maskCtx.fillStyle = isPatternFill\n        ? fillColor.getPattern(maskCtx, this)\n        : fillColor;\n      maskCtx.fillRect(0, 0, width, height);\n\n      maskCtx.restore();\n\n      this.paintInlineImageXObject(maskCanvas.canvas);\n    },\n\n    paintImageMaskXObjectRepeat(\n      imgData,\n      scaleX,\n      skewX = 0,\n      skewY = 0,\n      scaleY,\n      positions\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var width = imgData.width;\n      var height = imgData.height;\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n\n      var maskCanvas = this.cachedCanvases.getCanvas(\n        \"maskCanvas\",\n        width,\n        height\n      );\n      var maskCtx = maskCanvas.context;\n      maskCtx.save();\n\n      putBinaryImageMask(maskCtx, imgData);\n\n      maskCtx.globalCompositeOperation = \"source-in\";\n\n      maskCtx.fillStyle = isPatternFill\n        ? fillColor.getPattern(maskCtx, this)\n        : fillColor;\n      maskCtx.fillRect(0, 0, width, height);\n\n      maskCtx.restore();\n\n      var ctx = this.ctx;\n      for (var i = 0, ii = positions.length; i < ii; i += 2) {\n        ctx.save();\n        ctx.transform(\n          scaleX,\n          skewX,\n          skewY,\n          scaleY,\n          positions[i],\n          positions[i + 1]\n        );\n        ctx.scale(1, -1);\n        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);\n        ctx.restore();\n      }\n    },\n\n    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(\n      images\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n\n      var fillColor = this.current.fillColor;\n      var isPatternFill = this.current.patternFill;\n      for (var i = 0, ii = images.length; i < ii; i++) {\n        var image = images[i];\n        var width = image.width,\n          height = image.height;\n\n        var maskCanvas = this.cachedCanvases.getCanvas(\n          \"maskCanvas\",\n          width,\n          height\n        );\n        var maskCtx = maskCanvas.context;\n        maskCtx.save();\n\n        putBinaryImageMask(maskCtx, image);\n\n        maskCtx.globalCompositeOperation = \"source-in\";\n\n        maskCtx.fillStyle = isPatternFill\n          ? fillColor.getPattern(maskCtx, this)\n          : fillColor;\n        maskCtx.fillRect(0, 0, width, height);\n\n        maskCtx.restore();\n\n        ctx.save();\n        ctx.transform.apply(ctx, image.transform);\n        ctx.scale(1, -1);\n        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);\n        ctx.restore();\n      }\n    },\n\n    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {\n      if (!this.contentVisible) {\n        return;\n      }\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(\"Dependent image isn't ready yet\");\n        return;\n      }\n\n      this.paintInlineImageXObject(imgData);\n    },\n\n    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(\n      objId,\n      scaleX,\n      scaleY,\n      positions\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(\"Dependent image isn't ready yet\");\n        return;\n      }\n\n      var width = imgData.width;\n      var height = imgData.height;\n      var map = [];\n      for (var i = 0, ii = positions.length; i < ii; i += 2) {\n        map.push({\n          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],\n          x: 0,\n          y: 0,\n          w: width,\n          h: height,\n        });\n      }\n      this.paintInlineImageXObjectGroup(imgData, map);\n    },\n\n    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(\n      imgData\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var width = imgData.width;\n      var height = imgData.height;\n      var ctx = this.ctx;\n\n      this.save();\n      // scale the image to the unit square\n      ctx.scale(1 / width, -1 / height);\n\n      var currentTransform = ctx.mozCurrentTransformInverse;\n      var a = currentTransform[0],\n        b = currentTransform[1];\n      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);\n      var c = currentTransform[2],\n        d = currentTransform[3];\n      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);\n\n      var imgToPaint, tmpCanvas;\n      // typeof check is needed due to node.js support, see issue #8489\n      if (\n        (typeof HTMLElement === \"function\" && imgData instanceof HTMLElement) ||\n        !imgData.data\n      ) {\n        imgToPaint = imgData;\n      } else {\n        tmpCanvas = this.cachedCanvases.getCanvas(\"inlineImage\", width, height);\n        var tmpCtx = tmpCanvas.context;\n        putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);\n        imgToPaint = tmpCanvas.canvas;\n      }\n\n      var paintWidth = width,\n        paintHeight = height;\n      var tmpCanvasId = \"prescale1\";\n      // Vertical or horizontal scaling shall not be more than 2 to not lose the\n      // pixels during drawImage operation, painting on the temporary canvas(es)\n      // that are twice smaller in size.\n      while (\n        (widthScale > 2 && paintWidth > 1) ||\n        (heightScale > 2 && paintHeight > 1)\n      ) {\n        var newWidth = paintWidth,\n          newHeight = paintHeight;\n        if (widthScale > 2 && paintWidth > 1) {\n          newWidth = Math.ceil(paintWidth / 2);\n          widthScale /= paintWidth / newWidth;\n        }\n        if (heightScale > 2 && paintHeight > 1) {\n          newHeight = Math.ceil(paintHeight / 2);\n          heightScale /= paintHeight / newHeight;\n        }\n        tmpCanvas = this.cachedCanvases.getCanvas(\n          tmpCanvasId,\n          newWidth,\n          newHeight\n        );\n        tmpCtx = tmpCanvas.context;\n        tmpCtx.clearRect(0, 0, newWidth, newHeight);\n        tmpCtx.drawImage(\n          imgToPaint,\n          0,\n          0,\n          paintWidth,\n          paintHeight,\n          0,\n          0,\n          newWidth,\n          newHeight\n        );\n        imgToPaint = tmpCanvas.canvas;\n        paintWidth = newWidth;\n        paintHeight = newHeight;\n        tmpCanvasId = tmpCanvasId === \"prescale1\" ? \"prescale2\" : \"prescale1\";\n      }\n      ctx.drawImage(\n        imgToPaint,\n        0,\n        0,\n        paintWidth,\n        paintHeight,\n        0,\n        -height,\n        width,\n        height\n      );\n\n      if (this.imageLayer) {\n        var position = this.getCanvasPosition(0, -height);\n        this.imageLayer.appendImage({\n          imgData,\n          left: position[0],\n          top: position[1],\n          width: width / currentTransform[0],\n          height: height / currentTransform[3],\n        });\n      }\n      this.restore();\n    },\n\n    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(\n      imgData,\n      map\n    ) {\n      if (!this.contentVisible) {\n        return;\n      }\n      var ctx = this.ctx;\n      var w = imgData.width;\n      var h = imgData.height;\n\n      var tmpCanvas = this.cachedCanvases.getCanvas(\"inlineImage\", w, h);\n      var tmpCtx = tmpCanvas.context;\n      putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);\n\n      for (var i = 0, ii = map.length; i < ii; i++) {\n        var entry = map[i];\n        ctx.save();\n        ctx.transform.apply(ctx, entry.transform);\n        ctx.scale(1, -1);\n        ctx.drawImage(\n          tmpCanvas.canvas,\n          entry.x,\n          entry.y,\n          entry.w,\n          entry.h,\n          0,\n          -1,\n          1,\n          1\n        );\n        if (this.imageLayer) {\n          var position = this.getCanvasPosition(entry.x, entry.y);\n          this.imageLayer.appendImage({\n            imgData,\n            left: position[0],\n            top: position[1],\n            width: w,\n            height: h,\n          });\n        }\n        ctx.restore();\n      }\n    },\n\n    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {\n      if (!this.contentVisible) {\n        return;\n      }\n      this.ctx.fillRect(0, 0, 1, 1);\n    },\n\n    // Marked content\n\n    markPoint: function CanvasGraphics_markPoint(tag) {\n      // TODO Marked content.\n    },\n    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {\n      // TODO Marked content.\n    },\n    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {\n      this.markedContentStack.push({\n        visible: true,\n      });\n    },\n    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(\n      tag,\n      properties\n    ) {\n      if (tag === \"OC\") {\n        this.markedContentStack.push({\n          visible: this.optionalContentConfig.isVisible(properties),\n        });\n      } else {\n        this.markedContentStack.push({\n          visible: true,\n        });\n      }\n      this.contentVisible = this.isContentVisible();\n    },\n    endMarkedContent: function CanvasGraphics_endMarkedContent() {\n      this.markedContentStack.pop();\n      this.contentVisible = this.isContentVisible();\n    },\n\n    // Compatibility\n\n    beginCompat: function CanvasGraphics_beginCompat() {\n      // TODO ignore undefined operators (should we do that anyway?)\n    },\n    endCompat: function CanvasGraphics_endCompat() {\n      // TODO stop ignoring undefined operators\n    },\n\n    // Helper functions\n\n    consumePath: function CanvasGraphics_consumePath() {\n      var ctx = this.ctx;\n      if (this.pendingClip) {\n        if (this.pendingClip === EO_CLIP) {\n          ctx.clip(\"evenodd\");\n        } else {\n          ctx.clip();\n        }\n        this.pendingClip = null;\n      }\n      ctx.beginPath();\n    },\n    getSinglePixelWidth(scale) {\n      if (this._cachedGetSinglePixelWidth === null) {\n        const inverse = this.ctx.mozCurrentTransformInverse;\n        // max of the current horizontal and vertical scale\n        this._cachedGetSinglePixelWidth = Math.sqrt(\n          Math.max(\n            inverse[0] * inverse[0] + inverse[1] * inverse[1],\n            inverse[2] * inverse[2] + inverse[3] * inverse[3]\n          )\n        );\n      }\n      return this._cachedGetSinglePixelWidth;\n    },\n    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {\n      var transform = this.ctx.mozCurrentTransform;\n      return [\n        transform[0] * x + transform[2] * y + transform[4],\n        transform[1] * x + transform[3] * y + transform[5],\n      ];\n    },\n\n    isContentVisible: function CanvasGraphics_isContentVisible() {\n      for (let i = this.markedContentStack.length - 1; i >= 0; i--) {\n        if (!this.markedContentStack[i].visible) {\n          return false;\n        }\n      }\n      return true;\n    },\n  };\n\n  for (var op in OPS) {\n    CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];\n  }\n\n  return CanvasGraphics;\n})();\n\nexport { CanvasGraphics };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FormatError, info, Util } from \"../shared/util.js\";\n\nvar ShadingIRs = {};\n\nfunction applyBoundingBox(ctx, bbox) {\n  if (!bbox || typeof Path2D === \"undefined\") {\n    return;\n  }\n  const width = bbox[2] - bbox[0];\n  const height = bbox[3] - bbox[1];\n  const region = new Path2D();\n  region.rect(bbox[0], bbox[1], width, height);\n  ctx.clip(region);\n}\n\nShadingIRs.RadialAxial = {\n  fromIR: function RadialAxial_fromIR(raw) {\n    var type = raw[1];\n    var bbox = raw[2];\n    var colorStops = raw[3];\n    var p0 = raw[4];\n    var p1 = raw[5];\n    var r0 = raw[6];\n    var r1 = raw[7];\n    return {\n      type: \"Pattern\",\n      getPattern: function RadialAxial_getPattern(ctx) {\n        applyBoundingBox(ctx, bbox);\n        var grad;\n        if (type === \"axial\") {\n          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);\n        } else if (type === \"radial\") {\n          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);\n        }\n\n        for (var i = 0, ii = colorStops.length; i < ii; ++i) {\n          var c = colorStops[i];\n          grad.addColorStop(c[0], c[1]);\n        }\n        return grad;\n      },\n    };\n  },\n};\n\nvar createMeshCanvas = (function createMeshCanvasClosure() {\n  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {\n    // Very basic Gouraud-shaded triangle rasterization algorithm.\n    var coords = context.coords,\n      colors = context.colors;\n    var bytes = data.data,\n      rowSize = data.width * 4;\n    var tmp;\n    if (coords[p1 + 1] > coords[p2 + 1]) {\n      tmp = p1;\n      p1 = p2;\n      p2 = tmp;\n      tmp = c1;\n      c1 = c2;\n      c2 = tmp;\n    }\n    if (coords[p2 + 1] > coords[p3 + 1]) {\n      tmp = p2;\n      p2 = p3;\n      p3 = tmp;\n      tmp = c2;\n      c2 = c3;\n      c3 = tmp;\n    }\n    if (coords[p1 + 1] > coords[p2 + 1]) {\n      tmp = p1;\n      p1 = p2;\n      p2 = tmp;\n      tmp = c1;\n      c1 = c2;\n      c2 = tmp;\n    }\n    var x1 = (coords[p1] + context.offsetX) * context.scaleX;\n    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;\n    var x2 = (coords[p2] + context.offsetX) * context.scaleX;\n    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;\n    var x3 = (coords[p3] + context.offsetX) * context.scaleX;\n    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;\n    if (y1 >= y3) {\n      return;\n    }\n    var c1r = colors[c1],\n      c1g = colors[c1 + 1],\n      c1b = colors[c1 + 2];\n    var c2r = colors[c2],\n      c2g = colors[c2 + 1],\n      c2b = colors[c2 + 2];\n    var c3r = colors[c3],\n      c3g = colors[c3 + 1],\n      c3b = colors[c3 + 2];\n\n    var minY = Math.round(y1),\n      maxY = Math.round(y3);\n    var xa, car, cag, cab;\n    var xb, cbr, cbg, cbb;\n    for (var y = minY; y <= maxY; y++) {\n      if (y < y2) {\n        let k;\n        if (y < y1) {\n          k = 0;\n        } else if (y1 === y2) {\n          k = 1;\n        } else {\n          k = (y1 - y) / (y1 - y2);\n        }\n        xa = x1 - (x1 - x2) * k;\n        car = c1r - (c1r - c2r) * k;\n        cag = c1g - (c1g - c2g) * k;\n        cab = c1b - (c1b - c2b) * k;\n      } else {\n        let k;\n        if (y > y3) {\n          k = 1;\n        } else if (y2 === y3) {\n          k = 0;\n        } else {\n          k = (y2 - y) / (y2 - y3);\n        }\n        xa = x2 - (x2 - x3) * k;\n        car = c2r - (c2r - c3r) * k;\n        cag = c2g - (c2g - c3g) * k;\n        cab = c2b - (c2b - c3b) * k;\n      }\n\n      let k;\n      if (y < y1) {\n        k = 0;\n      } else if (y > y3) {\n        k = 1;\n      } else {\n        k = (y1 - y) / (y1 - y3);\n      }\n      xb = x1 - (x1 - x3) * k;\n      cbr = c1r - (c1r - c3r) * k;\n      cbg = c1g - (c1g - c3g) * k;\n      cbb = c1b - (c1b - c3b) * k;\n      var x1_ = Math.round(Math.min(xa, xb));\n      var x2_ = Math.round(Math.max(xa, xb));\n      var j = rowSize * y + x1_ * 4;\n      for (var x = x1_; x <= x2_; x++) {\n        k = (xa - x) / (xa - xb);\n        if (k < 0) {\n          k = 0;\n        } else if (k > 1) {\n          k = 1;\n        }\n        bytes[j++] = (car - (car - cbr) * k) | 0;\n        bytes[j++] = (cag - (cag - cbg) * k) | 0;\n        bytes[j++] = (cab - (cab - cbb) * k) | 0;\n        bytes[j++] = 255;\n      }\n    }\n  }\n\n  function drawFigure(data, figure, context) {\n    var ps = figure.coords;\n    var cs = figure.colors;\n    var i, ii;\n    switch (figure.type) {\n      case \"lattice\":\n        var verticesPerRow = figure.verticesPerRow;\n        var rows = Math.floor(ps.length / verticesPerRow) - 1;\n        var cols = verticesPerRow - 1;\n        for (i = 0; i < rows; i++) {\n          var q = i * verticesPerRow;\n          for (var j = 0; j < cols; j++, q++) {\n            drawTriangle(\n              data,\n              context,\n              ps[q],\n              ps[q + 1],\n              ps[q + verticesPerRow],\n              cs[q],\n              cs[q + 1],\n              cs[q + verticesPerRow]\n            );\n            drawTriangle(\n              data,\n              context,\n              ps[q + verticesPerRow + 1],\n              ps[q + 1],\n              ps[q + verticesPerRow],\n              cs[q + verticesPerRow + 1],\n              cs[q + 1],\n              cs[q + verticesPerRow]\n            );\n          }\n        }\n        break;\n      case \"triangles\":\n        for (i = 0, ii = ps.length; i < ii; i += 3) {\n          drawTriangle(\n            data,\n            context,\n            ps[i],\n            ps[i + 1],\n            ps[i + 2],\n            cs[i],\n            cs[i + 1],\n            cs[i + 2]\n          );\n        }\n        break;\n      default:\n        throw new Error(\"illegal figure\");\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function createMeshCanvas(\n    bounds,\n    combinesScale,\n    coords,\n    colors,\n    figures,\n    backgroundColor,\n    cachedCanvases,\n    webGLContext\n  ) {\n    // we will increase scale on some weird factor to let antialiasing take\n    // care of \"rough\" edges\n    var EXPECTED_SCALE = 1.1;\n    // MAX_PATTERN_SIZE is used to avoid OOM situation.\n    var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n    // We need to keep transparent border around our pattern for fill():\n    // createPattern with 'no-repeat' will bleed edges across entire area.\n    var BORDER_SIZE = 2;\n\n    var offsetX = Math.floor(bounds[0]);\n    var offsetY = Math.floor(bounds[1]);\n    var boundsWidth = Math.ceil(bounds[2]) - offsetX;\n    var boundsHeight = Math.ceil(bounds[3]) - offsetY;\n\n    var width = Math.min(\n      Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)),\n      MAX_PATTERN_SIZE\n    );\n    var height = Math.min(\n      Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)),\n      MAX_PATTERN_SIZE\n    );\n    var scaleX = boundsWidth / width;\n    var scaleY = boundsHeight / height;\n\n    var context = {\n      coords,\n      colors,\n      offsetX: -offsetX,\n      offsetY: -offsetY,\n      scaleX: 1 / scaleX,\n      scaleY: 1 / scaleY,\n    };\n\n    var paddedWidth = width + BORDER_SIZE * 2;\n    var paddedHeight = height + BORDER_SIZE * 2;\n\n    var canvas, tmpCanvas, i, ii;\n    if (webGLContext.isEnabled) {\n      canvas = webGLContext.drawFigures({\n        width,\n        height,\n        backgroundColor,\n        figures,\n        context,\n      });\n      // https://bugzilla.mozilla.org/show_bug.cgi?id=972126\n      tmpCanvas = cachedCanvases.getCanvas(\n        \"mesh\",\n        paddedWidth,\n        paddedHeight,\n        false\n      );\n      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);\n      canvas = tmpCanvas.canvas;\n    } else {\n      tmpCanvas = cachedCanvases.getCanvas(\n        \"mesh\",\n        paddedWidth,\n        paddedHeight,\n        false\n      );\n      var tmpCtx = tmpCanvas.context;\n\n      var data = tmpCtx.createImageData(width, height);\n      if (backgroundColor) {\n        var bytes = data.data;\n        for (i = 0, ii = bytes.length; i < ii; i += 4) {\n          bytes[i] = backgroundColor[0];\n          bytes[i + 1] = backgroundColor[1];\n          bytes[i + 2] = backgroundColor[2];\n          bytes[i + 3] = 255;\n        }\n      }\n      for (i = 0; i < figures.length; i++) {\n        drawFigure(data, figures[i], context);\n      }\n      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);\n      canvas = tmpCanvas.canvas;\n    }\n\n    return {\n      canvas,\n      offsetX: offsetX - BORDER_SIZE * scaleX,\n      offsetY: offsetY - BORDER_SIZE * scaleY,\n      scaleX,\n      scaleY,\n    };\n  }\n  return createMeshCanvas;\n})();\n\nShadingIRs.Mesh = {\n  fromIR: function Mesh_fromIR(raw) {\n    // var type = raw[1];\n    var coords = raw[2];\n    var colors = raw[3];\n    var figures = raw[4];\n    var bounds = raw[5];\n    var matrix = raw[6];\n    var bbox = raw[7];\n    var background = raw[8];\n    return {\n      type: \"Pattern\",\n      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {\n        applyBoundingBox(ctx, bbox);\n        var scale;\n        if (shadingFill) {\n          scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);\n        } else {\n          // Obtain scale from matrix and current transformation matrix.\n          scale = Util.singularValueDecompose2dScale(owner.baseTransform);\n          if (matrix) {\n            var matrixScale = Util.singularValueDecompose2dScale(matrix);\n            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];\n          }\n        }\n\n        // Rasterizing on the main thread since sending/queue large canvases\n        // might cause OOM.\n        var temporaryPatternCanvas = createMeshCanvas(\n          bounds,\n          scale,\n          coords,\n          colors,\n          figures,\n          shadingFill ? null : background,\n          owner.cachedCanvases,\n          owner.webGLContext\n        );\n\n        if (!shadingFill) {\n          ctx.setTransform.apply(ctx, owner.baseTransform);\n          if (matrix) {\n            ctx.transform.apply(ctx, matrix);\n          }\n        }\n\n        ctx.translate(\n          temporaryPatternCanvas.offsetX,\n          temporaryPatternCanvas.offsetY\n        );\n        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);\n\n        return ctx.createPattern(temporaryPatternCanvas.canvas, \"no-repeat\");\n      },\n    };\n  },\n};\n\nShadingIRs.Dummy = {\n  fromIR: function Dummy_fromIR() {\n    return {\n      type: \"Pattern\",\n      getPattern: function Dummy_fromIR_getPattern() {\n        return \"hotpink\";\n      },\n    };\n  },\n};\n\nfunction getShadingPatternFromIR(raw) {\n  var shadingIR = ShadingIRs[raw[0]];\n  if (!shadingIR) {\n    throw new Error(`Unknown IR type: ${raw[0]}`);\n  }\n  return shadingIR.fromIR(raw);\n}\n\n/**\n * @type {any}\n */\nvar TilingPattern = (function TilingPatternClosure() {\n  var PaintType = {\n    COLORED: 1,\n    UNCOLORED: 2,\n  };\n\n  var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n\n  // eslint-disable-next-line no-shadow\n  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {\n    this.operatorList = IR[2];\n    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];\n    this.bbox = IR[4];\n    this.xstep = IR[5];\n    this.ystep = IR[6];\n    this.paintType = IR[7];\n    this.tilingType = IR[8];\n    this.color = color;\n    this.canvasGraphicsFactory = canvasGraphicsFactory;\n    this.baseTransform = baseTransform;\n    this.type = \"Pattern\";\n    this.ctx = ctx;\n  }\n\n  TilingPattern.prototype = {\n    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {\n      var operatorList = this.operatorList;\n      var bbox = this.bbox;\n      var xstep = this.xstep;\n      var ystep = this.ystep;\n      var paintType = this.paintType;\n      var tilingType = this.tilingType;\n      var color = this.color;\n      var canvasGraphicsFactory = this.canvasGraphicsFactory;\n\n      info(\"TilingType: \" + tilingType);\n\n      // A tiling pattern as defined by PDF spec 8.7.2 is a cell whose size is\n      // described by bbox, and may repeat regularly by shifting the cell by\n      // xstep and ystep.\n      // Because the HTML5 canvas API does not support pattern repetition with\n      // gaps in between, we use the xstep/ystep instead of the bbox's size.\n      //\n      // This has the following consequences (similarly for ystep):\n      //\n      // - If xstep is the same as bbox, then there is no observable difference.\n      //\n      // - If xstep is larger than bbox, then the pattern canvas is partially\n      //   empty: the area bounded by bbox is painted, the outside area is void.\n      //\n      // - If xstep is smaller than bbox, then the pixels between xstep and the\n      //   bbox boundary will be missing. This is INCORRECT behavior.\n      //   \"Figures on adjacent tiles should not overlap\" (PDF spec 8.7.3.1),\n      //   but overlapping cells without common pixels are still valid.\n      //   TODO: Fix the implementation, to allow this scenario to be painted\n      //   correctly.\n\n      var x0 = bbox[0],\n        y0 = bbox[1],\n        x1 = bbox[2],\n        y1 = bbox[3];\n\n      // Obtain scale from matrix and current transformation matrix.\n      var matrixScale = Util.singularValueDecompose2dScale(this.matrix);\n      var curMatrixScale = Util.singularValueDecompose2dScale(\n        this.baseTransform\n      );\n      var combinedScale = [\n        matrixScale[0] * curMatrixScale[0],\n        matrixScale[1] * curMatrixScale[1],\n      ];\n\n      // Use width and height values that are as close as possible to the end\n      // result when the pattern is used. Too low value makes the pattern look\n      // blurry. Too large value makes it look too crispy.\n      var dimx = this.getSizeAndScale(\n        xstep,\n        this.ctx.canvas.width,\n        combinedScale[0]\n      );\n      var dimy = this.getSizeAndScale(\n        ystep,\n        this.ctx.canvas.height,\n        combinedScale[1]\n      );\n\n      var tmpCanvas = owner.cachedCanvases.getCanvas(\n        \"pattern\",\n        dimx.size,\n        dimy.size,\n        true\n      );\n      var tmpCtx = tmpCanvas.context;\n      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);\n      graphics.groupLevel = owner.groupLevel;\n\n      this.setFillAndStrokeStyleToContext(graphics, paintType, color);\n\n      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);\n\n      // transform coordinates to pattern space\n      graphics.transform(1, 0, 0, 1, -x0, -y0);\n\n      this.clipBbox(graphics, bbox, x0, y0, x1, y1);\n\n      graphics.executeOperatorList(operatorList);\n\n      this.ctx.transform(1, 0, 0, 1, x0, y0);\n\n      // Rescale canvas so that the ctx.createPattern call generates a pattern\n      // with the desired size.\n      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);\n      return tmpCanvas.canvas;\n    },\n\n    getSizeAndScale: function TilingPattern_getSizeAndScale(\n      step,\n      realOutputSize,\n      scale\n    ) {\n      // xstep / ystep may be negative -- normalize.\n      step = Math.abs(step);\n      // MAX_PATTERN_SIZE is used to avoid OOM situation.\n      // Use the destination canvas's size if it is bigger than the hard-coded\n      // limit of MAX_PATTERN_SIZE to avoid clipping patterns that cover the\n      // whole canvas.\n      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);\n      var size = Math.ceil(step * scale);\n      if (size >= maxSize) {\n        size = maxSize;\n      } else {\n        scale = size / step;\n      }\n      return { scale, size };\n    },\n\n    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {\n      if (Array.isArray(bbox) && bbox.length === 4) {\n        var bboxWidth = x1 - x0;\n        var bboxHeight = y1 - y0;\n        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);\n        graphics.clip();\n        graphics.endPath();\n      }\n    },\n\n    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(\n      graphics,\n      paintType,\n      color\n    ) {\n      const context = graphics.ctx,\n        current = graphics.current;\n      switch (paintType) {\n        case PaintType.COLORED:\n          var ctx = this.ctx;\n          context.fillStyle = ctx.fillStyle;\n          context.strokeStyle = ctx.strokeStyle;\n          current.fillColor = ctx.fillStyle;\n          current.strokeColor = ctx.strokeStyle;\n          break;\n        case PaintType.UNCOLORED:\n          var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);\n          context.fillStyle = cssColor;\n          context.strokeStyle = cssColor;\n          // Set color needed by image masks (fixes issues 3226 and 8741).\n          current.fillColor = cssColor;\n          current.strokeColor = cssColor;\n          break;\n        default:\n          throw new FormatError(`Unsupported paint type: ${paintType}`);\n      }\n    },\n\n    getPattern: function TilingPattern_getPattern(ctx, owner) {\n      ctx = this.ctx;\n      // PDF spec 8.7.2 NOTE 1: pattern's matrix is relative to initial matrix.\n      ctx.setTransform.apply(ctx, this.baseTransform);\n      ctx.transform.apply(ctx, this.matrix);\n\n      var temporaryPatternCanvas = this.createPatternCanvas(owner);\n\n      return ctx.createPattern(temporaryPatternCanvas, \"repeat\");\n    },\n  };\n\n  return TilingPattern;\n})();\n\nexport { getShadingPatternFromIR, TilingPattern };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @typedef {Object} GlobalWorkerOptionsType\n * @property {Worker | null} workerPort - Defines global port for worker\n *   process. Overrides the `workerSrc` option.\n * @property {string} workerSrc - A string containing the path and filename\n *   of the worker file.\n *\n *   NOTE: The `workerSrc` option should always be set, in order to prevent any\n *         issues when using the PDF.js library.\n */\n\n/** @type {GlobalWorkerOptionsType} */\nconst GlobalWorkerOptions = Object.create(null);\n\nGlobalWorkerOptions.workerPort =\n  GlobalWorkerOptions.workerPort === undefined\n    ? null\n    : GlobalWorkerOptions.workerPort;\n\nGlobalWorkerOptions.workerSrc =\n  GlobalWorkerOptions.workerSrc === undefined\n    ? \"\"\n    : GlobalWorkerOptions.workerSrc;\n\nexport { GlobalWorkerOptions };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error, prefer-const: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n  UnexpectedResponseException,\n  UnknownErrorException,\n} from \"./util.js\";\n\nconst CallbackKind = {\n  UNKNOWN: 0,\n  DATA: 1,\n  ERROR: 2,\n};\n\nconst StreamKind = {\n  UNKNOWN: 0,\n  CANCEL: 1,\n  CANCEL_COMPLETE: 2,\n  CLOSE: 3,\n  ENQUEUE: 4,\n  ERROR: 5,\n  PULL: 6,\n  PULL_COMPLETE: 7,\n  START_COMPLETE: 8,\n};\n\nfunction wrapReason(reason) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'wrapReason: Expected \"reason\" to be a (possibly cloned) Error.'\n    );\n  } else {\n    if (typeof reason !== \"object\" || reason === null) {\n      return reason;\n    }\n  }\n  switch (reason.name) {\n    case \"AbortException\":\n      return new AbortException(reason.message);\n    case \"MissingPDFException\":\n      return new MissingPDFException(reason.message);\n    case \"UnexpectedResponseException\":\n      return new UnexpectedResponseException(reason.message, reason.status);\n    case \"UnknownErrorException\":\n      return new UnknownErrorException(reason.message, reason.details);\n    default:\n      return new UnknownErrorException(reason.message, reason.toString());\n  }\n}\n\nclass MessageHandler {\n  constructor(sourceName, targetName, comObj) {\n    this.sourceName = sourceName;\n    this.targetName = targetName;\n    this.comObj = comObj;\n    this.callbackId = 1;\n    this.streamId = 1;\n    this.postMessageTransfers = true;\n    this.streamSinks = Object.create(null);\n    this.streamControllers = Object.create(null);\n    this.callbackCapabilities = Object.create(null);\n    this.actionHandler = Object.create(null);\n\n    this._onComObjOnMessage = event => {\n      const data = event.data;\n      if (data.targetName !== this.sourceName) {\n        return;\n      }\n      if (data.stream) {\n        this._processStreamMessage(data);\n        return;\n      }\n      if (data.callback) {\n        const callbackId = data.callbackId;\n        const capability = this.callbackCapabilities[callbackId];\n        if (!capability) {\n          throw new Error(`Cannot resolve callback ${callbackId}`);\n        }\n        delete this.callbackCapabilities[callbackId];\n\n        if (data.callback === CallbackKind.DATA) {\n          capability.resolve(data.data);\n        } else if (data.callback === CallbackKind.ERROR) {\n          capability.reject(wrapReason(data.reason));\n        } else {\n          throw new Error(\"Unexpected callback case\");\n        }\n        return;\n      }\n      const action = this.actionHandler[data.action];\n      if (!action) {\n        throw new Error(`Unknown action from worker: ${data.action}`);\n      }\n      if (data.callbackId) {\n        const cbSourceName = this.sourceName;\n        const cbTargetName = data.sourceName;\n        new Promise(function (resolve) {\n          resolve(action(data.data));\n        }).then(\n          function (result) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.DATA,\n              callbackId: data.callbackId,\n              data: result,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.ERROR,\n              callbackId: data.callbackId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        return;\n      }\n      if (data.streamId) {\n        this._createStreamSink(data);\n        return;\n      }\n      action(data.data);\n    };\n    comObj.addEventListener(\"message\", this._onComObjOnMessage);\n  }\n\n  on(actionName, handler) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        typeof handler === \"function\",\n        'MessageHandler.on: Expected \"handler\" to be a function.'\n      );\n    }\n    const ah = this.actionHandler;\n    if (ah[actionName]) {\n      throw new Error(`There is already an actionName called \"${actionName}\"`);\n    }\n    ah[actionName] = handler;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   */\n  send(actionName, data, transfers) {\n    this._postMessage(\n      {\n        sourceName: this.sourceName,\n        targetName: this.targetName,\n        action: actionName,\n        data,\n      },\n      transfers\n    );\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expects that the other side will callback with the response.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {Promise} Promise to be resolved with response data.\n   */\n  sendWithPromise(actionName, data, transfers) {\n    const callbackId = this.callbackId++;\n    const capability = createPromiseCapability();\n    this.callbackCapabilities[callbackId] = capability;\n    try {\n      this._postMessage(\n        {\n          sourceName: this.sourceName,\n          targetName: this.targetName,\n          action: actionName,\n          callbackId,\n          data,\n        },\n        transfers\n      );\n    } catch (ex) {\n      capability.reject(ex);\n    }\n    return capability.promise;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expect that the other side will callback to signal 'start_complete'.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Object} queueingStrategy - Strategy to signal backpressure based on\n   *                 internal queue.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {ReadableStream} ReadableStream to read data in chunks.\n   */\n  sendWithStream(actionName, data, queueingStrategy, transfers) {\n    const streamId = this.streamId++;\n    const sourceName = this.sourceName;\n    const targetName = this.targetName;\n    const comObj = this.comObj;\n\n    return new ReadableStream(\n      {\n        start: controller => {\n          const startCapability = createPromiseCapability();\n          this.streamControllers[streamId] = {\n            controller,\n            startCall: startCapability,\n            pullCall: null,\n            cancelCall: null,\n            isClosed: false,\n          };\n          this._postMessage(\n            {\n              sourceName,\n              targetName,\n              action: actionName,\n              streamId,\n              data,\n              desiredSize: controller.desiredSize,\n            },\n            transfers\n          );\n          // Return Promise for Async process, to signal success/failure.\n          return startCapability.promise;\n        },\n\n        pull: controller => {\n          const pullCapability = createPromiseCapability();\n          this.streamControllers[streamId].pullCall = pullCapability;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL,\n            streamId,\n            desiredSize: controller.desiredSize,\n          });\n          // Returning Promise will not call \"pull\"\n          // again until current pull is resolved.\n          return pullCapability.promise;\n        },\n\n        cancel: reason => {\n          assert(reason instanceof Error, \"cancel must have a valid reason\");\n          const cancelCapability = createPromiseCapability();\n          this.streamControllers[streamId].cancelCall = cancelCapability;\n          this.streamControllers[streamId].isClosed = true;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.CANCEL,\n            streamId,\n            reason: wrapReason(reason),\n          });\n          // Return Promise to signal success or failure.\n          return cancelCapability.promise;\n        },\n      },\n      queueingStrategy\n    );\n  }\n\n  /**\n   * @private\n   */\n  _createStreamSink(data) {\n    const self = this;\n    const action = this.actionHandler[data.action];\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    const streamSink = {\n      enqueue(chunk, size = 1, transfers) {\n        if (this.isCancelled) {\n          return;\n        }\n        const lastDesiredSize = this.desiredSize;\n        this.desiredSize -= size;\n        // Enqueue decreases the desiredSize property of sink,\n        // so when it changes from positive to negative,\n        // set ready as unresolved promise.\n        if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n          this.sinkCapability = createPromiseCapability();\n          this.ready = this.sinkCapability.promise;\n        }\n        self._postMessage(\n          {\n            sourceName,\n            targetName,\n            stream: StreamKind.ENQUEUE,\n            streamId,\n            chunk,\n          },\n          transfers\n        );\n      },\n\n      close() {\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.CLOSE,\n          streamId,\n        });\n        delete self.streamSinks[streamId];\n      },\n\n      error(reason) {\n        assert(reason instanceof Error, \"error must have a valid reason\");\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.ERROR,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      },\n\n      sinkCapability: createPromiseCapability(),\n      onPull: null,\n      onCancel: null,\n      isCancelled: false,\n      desiredSize: data.desiredSize,\n      ready: null,\n    };\n\n    streamSink.sinkCapability.resolve();\n    streamSink.ready = streamSink.sinkCapability.promise;\n    this.streamSinks[streamId] = streamSink;\n    new Promise(function (resolve) {\n      resolve(action(data.data, streamSink));\n    }).then(\n      function () {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          success: true,\n        });\n      },\n      function (reason) {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      }\n    );\n  }\n\n  /**\n   * @private\n   */\n  _processStreamMessage(data) {\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    switch (data.stream) {\n      case StreamKind.START_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].startCall.resolve();\n        } else {\n          this.streamControllers[streamId].startCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].pullCall.resolve();\n        } else {\n          this.streamControllers[streamId].pullCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL:\n        // Ignore any pull after close is called.\n        if (!this.streamSinks[streamId]) {\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL_COMPLETE,\n            streamId,\n            success: true,\n          });\n          break;\n        }\n        // Pull increases the desiredSize property of sink,\n        // so when it changes from negative to positive,\n        // set ready property as resolved promise.\n        if (\n          this.streamSinks[streamId].desiredSize <= 0 &&\n          data.desiredSize > 0\n        ) {\n          this.streamSinks[streamId].sinkCapability.resolve();\n        }\n        // Reset desiredSize property of sink on every pull.\n        this.streamSinks[streamId].desiredSize = data.desiredSize;\n        const { onPull } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onPull && onPull());\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        break;\n      case StreamKind.ENQUEUE:\n        assert(\n          this.streamControllers[streamId],\n          \"enqueue should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].controller.enqueue(data.chunk);\n        break;\n      case StreamKind.CLOSE:\n        assert(\n          this.streamControllers[streamId],\n          \"close should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].isClosed = true;\n        this.streamControllers[streamId].controller.close();\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.ERROR:\n        assert(\n          this.streamControllers[streamId],\n          \"error should have stream controller\"\n        );\n        this.streamControllers[streamId].controller.error(\n          wrapReason(data.reason)\n        );\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].cancelCall.resolve();\n        } else {\n          this.streamControllers[streamId].cancelCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL:\n        if (!this.streamSinks[streamId]) {\n          break;\n        }\n        const { onCancel } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onCancel && onCancel(wrapReason(data.reason)));\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        this.streamSinks[streamId].sinkCapability.reject(\n          wrapReason(data.reason)\n        );\n        this.streamSinks[streamId].isCancelled = true;\n        delete this.streamSinks[streamId];\n        break;\n      default:\n        throw new Error(\"Unexpected stream case\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _deleteStreamController(streamId) {\n    // Delete the `streamController` only when the start, pull, and cancel\n    // capabilities have settled, to prevent `TypeError`s.\n    await Promise.allSettled(\n      [\n        this.streamControllers[streamId].startCall,\n        this.streamControllers[streamId].pullCall,\n        this.streamControllers[streamId].cancelCall,\n      ].map(function (capability) {\n        return capability && capability.promise;\n      })\n    );\n    delete this.streamControllers[streamId];\n  }\n\n  /**\n   * Sends raw message to the comObj.\n   * @param {Object} message - Raw message.\n   * @param transfers List of transfers/ArrayBuffers, or undefined.\n   * @private\n   */\n  _postMessage(message, transfers) {\n    if (transfers && this.postMessageTransfers) {\n      this.comObj.postMessage(message, transfers);\n    } else {\n      this.comObj.postMessage(message);\n    }\n  }\n\n  destroy() {\n    this.comObj.removeEventListener(\"message\", this._onComObjOnMessage);\n  }\n}\n\nexport { MessageHandler };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert } from \"../shared/util.js\";\nimport { SimpleXMLParser } from \"./xml_parser.js\";\n\nclass Metadata {\n  constructor(data) {\n    assert(typeof data === \"string\", \"Metadata: input is not a string\");\n\n    // Ghostscript may produce invalid metadata, so try to repair that first.\n    data = this._repair(data);\n\n    // Convert the string to an XML document.\n    const parser = new SimpleXMLParser();\n    const xmlDocument = parser.parseFromString(data);\n\n    this._metadataMap = new Map();\n\n    if (xmlDocument) {\n      this._parse(xmlDocument);\n    }\n  }\n\n  _repair(data) {\n    // Start by removing any \"junk\" before the first tag (see issue 10395).\n    return data\n      .replace(/^[^<]+/, \"\")\n      .replace(/>\\\\376\\\\377([^<]+)/g, function (all, codes) {\n        const bytes = codes\n          .replace(/\\\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {\n            return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);\n          })\n          .replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {\n            switch (name) {\n              case \"amp\":\n                return \"&\";\n              case \"apos\":\n                return \"'\";\n              case \"gt\":\n                return \">\";\n              case \"lt\":\n                return \"<\";\n              case \"quot\":\n                return '\"';\n            }\n            throw new Error(`_repair: ${name} isn't defined.`);\n          });\n\n        let chars = \"\";\n        for (let i = 0, ii = bytes.length; i < ii; i += 2) {\n          const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);\n          if (\n            code >= /* Space = */ 32 &&\n            code < /* Delete = */ 127 &&\n            code !== /* '<' = */ 60 &&\n            code !== /* '>' = */ 62 &&\n            code !== /* '&' = */ 38\n          ) {\n            chars += String.fromCharCode(code);\n          } else {\n            chars += \"&#x\" + (0x10000 + code).toString(16).substring(1) + \";\";\n          }\n        }\n\n        return \">\" + chars;\n      });\n  }\n\n  _parse(xmlDocument) {\n    let rdf = xmlDocument.documentElement;\n\n    if (rdf.nodeName.toLowerCase() !== \"rdf:rdf\") {\n      // Wrapped in <xmpmeta>\n      rdf = rdf.firstChild;\n      while (rdf && rdf.nodeName.toLowerCase() !== \"rdf:rdf\") {\n        rdf = rdf.nextSibling;\n      }\n    }\n\n    const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;\n    if (!rdf || nodeName !== \"rdf:rdf\" || !rdf.hasChildNodes()) {\n      return;\n    }\n\n    const children = rdf.childNodes;\n    for (let i = 0, ii = children.length; i < ii; i++) {\n      const desc = children[i];\n      if (desc.nodeName.toLowerCase() !== \"rdf:description\") {\n        continue;\n      }\n\n      for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {\n        if (desc.childNodes[j].nodeName.toLowerCase() !== \"#text\") {\n          const entry = desc.childNodes[j];\n          const name = entry.nodeName.toLowerCase();\n\n          this._metadataMap.set(name, entry.textContent.trim());\n        }\n      }\n    }\n  }\n\n  get(name) {\n    return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;\n  }\n\n  getAll() {\n    return Object.fromEntries(this._metadataMap);\n  }\n\n  has(name) {\n    return this._metadataMap.has(name);\n  }\n}\n\nexport { Metadata };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// The code for XMLParserBase copied from\n// https://github.com/mozilla/shumway/blob/16451d8836fa85f4b16eeda8b4bda2fa9e2b22b0/src/avm2/natives/xml.ts\n\nconst XMLParserErrorCode = {\n  NoError: 0,\n  EndOfDocument: -1,\n  UnterminatedCdat: -2,\n  UnterminatedXmlDeclaration: -3,\n  UnterminatedDoctypeDeclaration: -4,\n  UnterminatedComment: -5,\n  MalformedElement: -6,\n  OutOfMemory: -7,\n  UnterminatedAttributeValue: -8,\n  UnterminatedElement: -9,\n  ElementNeverBegun: -10,\n};\n\nfunction isWhitespace(s, index) {\n  const ch = s[index];\n  return ch === \" \" || ch === \"\\n\" || ch === \"\\r\" || ch === \"\\t\";\n}\n\nfunction isWhitespaceString(s) {\n  for (let i = 0, ii = s.length; i < ii; i++) {\n    if (!isWhitespace(s, i)) {\n      return false;\n    }\n  }\n  return true;\n}\n\nclass XMLParserBase {\n  _resolveEntities(s) {\n    return s.replace(/&([^;]+);/g, (all, entity) => {\n      if (entity.substring(0, 2) === \"#x\") {\n        return String.fromCharCode(parseInt(entity.substring(2), 16));\n      } else if (entity.substring(0, 1) === \"#\") {\n        return String.fromCharCode(parseInt(entity.substring(1), 10));\n      }\n      switch (entity) {\n        case \"lt\":\n          return \"<\";\n        case \"gt\":\n          return \">\";\n        case \"amp\":\n          return \"&\";\n        case \"quot\":\n          return '\"';\n      }\n      return this.onResolveEntity(entity);\n    });\n  }\n\n  _parseContent(s, start) {\n    const attributes = [];\n    let pos = start;\n\n    function skipWs() {\n      while (pos < s.length && isWhitespace(s, pos)) {\n        ++pos;\n      }\n    }\n\n    while (\n      pos < s.length &&\n      !isWhitespace(s, pos) &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\"\n    ) {\n      ++pos;\n    }\n    const name = s.substring(start, pos);\n    skipWs();\n    while (\n      pos < s.length &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\" &&\n      s[pos] !== \"?\"\n    ) {\n      skipWs();\n      let attrName = \"\",\n        attrValue = \"\";\n      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== \"=\") {\n        attrName += s[pos];\n        ++pos;\n      }\n      skipWs();\n      if (s[pos] !== \"=\") {\n        return null;\n      }\n      ++pos;\n      skipWs();\n      const attrEndChar = s[pos];\n      if (attrEndChar !== '\"' && attrEndChar !== \"'\") {\n        return null;\n      }\n      const attrEndIndex = s.indexOf(attrEndChar, ++pos);\n      if (attrEndIndex < 0) {\n        return null;\n      }\n      attrValue = s.substring(pos, attrEndIndex);\n      attributes.push({\n        name: attrName,\n        value: this._resolveEntities(attrValue),\n      });\n      pos = attrEndIndex + 1;\n      skipWs();\n    }\n    return {\n      name,\n      attributes,\n      parsed: pos - start,\n    };\n  }\n\n  _parseProcessingInstruction(s, start) {\n    let pos = start;\n\n    function skipWs() {\n      while (pos < s.length && isWhitespace(s, pos)) {\n        ++pos;\n      }\n    }\n\n    while (\n      pos < s.length &&\n      !isWhitespace(s, pos) &&\n      s[pos] !== \">\" &&\n      s[pos] !== \"/\"\n    ) {\n      ++pos;\n    }\n    const name = s.substring(start, pos);\n    skipWs();\n    const attrStart = pos;\n    while (pos < s.length && (s[pos] !== \"?\" || s[pos + 1] !== \">\")) {\n      ++pos;\n    }\n    const value = s.substring(attrStart, pos);\n    return {\n      name,\n      value,\n      parsed: pos - start,\n    };\n  }\n\n  parseXml(s) {\n    let i = 0;\n    while (i < s.length) {\n      const ch = s[i];\n      let j = i;\n      if (ch === \"<\") {\n        ++j;\n        const ch2 = s[j];\n        let q;\n        switch (ch2) {\n          case \"/\":\n            ++j;\n            q = s.indexOf(\">\", j);\n            if (q < 0) {\n              this.onError(XMLParserErrorCode.UnterminatedElement);\n              return;\n            }\n            this.onEndElement(s.substring(j, q));\n            j = q + 1;\n            break;\n          case \"?\":\n            ++j;\n            const pi = this._parseProcessingInstruction(s, j);\n            if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== \"?>\") {\n              this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);\n              return;\n            }\n            this.onPi(pi.name, pi.value);\n            j += pi.parsed + 2;\n            break;\n          case \"!\":\n            if (s.substring(j + 1, j + 3) === \"--\") {\n              q = s.indexOf(\"-->\", j + 3);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedComment);\n                return;\n              }\n              this.onComment(s.substring(j + 3, q));\n              j = q + 3;\n            } else if (s.substring(j + 1, j + 8) === \"[CDATA[\") {\n              q = s.indexOf(\"]]>\", j + 8);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedCdat);\n                return;\n              }\n              this.onCdata(s.substring(j + 8, q));\n              j = q + 3;\n            } else if (s.substring(j + 1, j + 8) === \"DOCTYPE\") {\n              const q2 = s.indexOf(\"[\", j + 8);\n              let complexDoctype = false;\n              q = s.indexOf(\">\", j + 8);\n              if (q < 0) {\n                this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);\n                return;\n              }\n              if (q2 > 0 && q > q2) {\n                q = s.indexOf(\"]>\", j + 8);\n                if (q < 0) {\n                  this.onError(\n                    XMLParserErrorCode.UnterminatedDoctypeDeclaration\n                  );\n                  return;\n                }\n                complexDoctype = true;\n              }\n              const doctypeContent = s.substring(\n                j + 8,\n                q + (complexDoctype ? 1 : 0)\n              );\n              this.onDoctype(doctypeContent);\n              j = q + (complexDoctype ? 2 : 1);\n            } else {\n              this.onError(XMLParserErrorCode.MalformedElement);\n              return;\n            }\n            break;\n          default:\n            const content = this._parseContent(s, j);\n            if (content === null) {\n              this.onError(XMLParserErrorCode.MalformedElement);\n              return;\n            }\n            let isClosed = false;\n            if (\n              s.substring(j + content.parsed, j + content.parsed + 2) === \"/>\"\n            ) {\n              isClosed = true;\n            } else if (\n              s.substring(j + content.parsed, j + content.parsed + 1) !== \">\"\n            ) {\n              this.onError(XMLParserErrorCode.UnterminatedElement);\n              return;\n            }\n            this.onBeginElement(content.name, content.attributes, isClosed);\n            j += content.parsed + (isClosed ? 2 : 1);\n            break;\n        }\n      } else {\n        while (j < s.length && s[j] !== \"<\") {\n          j++;\n        }\n        const text = s.substring(i, j);\n        this.onText(this._resolveEntities(text));\n      }\n      i = j;\n    }\n  }\n\n  onResolveEntity(name) {\n    return `&${name};`;\n  }\n\n  onPi(name, value) {}\n\n  onComment(text) {}\n\n  onCdata(text) {}\n\n  onDoctype(doctypeContent) {}\n\n  onText(text) {}\n\n  onBeginElement(name, attributes, isEmpty) {}\n\n  onEndElement(name) {}\n\n  onError(code) {}\n}\n\nclass SimpleDOMNode {\n  constructor(nodeName, nodeValue) {\n    this.nodeName = nodeName;\n    this.nodeValue = nodeValue;\n\n    Object.defineProperty(this, \"parentNode\", { value: null, writable: true });\n  }\n\n  get firstChild() {\n    return this.childNodes && this.childNodes[0];\n  }\n\n  get nextSibling() {\n    const childNodes = this.parentNode.childNodes;\n    if (!childNodes) {\n      return undefined;\n    }\n    const index = childNodes.indexOf(this);\n    if (index === -1) {\n      return undefined;\n    }\n    return childNodes[index + 1];\n  }\n\n  get textContent() {\n    if (!this.childNodes) {\n      return this.nodeValue || \"\";\n    }\n    return this.childNodes\n      .map(function (child) {\n        return child.textContent;\n      })\n      .join(\"\");\n  }\n\n  hasChildNodes() {\n    return this.childNodes && this.childNodes.length > 0;\n  }\n}\n\nclass SimpleXMLParser extends XMLParserBase {\n  constructor() {\n    super();\n    this._currentFragment = null;\n    this._stack = null;\n    this._errorCode = XMLParserErrorCode.NoError;\n  }\n\n  parseFromString(data) {\n    this._currentFragment = [];\n    this._stack = [];\n    this._errorCode = XMLParserErrorCode.NoError;\n\n    this.parseXml(data);\n\n    if (this._errorCode !== XMLParserErrorCode.NoError) {\n      return undefined; // return undefined on error\n    }\n\n    // We should only have one root.\n    const [documentElement] = this._currentFragment;\n    if (!documentElement) {\n      return undefined; // Return undefined if no root was found.\n    }\n    return { documentElement };\n  }\n\n  onResolveEntity(name) {\n    switch (name) {\n      case \"apos\":\n        return \"'\";\n    }\n    return super.onResolveEntity(name);\n  }\n\n  onText(text) {\n    if (isWhitespaceString(text)) {\n      return;\n    }\n    const node = new SimpleDOMNode(\"#text\", text);\n    this._currentFragment.push(node);\n  }\n\n  onCdata(text) {\n    const node = new SimpleDOMNode(\"#text\", text);\n    this._currentFragment.push(node);\n  }\n\n  onBeginElement(name, attributes, isEmpty) {\n    const node = new SimpleDOMNode(name);\n    node.childNodes = [];\n    this._currentFragment.push(node);\n    if (isEmpty) {\n      return;\n    }\n    this._stack.push(this._currentFragment);\n    this._currentFragment = node.childNodes;\n  }\n\n  onEndElement(name) {\n    this._currentFragment = this._stack.pop() || [];\n    const lastElement = this._currentFragment[this._currentFragment.length - 1];\n    if (!lastElement) {\n      return;\n    }\n    for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {\n      lastElement.childNodes[i].parentNode = lastElement;\n    }\n  }\n\n  onError(code) {\n    this._errorCode = code;\n  }\n}\n\nexport { SimpleXMLParser };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { warn } from \"../shared/util.js\";\n\nclass OptionalContentGroup {\n  constructor(name, intent) {\n    this.visible = true;\n    this.name = name;\n    this.intent = intent;\n  }\n}\n\nclass OptionalContentConfig {\n  constructor(data) {\n    this.name = null;\n    this.creator = null;\n    this._order = null;\n    this._groups = new Map();\n\n    if (data === null) {\n      return;\n    }\n    this.name = data.name;\n    this.creator = data.creator;\n    this._order = data.order;\n    for (const group of data.groups) {\n      this._groups.set(\n        group.id,\n        new OptionalContentGroup(group.name, group.intent)\n      );\n    }\n\n    if (data.baseState === \"OFF\") {\n      for (const group of this._groups) {\n        group.visible = false;\n      }\n    }\n\n    for (const on of data.on) {\n      this._groups.get(on).visible = true;\n    }\n\n    for (const off of data.off) {\n      this._groups.get(off).visible = false;\n    }\n  }\n\n  isVisible(group) {\n    if (group.type === \"OCG\") {\n      if (!this._groups.has(group.id)) {\n        warn(`Optional content group not found: ${group.id}`);\n        return true;\n      }\n      return this._groups.get(group.id).visible;\n    } else if (group.type === \"OCMD\") {\n      // Per the spec, the expression should be preferred if available. Until\n      // we implement this, just fallback to using the group policy for now.\n      if (group.expression) {\n        warn(\"Visibility expression not supported yet.\");\n      }\n      if (!group.policy || group.policy === \"AnyOn\") {\n        // Default\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (this._groups.get(id).visible) {\n            return true;\n          }\n        }\n        return false;\n      } else if (group.policy === \"AllOn\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (!this._groups.get(id).visible) {\n            return false;\n          }\n        }\n        return true;\n      } else if (group.policy === \"AnyOff\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (!this._groups.get(id).visible) {\n            return true;\n          }\n        }\n        return false;\n      } else if (group.policy === \"AllOff\") {\n        for (const id of group.ids) {\n          if (!this._groups.has(id)) {\n            warn(`Optional content group not found: ${id}`);\n            return true;\n          }\n          if (this._groups.get(id).visible) {\n            return false;\n          }\n        }\n        return true;\n      }\n      warn(`Unknown optional content policy ${group.policy}.`);\n      return true;\n    }\n    warn(`Unknown group type ${group.type}.`);\n    return true;\n  }\n\n  setVisibility(id, visible = true) {\n    if (!this._groups.has(id)) {\n      warn(`Optional content group not found: ${id}`);\n      return;\n    }\n    this._groups.get(id).visible = !!visible;\n  }\n\n  getOrder() {\n    if (!this._groups.size) {\n      return null;\n    }\n    if (this._order) {\n      return this._order.slice();\n    }\n    return Array.from(this._groups.keys());\n  }\n\n  getGroups() {\n    if (!this._groups.size) {\n      return null;\n    }\n    return Object.fromEntries(this._groups);\n  }\n\n  getGroup(id) {\n    return this._groups.get(id) || null;\n  }\n}\n\nexport { OptionalContentConfig };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, createPromiseCapability } from \"../shared/util.js\";\n\n/** @implements {IPDFStream} */\nclass PDFDataTransportStream {\n  constructor(params, pdfDataRangeTransport) {\n    assert(\n      pdfDataRangeTransport,\n      'PDFDataTransportStream - missing required \"pdfDataRangeTransport\" argument.'\n    );\n\n    this._queuedChunks = [];\n    this._progressiveDone = params.progressiveDone || false;\n\n    const initialData = params.initialData;\n    if (initialData && initialData.length > 0) {\n      const buffer = new Uint8Array(initialData).buffer;\n      this._queuedChunks.push(buffer);\n    }\n\n    this._pdfDataRangeTransport = pdfDataRangeTransport;\n    this._isStreamingSupported = !params.disableStream;\n    this._isRangeSupported = !params.disableRange;\n    this._contentLength = params.length;\n\n    this._fullRequestReader = null;\n    this._rangeReaders = [];\n\n    this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {\n      this._onReceiveData({ begin, chunk });\n    });\n\n    this._pdfDataRangeTransport.addProgressListener((loaded, total) => {\n      this._onProgress({ loaded, total });\n    });\n\n    this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {\n      this._onReceiveData({ chunk });\n    });\n\n    this._pdfDataRangeTransport.addProgressiveDoneListener(() => {\n      this._onProgressiveDone();\n    });\n\n    this._pdfDataRangeTransport.transportReady();\n  }\n\n  _onReceiveData(args) {\n    const buffer = new Uint8Array(args.chunk).buffer;\n    if (args.begin === undefined) {\n      if (this._fullRequestReader) {\n        this._fullRequestReader._enqueue(buffer);\n      } else {\n        this._queuedChunks.push(buffer);\n      }\n    } else {\n      const found = this._rangeReaders.some(function (rangeReader) {\n        if (rangeReader._begin !== args.begin) {\n          return false;\n        }\n        rangeReader._enqueue(buffer);\n        return true;\n      });\n      assert(\n        found,\n        \"_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.\"\n      );\n    }\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  _onProgress(evt) {\n    if (evt.total === undefined) {\n      // Reporting to first range reader, if it exists.\n      const firstReader = this._rangeReaders[0];\n      if (firstReader && firstReader.onProgress) {\n        firstReader.onProgress({ loaded: evt.loaded });\n      }\n    } else {\n      const fullReader = this._fullRequestReader;\n      if (fullReader && fullReader.onProgress) {\n        fullReader.onProgress({ loaded: evt.loaded, total: evt.total });\n      }\n    }\n  }\n\n  _onProgressiveDone() {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.progressiveDone();\n    }\n    this._progressiveDone = true;\n  }\n\n  _removeRangeReader(reader) {\n    const i = this._rangeReaders.indexOf(reader);\n    if (i >= 0) {\n      this._rangeReaders.splice(i, 1);\n    }\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFDataTransportStream.getFullReader can only be called once.\"\n    );\n    const queuedChunks = this._queuedChunks;\n    this._queuedChunks = null;\n    return new PDFDataTransportStreamReader(\n      this,\n      queuedChunks,\n      this._progressiveDone\n    );\n  }\n\n  getRangeReader(begin, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const reader = new PDFDataTransportStreamRangeReader(this, begin, end);\n    this._pdfDataRangeTransport.requestDataRange(begin, end);\n    this._rangeReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeReaders.slice(0);\n    readers.forEach(function (rangeReader) {\n      rangeReader.cancel(reason);\n    });\n    this._pdfDataRangeTransport.abort();\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFDataTransportStreamReader {\n  constructor(stream, queuedChunks, progressiveDone = false) {\n    this._stream = stream;\n    this._done = progressiveDone || false;\n    this._filename = null;\n    this._queuedChunks = queuedChunks || [];\n    this._loaded = 0;\n    for (const chunk of this._queuedChunks) {\n      this._loaded += chunk.byteLength;\n    }\n    this._requests = [];\n    this._headersReady = Promise.resolve();\n    stream._fullRequestReader = this;\n\n    this.onProgress = null;\n  }\n\n  _enqueue(chunk) {\n    if (this._done) {\n      return; // Ignore new data.\n    }\n    if (this._requests.length > 0) {\n      const requestCapability = this._requests.shift();\n      requestCapability.resolve({ value: chunk, done: false });\n    } else {\n      this._queuedChunks.push(chunk);\n    }\n    this._loaded += chunk.byteLength;\n  }\n\n  get headersReady() {\n    return this._headersReady;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get isRangeSupported() {\n    return this._stream._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._stream._isStreamingSupported;\n  }\n\n  get contentLength() {\n    return this._stream._contentLength;\n  }\n\n  async read() {\n    if (this._queuedChunks.length > 0) {\n      const chunk = this._queuedChunks.shift();\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n  }\n\n  progressiveDone() {\n    if (this._done) {\n      return;\n    }\n    this._done = true;\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFDataTransportStreamRangeReader {\n  constructor(stream, begin, end) {\n    this._stream = stream;\n    this._begin = begin;\n    this._end = end;\n    this._queuedChunk = null;\n    this._requests = [];\n    this._done = false;\n\n    this.onProgress = null;\n  }\n\n  _enqueue(chunk) {\n    if (this._done) {\n      return; // ignore new data\n    }\n    if (this._requests.length === 0) {\n      this._queuedChunk = chunk;\n    } else {\n      const requestsCapability = this._requests.shift();\n      requestsCapability.resolve({ value: chunk, done: false });\n      this._requests.forEach(function (requestCapability) {\n        requestCapability.resolve({ value: undefined, done: true });\n      });\n      this._requests = [];\n    }\n    this._done = true;\n    this._stream._removeRangeReader(this);\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    if (this._queuedChunk) {\n      const chunk = this._queuedChunk;\n      this._queuedChunk = null;\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    this._stream._removeRangeReader(this);\n  }\n}\n\nexport { PDFDataTransportStream };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-multi-str */\n\nimport { shadow } from \"../shared/util.js\";\n\nclass WebGLContext {\n  constructor({ enable = false }) {\n    this._enabled = enable === true;\n  }\n\n  get isEnabled() {\n    let enabled = this._enabled;\n    if (enabled) {\n      enabled = WebGLUtils.tryInitGL();\n    }\n    return shadow(this, \"isEnabled\", enabled);\n  }\n\n  composeSMask({ layer, mask, properties }) {\n    return WebGLUtils.composeSMask(layer, mask, properties);\n  }\n\n  drawFigures({ width, height, backgroundColor, figures, context }) {\n    return WebGLUtils.drawFigures(\n      width,\n      height,\n      backgroundColor,\n      figures,\n      context\n    );\n  }\n\n  clear() {\n    WebGLUtils.cleanup();\n  }\n}\n\nvar WebGLUtils = (function WebGLUtilsClosure() {\n  function loadShader(gl, code, shaderType) {\n    var shader = gl.createShader(shaderType);\n    gl.shaderSource(shader, code);\n    gl.compileShader(shader);\n    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);\n    if (!compiled) {\n      var errorMsg = gl.getShaderInfoLog(shader);\n      throw new Error(\"Error during shader compilation: \" + errorMsg);\n    }\n    return shader;\n  }\n  function createVertexShader(gl, code) {\n    return loadShader(gl, code, gl.VERTEX_SHADER);\n  }\n  function createFragmentShader(gl, code) {\n    return loadShader(gl, code, gl.FRAGMENT_SHADER);\n  }\n  function createProgram(gl, shaders) {\n    var program = gl.createProgram();\n    for (var i = 0, ii = shaders.length; i < ii; ++i) {\n      gl.attachShader(program, shaders[i]);\n    }\n    gl.linkProgram(program);\n    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);\n    if (!linked) {\n      var errorMsg = gl.getProgramInfoLog(program);\n      throw new Error(\"Error during program linking: \" + errorMsg);\n    }\n    return program;\n  }\n  function createTexture(gl, image, textureId) {\n    gl.activeTexture(textureId);\n    var texture = gl.createTexture();\n    gl.bindTexture(gl.TEXTURE_2D, texture);\n\n    // Set the parameters so we can render any size image.\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);\n    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);\n\n    // Upload the image into the texture.\n    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);\n    return texture;\n  }\n\n  var currentGL, currentCanvas;\n  function generateGL() {\n    if (currentGL) {\n      return;\n    }\n\n    // The temporary canvas is used in the WebGL context.\n    currentCanvas = document.createElement(\"canvas\");\n    currentGL = currentCanvas.getContext(\"webgl\", {\n      premultipliedalpha: false,\n    });\n  }\n\n  var smaskVertexShaderCode =\n    \"\\\n  attribute vec2 a_position;                                    \\\n  attribute vec2 a_texCoord;                                    \\\n                                                                \\\n  uniform vec2 u_resolution;                                    \\\n                                                                \\\n  varying vec2 v_texCoord;                                      \\\n                                                                \\\n  void main() {                                                 \\\n    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \\\n    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \\\n                                                                \\\n    v_texCoord = a_texCoord;                                    \\\n  }                                                             \";\n\n  var smaskFragmentShaderCode =\n    \"\\\n  precision mediump float;                                      \\\n                                                                \\\n  uniform vec4 u_backdrop;                                      \\\n  uniform int u_subtype;                                        \\\n  uniform sampler2D u_image;                                    \\\n  uniform sampler2D u_mask;                                     \\\n                                                                \\\n  varying vec2 v_texCoord;                                      \\\n                                                                \\\n  void main() {                                                 \\\n    vec4 imageColor = texture2D(u_image, v_texCoord);           \\\n    vec4 maskColor = texture2D(u_mask, v_texCoord);             \\\n    if (u_backdrop.a > 0.0) {                                   \\\n      maskColor.rgb = maskColor.rgb * maskColor.a +             \\\n                      u_backdrop.rgb * (1.0 - maskColor.a);     \\\n    }                                                           \\\n    float lum;                                                  \\\n    if (u_subtype == 0) {                                       \\\n      lum = maskColor.a;                                        \\\n    } else {                                                    \\\n      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \\\n            maskColor.b * 0.11;                                 \\\n    }                                                           \\\n    imageColor.a *= lum;                                        \\\n    imageColor.rgb *= imageColor.a;                             \\\n    gl_FragColor = imageColor;                                  \\\n  }                                                             \";\n\n  var smaskCache = null;\n\n  function initSmaskGL() {\n    var canvas, gl;\n\n    generateGL();\n    canvas = currentCanvas;\n    currentCanvas = null;\n    gl = currentGL;\n    currentGL = null;\n\n    // setup a GLSL program\n    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);\n    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);\n    var program = createProgram(gl, [vertexShader, fragmentShader]);\n    gl.useProgram(program);\n\n    var cache = {};\n    cache.gl = gl;\n    cache.canvas = canvas;\n    cache.resolutionLocation = gl.getUniformLocation(program, \"u_resolution\");\n    cache.positionLocation = gl.getAttribLocation(program, \"a_position\");\n    cache.backdropLocation = gl.getUniformLocation(program, \"u_backdrop\");\n    cache.subtypeLocation = gl.getUniformLocation(program, \"u_subtype\");\n\n    var texCoordLocation = gl.getAttribLocation(program, \"a_texCoord\");\n    var texLayerLocation = gl.getUniformLocation(program, \"u_image\");\n    var texMaskLocation = gl.getUniformLocation(program, \"u_mask\");\n\n    // provide texture coordinates for the rectangle.\n    var texCoordBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n    // prettier-ignore\n    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n      0.0, 0.0,\n      1.0, 0.0,\n      0.0, 1.0,\n      0.0, 1.0,\n      1.0, 0.0,\n      1.0, 1.0]), gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(texCoordLocation);\n    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);\n\n    gl.uniform1i(texLayerLocation, 0);\n    gl.uniform1i(texMaskLocation, 1);\n\n    smaskCache = cache;\n  }\n\n  function composeSMask(layer, mask, properties) {\n    var width = layer.width,\n      height = layer.height;\n\n    if (!smaskCache) {\n      initSmaskGL();\n    }\n    var cache = smaskCache,\n      canvas = cache.canvas,\n      gl = cache.gl;\n    canvas.width = width;\n    canvas.height = height;\n    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n    gl.uniform2f(cache.resolutionLocation, width, height);\n\n    if (properties.backdrop) {\n      gl.uniform4f(\n        cache.resolutionLocation,\n        properties.backdrop[0],\n        properties.backdrop[1],\n        properties.backdrop[2],\n        1\n      );\n    } else {\n      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);\n    }\n    gl.uniform1i(\n      cache.subtypeLocation,\n      properties.subtype === \"Luminosity\" ? 1 : 0\n    );\n\n    // Create a textures\n    var texture = createTexture(gl, layer, gl.TEXTURE0);\n    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);\n\n    // Create a buffer and put a single clipspace rectangle in\n    // it (2 triangles)\n    var buffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);\n    // prettier-ignore\n    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n      0, 0,\n      width, 0,\n      0, height,\n      0, height,\n      width, 0,\n      width, height]), gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.positionLocation);\n    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n    // draw\n    gl.clearColor(0, 0, 0, 0);\n    gl.enable(gl.BLEND);\n    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);\n    gl.clear(gl.COLOR_BUFFER_BIT);\n\n    gl.drawArrays(gl.TRIANGLES, 0, 6);\n\n    gl.flush();\n\n    gl.deleteTexture(texture);\n    gl.deleteTexture(maskTexture);\n    gl.deleteBuffer(buffer);\n\n    return canvas;\n  }\n\n  var figuresVertexShaderCode =\n    \"\\\n  attribute vec2 a_position;                                    \\\n  attribute vec3 a_color;                                       \\\n                                                                \\\n  uniform vec2 u_resolution;                                    \\\n  uniform vec2 u_scale;                                         \\\n  uniform vec2 u_offset;                                        \\\n                                                                \\\n  varying vec4 v_color;                                         \\\n                                                                \\\n  void main() {                                                 \\\n    vec2 position = (a_position + u_offset) * u_scale;          \\\n    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \\\n    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \\\n                                                                \\\n    v_color = vec4(a_color / 255.0, 1.0);                       \\\n  }                                                             \";\n\n  var figuresFragmentShaderCode =\n    \"\\\n  precision mediump float;                                      \\\n                                                                \\\n  varying vec4 v_color;                                         \\\n                                                                \\\n  void main() {                                                 \\\n    gl_FragColor = v_color;                                     \\\n  }                                                             \";\n\n  var figuresCache = null;\n\n  function initFiguresGL() {\n    var canvas, gl;\n\n    generateGL();\n    canvas = currentCanvas;\n    currentCanvas = null;\n    gl = currentGL;\n    currentGL = null;\n\n    // setup a GLSL program\n    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);\n    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);\n    var program = createProgram(gl, [vertexShader, fragmentShader]);\n    gl.useProgram(program);\n\n    var cache = {};\n    cache.gl = gl;\n    cache.canvas = canvas;\n    cache.resolutionLocation = gl.getUniformLocation(program, \"u_resolution\");\n    cache.scaleLocation = gl.getUniformLocation(program, \"u_scale\");\n    cache.offsetLocation = gl.getUniformLocation(program, \"u_offset\");\n    cache.positionLocation = gl.getAttribLocation(program, \"a_position\");\n    cache.colorLocation = gl.getAttribLocation(program, \"a_color\");\n\n    figuresCache = cache;\n  }\n\n  function drawFigures(width, height, backgroundColor, figures, context) {\n    if (!figuresCache) {\n      initFiguresGL();\n    }\n    var cache = figuresCache,\n      canvas = cache.canvas,\n      gl = cache.gl;\n\n    canvas.width = width;\n    canvas.height = height;\n    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n    gl.uniform2f(cache.resolutionLocation, width, height);\n\n    // count triangle points\n    var count = 0;\n    var i, ii, rows;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      switch (figures[i].type) {\n        case \"lattice\":\n          rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;\n          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;\n          break;\n        case \"triangles\":\n          count += figures[i].coords.length;\n          break;\n      }\n    }\n    // transfer data\n    var coords = new Float32Array(count * 2);\n    var colors = new Uint8Array(count * 3);\n    var coordsMap = context.coords,\n      colorsMap = context.colors;\n    var pIndex = 0,\n      cIndex = 0;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      var figure = figures[i],\n        ps = figure.coords,\n        cs = figure.colors;\n      switch (figure.type) {\n        case \"lattice\":\n          var cols = figure.verticesPerRow;\n          rows = (ps.length / cols) | 0;\n          for (var row = 1; row < rows; row++) {\n            var offset = row * cols + 1;\n            for (var col = 1; col < cols; col++, offset++) {\n              coords[pIndex] = coordsMap[ps[offset - cols - 1]];\n              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];\n              coords[pIndex + 2] = coordsMap[ps[offset - cols]];\n              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];\n              coords[pIndex + 4] = coordsMap[ps[offset - 1]];\n              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];\n              colors[cIndex] = colorsMap[cs[offset - cols - 1]];\n              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];\n              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];\n              colors[cIndex + 3] = colorsMap[cs[offset - cols]];\n              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];\n              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];\n              colors[cIndex + 6] = colorsMap[cs[offset - 1]];\n              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];\n              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];\n\n              coords[pIndex + 6] = coords[pIndex + 2];\n              coords[pIndex + 7] = coords[pIndex + 3];\n              coords[pIndex + 8] = coords[pIndex + 4];\n              coords[pIndex + 9] = coords[pIndex + 5];\n              coords[pIndex + 10] = coordsMap[ps[offset]];\n              coords[pIndex + 11] = coordsMap[ps[offset] + 1];\n              colors[cIndex + 9] = colors[cIndex + 3];\n              colors[cIndex + 10] = colors[cIndex + 4];\n              colors[cIndex + 11] = colors[cIndex + 5];\n              colors[cIndex + 12] = colors[cIndex + 6];\n              colors[cIndex + 13] = colors[cIndex + 7];\n              colors[cIndex + 14] = colors[cIndex + 8];\n              colors[cIndex + 15] = colorsMap[cs[offset]];\n              colors[cIndex + 16] = colorsMap[cs[offset] + 1];\n              colors[cIndex + 17] = colorsMap[cs[offset] + 2];\n              pIndex += 12;\n              cIndex += 18;\n            }\n          }\n          break;\n        case \"triangles\":\n          for (var j = 0, jj = ps.length; j < jj; j++) {\n            coords[pIndex] = coordsMap[ps[j]];\n            coords[pIndex + 1] = coordsMap[ps[j] + 1];\n            colors[cIndex] = colorsMap[cs[j]];\n            colors[cIndex + 1] = colorsMap[cs[j] + 1];\n            colors[cIndex + 2] = colorsMap[cs[j] + 2];\n            pIndex += 2;\n            cIndex += 3;\n          }\n          break;\n      }\n    }\n\n    // draw\n    if (backgroundColor) {\n      gl.clearColor(\n        backgroundColor[0] / 255,\n        backgroundColor[1] / 255,\n        backgroundColor[2] / 255,\n        1.0\n      );\n    } else {\n      gl.clearColor(0, 0, 0, 0);\n    }\n    gl.clear(gl.COLOR_BUFFER_BIT);\n\n    var coordsBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);\n    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.positionLocation);\n    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n    var colorsBuffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);\n    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);\n    gl.enableVertexAttribArray(cache.colorLocation);\n    gl.vertexAttribPointer(\n      cache.colorLocation,\n      3,\n      gl.UNSIGNED_BYTE,\n      false,\n      0,\n      0\n    );\n\n    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);\n    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);\n\n    gl.drawArrays(gl.TRIANGLES, 0, count);\n\n    gl.flush();\n\n    gl.deleteBuffer(coordsBuffer);\n    gl.deleteBuffer(colorsBuffer);\n\n    return canvas;\n  }\n\n  return {\n    tryInitGL() {\n      try {\n        generateGL();\n        return !!currentGL;\n      } catch (ex) {}\n      return false;\n    },\n\n    composeSMask,\n\n    drawFigures,\n\n    cleanup() {\n      if (smaskCache && smaskCache.canvas) {\n        smaskCache.canvas.width = 0;\n        smaskCache.canvas.height = 0;\n      }\n      if (figuresCache && figuresCache.canvas) {\n        figuresCache.canvas.width = 0;\n        figuresCache.canvas.height = 0;\n      }\n      smaskCache = null;\n      figuresCache = null;\n    },\n  };\n})();\n\nexport { WebGLContext };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  addLinkAttributes,\n  DOMSVGFactory,\n  getFilenameFromUrl,\n  LinkTarget,\n  PDFDateString,\n} from \"./display_utils.js\";\nimport {\n  AnnotationBorderStyleType,\n  AnnotationType,\n  stringToPDFString,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { AnnotationStorage } from \"./annotation_storage.js\";\n\n/**\n * @typedef {Object} AnnotationElementParameters\n * @property {Object} data\n * @property {HTMLDivElement} layer\n * @property {PDFPage} page\n * @property {PageViewport} viewport\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {AnnotationStorage} [annotationStorage]\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n * @property {Object} svgFactory\n */\n\nclass AnnotationElementFactory {\n  /**\n   * @param {AnnotationElementParameters} parameters\n   * @returns {AnnotationElement}\n   */\n  static create(parameters) {\n    const subtype = parameters.data.annotationType;\n\n    switch (subtype) {\n      case AnnotationType.LINK:\n        return new LinkAnnotationElement(parameters);\n\n      case AnnotationType.TEXT:\n        return new TextAnnotationElement(parameters);\n\n      case AnnotationType.WIDGET:\n        const fieldType = parameters.data.fieldType;\n\n        switch (fieldType) {\n          case \"Tx\":\n            return new TextWidgetAnnotationElement(parameters);\n          case \"Btn\":\n            if (parameters.data.radioButton) {\n              return new RadioButtonWidgetAnnotationElement(parameters);\n            } else if (parameters.data.checkBox) {\n              return new CheckboxWidgetAnnotationElement(parameters);\n            }\n            return new PushButtonWidgetAnnotationElement(parameters);\n          case \"Ch\":\n            return new ChoiceWidgetAnnotationElement(parameters);\n        }\n        return new WidgetAnnotationElement(parameters);\n\n      case AnnotationType.POPUP:\n        return new PopupAnnotationElement(parameters);\n\n      case AnnotationType.FREETEXT:\n        return new FreeTextAnnotationElement(parameters);\n\n      case AnnotationType.LINE:\n        return new LineAnnotationElement(parameters);\n\n      case AnnotationType.SQUARE:\n        return new SquareAnnotationElement(parameters);\n\n      case AnnotationType.CIRCLE:\n        return new CircleAnnotationElement(parameters);\n\n      case AnnotationType.POLYLINE:\n        return new PolylineAnnotationElement(parameters);\n\n      case AnnotationType.CARET:\n        return new CaretAnnotationElement(parameters);\n\n      case AnnotationType.INK:\n        return new InkAnnotationElement(parameters);\n\n      case AnnotationType.POLYGON:\n        return new PolygonAnnotationElement(parameters);\n\n      case AnnotationType.HIGHLIGHT:\n        return new HighlightAnnotationElement(parameters);\n\n      case AnnotationType.UNDERLINE:\n        return new UnderlineAnnotationElement(parameters);\n\n      case AnnotationType.SQUIGGLY:\n        return new SquigglyAnnotationElement(parameters);\n\n      case AnnotationType.STRIKEOUT:\n        return new StrikeOutAnnotationElement(parameters);\n\n      case AnnotationType.STAMP:\n        return new StampAnnotationElement(parameters);\n\n      case AnnotationType.FILEATTACHMENT:\n        return new FileAttachmentAnnotationElement(parameters);\n\n      default:\n        return new AnnotationElement(parameters);\n    }\n  }\n}\n\nclass AnnotationElement {\n  constructor(parameters, isRenderable = false, ignoreBorder = false) {\n    this.isRenderable = isRenderable;\n    this.data = parameters.data;\n    this.layer = parameters.layer;\n    this.page = parameters.page;\n    this.viewport = parameters.viewport;\n    this.linkService = parameters.linkService;\n    this.downloadManager = parameters.downloadManager;\n    this.imageResourcesPath = parameters.imageResourcesPath;\n    this.renderInteractiveForms = parameters.renderInteractiveForms;\n    this.svgFactory = parameters.svgFactory;\n    this.annotationStorage = parameters.annotationStorage;\n\n    if (isRenderable) {\n      this.container = this._createContainer(ignoreBorder);\n    }\n  }\n\n  /**\n   * Create an empty container for the annotation's HTML element.\n   *\n   * @private\n   * @param {boolean} ignoreBorder\n   * @memberof AnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  _createContainer(ignoreBorder = false) {\n    const data = this.data,\n      page = this.page,\n      viewport = this.viewport;\n    const container = document.createElement(\"section\");\n    let width = data.rect[2] - data.rect[0];\n    let height = data.rect[3] - data.rect[1];\n\n    container.setAttribute(\"data-annotation-id\", data.id);\n\n    // Do *not* modify `data.rect`, since that will corrupt the annotation\n    // position on subsequent calls to `_createContainer` (see issue 6804).\n    const rect = Util.normalizeRect([\n      data.rect[0],\n      page.view[3] - data.rect[1] + page.view[1],\n      data.rect[2],\n      page.view[3] - data.rect[3] + page.view[1],\n    ]);\n\n    container.style.transform = `matrix(${viewport.transform.join(\",\")})`;\n    container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`;\n\n    if (!ignoreBorder && data.borderStyle.width > 0) {\n      container.style.borderWidth = `${data.borderStyle.width}px`;\n      if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {\n        // Underline styles only have a bottom border, so we do not need\n        // to adjust for all borders. This yields a similar result as\n        // Adobe Acrobat/Reader.\n        width = width - 2 * data.borderStyle.width;\n        height = height - 2 * data.borderStyle.width;\n      }\n\n      const horizontalRadius = data.borderStyle.horizontalCornerRadius;\n      const verticalRadius = data.borderStyle.verticalCornerRadius;\n      if (horizontalRadius > 0 || verticalRadius > 0) {\n        const radius = `${horizontalRadius}px / ${verticalRadius}px`;\n        container.style.borderRadius = radius;\n      }\n\n      switch (data.borderStyle.style) {\n        case AnnotationBorderStyleType.SOLID:\n          container.style.borderStyle = \"solid\";\n          break;\n\n        case AnnotationBorderStyleType.DASHED:\n          container.style.borderStyle = \"dashed\";\n          break;\n\n        case AnnotationBorderStyleType.BEVELED:\n          warn(\"Unimplemented border style: beveled\");\n          break;\n\n        case AnnotationBorderStyleType.INSET:\n          warn(\"Unimplemented border style: inset\");\n          break;\n\n        case AnnotationBorderStyleType.UNDERLINE:\n          container.style.borderBottomStyle = \"solid\";\n          break;\n\n        default:\n          break;\n      }\n\n      if (data.color) {\n        container.style.borderColor = Util.makeCssRgb(\n          data.color[0] | 0,\n          data.color[1] | 0,\n          data.color[2] | 0\n        );\n      } else {\n        // Transparent (invisible) border, so do not draw it at all.\n        container.style.borderWidth = 0;\n      }\n    }\n\n    container.style.left = `${rect[0]}px`;\n    container.style.top = `${rect[1]}px`;\n    container.style.width = `${width}px`;\n    container.style.height = `${height}px`;\n    return container;\n  }\n\n  /**\n   * Create a popup for the annotation's HTML element. This is used for\n   * annotations that do not have a Popup entry in the dictionary, but\n   * are of a type that works with popups (such as Highlight annotations).\n   *\n   * @private\n   * @param {HTMLSectionElement} container\n   * @param {HTMLDivElement|HTMLImageElement|null} trigger\n   * @param {Object} data\n   * @memberof AnnotationElement\n   */\n  _createPopup(container, trigger, data) {\n    // If no trigger element is specified, create it.\n    if (!trigger) {\n      trigger = document.createElement(\"div\");\n      trigger.style.height = container.style.height;\n      trigger.style.width = container.style.width;\n      container.appendChild(trigger);\n    }\n\n    const popupElement = new PopupElement({\n      container,\n      trigger,\n      color: data.color,\n      title: data.title,\n      modificationDate: data.modificationDate,\n      contents: data.contents,\n      hideWrapper: true,\n    });\n    const popup = popupElement.render();\n\n    // Position the popup next to the annotation's container.\n    popup.style.left = container.style.width;\n\n    container.appendChild(popup);\n  }\n\n  /**\n   * Render the annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof AnnotationElement\n   */\n  render() {\n    unreachable(\"Abstract method `AnnotationElement.render` called\");\n  }\n}\n\nclass LinkAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.url ||\n      parameters.data.dest ||\n      parameters.data.action\n    );\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the link annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof LinkAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"linkAnnotation\";\n\n    const { data, linkService } = this;\n    const link = document.createElement(\"a\");\n\n    if (data.url) {\n      addLinkAttributes(link, {\n        url: data.url,\n        target: data.newWindow\n          ? LinkTarget.BLANK\n          : linkService.externalLinkTarget,\n        rel: linkService.externalLinkRel,\n        enabled: linkService.externalLinkEnabled,\n      });\n    } else if (data.action) {\n      this._bindNamedAction(link, data.action);\n    } else {\n      this._bindLink(link, data.dest);\n    }\n\n    this.container.appendChild(link);\n    return this.container;\n  }\n\n  /**\n   * Bind internal links to the link element.\n   *\n   * @private\n   * @param {Object} link\n   * @param {Object} destination\n   * @memberof LinkAnnotationElement\n   */\n  _bindLink(link, destination) {\n    link.href = this.linkService.getDestinationHash(destination);\n    link.onclick = () => {\n      if (destination) {\n        this.linkService.navigateTo(destination);\n      }\n      return false;\n    };\n    if (destination) {\n      link.className = \"internalLink\";\n    }\n  }\n\n  /**\n   * Bind named actions to the link element.\n   *\n   * @private\n   * @param {Object} link\n   * @param {Object} action\n   * @memberof LinkAnnotationElement\n   */\n  _bindNamedAction(link, action) {\n    link.href = this.linkService.getAnchorUrl(\"\");\n    link.onclick = () => {\n      this.linkService.executeNamedAction(action);\n      return false;\n    };\n    link.className = \"internalLink\";\n  }\n}\n\nclass TextAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the text annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof TextAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"textAnnotation\";\n\n    const image = document.createElement(\"img\");\n    image.style.height = this.container.style.height;\n    image.style.width = this.container.style.width;\n    image.src =\n      this.imageResourcesPath +\n      \"annotation-\" +\n      this.data.name.toLowerCase() +\n      \".svg\";\n    image.alt = \"[{{type}} Annotation]\";\n    image.dataset.l10nId = \"text_annotation_type\";\n    image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, image, this.data);\n    }\n\n    this.container.appendChild(image);\n    return this.container;\n  }\n}\n\nclass WidgetAnnotationElement extends AnnotationElement {\n  /**\n   * Render the widget annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof WidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // Show only the container for unsupported field types.\n    return this.container;\n  }\n}\n\nclass TextWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    const isRenderable =\n      parameters.renderInteractiveForms ||\n      (!parameters.data.hasAppearance && !!parameters.data.fieldValue);\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the text widget annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof TextWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const TEXT_ALIGNMENT = [\"left\", \"center\", \"right\"];\n    const storage = this.annotationStorage;\n    const id = this.data.id;\n\n    this.container.className = \"textWidgetAnnotation\";\n\n    let element = null;\n    if (this.renderInteractiveForms) {\n      // NOTE: We cannot set the values using `element.value` below, since it\n      //       prevents the AnnotationLayer rasterizer in `test/driver.js`\n      //       from parsing the elements correctly for the reference tests.\n      const textContent = storage.getOrCreateValue(id, this.data.fieldValue);\n\n      if (this.data.multiLine) {\n        element = document.createElement(\"textarea\");\n        element.textContent = textContent;\n      } else {\n        element = document.createElement(\"input\");\n        element.type = \"text\";\n        element.setAttribute(\"value\", textContent);\n      }\n\n      element.addEventListener(\"input\", function (event) {\n        storage.setValue(id, event.target.value);\n      });\n\n      element.disabled = this.data.readOnly;\n      element.name = this.data.fieldName;\n\n      if (this.data.maxLen !== null) {\n        element.maxLength = this.data.maxLen;\n      }\n\n      if (this.data.comb) {\n        const fieldWidth = this.data.rect[2] - this.data.rect[0];\n        const combWidth = fieldWidth / this.data.maxLen;\n\n        element.classList.add(\"comb\");\n        element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;\n      }\n    } else {\n      element = document.createElement(\"div\");\n      element.textContent = this.data.fieldValue;\n      element.style.verticalAlign = \"middle\";\n      element.style.display = \"table-cell\";\n\n      let font = null;\n      if (\n        this.data.fontRefName &&\n        this.page.commonObjs.has(this.data.fontRefName)\n      ) {\n        font = this.page.commonObjs.get(this.data.fontRefName);\n      }\n      this._setTextStyle(element, font);\n    }\n\n    if (this.data.textAlignment !== null) {\n      element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];\n    }\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n\n  /**\n   * Apply text styles to the text in the element.\n   *\n   * @private\n   * @param {HTMLDivElement} element\n   * @param {Object} font\n   * @memberof TextWidgetAnnotationElement\n   */\n  _setTextStyle(element, font) {\n    // TODO: This duplicates some of the logic in CanvasGraphics.setFont().\n    const style = element.style;\n    style.fontSize = `${this.data.fontSize}px`;\n    style.direction = this.data.fontDirection < 0 ? \"rtl\" : \"ltr\";\n\n    if (!font) {\n      return;\n    }\n\n    let bold = \"normal\";\n    if (font.black) {\n      bold = \"900\";\n    } else if (font.bold) {\n      bold = \"bold\";\n    }\n    style.fontWeight = bold;\n    style.fontStyle = font.italic ? \"italic\" : \"normal\";\n\n    // Use a reasonable default font if the font doesn't specify a fallback.\n    const fontFamily = font.loadedName ? `\"${font.loadedName}\", ` : \"\";\n    const fallbackName = font.fallbackName || \"Helvetica, sans-serif\";\n    style.fontFamily = fontFamily + fallbackName;\n  }\n}\n\nclass CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the checkbox widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof CheckboxWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const storage = this.annotationStorage;\n    const data = this.data;\n    const id = data.id;\n    const value = storage.getOrCreateValue(\n      id,\n      data.fieldValue && data.fieldValue !== \"Off\"\n    );\n\n    this.container.className = \"buttonWidgetAnnotation checkBox\";\n\n    const element = document.createElement(\"input\");\n    element.disabled = data.readOnly;\n    element.type = \"checkbox\";\n    element.name = this.data.fieldName;\n    if (value) {\n      element.setAttribute(\"checked\", true);\n    }\n\n    element.addEventListener(\"change\", function (event) {\n      storage.setValue(id, event.target.checked);\n    });\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n}\n\nclass RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the radio button widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof RadioButtonWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"buttonWidgetAnnotation radioButton\";\n    const storage = this.annotationStorage;\n    const data = this.data;\n    const id = data.id;\n    const value = storage.getOrCreateValue(\n      id,\n      data.fieldValue === data.buttonValue\n    );\n\n    const element = document.createElement(\"input\");\n    element.disabled = data.readOnly;\n    element.type = \"radio\";\n    element.name = data.fieldName;\n    if (value) {\n      element.setAttribute(\"checked\", true);\n    }\n\n    element.addEventListener(\"change\", function (event) {\n      const name = event.target.name;\n      for (const radio of document.getElementsByName(name)) {\n        if (radio !== event.target) {\n          storage.setValue(\n            radio.parentNode.getAttribute(\"data-annotation-id\"),\n            false\n          );\n        }\n      }\n      storage.setValue(id, event.target.checked);\n    });\n\n    this.container.appendChild(element);\n    return this.container;\n  }\n}\n\nclass PushButtonWidgetAnnotationElement extends LinkAnnotationElement {\n  /**\n   * Render the push button widget annotation's HTML element\n   * in the empty container.\n   *\n   * @public\n   * @memberof PushButtonWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // The rendering and functionality of a push button widget annotation is\n    // equal to that of a link annotation, but may have more functionality, such\n    // as performing actions on form fields (resetting, submitting, et cetera).\n    const container = super.render();\n    container.className = \"buttonWidgetAnnotation pushButton\";\n    return container;\n  }\n}\n\nclass ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {\n  constructor(parameters) {\n    super(parameters, parameters.renderInteractiveForms);\n  }\n\n  /**\n   * Render the choice widget annotation's HTML element in the empty\n   * container.\n   *\n   * @public\n   * @memberof ChoiceWidgetAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"choiceWidgetAnnotation\";\n    const storage = this.annotationStorage;\n    const id = this.data.id;\n\n    // For printing/saving we currently only support choice widgets with one\n    // option selection. Therefore, listboxes (#12189) and comboboxes (#12224)\n    // are not properly printed/saved yet, so we only store the first item in\n    // the field value array instead of the entire array. Once support for those\n    // two field types is implemented, we should use the same pattern as the\n    // other interactive widgets where the return value of `getOrCreateValue` is\n    // used and the full array of field values is stored.\n    storage.getOrCreateValue(\n      id,\n      this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null\n    );\n\n    const selectElement = document.createElement(\"select\");\n    selectElement.disabled = this.data.readOnly;\n    selectElement.name = this.data.fieldName;\n\n    if (!this.data.combo) {\n      // List boxes have a size and (optionally) multiple selection.\n      selectElement.size = this.data.options.length;\n      if (this.data.multiSelect) {\n        selectElement.multiple = true;\n      }\n    }\n\n    // Insert the options into the choice field.\n    for (const option of this.data.options) {\n      const optionElement = document.createElement(\"option\");\n      optionElement.textContent = option.displayValue;\n      optionElement.value = option.exportValue;\n      if (this.data.fieldValue.includes(option.exportValue)) {\n        optionElement.setAttribute(\"selected\", true);\n      }\n      selectElement.appendChild(optionElement);\n    }\n\n    selectElement.addEventListener(\"input\", function (event) {\n      const options = event.target.options;\n      const value = options[options.selectedIndex].value;\n      storage.setValue(id, value);\n    });\n\n    this.container.appendChild(selectElement);\n    return this.container;\n  }\n}\n\nclass PopupAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(parameters.data.title || parameters.data.contents);\n    super(parameters, isRenderable);\n  }\n\n  /**\n   * Render the popup annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof PopupAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    // Do not render popup annotations for parent elements with these types as\n    // they create the popups themselves (because of custom trigger divs).\n    const IGNORE_TYPES = [\n      \"Line\",\n      \"Square\",\n      \"Circle\",\n      \"PolyLine\",\n      \"Polygon\",\n      \"Ink\",\n    ];\n\n    this.container.className = \"popupAnnotation\";\n\n    if (IGNORE_TYPES.includes(this.data.parentType)) {\n      return this.container;\n    }\n\n    const selector = `[data-annotation-id=\"${this.data.parentId}\"]`;\n    const parentElement = this.layer.querySelector(selector);\n    if (!parentElement) {\n      return this.container;\n    }\n\n    const popup = new PopupElement({\n      container: this.container,\n      trigger: parentElement,\n      color: this.data.color,\n      title: this.data.title,\n      modificationDate: this.data.modificationDate,\n      contents: this.data.contents,\n    });\n\n    // Position the popup next to the parent annotation's container.\n    // PDF viewers ignore a popup annotation's rectangle.\n    const parentLeft = parseFloat(parentElement.style.left);\n    const parentWidth = parseFloat(parentElement.style.width);\n    this.container.style.transformOrigin = `-${parentLeft + parentWidth}px -${\n      parentElement.style.top\n    }`;\n    this.container.style.left = `${parentLeft + parentWidth}px`;\n\n    this.container.appendChild(popup.render());\n    return this.container;\n  }\n}\n\nclass PopupElement {\n  constructor(parameters) {\n    this.container = parameters.container;\n    this.trigger = parameters.trigger;\n    this.color = parameters.color;\n    this.title = parameters.title;\n    this.modificationDate = parameters.modificationDate;\n    this.contents = parameters.contents;\n    this.hideWrapper = parameters.hideWrapper || false;\n\n    this.pinned = false;\n  }\n\n  /**\n   * Render the popup's HTML element.\n   *\n   * @public\n   * @memberof PopupElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    const BACKGROUND_ENLIGHT = 0.7;\n\n    const wrapper = document.createElement(\"div\");\n    wrapper.className = \"popupWrapper\";\n\n    // For Popup annotations we hide the entire section because it contains\n    // only the popup. However, for Text annotations without a separate Popup\n    // annotation, we cannot hide the entire container as the image would\n    // disappear too. In that special case, hiding the wrapper suffices.\n    this.hideElement = this.hideWrapper ? wrapper : this.container;\n    this.hideElement.setAttribute(\"hidden\", true);\n\n    const popup = document.createElement(\"div\");\n    popup.className = \"popup\";\n\n    const color = this.color;\n    if (color) {\n      // Enlighten the color.\n      const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];\n      const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];\n      const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];\n      popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);\n    }\n\n    const title = document.createElement(\"h1\");\n    title.textContent = this.title;\n    popup.appendChild(title);\n\n    // The modification date is shown in the popup instead of the creation\n    // date if it is available and can be parsed correctly, which is\n    // consistent with other viewers such as Adobe Acrobat.\n    const dateObject = PDFDateString.toDateObject(this.modificationDate);\n    if (dateObject) {\n      const modificationDate = document.createElement(\"span\");\n      modificationDate.textContent = \"{{date}}, {{time}}\";\n      modificationDate.dataset.l10nId = \"annotation_date_string\";\n      modificationDate.dataset.l10nArgs = JSON.stringify({\n        date: dateObject.toLocaleDateString(),\n        time: dateObject.toLocaleTimeString(),\n      });\n      popup.appendChild(modificationDate);\n    }\n\n    const contents = this._formatContents(this.contents);\n    popup.appendChild(contents);\n\n    // Attach the event listeners to the trigger element.\n    this.trigger.addEventListener(\"click\", this._toggle.bind(this));\n    this.trigger.addEventListener(\"mouseover\", this._show.bind(this, false));\n    this.trigger.addEventListener(\"mouseout\", this._hide.bind(this, false));\n    popup.addEventListener(\"click\", this._hide.bind(this, true));\n\n    wrapper.appendChild(popup);\n    return wrapper;\n  }\n\n  /**\n   * Format the contents of the popup by adding newlines where necessary.\n   *\n   * @private\n   * @param {string} contents\n   * @memberof PopupElement\n   * @returns {HTMLParagraphElement}\n   */\n  _formatContents(contents) {\n    const p = document.createElement(\"p\");\n    const lines = contents.split(/(?:\\r\\n?|\\n)/);\n    for (let i = 0, ii = lines.length; i < ii; ++i) {\n      const line = lines[i];\n      p.appendChild(document.createTextNode(line));\n      if (i < ii - 1) {\n        p.appendChild(document.createElement(\"br\"));\n      }\n    }\n    return p;\n  }\n\n  /**\n   * Toggle the visibility of the popup.\n   *\n   * @private\n   * @memberof PopupElement\n   */\n  _toggle() {\n    if (this.pinned) {\n      this._hide(true);\n    } else {\n      this._show(true);\n    }\n  }\n\n  /**\n   * Show the popup.\n   *\n   * @private\n   * @param {boolean} pin\n   * @memberof PopupElement\n   */\n  _show(pin = false) {\n    if (pin) {\n      this.pinned = true;\n    }\n    if (this.hideElement.hasAttribute(\"hidden\")) {\n      this.hideElement.removeAttribute(\"hidden\");\n      this.container.style.zIndex += 1;\n    }\n  }\n\n  /**\n   * Hide the popup.\n   *\n   * @private\n   * @param {boolean} unpin\n   * @memberof PopupElement\n   */\n  _hide(unpin = true) {\n    if (unpin) {\n      this.pinned = false;\n    }\n    if (!this.hideElement.hasAttribute(\"hidden\") && !this.pinned) {\n      this.hideElement.setAttribute(\"hidden\", true);\n      this.container.style.zIndex -= 1;\n    }\n  }\n}\n\nclass FreeTextAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the free text annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof FreeTextAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"freeTextAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass LineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the line annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof LineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"lineAnnotation\";\n\n    // Create an invisible line with the same starting and ending coordinates\n    // that acts as the trigger for the popup. Only the line itself should\n    // trigger the popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // PDF coordinates are calculated from a bottom left origin, so transform\n    // the line coordinates to a top left origin for the SVG element.\n    const line = this.svgFactory.createElement(\"svg:line\");\n    line.setAttribute(\"x1\", data.rect[2] - data.lineCoordinates[0]);\n    line.setAttribute(\"y1\", data.rect[3] - data.lineCoordinates[1]);\n    line.setAttribute(\"x2\", data.rect[2] - data.lineCoordinates[2]);\n    line.setAttribute(\"y2\", data.rect[3] - data.lineCoordinates[3]);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    line.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n    line.setAttribute(\"stroke\", \"transparent\");\n\n    svg.appendChild(line);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the line instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, line, data);\n\n    return this.container;\n  }\n}\n\nclass SquareAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the square annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof SquareAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"squareAnnotation\";\n\n    // Create an invisible square with the same rectangle that acts as the\n    // trigger for the popup. Only the square itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // The browser draws half of the borders inside the square and half of\n    // the borders outside the square by default. This behavior cannot be\n    // changed programmatically, so correct for that here.\n    const borderWidth = data.borderStyle.width;\n    const square = this.svgFactory.createElement(\"svg:rect\");\n    square.setAttribute(\"x\", borderWidth / 2);\n    square.setAttribute(\"y\", borderWidth / 2);\n    square.setAttribute(\"width\", width - borderWidth);\n    square.setAttribute(\"height\", height - borderWidth);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    square.setAttribute(\"stroke-width\", borderWidth || 1);\n    square.setAttribute(\"stroke\", \"transparent\");\n    square.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(square);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the square instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, square, data);\n\n    return this.container;\n  }\n}\n\nclass CircleAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the circle annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof CircleAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"circleAnnotation\";\n\n    // Create an invisible circle with the same ellipse that acts as the\n    // trigger for the popup. Only the circle itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // The browser draws half of the borders inside the circle and half of\n    // the borders outside the circle by default. This behavior cannot be\n    // changed programmatically, so correct for that here.\n    const borderWidth = data.borderStyle.width;\n    const circle = this.svgFactory.createElement(\"svg:ellipse\");\n    circle.setAttribute(\"cx\", width / 2);\n    circle.setAttribute(\"cy\", height / 2);\n    circle.setAttribute(\"rx\", width / 2 - borderWidth / 2);\n    circle.setAttribute(\"ry\", height / 2 - borderWidth / 2);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    circle.setAttribute(\"stroke-width\", borderWidth || 1);\n    circle.setAttribute(\"stroke\", \"transparent\");\n    circle.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(circle);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the circle instead\n    // of to the entire container (which is the default).\n    this._createPopup(this.container, circle, data);\n\n    return this.container;\n  }\n}\n\nclass PolylineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n\n    this.containerClassName = \"polylineAnnotation\";\n    this.svgElementName = \"svg:polyline\";\n  }\n\n  /**\n   * Render the polyline annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof PolylineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = this.containerClassName;\n\n    // Create an invisible polyline with the same points that acts as the\n    // trigger for the popup. Only the polyline itself should trigger the\n    // popup, not the entire container.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    // Convert the vertices array to a single points string that the SVG\n    // polyline element expects (\"x1,y1 x2,y2 ...\"). PDF coordinates are\n    // calculated from a bottom left origin, so transform the polyline\n    // coordinates to a top left origin for the SVG element.\n    let points = [];\n    for (const coordinate of data.vertices) {\n      const x = coordinate.x - data.rect[0];\n      const y = data.rect[3] - coordinate.y;\n      points.push(x + \",\" + y);\n    }\n    points = points.join(\" \");\n\n    const polyline = this.svgFactory.createElement(this.svgElementName);\n    polyline.setAttribute(\"points\", points);\n    // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n    // won't be possible to open/close the popup (note e.g. issue 11122).\n    polyline.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n    polyline.setAttribute(\"stroke\", \"transparent\");\n    polyline.setAttribute(\"fill\", \"none\");\n\n    svg.appendChild(polyline);\n    this.container.append(svg);\n\n    // Create the popup ourselves so that we can bind it to the polyline\n    // instead of to the entire container (which is the default).\n    this._createPopup(this.container, polyline, data);\n\n    return this.container;\n  }\n}\n\nclass PolygonAnnotationElement extends PolylineAnnotationElement {\n  constructor(parameters) {\n    // Polygons are specific forms of polylines, so reuse their logic.\n    super(parameters);\n\n    this.containerClassName = \"polygonAnnotation\";\n    this.svgElementName = \"svg:polygon\";\n  }\n}\n\nclass CaretAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the caret annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof CaretAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"caretAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass InkAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n\n    this.containerClassName = \"inkAnnotation\";\n\n    // Use the polyline SVG element since it allows us to use coordinates\n    // directly and to draw both straight lines and curves.\n    this.svgElementName = \"svg:polyline\";\n  }\n\n  /**\n   * Render the ink annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof InkAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = this.containerClassName;\n\n    // Create an invisible polyline with the same points that acts as the\n    // trigger for the popup.\n    const data = this.data;\n    const width = data.rect[2] - data.rect[0];\n    const height = data.rect[3] - data.rect[1];\n    const svg = this.svgFactory.create(width, height);\n\n    for (const inkList of data.inkLists) {\n      // Convert the ink list to a single points string that the SVG\n      // polyline element expects (\"x1,y1 x2,y2 ...\"). PDF coordinates are\n      // calculated from a bottom left origin, so transform the polyline\n      // coordinates to a top left origin for the SVG element.\n      let points = [];\n      for (const coordinate of inkList) {\n        const x = coordinate.x - data.rect[0];\n        const y = data.rect[3] - coordinate.y;\n        points.push(`${x},${y}`);\n      }\n      points = points.join(\" \");\n\n      const polyline = this.svgFactory.createElement(this.svgElementName);\n      polyline.setAttribute(\"points\", points);\n      // Ensure that the 'stroke-width' is always non-zero, since otherwise it\n      // won't be possible to open/close the popup (note e.g. issue 11122).\n      polyline.setAttribute(\"stroke-width\", data.borderStyle.width || 1);\n      polyline.setAttribute(\"stroke\", \"transparent\");\n      polyline.setAttribute(\"fill\", \"none\");\n\n      // Create the popup ourselves so that we can bind it to the polyline\n      // instead of to the entire container (which is the default).\n      this._createPopup(this.container, polyline, data);\n\n      svg.appendChild(polyline);\n    }\n\n    this.container.append(svg);\n    return this.container;\n  }\n}\n\nclass HighlightAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the highlight annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof HighlightAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"highlightAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass UnderlineAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the underline annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof UnderlineAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"underlineAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass SquigglyAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the squiggly annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof SquigglyAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"squigglyAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass StrikeOutAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the strikeout annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof StrikeOutAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"strikeoutAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass StampAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    const isRenderable = !!(\n      parameters.data.hasPopup ||\n      parameters.data.title ||\n      parameters.data.contents\n    );\n    super(parameters, isRenderable, /* ignoreBorder = */ true);\n  }\n\n  /**\n   * Render the stamp annotation's HTML element in the empty container.\n   *\n   * @public\n   * @memberof StampAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"stampAnnotation\";\n\n    if (!this.data.hasPopup) {\n      this._createPopup(this.container, null, this.data);\n    }\n    return this.container;\n  }\n}\n\nclass FileAttachmentAnnotationElement extends AnnotationElement {\n  constructor(parameters) {\n    super(parameters, /* isRenderable = */ true);\n\n    const { filename, content } = this.data.file;\n    this.filename = getFilenameFromUrl(filename);\n    this.content = content;\n\n    if (this.linkService.eventBus) {\n      this.linkService.eventBus.dispatch(\"fileattachmentannotation\", {\n        source: this,\n        id: stringToPDFString(filename),\n        filename,\n        content,\n      });\n    }\n  }\n\n  /**\n   * Render the file attachment annotation's HTML element in the empty\n   * container.\n   *\n   * @public\n   * @memberof FileAttachmentAnnotationElement\n   * @returns {HTMLSectionElement}\n   */\n  render() {\n    this.container.className = \"fileAttachmentAnnotation\";\n\n    const trigger = document.createElement(\"div\");\n    trigger.style.height = this.container.style.height;\n    trigger.style.width = this.container.style.width;\n    trigger.addEventListener(\"dblclick\", this._download.bind(this));\n\n    if (!this.data.hasPopup && (this.data.title || this.data.contents)) {\n      this._createPopup(this.container, trigger, this.data);\n    }\n\n    this.container.appendChild(trigger);\n    return this.container;\n  }\n\n  /**\n   * Download the file attachment associated with this annotation.\n   *\n   * @private\n   * @memberof FileAttachmentAnnotationElement\n   */\n  _download() {\n    if (!this.downloadManager) {\n      warn(\"Download cannot be started due to unavailable download manager\");\n      return;\n    }\n    this.downloadManager.downloadData(this.content, this.filename, \"\");\n  }\n}\n\n/**\n * @typedef {Object} AnnotationLayerParameters\n * @property {PageViewport} viewport\n * @property {HTMLDivElement} div\n * @property {Array} annotations\n * @property {PDFPage} page\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n */\n\nclass AnnotationLayer {\n  /**\n   * Render a new annotation layer with all annotation elements.\n   *\n   * @public\n   * @param {AnnotationLayerParameters} parameters\n   * @memberof AnnotationLayer\n   */\n  static render(parameters) {\n    const sortedAnnotations = [],\n      popupAnnotations = [];\n    // Ensure that Popup annotations are handled last, since they're dependant\n    // upon the parent annotation having already been rendered (please refer to\n    // the `PopupAnnotationElement.render` method); fixes issue 11362.\n    for (const data of parameters.annotations) {\n      if (!data) {\n        continue;\n      }\n      if (data.annotationType === AnnotationType.POPUP) {\n        popupAnnotations.push(data);\n        continue;\n      }\n      sortedAnnotations.push(data);\n    }\n    if (popupAnnotations.length) {\n      sortedAnnotations.push(...popupAnnotations);\n    }\n\n    for (const data of sortedAnnotations) {\n      const element = AnnotationElementFactory.create({\n        data,\n        layer: parameters.div,\n        page: parameters.page,\n        viewport: parameters.viewport,\n        linkService: parameters.linkService,\n        downloadManager: parameters.downloadManager,\n        imageResourcesPath: parameters.imageResourcesPath || \"\",\n        renderInteractiveForms:\n          typeof parameters.renderInteractiveForms === \"boolean\"\n            ? parameters.renderInteractiveForms\n            : true,\n        svgFactory: new DOMSVGFactory(),\n        annotationStorage:\n          parameters.annotationStorage || new AnnotationStorage(),\n      });\n      if (element.isRenderable) {\n        parameters.div.appendChild(element.render());\n      }\n    }\n  }\n\n  /**\n   * Update the annotation elements on existing annotation layer.\n   *\n   * @public\n   * @param {AnnotationLayerParameters} parameters\n   * @memberof AnnotationLayer\n   */\n  static update(parameters) {\n    for (const data of parameters.annotations) {\n      const element = parameters.div.querySelector(\n        `[data-annotation-id=\"${data.id}\"]`\n      );\n      if (element) {\n        element.style.transform = `matrix(${parameters.viewport.transform.join(\n          \",\"\n        )})`;\n      }\n    }\n    parameters.div.removeAttribute(\"hidden\");\n  }\n}\n\nexport { AnnotationLayer };\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  createPromiseCapability,\n  Util,\n} from \"../shared/util.js\";\n\n/**\n * Text layer render parameters.\n *\n * @typedef {Object} TextLayerRenderParameters\n * @property {import(\"./api\").TextContent} [textContent] - Text content to\n *   render (the object is returned by the page's `getTextContent` method).\n * @property {ReadableStream} [textContentStream] - Text content stream to\n *   render (the stream is returned by the page's `streamTextContent` method).\n * @property {HTMLElement} container - HTML element that will contain text runs.\n * @property {import(\"./display_utils\").PageViewport} viewport - The target\n *   viewport to properly layout the text runs.\n * @property {Array<HTMLElement>} [textDivs] - HTML elements that are correspond\n *   to the text items of the textContent input. This is output and shall be\n *   initially be set to empty array.\n * @property {Array<string>} [textContentItemsStr] - Strings that correspond to\n *    the `str` property of the text items of textContent input. This is output\n *   and shall be initially be set to empty array.\n * @property {number} [timeout] - Delay in milliseconds before rendering of the\n *   text runs occurs.\n * @property {boolean} [enhanceTextSelection] - Whether to turn on the text\n *   selection enhancement.\n */\n\n/**\n * @typedef {Object} TextLayerRenderTask\n * @property {Promise<void>} promise\n * @property {() => void} cancel\n * @property {(expandDivs: boolean) => void} expandTextDivs\n */\n\n/**\n * @type {(renderParameters: TextLayerRenderParameters) => TextLayerRenderTask}\n */\nvar renderTextLayer = (function renderTextLayerClosure() {\n  var MAX_TEXT_DIVS_TO_RENDER = 100000;\n\n  var NonWhitespaceRegexp = /\\S/;\n\n  function isAllWhitespace(str) {\n    return !NonWhitespaceRegexp.test(str);\n  }\n\n  function appendText(task, geom, styles) {\n    // Initialize all used properties to keep the caches monomorphic.\n    var textDiv = document.createElement(\"span\");\n    var textDivProperties = {\n      angle: 0,\n      canvasWidth: 0,\n      isWhitespace: false,\n      originalTransform: null,\n      paddingBottom: 0,\n      paddingLeft: 0,\n      paddingRight: 0,\n      paddingTop: 0,\n      scale: 1,\n    };\n\n    task._textDivs.push(textDiv);\n    if (isAllWhitespace(geom.str)) {\n      textDivProperties.isWhitespace = true;\n      task._textDivProperties.set(textDiv, textDivProperties);\n      return;\n    }\n\n    var tx = Util.transform(task._viewport.transform, geom.transform);\n    var angle = Math.atan2(tx[1], tx[0]);\n    var style = styles[geom.fontName];\n    if (style.vertical) {\n      angle += Math.PI / 2;\n    }\n    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);\n    var fontAscent = fontHeight;\n    if (style.ascent) {\n      fontAscent = style.ascent * fontAscent;\n    } else if (style.descent) {\n      fontAscent = (1 + style.descent) * fontAscent;\n    }\n\n    let left, top;\n    if (angle === 0) {\n      left = tx[4];\n      top = tx[5] - fontAscent;\n    } else {\n      left = tx[4] + fontAscent * Math.sin(angle);\n      top = tx[5] - fontAscent * Math.cos(angle);\n    }\n    // Setting the style properties individually, rather than all at once,\n    // should be OK since the `textDiv` isn't appended to the document yet.\n    textDiv.style.left = `${left}px`;\n    textDiv.style.top = `${top}px`;\n    textDiv.style.fontSize = `${fontHeight}px`;\n    textDiv.style.fontFamily = style.fontFamily;\n\n    textDiv.textContent = geom.str;\n    // `fontName` is only used by the FontInspector, and we only use `dataset`\n    // here to make the font name available in the debugger.\n    if (task._fontInspectorEnabled) {\n      textDiv.dataset.fontName = geom.fontName;\n    }\n    if (angle !== 0) {\n      textDivProperties.angle = angle * (180 / Math.PI);\n    }\n    // We don't bother scaling single-char text divs, because it has very\n    // little effect on text highlighting. This makes scrolling on docs with\n    // lots of such divs a lot faster.\n    let shouldScaleText = false;\n    if (geom.str.length > 1) {\n      shouldScaleText = true;\n    } else if (geom.transform[0] !== geom.transform[3]) {\n      const absScaleX = Math.abs(geom.transform[0]),\n        absScaleY = Math.abs(geom.transform[3]);\n      // When the horizontal/vertical scaling differs significantly, also scale\n      // even single-char text to improve highlighting (fixes issue11713.pdf).\n      if (\n        absScaleX !== absScaleY &&\n        Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5\n      ) {\n        shouldScaleText = true;\n      }\n    }\n    if (shouldScaleText) {\n      if (style.vertical) {\n        textDivProperties.canvasWidth = geom.height * task._viewport.scale;\n      } else {\n        textDivProperties.canvasWidth = geom.width * task._viewport.scale;\n      }\n    }\n    task._textDivProperties.set(textDiv, textDivProperties);\n    if (task._textContentStream) {\n      task._layoutText(textDiv);\n    }\n\n    if (task._enhanceTextSelection) {\n      var angleCos = 1,\n        angleSin = 0;\n      if (angle !== 0) {\n        angleCos = Math.cos(angle);\n        angleSin = Math.sin(angle);\n      }\n      var divWidth =\n        (style.vertical ? geom.height : geom.width) * task._viewport.scale;\n      var divHeight = fontHeight;\n\n      var m, b;\n      if (angle !== 0) {\n        m = [angleCos, angleSin, -angleSin, angleCos, left, top];\n        b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);\n      } else {\n        b = [left, top, left + divWidth, top + divHeight];\n      }\n\n      task._bounds.push({\n        left: b[0],\n        top: b[1],\n        right: b[2],\n        bottom: b[3],\n        div: textDiv,\n        size: [divWidth, divHeight],\n        m,\n      });\n    }\n  }\n\n  function render(task) {\n    if (task._canceled) {\n      return;\n    }\n    var textDivs = task._textDivs;\n    var capability = task._capability;\n    var textDivsLength = textDivs.length;\n\n    // No point in rendering many divs as it would make the browser\n    // unusable even after the divs are rendered.\n    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {\n      task._renderingDone = true;\n      capability.resolve();\n      return;\n    }\n\n    if (!task._textContentStream) {\n      for (var i = 0; i < textDivsLength; i++) {\n        task._layoutText(textDivs[i]);\n      }\n    }\n\n    task._renderingDone = true;\n    capability.resolve();\n  }\n\n  function findPositiveMin(ts, offset, count) {\n    let result = 0;\n    for (let i = 0; i < count; i++) {\n      const t = ts[offset++];\n      if (t > 0) {\n        result = result ? Math.min(t, result) : t;\n      }\n    }\n    return result;\n  }\n\n  function expand(task) {\n    var bounds = task._bounds;\n    var viewport = task._viewport;\n\n    var expanded = expandBounds(viewport.width, viewport.height, bounds);\n    for (var i = 0; i < expanded.length; i++) {\n      var div = bounds[i].div;\n      var divProperties = task._textDivProperties.get(div);\n      if (divProperties.angle === 0) {\n        divProperties.paddingLeft = bounds[i].left - expanded[i].left;\n        divProperties.paddingTop = bounds[i].top - expanded[i].top;\n        divProperties.paddingRight = expanded[i].right - bounds[i].right;\n        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;\n        task._textDivProperties.set(div, divProperties);\n        continue;\n      }\n      // Box is rotated -- trying to find padding so rotated div will not\n      // exceed its expanded bounds.\n      var e = expanded[i],\n        b = bounds[i];\n      var m = b.m,\n        c = m[0],\n        s = m[1];\n      // Finding intersections with expanded box.\n      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];\n      var ts = new Float64Array(64);\n      points.forEach(function (p, j) {\n        var t = Util.applyTransform(p, m);\n        ts[j + 0] = c && (e.left - t[0]) / c;\n        ts[j + 4] = s && (e.top - t[1]) / s;\n        ts[j + 8] = c && (e.right - t[0]) / c;\n        ts[j + 12] = s && (e.bottom - t[1]) / s;\n\n        ts[j + 16] = s && (e.left - t[0]) / -s;\n        ts[j + 20] = c && (e.top - t[1]) / c;\n        ts[j + 24] = s && (e.right - t[0]) / -s;\n        ts[j + 28] = c && (e.bottom - t[1]) / c;\n\n        ts[j + 32] = c && (e.left - t[0]) / -c;\n        ts[j + 36] = s && (e.top - t[1]) / -s;\n        ts[j + 40] = c && (e.right - t[0]) / -c;\n        ts[j + 44] = s && (e.bottom - t[1]) / -s;\n\n        ts[j + 48] = s && (e.left - t[0]) / s;\n        ts[j + 52] = c && (e.top - t[1]) / -c;\n        ts[j + 56] = s && (e.right - t[0]) / s;\n        ts[j + 60] = c && (e.bottom - t[1]) / -c;\n      });\n      // Not based on math, but to simplify calculations, using cos and sin\n      // absolute values to not exceed the box (it can but insignificantly).\n      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));\n      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;\n      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;\n      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;\n      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;\n      task._textDivProperties.set(div, divProperties);\n    }\n  }\n\n  function expandBounds(width, height, boxes) {\n    var bounds = boxes.map(function (box, i) {\n      return {\n        x1: box.left,\n        y1: box.top,\n        x2: box.right,\n        y2: box.bottom,\n        index: i,\n        x1New: undefined,\n        x2New: undefined,\n      };\n    });\n    expandBoundsLTR(width, bounds);\n    var expanded = new Array(boxes.length);\n    bounds.forEach(function (b) {\n      var i = b.index;\n      expanded[i] = {\n        left: b.x1New,\n        top: 0,\n        right: b.x2New,\n        bottom: 0,\n      };\n    });\n\n    // Rotating on 90 degrees and extending extended boxes. Reusing the bounds\n    // array and objects.\n    boxes.map(function (box, i) {\n      var e = expanded[i],\n        b = bounds[i];\n      b.x1 = box.top;\n      b.y1 = width - e.right;\n      b.x2 = box.bottom;\n      b.y2 = width - e.left;\n      b.index = i;\n      b.x1New = undefined;\n      b.x2New = undefined;\n    });\n    expandBoundsLTR(height, bounds);\n\n    bounds.forEach(function (b) {\n      var i = b.index;\n      expanded[i].top = b.x1New;\n      expanded[i].bottom = b.x2New;\n    });\n    return expanded;\n  }\n\n  function expandBoundsLTR(width, bounds) {\n    // Sorting by x1 coordinate and walk by the bounds in the same order.\n    bounds.sort(function (a, b) {\n      return a.x1 - b.x1 || a.index - b.index;\n    });\n\n    // First we see on the horizon is a fake boundary.\n    var fakeBoundary = {\n      x1: -Infinity,\n      y1: -Infinity,\n      x2: 0,\n      y2: Infinity,\n      index: -1,\n      x1New: 0,\n      x2New: 0,\n    };\n    var horizon = [\n      {\n        start: -Infinity,\n        end: Infinity,\n        boundary: fakeBoundary,\n      },\n    ];\n\n    bounds.forEach(function (boundary) {\n      // Searching for the affected part of horizon.\n      // TODO red-black tree or simple binary search\n      var i = 0;\n      while (i < horizon.length && horizon[i].end <= boundary.y1) {\n        i++;\n      }\n      var j = horizon.length - 1;\n      while (j >= 0 && horizon[j].start >= boundary.y2) {\n        j--;\n      }\n\n      var horizonPart, affectedBoundary;\n      var q,\n        k,\n        maxXNew = -Infinity;\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        var xNew;\n        if (affectedBoundary.x2 > boundary.x1) {\n          // In the middle of the previous element, new x shall be at the\n          // boundary start. Extending if further if the affected boundary\n          // placed on top of the current one.\n          xNew =\n            affectedBoundary.index > boundary.index\n              ? affectedBoundary.x1New\n              : boundary.x1;\n        } else if (affectedBoundary.x2New === undefined) {\n          // We have some space in between, new x in middle will be a fair\n          // choice.\n          xNew = (affectedBoundary.x2 + boundary.x1) / 2;\n        } else {\n          // Affected boundary has x2new set, using it as new x.\n          xNew = affectedBoundary.x2New;\n        }\n        if (xNew > maxXNew) {\n          maxXNew = xNew;\n        }\n      }\n\n      // Set new x1 for current boundary.\n      boundary.x1New = maxXNew;\n\n      // Adjusts new x2 for the affected boundaries.\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        if (affectedBoundary.x2New === undefined) {\n          // Was not set yet, choosing new x if possible.\n          if (affectedBoundary.x2 > boundary.x1) {\n            // Current and affected boundaries intersect. If affected boundary\n            // is placed on top of the current, shrinking the affected.\n            if (affectedBoundary.index > boundary.index) {\n              affectedBoundary.x2New = affectedBoundary.x2;\n            }\n          } else {\n            affectedBoundary.x2New = maxXNew;\n          }\n        } else if (affectedBoundary.x2New > maxXNew) {\n          // Affected boundary is touching new x, pushing it back.\n          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);\n        }\n      }\n\n      // Fixing the horizon.\n      var changedHorizon = [],\n        lastBoundary = null;\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        // Checking which boundary will be visible.\n        var useBoundary =\n          affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;\n        if (lastBoundary === useBoundary) {\n          // Merging with previous.\n          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;\n        } else {\n          changedHorizon.push({\n            start: horizonPart.start,\n            end: horizonPart.end,\n            boundary: useBoundary,\n          });\n          lastBoundary = useBoundary;\n        }\n      }\n      if (horizon[i].start < boundary.y1) {\n        changedHorizon[0].start = boundary.y1;\n        changedHorizon.unshift({\n          start: horizon[i].start,\n          end: boundary.y1,\n          boundary: horizon[i].boundary,\n        });\n      }\n      if (boundary.y2 < horizon[j].end) {\n        changedHorizon[changedHorizon.length - 1].end = boundary.y2;\n        changedHorizon.push({\n          start: boundary.y2,\n          end: horizon[j].end,\n          boundary: horizon[j].boundary,\n        });\n      }\n\n      // Set x2 new of boundary that is no longer visible (see overlapping case\n      // above).\n      // TODO more efficient, e.g. via reference counting.\n      for (q = i; q <= j; q++) {\n        horizonPart = horizon[q];\n        affectedBoundary = horizonPart.boundary;\n        if (affectedBoundary.x2New !== undefined) {\n          continue;\n        }\n        var used = false;\n        for (\n          k = i - 1;\n          !used && k >= 0 && horizon[k].start >= affectedBoundary.y1;\n          k--\n        ) {\n          used = horizon[k].boundary === affectedBoundary;\n        }\n        for (\n          k = j + 1;\n          !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2;\n          k++\n        ) {\n          used = horizon[k].boundary === affectedBoundary;\n        }\n        for (k = 0; !used && k < changedHorizon.length; k++) {\n          used = changedHorizon[k].boundary === affectedBoundary;\n        }\n        if (!used) {\n          affectedBoundary.x2New = maxXNew;\n        }\n      }\n\n      Array.prototype.splice.apply(\n        horizon,\n        [i, j - i + 1].concat(changedHorizon)\n      );\n    });\n\n    // Set new x2 for all unset boundaries.\n    horizon.forEach(function (horizonPart) {\n      var affectedBoundary = horizonPart.boundary;\n      if (affectedBoundary.x2New === undefined) {\n        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);\n      }\n    });\n  }\n\n  /**\n   * Text layer rendering task.\n   *\n   * @param {TextContent} textContent\n   * @param {HTMLElement} container\n   * @param {PageViewport} viewport\n   * @param {Array} textDivs\n   * @param {boolean} enhanceTextSelection\n   * @private\n   */\n  function TextLayerRenderTask({\n    textContent,\n    textContentStream,\n    container,\n    viewport,\n    textDivs,\n    textContentItemsStr,\n    enhanceTextSelection,\n  }) {\n    this._textContent = textContent;\n    this._textContentStream = textContentStream;\n    this._container = container;\n    this._document = container.ownerDocument;\n    this._viewport = viewport;\n    this._textDivs = textDivs || [];\n    this._textContentItemsStr = textContentItemsStr || [];\n    this._enhanceTextSelection = !!enhanceTextSelection;\n    this._fontInspectorEnabled = !!(\n      globalThis.FontInspector && globalThis.FontInspector.enabled\n    );\n\n    this._reader = null;\n    this._layoutTextLastFontSize = null;\n    this._layoutTextLastFontFamily = null;\n    this._layoutTextCtx = null;\n    this._textDivProperties = new WeakMap();\n    this._renderingDone = false;\n    this._canceled = false;\n    this._capability = createPromiseCapability();\n    this._renderTimer = null;\n    this._bounds = [];\n\n    // Always clean-up the temporary canvas once rendering is no longer pending.\n    this._capability.promise\n      .finally(() => {\n        if (this._layoutTextCtx) {\n          // Zeroing the width and height cause Firefox to release graphics\n          // resources immediately, which can greatly reduce memory consumption.\n          this._layoutTextCtx.canvas.width = 0;\n          this._layoutTextCtx.canvas.height = 0;\n          this._layoutTextCtx = null;\n        }\n      })\n      .catch(() => {\n        /* Avoid \"Uncaught promise\" messages in the console. */\n      });\n  }\n  TextLayerRenderTask.prototype = {\n    get promise() {\n      return this._capability.promise;\n    },\n\n    cancel: function TextLayer_cancel() {\n      this._canceled = true;\n      if (this._reader) {\n        this._reader.cancel(new AbortException(\"TextLayer task cancelled.\"));\n        this._reader = null;\n      }\n      if (this._renderTimer !== null) {\n        clearTimeout(this._renderTimer);\n        this._renderTimer = null;\n      }\n      this._capability.reject(new Error(\"TextLayer task cancelled.\"));\n    },\n\n    _processItems(items, styleCache) {\n      for (let i = 0, len = items.length; i < len; i++) {\n        this._textContentItemsStr.push(items[i].str);\n        appendText(this, items[i], styleCache);\n      }\n    },\n\n    _layoutText(textDiv) {\n      const textDivProperties = this._textDivProperties.get(textDiv);\n      if (textDivProperties.isWhitespace) {\n        return;\n      }\n\n      let transform = \"\";\n      if (textDivProperties.canvasWidth !== 0) {\n        const { fontSize, fontFamily } = textDiv.style;\n\n        // Only build font string and set to context if different from last.\n        if (\n          fontSize !== this._layoutTextLastFontSize ||\n          fontFamily !== this._layoutTextLastFontFamily\n        ) {\n          this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;\n          this._layoutTextLastFontSize = fontSize;\n          this._layoutTextLastFontFamily = fontFamily;\n        }\n        // Only measure the width for multi-char text divs, see `appendText`.\n        const { width } = this._layoutTextCtx.measureText(textDiv.textContent);\n\n        if (width > 0) {\n          textDivProperties.scale = textDivProperties.canvasWidth / width;\n          transform = `scaleX(${textDivProperties.scale})`;\n        }\n      }\n      if (textDivProperties.angle !== 0) {\n        transform = `rotate(${textDivProperties.angle}deg) ${transform}`;\n      }\n      if (transform.length > 0) {\n        if (this._enhanceTextSelection) {\n          textDivProperties.originalTransform = transform;\n        }\n        textDiv.style.transform = transform;\n      }\n      this._textDivProperties.set(textDiv, textDivProperties);\n      this._container.appendChild(textDiv);\n    },\n\n    _render: function TextLayer_render(timeout) {\n      const capability = createPromiseCapability();\n      let styleCache = Object.create(null);\n\n      // The temporary canvas is used to measure text length in the DOM.\n      const canvas = this._document.createElement(\"canvas\");\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"MOZCENTRAL || GENERIC\")\n      ) {\n        canvas.mozOpaque = true;\n      }\n      this._layoutTextCtx = canvas.getContext(\"2d\", { alpha: false });\n\n      if (this._textContent) {\n        const textItems = this._textContent.items;\n        const textStyles = this._textContent.styles;\n        this._processItems(textItems, textStyles);\n        capability.resolve();\n      } else if (this._textContentStream) {\n        const pump = () => {\n          this._reader.read().then(({ value, done }) => {\n            if (done) {\n              capability.resolve();\n              return;\n            }\n\n            Object.assign(styleCache, value.styles);\n            this._processItems(value.items, styleCache);\n            pump();\n          }, capability.reject);\n        };\n\n        this._reader = this._textContentStream.getReader();\n        pump();\n      } else {\n        throw new Error(\n          'Neither \"textContent\" nor \"textContentStream\"' +\n            \" parameters specified.\"\n        );\n      }\n\n      capability.promise.then(() => {\n        styleCache = null;\n        if (!timeout) {\n          // Render right away\n          render(this);\n        } else {\n          // Schedule\n          this._renderTimer = setTimeout(() => {\n            render(this);\n            this._renderTimer = null;\n          }, timeout);\n        }\n      }, this._capability.reject);\n    },\n\n    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {\n      if (!this._enhanceTextSelection || !this._renderingDone) {\n        return;\n      }\n      if (this._bounds !== null) {\n        expand(this);\n        this._bounds = null;\n      }\n      const transformBuf = [],\n        paddingBuf = [];\n\n      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {\n        const div = this._textDivs[i];\n        const divProps = this._textDivProperties.get(div);\n\n        if (divProps.isWhitespace) {\n          continue;\n        }\n        if (expandDivs) {\n          transformBuf.length = 0;\n          paddingBuf.length = 0;\n\n          if (divProps.originalTransform) {\n            transformBuf.push(divProps.originalTransform);\n          }\n          if (divProps.paddingTop > 0) {\n            paddingBuf.push(`${divProps.paddingTop}px`);\n            transformBuf.push(`translateY(${-divProps.paddingTop}px)`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingRight > 0) {\n            paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingBottom > 0) {\n            paddingBuf.push(`${divProps.paddingBottom}px`);\n          } else {\n            paddingBuf.push(0);\n          }\n          if (divProps.paddingLeft > 0) {\n            paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);\n            transformBuf.push(\n              `translateX(${-divProps.paddingLeft / divProps.scale}px)`\n            );\n          } else {\n            paddingBuf.push(0);\n          }\n\n          div.style.padding = paddingBuf.join(\" \");\n          if (transformBuf.length) {\n            div.style.transform = transformBuf.join(\" \");\n          }\n        } else {\n          div.style.padding = null;\n          div.style.transform = divProps.originalTransform;\n        }\n      }\n    },\n  };\n\n  // eslint-disable-next-line no-shadow\n  function renderTextLayer(renderParameters) {\n    var task = new TextLayerRenderTask({\n      textContent: renderParameters.textContent,\n      textContentStream: renderParameters.textContentStream,\n      container: renderParameters.container,\n      viewport: renderParameters.viewport,\n      textDivs: renderParameters.textDivs,\n      textContentItemsStr: renderParameters.textContentItemsStr,\n      enhanceTextSelection: renderParameters.enhanceTextSelection,\n    });\n    task._render(renderParameters.timeout);\n    return task;\n  }\n\n  return renderTextLayer;\n})();\n\nexport { renderTextLayer };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n/* eslint no-var: error */\n\nimport {\n  createObjectURL,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  ImageKind,\n  isNum,\n  OPS,\n  TextRenderingMode,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { DOMSVGFactory } from \"./display_utils.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\n\n/** @type {any} */\nlet SVGGraphics = function () {\n  throw new Error(\"Not implemented: SVGGraphics\");\n};\n\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  const SVG_DEFAULTS = {\n    fontStyle: \"normal\",\n    fontWeight: \"normal\",\n    fillColor: \"#000000\",\n  };\n  const XML_NS = \"http://www.w3.org/XML/1998/namespace\";\n  const XLINK_NS = \"http://www.w3.org/1999/xlink\";\n  const LINE_CAP_STYLES = [\"butt\", \"round\", \"square\"];\n  const LINE_JOIN_STYLES = [\"miter\", \"round\", \"bevel\"];\n\n  const convertImgDataToPng = (function () {\n    const PNG_HEADER = new Uint8Array([\n      0x89,\n      0x50,\n      0x4e,\n      0x47,\n      0x0d,\n      0x0a,\n      0x1a,\n      0x0a,\n    ]);\n    const CHUNK_WRAPPER_SIZE = 12;\n\n    const crcTable = new Int32Array(256);\n    for (let i = 0; i < 256; i++) {\n      let c = i;\n      for (let h = 0; h < 8; h++) {\n        if (c & 1) {\n          c = 0xedb88320 ^ ((c >> 1) & 0x7fffffff);\n        } else {\n          c = (c >> 1) & 0x7fffffff;\n        }\n      }\n      crcTable[i] = c;\n    }\n\n    function crc32(data, start, end) {\n      let crc = -1;\n      for (let i = start; i < end; i++) {\n        const a = (crc ^ data[i]) & 0xff;\n        const b = crcTable[a];\n        crc = (crc >>> 8) ^ b;\n      }\n      return crc ^ -1;\n    }\n\n    function writePngChunk(type, body, data, offset) {\n      let p = offset;\n      const len = body.length;\n\n      data[p] = (len >> 24) & 0xff;\n      data[p + 1] = (len >> 16) & 0xff;\n      data[p + 2] = (len >> 8) & 0xff;\n      data[p + 3] = len & 0xff;\n      p += 4;\n\n      data[p] = type.charCodeAt(0) & 0xff;\n      data[p + 1] = type.charCodeAt(1) & 0xff;\n      data[p + 2] = type.charCodeAt(2) & 0xff;\n      data[p + 3] = type.charCodeAt(3) & 0xff;\n      p += 4;\n\n      data.set(body, p);\n      p += body.length;\n\n      const crc = crc32(data, offset + 4, p);\n      data[p] = (crc >> 24) & 0xff;\n      data[p + 1] = (crc >> 16) & 0xff;\n      data[p + 2] = (crc >> 8) & 0xff;\n      data[p + 3] = crc & 0xff;\n    }\n\n    function adler32(data, start, end) {\n      let a = 1;\n      let b = 0;\n      for (let i = start; i < end; ++i) {\n        a = (a + (data[i] & 0xff)) % 65521;\n        b = (b + a) % 65521;\n      }\n      return (b << 16) | a;\n    }\n\n    /**\n     * @param {Uint8Array} literals The input data.\n     * @returns {Uint8Array} The DEFLATE-compressed data stream in zlib format.\n     *   This is the required format for compressed streams in the PNG format:\n     *   http://www.libpng.org/pub/png/spec/1.2/PNG-Compression.html\n     */\n    function deflateSync(literals) {\n      if (!isNodeJS) {\n        // zlib is certainly not available outside of Node.js. We can either use\n        // the pako library for client-side DEFLATE compression, or use the\n        // canvas API of the browser to obtain a more optimal PNG file.\n        return deflateSyncUncompressed(literals);\n      }\n      try {\n        // NOTE: This implementation is far from perfect, but already way better\n        // than not applying any compression.\n        //\n        // A better algorithm will try to choose a good predictor/filter and\n        // then choose a suitable zlib compression strategy (e.g. 3,Z_RLE).\n        //\n        // Node v0.11.12 zlib.deflateSync is introduced (and returns a Buffer).\n        // Node v3.0.0   Buffer inherits from Uint8Array.\n        // Node v8.0.0   zlib.deflateSync accepts Uint8Array as input.\n        let input;\n        // eslint-disable-next-line no-undef\n        if (parseInt(process.versions.node) >= 8) {\n          input = literals;\n        } else {\n          // eslint-disable-next-line no-undef\n          input = Buffer.from(literals);\n        }\n        const output = __non_webpack_require__(\"zlib\").deflateSync(input, {\n          level: 9,\n        });\n        return output instanceof Uint8Array ? output : new Uint8Array(output);\n      } catch (e) {\n        warn(\n          \"Not compressing PNG because zlib.deflateSync is unavailable: \" + e\n        );\n      }\n\n      return deflateSyncUncompressed(literals);\n    }\n\n    // An implementation of DEFLATE with compression level 0 (Z_NO_COMPRESSION).\n    function deflateSyncUncompressed(literals) {\n      let len = literals.length;\n      const maxBlockLength = 0xffff;\n\n      const deflateBlocks = Math.ceil(len / maxBlockLength);\n      const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);\n      let pi = 0;\n      idat[pi++] = 0x78; // compression method and flags\n      idat[pi++] = 0x9c; // flags\n\n      let pos = 0;\n      while (len > maxBlockLength) {\n        // writing non-final DEFLATE blocks type 0 and length of 65535\n        idat[pi++] = 0x00;\n        idat[pi++] = 0xff;\n        idat[pi++] = 0xff;\n        idat[pi++] = 0x00;\n        idat[pi++] = 0x00;\n        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);\n        pi += maxBlockLength;\n        pos += maxBlockLength;\n        len -= maxBlockLength;\n      }\n\n      // writing non-final DEFLATE blocks type 0\n      idat[pi++] = 0x01;\n      idat[pi++] = len & 0xff;\n      idat[pi++] = (len >> 8) & 0xff;\n      idat[pi++] = ~len & 0xffff & 0xff;\n      idat[pi++] = ((~len & 0xffff) >> 8) & 0xff;\n      idat.set(literals.subarray(pos), pi);\n      pi += literals.length - pos;\n\n      const adler = adler32(literals, 0, literals.length); // checksum\n      idat[pi++] = (adler >> 24) & 0xff;\n      idat[pi++] = (adler >> 16) & 0xff;\n      idat[pi++] = (adler >> 8) & 0xff;\n      idat[pi++] = adler & 0xff;\n      return idat;\n    }\n\n    function encode(imgData, kind, forceDataSchema, isMask) {\n      const width = imgData.width;\n      const height = imgData.height;\n      let bitDepth, colorType, lineSize;\n      const bytes = imgData.data;\n\n      switch (kind) {\n        case ImageKind.GRAYSCALE_1BPP:\n          colorType = 0;\n          bitDepth = 1;\n          lineSize = (width + 7) >> 3;\n          break;\n        case ImageKind.RGB_24BPP:\n          colorType = 2;\n          bitDepth = 8;\n          lineSize = width * 3;\n          break;\n        case ImageKind.RGBA_32BPP:\n          colorType = 6;\n          bitDepth = 8;\n          lineSize = width * 4;\n          break;\n        default:\n          throw new Error(\"invalid format\");\n      }\n\n      // prefix every row with predictor 0\n      const literals = new Uint8Array((1 + lineSize) * height);\n      let offsetLiterals = 0,\n        offsetBytes = 0;\n      for (let y = 0; y < height; ++y) {\n        literals[offsetLiterals++] = 0; // no prediction\n        literals.set(\n          bytes.subarray(offsetBytes, offsetBytes + lineSize),\n          offsetLiterals\n        );\n        offsetBytes += lineSize;\n        offsetLiterals += lineSize;\n      }\n\n      if (kind === ImageKind.GRAYSCALE_1BPP && isMask) {\n        // inverting for image masks\n        offsetLiterals = 0;\n        for (let y = 0; y < height; y++) {\n          offsetLiterals++; // skipping predictor\n          for (let i = 0; i < lineSize; i++) {\n            literals[offsetLiterals++] ^= 0xff;\n          }\n        }\n      }\n\n      const ihdr = new Uint8Array([\n        (width >> 24) & 0xff,\n        (width >> 16) & 0xff,\n        (width >> 8) & 0xff,\n        width & 0xff,\n        (height >> 24) & 0xff,\n        (height >> 16) & 0xff,\n        (height >> 8) & 0xff,\n        height & 0xff,\n        bitDepth, // bit depth\n        colorType, // color type\n        0x00, // compression method\n        0x00, // filter method\n        0x00, // interlace method\n      ]);\n      const idat = deflateSync(literals);\n\n      // PNG consists of: header, IHDR+data, IDAT+data, and IEND.\n      const pngLength =\n        PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;\n      const data = new Uint8Array(pngLength);\n      let offset = 0;\n      data.set(PNG_HEADER, offset);\n      offset += PNG_HEADER.length;\n      writePngChunk(\"IHDR\", ihdr, data, offset);\n      offset += CHUNK_WRAPPER_SIZE + ihdr.length;\n      writePngChunk(\"IDATA\", idat, data, offset);\n      offset += CHUNK_WRAPPER_SIZE + idat.length;\n      writePngChunk(\"IEND\", new Uint8Array(0), data, offset);\n\n      return createObjectURL(data, \"image/png\", forceDataSchema);\n    }\n\n    // eslint-disable-next-line no-shadow\n    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {\n      const kind =\n        imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;\n      return encode(imgData, kind, forceDataSchema, isMask);\n    };\n  })();\n\n  class SVGExtraState {\n    constructor() {\n      this.fontSizeScale = 1;\n      this.fontWeight = SVG_DEFAULTS.fontWeight;\n      this.fontSize = 0;\n\n      this.textMatrix = IDENTITY_MATRIX;\n      this.fontMatrix = FONT_IDENTITY_MATRIX;\n      this.leading = 0;\n      this.textRenderingMode = TextRenderingMode.FILL;\n      this.textMatrixScale = 1;\n\n      // Current point (in user coordinates)\n      this.x = 0;\n      this.y = 0;\n\n      // Start of text line (in text coordinates)\n      this.lineX = 0;\n      this.lineY = 0;\n\n      // Character and word spacing\n      this.charSpacing = 0;\n      this.wordSpacing = 0;\n      this.textHScale = 1;\n      this.textRise = 0;\n\n      // Default foreground and background colors\n      this.fillColor = SVG_DEFAULTS.fillColor;\n      this.strokeColor = \"#000000\";\n\n      this.fillAlpha = 1;\n      this.strokeAlpha = 1;\n      this.lineWidth = 1;\n      this.lineJoin = \"\";\n      this.lineCap = \"\";\n      this.miterLimit = 0;\n\n      this.dashArray = [];\n      this.dashPhase = 0;\n\n      this.dependencies = [];\n\n      // Clipping\n      this.activeClipUrl = null;\n      this.clipGroup = null;\n\n      this.maskId = \"\";\n    }\n\n    clone() {\n      return Object.create(this);\n    }\n\n    setCurrentPoint(x, y) {\n      this.x = x;\n      this.y = y;\n    }\n  }\n\n  // eslint-disable-next-line no-inner-declarations\n  function opListToTree(opList) {\n    let opTree = [];\n    const tmp = [];\n\n    for (const opListElement of opList) {\n      if (opListElement.fn === \"save\") {\n        opTree.push({ fnId: 92, fn: \"group\", items: [] });\n        tmp.push(opTree);\n        opTree = opTree[opTree.length - 1].items;\n        continue;\n      }\n\n      if (opListElement.fn === \"restore\") {\n        opTree = tmp.pop();\n      } else {\n        opTree.push(opListElement);\n      }\n    }\n    return opTree;\n  }\n\n  /**\n   * Format a float number as a string.\n   *\n   * @param value {number} - The float number to format.\n   * @returns {string}\n   */\n  // eslint-disable-next-line no-inner-declarations\n  function pf(value) {\n    if (Number.isInteger(value)) {\n      return value.toString();\n    }\n    const s = value.toFixed(10);\n    let i = s.length - 1;\n    if (s[i] !== \"0\") {\n      return s;\n    }\n\n    // Remove trailing zeros.\n    do {\n      i--;\n    } while (s[i] === \"0\");\n    return s.substring(0, s[i] === \".\" ? i : i + 1);\n  }\n\n  /**\n   * Format a transform matrix as a string. The standard rotation, scale and\n   * translation matrices are replaced by their shorter forms, and for\n   * identity matrices an empty string is returned to save memory.\n   *\n   * @param m {Array} - The transform matrix to format.\n   * @returns {string}\n   */\n  // eslint-disable-next-line no-inner-declarations\n  function pm(m) {\n    if (m[4] === 0 && m[5] === 0) {\n      if (m[1] === 0 && m[2] === 0) {\n        if (m[0] === 1 && m[3] === 1) {\n          return \"\";\n        }\n        return `scale(${pf(m[0])} ${pf(m[3])})`;\n      }\n      if (m[0] === m[3] && m[1] === -m[2]) {\n        const a = (Math.acos(m[0]) * 180) / Math.PI;\n        return `rotate(${pf(a)})`;\n      }\n    } else {\n      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {\n        return `translate(${pf(m[4])} ${pf(m[5])})`;\n      }\n    }\n    return (\n      `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` +\n      `${pf(m[5])})`\n    );\n  }\n\n  // The counts below are relevant for all pages, so they have to be global\n  // instead of being members of `SVGGraphics` (which is recreated for\n  // each page).\n  let clipCount = 0;\n  let maskCount = 0;\n  let shadingCount = 0;\n\n  // eslint-disable-next-line no-shadow\n  SVGGraphics = class SVGGraphics {\n    constructor(commonObjs, objs, forceDataSchema = false) {\n      this.svgFactory = new DOMSVGFactory();\n\n      this.current = new SVGExtraState();\n      this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix\n      this.transformStack = [];\n      this.extraStack = [];\n      this.commonObjs = commonObjs;\n      this.objs = objs;\n      this.pendingClip = null;\n      this.pendingEOFill = false;\n\n      this.embedFonts = false;\n      this.embeddedFonts = Object.create(null);\n      this.cssStyle = null;\n      this.forceDataSchema = !!forceDataSchema;\n\n      // In `src/shared/util.js` the operator names are mapped to IDs.\n      // The list below represents the reverse of that, i.e., it maps IDs\n      // to operator names.\n      this._operatorIdMapping = [];\n      for (const op in OPS) {\n        this._operatorIdMapping[OPS[op]] = op;\n      }\n    }\n\n    save() {\n      this.transformStack.push(this.transformMatrix);\n      const old = this.current;\n      this.extraStack.push(old);\n      this.current = old.clone();\n    }\n\n    restore() {\n      this.transformMatrix = this.transformStack.pop();\n      this.current = this.extraStack.pop();\n      this.pendingClip = null;\n      this.tgrp = null;\n    }\n\n    group(items) {\n      this.save();\n      this.executeOpTree(items);\n      this.restore();\n    }\n\n    loadDependencies(operatorList) {\n      const fnArray = operatorList.fnArray;\n      const argsArray = operatorList.argsArray;\n\n      for (let i = 0, ii = fnArray.length; i < ii; i++) {\n        if (fnArray[i] !== OPS.dependency) {\n          continue;\n        }\n\n        for (const obj of argsArray[i]) {\n          const objsPool = obj.startsWith(\"g_\") ? this.commonObjs : this.objs;\n          const promise = new Promise(resolve => {\n            objsPool.get(obj, resolve);\n          });\n          this.current.dependencies.push(promise);\n        }\n      }\n      return Promise.all(this.current.dependencies);\n    }\n\n    transform(a, b, c, d, e, f) {\n      const transformMatrix = [a, b, c, d, e, f];\n      this.transformMatrix = Util.transform(\n        this.transformMatrix,\n        transformMatrix\n      );\n      this.tgrp = null;\n    }\n\n    getSVG(operatorList, viewport) {\n      this.viewport = viewport;\n\n      const svgElement = this._initialize(viewport);\n      return this.loadDependencies(operatorList).then(() => {\n        this.transformMatrix = IDENTITY_MATRIX;\n        this.executeOpTree(this.convertOpList(operatorList));\n        return svgElement;\n      });\n    }\n\n    convertOpList(operatorList) {\n      const operatorIdMapping = this._operatorIdMapping;\n      const argsArray = operatorList.argsArray;\n      const fnArray = operatorList.fnArray;\n      const opList = [];\n      for (let i = 0, ii = fnArray.length; i < ii; i++) {\n        const fnId = fnArray[i];\n        opList.push({\n          fnId,\n          fn: operatorIdMapping[fnId],\n          args: argsArray[i],\n        });\n      }\n      return opListToTree(opList);\n    }\n\n    executeOpTree(opTree) {\n      for (const opTreeElement of opTree) {\n        const fn = opTreeElement.fn;\n        const fnId = opTreeElement.fnId;\n        const args = opTreeElement.args;\n\n        switch (fnId | 0) {\n          case OPS.beginText:\n            this.beginText();\n            break;\n          case OPS.dependency:\n            // Handled in `loadDependencies`, so no warning should be shown.\n            break;\n          case OPS.setLeading:\n            this.setLeading(args);\n            break;\n          case OPS.setLeadingMoveText:\n            this.setLeadingMoveText(args[0], args[1]);\n            break;\n          case OPS.setFont:\n            this.setFont(args);\n            break;\n          case OPS.showText:\n            this.showText(args[0]);\n            break;\n          case OPS.showSpacedText:\n            this.showText(args[0]);\n            break;\n          case OPS.endText:\n            this.endText();\n            break;\n          case OPS.moveText:\n            this.moveText(args[0], args[1]);\n            break;\n          case OPS.setCharSpacing:\n            this.setCharSpacing(args[0]);\n            break;\n          case OPS.setWordSpacing:\n            this.setWordSpacing(args[0]);\n            break;\n          case OPS.setHScale:\n            this.setHScale(args[0]);\n            break;\n          case OPS.setTextMatrix:\n            this.setTextMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.setTextRise:\n            this.setTextRise(args[0]);\n            break;\n          case OPS.setTextRenderingMode:\n            this.setTextRenderingMode(args[0]);\n            break;\n          case OPS.setLineWidth:\n            this.setLineWidth(args[0]);\n            break;\n          case OPS.setLineJoin:\n            this.setLineJoin(args[0]);\n            break;\n          case OPS.setLineCap:\n            this.setLineCap(args[0]);\n            break;\n          case OPS.setMiterLimit:\n            this.setMiterLimit(args[0]);\n            break;\n          case OPS.setFillRGBColor:\n            this.setFillRGBColor(args[0], args[1], args[2]);\n            break;\n          case OPS.setStrokeRGBColor:\n            this.setStrokeRGBColor(args[0], args[1], args[2]);\n            break;\n          case OPS.setStrokeColorN:\n            this.setStrokeColorN(args);\n            break;\n          case OPS.setFillColorN:\n            this.setFillColorN(args);\n            break;\n          case OPS.shadingFill:\n            this.shadingFill(args[0]);\n            break;\n          case OPS.setDash:\n            this.setDash(args[0], args[1]);\n            break;\n          case OPS.setRenderingIntent:\n            this.setRenderingIntent(args[0]);\n            break;\n          case OPS.setFlatness:\n            this.setFlatness(args[0]);\n            break;\n          case OPS.setGState:\n            this.setGState(args[0]);\n            break;\n          case OPS.fill:\n            this.fill();\n            break;\n          case OPS.eoFill:\n            this.eoFill();\n            break;\n          case OPS.stroke:\n            this.stroke();\n            break;\n          case OPS.fillStroke:\n            this.fillStroke();\n            break;\n          case OPS.eoFillStroke:\n            this.eoFillStroke();\n            break;\n          case OPS.clip:\n            this.clip(\"nonzero\");\n            break;\n          case OPS.eoClip:\n            this.clip(\"evenodd\");\n            break;\n          case OPS.paintSolidColorImageMask:\n            this.paintSolidColorImageMask();\n            break;\n          case OPS.paintImageXObject:\n            this.paintImageXObject(args[0]);\n            break;\n          case OPS.paintInlineImageXObject:\n            this.paintInlineImageXObject(args[0]);\n            break;\n          case OPS.paintImageMaskXObject:\n            this.paintImageMaskXObject(args[0]);\n            break;\n          case OPS.paintFormXObjectBegin:\n            this.paintFormXObjectBegin(args[0], args[1]);\n            break;\n          case OPS.paintFormXObjectEnd:\n            this.paintFormXObjectEnd();\n            break;\n          case OPS.closePath:\n            this.closePath();\n            break;\n          case OPS.closeStroke:\n            this.closeStroke();\n            break;\n          case OPS.closeFillStroke:\n            this.closeFillStroke();\n            break;\n          case OPS.closeEOFillStroke:\n            this.closeEOFillStroke();\n            break;\n          case OPS.nextLine:\n            this.nextLine();\n            break;\n          case OPS.transform:\n            this.transform(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.constructPath:\n            this.constructPath(args[0], args[1]);\n            break;\n          case OPS.endPath:\n            this.endPath();\n            break;\n          case 92:\n            this.group(opTreeElement.items);\n            break;\n          default:\n            warn(`Unimplemented operator ${fn}`);\n            break;\n        }\n      }\n    }\n\n    setWordSpacing(wordSpacing) {\n      this.current.wordSpacing = wordSpacing;\n    }\n\n    setCharSpacing(charSpacing) {\n      this.current.charSpacing = charSpacing;\n    }\n\n    nextLine() {\n      this.moveText(0, this.current.leading);\n    }\n\n    setTextMatrix(a, b, c, d, e, f) {\n      const current = this.current;\n      current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];\n      current.textMatrixScale = Math.sqrt(a * a + b * b);\n\n      current.x = current.lineX = 0;\n      current.y = current.lineY = 0;\n\n      current.xcoords = [];\n      current.ycoords = [];\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n\n      current.txtElement = this.svgFactory.createElement(\"svg:text\");\n      current.txtElement.appendChild(current.tspan);\n    }\n\n    beginText() {\n      const current = this.current;\n      current.x = current.lineX = 0;\n      current.y = current.lineY = 0;\n      current.textMatrix = IDENTITY_MATRIX;\n      current.lineMatrix = IDENTITY_MATRIX;\n      current.textMatrixScale = 1;\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.txtElement = this.svgFactory.createElement(\"svg:text\");\n      current.txtgrp = this.svgFactory.createElement(\"svg:g\");\n      current.xcoords = [];\n      current.ycoords = [];\n    }\n\n    moveText(x, y) {\n      const current = this.current;\n      current.x = current.lineX += x;\n      current.y = current.lineY += y;\n\n      current.xcoords = [];\n      current.ycoords = [];\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n    }\n\n    showText(glyphs) {\n      const current = this.current;\n      const font = current.font;\n      const fontSize = current.fontSize;\n      if (fontSize === 0) {\n        return;\n      }\n\n      const fontSizeScale = current.fontSizeScale;\n      const charSpacing = current.charSpacing;\n      const wordSpacing = current.wordSpacing;\n      const fontDirection = current.fontDirection;\n      const textHScale = current.textHScale * fontDirection;\n      const vertical = font.vertical;\n      const spacingDir = vertical ? 1 : -1;\n      const defaultVMetrics = font.defaultVMetrics;\n      const widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n      let x = 0;\n      for (const glyph of glyphs) {\n        if (glyph === null) {\n          // Word break\n          x += fontDirection * wordSpacing;\n          continue;\n        } else if (isNum(glyph)) {\n          x += (spacingDir * glyph * fontSize) / 1000;\n          continue;\n        }\n\n        const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n        const character = glyph.fontChar;\n        let scaledX, scaledY;\n        let width = glyph.width;\n        if (vertical) {\n          let vx;\n          const vmetric = glyph.vmetric || defaultVMetrics;\n          vx = glyph.vmetric ? vmetric[1] : width * 0.5;\n          vx = -vx * widthAdvanceScale;\n          const vy = vmetric[2] * widthAdvanceScale;\n\n          width = vmetric ? -vmetric[0] : width;\n          scaledX = vx / fontSizeScale;\n          scaledY = (x + vy) / fontSizeScale;\n        } else {\n          scaledX = x / fontSizeScale;\n          scaledY = 0;\n        }\n\n        if (glyph.isInFont || font.missingFile) {\n          current.xcoords.push(current.x + scaledX);\n          if (vertical) {\n            current.ycoords.push(-current.y + scaledY);\n          }\n          current.tspan.textContent += character;\n        } else {\n          // TODO: To assist with text selection, we should replace the missing\n          // character with a space character if charWidth is not zero.\n          // But we cannot just do \"character = ' '\", because the ' ' character\n          // might actually map to a different glyph.\n        }\n\n        let charWidth;\n        if (vertical) {\n          charWidth = width * widthAdvanceScale - spacing * fontDirection;\n        } else {\n          charWidth = width * widthAdvanceScale + spacing * fontDirection;\n        }\n\n        x += charWidth;\n      }\n      current.tspan.setAttributeNS(\n        null,\n        \"x\",\n        current.xcoords.map(pf).join(\" \")\n      );\n      if (vertical) {\n        current.tspan.setAttributeNS(\n          null,\n          \"y\",\n          current.ycoords.map(pf).join(\" \")\n        );\n      } else {\n        current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n      }\n\n      if (vertical) {\n        current.y -= x;\n      } else {\n        current.x += x * textHScale;\n      }\n\n      current.tspan.setAttributeNS(null, \"font-family\", current.fontFamily);\n      current.tspan.setAttributeNS(\n        null,\n        \"font-size\",\n        `${pf(current.fontSize)}px`\n      );\n      if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {\n        current.tspan.setAttributeNS(null, \"font-style\", current.fontStyle);\n      }\n      if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {\n        current.tspan.setAttributeNS(null, \"font-weight\", current.fontWeight);\n      }\n\n      const fillStrokeMode =\n        current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;\n      if (\n        fillStrokeMode === TextRenderingMode.FILL ||\n        fillStrokeMode === TextRenderingMode.FILL_STROKE\n      ) {\n        if (current.fillColor !== SVG_DEFAULTS.fillColor) {\n          current.tspan.setAttributeNS(null, \"fill\", current.fillColor);\n        }\n        if (current.fillAlpha < 1) {\n          current.tspan.setAttributeNS(null, \"fill-opacity\", current.fillAlpha);\n        }\n      } else if (current.textRenderingMode === TextRenderingMode.ADD_TO_PATH) {\n        // Workaround for Firefox: We must set fill=\"transparent\" because\n        // fill=\"none\" would generate an empty clipping path.\n        current.tspan.setAttributeNS(null, \"fill\", \"transparent\");\n      } else {\n        current.tspan.setAttributeNS(null, \"fill\", \"none\");\n      }\n\n      if (\n        fillStrokeMode === TextRenderingMode.STROKE ||\n        fillStrokeMode === TextRenderingMode.FILL_STROKE\n      ) {\n        const lineWidthScale = 1 / (current.textMatrixScale || 1);\n        this._setStrokeAttributes(current.tspan, lineWidthScale);\n      }\n\n      // Include the text rise in the text matrix since the `pm` function\n      // creates the SVG element's `translate` entry (work on a copy to avoid\n      // altering the original text matrix).\n      let textMatrix = current.textMatrix;\n      if (current.textRise !== 0) {\n        textMatrix = textMatrix.slice();\n        textMatrix[5] += current.textRise;\n      }\n\n      current.txtElement.setAttributeNS(\n        null,\n        \"transform\",\n        `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`\n      );\n      current.txtElement.setAttributeNS(XML_NS, \"xml:space\", \"preserve\");\n      current.txtElement.appendChild(current.tspan);\n      current.txtgrp.appendChild(current.txtElement);\n\n      this._ensureTransformGroup().appendChild(current.txtElement);\n    }\n\n    setLeadingMoveText(x, y) {\n      this.setLeading(-y);\n      this.moveText(x, y);\n    }\n\n    addFontStyle(fontObj) {\n      if (!fontObj.data) {\n        throw new Error(\n          \"addFontStyle: No font data available, \" +\n            'ensure that the \"fontExtraProperties\" API parameter is set.'\n        );\n      }\n      if (!this.cssStyle) {\n        this.cssStyle = this.svgFactory.createElement(\"svg:style\");\n        this.cssStyle.setAttributeNS(null, \"type\", \"text/css\");\n        this.defs.appendChild(this.cssStyle);\n      }\n\n      const url = createObjectURL(\n        fontObj.data,\n        fontObj.mimetype,\n        this.forceDataSchema\n      );\n      this.cssStyle.textContent +=\n        `@font-face { font-family: \"${fontObj.loadedName}\";` +\n        ` src: url(${url}); }\\n`;\n    }\n\n    setFont(details) {\n      const current = this.current;\n      const fontObj = this.commonObjs.get(details[0]);\n      let size = details[1];\n      current.font = fontObj;\n\n      if (\n        this.embedFonts &&\n        !fontObj.missingFile &&\n        !this.embeddedFonts[fontObj.loadedName]\n      ) {\n        this.addFontStyle(fontObj);\n        this.embeddedFonts[fontObj.loadedName] = fontObj;\n      }\n\n      current.fontMatrix = fontObj.fontMatrix\n        ? fontObj.fontMatrix\n        : FONT_IDENTITY_MATRIX;\n\n      let bold = \"normal\";\n      if (fontObj.black) {\n        bold = \"900\";\n      } else if (fontObj.bold) {\n        bold = \"bold\";\n      }\n      const italic = fontObj.italic ? \"italic\" : \"normal\";\n\n      if (size < 0) {\n        size = -size;\n        current.fontDirection = -1;\n      } else {\n        current.fontDirection = 1;\n      }\n      current.fontSize = size;\n      current.fontFamily = fontObj.loadedName;\n      current.fontWeight = bold;\n      current.fontStyle = italic;\n\n      current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      current.tspan.setAttributeNS(null, \"y\", pf(-current.y));\n      current.xcoords = [];\n      current.ycoords = [];\n    }\n\n    endText() {\n      const current = this.current;\n      if (\n        current.textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG &&\n        current.txtElement &&\n        current.txtElement.hasChildNodes()\n      ) {\n        // If no glyphs are shown (i.e. no child nodes), no clipping occurs.\n        current.element = current.txtElement;\n        this.clip(\"nonzero\");\n        this.endPath();\n      }\n    }\n\n    // Path properties\n    setLineWidth(width) {\n      if (width > 0) {\n        this.current.lineWidth = width;\n      }\n    }\n\n    setLineCap(style) {\n      this.current.lineCap = LINE_CAP_STYLES[style];\n    }\n\n    setLineJoin(style) {\n      this.current.lineJoin = LINE_JOIN_STYLES[style];\n    }\n\n    setMiterLimit(limit) {\n      this.current.miterLimit = limit;\n    }\n\n    setStrokeAlpha(strokeAlpha) {\n      this.current.strokeAlpha = strokeAlpha;\n    }\n\n    setStrokeRGBColor(r, g, b) {\n      this.current.strokeColor = Util.makeCssRgb(r, g, b);\n    }\n\n    setFillAlpha(fillAlpha) {\n      this.current.fillAlpha = fillAlpha;\n    }\n\n    setFillRGBColor(r, g, b) {\n      this.current.fillColor = Util.makeCssRgb(r, g, b);\n      this.current.tspan = this.svgFactory.createElement(\"svg:tspan\");\n      this.current.xcoords = [];\n      this.current.ycoords = [];\n    }\n\n    setStrokeColorN(args) {\n      this.current.strokeColor = this._makeColorN_Pattern(args);\n    }\n\n    setFillColorN(args) {\n      this.current.fillColor = this._makeColorN_Pattern(args);\n    }\n\n    shadingFill(args) {\n      const width = this.viewport.width;\n      const height = this.viewport.height;\n      const inv = Util.inverseTransform(this.transformMatrix);\n      const bl = Util.applyTransform([0, 0], inv);\n      const br = Util.applyTransform([0, height], inv);\n      const ul = Util.applyTransform([width, 0], inv);\n      const ur = Util.applyTransform([width, height], inv);\n      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);\n      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);\n      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);\n      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);\n\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", x0);\n      rect.setAttributeNS(null, \"y\", y0);\n      rect.setAttributeNS(null, \"width\", x1 - x0);\n      rect.setAttributeNS(null, \"height\", y1 - y0);\n      rect.setAttributeNS(null, \"fill\", this._makeShadingPattern(args));\n      if (this.current.fillAlpha < 1) {\n        rect.setAttributeNS(null, \"fill-opacity\", this.current.fillAlpha);\n      }\n      this._ensureTransformGroup().appendChild(rect);\n    }\n\n    /**\n     * @private\n     */\n    _makeColorN_Pattern(args) {\n      if (args[0] === \"TilingPattern\") {\n        return this._makeTilingPattern(args);\n      }\n      return this._makeShadingPattern(args);\n    }\n\n    /**\n     * @private\n     */\n    _makeTilingPattern(args) {\n      const color = args[1];\n      const operatorList = args[2];\n      const matrix = args[3] || IDENTITY_MATRIX;\n      const [x0, y0, x1, y1] = args[4];\n      const xstep = args[5];\n      const ystep = args[6];\n      const paintType = args[7];\n\n      const tilingId = `shading${shadingCount++}`;\n      const [tx0, ty0] = Util.applyTransform([x0, y0], matrix);\n      const [tx1, ty1] = Util.applyTransform([x1, y1], matrix);\n      const [xscale, yscale] = Util.singularValueDecompose2dScale(matrix);\n      const txstep = xstep * xscale;\n      const tystep = ystep * yscale;\n\n      const tiling = this.svgFactory.createElement(\"svg:pattern\");\n      tiling.setAttributeNS(null, \"id\", tilingId);\n      tiling.setAttributeNS(null, \"patternUnits\", \"userSpaceOnUse\");\n      tiling.setAttributeNS(null, \"width\", txstep);\n      tiling.setAttributeNS(null, \"height\", tystep);\n      tiling.setAttributeNS(null, \"x\", `${tx0}`);\n      tiling.setAttributeNS(null, \"y\", `${ty0}`);\n\n      // Save current state.\n      const svg = this.svg;\n      const transformMatrix = this.transformMatrix;\n      const fillColor = this.current.fillColor;\n      const strokeColor = this.current.strokeColor;\n\n      const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);\n      this.svg = bbox;\n      this.transformMatrix = matrix;\n      if (paintType === 2) {\n        const cssColor = Util.makeCssRgb(...color);\n        this.current.fillColor = cssColor;\n        this.current.strokeColor = cssColor;\n      }\n      this.executeOpTree(this.convertOpList(operatorList));\n\n      // Restore saved state.\n      this.svg = svg;\n      this.transformMatrix = transformMatrix;\n      this.current.fillColor = fillColor;\n      this.current.strokeColor = strokeColor;\n\n      tiling.appendChild(bbox.childNodes[0]);\n      this.defs.appendChild(tiling);\n      return `url(#${tilingId})`;\n    }\n\n    /**\n     * @private\n     */\n    _makeShadingPattern(args) {\n      switch (args[0]) {\n        case \"RadialAxial\":\n          const shadingId = `shading${shadingCount++}`;\n          const colorStops = args[3];\n          let gradient;\n\n          switch (args[1]) {\n            case \"axial\":\n              const point0 = args[4];\n              const point1 = args[5];\n              gradient = this.svgFactory.createElement(\"svg:linearGradient\");\n              gradient.setAttributeNS(null, \"id\", shadingId);\n              gradient.setAttributeNS(null, \"gradientUnits\", \"userSpaceOnUse\");\n              gradient.setAttributeNS(null, \"x1\", point0[0]);\n              gradient.setAttributeNS(null, \"y1\", point0[1]);\n              gradient.setAttributeNS(null, \"x2\", point1[0]);\n              gradient.setAttributeNS(null, \"y2\", point1[1]);\n              break;\n            case \"radial\":\n              const focalPoint = args[4];\n              const circlePoint = args[5];\n              const focalRadius = args[6];\n              const circleRadius = args[7];\n              gradient = this.svgFactory.createElement(\"svg:radialGradient\");\n              gradient.setAttributeNS(null, \"id\", shadingId);\n              gradient.setAttributeNS(null, \"gradientUnits\", \"userSpaceOnUse\");\n              gradient.setAttributeNS(null, \"cx\", circlePoint[0]);\n              gradient.setAttributeNS(null, \"cy\", circlePoint[1]);\n              gradient.setAttributeNS(null, \"r\", circleRadius);\n              gradient.setAttributeNS(null, \"fx\", focalPoint[0]);\n              gradient.setAttributeNS(null, \"fy\", focalPoint[1]);\n              gradient.setAttributeNS(null, \"fr\", focalRadius);\n              break;\n            default:\n              throw new Error(`Unknown RadialAxial type: ${args[1]}`);\n          }\n          for (const colorStop of colorStops) {\n            const stop = this.svgFactory.createElement(\"svg:stop\");\n            stop.setAttributeNS(null, \"offset\", colorStop[0]);\n            stop.setAttributeNS(null, \"stop-color\", colorStop[1]);\n            gradient.appendChild(stop);\n          }\n          this.defs.appendChild(gradient);\n          return `url(#${shadingId})`;\n        case \"Mesh\":\n          warn(\"Unimplemented pattern Mesh\");\n          return null;\n        case \"Dummy\":\n          return \"hotpink\";\n        default:\n          throw new Error(`Unknown IR type: ${args[0]}`);\n      }\n    }\n\n    setDash(dashArray, dashPhase) {\n      this.current.dashArray = dashArray;\n      this.current.dashPhase = dashPhase;\n    }\n\n    constructPath(ops, args) {\n      const current = this.current;\n      let x = current.x,\n        y = current.y;\n      let d = [];\n      let j = 0;\n\n      for (const op of ops) {\n        switch (op | 0) {\n          case OPS.rectangle:\n            x = args[j++];\n            y = args[j++];\n            const width = args[j++];\n            const height = args[j++];\n            const xw = x + width;\n            const yh = y + height;\n            d.push(\n              \"M\",\n              pf(x),\n              pf(y),\n              \"L\",\n              pf(xw),\n              pf(y),\n              \"L\",\n              pf(xw),\n              pf(yh),\n              \"L\",\n              pf(x),\n              pf(yh),\n              \"Z\"\n            );\n            break;\n          case OPS.moveTo:\n            x = args[j++];\n            y = args[j++];\n            d.push(\"M\", pf(x), pf(y));\n            break;\n          case OPS.lineTo:\n            x = args[j++];\n            y = args[j++];\n            d.push(\"L\", pf(x), pf(y));\n            break;\n          case OPS.curveTo:\n            x = args[j + 4];\n            y = args[j + 5];\n            d.push(\n              \"C\",\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(args[j + 2]),\n              pf(args[j + 3]),\n              pf(x),\n              pf(y)\n            );\n            j += 6;\n            break;\n          case OPS.curveTo2:\n            d.push(\n              \"C\",\n              pf(x),\n              pf(y),\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(args[j + 2]),\n              pf(args[j + 3])\n            );\n            x = args[j + 2];\n            y = args[j + 3];\n            j += 4;\n            break;\n          case OPS.curveTo3:\n            x = args[j + 2];\n            y = args[j + 3];\n            d.push(\n              \"C\",\n              pf(args[j]),\n              pf(args[j + 1]),\n              pf(x),\n              pf(y),\n              pf(x),\n              pf(y)\n            );\n            j += 4;\n            break;\n          case OPS.closePath:\n            d.push(\"Z\");\n            break;\n        }\n      }\n\n      d = d.join(\" \");\n\n      if (\n        current.path &&\n        ops.length > 0 &&\n        ops[0] !== OPS.rectangle &&\n        ops[0] !== OPS.moveTo\n      ) {\n        // If a path does not start with an OPS.rectangle or OPS.moveTo, it has\n        // probably been divided into two OPS.constructPath operators by\n        // OperatorList. Append the commands to the previous path element.\n        d = current.path.getAttributeNS(null, \"d\") + d;\n      } else {\n        current.path = this.svgFactory.createElement(\"svg:path\");\n        this._ensureTransformGroup().appendChild(current.path);\n      }\n\n      current.path.setAttributeNS(null, \"d\", d);\n      current.path.setAttributeNS(null, \"fill\", \"none\");\n\n      // Saving a reference in current.element so that it can be addressed\n      // in 'fill' and 'stroke'\n      current.element = current.path;\n      current.setCurrentPoint(x, y);\n    }\n\n    endPath() {\n      const current = this.current;\n\n      // Painting operators end a path.\n      current.path = null;\n\n      if (!this.pendingClip) {\n        return;\n      }\n      if (!current.element) {\n        this.pendingClip = null;\n        return;\n      }\n\n      // Add the current path to a clipping path.\n      const clipId = `clippath${clipCount++}`;\n      const clipPath = this.svgFactory.createElement(\"svg:clipPath\");\n      clipPath.setAttributeNS(null, \"id\", clipId);\n      clipPath.setAttributeNS(null, \"transform\", pm(this.transformMatrix));\n\n      // A deep clone is needed when text is used as a clipping path.\n      const clipElement = current.element.cloneNode(true);\n      if (this.pendingClip === \"evenodd\") {\n        clipElement.setAttributeNS(null, \"clip-rule\", \"evenodd\");\n      } else {\n        clipElement.setAttributeNS(null, \"clip-rule\", \"nonzero\");\n      }\n      this.pendingClip = null;\n      clipPath.appendChild(clipElement);\n      this.defs.appendChild(clipPath);\n\n      if (current.activeClipUrl) {\n        // The previous clipping group content can go out of order -- resetting\n        // cached clipGroups.\n        current.clipGroup = null;\n        this.extraStack.forEach(function (prev) {\n          prev.clipGroup = null;\n        });\n        // Intersect with the previous clipping path.\n        clipPath.setAttributeNS(null, \"clip-path\", current.activeClipUrl);\n      }\n      current.activeClipUrl = `url(#${clipId})`;\n\n      this.tgrp = null;\n    }\n\n    clip(type) {\n      this.pendingClip = type;\n    }\n\n    closePath() {\n      const current = this.current;\n      if (current.path) {\n        const d = `${current.path.getAttributeNS(null, \"d\")}Z`;\n        current.path.setAttributeNS(null, \"d\", d);\n      }\n    }\n\n    setLeading(leading) {\n      this.current.leading = -leading;\n    }\n\n    setTextRise(textRise) {\n      this.current.textRise = textRise;\n    }\n\n    setTextRenderingMode(textRenderingMode) {\n      this.current.textRenderingMode = textRenderingMode;\n    }\n\n    setHScale(scale) {\n      this.current.textHScale = scale / 100;\n    }\n\n    setRenderingIntent(intent) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    }\n\n    setFlatness(flatness) {\n      // This operation is ignored since we haven't found a use case for it yet.\n    }\n\n    setGState(states) {\n      for (const [key, value] of states) {\n        switch (key) {\n          case \"LW\":\n            this.setLineWidth(value);\n            break;\n          case \"LC\":\n            this.setLineCap(value);\n            break;\n          case \"LJ\":\n            this.setLineJoin(value);\n            break;\n          case \"ML\":\n            this.setMiterLimit(value);\n            break;\n          case \"D\":\n            this.setDash(value[0], value[1]);\n            break;\n          case \"RI\":\n            this.setRenderingIntent(value);\n            break;\n          case \"FL\":\n            this.setFlatness(value);\n            break;\n          case \"Font\":\n            this.setFont(value);\n            break;\n          case \"CA\":\n            this.setStrokeAlpha(value);\n            break;\n          case \"ca\":\n            this.setFillAlpha(value);\n            break;\n          default:\n            warn(`Unimplemented graphic state operator ${key}`);\n            break;\n        }\n      }\n    }\n\n    fill() {\n      const current = this.current;\n      if (current.element) {\n        current.element.setAttributeNS(null, \"fill\", current.fillColor);\n        current.element.setAttributeNS(null, \"fill-opacity\", current.fillAlpha);\n        this.endPath();\n      }\n    }\n\n    stroke() {\n      const current = this.current;\n      if (current.element) {\n        this._setStrokeAttributes(current.element);\n        current.element.setAttributeNS(null, \"fill\", \"none\");\n        this.endPath();\n      }\n    }\n\n    /**\n     * @private\n     */\n    _setStrokeAttributes(element, lineWidthScale = 1) {\n      const current = this.current;\n      let dashArray = current.dashArray;\n      if (lineWidthScale !== 1 && dashArray.length > 0) {\n        dashArray = dashArray.map(function (value) {\n          return lineWidthScale * value;\n        });\n      }\n      element.setAttributeNS(null, \"stroke\", current.strokeColor);\n      element.setAttributeNS(null, \"stroke-opacity\", current.strokeAlpha);\n      element.setAttributeNS(null, \"stroke-miterlimit\", pf(current.miterLimit));\n      element.setAttributeNS(null, \"stroke-linecap\", current.lineCap);\n      element.setAttributeNS(null, \"stroke-linejoin\", current.lineJoin);\n      element.setAttributeNS(\n        null,\n        \"stroke-width\",\n        pf(lineWidthScale * current.lineWidth) + \"px\"\n      );\n      element.setAttributeNS(\n        null,\n        \"stroke-dasharray\",\n        dashArray.map(pf).join(\" \")\n      );\n      element.setAttributeNS(\n        null,\n        \"stroke-dashoffset\",\n        pf(lineWidthScale * current.dashPhase) + \"px\"\n      );\n    }\n\n    eoFill() {\n      if (this.current.element) {\n        this.current.element.setAttributeNS(null, \"fill-rule\", \"evenodd\");\n      }\n      this.fill();\n    }\n\n    fillStroke() {\n      // Order is important since stroke wants fill to be none.\n      // First stroke, then if fill needed, it will be overwritten.\n      this.stroke();\n      this.fill();\n    }\n\n    eoFillStroke() {\n      if (this.current.element) {\n        this.current.element.setAttributeNS(null, \"fill-rule\", \"evenodd\");\n      }\n      this.fillStroke();\n    }\n\n    closeStroke() {\n      this.closePath();\n      this.stroke();\n    }\n\n    closeFillStroke() {\n      this.closePath();\n      this.fillStroke();\n    }\n\n    closeEOFillStroke() {\n      this.closePath();\n      this.eoFillStroke();\n    }\n\n    paintSolidColorImageMask() {\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", \"0\");\n      rect.setAttributeNS(null, \"y\", \"0\");\n      rect.setAttributeNS(null, \"width\", \"1px\");\n      rect.setAttributeNS(null, \"height\", \"1px\");\n      rect.setAttributeNS(null, \"fill\", this.current.fillColor);\n\n      this._ensureTransformGroup().appendChild(rect);\n    }\n\n    paintImageXObject(objId) {\n      const imgData = objId.startsWith(\"g_\")\n        ? this.commonObjs.get(objId)\n        : this.objs.get(objId);\n      if (!imgData) {\n        warn(`Dependent image with object ID ${objId} is not ready yet`);\n        return;\n      }\n      this.paintInlineImageXObject(imgData);\n    }\n\n    paintInlineImageXObject(imgData, mask) {\n      const width = imgData.width;\n      const height = imgData.height;\n\n      const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);\n      const cliprect = this.svgFactory.createElement(\"svg:rect\");\n      cliprect.setAttributeNS(null, \"x\", \"0\");\n      cliprect.setAttributeNS(null, \"y\", \"0\");\n      cliprect.setAttributeNS(null, \"width\", pf(width));\n      cliprect.setAttributeNS(null, \"height\", pf(height));\n      this.current.element = cliprect;\n      this.clip(\"nonzero\");\n\n      const imgEl = this.svgFactory.createElement(\"svg:image\");\n      imgEl.setAttributeNS(XLINK_NS, \"xlink:href\", imgSrc);\n      imgEl.setAttributeNS(null, \"x\", \"0\");\n      imgEl.setAttributeNS(null, \"y\", pf(-height));\n      imgEl.setAttributeNS(null, \"width\", pf(width) + \"px\");\n      imgEl.setAttributeNS(null, \"height\", pf(height) + \"px\");\n      imgEl.setAttributeNS(\n        null,\n        \"transform\",\n        `scale(${pf(1 / width)} ${pf(-1 / height)})`\n      );\n      if (mask) {\n        mask.appendChild(imgEl);\n      } else {\n        this._ensureTransformGroup().appendChild(imgEl);\n      }\n    }\n\n    paintImageMaskXObject(imgData) {\n      const current = this.current;\n      const width = imgData.width;\n      const height = imgData.height;\n      const fillColor = current.fillColor;\n\n      current.maskId = `mask${maskCount++}`;\n      const mask = this.svgFactory.createElement(\"svg:mask\");\n      mask.setAttributeNS(null, \"id\", current.maskId);\n\n      const rect = this.svgFactory.createElement(\"svg:rect\");\n      rect.setAttributeNS(null, \"x\", \"0\");\n      rect.setAttributeNS(null, \"y\", \"0\");\n      rect.setAttributeNS(null, \"width\", pf(width));\n      rect.setAttributeNS(null, \"height\", pf(height));\n      rect.setAttributeNS(null, \"fill\", fillColor);\n      rect.setAttributeNS(null, \"mask\", `url(#${current.maskId})`);\n\n      this.defs.appendChild(mask);\n      this._ensureTransformGroup().appendChild(rect);\n\n      this.paintInlineImageXObject(imgData, mask);\n    }\n\n    paintFormXObjectBegin(matrix, bbox) {\n      if (Array.isArray(matrix) && matrix.length === 6) {\n        this.transform(\n          matrix[0],\n          matrix[1],\n          matrix[2],\n          matrix[3],\n          matrix[4],\n          matrix[5]\n        );\n      }\n\n      if (bbox) {\n        const width = bbox[2] - bbox[0];\n        const height = bbox[3] - bbox[1];\n\n        const cliprect = this.svgFactory.createElement(\"svg:rect\");\n        cliprect.setAttributeNS(null, \"x\", bbox[0]);\n        cliprect.setAttributeNS(null, \"y\", bbox[1]);\n        cliprect.setAttributeNS(null, \"width\", pf(width));\n        cliprect.setAttributeNS(null, \"height\", pf(height));\n        this.current.element = cliprect;\n        this.clip(\"nonzero\");\n        this.endPath();\n      }\n    }\n\n    paintFormXObjectEnd() {}\n\n    /**\n     * @private\n     */\n    _initialize(viewport) {\n      const svg = this.svgFactory.create(viewport.width, viewport.height);\n\n      // Create the definitions element.\n      const definitions = this.svgFactory.createElement(\"svg:defs\");\n      svg.appendChild(definitions);\n      this.defs = definitions;\n\n      // Create the root group element, which acts a container for all other\n      // groups and applies the viewport transform.\n      const rootGroup = this.svgFactory.createElement(\"svg:g\");\n      rootGroup.setAttributeNS(null, \"transform\", pm(viewport.transform));\n      svg.appendChild(rootGroup);\n\n      // For the construction of the SVG image we are only interested in the\n      // root group, so we expose it as the entry point of the SVG image for\n      // the other code in this class.\n      this.svg = rootGroup;\n\n      return svg;\n    }\n\n    /**\n     * @private\n     */\n    _ensureClipGroup() {\n      if (!this.current.clipGroup) {\n        const clipGroup = this.svgFactory.createElement(\"svg:g\");\n        clipGroup.setAttributeNS(null, \"clip-path\", this.current.activeClipUrl);\n        this.svg.appendChild(clipGroup);\n        this.current.clipGroup = clipGroup;\n      }\n      return this.current.clipGroup;\n    }\n\n    /**\n     * @private\n     */\n    _ensureTransformGroup() {\n      if (!this.tgrp) {\n        this.tgrp = this.svgFactory.createElement(\"svg:g\");\n        this.tgrp.setAttributeNS(null, \"transform\", pm(this.transformMatrix));\n        if (this.current.activeClipUrl) {\n          this._ensureClipGroup().appendChild(this.tgrp);\n        } else {\n          this.svg.appendChild(this.tgrp);\n        }\n      }\n      return this.tgrp;\n    }\n  };\n}\n\nexport { SVGGraphics };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n} from \"../shared/util.js\";\nimport {\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./node_stream.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nconst fs = __non_webpack_require__(\"fs\");\nconst http = __non_webpack_require__(\"http\");\nconst https = __non_webpack_require__(\"https\");\nconst url = __non_webpack_require__(\"url\");\n\nconst fileUriRegex = /^file:\\/\\/\\/[a-zA-Z]:\\//;\n\nfunction parseUrl(sourceUrl) {\n  const parsedUrl = url.parse(sourceUrl);\n  if (parsedUrl.protocol === \"file:\" || parsedUrl.host) {\n    return parsedUrl;\n  }\n  // Prepending 'file:///' to Windows absolute path.\n  if (/^[a-z]:[/\\\\]/i.test(sourceUrl)) {\n    return url.parse(`file:///${sourceUrl}`);\n  }\n  // Changes protocol to 'file:' if url refers to filesystem.\n  if (!parsedUrl.host) {\n    parsedUrl.protocol = \"file:\";\n  }\n  return parsedUrl;\n}\n\nclass PDFNodeStream {\n  constructor(source) {\n    this.source = source;\n    this.url = parseUrl(source.url);\n    this.isHttp =\n      this.url.protocol === \"http:\" || this.url.protocol === \"https:\";\n    // Check if url refers to filesystem.\n    this.isFsUrl = this.url.protocol === \"file:\";\n    this.httpHeaders = (this.isHttp && source.httpHeaders) || {};\n\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFNodeStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = this.isFsUrl\n      ? new PDFNodeStreamFsFullReader(this)\n      : new PDFNodeStreamFullReader(this);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(start, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const rangeReader = this.isFsUrl\n      ? new PDFNodeStreamFsRangeReader(this, start, end)\n      : new PDFNodeStreamRangeReader(this, start, end);\n    this._rangeRequestReaders.push(rangeReader);\n    return rangeReader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\nclass BaseFullReader {\n  constructor(stream) {\n    this._url = stream.url;\n    this._done = false;\n    this._storedError = null;\n    this.onProgress = null;\n    const source = stream.source;\n    this._contentLength = source.length; // optional\n    this._loaded = 0;\n    this._filename = null;\n\n    this._disableRange = source.disableRange || false;\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    this._isStreamingSupported = !source.disableStream;\n    this._isRangeSupported = !source.disableRange;\n\n    this._readableStream = null;\n    this._readCapability = createPromiseCapability();\n    this._headersCapability = createPromiseCapability();\n  }\n\n  get headersReady() {\n    return this._headersCapability.promise;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    if (this._storedError) {\n      throw this._storedError;\n    }\n\n    const chunk = this._readableStream.read();\n    if (chunk === null) {\n      this._readCapability = createPromiseCapability();\n      return this.read();\n    }\n    this._loaded += chunk.length;\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: this._loaded,\n        total: this._contentLength,\n      });\n    }\n    // Ensure that `read()` method returns ArrayBuffer.\n    const buffer = new Uint8Array(chunk).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    // Call `this._error()` method when cancel is called\n    // before _readableStream is set.\n    if (!this._readableStream) {\n      this._error(reason);\n      return;\n    }\n    this._readableStream.destroy(reason);\n  }\n\n  _error(reason) {\n    this._storedError = reason;\n    this._readCapability.resolve();\n  }\n\n  _setReadableStream(readableStream) {\n    this._readableStream = readableStream;\n    readableStream.on(\"readable\", () => {\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"end\", () => {\n      // Destroy readable to minimize resource usage.\n      readableStream.destroy();\n      this._done = true;\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"error\", reason => {\n      this._error(reason);\n    });\n\n    // We need to stop reading when range is supported and streaming is\n    // disabled.\n    if (!this._isStreamingSupported && this._isRangeSupported) {\n      this._error(new AbortException(\"streaming is disabled\"));\n    }\n\n    // Destroy ReadableStream if already in errored state.\n    if (this._storedError) {\n      this._readableStream.destroy(this._storedError);\n    }\n  }\n}\n\nclass BaseRangeReader {\n  constructor(stream) {\n    this._url = stream.url;\n    this._done = false;\n    this._storedError = null;\n    this.onProgress = null;\n    this._loaded = 0;\n    this._readableStream = null;\n    this._readCapability = createPromiseCapability();\n    const source = stream.source;\n    this._isStreamingSupported = !source.disableStream;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    if (this._storedError) {\n      throw this._storedError;\n    }\n\n    const chunk = this._readableStream.read();\n    if (chunk === null) {\n      this._readCapability = createPromiseCapability();\n      return this.read();\n    }\n    this._loaded += chunk.length;\n    if (this.onProgress) {\n      this.onProgress({ loaded: this._loaded });\n    }\n    // Ensure that `read()` method returns ArrayBuffer.\n    const buffer = new Uint8Array(chunk).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    // Call `this._error()` method when cancel is called\n    // before _readableStream is set.\n    if (!this._readableStream) {\n      this._error(reason);\n      return;\n    }\n    this._readableStream.destroy(reason);\n  }\n\n  _error(reason) {\n    this._storedError = reason;\n    this._readCapability.resolve();\n  }\n\n  _setReadableStream(readableStream) {\n    this._readableStream = readableStream;\n    readableStream.on(\"readable\", () => {\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"end\", () => {\n      // Destroy readableStream to minimize resource usage.\n      readableStream.destroy();\n      this._done = true;\n      this._readCapability.resolve();\n    });\n\n    readableStream.on(\"error\", reason => {\n      this._error(reason);\n    });\n\n    // Destroy readableStream if already in errored state.\n    if (this._storedError) {\n      this._readableStream.destroy(this._storedError);\n    }\n  }\n}\n\nfunction createRequestOptions(parsedUrl, headers) {\n  return {\n    protocol: parsedUrl.protocol,\n    auth: parsedUrl.auth,\n    host: parsedUrl.hostname,\n    port: parsedUrl.port,\n    path: parsedUrl.path,\n    method: \"GET\",\n    headers,\n  };\n}\n\nclass PDFNodeStreamFullReader extends BaseFullReader {\n  constructor(stream) {\n    super(stream);\n\n    const handleResponse = response => {\n      if (response.statusCode === 404) {\n        const error = new MissingPDFException(`Missing PDF \"${this._url}\".`);\n        this._storedError = error;\n        this._headersCapability.reject(error);\n        return;\n      }\n      this._headersCapability.resolve();\n      this._setReadableStream(response);\n\n      const getResponseHeader = name => {\n        // Make sure that headers name are in lower case, as mentioned\n        // here: https://nodejs.org/api/http.html#http_message_headers.\n        return this._readableStream.headers[name.toLowerCase()];\n      };\n      const {\n        allowRangeRequests,\n        suggestedLength,\n      } = validateRangeRequestCapabilities({\n        getResponseHeader,\n        isHttp: stream.isHttp,\n        rangeChunkSize: this._rangeChunkSize,\n        disableRange: this._disableRange,\n      });\n\n      this._isRangeSupported = allowRangeRequests;\n      // Setting right content length.\n      this._contentLength = suggestedLength || this._contentLength;\n\n      this._filename = extractFilenameFromHeader(getResponseHeader);\n    };\n\n    this._request = null;\n    if (this._url.protocol === \"http:\") {\n      this._request = http.request(\n        createRequestOptions(this._url, stream.httpHeaders),\n        handleResponse\n      );\n    } else {\n      this._request = https.request(\n        createRequestOptions(this._url, stream.httpHeaders),\n        handleResponse\n      );\n    }\n\n    this._request.on(\"error\", reason => {\n      this._storedError = reason;\n      this._headersCapability.reject(reason);\n    });\n    // Note: `request.end(data)` is used to write `data` to request body\n    // and notify end of request. But one should always call `request.end()`\n    // even if there is no data to write -- (to notify the end of request).\n    this._request.end();\n  }\n}\n\nclass PDFNodeStreamRangeReader extends BaseRangeReader {\n  constructor(stream, start, end) {\n    super(stream);\n\n    this._httpHeaders = {};\n    for (const property in stream.httpHeaders) {\n      const value = stream.httpHeaders[property];\n      if (typeof value === \"undefined\") {\n        continue;\n      }\n      this._httpHeaders[property] = value;\n    }\n    this._httpHeaders.Range = `bytes=${start}-${end - 1}`;\n\n    const handleResponse = response => {\n      if (response.statusCode === 404) {\n        const error = new MissingPDFException(`Missing PDF \"${this._url}\".`);\n        this._storedError = error;\n        return;\n      }\n      this._setReadableStream(response);\n    };\n\n    this._request = null;\n    if (this._url.protocol === \"http:\") {\n      this._request = http.request(\n        createRequestOptions(this._url, this._httpHeaders),\n        handleResponse\n      );\n    } else {\n      this._request = https.request(\n        createRequestOptions(this._url, this._httpHeaders),\n        handleResponse\n      );\n    }\n\n    this._request.on(\"error\", reason => {\n      this._storedError = reason;\n    });\n    this._request.end();\n  }\n}\n\nclass PDFNodeStreamFsFullReader extends BaseFullReader {\n  constructor(stream) {\n    super(stream);\n\n    let path = decodeURIComponent(this._url.path);\n\n    // Remove the extra slash to get right path from url like `file:///C:/`\n    if (fileUriRegex.test(this._url.href)) {\n      path = path.replace(/^\\//, \"\");\n    }\n\n    fs.lstat(path, (error, stat) => {\n      if (error) {\n        if (error.code === \"ENOENT\") {\n          error = new MissingPDFException(`Missing PDF \"${path}\".`);\n        }\n        this._storedError = error;\n        this._headersCapability.reject(error);\n        return;\n      }\n      // Setting right content length.\n      this._contentLength = stat.size;\n\n      this._setReadableStream(fs.createReadStream(path));\n      this._headersCapability.resolve();\n    });\n  }\n}\n\nclass PDFNodeStreamFsRangeReader extends BaseRangeReader {\n  constructor(stream, start, end) {\n    super(stream);\n\n    let path = decodeURIComponent(this._url.path);\n\n    // Remove the extra slash to get right path from url like `file:///C:/`\n    if (fileUriRegex.test(this._url.href)) {\n      path = path.replace(/^\\//, \"\");\n    }\n\n    this._setReadableStream(fs.createReadStream(path, { start, end: end - 1 }));\n  }\n}\n\nexport { PDFNodeStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  MissingPDFException,\n  UnexpectedResponseException,\n} from \"../shared/util.js\";\nimport { getFilenameFromContentDispositionHeader } from \"./content_disposition.js\";\n\nfunction validateRangeRequestCapabilities({\n  getResponseHeader,\n  isHttp,\n  rangeChunkSize,\n  disableRange,\n}) {\n  assert(rangeChunkSize > 0, \"Range chunk size must be larger than zero\");\n  const returnValues = {\n    allowRangeRequests: false,\n    suggestedLength: undefined,\n  };\n\n  const length = parseInt(getResponseHeader(\"Content-Length\"), 10);\n  if (!Number.isInteger(length)) {\n    return returnValues;\n  }\n\n  returnValues.suggestedLength = length;\n\n  if (length <= 2 * rangeChunkSize) {\n    // The file size is smaller than the size of two chunks, so it does not\n    // make any sense to abort the request and retry with a range request.\n    return returnValues;\n  }\n\n  if (disableRange || !isHttp) {\n    return returnValues;\n  }\n  if (getResponseHeader(\"Accept-Ranges\") !== \"bytes\") {\n    return returnValues;\n  }\n\n  const contentEncoding = getResponseHeader(\"Content-Encoding\") || \"identity\";\n  if (contentEncoding !== \"identity\") {\n    return returnValues;\n  }\n\n  returnValues.allowRangeRequests = true;\n  return returnValues;\n}\n\nfunction extractFilenameFromHeader(getResponseHeader) {\n  const contentDisposition = getResponseHeader(\"Content-Disposition\");\n  if (contentDisposition) {\n    let filename = getFilenameFromContentDispositionHeader(contentDisposition);\n    if (filename.includes(\"%\")) {\n      try {\n        filename = decodeURIComponent(filename);\n      } catch (ex) {}\n    }\n    if (/\\.pdf$/i.test(filename)) {\n      return filename;\n    }\n  }\n  return null;\n}\n\nfunction createResponseStatusError(status, url) {\n  if (status === 404 || (status === 0 && url.startsWith(\"file:\"))) {\n    return new MissingPDFException('Missing PDF \"' + url + '\".');\n  }\n  return new UnexpectedResponseException(\n    \"Unexpected server response (\" +\n      status +\n      ') while retrieving PDF \"' +\n      url +\n      '\".',\n    status\n  );\n}\n\nfunction validateResponseStatus(status) {\n  return status === 200 || status === 206;\n}\n\nexport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n  validateResponseStatus,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// This getFilenameFromContentDispositionHeader function is adapted from\n// https://github.com/Rob--W/open-in-browser/blob/7e2e35a38b8b4e981b11da7b2f01df0149049e92/extension/content-disposition.js\n// with the following changes:\n// - Modified to conform to PDF.js's coding style.\n// - Support UTF-8 decoding when TextDecoder is unsupported.\n// - Move return to the end of the function to prevent Babel from dropping the\n//   function declarations.\n\n/**\n * Extract file name from the Content-Disposition HTTP response header.\n *\n * @param {string} contentDisposition\n * @returns {string} Filename, if found in the Content-Disposition header.\n */\nfunction getFilenameFromContentDispositionHeader(contentDisposition) {\n  let needsEncodingFixup = true;\n\n  // filename*=ext-value (\"ext-value\" from RFC 5987, referenced by RFC 6266).\n  let tmp = toParamRegExp(\"filename\\\\*\", \"i\").exec(contentDisposition);\n  if (tmp) {\n    tmp = tmp[1];\n    let filename = rfc2616unquote(tmp);\n    filename = unescape(filename);\n    filename = rfc5987decode(filename);\n    filename = rfc2047decode(filename);\n    return fixupEncoding(filename);\n  }\n\n  // Continuations (RFC 2231 section 3, referenced by RFC 5987 section 3.1).\n  // filename*n*=part\n  // filename*n=part\n  tmp = rfc2231getparam(contentDisposition);\n  if (tmp) {\n    // RFC 2047, section\n    const filename = rfc2047decode(tmp);\n    return fixupEncoding(filename);\n  }\n\n  // filename=value (RFC 5987, section 4.1).\n  tmp = toParamRegExp(\"filename\", \"i\").exec(contentDisposition);\n  if (tmp) {\n    tmp = tmp[1];\n    let filename = rfc2616unquote(tmp);\n    filename = rfc2047decode(filename);\n    return fixupEncoding(filename);\n  }\n\n  // After this line there are only function declarations. We cannot put\n  // \"return\" here for readability because babel would then drop the function\n  // declarations...\n  function toParamRegExp(attributePattern, flags) {\n    return new RegExp(\n      \"(?:^|;)\\\\s*\" +\n        attributePattern +\n        \"\\\\s*=\\\\s*\" +\n        // Captures: value = token | quoted-string\n        // (RFC 2616, section 3.6 and referenced by RFC 6266 4.1)\n        \"(\" +\n        '[^\";\\\\s][^;\\\\s]*' +\n        \"|\" +\n        '\"(?:[^\"\\\\\\\\]|\\\\\\\\\"?)+\"?' +\n        \")\",\n      flags\n    );\n  }\n  function textdecode(encoding, value) {\n    if (encoding) {\n      if (!/^[\\x00-\\xFF]+$/.test(value)) {\n        return value;\n      }\n      try {\n        const decoder = new TextDecoder(encoding, { fatal: true });\n        const bytes = Array.from(value, function (ch) {\n          return ch.charCodeAt(0) & 0xff;\n        });\n        value = decoder.decode(new Uint8Array(bytes));\n        needsEncodingFixup = false;\n      } catch (e) {\n        // TextDecoder constructor threw - unrecognized encoding.\n        // Or TextDecoder API is not available (in IE / Edge).\n        if (/^utf-?8$/i.test(encoding)) {\n          // UTF-8 is commonly used, try to support it in another way:\n          try {\n            value = decodeURIComponent(escape(value));\n            needsEncodingFixup = false;\n          } catch (err) {}\n        }\n      }\n    }\n    return value;\n  }\n  function fixupEncoding(value) {\n    if (needsEncodingFixup && /[\\x80-\\xff]/.test(value)) {\n      // Maybe multi-byte UTF-8.\n      value = textdecode(\"utf-8\", value);\n      if (needsEncodingFixup) {\n        // Try iso-8859-1 encoding.\n        value = textdecode(\"iso-8859-1\", value);\n      }\n    }\n    return value;\n  }\n  function rfc2231getparam(contentDispositionStr) {\n    const matches = [];\n    let match;\n    // Iterate over all filename*n= and filename*n*= with n being an integer\n    // of at least zero. Any non-zero number must not start with '0'.\n    const iter = toParamRegExp(\"filename\\\\*((?!0\\\\d)\\\\d+)(\\\\*?)\", \"ig\");\n    while ((match = iter.exec(contentDispositionStr)) !== null) {\n      let [, n, quot, part] = match; // eslint-disable-line prefer-const\n      n = parseInt(n, 10);\n      if (n in matches) {\n        // Ignore anything after the invalid second filename*0.\n        if (n === 0) {\n          break;\n        }\n        continue;\n      }\n      matches[n] = [quot, part];\n    }\n    const parts = [];\n    for (let n = 0; n < matches.length; ++n) {\n      if (!(n in matches)) {\n        // Numbers must be consecutive. Truncate when there is a hole.\n        break;\n      }\n      let [quot, part] = matches[n]; // eslint-disable-line prefer-const\n      part = rfc2616unquote(part);\n      if (quot) {\n        part = unescape(part);\n        if (n === 0) {\n          part = rfc5987decode(part);\n        }\n      }\n      parts.push(part);\n    }\n    return parts.join(\"\");\n  }\n  function rfc2616unquote(value) {\n    if (value.startsWith('\"')) {\n      const parts = value.slice(1).split('\\\\\"');\n      // Find the first unescaped \" and terminate there.\n      for (let i = 0; i < parts.length; ++i) {\n        const quotindex = parts[i].indexOf('\"');\n        if (quotindex !== -1) {\n          parts[i] = parts[i].slice(0, quotindex);\n          parts.length = i + 1; // Truncates and stop the iteration.\n        }\n        parts[i] = parts[i].replace(/\\\\(.)/g, \"$1\");\n      }\n      value = parts.join('\"');\n    }\n    return value;\n  }\n  function rfc5987decode(extvalue) {\n    // Decodes \"ext-value\" from RFC 5987.\n    const encodingend = extvalue.indexOf(\"'\");\n    if (encodingend === -1) {\n      // Some servers send \"filename*=\" without encoding 'language' prefix,\n      // e.g. in https://github.com/Rob--W/open-in-browser/issues/26\n      // Let's accept the value like Firefox (57) (Chrome 62 rejects it).\n      return extvalue;\n    }\n    const encoding = extvalue.slice(0, encodingend);\n    const langvalue = extvalue.slice(encodingend + 1);\n    // Ignore language (RFC 5987 section 3.2.1, and RFC 6266 section 4.1 ).\n    const value = langvalue.replace(/^[^']*'/, \"\");\n    return textdecode(encoding, value);\n  }\n  function rfc2047decode(value) {\n    // RFC 2047-decode the result. Firefox tried to drop support for it, but\n    // backed out because some servers use it - https://bugzil.la/875615\n    // Firefox's condition for decoding is here: https://searchfox.org/mozilla-central/rev/4a590a5a15e35d88a3b23dd6ac3c471cf85b04a8/netwerk/mime/nsMIMEHeaderParamImpl.cpp#742-748\n\n    // We are more strict and only recognize RFC 2047-encoding if the value\n    // starts with \"=?\", since then it is likely that the full value is\n    // RFC 2047-encoded.\n\n    // Firefox also decodes words even where RFC 2047 section 5 states:\n    // \"An 'encoded-word' MUST NOT appear within a 'quoted-string'.\"\n    if (!value.startsWith(\"=?\") || /[\\x00-\\x19\\x80-\\xff]/.test(value)) {\n      return value;\n    }\n    // RFC 2047, section 2.4\n    // encoded-word = \"=?\" charset \"?\" encoding \"?\" encoded-text \"?=\"\n    // charset = token (but let's restrict to characters that denote a\n    //       possibly valid encoding).\n    // encoding = q or b\n    // encoded-text = any printable ASCII character other than ? or space.\n    //        ... but Firefox permits ? and space.\n    return value.replace(\n      /=\\?([\\w-]*)\\?([QqBb])\\?((?:[^?]|\\?(?!=))*)\\?=/g,\n      function (matches, charset, encoding, text) {\n        if (encoding === \"q\" || encoding === \"Q\") {\n          // RFC 2047 section 4.2.\n          text = text.replace(/_/g, \" \");\n          text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {\n            return String.fromCharCode(parseInt(hex, 16));\n          });\n          return textdecode(charset, text);\n        } // else encoding is b or B - base64 (RFC 2047 section 4.1)\n        try {\n          text = atob(text);\n        } catch (e) {}\n        return textdecode(charset, text);\n      }\n    );\n  }\n\n  return \"\";\n}\n\nexport { getFilenameFromContentDispositionHeader };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  createPromiseCapability,\n  stringToBytes,\n} from \"../shared/util.js\";\nimport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./network.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nconst OK_RESPONSE = 200;\nconst PARTIAL_CONTENT_RESPONSE = 206;\n\nfunction getArrayBuffer(xhr) {\n  const data = xhr.response;\n  if (typeof data !== \"string\") {\n    return data;\n  }\n  const array = stringToBytes(data);\n  return array.buffer;\n}\n\nclass NetworkManager {\n  constructor(url, args) {\n    this.url = url;\n    args = args || {};\n    this.isHttp = /^https?:/i.test(url);\n    this.httpHeaders = (this.isHttp && args.httpHeaders) || {};\n    this.withCredentials = args.withCredentials || false;\n    this.getXhr =\n      args.getXhr ||\n      function NetworkManager_getXhr() {\n        return new XMLHttpRequest();\n      };\n\n    this.currXhrId = 0;\n    this.pendingRequests = Object.create(null);\n  }\n\n  requestRange(begin, end, listeners) {\n    const args = {\n      begin,\n      end,\n    };\n    for (const prop in listeners) {\n      args[prop] = listeners[prop];\n    }\n    return this.request(args);\n  }\n\n  requestFull(listeners) {\n    return this.request(listeners);\n  }\n\n  request(args) {\n    const xhr = this.getXhr();\n    const xhrId = this.currXhrId++;\n    const pendingRequest = (this.pendingRequests[xhrId] = {\n      xhr,\n    });\n\n    xhr.open(\"GET\", this.url);\n    xhr.withCredentials = this.withCredentials;\n    for (const property in this.httpHeaders) {\n      const value = this.httpHeaders[property];\n      if (typeof value === \"undefined\") {\n        continue;\n      }\n      xhr.setRequestHeader(property, value);\n    }\n    if (this.isHttp && \"begin\" in args && \"end\" in args) {\n      xhr.setRequestHeader(\"Range\", `bytes=${args.begin}-${args.end - 1}`);\n      pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;\n    } else {\n      pendingRequest.expectedStatus = OK_RESPONSE;\n    }\n    xhr.responseType = \"arraybuffer\";\n\n    if (args.onError) {\n      xhr.onerror = function (evt) {\n        args.onError(xhr.status);\n      };\n    }\n    xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);\n    xhr.onprogress = this.onProgress.bind(this, xhrId);\n\n    pendingRequest.onHeadersReceived = args.onHeadersReceived;\n    pendingRequest.onDone = args.onDone;\n    pendingRequest.onError = args.onError;\n    pendingRequest.onProgress = args.onProgress;\n\n    xhr.send(null);\n\n    return xhrId;\n  }\n\n  onProgress(xhrId, evt) {\n    const pendingRequest = this.pendingRequests[xhrId];\n    if (!pendingRequest) {\n      // Maybe abortRequest was called...\n      return;\n    }\n\n    if (pendingRequest.onProgress) {\n      pendingRequest.onProgress(evt);\n    }\n  }\n\n  onStateChange(xhrId, evt) {\n    const pendingRequest = this.pendingRequests[xhrId];\n    if (!pendingRequest) {\n      // Maybe abortRequest was called...\n      return;\n    }\n\n    const xhr = pendingRequest.xhr;\n    if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {\n      pendingRequest.onHeadersReceived();\n      delete pendingRequest.onHeadersReceived;\n    }\n\n    if (xhr.readyState !== 4) {\n      return;\n    }\n\n    if (!(xhrId in this.pendingRequests)) {\n      // The XHR request might have been aborted in onHeadersReceived()\n      // callback, in which case we should abort request.\n      return;\n    }\n\n    delete this.pendingRequests[xhrId];\n\n    // Success status == 0 can be on ftp, file and other protocols.\n    if (xhr.status === 0 && this.isHttp) {\n      if (pendingRequest.onError) {\n        pendingRequest.onError(xhr.status);\n      }\n      return;\n    }\n    const xhrStatus = xhr.status || OK_RESPONSE;\n\n    // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2:\n    // \"A server MAY ignore the Range header\". This means it's possible to\n    // get a 200 rather than a 206 response from a range request.\n    const ok_response_on_range_request =\n      xhrStatus === OK_RESPONSE &&\n      pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;\n\n    if (\n      !ok_response_on_range_request &&\n      xhrStatus !== pendingRequest.expectedStatus\n    ) {\n      if (pendingRequest.onError) {\n        pendingRequest.onError(xhr.status);\n      }\n      return;\n    }\n\n    const chunk = getArrayBuffer(xhr);\n    if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {\n      const rangeHeader = xhr.getResponseHeader(\"Content-Range\");\n      const matches = /bytes (\\d+)-(\\d+)\\/(\\d+)/.exec(rangeHeader);\n      pendingRequest.onDone({\n        begin: parseInt(matches[1], 10),\n        chunk,\n      });\n    } else if (chunk) {\n      pendingRequest.onDone({\n        begin: 0,\n        chunk,\n      });\n    } else if (pendingRequest.onError) {\n      pendingRequest.onError(xhr.status);\n    }\n  }\n\n  getRequestXhr(xhrId) {\n    return this.pendingRequests[xhrId].xhr;\n  }\n\n  isPendingRequest(xhrId) {\n    return xhrId in this.pendingRequests;\n  }\n\n  abortRequest(xhrId) {\n    const xhr = this.pendingRequests[xhrId].xhr;\n    delete this.pendingRequests[xhrId];\n    xhr.abort();\n  }\n}\n\n/** @implements {IPDFStream} */\nclass PDFNetworkStream {\n  constructor(source) {\n    this._source = source;\n    this._manager = new NetworkManager(source.url, {\n      httpHeaders: source.httpHeaders,\n      withCredentials: source.withCredentials,\n    });\n    this._rangeChunkSize = source.rangeChunkSize;\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  _onRangeRequestReaderClosed(reader) {\n    const i = this._rangeRequestReaders.indexOf(reader);\n    if (i >= 0) {\n      this._rangeRequestReaders.splice(i, 1);\n    }\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFNetworkStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFNetworkStreamFullRequestReader(\n      this._manager,\n      this._source\n    );\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    const reader = new PDFNetworkStreamRangeRequestReader(\n      this._manager,\n      begin,\n      end\n    );\n    reader.onClosed = this._onRangeRequestReaderClosed.bind(this);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFNetworkStreamFullRequestReader {\n  constructor(manager, source) {\n    this._manager = manager;\n\n    const args = {\n      onHeadersReceived: this._onHeadersReceived.bind(this),\n      onDone: this._onDone.bind(this),\n      onError: this._onError.bind(this),\n      onProgress: this._onProgress.bind(this),\n    };\n    this._url = source.url;\n    this._fullRequestId = manager.requestFull(args);\n    this._headersReceivedCapability = createPromiseCapability();\n    this._disableRange = source.disableRange || false;\n    this._contentLength = source.length; // Optional\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    this._isStreamingSupported = false;\n    this._isRangeSupported = false;\n\n    this._cachedChunks = [];\n    this._requests = [];\n    this._done = false;\n    this._storedError = undefined;\n    this._filename = null;\n\n    this.onProgress = null;\n  }\n\n  _onHeadersReceived() {\n    const fullRequestXhrId = this._fullRequestId;\n    const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);\n\n    const getResponseHeader = name => {\n      return fullRequestXhr.getResponseHeader(name);\n    };\n    const {\n      allowRangeRequests,\n      suggestedLength,\n    } = validateRangeRequestCapabilities({\n      getResponseHeader,\n      isHttp: this._manager.isHttp,\n      rangeChunkSize: this._rangeChunkSize,\n      disableRange: this._disableRange,\n    });\n\n    if (allowRangeRequests) {\n      this._isRangeSupported = true;\n    }\n    // Setting right content length.\n    this._contentLength = suggestedLength || this._contentLength;\n\n    this._filename = extractFilenameFromHeader(getResponseHeader);\n\n    if (this._isRangeSupported) {\n      // NOTE: by cancelling the full request, and then issuing range\n      // requests, there will be an issue for sites where you can only\n      // request the pdf once. However, if this is the case, then the\n      // server should not be returning that it can support range requests.\n      this._manager.abortRequest(fullRequestXhrId);\n    }\n\n    this._headersReceivedCapability.resolve();\n  }\n\n  _onDone(args) {\n    if (args) {\n      if (this._requests.length > 0) {\n        const requestCapability = this._requests.shift();\n        requestCapability.resolve({ value: args.chunk, done: false });\n      } else {\n        this._cachedChunks.push(args.chunk);\n      }\n    }\n    this._done = true;\n    if (this._cachedChunks.length > 0) {\n      return;\n    }\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n  }\n\n  _onError(status) {\n    const url = this._url;\n    const exception = createResponseStatusError(status, url);\n    this._storedError = exception;\n    this._headersReceivedCapability.reject(exception);\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.reject(exception);\n    });\n    this._requests = [];\n    this._cachedChunks = [];\n  }\n\n  _onProgress(data) {\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: data.loaded,\n        total: data.lengthComputable ? data.total : this._contentLength,\n      });\n    }\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get headersReady() {\n    return this._headersReceivedCapability.promise;\n  }\n\n  async read() {\n    if (this._storedError) {\n      throw this._storedError;\n    }\n    if (this._cachedChunks.length > 0) {\n      const chunk = this._cachedChunks.shift();\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._headersReceivedCapability.reject(reason);\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    if (this._manager.isPendingRequest(this._fullRequestId)) {\n      this._manager.abortRequest(this._fullRequestId);\n    }\n    this._fullRequestReader = null;\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFNetworkStreamRangeRequestReader {\n  constructor(manager, begin, end) {\n    this._manager = manager;\n    const args = {\n      onDone: this._onDone.bind(this),\n      onProgress: this._onProgress.bind(this),\n    };\n    this._requestId = manager.requestRange(begin, end, args);\n    this._requests = [];\n    this._queuedChunk = null;\n    this._done = false;\n\n    this.onProgress = null;\n    this.onClosed = null;\n  }\n\n  _close() {\n    if (this.onClosed) {\n      this.onClosed(this);\n    }\n  }\n\n  _onDone(data) {\n    const chunk = data.chunk;\n    if (this._requests.length > 0) {\n      const requestCapability = this._requests.shift();\n      requestCapability.resolve({ value: chunk, done: false });\n    } else {\n      this._queuedChunk = chunk;\n    }\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    this._close();\n  }\n\n  _onProgress(evt) {\n    if (!this.isStreamingSupported && this.onProgress) {\n      this.onProgress({\n        loaded: evt.loaded,\n      });\n    }\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    if (this._queuedChunk !== null) {\n      const chunk = this._queuedChunk;\n      this._queuedChunk = null;\n      return { value: chunk, done: false };\n    }\n    if (this._done) {\n      return { value: undefined, done: true };\n    }\n    const requestCapability = createPromiseCapability();\n    this._requests.push(requestCapability);\n    return requestCapability.promise;\n  }\n\n  cancel(reason) {\n    this._done = true;\n    this._requests.forEach(function (requestCapability) {\n      requestCapability.resolve({ value: undefined, done: true });\n    });\n    this._requests = [];\n    if (this._manager.isPendingRequest(this._requestId)) {\n      this._manager.abortRequest(this._requestId);\n    }\n    this._close();\n  }\n}\n\nexport { PDFNetworkStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n} from \"../shared/util.js\";\nimport {\n  createResponseStatusError,\n  extractFilenameFromHeader,\n  validateRangeRequestCapabilities,\n  validateResponseStatus,\n} from \"./network_utils.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n  throw new Error(\n    'Module \"./fetch_stream.js\" shall not be used with MOZCENTRAL builds.'\n  );\n}\n\nfunction createFetchOptions(headers, withCredentials, abortController) {\n  return {\n    method: \"GET\",\n    headers,\n    signal: abortController && abortController.signal,\n    mode: \"cors\",\n    credentials: withCredentials ? \"include\" : \"same-origin\",\n    redirect: \"follow\",\n  };\n}\n\nfunction createHeaders(httpHeaders) {\n  const headers = new Headers();\n  for (const property in httpHeaders) {\n    const value = httpHeaders[property];\n    if (typeof value === \"undefined\") {\n      continue;\n    }\n    headers.append(property, value);\n  }\n  return headers;\n}\n\n/** @implements {IPDFStream} */\nclass PDFFetchStream {\n  constructor(source) {\n    this.source = source;\n    this.isHttp = /^https?:/i.test(source.url);\n    this.httpHeaders = (this.isHttp && source.httpHeaders) || {};\n\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  get _progressiveDataLength() {\n    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFFetchStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFFetchStreamReader(this);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    if (end <= this._progressiveDataLength) {\n      return null;\n    }\n    const reader = new PDFFetchStreamRangeReader(this, begin, end);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFFetchStreamReader {\n  constructor(stream) {\n    this._stream = stream;\n    this._reader = null;\n    this._loaded = 0;\n    this._filename = null;\n    const source = stream.source;\n    this._withCredentials = source.withCredentials || false;\n    this._contentLength = source.length;\n    this._headersCapability = createPromiseCapability();\n    this._disableRange = source.disableRange || false;\n    this._rangeChunkSize = source.rangeChunkSize;\n    if (!this._rangeChunkSize && !this._disableRange) {\n      this._disableRange = true;\n    }\n\n    if (typeof AbortController !== \"undefined\") {\n      this._abortController = new AbortController();\n    }\n    this._isStreamingSupported = !source.disableStream;\n    this._isRangeSupported = !source.disableRange;\n\n    this._headers = createHeaders(this._stream.httpHeaders);\n\n    const url = source.url;\n    fetch(\n      url,\n      createFetchOptions(\n        this._headers,\n        this._withCredentials,\n        this._abortController\n      )\n    )\n      .then(response => {\n        if (!validateResponseStatus(response.status)) {\n          throw createResponseStatusError(response.status, url);\n        }\n        this._reader = response.body.getReader();\n        this._headersCapability.resolve();\n\n        const getResponseHeader = name => {\n          return response.headers.get(name);\n        };\n        const {\n          allowRangeRequests,\n          suggestedLength,\n        } = validateRangeRequestCapabilities({\n          getResponseHeader,\n          isHttp: this._stream.isHttp,\n          rangeChunkSize: this._rangeChunkSize,\n          disableRange: this._disableRange,\n        });\n\n        this._isRangeSupported = allowRangeRequests;\n        // Setting right content length.\n        this._contentLength = suggestedLength || this._contentLength;\n\n        this._filename = extractFilenameFromHeader(getResponseHeader);\n\n        // We need to stop reading when range is supported and streaming is\n        // disabled.\n        if (!this._isStreamingSupported && this._isRangeSupported) {\n          this.cancel(new AbortException(\"Streaming is disabled.\"));\n        }\n      })\n      .catch(this._headersCapability.reject);\n\n    this.onProgress = null;\n  }\n\n  get headersReady() {\n    return this._headersCapability.promise;\n  }\n\n  get filename() {\n    return this._filename;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._headersCapability.promise;\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value, done };\n    }\n    this._loaded += value.byteLength;\n    if (this.onProgress) {\n      this.onProgress({\n        loaded: this._loaded,\n        total: this._contentLength,\n      });\n    }\n    const buffer = new Uint8Array(value).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    if (this._reader) {\n      this._reader.cancel(reason);\n    }\n    if (this._abortController) {\n      this._abortController.abort();\n    }\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFFetchStreamRangeReader {\n  constructor(stream, begin, end) {\n    this._stream = stream;\n    this._reader = null;\n    this._loaded = 0;\n    const source = stream.source;\n    this._withCredentials = source.withCredentials || false;\n    this._readCapability = createPromiseCapability();\n    this._isStreamingSupported = !source.disableStream;\n\n    if (typeof AbortController !== \"undefined\") {\n      this._abortController = new AbortController();\n    }\n\n    this._headers = createHeaders(this._stream.httpHeaders);\n    this._headers.append(\"Range\", `bytes=${begin}-${end - 1}`);\n\n    const url = source.url;\n    fetch(\n      url,\n      createFetchOptions(\n        this._headers,\n        this._withCredentials,\n        this._abortController\n      )\n    )\n      .then(response => {\n        if (!validateResponseStatus(response.status)) {\n          throw createResponseStatusError(response.status, url);\n        }\n        this._readCapability.resolve();\n        this._reader = response.body.getReader();\n      })\n      .catch(reason => {\n        if (reason && reason.name === \"AbortError\") {\n          return;\n        }\n        throw reason;\n      });\n\n    this.onProgress = null;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  async read() {\n    await this._readCapability.promise;\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value, done };\n    }\n    this._loaded += value.byteLength;\n    if (this.onProgress) {\n      this.onProgress({ loaded: this._loaded });\n    }\n    const buffer = new Uint8Array(value).buffer;\n    return { value: buffer, done: false };\n  }\n\n  cancel(reason) {\n    if (this._reader) {\n      this._reader.cancel(reason);\n    }\n    if (this._abortController) {\n      this._abortController.abort();\n    }\n  }\n}\n\nexport { PDFFetchStream };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.min.js b/node_modules/pdfjs-dist/es5/build/pdf.min.js
new file mode 100644
index 00000000..3366e5ca
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+!function webpackUniversalModuleDefinition(t,r){"object"==typeof exports&&"object"==typeof module?module.exports=r():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf",[],r):"object"==typeof exports?exports["pdfjs-dist/build/pdf"]=r():t["pdfjs-dist/build/pdf"]=t.pdfjsLib=r()}(this,(function(){return function(t){var r={};function __w_pdfjs_require__(a){if(r[a])return r[a].exports;var o=r[a]={i:a,l:!1,exports:{}};t[a].call(o.exports,o,o.exports,__w_pdfjs_require__);o.l=!0;return o.exports}__w_pdfjs_require__.m=t;__w_pdfjs_require__.c=r;__w_pdfjs_require__.d=function(t,r,a){__w_pdfjs_require__.o(t,r)||Object.defineProperty(t,r,{enumerable:!0,get:a})};__w_pdfjs_require__.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"});Object.defineProperty(t,"__esModule",{value:!0})};__w_pdfjs_require__.t=function(t,r){1&r&&(t=__w_pdfjs_require__(t));if(8&r)return t;if(4&r&&"object"==typeof 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CreateAlgorithmFromUnderlyingMethod(t,r,a,o){var i=t[r];if(void 0!==i){if("function"!=typeof i)throw new TypeError(i+" is not a method");switch(a){case 0:return function(){return PromiseCall(i,t,o)};case 1:return function(r){var a=[r].concat(o);return PromiseCall(i,t,a)}}}return function(){return promiseResolvedWith(void 0)}}function InvokeOrNoop(t,r,a){var o=t[r];if(void 0!==o)return Call(o,t,a)}function PromiseCall(t,r,a){try{return promiseResolvedWith(Call(t,r,a))}catch(t){return promiseRejectedWith(t)}}function ValidateAndNormalizeHighWaterMark(t){t=Number(t);if(a(t)||t<0)throw new RangeError("highWaterMark property of a queuing strategy must be non-negative and non-NaN");return t}function MakeSizeAlgorithmFromSizeFunction(t){if(void 0===t)return function(){return 1};if("function"!=typeof t)throw new TypeError("size property of a queuing strategy must be a function");return function(r){return t(r)}}var i=Promise,l=Promise.prototype.then,c=Promise.resolve.bind(i),u=Promise.reject.bind(i);function newPromise(t){return new i(t)}function promiseResolvedWith(t){return c(t)}function promiseRejectedWith(t){return u(t)}function PerformPromiseThen(t,r,a){return l.call(t,r,a)}function uponPromise(t,r,a){PerformPromiseThen(PerformPromiseThen(t,r,a),void 0,o)}function uponFulfillment(t,r){uponPromise(t,r)}function uponRejection(t,r){uponPromise(t,void 0,r)}function transformPromiseWith(t,r,a){return PerformPromiseThen(t,r,a)}function setPromiseIsHandledToTrue(t){PerformPromiseThen(t,void 0,o)}var d=function(){function SimpleQueue(){this._cursor=0;this._size=0;this._front={_elements:[],_next:void 0};this._back=this._front;this._cursor=0;this._size=0}Object.defineProperty(SimpleQueue.prototype,"length",{get:function(){return this._size},enumerable:!0,configurable:!0});SimpleQueue.prototype.push=function(t){var r=this._back,a=r;16383===r._elements.length&&(a={_elements:[],_next:void 0});r._elements.push(t);if(a!==r){this._back=a;r._next=a}++this._size};SimpleQueue.prototype.shift=function(){var t=this._front,r=t,a=this._cursor,o=a+1,i=t._elements,l=i[a];if(16384===o){r=t._next;o=0}--this._size;this._cursor=o;t!==r&&(this._front=r);i[a]=void 0;return l};SimpleQueue.prototype.forEach=function(t){for(var r=this._cursor,a=this._front,o=a._elements;r!==o.length||void 0!==a._next;){if(r===o.length){r=0;if(0===(o=(a=a._next)._elements).length)break}t(o[r]);++r}};SimpleQueue.prototype.peek=function(){var t=this._front,r=this._cursor;return t._elements[r]};return SimpleQueue}();function ReadableStreamCreateReadResult(t,r,a){var o=null;!0===a&&(o=Object.prototype);var i=Object.create(o);i.value=t;i.done=r;return i}function ReadableStreamReaderGenericInitialize(t,r){t._forAuthorCode=!0;t._ownerReadableStream=r;r._reader=t;"readable"===r._state?defaultReaderClosedPromiseInitialize(t):"closed"===r._state?function defaultReaderClosedPromiseInitializeAsResolved(t){defaultReaderClosedPromiseInitialize(t);defaultReaderClosedPromiseResolve(t)}(t):defaultReaderClosedPromiseInitializeAsRejected(t,r._storedError)}function ReadableStreamReaderGenericCancel(t,r){return ReadableStreamCancel(t._ownerReadableStream,r)}function ReadableStreamReaderGenericRelease(t){"readable"===t._ownerReadableStream._state?defaultReaderClosedPromiseReject(t,new TypeError("Reader was released and can no longer be used to monitor the stream's closedness")):function defaultReaderClosedPromiseResetToRejected(t,r){defaultReaderClosedPromiseInitializeAsRejected(t,r)}(t,new TypeError("Reader was released and can no longer be used to monitor the stream's closedness"));t._ownerReadableStream._reader=void 0;t._ownerReadableStream=void 0}function readerLockException(t){return new TypeError("Cannot "+t+" a stream using a released reader")}function defaultReaderClosedPromiseInitialize(t){t._closedPromise=newPromise((function(r,a){t._closedPromise_resolve=r;t._closedPromise_reject=a}))}function defaultReaderClosedPromiseInitializeAsRejected(t,r){defaultReaderClosedPromiseInitialize(t);defaultReaderClosedPromiseReject(t,r)}function defaultReaderClosedPromiseReject(t,r){setPromiseIsHandledToTrue(t._closedPromise);t._closedPromise_reject(r);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0}function defaultReaderClosedPromiseResolve(t){t._closedPromise_resolve(void 0);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0}var h=r("[[CancelSteps]]"),p=r("[[PullSteps]]");function AcquireReadableStreamDefaultReader(t,r){void 0===r&&(r=!1);var a=new g(t);a._forAuthorCode=r;return a}function ReadableStreamAddReadRequest(t){return newPromise((function(r,a){var o={_resolve:r,_reject:a};t._reader._readRequests.push(o)}))}function ReadableStreamFulfillReadRequest(t,r,a){var o=t._reader;o._readRequests.shift()._resolve(ReadableStreamCreateReadResult(r,a,o._forAuthorCode))}function ReadableStreamGetNumReadRequests(t){return t._reader._readRequests.length}function ReadableStreamHasDefaultReader(t){var r=t._reader;return void 0!==r&&!!IsReadableStreamDefaultReader(r)}var m,v,g=function(){function ReadableStreamDefaultReader(t){if(!1===IsReadableStream(t))throw new TypeError("ReadableStreamDefaultReader can only be constructed with a ReadableStream instance");if(!0===IsReadableStreamLocked(t))throw new TypeError("This stream has already been locked for exclusive reading by another reader");ReadableStreamReaderGenericInitialize(this,t);this._readRequests=new d}Object.defineProperty(ReadableStreamDefaultReader.prototype,"closed",{get:function(){return IsReadableStreamDefaultReader(this)?this._closedPromise:promiseRejectedWith(defaultReaderBrandCheckException("closed"))},enumerable:!0,configurable:!0});ReadableStreamDefaultReader.prototype.cancel=function(t){return IsReadableStreamDefaultReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("cancel")):ReadableStreamReaderGenericCancel(this,t):promiseRejectedWith(defaultReaderBrandCheckException("cancel"))};ReadableStreamDefaultReader.prototype.read=function(){return IsReadableStreamDefaultReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("read from")):ReadableStreamDefaultReaderRead(this):promiseRejectedWith(defaultReaderBrandCheckException("read"))};ReadableStreamDefaultReader.prototype.releaseLock=function(){if(!IsReadableStreamDefaultReader(this))throw defaultReaderBrandCheckException("releaseLock");if(void 0!==this._ownerReadableStream){if(this._readRequests.length>0)throw new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled");ReadableStreamReaderGenericRelease(this)}};return ReadableStreamDefaultReader}();function IsReadableStreamDefaultReader(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_readRequests")}function ReadableStreamDefaultReaderRead(t){var r=t._ownerReadableStream;r._disturbed=!0;return"closed"===r._state?promiseResolvedWith(ReadableStreamCreateReadResult(void 0,!0,t._forAuthorCode)):"errored"===r._state?promiseRejectedWith(r._storedError):r._readableStreamController[p]()}function defaultReaderBrandCheckException(t){return new TypeError("ReadableStreamDefaultReader.prototype."+t+" can only be used on a ReadableStreamDefaultReader")}if("symbol"==typeof r.asyncIterator){v=((m={})[r.asyncIterator]=function(){return this},m);Object.defineProperty(v,r.asyncIterator,{enumerable:!1})}var y={next:function(){if(!1===IsReadableStreamAsyncIterator(this))return promiseRejectedWith(streamAsyncIteratorBrandCheckException("next"));var t=this._asyncIteratorReader;return void 0===t._ownerReadableStream?promiseRejectedWith(readerLockException("iterate")):transformPromiseWith(ReadableStreamDefaultReaderRead(t),(function(r){var a=r.done;a&&ReadableStreamReaderGenericRelease(t);return ReadableStreamCreateReadResult(r.value,a,!0)}))},return:function(t){if(!1===IsReadableStreamAsyncIterator(this))return promiseRejectedWith(streamAsyncIteratorBrandCheckException("next"));var r=this._asyncIteratorReader;if(void 0===r._ownerReadableStream)return promiseRejectedWith(readerLockException("finish iterating"));if(r._readRequests.length>0)return promiseRejectedWith(new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled"));if(!1===this._preventCancel){var a=ReadableStreamReaderGenericCancel(r,t);ReadableStreamReaderGenericRelease(r);return transformPromiseWith(a,(function(){return ReadableStreamCreateReadResult(t,!0,!0)}))}ReadableStreamReaderGenericRelease(r);return promiseResolvedWith(ReadableStreamCreateReadResult(t,!0,!0))}};void 0!==v&&Object.setPrototypeOf(y,v);Object.defineProperty(y,"next",{enumerable:!1});Object.defineProperty(y,"return",{enumerable:!1});function IsReadableStreamAsyncIterator(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_asyncIteratorReader")}function streamAsyncIteratorBrandCheckException(t){return new TypeError("ReadableStreamAsyncIterator."+t+" can only be used on a ReadableSteamAsyncIterator")}function DequeueValue(t){var r=t._queue.shift();t._queueTotalSize-=r.size;t._queueTotalSize<0&&(t._queueTotalSize=0);return r.value}function EnqueueValueWithSize(t,r,a){if(!IsFiniteNonNegativeNumber(a=Number(a)))throw new RangeError("Size must be a finite, non-NaN, non-negative number.");t._queue.push({value:r,size:a});t._queueTotalSize+=a}function ResetQueue(t){t._queue=new d;t._queueTotalSize=0}var b=r("[[AbortSteps]]"),_=r("[[ErrorSteps]]"),S=function(){function WritableStream(t,r){void 0===t&&(t={});void 0===r&&(r={});InitializeWritableStream(this);var a=r.size,o=r.highWaterMark;if(void 0!==t.type)throw new RangeError("Invalid type is specified");var i=MakeSizeAlgorithmFromSizeFunction(a);void 0===o&&(o=1);!function SetUpWritableStreamDefaultControllerFromUnderlyingSink(t,r,a,o){var i=Object.create(A.prototype),l=CreateAlgorithmFromUnderlyingMethod(r,"write",1,[i]),c=CreateAlgorithmFromUnderlyingMethod(r,"close",0,[]),u=CreateAlgorithmFromUnderlyingMethod(r,"abort",1,[]);SetUpWritableStreamDefaultController(t,i,(function startAlgorithm(){return InvokeOrNoop(r,"start",[i])}),l,c,u,a,o)}(this,t,o=ValidateAndNormalizeHighWaterMark(o),i)}Object.defineProperty(WritableStream.prototype,"locked",{get:function(){if(!1===IsWritableStream(this))throw streamBrandCheckException("locked");return IsWritableStreamLocked(this)},enumerable:!0,configurable:!0});WritableStream.prototype.abort=function(t){return!1===IsWritableStream(this)?promiseRejectedWith(streamBrandCheckException("abort")):!0===IsWritableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot abort a stream that already has a writer")):WritableStreamAbort(this,t)};WritableStream.prototype.close=function(){return!1===IsWritableStream(this)?promiseRejectedWith(streamBrandCheckException("close")):!0===IsWritableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot close a stream that already has a writer")):!0===WritableStreamCloseQueuedOrInFlight(this)?promiseRejectedWith(new TypeError("Cannot close an already-closing stream")):WritableStreamClose(this)};WritableStream.prototype.getWriter=function(){if(!1===IsWritableStream(this))throw streamBrandCheckException("getWriter");return AcquireWritableStreamDefaultWriter(this)};return WritableStream}();function AcquireWritableStreamDefaultWriter(t){return new C(t)}function InitializeWritableStream(t){t._state="writable";t._storedError=void 0;t._writer=void 0;t._writableStreamController=void 0;t._writeRequests=new d;t._inFlightWriteRequest=void 0;t._closeRequest=void 0;t._inFlightCloseRequest=void 0;t._pendingAbortRequest=void 0;t._backpressure=!1}function IsWritableStream(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_writableStreamController")}function IsWritableStreamLocked(t){return void 0!==t._writer}function WritableStreamAbort(t,r){var a=t._state;if("closed"===a||"errored"===a)return promiseResolvedWith(void 0);if(void 0!==t._pendingAbortRequest)return t._pendingAbortRequest._promise;var o=!1;if("erroring"===a){o=!0;r=void 0}var i=newPromise((function(a,i){t._pendingAbortRequest={_promise:void 0,_resolve:a,_reject:i,_reason:r,_wasAlreadyErroring:o}}));t._pendingAbortRequest._promise=i;!1===o&&WritableStreamStartErroring(t,r);return i}function WritableStreamClose(t){var r=t._state;if("closed"===r||"errored"===r)return promiseRejectedWith(new TypeError("The stream (in "+r+" state) is not in the writable state and cannot be closed"));var a=newPromise((function(r,a){var o={_resolve:r,_reject:a};t._closeRequest=o})),o=t._writer;void 0!==o&&!0===t._backpressure&&"writable"===r&&defaultWriterReadyPromiseResolve(o);!function WritableStreamDefaultControllerClose(t){EnqueueValueWithSize(t,"close",0);WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}(t._writableStreamController);return a}function WritableStreamDealWithRejection(t,r){"writable"!==t._state?WritableStreamFinishErroring(t):WritableStreamStartErroring(t,r)}function WritableStreamStartErroring(t,r){var a=t._writableStreamController;t._state="erroring";t._storedError=r;var o=t._writer;void 0!==o&&WritableStreamDefaultWriterEnsureReadyPromiseRejected(o,r);!1===function WritableStreamHasOperationMarkedInFlight(t){return void 0!==t._inFlightWriteRequest||void 0!==t._inFlightCloseRequest}(t)&&!0===a._started&&WritableStreamFinishErroring(t)}function WritableStreamFinishErroring(t){t._state="errored";t._writableStreamController[_]();var r=t._storedError;t._writeRequests.forEach((function(t){t._reject(r)}));t._writeRequests=new d;if(void 0!==t._pendingAbortRequest){var a=t._pendingAbortRequest;t._pendingAbortRequest=void 0;if(!0!==a._wasAlreadyErroring)uponPromise(t._writableStreamController[b](a._reason),(function(){a._resolve();WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}),(function(r){a._reject(r);WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}));else{a._reject(r);WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}}else WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}function WritableStreamCloseQueuedOrInFlight(t){return void 0!==t._closeRequest||void 0!==t._inFlightCloseRequest}function WritableStreamRejectCloseAndClosedPromiseIfNeeded(t){if(void 0!==t._closeRequest){t._closeRequest._reject(t._storedError);t._closeRequest=void 0}var r=t._writer;void 0!==r&&defaultWriterClosedPromiseReject(r,t._storedError)}function WritableStreamUpdateBackpressure(t,r){var a=t._writer;void 0!==a&&r!==t._backpressure&&(!0===r?function defaultWriterReadyPromiseReset(t){defaultWriterReadyPromiseInitialize(t)}(a):defaultWriterReadyPromiseResolve(a));t._backpressure=r}var C=function(){function WritableStreamDefaultWriter(t){if(!1===IsWritableStream(t))throw new TypeError("WritableStreamDefaultWriter can only be constructed with a WritableStream instance");if(!0===IsWritableStreamLocked(t))throw new TypeError("This stream has already been locked for exclusive writing by another writer");this._ownerWritableStream=t;t._writer=this;var r=t._state;if("writable"===r){!1===WritableStreamCloseQueuedOrInFlight(t)&&!0===t._backpressure?defaultWriterReadyPromiseInitialize(this):defaultWriterReadyPromiseInitializeAsResolved(this);defaultWriterClosedPromiseInitialize(this)}else if("erroring"===r){defaultWriterReadyPromiseInitializeAsRejected(this,t._storedError);defaultWriterClosedPromiseInitialize(this)}else if("closed"===r){defaultWriterReadyPromiseInitializeAsResolved(this);!function defaultWriterClosedPromiseInitializeAsResolved(t){defaultWriterClosedPromiseInitialize(t);defaultWriterClosedPromiseResolve(t)}(this)}else{var a=t._storedError;defaultWriterReadyPromiseInitializeAsRejected(this,a);defaultWriterClosedPromiseInitializeAsRejected(this,a)}}Object.defineProperty(WritableStreamDefaultWriter.prototype,"closed",{get:function(){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("closed")):this._closedPromise},enumerable:!0,configurable:!0});Object.defineProperty(WritableStreamDefaultWriter.prototype,"desiredSize",{get:function(){if(!1===IsWritableStreamDefaultWriter(this))throw defaultWriterBrandCheckException("desiredSize");if(void 0===this._ownerWritableStream)throw defaultWriterLockException("desiredSize");return function WritableStreamDefaultWriterGetDesiredSize(t){var r=t._ownerWritableStream,a=r._state;return"errored"===a||"erroring"===a?null:"closed"===a?0:WritableStreamDefaultControllerGetDesiredSize(r._writableStreamController)}(this)},enumerable:!0,configurable:!0});Object.defineProperty(WritableStreamDefaultWriter.prototype,"ready",{get:function(){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("ready")):this._readyPromise},enumerable:!0,configurable:!0});WritableStreamDefaultWriter.prototype.abort=function(t){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("abort")):void 0===this._ownerWritableStream?promiseRejectedWith(defaultWriterLockException("abort")):function WritableStreamDefaultWriterAbort(t,r){return WritableStreamAbort(t._ownerWritableStream,r)}(this,t)};WritableStreamDefaultWriter.prototype.close=function(){if(!1===IsWritableStreamDefaultWriter(this))return promiseRejectedWith(defaultWriterBrandCheckException("close"));var t=this._ownerWritableStream;return void 0===t?promiseRejectedWith(defaultWriterLockException("close")):!0===WritableStreamCloseQueuedOrInFlight(t)?promiseRejectedWith(new TypeError("Cannot close an already-closing stream")):WritableStreamDefaultWriterClose(this)};WritableStreamDefaultWriter.prototype.releaseLock=function(){if(!1===IsWritableStreamDefaultWriter(this))throw defaultWriterBrandCheckException("releaseLock");void 0!==this._ownerWritableStream&&WritableStreamDefaultWriterRelease(this)};WritableStreamDefaultWriter.prototype.write=function(t){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("write")):void 0===this._ownerWritableStream?promiseRejectedWith(defaultWriterLockException("write to")):WritableStreamDefaultWriterWrite(this,t)};return WritableStreamDefaultWriter}();function IsWritableStreamDefaultWriter(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_ownerWritableStream")}function WritableStreamDefaultWriterClose(t){return WritableStreamClose(t._ownerWritableStream)}function WritableStreamDefaultWriterEnsureClosedPromiseRejected(t,r){"pending"===t._closedPromiseState?defaultWriterClosedPromiseReject(t,r):function defaultWriterClosedPromiseResetToRejected(t,r){defaultWriterClosedPromiseInitializeAsRejected(t,r)}(t,r)}function WritableStreamDefaultWriterEnsureReadyPromiseRejected(t,r){"pending"===t._readyPromiseState?defaultWriterReadyPromiseReject(t,r):function defaultWriterReadyPromiseResetToRejected(t,r){defaultWriterReadyPromiseInitializeAsRejected(t,r)}(t,r)}function WritableStreamDefaultWriterRelease(t){var r=t._ownerWritableStream,a=new TypeError("Writer was released and can no longer be used to monitor the stream's closedness");WritableStreamDefaultWriterEnsureReadyPromiseRejected(t,a);WritableStreamDefaultWriterEnsureClosedPromiseRejected(t,a);r._writer=void 0;t._ownerWritableStream=void 0}function WritableStreamDefaultWriterWrite(t,r){var a=t._ownerWritableStream,o=a._writableStreamController,i=function WritableStreamDefaultControllerGetChunkSize(t,r){try{return t._strategySizeAlgorithm(r)}catch(r){WritableStreamDefaultControllerErrorIfNeeded(t,r);return 1}}(o,r);if(a!==t._ownerWritableStream)return promiseRejectedWith(defaultWriterLockException("write to"));var l=a._state;if("errored"===l)return promiseRejectedWith(a._storedError);if(!0===WritableStreamCloseQueuedOrInFlight(a)||"closed"===l)return promiseRejectedWith(new TypeError("The stream is closing or closed and cannot be written to"));if("erroring"===l)return promiseRejectedWith(a._storedError);var c=function WritableStreamAddWriteRequest(t){return newPromise((function(r,a){var o={_resolve:r,_reject:a};t._writeRequests.push(o)}))}(a);!function WritableStreamDefaultControllerWrite(t,r,a){var o={chunk:r};try{EnqueueValueWithSize(t,o,a)}catch(r){WritableStreamDefaultControllerErrorIfNeeded(t,r);return}var i=t._controlledWritableStream;if(!1===WritableStreamCloseQueuedOrInFlight(i)&&"writable"===i._state){var l=WritableStreamDefaultControllerGetBackpressure(t);WritableStreamUpdateBackpressure(i,l)}WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}(o,r,i);return c}var A=function(){function WritableStreamDefaultController(){throw new TypeError("WritableStreamDefaultController cannot be constructed explicitly")}WritableStreamDefaultController.prototype.error=function(t){if(!1===function IsWritableStreamDefaultController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledWritableStream")}(this))throw new TypeError("WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController");"writable"===this._controlledWritableStream._state&&WritableStreamDefaultControllerError(this,t)};WritableStreamDefaultController.prototype[b]=function(t){var r=this._abortAlgorithm(t);WritableStreamDefaultControllerClearAlgorithms(this);return r};WritableStreamDefaultController.prototype[_]=function(){ResetQueue(this)};return WritableStreamDefaultController}();function SetUpWritableStreamDefaultController(t,r,a,o,i,l,c,u){r._controlledWritableStream=t;t._writableStreamController=r;r._queue=void 0;r._queueTotalSize=void 0;ResetQueue(r);r._started=!1;r._strategySizeAlgorithm=u;r._strategyHWM=c;r._writeAlgorithm=o;r._closeAlgorithm=i;r._abortAlgorithm=l;var d=WritableStreamDefaultControllerGetBackpressure(r);WritableStreamUpdateBackpressure(t,d);uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;WritableStreamDefaultControllerAdvanceQueueIfNeeded(r)}),(function(a){r._started=!0;WritableStreamDealWithRejection(t,a)}))}function WritableStreamDefaultControllerClearAlgorithms(t){t._writeAlgorithm=void 0;t._closeAlgorithm=void 0;t._abortAlgorithm=void 0;t._strategySizeAlgorithm=void 0}function WritableStreamDefaultControllerGetDesiredSize(t){return t._strategyHWM-t._queueTotalSize}function WritableStreamDefaultControllerAdvanceQueueIfNeeded(t){var r=t._controlledWritableStream;if(!1!==t._started&&void 0===r._inFlightWriteRequest)if("erroring"!==r._state){if(0!==t._queue.length){var a=function PeekQueueValue(t){return t._queue.peek().value}(t);"close"===a?function WritableStreamDefaultControllerProcessClose(t){var r=t._controlledWritableStream;!function WritableStreamMarkCloseRequestInFlight(t){t._inFlightCloseRequest=t._closeRequest;t._closeRequest=void 0}(r);DequeueValue(t);var a=t._closeAlgorithm();WritableStreamDefaultControllerClearAlgorithms(t);uponPromise(a,(function(){!function WritableStreamFinishInFlightClose(t){t._inFlightCloseRequest._resolve(void 0);t._inFlightCloseRequest=void 0;if("erroring"===t._state){t._storedError=void 0;if(void 0!==t._pendingAbortRequest){t._pendingAbortRequest._resolve();t._pendingAbortRequest=void 0}}t._state="closed";var r=t._writer;void 0!==r&&defaultWriterClosedPromiseResolve(r)}(r)}),(function(t){!function WritableStreamFinishInFlightCloseWithError(t,r){t._inFlightCloseRequest._reject(r);t._inFlightCloseRequest=void 0;if(void 0!==t._pendingAbortRequest){t._pendingAbortRequest._reject(r);t._pendingAbortRequest=void 0}WritableStreamDealWithRejection(t,r)}(r,t)}))}(t):function WritableStreamDefaultControllerProcessWrite(t,r){var a=t._controlledWritableStream;!function WritableStreamMarkFirstWriteRequestInFlight(t){t._inFlightWriteRequest=t._writeRequests.shift()}(a);uponPromise(t._writeAlgorithm(r),(function(){!function WritableStreamFinishInFlightWrite(t){t._inFlightWriteRequest._resolve(void 0);t._inFlightWriteRequest=void 0}(a);var r=a._state;DequeueValue(t);if(!1===WritableStreamCloseQueuedOrInFlight(a)&&"writable"===r){var o=WritableStreamDefaultControllerGetBackpressure(t);WritableStreamUpdateBackpressure(a,o)}WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}),(function(r){"writable"===a._state&&WritableStreamDefaultControllerClearAlgorithms(t);!function WritableStreamFinishInFlightWriteWithError(t,r){t._inFlightWriteRequest._reject(r);t._inFlightWriteRequest=void 0;WritableStreamDealWithRejection(t,r)}(a,r)}))}(t,a.chunk)}}else WritableStreamFinishErroring(r)}function WritableStreamDefaultControllerErrorIfNeeded(t,r){"writable"===t._controlledWritableStream._state&&WritableStreamDefaultControllerError(t,r)}function WritableStreamDefaultControllerGetBackpressure(t){return WritableStreamDefaultControllerGetDesiredSize(t)<=0}function WritableStreamDefaultControllerError(t,r){var a=t._controlledWritableStream;WritableStreamDefaultControllerClearAlgorithms(t);WritableStreamStartErroring(a,r)}function streamBrandCheckException(t){return new TypeError("WritableStream.prototype."+t+" can only be used on a WritableStream")}function defaultWriterBrandCheckException(t){return new TypeError("WritableStreamDefaultWriter.prototype."+t+" can only be used on a WritableStreamDefaultWriter")}function defaultWriterLockException(t){return new TypeError("Cannot "+t+" a stream using a released writer")}function defaultWriterClosedPromiseInitialize(t){t._closedPromise=newPromise((function(r,a){t._closedPromise_resolve=r;t._closedPromise_reject=a;t._closedPromiseState="pending"}))}function defaultWriterClosedPromiseInitializeAsRejected(t,r){defaultWriterClosedPromiseInitialize(t);defaultWriterClosedPromiseReject(t,r)}function defaultWriterClosedPromiseReject(t,r){setPromiseIsHandledToTrue(t._closedPromise);t._closedPromise_reject(r);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0;t._closedPromiseState="rejected"}function defaultWriterClosedPromiseResolve(t){t._closedPromise_resolve(void 0);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0;t._closedPromiseState="resolved"}function defaultWriterReadyPromiseInitialize(t){t._readyPromise=newPromise((function(r,a){t._readyPromise_resolve=r;t._readyPromise_reject=a}));t._readyPromiseState="pending"}function defaultWriterReadyPromiseInitializeAsRejected(t,r){defaultWriterReadyPromiseInitialize(t);defaultWriterReadyPromiseReject(t,r)}function defaultWriterReadyPromiseInitializeAsResolved(t){defaultWriterReadyPromiseInitialize(t);defaultWriterReadyPromiseResolve(t)}function defaultWriterReadyPromiseReject(t,r){setPromiseIsHandledToTrue(t._readyPromise);t._readyPromise_reject(r);t._readyPromise_resolve=void 0;t._readyPromise_reject=void 0;t._readyPromiseState="rejected"}function defaultWriterReadyPromiseResolve(t){t._readyPromise_resolve(void 0);t._readyPromise_resolve=void 0;t._readyPromise_reject=void 0;t._readyPromiseState="fulfilled"}function isAbortSignal(t){if("object"!=typeof t||null===t)return!1;try{return"boolean"==typeof t.aborted}catch(t){return!1}}var R="undefined"!=typeof DOMException?DOMException:void 0,k=function isDOMExceptionConstructor(t){if("function"!=typeof t&&"object"!=typeof t)return!1;try{new t;return!0}catch(t){return!1}}(R)?R:function createDOMExceptionPolyfill(){var t=function DOMException(t,r){this.message=t||"";this.name=r||"Error";Error.captureStackTrace&&Error.captureStackTrace(this,this.constructor)};t.prototype=Object.create(Error.prototype);Object.defineProperty(t.prototype,"constructor",{value:t,writable:!0,configurable:!0});return t}();function ReadableStreamPipeTo(t,r,a,o,i,l){var c=AcquireReadableStreamDefaultReader(t),u=AcquireWritableStreamDefaultWriter(r);t._disturbed=!0;var d=!1,h=promiseResolvedWith(void 0);return newPromise((function(p,m){var v;if(void 0!==l){v=function(){var a=new k("Aborted","AbortError"),l=[];!1===o&&l.push((function(){return"writable"===r._state?WritableStreamAbort(r,a):promiseResolvedWith(void 0)}));!1===i&&l.push((function(){return"readable"===t._state?ReadableStreamCancel(t,a):promiseResolvedWith(void 0)}));shutdownWithAction((function(){return Promise.all(l.map((function(t){return t()})))}),!0,a)};if(!0===l.aborted){v();return}l.addEventListener("abort",v)}isOrBecomesErrored(t,c._closedPromise,(function(t){!1===o?shutdownWithAction((function(){return WritableStreamAbort(r,t)}),!0,t):shutdown(!0,t)}));isOrBecomesErrored(r,u._closedPromise,(function(r){!1===i?shutdownWithAction((function(){return ReadableStreamCancel(t,r)}),!0,r):shutdown(!0,r)}));!function isOrBecomesClosed(t,r,a){"closed"===t._state?a():uponFulfillment(r,a)}(t,c._closedPromise,(function(){!1===a?shutdownWithAction((function(){return function WritableStreamDefaultWriterCloseWithErrorPropagation(t){var r=t._ownerWritableStream,a=r._state;return!0===WritableStreamCloseQueuedOrInFlight(r)||"closed"===a?promiseResolvedWith(void 0):"errored"===a?promiseRejectedWith(r._storedError):WritableStreamDefaultWriterClose(t)}(u)})):shutdown()}));if(!0===WritableStreamCloseQueuedOrInFlight(r)||"closed"===r._state){var g=new TypeError("the destination writable stream closed before all data could be piped to it");!1===i?shutdownWithAction((function(){return ReadableStreamCancel(t,g)}),!0,g):shutdown(!0,g)}setPromiseIsHandledToTrue(function pipeLoop(){return newPromise((function(t,r){!function next(a){a?t():PerformPromiseThen(function pipeStep(){return!0===d?promiseResolvedWith(!0):PerformPromiseThen(u._readyPromise,(function(){return PerformPromiseThen(ReadableStreamDefaultReaderRead(c),(function(t){if(!0===t.done)return!0;h=PerformPromiseThen(WritableStreamDefaultWriterWrite(u,t.value),void 0,noop);return!1}))}))}(),next,r)}(!1)}))}());function waitForWritesToFinish(){var t=h;return PerformPromiseThen(h,(function(){return t!==h?waitForWritesToFinish():void 0}))}function isOrBecomesErrored(t,r,a){"errored"===t._state?a(t._storedError):uponRejection(r,a)}function shutdownWithAction(t,a,o){if(!0!==d){d=!0;"writable"===r._state&&!1===WritableStreamCloseQueuedOrInFlight(r)?uponFulfillment(waitForWritesToFinish(),doTheRest):doTheRest()}function doTheRest(){uponPromise(t(),(function(){return finalize(a,o)}),(function(t){return finalize(!0,t)}))}}function shutdown(t,a){if(!0!==d){d=!0;"writable"===r._state&&!1===WritableStreamCloseQueuedOrInFlight(r)?uponFulfillment(waitForWritesToFinish(),(function(){return finalize(t,a)})):finalize(t,a)}}function finalize(t,r){WritableStreamDefaultWriterRelease(u);ReadableStreamReaderGenericRelease(c);void 0!==l&&l.removeEventListener("abort",v);t?m(r):p(void 0)}}))}var w=function(){function ReadableStreamDefaultController(){throw new TypeError}Object.defineProperty(ReadableStreamDefaultController.prototype,"desiredSize",{get:function(){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("desiredSize");return ReadableStreamDefaultControllerGetDesiredSize(this)},enumerable:!0,configurable:!0});ReadableStreamDefaultController.prototype.close=function(){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("close");if(!1===ReadableStreamDefaultControllerCanCloseOrEnqueue(this))throw new TypeError("The stream is not in a state that permits close");ReadableStreamDefaultControllerClose(this)};ReadableStreamDefaultController.prototype.enqueue=function(t){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("enqueue");if(!1===ReadableStreamDefaultControllerCanCloseOrEnqueue(this))throw new TypeError("The stream is not in a state that permits enqueue");return ReadableStreamDefaultControllerEnqueue(this,t)};ReadableStreamDefaultController.prototype.error=function(t){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("error");ReadableStreamDefaultControllerError(this,t)};ReadableStreamDefaultController.prototype[h]=function(t){ResetQueue(this);var r=this._cancelAlgorithm(t);ReadableStreamDefaultControllerClearAlgorithms(this);return r};ReadableStreamDefaultController.prototype[p]=function(){var t=this._controlledReadableStream;if(this._queue.length>0){var r=DequeueValue(this);if(!0===this._closeRequested&&0===this._queue.length){ReadableStreamDefaultControllerClearAlgorithms(this);ReadableStreamClose(t)}else ReadableStreamDefaultControllerCallPullIfNeeded(this);return promiseResolvedWith(ReadableStreamCreateReadResult(r,!1,t._reader._forAuthorCode))}var a=ReadableStreamAddReadRequest(t);ReadableStreamDefaultControllerCallPullIfNeeded(this);return a};return ReadableStreamDefaultController}();function IsReadableStreamDefaultController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledReadableStream")}function ReadableStreamDefaultControllerCallPullIfNeeded(t){if(!1!==ReadableStreamDefaultControllerShouldCallPull(t))if(!0!==t._pulling){t._pulling=!0;uponPromise(t._pullAlgorithm(),(function(){t._pulling=!1;if(!0===t._pullAgain){t._pullAgain=!1;ReadableStreamDefaultControllerCallPullIfNeeded(t)}}),(function(r){ReadableStreamDefaultControllerError(t,r)}))}else t._pullAgain=!0}function ReadableStreamDefaultControllerShouldCallPull(t){var r=t._controlledReadableStream;return!1!==ReadableStreamDefaultControllerCanCloseOrEnqueue(t)&&!1!==t._started&&(!0===IsReadableStreamLocked(r)&&ReadableStreamGetNumReadRequests(r)>0||ReadableStreamDefaultControllerGetDesiredSize(t)>0)}function ReadableStreamDefaultControllerClearAlgorithms(t){t._pullAlgorithm=void 0;t._cancelAlgorithm=void 0;t._strategySizeAlgorithm=void 0}function ReadableStreamDefaultControllerClose(t){var r=t._controlledReadableStream;t._closeRequested=!0;if(0===t._queue.length){ReadableStreamDefaultControllerClearAlgorithms(t);ReadableStreamClose(r)}}function ReadableStreamDefaultControllerEnqueue(t,r){var a=t._controlledReadableStream;if(!0===IsReadableStreamLocked(a)&&ReadableStreamGetNumReadRequests(a)>0)ReadableStreamFulfillReadRequest(a,r,!1);else{var o=void 0;try{o=t._strategySizeAlgorithm(r)}catch(r){ReadableStreamDefaultControllerError(t,r);throw r}try{EnqueueValueWithSize(t,r,o)}catch(r){ReadableStreamDefaultControllerError(t,r);throw r}}ReadableStreamDefaultControllerCallPullIfNeeded(t)}function ReadableStreamDefaultControllerError(t,r){var a=t._controlledReadableStream;if("readable"===a._state){ResetQueue(t);ReadableStreamDefaultControllerClearAlgorithms(t);ReadableStreamError(a,r)}}function ReadableStreamDefaultControllerGetDesiredSize(t){var r=t._controlledReadableStream._state;return"errored"===r?null:"closed"===r?0:t._strategyHWM-t._queueTotalSize}function ReadableStreamDefaultControllerCanCloseOrEnqueue(t){var r=t._controlledReadableStream._state;return!1===t._closeRequested&&"readable"===r}function SetUpReadableStreamDefaultController(t,r,a,o,i,l,c){r._controlledReadableStream=t;r._queue=void 0;r._queueTotalSize=void 0;ResetQueue(r);r._started=!1;r._closeRequested=!1;r._pullAgain=!1;r._pulling=!1;r._strategySizeAlgorithm=c;r._strategyHWM=l;r._pullAlgorithm=o;r._cancelAlgorithm=i;t._readableStreamController=r;uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;ReadableStreamDefaultControllerCallPullIfNeeded(r)}),(function(t){ReadableStreamDefaultControllerError(r,t)}))}function defaultControllerBrandCheckException(t){return new TypeError("ReadableStreamDefaultController.prototype."+t+" can only be used on a ReadableStreamDefaultController")}var P=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},x=function(){function ReadableStreamBYOBRequest(){throw new TypeError("ReadableStreamBYOBRequest cannot be used directly")}Object.defineProperty(ReadableStreamBYOBRequest.prototype,"view",{get:function(){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("view");return this._view},enumerable:!0,configurable:!0});ReadableStreamBYOBRequest.prototype.respond=function(t){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("respond");if(void 0===this._associatedReadableByteStreamController)throw new TypeError("This BYOB request has been invalidated");this._view.buffer;!function ReadableByteStreamControllerRespond(t,r){if(!1===IsFiniteNonNegativeNumber(r=Number(r)))throw new RangeError("bytesWritten must be a finite");ReadableByteStreamControllerRespondInternal(t,r)}(this._associatedReadableByteStreamController,t)};ReadableStreamBYOBRequest.prototype.respondWithNewView=function(t){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("respond");if(void 0===this._associatedReadableByteStreamController)throw new TypeError("This BYOB request has been invalidated");if(!ArrayBuffer.isView(t))throw new TypeError("You can only respond with array buffer views");t.buffer;!function ReadableByteStreamControllerRespondWithNewView(t,r){var a=t._pendingPullIntos.peek();if(a.byteOffset+a.bytesFilled!==r.byteOffset)throw new RangeError("The region specified by view does not match byobRequest");if(a.byteLength!==r.byteLength)throw new RangeError("The buffer of view has different capacity than byobRequest");a.buffer=r.buffer;ReadableByteStreamControllerRespondInternal(t,r.byteLength)}(this._associatedReadableByteStreamController,t)};return ReadableStreamBYOBRequest}(),T=function(){function ReadableByteStreamController(){throw new TypeError("ReadableByteStreamController constructor cannot be used directly")}Object.defineProperty(ReadableByteStreamController.prototype,"byobRequest",{get:function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("byobRequest");if(void 0===this._byobRequest&&this._pendingPullIntos.length>0){var t=this._pendingPullIntos.peek(),r=new Uint8Array(t.buffer,t.byteOffset+t.bytesFilled,t.byteLength-t.bytesFilled),a=Object.create(x.prototype);!function SetUpReadableStreamBYOBRequest(t,r,a){t._associatedReadableByteStreamController=r;t._view=a}(a,this,r);this._byobRequest=a}return this._byobRequest},enumerable:!0,configurable:!0});Object.defineProperty(ReadableByteStreamController.prototype,"desiredSize",{get:function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("desiredSize");return ReadableByteStreamControllerGetDesiredSize(this)},enumerable:!0,configurable:!0});ReadableByteStreamController.prototype.close=function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("close");if(!0===this._closeRequested)throw new TypeError("The stream has already been closed; do not close it again!");var t=this._controlledReadableByteStream._state;if("readable"!==t)throw new TypeError("The stream (in "+t+" state) is not in the readable state and cannot be closed");!function ReadableByteStreamControllerClose(t){var r=t._controlledReadableByteStream;if(t._queueTotalSize>0)t._closeRequested=!0;else{if(t._pendingPullIntos.length>0&&t._pendingPullIntos.peek().bytesFilled>0){var a=new TypeError("Insufficient bytes to fill elements in the given buffer");ReadableByteStreamControllerError(t,a);throw a}ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamClose(r)}}(this)};ReadableByteStreamController.prototype.enqueue=function(t){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("enqueue");if(!0===this._closeRequested)throw new TypeError("stream is closed or draining");var r=this._controlledReadableByteStream._state;if("readable"!==r)throw new TypeError("The stream (in "+r+" state) is not in the readable state and cannot be enqueued to");if(!ArrayBuffer.isView(t))throw new TypeError("You can only enqueue array buffer views when using a ReadableByteStreamController");t.buffer;!function ReadableByteStreamControllerEnqueue(t,r){var a=t._controlledReadableByteStream,o=r.buffer,i=r.byteOffset,l=r.byteLength,c=o;if(!0===ReadableStreamHasDefaultReader(a))if(0===ReadableStreamGetNumReadRequests(a))ReadableByteStreamControllerEnqueueChunkToQueue(t,c,i,l);else{var u=new Uint8Array(c,i,l);ReadableStreamFulfillReadRequest(a,u,!1)}else if(!0===ReadableStreamHasBYOBReader(a)){ReadableByteStreamControllerEnqueueChunkToQueue(t,c,i,l);ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t)}else ReadableByteStreamControllerEnqueueChunkToQueue(t,c,i,l);ReadableByteStreamControllerCallPullIfNeeded(t)}(this,t)};ReadableByteStreamController.prototype.error=function(t){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("error");ReadableByteStreamControllerError(this,t)};ReadableByteStreamController.prototype[h]=function(t){this._pendingPullIntos.length>0&&(this._pendingPullIntos.peek().bytesFilled=0);ResetQueue(this);var r=this._cancelAlgorithm(t);ReadableByteStreamControllerClearAlgorithms(this);return r};ReadableByteStreamController.prototype[p]=function(){var t=this._controlledReadableByteStream;if(this._queueTotalSize>0){var r=this._queue.shift();this._queueTotalSize-=r.byteLength;ReadableByteStreamControllerHandleQueueDrain(this);var a=void 0;try{a=new Uint8Array(r.buffer,r.byteOffset,r.byteLength)}catch(t){return promiseRejectedWith(t)}return promiseResolvedWith(ReadableStreamCreateReadResult(a,!1,t._reader._forAuthorCode))}var o=this._autoAllocateChunkSize;if(void 0!==o){var i=void 0;try{i=new ArrayBuffer(o)}catch(t){return promiseRejectedWith(t)}var l={buffer:i,byteOffset:0,byteLength:o,bytesFilled:0,elementSize:1,ctor:Uint8Array,readerType:"default"};this._pendingPullIntos.push(l)}var c=ReadableStreamAddReadRequest(t);ReadableByteStreamControllerCallPullIfNeeded(this);return c};return ReadableByteStreamController}();function IsReadableByteStreamController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledReadableByteStream")}function IsReadableStreamBYOBRequest(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_associatedReadableByteStreamController")}function ReadableByteStreamControllerCallPullIfNeeded(t){if(!1!==function ReadableByteStreamControllerShouldCallPull(t){var r=t._controlledReadableByteStream;return"readable"===r._state&&(!0!==t._closeRequested&&(!1!==t._started&&(!0===ReadableStreamHasDefaultReader(r)&&ReadableStreamGetNumReadRequests(r)>0||(!0===ReadableStreamHasBYOBReader(r)&&ReadableStreamGetNumReadIntoRequests(r)>0||ReadableByteStreamControllerGetDesiredSize(t)>0))))}(t))if(!0!==t._pulling){t._pulling=!0;uponPromise(t._pullAlgorithm(),(function(){t._pulling=!1;if(!0===t._pullAgain){t._pullAgain=!1;ReadableByteStreamControllerCallPullIfNeeded(t)}}),(function(r){ReadableByteStreamControllerError(t,r)}))}else t._pullAgain=!0}function ReadableByteStreamControllerCommitPullIntoDescriptor(t,r){var a=!1;"closed"===t._state&&(a=!0);var o=ReadableByteStreamControllerConvertPullIntoDescriptor(r);"default"===r.readerType?ReadableStreamFulfillReadRequest(t,o,a):function ReadableStreamFulfillReadIntoRequest(t,r,a){var o=t._reader;o._readIntoRequests.shift()._resolve(ReadableStreamCreateReadResult(r,a,o._forAuthorCode))}(t,o,a)}function ReadableByteStreamControllerConvertPullIntoDescriptor(t){var r=t.bytesFilled,a=t.elementSize;return new t.ctor(t.buffer,t.byteOffset,r/a)}function ReadableByteStreamControllerEnqueueChunkToQueue(t,r,a,o){t._queue.push({buffer:r,byteOffset:a,byteLength:o});t._queueTotalSize+=o}function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,r){var a=r.elementSize,o=r.bytesFilled-r.bytesFilled%a,i=Math.min(t._queueTotalSize,r.byteLength-r.bytesFilled),l=r.bytesFilled+i,c=l-l%a,u=i,d=!1;if(c>o){u=c-r.bytesFilled;d=!0}for(var h,p,m,v,g,y=t._queue;u>0;){var b=y.peek(),_=Math.min(u,b.byteLength),S=r.byteOffset+r.bytesFilled;h=r.buffer,p=S,m=b.buffer,v=b.byteOffset,g=_,new Uint8Array(h).set(new Uint8Array(m,v,g),p);if(b.byteLength===_)y.shift();else{b.byteOffset+=_;b.byteLength-=_}t._queueTotalSize-=_;ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,_,r);u-=_}return d}function ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,r,a){ReadableByteStreamControllerInvalidateBYOBRequest(t);a.bytesFilled+=r}function ReadableByteStreamControllerHandleQueueDrain(t){if(0===t._queueTotalSize&&!0===t._closeRequested){ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamClose(t._controlledReadableByteStream)}else ReadableByteStreamControllerCallPullIfNeeded(t)}function ReadableByteStreamControllerInvalidateBYOBRequest(t){if(void 0!==t._byobRequest){t._byobRequest._associatedReadableByteStreamController=void 0;t._byobRequest._view=void 0;t._byobRequest=void 0}}function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t){for(;t._pendingPullIntos.length>0;){if(0===t._queueTotalSize)return;var r=t._pendingPullIntos.peek();if(!0===ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,r)){ReadableByteStreamControllerShiftPendingPullInto(t);ReadableByteStreamControllerCommitPullIntoDescriptor(t._controlledReadableByteStream,r)}}}function ReadableByteStreamControllerRespondInternal(t,r){var a=t._pendingPullIntos.peek();if("closed"===t._controlledReadableByteStream._state){if(0!==r)throw new TypeError("bytesWritten must be 0 when calling respond() on a closed stream");!function ReadableByteStreamControllerRespondInClosedState(t,r){r.buffer=r.buffer;var a=t._controlledReadableByteStream;if(!0===ReadableStreamHasBYOBReader(a))for(;ReadableStreamGetNumReadIntoRequests(a)>0;)ReadableByteStreamControllerCommitPullIntoDescriptor(a,ReadableByteStreamControllerShiftPendingPullInto(t))}(t,a)}else!function ReadableByteStreamControllerRespondInReadableState(t,r,a){if(a.bytesFilled+r>a.byteLength)throw new RangeError("bytesWritten out of range");ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,r,a);if(!(a.bytesFilled<a.elementSize)){ReadableByteStreamControllerShiftPendingPullInto(t);var o=a.bytesFilled%a.elementSize;if(o>0){var i=a.byteOffset+a.bytesFilled,l=a.buffer.slice(i-o,i);ReadableByteStreamControllerEnqueueChunkToQueue(t,l,0,l.byteLength)}a.buffer=a.buffer;a.bytesFilled-=o;ReadableByteStreamControllerCommitPullIntoDescriptor(t._controlledReadableByteStream,a);ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t)}}(t,r,a);ReadableByteStreamControllerCallPullIfNeeded(t)}function ReadableByteStreamControllerShiftPendingPullInto(t){var r=t._pendingPullIntos.shift();ReadableByteStreamControllerInvalidateBYOBRequest(t);return r}function ReadableByteStreamControllerClearAlgorithms(t){t._pullAlgorithm=void 0;t._cancelAlgorithm=void 0}function ReadableByteStreamControllerError(t,r){var a=t._controlledReadableByteStream;if("readable"===a._state){!function ReadableByteStreamControllerClearPendingPullIntos(t){ReadableByteStreamControllerInvalidateBYOBRequest(t);t._pendingPullIntos=new d}(t);ResetQueue(t);ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamError(a,r)}}function ReadableByteStreamControllerGetDesiredSize(t){var r=t._controlledReadableByteStream._state;return"errored"===r?null:"closed"===r?0:t._strategyHWM-t._queueTotalSize}function SetUpReadableByteStreamControllerFromUnderlyingSource(t,r,a){var o=Object.create(T.prototype),i=CreateAlgorithmFromUnderlyingMethod(r,"pull",0,[o]),l=CreateAlgorithmFromUnderlyingMethod(r,"cancel",1,[]),c=r.autoAllocateChunkSize;if(void 0!==c){c=Number(c);if(!1===P(c)||c<=0)throw new RangeError("autoAllocateChunkSize must be a positive integer")}!function SetUpReadableByteStreamController(t,r,a,o,i,l,c){r._controlledReadableByteStream=t;r._pullAgain=!1;r._pulling=!1;r._byobRequest=void 0;r._queue=r._queueTotalSize=void 0;ResetQueue(r);r._closeRequested=!1;r._started=!1;r._strategyHWM=ValidateAndNormalizeHighWaterMark(l);r._pullAlgorithm=o;r._cancelAlgorithm=i;r._autoAllocateChunkSize=c;r._pendingPullIntos=new d;t._readableStreamController=r;uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;ReadableByteStreamControllerCallPullIfNeeded(r)}),(function(t){ReadableByteStreamControllerError(r,t)}))}(t,o,(function startAlgorithm(){return InvokeOrNoop(r,"start",[o])}),i,l,a,c)}function byobRequestBrandCheckException(t){return new TypeError("ReadableStreamBYOBRequest.prototype."+t+" can only be used on a ReadableStreamBYOBRequest")}function byteStreamControllerBrandCheckException(t){return new TypeError("ReadableByteStreamController.prototype."+t+" can only be used on a ReadableByteStreamController")}function ReadableStreamAddReadIntoRequest(t){return newPromise((function(r,a){var o={_resolve:r,_reject:a};t._reader._readIntoRequests.push(o)}))}function ReadableStreamGetNumReadIntoRequests(t){return t._reader._readIntoRequests.length}function ReadableStreamHasBYOBReader(t){var r=t._reader;return void 0!==r&&!!IsReadableStreamBYOBReader(r)}var E=function(){function ReadableStreamBYOBReader(t){if(!IsReadableStream(t))throw new TypeError("ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a byte source");if(!1===IsReadableByteStreamController(t._readableStreamController))throw new TypeError("Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte source");if(IsReadableStreamLocked(t))throw new TypeError("This stream has already been locked for exclusive reading by another reader");ReadableStreamReaderGenericInitialize(this,t);this._readIntoRequests=new d}Object.defineProperty(ReadableStreamBYOBReader.prototype,"closed",{get:function(){return IsReadableStreamBYOBReader(this)?this._closedPromise:promiseRejectedWith(byobReaderBrandCheckException("closed"))},enumerable:!0,configurable:!0});ReadableStreamBYOBReader.prototype.cancel=function(t){return IsReadableStreamBYOBReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("cancel")):ReadableStreamReaderGenericCancel(this,t):promiseRejectedWith(byobReaderBrandCheckException("cancel"))};ReadableStreamBYOBReader.prototype.read=function(t){if(!IsReadableStreamBYOBReader(this))return promiseRejectedWith(byobReaderBrandCheckException("read"));if(void 0===this._ownerReadableStream)return promiseRejectedWith(readerLockException("read from"));if(!ArrayBuffer.isView(t))return promiseRejectedWith(new TypeError("view must be an array buffer view"));t.buffer;return 0===t.byteLength?promiseRejectedWith(new TypeError("view must have non-zero byteLength")):function ReadableStreamBYOBReaderRead(t,r){var a=t._ownerReadableStream;a._disturbed=!0;return"errored"===a._state?promiseRejectedWith(a._storedError):function ReadableByteStreamControllerPullInto(t,r){var a=t._controlledReadableByteStream,o=1;r.constructor!==DataView&&(o=r.constructor.BYTES_PER_ELEMENT);var i=r.constructor,l={buffer:r.buffer,byteOffset:r.byteOffset,byteLength:r.byteLength,bytesFilled:0,elementSize:o,ctor:i,readerType:"byob"};if(t._pendingPullIntos.length>0){t._pendingPullIntos.push(l);return ReadableStreamAddReadIntoRequest(a)}if("closed"===a._state)return promiseResolvedWith(ReadableStreamCreateReadResult(new i(l.buffer,l.byteOffset,0),!0,a._reader._forAuthorCode));if(t._queueTotalSize>0){if(!0===ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,l)){var c=ReadableByteStreamControllerConvertPullIntoDescriptor(l);ReadableByteStreamControllerHandleQueueDrain(t);return promiseResolvedWith(ReadableStreamCreateReadResult(c,!1,a._reader._forAuthorCode))}if(!0===t._closeRequested){var u=new TypeError("Insufficient bytes to fill elements in the given buffer");ReadableByteStreamControllerError(t,u);return promiseRejectedWith(u)}}t._pendingPullIntos.push(l);var d=ReadableStreamAddReadIntoRequest(a);ReadableByteStreamControllerCallPullIfNeeded(t);return 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IsReadableStreamLocked(this)},enumerable:!0,configurable:!0});ReadableStream.prototype.cancel=function(t){return!1===IsReadableStream(this)?promiseRejectedWith(streamBrandCheckException$1("cancel")):!0===IsReadableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot cancel a stream that already has a reader")):ReadableStreamCancel(this,t)};ReadableStream.prototype.getReader=function(t){var r=(void 0===t?{}:t).mode;if(!1===IsReadableStream(this))throw streamBrandCheckException$1("getReader");if(void 0===r)return AcquireReadableStreamDefaultReader(this,!0);if("byob"===(r=String(r)))return function AcquireReadableStreamBYOBReader(t,r){void 0===r&&(r=!1);var a=new E(t);a._forAuthorCode=r;return a}(this,!0);throw new RangeError("Invalid mode is specified")};ReadableStream.prototype.pipeThrough=function(t,r){var a=t.writable,o=t.readable,i=void 0===r?{}:r,l=i.preventClose,c=i.preventAbort,u=i.preventCancel,d=i.signal;if(!1===IsReadableStream(this))throw 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l=Object.create(O.prototype);InitializeReadableStream(l);SetUpReadableStreamDefaultController(l,Object.create(w.prototype),t,r,a,o,i);return l}function InitializeReadableStream(t){t._state="readable";t._reader=void 0;t._storedError=void 0;t._disturbed=!1}function IsReadableStream(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_readableStreamController")}function IsReadableStreamLocked(t){return void 0!==t._reader}function ReadableStreamCancel(t,r){t._disturbed=!0;if("closed"===t._state)return promiseResolvedWith(void 0);if("errored"===t._state)return promiseRejectedWith(t._storedError);ReadableStreamClose(t);return transformPromiseWith(t._readableStreamController[h](r),noop)}function ReadableStreamClose(t){t._state="closed";var r=t._reader;if(void 0!==r){if(IsReadableStreamDefaultReader(r)){r._readRequests.forEach((function(t){t._resolve(ReadableStreamCreateReadResult(void 0,!0,r._forAuthorCode))}));r._readRequests=new 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asyncGeneratorStep(t,r,a,o,i,l,c){try{var u=t[l](c),d=u.value}catch(t){a(t);return}u.done?r(d):Promise.resolve(d).then(o,i)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(o,i){var l=t.apply(r,a);function _next(t){asyncGeneratorStep(l,o,i,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(l,o,i,_next,_throw,"throw",t)}_next(void 0)}))}}function _toConsumableArray(t){return _arrayWithoutHoles(t)||_iterableToArray(t)||_unsupportedIterableToArray(t)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _iterableToArray(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}function _arrayWithoutHoles(t){if(Array.isArray(t))return _arrayLikeToArray(t)}function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof 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_createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}function _slicedToArray(t,r){return _arrayWithHoles(t)||_iterableToArrayLimit(t,r)||_unsupportedIterableToArray(t,r)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(t,r){if(t){if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);return"Map"===a||"Set"===a?Array.from(t):"Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a)?_arrayLikeToArray(t,r):void 0}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,o=new Array(r);a<r;a++)o[a]=t[a];return o}function _iterableToArrayLimit(t,r){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t)){var a=[],o=!0,i=!1,l=void 0;try{for(var c,u=t[Symbol.iterator]();!(o=(c=u.next()).done);o=!0){a.push(c.value);if(r&&a.length===r)break}}catch(t){i=!0;l=t}finally{try{o||null==u.return||u.return()}finally{if(i)throw l}}return a}}function _arrayWithHoles(t){if(Array.isArray(t))return t}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var DEFAULT_RANGE_CHUNK_SIZE=65536,RENDERING_CANCELLED_TIMEOUT=100,DefaultCanvasFactory=_is_node.isNodeJS?_node_utils.NodeCanvasFactory:_display_utils.DOMCanvasFactory,DefaultCMapReaderFactory=_is_node.isNodeJS?_node_utils.NodeCMapReaderFactory:_display_utils.DOMCMapReaderFactory,createPDFNetworkStream;function setPDFNetworkStreamFactory(t){createPDFNetworkStream=t}function getDocument(t){var r,a=new PDFDocumentLoadingTask;if("string"==typeof t)r={url:t};else if((0,_util.isArrayBuffer)(t))r={data:t};else if(t instanceof PDFDataRangeTransport)r={range:t};else{if("object"!==_typeof(t))throw new Error("Invalid parameter in getDocument, need either Uint8Array, string or a parameter object");if(!t.url&&!t.data&&!t.range)throw new Error("Invalid parameter object: need either .data, .range or .url");r=t}var o=Object.create(null),i=null,l=null;for(var c in r)if("url"!==c||"undefined"==typeof window)if("range"!==c)if("worker"!==c)if("data"!==c||r[c]instanceof Uint8Array)o[c]=r[c];else{var u=r[c];if("string"==typeof u)o[c]=(0,_util.stringToBytes)(u);else if("object"!==_typeof(u)||null===u||isNaN(u.length)){if(!(0,_util.isArrayBuffer)(u))throw new Error("Invalid PDF binary data: either typed array, string or array-like object is expected in the data property.");o[c]=new Uint8Array(u)}else o[c]=new Uint8Array(u)}else l=r[c];else i=r[c];else o[c]=new URL(r[c],window.location).href;o.rangeChunkSize=o.rangeChunkSize||DEFAULT_RANGE_CHUNK_SIZE;o.CMapReaderFactory=o.CMapReaderFactory||DefaultCMapReaderFactory;o.ignoreErrors=!0!==o.stopAtErrors;o.fontExtraProperties=!0===o.fontExtraProperties;o.pdfBug=!0===o.pdfBug;Number.isInteger(o.maxImageSize)||(o.maxImageSize=-1);"boolean"!=typeof o.isEvalSupported&&(o.isEvalSupported=!0);"boolean"!=typeof o.disableFontFace&&(o.disableFontFace=_api_compatibility.apiCompatibilityParams.disableFontFace||!1);void 0===o.ownerDocument&&(o.ownerDocument=globalThis.document);"boolean"!=typeof o.disableRange&&(o.disableRange=!1);"boolean"!=typeof o.disableStream&&(o.disableStream=!1);"boolean"!=typeof o.disableAutoFetch&&(o.disableAutoFetch=!1);(0,_util.setVerbosityLevel)(o.verbosity);if(!l){var d={verbosity:o.verbosity,port:_worker_options.GlobalWorkerOptions.workerPort};l=d.port?PDFWorker.fromPort(d):new PDFWorker(d);a._worker=l}var h=a.docId;l.promise.then((function(){if(a.destroyed)throw new Error("Loading aborted");var t=_fetchDocument(l,o,i,h),r=new Promise((function(t){var r;i?r=new _transport_stream.PDFDataTransportStream({length:o.length,initialData:o.initialData,progressiveDone:o.progressiveDone,disableRange:o.disableRange,disableStream:o.disableStream},i):o.data||(r=createPDFNetworkStream({url:o.url,length:o.length,httpHeaders:o.httpHeaders,withCredentials:o.withCredentials,rangeChunkSize:o.rangeChunkSize,disableRange:o.disableRange,disableStream:o.disableStream}));t(r)}));return Promise.all([t,r]).then((function(t){var r=_slicedToArray(t,2),i=r[0],c=r[1];if(a.destroyed)throw new Error("Loading aborted");var u=new _message_handler.MessageHandler(h,i,l.port);u.postMessageTransfers=l.postMessageTransfers;var d=new WorkerTransport(u,a,c,o);a._transport=d;u.send("Ready",null)}))})).catch(a._capability.reject);return a}function _fetchDocument(t,r,a,o){if(t.destroyed)return Promise.reject(new Error("Worker was destroyed"));if(a){r.length=a.length;r.initialData=a.initialData;r.progressiveDone=a.progressiveDone}return t.messageHandler.sendWithPromise("GetDocRequest",{docId:o,apiVersion:"2.6.347",source:{data:r.data,url:r.url,password:r.password,disableAutoFetch:r.disableAutoFetch,rangeChunkSize:r.rangeChunkSize,length:r.length},maxImageSize:r.maxImageSize,disableFontFace:r.disableFontFace,postMessageTransfers:t.postMessageTransfers,docBaseUrl:r.docBaseUrl,ignoreErrors:r.ignoreErrors,isEvalSupported:r.isEvalSupported,fontExtraProperties:r.fontExtraProperties}).then((function(r){if(t.destroyed)throw new Error("Worker was destroyed");return r}))}var PDFDocumentLoadingTask=function PDFDocumentLoadingTaskClosure(){var t=0;return function(){function PDFDocumentLoadingTask(){_classCallCheck(this,PDFDocumentLoadingTask);this._capability=(0,_util.createPromiseCapability)();this._transport=null;this._worker=null;this.docId="d"+t++;this.destroyed=!1;this.onPassword=null;this.onProgress=null;this.onUnsupportedFeature=null}_createClass(PDFDocumentLoadingTask,[{key:"destroy",value:function destroy(){var t=this;this.destroyed=!0;return(this._transport?this._transport.destroy():Promise.resolve()).then((function(){t._transport=null;if(t._worker){t._worker.destroy();t._worker=null}}))}},{key:"promise",get:function get(){return this._capability.promise}}]);return PDFDocumentLoadingTask}()}(),PDFDataRangeTransport=function(){function PDFDataRangeTransport(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2];_classCallCheck(this,PDFDataRangeTransport);this.length=t;this.initialData=r;this.progressiveDone=a;this._rangeListeners=[];this._progressListeners=[];this._progressiveReadListeners=[];this._progressiveDoneListeners=[];this._readyCapability=(0,_util.createPromiseCapability)()}_createClass(PDFDataRangeTransport,[{key:"addRangeListener",value:function addRangeListener(t){this._rangeListeners.push(t)}},{key:"addProgressListener",value:function addProgressListener(t){this._progressListeners.push(t)}},{key:"addProgressiveReadListener",value:function addProgressiveReadListener(t){this._progressiveReadListeners.push(t)}},{key:"addProgressiveDoneListener",value:function addProgressiveDoneListener(t){this._progressiveDoneListeners.push(t)}},{key:"onDataRange",value:function onDataRange(t,r){var a,o=_createForOfIteratorHelper(this._rangeListeners);try{for(o.s();!(a=o.n()).done;){(0,a.value)(t,r)}}catch(t){o.e(t)}finally{o.f()}}},{key:"onDataProgress",value:function onDataProgress(t,r){var a=this;this._readyCapability.promise.then((function(){var o,i=_createForOfIteratorHelper(a._progressListeners);try{for(i.s();!(o=i.n()).done;){(0,o.value)(t,r)}}catch(t){i.e(t)}finally{i.f()}}))}},{key:"onDataProgressiveRead",value:function onDataProgressiveRead(t){var r=this;this._readyCapability.promise.then((function(){var a,o=_createForOfIteratorHelper(r._progressiveReadListeners);try{for(o.s();!(a=o.n()).done;){(0,a.value)(t)}}catch(t){o.e(t)}finally{o.f()}}))}},{key:"onDataProgressiveDone",value:function onDataProgressiveDone(){var t=this;this._readyCapability.promise.then((function(){var r,a=_createForOfIteratorHelper(t._progressiveDoneListeners);try{for(a.s();!(r=a.n()).done;){(0,r.value)()}}catch(t){a.e(t)}finally{a.f()}}))}},{key:"transportReady",value:function transportReady(){this._readyCapability.resolve()}},{key:"requestDataRange",value:function requestDataRange(t,r){(0,_util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange")}},{key:"abort",value:function abort(){}}]);return PDFDataRangeTransport}();exports.PDFDataRangeTransport=PDFDataRangeTransport;var PDFDocumentProxy=function(){function PDFDocumentProxy(t,r){_classCallCheck(this,PDFDocumentProxy);this._pdfInfo=t;this._transport=r}_createClass(PDFDocumentProxy,[{key:"getPage",value:function getPage(t){return this._transport.getPage(t)}},{key:"getPageIndex",value:function getPageIndex(t){return this._transport.getPageIndex(t)}},{key:"getDestinations",value:function getDestinations(){return this._transport.getDestinations()}},{key:"getDestination",value:function getDestination(t){return this._transport.getDestination(t)}},{key:"getPageLabels",value:function getPageLabels(){return this._transport.getPageLabels()}},{key:"getPageLayout",value:function getPageLayout(){return this._transport.getPageLayout()}},{key:"getPageMode",value:function getPageMode(){return this._transport.getPageMode()}},{key:"getViewerPreferences",value:function getViewerPreferences(){return this._transport.getViewerPreferences()}},{key:"getOpenAction",value:function getOpenAction(){return this._transport.getOpenAction()}},{key:"getAttachments",value:function getAttachments(){return this._transport.getAttachments()}},{key:"getJavaScript",value:function getJavaScript(){return this._transport.getJavaScript()}},{key:"getOutline",value:function getOutline(){return this._transport.getOutline()}},{key:"getOptionalContentConfig",value:function getOptionalContentConfig(){return this._transport.getOptionalContentConfig()}},{key:"getPermissions",value:function getPermissions(){return this._transport.getPermissions()}},{key:"getMetadata",value:function getMetadata(){return this._transport.getMetadata()}},{key:"getData",value:function getData(){return this._transport.getData()}},{key:"getDownloadInfo",value:function getDownloadInfo(){return this._transport.downloadInfoCapability.promise}},{key:"getStats",value:function getStats(){return this._transport.getStats()}},{key:"cleanup",value:function cleanup(){return this._transport.startCleanup()}},{key:"destroy",value:function destroy(){return this.loadingTask.destroy()}},{key:"saveDocument",value:function saveDocument(t){return this._transport.saveDocument(t)}},{key:"annotationStorage",get:function get(){return(0,_util.shadow)(this,"annotationStorage",new _annotation_storage.AnnotationStorage)}},{key:"numPages",get:function get(){return this._pdfInfo.numPages}},{key:"fingerprint",get:function get(){return this._pdfInfo.fingerprint}},{key:"loadingParams",get:function get(){return this._transport.loadingParams}},{key:"loadingTask",get:function get(){return this._transport.loadingTask}}]);return PDFDocumentProxy}();exports.PDFDocumentProxy=PDFDocumentProxy;var PDFPageProxy=function(){function PDFPageProxy(t,r,a,o){var i=arguments.length>4&&void 0!==arguments[4]&&arguments[4];_classCallCheck(this,PDFPageProxy);this._pageIndex=t;this._pageInfo=r;this._ownerDocument=o;this._transport=a;this._stats=i?new _display_utils.StatTimer:null;this._pdfBug=i;this.commonObjs=a.commonObjs;this.objs=new PDFObjects;this.cleanupAfterRender=!1;this.pendingCleanup=!1;this._intentStates=new Map;this.destroyed=!1}_createClass(PDFPageProxy,[{key:"getViewport",value:function getViewport(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.scale,a=t.rotation,o=void 0===a?this.rotate:a,i=t.offsetX,l=void 0===i?0:i,c=t.offsetY,u=void 0===c?0:c,d=t.dontFlip,h=void 0!==d&&d;return new _display_utils.PageViewport({viewBox:this.view,scale:r,rotation:o,offsetX:l,offsetY:u,dontFlip:h})}},{key:"getAnnotations",value:function getAnnotations(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.intent,a=void 0===r?null:r;if(!this.annotationsPromise||this.annotationsIntent!==a){this.annotationsPromise=this._transport.getAnnotations(this._pageIndex,a);this.annotationsIntent=a}return this.annotationsPromise}},{key:"render",value:function render(t){var r=this,a=t.canvasContext,o=t.viewport,i=t.intent,l=void 0===i?"display":i,c=t.enableWebGL,u=void 0!==c&&c,d=t.renderInteractiveForms,h=void 0!==d&&d,p=t.transform,m=void 0===p?null:p,v=t.imageLayer,g=void 0===v?null:v,y=t.canvasFactory,b=void 0===y?null:y,_=t.background,S=void 0===_?null:_,C=t.annotationStorage,A=void 0===C?null:C,R=t.optionalContentConfigPromise,k=void 0===R?null:R;this._stats&&this._stats.time("Overall");var w="print"===l?"print":"display";this.pendingCleanup=!1;k||(k=this._transport.getOptionalContentConfig());var P=this._intentStates.get(w);if(!P){P=Object.create(null);this._intentStates.set(w,P)}if(P.streamReaderCancelTimeout){clearTimeout(P.streamReaderCancelTimeout);P.streamReaderCancelTimeout=null}var x=b||new DefaultCanvasFactory({ownerDocument:this._ownerDocument}),T=new _webgl.WebGLContext({enable:u});if(!P.displayReadyCapability){P.displayReadyCapability=(0,_util.createPromiseCapability)();P.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:w,renderInteractiveForms:!0===h,annotationStorage:A&&A.getAll()||null})}var E=function complete(t){var a=P.renderTasks.indexOf(O);a>=0&&P.renderTasks.splice(a,1);(r.cleanupAfterRender||"print"===w)&&(r.pendingCleanup=!0);r._tryCleanup();if(t){O.capability.reject(t);r._abortOperatorList({intentState:P,reason:t})}else O.capability.resolve();if(r._stats){r._stats.timeEnd("Rendering");r._stats.timeEnd("Overall")}},O=new InternalRenderTask({callback:E,params:{canvasContext:a,viewport:o,transform:m,imageLayer:g,background:S},objs:this.objs,commonObjs:this.commonObjs,operatorList:P.operatorList,pageIndex:this._pageIndex,canvasFactory:x,webGLContext:T,useRequestAnimationFrame:"print"!==w,pdfBug:this._pdfBug});P.renderTasks||(P.renderTasks=[]);P.renderTasks.push(O);var I=O.task;Promise.all([P.displayReadyCapability.promise,k]).then((function(t){var a=_slicedToArray(t,2),o=a[0],i=a[1];if(r.pendingCleanup)E();else{r._stats&&r._stats.time("Rendering");O.initializeGraphics({transparency:o,optionalContentConfig:i});O.operatorListChanged()}})).catch(E);return I}},{key:"getOperatorList",value:function getOperatorList(){var t,r=this._intentStates.get("oplist");if(!r){r=Object.create(null);this._intentStates.set("oplist",r)}if(!r.opListReadCapability){(t=Object.create(null)).operatorListChanged=function operatorListChanged(){if(r.operatorList.lastChunk){r.opListReadCapability.resolve(r.operatorList);var a=r.renderTasks.indexOf(t);a>=0&&r.renderTasks.splice(a,1)}};r.opListReadCapability=(0,_util.createPromiseCapability)();r.renderTasks=[];r.renderTasks.push(t);r.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:"oplist"})}return r.opListReadCapability.promise}},{key:"streamTextContent",value:function streamTextContent(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.normalizeWhitespace,a=void 0!==r&&r,o=t.disableCombineTextItems,i=void 0!==o&&o,l=100;return this._transport.messageHandler.sendWithStream("GetTextContent",{pageIndex:this._pageIndex,normalizeWhitespace:!0===a,combineTextItems:!0!==i},{highWaterMark:l,size:function size(t){return t.items.length}})}},{key:"getTextContent",value:function getTextContent(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=this.streamTextContent(t);return new Promise((function(t,a){var o=r.getReader(),i={items:[],styles:Object.create(null)};!function pump(){o.read().then((function(r){var a,o=r.value;if(r.done)t(i);else{Object.assign(i.styles,o.styles);(a=i.items).push.apply(a,_toConsumableArray(o.items));pump()}}),a)}()}))}},{key:"_destroy",value:function _destroy(){this.destroyed=!0;this._transport.pageCache[this._pageIndex]=null;var t,r=[],a=_createForOfIteratorHelper(this._intentStates);try{for(a.s();!(t=a.n()).done;){var o=_slicedToArray(t.value,2),i=o[0],l=o[1];this._abortOperatorList({intentState:l,reason:new Error("Page was destroyed."),force:!0});if("oplist"!==i){var c,u=_createForOfIteratorHelper(l.renderTasks);try{for(u.s();!(c=u.n()).done;){var d=c.value;r.push(d.completed);d.cancel()}}catch(t){u.e(t)}finally{u.f()}}}}catch(t){a.e(t)}finally{a.f()}this.objs.clear();this.annotationsPromise=null;this.pendingCleanup=!1;return Promise.all(r)}},{key:"cleanup",value:function cleanup(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.pendingCleanup=!0;return this._tryCleanup(t)}},{key:"_tryCleanup",value:function _tryCleanup(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!this.pendingCleanup)return!1;var r,a=_createForOfIteratorHelper(this._intentStates.values());try{for(a.s();!(r=a.n()).done;){var o=r.value,i=o.renderTasks,l=o.operatorList;if(0!==i.length||!l.lastChunk)return!1}}catch(t){a.e(t)}finally{a.f()}this._intentStates.clear();this.objs.clear();this.annotationsPromise=null;t&&this._stats&&(this._stats=new _display_utils.StatTimer);this.pendingCleanup=!1;return!0}},{key:"_startRenderPage",value:function _startRenderPage(t,r){var a=this._intentStates.get(r);if(a){this._stats&&this._stats.timeEnd("Page Request");a.displayReadyCapability&&a.displayReadyCapability.resolve(t)}}},{key:"_renderPageChunk",value:function _renderPageChunk(t,r){for(var a=0,o=t.length;a<o;a++){r.operatorList.fnArray.push(t.fnArray[a]);r.operatorList.argsArray.push(t.argsArray[a])}r.operatorList.lastChunk=t.lastChunk;for(var i=0;i<r.renderTasks.length;i++)r.renderTasks[i].operatorListChanged();t.lastChunk&&this._tryCleanup()}},{key:"_pumpOperatorList",value:function _pumpOperatorList(t){var r=this;(0,_util.assert)(t.intent,'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');var a=this._transport.messageHandler.sendWithStream("GetOperatorList",t).getReader(),o=this._intentStates.get(t.intent);o.streamReader=a;!function pump(){a.read().then((function(t){var a=t.value;if(t.done)o.streamReader=null;else if(!r._transport.destroyed){r._renderPageChunk(a,o);pump()}}),(function(t){o.streamReader=null;if(!r._transport.destroyed){if(o.operatorList){o.operatorList.lastChunk=!0;for(var a=0;a<o.renderTasks.length;a++)o.renderTasks[a].operatorListChanged();r._tryCleanup()}if(o.displayReadyCapability)o.displayReadyCapability.reject(t);else{if(!o.opListReadCapability)throw t;o.opListReadCapability.reject(t)}}}))}()}},{key:"_abortOperatorList",value:function _abortOperatorList(t){var r=this,a=t.intentState,o=t.reason,i=t.force,l=void 0!==i&&i;(0,_util.assert)(o instanceof Error||"object"===_typeof(o)&&null!==o,'PDFPageProxy._abortOperatorList: Expected "reason" argument.');if(a.streamReader){if(!l){if(0!==a.renderTasks.length)return;if(o instanceof _display_utils.RenderingCancelledException){a.streamReaderCancelTimeout=setTimeout((function(){r._abortOperatorList({intentState:a,reason:o,force:!0});a.streamReaderCancelTimeout=null}),RENDERING_CANCELLED_TIMEOUT);return}}a.streamReader.cancel(new _util.AbortException(o&&o.message));a.streamReader=null;if(!this._transport.destroyed){var c,u=_createForOfIteratorHelper(this._intentStates);try{for(u.s();!(c=u.n()).done;){var d=_slicedToArray(c.value,2),h=d[0];if(d[1]===a){this._intentStates.delete(h);break}}}catch(t){u.e(t)}finally{u.f()}this.cleanup()}}}},{key:"pageNumber",get:function get(){return this._pageIndex+1}},{key:"rotate",get:function get(){return this._pageInfo.rotate}},{key:"ref",get:function get(){return this._pageInfo.ref}},{key:"userUnit",get:function get(){return this._pageInfo.userUnit}},{key:"view",get:function get(){return this._pageInfo.view}},{key:"stats",get:function get(){return this._stats}}]);return PDFPageProxy}();exports.PDFPageProxy=PDFPageProxy;var LoopbackPort=function(){function LoopbackPort(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];_classCallCheck(this,LoopbackPort);this._listeners=[];this._defer=t;this._deferred=Promise.resolve(void 0)}_createClass(LoopbackPort,[{key:"postMessage",value:function postMessage(t,r){var a=this;if(this._defer){var o=new WeakMap,i={data:function cloneValue(t){if("object"!==_typeof(t)||null===t)return t;if(o.has(t))return o.get(t);var a,i;if((a=t.buffer)&&(0,_util.isArrayBuffer)(a)){i=r&&r.includes(a)?new t.constructor(a,t.byteOffset,t.byteLength):new t.constructor(t);o.set(t,i);return i}i=Array.isArray(t)?[]:{};o.set(t,i);for(var l in t){for(var c=void 0,u=t;!(c=Object.getOwnPropertyDescriptor(u,l));)u=Object.getPrototypeOf(u);if(void 0!==c.value)if("function"!=typeof c.value)i[l]=cloneValue(c.value);else if(t.hasOwnProperty&&t.hasOwnProperty(l))throw new Error("LoopbackPort.postMessage - cannot clone: ".concat(t[l]))}return i}(t)};this._deferred.then((function(){a._listeners.forEach((function(t){t.call(a,i)}))}))}else this._listeners.forEach((function(r){r.call(a,{data:t})}))}},{key:"addEventListener",value:function addEventListener(t,r){this._listeners.push(r)}},{key:"removeEventListener",value:function removeEventListener(t,r){var a=this._listeners.indexOf(r);this._listeners.splice(a,1)}},{key:"terminate",value:function terminate(){this._listeners.length=0}}]);return LoopbackPort}();exports.LoopbackPort=LoopbackPort;var PDFWorker=function PDFWorkerClosure(){var pdfWorkerPorts=new WeakMap,isWorkerDisabled=!1,fallbackWorkerSrc,nextFakeWorkerId=0,fakeWorkerCapability;if(_is_node.isNodeJS&&"function"==typeof require){isWorkerDisabled=!0;fallbackWorkerSrc="./pdf.worker.js"}else if("object"===("undefined"==typeof document?"undefined":_typeof(document))&&"currentScript"in document){var pdfjsFilePath=document.currentScript&&document.currentScript.src;pdfjsFilePath&&(fallbackWorkerSrc=pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i,".worker$1$2"))}function _getWorkerSrc(){if(_worker_options.GlobalWorkerOptions.workerSrc)return _worker_options.GlobalWorkerOptions.workerSrc;if(void 0!==fallbackWorkerSrc){_is_node.isNodeJS||(0,_display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');return fallbackWorkerSrc}throw new Error('No "GlobalWorkerOptions.workerSrc" specified.')}function getMainThreadWorkerMessageHandler(){var t;try{t=globalThis.pdfjsWorker&&globalThis.pdfjsWorker.WorkerMessageHandler}catch(t){}return t||null}function setupFakeWorkerGlobal(){if(fakeWorkerCapability)return fakeWorkerCapability.promise;fakeWorkerCapability=(0,_util.createPromiseCapability)();var loader=function(){var _ref12=_asyncToGenerator(_regenerator.default.mark((function _callee(){var mainWorkerMessageHandler,worker;return _regenerator.default.wrap((function _callee$(_context){for(;;)switch(_context.prev=_context.next){case 0:mainWorkerMessageHandler=getMainThreadWorkerMessageHandler();if(!mainWorkerMessageHandler){_context.next=3;break}return _context.abrupt("return",mainWorkerMessageHandler);case 3:if(!_is_node.isNodeJS||"function"!=typeof require){_context.next=6;break}worker=eval("require")(_getWorkerSrc());return _context.abrupt("return",worker.WorkerMessageHandler);case 6:_context.next=8;return(0,_display_utils.loadScript)(_getWorkerSrc());case 8:return _context.abrupt("return",window.pdfjsWorker.WorkerMessageHandler);case 9:case"end":return _context.stop()}}),_callee)})));return function loader(){return _ref12.apply(this,arguments)}}();loader().then(fakeWorkerCapability.resolve,fakeWorkerCapability.reject);return fakeWorkerCapability.promise}function createCDNWrapper(t){var r="importScripts('"+t+"');";return URL.createObjectURL(new Blob([r]))}var PDFWorker=function(){function PDFWorker(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.name,a=void 0===r?null:r,o=t.port,i=void 0===o?null:o,l=t.verbosity,c=void 0===l?(0,_util.getVerbosityLevel)():l;_classCallCheck(this,PDFWorker);if(i&&pdfWorkerPorts.has(i))throw new Error("Cannot use more than one PDFWorker per port");this.name=a;this.destroyed=!1;this.postMessageTransfers=!0;this.verbosity=c;this._readyCapability=(0,_util.createPromiseCapability)();this._port=null;this._webWorker=null;this._messageHandler=null;if(i){pdfWorkerPorts.set(i,this);this._initializeFromPort(i)}else this._initialize()}_createClass(PDFWorker,[{key:"_initializeFromPort",value:function _initializeFromPort(t){this._port=t;this._messageHandler=new _message_handler.MessageHandler("main","worker",t);this._messageHandler.on("ready",(function(){}));this._readyCapability.resolve()}},{key:"_initialize",value:function _initialize(){var t=this;if("undefined"!=typeof Worker&&!isWorkerDisabled&&!getMainThreadWorkerMessageHandler()){var r=_getWorkerSrc();try{(0,_util.isSameOrigin)(window.location.href,r)||(r=createCDNWrapper(new URL(r,window.location).href));var a=new Worker(r),o=new _message_handler.MessageHandler("main","worker",a),i=function terminateEarly(){a.removeEventListener("error",l);o.destroy();a.terminate();t.destroyed?t._readyCapability.reject(new Error("Worker was destroyed")):t._setupFakeWorker()},l=function onWorkerError(){t._webWorker||i()};a.addEventListener("error",l);o.on("test",(function(r){a.removeEventListener("error",l);if(t.destroyed)i();else if(r){t._messageHandler=o;t._port=a;t._webWorker=a;r.supportTransfers||(t.postMessageTransfers=!1);t._readyCapability.resolve();o.send("configure",{verbosity:t.verbosity})}else{t._setupFakeWorker();o.destroy();a.terminate()}}));o.on("ready",(function(r){a.removeEventListener("error",l);if(t.destroyed)i();else try{c()}catch(r){t._setupFakeWorker()}}));var c=function sendTest(){var r=new Uint8Array([t.postMessageTransfers?255:0]);try{o.send("test",r,[r.buffer])}catch(t){(0,_util.warn)("Cannot use postMessage transfers.");r[0]=0;o.send("test",r)}};c();return}catch(t){(0,_util.info)("The worker has been disabled.")}}this._setupFakeWorker()}},{key:"_setupFakeWorker",value:function _setupFakeWorker(){var t=this;if(!isWorkerDisabled){(0,_util.warn)("Setting up fake worker.");isWorkerDisabled=!0}setupFakeWorkerGlobal().then((function(r){if(t.destroyed)t._readyCapability.reject(new Error("Worker was destroyed"));else{var a=new LoopbackPort;t._port=a;var o="fake"+nextFakeWorkerId++,i=new _message_handler.MessageHandler(o+"_worker",o,a);r.setup(i,a);var l=new _message_handler.MessageHandler(o,o+"_worker",a);t._messageHandler=l;t._readyCapability.resolve();l.send("configure",{verbosity:t.verbosity})}})).catch((function(r){t._readyCapability.reject(new Error('Setting up fake worker failed: "'.concat(r.message,'".')))}))}},{key:"destroy",value:function destroy(){this.destroyed=!0;if(this._webWorker){this._webWorker.terminate();this._webWorker=null}pdfWorkerPorts.delete(this._port);this._port=null;if(this._messageHandler){this._messageHandler.destroy();this._messageHandler=null}}},{key:"promise",get:function get(){return this._readyCapability.promise}},{key:"port",get:function get(){return this._port}},{key:"messageHandler",get:function get(){return this._messageHandler}}],[{key:"fromPort",value:function fromPort(t){if(!t||!t.port)throw new Error("PDFWorker.fromPort - invalid method signature.");return pdfWorkerPorts.has(t.port)?pdfWorkerPorts.get(t.port):new PDFWorker(t)}},{key:"getWorkerSrc",value:function getWorkerSrc(){return _getWorkerSrc()}}]);return PDFWorker}();return PDFWorker}();exports.PDFWorker=PDFWorker;var WorkerTransport=function(){function WorkerTransport(t,r,a,o){_classCallCheck(this,WorkerTransport);this.messageHandler=t;this.loadingTask=r;this.commonObjs=new PDFObjects;this.fontLoader=new _font_loader.FontLoader({docId:r.docId,onUnsupportedFeature:this._onUnsupportedFeature.bind(this),ownerDocument:o.ownerDocument});this._params=o;this.CMapReaderFactory=new o.CMapReaderFactory({baseUrl:o.cMapUrl,isCompressed:o.cMapPacked});this.destroyed=!1;this.destroyCapability=null;this._passwordCapability=null;this._networkStream=a;this._fullReader=null;this._lastProgress=null;this.pageCache=[];this.pagePromises=[];this.downloadInfoCapability=(0,_util.createPromiseCapability)();this.setupMessageHandler()}_createClass(WorkerTransport,[{key:"destroy",value:function destroy(){var t=this;if(this.destroyCapability)return this.destroyCapability.promise;this.destroyed=!0;this.destroyCapability=(0,_util.createPromiseCapability)();this._passwordCapability&&this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));var r=[];this.pageCache.forEach((function(t){t&&r.push(t._destroy())}));this.pageCache.length=0;this.pagePromises.length=0;var a=this.messageHandler.sendWithPromise("Terminate",null);r.push(a);Promise.all(r).then((function(){t.fontLoader.clear();t._networkStream&&t._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));if(t.messageHandler){t.messageHandler.destroy();t.messageHandler=null}t.destroyCapability.resolve()}),this.destroyCapability.reject);return this.destroyCapability.promise}},{key:"setupMessageHandler",value:function setupMessageHandler(){var t=this,r=this.messageHandler,a=this.loadingTask;r.on("GetReader",(function(r,a){(0,_util.assert)(t._networkStream,"GetReader - no `IPDFStream` instance available.");t._fullReader=t._networkStream.getFullReader();t._fullReader.onProgress=function(r){t._lastProgress={loaded:r.loaded,total:r.total}};a.onPull=function(){t._fullReader.read().then((function(t){var r=t.value;if(t.done)a.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(r),"GetReader - expected an ArrayBuffer.");a.enqueue(new Uint8Array(r),1,[r])}})).catch((function(t){a.error(t)}))};a.onCancel=function(r){t._fullReader.cancel(r);a.ready.catch((function(r){if(!t.destroyed)throw r}))}}));r.on("ReaderHeadersReady",(function(r){var o=(0,_util.createPromiseCapability)(),i=t._fullReader;i.headersReady.then((function(){if(!i.isStreamingSupported||!i.isRangeSupported){t._lastProgress&&a.onProgress&&a.onProgress(t._lastProgress);i.onProgress=function(t){a.onProgress&&a.onProgress({loaded:t.loaded,total:t.total})}}o.resolve({isStreamingSupported:i.isStreamingSupported,isRangeSupported:i.isRangeSupported,contentLength:i.contentLength})}),o.reject);return o.promise}));r.on("GetRangeReader",(function(r,a){(0,_util.assert)(t._networkStream,"GetRangeReader - no `IPDFStream` instance available.");var o=t._networkStream.getRangeReader(r.begin,r.end);if(o){a.onPull=function(){o.read().then((function(t){var r=t.value;if(t.done)a.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(r),"GetRangeReader - expected an ArrayBuffer.");a.enqueue(new Uint8Array(r),1,[r])}})).catch((function(t){a.error(t)}))};a.onCancel=function(r){o.cancel(r);a.ready.catch((function(r){if(!t.destroyed)throw r}))}}else a.close()}));r.on("GetDoc",(function(r){var o=r.pdfInfo;t._numPages=o.numPages;a._capability.resolve(new PDFDocumentProxy(o,t))}));r.on("DocException",(function(t){var r;switch(t.name){case"PasswordException":r=new _util.PasswordException(t.message,t.code);break;case"InvalidPDFException":r=new _util.InvalidPDFException(t.message);break;case"MissingPDFException":r=new _util.MissingPDFException(t.message);break;case"UnexpectedResponseException":r=new _util.UnexpectedResponseException(t.message,t.status);break;case"UnknownErrorException":r=new _util.UnknownErrorException(t.message,t.details)}if(!(r instanceof Error)){(0,_util.warn)("DocException - expected a valid Error.")}a._capability.reject(r)}));r.on("PasswordRequest",(function(r){t._passwordCapability=(0,_util.createPromiseCapability)();if(a.onPassword){try{a.onPassword((function updatePassword(r){t._passwordCapability.resolve({password:r})}),r.code)}catch(r){t._passwordCapability.reject(r)}}else t._passwordCapability.reject(new _util.PasswordException(r.message,r.code));return t._passwordCapability.promise}));r.on("DataLoaded",(function(r){a.onProgress&&a.onProgress({loaded:r.length,total:r.length});t.downloadInfoCapability.resolve(r)}));r.on("StartRenderPage",(function(r){if(!t.destroyed){t.pageCache[r.pageIndex]._startRenderPage(r.transparency,r.intent)}}));r.on("commonobj",(function(a){if(!t.destroyed){var o=_slicedToArray(a,3),i=o[0],l=o[1],c=o[2];if(!t.commonObjs.has(i))switch(l){case"Font":var u=t._params;if("error"in c){var d=c.error;(0,_util.warn)("Error during font loading: ".concat(d));t.commonObjs.resolve(i,d);break}var h=null;u.pdfBug&&globalThis.FontInspector&&globalThis.FontInspector.enabled&&(h={registerFont:function registerFont(t,r){globalThis.FontInspector.fontAdded(t,r)}});var p=new _font_loader.FontFaceObject(c,{isEvalSupported:u.isEvalSupported,disableFontFace:u.disableFontFace,ignoreErrors:u.ignoreErrors,onUnsupportedFeature:t._onUnsupportedFeature.bind(t),fontRegistry:h});t.fontLoader.bind(p).catch((function(t){return r.sendWithPromise("FontFallback",{id:i})})).finally((function(){!u.fontExtraProperties&&p.data&&(p.data=null);t.commonObjs.resolve(i,p)}));break;case"FontPath":case"Image":t.commonObjs.resolve(i,c);break;default:throw new Error("Got unknown common object type ".concat(l))}}}));r.on("obj",(function(r){if(!t.destroyed){var a=_slicedToArray(r,4),o=a[0],i=a[1],l=a[2],c=a[3],u=t.pageCache[i];if(!u.objs.has(o))switch(l){case"Image":u.objs.resolve(o,c);c&&"data"in c&&c.data.length>8e6&&(u.cleanupAfterRender=!0);break;default:throw new Error("Got unknown object type ".concat(l))}}}));r.on("DocProgress",(function(r){t.destroyed||a.onProgress&&a.onProgress({loaded:r.loaded,total:r.total})}));r.on("UnsupportedFeature",this._onUnsupportedFeature.bind(this));r.on("FetchBuiltInCMap",(function(r,a){if(t.destroyed)a.error(new Error("Worker was destroyed"));else{var o=!1;a.onPull=function(){if(o)a.close();else{o=!0;t.CMapReaderFactory.fetch(r).then((function(t){a.enqueue(t,1,[t.cMapData.buffer])})).catch((function(t){a.error(t)}))}}}}))}},{key:"_onUnsupportedFeature",value:function _onUnsupportedFeature(t){var r=t.featureId;this.destroyed||this.loadingTask.onUnsupportedFeature&&this.loadingTask.onUnsupportedFeature(r)}},{key:"getData",value:function getData(){return this.messageHandler.sendWithPromise("GetData",null)}},{key:"getPage",value:function getPage(t){var r=this;if(!Number.isInteger(t)||t<=0||t>this._numPages)return Promise.reject(new Error("Invalid page request"));var a=t-1;if(a in this.pagePromises)return this.pagePromises[a];var o=this.messageHandler.sendWithPromise("GetPage",{pageIndex:a}).then((function(t){if(r.destroyed)throw new Error("Transport destroyed");var o=new PDFPageProxy(a,t,r,r._params.ownerDocument,r._params.pdfBug);r.pageCache[a]=o;return o}));this.pagePromises[a]=o;return o}},{key:"getPageIndex",value:function getPageIndex(t){return this.messageHandler.sendWithPromise("GetPageIndex",{ref:t}).catch((function(t){return Promise.reject(new Error(t))}))}},{key:"getAnnotations",value:function getAnnotations(t,r){return this.messageHandler.sendWithPromise("GetAnnotations",{pageIndex:t,intent:r})}},{key:"saveDocument",value:function saveDocument(t){return this.messageHandler.sendWithPromise("SaveDocument",{numPages:this._numPages,annotationStorage:t&&t.getAll()||null,filename:this._fullReader?this._fullReader.filename:null}).finally((function(){t&&t.resetModified()}))}},{key:"getDestinations",value:function getDestinations(){return this.messageHandler.sendWithPromise("GetDestinations",null)}},{key:"getDestination",value:function getDestination(t){return"string"!=typeof t?Promise.reject(new Error("Invalid destination request.")):this.messageHandler.sendWithPromise("GetDestination",{id:t})}},{key:"getPageLabels",value:function getPageLabels(){return this.messageHandler.sendWithPromise("GetPageLabels",null)}},{key:"getPageLayout",value:function getPageLayout(){return this.messageHandler.sendWithPromise("GetPageLayout",null)}},{key:"getPageMode",value:function getPageMode(){return this.messageHandler.sendWithPromise("GetPageMode",null)}},{key:"getViewerPreferences",value:function getViewerPreferences(){return this.messageHandler.sendWithPromise("GetViewerPreferences",null)}},{key:"getOpenAction",value:function getOpenAction(){return this.messageHandler.sendWithPromise("GetOpenAction",null)}},{key:"getAttachments",value:function getAttachments(){return this.messageHandler.sendWithPromise("GetAttachments",null)}},{key:"getJavaScript",value:function getJavaScript(){return this.messageHandler.sendWithPromise("GetJavaScript",null)}},{key:"getOutline",value:function getOutline(){return this.messageHandler.sendWithPromise("GetOutline",null)}},{key:"getOptionalContentConfig",value:function getOptionalContentConfig(){return this.messageHandler.sendWithPromise("GetOptionalContentConfig",null).then((function(t){return new _optional_content_config.OptionalContentConfig(t)}))}},{key:"getPermissions",value:function getPermissions(){return this.messageHandler.sendWithPromise("GetPermissions",null)}},{key:"getMetadata",value:function getMetadata(){var t=this;return this.messageHandler.sendWithPromise("GetMetadata",null).then((function(r){return{info:r[0],metadata:r[1]?new _metadata.Metadata(r[1]):null,contentDispositionFilename:t._fullReader?t._fullReader.filename:null}}))}},{key:"getStats",value:function getStats(){return this.messageHandler.sendWithPromise("GetStats",null)}},{key:"startCleanup",value:function startCleanup(){var t=this;return this.messageHandler.sendWithPromise("Cleanup",null).then((function(){for(var r=0,a=t.pageCache.length;r<a;r++){var o=t.pageCache[r];if(o){if(!o.cleanup())throw new Error("startCleanup: Page ".concat(r+1," is currently rendering."))}}t.commonObjs.clear();t.fontLoader.clear()}))}},{key:"loadingParams",get:function get(){var t=this._params;return(0,_util.shadow)(this,"loadingParams",{disableAutoFetch:t.disableAutoFetch,disableFontFace:t.disableFontFace})}}]);return WorkerTransport}(),PDFObjects=function(){function PDFObjects(){_classCallCheck(this,PDFObjects);this._objs=Object.create(null)}_createClass(PDFObjects,[{key:"_ensureObj",value:function _ensureObj(t){return this._objs[t]?this._objs[t]:this._objs[t]={capability:(0,_util.createPromiseCapability)(),data:null,resolved:!1}}},{key:"get",value:function get(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(r){this._ensureObj(t).capability.promise.then(r);return null}var a=this._objs[t];if(!a||!a.resolved)throw new Error("Requesting object that isn't resolved yet ".concat(t,"."));return a.data}},{key:"has",value:function has(t){var r=this._objs[t];return!!r&&r.resolved}},{key:"resolve",value:function resolve(t,r){var a=this._ensureObj(t);a.resolved=!0;a.data=r;a.capability.resolve(r)}},{key:"clear",value:function clear(){this._objs=Object.create(null)}}]);return PDFObjects}(),RenderTask=function(){function RenderTask(t){_classCallCheck(this,RenderTask);this._internalRenderTask=t;this.onContinue=null}_createClass(RenderTask,[{key:"cancel",value:function cancel(){this._internalRenderTask.cancel()}},{key:"promise",get:function get(){return this._internalRenderTask.capability.promise}}]);return RenderTask}(),InternalRenderTask=function InternalRenderTaskClosure(){var t=new WeakSet;return function(){function InternalRenderTask(t){var r=t.callback,a=t.params,o=t.objs,i=t.commonObjs,l=t.operatorList,c=t.pageIndex,u=t.canvasFactory,d=t.webGLContext,h=t.useRequestAnimationFrame,p=void 0!==h&&h,m=t.pdfBug,v=void 0!==m&&m;_classCallCheck(this,InternalRenderTask);this.callback=r;this.params=a;this.objs=o;this.commonObjs=i;this.operatorListIdx=null;this.operatorList=l;this._pageIndex=c;this.canvasFactory=u;this.webGLContext=d;this._pdfBug=v;this.running=!1;this.graphicsReadyCallback=null;this.graphicsReady=!1;this._useRequestAnimationFrame=!0===p&&"undefined"!=typeof window;this.cancelled=!1;this.capability=(0,_util.createPromiseCapability)();this.task=new RenderTask(this);this._continueBound=this._continue.bind(this);this._scheduleNextBound=this._scheduleNext.bind(this);this._nextBound=this._next.bind(this);this._canvas=a.canvasContext.canvas}_createClass(InternalRenderTask,[{key:"initializeGraphics",value:function initializeGraphics(r){var a=r.transparency,o=void 0!==a&&a,i=r.optionalContentConfig;if(!this.cancelled){if(this._canvas){if(t.has(this._canvas))throw new Error("Cannot use the same canvas during multiple render() operations. Use different canvas or ensure previous operations were cancelled or completed.");t.add(this._canvas)}if(this._pdfBug&&globalThis.StepperManager&&globalThis.StepperManager.enabled){this.stepper=globalThis.StepperManager.create(this._pageIndex);this.stepper.init(this.operatorList);this.stepper.nextBreakPoint=this.stepper.getNextBreakPoint()}var l=this.params,c=l.canvasContext,u=l.viewport,d=l.transform,h=l.imageLayer,p=l.background;this.gfx=new _canvas.CanvasGraphics(c,this.commonObjs,this.objs,this.canvasFactory,this.webGLContext,h,i);this.gfx.beginDrawing({transform:d,viewport:u,transparency:o,background:p});this.operatorListIdx=0;this.graphicsReady=!0;this.graphicsReadyCallback&&this.graphicsReadyCallback()}}},{key:"cancel",value:function cancel(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;this.running=!1;this.cancelled=!0;this.gfx&&this.gfx.endDrawing();this._canvas&&t.delete(this._canvas);this.callback(r||new _display_utils.RenderingCancelledException("Rendering cancelled, page ".concat(this._pageIndex+1),"canvas"))}},{key:"operatorListChanged",value:function operatorListChanged(){if(this.graphicsReady){this.stepper&&this.stepper.updateOperatorList(this.operatorList);this.running||this._continue()}else this.graphicsReadyCallback||(this.graphicsReadyCallback=this._continueBound)}},{key:"_continue",value:function _continue(){this.running=!0;this.cancelled||(this.task.onContinue?this.task.onContinue(this._scheduleNextBound):this._scheduleNext())}},{key:"_scheduleNext",value:function _scheduleNext(){var t=this;this._useRequestAnimationFrame?window.requestAnimationFrame((function(){t._nextBound().catch(t.cancel.bind(t))})):Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this))}},{key:"_next",value:(r=_asyncToGenerator(_regenerator.default.mark((function _callee2(){return _regenerator.default.wrap((function _callee2$(r){for(;;)switch(r.prev=r.next){case 0:if(!this.cancelled){r.next=2;break}return r.abrupt("return");case 2:this.operatorListIdx=this.gfx.executeOperatorList(this.operatorList,this.operatorListIdx,this._continueBound,this.stepper);if(this.operatorListIdx===this.operatorList.argsArray.length){this.running=!1;if(this.operatorList.lastChunk){this.gfx.endDrawing();this._canvas&&t.delete(this._canvas);this.callback()}}case 4:case"end":return r.stop()}}),_callee2,this)}))),function _next(){return r.apply(this,arguments)})},{key:"completed",get:function get(){return this.capability.promise.catch((function(){}))}}]);var r;return InternalRenderTask}()}(),version="2.6.347";exports.version=version;var build="3be9c65f";exports.build=build},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.FontLoader=r.FontFaceObject=void 0;var o=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),i=a(5);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,o=_getPrototypeOf(t);if(r){var i=_getPrototypeOf(this).constructor;a=Reflect.construct(o,arguments,i)}else a=o.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new 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get(){(0,i.unreachable)("Abstract method `_loadTestFont`.")}}]);var t;return BaseFontLoader}();r.FontLoader=l;r.FontLoader=l=function(t){!function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}(GenericFontLoader,t);var r=_createSuper(GenericFontLoader);function GenericFontLoader(t){var a;_classCallCheck(this,GenericFontLoader);(a=r.call(this,t)).loadingContext={requests:[],nextRequestId:0};a.loadTestFontId=0;return a}_createClass(GenericFontLoader,[{key:"_queueLoadingCallback",value:function _queueLoadingCallback(t){var r=this.loadingContext,a={id:"pdfjs-font-loading-".concat(r.nextRequestId++),done:!1,complete:function completeRequest(){(0,i.assert)(!a.done,"completeRequest() cannot be called twice.");a.done=!0;for(;r.requests.length>0&&r.requests[0].done;){var t=r.requests.shift();setTimeout(t.callback,0)}},callback:t};r.requests.push(a);return a}},{key:"_prepareFontLoadEvent",value:function _prepareFontLoadEvent(t,r,a){var o,l,c=this;function int32(t,r){return t.charCodeAt(r)<<24|t.charCodeAt(r+1)<<16|t.charCodeAt(r+2)<<8|255&t.charCodeAt(r+3)}function spliceString(t,r,a,o){return t.substring(0,r)+o+t.substring(r+a)}var u=this._document.createElement("canvas");u.width=1;u.height=1;var d=u.getContext("2d"),h=0;var p="lt".concat(Date.now()).concat(this.loadTestFontId++),m=this._loadTestFont,v=int32(m=spliceString(m,976,p.length,p),16);for(o=0,l=p.length-3;o<l;o+=4)v=v-1482184792+int32(p,o)|0;o<p.length&&(v=v-1482184792+int32(p+"XXX",o)|0);m=spliceString(m,16,4,(0,i.string32)(v));var g="url(data:font/opentype;base64,".concat(btoa(m),");"),y='@font-face {font-family:"'.concat(p,'";src:').concat(g,"}");this.insertRule(y);var b=[];for(o=0,l=r.length;o<l;o++)b.push(r[o].loadedName);b.push(p);var _=this._document.createElement("div");_.style.visibility="hidden";_.style.width=_.style.height="10px";_.style.position="absolute";_.style.top=_.style.left="0px";for(o=0,l=b.length;o<l;++o){var S=this._document.createElement("span");S.textContent="Hi";S.style.fontFamily=b[o];_.appendChild(S)}this._document.body.appendChild(_);!function isFontReady(t,r){if(++h>30){(0,i.warn)("Load test font never loaded.");r()}else{d.font="30px "+t;d.fillText(".",0,20);d.getImageData(0,0,1,1).data[3]>0?r():setTimeout(isFontReady.bind(null,t,r))}}(p,(function(){c._document.body.removeChild(_);a.complete()}))}},{key:"isSyncFontLoadingSupported",get:function get(){var t=!1;if("undefined"==typeof navigator)t=!0;else{var r=/Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);r&&r[1]>=14&&(t=!0)}return(0,i.shadow)(this,"isSyncFontLoadingSupported",t)}},{key:"_loadTestFont",get:function get(){return(0,i.shadow)(this,"_loadTestFont",function getLoadTestFont(){return atob("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")}())}}]);return GenericFontLoader}(c);var u=function(){function FontFaceObject(t,r){var a=r.isEvalSupported,o=void 0===a||a,i=r.disableFontFace,l=void 0!==i&&i,c=r.ignoreErrors,u=void 0!==c&&c,d=r.onUnsupportedFeature,h=void 0===d?null:d,p=r.fontRegistry,m=void 0===p?null:p;_classCallCheck(this,FontFaceObject);this.compiledGlyphs=Object.create(null);for(var v in t)this[v]=t[v];this.isEvalSupported=!1!==o;this.disableFontFace=!0===l;this.ignoreErrors=!0===u;this._onUnsupportedFeature=h;this.fontRegistry=m}_createClass(FontFaceObject,[{key:"createNativeFontFace",value:function createNativeFontFace(){if(!this.data||this.disableFontFace)return null;var t=new FontFace(this.loadedName,this.data,{});this.fontRegistry&&this.fontRegistry.registerFont(this);return t}},{key:"createFontFaceRule",value:function createFontFaceRule(){if(!this.data||this.disableFontFace)return null;var t=(0,i.bytesToString)(new Uint8Array(this.data)),r="url(data:".concat(this.mimetype,";base64,").concat(btoa(t),");"),a='@font-face {font-family:"'.concat(this.loadedName,'";src:').concat(r,"}");this.fontRegistry&&this.fontRegistry.registerFont(this,r);return a}},{key:"getPathGenerator",value:function getPathGenerator(t,r){if(void 0!==this.compiledGlyphs[r])return this.compiledGlyphs[r];var a,o;try{a=t.get(this.loadedName+"_path_"+r)}catch(t){if(!this.ignoreErrors)throw t;this._onUnsupportedFeature&&this._onUnsupportedFeature({featureId:i.UNSUPPORTED_FEATURES.errorFontGetPath});(0,i.warn)('getPathGenerator - ignoring character: "'.concat(t,'".'));return this.compiledGlyphs[r]=function(t,r){}}if(this.isEvalSupported&&i.IsEvalSupportedCached.value){for(var l,c="",u=0,d=a.length;u<d;u++){l=void 0!==(o=a[u]).args?o.args.join(","):"";c+="c."+o.cmd+"("+l+");\n"}return this.compiledGlyphs[r]=new Function("c","size",c)}return this.compiledGlyphs[r]=function(t,r){for(var i=0,l=a.length;i<l;i++){"scale"===(o=a[i]).cmd&&(o.args=[r,-r]);t[o.cmd].apply(t,o.args)}}}}]);return FontFaceObject}();r.FontFaceObject=u},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.NodeCMapReaderFactory=r.NodeCanvasFactory=void 0;var o=a(1),i=a(7),l=a(5);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var o=r[a];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function 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addContextCurrentTransform(t){if(!t.mozCurrentTransform){t._originalSave=t.save;t._originalRestore=t.restore;t._originalRotate=t.rotate;t._originalScale=t.scale;t._originalTranslate=t.translate;t._originalTransform=t.transform;t._originalSetTransform=t.setTransform;t._transformMatrix=t._transformMatrix||[1,0,0,1,0,0];t._transformStack=[];Object.defineProperty(t,"mozCurrentTransform",{get:function getCurrentTransform(){return this._transformMatrix}});Object.defineProperty(t,"mozCurrentTransformInverse",{get:function getCurrentTransformInverse(){var t=this._transformMatrix,r=t[0],a=t[1],o=t[2],i=t[3],l=t[4],c=t[5],u=r*i-a*o,d=a*o-r*i;return[i/u,a/d,o/d,r/u,(i*l-o*c)/d,(a*l-r*c)/u]}});t.save=function ctxSave(){var t=this._transformMatrix;this._transformStack.push(t);this._transformMatrix=t.slice(0,6);this._originalSave()};t.restore=function ctxRestore(){var t=this._transformStack.pop();if(t){this._transformMatrix=t;this._originalRestore()}};t.translate=function ctxTranslate(t,r){var 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i;if(void 0!==this.cache[t]){i=this.cache[t];this.canvasFactory.reset(i,r,a);i.context.setTransform(1,0,0,1,0,0)}else{i=this.canvasFactory.create(r,a);this.cache[t]=i}o&&addContextCurrentTransform(i.context);return i},clear:function clear(){for(var t in this.cache){var r=this.cache[t];this.canvasFactory.destroy(r);delete this.cache[t]}}};return CachedCanvases}();var c=function CanvasExtraStateClosure(){function CanvasExtraState(){this.alphaIsShape=!1;this.fontSize=0;this.fontSizeScale=1;this.textMatrix=o.IDENTITY_MATRIX;this.textMatrixScale=1;this.fontMatrix=o.FONT_IDENTITY_MATRIX;this.leading=0;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRenderingMode=o.TextRenderingMode.FILL;this.textRise=0;this.fillColor="#000000";this.strokeColor="#000000";this.patternFill=!1;this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.activeSMask=null;this.resumeSMaskCtx=null;this.transferMaps=null}CanvasExtraState.prototype={clone:function CanvasExtraState_clone(){return Object.create(this)},setCurrentPoint:function CanvasExtraState_setCurrentPoint(t,r){this.x=t;this.y=r}};return CanvasExtraState}(),u=function CanvasGraphicsClosure(){function CanvasGraphics(t,r,a,o,i,u,d){this.ctx=t;this.current=new c;this.stateStack=[];this.pendingClip=null;this.pendingEOFill=!1;this.res=null;this.xobjs=null;this.commonObjs=r;this.objs=a;this.canvasFactory=o;this.webGLContext=i;this.imageLayer=u;this.groupStack=[];this.processingType3=null;this.baseTransform=null;this.baseTransformStack=[];this.groupLevel=0;this.smaskStack=[];this.smaskCounter=0;this.tempSMask=null;this.contentVisible=!0;this.markedContentStack=[];this.optionalContentConfig=d;this.cachedCanvases=new l(this.canvasFactory);t&&addContextCurrentTransform(t);this._cachedGetSinglePixelWidth=null}function putBinaryImageData(t,r){var a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null;if("undefined"!=typeof ImageData&&r instanceof ImageData)t.putImageData(r,0,0);else{var i,l,c,u,d,h,p,m,v,g=r.height,y=r.width,b=g%16,_=(g-b)/16,S=0===b?_:_+1,C=t.createImageData(y,16),A=0,R=r.data,k=C.data;if(a)switch(a.length){case 1:h=a[0];p=a[0];m=a[0];v=a[0];break;case 4:h=a[0];p=a[1];m=a[2];v=a[3]}if(r.kind===o.ImageKind.GRAYSCALE_1BPP){var w=R.byteLength,P=new Uint32Array(k.buffer,0,k.byteLength>>2),x=P.length,T=y+7>>3,E=4294967295,O=o.IsLittleEndianCached.value?4278190080:255;if(v&&255===v[0]&&0===v[255]){var I=[O,E];E=I[0];O=I[1]}for(l=0;l<S;l++){u=l<_?16:b;i=0;for(c=0;c<u;c++){for(var D=w-A,L=0,M=D>T?y:8*D-7,W=-8&M,j=0,N=0;L<W;L+=8){N=R[A++];P[i++]=128&N?E:O;P[i++]=64&N?E:O;P[i++]=32&N?E:O;P[i++]=16&N?E:O;P[i++]=8&N?E:O;P[i++]=4&N?E:O;P[i++]=2&N?E:O;P[i++]=1&N?E:O}for(;L<M;L++){if(0===j){N=R[A++];j=128}P[i++]=N&j?E:O;j>>=1}}for(;i<x;)P[i++]=0;t.putImageData(C,0,16*l)}}else if(r.kind===o.ImageKind.RGBA_32BPP){var B=!!(h||p||m);c=0;d=16*y*4;for(l=0;l<_;l++){k.set(R.subarray(A,A+d));A+=d;if(B)for(var q=0;q<d;q+=4){h&&(k[q+0]=h[k[q+0]]);p&&(k[q+1]=p[k[q+1]]);m&&(k[q+2]=m[k[q+2]])}t.putImageData(C,0,c);c+=16}if(l<S){d=y*b*4;k.set(R.subarray(A,A+d));if(B)for(var G=0;G<d;G+=4){h&&(k[G+0]=h[k[G+0]]);p&&(k[G+1]=p[k[G+1]]);m&&(k[G+2]=m[k[G+2]])}t.putImageData(C,0,c)}}else{if(r.kind!==o.ImageKind.RGB_24BPP)throw new Error("bad image kind: ".concat(r.kind));var U=!!(h||p||m);d=y*(u=16);for(l=0;l<S;l++){l>=_&&(d=y*(u=b));i=0;for(c=d;c--;){k[i++]=R[A++];k[i++]=R[A++];k[i++]=R[A++];k[i++]=255}if(U)for(var z=0;z<i;z+=4){h&&(k[z+0]=h[k[z+0]]);p&&(k[z+1]=p[k[z+1]]);m&&(k[z+2]=m[k[z+2]])}t.putImageData(C,0,16*l)}}}}function putBinaryImageMask(t,r){for(var a=r.height,o=r.width,i=a%16,l=(a-i)/16,c=0===i?l:l+1,u=t.createImageData(o,16),d=0,h=r.data,p=u.data,m=0;m<c;m++){for(var v=m<l?16:i,g=3,y=0;y<v;y++)for(var b=0,_=0;_<o;_++){if(!b){var S=h[d++];b=128}p[g]=S&b?0:255;g+=4;b>>=1}t.putImageData(u,0,16*m)}}function copyCtxState(t,r){for(var a=["strokeStyle","fillStyle","fillRule","globalAlpha","lineWidth","lineCap","lineJoin","miterLimit","globalCompositeOperation","font"],o=0,i=a.length;o<i;o++){var l=a[o];void 0!==t[l]&&(r[l]=t[l])}if(void 0!==t.setLineDash){r.setLineDash(t.getLineDash());r.lineDashOffset=t.lineDashOffset}}function resetCtxToDefault(t){t.strokeStyle="#000000";t.fillStyle="#000000";t.fillRule="nonzero";t.globalAlpha=1;t.lineWidth=1;t.lineCap="butt";t.lineJoin="miter";t.miterLimit=10;t.globalCompositeOperation="source-over";t.font="10px sans-serif";if(void 0!==t.setLineDash){t.setLineDash([]);t.lineDashOffset=0}}function composeSMaskBackdrop(t,r,a,o){for(var i=t.length,l=3;l<i;l+=4){var c=t[l];if(0===c){t[l-3]=r;t[l-2]=a;t[l-1]=o}else if(c<255){var u=255-c;t[l-3]=t[l-3]*c+r*u>>8;t[l-2]=t[l-2]*c+a*u>>8;t[l-1]=t[l-1]*c+o*u>>8}}}function composeSMaskAlpha(t,r,a){for(var o=t.length,i=3;i<o;i+=4){var l=a?a[t[i]]:t[i];r[i]=r[i]*l*(1/255)|0}}function composeSMaskLuminosity(t,r,a){for(var o=t.length,i=3;i<o;i+=4){var l=77*t[i-3]+152*t[i-2]+28*t[i-1];r[i]=a?r[i]*a[l>>8]>>8:r[i]*l>>16}}function composeSMask(t,r,a,o){var i=r.canvas,l=r.context;t.setTransform(r.scaleX,0,0,r.scaleY,r.offsetX,r.offsetY);var c=r.backdrop||null;if(r.transferMap||!o.isEnabled){!function genericComposeSMask(t,r,a,o,i,l,c){var u,d=!!l,h=d?l[0]:0,p=d?l[1]:0,m=d?l[2]:0;u="Luminosity"===i?composeSMaskLuminosity:composeSMaskAlpha;for(var v=Math.min(o,Math.ceil(1048576/a)),g=0;g<o;g+=v){var y=Math.min(v,o-g),b=t.getImageData(0,g,a,y),_=r.getImageData(0,g,a,y);d&&composeSMaskBackdrop(b.data,h,p,m);u(b.data,_.data,c);t.putImageData(_,0,g)}}(l,a,i.width,i.height,r.subtype,c,r.transferMap);t.drawImage(i,0,0)}else{var u=o.composeSMask({layer:a.canvas,mask:i,properties:{subtype:r.subtype,backdrop:c}});t.setTransform(1,0,0,1,0,0);t.drawImage(u,r.offsetX,r.offsetY)}}var t=["butt","round","square"],r=["miter","round","bevel"],a={},u={};CanvasGraphics.prototype={beginDrawing:function beginDrawing(t){var r=t.transform,a=t.viewport,o=t.transparency,i=void 0!==o&&o,l=t.background,c=void 0===l?null:l,u=this.ctx.canvas.width,d=this.ctx.canvas.height;this.ctx.save();this.ctx.fillStyle=c||"rgb(255, 255, 255)";this.ctx.fillRect(0,0,u,d);this.ctx.restore();if(i){var h=this.cachedCanvases.getCanvas("transparent",u,d,!0);this.compositeCtx=this.ctx;this.transparentCanvas=h.canvas;this.ctx=h.context;this.ctx.save();this.ctx.transform.apply(this.ctx,this.compositeCtx.mozCurrentTransform)}this.ctx.save();resetCtxToDefault(this.ctx);r&&this.ctx.transform.apply(this.ctx,r);this.ctx.transform.apply(this.ctx,a.transform);this.baseTransform=this.ctx.mozCurrentTransform.slice();this.imageLayer&&this.imageLayer.beginLayout()},executeOperatorList:function CanvasGraphics_executeOperatorList(t,r,a,i){var l=t.argsArray,c=t.fnArray,u=r||0,d=l.length;if(d===u)return u;for(var h,p=d-u>10&&"function"==typeof a,m=p?Date.now()+15:0,v=0,g=this.commonObjs,y=this.objs;;){if(void 0!==i&&u===i.nextBreakPoint){i.breakIt(u,a);return u}if((h=c[u])!==o.OPS.dependency)this[h].apply(this,l[u]);else{var b,_=_createForOfIteratorHelper(l[u]);try{for(_.s();!(b=_.n()).done;){var S=b.value,C=S.startsWith("g_")?g:y;if(!C.has(S)){C.get(S,a);return u}}}catch(t){_.e(t)}finally{_.f()}}if(++u===d)return u;if(p&&++v>10){if(Date.now()>m){a();return u}v=0}}},endDrawing:function CanvasGraphics_endDrawing(){null!==this.current.activeSMask&&this.endSMaskGroup();this.ctx.restore();if(this.transparentCanvas){this.ctx=this.compositeCtx;this.ctx.save();this.ctx.setTransform(1,0,0,1,0,0);this.ctx.drawImage(this.transparentCanvas,0,0);this.ctx.restore();this.transparentCanvas=null}this.cachedCanvases.clear();this.webGLContext.clear();this.imageLayer&&this.imageLayer.endLayout()},setLineWidth:function CanvasGraphics_setLineWidth(t){this.current.lineWidth=t;this.ctx.lineWidth=t},setLineCap:function CanvasGraphics_setLineCap(r){this.ctx.lineCap=t[r]},setLineJoin:function CanvasGraphics_setLineJoin(t){this.ctx.lineJoin=r[t]},setMiterLimit:function CanvasGraphics_setMiterLimit(t){this.ctx.miterLimit=t},setDash:function CanvasGraphics_setDash(t,r){var a=this.ctx;if(void 0!==a.setLineDash){a.setLineDash(t);a.lineDashOffset=r}},setRenderingIntent:function setRenderingIntent(t){},setFlatness:function setFlatness(t){},setGState:function CanvasGraphics_setGState(t){for(var r=0,a=t.length;r<a;r++){var o=t[r],i=o[0],l=o[1];switch(i){case"LW":this.setLineWidth(l);break;case"LC":this.setLineCap(l);break;case"LJ":this.setLineJoin(l);break;case"ML":this.setMiterLimit(l);break;case"D":this.setDash(l[0],l[1]);break;case"RI":this.setRenderingIntent(l);break;case"FL":this.setFlatness(l);break;case"Font":this.setFont(l[0],l[1]);break;case"CA":this.current.strokeAlpha=o[1];break;case"ca":this.current.fillAlpha=o[1];this.ctx.globalAlpha=o[1];break;case"BM":this.ctx.globalCompositeOperation=l;break;case"SMask":this.current.activeSMask&&(this.stateStack.length>0&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask?this.suspendSMaskGroup():this.endSMaskGroup());this.current.activeSMask=l?this.tempSMask:null;this.current.activeSMask&&this.beginSMaskGroup();this.tempSMask=null;break;case"TR":this.current.transferMaps=l}}},beginSMaskGroup:function CanvasGraphics_beginSMaskGroup(){var t=this.current.activeSMask,r=t.canvas.width,a=t.canvas.height,o="smaskGroupAt"+this.groupLevel,i=this.cachedCanvases.getCanvas(o,r,a,!0),l=this.ctx,c=l.mozCurrentTransform;this.ctx.save();var u=i.context;u.scale(1/t.scaleX,1/t.scaleY);u.translate(-t.offsetX,-t.offsetY);u.transform.apply(u,c);t.startTransformInverse=u.mozCurrentTransformInverse;copyCtxState(l,u);this.ctx=u;this.setGState([["BM","source-over"],["ca",1],["CA",1]]);this.groupStack.push(l);this.groupLevel++},suspendSMaskGroup:function CanvasGraphics_endSMaskGroup(){var t=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,t,this.webGLContext);this.ctx.restore();this.ctx.save();copyCtxState(t,this.ctx);this.current.resumeSMaskCtx=t;var r=o.Util.transform(this.current.activeSMask.startTransformInverse,t.mozCurrentTransform);this.ctx.transform.apply(this.ctx,r);t.save();t.setTransform(1,0,0,1,0,0);t.clearRect(0,0,t.canvas.width,t.canvas.height);t.restore()},resumeSMaskGroup:function CanvasGraphics_endSMaskGroup(){var t=this.current.resumeSMaskCtx,r=this.ctx;this.ctx=t;this.groupStack.push(r);this.groupLevel++},endSMaskGroup:function CanvasGraphics_endSMaskGroup(){var t=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,t,this.webGLContext);this.ctx.restore();copyCtxState(t,this.ctx);var r=o.Util.transform(this.current.activeSMask.startTransformInverse,t.mozCurrentTransform);this.ctx.transform.apply(this.ctx,r)},save:function CanvasGraphics_save(){this.ctx.save();var t=this.current;this.stateStack.push(t);this.current=t.clone();this.current.resumeSMaskCtx=null},restore:function CanvasGraphics_restore(){this.current.resumeSMaskCtx&&this.resumeSMaskGroup();null===this.current.activeSMask||0!==this.stateStack.length&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask||this.endSMaskGroup();if(0!==this.stateStack.length){this.current=this.stateStack.pop();this.ctx.restore();this.pendingClip=null;this._cachedGetSinglePixelWidth=null}},transform:function CanvasGraphics_transform(t,r,a,o,i,l){this.ctx.transform(t,r,a,o,i,l);this._cachedGetSinglePixelWidth=null},constructPath:function CanvasGraphics_constructPath(t,r){for(var a=this.ctx,i=this.current,l=i.x,c=i.y,u=0,d=0,h=t.length;u<h;u++)switch(0|t[u]){case o.OPS.rectangle:l=r[d++];c=r[d++];var p=r[d++],m=r[d++];0===p&&a.lineWidth<this.getSinglePixelWidth()&&(p=this.getSinglePixelWidth());0===m&&a.lineWidth<this.getSinglePixelWidth()&&(m=this.getSinglePixelWidth());var v=l+p,g=c+m;a.moveTo(l,c);a.lineTo(v,c);a.lineTo(v,g);a.lineTo(l,g);a.lineTo(l,c);a.closePath();break;case o.OPS.moveTo:l=r[d++];c=r[d++];a.moveTo(l,c);break;case o.OPS.lineTo:l=r[d++];c=r[d++];a.lineTo(l,c);break;case o.OPS.curveTo:l=r[d+4];c=r[d+5];a.bezierCurveTo(r[d],r[d+1],r[d+2],r[d+3],l,c);d+=6;break;case o.OPS.curveTo2:a.bezierCurveTo(l,c,r[d],r[d+1],r[d+2],r[d+3]);l=r[d+2];c=r[d+3];d+=4;break;case o.OPS.curveTo3:l=r[d+2];c=r[d+3];a.bezierCurveTo(r[d],r[d+1],l,c,l,c);d+=4;break;case o.OPS.closePath:a.closePath()}i.setCurrentPoint(l,c)},closePath:function CanvasGraphics_closePath(){this.ctx.closePath()},stroke:function CanvasGraphics_stroke(t){t=void 0===t||t;var r=this.ctx,a=this.current.strokeColor;r.globalAlpha=this.current.strokeAlpha;if(this.contentVisible)if(a&&a.hasOwnProperty("type")&&"Pattern"===a.type){r.save();var i=r.mozCurrentTransform,l=o.Util.singularValueDecompose2dScale(i)[0];r.strokeStyle=a.getPattern(r,this);r.lineWidth=Math.max(.65*this.getSinglePixelWidth(),this.current.lineWidth*l);r.stroke();r.restore()}else{r.lineWidth=Math.max(.65*this.getSinglePixelWidth(),this.current.lineWidth);r.stroke()}t&&this.consumePath();r.globalAlpha=this.current.fillAlpha},closeStroke:function CanvasGraphics_closeStroke(){this.closePath();this.stroke()},fill:function CanvasGraphics_fill(t){t=void 0===t||t;var r=this.ctx,a=this.current.fillColor,o=!1;if(this.current.patternFill){r.save();this.baseTransform&&r.setTransform.apply(r,this.baseTransform);r.fillStyle=a.getPattern(r,this);o=!0}if(this.contentVisible)if(this.pendingEOFill){r.fill("evenodd");this.pendingEOFill=!1}else r.fill();o&&r.restore();t&&this.consumePath()},eoFill:function CanvasGraphics_eoFill(){this.pendingEOFill=!0;this.fill()},fillStroke:function CanvasGraphics_fillStroke(){this.fill(!1);this.stroke(!1);this.consumePath()},eoFillStroke:function CanvasGraphics_eoFillStroke(){this.pendingEOFill=!0;this.fillStroke()},closeFillStroke:function CanvasGraphics_closeFillStroke(){this.closePath();this.fillStroke()},closeEOFillStroke:function CanvasGraphics_closeEOFillStroke(){this.pendingEOFill=!0;this.closePath();this.fillStroke()},endPath:function CanvasGraphics_endPath(){this.consumePath()},clip:function CanvasGraphics_clip(){this.pendingClip=a},eoClip:function CanvasGraphics_eoClip(){this.pendingClip=u},beginText:function CanvasGraphics_beginText(){this.current.textMatrix=o.IDENTITY_MATRIX;this.current.textMatrixScale=1;this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},endText:function CanvasGraphics_endText(){var t=this.pendingTextPaths,r=this.ctx;if(void 0!==t){r.save();r.beginPath();for(var a=0;a<t.length;a++){var o=t[a];r.setTransform.apply(r,o.transform);r.translate(o.x,o.y);o.addToPath(r,o.fontSize)}r.restore();r.clip();r.beginPath();delete this.pendingTextPaths}else r.beginPath()},setCharSpacing:function CanvasGraphics_setCharSpacing(t){this.current.charSpacing=t},setWordSpacing:function CanvasGraphics_setWordSpacing(t){this.current.wordSpacing=t},setHScale:function CanvasGraphics_setHScale(t){this.current.textHScale=t/100},setLeading:function CanvasGraphics_setLeading(t){this.current.leading=-t},setFont:function CanvasGraphics_setFont(t,r){var a=this.commonObjs.get(t),i=this.current;if(!a)throw new Error("Can't find font for ".concat(t));i.fontMatrix=a.fontMatrix?a.fontMatrix:o.FONT_IDENTITY_MATRIX;0!==i.fontMatrix[0]&&0!==i.fontMatrix[3]||(0,o.warn)("Invalid font matrix for font "+t);if(r<0){r=-r;i.fontDirection=-1}else i.fontDirection=1;this.current.font=a;this.current.fontSize=r;if(!a.isType3Font){var l=a.loadedName||"sans-serif",c="normal";a.black?c="900":a.bold&&(c="bold");var u=a.italic?"italic":"normal",d='"'.concat(l,'", ').concat(a.fallbackName),h=r;r<16?h=16:r>100&&(h=100);this.current.fontSizeScale=r/h;this.ctx.font="".concat(u," ").concat(c," ").concat(h,"px ").concat(d)}},setTextRenderingMode:function CanvasGraphics_setTextRenderingMode(t){this.current.textRenderingMode=t},setTextRise:function CanvasGraphics_setTextRise(t){this.current.textRise=t},moveText:function CanvasGraphics_moveText(t,r){this.current.x=this.current.lineX+=t;this.current.y=this.current.lineY+=r},setLeadingMoveText:function CanvasGraphics_setLeadingMoveText(t,r){this.setLeading(-r);this.moveText(t,r)},setTextMatrix:function CanvasGraphics_setTextMatrix(t,r,a,o,i,l){this.current.textMatrix=[t,r,a,o,i,l];this.current.textMatrixScale=Math.sqrt(t*t+r*r);this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},nextLine:function CanvasGraphics_nextLine(){this.moveText(0,this.current.leading)},paintChar:function paintChar(t,r,a,i){var l,c=this.ctx,u=this.current,d=u.font,h=u.textRenderingMode,p=u.fontSize/u.fontSizeScale,m=h&o.TextRenderingMode.FILL_STROKE_MASK,v=!!(h&o.TextRenderingMode.ADD_TO_PATH_FLAG),g=u.patternFill&&!d.missingFile;(d.disableFontFace||v||g)&&(l=d.getPathGenerator(this.commonObjs,t));if(d.disableFontFace||g){c.save();c.translate(r,a);c.beginPath();l(c,p);i&&c.setTransform.apply(c,i);m!==o.TextRenderingMode.FILL&&m!==o.TextRenderingMode.FILL_STROKE||c.fill();m!==o.TextRenderingMode.STROKE&&m!==o.TextRenderingMode.FILL_STROKE||c.stroke();c.restore()}else{m!==o.TextRenderingMode.FILL&&m!==o.TextRenderingMode.FILL_STROKE||c.fillText(t,r,a);m!==o.TextRenderingMode.STROKE&&m!==o.TextRenderingMode.FILL_STROKE||c.strokeText(t,r,a)}if(v){(this.pendingTextPaths||(this.pendingTextPaths=[])).push({transform:c.mozCurrentTransform,x:r,y:a,fontSize:p,addToPath:l})}},get isFontSubpixelAAEnabled(){var t=this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled",10,10).context;t.scale(1.5,1);t.fillText("I",0,10);for(var r=t.getImageData(0,0,10,10).data,a=!1,i=3;i<r.length;i+=4)if(r[i]>0&&r[i]<255){a=!0;break}return(0,o.shadow)(this,"isFontSubpixelAAEnabled",a)},showText:function CanvasGraphics_showText(t){var r=this.current,a=r.font;if(a.isType3Font)return this.showType3Text(t);var i=r.fontSize;if(0!==i){var l,c=this.ctx,u=r.fontSizeScale,d=r.charSpacing,h=r.wordSpacing,p=r.fontDirection,m=r.textHScale*p,v=t.length,g=a.vertical,y=g?1:-1,b=a.defaultVMetrics,_=i*r.fontMatrix[0],S=r.textRenderingMode===o.TextRenderingMode.FILL&&!a.disableFontFace&&!r.patternFill;c.save();if(r.patternFill){c.save();var C=r.fillColor.getPattern(c,this);l=c.mozCurrentTransform;c.restore();c.fillStyle=C}c.transform.apply(c,r.textMatrix);c.translate(r.x,r.y+r.textRise);p>0?c.scale(m,-1):c.scale(m,1);var A=r.lineWidth,R=r.textMatrixScale;if(0===R||0===A){var k=r.textRenderingMode&o.TextRenderingMode.FILL_STROKE_MASK;if(k===o.TextRenderingMode.STROKE||k===o.TextRenderingMode.FILL_STROKE){this._cachedGetSinglePixelWidth=null;A=.65*this.getSinglePixelWidth()}}else A/=R;if(1!==u){c.scale(u,u);A/=u}c.lineWidth=A;var w,P=0;for(w=0;w<v;++w){var x=t[w];if((0,o.isNum)(x))P+=y*x*i/1e3;else{var T,E,O,I,D=!1,L=(x.isSpace?h:0)+d,M=x.fontChar,W=x.accent,j=x.width;if(g){var N,B,q;N=x.vmetric||b;B=-(B=x.vmetric?N[1]:.5*j)*_;q=N[2]*_;j=N?-N[0]:j;T=B/u;E=(P+q)/u}else{T=P/u;E=0}if(a.remeasure&&j>0){var G=1e3*c.measureText(M).width/i*u;if(j<G&&this.isFontSubpixelAAEnabled){var U=j/G;D=!0;c.save();c.scale(U,1);T/=U}else j!==G&&(T+=(j-G)/2e3*i/u)}if(this.contentVisible&&(x.isInFont||a.missingFile))if(S&&!W)c.fillText(M,T,E);else{this.paintChar(M,T,E,l);if(W){O=T+i*W.offset.x/u;I=E-i*W.offset.y/u;this.paintChar(W.fontChar,O,I,l)}}P+=g?j*_-L*p:j*_+L*p;D&&c.restore()}}g?r.y-=P:r.x+=P*m;c.restore()}},showType3Text:function CanvasGraphics_showType3Text(t){var r,a,i,l,c=this.ctx,u=this.current,d=u.font,h=u.fontSize,p=u.fontDirection,m=d.vertical?1:-1,v=u.charSpacing,g=u.wordSpacing,y=u.textHScale*p,b=u.fontMatrix||o.FONT_IDENTITY_MATRIX,_=t.length;if(!(u.textRenderingMode===o.TextRenderingMode.INVISIBLE)&&0!==h){this._cachedGetSinglePixelWidth=null;c.save();c.transform.apply(c,u.textMatrix);c.translate(u.x,u.y);c.scale(y,p);for(r=0;r<_;++r){a=t[r];if((0,o.isNum)(a)){l=m*a*h/1e3;this.ctx.translate(l,0);u.x+=l*y}else{var S=(a.isSpace?g:0)+v,C=d.charProcOperatorList[a.operatorListId];if(C){if(this.contentVisible){this.processingType3=a;this.save();c.scale(h,h);c.transform.apply(c,b);this.executeOperatorList(C);this.restore()}i=o.Util.applyTransform([a.width,0],b)[0]*h+S;c.translate(i,0);u.x+=i*y}else(0,o.warn)('Type3 character "'.concat(a.operatorListId,'" is not available.'))}}c.restore();this.processingType3=null}},setCharWidth:function CanvasGraphics_setCharWidth(t,r){},setCharWidthAndBounds:function CanvasGraphics_setCharWidthAndBounds(t,r,a,o,i,l){this.ctx.rect(a,o,i-a,l-o);this.clip();this.endPath()},getColorN_Pattern:function CanvasGraphics_getColorN_Pattern(t){var r,a=this;if("TilingPattern"===t[0]){var o=t[1],l=this.baseTransform||this.ctx.mozCurrentTransform.slice(),c={createCanvasGraphics:function createCanvasGraphics(t){return new CanvasGraphics(t,a.commonObjs,a.objs,a.canvasFactory,a.webGLContext)}};r=new i.TilingPattern(t,o,this.ctx,c,l)}else r=(0,i.getShadingPatternFromIR)(t);return r},setStrokeColorN:function CanvasGraphics_setStrokeColorN(){this.current.strokeColor=this.getColorN_Pattern(arguments)},setFillColorN:function CanvasGraphics_setFillColorN(){this.current.fillColor=this.getColorN_Pattern(arguments);this.current.patternFill=!0},setStrokeRGBColor:function CanvasGraphics_setStrokeRGBColor(t,r,a){var i=o.Util.makeCssRgb(t,r,a);this.ctx.strokeStyle=i;this.current.strokeColor=i},setFillRGBColor:function CanvasGraphics_setFillRGBColor(t,r,a){var i=o.Util.makeCssRgb(t,r,a);this.ctx.fillStyle=i;this.current.fillColor=i;this.current.patternFill=!1},shadingFill:function CanvasGraphics_shadingFill(t){if(this.contentVisible){var r=this.ctx;this.save();var a=(0,i.getShadingPatternFromIR)(t);r.fillStyle=a.getPattern(r,this,!0);var l=r.mozCurrentTransformInverse;if(l){var c=r.canvas,u=c.width,d=c.height,h=o.Util.applyTransform([0,0],l),p=o.Util.applyTransform([0,d],l),m=o.Util.applyTransform([u,0],l),v=o.Util.applyTransform([u,d],l),g=Math.min(h[0],p[0],m[0],v[0]),y=Math.min(h[1],p[1],m[1],v[1]),b=Math.max(h[0],p[0],m[0],v[0]),_=Math.max(h[1],p[1],m[1],v[1]);this.ctx.fillRect(g,y,b-g,_-y)}else this.ctx.fillRect(-1e10,-1e10,2e10,2e10);this.restore()}},beginInlineImage:function CanvasGraphics_beginInlineImage(){(0,o.unreachable)("Should not call beginInlineImage")},beginImageData:function CanvasGraphics_beginImageData(){(0,o.unreachable)("Should not call beginImageData")},paintFormXObjectBegin:function CanvasGraphics_paintFormXObjectBegin(t,r){if(this.contentVisible){this.save();this.baseTransformStack.push(this.baseTransform);Array.isArray(t)&&6===t.length&&this.transform.apply(this,t);this.baseTransform=this.ctx.mozCurrentTransform;if(r){var a=r[2]-r[0],o=r[3]-r[1];this.ctx.rect(r[0],r[1],a,o);this.clip();this.endPath()}}},paintFormXObjectEnd:function CanvasGraphics_paintFormXObjectEnd(){if(this.contentVisible){this.restore();this.baseTransform=this.baseTransformStack.pop()}},beginGroup:function CanvasGraphics_beginGroup(t){if(this.contentVisible){this.save();var r=this.ctx;t.isolated||(0,o.info)("TODO: Support non-isolated groups.");t.knockout&&(0,o.warn)("Knockout groups not supported.");var a=r.mozCurrentTransform;t.matrix&&r.transform.apply(r,t.matrix);if(!t.bbox)throw new Error("Bounding box is required.");var i=o.Util.getAxialAlignedBoundingBox(t.bbox,r.mozCurrentTransform),l=[0,0,r.canvas.width,r.canvas.height];i=o.Util.intersect(i,l)||[0,0,0,0];var c=Math.floor(i[0]),u=Math.floor(i[1]),d=Math.max(Math.ceil(i[2])-c,1),h=Math.max(Math.ceil(i[3])-u,1),p=1,m=1;if(d>4096){p=d/4096;d=4096}if(h>4096){m=h/4096;h=4096}var v="groupAt"+this.groupLevel;t.smask&&(v+="_smask_"+this.smaskCounter++%2);var g=this.cachedCanvases.getCanvas(v,d,h,!0),y=g.context;y.scale(1/p,1/m);y.translate(-c,-u);y.transform.apply(y,a);if(t.smask)this.smaskStack.push({canvas:g.canvas,context:y,offsetX:c,offsetY:u,scaleX:p,scaleY:m,subtype:t.smask.subtype,backdrop:t.smask.backdrop,transferMap:t.smask.transferMap||null,startTransformInverse:null});else{r.setTransform(1,0,0,1,0,0);r.translate(c,u);r.scale(p,m)}copyCtxState(r,y);this.ctx=y;this.setGState([["BM","source-over"],["ca",1],["CA",1]]);this.groupStack.push(r);this.groupLevel++;this.current.activeSMask=null}},endGroup:function CanvasGraphics_endGroup(t){if(this.contentVisible){this.groupLevel--;var r=this.ctx;this.ctx=this.groupStack.pop();void 0!==this.ctx.imageSmoothingEnabled?this.ctx.imageSmoothingEnabled=!1:this.ctx.mozImageSmoothingEnabled=!1;t.smask?this.tempSMask=this.smaskStack.pop():this.ctx.drawImage(r.canvas,0,0);this.restore()}},beginAnnotations:function CanvasGraphics_beginAnnotations(){this.save();this.baseTransform&&this.ctx.setTransform.apply(this.ctx,this.baseTransform)},endAnnotations:function CanvasGraphics_endAnnotations(){this.restore()},beginAnnotation:function CanvasGraphics_beginAnnotation(t,r,a){this.save();resetCtxToDefault(this.ctx);this.current=new c;if(Array.isArray(t)&&4===t.length){var o=t[2]-t[0],i=t[3]-t[1];this.ctx.rect(t[0],t[1],o,i);this.clip();this.endPath()}this.transform.apply(this,r);this.transform.apply(this,a)},endAnnotation:function CanvasGraphics_endAnnotation(){this.restore()},paintImageMaskXObject:function CanvasGraphics_paintImageMaskXObject(t){if(this.contentVisible){var r=this.ctx,a=t.width,o=t.height,i=this.current.fillColor,l=this.current.patternFill,c=this.processingType3;c&&void 0===c.compiled&&(c.compiled=a<=1e3&&o<=1e3?function compileType3Glyph(t){var r,a,o,i,l=t.width,c=t.height,u=l+1,d=new Uint8Array(u*(c+1)),h=new Uint8Array([0,2,4,0,1,0,5,4,8,10,0,8,0,2,1,0]),p=l+7&-8,m=t.data,v=new Uint8Array(p*c),g=0;for(r=0,i=m.length;r<i;r++)for(var y=128,b=m[r];y>0;){v[g++]=b&y?0:255;y>>=1}var _=0;if(0!==v[g=0]){d[0]=1;++_}for(a=1;a<l;a++){if(v[g]!==v[g+1]){d[a]=v[g]?2:1;++_}g++}if(0!==v[g]){d[a]=2;++_}for(r=1;r<c;r++){o=r*u;if(v[(g=r*p)-p]!==v[g]){d[o]=v[g]?1:8;++_}var S=(v[g]?4:0)+(v[g-p]?8:0);for(a=1;a<l;a++){if(h[S=(S>>2)+(v[g+1]?4:0)+(v[g-p+1]?8:0)]){d[o+a]=h[S];++_}g++}if(v[g-p]!==v[g]){d[o+a]=v[g]?2:4;++_}if(_>1e3)return null}o=r*u;if(0!==v[g=p*(c-1)]){d[o]=8;++_}for(a=1;a<l;a++){if(v[g]!==v[g+1]){d[o+a]=v[g]?4:8;++_}g++}if(0!==v[g]){d[o+a]=4;++_}if(_>1e3)return null;var C=new Int32Array([0,u,-1,0,-u,0,0,0,1]),A=[];for(r=0;_&&r<=c;r++){for(var R=r*u,k=R+l;R<k&&!d[R];)R++;if(R!==k){var w,P=[R%u,r],x=d[R],T=R;do{var E=C[x];do{R+=E}while(!d[R]);if(5!==(w=d[R])&&10!==w){x=w;d[R]=0}else{x=w&51*x>>4;d[R]&=x>>2|x<<2}P.push(R%u);P.push(R/u|0);d[R]||--_}while(T!==R);A.push(P);--r}}return function drawOutline(t){t.save();t.scale(1/l,-1/c);t.translate(0,-c);t.beginPath();for(var r=0,a=A.length;r<a;r++){var o=A[r];t.moveTo(o[0],o[1]);for(var i=2,u=o.length;i<u;i+=2)t.lineTo(o[i],o[i+1])}t.fill();t.beginPath();t.restore()}}({data:t.data,width:a,height:o}):null);if(c&&c.compiled)c.compiled(r);else{var u=this.cachedCanvases.getCanvas("maskCanvas",a,o),d=u.context;d.save();putBinaryImageMask(d,t);d.globalCompositeOperation="source-in";d.fillStyle=l?i.getPattern(d,this):i;d.fillRect(0,0,a,o);d.restore();this.paintInlineImageXObject(u.canvas)}}},paintImageMaskXObjectRepeat:function paintImageMaskXObjectRepeat(t,r){var a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,i=arguments.length>4?arguments[4]:void 0,l=arguments.length>5?arguments[5]:void 0;if(this.contentVisible){var c=t.width,u=t.height,d=this.current.fillColor,h=this.current.patternFill,p=this.cachedCanvases.getCanvas("maskCanvas",c,u),m=p.context;m.save();putBinaryImageMask(m,t);m.globalCompositeOperation="source-in";m.fillStyle=h?d.getPattern(m,this):d;m.fillRect(0,0,c,u);m.restore();for(var v=this.ctx,g=0,y=l.length;g<y;g+=2){v.save();v.transform(r,a,o,i,l[g],l[g+1]);v.scale(1,-1);v.drawImage(p.canvas,0,0,c,u,0,-1,1,1);v.restore()}}},paintImageMaskXObjectGroup:function CanvasGraphics_paintImageMaskXObjectGroup(t){if(this.contentVisible)for(var r=this.ctx,a=this.current.fillColor,o=this.current.patternFill,i=0,l=t.length;i<l;i++){var c=t[i],u=c.width,d=c.height,h=this.cachedCanvases.getCanvas("maskCanvas",u,d),p=h.context;p.save();putBinaryImageMask(p,c);p.globalCompositeOperation="source-in";p.fillStyle=o?a.getPattern(p,this):a;p.fillRect(0,0,u,d);p.restore();r.save();r.transform.apply(r,c.transform);r.scale(1,-1);r.drawImage(h.canvas,0,0,u,d,0,-1,1,1);r.restore()}},paintImageXObject:function CanvasGraphics_paintImageXObject(t){if(this.contentVisible){var r=t.startsWith("g_")?this.commonObjs.get(t):this.objs.get(t);r?this.paintInlineImageXObject(r):(0,o.warn)("Dependent image isn't ready yet")}},paintImageXObjectRepeat:function CanvasGraphics_paintImageXObjectRepeat(t,r,a,i){if(this.contentVisible){var l=t.startsWith("g_")?this.commonObjs.get(t):this.objs.get(t);if(l){for(var c=l.width,u=l.height,d=[],h=0,p=i.length;h<p;h+=2)d.push({transform:[r,0,0,a,i[h],i[h+1]],x:0,y:0,w:c,h:u});this.paintInlineImageXObjectGroup(l,d)}else(0,o.warn)("Dependent image isn't ready yet")}},paintInlineImageXObject:function CanvasGraphics_paintInlineImageXObject(t){if(this.contentVisible){var r=t.width,a=t.height,o=this.ctx;this.save();o.scale(1/r,-1/a);var i,l,c=o.mozCurrentTransformInverse,u=c[0],d=c[1],h=Math.max(Math.sqrt(u*u+d*d),1),p=c[2],m=c[3],v=Math.max(Math.sqrt(p*p+m*m),1);if("function"==typeof HTMLElement&&t instanceof HTMLElement||!t.data)i=t;else{var g=(l=this.cachedCanvases.getCanvas("inlineImage",r,a)).context;putBinaryImageData(g,t,this.current.transferMaps);i=l.canvas}for(var y=r,b=a,_="prescale1";h>2&&y>1||v>2&&b>1;){var S=y,C=b;h>2&&y>1&&(h/=y/(S=Math.ceil(y/2)));v>2&&b>1&&(v/=b/(C=Math.ceil(b/2)));(g=(l=this.cachedCanvases.getCanvas(_,S,C)).context).clearRect(0,0,S,C);g.drawImage(i,0,0,y,b,0,0,S,C);i=l.canvas;y=S;b=C;_="prescale1"===_?"prescale2":"prescale1"}o.drawImage(i,0,0,y,b,0,-a,r,a);if(this.imageLayer){var A=this.getCanvasPosition(0,-a);this.imageLayer.appendImage({imgData:t,left:A[0],top:A[1],width:r/c[0],height:a/c[3]})}this.restore()}},paintInlineImageXObjectGroup:function CanvasGraphics_paintInlineImageXObjectGroup(t,r){if(this.contentVisible){var a=this.ctx,o=t.width,i=t.height,l=this.cachedCanvases.getCanvas("inlineImage",o,i);putBinaryImageData(l.context,t,this.current.transferMaps);for(var c=0,u=r.length;c<u;c++){var d=r[c];a.save();a.transform.apply(a,d.transform);a.scale(1,-1);a.drawImage(l.canvas,d.x,d.y,d.w,d.h,0,-1,1,1);if(this.imageLayer){var h=this.getCanvasPosition(d.x,d.y);this.imageLayer.appendImage({imgData:t,left:h[0],top:h[1],width:o,height:i})}a.restore()}}},paintSolidColorImageMask:function CanvasGraphics_paintSolidColorImageMask(){this.contentVisible&&this.ctx.fillRect(0,0,1,1)},markPoint:function CanvasGraphics_markPoint(t){},markPointProps:function CanvasGraphics_markPointProps(t,r){},beginMarkedContent:function CanvasGraphics_beginMarkedContent(t){this.markedContentStack.push({visible:!0})},beginMarkedContentProps:function CanvasGraphics_beginMarkedContentProps(t,r){"OC"===t?this.markedContentStack.push({visible:this.optionalContentConfig.isVisible(r)}):this.markedContentStack.push({visible:!0});this.contentVisible=this.isContentVisible()},endMarkedContent:function CanvasGraphics_endMarkedContent(){this.markedContentStack.pop();this.contentVisible=this.isContentVisible()},beginCompat:function CanvasGraphics_beginCompat(){},endCompat:function CanvasGraphics_endCompat(){},consumePath:function CanvasGraphics_consumePath(){var t=this.ctx;if(this.pendingClip){this.pendingClip===u?t.clip("evenodd"):t.clip();this.pendingClip=null}t.beginPath()},getSinglePixelWidth:function getSinglePixelWidth(t){if(null===this._cachedGetSinglePixelWidth){var r=this.ctx.mozCurrentTransformInverse;this._cachedGetSinglePixelWidth=Math.sqrt(Math.max(r[0]*r[0]+r[1]*r[1],r[2]*r[2]+r[3]*r[3]))}return this._cachedGetSinglePixelWidth},getCanvasPosition:function CanvasGraphics_getCanvasPosition(t,r){var a=this.ctx.mozCurrentTransform;return[a[0]*t+a[2]*r+a[4],a[1]*t+a[3]*r+a[5]]},isContentVisible:function CanvasGraphics_isContentVisible(){for(var t=this.markedContentStack.length-1;t>=0;t--)if(!this.markedContentStack[t].visible)return!1;return!0}};for(var d in o.OPS)CanvasGraphics.prototype[o.OPS[d]]=CanvasGraphics.prototype[d];return CanvasGraphics}();r.CanvasGraphics=u},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.getShadingPatternFromIR=function getShadingPatternFromIR(t){var r=i[t[0]];if(!r)throw new Error("Unknown IR type: ".concat(t[0]));return r.fromIR(t)};r.TilingPattern=void 0;var o=a(5),i={};function applyBoundingBox(t,r){if(r&&"undefined"!=typeof Path2D){var a=r[2]-r[0],o=r[3]-r[1],i=new Path2D;i.rect(r[0],r[1],a,o);t.clip(i)}}i.RadialAxial={fromIR:function RadialAxial_fromIR(t){var r=t[1],a=t[2],o=t[3],i=t[4],l=t[5],c=t[6],u=t[7];return{type:"Pattern",getPattern:function RadialAxial_getPattern(t){applyBoundingBox(t,a);var d;"axial"===r?d=t.createLinearGradient(i[0],i[1],l[0],l[1]):"radial"===r&&(d=t.createRadialGradient(i[0],i[1],c,l[0],l[1],u));for(var h=0,p=o.length;h<p;++h){var m=o[h];d.addColorStop(m[0],m[1])}return d}}}};var l=function createMeshCanvasClosure(){function drawTriangle(t,r,a,o,i,l,c,u){var d,h=r.coords,p=r.colors,m=t.data,v=4*t.width;if(h[a+1]>h[o+1]){d=a;a=o;o=d;d=l;l=c;c=d}if(h[o+1]>h[i+1]){d=o;o=i;i=d;d=c;c=u;u=d}if(h[a+1]>h[o+1]){d=a;a=o;o=d;d=l;l=c;c=d}var g=(h[a]+r.offsetX)*r.scaleX,y=(h[a+1]+r.offsetY)*r.scaleY,b=(h[o]+r.offsetX)*r.scaleX,_=(h[o+1]+r.offsetY)*r.scaleY,S=(h[i]+r.offsetX)*r.scaleX,C=(h[i+1]+r.offsetY)*r.scaleY;if(!(y>=C))for(var A,R,k,w,P,x,T,E,O=p[l],I=p[l+1],D=p[l+2],L=p[c],M=p[c+1],W=p[c+2],j=p[u],N=p[u+1],B=p[u+2],q=Math.round(y),G=Math.round(C),U=q;U<=G;U++){if(U<_){var z=void 0;A=g-(g-b)*(z=U<y?0:y===_?1:(y-U)/(y-_));R=O-(O-L)*z;k=I-(I-M)*z;w=D-(D-W)*z}else{var H=void 0;A=b-(b-S)*(H=U>C?1:_===C?0:(_-U)/(_-C));R=L-(L-j)*H;k=M-(M-N)*H;w=W-(W-B)*H}var V=void 0;P=g-(g-S)*(V=U<y?0:U>C?1:(y-U)/(y-C));x=O-(O-j)*V;T=I-(I-N)*V;E=D-(D-B)*V;for(var Y=Math.round(Math.min(A,P)),X=Math.round(Math.max(A,P)),Q=v*U+4*Y,K=Y;K<=X;K++){(V=(A-K)/(A-P))<0?V=0:V>1&&(V=1);m[Q++]=R-(R-x)*V|0;m[Q++]=k-(k-T)*V|0;m[Q++]=w-(w-E)*V|0;m[Q++]=255}}}function drawFigure(t,r,a){var o,i,l=r.coords,c=r.colors;switch(r.type){case"lattice":var u=r.verticesPerRow,d=Math.floor(l.length/u)-1,h=u-1;for(o=0;o<d;o++)for(var p=o*u,m=0;m<h;m++,p++){drawTriangle(t,a,l[p],l[p+1],l[p+u],c[p],c[p+1],c[p+u]);drawTriangle(t,a,l[p+u+1],l[p+1],l[p+u],c[p+u+1],c[p+1],c[p+u])}break;case"triangles":for(o=0,i=l.length;o<i;o+=3)drawTriangle(t,a,l[o],l[o+1],l[o+2],c[o],c[o+1],c[o+2]);break;default:throw new Error("illegal figure")}}return function createMeshCanvas(t,r,a,o,i,l,c,u){var d,h,p,m,v=Math.floor(t[0]),g=Math.floor(t[1]),y=Math.ceil(t[2])-v,b=Math.ceil(t[3])-g,_=Math.min(Math.ceil(Math.abs(y*r[0]*1.1)),3e3),S=Math.min(Math.ceil(Math.abs(b*r[1]*1.1)),3e3),C=y/_,A=b/S,R={coords:a,colors:o,offsetX:-v,offsetY:-g,scaleX:1/C,scaleY:1/A},k=_+4,w=S+4;if(u.isEnabled){d=u.drawFigures({width:_,height:S,backgroundColor:l,figures:i,context:R});(h=c.getCanvas("mesh",k,w,!1)).context.drawImage(d,2,2);d=h.canvas}else{var P=(h=c.getCanvas("mesh",k,w,!1)).context,x=P.createImageData(_,S);if(l){var T=x.data;for(p=0,m=T.length;p<m;p+=4){T[p]=l[0];T[p+1]=l[1];T[p+2]=l[2];T[p+3]=255}}for(p=0;p<i.length;p++)drawFigure(x,i[p],R);P.putImageData(x,2,2);d=h.canvas}return{canvas:d,offsetX:v-2*C,offsetY:g-2*A,scaleX:C,scaleY:A}}}();i.Mesh={fromIR:function Mesh_fromIR(t){var r=t[2],a=t[3],i=t[4],c=t[5],u=t[6],d=t[7],h=t[8];return{type:"Pattern",getPattern:function Mesh_getPattern(t,p,m){applyBoundingBox(t,d);var v;if(m)v=o.Util.singularValueDecompose2dScale(t.mozCurrentTransform);else{v=o.Util.singularValueDecompose2dScale(p.baseTransform);if(u){var g=o.Util.singularValueDecompose2dScale(u);v=[v[0]*g[0],v[1]*g[1]]}}var y=l(c,v,r,a,i,m?null:h,p.cachedCanvases,p.webGLContext);if(!m){t.setTransform.apply(t,p.baseTransform);u&&t.transform.apply(t,u)}t.translate(y.offsetX,y.offsetY);t.scale(y.scaleX,y.scaleY);return t.createPattern(y.canvas,"no-repeat")}}}};i.Dummy={fromIR:function Dummy_fromIR(){return{type:"Pattern",getPattern:function Dummy_fromIR_getPattern(){return"hotpink"}}}};var c=function TilingPatternClosure(){var t=1,r=2;function TilingPattern(t,r,a,o,i){this.operatorList=t[2];this.matrix=t[3]||[1,0,0,1,0,0];this.bbox=t[4];this.xstep=t[5];this.ystep=t[6];this.paintType=t[7];this.tilingType=t[8];this.color=r;this.canvasGraphicsFactory=o;this.baseTransform=i;this.type="Pattern";this.ctx=a}TilingPattern.prototype={createPatternCanvas:function TilinPattern_createPatternCanvas(t){var r=this.operatorList,a=this.bbox,i=this.xstep,l=this.ystep,c=this.paintType,u=this.tilingType,d=this.color,h=this.canvasGraphicsFactory;(0,o.info)("TilingType: "+u);var p=a[0],m=a[1],v=a[2],g=a[3],y=o.Util.singularValueDecompose2dScale(this.matrix),b=o.Util.singularValueDecompose2dScale(this.baseTransform),_=[y[0]*b[0],y[1]*b[1]],S=this.getSizeAndScale(i,this.ctx.canvas.width,_[0]),C=this.getSizeAndScale(l,this.ctx.canvas.height,_[1]),A=t.cachedCanvases.getCanvas("pattern",S.size,C.size,!0),R=A.context,k=h.createCanvasGraphics(R);k.groupLevel=t.groupLevel;this.setFillAndStrokeStyleToContext(k,c,d);k.transform(S.scale,0,0,C.scale,0,0);k.transform(1,0,0,1,-p,-m);this.clipBbox(k,a,p,m,v,g);k.executeOperatorList(r);this.ctx.transform(1,0,0,1,p,m);this.ctx.scale(1/S.scale,1/C.scale);return A.canvas},getSizeAndScale:function TilingPattern_getSizeAndScale(t,r,a){t=Math.abs(t);var o=Math.max(3e3,r),i=Math.ceil(t*a);i>=o?i=o:a=i/t;return{scale:a,size:i}},clipBbox:function clipBbox(t,r,a,o,i,l){if(Array.isArray(r)&&4===r.length){var c=i-a,u=l-o;t.ctx.rect(a,o,c,u);t.clip();t.endPath()}},setFillAndStrokeStyleToContext:function setFillAndStrokeStyleToContext(a,i,l){var c=a.ctx,u=a.current;switch(i){case t:var d=this.ctx;c.fillStyle=d.fillStyle;c.strokeStyle=d.strokeStyle;u.fillColor=d.fillStyle;u.strokeColor=d.strokeStyle;break;case r:var h=o.Util.makeCssRgb(l[0],l[1],l[2]);c.fillStyle=h;c.strokeStyle=h;u.fillColor=h;u.strokeColor=h;break;default:throw new o.FormatError("Unsupported paint type: ".concat(i))}},getPattern:function TilingPattern_getPattern(t,r){(t=this.ctx).setTransform.apply(t,this.baseTransform);t.transform.apply(t,this.matrix);var a=this.createPatternCanvas(r);return t.createPattern(a,"repeat")}};return TilingPattern}();r.TilingPattern=c},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.GlobalWorkerOptions=void 0;var o=Object.create(null);r.GlobalWorkerOptions=o;o.workerPort=void 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Promise((function(r){r(a(t.data,d))})).then((function(){u.postMessage({sourceName:l,targetName:c,stream:y,streamId:o,success:!0})}),(function(t){u.postMessage({sourceName:l,targetName:c,stream:y,streamId:o,reason:wrapReason(t)})}))}},{key:"_processStreamMessage",value:function _processStreamMessage(t){var r=t.streamId,a=this.sourceName,o=t.sourceName,l=this.comObj;switch(t.stream){case y:t.success?this.streamControllers[r].startCall.resolve():this.streamControllers[r].startCall.reject(wrapReason(t.reason));break;case g:t.success?this.streamControllers[r].pullCall.resolve():this.streamControllers[r].pullCall.reject(wrapReason(t.reason));break;case v:if(!this.streamSinks[r]){l.postMessage({sourceName:a,targetName:o,stream:g,streamId:r,success:!0});break}this.streamSinks[r].desiredSize<=0&&t.desiredSize>0&&this.streamSinks[r].sinkCapability.resolve();this.streamSinks[r].desiredSize=t.desiredSize;var c=this.streamSinks[t.streamId].onPull;new 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a=this._rangeReaders.some((function(a){if(a._begin!==t.begin)return!1;a._enqueue(r);return!0}));(0,i.assert)(a,"_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.")}}},{key:"_onProgress",value:function _onProgress(t){if(void 0===t.total){var r=this._rangeReaders[0];r&&r.onProgress&&r.onProgress({loaded:t.loaded})}else{var a=this._fullRequestReader;a&&a.onProgress&&a.onProgress({loaded:t.loaded,total:t.total})}}},{key:"_onProgressiveDone",value:function _onProgressiveDone(){this._fullRequestReader&&this._fullRequestReader.progressiveDone();this._progressiveDone=!0}},{key:"_removeRangeReader",value:function _removeRangeReader(t){var r=this._rangeReaders.indexOf(t);r>=0&&this._rangeReaders.splice(r,1)}},{key:"getFullReader",value:function getFullReader(){(0,i.assert)(!this._fullRequestReader,"PDFDataTransportStream.getFullReader can only be called once.");var t=this._queuedChunks;this._queuedChunks=null;return new c(this,t,this._progressiveDone)}},{key:"getRangeReader",value:function getRangeReader(t,r){if(r<=this._progressiveDataLength)return null;var a=new u(this,t,r);this._pdfDataRangeTransport.requestDataRange(t,r);this._rangeReaders.push(a);return a}},{key:"cancelAllRequests",value:function cancelAllRequests(t){this._fullRequestReader&&this._fullRequestReader.cancel(t);this._rangeReaders.slice(0).forEach((function(r){r.cancel(t)}));this._pdfDataRangeTransport.abort()}},{key:"_progressiveDataLength",get:function get(){return this._fullRequestReader?this._fullRequestReader._loaded:0}}]);return PDFDataTransportStream}();r.PDFDataTransportStream=l;var c=function(){function PDFDataTransportStreamReader(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2];_classCallCheck(this,PDFDataTransportStreamReader);this._stream=t;this._done=a||!1;this._filename=null;this._queuedChunks=r||[];this._loaded=0;var o,i=_createForOfIteratorHelper(this._queuedChunks);try{for(i.s();!(o=i.n()).done;){var l=o.value;this._loaded+=l.byteLength}}catch(t){i.e(t)}finally{i.f()}this._requests=[];this._headersReady=Promise.resolve();t._fullRequestReader=this;this.onProgress=null}_createClass(PDFDataTransportStreamReader,[{key:"_enqueue",value:function _enqueue(t){if(!this._done){if(this._requests.length>0){this._requests.shift().resolve({value:t,done:!1})}else this._queuedChunks.push(t);this._loaded+=t.byteLength}}},{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee(){var t,r;return o.default.wrap((function _callee$(a){for(;;)switch(a.prev=a.next){case 0:if(!(this._queuedChunks.length>0)){a.next=3;break}t=this._queuedChunks.shift();return a.abrupt("return",{value:t,done:!1});case 3:if(!this._done){a.next=5;break}return a.abrupt("return",{value:void 0,done:!0});case 5:r=(0,i.createPromiseCapability)();this._requests.push(r);return a.abrupt("return",r.promise);case 8:case"end":return a.stop()}}),_callee,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._done=!0;this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[]}},{key:"progressiveDone",value:function progressiveDone(){this._done||(this._done=!0)}},{key:"headersReady",get:function get(){return this._headersReady}},{key:"filename",get:function get(){return this._filename}},{key:"isRangeSupported",get:function get(){return this._stream._isRangeSupported}},{key:"isStreamingSupported",get:function get(){return this._stream._isStreamingSupported}},{key:"contentLength",get:function get(){return this._stream._contentLength}}]);var t;return PDFDataTransportStreamReader}(),u=function(){function PDFDataTransportStreamRangeReader(t,r,a){_classCallCheck(this,PDFDataTransportStreamRangeReader);this._stream=t;this._begin=r;this._end=a;this._queuedChunk=null;this._requests=[];this._done=!1;this.onProgress=null}_createClass(PDFDataTransportStreamRangeReader,[{key:"_enqueue",value:function _enqueue(t){if(!this._done){if(0===this._requests.length)this._queuedChunk=t;else{this._requests.shift().resolve({value:t,done:!1});this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[]}this._done=!0;this._stream._removeRangeReader(this)}}},{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee2(){var t,r;return o.default.wrap((function _callee2$(a){for(;;)switch(a.prev=a.next){case 0:if(!this._queuedChunk){a.next=4;break}t=this._queuedChunk;this._queuedChunk=null;return a.abrupt("return",{value:t,done:!1});case 4:if(!this._done){a.next=6;break}return a.abrupt("return",{value:void 0,done:!0});case 6:r=(0,i.createPromiseCapability)();this._requests.push(r);return a.abrupt("return",r.promise);case 9:case"end":return a.stop()}}),_callee2,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._done=!0;this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[];this._stream._removeRangeReader(this)}},{key:"isStreamingSupported",get:function get(){return!1}}]);var t;return PDFDataTransportStreamRangeReader}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.WebGLContext=void 0;var o=a(5);function _defineProperties(t,r){for(var a=0;a<r.length;a++){var o=r[a];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}var i=function(){function WebGLContext(t){var r=t.enable,a=void 0!==r&&r;!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,WebGLContext);this._enabled=!0===a}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(WebGLContext,[{key:"composeSMask",value:function composeSMask(t){var r=t.layer,a=t.mask,o=t.properties;return l.composeSMask(r,a,o)}},{key:"drawFigures",value:function drawFigures(t){var r=t.width,a=t.height,o=t.backgroundColor,i=t.figures,c=t.context;return l.drawFigures(r,a,o,i,c)}},{key:"clear",value:function clear(){l.cleanup()}},{key:"isEnabled",get:function get(){var t=this._enabled;t&&(t=l.tryInitGL());return(0,o.shadow)(this,"isEnabled",t)}}]);return WebGLContext}();r.WebGLContext=i;var l=function WebGLUtilsClosure(){function loadShader(t,r,a){var o=t.createShader(a);t.shaderSource(o,r);t.compileShader(o);if(!t.getShaderParameter(o,t.COMPILE_STATUS)){var i=t.getShaderInfoLog(o);throw new Error("Error during shader compilation: "+i)}return o}function createVertexShader(t,r){return loadShader(t,r,t.VERTEX_SHADER)}function createFragmentShader(t,r){return loadShader(t,r,t.FRAGMENT_SHADER)}function createProgram(t,r){for(var a=t.createProgram(),o=0,i=r.length;o<i;++o)t.attachShader(a,r[o]);t.linkProgram(a);if(!t.getProgramParameter(a,t.LINK_STATUS)){var l=t.getProgramInfoLog(a);throw new Error("Error during program linking: "+l)}return a}function createTexture(t,r,a){t.activeTexture(a);var o=t.createTexture();t.bindTexture(t.TEXTURE_2D,o);t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE);t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE);t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST);t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST);t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r);return o}var t,r;function generateGL(){if(!t){r=document.createElement("canvas");t=r.getContext("webgl",{premultipliedalpha:!1})}}var a=null;var o=null;return{tryInitGL:function tryInitGL(){try{generateGL();return!!t}catch(t){}return!1},composeSMask:function composeSMask(o,i,l){var c=o.width,u=o.height;a||function initSmaskGL(){var o,i;generateGL();o=r;r=null;i=t;t=null;var l=createProgram(i,[createVertexShader(i,"  attribute vec2 a_position;                                      attribute vec2 a_texCoord;                                                                                                      uniform vec2 u_resolution;                                                                                                      varying vec2 v_texCoord;                                                                                                        void main() {                                                     vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;       gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);                                                                              v_texCoord = a_texCoord;                                      }                                                             "),createFragmentShader(i,"  precision mediump float;                                                                                                        uniform vec4 u_backdrop;                                        uniform int u_subtype;                                          uniform sampler2D u_image;                                      uniform sampler2D u_mask;                                                                                                       varying vec2 v_texCoord;                                                                                                        void main() {                                                     vec4 imageColor = texture2D(u_image, v_texCoord);               vec4 maskColor = texture2D(u_mask, v_texCoord);                 if (u_backdrop.a > 0.0) {                                         maskColor.rgb = maskColor.rgb * maskColor.a +                                   u_backdrop.rgb * (1.0 - maskColor.a);         }                                                               float lum;                                                      if (u_subtype == 0) {                                             lum = maskColor.a;                                            } else {                                                          lum = maskColor.r * 0.3 + maskColor.g * 0.59 +                        maskColor.b * 0.11;                                     }                                                               imageColor.a *= lum;                                            imageColor.rgb *= imageColor.a;                                 gl_FragColor = imageColor;                                    }                                                             ")]);i.useProgram(l);var c={};c.gl=i;c.canvas=o;c.resolutionLocation=i.getUniformLocation(l,"u_resolution");c.positionLocation=i.getAttribLocation(l,"a_position");c.backdropLocation=i.getUniformLocation(l,"u_backdrop");c.subtypeLocation=i.getUniformLocation(l,"u_subtype");var u=i.getAttribLocation(l,"a_texCoord"),d=i.getUniformLocation(l,"u_image"),h=i.getUniformLocation(l,"u_mask"),p=i.createBuffer();i.bindBuffer(i.ARRAY_BUFFER,p);i.bufferData(i.ARRAY_BUFFER,new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]),i.STATIC_DRAW);i.enableVertexAttribArray(u);i.vertexAttribPointer(u,2,i.FLOAT,!1,0,0);i.uniform1i(d,0);i.uniform1i(h,1);a=c}();var d=a,h=d.canvas,p=d.gl;h.width=c;h.height=u;p.viewport(0,0,p.drawingBufferWidth,p.drawingBufferHeight);p.uniform2f(d.resolutionLocation,c,u);l.backdrop?p.uniform4f(d.resolutionLocation,l.backdrop[0],l.backdrop[1],l.backdrop[2],1):p.uniform4f(d.resolutionLocation,0,0,0,0);p.uniform1i(d.subtypeLocation,"Luminosity"===l.subtype?1:0);var m=createTexture(p,o,p.TEXTURE0),v=createTexture(p,i,p.TEXTURE1),g=p.createBuffer();p.bindBuffer(p.ARRAY_BUFFER,g);p.bufferData(p.ARRAY_BUFFER,new Float32Array([0,0,c,0,0,u,0,u,c,0,c,u]),p.STATIC_DRAW);p.enableVertexAttribArray(d.positionLocation);p.vertexAttribPointer(d.positionLocation,2,p.FLOAT,!1,0,0);p.clearColor(0,0,0,0);p.enable(p.BLEND);p.blendFunc(p.ONE,p.ONE_MINUS_SRC_ALPHA);p.clear(p.COLOR_BUFFER_BIT);p.drawArrays(p.TRIANGLES,0,6);p.flush();p.deleteTexture(m);p.deleteTexture(v);p.deleteBuffer(g);return h},drawFigures:function drawFigures(a,i,l,c,u){o||function initFiguresGL(){var a,i;generateGL();a=r;r=null;i=t;t=null;var l=createProgram(i,[createVertexShader(i,"  attribute vec2 a_position;                                      attribute vec3 a_color;                                                                                                         uniform vec2 u_resolution;                                      uniform vec2 u_scale;                                           uniform vec2 u_offset;                                                                                                          varying vec4 v_color;                                                                                                           void main() {                                                     vec2 position = (a_position + u_offset) * u_scale;              vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;         gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);                                                                              v_color = vec4(a_color / 255.0, 1.0);                         }                                                             "),createFragmentShader(i,"  precision mediump float;                                                                                                        varying vec4 v_color;                                                                                                           void main() {                                                     gl_FragColor = v_color;                                       }                                                             ")]);i.useProgram(l);var c={};c.gl=i;c.canvas=a;c.resolutionLocation=i.getUniformLocation(l,"u_resolution");c.scaleLocation=i.getUniformLocation(l,"u_scale");c.offsetLocation=i.getUniformLocation(l,"u_offset");c.positionLocation=i.getAttribLocation(l,"a_position");c.colorLocation=i.getAttribLocation(l,"a_color");o=c}();var d=o,h=d.canvas,p=d.gl;h.width=a;h.height=i;p.viewport(0,0,p.drawingBufferWidth,p.drawingBufferHeight);p.uniform2f(d.resolutionLocation,a,i);var m,v,g,y=0;for(m=0,v=c.length;m<v;m++)switch(c[m].type){case"lattice":y+=((g=c[m].coords.length/c[m].verticesPerRow|0)-1)*(c[m].verticesPerRow-1)*6;break;case"triangles":y+=c[m].coords.length}var b=new Float32Array(2*y),_=new Uint8Array(3*y),S=u.coords,C=u.colors,A=0,R=0;for(m=0,v=c.length;m<v;m++){var k=c[m],w=k.coords,P=k.colors;switch(k.type){case"lattice":var x=k.verticesPerRow;g=w.length/x|0;for(var T=1;T<g;T++)for(var E=T*x+1,O=1;O<x;O++,E++){b[A]=S[w[E-x-1]];b[A+1]=S[w[E-x-1]+1];b[A+2]=S[w[E-x]];b[A+3]=S[w[E-x]+1];b[A+4]=S[w[E-1]];b[A+5]=S[w[E-1]+1];_[R]=C[P[E-x-1]];_[R+1]=C[P[E-x-1]+1];_[R+2]=C[P[E-x-1]+2];_[R+3]=C[P[E-x]];_[R+4]=C[P[E-x]+1];_[R+5]=C[P[E-x]+2];_[R+6]=C[P[E-1]];_[R+7]=C[P[E-1]+1];_[R+8]=C[P[E-1]+2];b[A+6]=b[A+2];b[A+7]=b[A+3];b[A+8]=b[A+4];b[A+9]=b[A+5];b[A+10]=S[w[E]];b[A+11]=S[w[E]+1];_[R+9]=_[R+3];_[R+10]=_[R+4];_[R+11]=_[R+5];_[R+12]=_[R+6];_[R+13]=_[R+7];_[R+14]=_[R+8];_[R+15]=C[P[E]];_[R+16]=C[P[E]+1];_[R+17]=C[P[E]+2];A+=12;R+=18}break;case"triangles":for(var I=0,D=w.length;I<D;I++){b[A]=S[w[I]];b[A+1]=S[w[I]+1];_[R]=C[P[I]];_[R+1]=C[P[I]+1];_[R+2]=C[P[I]+2];A+=2;R+=3}}}l?p.clearColor(l[0]/255,l[1]/255,l[2]/255,1):p.clearColor(0,0,0,0);p.clear(p.COLOR_BUFFER_BIT);var L=p.createBuffer();p.bindBuffer(p.ARRAY_BUFFER,L);p.bufferData(p.ARRAY_BUFFER,b,p.STATIC_DRAW);p.enableVertexAttribArray(d.positionLocation);p.vertexAttribPointer(d.positionLocation,2,p.FLOAT,!1,0,0);var M=p.createBuffer();p.bindBuffer(p.ARRAY_BUFFER,M);p.bufferData(p.ARRAY_BUFFER,_,p.STATIC_DRAW);p.enableVertexAttribArray(d.colorLocation);p.vertexAttribPointer(d.colorLocation,3,p.UNSIGNED_BYTE,!1,0,0);p.uniform2f(d.scaleLocation,u.scaleX,u.scaleY);p.uniform2f(d.offsetLocation,u.offsetX,u.offsetY);p.drawArrays(p.TRIANGLES,0,y);p.flush();p.deleteBuffer(L);p.deleteBuffer(M);return h},cleanup:function cleanup(){if(a&&a.canvas){a.canvas.width=0;a.canvas.height=0}if(o&&o.canvas){o.canvas.width=0;o.canvas.height=0}a=null;o=null}}}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.AnnotationLayer=void 0;var o=a(1),i=a(5),l=a(205);function _get(t,r,a){return(_get="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function _get(t,r,a){var o=function _superPropBase(t,r){for(;!Object.prototype.hasOwnProperty.call(t,r)&&null!==(t=_getPrototypeOf(t)););return t}(t,r);if(o){var i=Object.getOwnPropertyDescriptor(o,r);return i.get?i.get.call(a):i.value}})(t,r,a||t)}function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(a=function _unsupportedIterableToArray(t,r){if(!t)return;if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);if("Map"===a||"Set"===a)return Array.from(t);if("Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a))return _arrayLikeToArray(t,r)}(t))||r&&t&&"number"==typeof t.length){a&&(t=a);var o=0,i=function F(){};return{s:i,n:function n(){return o>=t.length?{done:!0}:{done:!1,value:t[o++]}},e:function e(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var l,c=!0,u=!1;return{s:function s(){a=t[Symbol.iterator]()},n:function n(){var t=a.next();c=t.done;return t},e:function e(t){u=!0;l=t},f:function f(){try{c||null==a.return||a.return()}finally{if(u)throw l}}}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,o=new Array(r);a<r;a++)o[a]=t[a];return o}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,o=_getPrototypeOf(t);if(r){var i=_getPrototypeOf(this).constructor;a=Reflect.construct(o,arguments,i)}else a=o.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?_assertThisInitialized(t):r}function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var o=r[a];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var c=function(){function AnnotationElementFactory(){_classCallCheck(this,AnnotationElementFactory)}_createClass(AnnotationElementFactory,null,[{key:"create",value:function create(t){switch(t.data.annotationType){case i.AnnotationType.LINK:return new d(t);case i.AnnotationType.TEXT:return new h(t);case i.AnnotationType.WIDGET:switch(t.data.fieldType){case"Tx":return new m(t);case"Btn":return t.data.radioButton?new g(t):t.data.checkBox?new v(t):new y(t);case"Ch":return new b(t)}return new p(t);case i.AnnotationType.POPUP:return new _(t);case i.AnnotationType.FREETEXT:return new C(t);case i.AnnotationType.LINE:return new A(t);case i.AnnotationType.SQUARE:return new R(t);case i.AnnotationType.CIRCLE:return new k(t);case i.AnnotationType.POLYLINE:return new w(t);case i.AnnotationType.CARET:return new x(t);case i.AnnotationType.INK:return new T(t);case i.AnnotationType.POLYGON:return new P(t);case i.AnnotationType.HIGHLIGHT:return new E(t);case i.AnnotationType.UNDERLINE:return new O(t);case i.AnnotationType.SQUIGGLY:return new I(t);case i.AnnotationType.STRIKEOUT:return new D(t);case i.AnnotationType.STAMP:return new L(t);case i.AnnotationType.FILEATTACHMENT:return new M(t);default:return new u(t)}}}]);return AnnotationElementFactory}(),u=function(){function AnnotationElement(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=arguments.length>2&&void 0!==arguments[2]&&arguments[2];_classCallCheck(this,AnnotationElement);this.isRenderable=r;this.data=t.data;this.layer=t.layer;this.page=t.page;this.viewport=t.viewport;this.linkService=t.linkService;this.downloadManager=t.downloadManager;this.imageResourcesPath=t.imageResourcesPath;this.renderInteractiveForms=t.renderInteractiveForms;this.svgFactory=t.svgFactory;this.annotationStorage=t.annotationStorage;r&&(this.container=this._createContainer(a))}_createClass(AnnotationElement,[{key:"_createContainer",value:function _createContainer(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0],r=this.data,a=this.page,o=this.viewport,l=document.createElement("section"),c=r.rect[2]-r.rect[0],u=r.rect[3]-r.rect[1];l.setAttribute("data-annotation-id",r.id);var d=i.Util.normalizeRect([r.rect[0],a.view[3]-r.rect[1]+a.view[1],r.rect[2],a.view[3]-r.rect[3]+a.view[1]]);l.style.transform="matrix(".concat(o.transform.join(","),")");l.style.transformOrigin="-".concat(d[0],"px -").concat(d[1],"px");if(!t&&r.borderStyle.width>0){l.style.borderWidth="".concat(r.borderStyle.width,"px");if(r.borderStyle.style!==i.AnnotationBorderStyleType.UNDERLINE){c-=2*r.borderStyle.width;u-=2*r.borderStyle.width}var h=r.borderStyle.horizontalCornerRadius,p=r.borderStyle.verticalCornerRadius;if(h>0||p>0){var m="".concat(h,"px / ").concat(p,"px");l.style.borderRadius=m}switch(r.borderStyle.style){case i.AnnotationBorderStyleType.SOLID:l.style.borderStyle="solid";break;case i.AnnotationBorderStyleType.DASHED:l.style.borderStyle="dashed";break;case i.AnnotationBorderStyleType.BEVELED:(0,i.warn)("Unimplemented border style: beveled");break;case i.AnnotationBorderStyleType.INSET:(0,i.warn)("Unimplemented border style: inset");break;case i.AnnotationBorderStyleType.UNDERLINE:l.style.borderBottomStyle="solid"}r.color?l.style.borderColor=i.Util.makeCssRgb(0|r.color[0],0|r.color[1],0|r.color[2]):l.style.borderWidth=0}l.style.left="".concat(d[0],"px");l.style.top="".concat(d[1],"px");l.style.width="".concat(c,"px");l.style.height="".concat(u,"px");return l}},{key:"_createPopup",value:function _createPopup(t,r,a){if(!r){(r=document.createElement("div")).style.height=t.style.height;r.style.width=t.style.width;t.appendChild(r)}var o=new S({container:t,trigger:r,color:a.color,title:a.title,modificationDate:a.modificationDate,contents:a.contents,hideWrapper:!0}).render();o.style.left=t.style.width;t.appendChild(o)}},{key:"render",value:function render(){(0,i.unreachable)("Abstract method `AnnotationElement.render` called")}}]);return AnnotationElement}(),d=function(t){_inherits(LinkAnnotationElement,t);var r=_createSuper(LinkAnnotationElement);function LinkAnnotationElement(t){_classCallCheck(this,LinkAnnotationElement);var a=!!(t.data.url||t.data.dest||t.data.action);return r.call(this,t,a)}_createClass(LinkAnnotationElement,[{key:"render",value:function render(){this.container.className="linkAnnotation";var t=this.data,r=this.linkService,a=document.createElement("a");t.url?(0,o.addLinkAttributes)(a,{url:t.url,target:t.newWindow?o.LinkTarget.BLANK:r.externalLinkTarget,rel:r.externalLinkRel,enabled:r.externalLinkEnabled}):t.action?this._bindNamedAction(a,t.action):this._bindLink(a,t.dest);this.container.appendChild(a);return this.container}},{key:"_bindLink",value:function _bindLink(t,r){var a=this;t.href=this.linkService.getDestinationHash(r);t.onclick=function(){r&&a.linkService.navigateTo(r);return!1};r&&(t.className="internalLink")}},{key:"_bindNamedAction",value:function _bindNamedAction(t,r){var a=this;t.href=this.linkService.getAnchorUrl("");t.onclick=function(){a.linkService.executeNamedAction(r);return!1};t.className="internalLink"}}]);return LinkAnnotationElement}(u),h=function(t){_inherits(TextAnnotationElement,t);var r=_createSuper(TextAnnotationElement);function TextAnnotationElement(t){_classCallCheck(this,TextAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a)}_createClass(TextAnnotationElement,[{key:"render",value:function render(){this.container.className="textAnnotation";var t=document.createElement("img");t.style.height=this.container.style.height;t.style.width=this.container.style.width;t.src=this.imageResourcesPath+"annotation-"+this.data.name.toLowerCase()+".svg";t.alt="[{{type}} Annotation]";t.dataset.l10nId="text_annotation_type";t.dataset.l10nArgs=JSON.stringify({type:this.data.name});this.data.hasPopup||this._createPopup(this.container,t,this.data);this.container.appendChild(t);return this.container}}]);return TextAnnotationElement}(u),p=function(t){_inherits(WidgetAnnotationElement,t);var r=_createSuper(WidgetAnnotationElement);function WidgetAnnotationElement(){_classCallCheck(this,WidgetAnnotationElement);return r.apply(this,arguments)}_createClass(WidgetAnnotationElement,[{key:"render",value:function render(){return this.container}}]);return WidgetAnnotationElement}(u),m=function(t){_inherits(TextWidgetAnnotationElement,t);var r=_createSuper(TextWidgetAnnotationElement);function TextWidgetAnnotationElement(t){_classCallCheck(this,TextWidgetAnnotationElement);var a=t.renderInteractiveForms||!t.data.hasAppearance&&!!t.data.fieldValue;return r.call(this,t,a)}_createClass(TextWidgetAnnotationElement,[{key:"render",value:function render(){var t=this.annotationStorage,r=this.data.id;this.container.className="textWidgetAnnotation";var a=null;if(this.renderInteractiveForms){var o=t.getOrCreateValue(r,this.data.fieldValue);if(this.data.multiLine)(a=document.createElement("textarea")).textContent=o;else{(a=document.createElement("input")).type="text";a.setAttribute("value",o)}a.addEventListener("input",(function(a){t.setValue(r,a.target.value)}));a.disabled=this.data.readOnly;a.name=this.data.fieldName;null!==this.data.maxLen&&(a.maxLength=this.data.maxLen);if(this.data.comb){var i=(this.data.rect[2]-this.data.rect[0])/this.data.maxLen;a.classList.add("comb");a.style.letterSpacing="calc(".concat(i,"px - 1ch)")}}else{(a=document.createElement("div")).textContent=this.data.fieldValue;a.style.verticalAlign="middle";a.style.display="table-cell";var l=null;this.data.fontRefName&&this.page.commonObjs.has(this.data.fontRefName)&&(l=this.page.commonObjs.get(this.data.fontRefName));this._setTextStyle(a,l)}null!==this.data.textAlignment&&(a.style.textAlign=["left","center","right"][this.data.textAlignment]);this.container.appendChild(a);return this.container}},{key:"_setTextStyle",value:function _setTextStyle(t,r){var a=t.style;a.fontSize="".concat(this.data.fontSize,"px");a.direction=this.data.fontDirection<0?"rtl":"ltr";if(r){var o="normal";r.black?o="900":r.bold&&(o="bold");a.fontWeight=o;a.fontStyle=r.italic?"italic":"normal";var i=r.loadedName?'"'.concat(r.loadedName,'", '):"",l=r.fallbackName||"Helvetica, sans-serif";a.fontFamily=i+l}}}]);return TextWidgetAnnotationElement}(p),v=function(t){_inherits(CheckboxWidgetAnnotationElement,t);var r=_createSuper(CheckboxWidgetAnnotationElement);function CheckboxWidgetAnnotationElement(t){_classCallCheck(this,CheckboxWidgetAnnotationElement);return r.call(this,t,t.renderInteractiveForms)}_createClass(CheckboxWidgetAnnotationElement,[{key:"render",value:function render(){var t=this.annotationStorage,r=this.data,a=r.id,o=t.getOrCreateValue(a,r.fieldValue&&"Off"!==r.fieldValue);this.container.className="buttonWidgetAnnotation checkBox";var i=document.createElement("input");i.disabled=r.readOnly;i.type="checkbox";i.name=this.data.fieldName;o&&i.setAttribute("checked",!0);i.addEventListener("change",(function(r){t.setValue(a,r.target.checked)}));this.container.appendChild(i);return this.container}}]);return CheckboxWidgetAnnotationElement}(p),g=function(t){_inherits(RadioButtonWidgetAnnotationElement,t);var r=_createSuper(RadioButtonWidgetAnnotationElement);function RadioButtonWidgetAnnotationElement(t){_classCallCheck(this,RadioButtonWidgetAnnotationElement);return r.call(this,t,t.renderInteractiveForms)}_createClass(RadioButtonWidgetAnnotationElement,[{key:"render",value:function render(){this.container.className="buttonWidgetAnnotation radioButton";var t=this.annotationStorage,r=this.data,a=r.id,o=t.getOrCreateValue(a,r.fieldValue===r.buttonValue),i=document.createElement("input");i.disabled=r.readOnly;i.type="radio";i.name=r.fieldName;o&&i.setAttribute("checked",!0);i.addEventListener("change",(function(r){var o,i=r.target.name,l=_createForOfIteratorHelper(document.getElementsByName(i));try{for(l.s();!(o=l.n()).done;){var c=o.value;c!==r.target&&t.setValue(c.parentNode.getAttribute("data-annotation-id"),!1)}}catch(t){l.e(t)}finally{l.f()}t.setValue(a,r.target.checked)}));this.container.appendChild(i);return this.container}}]);return RadioButtonWidgetAnnotationElement}(p),y=function(t){_inherits(PushButtonWidgetAnnotationElement,t);var r=_createSuper(PushButtonWidgetAnnotationElement);function PushButtonWidgetAnnotationElement(){_classCallCheck(this,PushButtonWidgetAnnotationElement);return r.apply(this,arguments)}_createClass(PushButtonWidgetAnnotationElement,[{key:"render",value:function render(){var t=_get(_getPrototypeOf(PushButtonWidgetAnnotationElement.prototype),"render",this).call(this);t.className="buttonWidgetAnnotation pushButton";return t}}]);return PushButtonWidgetAnnotationElement}(d),b=function(t){_inherits(ChoiceWidgetAnnotationElement,t);var r=_createSuper(ChoiceWidgetAnnotationElement);function ChoiceWidgetAnnotationElement(t){_classCallCheck(this,ChoiceWidgetAnnotationElement);return r.call(this,t,t.renderInteractiveForms)}_createClass(ChoiceWidgetAnnotationElement,[{key:"render",value:function render(){this.container.className="choiceWidgetAnnotation";var t=this.annotationStorage,r=this.data.id;t.getOrCreateValue(r,this.data.fieldValue.length>0?this.data.fieldValue[0]:null);var a=document.createElement("select");a.disabled=this.data.readOnly;a.name=this.data.fieldName;if(!this.data.combo){a.size=this.data.options.length;this.data.multiSelect&&(a.multiple=!0)}var o,i=_createForOfIteratorHelper(this.data.options);try{for(i.s();!(o=i.n()).done;){var l=o.value,c=document.createElement("option");c.textContent=l.displayValue;c.value=l.exportValue;this.data.fieldValue.includes(l.exportValue)&&c.setAttribute("selected",!0);a.appendChild(c)}}catch(t){i.e(t)}finally{i.f()}a.addEventListener("input",(function(a){var o=a.target.options,i=o[o.selectedIndex].value;t.setValue(r,i)}));this.container.appendChild(a);return this.container}}]);return ChoiceWidgetAnnotationElement}(p),_=function(t){_inherits(PopupAnnotationElement,t);var r=_createSuper(PopupAnnotationElement);function PopupAnnotationElement(t){_classCallCheck(this,PopupAnnotationElement);var a=!(!t.data.title&&!t.data.contents);return r.call(this,t,a)}_createClass(PopupAnnotationElement,[{key:"render",value:function render(){this.container.className="popupAnnotation";if(["Line","Square","Circle","PolyLine","Polygon","Ink"].includes(this.data.parentType))return this.container;var t='[data-annotation-id="'.concat(this.data.parentId,'"]'),r=this.layer.querySelector(t);if(!r)return this.container;var a=new S({container:this.container,trigger:r,color:this.data.color,title:this.data.title,modificationDate:this.data.modificationDate,contents:this.data.contents}),o=parseFloat(r.style.left),i=parseFloat(r.style.width);this.container.style.transformOrigin="-".concat(o+i,"px -").concat(r.style.top);this.container.style.left="".concat(o+i,"px");this.container.appendChild(a.render());return this.container}}]);return PopupAnnotationElement}(u),S=function(){function PopupElement(t){_classCallCheck(this,PopupElement);this.container=t.container;this.trigger=t.trigger;this.color=t.color;this.title=t.title;this.modificationDate=t.modificationDate;this.contents=t.contents;this.hideWrapper=t.hideWrapper||!1;this.pinned=!1}_createClass(PopupElement,[{key:"render",value:function render(){var t=document.createElement("div");t.className="popupWrapper";this.hideElement=this.hideWrapper?t:this.container;this.hideElement.setAttribute("hidden",!0);var r=document.createElement("div");r.className="popup";var a=this.color;if(a){var l=.7*(255-a[0])+a[0],c=.7*(255-a[1])+a[1],u=.7*(255-a[2])+a[2];r.style.backgroundColor=i.Util.makeCssRgb(0|l,0|c,0|u)}var d=document.createElement("h1");d.textContent=this.title;r.appendChild(d);var h=o.PDFDateString.toDateObject(this.modificationDate);if(h){var p=document.createElement("span");p.textContent="{{date}}, {{time}}";p.dataset.l10nId="annotation_date_string";p.dataset.l10nArgs=JSON.stringify({date:h.toLocaleDateString(),time:h.toLocaleTimeString()});r.appendChild(p)}var m=this._formatContents(this.contents);r.appendChild(m);this.trigger.addEventListener("click",this._toggle.bind(this));this.trigger.addEventListener("mouseover",this._show.bind(this,!1));this.trigger.addEventListener("mouseout",this._hide.bind(this,!1));r.addEventListener("click",this._hide.bind(this,!0));t.appendChild(r);return t}},{key:"_formatContents",value:function _formatContents(t){for(var r=document.createElement("p"),a=t.split(/(?:\r\n?|\n)/),o=0,i=a.length;o<i;++o){var l=a[o];r.appendChild(document.createTextNode(l));o<i-1&&r.appendChild(document.createElement("br"))}return r}},{key:"_toggle",value:function _toggle(){this.pinned?this._hide(!0):this._show(!0)}},{key:"_show",value:function _show(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];t&&(this.pinned=!0);if(this.hideElement.hasAttribute("hidden")){this.hideElement.removeAttribute("hidden");this.container.style.zIndex+=1}}},{key:"_hide",value:function _hide(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];t&&(this.pinned=!1);if(!this.hideElement.hasAttribute("hidden")&&!this.pinned){this.hideElement.setAttribute("hidden",!0);this.container.style.zIndex-=1}}}]);return PopupElement}(),C=function(t){_inherits(FreeTextAnnotationElement,t);var r=_createSuper(FreeTextAnnotationElement);function FreeTextAnnotationElement(t){_classCallCheck(this,FreeTextAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(FreeTextAnnotationElement,[{key:"render",value:function render(){this.container.className="freeTextAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return FreeTextAnnotationElement}(u),A=function(t){_inherits(LineAnnotationElement,t);var r=_createSuper(LineAnnotationElement);function LineAnnotationElement(t){_classCallCheck(this,LineAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(LineAnnotationElement,[{key:"render",value:function render(){this.container.className="lineAnnotation";var t=this.data,r=t.rect[2]-t.rect[0],a=t.rect[3]-t.rect[1],o=this.svgFactory.create(r,a),i=this.svgFactory.createElement("svg:line");i.setAttribute("x1",t.rect[2]-t.lineCoordinates[0]);i.setAttribute("y1",t.rect[3]-t.lineCoordinates[1]);i.setAttribute("x2",t.rect[2]-t.lineCoordinates[2]);i.setAttribute("y2",t.rect[3]-t.lineCoordinates[3]);i.setAttribute("stroke-width",t.borderStyle.width||1);i.setAttribute("stroke","transparent");o.appendChild(i);this.container.append(o);this._createPopup(this.container,i,t);return this.container}}]);return LineAnnotationElement}(u),R=function(t){_inherits(SquareAnnotationElement,t);var r=_createSuper(SquareAnnotationElement);function SquareAnnotationElement(t){_classCallCheck(this,SquareAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(SquareAnnotationElement,[{key:"render",value:function render(){this.container.className="squareAnnotation";var t=this.data,r=t.rect[2]-t.rect[0],a=t.rect[3]-t.rect[1],o=this.svgFactory.create(r,a),i=t.borderStyle.width,l=this.svgFactory.createElement("svg:rect");l.setAttribute("x",i/2);l.setAttribute("y",i/2);l.setAttribute("width",r-i);l.setAttribute("height",a-i);l.setAttribute("stroke-width",i||1);l.setAttribute("stroke","transparent");l.setAttribute("fill","none");o.appendChild(l);this.container.append(o);this._createPopup(this.container,l,t);return this.container}}]);return SquareAnnotationElement}(u),k=function(t){_inherits(CircleAnnotationElement,t);var r=_createSuper(CircleAnnotationElement);function CircleAnnotationElement(t){_classCallCheck(this,CircleAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(CircleAnnotationElement,[{key:"render",value:function render(){this.container.className="circleAnnotation";var t=this.data,r=t.rect[2]-t.rect[0],a=t.rect[3]-t.rect[1],o=this.svgFactory.create(r,a),i=t.borderStyle.width,l=this.svgFactory.createElement("svg:ellipse");l.setAttribute("cx",r/2);l.setAttribute("cy",a/2);l.setAttribute("rx",r/2-i/2);l.setAttribute("ry",a/2-i/2);l.setAttribute("stroke-width",i||1);l.setAttribute("stroke","transparent");l.setAttribute("fill","none");o.appendChild(l);this.container.append(o);this._createPopup(this.container,l,t);return this.container}}]);return CircleAnnotationElement}(u),w=function(t){_inherits(PolylineAnnotationElement,t);var r=_createSuper(PolylineAnnotationElement);function PolylineAnnotationElement(t){var a;_classCallCheck(this,PolylineAnnotationElement);var o=!!(t.data.hasPopup||t.data.title||t.data.contents);(a=r.call(this,t,o,!0)).containerClassName="polylineAnnotation";a.svgElementName="svg:polyline";return a}_createClass(PolylineAnnotationElement,[{key:"render",value:function render(){this.container.className=this.containerClassName;var t,r=this.data,a=r.rect[2]-r.rect[0],o=r.rect[3]-r.rect[1],i=this.svgFactory.create(a,o),l=[],c=_createForOfIteratorHelper(r.vertices);try{for(c.s();!(t=c.n()).done;){var u=t.value,d=u.x-r.rect[0],h=r.rect[3]-u.y;l.push(d+","+h)}}catch(t){c.e(t)}finally{c.f()}l=l.join(" ");var p=this.svgFactory.createElement(this.svgElementName);p.setAttribute("points",l);p.setAttribute("stroke-width",r.borderStyle.width||1);p.setAttribute("stroke","transparent");p.setAttribute("fill","none");i.appendChild(p);this.container.append(i);this._createPopup(this.container,p,r);return this.container}}]);return PolylineAnnotationElement}(u),P=function(t){_inherits(PolygonAnnotationElement,t);var r=_createSuper(PolygonAnnotationElement);function PolygonAnnotationElement(t){var a;_classCallCheck(this,PolygonAnnotationElement);(a=r.call(this,t)).containerClassName="polygonAnnotation";a.svgElementName="svg:polygon";return a}return PolygonAnnotationElement}(w),x=function(t){_inherits(CaretAnnotationElement,t);var r=_createSuper(CaretAnnotationElement);function CaretAnnotationElement(t){_classCallCheck(this,CaretAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(CaretAnnotationElement,[{key:"render",value:function render(){this.container.className="caretAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return CaretAnnotationElement}(u),T=function(t){_inherits(InkAnnotationElement,t);var r=_createSuper(InkAnnotationElement);function InkAnnotationElement(t){var a;_classCallCheck(this,InkAnnotationElement);var o=!!(t.data.hasPopup||t.data.title||t.data.contents);(a=r.call(this,t,o,!0)).containerClassName="inkAnnotation";a.svgElementName="svg:polyline";return a}_createClass(InkAnnotationElement,[{key:"render",value:function render(){this.container.className=this.containerClassName;var t,r=this.data,a=r.rect[2]-r.rect[0],o=r.rect[3]-r.rect[1],i=this.svgFactory.create(a,o),l=_createForOfIteratorHelper(r.inkLists);try{for(l.s();!(t=l.n()).done;){var c,u=t.value,d=[],h=_createForOfIteratorHelper(u);try{for(h.s();!(c=h.n()).done;){var p=c.value,m=p.x-r.rect[0],v=r.rect[3]-p.y;d.push("".concat(m,",").concat(v))}}catch(t){h.e(t)}finally{h.f()}d=d.join(" ");var g=this.svgFactory.createElement(this.svgElementName);g.setAttribute("points",d);g.setAttribute("stroke-width",r.borderStyle.width||1);g.setAttribute("stroke","transparent");g.setAttribute("fill","none");this._createPopup(this.container,g,r);i.appendChild(g)}}catch(t){l.e(t)}finally{l.f()}this.container.append(i);return this.container}}]);return InkAnnotationElement}(u),E=function(t){_inherits(HighlightAnnotationElement,t);var r=_createSuper(HighlightAnnotationElement);function HighlightAnnotationElement(t){_classCallCheck(this,HighlightAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(HighlightAnnotationElement,[{key:"render",value:function render(){this.container.className="highlightAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return HighlightAnnotationElement}(u),O=function(t){_inherits(UnderlineAnnotationElement,t);var r=_createSuper(UnderlineAnnotationElement);function UnderlineAnnotationElement(t){_classCallCheck(this,UnderlineAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(UnderlineAnnotationElement,[{key:"render",value:function render(){this.container.className="underlineAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return UnderlineAnnotationElement}(u),I=function(t){_inherits(SquigglyAnnotationElement,t);var r=_createSuper(SquigglyAnnotationElement);function SquigglyAnnotationElement(t){_classCallCheck(this,SquigglyAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(SquigglyAnnotationElement,[{key:"render",value:function render(){this.container.className="squigglyAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return SquigglyAnnotationElement}(u),D=function(t){_inherits(StrikeOutAnnotationElement,t);var r=_createSuper(StrikeOutAnnotationElement);function StrikeOutAnnotationElement(t){_classCallCheck(this,StrikeOutAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(StrikeOutAnnotationElement,[{key:"render",value:function render(){this.container.className="strikeoutAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return StrikeOutAnnotationElement}(u),L=function(t){_inherits(StampAnnotationElement,t);var r=_createSuper(StampAnnotationElement);function StampAnnotationElement(t){_classCallCheck(this,StampAnnotationElement);var a=!!(t.data.hasPopup||t.data.title||t.data.contents);return r.call(this,t,a,!0)}_createClass(StampAnnotationElement,[{key:"render",value:function render(){this.container.className="stampAnnotation";this.data.hasPopup||this._createPopup(this.container,null,this.data);return this.container}}]);return StampAnnotationElement}(u),M=function(t){_inherits(FileAttachmentAnnotationElement,t);var r=_createSuper(FileAttachmentAnnotationElement);function FileAttachmentAnnotationElement(t){var a;_classCallCheck(this,FileAttachmentAnnotationElement);var l=(a=r.call(this,t,!0)).data.file,c=l.filename,u=l.content;a.filename=(0,o.getFilenameFromUrl)(c);a.content=u;a.linkService.eventBus&&a.linkService.eventBus.dispatch("fileattachmentannotation",{source:_assertThisInitialized(a),id:(0,i.stringToPDFString)(c),filename:c,content:u});return a}_createClass(FileAttachmentAnnotationElement,[{key:"render",value:function render(){this.container.className="fileAttachmentAnnotation";var t=document.createElement("div");t.style.height=this.container.style.height;t.style.width=this.container.style.width;t.addEventListener("dblclick",this._download.bind(this));this.data.hasPopup||!this.data.title&&!this.data.contents||this._createPopup(this.container,t,this.data);this.container.appendChild(t);return this.container}},{key:"_download",value:function _download(){this.downloadManager?this.downloadManager.downloadData(this.content,this.filename,""):(0,i.warn)("Download cannot be started due to unavailable download manager")}}]);return FileAttachmentAnnotationElement}(u),W=function(){function AnnotationLayer(){_classCallCheck(this,AnnotationLayer)}_createClass(AnnotationLayer,null,[{key:"render",value:function render(t){var r,a=[],u=[],d=_createForOfIteratorHelper(t.annotations);try{for(d.s();!(r=d.n()).done;){var h=r.value;h&&(h.annotationType!==i.AnnotationType.POPUP?a.push(h):u.push(h))}}catch(t){d.e(t)}finally{d.f()}u.length&&a.push.apply(a,u);for(var p=0,m=a;p<m.length;p++){var v=m[p],g=c.create({data:v,layer:t.div,page:t.page,viewport:t.viewport,linkService:t.linkService,downloadManager:t.downloadManager,imageResourcesPath:t.imageResourcesPath||"",renderInteractiveForms:"boolean"!=typeof t.renderInteractiveForms||t.renderInteractiveForms,svgFactory:new o.DOMSVGFactory,annotationStorage:t.annotationStorage||new l.AnnotationStorage});g.isRenderable&&t.div.appendChild(g.render())}}},{key:"update",value:function update(t){var r,a=_createForOfIteratorHelper(t.annotations);try{for(a.s();!(r=a.n()).done;){var o=r.value,i=t.div.querySelector('[data-annotation-id="'.concat(o.id,'"]'));i&&(i.style.transform="matrix(".concat(t.viewport.transform.join(","),")"))}}catch(t){a.e(t)}finally{a.f()}t.div.removeAttribute("hidden")}}]);return AnnotationLayer}();r.AnnotationLayer=W},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.renderTextLayer=void 0;var o=a(5),i=function renderTextLayerClosure(){var t=/\S/;function appendText(r,a,i){var l=document.createElement("span"),c={angle:0,canvasWidth:0,isWhitespace:!1,originalTransform:null,paddingBottom:0,paddingLeft:0,paddingRight:0,paddingTop:0,scale:1};r._textDivs.push(l);if(function isAllWhitespace(r){return!t.test(r)}(a.str)){c.isWhitespace=!0;r._textDivProperties.set(l,c)}else{var u=o.Util.transform(r._viewport.transform,a.transform),d=Math.atan2(u[1],u[0]),h=i[a.fontName];h.vertical&&(d+=Math.PI/2);var p,m,v=Math.sqrt(u[2]*u[2]+u[3]*u[3]),g=v;h.ascent?g=h.ascent*g:h.descent&&(g=(1+h.descent)*g);if(0===d){p=u[4];m=u[5]-g}else{p=u[4]+g*Math.sin(d);m=u[5]-g*Math.cos(d)}l.style.left="".concat(p,"px");l.style.top="".concat(m,"px");l.style.fontSize="".concat(v,"px");l.style.fontFamily=h.fontFamily;l.textContent=a.str;r._fontInspectorEnabled&&(l.dataset.fontName=a.fontName);0!==d&&(c.angle=d*(180/Math.PI));var y=!1;if(a.str.length>1)y=!0;else if(a.transform[0]!==a.transform[3]){var b=Math.abs(a.transform[0]),_=Math.abs(a.transform[3]);b!==_&&Math.max(b,_)/Math.min(b,_)>1.5&&(y=!0)}y&&(h.vertical?c.canvasWidth=a.height*r._viewport.scale:c.canvasWidth=a.width*r._viewport.scale);r._textDivProperties.set(l,c);r._textContentStream&&r._layoutText(l);if(r._enhanceTextSelection){var S=1,C=0;if(0!==d){S=Math.cos(d);C=Math.sin(d)}var A,R,k=(h.vertical?a.height:a.width)*r._viewport.scale,w=v;if(0!==d){A=[S,C,-C,S,p,m];R=o.Util.getAxialAlignedBoundingBox([0,0,k,w],A)}else 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r=t.index;i[r].top=t.x1New;i[r].bottom=t.x2New}));return i}(a.width,a.height,r),l=0;l<i.length;l++){var c=r[l].div,u=t._textDivProperties.get(c);if(0!==u.angle){var d=i[l],h=r[l],p=h.m,m=p[0],v=p[1],g=[[0,0],[0,h.size[1]],[h.size[0],0],h.size],y=new Float64Array(64);g.forEach((function(t,r){var a=o.Util.applyTransform(t,p);y[r+0]=m&&(d.left-a[0])/m;y[r+4]=v&&(d.top-a[1])/v;y[r+8]=m&&(d.right-a[0])/m;y[r+12]=v&&(d.bottom-a[1])/v;y[r+16]=v&&(d.left-a[0])/-v;y[r+20]=m&&(d.top-a[1])/m;y[r+24]=v&&(d.right-a[0])/-v;y[r+28]=m&&(d.bottom-a[1])/m;y[r+32]=m&&(d.left-a[0])/-m;y[r+36]=v&&(d.top-a[1])/-v;y[r+40]=m&&(d.right-a[0])/-m;y[r+44]=v&&(d.bottom-a[1])/-v;y[r+48]=v&&(d.left-a[0])/v;y[r+52]=m&&(d.top-a[1])/-m;y[r+56]=v&&(d.right-a[0])/v;y[r+60]=m&&(d.bottom-a[1])/-m}));var b=1+Math.min(Math.abs(m),Math.abs(v));u.paddingLeft=findPositiveMin(y,32,16)/b;u.paddingTop=findPositiveMin(y,48,16)/b;u.paddingRight=findPositiveMin(y,0,16)/b;u.paddingBottom=findPositiveMin(y,16,16)/b;t._textDivProperties.set(c,u)}else{u.paddingLeft=r[l].left-i[l].left;u.paddingTop=r[l].top-i[l].top;u.paddingRight=i[l].right-r[l].right;u.paddingBottom=i[l].bottom-r[l].bottom;t._textDivProperties.set(c,u)}}}function expandBoundsLTR(t,r){r.sort((function(t,r){return t.x1-r.x1||t.index-r.index}));var a=[{start:-1/0,end:1/0,boundary:{x1:-1/0,y1:-1/0,x2:0,y2:1/0,index:-1,x1New:0,x2New:0}}];r.forEach((function(t){for(var r=0;r<a.length&&a[r].end<=t.y1;)r++;for(var o,i,l=a.length-1;l>=0&&a[l].start>=t.y2;)l--;var c,u,d=-1/0;for(c=r;c<=l;c++){var h;(h=(i=(o=a[c]).boundary).x2>t.x1?i.index>t.index?i.x1New:t.x1:void 0===i.x2New?(i.x2+t.x1)/2:i.x2New)>d&&(d=h)}t.x1New=d;for(c=r;c<=l;c++)void 0===(i=(o=a[c]).boundary).x2New?i.x2>t.x1?i.index>t.index&&(i.x2New=i.x2):i.x2New=d:i.x2New>d&&(i.x2New=Math.max(d,i.x2));var p=[],m=null;for(c=r;c<=l;c++){var v=(i=(o=a[c]).boundary).x2>t.x2?i:t;if(m===v)p[p.length-1].end=o.end;else{p.push({start:o.start,end:o.end,boundary:v});m=v}}if(a[r].start<t.y1){p[0].start=t.y1;p.unshift({start:a[r].start,end:t.y1,boundary:a[r].boundary})}if(t.y2<a[l].end){p[p.length-1].end=t.y2;p.push({start:t.y2,end:a[l].end,boundary:a[l].boundary})}for(c=r;c<=l;c++)if(void 0===(i=(o=a[c]).boundary).x2New){var g=!1;for(u=r-1;!g&&u>=0&&a[u].start>=i.y1;u--)g=a[u].boundary===i;for(u=l+1;!g&&u<a.length&&a[u].end<=i.y2;u++)g=a[u].boundary===i;for(u=0;!g&&u<p.length;u++)g=p[u].boundary===i;g||(i.x2New=d)}Array.prototype.splice.apply(a,[r,l-r+1].concat(p))}));a.forEach((function(r){var a=r.boundary;void 0===a.x2New&&(a.x2New=Math.max(t,a.x2))}))}function TextLayerRenderTask(t){var r=this,a=t.textContent,i=t.textContentStream,l=t.container,c=t.viewport,u=t.textDivs,d=t.textContentItemsStr,h=t.enhanceTextSelection;this._textContent=a;this._textContentStream=i;this._container=l;this._document=l.ownerDocument;this._viewport=c;this._textDivs=u||[];this._textContentItemsStr=d||[];this._enhanceTextSelection=!!h;this._fontInspectorEnabled=!(!globalThis.FontInspector||!globalThis.FontInspector.enabled);this._reader=null;this._layoutTextLastFontSize=null;this._layoutTextLastFontFamily=null;this._layoutTextCtx=null;this._textDivProperties=new WeakMap;this._renderingDone=!1;this._canceled=!1;this._capability=(0,o.createPromiseCapability)();this._renderTimer=null;this._bounds=[];this._capability.promise.finally((function(){if(r._layoutTextCtx){r._layoutTextCtx.canvas.width=0;r._layoutTextCtx.canvas.height=0;r._layoutTextCtx=null}})).catch((function(){}))}TextLayerRenderTask.prototype={get promise(){return this._capability.promise},cancel:function TextLayer_cancel(){this._canceled=!0;if(this._reader){this._reader.cancel(new o.AbortException("TextLayer task cancelled."));this._reader=null}if(null!==this._renderTimer){clearTimeout(this._renderTimer);this._renderTimer=null}this._capability.reject(new Error("TextLayer task cancelled."))},_processItems:function _processItems(t,r){for(var a=0,o=t.length;a<o;a++){this._textContentItemsStr.push(t[a].str);appendText(this,t[a],r)}},_layoutText:function _layoutText(t){var r=this._textDivProperties.get(t);if(!r.isWhitespace){var a="";if(0!==r.canvasWidth){var o=t.style,i=o.fontSize,l=o.fontFamily;if(i!==this._layoutTextLastFontSize||l!==this._layoutTextLastFontFamily){this._layoutTextCtx.font="".concat(i," ").concat(l);this._layoutTextLastFontSize=i;this._layoutTextLastFontFamily=l}var c=this._layoutTextCtx.measureText(t.textContent).width;if(c>0){r.scale=r.canvasWidth/c;a="scaleX(".concat(r.scale,")")}}0!==r.angle&&(a="rotate(".concat(r.angle,"deg) ").concat(a));if(a.length>0){this._enhanceTextSelection&&(r.originalTransform=a);t.style.transform=a}this._textDivProperties.set(t,r);this._container.appendChild(t)}},_render:function TextLayer_render(t){var r=this,a=(0,o.createPromiseCapability)(),i=Object.create(null),l=this._document.createElement("canvas");l.mozOpaque=!0;this._layoutTextCtx=l.getContext("2d",{alpha:!1});if(this._textContent){var c=this._textContent.items,u=this._textContent.styles;this._processItems(c,u);a.resolve()}else{if(!this._textContentStream)throw new Error('Neither "textContent" nor "textContentStream" parameters specified.');this._reader=this._textContentStream.getReader();!function pump(){r._reader.read().then((function(t){var o=t.value;if(t.done)a.resolve();else{Object.assign(i,o.styles);r._processItems(o.items,i);pump()}}),a.reject)}()}a.promise.then((function(){i=null;t?r._renderTimer=setTimeout((function(){render(r);r._renderTimer=null}),t):render(r)}),this._capability.reject)},expandTextDivs:function TextLayer_expandTextDivs(t){if(this._enhanceTextSelection&&this._renderingDone){if(null!==this._bounds){expand(this);this._bounds=null}for(var r=[],a=[],o=0,i=this._textDivs.length;o<i;o++){var l=this._textDivs[o],c=this._textDivProperties.get(l);if(!c.isWhitespace)if(t){r.length=0;a.length=0;c.originalTransform&&r.push(c.originalTransform);if(c.paddingTop>0){a.push("".concat(c.paddingTop,"px"));r.push("translateY(".concat(-c.paddingTop,"px)"))}else a.push(0);c.paddingRight>0?a.push("".concat(c.paddingRight/c.scale,"px")):a.push(0);c.paddingBottom>0?a.push("".concat(c.paddingBottom,"px")):a.push(0);if(c.paddingLeft>0){a.push("".concat(c.paddingLeft/c.scale,"px"));r.push("translateX(".concat(-c.paddingLeft/c.scale,"px)"))}else a.push(0);l.style.padding=a.join(" ");r.length&&(l.style.transform=r.join(" "))}else{l.style.padding=null;l.style.transform=c.originalTransform}}}}};return function renderTextLayer(t){var r=new TextLayerRenderTask({textContent:t.textContent,textContentStream:t.textContentStream,container:t.container,viewport:t.viewport,textDivs:t.textDivs,textContentItemsStr:t.textContentItemsStr,enhanceTextSelection:t.enhanceTextSelection});r._render(t.timeout);return r}}();r.renderTextLayer=i},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.SVGGraphics=void 0;var o=a(5),i=a(1),l=a(7);function _toConsumableArray(t){return function _arrayWithoutHoles(t){if(Array.isArray(t))return _arrayLikeToArray(t)}(t)||function _iterableToArray(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}(t)||_unsupportedIterableToArray(t)||function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _slicedToArray(t,r){return function _arrayWithHoles(t){if(Array.isArray(t))return t}(t)||function 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Uint8Array([p>>24&255,p>>16&255,p>>8&255,255&p,m>>24&255,m>>16&255,m>>8&255,255&m,u,d,0,0,0]),R=function deflateSync(t){if(!l.isNodeJS)return deflateSyncUncompressed(t);try{var r;r=parseInt(process.versions.node)>=8?t:Buffer.from(t);var a=require("zlib").deflateSync(r,{level:9});return a instanceof Uint8Array?a:new Uint8Array(a)}catch(t){(0,o.warn)("Not compressing PNG because zlib.deflateSync is unavailable: "+t)}return deflateSyncUncompressed(t)}(g),k=t.length+36+A.length+R.length,w=new Uint8Array(k),P=0;w.set(t,P);writePngChunk("IHDR",A,w,P+=t.length);writePngChunk("IDATA",R,w,P+=12+A.length);P+=12+R.length;writePngChunk("IEND",new Uint8Array(0),w,P);return(0,o.createObjectURL)(w,"image/png",i)}return function convertImgDataToPng(t,r,a){return encode(t,void 0===t.kind?o.ImageKind.GRAYSCALE_1BPP:t.kind,r,a)}}(),g=function(){function SVGExtraState(){_classCallCheck(this,SVGExtraState);this.fontSizeScale=1;this.fontWeight=h.fontWeight;this.fontSize=0;this.textMatrix=o.IDENTITY_MATRIX;this.fontMatrix=o.FONT_IDENTITY_MATRIX;this.leading=0;this.textRenderingMode=o.TextRenderingMode.FILL;this.textMatrixScale=1;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRise=0;this.fillColor=h.fillColor;this.strokeColor="#000000";this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.lineJoin="";this.lineCap="";this.miterLimit=0;this.dashArray=[];this.dashPhase=0;this.dependencies=[];this.activeClipUrl=null;this.clipGroup=null;this.maskId=""}_createClass(SVGExtraState,[{key:"clone",value:function clone(){return Object.create(this)}},{key:"setCurrentPoint",value:function setCurrentPoint(t,r){this.x=t;this.y=r}}]);return SVGExtraState}(),y=0,b=0,_=0;r.SVGGraphics=c=function(){function SVGGraphics(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2];_classCallCheck(this,SVGGraphics);this.svgFactory=new i.DOMSVGFactory;this.current=new g;this.transformMatrix=o.IDENTITY_MATRIX;this.transformStack=[];this.extraStack=[];this.commonObjs=t;this.objs=r;this.pendingClip=null;this.pendingEOFill=!1;this.embedFonts=!1;this.embeddedFonts=Object.create(null);this.cssStyle=null;this.forceDataSchema=!!a;this._operatorIdMapping=[];for(var l in o.OPS)this._operatorIdMapping[o.OPS[l]]=l}_createClass(SVGGraphics,[{key:"save",value:function save(){this.transformStack.push(this.transformMatrix);var t=this.current;this.extraStack.push(t);this.current=t.clone()}},{key:"restore",value:function restore(){this.transformMatrix=this.transformStack.pop();this.current=this.extraStack.pop();this.pendingClip=null;this.tgrp=null}},{key:"group",value:function group(t){this.save();this.executeOpTree(t);this.restore()}},{key:"loadDependencies",value:function loadDependencies(t){for(var r=this,a=t.fnArray,i=t.argsArray,l=0,c=a.length;l<c;l++)if(a[l]===o.OPS.dependency){var u,d=_createForOfIteratorHelper(i[l]);try{var h=function _loop(){var t=u.value,a=t.startsWith("g_")?r.commonObjs:r.objs,o=new Promise((function(r){a.get(t,r)}));r.current.dependencies.push(o)};for(d.s();!(u=d.n()).done;)h()}catch(t){d.e(t)}finally{d.f()}}return Promise.all(this.current.dependencies)}},{key:"transform",value:function transform(t,r,a,i,l,c){var u=[t,r,a,i,l,c];this.transformMatrix=o.Util.transform(this.transformMatrix,u);this.tgrp=null}},{key:"getSVG",value:function getSVG(t,r){var a=this;this.viewport=r;var i=this._initialize(r);return this.loadDependencies(t).then((function(){a.transformMatrix=o.IDENTITY_MATRIX;a.executeOpTree(a.convertOpList(t));return i}))}},{key:"convertOpList",value:function convertOpList(t){for(var r=this._operatorIdMapping,a=t.argsArray,o=t.fnArray,i=[],l=0,c=o.length;l<c;l++){var u=o[l];i.push({fnId:u,fn:r[u],args:a[l]})}return function opListToTree(t){var r,a=[],o=[],i=_createForOfIteratorHelper(t);try{for(i.s();!(r=i.n()).done;){var l=r.value;if("save"!==l.fn)"restore"===l.fn?a=o.pop():a.push(l);else{a.push({fnId:92,fn:"group",items:[]});o.push(a);a=a[a.length-1].items}}}catch(t){i.e(t)}finally{i.f()}return a}(i)}},{key:"executeOpTree",value:function executeOpTree(t){var r,a=_createForOfIteratorHelper(t);try{for(a.s();!(r=a.n()).done;){var i=r.value,l=i.fn,c=i.fnId,u=i.args;switch(0|c){case o.OPS.beginText:this.beginText();break;case o.OPS.dependency:break;case o.OPS.setLeading:this.setLeading(u);break;case o.OPS.setLeadingMoveText:this.setLeadingMoveText(u[0],u[1]);break;case o.OPS.setFont:this.setFont(u);break;case o.OPS.showText:case o.OPS.showSpacedText:this.showText(u[0]);break;case o.OPS.endText:this.endText();break;case o.OPS.moveText:this.moveText(u[0],u[1]);break;case o.OPS.setCharSpacing:this.setCharSpacing(u[0]);break;case o.OPS.setWordSpacing:this.setWordSpacing(u[0]);break;case o.OPS.setHScale:this.setHScale(u[0]);break;case o.OPS.setTextMatrix:this.setTextMatrix(u[0],u[1],u[2],u[3],u[4],u[5]);break;case o.OPS.setTextRise:this.setTextRise(u[0]);break;case o.OPS.setTextRenderingMode:this.setTextRenderingMode(u[0]);break;case o.OPS.setLineWidth:this.setLineWidth(u[0]);break;case o.OPS.setLineJoin:this.setLineJoin(u[0]);break;case o.OPS.setLineCap:this.setLineCap(u[0]);break;case o.OPS.setMiterLimit:this.setMiterLimit(u[0]);break;case o.OPS.setFillRGBColor:this.setFillRGBColor(u[0],u[1],u[2]);break;case o.OPS.setStrokeRGBColor:this.setStrokeRGBColor(u[0],u[1],u[2]);break;case o.OPS.setStrokeColorN:this.setStrokeColorN(u);break;case o.OPS.setFillColorN:this.setFillColorN(u);break;case o.OPS.shadingFill:this.shadingFill(u[0]);break;case o.OPS.setDash:this.setDash(u[0],u[1]);break;case o.OPS.setRenderingIntent:this.setRenderingIntent(u[0]);break;case o.OPS.setFlatness:this.setFlatness(u[0]);break;case o.OPS.setGState:this.setGState(u[0]);break;case o.OPS.fill:this.fill();break;case o.OPS.eoFill:this.eoFill();break;case o.OPS.stroke:this.stroke();break;case o.OPS.fillStroke:this.fillStroke();break;case o.OPS.eoFillStroke:this.eoFillStroke();break;case o.OPS.clip:this.clip("nonzero");break;case o.OPS.eoClip:this.clip("evenodd");break;case o.OPS.paintSolidColorImageMask:this.paintSolidColorImageMask();break;case o.OPS.paintImageXObject:this.paintImageXObject(u[0]);break;case o.OPS.paintInlineImageXObject:this.paintInlineImageXObject(u[0]);break;case o.OPS.paintImageMaskXObject:this.paintImageMaskXObject(u[0]);break;case o.OPS.paintFormXObjectBegin:this.paintFormXObjectBegin(u[0],u[1]);break;case o.OPS.paintFormXObjectEnd:this.paintFormXObjectEnd();break;case o.OPS.closePath:this.closePath();break;case o.OPS.closeStroke:this.closeStroke();break;case o.OPS.closeFillStroke:this.closeFillStroke();break;case o.OPS.closeEOFillStroke:this.closeEOFillStroke();break;case o.OPS.nextLine:this.nextLine();break;case o.OPS.transform:this.transform(u[0],u[1],u[2],u[3],u[4],u[5]);break;case o.OPS.constructPath:this.constructPath(u[0],u[1]);break;case o.OPS.endPath:this.endPath();break;case 92:this.group(i.items);break;default:(0,o.warn)("Unimplemented operator ".concat(l))}}}catch(t){a.e(t)}finally{a.f()}}},{key:"setWordSpacing",value:function setWordSpacing(t){this.current.wordSpacing=t}},{key:"setCharSpacing",value:function setCharSpacing(t){this.current.charSpacing=t}},{key:"nextLine",value:function nextLine(){this.moveText(0,this.current.leading)}},{key:"setTextMatrix",value:function setTextMatrix(t,r,a,o,i,l){var c=this.current;c.textMatrix=c.lineMatrix=[t,r,a,o,i,l];c.textMatrixScale=Math.sqrt(t*t+r*r);c.x=c.lineX=0;c.y=c.lineY=0;c.xcoords=[];c.ycoords=[];c.tspan=this.svgFactory.createElement("svg:tspan");c.tspan.setAttributeNS(null,"font-family",c.fontFamily);c.tspan.setAttributeNS(null,"font-size","".concat(u(c.fontSize),"px"));c.tspan.setAttributeNS(null,"y",u(-c.y));c.txtElement=this.svgFactory.createElement("svg:text");c.txtElement.appendChild(c.tspan)}},{key:"beginText",value:function beginText(){var t=this.current;t.x=t.lineX=0;t.y=t.lineY=0;t.textMatrix=o.IDENTITY_MATRIX;t.lineMatrix=o.IDENTITY_MATRIX;t.textMatrixScale=1;t.tspan=this.svgFactory.createElement("svg:tspan");t.txtElement=this.svgFactory.createElement("svg:text");t.txtgrp=this.svgFactory.createElement("svg:g");t.xcoords=[];t.ycoords=[]}},{key:"moveText",value:function moveText(t,r){var a=this.current;a.x=a.lineX+=t;a.y=a.lineY+=r;a.xcoords=[];a.ycoords=[];a.tspan=this.svgFactory.createElement("svg:tspan");a.tspan.setAttributeNS(null,"font-family",a.fontFamily);a.tspan.setAttributeNS(null,"font-size","".concat(u(a.fontSize),"px"));a.tspan.setAttributeNS(null,"y",u(-a.y))}},{key:"showText",value:function showText(t){var r=this.current,a=r.font,i=r.fontSize;if(0!==i){var l,c=r.fontSizeScale,p=r.charSpacing,m=r.wordSpacing,v=r.fontDirection,g=r.textHScale*v,y=a.vertical,b=y?1:-1,_=a.defaultVMetrics,S=i*r.fontMatrix[0],C=0,A=_createForOfIteratorHelper(t);try{for(A.s();!(l=A.n()).done;){var R=l.value;if(null!==R)if((0,o.isNum)(R))C+=b*R*i/1e3;else{var k=(R.isSpace?m:0)+p,w=R.fontChar,P=void 0,x=void 0,T=R.width;if(y){var E=void 0,O=R.vmetric||_;E=-(E=R.vmetric?O[1]:.5*T)*S;var I=O[2]*S;T=O?-O[0]:T;P=E/c;x=(C+I)/c}else{P=C/c;x=0}if(R.isInFont||a.missingFile){r.xcoords.push(r.x+P);y&&r.ycoords.push(-r.y+x);r.tspan.textContent+=w}C+=y?T*S-k*v:T*S+k*v}else C+=v*m}}catch(t){A.e(t)}finally{A.f()}r.tspan.setAttributeNS(null,"x",r.xcoords.map(u).join(" "));y?r.tspan.setAttributeNS(null,"y",r.ycoords.map(u).join(" ")):r.tspan.setAttributeNS(null,"y",u(-r.y));y?r.y-=C:r.x+=C*g;r.tspan.setAttributeNS(null,"font-family",r.fontFamily);r.tspan.setAttributeNS(null,"font-size","".concat(u(r.fontSize),"px"));r.fontStyle!==h.fontStyle&&r.tspan.setAttributeNS(null,"font-style",r.fontStyle);r.fontWeight!==h.fontWeight&&r.tspan.setAttributeNS(null,"font-weight",r.fontWeight);var D=r.textRenderingMode&o.TextRenderingMode.FILL_STROKE_MASK;if(D===o.TextRenderingMode.FILL||D===o.TextRenderingMode.FILL_STROKE){r.fillColor!==h.fillColor&&r.tspan.setAttributeNS(null,"fill",r.fillColor);r.fillAlpha<1&&r.tspan.setAttributeNS(null,"fill-opacity",r.fillAlpha)}else r.textRenderingMode===o.TextRenderingMode.ADD_TO_PATH?r.tspan.setAttributeNS(null,"fill","transparent"):r.tspan.setAttributeNS(null,"fill","none");if(D===o.TextRenderingMode.STROKE||D===o.TextRenderingMode.FILL_STROKE){var L=1/(r.textMatrixScale||1);this._setStrokeAttributes(r.tspan,L)}var M=r.textMatrix;0!==r.textRise&&((M=M.slice())[5]+=r.textRise);r.txtElement.setAttributeNS(null,"transform","".concat(d(M)," scale(").concat(u(g),", -1)"));r.txtElement.setAttributeNS("http://www.w3.org/XML/1998/namespace","xml:space","preserve");r.txtElement.appendChild(r.tspan);r.txtgrp.appendChild(r.txtElement);this._ensureTransformGroup().appendChild(r.txtElement)}}},{key:"setLeadingMoveText",value:function setLeadingMoveText(t,r){this.setLeading(-r);this.moveText(t,r)}},{key:"addFontStyle",value:function addFontStyle(t){if(!t.data)throw new Error('addFontStyle: No font data available, ensure that the "fontExtraProperties" API parameter is set.');if(!this.cssStyle){this.cssStyle=this.svgFactory.createElement("svg:style");this.cssStyle.setAttributeNS(null,"type","text/css");this.defs.appendChild(this.cssStyle)}var r=(0,o.createObjectURL)(t.data,t.mimetype,this.forceDataSchema);this.cssStyle.textContent+='@font-face { font-family: "'.concat(t.loadedName,'";')+" src: url(".concat(r,"); }\n")}},{key:"setFont",value:function setFont(t){var r=this.current,a=this.commonObjs.get(t[0]),i=t[1];r.font=a;if(this.embedFonts&&!a.missingFile&&!this.embeddedFonts[a.loadedName]){this.addFontStyle(a);this.embeddedFonts[a.loadedName]=a}r.fontMatrix=a.fontMatrix?a.fontMatrix:o.FONT_IDENTITY_MATRIX;var l="normal";a.black?l="900":a.bold&&(l="bold");var c=a.italic?"italic":"normal";if(i<0){i=-i;r.fontDirection=-1}else r.fontDirection=1;r.fontSize=i;r.fontFamily=a.loadedName;r.fontWeight=l;r.fontStyle=c;r.tspan=this.svgFactory.createElement("svg:tspan");r.tspan.setAttributeNS(null,"y",u(-r.y));r.xcoords=[];r.ycoords=[]}},{key:"endText",value:function endText(){var t=this.current;if(t.textRenderingMode&o.TextRenderingMode.ADD_TO_PATH_FLAG&&t.txtElement&&t.txtElement.hasChildNodes()){t.element=t.txtElement;this.clip("nonzero");this.endPath()}}},{key:"setLineWidth",value:function setLineWidth(t){t>0&&(this.current.lineWidth=t)}},{key:"setLineCap",value:function setLineCap(t){this.current.lineCap=p[t]}},{key:"setLineJoin",value:function setLineJoin(t){this.current.lineJoin=m[t]}},{key:"setMiterLimit",value:function setMiterLimit(t){this.current.miterLimit=t}},{key:"setStrokeAlpha",value:function setStrokeAlpha(t){this.current.strokeAlpha=t}},{key:"setStrokeRGBColor",value:function setStrokeRGBColor(t,r,a){this.current.strokeColor=o.Util.makeCssRgb(t,r,a)}},{key:"setFillAlpha",value:function setFillAlpha(t){this.current.fillAlpha=t}},{key:"setFillRGBColor",value:function setFillRGBColor(t,r,a){this.current.fillColor=o.Util.makeCssRgb(t,r,a);this.current.tspan=this.svgFactory.createElement("svg:tspan");this.current.xcoords=[];this.current.ycoords=[]}},{key:"setStrokeColorN",value:function setStrokeColorN(t){this.current.strokeColor=this._makeColorN_Pattern(t)}},{key:"setFillColorN",value:function setFillColorN(t){this.current.fillColor=this._makeColorN_Pattern(t)}},{key:"shadingFill",value:function shadingFill(t){var r=this.viewport.width,a=this.viewport.height,i=o.Util.inverseTransform(this.transformMatrix),l=o.Util.applyTransform([0,0],i),c=o.Util.applyTransform([0,a],i),u=o.Util.applyTransform([r,0],i),d=o.Util.applyTransform([r,a],i),h=Math.min(l[0],c[0],u[0],d[0]),p=Math.min(l[1],c[1],u[1],d[1]),m=Math.max(l[0],c[0],u[0],d[0]),v=Math.max(l[1],c[1],u[1],d[1]),g=this.svgFactory.createElement("svg:rect");g.setAttributeNS(null,"x",h);g.setAttributeNS(null,"y",p);g.setAttributeNS(null,"width",m-h);g.setAttributeNS(null,"height",v-p);g.setAttributeNS(null,"fill",this._makeShadingPattern(t));this.current.fillAlpha<1&&g.setAttributeNS(null,"fill-opacity",this.current.fillAlpha);this._ensureTransformGroup().appendChild(g)}},{key:"_makeColorN_Pattern",value:function _makeColorN_Pattern(t){return"TilingPattern"===t[0]?this._makeTilingPattern(t):this._makeShadingPattern(t)}},{key:"_makeTilingPattern",value:function _makeTilingPattern(t){var r=t[1],a=t[2],i=t[3]||o.IDENTITY_MATRIX,l=_slicedToArray(t[4],4),c=l[0],u=l[1],d=l[2],h=l[3],p=t[5],m=t[6],v=t[7],g="shading".concat(_++),y=_slicedToArray(o.Util.applyTransform([c,u],i),2),b=y[0],S=y[1],C=_slicedToArray(o.Util.applyTransform([d,h],i),2),A=C[0],R=C[1],k=_slicedToArray(o.Util.singularValueDecompose2dScale(i),2),w=p*k[0],P=m*k[1],x=this.svgFactory.createElement("svg:pattern");x.setAttributeNS(null,"id",g);x.setAttributeNS(null,"patternUnits","userSpaceOnUse");x.setAttributeNS(null,"width",w);x.setAttributeNS(null,"height",P);x.setAttributeNS(null,"x","".concat(b));x.setAttributeNS(null,"y","".concat(S));var T=this.svg,E=this.transformMatrix,O=this.current.fillColor,I=this.current.strokeColor,D=this.svgFactory.create(A-b,R-S);this.svg=D;this.transformMatrix=i;if(2===v){var L=o.Util.makeCssRgb.apply(o.Util,_toConsumableArray(r));this.current.fillColor=L;this.current.strokeColor=L}this.executeOpTree(this.convertOpList(a));this.svg=T;this.transformMatrix=E;this.current.fillColor=O;this.current.strokeColor=I;x.appendChild(D.childNodes[0]);this.defs.appendChild(x);return"url(#".concat(g,")")}},{key:"_makeShadingPattern",value:function _makeShadingPattern(t){switch(t[0]){case"RadialAxial":var r,a="shading".concat(_++),i=t[3];switch(t[1]){case"axial":var l=t[4],c=t[5];(r=this.svgFactory.createElement("svg:linearGradient")).setAttributeNS(null,"id",a);r.setAttributeNS(null,"gradientUnits","userSpaceOnUse");r.setAttributeNS(null,"x1",l[0]);r.setAttributeNS(null,"y1",l[1]);r.setAttributeNS(null,"x2",c[0]);r.setAttributeNS(null,"y2",c[1]);break;case"radial":var u=t[4],d=t[5],h=t[6],p=t[7];(r=this.svgFactory.createElement("svg:radialGradient")).setAttributeNS(null,"id",a);r.setAttributeNS(null,"gradientUnits","userSpaceOnUse");r.setAttributeNS(null,"cx",d[0]);r.setAttributeNS(null,"cy",d[1]);r.setAttributeNS(null,"r",p);r.setAttributeNS(null,"fx",u[0]);r.setAttributeNS(null,"fy",u[1]);r.setAttributeNS(null,"fr",h);break;default:throw new Error("Unknown RadialAxial type: ".concat(t[1]))}var m,v=_createForOfIteratorHelper(i);try{for(v.s();!(m=v.n()).done;){var g=m.value,y=this.svgFactory.createElement("svg:stop");y.setAttributeNS(null,"offset",g[0]);y.setAttributeNS(null,"stop-color",g[1]);r.appendChild(y)}}catch(t){v.e(t)}finally{v.f()}this.defs.appendChild(r);return"url(#".concat(a,")");case"Mesh":(0,o.warn)("Unimplemented pattern Mesh");return null;case"Dummy":return"hotpink";default:throw new Error("Unknown IR type: ".concat(t[0]))}}},{key:"setDash",value:function setDash(t,r){this.current.dashArray=t;this.current.dashPhase=r}},{key:"constructPath",value:function constructPath(t,r){var a,i=this.current,l=i.x,c=i.y,d=[],h=0,p=_createForOfIteratorHelper(t);try{for(p.s();!(a=p.n()).done;){switch(0|a.value){case o.OPS.rectangle:l=r[h++];c=r[h++];var m=r[h++],v=r[h++],g=l+m,y=c+v;d.push("M",u(l),u(c),"L",u(g),u(c),"L",u(g),u(y),"L",u(l),u(y),"Z");break;case o.OPS.moveTo:l=r[h++];c=r[h++];d.push("M",u(l),u(c));break;case o.OPS.lineTo:l=r[h++];c=r[h++];d.push("L",u(l),u(c));break;case o.OPS.curveTo:l=r[h+4];c=r[h+5];d.push("C",u(r[h]),u(r[h+1]),u(r[h+2]),u(r[h+3]),u(l),u(c));h+=6;break;case o.OPS.curveTo2:d.push("C",u(l),u(c),u(r[h]),u(r[h+1]),u(r[h+2]),u(r[h+3]));l=r[h+2];c=r[h+3];h+=4;break;case o.OPS.curveTo3:l=r[h+2];c=r[h+3];d.push("C",u(r[h]),u(r[h+1]),u(l),u(c),u(l),u(c));h+=4;break;case o.OPS.closePath:d.push("Z")}}}catch(t){p.e(t)}finally{p.f()}d=d.join(" ");if(i.path&&t.length>0&&t[0]!==o.OPS.rectangle&&t[0]!==o.OPS.moveTo)d=i.path.getAttributeNS(null,"d")+d;else{i.path=this.svgFactory.createElement("svg:path");this._ensureTransformGroup().appendChild(i.path)}i.path.setAttributeNS(null,"d",d);i.path.setAttributeNS(null,"fill","none");i.element=i.path;i.setCurrentPoint(l,c)}},{key:"endPath",value:function endPath(){var t=this.current;t.path=null;if(this.pendingClip)if(t.element){var r="clippath".concat(y++),a=this.svgFactory.createElement("svg:clipPath");a.setAttributeNS(null,"id",r);a.setAttributeNS(null,"transform",d(this.transformMatrix));var o=t.element.cloneNode(!0);"evenodd"===this.pendingClip?o.setAttributeNS(null,"clip-rule","evenodd"):o.setAttributeNS(null,"clip-rule","nonzero");this.pendingClip=null;a.appendChild(o);this.defs.appendChild(a);if(t.activeClipUrl){t.clipGroup=null;this.extraStack.forEach((function(t){t.clipGroup=null}));a.setAttributeNS(null,"clip-path",t.activeClipUrl)}t.activeClipUrl="url(#".concat(r,")");this.tgrp=null}else this.pendingClip=null}},{key:"clip",value:function clip(t){this.pendingClip=t}},{key:"closePath",value:function closePath(){var t=this.current;if(t.path){var r="".concat(t.path.getAttributeNS(null,"d"),"Z");t.path.setAttributeNS(null,"d",r)}}},{key:"setLeading",value:function setLeading(t){this.current.leading=-t}},{key:"setTextRise",value:function setTextRise(t){this.current.textRise=t}},{key:"setTextRenderingMode",value:function setTextRenderingMode(t){this.current.textRenderingMode=t}},{key:"setHScale",value:function setHScale(t){this.current.textHScale=t/100}},{key:"setRenderingIntent",value:function setRenderingIntent(t){}},{key:"setFlatness",value:function setFlatness(t){}},{key:"setGState",value:function setGState(t){var r,a=_createForOfIteratorHelper(t);try{for(a.s();!(r=a.n()).done;){var i=_slicedToArray(r.value,2),l=i[0],c=i[1];switch(l){case"LW":this.setLineWidth(c);break;case"LC":this.setLineCap(c);break;case"LJ":this.setLineJoin(c);break;case"ML":this.setMiterLimit(c);break;case"D":this.setDash(c[0],c[1]);break;case"RI":this.setRenderingIntent(c);break;case"FL":this.setFlatness(c);break;case"Font":this.setFont(c);break;case"CA":this.setStrokeAlpha(c);break;case"ca":this.setFillAlpha(c);break;default:(0,o.warn)("Unimplemented graphic state operator ".concat(l))}}}catch(t){a.e(t)}finally{a.f()}}},{key:"fill",value:function fill(){var 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strict";Object.defineProperty(r,"__esModule",{value:!0});r.PDFNetworkStream=void 0;var o=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),i=a(5),l=a(220);function asyncGeneratorStep(t,r,a,o,i,l,c){try{var u=t[l](c),d=u.value}catch(t){a(t);return}u.done?r(d):Promise.resolve(d).then(o,i)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(o,i){var l=t.apply(r,a);function _next(t){asyncGeneratorStep(l,o,i,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(l,o,i,_next,_throw,"throw",t)}_next(void 0)}))}}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var o=r[a];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var c=function(){function NetworkManager(t,r){_classCallCheck(this,NetworkManager);this.url=t;r=r||{};this.isHttp=/^https?:/i.test(t);this.httpHeaders=this.isHttp&&r.httpHeaders||{};this.withCredentials=r.withCredentials||!1;this.getXhr=r.getXhr||function NetworkManager_getXhr(){return new XMLHttpRequest};this.currXhrId=0;this.pendingRequests=Object.create(null)}_createClass(NetworkManager,[{key:"requestRange",value:function requestRange(t,r,a){var o={begin:t,end:r};for(var i in a)o[i]=a[i];return this.request(o)}},{key:"requestFull",value:function requestFull(t){return this.request(t)}},{key:"request",value:function request(t){var r=this.getXhr(),a=this.currXhrId++,o=this.pendingRequests[a]={xhr:r};r.open("GET",this.url);r.withCredentials=this.withCredentials;for(var i in this.httpHeaders){var l=this.httpHeaders[i];void 0!==l&&r.setRequestHeader(i,l)}if(this.isHttp&&"begin"in t&&"end"in t){r.setRequestHeader("Range","bytes=".concat(t.begin,"-").concat(t.end-1));o.expectedStatus=206}else o.expectedStatus=200;r.responseType="arraybuffer";t.onError&&(r.onerror=function(a){t.onError(r.status)});r.onreadystatechange=this.onStateChange.bind(this,a);r.onprogress=this.onProgress.bind(this,a);o.onHeadersReceived=t.onHeadersReceived;o.onDone=t.onDone;o.onError=t.onError;o.onProgress=t.onProgress;r.send(null);return a}},{key:"onProgress",value:function onProgress(t,r){var a=this.pendingRequests[t];a&&a.onProgress&&a.onProgress(r)}},{key:"onStateChange",value:function onStateChange(t,r){var a=this.pendingRequests[t];if(a){var o=a.xhr;if(o.readyState>=2&&a.onHeadersReceived){a.onHeadersReceived();delete a.onHeadersReceived}if(4===o.readyState&&t in this.pendingRequests){delete this.pendingRequests[t];if(0===o.status&&this.isHttp)a.onError&&a.onError(o.status);else{var l=o.status||200;if(200===l&&206===a.expectedStatus||l===a.expectedStatus){var c=function getArrayBuffer(t){var r=t.response;return"string"!=typeof r?r:(0,i.stringToBytes)(r).buffer}(o);if(206===l){var u=o.getResponseHeader("Content-Range"),d=/bytes (\d+)-(\d+)\/(\d+)/.exec(u);a.onDone({begin:parseInt(d[1],10),chunk:c})}else c?a.onDone({begin:0,chunk:c}):a.onError&&a.onError(o.status)}else a.onError&&a.onError(o.status)}}}}},{key:"getRequestXhr",value:function getRequestXhr(t){return this.pendingRequests[t].xhr}},{key:"isPendingRequest",value:function isPendingRequest(t){return t in this.pendingRequests}},{key:"abortRequest",value:function abortRequest(t){var r=this.pendingRequests[t].xhr;delete this.pendingRequests[t];r.abort()}}]);return NetworkManager}(),u=function(){function PDFNetworkStream(t){_classCallCheck(this,PDFNetworkStream);this._source=t;this._manager=new c(t.url,{httpHeaders:t.httpHeaders,withCredentials:t.withCredentials});this._rangeChunkSize=t.rangeChunkSize;this._fullRequestReader=null;this._rangeRequestReaders=[]}_createClass(PDFNetworkStream,[{key:"_onRangeRequestReaderClosed",value:function _onRangeRequestReaderClosed(t){var r=this._rangeRequestReaders.indexOf(t);r>=0&&this._rangeRequestReaders.splice(r,1)}},{key:"getFullReader",value:function getFullReader(){(0,i.assert)(!this._fullRequestReader,"PDFNetworkStream.getFullReader can only be called once.");this._fullRequestReader=new d(this._manager,this._source);return this._fullRequestReader}},{key:"getRangeReader",value:function getRangeReader(t,r){var a=new h(this._manager,t,r);a.onClosed=this._onRangeRequestReaderClosed.bind(this);this._rangeRequestReaders.push(a);return a}},{key:"cancelAllRequests",value:function cancelAllRequests(t){this._fullRequestReader&&this._fullRequestReader.cancel(t);this._rangeRequestReaders.slice(0).forEach((function(r){r.cancel(t)}))}}]);return PDFNetworkStream}();r.PDFNetworkStream=u;var d=function(){function PDFNetworkStreamFullRequestReader(t,r){_classCallCheck(this,PDFNetworkStreamFullRequestReader);this._manager=t;var a={onHeadersReceived:this._onHeadersReceived.bind(this),onDone:this._onDone.bind(this),onError:this._onError.bind(this),onProgress:this._onProgress.bind(this)};this._url=r.url;this._fullRequestId=t.requestFull(a);this._headersReceivedCapability=(0,i.createPromiseCapability)();this._disableRange=r.disableRange||!1;this._contentLength=r.length;this._rangeChunkSize=r.rangeChunkSize;this._rangeChunkSize||this._disableRange||(this._disableRange=!0);this._isStreamingSupported=!1;this._isRangeSupported=!1;this._cachedChunks=[];this._requests=[];this._done=!1;this._storedError=void 0;this._filename=null;this.onProgress=null}_createClass(PDFNetworkStreamFullRequestReader,[{key:"_onHeadersReceived",value:function _onHeadersReceived(){var t=this._fullRequestId,r=this._manager.getRequestXhr(t),a=function getResponseHeader(t){return r.getResponseHeader(t)},o=(0,l.validateRangeRequestCapabilities)({getResponseHeader:a,isHttp:this._manager.isHttp,rangeChunkSize:this._rangeChunkSize,disableRange:this._disableRange}),i=o.allowRangeRequests,c=o.suggestedLength;i&&(this._isRangeSupported=!0);this._contentLength=c||this._contentLength;this._filename=(0,l.extractFilenameFromHeader)(a);this._isRangeSupported&&this._manager.abortRequest(t);this._headersReceivedCapability.resolve()}},{key:"_onDone",value:function _onDone(t){if(t)if(this._requests.length>0){this._requests.shift().resolve({value:t.chunk,done:!1})}else this._cachedChunks.push(t.chunk);this._done=!0;if(!(this._cachedChunks.length>0)){this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[]}}},{key:"_onError",value:function _onError(t){var r=this._url,a=(0,l.createResponseStatusError)(t,r);this._storedError=a;this._headersReceivedCapability.reject(a);this._requests.forEach((function(t){t.reject(a)}));this._requests=[];this._cachedChunks=[]}},{key:"_onProgress",value:function _onProgress(t){this.onProgress&&this.onProgress({loaded:t.loaded,total:t.lengthComputable?t.total:this._contentLength})}},{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee(){var t,r;return o.default.wrap((function _callee$(a){for(;;)switch(a.prev=a.next){case 0:if(!this._storedError){a.next=2;break}throw this._storedError;case 2:if(!(this._cachedChunks.length>0)){a.next=5;break}t=this._cachedChunks.shift();return a.abrupt("return",{value:t,done:!1});case 5:if(!this._done){a.next=7;break}return a.abrupt("return",{value:void 0,done:!0});case 7:r=(0,i.createPromiseCapability)();this._requests.push(r);return a.abrupt("return",r.promise);case 10:case"end":return a.stop()}}),_callee,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._done=!0;this._headersReceivedCapability.reject(t);this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[];this._manager.isPendingRequest(this._fullRequestId)&&this._manager.abortRequest(this._fullRequestId);this._fullRequestReader=null}},{key:"filename",get:function get(){return this._filename}},{key:"isRangeSupported",get:function get(){return this._isRangeSupported}},{key:"isStreamingSupported",get:function get(){return this._isStreamingSupported}},{key:"contentLength",get:function get(){return this._contentLength}},{key:"headersReady",get:function get(){return this._headersReceivedCapability.promise}}]);var t;return PDFNetworkStreamFullRequestReader}(),h=function(){function PDFNetworkStreamRangeRequestReader(t,r,a){_classCallCheck(this,PDFNetworkStreamRangeRequestReader);this._manager=t;var o={onDone:this._onDone.bind(this),onProgress:this._onProgress.bind(this)};this._requestId=t.requestRange(r,a,o);this._requests=[];this._queuedChunk=null;this._done=!1;this.onProgress=null;this.onClosed=null}_createClass(PDFNetworkStreamRangeRequestReader,[{key:"_close",value:function _close(){this.onClosed&&this.onClosed(this)}},{key:"_onDone",value:function _onDone(t){var r=t.chunk;if(this._requests.length>0){this._requests.shift().resolve({value:r,done:!1})}else this._queuedChunk=r;this._done=!0;this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[];this._close()}},{key:"_onProgress",value:function _onProgress(t){!this.isStreamingSupported&&this.onProgress&&this.onProgress({loaded:t.loaded})}},{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee2(){var t,r;return o.default.wrap((function _callee2$(a){for(;;)switch(a.prev=a.next){case 0:if(null===this._queuedChunk){a.next=4;break}t=this._queuedChunk;this._queuedChunk=null;return a.abrupt("return",{value:t,done:!1});case 4:if(!this._done){a.next=6;break}return a.abrupt("return",{value:void 0,done:!0});case 6:r=(0,i.createPromiseCapability)();this._requests.push(r);return a.abrupt("return",r.promise);case 9:case"end":return a.stop()}}),_callee2,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._done=!0;this._requests.forEach((function(t){t.resolve({value:void 0,done:!0})}));this._requests=[];this._manager.isPendingRequest(this._requestId)&&this._manager.abortRequest(this._requestId);this._close()}},{key:"isStreamingSupported",get:function get(){return!1}}]);var t;return PDFNetworkStreamRangeRequestReader}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.PDFFetchStream=void 0;var o=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),i=a(5),l=a(220);function asyncGeneratorStep(t,r,a,o,i,l,c){try{var u=t[l](c),d=u.value}catch(t){a(t);return}u.done?r(d):Promise.resolve(d).then(o,i)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(o,i){var l=t.apply(r,a);function _next(t){asyncGeneratorStep(l,o,i,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(l,o,i,_next,_throw,"throw",t)}_next(void 0)}))}}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var o=r[a];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}function createFetchOptions(t,r,a){return{method:"GET",headers:t,signal:a&&a.signal,mode:"cors",credentials:r?"include":"same-origin",redirect:"follow"}}function createHeaders(t){var r=new Headers;for(var a in t){var o=t[a];void 0!==o&&r.append(a,o)}return r}var c=function(){function PDFFetchStream(t){_classCallCheck(this,PDFFetchStream);this.source=t;this.isHttp=/^https?:/i.test(t.url);this.httpHeaders=this.isHttp&&t.httpHeaders||{};this._fullRequestReader=null;this._rangeRequestReaders=[]}_createClass(PDFFetchStream,[{key:"getFullReader",value:function getFullReader(){(0,i.assert)(!this._fullRequestReader,"PDFFetchStream.getFullReader can only be called once.");this._fullRequestReader=new u(this);return this._fullRequestReader}},{key:"getRangeReader",value:function getRangeReader(t,r){if(r<=this._progressiveDataLength)return null;var a=new d(this,t,r);this._rangeRequestReaders.push(a);return a}},{key:"cancelAllRequests",value:function cancelAllRequests(t){this._fullRequestReader&&this._fullRequestReader.cancel(t);this._rangeRequestReaders.slice(0).forEach((function(r){r.cancel(t)}))}},{key:"_progressiveDataLength",get:function get(){return this._fullRequestReader?this._fullRequestReader._loaded:0}}]);return PDFFetchStream}();r.PDFFetchStream=c;var u=function(){function PDFFetchStreamReader(t){var r=this;_classCallCheck(this,PDFFetchStreamReader);this._stream=t;this._reader=null;this._loaded=0;this._filename=null;var a=t.source;this._withCredentials=a.withCredentials||!1;this._contentLength=a.length;this._headersCapability=(0,i.createPromiseCapability)();this._disableRange=a.disableRange||!1;this._rangeChunkSize=a.rangeChunkSize;this._rangeChunkSize||this._disableRange||(this._disableRange=!0);"undefined"!=typeof AbortController&&(this._abortController=new AbortController);this._isStreamingSupported=!a.disableStream;this._isRangeSupported=!a.disableRange;this._headers=createHeaders(this._stream.httpHeaders);var o=a.url;fetch(o,createFetchOptions(this._headers,this._withCredentials,this._abortController)).then((function(t){if(!(0,l.validateResponseStatus)(t.status))throw(0,l.createResponseStatusError)(t.status,o);r._reader=t.body.getReader();r._headersCapability.resolve();var a=function getResponseHeader(r){return t.headers.get(r)},c=(0,l.validateRangeRequestCapabilities)({getResponseHeader:a,isHttp:r._stream.isHttp,rangeChunkSize:r._rangeChunkSize,disableRange:r._disableRange}),u=c.allowRangeRequests,d=c.suggestedLength;r._isRangeSupported=u;r._contentLength=d||r._contentLength;r._filename=(0,l.extractFilenameFromHeader)(a);!r._isStreamingSupported&&r._isRangeSupported&&r.cancel(new i.AbortException("Streaming is disabled."))})).catch(this._headersCapability.reject);this.onProgress=null}_createClass(PDFFetchStreamReader,[{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee(){var t,r,a,i;return o.default.wrap((function _callee$(o){for(;;)switch(o.prev=o.next){case 0:o.next=2;return this._headersCapability.promise;case 2:o.next=4;return this._reader.read();case 4:t=o.sent;r=t.value;if(!(a=t.done)){o.next=9;break}return o.abrupt("return",{value:r,done:a});case 9:this._loaded+=r.byteLength;this.onProgress&&this.onProgress({loaded:this._loaded,total:this._contentLength});i=new Uint8Array(r).buffer;return o.abrupt("return",{value:i,done:!1});case 13:case"end":return o.stop()}}),_callee,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._reader&&this._reader.cancel(t);this._abortController&&this._abortController.abort()}},{key:"headersReady",get:function get(){return this._headersCapability.promise}},{key:"filename",get:function get(){return this._filename}},{key:"contentLength",get:function get(){return this._contentLength}},{key:"isRangeSupported",get:function get(){return this._isRangeSupported}},{key:"isStreamingSupported",get:function get(){return this._isStreamingSupported}}]);var t;return PDFFetchStreamReader}(),d=function(){function PDFFetchStreamRangeReader(t,r,a){var o=this;_classCallCheck(this,PDFFetchStreamRangeReader);this._stream=t;this._reader=null;this._loaded=0;var c=t.source;this._withCredentials=c.withCredentials||!1;this._readCapability=(0,i.createPromiseCapability)();this._isStreamingSupported=!c.disableStream;"undefined"!=typeof AbortController&&(this._abortController=new AbortController);this._headers=createHeaders(this._stream.httpHeaders);this._headers.append("Range","bytes=".concat(r,"-").concat(a-1));var u=c.url;fetch(u,createFetchOptions(this._headers,this._withCredentials,this._abortController)).then((function(t){if(!(0,l.validateResponseStatus)(t.status))throw(0,l.createResponseStatusError)(t.status,u);o._readCapability.resolve();o._reader=t.body.getReader()})).catch((function(t){if(!t||"AbortError"!==t.name)throw t}));this.onProgress=null}_createClass(PDFFetchStreamRangeReader,[{key:"read",value:(t=_asyncToGenerator(o.default.mark((function _callee2(){var t,r,a,i;return o.default.wrap((function _callee2$(o){for(;;)switch(o.prev=o.next){case 0:o.next=2;return this._readCapability.promise;case 2:o.next=4;return this._reader.read();case 4:t=o.sent;r=t.value;if(!(a=t.done)){o.next=9;break}return o.abrupt("return",{value:r,done:a});case 9:this._loaded+=r.byteLength;this.onProgress&&this.onProgress({loaded:this._loaded});i=new Uint8Array(r).buffer;return o.abrupt("return",{value:i,done:!1});case 13:case"end":return o.stop()}}),_callee2,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._reader&&this._reader.cancel(t);this._abortController&&this._abortController.abort()}},{key:"isStreamingSupported",get:function get(){return this._isStreamingSupported}}]);var t;return PDFFetchStreamRangeReader}()}])}));
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.worker.entry.js b/node_modules/pdfjs-dist/es5/build/pdf.worker.entry.js
new file mode 100644
index 00000000..1000f612
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.worker.entry.js
@@ -0,0 +1,19 @@
+/* Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(typeof window !== "undefined"
+  ? window
+  : {}
+).pdfjsWorker = require("./pdf.worker.js");
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.worker.js b/node_modules/pdfjs-dist/es5/build/pdf.worker.js
new file mode 100644
index 00000000..578da906
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.worker.js
@@ -0,0 +1,61231 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/build/pdf.worker", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/build/pdf.worker"] = factory();
+	else
+		root["pdfjs-dist/build/pdf.worker"] = root.pdfjsWorker = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "WorkerMessageHandler", {
+  enumerable: true,
+  get: function get() {
+    return _worker.WorkerMessageHandler;
+  }
+});
+
+var _worker = __w_pdfjs_require__(1);
+
+var pdfjsVersion = '2.6.347';
+var pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WorkerMessageHandler = exports.WorkerTask = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _pdf_manager = __w_pdfjs_require__(203);
+
+var _writer = __w_pdfjs_require__(224);
+
+var _is_node = __w_pdfjs_require__(7);
+
+var _message_handler = __w_pdfjs_require__(243);
+
+var _worker_stream = __w_pdfjs_require__(244);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest(); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var WorkerTask = /*#__PURE__*/function () {
+  function WorkerTask(name) {
+    _classCallCheck(this, WorkerTask);
+
+    this.name = name;
+    this.terminated = false;
+    this._capability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(WorkerTask, [{
+    key: "finish",
+    value: function finish() {
+      this._capability.resolve();
+    }
+  }, {
+    key: "terminate",
+    value: function terminate() {
+      this.terminated = true;
+    }
+  }, {
+    key: "ensureNotTerminated",
+    value: function ensureNotTerminated() {
+      if (this.terminated) {
+        throw new Error("Worker task was terminated");
+      }
+    }
+  }, {
+    key: "finished",
+    get: function get() {
+      return this._capability.promise;
+    }
+  }]);
+
+  return WorkerTask;
+}();
+
+exports.WorkerTask = WorkerTask;
+
+var WorkerMessageHandler = /*#__PURE__*/function () {
+  function WorkerMessageHandler() {
+    _classCallCheck(this, WorkerMessageHandler);
+  }
+
+  _createClass(WorkerMessageHandler, null, [{
+    key: "setup",
+    value: function setup(handler, port) {
+      var testMessageProcessed = false;
+      handler.on("test", function wphSetupTest(data) {
+        if (testMessageProcessed) {
+          return;
+        }
+
+        testMessageProcessed = true;
+
+        if (!(data instanceof Uint8Array)) {
+          handler.send("test", null);
+          return;
+        }
+
+        var supportTransfers = data[0] === 255;
+        handler.postMessageTransfers = supportTransfers;
+        handler.send("test", {
+          supportTransfers: supportTransfers
+        });
+      });
+      handler.on("configure", function wphConfigure(data) {
+        (0, _util.setVerbosityLevel)(data.verbosity);
+      });
+      handler.on("GetDocRequest", function wphSetupDoc(data) {
+        return WorkerMessageHandler.createDocumentHandler(data, port);
+      });
+    }
+  }, {
+    key: "createDocumentHandler",
+    value: function createDocumentHandler(docParams, port) {
+      var pdfManager;
+      var terminated = false;
+      var cancelXHRs = null;
+      var WorkerTasks = [];
+      var verbosity = (0, _util.getVerbosityLevel)();
+      var apiVersion = docParams.apiVersion;
+      var workerVersion = '2.6.347';
+
+      if (apiVersion !== workerVersion) {
+        throw new Error("The API version \"".concat(apiVersion, "\" does not match ") + "the Worker version \"".concat(workerVersion, "\"."));
+      }
+
+      var enumerableProperties = [];
+
+      for (var property in []) {
+        enumerableProperties.push(property);
+      }
+
+      if (enumerableProperties.length) {
+        throw new Error("The `Array.prototype` contains unexpected enumerable properties: " + enumerableProperties.join(", ") + "; thus breaking e.g. `for...in` iteration of `Array`s.");
+      }
+
+      var docId = docParams.docId;
+      var docBaseUrl = docParams.docBaseUrl;
+      var workerHandlerName = docParams.docId + "_worker";
+      var handler = new _message_handler.MessageHandler(workerHandlerName, docId, port);
+      handler.postMessageTransfers = docParams.postMessageTransfers;
+
+      function ensureNotTerminated() {
+        if (terminated) {
+          throw new Error("Worker was terminated");
+        }
+      }
+
+      function startWorkerTask(task) {
+        WorkerTasks.push(task);
+      }
+
+      function finishWorkerTask(task) {
+        task.finish();
+        var i = WorkerTasks.indexOf(task);
+        WorkerTasks.splice(i, 1);
+      }
+
+      function loadDocument(_x) {
+        return _loadDocument.apply(this, arguments);
+      }
+
+      function _loadDocument() {
+        _loadDocument = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(recoveryMode) {
+          var _yield$Promise$all, _yield$Promise$all2, numPages, fingerprint;
+
+          return _regenerator["default"].wrap(function _callee$(_context) {
+            while (1) {
+              switch (_context.prev = _context.next) {
+                case 0:
+                  _context.next = 2;
+                  return pdfManager.ensureDoc("checkHeader");
+
+                case 2:
+                  _context.next = 4;
+                  return pdfManager.ensureDoc("parseStartXRef");
+
+                case 4:
+                  _context.next = 6;
+                  return pdfManager.ensureDoc("parse", [recoveryMode]);
+
+                case 6:
+                  if (recoveryMode) {
+                    _context.next = 9;
+                    break;
+                  }
+
+                  _context.next = 9;
+                  return pdfManager.ensureDoc("checkFirstPage");
+
+                case 9:
+                  _context.next = 11;
+                  return Promise.all([pdfManager.ensureDoc("numPages"), pdfManager.ensureDoc("fingerprint")]);
+
+                case 11:
+                  _yield$Promise$all = _context.sent;
+                  _yield$Promise$all2 = _slicedToArray(_yield$Promise$all, 2);
+                  numPages = _yield$Promise$all2[0];
+                  fingerprint = _yield$Promise$all2[1];
+                  return _context.abrupt("return", {
+                    numPages: numPages,
+                    fingerprint: fingerprint
+                  });
+
+                case 16:
+                case "end":
+                  return _context.stop();
+              }
+            }
+          }, _callee);
+        }));
+        return _loadDocument.apply(this, arguments);
+      }
+
+      function getPdfManager(data, evaluatorOptions) {
+        var pdfManagerCapability = (0, _util.createPromiseCapability)();
+        var newPdfManager;
+        var source = data.source;
+
+        if (source.data) {
+          try {
+            newPdfManager = new _pdf_manager.LocalPdfManager(docId, source.data, source.password, evaluatorOptions, docBaseUrl);
+            pdfManagerCapability.resolve(newPdfManager);
+          } catch (ex) {
+            pdfManagerCapability.reject(ex);
+          }
+
+          return pdfManagerCapability.promise;
+        }
+
+        var pdfStream,
+            cachedChunks = [];
+
+        try {
+          pdfStream = new _worker_stream.PDFWorkerStream(handler);
+        } catch (ex) {
+          pdfManagerCapability.reject(ex);
+          return pdfManagerCapability.promise;
+        }
+
+        var fullRequest = pdfStream.getFullReader();
+        fullRequest.headersReady.then(function () {
+          if (!fullRequest.isRangeSupported) {
+            return;
+          }
+
+          var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported;
+          newPdfManager = new _pdf_manager.NetworkPdfManager(docId, pdfStream, {
+            msgHandler: handler,
+            password: source.password,
+            length: fullRequest.contentLength,
+            disableAutoFetch: disableAutoFetch,
+            rangeChunkSize: source.rangeChunkSize
+          }, evaluatorOptions, docBaseUrl);
+
+          for (var i = 0; i < cachedChunks.length; i++) {
+            newPdfManager.sendProgressiveData(cachedChunks[i]);
+          }
+
+          cachedChunks = [];
+          pdfManagerCapability.resolve(newPdfManager);
+          cancelXHRs = null;
+        })["catch"](function (reason) {
+          pdfManagerCapability.reject(reason);
+          cancelXHRs = null;
+        });
+        var loaded = 0;
+
+        var flushChunks = function flushChunks() {
+          var pdfFile = (0, _util.arraysToBytes)(cachedChunks);
+
+          if (source.length && pdfFile.length !== source.length) {
+            (0, _util.warn)("reported HTTP length is different from actual");
+          }
+
+          try {
+            newPdfManager = new _pdf_manager.LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, docBaseUrl);
+            pdfManagerCapability.resolve(newPdfManager);
+          } catch (ex) {
+            pdfManagerCapability.reject(ex);
+          }
+
+          cachedChunks = [];
+        };
+
+        var readPromise = new Promise(function (resolve, reject) {
+          var readChunk = function readChunk(_ref) {
+            var value = _ref.value,
+                done = _ref.done;
+
+            try {
+              ensureNotTerminated();
+
+              if (done) {
+                if (!newPdfManager) {
+                  flushChunks();
+                }
+
+                cancelXHRs = null;
+                return;
+              }
+
+              loaded += (0, _util.arrayByteLength)(value);
+
+              if (!fullRequest.isStreamingSupported) {
+                handler.send("DocProgress", {
+                  loaded: loaded,
+                  total: Math.max(loaded, fullRequest.contentLength || 0)
+                });
+              }
+
+              if (newPdfManager) {
+                newPdfManager.sendProgressiveData(value);
+              } else {
+                cachedChunks.push(value);
+              }
+
+              fullRequest.read().then(readChunk, reject);
+            } catch (e) {
+              reject(e);
+            }
+          };
+
+          fullRequest.read().then(readChunk, reject);
+        });
+        readPromise["catch"](function (e) {
+          pdfManagerCapability.reject(e);
+          cancelXHRs = null;
+        });
+
+        cancelXHRs = function cancelXHRs(reason) {
+          pdfStream.cancelAllRequests(reason);
+        };
+
+        return pdfManagerCapability.promise;
+      }
+
+      function setupDoc(data) {
+        function onSuccess(doc) {
+          ensureNotTerminated();
+          handler.send("GetDoc", {
+            pdfInfo: doc
+          });
+        }
+
+        function onFailure(ex) {
+          ensureNotTerminated();
+
+          if (ex instanceof _util.PasswordException) {
+            var task = new WorkerTask("PasswordException: response ".concat(ex.code));
+            startWorkerTask(task);
+            handler.sendWithPromise("PasswordRequest", ex).then(function (_ref2) {
+              var password = _ref2.password;
+              finishWorkerTask(task);
+              pdfManager.updatePassword(password);
+              pdfManagerReady();
+            })["catch"](function () {
+              finishWorkerTask(task);
+              handler.send("DocException", ex);
+            });
+          } else if (ex instanceof _util.InvalidPDFException || ex instanceof _util.MissingPDFException || ex instanceof _util.UnexpectedResponseException || ex instanceof _util.UnknownErrorException) {
+            handler.send("DocException", ex);
+          } else {
+            handler.send("DocException", new _util.UnknownErrorException(ex.message, ex.toString()));
+          }
+        }
+
+        function pdfManagerReady() {
+          ensureNotTerminated();
+          loadDocument(false).then(onSuccess, function (reason) {
+            ensureNotTerminated();
+
+            if (!(reason instanceof _core_utils.XRefParseException)) {
+              onFailure(reason);
+              return;
+            }
+
+            pdfManager.requestLoadedStream();
+            pdfManager.onLoadedStream().then(function () {
+              ensureNotTerminated();
+              loadDocument(true).then(onSuccess, onFailure);
+            });
+          });
+        }
+
+        ensureNotTerminated();
+        var evaluatorOptions = {
+          maxImageSize: data.maxImageSize,
+          disableFontFace: data.disableFontFace,
+          ignoreErrors: data.ignoreErrors,
+          isEvalSupported: data.isEvalSupported,
+          fontExtraProperties: data.fontExtraProperties
+        };
+        getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
+          if (terminated) {
+            newPdfManager.terminate(new _util.AbortException("Worker was terminated."));
+            throw new Error("Worker was terminated");
+          }
+
+          pdfManager = newPdfManager;
+          pdfManager.onLoadedStream().then(function (stream) {
+            handler.send("DataLoaded", {
+              length: stream.bytes.byteLength
+            });
+          });
+        }).then(pdfManagerReady, onFailure);
+      }
+
+      handler.on("GetPage", function wphSetupGetPage(data) {
+        return pdfManager.getPage(data.pageIndex).then(function (page) {
+          return Promise.all([pdfManager.ensure(page, "rotate"), pdfManager.ensure(page, "ref"), pdfManager.ensure(page, "userUnit"), pdfManager.ensure(page, "view")]).then(function (_ref3) {
+            var _ref4 = _slicedToArray(_ref3, 4),
+                rotate = _ref4[0],
+                ref = _ref4[1],
+                userUnit = _ref4[2],
+                view = _ref4[3];
+
+            return {
+              rotate: rotate,
+              ref: ref,
+              userUnit: userUnit,
+              view: view
+            };
+          });
+        });
+      });
+      handler.on("GetPageIndex", function wphSetupGetPageIndex(_ref5) {
+        var ref = _ref5.ref;
+
+        var pageRef = _primitives.Ref.get(ref.num, ref.gen);
+
+        return pdfManager.ensureCatalog("getPageIndex", [pageRef]);
+      });
+      handler.on("GetDestinations", function wphSetupGetDestinations(data) {
+        return pdfManager.ensureCatalog("destinations");
+      });
+      handler.on("GetDestination", function wphSetupGetDestination(data) {
+        return pdfManager.ensureCatalog("getDestination", [data.id]);
+      });
+      handler.on("GetPageLabels", function wphSetupGetPageLabels(data) {
+        return pdfManager.ensureCatalog("pageLabels");
+      });
+      handler.on("GetPageLayout", function wphSetupGetPageLayout(data) {
+        return pdfManager.ensureCatalog("pageLayout");
+      });
+      handler.on("GetPageMode", function wphSetupGetPageMode(data) {
+        return pdfManager.ensureCatalog("pageMode");
+      });
+      handler.on("GetViewerPreferences", function (data) {
+        return pdfManager.ensureCatalog("viewerPreferences");
+      });
+      handler.on("GetOpenAction", function (data) {
+        return pdfManager.ensureCatalog("openAction");
+      });
+      handler.on("GetAttachments", function wphSetupGetAttachments(data) {
+        return pdfManager.ensureCatalog("attachments");
+      });
+      handler.on("GetJavaScript", function wphSetupGetJavaScript(data) {
+        return pdfManager.ensureCatalog("javaScript");
+      });
+      handler.on("GetOutline", function wphSetupGetOutline(data) {
+        return pdfManager.ensureCatalog("documentOutline");
+      });
+      handler.on("GetOptionalContentConfig", function (data) {
+        return pdfManager.ensureCatalog("optionalContentConfig");
+      });
+      handler.on("GetPermissions", function (data) {
+        return pdfManager.ensureCatalog("permissions");
+      });
+      handler.on("GetMetadata", function wphSetupGetMetadata(data) {
+        return Promise.all([pdfManager.ensureDoc("documentInfo"), pdfManager.ensureCatalog("metadata")]);
+      });
+      handler.on("GetData", function wphSetupGetData(data) {
+        pdfManager.requestLoadedStream();
+        return pdfManager.onLoadedStream().then(function (stream) {
+          return stream.bytes;
+        });
+      });
+      handler.on("GetStats", function wphSetupGetStats(data) {
+        return pdfManager.ensureXRef("stats");
+      });
+      handler.on("GetAnnotations", function (_ref6) {
+        var pageIndex = _ref6.pageIndex,
+            intent = _ref6.intent;
+        return pdfManager.getPage(pageIndex).then(function (page) {
+          return page.getAnnotationsData(intent);
+        });
+      });
+      handler.on("SaveDocument", function (_ref7) {
+        var numPages = _ref7.numPages,
+            annotationStorage = _ref7.annotationStorage,
+            filename = _ref7.filename;
+        pdfManager.requestLoadedStream();
+        var promises = [pdfManager.onLoadedStream()];
+        var document = pdfManager.pdfDocument;
+
+        var _loop = function _loop(pageIndex) {
+          promises.push(pdfManager.getPage(pageIndex).then(function (page) {
+            var task = new WorkerTask("Save: page ".concat(pageIndex));
+            return page.save(handler, task, annotationStorage);
+          }));
+        };
+
+        for (var pageIndex = 0; pageIndex < numPages; pageIndex++) {
+          _loop(pageIndex);
+        }
+
+        return Promise.all(promises).then(function (_ref8) {
+          var _ref9 = _toArray(_ref8),
+              stream = _ref9[0],
+              refs = _ref9.slice(1);
+
+          var newRefs = [];
+
+          var _iterator = _createForOfIteratorHelper(refs),
+              _step;
+
+          try {
+            for (_iterator.s(); !(_step = _iterator.n()).done;) {
+              var ref = _step.value;
+              newRefs = ref.filter(function (x) {
+                return x !== null;
+              }).reduce(function (a, b) {
+                return a.concat(b);
+              }, newRefs);
+            }
+          } catch (err) {
+            _iterator.e(err);
+          } finally {
+            _iterator.f();
+          }
+
+          if (newRefs.length === 0) {
+            return stream.bytes;
+          }
+
+          var xref = document.xref;
+          var newXrefInfo = Object.create(null);
+
+          if (xref.trailer) {
+            var _info = Object.create(null);
+
+            var xrefInfo = xref.trailer.get("Info") || null;
+
+            if (xrefInfo) {
+              xrefInfo.forEach(function (key, value) {
+                if ((0, _util.isString)(key) && (0, _util.isString)(value)) {
+                  _info[key] = (0, _util.stringToPDFString)(value);
+                }
+              });
+            }
+
+            newXrefInfo = {
+              rootRef: xref.trailer.getRaw("Root") || null,
+              encrypt: xref.trailer.getRaw("Encrypt") || null,
+              newRef: xref.getNewRef(),
+              infoRef: xref.trailer.getRaw("Info") || null,
+              info: _info,
+              fileIds: xref.trailer.getRaw("ID") || null,
+              startXRef: document.startXRef,
+              filename: filename
+            };
+          }
+
+          xref.resetNewRef();
+          return (0, _writer.incrementalUpdate)(stream.bytes, newXrefInfo, newRefs);
+        });
+      });
+      handler.on("GetOperatorList", function wphSetupRenderPage(data, sink) {
+        var pageIndex = data.pageIndex;
+        pdfManager.getPage(pageIndex).then(function (page) {
+          var task = new WorkerTask("GetOperatorList: page ".concat(pageIndex));
+          startWorkerTask(task);
+          var start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+          page.getOperatorList({
+            handler: handler,
+            sink: sink,
+            task: task,
+            intent: data.intent,
+            renderInteractiveForms: data.renderInteractiveForms,
+            annotationStorage: data.annotationStorage
+          }).then(function (operatorListInfo) {
+            finishWorkerTask(task);
+
+            if (start) {
+              (0, _util.info)("page=".concat(pageIndex + 1, " - getOperatorList: time=") + "".concat(Date.now() - start, "ms, len=").concat(operatorListInfo.length));
+            }
+
+            sink.close();
+          }, function (reason) {
+            finishWorkerTask(task);
+
+            if (task.terminated) {
+              return;
+            }
+
+            handler.send("UnsupportedFeature", {
+              featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+            });
+            sink.error(reason);
+          });
+        });
+      }, this);
+      handler.on("GetTextContent", function wphExtractText(data, sink) {
+        var pageIndex = data.pageIndex;
+
+        sink.onPull = function (desiredSize) {};
+
+        sink.onCancel = function (reason) {};
+
+        pdfManager.getPage(pageIndex).then(function (page) {
+          var task = new WorkerTask("GetTextContent: page " + pageIndex);
+          startWorkerTask(task);
+          var start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+          page.extractTextContent({
+            handler: handler,
+            task: task,
+            sink: sink,
+            normalizeWhitespace: data.normalizeWhitespace,
+            combineTextItems: data.combineTextItems
+          }).then(function () {
+            finishWorkerTask(task);
+
+            if (start) {
+              (0, _util.info)("page=".concat(pageIndex + 1, " - getTextContent: time=") + "".concat(Date.now() - start, "ms"));
+            }
+
+            sink.close();
+          }, function (reason) {
+            finishWorkerTask(task);
+
+            if (task.terminated) {
+              return;
+            }
+
+            sink.error(reason);
+          });
+        });
+      });
+      handler.on("FontFallback", function (data) {
+        return pdfManager.fontFallback(data.id, handler);
+      });
+      handler.on("Cleanup", function wphCleanup(data) {
+        return pdfManager.cleanup(true);
+      });
+      handler.on("Terminate", function wphTerminate(data) {
+        terminated = true;
+        var waitOn = [];
+
+        if (pdfManager) {
+          pdfManager.terminate(new _util.AbortException("Worker was terminated."));
+          var cleanupPromise = pdfManager.cleanup();
+          waitOn.push(cleanupPromise);
+          pdfManager = null;
+        } else {
+          (0, _primitives.clearPrimitiveCaches)();
+        }
+
+        if (cancelXHRs) {
+          cancelXHRs(new _util.AbortException("Worker was terminated."));
+        }
+
+        WorkerTasks.forEach(function (task) {
+          waitOn.push(task.finished);
+          task.terminate();
+        });
+        return Promise.all(waitOn).then(function () {
+          handler.destroy();
+          handler = null;
+        });
+      });
+      handler.on("Ready", function wphReady(data) {
+        setupDoc(docParams);
+        docParams = null;
+      });
+      return workerHandlerName;
+    }
+  }, {
+    key: "initializeFromPort",
+    value: function initializeFromPort(port) {
+      var handler = new _message_handler.MessageHandler("worker", "main", port);
+      WorkerMessageHandler.setup(handler, port);
+      handler.send("ready", null);
+    }
+  }]);
+
+  return WorkerMessageHandler;
+}();
+
+exports.WorkerMessageHandler = WorkerMessageHandler;
+
+function isMessagePort(maybePort) {
+  return typeof maybePort.postMessage === "function" && "onmessage" in maybePort;
+}
+
+if (typeof window === "undefined" && !_is_node.isNodeJS && typeof self !== "undefined" && isMessagePort(self)) {
+  WorkerMessageHandler.initializeFromPort(self);
+}
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = __w_pdfjs_require__(3);
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(module) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var runtime = function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined;
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function define(obj, key, value) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+    return obj[key];
+  }
+
+  try {
+    define({}, "");
+  } catch (err) {
+    define = function define(obj, key, value) {
+      return obj[key] = value;
+    };
+  }
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []);
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+    return generator;
+  }
+
+  exports.wrap = wrap;
+
+  function tryCatch(fn, obj, arg) {
+    try {
+      return {
+        type: "normal",
+        arg: fn.call(obj, arg)
+      };
+    } catch (err) {
+      return {
+        type: "throw",
+        arg: err
+      };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+  var ContinueSentinel = {};
+
+  function Generator() {}
+
+  function GeneratorFunction() {}
+
+  function GeneratorFunctionPrototype() {}
+
+  var IteratorPrototype = {};
+
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+
+  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");
+
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function (method) {
+      define(prototype, method, function (arg) {
+        return this._invoke(method, arg);
+      });
+    });
+  }
+
+  exports.isGeneratorFunction = function (genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
+  };
+
+  exports.mark = function (genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+      define(genFun, toStringTagSymbol, "GeneratorFunction");
+    }
+
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  exports.awrap = function (arg) {
+    return {
+      __await: arg
+    };
+  };
+
+  function AsyncIterator(generator, PromiseImpl) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+
+        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
+          return PromiseImpl.resolve(value.__await).then(function (value) {
+            invoke("next", value, resolve, reject);
+          }, function (err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return PromiseImpl.resolve(value).then(function (unwrapped) {
+          result.value = unwrapped;
+          resolve(result);
+        }, function (error) {
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new PromiseImpl(function (resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
+    }
+
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+
+  exports.AsyncIterator = AsyncIterator;
+
+  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
+    if (PromiseImpl === void 0) PromiseImpl = Promise;
+    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
+    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
+      return result.done ? result.value : iter.next();
+    });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        }
+
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          context.sent = context._sent = context.arg;
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+        var record = tryCatch(innerFn, self, context);
+
+        if (record.type === "normal") {
+          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  }
+
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+
+    if (method === undefined) {
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        if (delegate.iterator["return"]) {
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError("The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (!info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      context[delegate.resultName] = info.value;
+      context.next = delegate.nextLoc;
+
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+    } else {
+      return info;
+    }
+
+    context.delegate = null;
+    return ContinueSentinel;
+  }
+
+  defineIteratorMethods(Gp);
+  define(Gp, toStringTagSymbol, "Generator");
+
+  Gp[iteratorSymbol] = function () {
+    return this;
+  };
+
+  Gp.toString = function () {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = {
+      tryLoc: locs[0]
+    };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    this.tryEntries = [{
+      tryLoc: "root"
+    }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function (object) {
+    var keys = [];
+
+    for (var key in object) {
+      keys.push(key);
+    }
+
+    keys.reverse();
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1,
+            next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    return {
+      next: doneResult
+    };
+  }
+
+  exports.values = values;
+
+  function doneResult() {
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+    reset: function reset(skipTempReset) {
+      this.prev = 0;
+      this.next = 0;
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+      this.method = "next";
+      this.arg = undefined;
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+    stop: function stop() {
+      this.done = true;
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+    dispatchException: function dispatchException(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+    abrupt: function abrupt(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+    complete: function complete(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" || record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+    finish: function finish(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+    "catch": function _catch(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+
+          return thrown;
+        }
+      }
+
+      throw new Error("illegal catch attempt");
+    },
+    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  };
+  return exports;
+}(( false ? undefined : _typeof(module)) === "object" ? module.exports : {});
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
+/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(4)(module)))
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (module) {
+  if (!module.webpackPolyfill) {
+    module.deprecate = function () {};
+
+    module.paths = [];
+    if (!module.children) module.children = [];
+    Object.defineProperty(module, "loaded", {
+      enumerable: true,
+      get: function get() {
+        return module.l;
+      }
+    });
+    Object.defineProperty(module, "id", {
+      enumerable: true,
+      get: function get() {
+        return module.i;
+      }
+    });
+    module.webpackPolyfill = 1;
+  }
+
+  return module;
+};
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(6);
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+var PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+var TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+var ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+var AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+var AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+var AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+var AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+var AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+var AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+var AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+var AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+var StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+var FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+var VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+var CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+var OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+var UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+var PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+var verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log("Info: ".concat(msg));
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log("Warning: ".concat(msg));
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  var base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  var other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value: value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+var BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+var PasswordException = /*#__PURE__*/function (_BaseException) {
+  _inherits(PasswordException, _BaseException);
+
+  var _super = _createSuper(PasswordException);
+
+  function PasswordException(msg, code) {
+    var _this;
+
+    _classCallCheck(this, PasswordException);
+
+    _this = _super.call(this, msg);
+    _this.code = code;
+    return _this;
+  }
+
+  return PasswordException;
+}(BaseException);
+
+exports.PasswordException = PasswordException;
+
+var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
+  _inherits(UnknownErrorException, _BaseException2);
+
+  var _super2 = _createSuper(UnknownErrorException);
+
+  function UnknownErrorException(msg, details) {
+    var _this2;
+
+    _classCallCheck(this, UnknownErrorException);
+
+    _this2 = _super2.call(this, msg);
+    _this2.details = details;
+    return _this2;
+  }
+
+  return UnknownErrorException;
+}(BaseException);
+
+exports.UnknownErrorException = UnknownErrorException;
+
+var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
+  _inherits(InvalidPDFException, _BaseException3);
+
+  var _super3 = _createSuper(InvalidPDFException);
+
+  function InvalidPDFException() {
+    _classCallCheck(this, InvalidPDFException);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return InvalidPDFException;
+}(BaseException);
+
+exports.InvalidPDFException = InvalidPDFException;
+
+var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
+  _inherits(MissingPDFException, _BaseException4);
+
+  var _super4 = _createSuper(MissingPDFException);
+
+  function MissingPDFException() {
+    _classCallCheck(this, MissingPDFException);
+
+    return _super4.apply(this, arguments);
+  }
+
+  return MissingPDFException;
+}(BaseException);
+
+exports.MissingPDFException = MissingPDFException;
+
+var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
+  _inherits(UnexpectedResponseException, _BaseException5);
+
+  var _super5 = _createSuper(UnexpectedResponseException);
+
+  function UnexpectedResponseException(msg, status) {
+    var _this3;
+
+    _classCallCheck(this, UnexpectedResponseException);
+
+    _this3 = _super5.call(this, msg);
+    _this3.status = status;
+    return _this3;
+  }
+
+  return UnexpectedResponseException;
+}(BaseException);
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+var FormatError = /*#__PURE__*/function (_BaseException6) {
+  _inherits(FormatError, _BaseException6);
+
+  var _super6 = _createSuper(FormatError);
+
+  function FormatError() {
+    _classCallCheck(this, FormatError);
+
+    return _super6.apply(this, arguments);
+  }
+
+  return FormatError;
+}(BaseException);
+
+exports.FormatError = FormatError;
+
+var AbortException = /*#__PURE__*/function (_BaseException7) {
+  _inherits(AbortException, _BaseException7);
+
+  var _super7 = _createSuper(AbortException);
+
+  function AbortException() {
+    _classCallCheck(this, AbortException);
+
+    return _super7.apply(this, arguments);
+  }
+
+  return AbortException;
+}(BaseException);
+
+exports.AbortException = AbortException;
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && _typeof(bytes) === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  var length = bytes.length;
+  var MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  var strBuf = [];
+
+  for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    var chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  var length = str.length;
+  var bytes = new Uint8Array(length);
+
+  for (var i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  var length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  var resultLength = 0;
+
+  for (var i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  var pos = 0;
+  var data = new Uint8Array(resultLength);
+
+  for (var _i = 0; _i < length; _i++) {
+    var item = arr[_i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    var itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  var buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+var IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+var IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+var rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+var Util = /*#__PURE__*/function () {
+  function Util() {
+    _classCallCheck(this, Util);
+  }
+
+  _createClass(Util, null, [{
+    key: "makeCssRgb",
+    value: function makeCssRgb(r, g, b) {
+      rgbBuf[1] = r;
+      rgbBuf[3] = g;
+      rgbBuf[5] = b;
+      return rgbBuf.join("");
+    }
+  }, {
+    key: "transform",
+    value: function transform(m1, m2) {
+      return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+    }
+  }, {
+    key: "applyTransform",
+    value: function applyTransform(p, m) {
+      var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+      var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+      return [xt, yt];
+    }
+  }, {
+    key: "applyInverseTransform",
+    value: function applyInverseTransform(p, m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+      var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+      return [xt, yt];
+    }
+  }, {
+    key: "getAxialAlignedBoundingBox",
+    value: function getAxialAlignedBoundingBox(r, m) {
+      var p1 = Util.applyTransform(r, m);
+      var p2 = Util.applyTransform(r.slice(2, 4), m);
+      var p3 = Util.applyTransform([r[0], r[3]], m);
+      var p4 = Util.applyTransform([r[2], r[1]], m);
+      return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+    }
+  }, {
+    key: "inverseTransform",
+    value: function inverseTransform(m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+    }
+  }, {
+    key: "apply3dTransform",
+    value: function apply3dTransform(m, v) {
+      return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+    }
+  }, {
+    key: "singularValueDecompose2dScale",
+    value: function singularValueDecompose2dScale(m) {
+      var transpose = [m[0], m[2], m[1], m[3]];
+      var a = m[0] * transpose[0] + m[1] * transpose[2];
+      var b = m[0] * transpose[1] + m[1] * transpose[3];
+      var c = m[2] * transpose[0] + m[3] * transpose[2];
+      var d = m[2] * transpose[1] + m[3] * transpose[3];
+      var first = (a + d) / 2;
+      var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+      var sx = first + second || 1;
+      var sy = first - second || 1;
+      return [Math.sqrt(sx), Math.sqrt(sy)];
+    }
+  }, {
+    key: "normalizeRect",
+    value: function normalizeRect(rect) {
+      var r = rect.slice(0);
+
+      if (rect[0] > rect[2]) {
+        r[0] = rect[2];
+        r[2] = rect[0];
+      }
+
+      if (rect[1] > rect[3]) {
+        r[1] = rect[3];
+        r[3] = rect[1];
+      }
+
+      return r;
+    }
+  }, {
+    key: "intersect",
+    value: function intersect(rect1, rect2) {
+      function compare(a, b) {
+        return a - b;
+      }
+
+      var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+      var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+      var result = [];
+      rect1 = Util.normalizeRect(rect1);
+      rect2 = Util.normalizeRect(rect2);
+
+      if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+        result[0] = orderedX[1];
+        result[2] = orderedX[2];
+      } else {
+        return null;
+      }
+
+      if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+        result[1] = orderedY[1];
+        result[3] = orderedY[2];
+      } else {
+        return null;
+      }
+
+      return result;
+    }
+  }]);
+
+  return Util;
+}();
+
+exports.Util = Util;
+var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  var length = str.length,
+      strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (var i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (var _i2 = 2; _i2 < length; _i2 += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(_i2 + 1) << 8 | str.charCodeAt(_i2)));
+    }
+  } else {
+    for (var _i3 = 0; _i3 < length; ++_i3) {
+      var code = PDFStringTranslateTable[str.charCodeAt(_i3)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(_i3));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return _typeof(v) === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate() {
+  var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date(Date.now());
+  var buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  var capability = Object.create(null);
+  var isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get: function get() {
+      return isSettled;
+    }
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+var createObjectURL = function createObjectURLClosure() {
+  var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType) {
+    var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    if (!forceDataSchema && URL.createObjectURL) {
+      var blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    var buffer = "data:".concat(contentType, ";base64,");
+
+    for (var i = 0, ii = data.length; i < ii; i += 3) {
+      var b1 = data[i] & 0xff;
+      var b2 = data[i + 1] & 0xff;
+      var b3 = data[i + 2] & 0xff;
+      var d1 = b1 >> 2,
+          d2 = (b1 & 3) << 4 | b2 >> 4;
+      var d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      var d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(7);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+if (typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked) {
+  if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
+    globalThis = __w_pdfjs_require__(8);
+  }
+
+  globalThis._pdfjsCompatibilityChecked = true;
+  var hasDOM = (typeof window === "undefined" ? "undefined" : _typeof(window)) === "object" && (typeof document === "undefined" ? "undefined" : _typeof(document)) === "object";
+  var userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  var isIE = /Trident/.test(userAgent);
+
+  (function checkNodeBtoa() {
+    if (globalThis.btoa || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.btoa = function (chars) {
+      return Buffer.from(chars, "binary").toString("base64");
+    };
+  })();
+
+  (function checkNodeAtob() {
+    if (globalThis.atob || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.atob = function (input) {
+      return Buffer.from(input, "base64").toString("binary");
+    };
+  })();
+
+  (function checkChildNodeRemove() {
+    if (!hasDOM) {
+      return;
+    }
+
+    if (typeof Element.prototype.remove !== "undefined") {
+      return;
+    }
+
+    Element.prototype.remove = function () {
+      if (this.parentNode) {
+        this.parentNode.removeChild(this);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListAddRemove() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+    div.classList.add("testOne", "testTwo");
+
+    if (div.classList.contains("testOne") === true && div.classList.contains("testTwo") === true) {
+      return;
+    }
+
+    var OriginalDOMTokenListAdd = DOMTokenList.prototype.add;
+    var OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;
+
+    DOMTokenList.prototype.add = function () {
+      for (var _len = arguments.length, tokens = new Array(_len), _key = 0; _key < _len; _key++) {
+        tokens[_key] = arguments[_key];
+      }
+
+      for (var _i = 0, _tokens = tokens; _i < _tokens.length; _i++) {
+        var token = _tokens[_i];
+        OriginalDOMTokenListAdd.call(this, token);
+      }
+    };
+
+    DOMTokenList.prototype.remove = function () {
+      for (var _len2 = arguments.length, tokens = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        tokens[_key2] = arguments[_key2];
+      }
+
+      for (var _i2 = 0, _tokens2 = tokens; _i2 < _tokens2.length; _i2++) {
+        var token = _tokens2[_i2];
+        OriginalDOMTokenListRemove.call(this, token);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListToggle() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+
+    if (div.classList.toggle("test", 0) === false) {
+      return;
+    }
+
+    DOMTokenList.prototype.toggle = function (token) {
+      var force = arguments.length > 1 ? !!arguments[1] : !this.contains(token);
+      return this[force ? "add" : "remove"](token), force;
+    };
+  })();
+
+  (function checkWindowHistoryPushStateReplaceState() {
+    if (!hasDOM || !isIE) {
+      return;
+    }
+
+    var OriginalPushState = window.history.pushState;
+    var OriginalReplaceState = window.history.replaceState;
+
+    window.history.pushState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalPushState.apply(this, args);
+    };
+
+    window.history.replaceState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalReplaceState.apply(this, args);
+    };
+  })();
+
+  (function checkStringStartsWith() {
+    if (String.prototype.startsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(53);
+  })();
+
+  (function checkStringEndsWith() {
+    if (String.prototype.endsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(64);
+  })();
+
+  (function checkStringIncludes() {
+    if (String.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(66);
+  })();
+
+  (function checkArrayIncludes() {
+    if (Array.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(68);
+  })();
+
+  (function checkArrayFrom() {
+    if (Array.from) {
+      return;
+    }
+
+    __w_pdfjs_require__(76);
+  })();
+
+  (function checkObjectAssign() {
+    if (Object.assign) {
+      return;
+    }
+
+    __w_pdfjs_require__(98);
+  })();
+
+  (function checkObjectFromEntries() {
+    if (Object.fromEntries) {
+      return;
+    }
+
+    __w_pdfjs_require__(101);
+  })();
+
+  (function checkMathLog2() {
+    if (Math.log2) {
+      return;
+    }
+
+    Math.log2 = __w_pdfjs_require__(105);
+  })();
+
+  (function checkNumberIsNaN() {
+    if (Number.isNaN) {
+      return;
+    }
+
+    Number.isNaN = __w_pdfjs_require__(107);
+  })();
+
+  (function checkNumberIsInteger() {
+    if (Number.isInteger) {
+      return;
+    }
+
+    Number.isInteger = __w_pdfjs_require__(109);
+  })();
+
+  (function checkTypedArraySlice() {
+    if (Uint8Array.prototype.slice) {
+      return;
+    }
+
+    __w_pdfjs_require__(112);
+  })();
+
+  (function checkPromise() {
+    if (globalThis.Promise && globalThis.Promise.allSettled) {
+      return;
+    }
+
+    globalThis.Promise = __w_pdfjs_require__(117);
+  })();
+
+  (function checkURL() {
+    globalThis.URL = __w_pdfjs_require__(138);
+  })();
+
+  (function checkReadableStream() {
+    var isReadableStreamSupported = false;
+
+    if (typeof ReadableStream !== "undefined") {
+      try {
+        new ReadableStream({
+          start: function start(controller) {
+            controller.close();
+          }
+        });
+        isReadableStreamSupported = true;
+      } catch (e) {}
+    }
+
+    if (isReadableStreamSupported) {
+      return;
+    }
+
+    globalThis.ReadableStream = __w_pdfjs_require__(145).ReadableStream;
+  })();
+
+  (function checkMapEntries() {
+    if (globalThis.Map && globalThis.Map.prototype.entries) {
+      return;
+    }
+
+    globalThis.Map = __w_pdfjs_require__(146);
+  })();
+
+  (function checkSetEntries() {
+    if (globalThis.Set && globalThis.Set.prototype.entries) {
+      return;
+    }
+
+    globalThis.Set = __w_pdfjs_require__(153);
+  })();
+
+  (function checkWeakMap() {
+    if (globalThis.WeakMap) {
+      return;
+    }
+
+    globalThis.WeakMap = __w_pdfjs_require__(155);
+  })();
+
+  (function checkWeakSet() {
+    if (globalThis.WeakSet) {
+      return;
+    }
+
+    globalThis.WeakSet = __w_pdfjs_require__(161);
+  })();
+
+  (function checkStringCodePointAt() {
+    if (String.prototype.codePointAt) {
+      return;
+    }
+
+    __w_pdfjs_require__(163);
+  })();
+
+  (function checkStringFromCodePoint() {
+    if (String.fromCodePoint) {
+      return;
+    }
+
+    String.fromCodePoint = __w_pdfjs_require__(165);
+  })();
+
+  (function checkSymbol() {
+    if (globalThis.Symbol) {
+      return;
+    }
+
+    __w_pdfjs_require__(167);
+  })();
+
+  (function checkStringPadStart() {
+    if (String.prototype.padStart) {
+      return;
+    }
+
+    __w_pdfjs_require__(190);
+  })();
+
+  (function checkStringPadEnd() {
+    if (String.prototype.padEnd) {
+      return;
+    }
+
+    __w_pdfjs_require__(195);
+  })();
+
+  (function checkObjectValues() {
+    if (Object.values) {
+      return;
+    }
+
+    Object.values = __w_pdfjs_require__(197);
+  })();
+
+  (function checkObjectEntries() {
+    if (Object.entries) {
+      return;
+    }
+
+    Object.entries = __w_pdfjs_require__(200);
+  })();
+}
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(9);
+module.exports = __w_pdfjs_require__(11);
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+$({ global: true }, { globalThis: global });
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var setGlobal = __w_pdfjs_require__(30);
+var copyConstructorProperties = __w_pdfjs_require__(40);
+var isForced = __w_pdfjs_require__(52);
+module.exports = function (options, source) {
+ var TARGET = options.target;
+ var GLOBAL = options.global;
+ var STATIC = options.stat;
+ var FORCED, target, key, targetProperty, sourceProperty, descriptor;
+ if (GLOBAL) {
+  target = global;
+ } else if (STATIC) {
+  target = global[TARGET] || setGlobal(TARGET, {});
+ } else {
+  target = (global[TARGET] || {}).prototype;
+ }
+ if (target)
+  for (key in source) {
+   sourceProperty = source[key];
+   if (options.noTargetGet) {
+    descriptor = getOwnPropertyDescriptor(target, key);
+    targetProperty = descriptor && descriptor.value;
+   } else
+    targetProperty = target[key];
+   FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
+   if (!FORCED && targetProperty !== undefined) {
+    if (typeof sourceProperty === typeof targetProperty)
+     continue;
+    copyConstructorProperties(sourceProperty, targetProperty);
+   }
+   if (options.sham || targetProperty && targetProperty.sham) {
+    createNonEnumerableProperty(sourceProperty, 'sham', true);
+   }
+   redefine(target, key, sourceProperty, options);
+  }
+};
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports) {
+
+var check = function (it) {
+ return it && it.Math == Math && it;
+};
+module.exports = check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || Function('return this')();
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var toIndexedObject = __w_pdfjs_require__(17);
+var toPrimitive = __w_pdfjs_require__(21);
+var has = __w_pdfjs_require__(23);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(24);
+var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
+ O = toIndexedObject(O);
+ P = toPrimitive(P, true);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeGetOwnPropertyDescriptor(O, P);
+  } catch (error) {
+  }
+ if (has(O, P))
+  return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
+};
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ return Object.defineProperty({}, 1, {
+  get: function () {
+   return 7;
+  }
+ })[1] != 7;
+});
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+ try {
+  return !!exec();
+ } catch (error) {
+  return true;
+ }
+};
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
+var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);
+exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
+ var descriptor = getOwnPropertyDescriptor(this, V);
+ return !!descriptor && descriptor.enumerable;
+} : nativePropertyIsEnumerable;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+module.exports = function (bitmap, value) {
+ return {
+  enumerable: !(bitmap & 1),
+  configurable: !(bitmap & 2),
+  writable: !(bitmap & 4),
+  value: value
+ };
+};
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IndexedObject = __w_pdfjs_require__(18);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = function (it) {
+ return IndexedObject(requireObjectCoercible(it));
+};
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var classof = __w_pdfjs_require__(19);
+var split = ''.split;
+module.exports = fails(function () {
+ return !Object('z').propertyIsEnumerable(0);
+}) ? function (it) {
+ return classof(it) == 'String' ? split.call(it, '') : Object(it);
+} : Object;
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports) {
+
+var toString = {}.toString;
+module.exports = function (it) {
+ return toString.call(it).slice(8, -1);
+};
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (it == undefined)
+  throw TypeError("Can't call method on " + it);
+ return it;
+};
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (input, PREFERRED_STRING) {
+ if (!isObject(input))
+  return input;
+ var fn, val;
+ if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ throw TypeError("Can't convert object to primitive value");
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ return typeof it === 'object' ? it !== null : typeof it === 'function';
+};
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports) {
+
+var hasOwnProperty = {}.hasOwnProperty;
+module.exports = function (it, key) {
+ return hasOwnProperty.call(it, key);
+};
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var createElement = __w_pdfjs_require__(25);
+module.exports = !DESCRIPTORS && !fails(function () {
+ return Object.defineProperty(createElement('div'), 'a', {
+  get: function () {
+   return 7;
+  }
+ }).a != 7;
+});
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var document = global.document;
+var EXISTS = isObject(document) && isObject(document.createElement);
+module.exports = function (it) {
+ return EXISTS ? document.createElement(it) : {};
+};
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var definePropertyModule = __w_pdfjs_require__(27);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+module.exports = DESCRIPTORS ? function (object, key, value) {
+ return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
+} : function (object, key, value) {
+ object[key] = value;
+ return object;
+};
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(24);
+var anObject = __w_pdfjs_require__(28);
+var toPrimitive = __w_pdfjs_require__(21);
+var nativeDefineProperty = Object.defineProperty;
+exports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
+ anObject(O);
+ P = toPrimitive(P, true);
+ anObject(Attributes);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeDefineProperty(O, P, Attributes);
+  } catch (error) {
+  }
+ if ('get' in Attributes || 'set' in Attributes)
+  throw TypeError('Accessors not supported');
+ if ('value' in Attributes)
+  O[P] = Attributes.value;
+ return O;
+};
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (it) {
+ if (!isObject(it)) {
+  throw TypeError(String(it) + ' is not an object');
+ }
+ return it;
+};
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var has = __w_pdfjs_require__(23);
+var setGlobal = __w_pdfjs_require__(30);
+var inspectSource = __w_pdfjs_require__(31);
+var InternalStateModule = __w_pdfjs_require__(33);
+var getInternalState = InternalStateModule.get;
+var enforceInternalState = InternalStateModule.enforce;
+var TEMPLATE = String(String).split('String');
+(module.exports = function (O, key, value, options) {
+ var unsafe = options ? !!options.unsafe : false;
+ var simple = options ? !!options.enumerable : false;
+ var noTargetGet = options ? !!options.noTargetGet : false;
+ if (typeof value == 'function') {
+  if (typeof key == 'string' && !has(value, 'name'))
+   createNonEnumerableProperty(value, 'name', key);
+  enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
+ }
+ if (O === global) {
+  if (simple)
+   O[key] = value;
+  else
+   setGlobal(key, value);
+  return;
+ } else if (!unsafe) {
+  delete O[key];
+ } else if (!noTargetGet && O[key]) {
+  simple = true;
+ }
+ if (simple)
+  O[key] = value;
+ else
+  createNonEnumerableProperty(O, key, value);
+})(Function.prototype, 'toString', function toString() {
+ return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
+});
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+module.exports = function (key, value) {
+ try {
+  createNonEnumerableProperty(global, key, value);
+ } catch (error) {
+  global[key] = value;
+ }
+ return value;
+};
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var store = __w_pdfjs_require__(32);
+var functionToString = Function.toString;
+if (typeof store.inspectSource != 'function') {
+ store.inspectSource = function (it) {
+  return functionToString.call(it);
+ };
+}
+module.exports = store.inspectSource;
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var setGlobal = __w_pdfjs_require__(30);
+var SHARED = '__core-js_shared__';
+var store = global[SHARED] || setGlobal(SHARED, {});
+module.exports = store;
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(34);
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var objectHas = __w_pdfjs_require__(23);
+var sharedKey = __w_pdfjs_require__(35);
+var hiddenKeys = __w_pdfjs_require__(39);
+var WeakMap = global.WeakMap;
+var set, get, has;
+var enforce = function (it) {
+ return has(it) ? get(it) : set(it, {});
+};
+var getterFor = function (TYPE) {
+ return function (it) {
+  var state;
+  if (!isObject(it) || (state = get(it)).type !== TYPE) {
+   throw TypeError('Incompatible receiver, ' + TYPE + ' required');
+  }
+  return state;
+ };
+};
+if (NATIVE_WEAK_MAP) {
+ var store = new WeakMap();
+ var wmget = store.get;
+ var wmhas = store.has;
+ var wmset = store.set;
+ set = function (it, metadata) {
+  wmset.call(store, it, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return wmget.call(store, it) || {};
+ };
+ has = function (it) {
+  return wmhas.call(store, it);
+ };
+} else {
+ var STATE = sharedKey('state');
+ hiddenKeys[STATE] = true;
+ set = function (it, metadata) {
+  createNonEnumerableProperty(it, STATE, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return objectHas(it, STATE) ? it[STATE] : {};
+ };
+ has = function (it) {
+  return objectHas(it, STATE);
+ };
+}
+module.exports = {
+ set: set,
+ get: get,
+ has: has,
+ enforce: enforce,
+ getterFor: getterFor
+};
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var inspectSource = __w_pdfjs_require__(31);
+var WeakMap = global.WeakMap;
+module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var shared = __w_pdfjs_require__(36);
+var uid = __w_pdfjs_require__(38);
+var keys = shared('keys');
+module.exports = function (key) {
+ return keys[key] || (keys[key] = uid(key));
+};
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IS_PURE = __w_pdfjs_require__(37);
+var store = __w_pdfjs_require__(32);
+(module.exports = function (key, value) {
+ return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+ version: '3.6.5',
+ mode: IS_PURE ? 'pure' : 'global',
+ copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
+});
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports) {
+
+module.exports = false;
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports) {
+
+var id = 0;
+var postfix = Math.random();
+module.exports = function (key) {
+ return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
+};
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var ownKeys = __w_pdfjs_require__(41);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(12);
+var definePropertyModule = __w_pdfjs_require__(27);
+module.exports = function (target, source) {
+ var keys = ownKeys(source);
+ var defineProperty = definePropertyModule.f;
+ var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+ for (var i = 0; i < keys.length; i++) {
+  var key = keys[i];
+  if (!has(target, key))
+   defineProperty(target, key, getOwnPropertyDescriptor(source, key));
+ }
+};
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(44);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var anObject = __w_pdfjs_require__(28);
+module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
+ var keys = getOwnPropertyNamesModule.f(anObject(it));
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
+};
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(43);
+var global = __w_pdfjs_require__(11);
+var aFunction = function (variable) {
+ return typeof variable == 'function' ? variable : undefined;
+};
+module.exports = function (namespace, method) {
+ return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace]) : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
+};
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = global;
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(45);
+var enumBugKeys = __w_pdfjs_require__(50);
+var hiddenKeys = enumBugKeys.concat('length', 'prototype');
+exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
+ return internalObjectKeys(O, hiddenKeys);
+};
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var toIndexedObject = __w_pdfjs_require__(17);
+var indexOf = __w_pdfjs_require__(46).indexOf;
+var hiddenKeys = __w_pdfjs_require__(39);
+module.exports = function (object, names) {
+ var O = toIndexedObject(object);
+ var i = 0;
+ var result = [];
+ var key;
+ for (key in O)
+  !has(hiddenKeys, key) && has(O, key) && result.push(key);
+ while (names.length > i)
+  if (has(O, key = names[i++])) {
+   ~indexOf(result, key) || result.push(key);
+  }
+ return result;
+};
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var toLength = __w_pdfjs_require__(47);
+var toAbsoluteIndex = __w_pdfjs_require__(49);
+var createMethod = function (IS_INCLUDES) {
+ return function ($this, el, fromIndex) {
+  var O = toIndexedObject($this);
+  var length = toLength(O.length);
+  var index = toAbsoluteIndex(fromIndex, length);
+  var value;
+  if (IS_INCLUDES && el != el)
+   while (length > index) {
+    value = O[index++];
+    if (value != value)
+     return true;
+   }
+  else
+   for (; length > index; index++) {
+    if ((IS_INCLUDES || index in O) && O[index] === el)
+     return IS_INCLUDES || index || 0;
+   }
+  return !IS_INCLUDES && -1;
+ };
+};
+module.exports = {
+ includes: createMethod(true),
+ indexOf: createMethod(false)
+};
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var min = Math.min;
+module.exports = function (argument) {
+ return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0;
+};
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports) {
+
+var ceil = Math.ceil;
+var floor = Math.floor;
+module.exports = function (argument) {
+ return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
+};
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var max = Math.max;
+var min = Math.min;
+module.exports = function (index, length) {
+ var integer = toInteger(index);
+ return integer < 0 ? max(integer + length, 0) : min(integer, length);
+};
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports) {
+
+module.exports = [
+ 'constructor',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'toLocaleString',
+ 'toString',
+ 'valueOf'
+];
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports) {
+
+exports.f = Object.getOwnPropertySymbols;
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var replacement = /#|\.prototype\./;
+var isForced = function (feature, detection) {
+ var value = data[normalize(feature)];
+ return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
+};
+var normalize = isForced.normalize = function (string) {
+ return String(string).replace(replacement, '.').toLowerCase();
+};
+var data = isForced.data = {};
+var NATIVE = isForced.NATIVE = 'N';
+var POLYFILL = isForced.POLYFILL = 'P';
+module.exports = isForced;
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(54);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'startsWith');
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var toLength = __w_pdfjs_require__(47);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+var IS_PURE = __w_pdfjs_require__(37);
+var nativeStartsWith = ''.startsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ startsWith: function startsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+  var search = String(searchString);
+  return nativeStartsWith ? nativeStartsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
+ }
+});
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isRegExp = __w_pdfjs_require__(56);
+module.exports = function (it) {
+ if (isRegExp(it)) {
+  throw TypeError("The method doesn't accept regular expressions");
+ }
+ return it;
+};
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var classof = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (it) {
+ var isRegExp;
+ return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
+};
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var shared = __w_pdfjs_require__(36);
+var has = __w_pdfjs_require__(23);
+var uid = __w_pdfjs_require__(38);
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(59);
+var WellKnownSymbolsStore = shared('wks');
+var Symbol = global.Symbol;
+var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
+module.exports = function (name) {
+ if (!has(WellKnownSymbolsStore, name)) {
+  if (NATIVE_SYMBOL && has(Symbol, name))
+   WellKnownSymbolsStore[name] = Symbol[name];
+  else
+   WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
+ }
+ return WellKnownSymbolsStore[name];
+};
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
+ return !String(Symbol());
+});
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+module.exports = NATIVE_SYMBOL && !Symbol.sham && typeof Symbol.iterator == 'symbol';
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (METHOD_NAME) {
+ var regexp = /./;
+ try {
+  '/./'[METHOD_NAME](regexp);
+ } catch (e) {
+  try {
+   regexp[MATCH] = false;
+   return '/./'[METHOD_NAME](regexp);
+  } catch (f) {
+  }
+ }
+ return false;
+};
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var bind = __w_pdfjs_require__(62);
+var call = Function.call;
+module.exports = function (CONSTRUCTOR, METHOD, length) {
+ return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);
+};
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var aFunction = __w_pdfjs_require__(63);
+module.exports = function (fn, that, length) {
+ aFunction(fn);
+ if (that === undefined)
+  return fn;
+ switch (length) {
+ case 0:
+  return function () {
+   return fn.call(that);
+  };
+ case 1:
+  return function (a) {
+   return fn.call(that, a);
+  };
+ case 2:
+  return function (a, b) {
+   return fn.call(that, a, b);
+  };
+ case 3:
+  return function (a, b, c) {
+   return fn.call(that, a, b, c);
+  };
+ }
+ return function () {
+  return fn.apply(that, arguments);
+ };
+};
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (typeof it != 'function') {
+  throw TypeError(String(it) + ' is not a function');
+ }
+ return it;
+};
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(65);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'endsWith');
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var toLength = __w_pdfjs_require__(47);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+var IS_PURE = __w_pdfjs_require__(37);
+var nativeEndsWith = ''.endsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ endsWith: function endsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+  var len = toLength(that.length);
+  var end = endPosition === undefined ? len : min(toLength(endPosition), len);
+  var search = String(searchString);
+  return nativeEndsWith ? nativeEndsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
+ }
+});
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(67);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'includes');
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var notARegExp = __w_pdfjs_require__(55);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var correctIsRegExpLogic = __w_pdfjs_require__(60);
+$({
+ target: 'String',
+ proto: true,
+ forced: !correctIsRegExpLogic('includes')
+}, {
+ includes: function includes(searchString) {
+  return !!~String(requireObjectCoercible(this)).indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(69);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('Array', 'includes');
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $includes = __w_pdfjs_require__(46).includes;
+var addToUnscopables = __w_pdfjs_require__(70);
+var arrayMethodUsesToLength = __w_pdfjs_require__(75);
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+ ACCESSORS: true,
+ 1: 0
+});
+$({
+ target: 'Array',
+ proto: true,
+ forced: !USES_TO_LENGTH
+}, {
+ includes: function includes(el) {
+  return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+addToUnscopables('includes');
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var create = __w_pdfjs_require__(71);
+var definePropertyModule = __w_pdfjs_require__(27);
+var UNSCOPABLES = wellKnownSymbol('unscopables');
+var ArrayPrototype = Array.prototype;
+if (ArrayPrototype[UNSCOPABLES] == undefined) {
+ definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
+  configurable: true,
+  value: create(null)
+ });
+}
+module.exports = function (key) {
+ ArrayPrototype[UNSCOPABLES][key] = true;
+};
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var defineProperties = __w_pdfjs_require__(72);
+var enumBugKeys = __w_pdfjs_require__(50);
+var hiddenKeys = __w_pdfjs_require__(39);
+var html = __w_pdfjs_require__(74);
+var documentCreateElement = __w_pdfjs_require__(25);
+var sharedKey = __w_pdfjs_require__(35);
+var GT = '>';
+var LT = '<';
+var PROTOTYPE = 'prototype';
+var SCRIPT = 'script';
+var IE_PROTO = sharedKey('IE_PROTO');
+var EmptyConstructor = function () {
+};
+var scriptTag = function (content) {
+ return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
+};
+var NullProtoObjectViaActiveX = function (activeXDocument) {
+ activeXDocument.write(scriptTag(''));
+ activeXDocument.close();
+ var temp = activeXDocument.parentWindow.Object;
+ activeXDocument = null;
+ return temp;
+};
+var NullProtoObjectViaIFrame = function () {
+ var iframe = documentCreateElement('iframe');
+ var JS = 'java' + SCRIPT + ':';
+ var iframeDocument;
+ iframe.style.display = 'none';
+ html.appendChild(iframe);
+ iframe.src = String(JS);
+ iframeDocument = iframe.contentWindow.document;
+ iframeDocument.open();
+ iframeDocument.write(scriptTag('document.F=Object'));
+ iframeDocument.close();
+ return iframeDocument.F;
+};
+var activeXDocument;
+var NullProtoObject = function () {
+ try {
+  activeXDocument = document.domain && new ActiveXObject('htmlfile');
+ } catch (error) {
+ }
+ NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
+ var length = enumBugKeys.length;
+ while (length--)
+  delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
+ return NullProtoObject();
+};
+hiddenKeys[IE_PROTO] = true;
+module.exports = Object.create || function create(O, Properties) {
+ var result;
+ if (O !== null) {
+  EmptyConstructor[PROTOTYPE] = anObject(O);
+  result = new EmptyConstructor();
+  EmptyConstructor[PROTOTYPE] = null;
+  result[IE_PROTO] = O;
+ } else
+  result = NullProtoObject();
+ return Properties === undefined ? result : defineProperties(result, Properties);
+};
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var definePropertyModule = __w_pdfjs_require__(27);
+var anObject = __w_pdfjs_require__(28);
+var objectKeys = __w_pdfjs_require__(73);
+module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
+ anObject(O);
+ var keys = objectKeys(Properties);
+ var length = keys.length;
+ var index = 0;
+ var key;
+ while (length > index)
+  definePropertyModule.f(O, key = keys[index++], Properties[key]);
+ return O;
+};
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(45);
+var enumBugKeys = __w_pdfjs_require__(50);
+module.exports = Object.keys || function keys(O) {
+ return internalObjectKeys(O, enumBugKeys);
+};
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+module.exports = getBuiltIn('document', 'documentElement');
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var has = __w_pdfjs_require__(23);
+var defineProperty = Object.defineProperty;
+var cache = {};
+var thrower = function (it) {
+ throw it;
+};
+module.exports = function (METHOD_NAME, options) {
+ if (has(cache, METHOD_NAME))
+  return cache[METHOD_NAME];
+ if (!options)
+  options = {};
+ var method = [][METHOD_NAME];
+ var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
+ var argument0 = has(options, 0) ? options[0] : thrower;
+ var argument1 = has(options, 1) ? options[1] : undefined;
+ return cache[METHOD_NAME] = !!method && !fails(function () {
+  if (ACCESSORS && !DESCRIPTORS)
+   return true;
+  var O = { length: -1 };
+  if (ACCESSORS)
+   defineProperty(O, 1, {
+    enumerable: true,
+    get: thrower
+   });
+  else
+   O[1] = 1;
+  method.call(O, argument0, argument1);
+ });
+};
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(89);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Array.from;
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var charAt = __w_pdfjs_require__(78).charAt;
+var InternalStateModule = __w_pdfjs_require__(33);
+var defineIterator = __w_pdfjs_require__(79);
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
+defineIterator(String, 'String', function (iterated) {
+ setInternalState(this, {
+  type: STRING_ITERATOR,
+  string: String(iterated),
+  index: 0
+ });
+}, function next() {
+ var state = getInternalState(this);
+ var string = state.string;
+ var index = state.index;
+ var point;
+ if (index >= string.length)
+  return {
+   value: undefined,
+   done: true
+  };
+ point = charAt(string, index);
+ state.index += point.length;
+ return {
+  value: point,
+  done: false
+ };
+});
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(48);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var createMethod = function (CONVERT_TO_STRING) {
+ return function ($this, pos) {
+  var S = String(requireObjectCoercible($this));
+  var position = toInteger(pos);
+  var size = S.length;
+  var first, second;
+  if (position < 0 || position >= size)
+   return CONVERT_TO_STRING ? '' : undefined;
+  first = S.charCodeAt(position);
+  return first < 0xD800 || first > 0xDBFF || position + 1 === size || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF ? CONVERT_TO_STRING ? S.charAt(position) : first : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
+ };
+};
+module.exports = {
+ codeAt: createMethod(false),
+ charAt: createMethod(true)
+};
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var createIteratorConstructor = __w_pdfjs_require__(80);
+var getPrototypeOf = __w_pdfjs_require__(82);
+var setPrototypeOf = __w_pdfjs_require__(87);
+var setToStringTag = __w_pdfjs_require__(85);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var Iterators = __w_pdfjs_require__(86);
+var IteratorsCore = __w_pdfjs_require__(81);
+var IteratorPrototype = IteratorsCore.IteratorPrototype;
+var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
+var ITERATOR = wellKnownSymbol('iterator');
+var KEYS = 'keys';
+var VALUES = 'values';
+var ENTRIES = 'entries';
+var returnThis = function () {
+ return this;
+};
+module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
+ createIteratorConstructor(IteratorConstructor, NAME, next);
+ var getIterationMethod = function (KIND) {
+  if (KIND === DEFAULT && defaultIterator)
+   return defaultIterator;
+  if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype)
+   return IterablePrototype[KIND];
+  switch (KIND) {
+  case KEYS:
+   return function keys() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case VALUES:
+   return function values() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case ENTRIES:
+   return function entries() {
+    return new IteratorConstructor(this, KIND);
+   };
+  }
+  return function () {
+   return new IteratorConstructor(this);
+  };
+ };
+ var TO_STRING_TAG = NAME + ' Iterator';
+ var INCORRECT_VALUES_NAME = false;
+ var IterablePrototype = Iterable.prototype;
+ var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
+ var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
+ var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
+ var CurrentIteratorPrototype, methods, KEY;
+ if (anyNativeIterator) {
+  CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
+  if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
+   if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
+    if (setPrototypeOf) {
+     setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
+    } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
+     createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
+    }
+   }
+   setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
+   if (IS_PURE)
+    Iterators[TO_STRING_TAG] = returnThis;
+  }
+ }
+ if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
+  INCORRECT_VALUES_NAME = true;
+  defaultIterator = function values() {
+   return nativeIterator.call(this);
+  };
+ }
+ if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
+  createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
+ }
+ Iterators[NAME] = defaultIterator;
+ if (DEFAULT) {
+  methods = {
+   values: getIterationMethod(VALUES),
+   keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
+   entries: getIterationMethod(ENTRIES)
+  };
+  if (FORCED)
+   for (KEY in methods) {
+    if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
+     redefine(IterablePrototype, KEY, methods[KEY]);
+    }
+   }
+  else
+   $({
+    target: NAME,
+    proto: true,
+    forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
+   }, methods);
+ }
+ return methods;
+};
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var IteratorPrototype = __w_pdfjs_require__(81).IteratorPrototype;
+var create = __w_pdfjs_require__(71);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var setToStringTag = __w_pdfjs_require__(85);
+var Iterators = __w_pdfjs_require__(86);
+var returnThis = function () {
+ return this;
+};
+module.exports = function (IteratorConstructor, NAME, next) {
+ var TO_STRING_TAG = NAME + ' Iterator';
+ IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
+ setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
+ Iterators[TO_STRING_TAG] = returnThis;
+ return IteratorConstructor;
+};
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getPrototypeOf = __w_pdfjs_require__(82);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var has = __w_pdfjs_require__(23);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var ITERATOR = wellKnownSymbol('iterator');
+var BUGGY_SAFARI_ITERATORS = false;
+var returnThis = function () {
+ return this;
+};
+var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
+if ([].keys) {
+ arrayIterator = [].keys();
+ if (!('next' in arrayIterator))
+  BUGGY_SAFARI_ITERATORS = true;
+ else {
+  PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
+  if (PrototypeOfArrayIteratorPrototype !== Object.prototype)
+   IteratorPrototype = PrototypeOfArrayIteratorPrototype;
+ }
+}
+if (IteratorPrototype == undefined)
+ IteratorPrototype = {};
+if (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {
+ createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
+}
+module.exports = {
+ IteratorPrototype: IteratorPrototype,
+ BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
+};
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(23);
+var toObject = __w_pdfjs_require__(83);
+var sharedKey = __w_pdfjs_require__(35);
+var CORRECT_PROTOTYPE_GETTER = __w_pdfjs_require__(84);
+var IE_PROTO = sharedKey('IE_PROTO');
+var ObjectPrototype = Object.prototype;
+module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
+ O = toObject(O);
+ if (has(O, IE_PROTO))
+  return O[IE_PROTO];
+ if (typeof O.constructor == 'function' && O instanceof O.constructor) {
+  return O.constructor.prototype;
+ }
+ return O instanceof Object ? ObjectPrototype : null;
+};
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = function (argument) {
+ return Object(requireObjectCoercible(argument));
+};
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ function F() {
+ }
+ F.prototype.constructor = null;
+ return Object.getPrototypeOf(new F()) !== F.prototype;
+});
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineProperty = __w_pdfjs_require__(27).f;
+var has = __w_pdfjs_require__(23);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+module.exports = function (it, TAG, STATIC) {
+ if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
+  defineProperty(it, TO_STRING_TAG, {
+   configurable: true,
+   value: TAG
+  });
+ }
+};
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var aPossiblePrototype = __w_pdfjs_require__(88);
+module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
+ var CORRECT_SETTER = false;
+ var test = {};
+ var setter;
+ try {
+  setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
+  setter.call(test, []);
+  CORRECT_SETTER = test instanceof Array;
+ } catch (error) {
+ }
+ return function setPrototypeOf(O, proto) {
+  anObject(O);
+  aPossiblePrototype(proto);
+  if (CORRECT_SETTER)
+   setter.call(O, proto);
+  else
+   O.__proto__ = proto;
+  return O;
+ };
+}() : undefined);
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+module.exports = function (it) {
+ if (!isObject(it) && it !== null) {
+  throw TypeError("Can't set " + String(it) + ' as a prototype');
+ }
+ return it;
+};
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var from = __w_pdfjs_require__(90);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
+ Array.from(iterable);
+});
+$({
+ target: 'Array',
+ stat: true,
+ forced: INCORRECT_ITERATION
+}, { from: from });
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var bind = __w_pdfjs_require__(62);
+var toObject = __w_pdfjs_require__(83);
+var callWithSafeIterationClosing = __w_pdfjs_require__(91);
+var isArrayIteratorMethod = __w_pdfjs_require__(92);
+var toLength = __w_pdfjs_require__(47);
+var createProperty = __w_pdfjs_require__(93);
+var getIteratorMethod = __w_pdfjs_require__(94);
+module.exports = function from(arrayLike) {
+ var O = toObject(arrayLike);
+ var C = typeof this == 'function' ? this : Array;
+ var argumentsLength = arguments.length;
+ var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+ var mapping = mapfn !== undefined;
+ var iteratorMethod = getIteratorMethod(O);
+ var index = 0;
+ var length, result, step, iterator, next, value;
+ if (mapping)
+  mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
+ if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
+  iterator = iteratorMethod.call(O);
+  next = iterator.next;
+  result = new C();
+  for (; !(step = next.call(iterator)).done; index++) {
+   value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [
+    step.value,
+    index
+   ], true) : step.value;
+   createProperty(result, index, value);
+  }
+ } else {
+  length = toLength(O.length);
+  result = new C(length);
+  for (; length > index; index++) {
+   value = mapping ? mapfn(O[index], index) : O[index];
+   createProperty(result, index, value);
+  }
+ }
+ result.length = index;
+ return result;
+};
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+module.exports = function (iterator, fn, value, ENTRIES) {
+ try {
+  return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
+ } catch (error) {
+  var returnMethod = iterator['return'];
+  if (returnMethod !== undefined)
+   anObject(returnMethod.call(iterator));
+  throw error;
+ }
+};
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var Iterators = __w_pdfjs_require__(86);
+var ITERATOR = wellKnownSymbol('iterator');
+var ArrayPrototype = Array.prototype;
+module.exports = function (it) {
+ return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
+};
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toPrimitive = __w_pdfjs_require__(21);
+var definePropertyModule = __w_pdfjs_require__(27);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+module.exports = function (object, key, value) {
+ var propertyKey = toPrimitive(key);
+ if (propertyKey in object)
+  definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
+ else
+  object[propertyKey] = value;
+};
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(95);
+var Iterators = __w_pdfjs_require__(86);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = function (it) {
+ if (it != undefined)
+  return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
+};
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var classofRaw = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var CORRECT_ARGUMENTS = classofRaw(function () {
+ return arguments;
+}()) == 'Arguments';
+var tryGet = function (it, key) {
+ try {
+  return it[key];
+ } catch (error) {
+ }
+};
+module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
+ var O, tag, result;
+ return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag : CORRECT_ARGUMENTS ? classofRaw(O) : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
+};
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var test = {};
+test[TO_STRING_TAG] = 'z';
+module.exports = String(test) === '[object z]';
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+var SAFE_CLOSING = false;
+try {
+ var called = 0;
+ var iteratorWithReturn = {
+  next: function () {
+   return { done: !!called++ };
+  },
+  'return': function () {
+   SAFE_CLOSING = true;
+  }
+ };
+ iteratorWithReturn[ITERATOR] = function () {
+  return this;
+ };
+ Array.from(iteratorWithReturn, function () {
+  throw 2;
+ });
+} catch (error) {
+}
+module.exports = function (exec, SKIP_CLOSING) {
+ if (!SKIP_CLOSING && !SAFE_CLOSING)
+  return false;
+ var ITERATION_SUPPORT = false;
+ try {
+  var object = {};
+  object[ITERATOR] = function () {
+   return {
+    next: function () {
+     return { done: ITERATION_SUPPORT = true };
+    }
+   };
+  };
+  exec(object);
+ } catch (error) {
+ }
+ return ITERATION_SUPPORT;
+};
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(99);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.assign;
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var assign = __w_pdfjs_require__(100);
+$({
+ target: 'Object',
+ stat: true,
+ forced: Object.assign !== assign
+}, { assign: assign });
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fails = __w_pdfjs_require__(14);
+var objectKeys = __w_pdfjs_require__(73);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var toObject = __w_pdfjs_require__(83);
+var IndexedObject = __w_pdfjs_require__(18);
+var nativeAssign = Object.assign;
+var defineProperty = Object.defineProperty;
+module.exports = !nativeAssign || fails(function () {
+ if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {
+   enumerable: true,
+   get: function () {
+    defineProperty(this, 'b', {
+     value: 3,
+     enumerable: false
+    });
+   }
+  }), { b: 2 })).b !== 1)
+  return true;
+ var A = {};
+ var B = {};
+ var symbol = Symbol();
+ var alphabet = 'abcdefghijklmnopqrst';
+ A[symbol] = 7;
+ alphabet.split('').forEach(function (chr) {
+  B[chr] = chr;
+ });
+ return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
+}) ? function assign(target, source) {
+ var T = toObject(target);
+ var argumentsLength = arguments.length;
+ var index = 1;
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ var propertyIsEnumerable = propertyIsEnumerableModule.f;
+ while (argumentsLength > index) {
+  var S = IndexedObject(arguments[index++]);
+  var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
+  var length = keys.length;
+  var j = 0;
+  var key;
+  while (length > j) {
+   key = keys[j++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(S, key))
+    T[key] = S[key];
+  }
+ }
+ return T;
+} : nativeAssign;
+
+/***/ }),
+/* 101 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(102);
+__w_pdfjs_require__(103);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.fromEntries;
+
+/***/ }),
+/* 102 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var addToUnscopables = __w_pdfjs_require__(70);
+var Iterators = __w_pdfjs_require__(86);
+var InternalStateModule = __w_pdfjs_require__(33);
+var defineIterator = __w_pdfjs_require__(79);
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+ setInternalState(this, {
+  type: ARRAY_ITERATOR,
+  target: toIndexedObject(iterated),
+  index: 0,
+  kind: kind
+ });
+}, function () {
+ var state = getInternalState(this);
+ var target = state.target;
+ var kind = state.kind;
+ var index = state.index++;
+ if (!target || index >= target.length) {
+  state.target = undefined;
+  return {
+   value: undefined,
+   done: true
+  };
+ }
+ if (kind == 'keys')
+  return {
+   value: index,
+   done: false
+  };
+ if (kind == 'values')
+  return {
+   value: target[index],
+   done: false
+  };
+ return {
+  value: [
+   index,
+   target[index]
+  ],
+  done: false
+ };
+}, 'values');
+Iterators.Arguments = Iterators.Array;
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
+
+/***/ }),
+/* 103 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var iterate = __w_pdfjs_require__(104);
+var createProperty = __w_pdfjs_require__(93);
+$({
+ target: 'Object',
+ stat: true
+}, {
+ fromEntries: function fromEntries(iterable) {
+  var obj = {};
+  iterate(iterable, function (k, v) {
+   createProperty(obj, k, v);
+  }, undefined, true);
+  return obj;
+ }
+});
+
+/***/ }),
+/* 104 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var isArrayIteratorMethod = __w_pdfjs_require__(92);
+var toLength = __w_pdfjs_require__(47);
+var bind = __w_pdfjs_require__(62);
+var getIteratorMethod = __w_pdfjs_require__(94);
+var callWithSafeIterationClosing = __w_pdfjs_require__(91);
+var Result = function (stopped, result) {
+ this.stopped = stopped;
+ this.result = result;
+};
+var iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
+ var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);
+ var iterator, iterFn, index, length, result, next, step;
+ if (IS_ITERATOR) {
+  iterator = iterable;
+ } else {
+  iterFn = getIteratorMethod(iterable);
+  if (typeof iterFn != 'function')
+   throw TypeError('Target is not iterable');
+  if (isArrayIteratorMethod(iterFn)) {
+   for (index = 0, length = toLength(iterable.length); length > index; index++) {
+    result = AS_ENTRIES ? boundFunction(anObject(step = iterable[index])[0], step[1]) : boundFunction(iterable[index]);
+    if (result && result instanceof Result)
+     return result;
+   }
+   return new Result(false);
+  }
+  iterator = iterFn.call(iterable);
+ }
+ next = iterator.next;
+ while (!(step = next.call(iterator)).done) {
+  result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
+  if (typeof result == 'object' && result && result instanceof Result)
+   return result;
+ }
+ return new Result(false);
+};
+iterate.stop = function (result) {
+ return new Result(true, result);
+};
+
+/***/ }),
+/* 105 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(106);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Math.log2;
+
+/***/ }),
+/* 106 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var log = Math.log;
+var LN2 = Math.LN2;
+$({
+ target: 'Math',
+ stat: true
+}, {
+ log2: function log2(x) {
+  return log(x) / LN2;
+ }
+});
+
+/***/ }),
+/* 107 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(108);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Number.isNaN;
+
+/***/ }),
+/* 108 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+$({
+ target: 'Number',
+ stat: true
+}, {
+ isNaN: function isNaN(number) {
+  return number != number;
+ }
+});
+
+/***/ }),
+/* 109 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(110);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Number.isInteger;
+
+/***/ }),
+/* 110 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var isInteger = __w_pdfjs_require__(111);
+$({
+ target: 'Number',
+ stat: true
+}, { isInteger: isInteger });
+
+/***/ }),
+/* 111 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var floor = Math.floor;
+module.exports = function isInteger(it) {
+ return !isObject(it) && isFinite(it) && floor(it) === it;
+};
+
+/***/ }),
+/* 112 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(113);
+
+/***/ }),
+/* 113 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var ArrayBufferViewCore = __w_pdfjs_require__(114);
+var speciesConstructor = __w_pdfjs_require__(116);
+var fails = __w_pdfjs_require__(14);
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $slice = [].slice;
+var FORCED = fails(function () {
+ new Int8Array(1).slice();
+});
+exportTypedArrayMethod('slice', function slice(start, end) {
+ var list = $slice.call(aTypedArray(this), start, end);
+ var C = speciesConstructor(this, this.constructor);
+ var index = 0;
+ var length = list.length;
+ var result = new (aTypedArrayConstructor(C))(length);
+ while (length > index)
+  result[index] = list[index++];
+ return result;
+}, FORCED);
+
+/***/ }),
+/* 114 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var NATIVE_ARRAY_BUFFER = __w_pdfjs_require__(115);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var global = __w_pdfjs_require__(11);
+var isObject = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(23);
+var classof = __w_pdfjs_require__(95);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var defineProperty = __w_pdfjs_require__(27).f;
+var getPrototypeOf = __w_pdfjs_require__(82);
+var setPrototypeOf = __w_pdfjs_require__(87);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var uid = __w_pdfjs_require__(38);
+var Int8Array = global.Int8Array;
+var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
+var Uint8ClampedArray = global.Uint8ClampedArray;
+var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
+var TypedArray = Int8Array && getPrototypeOf(Int8Array);
+var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
+var ObjectPrototype = Object.prototype;
+var isPrototypeOf = ObjectPrototype.isPrototypeOf;
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
+var NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';
+var TYPED_ARRAY_TAG_REQIRED = false;
+var NAME;
+var TypedArrayConstructorsList = {
+ Int8Array: 1,
+ Uint8Array: 1,
+ Uint8ClampedArray: 1,
+ Int16Array: 2,
+ Uint16Array: 2,
+ Int32Array: 4,
+ Uint32Array: 4,
+ Float32Array: 4,
+ Float64Array: 8
+};
+var isView = function isView(it) {
+ var klass = classof(it);
+ return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
+};
+var isTypedArray = function (it) {
+ return isObject(it) && has(TypedArrayConstructorsList, classof(it));
+};
+var aTypedArray = function (it) {
+ if (isTypedArray(it))
+  return it;
+ throw TypeError('Target is not a typed array');
+};
+var aTypedArrayConstructor = function (C) {
+ if (setPrototypeOf) {
+  if (isPrototypeOf.call(TypedArray, C))
+   return C;
+ } else
+  for (var ARRAY in TypedArrayConstructorsList)
+   if (has(TypedArrayConstructorsList, NAME)) {
+    var TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
+     return C;
+    }
+   }
+ throw TypeError('Target is not a typed array constructor');
+};
+var exportTypedArrayMethod = function (KEY, property, forced) {
+ if (!DESCRIPTORS)
+  return;
+ if (forced)
+  for (var ARRAY in TypedArrayConstructorsList) {
+   var TypedArrayConstructor = global[ARRAY];
+   if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
+    delete TypedArrayConstructor.prototype[KEY];
+   }
+  }
+ if (!TypedArrayPrototype[KEY] || forced) {
+  redefine(TypedArrayPrototype, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
+ }
+};
+var exportTypedArrayStaticMethod = function (KEY, property, forced) {
+ var ARRAY, TypedArrayConstructor;
+ if (!DESCRIPTORS)
+  return;
+ if (setPrototypeOf) {
+  if (forced)
+   for (ARRAY in TypedArrayConstructorsList) {
+    TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
+     delete TypedArrayConstructor[KEY];
+    }
+   }
+  if (!TypedArray[KEY] || forced) {
+   try {
+    return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);
+   } catch (error) {
+   }
+  } else
+   return;
+ }
+ for (ARRAY in TypedArrayConstructorsList) {
+  TypedArrayConstructor = global[ARRAY];
+  if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
+   redefine(TypedArrayConstructor, KEY, property);
+  }
+ }
+};
+for (NAME in TypedArrayConstructorsList) {
+ if (!global[NAME])
+  NATIVE_ARRAY_BUFFER_VIEWS = false;
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
+ TypedArray = function TypedArray() {
+  throw TypeError('Incorrect invocation');
+ };
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME], TypedArray);
+  }
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {
+ TypedArrayPrototype = TypedArray.prototype;
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);
+  }
+}
+if (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
+ setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
+}
+if (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {
+ TYPED_ARRAY_TAG_REQIRED = true;
+ defineProperty(TypedArrayPrototype, TO_STRING_TAG, {
+  get: function () {
+   return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
+  }
+ });
+ for (NAME in TypedArrayConstructorsList)
+  if (global[NAME]) {
+   createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);
+  }
+}
+module.exports = {
+ NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
+ TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
+ aTypedArray: aTypedArray,
+ aTypedArrayConstructor: aTypedArrayConstructor,
+ exportTypedArrayMethod: exportTypedArrayMethod,
+ exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
+ isView: isView,
+ isTypedArray: isTypedArray,
+ TypedArray: TypedArray,
+ TypedArrayPrototype: TypedArrayPrototype
+};
+
+/***/ }),
+/* 115 */
+/***/ (function(module, exports) {
+
+module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';
+
+/***/ }),
+/* 116 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var aFunction = __w_pdfjs_require__(63);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (O, defaultConstructor) {
+ var C = anObject(O).constructor;
+ var S;
+ return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
+};
+
+/***/ }),
+/* 117 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+__w_pdfjs_require__(122);
+__w_pdfjs_require__(136);
+__w_pdfjs_require__(137);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Promise;
+
+/***/ }),
+/* 118 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var redefine = __w_pdfjs_require__(29);
+var toString = __w_pdfjs_require__(119);
+if (!TO_STRING_TAG_SUPPORT) {
+ redefine(Object.prototype, 'toString', toString, { unsafe: true });
+}
+
+/***/ }),
+/* 119 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(96);
+var classof = __w_pdfjs_require__(95);
+module.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {
+ return '[object ' + classof(this) + ']';
+};
+
+/***/ }),
+/* 120 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var DOMIterables = __w_pdfjs_require__(121);
+var ArrayIteratorMethods = __w_pdfjs_require__(102);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+for (var COLLECTION_NAME in DOMIterables) {
+ var Collection = global[COLLECTION_NAME];
+ var CollectionPrototype = Collection && Collection.prototype;
+ if (CollectionPrototype) {
+  if (CollectionPrototype[ITERATOR] !== ArrayValues)
+   try {
+    createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
+   } catch (error) {
+    CollectionPrototype[ITERATOR] = ArrayValues;
+   }
+  if (!CollectionPrototype[TO_STRING_TAG]) {
+   createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+  }
+  if (DOMIterables[COLLECTION_NAME])
+   for (var METHOD_NAME in ArrayIteratorMethods) {
+    if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME])
+     try {
+      createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
+     } catch (error) {
+      CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
+     }
+   }
+ }
+}
+
+/***/ }),
+/* 121 */
+/***/ (function(module, exports) {
+
+module.exports = {
+ CSSRuleList: 0,
+ CSSStyleDeclaration: 0,
+ CSSValueList: 0,
+ ClientRectList: 0,
+ DOMRectList: 0,
+ DOMStringList: 0,
+ DOMTokenList: 1,
+ DataTransferItemList: 0,
+ FileList: 0,
+ HTMLAllCollection: 0,
+ HTMLCollection: 0,
+ HTMLFormElement: 0,
+ HTMLSelectElement: 0,
+ MediaList: 0,
+ MimeTypeArray: 0,
+ NamedNodeMap: 0,
+ NodeList: 1,
+ PaintRequestList: 0,
+ Plugin: 0,
+ PluginArray: 0,
+ SVGLengthList: 0,
+ SVGNumberList: 0,
+ SVGPathSegList: 0,
+ SVGPointList: 0,
+ SVGStringList: 0,
+ SVGTransformList: 0,
+ SourceBufferList: 0,
+ StyleSheetList: 0,
+ TextTrackCueList: 0,
+ TextTrackList: 0,
+ TouchList: 0
+};
+
+/***/ }),
+/* 122 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var IS_PURE = __w_pdfjs_require__(37);
+var global = __w_pdfjs_require__(11);
+var getBuiltIn = __w_pdfjs_require__(42);
+var NativePromise = __w_pdfjs_require__(123);
+var redefine = __w_pdfjs_require__(29);
+var redefineAll = __w_pdfjs_require__(124);
+var setToStringTag = __w_pdfjs_require__(85);
+var setSpecies = __w_pdfjs_require__(125);
+var isObject = __w_pdfjs_require__(22);
+var aFunction = __w_pdfjs_require__(63);
+var anInstance = __w_pdfjs_require__(126);
+var classof = __w_pdfjs_require__(19);
+var inspectSource = __w_pdfjs_require__(31);
+var iterate = __w_pdfjs_require__(104);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var speciesConstructor = __w_pdfjs_require__(116);
+var task = __w_pdfjs_require__(127).set;
+var microtask = __w_pdfjs_require__(130);
+var promiseResolve = __w_pdfjs_require__(131);
+var hostReportErrors = __w_pdfjs_require__(133);
+var newPromiseCapabilityModule = __w_pdfjs_require__(132);
+var perform = __w_pdfjs_require__(134);
+var InternalStateModule = __w_pdfjs_require__(33);
+var isForced = __w_pdfjs_require__(52);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var SPECIES = wellKnownSymbol('species');
+var PROMISE = 'Promise';
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var getInternalPromiseState = InternalStateModule.getterFor(PROMISE);
+var PromiseConstructor = NativePromise;
+var TypeError = global.TypeError;
+var document = global.document;
+var process = global.process;
+var $fetch = getBuiltIn('fetch');
+var newPromiseCapability = newPromiseCapabilityModule.f;
+var newGenericPromiseCapability = newPromiseCapability;
+var IS_NODE = classof(process) == 'process';
+var DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);
+var UNHANDLED_REJECTION = 'unhandledrejection';
+var REJECTION_HANDLED = 'rejectionhandled';
+var PENDING = 0;
+var FULFILLED = 1;
+var REJECTED = 2;
+var HANDLED = 1;
+var UNHANDLED = 2;
+var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;
+var FORCED = isForced(PROMISE, function () {
+ var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
+ if (!GLOBAL_CORE_JS_PROMISE) {
+  if (V8_VERSION === 66)
+   return true;
+  if (!IS_NODE && typeof PromiseRejectionEvent != 'function')
+   return true;
+ }
+ if (IS_PURE && !PromiseConstructor.prototype['finally'])
+  return true;
+ if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor))
+  return false;
+ var promise = PromiseConstructor.resolve(1);
+ var FakePromise = function (exec) {
+  exec(function () {
+  }, function () {
+  });
+ };
+ var constructor = promise.constructor = {};
+ constructor[SPECIES] = FakePromise;
+ return !(promise.then(function () {
+ }) instanceof FakePromise);
+});
+var INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {
+ PromiseConstructor.all(iterable)['catch'](function () {
+ });
+});
+var isThenable = function (it) {
+ var then;
+ return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
+};
+var notify = function (promise, state, isReject) {
+ if (state.notified)
+  return;
+ state.notified = true;
+ var chain = state.reactions;
+ microtask(function () {
+  var value = state.value;
+  var ok = state.state == FULFILLED;
+  var index = 0;
+  while (chain.length > index) {
+   var reaction = chain[index++];
+   var handler = ok ? reaction.ok : reaction.fail;
+   var resolve = reaction.resolve;
+   var reject = reaction.reject;
+   var domain = reaction.domain;
+   var result, then, exited;
+   try {
+    if (handler) {
+     if (!ok) {
+      if (state.rejection === UNHANDLED)
+       onHandleUnhandled(promise, state);
+      state.rejection = HANDLED;
+     }
+     if (handler === true)
+      result = value;
+     else {
+      if (domain)
+       domain.enter();
+      result = handler(value);
+      if (domain) {
+       domain.exit();
+       exited = true;
+      }
+     }
+     if (result === reaction.promise) {
+      reject(TypeError('Promise-chain cycle'));
+     } else if (then = isThenable(result)) {
+      then.call(result, resolve, reject);
+     } else
+      resolve(result);
+    } else
+     reject(value);
+   } catch (error) {
+    if (domain && !exited)
+     domain.exit();
+    reject(error);
+   }
+  }
+  state.reactions = [];
+  state.notified = false;
+  if (isReject && !state.rejection)
+   onUnhandled(promise, state);
+ });
+};
+var dispatchEvent = function (name, promise, reason) {
+ var event, handler;
+ if (DISPATCH_EVENT) {
+  event = document.createEvent('Event');
+  event.promise = promise;
+  event.reason = reason;
+  event.initEvent(name, false, true);
+  global.dispatchEvent(event);
+ } else
+  event = {
+   promise: promise,
+   reason: reason
+  };
+ if (handler = global['on' + name])
+  handler(event);
+ else if (name === UNHANDLED_REJECTION)
+  hostReportErrors('Unhandled promise rejection', reason);
+};
+var onUnhandled = function (promise, state) {
+ task.call(global, function () {
+  var value = state.value;
+  var IS_UNHANDLED = isUnhandled(state);
+  var result;
+  if (IS_UNHANDLED) {
+   result = perform(function () {
+    if (IS_NODE) {
+     process.emit('unhandledRejection', value, promise);
+    } else
+     dispatchEvent(UNHANDLED_REJECTION, promise, value);
+   });
+   state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;
+   if (result.error)
+    throw result.value;
+  }
+ });
+};
+var isUnhandled = function (state) {
+ return state.rejection !== HANDLED && !state.parent;
+};
+var onHandleUnhandled = function (promise, state) {
+ task.call(global, function () {
+  if (IS_NODE) {
+   process.emit('rejectionHandled', promise);
+  } else
+   dispatchEvent(REJECTION_HANDLED, promise, state.value);
+ });
+};
+var bind = function (fn, promise, state, unwrap) {
+ return function (value) {
+  fn(promise, state, value, unwrap);
+ };
+};
+var internalReject = function (promise, state, value, unwrap) {
+ if (state.done)
+  return;
+ state.done = true;
+ if (unwrap)
+  state = unwrap;
+ state.value = value;
+ state.state = REJECTED;
+ notify(promise, state, true);
+};
+var internalResolve = function (promise, state, value, unwrap) {
+ if (state.done)
+  return;
+ state.done = true;
+ if (unwrap)
+  state = unwrap;
+ try {
+  if (promise === value)
+   throw TypeError("Promise can't be resolved itself");
+  var then = isThenable(value);
+  if (then) {
+   microtask(function () {
+    var wrapper = { done: false };
+    try {
+     then.call(value, bind(internalResolve, promise, wrapper, state), bind(internalReject, promise, wrapper, state));
+    } catch (error) {
+     internalReject(promise, wrapper, error, state);
+    }
+   });
+  } else {
+   state.value = value;
+   state.state = FULFILLED;
+   notify(promise, state, false);
+  }
+ } catch (error) {
+  internalReject(promise, { done: false }, error, state);
+ }
+};
+if (FORCED) {
+ PromiseConstructor = function Promise(executor) {
+  anInstance(this, PromiseConstructor, PROMISE);
+  aFunction(executor);
+  Internal.call(this);
+  var state = getInternalState(this);
+  try {
+   executor(bind(internalResolve, this, state), bind(internalReject, this, state));
+  } catch (error) {
+   internalReject(this, state, error);
+  }
+ };
+ Internal = function Promise(executor) {
+  setInternalState(this, {
+   type: PROMISE,
+   done: false,
+   notified: false,
+   parent: false,
+   reactions: [],
+   rejection: false,
+   state: PENDING,
+   value: undefined
+  });
+ };
+ Internal.prototype = redefineAll(PromiseConstructor.prototype, {
+  then: function then(onFulfilled, onRejected) {
+   var state = getInternalPromiseState(this);
+   var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));
+   reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
+   reaction.fail = typeof onRejected == 'function' && onRejected;
+   reaction.domain = IS_NODE ? process.domain : undefined;
+   state.parent = true;
+   state.reactions.push(reaction);
+   if (state.state != PENDING)
+    notify(this, state, false);
+   return reaction.promise;
+  },
+  'catch': function (onRejected) {
+   return this.then(undefined, onRejected);
+  }
+ });
+ OwnPromiseCapability = function () {
+  var promise = new Internal();
+  var state = getInternalState(promise);
+  this.promise = promise;
+  this.resolve = bind(internalResolve, promise, state);
+  this.reject = bind(internalReject, promise, state);
+ };
+ newPromiseCapabilityModule.f = newPromiseCapability = function (C) {
+  return C === PromiseConstructor || C === PromiseWrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
+ };
+ if (!IS_PURE && typeof NativePromise == 'function') {
+  nativeThen = NativePromise.prototype.then;
+  redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {
+   var that = this;
+   return new PromiseConstructor(function (resolve, reject) {
+    nativeThen.call(that, resolve, reject);
+   }).then(onFulfilled, onRejected);
+  }, { unsafe: true });
+  if (typeof $fetch == 'function')
+   $({
+    global: true,
+    enumerable: true,
+    forced: true
+   }, {
+    fetch: function fetch(input) {
+     return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));
+    }
+   });
+ }
+}
+$({
+ global: true,
+ wrap: true,
+ forced: FORCED
+}, { Promise: PromiseConstructor });
+setToStringTag(PromiseConstructor, PROMISE, false, true);
+setSpecies(PROMISE);
+PromiseWrapper = getBuiltIn(PROMISE);
+$({
+ target: PROMISE,
+ stat: true,
+ forced: FORCED
+}, {
+ reject: function reject(r) {
+  var capability = newPromiseCapability(this);
+  capability.reject.call(undefined, r);
+  return capability.promise;
+ }
+});
+$({
+ target: PROMISE,
+ stat: true,
+ forced: IS_PURE || FORCED
+}, {
+ resolve: function resolve(x) {
+  return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);
+ }
+});
+$({
+ target: PROMISE,
+ stat: true,
+ forced: INCORRECT_ITERATION
+}, {
+ all: function all(iterable) {
+  var C = this;
+  var capability = newPromiseCapability(C);
+  var resolve = capability.resolve;
+  var reject = capability.reject;
+  var result = perform(function () {
+   var $promiseResolve = aFunction(C.resolve);
+   var values = [];
+   var counter = 0;
+   var remaining = 1;
+   iterate(iterable, function (promise) {
+    var index = counter++;
+    var alreadyCalled = false;
+    values.push(undefined);
+    remaining++;
+    $promiseResolve.call(C, promise).then(function (value) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = value;
+     --remaining || resolve(values);
+    }, reject);
+   });
+   --remaining || resolve(values);
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ },
+ race: function race(iterable) {
+  var C = this;
+  var capability = newPromiseCapability(C);
+  var reject = capability.reject;
+  var result = perform(function () {
+   var $promiseResolve = aFunction(C.resolve);
+   iterate(iterable, function (promise) {
+    $promiseResolve.call(C, promise).then(capability.resolve, reject);
+   });
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ }
+});
+
+/***/ }),
+/* 123 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = global.Promise;
+
+/***/ }),
+/* 124 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var redefine = __w_pdfjs_require__(29);
+module.exports = function (target, src, options) {
+ for (var key in src)
+  redefine(target, key, src[key], options);
+ return target;
+};
+
+/***/ }),
+/* 125 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getBuiltIn = __w_pdfjs_require__(42);
+var definePropertyModule = __w_pdfjs_require__(27);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (CONSTRUCTOR_NAME) {
+ var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
+ var defineProperty = definePropertyModule.f;
+ if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
+  defineProperty(Constructor, SPECIES, {
+   configurable: true,
+   get: function () {
+    return this;
+   }
+  });
+ }
+};
+
+/***/ }),
+/* 126 */
+/***/ (function(module, exports) {
+
+module.exports = function (it, Constructor, name) {
+ if (!(it instanceof Constructor)) {
+  throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
+ }
+ return it;
+};
+
+/***/ }),
+/* 127 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var fails = __w_pdfjs_require__(14);
+var classof = __w_pdfjs_require__(19);
+var bind = __w_pdfjs_require__(62);
+var html = __w_pdfjs_require__(74);
+var createElement = __w_pdfjs_require__(25);
+var IS_IOS = __w_pdfjs_require__(128);
+var location = global.location;
+var set = global.setImmediate;
+var clear = global.clearImmediate;
+var process = global.process;
+var MessageChannel = global.MessageChannel;
+var Dispatch = global.Dispatch;
+var counter = 0;
+var queue = {};
+var ONREADYSTATECHANGE = 'onreadystatechange';
+var defer, channel, port;
+var run = function (id) {
+ if (queue.hasOwnProperty(id)) {
+  var fn = queue[id];
+  delete queue[id];
+  fn();
+ }
+};
+var runner = function (id) {
+ return function () {
+  run(id);
+ };
+};
+var listener = function (event) {
+ run(event.data);
+};
+var post = function (id) {
+ global.postMessage(id + '', location.protocol + '//' + location.host);
+};
+if (!set || !clear) {
+ set = function setImmediate(fn) {
+  var args = [];
+  var i = 1;
+  while (arguments.length > i)
+   args.push(arguments[i++]);
+  queue[++counter] = function () {
+   (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
+  };
+  defer(counter);
+  return counter;
+ };
+ clear = function clearImmediate(id) {
+  delete queue[id];
+ };
+ if (classof(process) == 'process') {
+  defer = function (id) {
+   process.nextTick(runner(id));
+  };
+ } else if (Dispatch && Dispatch.now) {
+  defer = function (id) {
+   Dispatch.now(runner(id));
+  };
+ } else if (MessageChannel && !IS_IOS) {
+  channel = new MessageChannel();
+  port = channel.port2;
+  channel.port1.onmessage = listener;
+  defer = bind(port.postMessage, port, 1);
+ } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts && !fails(post) && location.protocol !== 'file:') {
+  defer = post;
+  global.addEventListener('message', listener, false);
+ } else if (ONREADYSTATECHANGE in createElement('script')) {
+  defer = function (id) {
+   html.appendChild(createElement('script'))[ONREADYSTATECHANGE] = function () {
+    html.removeChild(this);
+    run(id);
+   };
+  };
+ } else {
+  defer = function (id) {
+   setTimeout(runner(id), 0);
+  };
+ }
+}
+module.exports = {
+ set: set,
+ clear: clear
+};
+
+/***/ }),
+/* 128 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var userAgent = __w_pdfjs_require__(129);
+module.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);
+
+/***/ }),
+/* 129 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(42);
+module.exports = getBuiltIn('navigator', 'userAgent') || '';
+
+/***/ }),
+/* 130 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(12).f;
+var classof = __w_pdfjs_require__(19);
+var macrotask = __w_pdfjs_require__(127).set;
+var IS_IOS = __w_pdfjs_require__(128);
+var MutationObserver = global.MutationObserver || global.WebKitMutationObserver;
+var process = global.process;
+var Promise = global.Promise;
+var IS_NODE = classof(process) == 'process';
+var queueMicrotaskDescriptor = getOwnPropertyDescriptor(global, 'queueMicrotask');
+var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;
+var flush, head, last, notify, toggle, node, promise, then;
+if (!queueMicrotask) {
+ flush = function () {
+  var parent, fn;
+  if (IS_NODE && (parent = process.domain))
+   parent.exit();
+  while (head) {
+   fn = head.fn;
+   head = head.next;
+   try {
+    fn();
+   } catch (error) {
+    if (head)
+     notify();
+    else
+     last = undefined;
+    throw error;
+   }
+  }
+  last = undefined;
+  if (parent)
+   parent.enter();
+ };
+ if (IS_NODE) {
+  notify = function () {
+   process.nextTick(flush);
+  };
+ } else if (MutationObserver && !IS_IOS) {
+  toggle = true;
+  node = document.createTextNode('');
+  new MutationObserver(flush).observe(node, { characterData: true });
+  notify = function () {
+   node.data = toggle = !toggle;
+  };
+ } else if (Promise && Promise.resolve) {
+  promise = Promise.resolve(undefined);
+  then = promise.then;
+  notify = function () {
+   then.call(promise, flush);
+  };
+ } else {
+  notify = function () {
+   macrotask.call(global, flush);
+  };
+ }
+}
+module.exports = queueMicrotask || function (fn) {
+ var task = {
+  fn: fn,
+  next: undefined
+ };
+ if (last)
+  last.next = task;
+ if (!head) {
+  head = task;
+  notify();
+ }
+ last = task;
+};
+
+/***/ }),
+/* 131 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var newPromiseCapability = __w_pdfjs_require__(132);
+module.exports = function (C, x) {
+ anObject(C);
+ if (isObject(x) && x.constructor === C)
+  return x;
+ var promiseCapability = newPromiseCapability.f(C);
+ var resolve = promiseCapability.resolve;
+ resolve(x);
+ return promiseCapability.promise;
+};
+
+/***/ }),
+/* 132 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var aFunction = __w_pdfjs_require__(63);
+var PromiseCapability = function (C) {
+ var resolve, reject;
+ this.promise = new C(function ($$resolve, $$reject) {
+  if (resolve !== undefined || reject !== undefined)
+   throw TypeError('Bad Promise constructor');
+  resolve = $$resolve;
+  reject = $$reject;
+ });
+ this.resolve = aFunction(resolve);
+ this.reject = aFunction(reject);
+};
+module.exports.f = function (C) {
+ return new PromiseCapability(C);
+};
+
+/***/ }),
+/* 133 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+module.exports = function (a, b) {
+ var console = global.console;
+ if (console && console.error) {
+  arguments.length === 1 ? console.error(a) : console.error(a, b);
+ }
+};
+
+/***/ }),
+/* 134 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+ try {
+  return {
+   error: false,
+   value: exec()
+  };
+ } catch (error) {
+  return {
+   error: true,
+   value: error
+  };
+ }
+};
+
+/***/ }),
+/* 135 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var userAgent = __w_pdfjs_require__(129);
+var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8;
+var match, version;
+if (v8) {
+ match = v8.split('.');
+ version = match[0] + match[1];
+} else if (userAgent) {
+ match = userAgent.match(/Edge\/(\d+)/);
+ if (!match || match[1] >= 74) {
+  match = userAgent.match(/Chrome\/(\d+)/);
+  if (match)
+   version = match[1];
+ }
+}
+module.exports = version && +version;
+
+/***/ }),
+/* 136 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var aFunction = __w_pdfjs_require__(63);
+var newPromiseCapabilityModule = __w_pdfjs_require__(132);
+var perform = __w_pdfjs_require__(134);
+var iterate = __w_pdfjs_require__(104);
+$({
+ target: 'Promise',
+ stat: true
+}, {
+ allSettled: function allSettled(iterable) {
+  var C = this;
+  var capability = newPromiseCapabilityModule.f(C);
+  var resolve = capability.resolve;
+  var reject = capability.reject;
+  var result = perform(function () {
+   var promiseResolve = aFunction(C.resolve);
+   var values = [];
+   var counter = 0;
+   var remaining = 1;
+   iterate(iterable, function (promise) {
+    var index = counter++;
+    var alreadyCalled = false;
+    values.push(undefined);
+    remaining++;
+    promiseResolve.call(C, promise).then(function (value) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = {
+      status: 'fulfilled',
+      value: value
+     };
+     --remaining || resolve(values);
+    }, function (e) {
+     if (alreadyCalled)
+      return;
+     alreadyCalled = true;
+     values[index] = {
+      status: 'rejected',
+      reason: e
+     };
+     --remaining || resolve(values);
+    });
+   });
+   --remaining || resolve(values);
+  });
+  if (result.error)
+   reject(result.value);
+  return capability.promise;
+ }
+});
+
+/***/ }),
+/* 137 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var IS_PURE = __w_pdfjs_require__(37);
+var NativePromise = __w_pdfjs_require__(123);
+var fails = __w_pdfjs_require__(14);
+var getBuiltIn = __w_pdfjs_require__(42);
+var speciesConstructor = __w_pdfjs_require__(116);
+var promiseResolve = __w_pdfjs_require__(131);
+var redefine = __w_pdfjs_require__(29);
+var NON_GENERIC = !!NativePromise && fails(function () {
+ NativePromise.prototype['finally'].call({
+  then: function () {
+  }
+ }, function () {
+ });
+});
+$({
+ target: 'Promise',
+ proto: true,
+ real: true,
+ forced: NON_GENERIC
+}, {
+ 'finally': function (onFinally) {
+  var C = speciesConstructor(this, getBuiltIn('Promise'));
+  var isFunction = typeof onFinally == 'function';
+  return this.then(isFunction ? function (x) {
+   return promiseResolve(C, onFinally()).then(function () {
+    return x;
+   });
+  } : onFinally, isFunction ? function (e) {
+   return promiseResolve(C, onFinally()).then(function () {
+    throw e;
+   });
+  } : onFinally);
+ }
+});
+if (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {
+ redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);
+}
+
+/***/ }),
+/* 138 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(139);
+__w_pdfjs_require__(144);
+__w_pdfjs_require__(142);
+var path = __w_pdfjs_require__(43);
+module.exports = path.URL;
+
+/***/ }),
+/* 139 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+__w_pdfjs_require__(77);
+var $ = __w_pdfjs_require__(10);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var USE_NATIVE_URL = __w_pdfjs_require__(140);
+var global = __w_pdfjs_require__(11);
+var defineProperties = __w_pdfjs_require__(72);
+var redefine = __w_pdfjs_require__(29);
+var anInstance = __w_pdfjs_require__(126);
+var has = __w_pdfjs_require__(23);
+var assign = __w_pdfjs_require__(100);
+var arrayFrom = __w_pdfjs_require__(90);
+var codeAt = __w_pdfjs_require__(78).codeAt;
+var toASCII = __w_pdfjs_require__(141);
+var setToStringTag = __w_pdfjs_require__(85);
+var URLSearchParamsModule = __w_pdfjs_require__(142);
+var InternalStateModule = __w_pdfjs_require__(33);
+var NativeURL = global.URL;
+var URLSearchParams = URLSearchParamsModule.URLSearchParams;
+var getInternalSearchParamsState = URLSearchParamsModule.getState;
+var setInternalState = InternalStateModule.set;
+var getInternalURLState = InternalStateModule.getterFor('URL');
+var floor = Math.floor;
+var pow = Math.pow;
+var INVALID_AUTHORITY = 'Invalid authority';
+var INVALID_SCHEME = 'Invalid scheme';
+var INVALID_HOST = 'Invalid host';
+var INVALID_PORT = 'Invalid port';
+var ALPHA = /[A-Za-z]/;
+var ALPHANUMERIC = /[\d+-.A-Za-z]/;
+var DIGIT = /\d/;
+var HEX_START = /^(0x|0X)/;
+var OCT = /^[0-7]+$/;
+var DEC = /^\d+$/;
+var HEX = /^[\dA-Fa-f]+$/;
+var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
+var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
+var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
+var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
+var EOF;
+var parseHost = function (url, input) {
+ var result, codePoints, index;
+ if (input.charAt(0) == '[') {
+  if (input.charAt(input.length - 1) != ']')
+   return INVALID_HOST;
+  result = parseIPv6(input.slice(1, -1));
+  if (!result)
+   return INVALID_HOST;
+  url.host = result;
+ } else if (!isSpecial(url)) {
+  if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input))
+   return INVALID_HOST;
+  result = '';
+  codePoints = arrayFrom(input);
+  for (index = 0; index < codePoints.length; index++) {
+   result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
+  }
+  url.host = result;
+ } else {
+  input = toASCII(input);
+  if (FORBIDDEN_HOST_CODE_POINT.test(input))
+   return INVALID_HOST;
+  result = parseIPv4(input);
+  if (result === null)
+   return INVALID_HOST;
+  url.host = result;
+ }
+};
+var parseIPv4 = function (input) {
+ var parts = input.split('.');
+ var partsLength, numbers, index, part, radix, number, ipv4;
+ if (parts.length && parts[parts.length - 1] == '') {
+  parts.pop();
+ }
+ partsLength = parts.length;
+ if (partsLength > 4)
+  return input;
+ numbers = [];
+ for (index = 0; index < partsLength; index++) {
+  part = parts[index];
+  if (part == '')
+   return input;
+  radix = 10;
+  if (part.length > 1 && part.charAt(0) == '0') {
+   radix = HEX_START.test(part) ? 16 : 8;
+   part = part.slice(radix == 8 ? 1 : 2);
+  }
+  if (part === '') {
+   number = 0;
+  } else {
+   if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part))
+    return input;
+   number = parseInt(part, radix);
+  }
+  numbers.push(number);
+ }
+ for (index = 0; index < partsLength; index++) {
+  number = numbers[index];
+  if (index == partsLength - 1) {
+   if (number >= pow(256, 5 - partsLength))
+    return null;
+  } else if (number > 255)
+   return null;
+ }
+ ipv4 = numbers.pop();
+ for (index = 0; index < numbers.length; index++) {
+  ipv4 += numbers[index] * pow(256, 3 - index);
+ }
+ return ipv4;
+};
+var parseIPv6 = function (input) {
+ var address = [
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0
+ ];
+ var pieceIndex = 0;
+ var compress = null;
+ var pointer = 0;
+ var value, length, numbersSeen, ipv4Piece, number, swaps, swap;
+ var char = function () {
+  return input.charAt(pointer);
+ };
+ if (char() == ':') {
+  if (input.charAt(1) != ':')
+   return;
+  pointer += 2;
+  pieceIndex++;
+  compress = pieceIndex;
+ }
+ while (char()) {
+  if (pieceIndex == 8)
+   return;
+  if (char() == ':') {
+   if (compress !== null)
+    return;
+   pointer++;
+   pieceIndex++;
+   compress = pieceIndex;
+   continue;
+  }
+  value = length = 0;
+  while (length < 4 && HEX.test(char())) {
+   value = value * 16 + parseInt(char(), 16);
+   pointer++;
+   length++;
+  }
+  if (char() == '.') {
+   if (length == 0)
+    return;
+   pointer -= length;
+   if (pieceIndex > 6)
+    return;
+   numbersSeen = 0;
+   while (char()) {
+    ipv4Piece = null;
+    if (numbersSeen > 0) {
+     if (char() == '.' && numbersSeen < 4)
+      pointer++;
+     else
+      return;
+    }
+    if (!DIGIT.test(char()))
+     return;
+    while (DIGIT.test(char())) {
+     number = parseInt(char(), 10);
+     if (ipv4Piece === null)
+      ipv4Piece = number;
+     else if (ipv4Piece == 0)
+      return;
+     else
+      ipv4Piece = ipv4Piece * 10 + number;
+     if (ipv4Piece > 255)
+      return;
+     pointer++;
+    }
+    address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
+    numbersSeen++;
+    if (numbersSeen == 2 || numbersSeen == 4)
+     pieceIndex++;
+   }
+   if (numbersSeen != 4)
+    return;
+   break;
+  } else if (char() == ':') {
+   pointer++;
+   if (!char())
+    return;
+  } else if (char())
+   return;
+  address[pieceIndex++] = value;
+ }
+ if (compress !== null) {
+  swaps = pieceIndex - compress;
+  pieceIndex = 7;
+  while (pieceIndex != 0 && swaps > 0) {
+   swap = address[pieceIndex];
+   address[pieceIndex--] = address[compress + swaps - 1];
+   address[compress + --swaps] = swap;
+  }
+ } else if (pieceIndex != 8)
+  return;
+ return address;
+};
+var findLongestZeroSequence = function (ipv6) {
+ var maxIndex = null;
+ var maxLength = 1;
+ var currStart = null;
+ var currLength = 0;
+ var index = 0;
+ for (; index < 8; index++) {
+  if (ipv6[index] !== 0) {
+   if (currLength > maxLength) {
+    maxIndex = currStart;
+    maxLength = currLength;
+   }
+   currStart = null;
+   currLength = 0;
+  } else {
+   if (currStart === null)
+    currStart = index;
+   ++currLength;
+  }
+ }
+ if (currLength > maxLength) {
+  maxIndex = currStart;
+  maxLength = currLength;
+ }
+ return maxIndex;
+};
+var serializeHost = function (host) {
+ var result, index, compress, ignore0;
+ if (typeof host == 'number') {
+  result = [];
+  for (index = 0; index < 4; index++) {
+   result.unshift(host % 256);
+   host = floor(host / 256);
+  }
+  return result.join('.');
+ } else if (typeof host == 'object') {
+  result = '';
+  compress = findLongestZeroSequence(host);
+  for (index = 0; index < 8; index++) {
+   if (ignore0 && host[index] === 0)
+    continue;
+   if (ignore0)
+    ignore0 = false;
+   if (compress === index) {
+    result += index ? ':' : '::';
+    ignore0 = true;
+   } else {
+    result += host[index].toString(16);
+    if (index < 7)
+     result += ':';
+   }
+  }
+  return '[' + result + ']';
+ }
+ return host;
+};
+var C0ControlPercentEncodeSet = {};
+var fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {
+ ' ': 1,
+ '"': 1,
+ '<': 1,
+ '>': 1,
+ '`': 1
+});
+var pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {
+ '#': 1,
+ '?': 1,
+ '{': 1,
+ '}': 1
+});
+var userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {
+ '/': 1,
+ ':': 1,
+ ';': 1,
+ '=': 1,
+ '@': 1,
+ '[': 1,
+ '\\': 1,
+ ']': 1,
+ '^': 1,
+ '|': 1
+});
+var percentEncode = function (char, set) {
+ var code = codeAt(char, 0);
+ return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
+};
+var specialSchemes = {
+ ftp: 21,
+ file: null,
+ http: 80,
+ https: 443,
+ ws: 80,
+ wss: 443
+};
+var isSpecial = function (url) {
+ return has(specialSchemes, url.scheme);
+};
+var includesCredentials = function (url) {
+ return url.username != '' || url.password != '';
+};
+var cannotHaveUsernamePasswordPort = function (url) {
+ return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
+};
+var isWindowsDriveLetter = function (string, normalized) {
+ var second;
+ return string.length == 2 && ALPHA.test(string.charAt(0)) && ((second = string.charAt(1)) == ':' || !normalized && second == '|');
+};
+var startsWithWindowsDriveLetter = function (string) {
+ var third;
+ return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (string.length == 2 || ((third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#'));
+};
+var shortenURLsPath = function (url) {
+ var path = url.path;
+ var pathSize = path.length;
+ if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
+  path.pop();
+ }
+};
+var isSingleDot = function (segment) {
+ return segment === '.' || segment.toLowerCase() === '%2e';
+};
+var isDoubleDot = function (segment) {
+ segment = segment.toLowerCase();
+ return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
+};
+var SCHEME_START = {};
+var SCHEME = {};
+var NO_SCHEME = {};
+var SPECIAL_RELATIVE_OR_AUTHORITY = {};
+var PATH_OR_AUTHORITY = {};
+var RELATIVE = {};
+var RELATIVE_SLASH = {};
+var SPECIAL_AUTHORITY_SLASHES = {};
+var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
+var AUTHORITY = {};
+var HOST = {};
+var HOSTNAME = {};
+var PORT = {};
+var FILE = {};
+var FILE_SLASH = {};
+var FILE_HOST = {};
+var PATH_START = {};
+var PATH = {};
+var CANNOT_BE_A_BASE_URL_PATH = {};
+var QUERY = {};
+var FRAGMENT = {};
+var parseURL = function (url, input, stateOverride, base) {
+ var state = stateOverride || SCHEME_START;
+ var pointer = 0;
+ var buffer = '';
+ var seenAt = false;
+ var seenBracket = false;
+ var seenPasswordToken = false;
+ var codePoints, char, bufferCodePoints, failure;
+ if (!stateOverride) {
+  url.scheme = '';
+  url.username = '';
+  url.password = '';
+  url.host = null;
+  url.port = null;
+  url.path = [];
+  url.query = null;
+  url.fragment = null;
+  url.cannotBeABaseURL = false;
+  input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
+ }
+ input = input.replace(TAB_AND_NEW_LINE, '');
+ codePoints = arrayFrom(input);
+ while (pointer <= codePoints.length) {
+  char = codePoints[pointer];
+  switch (state) {
+  case SCHEME_START:
+   if (char && ALPHA.test(char)) {
+    buffer += char.toLowerCase();
+    state = SCHEME;
+   } else if (!stateOverride) {
+    state = NO_SCHEME;
+    continue;
+   } else
+    return INVALID_SCHEME;
+   break;
+  case SCHEME:
+   if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
+    buffer += char.toLowerCase();
+   } else if (char == ':') {
+    if (stateOverride && (isSpecial(url) != has(specialSchemes, buffer) || buffer == 'file' && (includesCredentials(url) || url.port !== null) || url.scheme == 'file' && !url.host))
+     return;
+    url.scheme = buffer;
+    if (stateOverride) {
+     if (isSpecial(url) && specialSchemes[url.scheme] == url.port)
+      url.port = null;
+     return;
+    }
+    buffer = '';
+    if (url.scheme == 'file') {
+     state = FILE;
+    } else if (isSpecial(url) && base && base.scheme == url.scheme) {
+     state = SPECIAL_RELATIVE_OR_AUTHORITY;
+    } else if (isSpecial(url)) {
+     state = SPECIAL_AUTHORITY_SLASHES;
+    } else if (codePoints[pointer + 1] == '/') {
+     state = PATH_OR_AUTHORITY;
+     pointer++;
+    } else {
+     url.cannotBeABaseURL = true;
+     url.path.push('');
+     state = CANNOT_BE_A_BASE_URL_PATH;
+    }
+   } else if (!stateOverride) {
+    buffer = '';
+    state = NO_SCHEME;
+    pointer = 0;
+    continue;
+   } else
+    return INVALID_SCHEME;
+   break;
+  case NO_SCHEME:
+   if (!base || base.cannotBeABaseURL && char != '#')
+    return INVALID_SCHEME;
+   if (base.cannotBeABaseURL && char == '#') {
+    url.scheme = base.scheme;
+    url.path = base.path.slice();
+    url.query = base.query;
+    url.fragment = '';
+    url.cannotBeABaseURL = true;
+    state = FRAGMENT;
+    break;
+   }
+   state = base.scheme == 'file' ? FILE : RELATIVE;
+   continue;
+  case SPECIAL_RELATIVE_OR_AUTHORITY:
+   if (char == '/' && codePoints[pointer + 1] == '/') {
+    state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+    pointer++;
+   } else {
+    state = RELATIVE;
+    continue;
+   }
+   break;
+  case PATH_OR_AUTHORITY:
+   if (char == '/') {
+    state = AUTHORITY;
+    break;
+   } else {
+    state = PATH;
+    continue;
+   }
+  case RELATIVE:
+   url.scheme = base.scheme;
+   if (char == EOF) {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = base.query;
+   } else if (char == '/' || char == '\\' && isSpecial(url)) {
+    state = RELATIVE_SLASH;
+   } else if (char == '?') {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = '';
+    state = QUERY;
+   } else if (char == '#') {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.query = base.query;
+    url.fragment = '';
+    state = FRAGMENT;
+   } else {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    url.path = base.path.slice();
+    url.path.pop();
+    state = PATH;
+    continue;
+   }
+   break;
+  case RELATIVE_SLASH:
+   if (isSpecial(url) && (char == '/' || char == '\\')) {
+    state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+   } else if (char == '/') {
+    state = AUTHORITY;
+   } else {
+    url.username = base.username;
+    url.password = base.password;
+    url.host = base.host;
+    url.port = base.port;
+    state = PATH;
+    continue;
+   }
+   break;
+  case SPECIAL_AUTHORITY_SLASHES:
+   state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+   if (char != '/' || buffer.charAt(pointer + 1) != '/')
+    continue;
+   pointer++;
+   break;
+  case SPECIAL_AUTHORITY_IGNORE_SLASHES:
+   if (char != '/' && char != '\\') {
+    state = AUTHORITY;
+    continue;
+   }
+   break;
+  case AUTHORITY:
+   if (char == '@') {
+    if (seenAt)
+     buffer = '%40' + buffer;
+    seenAt = true;
+    bufferCodePoints = arrayFrom(buffer);
+    for (var i = 0; i < bufferCodePoints.length; i++) {
+     var codePoint = bufferCodePoints[i];
+     if (codePoint == ':' && !seenPasswordToken) {
+      seenPasswordToken = true;
+      continue;
+     }
+     var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
+     if (seenPasswordToken)
+      url.password += encodedCodePoints;
+     else
+      url.username += encodedCodePoints;
+    }
+    buffer = '';
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+    if (seenAt && buffer == '')
+     return INVALID_AUTHORITY;
+    pointer -= arrayFrom(buffer).length + 1;
+    buffer = '';
+    state = HOST;
+   } else
+    buffer += char;
+   break;
+  case HOST:
+  case HOSTNAME:
+   if (stateOverride && url.scheme == 'file') {
+    state = FILE_HOST;
+    continue;
+   } else if (char == ':' && !seenBracket) {
+    if (buffer == '')
+     return INVALID_HOST;
+    failure = parseHost(url, buffer);
+    if (failure)
+     return failure;
+    buffer = '';
+    state = PORT;
+    if (stateOverride == HOSTNAME)
+     return;
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+    if (isSpecial(url) && buffer == '')
+     return INVALID_HOST;
+    if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null))
+     return;
+    failure = parseHost(url, buffer);
+    if (failure)
+     return failure;
+    buffer = '';
+    state = PATH_START;
+    if (stateOverride)
+     return;
+    continue;
+   } else {
+    if (char == '[')
+     seenBracket = true;
+    else if (char == ']')
+     seenBracket = false;
+    buffer += char;
+   }
+   break;
+  case PORT:
+   if (DIGIT.test(char)) {
+    buffer += char;
+   } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url) || stateOverride) {
+    if (buffer != '') {
+     var port = parseInt(buffer, 10);
+     if (port > 0xFFFF)
+      return INVALID_PORT;
+     url.port = isSpecial(url) && port === specialSchemes[url.scheme] ? null : port;
+     buffer = '';
+    }
+    if (stateOverride)
+     return;
+    state = PATH_START;
+    continue;
+   } else
+    return INVALID_PORT;
+   break;
+  case FILE:
+   url.scheme = 'file';
+   if (char == '/' || char == '\\')
+    state = FILE_SLASH;
+   else if (base && base.scheme == 'file') {
+    if (char == EOF) {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = base.query;
+    } else if (char == '?') {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = '';
+     state = QUERY;
+    } else if (char == '#') {
+     url.host = base.host;
+     url.path = base.path.slice();
+     url.query = base.query;
+     url.fragment = '';
+     state = FRAGMENT;
+    } else {
+     if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+      url.host = base.host;
+      url.path = base.path.slice();
+      shortenURLsPath(url);
+     }
+     state = PATH;
+     continue;
+    }
+   } else {
+    state = PATH;
+    continue;
+   }
+   break;
+  case FILE_SLASH:
+   if (char == '/' || char == '\\') {
+    state = FILE_HOST;
+    break;
+   }
+   if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+    if (isWindowsDriveLetter(base.path[0], true))
+     url.path.push(base.path[0]);
+    else
+     url.host = base.host;
+   }
+   state = PATH;
+   continue;
+  case FILE_HOST:
+   if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
+    if (!stateOverride && isWindowsDriveLetter(buffer)) {
+     state = PATH;
+    } else if (buffer == '') {
+     url.host = '';
+     if (stateOverride)
+      return;
+     state = PATH_START;
+    } else {
+     failure = parseHost(url, buffer);
+     if (failure)
+      return failure;
+     if (url.host == 'localhost')
+      url.host = '';
+     if (stateOverride)
+      return;
+     buffer = '';
+     state = PATH_START;
+    }
+    continue;
+   } else
+    buffer += char;
+   break;
+  case PATH_START:
+   if (isSpecial(url)) {
+    state = PATH;
+    if (char != '/' && char != '\\')
+     continue;
+   } else if (!stateOverride && char == '?') {
+    url.query = '';
+    state = QUERY;
+   } else if (!stateOverride && char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    state = PATH;
+    if (char != '/')
+     continue;
+   }
+   break;
+  case PATH:
+   if (char == EOF || char == '/' || char == '\\' && isSpecial(url) || !stateOverride && (char == '?' || char == '#')) {
+    if (isDoubleDot(buffer)) {
+     shortenURLsPath(url);
+     if (char != '/' && !(char == '\\' && isSpecial(url))) {
+      url.path.push('');
+     }
+    } else if (isSingleDot(buffer)) {
+     if (char != '/' && !(char == '\\' && isSpecial(url))) {
+      url.path.push('');
+     }
+    } else {
+     if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
+      if (url.host)
+       url.host = '';
+      buffer = buffer.charAt(0) + ':';
+     }
+     url.path.push(buffer);
+    }
+    buffer = '';
+    if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
+     while (url.path.length > 1 && url.path[0] === '') {
+      url.path.shift();
+     }
+    }
+    if (char == '?') {
+     url.query = '';
+     state = QUERY;
+    } else if (char == '#') {
+     url.fragment = '';
+     state = FRAGMENT;
+    }
+   } else {
+    buffer += percentEncode(char, pathPercentEncodeSet);
+   }
+   break;
+  case CANNOT_BE_A_BASE_URL_PATH:
+   if (char == '?') {
+    url.query = '';
+    state = QUERY;
+   } else if (char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
+   }
+   break;
+  case QUERY:
+   if (!stateOverride && char == '#') {
+    url.fragment = '';
+    state = FRAGMENT;
+   } else if (char != EOF) {
+    if (char == "'" && isSpecial(url))
+     url.query += '%27';
+    else if (char == '#')
+     url.query += '%23';
+    else
+     url.query += percentEncode(char, C0ControlPercentEncodeSet);
+   }
+   break;
+  case FRAGMENT:
+   if (char != EOF)
+    url.fragment += percentEncode(char, fragmentPercentEncodeSet);
+   break;
+  }
+  pointer++;
+ }
+};
+var URLConstructor = function URL(url) {
+ var that = anInstance(this, URLConstructor, 'URL');
+ var base = arguments.length > 1 ? arguments[1] : undefined;
+ var urlString = String(url);
+ var state = setInternalState(that, { type: 'URL' });
+ var baseState, failure;
+ if (base !== undefined) {
+  if (base instanceof URLConstructor)
+   baseState = getInternalURLState(base);
+  else {
+   failure = parseURL(baseState = {}, String(base));
+   if (failure)
+    throw TypeError(failure);
+  }
+ }
+ failure = parseURL(state, urlString, null, baseState);
+ if (failure)
+  throw TypeError(failure);
+ var searchParams = state.searchParams = new URLSearchParams();
+ var searchParamsState = getInternalSearchParamsState(searchParams);
+ searchParamsState.updateSearchParams(state.query);
+ searchParamsState.updateURL = function () {
+  state.query = String(searchParams) || null;
+ };
+ if (!DESCRIPTORS) {
+  that.href = serializeURL.call(that);
+  that.origin = getOrigin.call(that);
+  that.protocol = getProtocol.call(that);
+  that.username = getUsername.call(that);
+  that.password = getPassword.call(that);
+  that.host = getHost.call(that);
+  that.hostname = getHostname.call(that);
+  that.port = getPort.call(that);
+  that.pathname = getPathname.call(that);
+  that.search = getSearch.call(that);
+  that.searchParams = getSearchParams.call(that);
+  that.hash = getHash.call(that);
+ }
+};
+var URLPrototype = URLConstructor.prototype;
+var serializeURL = function () {
+ var url = getInternalURLState(this);
+ var scheme = url.scheme;
+ var username = url.username;
+ var password = url.password;
+ var host = url.host;
+ var port = url.port;
+ var path = url.path;
+ var query = url.query;
+ var fragment = url.fragment;
+ var output = scheme + ':';
+ if (host !== null) {
+  output += '//';
+  if (includesCredentials(url)) {
+   output += username + (password ? ':' + password : '') + '@';
+  }
+  output += serializeHost(host);
+  if (port !== null)
+   output += ':' + port;
+ } else if (scheme == 'file')
+  output += '//';
+ output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+ if (query !== null)
+  output += '?' + query;
+ if (fragment !== null)
+  output += '#' + fragment;
+ return output;
+};
+var getOrigin = function () {
+ var url = getInternalURLState(this);
+ var scheme = url.scheme;
+ var port = url.port;
+ if (scheme == 'blob')
+  try {
+   return new URL(scheme.path[0]).origin;
+  } catch (error) {
+   return 'null';
+  }
+ if (scheme == 'file' || !isSpecial(url))
+  return 'null';
+ return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
+};
+var getProtocol = function () {
+ return getInternalURLState(this).scheme + ':';
+};
+var getUsername = function () {
+ return getInternalURLState(this).username;
+};
+var getPassword = function () {
+ return getInternalURLState(this).password;
+};
+var getHost = function () {
+ var url = getInternalURLState(this);
+ var host = url.host;
+ var port = url.port;
+ return host === null ? '' : port === null ? serializeHost(host) : serializeHost(host) + ':' + port;
+};
+var getHostname = function () {
+ var host = getInternalURLState(this).host;
+ return host === null ? '' : serializeHost(host);
+};
+var getPort = function () {
+ var port = getInternalURLState(this).port;
+ return port === null ? '' : String(port);
+};
+var getPathname = function () {
+ var url = getInternalURLState(this);
+ var path = url.path;
+ return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+};
+var getSearch = function () {
+ var query = getInternalURLState(this).query;
+ return query ? '?' + query : '';
+};
+var getSearchParams = function () {
+ return getInternalURLState(this).searchParams;
+};
+var getHash = function () {
+ var fragment = getInternalURLState(this).fragment;
+ return fragment ? '#' + fragment : '';
+};
+var accessorDescriptor = function (getter, setter) {
+ return {
+  get: getter,
+  set: setter,
+  configurable: true,
+  enumerable: true
+ };
+};
+if (DESCRIPTORS) {
+ defineProperties(URLPrototype, {
+  href: accessorDescriptor(serializeURL, function (href) {
+   var url = getInternalURLState(this);
+   var urlString = String(href);
+   var failure = parseURL(url, urlString);
+   if (failure)
+    throw TypeError(failure);
+   getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+  }),
+  origin: accessorDescriptor(getOrigin),
+  protocol: accessorDescriptor(getProtocol, function (protocol) {
+   var url = getInternalURLState(this);
+   parseURL(url, String(protocol) + ':', SCHEME_START);
+  }),
+  username: accessorDescriptor(getUsername, function (username) {
+   var url = getInternalURLState(this);
+   var codePoints = arrayFrom(String(username));
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   url.username = '';
+   for (var i = 0; i < codePoints.length; i++) {
+    url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+   }
+  }),
+  password: accessorDescriptor(getPassword, function (password) {
+   var url = getInternalURLState(this);
+   var codePoints = arrayFrom(String(password));
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   url.password = '';
+   for (var i = 0; i < codePoints.length; i++) {
+    url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+   }
+  }),
+  host: accessorDescriptor(getHost, function (host) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   parseURL(url, String(host), HOST);
+  }),
+  hostname: accessorDescriptor(getHostname, function (hostname) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   parseURL(url, String(hostname), HOSTNAME);
+  }),
+  port: accessorDescriptor(getPort, function (port) {
+   var url = getInternalURLState(this);
+   if (cannotHaveUsernamePasswordPort(url))
+    return;
+   port = String(port);
+   if (port == '')
+    url.port = null;
+   else
+    parseURL(url, port, PORT);
+  }),
+  pathname: accessorDescriptor(getPathname, function (pathname) {
+   var url = getInternalURLState(this);
+   if (url.cannotBeABaseURL)
+    return;
+   url.path = [];
+   parseURL(url, pathname + '', PATH_START);
+  }),
+  search: accessorDescriptor(getSearch, function (search) {
+   var url = getInternalURLState(this);
+   search = String(search);
+   if (search == '') {
+    url.query = null;
+   } else {
+    if ('?' == search.charAt(0))
+     search = search.slice(1);
+    url.query = '';
+    parseURL(url, search, QUERY);
+   }
+   getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+  }),
+  searchParams: accessorDescriptor(getSearchParams),
+  hash: accessorDescriptor(getHash, function (hash) {
+   var url = getInternalURLState(this);
+   hash = String(hash);
+   if (hash == '') {
+    url.fragment = null;
+    return;
+   }
+   if ('#' == hash.charAt(0))
+    hash = hash.slice(1);
+   url.fragment = '';
+   parseURL(url, hash, FRAGMENT);
+  })
+ });
+}
+redefine(URLPrototype, 'toJSON', function toJSON() {
+ return serializeURL.call(this);
+}, { enumerable: true });
+redefine(URLPrototype, 'toString', function toString() {
+ return serializeURL.call(this);
+}, { enumerable: true });
+if (NativeURL) {
+ var nativeCreateObjectURL = NativeURL.createObjectURL;
+ var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
+ if (nativeCreateObjectURL)
+  redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
+   return nativeCreateObjectURL.apply(NativeURL, arguments);
+  });
+ if (nativeRevokeObjectURL)
+  redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
+   return nativeRevokeObjectURL.apply(NativeURL, arguments);
+  });
+}
+setToStringTag(URLConstructor, 'URL');
+$({
+ global: true,
+ forced: !USE_NATIVE_URL,
+ sham: !DESCRIPTORS
+}, { URL: URLConstructor });
+
+/***/ }),
+/* 140 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var IS_PURE = __w_pdfjs_require__(37);
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = !fails(function () {
+ var url = new URL('b?a=1&b=2&c=3', 'http://a');
+ var searchParams = url.searchParams;
+ var result = '';
+ url.pathname = 'c%20d';
+ searchParams.forEach(function (value, key) {
+  searchParams['delete']('b');
+  result += key + value;
+ });
+ return IS_PURE && !url.toJSON || !searchParams.sort || url.href !== 'http://a/c%20d?a=1&c=3' || searchParams.get('c') !== '3' || String(new URLSearchParams('?a=1')) !== 'a=1' || !searchParams[ITERATOR] || new URL('https://a@b').username !== 'a' || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b' || new URL('http://тест').host !== 'xn--e1aybc' || new URL('http://a#б').hash !== '#%D0%B1' || result !== 'a1c3' || new URL('http://x', undefined).host !== 'x';
+});
+
+/***/ }),
+/* 141 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var maxInt = 2147483647;
+var base = 36;
+var tMin = 1;
+var tMax = 26;
+var skew = 38;
+var damp = 700;
+var initialBias = 72;
+var initialN = 128;
+var delimiter = '-';
+var regexNonASCII = /[^\0-\u007E]/;
+var regexSeparators = /[.\u3002\uFF0E\uFF61]/g;
+var OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';
+var baseMinusTMin = base - tMin;
+var floor = Math.floor;
+var stringFromCharCode = String.fromCharCode;
+var ucs2decode = function (string) {
+ var output = [];
+ var counter = 0;
+ var length = string.length;
+ while (counter < length) {
+  var value = string.charCodeAt(counter++);
+  if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+   var extra = string.charCodeAt(counter++);
+   if ((extra & 0xFC00) == 0xDC00) {
+    output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+   } else {
+    output.push(value);
+    counter--;
+   }
+  } else {
+   output.push(value);
+  }
+ }
+ return output;
+};
+var digitToBasic = function (digit) {
+ return digit + 22 + 75 * (digit < 26);
+};
+var adapt = function (delta, numPoints, firstTime) {
+ var k = 0;
+ delta = firstTime ? floor(delta / damp) : delta >> 1;
+ delta += floor(delta / numPoints);
+ for (; delta > baseMinusTMin * tMax >> 1; k += base) {
+  delta = floor(delta / baseMinusTMin);
+ }
+ return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+var encode = function (input) {
+ var output = [];
+ input = ucs2decode(input);
+ var inputLength = input.length;
+ var n = initialN;
+ var delta = 0;
+ var bias = initialBias;
+ var i, currentValue;
+ for (i = 0; i < input.length; i++) {
+  currentValue = input[i];
+  if (currentValue < 0x80) {
+   output.push(stringFromCharCode(currentValue));
+  }
+ }
+ var basicLength = output.length;
+ var handledCPCount = basicLength;
+ if (basicLength) {
+  output.push(delimiter);
+ }
+ while (handledCPCount < inputLength) {
+  var m = maxInt;
+  for (i = 0; i < input.length; i++) {
+   currentValue = input[i];
+   if (currentValue >= n && currentValue < m) {
+    m = currentValue;
+   }
+  }
+  var handledCPCountPlusOne = handledCPCount + 1;
+  if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+   throw RangeError(OVERFLOW_ERROR);
+  }
+  delta += (m - n) * handledCPCountPlusOne;
+  n = m;
+  for (i = 0; i < input.length; i++) {
+   currentValue = input[i];
+   if (currentValue < n && ++delta > maxInt) {
+    throw RangeError(OVERFLOW_ERROR);
+   }
+   if (currentValue == n) {
+    var q = delta;
+    for (var k = base;; k += base) {
+     var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+     if (q < t)
+      break;
+     var qMinusT = q - t;
+     var baseMinusT = base - t;
+     output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));
+     q = floor(qMinusT / baseMinusT);
+    }
+    output.push(stringFromCharCode(digitToBasic(q)));
+    bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+    delta = 0;
+    ++handledCPCount;
+   }
+  }
+  ++delta;
+  ++n;
+ }
+ return output.join('');
+};
+module.exports = function (input) {
+ var encoded = [];
+ var labels = input.toLowerCase().replace(regexSeparators, '\u002E').split('.');
+ var i, label;
+ for (i = 0; i < labels.length; i++) {
+  label = labels[i];
+  encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);
+ }
+ return encoded.join('.');
+};
+
+/***/ }),
+/* 142 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+__w_pdfjs_require__(102);
+var $ = __w_pdfjs_require__(10);
+var getBuiltIn = __w_pdfjs_require__(42);
+var USE_NATIVE_URL = __w_pdfjs_require__(140);
+var redefine = __w_pdfjs_require__(29);
+var redefineAll = __w_pdfjs_require__(124);
+var setToStringTag = __w_pdfjs_require__(85);
+var createIteratorConstructor = __w_pdfjs_require__(80);
+var InternalStateModule = __w_pdfjs_require__(33);
+var anInstance = __w_pdfjs_require__(126);
+var hasOwn = __w_pdfjs_require__(23);
+var bind = __w_pdfjs_require__(62);
+var classof = __w_pdfjs_require__(95);
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var create = __w_pdfjs_require__(71);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var getIterator = __w_pdfjs_require__(143);
+var getIteratorMethod = __w_pdfjs_require__(94);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var $fetch = getBuiltIn('fetch');
+var Headers = getBuiltIn('Headers');
+var ITERATOR = wellKnownSymbol('iterator');
+var URL_SEARCH_PARAMS = 'URLSearchParams';
+var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
+var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);
+var plus = /\+/g;
+var sequences = Array(4);
+var percentSequence = function (bytes) {
+ return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
+};
+var percentDecode = function (sequence) {
+ try {
+  return decodeURIComponent(sequence);
+ } catch (error) {
+  return sequence;
+ }
+};
+var deserialize = function (it) {
+ var result = it.replace(plus, ' ');
+ var bytes = 4;
+ try {
+  return decodeURIComponent(result);
+ } catch (error) {
+  while (bytes) {
+   result = result.replace(percentSequence(bytes--), percentDecode);
+  }
+  return result;
+ }
+};
+var find = /[!'()~]|%20/g;
+var replace = {
+ '!': '%21',
+ "'": '%27',
+ '(': '%28',
+ ')': '%29',
+ '~': '%7E',
+ '%20': '+'
+};
+var replacer = function (match) {
+ return replace[match];
+};
+var serialize = function (it) {
+ return encodeURIComponent(it).replace(find, replacer);
+};
+var parseSearchParams = function (result, query) {
+ if (query) {
+  var attributes = query.split('&');
+  var index = 0;
+  var attribute, entry;
+  while (index < attributes.length) {
+   attribute = attributes[index++];
+   if (attribute.length) {
+    entry = attribute.split('=');
+    result.push({
+     key: deserialize(entry.shift()),
+     value: deserialize(entry.join('='))
+    });
+   }
+  }
+ }
+};
+var updateSearchParams = function (query) {
+ this.entries.length = 0;
+ parseSearchParams(this.entries, query);
+};
+var validateArgumentsLength = function (passed, required) {
+ if (passed < required)
+  throw TypeError('Not enough arguments');
+};
+var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
+ setInternalState(this, {
+  type: URL_SEARCH_PARAMS_ITERATOR,
+  iterator: getIterator(getInternalParamsState(params).entries),
+  kind: kind
+ });
+}, 'Iterator', function next() {
+ var state = getInternalIteratorState(this);
+ var kind = state.kind;
+ var step = state.iterator.next();
+ var entry = step.value;
+ if (!step.done) {
+  step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [
+   entry.key,
+   entry.value
+  ];
+ }
+ return step;
+});
+var URLSearchParamsConstructor = function URLSearchParams() {
+ anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+ var init = arguments.length > 0 ? arguments[0] : undefined;
+ var that = this;
+ var entries = [];
+ var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;
+ setInternalState(that, {
+  type: URL_SEARCH_PARAMS,
+  entries: entries,
+  updateURL: function () {
+  },
+  updateSearchParams: updateSearchParams
+ });
+ if (init !== undefined) {
+  if (isObject(init)) {
+   iteratorMethod = getIteratorMethod(init);
+   if (typeof iteratorMethod === 'function') {
+    iterator = iteratorMethod.call(init);
+    next = iterator.next;
+    while (!(step = next.call(iterator)).done) {
+     entryIterator = getIterator(anObject(step.value));
+     entryNext = entryIterator.next;
+     if ((first = entryNext.call(entryIterator)).done || (second = entryNext.call(entryIterator)).done || !entryNext.call(entryIterator).done)
+      throw TypeError('Expected sequence with length 2');
+     entries.push({
+      key: first.value + '',
+      value: second.value + ''
+     });
+    }
+   } else
+    for (key in init)
+     if (hasOwn(init, key))
+      entries.push({
+       key: key,
+       value: init[key] + ''
+      });
+  } else {
+   parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
+  }
+ }
+};
+var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;
+redefineAll(URLSearchParamsPrototype, {
+ append: function append(name, value) {
+  validateArgumentsLength(arguments.length, 2);
+  var state = getInternalParamsState(this);
+  state.entries.push({
+   key: name + '',
+   value: value + ''
+  });
+  state.updateURL();
+ },
+ 'delete': function (name) {
+  validateArgumentsLength(arguments.length, 1);
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var key = name + '';
+  var index = 0;
+  while (index < entries.length) {
+   if (entries[index].key === key)
+    entries.splice(index, 1);
+   else
+    index++;
+  }
+  state.updateURL();
+ },
+ get: function get(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var index = 0;
+  for (; index < entries.length; index++) {
+   if (entries[index].key === key)
+    return entries[index].value;
+  }
+  return null;
+ },
+ getAll: function getAll(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var result = [];
+  var index = 0;
+  for (; index < entries.length; index++) {
+   if (entries[index].key === key)
+    result.push(entries[index].value);
+  }
+  return result;
+ },
+ has: function has(name) {
+  validateArgumentsLength(arguments.length, 1);
+  var entries = getInternalParamsState(this).entries;
+  var key = name + '';
+  var index = 0;
+  while (index < entries.length) {
+   if (entries[index++].key === key)
+    return true;
+  }
+  return false;
+ },
+ set: function set(name, value) {
+  validateArgumentsLength(arguments.length, 1);
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var found = false;
+  var key = name + '';
+  var val = value + '';
+  var index = 0;
+  var entry;
+  for (; index < entries.length; index++) {
+   entry = entries[index];
+   if (entry.key === key) {
+    if (found)
+     entries.splice(index--, 1);
+    else {
+     found = true;
+     entry.value = val;
+    }
+   }
+  }
+  if (!found)
+   entries.push({
+    key: key,
+    value: val
+   });
+  state.updateURL();
+ },
+ sort: function sort() {
+  var state = getInternalParamsState(this);
+  var entries = state.entries;
+  var slice = entries.slice();
+  var entry, entriesIndex, sliceIndex;
+  entries.length = 0;
+  for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
+   entry = slice[sliceIndex];
+   for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
+    if (entries[entriesIndex].key > entry.key) {
+     entries.splice(entriesIndex, 0, entry);
+     break;
+    }
+   }
+   if (entriesIndex === sliceIndex)
+    entries.push(entry);
+  }
+  state.updateURL();
+ },
+ forEach: function forEach(callback) {
+  var entries = getInternalParamsState(this).entries;
+  var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
+  var index = 0;
+  var entry;
+  while (index < entries.length) {
+   entry = entries[index++];
+   boundFunction(entry.value, entry.key, this);
+  }
+ },
+ keys: function keys() {
+  return new URLSearchParamsIterator(this, 'keys');
+ },
+ values: function values() {
+  return new URLSearchParamsIterator(this, 'values');
+ },
+ entries: function entries() {
+  return new URLSearchParamsIterator(this, 'entries');
+ }
+}, { enumerable: true });
+redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);
+redefine(URLSearchParamsPrototype, 'toString', function toString() {
+ var entries = getInternalParamsState(this).entries;
+ var result = [];
+ var index = 0;
+ var entry;
+ while (index < entries.length) {
+  entry = entries[index++];
+  result.push(serialize(entry.key) + '=' + serialize(entry.value));
+ }
+ return result.join('&');
+}, { enumerable: true });
+setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+$({
+ global: true,
+ forced: !USE_NATIVE_URL
+}, { URLSearchParams: URLSearchParamsConstructor });
+if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
+ $({
+  global: true,
+  enumerable: true,
+  forced: true
+ }, {
+  fetch: function fetch(input) {
+   var args = [input];
+   var init, body, headers;
+   if (arguments.length > 1) {
+    init = arguments[1];
+    if (isObject(init)) {
+     body = init.body;
+     if (classof(body) === URL_SEARCH_PARAMS) {
+      headers = init.headers ? new Headers(init.headers) : new Headers();
+      if (!headers.has('content-type')) {
+       headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
+      }
+      init = create(init, {
+       body: createPropertyDescriptor(0, String(body)),
+       headers: createPropertyDescriptor(0, headers)
+      });
+     }
+    }
+    args.push(init);
+   }
+   return $fetch.apply(this, args);
+  }
+ });
+}
+module.exports = {
+ URLSearchParams: URLSearchParamsConstructor,
+ getState: getInternalParamsState
+};
+
+/***/ }),
+/* 143 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(28);
+var getIteratorMethod = __w_pdfjs_require__(94);
+module.exports = function (it) {
+ var iteratorMethod = getIteratorMethod(it);
+ if (typeof iteratorMethod != 'function') {
+  throw TypeError(String(it) + ' is not iterable');
+ }
+ return anObject(iteratorMethod.call(it));
+};
+
+/***/ }),
+/* 144 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+$({
+ target: 'URL',
+ proto: true,
+ enumerable: true
+}, {
+ toJSON: function toJSON() {
+  return URL.prototype.toString.call(this);
+ }
+});
+
+/***/ }),
+/* 145 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+(function (global, factory) {
+  true ? factory(exports) : undefined;
+}(this, function (exports) {
+ 'use strict';
+ var SymbolPolyfill = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol : function (description) {
+  return "Symbol(" + description + ")";
+ };
+ function noop() {
+ }
+ var NumberIsNaN = Number.isNaN || function (x) {
+  return x !== x;
+ };
+ var rethrowAssertionErrorRejection = noop;
+ function typeIsObject(x) {
+  return typeof x === 'object' && x !== null || typeof x === 'function';
+ }
+ function createArrayFromList(elements) {
+  return elements.slice();
+ }
+ function ArrayBufferCopy(dest, destOffset, src, srcOffset, n) {
+  new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
+ }
+ function IsFiniteNonNegativeNumber(v) {
+  if (IsNonNegativeNumber(v) === false) {
+   return false;
+  }
+  if (v === Infinity) {
+   return false;
+  }
+  return true;
+ }
+ function IsNonNegativeNumber(v) {
+  if (typeof v !== 'number') {
+   return false;
+  }
+  if (NumberIsNaN(v)) {
+   return false;
+  }
+  if (v < 0) {
+   return false;
+  }
+  return true;
+ }
+ function Call(F, V, args) {
+  if (typeof F !== 'function') {
+   throw new TypeError('Argument is not a function');
+  }
+  return Function.prototype.apply.call(F, V, args);
+ }
+ function CreateAlgorithmFromUnderlyingMethod(underlyingObject, methodName, algoArgCount, extraArgs) {
+  var method = underlyingObject[methodName];
+  if (method !== undefined) {
+   if (typeof method !== 'function') {
+    throw new TypeError(method + " is not a method");
+   }
+   switch (algoArgCount) {
+   case 0: {
+     return function () {
+      return PromiseCall(method, underlyingObject, extraArgs);
+     };
+    }
+   case 1: {
+     return function (arg) {
+      var fullArgs = [arg].concat(extraArgs);
+      return PromiseCall(method, underlyingObject, fullArgs);
+     };
+    }
+   }
+  }
+  return function () {
+   return promiseResolvedWith(undefined);
+  };
+ }
+ function InvokeOrNoop(O, P, args) {
+  var method = O[P];
+  if (method === undefined) {
+   return undefined;
+  }
+  return Call(method, O, args);
+ }
+ function PromiseCall(F, V, args) {
+  try {
+   return promiseResolvedWith(Call(F, V, args));
+  } catch (value) {
+   return promiseRejectedWith(value);
+  }
+ }
+ function TransferArrayBuffer(O) {
+  return O;
+ }
+ function IsDetachedBuffer(O) {
+  return false;
+ }
+ function ValidateAndNormalizeHighWaterMark(highWaterMark) {
+  highWaterMark = Number(highWaterMark);
+  if (NumberIsNaN(highWaterMark) || highWaterMark < 0) {
+   throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
+  }
+  return highWaterMark;
+ }
+ function MakeSizeAlgorithmFromSizeFunction(size) {
+  if (size === undefined) {
+   return function () {
+    return 1;
+   };
+  }
+  if (typeof size !== 'function') {
+   throw new TypeError('size property of a queuing strategy must be a function');
+  }
+  return function (chunk) {
+   return size(chunk);
+  };
+ }
+ var originalPromise = Promise;
+ var originalPromiseThen = Promise.prototype.then;
+ var originalPromiseResolve = Promise.resolve.bind(originalPromise);
+ var originalPromiseReject = Promise.reject.bind(originalPromise);
+ function newPromise(executor) {
+  return new originalPromise(executor);
+ }
+ function promiseResolvedWith(value) {
+  return originalPromiseResolve(value);
+ }
+ function promiseRejectedWith(reason) {
+  return originalPromiseReject(reason);
+ }
+ function PerformPromiseThen(promise, onFulfilled, onRejected) {
+  return originalPromiseThen.call(promise, onFulfilled, onRejected);
+ }
+ function uponPromise(promise, onFulfilled, onRejected) {
+  PerformPromiseThen(PerformPromiseThen(promise, onFulfilled, onRejected), undefined, rethrowAssertionErrorRejection);
+ }
+ function uponFulfillment(promise, onFulfilled) {
+  uponPromise(promise, onFulfilled);
+ }
+ function uponRejection(promise, onRejected) {
+  uponPromise(promise, undefined, onRejected);
+ }
+ function transformPromiseWith(promise, fulfillmentHandler, rejectionHandler) {
+  return PerformPromiseThen(promise, fulfillmentHandler, rejectionHandler);
+ }
+ function setPromiseIsHandledToTrue(promise) {
+  PerformPromiseThen(promise, undefined, rethrowAssertionErrorRejection);
+ }
+ var QUEUE_MAX_ARRAY_SIZE = 16384;
+ var SimpleQueue = function () {
+  function SimpleQueue() {
+   this._cursor = 0;
+   this._size = 0;
+   this._front = {
+    _elements: [],
+    _next: undefined
+   };
+   this._back = this._front;
+   this._cursor = 0;
+   this._size = 0;
+  }
+  Object.defineProperty(SimpleQueue.prototype, "length", {
+   get: function () {
+    return this._size;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  SimpleQueue.prototype.push = function (element) {
+   var oldBack = this._back;
+   var newBack = oldBack;
+   if (oldBack._elements.length === QUEUE_MAX_ARRAY_SIZE - 1) {
+    newBack = {
+     _elements: [],
+     _next: undefined
+    };
+   }
+   oldBack._elements.push(element);
+   if (newBack !== oldBack) {
+    this._back = newBack;
+    oldBack._next = newBack;
+   }
+   ++this._size;
+  };
+  SimpleQueue.prototype.shift = function () {
+   var oldFront = this._front;
+   var newFront = oldFront;
+   var oldCursor = this._cursor;
+   var newCursor = oldCursor + 1;
+   var elements = oldFront._elements;
+   var element = elements[oldCursor];
+   if (newCursor === QUEUE_MAX_ARRAY_SIZE) {
+    newFront = oldFront._next;
+    newCursor = 0;
+   }
+   --this._size;
+   this._cursor = newCursor;
+   if (oldFront !== newFront) {
+    this._front = newFront;
+   }
+   elements[oldCursor] = undefined;
+   return element;
+  };
+  SimpleQueue.prototype.forEach = function (callback) {
+   var i = this._cursor;
+   var node = this._front;
+   var elements = node._elements;
+   while (i !== elements.length || node._next !== undefined) {
+    if (i === elements.length) {
+     node = node._next;
+     elements = node._elements;
+     i = 0;
+     if (elements.length === 0) {
+      break;
+     }
+    }
+    callback(elements[i]);
+    ++i;
+   }
+  };
+  SimpleQueue.prototype.peek = function () {
+   var front = this._front;
+   var cursor = this._cursor;
+   return front._elements[cursor];
+  };
+  return SimpleQueue;
+ }();
+ function ReadableStreamCreateReadResult(value, done, forAuthorCode) {
+  var prototype = null;
+  if (forAuthorCode === true) {
+   prototype = Object.prototype;
+  }
+  var obj = Object.create(prototype);
+  obj.value = value;
+  obj.done = done;
+  return obj;
+ }
+ function ReadableStreamReaderGenericInitialize(reader, stream) {
+  reader._forAuthorCode = true;
+  reader._ownerReadableStream = stream;
+  stream._reader = reader;
+  if (stream._state === 'readable') {
+   defaultReaderClosedPromiseInitialize(reader);
+  } else if (stream._state === 'closed') {
+   defaultReaderClosedPromiseInitializeAsResolved(reader);
+  } else {
+   defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
+  }
+ }
+ function ReadableStreamReaderGenericCancel(reader, reason) {
+  var stream = reader._ownerReadableStream;
+  return ReadableStreamCancel(stream, reason);
+ }
+ function ReadableStreamReaderGenericRelease(reader) {
+  if (reader._ownerReadableStream._state === 'readable') {
+   defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+  } else {
+   defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+  }
+  reader._ownerReadableStream._reader = undefined;
+  reader._ownerReadableStream = undefined;
+ }
+ function readerLockException(name) {
+  return new TypeError('Cannot ' + name + ' a stream using a released reader');
+ }
+ function defaultReaderClosedPromiseInitialize(reader) {
+  reader._closedPromise = newPromise(function (resolve, reject) {
+   reader._closedPromise_resolve = resolve;
+   reader._closedPromise_reject = reject;
+  });
+ }
+ function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
+  defaultReaderClosedPromiseInitialize(reader);
+  defaultReaderClosedPromiseReject(reader, reason);
+ }
+ function defaultReaderClosedPromiseInitializeAsResolved(reader) {
+  defaultReaderClosedPromiseInitialize(reader);
+  defaultReaderClosedPromiseResolve(reader);
+ }
+ function defaultReaderClosedPromiseReject(reader, reason) {
+  setPromiseIsHandledToTrue(reader._closedPromise);
+  reader._closedPromise_reject(reason);
+  reader._closedPromise_resolve = undefined;
+  reader._closedPromise_reject = undefined;
+ }
+ function defaultReaderClosedPromiseResetToRejected(reader, reason) {
+  defaultReaderClosedPromiseInitializeAsRejected(reader, reason);
+ }
+ function defaultReaderClosedPromiseResolve(reader) {
+  reader._closedPromise_resolve(undefined);
+  reader._closedPromise_resolve = undefined;
+  reader._closedPromise_reject = undefined;
+ }
+ var CancelSteps = SymbolPolyfill('[[CancelSteps]]');
+ var PullSteps = SymbolPolyfill('[[PullSteps]]');
+ function AcquireReadableStreamDefaultReader(stream, forAuthorCode) {
+  if (forAuthorCode === void 0) {
+   forAuthorCode = false;
+  }
+  var reader = new ReadableStreamDefaultReader(stream);
+  reader._forAuthorCode = forAuthorCode;
+  return reader;
+ }
+ function ReadableStreamAddReadRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var readRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._reader._readRequests.push(readRequest);
+  });
+  return promise;
+ }
+ function ReadableStreamFulfillReadRequest(stream, chunk, done) {
+  var reader = stream._reader;
+  var readRequest = reader._readRequests.shift();
+  readRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));
+ }
+ function ReadableStreamGetNumReadRequests(stream) {
+  return stream._reader._readRequests.length;
+ }
+ function ReadableStreamHasDefaultReader(stream) {
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return false;
+  }
+  if (!IsReadableStreamDefaultReader(reader)) {
+   return false;
+  }
+  return true;
+ }
+ var ReadableStreamDefaultReader = function () {
+  function ReadableStreamDefaultReader(stream) {
+   if (IsReadableStream(stream) === false) {
+    throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
+   }
+   if (IsReadableStreamLocked(stream) === true) {
+    throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+   }
+   ReadableStreamReaderGenericInitialize(this, stream);
+   this._readRequests = new SimpleQueue();
+  }
+  Object.defineProperty(ReadableStreamDefaultReader.prototype, "closed", {
+   get: function () {
+    if (!IsReadableStreamDefaultReader(this)) {
+     return promiseRejectedWith(defaultReaderBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamDefaultReader.prototype.cancel = function (reason) {
+   if (!IsReadableStreamDefaultReader(this)) {
+    return promiseRejectedWith(defaultReaderBrandCheckException('cancel'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('cancel'));
+   }
+   return ReadableStreamReaderGenericCancel(this, reason);
+  };
+  ReadableStreamDefaultReader.prototype.read = function () {
+   if (!IsReadableStreamDefaultReader(this)) {
+    return promiseRejectedWith(defaultReaderBrandCheckException('read'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('read from'));
+   }
+   return ReadableStreamDefaultReaderRead(this);
+  };
+  ReadableStreamDefaultReader.prototype.releaseLock = function () {
+   if (!IsReadableStreamDefaultReader(this)) {
+    throw defaultReaderBrandCheckException('releaseLock');
+   }
+   if (this._ownerReadableStream === undefined) {
+    return;
+   }
+   if (this._readRequests.length > 0) {
+    throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+   }
+   ReadableStreamReaderGenericRelease(this);
+  };
+  return ReadableStreamDefaultReader;
+ }();
+ function IsReadableStreamDefaultReader(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultReaderRead(reader) {
+  var stream = reader._ownerReadableStream;
+  stream._disturbed = true;
+  if (stream._state === 'closed') {
+   return promiseResolvedWith(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));
+  }
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return stream._readableStreamController[PullSteps]();
+ }
+ function defaultReaderBrandCheckException(name) {
+  return new TypeError("ReadableStreamDefaultReader.prototype." + name + " can only be used on a ReadableStreamDefaultReader");
+ }
+ var _a;
+ var AsyncIteratorPrototype;
+ if (typeof SymbolPolyfill.asyncIterator === 'symbol') {
+  AsyncIteratorPrototype = (_a = {}, _a[SymbolPolyfill.asyncIterator] = function () {
+   return this;
+  }, _a);
+  Object.defineProperty(AsyncIteratorPrototype, SymbolPolyfill.asyncIterator, { enumerable: false });
+ }
+ var ReadableStreamAsyncIteratorPrototype = {
+  next: function () {
+   if (IsReadableStreamAsyncIterator(this) === false) {
+    return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));
+   }
+   var reader = this._asyncIteratorReader;
+   if (reader._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('iterate'));
+   }
+   return transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {
+    var done = result.done;
+    if (done) {
+     ReadableStreamReaderGenericRelease(reader);
+    }
+    var value = result.value;
+    return ReadableStreamCreateReadResult(value, done, true);
+   });
+  },
+  return: function (value) {
+   if (IsReadableStreamAsyncIterator(this) === false) {
+    return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));
+   }
+   var reader = this._asyncIteratorReader;
+   if (reader._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('finish iterating'));
+   }
+   if (reader._readRequests.length > 0) {
+    return promiseRejectedWith(new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'));
+   }
+   if (this._preventCancel === false) {
+    var result = ReadableStreamReaderGenericCancel(reader, value);
+    ReadableStreamReaderGenericRelease(reader);
+    return transformPromiseWith(result, function () {
+     return ReadableStreamCreateReadResult(value, true, true);
+    });
+   }
+   ReadableStreamReaderGenericRelease(reader);
+   return promiseResolvedWith(ReadableStreamCreateReadResult(value, true, true));
+  }
+ };
+ if (AsyncIteratorPrototype !== undefined) {
+  Object.setPrototypeOf(ReadableStreamAsyncIteratorPrototype, AsyncIteratorPrototype);
+ }
+ Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'next', { enumerable: false });
+ Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'return', { enumerable: false });
+ function AcquireReadableStreamAsyncIterator(stream, preventCancel) {
+  if (preventCancel === void 0) {
+   preventCancel = false;
+  }
+  var reader = AcquireReadableStreamDefaultReader(stream);
+  var iterator = Object.create(ReadableStreamAsyncIteratorPrototype);
+  iterator._asyncIteratorReader = reader;
+  iterator._preventCancel = Boolean(preventCancel);
+  return iterator;
+ }
+ function IsReadableStreamAsyncIterator(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_asyncIteratorReader')) {
+   return false;
+  }
+  return true;
+ }
+ function streamAsyncIteratorBrandCheckException(name) {
+  return new TypeError("ReadableStreamAsyncIterator." + name + " can only be used on a ReadableSteamAsyncIterator");
+ }
+ function DequeueValue(container) {
+  var pair = container._queue.shift();
+  container._queueTotalSize -= pair.size;
+  if (container._queueTotalSize < 0) {
+   container._queueTotalSize = 0;
+  }
+  return pair.value;
+ }
+ function EnqueueValueWithSize(container, value, size) {
+  size = Number(size);
+  if (!IsFiniteNonNegativeNumber(size)) {
+   throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
+  }
+  container._queue.push({
+   value: value,
+   size: size
+  });
+  container._queueTotalSize += size;
+ }
+ function PeekQueueValue(container) {
+  var pair = container._queue.peek();
+  return pair.value;
+ }
+ function ResetQueue(container) {
+  container._queue = new SimpleQueue();
+  container._queueTotalSize = 0;
+ }
+ var AbortSteps = SymbolPolyfill('[[AbortSteps]]');
+ var ErrorSteps = SymbolPolyfill('[[ErrorSteps]]');
+ var WritableStream = function () {
+  function WritableStream(underlyingSink, strategy) {
+   if (underlyingSink === void 0) {
+    underlyingSink = {};
+   }
+   if (strategy === void 0) {
+    strategy = {};
+   }
+   InitializeWritableStream(this);
+   var size = strategy.size;
+   var highWaterMark = strategy.highWaterMark;
+   var type = underlyingSink.type;
+   if (type !== undefined) {
+    throw new RangeError('Invalid type is specified');
+   }
+   var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);
+   if (highWaterMark === undefined) {
+    highWaterMark = 1;
+   }
+   highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+   SetUpWritableStreamDefaultControllerFromUnderlyingSink(this, underlyingSink, highWaterMark, sizeAlgorithm);
+  }
+  Object.defineProperty(WritableStream.prototype, "locked", {
+   get: function () {
+    if (IsWritableStream(this) === false) {
+     throw streamBrandCheckException('locked');
+    }
+    return IsWritableStreamLocked(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  WritableStream.prototype.abort = function (reason) {
+   if (IsWritableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException('abort'));
+   }
+   if (IsWritableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot abort a stream that already has a writer'));
+   }
+   return WritableStreamAbort(this, reason);
+  };
+  WritableStream.prototype.close = function () {
+   if (IsWritableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException('close'));
+   }
+   if (IsWritableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close a stream that already has a writer'));
+   }
+   if (WritableStreamCloseQueuedOrInFlight(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));
+   }
+   return WritableStreamClose(this);
+  };
+  WritableStream.prototype.getWriter = function () {
+   if (IsWritableStream(this) === false) {
+    throw streamBrandCheckException('getWriter');
+   }
+   return AcquireWritableStreamDefaultWriter(this);
+  };
+  return WritableStream;
+ }();
+ function AcquireWritableStreamDefaultWriter(stream) {
+  return new WritableStreamDefaultWriter(stream);
+ }
+ function CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {
+  if (highWaterMark === void 0) {
+   highWaterMark = 1;
+  }
+  if (sizeAlgorithm === void 0) {
+   sizeAlgorithm = function () {
+    return 1;
+   };
+  }
+  var stream = Object.create(WritableStream.prototype);
+  InitializeWritableStream(stream);
+  var controller = Object.create(WritableStreamDefaultController.prototype);
+  SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);
+  return stream;
+ }
+ function InitializeWritableStream(stream) {
+  stream._state = 'writable';
+  stream._storedError = undefined;
+  stream._writer = undefined;
+  stream._writableStreamController = undefined;
+  stream._writeRequests = new SimpleQueue();
+  stream._inFlightWriteRequest = undefined;
+  stream._closeRequest = undefined;
+  stream._inFlightCloseRequest = undefined;
+  stream._pendingAbortRequest = undefined;
+  stream._backpressure = false;
+ }
+ function IsWritableStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function IsWritableStreamLocked(stream) {
+  if (stream._writer === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamAbort(stream, reason) {
+  var state = stream._state;
+  if (state === 'closed' || state === 'errored') {
+   return promiseResolvedWith(undefined);
+  }
+  if (stream._pendingAbortRequest !== undefined) {
+   return stream._pendingAbortRequest._promise;
+  }
+  var wasAlreadyErroring = false;
+  if (state === 'erroring') {
+   wasAlreadyErroring = true;
+   reason = undefined;
+  }
+  var promise = newPromise(function (resolve, reject) {
+   stream._pendingAbortRequest = {
+    _promise: undefined,
+    _resolve: resolve,
+    _reject: reject,
+    _reason: reason,
+    _wasAlreadyErroring: wasAlreadyErroring
+   };
+  });
+  stream._pendingAbortRequest._promise = promise;
+  if (wasAlreadyErroring === false) {
+   WritableStreamStartErroring(stream, reason);
+  }
+  return promise;
+ }
+ function WritableStreamClose(stream) {
+  var state = stream._state;
+  if (state === 'closed' || state === 'errored') {
+   return promiseRejectedWith(new TypeError("The stream (in " + state + " state) is not in the writable state and cannot be closed"));
+  }
+  var promise = newPromise(function (resolve, reject) {
+   var closeRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._closeRequest = closeRequest;
+  });
+  var writer = stream._writer;
+  if (writer !== undefined && stream._backpressure === true && state === 'writable') {
+   defaultWriterReadyPromiseResolve(writer);
+  }
+  WritableStreamDefaultControllerClose(stream._writableStreamController);
+  return promise;
+ }
+ function WritableStreamAddWriteRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var writeRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._writeRequests.push(writeRequest);
+  });
+  return promise;
+ }
+ function WritableStreamDealWithRejection(stream, error) {
+  var state = stream._state;
+  if (state === 'writable') {
+   WritableStreamStartErroring(stream, error);
+   return;
+  }
+  WritableStreamFinishErroring(stream);
+ }
+ function WritableStreamStartErroring(stream, reason) {
+  var controller = stream._writableStreamController;
+  stream._state = 'erroring';
+  stream._storedError = reason;
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
+  }
+  if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
+   WritableStreamFinishErroring(stream);
+  }
+ }
+ function WritableStreamFinishErroring(stream) {
+  stream._state = 'errored';
+  stream._writableStreamController[ErrorSteps]();
+  var storedError = stream._storedError;
+  stream._writeRequests.forEach(function (writeRequest) {
+   writeRequest._reject(storedError);
+  });
+  stream._writeRequests = new SimpleQueue();
+  if (stream._pendingAbortRequest === undefined) {
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+   return;
+  }
+  var abortRequest = stream._pendingAbortRequest;
+  stream._pendingAbortRequest = undefined;
+  if (abortRequest._wasAlreadyErroring === true) {
+   abortRequest._reject(storedError);
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+   return;
+  }
+  var promise = stream._writableStreamController[AbortSteps](abortRequest._reason);
+  uponPromise(promise, function () {
+   abortRequest._resolve();
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+  }, function (reason) {
+   abortRequest._reject(reason);
+   WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+  });
+ }
+ function WritableStreamFinishInFlightWrite(stream) {
+  stream._inFlightWriteRequest._resolve(undefined);
+  stream._inFlightWriteRequest = undefined;
+ }
+ function WritableStreamFinishInFlightWriteWithError(stream, error) {
+  stream._inFlightWriteRequest._reject(error);
+  stream._inFlightWriteRequest = undefined;
+  WritableStreamDealWithRejection(stream, error);
+ }
+ function WritableStreamFinishInFlightClose(stream) {
+  stream._inFlightCloseRequest._resolve(undefined);
+  stream._inFlightCloseRequest = undefined;
+  var state = stream._state;
+  if (state === 'erroring') {
+   stream._storedError = undefined;
+   if (stream._pendingAbortRequest !== undefined) {
+    stream._pendingAbortRequest._resolve();
+    stream._pendingAbortRequest = undefined;
+   }
+  }
+  stream._state = 'closed';
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   defaultWriterClosedPromiseResolve(writer);
+  }
+ }
+ function WritableStreamFinishInFlightCloseWithError(stream, error) {
+  stream._inFlightCloseRequest._reject(error);
+  stream._inFlightCloseRequest = undefined;
+  if (stream._pendingAbortRequest !== undefined) {
+   stream._pendingAbortRequest._reject(error);
+   stream._pendingAbortRequest = undefined;
+  }
+  WritableStreamDealWithRejection(stream, error);
+ }
+ function WritableStreamCloseQueuedOrInFlight(stream) {
+  if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamHasOperationMarkedInFlight(stream) {
+  if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamMarkCloseRequestInFlight(stream) {
+  stream._inFlightCloseRequest = stream._closeRequest;
+  stream._closeRequest = undefined;
+ }
+ function WritableStreamMarkFirstWriteRequestInFlight(stream) {
+  stream._inFlightWriteRequest = stream._writeRequests.shift();
+ }
+ function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
+  if (stream._closeRequest !== undefined) {
+   stream._closeRequest._reject(stream._storedError);
+   stream._closeRequest = undefined;
+  }
+  var writer = stream._writer;
+  if (writer !== undefined) {
+   defaultWriterClosedPromiseReject(writer, stream._storedError);
+  }
+ }
+ function WritableStreamUpdateBackpressure(stream, backpressure) {
+  var writer = stream._writer;
+  if (writer !== undefined && backpressure !== stream._backpressure) {
+   if (backpressure === true) {
+    defaultWriterReadyPromiseReset(writer);
+   } else {
+    defaultWriterReadyPromiseResolve(writer);
+   }
+  }
+  stream._backpressure = backpressure;
+ }
+ var WritableStreamDefaultWriter = function () {
+  function WritableStreamDefaultWriter(stream) {
+   if (IsWritableStream(stream) === false) {
+    throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
+   }
+   if (IsWritableStreamLocked(stream) === true) {
+    throw new TypeError('This stream has already been locked for exclusive writing by another writer');
+   }
+   this._ownerWritableStream = stream;
+   stream._writer = this;
+   var state = stream._state;
+   if (state === 'writable') {
+    if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
+     defaultWriterReadyPromiseInitialize(this);
+    } else {
+     defaultWriterReadyPromiseInitializeAsResolved(this);
+    }
+    defaultWriterClosedPromiseInitialize(this);
+   } else if (state === 'erroring') {
+    defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
+    defaultWriterClosedPromiseInitialize(this);
+   } else if (state === 'closed') {
+    defaultWriterReadyPromiseInitializeAsResolved(this);
+    defaultWriterClosedPromiseInitializeAsResolved(this);
+   } else {
+    var storedError = stream._storedError;
+    defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
+    defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
+   }
+  }
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "closed", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     return promiseRejectedWith(defaultWriterBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "desiredSize", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     throw defaultWriterBrandCheckException('desiredSize');
+    }
+    if (this._ownerWritableStream === undefined) {
+     throw defaultWriterLockException('desiredSize');
+    }
+    return WritableStreamDefaultWriterGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(WritableStreamDefaultWriter.prototype, "ready", {
+   get: function () {
+    if (IsWritableStreamDefaultWriter(this) === false) {
+     return promiseRejectedWith(defaultWriterBrandCheckException('ready'));
+    }
+    return this._readyPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  WritableStreamDefaultWriter.prototype.abort = function (reason) {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('abort'));
+   }
+   if (this._ownerWritableStream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('abort'));
+   }
+   return WritableStreamDefaultWriterAbort(this, reason);
+  };
+  WritableStreamDefaultWriter.prototype.close = function () {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('close'));
+   }
+   var stream = this._ownerWritableStream;
+   if (stream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('close'));
+   }
+   if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
+    return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));
+   }
+   return WritableStreamDefaultWriterClose(this);
+  };
+  WritableStreamDefaultWriter.prototype.releaseLock = function () {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    throw defaultWriterBrandCheckException('releaseLock');
+   }
+   var stream = this._ownerWritableStream;
+   if (stream === undefined) {
+    return;
+   }
+   WritableStreamDefaultWriterRelease(this);
+  };
+  WritableStreamDefaultWriter.prototype.write = function (chunk) {
+   if (IsWritableStreamDefaultWriter(this) === false) {
+    return promiseRejectedWith(defaultWriterBrandCheckException('write'));
+   }
+   if (this._ownerWritableStream === undefined) {
+    return promiseRejectedWith(defaultWriterLockException('write to'));
+   }
+   return WritableStreamDefaultWriterWrite(this, chunk);
+  };
+  return WritableStreamDefaultWriter;
+ }();
+ function IsWritableStreamDefaultWriter(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function WritableStreamDefaultWriterAbort(writer, reason) {
+  var stream = writer._ownerWritableStream;
+  return WritableStreamAbort(stream, reason);
+ }
+ function WritableStreamDefaultWriterClose(writer) {
+  var stream = writer._ownerWritableStream;
+  return WritableStreamClose(stream);
+ }
+ function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
+  var stream = writer._ownerWritableStream;
+  var state = stream._state;
+  if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+   return promiseResolvedWith(undefined);
+  }
+  if (state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return WritableStreamDefaultWriterClose(writer);
+ }
+ function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
+  if (writer._closedPromiseState === 'pending') {
+   defaultWriterClosedPromiseReject(writer, error);
+  } else {
+   defaultWriterClosedPromiseResetToRejected(writer, error);
+  }
+ }
+ function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
+  if (writer._readyPromiseState === 'pending') {
+   defaultWriterReadyPromiseReject(writer, error);
+  } else {
+   defaultWriterReadyPromiseResetToRejected(writer, error);
+  }
+ }
+ function WritableStreamDefaultWriterGetDesiredSize(writer) {
+  var stream = writer._ownerWritableStream;
+  var state = stream._state;
+  if (state === 'errored' || state === 'erroring') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
+ }
+ function WritableStreamDefaultWriterRelease(writer) {
+  var stream = writer._ownerWritableStream;
+  var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
+  WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
+  WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
+  stream._writer = undefined;
+  writer._ownerWritableStream = undefined;
+ }
+ function WritableStreamDefaultWriterWrite(writer, chunk) {
+  var stream = writer._ownerWritableStream;
+  var controller = stream._writableStreamController;
+  var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
+  if (stream !== writer._ownerWritableStream) {
+   return promiseRejectedWith(defaultWriterLockException('write to'));
+  }
+  var state = stream._state;
+  if (state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+   return promiseRejectedWith(new TypeError('The stream is closing or closed and cannot be written to'));
+  }
+  if (state === 'erroring') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  var promise = WritableStreamAddWriteRequest(stream);
+  WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
+  return promise;
+ }
+ var WritableStreamDefaultController = function () {
+  function WritableStreamDefaultController() {
+   throw new TypeError('WritableStreamDefaultController cannot be constructed explicitly');
+  }
+  WritableStreamDefaultController.prototype.error = function (e) {
+   if (IsWritableStreamDefaultController(this) === false) {
+    throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
+   }
+   var state = this._controlledWritableStream._state;
+   if (state !== 'writable') {
+    return;
+   }
+   WritableStreamDefaultControllerError(this, e);
+  };
+  WritableStreamDefaultController.prototype[AbortSteps] = function (reason) {
+   var result = this._abortAlgorithm(reason);
+   WritableStreamDefaultControllerClearAlgorithms(this);
+   return result;
+  };
+  WritableStreamDefaultController.prototype[ErrorSteps] = function () {
+   ResetQueue(this);
+  };
+  return WritableStreamDefaultController;
+ }();
+ function IsWritableStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledWritableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {
+  controller._controlledWritableStream = stream;
+  stream._writableStreamController = controller;
+  controller._queue = undefined;
+  controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._started = false;
+  controller._strategySizeAlgorithm = sizeAlgorithm;
+  controller._strategyHWM = highWaterMark;
+  controller._writeAlgorithm = writeAlgorithm;
+  controller._closeAlgorithm = closeAlgorithm;
+  controller._abortAlgorithm = abortAlgorithm;
+  var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+  WritableStreamUpdateBackpressure(stream, backpressure);
+  var startResult = startAlgorithm();
+  var startPromise = promiseResolvedWith(startResult);
+  uponPromise(startPromise, function () {
+   controller._started = true;
+   WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }, function (r) {
+   controller._started = true;
+   WritableStreamDealWithRejection(stream, r);
+  });
+ }
+ function SetUpWritableStreamDefaultControllerFromUnderlyingSink(stream, underlyingSink, highWaterMark, sizeAlgorithm) {
+  var controller = Object.create(WritableStreamDefaultController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingSink, 'start', [controller]);
+  }
+  var writeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'write', 1, [controller]);
+  var closeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'close', 0, []);
+  var abortAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'abort', 1, []);
+  SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);
+ }
+ function WritableStreamDefaultControllerClearAlgorithms(controller) {
+  controller._writeAlgorithm = undefined;
+  controller._closeAlgorithm = undefined;
+  controller._abortAlgorithm = undefined;
+  controller._strategySizeAlgorithm = undefined;
+ }
+ function WritableStreamDefaultControllerClose(controller) {
+  EnqueueValueWithSize(controller, 'close', 0);
+  WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+ }
+ function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
+  try {
+   return controller._strategySizeAlgorithm(chunk);
+  } catch (chunkSizeE) {
+   WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
+   return 1;
+  }
+ }
+ function WritableStreamDefaultControllerGetDesiredSize(controller) {
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
+  var writeRecord = { chunk: chunk };
+  try {
+   EnqueueValueWithSize(controller, writeRecord, chunkSize);
+  } catch (enqueueE) {
+   WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
+   return;
+  }
+  var stream = controller._controlledWritableStream;
+  if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
+   var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+   WritableStreamUpdateBackpressure(stream, backpressure);
+  }
+  WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+ }
+ function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
+  var stream = controller._controlledWritableStream;
+  if (controller._started === false) {
+   return;
+  }
+  if (stream._inFlightWriteRequest !== undefined) {
+   return;
+  }
+  var state = stream._state;
+  if (state === 'erroring') {
+   WritableStreamFinishErroring(stream);
+   return;
+  }
+  if (controller._queue.length === 0) {
+   return;
+  }
+  var writeRecord = PeekQueueValue(controller);
+  if (writeRecord === 'close') {
+   WritableStreamDefaultControllerProcessClose(controller);
+  } else {
+   WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
+  }
+ }
+ function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
+  if (controller._controlledWritableStream._state === 'writable') {
+   WritableStreamDefaultControllerError(controller, error);
+  }
+ }
+ function WritableStreamDefaultControllerProcessClose(controller) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamMarkCloseRequestInFlight(stream);
+  DequeueValue(controller);
+  var sinkClosePromise = controller._closeAlgorithm();
+  WritableStreamDefaultControllerClearAlgorithms(controller);
+  uponPromise(sinkClosePromise, function () {
+   WritableStreamFinishInFlightClose(stream);
+  }, function (reason) {
+   WritableStreamFinishInFlightCloseWithError(stream, reason);
+  });
+ }
+ function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamMarkFirstWriteRequestInFlight(stream);
+  var sinkWritePromise = controller._writeAlgorithm(chunk);
+  uponPromise(sinkWritePromise, function () {
+   WritableStreamFinishInFlightWrite(stream);
+   var state = stream._state;
+   DequeueValue(controller);
+   if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
+    var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+    WritableStreamUpdateBackpressure(stream, backpressure);
+   }
+   WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }, function (reason) {
+   if (stream._state === 'writable') {
+    WritableStreamDefaultControllerClearAlgorithms(controller);
+   }
+   WritableStreamFinishInFlightWriteWithError(stream, reason);
+  });
+ }
+ function WritableStreamDefaultControllerGetBackpressure(controller) {
+  var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
+  return desiredSize <= 0;
+ }
+ function WritableStreamDefaultControllerError(controller, error) {
+  var stream = controller._controlledWritableStream;
+  WritableStreamDefaultControllerClearAlgorithms(controller);
+  WritableStreamStartErroring(stream, error);
+ }
+ function streamBrandCheckException(name) {
+  return new TypeError("WritableStream.prototype." + name + " can only be used on a WritableStream");
+ }
+ function defaultWriterBrandCheckException(name) {
+  return new TypeError("WritableStreamDefaultWriter.prototype." + name + " can only be used on a WritableStreamDefaultWriter");
+ }
+ function defaultWriterLockException(name) {
+  return new TypeError('Cannot ' + name + ' a stream using a released writer');
+ }
+ function defaultWriterClosedPromiseInitialize(writer) {
+  writer._closedPromise = newPromise(function (resolve, reject) {
+   writer._closedPromise_resolve = resolve;
+   writer._closedPromise_reject = reject;
+   writer._closedPromiseState = 'pending';
+  });
+ }
+ function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
+  defaultWriterClosedPromiseInitialize(writer);
+  defaultWriterClosedPromiseReject(writer, reason);
+ }
+ function defaultWriterClosedPromiseInitializeAsResolved(writer) {
+  defaultWriterClosedPromiseInitialize(writer);
+  defaultWriterClosedPromiseResolve(writer);
+ }
+ function defaultWriterClosedPromiseReject(writer, reason) {
+  setPromiseIsHandledToTrue(writer._closedPromise);
+  writer._closedPromise_reject(reason);
+  writer._closedPromise_resolve = undefined;
+  writer._closedPromise_reject = undefined;
+  writer._closedPromiseState = 'rejected';
+ }
+ function defaultWriterClosedPromiseResetToRejected(writer, reason) {
+  defaultWriterClosedPromiseInitializeAsRejected(writer, reason);
+ }
+ function defaultWriterClosedPromiseResolve(writer) {
+  writer._closedPromise_resolve(undefined);
+  writer._closedPromise_resolve = undefined;
+  writer._closedPromise_reject = undefined;
+  writer._closedPromiseState = 'resolved';
+ }
+ function defaultWriterReadyPromiseInitialize(writer) {
+  writer._readyPromise = newPromise(function (resolve, reject) {
+   writer._readyPromise_resolve = resolve;
+   writer._readyPromise_reject = reject;
+  });
+  writer._readyPromiseState = 'pending';
+ }
+ function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
+  defaultWriterReadyPromiseInitialize(writer);
+  defaultWriterReadyPromiseReject(writer, reason);
+ }
+ function defaultWriterReadyPromiseInitializeAsResolved(writer) {
+  defaultWriterReadyPromiseInitialize(writer);
+  defaultWriterReadyPromiseResolve(writer);
+ }
+ function defaultWriterReadyPromiseReject(writer, reason) {
+  setPromiseIsHandledToTrue(writer._readyPromise);
+  writer._readyPromise_reject(reason);
+  writer._readyPromise_resolve = undefined;
+  writer._readyPromise_reject = undefined;
+  writer._readyPromiseState = 'rejected';
+ }
+ function defaultWriterReadyPromiseReset(writer) {
+  defaultWriterReadyPromiseInitialize(writer);
+ }
+ function defaultWriterReadyPromiseResetToRejected(writer, reason) {
+  defaultWriterReadyPromiseInitializeAsRejected(writer, reason);
+ }
+ function defaultWriterReadyPromiseResolve(writer) {
+  writer._readyPromise_resolve(undefined);
+  writer._readyPromise_resolve = undefined;
+  writer._readyPromise_reject = undefined;
+  writer._readyPromiseState = 'fulfilled';
+ }
+ function isAbortSignal(value) {
+  if (typeof value !== 'object' || value === null) {
+   return false;
+  }
+  try {
+   return typeof value.aborted === 'boolean';
+  } catch (_a) {
+   return false;
+  }
+ }
+ var NativeDOMException = typeof DOMException !== 'undefined' ? DOMException : undefined;
+ function isDOMExceptionConstructor(ctor) {
+  if (!(typeof ctor === 'function' || typeof ctor === 'object')) {
+   return false;
+  }
+  try {
+   new ctor();
+   return true;
+  } catch (_a) {
+   return false;
+  }
+ }
+ function createDOMExceptionPolyfill() {
+  var ctor = function DOMException(message, name) {
+   this.message = message || '';
+   this.name = name || 'Error';
+   if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, this.constructor);
+   }
+  };
+  ctor.prototype = Object.create(Error.prototype);
+  Object.defineProperty(ctor.prototype, 'constructor', {
+   value: ctor,
+   writable: true,
+   configurable: true
+  });
+  return ctor;
+ }
+ var DOMException$1 = isDOMExceptionConstructor(NativeDOMException) ? NativeDOMException : createDOMExceptionPolyfill();
+ function ReadableStreamPipeTo(source, dest, preventClose, preventAbort, preventCancel, signal) {
+  var reader = AcquireReadableStreamDefaultReader(source);
+  var writer = AcquireWritableStreamDefaultWriter(dest);
+  source._disturbed = true;
+  var shuttingDown = false;
+  var currentWrite = promiseResolvedWith(undefined);
+  return newPromise(function (resolve, reject) {
+   var abortAlgorithm;
+   if (signal !== undefined) {
+    abortAlgorithm = function () {
+     var error = new DOMException$1('Aborted', 'AbortError');
+     var actions = [];
+     if (preventAbort === false) {
+      actions.push(function () {
+       if (dest._state === 'writable') {
+        return WritableStreamAbort(dest, error);
+       }
+       return promiseResolvedWith(undefined);
+      });
+     }
+     if (preventCancel === false) {
+      actions.push(function () {
+       if (source._state === 'readable') {
+        return ReadableStreamCancel(source, error);
+       }
+       return promiseResolvedWith(undefined);
+      });
+     }
+     shutdownWithAction(function () {
+      return Promise.all(actions.map(function (action) {
+       return action();
+      }));
+     }, true, error);
+    };
+    if (signal.aborted === true) {
+     abortAlgorithm();
+     return;
+    }
+    signal.addEventListener('abort', abortAlgorithm);
+   }
+   function pipeLoop() {
+    return newPromise(function (resolveLoop, rejectLoop) {
+     function next(done) {
+      if (done) {
+       resolveLoop();
+      } else {
+       PerformPromiseThen(pipeStep(), next, rejectLoop);
+      }
+     }
+     next(false);
+    });
+   }
+   function pipeStep() {
+    if (shuttingDown === true) {
+     return promiseResolvedWith(true);
+    }
+    return PerformPromiseThen(writer._readyPromise, function () {
+     return PerformPromiseThen(ReadableStreamDefaultReaderRead(reader), function (result) {
+      if (result.done === true) {
+       return true;
+      }
+      currentWrite = PerformPromiseThen(WritableStreamDefaultWriterWrite(writer, result.value), undefined, noop);
+      return false;
+     });
+    });
+   }
+   isOrBecomesErrored(source, reader._closedPromise, function (storedError) {
+    if (preventAbort === false) {
+     shutdownWithAction(function () {
+      return WritableStreamAbort(dest, storedError);
+     }, true, storedError);
+    } else {
+     shutdown(true, storedError);
+    }
+   });
+   isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
+    if (preventCancel === false) {
+     shutdownWithAction(function () {
+      return ReadableStreamCancel(source, storedError);
+     }, true, storedError);
+    } else {
+     shutdown(true, storedError);
+    }
+   });
+   isOrBecomesClosed(source, reader._closedPromise, function () {
+    if (preventClose === false) {
+     shutdownWithAction(function () {
+      return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
+     });
+    } else {
+     shutdown();
+    }
+   });
+   if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
+    var destClosed_1 = new TypeError('the destination writable stream closed before all data could be piped to it');
+    if (preventCancel === false) {
+     shutdownWithAction(function () {
+      return ReadableStreamCancel(source, destClosed_1);
+     }, true, destClosed_1);
+    } else {
+     shutdown(true, destClosed_1);
+    }
+   }
+   setPromiseIsHandledToTrue(pipeLoop());
+   function waitForWritesToFinish() {
+    var oldCurrentWrite = currentWrite;
+    return PerformPromiseThen(currentWrite, function () {
+     return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
+    });
+   }
+   function isOrBecomesErrored(stream, promise, action) {
+    if (stream._state === 'errored') {
+     action(stream._storedError);
+    } else {
+     uponRejection(promise, action);
+    }
+   }
+   function isOrBecomesClosed(stream, promise, action) {
+    if (stream._state === 'closed') {
+     action();
+    } else {
+     uponFulfillment(promise, action);
+    }
+   }
+   function shutdownWithAction(action, originalIsError, originalError) {
+    if (shuttingDown === true) {
+     return;
+    }
+    shuttingDown = true;
+    if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+     uponFulfillment(waitForWritesToFinish(), doTheRest);
+    } else {
+     doTheRest();
+    }
+    function doTheRest() {
+     uponPromise(action(), function () {
+      return finalize(originalIsError, originalError);
+     }, function (newError) {
+      return finalize(true, newError);
+     });
+    }
+   }
+   function shutdown(isError, error) {
+    if (shuttingDown === true) {
+     return;
+    }
+    shuttingDown = true;
+    if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+     uponFulfillment(waitForWritesToFinish(), function () {
+      return finalize(isError, error);
+     });
+    } else {
+     finalize(isError, error);
+    }
+   }
+   function finalize(isError, error) {
+    WritableStreamDefaultWriterRelease(writer);
+    ReadableStreamReaderGenericRelease(reader);
+    if (signal !== undefined) {
+     signal.removeEventListener('abort', abortAlgorithm);
+    }
+    if (isError) {
+     reject(error);
+    } else {
+     resolve(undefined);
+    }
+   }
+  });
+ }
+ var ReadableStreamDefaultController = function () {
+  function ReadableStreamDefaultController() {
+   throw new TypeError();
+  }
+  Object.defineProperty(ReadableStreamDefaultController.prototype, "desiredSize", {
+   get: function () {
+    if (IsReadableStreamDefaultController(this) === false) {
+     throw defaultControllerBrandCheckException('desiredSize');
+    }
+    return ReadableStreamDefaultControllerGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamDefaultController.prototype.close = function () {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('close');
+   }
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {
+    throw new TypeError('The stream is not in a state that permits close');
+   }
+   ReadableStreamDefaultControllerClose(this);
+  };
+  ReadableStreamDefaultController.prototype.enqueue = function (chunk) {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('enqueue');
+   }
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {
+    throw new TypeError('The stream is not in a state that permits enqueue');
+   }
+   return ReadableStreamDefaultControllerEnqueue(this, chunk);
+  };
+  ReadableStreamDefaultController.prototype.error = function (e) {
+   if (IsReadableStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException('error');
+   }
+   ReadableStreamDefaultControllerError(this, e);
+  };
+  ReadableStreamDefaultController.prototype[CancelSteps] = function (reason) {
+   ResetQueue(this);
+   var result = this._cancelAlgorithm(reason);
+   ReadableStreamDefaultControllerClearAlgorithms(this);
+   return result;
+  };
+  ReadableStreamDefaultController.prototype[PullSteps] = function () {
+   var stream = this._controlledReadableStream;
+   if (this._queue.length > 0) {
+    var chunk = DequeueValue(this);
+    if (this._closeRequested === true && this._queue.length === 0) {
+     ReadableStreamDefaultControllerClearAlgorithms(this);
+     ReadableStreamClose(stream);
+    } else {
+     ReadableStreamDefaultControllerCallPullIfNeeded(this);
+    }
+    return promiseResolvedWith(ReadableStreamCreateReadResult(chunk, false, stream._reader._forAuthorCode));
+   }
+   var pendingPromise = ReadableStreamAddReadRequest(stream);
+   ReadableStreamDefaultControllerCallPullIfNeeded(this);
+   return pendingPromise;
+  };
+  return ReadableStreamDefaultController;
+ }();
+ function IsReadableStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableStream')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
+  var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
+  if (shouldPull === false) {
+   return;
+  }
+  if (controller._pulling === true) {
+   controller._pullAgain = true;
+   return;
+  }
+  controller._pulling = true;
+  var pullPromise = controller._pullAlgorithm();
+  uponPromise(pullPromise, function () {
+   controller._pulling = false;
+   if (controller._pullAgain === true) {
+    controller._pullAgain = false;
+    ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+   }
+  }, function (e) {
+   ReadableStreamDefaultControllerError(controller, e);
+  });
+ }
+ function ReadableStreamDefaultControllerShouldCallPull(controller) {
+  var stream = controller._controlledReadableStream;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) === false) {
+   return false;
+  }
+  if (controller._started === false) {
+   return false;
+  }
+  if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   return true;
+  }
+  var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
+  if (desiredSize > 0) {
+   return true;
+  }
+  return false;
+ }
+ function ReadableStreamDefaultControllerClearAlgorithms(controller) {
+  controller._pullAlgorithm = undefined;
+  controller._cancelAlgorithm = undefined;
+  controller._strategySizeAlgorithm = undefined;
+ }
+ function ReadableStreamDefaultControllerClose(controller) {
+  var stream = controller._controlledReadableStream;
+  controller._closeRequested = true;
+  if (controller._queue.length === 0) {
+   ReadableStreamDefaultControllerClearAlgorithms(controller);
+   ReadableStreamClose(stream);
+  }
+ }
+ function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledReadableStream;
+  if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   ReadableStreamFulfillReadRequest(stream, chunk, false);
+  } else {
+   var chunkSize = void 0;
+   try {
+    chunkSize = controller._strategySizeAlgorithm(chunk);
+   } catch (chunkSizeE) {
+    ReadableStreamDefaultControllerError(controller, chunkSizeE);
+    throw chunkSizeE;
+   }
+   try {
+    EnqueueValueWithSize(controller, chunk, chunkSize);
+   } catch (enqueueE) {
+    ReadableStreamDefaultControllerError(controller, enqueueE);
+    throw enqueueE;
+   }
+  }
+  ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+ }
+ function ReadableStreamDefaultControllerError(controller, e) {
+  var stream = controller._controlledReadableStream;
+  if (stream._state !== 'readable') {
+   return;
+  }
+  ResetQueue(controller);
+  ReadableStreamDefaultControllerClearAlgorithms(controller);
+  ReadableStreamError(stream, e);
+ }
+ function ReadableStreamDefaultControllerGetDesiredSize(controller) {
+  var stream = controller._controlledReadableStream;
+  var state = stream._state;
+  if (state === 'errored') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function ReadableStreamDefaultControllerHasBackpressure(controller) {
+  if (ReadableStreamDefaultControllerShouldCallPull(controller) === true) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) {
+  var state = controller._controlledReadableStream._state;
+  if (controller._closeRequested === false && state === 'readable') {
+   return true;
+  }
+  return false;
+ }
+ function SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {
+  controller._controlledReadableStream = stream;
+  controller._queue = undefined;
+  controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._started = false;
+  controller._closeRequested = false;
+  controller._pullAgain = false;
+  controller._pulling = false;
+  controller._strategySizeAlgorithm = sizeAlgorithm;
+  controller._strategyHWM = highWaterMark;
+  controller._pullAlgorithm = pullAlgorithm;
+  controller._cancelAlgorithm = cancelAlgorithm;
+  stream._readableStreamController = controller;
+  var startResult = startAlgorithm();
+  uponPromise(promiseResolvedWith(startResult), function () {
+   controller._started = true;
+   ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+  }, function (r) {
+   ReadableStreamDefaultControllerError(controller, r);
+  });
+ }
+ function SetUpReadableStreamDefaultControllerFromUnderlyingSource(stream, underlyingSource, highWaterMark, sizeAlgorithm) {
+  var controller = Object.create(ReadableStreamDefaultController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingSource, 'start', [controller]);
+  }
+  var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'pull', 0, [controller]);
+  var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'cancel', 1, []);
+  SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);
+ }
+ function defaultControllerBrandCheckException(name) {
+  return new TypeError("ReadableStreamDefaultController.prototype." + name + " can only be used on a ReadableStreamDefaultController");
+ }
+ function ReadableStreamTee(stream, cloneForBranch2) {
+  var reader = AcquireReadableStreamDefaultReader(stream);
+  var reading = false;
+  var canceled1 = false;
+  var canceled2 = false;
+  var reason1;
+  var reason2;
+  var branch1;
+  var branch2;
+  var resolveCancelPromise;
+  var cancelPromise = newPromise(function (resolve) {
+   resolveCancelPromise = resolve;
+  });
+  function pullAlgorithm() {
+   if (reading === true) {
+    return promiseResolvedWith(undefined);
+   }
+   reading = true;
+   var readPromise = transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {
+    reading = false;
+    var done = result.done;
+    if (done === true) {
+     if (canceled1 === false) {
+      ReadableStreamDefaultControllerClose(branch1._readableStreamController);
+     }
+     if (canceled2 === false) {
+      ReadableStreamDefaultControllerClose(branch2._readableStreamController);
+     }
+     return;
+    }
+    var value = result.value;
+    var value1 = value;
+    var value2 = value;
+    if (canceled1 === false) {
+     ReadableStreamDefaultControllerEnqueue(branch1._readableStreamController, value1);
+    }
+    if (canceled2 === false) {
+     ReadableStreamDefaultControllerEnqueue(branch2._readableStreamController, value2);
+    }
+   });
+   setPromiseIsHandledToTrue(readPromise);
+   return promiseResolvedWith(undefined);
+  }
+  function cancel1Algorithm(reason) {
+   canceled1 = true;
+   reason1 = reason;
+   if (canceled2 === true) {
+    var compositeReason = createArrayFromList([
+     reason1,
+     reason2
+    ]);
+    var cancelResult = ReadableStreamCancel(stream, compositeReason);
+    resolveCancelPromise(cancelResult);
+   }
+   return cancelPromise;
+  }
+  function cancel2Algorithm(reason) {
+   canceled2 = true;
+   reason2 = reason;
+   if (canceled1 === true) {
+    var compositeReason = createArrayFromList([
+     reason1,
+     reason2
+    ]);
+    var cancelResult = ReadableStreamCancel(stream, compositeReason);
+    resolveCancelPromise(cancelResult);
+   }
+   return cancelPromise;
+  }
+  function startAlgorithm() {
+  }
+  branch1 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel1Algorithm);
+  branch2 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel2Algorithm);
+  uponRejection(reader._closedPromise, function (r) {
+   ReadableStreamDefaultControllerError(branch1._readableStreamController, r);
+   ReadableStreamDefaultControllerError(branch2._readableStreamController, r);
+  });
+  return [
+   branch1,
+   branch2
+  ];
+ }
+ var NumberIsInteger = Number.isInteger || function (value) {
+  return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
+ };
+ var ReadableStreamBYOBRequest = function () {
+  function ReadableStreamBYOBRequest() {
+   throw new TypeError('ReadableStreamBYOBRequest cannot be used directly');
+  }
+  Object.defineProperty(ReadableStreamBYOBRequest.prototype, "view", {
+   get: function () {
+    if (IsReadableStreamBYOBRequest(this) === false) {
+     throw byobRequestBrandCheckException('view');
+    }
+    return this._view;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamBYOBRequest.prototype.respond = function (bytesWritten) {
+   if (IsReadableStreamBYOBRequest(this) === false) {
+    throw byobRequestBrandCheckException('respond');
+   }
+   if (this._associatedReadableByteStreamController === undefined) {
+    throw new TypeError('This BYOB request has been invalidated');
+   }
+   if (IsDetachedBuffer(this._view.buffer) === true);
+   ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
+  };
+  ReadableStreamBYOBRequest.prototype.respondWithNewView = function (view) {
+   if (IsReadableStreamBYOBRequest(this) === false) {
+    throw byobRequestBrandCheckException('respond');
+   }
+   if (this._associatedReadableByteStreamController === undefined) {
+    throw new TypeError('This BYOB request has been invalidated');
+   }
+   if (!ArrayBuffer.isView(view)) {
+    throw new TypeError('You can only respond with array buffer views');
+   }
+   if (IsDetachedBuffer(view.buffer) === true);
+   ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
+  };
+  return ReadableStreamBYOBRequest;
+ }();
+ var ReadableByteStreamController = function () {
+  function ReadableByteStreamController() {
+   throw new TypeError('ReadableByteStreamController constructor cannot be used directly');
+  }
+  Object.defineProperty(ReadableByteStreamController.prototype, "byobRequest", {
+   get: function () {
+    if (IsReadableByteStreamController(this) === false) {
+     throw byteStreamControllerBrandCheckException('byobRequest');
+    }
+    if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
+     var firstDescriptor = this._pendingPullIntos.peek();
+     var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
+     var byobRequest = Object.create(ReadableStreamBYOBRequest.prototype);
+     SetUpReadableStreamBYOBRequest(byobRequest, this, view);
+     this._byobRequest = byobRequest;
+    }
+    return this._byobRequest;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(ReadableByteStreamController.prototype, "desiredSize", {
+   get: function () {
+    if (IsReadableByteStreamController(this) === false) {
+     throw byteStreamControllerBrandCheckException('desiredSize');
+    }
+    return ReadableByteStreamControllerGetDesiredSize(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableByteStreamController.prototype.close = function () {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('close');
+   }
+   if (this._closeRequested === true) {
+    throw new TypeError('The stream has already been closed; do not close it again!');
+   }
+   var state = this._controlledReadableByteStream._state;
+   if (state !== 'readable') {
+    throw new TypeError("The stream (in " + state + " state) is not in the readable state and cannot be closed");
+   }
+   ReadableByteStreamControllerClose(this);
+  };
+  ReadableByteStreamController.prototype.enqueue = function (chunk) {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('enqueue');
+   }
+   if (this._closeRequested === true) {
+    throw new TypeError('stream is closed or draining');
+   }
+   var state = this._controlledReadableByteStream._state;
+   if (state !== 'readable') {
+    throw new TypeError("The stream (in " + state + " state) is not in the readable state and cannot be enqueued to");
+   }
+   if (!ArrayBuffer.isView(chunk)) {
+    throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
+   }
+   if (IsDetachedBuffer(chunk.buffer) === true);
+   ReadableByteStreamControllerEnqueue(this, chunk);
+  };
+  ReadableByteStreamController.prototype.error = function (e) {
+   if (IsReadableByteStreamController(this) === false) {
+    throw byteStreamControllerBrandCheckException('error');
+   }
+   ReadableByteStreamControllerError(this, e);
+  };
+  ReadableByteStreamController.prototype[CancelSteps] = function (reason) {
+   if (this._pendingPullIntos.length > 0) {
+    var firstDescriptor = this._pendingPullIntos.peek();
+    firstDescriptor.bytesFilled = 0;
+   }
+   ResetQueue(this);
+   var result = this._cancelAlgorithm(reason);
+   ReadableByteStreamControllerClearAlgorithms(this);
+   return result;
+  };
+  ReadableByteStreamController.prototype[PullSteps] = function () {
+   var stream = this._controlledReadableByteStream;
+   if (this._queueTotalSize > 0) {
+    var entry = this._queue.shift();
+    this._queueTotalSize -= entry.byteLength;
+    ReadableByteStreamControllerHandleQueueDrain(this);
+    var view = void 0;
+    try {
+     view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
+    } catch (viewE) {
+     return promiseRejectedWith(viewE);
+    }
+    return promiseResolvedWith(ReadableStreamCreateReadResult(view, false, stream._reader._forAuthorCode));
+   }
+   var autoAllocateChunkSize = this._autoAllocateChunkSize;
+   if (autoAllocateChunkSize !== undefined) {
+    var buffer = void 0;
+    try {
+     buffer = new ArrayBuffer(autoAllocateChunkSize);
+    } catch (bufferE) {
+     return promiseRejectedWith(bufferE);
+    }
+    var pullIntoDescriptor = {
+     buffer: buffer,
+     byteOffset: 0,
+     byteLength: autoAllocateChunkSize,
+     bytesFilled: 0,
+     elementSize: 1,
+     ctor: Uint8Array,
+     readerType: 'default'
+    };
+    this._pendingPullIntos.push(pullIntoDescriptor);
+   }
+   var promise = ReadableStreamAddReadRequest(stream);
+   ReadableByteStreamControllerCallPullIfNeeded(this);
+   return promise;
+  };
+  return ReadableByteStreamController;
+ }();
+ function IsReadableByteStreamController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableByteStream')) {
+   return false;
+  }
+  return true;
+ }
+ function IsReadableStreamBYOBRequest(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableByteStreamControllerCallPullIfNeeded(controller) {
+  var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
+  if (shouldPull === false) {
+   return;
+  }
+  if (controller._pulling === true) {
+   controller._pullAgain = true;
+   return;
+  }
+  controller._pulling = true;
+  var pullPromise = controller._pullAlgorithm();
+  uponPromise(pullPromise, function () {
+   controller._pulling = false;
+   if (controller._pullAgain === true) {
+    controller._pullAgain = false;
+    ReadableByteStreamControllerCallPullIfNeeded(controller);
+   }
+  }, function (e) {
+   ReadableByteStreamControllerError(controller, e);
+  });
+ }
+ function ReadableByteStreamControllerClearPendingPullIntos(controller) {
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  controller._pendingPullIntos = new SimpleQueue();
+ }
+ function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
+  var done = false;
+  if (stream._state === 'closed') {
+   done = true;
+  }
+  var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+  if (pullIntoDescriptor.readerType === 'default') {
+   ReadableStreamFulfillReadRequest(stream, filledView, done);
+  } else {
+   ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
+  }
+ }
+ function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
+  var bytesFilled = pullIntoDescriptor.bytesFilled;
+  var elementSize = pullIntoDescriptor.elementSize;
+  return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
+ }
+ function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
+  controller._queue.push({
+   buffer: buffer,
+   byteOffset: byteOffset,
+   byteLength: byteLength
+  });
+  controller._queueTotalSize += byteLength;
+ }
+ function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
+  var elementSize = pullIntoDescriptor.elementSize;
+  var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
+  var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
+  var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
+  var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
+  var totalBytesToCopyRemaining = maxBytesToCopy;
+  var ready = false;
+  if (maxAlignedBytes > currentAlignedBytes) {
+   totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
+   ready = true;
+  }
+  var queue = controller._queue;
+  while (totalBytesToCopyRemaining > 0) {
+   var headOfQueue = queue.peek();
+   var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
+   var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+   ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
+   if (headOfQueue.byteLength === bytesToCopy) {
+    queue.shift();
+   } else {
+    headOfQueue.byteOffset += bytesToCopy;
+    headOfQueue.byteLength -= bytesToCopy;
+   }
+   controller._queueTotalSize -= bytesToCopy;
+   ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
+   totalBytesToCopyRemaining -= bytesToCopy;
+  }
+  return ready;
+ }
+ function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  pullIntoDescriptor.bytesFilled += size;
+ }
+ function ReadableByteStreamControllerHandleQueueDrain(controller) {
+  if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
+   ReadableByteStreamControllerClearAlgorithms(controller);
+   ReadableStreamClose(controller._controlledReadableByteStream);
+  } else {
+   ReadableByteStreamControllerCallPullIfNeeded(controller);
+  }
+ }
+ function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
+  if (controller._byobRequest === undefined) {
+   return;
+  }
+  controller._byobRequest._associatedReadableByteStreamController = undefined;
+  controller._byobRequest._view = undefined;
+  controller._byobRequest = undefined;
+ }
+ function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
+  while (controller._pendingPullIntos.length > 0) {
+   if (controller._queueTotalSize === 0) {
+    return;
+   }
+   var pullIntoDescriptor = controller._pendingPullIntos.peek();
+   if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+    ReadableByteStreamControllerShiftPendingPullInto(controller);
+    ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);
+   }
+  }
+ }
+ function ReadableByteStreamControllerPullInto(controller, view) {
+  var stream = controller._controlledReadableByteStream;
+  var elementSize = 1;
+  if (view.constructor !== DataView) {
+   elementSize = view.constructor.BYTES_PER_ELEMENT;
+  }
+  var ctor = view.constructor;
+  var buffer = TransferArrayBuffer(view.buffer);
+  var pullIntoDescriptor = {
+   buffer: buffer,
+   byteOffset: view.byteOffset,
+   byteLength: view.byteLength,
+   bytesFilled: 0,
+   elementSize: elementSize,
+   ctor: ctor,
+   readerType: 'byob'
+  };
+  if (controller._pendingPullIntos.length > 0) {
+   controller._pendingPullIntos.push(pullIntoDescriptor);
+   return ReadableStreamAddReadIntoRequest(stream);
+  }
+  if (stream._state === 'closed') {
+   var emptyView = new ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
+   return promiseResolvedWith(ReadableStreamCreateReadResult(emptyView, true, stream._reader._forAuthorCode));
+  }
+  if (controller._queueTotalSize > 0) {
+   if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+    var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+    ReadableByteStreamControllerHandleQueueDrain(controller);
+    return promiseResolvedWith(ReadableStreamCreateReadResult(filledView, false, stream._reader._forAuthorCode));
+   }
+   if (controller._closeRequested === true) {
+    var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+    ReadableByteStreamControllerError(controller, e);
+    return promiseRejectedWith(e);
+   }
+  }
+  controller._pendingPullIntos.push(pullIntoDescriptor);
+  var promise = ReadableStreamAddReadIntoRequest(stream);
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+  return promise;
+ }
+ function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
+  firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
+  var stream = controller._controlledReadableByteStream;
+  if (ReadableStreamHasBYOBReader(stream) === true) {
+   while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+    var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
+    ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
+   }
+  }
+ }
+ function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
+  if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
+   throw new RangeError('bytesWritten out of range');
+  }
+  ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
+  if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
+   return;
+  }
+  ReadableByteStreamControllerShiftPendingPullInto(controller);
+  var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
+  if (remainderSize > 0) {
+   var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+   var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
+  }
+  pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
+  pullIntoDescriptor.bytesFilled -= remainderSize;
+  ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);
+  ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+ }
+ function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
+  var firstDescriptor = controller._pendingPullIntos.peek();
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state === 'closed') {
+   if (bytesWritten !== 0) {
+    throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
+   }
+   ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
+  } else {
+   ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
+  }
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+ }
+ function ReadableByteStreamControllerShiftPendingPullInto(controller) {
+  var descriptor = controller._pendingPullIntos.shift();
+  ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+  return descriptor;
+ }
+ function ReadableByteStreamControllerShouldCallPull(controller) {
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state !== 'readable') {
+   return false;
+  }
+  if (controller._closeRequested === true) {
+   return false;
+  }
+  if (controller._started === false) {
+   return false;
+  }
+  if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+   return true;
+  }
+  if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+   return true;
+  }
+  var desiredSize = ReadableByteStreamControllerGetDesiredSize(controller);
+  if (desiredSize > 0) {
+   return true;
+  }
+  return false;
+ }
+ function ReadableByteStreamControllerClearAlgorithms(controller) {
+  controller._pullAlgorithm = undefined;
+  controller._cancelAlgorithm = undefined;
+ }
+ function ReadableByteStreamControllerClose(controller) {
+  var stream = controller._controlledReadableByteStream;
+  if (controller._queueTotalSize > 0) {
+   controller._closeRequested = true;
+   return;
+  }
+  if (controller._pendingPullIntos.length > 0) {
+   var firstPendingPullInto = controller._pendingPullIntos.peek();
+   if (firstPendingPullInto.bytesFilled > 0) {
+    var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+    ReadableByteStreamControllerError(controller, e);
+    throw e;
+   }
+  }
+  ReadableByteStreamControllerClearAlgorithms(controller);
+  ReadableStreamClose(stream);
+ }
+ function ReadableByteStreamControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledReadableByteStream;
+  var buffer = chunk.buffer;
+  var byteOffset = chunk.byteOffset;
+  var byteLength = chunk.byteLength;
+  var transferredBuffer = TransferArrayBuffer(buffer);
+  if (ReadableStreamHasDefaultReader(stream) === true) {
+   if (ReadableStreamGetNumReadRequests(stream) === 0) {
+    ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+   } else {
+    var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
+    ReadableStreamFulfillReadRequest(stream, transferredView, false);
+   }
+  } else if (ReadableStreamHasBYOBReader(stream) === true) {
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+   ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+  } else {
+   ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+  }
+  ReadableByteStreamControllerCallPullIfNeeded(controller);
+ }
+ function ReadableByteStreamControllerError(controller, e) {
+  var stream = controller._controlledReadableByteStream;
+  if (stream._state !== 'readable') {
+   return;
+  }
+  ReadableByteStreamControllerClearPendingPullIntos(controller);
+  ResetQueue(controller);
+  ReadableByteStreamControllerClearAlgorithms(controller);
+  ReadableStreamError(stream, e);
+ }
+ function ReadableByteStreamControllerGetDesiredSize(controller) {
+  var stream = controller._controlledReadableByteStream;
+  var state = stream._state;
+  if (state === 'errored') {
+   return null;
+  }
+  if (state === 'closed') {
+   return 0;
+  }
+  return controller._strategyHWM - controller._queueTotalSize;
+ }
+ function ReadableByteStreamControllerRespond(controller, bytesWritten) {
+  bytesWritten = Number(bytesWritten);
+  if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
+   throw new RangeError('bytesWritten must be a finite');
+  }
+  ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
+ }
+ function ReadableByteStreamControllerRespondWithNewView(controller, view) {
+  var firstDescriptor = controller._pendingPullIntos.peek();
+  if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
+   throw new RangeError('The region specified by view does not match byobRequest');
+  }
+  if (firstDescriptor.byteLength !== view.byteLength) {
+   throw new RangeError('The buffer of view has different capacity than byobRequest');
+  }
+  firstDescriptor.buffer = view.buffer;
+  ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
+ }
+ function SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize) {
+  controller._controlledReadableByteStream = stream;
+  controller._pullAgain = false;
+  controller._pulling = false;
+  controller._byobRequest = undefined;
+  controller._queue = controller._queueTotalSize = undefined;
+  ResetQueue(controller);
+  controller._closeRequested = false;
+  controller._started = false;
+  controller._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
+  controller._pullAlgorithm = pullAlgorithm;
+  controller._cancelAlgorithm = cancelAlgorithm;
+  controller._autoAllocateChunkSize = autoAllocateChunkSize;
+  controller._pendingPullIntos = new SimpleQueue();
+  stream._readableStreamController = controller;
+  var startResult = startAlgorithm();
+  uponPromise(promiseResolvedWith(startResult), function () {
+   controller._started = true;
+   ReadableByteStreamControllerCallPullIfNeeded(controller);
+  }, function (r) {
+   ReadableByteStreamControllerError(controller, r);
+  });
+ }
+ function SetUpReadableByteStreamControllerFromUnderlyingSource(stream, underlyingByteSource, highWaterMark) {
+  var controller = Object.create(ReadableByteStreamController.prototype);
+  function startAlgorithm() {
+   return InvokeOrNoop(underlyingByteSource, 'start', [controller]);
+  }
+  var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'pull', 0, [controller]);
+  var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'cancel', 1, []);
+  var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
+  if (autoAllocateChunkSize !== undefined) {
+   autoAllocateChunkSize = Number(autoAllocateChunkSize);
+   if (NumberIsInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
+    throw new RangeError('autoAllocateChunkSize must be a positive integer');
+   }
+  }
+  SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize);
+ }
+ function SetUpReadableStreamBYOBRequest(request, controller, view) {
+  request._associatedReadableByteStreamController = controller;
+  request._view = view;
+ }
+ function byobRequestBrandCheckException(name) {
+  return new TypeError("ReadableStreamBYOBRequest.prototype." + name + " can only be used on a ReadableStreamBYOBRequest");
+ }
+ function byteStreamControllerBrandCheckException(name) {
+  return new TypeError("ReadableByteStreamController.prototype." + name + " can only be used on a ReadableByteStreamController");
+ }
+ function AcquireReadableStreamBYOBReader(stream, forAuthorCode) {
+  if (forAuthorCode === void 0) {
+   forAuthorCode = false;
+  }
+  var reader = new ReadableStreamBYOBReader(stream);
+  reader._forAuthorCode = forAuthorCode;
+  return reader;
+ }
+ function ReadableStreamAddReadIntoRequest(stream) {
+  var promise = newPromise(function (resolve, reject) {
+   var readIntoRequest = {
+    _resolve: resolve,
+    _reject: reject
+   };
+   stream._reader._readIntoRequests.push(readIntoRequest);
+  });
+  return promise;
+ }
+ function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
+  var reader = stream._reader;
+  var readIntoRequest = reader._readIntoRequests.shift();
+  readIntoRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));
+ }
+ function ReadableStreamGetNumReadIntoRequests(stream) {
+  return stream._reader._readIntoRequests.length;
+ }
+ function ReadableStreamHasBYOBReader(stream) {
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return false;
+  }
+  if (!IsReadableStreamBYOBReader(reader)) {
+   return false;
+  }
+  return true;
+ }
+ var ReadableStreamBYOBReader = function () {
+  function ReadableStreamBYOBReader(stream) {
+   if (!IsReadableStream(stream)) {
+    throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
+   }
+   if (IsReadableByteStreamController(stream._readableStreamController) === false) {
+    throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
+   }
+   if (IsReadableStreamLocked(stream)) {
+    throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+   }
+   ReadableStreamReaderGenericInitialize(this, stream);
+   this._readIntoRequests = new SimpleQueue();
+  }
+  Object.defineProperty(ReadableStreamBYOBReader.prototype, "closed", {
+   get: function () {
+    if (!IsReadableStreamBYOBReader(this)) {
+     return promiseRejectedWith(byobReaderBrandCheckException('closed'));
+    }
+    return this._closedPromise;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStreamBYOBReader.prototype.cancel = function (reason) {
+   if (!IsReadableStreamBYOBReader(this)) {
+    return promiseRejectedWith(byobReaderBrandCheckException('cancel'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('cancel'));
+   }
+   return ReadableStreamReaderGenericCancel(this, reason);
+  };
+  ReadableStreamBYOBReader.prototype.read = function (view) {
+   if (!IsReadableStreamBYOBReader(this)) {
+    return promiseRejectedWith(byobReaderBrandCheckException('read'));
+   }
+   if (this._ownerReadableStream === undefined) {
+    return promiseRejectedWith(readerLockException('read from'));
+   }
+   if (!ArrayBuffer.isView(view)) {
+    return promiseRejectedWith(new TypeError('view must be an array buffer view'));
+   }
+   if (IsDetachedBuffer(view.buffer) === true);
+   if (view.byteLength === 0) {
+    return promiseRejectedWith(new TypeError('view must have non-zero byteLength'));
+   }
+   return ReadableStreamBYOBReaderRead(this, view);
+  };
+  ReadableStreamBYOBReader.prototype.releaseLock = function () {
+   if (!IsReadableStreamBYOBReader(this)) {
+    throw byobReaderBrandCheckException('releaseLock');
+   }
+   if (this._ownerReadableStream === undefined) {
+    return;
+   }
+   if (this._readIntoRequests.length > 0) {
+    throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+   }
+   ReadableStreamReaderGenericRelease(this);
+  };
+  return ReadableStreamBYOBReader;
+ }();
+ function IsReadableStreamBYOBReader(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamBYOBReaderRead(reader, view) {
+  var stream = reader._ownerReadableStream;
+  stream._disturbed = true;
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
+ }
+ function byobReaderBrandCheckException(name) {
+  return new TypeError("ReadableStreamBYOBReader.prototype." + name + " can only be used on a ReadableStreamBYOBReader");
+ }
+ var ReadableStream = function () {
+  function ReadableStream(underlyingSource, strategy) {
+   if (underlyingSource === void 0) {
+    underlyingSource = {};
+   }
+   if (strategy === void 0) {
+    strategy = {};
+   }
+   InitializeReadableStream(this);
+   var size = strategy.size;
+   var highWaterMark = strategy.highWaterMark;
+   var type = underlyingSource.type;
+   var typeString = String(type);
+   if (typeString === 'bytes') {
+    if (size !== undefined) {
+     throw new RangeError('The strategy for a byte stream cannot have a size function');
+    }
+    if (highWaterMark === undefined) {
+     highWaterMark = 0;
+    }
+    highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+    SetUpReadableByteStreamControllerFromUnderlyingSource(this, underlyingSource, highWaterMark);
+   } else if (type === undefined) {
+    var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);
+    if (highWaterMark === undefined) {
+     highWaterMark = 1;
+    }
+    highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);
+    SetUpReadableStreamDefaultControllerFromUnderlyingSource(this, underlyingSource, highWaterMark, sizeAlgorithm);
+   } else {
+    throw new RangeError('Invalid type is specified');
+   }
+  }
+  Object.defineProperty(ReadableStream.prototype, "locked", {
+   get: function () {
+    if (IsReadableStream(this) === false) {
+     throw streamBrandCheckException$1('locked');
+    }
+    return IsReadableStreamLocked(this);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  ReadableStream.prototype.cancel = function (reason) {
+   if (IsReadableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException$1('cancel'));
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('Cannot cancel a stream that already has a reader'));
+   }
+   return ReadableStreamCancel(this, reason);
+  };
+  ReadableStream.prototype.getReader = function (_a) {
+   var mode = (_a === void 0 ? {} : _a).mode;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('getReader');
+   }
+   if (mode === undefined) {
+    return AcquireReadableStreamDefaultReader(this, true);
+   }
+   mode = String(mode);
+   if (mode === 'byob') {
+    return AcquireReadableStreamBYOBReader(this, true);
+   }
+   throw new RangeError('Invalid mode is specified');
+  };
+  ReadableStream.prototype.pipeThrough = function (_a, _b) {
+   var writable = _a.writable, readable = _a.readable;
+   var _c = _b === void 0 ? {} : _b, preventClose = _c.preventClose, preventAbort = _c.preventAbort, preventCancel = _c.preventCancel, signal = _c.signal;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('pipeThrough');
+   }
+   if (IsWritableStream(writable) === false) {
+    throw new TypeError('writable argument to pipeThrough must be a WritableStream');
+   }
+   if (IsReadableStream(readable) === false) {
+    throw new TypeError('readable argument to pipeThrough must be a ReadableStream');
+   }
+   preventClose = Boolean(preventClose);
+   preventAbort = Boolean(preventAbort);
+   preventCancel = Boolean(preventCancel);
+   if (signal !== undefined && !isAbortSignal(signal)) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough\'s signal option must be an AbortSignal');
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream');
+   }
+   if (IsWritableStreamLocked(writable) === true) {
+    throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream');
+   }
+   var promise = ReadableStreamPipeTo(this, writable, preventClose, preventAbort, preventCancel, signal);
+   setPromiseIsHandledToTrue(promise);
+   return readable;
+  };
+  ReadableStream.prototype.pipeTo = function (dest, _a) {
+   var _b = _a === void 0 ? {} : _a, preventClose = _b.preventClose, preventAbort = _b.preventAbort, preventCancel = _b.preventCancel, signal = _b.signal;
+   if (IsReadableStream(this) === false) {
+    return promiseRejectedWith(streamBrandCheckException$1('pipeTo'));
+   }
+   if (IsWritableStream(dest) === false) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
+   }
+   preventClose = Boolean(preventClose);
+   preventAbort = Boolean(preventAbort);
+   preventCancel = Boolean(preventCancel);
+   if (signal !== undefined && !isAbortSignal(signal)) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\'s signal option must be an AbortSignal'));
+   }
+   if (IsReadableStreamLocked(this) === true) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
+   }
+   if (IsWritableStreamLocked(dest) === true) {
+    return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
+   }
+   return ReadableStreamPipeTo(this, dest, preventClose, preventAbort, preventCancel, signal);
+  };
+  ReadableStream.prototype.tee = function () {
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('tee');
+   }
+   var branches = ReadableStreamTee(this);
+   return createArrayFromList(branches);
+  };
+  ReadableStream.prototype.getIterator = function (_a) {
+   var _b = (_a === void 0 ? {} : _a).preventCancel, preventCancel = _b === void 0 ? false : _b;
+   if (IsReadableStream(this) === false) {
+    throw streamBrandCheckException$1('getIterator');
+   }
+   return AcquireReadableStreamAsyncIterator(this, preventCancel);
+  };
+  return ReadableStream;
+ }();
+ if (typeof SymbolPolyfill.asyncIterator === 'symbol') {
+  Object.defineProperty(ReadableStream.prototype, SymbolPolyfill.asyncIterator, {
+   value: ReadableStream.prototype.getIterator,
+   enumerable: false,
+   writable: true,
+   configurable: true
+  });
+ }
+ function CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {
+  if (highWaterMark === void 0) {
+   highWaterMark = 1;
+  }
+  if (sizeAlgorithm === void 0) {
+   sizeAlgorithm = function () {
+    return 1;
+   };
+  }
+  var stream = Object.create(ReadableStream.prototype);
+  InitializeReadableStream(stream);
+  var controller = Object.create(ReadableStreamDefaultController.prototype);
+  SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);
+  return stream;
+ }
+ function InitializeReadableStream(stream) {
+  stream._state = 'readable';
+  stream._reader = undefined;
+  stream._storedError = undefined;
+  stream._disturbed = false;
+ }
+ function IsReadableStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function IsReadableStreamLocked(stream) {
+  if (stream._reader === undefined) {
+   return false;
+  }
+  return true;
+ }
+ function ReadableStreamCancel(stream, reason) {
+  stream._disturbed = true;
+  if (stream._state === 'closed') {
+   return promiseResolvedWith(undefined);
+  }
+  if (stream._state === 'errored') {
+   return promiseRejectedWith(stream._storedError);
+  }
+  ReadableStreamClose(stream);
+  var sourceCancelPromise = stream._readableStreamController[CancelSteps](reason);
+  return transformPromiseWith(sourceCancelPromise, noop);
+ }
+ function ReadableStreamClose(stream) {
+  stream._state = 'closed';
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return;
+  }
+  if (IsReadableStreamDefaultReader(reader)) {
+   reader._readRequests.forEach(function (readRequest) {
+    readRequest._resolve(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));
+   });
+   reader._readRequests = new SimpleQueue();
+  }
+  defaultReaderClosedPromiseResolve(reader);
+ }
+ function ReadableStreamError(stream, e) {
+  stream._state = 'errored';
+  stream._storedError = e;
+  var reader = stream._reader;
+  if (reader === undefined) {
+   return;
+  }
+  if (IsReadableStreamDefaultReader(reader)) {
+   reader._readRequests.forEach(function (readRequest) {
+    readRequest._reject(e);
+   });
+   reader._readRequests = new SimpleQueue();
+  } else {
+   reader._readIntoRequests.forEach(function (readIntoRequest) {
+    readIntoRequest._reject(e);
+   });
+   reader._readIntoRequests = new SimpleQueue();
+  }
+  defaultReaderClosedPromiseReject(reader, e);
+ }
+ function streamBrandCheckException$1(name) {
+  return new TypeError("ReadableStream.prototype." + name + " can only be used on a ReadableStream");
+ }
+ var ByteLengthQueuingStrategy = function () {
+  function ByteLengthQueuingStrategy(_a) {
+   var highWaterMark = _a.highWaterMark;
+   this.highWaterMark = highWaterMark;
+  }
+  ByteLengthQueuingStrategy.prototype.size = function (chunk) {
+   return chunk.byteLength;
+  };
+  return ByteLengthQueuingStrategy;
+ }();
+ var CountQueuingStrategy = function () {
+  function CountQueuingStrategy(_a) {
+   var highWaterMark = _a.highWaterMark;
+   this.highWaterMark = highWaterMark;
+  }
+  CountQueuingStrategy.prototype.size = function () {
+   return 1;
+  };
+  return CountQueuingStrategy;
+ }();
+ var TransformStream = function () {
+  function TransformStream(transformer, writableStrategy, readableStrategy) {
+   if (transformer === void 0) {
+    transformer = {};
+   }
+   if (writableStrategy === void 0) {
+    writableStrategy = {};
+   }
+   if (readableStrategy === void 0) {
+    readableStrategy = {};
+   }
+   var writableSizeFunction = writableStrategy.size;
+   var writableHighWaterMark = writableStrategy.highWaterMark;
+   var readableSizeFunction = readableStrategy.size;
+   var readableHighWaterMark = readableStrategy.highWaterMark;
+   var writableType = transformer.writableType;
+   if (writableType !== undefined) {
+    throw new RangeError('Invalid writable type specified');
+   }
+   var writableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(writableSizeFunction);
+   if (writableHighWaterMark === undefined) {
+    writableHighWaterMark = 1;
+   }
+   writableHighWaterMark = ValidateAndNormalizeHighWaterMark(writableHighWaterMark);
+   var readableType = transformer.readableType;
+   if (readableType !== undefined) {
+    throw new RangeError('Invalid readable type specified');
+   }
+   var readableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(readableSizeFunction);
+   if (readableHighWaterMark === undefined) {
+    readableHighWaterMark = 0;
+   }
+   readableHighWaterMark = ValidateAndNormalizeHighWaterMark(readableHighWaterMark);
+   var startPromise_resolve;
+   var startPromise = newPromise(function (resolve) {
+    startPromise_resolve = resolve;
+   });
+   InitializeTransformStream(this, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm);
+   SetUpTransformStreamDefaultControllerFromTransformer(this, transformer);
+   var startResult = InvokeOrNoop(transformer, 'start', [this._transformStreamController]);
+   startPromise_resolve(startResult);
+  }
+  Object.defineProperty(TransformStream.prototype, "readable", {
+   get: function () {
+    if (IsTransformStream(this) === false) {
+     throw streamBrandCheckException$2('readable');
+    }
+    return this._readable;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  Object.defineProperty(TransformStream.prototype, "writable", {
+   get: function () {
+    if (IsTransformStream(this) === false) {
+     throw streamBrandCheckException$2('writable');
+    }
+    return this._writable;
+   },
+   enumerable: true,
+   configurable: true
+  });
+  return TransformStream;
+ }();
+ function InitializeTransformStream(stream, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm) {
+  function startAlgorithm() {
+   return startPromise;
+  }
+  function writeAlgorithm(chunk) {
+   return TransformStreamDefaultSinkWriteAlgorithm(stream, chunk);
+  }
+  function abortAlgorithm(reason) {
+   return TransformStreamDefaultSinkAbortAlgorithm(stream, reason);
+  }
+  function closeAlgorithm() {
+   return TransformStreamDefaultSinkCloseAlgorithm(stream);
+  }
+  stream._writable = CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, writableHighWaterMark, writableSizeAlgorithm);
+  function pullAlgorithm() {
+   return TransformStreamDefaultSourcePullAlgorithm(stream);
+  }
+  function cancelAlgorithm(reason) {
+   TransformStreamErrorWritableAndUnblockWrite(stream, reason);
+   return promiseResolvedWith(undefined);
+  }
+  stream._readable = CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, readableHighWaterMark, readableSizeAlgorithm);
+  stream._backpressure = undefined;
+  stream._backpressureChangePromise = undefined;
+  stream._backpressureChangePromise_resolve = undefined;
+  TransformStreamSetBackpressure(stream, true);
+  stream._transformStreamController = undefined;
+ }
+ function IsTransformStream(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
+   return false;
+  }
+  return true;
+ }
+ function TransformStreamError(stream, e) {
+  ReadableStreamDefaultControllerError(stream._readable._readableStreamController, e);
+  TransformStreamErrorWritableAndUnblockWrite(stream, e);
+ }
+ function TransformStreamErrorWritableAndUnblockWrite(stream, e) {
+  TransformStreamDefaultControllerClearAlgorithms(stream._transformStreamController);
+  WritableStreamDefaultControllerErrorIfNeeded(stream._writable._writableStreamController, e);
+  if (stream._backpressure === true) {
+   TransformStreamSetBackpressure(stream, false);
+  }
+ }
+ function TransformStreamSetBackpressure(stream, backpressure) {
+  if (stream._backpressureChangePromise !== undefined) {
+   stream._backpressureChangePromise_resolve();
+  }
+  stream._backpressureChangePromise = newPromise(function (resolve) {
+   stream._backpressureChangePromise_resolve = resolve;
+  });
+  stream._backpressure = backpressure;
+ }
+ var TransformStreamDefaultController = function () {
+  function TransformStreamDefaultController() {
+   throw new TypeError('TransformStreamDefaultController instances cannot be created directly');
+  }
+  Object.defineProperty(TransformStreamDefaultController.prototype, "desiredSize", {
+   get: function () {
+    if (IsTransformStreamDefaultController(this) === false) {
+     throw defaultControllerBrandCheckException$1('desiredSize');
+    }
+    var readableController = this._controlledTransformStream._readable._readableStreamController;
+    return ReadableStreamDefaultControllerGetDesiredSize(readableController);
+   },
+   enumerable: true,
+   configurable: true
+  });
+  TransformStreamDefaultController.prototype.enqueue = function (chunk) {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('enqueue');
+   }
+   TransformStreamDefaultControllerEnqueue(this, chunk);
+  };
+  TransformStreamDefaultController.prototype.error = function (reason) {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('error');
+   }
+   TransformStreamDefaultControllerError(this, reason);
+  };
+  TransformStreamDefaultController.prototype.terminate = function () {
+   if (IsTransformStreamDefaultController(this) === false) {
+    throw defaultControllerBrandCheckException$1('terminate');
+   }
+   TransformStreamDefaultControllerTerminate(this);
+  };
+  return TransformStreamDefaultController;
+ }();
+ function IsTransformStreamDefaultController(x) {
+  if (!typeIsObject(x)) {
+   return false;
+  }
+  if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
+   return false;
+  }
+  return true;
+ }
+ function SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm) {
+  controller._controlledTransformStream = stream;
+  stream._transformStreamController = controller;
+  controller._transformAlgorithm = transformAlgorithm;
+  controller._flushAlgorithm = flushAlgorithm;
+ }
+ function SetUpTransformStreamDefaultControllerFromTransformer(stream, transformer) {
+  var controller = Object.create(TransformStreamDefaultController.prototype);
+  var transformAlgorithm = function (chunk) {
+   try {
+    TransformStreamDefaultControllerEnqueue(controller, chunk);
+    return promiseResolvedWith(undefined);
+   } catch (transformResultE) {
+    return promiseRejectedWith(transformResultE);
+   }
+  };
+  var transformMethod = transformer.transform;
+  if (transformMethod !== undefined) {
+   if (typeof transformMethod !== 'function') {
+    throw new TypeError('transform is not a method');
+   }
+   transformAlgorithm = function (chunk) {
+    return PromiseCall(transformMethod, transformer, [
+     chunk,
+     controller
+    ]);
+   };
+  }
+  var flushAlgorithm = CreateAlgorithmFromUnderlyingMethod(transformer, 'flush', 0, [controller]);
+  SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm);
+ }
+ function TransformStreamDefaultControllerClearAlgorithms(controller) {
+  controller._transformAlgorithm = undefined;
+  controller._flushAlgorithm = undefined;
+ }
+ function TransformStreamDefaultControllerEnqueue(controller, chunk) {
+  var stream = controller._controlledTransformStream;
+  var readableController = stream._readable._readableStreamController;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === false) {
+   throw new TypeError('Readable side is not in a state that permits enqueue');
+  }
+  try {
+   ReadableStreamDefaultControllerEnqueue(readableController, chunk);
+  } catch (e) {
+   TransformStreamErrorWritableAndUnblockWrite(stream, e);
+   throw stream._readable._storedError;
+  }
+  var backpressure = ReadableStreamDefaultControllerHasBackpressure(readableController);
+  if (backpressure !== stream._backpressure) {
+   TransformStreamSetBackpressure(stream, true);
+  }
+ }
+ function TransformStreamDefaultControllerError(controller, e) {
+  TransformStreamError(controller._controlledTransformStream, e);
+ }
+ function TransformStreamDefaultControllerPerformTransform(controller, chunk) {
+  var transformPromise = controller._transformAlgorithm(chunk);
+  return transformPromiseWith(transformPromise, undefined, function (r) {
+   TransformStreamError(controller._controlledTransformStream, r);
+   throw r;
+  });
+ }
+ function TransformStreamDefaultControllerTerminate(controller) {
+  var stream = controller._controlledTransformStream;
+  var readableController = stream._readable._readableStreamController;
+  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {
+   ReadableStreamDefaultControllerClose(readableController);
+  }
+  var error = new TypeError('TransformStream terminated');
+  TransformStreamErrorWritableAndUnblockWrite(stream, error);
+ }
+ function TransformStreamDefaultSinkWriteAlgorithm(stream, chunk) {
+  var controller = stream._transformStreamController;
+  if (stream._backpressure === true) {
+   var backpressureChangePromise = stream._backpressureChangePromise;
+   return transformPromiseWith(backpressureChangePromise, function () {
+    var writable = stream._writable;
+    var state = writable._state;
+    if (state === 'erroring') {
+     throw writable._storedError;
+    }
+    return TransformStreamDefaultControllerPerformTransform(controller, chunk);
+   });
+  }
+  return TransformStreamDefaultControllerPerformTransform(controller, chunk);
+ }
+ function TransformStreamDefaultSinkAbortAlgorithm(stream, reason) {
+  TransformStreamError(stream, reason);
+  return promiseResolvedWith(undefined);
+ }
+ function TransformStreamDefaultSinkCloseAlgorithm(stream) {
+  var readable = stream._readable;
+  var controller = stream._transformStreamController;
+  var flushPromise = controller._flushAlgorithm();
+  TransformStreamDefaultControllerClearAlgorithms(controller);
+  return transformPromiseWith(flushPromise, function () {
+   if (readable._state === 'errored') {
+    throw readable._storedError;
+   }
+   var readableController = readable._readableStreamController;
+   if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {
+    ReadableStreamDefaultControllerClose(readableController);
+   }
+  }, function (r) {
+   TransformStreamError(stream, r);
+   throw readable._storedError;
+  });
+ }
+ function TransformStreamDefaultSourcePullAlgorithm(stream) {
+  TransformStreamSetBackpressure(stream, false);
+  return stream._backpressureChangePromise;
+ }
+ function defaultControllerBrandCheckException$1(name) {
+  return new TypeError("TransformStreamDefaultController.prototype." + name + " can only be used on a TransformStreamDefaultController");
+ }
+ function streamBrandCheckException$2(name) {
+  return new TypeError("TransformStream.prototype." + name + " can only be used on a TransformStream");
+ }
+ exports.ByteLengthQueuingStrategy = ByteLengthQueuingStrategy;
+ exports.CountQueuingStrategy = CountQueuingStrategy;
+ exports.ReadableStream = ReadableStream;
+ exports.TransformStream = TransformStream;
+ exports.WritableStream = WritableStream;
+ Object.defineProperty(exports, '__esModule', { value: true });
+}));
+
+/***/ }),
+/* 146 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(147);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Map;
+
+/***/ }),
+/* 147 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionStrong = __w_pdfjs_require__(152);
+module.exports = collection('Map', function (init) {
+ return function Map() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 148 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+var isForced = __w_pdfjs_require__(52);
+var redefine = __w_pdfjs_require__(29);
+var InternalMetadataModule = __w_pdfjs_require__(149);
+var iterate = __w_pdfjs_require__(104);
+var anInstance = __w_pdfjs_require__(126);
+var isObject = __w_pdfjs_require__(22);
+var fails = __w_pdfjs_require__(14);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(97);
+var setToStringTag = __w_pdfjs_require__(85);
+var inheritIfRequired = __w_pdfjs_require__(151);
+module.exports = function (CONSTRUCTOR_NAME, wrapper, common) {
+ var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
+ var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
+ var ADDER = IS_MAP ? 'set' : 'add';
+ var NativeConstructor = global[CONSTRUCTOR_NAME];
+ var NativePrototype = NativeConstructor && NativeConstructor.prototype;
+ var Constructor = NativeConstructor;
+ var exported = {};
+ var fixMethod = function (KEY) {
+  var nativeMethod = NativePrototype[KEY];
+  redefine(NativePrototype, KEY, KEY == 'add' ? function add(value) {
+   nativeMethod.call(this, value === 0 ? 0 : value);
+   return this;
+  } : KEY == 'delete' ? function (key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'get' ? function get(key) {
+   return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'has' ? function has(key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : function set(key, value) {
+   nativeMethod.call(this, key === 0 ? 0 : key, value);
+   return this;
+  });
+ };
+ if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
+   new NativeConstructor().entries().next();
+  })))) {
+  Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
+  InternalMetadataModule.REQUIRED = true;
+ } else if (isForced(CONSTRUCTOR_NAME, true)) {
+  var instance = new Constructor();
+  var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
+  var THROWS_ON_PRIMITIVES = fails(function () {
+   instance.has(1);
+  });
+  var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) {
+   new NativeConstructor(iterable);
+  });
+  var BUGGY_ZERO = !IS_WEAK && fails(function () {
+   var $instance = new NativeConstructor();
+   var index = 5;
+   while (index--)
+    $instance[ADDER](index, index);
+   return !$instance.has(-0);
+  });
+  if (!ACCEPT_ITERABLES) {
+   Constructor = wrapper(function (dummy, iterable) {
+    anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
+    var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
+    if (iterable != undefined)
+     iterate(iterable, that[ADDER], that, IS_MAP);
+    return that;
+   });
+   Constructor.prototype = NativePrototype;
+   NativePrototype.constructor = Constructor;
+  }
+  if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+   fixMethod('delete');
+   fixMethod('has');
+   IS_MAP && fixMethod('get');
+  }
+  if (BUGGY_ZERO || HASNT_CHAINING)
+   fixMethod(ADDER);
+  if (IS_WEAK && NativePrototype.clear)
+   delete NativePrototype.clear;
+ }
+ exported[CONSTRUCTOR_NAME] = Constructor;
+ $({
+  global: true,
+  forced: Constructor != NativeConstructor
+ }, exported);
+ setToStringTag(Constructor, CONSTRUCTOR_NAME);
+ if (!IS_WEAK)
+  common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
+ return Constructor;
+};
+
+/***/ }),
+/* 149 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var hiddenKeys = __w_pdfjs_require__(39);
+var isObject = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(23);
+var defineProperty = __w_pdfjs_require__(27).f;
+var uid = __w_pdfjs_require__(38);
+var FREEZING = __w_pdfjs_require__(150);
+var METADATA = uid('meta');
+var id = 0;
+var isExtensible = Object.isExtensible || function () {
+ return true;
+};
+var setMetadata = function (it) {
+ defineProperty(it, METADATA, {
+  value: {
+   objectID: 'O' + ++id,
+   weakData: {}
+  }
+ });
+};
+var fastKey = function (it, create) {
+ if (!isObject(it))
+  return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return 'F';
+  if (!create)
+   return 'E';
+  setMetadata(it);
+ }
+ return it[METADATA].objectID;
+};
+var getWeakData = function (it, create) {
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return true;
+  if (!create)
+   return false;
+  setMetadata(it);
+ }
+ return it[METADATA].weakData;
+};
+var onFreeze = function (it) {
+ if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA))
+  setMetadata(it);
+ return it;
+};
+var meta = module.exports = {
+ REQUIRED: false,
+ fastKey: fastKey,
+ getWeakData: getWeakData,
+ onFreeze: onFreeze
+};
+hiddenKeys[METADATA] = true;
+
+/***/ }),
+/* 150 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+module.exports = !fails(function () {
+ return Object.isExtensible(Object.preventExtensions({}));
+});
+
+/***/ }),
+/* 151 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var setPrototypeOf = __w_pdfjs_require__(87);
+module.exports = function ($this, dummy, Wrapper) {
+ var NewTarget, NewTargetPrototype;
+ if (setPrototypeOf && typeof (NewTarget = dummy.constructor) == 'function' && NewTarget !== Wrapper && isObject(NewTargetPrototype = NewTarget.prototype) && NewTargetPrototype !== Wrapper.prototype)
+  setPrototypeOf($this, NewTargetPrototype);
+ return $this;
+};
+
+/***/ }),
+/* 152 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var defineProperty = __w_pdfjs_require__(27).f;
+var create = __w_pdfjs_require__(71);
+var redefineAll = __w_pdfjs_require__(124);
+var bind = __w_pdfjs_require__(62);
+var anInstance = __w_pdfjs_require__(126);
+var iterate = __w_pdfjs_require__(104);
+var defineIterator = __w_pdfjs_require__(79);
+var setSpecies = __w_pdfjs_require__(125);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var fastKey = __w_pdfjs_require__(149).fastKey;
+var InternalStateModule = __w_pdfjs_require__(33);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    index: create(null),
+    first: undefined,
+    last: undefined,
+    size: 0
+   });
+   if (!DESCRIPTORS)
+    that.size = 0;
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var entry = getEntry(that, key);
+   var previous, index;
+   if (entry) {
+    entry.value = value;
+   } else {
+    state.last = entry = {
+     index: index = fastKey(key, true),
+     key: key,
+     value: value,
+     previous: previous = state.last,
+     next: undefined,
+     removed: false
+    };
+    if (!state.first)
+     state.first = entry;
+    if (previous)
+     previous.next = entry;
+    if (DESCRIPTORS)
+     state.size++;
+    else
+     that.size++;
+    if (index !== 'F')
+     state.index[index] = entry;
+   }
+   return that;
+  };
+  var getEntry = function (that, key) {
+   var state = getInternalState(that);
+   var index = fastKey(key);
+   var entry;
+   if (index !== 'F')
+    return state.index[index];
+   for (entry = state.first; entry; entry = entry.next) {
+    if (entry.key == key)
+     return entry;
+   }
+  };
+  redefineAll(C.prototype, {
+   clear: function clear() {
+    var that = this;
+    var state = getInternalState(that);
+    var data = state.index;
+    var entry = state.first;
+    while (entry) {
+     entry.removed = true;
+     if (entry.previous)
+      entry.previous = entry.previous.next = undefined;
+     delete data[entry.index];
+     entry = entry.next;
+    }
+    state.first = state.last = undefined;
+    if (DESCRIPTORS)
+     state.size = 0;
+    else
+     that.size = 0;
+   },
+   'delete': function (key) {
+    var that = this;
+    var state = getInternalState(that);
+    var entry = getEntry(that, key);
+    if (entry) {
+     var next = entry.next;
+     var prev = entry.previous;
+     delete state.index[entry.index];
+     entry.removed = true;
+     if (prev)
+      prev.next = next;
+     if (next)
+      next.previous = prev;
+     if (state.first == entry)
+      state.first = next;
+     if (state.last == entry)
+      state.last = prev;
+     if (DESCRIPTORS)
+      state.size--;
+     else
+      that.size--;
+    }
+    return !!entry;
+   },
+   forEach: function forEach(callbackfn) {
+    var state = getInternalState(this);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var entry;
+    while (entry = entry ? entry.next : state.first) {
+     boundFunction(entry.value, entry.key, this);
+     while (entry && entry.removed)
+      entry = entry.previous;
+    }
+   },
+   has: function has(key) {
+    return !!getEntry(this, key);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var entry = getEntry(this, key);
+    return entry && entry.value;
+   },
+   set: function set(key, value) {
+    return define(this, key === 0 ? 0 : key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value = value === 0 ? 0 : value, value);
+   }
+  });
+  if (DESCRIPTORS)
+   defineProperty(C.prototype, 'size', {
+    get: function () {
+     return getInternalState(this).size;
+    }
+   });
+  return C;
+ },
+ setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {
+  var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
+  var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);
+  defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
+   setInternalState(this, {
+    type: ITERATOR_NAME,
+    target: iterated,
+    state: getInternalCollectionState(iterated),
+    kind: kind,
+    last: undefined
+   });
+  }, function () {
+   var state = getInternalIteratorState(this);
+   var kind = state.kind;
+   var entry = state.last;
+   while (entry && entry.removed)
+    entry = entry.previous;
+   if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
+    state.target = undefined;
+    return {
+     value: undefined,
+     done: true
+    };
+   }
+   if (kind == 'keys')
+    return {
+     value: entry.key,
+     done: false
+    };
+   if (kind == 'values')
+    return {
+     value: entry.value,
+     done: false
+    };
+   return {
+    value: [
+     entry.key,
+     entry.value
+    ],
+    done: false
+   };
+  }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);
+  setSpecies(CONSTRUCTOR_NAME);
+ }
+};
+
+/***/ }),
+/* 153 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(154);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(77);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Set;
+
+/***/ }),
+/* 154 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionStrong = __w_pdfjs_require__(152);
+module.exports = collection('Set', function (init) {
+ return function Set() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 155 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(156);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.WeakMap;
+
+/***/ }),
+/* 156 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var global = __w_pdfjs_require__(11);
+var redefineAll = __w_pdfjs_require__(124);
+var InternalMetadataModule = __w_pdfjs_require__(149);
+var collection = __w_pdfjs_require__(148);
+var collectionWeak = __w_pdfjs_require__(157);
+var isObject = __w_pdfjs_require__(22);
+var enforceIternalState = __w_pdfjs_require__(33).enforce;
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(34);
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var isExtensible = Object.isExtensible;
+var InternalWeakMap;
+var wrapper = function (init) {
+ return function WeakMap() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+};
+var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);
+if (NATIVE_WEAK_MAP && IS_IE11) {
+ InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
+ InternalMetadataModule.REQUIRED = true;
+ var WeakMapPrototype = $WeakMap.prototype;
+ var nativeDelete = WeakMapPrototype['delete'];
+ var nativeHas = WeakMapPrototype.has;
+ var nativeGet = WeakMapPrototype.get;
+ var nativeSet = WeakMapPrototype.set;
+ redefineAll(WeakMapPrototype, {
+  'delete': function (key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeDelete.call(this, key) || state.frozen['delete'](key);
+   }
+   return nativeDelete.call(this, key);
+  },
+  has: function has(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) || state.frozen.has(key);
+   }
+   return nativeHas.call(this, key);
+  },
+  get: function get(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
+   }
+   return nativeGet.call(this, key);
+  },
+  set: function set(key, value) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
+   } else
+    nativeSet.call(this, key, value);
+   return this;
+  }
+ });
+}
+
+/***/ }),
+/* 157 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var redefineAll = __w_pdfjs_require__(124);
+var getWeakData = __w_pdfjs_require__(149).getWeakData;
+var anObject = __w_pdfjs_require__(28);
+var isObject = __w_pdfjs_require__(22);
+var anInstance = __w_pdfjs_require__(126);
+var iterate = __w_pdfjs_require__(104);
+var ArrayIterationModule = __w_pdfjs_require__(158);
+var $has = __w_pdfjs_require__(23);
+var InternalStateModule = __w_pdfjs_require__(33);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+var find = ArrayIterationModule.find;
+var findIndex = ArrayIterationModule.findIndex;
+var id = 0;
+var uncaughtFrozenStore = function (store) {
+ return store.frozen || (store.frozen = new UncaughtFrozenStore());
+};
+var UncaughtFrozenStore = function () {
+ this.entries = [];
+};
+var findUncaughtFrozen = function (store, key) {
+ return find(store.entries, function (it) {
+  return it[0] === key;
+ });
+};
+UncaughtFrozenStore.prototype = {
+ get: function (key) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   return entry[1];
+ },
+ has: function (key) {
+  return !!findUncaughtFrozen(this, key);
+ },
+ set: function (key, value) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   entry[1] = value;
+  else
+   this.entries.push([
+    key,
+    value
+   ]);
+ },
+ 'delete': function (key) {
+  var index = findIndex(this.entries, function (it) {
+   return it[0] === key;
+  });
+  if (~index)
+   this.entries.splice(index, 1);
+  return !!~index;
+ }
+};
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    id: id++,
+    frozen: undefined
+   });
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var data = getWeakData(anObject(key), true);
+   if (data === true)
+    uncaughtFrozenStore(state).set(key, value);
+   else
+    data[state.id] = value;
+   return that;
+  };
+  redefineAll(C.prototype, {
+   'delete': function (key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state)['delete'](key);
+    return data && $has(data, state.id) && delete data[state.id];
+   },
+   has: function has(key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state).has(key);
+    return data && $has(data, state.id);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var state = getInternalState(this);
+    if (isObject(key)) {
+     var data = getWeakData(key);
+     if (data === true)
+      return uncaughtFrozenStore(state).get(key);
+     return data ? data[state.id] : undefined;
+    }
+   },
+   set: function set(key, value) {
+    return define(this, key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value, true);
+   }
+  });
+  return C;
+ }
+};
+
+/***/ }),
+/* 158 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var bind = __w_pdfjs_require__(62);
+var IndexedObject = __w_pdfjs_require__(18);
+var toObject = __w_pdfjs_require__(83);
+var toLength = __w_pdfjs_require__(47);
+var arraySpeciesCreate = __w_pdfjs_require__(159);
+var push = [].push;
+var createMethod = function (TYPE) {
+ var IS_MAP = TYPE == 1;
+ var IS_FILTER = TYPE == 2;
+ var IS_SOME = TYPE == 3;
+ var IS_EVERY = TYPE == 4;
+ var IS_FIND_INDEX = TYPE == 6;
+ var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+ return function ($this, callbackfn, that, specificCreate) {
+  var O = toObject($this);
+  var self = IndexedObject(O);
+  var boundFunction = bind(callbackfn, that, 3);
+  var length = toLength(self.length);
+  var index = 0;
+  var create = specificCreate || arraySpeciesCreate;
+  var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+  var value, result;
+  for (; length > index; index++)
+   if (NO_HOLES || index in self) {
+    value = self[index];
+    result = boundFunction(value, index, O);
+    if (TYPE) {
+     if (IS_MAP)
+      target[index] = result;
+     else if (result)
+      switch (TYPE) {
+      case 3:
+       return true;
+      case 5:
+       return value;
+      case 6:
+       return index;
+      case 2:
+       push.call(target, value);
+      }
+     else if (IS_EVERY)
+      return false;
+    }
+   }
+  return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
+ };
+};
+module.exports = {
+ forEach: createMethod(0),
+ map: createMethod(1),
+ filter: createMethod(2),
+ some: createMethod(3),
+ every: createMethod(4),
+ find: createMethod(5),
+ findIndex: createMethod(6)
+};
+
+/***/ }),
+/* 159 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(22);
+var isArray = __w_pdfjs_require__(160);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (originalArray, length) {
+ var C;
+ if (isArray(originalArray)) {
+  C = originalArray.constructor;
+  if (typeof C == 'function' && (C === Array || isArray(C.prototype)))
+   C = undefined;
+  else if (isObject(C)) {
+   C = C[SPECIES];
+   if (C === null)
+    C = undefined;
+  }
+ }
+ return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
+};
+
+/***/ }),
+/* 160 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(19);
+module.exports = Array.isArray || function isArray(arg) {
+ return classof(arg) == 'Array';
+};
+
+/***/ }),
+/* 161 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(162);
+__w_pdfjs_require__(120);
+var path = __w_pdfjs_require__(43);
+module.exports = path.WeakSet;
+
+/***/ }),
+/* 162 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(148);
+var collectionWeak = __w_pdfjs_require__(157);
+collection('WeakSet', function (init) {
+ return function WeakSet() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionWeak);
+
+/***/ }),
+/* 163 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(164);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'codePointAt');
+
+/***/ }),
+/* 164 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var codeAt = __w_pdfjs_require__(78).codeAt;
+$({
+ target: 'String',
+ proto: true
+}, {
+ codePointAt: function codePointAt(pos) {
+  return codeAt(this, pos);
+ }
+});
+
+/***/ }),
+/* 165 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(166);
+var path = __w_pdfjs_require__(43);
+module.exports = path.String.fromCodePoint;
+
+/***/ }),
+/* 166 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var toAbsoluteIndex = __w_pdfjs_require__(49);
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint;
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;
+$({
+ target: 'String',
+ stat: true,
+ forced: INCORRECT_LENGTH
+}, {
+ fromCodePoint: function fromCodePoint(x) {
+  var elements = [];
+  var length = arguments.length;
+  var i = 0;
+  var code;
+  while (length > i) {
+   code = +arguments[i++];
+   if (toAbsoluteIndex(code, 0x10FFFF) !== code)
+    throw RangeError(code + ' is not a valid code point');
+   elements.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00));
+  }
+  return elements.join('');
+ }
+});
+
+/***/ }),
+/* 167 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(168);
+__w_pdfjs_require__(118);
+__w_pdfjs_require__(170);
+__w_pdfjs_require__(174);
+__w_pdfjs_require__(175);
+__w_pdfjs_require__(176);
+__w_pdfjs_require__(177);
+__w_pdfjs_require__(178);
+__w_pdfjs_require__(179);
+__w_pdfjs_require__(180);
+__w_pdfjs_require__(181);
+__w_pdfjs_require__(182);
+__w_pdfjs_require__(183);
+__w_pdfjs_require__(184);
+__w_pdfjs_require__(185);
+__w_pdfjs_require__(186);
+__w_pdfjs_require__(187);
+__w_pdfjs_require__(188);
+__w_pdfjs_require__(189);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Symbol;
+
+/***/ }),
+/* 168 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var fails = __w_pdfjs_require__(14);
+var isArray = __w_pdfjs_require__(160);
+var isObject = __w_pdfjs_require__(22);
+var toObject = __w_pdfjs_require__(83);
+var toLength = __w_pdfjs_require__(47);
+var createProperty = __w_pdfjs_require__(93);
+var arraySpeciesCreate = __w_pdfjs_require__(159);
+var arrayMethodHasSpeciesSupport = __w_pdfjs_require__(169);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';
+var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
+ var array = [];
+ array[IS_CONCAT_SPREADABLE] = false;
+ return array.concat()[0] !== array;
+});
+var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');
+var isConcatSpreadable = function (O) {
+ if (!isObject(O))
+  return false;
+ var spreadable = O[IS_CONCAT_SPREADABLE];
+ return spreadable !== undefined ? !!spreadable : isArray(O);
+};
+var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;
+$({
+ target: 'Array',
+ proto: true,
+ forced: FORCED
+}, {
+ concat: function concat(arg) {
+  var O = toObject(this);
+  var A = arraySpeciesCreate(O, 0);
+  var n = 0;
+  var i, k, length, len, E;
+  for (i = -1, length = arguments.length; i < length; i++) {
+   E = i === -1 ? O : arguments[i];
+   if (isConcatSpreadable(E)) {
+    len = toLength(E.length);
+    if (n + len > MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    for (k = 0; k < len; k++, n++)
+     if (k in E)
+      createProperty(A, n, E[k]);
+   } else {
+    if (n >= MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    createProperty(A, n++, E);
+   }
+  }
+  A.length = n;
+  return A;
+ }
+});
+
+/***/ }),
+/* 169 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(14);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var V8_VERSION = __w_pdfjs_require__(135);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (METHOD_NAME) {
+ return V8_VERSION >= 51 || !fails(function () {
+  var array = [];
+  var constructor = array.constructor = {};
+  constructor[SPECIES] = function () {
+   return { foo: 1 };
+  };
+  return array[METHOD_NAME](Boolean).foo !== 1;
+ });
+};
+
+/***/ }),
+/* 170 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var global = __w_pdfjs_require__(11);
+var getBuiltIn = __w_pdfjs_require__(42);
+var IS_PURE = __w_pdfjs_require__(37);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var NATIVE_SYMBOL = __w_pdfjs_require__(58);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(59);
+var fails = __w_pdfjs_require__(14);
+var has = __w_pdfjs_require__(23);
+var isArray = __w_pdfjs_require__(160);
+var isObject = __w_pdfjs_require__(22);
+var anObject = __w_pdfjs_require__(28);
+var toObject = __w_pdfjs_require__(83);
+var toIndexedObject = __w_pdfjs_require__(17);
+var toPrimitive = __w_pdfjs_require__(21);
+var createPropertyDescriptor = __w_pdfjs_require__(16);
+var nativeObjectCreate = __w_pdfjs_require__(71);
+var objectKeys = __w_pdfjs_require__(73);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(44);
+var getOwnPropertyNamesExternal = __w_pdfjs_require__(171);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(51);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(12);
+var definePropertyModule = __w_pdfjs_require__(27);
+var propertyIsEnumerableModule = __w_pdfjs_require__(15);
+var createNonEnumerableProperty = __w_pdfjs_require__(26);
+var redefine = __w_pdfjs_require__(29);
+var shared = __w_pdfjs_require__(36);
+var sharedKey = __w_pdfjs_require__(35);
+var hiddenKeys = __w_pdfjs_require__(39);
+var uid = __w_pdfjs_require__(38);
+var wellKnownSymbol = __w_pdfjs_require__(57);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(172);
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+var setToStringTag = __w_pdfjs_require__(85);
+var InternalStateModule = __w_pdfjs_require__(33);
+var $forEach = __w_pdfjs_require__(158).forEach;
+var HIDDEN = sharedKey('hidden');
+var SYMBOL = 'Symbol';
+var PROTOTYPE = 'prototype';
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SYMBOL);
+var ObjectPrototype = Object[PROTOTYPE];
+var $Symbol = global.Symbol;
+var $stringify = getBuiltIn('JSON', 'stringify');
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
+var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
+var AllSymbols = shared('symbols');
+var ObjectPrototypeSymbols = shared('op-symbols');
+var StringToSymbolRegistry = shared('string-to-symbol-registry');
+var SymbolToStringRegistry = shared('symbol-to-string-registry');
+var WellKnownSymbolsStore = shared('wks');
+var QObject = global.QObject;
+var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
+var setSymbolDescriptor = DESCRIPTORS && fails(function () {
+ return nativeObjectCreate(nativeDefineProperty({}, 'a', {
+  get: function () {
+   return nativeDefineProperty(this, 'a', { value: 7 }).a;
+  }
+ })).a != 7;
+}) ? function (O, P, Attributes) {
+ var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
+ if (ObjectPrototypeDescriptor)
+  delete ObjectPrototype[P];
+ nativeDefineProperty(O, P, Attributes);
+ if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
+  nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
+ }
+} : nativeDefineProperty;
+var wrap = function (tag, description) {
+ var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
+ setInternalState(symbol, {
+  type: SYMBOL,
+  tag: tag,
+  description: description
+ });
+ if (!DESCRIPTORS)
+  symbol.description = description;
+ return symbol;
+};
+var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
+ return typeof it == 'symbol';
+} : function (it) {
+ return Object(it) instanceof $Symbol;
+};
+var $defineProperty = function defineProperty(O, P, Attributes) {
+ if (O === ObjectPrototype)
+  $defineProperty(ObjectPrototypeSymbols, P, Attributes);
+ anObject(O);
+ var key = toPrimitive(P, true);
+ anObject(Attributes);
+ if (has(AllSymbols, key)) {
+  if (!Attributes.enumerable) {
+   if (!has(O, HIDDEN))
+    nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
+   O[HIDDEN][key] = true;
+  } else {
+   if (has(O, HIDDEN) && O[HIDDEN][key])
+    O[HIDDEN][key] = false;
+   Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
+  }
+  return setSymbolDescriptor(O, key, Attributes);
+ }
+ return nativeDefineProperty(O, key, Attributes);
+};
+var $defineProperties = function defineProperties(O, Properties) {
+ anObject(O);
+ var properties = toIndexedObject(Properties);
+ var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
+ $forEach(keys, function (key) {
+  if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key))
+   $defineProperty(O, key, properties[key]);
+ });
+ return O;
+};
+var $create = function create(O, Properties) {
+ return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
+};
+var $propertyIsEnumerable = function propertyIsEnumerable(V) {
+ var P = toPrimitive(V, true);
+ var enumerable = nativePropertyIsEnumerable.call(this, P);
+ if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P))
+  return false;
+ return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
+};
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
+ var it = toIndexedObject(O);
+ var key = toPrimitive(P, true);
+ if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key))
+  return;
+ var descriptor = nativeGetOwnPropertyDescriptor(it, key);
+ if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
+  descriptor.enumerable = true;
+ }
+ return descriptor;
+};
+var $getOwnPropertyNames = function getOwnPropertyNames(O) {
+ var names = nativeGetOwnPropertyNames(toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (!has(AllSymbols, key) && !has(hiddenKeys, key))
+   result.push(key);
+ });
+ return result;
+};
+var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
+ var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
+ var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
+   result.push(AllSymbols[key]);
+  }
+ });
+ return result;
+};
+if (!NATIVE_SYMBOL) {
+ $Symbol = function Symbol() {
+  if (this instanceof $Symbol)
+   throw TypeError('Symbol is not a constructor');
+  var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var tag = uid(description);
+  var setter = function (value) {
+   if (this === ObjectPrototype)
+    setter.call(ObjectPrototypeSymbols, value);
+   if (has(this, HIDDEN) && has(this[HIDDEN], tag))
+    this[HIDDEN][tag] = false;
+   setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
+  };
+  if (DESCRIPTORS && USE_SETTER)
+   setSymbolDescriptor(ObjectPrototype, tag, {
+    configurable: true,
+    set: setter
+   });
+  return wrap(tag, description);
+ };
+ redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+  return getInternalState(this).tag;
+ });
+ redefine($Symbol, 'withoutSetter', function (description) {
+  return wrap(uid(description), description);
+ });
+ propertyIsEnumerableModule.f = $propertyIsEnumerable;
+ definePropertyModule.f = $defineProperty;
+ getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
+ getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
+ getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;
+ wrappedWellKnownSymbolModule.f = function (name) {
+  return wrap(wellKnownSymbol(name), name);
+ };
+ if (DESCRIPTORS) {
+  nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
+   configurable: true,
+   get: function description() {
+    return getInternalState(this).description;
+   }
+  });
+  if (!IS_PURE) {
+   redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
+  }
+ }
+}
+$({
+ global: true,
+ wrap: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !NATIVE_SYMBOL
+}, { Symbol: $Symbol });
+$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
+ defineWellKnownSymbol(name);
+});
+$({
+ target: SYMBOL,
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ 'for': function (key) {
+  var string = String(key);
+  if (has(StringToSymbolRegistry, string))
+   return StringToSymbolRegistry[string];
+  var symbol = $Symbol(string);
+  StringToSymbolRegistry[string] = symbol;
+  SymbolToStringRegistry[symbol] = string;
+  return symbol;
+ },
+ keyFor: function keyFor(sym) {
+  if (!isSymbol(sym))
+   throw TypeError(sym + ' is not a symbol');
+  if (has(SymbolToStringRegistry, sym))
+   return SymbolToStringRegistry[sym];
+ },
+ useSetter: function () {
+  USE_SETTER = true;
+ },
+ useSimple: function () {
+  USE_SETTER = false;
+ }
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !DESCRIPTORS
+}, {
+ create: $create,
+ defineProperty: $defineProperty,
+ defineProperties: $defineProperties,
+ getOwnPropertyDescriptor: $getOwnPropertyDescriptor
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ getOwnPropertyNames: $getOwnPropertyNames,
+ getOwnPropertySymbols: $getOwnPropertySymbols
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: fails(function () {
+  getOwnPropertySymbolsModule.f(1);
+ })
+}, {
+ getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+  return getOwnPropertySymbolsModule.f(toObject(it));
+ }
+});
+if ($stringify) {
+ var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
+  var symbol = $Symbol();
+  return $stringify([symbol]) != '[null]' || $stringify({ a: symbol }) != '{}' || $stringify(Object(symbol)) != '{}';
+ });
+ $({
+  target: 'JSON',
+  stat: true,
+  forced: FORCED_JSON_STRINGIFY
+ }, {
+  stringify: function stringify(it, replacer, space) {
+   var args = [it];
+   var index = 1;
+   var $replacer;
+   while (arguments.length > index)
+    args.push(arguments[index++]);
+   $replacer = replacer;
+   if (!isObject(replacer) && it === undefined || isSymbol(it))
+    return;
+   if (!isArray(replacer))
+    replacer = function (key, value) {
+     if (typeof $replacer == 'function')
+      value = $replacer.call(this, key, value);
+     if (!isSymbol(value))
+      return value;
+    };
+   args[1] = replacer;
+   return $stringify.apply(null, args);
+  }
+ });
+}
+if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
+ createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+}
+setToStringTag($Symbol, SYMBOL);
+hiddenKeys[HIDDEN] = true;
+
+/***/ }),
+/* 171 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(17);
+var nativeGetOwnPropertyNames = __w_pdfjs_require__(44).f;
+var toString = {}.toString;
+var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
+var getWindowNames = function (it) {
+ try {
+  return nativeGetOwnPropertyNames(it);
+ } catch (error) {
+  return windowNames.slice();
+ }
+};
+module.exports.f = function getOwnPropertyNames(it) {
+ return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : nativeGetOwnPropertyNames(toIndexedObject(it));
+};
+
+/***/ }),
+/* 172 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(57);
+exports.f = wellKnownSymbol;
+
+/***/ }),
+/* 173 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(43);
+var has = __w_pdfjs_require__(23);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(172);
+var defineProperty = __w_pdfjs_require__(27).f;
+module.exports = function (NAME) {
+ var Symbol = path.Symbol || (path.Symbol = {});
+ if (!has(Symbol, NAME))
+  defineProperty(Symbol, NAME, { value: wrappedWellKnownSymbolModule.f(NAME) });
+};
+
+/***/ }),
+/* 174 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('asyncIterator');
+
+/***/ }),
+/* 175 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var global = __w_pdfjs_require__(11);
+var has = __w_pdfjs_require__(23);
+var isObject = __w_pdfjs_require__(22);
+var defineProperty = __w_pdfjs_require__(27).f;
+var copyConstructorProperties = __w_pdfjs_require__(40);
+var NativeSymbol = global.Symbol;
+if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) || NativeSymbol().description !== undefined)) {
+ var EmptyStringDescriptionStore = {};
+ var SymbolWrapper = function Symbol() {
+  var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var result = this instanceof SymbolWrapper ? new NativeSymbol(description) : description === undefined ? NativeSymbol() : NativeSymbol(description);
+  if (description === '')
+   EmptyStringDescriptionStore[result] = true;
+  return result;
+ };
+ copyConstructorProperties(SymbolWrapper, NativeSymbol);
+ var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
+ symbolPrototype.constructor = SymbolWrapper;
+ var symbolToString = symbolPrototype.toString;
+ var native = String(NativeSymbol('test')) == 'Symbol(test)';
+ var regexp = /^Symbol\((.*)\)[^)]+$/;
+ defineProperty(symbolPrototype, 'description', {
+  configurable: true,
+  get: function description() {
+   var symbol = isObject(this) ? this.valueOf() : this;
+   var string = symbolToString.call(symbol);
+   if (has(EmptyStringDescriptionStore, symbol))
+    return '';
+   var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
+   return desc === '' ? undefined : desc;
+  }
+ });
+ $({
+  global: true,
+  forced: true
+ }, { Symbol: SymbolWrapper });
+}
+
+/***/ }),
+/* 176 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('hasInstance');
+
+/***/ }),
+/* 177 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('isConcatSpreadable');
+
+/***/ }),
+/* 178 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('iterator');
+
+/***/ }),
+/* 179 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('match');
+
+/***/ }),
+/* 180 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('matchAll');
+
+/***/ }),
+/* 181 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('replace');
+
+/***/ }),
+/* 182 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('search');
+
+/***/ }),
+/* 183 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('species');
+
+/***/ }),
+/* 184 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('split');
+
+/***/ }),
+/* 185 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('toPrimitive');
+
+/***/ }),
+/* 186 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('toStringTag');
+
+/***/ }),
+/* 187 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(173);
+defineWellKnownSymbol('unscopables');
+
+/***/ }),
+/* 188 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var setToStringTag = __w_pdfjs_require__(85);
+setToStringTag(Math, 'Math', true);
+
+/***/ }),
+/* 189 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(11);
+var setToStringTag = __w_pdfjs_require__(85);
+setToStringTag(global.JSON, 'JSON', true);
+
+/***/ }),
+/* 190 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(191);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'padStart');
+
+/***/ }),
+/* 191 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $padStart = __w_pdfjs_require__(192).start;
+var WEBKIT_BUG = __w_pdfjs_require__(194);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padStart: function padStart(maxLength) {
+  return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 192 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toLength = __w_pdfjs_require__(47);
+var repeat = __w_pdfjs_require__(193);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+var ceil = Math.ceil;
+var createMethod = function (IS_END) {
+ return function ($this, maxLength, fillString) {
+  var S = String(requireObjectCoercible($this));
+  var stringLength = S.length;
+  var fillStr = fillString === undefined ? ' ' : String(fillString);
+  var intMaxLength = toLength(maxLength);
+  var fillLen, stringFiller;
+  if (intMaxLength <= stringLength || fillStr == '')
+   return S;
+  fillLen = intMaxLength - stringLength;
+  stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));
+  if (stringFiller.length > fillLen)
+   stringFiller = stringFiller.slice(0, fillLen);
+  return IS_END ? S + stringFiller : stringFiller + S;
+ };
+};
+module.exports = {
+ start: createMethod(false),
+ end: createMethod(true)
+};
+
+/***/ }),
+/* 193 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toInteger = __w_pdfjs_require__(48);
+var requireObjectCoercible = __w_pdfjs_require__(20);
+module.exports = ''.repeat || function repeat(count) {
+ var str = String(requireObjectCoercible(this));
+ var result = '';
+ var n = toInteger(count);
+ if (n < 0 || n == Infinity)
+  throw RangeError('Wrong number of repetitions');
+ for (; n > 0; (n >>>= 1) && (str += str))
+  if (n & 1)
+   result += str;
+ return result;
+};
+
+/***/ }),
+/* 194 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var userAgent = __w_pdfjs_require__(129);
+module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+
+/***/ }),
+/* 195 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(196);
+var entryUnbind = __w_pdfjs_require__(61);
+module.exports = entryUnbind('String', 'padEnd');
+
+/***/ }),
+/* 196 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(10);
+var $padEnd = __w_pdfjs_require__(192).end;
+var WEBKIT_BUG = __w_pdfjs_require__(194);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padEnd: function padEnd(maxLength) {
+  return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 197 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(198);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.values;
+
+/***/ }),
+/* 198 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var $values = __w_pdfjs_require__(199).values;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ values: function values(O) {
+  return $values(O);
+ }
+});
+
+/***/ }),
+/* 199 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(13);
+var objectKeys = __w_pdfjs_require__(73);
+var toIndexedObject = __w_pdfjs_require__(17);
+var propertyIsEnumerable = __w_pdfjs_require__(15).f;
+var createMethod = function (TO_ENTRIES) {
+ return function (it) {
+  var O = toIndexedObject(it);
+  var keys = objectKeys(O);
+  var length = keys.length;
+  var i = 0;
+  var result = [];
+  var key;
+  while (length > i) {
+   key = keys[i++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {
+    result.push(TO_ENTRIES ? [
+     key,
+     O[key]
+    ] : O[key]);
+   }
+  }
+  return result;
+ };
+};
+module.exports = {
+ entries: createMethod(true),
+ values: createMethod(false)
+};
+
+/***/ }),
+/* 200 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(201);
+var path = __w_pdfjs_require__(43);
+module.exports = path.Object.entries;
+
+/***/ }),
+/* 201 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(10);
+var $entries = __w_pdfjs_require__(199).entries;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ entries: function entries(O) {
+  return $entries(O);
+ }
+});
+
+/***/ }),
+/* 202 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.clearPrimitiveCaches = clearPrimitiveCaches;
+exports.isEOF = isEOF;
+exports.isCmd = isCmd;
+exports.isDict = isDict;
+exports.isName = isName;
+exports.isRef = isRef;
+exports.isRefsEqual = isRefsEqual;
+exports.isStream = isStream;
+exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.Dict = exports.Cmd = exports.EOF = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+var EOF = {};
+exports.EOF = EOF;
+
+var Name = function NameClosure() {
+  var nameCache = Object.create(null);
+
+  function Name(name) {
+    this.name = name;
+  }
+
+  Name.prototype = {};
+
+  Name.get = function Name_get(name) {
+    var nameValue = nameCache[name];
+    return nameValue ? nameValue : nameCache[name] = new Name(name);
+  };
+
+  Name._clearCache = function () {
+    nameCache = Object.create(null);
+  };
+
+  return Name;
+}();
+
+exports.Name = Name;
+
+var Cmd = function CmdClosure() {
+  var cmdCache = Object.create(null);
+
+  function Cmd(cmd) {
+    this.cmd = cmd;
+  }
+
+  Cmd.prototype = {};
+
+  Cmd.get = function Cmd_get(cmd) {
+    var cmdValue = cmdCache[cmd];
+    return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
+  };
+
+  Cmd._clearCache = function () {
+    cmdCache = Object.create(null);
+  };
+
+  return Cmd;
+}();
+
+exports.Cmd = Cmd;
+
+var Dict = function DictClosure() {
+  var nonSerializable = function nonSerializableClosure() {
+    return nonSerializable;
+  };
+
+  function Dict(xref) {
+    this._map = Object.create(null);
+    this.xref = xref;
+    this.objId = null;
+    this.suppressEncryption = false;
+    this.__nonSerializable__ = nonSerializable;
+  }
+
+  Dict.prototype = {
+    assignXref: function Dict_assignXref(newXref) {
+      this.xref = newXref;
+    },
+
+    get size() {
+      return Object.keys(this._map).length;
+    },
+
+    get: function get(key1, key2, key3) {
+      var value = this._map[key1];
+
+      if (value === undefined && key2 !== undefined) {
+        value = this._map[key2];
+
+        if (value === undefined && key3 !== undefined) {
+          value = this._map[key3];
+        }
+      }
+
+      if (value instanceof Ref && this.xref) {
+        return this.xref.fetch(value, this.suppressEncryption);
+      }
+
+      return value;
+    },
+    getAsync: function getAsync(key1, key2, key3) {
+      var _this = this;
+
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var value;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                value = _this._map[key1];
+
+                if (value === undefined && key2 !== undefined) {
+                  value = _this._map[key2];
+
+                  if (value === undefined && key3 !== undefined) {
+                    value = _this._map[key3];
+                  }
+                }
+
+                if (!(value instanceof Ref && _this.xref)) {
+                  _context.next = 4;
+                  break;
+                }
+
+                return _context.abrupt("return", _this.xref.fetchAsync(value, _this.suppressEncryption));
+
+              case 4:
+                return _context.abrupt("return", value);
+
+              case 5:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }))();
+    },
+    getArray: function getArray(key1, key2, key3) {
+      var value = this.get(key1, key2, key3);
+
+      if (!Array.isArray(value) || !this.xref) {
+        return value;
+      }
+
+      value = value.slice();
+
+      for (var i = 0, ii = value.length; i < ii; i++) {
+        if (!(value[i] instanceof Ref)) {
+          continue;
+        }
+
+        value[i] = this.xref.fetch(value[i], this.suppressEncryption);
+      }
+
+      return value;
+    },
+    getRaw: function Dict_getRaw(key) {
+      return this._map[key];
+    },
+    getKeys: function Dict_getKeys() {
+      return Object.keys(this._map);
+    },
+    getRawValues: function Dict_getRawValues() {
+      return Object.values(this._map);
+    },
+    set: function Dict_set(key, value) {
+      this._map[key] = value;
+    },
+    has: function Dict_has(key) {
+      return this._map[key] !== undefined;
+    },
+    forEach: function Dict_forEach(callback) {
+      for (var key in this._map) {
+        callback(key, this.get(key));
+      }
+    }
+  };
+  Dict.empty = new Dict(null);
+
+  Dict.merge = function (_ref) {
+    var xref = _ref.xref,
+        dictArray = _ref.dictArray,
+        _ref$mergeSubDicts = _ref.mergeSubDicts,
+        mergeSubDicts = _ref$mergeSubDicts === void 0 ? false : _ref$mergeSubDicts;
+    var mergedDict = new Dict(xref);
+
+    if (!mergeSubDicts) {
+      var _iterator = _createForOfIteratorHelper(dictArray),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var dict = _step.value;
+
+          if (!(dict instanceof Dict)) {
+            continue;
+          }
+
+          for (var _i = 0, _Object$entries = Object.entries(dict._map); _i < _Object$entries.length; _i++) {
+            var _Object$entries$_i = _slicedToArray(_Object$entries[_i], 2),
+                key = _Object$entries$_i[0],
+                value = _Object$entries$_i[1];
+
+            if (mergedDict._map[key] === undefined) {
+              mergedDict._map[key] = value;
+            }
+          }
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      return mergedDict.size > 0 ? mergedDict : Dict.empty;
+    }
+
+    var properties = new Map();
+
+    var _iterator2 = _createForOfIteratorHelper(dictArray),
+        _step2;
+
+    try {
+      for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+        var _dict = _step2.value;
+
+        if (!(_dict instanceof Dict)) {
+          continue;
+        }
+
+        for (var _i2 = 0, _Object$entries2 = Object.entries(_dict._map); _i2 < _Object$entries2.length; _i2++) {
+          var _Object$entries2$_i = _slicedToArray(_Object$entries2[_i2], 2),
+              _key = _Object$entries2$_i[0],
+              _value = _Object$entries2$_i[1];
+
+          var property = properties.get(_key);
+
+          if (property === undefined) {
+            property = [];
+            properties.set(_key, property);
+          }
+
+          property.push(_value);
+        }
+      }
+    } catch (err) {
+      _iterator2.e(err);
+    } finally {
+      _iterator2.f();
+    }
+
+    var _iterator3 = _createForOfIteratorHelper(properties),
+        _step3;
+
+    try {
+      for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+        var _step3$value = _slicedToArray(_step3.value, 2),
+            name = _step3$value[0],
+            values = _step3$value[1];
+
+        if (values.length === 1 || !(values[0] instanceof Dict)) {
+          mergedDict._map[name] = values[0];
+          continue;
+        }
+
+        var subDict = new Dict(xref);
+
+        var _iterator4 = _createForOfIteratorHelper(values),
+            _step4;
+
+        try {
+          for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+            var _dict2 = _step4.value;
+
+            if (!(_dict2 instanceof Dict)) {
+              continue;
+            }
+
+            for (var _i3 = 0, _Object$entries3 = Object.entries(_dict2._map); _i3 < _Object$entries3.length; _i3++) {
+              var _Object$entries3$_i = _slicedToArray(_Object$entries3[_i3], 2),
+                  _key2 = _Object$entries3$_i[0],
+                  _value2 = _Object$entries3$_i[1];
+
+              if (subDict._map[_key2] === undefined) {
+                subDict._map[_key2] = _value2;
+              }
+            }
+          }
+        } catch (err) {
+          _iterator4.e(err);
+        } finally {
+          _iterator4.f();
+        }
+
+        if (subDict.size > 0) {
+          mergedDict._map[name] = subDict;
+        }
+      }
+    } catch (err) {
+      _iterator3.e(err);
+    } finally {
+      _iterator3.f();
+    }
+
+    properties.clear();
+    return mergedDict.size > 0 ? mergedDict : Dict.empty;
+  };
+
+  return Dict;
+}();
+
+exports.Dict = Dict;
+
+var Ref = function RefClosure() {
+  var refCache = Object.create(null);
+
+  function Ref(num, gen) {
+    this.num = num;
+    this.gen = gen;
+  }
+
+  Ref.prototype = {
+    toString: function Ref_toString() {
+      if (this.gen === 0) {
+        return "".concat(this.num, "R");
+      }
+
+      return "".concat(this.num, "R").concat(this.gen);
+    }
+  };
+
+  Ref.get = function (num, gen) {
+    var key = gen === 0 ? "".concat(num, "R") : "".concat(num, "R").concat(gen);
+    var refValue = refCache[key];
+    return refValue ? refValue : refCache[key] = new Ref(num, gen);
+  };
+
+  Ref._clearCache = function () {
+    refCache = Object.create(null);
+  };
+
+  return Ref;
+}();
+
+exports.Ref = Ref;
+
+var RefSet = /*#__PURE__*/function () {
+  function RefSet() {
+    _classCallCheck(this, RefSet);
+
+    this._set = new Set();
+  }
+
+  _createClass(RefSet, [{
+    key: "has",
+    value: function has(ref) {
+      return this._set.has(ref.toString());
+    }
+  }, {
+    key: "put",
+    value: function put(ref) {
+      this._set.add(ref.toString());
+    }
+  }, {
+    key: "remove",
+    value: function remove(ref) {
+      this._set["delete"](ref.toString());
+    }
+  }]);
+
+  return RefSet;
+}();
+
+exports.RefSet = RefSet;
+
+var RefSetCache = /*#__PURE__*/function () {
+  function RefSetCache() {
+    _classCallCheck(this, RefSetCache);
+
+    this._map = new Map();
+  }
+
+  _createClass(RefSetCache, [{
+    key: "get",
+    value: function get(ref) {
+      return this._map.get(ref.toString());
+    }
+  }, {
+    key: "has",
+    value: function has(ref) {
+      return this._map.has(ref.toString());
+    }
+  }, {
+    key: "put",
+    value: function put(ref, obj) {
+      this._map.set(ref.toString(), obj);
+    }
+  }, {
+    key: "putAlias",
+    value: function putAlias(ref, aliasRef) {
+      this._map.set(ref.toString(), this.get(aliasRef));
+    }
+  }, {
+    key: "forEach",
+    value: function forEach(callback) {
+      var _iterator5 = _createForOfIteratorHelper(this._map.values()),
+          _step5;
+
+      try {
+        for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+          var value = _step5.value;
+          callback(value);
+        }
+      } catch (err) {
+        _iterator5.e(err);
+      } finally {
+        _iterator5.f();
+      }
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      this._map.clear();
+    }
+  }, {
+    key: "size",
+    get: function get() {
+      return this._map.size;
+    }
+  }]);
+
+  return RefSetCache;
+}();
+
+exports.RefSetCache = RefSetCache;
+
+function isEOF(v) {
+  return v === EOF;
+}
+
+function isName(v, name) {
+  return v instanceof Name && (name === undefined || v.name === name);
+}
+
+function isCmd(v, cmd) {
+  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
+}
+
+function isDict(v, type) {
+  return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
+}
+
+function isRef(v) {
+  return v instanceof Ref;
+}
+
+function isRefsEqual(v1, v2) {
+  return v1.num === v2.num && v1.gen === v2.gen;
+}
+
+function isStream(v) {
+  return _typeof(v) === "object" && v !== null && v.getBytes !== undefined;
+}
+
+function clearPrimitiveCaches() {
+  Cmd._clearCache();
+
+  Name._clearCache();
+
+  Ref._clearCache();
+}
+
+/***/ }),
+/* 203 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NetworkPdfManager = exports.LocalPdfManager = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _chunked_stream = __w_pdfjs_require__(204);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _document = __w_pdfjs_require__(206);
+
+var _stream = __w_pdfjs_require__(209);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var BasePdfManager = /*#__PURE__*/function () {
+  function BasePdfManager() {
+    _classCallCheck(this, BasePdfManager);
+
+    if (this.constructor === BasePdfManager) {
+      (0, _util.unreachable)("Cannot initialize BasePdfManager.");
+    }
+  }
+
+  _createClass(BasePdfManager, [{
+    key: "onLoadedStream",
+    value: function onLoadedStream() {
+      (0, _util.unreachable)("Abstract method `onLoadedStream` called");
+    }
+  }, {
+    key: "ensureDoc",
+    value: function ensureDoc(prop, args) {
+      return this.ensure(this.pdfDocument, prop, args);
+    }
+  }, {
+    key: "ensureXRef",
+    value: function ensureXRef(prop, args) {
+      return this.ensure(this.pdfDocument.xref, prop, args);
+    }
+  }, {
+    key: "ensureCatalog",
+    value: function ensureCatalog(prop, args) {
+      return this.ensure(this.pdfDocument.catalog, prop, args);
+    }
+  }, {
+    key: "getPage",
+    value: function getPage(pageIndex) {
+      return this.pdfDocument.getPage(pageIndex);
+    }
+  }, {
+    key: "fontFallback",
+    value: function fontFallback(id, handler) {
+      return this.pdfDocument.fontFallback(id, handler);
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      var manuallyTriggered = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      return this.pdfDocument.cleanup(manuallyTriggered);
+    }
+  }, {
+    key: "ensure",
+    value: function () {
+      var _ensure = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(obj, prop, args) {
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                (0, _util.unreachable)("Abstract method `ensure` called");
+
+              case 1:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }));
+
+      function ensure(_x, _x2, _x3) {
+        return _ensure.apply(this, arguments);
+      }
+
+      return ensure;
+    }()
+  }, {
+    key: "requestRange",
+    value: function requestRange(begin, end) {
+      (0, _util.unreachable)("Abstract method `requestRange` called");
+    }
+  }, {
+    key: "requestLoadedStream",
+    value: function requestLoadedStream() {
+      (0, _util.unreachable)("Abstract method `requestLoadedStream` called");
+    }
+  }, {
+    key: "sendProgressiveData",
+    value: function sendProgressiveData(chunk) {
+      (0, _util.unreachable)("Abstract method `sendProgressiveData` called");
+    }
+  }, {
+    key: "updatePassword",
+    value: function updatePassword(password) {
+      this._password = password;
+    }
+  }, {
+    key: "terminate",
+    value: function terminate(reason) {
+      (0, _util.unreachable)("Abstract method `terminate` called");
+    }
+  }, {
+    key: "docId",
+    get: function get() {
+      return this._docId;
+    }
+  }, {
+    key: "password",
+    get: function get() {
+      return this._password;
+    }
+  }, {
+    key: "docBaseUrl",
+    get: function get() {
+      var docBaseUrl = null;
+
+      if (this._docBaseUrl) {
+        var absoluteUrl = (0, _util.createValidAbsoluteUrl)(this._docBaseUrl);
+
+        if (absoluteUrl) {
+          docBaseUrl = absoluteUrl.href;
+        } else {
+          (0, _util.warn)("Invalid absolute docBaseUrl: \"".concat(this._docBaseUrl, "\"."));
+        }
+      }
+
+      return (0, _util.shadow)(this, "docBaseUrl", docBaseUrl);
+    }
+  }]);
+
+  return BasePdfManager;
+}();
+
+var LocalPdfManager = /*#__PURE__*/function (_BasePdfManager) {
+  _inherits(LocalPdfManager, _BasePdfManager);
+
+  var _super = _createSuper(LocalPdfManager);
+
+  function LocalPdfManager(docId, data, password, evaluatorOptions, docBaseUrl) {
+    var _this;
+
+    _classCallCheck(this, LocalPdfManager);
+
+    _this = _super.call(this);
+    _this._docId = docId;
+    _this._password = password;
+    _this._docBaseUrl = docBaseUrl;
+    _this.evaluatorOptions = evaluatorOptions;
+    var stream = new _stream.Stream(data);
+    _this.pdfDocument = new _document.PDFDocument(_assertThisInitialized(_this), stream);
+    _this._loadedStreamPromise = Promise.resolve(stream);
+    return _this;
+  }
+
+  _createClass(LocalPdfManager, [{
+    key: "ensure",
+    value: function () {
+      var _ensure2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2(obj, prop, args) {
+        var value;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                value = obj[prop];
+
+                if (!(typeof value === "function")) {
+                  _context2.next = 3;
+                  break;
+                }
+
+                return _context2.abrupt("return", value.apply(obj, args));
+
+              case 3:
+                return _context2.abrupt("return", value);
+
+              case 4:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2);
+      }));
+
+      function ensure(_x4, _x5, _x6) {
+        return _ensure2.apply(this, arguments);
+      }
+
+      return ensure;
+    }()
+  }, {
+    key: "requestRange",
+    value: function requestRange(begin, end) {
+      return Promise.resolve();
+    }
+  }, {
+    key: "requestLoadedStream",
+    value: function requestLoadedStream() {}
+  }, {
+    key: "onLoadedStream",
+    value: function onLoadedStream() {
+      return this._loadedStreamPromise;
+    }
+  }, {
+    key: "terminate",
+    value: function terminate(reason) {}
+  }]);
+
+  return LocalPdfManager;
+}(BasePdfManager);
+
+exports.LocalPdfManager = LocalPdfManager;
+
+var NetworkPdfManager = /*#__PURE__*/function (_BasePdfManager2) {
+  _inherits(NetworkPdfManager, _BasePdfManager2);
+
+  var _super2 = _createSuper(NetworkPdfManager);
+
+  function NetworkPdfManager(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {
+    var _this2;
+
+    _classCallCheck(this, NetworkPdfManager);
+
+    _this2 = _super2.call(this);
+    _this2._docId = docId;
+    _this2._password = args.password;
+    _this2._docBaseUrl = docBaseUrl;
+    _this2.msgHandler = args.msgHandler;
+    _this2.evaluatorOptions = evaluatorOptions;
+    _this2.streamManager = new _chunked_stream.ChunkedStreamManager(pdfNetworkStream, {
+      msgHandler: args.msgHandler,
+      length: args.length,
+      disableAutoFetch: args.disableAutoFetch,
+      rangeChunkSize: args.rangeChunkSize
+    });
+    _this2.pdfDocument = new _document.PDFDocument(_assertThisInitialized(_this2), _this2.streamManager.getStream());
+    return _this2;
+  }
+
+  _createClass(NetworkPdfManager, [{
+    key: "ensure",
+    value: function () {
+      var _ensure3 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3(obj, prop, args) {
+        var value;
+        return _regenerator["default"].wrap(function _callee3$(_context3) {
+          while (1) {
+            switch (_context3.prev = _context3.next) {
+              case 0:
+                _context3.prev = 0;
+                value = obj[prop];
+
+                if (!(typeof value === "function")) {
+                  _context3.next = 4;
+                  break;
+                }
+
+                return _context3.abrupt("return", value.apply(obj, args));
+
+              case 4:
+                return _context3.abrupt("return", value);
+
+              case 7:
+                _context3.prev = 7;
+                _context3.t0 = _context3["catch"](0);
+
+                if (_context3.t0 instanceof _core_utils.MissingDataException) {
+                  _context3.next = 11;
+                  break;
+                }
+
+                throw _context3.t0;
+
+              case 11:
+                _context3.next = 13;
+                return this.requestRange(_context3.t0.begin, _context3.t0.end);
+
+              case 13:
+                return _context3.abrupt("return", this.ensure(obj, prop, args));
+
+              case 14:
+              case "end":
+                return _context3.stop();
+            }
+          }
+        }, _callee3, this, [[0, 7]]);
+      }));
+
+      function ensure(_x7, _x8, _x9) {
+        return _ensure3.apply(this, arguments);
+      }
+
+      return ensure;
+    }()
+  }, {
+    key: "requestRange",
+    value: function requestRange(begin, end) {
+      return this.streamManager.requestRange(begin, end);
+    }
+  }, {
+    key: "requestLoadedStream",
+    value: function requestLoadedStream() {
+      this.streamManager.requestAllChunks();
+    }
+  }, {
+    key: "sendProgressiveData",
+    value: function sendProgressiveData(chunk) {
+      this.streamManager.onReceiveData({
+        chunk: chunk
+      });
+    }
+  }, {
+    key: "onLoadedStream",
+    value: function onLoadedStream() {
+      return this.streamManager.onLoadedStream();
+    }
+  }, {
+    key: "terminate",
+    value: function terminate(reason) {
+      this.streamManager.abort(reason);
+    }
+  }]);
+
+  return NetworkPdfManager;
+}(BasePdfManager);
+
+exports.NetworkPdfManager = NetworkPdfManager;
+
+/***/ }),
+/* 204 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ChunkedStreamManager = exports.ChunkedStream = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var ChunkedStream = /*#__PURE__*/function () {
+  function ChunkedStream(length, chunkSize, manager) {
+    _classCallCheck(this, ChunkedStream);
+
+    this.bytes = new Uint8Array(length);
+    this.start = 0;
+    this.pos = 0;
+    this.end = length;
+    this.chunkSize = chunkSize;
+    this._loadedChunks = new Set();
+    this.numChunks = Math.ceil(length / chunkSize);
+    this.manager = manager;
+    this.progressiveDataLength = 0;
+    this.lastSuccessfulEnsureByteChunk = -1;
+  }
+
+  _createClass(ChunkedStream, [{
+    key: "getMissingChunks",
+    value: function getMissingChunks() {
+      var chunks = [];
+
+      for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) {
+        if (!this._loadedChunks.has(chunk)) {
+          chunks.push(chunk);
+        }
+      }
+
+      return chunks;
+    }
+  }, {
+    key: "getBaseStreams",
+    value: function getBaseStreams() {
+      return [this];
+    }
+  }, {
+    key: "allChunksLoaded",
+    value: function allChunksLoaded() {
+      return this.numChunksLoaded === this.numChunks;
+    }
+  }, {
+    key: "onReceiveData",
+    value: function onReceiveData(begin, chunk) {
+      var chunkSize = this.chunkSize;
+
+      if (begin % chunkSize !== 0) {
+        throw new Error("Bad begin offset: ".concat(begin));
+      }
+
+      var end = begin + chunk.byteLength;
+
+      if (end % chunkSize !== 0 && end !== this.bytes.length) {
+        throw new Error("Bad end offset: ".concat(end));
+      }
+
+      this.bytes.set(new Uint8Array(chunk), begin);
+      var beginChunk = Math.floor(begin / chunkSize);
+      var endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+      for (var curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+        this._loadedChunks.add(curChunk);
+      }
+    }
+  }, {
+    key: "onReceiveProgressiveData",
+    value: function onReceiveProgressiveData(data) {
+      var position = this.progressiveDataLength;
+      var beginChunk = Math.floor(position / this.chunkSize);
+      this.bytes.set(new Uint8Array(data), position);
+      position += data.byteLength;
+      this.progressiveDataLength = position;
+      var endChunk = position >= this.end ? this.numChunks : Math.floor(position / this.chunkSize);
+
+      for (var curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+        this._loadedChunks.add(curChunk);
+      }
+    }
+  }, {
+    key: "ensureByte",
+    value: function ensureByte(pos) {
+      if (pos < this.progressiveDataLength) {
+        return;
+      }
+
+      var chunk = Math.floor(pos / this.chunkSize);
+
+      if (chunk === this.lastSuccessfulEnsureByteChunk) {
+        return;
+      }
+
+      if (!this._loadedChunks.has(chunk)) {
+        throw new _core_utils.MissingDataException(pos, pos + 1);
+      }
+
+      this.lastSuccessfulEnsureByteChunk = chunk;
+    }
+  }, {
+    key: "ensureRange",
+    value: function ensureRange(begin, end) {
+      if (begin >= end) {
+        return;
+      }
+
+      if (end <= this.progressiveDataLength) {
+        return;
+      }
+
+      var chunkSize = this.chunkSize;
+      var beginChunk = Math.floor(begin / chunkSize);
+      var endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+      for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
+        if (!this._loadedChunks.has(chunk)) {
+          throw new _core_utils.MissingDataException(begin, end);
+        }
+      }
+    }
+  }, {
+    key: "nextEmptyChunk",
+    value: function nextEmptyChunk(beginChunk) {
+      var numChunks = this.numChunks;
+
+      for (var i = 0; i < numChunks; ++i) {
+        var chunk = (beginChunk + i) % numChunks;
+
+        if (!this._loadedChunks.has(chunk)) {
+          return chunk;
+        }
+      }
+
+      return null;
+    }
+  }, {
+    key: "hasChunk",
+    value: function hasChunk(chunk) {
+      return this._loadedChunks.has(chunk);
+    }
+  }, {
+    key: "getByte",
+    value: function getByte() {
+      var pos = this.pos;
+
+      if (pos >= this.end) {
+        return -1;
+      }
+
+      if (pos >= this.progressiveDataLength) {
+        this.ensureByte(pos);
+      }
+
+      return this.bytes[this.pos++];
+    }
+  }, {
+    key: "getUint16",
+    value: function getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    }
+  }, {
+    key: "getInt32",
+    value: function getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    }
+  }, {
+    key: "getBytes",
+    value: function getBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var bytes = this.bytes;
+      var pos = this.pos;
+      var strEnd = this.end;
+
+      if (!length) {
+        if (strEnd > this.progressiveDataLength) {
+          this.ensureRange(pos, strEnd);
+        }
+
+        var _subarray = bytes.subarray(pos, strEnd);
+
+        return forceClamped ? new Uint8ClampedArray(_subarray) : _subarray;
+      }
+
+      var end = pos + length;
+
+      if (end > strEnd) {
+        end = strEnd;
+      }
+
+      if (end > this.progressiveDataLength) {
+        this.ensureRange(pos, end);
+      }
+
+      this.pos = end;
+      var subarray = bytes.subarray(pos, end);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    }
+  }, {
+    key: "peekByte",
+    value: function peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    }
+  }, {
+    key: "peekBytes",
+    value: function peekBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    }
+  }, {
+    key: "getByteRange",
+    value: function getByteRange(begin, end) {
+      if (begin < 0) {
+        begin = 0;
+      }
+
+      if (end > this.end) {
+        end = this.end;
+      }
+
+      if (end > this.progressiveDataLength) {
+        this.ensureRange(begin, end);
+      }
+
+      return this.bytes.subarray(begin, end);
+    }
+  }, {
+    key: "skip",
+    value: function skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    }
+  }, {
+    key: "reset",
+    value: function reset() {
+      this.pos = this.start;
+    }
+  }, {
+    key: "moveStart",
+    value: function moveStart() {
+      this.start = this.pos;
+    }
+  }, {
+    key: "makeSubStream",
+    value: function makeSubStream(start, length, dict) {
+      if (length) {
+        if (start + length > this.progressiveDataLength) {
+          this.ensureRange(start, start + length);
+        }
+      } else {
+        if (start >= this.progressiveDataLength) {
+          this.ensureByte(start);
+        }
+      }
+
+      function ChunkedStreamSubstream() {}
+
+      ChunkedStreamSubstream.prototype = Object.create(this);
+
+      ChunkedStreamSubstream.prototype.getMissingChunks = function () {
+        var chunkSize = this.chunkSize;
+        var beginChunk = Math.floor(this.start / chunkSize);
+        var endChunk = Math.floor((this.end - 1) / chunkSize) + 1;
+        var missingChunks = [];
+
+        for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
+          if (!this._loadedChunks.has(chunk)) {
+            missingChunks.push(chunk);
+          }
+        }
+
+        return missingChunks;
+      };
+
+      ChunkedStreamSubstream.prototype.allChunksLoaded = function () {
+        if (this.numChunksLoaded === this.numChunks) {
+          return true;
+        }
+
+        return this.getMissingChunks().length === 0;
+      };
+
+      var subStream = new ChunkedStreamSubstream();
+      subStream.pos = subStream.start = start;
+      subStream.end = start + length || this.end;
+      subStream.dict = dict;
+      return subStream;
+    }
+  }, {
+    key: "numChunksLoaded",
+    get: function get() {
+      return this._loadedChunks.size;
+    }
+  }, {
+    key: "length",
+    get: function get() {
+      return this.end - this.start;
+    }
+  }, {
+    key: "isEmpty",
+    get: function get() {
+      return this.length === 0;
+    }
+  }]);
+
+  return ChunkedStream;
+}();
+
+exports.ChunkedStream = ChunkedStream;
+
+var ChunkedStreamManager = /*#__PURE__*/function () {
+  function ChunkedStreamManager(pdfNetworkStream, args) {
+    _classCallCheck(this, ChunkedStreamManager);
+
+    this.length = args.length;
+    this.chunkSize = args.rangeChunkSize;
+    this.stream = new ChunkedStream(this.length, this.chunkSize, this);
+    this.pdfNetworkStream = pdfNetworkStream;
+    this.disableAutoFetch = args.disableAutoFetch;
+    this.msgHandler = args.msgHandler;
+    this.currRequestId = 0;
+    this._chunksNeededByRequest = new Map();
+    this._requestsByChunk = new Map();
+    this._promisesByRequest = new Map();
+    this.progressiveDataLength = 0;
+    this.aborted = false;
+    this._loadedStreamCapability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(ChunkedStreamManager, [{
+    key: "onLoadedStream",
+    value: function onLoadedStream() {
+      return this._loadedStreamCapability.promise;
+    }
+  }, {
+    key: "sendRequest",
+    value: function sendRequest(begin, end) {
+      var _this = this;
+
+      var rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);
+
+      if (!rangeReader.isStreamingSupported) {
+        rangeReader.onProgress = this.onProgress.bind(this);
+      }
+
+      var chunks = [],
+          loaded = 0;
+      var promise = new Promise(function (resolve, reject) {
+        var readChunk = function readChunk(chunk) {
+          try {
+            if (!chunk.done) {
+              var data = chunk.value;
+              chunks.push(data);
+              loaded += (0, _util.arrayByteLength)(data);
+
+              if (rangeReader.isStreamingSupported) {
+                _this.onProgress({
+                  loaded: loaded
+                });
+              }
+
+              rangeReader.read().then(readChunk, reject);
+              return;
+            }
+
+            var chunkData = (0, _util.arraysToBytes)(chunks);
+            chunks = null;
+            resolve(chunkData);
+          } catch (e) {
+            reject(e);
+          }
+        };
+
+        rangeReader.read().then(readChunk, reject);
+      });
+      promise.then(function (data) {
+        if (_this.aborted) {
+          return;
+        }
+
+        _this.onReceiveData({
+          chunk: data,
+          begin: begin
+        });
+      });
+    }
+  }, {
+    key: "requestAllChunks",
+    value: function requestAllChunks() {
+      var missingChunks = this.stream.getMissingChunks();
+
+      this._requestChunks(missingChunks);
+
+      return this._loadedStreamCapability.promise;
+    }
+  }, {
+    key: "_requestChunks",
+    value: function _requestChunks(chunks) {
+      var _this2 = this;
+
+      var requestId = this.currRequestId++;
+      var chunksNeeded = new Set();
+
+      this._chunksNeededByRequest.set(requestId, chunksNeeded);
+
+      var _iterator = _createForOfIteratorHelper(chunks),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var chunk = _step.value;
+
+          if (!this.stream.hasChunk(chunk)) {
+            chunksNeeded.add(chunk);
+          }
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      if (chunksNeeded.size === 0) {
+        return Promise.resolve();
+      }
+
+      var capability = (0, _util.createPromiseCapability)();
+
+      this._promisesByRequest.set(requestId, capability);
+
+      var chunksToRequest = [];
+
+      var _iterator2 = _createForOfIteratorHelper(chunksNeeded),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var _chunk = _step2.value;
+
+          var requestIds = this._requestsByChunk.get(_chunk);
+
+          if (!requestIds) {
+            requestIds = [];
+
+            this._requestsByChunk.set(_chunk, requestIds);
+
+            chunksToRequest.push(_chunk);
+          }
+
+          requestIds.push(requestId);
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+
+      if (chunksToRequest.length > 0) {
+        var groupedChunksToRequest = this.groupChunks(chunksToRequest);
+
+        var _iterator3 = _createForOfIteratorHelper(groupedChunksToRequest),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var groupedChunk = _step3.value;
+            var begin = groupedChunk.beginChunk * this.chunkSize;
+            var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length);
+            this.sendRequest(begin, end);
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+      }
+
+      return capability.promise["catch"](function (reason) {
+        if (_this2.aborted) {
+          return;
+        }
+
+        throw reason;
+      });
+    }
+  }, {
+    key: "getStream",
+    value: function getStream() {
+      return this.stream;
+    }
+  }, {
+    key: "requestRange",
+    value: function requestRange(begin, end) {
+      end = Math.min(end, this.length);
+      var beginChunk = this.getBeginChunk(begin);
+      var endChunk = this.getEndChunk(end);
+      var chunks = [];
+
+      for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
+        chunks.push(chunk);
+      }
+
+      return this._requestChunks(chunks);
+    }
+  }, {
+    key: "requestRanges",
+    value: function requestRanges() {
+      var ranges = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+      var chunksToRequest = [];
+
+      var _iterator4 = _createForOfIteratorHelper(ranges),
+          _step4;
+
+      try {
+        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+          var range = _step4.value;
+          var beginChunk = this.getBeginChunk(range.begin);
+          var endChunk = this.getEndChunk(range.end);
+
+          for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
+            if (!chunksToRequest.includes(chunk)) {
+              chunksToRequest.push(chunk);
+            }
+          }
+        }
+      } catch (err) {
+        _iterator4.e(err);
+      } finally {
+        _iterator4.f();
+      }
+
+      chunksToRequest.sort(function (a, b) {
+        return a - b;
+      });
+      return this._requestChunks(chunksToRequest);
+    }
+  }, {
+    key: "groupChunks",
+    value: function groupChunks(chunks) {
+      var groupedChunks = [];
+      var beginChunk = -1;
+      var prevChunk = -1;
+
+      for (var i = 0, ii = chunks.length; i < ii; ++i) {
+        var chunk = chunks[i];
+
+        if (beginChunk < 0) {
+          beginChunk = chunk;
+        }
+
+        if (prevChunk >= 0 && prevChunk + 1 !== chunk) {
+          groupedChunks.push({
+            beginChunk: beginChunk,
+            endChunk: prevChunk + 1
+          });
+          beginChunk = chunk;
+        }
+
+        if (i + 1 === chunks.length) {
+          groupedChunks.push({
+            beginChunk: beginChunk,
+            endChunk: chunk + 1
+          });
+        }
+
+        prevChunk = chunk;
+      }
+
+      return groupedChunks;
+    }
+  }, {
+    key: "onProgress",
+    value: function onProgress(args) {
+      this.msgHandler.send("DocProgress", {
+        loaded: this.stream.numChunksLoaded * this.chunkSize + args.loaded,
+        total: this.length
+      });
+    }
+  }, {
+    key: "onReceiveData",
+    value: function onReceiveData(args) {
+      var chunk = args.chunk;
+      var isProgressive = args.begin === undefined;
+      var begin = isProgressive ? this.progressiveDataLength : args.begin;
+      var end = begin + chunk.byteLength;
+      var beginChunk = Math.floor(begin / this.chunkSize);
+      var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : Math.ceil(end / this.chunkSize);
+
+      if (isProgressive) {
+        this.stream.onReceiveProgressiveData(chunk);
+        this.progressiveDataLength = end;
+      } else {
+        this.stream.onReceiveData(begin, chunk);
+      }
+
+      if (this.stream.allChunksLoaded()) {
+        this._loadedStreamCapability.resolve(this.stream);
+      }
+
+      var loadedRequests = [];
+
+      for (var curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+        var requestIds = this._requestsByChunk.get(curChunk);
+
+        if (!requestIds) {
+          continue;
+        }
+
+        this._requestsByChunk["delete"](curChunk);
+
+        var _iterator5 = _createForOfIteratorHelper(requestIds),
+            _step5;
+
+        try {
+          for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+            var requestId = _step5.value;
+
+            var chunksNeeded = this._chunksNeededByRequest.get(requestId);
+
+            if (chunksNeeded.has(curChunk)) {
+              chunksNeeded["delete"](curChunk);
+            }
+
+            if (chunksNeeded.size > 0) {
+              continue;
+            }
+
+            loadedRequests.push(requestId);
+          }
+        } catch (err) {
+          _iterator5.e(err);
+        } finally {
+          _iterator5.f();
+        }
+      }
+
+      if (!this.disableAutoFetch && this._requestsByChunk.size === 0) {
+        var nextEmptyChunk;
+
+        if (this.stream.numChunksLoaded === 1) {
+          var lastChunk = this.stream.numChunks - 1;
+
+          if (!this.stream.hasChunk(lastChunk)) {
+            nextEmptyChunk = lastChunk;
+          }
+        } else {
+          nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);
+        }
+
+        if (Number.isInteger(nextEmptyChunk)) {
+          this._requestChunks([nextEmptyChunk]);
+        }
+      }
+
+      for (var _i = 0, _loadedRequests = loadedRequests; _i < _loadedRequests.length; _i++) {
+        var _requestId = _loadedRequests[_i];
+
+        var capability = this._promisesByRequest.get(_requestId);
+
+        this._promisesByRequest["delete"](_requestId);
+
+        capability.resolve();
+      }
+
+      this.msgHandler.send("DocProgress", {
+        loaded: this.stream.numChunksLoaded * this.chunkSize,
+        total: this.length
+      });
+    }
+  }, {
+    key: "onError",
+    value: function onError(err) {
+      this._loadedStreamCapability.reject(err);
+    }
+  }, {
+    key: "getBeginChunk",
+    value: function getBeginChunk(begin) {
+      return Math.floor(begin / this.chunkSize);
+    }
+  }, {
+    key: "getEndChunk",
+    value: function getEndChunk(end) {
+      return Math.floor((end - 1) / this.chunkSize) + 1;
+    }
+  }, {
+    key: "abort",
+    value: function abort(reason) {
+      this.aborted = true;
+
+      if (this.pdfNetworkStream) {
+        this.pdfNetworkStream.cancelAllRequests(reason);
+      }
+
+      var _iterator6 = _createForOfIteratorHelper(this._promisesByRequest.values()),
+          _step6;
+
+      try {
+        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+          var capability = _step6.value;
+          capability.reject(reason);
+        }
+      } catch (err) {
+        _iterator6.e(err);
+      } finally {
+        _iterator6.f();
+      }
+    }
+  }]);
+
+  return ChunkedStreamManager;
+}();
+
+exports.ChunkedStreamManager = ChunkedStreamManager;
+
+/***/ }),
+/* 205 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getInheritableProperty = getInheritableProperty;
+exports.toRomanNumerals = toRomanNumerals;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.isWhiteSpace = isWhiteSpace;
+exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function getLookupTableFactory(initializer) {
+  var lookup;
+  return function () {
+    if (initializer) {
+      lookup = Object.create(null);
+      initializer(lookup);
+      initializer = null;
+    }
+
+    return lookup;
+  };
+}
+
+var MissingDataException = /*#__PURE__*/function (_BaseException) {
+  _inherits(MissingDataException, _BaseException);
+
+  var _super = _createSuper(MissingDataException);
+
+  function MissingDataException(begin, end) {
+    var _this;
+
+    _classCallCheck(this, MissingDataException);
+
+    _this = _super.call(this, "Missing data [".concat(begin, ", ").concat(end, ")"));
+    _this.begin = begin;
+    _this.end = end;
+    return _this;
+  }
+
+  return MissingDataException;
+}(_util.BaseException);
+
+exports.MissingDataException = MissingDataException;
+
+var XRefEntryException = /*#__PURE__*/function (_BaseException2) {
+  _inherits(XRefEntryException, _BaseException2);
+
+  var _super2 = _createSuper(XRefEntryException);
+
+  function XRefEntryException() {
+    _classCallCheck(this, XRefEntryException);
+
+    return _super2.apply(this, arguments);
+  }
+
+  return XRefEntryException;
+}(_util.BaseException);
+
+exports.XRefEntryException = XRefEntryException;
+
+var XRefParseException = /*#__PURE__*/function (_BaseException3) {
+  _inherits(XRefParseException, _BaseException3);
+
+  var _super3 = _createSuper(XRefParseException);
+
+  function XRefParseException() {
+    _classCallCheck(this, XRefParseException);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return XRefParseException;
+}(_util.BaseException);
+
+exports.XRefParseException = XRefParseException;
+
+function getInheritableProperty(_ref) {
+  var dict = _ref.dict,
+      key = _ref.key,
+      _ref$getArray = _ref.getArray,
+      getArray = _ref$getArray === void 0 ? false : _ref$getArray,
+      _ref$stopWhenFound = _ref.stopWhenFound,
+      stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound;
+  var LOOP_LIMIT = 100;
+  var loopCount = 0;
+  var values;
+
+  while (dict) {
+    var value = getArray ? dict.getArray(key) : dict.get(key);
+
+    if (value !== undefined) {
+      if (stopWhenFound) {
+        return value;
+      }
+
+      if (!values) {
+        values = [];
+      }
+
+      values.push(value);
+    }
+
+    if (++loopCount > LOOP_LIMIT) {
+      (0, _util.warn)("getInheritableProperty: maximum loop count exceeded for \"".concat(key, "\""));
+      break;
+    }
+
+    dict = dict.get("Parent");
+  }
+
+  return values;
+}
+
+var ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
+
+function toRomanNumerals(number) {
+  var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
+  var romanBuf = [];
+  var pos;
+
+  while (number >= 1000) {
+    number -= 1000;
+    romanBuf.push("M");
+  }
+
+  pos = number / 100 | 0;
+  number %= 100;
+  romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+  pos = number / 10 | 0;
+  number %= 10;
+  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+  var romanStr = romanBuf.join("");
+  return lowerCase ? romanStr.toLowerCase() : romanStr;
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, offset) {
+  return data[offset] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isWhiteSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
+}
+
+/***/ }),
+/* 206 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDocument = exports.Page = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _obj = __w_pdfjs_require__(207);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _annotation = __w_pdfjs_require__(222);
+
+var _crypto = __w_pdfjs_require__(219);
+
+var _parser = __w_pdfjs_require__(208);
+
+var _operator_list = __w_pdfjs_require__(223);
+
+var _evaluator = __w_pdfjs_require__(225);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var DEFAULT_USER_UNIT = 1.0;
+var LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];
+
+function isAnnotationRenderable(annotation, intent) {
+  return intent === "display" && annotation.viewable || intent === "print" && annotation.printable;
+}
+
+var Page = /*#__PURE__*/function () {
+  function Page(_ref) {
+    var pdfManager = _ref.pdfManager,
+        xref = _ref.xref,
+        pageIndex = _ref.pageIndex,
+        pageDict = _ref.pageDict,
+        ref = _ref.ref,
+        globalIdFactory = _ref.globalIdFactory,
+        fontCache = _ref.fontCache,
+        builtInCMapCache = _ref.builtInCMapCache,
+        globalImageCache = _ref.globalImageCache;
+
+    _classCallCheck(this, Page);
+
+    this.pdfManager = pdfManager;
+    this.pageIndex = pageIndex;
+    this.pageDict = pageDict;
+    this.xref = xref;
+    this.ref = ref;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.evaluatorOptions = pdfManager.evaluatorOptions;
+    this.resourcesPromise = null;
+    var idCounters = {
+      obj: 0
+    };
+
+    this._localIdFactory = /*#__PURE__*/function (_globalIdFactory) {
+      _inherits(_class, _globalIdFactory);
+
+      var _super = _createSuper(_class);
+
+      function _class() {
+        _classCallCheck(this, _class);
+
+        return _super.apply(this, arguments);
+      }
+
+      _createClass(_class, null, [{
+        key: "createObjId",
+        value: function createObjId() {
+          return "p".concat(pageIndex, "_").concat(++idCounters.obj);
+        }
+      }]);
+
+      return _class;
+    }(globalIdFactory);
+  }
+
+  _createClass(Page, [{
+    key: "_getInheritableProperty",
+    value: function _getInheritableProperty(key) {
+      var getArray = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var value = (0, _core_utils.getInheritableProperty)({
+        dict: this.pageDict,
+        key: key,
+        getArray: getArray,
+        stopWhenFound: false
+      });
+
+      if (!Array.isArray(value)) {
+        return value;
+      }
+
+      if (value.length === 1 || !(0, _primitives.isDict)(value[0])) {
+        return value[0];
+      }
+
+      return _primitives.Dict.merge({
+        xref: this.xref,
+        dictArray: value
+      });
+    }
+  }, {
+    key: "_getBoundingBox",
+    value: function _getBoundingBox(name) {
+      var box = this._getInheritableProperty(name, true);
+
+      if (Array.isArray(box) && box.length === 4) {
+        if (box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+          return box;
+        }
+
+        (0, _util.warn)("Empty /".concat(name, " entry."));
+      }
+
+      return null;
+    }
+  }, {
+    key: "getContentStream",
+    value: function getContentStream() {
+      var content = this.content;
+      var stream;
+
+      if (Array.isArray(content)) {
+        var xref = this.xref;
+        var streams = [];
+
+        var _iterator = _createForOfIteratorHelper(content),
+            _step;
+
+        try {
+          for (_iterator.s(); !(_step = _iterator.n()).done;) {
+            var subStream = _step.value;
+            streams.push(xref.fetchIfRef(subStream));
+          }
+        } catch (err) {
+          _iterator.e(err);
+        } finally {
+          _iterator.f();
+        }
+
+        stream = new _stream.StreamsSequenceStream(streams);
+      } else if ((0, _primitives.isStream)(content)) {
+        stream = content;
+      } else {
+        stream = new _stream.NullStream();
+      }
+
+      return stream;
+    }
+  }, {
+    key: "save",
+    value: function save(handler, task, annotationStorage) {
+      var partialEvaluator = new _evaluator.PartialEvaluator({
+        xref: this.xref,
+        handler: handler,
+        pageIndex: this.pageIndex,
+        idFactory: this._localIdFactory,
+        fontCache: this.fontCache,
+        builtInCMapCache: this.builtInCMapCache,
+        globalImageCache: this.globalImageCache,
+        options: this.evaluatorOptions
+      });
+      return this._parsedAnnotations.then(function (annotations) {
+        var newRefsPromises = [];
+
+        var _iterator2 = _createForOfIteratorHelper(annotations),
+            _step2;
+
+        try {
+          for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+            var annotation = _step2.value;
+
+            if (!isAnnotationRenderable(annotation, "print")) {
+              continue;
+            }
+
+            newRefsPromises.push(annotation.save(partialEvaluator, task, annotationStorage)["catch"](function (reason) {
+              (0, _util.warn)("save - ignoring annotation data during " + "\"".concat(task.name, "\" task: \"").concat(reason, "\"."));
+              return null;
+            }));
+          }
+        } catch (err) {
+          _iterator2.e(err);
+        } finally {
+          _iterator2.f();
+        }
+
+        return Promise.all(newRefsPromises);
+      });
+    }
+  }, {
+    key: "loadResources",
+    value: function loadResources(keys) {
+      var _this = this;
+
+      if (!this.resourcesPromise) {
+        this.resourcesPromise = this.pdfManager.ensure(this, "resources");
+      }
+
+      return this.resourcesPromise.then(function () {
+        var objectLoader = new _obj.ObjectLoader(_this.resources, keys, _this.xref);
+        return objectLoader.load();
+      });
+    }
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList(_ref2) {
+      var _this2 = this;
+
+      var handler = _ref2.handler,
+          sink = _ref2.sink,
+          task = _ref2.task,
+          intent = _ref2.intent,
+          renderInteractiveForms = _ref2.renderInteractiveForms,
+          annotationStorage = _ref2.annotationStorage;
+      var contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+      var resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+      var partialEvaluator = new _evaluator.PartialEvaluator({
+        xref: this.xref,
+        handler: handler,
+        pageIndex: this.pageIndex,
+        idFactory: this._localIdFactory,
+        fontCache: this.fontCache,
+        builtInCMapCache: this.builtInCMapCache,
+        globalImageCache: this.globalImageCache,
+        options: this.evaluatorOptions
+      });
+      var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+      var pageListPromise = dataPromises.then(function (_ref3) {
+        var _ref4 = _slicedToArray(_ref3, 1),
+            contentStream = _ref4[0];
+
+        var opList = new _operator_list.OperatorList(intent, sink);
+        handler.send("StartRenderPage", {
+          transparency: partialEvaluator.hasBlendModes(_this2.resources),
+          pageIndex: _this2.pageIndex,
+          intent: intent
+        });
+        return partialEvaluator.getOperatorList({
+          stream: contentStream,
+          task: task,
+          resources: _this2.resources,
+          operatorList: opList
+        }).then(function () {
+          return opList;
+        });
+      });
+      return Promise.all([pageListPromise, this._parsedAnnotations]).then(function (_ref5) {
+        var _ref6 = _slicedToArray(_ref5, 2),
+            pageOpList = _ref6[0],
+            annotations = _ref6[1];
+
+        if (annotations.length === 0) {
+          pageOpList.flush(true);
+          return {
+            length: pageOpList.totalLength
+          };
+        }
+
+        var opListPromises = [];
+
+        var _iterator3 = _createForOfIteratorHelper(annotations),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var annotation = _step3.value;
+
+            if (isAnnotationRenderable(annotation, intent)) {
+              opListPromises.push(annotation.getOperatorList(partialEvaluator, task, renderInteractiveForms, annotationStorage)["catch"](function (reason) {
+                (0, _util.warn)("getOperatorList - ignoring annotation data during " + "\"".concat(task.name, "\" task: \"").concat(reason, "\"."));
+                return null;
+              }));
+            }
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+
+        return Promise.all(opListPromises).then(function (opLists) {
+          pageOpList.addOp(_util.OPS.beginAnnotations, []);
+
+          var _iterator4 = _createForOfIteratorHelper(opLists),
+              _step4;
+
+          try {
+            for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+              var opList = _step4.value;
+              pageOpList.addOpList(opList);
+            }
+          } catch (err) {
+            _iterator4.e(err);
+          } finally {
+            _iterator4.f();
+          }
+
+          pageOpList.addOp(_util.OPS.endAnnotations, []);
+          pageOpList.flush(true);
+          return {
+            length: pageOpList.totalLength
+          };
+        });
+      });
+    }
+  }, {
+    key: "extractTextContent",
+    value: function extractTextContent(_ref7) {
+      var _this3 = this;
+
+      var handler = _ref7.handler,
+          task = _ref7.task,
+          normalizeWhitespace = _ref7.normalizeWhitespace,
+          sink = _ref7.sink,
+          combineTextItems = _ref7.combineTextItems;
+      var contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+      var resourcesPromise = this.loadResources(["ExtGState", "XObject", "Font"]);
+      var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+      return dataPromises.then(function (_ref8) {
+        var _ref9 = _slicedToArray(_ref8, 1),
+            contentStream = _ref9[0];
+
+        var partialEvaluator = new _evaluator.PartialEvaluator({
+          xref: _this3.xref,
+          handler: handler,
+          pageIndex: _this3.pageIndex,
+          idFactory: _this3._localIdFactory,
+          fontCache: _this3.fontCache,
+          builtInCMapCache: _this3.builtInCMapCache,
+          globalImageCache: _this3.globalImageCache,
+          options: _this3.evaluatorOptions
+        });
+        return partialEvaluator.getTextContent({
+          stream: contentStream,
+          task: task,
+          resources: _this3.resources,
+          normalizeWhitespace: normalizeWhitespace,
+          combineTextItems: combineTextItems,
+          sink: sink
+        });
+      });
+    }
+  }, {
+    key: "getAnnotationsData",
+    value: function getAnnotationsData(intent) {
+      return this._parsedAnnotations.then(function (annotations) {
+        var annotationsData = [];
+
+        for (var i = 0, ii = annotations.length; i < ii; i++) {
+          if (!intent || isAnnotationRenderable(annotations[i], intent)) {
+            annotationsData.push(annotations[i].data);
+          }
+        }
+
+        return annotationsData;
+      });
+    }
+  }, {
+    key: "content",
+    get: function get() {
+      return this.pageDict.get("Contents");
+    }
+  }, {
+    key: "resources",
+    get: function get() {
+      return (0, _util.shadow)(this, "resources", this._getInheritableProperty("Resources") || _primitives.Dict.empty);
+    }
+  }, {
+    key: "mediaBox",
+    get: function get() {
+      return (0, _util.shadow)(this, "mediaBox", this._getBoundingBox("MediaBox") || LETTER_SIZE_MEDIABOX);
+    }
+  }, {
+    key: "cropBox",
+    get: function get() {
+      return (0, _util.shadow)(this, "cropBox", this._getBoundingBox("CropBox") || this.mediaBox);
+    }
+  }, {
+    key: "userUnit",
+    get: function get() {
+      var obj = this.pageDict.get("UserUnit");
+
+      if (!(0, _util.isNum)(obj) || obj <= 0) {
+        obj = DEFAULT_USER_UNIT;
+      }
+
+      return (0, _util.shadow)(this, "userUnit", obj);
+    }
+  }, {
+    key: "view",
+    get: function get() {
+      var cropBox = this.cropBox,
+          mediaBox = this.mediaBox;
+      var view;
+
+      if (cropBox === mediaBox || (0, _util.isArrayEqual)(cropBox, mediaBox)) {
+        view = mediaBox;
+      } else {
+        var box = _util.Util.intersect(cropBox, mediaBox);
+
+        if (box && box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+          view = box;
+        } else {
+          (0, _util.warn)("Empty /CropBox and /MediaBox intersection.");
+        }
+      }
+
+      return (0, _util.shadow)(this, "view", view || mediaBox);
+    }
+  }, {
+    key: "rotate",
+    get: function get() {
+      var rotate = this._getInheritableProperty("Rotate") || 0;
+
+      if (rotate % 90 !== 0) {
+        rotate = 0;
+      } else if (rotate >= 360) {
+        rotate = rotate % 360;
+      } else if (rotate < 0) {
+        rotate = (rotate % 360 + 360) % 360;
+      }
+
+      return (0, _util.shadow)(this, "rotate", rotate);
+    }
+  }, {
+    key: "annotations",
+    get: function get() {
+      return (0, _util.shadow)(this, "annotations", this._getInheritableProperty("Annots") || []);
+    }
+  }, {
+    key: "_parsedAnnotations",
+    get: function get() {
+      var _this4 = this;
+
+      var parsedAnnotations = this.pdfManager.ensure(this, "annotations").then(function () {
+        var annotationPromises = [];
+
+        var _iterator5 = _createForOfIteratorHelper(_this4.annotations),
+            _step5;
+
+        try {
+          for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+            var annotationRef = _step5.value;
+            annotationPromises.push(_annotation.AnnotationFactory.create(_this4.xref, annotationRef, _this4.pdfManager, _this4._localIdFactory)["catch"](function (reason) {
+              (0, _util.warn)("_parsedAnnotations: \"".concat(reason, "\"."));
+              return null;
+            }));
+          }
+        } catch (err) {
+          _iterator5.e(err);
+        } finally {
+          _iterator5.f();
+        }
+
+        return Promise.all(annotationPromises).then(function (annotations) {
+          return annotations.filter(function (annotation) {
+            return !!annotation;
+          });
+        });
+      });
+      return (0, _util.shadow)(this, "_parsedAnnotations", parsedAnnotations);
+    }
+  }]);
+
+  return Page;
+}();
+
+exports.Page = Page;
+var PDF_HEADER_SIGNATURE = new Uint8Array([0x25, 0x50, 0x44, 0x46, 0x2d]);
+var STARTXREF_SIGNATURE = new Uint8Array([0x73, 0x74, 0x61, 0x72, 0x74, 0x78, 0x72, 0x65, 0x66]);
+var ENDOBJ_SIGNATURE = new Uint8Array([0x65, 0x6e, 0x64, 0x6f, 0x62, 0x6a]);
+var FINGERPRINT_FIRST_BYTES = 1024;
+var EMPTY_FINGERPRINT = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
+var PDF_HEADER_VERSION_REGEXP = /^[1-9]\.[0-9]$/;
+
+function find(stream, signature) {
+  var limit = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1024;
+  var backwards = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+  var signatureLength = signature.length;
+  var scanBytes = stream.peekBytes(limit);
+  var scanLength = scanBytes.length - signatureLength;
+
+  if (scanLength <= 0) {
+    return false;
+  }
+
+  if (backwards) {
+    var signatureEnd = signatureLength - 1;
+    var pos = scanBytes.length - 1;
+
+    while (pos >= signatureEnd) {
+      var j = 0;
+
+      while (j < signatureLength && scanBytes[pos - j] === signature[signatureEnd - j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        stream.pos += pos - signatureEnd;
+        return true;
+      }
+
+      pos--;
+    }
+  } else {
+    var _pos = 0;
+
+    while (_pos <= scanLength) {
+      var _j = 0;
+
+      while (_j < signatureLength && scanBytes[_pos + _j] === signature[_j]) {
+        _j++;
+      }
+
+      if (_j >= signatureLength) {
+        stream.pos += _pos;
+        return true;
+      }
+
+      _pos++;
+    }
+  }
+
+  return false;
+}
+
+var PDFDocument = /*#__PURE__*/function () {
+  function PDFDocument(pdfManager, arg) {
+    _classCallCheck(this, PDFDocument);
+
+    var stream;
+
+    if ((0, _primitives.isStream)(arg)) {
+      stream = arg;
+    } else if ((0, _util.isArrayBuffer)(arg)) {
+      stream = new _stream.Stream(arg);
+    } else {
+      throw new Error("PDFDocument: Unknown argument type");
+    }
+
+    if (stream.length <= 0) {
+      throw new _util.InvalidPDFException("The PDF file is empty, i.e. its size is zero bytes.");
+    }
+
+    this.pdfManager = pdfManager;
+    this.stream = stream;
+    this.xref = new _obj.XRef(stream, pdfManager);
+    this._pagePromises = [];
+    this._version = null;
+    var idCounters = {
+      font: 0
+    };
+
+    this._globalIdFactory = /*#__PURE__*/function () {
+      function _class2() {
+        _classCallCheck(this, _class2);
+      }
+
+      _createClass(_class2, null, [{
+        key: "getDocId",
+        value: function getDocId() {
+          return "g_".concat(pdfManager.docId);
+        }
+      }, {
+        key: "createFontId",
+        value: function createFontId() {
+          return "f".concat(++idCounters.font);
+        }
+      }, {
+        key: "createObjId",
+        value: function createObjId() {
+          (0, _util.unreachable)("Abstract method `createObjId` called.");
+        }
+      }]);
+
+      return _class2;
+    }();
+  }
+
+  _createClass(PDFDocument, [{
+    key: "parse",
+    value: function parse(recoveryMode) {
+      this.xref.parse(recoveryMode);
+      this.catalog = new _obj.Catalog(this.pdfManager, this.xref);
+
+      if (this.catalog.version) {
+        this._version = this.catalog.version;
+      }
+    }
+  }, {
+    key: "checkHeader",
+    value: function checkHeader() {
+      var stream = this.stream;
+      stream.reset();
+
+      if (!find(stream, PDF_HEADER_SIGNATURE)) {
+        return;
+      }
+
+      stream.moveStart();
+      var MAX_PDF_VERSION_LENGTH = 12;
+      var version = "",
+          ch;
+
+      while ((ch = stream.getByte()) > 0x20) {
+        if (version.length >= MAX_PDF_VERSION_LENGTH) {
+          break;
+        }
+
+        version += String.fromCharCode(ch);
+      }
+
+      if (!this._version) {
+        this._version = version.substring(5);
+      }
+    }
+  }, {
+    key: "parseStartXRef",
+    value: function parseStartXRef() {
+      this.xref.setStartXRef(this.startXRef);
+    }
+  }, {
+    key: "_hasOnlyDocumentSignatures",
+    value: function _hasOnlyDocumentSignatures(fields) {
+      var _this5 = this;
+
+      var recursionDepth = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+      var RECURSION_LIMIT = 10;
+      return fields.every(function (field) {
+        field = _this5.xref.fetchIfRef(field);
+
+        if (field.has("Kids")) {
+          if (++recursionDepth > RECURSION_LIMIT) {
+            (0, _util.warn)("_hasOnlyDocumentSignatures: maximum recursion depth reached");
+            return false;
+          }
+
+          return _this5._hasOnlyDocumentSignatures(field.get("Kids"), recursionDepth);
+        }
+
+        var isSignature = (0, _primitives.isName)(field.get("FT"), "Sig");
+        var rectangle = field.get("Rect");
+        var isInvisible = Array.isArray(rectangle) && rectangle.every(function (value) {
+          return value === 0;
+        });
+        return isSignature && isInvisible;
+      });
+    }
+  }, {
+    key: "_getLinearizationPage",
+    value: function _getLinearizationPage(pageIndex) {
+      var catalog = this.catalog,
+          linearization = this.linearization;
+
+      var ref = _primitives.Ref.get(linearization.objectNumberFirst, 0);
+
+      return this.xref.fetchAsync(ref).then(function (obj) {
+        if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Type") && obj.has("Contents")) {
+          if (ref && !catalog.pageKidsCountCache.has(ref)) {
+            catalog.pageKidsCountCache.put(ref, 1);
+          }
+
+          return [obj, ref];
+        }
+
+        throw new _util.FormatError("The Linearization dictionary doesn't point " + "to a valid Page dictionary.");
+      })["catch"](function (reason) {
+        (0, _util.info)(reason);
+        return catalog.getPageDict(pageIndex);
+      });
+    }
+  }, {
+    key: "getPage",
+    value: function getPage(pageIndex) {
+      var _this6 = this;
+
+      if (this._pagePromises[pageIndex] !== undefined) {
+        return this._pagePromises[pageIndex];
+      }
+
+      var catalog = this.catalog,
+          linearization = this.linearization;
+      var promise = linearization && linearization.pageFirst === pageIndex ? this._getLinearizationPage(pageIndex) : catalog.getPageDict(pageIndex);
+      return this._pagePromises[pageIndex] = promise.then(function (_ref10) {
+        var _ref11 = _slicedToArray(_ref10, 2),
+            pageDict = _ref11[0],
+            ref = _ref11[1];
+
+        return new Page({
+          pdfManager: _this6.pdfManager,
+          xref: _this6.xref,
+          pageIndex: pageIndex,
+          pageDict: pageDict,
+          ref: ref,
+          globalIdFactory: _this6._globalIdFactory,
+          fontCache: catalog.fontCache,
+          builtInCMapCache: catalog.builtInCMapCache,
+          globalImageCache: catalog.globalImageCache
+        });
+      });
+    }
+  }, {
+    key: "checkFirstPage",
+    value: function checkFirstPage() {
+      var _this7 = this;
+
+      return this.getPage(0)["catch"]( /*#__PURE__*/function () {
+        var _ref12 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(reason) {
+          return _regenerator["default"].wrap(function _callee$(_context) {
+            while (1) {
+              switch (_context.prev = _context.next) {
+                case 0:
+                  if (!(reason instanceof _core_utils.XRefEntryException)) {
+                    _context.next = 5;
+                    break;
+                  }
+
+                  _this7._pagePromises.length = 0;
+                  _context.next = 4;
+                  return _this7.cleanup();
+
+                case 4:
+                  throw new _core_utils.XRefParseException();
+
+                case 5:
+                case "end":
+                  return _context.stop();
+              }
+            }
+          }, _callee);
+        }));
+
+        return function (_x) {
+          return _ref12.apply(this, arguments);
+        };
+      }());
+    }
+  }, {
+    key: "fontFallback",
+    value: function fontFallback(id, handler) {
+      return this.catalog.fontFallback(id, handler);
+    }
+  }, {
+    key: "cleanup",
+    value: function () {
+      var _cleanup = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var manuallyTriggered,
+            _args2 = arguments;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                manuallyTriggered = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : false;
+                return _context2.abrupt("return", this.catalog ? this.catalog.cleanup(manuallyTriggered) : (0, _primitives.clearPrimitiveCaches)());
+
+              case 2:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function cleanup() {
+        return _cleanup.apply(this, arguments);
+      }
+
+      return cleanup;
+    }()
+  }, {
+    key: "linearization",
+    get: function get() {
+      var linearization = null;
+
+      try {
+        linearization = _parser.Linearization.create(this.stream);
+      } catch (err) {
+        if (err instanceof _core_utils.MissingDataException) {
+          throw err;
+        }
+
+        (0, _util.info)(err);
+      }
+
+      return (0, _util.shadow)(this, "linearization", linearization);
+    }
+  }, {
+    key: "startXRef",
+    get: function get() {
+      var stream = this.stream;
+      var startXRef = 0;
+
+      if (this.linearization) {
+        stream.reset();
+
+        if (find(stream, ENDOBJ_SIGNATURE)) {
+          startXRef = stream.pos + 6 - stream.start;
+        }
+      } else {
+        var step = 1024;
+        var startXRefLength = STARTXREF_SIGNATURE.length;
+        var found = false,
+            pos = stream.end;
+
+        while (!found && pos > 0) {
+          pos -= step - startXRefLength;
+
+          if (pos < 0) {
+            pos = 0;
+          }
+
+          stream.pos = pos;
+          found = find(stream, STARTXREF_SIGNATURE, step, true);
+        }
+
+        if (found) {
+          stream.skip(9);
+          var ch;
+
+          do {
+            ch = stream.getByte();
+          } while ((0, _core_utils.isWhiteSpace)(ch));
+
+          var str = "";
+
+          while (ch >= 0x20 && ch <= 0x39) {
+            str += String.fromCharCode(ch);
+            ch = stream.getByte();
+          }
+
+          startXRef = parseInt(str, 10);
+
+          if (isNaN(startXRef)) {
+            startXRef = 0;
+          }
+        }
+      }
+
+      return (0, _util.shadow)(this, "startXRef", startXRef);
+    }
+  }, {
+    key: "numPages",
+    get: function get() {
+      var linearization = this.linearization;
+      var num = linearization ? linearization.numPages : this.catalog.numPages;
+      return (0, _util.shadow)(this, "numPages", num);
+    }
+  }, {
+    key: "formInfo",
+    get: function get() {
+      var formInfo = {
+        hasAcroForm: false,
+        hasXfa: false
+      };
+      var acroForm = this.catalog.acroForm;
+
+      if (!acroForm) {
+        return (0, _util.shadow)(this, "formInfo", formInfo);
+      }
+
+      try {
+        var xfa = acroForm.get("XFA");
+        var hasXfa = Array.isArray(xfa) && xfa.length > 0 || (0, _primitives.isStream)(xfa) && !xfa.isEmpty;
+        formInfo.hasXfa = hasXfa;
+        var fields = acroForm.get("Fields");
+        var hasFields = Array.isArray(fields) && fields.length > 0;
+        var sigFlags = acroForm.get("SigFlags");
+
+        var hasOnlyDocumentSignatures = !!(sigFlags & 0x1) && this._hasOnlyDocumentSignatures(fields);
+
+        formInfo.hasAcroForm = hasFields && !hasOnlyDocumentSignatures;
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.info)("Cannot fetch form information.");
+      }
+
+      return (0, _util.shadow)(this, "formInfo", formInfo);
+    }
+  }, {
+    key: "documentInfo",
+    get: function get() {
+      var DocumentInfoValidators = {
+        Title: _util.isString,
+        Author: _util.isString,
+        Subject: _util.isString,
+        Keywords: _util.isString,
+        Creator: _util.isString,
+        Producer: _util.isString,
+        CreationDate: _util.isString,
+        ModDate: _util.isString,
+        Trapped: _primitives.isName
+      };
+      var version = this._version;
+
+      if (typeof version !== "string" || !PDF_HEADER_VERSION_REGEXP.test(version)) {
+        (0, _util.warn)("Invalid PDF header version number: ".concat(version));
+        version = null;
+      }
+
+      var docInfo = {
+        PDFFormatVersion: version,
+        IsLinearized: !!this.linearization,
+        IsAcroFormPresent: this.formInfo.hasAcroForm,
+        IsXFAPresent: this.formInfo.hasXfa,
+        IsCollectionPresent: !!this.catalog.collection
+      };
+      var infoDict;
+
+      try {
+        infoDict = this.xref.trailer.get("Info");
+      } catch (err) {
+        if (err instanceof _core_utils.MissingDataException) {
+          throw err;
+        }
+
+        (0, _util.info)("The document information dictionary is invalid.");
+      }
+
+      if ((0, _primitives.isDict)(infoDict)) {
+        var _iterator6 = _createForOfIteratorHelper(infoDict.getKeys()),
+            _step6;
+
+        try {
+          for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+            var key = _step6.value;
+            var value = infoDict.get(key);
+
+            if (DocumentInfoValidators[key]) {
+              if (DocumentInfoValidators[key](value)) {
+                docInfo[key] = typeof value !== "string" ? value : (0, _util.stringToPDFString)(value);
+              } else {
+                (0, _util.info)("Bad value in document info for \"".concat(key, "\"."));
+              }
+            } else if (typeof key === "string") {
+              var customValue = void 0;
+
+              if ((0, _util.isString)(value)) {
+                customValue = (0, _util.stringToPDFString)(value);
+              } else if ((0, _primitives.isName)(value) || (0, _util.isNum)(value) || (0, _util.isBool)(value)) {
+                customValue = value;
+              } else {
+                (0, _util.info)("Unsupported value in document info for (custom) \"".concat(key, "\"."));
+                continue;
+              }
+
+              if (!docInfo.Custom) {
+                docInfo.Custom = Object.create(null);
+              }
+
+              docInfo.Custom[key] = customValue;
+            }
+          }
+        } catch (err) {
+          _iterator6.e(err);
+        } finally {
+          _iterator6.f();
+        }
+      }
+
+      return (0, _util.shadow)(this, "documentInfo", docInfo);
+    }
+  }, {
+    key: "fingerprint",
+    get: function get() {
+      var hash;
+      var idArray = this.xref.trailer.get("ID");
+
+      if (Array.isArray(idArray) && idArray[0] && (0, _util.isString)(idArray[0]) && idArray[0] !== EMPTY_FINGERPRINT) {
+        hash = (0, _util.stringToBytes)(idArray[0]);
+      } else {
+        hash = (0, _crypto.calculateMD5)(this.stream.getByteRange(0, FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES);
+      }
+
+      var fingerprintBuf = [];
+
+      for (var i = 0, ii = hash.length; i < ii; i++) {
+        var hex = hash[i].toString(16);
+        fingerprintBuf.push(hex.padStart(2, "0"));
+      }
+
+      return (0, _util.shadow)(this, "fingerprint", fingerprintBuf.join(""));
+    }
+  }]);
+
+  return PDFDocument;
+}();
+
+exports.PDFDocument = PDFDocument;
+
+/***/ }),
+/* 207 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FileSpec = exports.XRef = exports.ObjectLoader = exports.Catalog = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _parser = __w_pdfjs_require__(208);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _crypto = __w_pdfjs_require__(219);
+
+var _colorspace = __w_pdfjs_require__(220);
+
+var _image_utils = __w_pdfjs_require__(221);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function fetchDestination(dest) {
+  return (0, _primitives.isDict)(dest) ? dest.get("D") : dest;
+}
+
+var Catalog = /*#__PURE__*/function () {
+  function Catalog(pdfManager, xref) {
+    _classCallCheck(this, Catalog);
+
+    this.pdfManager = pdfManager;
+    this.xref = xref;
+    this._catDict = xref.getCatalogObj();
+
+    if (!(0, _primitives.isDict)(this._catDict)) {
+      throw new _util.FormatError("Catalog object is not a dictionary.");
+    }
+
+    this.fontCache = new _primitives.RefSetCache();
+    this.builtInCMapCache = new Map();
+    this.globalImageCache = new _image_utils.GlobalImageCache();
+    this.pageKidsCountCache = new _primitives.RefSetCache();
+  }
+
+  _createClass(Catalog, [{
+    key: "_readDocumentOutline",
+    value: function _readDocumentOutline() {
+      var obj = this._catDict.get("Outlines");
+
+      if (!(0, _primitives.isDict)(obj)) {
+        return null;
+      }
+
+      obj = obj.getRaw("First");
+
+      if (!(0, _primitives.isRef)(obj)) {
+        return null;
+      }
+
+      var root = {
+        items: []
+      };
+      var queue = [{
+        obj: obj,
+        parent: root
+      }];
+      var processed = new _primitives.RefSet();
+      processed.put(obj);
+      var xref = this.xref,
+          blackColor = new Uint8ClampedArray(3);
+
+      while (queue.length > 0) {
+        var i = queue.shift();
+        var outlineDict = xref.fetchIfRef(i.obj);
+
+        if (outlineDict === null) {
+          continue;
+        }
+
+        if (!outlineDict.has("Title")) {
+          throw new _util.FormatError("Invalid outline item encountered.");
+        }
+
+        var data = {
+          url: null,
+          dest: null
+        };
+        Catalog.parseDestDictionary({
+          destDict: outlineDict,
+          resultObj: data,
+          docBaseUrl: this.pdfManager.docBaseUrl
+        });
+        var title = outlineDict.get("Title");
+        var flags = outlineDict.get("F") || 0;
+        var color = outlineDict.getArray("C");
+        var count = outlineDict.get("Count");
+        var rgbColor = blackColor;
+
+        if (Array.isArray(color) && color.length === 3 && (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)) {
+          rgbColor = _colorspace.ColorSpace.singletons.rgb.getRgb(color, 0);
+        }
+
+        var outlineItem = {
+          dest: data.dest,
+          url: data.url,
+          unsafeUrl: data.unsafeUrl,
+          newWindow: data.newWindow,
+          title: (0, _util.stringToPDFString)(title),
+          color: rgbColor,
+          count: Number.isInteger(count) ? count : undefined,
+          bold: !!(flags & 2),
+          italic: !!(flags & 1),
+          items: []
+        };
+        i.parent.items.push(outlineItem);
+        obj = outlineDict.getRaw("First");
+
+        if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+          queue.push({
+            obj: obj,
+            parent: outlineItem
+          });
+          processed.put(obj);
+        }
+
+        obj = outlineDict.getRaw("Next");
+
+        if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+          queue.push({
+            obj: obj,
+            parent: i.parent
+          });
+          processed.put(obj);
+        }
+      }
+
+      return root.items.length > 0 ? root.items : null;
+    }
+  }, {
+    key: "_readPermissions",
+    value: function _readPermissions() {
+      var encrypt = this.xref.trailer.get("Encrypt");
+
+      if (!(0, _primitives.isDict)(encrypt)) {
+        return null;
+      }
+
+      var flags = encrypt.get("P");
+
+      if (!(0, _util.isNum)(flags)) {
+        return null;
+      }
+
+      flags += Math.pow(2, 32);
+      var permissions = [];
+
+      for (var key in _util.PermissionFlag) {
+        var value = _util.PermissionFlag[key];
+
+        if (flags & value) {
+          permissions.push(value);
+        }
+      }
+
+      return permissions;
+    }
+  }, {
+    key: "_readOptionalContentConfig",
+    value: function _readOptionalContentConfig(config, contentGroupRefs) {
+      function parseOnOff(refs) {
+        var onParsed = [];
+
+        if (Array.isArray(refs)) {
+          var _iterator = _createForOfIteratorHelper(refs),
+              _step;
+
+          try {
+            for (_iterator.s(); !(_step = _iterator.n()).done;) {
+              var value = _step.value;
+
+              if (!(0, _primitives.isRef)(value)) {
+                continue;
+              }
+
+              if (contentGroupRefs.includes(value)) {
+                onParsed.push(value.toString());
+              }
+            }
+          } catch (err) {
+            _iterator.e(err);
+          } finally {
+            _iterator.f();
+          }
+        }
+
+        return onParsed;
+      }
+
+      function parseOrder(refs) {
+        var nestedLevels = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+
+        if (!Array.isArray(refs)) {
+          return null;
+        }
+
+        var order = [];
+
+        var _iterator2 = _createForOfIteratorHelper(refs),
+            _step2;
+
+        try {
+          for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+            var value = _step2.value;
+
+            if ((0, _primitives.isRef)(value) && contentGroupRefs.includes(value)) {
+              parsedOrderRefs.put(value);
+              order.push(value.toString());
+              continue;
+            }
+
+            var nestedOrder = parseNestedOrder(value, nestedLevels);
+
+            if (nestedOrder) {
+              order.push(nestedOrder);
+            }
+          }
+        } catch (err) {
+          _iterator2.e(err);
+        } finally {
+          _iterator2.f();
+        }
+
+        if (nestedLevels > 0) {
+          return order;
+        }
+
+        var hiddenGroups = [];
+
+        var _iterator3 = _createForOfIteratorHelper(contentGroupRefs),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var groupRef = _step3.value;
+
+            if (parsedOrderRefs.has(groupRef)) {
+              continue;
+            }
+
+            hiddenGroups.push(groupRef.toString());
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+
+        if (hiddenGroups.length) {
+          order.push({
+            name: null,
+            order: hiddenGroups
+          });
+        }
+
+        return order;
+      }
+
+      function parseNestedOrder(ref, nestedLevels) {
+        if (++nestedLevels > MAX_NESTED_LEVELS) {
+          (0, _util.warn)("parseNestedOrder - reached MAX_NESTED_LEVELS.");
+          return null;
+        }
+
+        var value = xref.fetchIfRef(ref);
+
+        if (!Array.isArray(value)) {
+          return null;
+        }
+
+        var nestedName = xref.fetchIfRef(value[0]);
+
+        if (typeof nestedName !== "string") {
+          return null;
+        }
+
+        var nestedOrder = parseOrder(value.slice(1), nestedLevels);
+
+        if (!nestedOrder || !nestedOrder.length) {
+          return null;
+        }
+
+        return {
+          name: (0, _util.stringToPDFString)(nestedName),
+          order: nestedOrder
+        };
+      }
+
+      var xref = this.xref,
+          parsedOrderRefs = new _primitives.RefSet(),
+          MAX_NESTED_LEVELS = 10;
+      return {
+        name: (0, _util.isString)(config.get("Name")) ? (0, _util.stringToPDFString)(config.get("Name")) : null,
+        creator: (0, _util.isString)(config.get("Creator")) ? (0, _util.stringToPDFString)(config.get("Creator")) : null,
+        baseState: (0, _primitives.isName)(config.get("BaseState")) ? config.get("BaseState").name : null,
+        on: parseOnOff(config.get("ON")),
+        off: parseOnOff(config.get("OFF")),
+        order: parseOrder(config.get("Order")),
+        groups: null
+      };
+    }
+  }, {
+    key: "getDestination",
+    value: function getDestination(destinationId) {
+      var obj = this._readDests();
+
+      if (obj instanceof NameTree || obj instanceof _primitives.Dict) {
+        return fetchDestination(obj.get(destinationId) || null);
+      }
+
+      return null;
+    }
+  }, {
+    key: "_readDests",
+    value: function _readDests() {
+      var obj = this._catDict.get("Names");
+
+      if (obj && obj.has("Dests")) {
+        return new NameTree(obj.getRaw("Dests"), this.xref);
+      } else if (this._catDict.has("Dests")) {
+        return this._catDict.get("Dests");
+      }
+
+      return undefined;
+    }
+  }, {
+    key: "_readPageLabels",
+    value: function _readPageLabels() {
+      var obj = this._catDict.getRaw("PageLabels");
+
+      if (!obj) {
+        return null;
+      }
+
+      var pageLabels = new Array(this.numPages);
+      var style = null,
+          prefix = "";
+      var numberTree = new NumberTree(obj, this.xref);
+      var nums = numberTree.getAll();
+      var currentLabel = "",
+          currentIndex = 1;
+
+      for (var i = 0, ii = this.numPages; i < ii; i++) {
+        if (i in nums) {
+          var labelDict = nums[i];
+
+          if (!(0, _primitives.isDict)(labelDict)) {
+            throw new _util.FormatError("PageLabel is not a dictionary.");
+          }
+
+          if (labelDict.has("Type") && !(0, _primitives.isName)(labelDict.get("Type"), "PageLabel")) {
+            throw new _util.FormatError("Invalid type in PageLabel dictionary.");
+          }
+
+          if (labelDict.has("S")) {
+            var s = labelDict.get("S");
+
+            if (!(0, _primitives.isName)(s)) {
+              throw new _util.FormatError("Invalid style in PageLabel dictionary.");
+            }
+
+            style = s.name;
+          } else {
+            style = null;
+          }
+
+          if (labelDict.has("P")) {
+            var p = labelDict.get("P");
+
+            if (!(0, _util.isString)(p)) {
+              throw new _util.FormatError("Invalid prefix in PageLabel dictionary.");
+            }
+
+            prefix = (0, _util.stringToPDFString)(p);
+          } else {
+            prefix = "";
+          }
+
+          if (labelDict.has("St")) {
+            var st = labelDict.get("St");
+
+            if (!(Number.isInteger(st) && st >= 1)) {
+              throw new _util.FormatError("Invalid start in PageLabel dictionary.");
+            }
+
+            currentIndex = st;
+          } else {
+            currentIndex = 1;
+          }
+        }
+
+        switch (style) {
+          case "D":
+            currentLabel = currentIndex;
+            break;
+
+          case "R":
+          case "r":
+            currentLabel = (0, _core_utils.toRomanNumerals)(currentIndex, style === "r");
+            break;
+
+          case "A":
+          case "a":
+            var LIMIT = 26;
+            var A_UPPER_CASE = 0x41,
+                A_LOWER_CASE = 0x61;
+            var baseCharCode = style === "a" ? A_LOWER_CASE : A_UPPER_CASE;
+            var letterIndex = currentIndex - 1;
+            var character = String.fromCharCode(baseCharCode + letterIndex % LIMIT);
+            var charBuf = [];
+
+            for (var j = 0, jj = letterIndex / LIMIT | 0; j <= jj; j++) {
+              charBuf.push(character);
+            }
+
+            currentLabel = charBuf.join("");
+            break;
+
+          default:
+            if (style) {
+              throw new _util.FormatError("Invalid style \"".concat(style, "\" in PageLabel dictionary."));
+            }
+
+            currentLabel = "";
+        }
+
+        pageLabels[i] = prefix + currentLabel;
+        currentIndex++;
+      }
+
+      return pageLabels;
+    }
+  }, {
+    key: "fontFallback",
+    value: function fontFallback(id, handler) {
+      var promises = [];
+      this.fontCache.forEach(function (promise) {
+        promises.push(promise);
+      });
+      return Promise.all(promises).then(function (translatedFonts) {
+        var _iterator4 = _createForOfIteratorHelper(translatedFonts),
+            _step4;
+
+        try {
+          for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+            var translatedFont = _step4.value;
+
+            if (translatedFont.loadedName === id) {
+              translatedFont.fallback(handler);
+              return;
+            }
+          }
+        } catch (err) {
+          _iterator4.e(err);
+        } finally {
+          _iterator4.f();
+        }
+      });
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      var _this = this;
+
+      var manuallyTriggered = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      (0, _primitives.clearPrimitiveCaches)();
+      this.globalImageCache.clear(manuallyTriggered);
+      this.pageKidsCountCache.clear();
+      var promises = [];
+      this.fontCache.forEach(function (promise) {
+        promises.push(promise);
+      });
+      return Promise.all(promises).then(function (translatedFonts) {
+        var _iterator5 = _createForOfIteratorHelper(translatedFonts),
+            _step5;
+
+        try {
+          for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+            var dict = _step5.value.dict;
+            delete dict.translated;
+          }
+        } catch (err) {
+          _iterator5.e(err);
+        } finally {
+          _iterator5.f();
+        }
+
+        _this.fontCache.clear();
+
+        _this.builtInCMapCache.clear();
+      });
+    }
+  }, {
+    key: "getPageDict",
+    value: function getPageDict(pageIndex) {
+      var capability = (0, _util.createPromiseCapability)();
+      var nodesToVisit = [this._catDict.getRaw("Pages")];
+      var visitedNodes = new _primitives.RefSet();
+      var xref = this.xref,
+          pageKidsCountCache = this.pageKidsCountCache;
+      var count,
+          currentPageIndex = 0;
+
+      function next() {
+        var _loop = function _loop() {
+          var currentNode = nodesToVisit.pop();
+
+          if ((0, _primitives.isRef)(currentNode)) {
+            count = pageKidsCountCache.get(currentNode);
+
+            if (count > 0 && currentPageIndex + count < pageIndex) {
+              currentPageIndex += count;
+              return "continue";
+            }
+
+            if (visitedNodes.has(currentNode)) {
+              capability.reject(new _util.FormatError("Pages tree contains circular reference."));
+              return {
+                v: void 0
+              };
+            }
+
+            visitedNodes.put(currentNode);
+            xref.fetchAsync(currentNode).then(function (obj) {
+              if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Kids")) {
+                if (pageIndex === currentPageIndex) {
+                  if (currentNode && !pageKidsCountCache.has(currentNode)) {
+                    pageKidsCountCache.put(currentNode, 1);
+                  }
+
+                  capability.resolve([obj, currentNode]);
+                } else {
+                  currentPageIndex++;
+                  next();
+                }
+
+                return;
+              }
+
+              nodesToVisit.push(obj);
+              next();
+            }, capability.reject);
+            return {
+              v: void 0
+            };
+          }
+
+          if (!(0, _primitives.isDict)(currentNode)) {
+            capability.reject(new _util.FormatError("Page dictionary kid reference points to wrong type of object."));
+            return {
+              v: void 0
+            };
+          }
+
+          count = currentNode.get("Count");
+
+          if (Number.isInteger(count) && count >= 0) {
+            var objId = currentNode.objId;
+
+            if (objId && !pageKidsCountCache.has(objId)) {
+              pageKidsCountCache.put(objId, count);
+            }
+
+            if (currentPageIndex + count <= pageIndex) {
+              currentPageIndex += count;
+              return "continue";
+            }
+          }
+
+          var kids = currentNode.get("Kids");
+
+          if (!Array.isArray(kids)) {
+            if ((0, _primitives.isName)(currentNode.get("Type"), "Page") || !currentNode.has("Type") && currentNode.has("Contents")) {
+              if (currentPageIndex === pageIndex) {
+                capability.resolve([currentNode, null]);
+                return {
+                  v: void 0
+                };
+              }
+
+              currentPageIndex++;
+              return "continue";
+            }
+
+            capability.reject(new _util.FormatError("Page dictionary kids object is not an array."));
+            return {
+              v: void 0
+            };
+          }
+
+          for (var last = kids.length - 1; last >= 0; last--) {
+            nodesToVisit.push(kids[last]);
+          }
+        };
+
+        while (nodesToVisit.length) {
+          var _ret = _loop();
+
+          if (_ret === "continue") continue;
+          if (_typeof(_ret) === "object") return _ret.v;
+        }
+
+        capability.reject(new Error("Page index ".concat(pageIndex, " not found.")));
+      }
+
+      next();
+      return capability.promise;
+    }
+  }, {
+    key: "getPageIndex",
+    value: function getPageIndex(pageRef) {
+      var xref = this.xref;
+
+      function pagesBeforeRef(kidRef) {
+        var total = 0,
+            parentRef;
+        return xref.fetchAsync(kidRef).then(function (node) {
+          if ((0, _primitives.isRefsEqual)(kidRef, pageRef) && !(0, _primitives.isDict)(node, "Page") && !((0, _primitives.isDict)(node) && !node.has("Type") && node.has("Contents"))) {
+            throw new _util.FormatError("The reference does not point to a /Page dictionary.");
+          }
+
+          if (!node) {
+            return null;
+          }
+
+          if (!(0, _primitives.isDict)(node)) {
+            throw new _util.FormatError("Node must be a dictionary.");
+          }
+
+          parentRef = node.getRaw("Parent");
+          return node.getAsync("Parent");
+        }).then(function (parent) {
+          if (!parent) {
+            return null;
+          }
+
+          if (!(0, _primitives.isDict)(parent)) {
+            throw new _util.FormatError("Parent must be a dictionary.");
+          }
+
+          return parent.getAsync("Kids");
+        }).then(function (kids) {
+          if (!kids) {
+            return null;
+          }
+
+          var kidPromises = [];
+          var found = false;
+
+          for (var i = 0, ii = kids.length; i < ii; i++) {
+            var kid = kids[i];
+
+            if (!(0, _primitives.isRef)(kid)) {
+              throw new _util.FormatError("Kid must be a reference.");
+            }
+
+            if ((0, _primitives.isRefsEqual)(kid, kidRef)) {
+              found = true;
+              break;
+            }
+
+            kidPromises.push(xref.fetchAsync(kid).then(function (obj) {
+              if (!(0, _primitives.isDict)(obj)) {
+                throw new _util.FormatError("Kid node must be a dictionary.");
+              }
+
+              if (obj.has("Count")) {
+                total += obj.get("Count");
+              } else {
+                total++;
+              }
+            }));
+          }
+
+          if (!found) {
+            throw new _util.FormatError("Kid reference not found in parent's kids.");
+          }
+
+          return Promise.all(kidPromises).then(function () {
+            return [total, parentRef];
+          });
+        });
+      }
+
+      var total = 0;
+
+      function next(ref) {
+        return pagesBeforeRef(ref).then(function (args) {
+          if (!args) {
+            return total;
+          }
+
+          var _args = _slicedToArray(args, 2),
+              count = _args[0],
+              parentRef = _args[1];
+
+          total += count;
+          return next(parentRef);
+        });
+      }
+
+      return next(pageRef);
+    }
+  }, {
+    key: "version",
+    get: function get() {
+      var version = this._catDict.get("Version");
+
+      if (!(0, _primitives.isName)(version)) {
+        return (0, _util.shadow)(this, "version", null);
+      }
+
+      return (0, _util.shadow)(this, "version", version.name);
+    }
+  }, {
+    key: "collection",
+    get: function get() {
+      var collection = null;
+
+      try {
+        var obj = this._catDict.get("Collection");
+
+        if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+          collection = obj;
+        }
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.info)("Cannot fetch Collection entry; assuming no collection is present.");
+      }
+
+      return (0, _util.shadow)(this, "collection", collection);
+    }
+  }, {
+    key: "acroForm",
+    get: function get() {
+      var acroForm = null;
+
+      try {
+        var obj = this._catDict.get("AcroForm");
+
+        if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+          acroForm = obj;
+        }
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.info)("Cannot fetch AcroForm entry; assuming no forms are present.");
+      }
+
+      return (0, _util.shadow)(this, "acroForm", acroForm);
+    }
+  }, {
+    key: "metadata",
+    get: function get() {
+      var streamRef = this._catDict.getRaw("Metadata");
+
+      if (!(0, _primitives.isRef)(streamRef)) {
+        return (0, _util.shadow)(this, "metadata", null);
+      }
+
+      var suppressEncryption = !(this.xref.encrypt && this.xref.encrypt.encryptMetadata);
+      var stream = this.xref.fetch(streamRef, suppressEncryption);
+      var metadata;
+
+      if (stream && (0, _primitives.isDict)(stream.dict)) {
+        var type = stream.dict.get("Type");
+        var subtype = stream.dict.get("Subtype");
+
+        if ((0, _primitives.isName)(type, "Metadata") && (0, _primitives.isName)(subtype, "XML")) {
+          try {
+            metadata = (0, _util.stringToUTF8String)((0, _util.bytesToString)(stream.getBytes()));
+          } catch (e) {
+            if (e instanceof _core_utils.MissingDataException) {
+              throw e;
+            }
+
+            (0, _util.info)("Skipping invalid metadata.");
+          }
+        }
+      }
+
+      return (0, _util.shadow)(this, "metadata", metadata);
+    }
+  }, {
+    key: "toplevelPagesDict",
+    get: function get() {
+      var pagesObj = this._catDict.get("Pages");
+
+      if (!(0, _primitives.isDict)(pagesObj)) {
+        throw new _util.FormatError("Invalid top-level pages dictionary.");
+      }
+
+      return (0, _util.shadow)(this, "toplevelPagesDict", pagesObj);
+    }
+  }, {
+    key: "documentOutline",
+    get: function get() {
+      var obj = null;
+
+      try {
+        obj = this._readDocumentOutline();
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Unable to read document outline.");
+      }
+
+      return (0, _util.shadow)(this, "documentOutline", obj);
+    }
+  }, {
+    key: "permissions",
+    get: function get() {
+      var permissions = null;
+
+      try {
+        permissions = this._readPermissions();
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Unable to read permissions.");
+      }
+
+      return (0, _util.shadow)(this, "permissions", permissions);
+    }
+  }, {
+    key: "optionalContentConfig",
+    get: function get() {
+      var config = null;
+
+      try {
+        var properties = this._catDict.get("OCProperties");
+
+        if (!properties) {
+          return (0, _util.shadow)(this, "optionalContentConfig", null);
+        }
+
+        var defaultConfig = properties.get("D");
+
+        if (!defaultConfig) {
+          return (0, _util.shadow)(this, "optionalContentConfig", null);
+        }
+
+        var groupsData = properties.get("OCGs");
+
+        if (!Array.isArray(groupsData)) {
+          return (0, _util.shadow)(this, "optionalContentConfig", null);
+        }
+
+        var groups = [];
+        var groupRefs = [];
+
+        var _iterator6 = _createForOfIteratorHelper(groupsData),
+            _step6;
+
+        try {
+          for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+            var groupRef = _step6.value;
+
+            if (!(0, _primitives.isRef)(groupRef)) {
+              continue;
+            }
+
+            groupRefs.push(groupRef);
+            var group = this.xref.fetchIfRef(groupRef);
+            groups.push({
+              id: groupRef.toString(),
+              name: (0, _util.isString)(group.get("Name")) ? (0, _util.stringToPDFString)(group.get("Name")) : null,
+              intent: (0, _util.isString)(group.get("Intent")) ? (0, _util.stringToPDFString)(group.get("Intent")) : null
+            });
+          }
+        } catch (err) {
+          _iterator6.e(err);
+        } finally {
+          _iterator6.f();
+        }
+
+        config = this._readOptionalContentConfig(defaultConfig, groupRefs);
+        config.groups = groups;
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Unable to read optional content config: ".concat(ex));
+      }
+
+      return (0, _util.shadow)(this, "optionalContentConfig", config);
+    }
+  }, {
+    key: "numPages",
+    get: function get() {
+      var obj = this.toplevelPagesDict.get("Count");
+
+      if (!Number.isInteger(obj)) {
+        throw new _util.FormatError("Page count in top-level pages dictionary is not an integer.");
+      }
+
+      return (0, _util.shadow)(this, "numPages", obj);
+    }
+  }, {
+    key: "destinations",
+    get: function get() {
+      var obj = this._readDests(),
+          dests = Object.create(null);
+
+      if (obj instanceof NameTree) {
+        var names = obj.getAll();
+
+        for (var name in names) {
+          dests[name] = fetchDestination(names[name]);
+        }
+      } else if (obj instanceof _primitives.Dict) {
+        obj.forEach(function (key, value) {
+          if (value) {
+            dests[key] = fetchDestination(value);
+          }
+        });
+      }
+
+      return (0, _util.shadow)(this, "destinations", dests);
+    }
+  }, {
+    key: "pageLabels",
+    get: function get() {
+      var obj = null;
+
+      try {
+        obj = this._readPageLabels();
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Unable to read page labels.");
+      }
+
+      return (0, _util.shadow)(this, "pageLabels", obj);
+    }
+  }, {
+    key: "pageLayout",
+    get: function get() {
+      var obj = this._catDict.get("PageLayout");
+
+      var pageLayout = "";
+
+      if ((0, _primitives.isName)(obj)) {
+        switch (obj.name) {
+          case "SinglePage":
+          case "OneColumn":
+          case "TwoColumnLeft":
+          case "TwoColumnRight":
+          case "TwoPageLeft":
+          case "TwoPageRight":
+            pageLayout = obj.name;
+        }
+      }
+
+      return (0, _util.shadow)(this, "pageLayout", pageLayout);
+    }
+  }, {
+    key: "pageMode",
+    get: function get() {
+      var obj = this._catDict.get("PageMode");
+
+      var pageMode = "UseNone";
+
+      if ((0, _primitives.isName)(obj)) {
+        switch (obj.name) {
+          case "UseNone":
+          case "UseOutlines":
+          case "UseThumbs":
+          case "FullScreen":
+          case "UseOC":
+          case "UseAttachments":
+            pageMode = obj.name;
+        }
+      }
+
+      return (0, _util.shadow)(this, "pageMode", pageMode);
+    }
+  }, {
+    key: "viewerPreferences",
+    get: function get() {
+      var _this2 = this;
+
+      var ViewerPreferencesValidators = {
+        HideToolbar: _util.isBool,
+        HideMenubar: _util.isBool,
+        HideWindowUI: _util.isBool,
+        FitWindow: _util.isBool,
+        CenterWindow: _util.isBool,
+        DisplayDocTitle: _util.isBool,
+        NonFullScreenPageMode: _primitives.isName,
+        Direction: _primitives.isName,
+        ViewArea: _primitives.isName,
+        ViewClip: _primitives.isName,
+        PrintArea: _primitives.isName,
+        PrintClip: _primitives.isName,
+        PrintScaling: _primitives.isName,
+        Duplex: _primitives.isName,
+        PickTrayByPDFSize: _util.isBool,
+        PrintPageRange: Array.isArray,
+        NumCopies: Number.isInteger
+      };
+
+      var obj = this._catDict.get("ViewerPreferences");
+
+      var prefs = null;
+
+      if ((0, _primitives.isDict)(obj)) {
+        for (var key in ViewerPreferencesValidators) {
+          if (!obj.has(key)) {
+            continue;
+          }
+
+          var value = obj.get(key);
+
+          if (!ViewerPreferencesValidators[key](value)) {
+            (0, _util.info)("Bad value in ViewerPreferences for \"".concat(key, "\"."));
+            continue;
+          }
+
+          var prefValue = void 0;
+
+          switch (key) {
+            case "NonFullScreenPageMode":
+              switch (value.name) {
+                case "UseNone":
+                case "UseOutlines":
+                case "UseThumbs":
+                case "UseOC":
+                  prefValue = value.name;
+                  break;
+
+                default:
+                  prefValue = "UseNone";
+              }
+
+              break;
+
+            case "Direction":
+              switch (value.name) {
+                case "L2R":
+                case "R2L":
+                  prefValue = value.name;
+                  break;
+
+                default:
+                  prefValue = "L2R";
+              }
+
+              break;
+
+            case "ViewArea":
+            case "ViewClip":
+            case "PrintArea":
+            case "PrintClip":
+              switch (value.name) {
+                case "MediaBox":
+                case "CropBox":
+                case "BleedBox":
+                case "TrimBox":
+                case "ArtBox":
+                  prefValue = value.name;
+                  break;
+
+                default:
+                  prefValue = "CropBox";
+              }
+
+              break;
+
+            case "PrintScaling":
+              switch (value.name) {
+                case "None":
+                case "AppDefault":
+                  prefValue = value.name;
+                  break;
+
+                default:
+                  prefValue = "AppDefault";
+              }
+
+              break;
+
+            case "Duplex":
+              switch (value.name) {
+                case "Simplex":
+                case "DuplexFlipShortEdge":
+                case "DuplexFlipLongEdge":
+                  prefValue = value.name;
+                  break;
+
+                default:
+                  prefValue = "None";
+              }
+
+              break;
+
+            case "PrintPageRange":
+              var length = value.length;
+
+              if (length % 2 !== 0) {
+                break;
+              }
+
+              var isValid = value.every(function (page, i, arr) {
+                return Number.isInteger(page) && page > 0 && (i === 0 || page >= arr[i - 1]) && page <= _this2.numPages;
+              });
+
+              if (isValid) {
+                prefValue = value;
+              }
+
+              break;
+
+            case "NumCopies":
+              if (value > 0) {
+                prefValue = value;
+              }
+
+              break;
+
+            default:
+              if (typeof value !== "boolean") {
+                throw new _util.FormatError("viewerPreferences - expected a boolean value for: ".concat(key));
+              }
+
+              prefValue = value;
+          }
+
+          if (prefValue !== undefined) {
+            if (!prefs) {
+              prefs = Object.create(null);
+            }
+
+            prefs[key] = prefValue;
+          } else {
+            (0, _util.info)("Bad value in ViewerPreferences for \"".concat(key, "\"."));
+          }
+        }
+      }
+
+      return (0, _util.shadow)(this, "viewerPreferences", prefs);
+    }
+  }, {
+    key: "openAction",
+    get: function get() {
+      var obj = this._catDict.get("OpenAction");
+
+      var openAction = null;
+
+      if ((0, _primitives.isDict)(obj)) {
+        var destDict = new _primitives.Dict(this.xref);
+        destDict.set("A", obj);
+        var resultObj = {
+          url: null,
+          dest: null,
+          action: null
+        };
+        Catalog.parseDestDictionary({
+          destDict: destDict,
+          resultObj: resultObj
+        });
+
+        if (Array.isArray(resultObj.dest)) {
+          if (!openAction) {
+            openAction = Object.create(null);
+          }
+
+          openAction.dest = resultObj.dest;
+        } else if (resultObj.action) {
+          if (!openAction) {
+            openAction = Object.create(null);
+          }
+
+          openAction.action = resultObj.action;
+        }
+      } else if (Array.isArray(obj)) {
+        if (!openAction) {
+          openAction = Object.create(null);
+        }
+
+        openAction.dest = obj;
+      }
+
+      return (0, _util.shadow)(this, "openAction", openAction);
+    }
+  }, {
+    key: "attachments",
+    get: function get() {
+      var obj = this._catDict.get("Names");
+
+      var attachments = null;
+
+      if (obj && obj.has("EmbeddedFiles")) {
+        var nameTree = new NameTree(obj.getRaw("EmbeddedFiles"), this.xref);
+        var names = nameTree.getAll();
+
+        for (var name in names) {
+          var fs = new FileSpec(names[name], this.xref);
+
+          if (!attachments) {
+            attachments = Object.create(null);
+          }
+
+          attachments[(0, _util.stringToPDFString)(name)] = fs.serializable;
+        }
+      }
+
+      return (0, _util.shadow)(this, "attachments", attachments);
+    }
+  }, {
+    key: "javaScript",
+    get: function get() {
+      var obj = this._catDict.get("Names");
+
+      var javaScript = null;
+
+      function appendIfJavaScriptDict(jsDict) {
+        var type = jsDict.get("S");
+
+        if (!(0, _primitives.isName)(type, "JavaScript")) {
+          return;
+        }
+
+        var js = jsDict.get("JS");
+
+        if ((0, _primitives.isStream)(js)) {
+          js = (0, _util.bytesToString)(js.getBytes());
+        } else if (!(0, _util.isString)(js)) {
+          return;
+        }
+
+        if (!javaScript) {
+          javaScript = [];
+        }
+
+        javaScript.push((0, _util.stringToPDFString)(js));
+      }
+
+      if (obj && obj.has("JavaScript")) {
+        var nameTree = new NameTree(obj.getRaw("JavaScript"), this.xref);
+        var names = nameTree.getAll();
+
+        for (var name in names) {
+          var jsDict = names[name];
+
+          if ((0, _primitives.isDict)(jsDict)) {
+            appendIfJavaScriptDict(jsDict);
+          }
+        }
+      }
+
+      var openAction = this._catDict.get("OpenAction");
+
+      if ((0, _primitives.isDict)(openAction) && (0, _primitives.isName)(openAction.get("S"), "JavaScript")) {
+        appendIfJavaScriptDict(openAction);
+      }
+
+      return (0, _util.shadow)(this, "javaScript", javaScript);
+    }
+  }], [{
+    key: "parseDestDictionary",
+    value: function parseDestDictionary(params) {
+      function addDefaultProtocolToUrl(url) {
+        return url.startsWith("www.") ? "http://".concat(url) : url;
+      }
+
+      function tryConvertUrlEncoding(url) {
+        try {
+          return (0, _util.stringToUTF8String)(url);
+        } catch (e) {
+          return url;
+        }
+      }
+
+      var destDict = params.destDict;
+
+      if (!(0, _primitives.isDict)(destDict)) {
+        (0, _util.warn)("parseDestDictionary: `destDict` must be a dictionary.");
+        return;
+      }
+
+      var resultObj = params.resultObj;
+
+      if (_typeof(resultObj) !== "object") {
+        (0, _util.warn)("parseDestDictionary: `resultObj` must be an object.");
+        return;
+      }
+
+      var docBaseUrl = params.docBaseUrl || null;
+      var action = destDict.get("A"),
+          url,
+          dest;
+
+      if (!(0, _primitives.isDict)(action) && destDict.has("Dest")) {
+        action = destDict.get("Dest");
+      }
+
+      if ((0, _primitives.isDict)(action)) {
+        var actionType = action.get("S");
+
+        if (!(0, _primitives.isName)(actionType)) {
+          (0, _util.warn)("parseDestDictionary: Invalid type in Action dictionary.");
+          return;
+        }
+
+        var actionName = actionType.name;
+
+        switch (actionName) {
+          case "URI":
+            url = action.get("URI");
+
+            if ((0, _primitives.isName)(url)) {
+              url = "/" + url.name;
+            } else if ((0, _util.isString)(url)) {
+              url = addDefaultProtocolToUrl(url);
+            }
+
+            break;
+
+          case "GoTo":
+            dest = action.get("D");
+            break;
+
+          case "Launch":
+          case "GoToR":
+            var urlDict = action.get("F");
+
+            if ((0, _primitives.isDict)(urlDict)) {
+              url = urlDict.get("F") || null;
+            } else if ((0, _util.isString)(urlDict)) {
+              url = urlDict;
+            }
+
+            var remoteDest = action.get("D");
+
+            if (remoteDest) {
+              if ((0, _primitives.isName)(remoteDest)) {
+                remoteDest = remoteDest.name;
+              }
+
+              if ((0, _util.isString)(url)) {
+                var baseUrl = url.split("#")[0];
+
+                if ((0, _util.isString)(remoteDest)) {
+                  url = baseUrl + "#" + remoteDest;
+                } else if (Array.isArray(remoteDest)) {
+                  url = baseUrl + "#" + JSON.stringify(remoteDest);
+                }
+              }
+            }
+
+            var newWindow = action.get("NewWindow");
+
+            if ((0, _util.isBool)(newWindow)) {
+              resultObj.newWindow = newWindow;
+            }
+
+            break;
+
+          case "Named":
+            var namedAction = action.get("N");
+
+            if ((0, _primitives.isName)(namedAction)) {
+              resultObj.action = namedAction.name;
+            }
+
+            break;
+
+          case "JavaScript":
+            var jsAction = action.get("JS");
+            var js;
+
+            if ((0, _primitives.isStream)(jsAction)) {
+              js = (0, _util.bytesToString)(jsAction.getBytes());
+            } else if ((0, _util.isString)(jsAction)) {
+              js = jsAction;
+            }
+
+            if (js) {
+              var URL_OPEN_METHODS = ["app.launchURL", "window.open"];
+              var regex = new RegExp("^\\s*(" + URL_OPEN_METHODS.join("|").split(".").join("\\.") + ")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))", "i");
+              var jsUrl = regex.exec((0, _util.stringToPDFString)(js));
+
+              if (jsUrl && jsUrl[2]) {
+                url = jsUrl[2];
+
+                if (jsUrl[3] === "true" && jsUrl[1] === "app.launchURL") {
+                  resultObj.newWindow = true;
+                }
+
+                break;
+              }
+            }
+
+          default:
+            (0, _util.warn)("parseDestDictionary: unsupported action type \"".concat(actionName, "\"."));
+            break;
+        }
+      } else if (destDict.has("Dest")) {
+        dest = destDict.get("Dest");
+      }
+
+      if ((0, _util.isString)(url)) {
+        url = tryConvertUrlEncoding(url);
+        var absoluteUrl = (0, _util.createValidAbsoluteUrl)(url, docBaseUrl);
+
+        if (absoluteUrl) {
+          resultObj.url = absoluteUrl.href;
+        }
+
+        resultObj.unsafeUrl = url;
+      }
+
+      if (dest) {
+        if ((0, _primitives.isName)(dest)) {
+          dest = dest.name;
+        }
+
+        if ((0, _util.isString)(dest) || Array.isArray(dest)) {
+          resultObj.dest = dest;
+        }
+      }
+    }
+  }]);
+
+  return Catalog;
+}();
+
+exports.Catalog = Catalog;
+
+var XRef = function XRefClosure() {
+  function XRef(stream, pdfManager) {
+    this.stream = stream;
+    this.pdfManager = pdfManager;
+    this.entries = [];
+    this.xrefstms = Object.create(null);
+    this._cacheMap = new Map();
+    this.stats = {
+      streamTypes: Object.create(null),
+      fontTypes: Object.create(null)
+    };
+    this._newRefNum = null;
+  }
+
+  XRef.prototype = {
+    getNewRef: function XRef_getNewRef() {
+      if (this._newRefNum === null) {
+        this._newRefNum = this.entries.length;
+      }
+
+      return _primitives.Ref.get(this._newRefNum++, 0);
+    },
+    resetNewRef: function XRef_resetNewRef() {
+      this._newRefNum = null;
+    },
+    setStartXRef: function XRef_setStartXRef(startXRef) {
+      this.startXRefQueue = [startXRef];
+    },
+    parse: function XRef_parse(recoveryMode) {
+      var trailerDict;
+
+      if (!recoveryMode) {
+        trailerDict = this.readXRef();
+      } else {
+        (0, _util.warn)("Indexing all PDF objects");
+        trailerDict = this.indexObjects();
+      }
+
+      trailerDict.assignXref(this);
+      this.trailer = trailerDict;
+      var encrypt;
+
+      try {
+        encrypt = trailerDict.get("Encrypt");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("XRef.parse - Invalid \"Encrypt\" reference: \"".concat(ex, "\"."));
+      }
+
+      if ((0, _primitives.isDict)(encrypt)) {
+        var ids = trailerDict.get("ID");
+        var fileId = ids && ids.length ? ids[0] : "";
+        encrypt.suppressEncryption = true;
+        this.encrypt = new _crypto.CipherTransformFactory(encrypt, fileId, this.pdfManager.password);
+      }
+
+      var root;
+
+      try {
+        root = trailerDict.get("Root");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("XRef.parse - Invalid \"Root\" reference: \"".concat(ex, "\"."));
+      }
+
+      if ((0, _primitives.isDict)(root) && root.has("Pages")) {
+        this.root = root;
+      } else {
+        if (!recoveryMode) {
+          throw new _core_utils.XRefParseException();
+        }
+
+        throw new _util.FormatError("Invalid root reference");
+      }
+    },
+    processXRefTable: function XRef_processXRefTable(parser) {
+      if (!("tableState" in this)) {
+        this.tableState = {
+          entryNum: 0,
+          streamPos: parser.lexer.stream.pos,
+          parserBuf1: parser.buf1,
+          parserBuf2: parser.buf2
+        };
+      }
+
+      var obj = this.readXRefTable(parser);
+
+      if (!(0, _primitives.isCmd)(obj, "trailer")) {
+        throw new _util.FormatError("Invalid XRef table: could not find trailer dictionary");
+      }
+
+      var dict = parser.getObj();
+
+      if (!(0, _primitives.isDict)(dict) && dict.dict) {
+        dict = dict.dict;
+      }
+
+      if (!(0, _primitives.isDict)(dict)) {
+        throw new _util.FormatError("Invalid XRef table: could not parse trailer dictionary");
+      }
+
+      delete this.tableState;
+      return dict;
+    },
+    readXRefTable: function XRef_readXRefTable(parser) {
+      var stream = parser.lexer.stream;
+      var tableState = this.tableState;
+      stream.pos = tableState.streamPos;
+      parser.buf1 = tableState.parserBuf1;
+      parser.buf2 = tableState.parserBuf2;
+      var obj;
+
+      while (true) {
+        if (!("firstEntryNum" in tableState) || !("entryCount" in tableState)) {
+          if ((0, _primitives.isCmd)(obj = parser.getObj(), "trailer")) {
+            break;
+          }
+
+          tableState.firstEntryNum = obj;
+          tableState.entryCount = parser.getObj();
+        }
+
+        var first = tableState.firstEntryNum;
+        var count = tableState.entryCount;
+
+        if (!Number.isInteger(first) || !Number.isInteger(count)) {
+          throw new _util.FormatError("Invalid XRef table: wrong types in subsection header");
+        }
+
+        for (var i = tableState.entryNum; i < count; i++) {
+          tableState.streamPos = stream.pos;
+          tableState.entryNum = i;
+          tableState.parserBuf1 = parser.buf1;
+          tableState.parserBuf2 = parser.buf2;
+          var entry = {};
+          entry.offset = parser.getObj();
+          entry.gen = parser.getObj();
+          var type = parser.getObj();
+
+          if (type instanceof _primitives.Cmd) {
+            switch (type.cmd) {
+              case "f":
+                entry.free = true;
+                break;
+
+              case "n":
+                entry.uncompressed = true;
+                break;
+            }
+          }
+
+          if (!Number.isInteger(entry.offset) || !Number.isInteger(entry.gen) || !(entry.free || entry.uncompressed)) {
+            throw new _util.FormatError("Invalid entry in XRef subsection: ".concat(first, ", ").concat(count));
+          }
+
+          if (i === 0 && entry.free && first === 1) {
+            first = 0;
+          }
+
+          if (!this.entries[i + first]) {
+            this.entries[i + first] = entry;
+          }
+        }
+
+        tableState.entryNum = 0;
+        tableState.streamPos = stream.pos;
+        tableState.parserBuf1 = parser.buf1;
+        tableState.parserBuf2 = parser.buf2;
+        delete tableState.firstEntryNum;
+        delete tableState.entryCount;
+      }
+
+      if (this.entries[0] && !this.entries[0].free) {
+        throw new _util.FormatError("Invalid XRef table: unexpected first object");
+      }
+
+      return obj;
+    },
+    processXRefStream: function XRef_processXRefStream(stream) {
+      if (!("streamState" in this)) {
+        var streamParameters = stream.dict;
+        var byteWidths = streamParameters.get("W");
+        var range = streamParameters.get("Index");
+
+        if (!range) {
+          range = [0, streamParameters.get("Size")];
+        }
+
+        this.streamState = {
+          entryRanges: range,
+          byteWidths: byteWidths,
+          entryNum: 0,
+          streamPos: stream.pos
+        };
+      }
+
+      this.readXRefStream(stream);
+      delete this.streamState;
+      return stream.dict;
+    },
+    readXRefStream: function XRef_readXRefStream(stream) {
+      var i, j;
+      var streamState = this.streamState;
+      stream.pos = streamState.streamPos;
+      var byteWidths = streamState.byteWidths;
+      var typeFieldWidth = byteWidths[0];
+      var offsetFieldWidth = byteWidths[1];
+      var generationFieldWidth = byteWidths[2];
+      var entryRanges = streamState.entryRanges;
+
+      while (entryRanges.length > 0) {
+        var first = entryRanges[0];
+        var n = entryRanges[1];
+
+        if (!Number.isInteger(first) || !Number.isInteger(n)) {
+          throw new _util.FormatError("Invalid XRef range fields: ".concat(first, ", ").concat(n));
+        }
+
+        if (!Number.isInteger(typeFieldWidth) || !Number.isInteger(offsetFieldWidth) || !Number.isInteger(generationFieldWidth)) {
+          throw new _util.FormatError("Invalid XRef entry fields length: ".concat(first, ", ").concat(n));
+        }
+
+        for (i = streamState.entryNum; i < n; ++i) {
+          streamState.entryNum = i;
+          streamState.streamPos = stream.pos;
+          var type = 0,
+              offset = 0,
+              generation = 0;
+
+          for (j = 0; j < typeFieldWidth; ++j) {
+            type = type << 8 | stream.getByte();
+          }
+
+          if (typeFieldWidth === 0) {
+            type = 1;
+          }
+
+          for (j = 0; j < offsetFieldWidth; ++j) {
+            offset = offset << 8 | stream.getByte();
+          }
+
+          for (j = 0; j < generationFieldWidth; ++j) {
+            generation = generation << 8 | stream.getByte();
+          }
+
+          var entry = {};
+          entry.offset = offset;
+          entry.gen = generation;
+
+          switch (type) {
+            case 0:
+              entry.free = true;
+              break;
+
+            case 1:
+              entry.uncompressed = true;
+              break;
+
+            case 2:
+              break;
+
+            default:
+              throw new _util.FormatError("Invalid XRef entry type: ".concat(type));
+          }
+
+          if (!this.entries[first + i]) {
+            this.entries[first + i] = entry;
+          }
+        }
+
+        streamState.entryNum = 0;
+        streamState.streamPos = stream.pos;
+        entryRanges.splice(0, 2);
+      }
+    },
+    indexObjects: function XRef_indexObjects() {
+      var TAB = 0x9,
+          LF = 0xa,
+          CR = 0xd,
+          SPACE = 0x20;
+      var PERCENT = 0x25,
+          LT = 0x3c;
+
+      function readToken(data, offset) {
+        var token = "",
+            ch = data[offset];
+
+        while (ch !== LF && ch !== CR && ch !== LT) {
+          if (++offset >= data.length) {
+            break;
+          }
+
+          token += String.fromCharCode(ch);
+          ch = data[offset];
+        }
+
+        return token;
+      }
+
+      function skipUntil(data, offset, what) {
+        var length = what.length,
+            dataLength = data.length;
+        var skipped = 0;
+
+        while (offset < dataLength) {
+          var i = 0;
+
+          while (i < length && data[offset + i] === what[i]) {
+            ++i;
+          }
+
+          if (i >= length) {
+            break;
+          }
+
+          offset++;
+          skipped++;
+        }
+
+        return skipped;
+      }
+
+      var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/;
+      var endobjRegExp = /\bendobj[\b\s]$/;
+      var nestedObjRegExp = /\s+(\d+\s+\d+\s+obj[\b\s<])$/;
+      var CHECK_CONTENT_LENGTH = 25;
+      var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);
+      var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, 101, 102]);
+      var objBytes = new Uint8Array([111, 98, 106]);
+      var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);
+      this.entries.length = 0;
+      var stream = this.stream;
+      stream.pos = 0;
+      var buffer = stream.getBytes();
+      var position = stream.start,
+          length = buffer.length;
+      var trailers = [],
+          xrefStms = [];
+
+      while (position < length) {
+        var ch = buffer[position];
+
+        if (ch === TAB || ch === LF || ch === CR || ch === SPACE) {
+          ++position;
+          continue;
+        }
+
+        if (ch === PERCENT) {
+          do {
+            ++position;
+
+            if (position >= length) {
+              break;
+            }
+
+            ch = buffer[position];
+          } while (ch !== LF && ch !== CR);
+
+          continue;
+        }
+
+        var token = readToken(buffer, position);
+        var m;
+
+        if (token.startsWith("xref") && (token.length === 4 || /\s/.test(token[4]))) {
+          position += skipUntil(buffer, position, trailerBytes);
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else if (m = objRegExp.exec(token)) {
+          var num = m[1] | 0,
+              gen = m[2] | 0;
+
+          if (!this.entries[num] || this.entries[num].gen === gen) {
+            this.entries[num] = {
+              offset: position - stream.start,
+              gen: gen,
+              uncompressed: true
+            };
+          }
+
+          var contentLength = void 0,
+              startPos = position + token.length;
+
+          while (startPos < buffer.length) {
+            var endPos = startPos + skipUntil(buffer, startPos, objBytes) + 4;
+            contentLength = endPos - position;
+            var checkPos = Math.max(endPos - CHECK_CONTENT_LENGTH, startPos);
+            var tokenStr = (0, _util.bytesToString)(buffer.subarray(checkPos, endPos));
+
+            if (endobjRegExp.test(tokenStr)) {
+              break;
+            } else {
+              var objToken = nestedObjRegExp.exec(tokenStr);
+
+              if (objToken && objToken[1]) {
+                (0, _util.warn)('indexObjects: Found new "obj" inside of another "obj", ' + 'caused by missing "endobj" -- trying to recover.');
+                contentLength -= objToken[1].length;
+                break;
+              }
+            }
+
+            startPos = endPos;
+          }
+
+          var content = buffer.subarray(position, position + contentLength);
+          var xrefTagOffset = skipUntil(content, 0, xrefBytes);
+
+          if (xrefTagOffset < contentLength && content[xrefTagOffset + 5] < 64) {
+            xrefStms.push(position - stream.start);
+            this.xrefstms[position - stream.start] = 1;
+          }
+
+          position += contentLength;
+        } else if (token.startsWith("trailer") && (token.length === 7 || /\s/.test(token[7]))) {
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else {
+          position += token.length + 1;
+        }
+      }
+
+      var i, ii;
+
+      for (i = 0, ii = xrefStms.length; i < ii; ++i) {
+        this.startXRefQueue.push(xrefStms[i]);
+        this.readXRef(true);
+      }
+
+      var trailerDict;
+
+      for (i = 0, ii = trailers.length; i < ii; ++i) {
+        stream.pos = trailers[i];
+        var parser = new _parser.Parser({
+          lexer: new _parser.Lexer(stream),
+          xref: this,
+          allowStreams: true,
+          recoveryMode: true
+        });
+        var obj = parser.getObj();
+
+        if (!(0, _primitives.isCmd)(obj, "trailer")) {
+          continue;
+        }
+
+        var dict = parser.getObj();
+
+        if (!(0, _primitives.isDict)(dict)) {
+          continue;
+        }
+
+        var rootDict = void 0;
+
+        try {
+          rootDict = dict.get("Root");
+        } catch (ex) {
+          if (ex instanceof _core_utils.MissingDataException) {
+            throw ex;
+          }
+
+          continue;
+        }
+
+        if (!(0, _primitives.isDict)(rootDict) || !rootDict.has("Pages")) {
+          continue;
+        }
+
+        if (dict.has("ID")) {
+          return dict;
+        }
+
+        trailerDict = dict;
+      }
+
+      if (trailerDict) {
+        return trailerDict;
+      }
+
+      throw new _util.InvalidPDFException("Invalid PDF structure.");
+    },
+    readXRef: function XRef_readXRef(recoveryMode) {
+      var stream = this.stream;
+      var startXRefParsedCache = Object.create(null);
+
+      try {
+        while (this.startXRefQueue.length) {
+          var startXRef = this.startXRefQueue[0];
+
+          if (startXRefParsedCache[startXRef]) {
+            (0, _util.warn)("readXRef - skipping XRef table since it was already parsed.");
+            this.startXRefQueue.shift();
+            continue;
+          }
+
+          startXRefParsedCache[startXRef] = true;
+          stream.pos = startXRef + stream.start;
+          var parser = new _parser.Parser({
+            lexer: new _parser.Lexer(stream),
+            xref: this,
+            allowStreams: true
+          });
+          var obj = parser.getObj();
+          var dict;
+
+          if ((0, _primitives.isCmd)(obj, "xref")) {
+            dict = this.processXRefTable(parser);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            obj = dict.get("XRefStm");
+
+            if (Number.isInteger(obj)) {
+              var pos = obj;
+
+              if (!(pos in this.xrefstms)) {
+                this.xrefstms[pos] = 1;
+                this.startXRefQueue.push(pos);
+              }
+            }
+          } else if (Number.isInteger(obj)) {
+            if (!Number.isInteger(parser.getObj()) || !(0, _primitives.isCmd)(parser.getObj(), "obj") || !(0, _primitives.isStream)(obj = parser.getObj())) {
+              throw new _util.FormatError("Invalid XRef stream");
+            }
+
+            dict = this.processXRefStream(obj);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            if (!dict) {
+              throw new _util.FormatError("Failed to read XRef stream");
+            }
+          } else {
+            throw new _util.FormatError("Invalid XRef stream header");
+          }
+
+          obj = dict.get("Prev");
+
+          if (Number.isInteger(obj)) {
+            this.startXRefQueue.push(obj);
+          } else if ((0, _primitives.isRef)(obj)) {
+            this.startXRefQueue.push(obj.num);
+          }
+
+          this.startXRefQueue.shift();
+        }
+
+        return this.topDict;
+      } catch (e) {
+        if (e instanceof _core_utils.MissingDataException) {
+          throw e;
+        }
+
+        (0, _util.info)("(while reading XRef): " + e);
+      }
+
+      if (recoveryMode) {
+        return undefined;
+      }
+
+      throw new _core_utils.XRefParseException();
+    },
+    getEntry: function XRef_getEntry(i) {
+      var xrefEntry = this.entries[i];
+
+      if (xrefEntry && !xrefEntry.free && xrefEntry.offset) {
+        return xrefEntry;
+      }
+
+      return null;
+    },
+    fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) {
+      if (obj instanceof _primitives.Ref) {
+        return this.fetch(obj, suppressEncryption);
+      }
+
+      return obj;
+    },
+    fetch: function XRef_fetch(ref, suppressEncryption) {
+      if (!(ref instanceof _primitives.Ref)) {
+        throw new Error("ref object is not a reference");
+      }
+
+      var num = ref.num;
+
+      var cacheEntry = this._cacheMap.get(num);
+
+      if (cacheEntry !== undefined) {
+        if (cacheEntry instanceof _primitives.Dict && !cacheEntry.objId) {
+          cacheEntry.objId = ref.toString();
+        }
+
+        return cacheEntry;
+      }
+
+      var xrefEntry = this.getEntry(num);
+
+      if (xrefEntry === null) {
+        this._cacheMap.set(num, xrefEntry);
+
+        return xrefEntry;
+      }
+
+      if (xrefEntry.uncompressed) {
+        xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption);
+      } else {
+        xrefEntry = this.fetchCompressed(ref, xrefEntry, suppressEncryption);
+      }
+
+      if ((0, _primitives.isDict)(xrefEntry)) {
+        xrefEntry.objId = ref.toString();
+      } else if ((0, _primitives.isStream)(xrefEntry)) {
+        xrefEntry.dict.objId = ref.toString();
+      }
+
+      return xrefEntry;
+    },
+    fetchUncompressed: function fetchUncompressed(ref, xrefEntry) {
+      var suppressEncryption = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var gen = ref.gen;
+      var num = ref.num;
+
+      if (xrefEntry.gen !== gen) {
+        throw new _core_utils.XRefEntryException("Inconsistent generation in XRef: ".concat(ref));
+      }
+
+      var stream = this.stream.makeSubStream(xrefEntry.offset + this.stream.start);
+      var parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      var obj1 = parser.getObj();
+      var obj2 = parser.getObj();
+      var obj3 = parser.getObj();
+
+      if (obj1 !== num || obj2 !== gen || !(obj3 instanceof _primitives.Cmd)) {
+        throw new _core_utils.XRefEntryException("Bad (uncompressed) XRef entry: ".concat(ref));
+      }
+
+      if (obj3.cmd !== "obj") {
+        if (obj3.cmd.startsWith("obj")) {
+          num = parseInt(obj3.cmd.substring(3), 10);
+
+          if (!Number.isNaN(num)) {
+            return num;
+          }
+        }
+
+        throw new _core_utils.XRefEntryException("Bad (uncompressed) XRef entry: ".concat(ref));
+      }
+
+      if (this.encrypt && !suppressEncryption) {
+        xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen));
+      } else {
+        xrefEntry = parser.getObj();
+      }
+
+      if (!(0, _primitives.isStream)(xrefEntry)) {
+        this._cacheMap.set(num, xrefEntry);
+      }
+
+      return xrefEntry;
+    },
+    fetchCompressed: function fetchCompressed(ref, xrefEntry) {
+      var suppressEncryption = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var tableOffset = xrefEntry.offset;
+      var stream = this.fetch(_primitives.Ref.get(tableOffset, 0));
+
+      if (!(0, _primitives.isStream)(stream)) {
+        throw new _util.FormatError("bad ObjStm stream");
+      }
+
+      var first = stream.dict.get("First");
+      var n = stream.dict.get("N");
+
+      if (!Number.isInteger(first) || !Number.isInteger(n)) {
+        throw new _util.FormatError("invalid first and n parameters for ObjStm stream");
+      }
+
+      var parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      var nums = new Array(n);
+
+      for (var i = 0; i < n; ++i) {
+        var num = parser.getObj();
+
+        if (!Number.isInteger(num)) {
+          throw new _util.FormatError("invalid object number in the ObjStm stream: ".concat(num));
+        }
+
+        var offset = parser.getObj();
+
+        if (!Number.isInteger(offset)) {
+          throw new _util.FormatError("invalid object offset in the ObjStm stream: ".concat(offset));
+        }
+
+        nums[i] = num;
+      }
+
+      var entries = new Array(n);
+
+      for (var _i2 = 0; _i2 < n; ++_i2) {
+        var obj = parser.getObj();
+        entries[_i2] = obj;
+
+        if (parser.buf1 instanceof _primitives.Cmd && parser.buf1.cmd === "endobj") {
+          parser.shift();
+        }
+
+        if ((0, _primitives.isStream)(obj)) {
+          continue;
+        }
+
+        var _num = nums[_i2],
+            entry = this.entries[_num];
+
+        if (entry && entry.offset === tableOffset && entry.gen === _i2) {
+          this._cacheMap.set(_num, obj);
+        }
+      }
+
+      xrefEntry = entries[xrefEntry.gen];
+
+      if (xrefEntry === undefined) {
+        throw new _core_utils.XRefEntryException("Bad (compressed) XRef entry: ".concat(ref));
+      }
+
+      return xrefEntry;
+    },
+    fetchIfRefAsync: function fetchIfRefAsync(obj, suppressEncryption) {
+      var _this3 = this;
+
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!(obj instanceof _primitives.Ref)) {
+                  _context.next = 2;
+                  break;
+                }
+
+                return _context.abrupt("return", _this3.fetchAsync(obj, suppressEncryption));
+
+              case 2:
+                return _context.abrupt("return", obj);
+
+              case 3:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }))();
+    },
+    fetchAsync: function fetchAsync(ref, suppressEncryption) {
+      var _this4 = this;
+
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.prev = 0;
+                return _context2.abrupt("return", _this4.fetch(ref, suppressEncryption));
+
+              case 4:
+                _context2.prev = 4;
+                _context2.t0 = _context2["catch"](0);
+
+                if (_context2.t0 instanceof _core_utils.MissingDataException) {
+                  _context2.next = 8;
+                  break;
+                }
+
+                throw _context2.t0;
+
+              case 8:
+                _context2.next = 10;
+                return _this4.pdfManager.requestRange(_context2.t0.begin, _context2.t0.end);
+
+              case 10:
+                return _context2.abrupt("return", _this4.fetchAsync(ref, suppressEncryption));
+
+              case 11:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, null, [[0, 4]]);
+      }))();
+    },
+    getCatalogObj: function XRef_getCatalogObj() {
+      return this.root;
+    }
+  };
+  return XRef;
+}();
+
+exports.XRef = XRef;
+
+var NameOrNumberTree = /*#__PURE__*/function () {
+  function NameOrNumberTree(root, xref, type) {
+    _classCallCheck(this, NameOrNumberTree);
+
+    if (this.constructor === NameOrNumberTree) {
+      (0, _util.unreachable)("Cannot initialize NameOrNumberTree.");
+    }
+
+    this.root = root;
+    this.xref = xref;
+    this._type = type;
+  }
+
+  _createClass(NameOrNumberTree, [{
+    key: "getAll",
+    value: function getAll() {
+      var dict = Object.create(null);
+
+      if (!this.root) {
+        return dict;
+      }
+
+      var xref = this.xref;
+      var processed = new _primitives.RefSet();
+      processed.put(this.root);
+      var queue = [this.root];
+
+      while (queue.length > 0) {
+        var obj = xref.fetchIfRef(queue.shift());
+
+        if (!(0, _primitives.isDict)(obj)) {
+          continue;
+        }
+
+        if (obj.has("Kids")) {
+          var kids = obj.get("Kids");
+
+          for (var i = 0, ii = kids.length; i < ii; i++) {
+            var kid = kids[i];
+
+            if (processed.has(kid)) {
+              throw new _util.FormatError("Duplicate entry in \"".concat(this._type, "\" tree."));
+            }
+
+            queue.push(kid);
+            processed.put(kid);
+          }
+
+          continue;
+        }
+
+        var entries = obj.get(this._type);
+
+        if (Array.isArray(entries)) {
+          for (var _i3 = 0, _ii = entries.length; _i3 < _ii; _i3 += 2) {
+            dict[xref.fetchIfRef(entries[_i3])] = xref.fetchIfRef(entries[_i3 + 1]);
+          }
+        }
+      }
+
+      return dict;
+    }
+  }, {
+    key: "get",
+    value: function get(key) {
+      if (!this.root) {
+        return null;
+      }
+
+      var xref = this.xref;
+      var kidsOrEntries = xref.fetchIfRef(this.root);
+      var loopCount = 0;
+      var MAX_LEVELS = 10;
+
+      while (kidsOrEntries.has("Kids")) {
+        if (++loopCount > MAX_LEVELS) {
+          (0, _util.warn)("Search depth limit reached for \"".concat(this._type, "\" tree."));
+          return null;
+        }
+
+        var kids = kidsOrEntries.get("Kids");
+
+        if (!Array.isArray(kids)) {
+          return null;
+        }
+
+        var l = 0,
+            r = kids.length - 1;
+
+        while (l <= r) {
+          var m = l + r >> 1;
+          var kid = xref.fetchIfRef(kids[m]);
+          var limits = kid.get("Limits");
+
+          if (key < xref.fetchIfRef(limits[0])) {
+            r = m - 1;
+          } else if (key > xref.fetchIfRef(limits[1])) {
+            l = m + 1;
+          } else {
+            kidsOrEntries = xref.fetchIfRef(kids[m]);
+            break;
+          }
+        }
+
+        if (l > r) {
+          return null;
+        }
+      }
+
+      var entries = kidsOrEntries.get(this._type);
+
+      if (Array.isArray(entries)) {
+        var _l = 0,
+            _r = entries.length - 2;
+
+        while (_l <= _r) {
+          var tmp = _l + _r >> 1,
+              _m = tmp + (tmp & 1);
+
+          var currentKey = xref.fetchIfRef(entries[_m]);
+
+          if (key < currentKey) {
+            _r = _m - 2;
+          } else if (key > currentKey) {
+            _l = _m + 2;
+          } else {
+            return xref.fetchIfRef(entries[_m + 1]);
+          }
+        }
+
+        (0, _util.info)("Falling back to an exhaustive search, for key \"".concat(key, "\", ") + "in \"".concat(this._type, "\" tree."));
+
+        for (var _m2 = 0, mm = entries.length; _m2 < mm; _m2 += 2) {
+          var _currentKey = xref.fetchIfRef(entries[_m2]);
+
+          if (_currentKey === key) {
+            (0, _util.warn)("The \"".concat(key, "\" key was found at an incorrect, ") + "i.e. out-of-order, position in \"".concat(this._type, "\" tree."));
+            return xref.fetchIfRef(entries[_m2 + 1]);
+          }
+        }
+      }
+
+      return null;
+    }
+  }]);
+
+  return NameOrNumberTree;
+}();
+
+var NameTree = /*#__PURE__*/function (_NameOrNumberTree) {
+  _inherits(NameTree, _NameOrNumberTree);
+
+  var _super = _createSuper(NameTree);
+
+  function NameTree(root, xref) {
+    _classCallCheck(this, NameTree);
+
+    return _super.call(this, root, xref, "Names");
+  }
+
+  return NameTree;
+}(NameOrNumberTree);
+
+var NumberTree = /*#__PURE__*/function (_NameOrNumberTree2) {
+  _inherits(NumberTree, _NameOrNumberTree2);
+
+  var _super2 = _createSuper(NumberTree);
+
+  function NumberTree(root, xref) {
+    _classCallCheck(this, NumberTree);
+
+    return _super2.call(this, root, xref, "Nums");
+  }
+
+  return NumberTree;
+}(NameOrNumberTree);
+
+var FileSpec = function FileSpecClosure() {
+  function FileSpec(root, xref) {
+    if (!root || !(0, _primitives.isDict)(root)) {
+      return;
+    }
+
+    this.xref = xref;
+    this.root = root;
+
+    if (root.has("FS")) {
+      this.fs = root.get("FS");
+    }
+
+    this.description = root.has("Desc") ? (0, _util.stringToPDFString)(root.get("Desc")) : "";
+
+    if (root.has("RF")) {
+      (0, _util.warn)("Related file specifications are not supported");
+    }
+
+    this.contentAvailable = true;
+
+    if (!root.has("EF")) {
+      this.contentAvailable = false;
+      (0, _util.warn)("Non-embedded file specifications are not supported");
+    }
+  }
+
+  function pickPlatformItem(dict) {
+    if (dict.has("UF")) {
+      return dict.get("UF");
+    } else if (dict.has("F")) {
+      return dict.get("F");
+    } else if (dict.has("Unix")) {
+      return dict.get("Unix");
+    } else if (dict.has("Mac")) {
+      return dict.get("Mac");
+    } else if (dict.has("DOS")) {
+      return dict.get("DOS");
+    }
+
+    return null;
+  }
+
+  FileSpec.prototype = {
+    get filename() {
+      if (!this._filename && this.root) {
+        var filename = pickPlatformItem(this.root) || "unnamed";
+        this._filename = (0, _util.stringToPDFString)(filename).replace(/\\\\/g, "\\").replace(/\\\//g, "/").replace(/\\/g, "/");
+      }
+
+      return this._filename;
+    },
+
+    get content() {
+      if (!this.contentAvailable) {
+        return null;
+      }
+
+      if (!this.contentRef && this.root) {
+        this.contentRef = pickPlatformItem(this.root.get("EF"));
+      }
+
+      var content = null;
+
+      if (this.contentRef) {
+        var xref = this.xref;
+        var fileObj = xref.fetchIfRef(this.contentRef);
+
+        if (fileObj && (0, _primitives.isStream)(fileObj)) {
+          content = fileObj.getBytes();
+        } else {
+          (0, _util.warn)("Embedded file specification points to non-existing/invalid " + "content");
+        }
+      } else {
+        (0, _util.warn)("Embedded file specification does not have a content");
+      }
+
+      return content;
+    },
+
+    get serializable() {
+      return {
+        filename: this.filename,
+        content: this.content
+      };
+    }
+
+  };
+  return FileSpec;
+}();
+
+exports.FileSpec = FileSpec;
+
+var ObjectLoader = function () {
+  function mayHaveChildren(value) {
+    return value instanceof _primitives.Ref || value instanceof _primitives.Dict || Array.isArray(value) || (0, _primitives.isStream)(value);
+  }
+
+  function addChildren(node, nodesToVisit) {
+    if (node instanceof _primitives.Dict) {
+      node = node.getRawValues();
+    } else if ((0, _primitives.isStream)(node)) {
+      node = node.dict.getRawValues();
+    } else if (!Array.isArray(node)) {
+      return;
+    }
+
+    var _iterator7 = _createForOfIteratorHelper(node),
+        _step7;
+
+    try {
+      for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+        var rawValue = _step7.value;
+
+        if (mayHaveChildren(rawValue)) {
+          nodesToVisit.push(rawValue);
+        }
+      }
+    } catch (err) {
+      _iterator7.e(err);
+    } finally {
+      _iterator7.f();
+    }
+  }
+
+  function ObjectLoader(dict, keys, xref) {
+    this.dict = dict;
+    this.keys = keys;
+    this.xref = xref;
+    this.refSet = null;
+  }
+
+  ObjectLoader.prototype = {
+    load: function load() {
+      var _this5 = this;
+
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3() {
+        var keys, dict, nodesToVisit, i, ii, rawValue;
+        return _regenerator["default"].wrap(function _callee3$(_context3) {
+          while (1) {
+            switch (_context3.prev = _context3.next) {
+              case 0:
+                if (!(!_this5.xref.stream.allChunksLoaded || _this5.xref.stream.allChunksLoaded())) {
+                  _context3.next = 2;
+                  break;
+                }
+
+                return _context3.abrupt("return", undefined);
+
+              case 2:
+                keys = _this5.keys, dict = _this5.dict;
+                _this5.refSet = new _primitives.RefSet();
+                nodesToVisit = [];
+
+                for (i = 0, ii = keys.length; i < ii; i++) {
+                  rawValue = dict.getRaw(keys[i]);
+
+                  if (rawValue !== undefined) {
+                    nodesToVisit.push(rawValue);
+                  }
+                }
+
+                return _context3.abrupt("return", _this5._walk(nodesToVisit));
+
+              case 7:
+              case "end":
+                return _context3.stop();
+            }
+          }
+        }, _callee3);
+      }))();
+    },
+    _walk: function _walk(nodesToVisit) {
+      var _this6 = this;
+
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee4() {
+        var nodesToRevisit, pendingRequests, currentNode, baseStreams, foundMissingData, i, ii, stream, _i4, _ii2, node;
+
+        return _regenerator["default"].wrap(function _callee4$(_context4) {
+          while (1) {
+            switch (_context4.prev = _context4.next) {
+              case 0:
+                nodesToRevisit = [];
+                pendingRequests = [];
+
+              case 2:
+                if (!nodesToVisit.length) {
+                  _context4.next = 22;
+                  break;
+                }
+
+                currentNode = nodesToVisit.pop();
+
+                if (!(currentNode instanceof _primitives.Ref)) {
+                  _context4.next = 18;
+                  break;
+                }
+
+                if (!_this6.refSet.has(currentNode)) {
+                  _context4.next = 7;
+                  break;
+                }
+
+                return _context4.abrupt("continue", 2);
+
+              case 7:
+                _context4.prev = 7;
+
+                _this6.refSet.put(currentNode);
+
+                currentNode = _this6.xref.fetch(currentNode);
+                _context4.next = 18;
+                break;
+
+              case 12:
+                _context4.prev = 12;
+                _context4.t0 = _context4["catch"](7);
+
+                if (_context4.t0 instanceof _core_utils.MissingDataException) {
+                  _context4.next = 16;
+                  break;
+                }
+
+                throw _context4.t0;
+
+              case 16:
+                nodesToRevisit.push(currentNode);
+                pendingRequests.push({
+                  begin: _context4.t0.begin,
+                  end: _context4.t0.end
+                });
+
+              case 18:
+                if (currentNode && currentNode.getBaseStreams) {
+                  baseStreams = currentNode.getBaseStreams();
+                  foundMissingData = false;
+
+                  for (i = 0, ii = baseStreams.length; i < ii; i++) {
+                    stream = baseStreams[i];
+
+                    if (stream.allChunksLoaded && !stream.allChunksLoaded()) {
+                      foundMissingData = true;
+                      pendingRequests.push({
+                        begin: stream.start,
+                        end: stream.end
+                      });
+                    }
+                  }
+
+                  if (foundMissingData) {
+                    nodesToRevisit.push(currentNode);
+                  }
+                }
+
+                addChildren(currentNode, nodesToVisit);
+                _context4.next = 2;
+                break;
+
+              case 22:
+                if (!pendingRequests.length) {
+                  _context4.next = 27;
+                  break;
+                }
+
+                _context4.next = 25;
+                return _this6.xref.stream.manager.requestRanges(pendingRequests);
+
+              case 25:
+                for (_i4 = 0, _ii2 = nodesToRevisit.length; _i4 < _ii2; _i4++) {
+                  node = nodesToRevisit[_i4];
+
+                  if (node instanceof _primitives.Ref) {
+                    _this6.refSet.remove(node);
+                  }
+                }
+
+                return _context4.abrupt("return", _this6._walk(nodesToRevisit));
+
+              case 27:
+                _this6.refSet = null;
+                return _context4.abrupt("return", undefined);
+
+              case 29:
+              case "end":
+                return _context4.stop();
+            }
+          }
+        }, _callee4, null, [[7, 12]]);
+      }))();
+    }
+  };
+  return ObjectLoader;
+}();
+
+exports.ObjectLoader = ObjectLoader;
+
+/***/ }),
+/* 208 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Parser = exports.Linearization = exports.Lexer = void 0;
+
+var _stream = __w_pdfjs_require__(209);
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _ccitt_stream = __w_pdfjs_require__(210);
+
+var _jbig2_stream = __w_pdfjs_require__(212);
+
+var _jpeg_stream = __w_pdfjs_require__(215);
+
+var _jpx_stream = __w_pdfjs_require__(217);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var MAX_LENGTH_TO_CACHE = 1000;
+var MAX_ADLER32_LENGTH = 5552;
+
+function computeAdler32(bytes) {
+  var bytesLength = bytes.length;
+  var a = 1,
+      b = 0;
+
+  for (var i = 0; i < bytesLength; ++i) {
+    a += bytes[i] & 0xff;
+    b += a;
+  }
+
+  return b % 65521 << 16 | a % 65521;
+}
+
+var Parser = /*#__PURE__*/function () {
+  function Parser(_ref) {
+    var lexer = _ref.lexer,
+        xref = _ref.xref,
+        _ref$allowStreams = _ref.allowStreams,
+        allowStreams = _ref$allowStreams === void 0 ? false : _ref$allowStreams,
+        _ref$recoveryMode = _ref.recoveryMode,
+        recoveryMode = _ref$recoveryMode === void 0 ? false : _ref$recoveryMode;
+
+    _classCallCheck(this, Parser);
+
+    this.lexer = lexer;
+    this.xref = xref;
+    this.allowStreams = allowStreams;
+    this.recoveryMode = recoveryMode;
+    this.imageCache = Object.create(null);
+    this.refill();
+  }
+
+  _createClass(Parser, [{
+    key: "refill",
+    value: function refill() {
+      this.buf1 = this.lexer.getObj();
+      this.buf2 = this.lexer.getObj();
+    }
+  }, {
+    key: "shift",
+    value: function shift() {
+      if (this.buf2 instanceof _primitives.Cmd && this.buf2.cmd === "ID") {
+        this.buf1 = this.buf2;
+        this.buf2 = null;
+      } else {
+        this.buf1 = this.buf2;
+        this.buf2 = this.lexer.getObj();
+      }
+    }
+  }, {
+    key: "tryShift",
+    value: function tryShift() {
+      try {
+        this.shift();
+        return true;
+      } catch (e) {
+        if (e instanceof _core_utils.MissingDataException) {
+          throw e;
+        }
+
+        return false;
+      }
+    }
+  }, {
+    key: "getObj",
+    value: function getObj() {
+      var cipherTransform = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+      var buf1 = this.buf1;
+      this.shift();
+
+      if (buf1 instanceof _primitives.Cmd) {
+        switch (buf1.cmd) {
+          case "BI":
+            return this.makeInlineImage(cipherTransform);
+
+          case "[":
+            var array = [];
+
+            while (!(0, _primitives.isCmd)(this.buf1, "]") && !(0, _primitives.isEOF)(this.buf1)) {
+              array.push(this.getObj(cipherTransform));
+            }
+
+            if ((0, _primitives.isEOF)(this.buf1)) {
+              if (!this.recoveryMode) {
+                throw new _util.FormatError("End of file inside array");
+              }
+
+              return array;
+            }
+
+            this.shift();
+            return array;
+
+          case "<<":
+            var dict = new _primitives.Dict(this.xref);
+
+            while (!(0, _primitives.isCmd)(this.buf1, ">>") && !(0, _primitives.isEOF)(this.buf1)) {
+              if (!(0, _primitives.isName)(this.buf1)) {
+                (0, _util.info)("Malformed dictionary: key must be a name object");
+                this.shift();
+                continue;
+              }
+
+              var key = this.buf1.name;
+              this.shift();
+
+              if ((0, _primitives.isEOF)(this.buf1)) {
+                break;
+              }
+
+              dict.set(key, this.getObj(cipherTransform));
+            }
+
+            if ((0, _primitives.isEOF)(this.buf1)) {
+              if (!this.recoveryMode) {
+                throw new _util.FormatError("End of file inside dictionary");
+              }
+
+              return dict;
+            }
+
+            if ((0, _primitives.isCmd)(this.buf2, "stream")) {
+              return this.allowStreams ? this.makeStream(dict, cipherTransform) : dict;
+            }
+
+            this.shift();
+            return dict;
+
+          default:
+            return buf1;
+        }
+      }
+
+      if (Number.isInteger(buf1)) {
+        if (Number.isInteger(this.buf1) && (0, _primitives.isCmd)(this.buf2, "R")) {
+          var ref = _primitives.Ref.get(buf1, this.buf1);
+
+          this.shift();
+          this.shift();
+          return ref;
+        }
+
+        return buf1;
+      }
+
+      if (typeof buf1 === "string") {
+        if (cipherTransform) {
+          return cipherTransform.decryptString(buf1);
+        }
+
+        return buf1;
+      }
+
+      return buf1;
+    }
+  }, {
+    key: "findDefaultInlineStreamEnd",
+    value: function findDefaultInlineStreamEnd(stream) {
+      var E = 0x45,
+          I = 0x49,
+          SPACE = 0x20,
+          LF = 0xa,
+          CR = 0xd,
+          NUL = 0x0;
+      var lexer = this.lexer,
+          startPos = stream.pos,
+          n = 10;
+      var state = 0,
+          ch,
+          maybeEIPos;
+
+      while ((ch = stream.getByte()) !== -1) {
+        if (state === 0) {
+          state = ch === E ? 1 : 0;
+        } else if (state === 1) {
+          state = ch === I ? 2 : 0;
+        } else {
+          (0, _util.assert)(state === 2, "findDefaultInlineStreamEnd - invalid state.");
+
+          if (ch === SPACE || ch === LF || ch === CR) {
+            maybeEIPos = stream.pos;
+            var followingBytes = stream.peekBytes(n);
+
+            for (var i = 0, ii = followingBytes.length; i < ii; i++) {
+              ch = followingBytes[i];
+
+              if (ch === NUL && followingBytes[i + 1] !== NUL) {
+                continue;
+              }
+
+              if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7f)) {
+                state = 0;
+                break;
+              }
+            }
+
+            if (state !== 2) {
+              continue;
+            }
+
+            if (lexer.knownCommands) {
+              var nextObj = lexer.peekObj();
+
+              if (nextObj instanceof _primitives.Cmd && !lexer.knownCommands[nextObj.cmd]) {
+                state = 0;
+              }
+            } else {
+              (0, _util.warn)("findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.");
+            }
+
+            if (state === 2) {
+              break;
+            }
+          } else {
+            state = 0;
+          }
+        }
+      }
+
+      if (ch === -1) {
+        (0, _util.warn)("findDefaultInlineStreamEnd: " + "Reached the end of the stream without finding a valid EI marker");
+
+        if (maybeEIPos) {
+          (0, _util.warn)('... trying to recover by using the last "EI" occurrence.');
+          stream.skip(-(stream.pos - maybeEIPos));
+        }
+      }
+
+      var endOffset = 4;
+      stream.skip(-endOffset);
+      ch = stream.peekByte();
+      stream.skip(endOffset);
+
+      if (!(0, _core_utils.isWhiteSpace)(ch)) {
+        endOffset--;
+      }
+
+      return stream.pos - endOffset - startPos;
+    }
+  }, {
+    key: "findDCTDecodeInlineStreamEnd",
+    value: function findDCTDecodeInlineStreamEnd(stream) {
+      var startPos = stream.pos;
+      var foundEOI = false,
+          b,
+          markerLength;
+
+      while ((b = stream.getByte()) !== -1) {
+        if (b !== 0xff) {
+          continue;
+        }
+
+        switch (stream.getByte()) {
+          case 0x00:
+            break;
+
+          case 0xff:
+            stream.skip(-1);
+            break;
+
+          case 0xd9:
+            foundEOI = true;
+            break;
+
+          case 0xc0:
+          case 0xc1:
+          case 0xc2:
+          case 0xc3:
+          case 0xc5:
+          case 0xc6:
+          case 0xc7:
+          case 0xc9:
+          case 0xca:
+          case 0xcb:
+          case 0xcd:
+          case 0xce:
+          case 0xcf:
+          case 0xc4:
+          case 0xcc:
+          case 0xda:
+          case 0xdb:
+          case 0xdc:
+          case 0xdd:
+          case 0xde:
+          case 0xdf:
+          case 0xe0:
+          case 0xe1:
+          case 0xe2:
+          case 0xe3:
+          case 0xe4:
+          case 0xe5:
+          case 0xe6:
+          case 0xe7:
+          case 0xe8:
+          case 0xe9:
+          case 0xea:
+          case 0xeb:
+          case 0xec:
+          case 0xed:
+          case 0xee:
+          case 0xef:
+          case 0xfe:
+            markerLength = stream.getUint16();
+
+            if (markerLength > 2) {
+              stream.skip(markerLength - 2);
+            } else {
+              stream.skip(-2);
+            }
+
+            break;
+        }
+
+        if (foundEOI) {
+          break;
+        }
+      }
+
+      var length = stream.pos - startPos;
+
+      if (b === -1) {
+        (0, _util.warn)("Inline DCTDecode image stream: " + "EOI marker not found, searching for /EI/ instead.");
+        stream.skip(-length);
+        return this.findDefaultInlineStreamEnd(stream);
+      }
+
+      this.inlineStreamSkipEI(stream);
+      return length;
+    }
+  }, {
+    key: "findASCII85DecodeInlineStreamEnd",
+    value: function findASCII85DecodeInlineStreamEnd(stream) {
+      var TILDE = 0x7e,
+          GT = 0x3e;
+      var startPos = stream.pos;
+      var ch;
+
+      while ((ch = stream.getByte()) !== -1) {
+        if (ch === TILDE) {
+          var tildePos = stream.pos;
+          ch = stream.peekByte();
+
+          while ((0, _core_utils.isWhiteSpace)(ch)) {
+            stream.skip();
+            ch = stream.peekByte();
+          }
+
+          if (ch === GT) {
+            stream.skip();
+            break;
+          }
+
+          if (stream.pos > tildePos) {
+            var maybeEI = stream.peekBytes(2);
+
+            if (maybeEI[0] === 0x45 && maybeEI[1] === 0x49) {
+              break;
+            }
+          }
+        }
+      }
+
+      var length = stream.pos - startPos;
+
+      if (ch === -1) {
+        (0, _util.warn)("Inline ASCII85Decode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+        stream.skip(-length);
+        return this.findDefaultInlineStreamEnd(stream);
+      }
+
+      this.inlineStreamSkipEI(stream);
+      return length;
+    }
+  }, {
+    key: "findASCIIHexDecodeInlineStreamEnd",
+    value: function findASCIIHexDecodeInlineStreamEnd(stream) {
+      var GT = 0x3e;
+      var startPos = stream.pos;
+      var ch;
+
+      while ((ch = stream.getByte()) !== -1) {
+        if (ch === GT) {
+          break;
+        }
+      }
+
+      var length = stream.pos - startPos;
+
+      if (ch === -1) {
+        (0, _util.warn)("Inline ASCIIHexDecode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+        stream.skip(-length);
+        return this.findDefaultInlineStreamEnd(stream);
+      }
+
+      this.inlineStreamSkipEI(stream);
+      return length;
+    }
+  }, {
+    key: "inlineStreamSkipEI",
+    value: function inlineStreamSkipEI(stream) {
+      var E = 0x45,
+          I = 0x49;
+      var state = 0,
+          ch;
+
+      while ((ch = stream.getByte()) !== -1) {
+        if (state === 0) {
+          state = ch === E ? 1 : 0;
+        } else if (state === 1) {
+          state = ch === I ? 2 : 0;
+        } else if (state === 2) {
+          break;
+        }
+      }
+    }
+  }, {
+    key: "makeInlineImage",
+    value: function makeInlineImage(cipherTransform) {
+      var lexer = this.lexer;
+      var stream = lexer.stream;
+      var dict = new _primitives.Dict(this.xref);
+      var dictLength;
+
+      while (!(0, _primitives.isCmd)(this.buf1, "ID") && !(0, _primitives.isEOF)(this.buf1)) {
+        if (!(0, _primitives.isName)(this.buf1)) {
+          throw new _util.FormatError("Dictionary key must be a name object");
+        }
+
+        var key = this.buf1.name;
+        this.shift();
+
+        if ((0, _primitives.isEOF)(this.buf1)) {
+          break;
+        }
+
+        dict.set(key, this.getObj(cipherTransform));
+      }
+
+      if (lexer.beginInlineImagePos !== -1) {
+        dictLength = stream.pos - lexer.beginInlineImagePos;
+      }
+
+      var filter = dict.get("Filter", "F");
+      var filterName;
+
+      if ((0, _primitives.isName)(filter)) {
+        filterName = filter.name;
+      } else if (Array.isArray(filter)) {
+        var filterZero = this.xref.fetchIfRef(filter[0]);
+
+        if ((0, _primitives.isName)(filterZero)) {
+          filterName = filterZero.name;
+        }
+      }
+
+      var startPos = stream.pos;
+      var length;
+
+      if (filterName === "DCTDecode" || filterName === "DCT") {
+        length = this.findDCTDecodeInlineStreamEnd(stream);
+      } else if (filterName === "ASCII85Decode" || filterName === "A85") {
+        length = this.findASCII85DecodeInlineStreamEnd(stream);
+      } else if (filterName === "ASCIIHexDecode" || filterName === "AHx") {
+        length = this.findASCIIHexDecodeInlineStreamEnd(stream);
+      } else {
+        length = this.findDefaultInlineStreamEnd(stream);
+      }
+
+      var imageStream = stream.makeSubStream(startPos, length, dict);
+      var cacheKey;
+
+      if (length < MAX_LENGTH_TO_CACHE && dictLength < MAX_ADLER32_LENGTH) {
+        var imageBytes = imageStream.getBytes();
+        imageStream.reset();
+        var initialStreamPos = stream.pos;
+        stream.pos = lexer.beginInlineImagePos;
+        var dictBytes = stream.getBytes(dictLength);
+        stream.pos = initialStreamPos;
+        cacheKey = computeAdler32(imageBytes) + "_" + computeAdler32(dictBytes);
+        var cacheEntry = this.imageCache[cacheKey];
+
+        if (cacheEntry !== undefined) {
+          this.buf2 = _primitives.Cmd.get("EI");
+          this.shift();
+          cacheEntry.reset();
+          return cacheEntry;
+        }
+      }
+
+      if (cipherTransform) {
+        imageStream = cipherTransform.createStream(imageStream, length);
+      }
+
+      imageStream = this.filter(imageStream, dict, length);
+      imageStream.dict = dict;
+
+      if (cacheKey !== undefined) {
+        imageStream.cacheKey = "inline_".concat(length, "_").concat(cacheKey);
+        this.imageCache[cacheKey] = imageStream;
+      }
+
+      this.buf2 = _primitives.Cmd.get("EI");
+      this.shift();
+      return imageStream;
+    }
+  }, {
+    key: "_findStreamLength",
+    value: function _findStreamLength(startPos, signature) {
+      var stream = this.lexer.stream;
+      stream.pos = startPos;
+      var SCAN_BLOCK_LENGTH = 2048;
+      var signatureLength = signature.length;
+
+      while (stream.pos < stream.end) {
+        var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+        var scanLength = scanBytes.length - signatureLength;
+
+        if (scanLength <= 0) {
+          break;
+        }
+
+        var pos = 0;
+
+        while (pos < scanLength) {
+          var j = 0;
+
+          while (j < signatureLength && scanBytes[pos + j] === signature[j]) {
+            j++;
+          }
+
+          if (j >= signatureLength) {
+            stream.pos += pos;
+            return stream.pos - startPos;
+          }
+
+          pos++;
+        }
+
+        stream.pos += scanLength;
+      }
+
+      return -1;
+    }
+  }, {
+    key: "makeStream",
+    value: function makeStream(dict, cipherTransform) {
+      var lexer = this.lexer;
+      var stream = lexer.stream;
+      lexer.skipToNextLine();
+      var startPos = stream.pos - 1;
+      var length = dict.get("Length");
+
+      if (!Number.isInteger(length)) {
+        (0, _util.info)("Bad length \"".concat(length, "\" in stream"));
+        length = 0;
+      }
+
+      stream.pos = startPos + length;
+      lexer.nextChar();
+
+      if (this.tryShift() && (0, _primitives.isCmd)(this.buf2, "endstream")) {
+        this.shift();
+      } else {
+        var ENDSTREAM_SIGNATURE = new Uint8Array([0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D]);
+
+        var actualLength = this._findStreamLength(startPos, ENDSTREAM_SIGNATURE);
+
+        if (actualLength < 0) {
+          var MAX_TRUNCATION = 1;
+
+          for (var i = 1; i <= MAX_TRUNCATION; i++) {
+            var end = ENDSTREAM_SIGNATURE.length - i;
+            var TRUNCATED_SIGNATURE = ENDSTREAM_SIGNATURE.slice(0, end);
+
+            var maybeLength = this._findStreamLength(startPos, TRUNCATED_SIGNATURE);
+
+            if (maybeLength >= 0) {
+              var lastByte = stream.peekBytes(end + 1)[end];
+
+              if (!(0, _core_utils.isWhiteSpace)(lastByte)) {
+                break;
+              }
+
+              (0, _util.info)("Found \"".concat((0, _util.bytesToString)(TRUNCATED_SIGNATURE), "\" when ") + "searching for endstream command.");
+              actualLength = maybeLength;
+              break;
+            }
+          }
+
+          if (actualLength < 0) {
+            throw new _util.FormatError("Missing endstream command.");
+          }
+        }
+
+        length = actualLength;
+        lexer.nextChar();
+        this.shift();
+        this.shift();
+      }
+
+      this.shift();
+      stream = stream.makeSubStream(startPos, length, dict);
+
+      if (cipherTransform) {
+        stream = cipherTransform.createStream(stream, length);
+      }
+
+      stream = this.filter(stream, dict, length);
+      stream.dict = dict;
+      return stream;
+    }
+  }, {
+    key: "filter",
+    value: function filter(stream, dict, length) {
+      var filter = dict.get("Filter", "F");
+      var params = dict.get("DecodeParms", "DP");
+
+      if ((0, _primitives.isName)(filter)) {
+        if (Array.isArray(params)) {
+          (0, _util.warn)("/DecodeParms should not contain an Array, " + "when /Filter contains a Name.");
+        }
+
+        return this.makeFilter(stream, filter.name, length, params);
+      }
+
+      var maybeLength = length;
+
+      if (Array.isArray(filter)) {
+        var filterArray = filter;
+        var paramsArray = params;
+
+        for (var i = 0, ii = filterArray.length; i < ii; ++i) {
+          filter = this.xref.fetchIfRef(filterArray[i]);
+
+          if (!(0, _primitives.isName)(filter)) {
+            throw new _util.FormatError("Bad filter name \"".concat(filter, "\""));
+          }
+
+          params = null;
+
+          if (Array.isArray(paramsArray) && i in paramsArray) {
+            params = this.xref.fetchIfRef(paramsArray[i]);
+          }
+
+          stream = this.makeFilter(stream, filter.name, maybeLength, params);
+          maybeLength = null;
+        }
+      }
+
+      return stream;
+    }
+  }, {
+    key: "makeFilter",
+    value: function makeFilter(stream, name, maybeLength, params) {
+      if (maybeLength === 0) {
+        (0, _util.warn)("Empty \"".concat(name, "\" stream."));
+        return new _stream.NullStream();
+      }
+
+      try {
+        var xrefStreamStats = this.xref.stats.streamTypes;
+
+        if (name === "FlateDecode" || name === "Fl") {
+          xrefStreamStats[_util.StreamType.FLATE] = true;
+
+          if (params) {
+            return new _stream.PredictorStream(new _stream.FlateStream(stream, maybeLength), maybeLength, params);
+          }
+
+          return new _stream.FlateStream(stream, maybeLength);
+        }
+
+        if (name === "LZWDecode" || name === "LZW") {
+          xrefStreamStats[_util.StreamType.LZW] = true;
+          var earlyChange = 1;
+
+          if (params) {
+            if (params.has("EarlyChange")) {
+              earlyChange = params.get("EarlyChange");
+            }
+
+            return new _stream.PredictorStream(new _stream.LZWStream(stream, maybeLength, earlyChange), maybeLength, params);
+          }
+
+          return new _stream.LZWStream(stream, maybeLength, earlyChange);
+        }
+
+        if (name === "DCTDecode" || name === "DCT") {
+          xrefStreamStats[_util.StreamType.DCT] = true;
+          return new _jpeg_stream.JpegStream(stream, maybeLength, stream.dict, params);
+        }
+
+        if (name === "JPXDecode" || name === "JPX") {
+          xrefStreamStats[_util.StreamType.JPX] = true;
+          return new _jpx_stream.JpxStream(stream, maybeLength, stream.dict, params);
+        }
+
+        if (name === "ASCII85Decode" || name === "A85") {
+          xrefStreamStats[_util.StreamType.A85] = true;
+          return new _stream.Ascii85Stream(stream, maybeLength);
+        }
+
+        if (name === "ASCIIHexDecode" || name === "AHx") {
+          xrefStreamStats[_util.StreamType.AHX] = true;
+          return new _stream.AsciiHexStream(stream, maybeLength);
+        }
+
+        if (name === "CCITTFaxDecode" || name === "CCF") {
+          xrefStreamStats[_util.StreamType.CCF] = true;
+          return new _ccitt_stream.CCITTFaxStream(stream, maybeLength, params);
+        }
+
+        if (name === "RunLengthDecode" || name === "RL") {
+          xrefStreamStats[_util.StreamType.RLX] = true;
+          return new _stream.RunLengthStream(stream, maybeLength);
+        }
+
+        if (name === "JBIG2Decode") {
+          xrefStreamStats[_util.StreamType.JBIG] = true;
+          return new _jbig2_stream.Jbig2Stream(stream, maybeLength, stream.dict, params);
+        }
+
+        (0, _util.warn)("Filter \"".concat(name, "\" is not supported."));
+        return stream;
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Invalid stream: \"".concat(ex, "\""));
+        return new _stream.NullStream();
+      }
+    }
+  }]);
+
+  return Parser;
+}();
+
+exports.Parser = Parser;
+var specialChars = [1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+
+function toHexDigit(ch) {
+  if (ch >= 0x30 && ch <= 0x39) {
+    return ch & 0x0f;
+  }
+
+  if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+    return (ch & 0x0f) + 9;
+  }
+
+  return -1;
+}
+
+var Lexer = /*#__PURE__*/function () {
+  function Lexer(stream) {
+    var knownCommands = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+
+    _classCallCheck(this, Lexer);
+
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+    this.knownCommands = knownCommands;
+    this._hexStringNumWarn = 0;
+    this.beginInlineImagePos = -1;
+  }
+
+  _createClass(Lexer, [{
+    key: "nextChar",
+    value: function nextChar() {
+      return this.currentChar = this.stream.getByte();
+    }
+  }, {
+    key: "peekChar",
+    value: function peekChar() {
+      return this.stream.peekByte();
+    }
+  }, {
+    key: "getNumber",
+    value: function getNumber() {
+      var ch = this.currentChar;
+      var eNotation = false;
+      var divideBy = 0;
+      var sign = 0;
+
+      if (ch === 0x2d) {
+        sign = -1;
+        ch = this.nextChar();
+
+        if (ch === 0x2d) {
+          ch = this.nextChar();
+        }
+      } else if (ch === 0x2b) {
+        sign = 1;
+        ch = this.nextChar();
+      }
+
+      if (ch === 0x0a || ch === 0x0d) {
+        do {
+          ch = this.nextChar();
+        } while (ch === 0x0a || ch === 0x0d);
+      }
+
+      if (ch === 0x2e) {
+        divideBy = 10;
+        ch = this.nextChar();
+      }
+
+      if (ch < 0x30 || ch > 0x39) {
+        if (divideBy === 10 && sign === 0 && ((0, _core_utils.isWhiteSpace)(ch) || ch === -1)) {
+          (0, _util.warn)("Lexer.getNumber - treating a single decimal point as zero.");
+          return 0;
+        }
+
+        throw new _util.FormatError("Invalid number: ".concat(String.fromCharCode(ch), " (charCode ").concat(ch, ")"));
+      }
+
+      sign = sign || 1;
+      var baseValue = ch - 0x30;
+      var powerValue = 0;
+      var powerValueSign = 1;
+
+      while ((ch = this.nextChar()) >= 0) {
+        if (ch >= 0x30 && ch <= 0x39) {
+          var currentDigit = ch - 0x30;
+
+          if (eNotation) {
+            powerValue = powerValue * 10 + currentDigit;
+          } else {
+            if (divideBy !== 0) {
+              divideBy *= 10;
+            }
+
+            baseValue = baseValue * 10 + currentDigit;
+          }
+        } else if (ch === 0x2e) {
+          if (divideBy === 0) {
+            divideBy = 1;
+          } else {
+            break;
+          }
+        } else if (ch === 0x2d) {
+          (0, _util.warn)("Badly formatted number: minus sign in the middle");
+        } else if (ch === 0x45 || ch === 0x65) {
+          ch = this.peekChar();
+
+          if (ch === 0x2b || ch === 0x2d) {
+            powerValueSign = ch === 0x2d ? -1 : 1;
+            this.nextChar();
+          } else if (ch < 0x30 || ch > 0x39) {
+            break;
+          }
+
+          eNotation = true;
+        } else {
+          break;
+        }
+      }
+
+      if (divideBy !== 0) {
+        baseValue /= divideBy;
+      }
+
+      if (eNotation) {
+        baseValue *= Math.pow(10, powerValueSign * powerValue);
+      }
+
+      return sign * baseValue;
+    }
+  }, {
+    key: "getString",
+    value: function getString() {
+      var numParen = 1;
+      var done = false;
+      var strBuf = this.strBuf;
+      strBuf.length = 0;
+      var ch = this.nextChar();
+
+      while (true) {
+        var charBuffered = false;
+
+        switch (ch | 0) {
+          case -1:
+            (0, _util.warn)("Unterminated string");
+            done = true;
+            break;
+
+          case 0x28:
+            ++numParen;
+            strBuf.push("(");
+            break;
+
+          case 0x29:
+            if (--numParen === 0) {
+              this.nextChar();
+              done = true;
+            } else {
+              strBuf.push(")");
+            }
+
+            break;
+
+          case 0x5c:
+            ch = this.nextChar();
+
+            switch (ch) {
+              case -1:
+                (0, _util.warn)("Unterminated string");
+                done = true;
+                break;
+
+              case 0x6e:
+                strBuf.push("\n");
+                break;
+
+              case 0x72:
+                strBuf.push("\r");
+                break;
+
+              case 0x74:
+                strBuf.push("\t");
+                break;
+
+              case 0x62:
+                strBuf.push("\b");
+                break;
+
+              case 0x66:
+                strBuf.push("\f");
+                break;
+
+              case 0x5c:
+              case 0x28:
+              case 0x29:
+                strBuf.push(String.fromCharCode(ch));
+                break;
+
+              case 0x30:
+              case 0x31:
+              case 0x32:
+              case 0x33:
+              case 0x34:
+              case 0x35:
+              case 0x36:
+              case 0x37:
+                var x = ch & 0x0f;
+                ch = this.nextChar();
+                charBuffered = true;
+
+                if (ch >= 0x30 && ch <= 0x37) {
+                  x = (x << 3) + (ch & 0x0f);
+                  ch = this.nextChar();
+
+                  if (ch >= 0x30 && ch <= 0x37) {
+                    charBuffered = false;
+                    x = (x << 3) + (ch & 0x0f);
+                  }
+                }
+
+                strBuf.push(String.fromCharCode(x));
+                break;
+
+              case 0x0d:
+                if (this.peekChar() === 0x0a) {
+                  this.nextChar();
+                }
+
+                break;
+
+              case 0x0a:
+                break;
+
+              default:
+                strBuf.push(String.fromCharCode(ch));
+                break;
+            }
+
+            break;
+
+          default:
+            strBuf.push(String.fromCharCode(ch));
+            break;
+        }
+
+        if (done) {
+          break;
+        }
+
+        if (!charBuffered) {
+          ch = this.nextChar();
+        }
+      }
+
+      return strBuf.join("");
+    }
+  }, {
+    key: "getName",
+    value: function getName() {
+      var ch, previousCh;
+      var strBuf = this.strBuf;
+      strBuf.length = 0;
+
+      while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+        if (ch === 0x23) {
+          ch = this.nextChar();
+
+          if (specialChars[ch]) {
+            (0, _util.warn)("Lexer_getName: " + "NUMBER SIGN (#) should be followed by a hexadecimal number.");
+            strBuf.push("#");
+            break;
+          }
+
+          var x = toHexDigit(ch);
+
+          if (x !== -1) {
+            previousCh = ch;
+            ch = this.nextChar();
+            var x2 = toHexDigit(ch);
+
+            if (x2 === -1) {
+              (0, _util.warn)("Lexer_getName: Illegal digit (".concat(String.fromCharCode(ch), ") ") + "in hexadecimal number.");
+              strBuf.push("#", String.fromCharCode(previousCh));
+
+              if (specialChars[ch]) {
+                break;
+              }
+
+              strBuf.push(String.fromCharCode(ch));
+              continue;
+            }
+
+            strBuf.push(String.fromCharCode(x << 4 | x2));
+          } else {
+            strBuf.push("#", String.fromCharCode(ch));
+          }
+        } else {
+          strBuf.push(String.fromCharCode(ch));
+        }
+      }
+
+      if (strBuf.length > 127) {
+        (0, _util.warn)("Name token is longer than allowed by the spec: ".concat(strBuf.length));
+      }
+
+      return _primitives.Name.get(strBuf.join(""));
+    }
+  }, {
+    key: "_hexStringWarn",
+    value: function _hexStringWarn(ch) {
+      var MAX_HEX_STRING_NUM_WARN = 5;
+
+      if (this._hexStringNumWarn++ === MAX_HEX_STRING_NUM_WARN) {
+        (0, _util.warn)("getHexString - ignoring additional invalid characters.");
+        return;
+      }
+
+      if (this._hexStringNumWarn > MAX_HEX_STRING_NUM_WARN) {
+        return;
+      }
+
+      (0, _util.warn)("getHexString - ignoring invalid character: ".concat(ch));
+    }
+  }, {
+    key: "getHexString",
+    value: function getHexString() {
+      var strBuf = this.strBuf;
+      strBuf.length = 0;
+      var ch = this.currentChar;
+      var isFirstHex = true;
+      var firstDigit, secondDigit;
+      this._hexStringNumWarn = 0;
+
+      while (true) {
+        if (ch < 0) {
+          (0, _util.warn)("Unterminated hex string");
+          break;
+        } else if (ch === 0x3e) {
+          this.nextChar();
+          break;
+        } else if (specialChars[ch] === 1) {
+          ch = this.nextChar();
+          continue;
+        } else {
+          if (isFirstHex) {
+            firstDigit = toHexDigit(ch);
+
+            if (firstDigit === -1) {
+              this._hexStringWarn(ch);
+
+              ch = this.nextChar();
+              continue;
+            }
+          } else {
+            secondDigit = toHexDigit(ch);
+
+            if (secondDigit === -1) {
+              this._hexStringWarn(ch);
+
+              ch = this.nextChar();
+              continue;
+            }
+
+            strBuf.push(String.fromCharCode(firstDigit << 4 | secondDigit));
+          }
+
+          isFirstHex = !isFirstHex;
+          ch = this.nextChar();
+        }
+      }
+
+      return strBuf.join("");
+    }
+  }, {
+    key: "getObj",
+    value: function getObj() {
+      var comment = false;
+      var ch = this.currentChar;
+
+      while (true) {
+        if (ch < 0) {
+          return _primitives.EOF;
+        }
+
+        if (comment) {
+          if (ch === 0x0a || ch === 0x0d) {
+            comment = false;
+          }
+        } else if (ch === 0x25) {
+          comment = true;
+        } else if (specialChars[ch] !== 1) {
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+
+      switch (ch | 0) {
+        case 0x30:
+        case 0x31:
+        case 0x32:
+        case 0x33:
+        case 0x34:
+        case 0x35:
+        case 0x36:
+        case 0x37:
+        case 0x38:
+        case 0x39:
+        case 0x2b:
+        case 0x2d:
+        case 0x2e:
+          return this.getNumber();
+
+        case 0x28:
+          return this.getString();
+
+        case 0x2f:
+          return this.getName();
+
+        case 0x5b:
+          this.nextChar();
+          return _primitives.Cmd.get("[");
+
+        case 0x5d:
+          this.nextChar();
+          return _primitives.Cmd.get("]");
+
+        case 0x3c:
+          ch = this.nextChar();
+
+          if (ch === 0x3c) {
+            this.nextChar();
+            return _primitives.Cmd.get("<<");
+          }
+
+          return this.getHexString();
+
+        case 0x3e:
+          ch = this.nextChar();
+
+          if (ch === 0x3e) {
+            this.nextChar();
+            return _primitives.Cmd.get(">>");
+          }
+
+          return _primitives.Cmd.get(">");
+
+        case 0x7b:
+          this.nextChar();
+          return _primitives.Cmd.get("{");
+
+        case 0x7d:
+          this.nextChar();
+          return _primitives.Cmd.get("}");
+
+        case 0x29:
+          this.nextChar();
+          throw new _util.FormatError("Illegal character: ".concat(ch));
+      }
+
+      var str = String.fromCharCode(ch);
+      var knownCommands = this.knownCommands;
+      var knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+
+      while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+        var possibleCommand = str + String.fromCharCode(ch);
+
+        if (knownCommandFound && knownCommands[possibleCommand] === undefined) {
+          break;
+        }
+
+        if (str.length === 128) {
+          throw new _util.FormatError("Command token too long: ".concat(str.length));
+        }
+
+        str = possibleCommand;
+        knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+      }
+
+      if (str === "true") {
+        return true;
+      }
+
+      if (str === "false") {
+        return false;
+      }
+
+      if (str === "null") {
+        return null;
+      }
+
+      if (str === "BI") {
+        this.beginInlineImagePos = this.stream.pos;
+      }
+
+      return _primitives.Cmd.get(str);
+    }
+  }, {
+    key: "peekObj",
+    value: function peekObj() {
+      var streamPos = this.stream.pos,
+          currentChar = this.currentChar,
+          beginInlineImagePos = this.beginInlineImagePos;
+      var nextObj;
+
+      try {
+        nextObj = this.getObj();
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("peekObj: ".concat(ex));
+      }
+
+      this.stream.pos = streamPos;
+      this.currentChar = currentChar;
+      this.beginInlineImagePos = beginInlineImagePos;
+      return nextObj;
+    }
+  }, {
+    key: "skipToNextLine",
+    value: function skipToNextLine() {
+      var ch = this.currentChar;
+
+      while (ch >= 0) {
+        if (ch === 0x0d) {
+          ch = this.nextChar();
+
+          if (ch === 0x0a) {
+            this.nextChar();
+          }
+
+          break;
+        } else if (ch === 0x0a) {
+          this.nextChar();
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+    }
+  }]);
+
+  return Lexer;
+}();
+
+exports.Lexer = Lexer;
+
+var Linearization = /*#__PURE__*/function () {
+  function Linearization() {
+    _classCallCheck(this, Linearization);
+  }
+
+  _createClass(Linearization, null, [{
+    key: "create",
+    value: function create(stream) {
+      function getInt(linDict, name) {
+        var allowZeroValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+        var obj = linDict.get(name);
+
+        if (Number.isInteger(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) {
+          return obj;
+        }
+
+        throw new Error("The \"".concat(name, "\" parameter in the linearization ") + "dictionary is invalid.");
+      }
+
+      function getHints(linDict) {
+        var hints = linDict.get("H");
+        var hintsLength;
+
+        if (Array.isArray(hints) && ((hintsLength = hints.length) === 2 || hintsLength === 4)) {
+          for (var index = 0; index < hintsLength; index++) {
+            var hint = hints[index];
+
+            if (!(Number.isInteger(hint) && hint > 0)) {
+              throw new Error("Hint (".concat(index, ") in the linearization dictionary is invalid."));
+            }
+          }
+
+          return hints;
+        }
+
+        throw new Error("Hint array in the linearization dictionary is invalid.");
+      }
+
+      var parser = new Parser({
+        lexer: new Lexer(stream),
+        xref: null
+      });
+      var obj1 = parser.getObj();
+      var obj2 = parser.getObj();
+      var obj3 = parser.getObj();
+      var linDict = parser.getObj();
+      var obj, length;
+
+      if (!(Number.isInteger(obj1) && Number.isInteger(obj2) && (0, _primitives.isCmd)(obj3, "obj") && (0, _primitives.isDict)(linDict) && (0, _util.isNum)(obj = linDict.get("Linearized")) && obj > 0)) {
+        return null;
+      } else if ((length = getInt(linDict, "L")) !== stream.length) {
+        throw new Error('The "L" parameter in the linearization dictionary ' + "does not equal the stream length.");
+      }
+
+      return {
+        length: length,
+        hints: getHints(linDict),
+        objectNumberFirst: getInt(linDict, "O"),
+        endFirst: getInt(linDict, "E"),
+        numPages: getInt(linDict, "N"),
+        mainXRefEntriesOffset: getInt(linDict, "T"),
+        pageFirst: linDict.has("P") ? getInt(linDict, "P", true) : 0
+      };
+    }
+  }]);
+
+  return Linearization;
+}();
+
+exports.Linearization = Linearization;
+
+/***/ }),
+/* 209 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.LZWStream = exports.StringStream = exports.StreamsSequenceStream = exports.Stream = exports.RunLengthStream = exports.PredictorStream = exports.NullStream = exports.FlateStream = exports.DecodeStream = exports.DecryptStream = exports.AsciiHexStream = exports.Ascii85Stream = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+var Stream = function StreamClosure() {
+  function Stream(arrayBuffer, start, length, dict) {
+    this.bytes = arrayBuffer instanceof Uint8Array ? arrayBuffer : new Uint8Array(arrayBuffer);
+    this.start = start || 0;
+    this.pos = this.start;
+    this.end = start + length || this.bytes.length;
+    this.dict = dict;
+  }
+
+  Stream.prototype = {
+    get length() {
+      return this.end - this.start;
+    },
+
+    get isEmpty() {
+      return this.length === 0;
+    },
+
+    getByte: function Stream_getByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.bytes[this.pos++];
+    },
+    getUint16: function Stream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function Stream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+    getBytes: function getBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var bytes = this.bytes;
+      var pos = this.pos;
+      var strEnd = this.end;
+
+      if (!length) {
+        var _subarray = bytes.subarray(pos, strEnd);
+
+        return forceClamped ? new Uint8ClampedArray(_subarray) : _subarray;
+      }
+
+      var end = pos + length;
+
+      if (end > strEnd) {
+        end = strEnd;
+      }
+
+      this.pos = end;
+      var subarray = bytes.subarray(pos, end);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    },
+    peekByte: function Stream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+    peekBytes: function peekBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+    getByteRange: function getByteRange(begin, end) {
+      if (begin < 0) {
+        begin = 0;
+      }
+
+      if (end > this.end) {
+        end = this.end;
+      }
+
+      return this.bytes.subarray(begin, end);
+    },
+    skip: function Stream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function Stream_reset() {
+      this.pos = this.start;
+    },
+    moveStart: function Stream_moveStart() {
+      this.start = this.pos;
+    },
+    makeSubStream: function Stream_makeSubStream(start, length, dict) {
+      return new Stream(this.bytes.buffer, start, length, dict);
+    }
+  };
+  return Stream;
+}();
+
+exports.Stream = Stream;
+
+var StringStream = function StringStreamClosure() {
+  function StringStream(str) {
+    var bytes = (0, _util.stringToBytes)(str);
+    Stream.call(this, bytes);
+  }
+
+  StringStream.prototype = Stream.prototype;
+  return StringStream;
+}();
+
+exports.StringStream = StringStream;
+
+var DecodeStream = function DecodeStreamClosure() {
+  var emptyBuffer = new Uint8Array(0);
+
+  function DecodeStream(maybeMinBufferLength) {
+    this._rawMinBufferLength = maybeMinBufferLength || 0;
+    this.pos = 0;
+    this.bufferLength = 0;
+    this.eof = false;
+    this.buffer = emptyBuffer;
+    this.minBufferLength = 512;
+
+    if (maybeMinBufferLength) {
+      while (this.minBufferLength < maybeMinBufferLength) {
+        this.minBufferLength *= 2;
+      }
+    }
+  }
+
+  DecodeStream.prototype = {
+    get isEmpty() {
+      while (!this.eof && this.bufferLength === 0) {
+        this.readBlock();
+      }
+
+      return this.bufferLength === 0;
+    },
+
+    ensureBuffer: function DecodeStream_ensureBuffer(requested) {
+      var buffer = this.buffer;
+
+      if (requested <= buffer.byteLength) {
+        return buffer;
+      }
+
+      var size = this.minBufferLength;
+
+      while (size < requested) {
+        size *= 2;
+      }
+
+      var buffer2 = new Uint8Array(size);
+      buffer2.set(buffer);
+      return this.buffer = buffer2;
+    },
+    getByte: function DecodeStream_getByte() {
+      var pos = this.pos;
+
+      while (this.bufferLength <= pos) {
+        if (this.eof) {
+          return -1;
+        }
+
+        this.readBlock();
+      }
+
+      return this.buffer[this.pos++];
+    },
+    getUint16: function DecodeStream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function DecodeStream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+    getBytes: function getBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var end,
+          pos = this.pos;
+
+      if (length) {
+        this.ensureBuffer(pos + length);
+        end = pos + length;
+
+        while (!this.eof && this.bufferLength < end) {
+          this.readBlock();
+        }
+
+        var bufEnd = this.bufferLength;
+
+        if (end > bufEnd) {
+          end = bufEnd;
+        }
+      } else {
+        while (!this.eof) {
+          this.readBlock();
+        }
+
+        end = this.bufferLength;
+      }
+
+      this.pos = end;
+      var subarray = this.buffer.subarray(pos, end);
+      return forceClamped && !(subarray instanceof Uint8ClampedArray) ? new Uint8ClampedArray(subarray) : subarray;
+    },
+    peekByte: function DecodeStream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+    peekBytes: function peekBytes(length) {
+      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+    makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {
+      var end = start + length;
+
+      while (this.bufferLength <= end && !this.eof) {
+        this.readBlock();
+      }
+
+      return new Stream(this.buffer, start, length, dict);
+    },
+    getByteRange: function getByteRange(begin, end) {
+      (0, _util.unreachable)("Should not call DecodeStream.getByteRange");
+    },
+    skip: function DecodeStream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function DecodeStream_reset() {
+      this.pos = 0;
+    },
+    getBaseStreams: function DecodeStream_getBaseStreams() {
+      if (this.str && this.str.getBaseStreams) {
+        return this.str.getBaseStreams();
+      }
+
+      return [];
+    }
+  };
+  return DecodeStream;
+}();
+
+exports.DecodeStream = DecodeStream;
+
+var StreamsSequenceStream = function StreamsSequenceStreamClosure() {
+  function StreamsSequenceStream(streams) {
+    this.streams = streams;
+    var maybeLength = 0;
+
+    for (var i = 0, ii = streams.length; i < ii; i++) {
+      var stream = streams[i];
+
+      if (stream instanceof DecodeStream) {
+        maybeLength += stream._rawMinBufferLength;
+      } else {
+        maybeLength += stream.length;
+      }
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);
+
+  StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {
+    var streams = this.streams;
+
+    if (streams.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    var stream = streams.shift();
+    var chunk = stream.getBytes();
+    var bufferLength = this.bufferLength;
+    var newLength = bufferLength + chunk.length;
+    var buffer = this.ensureBuffer(newLength);
+    buffer.set(chunk, bufferLength);
+    this.bufferLength = newLength;
+  };
+
+  StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {
+    var baseStreams = [];
+
+    for (var i = 0, ii = this.streams.length; i < ii; i++) {
+      var stream = this.streams[i];
+
+      if (stream.getBaseStreams) {
+        baseStreams.push.apply(baseStreams, _toConsumableArray(stream.getBaseStreams()));
+      }
+    }
+
+    return baseStreams;
+  };
+
+  return StreamsSequenceStream;
+}();
+
+exports.StreamsSequenceStream = StreamsSequenceStream;
+
+var FlateStream = function FlateStreamClosure() {
+  var codeLenCodeMap = new Int32Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
+  var lengthDecode = new Int32Array([0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102]);
+  var distDecode = new Int32Array([0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001]);
+  var fixedLitCodeTab = [new Int32Array([0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, 0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8, 0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8, 0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8, 0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4, 0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4, 0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4, 0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc, 0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec, 0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc, 0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2, 0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2, 0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2, 0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca, 0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea, 0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da, 0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6, 0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6, 0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6, 0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce, 0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee, 0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de, 0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe, 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1, 0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1, 0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1, 0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9, 0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9, 0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9, 0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5, 0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5, 0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5, 0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd, 0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed, 0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd, 0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3, 0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3, 0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3, 0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb, 0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb, 0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db, 0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7, 0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7, 0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7, 0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf, 0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef, 0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df, 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff]), 9];
+  var fixedDistCodeTab = [new Int32Array([0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000]), 5];
+
+  function FlateStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    var cmf = str.getByte();
+    var flg = str.getByte();
+
+    if (cmf === -1 || flg === -1) {
+      throw new _util.FormatError("Invalid header in flate stream: ".concat(cmf, ", ").concat(flg));
+    }
+
+    if ((cmf & 0x0f) !== 0x08) {
+      throw new _util.FormatError("Unknown compression method in flate stream: ".concat(cmf, ", ").concat(flg));
+    }
+
+    if (((cmf << 8) + flg) % 31 !== 0) {
+      throw new _util.FormatError("Bad FCHECK in flate stream: ".concat(cmf, ", ").concat(flg));
+    }
+
+    if (flg & 0x20) {
+      throw new _util.FormatError("FDICT bit set in flate stream: ".concat(cmf, ", ").concat(flg));
+    }
+
+    this.codeSize = 0;
+    this.codeBuf = 0;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  FlateStream.prototype = Object.create(DecodeStream.prototype);
+
+  FlateStream.prototype.getBits = function FlateStream_getBits(bits) {
+    var str = this.str;
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < bits) {
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad encoding in flate stream");
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    b = codeBuf & (1 << bits) - 1;
+    this.codeBuf = codeBuf >> bits;
+    this.codeSize = codeSize -= bits;
+    return b;
+  };
+
+  FlateStream.prototype.getCode = function FlateStream_getCode(table) {
+    var str = this.str;
+    var codes = table[0];
+    var maxLen = table[1];
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < maxLen) {
+      if ((b = str.getByte()) === -1) {
+        break;
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    var code = codes[codeBuf & (1 << maxLen) - 1];
+    var codeLen = code >> 16;
+    var codeVal = code & 0xffff;
+
+    if (codeLen < 1 || codeSize < codeLen) {
+      throw new _util.FormatError("Bad encoding in flate stream");
+    }
+
+    this.codeBuf = codeBuf >> codeLen;
+    this.codeSize = codeSize - codeLen;
+    return codeVal;
+  };
+
+  FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(lengths) {
+    var n = lengths.length;
+    var maxLen = 0;
+    var i;
+
+    for (i = 0; i < n; ++i) {
+      if (lengths[i] > maxLen) {
+        maxLen = lengths[i];
+      }
+    }
+
+    var size = 1 << maxLen;
+    var codes = new Int32Array(size);
+
+    for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) {
+      for (var val = 0; val < n; ++val) {
+        if (lengths[val] === len) {
+          var code2 = 0;
+          var t = code;
+
+          for (i = 0; i < len; ++i) {
+            code2 = code2 << 1 | t & 1;
+            t >>= 1;
+          }
+
+          for (i = code2; i < size; i += skip) {
+            codes[i] = len << 16 | val;
+          }
+
+          ++code;
+        }
+      }
+    }
+
+    return [codes, maxLen];
+  };
+
+  FlateStream.prototype.readBlock = function FlateStream_readBlock() {
+    var buffer, len;
+    var str = this.str;
+    var hdr = this.getBits(3);
+
+    if (hdr & 1) {
+      this.eof = true;
+    }
+
+    hdr >>= 1;
+
+    if (hdr === 0) {
+      var b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var blockLen = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      blockLen |= b << 8;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var check = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      check |= b << 8;
+
+      if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {
+        throw new _util.FormatError("Bad uncompressed block length in flate stream");
+      }
+
+      this.codeBuf = 0;
+      this.codeSize = 0;
+      var bufferLength = this.bufferLength,
+          end = bufferLength + blockLen;
+      buffer = this.ensureBuffer(end);
+      this.bufferLength = end;
+
+      if (blockLen === 0) {
+        if (str.peekByte() === -1) {
+          this.eof = true;
+        }
+      } else {
+        var block = str.getBytes(blockLen);
+        buffer.set(block, bufferLength);
+
+        if (block.length < blockLen) {
+          this.eof = true;
+        }
+      }
+
+      return;
+    }
+
+    var litCodeTable;
+    var distCodeTable;
+
+    if (hdr === 1) {
+      litCodeTable = fixedLitCodeTab;
+      distCodeTable = fixedDistCodeTab;
+    } else if (hdr === 2) {
+      var numLitCodes = this.getBits(5) + 257;
+      var numDistCodes = this.getBits(5) + 1;
+      var numCodeLenCodes = this.getBits(4) + 4;
+      var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);
+      var i;
+
+      for (i = 0; i < numCodeLenCodes; ++i) {
+        codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);
+      }
+
+      var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);
+      len = 0;
+      i = 0;
+      var codes = numLitCodes + numDistCodes;
+      var codeLengths = new Uint8Array(codes);
+      var bitsLength, bitsOffset, what;
+
+      while (i < codes) {
+        var code = this.getCode(codeLenCodeTab);
+
+        if (code === 16) {
+          bitsLength = 2;
+          bitsOffset = 3;
+          what = len;
+        } else if (code === 17) {
+          bitsLength = 3;
+          bitsOffset = 3;
+          what = len = 0;
+        } else if (code === 18) {
+          bitsLength = 7;
+          bitsOffset = 11;
+          what = len = 0;
+        } else {
+          codeLengths[i++] = len = code;
+          continue;
+        }
+
+        var repeatLength = this.getBits(bitsLength) + bitsOffset;
+
+        while (repeatLength-- > 0) {
+          codeLengths[i++] = what;
+        }
+      }
+
+      litCodeTable = this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes));
+      distCodeTable = this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes));
+    } else {
+      throw new _util.FormatError("Unknown block type in flate stream");
+    }
+
+    buffer = this.buffer;
+    var limit = buffer ? buffer.length : 0;
+    var pos = this.bufferLength;
+
+    while (true) {
+      var code1 = this.getCode(litCodeTable);
+
+      if (code1 < 256) {
+        if (pos + 1 >= limit) {
+          buffer = this.ensureBuffer(pos + 1);
+          limit = buffer.length;
+        }
+
+        buffer[pos++] = code1;
+        continue;
+      }
+
+      if (code1 === 256) {
+        this.bufferLength = pos;
+        return;
+      }
+
+      code1 -= 257;
+      code1 = lengthDecode[code1];
+      var code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      len = (code1 & 0xffff) + code2;
+      code1 = this.getCode(distCodeTable);
+      code1 = distDecode[code1];
+      code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      var dist = (code1 & 0xffff) + code2;
+
+      if (pos + len >= limit) {
+        buffer = this.ensureBuffer(pos + len);
+        limit = buffer.length;
+      }
+
+      for (var k = 0; k < len; ++k, ++pos) {
+        buffer[pos] = buffer[pos - dist];
+      }
+    }
+  };
+
+  return FlateStream;
+}();
+
+exports.FlateStream = FlateStream;
+
+var PredictorStream = function PredictorStreamClosure() {
+  function PredictorStream(str, maybeLength, params) {
+    if (!(0, _primitives.isDict)(params)) {
+      return str;
+    }
+
+    var predictor = this.predictor = params.get("Predictor") || 1;
+
+    if (predictor <= 1) {
+      return str;
+    }
+
+    if (predictor !== 2 && (predictor < 10 || predictor > 15)) {
+      throw new _util.FormatError("Unsupported predictor: ".concat(predictor));
+    }
+
+    if (predictor === 2) {
+      this.readBlock = this.readBlockTiff;
+    } else {
+      this.readBlock = this.readBlockPng;
+    }
+
+    this.str = str;
+    this.dict = str.dict;
+    var colors = this.colors = params.get("Colors") || 1;
+    var bits = this.bits = params.get("BitsPerComponent") || 8;
+    var columns = this.columns = params.get("Columns") || 1;
+    this.pixBytes = colors * bits + 7 >> 3;
+    this.rowBytes = columns * colors * bits + 7 >> 3;
+    DecodeStream.call(this, maybeLength);
+    return this;
+  }
+
+  PredictorStream.prototype = Object.create(DecodeStream.prototype);
+
+  PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {
+    var rowBytes = this.rowBytes;
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var bits = this.bits;
+    var colors = this.colors;
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var inbuf = 0,
+        outbuf = 0;
+    var inbits = 0,
+        outbits = 0;
+    var pos = bufferLength;
+    var i;
+
+    if (bits === 1 && colors === 1) {
+      for (i = 0; i < rowBytes; ++i) {
+        var c = rawBytes[i] ^ inbuf;
+        c ^= c >> 1;
+        c ^= c >> 2;
+        c ^= c >> 4;
+        inbuf = (c & 1) << 7;
+        buffer[pos++] = c;
+      }
+    } else if (bits === 8) {
+      for (i = 0; i < colors; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; ++i) {
+        buffer[pos] = buffer[pos - colors] + rawBytes[i];
+        pos++;
+      }
+    } else if (bits === 16) {
+      var bytesPerPixel = colors * 2;
+
+      for (i = 0; i < bytesPerPixel; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; i += 2) {
+        var sum = ((rawBytes[i] & 0xff) << 8) + (rawBytes[i + 1] & 0xff) + ((buffer[pos - bytesPerPixel] & 0xff) << 8) + (buffer[pos - bytesPerPixel + 1] & 0xff);
+        buffer[pos++] = sum >> 8 & 0xff;
+        buffer[pos++] = sum & 0xff;
+      }
+    } else {
+      var compArray = new Uint8Array(colors + 1);
+      var bitMask = (1 << bits) - 1;
+      var j = 0,
+          k = bufferLength;
+      var columns = this.columns;
+
+      for (i = 0; i < columns; ++i) {
+        for (var kk = 0; kk < colors; ++kk) {
+          if (inbits < bits) {
+            inbuf = inbuf << 8 | rawBytes[j++] & 0xff;
+            inbits += 8;
+          }
+
+          compArray[kk] = compArray[kk] + (inbuf >> inbits - bits) & bitMask;
+          inbits -= bits;
+          outbuf = outbuf << bits | compArray[kk];
+          outbits += bits;
+
+          if (outbits >= 8) {
+            buffer[k++] = outbuf >> outbits - 8 & 0xff;
+            outbits -= 8;
+          }
+        }
+      }
+
+      if (outbits > 0) {
+        buffer[k++] = (outbuf << 8 - outbits) + (inbuf & (1 << 8 - outbits) - 1);
+      }
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {
+    var rowBytes = this.rowBytes;
+    var pixBytes = this.pixBytes;
+    var predictor = this.str.getByte();
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);
+
+    if (prevRow.length === 0) {
+      prevRow = new Uint8Array(rowBytes);
+    }
+
+    var i,
+        j = bufferLength,
+        up,
+        c;
+
+    switch (predictor) {
+      case 0:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        break;
+
+      case 1:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = buffer[j - pixBytes] + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 2:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = prevRow[i] + rawBytes[i] & 0xff;
+        }
+
+        break;
+
+      case 3:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = (prevRow[i] + buffer[j - pixBytes] >> 1) + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 4:
+        for (i = 0; i < pixBytes; ++i) {
+          up = prevRow[i];
+          c = rawBytes[i];
+          buffer[j++] = up + c;
+        }
+
+        for (; i < rowBytes; ++i) {
+          up = prevRow[i];
+          var upLeft = prevRow[i - pixBytes];
+          var left = buffer[j - pixBytes];
+          var p = left + up - upLeft;
+          var pa = p - left;
+
+          if (pa < 0) {
+            pa = -pa;
+          }
+
+          var pb = p - up;
+
+          if (pb < 0) {
+            pb = -pb;
+          }
+
+          var pc = p - upLeft;
+
+          if (pc < 0) {
+            pc = -pc;
+          }
+
+          c = rawBytes[i];
+
+          if (pa <= pb && pa <= pc) {
+            buffer[j++] = left + c;
+          } else if (pb <= pc) {
+            buffer[j++] = up + c;
+          } else {
+            buffer[j++] = upLeft + c;
+          }
+        }
+
+        break;
+
+      default:
+        throw new _util.FormatError("Unsupported predictor: ".concat(predictor));
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  return PredictorStream;
+}();
+
+exports.PredictorStream = PredictorStream;
+
+var DecryptStream = function DecryptStreamClosure() {
+  function DecryptStream(str, maybeLength, decrypt) {
+    this.str = str;
+    this.dict = str.dict;
+    this.decrypt = decrypt;
+    this.nextChunk = null;
+    this.initialized = false;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  var chunkSize = 512;
+  DecryptStream.prototype = Object.create(DecodeStream.prototype);
+
+  DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
+    var chunk;
+
+    if (this.initialized) {
+      chunk = this.nextChunk;
+    } else {
+      chunk = this.str.getBytes(chunkSize);
+      this.initialized = true;
+    }
+
+    if (!chunk || chunk.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    this.nextChunk = this.str.getBytes(chunkSize);
+    var hasMoreData = this.nextChunk && this.nextChunk.length > 0;
+    var decrypt = this.decrypt;
+    chunk = decrypt(chunk, !hasMoreData);
+    var bufferLength = this.bufferLength;
+    var i,
+        n = chunk.length;
+    var buffer = this.ensureBuffer(bufferLength + n);
+
+    for (i = 0; i < n; i++) {
+      buffer[bufferLength++] = chunk[i];
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return DecryptStream;
+}();
+
+exports.DecryptStream = DecryptStream;
+
+var Ascii85Stream = function Ascii85StreamClosure() {
+  function Ascii85Stream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.input = new Uint8Array(5);
+
+    if (maybeLength) {
+      maybeLength = 0.8 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  Ascii85Stream.prototype = Object.create(DecodeStream.prototype);
+
+  Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {
+    var TILDA_CHAR = 0x7e;
+    var Z_LOWER_CHAR = 0x7a;
+    var EOF = -1;
+    var str = this.str;
+    var c = str.getByte();
+
+    while ((0, _core_utils.isWhiteSpace)(c)) {
+      c = str.getByte();
+    }
+
+    if (c === EOF || c === TILDA_CHAR) {
+      this.eof = true;
+      return;
+    }
+
+    var bufferLength = this.bufferLength,
+        buffer;
+    var i;
+
+    if (c === Z_LOWER_CHAR) {
+      buffer = this.ensureBuffer(bufferLength + 4);
+
+      for (i = 0; i < 4; ++i) {
+        buffer[bufferLength + i] = 0;
+      }
+
+      this.bufferLength += 4;
+    } else {
+      var input = this.input;
+      input[0] = c;
+
+      for (i = 1; i < 5; ++i) {
+        c = str.getByte();
+
+        while ((0, _core_utils.isWhiteSpace)(c)) {
+          c = str.getByte();
+        }
+
+        input[i] = c;
+
+        if (c === EOF || c === TILDA_CHAR) {
+          break;
+        }
+      }
+
+      buffer = this.ensureBuffer(bufferLength + i - 1);
+      this.bufferLength += i - 1;
+
+      if (i < 5) {
+        for (; i < 5; ++i) {
+          input[i] = 0x21 + 84;
+        }
+
+        this.eof = true;
+      }
+
+      var t = 0;
+
+      for (i = 0; i < 5; ++i) {
+        t = t * 85 + (input[i] - 0x21);
+      }
+
+      for (i = 3; i >= 0; --i) {
+        buffer[bufferLength + i] = t & 0xff;
+        t >>= 8;
+      }
+    }
+  };
+
+  return Ascii85Stream;
+}();
+
+exports.Ascii85Stream = Ascii85Stream;
+
+var AsciiHexStream = function AsciiHexStreamClosure() {
+  function AsciiHexStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.firstDigit = -1;
+
+    if (maybeLength) {
+      maybeLength = 0.5 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  AsciiHexStream.prototype = Object.create(DecodeStream.prototype);
+
+  AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {
+    var UPSTREAM_BLOCK_SIZE = 8000;
+    var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);
+
+    if (!bytes.length) {
+      this.eof = true;
+      return;
+    }
+
+    var maxDecodeLength = bytes.length + 1 >> 1;
+    var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);
+    var bufferLength = this.bufferLength;
+    var firstDigit = this.firstDigit;
+
+    for (var i = 0, ii = bytes.length; i < ii; i++) {
+      var ch = bytes[i],
+          digit;
+
+      if (ch >= 0x30 && ch <= 0x39) {
+        digit = ch & 0x0f;
+      } else if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+        digit = (ch & 0x0f) + 9;
+      } else if (ch === 0x3e) {
+        this.eof = true;
+        break;
+      } else {
+        continue;
+      }
+
+      if (firstDigit < 0) {
+        firstDigit = digit;
+      } else {
+        buffer[bufferLength++] = firstDigit << 4 | digit;
+        firstDigit = -1;
+      }
+    }
+
+    if (firstDigit >= 0 && this.eof) {
+      buffer[bufferLength++] = firstDigit << 4;
+      firstDigit = -1;
+    }
+
+    this.firstDigit = firstDigit;
+    this.bufferLength = bufferLength;
+  };
+
+  return AsciiHexStream;
+}();
+
+exports.AsciiHexStream = AsciiHexStream;
+
+var RunLengthStream = function RunLengthStreamClosure() {
+  function RunLengthStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  RunLengthStream.prototype = Object.create(DecodeStream.prototype);
+
+  RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {
+    var repeatHeader = this.str.getBytes(2);
+
+    if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {
+      this.eof = true;
+      return;
+    }
+
+    var buffer;
+    var bufferLength = this.bufferLength;
+    var n = repeatHeader[0];
+
+    if (n < 128) {
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+      buffer[bufferLength++] = repeatHeader[1];
+
+      if (n > 0) {
+        var source = this.str.getBytes(n);
+        buffer.set(source, bufferLength);
+        bufferLength += n;
+      }
+    } else {
+      n = 257 - n;
+      var b = repeatHeader[1];
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+
+      for (var i = 0; i < n; i++) {
+        buffer[bufferLength++] = b;
+      }
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return RunLengthStream;
+}();
+
+exports.RunLengthStream = RunLengthStream;
+
+var LZWStream = function LZWStreamClosure() {
+  function LZWStream(str, maybeLength, earlyChange) {
+    this.str = str;
+    this.dict = str.dict;
+    this.cachedData = 0;
+    this.bitsCached = 0;
+    var maxLzwDictionarySize = 4096;
+    var lzwState = {
+      earlyChange: earlyChange,
+      codeLength: 9,
+      nextCode: 258,
+      dictionaryValues: new Uint8Array(maxLzwDictionarySize),
+      dictionaryLengths: new Uint16Array(maxLzwDictionarySize),
+      dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize),
+      currentSequence: new Uint8Array(maxLzwDictionarySize),
+      currentSequenceLength: 0
+    };
+
+    for (var i = 0; i < 256; ++i) {
+      lzwState.dictionaryValues[i] = i;
+      lzwState.dictionaryLengths[i] = 1;
+    }
+
+    this.lzwState = lzwState;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  LZWStream.prototype = Object.create(DecodeStream.prototype);
+
+  LZWStream.prototype.readBits = function LZWStream_readBits(n) {
+    var bitsCached = this.bitsCached;
+    var cachedData = this.cachedData;
+
+    while (bitsCached < n) {
+      var c = this.str.getByte();
+
+      if (c === -1) {
+        this.eof = true;
+        return null;
+      }
+
+      cachedData = cachedData << 8 | c;
+      bitsCached += 8;
+    }
+
+    this.bitsCached = bitsCached -= n;
+    this.cachedData = cachedData;
+    this.lastCode = null;
+    return cachedData >>> bitsCached & (1 << n) - 1;
+  };
+
+  LZWStream.prototype.readBlock = function LZWStream_readBlock() {
+    var blockSize = 512;
+    var estimatedDecodedSize = blockSize * 2,
+        decodedSizeDelta = blockSize;
+    var i, j, q;
+    var lzwState = this.lzwState;
+
+    if (!lzwState) {
+      return;
+    }
+
+    var earlyChange = lzwState.earlyChange;
+    var nextCode = lzwState.nextCode;
+    var dictionaryValues = lzwState.dictionaryValues;
+    var dictionaryLengths = lzwState.dictionaryLengths;
+    var dictionaryPrevCodes = lzwState.dictionaryPrevCodes;
+    var codeLength = lzwState.codeLength;
+    var prevCode = lzwState.prevCode;
+    var currentSequence = lzwState.currentSequence;
+    var currentSequenceLength = lzwState.currentSequenceLength;
+    var decodedLength = 0;
+    var currentBufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+
+    for (i = 0; i < blockSize; i++) {
+      var code = this.readBits(codeLength);
+      var hasPrev = currentSequenceLength > 0;
+
+      if (code < 256) {
+        currentSequence[0] = code;
+        currentSequenceLength = 1;
+      } else if (code >= 258) {
+        if (code < nextCode) {
+          currentSequenceLength = dictionaryLengths[code];
+
+          for (j = currentSequenceLength - 1, q = code; j >= 0; j--) {
+            currentSequence[j] = dictionaryValues[q];
+            q = dictionaryPrevCodes[q];
+          }
+        } else {
+          currentSequence[currentSequenceLength++] = currentSequence[0];
+        }
+      } else if (code === 256) {
+        codeLength = 9;
+        nextCode = 258;
+        currentSequenceLength = 0;
+        continue;
+      } else {
+        this.eof = true;
+        delete this.lzwState;
+        break;
+      }
+
+      if (hasPrev) {
+        dictionaryPrevCodes[nextCode] = prevCode;
+        dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1;
+        dictionaryValues[nextCode] = currentSequence[0];
+        nextCode++;
+        codeLength = nextCode + earlyChange & nextCode + earlyChange - 1 ? codeLength : Math.min(Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1, 12) | 0;
+      }
+
+      prevCode = code;
+      decodedLength += currentSequenceLength;
+
+      if (estimatedDecodedSize < decodedLength) {
+        do {
+          estimatedDecodedSize += decodedSizeDelta;
+        } while (estimatedDecodedSize < decodedLength);
+
+        buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+      }
+
+      for (j = 0; j < currentSequenceLength; j++) {
+        buffer[currentBufferLength++] = currentSequence[j];
+      }
+    }
+
+    lzwState.nextCode = nextCode;
+    lzwState.codeLength = codeLength;
+    lzwState.prevCode = prevCode;
+    lzwState.currentSequenceLength = currentSequenceLength;
+    this.bufferLength = currentBufferLength;
+  };
+
+  return LZWStream;
+}();
+
+exports.LZWStream = LZWStream;
+
+var NullStream = function NullStreamClosure() {
+  function NullStream() {
+    Stream.call(this, new Uint8Array(0));
+  }
+
+  NullStream.prototype = Stream.prototype;
+  return NullStream;
+}();
+
+exports.NullStream = NullStream;
+
+/***/ }),
+/* 210 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxStream = void 0;
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _ccitt = __w_pdfjs_require__(211);
+
+var _stream = __w_pdfjs_require__(209);
+
+var CCITTFaxStream = function CCITTFaxStreamClosure() {
+  function CCITTFaxStream(str, maybeLength, params) {
+    this.str = str;
+    this.dict = str.dict;
+
+    if (!(0, _primitives.isDict)(params)) {
+      params = _primitives.Dict.empty;
+    }
+
+    var source = {
+      next: function next() {
+        return str.getByte();
+      }
+    };
+    this.ccittFaxDecoder = new _ccitt.CCITTFaxDecoder(source, {
+      K: params.get("K"),
+      EndOfLine: params.get("EndOfLine"),
+      EncodedByteAlign: params.get("EncodedByteAlign"),
+      Columns: params.get("Columns"),
+      Rows: params.get("Rows"),
+      EndOfBlock: params.get("EndOfBlock"),
+      BlackIs1: params.get("BlackIs1")
+    });
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  CCITTFaxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+
+  CCITTFaxStream.prototype.readBlock = function () {
+    while (!this.eof) {
+      var c = this.ccittFaxDecoder.readNextChar();
+
+      if (c === -1) {
+        this.eof = true;
+        return;
+      }
+
+      this.ensureBuffer(this.bufferLength + 1);
+      this.buffer[this.bufferLength++] = c;
+    }
+  };
+
+  return CCITTFaxStream;
+}();
+
+exports.CCITTFaxStream = CCITTFaxStream;
+
+/***/ }),
+/* 211 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxDecoder = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var CCITTFaxDecoder = function CCITTFaxDecoder() {
+  var ccittEOL = -2;
+  var ccittEOF = -1;
+  var twoDimPass = 0;
+  var twoDimHoriz = 1;
+  var twoDimVert0 = 2;
+  var twoDimVertR1 = 3;
+  var twoDimVertL1 = 4;
+  var twoDimVertR2 = 5;
+  var twoDimVertL2 = 6;
+  var twoDimVertR3 = 7;
+  var twoDimVertL3 = 8;
+  var twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
+  var whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
+  var whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
+  var blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
+  var blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
+  var blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
+
+  function CCITTFaxDecoder(source) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    if (!source || typeof source.next !== "function") {
+      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
+    }
+
+    this.source = source;
+    this.eof = false;
+    this.encoding = options.K || 0;
+    this.eoline = options.EndOfLine || false;
+    this.byteAlign = options.EncodedByteAlign || false;
+    this.columns = options.Columns || 1728;
+    this.rows = options.Rows || 0;
+    var eoblock = options.EndOfBlock;
+
+    if (eoblock === null || eoblock === undefined) {
+      eoblock = true;
+    }
+
+    this.eoblock = eoblock;
+    this.black = options.BlackIs1 || false;
+    this.codingLine = new Uint32Array(this.columns + 1);
+    this.refLine = new Uint32Array(this.columns + 2);
+    this.codingLine[0] = this.columns;
+    this.codingPos = 0;
+    this.row = 0;
+    this.nextLine2D = this.encoding < 0;
+    this.inputBits = 0;
+    this.inputBuf = 0;
+    this.outputBits = 0;
+    this.rowsDone = false;
+    var code1;
+
+    while ((code1 = this._lookBits(12)) === 0) {
+      this._eatBits(1);
+    }
+
+    if (code1 === 1) {
+      this._eatBits(12);
+    }
+
+    if (this.encoding > 0) {
+      this.nextLine2D = !this._lookBits(1);
+
+      this._eatBits(1);
+    }
+  }
+
+  CCITTFaxDecoder.prototype = {
+    readNextChar: function readNextChar() {
+      if (this.eof) {
+        return -1;
+      }
+
+      var refLine = this.refLine;
+      var codingLine = this.codingLine;
+      var columns = this.columns;
+      var refPos, blackPixels, bits, i;
+
+      if (this.outputBits === 0) {
+        if (this.rowsDone) {
+          this.eof = true;
+        }
+
+        if (this.eof) {
+          return -1;
+        }
+
+        this.err = false;
+        var code1, code2, code3;
+
+        if (this.nextLine2D) {
+          for (i = 0; codingLine[i] < columns; ++i) {
+            refLine[i] = codingLine[i];
+          }
+
+          refLine[i++] = columns;
+          refLine[i] = columns;
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          refPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = this._getTwoDimCode();
+
+            switch (code1) {
+              case twoDimPass:
+                this._addPixels(refLine[refPos + 1], blackPixels);
+
+                if (refLine[refPos + 1] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimHoriz:
+                code1 = code2 = 0;
+
+                if (blackPixels) {
+                  do {
+                    code1 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+                } else {
+                  do {
+                    code1 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+                }
+
+                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+                if (codingLine[this.codingPos] < columns) {
+                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
+                }
+
+                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimVertR3:
+                this._addPixels(refLine[refPos] + 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR2:
+                this._addPixels(refLine[refPos] + 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR1:
+                this._addPixels(refLine[refPos] + 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVert0:
+                this._addPixels(refLine[refPos], blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL3:
+                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL2:
+                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL1:
+                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case ccittEOF:
+                this._addPixels(columns, 0);
+
+                this.eof = true;
+                break;
+
+              default:
+                (0, _util.info)("bad 2d code");
+
+                this._addPixels(columns, 0);
+
+                this.err = true;
+            }
+          }
+        } else {
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = 0;
+
+            if (blackPixels) {
+              do {
+                code1 += code3 = this._getBlackCode();
+              } while (code3 >= 64);
+            } else {
+              do {
+                code1 += code3 = this._getWhiteCode();
+              } while (code3 >= 64);
+            }
+
+            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+            blackPixels ^= 1;
+          }
+        }
+
+        var gotEOL = false;
+
+        if (this.byteAlign) {
+          this.inputBits &= ~7;
+        }
+
+        if (!this.eoblock && this.row === this.rows - 1) {
+          this.rowsDone = true;
+        } else {
+          code1 = this._lookBits(12);
+
+          if (this.eoline) {
+            while (code1 !== ccittEOF && code1 !== 1) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          } else {
+            while (code1 === 0) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          }
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            gotEOL = true;
+          } else if (code1 === ccittEOF) {
+            this.eof = true;
+          }
+        }
+
+        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
+          this.nextLine2D = !this._lookBits(1);
+
+          this._eatBits(1);
+        }
+
+        if (this.eoblock && gotEOL && this.byteAlign) {
+          code1 = this._lookBits(12);
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            if (this.encoding > 0) {
+              this._lookBits(1);
+
+              this._eatBits(1);
+            }
+
+            if (this.encoding >= 0) {
+              for (i = 0; i < 4; ++i) {
+                code1 = this._lookBits(12);
+
+                if (code1 !== 1) {
+                  (0, _util.info)("bad rtc code: " + code1);
+                }
+
+                this._eatBits(12);
+
+                if (this.encoding > 0) {
+                  this._lookBits(1);
+
+                  this._eatBits(1);
+                }
+              }
+            }
+
+            this.eof = true;
+          }
+        } else if (this.err && this.eoline) {
+          while (true) {
+            code1 = this._lookBits(13);
+
+            if (code1 === ccittEOF) {
+              this.eof = true;
+              return -1;
+            }
+
+            if (code1 >> 1 === 1) {
+              break;
+            }
+
+            this._eatBits(1);
+          }
+
+          this._eatBits(12);
+
+          if (this.encoding > 0) {
+            this._eatBits(1);
+
+            this.nextLine2D = !(code1 & 1);
+          }
+        }
+
+        if (codingLine[0] > 0) {
+          this.outputBits = codingLine[this.codingPos = 0];
+        } else {
+          this.outputBits = codingLine[this.codingPos = 1];
+        }
+
+        this.row++;
+      }
+
+      var c;
+
+      if (this.outputBits >= 8) {
+        c = this.codingPos & 1 ? 0 : 0xff;
+        this.outputBits -= 8;
+
+        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
+          this.codingPos++;
+          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+        }
+      } else {
+        bits = 8;
+        c = 0;
+
+        do {
+          if (this.outputBits > bits) {
+            c <<= bits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - bits;
+            }
+
+            this.outputBits -= bits;
+            bits = 0;
+          } else {
+            c <<= this.outputBits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - this.outputBits;
+            }
+
+            bits -= this.outputBits;
+            this.outputBits = 0;
+
+            if (codingLine[this.codingPos] < columns) {
+              this.codingPos++;
+              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+            } else if (bits > 0) {
+              c <<= bits;
+              bits = 0;
+            }
+          }
+        } while (bits);
+      }
+
+      if (this.black) {
+        c ^= 0xff;
+      }
+
+      return c;
+    },
+    _addPixels: function _addPixels(a1, blackPixels) {
+      var codingLine = this.codingLine;
+      var codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+    _addPixelsNeg: function _addPixelsNeg(a1, blackPixels) {
+      var codingLine = this.codingLine;
+      var codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      } else if (a1 < codingLine[codingPos]) {
+        if (a1 < 0) {
+          (0, _util.info)("invalid code");
+          this.err = true;
+          a1 = 0;
+        }
+
+        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
+          --codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+    _findTableCode: function _findTableCode(start, end, table, limit) {
+      var limitValue = limit || 0;
+
+      for (var i = start; i <= end; ++i) {
+        var code = this._lookBits(i);
+
+        if (code === ccittEOF) {
+          return [true, 1, false];
+        }
+
+        if (i < end) {
+          code <<= end - i;
+        }
+
+        if (!limitValue || code >= limitValue) {
+          var p = table[code - limitValue];
+
+          if (p[0] === i) {
+            this._eatBits(i);
+
+            return [true, p[1], true];
+          }
+        }
+      }
+
+      return [false, 0, false];
+    },
+    _getTwoDimCode: function _getTwoDimCode() {
+      var code = 0;
+      var p;
+
+      if (this.eoblock) {
+        code = this._lookBits(7);
+        p = twoDimTable[code];
+
+        if (p && p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(1, 7, twoDimTable);
+
+        if (result[0] && result[2]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("Bad two dim code");
+      return ccittEOF;
+    },
+    _getWhiteCode: function _getWhiteCode() {
+      var code = 0;
+      var p;
+
+      if (this.eoblock) {
+        code = this._lookBits(12);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 5 === 0) {
+          p = whiteTable1[code];
+        } else {
+          p = whiteTable2[code >> 3];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(1, 9, whiteTable2);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(11, 12, whiteTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad white code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+    _getBlackCode: function _getBlackCode() {
+      var code, p;
+
+      if (this.eoblock) {
+        code = this._lookBits(13);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 7 === 0) {
+          p = blackTable1[code];
+        } else if (code >> 9 === 0 && code >> 7 !== 0) {
+          p = blackTable2[(code >> 1) - 64];
+        } else {
+          p = blackTable3[code >> 7];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(2, 6, blackTable3);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(7, 12, blackTable2, 64);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(10, 13, blackTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad black code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+    _lookBits: function _lookBits(n) {
+      var c;
+
+      while (this.inputBits < n) {
+        if ((c = this.source.next()) === -1) {
+          if (this.inputBits === 0) {
+            return ccittEOF;
+          }
+
+          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
+        }
+
+        this.inputBuf = this.inputBuf << 8 | c;
+        this.inputBits += 8;
+      }
+
+      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
+    },
+    _eatBits: function _eatBits(n) {
+      if ((this.inputBits -= n) < 0) {
+        this.inputBits = 0;
+      }
+    }
+  };
+  return CCITTFaxDecoder;
+}();
+
+exports.CCITTFaxDecoder = CCITTFaxDecoder;
+
+/***/ }),
+/* 212 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Stream = void 0;
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _jbig = __w_pdfjs_require__(213);
+
+var _util = __w_pdfjs_require__(5);
+
+var Jbig2Stream = function Jbig2StreamClosure() {
+  function Jbig2Stream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  Jbig2Stream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(Jbig2Stream.prototype, "bytes", {
+    get: function get() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  Jbig2Stream.prototype.ensureBuffer = function (requested) {};
+
+  Jbig2Stream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    var jbig2Image = new _jbig.Jbig2Image();
+    var chunks = [];
+
+    if ((0, _primitives.isDict)(this.params)) {
+      var globalsStream = this.params.get("JBIG2Globals");
+
+      if ((0, _primitives.isStream)(globalsStream)) {
+        var globals = globalsStream.getBytes();
+        chunks.push({
+          data: globals,
+          start: 0,
+          end: globals.length
+        });
+      }
+    }
+
+    chunks.push({
+      data: this.bytes,
+      start: 0,
+      end: this.bytes.length
+    });
+    var data = jbig2Image.parseChunks(chunks);
+    var dataLength = data.length;
+
+    for (var i = 0; i < dataLength; i++) {
+      data[i] ^= 0xff;
+    }
+
+    this.buffer = data;
+    this.bufferLength = dataLength;
+    this.eof = true;
+  };
+
+  return Jbig2Stream;
+}();
+
+exports.Jbig2Stream = Jbig2Stream;
+
+/***/ }),
+/* 213 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Image = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _arithmetic_decoder = __w_pdfjs_require__(214);
+
+var _ccitt = __w_pdfjs_require__(211);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var Jbig2Error = /*#__PURE__*/function (_BaseException) {
+  _inherits(Jbig2Error, _BaseException);
+
+  var _super = _createSuper(Jbig2Error);
+
+  function Jbig2Error(msg) {
+    _classCallCheck(this, Jbig2Error);
+
+    return _super.call(this, "JBIG2 error: ".concat(msg));
+  }
+
+  return Jbig2Error;
+}(_util.BaseException);
+
+var Jbig2Image = function Jbig2ImageClosure() {
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts: function getContexts(id) {
+      if (id in this) {
+        return this[id];
+      }
+
+      return this[id] = new Int8Array(1 << 16);
+    }
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
+      return (0, _util.shadow)(this, "decoder", decoder);
+    },
+
+    get contextCache() {
+      var cache = new ContextCache();
+      return (0, _util.shadow)(this, "contextCache", cache);
+    }
+
+  };
+
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+    var prev = 1;
+
+    function readBits(length) {
+      var v = 0;
+
+      for (var i = 0; i < length; i++) {
+        var bit = decoder.readBit(contexts, prev);
+        prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
+        v = v << 1 | bit;
+      }
+
+      return v >>> 0;
+    }
+
+    var sign = readBits(1);
+    var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
+
+    if (sign === 0) {
+      return value;
+    } else if (value > 0) {
+      return -value;
+    }
+
+    return null;
+  }
+
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts("IAID");
+    var prev = 1;
+
+    for (var i = 0; i < codeLength; i++) {
+      var bit = decoder.readBit(contexts, prev);
+      prev = prev << 1 | bit;
+    }
+
+    if (codeLength < 31) {
+      return prev & (1 << codeLength) - 1;
+    }
+
+    return prev & 0x7fffffff;
+  }
+
+  var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+  var CodingTemplates = [[{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: 2,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -3,
+    y: -1
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }]];
+  var RefinementTemplates = [{
+    coding: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: -1,
+      y: 1
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }, {
+    coding: [{
+      x: -1,
+      y: -1
+    }, {
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }];
+  var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
+  var RefinementReusedContexts = [0x0020, 0x0008];
+
+  function decodeBitmapTemplate0(width, height, decodingContext) {
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var contextLabel,
+        i,
+        j,
+        pixel,
+        row,
+        row1,
+        row2,
+        bitmap = [];
+    var OLD_PIXEL_MASK = 0x7bf7;
+
+    for (i = 0; i < height; i++) {
+      row = bitmap[i] = new Uint8Array(width);
+      row1 = i < 1 ? row : bitmap[i - 1];
+      row2 = i < 2 ? row : bitmap[i - 2];
+      contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
+
+      for (j = 0; j < width; j++) {
+        row[j] = pixel = decoder.readBit(contexts, contextLabel);
+        contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
+    if (mmr) {
+      var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+      return decodeMMRBitmap(input, width, height, false);
+    }
+
+    if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
+      return decodeBitmapTemplate0(width, height, decodingContext);
+    }
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    template.sort(function (a, b) {
+      return a.y - b.y || a.x - b.x;
+    });
+    var templateLength = template.length;
+    var templateX = new Int8Array(templateLength);
+    var templateY = new Int8Array(templateLength);
+    var changingTemplateEntries = [];
+    var reuseMask = 0,
+        minX = 0,
+        maxX = 0,
+        minY = 0;
+    var c, k;
+
+    for (k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+      minX = Math.min(minX, template[k].x);
+      maxX = Math.max(maxX, template[k].x);
+      minY = Math.min(minY, template[k].y);
+
+      if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
+        reuseMask |= 1 << templateLength - 1 - k;
+      } else {
+        changingTemplateEntries.push(k);
+      }
+    }
+
+    var changingEntriesLength = changingTemplateEntries.length;
+    var changingTemplateX = new Int8Array(changingEntriesLength);
+    var changingTemplateY = new Int8Array(changingEntriesLength);
+    var changingTemplateBit = new Uint16Array(changingEntriesLength);
+
+    for (c = 0; c < changingEntriesLength; c++) {
+      k = changingTemplateEntries[c];
+      changingTemplateX[c] = template[k].x;
+      changingTemplateY[c] = template[k].y;
+      changingTemplateBit[c] = 1 << templateLength - 1 - k;
+    }
+
+    var sbb_left = -minX;
+    var sbb_top = -minY;
+    var sbb_right = width - maxX;
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var row = new Uint8Array(width);
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var ltp = 0,
+        j,
+        i0,
+        j0,
+        contextLabel = 0,
+        bit,
+        shift;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          bitmap.push(row);
+          continue;
+        }
+      }
+
+      row = new Uint8Array(row);
+      bitmap.push(row);
+
+      for (j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+
+        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
+          contextLabel = contextLabel << 1 & reuseMask;
+
+          for (k = 0; k < changingEntriesLength; k++) {
+            i0 = i + changingTemplateY[k];
+            j0 = j + changingTemplateX[k];
+            bit = bitmap[i0][j0];
+
+            if (bit) {
+              bit = changingTemplateBit[k];
+              contextLabel |= bit;
+            }
+          }
+        } else {
+          contextLabel = 0;
+          shift = templateLength - 1;
+
+          for (k = 0; k < templateLength; k++, shift--) {
+            j0 = j + templateX[k];
+
+            if (j0 >= 0 && j0 < width) {
+              i0 = i + templateY[k];
+
+              if (i0 >= 0) {
+                bit = bitmap[i0][j0];
+
+                if (bit) {
+                  contextLabel |= bit << shift;
+                }
+              }
+            }
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+
+    if (templateIndex === 0) {
+      codingTemplate = codingTemplate.concat([at[0]]);
+    }
+
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    var k;
+
+    for (k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+
+    if (templateIndex === 0) {
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    }
+
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+
+    for (k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GR");
+    var ltp = 0;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          throw new Jbig2Error("prediction is not supported");
+        }
+      }
+
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var j = 0; j < width; j++) {
+        var i0, j0;
+        var contextLabel = 0;
+
+        for (k = 0; k < codingTemplateLength; k++) {
+          i0 = i + codingTemplateY[k];
+          j0 = j + codingTemplateX[k];
+
+          if (i0 < 0 || j0 < 0 || j0 >= width) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | bitmap[i0][j0];
+          }
+        }
+
+        for (k = 0; k < referenceTemplateLength; k++) {
+          i0 = i + referenceTemplateY[k] - offsetY;
+          j0 = j + referenceTemplateX[k] - offsetX;
+
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("symbol refinement with Huffman is not supported");
+    }
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var tableB1, symbolWidths;
+
+    if (huffman) {
+      tableB1 = getStandardTable(1);
+      symbolWidths = [];
+      symbolCodeLength = Math.max(symbolCodeLength, 1);
+    }
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
+      currentHeight += deltaHeight;
+      var currentWidth = 0,
+          totalWidth = 0;
+      var firstSymbol = huffman ? symbolWidths.length : 0;
+
+      while (true) {
+        var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
+
+        if (deltaWidth === null) {
+          break;
+        }
+
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+
+        if (refinement) {
+          var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
+
+          if (numberOfInstances > 1) {
+            bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
+          } else {
+            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+            var rdx = decodeInteger(contextCache, "IARDX", decoder);
+            var rdy = decodeInteger(contextCache, "IARDY", decoder);
+            var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
+            bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
+          }
+
+          newSymbols.push(bitmap);
+        } else if (huffman) {
+          symbolWidths.push(currentWidth);
+        } else {
+          bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
+          newSymbols.push(bitmap);
+        }
+      }
+
+      if (huffman && !refinement) {
+        var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
+        huffmanInput.byteAlign();
+        var collectiveBitmap = void 0;
+
+        if (bitmapSize === 0) {
+          collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
+        } else {
+          var originalEnd = huffmanInput.end;
+          var bitmapEnd = huffmanInput.position + bitmapSize;
+          huffmanInput.end = bitmapEnd;
+          collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
+          huffmanInput.end = originalEnd;
+          huffmanInput.position = bitmapEnd;
+        }
+
+        var numberOfSymbolsDecoded = symbolWidths.length;
+
+        if (firstSymbol === numberOfSymbolsDecoded - 1) {
+          newSymbols.push(collectiveBitmap);
+        } else {
+          var _i = void 0,
+              y = void 0,
+              xMin = 0,
+              xMax = void 0,
+              bitmapWidth = void 0,
+              symbolBitmap = void 0;
+
+          for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) {
+            bitmapWidth = symbolWidths[_i];
+            xMax = xMin + bitmapWidth;
+            symbolBitmap = [];
+
+            for (y = 0; y < currentHeight; y++) {
+              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+            }
+
+            newSymbols.push(symbolBitmap);
+            xMin = xMax;
+          }
+        }
+      }
+    }
+
+    var exportedSymbols = [];
+    var flags = [],
+        currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+
+    while (flags.length < totalSymbolsLength) {
+      var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
+
+      while (runLength--) {
+        flags.push(currentFlag);
+      }
+
+      currentFlag = !currentFlag;
+    }
+
+    for (var i = 0, ii = symbols.length; i < ii; i++) {
+      if (flags[i]) {
+        exportedSymbols.push(symbols[i]);
+      }
+    }
+
+    for (var j = 0; j < numberOfNewSymbols; i++, j++) {
+      if (flags[i]) {
+        exportedSymbols.push(newSymbols[j]);
+      }
+    }
+
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    var bitmap = [];
+    var i, row;
+
+    for (i = 0; i < height; i++) {
+      row = new Uint8Array(width);
+
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
+    var firstS = 0;
+    i = 0;
+
+    while (i < numberOfSymbolInstances) {
+      var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
+      stripT += deltaT;
+      var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
+      firstS += deltaFirstS;
+      var currentS = firstS;
+
+      do {
+        var currentT = 0;
+
+        if (stripSize > 1) {
+          currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
+        }
+
+        var t = stripSize * stripT + currentT;
+        var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, "IARDW", decoder);
+          var rdh = decodeInteger(contextCache, "IARDH", decoder);
+          var rdx = decodeInteger(contextCache, "IARDX", decoder);
+          var rdy = decodeInteger(contextCache, "IARDY", decoder);
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
+        }
+
+        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
+        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
+        var s2, t2, symbolRow;
+
+        if (transposed) {
+          for (s2 = 0; s2 < symbolHeight; s2++) {
+            row = bitmap[offsetS + s2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[s2];
+            var maxWidth = Math.min(width - offsetT, symbolWidth);
+
+            switch (combinationOperator) {
+              case 0:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] |= symbolRow[t2];
+                }
+
+                break;
+
+              case 2:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] ^= symbolRow[t2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+            }
+          }
+
+          currentS += symbolHeight - 1;
+        } else {
+          for (t2 = 0; t2 < symbolHeight; t2++) {
+            row = bitmap[offsetT + t2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[t2];
+
+            switch (combinationOperator) {
+              case 0:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] |= symbolRow[s2];
+                }
+
+                break;
+
+              case 2:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] ^= symbolRow[s2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+            }
+          }
+
+          currentS += symbolWidth - 1;
+        }
+
+        i++;
+        var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
+
+        if (deltaS === null) {
+          break;
+        }
+
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+
+    return bitmap;
+  }
+
+  function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
+    var at = [];
+
+    if (!mmr) {
+      at.push({
+        x: -patternWidth,
+        y: 0
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    var collectiveWidth = (maxPatternIndex + 1) * patternWidth;
+    var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
+    var patterns = [];
+
+    for (var i = 0; i <= maxPatternIndex; i++) {
+      var patternBitmap = [];
+      var xMin = patternWidth * i;
+      var xMax = xMin + patternWidth;
+
+      for (var y = 0; y < patternHeight; y++) {
+        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+      }
+
+      patterns.push(patternBitmap);
+    }
+
+    return patterns;
+  }
+
+  function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
+    var skip = null;
+
+    if (enableSkip) {
+      throw new Jbig2Error("skip is not supported");
+    }
+
+    if (combinationOperator !== 0) {
+      throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
+    }
+
+    var regionBitmap = [];
+    var i, j, row;
+
+    for (i = 0; i < regionHeight; i++) {
+      row = new Uint8Array(regionWidth);
+
+      if (defaultPixelValue) {
+        for (j = 0; j < regionWidth; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      regionBitmap.push(row);
+    }
+
+    var numberOfPatterns = patterns.length;
+    var pattern0 = patterns[0];
+    var patternWidth = pattern0[0].length,
+        patternHeight = pattern0.length;
+    var bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
+    var at = [];
+
+    if (!mmr) {
+      at.push({
+        x: template <= 1 ? 3 : 2,
+        y: -1
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    var grayScaleBitPlanes = [];
+    var mmrInput, bitmap;
+
+    if (mmr) {
+      mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+    }
+
+    for (i = bitsPerValue - 1; i >= 0; i--) {
+      if (mmr) {
+        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
+      } else {
+        bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
+      }
+
+      grayScaleBitPlanes[i] = bitmap;
+    }
+
+    var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
+
+    for (mg = 0; mg < gridHeight; mg++) {
+      for (ng = 0; ng < gridWidth; ng++) {
+        bit = 0;
+        patternIndex = 0;
+
+        for (j = bitsPerValue - 1; j >= 0; j--) {
+          bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
+          patternIndex |= bit << j;
+        }
+
+        patternBitmap = patterns[patternIndex];
+        x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
+        y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
+
+        if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
+          for (i = 0; i < patternHeight; i++) {
+            regionRow = regionBitmap[y + i];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionRow[x + j] |= patternRow[j];
+            }
+          }
+        } else {
+          var regionX = void 0,
+              regionY = void 0;
+
+          for (i = 0; i < patternHeight; i++) {
+            regionY = y + i;
+
+            if (regionY < 0 || regionY >= regionHeight) {
+              continue;
+            }
+
+            regionRow = regionBitmap[regionY];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionX = x + j;
+
+              if (regionX >= 0 && regionX < regionWidth) {
+                regionRow[regionX] |= patternRow[j];
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return regionBitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = (0, _core_utils.readUint32)(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3f;
+
+    if (!SegmentTypes[segmentType]) {
+      throw new Jbig2Error("invalid segment type: " + segmentType);
+    }
+
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = referredFlags >> 5 & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+
+    if (referredFlags === 7) {
+      referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
+      position += 3;
+      var bytes = referredToCount + 7 >> 3;
+      retainBits[0] = data[position++];
+
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags === 5 || referredFlags === 6) {
+      throw new Jbig2Error("invalid referred-to flags");
+    }
+
+    segmentHeader.retainBits = retainBits;
+    var referredToSegmentNumberSize = 4;
+
+    if (segmentHeader.number <= 256) {
+      referredToSegmentNumberSize = 1;
+    } else if (segmentHeader.number <= 65536) {
+      referredToSegmentNumberSize = 2;
+    }
+
+    var referredTo = [];
+    var i, ii;
+
+    for (i = 0; i < referredToCount; i++) {
+      var number = void 0;
+
+      if (referredToSegmentNumberSize === 1) {
+        number = data[position];
+      } else if (referredToSegmentNumberSize === 2) {
+        number = (0, _core_utils.readUint16)(data, position);
+      } else {
+        number = (0, _core_utils.readUint32)(data, position);
+      }
+
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+
+    segmentHeader.referredTo = referredTo;
+
+    if (!pageAssociationFieldSize) {
+      segmentHeader.pageAssociation = data[position++];
+    } else {
+      segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    segmentHeader.length = (0, _core_utils.readUint32)(data, position);
+    position += 4;
+
+    if (segmentHeader.length === 0xffffffff) {
+      if (segmentType === 38) {
+        var genericRegionInfo = readRegionSegmentInformation(data, position);
+        var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
+        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
+        var searchPatternLength = 6;
+        var searchPattern = new Uint8Array(searchPatternLength);
+
+        if (!genericRegionMmr) {
+          searchPattern[0] = 0xff;
+          searchPattern[1] = 0xac;
+        }
+
+        searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
+        searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
+        searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
+        searchPattern[5] = genericRegionInfo.height & 0xff;
+
+        for (i = position, ii = data.length; i < ii; i++) {
+          var j = 0;
+
+          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
+            j++;
+          }
+
+          if (j === searchPatternLength) {
+            segmentHeader.length = i + searchPatternLength;
+            break;
+          }
+        }
+
+        if (segmentHeader.length === 0xffffffff) {
+          throw new Jbig2Error("segment end was not found");
+        }
+      } else {
+        throw new Jbig2Error("invalid unknown segment length");
+      }
+    }
+
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data: data
+      };
+
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+
+      segments.push(segment);
+
+      if (segmentHeader.type === 51) {
+        break;
+      }
+    }
+
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+
+    return segments;
+  }
+
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: (0, _core_utils.readUint32)(data, start),
+      height: (0, _core_utils.readUint32)(data, start + 4),
+      x: (0, _core_utils.readUint32)(data, start + 8),
+      y: (0, _core_utils.readUint32)(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+    var data = segment.data,
+        position = segment.start,
+        end = segment.end;
+    var args, at, i, atLength;
+
+    switch (header.type) {
+      case 0:
+        var dictionary = {};
+        var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+        dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+        dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+        dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = dictionaryFlags >> 10 & 3;
+        dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+        position += 2;
+
+        if (!dictionary.huffman) {
+          atLength = dictionary.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.at = at;
+        }
+
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.refinementAt = at;
+        }
+
+        dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo, data, position, end];
+        break;
+
+      case 6:
+      case 7:
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
+        textRegion.stripSize = 1 << textRegion.logStripSize;
+        textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+        textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+        textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+        textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+          textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+          textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+          textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+          textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+          textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+          textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+          textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
+        }
+
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          textRegion.refinementAt = at;
+        }
+
+        textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+
+      case 16:
+        var patternDictionary = {};
+        var patternDictionaryFlags = data[position++];
+        patternDictionary.mmr = !!(patternDictionaryFlags & 1);
+        patternDictionary.template = patternDictionaryFlags >> 1 & 3;
+        patternDictionary.patternWidth = data[position++];
+        patternDictionary.patternHeight = data[position++];
+        patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [patternDictionary, header.number, data, position, end];
+        break;
+
+      case 22:
+      case 23:
+        var halftoneRegion = {};
+        halftoneRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var halftoneRegionFlags = data[position++];
+        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
+        halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
+        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
+        halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
+        halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
+        halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        args = [halftoneRegion, header.referredTo, data, position, end];
+        break;
+
+      case 38:
+      case 39:
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+
+        if (!genericRegion.mmr) {
+          atLength = genericRegion.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          genericRegion.at = at;
+        }
+
+        args = [genericRegion, data, position, end];
+        break;
+
+      case 48:
+        var pageInfo = {
+          width: (0, _core_utils.readUint32)(data, position),
+          height: (0, _core_utils.readUint32)(data, position + 4),
+          resolutionX: (0, _core_utils.readUint32)(data, position + 8),
+          resolutionY: (0, _core_utils.readUint32)(data, position + 12)
+        };
+
+        if (pageInfo.height === 0xffffffff) {
+          delete pageInfo.height;
+        }
+
+        var pageSegmentFlags = data[position + 16];
+        (0, _core_utils.readUint16)(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+        pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+
+      case 49:
+        break;
+
+      case 50:
+        break;
+
+      case 51:
+        break;
+
+      case 53:
+        args = [header.number, data, position, end];
+        break;
+
+      case 62:
+        break;
+
+      default:
+        throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(header.type, ")") + " is not implemented");
+    }
+
+    var callbackName = "on" + header.typeName;
+
+    if (callbackName in visitor) {
+      visitor[callbackName].apply(visitor, args);
+    }
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++) {
+      processSegment(segments[i], visitor);
+    }
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+
+    return visitor.buffer;
+  }
+
+  function parseJbig2(data) {
+    var end = data.length;
+    var position = 0;
+
+    if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
+      throw new Jbig2Error("parseJbig2 - invalid header.");
+    }
+
+    var header = Object.create(null);
+    position += 8;
+    var flags = data[position++];
+    header.randomAccess = !(flags & 1);
+
+    if (!(flags & 2)) {
+      header.numberOfPages = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    var segments = readSegments(header, data, position, end);
+    var visitor = new SimpleSegmentVisitor();
+    processSegments(segments, visitor);
+    var _visitor$currentPageI = visitor.currentPageInfo,
+        width = _visitor$currentPageI.width,
+        height = _visitor$currentPageI.height;
+    var bitPacked = visitor.buffer;
+    var imgData = new Uint8ClampedArray(width * height);
+    var q = 0,
+        k = 0;
+
+    for (var i = 0; i < height; i++) {
+      var mask = 0,
+          buffer = void 0;
+
+      for (var j = 0; j < width; j++) {
+        if (!mask) {
+          mask = 128;
+          buffer = bitPacked[k++];
+        }
+
+        imgData[q++] = buffer & mask ? 0 : 255;
+        mask >>= 1;
+      }
+    }
+
+    return {
+      imgData: imgData,
+      width: width,
+      height: height
+    };
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = info.width + 7 >> 3;
+      var buffer = new Uint8ClampedArray(rowSize * info.height);
+
+      if (info.defaultPixelValue) {
+        for (var i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = 0xff;
+        }
+      }
+
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width,
+          height = regionInfo.height;
+      var rowSize = pageInfo.width + 7 >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      var mask0 = 128 >> (regionInfo.x & 7);
+      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
+      var i, j, mask, offset;
+
+      switch (combinationOperator) {
+        case 0:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] |= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        case 2:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] ^= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        default:
+          throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+      }
+    },
+    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
+      var huffmanTables, huffmanInput;
+
+      if (dictionary.huffman) {
+        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
+        huffmanInput = new Reader(data, start, end);
+      }
+
+      var symbols = this.symbols;
+
+      if (!symbols) {
+        this.symbols = symbols = {};
+      }
+
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        var referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
+    },
+    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
+      var regionInfo = region.info;
+      var huffmanTables, huffmanInput;
+      var symbols = this.symbols;
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        var referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
+
+      if (region.huffman) {
+        huffmanInput = new Reader(data, start, end);
+        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+      this.onImmediateTextRegion.apply(this, arguments);
+    },
+    onPatternDictionary: function onPatternDictionary(dictionary, currentSegment, data, start, end) {
+      var patterns = this.patterns;
+
+      if (!patterns) {
+        this.patterns = patterns = {};
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
+    },
+    onImmediateHalftoneRegion: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
+      var patterns = this.patterns[referredSegments[0]];
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessHalftoneRegion: function onImmediateLosslessHalftoneRegion() {
+      this.onImmediateHalftoneRegion.apply(this, arguments);
+    },
+    onTables: function onTables(currentSegment, data, start, end) {
+      var customTables = this.customTables;
+
+      if (!customTables) {
+        this.customTables = customTables = {};
+      }
+
+      customTables[currentSegment] = decodeTablesSegment(data, start, end);
+    }
+  };
+
+  function HuffmanLine(lineData) {
+    if (lineData.length === 2) {
+      this.isOOB = true;
+      this.rangeLow = 0;
+      this.prefixLength = lineData[0];
+      this.rangeLength = 0;
+      this.prefixCode = lineData[1];
+      this.isLowerRange = false;
+    } else {
+      this.isOOB = false;
+      this.rangeLow = lineData[0];
+      this.prefixLength = lineData[1];
+      this.rangeLength = lineData[2];
+      this.prefixCode = lineData[3];
+      this.isLowerRange = lineData[4] === "lower";
+    }
+  }
+
+  function HuffmanTreeNode(line) {
+    this.children = [];
+
+    if (line) {
+      this.isLeaf = true;
+      this.rangeLength = line.rangeLength;
+      this.rangeLow = line.rangeLow;
+      this.isLowerRange = line.isLowerRange;
+      this.isOOB = line.isOOB;
+    } else {
+      this.isLeaf = false;
+    }
+  }
+
+  HuffmanTreeNode.prototype = {
+    buildTree: function buildTree(line, shift) {
+      var bit = line.prefixCode >> shift & 1;
+
+      if (shift <= 0) {
+        this.children[bit] = new HuffmanTreeNode(line);
+      } else {
+        var node = this.children[bit];
+
+        if (!node) {
+          this.children[bit] = node = new HuffmanTreeNode(null);
+        }
+
+        node.buildTree(line, shift - 1);
+      }
+    },
+    decodeNode: function decodeNode(reader) {
+      if (this.isLeaf) {
+        if (this.isOOB) {
+          return null;
+        }
+
+        var htOffset = reader.readBits(this.rangeLength);
+        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
+      }
+
+      var node = this.children[reader.readBit()];
+
+      if (!node) {
+        throw new Jbig2Error("invalid Huffman data");
+      }
+
+      return node.decodeNode(reader);
+    }
+  };
+
+  function HuffmanTable(lines, prefixCodesDone) {
+    if (!prefixCodesDone) {
+      this.assignPrefixCodes(lines);
+    }
+
+    this.rootNode = new HuffmanTreeNode(null);
+
+    for (var i = 0, ii = lines.length; i < ii; i++) {
+      var line = lines[i];
+
+      if (line.prefixLength > 0) {
+        this.rootNode.buildTree(line, line.prefixLength - 1);
+      }
+    }
+  }
+
+  HuffmanTable.prototype = {
+    decode: function decode(reader) {
+      return this.rootNode.decodeNode(reader);
+    },
+    assignPrefixCodes: function assignPrefixCodes(lines) {
+      var linesLength = lines.length;
+      var prefixLengthMax = 0;
+
+      for (var i = 0; i < linesLength; i++) {
+        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
+      }
+
+      var histogram = new Uint32Array(prefixLengthMax + 1);
+
+      for (var _i2 = 0; _i2 < linesLength; _i2++) {
+        histogram[lines[_i2].prefixLength]++;
+      }
+
+      var currentLength = 1,
+          firstCode = 0,
+          currentCode,
+          currentTemp,
+          line;
+      histogram[0] = 0;
+
+      while (currentLength <= prefixLengthMax) {
+        firstCode = firstCode + histogram[currentLength - 1] << 1;
+        currentCode = firstCode;
+        currentTemp = 0;
+
+        while (currentTemp < linesLength) {
+          line = lines[currentTemp];
+
+          if (line.prefixLength === currentLength) {
+            line.prefixCode = currentCode;
+            currentCode++;
+          }
+
+          currentTemp++;
+        }
+
+        currentLength++;
+      }
+    }
+  };
+
+  function decodeTablesSegment(data, start, end) {
+    var flags = data[start];
+    var lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
+    var highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
+    var reader = new Reader(data, start + 9, end);
+    var prefixSizeBits = (flags >> 1 & 7) + 1;
+    var rangeSizeBits = (flags >> 4 & 7) + 1;
+    var lines = [];
+    var prefixLength,
+        rangeLength,
+        currentRangeLow = lowestValue;
+
+    do {
+      prefixLength = reader.readBits(prefixSizeBits);
+      rangeLength = reader.readBits(rangeSizeBits);
+      lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
+      currentRangeLow += 1 << rangeLength;
+    } while (currentRangeLow < highestValue);
+
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
+
+    if (flags & 1) {
+      prefixLength = reader.readBits(prefixSizeBits);
+      lines.push(new HuffmanLine([prefixLength, 0]));
+    }
+
+    return new HuffmanTable(lines, false);
+  }
+
+  var standardTablesCache = {};
+
+  function getStandardTable(number) {
+    var table = standardTablesCache[number];
+
+    if (table) {
+      return table;
+    }
+
+    var lines;
+
+    switch (number) {
+      case 1:
+        lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
+        break;
+
+      case 2:
+        lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
+        break;
+
+      case 3:
+        lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
+        break;
+
+      case 4:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
+        break;
+
+      case 5:
+        lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
+        break;
+
+      case 6:
+        lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
+        break;
+
+      case 7:
+        lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
+        break;
+
+      case 8:
+        lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
+        break;
+
+      case 9:
+        lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
+        break;
+
+      case 10:
+        lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
+        break;
+
+      case 11:
+        lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 12:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
+        break;
+
+      case 13:
+        lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 14:
+        lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
+        break;
+
+      case 15:
+        lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
+        break;
+
+      default:
+        throw new Jbig2Error("standard table B.".concat(number, " does not exist"));
+    }
+
+    for (var i = 0, ii = lines.length; i < ii; i++) {
+      lines[i] = new HuffmanLine(lines[i]);
+    }
+
+    table = new HuffmanTable(lines, true);
+    standardTablesCache[number] = table;
+    return table;
+  }
+
+  function Reader(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+    this.position = start;
+    this.shift = -1;
+    this.currentByte = 0;
+  }
+
+  Reader.prototype = {
+    readBit: function readBit() {
+      if (this.shift < 0) {
+        if (this.position >= this.end) {
+          throw new Jbig2Error("end of data while reading bit");
+        }
+
+        this.currentByte = this.data[this.position++];
+        this.shift = 7;
+      }
+
+      var bit = this.currentByte >> this.shift & 1;
+      this.shift--;
+      return bit;
+    },
+    readBits: function readBits(numBits) {
+      var result = 0,
+          i;
+
+      for (i = numBits - 1; i >= 0; i--) {
+        result |= this.readBit() << i;
+      }
+
+      return result;
+    },
+    byteAlign: function byteAlign() {
+      this.shift = -1;
+    },
+    next: function next() {
+      if (this.position >= this.end) {
+        return -1;
+      }
+
+      return this.data[this.position++];
+    }
+  };
+
+  function getCustomHuffmanTable(index, referredTo, customTables) {
+    var currentIndex = 0;
+
+    for (var i = 0, ii = referredTo.length; i < ii; i++) {
+      var table = customTables[referredTo[i]];
+
+      if (table) {
+        if (index === currentIndex) {
+          return table;
+        }
+
+        currentIndex++;
+      }
+    }
+
+    throw new Jbig2Error("can't find custom Huffman table");
+  }
+
+  function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
+    var codes = [];
+
+    for (var i = 0; i <= 34; i++) {
+      var codeLength = reader.readBits(4);
+      codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+    }
+
+    var runCodesTable = new HuffmanTable(codes, false);
+    codes.length = 0;
+
+    for (var _i3 = 0; _i3 < numberOfSymbols;) {
+      var _codeLength = runCodesTable.decode(reader);
+
+      if (_codeLength >= 32) {
+        var repeatedLength = void 0,
+            numberOfRepeats = void 0,
+            j = void 0;
+
+        switch (_codeLength) {
+          case 32:
+            if (_i3 === 0) {
+              throw new Jbig2Error("no previous value in symbol ID table");
+            }
+
+            numberOfRepeats = reader.readBits(2) + 3;
+            repeatedLength = codes[_i3 - 1].prefixLength;
+            break;
+
+          case 33:
+            numberOfRepeats = reader.readBits(3) + 3;
+            repeatedLength = 0;
+            break;
+
+          case 34:
+            numberOfRepeats = reader.readBits(7) + 11;
+            repeatedLength = 0;
+            break;
+
+          default:
+            throw new Jbig2Error("invalid code length in symbol ID table");
+        }
+
+        for (j = 0; j < numberOfRepeats; j++) {
+          codes.push(new HuffmanLine([_i3, repeatedLength, 0, 0]));
+          _i3++;
+        }
+      } else {
+        codes.push(new HuffmanLine([_i3, _codeLength, 0, 0]));
+        _i3++;
+      }
+    }
+
+    reader.byteAlign();
+    var symbolIDTable = new HuffmanTable(codes, false);
+    var customIndex = 0,
+        tableFirstS,
+        tableDeltaS,
+        tableDeltaT;
+
+    switch (textRegion.huffmanFS) {
+      case 0:
+      case 1:
+        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
+        break;
+
+      case 3:
+        tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman FS selector");
+    }
+
+    switch (textRegion.huffmanDS) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
+        break;
+
+      case 3:
+        tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DS selector");
+    }
+
+    switch (textRegion.huffmanDT) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
+        break;
+
+      case 3:
+        tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DT selector");
+    }
+
+    if (textRegion.refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    return {
+      symbolIDTable: symbolIDTable,
+      tableFirstS: tableFirstS,
+      tableDeltaS: tableDeltaS,
+      tableDeltaT: tableDeltaT
+    };
+  }
+
+  function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
+    var customIndex = 0,
+        tableDeltaHeight,
+        tableDeltaWidth;
+
+    switch (dictionary.huffmanDHSelector) {
+      case 0:
+      case 1:
+        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
+        break;
+
+      case 3:
+        tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DH selector");
+    }
+
+    switch (dictionary.huffmanDWSelector) {
+      case 0:
+      case 1:
+        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
+        break;
+
+      case 3:
+        tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DW selector");
+    }
+
+    var tableBitmapSize, tableAggregateInstances;
+
+    if (dictionary.bitmapSizeSelector) {
+      tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
+      customIndex++;
+    } else {
+      tableBitmapSize = getStandardTable(1);
+    }
+
+    if (dictionary.aggregationInstancesSelector) {
+      tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
+    } else {
+      tableAggregateInstances = getStandardTable(1);
+    }
+
+    return {
+      tableDeltaHeight: tableDeltaHeight,
+      tableDeltaWidth: tableDeltaWidth,
+      tableBitmapSize: tableBitmapSize,
+      tableAggregateInstances: tableAggregateInstances
+    };
+  }
+
+  function readUncompressedBitmap(reader, width, height) {
+    var bitmap = [];
+
+    for (var y = 0; y < height; y++) {
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var x = 0; x < width; x++) {
+        row[x] = reader.readBit();
+      }
+
+      reader.byteAlign();
+    }
+
+    return bitmap;
+  }
+
+  function decodeMMRBitmap(input, width, height, endOfBlock) {
+    var params = {
+      K: -1,
+      Columns: width,
+      Rows: height,
+      BlackIs1: true,
+      EndOfBlock: endOfBlock
+    };
+    var decoder = new _ccitt.CCITTFaxDecoder(input, params);
+    var bitmap = [];
+    var currentByte,
+        eof = false;
+
+    for (var y = 0; y < height; y++) {
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+      var shift = -1;
+
+      for (var x = 0; x < width; x++) {
+        if (shift < 0) {
+          currentByte = decoder.readNextChar();
+
+          if (currentByte === -1) {
+            currentByte = 0;
+            eof = true;
+          }
+
+          shift = 7;
+        }
+
+        row[x] = currentByte >> shift & 1;
+        shift--;
+      }
+    }
+
+    if (endOfBlock && !eof) {
+      var lookForEOFLimit = 5;
+
+      for (var i = 0; i < lookForEOFLimit; i++) {
+        if (decoder.readNextChar() === -1) {
+          break;
+        }
+      }
+    }
+
+    return bitmap;
+  }
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks: function parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    },
+    parse: function parse(data) {
+      var _parseJbig = parseJbig2(data),
+          imgData = _parseJbig.imgData,
+          width = _parseJbig.width,
+          height = _parseJbig.height;
+
+      this.width = width;
+      this.height = height;
+      return imgData;
+    }
+  };
+  return Jbig2Image;
+}();
+
+exports.Jbig2Image = Jbig2Image;
+
+/***/ }),
+/* 214 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ArithmeticDecoder = void 0;
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var QeTable = [{
+  qe: 0x5601,
+  nmps: 1,
+  nlps: 1,
+  switchFlag: 1
+}, {
+  qe: 0x3401,
+  nmps: 2,
+  nlps: 6,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 3,
+  nlps: 9,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 4,
+  nlps: 12,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 5,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 38,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 7,
+  nlps: 6,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 8,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 9,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 10,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 11,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 12,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 13,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 29,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 15,
+  nlps: 14,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 16,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x5101,
+  nmps: 17,
+  nlps: 15,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 18,
+  nlps: 16,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 19,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x3401,
+  nmps: 20,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 21,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2801,
+  nmps: 22,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 23,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x2201,
+  nmps: 24,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 25,
+  nlps: 22,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 26,
+  nlps: 23,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 27,
+  nlps: 24,
+  switchFlag: 0
+}, {
+  qe: 0x1401,
+  nmps: 28,
+  nlps: 25,
+  switchFlag: 0
+}, {
+  qe: 0x1201,
+  nmps: 29,
+  nlps: 26,
+  switchFlag: 0
+}, {
+  qe: 0x1101,
+  nmps: 30,
+  nlps: 27,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 31,
+  nlps: 28,
+  switchFlag: 0
+}, {
+  qe: 0x09c1,
+  nmps: 32,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x08a1,
+  nmps: 33,
+  nlps: 30,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 34,
+  nlps: 31,
+  switchFlag: 0
+}, {
+  qe: 0x0441,
+  nmps: 35,
+  nlps: 32,
+  switchFlag: 0
+}, {
+  qe: 0x02a1,
+  nmps: 36,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 37,
+  nlps: 34,
+  switchFlag: 0
+}, {
+  qe: 0x0141,
+  nmps: 38,
+  nlps: 35,
+  switchFlag: 0
+}, {
+  qe: 0x0111,
+  nmps: 39,
+  nlps: 36,
+  switchFlag: 0
+}, {
+  qe: 0x0085,
+  nmps: 40,
+  nlps: 37,
+  switchFlag: 0
+}, {
+  qe: 0x0049,
+  nmps: 41,
+  nlps: 38,
+  switchFlag: 0
+}, {
+  qe: 0x0025,
+  nmps: 42,
+  nlps: 39,
+  switchFlag: 0
+}, {
+  qe: 0x0015,
+  nmps: 43,
+  nlps: 40,
+  switchFlag: 0
+}, {
+  qe: 0x0009,
+  nmps: 44,
+  nlps: 41,
+  switchFlag: 0
+}, {
+  qe: 0x0005,
+  nmps: 45,
+  nlps: 42,
+  switchFlag: 0
+}, {
+  qe: 0x0001,
+  nmps: 45,
+  nlps: 43,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 46,
+  nlps: 46,
+  switchFlag: 0
+}];
+
+var ArithmeticDecoder = /*#__PURE__*/function () {
+  function ArithmeticDecoder(data, start, end) {
+    _classCallCheck(this, ArithmeticDecoder);
+
+    this.data = data;
+    this.bp = start;
+    this.dataEnd = end;
+    this.chigh = data[start];
+    this.clow = 0;
+    this.byteIn();
+    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
+    this.clow = this.clow << 7 & 0xffff;
+    this.ct -= 7;
+    this.a = 0x8000;
+  }
+
+  _createClass(ArithmeticDecoder, [{
+    key: "byteIn",
+    value: function byteIn() {
+      var data = this.data;
+      var bp = this.bp;
+
+      if (data[bp] === 0xff) {
+        if (data[bp + 1] > 0x8f) {
+          this.clow += 0xff00;
+          this.ct = 8;
+        } else {
+          bp++;
+          this.clow += data[bp] << 9;
+          this.ct = 7;
+          this.bp = bp;
+        }
+      } else {
+        bp++;
+        this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
+        this.ct = 8;
+        this.bp = bp;
+      }
+
+      if (this.clow > 0xffff) {
+        this.chigh += this.clow >> 16;
+        this.clow &= 0xffff;
+      }
+    }
+  }, {
+    key: "readBit",
+    value: function readBit(contexts, pos) {
+      var cx_index = contexts[pos] >> 1,
+          cx_mps = contexts[pos] & 1;
+      var qeTableIcx = QeTable[cx_index];
+      var qeIcx = qeTableIcx.qe;
+      var d;
+      var a = this.a - qeIcx;
+
+      if (this.chigh < qeIcx) {
+        if (a < qeIcx) {
+          a = qeIcx;
+          d = cx_mps;
+          cx_index = qeTableIcx.nmps;
+        } else {
+          a = qeIcx;
+          d = 1 ^ cx_mps;
+
+          if (qeTableIcx.switchFlag === 1) {
+            cx_mps = d;
+          }
+
+          cx_index = qeTableIcx.nlps;
+        }
+      } else {
+        this.chigh -= qeIcx;
+
+        if ((a & 0x8000) !== 0) {
+          this.a = a;
+          return cx_mps;
+        }
+
+        if (a < qeIcx) {
+          d = 1 ^ cx_mps;
+
+          if (qeTableIcx.switchFlag === 1) {
+            cx_mps = d;
+          }
+
+          cx_index = qeTableIcx.nlps;
+        } else {
+          d = cx_mps;
+          cx_index = qeTableIcx.nmps;
+        }
+      }
+
+      do {
+        if (this.ct === 0) {
+          this.byteIn();
+        }
+
+        a <<= 1;
+        this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
+        this.clow = this.clow << 1 & 0xffff;
+        this.ct--;
+      } while ((a & 0x8000) === 0);
+
+      this.a = a;
+      contexts[pos] = cx_index << 1 | cx_mps;
+      return d;
+    }
+  }]);
+
+  return ArithmeticDecoder;
+}();
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
+
+/***/ }),
+/* 215 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegStream = void 0;
+
+var _stream = __w_pdfjs_require__(209);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _jpg = __w_pdfjs_require__(216);
+
+var _util = __w_pdfjs_require__(5);
+
+var JpegStream = function JpegStreamClosure() {
+  function JpegStream(stream, maybeLength, dict, params) {
+    var ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === 0xff) {
+        stream.skip(-1);
+        break;
+      }
+    }
+
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpegStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpegStream.prototype, "bytes", {
+    get: function JpegStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpegStream.prototype.ensureBuffer = function (requested) {};
+
+  JpegStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    var jpegOptions = {
+      decodeTransform: undefined,
+      colorTransform: undefined
+    };
+    var decodeArr = this.dict.getArray("Decode", "D");
+
+    if (this.forceRGB && Array.isArray(decodeArr)) {
+      var bitsPerComponent = this.dict.get("BitsPerComponent") || 8;
+      var decodeArrLength = decodeArr.length;
+      var transform = new Int32Array(decodeArrLength);
+      var transformNeeded = false;
+      var maxValue = (1 << bitsPerComponent) - 1;
+
+      for (var i = 0; i < decodeArrLength; i += 2) {
+        transform[i] = (decodeArr[i + 1] - decodeArr[i]) * 256 | 0;
+        transform[i + 1] = decodeArr[i] * maxValue | 0;
+
+        if (transform[i] !== 256 || transform[i + 1] !== 0) {
+          transformNeeded = true;
+        }
+      }
+
+      if (transformNeeded) {
+        jpegOptions.decodeTransform = transform;
+      }
+    }
+
+    if ((0, _primitives.isDict)(this.params)) {
+      var colorTransform = this.params.get("ColorTransform");
+
+      if (Number.isInteger(colorTransform)) {
+        jpegOptions.colorTransform = colorTransform;
+      }
+    }
+
+    var jpegImage = new _jpg.JpegImage(jpegOptions);
+    jpegImage.parse(this.bytes);
+    var data = jpegImage.getData({
+      width: this.drawWidth,
+      height: this.drawHeight,
+      forceRGB: this.forceRGB,
+      isSourcePDF: true
+    });
+    this.buffer = data;
+    this.bufferLength = data.length;
+    this.eof = true;
+  };
+
+  return JpegStream;
+}();
+
+exports.JpegStream = JpegStream;
+
+/***/ }),
+/* 216 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegImage = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var JpegError = /*#__PURE__*/function (_BaseException) {
+  _inherits(JpegError, _BaseException);
+
+  var _super = _createSuper(JpegError);
+
+  function JpegError(msg) {
+    _classCallCheck(this, JpegError);
+
+    return _super.call(this, "JPEG error: ".concat(msg));
+  }
+
+  return JpegError;
+}(_util.BaseException);
+
+var DNLMarkerError = /*#__PURE__*/function (_BaseException2) {
+  _inherits(DNLMarkerError, _BaseException2);
+
+  var _super2 = _createSuper(DNLMarkerError);
+
+  function DNLMarkerError(message, scanLines) {
+    var _this;
+
+    _classCallCheck(this, DNLMarkerError);
+
+    _this = _super2.call(this, message);
+    _this.scanLines = scanLines;
+    return _this;
+  }
+
+  return DNLMarkerError;
+}(_util.BaseException);
+
+var EOIMarkerError = /*#__PURE__*/function (_BaseException3) {
+  _inherits(EOIMarkerError, _BaseException3);
+
+  var _super3 = _createSuper(EOIMarkerError);
+
+  function EOIMarkerError() {
+    _classCallCheck(this, EOIMarkerError);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return EOIMarkerError;
+}(_util.BaseException);
+
+var JpegImage = function JpegImageClosure() {
+  var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
+  var dctCos1 = 4017;
+  var dctSin1 = 799;
+  var dctCos3 = 3406;
+  var dctSin3 = 2276;
+  var dctCos6 = 1567;
+  var dctSin6 = 3784;
+  var dctSqrt2 = 5793;
+  var dctSqrt1d2 = 2896;
+
+  function JpegImage() {
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref$decodeTransform = _ref.decodeTransform,
+        decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform,
+        _ref$colorTransform = _ref.colorTransform,
+        colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform;
+
+    this._decodeTransform = decodeTransform;
+    this._colorTransform = colorTransform;
+  }
+
+  function buildHuffmanTable(codeLengths, values) {
+    var k = 0,
+        code = [],
+        i,
+        j,
+        length = 16;
+
+    while (length > 0 && !codeLengths[length - 1]) {
+      length--;
+    }
+
+    code.push({
+      children: [],
+      index: 0
+    });
+    var p = code[0],
+        q;
+
+    for (i = 0; i < length; i++) {
+      for (j = 0; j < codeLengths[i]; j++) {
+        p = code.pop();
+        p.children[p.index] = values[k];
+
+        while (p.index > 0) {
+          p = code.pop();
+        }
+
+        p.index++;
+        code.push(p);
+
+        while (code.length <= i) {
+          code.push(q = {
+            children: [],
+            index: 0
+          });
+          p.children[p.index] = q.children;
+          p = q;
+        }
+
+        k++;
+      }
+
+      if (i + 1 < length) {
+        code.push(q = {
+          children: [],
+          index: 0
+        });
+        p.children[p.index] = q.children;
+        p = q;
+      }
+    }
+
+    return code[0].children;
+  }
+
+  function getBlockBufferOffset(component, row, col) {
+    return 64 * ((component.blocksPerLine + 1) * row + col);
+  }
+
+  function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
+    var parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false;
+    var mcusPerLine = frame.mcusPerLine;
+    var progressive = frame.progressive;
+    var startOffset = offset;
+    var bitsData = 0,
+        bitsCount = 0;
+
+    function readBit() {
+      if (bitsCount > 0) {
+        bitsCount--;
+        return bitsData >> bitsCount & 1;
+      }
+
+      bitsData = data[offset++];
+
+      if (bitsData === 0xff) {
+        var nextByte = data[offset++];
+
+        if (nextByte) {
+          if (nextByte === 0xdc && parseDNLMarker) {
+            offset += 2;
+            var scanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            if (scanLines > 0 && scanLines !== frame.scanLines) {
+              throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
+            }
+          } else if (nextByte === 0xd9) {
+            if (parseDNLMarker) {
+              var maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
+
+              if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
+                throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
+              }
+            }
+
+            throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
+          }
+
+          throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16)));
+        }
+      }
+
+      bitsCount = 7;
+      return bitsData >>> 7;
+    }
+
+    function decodeHuffman(tree) {
+      var node = tree;
+
+      while (true) {
+        node = node[readBit()];
+
+        switch (_typeof(node)) {
+          case "number":
+            return node;
+
+          case "object":
+            continue;
+        }
+
+        throw new JpegError("invalid huffman sequence");
+      }
+    }
+
+    function receive(length) {
+      var n = 0;
+
+      while (length > 0) {
+        n = n << 1 | readBit();
+        length--;
+      }
+
+      return n;
+    }
+
+    function receiveAndExtend(length) {
+      if (length === 1) {
+        return readBit() === 1 ? 1 : -1;
+      }
+
+      var n = receive(length);
+
+      if (n >= 1 << length - 1) {
+        return n;
+      }
+
+      return n + (-1 << length) + 1;
+    }
+
+    function decodeBaseline(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t);
+      component.blockData[blockOffset] = component.pred += diff;
+      var k = 1;
+
+      while (k < 64) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s);
+        k++;
+      }
+    }
+
+    function decodeDCFirst(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
+      component.blockData[blockOffset] = component.pred += diff;
+    }
+
+    function decodeDCSuccessive(component, blockOffset) {
+      component.blockData[blockOffset] |= readBit() << successive;
+    }
+
+    var eobrun = 0;
+
+    function decodeACFirst(component, blockOffset) {
+      if (eobrun > 0) {
+        eobrun--;
+        return;
+      }
+
+      var k = spectralStart,
+          e = spectralEnd;
+
+      while (k <= e) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            eobrun = receive(r) + (1 << r) - 1;
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
+        k++;
+      }
+    }
+
+    var successiveACState = 0,
+        successiveACNextValue;
+
+    function decodeACSuccessive(component, blockOffset) {
+      var k = spectralStart;
+      var e = spectralEnd;
+      var r = 0;
+      var s;
+      var rs;
+
+      while (k <= e) {
+        var offsetZ = blockOffset + dctZigZag[k];
+        var sign = component.blockData[offsetZ] < 0 ? -1 : 1;
+
+        switch (successiveACState) {
+          case 0:
+            rs = decodeHuffman(component.huffmanTableAC);
+            s = rs & 15;
+            r = rs >> 4;
+
+            if (s === 0) {
+              if (r < 15) {
+                eobrun = receive(r) + (1 << r);
+                successiveACState = 4;
+              } else {
+                r = 16;
+                successiveACState = 1;
+              }
+            } else {
+              if (s !== 1) {
+                throw new JpegError("invalid ACn encoding");
+              }
+
+              successiveACNextValue = receiveAndExtend(s);
+              successiveACState = r ? 2 : 3;
+            }
+
+            continue;
+
+          case 1:
+          case 2:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              r--;
+
+              if (r === 0) {
+                successiveACState = successiveACState === 2 ? 3 : 0;
+              }
+            }
+
+            break;
+
+          case 3:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              component.blockData[offsetZ] = successiveACNextValue << successive;
+              successiveACState = 0;
+            }
+
+            break;
+
+          case 4:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            }
+
+            break;
+        }
+
+        k++;
+      }
+
+      if (successiveACState === 4) {
+        eobrun--;
+
+        if (eobrun === 0) {
+          successiveACState = 0;
+        }
+      }
+    }
+
+    var blockRow = 0;
+
+    function decodeMcu(component, decode, mcu, row, col) {
+      var mcuRow = mcu / mcusPerLine | 0;
+      var mcuCol = mcu % mcusPerLine;
+      blockRow = mcuRow * component.v + row;
+      var blockCol = mcuCol * component.h + col;
+      var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    function decodeBlock(component, decode, mcu) {
+      blockRow = mcu / component.blocksPerLine | 0;
+      var blockCol = mcu % component.blocksPerLine;
+      var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    var componentsLength = components.length;
+    var component, i, j, k, n;
+    var decodeFn;
+
+    if (progressive) {
+      if (spectralStart === 0) {
+        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
+      } else {
+        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
+      }
+    } else {
+      decodeFn = decodeBaseline;
+    }
+
+    var mcu = 0,
+        fileMarker;
+    var mcuExpected;
+
+    if (componentsLength === 1) {
+      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
+    } else {
+      mcuExpected = mcusPerLine * frame.mcusPerColumn;
+    }
+
+    var h, v;
+
+    while (mcu <= mcuExpected) {
+      var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
+
+      if (mcuToRead > 0) {
+        for (i = 0; i < componentsLength; i++) {
+          components[i].pred = 0;
+        }
+
+        eobrun = 0;
+
+        if (componentsLength === 1) {
+          component = components[0];
+
+          for (n = 0; n < mcuToRead; n++) {
+            decodeBlock(component, decodeFn, mcu);
+            mcu++;
+          }
+        } else {
+          for (n = 0; n < mcuToRead; n++) {
+            for (i = 0; i < componentsLength; i++) {
+              component = components[i];
+              h = component.h;
+              v = component.v;
+
+              for (j = 0; j < v; j++) {
+                for (k = 0; k < h; k++) {
+                  decodeMcu(component, decodeFn, mcu, j, k);
+                }
+              }
+            }
+
+            mcu++;
+          }
+        }
+      }
+
+      bitsCount = 0;
+      fileMarker = findNextFileMarker(data, offset);
+
+      if (!fileMarker) {
+        break;
+      }
+
+      if (fileMarker.invalid) {
+        var partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
+        (0, _util.warn)("decodeScan - ".concat(partialMsg, " MCU data, current marker is: ").concat(fileMarker.invalid));
+        offset = fileMarker.offset;
+      }
+
+      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
+        offset += 2;
+      } else {
+        break;
+      }
+    }
+
+    return offset - startOffset;
+  }
+
+  function quantizeAndInverse(component, blockBufferOffset, p) {
+    var qt = component.quantizationTable,
+        blockData = component.blockData;
+    var v0, v1, v2, v3, v4, v5, v6, v7;
+    var p0, p1, p2, p3, p4, p5, p6, p7;
+    var t;
+
+    if (!qt) {
+      throw new JpegError("missing required Quantization Table.");
+    }
+
+    for (var row = 0; row < 64; row += 8) {
+      p0 = blockData[blockBufferOffset + row];
+      p1 = blockData[blockBufferOffset + row + 1];
+      p2 = blockData[blockBufferOffset + row + 2];
+      p3 = blockData[blockBufferOffset + row + 3];
+      p4 = blockData[blockBufferOffset + row + 4];
+      p5 = blockData[blockBufferOffset + row + 5];
+      p6 = blockData[blockBufferOffset + row + 6];
+      p7 = blockData[blockBufferOffset + row + 7];
+      p0 *= qt[row];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 512 >> 10;
+        p[row] = t;
+        p[row + 1] = t;
+        p[row + 2] = t;
+        p[row + 3] = t;
+        p[row + 4] = t;
+        p[row + 5] = t;
+        p[row + 6] = t;
+        p[row + 7] = t;
+        continue;
+      }
+
+      p1 *= qt[row + 1];
+      p2 *= qt[row + 2];
+      p3 *= qt[row + 3];
+      p4 *= qt[row + 4];
+      p5 *= qt[row + 5];
+      p6 *= qt[row + 6];
+      p7 *= qt[row + 7];
+      v0 = dctSqrt2 * p0 + 128 >> 8;
+      v1 = dctSqrt2 * p4 + 128 >> 8;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
+      v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
+      v5 = p3 << 4;
+      v6 = p5 << 4;
+      v0 = v0 + v1 + 1 >> 1;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p[row] = v0 + v7;
+      p[row + 7] = v0 - v7;
+      p[row + 1] = v1 + v6;
+      p[row + 6] = v1 - v6;
+      p[row + 2] = v2 + v5;
+      p[row + 5] = v2 - v5;
+      p[row + 3] = v3 + v4;
+      p[row + 4] = v3 - v4;
+    }
+
+    for (var col = 0; col < 8; ++col) {
+      p0 = p[col];
+      p1 = p[col + 8];
+      p2 = p[col + 16];
+      p3 = p[col + 24];
+      p4 = p[col + 32];
+      p5 = p[col + 40];
+      p6 = p[col + 48];
+      p7 = p[col + 56];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 8192 >> 14;
+
+        if (t < -2040) {
+          t = 0;
+        } else if (t >= 2024) {
+          t = 255;
+        } else {
+          t = t + 2056 >> 4;
+        }
+
+        blockData[blockBufferOffset + col] = t;
+        blockData[blockBufferOffset + col + 8] = t;
+        blockData[blockBufferOffset + col + 16] = t;
+        blockData[blockBufferOffset + col + 24] = t;
+        blockData[blockBufferOffset + col + 32] = t;
+        blockData[blockBufferOffset + col + 40] = t;
+        blockData[blockBufferOffset + col + 48] = t;
+        blockData[blockBufferOffset + col + 56] = t;
+        continue;
+      }
+
+      v0 = dctSqrt2 * p0 + 2048 >> 12;
+      v1 = dctSqrt2 * p4 + 2048 >> 12;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
+      v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
+      v5 = p3;
+      v6 = p5;
+      v0 = (v0 + v1 + 1 >> 1) + 4112;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p0 = v0 + v7;
+      p7 = v0 - v7;
+      p1 = v1 + v6;
+      p6 = v1 - v6;
+      p2 = v2 + v5;
+      p5 = v2 - v5;
+      p3 = v3 + v4;
+      p4 = v3 - v4;
+
+      if (p0 < 16) {
+        p0 = 0;
+      } else if (p0 >= 4080) {
+        p0 = 255;
+      } else {
+        p0 >>= 4;
+      }
+
+      if (p1 < 16) {
+        p1 = 0;
+      } else if (p1 >= 4080) {
+        p1 = 255;
+      } else {
+        p1 >>= 4;
+      }
+
+      if (p2 < 16) {
+        p2 = 0;
+      } else if (p2 >= 4080) {
+        p2 = 255;
+      } else {
+        p2 >>= 4;
+      }
+
+      if (p3 < 16) {
+        p3 = 0;
+      } else if (p3 >= 4080) {
+        p3 = 255;
+      } else {
+        p3 >>= 4;
+      }
+
+      if (p4 < 16) {
+        p4 = 0;
+      } else if (p4 >= 4080) {
+        p4 = 255;
+      } else {
+        p4 >>= 4;
+      }
+
+      if (p5 < 16) {
+        p5 = 0;
+      } else if (p5 >= 4080) {
+        p5 = 255;
+      } else {
+        p5 >>= 4;
+      }
+
+      if (p6 < 16) {
+        p6 = 0;
+      } else if (p6 >= 4080) {
+        p6 = 255;
+      } else {
+        p6 >>= 4;
+      }
+
+      if (p7 < 16) {
+        p7 = 0;
+      } else if (p7 >= 4080) {
+        p7 = 255;
+      } else {
+        p7 >>= 4;
+      }
+
+      blockData[blockBufferOffset + col] = p0;
+      blockData[blockBufferOffset + col + 8] = p1;
+      blockData[blockBufferOffset + col + 16] = p2;
+      blockData[blockBufferOffset + col + 24] = p3;
+      blockData[blockBufferOffset + col + 32] = p4;
+      blockData[blockBufferOffset + col + 40] = p5;
+      blockData[blockBufferOffset + col + 48] = p6;
+      blockData[blockBufferOffset + col + 56] = p7;
+    }
+  }
+
+  function buildComponentData(frame, component) {
+    var blocksPerLine = component.blocksPerLine;
+    var blocksPerColumn = component.blocksPerColumn;
+    var computationBuffer = new Int16Array(64);
+
+    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
+      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
+        var offset = getBlockBufferOffset(component, blockRow, blockCol);
+        quantizeAndInverse(component, offset, computationBuffer);
+      }
+    }
+
+    return component.blockData;
+  }
+
+  function findNextFileMarker(data, currentPos) {
+    var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos;
+    var maxPos = data.length - 1;
+    var newPos = startPos < currentPos ? startPos : currentPos;
+
+    if (currentPos >= maxPos) {
+      return null;
+    }
+
+    var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
+
+    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
+      return {
+        invalid: null,
+        marker: currentMarker,
+        offset: currentPos
+      };
+    }
+
+    var newMarker = (0, _core_utils.readUint16)(data, newPos);
+
+    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
+      if (++newPos >= maxPos) {
+        return null;
+      }
+
+      newMarker = (0, _core_utils.readUint16)(data, newPos);
+    }
+
+    return {
+      invalid: currentMarker.toString(16),
+      marker: newMarker,
+      offset: newPos
+    };
+  }
+
+  JpegImage.prototype = {
+    parse: function parse(data) {
+      var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+          _ref2$dnlScanLines = _ref2.dnlScanLines,
+          dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines;
+
+      function readDataBlock() {
+        var length = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+        var endOffset = offset + length - 2;
+        var fileMarker = findNextFileMarker(data, endOffset, offset);
+
+        if (fileMarker && fileMarker.invalid) {
+          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
+          endOffset = fileMarker.offset;
+        }
+
+        var array = data.subarray(offset, endOffset);
+        offset += array.length;
+        return array;
+      }
+
+      function prepareComponents(frame) {
+        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
+        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
+
+        for (var i = 0; i < frame.components.length; i++) {
+          component = frame.components[i];
+          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
+          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
+          var blocksPerLineForMcu = mcusPerLine * component.h;
+          var blocksPerColumnForMcu = mcusPerColumn * component.v;
+          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
+          component.blockData = new Int16Array(blocksBufferSize);
+          component.blocksPerLine = blocksPerLine;
+          component.blocksPerColumn = blocksPerColumn;
+        }
+
+        frame.mcusPerLine = mcusPerLine;
+        frame.mcusPerColumn = mcusPerColumn;
+      }
+
+      var offset = 0;
+      var jfif = null;
+      var adobe = null;
+      var frame, resetInterval;
+      var numSOSMarkers = 0;
+      var quantizationTables = [];
+      var huffmanTablesAC = [],
+          huffmanTablesDC = [];
+      var fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      if (fileMarker !== 0xffd8) {
+        throw new JpegError("SOI not found");
+      }
+
+      fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      markerLoop: while (fileMarker !== 0xffd9) {
+        var i, j, l;
+
+        switch (fileMarker) {
+          case 0xffe0:
+          case 0xffe1:
+          case 0xffe2:
+          case 0xffe3:
+          case 0xffe4:
+          case 0xffe5:
+          case 0xffe6:
+          case 0xffe7:
+          case 0xffe8:
+          case 0xffe9:
+          case 0xffea:
+          case 0xffeb:
+          case 0xffec:
+          case 0xffed:
+          case 0xffee:
+          case 0xffef:
+          case 0xfffe:
+            var appData = readDataBlock();
+
+            if (fileMarker === 0xffe0) {
+              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
+                jfif = {
+                  version: {
+                    major: appData[5],
+                    minor: appData[6]
+                  },
+                  densityUnits: appData[7],
+                  xDensity: appData[8] << 8 | appData[9],
+                  yDensity: appData[10] << 8 | appData[11],
+                  thumbWidth: appData[12],
+                  thumbHeight: appData[13],
+                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                };
+              }
+            }
+
+            if (fileMarker === 0xffee) {
+              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
+                adobe = {
+                  version: appData[5] << 8 | appData[6],
+                  flags0: appData[7] << 8 | appData[8],
+                  flags1: appData[9] << 8 | appData[10],
+                  transformCode: appData[11]
+                };
+              }
+            }
+
+            break;
+
+          case 0xffdb:
+            var quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+            var z;
+
+            while (offset < quantizationTablesEnd) {
+              var quantizationTableSpec = data[offset++];
+              var tableData = new Uint16Array(64);
+
+              if (quantizationTableSpec >> 4 === 0) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = data[offset++];
+                }
+              } else if (quantizationTableSpec >> 4 === 1) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
+                  offset += 2;
+                }
+              } else {
+                throw new JpegError("DQT - invalid table spec");
+              }
+
+              quantizationTables[quantizationTableSpec & 15] = tableData;
+            }
+
+            break;
+
+          case 0xffc0:
+          case 0xffc1:
+          case 0xffc2:
+            if (frame) {
+              throw new JpegError("Only single frame JPEGs supported");
+            }
+
+            offset += 2;
+            frame = {};
+            frame.extended = fileMarker === 0xffc1;
+            frame.progressive = fileMarker === 0xffc2;
+            frame.precision = data[offset++];
+            var sofScanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.scanLines = dnlScanLines || sofScanLines;
+            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.components = [];
+            frame.componentIds = {};
+            var componentsCount = data[offset++],
+                componentId;
+            var maxH = 0,
+                maxV = 0;
+
+            for (i = 0; i < componentsCount; i++) {
+              componentId = data[offset];
+              var h = data[offset + 1] >> 4;
+              var v = data[offset + 1] & 15;
+
+              if (maxH < h) {
+                maxH = h;
+              }
+
+              if (maxV < v) {
+                maxV = v;
+              }
+
+              var qId = data[offset + 2];
+              l = frame.components.push({
+                h: h,
+                v: v,
+                quantizationId: qId,
+                quantizationTable: null
+              });
+              frame.componentIds[componentId] = l - 1;
+              offset += 3;
+            }
+
+            frame.maxH = maxH;
+            frame.maxV = maxV;
+            prepareComponents(frame);
+            break;
+
+          case 0xffc4:
+            var huffmanLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            for (i = 2; i < huffmanLength;) {
+              var huffmanTableSpec = data[offset++];
+              var codeLengths = new Uint8Array(16);
+              var codeLengthSum = 0;
+
+              for (j = 0; j < 16; j++, offset++) {
+                codeLengthSum += codeLengths[j] = data[offset];
+              }
+
+              var huffmanValues = new Uint8Array(codeLengthSum);
+
+              for (j = 0; j < codeLengthSum; j++, offset++) {
+                huffmanValues[j] = data[offset];
+              }
+
+              i += 17 + codeLengthSum;
+              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
+            }
+
+            break;
+
+          case 0xffdd:
+            offset += 2;
+            resetInterval = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            break;
+
+          case 0xffda:
+            var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
+            offset += 2;
+            var selectorsCount = data[offset++];
+            var components = [],
+                component;
+
+            for (i = 0; i < selectorsCount; i++) {
+              var index = data[offset++];
+              var componentIndex = frame.componentIds[index];
+              component = frame.components[componentIndex];
+              component.index = index;
+              var tableSpec = data[offset++];
+              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+              components.push(component);
+            }
+
+            var spectralStart = data[offset++];
+            var spectralEnd = data[offset++];
+            var successiveApproximation = data[offset++];
+
+            try {
+              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
+              offset += processed;
+            } catch (ex) {
+              if (ex instanceof DNLMarkerError) {
+                (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image."));
+                return this.parse(data, {
+                  dnlScanLines: ex.scanLines
+                });
+              } else if (ex instanceof EOIMarkerError) {
+                (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data."));
+                break markerLoop;
+              }
+
+              throw ex;
+            }
+
+            break;
+
+          case 0xffdc:
+            offset += 4;
+            break;
+
+          case 0xffff:
+            if (data[offset] !== 0xff) {
+              offset--;
+            }
+
+            break;
+
+          default:
+            var nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
+
+            if (nextFileMarker && nextFileMarker.invalid) {
+              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
+              offset = nextFileMarker.offset;
+              break;
+            }
+
+            if (offset >= data.length - 1) {
+              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
+              break markerLoop;
+            }
+
+            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
+        }
+
+        fileMarker = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+      }
+
+      this.width = frame.samplesPerLine;
+      this.height = frame.scanLines;
+      this.jfif = jfif;
+      this.adobe = adobe;
+      this.components = [];
+
+      for (i = 0; i < frame.components.length; i++) {
+        component = frame.components[i];
+        var quantizationTable = quantizationTables[component.quantizationId];
+
+        if (quantizationTable) {
+          component.quantizationTable = quantizationTable;
+        }
+
+        this.components.push({
+          index: component.index,
+          output: buildComponentData(frame, component),
+          scaleX: component.h / frame.maxH,
+          scaleY: component.v / frame.maxV,
+          blocksPerLine: component.blocksPerLine,
+          blocksPerColumn: component.blocksPerColumn
+        });
+      }
+
+      this.numComponents = this.components.length;
+      return undefined;
+    },
+    _getLinearizedBlockData: function _getLinearizedBlockData(width, height) {
+      var isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var scaleX = this.width / width,
+          scaleY = this.height / height;
+      var component, componentScaleX, componentScaleY, blocksPerScanline;
+      var x, y, i, j, k;
+      var index;
+      var offset = 0;
+      var output;
+      var numComponents = this.components.length;
+      var dataLength = width * height * numComponents;
+      var data = new Uint8ClampedArray(dataLength);
+      var xScaleBlockOffset = new Uint32Array(width);
+      var mask3LSB = 0xfffffff8;
+      var lastComponentScaleX;
+
+      for (i = 0; i < numComponents; i++) {
+        component = this.components[i];
+        componentScaleX = component.scaleX * scaleX;
+        componentScaleY = component.scaleY * scaleY;
+        offset = i;
+        output = component.output;
+        blocksPerScanline = component.blocksPerLine + 1 << 3;
+
+        if (componentScaleX !== lastComponentScaleX) {
+          for (x = 0; x < width; x++) {
+            j = 0 | x * componentScaleX;
+            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
+          }
+
+          lastComponentScaleX = componentScaleX;
+        }
+
+        for (y = 0; y < height; y++) {
+          j = 0 | y * componentScaleY;
+          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
+
+          for (x = 0; x < width; x++) {
+            data[offset] = output[index + xScaleBlockOffset[x]];
+            offset += numComponents;
+          }
+        }
+      }
+
+      var transform = this._decodeTransform;
+
+      if (!isSourcePDF && numComponents === 4 && !transform) {
+        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
+      }
+
+      if (transform) {
+        for (i = 0; i < dataLength;) {
+          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
+            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
+          }
+        }
+      }
+
+      return data;
+    },
+
+    get _isColorConversionNeeded() {
+      if (this.adobe) {
+        return !!this.adobe.transformCode;
+      }
+
+      if (this.numComponents === 3) {
+        if (this._colorTransform === 0) {
+          return false;
+        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
+          return false;
+        }
+
+        return true;
+      }
+
+      if (this._colorTransform === 1) {
+        return true;
+      }
+
+      return false;
+    },
+
+    _convertYccToRgb: function convertYccToRgb(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 3) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = Y - 179.456 + 1.402 * Cr;
+        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
+        data[i + 2] = Y - 226.816 + 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertYcckToRgb: function convertYcckToRgb(data) {
+      var Y, Cb, Cr, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
+        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
+        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
+      }
+
+      return data.subarray(0, offset);
+    },
+    _convertYcckToCmyk: function convertYcckToCmyk(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = 434.456 - Y - 1.402 * Cr;
+        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
+        data[i + 2] = 481.816 - Y - 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertCmykToRgb: function convertCmykToRgb(data) {
+      var c, m, y, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        c = data[i];
+        m = data[i + 1];
+        y = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
+        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
+        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
+      }
+
+      return data.subarray(0, offset);
+    },
+    getData: function getData(_ref3) {
+      var width = _ref3.width,
+          height = _ref3.height,
+          _ref3$forceRGB = _ref3.forceRGB,
+          forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB,
+          _ref3$isSourcePDF = _ref3.isSourcePDF,
+          isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF;
+
+      if (this.numComponents > 4) {
+        throw new JpegError("Unsupported color mode");
+      }
+
+      var data = this._getLinearizedBlockData(width, height, isSourcePDF);
+
+      if (this.numComponents === 1 && forceRGB) {
+        var dataLength = data.length;
+        var rgbData = new Uint8ClampedArray(dataLength * 3);
+        var offset = 0;
+
+        for (var i = 0; i < dataLength; i++) {
+          var grayColor = data[i];
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+        }
+
+        return rgbData;
+      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
+        return this._convertYccToRgb(data);
+      } else if (this.numComponents === 4) {
+        if (this._isColorConversionNeeded) {
+          if (forceRGB) {
+            return this._convertYcckToRgb(data);
+          }
+
+          return this._convertYcckToCmyk(data);
+        } else if (forceRGB) {
+          return this._convertCmykToRgb(data);
+        }
+      }
+
+      return data;
+    }
+  };
+  return JpegImage;
+}();
+
+exports.JpegImage = JpegImage;
+
+/***/ }),
+/* 217 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxStream = void 0;
+
+var _stream = __w_pdfjs_require__(209);
+
+var _jpx = __w_pdfjs_require__(218);
+
+var _util = __w_pdfjs_require__(5);
+
+var JpxStream = function JpxStreamClosure() {
+  function JpxStream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpxStream.prototype, "bytes", {
+    get: function JpxStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpxStream.prototype.ensureBuffer = function (requested) {};
+
+  JpxStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    var jpxImage = new _jpx.JpxImage();
+    jpxImage.parse(this.bytes);
+    var width = jpxImage.width;
+    var height = jpxImage.height;
+    var componentsCount = jpxImage.componentsCount;
+    var tileCount = jpxImage.tiles.length;
+
+    if (tileCount === 1) {
+      this.buffer = jpxImage.tiles[0].items;
+    } else {
+      var data = new Uint8ClampedArray(width * height * componentsCount);
+
+      for (var k = 0; k < tileCount; k++) {
+        var tileComponents = jpxImage.tiles[k];
+        var tileWidth = tileComponents.width;
+        var tileHeight = tileComponents.height;
+        var tileLeft = tileComponents.left;
+        var tileTop = tileComponents.top;
+        var src = tileComponents.items;
+        var srcPosition = 0;
+        var dataPosition = (width * tileTop + tileLeft) * componentsCount;
+        var imgRowSize = width * componentsCount;
+        var tileRowSize = tileWidth * componentsCount;
+
+        for (var j = 0; j < tileHeight; j++) {
+          var rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);
+          data.set(rowBytes, dataPosition);
+          srcPosition += tileRowSize;
+          dataPosition += imgRowSize;
+        }
+      }
+
+      this.buffer = data;
+    }
+
+    this.bufferLength = this.buffer.length;
+    this.eof = true;
+  };
+
+  return JpxStream;
+}();
+
+exports.JpxStream = JpxStream;
+
+/***/ }),
+/* 218 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxImage = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _arithmetic_decoder = __w_pdfjs_require__(214);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var JpxError = /*#__PURE__*/function (_BaseException) {
+  _inherits(JpxError, _BaseException);
+
+  var _super = _createSuper(JpxError);
+
+  function JpxError(msg) {
+    _classCallCheck(this, JpxError);
+
+    return _super.call(this, "JPX error: ".concat(msg));
+  }
+
+  return JpxError;
+}(_util.BaseException);
+
+var JpxImage = function JpxImageClosure() {
+  var SubbandsGainLog2 = {
+    LL: 0,
+    LH: 1,
+    HL: 1,
+    HH: 2
+  };
+
+  function JpxImage() {
+    this.failOnCorruptedImage = false;
+  }
+
+  JpxImage.prototype = {
+    parse: function JpxImage_parse(data) {
+      var head = (0, _core_utils.readUint16)(data, 0);
+
+      if (head === 0xff4f) {
+        this.parseCodestream(data, 0, data.length);
+        return;
+      }
+
+      var position = 0,
+          length = data.length;
+
+      while (position < length) {
+        var headerSize = 8;
+        var lbox = (0, _core_utils.readUint32)(data, position);
+        var tbox = (0, _core_utils.readUint32)(data, position + 4);
+        position += headerSize;
+
+        if (lbox === 1) {
+          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
+          position += 8;
+          headerSize += 8;
+        }
+
+        if (lbox === 0) {
+          lbox = length - position + headerSize;
+        }
+
+        if (lbox < headerSize) {
+          throw new JpxError("Invalid box field size");
+        }
+
+        var dataLength = lbox - headerSize;
+        var jumpDataLength = true;
+
+        switch (tbox) {
+          case 0x6a703268:
+            jumpDataLength = false;
+            break;
+
+          case 0x636f6c72:
+            var method = data[position];
+
+            if (method === 1) {
+              var colorspace = (0, _core_utils.readUint32)(data, position + 3);
+
+              switch (colorspace) {
+                case 16:
+                case 17:
+                case 18:
+                  break;
+
+                default:
+                  (0, _util.warn)("Unknown colorspace " + colorspace);
+                  break;
+              }
+            } else if (method === 2) {
+              (0, _util.info)("ICC profile not supported");
+            }
+
+            break;
+
+          case 0x6a703263:
+            this.parseCodestream(data, position, position + dataLength);
+            break;
+
+          case 0x6a502020:
+            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
+              (0, _util.warn)("Invalid JP2 signature");
+            }
+
+            break;
+
+          case 0x6a501a1a:
+          case 0x66747970:
+          case 0x72726571:
+          case 0x72657320:
+          case 0x69686472:
+            break;
+
+          default:
+            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
+            (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
+            break;
+        }
+
+        if (jumpDataLength) {
+          position += dataLength;
+        }
+      }
+    },
+    parseImageProperties: function JpxImage_parseImageProperties(stream) {
+      var newByte = stream.getByte();
+
+      while (newByte >= 0) {
+        var oldByte = newByte;
+        newByte = stream.getByte();
+        var code = oldByte << 8 | newByte;
+
+        if (code === 0xff51) {
+          stream.skip(4);
+          var Xsiz = stream.getInt32() >>> 0;
+          var Ysiz = stream.getInt32() >>> 0;
+          var XOsiz = stream.getInt32() >>> 0;
+          var YOsiz = stream.getInt32() >>> 0;
+          stream.skip(16);
+          var Csiz = stream.getUint16();
+          this.width = Xsiz - XOsiz;
+          this.height = Ysiz - YOsiz;
+          this.componentsCount = Csiz;
+          this.bitsPerComponent = 8;
+          return;
+        }
+      }
+
+      throw new JpxError("No size marker found in JPX stream");
+    },
+    parseCodestream: function JpxImage_parseCodestream(data, start, end) {
+      var context = {};
+      var doNotRecover = false;
+
+      try {
+        var position = start;
+
+        while (position + 1 < end) {
+          var code = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          var length = 0,
+              j,
+              sqcd,
+              spqcds,
+              spqcdSize,
+              scalarExpounded,
+              tile;
+
+          switch (code) {
+            case 0xff4f:
+              context.mainHeader = true;
+              break;
+
+            case 0xffd9:
+              break;
+
+            case 0xff51:
+              length = (0, _core_utils.readUint16)(data, position);
+              var siz = {};
+              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
+              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
+              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
+              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
+              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
+              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
+              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
+              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
+              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
+              siz.Csiz = componentsCount;
+              var components = [];
+              j = position + 38;
+
+              for (var i = 0; i < componentsCount; i++) {
+                var component = {
+                  precision: (data[j] & 0x7f) + 1,
+                  isSigned: !!(data[j] & 0x80),
+                  XRsiz: data[j + 1],
+                  YRsiz: data[j + 2]
+                };
+                j += 3;
+                calculateComponentDimensions(component, siz);
+                components.push(component);
+              }
+
+              context.SIZ = siz;
+              context.components = components;
+              calculateTileGrids(context, components);
+              context.QCC = [];
+              context.COC = [];
+              break;
+
+            case 0xff5c:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcd = {};
+              j = position + 2;
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcd.noQuantization = spqcdSize === 8;
+              qcd.scalarExpounded = scalarExpounded;
+              qcd.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                var spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcd.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCD = qcd;
+              } else {
+                context.currentTile.QCD = qcd;
+                context.currentTile.QCC = [];
+              }
+
+              break;
+
+            case 0xff5d:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcc = {};
+              j = position + 2;
+              var cqcc;
+
+              if (context.SIZ.Csiz < 257) {
+                cqcc = data[j++];
+              } else {
+                cqcc = (0, _core_utils.readUint16)(data, j);
+                j += 2;
+              }
+
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcc.noQuantization = spqcdSize === 8;
+              qcc.scalarExpounded = scalarExpounded;
+              qcc.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcc.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCC[cqcc] = qcc;
+              } else {
+                context.currentTile.QCC[cqcc] = qcc;
+              }
+
+              break;
+
+            case 0xff52:
+              length = (0, _core_utils.readUint16)(data, position);
+              var cod = {};
+              j = position + 2;
+              var scod = data[j++];
+              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+              cod.sopMarkerUsed = !!(scod & 2);
+              cod.ephMarkerUsed = !!(scod & 4);
+              cod.progressionOrder = data[j++];
+              cod.layersCount = (0, _core_utils.readUint16)(data, j);
+              j += 2;
+              cod.multipleComponentTransform = data[j++];
+              cod.decompositionLevelsCount = data[j++];
+              cod.xcb = (data[j++] & 0xf) + 2;
+              cod.ycb = (data[j++] & 0xf) + 2;
+              var blockStyle = data[j++];
+              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+              cod.resetContextProbabilities = !!(blockStyle & 2);
+              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+              cod.verticallyStripe = !!(blockStyle & 8);
+              cod.predictableTermination = !!(blockStyle & 16);
+              cod.segmentationSymbolUsed = !!(blockStyle & 32);
+              cod.reversibleTransformation = data[j++];
+
+              if (cod.entropyCoderWithCustomPrecincts) {
+                var precinctsSizes = [];
+
+                while (j < length + position) {
+                  var precinctsSize = data[j++];
+                  precinctsSizes.push({
+                    PPx: precinctsSize & 0xf,
+                    PPy: precinctsSize >> 4
+                  });
+                }
+
+                cod.precinctsSizes = precinctsSizes;
+              }
+
+              var unsupported = [];
+
+              if (cod.selectiveArithmeticCodingBypass) {
+                unsupported.push("selectiveArithmeticCodingBypass");
+              }
+
+              if (cod.resetContextProbabilities) {
+                unsupported.push("resetContextProbabilities");
+              }
+
+              if (cod.terminationOnEachCodingPass) {
+                unsupported.push("terminationOnEachCodingPass");
+              }
+
+              if (cod.verticallyStripe) {
+                unsupported.push("verticallyStripe");
+              }
+
+              if (cod.predictableTermination) {
+                unsupported.push("predictableTermination");
+              }
+
+              if (unsupported.length > 0) {
+                doNotRecover = true;
+                throw new Error("Unsupported COD options (" + unsupported.join(", ") + ")");
+              }
+
+              if (context.mainHeader) {
+                context.COD = cod;
+              } else {
+                context.currentTile.COD = cod;
+                context.currentTile.COC = [];
+              }
+
+              break;
+
+            case 0xff90:
+              length = (0, _core_utils.readUint16)(data, position);
+              tile = {};
+              tile.index = (0, _core_utils.readUint16)(data, position + 2);
+              tile.length = (0, _core_utils.readUint32)(data, position + 4);
+              tile.dataEnd = tile.length + position - 2;
+              tile.partIndex = data[position + 8];
+              tile.partsCount = data[position + 9];
+              context.mainHeader = false;
+
+              if (tile.partIndex === 0) {
+                tile.COD = context.COD;
+                tile.COC = context.COC.slice(0);
+                tile.QCD = context.QCD;
+                tile.QCC = context.QCC.slice(0);
+              }
+
+              context.currentTile = tile;
+              break;
+
+            case 0xff93:
+              tile = context.currentTile;
+
+              if (tile.partIndex === 0) {
+                initializeTile(context, tile.index);
+                buildPackets(context);
+              }
+
+              length = tile.dataEnd - position;
+              parseTilePackets(context, data, position, length);
+              break;
+
+            case 0xff55:
+            case 0xff57:
+            case 0xff58:
+            case 0xff64:
+              length = (0, _core_utils.readUint16)(data, position);
+              break;
+
+            case 0xff53:
+              throw new Error("Codestream code 0xFF53 (COC) is not implemented");
+
+            default:
+              throw new Error("Unknown codestream code: " + code.toString(16));
+          }
+
+          position += length;
+        }
+      } catch (e) {
+        if (doNotRecover || this.failOnCorruptedImage) {
+          throw new JpxError(e.message);
+        } else {
+          (0, _util.warn)("JPX: Trying to recover from: " + e.message);
+        }
+      }
+
+      this.tiles = transformComponents(context);
+      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
+      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
+      this.componentsCount = context.SIZ.Csiz;
+    }
+  };
+
+  function calculateComponentDimensions(component, siz) {
+    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
+    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
+    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
+    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
+    component.width = component.x1 - component.x0;
+    component.height = component.y1 - component.y0;
+  }
+
+  function calculateTileGrids(context, components) {
+    var siz = context.SIZ;
+    var tile,
+        tiles = [];
+    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
+    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
+
+    for (var q = 0; q < numYtiles; q++) {
+      for (var p = 0; p < numXtiles; p++) {
+        tile = {};
+        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
+        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
+        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
+        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
+        tile.width = tile.tx1 - tile.tx0;
+        tile.height = tile.ty1 - tile.ty0;
+        tile.components = [];
+        tiles.push(tile);
+      }
+    }
+
+    context.tiles = tiles;
+    var componentsCount = siz.Csiz;
+
+    for (var i = 0, ii = componentsCount; i < ii; i++) {
+      var component = components[i];
+
+      for (var j = 0, jj = tiles.length; j < jj; j++) {
+        var tileComponent = {};
+        tile = tiles[j];
+        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
+        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
+        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
+        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
+        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
+        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
+        tile.components[i] = tileComponent;
+      }
+    }
+  }
+
+  function getBlocksDimensions(context, component, r) {
+    var codOrCoc = component.codingStyleParameters;
+    var result = {};
+
+    if (!codOrCoc.entropyCoderWithCustomPrecincts) {
+      result.PPx = 15;
+      result.PPy = 15;
+    } else {
+      result.PPx = codOrCoc.precinctsSizes[r].PPx;
+      result.PPy = codOrCoc.precinctsSizes[r].PPy;
+    }
+
+    result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
+    result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
+    return result;
+  }
+
+  function buildPrecincts(context, resolution, dimensions) {
+    var precinctWidth = 1 << dimensions.PPx;
+    var precinctHeight = 1 << dimensions.PPy;
+    var isZeroRes = resolution.resLevel === 0;
+    var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
+    var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
+    var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
+    var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
+    var numprecincts = numprecinctswide * numprecinctshigh;
+    resolution.precinctParameters = {
+      precinctWidth: precinctWidth,
+      precinctHeight: precinctHeight,
+      numprecinctswide: numprecinctswide,
+      numprecinctshigh: numprecinctshigh,
+      numprecincts: numprecincts,
+      precinctWidthInSubband: precinctWidthInSubband,
+      precinctHeightInSubband: precinctHeightInSubband
+    };
+  }
+
+  function buildCodeblocks(context, subband, dimensions) {
+    var xcb_ = dimensions.xcb_;
+    var ycb_ = dimensions.ycb_;
+    var codeblockWidth = 1 << xcb_;
+    var codeblockHeight = 1 << ycb_;
+    var cbx0 = subband.tbx0 >> xcb_;
+    var cby0 = subband.tby0 >> ycb_;
+    var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
+    var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
+    var precinctParameters = subband.resolution.precinctParameters;
+    var codeblocks = [];
+    var precincts = [];
+    var i, j, codeblock, precinctNumber;
+
+    for (j = cby0; j < cby1; j++) {
+      for (i = cbx0; i < cbx1; i++) {
+        codeblock = {
+          cbx: i,
+          cby: j,
+          tbx0: codeblockWidth * i,
+          tby0: codeblockHeight * j,
+          tbx1: codeblockWidth * (i + 1),
+          tby1: codeblockHeight * (j + 1)
+        };
+        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
+        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
+        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
+        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
+        var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
+        var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
+        precinctNumber = pi + pj * precinctParameters.numprecinctswide;
+        codeblock.precinctNumber = precinctNumber;
+        codeblock.subbandType = subband.type;
+        codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
+
+        codeblocks.push(codeblock);
+        var precinct = precincts[precinctNumber];
+
+        if (precinct !== undefined) {
+          if (i < precinct.cbxMin) {
+            precinct.cbxMin = i;
+          } else if (i > precinct.cbxMax) {
+            precinct.cbxMax = i;
+          }
+
+          if (j < precinct.cbyMin) {
+            precinct.cbxMin = j;
+          } else if (j > precinct.cbyMax) {
+            precinct.cbyMax = j;
+          }
+        } else {
+          precincts[precinctNumber] = precinct = {
+            cbxMin: i,
+            cbyMin: j,
+            cbxMax: i,
+            cbyMax: j
+          };
+        }
+
+        codeblock.precinct = precinct;
+      }
+    }
+
+    subband.codeblockParameters = {
+      codeblockWidth: xcb_,
+      codeblockHeight: ycb_,
+      numcodeblockwide: cbx1 - cbx0 + 1,
+      numcodeblockhigh: cby1 - cby0 + 1
+    };
+    subband.codeblocks = codeblocks;
+    subband.precincts = precincts;
+  }
+
+  function createPacket(resolution, precinctNumber, layerNumber) {
+    var precinctCodeblocks = [];
+    var subbands = resolution.subbands;
+
+    for (var i = 0, ii = subbands.length; i < ii; i++) {
+      var subband = subbands[i];
+      var codeblocks = subband.codeblocks;
+
+      for (var j = 0, jj = codeblocks.length; j < jj; j++) {
+        var codeblock = codeblocks[j];
+
+        if (codeblock.precinctNumber !== precinctNumber) {
+          continue;
+        }
+
+        precinctCodeblocks.push(codeblock);
+      }
+    }
+
+    return {
+      layerNumber: layerNumber,
+      codeblocks: precinctCodeblocks
+    };
+  }
+
+  function LayerResolutionComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var l = 0,
+        r = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; l < layersCount; l++) {
+        for (; r <= maxDecompositionLevelsCount; r++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        r = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionLayerComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var r = 0,
+        l = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; l < layersCount; l++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        l = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionPositionComponentLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var l, r, c, p;
+    var maxDecompositionLevelsCount = 0;
+
+    for (c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
+
+    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
+      var maxNumPrecincts = 0;
+
+      for (c = 0; c < componentsCount; ++c) {
+        var resolutions = tile.components[c].resolutions;
+
+        if (r < resolutions.length) {
+          maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
+        }
+      }
+
+      maxNumPrecinctsInLevel[r] = maxNumPrecincts;
+    }
+
+    l = 0;
+    r = 0;
+    c = 0;
+    p = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; p < maxNumPrecinctsInLevel[r]; p++) {
+          for (; c < componentsCount; c++) {
+            var _component = tile.components[c];
+
+            if (r > _component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = _component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            if (p >= numprecincts) {
+              continue;
+            }
+
+            for (; l < layersCount;) {
+              var packet = createPacket(resolution, p, l);
+              l++;
+              return packet;
+            }
+
+            l = 0;
+          }
+
+          c = 0;
+        }
+
+        p = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function PositionComponentResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var precinctsIterationSizes = precinctsSizes;
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+          for (; c < componentsCount; c++) {
+            var component = tile.components[c];
+            var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          c = 0;
+        }
+
+        px = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ComponentPositionResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; c < componentsCount; ++c) {
+        var component = tile.components[c];
+        var precinctsIterationSizes = precinctsSizes.components[c];
+        var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+        for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+          for (; px < precinctsIterationSizes.maxNumWide; px++) {
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsIterationSizes.resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          px = 0;
+        }
+
+        py = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
+    var posX = pxIndex * precinctIterationSizes.minWidth;
+    var posY = pyIndex * precinctIterationSizes.minHeight;
+
+    if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
+      return null;
+    }
+
+    var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
+    return posX / sizeInImageScale.height + startPrecinctRowIndex;
+  }
+
+  function getPrecinctSizesInImageScale(tile) {
+    var componentsCount = tile.components.length;
+    var minWidth = Number.MAX_VALUE;
+    var minHeight = Number.MAX_VALUE;
+    var maxNumWide = 0;
+    var maxNumHigh = 0;
+    var sizePerComponent = new Array(componentsCount);
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var sizePerResolution = new Array(decompositionLevelsCount + 1);
+      var minWidthCurrentComponent = Number.MAX_VALUE;
+      var minHeightCurrentComponent = Number.MAX_VALUE;
+      var maxNumWideCurrentComponent = 0;
+      var maxNumHighCurrentComponent = 0;
+      var scale = 1;
+
+      for (var r = decompositionLevelsCount; r >= 0; --r) {
+        var resolution = component.resolutions[r];
+        var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
+        var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
+        minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
+        minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
+        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
+        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
+        sizePerResolution[r] = {
+          width: widthCurrentResolution,
+          height: heightCurrentResolution
+        };
+        scale <<= 1;
+      }
+
+      minWidth = Math.min(minWidth, minWidthCurrentComponent);
+      minHeight = Math.min(minHeight, minHeightCurrentComponent);
+      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
+      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
+      sizePerComponent[c] = {
+        resolutions: sizePerResolution,
+        minWidth: minWidthCurrentComponent,
+        minHeight: minHeightCurrentComponent,
+        maxNumWide: maxNumWideCurrentComponent,
+        maxNumHigh: maxNumHighCurrentComponent
+      };
+    }
+
+    return {
+      components: sizePerComponent,
+      minWidth: minWidth,
+      minHeight: minHeight,
+      maxNumWide: maxNumWide,
+      maxNumHigh: maxNumHigh
+    };
+  }
+
+  function buildPackets(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var componentsCount = siz.Csiz;
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var resolutions = [];
+      var subbands = [];
+
+      for (var r = 0; r <= decompositionLevelsCount; r++) {
+        var blocksDimensions = getBlocksDimensions(context, component, r);
+        var resolution = {};
+        var scale = 1 << decompositionLevelsCount - r;
+        resolution.trx0 = Math.ceil(component.tcx0 / scale);
+        resolution.try0 = Math.ceil(component.tcy0 / scale);
+        resolution.trx1 = Math.ceil(component.tcx1 / scale);
+        resolution.try1 = Math.ceil(component.tcy1 / scale);
+        resolution.resLevel = r;
+        buildPrecincts(context, resolution, blocksDimensions);
+        resolutions.push(resolution);
+        var subband;
+
+        if (r === 0) {
+          subband = {};
+          subband.type = "LL";
+          subband.tbx0 = Math.ceil(component.tcx0 / scale);
+          subband.tby0 = Math.ceil(component.tcy0 / scale);
+          subband.tbx1 = Math.ceil(component.tcx1 / scale);
+          subband.tby1 = Math.ceil(component.tcy1 / scale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolution.subbands = [subband];
+        } else {
+          var bscale = 1 << decompositionLevelsCount - r + 1;
+          var resolutionSubbands = [];
+          subband = {};
+          subband.type = "HL";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "LH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "HH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          resolution.subbands = resolutionSubbands;
+        }
+      }
+
+      component.resolutions = resolutions;
+      component.subbands = subbands;
+    }
+
+    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
+
+    switch (progressionOrder) {
+      case 0:
+        tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+        break;
+
+      case 1:
+        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+        break;
+
+      case 2:
+        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+        break;
+
+      case 3:
+        tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+        break;
+
+      case 4:
+        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+        break;
+
+      default:
+        throw new JpxError("Unsupported progression order ".concat(progressionOrder));
+    }
+  }
+
+  function parseTilePackets(context, data, offset, dataLength) {
+    var position = 0;
+    var buffer,
+        bufferSize = 0,
+        skipNextBit = false;
+
+    function readBits(count) {
+      while (bufferSize < count) {
+        var b = data[offset + position];
+        position++;
+
+        if (skipNextBit) {
+          buffer = buffer << 7 | b;
+          bufferSize += 7;
+          skipNextBit = false;
+        } else {
+          buffer = buffer << 8 | b;
+          bufferSize += 8;
+        }
+
+        if (b === 0xff) {
+          skipNextBit = true;
+        }
+      }
+
+      bufferSize -= count;
+      return buffer >>> bufferSize & (1 << count) - 1;
+    }
+
+    function skipMarkerIfEqual(value) {
+      if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
+        skipBytes(1);
+        return true;
+      } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
+        skipBytes(2);
+        return true;
+      }
+
+      return false;
+    }
+
+    function skipBytes(count) {
+      position += count;
+    }
+
+    function alignToByte() {
+      bufferSize = 0;
+
+      if (skipNextBit) {
+        position++;
+        skipNextBit = false;
+      }
+    }
+
+    function readCodingpasses() {
+      if (readBits(1) === 0) {
+        return 1;
+      }
+
+      if (readBits(1) === 0) {
+        return 2;
+      }
+
+      var value = readBits(2);
+
+      if (value < 3) {
+        return value + 3;
+      }
+
+      value = readBits(5);
+
+      if (value < 31) {
+        return value + 6;
+      }
+
+      value = readBits(7);
+      return value + 37;
+    }
+
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var sopMarkerUsed = context.COD.sopMarkerUsed;
+    var ephMarkerUsed = context.COD.ephMarkerUsed;
+    var packetsIterator = tile.packetsIterator;
+
+    while (position < dataLength) {
+      alignToByte();
+
+      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
+        skipBytes(4);
+      }
+
+      var packet = packetsIterator.nextPacket();
+
+      if (!readBits(1)) {
+        continue;
+      }
+
+      var layerNumber = packet.layerNumber;
+      var queue = [],
+          codeblock;
+
+      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
+        codeblock = packet.codeblocks[i];
+        var precinct = codeblock.precinct;
+        var codeblockColumn = codeblock.cbx - precinct.cbxMin;
+        var codeblockRow = codeblock.cby - precinct.cbyMin;
+        var codeblockIncluded = false;
+        var firstTimeInclusion = false;
+        var valueReady;
+
+        if (codeblock.included !== undefined) {
+          codeblockIncluded = !!readBits(1);
+        } else {
+          precinct = codeblock.precinct;
+          var inclusionTree, zeroBitPlanesTree;
+
+          if (precinct.inclusionTree !== undefined) {
+            inclusionTree = precinct.inclusionTree;
+          } else {
+            var width = precinct.cbxMax - precinct.cbxMin + 1;
+            var height = precinct.cbyMax - precinct.cbyMin + 1;
+            inclusionTree = new InclusionTree(width, height, layerNumber);
+            zeroBitPlanesTree = new TagTree(width, height);
+            precinct.inclusionTree = inclusionTree;
+            precinct.zeroBitPlanesTree = zeroBitPlanesTree;
+          }
+
+          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
+            while (true) {
+              if (readBits(1)) {
+                valueReady = !inclusionTree.nextLevel();
+
+                if (valueReady) {
+                  codeblock.included = true;
+                  codeblockIncluded = firstTimeInclusion = true;
+                  break;
+                }
+              } else {
+                inclusionTree.incrementValue(layerNumber);
+                break;
+              }
+            }
+          }
+        }
+
+        if (!codeblockIncluded) {
+          continue;
+        }
+
+        if (firstTimeInclusion) {
+          zeroBitPlanesTree = precinct.zeroBitPlanesTree;
+          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
+
+          while (true) {
+            if (readBits(1)) {
+              valueReady = !zeroBitPlanesTree.nextLevel();
+
+              if (valueReady) {
+                break;
+              }
+            } else {
+              zeroBitPlanesTree.incrementValue();
+            }
+          }
+
+          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
+        }
+
+        var codingpasses = readCodingpasses();
+
+        while (readBits(1)) {
+          codeblock.Lblock++;
+        }
+
+        var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
+        var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
+        var codedDataLength = readBits(bits);
+        queue.push({
+          codeblock: codeblock,
+          codingpasses: codingpasses,
+          dataLength: codedDataLength
+        });
+      }
+
+      alignToByte();
+
+      if (ephMarkerUsed) {
+        skipMarkerIfEqual(0x92);
+      }
+
+      while (queue.length > 0) {
+        var packetItem = queue.shift();
+        codeblock = packetItem.codeblock;
+
+        if (codeblock.data === undefined) {
+          codeblock.data = [];
+        }
+
+        codeblock.data.push({
+          data: data,
+          start: offset + position,
+          end: offset + position + packetItem.dataLength,
+          codingpasses: packetItem.codingpasses
+        });
+        position += packetItem.dataLength;
+      }
+    }
+
+    return position;
+  }
+
+  function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
+    var x0 = subband.tbx0;
+    var y0 = subband.tby0;
+    var width = subband.tbx1 - subband.tbx0;
+    var codeblocks = subband.codeblocks;
+    var right = subband.type.charAt(0) === "H" ? 1 : 0;
+    var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
+
+    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
+      var codeblock = codeblocks[i];
+      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
+      var blockHeight = codeblock.tby1_ - codeblock.tby0_;
+
+      if (blockWidth === 0 || blockHeight === 0) {
+        continue;
+      }
+
+      if (codeblock.data === undefined) {
+        continue;
+      }
+
+      var bitModel, currentCodingpassType;
+      bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
+      currentCodingpassType = 2;
+      var data = codeblock.data,
+          totalLength = 0,
+          codingpasses = 0;
+      var j, jj, dataItem;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        totalLength += dataItem.end - dataItem.start;
+        codingpasses += dataItem.codingpasses;
+      }
+
+      var encodedData = new Uint8Array(totalLength);
+      var position = 0;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
+        encodedData.set(chunk, position);
+        position += chunk.length;
+      }
+
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
+      bitModel.setDecoder(decoder);
+
+      for (j = 0; j < codingpasses; j++) {
+        switch (currentCodingpassType) {
+          case 0:
+            bitModel.runSignificancePropagationPass();
+            break;
+
+          case 1:
+            bitModel.runMagnitudeRefinementPass();
+            break;
+
+          case 2:
+            bitModel.runCleanupPass();
+
+            if (segmentationSymbolUsed) {
+              bitModel.checkSegmentationSymbol();
+            }
+
+            break;
+        }
+
+        currentCodingpassType = (currentCodingpassType + 1) % 3;
+      }
+
+      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
+      var sign = bitModel.coefficentsSign;
+      var magnitude = bitModel.coefficentsMagnitude;
+      var bitsDecoded = bitModel.bitsDecoded;
+      var magnitudeCorrection = reversible ? 0 : 0.5;
+      var k, n, nb;
+      position = 0;
+      var interleave = subband.type !== "LL";
+
+      for (j = 0; j < blockHeight; j++) {
+        var row = offset / width | 0;
+        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
+
+        for (k = 0; k < blockWidth; k++) {
+          n = magnitude[position];
+
+          if (n !== 0) {
+            n = (n + magnitudeCorrection) * delta;
+
+            if (sign[position] !== 0) {
+              n = -n;
+            }
+
+            nb = bitsDecoded[position];
+            var pos = interleave ? levelOffset + (offset << 1) : offset;
+
+            if (reversible && nb >= mb) {
+              coefficients[pos] = n;
+            } else {
+              coefficients[pos] = n * (1 << mb - nb);
+            }
+          }
+
+          offset++;
+          position++;
+        }
+
+        offset += width - blockWidth;
+      }
+    }
+  }
+
+  function transformTile(context, tile, c) {
+    var component = tile.components[c];
+    var codingStyleParameters = component.codingStyleParameters;
+    var quantizationParameters = component.quantizationParameters;
+    var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
+    var spqcds = quantizationParameters.SPqcds;
+    var scalarExpounded = quantizationParameters.scalarExpounded;
+    var guardBits = quantizationParameters.guardBits;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
+    var precision = context.components[c].precision;
+    var reversible = codingStyleParameters.reversibleTransformation;
+    var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
+    var subbandCoefficients = [];
+    var b = 0;
+
+    for (var i = 0; i <= decompositionLevelsCount; i++) {
+      var resolution = component.resolutions[i];
+      var width = resolution.trx1 - resolution.trx0;
+      var height = resolution.try1 - resolution.try0;
+      var coefficients = new Float32Array(width * height);
+
+      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
+        var mu, epsilon;
+
+        if (!scalarExpounded) {
+          mu = spqcds[0].mu;
+          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
+        } else {
+          mu = spqcds[b].mu;
+          epsilon = spqcds[b].epsilon;
+          b++;
+        }
+
+        var subband = resolution.subbands[j];
+        var gainLog2 = SubbandsGainLog2[subband.type];
+        var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
+        var mb = guardBits + epsilon - 1;
+        copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
+      }
+
+      subbandCoefficients.push({
+        width: width,
+        height: height,
+        items: coefficients
+      });
+    }
+
+    var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
+    return {
+      left: component.tcx0,
+      top: component.tcy0,
+      width: result.width,
+      height: result.height,
+      items: result.items
+    };
+  }
+
+  function transformComponents(context) {
+    var siz = context.SIZ;
+    var components = context.components;
+    var componentsCount = siz.Csiz;
+    var resultImages = [];
+
+    for (var i = 0, ii = context.tiles.length; i < ii; i++) {
+      var tile = context.tiles[i];
+      var transformedTiles = [];
+      var c;
+
+      for (c = 0; c < componentsCount; c++) {
+        transformedTiles[c] = transformTile(context, tile, c);
+      }
+
+      var tile0 = transformedTiles[0];
+      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
+      var result = {
+        left: tile0.left,
+        top: tile0.top,
+        width: tile0.width,
+        height: tile0.height,
+        items: out
+      };
+      var shift, offset;
+      var pos = 0,
+          j,
+          jj,
+          y0,
+          y1,
+          y2;
+
+      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
+        var fourComponents = componentsCount === 4;
+        var y0items = transformedTiles[0].items;
+        var y1items = transformedTiles[1].items;
+        var y2items = transformedTiles[2].items;
+        var y3items = fourComponents ? transformedTiles[3].items : null;
+        shift = components[0].precision - 8;
+        offset = (128 << shift) + 0.5;
+        var component0 = tile.components[0];
+        var alpha01 = componentsCount - 3;
+        jj = y0items.length;
+
+        if (!component0.codingStyleParameters.reversibleTransformation) {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            out[pos++] = y0 + 1.402 * y2 >> shift;
+            out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
+            out[pos++] = y0 + 1.772 * y1 >> shift;
+          }
+        } else {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            var g = y0 - (y2 + y1 >> 2);
+            out[pos++] = g + y2 >> shift;
+            out[pos++] = g >> shift;
+            out[pos++] = g + y1 >> shift;
+          }
+        }
+
+        if (fourComponents) {
+          for (j = 0, pos = 3; j < jj; j++, pos += 4) {
+            out[pos] = y3items[j] + offset >> shift;
+          }
+        }
+      } else {
+        for (c = 0; c < componentsCount; c++) {
+          var items = transformedTiles[c].items;
+          shift = components[c].precision - 8;
+          offset = (128 << shift) + 0.5;
+
+          for (pos = c, j = 0, jj = items.length; j < jj; j++) {
+            out[pos] = items[j] + offset >> shift;
+            pos += componentsCount;
+          }
+        }
+      }
+
+      resultImages.push(result);
+    }
+
+    return resultImages;
+  }
+
+  function initializeTile(context, tileIndex) {
+    var siz = context.SIZ;
+    var componentsCount = siz.Csiz;
+    var tile = context.tiles[tileIndex];
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
+      component.quantizationParameters = qcdOrQcc;
+      var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
+      component.codingStyleParameters = codOrCoc;
+    }
+
+    tile.codingStyleDefaultParameters = context.currentTile.COD;
+  }
+
+  var TagTree = function TagTreeClosure() {
+    function TagTree(width, height) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var level = {
+          width: width,
+          height: height,
+          items: []
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    TagTree.prototype = {
+      reset: function TagTree_reset(i, j) {
+        var currentLevel = 0,
+            value = 0,
+            level;
+
+        while (currentLevel < this.levels.length) {
+          level = this.levels[currentLevel];
+          var index = i + j * level.width;
+
+          if (level.items[index] !== undefined) {
+            value = level.items[index];
+            break;
+          }
+
+          level.index = index;
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        currentLevel--;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        this.currentLevel = currentLevel;
+        delete this.value;
+      },
+      incrementValue: function TagTree_incrementValue() {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index]++;
+      },
+      nextLevel: function TagTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          this.value = value;
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return TagTree;
+  }();
+
+  var InclusionTree = function InclusionTreeClosure() {
+    function InclusionTree(width, height, defaultValue) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var items = new Uint8Array(width * height);
+
+        for (var j = 0, jj = items.length; j < jj; j++) {
+          items[j] = defaultValue;
+        }
+
+        var level = {
+          width: width,
+          height: height,
+          items: items
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    InclusionTree.prototype = {
+      reset: function InclusionTree_reset(i, j, stopValue) {
+        var currentLevel = 0;
+
+        while (currentLevel < this.levels.length) {
+          var level = this.levels[currentLevel];
+          var index = i + j * level.width;
+          level.index = index;
+          var value = level.items[index];
+
+          if (value === 0xff) {
+            break;
+          }
+
+          if (value > stopValue) {
+            this.currentLevel = currentLevel;
+            this.propagateValues();
+            return false;
+          }
+
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        this.currentLevel = currentLevel - 1;
+        return true;
+      },
+      incrementValue: function InclusionTree_incrementValue(stopValue) {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index] = stopValue + 1;
+        this.propagateValues();
+      },
+      propagateValues: function InclusionTree_propagateValues() {
+        var levelIndex = this.currentLevel;
+        var level = this.levels[levelIndex];
+        var currentValue = level.items[level.index];
+
+        while (--levelIndex >= 0) {
+          level = this.levels[levelIndex];
+          level.items[level.index] = currentValue;
+        }
+      },
+      nextLevel: function InclusionTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        level.items[level.index] = 0xff;
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return InclusionTree;
+  }();
+
+  var BitModel = function BitModelClosure() {
+    var UNIFORM_CONTEXT = 17;
+    var RUNLENGTH_CONTEXT = 18;
+    var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+    var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+    var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
+
+    function BitModel(width, height, subband, zeroBitPlanes, mb) {
+      this.width = width;
+      this.height = height;
+      var contextLabelTable;
+
+      if (subband === "HH") {
+        contextLabelTable = HHContextLabel;
+      } else if (subband === "HL") {
+        contextLabelTable = HLContextLabel;
+      } else {
+        contextLabelTable = LLAndLHContextsLabel;
+      }
+
+      this.contextLabelTable = contextLabelTable;
+      var coefficientCount = width * height;
+      this.neighborsSignificance = new Uint8Array(coefficientCount);
+      this.coefficentsSign = new Uint8Array(coefficientCount);
+      var coefficentsMagnitude;
+
+      if (mb > 14) {
+        coefficentsMagnitude = new Uint32Array(coefficientCount);
+      } else if (mb > 6) {
+        coefficentsMagnitude = new Uint16Array(coefficientCount);
+      } else {
+        coefficentsMagnitude = new Uint8Array(coefficientCount);
+      }
+
+      this.coefficentsMagnitude = coefficentsMagnitude;
+      this.processingFlags = new Uint8Array(coefficientCount);
+      var bitsDecoded = new Uint8Array(coefficientCount);
+
+      if (zeroBitPlanes !== 0) {
+        for (var i = 0; i < coefficientCount; i++) {
+          bitsDecoded[i] = zeroBitPlanes;
+        }
+      }
+
+      this.bitsDecoded = bitsDecoded;
+      this.reset();
+    }
+
+    BitModel.prototype = {
+      setDecoder: function BitModel_setDecoder(decoder) {
+        this.decoder = decoder;
+      },
+      reset: function BitModel_reset() {
+        this.contexts = new Int8Array(19);
+        this.contexts[0] = 4 << 1 | 0;
+        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
+        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
+      },
+      setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
+        var neighborsSignificance = this.neighborsSignificance;
+        var width = this.width,
+            height = this.height;
+        var left = column > 0;
+        var right = column + 1 < width;
+        var i;
+
+        if (row > 0) {
+          i = index - width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (row + 1 < height) {
+          i = index + width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (left) {
+          neighborsSignificance[index - 1] += 0x01;
+        }
+
+        if (right) {
+          neighborsSignificance[index + 1] += 0x01;
+        }
+
+        neighborsSignificance[index] |= 0x80;
+      },
+      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var neighborsSignificance = this.neighborsSignificance;
+        var processingFlags = this.processingFlags;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processedInverseMask = ~1;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+
+        for (var i0 = 0; i0 < height; i0 += 4) {
+          for (var j = 0; j < width; j++) {
+            var index = i0 * width + j;
+
+            for (var i1 = 0; i1 < 4; i1++, index += width) {
+              var i = i0 + i1;
+
+              if (i >= height) {
+                break;
+              }
+
+              processingFlags[index] &= processedInverseMask;
+
+              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision) {
+                var sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contribution, sign0, sign1, significance1;
+        var contextLabel, decoded;
+        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
+
+        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
+          sign1 = coefficentsSign[index + 1];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - 1];
+            contribution = 1 - sign1 - sign0;
+          } else {
+            contribution = 1 - sign1 - sign1;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - 1];
+          contribution = 1 - sign0 - sign0;
+        } else {
+          contribution = 0;
+        }
+
+        var horizontalContribution = 3 * contribution;
+        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
+
+        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
+          sign1 = coefficentsSign[index + width];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - width];
+            contribution = 1 - sign1 - sign0 + horizontalContribution;
+          } else {
+            contribution = 1 - sign1 - sign1 + horizontalContribution;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - width];
+          contribution = 1 - sign0 - sign0 + horizontalContribution;
+        } else {
+          contribution = horizontalContribution;
+        }
+
+        if (contribution >= 0) {
+          contextLabel = 9 + contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel);
+        } else {
+          contextLabel = 9 - contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
+        }
+
+        return decoded;
+      },
+      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var neighborsSignificance = this.neighborsSignificance;
+        var contexts = this.contexts;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var length = width * height;
+        var width4 = width * 4;
+
+        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
+          indexNext = Math.min(length, index0 + width4);
+
+          for (var j = 0; j < width; j++) {
+            for (var index = index0 + j; index < indexNext; index += width) {
+              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = 16;
+
+              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
+                processingFlags[index] ^= firstMagnitudeBitMask;
+                var significance = neighborsSignificance[index] & 127;
+                contextLabel = significance === 0 ? 15 : 14;
+              }
+
+              var bit = decoder.readBit(contexts, contextLabel);
+              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      runCleanupPass: function BitModel_runCleanupPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var neighborsSignificance = this.neighborsSignificance;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var oneRowDown = width;
+        var twoRowsDown = width * 2;
+        var threeRowsDown = width * 3;
+        var iNext;
+
+        for (var i0 = 0; i0 < height; i0 = iNext) {
+          iNext = Math.min(i0 + 4, height);
+          var indexBase = i0 * width;
+          var checkAllEmpty = i0 + 3 < height;
+
+          for (var j = 0; j < width; j++) {
+            var index0 = indexBase + j;
+            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
+            var i1 = 0,
+                index = index0;
+            var i = i0,
+                sign;
+
+            if (allEmpty) {
+              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
+
+              if (!hasSignificantCoefficent) {
+                bitsDecoded[index0]++;
+                bitsDecoded[index0 + oneRowDown]++;
+                bitsDecoded[index0 + twoRowsDown]++;
+                bitsDecoded[index0 + threeRowsDown]++;
+                continue;
+              }
+
+              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+              if (i1 !== 0) {
+                i = i0 + i1;
+                index += i1 * width;
+              }
+
+              sign = this.decodeSignBit(i, j, index);
+              coefficentsSign[index] = sign;
+              coefficentsMagnitude[index] = 1;
+              this.setNeighborsSignificance(i, j, index);
+              processingFlags[index] |= firstMagnitudeBitMask;
+              index = index0;
+
+              for (var i2 = i0; i2 <= i; i2++, index += width) {
+                bitsDecoded[index]++;
+              }
+
+              i1++;
+            }
+
+            for (i = i0 + i1; i < iNext; i++, index += width) {
+              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision === 1) {
+                sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+            }
+          }
+        }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var contexts = this.contexts;
+        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+        if (symbol !== 0xa) {
+          throw new JpxError("Invalid segmentation symbol");
+        }
+      }
+    };
+    return BitModel;
+  }();
+
+  var Transform = function TransformClosure() {
+    function Transform() {}
+
+    Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
+      var ll = subbands[0];
+
+      for (var i = 1, ii = subbands.length; i < ii; i++) {
+        ll = this.iterate(ll, subbands[i], u0, v0);
+      }
+
+      return ll;
+    };
+
+    Transform.prototype.extend = function extend(buffer, offset, size) {
+      var i1 = offset - 1,
+          j1 = offset + 1;
+      var i2 = offset + size - 2,
+          j2 = offset + size;
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1] = buffer[j1];
+      buffer[j2] = buffer[i2];
+    };
+
+    Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
+      var llWidth = ll.width,
+          llHeight = ll.height,
+          llItems = ll.items;
+      var width = hl_lh_hh.width;
+      var height = hl_lh_hh.height;
+      var items = hl_lh_hh.items;
+      var i, j, k, l, u, v;
+
+      for (k = 0, i = 0; i < llHeight; i++) {
+        l = i * 2 * width;
+
+        for (j = 0; j < llWidth; j++, k++, l += 2) {
+          items[l] = llItems[k];
+        }
+      }
+
+      llItems = ll.items = null;
+      var bufferPadding = 4;
+      var rowBuffer = new Float32Array(width + 2 * bufferPadding);
+
+      if (width === 1) {
+        if ((u0 & 1) !== 0) {
+          for (v = 0, k = 0; v < height; v++, k += width) {
+            items[k] *= 0.5;
+          }
+        }
+      } else {
+        for (v = 0, k = 0; v < height; v++, k += width) {
+          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
+          this.extend(rowBuffer, bufferPadding, width);
+          this.filter(rowBuffer, bufferPadding, width);
+          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
+        }
+      }
+
+      var numBuffers = 16;
+      var colBuffers = [];
+
+      for (i = 0; i < numBuffers; i++) {
+        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
+      }
+
+      var b,
+          currentBuffer = 0;
+      ll = bufferPadding + height;
+
+      if (height === 1) {
+        if ((v0 & 1) !== 0) {
+          for (u = 0; u < width; u++) {
+            items[u] *= 0.5;
+          }
+        }
+      } else {
+        for (u = 0; u < width; u++) {
+          if (currentBuffer === 0) {
+            numBuffers = Math.min(width - u, numBuffers);
+
+            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                colBuffers[b][l] = items[k + b];
+              }
+            }
+
+            currentBuffer = numBuffers;
+          }
+
+          currentBuffer--;
+          var buffer = colBuffers[currentBuffer];
+          this.extend(buffer, bufferPadding, height);
+          this.filter(buffer, bufferPadding, height);
+
+          if (currentBuffer === 0) {
+            k = u - numBuffers + 1;
+
+            for (l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                items[k + b] = colBuffers[b][l];
+              }
+            }
+          }
+        }
+      }
+
+      return {
+        width: width,
+        height: height,
+        items: items
+      };
+    };
+
+    return Transform;
+  }();
+
+  var IrreversibleTransform = function IrreversibleTransformClosure() {
+    function IrreversibleTransform() {
+      Transform.call(this);
+    }
+
+    IrreversibleTransform.prototype = Object.create(Transform.prototype);
+
+    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n, current, next;
+      var alpha = -1.586134342059924;
+      var beta = -0.052980118572961;
+      var gamma = 0.882911075530934;
+      var delta = 0.443506852043971;
+      var K = 1.230174104914001;
+      var K_ = 1 / K;
+      j = offset - 3;
+
+      for (n = len + 4; n--; j += 2) {
+        x[j] *= K_;
+      }
+
+      j = offset - 2;
+      current = delta * x[j - 1];
+
+      for (n = len + 3; n--; j += 2) {
+        next = delta * x[j + 1];
+        x[j] = K * x[j] - current - next;
+
+        if (n--) {
+          j += 2;
+          current = delta * x[j + 1];
+          x[j] = K * x[j] - current - next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset - 1;
+      current = gamma * x[j - 1];
+
+      for (n = len + 2; n--; j += 2) {
+        next = gamma * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = gamma * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset;
+      current = beta * x[j - 1];
+
+      for (n = len + 1; n--; j += 2) {
+        next = beta * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = beta * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      if (len !== 0) {
+        j = offset + 1;
+        current = alpha * x[j - 1];
+
+        for (n = len; n--; j += 2) {
+          next = alpha * x[j + 1];
+          x[j] -= current + next;
+
+          if (n--) {
+            j += 2;
+            current = alpha * x[j + 1];
+            x[j] -= current + next;
+          } else {
+            break;
+          }
+        }
+      }
+    };
+
+    return IrreversibleTransform;
+  }();
+
+  var ReversibleTransform = function ReversibleTransformClosure() {
+    function ReversibleTransform() {
+      Transform.call(this);
+    }
+
+    ReversibleTransform.prototype = Object.create(Transform.prototype);
+
+    ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n;
+
+      for (j = offset, n = len + 1; n--; j += 2) {
+        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
+      }
+
+      for (j = offset + 1, n = len; n--; j += 2) {
+        x[j] += x[j - 1] + x[j + 1] >> 1;
+      }
+    };
+
+    return ReversibleTransform;
+  }();
+
+  return JpxImage;
+}();
+
+exports.JpxImage = JpxImage;
+
+/***/ }),
+/* 219 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.calculateSHA512 = exports.calculateSHA384 = exports.calculateSHA256 = exports.calculateMD5 = exports.PDF20 = exports.PDF17 = exports.CipherTransformFactory = exports.ARCFourCipher = exports.AES256Cipher = exports.AES128Cipher = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _stream = __w_pdfjs_require__(209);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var ARCFourCipher = function ARCFourCipherClosure() {
+  function ARCFourCipher(key) {
+    this.a = 0;
+    this.b = 0;
+    var s = new Uint8Array(256);
+    var i,
+        j = 0,
+        tmp,
+        keyLength = key.length;
+
+    for (i = 0; i < 256; ++i) {
+      s[i] = i;
+    }
+
+    for (i = 0; i < 256; ++i) {
+      tmp = s[i];
+      j = j + tmp + key[i % keyLength] & 0xff;
+      s[i] = s[j];
+      s[j] = tmp;
+    }
+
+    this.s = s;
+  }
+
+  ARCFourCipher.prototype = {
+    encryptBlock: function ARCFourCipher_encryptBlock(data) {
+      var i,
+          n = data.length,
+          tmp,
+          tmp2;
+      var a = this.a,
+          b = this.b,
+          s = this.s;
+      var output = new Uint8Array(n);
+
+      for (i = 0; i < n; ++i) {
+        a = a + 1 & 0xff;
+        tmp = s[a];
+        b = b + tmp & 0xff;
+        tmp2 = s[b];
+        s[a] = tmp2;
+        s[b] = tmp;
+        output[i] = data[i] ^ s[tmp + tmp2 & 0xff];
+      }
+
+      this.a = a;
+      this.b = b;
+      return output;
+    }
+  };
+  ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;
+  ARCFourCipher.prototype.encrypt = ARCFourCipher.prototype.encryptBlock;
+  return ARCFourCipher;
+}();
+
+exports.ARCFourCipher = ARCFourCipher;
+
+var calculateMD5 = function calculateMD5Closure() {
+  var r = new Uint8Array([7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);
+  var k = new Int32Array([-680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, -145523070, -1120210379, 718787259, -343485551]);
+
+  function hash(data, offset, length) {
+    var h0 = 1732584193,
+        h1 = -271733879,
+        h2 = -1732584194,
+        h3 = 271733878;
+    var paddedLength = length + 72 & ~63;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = length << 3 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    var w = new Int32Array(16);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j, i += 4) {
+        w[j] = padded[i] | padded[i + 1] << 8 | padded[i + 2] << 16 | padded[i + 3] << 24;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          f,
+          g;
+
+      for (j = 0; j < 64; ++j) {
+        if (j < 16) {
+          f = b & c | ~b & d;
+          g = j;
+        } else if (j < 32) {
+          f = d & b | ~d & c;
+          g = 5 * j + 1 & 15;
+        } else if (j < 48) {
+          f = b ^ c ^ d;
+          g = 3 * j + 5 & 15;
+        } else {
+          f = c ^ (b | ~d);
+          g = 7 * j & 15;
+        }
+
+        var tmp = d,
+            rotateArg = a + f + k[j] + w[g] | 0,
+            rotate = r[j];
+        d = c;
+        c = b;
+        b = b + (rotateArg << rotate | rotateArg >>> 32 - rotate) | 0;
+        a = tmp;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+    }
+
+    return new Uint8Array([h0 & 0xFF, h0 >> 8 & 0xFF, h0 >> 16 & 0xFF, h0 >>> 24 & 0xFF, h1 & 0xFF, h1 >> 8 & 0xFF, h1 >> 16 & 0xFF, h1 >>> 24 & 0xFF, h2 & 0xFF, h2 >> 8 & 0xFF, h2 >> 16 & 0xFF, h2 >>> 24 & 0xFF, h3 & 0xFF, h3 >> 8 & 0xFF, h3 >> 16 & 0xFF, h3 >>> 24 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateMD5 = calculateMD5;
+
+var Word64 = function Word64Closure() {
+  function Word64(highInteger, lowInteger) {
+    this.high = highInteger | 0;
+    this.low = lowInteger | 0;
+  }
+
+  Word64.prototype = {
+    and: function Word64_and(word) {
+      this.high &= word.high;
+      this.low &= word.low;
+    },
+    xor: function Word64_xor(word) {
+      this.high ^= word.high;
+      this.low ^= word.low;
+    },
+    or: function Word64_or(word) {
+      this.high |= word.high;
+      this.low |= word.low;
+    },
+    shiftRight: function Word64_shiftRight(places) {
+      if (places >= 32) {
+        this.low = this.high >>> places - 32 | 0;
+        this.high = 0;
+      } else {
+        this.low = this.low >>> places | this.high << 32 - places;
+        this.high = this.high >>> places | 0;
+      }
+    },
+    shiftLeft: function Word64_shiftLeft(places) {
+      if (places >= 32) {
+        this.high = this.low << places - 32;
+        this.low = 0;
+      } else {
+        this.high = this.high << places | this.low >>> 32 - places;
+        this.low = this.low << places;
+      }
+    },
+    rotateRight: function Word64_rotateRight(places) {
+      var low, high;
+
+      if (places & 32) {
+        high = this.low;
+        low = this.high;
+      } else {
+        low = this.low;
+        high = this.high;
+      }
+
+      places &= 31;
+      this.low = low >>> places | high << 32 - places;
+      this.high = high >>> places | low << 32 - places;
+    },
+    not: function Word64_not() {
+      this.high = ~this.high;
+      this.low = ~this.low;
+    },
+    add: function Word64_add(word) {
+      var lowAdd = (this.low >>> 0) + (word.low >>> 0);
+      var highAdd = (this.high >>> 0) + (word.high >>> 0);
+
+      if (lowAdd > 0xffffffff) {
+        highAdd += 1;
+      }
+
+      this.low = lowAdd | 0;
+      this.high = highAdd | 0;
+    },
+    copyTo: function Word64_copyTo(bytes, offset) {
+      bytes[offset] = this.high >>> 24 & 0xff;
+      bytes[offset + 1] = this.high >> 16 & 0xff;
+      bytes[offset + 2] = this.high >> 8 & 0xff;
+      bytes[offset + 3] = this.high & 0xff;
+      bytes[offset + 4] = this.low >>> 24 & 0xff;
+      bytes[offset + 5] = this.low >> 16 & 0xff;
+      bytes[offset + 6] = this.low >> 8 & 0xff;
+      bytes[offset + 7] = this.low & 0xff;
+    },
+    assign: function Word64_assign(word) {
+      this.high = word.high;
+      this.low = word.low;
+    }
+  };
+  return Word64;
+}();
+
+var calculateSHA256 = function calculateSHA256Closure() {
+  function rotr(x, n) {
+    return x >>> n | x << 32 - n;
+  }
+
+  function ch(x, y, z) {
+    return x & y ^ ~x & z;
+  }
+
+  function maj(x, y, z) {
+    return x & y ^ x & z ^ y & z;
+  }
+
+  function sigma(x) {
+    return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22);
+  }
+
+  function sigmaPrime(x) {
+    return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25);
+  }
+
+  function littleSigma(x) {
+    return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3;
+  }
+
+  function littleSigmaPrime(x) {
+    return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10;
+  }
+
+  var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];
+
+  function hash(data, offset, length) {
+    var h0 = 0x6a09e667,
+        h1 = 0xbb67ae85,
+        h2 = 0x3c6ef372,
+        h3 = 0xa54ff53a,
+        h4 = 0x510e527f,
+        h5 = 0x9b05688c,
+        h6 = 0x1f83d9ab,
+        h7 = 0x5be0cd19;
+    var paddedLength = Math.ceil((length + 9) / 64) * 64;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Uint32Array(64);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j] = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        i += 4;
+      }
+
+      for (j = 16; j < 64; ++j) {
+        w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + littleSigma(w[j - 15]) + w[j - 16] | 0;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          e = h4,
+          f = h5,
+          g = h6,
+          h = h7,
+          t1,
+          t2;
+
+      for (j = 0; j < 64; ++j) {
+        t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j];
+        t2 = sigma(a) + maj(a, b, c);
+        h = g;
+        g = f;
+        f = e;
+        e = d + t1 | 0;
+        d = c;
+        c = b;
+        b = a;
+        a = t1 + t2 | 0;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+      h4 = h4 + e | 0;
+      h5 = h5 + f | 0;
+      h6 = h6 + g | 0;
+      h7 = h7 + h | 0;
+    }
+
+    return new Uint8Array([h0 >> 24 & 0xFF, h0 >> 16 & 0xFF, h0 >> 8 & 0xFF, h0 & 0xFF, h1 >> 24 & 0xFF, h1 >> 16 & 0xFF, h1 >> 8 & 0xFF, h1 & 0xFF, h2 >> 24 & 0xFF, h2 >> 16 & 0xFF, h2 >> 8 & 0xFF, h2 & 0xFF, h3 >> 24 & 0xFF, h3 >> 16 & 0xFF, h3 >> 8 & 0xFF, h3 & 0xFF, h4 >> 24 & 0xFF, h4 >> 16 & 0xFF, h4 >> 8 & 0xFF, h4 & 0xFF, h5 >> 24 & 0xFF, h5 >> 16 & 0xFF, h5 >> 8 & 0xFF, h5 & 0xFF, h6 >> 24 & 0xFF, h6 >> 16 & 0xFF, h6 >> 8 & 0xFF, h6 & 0xFF, h7 >> 24 & 0xFF, h7 >> 16 & 0xFF, h7 >> 8 & 0xFF, h7 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA256 = calculateSHA256;
+
+var calculateSHA512 = function calculateSHA512Closure() {
+  function ch(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.not();
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function maj(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.and(z);
+    result.xor(tmp);
+    tmp.assign(y);
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function sigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(28);
+    tmp.assign(x);
+    tmp.rotateRight(34);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(39);
+    result.xor(tmp);
+  }
+
+  function sigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(14);
+    tmp.assign(x);
+    tmp.rotateRight(18);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(41);
+    result.xor(tmp);
+  }
+
+  function littleSigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(1);
+    tmp.assign(x);
+    tmp.rotateRight(8);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(7);
+    result.xor(tmp);
+  }
+
+  function littleSigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(19);
+    tmp.assign(x);
+    tmp.rotateRight(61);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(6);
+    result.xor(tmp);
+  }
+
+  var k = [new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)];
+
+  function hash(data, offset, length, mode384) {
+    mode384 = !!mode384;
+    var h0, h1, h2, h3, h4, h5, h6, h7;
+
+    if (!mode384) {
+      h0 = new Word64(0x6a09e667, 0xf3bcc908);
+      h1 = new Word64(0xbb67ae85, 0x84caa73b);
+      h2 = new Word64(0x3c6ef372, 0xfe94f82b);
+      h3 = new Word64(0xa54ff53a, 0x5f1d36f1);
+      h4 = new Word64(0x510e527f, 0xade682d1);
+      h5 = new Word64(0x9b05688c, 0x2b3e6c1f);
+      h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);
+      h7 = new Word64(0x5be0cd19, 0x137e2179);
+    } else {
+      h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);
+      h1 = new Word64(0x629a292a, 0x367cd507);
+      h2 = new Word64(0x9159015a, 0x3070dd17);
+      h3 = new Word64(0x152fecd8, 0xf70e5939);
+      h4 = new Word64(0x67332667, 0xffc00b31);
+      h5 = new Word64(0x8eb44a87, 0x68581511);
+      h6 = new Word64(0xdb0c2e0d, 0x64f98fa7);
+      h7 = new Word64(0x47b5481d, 0xbefa4fa4);
+    }
+
+    var paddedLength = Math.ceil((length + 17) / 128) * 128;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 16;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Array(80);
+
+    for (i = 0; i < 80; i++) {
+      w[i] = new Word64(0, 0);
+    }
+
+    var a = new Word64(0, 0),
+        b = new Word64(0, 0),
+        c = new Word64(0, 0);
+    var d = new Word64(0, 0),
+        e = new Word64(0, 0),
+        f = new Word64(0, 0);
+    var g = new Word64(0, 0),
+        h = new Word64(0, 0);
+    var t1 = new Word64(0, 0),
+        t2 = new Word64(0, 0);
+    var tmp1 = new Word64(0, 0),
+        tmp2 = new Word64(0, 0),
+        tmp3;
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j].high = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        w[j].low = padded[i + 4] << 24 | padded[i + 5] << 16 | padded[i + 6] << 8 | padded[i + 7];
+        i += 8;
+      }
+
+      for (j = 16; j < 80; ++j) {
+        tmp3 = w[j];
+        littleSigmaPrime(tmp3, w[j - 2], tmp2);
+        tmp3.add(w[j - 7]);
+        littleSigma(tmp1, w[j - 15], tmp2);
+        tmp3.add(tmp1);
+        tmp3.add(w[j - 16]);
+      }
+
+      a.assign(h0);
+      b.assign(h1);
+      c.assign(h2);
+      d.assign(h3);
+      e.assign(h4);
+      f.assign(h5);
+      g.assign(h6);
+      h.assign(h7);
+
+      for (j = 0; j < 80; ++j) {
+        t1.assign(h);
+        sigmaPrime(tmp1, e, tmp2);
+        t1.add(tmp1);
+        ch(tmp1, e, f, g, tmp2);
+        t1.add(tmp1);
+        t1.add(k[j]);
+        t1.add(w[j]);
+        sigma(t2, a, tmp2);
+        maj(tmp1, a, b, c, tmp2);
+        t2.add(tmp1);
+        tmp3 = h;
+        h = g;
+        g = f;
+        f = e;
+        d.add(t1);
+        e = d;
+        d = c;
+        c = b;
+        b = a;
+        tmp3.assign(t1);
+        tmp3.add(t2);
+        a = tmp3;
+      }
+
+      h0.add(a);
+      h1.add(b);
+      h2.add(c);
+      h3.add(d);
+      h4.add(e);
+      h5.add(f);
+      h6.add(g);
+      h7.add(h);
+    }
+
+    var result;
+
+    if (!mode384) {
+      result = new Uint8Array(64);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+      h6.copyTo(result, 48);
+      h7.copyTo(result, 56);
+    } else {
+      result = new Uint8Array(48);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+    }
+
+    return result;
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA512 = calculateSHA512;
+
+var calculateSHA384 = function calculateSHA384Closure() {
+  function hash(data, offset, length) {
+    return calculateSHA512(data, offset, length, true);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA384 = calculateSHA384;
+
+var NullCipher = function NullCipherClosure() {
+  function NullCipher() {}
+
+  NullCipher.prototype = {
+    decryptBlock: function NullCipher_decryptBlock(data) {
+      return data;
+    },
+    encrypt: function NullCipher_encrypt(data) {
+      return data;
+    }
+  };
+  return NullCipher;
+}();
+
+var AESBaseCipher = /*#__PURE__*/function () {
+  function AESBaseCipher() {
+    _classCallCheck(this, AESBaseCipher);
+
+    if (this.constructor === AESBaseCipher) {
+      (0, _util.unreachable)("Cannot initialize AESBaseCipher.");
+    }
+
+    this._s = new Uint8Array([0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16]);
+    this._inv_s = new Uint8Array([0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d]);
+    this._mix = new Uint32Array([0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]);
+    this._mixCol = new Uint8Array(256);
+
+    for (var i = 0; i < 256; i++) {
+      if (i < 128) {
+        this._mixCol[i] = i << 1;
+      } else {
+        this._mixCol[i] = i << 1 ^ 0x1b;
+      }
+    }
+
+    this.buffer = new Uint8Array(16);
+    this.bufferPosition = 0;
+  }
+
+  _createClass(AESBaseCipher, [{
+    key: "_expandKey",
+    value: function _expandKey(cipherKey) {
+      (0, _util.unreachable)("Cannot call `_expandKey` on the base class");
+    }
+  }, {
+    key: "_decrypt",
+    value: function _decrypt(input, key) {
+      var t, u, v;
+      var state = new Uint8Array(16);
+      state.set(input);
+
+      for (var j = 0, k = this._keySize; j < 16; ++j, ++k) {
+        state[j] ^= key[k];
+      }
+
+      for (var i = this._cyclesOfRepetition - 1; i >= 1; --i) {
+        t = state[13];
+        state[13] = state[9];
+        state[9] = state[5];
+        state[5] = state[1];
+        state[1] = t;
+        t = state[14];
+        u = state[10];
+        state[14] = state[6];
+        state[10] = state[2];
+        state[6] = t;
+        state[2] = u;
+        t = state[15];
+        u = state[11];
+        v = state[7];
+        state[15] = state[3];
+        state[11] = t;
+        state[7] = u;
+        state[3] = v;
+
+        for (var _j = 0; _j < 16; ++_j) {
+          state[_j] = this._inv_s[state[_j]];
+        }
+
+        for (var _j2 = 0, _k = i * 16; _j2 < 16; ++_j2, ++_k) {
+          state[_j2] ^= key[_k];
+        }
+
+        for (var _j3 = 0; _j3 < 16; _j3 += 4) {
+          var s0 = this._mix[state[_j3]];
+          var s1 = this._mix[state[_j3 + 1]];
+          var s2 = this._mix[state[_j3 + 2]];
+          var s3 = this._mix[state[_j3 + 3]];
+          t = s0 ^ s1 >>> 8 ^ s1 << 24 ^ s2 >>> 16 ^ s2 << 16 ^ s3 >>> 24 ^ s3 << 8;
+          state[_j3] = t >>> 24 & 0xff;
+          state[_j3 + 1] = t >> 16 & 0xff;
+          state[_j3 + 2] = t >> 8 & 0xff;
+          state[_j3 + 3] = t & 0xff;
+        }
+      }
+
+      t = state[13];
+      state[13] = state[9];
+      state[9] = state[5];
+      state[5] = state[1];
+      state[1] = t;
+      t = state[14];
+      u = state[10];
+      state[14] = state[6];
+      state[10] = state[2];
+      state[6] = t;
+      state[2] = u;
+      t = state[15];
+      u = state[11];
+      v = state[7];
+      state[15] = state[3];
+      state[11] = t;
+      state[7] = u;
+      state[3] = v;
+
+      for (var _j4 = 0; _j4 < 16; ++_j4) {
+        state[_j4] = this._inv_s[state[_j4]];
+        state[_j4] ^= key[_j4];
+      }
+
+      return state;
+    }
+  }, {
+    key: "_encrypt",
+    value: function _encrypt(input, key) {
+      var s = this._s;
+      var t, u, v;
+      var state = new Uint8Array(16);
+      state.set(input);
+
+      for (var j = 0; j < 16; ++j) {
+        state[j] ^= key[j];
+      }
+
+      for (var i = 1; i < this._cyclesOfRepetition; i++) {
+        for (var _j5 = 0; _j5 < 16; ++_j5) {
+          state[_j5] = s[state[_j5]];
+        }
+
+        v = state[1];
+        state[1] = state[5];
+        state[5] = state[9];
+        state[9] = state[13];
+        state[13] = v;
+        v = state[2];
+        u = state[6];
+        state[2] = state[10];
+        state[6] = state[14];
+        state[10] = v;
+        state[14] = u;
+        v = state[3];
+        u = state[7];
+        t = state[11];
+        state[3] = state[15];
+        state[7] = v;
+        state[11] = u;
+        state[15] = t;
+
+        for (var _j6 = 0; _j6 < 16; _j6 += 4) {
+          var s0 = state[_j6 + 0];
+          var s1 = state[_j6 + 1];
+          var s2 = state[_j6 + 2];
+          var s3 = state[_j6 + 3];
+          t = s0 ^ s1 ^ s2 ^ s3;
+          state[_j6 + 0] ^= t ^ this._mixCol[s0 ^ s1];
+          state[_j6 + 1] ^= t ^ this._mixCol[s1 ^ s2];
+          state[_j6 + 2] ^= t ^ this._mixCol[s2 ^ s3];
+          state[_j6 + 3] ^= t ^ this._mixCol[s3 ^ s0];
+        }
+
+        for (var _j7 = 0, k = i * 16; _j7 < 16; ++_j7, ++k) {
+          state[_j7] ^= key[k];
+        }
+      }
+
+      for (var _j8 = 0; _j8 < 16; ++_j8) {
+        state[_j8] = s[state[_j8]];
+      }
+
+      v = state[1];
+      state[1] = state[5];
+      state[5] = state[9];
+      state[9] = state[13];
+      state[13] = v;
+      v = state[2];
+      u = state[6];
+      state[2] = state[10];
+      state[6] = state[14];
+      state[10] = v;
+      state[14] = u;
+      v = state[3];
+      u = state[7];
+      t = state[11];
+      state[3] = state[15];
+      state[7] = v;
+      state[11] = u;
+      state[15] = t;
+
+      for (var _j9 = 0, _k2 = this._keySize; _j9 < 16; ++_j9, ++_k2) {
+        state[_j9] ^= key[_k2];
+      }
+
+      return state;
+    }
+  }, {
+    key: "_decryptBlock2",
+    value: function _decryptBlock2(data, finalize) {
+      var sourceLength = data.length;
+      var buffer = this.buffer,
+          bufferLength = this.bufferPosition;
+      var result = [];
+      var iv = this.iv;
+
+      for (var i = 0; i < sourceLength; ++i) {
+        buffer[bufferLength] = data[i];
+        ++bufferLength;
+
+        if (bufferLength < 16) {
+          continue;
+        }
+
+        var plain = this._decrypt(buffer, this._key);
+
+        for (var j = 0; j < 16; ++j) {
+          plain[j] ^= iv[j];
+        }
+
+        iv = buffer;
+        result.push(plain);
+        buffer = new Uint8Array(16);
+        bufferLength = 0;
+      }
+
+      this.buffer = buffer;
+      this.bufferLength = bufferLength;
+      this.iv = iv;
+
+      if (result.length === 0) {
+        return new Uint8Array(0);
+      }
+
+      var outputLength = 16 * result.length;
+
+      if (finalize) {
+        var lastBlock = result[result.length - 1];
+        var psLen = lastBlock[15];
+
+        if (psLen <= 16) {
+          for (var _i = 15, ii = 16 - psLen; _i >= ii; --_i) {
+            if (lastBlock[_i] !== psLen) {
+              psLen = 0;
+              break;
+            }
+          }
+
+          outputLength -= psLen;
+          result[result.length - 1] = lastBlock.subarray(0, 16 - psLen);
+        }
+      }
+
+      var output = new Uint8Array(outputLength);
+
+      for (var _i2 = 0, _j10 = 0, _ii = result.length; _i2 < _ii; ++_i2, _j10 += 16) {
+        output.set(result[_i2], _j10);
+      }
+
+      return output;
+    }
+  }, {
+    key: "decryptBlock",
+    value: function decryptBlock(data, finalize) {
+      var iv = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var sourceLength = data.length;
+      var buffer = this.buffer;
+      var bufferLength = this.bufferPosition;
+
+      if (iv) {
+        this.iv = iv;
+      } else {
+        for (var i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) {
+          buffer[bufferLength] = data[i];
+        }
+
+        if (bufferLength < 16) {
+          this.bufferLength = bufferLength;
+          return new Uint8Array(0);
+        }
+
+        this.iv = buffer;
+        data = data.subarray(16);
+      }
+
+      this.buffer = new Uint8Array(16);
+      this.bufferLength = 0;
+      this.decryptBlock = this._decryptBlock2;
+      return this.decryptBlock(data, finalize);
+    }
+  }, {
+    key: "encrypt",
+    value: function encrypt(data, iv) {
+      var sourceLength = data.length;
+      var buffer = this.buffer,
+          bufferLength = this.bufferPosition;
+      var result = [];
+
+      if (!iv) {
+        iv = new Uint8Array(16);
+      }
+
+      for (var i = 0; i < sourceLength; ++i) {
+        buffer[bufferLength] = data[i];
+        ++bufferLength;
+
+        if (bufferLength < 16) {
+          continue;
+        }
+
+        for (var j = 0; j < 16; ++j) {
+          buffer[j] ^= iv[j];
+        }
+
+        var cipher = this._encrypt(buffer, this._key);
+
+        iv = cipher;
+        result.push(cipher);
+        buffer = new Uint8Array(16);
+        bufferLength = 0;
+      }
+
+      this.buffer = buffer;
+      this.bufferLength = bufferLength;
+      this.iv = iv;
+
+      if (result.length === 0) {
+        return new Uint8Array(0);
+      }
+
+      var outputLength = 16 * result.length;
+      var output = new Uint8Array(outputLength);
+
+      for (var _i3 = 0, _j11 = 0, ii = result.length; _i3 < ii; ++_i3, _j11 += 16) {
+        output.set(result[_i3], _j11);
+      }
+
+      return output;
+    }
+  }]);
+
+  return AESBaseCipher;
+}();
+
+var AES128Cipher = /*#__PURE__*/function (_AESBaseCipher) {
+  _inherits(AES128Cipher, _AESBaseCipher);
+
+  var _super = _createSuper(AES128Cipher);
+
+  function AES128Cipher(key) {
+    var _this;
+
+    _classCallCheck(this, AES128Cipher);
+
+    _this = _super.call(this);
+    _this._cyclesOfRepetition = 10;
+    _this._keySize = 160;
+    _this._rcon = new Uint8Array([0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d]);
+    _this._key = _this._expandKey(key);
+    return _this;
+  }
+
+  _createClass(AES128Cipher, [{
+    key: "_expandKey",
+    value: function _expandKey(cipherKey) {
+      var b = 176;
+      var s = this._s;
+      var rcon = this._rcon;
+      var result = new Uint8Array(b);
+      result.set(cipherKey);
+
+      for (var j = 16, i = 1; j < b; ++i) {
+        var t1 = result[j - 3];
+        var t2 = result[j - 2];
+        var t3 = result[j - 1];
+        var t4 = result[j - 4];
+        t1 = s[t1];
+        t2 = s[t2];
+        t3 = s[t3];
+        t4 = s[t4];
+        t1 = t1 ^ rcon[i];
+
+        for (var n = 0; n < 4; ++n) {
+          result[j] = t1 ^= result[j - 16];
+          j++;
+          result[j] = t2 ^= result[j - 16];
+          j++;
+          result[j] = t3 ^= result[j - 16];
+          j++;
+          result[j] = t4 ^= result[j - 16];
+          j++;
+        }
+      }
+
+      return result;
+    }
+  }]);
+
+  return AES128Cipher;
+}(AESBaseCipher);
+
+exports.AES128Cipher = AES128Cipher;
+
+var AES256Cipher = /*#__PURE__*/function (_AESBaseCipher2) {
+  _inherits(AES256Cipher, _AESBaseCipher2);
+
+  var _super2 = _createSuper(AES256Cipher);
+
+  function AES256Cipher(key) {
+    var _this2;
+
+    _classCallCheck(this, AES256Cipher);
+
+    _this2 = _super2.call(this);
+    _this2._cyclesOfRepetition = 14;
+    _this2._keySize = 224;
+    _this2._key = _this2._expandKey(key);
+    return _this2;
+  }
+
+  _createClass(AES256Cipher, [{
+    key: "_expandKey",
+    value: function _expandKey(cipherKey) {
+      var b = 240;
+      var s = this._s;
+      var result = new Uint8Array(b);
+      result.set(cipherKey);
+      var r = 1;
+      var t1, t2, t3, t4;
+
+      for (var j = 32, i = 1; j < b; ++i) {
+        if (j % 32 === 16) {
+          t1 = s[t1];
+          t2 = s[t2];
+          t3 = s[t3];
+          t4 = s[t4];
+        } else if (j % 32 === 0) {
+          t1 = result[j - 3];
+          t2 = result[j - 2];
+          t3 = result[j - 1];
+          t4 = result[j - 4];
+          t1 = s[t1];
+          t2 = s[t2];
+          t3 = s[t3];
+          t4 = s[t4];
+          t1 = t1 ^ r;
+
+          if ((r <<= 1) >= 256) {
+            r = (r ^ 0x1b) & 0xff;
+          }
+        }
+
+        for (var n = 0; n < 4; ++n) {
+          result[j] = t1 ^= result[j - 32];
+          j++;
+          result[j] = t2 ^= result[j - 32];
+          j++;
+          result[j] = t3 ^= result[j - 32];
+          j++;
+          result[j] = t4 ^= result[j - 32];
+          j++;
+        }
+      }
+
+      return result;
+    }
+  }]);
+
+  return AES256Cipher;
+}(AESBaseCipher);
+
+exports.AES256Cipher = AES256Cipher;
+
+var PDF17 = function PDF17Closure() {
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function PDF17() {}
+
+  PDF17.prototype = {
+    checkOwnerPassword: function PDF17_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF17_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF17_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF17;
+}();
+
+exports.PDF17 = PDF17;
+
+var PDF20 = function PDF20Closure() {
+  function concatArrays(array1, array2) {
+    var t = new Uint8Array(array1.length + array2.length);
+    t.set(array1, 0);
+    t.set(array2, array1.length);
+    return t;
+  }
+
+  function calculatePDF20Hash(password, input, userBytes) {
+    var k = calculateSHA256(input, 0, input.length).subarray(0, 32);
+    var e = [0];
+    var i = 0;
+
+    while (i < 64 || e[e.length - 1] > i - 32) {
+      var arrayLength = password.length + k.length + userBytes.length;
+      var k1 = new Uint8Array(arrayLength * 64);
+      var array = concatArrays(password, k);
+      array = concatArrays(array, userBytes);
+
+      for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {
+        k1.set(array, pos);
+      }
+
+      var cipher = new AES128Cipher(k.subarray(0, 16));
+      e = cipher.encrypt(k1, k.subarray(16, 32));
+      var remainder = 0;
+
+      for (var z = 0; z < 16; z++) {
+        remainder *= 256 % 3;
+        remainder %= 3;
+        remainder += (e[z] >>> 0) % 3;
+        remainder %= 3;
+      }
+
+      if (remainder === 0) {
+        k = calculateSHA256(e, 0, e.length);
+      } else if (remainder === 1) {
+        k = calculateSHA384(e, 0, e.length);
+      } else if (remainder === 2) {
+        k = calculateSHA512(e, 0, e.length);
+      }
+
+      i++;
+    }
+
+    return k.subarray(0, 32);
+  }
+
+  function PDF20() {}
+
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  PDF20.prototype = {
+    hash: function PDF20_hash(password, concatBytes, userBytes) {
+      return calculatePDF20Hash(password, concatBytes, userBytes);
+    },
+    checkOwnerPassword: function PDF20_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculatePDF20Hash(password, hashData, userBytes);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF20_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculatePDF20Hash(password, hashData, []);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculatePDF20Hash(password, hashData, userBytes);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF20_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculatePDF20Hash(password, hashData, []);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF20;
+}();
+
+exports.PDF20 = PDF20;
+
+var CipherTransform = function CipherTransformClosure() {
+  function CipherTransform(stringCipherConstructor, streamCipherConstructor) {
+    this.StringCipherConstructor = stringCipherConstructor;
+    this.StreamCipherConstructor = streamCipherConstructor;
+  }
+
+  CipherTransform.prototype = {
+    createStream: function CipherTransform_createStream(stream, length) {
+      var cipher = new this.StreamCipherConstructor();
+      return new _stream.DecryptStream(stream, length, function cipherTransformDecryptStream(data, finalize) {
+        return cipher.decryptBlock(data, finalize);
+      });
+    },
+    decryptString: function CipherTransform_decryptString(s) {
+      var cipher = new this.StringCipherConstructor();
+      var data = (0, _util.stringToBytes)(s);
+      data = cipher.decryptBlock(data, true);
+      return (0, _util.bytesToString)(data);
+    },
+    encryptString: function CipherTransform_encryptString(s) {
+      var cipher = new this.StringCipherConstructor();
+
+      if (cipher instanceof AESBaseCipher) {
+        var strLen = s.length;
+        var pad = 16 - strLen % 16;
+
+        if (pad !== 16) {
+          s = s.padEnd(16 * Math.ceil(strLen / 16), String.fromCharCode(pad));
+        }
+
+        var iv = new Uint8Array(16);
+
+        if (typeof crypto !== "undefined") {
+          crypto.getRandomValues(iv);
+        } else {
+          for (var i = 0; i < 16; i++) {
+            iv[i] = Math.floor(256 * Math.random());
+          }
+        }
+
+        var _data = (0, _util.stringToBytes)(s);
+
+        _data = cipher.encrypt(_data, iv);
+        var buf = new Uint8Array(16 + _data.length);
+        buf.set(iv);
+        buf.set(_data, 16);
+        return (0, _util.bytesToString)(buf);
+      }
+
+      var data = (0, _util.stringToBytes)(s);
+      data = cipher.encrypt(data);
+      return (0, _util.bytesToString)(data);
+    }
+  };
+  return CipherTransform;
+}();
+
+var CipherTransformFactory = function CipherTransformFactoryClosure() {
+  var defaultPasswordBytes = new Uint8Array([0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
+
+  function createEncryptionKey20(revision, password, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms) {
+    if (password) {
+      var passwordLength = Math.min(127, password.length);
+      password = password.subarray(0, passwordLength);
+    } else {
+      password = [];
+    }
+
+    var pdfAlgorithm;
+
+    if (revision === 6) {
+      pdfAlgorithm = new PDF20();
+    } else {
+      pdfAlgorithm = new PDF17();
+    }
+
+    if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)) {
+      return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);
+    } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, uBytes, ownerPassword)) {
+      return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);
+    }
+
+    return null;
+  }
+
+  function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata) {
+    var hashDataSize = 40 + ownerPassword.length + fileId.length;
+    var hashData = new Uint8Array(hashDataSize),
+        i = 0,
+        j,
+        n;
+
+    if (password) {
+      n = Math.min(32, password.length);
+
+      for (; i < n; ++i) {
+        hashData[i] = password[i];
+      }
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    for (j = 0, n = ownerPassword.length; j < n; ++j) {
+      hashData[i++] = ownerPassword[j];
+    }
+
+    hashData[i++] = flags & 0xff;
+    hashData[i++] = flags >> 8 & 0xff;
+    hashData[i++] = flags >> 16 & 0xff;
+    hashData[i++] = flags >>> 24 & 0xff;
+
+    for (j = 0, n = fileId.length; j < n; ++j) {
+      hashData[i++] = fileId[j];
+    }
+
+    if (revision >= 4 && !encryptMetadata) {
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, keyLengthInBytes);
+      }
+    }
+
+    var encryptionKey = hash.subarray(0, keyLengthInBytes);
+    var cipher, checkData;
+
+    if (revision >= 3) {
+      for (i = 0; i < 32; ++i) {
+        hashData[i] = defaultPasswordBytes[i];
+      }
+
+      for (j = 0, n = fileId.length; j < n; ++j) {
+        hashData[i++] = fileId[j];
+      }
+
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));
+      n = encryptionKey.length;
+      var derivedKey = new Uint8Array(n),
+          k;
+
+      for (j = 1; j <= 19; ++j) {
+        for (k = 0; k < n; ++k) {
+          derivedKey[k] = encryptionKey[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        checkData = cipher.encryptBlock(checkData);
+      }
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    } else {
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(defaultPasswordBytes);
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    }
+
+    return encryptionKey;
+  }
+
+  function decodeUserPassword(password, ownerPassword, revision, keyLength) {
+    var hashData = new Uint8Array(32),
+        i = 0,
+        j,
+        n;
+    n = Math.min(32, password.length);
+
+    for (; i < n; ++i) {
+      hashData[i] = password[i];
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, hash.length);
+      }
+    }
+
+    var cipher, userPassword;
+
+    if (revision >= 3) {
+      userPassword = ownerPassword;
+      var derivedKey = new Uint8Array(keyLengthInBytes),
+          k;
+
+      for (j = 19; j >= 0; j--) {
+        for (k = 0; k < keyLengthInBytes; ++k) {
+          derivedKey[k] = hash[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        userPassword = cipher.encryptBlock(userPassword);
+      }
+    } else {
+      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));
+      userPassword = cipher.encryptBlock(ownerPassword);
+    }
+
+    return userPassword;
+  }
+
+  var identityName = _primitives.Name.get("Identity");
+
+  function CipherTransformFactory(dict, fileId, password) {
+    var filter = dict.get("Filter");
+
+    if (!(0, _primitives.isName)(filter, "Standard")) {
+      throw new _util.FormatError("unknown encryption method");
+    }
+
+    this.dict = dict;
+    var algorithm = dict.get("V");
+
+    if (!Number.isInteger(algorithm) || algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5) {
+      throw new _util.FormatError("unsupported encryption algorithm");
+    }
+
+    this.algorithm = algorithm;
+    var keyLength = dict.get("Length");
+
+    if (!keyLength) {
+      if (algorithm <= 3) {
+        keyLength = 40;
+      } else {
+        var cfDict = dict.get("CF");
+        var streamCryptoName = dict.get("StmF");
+
+        if ((0, _primitives.isDict)(cfDict) && (0, _primitives.isName)(streamCryptoName)) {
+          cfDict.suppressEncryption = true;
+          var handlerDict = cfDict.get(streamCryptoName.name);
+          keyLength = handlerDict && handlerDict.get("Length") || 128;
+
+          if (keyLength < 40) {
+            keyLength <<= 3;
+          }
+        }
+      }
+    }
+
+    if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {
+      throw new _util.FormatError("invalid key length");
+    }
+
+    var ownerPassword = (0, _util.stringToBytes)(dict.get("O")).subarray(0, 32);
+    var userPassword = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 32);
+    var flags = dict.get("P");
+    var revision = dict.get("R");
+    var encryptMetadata = (algorithm === 4 || algorithm === 5) && dict.get("EncryptMetadata") !== false;
+    this.encryptMetadata = encryptMetadata;
+    var fileIdBytes = (0, _util.stringToBytes)(fileId);
+    var passwordBytes;
+
+    if (password) {
+      if (revision === 6) {
+        try {
+          password = (0, _util.utf8StringToString)(password);
+        } catch (ex) {
+          (0, _util.warn)("CipherTransformFactory: " + "Unable to convert UTF8 encoded password.");
+        }
+      }
+
+      passwordBytes = (0, _util.stringToBytes)(password);
+    }
+
+    var encryptionKey;
+
+    if (algorithm !== 5) {
+      encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    } else {
+      var ownerValidationSalt = (0, _util.stringToBytes)(dict.get("O")).subarray(32, 40);
+      var ownerKeySalt = (0, _util.stringToBytes)(dict.get("O")).subarray(40, 48);
+      var uBytes = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 48);
+      var userValidationSalt = (0, _util.stringToBytes)(dict.get("U")).subarray(32, 40);
+      var userKeySalt = (0, _util.stringToBytes)(dict.get("U")).subarray(40, 48);
+      var ownerEncryption = (0, _util.stringToBytes)(dict.get("OE"));
+      var userEncryption = (0, _util.stringToBytes)(dict.get("UE"));
+      var perms = (0, _util.stringToBytes)(dict.get("Perms"));
+      encryptionKey = createEncryptionKey20(revision, passwordBytes, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms);
+    }
+
+    if (!encryptionKey && !password) {
+      throw new _util.PasswordException("No password given", _util.PasswordResponses.NEED_PASSWORD);
+    } else if (!encryptionKey && password) {
+      var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, revision, keyLength);
+      encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    }
+
+    if (!encryptionKey) {
+      throw new _util.PasswordException("Incorrect Password", _util.PasswordResponses.INCORRECT_PASSWORD);
+    }
+
+    this.encryptionKey = encryptionKey;
+
+    if (algorithm >= 4) {
+      var cf = dict.get("CF");
+
+      if ((0, _primitives.isDict)(cf)) {
+        cf.suppressEncryption = true;
+      }
+
+      this.cf = cf;
+      this.stmf = dict.get("StmF") || identityName;
+      this.strf = dict.get("StrF") || identityName;
+      this.eff = dict.get("EFF") || this.stmf;
+    }
+  }
+
+  function buildObjectKey(num, gen, encryptionKey, isAes) {
+    var key = new Uint8Array(encryptionKey.length + 9),
+        i,
+        n;
+
+    for (i = 0, n = encryptionKey.length; i < n; ++i) {
+      key[i] = encryptionKey[i];
+    }
+
+    key[i++] = num & 0xff;
+    key[i++] = num >> 8 & 0xff;
+    key[i++] = num >> 16 & 0xff;
+    key[i++] = gen & 0xff;
+    key[i++] = gen >> 8 & 0xff;
+
+    if (isAes) {
+      key[i++] = 0x73;
+      key[i++] = 0x41;
+      key[i++] = 0x6c;
+      key[i++] = 0x54;
+    }
+
+    var hash = calculateMD5(key, 0, i);
+    return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));
+  }
+
+  function buildCipherConstructor(cf, name, num, gen, key) {
+    if (!(0, _primitives.isName)(name)) {
+      throw new _util.FormatError("Invalid crypt filter name.");
+    }
+
+    var cryptFilter = cf.get(name.name);
+    var cfm;
+
+    if (cryptFilter !== null && cryptFilter !== undefined) {
+      cfm = cryptFilter.get("CFM");
+    }
+
+    if (!cfm || cfm.name === "None") {
+      return function cipherTransformFactoryBuildCipherConstructorNone() {
+        return new NullCipher();
+      };
+    }
+
+    if (cfm.name === "V2") {
+      return function cipherTransformFactoryBuildCipherConstructorV2() {
+        return new ARCFourCipher(buildObjectKey(num, gen, key, false));
+      };
+    }
+
+    if (cfm.name === "AESV2") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV2() {
+        return new AES128Cipher(buildObjectKey(num, gen, key, true));
+      };
+    }
+
+    if (cfm.name === "AESV3") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV3() {
+        return new AES256Cipher(key);
+      };
+    }
+
+    throw new _util.FormatError("Unknown crypto method");
+  }
+
+  CipherTransformFactory.prototype = {
+    createCipherTransform: function CipherTransformFactory_createCipherTransform(num, gen) {
+      if (this.algorithm === 4 || this.algorithm === 5) {
+        return new CipherTransform(buildCipherConstructor(this.cf, this.stmf, num, gen, this.encryptionKey), buildCipherConstructor(this.cf, this.strf, num, gen, this.encryptionKey));
+      }
+
+      var key = buildObjectKey(num, gen, this.encryptionKey, false);
+
+      var cipherConstructor = function buildCipherCipherConstructor() {
+        return new ARCFourCipher(key);
+      };
+
+      return new CipherTransform(cipherConstructor, cipherConstructor);
+    }
+  };
+  return CipherTransformFactory;
+}();
+
+exports.CipherTransformFactory = CipherTransformFactory;
+
+/***/ }),
+/* 220 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ColorSpace = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function resizeRgbImage(src, dest, w1, h1, w2, h2, alpha01) {
+  var COMPONENTS = 3;
+  alpha01 = alpha01 !== 1 ? 0 : alpha01;
+  var xRatio = w1 / w2;
+  var yRatio = h1 / h2;
+  var newIndex = 0,
+      oldIndex;
+  var xScaled = new Uint16Array(w2);
+  var w1Scanline = w1 * COMPONENTS;
+
+  for (var i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio) * COMPONENTS;
+  }
+
+  for (var _i = 0; _i < h2; _i++) {
+    var py = Math.floor(_i * yRatio) * w1Scanline;
+
+    for (var j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      newIndex += alpha01;
+    }
+  }
+}
+
+var ColorSpace = /*#__PURE__*/function () {
+  function ColorSpace(name, numComps) {
+    _classCallCheck(this, ColorSpace);
+
+    if (this.constructor === ColorSpace) {
+      (0, _util.unreachable)("Cannot initialize ColorSpace.");
+    }
+
+    this.name = name;
+    this.numComps = numComps;
+  }
+
+  _createClass(ColorSpace, [{
+    key: "getRgb",
+    value: function getRgb(src, srcOffset) {
+      var rgb = new Uint8ClampedArray(3);
+      this.getRgbItem(src, srcOffset, rgb, 0);
+      return rgb;
+    }
+  }, {
+    key: "getRgbItem",
+    value: function getRgbItem(src, srcOffset, dest, destOffset) {
+      (0, _util.unreachable)("Should not call ColorSpace.getRgbItem");
+    }
+  }, {
+    key: "getRgbBuffer",
+    value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      (0, _util.unreachable)("Should not call ColorSpace.getRgbBuffer");
+    }
+  }, {
+    key: "getOutputLength",
+    value: function getOutputLength(inputLength, alpha01) {
+      (0, _util.unreachable)("Should not call ColorSpace.getOutputLength");
+    }
+  }, {
+    key: "isPassthrough",
+    value: function isPassthrough(bits) {
+      return false;
+    }
+  }, {
+    key: "isDefaultDecode",
+    value: function isDefaultDecode(decodeMap, bpc) {
+      return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
+    }
+  }, {
+    key: "fillRgb",
+    value: function fillRgb(dest, originalWidth, originalHeight, width, height, actualHeight, bpc, comps, alpha01) {
+      var count = originalWidth * originalHeight;
+      var rgbBuf = null;
+      var numComponentColors = 1 << bpc;
+      var needsResizing = originalHeight !== height || originalWidth !== width;
+
+      if (this.isPassthrough(bpc)) {
+        rgbBuf = comps;
+      } else if (this.numComps === 1 && count > numComponentColors && this.name !== "DeviceGray" && this.name !== "DeviceRGB") {
+        var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : new Uint16Array(numComponentColors);
+
+        for (var i = 0; i < numComponentColors; i++) {
+          allColors[i] = i;
+        }
+
+        var colorMap = new Uint8ClampedArray(numComponentColors * 3);
+        this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, 0);
+
+        if (!needsResizing) {
+          var destPos = 0;
+
+          for (var _i2 = 0; _i2 < count; ++_i2) {
+            var key = comps[_i2] * 3;
+            dest[destPos++] = colorMap[key];
+            dest[destPos++] = colorMap[key + 1];
+            dest[destPos++] = colorMap[key + 2];
+            destPos += alpha01;
+          }
+        } else {
+          rgbBuf = new Uint8Array(count * 3);
+          var rgbPos = 0;
+
+          for (var _i3 = 0; _i3 < count; ++_i3) {
+            var _key = comps[_i3] * 3;
+
+            rgbBuf[rgbPos++] = colorMap[_key];
+            rgbBuf[rgbPos++] = colorMap[_key + 1];
+            rgbBuf[rgbPos++] = colorMap[_key + 2];
+          }
+        }
+      } else {
+        if (!needsResizing) {
+          this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, alpha01);
+        } else {
+          rgbBuf = new Uint8ClampedArray(count * 3);
+          this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, 0);
+        }
+      }
+
+      if (rgbBuf) {
+        if (needsResizing) {
+          resizeRgbImage(rgbBuf, dest, originalWidth, originalHeight, width, height, alpha01);
+        } else {
+          var _destPos = 0,
+              _rgbPos = 0;
+
+          for (var _i4 = 0, ii = width * actualHeight; _i4 < ii; _i4++) {
+            dest[_destPos++] = rgbBuf[_rgbPos++];
+            dest[_destPos++] = rgbBuf[_rgbPos++];
+            dest[_destPos++] = rgbBuf[_rgbPos++];
+            _destPos += alpha01;
+          }
+        }
+      }
+    }
+  }, {
+    key: "usesZeroToOneRange",
+    get: function get() {
+      return (0, _util.shadow)(this, "usesZeroToOneRange", true);
+    }
+  }], [{
+    key: "_cache",
+    value: function _cache(cacheKey, xref, localColorSpaceCache, parsedColorSpace) {
+      if (!localColorSpaceCache) {
+        throw new Error('ColorSpace._cache - expected "localColorSpaceCache" argument.');
+      }
+
+      if (!parsedColorSpace) {
+        throw new Error('ColorSpace._cache - expected "parsedColorSpace" argument.');
+      }
+
+      var csName, csRef;
+
+      if (cacheKey instanceof _primitives.Ref) {
+        csRef = cacheKey;
+        cacheKey = xref.fetch(cacheKey);
+      }
+
+      if (cacheKey instanceof _primitives.Name) {
+        csName = cacheKey.name;
+      }
+
+      if (csName || csRef) {
+        localColorSpaceCache.set(csName, csRef, parsedColorSpace);
+      }
+    }
+  }, {
+    key: "getCached",
+    value: function getCached(cacheKey, xref, localColorSpaceCache) {
+      if (!localColorSpaceCache) {
+        throw new Error('ColorSpace.getCached - expected "localColorSpaceCache" argument.');
+      }
+
+      if (cacheKey instanceof _primitives.Ref) {
+        var localColorSpace = localColorSpaceCache.getByRef(cacheKey);
+
+        if (localColorSpace) {
+          return localColorSpace;
+        }
+
+        try {
+          cacheKey = xref.fetch(cacheKey);
+        } catch (ex) {
+          if (ex instanceof _core_utils.MissingDataException) {
+            throw ex;
+          }
+        }
+      }
+
+      if (cacheKey instanceof _primitives.Name) {
+        var _localColorSpace = localColorSpaceCache.getByName(cacheKey.name);
+
+        if (_localColorSpace) {
+          return _localColorSpace;
+        }
+      }
+
+      return null;
+    }
+  }, {
+    key: "parseAsync",
+    value: function () {
+      var _parseAsync = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(_ref) {
+        var cs, xref, _ref$resources, resources, pdfFunctionFactory, localColorSpaceCache, parsedColorSpace;
+
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                cs = _ref.cs, xref = _ref.xref, _ref$resources = _ref.resources, resources = _ref$resources === void 0 ? null : _ref$resources, pdfFunctionFactory = _ref.pdfFunctionFactory, localColorSpaceCache = _ref.localColorSpaceCache;
+                parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+                this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+                return _context.abrupt("return", parsedColorSpace);
+
+              case 4:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function parseAsync(_x) {
+        return _parseAsync.apply(this, arguments);
+      }
+
+      return parseAsync;
+    }()
+  }, {
+    key: "parse",
+    value: function parse(_ref2) {
+      var cs = _ref2.cs,
+          xref = _ref2.xref,
+          _ref2$resources = _ref2.resources,
+          resources = _ref2$resources === void 0 ? null : _ref2$resources,
+          pdfFunctionFactory = _ref2.pdfFunctionFactory,
+          localColorSpaceCache = _ref2.localColorSpaceCache;
+      var cachedColorSpace = this.getCached(cs, xref, localColorSpaceCache);
+
+      if (cachedColorSpace) {
+        return cachedColorSpace;
+      }
+
+      var parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+      this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+      return parsedColorSpace;
+    }
+  }, {
+    key: "_parse",
+    value: function _parse(cs, xref) {
+      var resources = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var pdfFunctionFactory = arguments.length > 3 ? arguments[3] : undefined;
+      cs = xref.fetchIfRef(cs);
+
+      if ((0, _primitives.isName)(cs)) {
+        switch (cs.name) {
+          case "DeviceGray":
+          case "G":
+            return this.singletons.gray;
+
+          case "DeviceRGB":
+          case "RGB":
+            return this.singletons.rgb;
+
+          case "DeviceCMYK":
+          case "CMYK":
+            return this.singletons.cmyk;
+
+          case "Pattern":
+            return new PatternCS(null);
+
+          default:
+            if ((0, _primitives.isDict)(resources)) {
+              var colorSpaces = resources.get("ColorSpace");
+
+              if ((0, _primitives.isDict)(colorSpaces)) {
+                var resourcesCS = colorSpaces.get(cs.name);
+
+                if (resourcesCS) {
+                  if ((0, _primitives.isName)(resourcesCS)) {
+                    return this._parse(resourcesCS, xref, resources, pdfFunctionFactory);
+                  }
+
+                  cs = resourcesCS;
+                  break;
+                }
+              }
+            }
+
+            throw new _util.FormatError("Unrecognized ColorSpace: ".concat(cs.name));
+        }
+      }
+
+      if (Array.isArray(cs)) {
+        var mode = xref.fetchIfRef(cs[0]).name;
+        var params, numComps, baseCS, whitePoint, blackPoint, gamma;
+
+        switch (mode) {
+          case "DeviceGray":
+          case "G":
+            return this.singletons.gray;
+
+          case "DeviceRGB":
+          case "RGB":
+            return this.singletons.rgb;
+
+          case "DeviceCMYK":
+          case "CMYK":
+            return this.singletons.cmyk;
+
+          case "CalGray":
+            params = xref.fetchIfRef(cs[1]);
+            whitePoint = params.getArray("WhitePoint");
+            blackPoint = params.getArray("BlackPoint");
+            gamma = params.get("Gamma");
+            return new CalGrayCS(whitePoint, blackPoint, gamma);
+
+          case "CalRGB":
+            params = xref.fetchIfRef(cs[1]);
+            whitePoint = params.getArray("WhitePoint");
+            blackPoint = params.getArray("BlackPoint");
+            gamma = params.getArray("Gamma");
+            var matrix = params.getArray("Matrix");
+            return new CalRGBCS(whitePoint, blackPoint, gamma, matrix);
+
+          case "ICCBased":
+            var stream = xref.fetchIfRef(cs[1]);
+            var dict = stream.dict;
+            numComps = dict.get("N");
+            var alt = dict.get("Alternate");
+
+            if (alt) {
+              var altCS = this._parse(alt, xref, resources, pdfFunctionFactory);
+
+              if (altCS.numComps === numComps) {
+                return altCS;
+              }
+
+              (0, _util.warn)("ICCBased color space: Ignoring incorrect /Alternate entry.");
+            }
+
+            if (numComps === 1) {
+              return this.singletons.gray;
+            } else if (numComps === 3) {
+              return this.singletons.rgb;
+            } else if (numComps === 4) {
+              return this.singletons.cmyk;
+            }
+
+            break;
+
+          case "Pattern":
+            baseCS = cs[1] || null;
+
+            if (baseCS) {
+              baseCS = this._parse(baseCS, xref, resources, pdfFunctionFactory);
+            }
+
+            return new PatternCS(baseCS);
+
+          case "Indexed":
+          case "I":
+            baseCS = this._parse(cs[1], xref, resources, pdfFunctionFactory);
+            var hiVal = xref.fetchIfRef(cs[2]) + 1;
+            var lookup = xref.fetchIfRef(cs[3]);
+            return new IndexedCS(baseCS, hiVal, lookup);
+
+          case "Separation":
+          case "DeviceN":
+            var name = xref.fetchIfRef(cs[1]);
+            numComps = Array.isArray(name) ? name.length : 1;
+            baseCS = this._parse(cs[2], xref, resources, pdfFunctionFactory);
+            var tintFn = pdfFunctionFactory.create(cs[3]);
+            return new AlternateCS(numComps, baseCS, tintFn);
+
+          case "Lab":
+            params = xref.fetchIfRef(cs[1]);
+            whitePoint = params.getArray("WhitePoint");
+            blackPoint = params.getArray("BlackPoint");
+            var range = params.getArray("Range");
+            return new LabCS(whitePoint, blackPoint, range);
+
+          default:
+            throw new _util.FormatError("Unimplemented ColorSpace object: ".concat(mode));
+        }
+      }
+
+      throw new _util.FormatError("Unrecognized ColorSpace object: ".concat(cs));
+    }
+  }, {
+    key: "isDefaultDecode",
+    value: function isDefaultDecode(decode, numComps) {
+      if (!Array.isArray(decode)) {
+        return true;
+      }
+
+      if (numComps * 2 !== decode.length) {
+        (0, _util.warn)("The decode map is not the correct length");
+        return true;
+      }
+
+      for (var i = 0, ii = decode.length; i < ii; i += 2) {
+        if (decode[i] !== 0 || decode[i + 1] !== 1) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  }, {
+    key: "singletons",
+    get: function get() {
+      return (0, _util.shadow)(this, "singletons", {
+        get gray() {
+          return (0, _util.shadow)(this, "gray", new DeviceGrayCS());
+        },
+
+        get rgb() {
+          return (0, _util.shadow)(this, "rgb", new DeviceRgbCS());
+        },
+
+        get cmyk() {
+          return (0, _util.shadow)(this, "cmyk", new DeviceCmykCS());
+        }
+
+      });
+    }
+  }]);
+
+  return ColorSpace;
+}();
+
+exports.ColorSpace = ColorSpace;
+
+var AlternateCS = /*#__PURE__*/function (_ColorSpace) {
+  _inherits(AlternateCS, _ColorSpace);
+
+  var _super = _createSuper(AlternateCS);
+
+  function AlternateCS(numComps, base, tintFn) {
+    var _this;
+
+    _classCallCheck(this, AlternateCS);
+
+    _this = _super.call(this, "Alternate", numComps);
+    _this.base = base;
+    _this.tintFn = tintFn;
+    _this.tmpBuf = new Float32Array(base.numComps);
+    return _this;
+  }
+
+  _createClass(AlternateCS, [{
+    key: "getRgbItem",
+    value: function getRgbItem(src, srcOffset, dest, destOffset) {
+      var tmpBuf = this.tmpBuf;
+      this.tintFn(src, srcOffset, tmpBuf, 0);
+      this.base.getRgbItem(tmpBuf, 0, dest, destOffset);
+    }
+  }, {
+    key: "getRgbBuffer",
+    value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      var tintFn = this.tintFn;
+      var base = this.base;
+      var scale = 1 / ((1 << bits) - 1);
+      var baseNumComps = base.numComps;
+      var usesZeroToOneRange = base.usesZeroToOneRange;
+      var isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0;
+      var pos = isPassthrough ? destOffset : 0;
+      var baseBuf = isPassthrough ? dest : new Uint8ClampedArray(baseNumComps * count);
+      var numComps = this.numComps;
+      var scaled = new Float32Array(numComps);
+      var tinted = new Float32Array(baseNumComps);
+      var i, j;
+
+      for (i = 0; i < count; i++) {
+        for (j = 0; j < numComps; j++) {
+          scaled[j] = src[srcOffset++] * scale;
+        }
+
+        tintFn(scaled, 0, tinted, 0);
+
+        if (usesZeroToOneRange) {
+          for (j = 0; j < baseNumComps; j++) {
+            baseBuf[pos++] = tinted[j] * 255;
+          }
+        } else {
+          base.getRgbItem(tinted, 0, baseBuf, pos);
+          pos += baseNumComps;
+        }
+      }
+
+      if (!isPassthrough) {
+        base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01);
+      }
+    }
+  }, {
+    key: "getOutputLength",
+    value: function getOutputLength(inputLength, alpha01) {
+      return this.base.getOutputLength(inputLength * this.base.numComps / this.numComps, alpha01);
+    }
+  }]);
+
+  return AlternateCS;
+}(ColorSpace);
+
+var PatternCS = /*#__PURE__*/function (_ColorSpace2) {
+  _inherits(PatternCS, _ColorSpace2);
+
+  var _super2 = _createSuper(PatternCS);
+
+  function PatternCS(baseCS) {
+    var _this2;
+
+    _classCallCheck(this, PatternCS);
+
+    _this2 = _super2.call(this, "Pattern", null);
+    _this2.base = baseCS;
+    return _this2;
+  }
+
+  _createClass(PatternCS, [{
+    key: "isDefaultDecode",
+    value: function isDefaultDecode(decodeMap, bpc) {
+      (0, _util.unreachable)("Should not call PatternCS.isDefaultDecode");
+    }
+  }]);
+
+  return PatternCS;
+}(ColorSpace);
+
+var IndexedCS = /*#__PURE__*/function (_ColorSpace3) {
+  _inherits(IndexedCS, _ColorSpace3);
+
+  var _super3 = _createSuper(IndexedCS);
+
+  function IndexedCS(base, highVal, lookup) {
+    var _this3;
+
+    _classCallCheck(this, IndexedCS);
+
+    _this3 = _super3.call(this, "Indexed", 1);
+    _this3.base = base;
+    _this3.highVal = highVal;
+    var length = base.numComps * highVal;
+    _this3.lookup = new Uint8Array(length);
+
+    if ((0, _primitives.isStream)(lookup)) {
+      var bytes = lookup.getBytes(length);
+
+      _this3.lookup.set(bytes);
+    } else if (typeof lookup === "string") {
+      for (var i = 0; i < length; ++i) {
+        _this3.lookup[i] = lookup.charCodeAt(i) & 0xff;
+      }
+    } else {
+      throw new _util.FormatError("IndexedCS - unrecognized lookup table: ".concat(lookup));
+    }
+
+    return _this3;
+  }
+
+  _createClass(IndexedCS, [{
+    key: "getRgbItem",
+    value: function getRgbItem(src, srcOffset, dest, destOffset) {
+      var numComps = this.base.numComps;
+      var start = src[srcOffset] * numComps;
+      this.base.getRgbBuffer(this.lookup, start, 1, dest, destOffset, 8, 0);
+    }
+  }, {
+    key: "getRgbBuffer",
+    value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      var base = this.base;
+      var numComps = base.numComps;
+      var outputDelta = base.getOutputLength(numComps, alpha01);
+      var lookup = this.lookup;
+
+      for (var i = 0; i < count; ++i) {
+        var lookupPos = src[srcOffset++] * numComps;
+        base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01);
+        destOffset += outputDelta;
+      }
+    }
+  }, {
+    key: "getOutputLength",
+    value: function getOutputLength(inputLength, alpha01) {
+      return this.base.getOutputLength(inputLength * this.base.numComps, alpha01);
+    }
+  }, {
+    key: "isDefaultDecode",
+    value: function isDefaultDecode(decodeMap, bpc) {
+      if (!Array.isArray(decodeMap)) {
+        return true;
+      }
+
+      if (decodeMap.length !== 2) {
+        (0, _util.warn)("Decode map length is not correct");
+        return true;
+      }
+
+      if (!Number.isInteger(bpc) || bpc < 1) {
+        (0, _util.warn)("Bits per component is not correct");
+        return true;
+      }
+
+      return decodeMap[0] === 0 && decodeMap[1] === (1 << bpc) - 1;
+    }
+  }]);
+
+  return IndexedCS;
+}(ColorSpace);
+
+var DeviceGrayCS = /*#__PURE__*/function (_ColorSpace4) {
+  _inherits(DeviceGrayCS, _ColorSpace4);
+
+  var _super4 = _createSuper(DeviceGrayCS);
+
+  function DeviceGrayCS() {
+    _classCallCheck(this, DeviceGrayCS);
+
+    return _super4.call(this, "DeviceGray", 1);
+  }
+
+  _createClass(DeviceGrayCS, [{
+    key: "getRgbItem",
+    value: function getRgbItem(src, srcOffset, dest, destOffset) {
+      var c = src[srcOffset] * 255;
+      dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c;
+    }
+  }, {
+    key: "getRgbBuffer",
+    value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      var scale = 255 / ((1 << bits) - 1);
+      var j = srcOffset,
+          q = destOffset;
+
+      for (var i = 0; i < count; ++i) {
+        var c = scale * src[j++];
+        dest[q++] = c;
+        dest[q++] = c;
+        dest[q++] = c;
+        q += alpha01;
+      }
+    }
+  }, {
+    key: "getOutputLength",
+    value: function getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01);
+    }
+  }]);
+
+  return DeviceGrayCS;
+}(ColorSpace);
+
+var DeviceRgbCS = /*#__PURE__*/function (_ColorSpace5) {
+  _inherits(DeviceRgbCS, _ColorSpace5);
+
+  var _super5 = _createSuper(DeviceRgbCS);
+
+  function DeviceRgbCS() {
+    _classCallCheck(this, DeviceRgbCS);
+
+    return _super5.call(this, "DeviceRGB", 3);
+  }
+
+  _createClass(DeviceRgbCS, [{
+    key: "getRgbItem",
+    value: function getRgbItem(src, srcOffset, dest, destOffset) {
+      dest[destOffset] = src[srcOffset] * 255;
+      dest[destOffset + 1] = src[srcOffset + 1] * 255;
+      dest[destOffset + 2] = src[srcOffset + 2] * 255;
+    }
+  }, {
+    key: "getRgbBuffer",
+    value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      if (bits === 8 && alpha01 === 0) {
+        dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset);
+        return;
+      }
+
+      var scale = 255 / ((1 << bits) - 1);
+      var j = srcOffset,
+          q = destOffset;
+
+      for (var i = 0; i < count; ++i) {
+        dest[q++] = scale * src[j++];
+        dest[q++] = scale * src[j++];
+        dest[q++] = scale * src[j++];
+        q += alpha01;
+      }
+    }
+  }, {
+    key: "getOutputLength",
+    value: function getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01) / 3 | 0;
+    }
+  }, {
+    key: "isPassthrough",
+    value: function isPassthrough(bits) {
+      return bits === 8;
+    }
+  }]);
+
+  return DeviceRgbCS;
+}(ColorSpace);
+
+var DeviceCmykCS = function DeviceCmykCSClosure() {
+  function convertToRgb(src, srcOffset, srcScale, dest, destOffset) {
+    var c = src[srcOffset] * srcScale;
+    var m = src[srcOffset + 1] * srcScale;
+    var y = src[srcOffset + 2] * srcScale;
+    var k = src[srcOffset + 3] * srcScale;
+    dest[destOffset] = 255 + c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k + -285.2331026137004) + m * (1.7149763477362134 * m - 5.6096736904047315 * y + -17.873870861415444 * k - 5.497006427196366) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) + k * (-21.86122147463605 * k - 189.48180835922747);
+    dest[destOffset + 1] = 255 + c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k + -79.2970844816548) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 190.9453302588951) + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + k * (-20.737325471181034 * k - 187.80453709719578);
+    dest[destOffset + 2] = 255 + c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k + -14.183576799673286) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 112.23884253719248) + y * (0.03296041114873217 * y + 115.60384449646641 * k + -193.58209356861505) + k * (-22.33816807309886 * k - 180.12613974708367);
+  }
+
+  var DeviceCmykCS = /*#__PURE__*/function (_ColorSpace6) {
+    _inherits(DeviceCmykCS, _ColorSpace6);
+
+    var _super6 = _createSuper(DeviceCmykCS);
+
+    function DeviceCmykCS() {
+      _classCallCheck(this, DeviceCmykCS);
+
+      return _super6.call(this, "DeviceCMYK", 4);
+    }
+
+    _createClass(DeviceCmykCS, [{
+      key: "getRgbItem",
+      value: function getRgbItem(src, srcOffset, dest, destOffset) {
+        convertToRgb(src, srcOffset, 1, dest, destOffset);
+      }
+    }, {
+      key: "getRgbBuffer",
+      value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+        var scale = 1 / ((1 << bits) - 1);
+
+        for (var i = 0; i < count; i++) {
+          convertToRgb(src, srcOffset, scale, dest, destOffset);
+          srcOffset += 4;
+          destOffset += 3 + alpha01;
+        }
+      }
+    }, {
+      key: "getOutputLength",
+      value: function getOutputLength(inputLength, alpha01) {
+        return inputLength / 4 * (3 + alpha01) | 0;
+      }
+    }]);
+
+    return DeviceCmykCS;
+  }(ColorSpace);
+
+  return DeviceCmykCS;
+}();
+
+var CalGrayCS = function CalGrayCSClosure() {
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    var A = src[srcOffset] * scale;
+    var AG = Math.pow(A, cs.G);
+    var L = cs.YW * AG;
+    var val = Math.max(295.8 * Math.pow(L, 0.333333333333333333) - 40.8, 0);
+    dest[destOffset] = val;
+    dest[destOffset + 1] = val;
+    dest[destOffset + 2] = val;
+  }
+
+  var CalGrayCS = /*#__PURE__*/function (_ColorSpace7) {
+    _inherits(CalGrayCS, _ColorSpace7);
+
+    var _super7 = _createSuper(CalGrayCS);
+
+    function CalGrayCS(whitePoint, blackPoint, gamma) {
+      var _this4;
+
+      _classCallCheck(this, CalGrayCS);
+
+      _this4 = _super7.call(this, "CalGray", 1);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalGray");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      gamma = gamma || 1;
+      _this4.XW = whitePoint[0];
+      _this4.YW = whitePoint[1];
+      _this4.ZW = whitePoint[2];
+      _this4.XB = blackPoint[0];
+      _this4.YB = blackPoint[1];
+      _this4.ZB = blackPoint[2];
+      _this4.G = gamma;
+
+      if (_this4.XW < 0 || _this4.ZW < 0 || _this4.YW !== 1) {
+        throw new _util.FormatError("Invalid WhitePoint components for ".concat(_this4.name) + ", no fallback available");
+      }
+
+      if (_this4.XB < 0 || _this4.YB < 0 || _this4.ZB < 0) {
+        (0, _util.info)("Invalid BlackPoint for ".concat(_this4.name, ", falling back to default."));
+        _this4.XB = _this4.YB = _this4.ZB = 0;
+      }
+
+      if (_this4.XB !== 0 || _this4.YB !== 0 || _this4.ZB !== 0) {
+        (0, _util.warn)("".concat(_this4.name, ", BlackPoint: XB: ").concat(_this4.XB, ", YB: ").concat(_this4.YB, ", ") + "ZB: ".concat(_this4.ZB, ", only default values are supported."));
+      }
+
+      if (_this4.G < 1) {
+        (0, _util.info)("Invalid Gamma: ".concat(_this4.G, " for ").concat(_this4.name, ", ") + "falling back to default.");
+        _this4.G = 1;
+      }
+
+      return _this4;
+    }
+
+    _createClass(CalGrayCS, [{
+      key: "getRgbItem",
+      value: function getRgbItem(src, srcOffset, dest, destOffset) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+      }
+    }, {
+      key: "getRgbBuffer",
+      value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+        var scale = 1 / ((1 << bits) - 1);
+
+        for (var i = 0; i < count; ++i) {
+          convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+          srcOffset += 1;
+          destOffset += 3 + alpha01;
+        }
+      }
+    }, {
+      key: "getOutputLength",
+      value: function getOutputLength(inputLength, alpha01) {
+        return inputLength * (3 + alpha01);
+      }
+    }]);
+
+    return CalGrayCS;
+  }(ColorSpace);
+
+  return CalGrayCS;
+}();
+
+var CalRGBCS = function CalRGBCSClosure() {
+  var BRADFORD_SCALE_MATRIX = new Float32Array([0.8951, 0.2664, -0.1614, -0.7502, 1.7135, 0.0367, 0.0389, -0.0685, 1.0296]);
+  var BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([0.9869929, -0.1470543, 0.1599627, 0.4323053, 0.5183603, 0.0492912, -0.0085287, 0.0400428, 0.9684867]);
+  var SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([3.2404542, -1.5371385, -0.4985314, -0.9692660, 1.8760108, 0.0415560, 0.0556434, -0.2040259, 1.0572252]);
+  var FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]);
+  var tempNormalizeMatrix = new Float32Array(3);
+  var tempConvertMatrix1 = new Float32Array(3);
+  var tempConvertMatrix2 = new Float32Array(3);
+  var DECODE_L_CONSTANT = Math.pow((8 + 16) / 116, 3) / 8.0;
+
+  function matrixProduct(a, b, result) {
+    result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+    result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2];
+    result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2];
+  }
+
+  function convertToFlat(sourceWhitePoint, LMS, result) {
+    result[0] = LMS[0] * 1 / sourceWhitePoint[0];
+    result[1] = LMS[1] * 1 / sourceWhitePoint[1];
+    result[2] = LMS[2] * 1 / sourceWhitePoint[2];
+  }
+
+  function convertToD65(sourceWhitePoint, LMS, result) {
+    var D65X = 0.95047;
+    var D65Y = 1;
+    var D65Z = 1.08883;
+    result[0] = LMS[0] * D65X / sourceWhitePoint[0];
+    result[1] = LMS[1] * D65Y / sourceWhitePoint[1];
+    result[2] = LMS[2] * D65Z / sourceWhitePoint[2];
+  }
+
+  function sRGBTransferFunction(color) {
+    if (color <= 0.0031308) {
+      return adjustToRange(0, 1, 12.92 * color);
+    }
+
+    if (color >= 0.99554525) {
+      return 1;
+    }
+
+    return adjustToRange(0, 1, (1 + 0.055) * Math.pow(color, 1 / 2.4) - 0.055);
+  }
+
+  function adjustToRange(min, max, value) {
+    return Math.max(min, Math.min(max, value));
+  }
+
+  function decodeL(L) {
+    if (L < 0) {
+      return -decodeL(-L);
+    }
+
+    if (L > 8.0) {
+      return Math.pow((L + 16) / 116, 3);
+    }
+
+    return L * DECODE_L_CONSTANT;
+  }
+
+  function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) {
+    if (sourceBlackPoint[0] === 0 && sourceBlackPoint[1] === 0 && sourceBlackPoint[2] === 0) {
+      result[0] = XYZ_Flat[0];
+      result[1] = XYZ_Flat[1];
+      result[2] = XYZ_Flat[2];
+      return;
+    }
+
+    var zeroDecodeL = decodeL(0);
+    var X_DST = zeroDecodeL;
+    var X_SRC = decodeL(sourceBlackPoint[0]);
+    var Y_DST = zeroDecodeL;
+    var Y_SRC = decodeL(sourceBlackPoint[1]);
+    var Z_DST = zeroDecodeL;
+    var Z_SRC = decodeL(sourceBlackPoint[2]);
+    var X_Scale = (1 - X_DST) / (1 - X_SRC);
+    var X_Offset = 1 - X_Scale;
+    var Y_Scale = (1 - Y_DST) / (1 - Y_SRC);
+    var Y_Offset = 1 - Y_Scale;
+    var Z_Scale = (1 - Z_DST) / (1 - Z_SRC);
+    var Z_Offset = 1 - Z_Scale;
+    result[0] = XYZ_Flat[0] * X_Scale + X_Offset;
+    result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset;
+    result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset;
+  }
+
+  function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) {
+    if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) {
+      result[0] = XYZ_In[0];
+      result[1] = XYZ_In[1];
+      result[2] = XYZ_In[2];
+      return;
+    }
+
+    var LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    var LMS_Flat = tempNormalizeMatrix;
+    convertToFlat(sourceWhitePoint, LMS, LMS_Flat);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result);
+  }
+
+  function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) {
+    var LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    var LMS_D65 = tempNormalizeMatrix;
+    convertToD65(sourceWhitePoint, LMS, LMS_D65);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result);
+  }
+
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    var A = adjustToRange(0, 1, src[srcOffset] * scale);
+    var B = adjustToRange(0, 1, src[srcOffset + 1] * scale);
+    var C = adjustToRange(0, 1, src[srcOffset + 2] * scale);
+    var AGR = A === 1 ? 1 : Math.pow(A, cs.GR);
+    var BGG = B === 1 ? 1 : Math.pow(B, cs.GG);
+    var CGB = C === 1 ? 1 : Math.pow(C, cs.GB);
+    var X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB;
+    var Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB;
+    var Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB;
+    var XYZ = tempConvertMatrix1;
+    XYZ[0] = X;
+    XYZ[1] = Y;
+    XYZ[2] = Z;
+    var XYZ_Flat = tempConvertMatrix2;
+    normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat);
+    var XYZ_Black = tempConvertMatrix1;
+    compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black);
+    var XYZ_D65 = tempConvertMatrix2;
+    normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65);
+    var SRGB = tempConvertMatrix1;
+    matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB);
+    dest[destOffset] = sRGBTransferFunction(SRGB[0]) * 255;
+    dest[destOffset + 1] = sRGBTransferFunction(SRGB[1]) * 255;
+    dest[destOffset + 2] = sRGBTransferFunction(SRGB[2]) * 255;
+  }
+
+  var CalRGBCS = /*#__PURE__*/function (_ColorSpace8) {
+    _inherits(CalRGBCS, _ColorSpace8);
+
+    var _super8 = _createSuper(CalRGBCS);
+
+    function CalRGBCS(whitePoint, blackPoint, gamma, matrix) {
+      var _this5;
+
+      _classCallCheck(this, CalRGBCS);
+
+      _this5 = _super8.call(this, "CalRGB", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalRGB");
+      }
+
+      blackPoint = blackPoint || new Float32Array(3);
+      gamma = gamma || new Float32Array([1, 1, 1]);
+      matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]);
+      var XW = whitePoint[0];
+      var YW = whitePoint[1];
+      var ZW = whitePoint[2];
+      _this5.whitePoint = whitePoint;
+      var XB = blackPoint[0];
+      var YB = blackPoint[1];
+      var ZB = blackPoint[2];
+      _this5.blackPoint = blackPoint;
+      _this5.GR = gamma[0];
+      _this5.GG = gamma[1];
+      _this5.GB = gamma[2];
+      _this5.MXA = matrix[0];
+      _this5.MYA = matrix[1];
+      _this5.MZA = matrix[2];
+      _this5.MXB = matrix[3];
+      _this5.MYB = matrix[4];
+      _this5.MZB = matrix[5];
+      _this5.MXC = matrix[6];
+      _this5.MYC = matrix[7];
+      _this5.MZC = matrix[8];
+
+      if (XW < 0 || ZW < 0 || YW !== 1) {
+        throw new _util.FormatError("Invalid WhitePoint components for ".concat(_this5.name) + ", no fallback available");
+      }
+
+      if (XB < 0 || YB < 0 || ZB < 0) {
+        (0, _util.info)("Invalid BlackPoint for ".concat(_this5.name, " [").concat(XB, ", ").concat(YB, ", ").concat(ZB, "], ") + "falling back to default.");
+        _this5.blackPoint = new Float32Array(3);
+      }
+
+      if (_this5.GR < 0 || _this5.GG < 0 || _this5.GB < 0) {
+        (0, _util.info)("Invalid Gamma [".concat(_this5.GR, ", ").concat(_this5.GG, ", ").concat(_this5.GB, "] for ") + "".concat(_this5.name, ", falling back to default."));
+        _this5.GR = _this5.GG = _this5.GB = 1;
+      }
+
+      return _this5;
+    }
+
+    _createClass(CalRGBCS, [{
+      key: "getRgbItem",
+      value: function getRgbItem(src, srcOffset, dest, destOffset) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+      }
+    }, {
+      key: "getRgbBuffer",
+      value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+        var scale = 1 / ((1 << bits) - 1);
+
+        for (var i = 0; i < count; ++i) {
+          convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+          srcOffset += 3;
+          destOffset += 3 + alpha01;
+        }
+      }
+    }, {
+      key: "getOutputLength",
+      value: function getOutputLength(inputLength, alpha01) {
+        return inputLength * (3 + alpha01) / 3 | 0;
+      }
+    }]);
+
+    return CalRGBCS;
+  }(ColorSpace);
+
+  return CalRGBCS;
+}();
+
+var LabCS = function LabCSClosure() {
+  function fn_g(x) {
+    var result;
+
+    if (x >= 6 / 29) {
+      result = x * x * x;
+    } else {
+      result = 108 / 841 * (x - 4 / 29);
+    }
+
+    return result;
+  }
+
+  function decode(value, high1, low2, high2) {
+    return low2 + value * (high2 - low2) / high1;
+  }
+
+  function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) {
+    var Ls = src[srcOffset];
+    var as = src[srcOffset + 1];
+    var bs = src[srcOffset + 2];
+
+    if (maxVal !== false) {
+      Ls = decode(Ls, maxVal, 0, 100);
+      as = decode(as, maxVal, cs.amin, cs.amax);
+      bs = decode(bs, maxVal, cs.bmin, cs.bmax);
+    }
+
+    if (as > cs.amax) {
+      as = cs.amax;
+    } else if (as < cs.amin) {
+      as = cs.amin;
+    }
+
+    if (bs > cs.bmax) {
+      bs = cs.bmax;
+    } else if (bs < cs.bmin) {
+      bs = cs.bmin;
+    }
+
+    var M = (Ls + 16) / 116;
+    var L = M + as / 500;
+    var N = M - bs / 200;
+    var X = cs.XW * fn_g(L);
+    var Y = cs.YW * fn_g(M);
+    var Z = cs.ZW * fn_g(N);
+    var r, g, b;
+
+    if (cs.ZW < 1) {
+      r = X * 3.1339 + Y * -1.617 + Z * -0.4906;
+      g = X * -0.9785 + Y * 1.916 + Z * 0.0333;
+      b = X * 0.072 + Y * -0.229 + Z * 1.4057;
+    } else {
+      r = X * 3.2406 + Y * -1.5372 + Z * -0.4986;
+      g = X * -0.9689 + Y * 1.8758 + Z * 0.0415;
+      b = X * 0.0557 + Y * -0.204 + Z * 1.057;
+    }
+
+    dest[destOffset] = Math.sqrt(r) * 255;
+    dest[destOffset + 1] = Math.sqrt(g) * 255;
+    dest[destOffset + 2] = Math.sqrt(b) * 255;
+  }
+
+  var LabCS = /*#__PURE__*/function (_ColorSpace9) {
+    _inherits(LabCS, _ColorSpace9);
+
+    var _super9 = _createSuper(LabCS);
+
+    function LabCS(whitePoint, blackPoint, range) {
+      var _this6;
+
+      _classCallCheck(this, LabCS);
+
+      _this6 = _super9.call(this, "Lab", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space Lab");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      range = range || [-100, 100, -100, 100];
+      _this6.XW = whitePoint[0];
+      _this6.YW = whitePoint[1];
+      _this6.ZW = whitePoint[2];
+      _this6.amin = range[0];
+      _this6.amax = range[1];
+      _this6.bmin = range[2];
+      _this6.bmax = range[3];
+      _this6.XB = blackPoint[0];
+      _this6.YB = blackPoint[1];
+      _this6.ZB = blackPoint[2];
+
+      if (_this6.XW < 0 || _this6.ZW < 0 || _this6.YW !== 1) {
+        throw new _util.FormatError("Invalid WhitePoint components, no fallback available");
+      }
+
+      if (_this6.XB < 0 || _this6.YB < 0 || _this6.ZB < 0) {
+        (0, _util.info)("Invalid BlackPoint, falling back to default");
+        _this6.XB = _this6.YB = _this6.ZB = 0;
+      }
+
+      if (_this6.amin > _this6.amax || _this6.bmin > _this6.bmax) {
+        (0, _util.info)("Invalid Range, falling back to defaults");
+        _this6.amin = -100;
+        _this6.amax = 100;
+        _this6.bmin = -100;
+        _this6.bmax = 100;
+      }
+
+      return _this6;
+    }
+
+    _createClass(LabCS, [{
+      key: "getRgbItem",
+      value: function getRgbItem(src, srcOffset, dest, destOffset) {
+        convertToRgb(this, src, srcOffset, false, dest, destOffset);
+      }
+    }, {
+      key: "getRgbBuffer",
+      value: function getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+        var maxVal = (1 << bits) - 1;
+
+        for (var i = 0; i < count; i++) {
+          convertToRgb(this, src, srcOffset, maxVal, dest, destOffset);
+          srcOffset += 3;
+          destOffset += 3 + alpha01;
+        }
+      }
+    }, {
+      key: "getOutputLength",
+      value: function getOutputLength(inputLength, alpha01) {
+        return inputLength * (3 + alpha01) / 3 | 0;
+      }
+    }, {
+      key: "isDefaultDecode",
+      value: function isDefaultDecode(decodeMap, bpc) {
+        return true;
+      }
+    }, {
+      key: "usesZeroToOneRange",
+      get: function get() {
+        return (0, _util.shadow)(this, "usesZeroToOneRange", false);
+      }
+    }]);
+
+    return LabCS;
+  }(ColorSpace);
+
+  return LabCS;
+}();
+
+/***/ }),
+/* 221 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalImageCache = exports.LocalGStateCache = exports.LocalFunctionCache = exports.LocalColorSpaceCache = exports.LocalImageCache = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var BaseLocalCache = /*#__PURE__*/function () {
+  function BaseLocalCache(options) {
+    _classCallCheck(this, BaseLocalCache);
+
+    if (this.constructor === BaseLocalCache) {
+      (0, _util.unreachable)("Cannot initialize BaseLocalCache.");
+    }
+
+    if (!options || !options.onlyRefs) {
+      this._nameRefMap = new Map();
+      this._imageMap = new Map();
+    }
+
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  _createClass(BaseLocalCache, [{
+    key: "getByName",
+    value: function getByName(name) {
+      var ref = this._nameRefMap.get(name);
+
+      if (ref) {
+        return this.getByRef(ref);
+      }
+
+      return this._imageMap.get(name) || null;
+    }
+  }, {
+    key: "getByRef",
+    value: function getByRef(ref) {
+      return this._imageCache.get(ref) || null;
+    }
+  }, {
+    key: "set",
+    value: function set(name, ref, data) {
+      (0, _util.unreachable)("Abstract method `set` called.");
+    }
+  }]);
+
+  return BaseLocalCache;
+}();
+
+var LocalImageCache = /*#__PURE__*/function (_BaseLocalCache) {
+  _inherits(LocalImageCache, _BaseLocalCache);
+
+  var _super = _createSuper(LocalImageCache);
+
+  function LocalImageCache() {
+    _classCallCheck(this, LocalImageCache);
+
+    return _super.apply(this, arguments);
+  }
+
+  _createClass(LocalImageCache, [{
+    key: "set",
+    value: function set(name) {
+      var ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+      var data = arguments.length > 2 ? arguments[2] : undefined;
+
+      if (!name) {
+        throw new Error('LocalImageCache.set - expected "name" argument.');
+      }
+
+      if (ref) {
+        if (this._imageCache.has(ref)) {
+          return;
+        }
+
+        this._nameRefMap.set(name, ref);
+
+        this._imageCache.put(ref, data);
+
+        return;
+      }
+
+      if (this._imageMap.has(name)) {
+        return;
+      }
+
+      this._imageMap.set(name, data);
+    }
+  }]);
+
+  return LocalImageCache;
+}(BaseLocalCache);
+
+exports.LocalImageCache = LocalImageCache;
+
+var LocalColorSpaceCache = /*#__PURE__*/function (_BaseLocalCache2) {
+  _inherits(LocalColorSpaceCache, _BaseLocalCache2);
+
+  var _super2 = _createSuper(LocalColorSpaceCache);
+
+  function LocalColorSpaceCache() {
+    _classCallCheck(this, LocalColorSpaceCache);
+
+    return _super2.apply(this, arguments);
+  }
+
+  _createClass(LocalColorSpaceCache, [{
+    key: "set",
+    value: function set() {
+      var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+      var ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+      var data = arguments.length > 2 ? arguments[2] : undefined;
+
+      if (!name && !ref) {
+        throw new Error('LocalColorSpaceCache.set - expected "name" and/or "ref" argument.');
+      }
+
+      if (ref) {
+        if (this._imageCache.has(ref)) {
+          return;
+        }
+
+        if (name) {
+          this._nameRefMap.set(name, ref);
+        }
+
+        this._imageCache.put(ref, data);
+
+        return;
+      }
+
+      if (this._imageMap.has(name)) {
+        return;
+      }
+
+      this._imageMap.set(name, data);
+    }
+  }]);
+
+  return LocalColorSpaceCache;
+}(BaseLocalCache);
+
+exports.LocalColorSpaceCache = LocalColorSpaceCache;
+
+var LocalFunctionCache = /*#__PURE__*/function (_BaseLocalCache3) {
+  _inherits(LocalFunctionCache, _BaseLocalCache3);
+
+  var _super3 = _createSuper(LocalFunctionCache);
+
+  function LocalFunctionCache(options) {
+    _classCallCheck(this, LocalFunctionCache);
+
+    return _super3.call(this, {
+      onlyRefs: true
+    });
+  }
+
+  _createClass(LocalFunctionCache, [{
+    key: "getByName",
+    value: function getByName(name) {
+      (0, _util.unreachable)("Should not call `getByName` method.");
+    }
+  }, {
+    key: "set",
+    value: function set() {
+      var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+      var ref = arguments.length > 1 ? arguments[1] : undefined;
+      var data = arguments.length > 2 ? arguments[2] : undefined;
+
+      if (!ref) {
+        throw new Error('LocalFunctionCache.set - expected "ref" argument.');
+      }
+
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      this._imageCache.put(ref, data);
+    }
+  }]);
+
+  return LocalFunctionCache;
+}(BaseLocalCache);
+
+exports.LocalFunctionCache = LocalFunctionCache;
+
+var LocalGStateCache = /*#__PURE__*/function (_BaseLocalCache4) {
+  _inherits(LocalGStateCache, _BaseLocalCache4);
+
+  var _super4 = _createSuper(LocalGStateCache);
+
+  function LocalGStateCache() {
+    _classCallCheck(this, LocalGStateCache);
+
+    return _super4.apply(this, arguments);
+  }
+
+  _createClass(LocalGStateCache, [{
+    key: "set",
+    value: function set(name) {
+      var ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+      var data = arguments.length > 2 ? arguments[2] : undefined;
+
+      if (!name) {
+        throw new Error('LocalGStateCache.set - expected "name" argument.');
+      }
+
+      if (ref) {
+        if (this._imageCache.has(ref)) {
+          return;
+        }
+
+        this._nameRefMap.set(name, ref);
+
+        this._imageCache.put(ref, data);
+
+        return;
+      }
+
+      if (this._imageMap.has(name)) {
+        return;
+      }
+
+      this._imageMap.set(name, data);
+    }
+  }]);
+
+  return LocalGStateCache;
+}(BaseLocalCache);
+
+exports.LocalGStateCache = LocalGStateCache;
+
+var GlobalImageCache = /*#__PURE__*/function () {
+  _createClass(GlobalImageCache, null, [{
+    key: "NUM_PAGES_THRESHOLD",
+    get: function get() {
+      return (0, _util.shadow)(this, "NUM_PAGES_THRESHOLD", 2);
+    }
+  }, {
+    key: "MAX_IMAGES_TO_CACHE",
+    get: function get() {
+      return (0, _util.shadow)(this, "MAX_IMAGES_TO_CACHE", 10);
+    }
+  }]);
+
+  function GlobalImageCache() {
+    _classCallCheck(this, GlobalImageCache);
+
+    this._refCache = new _primitives.RefSetCache();
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  _createClass(GlobalImageCache, [{
+    key: "shouldCache",
+    value: function shouldCache(ref, pageIndex) {
+      var pageIndexSet = this._refCache.get(ref);
+
+      var numPages = pageIndexSet ? pageIndexSet.size + (pageIndexSet.has(pageIndex) ? 0 : 1) : 1;
+
+      if (numPages < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+        return false;
+      }
+
+      if (!this._imageCache.has(ref) && this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+        return false;
+      }
+
+      return true;
+    }
+  }, {
+    key: "addPageIndex",
+    value: function addPageIndex(ref, pageIndex) {
+      var pageIndexSet = this._refCache.get(ref);
+
+      if (!pageIndexSet) {
+        pageIndexSet = new Set();
+
+        this._refCache.put(ref, pageIndexSet);
+      }
+
+      pageIndexSet.add(pageIndex);
+    }
+  }, {
+    key: "getData",
+    value: function getData(ref, pageIndex) {
+      var pageIndexSet = this._refCache.get(ref);
+
+      if (!pageIndexSet) {
+        return null;
+      }
+
+      if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+        return null;
+      }
+
+      if (!this._imageCache.has(ref)) {
+        return null;
+      }
+
+      pageIndexSet.add(pageIndex);
+      return this._imageCache.get(ref);
+    }
+  }, {
+    key: "setData",
+    value: function setData(ref, data) {
+      if (!this._refCache.has(ref)) {
+        throw new Error('GlobalImageCache.setData - expected "addPageIndex" to have been called.');
+      }
+
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      if (this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+        (0, _util.info)("GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE.");
+        return;
+      }
+
+      this._imageCache.put(ref, data);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      var onlyData = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (!onlyData) {
+        this._refCache.clear();
+      }
+
+      this._imageCache.clear();
+    }
+  }]);
+
+  return GlobalImageCache;
+}();
+
+exports.GlobalImageCache = GlobalImageCache;
+
+/***/ }),
+/* 222 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getQuadPoints = getQuadPoints;
+exports.MarkupAnnotation = exports.AnnotationFactory = exports.AnnotationBorderStyle = exports.Annotation = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _obj = __w_pdfjs_require__(207);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _colorspace = __w_pdfjs_require__(220);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _operator_list = __w_pdfjs_require__(223);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _writer = __w_pdfjs_require__(224);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var AnnotationFactory = /*#__PURE__*/function () {
+  function AnnotationFactory() {
+    _classCallCheck(this, AnnotationFactory);
+  }
+
+  _createClass(AnnotationFactory, null, [{
+    key: "create",
+    value: function create(xref, ref, pdfManager, idFactory) {
+      var _this = this;
+
+      return pdfManager.ensureCatalog("acroForm").then(function (acroForm) {
+        return pdfManager.ensure(_this, "_create", [xref, ref, pdfManager, idFactory, acroForm]);
+      });
+    }
+  }, {
+    key: "_create",
+    value: function _create(xref, ref, pdfManager, idFactory, acroForm) {
+      var dict = xref.fetchIfRef(ref);
+
+      if (!(0, _primitives.isDict)(dict)) {
+        return undefined;
+      }
+
+      var id = (0, _primitives.isRef)(ref) ? ref.toString() : "annot_".concat(idFactory.createObjId());
+      var subtype = dict.get("Subtype");
+      subtype = (0, _primitives.isName)(subtype) ? subtype.name : null;
+      var parameters = {
+        xref: xref,
+        ref: ref,
+        dict: dict,
+        subtype: subtype,
+        id: id,
+        pdfManager: pdfManager,
+        acroForm: acroForm instanceof _primitives.Dict ? acroForm : _primitives.Dict.empty
+      };
+
+      switch (subtype) {
+        case "Link":
+          return new LinkAnnotation(parameters);
+
+        case "Text":
+          return new TextAnnotation(parameters);
+
+        case "Widget":
+          var fieldType = (0, _core_utils.getInheritableProperty)({
+            dict: dict,
+            key: "FT"
+          });
+          fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+
+          switch (fieldType) {
+            case "Tx":
+              return new TextWidgetAnnotation(parameters);
+
+            case "Btn":
+              return new ButtonWidgetAnnotation(parameters);
+
+            case "Ch":
+              return new ChoiceWidgetAnnotation(parameters);
+          }
+
+          (0, _util.warn)('Unimplemented widget field type "' + fieldType + '", ' + "falling back to base field type.");
+          return new WidgetAnnotation(parameters);
+
+        case "Popup":
+          return new PopupAnnotation(parameters);
+
+        case "FreeText":
+          return new FreeTextAnnotation(parameters);
+
+        case "Line":
+          return new LineAnnotation(parameters);
+
+        case "Square":
+          return new SquareAnnotation(parameters);
+
+        case "Circle":
+          return new CircleAnnotation(parameters);
+
+        case "PolyLine":
+          return new PolylineAnnotation(parameters);
+
+        case "Polygon":
+          return new PolygonAnnotation(parameters);
+
+        case "Caret":
+          return new CaretAnnotation(parameters);
+
+        case "Ink":
+          return new InkAnnotation(parameters);
+
+        case "Highlight":
+          return new HighlightAnnotation(parameters);
+
+        case "Underline":
+          return new UnderlineAnnotation(parameters);
+
+        case "Squiggly":
+          return new SquigglyAnnotation(parameters);
+
+        case "StrikeOut":
+          return new StrikeOutAnnotation(parameters);
+
+        case "Stamp":
+          return new StampAnnotation(parameters);
+
+        case "FileAttachment":
+          return new FileAttachmentAnnotation(parameters);
+
+        default:
+          if (!subtype) {
+            (0, _util.warn)("Annotation is missing the required /Subtype.");
+          } else {
+            (0, _util.warn)('Unimplemented annotation type "' + subtype + '", ' + "falling back to base annotation.");
+          }
+
+          return new Annotation(parameters);
+      }
+    }
+  }]);
+
+  return AnnotationFactory;
+}();
+
+exports.AnnotationFactory = AnnotationFactory;
+
+function getQuadPoints(dict, rect) {
+  if (!dict.has("QuadPoints")) {
+    return null;
+  }
+
+  var quadPoints = dict.getArray("QuadPoints");
+
+  if (!Array.isArray(quadPoints) || quadPoints.length % 8 > 0) {
+    return null;
+  }
+
+  var quadPointsLists = [];
+
+  for (var i = 0, ii = quadPoints.length / 8; i < ii; i++) {
+    quadPointsLists.push([]);
+
+    for (var j = i * 8, jj = i * 8 + 8; j < jj; j += 2) {
+      var x = quadPoints[j];
+      var y = quadPoints[j + 1];
+
+      if (x < rect[0] || x > rect[2] || y < rect[1] || y > rect[3]) {
+        return null;
+      }
+
+      quadPointsLists[i].push({
+        x: x,
+        y: y
+      });
+    }
+  }
+
+  return quadPointsLists;
+}
+
+function getTransformMatrix(rect, bbox, matrix) {
+  var _Util$getAxialAligned = _util.Util.getAxialAlignedBoundingBox(bbox, matrix),
+      _Util$getAxialAligned2 = _slicedToArray(_Util$getAxialAligned, 4),
+      minX = _Util$getAxialAligned2[0],
+      minY = _Util$getAxialAligned2[1],
+      maxX = _Util$getAxialAligned2[2],
+      maxY = _Util$getAxialAligned2[3];
+
+  if (minX === maxX || minY === maxY) {
+    return [1, 0, 0, 1, rect[0], rect[1]];
+  }
+
+  var xRatio = (rect[2] - rect[0]) / (maxX - minX);
+  var yRatio = (rect[3] - rect[1]) / (maxY - minY);
+  return [xRatio, 0, 0, yRatio, rect[0] - minX * xRatio, rect[1] - minY * yRatio];
+}
+
+var Annotation = /*#__PURE__*/function () {
+  function Annotation(params) {
+    _classCallCheck(this, Annotation);
+
+    var dict = params.dict;
+    this.setContents(dict.get("Contents"));
+    this.setModificationDate(dict.get("M"));
+    this.setFlags(dict.get("F"));
+    this.setRectangle(dict.getArray("Rect"));
+    this.setColor(dict.getArray("C"));
+    this.setBorderStyle(dict);
+    this.setAppearance(dict);
+    this.data = {
+      annotationFlags: this.flags,
+      borderStyle: this.borderStyle,
+      color: this.color,
+      contents: this.contents,
+      hasAppearance: !!this.appearance,
+      id: params.id,
+      modificationDate: this.modificationDate,
+      rect: this.rectangle,
+      subtype: params.subtype
+    };
+  }
+
+  _createClass(Annotation, [{
+    key: "_hasFlag",
+    value: function _hasFlag(flags, flag) {
+      return !!(flags & flag);
+    }
+  }, {
+    key: "_isViewable",
+    value: function _isViewable(flags) {
+      return !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN) && !this._hasFlag(flags, _util.AnnotationFlag.NOVIEW);
+    }
+  }, {
+    key: "_isPrintable",
+    value: function _isPrintable(flags) {
+      return this._hasFlag(flags, _util.AnnotationFlag.PRINT) && !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN);
+    }
+  }, {
+    key: "setContents",
+    value: function setContents(contents) {
+      this.contents = (0, _util.stringToPDFString)(contents || "");
+    }
+  }, {
+    key: "setModificationDate",
+    value: function setModificationDate(modificationDate) {
+      this.modificationDate = (0, _util.isString)(modificationDate) ? modificationDate : null;
+    }
+  }, {
+    key: "setFlags",
+    value: function setFlags(flags) {
+      this.flags = Number.isInteger(flags) && flags > 0 ? flags : 0;
+    }
+  }, {
+    key: "hasFlag",
+    value: function hasFlag(flag) {
+      return this._hasFlag(this.flags, flag);
+    }
+  }, {
+    key: "setRectangle",
+    value: function setRectangle(rectangle) {
+      if (Array.isArray(rectangle) && rectangle.length === 4) {
+        this.rectangle = _util.Util.normalizeRect(rectangle);
+      } else {
+        this.rectangle = [0, 0, 0, 0];
+      }
+    }
+  }, {
+    key: "setColor",
+    value: function setColor(color) {
+      var rgbColor = new Uint8ClampedArray(3);
+
+      if (!Array.isArray(color)) {
+        this.color = rgbColor;
+        return;
+      }
+
+      switch (color.length) {
+        case 0:
+          this.color = null;
+          break;
+
+        case 1:
+          _colorspace.ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
+
+          this.color = rgbColor;
+          break;
+
+        case 3:
+          _colorspace.ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
+
+          this.color = rgbColor;
+          break;
+
+        case 4:
+          _colorspace.ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
+
+          this.color = rgbColor;
+          break;
+
+        default:
+          this.color = rgbColor;
+          break;
+      }
+    }
+  }, {
+    key: "setBorderStyle",
+    value: function setBorderStyle(borderStyle) {
+      this.borderStyle = new AnnotationBorderStyle();
+
+      if (!(0, _primitives.isDict)(borderStyle)) {
+        return;
+      }
+
+      if (borderStyle.has("BS")) {
+        var dict = borderStyle.get("BS");
+        var dictType = dict.get("Type");
+
+        if (!dictType || (0, _primitives.isName)(dictType, "Border")) {
+          this.borderStyle.setWidth(dict.get("W"), this.rectangle);
+          this.borderStyle.setStyle(dict.get("S"));
+          this.borderStyle.setDashArray(dict.getArray("D"));
+        }
+      } else if (borderStyle.has("Border")) {
+        var array = borderStyle.getArray("Border");
+
+        if (Array.isArray(array) && array.length >= 3) {
+          this.borderStyle.setHorizontalCornerRadius(array[0]);
+          this.borderStyle.setVerticalCornerRadius(array[1]);
+          this.borderStyle.setWidth(array[2], this.rectangle);
+
+          if (array.length === 4) {
+            this.borderStyle.setDashArray(array[3]);
+          }
+        }
+      } else {
+        this.borderStyle.setWidth(0);
+      }
+    }
+  }, {
+    key: "setAppearance",
+    value: function setAppearance(dict) {
+      this.appearance = null;
+      var appearanceStates = dict.get("AP");
+
+      if (!(0, _primitives.isDict)(appearanceStates)) {
+        return;
+      }
+
+      var normalAppearanceState = appearanceStates.get("N");
+
+      if ((0, _primitives.isStream)(normalAppearanceState)) {
+        this.appearance = normalAppearanceState;
+        return;
+      }
+
+      if (!(0, _primitives.isDict)(normalAppearanceState)) {
+        return;
+      }
+
+      var as = dict.get("AS");
+
+      if (!(0, _primitives.isName)(as) || !normalAppearanceState.has(as.name)) {
+        return;
+      }
+
+      this.appearance = normalAppearanceState.get(as.name);
+    }
+  }, {
+    key: "loadResources",
+    value: function loadResources(keys) {
+      return this.appearance.dict.getAsync("Resources").then(function (resources) {
+        if (!resources) {
+          return undefined;
+        }
+
+        var objectLoader = new _obj.ObjectLoader(resources, keys, resources.xref);
+        return objectLoader.load().then(function () {
+          return resources;
+        });
+      });
+    }
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList(evaluator, task, renderForms, annotationStorage) {
+      if (!this.appearance) {
+        return Promise.resolve(new _operator_list.OperatorList());
+      }
+
+      var appearance = this.appearance;
+      var data = this.data;
+      var appearanceDict = appearance.dict;
+      var resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+      var bbox = appearanceDict.getArray("BBox") || [0, 0, 1, 1];
+      var matrix = appearanceDict.getArray("Matrix") || [1, 0, 0, 1, 0, 0];
+      var transform = getTransformMatrix(data.rect, bbox, matrix);
+      return resourcesPromise.then(function (resources) {
+        var opList = new _operator_list.OperatorList();
+        opList.addOp(_util.OPS.beginAnnotation, [data.rect, transform, matrix]);
+        return evaluator.getOperatorList({
+          stream: appearance,
+          task: task,
+          resources: resources,
+          operatorList: opList
+        }).then(function () {
+          opList.addOp(_util.OPS.endAnnotation, []);
+          appearance.reset();
+          return opList;
+        });
+      });
+    }
+  }, {
+    key: "save",
+    value: function () {
+      var _save = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(evaluator, task, annotationStorage) {
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                return _context.abrupt("return", null);
+
+              case 1:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }));
+
+      function save(_x, _x2, _x3) {
+        return _save.apply(this, arguments);
+      }
+
+      return save;
+    }()
+  }, {
+    key: "viewable",
+    get: function get() {
+      if (this.flags === 0) {
+        return true;
+      }
+
+      return this._isViewable(this.flags);
+    }
+  }, {
+    key: "printable",
+    get: function get() {
+      if (this.flags === 0) {
+        return false;
+      }
+
+      return this._isPrintable(this.flags);
+    }
+  }]);
+
+  return Annotation;
+}();
+
+exports.Annotation = Annotation;
+
+var AnnotationBorderStyle = /*#__PURE__*/function () {
+  function AnnotationBorderStyle() {
+    _classCallCheck(this, AnnotationBorderStyle);
+
+    this.width = 1;
+    this.style = _util.AnnotationBorderStyleType.SOLID;
+    this.dashArray = [3];
+    this.horizontalCornerRadius = 0;
+    this.verticalCornerRadius = 0;
+  }
+
+  _createClass(AnnotationBorderStyle, [{
+    key: "setWidth",
+    value: function setWidth(width) {
+      var rect = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [0, 0, 0, 0];
+
+      if ((0, _primitives.isName)(width)) {
+        this.width = 0;
+        return;
+      }
+
+      if (Number.isInteger(width)) {
+        if (width > 0) {
+          var maxWidth = (rect[2] - rect[0]) / 2;
+          var maxHeight = (rect[3] - rect[1]) / 2;
+
+          if (maxWidth > 0 && maxHeight > 0 && (width > maxWidth || width > maxHeight)) {
+            (0, _util.warn)("AnnotationBorderStyle.setWidth - ignoring width: ".concat(width));
+            width = 1;
+          }
+        }
+
+        this.width = width;
+      }
+    }
+  }, {
+    key: "setStyle",
+    value: function setStyle(style) {
+      if (!(0, _primitives.isName)(style)) {
+        return;
+      }
+
+      switch (style.name) {
+        case "S":
+          this.style = _util.AnnotationBorderStyleType.SOLID;
+          break;
+
+        case "D":
+          this.style = _util.AnnotationBorderStyleType.DASHED;
+          break;
+
+        case "B":
+          this.style = _util.AnnotationBorderStyleType.BEVELED;
+          break;
+
+        case "I":
+          this.style = _util.AnnotationBorderStyleType.INSET;
+          break;
+
+        case "U":
+          this.style = _util.AnnotationBorderStyleType.UNDERLINE;
+          break;
+
+        default:
+          break;
+      }
+    }
+  }, {
+    key: "setDashArray",
+    value: function setDashArray(dashArray) {
+      if (Array.isArray(dashArray) && dashArray.length > 0) {
+        var isValid = true;
+        var allZeros = true;
+
+        var _iterator = _createForOfIteratorHelper(dashArray),
+            _step;
+
+        try {
+          for (_iterator.s(); !(_step = _iterator.n()).done;) {
+            var element = _step.value;
+            var validNumber = +element >= 0;
+
+            if (!validNumber) {
+              isValid = false;
+              break;
+            } else if (element > 0) {
+              allZeros = false;
+            }
+          }
+        } catch (err) {
+          _iterator.e(err);
+        } finally {
+          _iterator.f();
+        }
+
+        if (isValid && !allZeros) {
+          this.dashArray = dashArray;
+        } else {
+          this.width = 0;
+        }
+      } else if (dashArray) {
+        this.width = 0;
+      }
+    }
+  }, {
+    key: "setHorizontalCornerRadius",
+    value: function setHorizontalCornerRadius(radius) {
+      if (Number.isInteger(radius)) {
+        this.horizontalCornerRadius = radius;
+      }
+    }
+  }, {
+    key: "setVerticalCornerRadius",
+    value: function setVerticalCornerRadius(radius) {
+      if (Number.isInteger(radius)) {
+        this.verticalCornerRadius = radius;
+      }
+    }
+  }]);
+
+  return AnnotationBorderStyle;
+}();
+
+exports.AnnotationBorderStyle = AnnotationBorderStyle;
+
+var MarkupAnnotation = /*#__PURE__*/function (_Annotation) {
+  _inherits(MarkupAnnotation, _Annotation);
+
+  var _super = _createSuper(MarkupAnnotation);
+
+  function MarkupAnnotation(parameters) {
+    var _this2;
+
+    _classCallCheck(this, MarkupAnnotation);
+
+    _this2 = _super.call(this, parameters);
+    var dict = parameters.dict;
+
+    if (dict.has("IRT")) {
+      var rawIRT = dict.getRaw("IRT");
+      _this2.data.inReplyTo = (0, _primitives.isRef)(rawIRT) ? rawIRT.toString() : null;
+      var rt = dict.get("RT");
+      _this2.data.replyType = (0, _primitives.isName)(rt) ? rt.name : _util.AnnotationReplyType.REPLY;
+    }
+
+    if (_this2.data.replyType === _util.AnnotationReplyType.GROUP) {
+      var parent = dict.get("IRT");
+      _this2.data.title = (0, _util.stringToPDFString)(parent.get("T") || "");
+
+      _this2.setContents(parent.get("Contents"));
+
+      _this2.data.contents = _this2.contents;
+
+      if (!parent.has("CreationDate")) {
+        _this2.data.creationDate = null;
+      } else {
+        _this2.setCreationDate(parent.get("CreationDate"));
+
+        _this2.data.creationDate = _this2.creationDate;
+      }
+
+      if (!parent.has("M")) {
+        _this2.data.modificationDate = null;
+      } else {
+        _this2.setModificationDate(parent.get("M"));
+
+        _this2.data.modificationDate = _this2.modificationDate;
+      }
+
+      _this2.data.hasPopup = parent.has("Popup");
+
+      if (!parent.has("C")) {
+        _this2.data.color = null;
+      } else {
+        _this2.setColor(parent.getArray("C"));
+
+        _this2.data.color = _this2.color;
+      }
+    } else {
+      _this2.data.title = (0, _util.stringToPDFString)(dict.get("T") || "");
+
+      _this2.setCreationDate(dict.get("CreationDate"));
+
+      _this2.data.creationDate = _this2.creationDate;
+      _this2.data.hasPopup = dict.has("Popup");
+
+      if (!dict.has("C")) {
+        _this2.data.color = null;
+      }
+    }
+
+    return _this2;
+  }
+
+  _createClass(MarkupAnnotation, [{
+    key: "setCreationDate",
+    value: function setCreationDate(creationDate) {
+      this.creationDate = (0, _util.isString)(creationDate) ? creationDate : null;
+    }
+  }]);
+
+  return MarkupAnnotation;
+}(Annotation);
+
+exports.MarkupAnnotation = MarkupAnnotation;
+
+var WidgetAnnotation = /*#__PURE__*/function (_Annotation2) {
+  _inherits(WidgetAnnotation, _Annotation2);
+
+  var _super2 = _createSuper(WidgetAnnotation);
+
+  function WidgetAnnotation(params) {
+    var _this3;
+
+    _classCallCheck(this, WidgetAnnotation);
+
+    _this3 = _super2.call(this, params);
+    var dict = params.dict;
+    var data = _this3.data;
+    _this3.ref = params.ref;
+    data.annotationType = _util.AnnotationType.WIDGET;
+    data.fieldName = _this3._constructFieldName(dict);
+    var fieldValue = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "V",
+      getArray: true
+    });
+    data.fieldValue = _this3._decodeFormValue(fieldValue);
+    data.alternativeText = (0, _util.stringToPDFString)(dict.get("TU") || "");
+    data.defaultAppearance = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "DA"
+    }) || params.acroForm.get("DA") || "";
+    var fieldType = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "FT"
+    });
+    data.fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+    _this3.fieldResources = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "DR"
+    }) || params.acroForm.get("DR") || _primitives.Dict.empty;
+    data.fieldFlags = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "Ff"
+    });
+
+    if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {
+      data.fieldFlags = 0;
+    }
+
+    data.readOnly = _this3.hasFieldFlag(_util.AnnotationFieldFlag.READONLY);
+
+    if (data.fieldType === "Sig") {
+      data.fieldValue = null;
+
+      _this3.setFlags(_util.AnnotationFlag.HIDDEN);
+    }
+
+    return _this3;
+  }
+
+  _createClass(WidgetAnnotation, [{
+    key: "_constructFieldName",
+    value: function _constructFieldName(dict) {
+      if (!dict.has("T") && !dict.has("Parent")) {
+        (0, _util.warn)("Unknown field name, falling back to empty field name.");
+        return "";
+      }
+
+      if (!dict.has("Parent")) {
+        return (0, _util.stringToPDFString)(dict.get("T"));
+      }
+
+      var fieldName = [];
+
+      if (dict.has("T")) {
+        fieldName.unshift((0, _util.stringToPDFString)(dict.get("T")));
+      }
+
+      var loopDict = dict;
+
+      while (loopDict.has("Parent")) {
+        loopDict = loopDict.get("Parent");
+
+        if (!(0, _primitives.isDict)(loopDict)) {
+          break;
+        }
+
+        if (loopDict.has("T")) {
+          fieldName.unshift((0, _util.stringToPDFString)(loopDict.get("T")));
+        }
+      }
+
+      return fieldName.join(".");
+    }
+  }, {
+    key: "_decodeFormValue",
+    value: function _decodeFormValue(formValue) {
+      if (Array.isArray(formValue)) {
+        return formValue.filter(function (item) {
+          return (0, _util.isString)(item);
+        }).map(function (item) {
+          return (0, _util.stringToPDFString)(item);
+        });
+      } else if ((0, _primitives.isName)(formValue)) {
+        return (0, _util.stringToPDFString)(formValue.name);
+      } else if ((0, _util.isString)(formValue)) {
+        return (0, _util.stringToPDFString)(formValue);
+      }
+
+      return null;
+    }
+  }, {
+    key: "hasFieldFlag",
+    value: function hasFieldFlag(flag) {
+      return !!(this.data.fieldFlags & flag);
+    }
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList(evaluator, task, renderForms, annotationStorage) {
+      var _this4 = this;
+
+      if (renderForms) {
+        return Promise.resolve(new _operator_list.OperatorList());
+      }
+
+      if (!this._hasText) {
+        return _get(_getPrototypeOf(WidgetAnnotation.prototype), "getOperatorList", this).call(this, evaluator, task, renderForms, annotationStorage);
+      }
+
+      return this._getAppearance(evaluator, task, annotationStorage).then(function (content) {
+        if (_this4.appearance && content === null) {
+          return _get(_getPrototypeOf(WidgetAnnotation.prototype), "getOperatorList", _this4).call(_this4, evaluator, task, renderForms, annotationStorage);
+        }
+
+        var operatorList = new _operator_list.OperatorList();
+
+        if (!_this4.data.defaultAppearance || content === null) {
+          return operatorList;
+        }
+
+        var matrix = [1, 0, 0, 1, 0, 0];
+        var bbox = [0, 0, _this4.data.rect[2] - _this4.data.rect[0], _this4.data.rect[3] - _this4.data.rect[1]];
+        var transform = getTransformMatrix(_this4.data.rect, bbox, matrix);
+        operatorList.addOp(_util.OPS.beginAnnotation, [_this4.data.rect, transform, matrix]);
+        var stream = new _stream.StringStream(content);
+        return evaluator.getOperatorList({
+          stream: stream,
+          task: task,
+          resources: _this4.fieldResources,
+          operatorList: operatorList
+        }).then(function () {
+          operatorList.addOp(_util.OPS.endAnnotation, []);
+          return operatorList;
+        });
+      });
+    }
+  }, {
+    key: "save",
+    value: function () {
+      var _save2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2(evaluator, task, annotationStorage) {
+        var appearance, dict, bbox, newRef, AP, value, encrypt, originalTransform, newTransform, appearanceDict, bufferOriginal, bufferNew;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                if (!(this.data.fieldValue === annotationStorage[this.data.id])) {
+                  _context2.next = 2;
+                  break;
+                }
+
+                return _context2.abrupt("return", null);
+
+              case 2:
+                _context2.next = 4;
+                return this._getAppearance(evaluator, task, annotationStorage);
+
+              case 4:
+                appearance = _context2.sent;
+
+                if (!(appearance === null)) {
+                  _context2.next = 7;
+                  break;
+                }
+
+                return _context2.abrupt("return", null);
+
+              case 7:
+                dict = evaluator.xref.fetchIfRef(this.ref);
+
+                if ((0, _primitives.isDict)(dict)) {
+                  _context2.next = 10;
+                  break;
+                }
+
+                return _context2.abrupt("return", null);
+
+              case 10:
+                bbox = [0, 0, this.data.rect[2] - this.data.rect[0], this.data.rect[3] - this.data.rect[1]];
+                newRef = evaluator.xref.getNewRef();
+                AP = new _primitives.Dict(evaluator.xref);
+                AP.set("N", newRef);
+                value = annotationStorage[this.data.id];
+                encrypt = evaluator.xref.encrypt;
+                originalTransform = null;
+                newTransform = null;
+
+                if (encrypt) {
+                  originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+                  newTransform = encrypt.createCipherTransform(newRef.num, newRef.gen);
+                  appearance = newTransform.encryptString(appearance);
+                }
+
+                dict.set("V", value);
+                dict.set("AP", AP);
+                dict.set("M", "D:".concat((0, _util.getModificationDate)()));
+                appearanceDict = new _primitives.Dict(evaluator.xref);
+                appearanceDict.set("Length", appearance.length);
+                appearanceDict.set("Subtype", _primitives.Name.get("Form"));
+                appearanceDict.set("Resources", this.fieldResources);
+                appearanceDict.set("BBox", bbox);
+                bufferOriginal = ["".concat(this.ref.num, " ").concat(this.ref.gen, " obj\n")];
+                (0, _writer.writeDict)(dict, bufferOriginal, originalTransform);
+                bufferOriginal.push("\nendobj\n");
+                bufferNew = ["".concat(newRef.num, " ").concat(newRef.gen, " obj\n")];
+                (0, _writer.writeDict)(appearanceDict, bufferNew, newTransform);
+                bufferNew.push(" stream\n");
+                bufferNew.push(appearance);
+                bufferNew.push("\nendstream\nendobj\n");
+                return _context2.abrupt("return", [{
+                  ref: this.ref,
+                  data: bufferOriginal.join("")
+                }, {
+                  ref: newRef,
+                  data: bufferNew.join("")
+                }]);
+
+              case 36:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function save(_x4, _x5, _x6) {
+        return _save2.apply(this, arguments);
+      }
+
+      return save;
+    }()
+  }, {
+    key: "_getAppearance",
+    value: function () {
+      var _getAppearance2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3(evaluator, task, annotationStorage) {
+        var isPassword, value, defaultPadding, hPadding, totalHeight, totalWidth, fontInfo, _fontInfo, font, fontName, fontSize, descent, vPadding, defaultAppearance, alignment, renderedText;
+
+        return _regenerator["default"].wrap(function _callee3$(_context3) {
+          while (1) {
+            switch (_context3.prev = _context3.next) {
+              case 0:
+                isPassword = this.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD);
+
+                if (!(!annotationStorage || isPassword)) {
+                  _context3.next = 3;
+                  break;
+                }
+
+                return _context3.abrupt("return", null);
+
+              case 3:
+                value = annotationStorage[this.data.id];
+
+                if (!(value === "")) {
+                  _context3.next = 6;
+                  break;
+                }
+
+                return _context3.abrupt("return", "");
+
+              case 6:
+                defaultPadding = 2;
+                hPadding = defaultPadding;
+                totalHeight = this.data.rect[3] - this.data.rect[1];
+                totalWidth = this.data.rect[2] - this.data.rect[0];
+                _context3.next = 12;
+                return this._getFontData(evaluator, task);
+
+              case 12:
+                fontInfo = _context3.sent;
+                _fontInfo = _slicedToArray(fontInfo, 2), font = _fontInfo[0], fontName = _fontInfo[1];
+                fontSize = fontInfo[2];
+                fontSize = this._computeFontSize(font, fontName, fontSize, totalHeight);
+                descent = font.descent;
+
+                if (isNaN(descent)) {
+                  descent = 0;
+                }
+
+                vPadding = defaultPadding + Math.abs(descent) * fontSize;
+                defaultAppearance = this.data.defaultAppearance;
+                alignment = this.data.textAlignment;
+
+                if (!this.data.comb) {
+                  _context3.next = 23;
+                  break;
+                }
+
+                return _context3.abrupt("return", this._getCombAppearance(defaultAppearance, value, totalWidth, hPadding, vPadding));
+
+              case 23:
+                if (!this.data.multiLine) {
+                  _context3.next = 25;
+                  break;
+                }
+
+                return _context3.abrupt("return", this._getMultilineAppearance(defaultAppearance, value, font, fontSize, totalWidth, totalHeight, alignment, hPadding, vPadding));
+
+              case 25:
+                if (!(alignment === 0 || alignment > 2)) {
+                  _context3.next = 27;
+                  break;
+                }
+
+                return _context3.abrupt("return", "/Tx BMC q BT " + defaultAppearance + " 1 0 0 1 ".concat(hPadding, " ").concat(vPadding, " Tm (").concat((0, _util.escapeString)(value), ") Tj") + " ET Q EMC");
+
+              case 27:
+                renderedText = this._renderText(value, font, fontSize, totalWidth, alignment, hPadding, vPadding);
+                return _context3.abrupt("return", "/Tx BMC q BT " + defaultAppearance + " 1 0 0 1 0 0 Tm ".concat(renderedText) + " ET Q EMC");
+
+              case 29:
+              case "end":
+                return _context3.stop();
+            }
+          }
+        }, _callee3, this);
+      }));
+
+      function _getAppearance(_x7, _x8, _x9) {
+        return _getAppearance2.apply(this, arguments);
+      }
+
+      return _getAppearance;
+    }()
+  }, {
+    key: "_getFontData",
+    value: function () {
+      var _getFontData2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee4(evaluator, task) {
+        var operatorList, initialState;
+        return _regenerator["default"].wrap(function _callee4$(_context4) {
+          while (1) {
+            switch (_context4.prev = _context4.next) {
+              case 0:
+                operatorList = new _operator_list.OperatorList();
+                initialState = {
+                  fontSize: 0,
+                  font: null,
+                  fontName: null,
+                  clone: function clone() {
+                    return this;
+                  }
+                };
+                _context4.next = 4;
+                return evaluator.getOperatorList({
+                  stream: new _stream.StringStream(this.data.defaultAppearance),
+                  task: task,
+                  resources: this.fieldResources,
+                  operatorList: operatorList,
+                  initialState: initialState
+                });
+
+              case 4:
+                return _context4.abrupt("return", [initialState.font, initialState.fontName, initialState.fontSize]);
+
+              case 5:
+              case "end":
+                return _context4.stop();
+            }
+          }
+        }, _callee4, this);
+      }));
+
+      function _getFontData(_x10, _x11) {
+        return _getFontData2.apply(this, arguments);
+      }
+
+      return _getFontData;
+    }()
+  }, {
+    key: "_computeFontSize",
+    value: function _computeFontSize(font, fontName, fontSize, height) {
+      if (fontSize === null || fontSize === 0) {
+        var em = font.charsToGlyphs("M", true)[0].width / 1000;
+        var capHeight = 0.7 * em;
+        fontSize = Math.max(1, Math.floor(height / (1.5 * capHeight)));
+        var fontRegex = new RegExp("/".concat(fontName, "\\s+[0-9.]+\\s+Tf"));
+
+        if (this.data.defaultAppearance.search(fontRegex) === -1) {
+          fontRegex = new RegExp("/".concat(fontName, "\\s+Tf"));
+        }
+
+        this.data.defaultAppearance = this.data.defaultAppearance.replace(fontRegex, "/".concat(fontName, " ").concat(fontSize, " Tf"));
+      }
+
+      return fontSize;
+    }
+  }, {
+    key: "_renderText",
+    value: function _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {
+      var glyphs = font.charsToGlyphs(text);
+      var scale = fontSize / 1000;
+      var width = 0;
+
+      var _iterator2 = _createForOfIteratorHelper(glyphs),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var glyph = _step2.value;
+          width += glyph.width * scale;
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+
+      var shift;
+
+      if (alignment === 1) {
+        shift = (totalWidth - width) / 2;
+      } else if (alignment === 2) {
+        shift = totalWidth - width - hPadding;
+      } else {
+        shift = hPadding;
+      }
+
+      shift = shift.toFixed(2);
+      vPadding = vPadding.toFixed(2);
+      return "".concat(shift, " ").concat(vPadding, " Td (").concat((0, _util.escapeString)(text), ") Tj");
+    }
+  }]);
+
+  return WidgetAnnotation;
+}(Annotation);
+
+var TextWidgetAnnotation = /*#__PURE__*/function (_WidgetAnnotation) {
+  _inherits(TextWidgetAnnotation, _WidgetAnnotation);
+
+  var _super3 = _createSuper(TextWidgetAnnotation);
+
+  function TextWidgetAnnotation(params) {
+    var _this5;
+
+    _classCallCheck(this, TextWidgetAnnotation);
+
+    _this5 = _super3.call(this, params);
+    _this5._hasText = true;
+    var dict = params.dict;
+
+    if (!(0, _util.isString)(_this5.data.fieldValue)) {
+      _this5.data.fieldValue = "";
+    }
+
+    var alignment = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "Q"
+    });
+
+    if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {
+      alignment = null;
+    }
+
+    _this5.data.textAlignment = alignment;
+    var maximumLength = (0, _core_utils.getInheritableProperty)({
+      dict: dict,
+      key: "MaxLen"
+    });
+
+    if (!Number.isInteger(maximumLength) || maximumLength < 0) {
+      maximumLength = null;
+    }
+
+    _this5.data.maxLen = maximumLength;
+    _this5.data.multiLine = _this5.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE);
+    _this5.data.comb = _this5.hasFieldFlag(_util.AnnotationFieldFlag.COMB) && !_this5.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE) && !_this5.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD) && !_this5.hasFieldFlag(_util.AnnotationFieldFlag.FILESELECT) && _this5.data.maxLen !== null;
+    return _this5;
+  }
+
+  _createClass(TextWidgetAnnotation, [{
+    key: "_getCombAppearance",
+    value: function _getCombAppearance(defaultAppearance, text, width, hPadding, vPadding) {
+      var combWidth = (width / this.data.maxLen).toFixed(2);
+      var buf = [];
+
+      var _iterator3 = _createForOfIteratorHelper(text),
+          _step3;
+
+      try {
+        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+          var character = _step3.value;
+          buf.push("(".concat((0, _util.escapeString)(character), ") Tj"));
+        }
+      } catch (err) {
+        _iterator3.e(err);
+      } finally {
+        _iterator3.f();
+      }
+
+      var renderedComb = buf.join(" ".concat(combWidth, " 0 Td "));
+      return "/Tx BMC q BT " + defaultAppearance + " 1 0 0 1 ".concat(hPadding, " ").concat(vPadding, " Tm ").concat(renderedComb) + " ET Q EMC";
+    }
+  }, {
+    key: "_getMultilineAppearance",
+    value: function _getMultilineAppearance(defaultAppearance, text, font, fontSize, width, height, alignment, hPadding, vPadding) {
+      var lines = text.split(/\r\n|\r|\n/);
+      var buf = [];
+      var totalWidth = width - 2 * hPadding;
+
+      var _iterator4 = _createForOfIteratorHelper(lines),
+          _step4;
+
+      try {
+        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+          var line = _step4.value;
+
+          var chunks = this._splitLine(line, font, fontSize, totalWidth);
+
+          var _iterator5 = _createForOfIteratorHelper(chunks),
+              _step5;
+
+          try {
+            for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+              var chunk = _step5.value;
+              var padding = buf.length === 0 ? hPadding : 0;
+              buf.push(this._renderText(chunk, font, fontSize, width, alignment, padding, -fontSize));
+            }
+          } catch (err) {
+            _iterator5.e(err);
+          } finally {
+            _iterator5.f();
+          }
+        }
+      } catch (err) {
+        _iterator4.e(err);
+      } finally {
+        _iterator4.f();
+      }
+
+      var renderedText = buf.join("\n");
+      return "/Tx BMC q BT " + defaultAppearance + " 1 0 0 1 0 ".concat(height, " Tm ").concat(renderedText) + " ET Q EMC";
+    }
+  }, {
+    key: "_splitLine",
+    value: function _splitLine(line, font, fontSize, width) {
+      if (line.length <= 1) {
+        return [line];
+      }
+
+      var scale = fontSize / 1000;
+      var whitespace = font.charsToGlyphs(" ", true)[0].width * scale;
+      var chunks = [];
+      var lastSpacePos = -1,
+          startChunk = 0,
+          currentWidth = 0;
+
+      for (var i = 0, ii = line.length; i < ii; i++) {
+        var character = line.charAt(i);
+
+        if (character === " ") {
+          if (currentWidth + whitespace > width) {
+            chunks.push(line.substring(startChunk, i));
+            startChunk = i;
+            currentWidth = whitespace;
+            lastSpacePos = -1;
+          } else {
+            currentWidth += whitespace;
+            lastSpacePos = i;
+          }
+        } else {
+          var charWidth = font.charsToGlyphs(character, false)[0].width * scale;
+
+          if (currentWidth + charWidth > width) {
+            if (lastSpacePos !== -1) {
+              chunks.push(line.substring(startChunk, lastSpacePos + 1));
+              startChunk = i = lastSpacePos + 1;
+              lastSpacePos = -1;
+              currentWidth = 0;
+            } else {
+              chunks.push(line.substring(startChunk, i));
+              startChunk = i;
+              currentWidth = charWidth;
+            }
+          } else {
+            currentWidth += charWidth;
+          }
+        }
+      }
+
+      if (startChunk < line.length) {
+        chunks.push(line.substring(startChunk, line.length));
+      }
+
+      return chunks;
+    }
+  }]);
+
+  return TextWidgetAnnotation;
+}(WidgetAnnotation);
+
+var ButtonWidgetAnnotation = /*#__PURE__*/function (_WidgetAnnotation2) {
+  _inherits(ButtonWidgetAnnotation, _WidgetAnnotation2);
+
+  var _super4 = _createSuper(ButtonWidgetAnnotation);
+
+  function ButtonWidgetAnnotation(params) {
+    var _this6;
+
+    _classCallCheck(this, ButtonWidgetAnnotation);
+
+    _this6 = _super4.call(this, params);
+    _this6.checkedAppearance = null;
+    _this6.uncheckedAppearance = null;
+    _this6.data.checkBox = !_this6.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !_this6.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    _this6.data.radioButton = _this6.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !_this6.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    _this6.data.pushButton = _this6.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+
+    if (_this6.data.checkBox) {
+      _this6._processCheckBox(params);
+    } else if (_this6.data.radioButton) {
+      _this6._processRadioButton(params);
+    } else if (_this6.data.pushButton) {
+      _this6._processPushButton(params);
+    } else {
+      (0, _util.warn)("Invalid field flags for button widget annotation");
+    }
+
+    return _this6;
+  }
+
+  _createClass(ButtonWidgetAnnotation, [{
+    key: "getOperatorList",
+    value: function getOperatorList(evaluator, task, renderForms, annotationStorage) {
+      if (this.data.pushButton) {
+        return _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype), "getOperatorList", this).call(this, evaluator, task, false, annotationStorage);
+      }
+
+      if (annotationStorage) {
+        var value = annotationStorage[this.data.id] || false;
+        var appearance;
+
+        if (value) {
+          appearance = this.checkedAppearance;
+        } else {
+          appearance = this.uncheckedAppearance;
+        }
+
+        if (appearance) {
+          var savedAppearance = this.appearance;
+          this.appearance = appearance;
+
+          var operatorList = _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype), "getOperatorList", this).call(this, evaluator, task, renderForms, annotationStorage);
+
+          this.appearance = savedAppearance;
+          return operatorList;
+        }
+
+        return Promise.resolve(new _operator_list.OperatorList());
+      }
+
+      return _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype), "getOperatorList", this).call(this, evaluator, task, renderForms, annotationStorage);
+    }
+  }, {
+    key: "save",
+    value: function () {
+      var _save3 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee5(evaluator, task, annotationStorage) {
+        return _regenerator["default"].wrap(function _callee5$(_context5) {
+          while (1) {
+            switch (_context5.prev = _context5.next) {
+              case 0:
+                if (!this.data.checkBox) {
+                  _context5.next = 2;
+                  break;
+                }
+
+                return _context5.abrupt("return", this._saveCheckbox(evaluator, task, annotationStorage));
+
+              case 2:
+                if (!this.data.radioButton) {
+                  _context5.next = 4;
+                  break;
+                }
+
+                return _context5.abrupt("return", this._saveRadioButton(evaluator, task, annotationStorage));
+
+              case 4:
+                return _context5.abrupt("return", _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype), "save", this).call(this, evaluator, task, annotationStorage));
+
+              case 5:
+              case "end":
+                return _context5.stop();
+            }
+          }
+        }, _callee5, this);
+      }));
+
+      function save(_x12, _x13, _x14) {
+        return _save3.apply(this, arguments);
+      }
+
+      return save;
+    }()
+  }, {
+    key: "_saveCheckbox",
+    value: function () {
+      var _saveCheckbox2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee6(evaluator, task, annotationStorage) {
+        var defaultValue, value, dict, name, encrypt, originalTransform, buffer;
+        return _regenerator["default"].wrap(function _callee6$(_context6) {
+          while (1) {
+            switch (_context6.prev = _context6.next) {
+              case 0:
+                defaultValue = this.data.fieldValue && this.data.fieldValue !== "Off";
+                value = annotationStorage[this.data.id];
+
+                if (!(defaultValue === value)) {
+                  _context6.next = 4;
+                  break;
+                }
+
+                return _context6.abrupt("return", null);
+
+              case 4:
+                dict = evaluator.xref.fetchIfRef(this.ref);
+
+                if ((0, _primitives.isDict)(dict)) {
+                  _context6.next = 7;
+                  break;
+                }
+
+                return _context6.abrupt("return", null);
+
+              case 7:
+                name = _primitives.Name.get(value ? this.data.exportValue : "Off");
+                dict.set("V", name);
+                dict.set("AS", name);
+                dict.set("M", "D:".concat((0, _util.getModificationDate)()));
+                encrypt = evaluator.xref.encrypt;
+                originalTransform = null;
+
+                if (encrypt) {
+                  originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+                }
+
+                buffer = ["".concat(this.ref.num, " ").concat(this.ref.gen, " obj\n")];
+                (0, _writer.writeDict)(dict, buffer, originalTransform);
+                buffer.push("\nendobj\n");
+                return _context6.abrupt("return", [{
+                  ref: this.ref,
+                  data: buffer.join("")
+                }]);
+
+              case 18:
+              case "end":
+                return _context6.stop();
+            }
+          }
+        }, _callee6, this);
+      }));
+
+      function _saveCheckbox(_x15, _x16, _x17) {
+        return _saveCheckbox2.apply(this, arguments);
+      }
+
+      return _saveCheckbox;
+    }()
+  }, {
+    key: "_saveRadioButton",
+    value: function () {
+      var _saveRadioButton2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee7(evaluator, task, annotationStorage) {
+        var defaultValue, value, dict, name, parentBuffer, encrypt, parent, parentTransform, originalTransform, buffer, newRefs;
+        return _regenerator["default"].wrap(function _callee7$(_context7) {
+          while (1) {
+            switch (_context7.prev = _context7.next) {
+              case 0:
+                defaultValue = this.data.fieldValue === this.data.buttonValue;
+                value = annotationStorage[this.data.id];
+
+                if (!(defaultValue === value)) {
+                  _context7.next = 4;
+                  break;
+                }
+
+                return _context7.abrupt("return", null);
+
+              case 4:
+                dict = evaluator.xref.fetchIfRef(this.ref);
+
+                if ((0, _primitives.isDict)(dict)) {
+                  _context7.next = 7;
+                  break;
+                }
+
+                return _context7.abrupt("return", null);
+
+              case 7:
+                name = _primitives.Name.get(value ? this.data.buttonValue : "Off");
+                parentBuffer = null;
+                encrypt = evaluator.xref.encrypt;
+
+                if (value) {
+                  if ((0, _primitives.isRef)(this.parent)) {
+                    parent = evaluator.xref.fetch(this.parent);
+                    parentTransform = null;
+
+                    if (encrypt) {
+                      parentTransform = encrypt.createCipherTransform(this.parent.num, this.parent.gen);
+                    }
+
+                    parent.set("V", name);
+                    parentBuffer = ["".concat(this.parent.num, " ").concat(this.parent.gen, " obj\n")];
+                    (0, _writer.writeDict)(parent, parentBuffer, parentTransform);
+                    parentBuffer.push("\nendobj\n");
+                  } else if ((0, _primitives.isDict)(this.parent)) {
+                    this.parent.set("V", name);
+                  }
+                }
+
+                dict.set("AS", name);
+                dict.set("M", "D:".concat((0, _util.getModificationDate)()));
+                originalTransform = null;
+
+                if (encrypt) {
+                  originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+                }
+
+                buffer = ["".concat(this.ref.num, " ").concat(this.ref.gen, " obj\n")];
+                (0, _writer.writeDict)(dict, buffer, originalTransform);
+                buffer.push("\nendobj\n");
+                newRefs = [{
+                  ref: this.ref,
+                  data: buffer.join("")
+                }];
+
+                if (parentBuffer !== null) {
+                  newRefs.push({
+                    ref: this.parent,
+                    data: parentBuffer.join("")
+                  });
+                }
+
+                return _context7.abrupt("return", newRefs);
+
+              case 21:
+              case "end":
+                return _context7.stop();
+            }
+          }
+        }, _callee7, this);
+      }));
+
+      function _saveRadioButton(_x18, _x19, _x20) {
+        return _saveRadioButton2.apply(this, arguments);
+      }
+
+      return _saveRadioButton;
+    }()
+  }, {
+    key: "_processCheckBox",
+    value: function _processCheckBox(params) {
+      var customAppearance = params.dict.get("AP");
+
+      if (!(0, _primitives.isDict)(customAppearance)) {
+        return;
+      }
+
+      var normalAppearance = customAppearance.get("N");
+
+      if (!(0, _primitives.isDict)(normalAppearance)) {
+        return;
+      }
+
+      var exportValues = normalAppearance.getKeys();
+
+      if (!exportValues.includes("Off")) {
+        exportValues.push("Off");
+      }
+
+      if (exportValues.length !== 2) {
+        return;
+      }
+
+      this.data.exportValue = exportValues[0] === "Off" ? exportValues[1] : exportValues[0];
+      this.checkedAppearance = normalAppearance.get(this.data.exportValue);
+      this.uncheckedAppearance = normalAppearance.get("Off") || null;
+    }
+  }, {
+    key: "_processRadioButton",
+    value: function _processRadioButton(params) {
+      this.data.fieldValue = this.data.buttonValue = null;
+      var fieldParent = params.dict.get("Parent");
+
+      if ((0, _primitives.isDict)(fieldParent) && fieldParent.has("V")) {
+        var fieldParentValue = fieldParent.get("V");
+
+        if ((0, _primitives.isName)(fieldParentValue)) {
+          this.parent = params.dict.getRaw("Parent");
+          this.data.fieldValue = this._decodeFormValue(fieldParentValue);
+        }
+      }
+
+      var appearanceStates = params.dict.get("AP");
+
+      if (!(0, _primitives.isDict)(appearanceStates)) {
+        return;
+      }
+
+      var normalAppearance = appearanceStates.get("N");
+
+      if (!(0, _primitives.isDict)(normalAppearance)) {
+        return;
+      }
+
+      var _iterator6 = _createForOfIteratorHelper(normalAppearance.getKeys()),
+          _step6;
+
+      try {
+        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+          var key = _step6.value;
+
+          if (key !== "Off") {
+            this.data.buttonValue = key;
+            break;
+          }
+        }
+      } catch (err) {
+        _iterator6.e(err);
+      } finally {
+        _iterator6.f();
+      }
+
+      this.checkedAppearance = normalAppearance.get(this.data.buttonValue);
+      this.uncheckedAppearance = normalAppearance.get("Off") || null;
+    }
+  }, {
+    key: "_processPushButton",
+    value: function _processPushButton(params) {
+      if (!params.dict.has("A")) {
+        (0, _util.warn)("Push buttons without action dictionaries are not supported");
+        return;
+      }
+
+      _obj.Catalog.parseDestDictionary({
+        destDict: params.dict,
+        resultObj: this.data,
+        docBaseUrl: params.pdfManager.docBaseUrl
+      });
+    }
+  }]);
+
+  return ButtonWidgetAnnotation;
+}(WidgetAnnotation);
+
+var ChoiceWidgetAnnotation = /*#__PURE__*/function (_WidgetAnnotation3) {
+  _inherits(ChoiceWidgetAnnotation, _WidgetAnnotation3);
+
+  var _super5 = _createSuper(ChoiceWidgetAnnotation);
+
+  function ChoiceWidgetAnnotation(params) {
+    var _this7;
+
+    _classCallCheck(this, ChoiceWidgetAnnotation);
+
+    _this7 = _super5.call(this, params);
+    _this7.data.options = [];
+    var options = (0, _core_utils.getInheritableProperty)({
+      dict: params.dict,
+      key: "Opt"
+    });
+
+    if (Array.isArray(options)) {
+      var xref = params.xref;
+
+      for (var i = 0, ii = options.length; i < ii; i++) {
+        var option = xref.fetchIfRef(options[i]);
+        var isOptionArray = Array.isArray(option);
+        _this7.data.options[i] = {
+          exportValue: _this7._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[0]) : option),
+          displayValue: _this7._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[1]) : option)
+        };
+      }
+    }
+
+    if ((0, _util.isString)(_this7.data.fieldValue)) {
+      _this7.data.fieldValue = [_this7.data.fieldValue];
+    } else if (!_this7.data.fieldValue) {
+      _this7.data.fieldValue = [];
+    }
+
+    _this7.data.combo = _this7.hasFieldFlag(_util.AnnotationFieldFlag.COMBO);
+    _this7.data.multiSelect = _this7.hasFieldFlag(_util.AnnotationFieldFlag.MULTISELECT);
+    _this7._hasText = true;
+    return _this7;
+  }
+
+  return ChoiceWidgetAnnotation;
+}(WidgetAnnotation);
+
+var TextAnnotation = /*#__PURE__*/function (_MarkupAnnotation) {
+  _inherits(TextAnnotation, _MarkupAnnotation);
+
+  var _super6 = _createSuper(TextAnnotation);
+
+  function TextAnnotation(parameters) {
+    var _this8;
+
+    _classCallCheck(this, TextAnnotation);
+
+    var DEFAULT_ICON_SIZE = 22;
+    _this8 = _super6.call(this, parameters);
+    var dict = parameters.dict;
+    _this8.data.annotationType = _util.AnnotationType.TEXT;
+
+    if (_this8.data.hasAppearance) {
+      _this8.data.name = "NoIcon";
+    } else {
+      _this8.data.rect[1] = _this8.data.rect[3] - DEFAULT_ICON_SIZE;
+      _this8.data.rect[2] = _this8.data.rect[0] + DEFAULT_ICON_SIZE;
+      _this8.data.name = dict.has("Name") ? dict.get("Name").name : "Note";
+    }
+
+    if (dict.has("State")) {
+      _this8.data.state = dict.get("State") || null;
+      _this8.data.stateModel = dict.get("StateModel") || null;
+    } else {
+      _this8.data.state = null;
+      _this8.data.stateModel = null;
+    }
+
+    return _this8;
+  }
+
+  return TextAnnotation;
+}(MarkupAnnotation);
+
+var LinkAnnotation = /*#__PURE__*/function (_Annotation3) {
+  _inherits(LinkAnnotation, _Annotation3);
+
+  var _super7 = _createSuper(LinkAnnotation);
+
+  function LinkAnnotation(params) {
+    var _this9;
+
+    _classCallCheck(this, LinkAnnotation);
+
+    _this9 = _super7.call(this, params);
+    _this9.data.annotationType = _util.AnnotationType.LINK;
+    var quadPoints = getQuadPoints(params.dict, _this9.rectangle);
+
+    if (quadPoints) {
+      _this9.data.quadPoints = quadPoints;
+    }
+
+    _obj.Catalog.parseDestDictionary({
+      destDict: params.dict,
+      resultObj: _this9.data,
+      docBaseUrl: params.pdfManager.docBaseUrl
+    });
+
+    return _this9;
+  }
+
+  return LinkAnnotation;
+}(Annotation);
+
+var PopupAnnotation = /*#__PURE__*/function (_Annotation4) {
+  _inherits(PopupAnnotation, _Annotation4);
+
+  var _super8 = _createSuper(PopupAnnotation);
+
+  function PopupAnnotation(parameters) {
+    var _this10;
+
+    _classCallCheck(this, PopupAnnotation);
+
+    _this10 = _super8.call(this, parameters);
+    _this10.data.annotationType = _util.AnnotationType.POPUP;
+    var parentItem = parameters.dict.get("Parent");
+
+    if (!parentItem) {
+      (0, _util.warn)("Popup annotation has a missing or invalid parent annotation.");
+      return _possibleConstructorReturn(_this10);
+    }
+
+    var parentSubtype = parentItem.get("Subtype");
+    _this10.data.parentType = (0, _primitives.isName)(parentSubtype) ? parentSubtype.name : null;
+    var rawParent = parameters.dict.getRaw("Parent");
+    _this10.data.parentId = (0, _primitives.isRef)(rawParent) ? rawParent.toString() : null;
+    var rt = parentItem.get("RT");
+
+    if ((0, _primitives.isName)(rt, _util.AnnotationReplyType.GROUP)) {
+      parentItem = parentItem.get("IRT");
+    }
+
+    if (!parentItem.has("M")) {
+      _this10.data.modificationDate = null;
+    } else {
+      _this10.setModificationDate(parentItem.get("M"));
+
+      _this10.data.modificationDate = _this10.modificationDate;
+    }
+
+    if (!parentItem.has("C")) {
+      _this10.data.color = null;
+    } else {
+      _this10.setColor(parentItem.getArray("C"));
+
+      _this10.data.color = _this10.color;
+    }
+
+    if (!_this10.viewable) {
+      var parentFlags = parentItem.get("F");
+
+      if (_this10._isViewable(parentFlags)) {
+        _this10.setFlags(parentFlags);
+      }
+    }
+
+    _this10.data.title = (0, _util.stringToPDFString)(parentItem.get("T") || "");
+    _this10.data.contents = (0, _util.stringToPDFString)(parentItem.get("Contents") || "");
+    return _this10;
+  }
+
+  return PopupAnnotation;
+}(Annotation);
+
+var FreeTextAnnotation = /*#__PURE__*/function (_MarkupAnnotation2) {
+  _inherits(FreeTextAnnotation, _MarkupAnnotation2);
+
+  var _super9 = _createSuper(FreeTextAnnotation);
+
+  function FreeTextAnnotation(parameters) {
+    var _this11;
+
+    _classCallCheck(this, FreeTextAnnotation);
+
+    _this11 = _super9.call(this, parameters);
+    _this11.data.annotationType = _util.AnnotationType.FREETEXT;
+    return _this11;
+  }
+
+  return FreeTextAnnotation;
+}(MarkupAnnotation);
+
+var LineAnnotation = /*#__PURE__*/function (_MarkupAnnotation3) {
+  _inherits(LineAnnotation, _MarkupAnnotation3);
+
+  var _super10 = _createSuper(LineAnnotation);
+
+  function LineAnnotation(parameters) {
+    var _this12;
+
+    _classCallCheck(this, LineAnnotation);
+
+    _this12 = _super10.call(this, parameters);
+    _this12.data.annotationType = _util.AnnotationType.LINE;
+    _this12.data.lineCoordinates = _util.Util.normalizeRect(parameters.dict.getArray("L"));
+    return _this12;
+  }
+
+  return LineAnnotation;
+}(MarkupAnnotation);
+
+var SquareAnnotation = /*#__PURE__*/function (_MarkupAnnotation4) {
+  _inherits(SquareAnnotation, _MarkupAnnotation4);
+
+  var _super11 = _createSuper(SquareAnnotation);
+
+  function SquareAnnotation(parameters) {
+    var _this13;
+
+    _classCallCheck(this, SquareAnnotation);
+
+    _this13 = _super11.call(this, parameters);
+    _this13.data.annotationType = _util.AnnotationType.SQUARE;
+    return _this13;
+  }
+
+  return SquareAnnotation;
+}(MarkupAnnotation);
+
+var CircleAnnotation = /*#__PURE__*/function (_MarkupAnnotation5) {
+  _inherits(CircleAnnotation, _MarkupAnnotation5);
+
+  var _super12 = _createSuper(CircleAnnotation);
+
+  function CircleAnnotation(parameters) {
+    var _this14;
+
+    _classCallCheck(this, CircleAnnotation);
+
+    _this14 = _super12.call(this, parameters);
+    _this14.data.annotationType = _util.AnnotationType.CIRCLE;
+    return _this14;
+  }
+
+  return CircleAnnotation;
+}(MarkupAnnotation);
+
+var PolylineAnnotation = /*#__PURE__*/function (_MarkupAnnotation6) {
+  _inherits(PolylineAnnotation, _MarkupAnnotation6);
+
+  var _super13 = _createSuper(PolylineAnnotation);
+
+  function PolylineAnnotation(parameters) {
+    var _this15;
+
+    _classCallCheck(this, PolylineAnnotation);
+
+    _this15 = _super13.call(this, parameters);
+    _this15.data.annotationType = _util.AnnotationType.POLYLINE;
+    var rawVertices = parameters.dict.getArray("Vertices");
+    _this15.data.vertices = [];
+
+    for (var i = 0, ii = rawVertices.length; i < ii; i += 2) {
+      _this15.data.vertices.push({
+        x: rawVertices[i],
+        y: rawVertices[i + 1]
+      });
+    }
+
+    return _this15;
+  }
+
+  return PolylineAnnotation;
+}(MarkupAnnotation);
+
+var PolygonAnnotation = /*#__PURE__*/function (_PolylineAnnotation) {
+  _inherits(PolygonAnnotation, _PolylineAnnotation);
+
+  var _super14 = _createSuper(PolygonAnnotation);
+
+  function PolygonAnnotation(parameters) {
+    var _this16;
+
+    _classCallCheck(this, PolygonAnnotation);
+
+    _this16 = _super14.call(this, parameters);
+    _this16.data.annotationType = _util.AnnotationType.POLYGON;
+    return _this16;
+  }
+
+  return PolygonAnnotation;
+}(PolylineAnnotation);
+
+var CaretAnnotation = /*#__PURE__*/function (_MarkupAnnotation7) {
+  _inherits(CaretAnnotation, _MarkupAnnotation7);
+
+  var _super15 = _createSuper(CaretAnnotation);
+
+  function CaretAnnotation(parameters) {
+    var _this17;
+
+    _classCallCheck(this, CaretAnnotation);
+
+    _this17 = _super15.call(this, parameters);
+    _this17.data.annotationType = _util.AnnotationType.CARET;
+    return _this17;
+  }
+
+  return CaretAnnotation;
+}(MarkupAnnotation);
+
+var InkAnnotation = /*#__PURE__*/function (_MarkupAnnotation8) {
+  _inherits(InkAnnotation, _MarkupAnnotation8);
+
+  var _super16 = _createSuper(InkAnnotation);
+
+  function InkAnnotation(parameters) {
+    var _this18;
+
+    _classCallCheck(this, InkAnnotation);
+
+    _this18 = _super16.call(this, parameters);
+    _this18.data.annotationType = _util.AnnotationType.INK;
+    var xref = parameters.xref;
+    var originalInkLists = parameters.dict.getArray("InkList");
+    _this18.data.inkLists = [];
+
+    for (var i = 0, ii = originalInkLists.length; i < ii; ++i) {
+      _this18.data.inkLists.push([]);
+
+      for (var j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {
+        _this18.data.inkLists[i].push({
+          x: xref.fetchIfRef(originalInkLists[i][j]),
+          y: xref.fetchIfRef(originalInkLists[i][j + 1])
+        });
+      }
+    }
+
+    return _this18;
+  }
+
+  return InkAnnotation;
+}(MarkupAnnotation);
+
+var HighlightAnnotation = /*#__PURE__*/function (_MarkupAnnotation9) {
+  _inherits(HighlightAnnotation, _MarkupAnnotation9);
+
+  var _super17 = _createSuper(HighlightAnnotation);
+
+  function HighlightAnnotation(parameters) {
+    var _this19;
+
+    _classCallCheck(this, HighlightAnnotation);
+
+    _this19 = _super17.call(this, parameters);
+    _this19.data.annotationType = _util.AnnotationType.HIGHLIGHT;
+    var quadPoints = getQuadPoints(parameters.dict, _this19.rectangle);
+
+    if (quadPoints) {
+      _this19.data.quadPoints = quadPoints;
+    }
+
+    return _this19;
+  }
+
+  return HighlightAnnotation;
+}(MarkupAnnotation);
+
+var UnderlineAnnotation = /*#__PURE__*/function (_MarkupAnnotation10) {
+  _inherits(UnderlineAnnotation, _MarkupAnnotation10);
+
+  var _super18 = _createSuper(UnderlineAnnotation);
+
+  function UnderlineAnnotation(parameters) {
+    var _this20;
+
+    _classCallCheck(this, UnderlineAnnotation);
+
+    _this20 = _super18.call(this, parameters);
+    _this20.data.annotationType = _util.AnnotationType.UNDERLINE;
+    var quadPoints = getQuadPoints(parameters.dict, _this20.rectangle);
+
+    if (quadPoints) {
+      _this20.data.quadPoints = quadPoints;
+    }
+
+    return _this20;
+  }
+
+  return UnderlineAnnotation;
+}(MarkupAnnotation);
+
+var SquigglyAnnotation = /*#__PURE__*/function (_MarkupAnnotation11) {
+  _inherits(SquigglyAnnotation, _MarkupAnnotation11);
+
+  var _super19 = _createSuper(SquigglyAnnotation);
+
+  function SquigglyAnnotation(parameters) {
+    var _this21;
+
+    _classCallCheck(this, SquigglyAnnotation);
+
+    _this21 = _super19.call(this, parameters);
+    _this21.data.annotationType = _util.AnnotationType.SQUIGGLY;
+    var quadPoints = getQuadPoints(parameters.dict, _this21.rectangle);
+
+    if (quadPoints) {
+      _this21.data.quadPoints = quadPoints;
+    }
+
+    return _this21;
+  }
+
+  return SquigglyAnnotation;
+}(MarkupAnnotation);
+
+var StrikeOutAnnotation = /*#__PURE__*/function (_MarkupAnnotation12) {
+  _inherits(StrikeOutAnnotation, _MarkupAnnotation12);
+
+  var _super20 = _createSuper(StrikeOutAnnotation);
+
+  function StrikeOutAnnotation(parameters) {
+    var _this22;
+
+    _classCallCheck(this, StrikeOutAnnotation);
+
+    _this22 = _super20.call(this, parameters);
+    _this22.data.annotationType = _util.AnnotationType.STRIKEOUT;
+    var quadPoints = getQuadPoints(parameters.dict, _this22.rectangle);
+
+    if (quadPoints) {
+      _this22.data.quadPoints = quadPoints;
+    }
+
+    return _this22;
+  }
+
+  return StrikeOutAnnotation;
+}(MarkupAnnotation);
+
+var StampAnnotation = /*#__PURE__*/function (_MarkupAnnotation13) {
+  _inherits(StampAnnotation, _MarkupAnnotation13);
+
+  var _super21 = _createSuper(StampAnnotation);
+
+  function StampAnnotation(parameters) {
+    var _this23;
+
+    _classCallCheck(this, StampAnnotation);
+
+    _this23 = _super21.call(this, parameters);
+    _this23.data.annotationType = _util.AnnotationType.STAMP;
+    return _this23;
+  }
+
+  return StampAnnotation;
+}(MarkupAnnotation);
+
+var FileAttachmentAnnotation = /*#__PURE__*/function (_MarkupAnnotation14) {
+  _inherits(FileAttachmentAnnotation, _MarkupAnnotation14);
+
+  var _super22 = _createSuper(FileAttachmentAnnotation);
+
+  function FileAttachmentAnnotation(parameters) {
+    var _this24;
+
+    _classCallCheck(this, FileAttachmentAnnotation);
+
+    _this24 = _super22.call(this, parameters);
+    var file = new _obj.FileSpec(parameters.dict.get("FS"), parameters.xref);
+    _this24.data.annotationType = _util.AnnotationType.FILEATTACHMENT;
+    _this24.data.file = file.serializable;
+    return _this24;
+  }
+
+  return FileAttachmentAnnotation;
+}(MarkupAnnotation);
+
+/***/ }),
+/* 223 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OperatorList = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+var QueueOptimizer = function QueueOptimizerClosure() {
+  function addState(parentState, pattern, checkFn, iterateFn, processFn) {
+    var state = parentState;
+
+    for (var i = 0, ii = pattern.length - 1; i < ii; i++) {
+      var item = pattern[i];
+      state = state[item] || (state[item] = []);
+    }
+
+    state[pattern[pattern.length - 1]] = {
+      checkFn: checkFn,
+      iterateFn: iterateFn,
+      processFn: processFn
+    };
+  }
+
+  function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray) {
+    var iFirstPIMXO = iFirstSave + 2;
+
+    for (var i = 0; i < count; i++) {
+      var arg = argsArray[iFirstPIMXO + 4 * i];
+      var imageMask = arg.length === 1 && arg[0];
+
+      if (imageMask && imageMask.width === 1 && imageMask.height === 1 && (!imageMask.data.length || imageMask.data.length === 1 && imageMask.data[0] === 0)) {
+        fnArray[iFirstPIMXO + 4 * i] = _util.OPS.paintSolidColorImageMask;
+        continue;
+      }
+
+      break;
+    }
+
+    return count - i;
+  }
+
+  var InitialState = [];
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintInlineImageXObject, _util.OPS.restore], null, function iterateInlineImageGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintInlineImageXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error("iterateInlineImageGroup - invalid pos: ".concat(pos));
+  }, function foundInlineImageGroup(context, i) {
+    var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10;
+    var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200;
+    var MAX_WIDTH = 1000;
+    var IMAGE_PADDING = 1;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIIXO = curr - 1;
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_INLINE_IMAGES_BLOCK);
+
+    if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var maxX = 0;
+    var map = [],
+        maxLineHeight = 0;
+    var currentX = IMAGE_PADDING,
+        currentY = IMAGE_PADDING;
+    var q;
+
+    for (q = 0; q < count; q++) {
+      var transform = argsArray[iFirstTransform + (q << 2)];
+      var img = argsArray[iFirstPIIXO + (q << 2)][0];
+
+      if (currentX + img.width > MAX_WIDTH) {
+        maxX = Math.max(maxX, currentX);
+        currentY += maxLineHeight + 2 * IMAGE_PADDING;
+        currentX = 0;
+        maxLineHeight = 0;
+      }
+
+      map.push({
+        transform: transform,
+        x: currentX,
+        y: currentY,
+        w: img.width,
+        h: img.height
+      });
+      currentX += img.width + 2 * IMAGE_PADDING;
+      maxLineHeight = Math.max(maxLineHeight, img.height);
+    }
+
+    var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING;
+    var imgHeight = currentY + maxLineHeight + IMAGE_PADDING;
+    var imgData = new Uint8ClampedArray(imgWidth * imgHeight * 4);
+    var imgRowSize = imgWidth << 2;
+
+    for (q = 0; q < count; q++) {
+      var data = argsArray[iFirstPIIXO + (q << 2)][0].data;
+      var rowSize = map[q].w << 2;
+      var dataOffset = 0;
+      var offset = map[q].x + map[q].y * imgWidth << 2;
+      imgData.set(data.subarray(0, rowSize), offset - imgRowSize);
+
+      for (var k = 0, kk = map[q].h; k < kk; k++) {
+        imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset);
+        dataOffset += rowSize;
+        offset += imgRowSize;
+      }
+
+      imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset);
+
+      while (offset >= 0) {
+        data[offset - 4] = data[offset];
+        data[offset - 3] = data[offset + 1];
+        data[offset - 2] = data[offset + 2];
+        data[offset - 1] = data[offset + 3];
+        data[offset + rowSize] = data[offset + rowSize - 4];
+        data[offset + rowSize + 1] = data[offset + rowSize - 3];
+        data[offset + rowSize + 2] = data[offset + rowSize - 2];
+        data[offset + rowSize + 3] = data[offset + rowSize - 1];
+        offset -= imgRowSize;
+      }
+    }
+
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintInlineImageXObjectGroup);
+    argsArray.splice(iFirstSave, count * 4, [{
+      width: imgWidth,
+      height: imgHeight,
+      kind: _util.ImageKind.RGBA_32BPP,
+      data: imgData
+    }, map]);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageMaskXObject, _util.OPS.restore], null, function iterateImageMaskGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintImageMaskXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error("iterateImageMaskGroup - invalid pos: ".concat(pos));
+  }, function foundImageMaskGroup(context, i) {
+    var MIN_IMAGES_IN_MASKS_BLOCK = 10;
+    var MAX_IMAGES_IN_MASKS_BLOCK = 100;
+    var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIMXO = curr - 1;
+    var count = Math.floor((i - iFirstSave) / 4);
+    count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray);
+
+    if (count < MIN_IMAGES_IN_MASKS_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var q;
+    var isSameImage = false;
+    var iTransform, transformArgs;
+    var firstPIMXOArg0 = argsArray[iFirstPIMXO][0];
+    var firstTransformArg0 = argsArray[iFirstTransform][0],
+        firstTransformArg1 = argsArray[iFirstTransform][1],
+        firstTransformArg2 = argsArray[iFirstTransform][2],
+        firstTransformArg3 = argsArray[iFirstTransform][3];
+
+    if (firstTransformArg1 === firstTransformArg2) {
+      isSameImage = true;
+      iTransform = iFirstTransform + 4;
+      var iPIMXO = iFirstPIMXO + 4;
+
+      for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) {
+        transformArgs = argsArray[iTransform];
+
+        if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || transformArgs[0] !== firstTransformArg0 || transformArgs[1] !== firstTransformArg1 || transformArgs[2] !== firstTransformArg2 || transformArgs[3] !== firstTransformArg3) {
+          if (q < MIN_IMAGES_IN_MASKS_BLOCK) {
+            isSameImage = false;
+          } else {
+            count = q;
+          }
+
+          break;
+        }
+      }
+    }
+
+    if (isSameImage) {
+      count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK);
+      var positions = new Float32Array(count * 2);
+      iTransform = iFirstTransform;
+
+      for (q = 0; q < count; q++, iTransform += 4) {
+        transformArgs = argsArray[iTransform];
+        positions[q << 1] = transformArgs[4];
+        positions[(q << 1) + 1] = transformArgs[5];
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectRepeat);
+      argsArray.splice(iFirstSave, count * 4, [firstPIMXOArg0, firstTransformArg0, firstTransformArg1, firstTransformArg2, firstTransformArg3, positions]);
+    } else {
+      count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK);
+      var images = [];
+
+      for (q = 0; q < count; q++) {
+        transformArgs = argsArray[iFirstTransform + (q << 2)];
+        var maskParams = argsArray[iFirstPIMXO + (q << 2)][0];
+        images.push({
+          data: maskParams.data,
+          width: maskParams.width,
+          height: maskParams.height,
+          transform: transformArgs
+        });
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectGroup);
+      argsArray.splice(iFirstSave, count * 4, [images]);
+    }
+
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageXObject, _util.OPS.restore], function (context) {
+    var argsArray = context.argsArray;
+    var iFirstTransform = context.iCurr - 2;
+    return argsArray[iFirstTransform][1] === 0 && argsArray[iFirstTransform][2] === 0;
+  }, function iterateImageGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        if (fnArray[i] !== _util.OPS.transform) {
+          return false;
+        }
+
+        var iFirstTransform = context.iCurr - 2;
+        var firstTransformArg0 = argsArray[iFirstTransform][0];
+        var firstTransformArg3 = argsArray[iFirstTransform][3];
+
+        if (argsArray[i][0] !== firstTransformArg0 || argsArray[i][1] !== 0 || argsArray[i][2] !== 0 || argsArray[i][3] !== firstTransformArg3) {
+          return false;
+        }
+
+        return true;
+
+      case 2:
+        if (fnArray[i] !== _util.OPS.paintImageXObject) {
+          return false;
+        }
+
+        var iFirstPIXO = context.iCurr - 1;
+        var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+
+        if (argsArray[i][0] !== firstPIXOArg0) {
+          return false;
+        }
+
+        return true;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error("iterateImageGroup - invalid pos: ".concat(pos));
+  }, function (context, i) {
+    var MIN_IMAGES_IN_BLOCK = 3;
+    var MAX_IMAGES_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIXO = curr - 1;
+    var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+    var firstTransformArg0 = argsArray[iFirstTransform][0];
+    var firstTransformArg3 = argsArray[iFirstTransform][3];
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_BLOCK);
+
+    if (count < MIN_IMAGES_IN_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var positions = new Float32Array(count * 2);
+    var iTransform = iFirstTransform;
+
+    for (var q = 0; q < count; q++, iTransform += 4) {
+      var transformArgs = argsArray[iTransform];
+      positions[q << 1] = transformArgs[4];
+      positions[(q << 1) + 1] = transformArgs[5];
+    }
+
+    var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, positions];
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageXObjectRepeat);
+    argsArray.splice(iFirstSave, count * 4, args);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.beginText, _util.OPS.setFont, _util.OPS.setTextMatrix, _util.OPS.showText, _util.OPS.endText], null, function iterateShowTextGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 4;
+    var pos = (i - iFirstSave) % 5;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.beginText;
+
+      case 1:
+        return fnArray[i] === _util.OPS.setFont;
+
+      case 2:
+        return fnArray[i] === _util.OPS.setTextMatrix;
+
+      case 3:
+        if (fnArray[i] !== _util.OPS.showText) {
+          return false;
+        }
+
+        var iFirstSetFont = context.iCurr - 3;
+        var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+        var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+
+        if (argsArray[i][0] !== firstSetFontArg0 || argsArray[i][1] !== firstSetFontArg1) {
+          return false;
+        }
+
+        return true;
+
+      case 4:
+        return fnArray[i] === _util.OPS.endText;
+    }
+
+    throw new Error("iterateShowTextGroup - invalid pos: ".concat(pos));
+  }, function (context, i) {
+    var MIN_CHARS_IN_BLOCK = 3;
+    var MAX_CHARS_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstBeginText = curr - 4;
+    var iFirstSetFont = curr - 3;
+    var iFirstSetTextMatrix = curr - 2;
+    var iFirstShowText = curr - 1;
+    var iFirstEndText = curr;
+    var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+    var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+    var count = Math.min(Math.floor((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK);
+
+    if (count < MIN_CHARS_IN_BLOCK) {
+      return i - (i - iFirstBeginText) % 5;
+    }
+
+    var iFirst = iFirstBeginText;
+
+    if (iFirstBeginText >= 4 && fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) {
+      count++;
+      iFirst -= 5;
+    }
+
+    var iEndText = iFirst + 4;
+
+    for (var q = 1; q < count; q++) {
+      fnArray.splice(iEndText, 3);
+      argsArray.splice(iEndText, 3);
+      iEndText += 2;
+    }
+
+    return iEndText + 1;
+  });
+
+  function QueueOptimizer(queue) {
+    this.queue = queue;
+    this.state = null;
+    this.context = {
+      iCurr: 0,
+      fnArray: queue.fnArray,
+      argsArray: queue.argsArray
+    };
+    this.match = null;
+    this.lastProcessed = 0;
+  }
+
+  QueueOptimizer.prototype = {
+    _optimize: function _optimize() {
+      var fnArray = this.queue.fnArray;
+      var i = this.lastProcessed,
+          ii = fnArray.length;
+      var state = this.state;
+      var match = this.match;
+
+      if (!state && !match && i + 1 === ii && !InitialState[fnArray[i]]) {
+        this.lastProcessed = ii;
+        return;
+      }
+
+      var context = this.context;
+
+      while (i < ii) {
+        if (match) {
+          var iterate = (0, match.iterateFn)(context, i);
+
+          if (iterate) {
+            i++;
+            continue;
+          }
+
+          i = (0, match.processFn)(context, i + 1);
+          ii = fnArray.length;
+          match = null;
+          state = null;
+
+          if (i >= ii) {
+            break;
+          }
+        }
+
+        state = (state || InitialState)[fnArray[i]];
+
+        if (!state || Array.isArray(state)) {
+          i++;
+          continue;
+        }
+
+        context.iCurr = i;
+        i++;
+
+        if (state.checkFn && !(0, state.checkFn)(context)) {
+          state = null;
+          continue;
+        }
+
+        match = state;
+        state = null;
+      }
+
+      this.state = state;
+      this.match = match;
+      this.lastProcessed = i;
+    },
+    push: function push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+
+      this._optimize();
+    },
+    flush: function flush() {
+      while (this.match) {
+        var length = this.queue.fnArray.length;
+        this.lastProcessed = (0, this.match.processFn)(this.context, length);
+        this.match = null;
+        this.state = null;
+
+        this._optimize();
+      }
+    },
+    reset: function reset() {
+      this.state = null;
+      this.match = null;
+      this.lastProcessed = 0;
+    }
+  };
+  return QueueOptimizer;
+}();
+
+var NullOptimizer = function NullOptimizerClosure() {
+  function NullOptimizer(queue) {
+    this.queue = queue;
+  }
+
+  NullOptimizer.prototype = {
+    push: function push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+    },
+    flush: function flush() {},
+    reset: function reset() {}
+  };
+  return NullOptimizer;
+}();
+
+var OperatorList = function OperatorListClosure() {
+  var CHUNK_SIZE = 1000;
+  var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5;
+
+  function OperatorList(intent, streamSink) {
+    this._streamSink = streamSink;
+    this.fnArray = [];
+    this.argsArray = [];
+
+    if (streamSink && intent !== "oplist") {
+      this.optimizer = new QueueOptimizer(this);
+    } else {
+      this.optimizer = new NullOptimizer(this);
+    }
+
+    this.dependencies = new Set();
+    this._totalLength = 0;
+    this.weight = 0;
+    this._resolved = streamSink ? null : Promise.resolve();
+  }
+
+  OperatorList.prototype = {
+    get length() {
+      return this.argsArray.length;
+    },
+
+    get ready() {
+      return this._resolved || this._streamSink.ready;
+    },
+
+    get totalLength() {
+      return this._totalLength + this.length;
+    },
+
+    addOp: function addOp(fn, args) {
+      this.optimizer.push(fn, args);
+      this.weight++;
+
+      if (this._streamSink) {
+        if (this.weight >= CHUNK_SIZE) {
+          this.flush();
+        } else if (this.weight >= CHUNK_SIZE_ABOUT && (fn === _util.OPS.restore || fn === _util.OPS.endText)) {
+          this.flush();
+        }
+      }
+    },
+    addDependency: function addDependency(dependency) {
+      if (this.dependencies.has(dependency)) {
+        return;
+      }
+
+      this.dependencies.add(dependency);
+      this.addOp(_util.OPS.dependency, [dependency]);
+    },
+    addDependencies: function addDependencies(dependencies) {
+      var _iterator = _createForOfIteratorHelper(dependencies),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var dependency = _step.value;
+          this.addDependency(dependency);
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+    },
+    addOpList: function addOpList(opList) {
+      if (!(opList instanceof OperatorList)) {
+        (0, _util.warn)('addOpList - ignoring invalid "opList" parameter.');
+        return;
+      }
+
+      var _iterator2 = _createForOfIteratorHelper(opList.dependencies),
+          _step2;
+
+      try {
+        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+          var dependency = _step2.value;
+          this.dependencies.add(dependency);
+        }
+      } catch (err) {
+        _iterator2.e(err);
+      } finally {
+        _iterator2.f();
+      }
+
+      for (var i = 0, ii = opList.length; i < ii; i++) {
+        this.addOp(opList.fnArray[i], opList.argsArray[i]);
+      }
+    },
+    getIR: function getIR() {
+      return {
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        length: this.length
+      };
+    },
+
+    get _transfers() {
+      var transfers = [];
+      var fnArray = this.fnArray,
+          argsArray = this.argsArray,
+          length = this.length;
+
+      for (var i = 0; i < length; i++) {
+        switch (fnArray[i]) {
+          case _util.OPS.paintInlineImageXObject:
+          case _util.OPS.paintInlineImageXObjectGroup:
+          case _util.OPS.paintImageMaskXObject:
+            var arg = argsArray[i][0];
+            ;
+
+            if (!arg.cached) {
+              transfers.push(arg.data.buffer);
+            }
+
+            break;
+        }
+      }
+
+      return transfers;
+    },
+
+    flush: function flush() {
+      var lastChunk = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      this.optimizer.flush();
+      var length = this.length;
+      this._totalLength += length;
+
+      this._streamSink.enqueue({
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        lastChunk: lastChunk,
+        length: length
+      }, 1, this._transfers);
+
+      this.dependencies.clear();
+      this.fnArray.length = 0;
+      this.argsArray.length = 0;
+      this.weight = 0;
+      this.optimizer.reset();
+    }
+  };
+  return OperatorList;
+}();
+
+exports.OperatorList = OperatorList;
+
+/***/ }),
+/* 224 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.writeDict = writeDict;
+exports.incrementalUpdate = incrementalUpdate;
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _crypto = __w_pdfjs_require__(219);
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function writeDict(dict, buffer, transform) {
+  buffer.push("<<");
+
+  var _iterator = _createForOfIteratorHelper(dict.getKeys()),
+      _step;
+
+  try {
+    for (_iterator.s(); !(_step = _iterator.n()).done;) {
+      var key = _step.value;
+      buffer.push(" /".concat(key, " "));
+      writeValue(dict.getRaw(key), buffer, transform);
+    }
+  } catch (err) {
+    _iterator.e(err);
+  } finally {
+    _iterator.f();
+  }
+
+  buffer.push(">>");
+}
+
+function writeStream(stream, buffer, transform) {
+  writeDict(stream.dict, buffer, transform);
+  buffer.push(" stream\n");
+  var string = (0, _util.bytesToString)(stream.getBytes());
+
+  if (transform !== null) {
+    string = transform.encryptString(string);
+  }
+
+  buffer.push(string);
+  buffer.push("\nendstream\n");
+}
+
+function writeArray(array, buffer, transform) {
+  buffer.push("[");
+  var first = true;
+
+  var _iterator2 = _createForOfIteratorHelper(array),
+      _step2;
+
+  try {
+    for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+      var val = _step2.value;
+
+      if (!first) {
+        buffer.push(" ");
+      } else {
+        first = false;
+      }
+
+      writeValue(val, buffer, transform);
+    }
+  } catch (err) {
+    _iterator2.e(err);
+  } finally {
+    _iterator2.f();
+  }
+
+  buffer.push("]");
+}
+
+function numberToString(value) {
+  if (Number.isInteger(value)) {
+    return value.toString();
+  }
+
+  var roundedValue = Math.round(value * 100);
+
+  if (roundedValue % 100 === 0) {
+    return (roundedValue / 100).toString();
+  }
+
+  if (roundedValue % 10 === 0) {
+    return value.toFixed(1);
+  }
+
+  return value.toFixed(2);
+}
+
+function writeValue(value, buffer, transform) {
+  if ((0, _primitives.isName)(value)) {
+    buffer.push("/".concat(value.name));
+  } else if ((0, _primitives.isRef)(value)) {
+    buffer.push("".concat(value.num, " ").concat(value.gen, " R"));
+  } else if (Array.isArray(value)) {
+    writeArray(value, buffer, transform);
+  } else if (typeof value === "string") {
+    if (transform !== null) {
+      value = transform.encryptString(value);
+    }
+
+    buffer.push("(".concat((0, _util.escapeString)(value), ")"));
+  } else if (typeof value === "number") {
+    buffer.push(numberToString(value));
+  } else if ((0, _primitives.isDict)(value)) {
+    writeDict(value, buffer, transform);
+  } else if ((0, _primitives.isStream)(value)) {
+    writeStream(value, buffer, transform);
+  }
+}
+
+function writeInt(number, size, offset, buffer) {
+  for (var i = size + offset - 1; i > offset - 1; i--) {
+    buffer[i] = number & 0xff;
+    number >>= 8;
+  }
+
+  return offset + size;
+}
+
+function writeString(string, offset, buffer) {
+  for (var i = 0, len = string.length; i < len; i++) {
+    buffer[offset + i] = string.charCodeAt(i) & 0xff;
+  }
+}
+
+function computeMD5(filesize, xrefInfo) {
+  var time = Math.floor(Date.now() / 1000);
+  var filename = xrefInfo.filename || "";
+  var md5Buffer = [time.toString(), filename, filesize.toString()];
+  var md5BufferLen = md5Buffer.reduce(function (a, str) {
+    return a + str.length;
+  }, 0);
+
+  for (var _i = 0, _Object$values = Object.values(xrefInfo.info); _i < _Object$values.length; _i++) {
+    var value = _Object$values[_i];
+    md5Buffer.push(value);
+    md5BufferLen += value.length;
+  }
+
+  var array = new Uint8Array(md5BufferLen);
+  var offset = 0;
+
+  for (var _i2 = 0, _md5Buffer = md5Buffer; _i2 < _md5Buffer.length; _i2++) {
+    var str = _md5Buffer[_i2];
+    writeString(str, offset, array);
+    offset += str.length;
+  }
+
+  return (0, _util.bytesToString)((0, _crypto.calculateMD5)(array));
+}
+
+function incrementalUpdate(originalData, xrefInfo, newRefs) {
+  var newXref = new _primitives.Dict(null);
+  var refForXrefTable = xrefInfo.newRef;
+  var buffer, baseOffset;
+  var lastByte = originalData[originalData.length - 1];
+
+  if (lastByte === 0x0a || lastByte === 0x0d) {
+    buffer = [];
+    baseOffset = originalData.length;
+  } else {
+    buffer = ["\n"];
+    baseOffset = originalData.length + 1;
+  }
+
+  newXref.set("Size", refForXrefTable.num + 1);
+  newXref.set("Prev", xrefInfo.startXRef);
+  newXref.set("Type", _primitives.Name.get("XRef"));
+
+  if (xrefInfo.rootRef !== null) {
+    newXref.set("Root", xrefInfo.rootRef);
+  }
+
+  if (xrefInfo.infoRef !== null) {
+    newXref.set("Info", xrefInfo.infoRef);
+  }
+
+  if (xrefInfo.encrypt !== null) {
+    newXref.set("Encrypt", xrefInfo.encrypt);
+  }
+
+  newRefs.push({
+    ref: refForXrefTable,
+    data: ""
+  });
+  newRefs = newRefs.sort(function (a, b) {
+    return a.ref.num - b.ref.num;
+  });
+  var xrefTableData = [[0, 1, 0xffff]];
+  var indexes = [0, 1];
+  var maxOffset = 0;
+
+  var _iterator3 = _createForOfIteratorHelper(newRefs),
+      _step3;
+
+  try {
+    for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+      var _step3$value = _step3.value,
+          ref = _step3$value.ref,
+          data = _step3$value.data;
+      maxOffset = Math.max(maxOffset, baseOffset);
+      xrefTableData.push([1, baseOffset, Math.min(ref.gen, 0xffff)]);
+      baseOffset += data.length;
+      indexes.push(ref.num);
+      indexes.push(1);
+      buffer.push(data);
+    }
+  } catch (err) {
+    _iterator3.e(err);
+  } finally {
+    _iterator3.f();
+  }
+
+  newXref.set("Index", indexes);
+
+  if (xrefInfo.fileIds.length !== 0) {
+    var md5 = computeMD5(baseOffset, xrefInfo);
+    newXref.set("ID", [xrefInfo.fileIds[0], md5]);
+  }
+
+  var offsetSize = Math.ceil(Math.log2(maxOffset) / 8);
+  var sizes = [1, offsetSize, 2];
+  var structSize = sizes[0] + sizes[1] + sizes[2];
+  var tableLength = structSize * xrefTableData.length;
+  newXref.set("W", sizes);
+  newXref.set("Length", tableLength);
+  buffer.push("".concat(refForXrefTable.num, " ").concat(refForXrefTable.gen, " obj\n"));
+  writeDict(newXref, buffer, null);
+  buffer.push(" stream\n");
+  var bufferLen = buffer.reduce(function (a, str) {
+    return a + str.length;
+  }, 0);
+  var footer = "\nendstream\nendobj\nstartxref\n".concat(baseOffset, "\n%%EOF\n");
+  var array = new Uint8Array(originalData.length + bufferLen + tableLength + footer.length);
+  array.set(originalData);
+  var offset = originalData.length;
+
+  var _iterator4 = _createForOfIteratorHelper(buffer),
+      _step4;
+
+  try {
+    for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+      var str = _step4.value;
+      writeString(str, offset, array);
+      offset += str.length;
+    }
+  } catch (err) {
+    _iterator4.e(err);
+  } finally {
+    _iterator4.f();
+  }
+
+  for (var _i3 = 0, _xrefTableData = xrefTableData; _i3 < _xrefTableData.length; _i3++) {
+    var _xrefTableData$_i = _slicedToArray(_xrefTableData[_i3], 3),
+        type = _xrefTableData$_i[0],
+        objOffset = _xrefTableData$_i[1],
+        gen = _xrefTableData$_i[2];
+
+    offset = writeInt(type, sizes[0], offset, array);
+    offset = writeInt(objOffset, sizes[1], offset, array);
+    offset = writeInt(gen, sizes[2], offset, array);
+  }
+
+  writeString(footer, offset, array);
+  return array;
+}
+
+/***/ }),
+/* 225 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PartialEvaluator = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _cmap = __w_pdfjs_require__(226);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _fonts = __w_pdfjs_require__(227);
+
+var _encodings = __w_pdfjs_require__(230);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _unicode = __w_pdfjs_require__(233);
+
+var _standard_fonts = __w_pdfjs_require__(232);
+
+var _pattern = __w_pdfjs_require__(236);
+
+var _function = __w_pdfjs_require__(237);
+
+var _parser = __w_pdfjs_require__(208);
+
+var _image_utils = __w_pdfjs_require__(221);
+
+var _bidi = __w_pdfjs_require__(239);
+
+var _colorspace = __w_pdfjs_require__(220);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _glyphlist = __w_pdfjs_require__(231);
+
+var _metrics = __w_pdfjs_require__(240);
+
+var _murmurhash = __w_pdfjs_require__(241);
+
+var _operator_list = __w_pdfjs_require__(223);
+
+var _image = __w_pdfjs_require__(242);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var DefaultPartialEvaluatorOptions = Object.freeze({
+  maxImageSize: -1,
+  disableFontFace: false,
+  ignoreErrors: false,
+  isEvalSupported: true,
+  fontExtraProperties: false
+});
+var PatternType = {
+  TILING: 1,
+  SHADING: 2
+};
+var deferred = Promise.resolve();
+
+function normalizeBlendMode(value) {
+  var parsingArray = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+  if (Array.isArray(value)) {
+    for (var i = 0, ii = value.length; i < ii; i++) {
+      var maybeBM = normalizeBlendMode(value[i], true);
+
+      if (maybeBM) {
+        return maybeBM;
+      }
+    }
+
+    (0, _util.warn)("Unsupported blend mode Array: ".concat(value));
+    return "source-over";
+  }
+
+  if (!(0, _primitives.isName)(value)) {
+    if (parsingArray) {
+      return null;
+    }
+
+    return "source-over";
+  }
+
+  switch (value.name) {
+    case "Normal":
+    case "Compatible":
+      return "source-over";
+
+    case "Multiply":
+      return "multiply";
+
+    case "Screen":
+      return "screen";
+
+    case "Overlay":
+      return "overlay";
+
+    case "Darken":
+      return "darken";
+
+    case "Lighten":
+      return "lighten";
+
+    case "ColorDodge":
+      return "color-dodge";
+
+    case "ColorBurn":
+      return "color-burn";
+
+    case "HardLight":
+      return "hard-light";
+
+    case "SoftLight":
+      return "soft-light";
+
+    case "Difference":
+      return "difference";
+
+    case "Exclusion":
+      return "exclusion";
+
+    case "Hue":
+      return "hue";
+
+    case "Saturation":
+      return "saturation";
+
+    case "Color":
+      return "color";
+
+    case "Luminosity":
+      return "luminosity";
+  }
+
+  if (parsingArray) {
+    return null;
+  }
+
+  (0, _util.warn)("Unsupported blend mode: ".concat(value.name));
+  return "source-over";
+}
+
+var TimeSlotManager = /*#__PURE__*/function () {
+  _createClass(TimeSlotManager, null, [{
+    key: "TIME_SLOT_DURATION_MS",
+    get: function get() {
+      return (0, _util.shadow)(this, "TIME_SLOT_DURATION_MS", 20);
+    }
+  }, {
+    key: "CHECK_TIME_EVERY",
+    get: function get() {
+      return (0, _util.shadow)(this, "CHECK_TIME_EVERY", 100);
+    }
+  }]);
+
+  function TimeSlotManager() {
+    _classCallCheck(this, TimeSlotManager);
+
+    this.reset();
+  }
+
+  _createClass(TimeSlotManager, [{
+    key: "check",
+    value: function check() {
+      if (++this.checked < TimeSlotManager.CHECK_TIME_EVERY) {
+        return false;
+      }
+
+      this.checked = 0;
+      return this.endTime <= Date.now();
+    }
+  }, {
+    key: "reset",
+    value: function reset() {
+      this.endTime = Date.now() + TimeSlotManager.TIME_SLOT_DURATION_MS;
+      this.checked = 0;
+    }
+  }]);
+
+  return TimeSlotManager;
+}();
+
+var PartialEvaluator = /*#__PURE__*/function () {
+  function PartialEvaluator(_ref) {
+    var xref = _ref.xref,
+        handler = _ref.handler,
+        pageIndex = _ref.pageIndex,
+        idFactory = _ref.idFactory,
+        fontCache = _ref.fontCache,
+        builtInCMapCache = _ref.builtInCMapCache,
+        globalImageCache = _ref.globalImageCache,
+        _ref$options = _ref.options,
+        options = _ref$options === void 0 ? null : _ref$options;
+
+    _classCallCheck(this, PartialEvaluator);
+
+    this.xref = xref;
+    this.handler = handler;
+    this.pageIndex = pageIndex;
+    this.idFactory = idFactory;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.options = options || DefaultPartialEvaluatorOptions;
+    this.parsingType3Font = false;
+    this._fetchBuiltInCMapBound = this.fetchBuiltInCMap.bind(this);
+  }
+
+  _createClass(PartialEvaluator, [{
+    key: "clone",
+    value: function clone() {
+      var newOptions = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : DefaultPartialEvaluatorOptions;
+      var newEvaluator = Object.create(this);
+      newEvaluator.options = newOptions;
+      return newEvaluator;
+    }
+  }, {
+    key: "hasBlendModes",
+    value: function hasBlendModes(resources) {
+      if (!(resources instanceof _primitives.Dict)) {
+        return false;
+      }
+
+      var processed = new _primitives.RefSet();
+
+      if (resources.objId) {
+        processed.put(resources.objId);
+      }
+
+      var nodes = [resources],
+          xref = this.xref;
+
+      while (nodes.length) {
+        var node = nodes.shift();
+        var graphicStates = node.get("ExtGState");
+
+        if (graphicStates instanceof _primitives.Dict) {
+          var _iterator = _createForOfIteratorHelper(graphicStates.getRawValues()),
+              _step;
+
+          try {
+            for (_iterator.s(); !(_step = _iterator.n()).done;) {
+              var graphicState = _step.value;
+
+              if (graphicState instanceof _primitives.Ref) {
+                if (processed.has(graphicState)) {
+                  continue;
+                }
+
+                try {
+                  graphicState = xref.fetch(graphicState);
+                } catch (ex) {
+                  if (ex instanceof _core_utils.MissingDataException) {
+                    throw ex;
+                  }
+
+                  processed.put(graphicState);
+                  (0, _util.info)("hasBlendModes - ignoring ExtGState: \"".concat(ex, "\"."));
+                  continue;
+                }
+              }
+
+              if (!(graphicState instanceof _primitives.Dict)) {
+                continue;
+              }
+
+              if (graphicState.objId) {
+                processed.put(graphicState.objId);
+              }
+
+              var bm = graphicState.get("BM");
+
+              if (bm instanceof _primitives.Name) {
+                if (bm.name !== "Normal") {
+                  return true;
+                }
+
+                continue;
+              }
+
+              if (bm !== undefined && Array.isArray(bm)) {
+                var _iterator2 = _createForOfIteratorHelper(bm),
+                    _step2;
+
+                try {
+                  for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+                    var element = _step2.value;
+
+                    if (element instanceof _primitives.Name && element.name !== "Normal") {
+                      return true;
+                    }
+                  }
+                } catch (err) {
+                  _iterator2.e(err);
+                } finally {
+                  _iterator2.f();
+                }
+              }
+            }
+          } catch (err) {
+            _iterator.e(err);
+          } finally {
+            _iterator.f();
+          }
+        }
+
+        var xObjects = node.get("XObject");
+
+        if (!(xObjects instanceof _primitives.Dict)) {
+          continue;
+        }
+
+        var _iterator3 = _createForOfIteratorHelper(xObjects.getRawValues()),
+            _step3;
+
+        try {
+          for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+            var xObject = _step3.value;
+
+            if (xObject instanceof _primitives.Ref) {
+              if (processed.has(xObject)) {
+                continue;
+              }
+
+              try {
+                xObject = xref.fetch(xObject);
+              } catch (ex) {
+                if (ex instanceof _core_utils.MissingDataException) {
+                  throw ex;
+                }
+
+                processed.put(xObject);
+                (0, _util.info)("hasBlendModes - ignoring XObject: \"".concat(ex, "\"."));
+                continue;
+              }
+            }
+
+            if (!(0, _primitives.isStream)(xObject)) {
+              continue;
+            }
+
+            if (xObject.dict.objId) {
+              processed.put(xObject.dict.objId);
+            }
+
+            var xResources = xObject.dict.get("Resources");
+
+            if (!(xResources instanceof _primitives.Dict)) {
+              continue;
+            }
+
+            if (xResources.objId && processed.has(xResources.objId)) {
+              continue;
+            }
+
+            nodes.push(xResources);
+
+            if (xResources.objId) {
+              processed.put(xResources.objId);
+            }
+          }
+        } catch (err) {
+          _iterator3.e(err);
+        } finally {
+          _iterator3.f();
+        }
+      }
+
+      return false;
+    }
+  }, {
+    key: "fetchBuiltInCMap",
+    value: function () {
+      var _fetchBuiltInCMap = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(name) {
+        var cachedData, readableStream, reader, data;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                cachedData = this.builtInCMapCache.get(name);
+
+                if (!cachedData) {
+                  _context.next = 3;
+                  break;
+                }
+
+                return _context.abrupt("return", cachedData);
+
+              case 3:
+                readableStream = this.handler.sendWithStream("FetchBuiltInCMap", {
+                  name: name
+                });
+                reader = readableStream.getReader();
+                _context.next = 7;
+                return new Promise(function (resolve, reject) {
+                  function pump() {
+                    reader.read().then(function (_ref2) {
+                      var value = _ref2.value,
+                          done = _ref2.done;
+
+                      if (done) {
+                        return;
+                      }
+
+                      resolve(value);
+                      pump();
+                    }, reject);
+                  }
+
+                  pump();
+                });
+
+              case 7:
+                data = _context.sent;
+
+                if (data.compressionType !== _util.CMapCompressionType.NONE) {
+                  this.builtInCMapCache.set(name, data);
+                }
+
+                return _context.abrupt("return", data);
+
+              case 10:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function fetchBuiltInCMap(_x) {
+        return _fetchBuiltInCMap.apply(this, arguments);
+      }
+
+      return fetchBuiltInCMap;
+    }()
+  }, {
+    key: "buildFormXObject",
+    value: function () {
+      var _buildFormXObject = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2(resources, xobj, smask, operatorList, task, initialState, localColorSpaceCache) {
+        var dict, matrix, bbox, optionalContent, group, groupOptions, groupSubtype, colorSpace, cs, cachedColorSpace;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                dict = xobj.dict;
+                matrix = dict.getArray("Matrix");
+                bbox = dict.getArray("BBox");
+
+                if (Array.isArray(bbox) && bbox.length === 4) {
+                  bbox = _util.Util.normalizeRect(bbox);
+                } else {
+                  bbox = null;
+                }
+
+                optionalContent = null;
+
+                if (!dict.has("OC")) {
+                  _context2.next = 10;
+                  break;
+                }
+
+                _context2.next = 8;
+                return this.parseMarkedContentProps(dict.get("OC"), resources);
+
+              case 8:
+                optionalContent = _context2.sent;
+                operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", optionalContent]);
+
+              case 10:
+                group = dict.get("Group");
+
+                if (!group) {
+                  _context2.next = 30;
+                  break;
+                }
+
+                groupOptions = {
+                  matrix: matrix,
+                  bbox: bbox,
+                  smask: smask,
+                  isolated: false,
+                  knockout: false
+                };
+                groupSubtype = group.get("S");
+                colorSpace = null;
+
+                if (!(0, _primitives.isName)(groupSubtype, "Transparency")) {
+                  _context2.next = 28;
+                  break;
+                }
+
+                groupOptions.isolated = group.get("I") || false;
+                groupOptions.knockout = group.get("K") || false;
+
+                if (!group.has("CS")) {
+                  _context2.next = 28;
+                  break;
+                }
+
+                cs = group.getRaw("CS");
+                cachedColorSpace = _colorspace.ColorSpace.getCached(cs, this.xref, localColorSpaceCache);
+
+                if (!cachedColorSpace) {
+                  _context2.next = 25;
+                  break;
+                }
+
+                colorSpace = cachedColorSpace;
+                _context2.next = 28;
+                break;
+
+              case 25:
+                _context2.next = 27;
+                return this.parseColorSpace({
+                  cs: cs,
+                  resources: resources,
+                  localColorSpaceCache: localColorSpaceCache
+                });
+
+              case 27:
+                colorSpace = _context2.sent;
+
+              case 28:
+                if (smask && smask.backdrop) {
+                  colorSpace = colorSpace || _colorspace.ColorSpace.singletons.rgb;
+                  smask.backdrop = colorSpace.getRgb(smask.backdrop, 0);
+                }
+
+                operatorList.addOp(_util.OPS.beginGroup, [groupOptions]);
+
+              case 30:
+                operatorList.addOp(_util.OPS.paintFormXObjectBegin, [matrix, bbox]);
+                return _context2.abrupt("return", this.getOperatorList({
+                  stream: xobj,
+                  task: task,
+                  resources: dict.get("Resources") || resources,
+                  operatorList: operatorList,
+                  initialState: initialState
+                }).then(function () {
+                  operatorList.addOp(_util.OPS.paintFormXObjectEnd, []);
+
+                  if (group) {
+                    operatorList.addOp(_util.OPS.endGroup, [groupOptions]);
+                  }
+
+                  if (optionalContent) {
+                    operatorList.addOp(_util.OPS.endMarkedContent, []);
+                  }
+                }));
+
+              case 32:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function buildFormXObject(_x2, _x3, _x4, _x5, _x6, _x7, _x8) {
+        return _buildFormXObject.apply(this, arguments);
+      }
+
+      return buildFormXObject;
+    }()
+  }, {
+    key: "_sendImgData",
+    value: function _sendImgData(objId, imgData) {
+      var cacheGlobally = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var transfers = imgData ? [imgData.data.buffer] : null;
+
+      if (this.parsingType3Font || cacheGlobally) {
+        return this.handler.send("commonobj", [objId, "Image", imgData], transfers);
+      }
+
+      return this.handler.send("obj", [objId, this.pageIndex, "Image", imgData], transfers);
+    }
+  }, {
+    key: "buildPaintImageXObject",
+    value: function () {
+      var _buildPaintImageXObject = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3(_ref3) {
+        var _this = this;
+
+        var resources, image, _ref3$isInline, isInline, operatorList, cacheKey, localImageCache, localColorSpaceCache, dict, imageRef, w, h, maxImageSize, imageMask, imgData, args, width, height, bitStrideLength, imgArray, decode, softMask, mask, SMALL_IMAGE_DIMENSIONS, imageObj, objId, cacheGlobally;
+
+        return _regenerator["default"].wrap(function _callee3$(_context3) {
+          while (1) {
+            switch (_context3.prev = _context3.next) {
+              case 0:
+                resources = _ref3.resources, image = _ref3.image, _ref3$isInline = _ref3.isInline, isInline = _ref3$isInline === void 0 ? false : _ref3$isInline, operatorList = _ref3.operatorList, cacheKey = _ref3.cacheKey, localImageCache = _ref3.localImageCache, localColorSpaceCache = _ref3.localColorSpaceCache;
+                dict = image.dict;
+                imageRef = dict.objId;
+                w = dict.get("Width", "W");
+                h = dict.get("Height", "H");
+
+                if (!(!(w && (0, _util.isNum)(w)) || !(h && (0, _util.isNum)(h)))) {
+                  _context3.next = 8;
+                  break;
+                }
+
+                (0, _util.warn)("Image dimensions are missing, or not numbers.");
+                return _context3.abrupt("return", undefined);
+
+              case 8:
+                maxImageSize = this.options.maxImageSize;
+
+                if (!(maxImageSize !== -1 && w * h > maxImageSize)) {
+                  _context3.next = 12;
+                  break;
+                }
+
+                (0, _util.warn)("Image exceeded maximum allowed size and was removed.");
+                return _context3.abrupt("return", undefined);
+
+              case 12:
+                imageMask = dict.get("ImageMask", "IM") || false;
+
+                if (!imageMask) {
+                  _context3.next = 25;
+                  break;
+                }
+
+                width = dict.get("Width", "W");
+                height = dict.get("Height", "H");
+                bitStrideLength = width + 7 >> 3;
+                imgArray = image.getBytes(bitStrideLength * height, true);
+                decode = dict.getArray("Decode", "D");
+                imgData = _image.PDFImage.createMask({
+                  imgArray: imgArray,
+                  width: width,
+                  height: height,
+                  imageIsFromDecodeStream: image instanceof _stream.DecodeStream,
+                  inverseDecode: !!decode && decode[0] > 0
+                });
+                imgData.cached = !!cacheKey;
+                args = [imgData];
+                operatorList.addOp(_util.OPS.paintImageMaskXObject, args);
+
+                if (cacheKey) {
+                  localImageCache.set(cacheKey, imageRef, {
+                    fn: _util.OPS.paintImageMaskXObject,
+                    args: args
+                  });
+                }
+
+                return _context3.abrupt("return", undefined);
+
+              case 25:
+                softMask = dict.get("SMask", "SM") || false;
+                mask = dict.get("Mask") || false;
+                SMALL_IMAGE_DIMENSIONS = 200;
+
+                if (!(isInline && !softMask && !mask && w + h < SMALL_IMAGE_DIMENSIONS)) {
+                  _context3.next = 33;
+                  break;
+                }
+
+                imageObj = new _image.PDFImage({
+                  xref: this.xref,
+                  res: resources,
+                  image: image,
+                  isInline: isInline,
+                  pdfFunctionFactory: this._pdfFunctionFactory,
+                  localColorSpaceCache: localColorSpaceCache
+                });
+                imgData = imageObj.createImageData(true);
+                operatorList.addOp(_util.OPS.paintInlineImageXObject, [imgData]);
+                return _context3.abrupt("return", undefined);
+
+              case 33:
+                objId = "img_".concat(this.idFactory.createObjId()), cacheGlobally = false;
+
+                if (this.parsingType3Font) {
+                  objId = "".concat(this.idFactory.getDocId(), "_type3_").concat(objId);
+                } else if (imageRef) {
+                  cacheGlobally = this.globalImageCache.shouldCache(imageRef, this.pageIndex);
+
+                  if (cacheGlobally) {
+                    objId = "".concat(this.idFactory.getDocId(), "_").concat(objId);
+                  }
+                }
+
+                operatorList.addDependency(objId);
+                args = [objId, w, h];
+
+                _image.PDFImage.buildImage({
+                  xref: this.xref,
+                  res: resources,
+                  image: image,
+                  isInline: isInline,
+                  pdfFunctionFactory: this._pdfFunctionFactory,
+                  localColorSpaceCache: localColorSpaceCache
+                }).then(function (imageObj) {
+                  imgData = imageObj.createImageData(false);
+                  return _this._sendImgData(objId, imgData, cacheGlobally);
+                })["catch"](function (reason) {
+                  (0, _util.warn)("Unable to decode image \"".concat(objId, "\": \"").concat(reason, "\"."));
+                  return _this._sendImgData(objId, null, cacheGlobally);
+                });
+
+                operatorList.addOp(_util.OPS.paintImageXObject, args);
+
+                if (cacheKey) {
+                  localImageCache.set(cacheKey, imageRef, {
+                    fn: _util.OPS.paintImageXObject,
+                    args: args
+                  });
+
+                  if (imageRef) {
+                    (0, _util.assert)(!isInline, "Cannot cache an inline image globally.");
+                    this.globalImageCache.addPageIndex(imageRef, this.pageIndex);
+
+                    if (cacheGlobally) {
+                      this.globalImageCache.setData(imageRef, {
+                        objId: objId,
+                        fn: _util.OPS.paintImageXObject,
+                        args: args
+                      });
+                    }
+                  }
+                }
+
+                return _context3.abrupt("return", undefined);
+
+              case 41:
+              case "end":
+                return _context3.stop();
+            }
+          }
+        }, _callee3, this);
+      }));
+
+      function buildPaintImageXObject(_x9) {
+        return _buildPaintImageXObject.apply(this, arguments);
+      }
+
+      return buildPaintImageXObject;
+    }()
+  }, {
+    key: "handleSMask",
+    value: function handleSMask(smask, resources, operatorList, task, stateManager, localColorSpaceCache) {
+      var smaskContent = smask.get("G");
+      var smaskOptions = {
+        subtype: smask.get("S").name,
+        backdrop: smask.get("BC")
+      };
+      var transferObj = smask.get("TR");
+
+      if ((0, _function.isPDFFunction)(transferObj)) {
+        var transferFn = this._pdfFunctionFactory.create(transferObj);
+
+        var transferMap = new Uint8Array(256);
+        var tmp = new Float32Array(1);
+
+        for (var i = 0; i < 256; i++) {
+          tmp[0] = i / 255;
+          transferFn(tmp, 0, tmp, 0);
+          transferMap[i] = tmp[0] * 255 | 0;
+        }
+
+        smaskOptions.transferMap = transferMap;
+      }
+
+      return this.buildFormXObject(resources, smaskContent, smaskOptions, operatorList, task, stateManager.state.clone(), localColorSpaceCache);
+    }
+  }, {
+    key: "handleTransferFunction",
+    value: function handleTransferFunction(tr) {
+      var transferArray;
+
+      if (Array.isArray(tr)) {
+        transferArray = tr;
+      } else if ((0, _function.isPDFFunction)(tr)) {
+        transferArray = [tr];
+      } else {
+        return null;
+      }
+
+      var transferMaps = [];
+      var numFns = 0,
+          numEffectfulFns = 0;
+
+      var _iterator4 = _createForOfIteratorHelper(transferArray),
+          _step4;
+
+      try {
+        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+          var entry = _step4.value;
+          var transferObj = this.xref.fetchIfRef(entry);
+          numFns++;
+
+          if ((0, _primitives.isName)(transferObj, "Identity")) {
+            transferMaps.push(null);
+            continue;
+          } else if (!(0, _function.isPDFFunction)(transferObj)) {
+            return null;
+          }
+
+          var transferFn = this._pdfFunctionFactory.create(transferObj);
+
+          var transferMap = new Uint8Array(256),
+              tmp = new Float32Array(1);
+
+          for (var j = 0; j < 256; j++) {
+            tmp[0] = j / 255;
+            transferFn(tmp, 0, tmp, 0);
+            transferMap[j] = tmp[0] * 255 | 0;
+          }
+
+          transferMaps.push(transferMap);
+          numEffectfulFns++;
+        }
+      } catch (err) {
+        _iterator4.e(err);
+      } finally {
+        _iterator4.f();
+      }
+
+      if (!(numFns === 1 || numFns === 4)) {
+        return null;
+      }
+
+      if (numEffectfulFns === 0) {
+        return null;
+      }
+
+      return transferMaps;
+    }
+  }, {
+    key: "handleTilingType",
+    value: function handleTilingType(fn, args, resources, pattern, patternDict, operatorList, task) {
+      var _this2 = this;
+
+      var tilingOpList = new _operator_list.OperatorList();
+
+      var patternResources = _primitives.Dict.merge({
+        xref: this.xref,
+        dictArray: [patternDict.get("Resources"), resources]
+      });
+
+      return this.getOperatorList({
+        stream: pattern,
+        task: task,
+        resources: patternResources,
+        operatorList: tilingOpList
+      }).then(function () {
+        return (0, _pattern.getTilingPatternIR)({
+          fnArray: tilingOpList.fnArray,
+          argsArray: tilingOpList.argsArray
+        }, patternDict, args);
+      }).then(function (tilingPatternIR) {
+        operatorList.addDependencies(tilingOpList.dependencies);
+        operatorList.addOp(fn, tilingPatternIR);
+      }, function (reason) {
+        if (reason instanceof _util.AbortException) {
+          return;
+        }
+
+        if (_this2.options.ignoreErrors) {
+          _this2.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorTilingPattern
+          });
+
+          (0, _util.warn)("handleTilingType - ignoring pattern: \"".concat(reason, "\"."));
+          return;
+        }
+
+        throw reason;
+      });
+    }
+  }, {
+    key: "handleSetFont",
+    value: function handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) {
+      var _this3 = this;
+
+      var fontName,
+          fontSize = 0;
+
+      if (fontArgs) {
+        fontArgs = fontArgs.slice();
+        fontName = fontArgs[0].name;
+        fontSize = fontArgs[1];
+      }
+
+      return this.loadFont(fontName, fontRef, resources).then(function (translated) {
+        if (!translated.font.isType3Font) {
+          return translated;
+        }
+
+        return translated.loadType3Data(_this3, resources, task).then(function () {
+          operatorList.addDependencies(translated.type3Dependencies);
+          return translated;
+        })["catch"](function (reason) {
+          _this3.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadType3
+          });
+
+          return new TranslatedFont({
+            loadedName: "g_font_error",
+            font: new _fonts.ErrorFont("Type3 font load error: ".concat(reason)),
+            dict: translated.font,
+            extraProperties: _this3.options.fontExtraProperties
+          });
+        });
+      }).then(function (translated) {
+        state.font = translated.font;
+        state.fontSize = fontSize;
+        state.fontName = fontName;
+        translated.send(_this3.handler);
+        return translated.loadedName;
+      });
+    }
+  }, {
+    key: "handleText",
+    value: function handleText(chars, state) {
+      var font = state.font;
+      var glyphs = font.charsToGlyphs(chars);
+
+      if (font.data) {
+        var isAddToPathSet = !!(state.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+
+        if (isAddToPathSet || state.fillColorSpace.name === "Pattern" || font.disableFontFace || this.options.disableFontFace) {
+          PartialEvaluator.buildFontPaths(font, glyphs, this.handler);
+        }
+      }
+
+      return glyphs;
+    }
+  }, {
+    key: "ensureStateFont",
+    value: function ensureStateFont(state) {
+      if (state.font) {
+        return;
+      }
+
+      var reason = new _util.FormatError("Missing setFont (Tf) operator before text rendering operator.");
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontState
+        });
+        (0, _util.warn)("ensureStateFont: \"".concat(reason, "\"."));
+        return;
+      }
+
+      throw reason;
+    }
+  }, {
+    key: "setGState",
+    value: function () {
+      var _setGState = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee4(_ref4) {
+        var _this4 = this;
+
+        var resources, gState, operatorList, cacheKey, task, stateManager, localGStateCache, localColorSpaceCache, gStateRef, isSimpleGState, gStateObj, gStateKeys, promise, _loop, i, ii;
+
+        return _regenerator["default"].wrap(function _callee4$(_context4) {
+          while (1) {
+            switch (_context4.prev = _context4.next) {
+              case 0:
+                resources = _ref4.resources, gState = _ref4.gState, operatorList = _ref4.operatorList, cacheKey = _ref4.cacheKey, task = _ref4.task, stateManager = _ref4.stateManager, localGStateCache = _ref4.localGStateCache, localColorSpaceCache = _ref4.localColorSpaceCache;
+                gStateRef = gState.objId;
+                isSimpleGState = true;
+                gStateObj = [];
+                gStateKeys = gState.getKeys();
+                promise = Promise.resolve();
+
+                _loop = function _loop() {
+                  var key = gStateKeys[i];
+                  var value = gState.get(key);
+
+                  switch (key) {
+                    case "Type":
+                      break;
+
+                    case "LW":
+                    case "LC":
+                    case "LJ":
+                    case "ML":
+                    case "D":
+                    case "RI":
+                    case "FL":
+                    case "CA":
+                    case "ca":
+                      gStateObj.push([key, value]);
+                      break;
+
+                    case "Font":
+                      isSimpleGState = false;
+                      promise = promise.then(function () {
+                        return _this4.handleSetFont(resources, null, value[0], operatorList, task, stateManager.state).then(function (loadedName) {
+                          operatorList.addDependency(loadedName);
+                          gStateObj.push([key, [loadedName, value[1]]]);
+                        });
+                      });
+                      break;
+
+                    case "BM":
+                      gStateObj.push([key, normalizeBlendMode(value)]);
+                      break;
+
+                    case "SMask":
+                      if ((0, _primitives.isName)(value, "None")) {
+                        gStateObj.push([key, false]);
+                        break;
+                      }
+
+                      if ((0, _primitives.isDict)(value)) {
+                        isSimpleGState = false;
+                        promise = promise.then(function () {
+                          return _this4.handleSMask(value, resources, operatorList, task, stateManager, localColorSpaceCache);
+                        });
+                        gStateObj.push([key, true]);
+                      } else {
+                        (0, _util.warn)("Unsupported SMask type");
+                      }
+
+                      break;
+
+                    case "TR":
+                      var transferMaps = _this4.handleTransferFunction(value);
+
+                      gStateObj.push([key, transferMaps]);
+                      break;
+
+                    case "OP":
+                    case "op":
+                    case "OPM":
+                    case "BG":
+                    case "BG2":
+                    case "UCR":
+                    case "UCR2":
+                    case "TR2":
+                    case "HT":
+                    case "SM":
+                    case "SA":
+                    case "AIS":
+                    case "TK":
+                      (0, _util.info)("graphic state operator " + key);
+                      break;
+
+                    default:
+                      (0, _util.info)("Unknown graphic state operator " + key);
+                      break;
+                  }
+                };
+
+                for (i = 0, ii = gStateKeys.length; i < ii; i++) {
+                  _loop();
+                }
+
+                return _context4.abrupt("return", promise.then(function () {
+                  if (gStateObj.length > 0) {
+                    operatorList.addOp(_util.OPS.setGState, [gStateObj]);
+                  }
+
+                  if (isSimpleGState) {
+                    localGStateCache.set(cacheKey, gStateRef, gStateObj);
+                  }
+                }));
+
+              case 9:
+              case "end":
+                return _context4.stop();
+            }
+          }
+        }, _callee4);
+      }));
+
+      function setGState(_x10) {
+        return _setGState.apply(this, arguments);
+      }
+
+      return setGState;
+    }()
+  }, {
+    key: "loadFont",
+    value: function loadFont(fontName, font, resources) {
+      var _this5 = this;
+
+      var errorFont = function errorFont() {
+        return Promise.resolve(new TranslatedFont({
+          loadedName: "g_font_error",
+          font: new _fonts.ErrorFont("Font \"".concat(fontName, "\" is not available.")),
+          dict: font,
+          extraProperties: _this5.options.fontExtraProperties
+        }));
+      };
+
+      var fontRef,
+          xref = this.xref;
+
+      if (font) {
+        if (!(0, _primitives.isRef)(font)) {
+          throw new _util.FormatError('The "font" object should be a reference.');
+        }
+
+        fontRef = font;
+      } else {
+        var fontRes = resources.get("Font");
+
+        if (fontRes) {
+          fontRef = fontRes.getRaw(fontName);
+        }
+      }
+
+      if (!fontRef) {
+        var partialMsg = "Font \"".concat(fontName || font && font.toString(), "\" is not available");
+
+        if (!this.options.ignoreErrors && !this.parsingType3Font) {
+          (0, _util.warn)("".concat(partialMsg, "."));
+          return errorFont();
+        }
+
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontMissing
+        });
+        (0, _util.warn)("".concat(partialMsg, " -- attempting to fallback to a default font."));
+        fontRef = PartialEvaluator.fallbackFontDict;
+      }
+
+      if (this.fontCache.has(fontRef)) {
+        return this.fontCache.get(fontRef);
+      }
+
+      font = xref.fetchIfRef(fontRef);
+
+      if (!(0, _primitives.isDict)(font)) {
+        return errorFont();
+      }
+
+      if (font.translated) {
+        return font.translated;
+      }
+
+      var fontCapability = (0, _util.createPromiseCapability)();
+      var preEvaluatedFont = this.preEvaluateFont(font);
+      var descriptor = preEvaluatedFont.descriptor,
+          hash = preEvaluatedFont.hash;
+      var fontRefIsRef = (0, _primitives.isRef)(fontRef),
+          fontID;
+
+      if (fontRefIsRef) {
+        fontID = "f".concat(fontRef.toString());
+      }
+
+      if (hash && (0, _primitives.isDict)(descriptor)) {
+        if (!descriptor.fontAliases) {
+          descriptor.fontAliases = Object.create(null);
+        }
+
+        var fontAliases = descriptor.fontAliases;
+
+        if (fontAliases[hash]) {
+          var aliasFontRef = fontAliases[hash].aliasRef;
+
+          if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) {
+            this.fontCache.putAlias(fontRef, aliasFontRef);
+            return this.fontCache.get(fontRef);
+          }
+        } else {
+          fontAliases[hash] = {
+            fontID: this.idFactory.createFontId()
+          };
+        }
+
+        if (fontRefIsRef) {
+          fontAliases[hash].aliasRef = fontRef;
+        }
+
+        fontID = fontAliases[hash].fontID;
+      }
+
+      if (fontRefIsRef) {
+        this.fontCache.put(fontRef, fontCapability.promise);
+      } else {
+        if (!fontID) {
+          fontID = this.idFactory.createFontId();
+        }
+
+        this.fontCache.put("id_".concat(fontID), fontCapability.promise);
+      }
+
+      (0, _util.assert)(fontID && fontID.startsWith("f"), 'The "fontID" must be (correctly) defined.');
+      font.loadedName = "".concat(this.idFactory.getDocId(), "_").concat(fontID);
+      font.translated = fontCapability.promise;
+      var translatedPromise;
+
+      try {
+        translatedPromise = this.translateFont(preEvaluatedFont);
+      } catch (e) {
+        translatedPromise = Promise.reject(e);
+      }
+
+      translatedPromise.then(function (translatedFont) {
+        if (translatedFont.fontType !== undefined) {
+          var xrefFontStats = xref.stats.fontTypes;
+          xrefFontStats[translatedFont.fontType] = true;
+        }
+
+        fontCapability.resolve(new TranslatedFont({
+          loadedName: font.loadedName,
+          font: translatedFont,
+          dict: font,
+          extraProperties: _this5.options.fontExtraProperties
+        }));
+      })["catch"](function (reason) {
+        _this5.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontTranslate
+        });
+
+        try {
+          var fontFile3 = descriptor && descriptor.get("FontFile3");
+          var subtype = fontFile3 && fontFile3.get("Subtype");
+          var fontType = (0, _fonts.getFontType)(preEvaluatedFont.type, subtype && subtype.name);
+          var xrefFontStats = xref.stats.fontTypes;
+          xrefFontStats[fontType] = true;
+        } catch (ex) {}
+
+        fontCapability.resolve(new TranslatedFont({
+          loadedName: font.loadedName,
+          font: new _fonts.ErrorFont(reason instanceof Error ? reason.message : reason),
+          dict: font,
+          extraProperties: _this5.options.fontExtraProperties
+        }));
+      });
+      return fontCapability.promise;
+    }
+  }, {
+    key: "buildPath",
+    value: function buildPath(operatorList, fn, args) {
+      var parsingText = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+      var lastIndex = operatorList.length - 1;
+
+      if (!args) {
+        args = [];
+      }
+
+      if (lastIndex < 0 || operatorList.fnArray[lastIndex] !== _util.OPS.constructPath) {
+        if (parsingText) {
+          (0, _util.warn)("Encountered path operator \"".concat(fn, "\" inside of a text object."));
+          operatorList.addOp(_util.OPS.save, null);
+        }
+
+        operatorList.addOp(_util.OPS.constructPath, [[fn], args]);
+
+        if (parsingText) {
+          operatorList.addOp(_util.OPS.restore, null);
+        }
+      } else {
+        var opArgs = operatorList.argsArray[lastIndex];
+        opArgs[0].push(fn);
+        Array.prototype.push.apply(opArgs[1], args);
+      }
+    }
+  }, {
+    key: "parseColorSpace",
+    value: function parseColorSpace(_ref5) {
+      var _this6 = this;
+
+      var cs = _ref5.cs,
+          resources = _ref5.resources,
+          localColorSpaceCache = _ref5.localColorSpaceCache;
+      return _colorspace.ColorSpace.parseAsync({
+        cs: cs,
+        xref: this.xref,
+        resources: resources,
+        pdfFunctionFactory: this._pdfFunctionFactory,
+        localColorSpaceCache: localColorSpaceCache
+      })["catch"](function (reason) {
+        if (reason instanceof _util.AbortException) {
+          return null;
+        }
+
+        if (_this6.options.ignoreErrors) {
+          _this6.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorColorSpace
+          });
+
+          (0, _util.warn)("parseColorSpace - ignoring ColorSpace: \"".concat(reason, "\"."));
+          return null;
+        }
+
+        throw reason;
+      });
+    }
+  }, {
+    key: "handleColorN",
+    value: function () {
+      var _handleColorN = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee5(operatorList, fn, args, cs, patterns, resources, task, localColorSpaceCache) {
+        var patternName, pattern, dict, typeNum, color, shading, matrix;
+        return _regenerator["default"].wrap(function _callee5$(_context5) {
+          while (1) {
+            switch (_context5.prev = _context5.next) {
+              case 0:
+                patternName = args[args.length - 1];
+
+                if (!((0, _primitives.isName)(patternName) && (pattern = patterns.get(patternName.name)))) {
+                  _context5.next = 16;
+                  break;
+                }
+
+                dict = (0, _primitives.isStream)(pattern) ? pattern.dict : pattern;
+                typeNum = dict.get("PatternType");
+
+                if (!(typeNum === PatternType.TILING)) {
+                  _context5.next = 9;
+                  break;
+                }
+
+                color = cs.base ? cs.base.getRgb(args, 0) : null;
+                return _context5.abrupt("return", this.handleTilingType(fn, color, resources, pattern, dict, operatorList, task));
+
+              case 9:
+                if (!(typeNum === PatternType.SHADING)) {
+                  _context5.next = 15;
+                  break;
+                }
+
+                shading = dict.get("Shading");
+                matrix = dict.getArray("Matrix");
+                pattern = _pattern.Pattern.parseShading(shading, matrix, this.xref, resources, this.handler, this._pdfFunctionFactory, localColorSpaceCache);
+                operatorList.addOp(fn, pattern.getIR());
+                return _context5.abrupt("return", undefined);
+
+              case 15:
+                throw new _util.FormatError("Unknown PatternType: ".concat(typeNum));
+
+              case 16:
+                throw new _util.FormatError("Unknown PatternName: ".concat(patternName));
+
+              case 17:
+              case "end":
+                return _context5.stop();
+            }
+          }
+        }, _callee5, this);
+      }));
+
+      function handleColorN(_x11, _x12, _x13, _x14, _x15, _x16, _x17, _x18) {
+        return _handleColorN.apply(this, arguments);
+      }
+
+      return handleColorN;
+    }()
+  }, {
+    key: "parseMarkedContentProps",
+    value: function () {
+      var _parseMarkedContentProps = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee6(contentProperties, resources) {
+        var optionalContent, properties, optionalContentType, optionalContentGroups, groupIds, expression;
+        return _regenerator["default"].wrap(function _callee6$(_context6) {
+          while (1) {
+            switch (_context6.prev = _context6.next) {
+              case 0:
+                if (!(0, _primitives.isName)(contentProperties)) {
+                  _context6.next = 5;
+                  break;
+                }
+
+                properties = resources.get("Properties");
+                optionalContent = properties.get(contentProperties.name);
+                _context6.next = 10;
+                break;
+
+              case 5:
+                if (!(0, _primitives.isDict)(contentProperties)) {
+                  _context6.next = 9;
+                  break;
+                }
+
+                optionalContent = contentProperties;
+                _context6.next = 10;
+                break;
+
+              case 9:
+                throw new _util.FormatError("Optional content properties malformed.");
+
+              case 10:
+                optionalContentType = optionalContent.get("Type").name;
+
+                if (!(optionalContentType === "OCG")) {
+                  _context6.next = 15;
+                  break;
+                }
+
+                return _context6.abrupt("return", {
+                  type: optionalContentType,
+                  id: optionalContent.objId
+                });
+
+              case 15:
+                if (!(optionalContentType === "OCMD")) {
+                  _context6.next = 27;
+                  break;
+                }
+
+                optionalContentGroups = optionalContent.get("OCGs");
+
+                if (!(Array.isArray(optionalContentGroups) || (0, _primitives.isDict)(optionalContentGroups))) {
+                  _context6.next = 25;
+                  break;
+                }
+
+                groupIds = [];
+
+                if (Array.isArray(optionalContentGroups)) {
+                  optionalContent.get("OCGs").forEach(function (ocg) {
+                    groupIds.push(ocg.toString());
+                  });
+                } else {
+                  groupIds.push(optionalContentGroups.objId);
+                }
+
+                expression = null;
+
+                if (optionalContent.get("VE")) {
+                  expression = true;
+                }
+
+                return _context6.abrupt("return", {
+                  type: optionalContentType,
+                  ids: groupIds,
+                  policy: (0, _primitives.isName)(optionalContent.get("P")) ? optionalContent.get("P").name : null,
+                  expression: expression
+                });
+
+              case 25:
+                if (!(0, _primitives.isRef)(optionalContentGroups)) {
+                  _context6.next = 27;
+                  break;
+                }
+
+                return _context6.abrupt("return", {
+                  type: optionalContentType,
+                  id: optionalContentGroups.toString()
+                });
+
+              case 27:
+                return _context6.abrupt("return", null);
+
+              case 28:
+              case "end":
+                return _context6.stop();
+            }
+          }
+        }, _callee6);
+      }));
+
+      function parseMarkedContentProps(_x19, _x20) {
+        return _parseMarkedContentProps.apply(this, arguments);
+      }
+
+      return parseMarkedContentProps;
+    }()
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList(_ref6) {
+      var _this7 = this;
+
+      var stream = _ref6.stream,
+          task = _ref6.task,
+          resources = _ref6.resources,
+          operatorList = _ref6.operatorList,
+          _ref6$initialState = _ref6.initialState,
+          initialState = _ref6$initialState === void 0 ? null : _ref6$initialState;
+      resources = resources || _primitives.Dict.empty;
+      initialState = initialState || new EvalState();
+
+      if (!operatorList) {
+        throw new Error('getOperatorList: missing "operatorList" parameter');
+      }
+
+      var self = this;
+      var xref = this.xref;
+      var parsingText = false;
+      var localImageCache = new _image_utils.LocalImageCache();
+      var localColorSpaceCache = new _image_utils.LocalColorSpaceCache();
+      var localGStateCache = new _image_utils.LocalGStateCache();
+
+      var xobjs = resources.get("XObject") || _primitives.Dict.empty;
+
+      var patterns = resources.get("Pattern") || _primitives.Dict.empty;
+
+      var stateManager = new StateManager(initialState);
+      var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+      var timeSlotManager = new TimeSlotManager();
+
+      function closePendingRestoreOPS(argument) {
+        for (var i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {
+          operatorList.addOp(_util.OPS.restore, []);
+        }
+      }
+
+      return new Promise(function promiseBody(resolve, reject) {
+        var next = function next(promise) {
+          Promise.all([promise, operatorList.ready]).then(function () {
+            try {
+              promiseBody(resolve, reject);
+            } catch (ex) {
+              reject(ex);
+            }
+          }, reject);
+        };
+
+        task.ensureNotTerminated();
+        timeSlotManager.reset();
+        var stop,
+            operation = {},
+            i,
+            ii,
+            cs,
+            name;
+
+        while (!(stop = timeSlotManager.check())) {
+          operation.args = null;
+
+          if (!preprocessor.read(operation)) {
+            break;
+          }
+
+          var args = operation.args;
+          var fn = operation.fn;
+
+          switch (fn | 0) {
+            case _util.OPS.paintXObject:
+              name = args[0].name;
+
+              if (name) {
+                var localImage = localImageCache.getByName(name);
+
+                if (localImage) {
+                  operatorList.addOp(localImage.fn, localImage.args);
+                  args = null;
+                  continue;
+                }
+              }
+
+              next(new Promise(function (resolveXObject, rejectXObject) {
+                if (!name) {
+                  throw new _util.FormatError("XObject must be referred to by name.");
+                }
+
+                var xobj = xobjs.getRaw(name);
+
+                if (xobj instanceof _primitives.Ref) {
+                  var _localImage = localImageCache.getByRef(xobj);
+
+                  if (_localImage) {
+                    operatorList.addOp(_localImage.fn, _localImage.args);
+                    resolveXObject();
+                    return;
+                  }
+
+                  var globalImage = self.globalImageCache.getData(xobj, self.pageIndex);
+
+                  if (globalImage) {
+                    operatorList.addDependency(globalImage.objId);
+                    operatorList.addOp(globalImage.fn, globalImage.args);
+                    resolveXObject();
+                    return;
+                  }
+
+                  xobj = xref.fetch(xobj);
+                }
+
+                if (!(0, _primitives.isStream)(xobj)) {
+                  throw new _util.FormatError("XObject should be a stream");
+                }
+
+                var type = xobj.dict.get("Subtype");
+
+                if (!(0, _primitives.isName)(type)) {
+                  throw new _util.FormatError("XObject should have a Name subtype");
+                }
+
+                if (type.name === "Form") {
+                  stateManager.save();
+                  self.buildFormXObject(resources, xobj, null, operatorList, task, stateManager.state.clone(), localColorSpaceCache).then(function () {
+                    stateManager.restore();
+                    resolveXObject();
+                  }, rejectXObject);
+                  return;
+                } else if (type.name === "Image") {
+                  self.buildPaintImageXObject({
+                    resources: resources,
+                    image: xobj,
+                    operatorList: operatorList,
+                    cacheKey: name,
+                    localImageCache: localImageCache,
+                    localColorSpaceCache: localColorSpaceCache
+                  }).then(resolveXObject, rejectXObject);
+                  return;
+                } else if (type.name === "PS") {
+                  (0, _util.info)("Ignored XObject subtype PS");
+                } else {
+                  throw new _util.FormatError("Unhandled XObject subtype ".concat(type.name));
+                }
+
+                resolveXObject();
+              })["catch"](function (reason) {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  self.handler.send("UnsupportedFeature", {
+                    featureId: _util.UNSUPPORTED_FEATURES.errorXObject
+                  });
+                  (0, _util.warn)("getOperatorList - ignoring XObject: \"".concat(reason, "\"."));
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+
+            case _util.OPS.setFont:
+              var fontSize = args[1];
+              next(self.handleSetFont(resources, args, null, operatorList, task, stateManager.state).then(function (loadedName) {
+                operatorList.addDependency(loadedName);
+                operatorList.addOp(_util.OPS.setFont, [loadedName, fontSize]);
+              }));
+              return;
+
+            case _util.OPS.beginText:
+              parsingText = true;
+              break;
+
+            case _util.OPS.endText:
+              parsingText = false;
+              break;
+
+            case _util.OPS.endInlineImage:
+              var cacheKey = args[0].cacheKey;
+
+              if (cacheKey) {
+                var _localImage2 = localImageCache.getByName(cacheKey);
+
+                if (_localImage2) {
+                  operatorList.addOp(_localImage2.fn, _localImage2.args);
+                  args = null;
+                  continue;
+                }
+              }
+
+              next(self.buildPaintImageXObject({
+                resources: resources,
+                image: args[0],
+                isInline: true,
+                operatorList: operatorList,
+                cacheKey: cacheKey,
+                localImageCache: localImageCache,
+                localColorSpaceCache: localColorSpaceCache
+              }));
+              return;
+
+            case _util.OPS.showText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              args[0] = self.handleText(args[0], stateManager.state);
+              break;
+
+            case _util.OPS.showSpacedText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              var arr = args[0];
+              var combinedGlyphs = [];
+              var arrLength = arr.length;
+              var state = stateManager.state;
+
+              for (i = 0; i < arrLength; ++i) {
+                var arrItem = arr[i];
+
+                if ((0, _util.isString)(arrItem)) {
+                  Array.prototype.push.apply(combinedGlyphs, self.handleText(arrItem, state));
+                } else if ((0, _util.isNum)(arrItem)) {
+                  combinedGlyphs.push(arrItem);
+                }
+              }
+
+              args[0] = combinedGlyphs;
+              fn = _util.OPS.showText;
+              break;
+
+            case _util.OPS.nextLineShowText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              operatorList.addOp(_util.OPS.nextLine);
+              args[0] = self.handleText(args[0], stateManager.state);
+              fn = _util.OPS.showText;
+              break;
+
+            case _util.OPS.nextLineSetSpacingShowText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              operatorList.addOp(_util.OPS.nextLine);
+              operatorList.addOp(_util.OPS.setWordSpacing, [args.shift()]);
+              operatorList.addOp(_util.OPS.setCharSpacing, [args.shift()]);
+              args[0] = self.handleText(args[0], stateManager.state);
+              fn = _util.OPS.showText;
+              break;
+
+            case _util.OPS.setTextRenderingMode:
+              stateManager.state.textRenderingMode = args[0];
+              break;
+
+            case _util.OPS.setFillColorSpace:
+              {
+                var cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+                if (cachedColorSpace) {
+                  stateManager.state.fillColorSpace = cachedColorSpace;
+                  continue;
+                }
+
+                next(self.parseColorSpace({
+                  cs: args[0],
+                  resources: resources,
+                  localColorSpaceCache: localColorSpaceCache
+                }).then(function (colorSpace) {
+                  if (colorSpace) {
+                    stateManager.state.fillColorSpace = colorSpace;
+                  }
+                }));
+                return;
+              }
+
+            case _util.OPS.setStrokeColorSpace:
+              {
+                var _cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+                if (_cachedColorSpace) {
+                  stateManager.state.strokeColorSpace = _cachedColorSpace;
+                  continue;
+                }
+
+                next(self.parseColorSpace({
+                  cs: args[0],
+                  resources: resources,
+                  localColorSpaceCache: localColorSpaceCache
+                }).then(function (colorSpace) {
+                  if (colorSpace) {
+                    stateManager.state.strokeColorSpace = colorSpace;
+                  }
+                }));
+                return;
+              }
+
+            case _util.OPS.setFillColor:
+              cs = stateManager.state.fillColorSpace;
+              args = cs.getRgb(args, 0);
+              fn = _util.OPS.setFillRGBColor;
+              break;
+
+            case _util.OPS.setStrokeColor:
+              cs = stateManager.state.strokeColorSpace;
+              args = cs.getRgb(args, 0);
+              fn = _util.OPS.setStrokeRGBColor;
+              break;
+
+            case _util.OPS.setFillGray:
+              stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+              args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+              fn = _util.OPS.setFillRGBColor;
+              break;
+
+            case _util.OPS.setStrokeGray:
+              stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+              args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+              fn = _util.OPS.setStrokeRGBColor;
+              break;
+
+            case _util.OPS.setFillCMYKColor:
+              stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+              args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+              fn = _util.OPS.setFillRGBColor;
+              break;
+
+            case _util.OPS.setStrokeCMYKColor:
+              stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+              args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+              fn = _util.OPS.setStrokeRGBColor;
+              break;
+
+            case _util.OPS.setFillRGBColor:
+              stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.rgb;
+              args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+              break;
+
+            case _util.OPS.setStrokeRGBColor:
+              stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.rgb;
+              args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+              break;
+
+            case _util.OPS.setFillColorN:
+              cs = stateManager.state.fillColorSpace;
+
+              if (cs.name === "Pattern") {
+                next(self.handleColorN(operatorList, _util.OPS.setFillColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+                return;
+              }
+
+              args = cs.getRgb(args, 0);
+              fn = _util.OPS.setFillRGBColor;
+              break;
+
+            case _util.OPS.setStrokeColorN:
+              cs = stateManager.state.strokeColorSpace;
+
+              if (cs.name === "Pattern") {
+                next(self.handleColorN(operatorList, _util.OPS.setStrokeColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+                return;
+              }
+
+              args = cs.getRgb(args, 0);
+              fn = _util.OPS.setStrokeRGBColor;
+              break;
+
+            case _util.OPS.shadingFill:
+              var shadingRes = resources.get("Shading");
+
+              if (!shadingRes) {
+                throw new _util.FormatError("No shading resource found");
+              }
+
+              var shading = shadingRes.get(args[0].name);
+
+              if (!shading) {
+                throw new _util.FormatError("No shading object found");
+              }
+
+              var shadingFill = _pattern.Pattern.parseShading(shading, null, xref, resources, self.handler, self._pdfFunctionFactory, localColorSpaceCache);
+
+              var patternIR = shadingFill.getIR();
+              args = [patternIR];
+              fn = _util.OPS.shadingFill;
+              break;
+
+            case _util.OPS.setGState:
+              name = args[0].name;
+
+              if (name) {
+                var localGStateObj = localGStateCache.getByName(name);
+
+                if (localGStateObj) {
+                  if (localGStateObj.length > 0) {
+                    operatorList.addOp(_util.OPS.setGState, [localGStateObj]);
+                  }
+
+                  args = null;
+                  continue;
+                }
+              }
+
+              next(new Promise(function (resolveGState, rejectGState) {
+                if (!name) {
+                  throw new _util.FormatError("GState must be referred to by name.");
+                }
+
+                var extGState = resources.get("ExtGState");
+
+                if (!(extGState instanceof _primitives.Dict)) {
+                  throw new _util.FormatError("ExtGState should be a dictionary.");
+                }
+
+                var gState = extGState.get(name);
+
+                if (!(gState instanceof _primitives.Dict)) {
+                  throw new _util.FormatError("GState should be a dictionary.");
+                }
+
+                self.setGState({
+                  resources: resources,
+                  gState: gState,
+                  operatorList: operatorList,
+                  cacheKey: name,
+                  task: task,
+                  stateManager: stateManager,
+                  localGStateCache: localGStateCache,
+                  localColorSpaceCache: localColorSpaceCache
+                }).then(resolveGState, rejectGState);
+              })["catch"](function (reason) {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  self.handler.send("UnsupportedFeature", {
+                    featureId: _util.UNSUPPORTED_FEATURES.errorExtGState
+                  });
+                  (0, _util.warn)("getOperatorList - ignoring ExtGState: \"".concat(reason, "\"."));
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+
+            case _util.OPS.moveTo:
+            case _util.OPS.lineTo:
+            case _util.OPS.curveTo:
+            case _util.OPS.curveTo2:
+            case _util.OPS.curveTo3:
+            case _util.OPS.closePath:
+            case _util.OPS.rectangle:
+              self.buildPath(operatorList, fn, args, parsingText);
+              continue;
+
+            case _util.OPS.markPoint:
+            case _util.OPS.markPointProps:
+            case _util.OPS.beginCompat:
+            case _util.OPS.endCompat:
+              continue;
+
+            case _util.OPS.beginMarkedContentProps:
+              if (!(0, _primitives.isName)(args[0])) {
+                (0, _util.warn)("Expected name for beginMarkedContentProps arg0=".concat(args[0]));
+                continue;
+              }
+
+              if (args[0].name === "OC") {
+                next(self.parseMarkedContentProps(args[1], resources).then(function (data) {
+                  operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", data]);
+                })["catch"](function (reason) {
+                  if (reason instanceof _util.AbortException) {
+                    return;
+                  }
+
+                  if (self.options.ignoreErrors) {
+                    self.handler.send("UnsupportedFeature", {
+                      featureId: _util.UNSUPPORTED_FEATURES.errorMarkedContent
+                    });
+                    (0, _util.warn)("getOperatorList - ignoring beginMarkedContentProps: \"".concat(reason, "\"."));
+                    return;
+                  }
+
+                  throw reason;
+                }));
+                return;
+              }
+
+              args = [args[0].name];
+              break;
+
+            case _util.OPS.beginMarkedContent:
+            case _util.OPS.endMarkedContent:
+            default:
+              if (args !== null) {
+                for (i = 0, ii = args.length; i < ii; i++) {
+                  if (args[i] instanceof _primitives.Dict) {
+                    break;
+                  }
+                }
+
+                if (i < ii) {
+                  (0, _util.warn)("getOperatorList - ignoring operator: " + fn);
+                  continue;
+                }
+              }
+
+          }
+
+          operatorList.addOp(fn, args);
+        }
+
+        if (stop) {
+          next(deferred);
+          return;
+        }
+
+        closePendingRestoreOPS();
+        resolve();
+      })["catch"](function (reason) {
+        if (reason instanceof _util.AbortException) {
+          return;
+        }
+
+        if (_this7.options.ignoreErrors) {
+          _this7.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+          });
+
+          (0, _util.warn)("getOperatorList - ignoring errors during \"".concat(task.name, "\" ") + "task: \"".concat(reason, "\"."));
+          closePendingRestoreOPS();
+          return;
+        }
+
+        throw reason;
+      });
+    }
+  }, {
+    key: "getTextContent",
+    value: function getTextContent(_ref7) {
+      var _this8 = this;
+
+      var stream = _ref7.stream,
+          task = _ref7.task,
+          resources = _ref7.resources,
+          _ref7$stateManager = _ref7.stateManager,
+          stateManager = _ref7$stateManager === void 0 ? null : _ref7$stateManager,
+          _ref7$normalizeWhites = _ref7.normalizeWhitespace,
+          normalizeWhitespace = _ref7$normalizeWhites === void 0 ? false : _ref7$normalizeWhites,
+          _ref7$combineTextItem = _ref7.combineTextItems,
+          combineTextItems = _ref7$combineTextItem === void 0 ? false : _ref7$combineTextItem,
+          sink = _ref7.sink,
+          _ref7$seenStyles = _ref7.seenStyles,
+          seenStyles = _ref7$seenStyles === void 0 ? Object.create(null) : _ref7$seenStyles;
+      resources = resources || _primitives.Dict.empty;
+      stateManager = stateManager || new StateManager(new TextState());
+      var WhitespaceRegexp = /\s/g;
+      var textContent = {
+        items: [],
+        styles: Object.create(null)
+      };
+      var textContentItem = {
+        initialized: false,
+        str: [],
+        width: 0,
+        height: 0,
+        vertical: false,
+        lastAdvanceWidth: 0,
+        lastAdvanceHeight: 0,
+        textAdvanceScale: 0,
+        spaceWidth: 0,
+        fakeSpaceMin: Infinity,
+        fakeMultiSpaceMin: Infinity,
+        fakeMultiSpaceMax: -0,
+        textRunBreakAllowed: false,
+        transform: null,
+        fontName: null
+      };
+      var SPACE_FACTOR = 0.3;
+      var MULTI_SPACE_FACTOR = 1.5;
+      var MULTI_SPACE_FACTOR_MAX = 4;
+      var self = this;
+      var xref = this.xref;
+      var xobjs = null;
+      var emptyXObjectCache = new _image_utils.LocalImageCache();
+      var emptyGStateCache = new _image_utils.LocalGStateCache();
+      var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+      var textState;
+
+      function ensureTextContentItem() {
+        if (textContentItem.initialized) {
+          return textContentItem;
+        }
+
+        var font = textState.font;
+
+        if (!(font.loadedName in seenStyles)) {
+          seenStyles[font.loadedName] = true;
+          textContent.styles[font.loadedName] = {
+            fontFamily: font.fallbackName,
+            ascent: font.ascent,
+            descent: font.descent,
+            vertical: font.vertical
+          };
+        }
+
+        textContentItem.fontName = font.loadedName;
+        var tsm = [textState.fontSize * textState.textHScale, 0, 0, textState.fontSize, 0, textState.textRise];
+
+        if (font.isType3Font && textState.fontSize <= 1 && !(0, _util.isArrayEqual)(textState.fontMatrix, _util.FONT_IDENTITY_MATRIX)) {
+          var glyphHeight = font.bbox[3] - font.bbox[1];
+
+          if (glyphHeight > 0) {
+            tsm[3] *= glyphHeight * textState.fontMatrix[3];
+          }
+        }
+
+        var trm = _util.Util.transform(textState.ctm, _util.Util.transform(textState.textMatrix, tsm));
+
+        textContentItem.transform = trm;
+
+        if (!font.vertical) {
+          textContentItem.width = 0;
+          textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);
+          textContentItem.vertical = false;
+        } else {
+          textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);
+          textContentItem.height = 0;
+          textContentItem.vertical = true;
+        }
+
+        var a = textState.textLineMatrix[0];
+        var b = textState.textLineMatrix[1];
+        var scaleLineX = Math.sqrt(a * a + b * b);
+        a = textState.ctm[0];
+        b = textState.ctm[1];
+        var scaleCtmX = Math.sqrt(a * a + b * b);
+        textContentItem.textAdvanceScale = scaleCtmX * scaleLineX;
+        textContentItem.lastAdvanceWidth = 0;
+        textContentItem.lastAdvanceHeight = 0;
+        var spaceWidth = font.spaceWidth / 1000 * textState.fontSize;
+
+        if (spaceWidth) {
+          textContentItem.spaceWidth = spaceWidth;
+          textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR;
+          textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR;
+          textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX;
+          textContentItem.textRunBreakAllowed = !font.isMonospace;
+        } else {
+          textContentItem.spaceWidth = 0;
+          textContentItem.fakeSpaceMin = Infinity;
+          textContentItem.fakeMultiSpaceMin = Infinity;
+          textContentItem.fakeMultiSpaceMax = 0;
+          textContentItem.textRunBreakAllowed = false;
+        }
+
+        textContentItem.initialized = true;
+        return textContentItem;
+      }
+
+      function replaceWhitespace(str) {
+        var i = 0,
+            ii = str.length,
+            code;
+
+        while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7f) {
+          i++;
+        }
+
+        return i < ii ? str.replace(WhitespaceRegexp, " ") : str;
+      }
+
+      function runBidiTransform(textChunk) {
+        var str = textChunk.str.join("");
+        var bidiResult = (0, _bidi.bidi)(str, -1, textChunk.vertical);
+        return {
+          str: normalizeWhitespace ? replaceWhitespace(bidiResult.str) : bidiResult.str,
+          dir: bidiResult.dir,
+          width: textChunk.width,
+          height: textChunk.height,
+          transform: textChunk.transform,
+          fontName: textChunk.fontName
+        };
+      }
+
+      function handleSetFont(fontName, fontRef) {
+        return self.loadFont(fontName, fontRef, resources).then(function (translated) {
+          textState.font = translated.font;
+          textState.fontMatrix = translated.font.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+        });
+      }
+
+      function buildTextContentItem(chars) {
+        var font = textState.font;
+        var textChunk = ensureTextContentItem();
+        var width = 0;
+        var height = 0;
+        var glyphs = font.charsToGlyphs(chars);
+
+        for (var i = 0; i < glyphs.length; i++) {
+          var glyph = glyphs[i];
+          var glyphWidth = null;
+
+          if (font.vertical && glyph.vmetric) {
+            glyphWidth = glyph.vmetric[0];
+          } else {
+            glyphWidth = glyph.width;
+          }
+
+          var glyphUnicode = glyph.unicode;
+          var NormalizedUnicodes = (0, _unicode.getNormalizedUnicodes)();
+
+          if (NormalizedUnicodes[glyphUnicode] !== undefined) {
+            glyphUnicode = NormalizedUnicodes[glyphUnicode];
+          }
+
+          glyphUnicode = (0, _unicode.reverseIfRtl)(glyphUnicode);
+          var charSpacing = textState.charSpacing;
+
+          if (glyph.isSpace) {
+            var wordSpacing = textState.wordSpacing;
+            charSpacing += wordSpacing;
+
+            if (wordSpacing > 0) {
+              addFakeSpaces(wordSpacing, textChunk.str);
+            }
+          }
+
+          var tx = 0;
+          var ty = 0;
+
+          if (!font.vertical) {
+            var w0 = glyphWidth * textState.fontMatrix[0];
+            tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale;
+            width += tx;
+          } else {
+            var w1 = glyphWidth * textState.fontMatrix[0];
+            ty = w1 * textState.fontSize + charSpacing;
+            height += ty;
+          }
+
+          textState.translateTextMatrix(tx, ty);
+          textChunk.str.push(glyphUnicode);
+        }
+
+        if (!font.vertical) {
+          textChunk.lastAdvanceWidth = width;
+          textChunk.width += width;
+        } else {
+          textChunk.lastAdvanceHeight = height;
+          textChunk.height += Math.abs(height);
+        }
+
+        return textChunk;
+      }
+
+      function addFakeSpaces(width, strBuf) {
+        if (width < textContentItem.fakeSpaceMin) {
+          return;
+        }
+
+        if (width < textContentItem.fakeMultiSpaceMin) {
+          strBuf.push(" ");
+          return;
+        }
+
+        var fakeSpaces = Math.round(width / textContentItem.spaceWidth);
+
+        while (fakeSpaces-- > 0) {
+          strBuf.push(" ");
+        }
+      }
+
+      function flushTextContentItem() {
+        if (!textContentItem.initialized) {
+          return;
+        }
+
+        if (!textContentItem.vertical) {
+          textContentItem.width *= textContentItem.textAdvanceScale;
+        } else {
+          textContentItem.height *= textContentItem.textAdvanceScale;
+        }
+
+        textContent.items.push(runBidiTransform(textContentItem));
+        textContentItem.initialized = false;
+        textContentItem.str.length = 0;
+      }
+
+      function enqueueChunk() {
+        var length = textContent.items.length;
+
+        if (length > 0) {
+          sink.enqueue(textContent, length);
+          textContent.items = [];
+          textContent.styles = Object.create(null);
+        }
+      }
+
+      var timeSlotManager = new TimeSlotManager();
+      return new Promise(function promiseBody(resolve, reject) {
+        var next = function next(promise) {
+          enqueueChunk();
+          Promise.all([promise, sink.ready]).then(function () {
+            try {
+              promiseBody(resolve, reject);
+            } catch (ex) {
+              reject(ex);
+            }
+          }, reject);
+        };
+
+        task.ensureNotTerminated();
+        timeSlotManager.reset();
+        var stop,
+            operation = {},
+            args = [];
+
+        while (!(stop = timeSlotManager.check())) {
+          args.length = 0;
+          operation.args = args;
+
+          if (!preprocessor.read(operation)) {
+            break;
+          }
+
+          textState = stateManager.state;
+          var fn = operation.fn;
+          args = operation.args;
+          var advance, diff;
+
+          switch (fn | 0) {
+            case _util.OPS.setFont:
+              var fontNameArg = args[0].name,
+                  fontSizeArg = args[1];
+
+              if (textState.font && fontNameArg === textState.fontName && fontSizeArg === textState.fontSize) {
+                break;
+              }
+
+              flushTextContentItem();
+              textState.fontName = fontNameArg;
+              textState.fontSize = fontSizeArg;
+              next(handleSetFont(fontNameArg, null));
+              return;
+
+            case _util.OPS.setTextRise:
+              flushTextContentItem();
+              textState.textRise = args[0];
+              break;
+
+            case _util.OPS.setHScale:
+              flushTextContentItem();
+              textState.textHScale = args[0] / 100;
+              break;
+
+            case _util.OPS.setLeading:
+              flushTextContentItem();
+              textState.leading = args[0];
+              break;
+
+            case _util.OPS.moveText:
+              var isSameTextLine = !textState.font ? false : (textState.font.vertical ? args[0] : args[1]) === 0;
+              advance = args[0] - args[1];
+
+              if (combineTextItems && isSameTextLine && textContentItem.initialized && advance > 0 && advance <= textContentItem.fakeMultiSpaceMax) {
+                textState.translateTextLineMatrix(args[0], args[1]);
+                textContentItem.width += args[0] - textContentItem.lastAdvanceWidth;
+                textContentItem.height += args[1] - textContentItem.lastAdvanceHeight;
+                diff = args[0] - textContentItem.lastAdvanceWidth - (args[1] - textContentItem.lastAdvanceHeight);
+                addFakeSpaces(diff, textContentItem.str);
+                break;
+              }
+
+              flushTextContentItem();
+              textState.translateTextLineMatrix(args[0], args[1]);
+              textState.textMatrix = textState.textLineMatrix.slice();
+              break;
+
+            case _util.OPS.setLeadingMoveText:
+              flushTextContentItem();
+              textState.leading = -args[1];
+              textState.translateTextLineMatrix(args[0], args[1]);
+              textState.textMatrix = textState.textLineMatrix.slice();
+              break;
+
+            case _util.OPS.nextLine:
+              flushTextContentItem();
+              textState.carriageReturn();
+              break;
+
+            case _util.OPS.setTextMatrix:
+              advance = textState.calcTextLineMatrixAdvance(args[0], args[1], args[2], args[3], args[4], args[5]);
+
+              if (combineTextItems && advance !== null && textContentItem.initialized && advance.value > 0 && advance.value <= textContentItem.fakeMultiSpaceMax) {
+                textState.translateTextLineMatrix(advance.width, advance.height);
+                textContentItem.width += advance.width - textContentItem.lastAdvanceWidth;
+                textContentItem.height += advance.height - textContentItem.lastAdvanceHeight;
+                diff = advance.width - textContentItem.lastAdvanceWidth - (advance.height - textContentItem.lastAdvanceHeight);
+                addFakeSpaces(diff, textContentItem.str);
+                break;
+              }
+
+              flushTextContentItem();
+              textState.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+              textState.setTextLineMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+              break;
+
+            case _util.OPS.setCharSpacing:
+              textState.charSpacing = args[0];
+              break;
+
+            case _util.OPS.setWordSpacing:
+              textState.wordSpacing = args[0];
+              break;
+
+            case _util.OPS.beginText:
+              flushTextContentItem();
+              textState.textMatrix = _util.IDENTITY_MATRIX.slice();
+              textState.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+              break;
+
+            case _util.OPS.showSpacedText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              var items = args[0];
+              var offset;
+
+              for (var j = 0, jj = items.length; j < jj; j++) {
+                if (typeof items[j] === "string") {
+                  buildTextContentItem(items[j]);
+                } else if ((0, _util.isNum)(items[j])) {
+                  ensureTextContentItem();
+                  advance = items[j] * textState.fontSize / 1000;
+                  var breakTextRun = false;
+
+                  if (textState.font.vertical) {
+                    offset = advance;
+                    textState.translateTextMatrix(0, offset);
+                    breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                    if (!breakTextRun) {
+                      textContentItem.height += offset;
+                    }
+                  } else {
+                    advance = -advance;
+                    offset = advance * textState.textHScale;
+                    textState.translateTextMatrix(offset, 0);
+                    breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                    if (!breakTextRun) {
+                      textContentItem.width += offset;
+                    }
+                  }
+
+                  if (breakTextRun) {
+                    flushTextContentItem();
+                  } else if (advance > 0) {
+                    addFakeSpaces(advance, textContentItem.str);
+                  }
+                }
+              }
+
+              break;
+
+            case _util.OPS.showText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              buildTextContentItem(args[0]);
+              break;
+
+            case _util.OPS.nextLineShowText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              flushTextContentItem();
+              textState.carriageReturn();
+              buildTextContentItem(args[0]);
+              break;
+
+            case _util.OPS.nextLineSetSpacingShowText:
+              if (!stateManager.state.font) {
+                self.ensureStateFont(stateManager.state);
+                continue;
+              }
+
+              flushTextContentItem();
+              textState.wordSpacing = args[0];
+              textState.charSpacing = args[1];
+              textState.carriageReturn();
+              buildTextContentItem(args[2]);
+              break;
+
+            case _util.OPS.paintXObject:
+              flushTextContentItem();
+
+              if (!xobjs) {
+                xobjs = resources.get("XObject") || _primitives.Dict.empty;
+              }
+
+              var name = args[0].name;
+
+              if (name && emptyXObjectCache.getByName(name)) {
+                break;
+              }
+
+              next(new Promise(function (resolveXObject, rejectXObject) {
+                if (!name) {
+                  throw new _util.FormatError("XObject must be referred to by name.");
+                }
+
+                var xobj = xobjs.getRaw(name);
+
+                if (xobj instanceof _primitives.Ref) {
+                  if (emptyXObjectCache.getByRef(xobj)) {
+                    resolveXObject();
+                    return;
+                  }
+
+                  xobj = xref.fetch(xobj);
+                }
+
+                if (!(0, _primitives.isStream)(xobj)) {
+                  throw new _util.FormatError("XObject should be a stream");
+                }
+
+                var type = xobj.dict.get("Subtype");
+
+                if (!(0, _primitives.isName)(type)) {
+                  throw new _util.FormatError("XObject should have a Name subtype");
+                }
+
+                if (type.name !== "Form") {
+                  emptyXObjectCache.set(name, xobj.dict.objId, true);
+                  resolveXObject();
+                  return;
+                }
+
+                var currentState = stateManager.state.clone();
+                var xObjStateManager = new StateManager(currentState);
+                var matrix = xobj.dict.getArray("Matrix");
+
+                if (Array.isArray(matrix) && matrix.length === 6) {
+                  xObjStateManager.transform(matrix);
+                }
+
+                enqueueChunk();
+                var sinkWrapper = {
+                  enqueueInvoked: false,
+                  enqueue: function enqueue(chunk, size) {
+                    this.enqueueInvoked = true;
+                    sink.enqueue(chunk, size);
+                  },
+
+                  get desiredSize() {
+                    return sink.desiredSize;
+                  },
+
+                  get ready() {
+                    return sink.ready;
+                  }
+
+                };
+                self.getTextContent({
+                  stream: xobj,
+                  task: task,
+                  resources: xobj.dict.get("Resources") || resources,
+                  stateManager: xObjStateManager,
+                  normalizeWhitespace: normalizeWhitespace,
+                  combineTextItems: combineTextItems,
+                  sink: sinkWrapper,
+                  seenStyles: seenStyles
+                }).then(function () {
+                  if (!sinkWrapper.enqueueInvoked) {
+                    emptyXObjectCache.set(name, xobj.dict.objId, true);
+                  }
+
+                  resolveXObject();
+                }, rejectXObject);
+              })["catch"](function (reason) {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  (0, _util.warn)("getTextContent - ignoring XObject: \"".concat(reason, "\"."));
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+
+            case _util.OPS.setGState:
+              name = args[0].name;
+
+              if (name && emptyGStateCache.getByName(name)) {
+                break;
+              }
+
+              next(new Promise(function (resolveGState, rejectGState) {
+                if (!name) {
+                  throw new _util.FormatError("GState must be referred to by name.");
+                }
+
+                var extGState = resources.get("ExtGState");
+
+                if (!(extGState instanceof _primitives.Dict)) {
+                  throw new _util.FormatError("ExtGState should be a dictionary.");
+                }
+
+                var gState = extGState.get(name);
+
+                if (!(gState instanceof _primitives.Dict)) {
+                  throw new _util.FormatError("GState should be a dictionary.");
+                }
+
+                var gStateFont = gState.get("Font");
+
+                if (!gStateFont) {
+                  emptyGStateCache.set(name, gState.objId, true);
+                  resolveGState();
+                  return;
+                }
+
+                flushTextContentItem();
+                textState.fontName = null;
+                textState.fontSize = gStateFont[1];
+                handleSetFont(null, gStateFont[0]).then(resolveGState, rejectGState);
+              })["catch"](function (reason) {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  (0, _util.warn)("getTextContent - ignoring ExtGState: \"".concat(reason, "\"."));
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+          }
+
+          if (textContent.items.length >= sink.desiredSize) {
+            stop = true;
+            break;
+          }
+        }
+
+        if (stop) {
+          next(deferred);
+          return;
+        }
+
+        flushTextContentItem();
+        enqueueChunk();
+        resolve();
+      })["catch"](function (reason) {
+        if (reason instanceof _util.AbortException) {
+          return;
+        }
+
+        if (_this8.options.ignoreErrors) {
+          (0, _util.warn)("getTextContent - ignoring errors during \"".concat(task.name, "\" ") + "task: \"".concat(reason, "\"."));
+          flushTextContentItem();
+          enqueueChunk();
+          return;
+        }
+
+        throw reason;
+      });
+    }
+  }, {
+    key: "extractDataStructures",
+    value: function extractDataStructures(dict, baseDict, properties) {
+      var _this9 = this;
+
+      var xref = this.xref;
+      var cidToGidBytes;
+      var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+      var toUnicodePromise = toUnicode ? this.readToUnicode(toUnicode) : Promise.resolve(undefined);
+
+      if (properties.composite) {
+        var cidSystemInfo = dict.get("CIDSystemInfo");
+
+        if ((0, _primitives.isDict)(cidSystemInfo)) {
+          properties.cidSystemInfo = {
+            registry: (0, _util.stringToPDFString)(cidSystemInfo.get("Registry")),
+            ordering: (0, _util.stringToPDFString)(cidSystemInfo.get("Ordering")),
+            supplement: cidSystemInfo.get("Supplement")
+          };
+        }
+
+        var cidToGidMap = dict.get("CIDToGIDMap");
+
+        if ((0, _primitives.isStream)(cidToGidMap)) {
+          cidToGidBytes = cidToGidMap.getBytes();
+        }
+      }
+
+      var differences = [];
+      var baseEncodingName = null;
+      var encoding;
+
+      if (dict.has("Encoding")) {
+        encoding = dict.get("Encoding");
+
+        if ((0, _primitives.isDict)(encoding)) {
+          baseEncodingName = encoding.get("BaseEncoding");
+          baseEncodingName = (0, _primitives.isName)(baseEncodingName) ? baseEncodingName.name : null;
+
+          if (encoding.has("Differences")) {
+            var diffEncoding = encoding.get("Differences");
+            var index = 0;
+
+            for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
+              var data = xref.fetchIfRef(diffEncoding[j]);
+
+              if ((0, _util.isNum)(data)) {
+                index = data;
+              } else if ((0, _primitives.isName)(data)) {
+                differences[index++] = data.name;
+              } else {
+                throw new _util.FormatError("Invalid entry in 'Differences' array: ".concat(data));
+              }
+            }
+          }
+        } else if ((0, _primitives.isName)(encoding)) {
+          baseEncodingName = encoding.name;
+        } else {
+          throw new _util.FormatError("Encoding is not a Name nor a Dict");
+        }
+
+        if (baseEncodingName !== "MacRomanEncoding" && baseEncodingName !== "MacExpertEncoding" && baseEncodingName !== "WinAnsiEncoding") {
+          baseEncodingName = null;
+        }
+      }
+
+      if (baseEncodingName) {
+        properties.defaultEncoding = (0, _encodings.getEncoding)(baseEncodingName).slice();
+      } else {
+        var isSymbolicFont = !!(properties.flags & _fonts.FontFlags.Symbolic);
+        var isNonsymbolicFont = !!(properties.flags & _fonts.FontFlags.Nonsymbolic);
+        encoding = _encodings.StandardEncoding;
+
+        if (properties.type === "TrueType" && !isNonsymbolicFont) {
+          encoding = _encodings.WinAnsiEncoding;
+        }
+
+        if (isSymbolicFont) {
+          encoding = _encodings.MacRomanEncoding;
+
+          if (!properties.file) {
+            if (/Symbol/i.test(properties.name)) {
+              encoding = _encodings.SymbolSetEncoding;
+            } else if (/Dingbats|Wingdings/i.test(properties.name)) {
+              encoding = _encodings.ZapfDingbatsEncoding;
+            }
+          }
+        }
+
+        properties.defaultEncoding = encoding;
+      }
+
+      properties.differences = differences;
+      properties.baseEncodingName = baseEncodingName;
+      properties.hasEncoding = !!baseEncodingName || differences.length > 0;
+      properties.dict = dict;
+      return toUnicodePromise.then(function (readToUnicode) {
+        properties.toUnicode = readToUnicode;
+        return _this9.buildToUnicode(properties);
+      }).then(function (builtToUnicode) {
+        properties.toUnicode = builtToUnicode;
+
+        if (cidToGidBytes) {
+          properties.cidToGidMap = _this9.readCidToGidMap(cidToGidBytes, builtToUnicode);
+        }
+
+        return properties;
+      });
+    }
+  }, {
+    key: "_buildSimpleFontToUnicode",
+    value: function _buildSimpleFontToUnicode(properties) {
+      var forceGlyphs = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      (0, _util.assert)(!properties.composite, "Must be a simple font.");
+      var toUnicode = [];
+      var encoding = properties.defaultEncoding.slice();
+      var baseEncodingName = properties.baseEncodingName;
+      var differences = properties.differences;
+
+      for (var charcode in differences) {
+        var glyphName = differences[charcode];
+
+        if (glyphName === ".notdef") {
+          continue;
+        }
+
+        encoding[charcode] = glyphName;
+      }
+
+      var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+      for (var _charcode in encoding) {
+        var _glyphName = encoding[_charcode];
+
+        if (_glyphName === "") {
+          continue;
+        } else if (glyphsUnicodeMap[_glyphName] === undefined) {
+          var code = 0;
+
+          switch (_glyphName[0]) {
+            case "G":
+              if (_glyphName.length === 3) {
+                code = parseInt(_glyphName.substring(1), 16);
+              }
+
+              break;
+
+            case "g":
+              if (_glyphName.length === 5) {
+                code = parseInt(_glyphName.substring(1), 16);
+              }
+
+              break;
+
+            case "C":
+            case "c":
+              if (_glyphName.length >= 3 && _glyphName.length <= 4) {
+                var codeStr = _glyphName.substring(1);
+
+                if (forceGlyphs) {
+                  code = parseInt(codeStr, 16);
+                  break;
+                }
+
+                code = +codeStr;
+
+                if (Number.isNaN(code) && Number.isInteger(parseInt(codeStr, 16))) {
+                  return this._buildSimpleFontToUnicode(properties, true);
+                }
+              }
+
+              break;
+
+            default:
+              var unicode = (0, _unicode.getUnicodeForGlyph)(_glyphName, glyphsUnicodeMap);
+
+              if (unicode !== -1) {
+                code = unicode;
+              }
+
+          }
+
+          if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {
+            if (baseEncodingName && code === +_charcode) {
+              var baseEncoding = (0, _encodings.getEncoding)(baseEncodingName);
+
+              if (baseEncoding && (_glyphName = baseEncoding[_charcode])) {
+                toUnicode[_charcode] = String.fromCharCode(glyphsUnicodeMap[_glyphName]);
+                continue;
+              }
+            }
+
+            toUnicode[_charcode] = String.fromCodePoint(code);
+          }
+
+          continue;
+        }
+
+        toUnicode[_charcode] = String.fromCharCode(glyphsUnicodeMap[_glyphName]);
+      }
+
+      return new _fonts.ToUnicodeMap(toUnicode);
+    }
+  }, {
+    key: "buildToUnicode",
+    value: function buildToUnicode(properties) {
+      properties.hasIncludedToUnicodeMap = !!properties.toUnicode && properties.toUnicode.length > 0;
+
+      if (properties.hasIncludedToUnicodeMap) {
+        if (!properties.composite && properties.hasEncoding) {
+          properties.fallbackToUnicode = this._buildSimpleFontToUnicode(properties);
+        }
+
+        return Promise.resolve(properties.toUnicode);
+      }
+
+      if (!properties.composite) {
+        return Promise.resolve(this._buildSimpleFontToUnicode(properties));
+      }
+
+      if (properties.composite && (properties.cMap.builtInCMap && !(properties.cMap instanceof _cmap.IdentityCMap) || properties.cidSystemInfo.registry === "Adobe" && (properties.cidSystemInfo.ordering === "GB1" || properties.cidSystemInfo.ordering === "CNS1" || properties.cidSystemInfo.ordering === "Japan1" || properties.cidSystemInfo.ordering === "Korea1"))) {
+        var registry = properties.cidSystemInfo.registry;
+        var ordering = properties.cidSystemInfo.ordering;
+
+        var ucs2CMapName = _primitives.Name.get(registry + "-" + ordering + "-UCS2");
+
+        return _cmap.CMapFactory.create({
+          encoding: ucs2CMapName,
+          fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+          useCMap: null
+        }).then(function (ucs2CMap) {
+          var cMap = properties.cMap;
+          var toUnicode = [];
+          cMap.forEach(function (charcode, cid) {
+            if (cid > 0xffff) {
+              throw new _util.FormatError("Max size of CID is 65,535");
+            }
+
+            var ucs2 = ucs2CMap.lookup(cid);
+
+            if (ucs2) {
+              toUnicode[charcode] = String.fromCharCode((ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1));
+            }
+          });
+          return new _fonts.ToUnicodeMap(toUnicode);
+        });
+      }
+
+      return Promise.resolve(new _fonts.IdentityToUnicodeMap(properties.firstChar, properties.lastChar));
+    }
+  }, {
+    key: "readToUnicode",
+    value: function readToUnicode(toUnicode) {
+      var _this10 = this;
+
+      var cmapObj = toUnicode;
+
+      if ((0, _primitives.isName)(cmapObj)) {
+        return _cmap.CMapFactory.create({
+          encoding: cmapObj,
+          fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+          useCMap: null
+        }).then(function (cmap) {
+          if (cmap instanceof _cmap.IdentityCMap) {
+            return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+          }
+
+          return new _fonts.ToUnicodeMap(cmap.getMap());
+        });
+      } else if ((0, _primitives.isStream)(cmapObj)) {
+        return _cmap.CMapFactory.create({
+          encoding: cmapObj,
+          fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+          useCMap: null
+        }).then(function (cmap) {
+          if (cmap instanceof _cmap.IdentityCMap) {
+            return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+          }
+
+          var map = new Array(cmap.length);
+          cmap.forEach(function (charCode, token) {
+            var str = [];
+
+            for (var k = 0; k < token.length; k += 2) {
+              var w1 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+
+              if ((w1 & 0xf800) !== 0xd800) {
+                str.push(w1);
+                continue;
+              }
+
+              k += 2;
+              var w2 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+              str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);
+            }
+
+            map[charCode] = String.fromCodePoint.apply(String, str);
+          });
+          return new _fonts.ToUnicodeMap(map);
+        }, function (reason) {
+          if (reason instanceof _util.AbortException) {
+            return null;
+          }
+
+          if (_this10.options.ignoreErrors) {
+            _this10.handler.send("UnsupportedFeature", {
+              featureId: _util.UNSUPPORTED_FEATURES.errorFontToUnicode
+            });
+
+            (0, _util.warn)("readToUnicode - ignoring ToUnicode data: \"".concat(reason, "\"."));
+            return null;
+          }
+
+          throw reason;
+        });
+      }
+
+      return Promise.resolve(null);
+    }
+  }, {
+    key: "readCidToGidMap",
+    value: function readCidToGidMap(glyphsData, toUnicode) {
+      var result = [];
+
+      for (var j = 0, jj = glyphsData.length; j < jj; j++) {
+        var glyphID = glyphsData[j++] << 8 | glyphsData[j];
+        var code = j >> 1;
+
+        if (glyphID === 0 && !toUnicode.has(code)) {
+          continue;
+        }
+
+        result[code] = glyphID;
+      }
+
+      return result;
+    }
+  }, {
+    key: "extractWidths",
+    value: function extractWidths(dict, descriptor, properties) {
+      var xref = this.xref;
+      var glyphsWidths = [];
+      var defaultWidth = 0;
+      var glyphsVMetrics = [];
+      var defaultVMetrics;
+      var i, ii, j, jj, start, code, widths;
+
+      if (properties.composite) {
+        defaultWidth = dict.has("DW") ? dict.get("DW") : 1000;
+        widths = dict.get("W");
+
+        if (widths) {
+          for (i = 0, ii = widths.length; i < ii; i++) {
+            start = xref.fetchIfRef(widths[i++]);
+            code = xref.fetchIfRef(widths[i]);
+
+            if (Array.isArray(code)) {
+              for (j = 0, jj = code.length; j < jj; j++) {
+                glyphsWidths[start++] = xref.fetchIfRef(code[j]);
+              }
+            } else {
+              var width = xref.fetchIfRef(widths[++i]);
+
+              for (j = start; j <= code; j++) {
+                glyphsWidths[j] = width;
+              }
+            }
+          }
+        }
+
+        if (properties.vertical) {
+          var vmetrics = dict.getArray("DW2") || [880, -1000];
+          defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];
+          vmetrics = dict.get("W2");
+
+          if (vmetrics) {
+            for (i = 0, ii = vmetrics.length; i < ii; i++) {
+              start = xref.fetchIfRef(vmetrics[i++]);
+              code = xref.fetchIfRef(vmetrics[i]);
+
+              if (Array.isArray(code)) {
+                for (j = 0, jj = code.length; j < jj; j++) {
+                  glyphsVMetrics[start++] = [xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j])];
+                }
+              } else {
+                var vmetric = [xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i])];
+
+                for (j = start; j <= code; j++) {
+                  glyphsVMetrics[j] = vmetric;
+                }
+              }
+            }
+          }
+        }
+      } else {
+        var firstChar = properties.firstChar;
+        widths = dict.get("Widths");
+
+        if (widths) {
+          j = firstChar;
+
+          for (i = 0, ii = widths.length; i < ii; i++) {
+            glyphsWidths[j++] = xref.fetchIfRef(widths[i]);
+          }
+
+          defaultWidth = parseFloat(descriptor.get("MissingWidth")) || 0;
+        } else {
+          var baseFontName = dict.get("BaseFont");
+
+          if ((0, _primitives.isName)(baseFontName)) {
+            var metrics = this.getBaseFontMetrics(baseFontName.name);
+            glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties);
+            defaultWidth = metrics.defaultWidth;
+          }
+        }
+      }
+
+      var isMonospace = true;
+      var firstWidth = defaultWidth;
+
+      for (var glyph in glyphsWidths) {
+        var glyphWidth = glyphsWidths[glyph];
+
+        if (!glyphWidth) {
+          continue;
+        }
+
+        if (!firstWidth) {
+          firstWidth = glyphWidth;
+          continue;
+        }
+
+        if (firstWidth !== glyphWidth) {
+          isMonospace = false;
+          break;
+        }
+      }
+
+      if (isMonospace) {
+        properties.flags |= _fonts.FontFlags.FixedPitch;
+      }
+
+      properties.defaultWidth = defaultWidth;
+      properties.widths = glyphsWidths;
+      properties.defaultVMetrics = defaultVMetrics;
+      properties.vmetrics = glyphsVMetrics;
+    }
+  }, {
+    key: "isSerifFont",
+    value: function isSerifFont(baseFontName) {
+      var fontNameWoStyle = baseFontName.split("-")[0];
+      return fontNameWoStyle in (0, _standard_fonts.getSerifFonts)() || fontNameWoStyle.search(/serif/gi) !== -1;
+    }
+  }, {
+    key: "getBaseFontMetrics",
+    value: function getBaseFontMetrics(name) {
+      var defaultWidth = 0;
+      var widths = [];
+      var monospace = false;
+      var stdFontMap = (0, _standard_fonts.getStdFontMap)();
+      var lookupName = stdFontMap[name] || name;
+      var Metrics = (0, _metrics.getMetrics)();
+
+      if (!(lookupName in Metrics)) {
+        if (this.isSerifFont(name)) {
+          lookupName = "Times-Roman";
+        } else {
+          lookupName = "Helvetica";
+        }
+      }
+
+      var glyphWidths = Metrics[lookupName];
+
+      if ((0, _util.isNum)(glyphWidths)) {
+        defaultWidth = glyphWidths;
+        monospace = true;
+      } else {
+        widths = glyphWidths();
+      }
+
+      return {
+        defaultWidth: defaultWidth,
+        monospace: monospace,
+        widths: widths
+      };
+    }
+  }, {
+    key: "buildCharCodeToWidth",
+    value: function buildCharCodeToWidth(widthsByGlyphName, properties) {
+      var widths = Object.create(null);
+      var differences = properties.differences;
+      var encoding = properties.defaultEncoding;
+
+      for (var charCode = 0; charCode < 256; charCode++) {
+        if (charCode in differences && widthsByGlyphName[differences[charCode]]) {
+          widths[charCode] = widthsByGlyphName[differences[charCode]];
+          continue;
+        }
+
+        if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {
+          widths[charCode] = widthsByGlyphName[encoding[charCode]];
+          continue;
+        }
+      }
+
+      return widths;
+    }
+  }, {
+    key: "preEvaluateFont",
+    value: function preEvaluateFont(dict) {
+      var baseDict = dict;
+      var type = dict.get("Subtype");
+
+      if (!(0, _primitives.isName)(type)) {
+        throw new _util.FormatError("invalid font Subtype");
+      }
+
+      var composite = false;
+      var uint8array;
+
+      if (type.name === "Type0") {
+        var df = dict.get("DescendantFonts");
+
+        if (!df) {
+          throw new _util.FormatError("Descendant fonts are not specified");
+        }
+
+        dict = Array.isArray(df) ? this.xref.fetchIfRef(df[0]) : df;
+        type = dict.get("Subtype");
+
+        if (!(0, _primitives.isName)(type)) {
+          throw new _util.FormatError("invalid font Subtype");
+        }
+
+        composite = true;
+      }
+
+      var descriptor = dict.get("FontDescriptor");
+
+      if (descriptor) {
+        var hash = new _murmurhash.MurmurHash3_64();
+        var encoding = baseDict.getRaw("Encoding");
+
+        if ((0, _primitives.isName)(encoding)) {
+          hash.update(encoding.name);
+        } else if ((0, _primitives.isRef)(encoding)) {
+          hash.update(encoding.toString());
+        } else if ((0, _primitives.isDict)(encoding)) {
+          var _iterator5 = _createForOfIteratorHelper(encoding.getRawValues()),
+              _step5;
+
+          try {
+            for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+              var entry = _step5.value;
+
+              if ((0, _primitives.isName)(entry)) {
+                hash.update(entry.name);
+              } else if ((0, _primitives.isRef)(entry)) {
+                hash.update(entry.toString());
+              } else if (Array.isArray(entry)) {
+                var diffLength = entry.length,
+                    diffBuf = new Array(diffLength);
+
+                for (var j = 0; j < diffLength; j++) {
+                  var diffEntry = entry[j];
+
+                  if ((0, _primitives.isName)(diffEntry)) {
+                    diffBuf[j] = diffEntry.name;
+                  } else if ((0, _util.isNum)(diffEntry) || (0, _primitives.isRef)(diffEntry)) {
+                    diffBuf[j] = diffEntry.toString();
+                  }
+                }
+
+                hash.update(diffBuf.join());
+              }
+            }
+          } catch (err) {
+            _iterator5.e(err);
+          } finally {
+            _iterator5.f();
+          }
+        }
+
+        var firstChar = dict.get("FirstChar") || 0;
+        var lastChar = dict.get("LastChar") || (composite ? 0xffff : 0xff);
+        hash.update("".concat(firstChar, "-").concat(lastChar));
+        var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+
+        if ((0, _primitives.isStream)(toUnicode)) {
+          var stream = toUnicode.str || toUnicode;
+          uint8array = stream.buffer ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : new Uint8Array(stream.bytes.buffer, stream.start, stream.end - stream.start);
+          hash.update(uint8array);
+        } else if ((0, _primitives.isName)(toUnicode)) {
+          hash.update(toUnicode.name);
+        }
+
+        var widths = dict.get("Widths") || baseDict.get("Widths");
+
+        if (widths) {
+          uint8array = new Uint8Array(new Uint32Array(widths).buffer);
+          hash.update(uint8array);
+        }
+      }
+
+      return {
+        descriptor: descriptor,
+        dict: dict,
+        baseDict: baseDict,
+        composite: composite,
+        type: type.name,
+        hash: hash ? hash.hexdigest() : ""
+      };
+    }
+  }, {
+    key: "translateFont",
+    value: function translateFont(preEvaluatedFont) {
+      var _this11 = this;
+
+      var baseDict = preEvaluatedFont.baseDict;
+      var dict = preEvaluatedFont.dict;
+      var composite = preEvaluatedFont.composite;
+      var descriptor = preEvaluatedFont.descriptor;
+      var type = preEvaluatedFont.type;
+      var maxCharIndex = composite ? 0xffff : 0xff;
+      var properties;
+      var firstChar = dict.get("FirstChar") || 0;
+      var lastChar = dict.get("LastChar") || maxCharIndex;
+
+      if (!descriptor) {
+        if (type === "Type3") {
+          descriptor = new _primitives.Dict(null);
+          descriptor.set("FontName", _primitives.Name.get(type));
+          descriptor.set("FontBBox", dict.getArray("FontBBox") || [0, 0, 0, 0]);
+        } else {
+          var baseFontName = dict.get("BaseFont");
+
+          if (!(0, _primitives.isName)(baseFontName)) {
+            throw new _util.FormatError("Base font is not specified");
+          }
+
+          baseFontName = baseFontName.name.replace(/[,_]/g, "-");
+          var metrics = this.getBaseFontMetrics(baseFontName);
+          var fontNameWoStyle = baseFontName.split("-")[0];
+          var flags = (this.isSerifFont(fontNameWoStyle) ? _fonts.FontFlags.Serif : 0) | (metrics.monospace ? _fonts.FontFlags.FixedPitch : 0) | ((0, _standard_fonts.getSymbolsFonts)()[fontNameWoStyle] ? _fonts.FontFlags.Symbolic : _fonts.FontFlags.Nonsymbolic);
+          properties = {
+            type: type,
+            name: baseFontName,
+            widths: metrics.widths,
+            defaultWidth: metrics.defaultWidth,
+            flags: flags,
+            firstChar: firstChar,
+            lastChar: lastChar
+          };
+          var widths = dict.get("Widths");
+          return this.extractDataStructures(dict, dict, properties).then(function (newProperties) {
+            if (widths) {
+              var glyphWidths = [];
+              var j = firstChar;
+
+              for (var _i = 0, ii = widths.length; _i < ii; _i++) {
+                glyphWidths[j++] = _this11.xref.fetchIfRef(widths[_i]);
+              }
+
+              newProperties.widths = glyphWidths;
+            } else {
+              newProperties.widths = _this11.buildCharCodeToWidth(metrics.widths, newProperties);
+            }
+
+            return new _fonts.Font(baseFontName, null, newProperties);
+          });
+        }
+      }
+
+      var fontName = descriptor.get("FontName");
+      var baseFont = dict.get("BaseFont");
+
+      if ((0, _util.isString)(fontName)) {
+        fontName = _primitives.Name.get(fontName);
+      }
+
+      if ((0, _util.isString)(baseFont)) {
+        baseFont = _primitives.Name.get(baseFont);
+      }
+
+      if (type !== "Type3") {
+        var fontNameStr = fontName && fontName.name;
+        var baseFontStr = baseFont && baseFont.name;
+
+        if (fontNameStr !== baseFontStr) {
+          (0, _util.info)("The FontDescriptor's FontName is \"".concat(fontNameStr, "\" but ") + "should be the same as the Font's BaseFont \"".concat(baseFontStr, "\"."));
+
+          if (fontNameStr && baseFontStr && baseFontStr.startsWith(fontNameStr)) {
+            fontName = baseFont;
+          }
+        }
+      }
+
+      fontName = fontName || baseFont;
+
+      if (!(0, _primitives.isName)(fontName)) {
+        throw new _util.FormatError("invalid font name");
+      }
+
+      var fontFile = descriptor.get("FontFile", "FontFile2", "FontFile3");
+
+      if (fontFile) {
+        if (fontFile.dict) {
+          var subtype = fontFile.dict.get("Subtype");
+
+          if (subtype) {
+            subtype = subtype.name;
+          }
+
+          var length1 = fontFile.dict.get("Length1");
+          var length2 = fontFile.dict.get("Length2");
+          var length3 = fontFile.dict.get("Length3");
+        }
+      }
+
+      properties = {
+        type: type,
+        name: fontName.name,
+        subtype: subtype,
+        file: fontFile,
+        length1: length1,
+        length2: length2,
+        length3: length3,
+        loadedName: baseDict.loadedName,
+        composite: composite,
+        fixedPitch: false,
+        fontMatrix: dict.getArray("FontMatrix") || _util.FONT_IDENTITY_MATRIX,
+        firstChar: firstChar || 0,
+        lastChar: lastChar || maxCharIndex,
+        bbox: descriptor.getArray("FontBBox"),
+        ascent: descriptor.get("Ascent"),
+        descent: descriptor.get("Descent"),
+        xHeight: descriptor.get("XHeight"),
+        capHeight: descriptor.get("CapHeight"),
+        flags: descriptor.get("Flags"),
+        italicAngle: descriptor.get("ItalicAngle"),
+        isType3Font: false
+      };
+      var cMapPromise;
+
+      if (composite) {
+        var cidEncoding = baseDict.get("Encoding");
+
+        if ((0, _primitives.isName)(cidEncoding)) {
+          properties.cidEncoding = cidEncoding.name;
+        }
+
+        cMapPromise = _cmap.CMapFactory.create({
+          encoding: cidEncoding,
+          fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+          useCMap: null
+        }).then(function (cMap) {
+          properties.cMap = cMap;
+          properties.vertical = properties.cMap.vertical;
+        });
+      } else {
+        cMapPromise = Promise.resolve(undefined);
+      }
+
+      return cMapPromise.then(function () {
+        return _this11.extractDataStructures(dict, baseDict, properties);
+      }).then(function (newProperties) {
+        _this11.extractWidths(dict, descriptor, newProperties);
+
+        if (type === "Type3") {
+          newProperties.isType3Font = true;
+        }
+
+        return new _fonts.Font(fontName.name, fontFile, newProperties);
+      });
+    }
+  }, {
+    key: "_pdfFunctionFactory",
+    get: function get() {
+      var pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref: this.xref,
+        isEvalSupported: this.options.isEvalSupported
+      });
+      return (0, _util.shadow)(this, "_pdfFunctionFactory", pdfFunctionFactory);
+    }
+  }], [{
+    key: "buildFontPaths",
+    value: function buildFontPaths(font, glyphs, handler) {
+      function buildPath(fontChar) {
+        if (font.renderer.hasBuiltPath(fontChar)) {
+          return;
+        }
+
+        handler.send("commonobj", ["".concat(font.loadedName, "_path_").concat(fontChar), "FontPath", font.renderer.getPathJs(fontChar)]);
+      }
+
+      var _iterator6 = _createForOfIteratorHelper(glyphs),
+          _step6;
+
+      try {
+        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+          var glyph = _step6.value;
+          buildPath(glyph.fontChar);
+          var accent = glyph.accent;
+
+          if (accent && accent.fontChar) {
+            buildPath(accent.fontChar);
+          }
+        }
+      } catch (err) {
+        _iterator6.e(err);
+      } finally {
+        _iterator6.f();
+      }
+    }
+  }, {
+    key: "fallbackFontDict",
+    get: function get() {
+      var dict = new _primitives.Dict();
+      dict.set("BaseFont", _primitives.Name.get("PDFJS-FallbackFont"));
+      dict.set("Type", _primitives.Name.get("FallbackType"));
+      dict.set("Subtype", _primitives.Name.get("FallbackType"));
+      dict.set("Encoding", _primitives.Name.get("WinAnsiEncoding"));
+      return (0, _util.shadow)(this, "fallbackFontDict", dict);
+    }
+  }]);
+
+  return PartialEvaluator;
+}();
+
+exports.PartialEvaluator = PartialEvaluator;
+
+var TranslatedFont = /*#__PURE__*/function () {
+  function TranslatedFont(_ref8) {
+    var loadedName = _ref8.loadedName,
+        font = _ref8.font,
+        dict = _ref8.dict,
+        _ref8$extraProperties = _ref8.extraProperties,
+        extraProperties = _ref8$extraProperties === void 0 ? false : _ref8$extraProperties;
+
+    _classCallCheck(this, TranslatedFont);
+
+    this.loadedName = loadedName;
+    this.font = font;
+    this.dict = dict;
+    this._extraProperties = extraProperties;
+    this.type3Loaded = null;
+    this.type3Dependencies = font.isType3Font ? new Set() : null;
+    this.sent = false;
+  }
+
+  _createClass(TranslatedFont, [{
+    key: "send",
+    value: function send(handler) {
+      if (this.sent) {
+        return;
+      }
+
+      this.sent = true;
+      handler.send("commonobj", [this.loadedName, "Font", this.font.exportData(this._extraProperties)]);
+    }
+  }, {
+    key: "fallback",
+    value: function fallback(handler) {
+      if (!this.font.data) {
+        return;
+      }
+
+      this.font.disableFontFace = true;
+      var glyphs = this.font.glyphCacheValues;
+      PartialEvaluator.buildFontPaths(this.font, glyphs, handler);
+    }
+  }, {
+    key: "loadType3Data",
+    value: function loadType3Data(evaluator, resources, task) {
+      if (this.type3Loaded) {
+        return this.type3Loaded;
+      }
+
+      if (!this.font.isType3Font) {
+        throw new Error("Must be a Type3 font.");
+      }
+
+      var type3Options = Object.create(evaluator.options);
+      type3Options.ignoreErrors = false;
+      var type3Evaluator = evaluator.clone(type3Options);
+      type3Evaluator.parsingType3Font = true;
+      var translatedFont = this.font,
+          type3Dependencies = this.type3Dependencies;
+      var loadCharProcsPromise = Promise.resolve();
+      var charProcs = this.dict.get("CharProcs");
+      var fontResources = this.dict.get("Resources") || resources;
+      var charProcOperatorList = Object.create(null);
+
+      var _iterator7 = _createForOfIteratorHelper(charProcs.getKeys()),
+          _step7;
+
+      try {
+        var _loop2 = function _loop2() {
+          var key = _step7.value;
+          loadCharProcsPromise = loadCharProcsPromise.then(function () {
+            var glyphStream = charProcs.get(key);
+            var operatorList = new _operator_list.OperatorList();
+            return type3Evaluator.getOperatorList({
+              stream: glyphStream,
+              task: task,
+              resources: fontResources,
+              operatorList: operatorList
+            }).then(function () {
+              charProcOperatorList[key] = operatorList.getIR();
+
+              var _iterator8 = _createForOfIteratorHelper(operatorList.dependencies),
+                  _step8;
+
+              try {
+                for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {
+                  var dependency = _step8.value;
+                  type3Dependencies.add(dependency);
+                }
+              } catch (err) {
+                _iterator8.e(err);
+              } finally {
+                _iterator8.f();
+              }
+            })["catch"](function (reason) {
+              (0, _util.warn)("Type3 font resource \"".concat(key, "\" is not available."));
+              var dummyOperatorList = new _operator_list.OperatorList();
+              charProcOperatorList[key] = dummyOperatorList.getIR();
+            });
+          });
+        };
+
+        for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+          _loop2();
+        }
+      } catch (err) {
+        _iterator7.e(err);
+      } finally {
+        _iterator7.f();
+      }
+
+      this.type3Loaded = loadCharProcsPromise.then(function () {
+        translatedFont.charProcOperatorList = charProcOperatorList;
+      });
+      return this.type3Loaded;
+    }
+  }]);
+
+  return TranslatedFont;
+}();
+
+var StateManager = /*#__PURE__*/function () {
+  function StateManager(initialState) {
+    _classCallCheck(this, StateManager);
+
+    this.state = initialState;
+    this.stateStack = [];
+  }
+
+  _createClass(StateManager, [{
+    key: "save",
+    value: function save() {
+      var old = this.state;
+      this.stateStack.push(this.state);
+      this.state = old.clone();
+    }
+  }, {
+    key: "restore",
+    value: function restore() {
+      var prev = this.stateStack.pop();
+
+      if (prev) {
+        this.state = prev;
+      }
+    }
+  }, {
+    key: "transform",
+    value: function transform(args) {
+      this.state.ctm = _util.Util.transform(this.state.ctm, args);
+    }
+  }]);
+
+  return StateManager;
+}();
+
+var TextState = /*#__PURE__*/function () {
+  function TextState() {
+    _classCallCheck(this, TextState);
+
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.fontName = null;
+    this.fontSize = 0;
+    this.font = null;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.textMatrix = _util.IDENTITY_MATRIX.slice();
+    this.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.leading = 0;
+    this.textHScale = 1;
+    this.textRise = 0;
+  }
+
+  _createClass(TextState, [{
+    key: "setTextMatrix",
+    value: function setTextMatrix(a, b, c, d, e, f) {
+      var m = this.textMatrix;
+      m[0] = a;
+      m[1] = b;
+      m[2] = c;
+      m[3] = d;
+      m[4] = e;
+      m[5] = f;
+    }
+  }, {
+    key: "setTextLineMatrix",
+    value: function setTextLineMatrix(a, b, c, d, e, f) {
+      var m = this.textLineMatrix;
+      m[0] = a;
+      m[1] = b;
+      m[2] = c;
+      m[3] = d;
+      m[4] = e;
+      m[5] = f;
+    }
+  }, {
+    key: "translateTextMatrix",
+    value: function translateTextMatrix(x, y) {
+      var m = this.textMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+    }
+  }, {
+    key: "translateTextLineMatrix",
+    value: function translateTextLineMatrix(x, y) {
+      var m = this.textLineMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+    }
+  }, {
+    key: "calcTextLineMatrixAdvance",
+    value: function calcTextLineMatrixAdvance(a, b, c, d, e, f) {
+      var font = this.font;
+
+      if (!font) {
+        return null;
+      }
+
+      var m = this.textLineMatrix;
+
+      if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) {
+        return null;
+      }
+
+      var txDiff = e - m[4],
+          tyDiff = f - m[5];
+
+      if (font.vertical && txDiff !== 0 || !font.vertical && tyDiff !== 0) {
+        return null;
+      }
+
+      var tx,
+          ty,
+          denominator = a * d - b * c;
+
+      if (font.vertical) {
+        tx = -tyDiff * c / denominator;
+        ty = tyDiff * a / denominator;
+      } else {
+        tx = txDiff * d / denominator;
+        ty = -txDiff * b / denominator;
+      }
+
+      return {
+        width: tx,
+        height: ty,
+        value: font.vertical ? ty : tx
+      };
+    }
+  }, {
+    key: "calcRenderMatrix",
+    value: function calcRenderMatrix(ctm) {
+      var tsm = [this.fontSize * this.textHScale, 0, 0, this.fontSize, 0, this.textRise];
+      return _util.Util.transform(ctm, _util.Util.transform(this.textMatrix, tsm));
+    }
+  }, {
+    key: "carriageReturn",
+    value: function carriageReturn() {
+      this.translateTextLineMatrix(0, -this.leading);
+      this.textMatrix = this.textLineMatrix.slice();
+    }
+  }, {
+    key: "clone",
+    value: function clone() {
+      var clone = Object.create(this);
+      clone.textMatrix = this.textMatrix.slice();
+      clone.textLineMatrix = this.textLineMatrix.slice();
+      clone.fontMatrix = this.fontMatrix.slice();
+      return clone;
+    }
+  }]);
+
+  return TextState;
+}();
+
+var EvalState = /*#__PURE__*/function () {
+  function EvalState() {
+    _classCallCheck(this, EvalState);
+
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.font = null;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+    this.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+  }
+
+  _createClass(EvalState, [{
+    key: "clone",
+    value: function clone() {
+      return Object.create(this);
+    }
+  }]);
+
+  return EvalState;
+}();
+
+var EvaluatorPreprocessor = /*#__PURE__*/function () {
+  _createClass(EvaluatorPreprocessor, null, [{
+    key: "opMap",
+    get: function get() {
+      var getOPMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+        t.w = {
+          id: _util.OPS.setLineWidth,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.J = {
+          id: _util.OPS.setLineCap,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.j = {
+          id: _util.OPS.setLineJoin,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.M = {
+          id: _util.OPS.setMiterLimit,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.d = {
+          id: _util.OPS.setDash,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.ri = {
+          id: _util.OPS.setRenderingIntent,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.i = {
+          id: _util.OPS.setFlatness,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.gs = {
+          id: _util.OPS.setGState,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.q = {
+          id: _util.OPS.save,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.Q = {
+          id: _util.OPS.restore,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.cm = {
+          id: _util.OPS.transform,
+          numArgs: 6,
+          variableArgs: false
+        };
+        t.m = {
+          id: _util.OPS.moveTo,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.l = {
+          id: _util.OPS.lineTo,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.c = {
+          id: _util.OPS.curveTo,
+          numArgs: 6,
+          variableArgs: false
+        };
+        t.v = {
+          id: _util.OPS.curveTo2,
+          numArgs: 4,
+          variableArgs: false
+        };
+        t.y = {
+          id: _util.OPS.curveTo3,
+          numArgs: 4,
+          variableArgs: false
+        };
+        t.h = {
+          id: _util.OPS.closePath,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.re = {
+          id: _util.OPS.rectangle,
+          numArgs: 4,
+          variableArgs: false
+        };
+        t.S = {
+          id: _util.OPS.stroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.s = {
+          id: _util.OPS.closeStroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.f = {
+          id: _util.OPS.fill,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.F = {
+          id: _util.OPS.fill,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t["f*"] = {
+          id: _util.OPS.eoFill,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.B = {
+          id: _util.OPS.fillStroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t["B*"] = {
+          id: _util.OPS.eoFillStroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.b = {
+          id: _util.OPS.closeFillStroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t["b*"] = {
+          id: _util.OPS.closeEOFillStroke,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.n = {
+          id: _util.OPS.endPath,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.W = {
+          id: _util.OPS.clip,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t["W*"] = {
+          id: _util.OPS.eoClip,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.BT = {
+          id: _util.OPS.beginText,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.ET = {
+          id: _util.OPS.endText,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.Tc = {
+          id: _util.OPS.setCharSpacing,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Tw = {
+          id: _util.OPS.setWordSpacing,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Tz = {
+          id: _util.OPS.setHScale,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.TL = {
+          id: _util.OPS.setLeading,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Tf = {
+          id: _util.OPS.setFont,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.Tr = {
+          id: _util.OPS.setTextRenderingMode,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Ts = {
+          id: _util.OPS.setTextRise,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Td = {
+          id: _util.OPS.moveText,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.TD = {
+          id: _util.OPS.setLeadingMoveText,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.Tm = {
+          id: _util.OPS.setTextMatrix,
+          numArgs: 6,
+          variableArgs: false
+        };
+        t["T*"] = {
+          id: _util.OPS.nextLine,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.Tj = {
+          id: _util.OPS.showText,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.TJ = {
+          id: _util.OPS.showSpacedText,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t["'"] = {
+          id: _util.OPS.nextLineShowText,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t['"'] = {
+          id: _util.OPS.nextLineSetSpacingShowText,
+          numArgs: 3,
+          variableArgs: false
+        };
+        t.d0 = {
+          id: _util.OPS.setCharWidth,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.d1 = {
+          id: _util.OPS.setCharWidthAndBounds,
+          numArgs: 6,
+          variableArgs: false
+        };
+        t.CS = {
+          id: _util.OPS.setStrokeColorSpace,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.cs = {
+          id: _util.OPS.setFillColorSpace,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.SC = {
+          id: _util.OPS.setStrokeColor,
+          numArgs: 4,
+          variableArgs: true
+        };
+        t.SCN = {
+          id: _util.OPS.setStrokeColorN,
+          numArgs: 33,
+          variableArgs: true
+        };
+        t.sc = {
+          id: _util.OPS.setFillColor,
+          numArgs: 4,
+          variableArgs: true
+        };
+        t.scn = {
+          id: _util.OPS.setFillColorN,
+          numArgs: 33,
+          variableArgs: true
+        };
+        t.G = {
+          id: _util.OPS.setStrokeGray,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.g = {
+          id: _util.OPS.setFillGray,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.RG = {
+          id: _util.OPS.setStrokeRGBColor,
+          numArgs: 3,
+          variableArgs: false
+        };
+        t.rg = {
+          id: _util.OPS.setFillRGBColor,
+          numArgs: 3,
+          variableArgs: false
+        };
+        t.K = {
+          id: _util.OPS.setStrokeCMYKColor,
+          numArgs: 4,
+          variableArgs: false
+        };
+        t.k = {
+          id: _util.OPS.setFillCMYKColor,
+          numArgs: 4,
+          variableArgs: false
+        };
+        t.sh = {
+          id: _util.OPS.shadingFill,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.BI = {
+          id: _util.OPS.beginInlineImage,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.ID = {
+          id: _util.OPS.beginImageData,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.EI = {
+          id: _util.OPS.endInlineImage,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.Do = {
+          id: _util.OPS.paintXObject,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.MP = {
+          id: _util.OPS.markPoint,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.DP = {
+          id: _util.OPS.markPointProps,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.BMC = {
+          id: _util.OPS.beginMarkedContent,
+          numArgs: 1,
+          variableArgs: false
+        };
+        t.BDC = {
+          id: _util.OPS.beginMarkedContentProps,
+          numArgs: 2,
+          variableArgs: false
+        };
+        t.EMC = {
+          id: _util.OPS.endMarkedContent,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.BX = {
+          id: _util.OPS.beginCompat,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.EX = {
+          id: _util.OPS.endCompat,
+          numArgs: 0,
+          variableArgs: false
+        };
+        t.BM = null;
+        t.BD = null;
+        t["true"] = null;
+        t.fa = null;
+        t.fal = null;
+        t.fals = null;
+        t["false"] = null;
+        t.nu = null;
+        t.nul = null;
+        t["null"] = null;
+      });
+      return (0, _util.shadow)(this, "opMap", getOPMap());
+    }
+  }, {
+    key: "MAX_INVALID_PATH_OPS",
+    get: function get() {
+      return (0, _util.shadow)(this, "MAX_INVALID_PATH_OPS", 20);
+    }
+  }]);
+
+  function EvaluatorPreprocessor(stream, xref, stateManager) {
+    _classCallCheck(this, EvaluatorPreprocessor);
+
+    this.parser = new _parser.Parser({
+      lexer: new _parser.Lexer(stream, EvaluatorPreprocessor.opMap),
+      xref: xref
+    });
+    this.stateManager = stateManager;
+    this.nonProcessedArgs = [];
+    this._numInvalidPathOPS = 0;
+  }
+
+  _createClass(EvaluatorPreprocessor, [{
+    key: "read",
+    value: function read(operation) {
+      var args = operation.args;
+
+      while (true) {
+        var obj = this.parser.getObj();
+
+        if (obj instanceof _primitives.Cmd) {
+          var cmd = obj.cmd;
+          var opSpec = EvaluatorPreprocessor.opMap[cmd];
+
+          if (!opSpec) {
+            (0, _util.warn)("Unknown command \"".concat(cmd, "\"."));
+            continue;
+          }
+
+          var fn = opSpec.id;
+          var numArgs = opSpec.numArgs;
+          var argsLength = args !== null ? args.length : 0;
+
+          if (!opSpec.variableArgs) {
+            if (argsLength !== numArgs) {
+              var nonProcessedArgs = this.nonProcessedArgs;
+
+              while (argsLength > numArgs) {
+                nonProcessedArgs.push(args.shift());
+                argsLength--;
+              }
+
+              while (argsLength < numArgs && nonProcessedArgs.length !== 0) {
+                if (args === null) {
+                  args = [];
+                }
+
+                args.unshift(nonProcessedArgs.pop());
+                argsLength++;
+              }
+            }
+
+            if (argsLength < numArgs) {
+              var partialMsg = "command ".concat(cmd, ": expected ").concat(numArgs, " args, ") + "but received ".concat(argsLength, " args.");
+
+              if (fn >= _util.OPS.moveTo && fn <= _util.OPS.endPath && ++this._numInvalidPathOPS > EvaluatorPreprocessor.MAX_INVALID_PATH_OPS) {
+                throw new _util.FormatError("Invalid ".concat(partialMsg));
+              }
+
+              (0, _util.warn)("Skipping ".concat(partialMsg));
+
+              if (args !== null) {
+                args.length = 0;
+              }
+
+              continue;
+            }
+          } else if (argsLength > numArgs) {
+            (0, _util.info)("Command ".concat(cmd, ": expected [0, ").concat(numArgs, "] args, ") + "but received ".concat(argsLength, " args."));
+          }
+
+          this.preprocessCommand(fn, args);
+          operation.fn = fn;
+          operation.args = args;
+          return true;
+        }
+
+        if (obj === _primitives.EOF) {
+          return false;
+        }
+
+        if (obj !== null) {
+          if (args === null) {
+            args = [];
+          }
+
+          args.push(obj);
+
+          if (args.length > 33) {
+            throw new _util.FormatError("Too many arguments");
+          }
+        }
+      }
+    }
+  }, {
+    key: "preprocessCommand",
+    value: function preprocessCommand(fn, args) {
+      switch (fn | 0) {
+        case _util.OPS.save:
+          this.stateManager.save();
+          break;
+
+        case _util.OPS.restore:
+          this.stateManager.restore();
+          break;
+
+        case _util.OPS.transform:
+          this.stateManager.transform(args);
+          break;
+      }
+    }
+  }, {
+    key: "savedStatesDepth",
+    get: function get() {
+      return this.stateManager.stateStack.length;
+    }
+  }]);
+
+  return EvaluatorPreprocessor;
+}();
+
+/***/ }),
+/* 226 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CMapFactory = exports.IdentityCMap = exports.CMap = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _parser = __w_pdfjs_require__(208);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _stream = __w_pdfjs_require__(209);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var BUILT_IN_CMAPS = ["Adobe-GB1-UCS2", "Adobe-CNS1-UCS2", "Adobe-Japan1-UCS2", "Adobe-Korea1-UCS2", "78-EUC-H", "78-EUC-V", "78-H", "78-RKSJ-H", "78-RKSJ-V", "78-V", "78ms-RKSJ-H", "78ms-RKSJ-V", "83pv-RKSJ-H", "90ms-RKSJ-H", "90ms-RKSJ-V", "90msp-RKSJ-H", "90msp-RKSJ-V", "90pv-RKSJ-H", "90pv-RKSJ-V", "Add-H", "Add-RKSJ-H", "Add-RKSJ-V", "Add-V", "Adobe-CNS1-0", "Adobe-CNS1-1", "Adobe-CNS1-2", "Adobe-CNS1-3", "Adobe-CNS1-4", "Adobe-CNS1-5", "Adobe-CNS1-6", "Adobe-GB1-0", "Adobe-GB1-1", "Adobe-GB1-2", "Adobe-GB1-3", "Adobe-GB1-4", "Adobe-GB1-5", "Adobe-Japan1-0", "Adobe-Japan1-1", "Adobe-Japan1-2", "Adobe-Japan1-3", "Adobe-Japan1-4", "Adobe-Japan1-5", "Adobe-Japan1-6", "Adobe-Korea1-0", "Adobe-Korea1-1", "Adobe-Korea1-2", "B5-H", "B5-V", "B5pc-H", "B5pc-V", "CNS-EUC-H", "CNS-EUC-V", "CNS1-H", "CNS1-V", "CNS2-H", "CNS2-V", "ETHK-B5-H", "ETHK-B5-V", "ETen-B5-H", "ETen-B5-V", "ETenms-B5-H", "ETenms-B5-V", "EUC-H", "EUC-V", "Ext-H", "Ext-RKSJ-H", "Ext-RKSJ-V", "Ext-V", "GB-EUC-H", "GB-EUC-V", "GB-H", "GB-V", "GBK-EUC-H", "GBK-EUC-V", "GBK2K-H", "GBK2K-V", "GBKp-EUC-H", "GBKp-EUC-V", "GBT-EUC-H", "GBT-EUC-V", "GBT-H", "GBT-V", "GBTpc-EUC-H", "GBTpc-EUC-V", "GBpc-EUC-H", "GBpc-EUC-V", "H", "HKdla-B5-H", "HKdla-B5-V", "HKdlb-B5-H", "HKdlb-B5-V", "HKgccs-B5-H", "HKgccs-B5-V", "HKm314-B5-H", "HKm314-B5-V", "HKm471-B5-H", "HKm471-B5-V", "HKscs-B5-H", "HKscs-B5-V", "Hankaku", "Hiragana", "KSC-EUC-H", "KSC-EUC-V", "KSC-H", "KSC-Johab-H", "KSC-Johab-V", "KSC-V", "KSCms-UHC-H", "KSCms-UHC-HW-H", "KSCms-UHC-HW-V", "KSCms-UHC-V", "KSCpc-EUC-H", "KSCpc-EUC-V", "Katakana", "NWP-H", "NWP-V", "RKSJ-H", "RKSJ-V", "Roman", "UniCNS-UCS2-H", "UniCNS-UCS2-V", "UniCNS-UTF16-H", "UniCNS-UTF16-V", "UniCNS-UTF32-H", "UniCNS-UTF32-V", "UniCNS-UTF8-H", "UniCNS-UTF8-V", "UniGB-UCS2-H", "UniGB-UCS2-V", "UniGB-UTF16-H", "UniGB-UTF16-V", "UniGB-UTF32-H", "UniGB-UTF32-V", "UniGB-UTF8-H", "UniGB-UTF8-V", "UniJIS-UCS2-H", "UniJIS-UCS2-HW-H", "UniJIS-UCS2-HW-V", "UniJIS-UCS2-V", "UniJIS-UTF16-H", "UniJIS-UTF16-V", "UniJIS-UTF32-H", "UniJIS-UTF32-V", "UniJIS-UTF8-H", "UniJIS-UTF8-V", "UniJIS2004-UTF16-H", "UniJIS2004-UTF16-V", "UniJIS2004-UTF32-H", "UniJIS2004-UTF32-V", "UniJIS2004-UTF8-H", "UniJIS2004-UTF8-V", "UniJISPro-UCS2-HW-V", "UniJISPro-UCS2-V", "UniJISPro-UTF8-V", "UniJISX0213-UTF32-H", "UniJISX0213-UTF32-V", "UniJISX02132004-UTF32-H", "UniJISX02132004-UTF32-V", "UniKS-UCS2-H", "UniKS-UCS2-V", "UniKS-UTF16-H", "UniKS-UTF16-V", "UniKS-UTF32-H", "UniKS-UTF32-V", "UniKS-UTF8-H", "UniKS-UTF8-V", "V", "WP-Symbol"];
+var MAX_MAP_RANGE = Math.pow(2, 24) - 1;
+
+var CMap = /*#__PURE__*/function () {
+  function CMap() {
+    var builtInCMap = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+    _classCallCheck(this, CMap);
+
+    this.codespaceRanges = [[], [], [], []];
+    this.numCodespaceRanges = 0;
+    this._map = [];
+    this.name = "";
+    this.vertical = false;
+    this.useCMap = null;
+    this.builtInCMap = builtInCMap;
+  }
+
+  _createClass(CMap, [{
+    key: "addCodespaceRange",
+    value: function addCodespaceRange(n, low, high) {
+      this.codespaceRanges[n - 1].push(low, high);
+      this.numCodespaceRanges++;
+    }
+  }, {
+    key: "mapCidRange",
+    value: function mapCidRange(low, high, dstLow) {
+      if (high - low > MAX_MAP_RANGE) {
+        throw new Error("mapCidRange - ignoring data above MAX_MAP_RANGE.");
+      }
+
+      while (low <= high) {
+        this._map[low++] = dstLow++;
+      }
+    }
+  }, {
+    key: "mapBfRange",
+    value: function mapBfRange(low, high, dstLow) {
+      if (high - low > MAX_MAP_RANGE) {
+        throw new Error("mapBfRange - ignoring data above MAX_MAP_RANGE.");
+      }
+
+      var lastByte = dstLow.length - 1;
+
+      while (low <= high) {
+        this._map[low++] = dstLow;
+        dstLow = dstLow.substring(0, lastByte) + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);
+      }
+    }
+  }, {
+    key: "mapBfRangeToArray",
+    value: function mapBfRangeToArray(low, high, array) {
+      if (high - low > MAX_MAP_RANGE) {
+        throw new Error("mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.");
+      }
+
+      var ii = array.length;
+      var i = 0;
+
+      while (low <= high && i < ii) {
+        this._map[low] = array[i++];
+        ++low;
+      }
+    }
+  }, {
+    key: "mapOne",
+    value: function mapOne(src, dst) {
+      this._map[src] = dst;
+    }
+  }, {
+    key: "lookup",
+    value: function lookup(code) {
+      return this._map[code];
+    }
+  }, {
+    key: "contains",
+    value: function contains(code) {
+      return this._map[code] !== undefined;
+    }
+  }, {
+    key: "forEach",
+    value: function forEach(callback) {
+      var map = this._map;
+      var length = map.length;
+
+      if (length <= 0x10000) {
+        for (var i = 0; i < length; i++) {
+          if (map[i] !== undefined) {
+            callback(i, map[i]);
+          }
+        }
+      } else {
+        for (var _i in map) {
+          callback(_i, map[_i]);
+        }
+      }
+    }
+  }, {
+    key: "charCodeOf",
+    value: function charCodeOf(value) {
+      var map = this._map;
+
+      if (map.length <= 0x10000) {
+        return map.indexOf(value);
+      }
+
+      for (var charCode in map) {
+        if (map[charCode] === value) {
+          return charCode | 0;
+        }
+      }
+
+      return -1;
+    }
+  }, {
+    key: "getMap",
+    value: function getMap() {
+      return this._map;
+    }
+  }, {
+    key: "readCharCode",
+    value: function readCharCode(str, offset, out) {
+      var c = 0;
+      var codespaceRanges = this.codespaceRanges;
+
+      for (var n = 0, nn = codespaceRanges.length; n < nn; n++) {
+        c = (c << 8 | str.charCodeAt(offset + n)) >>> 0;
+        var codespaceRange = codespaceRanges[n];
+
+        for (var k = 0, kk = codespaceRange.length; k < kk;) {
+          var low = codespaceRange[k++];
+          var high = codespaceRange[k++];
+
+          if (c >= low && c <= high) {
+            out.charcode = c;
+            out.length = n + 1;
+            return;
+          }
+        }
+      }
+
+      out.charcode = 0;
+      out.length = 1;
+    }
+  }, {
+    key: "length",
+    get: function get() {
+      return this._map.length;
+    }
+  }, {
+    key: "isIdentityCMap",
+    get: function get() {
+      if (!(this.name === "Identity-H" || this.name === "Identity-V")) {
+        return false;
+      }
+
+      if (this._map.length !== 0x10000) {
+        return false;
+      }
+
+      for (var i = 0; i < 0x10000; i++) {
+        if (this._map[i] !== i) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  }]);
+
+  return CMap;
+}();
+
+exports.CMap = CMap;
+
+var IdentityCMap = /*#__PURE__*/function (_CMap) {
+  _inherits(IdentityCMap, _CMap);
+
+  var _super = _createSuper(IdentityCMap);
+
+  function IdentityCMap(vertical, n) {
+    var _this;
+
+    _classCallCheck(this, IdentityCMap);
+
+    _this = _super.call(this);
+    _this.vertical = vertical;
+
+    _this.addCodespaceRange(n, 0, 0xffff);
+
+    return _this;
+  }
+
+  _createClass(IdentityCMap, [{
+    key: "mapCidRange",
+    value: function mapCidRange(low, high, dstLow) {
+      (0, _util.unreachable)("should not call mapCidRange");
+    }
+  }, {
+    key: "mapBfRange",
+    value: function mapBfRange(low, high, dstLow) {
+      (0, _util.unreachable)("should not call mapBfRange");
+    }
+  }, {
+    key: "mapBfRangeToArray",
+    value: function mapBfRangeToArray(low, high, array) {
+      (0, _util.unreachable)("should not call mapBfRangeToArray");
+    }
+  }, {
+    key: "mapOne",
+    value: function mapOne(src, dst) {
+      (0, _util.unreachable)("should not call mapCidOne");
+    }
+  }, {
+    key: "lookup",
+    value: function lookup(code) {
+      return Number.isInteger(code) && code <= 0xffff ? code : undefined;
+    }
+  }, {
+    key: "contains",
+    value: function contains(code) {
+      return Number.isInteger(code) && code <= 0xffff;
+    }
+  }, {
+    key: "forEach",
+    value: function forEach(callback) {
+      for (var i = 0; i <= 0xffff; i++) {
+        callback(i, i);
+      }
+    }
+  }, {
+    key: "charCodeOf",
+    value: function charCodeOf(value) {
+      return Number.isInteger(value) && value <= 0xffff ? value : -1;
+    }
+  }, {
+    key: "getMap",
+    value: function getMap() {
+      var map = new Array(0x10000);
+
+      for (var i = 0; i <= 0xffff; i++) {
+        map[i] = i;
+      }
+
+      return map;
+    }
+  }, {
+    key: "length",
+    get: function get() {
+      return 0x10000;
+    }
+  }, {
+    key: "isIdentityCMap",
+    get: function get() {
+      (0, _util.unreachable)("should not access .isIdentityCMap");
+    }
+  }]);
+
+  return IdentityCMap;
+}(CMap);
+
+exports.IdentityCMap = IdentityCMap;
+
+var BinaryCMapReader = function BinaryCMapReaderClosure() {
+  function hexToInt(a, size) {
+    var n = 0;
+
+    for (var i = 0; i <= size; i++) {
+      n = n << 8 | a[i];
+    }
+
+    return n >>> 0;
+  }
+
+  function hexToStr(a, size) {
+    if (size === 1) {
+      return String.fromCharCode(a[0], a[1]);
+    }
+
+    if (size === 3) {
+      return String.fromCharCode(a[0], a[1], a[2], a[3]);
+    }
+
+    return String.fromCharCode.apply(null, a.subarray(0, size + 1));
+  }
+
+  function addHex(a, b, size) {
+    var c = 0;
+
+    for (var i = size; i >= 0; i--) {
+      c += a[i] + b[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  function incHex(a, size) {
+    var c = 1;
+
+    for (var i = size; i >= 0 && c > 0; i--) {
+      c += a[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  var MAX_NUM_SIZE = 16;
+  var MAX_ENCODED_NUM_SIZE = 19;
+
+  function BinaryCMapStream(data) {
+    this.buffer = data;
+    this.pos = 0;
+    this.end = data.length;
+    this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);
+  }
+
+  BinaryCMapStream.prototype = {
+    readByte: function readByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.buffer[this.pos++];
+    },
+    readNumber: function readNumber() {
+      var n = 0;
+      var last;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        n = n << 7 | b & 0x7f;
+      } while (!last);
+
+      return n;
+    },
+    readSigned: function readSigned() {
+      var n = this.readNumber();
+      return n & 1 ? ~(n >>> 1) : n >>> 1;
+    },
+    readHex: function readHex(num, size) {
+      num.set(this.buffer.subarray(this.pos, this.pos + size + 1));
+      this.pos += size + 1;
+    },
+    readHexNumber: function readHexNumber(num, size) {
+      var last;
+      var stack = this.tmpBuf,
+          sp = 0;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        stack[sp++] = b & 0x7f;
+      } while (!last);
+
+      var i = size,
+          buffer = 0,
+          bufferSize = 0;
+
+      while (i >= 0) {
+        while (bufferSize < 8 && stack.length > 0) {
+          buffer = stack[--sp] << bufferSize | buffer;
+          bufferSize += 7;
+        }
+
+        num[i] = buffer & 255;
+        i--;
+        buffer >>= 8;
+        bufferSize -= 8;
+      }
+    },
+    readHexSigned: function readHexSigned(num, size) {
+      this.readHexNumber(num, size);
+      var sign = num[size] & 1 ? 255 : 0;
+      var c = 0;
+
+      for (var i = 0; i <= size; i++) {
+        c = (c & 1) << 8 | num[i];
+        num[i] = c >> 1 ^ sign;
+      }
+    },
+    readString: function readString() {
+      var len = this.readNumber();
+      var s = "";
+
+      for (var i = 0; i < len; i++) {
+        s += String.fromCharCode(this.readNumber());
+      }
+
+      return s;
+    }
+  };
+
+  function processBinaryCMap(data, cMap, extend) {
+    return new Promise(function (resolve, reject) {
+      var stream = new BinaryCMapStream(data);
+      var header = stream.readByte();
+      cMap.vertical = !!(header & 1);
+      var useCMap = null;
+      var start = new Uint8Array(MAX_NUM_SIZE);
+      var end = new Uint8Array(MAX_NUM_SIZE);
+
+      var _char = new Uint8Array(MAX_NUM_SIZE);
+
+      var charCode = new Uint8Array(MAX_NUM_SIZE);
+      var tmp = new Uint8Array(MAX_NUM_SIZE);
+      var code;
+      var b;
+
+      while ((b = stream.readByte()) >= 0) {
+        var type = b >> 5;
+
+        if (type === 7) {
+          switch (b & 0x1f) {
+            case 0:
+              stream.readString();
+              break;
+
+            case 1:
+              useCMap = stream.readString();
+              break;
+          }
+
+          continue;
+        }
+
+        var sequence = !!(b & 0x10);
+        var dataSize = b & 15;
+
+        if (dataSize + 1 > MAX_NUM_SIZE) {
+          throw new Error("processBinaryCMap: Invalid dataSize.");
+        }
+
+        var ucs2DataSize = 1;
+        var subitemsCount = stream.readNumber();
+        var i;
+
+        switch (type) {
+          case 0:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+            }
+
+            break;
+
+          case 1:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            stream.readNumber();
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              stream.readNumber();
+            }
+
+            break;
+
+          case 2:
+            stream.readHex(_char, dataSize);
+            code = stream.readNumber();
+            cMap.mapOne(hexToInt(_char, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(_char, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, dataSize);
+                addHex(_char, tmp, dataSize);
+              }
+
+              code = stream.readSigned() + (code + 1);
+              cMap.mapOne(hexToInt(_char, dataSize), code);
+            }
+
+            break;
+
+          case 3:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            code = stream.readNumber();
+            cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, dataSize);
+                addHex(start, end, dataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              code = stream.readNumber();
+              cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+            }
+
+            break;
+
+          case 4:
+            stream.readHex(_char, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapOne(hexToInt(_char, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(_char, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, ucs2DataSize);
+                addHex(_char, tmp, ucs2DataSize);
+              }
+
+              incHex(charCode, dataSize);
+              stream.readHexSigned(tmp, dataSize);
+              addHex(charCode, tmp, dataSize);
+              cMap.mapOne(hexToInt(_char, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          case 5:
+            stream.readHex(start, ucs2DataSize);
+            stream.readHexNumber(end, ucs2DataSize);
+            addHex(end, start, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, ucs2DataSize);
+                addHex(start, end, ucs2DataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, ucs2DataSize);
+              addHex(end, start, ucs2DataSize);
+              stream.readHex(charCode, dataSize);
+              cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          default:
+            reject(new Error("processBinaryCMap: Unknown type: " + type));
+            return;
+        }
+      }
+
+      if (useCMap) {
+        resolve(extend(useCMap));
+        return;
+      }
+
+      resolve(cMap);
+    });
+  }
+
+  function BinaryCMapReader() {}
+
+  BinaryCMapReader.prototype = {
+    process: processBinaryCMap
+  };
+  return BinaryCMapReader;
+}();
+
+var CMapFactory = function CMapFactoryClosure() {
+  function strToInt(str) {
+    var a = 0;
+
+    for (var i = 0; i < str.length; i++) {
+      a = a << 8 | str.charCodeAt(i);
+    }
+
+    return a >>> 0;
+  }
+
+  function expectString(obj) {
+    if (!(0, _util.isString)(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected string.");
+    }
+  }
+
+  function expectInt(obj) {
+    if (!Number.isInteger(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected int.");
+    }
+  }
+
+  function parseBfChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseBfRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (Number.isInteger(obj) || (0, _util.isString)(obj)) {
+        var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;
+        cMap.mapBfRange(low, high, dstLow);
+      } else if ((0, _primitives.isCmd)(obj, "[")) {
+        obj = lexer.getObj();
+        var array = [];
+
+        while (!(0, _primitives.isCmd)(obj, "]") && !(0, _primitives.isEOF)(obj)) {
+          array.push(obj);
+          obj = lexer.getObj();
+        }
+
+        cMap.mapBfRangeToArray(low, high, array);
+      } else {
+        break;
+      }
+    }
+
+    throw new _util.FormatError("Invalid bf range.");
+  }
+
+  function parseCidChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseCidRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dstLow = obj;
+      cMap.mapCidRange(low, high, dstLow);
+    }
+  }
+
+  function parseCodespaceRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcodespacerange")) {
+        return;
+      }
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var high = strToInt(obj);
+      cMap.addCodespaceRange(obj.length, low, high);
+    }
+
+    throw new _util.FormatError("Invalid codespace range.");
+  }
+
+  function parseWMode(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if (Number.isInteger(obj)) {
+      cMap.vertical = !!obj;
+    }
+  }
+
+  function parseCMapName(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if ((0, _primitives.isName)(obj) && (0, _util.isString)(obj.name)) {
+      cMap.name = obj.name;
+    }
+  }
+
+  function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {
+    var previous;
+    var embeddedUseCMap;
+
+    objLoop: while (true) {
+      try {
+        var obj = lexer.getObj();
+
+        if ((0, _primitives.isEOF)(obj)) {
+          break;
+        } else if ((0, _primitives.isName)(obj)) {
+          if (obj.name === "WMode") {
+            parseWMode(cMap, lexer);
+          } else if (obj.name === "CMapName") {
+            parseCMapName(cMap, lexer);
+          }
+
+          previous = obj;
+        } else if ((0, _primitives.isCmd)(obj)) {
+          switch (obj.cmd) {
+            case "endcmap":
+              break objLoop;
+
+            case "usecmap":
+              if ((0, _primitives.isName)(previous)) {
+                embeddedUseCMap = previous.name;
+              }
+
+              break;
+
+            case "begincodespacerange":
+              parseCodespaceRange(cMap, lexer);
+              break;
+
+            case "beginbfchar":
+              parseBfChar(cMap, lexer);
+              break;
+
+            case "begincidchar":
+              parseCidChar(cMap, lexer);
+              break;
+
+            case "beginbfrange":
+              parseBfRange(cMap, lexer);
+              break;
+
+            case "begincidrange":
+              parseCidRange(cMap, lexer);
+              break;
+          }
+        }
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Invalid cMap data: " + ex);
+        continue;
+      }
+    }
+
+    if (!useCMap && embeddedUseCMap) {
+      useCMap = embeddedUseCMap;
+    }
+
+    if (useCMap) {
+      return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+    }
+
+    return Promise.resolve(cMap);
+  }
+
+  function extendCMap(cMap, fetchBuiltInCMap, useCMap) {
+    return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (newCMap) {
+      cMap.useCMap = newCMap;
+
+      if (cMap.numCodespaceRanges === 0) {
+        var useCodespaceRanges = cMap.useCMap.codespaceRanges;
+
+        for (var i = 0; i < useCodespaceRanges.length; i++) {
+          cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();
+        }
+
+        cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;
+      }
+
+      cMap.useCMap.forEach(function (key, value) {
+        if (!cMap.contains(key)) {
+          cMap.mapOne(key, cMap.useCMap.lookup(key));
+        }
+      });
+      return cMap;
+    });
+  }
+
+  function createBuiltInCMap(name, fetchBuiltInCMap) {
+    if (name === "Identity-H") {
+      return Promise.resolve(new IdentityCMap(false, 2));
+    } else if (name === "Identity-V") {
+      return Promise.resolve(new IdentityCMap(true, 2));
+    }
+
+    if (!BUILT_IN_CMAPS.includes(name)) {
+      return Promise.reject(new Error("Unknown CMap name: " + name));
+    }
+
+    if (!fetchBuiltInCMap) {
+      return Promise.reject(new Error("Built-in CMap parameters are not provided."));
+    }
+
+    return fetchBuiltInCMap(name).then(function (data) {
+      var cMapData = data.cMapData,
+          compressionType = data.compressionType;
+      var cMap = new CMap(true);
+
+      if (compressionType === _util.CMapCompressionType.BINARY) {
+        return new BinaryCMapReader().process(cMapData, cMap, function (useCMap) {
+          return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+        });
+      }
+
+      if (compressionType === _util.CMapCompressionType.NONE) {
+        var lexer = new _parser.Lexer(new _stream.Stream(cMapData));
+        return parseCMap(cMap, lexer, fetchBuiltInCMap, null);
+      }
+
+      return Promise.reject(new Error("TODO: Only BINARY/NONE CMap compression is currently supported."));
+    });
+  }
+
+  return {
+    create: function create(params) {
+      return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var encoding, fetchBuiltInCMap, useCMap, cMap, lexer;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                encoding = params.encoding;
+                fetchBuiltInCMap = params.fetchBuiltInCMap;
+                useCMap = params.useCMap;
+
+                if (!(0, _primitives.isName)(encoding)) {
+                  _context.next = 7;
+                  break;
+                }
+
+                return _context.abrupt("return", createBuiltInCMap(encoding.name, fetchBuiltInCMap));
+
+              case 7:
+                if (!(0, _primitives.isStream)(encoding)) {
+                  _context.next = 11;
+                  break;
+                }
+
+                cMap = new CMap();
+                lexer = new _parser.Lexer(encoding);
+                return _context.abrupt("return", parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (parsedCMap) {
+                  if (parsedCMap.isIdentityCMap) {
+                    return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);
+                  }
+
+                  return parsedCMap;
+                }));
+
+              case 11:
+                throw new Error("Encoding required.");
+
+              case 12:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }))();
+    }
+  };
+}();
+
+exports.CMapFactory = CMapFactory;
+
+/***/ }),
+/* 227 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFontType = getFontType;
+exports.IdentityToUnicodeMap = exports.ToUnicodeMap = exports.FontFlags = exports.Font = exports.ErrorFont = exports.SEAC_ANALYSIS_ENABLED = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _cff_parser = __w_pdfjs_require__(228);
+
+var _glyphlist = __w_pdfjs_require__(231);
+
+var _encodings = __w_pdfjs_require__(230);
+
+var _standard_fonts = __w_pdfjs_require__(232);
+
+var _unicode = __w_pdfjs_require__(233);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _font_renderer = __w_pdfjs_require__(234);
+
+var _cmap = __w_pdfjs_require__(226);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _type1_parser = __w_pdfjs_require__(235);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+var PRIVATE_USE_AREAS = [[0xe000, 0xf8ff], [0x100000, 0x10fffd]];
+var PDF_GLYPH_SPACE_UNITS = 1000;
+var SEAC_ANALYSIS_ENABLED = true;
+exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED;
+var EXPORT_DATA_PROPERTIES = ["ascent", "bbox", "black", "bold", "charProcOperatorList", "composite", "data", "defaultVMetrics", "defaultWidth", "descent", "fallbackName", "fontMatrix", "fontType", "isMonospace", "isSerifFont", "isType3Font", "italic", "loadedName", "mimetype", "missingFile", "name", "remeasure", "subtype", "type", "vertical"];
+var EXPORT_DATA_EXTRA_PROPERTIES = ["cMap", "defaultEncoding", "differences", "isSymbolicFont", "seacMap", "toFontChar", "toUnicode", "vmetrics", "widths"];
+var FontFlags = {
+  FixedPitch: 1,
+  Serif: 2,
+  Symbolic: 4,
+  Script: 8,
+  Nonsymbolic: 32,
+  Italic: 64,
+  AllCap: 65536,
+  SmallCap: 131072,
+  ForceBold: 262144
+};
+exports.FontFlags = FontFlags;
+var MacStandardGlyphOrdering = [".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron", "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn", "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron", "dcroat"];
+
+function adjustWidths(properties) {
+  if (!properties.fontMatrix) {
+    return;
+  }
+
+  if (properties.fontMatrix[0] === _util.FONT_IDENTITY_MATRIX[0]) {
+    return;
+  }
+
+  var scale = 0.001 / properties.fontMatrix[0];
+  var glyphsWidths = properties.widths;
+
+  for (var glyph in glyphsWidths) {
+    glyphsWidths[glyph] *= scale;
+  }
+
+  properties.defaultWidth *= scale;
+}
+
+function adjustToUnicode(properties, builtInEncoding) {
+  if (properties.hasIncludedToUnicodeMap) {
+    return;
+  }
+
+  if (properties.hasEncoding) {
+    return;
+  }
+
+  if (builtInEncoding === properties.defaultEncoding) {
+    return;
+  }
+
+  if (properties.toUnicode instanceof IdentityToUnicodeMap) {
+    return;
+  }
+
+  var toUnicode = [],
+      glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+  for (var charCode in builtInEncoding) {
+    var glyphName = builtInEncoding[charCode];
+    var unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+    if (unicode !== -1) {
+      toUnicode[charCode] = String.fromCharCode(unicode);
+    }
+  }
+
+  properties.toUnicode.amend(toUnicode);
+}
+
+function getFontType(type, subtype) {
+  switch (type) {
+    case "Type1":
+      return subtype === "Type1C" ? _util.FontType.TYPE1C : _util.FontType.TYPE1;
+
+    case "CIDFontType0":
+      return subtype === "CIDFontType0C" ? _util.FontType.CIDFONTTYPE0C : _util.FontType.CIDFONTTYPE0;
+
+    case "OpenType":
+      return _util.FontType.OPENTYPE;
+
+    case "TrueType":
+      return _util.FontType.TRUETYPE;
+
+    case "CIDFontType2":
+      return _util.FontType.CIDFONTTYPE2;
+
+    case "MMType1":
+      return _util.FontType.MMTYPE1;
+
+    case "Type0":
+      return _util.FontType.TYPE0;
+
+    default:
+      return _util.FontType.UNKNOWN;
+  }
+}
+
+function recoverGlyphName(name, glyphsUnicodeMap) {
+  if (glyphsUnicodeMap[name] !== undefined) {
+    return name;
+  }
+
+  var unicode = (0, _unicode.getUnicodeForGlyph)(name, glyphsUnicodeMap);
+
+  if (unicode !== -1) {
+    for (var key in glyphsUnicodeMap) {
+      if (glyphsUnicodeMap[key] === unicode) {
+        return key;
+      }
+    }
+  }
+
+  (0, _util.info)("Unable to recover a standard glyph name for: " + name);
+  return name;
+}
+
+var Glyph = function GlyphClosure() {
+  function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    this.fontChar = fontChar;
+    this.unicode = unicode;
+    this.accent = accent;
+    this.width = width;
+    this.vmetric = vmetric;
+    this.operatorListId = operatorListId;
+    this.isSpace = isSpace;
+    this.isInFont = isInFont;
+  }
+
+  Glyph.prototype.matchesForCache = function (fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    return this.fontChar === fontChar && this.unicode === unicode && this.accent === accent && this.width === width && this.vmetric === vmetric && this.operatorListId === operatorListId && this.isSpace === isSpace && this.isInFont === isInFont;
+  };
+
+  return Glyph;
+}();
+
+var ToUnicodeMap = function ToUnicodeMapClosure() {
+  function ToUnicodeMap() {
+    var cmap = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    this._map = cmap;
+  }
+
+  ToUnicodeMap.prototype = {
+    get length() {
+      return this._map.length;
+    },
+
+    forEach: function forEach(callback) {
+      for (var charCode in this._map) {
+        callback(charCode, this._map[charCode].charCodeAt(0));
+      }
+    },
+    has: function has(i) {
+      return this._map[i] !== undefined;
+    },
+    get: function get(i) {
+      return this._map[i];
+    },
+    charCodeOf: function charCodeOf(value) {
+      var map = this._map;
+
+      if (map.length <= 0x10000) {
+        return map.indexOf(value);
+      }
+
+      for (var charCode in map) {
+        if (map[charCode] === value) {
+          return charCode | 0;
+        }
+      }
+
+      return -1;
+    },
+    amend: function amend(map) {
+      for (var charCode in map) {
+        this._map[charCode] = map[charCode];
+      }
+    }
+  };
+  return ToUnicodeMap;
+}();
+
+exports.ToUnicodeMap = ToUnicodeMap;
+
+var IdentityToUnicodeMap = function IdentityToUnicodeMapClosure() {
+  function IdentityToUnicodeMap(firstChar, lastChar) {
+    this.firstChar = firstChar;
+    this.lastChar = lastChar;
+  }
+
+  IdentityToUnicodeMap.prototype = {
+    get length() {
+      return this.lastChar + 1 - this.firstChar;
+    },
+
+    forEach: function forEach(callback) {
+      for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {
+        callback(i, i);
+      }
+    },
+    has: function has(i) {
+      return this.firstChar <= i && i <= this.lastChar;
+    },
+    get: function get(i) {
+      if (this.firstChar <= i && i <= this.lastChar) {
+        return String.fromCharCode(i);
+      }
+
+      return undefined;
+    },
+    charCodeOf: function charCodeOf(v) {
+      return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar ? v : -1;
+    },
+    amend: function amend(map) {
+      (0, _util.unreachable)("Should not call amend()");
+    }
+  };
+  return IdentityToUnicodeMap;
+}();
+
+exports.IdentityToUnicodeMap = IdentityToUnicodeMap;
+
+var OpenTypeFileBuilder = function OpenTypeFileBuilderClosure() {
+  function writeInt16(dest, offset, num) {
+    dest[offset] = num >> 8 & 0xff;
+    dest[offset + 1] = num & 0xff;
+  }
+
+  function writeInt32(dest, offset, num) {
+    dest[offset] = num >> 24 & 0xff;
+    dest[offset + 1] = num >> 16 & 0xff;
+    dest[offset + 2] = num >> 8 & 0xff;
+    dest[offset + 3] = num & 0xff;
+  }
+
+  function writeData(dest, offset, data) {
+    var i, ii;
+
+    if (data instanceof Uint8Array) {
+      dest.set(data, offset);
+    } else if (typeof data === "string") {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data.charCodeAt(i) & 0xff;
+      }
+    } else {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data[i] & 0xff;
+      }
+    }
+  }
+
+  function OpenTypeFileBuilder(sfnt) {
+    this.sfnt = sfnt;
+    this.tables = Object.create(null);
+  }
+
+  OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) {
+    var maxPower2 = 1,
+        log2 = 0;
+
+    while ((maxPower2 ^ entriesCount) > maxPower2) {
+      maxPower2 <<= 1;
+      log2++;
+    }
+
+    var searchRange = maxPower2 * entrySize;
+    return {
+      range: searchRange,
+      entry: log2,
+      rangeShift: entrySize * entriesCount - searchRange
+    };
+  };
+
+  var OTF_HEADER_SIZE = 12;
+  var OTF_TABLE_ENTRY_SIZE = 16;
+  OpenTypeFileBuilder.prototype = {
+    toArray: function OpenTypeFileBuilder_toArray() {
+      var sfnt = this.sfnt;
+      var tables = this.tables;
+      var tablesNames = Object.keys(tables);
+      tablesNames.sort();
+      var numTables = tablesNames.length;
+      var i, j, jj, table, tableName;
+      var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;
+      var tableOffsets = [offset];
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        var paddedLength = (table.length + 3 & ~3) >>> 0;
+        offset += paddedLength;
+        tableOffsets.push(offset);
+      }
+
+      var file = new Uint8Array(offset);
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        writeData(file, tableOffsets[i], table);
+      }
+
+      if (sfnt === "true") {
+        sfnt = (0, _util.string32)(0x00010000);
+      }
+
+      file[0] = sfnt.charCodeAt(0) & 0xff;
+      file[1] = sfnt.charCodeAt(1) & 0xff;
+      file[2] = sfnt.charCodeAt(2) & 0xff;
+      file[3] = sfnt.charCodeAt(3) & 0xff;
+      writeInt16(file, 4, numTables);
+      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);
+      writeInt16(file, 6, searchParams.range);
+      writeInt16(file, 8, searchParams.entry);
+      writeInt16(file, 10, searchParams.rangeShift);
+      offset = OTF_HEADER_SIZE;
+
+      for (i = 0; i < numTables; i++) {
+        tableName = tablesNames[i];
+        file[offset] = tableName.charCodeAt(0) & 0xff;
+        file[offset + 1] = tableName.charCodeAt(1) & 0xff;
+        file[offset + 2] = tableName.charCodeAt(2) & 0xff;
+        file[offset + 3] = tableName.charCodeAt(3) & 0xff;
+        var checksum = 0;
+
+        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {
+          var quad = (0, _core_utils.readUint32)(file, j);
+          checksum = checksum + quad >>> 0;
+        }
+
+        writeInt32(file, offset + 4, checksum);
+        writeInt32(file, offset + 8, tableOffsets[i]);
+        writeInt32(file, offset + 12, tables[tableName].length);
+        offset += OTF_TABLE_ENTRY_SIZE;
+      }
+
+      return file;
+    },
+    addTable: function OpenTypeFileBuilder_addTable(tag, data) {
+      if (tag in this.tables) {
+        throw new Error("Table " + tag + " already exists");
+      }
+
+      this.tables[tag] = data;
+    }
+  };
+  return OpenTypeFileBuilder;
+}();
+
+var Font = function FontClosure() {
+  function Font(name, file, properties) {
+    var charCode;
+    this.name = name;
+    this.loadedName = properties.loadedName;
+    this.isType3Font = properties.isType3Font;
+    this.missingFile = false;
+    this.glyphCache = Object.create(null);
+    this.isSerifFont = !!(properties.flags & FontFlags.Serif);
+    this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+    this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);
+    var type = properties.type;
+    var subtype = properties.subtype;
+    this.type = type;
+    this.subtype = subtype;
+    var fallbackName = "sans-serif";
+
+    if (this.isMonospace) {
+      fallbackName = "monospace";
+    } else if (this.isSerifFont) {
+      fallbackName = "serif";
+    }
+
+    this.fallbackName = fallbackName;
+    this.differences = properties.differences;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.composite = properties.composite;
+    this.cMap = properties.cMap;
+    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;
+    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;
+    this.fontMatrix = properties.fontMatrix;
+    this.bbox = properties.bbox;
+    this.defaultEncoding = properties.defaultEncoding;
+    this.toUnicode = properties.toUnicode;
+    this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();
+    this.toFontChar = [];
+
+    if (properties.type === "Type3") {
+      for (charCode = 0; charCode < 256; charCode++) {
+        this.toFontChar[charCode] = this.differences[charCode] || properties.defaultEncoding[charCode];
+      }
+
+      this.fontType = _util.FontType.TYPE3;
+      return;
+    }
+
+    this.cidEncoding = properties.cidEncoding;
+    this.vertical = !!properties.vertical;
+
+    if (this.vertical) {
+      this.vmetrics = properties.vmetrics;
+      this.defaultVMetrics = properties.defaultVMetrics;
+    }
+
+    if (!file || file.isEmpty) {
+      if (file) {
+        (0, _util.warn)('Font file is empty in "' + name + '" (' + this.loadedName + ")");
+      }
+
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    var _getFontFileType = getFontFileType(file, properties);
+
+    var _getFontFileType2 = _slicedToArray(_getFontFileType, 2);
+
+    type = _getFontFileType2[0];
+    subtype = _getFontFileType2[1];
+
+    if (type !== this.type || subtype !== this.subtype) {
+      (0, _util.info)("Inconsistent font file Type/SubType, expected: " + "".concat(this.type, "/").concat(this.subtype, " but found: ").concat(type, "/").concat(subtype, "."));
+    }
+
+    try {
+      var data;
+
+      switch (type) {
+        case "MMType1":
+          (0, _util.info)("MMType1 font (" + name + "), falling back to Type1.");
+
+        case "Type1":
+        case "CIDFontType0":
+          this.mimetype = "font/opentype";
+          var cff = subtype === "Type1C" || subtype === "CIDFontType0C" ? new CFFFont(file, properties) : new Type1Font(name, file, properties);
+          adjustWidths(properties);
+          data = this.convert(name, cff, properties);
+          break;
+
+        case "OpenType":
+        case "TrueType":
+        case "CIDFontType2":
+          this.mimetype = "font/opentype";
+          data = this.checkAndRepair(name, file, properties);
+
+          if (this.isOpenType) {
+            adjustWidths(properties);
+            type = "OpenType";
+          }
+
+          break;
+
+        default:
+          throw new _util.FormatError("Font ".concat(type, " is not supported"));
+      }
+    } catch (e) {
+      (0, _util.warn)(e);
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    this.data = data;
+    this.fontType = getFontType(type, subtype);
+    this.fontMatrix = properties.fontMatrix;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.toUnicode = properties.toUnicode;
+    this.seacMap = properties.seacMap;
+  }
+
+  function int16(b0, b1) {
+    return (b0 << 8) + b1;
+  }
+
+  function writeSignedInt16(bytes, index, value) {
+    bytes[index + 1] = value;
+    bytes[index] = value >>> 8;
+  }
+
+  function signedInt16(b0, b1) {
+    var value = (b0 << 8) + b1;
+    return value & 1 << 15 ? value - 0x10000 : value;
+  }
+
+  function int32(b0, b1, b2, b3) {
+    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+  }
+
+  function string16(value) {
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function safeString16(value) {
+    if (value > 0x7fff) {
+      value = 0x7fff;
+    } else if (value < -0x8000) {
+      value = -0x8000;
+    }
+
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function isTrueTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _core_utils.readUint32)(header, 0) === 0x00010000 || (0, _util.bytesToString)(header) === "true";
+  }
+
+  function isTrueTypeCollectionFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "ttcf";
+  }
+
+  function isOpenTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "OTTO";
+  }
+
+  function isType1File(file) {
+    var header = file.peekBytes(2);
+
+    if (header[0] === 0x25 && header[1] === 0x21) {
+      return true;
+    }
+
+    if (header[0] === 0x80 && header[1] === 0x01) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function isCFFFile(file) {
+    var header = file.peekBytes(4);
+
+    if (header[0] >= 1 && header[3] >= 1 && header[3] <= 4) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function getFontFileType(file, _ref) {
+    var type = _ref.type,
+        subtype = _ref.subtype,
+        composite = _ref.composite;
+    var fileType, fileSubtype;
+
+    if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "TrueType";
+      }
+    } else if (isOpenTypeFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "OpenType";
+      }
+    } else if (isType1File(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+      }
+    } else if (isCFFFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+        fileSubtype = "CIDFontType0C";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+        fileSubtype = "Type1C";
+      }
+    } else {
+      (0, _util.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");
+      fileType = type;
+      fileSubtype = subtype;
+    }
+
+    return [fileType, fileSubtype];
+  }
+
+  function buildToFontChar(encoding, glyphsUnicodeMap, differences) {
+    var toFontChar = [],
+        unicode;
+
+    for (var i = 0, ii = encoding.length; i < ii; i++) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(encoding[i], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[i] = unicode;
+      }
+    }
+
+    for (var charCode in differences) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(differences[charCode], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[+charCode] = unicode;
+      }
+    }
+
+    return toFontChar;
+  }
+
+  function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {
+    var newMap = Object.create(null);
+    var toFontChar = [];
+    var privateUseAreaIndex = 0;
+    var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+    var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+
+    for (var originalCharCode in charCodeToGlyphId) {
+      originalCharCode |= 0;
+      var glyphId = charCodeToGlyphId[originalCharCode];
+
+      if (!hasGlyph(glyphId)) {
+        continue;
+      }
+
+      if (nextAvailableFontCharCode > privateUseOffetEnd) {
+        privateUseAreaIndex++;
+
+        if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {
+          (0, _util.warn)("Ran out of space in font private use area.");
+          break;
+        }
+
+        nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+        privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+      }
+
+      var fontCharCode = nextAvailableFontCharCode++;
+
+      if (glyphId === 0) {
+        glyphId = newGlyphZeroId;
+      }
+
+      newMap[fontCharCode] = glyphId;
+      toFontChar[originalCharCode] = fontCharCode;
+    }
+
+    return {
+      toFontChar: toFontChar,
+      charCodeToGlyphId: newMap,
+      nextAvailableFontCharCode: nextAvailableFontCharCode
+    };
+  }
+
+  function getRanges(glyphs, numGlyphs) {
+    var codes = [];
+
+    for (var charCode in glyphs) {
+      if (glyphs[charCode] >= numGlyphs) {
+        continue;
+      }
+
+      codes.push({
+        fontCharCode: charCode | 0,
+        glyphId: glyphs[charCode]
+      });
+    }
+
+    if (codes.length === 0) {
+      codes.push({
+        fontCharCode: 0,
+        glyphId: 0
+      });
+    }
+
+    codes.sort(function fontGetRangesSort(a, b) {
+      return a.fontCharCode - b.fontCharCode;
+    });
+    var ranges = [];
+    var length = codes.length;
+
+    for (var n = 0; n < length;) {
+      var start = codes[n].fontCharCode;
+      var codeIndices = [codes[n].glyphId];
+      ++n;
+      var end = start;
+
+      while (n < length && end + 1 === codes[n].fontCharCode) {
+        codeIndices.push(codes[n].glyphId);
+        ++end;
+        ++n;
+
+        if (end === 0xffff) {
+          break;
+        }
+      }
+
+      ranges.push([start, end, codeIndices]);
+    }
+
+    return ranges;
+  }
+
+  function createCmapTable(glyphs, numGlyphs) {
+    var ranges = getRanges(glyphs, numGlyphs);
+    var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;
+    var cmap = "\x00\x00" + string16(numTables) + "\x00\x03" + "\x00\x01" + (0, _util.string32)(4 + numTables * 8);
+    var i, ii, j, jj;
+
+    for (i = ranges.length - 1; i >= 0; --i) {
+      if (ranges[i][0] <= 0xffff) {
+        break;
+      }
+    }
+
+    var bmpLength = i + 1;
+
+    if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {
+      ranges[i][1] = 0xfffe;
+    }
+
+    var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;
+    var segCount = bmpLength + trailingRangesCount;
+    var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);
+    var startCount = "";
+    var endCount = "";
+    var idDeltas = "";
+    var idRangeOffsets = "";
+    var glyphsIds = "";
+    var bias = 0;
+    var range, start, end, codes;
+
+    for (i = 0, ii = bmpLength; i < ii; i++) {
+      range = ranges[i];
+      start = range[0];
+      end = range[1];
+      startCount += string16(start);
+      endCount += string16(end);
+      codes = range[2];
+      var contiguous = true;
+
+      for (j = 1, jj = codes.length; j < jj; ++j) {
+        if (codes[j] !== codes[j - 1] + 1) {
+          contiguous = false;
+          break;
+        }
+      }
+
+      if (!contiguous) {
+        var offset = (segCount - i) * 2 + bias * 2;
+        bias += end - start + 1;
+        idDeltas += string16(0);
+        idRangeOffsets += string16(offset);
+
+        for (j = 0, jj = codes.length; j < jj; ++j) {
+          glyphsIds += string16(codes[j]);
+        }
+      } else {
+        var startCode = codes[0];
+        idDeltas += string16(startCode - start & 0xffff);
+        idRangeOffsets += string16(0);
+      }
+    }
+
+    if (trailingRangesCount > 0) {
+      endCount += "\xFF\xFF";
+      startCount += "\xFF\xFF";
+      idDeltas += "\x00\x01";
+      idRangeOffsets += "\x00\x00";
+    }
+
+    var format314 = "\x00\x00" + string16(2 * segCount) + string16(searchParams.range) + string16(searchParams.entry) + string16(searchParams.rangeShift) + endCount + "\x00\x00" + startCount + idDeltas + idRangeOffsets + glyphsIds;
+    var format31012 = "";
+    var header31012 = "";
+
+    if (numTables > 1) {
+      cmap += "\x00\x03" + "\x00\x0A" + (0, _util.string32)(4 + numTables * 8 + 4 + format314.length);
+      format31012 = "";
+
+      for (i = 0, ii = ranges.length; i < ii; i++) {
+        range = ranges[i];
+        start = range[0];
+        codes = range[2];
+        var code = codes[0];
+
+        for (j = 1, jj = codes.length; j < jj; ++j) {
+          if (codes[j] !== codes[j - 1] + 1) {
+            end = range[0] + j - 1;
+            format31012 += (0, _util.string32)(start) + (0, _util.string32)(end) + (0, _util.string32)(code);
+            start = end + 1;
+            code = codes[j];
+          }
+        }
+
+        format31012 += (0, _util.string32)(start) + (0, _util.string32)(range[1]) + (0, _util.string32)(code);
+      }
+
+      header31012 = "\x00\x0C" + "\x00\x00" + (0, _util.string32)(format31012.length + 16) + "\x00\x00\x00\x00" + (0, _util.string32)(format31012.length / 12);
+    }
+
+    return cmap + "\x00\x04" + string16(format314.length + 4) + format314 + header31012 + format31012;
+  }
+
+  function validateOS2Table(os2, file) {
+    file.pos = (file.start || 0) + os2.offset;
+    var version = file.getUint16();
+    file.skip(60);
+    var selection = file.getUint16();
+
+    if (version < 4 && selection & 0x0300) {
+      return false;
+    }
+
+    var firstChar = file.getUint16();
+    var lastChar = file.getUint16();
+
+    if (firstChar > lastChar) {
+      return false;
+    }
+
+    file.skip(6);
+    var usWinAscent = file.getUint16();
+
+    if (usWinAscent === 0) {
+      return false;
+    }
+
+    os2.data[8] = os2.data[9] = 0;
+    return true;
+  }
+
+  function createOS2Table(properties, charstrings, override) {
+    override = override || {
+      unitsPerEm: 0,
+      yMax: 0,
+      yMin: 0,
+      ascent: 0,
+      descent: 0
+    };
+    var ulUnicodeRange1 = 0;
+    var ulUnicodeRange2 = 0;
+    var ulUnicodeRange3 = 0;
+    var ulUnicodeRange4 = 0;
+    var firstCharIndex = null;
+    var lastCharIndex = 0;
+
+    if (charstrings) {
+      for (var code in charstrings) {
+        code |= 0;
+
+        if (firstCharIndex > code || !firstCharIndex) {
+          firstCharIndex = code;
+        }
+
+        if (lastCharIndex < code) {
+          lastCharIndex = code;
+        }
+
+        var position = (0, _unicode.getUnicodeRangeFor)(code);
+
+        if (position < 32) {
+          ulUnicodeRange1 |= 1 << position;
+        } else if (position < 64) {
+          ulUnicodeRange2 |= 1 << position - 32;
+        } else if (position < 96) {
+          ulUnicodeRange3 |= 1 << position - 64;
+        } else if (position < 123) {
+          ulUnicodeRange4 |= 1 << position - 96;
+        } else {
+          throw new _util.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");
+        }
+      }
+
+      if (lastCharIndex > 0xffff) {
+        lastCharIndex = 0xffff;
+      }
+    } else {
+      firstCharIndex = 0;
+      lastCharIndex = 255;
+    }
+
+    var bbox = properties.bbox || [0, 0, 0, 0];
+    var unitsPerEm = override.unitsPerEm || 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+    var scale = properties.ascentScaled ? 1.0 : unitsPerEm / PDF_GLYPH_SPACE_UNITS;
+    var typoAscent = override.ascent || Math.round(scale * (properties.ascent || bbox[3]));
+    var typoDescent = override.descent || Math.round(scale * (properties.descent || bbox[1]));
+
+    if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {
+      typoDescent = -typoDescent;
+    }
+
+    var winAscent = override.yMax || typoAscent;
+    var winDescent = -override.yMin || -typoDescent;
+    return "\x00\x03" + "\x02\x24" + "\x01\xF4" + "\x00\x05" + "\x00\x00" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x00\x8C" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x01\xDF" + "\x00\x31" + "\x01\x02" + "\x00\x00" + "\x00\x00\x06" + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + "\x00\x00\x00\x00\x00\x00" + (0, _util.string32)(ulUnicodeRange1) + (0, _util.string32)(ulUnicodeRange2) + (0, _util.string32)(ulUnicodeRange3) + (0, _util.string32)(ulUnicodeRange4) + "\x2A\x32\x31\x2A" + string16(properties.italicAngle ? 1 : 0) + string16(firstCharIndex || properties.firstChar) + string16(lastCharIndex || properties.lastChar) + string16(typoAscent) + string16(typoDescent) + "\x00\x64" + string16(winAscent) + string16(winDescent) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + string16(properties.xHeight) + string16(properties.capHeight) + string16(0) + string16(firstCharIndex || properties.firstChar) + "\x00\x03";
+  }
+
+  function createPostTable(properties) {
+    var angle = Math.floor(properties.italicAngle * Math.pow(2, 16));
+    return "\x00\x03\x00\x00" + (0, _util.string32)(angle) + "\x00\x00" + "\x00\x00" + (0, _util.string32)(properties.fixedPitch) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00";
+  }
+
+  function createNameTable(name, proto) {
+    if (!proto) {
+      proto = [[], []];
+    }
+
+    var strings = [proto[0][0] || "Original licence", proto[0][1] || name, proto[0][2] || "Unknown", proto[0][3] || "uniqueID", proto[0][4] || name, proto[0][5] || "Version 0.11", proto[0][6] || "", proto[0][7] || "Unknown", proto[0][8] || "Unknown", proto[0][9] || "Unknown"];
+    var stringsUnicode = [];
+    var i, ii, j, jj, str;
+
+    for (i = 0, ii = strings.length; i < ii; i++) {
+      str = proto[1][i] || strings[i];
+      var strBufUnicode = [];
+
+      for (j = 0, jj = str.length; j < jj; j++) {
+        strBufUnicode.push(string16(str.charCodeAt(j)));
+      }
+
+      stringsUnicode.push(strBufUnicode.join(""));
+    }
+
+    var names = [strings, stringsUnicode];
+    var platforms = ["\x00\x01", "\x00\x03"];
+    var encodings = ["\x00\x00", "\x00\x01"];
+    var languages = ["\x00\x00", "\x04\x09"];
+    var namesRecordCount = strings.length * platforms.length;
+    var nameTable = "\x00\x00" + string16(namesRecordCount) + string16(namesRecordCount * 12 + 6);
+    var strOffset = 0;
+
+    for (i = 0, ii = platforms.length; i < ii; i++) {
+      var strs = names[i];
+
+      for (j = 0, jj = strs.length; j < jj; j++) {
+        str = strs[j];
+        var nameRecord = platforms[i] + encodings[i] + languages[i] + string16(j) + string16(str.length) + string16(strOffset);
+        nameTable += nameRecord;
+        strOffset += str.length;
+      }
+    }
+
+    nameTable += strings.join("") + stringsUnicode.join("");
+    return nameTable;
+  }
+
+  Font.prototype = {
+    name: null,
+    font: null,
+    mimetype: null,
+    disableFontFace: false,
+
+    get renderer() {
+      var renderer = _font_renderer.FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);
+
+      return (0, _util.shadow)(this, "renderer", renderer);
+    },
+
+    exportData: function exportData() {
+      var extraProperties = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var exportDataProperties = extraProperties ? [].concat(EXPORT_DATA_PROPERTIES, EXPORT_DATA_EXTRA_PROPERTIES) : EXPORT_DATA_PROPERTIES;
+      var data = Object.create(null);
+      var property, value;
+
+      var _iterator = _createForOfIteratorHelper(exportDataProperties),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          property = _step.value;
+          value = this[property];
+
+          if (value !== undefined) {
+            data[property] = value;
+          }
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      return data;
+    },
+    fallbackToSystemFont: function Font_fallbackToSystemFont() {
+      var _this = this;
+
+      this.missingFile = true;
+      var name = this.name;
+      var type = this.type;
+      var subtype = this.subtype;
+      var fontName = name.replace(/[,_]/g, "-").replace(/\s/g, "");
+      var stdFontMap = (0, _standard_fonts.getStdFontMap)(),
+          nonStdFontMap = (0, _standard_fonts.getNonStdFontMap)();
+      var isStandardFont = !!stdFontMap[fontName] || !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);
+      fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;
+      this.bold = fontName.search(/bold/gi) !== -1;
+      this.italic = fontName.search(/oblique/gi) !== -1 || fontName.search(/italic/gi) !== -1;
+      this.black = name.search(/Black/g) !== -1;
+      this.remeasure = Object.keys(this.widths).length > 0;
+
+      if (isStandardFont && type === "CIDFontType2" && this.cidEncoding.startsWith("Identity-")) {
+        var GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+        var map = [];
+
+        for (var charCode in GlyphMapForStandardFonts) {
+          map[+charCode] = GlyphMapForStandardFonts[charCode];
+        }
+
+        if (/Arial-?Black/i.test(name)) {
+          var SupplementalGlyphMapForArialBlack = (0, _standard_fonts.getSupplementalGlyphMapForArialBlack)();
+
+          for (var _charCode in SupplementalGlyphMapForArialBlack) {
+            map[+_charCode] = SupplementalGlyphMapForArialBlack[_charCode];
+          }
+        } else if (/Calibri/i.test(name)) {
+          var SupplementalGlyphMapForCalibri = (0, _standard_fonts.getSupplementalGlyphMapForCalibri)();
+
+          for (var _charCode2 in SupplementalGlyphMapForCalibri) {
+            map[+_charCode2] = SupplementalGlyphMapForCalibri[_charCode2];
+          }
+        }
+
+        var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;
+
+        if (!isIdentityUnicode) {
+          this.toUnicode.forEach(function (charCode, unicodeCharCode) {
+            map[+charCode] = unicodeCharCode;
+          });
+        }
+
+        this.toFontChar = map;
+        this.toUnicode = new ToUnicodeMap(map);
+      } else if (/Symbol/i.test(fontName)) {
+        this.toFontChar = buildToFontChar(_encodings.SymbolSetEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else if (/Dingbats/i.test(fontName)) {
+        if (/Wingdings/i.test(name)) {
+          (0, _util.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");
+        }
+
+        this.toFontChar = buildToFontChar(_encodings.ZapfDingbatsEncoding, (0, _glyphlist.getDingbatsGlyphsUnicode)(), this.differences);
+      } else if (isStandardFont) {
+        this.toFontChar = buildToFontChar(this.defaultEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else {
+        var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        var _map = [];
+        this.toUnicode.forEach(function (charCode, unicodeCharCode) {
+          if (!_this.composite) {
+            var glyphName = _this.differences[charCode] || _this.defaultEncoding[charCode];
+            var unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+            if (unicode !== -1) {
+              unicodeCharCode = unicode;
+            }
+          }
+
+          _map[+charCode] = unicodeCharCode;
+        });
+
+        if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {
+          if (/Verdana/i.test(name)) {
+            var _GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+
+            for (var _charCode3 in _GlyphMapForStandardFonts) {
+              _map[+_charCode3] = _GlyphMapForStandardFonts[_charCode3];
+            }
+          }
+        }
+
+        this.toFontChar = _map;
+      }
+
+      this.loadedName = fontName.split("-")[0];
+      this.fontType = getFontType(type, subtype);
+    },
+    checkAndRepair: function Font_checkAndRepair(name, font, properties) {
+      var VALID_TABLES = ["OS/2", "cmap", "head", "hhea", "hmtx", "maxp", "name", "post", "loca", "glyf", "fpgm", "prep", "cvt ", "CFF "];
+
+      function readTables(file, numTables) {
+        var tables = Object.create(null);
+        tables["OS/2"] = null;
+        tables.cmap = null;
+        tables.head = null;
+        tables.hhea = null;
+        tables.hmtx = null;
+        tables.maxp = null;
+        tables.name = null;
+        tables.post = null;
+
+        for (var i = 0; i < numTables; i++) {
+          var table = readTableEntry(file);
+
+          if (!VALID_TABLES.includes(table.tag)) {
+            continue;
+          }
+
+          if (table.length === 0) {
+            continue;
+          }
+
+          tables[table.tag] = table;
+        }
+
+        return tables;
+      }
+
+      function readTableEntry(file) {
+        var tag = (0, _util.bytesToString)(file.getBytes(4));
+        var checksum = file.getInt32() >>> 0;
+        var offset = file.getInt32() >>> 0;
+        var length = file.getInt32() >>> 0;
+        var previousPosition = file.pos;
+        file.pos = file.start ? file.start : 0;
+        file.skip(offset);
+        var data = file.getBytes(length);
+        file.pos = previousPosition;
+
+        if (tag === "head") {
+          data[8] = data[9] = data[10] = data[11] = 0;
+          data[17] |= 0x20;
+        }
+
+        return {
+          tag: tag,
+          checksum: checksum,
+          length: length,
+          offset: offset,
+          data: data
+        };
+      }
+
+      function readOpenTypeHeader(ttf) {
+        return {
+          version: (0, _util.bytesToString)(ttf.getBytes(4)),
+          numTables: ttf.getUint16(),
+          searchRange: ttf.getUint16(),
+          entrySelector: ttf.getUint16(),
+          rangeShift: ttf.getUint16()
+        };
+      }
+
+      function readTrueTypeCollectionHeader(ttc) {
+        var ttcTag = (0, _util.bytesToString)(ttc.getBytes(4));
+        (0, _util.assert)(ttcTag === "ttcf", "Must be a TrueType Collection font.");
+        var majorVersion = ttc.getUint16();
+        var minorVersion = ttc.getUint16();
+        var numFonts = ttc.getInt32() >>> 0;
+        var offsetTable = [];
+
+        for (var i = 0; i < numFonts; i++) {
+          offsetTable.push(ttc.getInt32() >>> 0);
+        }
+
+        var header = {
+          ttcTag: ttcTag,
+          majorVersion: majorVersion,
+          minorVersion: minorVersion,
+          numFonts: numFonts,
+          offsetTable: offsetTable
+        };
+
+        switch (majorVersion) {
+          case 1:
+            return header;
+
+          case 2:
+            header.dsigTag = ttc.getInt32() >>> 0;
+            header.dsigLength = ttc.getInt32() >>> 0;
+            header.dsigOffset = ttc.getInt32() >>> 0;
+            return header;
+        }
+
+        throw new _util.FormatError("Invalid TrueType Collection majorVersion: ".concat(majorVersion, "."));
+      }
+
+      function readTrueTypeCollectionData(ttc, fontName) {
+        var _readTrueTypeCollecti = readTrueTypeCollectionHeader(ttc),
+            numFonts = _readTrueTypeCollecti.numFonts,
+            offsetTable = _readTrueTypeCollecti.offsetTable;
+
+        for (var i = 0; i < numFonts; i++) {
+          ttc.pos = (ttc.start || 0) + offsetTable[i];
+          var potentialHeader = readOpenTypeHeader(ttc);
+          var potentialTables = readTables(ttc, potentialHeader.numTables);
+
+          if (!potentialTables.name) {
+            throw new _util.FormatError('TrueType Collection font must contain a "name" table.');
+          }
+
+          var nameTable = readNameTable(potentialTables.name);
+
+          for (var j = 0, jj = nameTable.length; j < jj; j++) {
+            for (var k = 0, kk = nameTable[j].length; k < kk; k++) {
+              var nameEntry = nameTable[j][k];
+
+              if (nameEntry && nameEntry.replace(/\s/g, "") === fontName) {
+                return {
+                  header: potentialHeader,
+                  tables: potentialTables
+                };
+              }
+            }
+          }
+        }
+
+        throw new _util.FormatError("TrueType Collection does not contain \"".concat(fontName, "\" font."));
+      }
+
+      function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {
+        if (!cmap) {
+          (0, _util.warn)("No cmap table available.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var segment;
+        var start = (file.start ? file.start : 0) + cmap.offset;
+        file.pos = start;
+        file.skip(2);
+        var numTables = file.getUint16();
+        var potentialTable;
+        var canBreak = false;
+
+        for (var i = 0; i < numTables; i++) {
+          var platformId = file.getUint16();
+          var encodingId = file.getUint16();
+          var offset = file.getInt32() >>> 0;
+          var useTable = false;
+
+          if (potentialTable && potentialTable.platformId === platformId && potentialTable.encodingId === encodingId) {
+            continue;
+          }
+
+          if (platformId === 0 && (encodingId === 0 || encodingId === 1 || encodingId === 3)) {
+            useTable = true;
+          } else if (platformId === 1 && encodingId === 0) {
+            useTable = true;
+          } else if (platformId === 3 && encodingId === 1 && (hasEncoding || !potentialTable)) {
+            useTable = true;
+
+            if (!isSymbolicFont) {
+              canBreak = true;
+            }
+          } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
+            useTable = true;
+            canBreak = true;
+          }
+
+          if (useTable) {
+            potentialTable = {
+              platformId: platformId,
+              encodingId: encodingId,
+              offset: offset
+            };
+          }
+
+          if (canBreak) {
+            break;
+          }
+        }
+
+        if (potentialTable) {
+          file.pos = start + potentialTable.offset;
+        }
+
+        if (!potentialTable || file.peekByte() === -1) {
+          (0, _util.warn)("Could not find a preferred cmap table.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var format = file.getUint16();
+        file.skip(2 + 2);
+        var hasShortCmap = false;
+        var mappings = [];
+        var j, glyphId;
+
+        if (format === 0) {
+          for (j = 0; j < 256; j++) {
+            var index = file.getByte();
+
+            if (!index) {
+              continue;
+            }
+
+            mappings.push({
+              charCode: j,
+              glyphId: index
+            });
+          }
+
+          hasShortCmap = true;
+        } else if (format === 4) {
+          var segCount = file.getUint16() >> 1;
+          file.skip(6);
+          var segIndex,
+              segments = [];
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments.push({
+              end: file.getUint16()
+            });
+          }
+
+          file.skip(2);
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].start = file.getUint16();
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].delta = file.getUint16();
+          }
+
+          var offsetsCount = 0;
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            var rangeOffset = file.getUint16();
+
+            if (!rangeOffset) {
+              segment.offsetIndex = -1;
+              continue;
+            }
+
+            var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);
+            segment.offsetIndex = offsetIndex;
+            offsetsCount = Math.max(offsetsCount, offsetIndex + segment.end - segment.start + 1);
+          }
+
+          var offsets = [];
+
+          for (j = 0; j < offsetsCount; j++) {
+            offsets.push(file.getUint16());
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            start = segment.start;
+            var end = segment.end;
+            var delta = segment.delta;
+            offsetIndex = segment.offsetIndex;
+
+            for (j = start; j <= end; j++) {
+              if (j === 0xffff) {
+                continue;
+              }
+
+              glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];
+              glyphId = glyphId + delta & 0xffff;
+              mappings.push({
+                charCode: j,
+                glyphId: glyphId
+              });
+            }
+          }
+        } else if (format === 6) {
+          var firstCode = file.getUint16();
+          var entryCount = file.getUint16();
+
+          for (j = 0; j < entryCount; j++) {
+            glyphId = file.getUint16();
+            var charCode = firstCode + j;
+            mappings.push({
+              charCode: charCode,
+              glyphId: glyphId
+            });
+          }
+        } else {
+          (0, _util.warn)("cmap table has unsupported format: " + format);
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        mappings.sort(function (a, b) {
+          return a.charCode - b.charCode;
+        });
+
+        for (i = 1; i < mappings.length; i++) {
+          if (mappings[i - 1].charCode === mappings[i].charCode) {
+            mappings.splice(i, 1);
+            i--;
+          }
+        }
+
+        return {
+          platformId: potentialTable.platformId,
+          encodingId: potentialTable.encodingId,
+          mappings: mappings,
+          hasShortCmap: hasShortCmap
+        };
+      }
+
+      function sanitizeMetrics(file, header, metrics, numGlyphs, dupFirstEntry) {
+        if (!header) {
+          if (metrics) {
+            metrics.data = null;
+          }
+
+          return;
+        }
+
+        file.pos = (file.start ? file.start : 0) + header.offset;
+        file.pos += 4;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 8;
+        file.pos += 2;
+        var numOfMetrics = file.getUint16();
+
+        if (numOfMetrics > numGlyphs) {
+          (0, _util.info)("The numOfMetrics (" + numOfMetrics + ") should not be " + "greater than the numGlyphs (" + numGlyphs + ")");
+          numOfMetrics = numGlyphs;
+          header.data[34] = (numOfMetrics & 0xff00) >> 8;
+          header.data[35] = numOfMetrics & 0x00ff;
+        }
+
+        var numOfSidebearings = numGlyphs - numOfMetrics;
+        var numMissing = numOfSidebearings - (metrics.length - numOfMetrics * 4 >> 1);
+
+        if (numMissing > 0) {
+          var entries = new Uint8Array(metrics.length + numMissing * 2);
+          entries.set(metrics.data);
+
+          if (dupFirstEntry) {
+            entries[metrics.length] = metrics.data[2];
+            entries[metrics.length + 1] = metrics.data[3];
+          }
+
+          metrics.data = entries;
+        }
+      }
+
+      function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, hintsValid) {
+        var glyphProfile = {
+          length: 0,
+          sizeOfInstructions: 0
+        };
+
+        if (sourceEnd - sourceStart <= 12) {
+          return glyphProfile;
+        }
+
+        var glyf = source.subarray(sourceStart, sourceEnd);
+        var contoursCount = signedInt16(glyf[0], glyf[1]);
+
+        if (contoursCount < 0) {
+          contoursCount = -1;
+          writeSignedInt16(glyf, 0, contoursCount);
+          dest.set(glyf, destStart);
+          glyphProfile.length = glyf.length;
+          return glyphProfile;
+        }
+
+        var i,
+            j = 10,
+            flagsCount = 0;
+
+        for (i = 0; i < contoursCount; i++) {
+          var endPoint = glyf[j] << 8 | glyf[j + 1];
+          flagsCount = endPoint + 1;
+          j += 2;
+        }
+
+        var instructionsStart = j;
+        var instructionsLength = glyf[j] << 8 | glyf[j + 1];
+        glyphProfile.sizeOfInstructions = instructionsLength;
+        j += 2 + instructionsLength;
+        var instructionsEnd = j;
+        var coordinatesLength = 0;
+
+        for (i = 0; i < flagsCount; i++) {
+          var flag = glyf[j++];
+
+          if (flag & 0xc0) {
+            glyf[j - 1] = flag & 0x3f;
+          }
+
+          var xLength = 2;
+
+          if (flag & 2) {
+            xLength = 1;
+          } else if (flag & 16) {
+            xLength = 0;
+          }
+
+          var yLength = 2;
+
+          if (flag & 4) {
+            yLength = 1;
+          } else if (flag & 32) {
+            yLength = 0;
+          }
+
+          var xyLength = xLength + yLength;
+          coordinatesLength += xyLength;
+
+          if (flag & 8) {
+            var repeat = glyf[j++];
+            i += repeat;
+            coordinatesLength += repeat * xyLength;
+          }
+        }
+
+        if (coordinatesLength === 0) {
+          return glyphProfile;
+        }
+
+        var glyphDataLength = j + coordinatesLength;
+
+        if (glyphDataLength > glyf.length) {
+          return glyphProfile;
+        }
+
+        if (!hintsValid && instructionsLength > 0) {
+          dest.set(glyf.subarray(0, instructionsStart), destStart);
+          dest.set([0, 0], destStart + instructionsStart);
+          dest.set(glyf.subarray(instructionsEnd, glyphDataLength), destStart + instructionsStart + 2);
+          glyphDataLength -= instructionsLength;
+
+          if (glyf.length - glyphDataLength > 3) {
+            glyphDataLength = glyphDataLength + 3 & ~3;
+          }
+
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        if (glyf.length - glyphDataLength > 3) {
+          glyphDataLength = glyphDataLength + 3 & ~3;
+          dest.set(glyf.subarray(0, glyphDataLength), destStart);
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        dest.set(glyf, destStart);
+        glyphProfile.length = glyf.length;
+        return glyphProfile;
+      }
+
+      function sanitizeHead(head, numGlyphs, locaLength) {
+        var data = head.data;
+        var version = int32(data[0], data[1], data[2], data[3]);
+
+        if (version >> 16 !== 1) {
+          (0, _util.info)("Attempting to fix invalid version in head table: " + version);
+          data[0] = 0;
+          data[1] = 1;
+          data[2] = 0;
+          data[3] = 0;
+        }
+
+        var indexToLocFormat = int16(data[50], data[51]);
+
+        if (indexToLocFormat < 0 || indexToLocFormat > 1) {
+          (0, _util.info)("Attempting to fix invalid indexToLocFormat in head table: " + indexToLocFormat);
+          var numGlyphsPlusOne = numGlyphs + 1;
+
+          if (locaLength === numGlyphsPlusOne << 1) {
+            data[50] = 0;
+            data[51] = 0;
+          } else if (locaLength === numGlyphsPlusOne << 2) {
+            data[50] = 0;
+            data[51] = 1;
+          } else {
+            throw new _util.FormatError("Could not fix indexToLocFormat: " + indexToLocFormat);
+          }
+        }
+      }
+
+      function sanitizeGlyphLocations(loca, glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions) {
+        var itemSize, itemDecode, itemEncode;
+
+        if (isGlyphLocationsLong) {
+          itemSize = 4;
+
+          itemDecode = function fontItemDecodeLong(data, offset) {
+            return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+          };
+
+          itemEncode = function fontItemEncodeLong(data, offset, value) {
+            data[offset] = value >>> 24 & 0xff;
+            data[offset + 1] = value >> 16 & 0xff;
+            data[offset + 2] = value >> 8 & 0xff;
+            data[offset + 3] = value & 0xff;
+          };
+        } else {
+          itemSize = 2;
+
+          itemDecode = function fontItemDecode(data, offset) {
+            return data[offset] << 9 | data[offset + 1] << 1;
+          };
+
+          itemEncode = function fontItemEncode(data, offset, value) {
+            data[offset] = value >> 9 & 0xff;
+            data[offset + 1] = value >> 1 & 0xff;
+          };
+        }
+
+        var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;
+        var locaDataSize = itemSize * (1 + numGlyphsOut);
+        var locaData = new Uint8Array(locaDataSize);
+        locaData.set(loca.data.subarray(0, locaDataSize));
+        loca.data = locaData;
+        var oldGlyfData = glyf.data;
+        var oldGlyfDataLength = oldGlyfData.length;
+        var newGlyfData = new Uint8Array(oldGlyfDataLength);
+        var i, j;
+        var locaEntries = [];
+
+        for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {
+          var offset = itemDecode(locaData, j);
+
+          if (offset > oldGlyfDataLength) {
+            offset = oldGlyfDataLength;
+          }
+
+          locaEntries.push({
+            index: i,
+            offset: offset,
+            endOffset: 0
+          });
+        }
+
+        locaEntries.sort(function (a, b) {
+          return a.offset - b.offset;
+        });
+
+        for (i = 0; i < numGlyphs; i++) {
+          locaEntries[i].endOffset = locaEntries[i + 1].offset;
+        }
+
+        locaEntries.sort(function (a, b) {
+          return a.index - b.index;
+        });
+        var missingGlyphs = Object.create(null);
+        var writeOffset = 0;
+        itemEncode(locaData, 0, writeOffset);
+
+        for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {
+          var glyphProfile = sanitizeGlyph(oldGlyfData, locaEntries[i].offset, locaEntries[i].endOffset, newGlyfData, writeOffset, hintsValid);
+          var newLength = glyphProfile.length;
+
+          if (newLength === 0) {
+            missingGlyphs[i] = true;
+          }
+
+          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {
+            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;
+          }
+
+          writeOffset += newLength;
+          itemEncode(locaData, j, writeOffset);
+        }
+
+        if (writeOffset === 0) {
+          var simpleGlyph = new Uint8Array([0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]);
+
+          for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {
+            itemEncode(locaData, j, simpleGlyph.length);
+          }
+
+          glyf.data = simpleGlyph;
+        } else if (dupFirstEntry) {
+          var firstEntryLength = itemDecode(locaData, itemSize);
+
+          if (newGlyfData.length > firstEntryLength + writeOffset) {
+            glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);
+          } else {
+            glyf.data = new Uint8Array(firstEntryLength + writeOffset);
+            glyf.data.set(newGlyfData.subarray(0, writeOffset));
+          }
+
+          glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);
+          itemEncode(loca.data, locaData.length - itemSize, writeOffset + firstEntryLength);
+        } else {
+          glyf.data = newGlyfData.subarray(0, writeOffset);
+        }
+
+        return {
+          missingGlyphs: missingGlyphs,
+          maxSizeOfInstructions: maxSizeOfInstructions
+        };
+      }
+
+      function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {
+        var start = (font.start ? font.start : 0) + post.offset;
+        font.pos = start;
+        var length = post.length,
+            end = start + length;
+        var version = font.getInt32();
+        font.skip(28);
+        var glyphNames;
+        var valid = true;
+        var i;
+
+        switch (version) {
+          case 0x00010000:
+            glyphNames = MacStandardGlyphOrdering;
+            break;
+
+          case 0x00020000:
+            var numGlyphs = font.getUint16();
+
+            if (numGlyphs !== maxpNumGlyphs) {
+              valid = false;
+              break;
+            }
+
+            var glyphNameIndexes = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var index = font.getUint16();
+
+              if (index >= 32768) {
+                valid = false;
+                break;
+              }
+
+              glyphNameIndexes.push(index);
+            }
+
+            if (!valid) {
+              break;
+            }
+
+            var customNames = [];
+            var strBuf = [];
+
+            while (font.pos < end) {
+              var stringLength = font.getByte();
+              strBuf.length = stringLength;
+
+              for (i = 0; i < stringLength; ++i) {
+                strBuf[i] = String.fromCharCode(font.getByte());
+              }
+
+              customNames.push(strBuf.join(""));
+            }
+
+            glyphNames = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var j = glyphNameIndexes[i];
+
+              if (j < 258) {
+                glyphNames.push(MacStandardGlyphOrdering[j]);
+                continue;
+              }
+
+              glyphNames.push(customNames[j - 258]);
+            }
+
+            break;
+
+          case 0x00030000:
+            break;
+
+          default:
+            (0, _util.warn)("Unknown/unsupported post table version " + version);
+            valid = false;
+
+            if (propertiesObj.defaultEncoding) {
+              glyphNames = propertiesObj.defaultEncoding;
+            }
+
+            break;
+        }
+
+        propertiesObj.glyphNames = glyphNames;
+        return valid;
+      }
+
+      function readNameTable(nameTable) {
+        var start = (font.start ? font.start : 0) + nameTable.offset;
+        font.pos = start;
+        var names = [[], []];
+        var length = nameTable.length,
+            end = start + length;
+        var format = font.getUint16();
+        var FORMAT_0_HEADER_LENGTH = 6;
+
+        if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {
+          return names;
+        }
+
+        var numRecords = font.getUint16();
+        var stringsStart = font.getUint16();
+        var records = [];
+        var NAME_RECORD_LENGTH = 12;
+        var i, ii;
+
+        for (i = 0; i < numRecords && font.pos + NAME_RECORD_LENGTH <= end; i++) {
+          var r = {
+            platform: font.getUint16(),
+            encoding: font.getUint16(),
+            language: font.getUint16(),
+            name: font.getUint16(),
+            length: font.getUint16(),
+            offset: font.getUint16()
+          };
+
+          if (r.platform === 1 && r.encoding === 0 && r.language === 0 || r.platform === 3 && r.encoding === 1 && r.language === 0x409) {
+            records.push(r);
+          }
+        }
+
+        for (i = 0, ii = records.length; i < ii; i++) {
+          var record = records[i];
+
+          if (record.length <= 0) {
+            continue;
+          }
+
+          var pos = start + stringsStart + record.offset;
+
+          if (pos + record.length > end) {
+            continue;
+          }
+
+          font.pos = pos;
+          var nameIndex = record.name;
+
+          if (record.encoding) {
+            var str = "";
+
+            for (var j = 0, jj = record.length; j < jj; j += 2) {
+              str += String.fromCharCode(font.getUint16());
+            }
+
+            names[1][nameIndex] = str;
+          } else {
+            names[0][nameIndex] = (0, _util.bytesToString)(font.getBytes(record.length));
+          }
+        }
+
+        return names;
+      }
+
+      var TTOpsStackDeltas = [0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];
+
+      function sanitizeTTProgram(table, ttContext) {
+        var data = table.data;
+        var i = 0,
+            j,
+            n,
+            b,
+            funcId,
+            pc,
+            lastEndf = 0,
+            lastDeff = 0;
+        var stack = [];
+        var callstack = [];
+        var functionsCalled = [];
+        var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;
+        var inFDEF = false,
+            ifLevel = 0,
+            inELSE = 0;
+
+        for (var ii = data.length; i < ii;) {
+          var op = data[i++];
+
+          if (op === 0x40) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if (op === 0x41) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb0) {
+            n = op - 0xb0 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb8) {
+            n = op - 0xb8 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if (op === 0x2b && !tooComplexToFollowFunctions) {
+            if (!inFDEF && !inELSE) {
+              funcId = stack[stack.length - 1];
+
+              if (isNaN(funcId)) {
+                (0, _util.info)("TT: CALL empty stack (or invalid entry).");
+              } else {
+                ttContext.functionsUsed[funcId] = true;
+
+                if (funcId in ttContext.functionsStackDeltas) {
+                  var newStackLength = stack.length + ttContext.functionsStackDeltas[funcId];
+
+                  if (newStackLength < 0) {
+                    (0, _util.warn)("TT: CALL invalid functions stack delta.");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  stack.length = newStackLength;
+                } else if (funcId in ttContext.functionsDefined && !functionsCalled.includes(funcId)) {
+                  callstack.push({
+                    data: data,
+                    i: i,
+                    stackTop: stack.length - 1
+                  });
+                  functionsCalled.push(funcId);
+                  pc = ttContext.functionsDefined[funcId];
+
+                  if (!pc) {
+                    (0, _util.warn)("TT: CALL non-existent function");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  data = pc.data;
+                  i = pc.i;
+                }
+              }
+            }
+          } else if (op === 0x2c && !tooComplexToFollowFunctions) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested FDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+            funcId = stack.pop();
+            ttContext.functionsDefined[funcId] = {
+              data: data,
+              i: i
+            };
+          } else if (op === 0x2d) {
+            if (inFDEF) {
+              inFDEF = false;
+              lastEndf = i;
+            } else {
+              pc = callstack.pop();
+
+              if (!pc) {
+                (0, _util.warn)("TT: ENDF bad stack");
+                ttContext.hintsValid = false;
+                return;
+              }
+
+              funcId = functionsCalled.pop();
+              data = pc.data;
+              i = pc.i;
+              ttContext.functionsStackDeltas[funcId] = stack.length - pc.stackTop;
+            }
+          } else if (op === 0x89) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested IDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+          } else if (op === 0x58) {
+            ++ifLevel;
+          } else if (op === 0x1b) {
+            inELSE = ifLevel;
+          } else if (op === 0x59) {
+            if (inELSE === ifLevel) {
+              inELSE = 0;
+            }
+
+            --ifLevel;
+          } else if (op === 0x1c) {
+            if (!inFDEF && !inELSE) {
+              var offset = stack[stack.length - 1];
+
+              if (offset > 0) {
+                i += offset - 1;
+              }
+            }
+          }
+
+          if (!inFDEF && !inELSE) {
+            var stackDelta = 0;
+
+            if (op <= 0x8e) {
+              stackDelta = TTOpsStackDeltas[op];
+            } else if (op >= 0xc0 && op <= 0xdf) {
+              stackDelta = -1;
+            } else if (op >= 0xe0) {
+              stackDelta = -2;
+            }
+
+            if (op >= 0x71 && op <= 0x75) {
+              n = stack.pop();
+
+              if (!isNaN(n)) {
+                stackDelta = -n * 2;
+              }
+            }
+
+            while (stackDelta < 0 && stack.length > 0) {
+              stack.pop();
+              stackDelta++;
+            }
+
+            while (stackDelta > 0) {
+              stack.push(NaN);
+              stackDelta--;
+            }
+          }
+        }
+
+        ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;
+        var content = [data];
+
+        if (i > data.length) {
+          content.push(new Uint8Array(i - data.length));
+        }
+
+        if (lastDeff > lastEndf) {
+          (0, _util.warn)("TT: complementing a missing function tail");
+          content.push(new Uint8Array([0x22, 0x2d]));
+        }
+
+        foldTTTable(table, content);
+      }
+
+      function checkInvalidFunctions(ttContext, maxFunctionDefs) {
+        if (ttContext.tooComplexToFollowFunctions) {
+          return;
+        }
+
+        if (ttContext.functionsDefined.length > maxFunctionDefs) {
+          (0, _util.warn)("TT: more functions defined than expected");
+          ttContext.hintsValid = false;
+          return;
+        }
+
+        for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {
+          if (j > maxFunctionDefs) {
+            (0, _util.warn)("TT: invalid function id: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+
+          if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {
+            (0, _util.warn)("TT: undefined function: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+        }
+      }
+
+      function foldTTTable(table, content) {
+        if (content.length > 1) {
+          var newLength = 0;
+          var j, jj;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            newLength += content[j].length;
+          }
+
+          newLength = newLength + 3 & ~3;
+          var result = new Uint8Array(newLength);
+          var pos = 0;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            result.set(content[j], pos);
+            pos += content[j].length;
+          }
+
+          table.data = result;
+          table.length = newLength;
+        }
+      }
+
+      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {
+        var ttContext = {
+          functionsDefined: [],
+          functionsUsed: [],
+          functionsStackDeltas: [],
+          tooComplexToFollowFunctions: false,
+          hintsValid: true
+        };
+
+        if (fpgm) {
+          sanitizeTTProgram(fpgm, ttContext);
+        }
+
+        if (prep) {
+          sanitizeTTProgram(prep, ttContext);
+        }
+
+        if (fpgm) {
+          checkInvalidFunctions(ttContext, maxFunctionDefs);
+        }
+
+        if (cvt && cvt.length & 1) {
+          var cvtData = new Uint8Array(cvt.length + 1);
+          cvtData.set(cvt.data);
+          cvt.data = cvtData;
+        }
+
+        return ttContext.hintsValid;
+      }
+
+      font = new _stream.Stream(new Uint8Array(font.getBytes()));
+      var header, tables;
+
+      if (isTrueTypeCollectionFile(font)) {
+        var ttcData = readTrueTypeCollectionData(font, this.name);
+        header = ttcData.header;
+        tables = ttcData.tables;
+      } else {
+        header = readOpenTypeHeader(font);
+        tables = readTables(font, header.numTables);
+      }
+
+      var cff, cffFile;
+      var isTrueType = !tables["CFF "];
+
+      if (!isTrueType) {
+        var isComposite = properties.composite && ((properties.cidToGidMap || []).length > 0 || !(properties.cMap instanceof _cmap.IdentityCMap));
+
+        if (header.version === "OTTO" && !isComposite || !tables.head || !tables.hhea || !tables.maxp || !tables.post) {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          cff = new CFFFont(cffFile, properties);
+          adjustWidths(properties);
+          return this.convert(name, cff, properties);
+        }
+
+        delete tables.glyf;
+        delete tables.loca;
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+        this.isOpenType = true;
+      } else {
+        if (!tables.loca) {
+          throw new _util.FormatError('Required "loca" table is not found');
+        }
+
+        if (!tables.glyf) {
+          (0, _util.warn)('Required "glyf" table is not found -- trying to recover.');
+          tables.glyf = {
+            tag: "glyf",
+            data: new Uint8Array(0)
+          };
+        }
+
+        this.isOpenType = false;
+      }
+
+      if (!tables.maxp) {
+        throw new _util.FormatError('Required "maxp" table is not found');
+      }
+
+      font.pos = (font.start || 0) + tables.maxp.offset;
+      var version = font.getInt32();
+      var numGlyphs = font.getUint16();
+      var numGlyphsOut = numGlyphs + 1;
+      var dupFirstEntry = true;
+
+      if (numGlyphsOut > 0xffff) {
+        dupFirstEntry = false;
+        numGlyphsOut = numGlyphs;
+        (0, _util.warn)("Not enough space in glyfs to duplicate first glyph.");
+      }
+
+      var maxFunctionDefs = 0;
+      var maxSizeOfInstructions = 0;
+
+      if (version >= 0x00010000 && tables.maxp.length >= 22) {
+        font.pos += 8;
+        var maxZones = font.getUint16();
+
+        if (maxZones > 2) {
+          tables.maxp.data[14] = 0;
+          tables.maxp.data[15] = 2;
+        }
+
+        font.pos += 4;
+        maxFunctionDefs = font.getUint16();
+        font.pos += 4;
+        maxSizeOfInstructions = font.getUint16();
+      }
+
+      tables.maxp.data[4] = numGlyphsOut >> 8;
+      tables.maxp.data[5] = numGlyphsOut & 255;
+      var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, tables["cvt "], maxFunctionDefs);
+
+      if (!hintsValid) {
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+      }
+
+      sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphsOut, dupFirstEntry);
+
+      if (!tables.head) {
+        throw new _util.FormatError('Required "head" table is not found');
+      }
+
+      sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);
+      var missingGlyphs = Object.create(null);
+
+      if (isTrueType) {
+        var isGlyphLocationsLong = int16(tables.head.data[50], tables.head.data[51]);
+        var glyphsInfo = sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions);
+        missingGlyphs = glyphsInfo.missingGlyphs;
+
+        if (version >= 0x00010000 && tables.maxp.length >= 22) {
+          tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;
+          tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;
+        }
+      }
+
+      if (!tables.hhea) {
+        throw new _util.FormatError('Required "hhea" table is not found');
+      }
+
+      if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {
+        tables.hhea.data[10] = 0xff;
+        tables.hhea.data[11] = 0xff;
+      }
+
+      var metricsOverride = {
+        unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),
+        yMax: int16(tables.head.data[42], tables.head.data[43]),
+        yMin: signedInt16(tables.head.data[38], tables.head.data[39]),
+        ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),
+        descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7])
+      };
+      this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;
+      this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;
+
+      if (tables.post) {
+        readPostScriptTable(tables.post, properties, numGlyphs);
+      }
+
+      tables.post = {
+        tag: "post",
+        data: createPostTable(properties)
+      };
+      var charCodeToGlyphId = [];
+
+      function hasGlyph(glyphId) {
+        return !missingGlyphs[glyphId];
+      }
+
+      if (properties.composite) {
+        var cidToGidMap = properties.cidToGidMap || [];
+        var isCidToGidMapEmpty = cidToGidMap.length === 0;
+        properties.cMap.forEach(function (charCode, cid) {
+          if (cid > 0xffff) {
+            throw new _util.FormatError("Max size of CID is 65,535");
+          }
+
+          var glyphId = -1;
+
+          if (isCidToGidMapEmpty) {
+            glyphId = cid;
+          } else if (cidToGidMap[cid] !== undefined) {
+            glyphId = cidToGidMap[cid];
+          }
+
+          if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        });
+      } else {
+        var cmapTable = readCmapTable(tables.cmap, font, this.isSymbolicFont, properties.hasEncoding);
+        var cmapPlatformId = cmapTable.platformId;
+        var cmapEncodingId = cmapTable.encodingId;
+        var cmapMappings = cmapTable.mappings;
+        var cmapMappingsLength = cmapMappings.length;
+        var baseEncoding = [];
+
+        if (properties.hasEncoding && (properties.baseEncodingName === "MacRomanEncoding" || properties.baseEncodingName === "WinAnsiEncoding")) {
+          baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+        }
+
+        if (properties.hasEncoding && !this.isSymbolicFont && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0)) {
+          var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+          for (var charCode = 0; charCode < 256; charCode++) {
+            var glyphName, standardGlyphName;
+
+            if (this.differences && charCode in this.differences) {
+              glyphName = this.differences[charCode];
+            } else if (charCode in baseEncoding && baseEncoding[charCode] !== "") {
+              glyphName = baseEncoding[charCode];
+            } else {
+              glyphName = _encodings.StandardEncoding[charCode];
+            }
+
+            if (!glyphName) {
+              continue;
+            }
+
+            standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+            var unicodeOrCharCode;
+
+            if (cmapPlatformId === 3 && cmapEncodingId === 1) {
+              unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];
+            } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {
+              unicodeOrCharCode = _encodings.MacRomanEncoding.indexOf(standardGlyphName);
+            }
+
+            for (var i = 0; i < cmapMappingsLength; ++i) {
+              if (cmapMappings[i].charCode !== unicodeOrCharCode) {
+                continue;
+              }
+
+              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
+              break;
+            }
+          }
+        } else if (cmapPlatformId === 0) {
+          for (var _i2 = 0; _i2 < cmapMappingsLength; ++_i2) {
+            charCodeToGlyphId[cmapMappings[_i2].charCode] = cmapMappings[_i2].glyphId;
+          }
+        } else {
+          for (var _i3 = 0; _i3 < cmapMappingsLength; ++_i3) {
+            var _charCode4 = cmapMappings[_i3].charCode;
+
+            if (cmapPlatformId === 3 && _charCode4 >= 0xf000 && _charCode4 <= 0xf0ff) {
+              _charCode4 &= 0xff;
+            }
+
+            charCodeToGlyphId[_charCode4] = cmapMappings[_i3].glyphId;
+          }
+        }
+
+        if (properties.glyphNames && baseEncoding.length) {
+          for (var _i4 = 0; _i4 < 256; ++_i4) {
+            if (charCodeToGlyphId[_i4] === undefined && baseEncoding[_i4]) {
+              glyphName = baseEncoding[_i4];
+              var glyphId = properties.glyphNames.indexOf(glyphName);
+
+              if (glyphId > 0 && hasGlyph(glyphId)) {
+                charCodeToGlyphId[_i4] = glyphId;
+              }
+            }
+          }
+        }
+      }
+
+      if (charCodeToGlyphId.length === 0) {
+        charCodeToGlyphId[0] = 0;
+      }
+
+      var glyphZeroId = numGlyphsOut - 1;
+
+      if (!dupFirstEntry) {
+        glyphZeroId = 0;
+      }
+
+      var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      tables.cmap = {
+        tag: "cmap",
+        data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut)
+      };
+
+      if (!tables["OS/2"] || !validateOS2Table(tables["OS/2"], font)) {
+        tables["OS/2"] = {
+          tag: "OS/2",
+          data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride)
+        };
+      }
+
+      if (!isTrueType) {
+        try {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          var parser = new _cff_parser.CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED);
+          cff = parser.parse();
+          cff.duplicateFirstGlyph();
+          var compiler = new _cff_parser.CFFCompiler(cff);
+          tables["CFF "].data = compiler.compile();
+        } catch (e) {
+          (0, _util.warn)("Failed to compile font " + properties.loadedName);
+        }
+      }
+
+      if (!tables.name) {
+        tables.name = {
+          tag: "name",
+          data: createNameTable(this.name)
+        };
+      } else {
+        var namePrototype = readNameTable(tables.name);
+        tables.name.data = createNameTable(name, namePrototype);
+      }
+
+      var builder = new OpenTypeFileBuilder(header.version);
+
+      for (var tableTag in tables) {
+        builder.addTable(tableTag, tables[tableTag].data);
+      }
+
+      return builder.toArray();
+    },
+    convert: function Font_convert(fontName, font, properties) {
+      properties.fixedPitch = false;
+
+      if (properties.builtInEncoding) {
+        adjustToUnicode(properties, properties.builtInEncoding);
+      }
+
+      var glyphZeroId = 1;
+
+      if (font instanceof CFFFont) {
+        glyphZeroId = font.numGlyphs - 1;
+      }
+
+      var mapping = font.getGlyphMapping(properties);
+      var newMapping = adjustMapping(mapping, font.hasGlyphId.bind(font), glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      var numGlyphs = font.numGlyphs;
+
+      function getCharCodes(charCodeToGlyphId, glyphId) {
+        var charCodes = null;
+
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            if (!charCodes) {
+              charCodes = [];
+            }
+
+            charCodes.push(charCode | 0);
+          }
+        }
+
+        return charCodes;
+      }
+
+      function createCharCode(charCodeToGlyphId, glyphId) {
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            return charCode | 0;
+          }
+        }
+
+        newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = glyphId;
+        return newMapping.nextAvailableFontCharCode++;
+      }
+
+      var seacs = font.seacs;
+
+      if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {
+        var matrix = properties.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+        var charset = font.getCharset();
+        var seacMap = Object.create(null);
+
+        for (var glyphId in seacs) {
+          glyphId |= 0;
+          var seac = seacs[glyphId];
+          var baseGlyphName = _encodings.StandardEncoding[seac[2]];
+          var accentGlyphName = _encodings.StandardEncoding[seac[3]];
+          var baseGlyphId = charset.indexOf(baseGlyphName);
+          var accentGlyphId = charset.indexOf(accentGlyphName);
+
+          if (baseGlyphId < 0 || accentGlyphId < 0) {
+            continue;
+          }
+
+          var accentOffset = {
+            x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],
+            y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5]
+          };
+          var charCodes = getCharCodes(mapping, glyphId);
+
+          if (!charCodes) {
+            continue;
+          }
+
+          for (var i = 0, ii = charCodes.length; i < ii; i++) {
+            var charCode = charCodes[i];
+            var charCodeToGlyphId = newMapping.charCodeToGlyphId;
+            var baseFontCharCode = createCharCode(charCodeToGlyphId, baseGlyphId);
+            var accentFontCharCode = createCharCode(charCodeToGlyphId, accentGlyphId);
+            seacMap[charCode] = {
+              baseFontCharCode: baseFontCharCode,
+              accentFontCharCode: accentFontCharCode,
+              accentOffset: accentOffset
+            };
+          }
+        }
+
+        properties.seacMap = seacMap;
+      }
+
+      var unitsPerEm = 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+      var builder = new OpenTypeFileBuilder("\x4F\x54\x54\x4F");
+      builder.addTable("CFF ", font.data);
+      builder.addTable("OS/2", createOS2Table(properties, newMapping.charCodeToGlyphId));
+      builder.addTable("cmap", createCmapTable(newMapping.charCodeToGlyphId, numGlyphs));
+      builder.addTable("head", "\x00\x01\x00\x00" + "\x00\x00\x10\x00" + "\x00\x00\x00\x00" + "\x5F\x0F\x3C\xF5" + "\x00\x00" + safeString16(unitsPerEm) + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00" + safeString16(properties.descent) + "\x0F\xFF" + safeString16(properties.ascent) + string16(properties.italicAngle ? 2 : 0) + "\x00\x11" + "\x00\x00" + "\x00\x00" + "\x00\x00");
+      builder.addTable("hhea", "\x00\x01\x00\x00" + safeString16(properties.ascent) + safeString16(properties.descent) + "\x00\x00" + "\xFF\xFF" + "\x00\x00" + "\x00\x00" + "\x00\x00" + safeString16(properties.capHeight) + safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + string16(numGlyphs));
+      builder.addTable("hmtx", function fontFieldsHmtx() {
+        var charstrings = font.charstrings;
+        var cffWidths = font.cff ? font.cff.widths : null;
+        var hmtx = "\x00\x00\x00\x00";
+
+        for (var _i5 = 1, _ii = numGlyphs; _i5 < _ii; _i5++) {
+          var width = 0;
+
+          if (charstrings) {
+            var charstring = charstrings[_i5 - 1];
+            width = "width" in charstring ? charstring.width : 0;
+          } else if (cffWidths) {
+            width = Math.ceil(cffWidths[_i5] || 0);
+          }
+
+          hmtx += string16(width) + string16(0);
+        }
+
+        return hmtx;
+      }());
+      builder.addTable("maxp", "\x00\x00\x50\x00" + string16(numGlyphs));
+      builder.addTable("name", createNameTable(fontName));
+      builder.addTable("post", createPostTable(properties));
+      return builder.toArray();
+    },
+
+    get spaceWidth() {
+      var possibleSpaceReplacements = ["space", "minus", "one", "i", "I"];
+      var width;
+
+      for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
+        var glyphName = possibleSpaceReplacements[i];
+
+        if (glyphName in this.widths) {
+          width = this.widths[glyphName];
+          break;
+        }
+
+        var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        var glyphUnicode = glyphsUnicodeMap[glyphName];
+        var charcode = 0;
+
+        if (this.composite && this.cMap.contains(glyphUnicode)) {
+          charcode = this.cMap.lookup(glyphUnicode);
+        }
+
+        if (!charcode && this.toUnicode) {
+          charcode = this.toUnicode.charCodeOf(glyphUnicode);
+        }
+
+        if (charcode <= 0) {
+          charcode = glyphUnicode;
+        }
+
+        width = this.widths[charcode];
+
+        if (width) {
+          break;
+        }
+      }
+
+      width = width || this.defaultWidth;
+      return (0, _util.shadow)(this, "spaceWidth", width);
+    },
+
+    charToGlyph: function Font_charToGlyph(charcode, isSpace) {
+      var fontCharCode, width, operatorListId;
+      var widthCode = charcode;
+
+      if (this.cMap && this.cMap.contains(charcode)) {
+        widthCode = this.cMap.lookup(charcode);
+      }
+
+      width = this.widths[widthCode];
+      width = (0, _util.isNum)(width) ? width : this.defaultWidth;
+      var vmetric = this.vmetrics && this.vmetrics[widthCode];
+      var unicode = this.toUnicode.get(charcode) || this.fallbackToUnicode.get(charcode) || charcode;
+
+      if (typeof unicode === "number") {
+        unicode = String.fromCharCode(unicode);
+      }
+
+      var isInFont = (charcode in this.toFontChar);
+      fontCharCode = this.toFontChar[charcode] || charcode;
+
+      if (this.missingFile) {
+        var glyphName = this.differences[charcode] || this.defaultEncoding[charcode];
+
+        if ((glyphName === ".notdef" || glyphName === "") && this.type === "Type1") {
+          fontCharCode = 0x20;
+        }
+
+        fontCharCode = (0, _unicode.mapSpecialUnicodeValues)(fontCharCode);
+      }
+
+      if (this.isType3Font) {
+        operatorListId = fontCharCode;
+      }
+
+      var accent = null;
+
+      if (this.seacMap && this.seacMap[charcode]) {
+        isInFont = true;
+        var seac = this.seacMap[charcode];
+        fontCharCode = seac.baseFontCharCode;
+        accent = {
+          fontChar: String.fromCodePoint(seac.accentFontCharCode),
+          offset: seac.accentOffset
+        };
+      }
+
+      var fontChar = "";
+
+      if (typeof fontCharCode === "number") {
+        if (fontCharCode <= 0x10ffff) {
+          fontChar = String.fromCodePoint(fontCharCode);
+        } else {
+          (0, _util.warn)("charToGlyph - invalid fontCharCode: ".concat(fontCharCode));
+        }
+      }
+
+      var glyph = this.glyphCache[charcode];
+
+      if (!glyph || !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont)) {
+        glyph = new Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont);
+        this.glyphCache[charcode] = glyph;
+      }
+
+      return glyph;
+    },
+    charsToGlyphs: function Font_charsToGlyphs(chars) {
+      var charsCache = this.charsCache;
+      var glyphs, glyph, charcode;
+
+      if (charsCache) {
+        glyphs = charsCache[chars];
+
+        if (glyphs) {
+          return glyphs;
+        }
+      }
+
+      if (!charsCache) {
+        charsCache = this.charsCache = Object.create(null);
+      }
+
+      glyphs = [];
+      var charsCacheKey = chars;
+      var i = 0,
+          ii;
+
+      if (this.cMap) {
+        var c = Object.create(null);
+
+        while (i < chars.length) {
+          this.cMap.readCharCode(chars, i, c);
+          charcode = c.charcode;
+          var length = c.length;
+          i += length;
+          var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;
+          glyph = this.charToGlyph(charcode, isSpace);
+          glyphs.push(glyph);
+        }
+      } else {
+        for (i = 0, ii = chars.length; i < ii; ++i) {
+          charcode = chars.charCodeAt(i);
+          glyph = this.charToGlyph(charcode, charcode === 0x20);
+          glyphs.push(glyph);
+        }
+      }
+
+      return charsCache[charsCacheKey] = glyphs;
+    },
+
+    get glyphCacheValues() {
+      return Object.values(this.glyphCache);
+    }
+
+  };
+  return Font;
+}();
+
+exports.Font = Font;
+
+var ErrorFont = function ErrorFontClosure() {
+  function ErrorFont(error) {
+    this.error = error;
+    this.loadedName = "g_font_error";
+    this.missingFile = true;
+  }
+
+  ErrorFont.prototype = {
+    charsToGlyphs: function ErrorFont_charsToGlyphs() {
+      return [];
+    },
+    exportData: function exportData() {
+      var extraProperties = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      return {
+        error: this.error
+      };
+    }
+  };
+  return ErrorFont;
+}();
+
+exports.ErrorFont = ErrorFont;
+
+function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {
+  var charCodeToGlyphId = Object.create(null);
+  var glyphId, charCode, baseEncoding;
+  var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+
+  if (properties.baseEncodingName) {
+    baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  } else if (isSymbolicFont) {
+    for (charCode in builtInEncoding) {
+      charCodeToGlyphId[charCode] = builtInEncoding[charCode];
+    }
+  } else {
+    baseEncoding = _encodings.StandardEncoding;
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  var differences = properties.differences,
+      glyphsUnicodeMap;
+
+  if (differences) {
+    for (charCode in differences) {
+      var glyphName = differences[charCode];
+      glyphId = glyphNames.indexOf(glyphName);
+
+      if (glyphId === -1) {
+        if (!glyphsUnicodeMap) {
+          glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        }
+
+        var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+
+        if (standardGlyphName !== glyphName) {
+          glyphId = glyphNames.indexOf(standardGlyphName);
+        }
+      }
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  return charCodeToGlyphId;
+}
+
+var Type1Font = function Type1FontClosure() {
+  function findBlock(streamBytes, signature, startIndex) {
+    var streamBytesLength = streamBytes.length;
+    var signatureLength = signature.length;
+    var scanLength = streamBytesLength - signatureLength;
+    var i = startIndex,
+        j,
+        found = false;
+
+    while (i < scanLength) {
+      j = 0;
+
+      while (j < signatureLength && streamBytes[i + j] === signature[j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        i += j;
+
+        while (i < streamBytesLength && (0, _core_utils.isWhiteSpace)(streamBytes[i])) {
+          i++;
+        }
+
+        found = true;
+        break;
+      }
+
+      i++;
+    }
+
+    return {
+      found: found,
+      length: i
+    };
+  }
+
+  function getHeaderBlock(stream, suggestedLength) {
+    var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];
+    var streamStartPos = stream.pos;
+    var headerBytes, headerBytesLength, block;
+
+    try {
+      headerBytes = stream.getBytes(suggestedLength);
+      headerBytesLength = headerBytes.length;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+    }
+
+    if (headerBytesLength === suggestedLength) {
+      block = findBlock(headerBytes, EEXEC_SIGNATURE, suggestedLength - 2 * EEXEC_SIGNATURE.length);
+
+      if (block.found && block.length === suggestedLength) {
+        return {
+          stream: new _stream.Stream(headerBytes),
+          length: suggestedLength
+        };
+      }
+    }
+
+    (0, _util.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');
+    stream.pos = streamStartPos;
+    var SCAN_BLOCK_LENGTH = 2048;
+    var actualLength;
+
+    while (true) {
+      var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+      block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);
+
+      if (block.length === 0) {
+        break;
+      }
+
+      stream.pos += block.length;
+
+      if (block.found) {
+        actualLength = stream.pos - streamStartPos;
+        break;
+      }
+    }
+
+    stream.pos = streamStartPos;
+
+    if (actualLength) {
+      return {
+        stream: new _stream.Stream(stream.getBytes(actualLength)),
+        length: actualLength
+      };
+    }
+
+    (0, _util.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');
+    return {
+      stream: new _stream.Stream(stream.getBytes(suggestedLength)),
+      length: suggestedLength
+    };
+  }
+
+  function getEexecBlock(stream, suggestedLength) {
+    var eexecBytes = stream.getBytes();
+    return {
+      stream: new _stream.Stream(eexecBytes),
+      length: eexecBytes.length
+    };
+  }
+
+  function Type1Font(name, file, properties) {
+    var PFB_HEADER_SIZE = 6;
+    var headerBlockLength = properties.length1;
+    var eexecBlockLength = properties.length2;
+    var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);
+    var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;
+
+    if (pfbHeaderPresent) {
+      file.skip(PFB_HEADER_SIZE);
+      headerBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var headerBlock = getHeaderBlock(file, headerBlockLength);
+    var headerBlockParser = new _type1_parser.Type1Parser(headerBlock.stream, false, SEAC_ANALYSIS_ENABLED);
+    headerBlockParser.extractFontHeader(properties);
+
+    if (pfbHeaderPresent) {
+      pfbHeader = file.getBytes(PFB_HEADER_SIZE);
+      eexecBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var eexecBlock = getEexecBlock(file, eexecBlockLength);
+    var eexecBlockParser = new _type1_parser.Type1Parser(eexecBlock.stream, true, SEAC_ANALYSIS_ENABLED);
+    var data = eexecBlockParser.extractFontProgram(properties);
+
+    for (var key in data.properties) {
+      properties[key] = data.properties[key];
+    }
+
+    var charstrings = data.charstrings;
+    var type2Charstrings = this.getType2Charstrings(charstrings);
+    var subrs = this.getType2Subrs(data.subrs);
+    this.charstrings = charstrings;
+    this.data = this.wrap(name, type2Charstrings, this.charstrings, subrs, properties);
+    this.seacs = this.getSeacs(data.charstrings);
+  }
+
+  Type1Font.prototype = {
+    get numGlyphs() {
+      return this.charstrings.length + 1;
+    },
+
+    getCharset: function Type1Font_getCharset() {
+      var charset = [".notdef"];
+      var charstrings = this.charstrings;
+
+      for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        charset.push(charstrings[glyphId].glyphName);
+      }
+
+      return charset;
+    },
+    getGlyphMapping: function Type1Font_getGlyphMapping(properties) {
+      var charstrings = this.charstrings;
+
+      if (properties.composite) {
+        var charCodeToGlyphId = Object.create(null);
+
+        for (var _glyphId = 0, charstringsLen = charstrings.length; _glyphId < charstringsLen; _glyphId++) {
+          var _charCode5 = properties.cMap.charCodeOf(_glyphId);
+
+          charCodeToGlyphId[_charCode5] = _glyphId + 1;
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var glyphNames = [".notdef"],
+          glyphId;
+
+      for (glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        glyphNames.push(charstrings[glyphId].glyphName);
+      }
+
+      var encoding = properties.builtInEncoding;
+
+      if (encoding) {
+        var builtInEncoding = Object.create(null);
+
+        for (var charCode in encoding) {
+          glyphId = glyphNames.indexOf(encoding[charCode]);
+
+          if (glyphId >= 0) {
+            builtInEncoding[charCode] = glyphId;
+          }
+        }
+      }
+
+      return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);
+    },
+    hasGlyphId: function Type1Font_hasGlyphID(id) {
+      if (id < 0 || id >= this.numGlyphs) {
+        return false;
+      }
+
+      if (id === 0) {
+        return true;
+      }
+
+      var glyph = this.charstrings[id - 1];
+      return glyph.charstring.length > 0;
+    },
+    getSeacs: function Type1Font_getSeacs(charstrings) {
+      var i, ii;
+      var seacMap = [];
+
+      for (i = 0, ii = charstrings.length; i < ii; i++) {
+        var charstring = charstrings[i];
+
+        if (charstring.seac) {
+          seacMap[i + 1] = charstring.seac;
+        }
+      }
+
+      return seacMap;
+    },
+    getType2Charstrings: function Type1Font_getType2Charstrings(type1Charstrings) {
+      var type2Charstrings = [];
+
+      for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {
+        type2Charstrings.push(type1Charstrings[i].charstring);
+      }
+
+      return type2Charstrings;
+    },
+    getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
+      var bias = 0;
+      var count = type1Subrs.length;
+
+      if (count < 1133) {
+        bias = 107;
+      } else if (count < 33769) {
+        bias = 1131;
+      } else {
+        bias = 32768;
+      }
+
+      var type2Subrs = [];
+      var i;
+
+      for (i = 0; i < bias; i++) {
+        type2Subrs.push([0x0b]);
+      }
+
+      for (i = 0; i < count; i++) {
+        type2Subrs.push(type1Subrs[i]);
+      }
+
+      return type2Subrs;
+    },
+    wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) {
+      var cff = new _cff_parser.CFF();
+      cff.header = new _cff_parser.CFFHeader(1, 0, 4, 4);
+      cff.names = [name];
+      var topDict = new _cff_parser.CFFTopDict();
+      topDict.setByName("version", 391);
+      topDict.setByName("Notice", 392);
+      topDict.setByName("FullName", 393);
+      topDict.setByName("FamilyName", 394);
+      topDict.setByName("Weight", 395);
+      topDict.setByName("Encoding", null);
+      topDict.setByName("FontMatrix", properties.fontMatrix);
+      topDict.setByName("FontBBox", properties.bbox);
+      topDict.setByName("charset", null);
+      topDict.setByName("CharStrings", null);
+      topDict.setByName("Private", null);
+      cff.topDict = topDict;
+      var strings = new _cff_parser.CFFStrings();
+      strings.add("Version 0.11");
+      strings.add("See original notice");
+      strings.add(name);
+      strings.add(name);
+      strings.add("Medium");
+      cff.strings = strings;
+      cff.globalSubrIndex = new _cff_parser.CFFIndex();
+      var count = glyphs.length;
+      var charsetArray = [".notdef"];
+      var i, ii;
+
+      for (i = 0; i < count; i++) {
+        var glyphName = charstrings[i].glyphName;
+
+        var index = _cff_parser.CFFStandardStrings.indexOf(glyphName);
+
+        if (index === -1) {
+          strings.add(glyphName);
+        }
+
+        charsetArray.push(glyphName);
+      }
+
+      cff.charset = new _cff_parser.CFFCharset(false, 0, charsetArray);
+      var charStringsIndex = new _cff_parser.CFFIndex();
+      charStringsIndex.add([0x8b, 0x0e]);
+
+      for (i = 0; i < count; i++) {
+        charStringsIndex.add(glyphs[i]);
+      }
+
+      cff.charStrings = charStringsIndex;
+      var privateDict = new _cff_parser.CFFPrivateDict();
+      privateDict.setByName("Subrs", null);
+      var fields = ["BlueValues", "OtherBlues", "FamilyBlues", "FamilyOtherBlues", "StemSnapH", "StemSnapV", "BlueShift", "BlueFuzz", "BlueScale", "LanguageGroup", "ExpansionFactor", "ForceBold", "StdHW", "StdVW"];
+
+      for (i = 0, ii = fields.length; i < ii; i++) {
+        var field = fields[i];
+
+        if (!(field in properties.privateData)) {
+          continue;
+        }
+
+        var value = properties.privateData[field];
+
+        if (Array.isArray(value)) {
+          for (var j = value.length - 1; j > 0; j--) {
+            value[j] -= value[j - 1];
+          }
+        }
+
+        privateDict.setByName(field, value);
+      }
+
+      cff.topDict.privateDict = privateDict;
+      var subrIndex = new _cff_parser.CFFIndex();
+
+      for (i = 0, ii = subrs.length; i < ii; i++) {
+        subrIndex.add(subrs[i]);
+      }
+
+      privateDict.subrsIndex = subrIndex;
+      var compiler = new _cff_parser.CFFCompiler(cff);
+      return compiler.compile();
+    }
+  };
+  return Type1Font;
+}();
+
+var CFFFont = function CFFFontClosure() {
+  function CFFFont(file, properties) {
+    this.properties = properties;
+    var parser = new _cff_parser.CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);
+    this.cff = parser.parse();
+    this.cff.duplicateFirstGlyph();
+    var compiler = new _cff_parser.CFFCompiler(this.cff);
+    this.seacs = this.cff.seacs;
+
+    try {
+      this.data = compiler.compile();
+    } catch (e) {
+      (0, _util.warn)("Failed to compile font " + properties.loadedName);
+      this.data = file;
+    }
+  }
+
+  CFFFont.prototype = {
+    get numGlyphs() {
+      return this.cff.charStrings.count;
+    },
+
+    getCharset: function CFFFont_getCharset() {
+      return this.cff.charset.charset;
+    },
+    getGlyphMapping: function CFFFont_getGlyphMapping() {
+      var cff = this.cff;
+      var properties = this.properties;
+      var charsets = cff.charset.charset;
+      var charCodeToGlyphId;
+      var glyphId;
+
+      if (properties.composite) {
+        charCodeToGlyphId = Object.create(null);
+        var charCode;
+
+        if (cff.isCIDFont) {
+          for (glyphId = 0; glyphId < charsets.length; glyphId++) {
+            var cid = charsets[glyphId];
+            charCode = properties.cMap.charCodeOf(cid);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        } else {
+          for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
+            charCode = properties.cMap.charCodeOf(glyphId);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var encoding = cff.encoding ? cff.encoding.encoding : null;
+      charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);
+      return charCodeToGlyphId;
+    },
+    hasGlyphId: function CFFFont_hasGlyphID(id) {
+      return this.cff.hasGlyphId(id);
+    }
+  };
+  return CFFFont;
+}();
+
+/***/ }),
+/* 228 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CFFFDSelect = exports.CFFCompiler = exports.CFFPrivateDict = exports.CFFTopDict = exports.CFFCharset = exports.CFFIndex = exports.CFFStrings = exports.CFFHeader = exports.CFF = exports.CFFParser = exports.CFFStandardStrings = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _charsets = __w_pdfjs_require__(229);
+
+var _encodings = __w_pdfjs_require__(230);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var MAX_SUBR_NESTING = 10;
+var CFFStandardStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003", "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold"];
+exports.CFFStandardStrings = CFFStandardStrings;
+var NUM_STANDARD_CFF_STRINGS = 391;
+
+var CFFParser = function CFFParserClosure() {
+  var CharstringValidationData = [null, {
+    id: "hstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, null, {
+    id: "vstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "vmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "rlineto",
+    min: 2,
+    resetStack: true
+  }, {
+    id: "hlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "vlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "rrcurveto",
+    min: 6,
+    resetStack: true
+  }, null, {
+    id: "callsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "return",
+    min: 0,
+    undefStack: true
+  }, null, null, {
+    id: "endchar",
+    min: 0,
+    stackClearing: true
+  }, null, null, null, {
+    id: "hstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "hintmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "cntrmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "rmoveto",
+    min: 2,
+    stackClearing: true
+  }, {
+    id: "hmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "vstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "rcurveline",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "rlinecurve",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "vvcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hhcurveto",
+    min: 4,
+    resetStack: true
+  }, null, {
+    id: "callgsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "vhcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hvcurveto",
+    min: 4,
+    resetStack: true
+  }];
+  var CharstringValidationData12 = [null, null, null, {
+    id: "and",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "or",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "not",
+    min: 1,
+    stackDelta: 0
+  }, null, null, null, {
+    id: "abs",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "add",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] + stack[index - 1];
+    }
+  }, {
+    id: "sub",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] - stack[index - 1];
+    }
+  }, {
+    id: "div",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] / stack[index - 1];
+    }
+  }, null, {
+    id: "neg",
+    min: 1,
+    stackDelta: 0,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 1] = -stack[index - 1];
+    }
+  }, {
+    id: "eq",
+    min: 2,
+    stackDelta: -1
+  }, null, null, {
+    id: "drop",
+    min: 1,
+    stackDelta: -1
+  }, null, {
+    id: "put",
+    min: 2,
+    stackDelta: -2
+  }, {
+    id: "get",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "ifelse",
+    min: 4,
+    stackDelta: -3
+  }, {
+    id: "random",
+    min: 0,
+    stackDelta: 1
+  }, {
+    id: "mul",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] * stack[index - 1];
+    }
+  }, null, {
+    id: "sqrt",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "dup",
+    min: 1,
+    stackDelta: 1
+  }, {
+    id: "exch",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "index",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "roll",
+    min: 3,
+    stackDelta: -2
+  }, null, null, null, {
+    id: "hflex",
+    min: 7,
+    resetStack: true
+  }, {
+    id: "flex",
+    min: 13,
+    resetStack: true
+  }, {
+    id: "hflex1",
+    min: 9,
+    resetStack: true
+  }, {
+    id: "flex1",
+    min: 11,
+    resetStack: true
+  }];
+
+  var CFFParser = /*#__PURE__*/function () {
+    function CFFParser(file, properties, seacAnalysisEnabled) {
+      _classCallCheck(this, CFFParser);
+
+      this.bytes = file.getBytes();
+      this.properties = properties;
+      this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    }
+
+    _createClass(CFFParser, [{
+      key: "parse",
+      value: function parse() {
+        var properties = this.properties;
+        var cff = new CFF();
+        this.cff = cff;
+        var header = this.parseHeader();
+        var nameIndex = this.parseIndex(header.endPos);
+        var topDictIndex = this.parseIndex(nameIndex.endPos);
+        var stringIndex = this.parseIndex(topDictIndex.endPos);
+        var globalSubrIndex = this.parseIndex(stringIndex.endPos);
+        var topDictParsed = this.parseDict(topDictIndex.obj.get(0));
+        var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);
+        cff.header = header.obj;
+        cff.names = this.parseNameIndex(nameIndex.obj);
+        cff.strings = this.parseStringIndex(stringIndex.obj);
+        cff.topDict = topDict;
+        cff.globalSubrIndex = globalSubrIndex.obj;
+        this.parsePrivateDict(cff.topDict);
+        cff.isCIDFont = topDict.hasName("ROS");
+        var charStringOffset = topDict.getByName("CharStrings");
+        var charStringIndex = this.parseIndex(charStringOffset).obj;
+        var fontMatrix = topDict.getByName("FontMatrix");
+
+        if (fontMatrix) {
+          properties.fontMatrix = fontMatrix;
+        }
+
+        var fontBBox = topDict.getByName("FontBBox");
+
+        if (fontBBox) {
+          properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+          properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+          properties.ascentScaled = true;
+        }
+
+        var charset, encoding;
+
+        if (cff.isCIDFont) {
+          var fdArrayIndex = this.parseIndex(topDict.getByName("FDArray")).obj;
+
+          for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {
+            var dictRaw = fdArrayIndex.get(i);
+            var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings);
+            this.parsePrivateDict(fontDict);
+            cff.fdArray.push(fontDict);
+          }
+
+          encoding = null;
+          charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, true);
+          cff.fdSelect = this.parseFDSelect(topDict.getByName("FDSelect"), charStringIndex.count);
+        } else {
+          charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, false);
+          encoding = this.parseEncoding(topDict.getByName("Encoding"), properties, cff.strings, charset.charset);
+        }
+
+        cff.charset = charset;
+        cff.encoding = encoding;
+        var charStringsAndSeacs = this.parseCharStrings({
+          charStrings: charStringIndex,
+          localSubrIndex: topDict.privateDict.subrsIndex,
+          globalSubrIndex: globalSubrIndex.obj,
+          fdSelect: cff.fdSelect,
+          fdArray: cff.fdArray,
+          privateDict: topDict.privateDict
+        });
+        cff.charStrings = charStringsAndSeacs.charStrings;
+        cff.seacs = charStringsAndSeacs.seacs;
+        cff.widths = charStringsAndSeacs.widths;
+        return cff;
+      }
+    }, {
+      key: "parseHeader",
+      value: function parseHeader() {
+        var bytes = this.bytes;
+        var bytesLength = bytes.length;
+        var offset = 0;
+
+        while (offset < bytesLength && bytes[offset] !== 1) {
+          ++offset;
+        }
+
+        if (offset >= bytesLength) {
+          throw new _util.FormatError("Invalid CFF header");
+        }
+
+        if (offset !== 0) {
+          (0, _util.info)("cff data is shifted");
+          bytes = bytes.subarray(offset);
+          this.bytes = bytes;
+        }
+
+        var major = bytes[0];
+        var minor = bytes[1];
+        var hdrSize = bytes[2];
+        var offSize = bytes[3];
+        var header = new CFFHeader(major, minor, hdrSize, offSize);
+        return {
+          obj: header,
+          endPos: hdrSize
+        };
+      }
+    }, {
+      key: "parseDict",
+      value: function parseDict(dict) {
+        var pos = 0;
+
+        function parseOperand() {
+          var value = dict[pos++];
+
+          if (value === 30) {
+            return parseFloatOperand();
+          } else if (value === 28) {
+            value = dict[pos++];
+            value = (value << 24 | dict[pos++] << 16) >> 16;
+            return value;
+          } else if (value === 29) {
+            value = dict[pos++];
+            value = value << 8 | dict[pos++];
+            value = value << 8 | dict[pos++];
+            value = value << 8 | dict[pos++];
+            return value;
+          } else if (value >= 32 && value <= 246) {
+            return value - 139;
+          } else if (value >= 247 && value <= 250) {
+            return (value - 247) * 256 + dict[pos++] + 108;
+          } else if (value >= 251 && value <= 254) {
+            return -((value - 251) * 256) - dict[pos++] - 108;
+          }
+
+          (0, _util.warn)('CFFParser_parseDict: "' + value + '" is a reserved command.');
+          return NaN;
+        }
+
+        function parseFloatOperand() {
+          var str = "";
+          var eof = 15;
+          var lookup = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "E", "E-", null, "-"];
+          var length = dict.length;
+
+          while (pos < length) {
+            var b = dict[pos++];
+            var b1 = b >> 4;
+            var b2 = b & 15;
+
+            if (b1 === eof) {
+              break;
+            }
+
+            str += lookup[b1];
+
+            if (b2 === eof) {
+              break;
+            }
+
+            str += lookup[b2];
+          }
+
+          return parseFloat(str);
+        }
+
+        var operands = [];
+        var entries = [];
+        pos = 0;
+        var end = dict.length;
+
+        while (pos < end) {
+          var b = dict[pos];
+
+          if (b <= 21) {
+            if (b === 12) {
+              b = b << 8 | dict[++pos];
+            }
+
+            entries.push([b, operands]);
+            operands = [];
+            ++pos;
+          } else {
+            operands.push(parseOperand());
+          }
+        }
+
+        return entries;
+      }
+    }, {
+      key: "parseIndex",
+      value: function parseIndex(pos) {
+        var cffIndex = new CFFIndex();
+        var bytes = this.bytes;
+        var count = bytes[pos++] << 8 | bytes[pos++];
+        var offsets = [];
+        var end = pos;
+        var i, ii;
+
+        if (count !== 0) {
+          var offsetSize = bytes[pos++];
+          var startPos = pos + (count + 1) * offsetSize - 1;
+
+          for (i = 0, ii = count + 1; i < ii; ++i) {
+            var offset = 0;
+
+            for (var j = 0; j < offsetSize; ++j) {
+              offset <<= 8;
+              offset += bytes[pos++];
+            }
+
+            offsets.push(startPos + offset);
+          }
+
+          end = offsets[count];
+        }
+
+        for (i = 0, ii = offsets.length - 1; i < ii; ++i) {
+          var offsetStart = offsets[i];
+          var offsetEnd = offsets[i + 1];
+          cffIndex.add(bytes.subarray(offsetStart, offsetEnd));
+        }
+
+        return {
+          obj: cffIndex,
+          endPos: end
+        };
+      }
+    }, {
+      key: "parseNameIndex",
+      value: function parseNameIndex(index) {
+        var names = [];
+
+        for (var i = 0, ii = index.count; i < ii; ++i) {
+          var name = index.get(i);
+          names.push((0, _util.bytesToString)(name));
+        }
+
+        return names;
+      }
+    }, {
+      key: "parseStringIndex",
+      value: function parseStringIndex(index) {
+        var strings = new CFFStrings();
+
+        for (var i = 0, ii = index.count; i < ii; ++i) {
+          var data = index.get(i);
+          strings.add((0, _util.bytesToString)(data));
+        }
+
+        return strings;
+      }
+    }, {
+      key: "createDict",
+      value: function createDict(Type, dict, strings) {
+        var cffDict = new Type(strings);
+
+        for (var i = 0, ii = dict.length; i < ii; ++i) {
+          var pair = dict[i];
+          var key = pair[0];
+          var value = pair[1];
+          cffDict.setByKey(key, value);
+        }
+
+        return cffDict;
+      }
+    }, {
+      key: "parseCharString",
+      value: function parseCharString(state, data, localSubrIndex, globalSubrIndex) {
+        if (!data || state.callDepth > MAX_SUBR_NESTING) {
+          return false;
+        }
+
+        var stackSize = state.stackSize;
+        var stack = state.stack;
+        var length = data.length;
+
+        for (var j = 0; j < length;) {
+          var value = data[j++];
+          var validationCommand = null;
+
+          if (value === 12) {
+            var q = data[j++];
+
+            if (q === 0) {
+              data[j - 2] = 139;
+              data[j - 1] = 22;
+              stackSize = 0;
+            } else {
+              validationCommand = CharstringValidationData12[q];
+            }
+          } else if (value === 28) {
+            stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16;
+            j += 2;
+            stackSize++;
+          } else if (value === 14) {
+            if (stackSize >= 4) {
+              stackSize -= 4;
+
+              if (this.seacAnalysisEnabled) {
+                state.seac = stack.slice(stackSize, stackSize + 4);
+                return false;
+              }
+            }
+
+            validationCommand = CharstringValidationData[value];
+          } else if (value >= 32 && value <= 246) {
+            stack[stackSize] = value - 139;
+            stackSize++;
+          } else if (value >= 247 && value <= 254) {
+            stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108;
+            j++;
+            stackSize++;
+          } else if (value === 255) {
+            stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536;
+            j += 4;
+            stackSize++;
+          } else if (value === 19 || value === 20) {
+            state.hints += stackSize >> 1;
+            j += state.hints + 7 >> 3;
+            stackSize %= 2;
+            validationCommand = CharstringValidationData[value];
+          } else if (value === 10 || value === 29) {
+            var subrsIndex;
+
+            if (value === 10) {
+              subrsIndex = localSubrIndex;
+            } else {
+              subrsIndex = globalSubrIndex;
+            }
+
+            if (!subrsIndex) {
+              validationCommand = CharstringValidationData[value];
+              (0, _util.warn)("Missing subrsIndex for " + validationCommand.id);
+              return false;
+            }
+
+            var bias = 32768;
+
+            if (subrsIndex.count < 1240) {
+              bias = 107;
+            } else if (subrsIndex.count < 33900) {
+              bias = 1131;
+            }
+
+            var subrNumber = stack[--stackSize] + bias;
+
+            if (subrNumber < 0 || subrNumber >= subrsIndex.count || isNaN(subrNumber)) {
+              validationCommand = CharstringValidationData[value];
+              (0, _util.warn)("Out of bounds subrIndex for " + validationCommand.id);
+              return false;
+            }
+
+            state.stackSize = stackSize;
+            state.callDepth++;
+            var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex);
+
+            if (!valid) {
+              return false;
+            }
+
+            state.callDepth--;
+            stackSize = state.stackSize;
+            continue;
+          } else if (value === 11) {
+            state.stackSize = stackSize;
+            return true;
+          } else {
+            validationCommand = CharstringValidationData[value];
+          }
+
+          if (validationCommand) {
+            if (validationCommand.stem) {
+              state.hints += stackSize >> 1;
+
+              if (value === 3 || value === 23) {
+                state.hasVStems = true;
+              } else if (state.hasVStems && (value === 1 || value === 18)) {
+                (0, _util.warn)("CFF stem hints are in wrong order");
+                data[j - 1] = value === 1 ? 3 : 23;
+              }
+            }
+
+            if ("min" in validationCommand) {
+              if (!state.undefStack && stackSize < validationCommand.min) {
+                (0, _util.warn)("Not enough parameters for " + validationCommand.id + "; actual: " + stackSize + ", expected: " + validationCommand.min);
+                return false;
+              }
+            }
+
+            if (state.firstStackClearing && validationCommand.stackClearing) {
+              state.firstStackClearing = false;
+              stackSize -= validationCommand.min;
+
+              if (stackSize >= 2 && validationCommand.stem) {
+                stackSize %= 2;
+              } else if (stackSize > 1) {
+                (0, _util.warn)("Found too many parameters for stack-clearing command");
+              }
+
+              if (stackSize > 0 && stack[stackSize - 1] >= 0) {
+                state.width = stack[stackSize - 1];
+              }
+            }
+
+            if ("stackDelta" in validationCommand) {
+              if ("stackFn" in validationCommand) {
+                validationCommand.stackFn(stack, stackSize);
+              }
+
+              stackSize += validationCommand.stackDelta;
+            } else if (validationCommand.stackClearing) {
+              stackSize = 0;
+            } else if (validationCommand.resetStack) {
+              stackSize = 0;
+              state.undefStack = false;
+            } else if (validationCommand.undefStack) {
+              stackSize = 0;
+              state.undefStack = true;
+              state.firstStackClearing = false;
+            }
+          }
+        }
+
+        state.stackSize = stackSize;
+        return true;
+      }
+    }, {
+      key: "parseCharStrings",
+      value: function parseCharStrings(_ref) {
+        var charStrings = _ref.charStrings,
+            localSubrIndex = _ref.localSubrIndex,
+            globalSubrIndex = _ref.globalSubrIndex,
+            fdSelect = _ref.fdSelect,
+            fdArray = _ref.fdArray,
+            privateDict = _ref.privateDict;
+        var seacs = [];
+        var widths = [];
+        var count = charStrings.count;
+
+        for (var i = 0; i < count; i++) {
+          var charstring = charStrings.get(i);
+          var state = {
+            callDepth: 0,
+            stackSize: 0,
+            stack: [],
+            undefStack: true,
+            hints: 0,
+            firstStackClearing: true,
+            seac: null,
+            width: null,
+            hasVStems: false
+          };
+          var valid = true;
+          var localSubrToUse = null;
+          var privateDictToUse = privateDict;
+
+          if (fdSelect && fdArray.length) {
+            var fdIndex = fdSelect.getFDIndex(i);
+
+            if (fdIndex === -1) {
+              (0, _util.warn)("Glyph index is not in fd select.");
+              valid = false;
+            }
+
+            if (fdIndex >= fdArray.length) {
+              (0, _util.warn)("Invalid fd index for glyph index.");
+              valid = false;
+            }
+
+            if (valid) {
+              privateDictToUse = fdArray[fdIndex].privateDict;
+              localSubrToUse = privateDictToUse.subrsIndex;
+            }
+          } else if (localSubrIndex) {
+            localSubrToUse = localSubrIndex;
+          }
+
+          if (valid) {
+            valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex);
+          }
+
+          if (state.width !== null) {
+            var nominalWidth = privateDictToUse.getByName("nominalWidthX");
+            widths[i] = nominalWidth + state.width;
+          } else {
+            var defaultWidth = privateDictToUse.getByName("defaultWidthX");
+            widths[i] = defaultWidth;
+          }
+
+          if (state.seac !== null) {
+            seacs[i] = state.seac;
+          }
+
+          if (!valid) {
+            charStrings.set(i, new Uint8Array([14]));
+          }
+        }
+
+        return {
+          charStrings: charStrings,
+          seacs: seacs,
+          widths: widths
+        };
+      }
+    }, {
+      key: "emptyPrivateDictionary",
+      value: function emptyPrivateDictionary(parentDict) {
+        var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);
+        parentDict.setByKey(18, [0, 0]);
+        parentDict.privateDict = privateDict;
+      }
+    }, {
+      key: "parsePrivateDict",
+      value: function parsePrivateDict(parentDict) {
+        if (!parentDict.hasName("Private")) {
+          this.emptyPrivateDictionary(parentDict);
+          return;
+        }
+
+        var privateOffset = parentDict.getByName("Private");
+
+        if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {
+          parentDict.removeByName("Private");
+          return;
+        }
+
+        var size = privateOffset[0];
+        var offset = privateOffset[1];
+
+        if (size === 0 || offset >= this.bytes.length) {
+          this.emptyPrivateDictionary(parentDict);
+          return;
+        }
+
+        var privateDictEnd = offset + size;
+        var dictData = this.bytes.subarray(offset, privateDictEnd);
+        var dict = this.parseDict(dictData);
+        var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings);
+        parentDict.privateDict = privateDict;
+
+        if (!privateDict.getByName("Subrs")) {
+          return;
+        }
+
+        var subrsOffset = privateDict.getByName("Subrs");
+        var relativeOffset = offset + subrsOffset;
+
+        if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {
+          this.emptyPrivateDictionary(parentDict);
+          return;
+        }
+
+        var subrsIndex = this.parseIndex(relativeOffset);
+        privateDict.subrsIndex = subrsIndex.obj;
+      }
+    }, {
+      key: "parseCharsets",
+      value: function parseCharsets(pos, length, strings, cid) {
+        if (pos === 0) {
+          return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, _charsets.ISOAdobeCharset);
+        } else if (pos === 1) {
+          return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, _charsets.ExpertCharset);
+        } else if (pos === 2) {
+          return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, _charsets.ExpertSubsetCharset);
+        }
+
+        var bytes = this.bytes;
+        var start = pos;
+        var format = bytes[pos++];
+        var charset = [cid ? 0 : ".notdef"];
+        var id, count, i;
+        length -= 1;
+
+        switch (format) {
+          case 0:
+            for (i = 0; i < length; i++) {
+              id = bytes[pos++] << 8 | bytes[pos++];
+              charset.push(cid ? id : strings.get(id));
+            }
+
+            break;
+
+          case 1:
+            while (charset.length <= length) {
+              id = bytes[pos++] << 8 | bytes[pos++];
+              count = bytes[pos++];
+
+              for (i = 0; i <= count; i++) {
+                charset.push(cid ? id++ : strings.get(id++));
+              }
+            }
+
+            break;
+
+          case 2:
+            while (charset.length <= length) {
+              id = bytes[pos++] << 8 | bytes[pos++];
+              count = bytes[pos++] << 8 | bytes[pos++];
+
+              for (i = 0; i <= count; i++) {
+                charset.push(cid ? id++ : strings.get(id++));
+              }
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError("Unknown charset format");
+        }
+
+        var end = pos;
+        var raw = bytes.subarray(start, end);
+        return new CFFCharset(false, format, charset, raw);
+      }
+    }, {
+      key: "parseEncoding",
+      value: function parseEncoding(pos, properties, strings, charset) {
+        var encoding = Object.create(null);
+        var bytes = this.bytes;
+        var predefined = false;
+        var format, i, ii;
+        var raw = null;
+
+        function readSupplement() {
+          var supplementsCount = bytes[pos++];
+
+          for (i = 0; i < supplementsCount; i++) {
+            var code = bytes[pos++];
+            var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);
+            encoding[code] = charset.indexOf(strings.get(sid));
+          }
+        }
+
+        if (pos === 0 || pos === 1) {
+          predefined = true;
+          format = pos;
+          var baseEncoding = pos ? _encodings.ExpertEncoding : _encodings.StandardEncoding;
+
+          for (i = 0, ii = charset.length; i < ii; i++) {
+            var index = baseEncoding.indexOf(charset[i]);
+
+            if (index !== -1) {
+              encoding[index] = i;
+            }
+          }
+        } else {
+          var dataStart = pos;
+          format = bytes[pos++];
+
+          switch (format & 0x7f) {
+            case 0:
+              var glyphsCount = bytes[pos++];
+
+              for (i = 1; i <= glyphsCount; i++) {
+                encoding[bytes[pos++]] = i;
+              }
+
+              break;
+
+            case 1:
+              var rangesCount = bytes[pos++];
+              var gid = 1;
+
+              for (i = 0; i < rangesCount; i++) {
+                var start = bytes[pos++];
+                var left = bytes[pos++];
+
+                for (var j = start; j <= start + left; j++) {
+                  encoding[j] = gid++;
+                }
+              }
+
+              break;
+
+            default:
+              throw new _util.FormatError("Unknown encoding format: ".concat(format, " in CFF"));
+          }
+
+          var dataEnd = pos;
+
+          if (format & 0x80) {
+            bytes[dataStart] &= 0x7f;
+            readSupplement();
+          }
+
+          raw = bytes.subarray(dataStart, dataEnd);
+        }
+
+        format = format & 0x7f;
+        return new CFFEncoding(predefined, format, encoding, raw);
+      }
+    }, {
+      key: "parseFDSelect",
+      value: function parseFDSelect(pos, length) {
+        var bytes = this.bytes;
+        var format = bytes[pos++];
+        var fdSelect = [];
+        var i;
+
+        switch (format) {
+          case 0:
+            for (i = 0; i < length; ++i) {
+              var id = bytes[pos++];
+              fdSelect.push(id);
+            }
+
+            break;
+
+          case 3:
+            var rangesCount = bytes[pos++] << 8 | bytes[pos++];
+
+            for (i = 0; i < rangesCount; ++i) {
+              var first = bytes[pos++] << 8 | bytes[pos++];
+
+              if (i === 0 && first !== 0) {
+                (0, _util.warn)("parseFDSelect: The first range must have a first GID of 0" + " -- trying to recover.");
+                first = 0;
+              }
+
+              var fdIndex = bytes[pos++];
+              var next = bytes[pos] << 8 | bytes[pos + 1];
+
+              for (var j = first; j < next; ++j) {
+                fdSelect.push(fdIndex);
+              }
+            }
+
+            pos += 2;
+            break;
+
+          default:
+            throw new _util.FormatError("parseFDSelect: Unknown format \"".concat(format, "\"."));
+        }
+
+        if (fdSelect.length !== length) {
+          throw new _util.FormatError("parseFDSelect: Invalid font data.");
+        }
+
+        return new CFFFDSelect(format, fdSelect);
+      }
+    }]);
+
+    return CFFParser;
+  }();
+
+  return CFFParser;
+}();
+
+exports.CFFParser = CFFParser;
+
+var CFF = /*#__PURE__*/function () {
+  function CFF() {
+    _classCallCheck(this, CFF);
+
+    this.header = null;
+    this.names = [];
+    this.topDict = null;
+    this.strings = new CFFStrings();
+    this.globalSubrIndex = null;
+    this.encoding = null;
+    this.charset = null;
+    this.charStrings = null;
+    this.fdArray = [];
+    this.fdSelect = null;
+    this.isCIDFont = false;
+  }
+
+  _createClass(CFF, [{
+    key: "duplicateFirstGlyph",
+    value: function duplicateFirstGlyph() {
+      if (this.charStrings.count >= 65535) {
+        (0, _util.warn)("Not enough space in charstrings to duplicate first glyph.");
+        return;
+      }
+
+      var glyphZero = this.charStrings.get(0);
+      this.charStrings.add(glyphZero);
+
+      if (this.isCIDFont) {
+        this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]);
+      }
+    }
+  }, {
+    key: "hasGlyphId",
+    value: function hasGlyphId(id) {
+      if (id < 0 || id >= this.charStrings.count) {
+        return false;
+      }
+
+      var glyph = this.charStrings.get(id);
+      return glyph.length > 0;
+    }
+  }]);
+
+  return CFF;
+}();
+
+exports.CFF = CFF;
+
+var CFFHeader = function CFFHeader(major, minor, hdrSize, offSize) {
+  _classCallCheck(this, CFFHeader);
+
+  this.major = major;
+  this.minor = minor;
+  this.hdrSize = hdrSize;
+  this.offSize = offSize;
+};
+
+exports.CFFHeader = CFFHeader;
+
+var CFFStrings = /*#__PURE__*/function () {
+  function CFFStrings() {
+    _classCallCheck(this, CFFStrings);
+
+    this.strings = [];
+  }
+
+  _createClass(CFFStrings, [{
+    key: "get",
+    value: function get(index) {
+      if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) {
+        return CFFStandardStrings[index];
+      }
+
+      if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) {
+        return this.strings[index - NUM_STANDARD_CFF_STRINGS];
+      }
+
+      return CFFStandardStrings[0];
+    }
+  }, {
+    key: "getSID",
+    value: function getSID(str) {
+      var index = CFFStandardStrings.indexOf(str);
+
+      if (index !== -1) {
+        return index;
+      }
+
+      index = this.strings.indexOf(str);
+
+      if (index !== -1) {
+        return index + NUM_STANDARD_CFF_STRINGS;
+      }
+
+      return -1;
+    }
+  }, {
+    key: "add",
+    value: function add(value) {
+      this.strings.push(value);
+    }
+  }, {
+    key: "count",
+    get: function get() {
+      return this.strings.length;
+    }
+  }]);
+
+  return CFFStrings;
+}();
+
+exports.CFFStrings = CFFStrings;
+
+var CFFIndex = /*#__PURE__*/function () {
+  function CFFIndex() {
+    _classCallCheck(this, CFFIndex);
+
+    this.objects = [];
+    this.length = 0;
+  }
+
+  _createClass(CFFIndex, [{
+    key: "add",
+    value: function add(data) {
+      this.length += data.length;
+      this.objects.push(data);
+    }
+  }, {
+    key: "set",
+    value: function set(index, data) {
+      this.length += data.length - this.objects[index].length;
+      this.objects[index] = data;
+    }
+  }, {
+    key: "get",
+    value: function get(index) {
+      return this.objects[index];
+    }
+  }, {
+    key: "count",
+    get: function get() {
+      return this.objects.length;
+    }
+  }]);
+
+  return CFFIndex;
+}();
+
+exports.CFFIndex = CFFIndex;
+
+var CFFDict = /*#__PURE__*/function () {
+  function CFFDict(tables, strings) {
+    _classCallCheck(this, CFFDict);
+
+    this.keyToNameMap = tables.keyToNameMap;
+    this.nameToKeyMap = tables.nameToKeyMap;
+    this.defaults = tables.defaults;
+    this.types = tables.types;
+    this.opcodes = tables.opcodes;
+    this.order = tables.order;
+    this.strings = strings;
+    this.values = Object.create(null);
+  }
+
+  _createClass(CFFDict, [{
+    key: "setByKey",
+    value: function setByKey(key, value) {
+      if (!(key in this.keyToNameMap)) {
+        return false;
+      }
+
+      var valueLength = value.length;
+
+      if (valueLength === 0) {
+        return true;
+      }
+
+      for (var i = 0; i < valueLength; i++) {
+        if (isNaN(value[i])) {
+          (0, _util.warn)('Invalid CFFDict value: "' + value + '" for key "' + key + '".');
+          return true;
+        }
+      }
+
+      var type = this.types[key];
+
+      if (type === "num" || type === "sid" || type === "offset") {
+        value = value[0];
+      }
+
+      this.values[key] = value;
+      return true;
+    }
+  }, {
+    key: "setByName",
+    value: function setByName(name, value) {
+      if (!(name in this.nameToKeyMap)) {
+        throw new _util.FormatError("Invalid dictionary name \"".concat(name, "\""));
+      }
+
+      this.values[this.nameToKeyMap[name]] = value;
+    }
+  }, {
+    key: "hasName",
+    value: function hasName(name) {
+      return this.nameToKeyMap[name] in this.values;
+    }
+  }, {
+    key: "getByName",
+    value: function getByName(name) {
+      if (!(name in this.nameToKeyMap)) {
+        throw new _util.FormatError("Invalid dictionary name ".concat(name, "\""));
+      }
+
+      var key = this.nameToKeyMap[name];
+
+      if (!(key in this.values)) {
+        return this.defaults[key];
+      }
+
+      return this.values[key];
+    }
+  }, {
+    key: "removeByName",
+    value: function removeByName(name) {
+      delete this.values[this.nameToKeyMap[name]];
+    }
+  }], [{
+    key: "createTables",
+    value: function createTables(layout) {
+      var tables = {
+        keyToNameMap: {},
+        nameToKeyMap: {},
+        defaults: {},
+        types: {},
+        opcodes: {},
+        order: []
+      };
+
+      for (var i = 0, ii = layout.length; i < ii; ++i) {
+        var entry = layout[i];
+        var key = Array.isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0];
+        tables.keyToNameMap[key] = entry[1];
+        tables.nameToKeyMap[entry[1]] = key;
+        tables.types[key] = entry[2];
+        tables.defaults[key] = entry[3];
+        tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];
+        tables.order.push(key);
+      }
+
+      return tables;
+    }
+  }]);
+
+  return CFFDict;
+}();
+
+var CFFTopDict = function CFFTopDictClosure() {
+  var layout = [[[12, 30], "ROS", ["sid", "sid", "num"], null], [[12, 20], "SyntheticBase", "num", null], [0, "version", "sid", null], [1, "Notice", "sid", null], [[12, 0], "Copyright", "sid", null], [2, "FullName", "sid", null], [3, "FamilyName", "sid", null], [4, "Weight", "sid", null], [[12, 1], "isFixedPitch", "num", 0], [[12, 2], "ItalicAngle", "num", 0], [[12, 3], "UnderlinePosition", "num", -100], [[12, 4], "UnderlineThickness", "num", 50], [[12, 5], "PaintType", "num", 0], [[12, 6], "CharstringType", "num", 2], [[12, 7], "FontMatrix", ["num", "num", "num", "num", "num", "num"], [0.001, 0, 0, 0.001, 0, 0]], [13, "UniqueID", "num", null], [5, "FontBBox", ["num", "num", "num", "num"], [0, 0, 0, 0]], [[12, 8], "StrokeWidth", "num", 0], [14, "XUID", "array", null], [15, "charset", "offset", 0], [16, "Encoding", "offset", 0], [17, "CharStrings", "offset", 0], [18, "Private", ["offset", "offset"], null], [[12, 21], "PostScript", "sid", null], [[12, 22], "BaseFontName", "sid", null], [[12, 23], "BaseFontBlend", "delta", null], [[12, 31], "CIDFontVersion", "num", 0], [[12, 32], "CIDFontRevision", "num", 0], [[12, 33], "CIDFontType", "num", 0], [[12, 34], "CIDCount", "num", 8720], [[12, 35], "UIDBase", "num", null], [[12, 37], "FDSelect", "offset", null], [[12, 36], "FDArray", "offset", null], [[12, 38], "FontName", "sid", null]];
+  var tables = null;
+
+  var CFFTopDict = /*#__PURE__*/function (_CFFDict) {
+    _inherits(CFFTopDict, _CFFDict);
+
+    var _super = _createSuper(CFFTopDict);
+
+    function CFFTopDict(strings) {
+      var _this;
+
+      _classCallCheck(this, CFFTopDict);
+
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      _this = _super.call(this, tables, strings);
+      _this.privateDict = null;
+      return _this;
+    }
+
+    return CFFTopDict;
+  }(CFFDict);
+
+  return CFFTopDict;
+}();
+
+exports.CFFTopDict = CFFTopDict;
+
+var CFFPrivateDict = function CFFPrivateDictClosure() {
+  var layout = [[6, "BlueValues", "delta", null], [7, "OtherBlues", "delta", null], [8, "FamilyBlues", "delta", null], [9, "FamilyOtherBlues", "delta", null], [[12, 9], "BlueScale", "num", 0.039625], [[12, 10], "BlueShift", "num", 7], [[12, 11], "BlueFuzz", "num", 1], [10, "StdHW", "num", null], [11, "StdVW", "num", null], [[12, 12], "StemSnapH", "delta", null], [[12, 13], "StemSnapV", "delta", null], [[12, 14], "ForceBold", "num", 0], [[12, 17], "LanguageGroup", "num", 0], [[12, 18], "ExpansionFactor", "num", 0.06], [[12, 19], "initialRandomSeed", "num", 0], [20, "defaultWidthX", "num", 0], [21, "nominalWidthX", "num", 0], [19, "Subrs", "offset", null]];
+  var tables = null;
+
+  var CFFPrivateDict = /*#__PURE__*/function (_CFFDict2) {
+    _inherits(CFFPrivateDict, _CFFDict2);
+
+    var _super2 = _createSuper(CFFPrivateDict);
+
+    function CFFPrivateDict(strings) {
+      var _this2;
+
+      _classCallCheck(this, CFFPrivateDict);
+
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      _this2 = _super2.call(this, tables, strings);
+      _this2.subrsIndex = null;
+      return _this2;
+    }
+
+    return CFFPrivateDict;
+  }(CFFDict);
+
+  return CFFPrivateDict;
+}();
+
+exports.CFFPrivateDict = CFFPrivateDict;
+var CFFCharsetPredefinedTypes = {
+  ISO_ADOBE: 0,
+  EXPERT: 1,
+  EXPERT_SUBSET: 2
+};
+
+var CFFCharset = function CFFCharset(predefined, format, charset, raw) {
+  _classCallCheck(this, CFFCharset);
+
+  this.predefined = predefined;
+  this.format = format;
+  this.charset = charset;
+  this.raw = raw;
+};
+
+exports.CFFCharset = CFFCharset;
+
+var CFFEncoding = function CFFEncoding(predefined, format, encoding, raw) {
+  _classCallCheck(this, CFFEncoding);
+
+  this.predefined = predefined;
+  this.format = format;
+  this.encoding = encoding;
+  this.raw = raw;
+};
+
+var CFFFDSelect = /*#__PURE__*/function () {
+  function CFFFDSelect(format, fdSelect) {
+    _classCallCheck(this, CFFFDSelect);
+
+    this.format = format;
+    this.fdSelect = fdSelect;
+  }
+
+  _createClass(CFFFDSelect, [{
+    key: "getFDIndex",
+    value: function getFDIndex(glyphIndex) {
+      if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {
+        return -1;
+      }
+
+      return this.fdSelect[glyphIndex];
+    }
+  }]);
+
+  return CFFFDSelect;
+}();
+
+exports.CFFFDSelect = CFFFDSelect;
+
+var CFFOffsetTracker = /*#__PURE__*/function () {
+  function CFFOffsetTracker() {
+    _classCallCheck(this, CFFOffsetTracker);
+
+    this.offsets = Object.create(null);
+  }
+
+  _createClass(CFFOffsetTracker, [{
+    key: "isTracking",
+    value: function isTracking(key) {
+      return key in this.offsets;
+    }
+  }, {
+    key: "track",
+    value: function track(key, location) {
+      if (key in this.offsets) {
+        throw new _util.FormatError("Already tracking location of ".concat(key));
+      }
+
+      this.offsets[key] = location;
+    }
+  }, {
+    key: "offset",
+    value: function offset(value) {
+      for (var key in this.offsets) {
+        this.offsets[key] += value;
+      }
+    }
+  }, {
+    key: "setEntryLocation",
+    value: function setEntryLocation(key, values, output) {
+      if (!(key in this.offsets)) {
+        throw new _util.FormatError("Not tracking location of ".concat(key));
+      }
+
+      var data = output.data;
+      var dataOffset = this.offsets[key];
+      var size = 5;
+
+      for (var i = 0, ii = values.length; i < ii; ++i) {
+        var offset0 = i * size + dataOffset;
+        var offset1 = offset0 + 1;
+        var offset2 = offset0 + 2;
+        var offset3 = offset0 + 3;
+        var offset4 = offset0 + 4;
+
+        if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) {
+          throw new _util.FormatError("writing to an offset that is not empty");
+        }
+
+        var value = values[i];
+        data[offset0] = 0x1d;
+        data[offset1] = value >> 24 & 0xff;
+        data[offset2] = value >> 16 & 0xff;
+        data[offset3] = value >> 8 & 0xff;
+        data[offset4] = value & 0xff;
+      }
+    }
+  }]);
+
+  return CFFOffsetTracker;
+}();
+
+var CFFCompiler = /*#__PURE__*/function () {
+  function CFFCompiler(cff) {
+    _classCallCheck(this, CFFCompiler);
+
+    this.cff = cff;
+  }
+
+  _createClass(CFFCompiler, [{
+    key: "compile",
+    value: function compile() {
+      var cff = this.cff;
+      var output = {
+        data: [],
+        length: 0,
+        add: function CFFCompiler_add(data) {
+          this.data = this.data.concat(data);
+          this.length = this.data.length;
+        }
+      };
+      var header = this.compileHeader(cff.header);
+      output.add(header);
+      var nameIndex = this.compileNameIndex(cff.names);
+      output.add(nameIndex);
+
+      if (cff.isCIDFont) {
+        if (cff.topDict.hasName("FontMatrix")) {
+          var base = cff.topDict.getByName("FontMatrix");
+          cff.topDict.removeByName("FontMatrix");
+
+          for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {
+            var subDict = cff.fdArray[i];
+            var matrix = base.slice(0);
+
+            if (subDict.hasName("FontMatrix")) {
+              matrix = _util.Util.transform(matrix, subDict.getByName("FontMatrix"));
+            }
+
+            subDict.setByName("FontMatrix", matrix);
+          }
+        }
+      }
+
+      cff.topDict.setByName("charset", 0);
+      var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont);
+      output.add(compiled.output);
+      var topDictTracker = compiled.trackers[0];
+      var stringIndex = this.compileStringIndex(cff.strings.strings);
+      output.add(stringIndex);
+      var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);
+      output.add(globalSubrIndex);
+
+      if (cff.encoding && cff.topDict.hasName("Encoding")) {
+        if (cff.encoding.predefined) {
+          topDictTracker.setEntryLocation("Encoding", [cff.encoding.format], output);
+        } else {
+          var encoding = this.compileEncoding(cff.encoding);
+          topDictTracker.setEntryLocation("Encoding", [output.length], output);
+          output.add(encoding);
+        }
+      }
+
+      var charset = this.compileCharset(cff.charset, cff.charStrings.count, cff.strings, cff.isCIDFont);
+      topDictTracker.setEntryLocation("charset", [output.length], output);
+      output.add(charset);
+      var charStrings = this.compileCharStrings(cff.charStrings);
+      topDictTracker.setEntryLocation("CharStrings", [output.length], output);
+      output.add(charStrings);
+
+      if (cff.isCIDFont) {
+        topDictTracker.setEntryLocation("FDSelect", [output.length], output);
+        var fdSelect = this.compileFDSelect(cff.fdSelect);
+        output.add(fdSelect);
+        compiled = this.compileTopDicts(cff.fdArray, output.length, true);
+        topDictTracker.setEntryLocation("FDArray", [output.length], output);
+        output.add(compiled.output);
+        var fontDictTrackers = compiled.trackers;
+        this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);
+      }
+
+      this.compilePrivateDicts([cff.topDict], [topDictTracker], output);
+      output.add([0]);
+      return output.data;
+    }
+  }, {
+    key: "encodeNumber",
+    value: function encodeNumber(value) {
+      if (Number.isInteger(value)) {
+        return this.encodeInteger(value);
+      }
+
+      return this.encodeFloat(value);
+    }
+  }, {
+    key: "encodeFloat",
+    value: function encodeFloat(num) {
+      var value = num.toString();
+      var m = CFFCompiler.EncodeFloatRegExp.exec(value);
+
+      if (m) {
+        var epsilon = parseFloat("1e" + ((m[2] ? +m[2] : 0) + m[1].length));
+        value = (Math.round(num * epsilon) / epsilon).toString();
+      }
+
+      var nibbles = "";
+      var i, ii;
+
+      for (i = 0, ii = value.length; i < ii; ++i) {
+        var a = value[i];
+
+        if (a === "e") {
+          nibbles += value[++i] === "-" ? "c" : "b";
+        } else if (a === ".") {
+          nibbles += "a";
+        } else if (a === "-") {
+          nibbles += "e";
+        } else {
+          nibbles += a;
+        }
+      }
+
+      nibbles += nibbles.length & 1 ? "f" : "ff";
+      var out = [30];
+
+      for (i = 0, ii = nibbles.length; i < ii; i += 2) {
+        out.push(parseInt(nibbles.substring(i, i + 2), 16));
+      }
+
+      return out;
+    }
+  }, {
+    key: "encodeInteger",
+    value: function encodeInteger(value) {
+      var code;
+
+      if (value >= -107 && value <= 107) {
+        code = [value + 139];
+      } else if (value >= 108 && value <= 1131) {
+        value = value - 108;
+        code = [(value >> 8) + 247, value & 0xff];
+      } else if (value >= -1131 && value <= -108) {
+        value = -value - 108;
+        code = [(value >> 8) + 251, value & 0xff];
+      } else if (value >= -32768 && value <= 32767) {
+        code = [0x1c, value >> 8 & 0xff, value & 0xff];
+      } else {
+        code = [0x1d, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff];
+      }
+
+      return code;
+    }
+  }, {
+    key: "compileHeader",
+    value: function compileHeader(header) {
+      return [header.major, header.minor, header.hdrSize, header.offSize];
+    }
+  }, {
+    key: "compileNameIndex",
+    value: function compileNameIndex(names) {
+      var nameIndex = new CFFIndex();
+
+      for (var i = 0, ii = names.length; i < ii; ++i) {
+        var name = names[i];
+        var length = Math.min(name.length, 127);
+        var sanitizedName = new Array(length);
+
+        for (var j = 0; j < length; j++) {
+          var _char = name[j];
+
+          if (_char < "!" || _char > "~" || _char === "[" || _char === "]" || _char === "(" || _char === ")" || _char === "{" || _char === "}" || _char === "<" || _char === ">" || _char === "/" || _char === "%") {
+            _char = "_";
+          }
+
+          sanitizedName[j] = _char;
+        }
+
+        sanitizedName = sanitizedName.join("");
+
+        if (sanitizedName === "") {
+          sanitizedName = "Bad_Font_Name";
+        }
+
+        nameIndex.add((0, _util.stringToBytes)(sanitizedName));
+      }
+
+      return this.compileIndex(nameIndex);
+    }
+  }, {
+    key: "compileTopDicts",
+    value: function compileTopDicts(dicts, length, removeCidKeys) {
+      var fontDictTrackers = [];
+      var fdArrayIndex = new CFFIndex();
+
+      for (var i = 0, ii = dicts.length; i < ii; ++i) {
+        var fontDict = dicts[i];
+
+        if (removeCidKeys) {
+          fontDict.removeByName("CIDFontVersion");
+          fontDict.removeByName("CIDFontRevision");
+          fontDict.removeByName("CIDFontType");
+          fontDict.removeByName("CIDCount");
+          fontDict.removeByName("UIDBase");
+        }
+
+        var fontDictTracker = new CFFOffsetTracker();
+        var fontDictData = this.compileDict(fontDict, fontDictTracker);
+        fontDictTrackers.push(fontDictTracker);
+        fdArrayIndex.add(fontDictData);
+        fontDictTracker.offset(length);
+      }
+
+      fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);
+      return {
+        trackers: fontDictTrackers,
+        output: fdArrayIndex
+      };
+    }
+  }, {
+    key: "compilePrivateDicts",
+    value: function compilePrivateDicts(dicts, trackers, output) {
+      for (var i = 0, ii = dicts.length; i < ii; ++i) {
+        var fontDict = dicts[i];
+        var privateDict = fontDict.privateDict;
+
+        if (!privateDict || !fontDict.hasName("Private")) {
+          throw new _util.FormatError("There must be a private dictionary.");
+        }
+
+        var privateDictTracker = new CFFOffsetTracker();
+        var privateDictData = this.compileDict(privateDict, privateDictTracker);
+        var outputLength = output.length;
+        privateDictTracker.offset(outputLength);
+
+        if (!privateDictData.length) {
+          outputLength = 0;
+        }
+
+        trackers[i].setEntryLocation("Private", [privateDictData.length, outputLength], output);
+        output.add(privateDictData);
+
+        if (privateDict.subrsIndex && privateDict.hasName("Subrs")) {
+          var subrs = this.compileIndex(privateDict.subrsIndex);
+          privateDictTracker.setEntryLocation("Subrs", [privateDictData.length], output);
+          output.add(subrs);
+        }
+      }
+    }
+  }, {
+    key: "compileDict",
+    value: function compileDict(dict, offsetTracker) {
+      var out = [];
+      var order = dict.order;
+
+      for (var i = 0; i < order.length; ++i) {
+        var key = order[i];
+
+        if (!(key in dict.values)) {
+          continue;
+        }
+
+        var values = dict.values[key];
+        var types = dict.types[key];
+
+        if (!Array.isArray(types)) {
+          types = [types];
+        }
+
+        if (!Array.isArray(values)) {
+          values = [values];
+        }
+
+        if (values.length === 0) {
+          continue;
+        }
+
+        for (var j = 0, jj = types.length; j < jj; ++j) {
+          var type = types[j];
+          var value = values[j];
+
+          switch (type) {
+            case "num":
+            case "sid":
+              out = out.concat(this.encodeNumber(value));
+              break;
+
+            case "offset":
+              var name = dict.keyToNameMap[key];
+
+              if (!offsetTracker.isTracking(name)) {
+                offsetTracker.track(name, out.length);
+              }
+
+              out = out.concat([0x1d, 0, 0, 0, 0]);
+              break;
+
+            case "array":
+            case "delta":
+              out = out.concat(this.encodeNumber(value));
+
+              for (var k = 1, kk = values.length; k < kk; ++k) {
+                out = out.concat(this.encodeNumber(values[k]));
+              }
+
+              break;
+
+            default:
+              throw new _util.FormatError("Unknown data type of ".concat(type));
+          }
+        }
+
+        out = out.concat(dict.opcodes[key]);
+      }
+
+      return out;
+    }
+  }, {
+    key: "compileStringIndex",
+    value: function compileStringIndex(strings) {
+      var stringIndex = new CFFIndex();
+
+      for (var i = 0, ii = strings.length; i < ii; ++i) {
+        stringIndex.add((0, _util.stringToBytes)(strings[i]));
+      }
+
+      return this.compileIndex(stringIndex);
+    }
+  }, {
+    key: "compileGlobalSubrIndex",
+    value: function compileGlobalSubrIndex() {
+      var globalSubrIndex = this.cff.globalSubrIndex;
+      this.out.writeByteArray(this.compileIndex(globalSubrIndex));
+    }
+  }, {
+    key: "compileCharStrings",
+    value: function compileCharStrings(charStrings) {
+      var charStringsIndex = new CFFIndex();
+
+      for (var i = 0; i < charStrings.count; i++) {
+        var glyph = charStrings.get(i);
+
+        if (glyph.length === 0) {
+          charStringsIndex.add(new Uint8Array([0x8b, 0x0e]));
+          continue;
+        }
+
+        charStringsIndex.add(glyph);
+      }
+
+      return this.compileIndex(charStringsIndex);
+    }
+  }, {
+    key: "compileCharset",
+    value: function compileCharset(charset, numGlyphs, strings, isCIDFont) {
+      var out;
+      var numGlyphsLessNotDef = numGlyphs - 1;
+
+      if (isCIDFont) {
+        out = new Uint8Array([2, 0, 0, numGlyphsLessNotDef >> 8 & 0xff, numGlyphsLessNotDef & 0xff]);
+      } else {
+        var length = 1 + numGlyphsLessNotDef * 2;
+        out = new Uint8Array(length);
+        out[0] = 0;
+        var charsetIndex = 0;
+        var numCharsets = charset.charset.length;
+        var warned = false;
+
+        for (var i = 1; i < out.length; i += 2) {
+          var sid = 0;
+
+          if (charsetIndex < numCharsets) {
+            var name = charset.charset[charsetIndex++];
+            sid = strings.getSID(name);
+
+            if (sid === -1) {
+              sid = 0;
+
+              if (!warned) {
+                warned = true;
+                (0, _util.warn)("Couldn't find ".concat(name, " in CFF strings"));
+              }
+            }
+          }
+
+          out[i] = sid >> 8 & 0xff;
+          out[i + 1] = sid & 0xff;
+        }
+      }
+
+      return this.compileTypedArray(out);
+    }
+  }, {
+    key: "compileEncoding",
+    value: function compileEncoding(encoding) {
+      return this.compileTypedArray(encoding.raw);
+    }
+  }, {
+    key: "compileFDSelect",
+    value: function compileFDSelect(fdSelect) {
+      var format = fdSelect.format;
+      var out, i;
+
+      switch (format) {
+        case 0:
+          out = new Uint8Array(1 + fdSelect.fdSelect.length);
+          out[0] = format;
+
+          for (i = 0; i < fdSelect.fdSelect.length; i++) {
+            out[i + 1] = fdSelect.fdSelect[i];
+          }
+
+          break;
+
+        case 3:
+          var start = 0;
+          var lastFD = fdSelect.fdSelect[0];
+          var ranges = [format, 0, 0, start >> 8 & 0xff, start & 0xff, lastFD];
+
+          for (i = 1; i < fdSelect.fdSelect.length; i++) {
+            var currentFD = fdSelect.fdSelect[i];
+
+            if (currentFD !== lastFD) {
+              ranges.push(i >> 8 & 0xff, i & 0xff, currentFD);
+              lastFD = currentFD;
+            }
+          }
+
+          var numRanges = (ranges.length - 3) / 3;
+          ranges[1] = numRanges >> 8 & 0xff;
+          ranges[2] = numRanges & 0xff;
+          ranges.push(i >> 8 & 0xff, i & 0xff);
+          out = new Uint8Array(ranges);
+          break;
+      }
+
+      return this.compileTypedArray(out);
+    }
+  }, {
+    key: "compileTypedArray",
+    value: function compileTypedArray(data) {
+      var out = [];
+
+      for (var i = 0, ii = data.length; i < ii; ++i) {
+        out[i] = data[i];
+      }
+
+      return out;
+    }
+  }, {
+    key: "compileIndex",
+    value: function compileIndex(index) {
+      var trackers = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+      var objects = index.objects;
+      var count = objects.length;
+
+      if (count === 0) {
+        return [0, 0, 0];
+      }
+
+      var data = [count >> 8 & 0xff, count & 0xff];
+      var lastOffset = 1,
+          i;
+
+      for (i = 0; i < count; ++i) {
+        lastOffset += objects[i].length;
+      }
+
+      var offsetSize;
+
+      if (lastOffset < 0x100) {
+        offsetSize = 1;
+      } else if (lastOffset < 0x10000) {
+        offsetSize = 2;
+      } else if (lastOffset < 0x1000000) {
+        offsetSize = 3;
+      } else {
+        offsetSize = 4;
+      }
+
+      data.push(offsetSize);
+      var relativeOffset = 1;
+
+      for (i = 0; i < count + 1; i++) {
+        if (offsetSize === 1) {
+          data.push(relativeOffset & 0xff);
+        } else if (offsetSize === 2) {
+          data.push(relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+        } else if (offsetSize === 3) {
+          data.push(relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+        } else {
+          data.push(relativeOffset >>> 24 & 0xff, relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+        }
+
+        if (objects[i]) {
+          relativeOffset += objects[i].length;
+        }
+      }
+
+      for (i = 0; i < count; i++) {
+        if (trackers[i]) {
+          trackers[i].offset(data.length);
+        }
+
+        for (var j = 0, jj = objects[i].length; j < jj; j++) {
+          data.push(objects[i][j]);
+        }
+      }
+
+      return data;
+    }
+  }], [{
+    key: "EncodeFloatRegExp",
+    get: function get() {
+      return (0, _util.shadow)(this, "EncodeFloatRegExp", /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/);
+    }
+  }]);
+
+  return CFFCompiler;
+}();
+
+exports.CFFCompiler = CFFCompiler;
+
+/***/ }),
+/* 229 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ExpertSubsetCharset = exports.ExpertCharset = exports.ISOAdobeCharset = void 0;
+var ISOAdobeCharset = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron"];
+exports.ISOAdobeCharset = ISOAdobeCharset;
+var ExpertCharset = [".notdef", "space", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertCharset = ExpertCharset;
+var ExpertSubsetCharset = [".notdef", "space", "dollaroldstyle", "dollarsuperior", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "hyphensuperior", "colonmonetary", "onefitted", "rupiah", "centoldstyle", "figuredash", "hypheninferior", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior"];
+exports.ExpertSubsetCharset = ExpertSubsetCharset;
+
+/***/ }),
+/* 230 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getEncoding = getEncoding;
+exports.ExpertEncoding = exports.ZapfDingbatsEncoding = exports.SymbolSetEncoding = exports.MacRomanEncoding = exports.StandardEncoding = exports.WinAnsiEncoding = void 0;
+var ExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "", "", "", "isuperior", "", "", "lsuperior", "msuperior", "nsuperior", "osuperior", "", "", "rsuperior", "ssuperior", "tsuperior", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdownsmall", "centoldstyle", "Lslashsmall", "", "", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "", "Dotaccentsmall", "", "", "Macronsmall", "", "", "figuredash", "hypheninferior", "", "", "Ogoneksmall", "Ringsmall", "Cedillasmall", "", "", "", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertEncoding = ExpertEncoding;
+var MacExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "centoldstyle", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "", "threequartersemdash", "", "questionsmall", "", "", "", "", "Ethsmall", "", "", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "", "", "", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hypheninferior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "asuperior", "centsuperior", "", "", "", "", "Aacutesmall", "Agravesmall", "Acircumflexsmall", "Adieresissmall", "Atildesmall", "Aringsmall", "Ccedillasmall", "Eacutesmall", "Egravesmall", "Ecircumflexsmall", "Edieresissmall", "Iacutesmall", "Igravesmall", "Icircumflexsmall", "Idieresissmall", "Ntildesmall", "Oacutesmall", "Ogravesmall", "Ocircumflexsmall", "Odieresissmall", "Otildesmall", "Uacutesmall", "Ugravesmall", "Ucircumflexsmall", "Udieresissmall", "", "eightsuperior", "fourinferior", "threeinferior", "sixinferior", "eightinferior", "seveninferior", "Scaronsmall", "", "centinferior", "twoinferior", "", "Dieresissmall", "", "Caronsmall", "osuperior", "fiveinferior", "", "commainferior", "periodinferior", "Yacutesmall", "", "dollarinferior", "", "", "Thornsmall", "", "nineinferior", "zeroinferior", "Zcaronsmall", "AEsmall", "Oslashsmall", "questiondownsmall", "oneinferior", "Lslashsmall", "", "", "", "", "", "", "Cedillasmall", "", "", "", "", "", "OEsmall", "figuredash", "hyphensuperior", "", "", "", "", "exclamdownsmall", "", "Ydieresissmall", "", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "ninesuperior", "zerosuperior", "", "esuperior", "rsuperior", "tsuperior", "", "", "isuperior", "ssuperior", "dsuperior", "", "", "", "", "", "lsuperior", "Ogoneksmall", "Brevesmall", "Macronsmall", "bsuperior", "nsuperior", "msuperior", "commasuperior", "periodsuperior", "Dotaccentsmall", "Ringsmall", "", "", "", ""];
+var MacRomanEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "space", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron"];
+exports.MacRomanEncoding = MacRomanEncoding;
+var StandardEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "", "endash", "dagger", "daggerdbl", "periodcentered", "", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "", "questiondown", "", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "", "ring", "cedilla", "", "hungarumlaut", "ogonek", "caron", "emdash", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "AE", "", "ordfeminine", "", "", "", "", "Lslash", "Oslash", "OE", "ordmasculine", "", "", "", "", "", "ae", "", "", "", "dotlessi", "", "", "lslash", "oslash", "oe", "germandbls", "", "", "", ""];
+exports.StandardEncoding = StandardEncoding;
+var WinAnsiEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "bullet", "Euro", "bullet", "quotesinglbase", "florin", "quotedblbase", "ellipsis", "dagger", "daggerdbl", "circumflex", "perthousand", "Scaron", "guilsinglleft", "OE", "bullet", "Zcaron", "bullet", "bullet", "quoteleft", "quoteright", "quotedblleft", "quotedblright", "bullet", "endash", "emdash", "tilde", "trademark", "scaron", "guilsinglright", "oe", "bullet", "zcaron", "Ydieresis", "space", "exclamdown", "cent", "sterling", "currency", "yen", "brokenbar", "section", "dieresis", "copyright", "ordfeminine", "guillemotleft", "logicalnot", "hyphen", "registered", "macron", "degree", "plusminus", "twosuperior", "threesuperior", "acute", "mu", "paragraph", "periodcentered", "cedilla", "onesuperior", "ordmasculine", "guillemotright", "onequarter", "onehalf", "threequarters", "questiondown", "Agrave", "Aacute", "Acircumflex", "Atilde", "Adieresis", "Aring", "AE", "Ccedilla", "Egrave", "Eacute", "Ecircumflex", "Edieresis", "Igrave", "Iacute", "Icircumflex", "Idieresis", "Eth", "Ntilde", "Ograve", "Oacute", "Ocircumflex", "Otilde", "Odieresis", "multiply", "Oslash", "Ugrave", "Uacute", "Ucircumflex", "Udieresis", "Yacute", "Thorn", "germandbls", "agrave", "aacute", "acircumflex", "atilde", "adieresis", "aring", "ae", "ccedilla", "egrave", "eacute", "ecircumflex", "edieresis", "igrave", "iacute", "icircumflex", "idieresis", "eth", "ntilde", "ograve", "oacute", "ocircumflex", "otilde", "odieresis", "divide", "oslash", "ugrave", "uacute", "ucircumflex", "udieresis", "yacute", "thorn", "ydieresis"];
+exports.WinAnsiEncoding = WinAnsiEncoding;
+var SymbolSetEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "universal", "numbersign", "existential", "percent", "ampersand", "suchthat", "parenleft", "parenright", "asteriskmath", "plus", "comma", "minus", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "congruent", "Alpha", "Beta", "Chi", "Delta", "Epsilon", "Phi", "Gamma", "Eta", "Iota", "theta1", "Kappa", "Lambda", "Mu", "Nu", "Omicron", "Pi", "Theta", "Rho", "Sigma", "Tau", "Upsilon", "sigma1", "Omega", "Xi", "Psi", "Zeta", "bracketleft", "therefore", "bracketright", "perpendicular", "underscore", "radicalex", "alpha", "beta", "chi", "delta", "epsilon", "phi", "gamma", "eta", "iota", "phi1", "kappa", "lambda", "mu", "nu", "omicron", "pi", "theta", "rho", "sigma", "tau", "upsilon", "omega1", "omega", "xi", "psi", "zeta", "braceleft", "bar", "braceright", "similar", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "Euro", "Upsilon1", "minute", "lessequal", "fraction", "infinity", "florin", "club", "diamond", "heart", "spade", "arrowboth", "arrowleft", "arrowup", "arrowright", "arrowdown", "degree", "plusminus", "second", "greaterequal", "multiply", "proportional", "partialdiff", "bullet", "divide", "notequal", "equivalence", "approxequal", "ellipsis", "arrowvertex", "arrowhorizex", "carriagereturn", "aleph", "Ifraktur", "Rfraktur", "weierstrass", "circlemultiply", "circleplus", "emptyset", "intersection", "union", "propersuperset", "reflexsuperset", "notsubset", "propersubset", "reflexsubset", "element", "notelement", "angle", "gradient", "registerserif", "copyrightserif", "trademarkserif", "product", "radical", "dotmath", "logicalnot", "logicaland", "logicalor", "arrowdblboth", "arrowdblleft", "arrowdblup", "arrowdblright", "arrowdbldown", "lozenge", "angleleft", "registersans", "copyrightsans", "trademarksans", "summation", "parenlefttp", "parenleftex", "parenleftbt", "bracketlefttp", "bracketleftex", "bracketleftbt", "bracelefttp", "braceleftmid", "braceleftbt", "braceex", "", "angleright", "integral", "integraltp", "integralex", "integralbt", "parenrighttp", "parenrightex", "parenrightbt", "bracketrighttp", "bracketrightex", "bracketrightbt", "bracerighttp", "bracerightmid", "bracerightbt", ""];
+exports.SymbolSetEncoding = SymbolSetEncoding;
+var ZapfDingbatsEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "a1", "a2", "a202", "a3", "a4", "a5", "a119", "a118", "a117", "a11", "a12", "a13", "a14", "a15", "a16", "a105", "a17", "a18", "a19", "a20", "a21", "a22", "a23", "a24", "a25", "a26", "a27", "a28", "a6", "a7", "a8", "a9", "a10", "a29", "a30", "a31", "a32", "a33", "a34", "a35", "a36", "a37", "a38", "a39", "a40", "a41", "a42", "a43", "a44", "a45", "a46", "a47", "a48", "a49", "a50", "a51", "a52", "a53", "a54", "a55", "a56", "a57", "a58", "a59", "a60", "a61", "a62", "a63", "a64", "a65", "a66", "a67", "a68", "a69", "a70", "a71", "a72", "a73", "a74", "a203", "a75", "a204", "a76", "a77", "a78", "a79", "a81", "a82", "a83", "a84", "a97", "a98", "a99", "a100", "", "a89", "a90", "a93", "a94", "a91", "a92", "a205", "a85", "a206", "a86", "a87", "a88", "a95", "a96", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "a101", "a102", "a103", "a104", "a106", "a107", "a108", "a112", "a111", "a110", "a109", "a120", "a121", "a122", "a123", "a124", "a125", "a126", "a127", "a128", "a129", "a130", "a131", "a132", "a133", "a134", "a135", "a136", "a137", "a138", "a139", "a140", "a141", "a142", "a143", "a144", "a145", "a146", "a147", "a148", "a149", "a150", "a151", "a152", "a153", "a154", "a155", "a156", "a157", "a158", "a159", "a160", "a161", "a163", "a164", "a196", "a165", "a192", "a166", "a167", "a168", "a169", "a170", "a171", "a172", "a173", "a162", "a174", "a175", "a176", "a177", "a178", "a179", "a193", "a180", "a199", "a181", "a200", "a182", "", "a201", "a183", "a184", "a197", "a185", "a194", "a198", "a186", "a195", "a187", "a188", "a189", "a190", "a191", ""];
+exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding;
+
+function getEncoding(encodingName) {
+  switch (encodingName) {
+    case "WinAnsiEncoding":
+      return WinAnsiEncoding;
+
+    case "StandardEncoding":
+      return StandardEncoding;
+
+    case "MacRomanEncoding":
+      return MacRomanEncoding;
+
+    case "SymbolSetEncoding":
+      return SymbolSetEncoding;
+
+    case "ZapfDingbatsEncoding":
+      return ZapfDingbatsEncoding;
+
+    case "ExpertEncoding":
+      return ExpertEncoding;
+
+    case "MacExpertEncoding":
+      return MacExpertEncoding;
+
+    default:
+      return null;
+  }
+}
+
+/***/ }),
+/* 231 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getLookupTableFactory = __w_pdfjs_require__(205).getLookupTableFactory;
+var getGlyphsUnicode = getLookupTableFactory(function (t) {
+ t.A = 0x0041;
+ t.AE = 0x00c6;
+ t.AEacute = 0x01fc;
+ t.AEmacron = 0x01e2;
+ t.AEsmall = 0xf7e6;
+ t.Aacute = 0x00c1;
+ t.Aacutesmall = 0xf7e1;
+ t.Abreve = 0x0102;
+ t.Abreveacute = 0x1eae;
+ t.Abrevecyrillic = 0x04d0;
+ t.Abrevedotbelow = 0x1eb6;
+ t.Abrevegrave = 0x1eb0;
+ t.Abrevehookabove = 0x1eb2;
+ t.Abrevetilde = 0x1eb4;
+ t.Acaron = 0x01cd;
+ t.Acircle = 0x24b6;
+ t.Acircumflex = 0x00c2;
+ t.Acircumflexacute = 0x1ea4;
+ t.Acircumflexdotbelow = 0x1eac;
+ t.Acircumflexgrave = 0x1ea6;
+ t.Acircumflexhookabove = 0x1ea8;
+ t.Acircumflexsmall = 0xf7e2;
+ t.Acircumflextilde = 0x1eaa;
+ t.Acute = 0xf6c9;
+ t.Acutesmall = 0xf7b4;
+ t.Acyrillic = 0x0410;
+ t.Adblgrave = 0x0200;
+ t.Adieresis = 0x00c4;
+ t.Adieresiscyrillic = 0x04d2;
+ t.Adieresismacron = 0x01de;
+ t.Adieresissmall = 0xf7e4;
+ t.Adotbelow = 0x1ea0;
+ t.Adotmacron = 0x01e0;
+ t.Agrave = 0x00c0;
+ t.Agravesmall = 0xf7e0;
+ t.Ahookabove = 0x1ea2;
+ t.Aiecyrillic = 0x04d4;
+ t.Ainvertedbreve = 0x0202;
+ t.Alpha = 0x0391;
+ t.Alphatonos = 0x0386;
+ t.Amacron = 0x0100;
+ t.Amonospace = 0xff21;
+ t.Aogonek = 0x0104;
+ t.Aring = 0x00c5;
+ t.Aringacute = 0x01fa;
+ t.Aringbelow = 0x1e00;
+ t.Aringsmall = 0xf7e5;
+ t.Asmall = 0xf761;
+ t.Atilde = 0x00c3;
+ t.Atildesmall = 0xf7e3;
+ t.Aybarmenian = 0x0531;
+ t.B = 0x0042;
+ t.Bcircle = 0x24b7;
+ t.Bdotaccent = 0x1e02;
+ t.Bdotbelow = 0x1e04;
+ t.Becyrillic = 0x0411;
+ t.Benarmenian = 0x0532;
+ t.Beta = 0x0392;
+ t.Bhook = 0x0181;
+ t.Blinebelow = 0x1e06;
+ t.Bmonospace = 0xff22;
+ t.Brevesmall = 0xf6f4;
+ t.Bsmall = 0xf762;
+ t.Btopbar = 0x0182;
+ t.C = 0x0043;
+ t.Caarmenian = 0x053e;
+ t.Cacute = 0x0106;
+ t.Caron = 0xf6ca;
+ t.Caronsmall = 0xf6f5;
+ t.Ccaron = 0x010c;
+ t.Ccedilla = 0x00c7;
+ t.Ccedillaacute = 0x1e08;
+ t.Ccedillasmall = 0xf7e7;
+ t.Ccircle = 0x24b8;
+ t.Ccircumflex = 0x0108;
+ t.Cdot = 0x010a;
+ t.Cdotaccent = 0x010a;
+ t.Cedillasmall = 0xf7b8;
+ t.Chaarmenian = 0x0549;
+ t.Cheabkhasiancyrillic = 0x04bc;
+ t.Checyrillic = 0x0427;
+ t.Chedescenderabkhasiancyrillic = 0x04be;
+ t.Chedescendercyrillic = 0x04b6;
+ t.Chedieresiscyrillic = 0x04f4;
+ t.Cheharmenian = 0x0543;
+ t.Chekhakassiancyrillic = 0x04cb;
+ t.Cheverticalstrokecyrillic = 0x04b8;
+ t.Chi = 0x03a7;
+ t.Chook = 0x0187;
+ t.Circumflexsmall = 0xf6f6;
+ t.Cmonospace = 0xff23;
+ t.Coarmenian = 0x0551;
+ t.Csmall = 0xf763;
+ t.D = 0x0044;
+ t.DZ = 0x01f1;
+ t.DZcaron = 0x01c4;
+ t.Daarmenian = 0x0534;
+ t.Dafrican = 0x0189;
+ t.Dcaron = 0x010e;
+ t.Dcedilla = 0x1e10;
+ t.Dcircle = 0x24b9;
+ t.Dcircumflexbelow = 0x1e12;
+ t.Dcroat = 0x0110;
+ t.Ddotaccent = 0x1e0a;
+ t.Ddotbelow = 0x1e0c;
+ t.Decyrillic = 0x0414;
+ t.Deicoptic = 0x03ee;
+ t.Delta = 0x2206;
+ t.Deltagreek = 0x0394;
+ t.Dhook = 0x018a;
+ t.Dieresis = 0xf6cb;
+ t.DieresisAcute = 0xf6cc;
+ t.DieresisGrave = 0xf6cd;
+ t.Dieresissmall = 0xf7a8;
+ t.Digammagreek = 0x03dc;
+ t.Djecyrillic = 0x0402;
+ t.Dlinebelow = 0x1e0e;
+ t.Dmonospace = 0xff24;
+ t.Dotaccentsmall = 0xf6f7;
+ t.Dslash = 0x0110;
+ t.Dsmall = 0xf764;
+ t.Dtopbar = 0x018b;
+ t.Dz = 0x01f2;
+ t.Dzcaron = 0x01c5;
+ t.Dzeabkhasiancyrillic = 0x04e0;
+ t.Dzecyrillic = 0x0405;
+ t.Dzhecyrillic = 0x040f;
+ t.E = 0x0045;
+ t.Eacute = 0x00c9;
+ t.Eacutesmall = 0xf7e9;
+ t.Ebreve = 0x0114;
+ t.Ecaron = 0x011a;
+ t.Ecedillabreve = 0x1e1c;
+ t.Echarmenian = 0x0535;
+ t.Ecircle = 0x24ba;
+ t.Ecircumflex = 0x00ca;
+ t.Ecircumflexacute = 0x1ebe;
+ t.Ecircumflexbelow = 0x1e18;
+ t.Ecircumflexdotbelow = 0x1ec6;
+ t.Ecircumflexgrave = 0x1ec0;
+ t.Ecircumflexhookabove = 0x1ec2;
+ t.Ecircumflexsmall = 0xf7ea;
+ t.Ecircumflextilde = 0x1ec4;
+ t.Ecyrillic = 0x0404;
+ t.Edblgrave = 0x0204;
+ t.Edieresis = 0x00cb;
+ t.Edieresissmall = 0xf7eb;
+ t.Edot = 0x0116;
+ t.Edotaccent = 0x0116;
+ t.Edotbelow = 0x1eb8;
+ t.Efcyrillic = 0x0424;
+ t.Egrave = 0x00c8;
+ t.Egravesmall = 0xf7e8;
+ t.Eharmenian = 0x0537;
+ t.Ehookabove = 0x1eba;
+ t.Eightroman = 0x2167;
+ t.Einvertedbreve = 0x0206;
+ t.Eiotifiedcyrillic = 0x0464;
+ t.Elcyrillic = 0x041b;
+ t.Elevenroman = 0x216a;
+ t.Emacron = 0x0112;
+ t.Emacronacute = 0x1e16;
+ t.Emacrongrave = 0x1e14;
+ t.Emcyrillic = 0x041c;
+ t.Emonospace = 0xff25;
+ t.Encyrillic = 0x041d;
+ t.Endescendercyrillic = 0x04a2;
+ t.Eng = 0x014a;
+ t.Enghecyrillic = 0x04a4;
+ t.Enhookcyrillic = 0x04c7;
+ t.Eogonek = 0x0118;
+ t.Eopen = 0x0190;
+ t.Epsilon = 0x0395;
+ t.Epsilontonos = 0x0388;
+ t.Ercyrillic = 0x0420;
+ t.Ereversed = 0x018e;
+ t.Ereversedcyrillic = 0x042d;
+ t.Escyrillic = 0x0421;
+ t.Esdescendercyrillic = 0x04aa;
+ t.Esh = 0x01a9;
+ t.Esmall = 0xf765;
+ t.Eta = 0x0397;
+ t.Etarmenian = 0x0538;
+ t.Etatonos = 0x0389;
+ t.Eth = 0x00d0;
+ t.Ethsmall = 0xf7f0;
+ t.Etilde = 0x1ebc;
+ t.Etildebelow = 0x1e1a;
+ t.Euro = 0x20ac;
+ t.Ezh = 0x01b7;
+ t.Ezhcaron = 0x01ee;
+ t.Ezhreversed = 0x01b8;
+ t.F = 0x0046;
+ t.Fcircle = 0x24bb;
+ t.Fdotaccent = 0x1e1e;
+ t.Feharmenian = 0x0556;
+ t.Feicoptic = 0x03e4;
+ t.Fhook = 0x0191;
+ t.Fitacyrillic = 0x0472;
+ t.Fiveroman = 0x2164;
+ t.Fmonospace = 0xff26;
+ t.Fourroman = 0x2163;
+ t.Fsmall = 0xf766;
+ t.G = 0x0047;
+ t.GBsquare = 0x3387;
+ t.Gacute = 0x01f4;
+ t.Gamma = 0x0393;
+ t.Gammaafrican = 0x0194;
+ t.Gangiacoptic = 0x03ea;
+ t.Gbreve = 0x011e;
+ t.Gcaron = 0x01e6;
+ t.Gcedilla = 0x0122;
+ t.Gcircle = 0x24bc;
+ t.Gcircumflex = 0x011c;
+ t.Gcommaaccent = 0x0122;
+ t.Gdot = 0x0120;
+ t.Gdotaccent = 0x0120;
+ t.Gecyrillic = 0x0413;
+ t.Ghadarmenian = 0x0542;
+ t.Ghemiddlehookcyrillic = 0x0494;
+ t.Ghestrokecyrillic = 0x0492;
+ t.Gheupturncyrillic = 0x0490;
+ t.Ghook = 0x0193;
+ t.Gimarmenian = 0x0533;
+ t.Gjecyrillic = 0x0403;
+ t.Gmacron = 0x1e20;
+ t.Gmonospace = 0xff27;
+ t.Grave = 0xf6ce;
+ t.Gravesmall = 0xf760;
+ t.Gsmall = 0xf767;
+ t.Gsmallhook = 0x029b;
+ t.Gstroke = 0x01e4;
+ t.H = 0x0048;
+ t.H18533 = 0x25cf;
+ t.H18543 = 0x25aa;
+ t.H18551 = 0x25ab;
+ t.H22073 = 0x25a1;
+ t.HPsquare = 0x33cb;
+ t.Haabkhasiancyrillic = 0x04a8;
+ t.Hadescendercyrillic = 0x04b2;
+ t.Hardsigncyrillic = 0x042a;
+ t.Hbar = 0x0126;
+ t.Hbrevebelow = 0x1e2a;
+ t.Hcedilla = 0x1e28;
+ t.Hcircle = 0x24bd;
+ t.Hcircumflex = 0x0124;
+ t.Hdieresis = 0x1e26;
+ t.Hdotaccent = 0x1e22;
+ t.Hdotbelow = 0x1e24;
+ t.Hmonospace = 0xff28;
+ t.Hoarmenian = 0x0540;
+ t.Horicoptic = 0x03e8;
+ t.Hsmall = 0xf768;
+ t.Hungarumlaut = 0xf6cf;
+ t.Hungarumlautsmall = 0xf6f8;
+ t.Hzsquare = 0x3390;
+ t.I = 0x0049;
+ t.IAcyrillic = 0x042f;
+ t.IJ = 0x0132;
+ t.IUcyrillic = 0x042e;
+ t.Iacute = 0x00cd;
+ t.Iacutesmall = 0xf7ed;
+ t.Ibreve = 0x012c;
+ t.Icaron = 0x01cf;
+ t.Icircle = 0x24be;
+ t.Icircumflex = 0x00ce;
+ t.Icircumflexsmall = 0xf7ee;
+ t.Icyrillic = 0x0406;
+ t.Idblgrave = 0x0208;
+ t.Idieresis = 0x00cf;
+ t.Idieresisacute = 0x1e2e;
+ t.Idieresiscyrillic = 0x04e4;
+ t.Idieresissmall = 0xf7ef;
+ t.Idot = 0x0130;
+ t.Idotaccent = 0x0130;
+ t.Idotbelow = 0x1eca;
+ t.Iebrevecyrillic = 0x04d6;
+ t.Iecyrillic = 0x0415;
+ t.Ifraktur = 0x2111;
+ t.Igrave = 0x00cc;
+ t.Igravesmall = 0xf7ec;
+ t.Ihookabove = 0x1ec8;
+ t.Iicyrillic = 0x0418;
+ t.Iinvertedbreve = 0x020a;
+ t.Iishortcyrillic = 0x0419;
+ t.Imacron = 0x012a;
+ t.Imacroncyrillic = 0x04e2;
+ t.Imonospace = 0xff29;
+ t.Iniarmenian = 0x053b;
+ t.Iocyrillic = 0x0401;
+ t.Iogonek = 0x012e;
+ t.Iota = 0x0399;
+ t.Iotaafrican = 0x0196;
+ t.Iotadieresis = 0x03aa;
+ t.Iotatonos = 0x038a;
+ t.Ismall = 0xf769;
+ t.Istroke = 0x0197;
+ t.Itilde = 0x0128;
+ t.Itildebelow = 0x1e2c;
+ t.Izhitsacyrillic = 0x0474;
+ t.Izhitsadblgravecyrillic = 0x0476;
+ t.J = 0x004a;
+ t.Jaarmenian = 0x0541;
+ t.Jcircle = 0x24bf;
+ t.Jcircumflex = 0x0134;
+ t.Jecyrillic = 0x0408;
+ t.Jheharmenian = 0x054b;
+ t.Jmonospace = 0xff2a;
+ t.Jsmall = 0xf76a;
+ t.K = 0x004b;
+ t.KBsquare = 0x3385;
+ t.KKsquare = 0x33cd;
+ t.Kabashkircyrillic = 0x04a0;
+ t.Kacute = 0x1e30;
+ t.Kacyrillic = 0x041a;
+ t.Kadescendercyrillic = 0x049a;
+ t.Kahookcyrillic = 0x04c3;
+ t.Kappa = 0x039a;
+ t.Kastrokecyrillic = 0x049e;
+ t.Kaverticalstrokecyrillic = 0x049c;
+ t.Kcaron = 0x01e8;
+ t.Kcedilla = 0x0136;
+ t.Kcircle = 0x24c0;
+ t.Kcommaaccent = 0x0136;
+ t.Kdotbelow = 0x1e32;
+ t.Keharmenian = 0x0554;
+ t.Kenarmenian = 0x053f;
+ t.Khacyrillic = 0x0425;
+ t.Kheicoptic = 0x03e6;
+ t.Khook = 0x0198;
+ t.Kjecyrillic = 0x040c;
+ t.Klinebelow = 0x1e34;
+ t.Kmonospace = 0xff2b;
+ t.Koppacyrillic = 0x0480;
+ t.Koppagreek = 0x03de;
+ t.Ksicyrillic = 0x046e;
+ t.Ksmall = 0xf76b;
+ t.L = 0x004c;
+ t.LJ = 0x01c7;
+ t.LL = 0xf6bf;
+ t.Lacute = 0x0139;
+ t.Lambda = 0x039b;
+ t.Lcaron = 0x013d;
+ t.Lcedilla = 0x013b;
+ t.Lcircle = 0x24c1;
+ t.Lcircumflexbelow = 0x1e3c;
+ t.Lcommaaccent = 0x013b;
+ t.Ldot = 0x013f;
+ t.Ldotaccent = 0x013f;
+ t.Ldotbelow = 0x1e36;
+ t.Ldotbelowmacron = 0x1e38;
+ t.Liwnarmenian = 0x053c;
+ t.Lj = 0x01c8;
+ t.Ljecyrillic = 0x0409;
+ t.Llinebelow = 0x1e3a;
+ t.Lmonospace = 0xff2c;
+ t.Lslash = 0x0141;
+ t.Lslashsmall = 0xf6f9;
+ t.Lsmall = 0xf76c;
+ t.M = 0x004d;
+ t.MBsquare = 0x3386;
+ t.Macron = 0xf6d0;
+ t.Macronsmall = 0xf7af;
+ t.Macute = 0x1e3e;
+ t.Mcircle = 0x24c2;
+ t.Mdotaccent = 0x1e40;
+ t.Mdotbelow = 0x1e42;
+ t.Menarmenian = 0x0544;
+ t.Mmonospace = 0xff2d;
+ t.Msmall = 0xf76d;
+ t.Mturned = 0x019c;
+ t.Mu = 0x039c;
+ t.N = 0x004e;
+ t.NJ = 0x01ca;
+ t.Nacute = 0x0143;
+ t.Ncaron = 0x0147;
+ t.Ncedilla = 0x0145;
+ t.Ncircle = 0x24c3;
+ t.Ncircumflexbelow = 0x1e4a;
+ t.Ncommaaccent = 0x0145;
+ t.Ndotaccent = 0x1e44;
+ t.Ndotbelow = 0x1e46;
+ t.Nhookleft = 0x019d;
+ t.Nineroman = 0x2168;
+ t.Nj = 0x01cb;
+ t.Njecyrillic = 0x040a;
+ t.Nlinebelow = 0x1e48;
+ t.Nmonospace = 0xff2e;
+ t.Nowarmenian = 0x0546;
+ t.Nsmall = 0xf76e;
+ t.Ntilde = 0x00d1;
+ t.Ntildesmall = 0xf7f1;
+ t.Nu = 0x039d;
+ t.O = 0x004f;
+ t.OE = 0x0152;
+ t.OEsmall = 0xf6fa;
+ t.Oacute = 0x00d3;
+ t.Oacutesmall = 0xf7f3;
+ t.Obarredcyrillic = 0x04e8;
+ t.Obarreddieresiscyrillic = 0x04ea;
+ t.Obreve = 0x014e;
+ t.Ocaron = 0x01d1;
+ t.Ocenteredtilde = 0x019f;
+ t.Ocircle = 0x24c4;
+ t.Ocircumflex = 0x00d4;
+ t.Ocircumflexacute = 0x1ed0;
+ t.Ocircumflexdotbelow = 0x1ed8;
+ t.Ocircumflexgrave = 0x1ed2;
+ t.Ocircumflexhookabove = 0x1ed4;
+ t.Ocircumflexsmall = 0xf7f4;
+ t.Ocircumflextilde = 0x1ed6;
+ t.Ocyrillic = 0x041e;
+ t.Odblacute = 0x0150;
+ t.Odblgrave = 0x020c;
+ t.Odieresis = 0x00d6;
+ t.Odieresiscyrillic = 0x04e6;
+ t.Odieresissmall = 0xf7f6;
+ t.Odotbelow = 0x1ecc;
+ t.Ogoneksmall = 0xf6fb;
+ t.Ograve = 0x00d2;
+ t.Ogravesmall = 0xf7f2;
+ t.Oharmenian = 0x0555;
+ t.Ohm = 0x2126;
+ t.Ohookabove = 0x1ece;
+ t.Ohorn = 0x01a0;
+ t.Ohornacute = 0x1eda;
+ t.Ohorndotbelow = 0x1ee2;
+ t.Ohorngrave = 0x1edc;
+ t.Ohornhookabove = 0x1ede;
+ t.Ohorntilde = 0x1ee0;
+ t.Ohungarumlaut = 0x0150;
+ t.Oi = 0x01a2;
+ t.Oinvertedbreve = 0x020e;
+ t.Omacron = 0x014c;
+ t.Omacronacute = 0x1e52;
+ t.Omacrongrave = 0x1e50;
+ t.Omega = 0x2126;
+ t.Omegacyrillic = 0x0460;
+ t.Omegagreek = 0x03a9;
+ t.Omegaroundcyrillic = 0x047a;
+ t.Omegatitlocyrillic = 0x047c;
+ t.Omegatonos = 0x038f;
+ t.Omicron = 0x039f;
+ t.Omicrontonos = 0x038c;
+ t.Omonospace = 0xff2f;
+ t.Oneroman = 0x2160;
+ t.Oogonek = 0x01ea;
+ t.Oogonekmacron = 0x01ec;
+ t.Oopen = 0x0186;
+ t.Oslash = 0x00d8;
+ t.Oslashacute = 0x01fe;
+ t.Oslashsmall = 0xf7f8;
+ t.Osmall = 0xf76f;
+ t.Ostrokeacute = 0x01fe;
+ t.Otcyrillic = 0x047e;
+ t.Otilde = 0x00d5;
+ t.Otildeacute = 0x1e4c;
+ t.Otildedieresis = 0x1e4e;
+ t.Otildesmall = 0xf7f5;
+ t.P = 0x0050;
+ t.Pacute = 0x1e54;
+ t.Pcircle = 0x24c5;
+ t.Pdotaccent = 0x1e56;
+ t.Pecyrillic = 0x041f;
+ t.Peharmenian = 0x054a;
+ t.Pemiddlehookcyrillic = 0x04a6;
+ t.Phi = 0x03a6;
+ t.Phook = 0x01a4;
+ t.Pi = 0x03a0;
+ t.Piwrarmenian = 0x0553;
+ t.Pmonospace = 0xff30;
+ t.Psi = 0x03a8;
+ t.Psicyrillic = 0x0470;
+ t.Psmall = 0xf770;
+ t.Q = 0x0051;
+ t.Qcircle = 0x24c6;
+ t.Qmonospace = 0xff31;
+ t.Qsmall = 0xf771;
+ t.R = 0x0052;
+ t.Raarmenian = 0x054c;
+ t.Racute = 0x0154;
+ t.Rcaron = 0x0158;
+ t.Rcedilla = 0x0156;
+ t.Rcircle = 0x24c7;
+ t.Rcommaaccent = 0x0156;
+ t.Rdblgrave = 0x0210;
+ t.Rdotaccent = 0x1e58;
+ t.Rdotbelow = 0x1e5a;
+ t.Rdotbelowmacron = 0x1e5c;
+ t.Reharmenian = 0x0550;
+ t.Rfraktur = 0x211c;
+ t.Rho = 0x03a1;
+ t.Ringsmall = 0xf6fc;
+ t.Rinvertedbreve = 0x0212;
+ t.Rlinebelow = 0x1e5e;
+ t.Rmonospace = 0xff32;
+ t.Rsmall = 0xf772;
+ t.Rsmallinverted = 0x0281;
+ t.Rsmallinvertedsuperior = 0x02b6;
+ t.S = 0x0053;
+ t.SF010000 = 0x250c;
+ t.SF020000 = 0x2514;
+ t.SF030000 = 0x2510;
+ t.SF040000 = 0x2518;
+ t.SF050000 = 0x253c;
+ t.SF060000 = 0x252c;
+ t.SF070000 = 0x2534;
+ t.SF080000 = 0x251c;
+ t.SF090000 = 0x2524;
+ t.SF100000 = 0x2500;
+ t.SF110000 = 0x2502;
+ t.SF190000 = 0x2561;
+ t.SF200000 = 0x2562;
+ t.SF210000 = 0x2556;
+ t.SF220000 = 0x2555;
+ t.SF230000 = 0x2563;
+ t.SF240000 = 0x2551;
+ t.SF250000 = 0x2557;
+ t.SF260000 = 0x255d;
+ t.SF270000 = 0x255c;
+ t.SF280000 = 0x255b;
+ t.SF360000 = 0x255e;
+ t.SF370000 = 0x255f;
+ t.SF380000 = 0x255a;
+ t.SF390000 = 0x2554;
+ t.SF400000 = 0x2569;
+ t.SF410000 = 0x2566;
+ t.SF420000 = 0x2560;
+ t.SF430000 = 0x2550;
+ t.SF440000 = 0x256c;
+ t.SF450000 = 0x2567;
+ t.SF460000 = 0x2568;
+ t.SF470000 = 0x2564;
+ t.SF480000 = 0x2565;
+ t.SF490000 = 0x2559;
+ t.SF500000 = 0x2558;
+ t.SF510000 = 0x2552;
+ t.SF520000 = 0x2553;
+ t.SF530000 = 0x256b;
+ t.SF540000 = 0x256a;
+ t.Sacute = 0x015a;
+ t.Sacutedotaccent = 0x1e64;
+ t.Sampigreek = 0x03e0;
+ t.Scaron = 0x0160;
+ t.Scarondotaccent = 0x1e66;
+ t.Scaronsmall = 0xf6fd;
+ t.Scedilla = 0x015e;
+ t.Schwa = 0x018f;
+ t.Schwacyrillic = 0x04d8;
+ t.Schwadieresiscyrillic = 0x04da;
+ t.Scircle = 0x24c8;
+ t.Scircumflex = 0x015c;
+ t.Scommaaccent = 0x0218;
+ t.Sdotaccent = 0x1e60;
+ t.Sdotbelow = 0x1e62;
+ t.Sdotbelowdotaccent = 0x1e68;
+ t.Seharmenian = 0x054d;
+ t.Sevenroman = 0x2166;
+ t.Shaarmenian = 0x0547;
+ t.Shacyrillic = 0x0428;
+ t.Shchacyrillic = 0x0429;
+ t.Sheicoptic = 0x03e2;
+ t.Shhacyrillic = 0x04ba;
+ t.Shimacoptic = 0x03ec;
+ t.Sigma = 0x03a3;
+ t.Sixroman = 0x2165;
+ t.Smonospace = 0xff33;
+ t.Softsigncyrillic = 0x042c;
+ t.Ssmall = 0xf773;
+ t.Stigmagreek = 0x03da;
+ t.T = 0x0054;
+ t.Tau = 0x03a4;
+ t.Tbar = 0x0166;
+ t.Tcaron = 0x0164;
+ t.Tcedilla = 0x0162;
+ t.Tcircle = 0x24c9;
+ t.Tcircumflexbelow = 0x1e70;
+ t.Tcommaaccent = 0x0162;
+ t.Tdotaccent = 0x1e6a;
+ t.Tdotbelow = 0x1e6c;
+ t.Tecyrillic = 0x0422;
+ t.Tedescendercyrillic = 0x04ac;
+ t.Tenroman = 0x2169;
+ t.Tetsecyrillic = 0x04b4;
+ t.Theta = 0x0398;
+ t.Thook = 0x01ac;
+ t.Thorn = 0x00de;
+ t.Thornsmall = 0xf7fe;
+ t.Threeroman = 0x2162;
+ t.Tildesmall = 0xf6fe;
+ t.Tiwnarmenian = 0x054f;
+ t.Tlinebelow = 0x1e6e;
+ t.Tmonospace = 0xff34;
+ t.Toarmenian = 0x0539;
+ t.Tonefive = 0x01bc;
+ t.Tonesix = 0x0184;
+ t.Tonetwo = 0x01a7;
+ t.Tretroflexhook = 0x01ae;
+ t.Tsecyrillic = 0x0426;
+ t.Tshecyrillic = 0x040b;
+ t.Tsmall = 0xf774;
+ t.Twelveroman = 0x216b;
+ t.Tworoman = 0x2161;
+ t.U = 0x0055;
+ t.Uacute = 0x00da;
+ t.Uacutesmall = 0xf7fa;
+ t.Ubreve = 0x016c;
+ t.Ucaron = 0x01d3;
+ t.Ucircle = 0x24ca;
+ t.Ucircumflex = 0x00db;
+ t.Ucircumflexbelow = 0x1e76;
+ t.Ucircumflexsmall = 0xf7fb;
+ t.Ucyrillic = 0x0423;
+ t.Udblacute = 0x0170;
+ t.Udblgrave = 0x0214;
+ t.Udieresis = 0x00dc;
+ t.Udieresisacute = 0x01d7;
+ t.Udieresisbelow = 0x1e72;
+ t.Udieresiscaron = 0x01d9;
+ t.Udieresiscyrillic = 0x04f0;
+ t.Udieresisgrave = 0x01db;
+ t.Udieresismacron = 0x01d5;
+ t.Udieresissmall = 0xf7fc;
+ t.Udotbelow = 0x1ee4;
+ t.Ugrave = 0x00d9;
+ t.Ugravesmall = 0xf7f9;
+ t.Uhookabove = 0x1ee6;
+ t.Uhorn = 0x01af;
+ t.Uhornacute = 0x1ee8;
+ t.Uhorndotbelow = 0x1ef0;
+ t.Uhorngrave = 0x1eea;
+ t.Uhornhookabove = 0x1eec;
+ t.Uhorntilde = 0x1eee;
+ t.Uhungarumlaut = 0x0170;
+ t.Uhungarumlautcyrillic = 0x04f2;
+ t.Uinvertedbreve = 0x0216;
+ t.Ukcyrillic = 0x0478;
+ t.Umacron = 0x016a;
+ t.Umacroncyrillic = 0x04ee;
+ t.Umacrondieresis = 0x1e7a;
+ t.Umonospace = 0xff35;
+ t.Uogonek = 0x0172;
+ t.Upsilon = 0x03a5;
+ t.Upsilon1 = 0x03d2;
+ t.Upsilonacutehooksymbolgreek = 0x03d3;
+ t.Upsilonafrican = 0x01b1;
+ t.Upsilondieresis = 0x03ab;
+ t.Upsilondieresishooksymbolgreek = 0x03d4;
+ t.Upsilonhooksymbol = 0x03d2;
+ t.Upsilontonos = 0x038e;
+ t.Uring = 0x016e;
+ t.Ushortcyrillic = 0x040e;
+ t.Usmall = 0xf775;
+ t.Ustraightcyrillic = 0x04ae;
+ t.Ustraightstrokecyrillic = 0x04b0;
+ t.Utilde = 0x0168;
+ t.Utildeacute = 0x1e78;
+ t.Utildebelow = 0x1e74;
+ t.V = 0x0056;
+ t.Vcircle = 0x24cb;
+ t.Vdotbelow = 0x1e7e;
+ t.Vecyrillic = 0x0412;
+ t.Vewarmenian = 0x054e;
+ t.Vhook = 0x01b2;
+ t.Vmonospace = 0xff36;
+ t.Voarmenian = 0x0548;
+ t.Vsmall = 0xf776;
+ t.Vtilde = 0x1e7c;
+ t.W = 0x0057;
+ t.Wacute = 0x1e82;
+ t.Wcircle = 0x24cc;
+ t.Wcircumflex = 0x0174;
+ t.Wdieresis = 0x1e84;
+ t.Wdotaccent = 0x1e86;
+ t.Wdotbelow = 0x1e88;
+ t.Wgrave = 0x1e80;
+ t.Wmonospace = 0xff37;
+ t.Wsmall = 0xf777;
+ t.X = 0x0058;
+ t.Xcircle = 0x24cd;
+ t.Xdieresis = 0x1e8c;
+ t.Xdotaccent = 0x1e8a;
+ t.Xeharmenian = 0x053d;
+ t.Xi = 0x039e;
+ t.Xmonospace = 0xff38;
+ t.Xsmall = 0xf778;
+ t.Y = 0x0059;
+ t.Yacute = 0x00dd;
+ t.Yacutesmall = 0xf7fd;
+ t.Yatcyrillic = 0x0462;
+ t.Ycircle = 0x24ce;
+ t.Ycircumflex = 0x0176;
+ t.Ydieresis = 0x0178;
+ t.Ydieresissmall = 0xf7ff;
+ t.Ydotaccent = 0x1e8e;
+ t.Ydotbelow = 0x1ef4;
+ t.Yericyrillic = 0x042b;
+ t.Yerudieresiscyrillic = 0x04f8;
+ t.Ygrave = 0x1ef2;
+ t.Yhook = 0x01b3;
+ t.Yhookabove = 0x1ef6;
+ t.Yiarmenian = 0x0545;
+ t.Yicyrillic = 0x0407;
+ t.Yiwnarmenian = 0x0552;
+ t.Ymonospace = 0xff39;
+ t.Ysmall = 0xf779;
+ t.Ytilde = 0x1ef8;
+ t.Yusbigcyrillic = 0x046a;
+ t.Yusbigiotifiedcyrillic = 0x046c;
+ t.Yuslittlecyrillic = 0x0466;
+ t.Yuslittleiotifiedcyrillic = 0x0468;
+ t.Z = 0x005a;
+ t.Zaarmenian = 0x0536;
+ t.Zacute = 0x0179;
+ t.Zcaron = 0x017d;
+ t.Zcaronsmall = 0xf6ff;
+ t.Zcircle = 0x24cf;
+ t.Zcircumflex = 0x1e90;
+ t.Zdot = 0x017b;
+ t.Zdotaccent = 0x017b;
+ t.Zdotbelow = 0x1e92;
+ t.Zecyrillic = 0x0417;
+ t.Zedescendercyrillic = 0x0498;
+ t.Zedieresiscyrillic = 0x04de;
+ t.Zeta = 0x0396;
+ t.Zhearmenian = 0x053a;
+ t.Zhebrevecyrillic = 0x04c1;
+ t.Zhecyrillic = 0x0416;
+ t.Zhedescendercyrillic = 0x0496;
+ t.Zhedieresiscyrillic = 0x04dc;
+ t.Zlinebelow = 0x1e94;
+ t.Zmonospace = 0xff3a;
+ t.Zsmall = 0xf77a;
+ t.Zstroke = 0x01b5;
+ t.a = 0x0061;
+ t.aabengali = 0x0986;
+ t.aacute = 0x00e1;
+ t.aadeva = 0x0906;
+ t.aagujarati = 0x0a86;
+ t.aagurmukhi = 0x0a06;
+ t.aamatragurmukhi = 0x0a3e;
+ t.aarusquare = 0x3303;
+ t.aavowelsignbengali = 0x09be;
+ t.aavowelsigndeva = 0x093e;
+ t.aavowelsigngujarati = 0x0abe;
+ t.abbreviationmarkarmenian = 0x055f;
+ t.abbreviationsigndeva = 0x0970;
+ t.abengali = 0x0985;
+ t.abopomofo = 0x311a;
+ t.abreve = 0x0103;
+ t.abreveacute = 0x1eaf;
+ t.abrevecyrillic = 0x04d1;
+ t.abrevedotbelow = 0x1eb7;
+ t.abrevegrave = 0x1eb1;
+ t.abrevehookabove = 0x1eb3;
+ t.abrevetilde = 0x1eb5;
+ t.acaron = 0x01ce;
+ t.acircle = 0x24d0;
+ t.acircumflex = 0x00e2;
+ t.acircumflexacute = 0x1ea5;
+ t.acircumflexdotbelow = 0x1ead;
+ t.acircumflexgrave = 0x1ea7;
+ t.acircumflexhookabove = 0x1ea9;
+ t.acircumflextilde = 0x1eab;
+ t.acute = 0x00b4;
+ t.acutebelowcmb = 0x0317;
+ t.acutecmb = 0x0301;
+ t.acutecomb = 0x0301;
+ t.acutedeva = 0x0954;
+ t.acutelowmod = 0x02cf;
+ t.acutetonecmb = 0x0341;
+ t.acyrillic = 0x0430;
+ t.adblgrave = 0x0201;
+ t.addakgurmukhi = 0x0a71;
+ t.adeva = 0x0905;
+ t.adieresis = 0x00e4;
+ t.adieresiscyrillic = 0x04d3;
+ t.adieresismacron = 0x01df;
+ t.adotbelow = 0x1ea1;
+ t.adotmacron = 0x01e1;
+ t.ae = 0x00e6;
+ t.aeacute = 0x01fd;
+ t.aekorean = 0x3150;
+ t.aemacron = 0x01e3;
+ t.afii00208 = 0x2015;
+ t.afii08941 = 0x20a4;
+ t.afii10017 = 0x0410;
+ t.afii10018 = 0x0411;
+ t.afii10019 = 0x0412;
+ t.afii10020 = 0x0413;
+ t.afii10021 = 0x0414;
+ t.afii10022 = 0x0415;
+ t.afii10023 = 0x0401;
+ t.afii10024 = 0x0416;
+ t.afii10025 = 0x0417;
+ t.afii10026 = 0x0418;
+ t.afii10027 = 0x0419;
+ t.afii10028 = 0x041a;
+ t.afii10029 = 0x041b;
+ t.afii10030 = 0x041c;
+ t.afii10031 = 0x041d;
+ t.afii10032 = 0x041e;
+ t.afii10033 = 0x041f;
+ t.afii10034 = 0x0420;
+ t.afii10035 = 0x0421;
+ t.afii10036 = 0x0422;
+ t.afii10037 = 0x0423;
+ t.afii10038 = 0x0424;
+ t.afii10039 = 0x0425;
+ t.afii10040 = 0x0426;
+ t.afii10041 = 0x0427;
+ t.afii10042 = 0x0428;
+ t.afii10043 = 0x0429;
+ t.afii10044 = 0x042a;
+ t.afii10045 = 0x042b;
+ t.afii10046 = 0x042c;
+ t.afii10047 = 0x042d;
+ t.afii10048 = 0x042e;
+ t.afii10049 = 0x042f;
+ t.afii10050 = 0x0490;
+ t.afii10051 = 0x0402;
+ t.afii10052 = 0x0403;
+ t.afii10053 = 0x0404;
+ t.afii10054 = 0x0405;
+ t.afii10055 = 0x0406;
+ t.afii10056 = 0x0407;
+ t.afii10057 = 0x0408;
+ t.afii10058 = 0x0409;
+ t.afii10059 = 0x040a;
+ t.afii10060 = 0x040b;
+ t.afii10061 = 0x040c;
+ t.afii10062 = 0x040e;
+ t.afii10063 = 0xf6c4;
+ t.afii10064 = 0xf6c5;
+ t.afii10065 = 0x0430;
+ t.afii10066 = 0x0431;
+ t.afii10067 = 0x0432;
+ t.afii10068 = 0x0433;
+ t.afii10069 = 0x0434;
+ t.afii10070 = 0x0435;
+ t.afii10071 = 0x0451;
+ t.afii10072 = 0x0436;
+ t.afii10073 = 0x0437;
+ t.afii10074 = 0x0438;
+ t.afii10075 = 0x0439;
+ t.afii10076 = 0x043a;
+ t.afii10077 = 0x043b;
+ t.afii10078 = 0x043c;
+ t.afii10079 = 0x043d;
+ t.afii10080 = 0x043e;
+ t.afii10081 = 0x043f;
+ t.afii10082 = 0x0440;
+ t.afii10083 = 0x0441;
+ t.afii10084 = 0x0442;
+ t.afii10085 = 0x0443;
+ t.afii10086 = 0x0444;
+ t.afii10087 = 0x0445;
+ t.afii10088 = 0x0446;
+ t.afii10089 = 0x0447;
+ t.afii10090 = 0x0448;
+ t.afii10091 = 0x0449;
+ t.afii10092 = 0x044a;
+ t.afii10093 = 0x044b;
+ t.afii10094 = 0x044c;
+ t.afii10095 = 0x044d;
+ t.afii10096 = 0x044e;
+ t.afii10097 = 0x044f;
+ t.afii10098 = 0x0491;
+ t.afii10099 = 0x0452;
+ t.afii10100 = 0x0453;
+ t.afii10101 = 0x0454;
+ t.afii10102 = 0x0455;
+ t.afii10103 = 0x0456;
+ t.afii10104 = 0x0457;
+ t.afii10105 = 0x0458;
+ t.afii10106 = 0x0459;
+ t.afii10107 = 0x045a;
+ t.afii10108 = 0x045b;
+ t.afii10109 = 0x045c;
+ t.afii10110 = 0x045e;
+ t.afii10145 = 0x040f;
+ t.afii10146 = 0x0462;
+ t.afii10147 = 0x0472;
+ t.afii10148 = 0x0474;
+ t.afii10192 = 0xf6c6;
+ t.afii10193 = 0x045f;
+ t.afii10194 = 0x0463;
+ t.afii10195 = 0x0473;
+ t.afii10196 = 0x0475;
+ t.afii10831 = 0xf6c7;
+ t.afii10832 = 0xf6c8;
+ t.afii10846 = 0x04d9;
+ t.afii299 = 0x200e;
+ t.afii300 = 0x200f;
+ t.afii301 = 0x200d;
+ t.afii57381 = 0x066a;
+ t.afii57388 = 0x060c;
+ t.afii57392 = 0x0660;
+ t.afii57393 = 0x0661;
+ t.afii57394 = 0x0662;
+ t.afii57395 = 0x0663;
+ t.afii57396 = 0x0664;
+ t.afii57397 = 0x0665;
+ t.afii57398 = 0x0666;
+ t.afii57399 = 0x0667;
+ t.afii57400 = 0x0668;
+ t.afii57401 = 0x0669;
+ t.afii57403 = 0x061b;
+ t.afii57407 = 0x061f;
+ t.afii57409 = 0x0621;
+ t.afii57410 = 0x0622;
+ t.afii57411 = 0x0623;
+ t.afii57412 = 0x0624;
+ t.afii57413 = 0x0625;
+ t.afii57414 = 0x0626;
+ t.afii57415 = 0x0627;
+ t.afii57416 = 0x0628;
+ t.afii57417 = 0x0629;
+ t.afii57418 = 0x062a;
+ t.afii57419 = 0x062b;
+ t.afii57420 = 0x062c;
+ t.afii57421 = 0x062d;
+ t.afii57422 = 0x062e;
+ t.afii57423 = 0x062f;
+ t.afii57424 = 0x0630;
+ t.afii57425 = 0x0631;
+ t.afii57426 = 0x0632;
+ t.afii57427 = 0x0633;
+ t.afii57428 = 0x0634;
+ t.afii57429 = 0x0635;
+ t.afii57430 = 0x0636;
+ t.afii57431 = 0x0637;
+ t.afii57432 = 0x0638;
+ t.afii57433 = 0x0639;
+ t.afii57434 = 0x063a;
+ t.afii57440 = 0x0640;
+ t.afii57441 = 0x0641;
+ t.afii57442 = 0x0642;
+ t.afii57443 = 0x0643;
+ t.afii57444 = 0x0644;
+ t.afii57445 = 0x0645;
+ t.afii57446 = 0x0646;
+ t.afii57448 = 0x0648;
+ t.afii57449 = 0x0649;
+ t.afii57450 = 0x064a;
+ t.afii57451 = 0x064b;
+ t.afii57452 = 0x064c;
+ t.afii57453 = 0x064d;
+ t.afii57454 = 0x064e;
+ t.afii57455 = 0x064f;
+ t.afii57456 = 0x0650;
+ t.afii57457 = 0x0651;
+ t.afii57458 = 0x0652;
+ t.afii57470 = 0x0647;
+ t.afii57505 = 0x06a4;
+ t.afii57506 = 0x067e;
+ t.afii57507 = 0x0686;
+ t.afii57508 = 0x0698;
+ t.afii57509 = 0x06af;
+ t.afii57511 = 0x0679;
+ t.afii57512 = 0x0688;
+ t.afii57513 = 0x0691;
+ t.afii57514 = 0x06ba;
+ t.afii57519 = 0x06d2;
+ t.afii57534 = 0x06d5;
+ t.afii57636 = 0x20aa;
+ t.afii57645 = 0x05be;
+ t.afii57658 = 0x05c3;
+ t.afii57664 = 0x05d0;
+ t.afii57665 = 0x05d1;
+ t.afii57666 = 0x05d2;
+ t.afii57667 = 0x05d3;
+ t.afii57668 = 0x05d4;
+ t.afii57669 = 0x05d5;
+ t.afii57670 = 0x05d6;
+ t.afii57671 = 0x05d7;
+ t.afii57672 = 0x05d8;
+ t.afii57673 = 0x05d9;
+ t.afii57674 = 0x05da;
+ t.afii57675 = 0x05db;
+ t.afii57676 = 0x05dc;
+ t.afii57677 = 0x05dd;
+ t.afii57678 = 0x05de;
+ t.afii57679 = 0x05df;
+ t.afii57680 = 0x05e0;
+ t.afii57681 = 0x05e1;
+ t.afii57682 = 0x05e2;
+ t.afii57683 = 0x05e3;
+ t.afii57684 = 0x05e4;
+ t.afii57685 = 0x05e5;
+ t.afii57686 = 0x05e6;
+ t.afii57687 = 0x05e7;
+ t.afii57688 = 0x05e8;
+ t.afii57689 = 0x05e9;
+ t.afii57690 = 0x05ea;
+ t.afii57694 = 0xfb2a;
+ t.afii57695 = 0xfb2b;
+ t.afii57700 = 0xfb4b;
+ t.afii57705 = 0xfb1f;
+ t.afii57716 = 0x05f0;
+ t.afii57717 = 0x05f1;
+ t.afii57718 = 0x05f2;
+ t.afii57723 = 0xfb35;
+ t.afii57793 = 0x05b4;
+ t.afii57794 = 0x05b5;
+ t.afii57795 = 0x05b6;
+ t.afii57796 = 0x05bb;
+ t.afii57797 = 0x05b8;
+ t.afii57798 = 0x05b7;
+ t.afii57799 = 0x05b0;
+ t.afii57800 = 0x05b2;
+ t.afii57801 = 0x05b1;
+ t.afii57802 = 0x05b3;
+ t.afii57803 = 0x05c2;
+ t.afii57804 = 0x05c1;
+ t.afii57806 = 0x05b9;
+ t.afii57807 = 0x05bc;
+ t.afii57839 = 0x05bd;
+ t.afii57841 = 0x05bf;
+ t.afii57842 = 0x05c0;
+ t.afii57929 = 0x02bc;
+ t.afii61248 = 0x2105;
+ t.afii61289 = 0x2113;
+ t.afii61352 = 0x2116;
+ t.afii61573 = 0x202c;
+ t.afii61574 = 0x202d;
+ t.afii61575 = 0x202e;
+ t.afii61664 = 0x200c;
+ t.afii63167 = 0x066d;
+ t.afii64937 = 0x02bd;
+ t.agrave = 0x00e0;
+ t.agujarati = 0x0a85;
+ t.agurmukhi = 0x0a05;
+ t.ahiragana = 0x3042;
+ t.ahookabove = 0x1ea3;
+ t.aibengali = 0x0990;
+ t.aibopomofo = 0x311e;
+ t.aideva = 0x0910;
+ t.aiecyrillic = 0x04d5;
+ t.aigujarati = 0x0a90;
+ t.aigurmukhi = 0x0a10;
+ t.aimatragurmukhi = 0x0a48;
+ t.ainarabic = 0x0639;
+ t.ainfinalarabic = 0xfeca;
+ t.aininitialarabic = 0xfecb;
+ t.ainmedialarabic = 0xfecc;
+ t.ainvertedbreve = 0x0203;
+ t.aivowelsignbengali = 0x09c8;
+ t.aivowelsigndeva = 0x0948;
+ t.aivowelsigngujarati = 0x0ac8;
+ t.akatakana = 0x30a2;
+ t.akatakanahalfwidth = 0xff71;
+ t.akorean = 0x314f;
+ t.alef = 0x05d0;
+ t.alefarabic = 0x0627;
+ t.alefdageshhebrew = 0xfb30;
+ t.aleffinalarabic = 0xfe8e;
+ t.alefhamzaabovearabic = 0x0623;
+ t.alefhamzaabovefinalarabic = 0xfe84;
+ t.alefhamzabelowarabic = 0x0625;
+ t.alefhamzabelowfinalarabic = 0xfe88;
+ t.alefhebrew = 0x05d0;
+ t.aleflamedhebrew = 0xfb4f;
+ t.alefmaddaabovearabic = 0x0622;
+ t.alefmaddaabovefinalarabic = 0xfe82;
+ t.alefmaksuraarabic = 0x0649;
+ t.alefmaksurafinalarabic = 0xfef0;
+ t.alefmaksurainitialarabic = 0xfef3;
+ t.alefmaksuramedialarabic = 0xfef4;
+ t.alefpatahhebrew = 0xfb2e;
+ t.alefqamatshebrew = 0xfb2f;
+ t.aleph = 0x2135;
+ t.allequal = 0x224c;
+ t.alpha = 0x03b1;
+ t.alphatonos = 0x03ac;
+ t.amacron = 0x0101;
+ t.amonospace = 0xff41;
+ t.ampersand = 0x0026;
+ t.ampersandmonospace = 0xff06;
+ t.ampersandsmall = 0xf726;
+ t.amsquare = 0x33c2;
+ t.anbopomofo = 0x3122;
+ t.angbopomofo = 0x3124;
+ t.angbracketleft = 0x3008;
+ t.angbracketright = 0x3009;
+ t.angkhankhuthai = 0x0e5a;
+ t.angle = 0x2220;
+ t.anglebracketleft = 0x3008;
+ t.anglebracketleftvertical = 0xfe3f;
+ t.anglebracketright = 0x3009;
+ t.anglebracketrightvertical = 0xfe40;
+ t.angleleft = 0x2329;
+ t.angleright = 0x232a;
+ t.angstrom = 0x212b;
+ t.anoteleia = 0x0387;
+ t.anudattadeva = 0x0952;
+ t.anusvarabengali = 0x0982;
+ t.anusvaradeva = 0x0902;
+ t.anusvaragujarati = 0x0a82;
+ t.aogonek = 0x0105;
+ t.apaatosquare = 0x3300;
+ t.aparen = 0x249c;
+ t.apostrophearmenian = 0x055a;
+ t.apostrophemod = 0x02bc;
+ t.apple = 0xf8ff;
+ t.approaches = 0x2250;
+ t.approxequal = 0x2248;
+ t.approxequalorimage = 0x2252;
+ t.approximatelyequal = 0x2245;
+ t.araeaekorean = 0x318e;
+ t.araeakorean = 0x318d;
+ t.arc = 0x2312;
+ t.arighthalfring = 0x1e9a;
+ t.aring = 0x00e5;
+ t.aringacute = 0x01fb;
+ t.aringbelow = 0x1e01;
+ t.arrowboth = 0x2194;
+ t.arrowdashdown = 0x21e3;
+ t.arrowdashleft = 0x21e0;
+ t.arrowdashright = 0x21e2;
+ t.arrowdashup = 0x21e1;
+ t.arrowdblboth = 0x21d4;
+ t.arrowdbldown = 0x21d3;
+ t.arrowdblleft = 0x21d0;
+ t.arrowdblright = 0x21d2;
+ t.arrowdblup = 0x21d1;
+ t.arrowdown = 0x2193;
+ t.arrowdownleft = 0x2199;
+ t.arrowdownright = 0x2198;
+ t.arrowdownwhite = 0x21e9;
+ t.arrowheaddownmod = 0x02c5;
+ t.arrowheadleftmod = 0x02c2;
+ t.arrowheadrightmod = 0x02c3;
+ t.arrowheadupmod = 0x02c4;
+ t.arrowhorizex = 0xf8e7;
+ t.arrowleft = 0x2190;
+ t.arrowleftdbl = 0x21d0;
+ t.arrowleftdblstroke = 0x21cd;
+ t.arrowleftoverright = 0x21c6;
+ t.arrowleftwhite = 0x21e6;
+ t.arrowright = 0x2192;
+ t.arrowrightdblstroke = 0x21cf;
+ t.arrowrightheavy = 0x279e;
+ t.arrowrightoverleft = 0x21c4;
+ t.arrowrightwhite = 0x21e8;
+ t.arrowtableft = 0x21e4;
+ t.arrowtabright = 0x21e5;
+ t.arrowup = 0x2191;
+ t.arrowupdn = 0x2195;
+ t.arrowupdnbse = 0x21a8;
+ t.arrowupdownbase = 0x21a8;
+ t.arrowupleft = 0x2196;
+ t.arrowupleftofdown = 0x21c5;
+ t.arrowupright = 0x2197;
+ t.arrowupwhite = 0x21e7;
+ t.arrowvertex = 0xf8e6;
+ t.asciicircum = 0x005e;
+ t.asciicircummonospace = 0xff3e;
+ t.asciitilde = 0x007e;
+ t.asciitildemonospace = 0xff5e;
+ t.ascript = 0x0251;
+ t.ascriptturned = 0x0252;
+ t.asmallhiragana = 0x3041;
+ t.asmallkatakana = 0x30a1;
+ t.asmallkatakanahalfwidth = 0xff67;
+ t.asterisk = 0x002a;
+ t.asteriskaltonearabic = 0x066d;
+ t.asteriskarabic = 0x066d;
+ t.asteriskmath = 0x2217;
+ t.asteriskmonospace = 0xff0a;
+ t.asterisksmall = 0xfe61;
+ t.asterism = 0x2042;
+ t.asuperior = 0xf6e9;
+ t.asymptoticallyequal = 0x2243;
+ t.at = 0x0040;
+ t.atilde = 0x00e3;
+ t.atmonospace = 0xff20;
+ t.atsmall = 0xfe6b;
+ t.aturned = 0x0250;
+ t.aubengali = 0x0994;
+ t.aubopomofo = 0x3120;
+ t.audeva = 0x0914;
+ t.augujarati = 0x0a94;
+ t.augurmukhi = 0x0a14;
+ t.aulengthmarkbengali = 0x09d7;
+ t.aumatragurmukhi = 0x0a4c;
+ t.auvowelsignbengali = 0x09cc;
+ t.auvowelsigndeva = 0x094c;
+ t.auvowelsigngujarati = 0x0acc;
+ t.avagrahadeva = 0x093d;
+ t.aybarmenian = 0x0561;
+ t.ayin = 0x05e2;
+ t.ayinaltonehebrew = 0xfb20;
+ t.ayinhebrew = 0x05e2;
+ t.b = 0x0062;
+ t.babengali = 0x09ac;
+ t.backslash = 0x005c;
+ t.backslashmonospace = 0xff3c;
+ t.badeva = 0x092c;
+ t.bagujarati = 0x0aac;
+ t.bagurmukhi = 0x0a2c;
+ t.bahiragana = 0x3070;
+ t.bahtthai = 0x0e3f;
+ t.bakatakana = 0x30d0;
+ t.bar = 0x007c;
+ t.barmonospace = 0xff5c;
+ t.bbopomofo = 0x3105;
+ t.bcircle = 0x24d1;
+ t.bdotaccent = 0x1e03;
+ t.bdotbelow = 0x1e05;
+ t.beamedsixteenthnotes = 0x266c;
+ t.because = 0x2235;
+ t.becyrillic = 0x0431;
+ t.beharabic = 0x0628;
+ t.behfinalarabic = 0xfe90;
+ t.behinitialarabic = 0xfe91;
+ t.behiragana = 0x3079;
+ t.behmedialarabic = 0xfe92;
+ t.behmeeminitialarabic = 0xfc9f;
+ t.behmeemisolatedarabic = 0xfc08;
+ t.behnoonfinalarabic = 0xfc6d;
+ t.bekatakana = 0x30d9;
+ t.benarmenian = 0x0562;
+ t.bet = 0x05d1;
+ t.beta = 0x03b2;
+ t.betasymbolgreek = 0x03d0;
+ t.betdagesh = 0xfb31;
+ t.betdageshhebrew = 0xfb31;
+ t.bethebrew = 0x05d1;
+ t.betrafehebrew = 0xfb4c;
+ t.bhabengali = 0x09ad;
+ t.bhadeva = 0x092d;
+ t.bhagujarati = 0x0aad;
+ t.bhagurmukhi = 0x0a2d;
+ t.bhook = 0x0253;
+ t.bihiragana = 0x3073;
+ t.bikatakana = 0x30d3;
+ t.bilabialclick = 0x0298;
+ t.bindigurmukhi = 0x0a02;
+ t.birusquare = 0x3331;
+ t.blackcircle = 0x25cf;
+ t.blackdiamond = 0x25c6;
+ t.blackdownpointingtriangle = 0x25bc;
+ t.blackleftpointingpointer = 0x25c4;
+ t.blackleftpointingtriangle = 0x25c0;
+ t.blacklenticularbracketleft = 0x3010;
+ t.blacklenticularbracketleftvertical = 0xfe3b;
+ t.blacklenticularbracketright = 0x3011;
+ t.blacklenticularbracketrightvertical = 0xfe3c;
+ t.blacklowerlefttriangle = 0x25e3;
+ t.blacklowerrighttriangle = 0x25e2;
+ t.blackrectangle = 0x25ac;
+ t.blackrightpointingpointer = 0x25ba;
+ t.blackrightpointingtriangle = 0x25b6;
+ t.blacksmallsquare = 0x25aa;
+ t.blacksmilingface = 0x263b;
+ t.blacksquare = 0x25a0;
+ t.blackstar = 0x2605;
+ t.blackupperlefttriangle = 0x25e4;
+ t.blackupperrighttriangle = 0x25e5;
+ t.blackuppointingsmalltriangle = 0x25b4;
+ t.blackuppointingtriangle = 0x25b2;
+ t.blank = 0x2423;
+ t.blinebelow = 0x1e07;
+ t.block = 0x2588;
+ t.bmonospace = 0xff42;
+ t.bobaimaithai = 0x0e1a;
+ t.bohiragana = 0x307c;
+ t.bokatakana = 0x30dc;
+ t.bparen = 0x249d;
+ t.bqsquare = 0x33c3;
+ t.braceex = 0xf8f4;
+ t.braceleft = 0x007b;
+ t.braceleftbt = 0xf8f3;
+ t.braceleftmid = 0xf8f2;
+ t.braceleftmonospace = 0xff5b;
+ t.braceleftsmall = 0xfe5b;
+ t.bracelefttp = 0xf8f1;
+ t.braceleftvertical = 0xfe37;
+ t.braceright = 0x007d;
+ t.bracerightbt = 0xf8fe;
+ t.bracerightmid = 0xf8fd;
+ t.bracerightmonospace = 0xff5d;
+ t.bracerightsmall = 0xfe5c;
+ t.bracerighttp = 0xf8fc;
+ t.bracerightvertical = 0xfe38;
+ t.bracketleft = 0x005b;
+ t.bracketleftbt = 0xf8f0;
+ t.bracketleftex = 0xf8ef;
+ t.bracketleftmonospace = 0xff3b;
+ t.bracketlefttp = 0xf8ee;
+ t.bracketright = 0x005d;
+ t.bracketrightbt = 0xf8fb;
+ t.bracketrightex = 0xf8fa;
+ t.bracketrightmonospace = 0xff3d;
+ t.bracketrighttp = 0xf8f9;
+ t.breve = 0x02d8;
+ t.brevebelowcmb = 0x032e;
+ t.brevecmb = 0x0306;
+ t.breveinvertedbelowcmb = 0x032f;
+ t.breveinvertedcmb = 0x0311;
+ t.breveinverteddoublecmb = 0x0361;
+ t.bridgebelowcmb = 0x032a;
+ t.bridgeinvertedbelowcmb = 0x033a;
+ t.brokenbar = 0x00a6;
+ t.bstroke = 0x0180;
+ t.bsuperior = 0xf6ea;
+ t.btopbar = 0x0183;
+ t.buhiragana = 0x3076;
+ t.bukatakana = 0x30d6;
+ t.bullet = 0x2022;
+ t.bulletinverse = 0x25d8;
+ t.bulletoperator = 0x2219;
+ t.bullseye = 0x25ce;
+ t.c = 0x0063;
+ t.caarmenian = 0x056e;
+ t.cabengali = 0x099a;
+ t.cacute = 0x0107;
+ t.cadeva = 0x091a;
+ t.cagujarati = 0x0a9a;
+ t.cagurmukhi = 0x0a1a;
+ t.calsquare = 0x3388;
+ t.candrabindubengali = 0x0981;
+ t.candrabinducmb = 0x0310;
+ t.candrabindudeva = 0x0901;
+ t.candrabindugujarati = 0x0a81;
+ t.capslock = 0x21ea;
+ t.careof = 0x2105;
+ t.caron = 0x02c7;
+ t.caronbelowcmb = 0x032c;
+ t.caroncmb = 0x030c;
+ t.carriagereturn = 0x21b5;
+ t.cbopomofo = 0x3118;
+ t.ccaron = 0x010d;
+ t.ccedilla = 0x00e7;
+ t.ccedillaacute = 0x1e09;
+ t.ccircle = 0x24d2;
+ t.ccircumflex = 0x0109;
+ t.ccurl = 0x0255;
+ t.cdot = 0x010b;
+ t.cdotaccent = 0x010b;
+ t.cdsquare = 0x33c5;
+ t.cedilla = 0x00b8;
+ t.cedillacmb = 0x0327;
+ t.cent = 0x00a2;
+ t.centigrade = 0x2103;
+ t.centinferior = 0xf6df;
+ t.centmonospace = 0xffe0;
+ t.centoldstyle = 0xf7a2;
+ t.centsuperior = 0xf6e0;
+ t.chaarmenian = 0x0579;
+ t.chabengali = 0x099b;
+ t.chadeva = 0x091b;
+ t.chagujarati = 0x0a9b;
+ t.chagurmukhi = 0x0a1b;
+ t.chbopomofo = 0x3114;
+ t.cheabkhasiancyrillic = 0x04bd;
+ t.checkmark = 0x2713;
+ t.checyrillic = 0x0447;
+ t.chedescenderabkhasiancyrillic = 0x04bf;
+ t.chedescendercyrillic = 0x04b7;
+ t.chedieresiscyrillic = 0x04f5;
+ t.cheharmenian = 0x0573;
+ t.chekhakassiancyrillic = 0x04cc;
+ t.cheverticalstrokecyrillic = 0x04b9;
+ t.chi = 0x03c7;
+ t.chieuchacirclekorean = 0x3277;
+ t.chieuchaparenkorean = 0x3217;
+ t.chieuchcirclekorean = 0x3269;
+ t.chieuchkorean = 0x314a;
+ t.chieuchparenkorean = 0x3209;
+ t.chochangthai = 0x0e0a;
+ t.chochanthai = 0x0e08;
+ t.chochingthai = 0x0e09;
+ t.chochoethai = 0x0e0c;
+ t.chook = 0x0188;
+ t.cieucacirclekorean = 0x3276;
+ t.cieucaparenkorean = 0x3216;
+ t.cieuccirclekorean = 0x3268;
+ t.cieuckorean = 0x3148;
+ t.cieucparenkorean = 0x3208;
+ t.cieucuparenkorean = 0x321c;
+ t.circle = 0x25cb;
+ t.circlecopyrt = 0x00a9;
+ t.circlemultiply = 0x2297;
+ t.circleot = 0x2299;
+ t.circleplus = 0x2295;
+ t.circlepostalmark = 0x3036;
+ t.circlewithlefthalfblack = 0x25d0;
+ t.circlewithrighthalfblack = 0x25d1;
+ t.circumflex = 0x02c6;
+ t.circumflexbelowcmb = 0x032d;
+ t.circumflexcmb = 0x0302;
+ t.clear = 0x2327;
+ t.clickalveolar = 0x01c2;
+ t.clickdental = 0x01c0;
+ t.clicklateral = 0x01c1;
+ t.clickretroflex = 0x01c3;
+ t.club = 0x2663;
+ t.clubsuitblack = 0x2663;
+ t.clubsuitwhite = 0x2667;
+ t.cmcubedsquare = 0x33a4;
+ t.cmonospace = 0xff43;
+ t.cmsquaredsquare = 0x33a0;
+ t.coarmenian = 0x0581;
+ t.colon = 0x003a;
+ t.colonmonetary = 0x20a1;
+ t.colonmonospace = 0xff1a;
+ t.colonsign = 0x20a1;
+ t.colonsmall = 0xfe55;
+ t.colontriangularhalfmod = 0x02d1;
+ t.colontriangularmod = 0x02d0;
+ t.comma = 0x002c;
+ t.commaabovecmb = 0x0313;
+ t.commaaboverightcmb = 0x0315;
+ t.commaaccent = 0xf6c3;
+ t.commaarabic = 0x060c;
+ t.commaarmenian = 0x055d;
+ t.commainferior = 0xf6e1;
+ t.commamonospace = 0xff0c;
+ t.commareversedabovecmb = 0x0314;
+ t.commareversedmod = 0x02bd;
+ t.commasmall = 0xfe50;
+ t.commasuperior = 0xf6e2;
+ t.commaturnedabovecmb = 0x0312;
+ t.commaturnedmod = 0x02bb;
+ t.compass = 0x263c;
+ t.congruent = 0x2245;
+ t.contourintegral = 0x222e;
+ t.control = 0x2303;
+ t.controlACK = 0x0006;
+ t.controlBEL = 0x0007;
+ t.controlBS = 0x0008;
+ t.controlCAN = 0x0018;
+ t.controlCR = 0x000d;
+ t.controlDC1 = 0x0011;
+ t.controlDC2 = 0x0012;
+ t.controlDC3 = 0x0013;
+ t.controlDC4 = 0x0014;
+ t.controlDEL = 0x007f;
+ t.controlDLE = 0x0010;
+ t.controlEM = 0x0019;
+ t.controlENQ = 0x0005;
+ t.controlEOT = 0x0004;
+ t.controlESC = 0x001b;
+ t.controlETB = 0x0017;
+ t.controlETX = 0x0003;
+ t.controlFF = 0x000c;
+ t.controlFS = 0x001c;
+ t.controlGS = 0x001d;
+ t.controlHT = 0x0009;
+ t.controlLF = 0x000a;
+ t.controlNAK = 0x0015;
+ t.controlNULL = 0x0000;
+ t.controlRS = 0x001e;
+ t.controlSI = 0x000f;
+ t.controlSO = 0x000e;
+ t.controlSOT = 0x0002;
+ t.controlSTX = 0x0001;
+ t.controlSUB = 0x001a;
+ t.controlSYN = 0x0016;
+ t.controlUS = 0x001f;
+ t.controlVT = 0x000b;
+ t.copyright = 0x00a9;
+ t.copyrightsans = 0xf8e9;
+ t.copyrightserif = 0xf6d9;
+ t.cornerbracketleft = 0x300c;
+ t.cornerbracketlefthalfwidth = 0xff62;
+ t.cornerbracketleftvertical = 0xfe41;
+ t.cornerbracketright = 0x300d;
+ t.cornerbracketrighthalfwidth = 0xff63;
+ t.cornerbracketrightvertical = 0xfe42;
+ t.corporationsquare = 0x337f;
+ t.cosquare = 0x33c7;
+ t.coverkgsquare = 0x33c6;
+ t.cparen = 0x249e;
+ t.cruzeiro = 0x20a2;
+ t.cstretched = 0x0297;
+ t.curlyand = 0x22cf;
+ t.curlyor = 0x22ce;
+ t.currency = 0x00a4;
+ t.cyrBreve = 0xf6d1;
+ t.cyrFlex = 0xf6d2;
+ t.cyrbreve = 0xf6d4;
+ t.cyrflex = 0xf6d5;
+ t.d = 0x0064;
+ t.daarmenian = 0x0564;
+ t.dabengali = 0x09a6;
+ t.dadarabic = 0x0636;
+ t.dadeva = 0x0926;
+ t.dadfinalarabic = 0xfebe;
+ t.dadinitialarabic = 0xfebf;
+ t.dadmedialarabic = 0xfec0;
+ t.dagesh = 0x05bc;
+ t.dageshhebrew = 0x05bc;
+ t.dagger = 0x2020;
+ t.daggerdbl = 0x2021;
+ t.dagujarati = 0x0aa6;
+ t.dagurmukhi = 0x0a26;
+ t.dahiragana = 0x3060;
+ t.dakatakana = 0x30c0;
+ t.dalarabic = 0x062f;
+ t.dalet = 0x05d3;
+ t.daletdagesh = 0xfb33;
+ t.daletdageshhebrew = 0xfb33;
+ t.dalethebrew = 0x05d3;
+ t.dalfinalarabic = 0xfeaa;
+ t.dammaarabic = 0x064f;
+ t.dammalowarabic = 0x064f;
+ t.dammatanaltonearabic = 0x064c;
+ t.dammatanarabic = 0x064c;
+ t.danda = 0x0964;
+ t.dargahebrew = 0x05a7;
+ t.dargalefthebrew = 0x05a7;
+ t.dasiapneumatacyrilliccmb = 0x0485;
+ t.dblGrave = 0xf6d3;
+ t.dblanglebracketleft = 0x300a;
+ t.dblanglebracketleftvertical = 0xfe3d;
+ t.dblanglebracketright = 0x300b;
+ t.dblanglebracketrightvertical = 0xfe3e;
+ t.dblarchinvertedbelowcmb = 0x032b;
+ t.dblarrowleft = 0x21d4;
+ t.dblarrowright = 0x21d2;
+ t.dbldanda = 0x0965;
+ t.dblgrave = 0xf6d6;
+ t.dblgravecmb = 0x030f;
+ t.dblintegral = 0x222c;
+ t.dbllowline = 0x2017;
+ t.dbllowlinecmb = 0x0333;
+ t.dbloverlinecmb = 0x033f;
+ t.dblprimemod = 0x02ba;
+ t.dblverticalbar = 0x2016;
+ t.dblverticallineabovecmb = 0x030e;
+ t.dbopomofo = 0x3109;
+ t.dbsquare = 0x33c8;
+ t.dcaron = 0x010f;
+ t.dcedilla = 0x1e11;
+ t.dcircle = 0x24d3;
+ t.dcircumflexbelow = 0x1e13;
+ t.dcroat = 0x0111;
+ t.ddabengali = 0x09a1;
+ t.ddadeva = 0x0921;
+ t.ddagujarati = 0x0aa1;
+ t.ddagurmukhi = 0x0a21;
+ t.ddalarabic = 0x0688;
+ t.ddalfinalarabic = 0xfb89;
+ t.dddhadeva = 0x095c;
+ t.ddhabengali = 0x09a2;
+ t.ddhadeva = 0x0922;
+ t.ddhagujarati = 0x0aa2;
+ t.ddhagurmukhi = 0x0a22;
+ t.ddotaccent = 0x1e0b;
+ t.ddotbelow = 0x1e0d;
+ t.decimalseparatorarabic = 0x066b;
+ t.decimalseparatorpersian = 0x066b;
+ t.decyrillic = 0x0434;
+ t.degree = 0x00b0;
+ t.dehihebrew = 0x05ad;
+ t.dehiragana = 0x3067;
+ t.deicoptic = 0x03ef;
+ t.dekatakana = 0x30c7;
+ t.deleteleft = 0x232b;
+ t.deleteright = 0x2326;
+ t.delta = 0x03b4;
+ t.deltaturned = 0x018d;
+ t.denominatorminusonenumeratorbengali = 0x09f8;
+ t.dezh = 0x02a4;
+ t.dhabengali = 0x09a7;
+ t.dhadeva = 0x0927;
+ t.dhagujarati = 0x0aa7;
+ t.dhagurmukhi = 0x0a27;
+ t.dhook = 0x0257;
+ t.dialytikatonos = 0x0385;
+ t.dialytikatonoscmb = 0x0344;
+ t.diamond = 0x2666;
+ t.diamondsuitwhite = 0x2662;
+ t.dieresis = 0x00a8;
+ t.dieresisacute = 0xf6d7;
+ t.dieresisbelowcmb = 0x0324;
+ t.dieresiscmb = 0x0308;
+ t.dieresisgrave = 0xf6d8;
+ t.dieresistonos = 0x0385;
+ t.dihiragana = 0x3062;
+ t.dikatakana = 0x30c2;
+ t.dittomark = 0x3003;
+ t.divide = 0x00f7;
+ t.divides = 0x2223;
+ t.divisionslash = 0x2215;
+ t.djecyrillic = 0x0452;
+ t.dkshade = 0x2593;
+ t.dlinebelow = 0x1e0f;
+ t.dlsquare = 0x3397;
+ t.dmacron = 0x0111;
+ t.dmonospace = 0xff44;
+ t.dnblock = 0x2584;
+ t.dochadathai = 0x0e0e;
+ t.dodekthai = 0x0e14;
+ t.dohiragana = 0x3069;
+ t.dokatakana = 0x30c9;
+ t.dollar = 0x0024;
+ t.dollarinferior = 0xf6e3;
+ t.dollarmonospace = 0xff04;
+ t.dollaroldstyle = 0xf724;
+ t.dollarsmall = 0xfe69;
+ t.dollarsuperior = 0xf6e4;
+ t.dong = 0x20ab;
+ t.dorusquare = 0x3326;
+ t.dotaccent = 0x02d9;
+ t.dotaccentcmb = 0x0307;
+ t.dotbelowcmb = 0x0323;
+ t.dotbelowcomb = 0x0323;
+ t.dotkatakana = 0x30fb;
+ t.dotlessi = 0x0131;
+ t.dotlessj = 0xf6be;
+ t.dotlessjstrokehook = 0x0284;
+ t.dotmath = 0x22c5;
+ t.dottedcircle = 0x25cc;
+ t.doubleyodpatah = 0xfb1f;
+ t.doubleyodpatahhebrew = 0xfb1f;
+ t.downtackbelowcmb = 0x031e;
+ t.downtackmod = 0x02d5;
+ t.dparen = 0x249f;
+ t.dsuperior = 0xf6eb;
+ t.dtail = 0x0256;
+ t.dtopbar = 0x018c;
+ t.duhiragana = 0x3065;
+ t.dukatakana = 0x30c5;
+ t.dz = 0x01f3;
+ t.dzaltone = 0x02a3;
+ t.dzcaron = 0x01c6;
+ t.dzcurl = 0x02a5;
+ t.dzeabkhasiancyrillic = 0x04e1;
+ t.dzecyrillic = 0x0455;
+ t.dzhecyrillic = 0x045f;
+ t.e = 0x0065;
+ t.eacute = 0x00e9;
+ t.earth = 0x2641;
+ t.ebengali = 0x098f;
+ t.ebopomofo = 0x311c;
+ t.ebreve = 0x0115;
+ t.ecandradeva = 0x090d;
+ t.ecandragujarati = 0x0a8d;
+ t.ecandravowelsigndeva = 0x0945;
+ t.ecandravowelsigngujarati = 0x0ac5;
+ t.ecaron = 0x011b;
+ t.ecedillabreve = 0x1e1d;
+ t.echarmenian = 0x0565;
+ t.echyiwnarmenian = 0x0587;
+ t.ecircle = 0x24d4;
+ t.ecircumflex = 0x00ea;
+ t.ecircumflexacute = 0x1ebf;
+ t.ecircumflexbelow = 0x1e19;
+ t.ecircumflexdotbelow = 0x1ec7;
+ t.ecircumflexgrave = 0x1ec1;
+ t.ecircumflexhookabove = 0x1ec3;
+ t.ecircumflextilde = 0x1ec5;
+ t.ecyrillic = 0x0454;
+ t.edblgrave = 0x0205;
+ t.edeva = 0x090f;
+ t.edieresis = 0x00eb;
+ t.edot = 0x0117;
+ t.edotaccent = 0x0117;
+ t.edotbelow = 0x1eb9;
+ t.eegurmukhi = 0x0a0f;
+ t.eematragurmukhi = 0x0a47;
+ t.efcyrillic = 0x0444;
+ t.egrave = 0x00e8;
+ t.egujarati = 0x0a8f;
+ t.eharmenian = 0x0567;
+ t.ehbopomofo = 0x311d;
+ t.ehiragana = 0x3048;
+ t.ehookabove = 0x1ebb;
+ t.eibopomofo = 0x311f;
+ t.eight = 0x0038;
+ t.eightarabic = 0x0668;
+ t.eightbengali = 0x09ee;
+ t.eightcircle = 0x2467;
+ t.eightcircleinversesansserif = 0x2791;
+ t.eightdeva = 0x096e;
+ t.eighteencircle = 0x2471;
+ t.eighteenparen = 0x2485;
+ t.eighteenperiod = 0x2499;
+ t.eightgujarati = 0x0aee;
+ t.eightgurmukhi = 0x0a6e;
+ t.eighthackarabic = 0x0668;
+ t.eighthangzhou = 0x3028;
+ t.eighthnotebeamed = 0x266b;
+ t.eightideographicparen = 0x3227;
+ t.eightinferior = 0x2088;
+ t.eightmonospace = 0xff18;
+ t.eightoldstyle = 0xf738;
+ t.eightparen = 0x247b;
+ t.eightperiod = 0x248f;
+ t.eightpersian = 0x06f8;
+ t.eightroman = 0x2177;
+ t.eightsuperior = 0x2078;
+ t.eightthai = 0x0e58;
+ t.einvertedbreve = 0x0207;
+ t.eiotifiedcyrillic = 0x0465;
+ t.ekatakana = 0x30a8;
+ t.ekatakanahalfwidth = 0xff74;
+ t.ekonkargurmukhi = 0x0a74;
+ t.ekorean = 0x3154;
+ t.elcyrillic = 0x043b;
+ t.element = 0x2208;
+ t.elevencircle = 0x246a;
+ t.elevenparen = 0x247e;
+ t.elevenperiod = 0x2492;
+ t.elevenroman = 0x217a;
+ t.ellipsis = 0x2026;
+ t.ellipsisvertical = 0x22ee;
+ t.emacron = 0x0113;
+ t.emacronacute = 0x1e17;
+ t.emacrongrave = 0x1e15;
+ t.emcyrillic = 0x043c;
+ t.emdash = 0x2014;
+ t.emdashvertical = 0xfe31;
+ t.emonospace = 0xff45;
+ t.emphasismarkarmenian = 0x055b;
+ t.emptyset = 0x2205;
+ t.enbopomofo = 0x3123;
+ t.encyrillic = 0x043d;
+ t.endash = 0x2013;
+ t.endashvertical = 0xfe32;
+ t.endescendercyrillic = 0x04a3;
+ t.eng = 0x014b;
+ t.engbopomofo = 0x3125;
+ t.enghecyrillic = 0x04a5;
+ t.enhookcyrillic = 0x04c8;
+ t.enspace = 0x2002;
+ t.eogonek = 0x0119;
+ t.eokorean = 0x3153;
+ t.eopen = 0x025b;
+ t.eopenclosed = 0x029a;
+ t.eopenreversed = 0x025c;
+ t.eopenreversedclosed = 0x025e;
+ t.eopenreversedhook = 0x025d;
+ t.eparen = 0x24a0;
+ t.epsilon = 0x03b5;
+ t.epsilontonos = 0x03ad;
+ t.equal = 0x003d;
+ t.equalmonospace = 0xff1d;
+ t.equalsmall = 0xfe66;
+ t.equalsuperior = 0x207c;
+ t.equivalence = 0x2261;
+ t.erbopomofo = 0x3126;
+ t.ercyrillic = 0x0440;
+ t.ereversed = 0x0258;
+ t.ereversedcyrillic = 0x044d;
+ t.escyrillic = 0x0441;
+ t.esdescendercyrillic = 0x04ab;
+ t.esh = 0x0283;
+ t.eshcurl = 0x0286;
+ t.eshortdeva = 0x090e;
+ t.eshortvowelsigndeva = 0x0946;
+ t.eshreversedloop = 0x01aa;
+ t.eshsquatreversed = 0x0285;
+ t.esmallhiragana = 0x3047;
+ t.esmallkatakana = 0x30a7;
+ t.esmallkatakanahalfwidth = 0xff6a;
+ t.estimated = 0x212e;
+ t.esuperior = 0xf6ec;
+ t.eta = 0x03b7;
+ t.etarmenian = 0x0568;
+ t.etatonos = 0x03ae;
+ t.eth = 0x00f0;
+ t.etilde = 0x1ebd;
+ t.etildebelow = 0x1e1b;
+ t.etnahtafoukhhebrew = 0x0591;
+ t.etnahtafoukhlefthebrew = 0x0591;
+ t.etnahtahebrew = 0x0591;
+ t.etnahtalefthebrew = 0x0591;
+ t.eturned = 0x01dd;
+ t.eukorean = 0x3161;
+ t.euro = 0x20ac;
+ t.evowelsignbengali = 0x09c7;
+ t.evowelsigndeva = 0x0947;
+ t.evowelsigngujarati = 0x0ac7;
+ t.exclam = 0x0021;
+ t.exclamarmenian = 0x055c;
+ t.exclamdbl = 0x203c;
+ t.exclamdown = 0x00a1;
+ t.exclamdownsmall = 0xf7a1;
+ t.exclammonospace = 0xff01;
+ t.exclamsmall = 0xf721;
+ t.existential = 0x2203;
+ t.ezh = 0x0292;
+ t.ezhcaron = 0x01ef;
+ t.ezhcurl = 0x0293;
+ t.ezhreversed = 0x01b9;
+ t.ezhtail = 0x01ba;
+ t.f = 0x0066;
+ t.fadeva = 0x095e;
+ t.fagurmukhi = 0x0a5e;
+ t.fahrenheit = 0x2109;
+ t.fathaarabic = 0x064e;
+ t.fathalowarabic = 0x064e;
+ t.fathatanarabic = 0x064b;
+ t.fbopomofo = 0x3108;
+ t.fcircle = 0x24d5;
+ t.fdotaccent = 0x1e1f;
+ t.feharabic = 0x0641;
+ t.feharmenian = 0x0586;
+ t.fehfinalarabic = 0xfed2;
+ t.fehinitialarabic = 0xfed3;
+ t.fehmedialarabic = 0xfed4;
+ t.feicoptic = 0x03e5;
+ t.female = 0x2640;
+ t.ff = 0xfb00;
+ t.f_f = 0xfb00;
+ t.ffi = 0xfb03;
+ t.ffl = 0xfb04;
+ t.fi = 0xfb01;
+ t.fifteencircle = 0x246e;
+ t.fifteenparen = 0x2482;
+ t.fifteenperiod = 0x2496;
+ t.figuredash = 0x2012;
+ t.filledbox = 0x25a0;
+ t.filledrect = 0x25ac;
+ t.finalkaf = 0x05da;
+ t.finalkafdagesh = 0xfb3a;
+ t.finalkafdageshhebrew = 0xfb3a;
+ t.finalkafhebrew = 0x05da;
+ t.finalmem = 0x05dd;
+ t.finalmemhebrew = 0x05dd;
+ t.finalnun = 0x05df;
+ t.finalnunhebrew = 0x05df;
+ t.finalpe = 0x05e3;
+ t.finalpehebrew = 0x05e3;
+ t.finaltsadi = 0x05e5;
+ t.finaltsadihebrew = 0x05e5;
+ t.firsttonechinese = 0x02c9;
+ t.fisheye = 0x25c9;
+ t.fitacyrillic = 0x0473;
+ t.five = 0x0035;
+ t.fivearabic = 0x0665;
+ t.fivebengali = 0x09eb;
+ t.fivecircle = 0x2464;
+ t.fivecircleinversesansserif = 0x278e;
+ t.fivedeva = 0x096b;
+ t.fiveeighths = 0x215d;
+ t.fivegujarati = 0x0aeb;
+ t.fivegurmukhi = 0x0a6b;
+ t.fivehackarabic = 0x0665;
+ t.fivehangzhou = 0x3025;
+ t.fiveideographicparen = 0x3224;
+ t.fiveinferior = 0x2085;
+ t.fivemonospace = 0xff15;
+ t.fiveoldstyle = 0xf735;
+ t.fiveparen = 0x2478;
+ t.fiveperiod = 0x248c;
+ t.fivepersian = 0x06f5;
+ t.fiveroman = 0x2174;
+ t.fivesuperior = 0x2075;
+ t.fivethai = 0x0e55;
+ t.fl = 0xfb02;
+ t.florin = 0x0192;
+ t.fmonospace = 0xff46;
+ t.fmsquare = 0x3399;
+ t.fofanthai = 0x0e1f;
+ t.fofathai = 0x0e1d;
+ t.fongmanthai = 0x0e4f;
+ t.forall = 0x2200;
+ t.four = 0x0034;
+ t.fourarabic = 0x0664;
+ t.fourbengali = 0x09ea;
+ t.fourcircle = 0x2463;
+ t.fourcircleinversesansserif = 0x278d;
+ t.fourdeva = 0x096a;
+ t.fourgujarati = 0x0aea;
+ t.fourgurmukhi = 0x0a6a;
+ t.fourhackarabic = 0x0664;
+ t.fourhangzhou = 0x3024;
+ t.fourideographicparen = 0x3223;
+ t.fourinferior = 0x2084;
+ t.fourmonospace = 0xff14;
+ t.fournumeratorbengali = 0x09f7;
+ t.fouroldstyle = 0xf734;
+ t.fourparen = 0x2477;
+ t.fourperiod = 0x248b;
+ t.fourpersian = 0x06f4;
+ t.fourroman = 0x2173;
+ t.foursuperior = 0x2074;
+ t.fourteencircle = 0x246d;
+ t.fourteenparen = 0x2481;
+ t.fourteenperiod = 0x2495;
+ t.fourthai = 0x0e54;
+ t.fourthtonechinese = 0x02cb;
+ t.fparen = 0x24a1;
+ t.fraction = 0x2044;
+ t.franc = 0x20a3;
+ t.g = 0x0067;
+ t.gabengali = 0x0997;
+ t.gacute = 0x01f5;
+ t.gadeva = 0x0917;
+ t.gafarabic = 0x06af;
+ t.gaffinalarabic = 0xfb93;
+ t.gafinitialarabic = 0xfb94;
+ t.gafmedialarabic = 0xfb95;
+ t.gagujarati = 0x0a97;
+ t.gagurmukhi = 0x0a17;
+ t.gahiragana = 0x304c;
+ t.gakatakana = 0x30ac;
+ t.gamma = 0x03b3;
+ t.gammalatinsmall = 0x0263;
+ t.gammasuperior = 0x02e0;
+ t.gangiacoptic = 0x03eb;
+ t.gbopomofo = 0x310d;
+ t.gbreve = 0x011f;
+ t.gcaron = 0x01e7;
+ t.gcedilla = 0x0123;
+ t.gcircle = 0x24d6;
+ t.gcircumflex = 0x011d;
+ t.gcommaaccent = 0x0123;
+ t.gdot = 0x0121;
+ t.gdotaccent = 0x0121;
+ t.gecyrillic = 0x0433;
+ t.gehiragana = 0x3052;
+ t.gekatakana = 0x30b2;
+ t.geometricallyequal = 0x2251;
+ t.gereshaccenthebrew = 0x059c;
+ t.gereshhebrew = 0x05f3;
+ t.gereshmuqdamhebrew = 0x059d;
+ t.germandbls = 0x00df;
+ t.gershayimaccenthebrew = 0x059e;
+ t.gershayimhebrew = 0x05f4;
+ t.getamark = 0x3013;
+ t.ghabengali = 0x0998;
+ t.ghadarmenian = 0x0572;
+ t.ghadeva = 0x0918;
+ t.ghagujarati = 0x0a98;
+ t.ghagurmukhi = 0x0a18;
+ t.ghainarabic = 0x063a;
+ t.ghainfinalarabic = 0xfece;
+ t.ghaininitialarabic = 0xfecf;
+ t.ghainmedialarabic = 0xfed0;
+ t.ghemiddlehookcyrillic = 0x0495;
+ t.ghestrokecyrillic = 0x0493;
+ t.gheupturncyrillic = 0x0491;
+ t.ghhadeva = 0x095a;
+ t.ghhagurmukhi = 0x0a5a;
+ t.ghook = 0x0260;
+ t.ghzsquare = 0x3393;
+ t.gihiragana = 0x304e;
+ t.gikatakana = 0x30ae;
+ t.gimarmenian = 0x0563;
+ t.gimel = 0x05d2;
+ t.gimeldagesh = 0xfb32;
+ t.gimeldageshhebrew = 0xfb32;
+ t.gimelhebrew = 0x05d2;
+ t.gjecyrillic = 0x0453;
+ t.glottalinvertedstroke = 0x01be;
+ t.glottalstop = 0x0294;
+ t.glottalstopinverted = 0x0296;
+ t.glottalstopmod = 0x02c0;
+ t.glottalstopreversed = 0x0295;
+ t.glottalstopreversedmod = 0x02c1;
+ t.glottalstopreversedsuperior = 0x02e4;
+ t.glottalstopstroke = 0x02a1;
+ t.glottalstopstrokereversed = 0x02a2;
+ t.gmacron = 0x1e21;
+ t.gmonospace = 0xff47;
+ t.gohiragana = 0x3054;
+ t.gokatakana = 0x30b4;
+ t.gparen = 0x24a2;
+ t.gpasquare = 0x33ac;
+ t.gradient = 0x2207;
+ t.grave = 0x0060;
+ t.gravebelowcmb = 0x0316;
+ t.gravecmb = 0x0300;
+ t.gravecomb = 0x0300;
+ t.gravedeva = 0x0953;
+ t.gravelowmod = 0x02ce;
+ t.gravemonospace = 0xff40;
+ t.gravetonecmb = 0x0340;
+ t.greater = 0x003e;
+ t.greaterequal = 0x2265;
+ t.greaterequalorless = 0x22db;
+ t.greatermonospace = 0xff1e;
+ t.greaterorequivalent = 0x2273;
+ t.greaterorless = 0x2277;
+ t.greateroverequal = 0x2267;
+ t.greatersmall = 0xfe65;
+ t.gscript = 0x0261;
+ t.gstroke = 0x01e5;
+ t.guhiragana = 0x3050;
+ t.guillemotleft = 0x00ab;
+ t.guillemotright = 0x00bb;
+ t.guilsinglleft = 0x2039;
+ t.guilsinglright = 0x203a;
+ t.gukatakana = 0x30b0;
+ t.guramusquare = 0x3318;
+ t.gysquare = 0x33c9;
+ t.h = 0x0068;
+ t.haabkhasiancyrillic = 0x04a9;
+ t.haaltonearabic = 0x06c1;
+ t.habengali = 0x09b9;
+ t.hadescendercyrillic = 0x04b3;
+ t.hadeva = 0x0939;
+ t.hagujarati = 0x0ab9;
+ t.hagurmukhi = 0x0a39;
+ t.haharabic = 0x062d;
+ t.hahfinalarabic = 0xfea2;
+ t.hahinitialarabic = 0xfea3;
+ t.hahiragana = 0x306f;
+ t.hahmedialarabic = 0xfea4;
+ t.haitusquare = 0x332a;
+ t.hakatakana = 0x30cf;
+ t.hakatakanahalfwidth = 0xff8a;
+ t.halantgurmukhi = 0x0a4d;
+ t.hamzaarabic = 0x0621;
+ t.hamzalowarabic = 0x0621;
+ t.hangulfiller = 0x3164;
+ t.hardsigncyrillic = 0x044a;
+ t.harpoonleftbarbup = 0x21bc;
+ t.harpoonrightbarbup = 0x21c0;
+ t.hasquare = 0x33ca;
+ t.hatafpatah = 0x05b2;
+ t.hatafpatah16 = 0x05b2;
+ t.hatafpatah23 = 0x05b2;
+ t.hatafpatah2f = 0x05b2;
+ t.hatafpatahhebrew = 0x05b2;
+ t.hatafpatahnarrowhebrew = 0x05b2;
+ t.hatafpatahquarterhebrew = 0x05b2;
+ t.hatafpatahwidehebrew = 0x05b2;
+ t.hatafqamats = 0x05b3;
+ t.hatafqamats1b = 0x05b3;
+ t.hatafqamats28 = 0x05b3;
+ t.hatafqamats34 = 0x05b3;
+ t.hatafqamatshebrew = 0x05b3;
+ t.hatafqamatsnarrowhebrew = 0x05b3;
+ t.hatafqamatsquarterhebrew = 0x05b3;
+ t.hatafqamatswidehebrew = 0x05b3;
+ t.hatafsegol = 0x05b1;
+ t.hatafsegol17 = 0x05b1;
+ t.hatafsegol24 = 0x05b1;
+ t.hatafsegol30 = 0x05b1;
+ t.hatafsegolhebrew = 0x05b1;
+ t.hatafsegolnarrowhebrew = 0x05b1;
+ t.hatafsegolquarterhebrew = 0x05b1;
+ t.hatafsegolwidehebrew = 0x05b1;
+ t.hbar = 0x0127;
+ t.hbopomofo = 0x310f;
+ t.hbrevebelow = 0x1e2b;
+ t.hcedilla = 0x1e29;
+ t.hcircle = 0x24d7;
+ t.hcircumflex = 0x0125;
+ t.hdieresis = 0x1e27;
+ t.hdotaccent = 0x1e23;
+ t.hdotbelow = 0x1e25;
+ t.he = 0x05d4;
+ t.heart = 0x2665;
+ t.heartsuitblack = 0x2665;
+ t.heartsuitwhite = 0x2661;
+ t.hedagesh = 0xfb34;
+ t.hedageshhebrew = 0xfb34;
+ t.hehaltonearabic = 0x06c1;
+ t.heharabic = 0x0647;
+ t.hehebrew = 0x05d4;
+ t.hehfinalaltonearabic = 0xfba7;
+ t.hehfinalalttwoarabic = 0xfeea;
+ t.hehfinalarabic = 0xfeea;
+ t.hehhamzaabovefinalarabic = 0xfba5;
+ t.hehhamzaaboveisolatedarabic = 0xfba4;
+ t.hehinitialaltonearabic = 0xfba8;
+ t.hehinitialarabic = 0xfeeb;
+ t.hehiragana = 0x3078;
+ t.hehmedialaltonearabic = 0xfba9;
+ t.hehmedialarabic = 0xfeec;
+ t.heiseierasquare = 0x337b;
+ t.hekatakana = 0x30d8;
+ t.hekatakanahalfwidth = 0xff8d;
+ t.hekutaarusquare = 0x3336;
+ t.henghook = 0x0267;
+ t.herutusquare = 0x3339;
+ t.het = 0x05d7;
+ t.hethebrew = 0x05d7;
+ t.hhook = 0x0266;
+ t.hhooksuperior = 0x02b1;
+ t.hieuhacirclekorean = 0x327b;
+ t.hieuhaparenkorean = 0x321b;
+ t.hieuhcirclekorean = 0x326d;
+ t.hieuhkorean = 0x314e;
+ t.hieuhparenkorean = 0x320d;
+ t.hihiragana = 0x3072;
+ t.hikatakana = 0x30d2;
+ t.hikatakanahalfwidth = 0xff8b;
+ t.hiriq = 0x05b4;
+ t.hiriq14 = 0x05b4;
+ t.hiriq21 = 0x05b4;
+ t.hiriq2d = 0x05b4;
+ t.hiriqhebrew = 0x05b4;
+ t.hiriqnarrowhebrew = 0x05b4;
+ t.hiriqquarterhebrew = 0x05b4;
+ t.hiriqwidehebrew = 0x05b4;
+ t.hlinebelow = 0x1e96;
+ t.hmonospace = 0xff48;
+ t.hoarmenian = 0x0570;
+ t.hohipthai = 0x0e2b;
+ t.hohiragana = 0x307b;
+ t.hokatakana = 0x30db;
+ t.hokatakanahalfwidth = 0xff8e;
+ t.holam = 0x05b9;
+ t.holam19 = 0x05b9;
+ t.holam26 = 0x05b9;
+ t.holam32 = 0x05b9;
+ t.holamhebrew = 0x05b9;
+ t.holamnarrowhebrew = 0x05b9;
+ t.holamquarterhebrew = 0x05b9;
+ t.holamwidehebrew = 0x05b9;
+ t.honokhukthai = 0x0e2e;
+ t.hookabovecomb = 0x0309;
+ t.hookcmb = 0x0309;
+ t.hookpalatalizedbelowcmb = 0x0321;
+ t.hookretroflexbelowcmb = 0x0322;
+ t.hoonsquare = 0x3342;
+ t.horicoptic = 0x03e9;
+ t.horizontalbar = 0x2015;
+ t.horncmb = 0x031b;
+ t.hotsprings = 0x2668;
+ t.house = 0x2302;
+ t.hparen = 0x24a3;
+ t.hsuperior = 0x02b0;
+ t.hturned = 0x0265;
+ t.huhiragana = 0x3075;
+ t.huiitosquare = 0x3333;
+ t.hukatakana = 0x30d5;
+ t.hukatakanahalfwidth = 0xff8c;
+ t.hungarumlaut = 0x02dd;
+ t.hungarumlautcmb = 0x030b;
+ t.hv = 0x0195;
+ t.hyphen = 0x002d;
+ t.hypheninferior = 0xf6e5;
+ t.hyphenmonospace = 0xff0d;
+ t.hyphensmall = 0xfe63;
+ t.hyphensuperior = 0xf6e6;
+ t.hyphentwo = 0x2010;
+ t.i = 0x0069;
+ t.iacute = 0x00ed;
+ t.iacyrillic = 0x044f;
+ t.ibengali = 0x0987;
+ t.ibopomofo = 0x3127;
+ t.ibreve = 0x012d;
+ t.icaron = 0x01d0;
+ t.icircle = 0x24d8;
+ t.icircumflex = 0x00ee;
+ t.icyrillic = 0x0456;
+ t.idblgrave = 0x0209;
+ t.ideographearthcircle = 0x328f;
+ t.ideographfirecircle = 0x328b;
+ t.ideographicallianceparen = 0x323f;
+ t.ideographiccallparen = 0x323a;
+ t.ideographiccentrecircle = 0x32a5;
+ t.ideographicclose = 0x3006;
+ t.ideographiccomma = 0x3001;
+ t.ideographiccommaleft = 0xff64;
+ t.ideographiccongratulationparen = 0x3237;
+ t.ideographiccorrectcircle = 0x32a3;
+ t.ideographicearthparen = 0x322f;
+ t.ideographicenterpriseparen = 0x323d;
+ t.ideographicexcellentcircle = 0x329d;
+ t.ideographicfestivalparen = 0x3240;
+ t.ideographicfinancialcircle = 0x3296;
+ t.ideographicfinancialparen = 0x3236;
+ t.ideographicfireparen = 0x322b;
+ t.ideographichaveparen = 0x3232;
+ t.ideographichighcircle = 0x32a4;
+ t.ideographiciterationmark = 0x3005;
+ t.ideographiclaborcircle = 0x3298;
+ t.ideographiclaborparen = 0x3238;
+ t.ideographicleftcircle = 0x32a7;
+ t.ideographiclowcircle = 0x32a6;
+ t.ideographicmedicinecircle = 0x32a9;
+ t.ideographicmetalparen = 0x322e;
+ t.ideographicmoonparen = 0x322a;
+ t.ideographicnameparen = 0x3234;
+ t.ideographicperiod = 0x3002;
+ t.ideographicprintcircle = 0x329e;
+ t.ideographicreachparen = 0x3243;
+ t.ideographicrepresentparen = 0x3239;
+ t.ideographicresourceparen = 0x323e;
+ t.ideographicrightcircle = 0x32a8;
+ t.ideographicsecretcircle = 0x3299;
+ t.ideographicselfparen = 0x3242;
+ t.ideographicsocietyparen = 0x3233;
+ t.ideographicspace = 0x3000;
+ t.ideographicspecialparen = 0x3235;
+ t.ideographicstockparen = 0x3231;
+ t.ideographicstudyparen = 0x323b;
+ t.ideographicsunparen = 0x3230;
+ t.ideographicsuperviseparen = 0x323c;
+ t.ideographicwaterparen = 0x322c;
+ t.ideographicwoodparen = 0x322d;
+ t.ideographiczero = 0x3007;
+ t.ideographmetalcircle = 0x328e;
+ t.ideographmooncircle = 0x328a;
+ t.ideographnamecircle = 0x3294;
+ t.ideographsuncircle = 0x3290;
+ t.ideographwatercircle = 0x328c;
+ t.ideographwoodcircle = 0x328d;
+ t.ideva = 0x0907;
+ t.idieresis = 0x00ef;
+ t.idieresisacute = 0x1e2f;
+ t.idieresiscyrillic = 0x04e5;
+ t.idotbelow = 0x1ecb;
+ t.iebrevecyrillic = 0x04d7;
+ t.iecyrillic = 0x0435;
+ t.ieungacirclekorean = 0x3275;
+ t.ieungaparenkorean = 0x3215;
+ t.ieungcirclekorean = 0x3267;
+ t.ieungkorean = 0x3147;
+ t.ieungparenkorean = 0x3207;
+ t.igrave = 0x00ec;
+ t.igujarati = 0x0a87;
+ t.igurmukhi = 0x0a07;
+ t.ihiragana = 0x3044;
+ t.ihookabove = 0x1ec9;
+ t.iibengali = 0x0988;
+ t.iicyrillic = 0x0438;
+ t.iideva = 0x0908;
+ t.iigujarati = 0x0a88;
+ t.iigurmukhi = 0x0a08;
+ t.iimatragurmukhi = 0x0a40;
+ t.iinvertedbreve = 0x020b;
+ t.iishortcyrillic = 0x0439;
+ t.iivowelsignbengali = 0x09c0;
+ t.iivowelsigndeva = 0x0940;
+ t.iivowelsigngujarati = 0x0ac0;
+ t.ij = 0x0133;
+ t.ikatakana = 0x30a4;
+ t.ikatakanahalfwidth = 0xff72;
+ t.ikorean = 0x3163;
+ t.ilde = 0x02dc;
+ t.iluyhebrew = 0x05ac;
+ t.imacron = 0x012b;
+ t.imacroncyrillic = 0x04e3;
+ t.imageorapproximatelyequal = 0x2253;
+ t.imatragurmukhi = 0x0a3f;
+ t.imonospace = 0xff49;
+ t.increment = 0x2206;
+ t.infinity = 0x221e;
+ t.iniarmenian = 0x056b;
+ t.integral = 0x222b;
+ t.integralbottom = 0x2321;
+ t.integralbt = 0x2321;
+ t.integralex = 0xf8f5;
+ t.integraltop = 0x2320;
+ t.integraltp = 0x2320;
+ t.intersection = 0x2229;
+ t.intisquare = 0x3305;
+ t.invbullet = 0x25d8;
+ t.invcircle = 0x25d9;
+ t.invsmileface = 0x263b;
+ t.iocyrillic = 0x0451;
+ t.iogonek = 0x012f;
+ t.iota = 0x03b9;
+ t.iotadieresis = 0x03ca;
+ t.iotadieresistonos = 0x0390;
+ t.iotalatin = 0x0269;
+ t.iotatonos = 0x03af;
+ t.iparen = 0x24a4;
+ t.irigurmukhi = 0x0a72;
+ t.ismallhiragana = 0x3043;
+ t.ismallkatakana = 0x30a3;
+ t.ismallkatakanahalfwidth = 0xff68;
+ t.issharbengali = 0x09fa;
+ t.istroke = 0x0268;
+ t.isuperior = 0xf6ed;
+ t.iterationhiragana = 0x309d;
+ t.iterationkatakana = 0x30fd;
+ t.itilde = 0x0129;
+ t.itildebelow = 0x1e2d;
+ t.iubopomofo = 0x3129;
+ t.iucyrillic = 0x044e;
+ t.ivowelsignbengali = 0x09bf;
+ t.ivowelsigndeva = 0x093f;
+ t.ivowelsigngujarati = 0x0abf;
+ t.izhitsacyrillic = 0x0475;
+ t.izhitsadblgravecyrillic = 0x0477;
+ t.j = 0x006a;
+ t.jaarmenian = 0x0571;
+ t.jabengali = 0x099c;
+ t.jadeva = 0x091c;
+ t.jagujarati = 0x0a9c;
+ t.jagurmukhi = 0x0a1c;
+ t.jbopomofo = 0x3110;
+ t.jcaron = 0x01f0;
+ t.jcircle = 0x24d9;
+ t.jcircumflex = 0x0135;
+ t.jcrossedtail = 0x029d;
+ t.jdotlessstroke = 0x025f;
+ t.jecyrillic = 0x0458;
+ t.jeemarabic = 0x062c;
+ t.jeemfinalarabic = 0xfe9e;
+ t.jeeminitialarabic = 0xfe9f;
+ t.jeemmedialarabic = 0xfea0;
+ t.jeharabic = 0x0698;
+ t.jehfinalarabic = 0xfb8b;
+ t.jhabengali = 0x099d;
+ t.jhadeva = 0x091d;
+ t.jhagujarati = 0x0a9d;
+ t.jhagurmukhi = 0x0a1d;
+ t.jheharmenian = 0x057b;
+ t.jis = 0x3004;
+ t.jmonospace = 0xff4a;
+ t.jparen = 0x24a5;
+ t.jsuperior = 0x02b2;
+ t.k = 0x006b;
+ t.kabashkircyrillic = 0x04a1;
+ t.kabengali = 0x0995;
+ t.kacute = 0x1e31;
+ t.kacyrillic = 0x043a;
+ t.kadescendercyrillic = 0x049b;
+ t.kadeva = 0x0915;
+ t.kaf = 0x05db;
+ t.kafarabic = 0x0643;
+ t.kafdagesh = 0xfb3b;
+ t.kafdageshhebrew = 0xfb3b;
+ t.kaffinalarabic = 0xfeda;
+ t.kafhebrew = 0x05db;
+ t.kafinitialarabic = 0xfedb;
+ t.kafmedialarabic = 0xfedc;
+ t.kafrafehebrew = 0xfb4d;
+ t.kagujarati = 0x0a95;
+ t.kagurmukhi = 0x0a15;
+ t.kahiragana = 0x304b;
+ t.kahookcyrillic = 0x04c4;
+ t.kakatakana = 0x30ab;
+ t.kakatakanahalfwidth = 0xff76;
+ t.kappa = 0x03ba;
+ t.kappasymbolgreek = 0x03f0;
+ t.kapyeounmieumkorean = 0x3171;
+ t.kapyeounphieuphkorean = 0x3184;
+ t.kapyeounpieupkorean = 0x3178;
+ t.kapyeounssangpieupkorean = 0x3179;
+ t.karoriisquare = 0x330d;
+ t.kashidaautoarabic = 0x0640;
+ t.kashidaautonosidebearingarabic = 0x0640;
+ t.kasmallkatakana = 0x30f5;
+ t.kasquare = 0x3384;
+ t.kasraarabic = 0x0650;
+ t.kasratanarabic = 0x064d;
+ t.kastrokecyrillic = 0x049f;
+ t.katahiraprolongmarkhalfwidth = 0xff70;
+ t.kaverticalstrokecyrillic = 0x049d;
+ t.kbopomofo = 0x310e;
+ t.kcalsquare = 0x3389;
+ t.kcaron = 0x01e9;
+ t.kcedilla = 0x0137;
+ t.kcircle = 0x24da;
+ t.kcommaaccent = 0x0137;
+ t.kdotbelow = 0x1e33;
+ t.keharmenian = 0x0584;
+ t.kehiragana = 0x3051;
+ t.kekatakana = 0x30b1;
+ t.kekatakanahalfwidth = 0xff79;
+ t.kenarmenian = 0x056f;
+ t.kesmallkatakana = 0x30f6;
+ t.kgreenlandic = 0x0138;
+ t.khabengali = 0x0996;
+ t.khacyrillic = 0x0445;
+ t.khadeva = 0x0916;
+ t.khagujarati = 0x0a96;
+ t.khagurmukhi = 0x0a16;
+ t.khaharabic = 0x062e;
+ t.khahfinalarabic = 0xfea6;
+ t.khahinitialarabic = 0xfea7;
+ t.khahmedialarabic = 0xfea8;
+ t.kheicoptic = 0x03e7;
+ t.khhadeva = 0x0959;
+ t.khhagurmukhi = 0x0a59;
+ t.khieukhacirclekorean = 0x3278;
+ t.khieukhaparenkorean = 0x3218;
+ t.khieukhcirclekorean = 0x326a;
+ t.khieukhkorean = 0x314b;
+ t.khieukhparenkorean = 0x320a;
+ t.khokhaithai = 0x0e02;
+ t.khokhonthai = 0x0e05;
+ t.khokhuatthai = 0x0e03;
+ t.khokhwaithai = 0x0e04;
+ t.khomutthai = 0x0e5b;
+ t.khook = 0x0199;
+ t.khorakhangthai = 0x0e06;
+ t.khzsquare = 0x3391;
+ t.kihiragana = 0x304d;
+ t.kikatakana = 0x30ad;
+ t.kikatakanahalfwidth = 0xff77;
+ t.kiroguramusquare = 0x3315;
+ t.kiromeetorusquare = 0x3316;
+ t.kirosquare = 0x3314;
+ t.kiyeokacirclekorean = 0x326e;
+ t.kiyeokaparenkorean = 0x320e;
+ t.kiyeokcirclekorean = 0x3260;
+ t.kiyeokkorean = 0x3131;
+ t.kiyeokparenkorean = 0x3200;
+ t.kiyeoksioskorean = 0x3133;
+ t.kjecyrillic = 0x045c;
+ t.klinebelow = 0x1e35;
+ t.klsquare = 0x3398;
+ t.kmcubedsquare = 0x33a6;
+ t.kmonospace = 0xff4b;
+ t.kmsquaredsquare = 0x33a2;
+ t.kohiragana = 0x3053;
+ t.kohmsquare = 0x33c0;
+ t.kokaithai = 0x0e01;
+ t.kokatakana = 0x30b3;
+ t.kokatakanahalfwidth = 0xff7a;
+ t.kooposquare = 0x331e;
+ t.koppacyrillic = 0x0481;
+ t.koreanstandardsymbol = 0x327f;
+ t.koroniscmb = 0x0343;
+ t.kparen = 0x24a6;
+ t.kpasquare = 0x33aa;
+ t.ksicyrillic = 0x046f;
+ t.ktsquare = 0x33cf;
+ t.kturned = 0x029e;
+ t.kuhiragana = 0x304f;
+ t.kukatakana = 0x30af;
+ t.kukatakanahalfwidth = 0xff78;
+ t.kvsquare = 0x33b8;
+ t.kwsquare = 0x33be;
+ t.l = 0x006c;
+ t.labengali = 0x09b2;
+ t.lacute = 0x013a;
+ t.ladeva = 0x0932;
+ t.lagujarati = 0x0ab2;
+ t.lagurmukhi = 0x0a32;
+ t.lakkhangyaothai = 0x0e45;
+ t.lamaleffinalarabic = 0xfefc;
+ t.lamalefhamzaabovefinalarabic = 0xfef8;
+ t.lamalefhamzaaboveisolatedarabic = 0xfef7;
+ t.lamalefhamzabelowfinalarabic = 0xfefa;
+ t.lamalefhamzabelowisolatedarabic = 0xfef9;
+ t.lamalefisolatedarabic = 0xfefb;
+ t.lamalefmaddaabovefinalarabic = 0xfef6;
+ t.lamalefmaddaaboveisolatedarabic = 0xfef5;
+ t.lamarabic = 0x0644;
+ t.lambda = 0x03bb;
+ t.lambdastroke = 0x019b;
+ t.lamed = 0x05dc;
+ t.lameddagesh = 0xfb3c;
+ t.lameddageshhebrew = 0xfb3c;
+ t.lamedhebrew = 0x05dc;
+ t.lamfinalarabic = 0xfede;
+ t.lamhahinitialarabic = 0xfcca;
+ t.laminitialarabic = 0xfedf;
+ t.lamjeeminitialarabic = 0xfcc9;
+ t.lamkhahinitialarabic = 0xfccb;
+ t.lamlamhehisolatedarabic = 0xfdf2;
+ t.lammedialarabic = 0xfee0;
+ t.lammeemhahinitialarabic = 0xfd88;
+ t.lammeeminitialarabic = 0xfccc;
+ t.largecircle = 0x25ef;
+ t.lbar = 0x019a;
+ t.lbelt = 0x026c;
+ t.lbopomofo = 0x310c;
+ t.lcaron = 0x013e;
+ t.lcedilla = 0x013c;
+ t.lcircle = 0x24db;
+ t.lcircumflexbelow = 0x1e3d;
+ t.lcommaaccent = 0x013c;
+ t.ldot = 0x0140;
+ t.ldotaccent = 0x0140;
+ t.ldotbelow = 0x1e37;
+ t.ldotbelowmacron = 0x1e39;
+ t.leftangleabovecmb = 0x031a;
+ t.lefttackbelowcmb = 0x0318;
+ t.less = 0x003c;
+ t.lessequal = 0x2264;
+ t.lessequalorgreater = 0x22da;
+ t.lessmonospace = 0xff1c;
+ t.lessorequivalent = 0x2272;
+ t.lessorgreater = 0x2276;
+ t.lessoverequal = 0x2266;
+ t.lesssmall = 0xfe64;
+ t.lezh = 0x026e;
+ t.lfblock = 0x258c;
+ t.lhookretroflex = 0x026d;
+ t.lira = 0x20a4;
+ t.liwnarmenian = 0x056c;
+ t.lj = 0x01c9;
+ t.ljecyrillic = 0x0459;
+ t.ll = 0xf6c0;
+ t.lladeva = 0x0933;
+ t.llagujarati = 0x0ab3;
+ t.llinebelow = 0x1e3b;
+ t.llladeva = 0x0934;
+ t.llvocalicbengali = 0x09e1;
+ t.llvocalicdeva = 0x0961;
+ t.llvocalicvowelsignbengali = 0x09e3;
+ t.llvocalicvowelsigndeva = 0x0963;
+ t.lmiddletilde = 0x026b;
+ t.lmonospace = 0xff4c;
+ t.lmsquare = 0x33d0;
+ t.lochulathai = 0x0e2c;
+ t.logicaland = 0x2227;
+ t.logicalnot = 0x00ac;
+ t.logicalnotreversed = 0x2310;
+ t.logicalor = 0x2228;
+ t.lolingthai = 0x0e25;
+ t.longs = 0x017f;
+ t.lowlinecenterline = 0xfe4e;
+ t.lowlinecmb = 0x0332;
+ t.lowlinedashed = 0xfe4d;
+ t.lozenge = 0x25ca;
+ t.lparen = 0x24a7;
+ t.lslash = 0x0142;
+ t.lsquare = 0x2113;
+ t.lsuperior = 0xf6ee;
+ t.ltshade = 0x2591;
+ t.luthai = 0x0e26;
+ t.lvocalicbengali = 0x098c;
+ t.lvocalicdeva = 0x090c;
+ t.lvocalicvowelsignbengali = 0x09e2;
+ t.lvocalicvowelsigndeva = 0x0962;
+ t.lxsquare = 0x33d3;
+ t.m = 0x006d;
+ t.mabengali = 0x09ae;
+ t.macron = 0x00af;
+ t.macronbelowcmb = 0x0331;
+ t.macroncmb = 0x0304;
+ t.macronlowmod = 0x02cd;
+ t.macronmonospace = 0xffe3;
+ t.macute = 0x1e3f;
+ t.madeva = 0x092e;
+ t.magujarati = 0x0aae;
+ t.magurmukhi = 0x0a2e;
+ t.mahapakhhebrew = 0x05a4;
+ t.mahapakhlefthebrew = 0x05a4;
+ t.mahiragana = 0x307e;
+ t.maichattawalowleftthai = 0xf895;
+ t.maichattawalowrightthai = 0xf894;
+ t.maichattawathai = 0x0e4b;
+ t.maichattawaupperleftthai = 0xf893;
+ t.maieklowleftthai = 0xf88c;
+ t.maieklowrightthai = 0xf88b;
+ t.maiekthai = 0x0e48;
+ t.maiekupperleftthai = 0xf88a;
+ t.maihanakatleftthai = 0xf884;
+ t.maihanakatthai = 0x0e31;
+ t.maitaikhuleftthai = 0xf889;
+ t.maitaikhuthai = 0x0e47;
+ t.maitholowleftthai = 0xf88f;
+ t.maitholowrightthai = 0xf88e;
+ t.maithothai = 0x0e49;
+ t.maithoupperleftthai = 0xf88d;
+ t.maitrilowleftthai = 0xf892;
+ t.maitrilowrightthai = 0xf891;
+ t.maitrithai = 0x0e4a;
+ t.maitriupperleftthai = 0xf890;
+ t.maiyamokthai = 0x0e46;
+ t.makatakana = 0x30de;
+ t.makatakanahalfwidth = 0xff8f;
+ t.male = 0x2642;
+ t.mansyonsquare = 0x3347;
+ t.maqafhebrew = 0x05be;
+ t.mars = 0x2642;
+ t.masoracirclehebrew = 0x05af;
+ t.masquare = 0x3383;
+ t.mbopomofo = 0x3107;
+ t.mbsquare = 0x33d4;
+ t.mcircle = 0x24dc;
+ t.mcubedsquare = 0x33a5;
+ t.mdotaccent = 0x1e41;
+ t.mdotbelow = 0x1e43;
+ t.meemarabic = 0x0645;
+ t.meemfinalarabic = 0xfee2;
+ t.meeminitialarabic = 0xfee3;
+ t.meemmedialarabic = 0xfee4;
+ t.meemmeeminitialarabic = 0xfcd1;
+ t.meemmeemisolatedarabic = 0xfc48;
+ t.meetorusquare = 0x334d;
+ t.mehiragana = 0x3081;
+ t.meizierasquare = 0x337e;
+ t.mekatakana = 0x30e1;
+ t.mekatakanahalfwidth = 0xff92;
+ t.mem = 0x05de;
+ t.memdagesh = 0xfb3e;
+ t.memdageshhebrew = 0xfb3e;
+ t.memhebrew = 0x05de;
+ t.menarmenian = 0x0574;
+ t.merkhahebrew = 0x05a5;
+ t.merkhakefulahebrew = 0x05a6;
+ t.merkhakefulalefthebrew = 0x05a6;
+ t.merkhalefthebrew = 0x05a5;
+ t.mhook = 0x0271;
+ t.mhzsquare = 0x3392;
+ t.middledotkatakanahalfwidth = 0xff65;
+ t.middot = 0x00b7;
+ t.mieumacirclekorean = 0x3272;
+ t.mieumaparenkorean = 0x3212;
+ t.mieumcirclekorean = 0x3264;
+ t.mieumkorean = 0x3141;
+ t.mieumpansioskorean = 0x3170;
+ t.mieumparenkorean = 0x3204;
+ t.mieumpieupkorean = 0x316e;
+ t.mieumsioskorean = 0x316f;
+ t.mihiragana = 0x307f;
+ t.mikatakana = 0x30df;
+ t.mikatakanahalfwidth = 0xff90;
+ t.minus = 0x2212;
+ t.minusbelowcmb = 0x0320;
+ t.minuscircle = 0x2296;
+ t.minusmod = 0x02d7;
+ t.minusplus = 0x2213;
+ t.minute = 0x2032;
+ t.miribaarusquare = 0x334a;
+ t.mirisquare = 0x3349;
+ t.mlonglegturned = 0x0270;
+ t.mlsquare = 0x3396;
+ t.mmcubedsquare = 0x33a3;
+ t.mmonospace = 0xff4d;
+ t.mmsquaredsquare = 0x339f;
+ t.mohiragana = 0x3082;
+ t.mohmsquare = 0x33c1;
+ t.mokatakana = 0x30e2;
+ t.mokatakanahalfwidth = 0xff93;
+ t.molsquare = 0x33d6;
+ t.momathai = 0x0e21;
+ t.moverssquare = 0x33a7;
+ t.moverssquaredsquare = 0x33a8;
+ t.mparen = 0x24a8;
+ t.mpasquare = 0x33ab;
+ t.mssquare = 0x33b3;
+ t.msuperior = 0xf6ef;
+ t.mturned = 0x026f;
+ t.mu = 0x00b5;
+ t.mu1 = 0x00b5;
+ t.muasquare = 0x3382;
+ t.muchgreater = 0x226b;
+ t.muchless = 0x226a;
+ t.mufsquare = 0x338c;
+ t.mugreek = 0x03bc;
+ t.mugsquare = 0x338d;
+ t.muhiragana = 0x3080;
+ t.mukatakana = 0x30e0;
+ t.mukatakanahalfwidth = 0xff91;
+ t.mulsquare = 0x3395;
+ t.multiply = 0x00d7;
+ t.mumsquare = 0x339b;
+ t.munahhebrew = 0x05a3;
+ t.munahlefthebrew = 0x05a3;
+ t.musicalnote = 0x266a;
+ t.musicalnotedbl = 0x266b;
+ t.musicflatsign = 0x266d;
+ t.musicsharpsign = 0x266f;
+ t.mussquare = 0x33b2;
+ t.muvsquare = 0x33b6;
+ t.muwsquare = 0x33bc;
+ t.mvmegasquare = 0x33b9;
+ t.mvsquare = 0x33b7;
+ t.mwmegasquare = 0x33bf;
+ t.mwsquare = 0x33bd;
+ t.n = 0x006e;
+ t.nabengali = 0x09a8;
+ t.nabla = 0x2207;
+ t.nacute = 0x0144;
+ t.nadeva = 0x0928;
+ t.nagujarati = 0x0aa8;
+ t.nagurmukhi = 0x0a28;
+ t.nahiragana = 0x306a;
+ t.nakatakana = 0x30ca;
+ t.nakatakanahalfwidth = 0xff85;
+ t.napostrophe = 0x0149;
+ t.nasquare = 0x3381;
+ t.nbopomofo = 0x310b;
+ t.nbspace = 0x00a0;
+ t.ncaron = 0x0148;
+ t.ncedilla = 0x0146;
+ t.ncircle = 0x24dd;
+ t.ncircumflexbelow = 0x1e4b;
+ t.ncommaaccent = 0x0146;
+ t.ndotaccent = 0x1e45;
+ t.ndotbelow = 0x1e47;
+ t.nehiragana = 0x306d;
+ t.nekatakana = 0x30cd;
+ t.nekatakanahalfwidth = 0xff88;
+ t.newsheqelsign = 0x20aa;
+ t.nfsquare = 0x338b;
+ t.ngabengali = 0x0999;
+ t.ngadeva = 0x0919;
+ t.ngagujarati = 0x0a99;
+ t.ngagurmukhi = 0x0a19;
+ t.ngonguthai = 0x0e07;
+ t.nhiragana = 0x3093;
+ t.nhookleft = 0x0272;
+ t.nhookretroflex = 0x0273;
+ t.nieunacirclekorean = 0x326f;
+ t.nieunaparenkorean = 0x320f;
+ t.nieuncieuckorean = 0x3135;
+ t.nieuncirclekorean = 0x3261;
+ t.nieunhieuhkorean = 0x3136;
+ t.nieunkorean = 0x3134;
+ t.nieunpansioskorean = 0x3168;
+ t.nieunparenkorean = 0x3201;
+ t.nieunsioskorean = 0x3167;
+ t.nieuntikeutkorean = 0x3166;
+ t.nihiragana = 0x306b;
+ t.nikatakana = 0x30cb;
+ t.nikatakanahalfwidth = 0xff86;
+ t.nikhahitleftthai = 0xf899;
+ t.nikhahitthai = 0x0e4d;
+ t.nine = 0x0039;
+ t.ninearabic = 0x0669;
+ t.ninebengali = 0x09ef;
+ t.ninecircle = 0x2468;
+ t.ninecircleinversesansserif = 0x2792;
+ t.ninedeva = 0x096f;
+ t.ninegujarati = 0x0aef;
+ t.ninegurmukhi = 0x0a6f;
+ t.ninehackarabic = 0x0669;
+ t.ninehangzhou = 0x3029;
+ t.nineideographicparen = 0x3228;
+ t.nineinferior = 0x2089;
+ t.ninemonospace = 0xff19;
+ t.nineoldstyle = 0xf739;
+ t.nineparen = 0x247c;
+ t.nineperiod = 0x2490;
+ t.ninepersian = 0x06f9;
+ t.nineroman = 0x2178;
+ t.ninesuperior = 0x2079;
+ t.nineteencircle = 0x2472;
+ t.nineteenparen = 0x2486;
+ t.nineteenperiod = 0x249a;
+ t.ninethai = 0x0e59;
+ t.nj = 0x01cc;
+ t.njecyrillic = 0x045a;
+ t.nkatakana = 0x30f3;
+ t.nkatakanahalfwidth = 0xff9d;
+ t.nlegrightlong = 0x019e;
+ t.nlinebelow = 0x1e49;
+ t.nmonospace = 0xff4e;
+ t.nmsquare = 0x339a;
+ t.nnabengali = 0x09a3;
+ t.nnadeva = 0x0923;
+ t.nnagujarati = 0x0aa3;
+ t.nnagurmukhi = 0x0a23;
+ t.nnnadeva = 0x0929;
+ t.nohiragana = 0x306e;
+ t.nokatakana = 0x30ce;
+ t.nokatakanahalfwidth = 0xff89;
+ t.nonbreakingspace = 0x00a0;
+ t.nonenthai = 0x0e13;
+ t.nonuthai = 0x0e19;
+ t.noonarabic = 0x0646;
+ t.noonfinalarabic = 0xfee6;
+ t.noonghunnaarabic = 0x06ba;
+ t.noonghunnafinalarabic = 0xfb9f;
+ t.nooninitialarabic = 0xfee7;
+ t.noonjeeminitialarabic = 0xfcd2;
+ t.noonjeemisolatedarabic = 0xfc4b;
+ t.noonmedialarabic = 0xfee8;
+ t.noonmeeminitialarabic = 0xfcd5;
+ t.noonmeemisolatedarabic = 0xfc4e;
+ t.noonnoonfinalarabic = 0xfc8d;
+ t.notcontains = 0x220c;
+ t.notelement = 0x2209;
+ t.notelementof = 0x2209;
+ t.notequal = 0x2260;
+ t.notgreater = 0x226f;
+ t.notgreaternorequal = 0x2271;
+ t.notgreaternorless = 0x2279;
+ t.notidentical = 0x2262;
+ t.notless = 0x226e;
+ t.notlessnorequal = 0x2270;
+ t.notparallel = 0x2226;
+ t.notprecedes = 0x2280;
+ t.notsubset = 0x2284;
+ t.notsucceeds = 0x2281;
+ t.notsuperset = 0x2285;
+ t.nowarmenian = 0x0576;
+ t.nparen = 0x24a9;
+ t.nssquare = 0x33b1;
+ t.nsuperior = 0x207f;
+ t.ntilde = 0x00f1;
+ t.nu = 0x03bd;
+ t.nuhiragana = 0x306c;
+ t.nukatakana = 0x30cc;
+ t.nukatakanahalfwidth = 0xff87;
+ t.nuktabengali = 0x09bc;
+ t.nuktadeva = 0x093c;
+ t.nuktagujarati = 0x0abc;
+ t.nuktagurmukhi = 0x0a3c;
+ t.numbersign = 0x0023;
+ t.numbersignmonospace = 0xff03;
+ t.numbersignsmall = 0xfe5f;
+ t.numeralsigngreek = 0x0374;
+ t.numeralsignlowergreek = 0x0375;
+ t.numero = 0x2116;
+ t.nun = 0x05e0;
+ t.nundagesh = 0xfb40;
+ t.nundageshhebrew = 0xfb40;
+ t.nunhebrew = 0x05e0;
+ t.nvsquare = 0x33b5;
+ t.nwsquare = 0x33bb;
+ t.nyabengali = 0x099e;
+ t.nyadeva = 0x091e;
+ t.nyagujarati = 0x0a9e;
+ t.nyagurmukhi = 0x0a1e;
+ t.o = 0x006f;
+ t.oacute = 0x00f3;
+ t.oangthai = 0x0e2d;
+ t.obarred = 0x0275;
+ t.obarredcyrillic = 0x04e9;
+ t.obarreddieresiscyrillic = 0x04eb;
+ t.obengali = 0x0993;
+ t.obopomofo = 0x311b;
+ t.obreve = 0x014f;
+ t.ocandradeva = 0x0911;
+ t.ocandragujarati = 0x0a91;
+ t.ocandravowelsigndeva = 0x0949;
+ t.ocandravowelsigngujarati = 0x0ac9;
+ t.ocaron = 0x01d2;
+ t.ocircle = 0x24de;
+ t.ocircumflex = 0x00f4;
+ t.ocircumflexacute = 0x1ed1;
+ t.ocircumflexdotbelow = 0x1ed9;
+ t.ocircumflexgrave = 0x1ed3;
+ t.ocircumflexhookabove = 0x1ed5;
+ t.ocircumflextilde = 0x1ed7;
+ t.ocyrillic = 0x043e;
+ t.odblacute = 0x0151;
+ t.odblgrave = 0x020d;
+ t.odeva = 0x0913;
+ t.odieresis = 0x00f6;
+ t.odieresiscyrillic = 0x04e7;
+ t.odotbelow = 0x1ecd;
+ t.oe = 0x0153;
+ t.oekorean = 0x315a;
+ t.ogonek = 0x02db;
+ t.ogonekcmb = 0x0328;
+ t.ograve = 0x00f2;
+ t.ogujarati = 0x0a93;
+ t.oharmenian = 0x0585;
+ t.ohiragana = 0x304a;
+ t.ohookabove = 0x1ecf;
+ t.ohorn = 0x01a1;
+ t.ohornacute = 0x1edb;
+ t.ohorndotbelow = 0x1ee3;
+ t.ohorngrave = 0x1edd;
+ t.ohornhookabove = 0x1edf;
+ t.ohorntilde = 0x1ee1;
+ t.ohungarumlaut = 0x0151;
+ t.oi = 0x01a3;
+ t.oinvertedbreve = 0x020f;
+ t.okatakana = 0x30aa;
+ t.okatakanahalfwidth = 0xff75;
+ t.okorean = 0x3157;
+ t.olehebrew = 0x05ab;
+ t.omacron = 0x014d;
+ t.omacronacute = 0x1e53;
+ t.omacrongrave = 0x1e51;
+ t.omdeva = 0x0950;
+ t.omega = 0x03c9;
+ t.omega1 = 0x03d6;
+ t.omegacyrillic = 0x0461;
+ t.omegalatinclosed = 0x0277;
+ t.omegaroundcyrillic = 0x047b;
+ t.omegatitlocyrillic = 0x047d;
+ t.omegatonos = 0x03ce;
+ t.omgujarati = 0x0ad0;
+ t.omicron = 0x03bf;
+ t.omicrontonos = 0x03cc;
+ t.omonospace = 0xff4f;
+ t.one = 0x0031;
+ t.onearabic = 0x0661;
+ t.onebengali = 0x09e7;
+ t.onecircle = 0x2460;
+ t.onecircleinversesansserif = 0x278a;
+ t.onedeva = 0x0967;
+ t.onedotenleader = 0x2024;
+ t.oneeighth = 0x215b;
+ t.onefitted = 0xf6dc;
+ t.onegujarati = 0x0ae7;
+ t.onegurmukhi = 0x0a67;
+ t.onehackarabic = 0x0661;
+ t.onehalf = 0x00bd;
+ t.onehangzhou = 0x3021;
+ t.oneideographicparen = 0x3220;
+ t.oneinferior = 0x2081;
+ t.onemonospace = 0xff11;
+ t.onenumeratorbengali = 0x09f4;
+ t.oneoldstyle = 0xf731;
+ t.oneparen = 0x2474;
+ t.oneperiod = 0x2488;
+ t.onepersian = 0x06f1;
+ t.onequarter = 0x00bc;
+ t.oneroman = 0x2170;
+ t.onesuperior = 0x00b9;
+ t.onethai = 0x0e51;
+ t.onethird = 0x2153;
+ t.oogonek = 0x01eb;
+ t.oogonekmacron = 0x01ed;
+ t.oogurmukhi = 0x0a13;
+ t.oomatragurmukhi = 0x0a4b;
+ t.oopen = 0x0254;
+ t.oparen = 0x24aa;
+ t.openbullet = 0x25e6;
+ t.option = 0x2325;
+ t.ordfeminine = 0x00aa;
+ t.ordmasculine = 0x00ba;
+ t.orthogonal = 0x221f;
+ t.oshortdeva = 0x0912;
+ t.oshortvowelsigndeva = 0x094a;
+ t.oslash = 0x00f8;
+ t.oslashacute = 0x01ff;
+ t.osmallhiragana = 0x3049;
+ t.osmallkatakana = 0x30a9;
+ t.osmallkatakanahalfwidth = 0xff6b;
+ t.ostrokeacute = 0x01ff;
+ t.osuperior = 0xf6f0;
+ t.otcyrillic = 0x047f;
+ t.otilde = 0x00f5;
+ t.otildeacute = 0x1e4d;
+ t.otildedieresis = 0x1e4f;
+ t.oubopomofo = 0x3121;
+ t.overline = 0x203e;
+ t.overlinecenterline = 0xfe4a;
+ t.overlinecmb = 0x0305;
+ t.overlinedashed = 0xfe49;
+ t.overlinedblwavy = 0xfe4c;
+ t.overlinewavy = 0xfe4b;
+ t.overscore = 0x00af;
+ t.ovowelsignbengali = 0x09cb;
+ t.ovowelsigndeva = 0x094b;
+ t.ovowelsigngujarati = 0x0acb;
+ t.p = 0x0070;
+ t.paampssquare = 0x3380;
+ t.paasentosquare = 0x332b;
+ t.pabengali = 0x09aa;
+ t.pacute = 0x1e55;
+ t.padeva = 0x092a;
+ t.pagedown = 0x21df;
+ t.pageup = 0x21de;
+ t.pagujarati = 0x0aaa;
+ t.pagurmukhi = 0x0a2a;
+ t.pahiragana = 0x3071;
+ t.paiyannoithai = 0x0e2f;
+ t.pakatakana = 0x30d1;
+ t.palatalizationcyrilliccmb = 0x0484;
+ t.palochkacyrillic = 0x04c0;
+ t.pansioskorean = 0x317f;
+ t.paragraph = 0x00b6;
+ t.parallel = 0x2225;
+ t.parenleft = 0x0028;
+ t.parenleftaltonearabic = 0xfd3e;
+ t.parenleftbt = 0xf8ed;
+ t.parenleftex = 0xf8ec;
+ t.parenleftinferior = 0x208d;
+ t.parenleftmonospace = 0xff08;
+ t.parenleftsmall = 0xfe59;
+ t.parenleftsuperior = 0x207d;
+ t.parenlefttp = 0xf8eb;
+ t.parenleftvertical = 0xfe35;
+ t.parenright = 0x0029;
+ t.parenrightaltonearabic = 0xfd3f;
+ t.parenrightbt = 0xf8f8;
+ t.parenrightex = 0xf8f7;
+ t.parenrightinferior = 0x208e;
+ t.parenrightmonospace = 0xff09;
+ t.parenrightsmall = 0xfe5a;
+ t.parenrightsuperior = 0x207e;
+ t.parenrighttp = 0xf8f6;
+ t.parenrightvertical = 0xfe36;
+ t.partialdiff = 0x2202;
+ t.paseqhebrew = 0x05c0;
+ t.pashtahebrew = 0x0599;
+ t.pasquare = 0x33a9;
+ t.patah = 0x05b7;
+ t.patah11 = 0x05b7;
+ t.patah1d = 0x05b7;
+ t.patah2a = 0x05b7;
+ t.patahhebrew = 0x05b7;
+ t.patahnarrowhebrew = 0x05b7;
+ t.patahquarterhebrew = 0x05b7;
+ t.patahwidehebrew = 0x05b7;
+ t.pazerhebrew = 0x05a1;
+ t.pbopomofo = 0x3106;
+ t.pcircle = 0x24df;
+ t.pdotaccent = 0x1e57;
+ t.pe = 0x05e4;
+ t.pecyrillic = 0x043f;
+ t.pedagesh = 0xfb44;
+ t.pedageshhebrew = 0xfb44;
+ t.peezisquare = 0x333b;
+ t.pefinaldageshhebrew = 0xfb43;
+ t.peharabic = 0x067e;
+ t.peharmenian = 0x057a;
+ t.pehebrew = 0x05e4;
+ t.pehfinalarabic = 0xfb57;
+ t.pehinitialarabic = 0xfb58;
+ t.pehiragana = 0x307a;
+ t.pehmedialarabic = 0xfb59;
+ t.pekatakana = 0x30da;
+ t.pemiddlehookcyrillic = 0x04a7;
+ t.perafehebrew = 0xfb4e;
+ t.percent = 0x0025;
+ t.percentarabic = 0x066a;
+ t.percentmonospace = 0xff05;
+ t.percentsmall = 0xfe6a;
+ t.period = 0x002e;
+ t.periodarmenian = 0x0589;
+ t.periodcentered = 0x00b7;
+ t.periodhalfwidth = 0xff61;
+ t.periodinferior = 0xf6e7;
+ t.periodmonospace = 0xff0e;
+ t.periodsmall = 0xfe52;
+ t.periodsuperior = 0xf6e8;
+ t.perispomenigreekcmb = 0x0342;
+ t.perpendicular = 0x22a5;
+ t.perthousand = 0x2030;
+ t.peseta = 0x20a7;
+ t.pfsquare = 0x338a;
+ t.phabengali = 0x09ab;
+ t.phadeva = 0x092b;
+ t.phagujarati = 0x0aab;
+ t.phagurmukhi = 0x0a2b;
+ t.phi = 0x03c6;
+ t.phi1 = 0x03d5;
+ t.phieuphacirclekorean = 0x327a;
+ t.phieuphaparenkorean = 0x321a;
+ t.phieuphcirclekorean = 0x326c;
+ t.phieuphkorean = 0x314d;
+ t.phieuphparenkorean = 0x320c;
+ t.philatin = 0x0278;
+ t.phinthuthai = 0x0e3a;
+ t.phisymbolgreek = 0x03d5;
+ t.phook = 0x01a5;
+ t.phophanthai = 0x0e1e;
+ t.phophungthai = 0x0e1c;
+ t.phosamphaothai = 0x0e20;
+ t.pi = 0x03c0;
+ t.pieupacirclekorean = 0x3273;
+ t.pieupaparenkorean = 0x3213;
+ t.pieupcieuckorean = 0x3176;
+ t.pieupcirclekorean = 0x3265;
+ t.pieupkiyeokkorean = 0x3172;
+ t.pieupkorean = 0x3142;
+ t.pieupparenkorean = 0x3205;
+ t.pieupsioskiyeokkorean = 0x3174;
+ t.pieupsioskorean = 0x3144;
+ t.pieupsiostikeutkorean = 0x3175;
+ t.pieupthieuthkorean = 0x3177;
+ t.pieuptikeutkorean = 0x3173;
+ t.pihiragana = 0x3074;
+ t.pikatakana = 0x30d4;
+ t.pisymbolgreek = 0x03d6;
+ t.piwrarmenian = 0x0583;
+ t.plus = 0x002b;
+ t.plusbelowcmb = 0x031f;
+ t.pluscircle = 0x2295;
+ t.plusminus = 0x00b1;
+ t.plusmod = 0x02d6;
+ t.plusmonospace = 0xff0b;
+ t.plussmall = 0xfe62;
+ t.plussuperior = 0x207a;
+ t.pmonospace = 0xff50;
+ t.pmsquare = 0x33d8;
+ t.pohiragana = 0x307d;
+ t.pointingindexdownwhite = 0x261f;
+ t.pointingindexleftwhite = 0x261c;
+ t.pointingindexrightwhite = 0x261e;
+ t.pointingindexupwhite = 0x261d;
+ t.pokatakana = 0x30dd;
+ t.poplathai = 0x0e1b;
+ t.postalmark = 0x3012;
+ t.postalmarkface = 0x3020;
+ t.pparen = 0x24ab;
+ t.precedes = 0x227a;
+ t.prescription = 0x211e;
+ t.primemod = 0x02b9;
+ t.primereversed = 0x2035;
+ t.product = 0x220f;
+ t.projective = 0x2305;
+ t.prolongedkana = 0x30fc;
+ t.propellor = 0x2318;
+ t.propersubset = 0x2282;
+ t.propersuperset = 0x2283;
+ t.proportion = 0x2237;
+ t.proportional = 0x221d;
+ t.psi = 0x03c8;
+ t.psicyrillic = 0x0471;
+ t.psilipneumatacyrilliccmb = 0x0486;
+ t.pssquare = 0x33b0;
+ t.puhiragana = 0x3077;
+ t.pukatakana = 0x30d7;
+ t.pvsquare = 0x33b4;
+ t.pwsquare = 0x33ba;
+ t.q = 0x0071;
+ t.qadeva = 0x0958;
+ t.qadmahebrew = 0x05a8;
+ t.qafarabic = 0x0642;
+ t.qaffinalarabic = 0xfed6;
+ t.qafinitialarabic = 0xfed7;
+ t.qafmedialarabic = 0xfed8;
+ t.qamats = 0x05b8;
+ t.qamats10 = 0x05b8;
+ t.qamats1a = 0x05b8;
+ t.qamats1c = 0x05b8;
+ t.qamats27 = 0x05b8;
+ t.qamats29 = 0x05b8;
+ t.qamats33 = 0x05b8;
+ t.qamatsde = 0x05b8;
+ t.qamatshebrew = 0x05b8;
+ t.qamatsnarrowhebrew = 0x05b8;
+ t.qamatsqatanhebrew = 0x05b8;
+ t.qamatsqatannarrowhebrew = 0x05b8;
+ t.qamatsqatanquarterhebrew = 0x05b8;
+ t.qamatsqatanwidehebrew = 0x05b8;
+ t.qamatsquarterhebrew = 0x05b8;
+ t.qamatswidehebrew = 0x05b8;
+ t.qarneyparahebrew = 0x059f;
+ t.qbopomofo = 0x3111;
+ t.qcircle = 0x24e0;
+ t.qhook = 0x02a0;
+ t.qmonospace = 0xff51;
+ t.qof = 0x05e7;
+ t.qofdagesh = 0xfb47;
+ t.qofdageshhebrew = 0xfb47;
+ t.qofhebrew = 0x05e7;
+ t.qparen = 0x24ac;
+ t.quarternote = 0x2669;
+ t.qubuts = 0x05bb;
+ t.qubuts18 = 0x05bb;
+ t.qubuts25 = 0x05bb;
+ t.qubuts31 = 0x05bb;
+ t.qubutshebrew = 0x05bb;
+ t.qubutsnarrowhebrew = 0x05bb;
+ t.qubutsquarterhebrew = 0x05bb;
+ t.qubutswidehebrew = 0x05bb;
+ t.question = 0x003f;
+ t.questionarabic = 0x061f;
+ t.questionarmenian = 0x055e;
+ t.questiondown = 0x00bf;
+ t.questiondownsmall = 0xf7bf;
+ t.questiongreek = 0x037e;
+ t.questionmonospace = 0xff1f;
+ t.questionsmall = 0xf73f;
+ t.quotedbl = 0x0022;
+ t.quotedblbase = 0x201e;
+ t.quotedblleft = 0x201c;
+ t.quotedblmonospace = 0xff02;
+ t.quotedblprime = 0x301e;
+ t.quotedblprimereversed = 0x301d;
+ t.quotedblright = 0x201d;
+ t.quoteleft = 0x2018;
+ t.quoteleftreversed = 0x201b;
+ t.quotereversed = 0x201b;
+ t.quoteright = 0x2019;
+ t.quoterightn = 0x0149;
+ t.quotesinglbase = 0x201a;
+ t.quotesingle = 0x0027;
+ t.quotesinglemonospace = 0xff07;
+ t.r = 0x0072;
+ t.raarmenian = 0x057c;
+ t.rabengali = 0x09b0;
+ t.racute = 0x0155;
+ t.radeva = 0x0930;
+ t.radical = 0x221a;
+ t.radicalex = 0xf8e5;
+ t.radoverssquare = 0x33ae;
+ t.radoverssquaredsquare = 0x33af;
+ t.radsquare = 0x33ad;
+ t.rafe = 0x05bf;
+ t.rafehebrew = 0x05bf;
+ t.ragujarati = 0x0ab0;
+ t.ragurmukhi = 0x0a30;
+ t.rahiragana = 0x3089;
+ t.rakatakana = 0x30e9;
+ t.rakatakanahalfwidth = 0xff97;
+ t.ralowerdiagonalbengali = 0x09f1;
+ t.ramiddlediagonalbengali = 0x09f0;
+ t.ramshorn = 0x0264;
+ t.ratio = 0x2236;
+ t.rbopomofo = 0x3116;
+ t.rcaron = 0x0159;
+ t.rcedilla = 0x0157;
+ t.rcircle = 0x24e1;
+ t.rcommaaccent = 0x0157;
+ t.rdblgrave = 0x0211;
+ t.rdotaccent = 0x1e59;
+ t.rdotbelow = 0x1e5b;
+ t.rdotbelowmacron = 0x1e5d;
+ t.referencemark = 0x203b;
+ t.reflexsubset = 0x2286;
+ t.reflexsuperset = 0x2287;
+ t.registered = 0x00ae;
+ t.registersans = 0xf8e8;
+ t.registerserif = 0xf6da;
+ t.reharabic = 0x0631;
+ t.reharmenian = 0x0580;
+ t.rehfinalarabic = 0xfeae;
+ t.rehiragana = 0x308c;
+ t.rekatakana = 0x30ec;
+ t.rekatakanahalfwidth = 0xff9a;
+ t.resh = 0x05e8;
+ t.reshdageshhebrew = 0xfb48;
+ t.reshhebrew = 0x05e8;
+ t.reversedtilde = 0x223d;
+ t.reviahebrew = 0x0597;
+ t.reviamugrashhebrew = 0x0597;
+ t.revlogicalnot = 0x2310;
+ t.rfishhook = 0x027e;
+ t.rfishhookreversed = 0x027f;
+ t.rhabengali = 0x09dd;
+ t.rhadeva = 0x095d;
+ t.rho = 0x03c1;
+ t.rhook = 0x027d;
+ t.rhookturned = 0x027b;
+ t.rhookturnedsuperior = 0x02b5;
+ t.rhosymbolgreek = 0x03f1;
+ t.rhotichookmod = 0x02de;
+ t.rieulacirclekorean = 0x3271;
+ t.rieulaparenkorean = 0x3211;
+ t.rieulcirclekorean = 0x3263;
+ t.rieulhieuhkorean = 0x3140;
+ t.rieulkiyeokkorean = 0x313a;
+ t.rieulkiyeoksioskorean = 0x3169;
+ t.rieulkorean = 0x3139;
+ t.rieulmieumkorean = 0x313b;
+ t.rieulpansioskorean = 0x316c;
+ t.rieulparenkorean = 0x3203;
+ t.rieulphieuphkorean = 0x313f;
+ t.rieulpieupkorean = 0x313c;
+ t.rieulpieupsioskorean = 0x316b;
+ t.rieulsioskorean = 0x313d;
+ t.rieulthieuthkorean = 0x313e;
+ t.rieultikeutkorean = 0x316a;
+ t.rieulyeorinhieuhkorean = 0x316d;
+ t.rightangle = 0x221f;
+ t.righttackbelowcmb = 0x0319;
+ t.righttriangle = 0x22bf;
+ t.rihiragana = 0x308a;
+ t.rikatakana = 0x30ea;
+ t.rikatakanahalfwidth = 0xff98;
+ t.ring = 0x02da;
+ t.ringbelowcmb = 0x0325;
+ t.ringcmb = 0x030a;
+ t.ringhalfleft = 0x02bf;
+ t.ringhalfleftarmenian = 0x0559;
+ t.ringhalfleftbelowcmb = 0x031c;
+ t.ringhalfleftcentered = 0x02d3;
+ t.ringhalfright = 0x02be;
+ t.ringhalfrightbelowcmb = 0x0339;
+ t.ringhalfrightcentered = 0x02d2;
+ t.rinvertedbreve = 0x0213;
+ t.rittorusquare = 0x3351;
+ t.rlinebelow = 0x1e5f;
+ t.rlongleg = 0x027c;
+ t.rlonglegturned = 0x027a;
+ t.rmonospace = 0xff52;
+ t.rohiragana = 0x308d;
+ t.rokatakana = 0x30ed;
+ t.rokatakanahalfwidth = 0xff9b;
+ t.roruathai = 0x0e23;
+ t.rparen = 0x24ad;
+ t.rrabengali = 0x09dc;
+ t.rradeva = 0x0931;
+ t.rragurmukhi = 0x0a5c;
+ t.rreharabic = 0x0691;
+ t.rrehfinalarabic = 0xfb8d;
+ t.rrvocalicbengali = 0x09e0;
+ t.rrvocalicdeva = 0x0960;
+ t.rrvocalicgujarati = 0x0ae0;
+ t.rrvocalicvowelsignbengali = 0x09c4;
+ t.rrvocalicvowelsigndeva = 0x0944;
+ t.rrvocalicvowelsigngujarati = 0x0ac4;
+ t.rsuperior = 0xf6f1;
+ t.rtblock = 0x2590;
+ t.rturned = 0x0279;
+ t.rturnedsuperior = 0x02b4;
+ t.ruhiragana = 0x308b;
+ t.rukatakana = 0x30eb;
+ t.rukatakanahalfwidth = 0xff99;
+ t.rupeemarkbengali = 0x09f2;
+ t.rupeesignbengali = 0x09f3;
+ t.rupiah = 0xf6dd;
+ t.ruthai = 0x0e24;
+ t.rvocalicbengali = 0x098b;
+ t.rvocalicdeva = 0x090b;
+ t.rvocalicgujarati = 0x0a8b;
+ t.rvocalicvowelsignbengali = 0x09c3;
+ t.rvocalicvowelsigndeva = 0x0943;
+ t.rvocalicvowelsigngujarati = 0x0ac3;
+ t.s = 0x0073;
+ t.sabengali = 0x09b8;
+ t.sacute = 0x015b;
+ t.sacutedotaccent = 0x1e65;
+ t.sadarabic = 0x0635;
+ t.sadeva = 0x0938;
+ t.sadfinalarabic = 0xfeba;
+ t.sadinitialarabic = 0xfebb;
+ t.sadmedialarabic = 0xfebc;
+ t.sagujarati = 0x0ab8;
+ t.sagurmukhi = 0x0a38;
+ t.sahiragana = 0x3055;
+ t.sakatakana = 0x30b5;
+ t.sakatakanahalfwidth = 0xff7b;
+ t.sallallahoualayhewasallamarabic = 0xfdfa;
+ t.samekh = 0x05e1;
+ t.samekhdagesh = 0xfb41;
+ t.samekhdageshhebrew = 0xfb41;
+ t.samekhhebrew = 0x05e1;
+ t.saraaathai = 0x0e32;
+ t.saraaethai = 0x0e41;
+ t.saraaimaimalaithai = 0x0e44;
+ t.saraaimaimuanthai = 0x0e43;
+ t.saraamthai = 0x0e33;
+ t.saraathai = 0x0e30;
+ t.saraethai = 0x0e40;
+ t.saraiileftthai = 0xf886;
+ t.saraiithai = 0x0e35;
+ t.saraileftthai = 0xf885;
+ t.saraithai = 0x0e34;
+ t.saraothai = 0x0e42;
+ t.saraueeleftthai = 0xf888;
+ t.saraueethai = 0x0e37;
+ t.saraueleftthai = 0xf887;
+ t.sarauethai = 0x0e36;
+ t.sarauthai = 0x0e38;
+ t.sarauuthai = 0x0e39;
+ t.sbopomofo = 0x3119;
+ t.scaron = 0x0161;
+ t.scarondotaccent = 0x1e67;
+ t.scedilla = 0x015f;
+ t.schwa = 0x0259;
+ t.schwacyrillic = 0x04d9;
+ t.schwadieresiscyrillic = 0x04db;
+ t.schwahook = 0x025a;
+ t.scircle = 0x24e2;
+ t.scircumflex = 0x015d;
+ t.scommaaccent = 0x0219;
+ t.sdotaccent = 0x1e61;
+ t.sdotbelow = 0x1e63;
+ t.sdotbelowdotaccent = 0x1e69;
+ t.seagullbelowcmb = 0x033c;
+ t.second = 0x2033;
+ t.secondtonechinese = 0x02ca;
+ t.section = 0x00a7;
+ t.seenarabic = 0x0633;
+ t.seenfinalarabic = 0xfeb2;
+ t.seeninitialarabic = 0xfeb3;
+ t.seenmedialarabic = 0xfeb4;
+ t.segol = 0x05b6;
+ t.segol13 = 0x05b6;
+ t.segol1f = 0x05b6;
+ t.segol2c = 0x05b6;
+ t.segolhebrew = 0x05b6;
+ t.segolnarrowhebrew = 0x05b6;
+ t.segolquarterhebrew = 0x05b6;
+ t.segoltahebrew = 0x0592;
+ t.segolwidehebrew = 0x05b6;
+ t.seharmenian = 0x057d;
+ t.sehiragana = 0x305b;
+ t.sekatakana = 0x30bb;
+ t.sekatakanahalfwidth = 0xff7e;
+ t.semicolon = 0x003b;
+ t.semicolonarabic = 0x061b;
+ t.semicolonmonospace = 0xff1b;
+ t.semicolonsmall = 0xfe54;
+ t.semivoicedmarkkana = 0x309c;
+ t.semivoicedmarkkanahalfwidth = 0xff9f;
+ t.sentisquare = 0x3322;
+ t.sentosquare = 0x3323;
+ t.seven = 0x0037;
+ t.sevenarabic = 0x0667;
+ t.sevenbengali = 0x09ed;
+ t.sevencircle = 0x2466;
+ t.sevencircleinversesansserif = 0x2790;
+ t.sevendeva = 0x096d;
+ t.seveneighths = 0x215e;
+ t.sevengujarati = 0x0aed;
+ t.sevengurmukhi = 0x0a6d;
+ t.sevenhackarabic = 0x0667;
+ t.sevenhangzhou = 0x3027;
+ t.sevenideographicparen = 0x3226;
+ t.seveninferior = 0x2087;
+ t.sevenmonospace = 0xff17;
+ t.sevenoldstyle = 0xf737;
+ t.sevenparen = 0x247a;
+ t.sevenperiod = 0x248e;
+ t.sevenpersian = 0x06f7;
+ t.sevenroman = 0x2176;
+ t.sevensuperior = 0x2077;
+ t.seventeencircle = 0x2470;
+ t.seventeenparen = 0x2484;
+ t.seventeenperiod = 0x2498;
+ t.seventhai = 0x0e57;
+ t.sfthyphen = 0x00ad;
+ t.shaarmenian = 0x0577;
+ t.shabengali = 0x09b6;
+ t.shacyrillic = 0x0448;
+ t.shaddaarabic = 0x0651;
+ t.shaddadammaarabic = 0xfc61;
+ t.shaddadammatanarabic = 0xfc5e;
+ t.shaddafathaarabic = 0xfc60;
+ t.shaddakasraarabic = 0xfc62;
+ t.shaddakasratanarabic = 0xfc5f;
+ t.shade = 0x2592;
+ t.shadedark = 0x2593;
+ t.shadelight = 0x2591;
+ t.shademedium = 0x2592;
+ t.shadeva = 0x0936;
+ t.shagujarati = 0x0ab6;
+ t.shagurmukhi = 0x0a36;
+ t.shalshelethebrew = 0x0593;
+ t.shbopomofo = 0x3115;
+ t.shchacyrillic = 0x0449;
+ t.sheenarabic = 0x0634;
+ t.sheenfinalarabic = 0xfeb6;
+ t.sheeninitialarabic = 0xfeb7;
+ t.sheenmedialarabic = 0xfeb8;
+ t.sheicoptic = 0x03e3;
+ t.sheqel = 0x20aa;
+ t.sheqelhebrew = 0x20aa;
+ t.sheva = 0x05b0;
+ t.sheva115 = 0x05b0;
+ t.sheva15 = 0x05b0;
+ t.sheva22 = 0x05b0;
+ t.sheva2e = 0x05b0;
+ t.shevahebrew = 0x05b0;
+ t.shevanarrowhebrew = 0x05b0;
+ t.shevaquarterhebrew = 0x05b0;
+ t.shevawidehebrew = 0x05b0;
+ t.shhacyrillic = 0x04bb;
+ t.shimacoptic = 0x03ed;
+ t.shin = 0x05e9;
+ t.shindagesh = 0xfb49;
+ t.shindageshhebrew = 0xfb49;
+ t.shindageshshindot = 0xfb2c;
+ t.shindageshshindothebrew = 0xfb2c;
+ t.shindageshsindot = 0xfb2d;
+ t.shindageshsindothebrew = 0xfb2d;
+ t.shindothebrew = 0x05c1;
+ t.shinhebrew = 0x05e9;
+ t.shinshindot = 0xfb2a;
+ t.shinshindothebrew = 0xfb2a;
+ t.shinsindot = 0xfb2b;
+ t.shinsindothebrew = 0xfb2b;
+ t.shook = 0x0282;
+ t.sigma = 0x03c3;
+ t.sigma1 = 0x03c2;
+ t.sigmafinal = 0x03c2;
+ t.sigmalunatesymbolgreek = 0x03f2;
+ t.sihiragana = 0x3057;
+ t.sikatakana = 0x30b7;
+ t.sikatakanahalfwidth = 0xff7c;
+ t.siluqhebrew = 0x05bd;
+ t.siluqlefthebrew = 0x05bd;
+ t.similar = 0x223c;
+ t.sindothebrew = 0x05c2;
+ t.siosacirclekorean = 0x3274;
+ t.siosaparenkorean = 0x3214;
+ t.sioscieuckorean = 0x317e;
+ t.sioscirclekorean = 0x3266;
+ t.sioskiyeokkorean = 0x317a;
+ t.sioskorean = 0x3145;
+ t.siosnieunkorean = 0x317b;
+ t.siosparenkorean = 0x3206;
+ t.siospieupkorean = 0x317d;
+ t.siostikeutkorean = 0x317c;
+ t.six = 0x0036;
+ t.sixarabic = 0x0666;
+ t.sixbengali = 0x09ec;
+ t.sixcircle = 0x2465;
+ t.sixcircleinversesansserif = 0x278f;
+ t.sixdeva = 0x096c;
+ t.sixgujarati = 0x0aec;
+ t.sixgurmukhi = 0x0a6c;
+ t.sixhackarabic = 0x0666;
+ t.sixhangzhou = 0x3026;
+ t.sixideographicparen = 0x3225;
+ t.sixinferior = 0x2086;
+ t.sixmonospace = 0xff16;
+ t.sixoldstyle = 0xf736;
+ t.sixparen = 0x2479;
+ t.sixperiod = 0x248d;
+ t.sixpersian = 0x06f6;
+ t.sixroman = 0x2175;
+ t.sixsuperior = 0x2076;
+ t.sixteencircle = 0x246f;
+ t.sixteencurrencydenominatorbengali = 0x09f9;
+ t.sixteenparen = 0x2483;
+ t.sixteenperiod = 0x2497;
+ t.sixthai = 0x0e56;
+ t.slash = 0x002f;
+ t.slashmonospace = 0xff0f;
+ t.slong = 0x017f;
+ t.slongdotaccent = 0x1e9b;
+ t.smileface = 0x263a;
+ t.smonospace = 0xff53;
+ t.sofpasuqhebrew = 0x05c3;
+ t.softhyphen = 0x00ad;
+ t.softsigncyrillic = 0x044c;
+ t.sohiragana = 0x305d;
+ t.sokatakana = 0x30bd;
+ t.sokatakanahalfwidth = 0xff7f;
+ t.soliduslongoverlaycmb = 0x0338;
+ t.solidusshortoverlaycmb = 0x0337;
+ t.sorusithai = 0x0e29;
+ t.sosalathai = 0x0e28;
+ t.sosothai = 0x0e0b;
+ t.sosuathai = 0x0e2a;
+ t.space = 0x0020;
+ t.spacehackarabic = 0x0020;
+ t.spade = 0x2660;
+ t.spadesuitblack = 0x2660;
+ t.spadesuitwhite = 0x2664;
+ t.sparen = 0x24ae;
+ t.squarebelowcmb = 0x033b;
+ t.squarecc = 0x33c4;
+ t.squarecm = 0x339d;
+ t.squarediagonalcrosshatchfill = 0x25a9;
+ t.squarehorizontalfill = 0x25a4;
+ t.squarekg = 0x338f;
+ t.squarekm = 0x339e;
+ t.squarekmcapital = 0x33ce;
+ t.squareln = 0x33d1;
+ t.squarelog = 0x33d2;
+ t.squaremg = 0x338e;
+ t.squaremil = 0x33d5;
+ t.squaremm = 0x339c;
+ t.squaremsquared = 0x33a1;
+ t.squareorthogonalcrosshatchfill = 0x25a6;
+ t.squareupperlefttolowerrightfill = 0x25a7;
+ t.squareupperrighttolowerleftfill = 0x25a8;
+ t.squareverticalfill = 0x25a5;
+ t.squarewhitewithsmallblack = 0x25a3;
+ t.srsquare = 0x33db;
+ t.ssabengali = 0x09b7;
+ t.ssadeva = 0x0937;
+ t.ssagujarati = 0x0ab7;
+ t.ssangcieuckorean = 0x3149;
+ t.ssanghieuhkorean = 0x3185;
+ t.ssangieungkorean = 0x3180;
+ t.ssangkiyeokkorean = 0x3132;
+ t.ssangnieunkorean = 0x3165;
+ t.ssangpieupkorean = 0x3143;
+ t.ssangsioskorean = 0x3146;
+ t.ssangtikeutkorean = 0x3138;
+ t.ssuperior = 0xf6f2;
+ t.sterling = 0x00a3;
+ t.sterlingmonospace = 0xffe1;
+ t.strokelongoverlaycmb = 0x0336;
+ t.strokeshortoverlaycmb = 0x0335;
+ t.subset = 0x2282;
+ t.subsetnotequal = 0x228a;
+ t.subsetorequal = 0x2286;
+ t.succeeds = 0x227b;
+ t.suchthat = 0x220b;
+ t.suhiragana = 0x3059;
+ t.sukatakana = 0x30b9;
+ t.sukatakanahalfwidth = 0xff7d;
+ t.sukunarabic = 0x0652;
+ t.summation = 0x2211;
+ t.sun = 0x263c;
+ t.superset = 0x2283;
+ t.supersetnotequal = 0x228b;
+ t.supersetorequal = 0x2287;
+ t.svsquare = 0x33dc;
+ t.syouwaerasquare = 0x337c;
+ t.t = 0x0074;
+ t.tabengali = 0x09a4;
+ t.tackdown = 0x22a4;
+ t.tackleft = 0x22a3;
+ t.tadeva = 0x0924;
+ t.tagujarati = 0x0aa4;
+ t.tagurmukhi = 0x0a24;
+ t.taharabic = 0x0637;
+ t.tahfinalarabic = 0xfec2;
+ t.tahinitialarabic = 0xfec3;
+ t.tahiragana = 0x305f;
+ t.tahmedialarabic = 0xfec4;
+ t.taisyouerasquare = 0x337d;
+ t.takatakana = 0x30bf;
+ t.takatakanahalfwidth = 0xff80;
+ t.tatweelarabic = 0x0640;
+ t.tau = 0x03c4;
+ t.tav = 0x05ea;
+ t.tavdages = 0xfb4a;
+ t.tavdagesh = 0xfb4a;
+ t.tavdageshhebrew = 0xfb4a;
+ t.tavhebrew = 0x05ea;
+ t.tbar = 0x0167;
+ t.tbopomofo = 0x310a;
+ t.tcaron = 0x0165;
+ t.tccurl = 0x02a8;
+ t.tcedilla = 0x0163;
+ t.tcheharabic = 0x0686;
+ t.tchehfinalarabic = 0xfb7b;
+ t.tchehinitialarabic = 0xfb7c;
+ t.tchehmedialarabic = 0xfb7d;
+ t.tcircle = 0x24e3;
+ t.tcircumflexbelow = 0x1e71;
+ t.tcommaaccent = 0x0163;
+ t.tdieresis = 0x1e97;
+ t.tdotaccent = 0x1e6b;
+ t.tdotbelow = 0x1e6d;
+ t.tecyrillic = 0x0442;
+ t.tedescendercyrillic = 0x04ad;
+ t.teharabic = 0x062a;
+ t.tehfinalarabic = 0xfe96;
+ t.tehhahinitialarabic = 0xfca2;
+ t.tehhahisolatedarabic = 0xfc0c;
+ t.tehinitialarabic = 0xfe97;
+ t.tehiragana = 0x3066;
+ t.tehjeeminitialarabic = 0xfca1;
+ t.tehjeemisolatedarabic = 0xfc0b;
+ t.tehmarbutaarabic = 0x0629;
+ t.tehmarbutafinalarabic = 0xfe94;
+ t.tehmedialarabic = 0xfe98;
+ t.tehmeeminitialarabic = 0xfca4;
+ t.tehmeemisolatedarabic = 0xfc0e;
+ t.tehnoonfinalarabic = 0xfc73;
+ t.tekatakana = 0x30c6;
+ t.tekatakanahalfwidth = 0xff83;
+ t.telephone = 0x2121;
+ t.telephoneblack = 0x260e;
+ t.telishagedolahebrew = 0x05a0;
+ t.telishaqetanahebrew = 0x05a9;
+ t.tencircle = 0x2469;
+ t.tenideographicparen = 0x3229;
+ t.tenparen = 0x247d;
+ t.tenperiod = 0x2491;
+ t.tenroman = 0x2179;
+ t.tesh = 0x02a7;
+ t.tet = 0x05d8;
+ t.tetdagesh = 0xfb38;
+ t.tetdageshhebrew = 0xfb38;
+ t.tethebrew = 0x05d8;
+ t.tetsecyrillic = 0x04b5;
+ t.tevirhebrew = 0x059b;
+ t.tevirlefthebrew = 0x059b;
+ t.thabengali = 0x09a5;
+ t.thadeva = 0x0925;
+ t.thagujarati = 0x0aa5;
+ t.thagurmukhi = 0x0a25;
+ t.thalarabic = 0x0630;
+ t.thalfinalarabic = 0xfeac;
+ t.thanthakhatlowleftthai = 0xf898;
+ t.thanthakhatlowrightthai = 0xf897;
+ t.thanthakhatthai = 0x0e4c;
+ t.thanthakhatupperleftthai = 0xf896;
+ t.theharabic = 0x062b;
+ t.thehfinalarabic = 0xfe9a;
+ t.thehinitialarabic = 0xfe9b;
+ t.thehmedialarabic = 0xfe9c;
+ t.thereexists = 0x2203;
+ t.therefore = 0x2234;
+ t.theta = 0x03b8;
+ t.theta1 = 0x03d1;
+ t.thetasymbolgreek = 0x03d1;
+ t.thieuthacirclekorean = 0x3279;
+ t.thieuthaparenkorean = 0x3219;
+ t.thieuthcirclekorean = 0x326b;
+ t.thieuthkorean = 0x314c;
+ t.thieuthparenkorean = 0x320b;
+ t.thirteencircle = 0x246c;
+ t.thirteenparen = 0x2480;
+ t.thirteenperiod = 0x2494;
+ t.thonangmonthothai = 0x0e11;
+ t.thook = 0x01ad;
+ t.thophuthaothai = 0x0e12;
+ t.thorn = 0x00fe;
+ t.thothahanthai = 0x0e17;
+ t.thothanthai = 0x0e10;
+ t.thothongthai = 0x0e18;
+ t.thothungthai = 0x0e16;
+ t.thousandcyrillic = 0x0482;
+ t.thousandsseparatorarabic = 0x066c;
+ t.thousandsseparatorpersian = 0x066c;
+ t.three = 0x0033;
+ t.threearabic = 0x0663;
+ t.threebengali = 0x09e9;
+ t.threecircle = 0x2462;
+ t.threecircleinversesansserif = 0x278c;
+ t.threedeva = 0x0969;
+ t.threeeighths = 0x215c;
+ t.threegujarati = 0x0ae9;
+ t.threegurmukhi = 0x0a69;
+ t.threehackarabic = 0x0663;
+ t.threehangzhou = 0x3023;
+ t.threeideographicparen = 0x3222;
+ t.threeinferior = 0x2083;
+ t.threemonospace = 0xff13;
+ t.threenumeratorbengali = 0x09f6;
+ t.threeoldstyle = 0xf733;
+ t.threeparen = 0x2476;
+ t.threeperiod = 0x248a;
+ t.threepersian = 0x06f3;
+ t.threequarters = 0x00be;
+ t.threequartersemdash = 0xf6de;
+ t.threeroman = 0x2172;
+ t.threesuperior = 0x00b3;
+ t.threethai = 0x0e53;
+ t.thzsquare = 0x3394;
+ t.tihiragana = 0x3061;
+ t.tikatakana = 0x30c1;
+ t.tikatakanahalfwidth = 0xff81;
+ t.tikeutacirclekorean = 0x3270;
+ t.tikeutaparenkorean = 0x3210;
+ t.tikeutcirclekorean = 0x3262;
+ t.tikeutkorean = 0x3137;
+ t.tikeutparenkorean = 0x3202;
+ t.tilde = 0x02dc;
+ t.tildebelowcmb = 0x0330;
+ t.tildecmb = 0x0303;
+ t.tildecomb = 0x0303;
+ t.tildedoublecmb = 0x0360;
+ t.tildeoperator = 0x223c;
+ t.tildeoverlaycmb = 0x0334;
+ t.tildeverticalcmb = 0x033e;
+ t.timescircle = 0x2297;
+ t.tipehahebrew = 0x0596;
+ t.tipehalefthebrew = 0x0596;
+ t.tippigurmukhi = 0x0a70;
+ t.titlocyrilliccmb = 0x0483;
+ t.tiwnarmenian = 0x057f;
+ t.tlinebelow = 0x1e6f;
+ t.tmonospace = 0xff54;
+ t.toarmenian = 0x0569;
+ t.tohiragana = 0x3068;
+ t.tokatakana = 0x30c8;
+ t.tokatakanahalfwidth = 0xff84;
+ t.tonebarextrahighmod = 0x02e5;
+ t.tonebarextralowmod = 0x02e9;
+ t.tonebarhighmod = 0x02e6;
+ t.tonebarlowmod = 0x02e8;
+ t.tonebarmidmod = 0x02e7;
+ t.tonefive = 0x01bd;
+ t.tonesix = 0x0185;
+ t.tonetwo = 0x01a8;
+ t.tonos = 0x0384;
+ t.tonsquare = 0x3327;
+ t.topatakthai = 0x0e0f;
+ t.tortoiseshellbracketleft = 0x3014;
+ t.tortoiseshellbracketleftsmall = 0xfe5d;
+ t.tortoiseshellbracketleftvertical = 0xfe39;
+ t.tortoiseshellbracketright = 0x3015;
+ t.tortoiseshellbracketrightsmall = 0xfe5e;
+ t.tortoiseshellbracketrightvertical = 0xfe3a;
+ t.totaothai = 0x0e15;
+ t.tpalatalhook = 0x01ab;
+ t.tparen = 0x24af;
+ t.trademark = 0x2122;
+ t.trademarksans = 0xf8ea;
+ t.trademarkserif = 0xf6db;
+ t.tretroflexhook = 0x0288;
+ t.triagdn = 0x25bc;
+ t.triaglf = 0x25c4;
+ t.triagrt = 0x25ba;
+ t.triagup = 0x25b2;
+ t.ts = 0x02a6;
+ t.tsadi = 0x05e6;
+ t.tsadidagesh = 0xfb46;
+ t.tsadidageshhebrew = 0xfb46;
+ t.tsadihebrew = 0x05e6;
+ t.tsecyrillic = 0x0446;
+ t.tsere = 0x05b5;
+ t.tsere12 = 0x05b5;
+ t.tsere1e = 0x05b5;
+ t.tsere2b = 0x05b5;
+ t.tserehebrew = 0x05b5;
+ t.tserenarrowhebrew = 0x05b5;
+ t.tserequarterhebrew = 0x05b5;
+ t.tserewidehebrew = 0x05b5;
+ t.tshecyrillic = 0x045b;
+ t.tsuperior = 0xf6f3;
+ t.ttabengali = 0x099f;
+ t.ttadeva = 0x091f;
+ t.ttagujarati = 0x0a9f;
+ t.ttagurmukhi = 0x0a1f;
+ t.tteharabic = 0x0679;
+ t.ttehfinalarabic = 0xfb67;
+ t.ttehinitialarabic = 0xfb68;
+ t.ttehmedialarabic = 0xfb69;
+ t.tthabengali = 0x09a0;
+ t.tthadeva = 0x0920;
+ t.tthagujarati = 0x0aa0;
+ t.tthagurmukhi = 0x0a20;
+ t.tturned = 0x0287;
+ t.tuhiragana = 0x3064;
+ t.tukatakana = 0x30c4;
+ t.tukatakanahalfwidth = 0xff82;
+ t.tusmallhiragana = 0x3063;
+ t.tusmallkatakana = 0x30c3;
+ t.tusmallkatakanahalfwidth = 0xff6f;
+ t.twelvecircle = 0x246b;
+ t.twelveparen = 0x247f;
+ t.twelveperiod = 0x2493;
+ t.twelveroman = 0x217b;
+ t.twentycircle = 0x2473;
+ t.twentyhangzhou = 0x5344;
+ t.twentyparen = 0x2487;
+ t.twentyperiod = 0x249b;
+ t.two = 0x0032;
+ t.twoarabic = 0x0662;
+ t.twobengali = 0x09e8;
+ t.twocircle = 0x2461;
+ t.twocircleinversesansserif = 0x278b;
+ t.twodeva = 0x0968;
+ t.twodotenleader = 0x2025;
+ t.twodotleader = 0x2025;
+ t.twodotleadervertical = 0xfe30;
+ t.twogujarati = 0x0ae8;
+ t.twogurmukhi = 0x0a68;
+ t.twohackarabic = 0x0662;
+ t.twohangzhou = 0x3022;
+ t.twoideographicparen = 0x3221;
+ t.twoinferior = 0x2082;
+ t.twomonospace = 0xff12;
+ t.twonumeratorbengali = 0x09f5;
+ t.twooldstyle = 0xf732;
+ t.twoparen = 0x2475;
+ t.twoperiod = 0x2489;
+ t.twopersian = 0x06f2;
+ t.tworoman = 0x2171;
+ t.twostroke = 0x01bb;
+ t.twosuperior = 0x00b2;
+ t.twothai = 0x0e52;
+ t.twothirds = 0x2154;
+ t.u = 0x0075;
+ t.uacute = 0x00fa;
+ t.ubar = 0x0289;
+ t.ubengali = 0x0989;
+ t.ubopomofo = 0x3128;
+ t.ubreve = 0x016d;
+ t.ucaron = 0x01d4;
+ t.ucircle = 0x24e4;
+ t.ucircumflex = 0x00fb;
+ t.ucircumflexbelow = 0x1e77;
+ t.ucyrillic = 0x0443;
+ t.udattadeva = 0x0951;
+ t.udblacute = 0x0171;
+ t.udblgrave = 0x0215;
+ t.udeva = 0x0909;
+ t.udieresis = 0x00fc;
+ t.udieresisacute = 0x01d8;
+ t.udieresisbelow = 0x1e73;
+ t.udieresiscaron = 0x01da;
+ t.udieresiscyrillic = 0x04f1;
+ t.udieresisgrave = 0x01dc;
+ t.udieresismacron = 0x01d6;
+ t.udotbelow = 0x1ee5;
+ t.ugrave = 0x00f9;
+ t.ugujarati = 0x0a89;
+ t.ugurmukhi = 0x0a09;
+ t.uhiragana = 0x3046;
+ t.uhookabove = 0x1ee7;
+ t.uhorn = 0x01b0;
+ t.uhornacute = 0x1ee9;
+ t.uhorndotbelow = 0x1ef1;
+ t.uhorngrave = 0x1eeb;
+ t.uhornhookabove = 0x1eed;
+ t.uhorntilde = 0x1eef;
+ t.uhungarumlaut = 0x0171;
+ t.uhungarumlautcyrillic = 0x04f3;
+ t.uinvertedbreve = 0x0217;
+ t.ukatakana = 0x30a6;
+ t.ukatakanahalfwidth = 0xff73;
+ t.ukcyrillic = 0x0479;
+ t.ukorean = 0x315c;
+ t.umacron = 0x016b;
+ t.umacroncyrillic = 0x04ef;
+ t.umacrondieresis = 0x1e7b;
+ t.umatragurmukhi = 0x0a41;
+ t.umonospace = 0xff55;
+ t.underscore = 0x005f;
+ t.underscoredbl = 0x2017;
+ t.underscoremonospace = 0xff3f;
+ t.underscorevertical = 0xfe33;
+ t.underscorewavy = 0xfe4f;
+ t.union = 0x222a;
+ t.universal = 0x2200;
+ t.uogonek = 0x0173;
+ t.uparen = 0x24b0;
+ t.upblock = 0x2580;
+ t.upperdothebrew = 0x05c4;
+ t.upsilon = 0x03c5;
+ t.upsilondieresis = 0x03cb;
+ t.upsilondieresistonos = 0x03b0;
+ t.upsilonlatin = 0x028a;
+ t.upsilontonos = 0x03cd;
+ t.uptackbelowcmb = 0x031d;
+ t.uptackmod = 0x02d4;
+ t.uragurmukhi = 0x0a73;
+ t.uring = 0x016f;
+ t.ushortcyrillic = 0x045e;
+ t.usmallhiragana = 0x3045;
+ t.usmallkatakana = 0x30a5;
+ t.usmallkatakanahalfwidth = 0xff69;
+ t.ustraightcyrillic = 0x04af;
+ t.ustraightstrokecyrillic = 0x04b1;
+ t.utilde = 0x0169;
+ t.utildeacute = 0x1e79;
+ t.utildebelow = 0x1e75;
+ t.uubengali = 0x098a;
+ t.uudeva = 0x090a;
+ t.uugujarati = 0x0a8a;
+ t.uugurmukhi = 0x0a0a;
+ t.uumatragurmukhi = 0x0a42;
+ t.uuvowelsignbengali = 0x09c2;
+ t.uuvowelsigndeva = 0x0942;
+ t.uuvowelsigngujarati = 0x0ac2;
+ t.uvowelsignbengali = 0x09c1;
+ t.uvowelsigndeva = 0x0941;
+ t.uvowelsigngujarati = 0x0ac1;
+ t.v = 0x0076;
+ t.vadeva = 0x0935;
+ t.vagujarati = 0x0ab5;
+ t.vagurmukhi = 0x0a35;
+ t.vakatakana = 0x30f7;
+ t.vav = 0x05d5;
+ t.vavdagesh = 0xfb35;
+ t.vavdagesh65 = 0xfb35;
+ t.vavdageshhebrew = 0xfb35;
+ t.vavhebrew = 0x05d5;
+ t.vavholam = 0xfb4b;
+ t.vavholamhebrew = 0xfb4b;
+ t.vavvavhebrew = 0x05f0;
+ t.vavyodhebrew = 0x05f1;
+ t.vcircle = 0x24e5;
+ t.vdotbelow = 0x1e7f;
+ t.vecyrillic = 0x0432;
+ t.veharabic = 0x06a4;
+ t.vehfinalarabic = 0xfb6b;
+ t.vehinitialarabic = 0xfb6c;
+ t.vehmedialarabic = 0xfb6d;
+ t.vekatakana = 0x30f9;
+ t.venus = 0x2640;
+ t.verticalbar = 0x007c;
+ t.verticallineabovecmb = 0x030d;
+ t.verticallinebelowcmb = 0x0329;
+ t.verticallinelowmod = 0x02cc;
+ t.verticallinemod = 0x02c8;
+ t.vewarmenian = 0x057e;
+ t.vhook = 0x028b;
+ t.vikatakana = 0x30f8;
+ t.viramabengali = 0x09cd;
+ t.viramadeva = 0x094d;
+ t.viramagujarati = 0x0acd;
+ t.visargabengali = 0x0983;
+ t.visargadeva = 0x0903;
+ t.visargagujarati = 0x0a83;
+ t.vmonospace = 0xff56;
+ t.voarmenian = 0x0578;
+ t.voicediterationhiragana = 0x309e;
+ t.voicediterationkatakana = 0x30fe;
+ t.voicedmarkkana = 0x309b;
+ t.voicedmarkkanahalfwidth = 0xff9e;
+ t.vokatakana = 0x30fa;
+ t.vparen = 0x24b1;
+ t.vtilde = 0x1e7d;
+ t.vturned = 0x028c;
+ t.vuhiragana = 0x3094;
+ t.vukatakana = 0x30f4;
+ t.w = 0x0077;
+ t.wacute = 0x1e83;
+ t.waekorean = 0x3159;
+ t.wahiragana = 0x308f;
+ t.wakatakana = 0x30ef;
+ t.wakatakanahalfwidth = 0xff9c;
+ t.wakorean = 0x3158;
+ t.wasmallhiragana = 0x308e;
+ t.wasmallkatakana = 0x30ee;
+ t.wattosquare = 0x3357;
+ t.wavedash = 0x301c;
+ t.wavyunderscorevertical = 0xfe34;
+ t.wawarabic = 0x0648;
+ t.wawfinalarabic = 0xfeee;
+ t.wawhamzaabovearabic = 0x0624;
+ t.wawhamzaabovefinalarabic = 0xfe86;
+ t.wbsquare = 0x33dd;
+ t.wcircle = 0x24e6;
+ t.wcircumflex = 0x0175;
+ t.wdieresis = 0x1e85;
+ t.wdotaccent = 0x1e87;
+ t.wdotbelow = 0x1e89;
+ t.wehiragana = 0x3091;
+ t.weierstrass = 0x2118;
+ t.wekatakana = 0x30f1;
+ t.wekorean = 0x315e;
+ t.weokorean = 0x315d;
+ t.wgrave = 0x1e81;
+ t.whitebullet = 0x25e6;
+ t.whitecircle = 0x25cb;
+ t.whitecircleinverse = 0x25d9;
+ t.whitecornerbracketleft = 0x300e;
+ t.whitecornerbracketleftvertical = 0xfe43;
+ t.whitecornerbracketright = 0x300f;
+ t.whitecornerbracketrightvertical = 0xfe44;
+ t.whitediamond = 0x25c7;
+ t.whitediamondcontainingblacksmalldiamond = 0x25c8;
+ t.whitedownpointingsmalltriangle = 0x25bf;
+ t.whitedownpointingtriangle = 0x25bd;
+ t.whiteleftpointingsmalltriangle = 0x25c3;
+ t.whiteleftpointingtriangle = 0x25c1;
+ t.whitelenticularbracketleft = 0x3016;
+ t.whitelenticularbracketright = 0x3017;
+ t.whiterightpointingsmalltriangle = 0x25b9;
+ t.whiterightpointingtriangle = 0x25b7;
+ t.whitesmallsquare = 0x25ab;
+ t.whitesmilingface = 0x263a;
+ t.whitesquare = 0x25a1;
+ t.whitestar = 0x2606;
+ t.whitetelephone = 0x260f;
+ t.whitetortoiseshellbracketleft = 0x3018;
+ t.whitetortoiseshellbracketright = 0x3019;
+ t.whiteuppointingsmalltriangle = 0x25b5;
+ t.whiteuppointingtriangle = 0x25b3;
+ t.wihiragana = 0x3090;
+ t.wikatakana = 0x30f0;
+ t.wikorean = 0x315f;
+ t.wmonospace = 0xff57;
+ t.wohiragana = 0x3092;
+ t.wokatakana = 0x30f2;
+ t.wokatakanahalfwidth = 0xff66;
+ t.won = 0x20a9;
+ t.wonmonospace = 0xffe6;
+ t.wowaenthai = 0x0e27;
+ t.wparen = 0x24b2;
+ t.wring = 0x1e98;
+ t.wsuperior = 0x02b7;
+ t.wturned = 0x028d;
+ t.wynn = 0x01bf;
+ t.x = 0x0078;
+ t.xabovecmb = 0x033d;
+ t.xbopomofo = 0x3112;
+ t.xcircle = 0x24e7;
+ t.xdieresis = 0x1e8d;
+ t.xdotaccent = 0x1e8b;
+ t.xeharmenian = 0x056d;
+ t.xi = 0x03be;
+ t.xmonospace = 0xff58;
+ t.xparen = 0x24b3;
+ t.xsuperior = 0x02e3;
+ t.y = 0x0079;
+ t.yaadosquare = 0x334e;
+ t.yabengali = 0x09af;
+ t.yacute = 0x00fd;
+ t.yadeva = 0x092f;
+ t.yaekorean = 0x3152;
+ t.yagujarati = 0x0aaf;
+ t.yagurmukhi = 0x0a2f;
+ t.yahiragana = 0x3084;
+ t.yakatakana = 0x30e4;
+ t.yakatakanahalfwidth = 0xff94;
+ t.yakorean = 0x3151;
+ t.yamakkanthai = 0x0e4e;
+ t.yasmallhiragana = 0x3083;
+ t.yasmallkatakana = 0x30e3;
+ t.yasmallkatakanahalfwidth = 0xff6c;
+ t.yatcyrillic = 0x0463;
+ t.ycircle = 0x24e8;
+ t.ycircumflex = 0x0177;
+ t.ydieresis = 0x00ff;
+ t.ydotaccent = 0x1e8f;
+ t.ydotbelow = 0x1ef5;
+ t.yeharabic = 0x064a;
+ t.yehbarreearabic = 0x06d2;
+ t.yehbarreefinalarabic = 0xfbaf;
+ t.yehfinalarabic = 0xfef2;
+ t.yehhamzaabovearabic = 0x0626;
+ t.yehhamzaabovefinalarabic = 0xfe8a;
+ t.yehhamzaaboveinitialarabic = 0xfe8b;
+ t.yehhamzaabovemedialarabic = 0xfe8c;
+ t.yehinitialarabic = 0xfef3;
+ t.yehmedialarabic = 0xfef4;
+ t.yehmeeminitialarabic = 0xfcdd;
+ t.yehmeemisolatedarabic = 0xfc58;
+ t.yehnoonfinalarabic = 0xfc94;
+ t.yehthreedotsbelowarabic = 0x06d1;
+ t.yekorean = 0x3156;
+ t.yen = 0x00a5;
+ t.yenmonospace = 0xffe5;
+ t.yeokorean = 0x3155;
+ t.yeorinhieuhkorean = 0x3186;
+ t.yerahbenyomohebrew = 0x05aa;
+ t.yerahbenyomolefthebrew = 0x05aa;
+ t.yericyrillic = 0x044b;
+ t.yerudieresiscyrillic = 0x04f9;
+ t.yesieungkorean = 0x3181;
+ t.yesieungpansioskorean = 0x3183;
+ t.yesieungsioskorean = 0x3182;
+ t.yetivhebrew = 0x059a;
+ t.ygrave = 0x1ef3;
+ t.yhook = 0x01b4;
+ t.yhookabove = 0x1ef7;
+ t.yiarmenian = 0x0575;
+ t.yicyrillic = 0x0457;
+ t.yikorean = 0x3162;
+ t.yinyang = 0x262f;
+ t.yiwnarmenian = 0x0582;
+ t.ymonospace = 0xff59;
+ t.yod = 0x05d9;
+ t.yoddagesh = 0xfb39;
+ t.yoddageshhebrew = 0xfb39;
+ t.yodhebrew = 0x05d9;
+ t.yodyodhebrew = 0x05f2;
+ t.yodyodpatahhebrew = 0xfb1f;
+ t.yohiragana = 0x3088;
+ t.yoikorean = 0x3189;
+ t.yokatakana = 0x30e8;
+ t.yokatakanahalfwidth = 0xff96;
+ t.yokorean = 0x315b;
+ t.yosmallhiragana = 0x3087;
+ t.yosmallkatakana = 0x30e7;
+ t.yosmallkatakanahalfwidth = 0xff6e;
+ t.yotgreek = 0x03f3;
+ t.yoyaekorean = 0x3188;
+ t.yoyakorean = 0x3187;
+ t.yoyakthai = 0x0e22;
+ t.yoyingthai = 0x0e0d;
+ t.yparen = 0x24b4;
+ t.ypogegrammeni = 0x037a;
+ t.ypogegrammenigreekcmb = 0x0345;
+ t.yr = 0x01a6;
+ t.yring = 0x1e99;
+ t.ysuperior = 0x02b8;
+ t.ytilde = 0x1ef9;
+ t.yturned = 0x028e;
+ t.yuhiragana = 0x3086;
+ t.yuikorean = 0x318c;
+ t.yukatakana = 0x30e6;
+ t.yukatakanahalfwidth = 0xff95;
+ t.yukorean = 0x3160;
+ t.yusbigcyrillic = 0x046b;
+ t.yusbigiotifiedcyrillic = 0x046d;
+ t.yuslittlecyrillic = 0x0467;
+ t.yuslittleiotifiedcyrillic = 0x0469;
+ t.yusmallhiragana = 0x3085;
+ t.yusmallkatakana = 0x30e5;
+ t.yusmallkatakanahalfwidth = 0xff6d;
+ t.yuyekorean = 0x318b;
+ t.yuyeokorean = 0x318a;
+ t.yyabengali = 0x09df;
+ t.yyadeva = 0x095f;
+ t.z = 0x007a;
+ t.zaarmenian = 0x0566;
+ t.zacute = 0x017a;
+ t.zadeva = 0x095b;
+ t.zagurmukhi = 0x0a5b;
+ t.zaharabic = 0x0638;
+ t.zahfinalarabic = 0xfec6;
+ t.zahinitialarabic = 0xfec7;
+ t.zahiragana = 0x3056;
+ t.zahmedialarabic = 0xfec8;
+ t.zainarabic = 0x0632;
+ t.zainfinalarabic = 0xfeb0;
+ t.zakatakana = 0x30b6;
+ t.zaqefgadolhebrew = 0x0595;
+ t.zaqefqatanhebrew = 0x0594;
+ t.zarqahebrew = 0x0598;
+ t.zayin = 0x05d6;
+ t.zayindagesh = 0xfb36;
+ t.zayindageshhebrew = 0xfb36;
+ t.zayinhebrew = 0x05d6;
+ t.zbopomofo = 0x3117;
+ t.zcaron = 0x017e;
+ t.zcircle = 0x24e9;
+ t.zcircumflex = 0x1e91;
+ t.zcurl = 0x0291;
+ t.zdot = 0x017c;
+ t.zdotaccent = 0x017c;
+ t.zdotbelow = 0x1e93;
+ t.zecyrillic = 0x0437;
+ t.zedescendercyrillic = 0x0499;
+ t.zedieresiscyrillic = 0x04df;
+ t.zehiragana = 0x305c;
+ t.zekatakana = 0x30bc;
+ t.zero = 0x0030;
+ t.zeroarabic = 0x0660;
+ t.zerobengali = 0x09e6;
+ t.zerodeva = 0x0966;
+ t.zerogujarati = 0x0ae6;
+ t.zerogurmukhi = 0x0a66;
+ t.zerohackarabic = 0x0660;
+ t.zeroinferior = 0x2080;
+ t.zeromonospace = 0xff10;
+ t.zerooldstyle = 0xf730;
+ t.zeropersian = 0x06f0;
+ t.zerosuperior = 0x2070;
+ t.zerothai = 0x0e50;
+ t.zerowidthjoiner = 0xfeff;
+ t.zerowidthnonjoiner = 0x200c;
+ t.zerowidthspace = 0x200b;
+ t.zeta = 0x03b6;
+ t.zhbopomofo = 0x3113;
+ t.zhearmenian = 0x056a;
+ t.zhebrevecyrillic = 0x04c2;
+ t.zhecyrillic = 0x0436;
+ t.zhedescendercyrillic = 0x0497;
+ t.zhedieresiscyrillic = 0x04dd;
+ t.zihiragana = 0x3058;
+ t.zikatakana = 0x30b8;
+ t.zinorhebrew = 0x05ae;
+ t.zlinebelow = 0x1e95;
+ t.zmonospace = 0xff5a;
+ t.zohiragana = 0x305e;
+ t.zokatakana = 0x30be;
+ t.zparen = 0x24b5;
+ t.zretroflexhook = 0x0290;
+ t.zstroke = 0x01b6;
+ t.zuhiragana = 0x305a;
+ t.zukatakana = 0x30ba;
+ t[".notdef"] = 0x0000;
+ t.angbracketleftbig = 0x2329;
+ t.angbracketleftBig = 0x2329;
+ t.angbracketleftbigg = 0x2329;
+ t.angbracketleftBigg = 0x2329;
+ t.angbracketrightBig = 0x232a;
+ t.angbracketrightbig = 0x232a;
+ t.angbracketrightBigg = 0x232a;
+ t.angbracketrightbigg = 0x232a;
+ t.arrowhookleft = 0x21aa;
+ t.arrowhookright = 0x21a9;
+ t.arrowlefttophalf = 0x21bc;
+ t.arrowleftbothalf = 0x21bd;
+ t.arrownortheast = 0x2197;
+ t.arrownorthwest = 0x2196;
+ t.arrowrighttophalf = 0x21c0;
+ t.arrowrightbothalf = 0x21c1;
+ t.arrowsoutheast = 0x2198;
+ t.arrowsouthwest = 0x2199;
+ t.backslashbig = 0x2216;
+ t.backslashBig = 0x2216;
+ t.backslashBigg = 0x2216;
+ t.backslashbigg = 0x2216;
+ t.bardbl = 0x2016;
+ t.bracehtipdownleft = 0xfe37;
+ t.bracehtipdownright = 0xfe37;
+ t.bracehtipupleft = 0xfe38;
+ t.bracehtipupright = 0xfe38;
+ t.braceleftBig = 0x007b;
+ t.braceleftbig = 0x007b;
+ t.braceleftbigg = 0x007b;
+ t.braceleftBigg = 0x007b;
+ t.bracerightBig = 0x007d;
+ t.bracerightbig = 0x007d;
+ t.bracerightbigg = 0x007d;
+ t.bracerightBigg = 0x007d;
+ t.bracketleftbig = 0x005b;
+ t.bracketleftBig = 0x005b;
+ t.bracketleftbigg = 0x005b;
+ t.bracketleftBigg = 0x005b;
+ t.bracketrightBig = 0x005d;
+ t.bracketrightbig = 0x005d;
+ t.bracketrightbigg = 0x005d;
+ t.bracketrightBigg = 0x005d;
+ t.ceilingleftbig = 0x2308;
+ t.ceilingleftBig = 0x2308;
+ t.ceilingleftBigg = 0x2308;
+ t.ceilingleftbigg = 0x2308;
+ t.ceilingrightbig = 0x2309;
+ t.ceilingrightBig = 0x2309;
+ t.ceilingrightbigg = 0x2309;
+ t.ceilingrightBigg = 0x2309;
+ t.circledotdisplay = 0x2299;
+ t.circledottext = 0x2299;
+ t.circlemultiplydisplay = 0x2297;
+ t.circlemultiplytext = 0x2297;
+ t.circleplusdisplay = 0x2295;
+ t.circleplustext = 0x2295;
+ t.contintegraldisplay = 0x222e;
+ t.contintegraltext = 0x222e;
+ t.coproductdisplay = 0x2210;
+ t.coproducttext = 0x2210;
+ t.floorleftBig = 0x230a;
+ t.floorleftbig = 0x230a;
+ t.floorleftbigg = 0x230a;
+ t.floorleftBigg = 0x230a;
+ t.floorrightbig = 0x230b;
+ t.floorrightBig = 0x230b;
+ t.floorrightBigg = 0x230b;
+ t.floorrightbigg = 0x230b;
+ t.hatwide = 0x0302;
+ t.hatwider = 0x0302;
+ t.hatwidest = 0x0302;
+ t.intercal = 0x1d40;
+ t.integraldisplay = 0x222b;
+ t.integraltext = 0x222b;
+ t.intersectiondisplay = 0x22c2;
+ t.intersectiontext = 0x22c2;
+ t.logicalanddisplay = 0x2227;
+ t.logicalandtext = 0x2227;
+ t.logicalordisplay = 0x2228;
+ t.logicalortext = 0x2228;
+ t.parenleftBig = 0x0028;
+ t.parenleftbig = 0x0028;
+ t.parenleftBigg = 0x0028;
+ t.parenleftbigg = 0x0028;
+ t.parenrightBig = 0x0029;
+ t.parenrightbig = 0x0029;
+ t.parenrightBigg = 0x0029;
+ t.parenrightbigg = 0x0029;
+ t.prime = 0x2032;
+ t.productdisplay = 0x220f;
+ t.producttext = 0x220f;
+ t.radicalbig = 0x221a;
+ t.radicalBig = 0x221a;
+ t.radicalBigg = 0x221a;
+ t.radicalbigg = 0x221a;
+ t.radicalbt = 0x221a;
+ t.radicaltp = 0x221a;
+ t.radicalvertex = 0x221a;
+ t.slashbig = 0x002f;
+ t.slashBig = 0x002f;
+ t.slashBigg = 0x002f;
+ t.slashbigg = 0x002f;
+ t.summationdisplay = 0x2211;
+ t.summationtext = 0x2211;
+ t.tildewide = 0x02dc;
+ t.tildewider = 0x02dc;
+ t.tildewidest = 0x02dc;
+ t.uniondisplay = 0x22c3;
+ t.unionmultidisplay = 0x228e;
+ t.unionmultitext = 0x228e;
+ t.unionsqdisplay = 0x2294;
+ t.unionsqtext = 0x2294;
+ t.uniontext = 0x22c3;
+ t.vextenddouble = 0x2225;
+ t.vextendsingle = 0x2223;
+});
+var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {
+ t.space = 0x0020;
+ t.a1 = 0x2701;
+ t.a2 = 0x2702;
+ t.a202 = 0x2703;
+ t.a3 = 0x2704;
+ t.a4 = 0x260e;
+ t.a5 = 0x2706;
+ t.a119 = 0x2707;
+ t.a118 = 0x2708;
+ t.a117 = 0x2709;
+ t.a11 = 0x261b;
+ t.a12 = 0x261e;
+ t.a13 = 0x270c;
+ t.a14 = 0x270d;
+ t.a15 = 0x270e;
+ t.a16 = 0x270f;
+ t.a105 = 0x2710;
+ t.a17 = 0x2711;
+ t.a18 = 0x2712;
+ t.a19 = 0x2713;
+ t.a20 = 0x2714;
+ t.a21 = 0x2715;
+ t.a22 = 0x2716;
+ t.a23 = 0x2717;
+ t.a24 = 0x2718;
+ t.a25 = 0x2719;
+ t.a26 = 0x271a;
+ t.a27 = 0x271b;
+ t.a28 = 0x271c;
+ t.a6 = 0x271d;
+ t.a7 = 0x271e;
+ t.a8 = 0x271f;
+ t.a9 = 0x2720;
+ t.a10 = 0x2721;
+ t.a29 = 0x2722;
+ t.a30 = 0x2723;
+ t.a31 = 0x2724;
+ t.a32 = 0x2725;
+ t.a33 = 0x2726;
+ t.a34 = 0x2727;
+ t.a35 = 0x2605;
+ t.a36 = 0x2729;
+ t.a37 = 0x272a;
+ t.a38 = 0x272b;
+ t.a39 = 0x272c;
+ t.a40 = 0x272d;
+ t.a41 = 0x272e;
+ t.a42 = 0x272f;
+ t.a43 = 0x2730;
+ t.a44 = 0x2731;
+ t.a45 = 0x2732;
+ t.a46 = 0x2733;
+ t.a47 = 0x2734;
+ t.a48 = 0x2735;
+ t.a49 = 0x2736;
+ t.a50 = 0x2737;
+ t.a51 = 0x2738;
+ t.a52 = 0x2739;
+ t.a53 = 0x273a;
+ t.a54 = 0x273b;
+ t.a55 = 0x273c;
+ t.a56 = 0x273d;
+ t.a57 = 0x273e;
+ t.a58 = 0x273f;
+ t.a59 = 0x2740;
+ t.a60 = 0x2741;
+ t.a61 = 0x2742;
+ t.a62 = 0x2743;
+ t.a63 = 0x2744;
+ t.a64 = 0x2745;
+ t.a65 = 0x2746;
+ t.a66 = 0x2747;
+ t.a67 = 0x2748;
+ t.a68 = 0x2749;
+ t.a69 = 0x274a;
+ t.a70 = 0x274b;
+ t.a71 = 0x25cf;
+ t.a72 = 0x274d;
+ t.a73 = 0x25a0;
+ t.a74 = 0x274f;
+ t.a203 = 0x2750;
+ t.a75 = 0x2751;
+ t.a204 = 0x2752;
+ t.a76 = 0x25b2;
+ t.a77 = 0x25bc;
+ t.a78 = 0x25c6;
+ t.a79 = 0x2756;
+ t.a81 = 0x25d7;
+ t.a82 = 0x2758;
+ t.a83 = 0x2759;
+ t.a84 = 0x275a;
+ t.a97 = 0x275b;
+ t.a98 = 0x275c;
+ t.a99 = 0x275d;
+ t.a100 = 0x275e;
+ t.a101 = 0x2761;
+ t.a102 = 0x2762;
+ t.a103 = 0x2763;
+ t.a104 = 0x2764;
+ t.a106 = 0x2765;
+ t.a107 = 0x2766;
+ t.a108 = 0x2767;
+ t.a112 = 0x2663;
+ t.a111 = 0x2666;
+ t.a110 = 0x2665;
+ t.a109 = 0x2660;
+ t.a120 = 0x2460;
+ t.a121 = 0x2461;
+ t.a122 = 0x2462;
+ t.a123 = 0x2463;
+ t.a124 = 0x2464;
+ t.a125 = 0x2465;
+ t.a126 = 0x2466;
+ t.a127 = 0x2467;
+ t.a128 = 0x2468;
+ t.a129 = 0x2469;
+ t.a130 = 0x2776;
+ t.a131 = 0x2777;
+ t.a132 = 0x2778;
+ t.a133 = 0x2779;
+ t.a134 = 0x277a;
+ t.a135 = 0x277b;
+ t.a136 = 0x277c;
+ t.a137 = 0x277d;
+ t.a138 = 0x277e;
+ t.a139 = 0x277f;
+ t.a140 = 0x2780;
+ t.a141 = 0x2781;
+ t.a142 = 0x2782;
+ t.a143 = 0x2783;
+ t.a144 = 0x2784;
+ t.a145 = 0x2785;
+ t.a146 = 0x2786;
+ t.a147 = 0x2787;
+ t.a148 = 0x2788;
+ t.a149 = 0x2789;
+ t.a150 = 0x278a;
+ t.a151 = 0x278b;
+ t.a152 = 0x278c;
+ t.a153 = 0x278d;
+ t.a154 = 0x278e;
+ t.a155 = 0x278f;
+ t.a156 = 0x2790;
+ t.a157 = 0x2791;
+ t.a158 = 0x2792;
+ t.a159 = 0x2793;
+ t.a160 = 0x2794;
+ t.a161 = 0x2192;
+ t.a163 = 0x2194;
+ t.a164 = 0x2195;
+ t.a196 = 0x2798;
+ t.a165 = 0x2799;
+ t.a192 = 0x279a;
+ t.a166 = 0x279b;
+ t.a167 = 0x279c;
+ t.a168 = 0x279d;
+ t.a169 = 0x279e;
+ t.a170 = 0x279f;
+ t.a171 = 0x27a0;
+ t.a172 = 0x27a1;
+ t.a173 = 0x27a2;
+ t.a162 = 0x27a3;
+ t.a174 = 0x27a4;
+ t.a175 = 0x27a5;
+ t.a176 = 0x27a6;
+ t.a177 = 0x27a7;
+ t.a178 = 0x27a8;
+ t.a179 = 0x27a9;
+ t.a193 = 0x27aa;
+ t.a180 = 0x27ab;
+ t.a199 = 0x27ac;
+ t.a181 = 0x27ad;
+ t.a200 = 0x27ae;
+ t.a182 = 0x27af;
+ t.a201 = 0x27b1;
+ t.a183 = 0x27b2;
+ t.a184 = 0x27b3;
+ t.a197 = 0x27b4;
+ t.a185 = 0x27b5;
+ t.a194 = 0x27b6;
+ t.a198 = 0x27b7;
+ t.a186 = 0x27b8;
+ t.a195 = 0x27b9;
+ t.a187 = 0x27ba;
+ t.a188 = 0x27bb;
+ t.a189 = 0x27bc;
+ t.a190 = 0x27bd;
+ t.a191 = 0x27be;
+ t.a89 = 0x2768;
+ t.a90 = 0x2769;
+ t.a93 = 0x276a;
+ t.a94 = 0x276b;
+ t.a91 = 0x276c;
+ t.a92 = 0x276d;
+ t.a205 = 0x276e;
+ t.a85 = 0x276f;
+ t.a206 = 0x2770;
+ t.a86 = 0x2771;
+ t.a87 = 0x2772;
+ t.a88 = 0x2773;
+ t.a95 = 0x2774;
+ t.a96 = 0x2775;
+ t[".notdef"] = 0x0000;
+});
+exports.getGlyphsUnicode = getGlyphsUnicode;
+exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;
+
+/***/ }),
+/* 232 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getSupplementalGlyphMapForCalibri = exports.getSupplementalGlyphMapForArialBlack = exports.getGlyphMapForStandardFonts = exports.getSymbolsFonts = exports.getSerifFonts = exports.getNonStdFontMap = exports.getStdFontMap = void 0;
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var getStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.ArialNarrow = "Helvetica";
+  t["ArialNarrow-Bold"] = "Helvetica-Bold";
+  t["ArialNarrow-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialNarrow-Italic"] = "Helvetica-Oblique";
+  t.ArialBlack = "Helvetica";
+  t["ArialBlack-Bold"] = "Helvetica-Bold";
+  t["ArialBlack-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialBlack-Italic"] = "Helvetica-Oblique";
+  t["Arial-Black"] = "Helvetica";
+  t["Arial-Black-Bold"] = "Helvetica-Bold";
+  t["Arial-Black-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Black-Italic"] = "Helvetica-Oblique";
+  t.Arial = "Helvetica";
+  t["Arial-Bold"] = "Helvetica-Bold";
+  t["Arial-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Italic"] = "Helvetica-Oblique";
+  t["Arial-BoldItalicMT"] = "Helvetica-BoldOblique";
+  t["Arial-BoldMT"] = "Helvetica-Bold";
+  t["Arial-ItalicMT"] = "Helvetica-Oblique";
+  t.ArialMT = "Helvetica";
+  t["Courier-Bold"] = "Courier-Bold";
+  t["Courier-BoldItalic"] = "Courier-BoldOblique";
+  t["Courier-Italic"] = "Courier-Oblique";
+  t.CourierNew = "Courier";
+  t["CourierNew-Bold"] = "Courier-Bold";
+  t["CourierNew-BoldItalic"] = "Courier-BoldOblique";
+  t["CourierNew-Italic"] = "Courier-Oblique";
+  t["CourierNewPS-BoldItalicMT"] = "Courier-BoldOblique";
+  t["CourierNewPS-BoldMT"] = "Courier-Bold";
+  t["CourierNewPS-ItalicMT"] = "Courier-Oblique";
+  t.CourierNewPSMT = "Courier";
+  t.Helvetica = "Helvetica";
+  t["Helvetica-Bold"] = "Helvetica-Bold";
+  t["Helvetica-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Helvetica-BoldOblique"] = "Helvetica-BoldOblique";
+  t["Helvetica-Italic"] = "Helvetica-Oblique";
+  t["Helvetica-Oblique"] = "Helvetica-Oblique";
+  t["Symbol-Bold"] = "Symbol";
+  t["Symbol-BoldItalic"] = "Symbol";
+  t["Symbol-Italic"] = "Symbol";
+  t.TimesNewRoman = "Times-Roman";
+  t["TimesNewRoman-Bold"] = "Times-Bold";
+  t["TimesNewRoman-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRoman-Italic"] = "Times-Italic";
+  t.TimesNewRomanPS = "Times-Roman";
+  t["TimesNewRomanPS-Bold"] = "Times-Bold";
+  t["TimesNewRomanPS-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldItalicMT"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldMT"] = "Times-Bold";
+  t["TimesNewRomanPS-Italic"] = "Times-Italic";
+  t["TimesNewRomanPS-ItalicMT"] = "Times-Italic";
+  t.TimesNewRomanPSMT = "Times-Roman";
+  t["TimesNewRomanPSMT-Bold"] = "Times-Bold";
+  t["TimesNewRomanPSMT-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPSMT-Italic"] = "Times-Italic";
+});
+exports.getStdFontMap = getStdFontMap;
+var getNonStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Calibri = "Helvetica";
+  t["Calibri-Bold"] = "Helvetica-Bold";
+  t["Calibri-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Calibri-Italic"] = "Helvetica-Oblique";
+  t.CenturyGothic = "Helvetica";
+  t["CenturyGothic-Bold"] = "Helvetica-Bold";
+  t["CenturyGothic-BoldItalic"] = "Helvetica-BoldOblique";
+  t["CenturyGothic-Italic"] = "Helvetica-Oblique";
+  t.ComicSansMS = "Comic Sans MS";
+  t["ComicSansMS-Bold"] = "Comic Sans MS-Bold";
+  t["ComicSansMS-BoldItalic"] = "Comic Sans MS-BoldItalic";
+  t["ComicSansMS-Italic"] = "Comic Sans MS-Italic";
+  t.LucidaConsole = "Courier";
+  t["LucidaConsole-Bold"] = "Courier-Bold";
+  t["LucidaConsole-BoldItalic"] = "Courier-BoldOblique";
+  t["LucidaConsole-Italic"] = "Courier-Oblique";
+  t["LucidaSans-Demi"] = "Helvetica-Bold";
+  t["MS-Gothic"] = "MS Gothic";
+  t["MS-Gothic-Bold"] = "MS Gothic-Bold";
+  t["MS-Gothic-BoldItalic"] = "MS Gothic-BoldItalic";
+  t["MS-Gothic-Italic"] = "MS Gothic-Italic";
+  t["MS-Mincho"] = "MS Mincho";
+  t["MS-Mincho-Bold"] = "MS Mincho-Bold";
+  t["MS-Mincho-BoldItalic"] = "MS Mincho-BoldItalic";
+  t["MS-Mincho-Italic"] = "MS Mincho-Italic";
+  t["MS-PGothic"] = "MS PGothic";
+  t["MS-PGothic-Bold"] = "MS PGothic-Bold";
+  t["MS-PGothic-BoldItalic"] = "MS PGothic-BoldItalic";
+  t["MS-PGothic-Italic"] = "MS PGothic-Italic";
+  t["MS-PMincho"] = "MS PMincho";
+  t["MS-PMincho-Bold"] = "MS PMincho-Bold";
+  t["MS-PMincho-BoldItalic"] = "MS PMincho-BoldItalic";
+  t["MS-PMincho-Italic"] = "MS PMincho-Italic";
+  t.NuptialScript = "Times-Italic";
+  t.SegoeUISymbol = "Helvetica";
+  t.Wingdings = "ZapfDingbats";
+  t["Wingdings-Regular"] = "ZapfDingbats";
+});
+exports.getNonStdFontMap = getNonStdFontMap;
+var getSerifFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t["Adobe Jenson"] = true;
+  t["Adobe Text"] = true;
+  t.Albertus = true;
+  t.Aldus = true;
+  t.Alexandria = true;
+  t.Algerian = true;
+  t["American Typewriter"] = true;
+  t.Antiqua = true;
+  t.Apex = true;
+  t.Arno = true;
+  t.Aster = true;
+  t.Aurora = true;
+  t.Baskerville = true;
+  t.Bell = true;
+  t.Bembo = true;
+  t["Bembo Schoolbook"] = true;
+  t.Benguiat = true;
+  t["Berkeley Old Style"] = true;
+  t["Bernhard Modern"] = true;
+  t["Berthold City"] = true;
+  t.Bodoni = true;
+  t["Bauer Bodoni"] = true;
+  t["Book Antiqua"] = true;
+  t.Bookman = true;
+  t["Bordeaux Roman"] = true;
+  t["Californian FB"] = true;
+  t.Calisto = true;
+  t.Calvert = true;
+  t.Capitals = true;
+  t.Cambria = true;
+  t.Cartier = true;
+  t.Caslon = true;
+  t.Catull = true;
+  t.Centaur = true;
+  t["Century Old Style"] = true;
+  t["Century Schoolbook"] = true;
+  t.Chaparral = true;
+  t["Charis SIL"] = true;
+  t.Cheltenham = true;
+  t["Cholla Slab"] = true;
+  t.Clarendon = true;
+  t.Clearface = true;
+  t.Cochin = true;
+  t.Colonna = true;
+  t["Computer Modern"] = true;
+  t["Concrete Roman"] = true;
+  t.Constantia = true;
+  t["Cooper Black"] = true;
+  t.Corona = true;
+  t.Ecotype = true;
+  t.Egyptienne = true;
+  t.Elephant = true;
+  t.Excelsior = true;
+  t.Fairfield = true;
+  t["FF Scala"] = true;
+  t.Folkard = true;
+  t.Footlight = true;
+  t.FreeSerif = true;
+  t["Friz Quadrata"] = true;
+  t.Garamond = true;
+  t.Gentium = true;
+  t.Georgia = true;
+  t.Gloucester = true;
+  t["Goudy Old Style"] = true;
+  t["Goudy Schoolbook"] = true;
+  t["Goudy Pro Font"] = true;
+  t.Granjon = true;
+  t["Guardian Egyptian"] = true;
+  t.Heather = true;
+  t.Hercules = true;
+  t["High Tower Text"] = true;
+  t.Hiroshige = true;
+  t["Hoefler Text"] = true;
+  t["Humana Serif"] = true;
+  t.Imprint = true;
+  t["Ionic No. 5"] = true;
+  t.Janson = true;
+  t.Joanna = true;
+  t.Korinna = true;
+  t.Lexicon = true;
+  t["Liberation Serif"] = true;
+  t["Linux Libertine"] = true;
+  t.Literaturnaya = true;
+  t.Lucida = true;
+  t["Lucida Bright"] = true;
+  t.Melior = true;
+  t.Memphis = true;
+  t.Miller = true;
+  t.Minion = true;
+  t.Modern = true;
+  t["Mona Lisa"] = true;
+  t["Mrs Eaves"] = true;
+  t["MS Serif"] = true;
+  t["Museo Slab"] = true;
+  t["New York"] = true;
+  t["Nimbus Roman"] = true;
+  t["NPS Rawlinson Roadway"] = true;
+  t.NuptialScript = true;
+  t.Palatino = true;
+  t.Perpetua = true;
+  t.Plantin = true;
+  t["Plantin Schoolbook"] = true;
+  t.Playbill = true;
+  t["Poor Richard"] = true;
+  t["Rawlinson Roadway"] = true;
+  t.Renault = true;
+  t.Requiem = true;
+  t.Rockwell = true;
+  t.Roman = true;
+  t["Rotis Serif"] = true;
+  t.Sabon = true;
+  t.Scala = true;
+  t.Seagull = true;
+  t.Sistina = true;
+  t.Souvenir = true;
+  t.STIX = true;
+  t["Stone Informal"] = true;
+  t["Stone Serif"] = true;
+  t.Sylfaen = true;
+  t.Times = true;
+  t.Trajan = true;
+  t["Trinité"] = true;
+  t["Trump Mediaeval"] = true;
+  t.Utopia = true;
+  t["Vale Type"] = true;
+  t["Bitstream Vera"] = true;
+  t["Vera Serif"] = true;
+  t.Versailles = true;
+  t.Wanted = true;
+  t.Weiss = true;
+  t["Wide Latin"] = true;
+  t.Windsor = true;
+  t.XITS = true;
+});
+exports.getSerifFonts = getSerifFonts;
+var getSymbolsFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Dingbats = true;
+  t.Symbol = true;
+  t.ZapfDingbats = true;
+});
+exports.getSymbolsFonts = getSymbolsFonts;
+var getGlyphMapForStandardFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[2] = 10;
+  t[3] = 32;
+  t[4] = 33;
+  t[5] = 34;
+  t[6] = 35;
+  t[7] = 36;
+  t[8] = 37;
+  t[9] = 38;
+  t[10] = 39;
+  t[11] = 40;
+  t[12] = 41;
+  t[13] = 42;
+  t[14] = 43;
+  t[15] = 44;
+  t[16] = 45;
+  t[17] = 46;
+  t[18] = 47;
+  t[19] = 48;
+  t[20] = 49;
+  t[21] = 50;
+  t[22] = 51;
+  t[23] = 52;
+  t[24] = 53;
+  t[25] = 54;
+  t[26] = 55;
+  t[27] = 56;
+  t[28] = 57;
+  t[29] = 58;
+  t[30] = 894;
+  t[31] = 60;
+  t[32] = 61;
+  t[33] = 62;
+  t[34] = 63;
+  t[35] = 64;
+  t[36] = 65;
+  t[37] = 66;
+  t[38] = 67;
+  t[39] = 68;
+  t[40] = 69;
+  t[41] = 70;
+  t[42] = 71;
+  t[43] = 72;
+  t[44] = 73;
+  t[45] = 74;
+  t[46] = 75;
+  t[47] = 76;
+  t[48] = 77;
+  t[49] = 78;
+  t[50] = 79;
+  t[51] = 80;
+  t[52] = 81;
+  t[53] = 82;
+  t[54] = 83;
+  t[55] = 84;
+  t[56] = 85;
+  t[57] = 86;
+  t[58] = 87;
+  t[59] = 88;
+  t[60] = 89;
+  t[61] = 90;
+  t[62] = 91;
+  t[63] = 92;
+  t[64] = 93;
+  t[65] = 94;
+  t[66] = 95;
+  t[67] = 96;
+  t[68] = 97;
+  t[69] = 98;
+  t[70] = 99;
+  t[71] = 100;
+  t[72] = 101;
+  t[73] = 102;
+  t[74] = 103;
+  t[75] = 104;
+  t[76] = 105;
+  t[77] = 106;
+  t[78] = 107;
+  t[79] = 108;
+  t[80] = 109;
+  t[81] = 110;
+  t[82] = 111;
+  t[83] = 112;
+  t[84] = 113;
+  t[85] = 114;
+  t[86] = 115;
+  t[87] = 116;
+  t[88] = 117;
+  t[89] = 118;
+  t[90] = 119;
+  t[91] = 120;
+  t[92] = 121;
+  t[93] = 122;
+  t[94] = 123;
+  t[95] = 124;
+  t[96] = 125;
+  t[97] = 126;
+  t[98] = 196;
+  t[99] = 197;
+  t[100] = 199;
+  t[101] = 201;
+  t[102] = 209;
+  t[103] = 214;
+  t[104] = 220;
+  t[105] = 225;
+  t[106] = 224;
+  t[107] = 226;
+  t[108] = 228;
+  t[109] = 227;
+  t[110] = 229;
+  t[111] = 231;
+  t[112] = 233;
+  t[113] = 232;
+  t[114] = 234;
+  t[115] = 235;
+  t[116] = 237;
+  t[117] = 236;
+  t[118] = 238;
+  t[119] = 239;
+  t[120] = 241;
+  t[121] = 243;
+  t[122] = 242;
+  t[123] = 244;
+  t[124] = 246;
+  t[125] = 245;
+  t[126] = 250;
+  t[127] = 249;
+  t[128] = 251;
+  t[129] = 252;
+  t[130] = 8224;
+  t[131] = 176;
+  t[132] = 162;
+  t[133] = 163;
+  t[134] = 167;
+  t[135] = 8226;
+  t[136] = 182;
+  t[137] = 223;
+  t[138] = 174;
+  t[139] = 169;
+  t[140] = 8482;
+  t[141] = 180;
+  t[142] = 168;
+  t[143] = 8800;
+  t[144] = 198;
+  t[145] = 216;
+  t[146] = 8734;
+  t[147] = 177;
+  t[148] = 8804;
+  t[149] = 8805;
+  t[150] = 165;
+  t[151] = 181;
+  t[152] = 8706;
+  t[153] = 8721;
+  t[154] = 8719;
+  t[156] = 8747;
+  t[157] = 170;
+  t[158] = 186;
+  t[159] = 8486;
+  t[160] = 230;
+  t[161] = 248;
+  t[162] = 191;
+  t[163] = 161;
+  t[164] = 172;
+  t[165] = 8730;
+  t[166] = 402;
+  t[167] = 8776;
+  t[168] = 8710;
+  t[169] = 171;
+  t[170] = 187;
+  t[171] = 8230;
+  t[210] = 218;
+  t[223] = 711;
+  t[224] = 321;
+  t[225] = 322;
+  t[227] = 353;
+  t[229] = 382;
+  t[234] = 253;
+  t[252] = 263;
+  t[253] = 268;
+  t[254] = 269;
+  t[258] = 258;
+  t[260] = 260;
+  t[261] = 261;
+  t[265] = 280;
+  t[266] = 281;
+  t[268] = 283;
+  t[269] = 313;
+  t[275] = 323;
+  t[276] = 324;
+  t[278] = 328;
+  t[284] = 345;
+  t[285] = 346;
+  t[286] = 347;
+  t[292] = 367;
+  t[295] = 377;
+  t[296] = 378;
+  t[298] = 380;
+  t[305] = 963;
+  t[306] = 964;
+  t[307] = 966;
+  t[308] = 8215;
+  t[309] = 8252;
+  t[310] = 8319;
+  t[311] = 8359;
+  t[312] = 8592;
+  t[313] = 8593;
+  t[337] = 9552;
+  t[493] = 1039;
+  t[494] = 1040;
+  t[705] = 1524;
+  t[706] = 8362;
+  t[710] = 64288;
+  t[711] = 64298;
+  t[759] = 1617;
+  t[761] = 1776;
+  t[763] = 1778;
+  t[775] = 1652;
+  t[777] = 1764;
+  t[778] = 1780;
+  t[779] = 1781;
+  t[780] = 1782;
+  t[782] = 771;
+  t[783] = 64726;
+  t[786] = 8363;
+  t[788] = 8532;
+  t[790] = 768;
+  t[791] = 769;
+  t[792] = 768;
+  t[795] = 803;
+  t[797] = 64336;
+  t[798] = 64337;
+  t[799] = 64342;
+  t[800] = 64343;
+  t[801] = 64344;
+  t[802] = 64345;
+  t[803] = 64362;
+  t[804] = 64363;
+  t[805] = 64364;
+  t[2424] = 7821;
+  t[2425] = 7822;
+  t[2426] = 7823;
+  t[2427] = 7824;
+  t[2428] = 7825;
+  t[2429] = 7826;
+  t[2430] = 7827;
+  t[2433] = 7682;
+  t[2678] = 8045;
+  t[2679] = 8046;
+  t[2830] = 1552;
+  t[2838] = 686;
+  t[2840] = 751;
+  t[2842] = 753;
+  t[2843] = 754;
+  t[2844] = 755;
+  t[2846] = 757;
+  t[2856] = 767;
+  t[2857] = 848;
+  t[2858] = 849;
+  t[2862] = 853;
+  t[2863] = 854;
+  t[2864] = 855;
+  t[2865] = 861;
+  t[2866] = 862;
+  t[2906] = 7460;
+  t[2908] = 7462;
+  t[2909] = 7463;
+  t[2910] = 7464;
+  t[2912] = 7466;
+  t[2913] = 7467;
+  t[2914] = 7468;
+  t[2916] = 7470;
+  t[2917] = 7471;
+  t[2918] = 7472;
+  t[2920] = 7474;
+  t[2921] = 7475;
+  t[2922] = 7476;
+  t[2924] = 7478;
+  t[2925] = 7479;
+  t[2926] = 7480;
+  t[2928] = 7482;
+  t[2929] = 7483;
+  t[2930] = 7484;
+  t[2932] = 7486;
+  t[2933] = 7487;
+  t[2934] = 7488;
+  t[2936] = 7490;
+  t[2937] = 7491;
+  t[2938] = 7492;
+  t[2940] = 7494;
+  t[2941] = 7495;
+  t[2942] = 7496;
+  t[2944] = 7498;
+  t[2946] = 7500;
+  t[2948] = 7502;
+  t[2950] = 7504;
+  t[2951] = 7505;
+  t[2952] = 7506;
+  t[2954] = 7508;
+  t[2955] = 7509;
+  t[2956] = 7510;
+  t[2958] = 7512;
+  t[2959] = 7513;
+  t[2960] = 7514;
+  t[2962] = 7516;
+  t[2963] = 7517;
+  t[2964] = 7518;
+  t[2966] = 7520;
+  t[2967] = 7521;
+  t[2968] = 7522;
+  t[2970] = 7524;
+  t[2971] = 7525;
+  t[2972] = 7526;
+  t[2974] = 7528;
+  t[2975] = 7529;
+  t[2976] = 7530;
+  t[2978] = 1537;
+  t[2979] = 1538;
+  t[2980] = 1539;
+  t[2982] = 1549;
+  t[2983] = 1551;
+  t[2984] = 1552;
+  t[2986] = 1554;
+  t[2987] = 1555;
+  t[2988] = 1556;
+  t[2990] = 1623;
+  t[2991] = 1624;
+  t[2995] = 1775;
+  t[2999] = 1791;
+  t[3002] = 64290;
+  t[3003] = 64291;
+  t[3004] = 64292;
+  t[3006] = 64294;
+  t[3007] = 64295;
+  t[3008] = 64296;
+  t[3011] = 1900;
+  t[3014] = 8223;
+  t[3015] = 8244;
+  t[3017] = 7532;
+  t[3018] = 7533;
+  t[3019] = 7534;
+  t[3075] = 7590;
+  t[3076] = 7591;
+  t[3079] = 7594;
+  t[3080] = 7595;
+  t[3083] = 7598;
+  t[3084] = 7599;
+  t[3087] = 7602;
+  t[3088] = 7603;
+  t[3091] = 7606;
+  t[3092] = 7607;
+  t[3095] = 7610;
+  t[3096] = 7611;
+  t[3099] = 7614;
+  t[3100] = 7615;
+  t[3103] = 7618;
+  t[3104] = 7619;
+  t[3107] = 8337;
+  t[3108] = 8338;
+  t[3116] = 1884;
+  t[3119] = 1885;
+  t[3120] = 1885;
+  t[3123] = 1886;
+  t[3124] = 1886;
+  t[3127] = 1887;
+  t[3128] = 1887;
+  t[3131] = 1888;
+  t[3132] = 1888;
+  t[3135] = 1889;
+  t[3136] = 1889;
+  t[3139] = 1890;
+  t[3140] = 1890;
+  t[3143] = 1891;
+  t[3144] = 1891;
+  t[3147] = 1892;
+  t[3148] = 1892;
+  t[3153] = 580;
+  t[3154] = 581;
+  t[3157] = 584;
+  t[3158] = 585;
+  t[3161] = 588;
+  t[3162] = 589;
+  t[3165] = 891;
+  t[3166] = 892;
+  t[3169] = 1274;
+  t[3170] = 1275;
+  t[3173] = 1278;
+  t[3174] = 1279;
+  t[3181] = 7622;
+  t[3182] = 7623;
+  t[3282] = 11799;
+  t[3316] = 578;
+  t[3379] = 42785;
+  t[3393] = 1159;
+  t[3416] = 8377;
+});
+exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts;
+var getSupplementalGlyphMapForArialBlack = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[227] = 322;
+  t[264] = 261;
+  t[291] = 346;
+});
+exports.getSupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack;
+var getSupplementalGlyphMapForCalibri = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[1] = 32;
+  t[4] = 65;
+  t[17] = 66;
+  t[18] = 67;
+  t[24] = 68;
+  t[28] = 69;
+  t[38] = 70;
+  t[39] = 71;
+  t[44] = 72;
+  t[47] = 73;
+  t[58] = 74;
+  t[60] = 75;
+  t[62] = 76;
+  t[68] = 77;
+  t[69] = 78;
+  t[75] = 79;
+  t[87] = 80;
+  t[89] = 81;
+  t[90] = 82;
+  t[94] = 83;
+  t[100] = 84;
+  t[104] = 85;
+  t[115] = 86;
+  t[116] = 87;
+  t[121] = 88;
+  t[122] = 89;
+  t[127] = 90;
+  t[258] = 97;
+  t[268] = 261;
+  t[271] = 98;
+  t[272] = 99;
+  t[273] = 263;
+  t[282] = 100;
+  t[286] = 101;
+  t[295] = 281;
+  t[296] = 102;
+  t[336] = 103;
+  t[346] = 104;
+  t[349] = 105;
+  t[361] = 106;
+  t[364] = 107;
+  t[367] = 108;
+  t[371] = 322;
+  t[373] = 109;
+  t[374] = 110;
+  t[381] = 111;
+  t[383] = 243;
+  t[393] = 112;
+  t[395] = 113;
+  t[396] = 114;
+  t[400] = 115;
+  t[401] = 347;
+  t[410] = 116;
+  t[437] = 117;
+  t[448] = 118;
+  t[449] = 119;
+  t[454] = 120;
+  t[455] = 121;
+  t[460] = 122;
+  t[463] = 380;
+  t[853] = 44;
+  t[855] = 58;
+  t[856] = 46;
+  t[876] = 47;
+  t[878] = 45;
+  t[882] = 45;
+  t[894] = 40;
+  t[895] = 41;
+  t[896] = 91;
+  t[897] = 93;
+  t[923] = 64;
+  t[1004] = 48;
+  t[1005] = 49;
+  t[1006] = 50;
+  t[1007] = 51;
+  t[1008] = 52;
+  t[1009] = 53;
+  t[1010] = 54;
+  t[1011] = 55;
+  t[1012] = 56;
+  t[1013] = 57;
+  t[1081] = 37;
+  t[1085] = 43;
+  t[1086] = 45;
+});
+exports.getSupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri;
+
+/***/ }),
+/* 233 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getLookupTableFactory = __w_pdfjs_require__(205).getLookupTableFactory;
+var getSpecialPUASymbols = getLookupTableFactory(function (t) {
+ t[63721] = 0x00a9;
+ t[63193] = 0x00a9;
+ t[63720] = 0x00ae;
+ t[63194] = 0x00ae;
+ t[63722] = 0x2122;
+ t[63195] = 0x2122;
+ t[63729] = 0x23a7;
+ t[63730] = 0x23a8;
+ t[63731] = 0x23a9;
+ t[63740] = 0x23ab;
+ t[63741] = 0x23ac;
+ t[63742] = 0x23ad;
+ t[63726] = 0x23a1;
+ t[63727] = 0x23a2;
+ t[63728] = 0x23a3;
+ t[63737] = 0x23a4;
+ t[63738] = 0x23a5;
+ t[63739] = 0x23a6;
+ t[63723] = 0x239b;
+ t[63724] = 0x239c;
+ t[63725] = 0x239d;
+ t[63734] = 0x239e;
+ t[63735] = 0x239f;
+ t[63736] = 0x23a0;
+});
+function mapSpecialUnicodeValues(code) {
+ if (code >= 0xfff0 && code <= 0xffff) {
+  return 0;
+ } else if (code >= 0xf600 && code <= 0xf8ff) {
+  return getSpecialPUASymbols()[code] || code;
+ } else if (code === 0x00ad) {
+  return 0x002d;
+ }
+ return code;
+}
+function getUnicodeForGlyph(name, glyphsUnicodeMap) {
+ var unicode = glyphsUnicodeMap[name];
+ if (unicode !== undefined) {
+  return unicode;
+ }
+ if (!name) {
+  return -1;
+ }
+ if (name[0] === "u") {
+  var nameLen = name.length, hexStr;
+  if (nameLen === 7 && name[1] === "n" && name[2] === "i") {
+   hexStr = name.substring(3);
+  } else if (nameLen >= 5 && nameLen <= 7) {
+   hexStr = name.substring(1);
+  } else {
+   return -1;
+  }
+  if (hexStr === hexStr.toUpperCase()) {
+   unicode = parseInt(hexStr, 16);
+   if (unicode >= 0) {
+    return unicode;
+   }
+  }
+ }
+ return -1;
+}
+var UnicodeRanges = [
+ {
+  begin: 0x0000,
+  end: 0x007f
+ },
+ {
+  begin: 0x0080,
+  end: 0x00ff
+ },
+ {
+  begin: 0x0100,
+  end: 0x017f
+ },
+ {
+  begin: 0x0180,
+  end: 0x024f
+ },
+ {
+  begin: 0x0250,
+  end: 0x02af
+ },
+ {
+  begin: 0x02b0,
+  end: 0x02ff
+ },
+ {
+  begin: 0x0300,
+  end: 0x036f
+ },
+ {
+  begin: 0x0370,
+  end: 0x03ff
+ },
+ {
+  begin: 0x2c80,
+  end: 0x2cff
+ },
+ {
+  begin: 0x0400,
+  end: 0x04ff
+ },
+ {
+  begin: 0x0530,
+  end: 0x058f
+ },
+ {
+  begin: 0x0590,
+  end: 0x05ff
+ },
+ {
+  begin: 0xa500,
+  end: 0xa63f
+ },
+ {
+  begin: 0x0600,
+  end: 0x06ff
+ },
+ {
+  begin: 0x07c0,
+  end: 0x07ff
+ },
+ {
+  begin: 0x0900,
+  end: 0x097f
+ },
+ {
+  begin: 0x0980,
+  end: 0x09ff
+ },
+ {
+  begin: 0x0a00,
+  end: 0x0a7f
+ },
+ {
+  begin: 0x0a80,
+  end: 0x0aff
+ },
+ {
+  begin: 0x0b00,
+  end: 0x0b7f
+ },
+ {
+  begin: 0x0b80,
+  end: 0x0bff
+ },
+ {
+  begin: 0x0c00,
+  end: 0x0c7f
+ },
+ {
+  begin: 0x0c80,
+  end: 0x0cff
+ },
+ {
+  begin: 0x0d00,
+  end: 0x0d7f
+ },
+ {
+  begin: 0x0e00,
+  end: 0x0e7f
+ },
+ {
+  begin: 0x0e80,
+  end: 0x0eff
+ },
+ {
+  begin: 0x10a0,
+  end: 0x10ff
+ },
+ {
+  begin: 0x1b00,
+  end: 0x1b7f
+ },
+ {
+  begin: 0x1100,
+  end: 0x11ff
+ },
+ {
+  begin: 0x1e00,
+  end: 0x1eff
+ },
+ {
+  begin: 0x1f00,
+  end: 0x1fff
+ },
+ {
+  begin: 0x2000,
+  end: 0x206f
+ },
+ {
+  begin: 0x2070,
+  end: 0x209f
+ },
+ {
+  begin: 0x20a0,
+  end: 0x20cf
+ },
+ {
+  begin: 0x20d0,
+  end: 0x20ff
+ },
+ {
+  begin: 0x2100,
+  end: 0x214f
+ },
+ {
+  begin: 0x2150,
+  end: 0x218f
+ },
+ {
+  begin: 0x2190,
+  end: 0x21ff
+ },
+ {
+  begin: 0x2200,
+  end: 0x22ff
+ },
+ {
+  begin: 0x2300,
+  end: 0x23ff
+ },
+ {
+  begin: 0x2400,
+  end: 0x243f
+ },
+ {
+  begin: 0x2440,
+  end: 0x245f
+ },
+ {
+  begin: 0x2460,
+  end: 0x24ff
+ },
+ {
+  begin: 0x2500,
+  end: 0x257f
+ },
+ {
+  begin: 0x2580,
+  end: 0x259f
+ },
+ {
+  begin: 0x25a0,
+  end: 0x25ff
+ },
+ {
+  begin: 0x2600,
+  end: 0x26ff
+ },
+ {
+  begin: 0x2700,
+  end: 0x27bf
+ },
+ {
+  begin: 0x3000,
+  end: 0x303f
+ },
+ {
+  begin: 0x3040,
+  end: 0x309f
+ },
+ {
+  begin: 0x30a0,
+  end: 0x30ff
+ },
+ {
+  begin: 0x3100,
+  end: 0x312f
+ },
+ {
+  begin: 0x3130,
+  end: 0x318f
+ },
+ {
+  begin: 0xa840,
+  end: 0xa87f
+ },
+ {
+  begin: 0x3200,
+  end: 0x32ff
+ },
+ {
+  begin: 0x3300,
+  end: 0x33ff
+ },
+ {
+  begin: 0xac00,
+  end: 0xd7af
+ },
+ {
+  begin: 0xd800,
+  end: 0xdfff
+ },
+ {
+  begin: 0x10900,
+  end: 0x1091f
+ },
+ {
+  begin: 0x4e00,
+  end: 0x9fff
+ },
+ {
+  begin: 0xe000,
+  end: 0xf8ff
+ },
+ {
+  begin: 0x31c0,
+  end: 0x31ef
+ },
+ {
+  begin: 0xfb00,
+  end: 0xfb4f
+ },
+ {
+  begin: 0xfb50,
+  end: 0xfdff
+ },
+ {
+  begin: 0xfe20,
+  end: 0xfe2f
+ },
+ {
+  begin: 0xfe10,
+  end: 0xfe1f
+ },
+ {
+  begin: 0xfe50,
+  end: 0xfe6f
+ },
+ {
+  begin: 0xfe70,
+  end: 0xfeff
+ },
+ {
+  begin: 0xff00,
+  end: 0xffef
+ },
+ {
+  begin: 0xfff0,
+  end: 0xffff
+ },
+ {
+  begin: 0x0f00,
+  end: 0x0fff
+ },
+ {
+  begin: 0x0700,
+  end: 0x074f
+ },
+ {
+  begin: 0x0780,
+  end: 0x07bf
+ },
+ {
+  begin: 0x0d80,
+  end: 0x0dff
+ },
+ {
+  begin: 0x1000,
+  end: 0x109f
+ },
+ {
+  begin: 0x1200,
+  end: 0x137f
+ },
+ {
+  begin: 0x13a0,
+  end: 0x13ff
+ },
+ {
+  begin: 0x1400,
+  end: 0x167f
+ },
+ {
+  begin: 0x1680,
+  end: 0x169f
+ },
+ {
+  begin: 0x16a0,
+  end: 0x16ff
+ },
+ {
+  begin: 0x1780,
+  end: 0x17ff
+ },
+ {
+  begin: 0x1800,
+  end: 0x18af
+ },
+ {
+  begin: 0x2800,
+  end: 0x28ff
+ },
+ {
+  begin: 0xa000,
+  end: 0xa48f
+ },
+ {
+  begin: 0x1700,
+  end: 0x171f
+ },
+ {
+  begin: 0x10300,
+  end: 0x1032f
+ },
+ {
+  begin: 0x10330,
+  end: 0x1034f
+ },
+ {
+  begin: 0x10400,
+  end: 0x1044f
+ },
+ {
+  begin: 0x1d000,
+  end: 0x1d0ff
+ },
+ {
+  begin: 0x1d400,
+  end: 0x1d7ff
+ },
+ {
+  begin: 0xff000,
+  end: 0xffffd
+ },
+ {
+  begin: 0xfe00,
+  end: 0xfe0f
+ },
+ {
+  begin: 0xe0000,
+  end: 0xe007f
+ },
+ {
+  begin: 0x1900,
+  end: 0x194f
+ },
+ {
+  begin: 0x1950,
+  end: 0x197f
+ },
+ {
+  begin: 0x1980,
+  end: 0x19df
+ },
+ {
+  begin: 0x1a00,
+  end: 0x1a1f
+ },
+ {
+  begin: 0x2c00,
+  end: 0x2c5f
+ },
+ {
+  begin: 0x2d30,
+  end: 0x2d7f
+ },
+ {
+  begin: 0x4dc0,
+  end: 0x4dff
+ },
+ {
+  begin: 0xa800,
+  end: 0xa82f
+ },
+ {
+  begin: 0x10000,
+  end: 0x1007f
+ },
+ {
+  begin: 0x10140,
+  end: 0x1018f
+ },
+ {
+  begin: 0x10380,
+  end: 0x1039f
+ },
+ {
+  begin: 0x103a0,
+  end: 0x103df
+ },
+ {
+  begin: 0x10450,
+  end: 0x1047f
+ },
+ {
+  begin: 0x10480,
+  end: 0x104af
+ },
+ {
+  begin: 0x10800,
+  end: 0x1083f
+ },
+ {
+  begin: 0x10a00,
+  end: 0x10a5f
+ },
+ {
+  begin: 0x1d300,
+  end: 0x1d35f
+ },
+ {
+  begin: 0x12000,
+  end: 0x123ff
+ },
+ {
+  begin: 0x1d360,
+  end: 0x1d37f
+ },
+ {
+  begin: 0x1b80,
+  end: 0x1bbf
+ },
+ {
+  begin: 0x1c00,
+  end: 0x1c4f
+ },
+ {
+  begin: 0x1c50,
+  end: 0x1c7f
+ },
+ {
+  begin: 0xa880,
+  end: 0xa8df
+ },
+ {
+  begin: 0xa900,
+  end: 0xa92f
+ },
+ {
+  begin: 0xa930,
+  end: 0xa95f
+ },
+ {
+  begin: 0xaa00,
+  end: 0xaa5f
+ },
+ {
+  begin: 0x10190,
+  end: 0x101cf
+ },
+ {
+  begin: 0x101d0,
+  end: 0x101ff
+ },
+ {
+  begin: 0x102a0,
+  end: 0x102df
+ },
+ {
+  begin: 0x1f030,
+  end: 0x1f09f
+ }
+];
+function getUnicodeRangeFor(value) {
+ for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {
+  var range = UnicodeRanges[i];
+  if (value >= range.begin && value < range.end) {
+   return i;
+  }
+ }
+ return -1;
+}
+function isRTLRangeFor(value) {
+ var range = UnicodeRanges[13];
+ if (value >= range.begin && value < range.end) {
+  return true;
+ }
+ range = UnicodeRanges[11];
+ if (value >= range.begin && value < range.end) {
+  return true;
+ }
+ return false;
+}
+var getNormalizedUnicodes = getLookupTableFactory(function (t) {
+ t["\u00A8"] = "\u0020\u0308";
+ t["\u00AF"] = "\u0020\u0304";
+ t["\u00B4"] = "\u0020\u0301";
+ t["\u00B5"] = "\u03BC";
+ t["\u00B8"] = "\u0020\u0327";
+ t["\u0132"] = "\u0049\u004A";
+ t["\u0133"] = "\u0069\u006A";
+ t["\u013F"] = "\u004C\u00B7";
+ t["\u0140"] = "\u006C\u00B7";
+ t["\u0149"] = "\u02BC\u006E";
+ t["\u017F"] = "\u0073";
+ t["\u01C4"] = "\u0044\u017D";
+ t["\u01C5"] = "\u0044\u017E";
+ t["\u01C6"] = "\u0064\u017E";
+ t["\u01C7"] = "\u004C\u004A";
+ t["\u01C8"] = "\u004C\u006A";
+ t["\u01C9"] = "\u006C\u006A";
+ t["\u01CA"] = "\u004E\u004A";
+ t["\u01CB"] = "\u004E\u006A";
+ t["\u01CC"] = "\u006E\u006A";
+ t["\u01F1"] = "\u0044\u005A";
+ t["\u01F2"] = "\u0044\u007A";
+ t["\u01F3"] = "\u0064\u007A";
+ t["\u02D8"] = "\u0020\u0306";
+ t["\u02D9"] = "\u0020\u0307";
+ t["\u02DA"] = "\u0020\u030A";
+ t["\u02DB"] = "\u0020\u0328";
+ t["\u02DC"] = "\u0020\u0303";
+ t["\u02DD"] = "\u0020\u030B";
+ t["\u037A"] = "\u0020\u0345";
+ t["\u0384"] = "\u0020\u0301";
+ t["\u03D0"] = "\u03B2";
+ t["\u03D1"] = "\u03B8";
+ t["\u03D2"] = "\u03A5";
+ t["\u03D5"] = "\u03C6";
+ t["\u03D6"] = "\u03C0";
+ t["\u03F0"] = "\u03BA";
+ t["\u03F1"] = "\u03C1";
+ t["\u03F2"] = "\u03C2";
+ t["\u03F4"] = "\u0398";
+ t["\u03F5"] = "\u03B5";
+ t["\u03F9"] = "\u03A3";
+ t["\u0587"] = "\u0565\u0582";
+ t["\u0675"] = "\u0627\u0674";
+ t["\u0676"] = "\u0648\u0674";
+ t["\u0677"] = "\u06C7\u0674";
+ t["\u0678"] = "\u064A\u0674";
+ t["\u0E33"] = "\u0E4D\u0E32";
+ t["\u0EB3"] = "\u0ECD\u0EB2";
+ t["\u0EDC"] = "\u0EAB\u0E99";
+ t["\u0EDD"] = "\u0EAB\u0EA1";
+ t["\u0F77"] = "\u0FB2\u0F81";
+ t["\u0F79"] = "\u0FB3\u0F81";
+ t["\u1E9A"] = "\u0061\u02BE";
+ t["\u1FBD"] = "\u0020\u0313";
+ t["\u1FBF"] = "\u0020\u0313";
+ t["\u1FC0"] = "\u0020\u0342";
+ t["\u1FFE"] = "\u0020\u0314";
+ t["\u2002"] = "\u0020";
+ t["\u2003"] = "\u0020";
+ t["\u2004"] = "\u0020";
+ t["\u2005"] = "\u0020";
+ t["\u2006"] = "\u0020";
+ t["\u2008"] = "\u0020";
+ t["\u2009"] = "\u0020";
+ t["\u200A"] = "\u0020";
+ t["\u2017"] = "\u0020\u0333";
+ t["\u2024"] = "\u002E";
+ t["\u2025"] = "\u002E\u002E";
+ t["\u2026"] = "\u002E\u002E\u002E";
+ t["\u2033"] = "\u2032\u2032";
+ t["\u2034"] = "\u2032\u2032\u2032";
+ t["\u2036"] = "\u2035\u2035";
+ t["\u2037"] = "\u2035\u2035\u2035";
+ t["\u203C"] = "\u0021\u0021";
+ t["\u203E"] = "\u0020\u0305";
+ t["\u2047"] = "\u003F\u003F";
+ t["\u2048"] = "\u003F\u0021";
+ t["\u2049"] = "\u0021\u003F";
+ t["\u2057"] = "\u2032\u2032\u2032\u2032";
+ t["\u205F"] = "\u0020";
+ t["\u20A8"] = "\u0052\u0073";
+ t["\u2100"] = "\u0061\u002F\u0063";
+ t["\u2101"] = "\u0061\u002F\u0073";
+ t["\u2103"] = "\u00B0\u0043";
+ t["\u2105"] = "\u0063\u002F\u006F";
+ t["\u2106"] = "\u0063\u002F\u0075";
+ t["\u2107"] = "\u0190";
+ t["\u2109"] = "\u00B0\u0046";
+ t["\u2116"] = "\u004E\u006F";
+ t["\u2121"] = "\u0054\u0045\u004C";
+ t["\u2135"] = "\u05D0";
+ t["\u2136"] = "\u05D1";
+ t["\u2137"] = "\u05D2";
+ t["\u2138"] = "\u05D3";
+ t["\u213B"] = "\u0046\u0041\u0058";
+ t["\u2160"] = "\u0049";
+ t["\u2161"] = "\u0049\u0049";
+ t["\u2162"] = "\u0049\u0049\u0049";
+ t["\u2163"] = "\u0049\u0056";
+ t["\u2164"] = "\u0056";
+ t["\u2165"] = "\u0056\u0049";
+ t["\u2166"] = "\u0056\u0049\u0049";
+ t["\u2167"] = "\u0056\u0049\u0049\u0049";
+ t["\u2168"] = "\u0049\u0058";
+ t["\u2169"] = "\u0058";
+ t["\u216A"] = "\u0058\u0049";
+ t["\u216B"] = "\u0058\u0049\u0049";
+ t["\u216C"] = "\u004C";
+ t["\u216D"] = "\u0043";
+ t["\u216E"] = "\u0044";
+ t["\u216F"] = "\u004D";
+ t["\u2170"] = "\u0069";
+ t["\u2171"] = "\u0069\u0069";
+ t["\u2172"] = "\u0069\u0069\u0069";
+ t["\u2173"] = "\u0069\u0076";
+ t["\u2174"] = "\u0076";
+ t["\u2175"] = "\u0076\u0069";
+ t["\u2176"] = "\u0076\u0069\u0069";
+ t["\u2177"] = "\u0076\u0069\u0069\u0069";
+ t["\u2178"] = "\u0069\u0078";
+ t["\u2179"] = "\u0078";
+ t["\u217A"] = "\u0078\u0069";
+ t["\u217B"] = "\u0078\u0069\u0069";
+ t["\u217C"] = "\u006C";
+ t["\u217D"] = "\u0063";
+ t["\u217E"] = "\u0064";
+ t["\u217F"] = "\u006D";
+ t["\u222C"] = "\u222B\u222B";
+ t["\u222D"] = "\u222B\u222B\u222B";
+ t["\u222F"] = "\u222E\u222E";
+ t["\u2230"] = "\u222E\u222E\u222E";
+ t["\u2474"] = "\u0028\u0031\u0029";
+ t["\u2475"] = "\u0028\u0032\u0029";
+ t["\u2476"] = "\u0028\u0033\u0029";
+ t["\u2477"] = "\u0028\u0034\u0029";
+ t["\u2478"] = "\u0028\u0035\u0029";
+ t["\u2479"] = "\u0028\u0036\u0029";
+ t["\u247A"] = "\u0028\u0037\u0029";
+ t["\u247B"] = "\u0028\u0038\u0029";
+ t["\u247C"] = "\u0028\u0039\u0029";
+ t["\u247D"] = "\u0028\u0031\u0030\u0029";
+ t["\u247E"] = "\u0028\u0031\u0031\u0029";
+ t["\u247F"] = "\u0028\u0031\u0032\u0029";
+ t["\u2480"] = "\u0028\u0031\u0033\u0029";
+ t["\u2481"] = "\u0028\u0031\u0034\u0029";
+ t["\u2482"] = "\u0028\u0031\u0035\u0029";
+ t["\u2483"] = "\u0028\u0031\u0036\u0029";
+ t["\u2484"] = "\u0028\u0031\u0037\u0029";
+ t["\u2485"] = "\u0028\u0031\u0038\u0029";
+ t["\u2486"] = "\u0028\u0031\u0039\u0029";
+ t["\u2487"] = "\u0028\u0032\u0030\u0029";
+ t["\u2488"] = "\u0031\u002E";
+ t["\u2489"] = "\u0032\u002E";
+ t["\u248A"] = "\u0033\u002E";
+ t["\u248B"] = "\u0034\u002E";
+ t["\u248C"] = "\u0035\u002E";
+ t["\u248D"] = "\u0036\u002E";
+ t["\u248E"] = "\u0037\u002E";
+ t["\u248F"] = "\u0038\u002E";
+ t["\u2490"] = "\u0039\u002E";
+ t["\u2491"] = "\u0031\u0030\u002E";
+ t["\u2492"] = "\u0031\u0031\u002E";
+ t["\u2493"] = "\u0031\u0032\u002E";
+ t["\u2494"] = "\u0031\u0033\u002E";
+ t["\u2495"] = "\u0031\u0034\u002E";
+ t["\u2496"] = "\u0031\u0035\u002E";
+ t["\u2497"] = "\u0031\u0036\u002E";
+ t["\u2498"] = "\u0031\u0037\u002E";
+ t["\u2499"] = "\u0031\u0038\u002E";
+ t["\u249A"] = "\u0031\u0039\u002E";
+ t["\u249B"] = "\u0032\u0030\u002E";
+ t["\u249C"] = "\u0028\u0061\u0029";
+ t["\u249D"] = "\u0028\u0062\u0029";
+ t["\u249E"] = "\u0028\u0063\u0029";
+ t["\u249F"] = "\u0028\u0064\u0029";
+ t["\u24A0"] = "\u0028\u0065\u0029";
+ t["\u24A1"] = "\u0028\u0066\u0029";
+ t["\u24A2"] = "\u0028\u0067\u0029";
+ t["\u24A3"] = "\u0028\u0068\u0029";
+ t["\u24A4"] = "\u0028\u0069\u0029";
+ t["\u24A5"] = "\u0028\u006A\u0029";
+ t["\u24A6"] = "\u0028\u006B\u0029";
+ t["\u24A7"] = "\u0028\u006C\u0029";
+ t["\u24A8"] = "\u0028\u006D\u0029";
+ t["\u24A9"] = "\u0028\u006E\u0029";
+ t["\u24AA"] = "\u0028\u006F\u0029";
+ t["\u24AB"] = "\u0028\u0070\u0029";
+ t["\u24AC"] = "\u0028\u0071\u0029";
+ t["\u24AD"] = "\u0028\u0072\u0029";
+ t["\u24AE"] = "\u0028\u0073\u0029";
+ t["\u24AF"] = "\u0028\u0074\u0029";
+ t["\u24B0"] = "\u0028\u0075\u0029";
+ t["\u24B1"] = "\u0028\u0076\u0029";
+ t["\u24B2"] = "\u0028\u0077\u0029";
+ t["\u24B3"] = "\u0028\u0078\u0029";
+ t["\u24B4"] = "\u0028\u0079\u0029";
+ t["\u24B5"] = "\u0028\u007A\u0029";
+ t["\u2A0C"] = "\u222B\u222B\u222B\u222B";
+ t["\u2A74"] = "\u003A\u003A\u003D";
+ t["\u2A75"] = "\u003D\u003D";
+ t["\u2A76"] = "\u003D\u003D\u003D";
+ t["\u2E9F"] = "\u6BCD";
+ t["\u2EF3"] = "\u9F9F";
+ t["\u2F00"] = "\u4E00";
+ t["\u2F01"] = "\u4E28";
+ t["\u2F02"] = "\u4E36";
+ t["\u2F03"] = "\u4E3F";
+ t["\u2F04"] = "\u4E59";
+ t["\u2F05"] = "\u4E85";
+ t["\u2F06"] = "\u4E8C";
+ t["\u2F07"] = "\u4EA0";
+ t["\u2F08"] = "\u4EBA";
+ t["\u2F09"] = "\u513F";
+ t["\u2F0A"] = "\u5165";
+ t["\u2F0B"] = "\u516B";
+ t["\u2F0C"] = "\u5182";
+ t["\u2F0D"] = "\u5196";
+ t["\u2F0E"] = "\u51AB";
+ t["\u2F0F"] = "\u51E0";
+ t["\u2F10"] = "\u51F5";
+ t["\u2F11"] = "\u5200";
+ t["\u2F12"] = "\u529B";
+ t["\u2F13"] = "\u52F9";
+ t["\u2F14"] = "\u5315";
+ t["\u2F15"] = "\u531A";
+ t["\u2F16"] = "\u5338";
+ t["\u2F17"] = "\u5341";
+ t["\u2F18"] = "\u535C";
+ t["\u2F19"] = "\u5369";
+ t["\u2F1A"] = "\u5382";
+ t["\u2F1B"] = "\u53B6";
+ t["\u2F1C"] = "\u53C8";
+ t["\u2F1D"] = "\u53E3";
+ t["\u2F1E"] = "\u56D7";
+ t["\u2F1F"] = "\u571F";
+ t["\u2F20"] = "\u58EB";
+ t["\u2F21"] = "\u5902";
+ t["\u2F22"] = "\u590A";
+ t["\u2F23"] = "\u5915";
+ t["\u2F24"] = "\u5927";
+ t["\u2F25"] = "\u5973";
+ t["\u2F26"] = "\u5B50";
+ t["\u2F27"] = "\u5B80";
+ t["\u2F28"] = "\u5BF8";
+ t["\u2F29"] = "\u5C0F";
+ t["\u2F2A"] = "\u5C22";
+ t["\u2F2B"] = "\u5C38";
+ t["\u2F2C"] = "\u5C6E";
+ t["\u2F2D"] = "\u5C71";
+ t["\u2F2E"] = "\u5DDB";
+ t["\u2F2F"] = "\u5DE5";
+ t["\u2F30"] = "\u5DF1";
+ t["\u2F31"] = "\u5DFE";
+ t["\u2F32"] = "\u5E72";
+ t["\u2F33"] = "\u5E7A";
+ t["\u2F34"] = "\u5E7F";
+ t["\u2F35"] = "\u5EF4";
+ t["\u2F36"] = "\u5EFE";
+ t["\u2F37"] = "\u5F0B";
+ t["\u2F38"] = "\u5F13";
+ t["\u2F39"] = "\u5F50";
+ t["\u2F3A"] = "\u5F61";
+ t["\u2F3B"] = "\u5F73";
+ t["\u2F3C"] = "\u5FC3";
+ t["\u2F3D"] = "\u6208";
+ t["\u2F3E"] = "\u6236";
+ t["\u2F3F"] = "\u624B";
+ t["\u2F40"] = "\u652F";
+ t["\u2F41"] = "\u6534";
+ t["\u2F42"] = "\u6587";
+ t["\u2F43"] = "\u6597";
+ t["\u2F44"] = "\u65A4";
+ t["\u2F45"] = "\u65B9";
+ t["\u2F46"] = "\u65E0";
+ t["\u2F47"] = "\u65E5";
+ t["\u2F48"] = "\u66F0";
+ t["\u2F49"] = "\u6708";
+ t["\u2F4A"] = "\u6728";
+ t["\u2F4B"] = "\u6B20";
+ t["\u2F4C"] = "\u6B62";
+ t["\u2F4D"] = "\u6B79";
+ t["\u2F4E"] = "\u6BB3";
+ t["\u2F4F"] = "\u6BCB";
+ t["\u2F50"] = "\u6BD4";
+ t["\u2F51"] = "\u6BDB";
+ t["\u2F52"] = "\u6C0F";
+ t["\u2F53"] = "\u6C14";
+ t["\u2F54"] = "\u6C34";
+ t["\u2F55"] = "\u706B";
+ t["\u2F56"] = "\u722A";
+ t["\u2F57"] = "\u7236";
+ t["\u2F58"] = "\u723B";
+ t["\u2F59"] = "\u723F";
+ t["\u2F5A"] = "\u7247";
+ t["\u2F5B"] = "\u7259";
+ t["\u2F5C"] = "\u725B";
+ t["\u2F5D"] = "\u72AC";
+ t["\u2F5E"] = "\u7384";
+ t["\u2F5F"] = "\u7389";
+ t["\u2F60"] = "\u74DC";
+ t["\u2F61"] = "\u74E6";
+ t["\u2F62"] = "\u7518";
+ t["\u2F63"] = "\u751F";
+ t["\u2F64"] = "\u7528";
+ t["\u2F65"] = "\u7530";
+ t["\u2F66"] = "\u758B";
+ t["\u2F67"] = "\u7592";
+ t["\u2F68"] = "\u7676";
+ t["\u2F69"] = "\u767D";
+ t["\u2F6A"] = "\u76AE";
+ t["\u2F6B"] = "\u76BF";
+ t["\u2F6C"] = "\u76EE";
+ t["\u2F6D"] = "\u77DB";
+ t["\u2F6E"] = "\u77E2";
+ t["\u2F6F"] = "\u77F3";
+ t["\u2F70"] = "\u793A";
+ t["\u2F71"] = "\u79B8";
+ t["\u2F72"] = "\u79BE";
+ t["\u2F73"] = "\u7A74";
+ t["\u2F74"] = "\u7ACB";
+ t["\u2F75"] = "\u7AF9";
+ t["\u2F76"] = "\u7C73";
+ t["\u2F77"] = "\u7CF8";
+ t["\u2F78"] = "\u7F36";
+ t["\u2F79"] = "\u7F51";
+ t["\u2F7A"] = "\u7F8A";
+ t["\u2F7B"] = "\u7FBD";
+ t["\u2F7C"] = "\u8001";
+ t["\u2F7D"] = "\u800C";
+ t["\u2F7E"] = "\u8012";
+ t["\u2F7F"] = "\u8033";
+ t["\u2F80"] = "\u807F";
+ t["\u2F81"] = "\u8089";
+ t["\u2F82"] = "\u81E3";
+ t["\u2F83"] = "\u81EA";
+ t["\u2F84"] = "\u81F3";
+ t["\u2F85"] = "\u81FC";
+ t["\u2F86"] = "\u820C";
+ t["\u2F87"] = "\u821B";
+ t["\u2F88"] = "\u821F";
+ t["\u2F89"] = "\u826E";
+ t["\u2F8A"] = "\u8272";
+ t["\u2F8B"] = "\u8278";
+ t["\u2F8C"] = "\u864D";
+ t["\u2F8D"] = "\u866B";
+ t["\u2F8E"] = "\u8840";
+ t["\u2F8F"] = "\u884C";
+ t["\u2F90"] = "\u8863";
+ t["\u2F91"] = "\u897E";
+ t["\u2F92"] = "\u898B";
+ t["\u2F93"] = "\u89D2";
+ t["\u2F94"] = "\u8A00";
+ t["\u2F95"] = "\u8C37";
+ t["\u2F96"] = "\u8C46";
+ t["\u2F97"] = "\u8C55";
+ t["\u2F98"] = "\u8C78";
+ t["\u2F99"] = "\u8C9D";
+ t["\u2F9A"] = "\u8D64";
+ t["\u2F9B"] = "\u8D70";
+ t["\u2F9C"] = "\u8DB3";
+ t["\u2F9D"] = "\u8EAB";
+ t["\u2F9E"] = "\u8ECA";
+ t["\u2F9F"] = "\u8F9B";
+ t["\u2FA0"] = "\u8FB0";
+ t["\u2FA1"] = "\u8FB5";
+ t["\u2FA2"] = "\u9091";
+ t["\u2FA3"] = "\u9149";
+ t["\u2FA4"] = "\u91C6";
+ t["\u2FA5"] = "\u91CC";
+ t["\u2FA6"] = "\u91D1";
+ t["\u2FA7"] = "\u9577";
+ t["\u2FA8"] = "\u9580";
+ t["\u2FA9"] = "\u961C";
+ t["\u2FAA"] = "\u96B6";
+ t["\u2FAB"] = "\u96B9";
+ t["\u2FAC"] = "\u96E8";
+ t["\u2FAD"] = "\u9751";
+ t["\u2FAE"] = "\u975E";
+ t["\u2FAF"] = "\u9762";
+ t["\u2FB0"] = "\u9769";
+ t["\u2FB1"] = "\u97CB";
+ t["\u2FB2"] = "\u97ED";
+ t["\u2FB3"] = "\u97F3";
+ t["\u2FB4"] = "\u9801";
+ t["\u2FB5"] = "\u98A8";
+ t["\u2FB6"] = "\u98DB";
+ t["\u2FB7"] = "\u98DF";
+ t["\u2FB8"] = "\u9996";
+ t["\u2FB9"] = "\u9999";
+ t["\u2FBA"] = "\u99AC";
+ t["\u2FBB"] = "\u9AA8";
+ t["\u2FBC"] = "\u9AD8";
+ t["\u2FBD"] = "\u9ADF";
+ t["\u2FBE"] = "\u9B25";
+ t["\u2FBF"] = "\u9B2F";
+ t["\u2FC0"] = "\u9B32";
+ t["\u2FC1"] = "\u9B3C";
+ t["\u2FC2"] = "\u9B5A";
+ t["\u2FC3"] = "\u9CE5";
+ t["\u2FC4"] = "\u9E75";
+ t["\u2FC5"] = "\u9E7F";
+ t["\u2FC6"] = "\u9EA5";
+ t["\u2FC7"] = "\u9EBB";
+ t["\u2FC8"] = "\u9EC3";
+ t["\u2FC9"] = "\u9ECD";
+ t["\u2FCA"] = "\u9ED1";
+ t["\u2FCB"] = "\u9EF9";
+ t["\u2FCC"] = "\u9EFD";
+ t["\u2FCD"] = "\u9F0E";
+ t["\u2FCE"] = "\u9F13";
+ t["\u2FCF"] = "\u9F20";
+ t["\u2FD0"] = "\u9F3B";
+ t["\u2FD1"] = "\u9F4A";
+ t["\u2FD2"] = "\u9F52";
+ t["\u2FD3"] = "\u9F8D";
+ t["\u2FD4"] = "\u9F9C";
+ t["\u2FD5"] = "\u9FA0";
+ t["\u3036"] = "\u3012";
+ t["\u3038"] = "\u5341";
+ t["\u3039"] = "\u5344";
+ t["\u303A"] = "\u5345";
+ t["\u309B"] = "\u0020\u3099";
+ t["\u309C"] = "\u0020\u309A";
+ t["\u3131"] = "\u1100";
+ t["\u3132"] = "\u1101";
+ t["\u3133"] = "\u11AA";
+ t["\u3134"] = "\u1102";
+ t["\u3135"] = "\u11AC";
+ t["\u3136"] = "\u11AD";
+ t["\u3137"] = "\u1103";
+ t["\u3138"] = "\u1104";
+ t["\u3139"] = "\u1105";
+ t["\u313A"] = "\u11B0";
+ t["\u313B"] = "\u11B1";
+ t["\u313C"] = "\u11B2";
+ t["\u313D"] = "\u11B3";
+ t["\u313E"] = "\u11B4";
+ t["\u313F"] = "\u11B5";
+ t["\u3140"] = "\u111A";
+ t["\u3141"] = "\u1106";
+ t["\u3142"] = "\u1107";
+ t["\u3143"] = "\u1108";
+ t["\u3144"] = "\u1121";
+ t["\u3145"] = "\u1109";
+ t["\u3146"] = "\u110A";
+ t["\u3147"] = "\u110B";
+ t["\u3148"] = "\u110C";
+ t["\u3149"] = "\u110D";
+ t["\u314A"] = "\u110E";
+ t["\u314B"] = "\u110F";
+ t["\u314C"] = "\u1110";
+ t["\u314D"] = "\u1111";
+ t["\u314E"] = "\u1112";
+ t["\u314F"] = "\u1161";
+ t["\u3150"] = "\u1162";
+ t["\u3151"] = "\u1163";
+ t["\u3152"] = "\u1164";
+ t["\u3153"] = "\u1165";
+ t["\u3154"] = "\u1166";
+ t["\u3155"] = "\u1167";
+ t["\u3156"] = "\u1168";
+ t["\u3157"] = "\u1169";
+ t["\u3158"] = "\u116A";
+ t["\u3159"] = "\u116B";
+ t["\u315A"] = "\u116C";
+ t["\u315B"] = "\u116D";
+ t["\u315C"] = "\u116E";
+ t["\u315D"] = "\u116F";
+ t["\u315E"] = "\u1170";
+ t["\u315F"] = "\u1171";
+ t["\u3160"] = "\u1172";
+ t["\u3161"] = "\u1173";
+ t["\u3162"] = "\u1174";
+ t["\u3163"] = "\u1175";
+ t["\u3164"] = "\u1160";
+ t["\u3165"] = "\u1114";
+ t["\u3166"] = "\u1115";
+ t["\u3167"] = "\u11C7";
+ t["\u3168"] = "\u11C8";
+ t["\u3169"] = "\u11CC";
+ t["\u316A"] = "\u11CE";
+ t["\u316B"] = "\u11D3";
+ t["\u316C"] = "\u11D7";
+ t["\u316D"] = "\u11D9";
+ t["\u316E"] = "\u111C";
+ t["\u316F"] = "\u11DD";
+ t["\u3170"] = "\u11DF";
+ t["\u3171"] = "\u111D";
+ t["\u3172"] = "\u111E";
+ t["\u3173"] = "\u1120";
+ t["\u3174"] = "\u1122";
+ t["\u3175"] = "\u1123";
+ t["\u3176"] = "\u1127";
+ t["\u3177"] = "\u1129";
+ t["\u3178"] = "\u112B";
+ t["\u3179"] = "\u112C";
+ t["\u317A"] = "\u112D";
+ t["\u317B"] = "\u112E";
+ t["\u317C"] = "\u112F";
+ t["\u317D"] = "\u1132";
+ t["\u317E"] = "\u1136";
+ t["\u317F"] = "\u1140";
+ t["\u3180"] = "\u1147";
+ t["\u3181"] = "\u114C";
+ t["\u3182"] = "\u11F1";
+ t["\u3183"] = "\u11F2";
+ t["\u3184"] = "\u1157";
+ t["\u3185"] = "\u1158";
+ t["\u3186"] = "\u1159";
+ t["\u3187"] = "\u1184";
+ t["\u3188"] = "\u1185";
+ t["\u3189"] = "\u1188";
+ t["\u318A"] = "\u1191";
+ t["\u318B"] = "\u1192";
+ t["\u318C"] = "\u1194";
+ t["\u318D"] = "\u119E";
+ t["\u318E"] = "\u11A1";
+ t["\u3200"] = "\u0028\u1100\u0029";
+ t["\u3201"] = "\u0028\u1102\u0029";
+ t["\u3202"] = "\u0028\u1103\u0029";
+ t["\u3203"] = "\u0028\u1105\u0029";
+ t["\u3204"] = "\u0028\u1106\u0029";
+ t["\u3205"] = "\u0028\u1107\u0029";
+ t["\u3206"] = "\u0028\u1109\u0029";
+ t["\u3207"] = "\u0028\u110B\u0029";
+ t["\u3208"] = "\u0028\u110C\u0029";
+ t["\u3209"] = "\u0028\u110E\u0029";
+ t["\u320A"] = "\u0028\u110F\u0029";
+ t["\u320B"] = "\u0028\u1110\u0029";
+ t["\u320C"] = "\u0028\u1111\u0029";
+ t["\u320D"] = "\u0028\u1112\u0029";
+ t["\u320E"] = "\u0028\u1100\u1161\u0029";
+ t["\u320F"] = "\u0028\u1102\u1161\u0029";
+ t["\u3210"] = "\u0028\u1103\u1161\u0029";
+ t["\u3211"] = "\u0028\u1105\u1161\u0029";
+ t["\u3212"] = "\u0028\u1106\u1161\u0029";
+ t["\u3213"] = "\u0028\u1107\u1161\u0029";
+ t["\u3214"] = "\u0028\u1109\u1161\u0029";
+ t["\u3215"] = "\u0028\u110B\u1161\u0029";
+ t["\u3216"] = "\u0028\u110C\u1161\u0029";
+ t["\u3217"] = "\u0028\u110E\u1161\u0029";
+ t["\u3218"] = "\u0028\u110F\u1161\u0029";
+ t["\u3219"] = "\u0028\u1110\u1161\u0029";
+ t["\u321A"] = "\u0028\u1111\u1161\u0029";
+ t["\u321B"] = "\u0028\u1112\u1161\u0029";
+ t["\u321C"] = "\u0028\u110C\u116E\u0029";
+ t["\u321D"] = "\u0028\u110B\u1169\u110C\u1165\u11AB\u0029";
+ t["\u321E"] = "\u0028\u110B\u1169\u1112\u116E\u0029";
+ t["\u3220"] = "\u0028\u4E00\u0029";
+ t["\u3221"] = "\u0028\u4E8C\u0029";
+ t["\u3222"] = "\u0028\u4E09\u0029";
+ t["\u3223"] = "\u0028\u56DB\u0029";
+ t["\u3224"] = "\u0028\u4E94\u0029";
+ t["\u3225"] = "\u0028\u516D\u0029";
+ t["\u3226"] = "\u0028\u4E03\u0029";
+ t["\u3227"] = "\u0028\u516B\u0029";
+ t["\u3228"] = "\u0028\u4E5D\u0029";
+ t["\u3229"] = "\u0028\u5341\u0029";
+ t["\u322A"] = "\u0028\u6708\u0029";
+ t["\u322B"] = "\u0028\u706B\u0029";
+ t["\u322C"] = "\u0028\u6C34\u0029";
+ t["\u322D"] = "\u0028\u6728\u0029";
+ t["\u322E"] = "\u0028\u91D1\u0029";
+ t["\u322F"] = "\u0028\u571F\u0029";
+ t["\u3230"] = "\u0028\u65E5\u0029";
+ t["\u3231"] = "\u0028\u682A\u0029";
+ t["\u3232"] = "\u0028\u6709\u0029";
+ t["\u3233"] = "\u0028\u793E\u0029";
+ t["\u3234"] = "\u0028\u540D\u0029";
+ t["\u3235"] = "\u0028\u7279\u0029";
+ t["\u3236"] = "\u0028\u8CA1\u0029";
+ t["\u3237"] = "\u0028\u795D\u0029";
+ t["\u3238"] = "\u0028\u52B4\u0029";
+ t["\u3239"] = "\u0028\u4EE3\u0029";
+ t["\u323A"] = "\u0028\u547C\u0029";
+ t["\u323B"] = "\u0028\u5B66\u0029";
+ t["\u323C"] = "\u0028\u76E3\u0029";
+ t["\u323D"] = "\u0028\u4F01\u0029";
+ t["\u323E"] = "\u0028\u8CC7\u0029";
+ t["\u323F"] = "\u0028\u5354\u0029";
+ t["\u3240"] = "\u0028\u796D\u0029";
+ t["\u3241"] = "\u0028\u4F11\u0029";
+ t["\u3242"] = "\u0028\u81EA\u0029";
+ t["\u3243"] = "\u0028\u81F3\u0029";
+ t["\u32C0"] = "\u0031\u6708";
+ t["\u32C1"] = "\u0032\u6708";
+ t["\u32C2"] = "\u0033\u6708";
+ t["\u32C3"] = "\u0034\u6708";
+ t["\u32C4"] = "\u0035\u6708";
+ t["\u32C5"] = "\u0036\u6708";
+ t["\u32C6"] = "\u0037\u6708";
+ t["\u32C7"] = "\u0038\u6708";
+ t["\u32C8"] = "\u0039\u6708";
+ t["\u32C9"] = "\u0031\u0030\u6708";
+ t["\u32CA"] = "\u0031\u0031\u6708";
+ t["\u32CB"] = "\u0031\u0032\u6708";
+ t["\u3358"] = "\u0030\u70B9";
+ t["\u3359"] = "\u0031\u70B9";
+ t["\u335A"] = "\u0032\u70B9";
+ t["\u335B"] = "\u0033\u70B9";
+ t["\u335C"] = "\u0034\u70B9";
+ t["\u335D"] = "\u0035\u70B9";
+ t["\u335E"] = "\u0036\u70B9";
+ t["\u335F"] = "\u0037\u70B9";
+ t["\u3360"] = "\u0038\u70B9";
+ t["\u3361"] = "\u0039\u70B9";
+ t["\u3362"] = "\u0031\u0030\u70B9";
+ t["\u3363"] = "\u0031\u0031\u70B9";
+ t["\u3364"] = "\u0031\u0032\u70B9";
+ t["\u3365"] = "\u0031\u0033\u70B9";
+ t["\u3366"] = "\u0031\u0034\u70B9";
+ t["\u3367"] = "\u0031\u0035\u70B9";
+ t["\u3368"] = "\u0031\u0036\u70B9";
+ t["\u3369"] = "\u0031\u0037\u70B9";
+ t["\u336A"] = "\u0031\u0038\u70B9";
+ t["\u336B"] = "\u0031\u0039\u70B9";
+ t["\u336C"] = "\u0032\u0030\u70B9";
+ t["\u336D"] = "\u0032\u0031\u70B9";
+ t["\u336E"] = "\u0032\u0032\u70B9";
+ t["\u336F"] = "\u0032\u0033\u70B9";
+ t["\u3370"] = "\u0032\u0034\u70B9";
+ t["\u33E0"] = "\u0031\u65E5";
+ t["\u33E1"] = "\u0032\u65E5";
+ t["\u33E2"] = "\u0033\u65E5";
+ t["\u33E3"] = "\u0034\u65E5";
+ t["\u33E4"] = "\u0035\u65E5";
+ t["\u33E5"] = "\u0036\u65E5";
+ t["\u33E6"] = "\u0037\u65E5";
+ t["\u33E7"] = "\u0038\u65E5";
+ t["\u33E8"] = "\u0039\u65E5";
+ t["\u33E9"] = "\u0031\u0030\u65E5";
+ t["\u33EA"] = "\u0031\u0031\u65E5";
+ t["\u33EB"] = "\u0031\u0032\u65E5";
+ t["\u33EC"] = "\u0031\u0033\u65E5";
+ t["\u33ED"] = "\u0031\u0034\u65E5";
+ t["\u33EE"] = "\u0031\u0035\u65E5";
+ t["\u33EF"] = "\u0031\u0036\u65E5";
+ t["\u33F0"] = "\u0031\u0037\u65E5";
+ t["\u33F1"] = "\u0031\u0038\u65E5";
+ t["\u33F2"] = "\u0031\u0039\u65E5";
+ t["\u33F3"] = "\u0032\u0030\u65E5";
+ t["\u33F4"] = "\u0032\u0031\u65E5";
+ t["\u33F5"] = "\u0032\u0032\u65E5";
+ t["\u33F6"] = "\u0032\u0033\u65E5";
+ t["\u33F7"] = "\u0032\u0034\u65E5";
+ t["\u33F8"] = "\u0032\u0035\u65E5";
+ t["\u33F9"] = "\u0032\u0036\u65E5";
+ t["\u33FA"] = "\u0032\u0037\u65E5";
+ t["\u33FB"] = "\u0032\u0038\u65E5";
+ t["\u33FC"] = "\u0032\u0039\u65E5";
+ t["\u33FD"] = "\u0033\u0030\u65E5";
+ t["\u33FE"] = "\u0033\u0031\u65E5";
+ t["\uFB00"] = "\u0066\u0066";
+ t["\uFB01"] = "\u0066\u0069";
+ t["\uFB02"] = "\u0066\u006C";
+ t["\uFB03"] = "\u0066\u0066\u0069";
+ t["\uFB04"] = "\u0066\u0066\u006C";
+ t["\uFB05"] = "\u017F\u0074";
+ t["\uFB06"] = "\u0073\u0074";
+ t["\uFB13"] = "\u0574\u0576";
+ t["\uFB14"] = "\u0574\u0565";
+ t["\uFB15"] = "\u0574\u056B";
+ t["\uFB16"] = "\u057E\u0576";
+ t["\uFB17"] = "\u0574\u056D";
+ t["\uFB4F"] = "\u05D0\u05DC";
+ t["\uFB50"] = "\u0671";
+ t["\uFB51"] = "\u0671";
+ t["\uFB52"] = "\u067B";
+ t["\uFB53"] = "\u067B";
+ t["\uFB54"] = "\u067B";
+ t["\uFB55"] = "\u067B";
+ t["\uFB56"] = "\u067E";
+ t["\uFB57"] = "\u067E";
+ t["\uFB58"] = "\u067E";
+ t["\uFB59"] = "\u067E";
+ t["\uFB5A"] = "\u0680";
+ t["\uFB5B"] = "\u0680";
+ t["\uFB5C"] = "\u0680";
+ t["\uFB5D"] = "\u0680";
+ t["\uFB5E"] = "\u067A";
+ t["\uFB5F"] = "\u067A";
+ t["\uFB60"] = "\u067A";
+ t["\uFB61"] = "\u067A";
+ t["\uFB62"] = "\u067F";
+ t["\uFB63"] = "\u067F";
+ t["\uFB64"] = "\u067F";
+ t["\uFB65"] = "\u067F";
+ t["\uFB66"] = "\u0679";
+ t["\uFB67"] = "\u0679";
+ t["\uFB68"] = "\u0679";
+ t["\uFB69"] = "\u0679";
+ t["\uFB6A"] = "\u06A4";
+ t["\uFB6B"] = "\u06A4";
+ t["\uFB6C"] = "\u06A4";
+ t["\uFB6D"] = "\u06A4";
+ t["\uFB6E"] = "\u06A6";
+ t["\uFB6F"] = "\u06A6";
+ t["\uFB70"] = "\u06A6";
+ t["\uFB71"] = "\u06A6";
+ t["\uFB72"] = "\u0684";
+ t["\uFB73"] = "\u0684";
+ t["\uFB74"] = "\u0684";
+ t["\uFB75"] = "\u0684";
+ t["\uFB76"] = "\u0683";
+ t["\uFB77"] = "\u0683";
+ t["\uFB78"] = "\u0683";
+ t["\uFB79"] = "\u0683";
+ t["\uFB7A"] = "\u0686";
+ t["\uFB7B"] = "\u0686";
+ t["\uFB7C"] = "\u0686";
+ t["\uFB7D"] = "\u0686";
+ t["\uFB7E"] = "\u0687";
+ t["\uFB7F"] = "\u0687";
+ t["\uFB80"] = "\u0687";
+ t["\uFB81"] = "\u0687";
+ t["\uFB82"] = "\u068D";
+ t["\uFB83"] = "\u068D";
+ t["\uFB84"] = "\u068C";
+ t["\uFB85"] = "\u068C";
+ t["\uFB86"] = "\u068E";
+ t["\uFB87"] = "\u068E";
+ t["\uFB88"] = "\u0688";
+ t["\uFB89"] = "\u0688";
+ t["\uFB8A"] = "\u0698";
+ t["\uFB8B"] = "\u0698";
+ t["\uFB8C"] = "\u0691";
+ t["\uFB8D"] = "\u0691";
+ t["\uFB8E"] = "\u06A9";
+ t["\uFB8F"] = "\u06A9";
+ t["\uFB90"] = "\u06A9";
+ t["\uFB91"] = "\u06A9";
+ t["\uFB92"] = "\u06AF";
+ t["\uFB93"] = "\u06AF";
+ t["\uFB94"] = "\u06AF";
+ t["\uFB95"] = "\u06AF";
+ t["\uFB96"] = "\u06B3";
+ t["\uFB97"] = "\u06B3";
+ t["\uFB98"] = "\u06B3";
+ t["\uFB99"] = "\u06B3";
+ t["\uFB9A"] = "\u06B1";
+ t["\uFB9B"] = "\u06B1";
+ t["\uFB9C"] = "\u06B1";
+ t["\uFB9D"] = "\u06B1";
+ t["\uFB9E"] = "\u06BA";
+ t["\uFB9F"] = "\u06BA";
+ t["\uFBA0"] = "\u06BB";
+ t["\uFBA1"] = "\u06BB";
+ t["\uFBA2"] = "\u06BB";
+ t["\uFBA3"] = "\u06BB";
+ t["\uFBA4"] = "\u06C0";
+ t["\uFBA5"] = "\u06C0";
+ t["\uFBA6"] = "\u06C1";
+ t["\uFBA7"] = "\u06C1";
+ t["\uFBA8"] = "\u06C1";
+ t["\uFBA9"] = "\u06C1";
+ t["\uFBAA"] = "\u06BE";
+ t["\uFBAB"] = "\u06BE";
+ t["\uFBAC"] = "\u06BE";
+ t["\uFBAD"] = "\u06BE";
+ t["\uFBAE"] = "\u06D2";
+ t["\uFBAF"] = "\u06D2";
+ t["\uFBB0"] = "\u06D3";
+ t["\uFBB1"] = "\u06D3";
+ t["\uFBD3"] = "\u06AD";
+ t["\uFBD4"] = "\u06AD";
+ t["\uFBD5"] = "\u06AD";
+ t["\uFBD6"] = "\u06AD";
+ t["\uFBD7"] = "\u06C7";
+ t["\uFBD8"] = "\u06C7";
+ t["\uFBD9"] = "\u06C6";
+ t["\uFBDA"] = "\u06C6";
+ t["\uFBDB"] = "\u06C8";
+ t["\uFBDC"] = "\u06C8";
+ t["\uFBDD"] = "\u0677";
+ t["\uFBDE"] = "\u06CB";
+ t["\uFBDF"] = "\u06CB";
+ t["\uFBE0"] = "\u06C5";
+ t["\uFBE1"] = "\u06C5";
+ t["\uFBE2"] = "\u06C9";
+ t["\uFBE3"] = "\u06C9";
+ t["\uFBE4"] = "\u06D0";
+ t["\uFBE5"] = "\u06D0";
+ t["\uFBE6"] = "\u06D0";
+ t["\uFBE7"] = "\u06D0";
+ t["\uFBE8"] = "\u0649";
+ t["\uFBE9"] = "\u0649";
+ t["\uFBEA"] = "\u0626\u0627";
+ t["\uFBEB"] = "\u0626\u0627";
+ t["\uFBEC"] = "\u0626\u06D5";
+ t["\uFBED"] = "\u0626\u06D5";
+ t["\uFBEE"] = "\u0626\u0648";
+ t["\uFBEF"] = "\u0626\u0648";
+ t["\uFBF0"] = "\u0626\u06C7";
+ t["\uFBF1"] = "\u0626\u06C7";
+ t["\uFBF2"] = "\u0626\u06C6";
+ t["\uFBF3"] = "\u0626\u06C6";
+ t["\uFBF4"] = "\u0626\u06C8";
+ t["\uFBF5"] = "\u0626\u06C8";
+ t["\uFBF6"] = "\u0626\u06D0";
+ t["\uFBF7"] = "\u0626\u06D0";
+ t["\uFBF8"] = "\u0626\u06D0";
+ t["\uFBF9"] = "\u0626\u0649";
+ t["\uFBFA"] = "\u0626\u0649";
+ t["\uFBFB"] = "\u0626\u0649";
+ t["\uFBFC"] = "\u06CC";
+ t["\uFBFD"] = "\u06CC";
+ t["\uFBFE"] = "\u06CC";
+ t["\uFBFF"] = "\u06CC";
+ t["\uFC00"] = "\u0626\u062C";
+ t["\uFC01"] = "\u0626\u062D";
+ t["\uFC02"] = "\u0626\u0645";
+ t["\uFC03"] = "\u0626\u0649";
+ t["\uFC04"] = "\u0626\u064A";
+ t["\uFC05"] = "\u0628\u062C";
+ t["\uFC06"] = "\u0628\u062D";
+ t["\uFC07"] = "\u0628\u062E";
+ t["\uFC08"] = "\u0628\u0645";
+ t["\uFC09"] = "\u0628\u0649";
+ t["\uFC0A"] = "\u0628\u064A";
+ t["\uFC0B"] = "\u062A\u062C";
+ t["\uFC0C"] = "\u062A\u062D";
+ t["\uFC0D"] = "\u062A\u062E";
+ t["\uFC0E"] = "\u062A\u0645";
+ t["\uFC0F"] = "\u062A\u0649";
+ t["\uFC10"] = "\u062A\u064A";
+ t["\uFC11"] = "\u062B\u062C";
+ t["\uFC12"] = "\u062B\u0645";
+ t["\uFC13"] = "\u062B\u0649";
+ t["\uFC14"] = "\u062B\u064A";
+ t["\uFC15"] = "\u062C\u062D";
+ t["\uFC16"] = "\u062C\u0645";
+ t["\uFC17"] = "\u062D\u062C";
+ t["\uFC18"] = "\u062D\u0645";
+ t["\uFC19"] = "\u062E\u062C";
+ t["\uFC1A"] = "\u062E\u062D";
+ t["\uFC1B"] = "\u062E\u0645";
+ t["\uFC1C"] = "\u0633\u062C";
+ t["\uFC1D"] = "\u0633\u062D";
+ t["\uFC1E"] = "\u0633\u062E";
+ t["\uFC1F"] = "\u0633\u0645";
+ t["\uFC20"] = "\u0635\u062D";
+ t["\uFC21"] = "\u0635\u0645";
+ t["\uFC22"] = "\u0636\u062C";
+ t["\uFC23"] = "\u0636\u062D";
+ t["\uFC24"] = "\u0636\u062E";
+ t["\uFC25"] = "\u0636\u0645";
+ t["\uFC26"] = "\u0637\u062D";
+ t["\uFC27"] = "\u0637\u0645";
+ t["\uFC28"] = "\u0638\u0645";
+ t["\uFC29"] = "\u0639\u062C";
+ t["\uFC2A"] = "\u0639\u0645";
+ t["\uFC2B"] = "\u063A\u062C";
+ t["\uFC2C"] = "\u063A\u0645";
+ t["\uFC2D"] = "\u0641\u062C";
+ t["\uFC2E"] = "\u0641\u062D";
+ t["\uFC2F"] = "\u0641\u062E";
+ t["\uFC30"] = "\u0641\u0645";
+ t["\uFC31"] = "\u0641\u0649";
+ t["\uFC32"] = "\u0641\u064A";
+ t["\uFC33"] = "\u0642\u062D";
+ t["\uFC34"] = "\u0642\u0645";
+ t["\uFC35"] = "\u0642\u0649";
+ t["\uFC36"] = "\u0642\u064A";
+ t["\uFC37"] = "\u0643\u0627";
+ t["\uFC38"] = "\u0643\u062C";
+ t["\uFC39"] = "\u0643\u062D";
+ t["\uFC3A"] = "\u0643\u062E";
+ t["\uFC3B"] = "\u0643\u0644";
+ t["\uFC3C"] = "\u0643\u0645";
+ t["\uFC3D"] = "\u0643\u0649";
+ t["\uFC3E"] = "\u0643\u064A";
+ t["\uFC3F"] = "\u0644\u062C";
+ t["\uFC40"] = "\u0644\u062D";
+ t["\uFC41"] = "\u0644\u062E";
+ t["\uFC42"] = "\u0644\u0645";
+ t["\uFC43"] = "\u0644\u0649";
+ t["\uFC44"] = "\u0644\u064A";
+ t["\uFC45"] = "\u0645\u062C";
+ t["\uFC46"] = "\u0645\u062D";
+ t["\uFC47"] = "\u0645\u062E";
+ t["\uFC48"] = "\u0645\u0645";
+ t["\uFC49"] = "\u0645\u0649";
+ t["\uFC4A"] = "\u0645\u064A";
+ t["\uFC4B"] = "\u0646\u062C";
+ t["\uFC4C"] = "\u0646\u062D";
+ t["\uFC4D"] = "\u0646\u062E";
+ t["\uFC4E"] = "\u0646\u0645";
+ t["\uFC4F"] = "\u0646\u0649";
+ t["\uFC50"] = "\u0646\u064A";
+ t["\uFC51"] = "\u0647\u062C";
+ t["\uFC52"] = "\u0647\u0645";
+ t["\uFC53"] = "\u0647\u0649";
+ t["\uFC54"] = "\u0647\u064A";
+ t["\uFC55"] = "\u064A\u062C";
+ t["\uFC56"] = "\u064A\u062D";
+ t["\uFC57"] = "\u064A\u062E";
+ t["\uFC58"] = "\u064A\u0645";
+ t["\uFC59"] = "\u064A\u0649";
+ t["\uFC5A"] = "\u064A\u064A";
+ t["\uFC5B"] = "\u0630\u0670";
+ t["\uFC5C"] = "\u0631\u0670";
+ t["\uFC5D"] = "\u0649\u0670";
+ t["\uFC5E"] = "\u0020\u064C\u0651";
+ t["\uFC5F"] = "\u0020\u064D\u0651";
+ t["\uFC60"] = "\u0020\u064E\u0651";
+ t["\uFC61"] = "\u0020\u064F\u0651";
+ t["\uFC62"] = "\u0020\u0650\u0651";
+ t["\uFC63"] = "\u0020\u0651\u0670";
+ t["\uFC64"] = "\u0626\u0631";
+ t["\uFC65"] = "\u0626\u0632";
+ t["\uFC66"] = "\u0626\u0645";
+ t["\uFC67"] = "\u0626\u0646";
+ t["\uFC68"] = "\u0626\u0649";
+ t["\uFC69"] = "\u0626\u064A";
+ t["\uFC6A"] = "\u0628\u0631";
+ t["\uFC6B"] = "\u0628\u0632";
+ t["\uFC6C"] = "\u0628\u0645";
+ t["\uFC6D"] = "\u0628\u0646";
+ t["\uFC6E"] = "\u0628\u0649";
+ t["\uFC6F"] = "\u0628\u064A";
+ t["\uFC70"] = "\u062A\u0631";
+ t["\uFC71"] = "\u062A\u0632";
+ t["\uFC72"] = "\u062A\u0645";
+ t["\uFC73"] = "\u062A\u0646";
+ t["\uFC74"] = "\u062A\u0649";
+ t["\uFC75"] = "\u062A\u064A";
+ t["\uFC76"] = "\u062B\u0631";
+ t["\uFC77"] = "\u062B\u0632";
+ t["\uFC78"] = "\u062B\u0645";
+ t["\uFC79"] = "\u062B\u0646";
+ t["\uFC7A"] = "\u062B\u0649";
+ t["\uFC7B"] = "\u062B\u064A";
+ t["\uFC7C"] = "\u0641\u0649";
+ t["\uFC7D"] = "\u0641\u064A";
+ t["\uFC7E"] = "\u0642\u0649";
+ t["\uFC7F"] = "\u0642\u064A";
+ t["\uFC80"] = "\u0643\u0627";
+ t["\uFC81"] = "\u0643\u0644";
+ t["\uFC82"] = "\u0643\u0645";
+ t["\uFC83"] = "\u0643\u0649";
+ t["\uFC84"] = "\u0643\u064A";
+ t["\uFC85"] = "\u0644\u0645";
+ t["\uFC86"] = "\u0644\u0649";
+ t["\uFC87"] = "\u0644\u064A";
+ t["\uFC88"] = "\u0645\u0627";
+ t["\uFC89"] = "\u0645\u0645";
+ t["\uFC8A"] = "\u0646\u0631";
+ t["\uFC8B"] = "\u0646\u0632";
+ t["\uFC8C"] = "\u0646\u0645";
+ t["\uFC8D"] = "\u0646\u0646";
+ t["\uFC8E"] = "\u0646\u0649";
+ t["\uFC8F"] = "\u0646\u064A";
+ t["\uFC90"] = "\u0649\u0670";
+ t["\uFC91"] = "\u064A\u0631";
+ t["\uFC92"] = "\u064A\u0632";
+ t["\uFC93"] = "\u064A\u0645";
+ t["\uFC94"] = "\u064A\u0646";
+ t["\uFC95"] = "\u064A\u0649";
+ t["\uFC96"] = "\u064A\u064A";
+ t["\uFC97"] = "\u0626\u062C";
+ t["\uFC98"] = "\u0626\u062D";
+ t["\uFC99"] = "\u0626\u062E";
+ t["\uFC9A"] = "\u0626\u0645";
+ t["\uFC9B"] = "\u0626\u0647";
+ t["\uFC9C"] = "\u0628\u062C";
+ t["\uFC9D"] = "\u0628\u062D";
+ t["\uFC9E"] = "\u0628\u062E";
+ t["\uFC9F"] = "\u0628\u0645";
+ t["\uFCA0"] = "\u0628\u0647";
+ t["\uFCA1"] = "\u062A\u062C";
+ t["\uFCA2"] = "\u062A\u062D";
+ t["\uFCA3"] = "\u062A\u062E";
+ t["\uFCA4"] = "\u062A\u0645";
+ t["\uFCA5"] = "\u062A\u0647";
+ t["\uFCA6"] = "\u062B\u0645";
+ t["\uFCA7"] = "\u062C\u062D";
+ t["\uFCA8"] = "\u062C\u0645";
+ t["\uFCA9"] = "\u062D\u062C";
+ t["\uFCAA"] = "\u062D\u0645";
+ t["\uFCAB"] = "\u062E\u062C";
+ t["\uFCAC"] = "\u062E\u0645";
+ t["\uFCAD"] = "\u0633\u062C";
+ t["\uFCAE"] = "\u0633\u062D";
+ t["\uFCAF"] = "\u0633\u062E";
+ t["\uFCB0"] = "\u0633\u0645";
+ t["\uFCB1"] = "\u0635\u062D";
+ t["\uFCB2"] = "\u0635\u062E";
+ t["\uFCB3"] = "\u0635\u0645";
+ t["\uFCB4"] = "\u0636\u062C";
+ t["\uFCB5"] = "\u0636\u062D";
+ t["\uFCB6"] = "\u0636\u062E";
+ t["\uFCB7"] = "\u0636\u0645";
+ t["\uFCB8"] = "\u0637\u062D";
+ t["\uFCB9"] = "\u0638\u0645";
+ t["\uFCBA"] = "\u0639\u062C";
+ t["\uFCBB"] = "\u0639\u0645";
+ t["\uFCBC"] = "\u063A\u062C";
+ t["\uFCBD"] = "\u063A\u0645";
+ t["\uFCBE"] = "\u0641\u062C";
+ t["\uFCBF"] = "\u0641\u062D";
+ t["\uFCC0"] = "\u0641\u062E";
+ t["\uFCC1"] = "\u0641\u0645";
+ t["\uFCC2"] = "\u0642\u062D";
+ t["\uFCC3"] = "\u0642\u0645";
+ t["\uFCC4"] = "\u0643\u062C";
+ t["\uFCC5"] = "\u0643\u062D";
+ t["\uFCC6"] = "\u0643\u062E";
+ t["\uFCC7"] = "\u0643\u0644";
+ t["\uFCC8"] = "\u0643\u0645";
+ t["\uFCC9"] = "\u0644\u062C";
+ t["\uFCCA"] = "\u0644\u062D";
+ t["\uFCCB"] = "\u0644\u062E";
+ t["\uFCCC"] = "\u0644\u0645";
+ t["\uFCCD"] = "\u0644\u0647";
+ t["\uFCCE"] = "\u0645\u062C";
+ t["\uFCCF"] = "\u0645\u062D";
+ t["\uFCD0"] = "\u0645\u062E";
+ t["\uFCD1"] = "\u0645\u0645";
+ t["\uFCD2"] = "\u0646\u062C";
+ t["\uFCD3"] = "\u0646\u062D";
+ t["\uFCD4"] = "\u0646\u062E";
+ t["\uFCD5"] = "\u0646\u0645";
+ t["\uFCD6"] = "\u0646\u0647";
+ t["\uFCD7"] = "\u0647\u062C";
+ t["\uFCD8"] = "\u0647\u0645";
+ t["\uFCD9"] = "\u0647\u0670";
+ t["\uFCDA"] = "\u064A\u062C";
+ t["\uFCDB"] = "\u064A\u062D";
+ t["\uFCDC"] = "\u064A\u062E";
+ t["\uFCDD"] = "\u064A\u0645";
+ t["\uFCDE"] = "\u064A\u0647";
+ t["\uFCDF"] = "\u0626\u0645";
+ t["\uFCE0"] = "\u0626\u0647";
+ t["\uFCE1"] = "\u0628\u0645";
+ t["\uFCE2"] = "\u0628\u0647";
+ t["\uFCE3"] = "\u062A\u0645";
+ t["\uFCE4"] = "\u062A\u0647";
+ t["\uFCE5"] = "\u062B\u0645";
+ t["\uFCE6"] = "\u062B\u0647";
+ t["\uFCE7"] = "\u0633\u0645";
+ t["\uFCE8"] = "\u0633\u0647";
+ t["\uFCE9"] = "\u0634\u0645";
+ t["\uFCEA"] = "\u0634\u0647";
+ t["\uFCEB"] = "\u0643\u0644";
+ t["\uFCEC"] = "\u0643\u0645";
+ t["\uFCED"] = "\u0644\u0645";
+ t["\uFCEE"] = "\u0646\u0645";
+ t["\uFCEF"] = "\u0646\u0647";
+ t["\uFCF0"] = "\u064A\u0645";
+ t["\uFCF1"] = "\u064A\u0647";
+ t["\uFCF2"] = "\u0640\u064E\u0651";
+ t["\uFCF3"] = "\u0640\u064F\u0651";
+ t["\uFCF4"] = "\u0640\u0650\u0651";
+ t["\uFCF5"] = "\u0637\u0649";
+ t["\uFCF6"] = "\u0637\u064A";
+ t["\uFCF7"] = "\u0639\u0649";
+ t["\uFCF8"] = "\u0639\u064A";
+ t["\uFCF9"] = "\u063A\u0649";
+ t["\uFCFA"] = "\u063A\u064A";
+ t["\uFCFB"] = "\u0633\u0649";
+ t["\uFCFC"] = "\u0633\u064A";
+ t["\uFCFD"] = "\u0634\u0649";
+ t["\uFCFE"] = "\u0634\u064A";
+ t["\uFCFF"] = "\u062D\u0649";
+ t["\uFD00"] = "\u062D\u064A";
+ t["\uFD01"] = "\u062C\u0649";
+ t["\uFD02"] = "\u062C\u064A";
+ t["\uFD03"] = "\u062E\u0649";
+ t["\uFD04"] = "\u062E\u064A";
+ t["\uFD05"] = "\u0635\u0649";
+ t["\uFD06"] = "\u0635\u064A";
+ t["\uFD07"] = "\u0636\u0649";
+ t["\uFD08"] = "\u0636\u064A";
+ t["\uFD09"] = "\u0634\u062C";
+ t["\uFD0A"] = "\u0634\u062D";
+ t["\uFD0B"] = "\u0634\u062E";
+ t["\uFD0C"] = "\u0634\u0645";
+ t["\uFD0D"] = "\u0634\u0631";
+ t["\uFD0E"] = "\u0633\u0631";
+ t["\uFD0F"] = "\u0635\u0631";
+ t["\uFD10"] = "\u0636\u0631";
+ t["\uFD11"] = "\u0637\u0649";
+ t["\uFD12"] = "\u0637\u064A";
+ t["\uFD13"] = "\u0639\u0649";
+ t["\uFD14"] = "\u0639\u064A";
+ t["\uFD15"] = "\u063A\u0649";
+ t["\uFD16"] = "\u063A\u064A";
+ t["\uFD17"] = "\u0633\u0649";
+ t["\uFD18"] = "\u0633\u064A";
+ t["\uFD19"] = "\u0634\u0649";
+ t["\uFD1A"] = "\u0634\u064A";
+ t["\uFD1B"] = "\u062D\u0649";
+ t["\uFD1C"] = "\u062D\u064A";
+ t["\uFD1D"] = "\u062C\u0649";
+ t["\uFD1E"] = "\u062C\u064A";
+ t["\uFD1F"] = "\u062E\u0649";
+ t["\uFD20"] = "\u062E\u064A";
+ t["\uFD21"] = "\u0635\u0649";
+ t["\uFD22"] = "\u0635\u064A";
+ t["\uFD23"] = "\u0636\u0649";
+ t["\uFD24"] = "\u0636\u064A";
+ t["\uFD25"] = "\u0634\u062C";
+ t["\uFD26"] = "\u0634\u062D";
+ t["\uFD27"] = "\u0634\u062E";
+ t["\uFD28"] = "\u0634\u0645";
+ t["\uFD29"] = "\u0634\u0631";
+ t["\uFD2A"] = "\u0633\u0631";
+ t["\uFD2B"] = "\u0635\u0631";
+ t["\uFD2C"] = "\u0636\u0631";
+ t["\uFD2D"] = "\u0634\u062C";
+ t["\uFD2E"] = "\u0634\u062D";
+ t["\uFD2F"] = "\u0634\u062E";
+ t["\uFD30"] = "\u0634\u0645";
+ t["\uFD31"] = "\u0633\u0647";
+ t["\uFD32"] = "\u0634\u0647";
+ t["\uFD33"] = "\u0637\u0645";
+ t["\uFD34"] = "\u0633\u062C";
+ t["\uFD35"] = "\u0633\u062D";
+ t["\uFD36"] = "\u0633\u062E";
+ t["\uFD37"] = "\u0634\u062C";
+ t["\uFD38"] = "\u0634\u062D";
+ t["\uFD39"] = "\u0634\u062E";
+ t["\uFD3A"] = "\u0637\u0645";
+ t["\uFD3B"] = "\u0638\u0645";
+ t["\uFD3C"] = "\u0627\u064B";
+ t["\uFD3D"] = "\u0627\u064B";
+ t["\uFD50"] = "\u062A\u062C\u0645";
+ t["\uFD51"] = "\u062A\u062D\u062C";
+ t["\uFD52"] = "\u062A\u062D\u062C";
+ t["\uFD53"] = "\u062A\u062D\u0645";
+ t["\uFD54"] = "\u062A\u062E\u0645";
+ t["\uFD55"] = "\u062A\u0645\u062C";
+ t["\uFD56"] = "\u062A\u0645\u062D";
+ t["\uFD57"] = "\u062A\u0645\u062E";
+ t["\uFD58"] = "\u062C\u0645\u062D";
+ t["\uFD59"] = "\u062C\u0645\u062D";
+ t["\uFD5A"] = "\u062D\u0645\u064A";
+ t["\uFD5B"] = "\u062D\u0645\u0649";
+ t["\uFD5C"] = "\u0633\u062D\u062C";
+ t["\uFD5D"] = "\u0633\u062C\u062D";
+ t["\uFD5E"] = "\u0633\u062C\u0649";
+ t["\uFD5F"] = "\u0633\u0645\u062D";
+ t["\uFD60"] = "\u0633\u0645\u062D";
+ t["\uFD61"] = "\u0633\u0645\u062C";
+ t["\uFD62"] = "\u0633\u0645\u0645";
+ t["\uFD63"] = "\u0633\u0645\u0645";
+ t["\uFD64"] = "\u0635\u062D\u062D";
+ t["\uFD65"] = "\u0635\u062D\u062D";
+ t["\uFD66"] = "\u0635\u0645\u0645";
+ t["\uFD67"] = "\u0634\u062D\u0645";
+ t["\uFD68"] = "\u0634\u062D\u0645";
+ t["\uFD69"] = "\u0634\u062C\u064A";
+ t["\uFD6A"] = "\u0634\u0645\u062E";
+ t["\uFD6B"] = "\u0634\u0645\u062E";
+ t["\uFD6C"] = "\u0634\u0645\u0645";
+ t["\uFD6D"] = "\u0634\u0645\u0645";
+ t["\uFD6E"] = "\u0636\u062D\u0649";
+ t["\uFD6F"] = "\u0636\u062E\u0645";
+ t["\uFD70"] = "\u0636\u062E\u0645";
+ t["\uFD71"] = "\u0637\u0645\u062D";
+ t["\uFD72"] = "\u0637\u0645\u062D";
+ t["\uFD73"] = "\u0637\u0645\u0645";
+ t["\uFD74"] = "\u0637\u0645\u064A";
+ t["\uFD75"] = "\u0639\u062C\u0645";
+ t["\uFD76"] = "\u0639\u0645\u0645";
+ t["\uFD77"] = "\u0639\u0645\u0645";
+ t["\uFD78"] = "\u0639\u0645\u0649";
+ t["\uFD79"] = "\u063A\u0645\u0645";
+ t["\uFD7A"] = "\u063A\u0645\u064A";
+ t["\uFD7B"] = "\u063A\u0645\u0649";
+ t["\uFD7C"] = "\u0641\u062E\u0645";
+ t["\uFD7D"] = "\u0641\u062E\u0645";
+ t["\uFD7E"] = "\u0642\u0645\u062D";
+ t["\uFD7F"] = "\u0642\u0645\u0645";
+ t["\uFD80"] = "\u0644\u062D\u0645";
+ t["\uFD81"] = "\u0644\u062D\u064A";
+ t["\uFD82"] = "\u0644\u062D\u0649";
+ t["\uFD83"] = "\u0644\u062C\u062C";
+ t["\uFD84"] = "\u0644\u062C\u062C";
+ t["\uFD85"] = "\u0644\u062E\u0645";
+ t["\uFD86"] = "\u0644\u062E\u0645";
+ t["\uFD87"] = "\u0644\u0645\u062D";
+ t["\uFD88"] = "\u0644\u0645\u062D";
+ t["\uFD89"] = "\u0645\u062D\u062C";
+ t["\uFD8A"] = "\u0645\u062D\u0645";
+ t["\uFD8B"] = "\u0645\u062D\u064A";
+ t["\uFD8C"] = "\u0645\u062C\u062D";
+ t["\uFD8D"] = "\u0645\u062C\u0645";
+ t["\uFD8E"] = "\u0645\u062E\u062C";
+ t["\uFD8F"] = "\u0645\u062E\u0645";
+ t["\uFD92"] = "\u0645\u062C\u062E";
+ t["\uFD93"] = "\u0647\u0645\u062C";
+ t["\uFD94"] = "\u0647\u0645\u0645";
+ t["\uFD95"] = "\u0646\u062D\u0645";
+ t["\uFD96"] = "\u0646\u062D\u0649";
+ t["\uFD97"] = "\u0646\u062C\u0645";
+ t["\uFD98"] = "\u0646\u062C\u0645";
+ t["\uFD99"] = "\u0646\u062C\u0649";
+ t["\uFD9A"] = "\u0646\u0645\u064A";
+ t["\uFD9B"] = "\u0646\u0645\u0649";
+ t["\uFD9C"] = "\u064A\u0645\u0645";
+ t["\uFD9D"] = "\u064A\u0645\u0645";
+ t["\uFD9E"] = "\u0628\u062E\u064A";
+ t["\uFD9F"] = "\u062A\u062C\u064A";
+ t["\uFDA0"] = "\u062A\u062C\u0649";
+ t["\uFDA1"] = "\u062A\u062E\u064A";
+ t["\uFDA2"] = "\u062A\u062E\u0649";
+ t["\uFDA3"] = "\u062A\u0645\u064A";
+ t["\uFDA4"] = "\u062A\u0645\u0649";
+ t["\uFDA5"] = "\u062C\u0645\u064A";
+ t["\uFDA6"] = "\u062C\u062D\u0649";
+ t["\uFDA7"] = "\u062C\u0645\u0649";
+ t["\uFDA8"] = "\u0633\u062E\u0649";
+ t["\uFDA9"] = "\u0635\u062D\u064A";
+ t["\uFDAA"] = "\u0634\u062D\u064A";
+ t["\uFDAB"] = "\u0636\u062D\u064A";
+ t["\uFDAC"] = "\u0644\u062C\u064A";
+ t["\uFDAD"] = "\u0644\u0645\u064A";
+ t["\uFDAE"] = "\u064A\u062D\u064A";
+ t["\uFDAF"] = "\u064A\u062C\u064A";
+ t["\uFDB0"] = "\u064A\u0645\u064A";
+ t["\uFDB1"] = "\u0645\u0645\u064A";
+ t["\uFDB2"] = "\u0642\u0645\u064A";
+ t["\uFDB3"] = "\u0646\u062D\u064A";
+ t["\uFDB4"] = "\u0642\u0645\u062D";
+ t["\uFDB5"] = "\u0644\u062D\u0645";
+ t["\uFDB6"] = "\u0639\u0645\u064A";
+ t["\uFDB7"] = "\u0643\u0645\u064A";
+ t["\uFDB8"] = "\u0646\u062C\u062D";
+ t["\uFDB9"] = "\u0645\u062E\u064A";
+ t["\uFDBA"] = "\u0644\u062C\u0645";
+ t["\uFDBB"] = "\u0643\u0645\u0645";
+ t["\uFDBC"] = "\u0644\u062C\u0645";
+ t["\uFDBD"] = "\u0646\u062C\u062D";
+ t["\uFDBE"] = "\u062C\u062D\u064A";
+ t["\uFDBF"] = "\u062D\u062C\u064A";
+ t["\uFDC0"] = "\u0645\u062C\u064A";
+ t["\uFDC1"] = "\u0641\u0645\u064A";
+ t["\uFDC2"] = "\u0628\u062D\u064A";
+ t["\uFDC3"] = "\u0643\u0645\u0645";
+ t["\uFDC4"] = "\u0639\u062C\u0645";
+ t["\uFDC5"] = "\u0635\u0645\u0645";
+ t["\uFDC6"] = "\u0633\u062E\u064A";
+ t["\uFDC7"] = "\u0646\u062C\u064A";
+ t["\uFE49"] = "\u203E";
+ t["\uFE4A"] = "\u203E";
+ t["\uFE4B"] = "\u203E";
+ t["\uFE4C"] = "\u203E";
+ t["\uFE4D"] = "\u005F";
+ t["\uFE4E"] = "\u005F";
+ t["\uFE4F"] = "\u005F";
+ t["\uFE80"] = "\u0621";
+ t["\uFE81"] = "\u0622";
+ t["\uFE82"] = "\u0622";
+ t["\uFE83"] = "\u0623";
+ t["\uFE84"] = "\u0623";
+ t["\uFE85"] = "\u0624";
+ t["\uFE86"] = "\u0624";
+ t["\uFE87"] = "\u0625";
+ t["\uFE88"] = "\u0625";
+ t["\uFE89"] = "\u0626";
+ t["\uFE8A"] = "\u0626";
+ t["\uFE8B"] = "\u0626";
+ t["\uFE8C"] = "\u0626";
+ t["\uFE8D"] = "\u0627";
+ t["\uFE8E"] = "\u0627";
+ t["\uFE8F"] = "\u0628";
+ t["\uFE90"] = "\u0628";
+ t["\uFE91"] = "\u0628";
+ t["\uFE92"] = "\u0628";
+ t["\uFE93"] = "\u0629";
+ t["\uFE94"] = "\u0629";
+ t["\uFE95"] = "\u062A";
+ t["\uFE96"] = "\u062A";
+ t["\uFE97"] = "\u062A";
+ t["\uFE98"] = "\u062A";
+ t["\uFE99"] = "\u062B";
+ t["\uFE9A"] = "\u062B";
+ t["\uFE9B"] = "\u062B";
+ t["\uFE9C"] = "\u062B";
+ t["\uFE9D"] = "\u062C";
+ t["\uFE9E"] = "\u062C";
+ t["\uFE9F"] = "\u062C";
+ t["\uFEA0"] = "\u062C";
+ t["\uFEA1"] = "\u062D";
+ t["\uFEA2"] = "\u062D";
+ t["\uFEA3"] = "\u062D";
+ t["\uFEA4"] = "\u062D";
+ t["\uFEA5"] = "\u062E";
+ t["\uFEA6"] = "\u062E";
+ t["\uFEA7"] = "\u062E";
+ t["\uFEA8"] = "\u062E";
+ t["\uFEA9"] = "\u062F";
+ t["\uFEAA"] = "\u062F";
+ t["\uFEAB"] = "\u0630";
+ t["\uFEAC"] = "\u0630";
+ t["\uFEAD"] = "\u0631";
+ t["\uFEAE"] = "\u0631";
+ t["\uFEAF"] = "\u0632";
+ t["\uFEB0"] = "\u0632";
+ t["\uFEB1"] = "\u0633";
+ t["\uFEB2"] = "\u0633";
+ t["\uFEB3"] = "\u0633";
+ t["\uFEB4"] = "\u0633";
+ t["\uFEB5"] = "\u0634";
+ t["\uFEB6"] = "\u0634";
+ t["\uFEB7"] = "\u0634";
+ t["\uFEB8"] = "\u0634";
+ t["\uFEB9"] = "\u0635";
+ t["\uFEBA"] = "\u0635";
+ t["\uFEBB"] = "\u0635";
+ t["\uFEBC"] = "\u0635";
+ t["\uFEBD"] = "\u0636";
+ t["\uFEBE"] = "\u0636";
+ t["\uFEBF"] = "\u0636";
+ t["\uFEC0"] = "\u0636";
+ t["\uFEC1"] = "\u0637";
+ t["\uFEC2"] = "\u0637";
+ t["\uFEC3"] = "\u0637";
+ t["\uFEC4"] = "\u0637";
+ t["\uFEC5"] = "\u0638";
+ t["\uFEC6"] = "\u0638";
+ t["\uFEC7"] = "\u0638";
+ t["\uFEC8"] = "\u0638";
+ t["\uFEC9"] = "\u0639";
+ t["\uFECA"] = "\u0639";
+ t["\uFECB"] = "\u0639";
+ t["\uFECC"] = "\u0639";
+ t["\uFECD"] = "\u063A";
+ t["\uFECE"] = "\u063A";
+ t["\uFECF"] = "\u063A";
+ t["\uFED0"] = "\u063A";
+ t["\uFED1"] = "\u0641";
+ t["\uFED2"] = "\u0641";
+ t["\uFED3"] = "\u0641";
+ t["\uFED4"] = "\u0641";
+ t["\uFED5"] = "\u0642";
+ t["\uFED6"] = "\u0642";
+ t["\uFED7"] = "\u0642";
+ t["\uFED8"] = "\u0642";
+ t["\uFED9"] = "\u0643";
+ t["\uFEDA"] = "\u0643";
+ t["\uFEDB"] = "\u0643";
+ t["\uFEDC"] = "\u0643";
+ t["\uFEDD"] = "\u0644";
+ t["\uFEDE"] = "\u0644";
+ t["\uFEDF"] = "\u0644";
+ t["\uFEE0"] = "\u0644";
+ t["\uFEE1"] = "\u0645";
+ t["\uFEE2"] = "\u0645";
+ t["\uFEE3"] = "\u0645";
+ t["\uFEE4"] = "\u0645";
+ t["\uFEE5"] = "\u0646";
+ t["\uFEE6"] = "\u0646";
+ t["\uFEE7"] = "\u0646";
+ t["\uFEE8"] = "\u0646";
+ t["\uFEE9"] = "\u0647";
+ t["\uFEEA"] = "\u0647";
+ t["\uFEEB"] = "\u0647";
+ t["\uFEEC"] = "\u0647";
+ t["\uFEED"] = "\u0648";
+ t["\uFEEE"] = "\u0648";
+ t["\uFEEF"] = "\u0649";
+ t["\uFEF0"] = "\u0649";
+ t["\uFEF1"] = "\u064A";
+ t["\uFEF2"] = "\u064A";
+ t["\uFEF3"] = "\u064A";
+ t["\uFEF4"] = "\u064A";
+ t["\uFEF5"] = "\u0644\u0622";
+ t["\uFEF6"] = "\u0644\u0622";
+ t["\uFEF7"] = "\u0644\u0623";
+ t["\uFEF8"] = "\u0644\u0623";
+ t["\uFEF9"] = "\u0644\u0625";
+ t["\uFEFA"] = "\u0644\u0625";
+ t["\uFEFB"] = "\u0644\u0627";
+ t["\uFEFC"] = "\u0644\u0627";
+});
+function reverseIfRtl(chars) {
+ var charsLength = chars.length;
+ if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {
+  return chars;
+ }
+ var s = "";
+ for (var ii = charsLength - 1; ii >= 0; ii--) {
+  s += chars[ii];
+ }
+ return s;
+}
+exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;
+exports.reverseIfRtl = reverseIfRtl;
+exports.getUnicodeRangeFor = getUnicodeRangeFor;
+exports.getNormalizedUnicodes = getNormalizedUnicodes;
+exports.getUnicodeForGlyph = getUnicodeForGlyph;
+
+/***/ }),
+/* 234 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontRendererFactory = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _cff_parser = __w_pdfjs_require__(228);
+
+var _glyphlist = __w_pdfjs_require__(231);
+
+var _encodings = __w_pdfjs_require__(230);
+
+var _stream = __w_pdfjs_require__(209);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var FontRendererFactory = function FontRendererFactoryClosure() {
+  function getLong(data, offset) {
+    return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+  }
+
+  function getUshort(data, offset) {
+    return data[offset] << 8 | data[offset + 1];
+  }
+
+  function getSubroutineBias(subrs) {
+    var numSubrs = subrs.length;
+    var bias = 32768;
+
+    if (numSubrs < 1240) {
+      bias = 107;
+    } else if (numSubrs < 33900) {
+      bias = 1131;
+    }
+
+    return bias;
+  }
+
+  function parseCmap(data, start, end) {
+    var offset = getUshort(data, start + 2) === 1 ? getLong(data, start + 8) : getLong(data, start + 16);
+    var format = getUshort(data, start + offset);
+    var ranges, p, i;
+
+    if (format === 4) {
+      getUshort(data, start + offset + 2);
+      var segCount = getUshort(data, start + offset + 6) >> 1;
+      p = start + offset + 14;
+      ranges = [];
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i] = {
+          end: getUshort(data, p)
+        };
+      }
+
+      p += 2;
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].start = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].idDelta = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        var idOffset = getUshort(data, p);
+
+        if (idOffset === 0) {
+          continue;
+        }
+
+        ranges[i].ids = [];
+
+        for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) {
+          ranges[i].ids[j] = getUshort(data, p + idOffset);
+          idOffset += 2;
+        }
+      }
+
+      return ranges;
+    } else if (format === 12) {
+      getLong(data, start + offset + 4);
+      var groups = getLong(data, start + offset + 12);
+      p = start + offset + 16;
+      ranges = [];
+
+      for (i = 0; i < groups; i++) {
+        ranges.push({
+          start: getLong(data, p),
+          end: getLong(data, p + 4),
+          idDelta: getLong(data, p + 8) - getLong(data, p)
+        });
+        p += 12;
+      }
+
+      return ranges;
+    }
+
+    throw new _util.FormatError("unsupported cmap: ".concat(format));
+  }
+
+  function parseCff(data, start, end, seacAnalysisEnabled) {
+    var properties = {};
+    var parser = new _cff_parser.CFFParser(new _stream.Stream(data, start, end - start), properties, seacAnalysisEnabled);
+    var cff = parser.parse();
+    return {
+      glyphs: cff.charStrings.objects,
+      subrs: cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && cff.topDict.privateDict.subrsIndex.objects,
+      gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects,
+      isCFFCIDFont: cff.isCIDFont,
+      fdSelect: cff.fdSelect,
+      fdArray: cff.fdArray
+    };
+  }
+
+  function parseGlyfTable(glyf, loca, isGlyphLocationsLong) {
+    var itemSize, itemDecode;
+
+    if (isGlyphLocationsLong) {
+      itemSize = 4;
+
+      itemDecode = function fontItemDecodeLong(data, offset) {
+        return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+      };
+    } else {
+      itemSize = 2;
+
+      itemDecode = function fontItemDecode(data, offset) {
+        return data[offset] << 9 | data[offset + 1] << 1;
+      };
+    }
+
+    var glyphs = [];
+    var startOffset = itemDecode(loca, 0);
+
+    for (var j = itemSize; j < loca.length; j += itemSize) {
+      var endOffset = itemDecode(loca, j);
+      glyphs.push(glyf.subarray(startOffset, endOffset));
+      startOffset = endOffset;
+    }
+
+    return glyphs;
+  }
+
+  function lookupCmap(ranges, unicode) {
+    var code = unicode.codePointAt(0),
+        gid = 0;
+    var l = 0,
+        r = ranges.length - 1;
+
+    while (l < r) {
+      var c = l + r + 1 >> 1;
+
+      if (code < ranges[c].start) {
+        r = c - 1;
+      } else {
+        l = c;
+      }
+    }
+
+    if (ranges[l].start <= code && code <= ranges[l].end) {
+      gid = ranges[l].idDelta + (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code) & 0xffff;
+    }
+
+    return {
+      charCode: code,
+      glyphId: gid
+    };
+  }
+
+  function compileGlyf(code, cmds, font) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function quadraticCurveTo(xa, ya, x, y) {
+      cmds.push({
+        cmd: "quadraticCurveTo",
+        args: [xa, ya, x, y]
+      });
+    }
+
+    var i = 0;
+    var numberOfContours = (code[i] << 24 | code[i + 1] << 16) >> 16;
+    var flags;
+    var x = 0,
+        y = 0;
+    i += 10;
+
+    if (numberOfContours < 0) {
+      do {
+        flags = code[i] << 8 | code[i + 1];
+        var glyphIndex = code[i + 2] << 8 | code[i + 3];
+        i += 4;
+        var arg1, arg2;
+
+        if (flags & 0x01) {
+          arg1 = (code[i] << 24 | code[i + 1] << 16) >> 16;
+          arg2 = (code[i + 2] << 24 | code[i + 3] << 16) >> 16;
+          i += 4;
+        } else {
+          arg1 = code[i++];
+          arg2 = code[i++];
+        }
+
+        if (flags & 0x02) {
+          x = arg1;
+          y = arg2;
+        } else {
+          x = 0;
+          y = 0;
+        }
+
+        var scaleX = 1,
+            scaleY = 1,
+            scale01 = 0,
+            scale10 = 0;
+
+        if (flags & 0x08) {
+          scaleX = scaleY = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          i += 2;
+        } else if (flags & 0x40) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scaleY = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          i += 4;
+        } else if (flags & 0x80) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scale01 = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          scale10 = (code[i + 4] << 24 | code[i + 5] << 16) / 1073741824;
+          scaleY = (code[i + 6] << 24 | code[i + 7] << 16) / 1073741824;
+          i += 8;
+        }
+
+        var subglyph = font.glyphs[glyphIndex];
+
+        if (subglyph) {
+          cmds.push({
+            cmd: "save"
+          });
+          cmds.push({
+            cmd: "transform",
+            args: [scaleX, scale01, scale10, scaleY, x, y]
+          });
+          compileGlyf(subglyph, cmds, font);
+          cmds.push({
+            cmd: "restore"
+          });
+        }
+      } while (flags & 0x20);
+    } else {
+      var endPtsOfContours = [];
+      var j, jj;
+
+      for (j = 0; j < numberOfContours; j++) {
+        endPtsOfContours.push(code[i] << 8 | code[i + 1]);
+        i += 2;
+      }
+
+      var instructionLength = code[i] << 8 | code[i + 1];
+      i += 2 + instructionLength;
+      var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1;
+      var points = [];
+
+      while (points.length < numberOfPoints) {
+        flags = code[i++];
+        var repeat = 1;
+
+        if (flags & 0x08) {
+          repeat += code[i++];
+        }
+
+        while (repeat-- > 0) {
+          points.push({
+            flags: flags
+          });
+        }
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x12) {
+          case 0x00:
+            x += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x02:
+            x -= code[i++];
+            break;
+
+          case 0x12:
+            x += code[i++];
+            break;
+        }
+
+        points[j].x = x;
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x24) {
+          case 0x00:
+            y += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x04:
+            y -= code[i++];
+            break;
+
+          case 0x24:
+            y += code[i++];
+            break;
+        }
+
+        points[j].y = y;
+      }
+
+      var startPoint = 0;
+
+      for (i = 0; i < numberOfContours; i++) {
+        var endPoint = endPtsOfContours[i];
+        var contour = points.slice(startPoint, endPoint + 1);
+
+        if (contour[0].flags & 1) {
+          contour.push(contour[0]);
+        } else if (contour[contour.length - 1].flags & 1) {
+          contour.unshift(contour[contour.length - 1]);
+        } else {
+          var p = {
+            flags: 1,
+            x: (contour[0].x + contour[contour.length - 1].x) / 2,
+            y: (contour[0].y + contour[contour.length - 1].y) / 2
+          };
+          contour.unshift(p);
+          contour.push(p);
+        }
+
+        moveTo(contour[0].x, contour[0].y);
+
+        for (j = 1, jj = contour.length; j < jj; j++) {
+          if (contour[j].flags & 1) {
+            lineTo(contour[j].x, contour[j].y);
+          } else if (contour[j + 1].flags & 1) {
+            quadraticCurveTo(contour[j].x, contour[j].y, contour[j + 1].x, contour[j + 1].y);
+            j++;
+          } else {
+            quadraticCurveTo(contour[j].x, contour[j].y, (contour[j].x + contour[j + 1].x) / 2, (contour[j].y + contour[j + 1].y) / 2);
+          }
+        }
+
+        startPoint = endPoint + 1;
+      }
+    }
+  }
+
+  function compileCharString(charStringCode, cmds, font, glyphId) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function bezierCurveTo(x1, y1, x2, y2, x, y) {
+      cmds.push({
+        cmd: "bezierCurveTo",
+        args: [x1, y1, x2, y2, x, y]
+      });
+    }
+
+    var stack = [];
+    var x = 0,
+        y = 0;
+    var stems = 0;
+
+    function parse(code) {
+      var i = 0;
+
+      while (i < code.length) {
+        var stackClean = false;
+        var v = code[i++];
+        var xa, xb, ya, yb, y1, y2, y3, n, subrCode;
+
+        switch (v) {
+          case 1:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 3:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 4:
+            y += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 5:
+            while (stack.length > 0) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 6:
+            while (stack.length > 0) {
+              x += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 7:
+            while (stack.length > 0) {
+              y += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              x += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 8:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 10:
+            n = stack.pop();
+            subrCode = null;
+
+            if (font.isCFFCIDFont) {
+              var fdIndex = font.fdSelect.getFDIndex(glyphId);
+
+              if (fdIndex >= 0 && fdIndex < font.fdArray.length) {
+                var fontDict = font.fdArray[fdIndex];
+                var subrs = void 0;
+
+                if (fontDict.privateDict && fontDict.privateDict.subrsIndex) {
+                  subrs = fontDict.privateDict.subrsIndex.objects;
+                }
+
+                if (subrs) {
+                  n += getSubroutineBias(subrs);
+                  subrCode = subrs[n];
+                }
+              } else {
+                (0, _util.warn)("Invalid fd index for glyph index.");
+              }
+            } else {
+              subrCode = font.subrs[n + font.subrsBias];
+            }
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 11:
+            return;
+
+          case 12:
+            v = code[i++];
+
+            switch (v) {
+              case 34:
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y1 = y + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y, xb, y1, x, y1);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y, x, y);
+                break;
+
+              case 35:
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                stack.pop();
+                break;
+
+              case 36:
+                xa = x + stack.shift();
+                y1 = y + stack.shift();
+                xb = xa + stack.shift();
+                y2 = y1 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y2, x, y2);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y3 = y2 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y2, xb, y3, x, y);
+                break;
+
+              case 37:
+                var x0 = x,
+                    y0 = y;
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb;
+                y = yb;
+
+                if (Math.abs(x - x0) > Math.abs(y - y0)) {
+                  x += stack.shift();
+                } else {
+                  y += stack.shift();
+                }
+
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                break;
+
+              default:
+                throw new _util.FormatError("unknown operator: 12 ".concat(v));
+            }
+
+            break;
+
+          case 14:
+            if (stack.length >= 4) {
+              var achar = stack.pop();
+              var bchar = stack.pop();
+              y = stack.pop();
+              x = stack.pop();
+              cmds.push({
+                cmd: "save"
+              });
+              cmds.push({
+                cmd: "translate",
+                args: [x, y]
+              });
+              var cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[achar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+              cmds.push({
+                cmd: "restore"
+              });
+              cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[bchar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+            }
+
+            return;
+
+          case 18:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 19:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 20:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 21:
+            y += stack.pop();
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 22:
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 23:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 24:
+            while (stack.length > 2) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            x += stack.shift();
+            y += stack.shift();
+            lineTo(x, y);
+            break;
+
+          case 25:
+            while (stack.length > 6) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            xa = x + stack.shift();
+            ya = y + stack.shift();
+            xb = xa + stack.shift();
+            yb = ya + stack.shift();
+            x = xb + stack.shift();
+            y = yb + stack.shift();
+            bezierCurveTo(xa, ya, xb, yb, x, y);
+            break;
+
+          case 26:
+            if (stack.length % 2) {
+              x += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb;
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 27:
+            if (stack.length % 2) {
+              y += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb;
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 28:
+            stack.push((code[i] << 24 | code[i + 1] << 16) >> 16);
+            i += 2;
+            break;
+
+          case 29:
+            n = stack.pop() + font.gsubrsBias;
+            subrCode = font.gsubrs[n];
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 30:
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 31:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          default:
+            if (v < 32) {
+              throw new _util.FormatError("unknown operator: ".concat(v));
+            }
+
+            if (v < 247) {
+              stack.push(v - 139);
+            } else if (v < 251) {
+              stack.push((v - 247) * 256 + code[i++] + 108);
+            } else if (v < 255) {
+              stack.push(-(v - 251) * 256 - code[i++] - 108);
+            } else {
+              stack.push((code[i] << 24 | code[i + 1] << 16 | code[i + 2] << 8 | code[i + 3]) / 65536);
+              i += 4;
+            }
+
+            break;
+        }
+
+        if (stackClean) {
+          stack.length = 0;
+        }
+      }
+    }
+
+    parse(charStringCode);
+  }
+
+  var NOOP = [];
+
+  var CompiledFont = /*#__PURE__*/function () {
+    function CompiledFont(fontMatrix) {
+      _classCallCheck(this, CompiledFont);
+
+      if (this.constructor === CompiledFont) {
+        (0, _util.unreachable)("Cannot initialize CompiledFont.");
+      }
+
+      this.fontMatrix = fontMatrix;
+      this.compiledGlyphs = Object.create(null);
+      this.compiledCharCodeToGlyphId = Object.create(null);
+    }
+
+    _createClass(CompiledFont, [{
+      key: "getPathJs",
+      value: function getPathJs(unicode) {
+        var cmap = lookupCmap(this.cmap, unicode);
+        var fn = this.compiledGlyphs[cmap.glyphId];
+
+        if (!fn) {
+          fn = this.compileGlyph(this.glyphs[cmap.glyphId], cmap.glyphId);
+          this.compiledGlyphs[cmap.glyphId] = fn;
+        }
+
+        if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) {
+          this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId;
+        }
+
+        return fn;
+      }
+    }, {
+      key: "compileGlyph",
+      value: function compileGlyph(code, glyphId) {
+        if (!code || code.length === 0 || code[0] === 14) {
+          return NOOP;
+        }
+
+        var fontMatrix = this.fontMatrix;
+
+        if (this.isCFFCIDFont) {
+          var fdIndex = this.fdSelect.getFDIndex(glyphId);
+
+          if (fdIndex >= 0 && fdIndex < this.fdArray.length) {
+            var fontDict = this.fdArray[fdIndex];
+            fontMatrix = fontDict.getByName("FontMatrix") || _util.FONT_IDENTITY_MATRIX;
+          } else {
+            (0, _util.warn)("Invalid fd index for glyph index.");
+          }
+        }
+
+        var cmds = [];
+        cmds.push({
+          cmd: "save"
+        });
+        cmds.push({
+          cmd: "transform",
+          args: fontMatrix.slice()
+        });
+        cmds.push({
+          cmd: "scale",
+          args: ["size", "-size"]
+        });
+        this.compileGlyphImpl(code, cmds, glyphId);
+        cmds.push({
+          cmd: "restore"
+        });
+        return cmds;
+      }
+    }, {
+      key: "compileGlyphImpl",
+      value: function compileGlyphImpl() {
+        (0, _util.unreachable)("Children classes should implement this.");
+      }
+    }, {
+      key: "hasBuiltPath",
+      value: function hasBuiltPath(unicode) {
+        var cmap = lookupCmap(this.cmap, unicode);
+        return this.compiledGlyphs[cmap.glyphId] !== undefined && this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined;
+      }
+    }]);
+
+    return CompiledFont;
+  }();
+
+  var TrueTypeCompiled = /*#__PURE__*/function (_CompiledFont) {
+    _inherits(TrueTypeCompiled, _CompiledFont);
+
+    var _super = _createSuper(TrueTypeCompiled);
+
+    function TrueTypeCompiled(glyphs, cmap, fontMatrix) {
+      var _this;
+
+      _classCallCheck(this, TrueTypeCompiled);
+
+      _this = _super.call(this, fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]);
+      _this.glyphs = glyphs;
+      _this.cmap = cmap;
+      return _this;
+    }
+
+    _createClass(TrueTypeCompiled, [{
+      key: "compileGlyphImpl",
+      value: function compileGlyphImpl(code, cmds) {
+        compileGlyf(code, cmds, this);
+      }
+    }]);
+
+    return TrueTypeCompiled;
+  }(CompiledFont);
+
+  var Type2Compiled = /*#__PURE__*/function (_CompiledFont2) {
+    _inherits(Type2Compiled, _CompiledFont2);
+
+    var _super2 = _createSuper(Type2Compiled);
+
+    function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) {
+      var _this2;
+
+      _classCallCheck(this, Type2Compiled);
+
+      _this2 = _super2.call(this, fontMatrix || [0.001, 0, 0, 0.001, 0, 0]);
+      _this2.glyphs = cffInfo.glyphs;
+      _this2.gsubrs = cffInfo.gsubrs || [];
+      _this2.subrs = cffInfo.subrs || [];
+      _this2.cmap = cmap;
+      _this2.glyphNameMap = glyphNameMap || (0, _glyphlist.getGlyphsUnicode)();
+      _this2.gsubrsBias = getSubroutineBias(_this2.gsubrs);
+      _this2.subrsBias = getSubroutineBias(_this2.subrs);
+      _this2.isCFFCIDFont = cffInfo.isCFFCIDFont;
+      _this2.fdSelect = cffInfo.fdSelect;
+      _this2.fdArray = cffInfo.fdArray;
+      return _this2;
+    }
+
+    _createClass(Type2Compiled, [{
+      key: "compileGlyphImpl",
+      value: function compileGlyphImpl(code, cmds, glyphId) {
+        compileCharString(code, cmds, this, glyphId);
+      }
+    }]);
+
+    return Type2Compiled;
+  }(CompiledFont);
+
+  return {
+    create: function FontRendererFactory_create(font, seacAnalysisEnabled) {
+      var data = new Uint8Array(font.data);
+      var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm;
+      var numTables = getUshort(data, 4);
+
+      for (var i = 0, p = 12; i < numTables; i++, p += 16) {
+        var tag = (0, _util.bytesToString)(data.subarray(p, p + 4));
+        var offset = getLong(data, p + 8);
+        var length = getLong(data, p + 12);
+
+        switch (tag) {
+          case "cmap":
+            cmap = parseCmap(data, offset, offset + length);
+            break;
+
+          case "glyf":
+            glyf = data.subarray(offset, offset + length);
+            break;
+
+          case "loca":
+            loca = data.subarray(offset, offset + length);
+            break;
+
+          case "head":
+            unitsPerEm = getUshort(data, offset + 18);
+            indexToLocFormat = getUshort(data, offset + 50);
+            break;
+
+          case "CFF ":
+            cff = parseCff(data, offset, offset + length, seacAnalysisEnabled);
+            break;
+        }
+      }
+
+      if (glyf) {
+        var fontMatrix = !unitsPerEm ? font.fontMatrix : [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0];
+        return new TrueTypeCompiled(parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix);
+      }
+
+      return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap);
+    }
+  };
+}();
+
+exports.FontRendererFactory = FontRendererFactory;
+
+/***/ }),
+/* 235 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Type1Parser = void 0;
+
+var _encodings = __w_pdfjs_require__(230);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _util = __w_pdfjs_require__(5);
+
+var HINTING_ENABLED = false;
+
+var Type1CharString = function Type1CharStringClosure() {
+  var COMMAND_MAP = {
+    hstem: [1],
+    vstem: [3],
+    vmoveto: [4],
+    rlineto: [5],
+    hlineto: [6],
+    vlineto: [7],
+    rrcurveto: [8],
+    callsubr: [10],
+    flex: [12, 35],
+    drop: [12, 18],
+    endchar: [14],
+    rmoveto: [21],
+    hmoveto: [22],
+    vhcurveto: [30],
+    hvcurveto: [31]
+  };
+
+  function Type1CharString() {
+    this.width = 0;
+    this.lsb = 0;
+    this.flexing = false;
+    this.output = [];
+    this.stack = [];
+  }
+
+  Type1CharString.prototype = {
+    convert: function Type1CharString_convert(encoded, subrs, seacAnalysisEnabled) {
+      var count = encoded.length;
+      var error = false;
+      var wx, sbx, subrNumber;
+
+      for (var i = 0; i < count; i++) {
+        var value = encoded[i];
+
+        if (value < 32) {
+          if (value === 12) {
+            value = (value << 8) + encoded[++i];
+          }
+
+          switch (value) {
+            case 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case 3:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case 4:
+              if (this.flexing) {
+                if (this.stack.length < 1) {
+                  error = true;
+                  break;
+                }
+
+                var dy = this.stack.pop();
+                this.stack.push(0, dy);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.vmoveto);
+              break;
+
+            case 5:
+              error = this.executeCommand(2, COMMAND_MAP.rlineto);
+              break;
+
+            case 6:
+              error = this.executeCommand(1, COMMAND_MAP.hlineto);
+              break;
+
+            case 7:
+              error = this.executeCommand(1, COMMAND_MAP.vlineto);
+              break;
+
+            case 8:
+              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);
+              break;
+
+            case 9:
+              this.stack = [];
+              break;
+
+            case 10:
+              if (this.stack.length < 1) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+
+              if (!subrs[subrNumber]) {
+                error = true;
+                break;
+              }
+
+              error = this.convert(subrs[subrNumber], subrs, seacAnalysisEnabled);
+              break;
+
+            case 11:
+              return error;
+
+            case 13:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              wx = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx);
+              error = this.executeCommand(2, COMMAND_MAP.hmoveto);
+              break;
+
+            case 14:
+              this.output.push(COMMAND_MAP.endchar[0]);
+              break;
+
+            case 21:
+              if (this.flexing) {
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.rmoveto);
+              break;
+
+            case 22:
+              if (this.flexing) {
+                this.stack.push(0);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.hmoveto);
+              break;
+
+            case 30:
+              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);
+              break;
+
+            case 31:
+              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);
+              break;
+
+            case (12 << 8) + 0:
+              this.stack = [];
+              break;
+
+            case (12 << 8) + 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case (12 << 8) + 2:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case (12 << 8) + 6:
+              if (seacAnalysisEnabled) {
+                var asb = this.stack[this.stack.length - 5];
+                this.seac = this.stack.splice(-4, 4);
+                this.seac[0] += this.lsb - asb;
+                error = this.executeCommand(0, COMMAND_MAP.endchar);
+              } else {
+                error = this.executeCommand(4, COMMAND_MAP.endchar);
+              }
+
+              break;
+
+            case (12 << 8) + 7:
+              if (this.stack.length < 4) {
+                error = true;
+                break;
+              }
+
+              this.stack.pop();
+              wx = this.stack.pop();
+              var sby = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx, sby);
+              error = this.executeCommand(3, COMMAND_MAP.rmoveto);
+              break;
+
+            case (12 << 8) + 12:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              var num2 = this.stack.pop();
+              var num1 = this.stack.pop();
+              this.stack.push(num1 / num2);
+              break;
+
+            case (12 << 8) + 16:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+              var numArgs = this.stack.pop();
+
+              if (subrNumber === 0 && numArgs === 3) {
+                var flexArgs = this.stack.splice(this.stack.length - 17, 17);
+                this.stack.push(flexArgs[2] + flexArgs[0], flexArgs[3] + flexArgs[1], flexArgs[4], flexArgs[5], flexArgs[6], flexArgs[7], flexArgs[8], flexArgs[9], flexArgs[10], flexArgs[11], flexArgs[12], flexArgs[13], flexArgs[14]);
+                error = this.executeCommand(13, COMMAND_MAP.flex, true);
+                this.flexing = false;
+                this.stack.push(flexArgs[15], flexArgs[16]);
+              } else if (subrNumber === 1 && numArgs === 0) {
+                this.flexing = true;
+              }
+
+              break;
+
+            case (12 << 8) + 17:
+              break;
+
+            case (12 << 8) + 33:
+              this.stack = [];
+              break;
+
+            default:
+              (0, _util.warn)('Unknown type 1 charstring command of "' + value + '"');
+              break;
+          }
+
+          if (error) {
+            break;
+          }
+
+          continue;
+        } else if (value <= 246) {
+          value = value - 139;
+        } else if (value <= 250) {
+          value = (value - 247) * 256 + encoded[++i] + 108;
+        } else if (value <= 254) {
+          value = -((value - 251) * 256) - encoded[++i] - 108;
+        } else {
+          value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0;
+        }
+
+        this.stack.push(value);
+      }
+
+      return error;
+    },
+    executeCommand: function executeCommand(howManyArgs, command, keepStack) {
+      var stackLength = this.stack.length;
+
+      if (howManyArgs > stackLength) {
+        return true;
+      }
+
+      var start = stackLength - howManyArgs;
+
+      for (var i = start; i < stackLength; i++) {
+        var value = this.stack[i];
+
+        if (Number.isInteger(value)) {
+          this.output.push(28, value >> 8 & 0xff, value & 0xff);
+        } else {
+          value = 65536 * value | 0;
+          this.output.push(255, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+        }
+      }
+
+      this.output.push.apply(this.output, command);
+
+      if (keepStack) {
+        this.stack.splice(start, howManyArgs);
+      } else {
+        this.stack.length = 0;
+      }
+
+      return false;
+    }
+  };
+  return Type1CharString;
+}();
+
+var Type1Parser = function Type1ParserClosure() {
+  var EEXEC_ENCRYPT_KEY = 55665;
+  var CHAR_STRS_ENCRYPT_KEY = 4330;
+
+  function isHexDigit(code) {
+    return code >= 48 && code <= 57 || code >= 65 && code <= 70 || code >= 97 && code <= 102;
+  }
+
+  function decrypt(data, key, discardNumber) {
+    if (discardNumber >= data.length) {
+      return new Uint8Array(0);
+    }
+
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719,
+        i,
+        j;
+
+    for (i = 0; i < discardNumber; i++) {
+      r = (data[i] + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    var count = data.length - discardNumber;
+    var decrypted = new Uint8Array(count);
+
+    for (i = discardNumber, j = 0; j < count; i++, j++) {
+      var value = data[i];
+      decrypted[j] = value ^ r >> 8;
+      r = (value + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    return decrypted;
+  }
+
+  function decryptAscii(data, key, discardNumber) {
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719;
+    var count = data.length,
+        maybeLength = count >>> 1;
+    var decrypted = new Uint8Array(maybeLength);
+    var i, j;
+
+    for (i = 0, j = 0; i < count; i++) {
+      var digit1 = data[i];
+
+      if (!isHexDigit(digit1)) {
+        continue;
+      }
+
+      i++;
+      var digit2;
+
+      while (i < count && !isHexDigit(digit2 = data[i])) {
+        i++;
+      }
+
+      if (i < count) {
+        var value = parseInt(String.fromCharCode(digit1, digit2), 16);
+        decrypted[j++] = value ^ r >> 8;
+        r = (value + r) * c1 + c2 & (1 << 16) - 1;
+      }
+    }
+
+    return decrypted.slice(discardNumber, j);
+  }
+
+  function isSpecial(c) {
+    return c === 0x2f || c === 0x5b || c === 0x5d || c === 0x7b || c === 0x7d || c === 0x28 || c === 0x29;
+  }
+
+  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {
+    if (encrypted) {
+      var data = stream.getBytes();
+      var isBinary = !((isHexDigit(data[0]) || (0, _core_utils.isWhiteSpace)(data[0])) && isHexDigit(data[1]) && isHexDigit(data[2]) && isHexDigit(data[3]) && isHexDigit(data[4]) && isHexDigit(data[5]) && isHexDigit(data[6]) && isHexDigit(data[7]));
+      stream = new _stream.Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4));
+    }
+
+    this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    this.stream = stream;
+    this.nextChar();
+  }
+
+  Type1Parser.prototype = {
+    readNumberArray: function Type1Parser_readNumberArray() {
+      this.getToken();
+      var array = [];
+
+      while (true) {
+        var token = this.getToken();
+
+        if (token === null || token === "]" || token === "}") {
+          break;
+        }
+
+        array.push(parseFloat(token || 0));
+      }
+
+      return array;
+    },
+    readNumber: function Type1Parser_readNumber() {
+      var token = this.getToken();
+      return parseFloat(token || 0);
+    },
+    readInt: function Type1Parser_readInt() {
+      var token = this.getToken();
+      return parseInt(token || 0, 10) | 0;
+    },
+    readBoolean: function Type1Parser_readBoolean() {
+      var token = this.getToken();
+      return token === "true" ? 1 : 0;
+    },
+    nextChar: function Type1_nextChar() {
+      return this.currentChar = this.stream.getByte();
+    },
+    getToken: function Type1Parser_getToken() {
+      var comment = false;
+      var ch = this.currentChar;
+
+      while (true) {
+        if (ch === -1) {
+          return null;
+        }
+
+        if (comment) {
+          if (ch === 0x0a || ch === 0x0d) {
+            comment = false;
+          }
+        } else if (ch === 0x25) {
+          comment = true;
+        } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+
+      if (isSpecial(ch)) {
+        this.nextChar();
+        return String.fromCharCode(ch);
+      }
+
+      var token = "";
+
+      do {
+        token += String.fromCharCode(ch);
+        ch = this.nextChar();
+      } while (ch >= 0 && !(0, _core_utils.isWhiteSpace)(ch) && !isSpecial(ch));
+
+      return token;
+    },
+    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {
+      if (lenIV === -1) {
+        return bytes;
+      }
+
+      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);
+    },
+    extractFontProgram: function Type1Parser_extractFontProgram(properties) {
+      var stream = this.stream;
+      var subrs = [],
+          charstrings = [];
+      var privateData = Object.create(null);
+      privateData.lenIV = 4;
+      var program = {
+        subrs: [],
+        charstrings: [],
+        properties: {
+          privateData: privateData
+        }
+      };
+      var token, length, data, lenIV, encoded;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "CharStrings":
+            this.getToken();
+            this.getToken();
+            this.getToken();
+            this.getToken();
+
+            while (true) {
+              token = this.getToken();
+
+              if (token === null || token === "end") {
+                break;
+              }
+
+              if (token !== "/") {
+                continue;
+              }
+
+              var glyph = this.getToken();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              charstrings.push({
+                glyph: glyph,
+                encoded: encoded
+              });
+            }
+
+            break;
+
+          case "Subrs":
+            this.readInt();
+            this.getToken();
+
+            while (this.getToken() === "dup") {
+              var index = this.readInt();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              subrs[index] = encoded;
+            }
+
+            break;
+
+          case "BlueValues":
+          case "OtherBlues":
+          case "FamilyBlues":
+          case "FamilyOtherBlues":
+            var blueArray = this.readNumberArray();
+
+            if (blueArray.length > 0 && blueArray.length % 2 === 0 && HINTING_ENABLED) {
+              program.properties.privateData[token] = blueArray;
+            }
+
+            break;
+
+          case "StemSnapH":
+          case "StemSnapV":
+            program.properties.privateData[token] = this.readNumberArray();
+            break;
+
+          case "StdHW":
+          case "StdVW":
+            program.properties.privateData[token] = this.readNumberArray()[0];
+            break;
+
+          case "BlueShift":
+          case "lenIV":
+          case "BlueFuzz":
+          case "BlueScale":
+          case "LanguageGroup":
+          case "ExpansionFactor":
+            program.properties.privateData[token] = this.readNumber();
+            break;
+
+          case "ForceBold":
+            program.properties.privateData[token] = this.readBoolean();
+            break;
+        }
+      }
+
+      for (var i = 0; i < charstrings.length; i++) {
+        glyph = charstrings[i].glyph;
+        encoded = charstrings[i].encoded;
+        var charString = new Type1CharString();
+        var error = charString.convert(encoded, subrs, this.seacAnalysisEnabled);
+        var output = charString.output;
+
+        if (error) {
+          output = [14];
+        }
+
+        var charStringObject = {
+          glyphName: glyph,
+          charstring: output,
+          width: charString.width,
+          lsb: charString.lsb,
+          seac: charString.seac
+        };
+
+        if (glyph === ".notdef") {
+          program.charstrings.unshift(charStringObject);
+        } else {
+          program.charstrings.push(charStringObject);
+        }
+
+        if (properties.builtInEncoding) {
+          var _index = properties.builtInEncoding.indexOf(glyph);
+
+          if (_index > -1 && properties.widths[_index] === undefined && _index >= properties.firstChar && _index <= properties.lastChar) {
+            properties.widths[_index] = charString.width;
+          }
+        }
+      }
+
+      return program;
+    },
+    extractFontHeader: function Type1Parser_extractFontHeader(properties) {
+      var token;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "FontMatrix":
+            var matrix = this.readNumberArray();
+            properties.fontMatrix = matrix;
+            break;
+
+          case "Encoding":
+            var encodingArg = this.getToken();
+            var encoding;
+
+            if (!/^\d+$/.test(encodingArg)) {
+              encoding = (0, _encodings.getEncoding)(encodingArg);
+            } else {
+              encoding = [];
+              var size = parseInt(encodingArg, 10) | 0;
+              this.getToken();
+
+              for (var j = 0; j < size; j++) {
+                token = this.getToken();
+
+                while (token !== "dup" && token !== "def") {
+                  token = this.getToken();
+
+                  if (token === null) {
+                    return;
+                  }
+                }
+
+                if (token === "def") {
+                  break;
+                }
+
+                var index = this.readInt();
+                this.getToken();
+                var glyph = this.getToken();
+                encoding[index] = glyph;
+                this.getToken();
+              }
+            }
+
+            properties.builtInEncoding = encoding;
+            break;
+
+          case "FontBBox":
+            var fontBBox = this.readNumberArray();
+            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+            properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+            properties.ascentScaled = true;
+            break;
+        }
+      }
+    }
+  };
+  return Type1Parser;
+}();
+
+exports.Type1Parser = Type1Parser;
+
+/***/ }),
+/* 236 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getTilingPatternIR = getTilingPatternIR;
+exports.Pattern = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _colorspace = __w_pdfjs_require__(220);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var ShadingType = {
+  FUNCTION_BASED: 1,
+  AXIAL: 2,
+  RADIAL: 3,
+  FREE_FORM_MESH: 4,
+  LATTICE_FORM_MESH: 5,
+  COONS_PATCH_MESH: 6,
+  TENSOR_PATCH_MESH: 7
+};
+
+var Pattern = function PatternClosure() {
+  function Pattern() {
+    (0, _util.unreachable)("should not call Pattern constructor");
+  }
+
+  Pattern.prototype = {
+    getPattern: function Pattern_getPattern(ctx) {
+      (0, _util.unreachable)("Should not call Pattern.getStyle: ".concat(ctx));
+    }
+  };
+
+  Pattern.parseShading = function (shading, matrix, xref, res, handler, pdfFunctionFactory, localColorSpaceCache) {
+    var dict = (0, _primitives.isStream)(shading) ? shading.dict : shading;
+    var type = dict.get("ShadingType");
+
+    try {
+      switch (type) {
+        case ShadingType.AXIAL:
+        case ShadingType.RADIAL:
+          return new Shadings.RadialAxial(dict, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        case ShadingType.FREE_FORM_MESH:
+        case ShadingType.LATTICE_FORM_MESH:
+        case ShadingType.COONS_PATCH_MESH:
+        case ShadingType.TENSOR_PATCH_MESH:
+          return new Shadings.Mesh(shading, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        default:
+          throw new _util.FormatError("Unsupported ShadingType: " + type);
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.shadingPattern
+      });
+      (0, _util.warn)(ex);
+      return new Shadings.Dummy();
+    }
+  };
+
+  return Pattern;
+}();
+
+exports.Pattern = Pattern;
+var Shadings = {};
+Shadings.SMALL_NUMBER = 1e-6;
+
+Shadings.RadialAxial = function RadialAxialClosure() {
+  function RadialAxial(dict, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    this.matrix = matrix;
+    this.coordsArr = dict.getArray("Coords");
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+
+    var cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref: xref,
+      resources: resources,
+      pdfFunctionFactory: pdfFunctionFactory,
+      localColorSpaceCache: localColorSpaceCache
+    });
+
+    this.cs = cs;
+    var bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    var t0 = 0.0,
+        t1 = 1.0;
+
+    if (dict.has("Domain")) {
+      var domainArr = dict.getArray("Domain");
+      t0 = domainArr[0];
+      t1 = domainArr[1];
+    }
+
+    var extendStart = false,
+        extendEnd = false;
+
+    if (dict.has("Extend")) {
+      var extendArr = dict.getArray("Extend");
+      extendStart = extendArr[0];
+      extendEnd = extendArr[1];
+    }
+
+    if (this.shadingType === ShadingType.RADIAL && (!extendStart || !extendEnd)) {
+      var x1 = this.coordsArr[0];
+      var y1 = this.coordsArr[1];
+      var r1 = this.coordsArr[2];
+      var x2 = this.coordsArr[3];
+      var y2 = this.coordsArr[4];
+      var r2 = this.coordsArr[5];
+      var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
+
+      if (r1 <= r2 + distance && r2 <= r1 + distance) {
+        (0, _util.warn)("Unsupported radial gradient.");
+      }
+    }
+
+    this.extendStart = extendStart;
+    this.extendEnd = extendEnd;
+    var fnObj = dict.getRaw("Function");
+    var fn = pdfFunctionFactory.createFromArray(fnObj);
+    var NUMBER_OF_SAMPLES = 10;
+    var step = (t1 - t0) / NUMBER_OF_SAMPLES;
+    var colorStops = this.colorStops = [];
+
+    if (t0 >= t1 || step <= 0) {
+      (0, _util.info)("Bad shading domain.");
+      return;
+    }
+
+    var color = new Float32Array(cs.numComps),
+        ratio = new Float32Array(1);
+    var rgbColor;
+
+    for (var i = 0; i <= NUMBER_OF_SAMPLES; i++) {
+      ratio[0] = t0 + i * step;
+      fn(ratio, 0, color, 0);
+      rgbColor = cs.getRgb(color, 0);
+
+      var cssColor = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+
+      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);
+    }
+
+    var background = "transparent";
+
+    if (dict.has("Background")) {
+      rgbColor = cs.getRgb(dict.get("Background"), 0);
+      background = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+    }
+
+    if (!extendStart) {
+      colorStops.unshift([0, background]);
+      colorStops[1][0] += Shadings.SMALL_NUMBER;
+    }
+
+    if (!extendEnd) {
+      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;
+      colorStops.push([1, background]);
+    }
+
+    this.colorStops = colorStops;
+  }
+
+  RadialAxial.prototype = {
+    getIR: function RadialAxial_getIR() {
+      var coordsArr = this.coordsArr;
+      var shadingType = this.shadingType;
+      var type, p0, p1, r0, r1;
+
+      if (shadingType === ShadingType.AXIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[2], coordsArr[3]];
+        r0 = null;
+        r1 = null;
+        type = "axial";
+      } else if (shadingType === ShadingType.RADIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[3], coordsArr[4]];
+        r0 = coordsArr[2];
+        r1 = coordsArr[5];
+        type = "radial";
+      } else {
+        (0, _util.unreachable)("getPattern type unknown: ".concat(shadingType));
+      }
+
+      var matrix = this.matrix;
+
+      if (matrix) {
+        p0 = _util.Util.applyTransform(p0, matrix);
+        p1 = _util.Util.applyTransform(p1, matrix);
+
+        if (shadingType === ShadingType.RADIAL) {
+          var scale = _util.Util.singularValueDecompose2dScale(matrix);
+
+          r0 *= scale[0];
+          r1 *= scale[1];
+        }
+      }
+
+      return ["RadialAxial", type, this.bbox, this.colorStops, p0, p1, r0, r1];
+    }
+  };
+  return RadialAxial;
+}();
+
+Shadings.Mesh = function MeshClosure() {
+  function MeshStreamReader(stream, context) {
+    this.stream = stream;
+    this.context = context;
+    this.buffer = 0;
+    this.bufferLength = 0;
+    var numComps = context.numComps;
+    this.tmpCompsBuf = new Float32Array(numComps);
+    var csNumComps = context.colorSpace.numComps;
+    this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : this.tmpCompsBuf;
+  }
+
+  MeshStreamReader.prototype = {
+    get hasData() {
+      if (this.stream.end) {
+        return this.stream.pos < this.stream.end;
+      }
+
+      if (this.bufferLength > 0) {
+        return true;
+      }
+
+      var nextByte = this.stream.getByte();
+
+      if (nextByte < 0) {
+        return false;
+      }
+
+      this.buffer = nextByte;
+      this.bufferLength = 8;
+      return true;
+    },
+
+    readBits: function MeshStreamReader_readBits(n) {
+      var buffer = this.buffer;
+      var bufferLength = this.bufferLength;
+
+      if (n === 32) {
+        if (bufferLength === 0) {
+          return (this.stream.getByte() << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte()) >>> 0;
+        }
+
+        buffer = buffer << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte();
+        var nextByte = this.stream.getByte();
+        this.buffer = nextByte & (1 << bufferLength) - 1;
+        return (buffer << 8 - bufferLength | (nextByte & 0xff) >> bufferLength) >>> 0;
+      }
+
+      if (n === 8 && bufferLength === 0) {
+        return this.stream.getByte();
+      }
+
+      while (bufferLength < n) {
+        buffer = buffer << 8 | this.stream.getByte();
+        bufferLength += 8;
+      }
+
+      bufferLength -= n;
+      this.bufferLength = bufferLength;
+      this.buffer = buffer & (1 << bufferLength) - 1;
+      return buffer >> bufferLength;
+    },
+    align: function MeshStreamReader_align() {
+      this.buffer = 0;
+      this.bufferLength = 0;
+    },
+    readFlag: function MeshStreamReader_readFlag() {
+      return this.readBits(this.context.bitsPerFlag);
+    },
+    readCoordinate: function MeshStreamReader_readCoordinate() {
+      var bitsPerCoordinate = this.context.bitsPerCoordinate;
+      var xi = this.readBits(bitsPerCoordinate);
+      var yi = this.readBits(bitsPerCoordinate);
+      var decode = this.context.decode;
+      var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : 2.3283064365386963e-10;
+      return [xi * scale * (decode[1] - decode[0]) + decode[0], yi * scale * (decode[3] - decode[2]) + decode[2]];
+    },
+    readComponents: function MeshStreamReader_readComponents() {
+      var numComps = this.context.numComps;
+      var bitsPerComponent = this.context.bitsPerComponent;
+      var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : 2.3283064365386963e-10;
+      var decode = this.context.decode;
+      var components = this.tmpCompsBuf;
+
+      for (var i = 0, j = 4; i < numComps; i++, j += 2) {
+        var ci = this.readBits(bitsPerComponent);
+        components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j];
+      }
+
+      var color = this.tmpCsCompsBuf;
+
+      if (this.context.colorFn) {
+        this.context.colorFn(components, 0, color, 0);
+      }
+
+      return this.context.colorSpace.getRgb(color, 0);
+    }
+  };
+
+  function decodeType4Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var operators = [];
+    var ps = [];
+    var verticesLeft = 0;
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+
+      if (verticesLeft === 0) {
+        if (!(0 <= f && f <= 2)) {
+          throw new _util.FormatError("Unknown type4 flag");
+        }
+
+        switch (f) {
+          case 0:
+            verticesLeft = 3;
+            break;
+
+          case 1:
+            ps.push(ps[ps.length - 2], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+
+          case 2:
+            ps.push(ps[ps.length - 3], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+        }
+
+        operators.push(f);
+      }
+
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+      verticesLeft--;
+      reader.align();
+    }
+
+    mesh.figures.push({
+      type: "triangles",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps)
+    });
+  }
+
+  function decodeType5Shading(mesh, reader, verticesPerRow) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = [];
+
+    while (reader.hasData) {
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+    }
+
+    mesh.figures.push({
+      type: "lattice",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps),
+      verticesPerRow: verticesPerRow
+    });
+  }
+
+  var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3;
+  var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20;
+  var TRIANGLE_DENSITY = 20;
+
+  var getB = function getBClosure() {
+    function buildB(count) {
+      var lut = [];
+
+      for (var i = 0; i <= count; i++) {
+        var t = i / count,
+            t_ = 1 - t;
+        lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, 3 * t * t * t_, t * t * t]));
+      }
+
+      return lut;
+    }
+
+    var cache = [];
+    return function getB(count) {
+      if (!cache[count]) {
+        cache[count] = buildB(count);
+      }
+
+      return cache[count];
+    };
+  }();
+
+  function buildFigureFromPatch(mesh, index) {
+    var figure = mesh.figures[index];
+    (0, _util.assert)(figure.type === "patch", "Unexpected patch mesh figure");
+    var coords = mesh.coords,
+        colors = mesh.colors;
+    var pi = figure.coords;
+    var ci = figure.colors;
+    var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / (mesh.bounds[2] - mesh.bounds[0]));
+    splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy));
+    var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / (mesh.bounds[3] - mesh.bounds[1]));
+    splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy));
+    var verticesPerRow = splitXBy + 1;
+    var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var k = 0;
+    var cl = new Uint8Array(3),
+        cr = new Uint8Array(3);
+    var c0 = colors[ci[0]],
+        c1 = colors[ci[1]],
+        c2 = colors[ci[2]],
+        c3 = colors[ci[3]];
+    var bRow = getB(splitYBy),
+        bCol = getB(splitXBy);
+
+    for (var row = 0; row <= splitYBy; row++) {
+      cl[0] = (c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy | 0;
+      cl[1] = (c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy | 0;
+      cl[2] = (c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy | 0;
+      cr[0] = (c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy | 0;
+      cr[1] = (c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy | 0;
+      cr[2] = (c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy | 0;
+
+      for (var col = 0; col <= splitXBy; col++, k++) {
+        if ((row === 0 || row === splitYBy) && (col === 0 || col === splitXBy)) {
+          continue;
+        }
+
+        var x = 0,
+            y = 0;
+        var q = 0;
+
+        for (var i = 0; i <= 3; i++) {
+          for (var j = 0; j <= 3; j++, q++) {
+            var m = bRow[row][i] * bCol[col][j];
+            x += coords[pi[q]][0] * m;
+            y += coords[pi[q]][1] * m;
+          }
+        }
+
+        figureCoords[k] = coords.length;
+        coords.push([x, y]);
+        figureColors[k] = colors.length;
+        var newColor = new Uint8Array(3);
+        newColor[0] = (cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy | 0;
+        newColor[1] = (cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy | 0;
+        newColor[2] = (cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy | 0;
+        colors.push(newColor);
+      }
+    }
+
+    figureCoords[0] = pi[0];
+    figureColors[0] = ci[0];
+    figureCoords[splitXBy] = pi[3];
+    figureColors[splitXBy] = ci[1];
+    figureCoords[verticesPerRow * splitYBy] = pi[12];
+    figureColors[verticesPerRow * splitYBy] = ci[2];
+    figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15];
+    figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3];
+    mesh.figures[index] = {
+      type: "lattice",
+      coords: figureCoords,
+      colors: figureColors,
+      verticesPerRow: verticesPerRow
+    };
+  }
+
+  function decodeType6Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type6 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      ps[5] = coords.length;
+      coords.push([(-4 * coords[ps[0]][0] - coords[ps[15]][0] + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, (-4 * coords[ps[0]][1] - coords[ps[15]][1] + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9]);
+      ps[6] = coords.length;
+      coords.push([(-4 * coords[ps[3]][0] - coords[ps[12]][0] + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, (-4 * coords[ps[3]][1] - coords[ps[12]][1] + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9]);
+      ps[9] = coords.length;
+      coords.push([(-4 * coords[ps[12]][0] - coords[ps[3]][0] + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, (-4 * coords[ps[12]][1] - coords[ps[3]][1] + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9]);
+      ps[10] = coords.length;
+      coords.push([(-4 * coords[ps[15]][0] - coords[ps[0]][0] + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, (-4 * coords[ps[15]][1] - coords[ps[0]][1] + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9]);
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function decodeType7Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type7 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[9] = pi + 13;
+          ps[10] = pi + 14;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[5] = pi + 12;
+          ps[6] = pi + 15;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function updateBounds(mesh) {
+    var minX = mesh.coords[0][0],
+        minY = mesh.coords[0][1],
+        maxX = minX,
+        maxY = minY;
+
+    for (var i = 1, ii = mesh.coords.length; i < ii; i++) {
+      var x = mesh.coords[i][0],
+          y = mesh.coords[i][1];
+      minX = minX > x ? x : minX;
+      minY = minY > y ? y : minY;
+      maxX = maxX < x ? x : maxX;
+      maxY = maxY < y ? y : maxY;
+    }
+
+    mesh.bounds = [minX, minY, maxX, maxY];
+  }
+
+  function packData(mesh) {
+    var i, ii, j, jj;
+    var coords = mesh.coords;
+    var coordsPacked = new Float32Array(coords.length * 2);
+
+    for (i = 0, j = 0, ii = coords.length; i < ii; i++) {
+      var xy = coords[i];
+      coordsPacked[j++] = xy[0];
+      coordsPacked[j++] = xy[1];
+    }
+
+    mesh.coords = coordsPacked;
+    var colors = mesh.colors;
+    var colorsPacked = new Uint8Array(colors.length * 3);
+
+    for (i = 0, j = 0, ii = colors.length; i < ii; i++) {
+      var c = colors[i];
+      colorsPacked[j++] = c[0];
+      colorsPacked[j++] = c[1];
+      colorsPacked[j++] = c[2];
+    }
+
+    mesh.colors = colorsPacked;
+    var figures = mesh.figures;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      for (j = 0, jj = ps.length; j < jj; j++) {
+        ps[j] *= 2;
+        cs[j] *= 3;
+      }
+    }
+  }
+
+  function Mesh(stream, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    if (!(0, _primitives.isStream)(stream)) {
+      throw new _util.FormatError("Mesh data is not a stream");
+    }
+
+    var dict = stream.dict;
+    this.matrix = matrix;
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+    var bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    var cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref: xref,
+      resources: resources,
+      pdfFunctionFactory: pdfFunctionFactory,
+      localColorSpaceCache: localColorSpaceCache
+    });
+
+    this.cs = cs;
+    this.background = dict.has("Background") ? cs.getRgb(dict.get("Background"), 0) : null;
+    var fnObj = dict.getRaw("Function");
+    var fn = fnObj ? pdfFunctionFactory.createFromArray(fnObj) : null;
+    this.coords = [];
+    this.colors = [];
+    this.figures = [];
+    var decodeContext = {
+      bitsPerCoordinate: dict.get("BitsPerCoordinate"),
+      bitsPerComponent: dict.get("BitsPerComponent"),
+      bitsPerFlag: dict.get("BitsPerFlag"),
+      decode: dict.getArray("Decode"),
+      colorFn: fn,
+      colorSpace: cs,
+      numComps: fn ? 1 : cs.numComps
+    };
+    var reader = new MeshStreamReader(stream, decodeContext);
+    var patchMesh = false;
+
+    switch (this.shadingType) {
+      case ShadingType.FREE_FORM_MESH:
+        decodeType4Shading(this, reader);
+        break;
+
+      case ShadingType.LATTICE_FORM_MESH:
+        var verticesPerRow = dict.get("VerticesPerRow") | 0;
+
+        if (verticesPerRow < 2) {
+          throw new _util.FormatError("Invalid VerticesPerRow");
+        }
+
+        decodeType5Shading(this, reader, verticesPerRow);
+        break;
+
+      case ShadingType.COONS_PATCH_MESH:
+        decodeType6Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      case ShadingType.TENSOR_PATCH_MESH:
+        decodeType7Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      default:
+        (0, _util.unreachable)("Unsupported mesh type.");
+        break;
+    }
+
+    if (patchMesh) {
+      updateBounds(this);
+
+      for (var i = 0, ii = this.figures.length; i < ii; i++) {
+        buildFigureFromPatch(this, i);
+      }
+    }
+
+    updateBounds(this);
+    packData(this);
+  }
+
+  Mesh.prototype = {
+    getIR: function Mesh_getIR() {
+      return ["Mesh", this.shadingType, this.coords, this.colors, this.figures, this.bounds, this.matrix, this.bbox, this.background];
+    }
+  };
+  return Mesh;
+}();
+
+Shadings.Dummy = function DummyClosure() {
+  function Dummy() {
+    this.type = "Pattern";
+  }
+
+  Dummy.prototype = {
+    getIR: function Dummy_getIR() {
+      return ["Dummy"];
+    }
+  };
+  return Dummy;
+}();
+
+function getTilingPatternIR(operatorList, dict, args) {
+  var matrix = dict.getArray("Matrix");
+
+  var bbox = _util.Util.normalizeRect(dict.getArray("BBox"));
+
+  var xstep = dict.get("XStep");
+  var ystep = dict.get("YStep");
+  var paintType = dict.get("PaintType");
+  var tilingType = dict.get("TilingType");
+
+  if (bbox[2] - bbox[0] === 0 || bbox[3] - bbox[1] === 0) {
+    throw new _util.FormatError("Invalid getTilingPatternIR /BBox array: [".concat(bbox, "]."));
+  }
+
+  return ["TilingPattern", args, operatorList, matrix, bbox, xstep, ystep, paintType, tilingType];
+}
+
+/***/ }),
+/* 237 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isPDFFunction = isPDFFunction;
+exports.PostScriptCompiler = exports.PostScriptEvaluator = exports.PDFFunctionFactory = void 0;
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _util = __w_pdfjs_require__(5);
+
+var _ps_parser = __w_pdfjs_require__(238);
+
+var _image_utils = __w_pdfjs_require__(221);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PDFFunctionFactory = /*#__PURE__*/function () {
+  function PDFFunctionFactory(_ref) {
+    var xref = _ref.xref,
+        _ref$isEvalSupported = _ref.isEvalSupported,
+        isEvalSupported = _ref$isEvalSupported === void 0 ? true : _ref$isEvalSupported;
+
+    _classCallCheck(this, PDFFunctionFactory);
+
+    this.xref = xref;
+    this.isEvalSupported = isEvalSupported !== false;
+    this._localFunctionCache = null;
+  }
+
+  _createClass(PDFFunctionFactory, [{
+    key: "create",
+    value: function create(fn) {
+      var cachedFunction = this.getCached(fn);
+
+      if (cachedFunction) {
+        return cachedFunction;
+      }
+
+      var parsedFunction = PDFFunction.parse({
+        xref: this.xref,
+        isEvalSupported: this.isEvalSupported,
+        fn: fn instanceof _primitives.Ref ? this.xref.fetch(fn) : fn
+      });
+
+      this._cache(fn, parsedFunction);
+
+      return parsedFunction;
+    }
+  }, {
+    key: "createFromArray",
+    value: function createFromArray(fnObj) {
+      var cachedFunction = this.getCached(fnObj);
+
+      if (cachedFunction) {
+        return cachedFunction;
+      }
+
+      var parsedFunction = PDFFunction.parseArray({
+        xref: this.xref,
+        isEvalSupported: this.isEvalSupported,
+        fnObj: fnObj instanceof _primitives.Ref ? this.xref.fetch(fnObj) : fnObj
+      });
+
+      this._cache(fnObj, parsedFunction);
+
+      return parsedFunction;
+    }
+  }, {
+    key: "getCached",
+    value: function getCached(cacheKey) {
+      var fnRef;
+
+      if (cacheKey instanceof _primitives.Ref) {
+        fnRef = cacheKey;
+      } else if (cacheKey instanceof _primitives.Dict) {
+        fnRef = cacheKey.objId;
+      } else if ((0, _primitives.isStream)(cacheKey)) {
+        fnRef = cacheKey.dict && cacheKey.dict.objId;
+      }
+
+      if (fnRef) {
+        if (!this._localFunctionCache) {
+          this._localFunctionCache = new _image_utils.LocalFunctionCache();
+        }
+
+        var localFunction = this._localFunctionCache.getByRef(fnRef);
+
+        if (localFunction) {
+          return localFunction;
+        }
+      }
+
+      return null;
+    }
+  }, {
+    key: "_cache",
+    value: function _cache(cacheKey, parsedFunction) {
+      if (!parsedFunction) {
+        throw new Error('PDFFunctionFactory._cache - expected "parsedFunction" argument.');
+      }
+
+      var fnRef;
+
+      if (cacheKey instanceof _primitives.Ref) {
+        fnRef = cacheKey;
+      } else if (cacheKey instanceof _primitives.Dict) {
+        fnRef = cacheKey.objId;
+      } else if ((0, _primitives.isStream)(cacheKey)) {
+        fnRef = cacheKey.dict && cacheKey.dict.objId;
+      }
+
+      if (fnRef) {
+        if (!this._localFunctionCache) {
+          this._localFunctionCache = new _image_utils.LocalFunctionCache();
+        }
+
+        this._localFunctionCache.set(null, fnRef, parsedFunction);
+      }
+    }
+  }]);
+
+  return PDFFunctionFactory;
+}();
+
+exports.PDFFunctionFactory = PDFFunctionFactory;
+
+function toNumberArray(arr) {
+  if (!Array.isArray(arr)) {
+    return null;
+  }
+
+  var length = arr.length;
+
+  for (var i = 0; i < length; i++) {
+    if (typeof arr[i] !== "number") {
+      var result = new Array(length);
+
+      for (var j = 0; j < length; j++) {
+        result[j] = +arr[j];
+      }
+
+      return result;
+    }
+  }
+
+  return arr;
+}
+
+var PDFFunction = function PDFFunctionClosure() {
+  var CONSTRUCT_SAMPLED = 0;
+  var CONSTRUCT_INTERPOLATED = 2;
+  var CONSTRUCT_STICHED = 3;
+  var CONSTRUCT_POSTSCRIPT = 4;
+  return {
+    getSampleArray: function getSampleArray(size, outputSize, bps, stream) {
+      var i, ii;
+      var length = 1;
+
+      for (i = 0, ii = size.length; i < ii; i++) {
+        length *= size[i];
+      }
+
+      length *= outputSize;
+      var array = new Array(length);
+      var codeSize = 0;
+      var codeBuf = 0;
+      var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1);
+      var strBytes = stream.getBytes((length * bps + 7) / 8);
+      var strIdx = 0;
+
+      for (i = 0; i < length; i++) {
+        while (codeSize < bps) {
+          codeBuf <<= 8;
+          codeBuf |= strBytes[strIdx++];
+          codeSize += 8;
+        }
+
+        codeSize -= bps;
+        array[i] = (codeBuf >> codeSize) * sampleMul;
+        codeBuf &= (1 << codeSize) - 1;
+      }
+
+      return array;
+    },
+    getIR: function getIR(_ref2) {
+      var xref = _ref2.xref,
+          isEvalSupported = _ref2.isEvalSupported,
+          fn = _ref2.fn;
+      var dict = fn.dict;
+
+      if (!dict) {
+        dict = fn;
+      }
+
+      var types = [this.constructSampled, null, this.constructInterpolated, this.constructStiched, this.constructPostScript];
+      var typeNum = dict.get("FunctionType");
+      var typeFn = types[typeNum];
+
+      if (!typeFn) {
+        throw new _util.FormatError("Unknown type of function");
+      }
+
+      return typeFn.call(this, {
+        xref: xref,
+        isEvalSupported: isEvalSupported,
+        fn: fn,
+        dict: dict
+      });
+    },
+    fromIR: function fromIR(_ref3) {
+      var xref = _ref3.xref,
+          isEvalSupported = _ref3.isEvalSupported,
+          IR = _ref3.IR;
+      var type = IR[0];
+
+      switch (type) {
+        case CONSTRUCT_SAMPLED:
+          return this.constructSampledFromIR({
+            xref: xref,
+            isEvalSupported: isEvalSupported,
+            IR: IR
+          });
+
+        case CONSTRUCT_INTERPOLATED:
+          return this.constructInterpolatedFromIR({
+            xref: xref,
+            isEvalSupported: isEvalSupported,
+            IR: IR
+          });
+
+        case CONSTRUCT_STICHED:
+          return this.constructStichedFromIR({
+            xref: xref,
+            isEvalSupported: isEvalSupported,
+            IR: IR
+          });
+
+        default:
+          return this.constructPostScriptFromIR({
+            xref: xref,
+            isEvalSupported: isEvalSupported,
+            IR: IR
+          });
+      }
+    },
+    parse: function parse(_ref4) {
+      var xref = _ref4.xref,
+          isEvalSupported = _ref4.isEvalSupported,
+          fn = _ref4.fn;
+      var IR = this.getIR({
+        xref: xref,
+        isEvalSupported: isEvalSupported,
+        fn: fn
+      });
+      return this.fromIR({
+        xref: xref,
+        isEvalSupported: isEvalSupported,
+        IR: IR
+      });
+    },
+    parseArray: function parseArray(_ref5) {
+      var xref = _ref5.xref,
+          isEvalSupported = _ref5.isEvalSupported,
+          fnObj = _ref5.fnObj;
+
+      if (!Array.isArray(fnObj)) {
+        return this.parse({
+          xref: xref,
+          isEvalSupported: isEvalSupported,
+          fn: fnObj
+        });
+      }
+
+      var fnArray = [];
+
+      for (var j = 0, jj = fnObj.length; j < jj; j++) {
+        fnArray.push(this.parse({
+          xref: xref,
+          isEvalSupported: isEvalSupported,
+          fn: xref.fetchIfRef(fnObj[j])
+        }));
+      }
+
+      return function (src, srcOffset, dest, destOffset) {
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          fnArray[i](src, srcOffset, dest, destOffset + i);
+        }
+      };
+    },
+    constructSampled: function constructSampled(_ref6) {
+      var xref = _ref6.xref,
+          isEvalSupported = _ref6.isEvalSupported,
+          fn = _ref6.fn,
+          dict = _ref6.dict;
+
+      function toMultiArray(arr) {
+        var inputLength = arr.length;
+        var out = [];
+        var index = 0;
+
+        for (var i = 0; i < inputLength; i += 2) {
+          out[index] = [arr[i], arr[i + 1]];
+          ++index;
+        }
+
+        return out;
+      }
+
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain || !range) {
+        throw new _util.FormatError("No domain or range");
+      }
+
+      var inputSize = domain.length / 2;
+      var outputSize = range.length / 2;
+      domain = toMultiArray(domain);
+      range = toMultiArray(range);
+      var size = toNumberArray(dict.getArray("Size"));
+      var bps = dict.get("BitsPerSample");
+      var order = dict.get("Order") || 1;
+
+      if (order !== 1) {
+        (0, _util.info)("No support for cubic spline interpolation: " + order);
+      }
+
+      var encode = toNumberArray(dict.getArray("Encode"));
+
+      if (!encode) {
+        encode = [];
+
+        for (var i = 0; i < inputSize; ++i) {
+          encode.push([0, size[i] - 1]);
+        }
+      } else {
+        encode = toMultiArray(encode);
+      }
+
+      var decode = toNumberArray(dict.getArray("Decode"));
+
+      if (!decode) {
+        decode = range;
+      } else {
+        decode = toMultiArray(decode);
+      }
+
+      var samples = this.getSampleArray(size, outputSize, bps, fn);
+      return [CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, outputSize, Math.pow(2, bps) - 1, range];
+    },
+    constructSampledFromIR: function constructSampledFromIR(_ref7) {
+      var xref = _ref7.xref,
+          isEvalSupported = _ref7.isEvalSupported,
+          IR = _ref7.IR;
+
+      function interpolate(x, xmin, xmax, ymin, ymax) {
+        return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin));
+      }
+
+      return function constructSampledFromIRResult(src, srcOffset, dest, destOffset) {
+        var m = IR[1];
+        var domain = IR[2];
+        var encode = IR[3];
+        var decode = IR[4];
+        var samples = IR[5];
+        var size = IR[6];
+        var n = IR[7];
+        var range = IR[9];
+        var cubeVertices = 1 << m;
+        var cubeN = new Float64Array(cubeVertices);
+        var cubeVertex = new Uint32Array(cubeVertices);
+        var i, j;
+
+        for (j = 0; j < cubeVertices; j++) {
+          cubeN[j] = 1;
+        }
+
+        var k = n,
+            pos = 1;
+
+        for (i = 0; i < m; ++i) {
+          var domain_2i = domain[i][0];
+          var domain_2i_1 = domain[i][1];
+          var xi = Math.min(Math.max(src[srcOffset + i], domain_2i), domain_2i_1);
+          var e = interpolate(xi, domain_2i, domain_2i_1, encode[i][0], encode[i][1]);
+          var size_i = size[i];
+          e = Math.min(Math.max(e, 0), size_i - 1);
+          var e0 = e < size_i - 1 ? Math.floor(e) : e - 1;
+          var n0 = e0 + 1 - e;
+          var n1 = e - e0;
+          var offset0 = e0 * k;
+          var offset1 = offset0 + k;
+
+          for (j = 0; j < cubeVertices; j++) {
+            if (j & pos) {
+              cubeN[j] *= n1;
+              cubeVertex[j] += offset1;
+            } else {
+              cubeN[j] *= n0;
+              cubeVertex[j] += offset0;
+            }
+          }
+
+          k *= size_i;
+          pos <<= 1;
+        }
+
+        for (j = 0; j < n; ++j) {
+          var rj = 0;
+
+          for (i = 0; i < cubeVertices; i++) {
+            rj += samples[cubeVertex[i] + j] * cubeN[i];
+          }
+
+          rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);
+          dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), range[j][1]);
+        }
+      };
+    },
+    constructInterpolated: function constructInterpolated(_ref8) {
+      var xref = _ref8.xref,
+          isEvalSupported = _ref8.isEvalSupported,
+          fn = _ref8.fn,
+          dict = _ref8.dict;
+      var c0 = toNumberArray(dict.getArray("C0")) || [0];
+      var c1 = toNumberArray(dict.getArray("C1")) || [1];
+      var n = dict.get("N");
+      var length = c0.length;
+      var diff = [];
+
+      for (var i = 0; i < length; ++i) {
+        diff.push(c1[i] - c0[i]);
+      }
+
+      return [CONSTRUCT_INTERPOLATED, c0, diff, n];
+    },
+    constructInterpolatedFromIR: function constructInterpolatedFromIR(_ref9) {
+      var xref = _ref9.xref,
+          isEvalSupported = _ref9.isEvalSupported,
+          IR = _ref9.IR;
+      var c0 = IR[1];
+      var diff = IR[2];
+      var n = IR[3];
+      var length = diff.length;
+      return function constructInterpolatedFromIRResult(src, srcOffset, dest, destOffset) {
+        var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n);
+
+        for (var j = 0; j < length; ++j) {
+          dest[destOffset + j] = c0[j] + x * diff[j];
+        }
+      };
+    },
+    constructStiched: function constructStiched(_ref10) {
+      var xref = _ref10.xref,
+          isEvalSupported = _ref10.isEvalSupported,
+          fn = _ref10.fn,
+          dict = _ref10.dict;
+      var domain = toNumberArray(dict.getArray("Domain"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain");
+      }
+
+      var inputSize = domain.length / 2;
+
+      if (inputSize !== 1) {
+        throw new _util.FormatError("Bad domain for stiched function");
+      }
+
+      var fnRefs = dict.get("Functions");
+      var fns = [];
+
+      for (var i = 0, ii = fnRefs.length; i < ii; ++i) {
+        fns.push(this.parse({
+          xref: xref,
+          isEvalSupported: isEvalSupported,
+          fn: xref.fetchIfRef(fnRefs[i])
+        }));
+      }
+
+      var bounds = toNumberArray(dict.getArray("Bounds"));
+      var encode = toNumberArray(dict.getArray("Encode"));
+      return [CONSTRUCT_STICHED, domain, bounds, encode, fns];
+    },
+    constructStichedFromIR: function constructStichedFromIR(_ref11) {
+      var xref = _ref11.xref,
+          isEvalSupported = _ref11.isEvalSupported,
+          IR = _ref11.IR;
+      var domain = IR[1];
+      var bounds = IR[2];
+      var encode = IR[3];
+      var fns = IR[4];
+      var tmpBuf = new Float32Array(1);
+      return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) {
+        var clip = function constructStichedFromIRClip(v, min, max) {
+          if (v > max) {
+            v = max;
+          } else if (v < min) {
+            v = min;
+          }
+
+          return v;
+        };
+
+        var v = clip(src[srcOffset], domain[0], domain[1]);
+
+        for (var i = 0, ii = bounds.length; i < ii; ++i) {
+          if (v < bounds[i]) {
+            break;
+          }
+        }
+
+        var dmin = domain[0];
+
+        if (i > 0) {
+          dmin = bounds[i - 1];
+        }
+
+        var dmax = domain[1];
+
+        if (i < bounds.length) {
+          dmax = bounds[i];
+        }
+
+        var rmin = encode[2 * i];
+        var rmax = encode[2 * i + 1];
+        tmpBuf[0] = dmin === dmax ? rmin : rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin);
+        fns[i](tmpBuf, 0, dest, destOffset);
+      };
+    },
+    constructPostScript: function constructPostScript(_ref12) {
+      var xref = _ref12.xref,
+          isEvalSupported = _ref12.isEvalSupported,
+          fn = _ref12.fn,
+          dict = _ref12.dict;
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain.");
+      }
+
+      if (!range) {
+        throw new _util.FormatError("No range.");
+      }
+
+      var lexer = new _ps_parser.PostScriptLexer(fn);
+      var parser = new _ps_parser.PostScriptParser(lexer);
+      var code = parser.parse();
+      return [CONSTRUCT_POSTSCRIPT, domain, range, code];
+    },
+    constructPostScriptFromIR: function constructPostScriptFromIR(_ref13) {
+      var xref = _ref13.xref,
+          isEvalSupported = _ref13.isEvalSupported,
+          IR = _ref13.IR;
+      var domain = IR[1];
+      var range = IR[2];
+      var code = IR[3];
+
+      if (isEvalSupported && _util.IsEvalSupportedCached.value) {
+        var compiled = new PostScriptCompiler().compile(code, domain, range);
+
+        if (compiled) {
+          return new Function("src", "srcOffset", "dest", "destOffset", compiled);
+        }
+      }
+
+      (0, _util.info)("Unable to compile PS function");
+      var numOutputs = range.length >> 1;
+      var numInputs = domain.length >> 1;
+      var evaluator = new PostScriptEvaluator(code);
+      var cache = Object.create(null);
+      var MAX_CACHE_SIZE = 2048 * 4;
+      var cache_available = MAX_CACHE_SIZE;
+      var tmpBuf = new Float32Array(numInputs);
+      return function constructPostScriptFromIRResult(src, srcOffset, dest, destOffset) {
+        var i, value;
+        var key = "";
+        var input = tmpBuf;
+
+        for (i = 0; i < numInputs; i++) {
+          value = src[srcOffset + i];
+          input[i] = value;
+          key += value + "_";
+        }
+
+        var cachedValue = cache[key];
+
+        if (cachedValue !== undefined) {
+          dest.set(cachedValue, destOffset);
+          return;
+        }
+
+        var output = new Float32Array(numOutputs);
+        var stack = evaluator.execute(input);
+        var stackIndex = stack.length - numOutputs;
+
+        for (i = 0; i < numOutputs; i++) {
+          value = stack[stackIndex + i];
+          var bound = range[i * 2];
+
+          if (value < bound) {
+            value = bound;
+          } else {
+            bound = range[i * 2 + 1];
+
+            if (value > bound) {
+              value = bound;
+            }
+          }
+
+          output[i] = value;
+        }
+
+        if (cache_available > 0) {
+          cache_available--;
+          cache[key] = output;
+        }
+
+        dest.set(output, destOffset);
+      };
+    }
+  };
+}();
+
+function isPDFFunction(v) {
+  var fnDict;
+
+  if (_typeof(v) !== "object") {
+    return false;
+  } else if ((0, _primitives.isDict)(v)) {
+    fnDict = v;
+  } else if ((0, _primitives.isStream)(v)) {
+    fnDict = v.dict;
+  } else {
+    return false;
+  }
+
+  return fnDict.has("FunctionType");
+}
+
+var PostScriptStack = function PostScriptStackClosure() {
+  var MAX_STACK_SIZE = 100;
+
+  function PostScriptStack(initialStack) {
+    this.stack = !initialStack ? [] : Array.prototype.slice.call(initialStack, 0);
+  }
+
+  PostScriptStack.prototype = {
+    push: function PostScriptStack_push(value) {
+      if (this.stack.length >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      this.stack.push(value);
+    },
+    pop: function PostScriptStack_pop() {
+      if (this.stack.length <= 0) {
+        throw new Error("PostScript function stack underflow.");
+      }
+
+      return this.stack.pop();
+    },
+    copy: function PostScriptStack_copy(n) {
+      if (this.stack.length + n >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      var stack = this.stack;
+
+      for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) {
+        stack.push(stack[i]);
+      }
+    },
+    index: function PostScriptStack_index(n) {
+      this.push(this.stack[this.stack.length - n - 1]);
+    },
+    roll: function PostScriptStack_roll(n, p) {
+      var stack = this.stack;
+      var l = stack.length - n;
+      var r = stack.length - 1,
+          c = l + (p - Math.floor(p / n) * n),
+          i,
+          j,
+          t;
+
+      for (i = l, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = l, j = c - 1; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = c, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+    }
+  };
+  return PostScriptStack;
+}();
+
+var PostScriptEvaluator = function PostScriptEvaluatorClosure() {
+  function PostScriptEvaluator(operators) {
+    this.operators = operators;
+  }
+
+  PostScriptEvaluator.prototype = {
+    execute: function PostScriptEvaluator_execute(initialStack) {
+      var stack = new PostScriptStack(initialStack);
+      var counter = 0;
+      var operators = this.operators;
+      var length = operators.length;
+      var operator, a, b;
+
+      while (counter < length) {
+        operator = operators[counter++];
+
+        if (typeof operator === "number") {
+          stack.push(operator);
+          continue;
+        }
+
+        switch (operator) {
+          case "jz":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (!a) {
+              counter = b;
+            }
+
+            break;
+
+          case "j":
+            a = stack.pop();
+            counter = a;
+            break;
+
+          case "abs":
+            a = stack.pop();
+            stack.push(Math.abs(a));
+            break;
+
+          case "add":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a + b);
+            break;
+
+          case "and":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a && b);
+            } else {
+              stack.push(a & b);
+            }
+
+            break;
+
+          case "atan":
+            a = stack.pop();
+            stack.push(Math.atan(a));
+            break;
+
+          case "bitshift":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (a > 0) {
+              stack.push(a << b);
+            } else {
+              stack.push(a >> b);
+            }
+
+            break;
+
+          case "ceiling":
+            a = stack.pop();
+            stack.push(Math.ceil(a));
+            break;
+
+          case "copy":
+            a = stack.pop();
+            stack.copy(a);
+            break;
+
+          case "cos":
+            a = stack.pop();
+            stack.push(Math.cos(a));
+            break;
+
+          case "cvi":
+            a = stack.pop() | 0;
+            stack.push(a);
+            break;
+
+          case "cvr":
+            break;
+
+          case "div":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b);
+            break;
+
+          case "dup":
+            stack.copy(1);
+            break;
+
+          case "eq":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a === b);
+            break;
+
+          case "exch":
+            stack.roll(2, 1);
+            break;
+
+          case "exp":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(Math.pow(a, b));
+            break;
+
+          case "false":
+            stack.push(false);
+            break;
+
+          case "floor":
+            a = stack.pop();
+            stack.push(Math.floor(a));
+            break;
+
+          case "ge":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a >= b);
+            break;
+
+          case "gt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a > b);
+            break;
+
+          case "idiv":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b | 0);
+            break;
+
+          case "index":
+            a = stack.pop();
+            stack.index(a);
+            break;
+
+          case "le":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a <= b);
+            break;
+
+          case "ln":
+            a = stack.pop();
+            stack.push(Math.log(a));
+            break;
+
+          case "log":
+            a = stack.pop();
+            stack.push(Math.log(a) / Math.LN10);
+            break;
+
+          case "lt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a < b);
+            break;
+
+          case "mod":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a % b);
+            break;
+
+          case "mul":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a * b);
+            break;
+
+          case "ne":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a !== b);
+            break;
+
+          case "neg":
+            a = stack.pop();
+            stack.push(-a);
+            break;
+
+          case "not":
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a)) {
+              stack.push(!a);
+            } else {
+              stack.push(~a);
+            }
+
+            break;
+
+          case "or":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a || b);
+            } else {
+              stack.push(a | b);
+            }
+
+            break;
+
+          case "pop":
+            stack.pop();
+            break;
+
+          case "roll":
+            b = stack.pop();
+            a = stack.pop();
+            stack.roll(a, b);
+            break;
+
+          case "round":
+            a = stack.pop();
+            stack.push(Math.round(a));
+            break;
+
+          case "sin":
+            a = stack.pop();
+            stack.push(Math.sin(a));
+            break;
+
+          case "sqrt":
+            a = stack.pop();
+            stack.push(Math.sqrt(a));
+            break;
+
+          case "sub":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a - b);
+            break;
+
+          case "true":
+            stack.push(true);
+            break;
+
+          case "truncate":
+            a = stack.pop();
+            a = a < 0 ? Math.ceil(a) : Math.floor(a);
+            stack.push(a);
+            break;
+
+          case "xor":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a !== b);
+            } else {
+              stack.push(a ^ b);
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError("Unknown operator ".concat(operator));
+        }
+      }
+
+      return stack.stack;
+    }
+  };
+  return PostScriptEvaluator;
+}();
+
+exports.PostScriptEvaluator = PostScriptEvaluator;
+
+var PostScriptCompiler = function PostScriptCompilerClosure() {
+  function AstNode(type) {
+    this.type = type;
+  }
+
+  AstNode.prototype.visit = function (visitor) {
+    (0, _util.unreachable)("abstract method");
+  };
+
+  function AstArgument(index, min, max) {
+    AstNode.call(this, "args");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstArgument.prototype = Object.create(AstNode.prototype);
+
+  AstArgument.prototype.visit = function (visitor) {
+    visitor.visitArgument(this);
+  };
+
+  function AstLiteral(number) {
+    AstNode.call(this, "literal");
+    this.number = number;
+    this.min = number;
+    this.max = number;
+  }
+
+  AstLiteral.prototype = Object.create(AstNode.prototype);
+
+  AstLiteral.prototype.visit = function (visitor) {
+    visitor.visitLiteral(this);
+  };
+
+  function AstBinaryOperation(op, arg1, arg2, min, max) {
+    AstNode.call(this, "binary");
+    this.op = op;
+    this.arg1 = arg1;
+    this.arg2 = arg2;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstBinaryOperation.prototype = Object.create(AstNode.prototype);
+
+  AstBinaryOperation.prototype.visit = function (visitor) {
+    visitor.visitBinaryOperation(this);
+  };
+
+  function AstMin(arg, max) {
+    AstNode.call(this, "max");
+    this.arg = arg;
+    this.min = arg.min;
+    this.max = max;
+  }
+
+  AstMin.prototype = Object.create(AstNode.prototype);
+
+  AstMin.prototype.visit = function (visitor) {
+    visitor.visitMin(this);
+  };
+
+  function AstVariable(index, min, max) {
+    AstNode.call(this, "var");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstVariable.prototype = Object.create(AstNode.prototype);
+
+  AstVariable.prototype.visit = function (visitor) {
+    visitor.visitVariable(this);
+  };
+
+  function AstVariableDefinition(variable, arg) {
+    AstNode.call(this, "definition");
+    this.variable = variable;
+    this.arg = arg;
+  }
+
+  AstVariableDefinition.prototype = Object.create(AstNode.prototype);
+
+  AstVariableDefinition.prototype.visit = function (visitor) {
+    visitor.visitVariableDefinition(this);
+  };
+
+  function ExpressionBuilderVisitor() {
+    this.parts = [];
+  }
+
+  ExpressionBuilderVisitor.prototype = {
+    visitArgument: function visitArgument(arg) {
+      this.parts.push("Math.max(", arg.min, ", Math.min(", arg.max, ", src[srcOffset + ", arg.index, "]))");
+    },
+    visitVariable: function visitVariable(variable) {
+      this.parts.push("v", variable.index);
+    },
+    visitLiteral: function visitLiteral(literal) {
+      this.parts.push(literal.number);
+    },
+    visitBinaryOperation: function visitBinaryOperation(operation) {
+      this.parts.push("(");
+      operation.arg1.visit(this);
+      this.parts.push(" ", operation.op, " ");
+      operation.arg2.visit(this);
+      this.parts.push(")");
+    },
+    visitVariableDefinition: function visitVariableDefinition(definition) {
+      this.parts.push("var ");
+      definition.variable.visit(this);
+      this.parts.push(" = ");
+      definition.arg.visit(this);
+      this.parts.push(";");
+    },
+    visitMin: function visitMin(max) {
+      this.parts.push("Math.min(");
+      max.arg.visit(this);
+      this.parts.push(", ", max.max, ")");
+    },
+    toString: function toString() {
+      return this.parts.join("");
+    }
+  };
+
+  function buildAddOperation(num1, num2) {
+    if (num2.type === "literal" && num2.number === 0) {
+      return num1;
+    }
+
+    if (num1.type === "literal" && num1.number === 0) {
+      return num2;
+    }
+
+    if (num2.type === "literal" && num1.type === "literal") {
+      return new AstLiteral(num1.number + num2.number);
+    }
+
+    return new AstBinaryOperation("+", num1, num2, num1.min + num2.min, num1.max + num2.max);
+  }
+
+  function buildMulOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return new AstLiteral(0);
+      } else if (num2.number === 1) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number * num2.number);
+      }
+    }
+
+    if (num1.type === "literal") {
+      if (num1.number === 0) {
+        return new AstLiteral(0);
+      } else if (num1.number === 1) {
+        return num2;
+      }
+    }
+
+    var min = Math.min(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    var max = Math.max(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    return new AstBinaryOperation("*", num1, num2, min, max);
+  }
+
+  function buildSubOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number - num2.number);
+      }
+    }
+
+    if (num2.type === "binary" && num2.op === "-" && num1.type === "literal" && num1.number === 1 && num2.arg1.type === "literal" && num2.arg1.number === 1) {
+      return num2.arg2;
+    }
+
+    return new AstBinaryOperation("-", num1, num2, num1.min - num2.max, num1.max - num2.min);
+  }
+
+  function buildMinOperation(num1, max) {
+    if (num1.min >= max) {
+      return new AstLiteral(max);
+    } else if (num1.max <= max) {
+      return num1;
+    }
+
+    return new AstMin(num1, max);
+  }
+
+  function PostScriptCompiler() {}
+
+  PostScriptCompiler.prototype = {
+    compile: function PostScriptCompiler_compile(code, domain, range) {
+      var stack = [];
+      var instructions = [];
+      var inputSize = domain.length >> 1,
+          outputSize = range.length >> 1;
+      var lastRegister = 0;
+      var n, j;
+      var num1, num2, ast1, ast2, tmpVar, item;
+
+      for (var i = 0; i < inputSize; i++) {
+        stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1]));
+      }
+
+      for (var _i = 0, ii = code.length; _i < ii; _i++) {
+        item = code[_i];
+
+        if (typeof item === "number") {
+          stack.push(new AstLiteral(item));
+          continue;
+        }
+
+        switch (item) {
+          case "add":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildAddOperation(num1, num2));
+            break;
+
+          case "cvr":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            break;
+
+          case "mul":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildMulOperation(num1, num2));
+            break;
+
+          case "sub":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildSubOperation(num1, num2));
+            break;
+
+          case "exch":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            ast1 = stack.pop();
+            ast2 = stack.pop();
+            stack.push(ast1, ast2);
+            break;
+
+          case "pop":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            stack.pop();
+            break;
+
+          case "index":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            num1 = stack.pop();
+
+            if (num1.type !== "literal") {
+              return null;
+            }
+
+            n = num1.number;
+
+            if (n < 0 || !Number.isInteger(n) || stack.length < n) {
+              return null;
+            }
+
+            ast1 = stack[stack.length - n - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - n - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "dup":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            if (typeof code[_i + 1] === "number" && code[_i + 2] === "gt" && code[_i + 3] === _i + 7 && code[_i + 4] === "jz" && code[_i + 5] === "pop" && code[_i + 6] === code[_i + 1]) {
+              num1 = stack.pop();
+              stack.push(buildMinOperation(num1, code[_i + 1]));
+              _i += 6;
+              break;
+            }
+
+            ast1 = stack[stack.length - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "roll":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+
+            if (num2.type !== "literal" || num1.type !== "literal") {
+              return null;
+            }
+
+            j = num2.number;
+            n = num1.number;
+
+            if (n <= 0 || !Number.isInteger(n) || !Number.isInteger(j) || stack.length < n) {
+              return null;
+            }
+
+            j = (j % n + n) % n;
+
+            if (j === 0) {
+              break;
+            }
+
+            Array.prototype.push.apply(stack, stack.splice(stack.length - n, n - j));
+            break;
+
+          default:
+            return null;
+        }
+      }
+
+      if (stack.length !== outputSize) {
+        return null;
+      }
+
+      var result = [];
+      instructions.forEach(function (instruction) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        instruction.visit(statementBuilder);
+        result.push(statementBuilder.toString());
+      });
+      stack.forEach(function (expr, i) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        expr.visit(statementBuilder);
+        var min = range[i * 2],
+            max = range[i * 2 + 1];
+        var out = [statementBuilder.toString()];
+
+        if (min > expr.min) {
+          out.unshift("Math.max(", min, ", ");
+          out.push(")");
+        }
+
+        if (max < expr.max) {
+          out.unshift("Math.min(", max, ", ");
+          out.push(")");
+        }
+
+        out.unshift("dest[destOffset + ", i, "] = ");
+        out.push(";");
+        result.push(out.join(""));
+      });
+      return result.join("\n");
+    }
+  };
+  return PostScriptCompiler;
+}();
+
+exports.PostScriptCompiler = PostScriptCompiler;
+
+/***/ }),
+/* 238 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PostScriptParser = exports.PostScriptLexer = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _core_utils = __w_pdfjs_require__(205);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PostScriptParser = /*#__PURE__*/function () {
+  function PostScriptParser(lexer) {
+    _classCallCheck(this, PostScriptParser);
+
+    this.lexer = lexer;
+    this.operators = [];
+    this.token = null;
+    this.prev = null;
+  }
+
+  _createClass(PostScriptParser, [{
+    key: "nextToken",
+    value: function nextToken() {
+      this.prev = this.token;
+      this.token = this.lexer.getToken();
+    }
+  }, {
+    key: "accept",
+    value: function accept(type) {
+      if (this.token.type === type) {
+        this.nextToken();
+        return true;
+      }
+
+      return false;
+    }
+  }, {
+    key: "expect",
+    value: function expect(type) {
+      if (this.accept(type)) {
+        return true;
+      }
+
+      throw new _util.FormatError("Unexpected symbol: found ".concat(this.token.type, " expected ").concat(type, "."));
+    }
+  }, {
+    key: "parse",
+    value: function parse() {
+      this.nextToken();
+      this.expect(PostScriptTokenTypes.LBRACE);
+      this.parseBlock();
+      this.expect(PostScriptTokenTypes.RBRACE);
+      return this.operators;
+    }
+  }, {
+    key: "parseBlock",
+    value: function parseBlock() {
+      while (true) {
+        if (this.accept(PostScriptTokenTypes.NUMBER)) {
+          this.operators.push(this.prev.value);
+        } else if (this.accept(PostScriptTokenTypes.OPERATOR)) {
+          this.operators.push(this.prev.value);
+        } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+          this.parseCondition();
+        } else {
+          return;
+        }
+      }
+    }
+  }, {
+    key: "parseCondition",
+    value: function parseCondition() {
+      var conditionLocation = this.operators.length;
+      this.operators.push(null, null);
+      this.parseBlock();
+      this.expect(PostScriptTokenTypes.RBRACE);
+
+      if (this.accept(PostScriptTokenTypes.IF)) {
+        this.operators[conditionLocation] = this.operators.length;
+        this.operators[conditionLocation + 1] = "jz";
+      } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+        var jumpLocation = this.operators.length;
+        this.operators.push(null, null);
+        var endOfTrue = this.operators.length;
+        this.parseBlock();
+        this.expect(PostScriptTokenTypes.RBRACE);
+        this.expect(PostScriptTokenTypes.IFELSE);
+        this.operators[jumpLocation] = this.operators.length;
+        this.operators[jumpLocation + 1] = "j";
+        this.operators[conditionLocation] = endOfTrue;
+        this.operators[conditionLocation + 1] = "jz";
+      } else {
+        throw new _util.FormatError("PS Function: error parsing conditional.");
+      }
+    }
+  }]);
+
+  return PostScriptParser;
+}();
+
+exports.PostScriptParser = PostScriptParser;
+var PostScriptTokenTypes = {
+  LBRACE: 0,
+  RBRACE: 1,
+  NUMBER: 2,
+  OPERATOR: 3,
+  IF: 4,
+  IFELSE: 5
+};
+
+var PostScriptToken = function PostScriptTokenClosure() {
+  var opCache = Object.create(null);
+
+  var PostScriptToken = /*#__PURE__*/function () {
+    function PostScriptToken(type, value) {
+      _classCallCheck(this, PostScriptToken);
+
+      this.type = type;
+      this.value = value;
+    }
+
+    _createClass(PostScriptToken, null, [{
+      key: "getOperator",
+      value: function getOperator(op) {
+        var opValue = opCache[op];
+
+        if (opValue) {
+          return opValue;
+        }
+
+        return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op);
+      }
+    }, {
+      key: "LBRACE",
+      get: function get() {
+        return (0, _util.shadow)(this, "LBRACE", new PostScriptToken(PostScriptTokenTypes.LBRACE, "{"));
+      }
+    }, {
+      key: "RBRACE",
+      get: function get() {
+        return (0, _util.shadow)(this, "RBRACE", new PostScriptToken(PostScriptTokenTypes.RBRACE, "}"));
+      }
+    }, {
+      key: "IF",
+      get: function get() {
+        return (0, _util.shadow)(this, "IF", new PostScriptToken(PostScriptTokenTypes.IF, "IF"));
+      }
+    }, {
+      key: "IFELSE",
+      get: function get() {
+        return (0, _util.shadow)(this, "IFELSE", new PostScriptToken(PostScriptTokenTypes.IFELSE, "IFELSE"));
+      }
+    }]);
+
+    return PostScriptToken;
+  }();
+
+  return PostScriptToken;
+}();
+
+var PostScriptLexer = /*#__PURE__*/function () {
+  function PostScriptLexer(stream) {
+    _classCallCheck(this, PostScriptLexer);
+
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+  }
+
+  _createClass(PostScriptLexer, [{
+    key: "nextChar",
+    value: function nextChar() {
+      return this.currentChar = this.stream.getByte();
+    }
+  }, {
+    key: "getToken",
+    value: function getToken() {
+      var comment = false;
+      var ch = this.currentChar;
+
+      while (true) {
+        if (ch < 0) {
+          return _primitives.EOF;
+        }
+
+        if (comment) {
+          if (ch === 0x0a || ch === 0x0d) {
+            comment = false;
+          }
+        } else if (ch === 0x25) {
+          comment = true;
+        } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+
+      switch (ch | 0) {
+        case 0x30:
+        case 0x31:
+        case 0x32:
+        case 0x33:
+        case 0x34:
+        case 0x35:
+        case 0x36:
+        case 0x37:
+        case 0x38:
+        case 0x39:
+        case 0x2b:
+        case 0x2d:
+        case 0x2e:
+          return new PostScriptToken(PostScriptTokenTypes.NUMBER, this.getNumber());
+
+        case 0x7b:
+          this.nextChar();
+          return PostScriptToken.LBRACE;
+
+        case 0x7d:
+          this.nextChar();
+          return PostScriptToken.RBRACE;
+      }
+
+      var strBuf = this.strBuf;
+      strBuf.length = 0;
+      strBuf[0] = String.fromCharCode(ch);
+
+      while ((ch = this.nextChar()) >= 0 && (ch >= 0x41 && ch <= 0x5a || ch >= 0x61 && ch <= 0x7a)) {
+        strBuf.push(String.fromCharCode(ch));
+      }
+
+      var str = strBuf.join("");
+
+      switch (str.toLowerCase()) {
+        case "if":
+          return PostScriptToken.IF;
+
+        case "ifelse":
+          return PostScriptToken.IFELSE;
+
+        default:
+          return PostScriptToken.getOperator(str);
+      }
+    }
+  }, {
+    key: "getNumber",
+    value: function getNumber() {
+      var ch = this.currentChar;
+      var strBuf = this.strBuf;
+      strBuf.length = 0;
+      strBuf[0] = String.fromCharCode(ch);
+
+      while ((ch = this.nextChar()) >= 0) {
+        if (ch >= 0x30 && ch <= 0x39 || ch === 0x2d || ch === 0x2e) {
+          strBuf.push(String.fromCharCode(ch));
+        } else {
+          break;
+        }
+      }
+
+      var value = parseFloat(strBuf.join(""));
+
+      if (isNaN(value)) {
+        throw new _util.FormatError("Invalid floating point number: ".concat(value));
+      }
+
+      return value;
+    }
+  }]);
+
+  return PostScriptLexer;
+}();
+
+exports.PostScriptLexer = PostScriptLexer;
+
+/***/ }),
+/* 239 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.bidi = bidi;
+
+var _util = __w_pdfjs_require__(5);
+
+var baseTypes = ["BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "S", "B", "S", "WS", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "B", "B", "B", "S", "WS", "ON", "ON", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "ON", "ES", "CS", "ES", "CS", "CS", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "CS", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "BN", "BN", "BN", "BN", "BN", "BN", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "CS", "ON", "ET", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "L", "ON", "ON", "BN", "ON", "ON", "ET", "ET", "EN", "EN", "ON", "L", "ON", "ON", "ON", "EN", "L", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L"];
+var arabicTypes = ["AN", "AN", "AN", "AN", "AN", "AN", "ON", "ON", "AL", "ET", "ET", "AL", "CS", "AL", "ON", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "ET", "AN", "AN", "AL", "AL", "AL", "NSM", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "NSM", "NSM", "ON", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "AL", "AL", "AL", "AL", "AL", "AL"];
+
+function isOdd(i) {
+  return (i & 1) !== 0;
+}
+
+function isEven(i) {
+  return (i & 1) === 0;
+}
+
+function findUnequal(arr, start, value) {
+  for (var j = start, jj = arr.length; j < jj; ++j) {
+    if (arr[j] !== value) {
+      return j;
+    }
+  }
+
+  return j;
+}
+
+function setValues(arr, start, end, value) {
+  for (var j = start; j < end; ++j) {
+    arr[j] = value;
+  }
+}
+
+function reverseValues(arr, start, end) {
+  for (var i = start, j = end - 1; i < j; ++i, --j) {
+    var temp = arr[i];
+    arr[i] = arr[j];
+    arr[j] = temp;
+  }
+}
+
+function createBidiText(str, isLTR) {
+  var vertical = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+  var dir = "ltr";
+
+  if (vertical) {
+    dir = "ttb";
+  } else if (!isLTR) {
+    dir = "rtl";
+  }
+
+  return {
+    str: str,
+    dir: dir
+  };
+}
+
+var chars = [];
+var types = [];
+
+function bidi(str, startLevel, vertical) {
+  var isLTR = true;
+  var strLength = str.length;
+
+  if (strLength === 0 || vertical) {
+    return createBidiText(str, isLTR, vertical);
+  }
+
+  chars.length = strLength;
+  types.length = strLength;
+  var numBidi = 0;
+  var i, ii;
+
+  for (i = 0; i < strLength; ++i) {
+    chars[i] = str.charAt(i);
+    var charCode = str.charCodeAt(i);
+    var charType = "L";
+
+    if (charCode <= 0x00ff) {
+      charType = baseTypes[charCode];
+    } else if (0x0590 <= charCode && charCode <= 0x05f4) {
+      charType = "R";
+    } else if (0x0600 <= charCode && charCode <= 0x06ff) {
+      charType = arabicTypes[charCode & 0xff];
+
+      if (!charType) {
+        (0, _util.warn)("Bidi: invalid Unicode character " + charCode.toString(16));
+      }
+    } else if (0x0700 <= charCode && charCode <= 0x08ac) {
+      charType = "AL";
+    }
+
+    if (charType === "R" || charType === "AL" || charType === "AN") {
+      numBidi++;
+    }
+
+    types[i] = charType;
+  }
+
+  if (numBidi === 0) {
+    isLTR = true;
+    return createBidiText(str, isLTR);
+  }
+
+  if (startLevel === -1) {
+    if (numBidi / strLength < 0.3) {
+      isLTR = true;
+      startLevel = 0;
+    } else {
+      isLTR = false;
+      startLevel = 1;
+    }
+  }
+
+  var levels = [];
+
+  for (i = 0; i < strLength; ++i) {
+    levels[i] = startLevel;
+  }
+
+  var e = isOdd(startLevel) ? "R" : "L";
+  var sor = e;
+  var eor = sor;
+  var lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "NSM") {
+      types[i] = lastType;
+    } else {
+      lastType = types[i];
+    }
+  }
+
+  lastType = sor;
+  var t;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "AL" ? "AN" : "EN";
+    } else if (t === "R" || t === "L" || t === "AL") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "AL") {
+      types[i] = "R";
+    }
+  }
+
+  for (i = 1; i < strLength - 1; ++i) {
+    if (types[i] === "ES" && types[i - 1] === "EN" && types[i + 1] === "EN") {
+      types[i] = "EN";
+    }
+
+    if (types[i] === "CS" && (types[i - 1] === "EN" || types[i - 1] === "AN") && types[i + 1] === types[i - 1]) {
+      types[i] = types[i - 1];
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "EN") {
+      var j;
+
+      for (j = i - 1; j >= 0; --j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+
+      for (j = i + 1; j < strLength; ++j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "WS" || t === "ES" || t === "ET" || t === "CS") {
+      types[i] = "ON";
+    }
+  }
+
+  lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "L" ? "L" : "EN";
+    } else if (t === "R" || t === "L") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      var end = findUnequal(types, i + 1, "ON");
+      var before = sor;
+
+      if (i > 0) {
+        before = types[i - 1];
+      }
+
+      var after = eor;
+
+      if (end + 1 < strLength) {
+        after = types[end + 1];
+      }
+
+      if (before !== "L") {
+        before = "R";
+      }
+
+      if (after !== "L") {
+        after = "R";
+      }
+
+      if (before === after) {
+        setValues(types, i, end, before);
+      }
+
+      i = end - 1;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      types[i] = e;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (isEven(levels[i])) {
+      if (t === "R") {
+        levels[i] += 1;
+      } else if (t === "AN" || t === "EN") {
+        levels[i] += 2;
+      }
+    } else {
+      if (t === "L" || t === "AN" || t === "EN") {
+        levels[i] += 1;
+      }
+    }
+  }
+
+  var highestLevel = -1;
+  var lowestOddLevel = 99;
+  var level;
+
+  for (i = 0, ii = levels.length; i < ii; ++i) {
+    level = levels[i];
+
+    if (highestLevel < level) {
+      highestLevel = level;
+    }
+
+    if (lowestOddLevel > level && isOdd(level)) {
+      lowestOddLevel = level;
+    }
+  }
+
+  for (level = highestLevel; level >= lowestOddLevel; --level) {
+    var start = -1;
+
+    for (i = 0, ii = levels.length; i < ii; ++i) {
+      if (levels[i] < level) {
+        if (start >= 0) {
+          reverseValues(chars, start, i);
+          start = -1;
+        }
+      } else if (start < 0) {
+        start = i;
+      }
+    }
+
+    if (start >= 0) {
+      reverseValues(chars, start, levels.length);
+    }
+  }
+
+  for (i = 0, ii = chars.length; i < ii; ++i) {
+    var ch = chars[i];
+
+    if (ch === "<" || ch === ">") {
+      chars[i] = "";
+    }
+  }
+
+  return createBidiText(chars.join(""), isLTR);
+}
+
+/***/ }),
+/* 240 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getMetrics = void 0;
+
+var _core_utils = __w_pdfjs_require__(205);
+
+var getMetrics = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Courier = 600;
+  t["Courier-Bold"] = 600;
+  t["Courier-BoldOblique"] = 600;
+  t["Courier-Oblique"] = 600;
+  t.Helvetica = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-BoldOblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Oblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t.Symbol = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.universal = 713;
+    t.numbersign = 500;
+    t.existential = 549;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.suchthat = 439;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asteriskmath = 500;
+    t.plus = 549;
+    t.comma = 250;
+    t.minus = 549;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 549;
+    t.equal = 549;
+    t.greater = 549;
+    t.question = 444;
+    t.congruent = 549;
+    t.Alpha = 722;
+    t.Beta = 667;
+    t.Chi = 722;
+    t.Delta = 612;
+    t.Epsilon = 611;
+    t.Phi = 763;
+    t.Gamma = 603;
+    t.Eta = 722;
+    t.Iota = 333;
+    t.theta1 = 631;
+    t.Kappa = 722;
+    t.Lambda = 686;
+    t.Mu = 889;
+    t.Nu = 722;
+    t.Omicron = 722;
+    t.Pi = 768;
+    t.Theta = 741;
+    t.Rho = 556;
+    t.Sigma = 592;
+    t.Tau = 611;
+    t.Upsilon = 690;
+    t.sigma1 = 439;
+    t.Omega = 768;
+    t.Xi = 645;
+    t.Psi = 795;
+    t.Zeta = 611;
+    t.bracketleft = 333;
+    t.therefore = 863;
+    t.bracketright = 333;
+    t.perpendicular = 658;
+    t.underscore = 500;
+    t.radicalex = 500;
+    t.alpha = 631;
+    t.beta = 549;
+    t.chi = 549;
+    t.delta = 494;
+    t.epsilon = 439;
+    t.phi = 521;
+    t.gamma = 411;
+    t.eta = 603;
+    t.iota = 329;
+    t.phi1 = 603;
+    t.kappa = 549;
+    t.lambda = 549;
+    t.mu = 576;
+    t.nu = 521;
+    t.omicron = 549;
+    t.pi = 549;
+    t.theta = 521;
+    t.rho = 549;
+    t.sigma = 603;
+    t.tau = 439;
+    t.upsilon = 576;
+    t.omega1 = 713;
+    t.omega = 686;
+    t.xi = 493;
+    t.psi = 686;
+    t.zeta = 494;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.similar = 549;
+    t.Euro = 750;
+    t.Upsilon1 = 620;
+    t.minute = 247;
+    t.lessequal = 549;
+    t.fraction = 167;
+    t.infinity = 713;
+    t.florin = 500;
+    t.club = 753;
+    t.diamond = 753;
+    t.heart = 753;
+    t.spade = 753;
+    t.arrowboth = 1042;
+    t.arrowleft = 987;
+    t.arrowup = 603;
+    t.arrowright = 987;
+    t.arrowdown = 603;
+    t.degree = 400;
+    t.plusminus = 549;
+    t.second = 411;
+    t.greaterequal = 549;
+    t.multiply = 549;
+    t.proportional = 713;
+    t.partialdiff = 494;
+    t.bullet = 460;
+    t.divide = 549;
+    t.notequal = 549;
+    t.equivalence = 549;
+    t.approxequal = 549;
+    t.ellipsis = 1000;
+    t.arrowvertex = 603;
+    t.arrowhorizex = 1000;
+    t.carriagereturn = 658;
+    t.aleph = 823;
+    t.Ifraktur = 686;
+    t.Rfraktur = 795;
+    t.weierstrass = 987;
+    t.circlemultiply = 768;
+    t.circleplus = 768;
+    t.emptyset = 823;
+    t.intersection = 768;
+    t.union = 768;
+    t.propersuperset = 713;
+    t.reflexsuperset = 713;
+    t.notsubset = 713;
+    t.propersubset = 713;
+    t.reflexsubset = 713;
+    t.element = 713;
+    t.notelement = 713;
+    t.angle = 768;
+    t.gradient = 713;
+    t.registerserif = 790;
+    t.copyrightserif = 790;
+    t.trademarkserif = 890;
+    t.product = 823;
+    t.radical = 549;
+    t.dotmath = 250;
+    t.logicalnot = 713;
+    t.logicaland = 603;
+    t.logicalor = 603;
+    t.arrowdblboth = 1042;
+    t.arrowdblleft = 987;
+    t.arrowdblup = 603;
+    t.arrowdblright = 987;
+    t.arrowdbldown = 603;
+    t.lozenge = 494;
+    t.angleleft = 329;
+    t.registersans = 790;
+    t.copyrightsans = 790;
+    t.trademarksans = 786;
+    t.summation = 713;
+    t.parenlefttp = 384;
+    t.parenleftex = 384;
+    t.parenleftbt = 384;
+    t.bracketlefttp = 384;
+    t.bracketleftex = 384;
+    t.bracketleftbt = 384;
+    t.bracelefttp = 494;
+    t.braceleftmid = 494;
+    t.braceleftbt = 494;
+    t.braceex = 494;
+    t.angleright = 329;
+    t.integral = 274;
+    t.integraltp = 686;
+    t.integralex = 686;
+    t.integralbt = 686;
+    t.parenrighttp = 384;
+    t.parenrightex = 384;
+    t.parenrightbt = 384;
+    t.bracketrighttp = 384;
+    t.bracketrightex = 384;
+    t.bracketrightbt = 384;
+    t.bracerighttp = 494;
+    t.bracerightmid = 494;
+    t.bracerightbt = 494;
+    t.apple = 790;
+  });
+  t["Times-Roman"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 408;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 564;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 564;
+    t.equal = 564;
+    t.greater = 564;
+    t.question = 444;
+    t.at = 921;
+    t.A = 722;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 556;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 389;
+    t.K = 722;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 556;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 722;
+    t.W = 944;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 469;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 444;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 333;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.asciitilde = 541;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 180;
+    t.quotedblleft = 444;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 453;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 444;
+    t.quotedblright = 444;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 444;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 889;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 444;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 564;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 444;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 444;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 444;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 444;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 444;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 444;
+    t.Amacron = 722;
+    t.rcaron = 333;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 556;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 588;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 564;
+    t.uacute = 500;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 444;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 722;
+    t.Iacute = 333;
+    t.plusminus = 564;
+    t.brokenbar = 200;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 333;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 326;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 444;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 344;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 722;
+    t.zdotaccent = 444;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 500;
+    t.minus = 564;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 564;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 1000;
+    t.ampersand = 833;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 930;
+    t.A = 722;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 778;
+    t.L = 667;
+    t.M = 944;
+    t.N = 722;
+    t.O = 778;
+    t.P = 611;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 556;
+    t.T = 667;
+    t.U = 722;
+    t.V = 722;
+    t.W = 1000;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 667;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 581;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 556;
+    t.c = 444;
+    t.d = 556;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 333;
+    t.k = 556;
+    t.l = 278;
+    t.m = 833;
+    t.n = 556;
+    t.o = 500;
+    t.p = 556;
+    t.q = 556;
+    t.r = 444;
+    t.s = 389;
+    t.t = 333;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 394;
+    t.bar = 220;
+    t.braceright = 394;
+    t.asciitilde = 520;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 540;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 300;
+    t.Lslash = 667;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 330;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 556;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 570;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 667;
+    t.Cacute = 722;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 722;
+    t.rcaron = 444;
+    t.ccedilla = 444;
+    t.Zdotaccent = 667;
+    t.Thorn = 611;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 556;
+    t.dcaron = 672;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 667;
+    t.partialdiff = 494;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 778;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 444;
+    t.omacron = 500;
+    t.Zacute = 667;
+    t.Zcaron = 667;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 416;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 300;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 394;
+    t.Kcommaaccent = 778;
+    t.Lacute = 667;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 667;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 444;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 667;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 444;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 556;
+    t.minus = 570;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 333;
+    t.logicalnot = 570;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-BoldItalic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 389;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 832;
+    t.A = 667;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 667;
+    t.F = 667;
+    t.G = 722;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 667;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 889;
+    t.X = 667;
+    t.Y = 611;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 570;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 556;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 556;
+    t.v = 444;
+    t.w = 667;
+    t.x = 500;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 348;
+    t.bar = 220;
+    t.braceright = 348;
+    t.asciitilde = 570;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 500;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 944;
+    t.ordfeminine = 266;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 300;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 611;
+    t.divide = 570;
+    t.Yacute = 611;
+    t.Acircumflex = 667;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 667;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 608;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 444;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 722;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 366;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 576;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 382;
+    t.Kcommaaccent = 667;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 500;
+    t.minus = 606;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 606;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Italic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 420;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 675;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 675;
+    t.equal = 675;
+    t.greater = 675;
+    t.question = 500;
+    t.at = 920;
+    t.A = 611;
+    t.B = 611;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 611;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 444;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 667;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 611;
+    t.S = 500;
+    t.T = 556;
+    t.U = 722;
+    t.V = 611;
+    t.W = 833;
+    t.X = 611;
+    t.Y = 556;
+    t.Z = 556;
+    t.bracketleft = 389;
+    t.backslash = 278;
+    t.bracketright = 389;
+    t.asciicircum = 422;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 278;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 444;
+    t.l = 278;
+    t.m = 722;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 444;
+    t.w = 667;
+    t.x = 444;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 400;
+    t.bar = 275;
+    t.braceright = 400;
+    t.asciitilde = 541;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 214;
+    t.quotedblleft = 556;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 523;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 556;
+    t.quotedblright = 556;
+    t.guillemotright = 500;
+    t.ellipsis = 889;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 889;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 556;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 667;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 556;
+    t.divide = 675;
+    t.Yacute = 556;
+    t.Acircumflex = 611;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 667;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 556;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 611;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 500;
+    t.Amacron = 611;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 556;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 611;
+    t.Sacute = 500;
+    t.dcaron = 544;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 611;
+    t.Abreve = 611;
+    t.multiply = 675;
+    t.uacute = 500;
+    t.Tcaron = 556;
+    t.partialdiff = 476;
+    t.ydieresis = 444;
+    t.Nacute = 667;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 667;
+    t.Iacute = 333;
+    t.plusminus = 675;
+    t.brokenbar = 275;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 556;
+    t.Zcaron = 556;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 300;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 611;
+    t.Adieresis = 611;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 500;
+    t.lcaron = 300;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 500;
+    t.Scommaaccent = 500;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 667;
+    t.otilde = 500;
+    t.Rcommaaccent = 611;
+    t.Lcommaaccent = 556;
+    t.Atilde = 611;
+    t.Aogonek = 611;
+    t.Aring = 611;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 444;
+    t.minus = 675;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 675;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t.ZapfDingbats = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.a1 = 974;
+    t.a2 = 961;
+    t.a202 = 974;
+    t.a3 = 980;
+    t.a4 = 719;
+    t.a5 = 789;
+    t.a119 = 790;
+    t.a118 = 791;
+    t.a117 = 690;
+    t.a11 = 960;
+    t.a12 = 939;
+    t.a13 = 549;
+    t.a14 = 855;
+    t.a15 = 911;
+    t.a16 = 933;
+    t.a105 = 911;
+    t.a17 = 945;
+    t.a18 = 974;
+    t.a19 = 755;
+    t.a20 = 846;
+    t.a21 = 762;
+    t.a22 = 761;
+    t.a23 = 571;
+    t.a24 = 677;
+    t.a25 = 763;
+    t.a26 = 760;
+    t.a27 = 759;
+    t.a28 = 754;
+    t.a6 = 494;
+    t.a7 = 552;
+    t.a8 = 537;
+    t.a9 = 577;
+    t.a10 = 692;
+    t.a29 = 786;
+    t.a30 = 788;
+    t.a31 = 788;
+    t.a32 = 790;
+    t.a33 = 793;
+    t.a34 = 794;
+    t.a35 = 816;
+    t.a36 = 823;
+    t.a37 = 789;
+    t.a38 = 841;
+    t.a39 = 823;
+    t.a40 = 833;
+    t.a41 = 816;
+    t.a42 = 831;
+    t.a43 = 923;
+    t.a44 = 744;
+    t.a45 = 723;
+    t.a46 = 749;
+    t.a47 = 790;
+    t.a48 = 792;
+    t.a49 = 695;
+    t.a50 = 776;
+    t.a51 = 768;
+    t.a52 = 792;
+    t.a53 = 759;
+    t.a54 = 707;
+    t.a55 = 708;
+    t.a56 = 682;
+    t.a57 = 701;
+    t.a58 = 826;
+    t.a59 = 815;
+    t.a60 = 789;
+    t.a61 = 789;
+    t.a62 = 707;
+    t.a63 = 687;
+    t.a64 = 696;
+    t.a65 = 689;
+    t.a66 = 786;
+    t.a67 = 787;
+    t.a68 = 713;
+    t.a69 = 791;
+    t.a70 = 785;
+    t.a71 = 791;
+    t.a72 = 873;
+    t.a73 = 761;
+    t.a74 = 762;
+    t.a203 = 762;
+    t.a75 = 759;
+    t.a204 = 759;
+    t.a76 = 892;
+    t.a77 = 892;
+    t.a78 = 788;
+    t.a79 = 784;
+    t.a81 = 438;
+    t.a82 = 138;
+    t.a83 = 277;
+    t.a84 = 415;
+    t.a97 = 392;
+    t.a98 = 392;
+    t.a99 = 668;
+    t.a100 = 668;
+    t.a89 = 390;
+    t.a90 = 390;
+    t.a93 = 317;
+    t.a94 = 317;
+    t.a91 = 276;
+    t.a92 = 276;
+    t.a205 = 509;
+    t.a85 = 509;
+    t.a206 = 410;
+    t.a86 = 410;
+    t.a87 = 234;
+    t.a88 = 234;
+    t.a95 = 334;
+    t.a96 = 334;
+    t.a101 = 732;
+    t.a102 = 544;
+    t.a103 = 544;
+    t.a104 = 910;
+    t.a106 = 667;
+    t.a107 = 760;
+    t.a108 = 760;
+    t.a112 = 776;
+    t.a111 = 595;
+    t.a110 = 694;
+    t.a109 = 626;
+    t.a120 = 788;
+    t.a121 = 788;
+    t.a122 = 788;
+    t.a123 = 788;
+    t.a124 = 788;
+    t.a125 = 788;
+    t.a126 = 788;
+    t.a127 = 788;
+    t.a128 = 788;
+    t.a129 = 788;
+    t.a130 = 788;
+    t.a131 = 788;
+    t.a132 = 788;
+    t.a133 = 788;
+    t.a134 = 788;
+    t.a135 = 788;
+    t.a136 = 788;
+    t.a137 = 788;
+    t.a138 = 788;
+    t.a139 = 788;
+    t.a140 = 788;
+    t.a141 = 788;
+    t.a142 = 788;
+    t.a143 = 788;
+    t.a144 = 788;
+    t.a145 = 788;
+    t.a146 = 788;
+    t.a147 = 788;
+    t.a148 = 788;
+    t.a149 = 788;
+    t.a150 = 788;
+    t.a151 = 788;
+    t.a152 = 788;
+    t.a153 = 788;
+    t.a154 = 788;
+    t.a155 = 788;
+    t.a156 = 788;
+    t.a157 = 788;
+    t.a158 = 788;
+    t.a159 = 788;
+    t.a160 = 894;
+    t.a161 = 838;
+    t.a163 = 1016;
+    t.a164 = 458;
+    t.a196 = 748;
+    t.a165 = 924;
+    t.a192 = 748;
+    t.a166 = 918;
+    t.a167 = 927;
+    t.a168 = 928;
+    t.a169 = 928;
+    t.a170 = 834;
+    t.a171 = 873;
+    t.a172 = 828;
+    t.a173 = 924;
+    t.a162 = 924;
+    t.a174 = 917;
+    t.a175 = 930;
+    t.a176 = 931;
+    t.a177 = 463;
+    t.a178 = 883;
+    t.a179 = 836;
+    t.a193 = 836;
+    t.a180 = 867;
+    t.a199 = 867;
+    t.a181 = 696;
+    t.a200 = 696;
+    t.a182 = 874;
+    t.a201 = 874;
+    t.a183 = 760;
+    t.a184 = 946;
+    t.a197 = 771;
+    t.a185 = 865;
+    t.a194 = 771;
+    t.a198 = 888;
+    t.a186 = 967;
+    t.a195 = 888;
+    t.a187 = 831;
+    t.a188 = 873;
+    t.a189 = 927;
+    t.a190 = 970;
+    t.a191 = 918;
+  });
+});
+exports.getMetrics = getMetrics;
+
+/***/ }),
+/* 241 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MurmurHash3_64 = void 0;
+
+var _util = __w_pdfjs_require__(5);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var SEED = 0xc3d2e1f0;
+var MASK_HIGH = 0xffff0000;
+var MASK_LOW = 0xffff;
+
+var MurmurHash3_64 = /*#__PURE__*/function () {
+  function MurmurHash3_64(seed) {
+    _classCallCheck(this, MurmurHash3_64);
+
+    this.h1 = seed ? seed & 0xffffffff : SEED;
+    this.h2 = seed ? seed & 0xffffffff : SEED;
+  }
+
+  _createClass(MurmurHash3_64, [{
+    key: "update",
+    value: function update(input) {
+      var data, length;
+
+      if ((0, _util.isString)(input)) {
+        data = new Uint8Array(input.length * 2);
+        length = 0;
+
+        for (var i = 0, ii = input.length; i < ii; i++) {
+          var code = input.charCodeAt(i);
+
+          if (code <= 0xff) {
+            data[length++] = code;
+          } else {
+            data[length++] = code >>> 8;
+            data[length++] = code & 0xff;
+          }
+        }
+      } else if ((0, _util.isArrayBuffer)(input)) {
+        data = input;
+        length = data.byteLength;
+      } else {
+        throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
+      }
+
+      var blockCounts = length >> 2;
+      var tailLength = length - blockCounts * 4;
+      var dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
+      var k1 = 0,
+          k2 = 0;
+      var h1 = this.h1,
+          h2 = this.h2;
+      var C1 = 0xcc9e2d51,
+          C2 = 0x1b873593;
+      var C1_LOW = C1 & MASK_LOW,
+          C2_LOW = C2 & MASK_LOW;
+
+      for (var _i = 0; _i < blockCounts; _i++) {
+        if (_i & 1) {
+          k1 = dataUint32[_i];
+          k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+          k1 = k1 << 15 | k1 >>> 17;
+          k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+          h1 ^= k1;
+          h1 = h1 << 13 | h1 >>> 19;
+          h1 = h1 * 5 + 0xe6546b64;
+        } else {
+          k2 = dataUint32[_i];
+          k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
+          k2 = k2 << 15 | k2 >>> 17;
+          k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
+          h2 ^= k2;
+          h2 = h2 << 13 | h2 >>> 19;
+          h2 = h2 * 5 + 0xe6546b64;
+        }
+      }
+
+      k1 = 0;
+
+      switch (tailLength) {
+        case 3:
+          k1 ^= data[blockCounts * 4 + 2] << 16;
+
+        case 2:
+          k1 ^= data[blockCounts * 4 + 1] << 8;
+
+        case 1:
+          k1 ^= data[blockCounts * 4];
+          k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+          k1 = k1 << 15 | k1 >>> 17;
+          k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+
+          if (blockCounts & 1) {
+            h1 ^= k1;
+          } else {
+            h2 ^= k1;
+          }
+
+      }
+
+      this.h1 = h1;
+      this.h2 = h2;
+    }
+  }, {
+    key: "hexdigest",
+    value: function hexdigest() {
+      var h1 = this.h1,
+          h2 = this.h2;
+      h1 ^= h2 >>> 1;
+      h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
+      h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
+      h1 ^= h2 >>> 1;
+      h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
+      h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
+      h1 ^= h2 >>> 1;
+      var hex1 = (h1 >>> 0).toString(16),
+          hex2 = (h2 >>> 0).toString(16);
+      return hex1.padStart(8, "0") + hex2.padStart(8, "0");
+    }
+  }]);
+
+  return MurmurHash3_64;
+}();
+
+exports.MurmurHash3_64 = MurmurHash3_64;
+
+/***/ }),
+/* 242 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFImage = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+var _primitives = __w_pdfjs_require__(202);
+
+var _colorspace = __w_pdfjs_require__(220);
+
+var _stream = __w_pdfjs_require__(209);
+
+var _jpeg_stream = __w_pdfjs_require__(215);
+
+var _jpx = __w_pdfjs_require__(218);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function decodeAndClamp(value, addend, coefficient, max) {
+  value = addend + value * coefficient;
+
+  if (value < 0) {
+    value = 0;
+  } else if (value > max) {
+    value = max;
+  }
+
+  return value;
+}
+
+function resizeImageMask(src, bpc, w1, h1, w2, h2) {
+  var length = w2 * h2;
+  var dest;
+
+  if (bpc <= 8) {
+    dest = new Uint8Array(length);
+  } else if (bpc <= 16) {
+    dest = new Uint16Array(length);
+  } else {
+    dest = new Uint32Array(length);
+  }
+
+  var xRatio = w1 / w2;
+  var yRatio = h1 / h2;
+  var i,
+      j,
+      py,
+      newIndex = 0,
+      oldIndex;
+  var xScaled = new Uint16Array(w2);
+  var w1Scanline = w1;
+
+  for (i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio);
+  }
+
+  for (i = 0; i < h2; i++) {
+    py = Math.floor(i * yRatio) * w1Scanline;
+
+    for (j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex];
+    }
+  }
+
+  return dest;
+}
+
+var PDFImage = /*#__PURE__*/function () {
+  function PDFImage(_ref) {
+    var xref = _ref.xref,
+        res = _ref.res,
+        image = _ref.image,
+        _ref$isInline = _ref.isInline,
+        isInline = _ref$isInline === void 0 ? false : _ref$isInline,
+        _ref$smask = _ref.smask,
+        smask = _ref$smask === void 0 ? null : _ref$smask,
+        _ref$mask = _ref.mask,
+        mask = _ref$mask === void 0 ? null : _ref$mask,
+        _ref$isMask = _ref.isMask,
+        isMask = _ref$isMask === void 0 ? false : _ref$isMask,
+        pdfFunctionFactory = _ref.pdfFunctionFactory,
+        localColorSpaceCache = _ref.localColorSpaceCache;
+
+    _classCallCheck(this, PDFImage);
+
+    this.image = image;
+    var dict = image.dict;
+    var filter = dict.get("Filter");
+
+    if ((0, _primitives.isName)(filter)) {
+      switch (filter.name) {
+        case "JPXDecode":
+          var jpxImage = new _jpx.JpxImage();
+          jpxImage.parseImageProperties(image.stream);
+          image.stream.reset();
+          image.width = jpxImage.width;
+          image.height = jpxImage.height;
+          image.bitsPerComponent = jpxImage.bitsPerComponent;
+          image.numComps = jpxImage.componentsCount;
+          break;
+
+        case "JBIG2Decode":
+          image.bitsPerComponent = 1;
+          image.numComps = 1;
+          break;
+      }
+    }
+
+    var width = dict.get("Width", "W");
+    var height = dict.get("Height", "H");
+
+    if (Number.isInteger(image.width) && image.width > 0 && Number.isInteger(image.height) && image.height > 0 && (image.width !== width || image.height !== height)) {
+      (0, _util.warn)("PDFImage - using the Width/Height of the image data, " + "rather than the image dictionary.");
+      width = image.width;
+      height = image.height;
+    }
+
+    if (width < 1 || height < 1) {
+      throw new _util.FormatError("Invalid image width: ".concat(width, " or height: ").concat(height));
+    }
+
+    this.width = width;
+    this.height = height;
+    this.interpolate = dict.get("Interpolate", "I") || false;
+    this.imageMask = dict.get("ImageMask", "IM") || false;
+    this.matte = dict.get("Matte") || false;
+    var bitsPerComponent = image.bitsPerComponent;
+
+    if (!bitsPerComponent) {
+      bitsPerComponent = dict.get("BitsPerComponent", "BPC");
+
+      if (!bitsPerComponent) {
+        if (this.imageMask) {
+          bitsPerComponent = 1;
+        } else {
+          throw new _util.FormatError("Bits per component missing in image: ".concat(this.imageMask));
+        }
+      }
+    }
+
+    this.bpc = bitsPerComponent;
+
+    if (!this.imageMask) {
+      var colorSpace = dict.getRaw("ColorSpace") || dict.getRaw("CS");
+
+      if (!colorSpace) {
+        (0, _util.info)("JPX images (which do not require color spaces)");
+
+        switch (image.numComps) {
+          case 1:
+            colorSpace = _primitives.Name.get("DeviceGray");
+            break;
+
+          case 3:
+            colorSpace = _primitives.Name.get("DeviceRGB");
+            break;
+
+          case 4:
+            colorSpace = _primitives.Name.get("DeviceCMYK");
+            break;
+
+          default:
+            throw new Error("JPX images with ".concat(image.numComps, " ") + "color components not supported.");
+        }
+      }
+
+      this.colorSpace = _colorspace.ColorSpace.parse({
+        cs: colorSpace,
+        xref: xref,
+        resources: isInline ? res : null,
+        pdfFunctionFactory: pdfFunctionFactory,
+        localColorSpaceCache: localColorSpaceCache
+      });
+      this.numComps = this.colorSpace.numComps;
+    }
+
+    this.decode = dict.getArray("Decode", "D");
+    this.needsDecode = false;
+
+    if (this.decode && (this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode, bitsPerComponent) || isMask && !_colorspace.ColorSpace.isDefaultDecode(this.decode, 1))) {
+      this.needsDecode = true;
+      var max = (1 << bitsPerComponent) - 1;
+      this.decodeCoefficients = [];
+      this.decodeAddends = [];
+      var isIndexed = this.colorSpace && this.colorSpace.name === "Indexed";
+
+      for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) {
+        var dmin = this.decode[i];
+        var dmax = this.decode[i + 1];
+        this.decodeCoefficients[j] = isIndexed ? (dmax - dmin) / max : dmax - dmin;
+        this.decodeAddends[j] = isIndexed ? dmin : max * dmin;
+      }
+    }
+
+    if (smask) {
+      this.smask = new PDFImage({
+        xref: xref,
+        res: res,
+        image: smask,
+        isInline: isInline,
+        pdfFunctionFactory: pdfFunctionFactory,
+        localColorSpaceCache: localColorSpaceCache
+      });
+    } else if (mask) {
+      if ((0, _primitives.isStream)(mask)) {
+        var maskDict = mask.dict,
+            imageMask = maskDict.get("ImageMask", "IM");
+
+        if (!imageMask) {
+          (0, _util.warn)("Ignoring /Mask in image without /ImageMask.");
+        } else {
+          this.mask = new PDFImage({
+            xref: xref,
+            res: res,
+            image: mask,
+            isInline: isInline,
+            isMask: true,
+            pdfFunctionFactory: pdfFunctionFactory,
+            localColorSpaceCache: localColorSpaceCache
+          });
+        }
+      } else {
+        this.mask = mask;
+      }
+    }
+  }
+
+  _createClass(PDFImage, [{
+    key: "decodeBuffer",
+    value: function decodeBuffer(buffer) {
+      var bpc = this.bpc;
+      var numComps = this.numComps;
+      var decodeAddends = this.decodeAddends;
+      var decodeCoefficients = this.decodeCoefficients;
+      var max = (1 << bpc) - 1;
+      var i, ii;
+
+      if (bpc === 1) {
+        for (i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = +!buffer[i];
+        }
+
+        return;
+      }
+
+      var index = 0;
+
+      for (i = 0, ii = this.width * this.height; i < ii; i++) {
+        for (var j = 0; j < numComps; j++) {
+          buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], decodeCoefficients[j], max);
+          index++;
+        }
+      }
+    }
+  }, {
+    key: "getComponents",
+    value: function getComponents(buffer) {
+      var bpc = this.bpc;
+
+      if (bpc === 8) {
+        return buffer;
+      }
+
+      var width = this.width;
+      var height = this.height;
+      var numComps = this.numComps;
+      var length = width * height * numComps;
+      var bufferPos = 0;
+      var output;
+
+      if (bpc <= 8) {
+        output = new Uint8Array(length);
+      } else if (bpc <= 16) {
+        output = new Uint16Array(length);
+      } else {
+        output = new Uint32Array(length);
+      }
+
+      var rowComps = width * numComps;
+      var max = (1 << bpc) - 1;
+      var i = 0,
+          ii,
+          buf;
+
+      if (bpc === 1) {
+        var mask, loop1End, loop2End;
+
+        for (var j = 0; j < height; j++) {
+          loop1End = i + (rowComps & ~7);
+          loop2End = i + rowComps;
+
+          while (i < loop1End) {
+            buf = buffer[bufferPos++];
+            output[i] = buf >> 7 & 1;
+            output[i + 1] = buf >> 6 & 1;
+            output[i + 2] = buf >> 5 & 1;
+            output[i + 3] = buf >> 4 & 1;
+            output[i + 4] = buf >> 3 & 1;
+            output[i + 5] = buf >> 2 & 1;
+            output[i + 6] = buf >> 1 & 1;
+            output[i + 7] = buf & 1;
+            i += 8;
+          }
+
+          if (i < loop2End) {
+            buf = buffer[bufferPos++];
+            mask = 128;
+
+            while (i < loop2End) {
+              output[i++] = +!!(buf & mask);
+              mask >>= 1;
+            }
+          }
+        }
+      } else {
+        var bits = 0;
+        buf = 0;
+
+        for (i = 0, ii = length; i < ii; ++i) {
+          if (i % rowComps === 0) {
+            buf = 0;
+            bits = 0;
+          }
+
+          while (bits < bpc) {
+            buf = buf << 8 | buffer[bufferPos++];
+            bits += 8;
+          }
+
+          var remainingBits = bits - bpc;
+          var value = buf >> remainingBits;
+
+          if (value < 0) {
+            value = 0;
+          } else if (value > max) {
+            value = max;
+          }
+
+          output[i] = value;
+          buf = buf & (1 << remainingBits) - 1;
+          bits = remainingBits;
+        }
+      }
+
+      return output;
+    }
+  }, {
+    key: "fillOpacity",
+    value: function fillOpacity(rgbaBuf, width, height, actualHeight, image) {
+      var smask = this.smask;
+      var mask = this.mask;
+      var alphaBuf, sw, sh, i, ii, j;
+
+      if (smask) {
+        sw = smask.width;
+        sh = smask.height;
+        alphaBuf = new Uint8ClampedArray(sw * sh);
+        smask.fillGrayBuffer(alphaBuf);
+
+        if (sw !== width || sh !== height) {
+          alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height);
+        }
+      } else if (mask) {
+        if (mask instanceof PDFImage) {
+          sw = mask.width;
+          sh = mask.height;
+          alphaBuf = new Uint8ClampedArray(sw * sh);
+          mask.numComps = 1;
+          mask.fillGrayBuffer(alphaBuf);
+
+          for (i = 0, ii = sw * sh; i < ii; ++i) {
+            alphaBuf[i] = 255 - alphaBuf[i];
+          }
+
+          if (sw !== width || sh !== height) {
+            alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height);
+          }
+        } else if (Array.isArray(mask)) {
+          alphaBuf = new Uint8ClampedArray(width * height);
+          var numComps = this.numComps;
+
+          for (i = 0, ii = width * height; i < ii; ++i) {
+            var opacity = 0;
+            var imageOffset = i * numComps;
+
+            for (j = 0; j < numComps; ++j) {
+              var color = image[imageOffset + j];
+              var maskOffset = j * 2;
+
+              if (color < mask[maskOffset] || color > mask[maskOffset + 1]) {
+                opacity = 255;
+                break;
+              }
+            }
+
+            alphaBuf[i] = opacity;
+          }
+        } else {
+          throw new _util.FormatError("Unknown mask format.");
+        }
+      }
+
+      if (alphaBuf) {
+        for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+          rgbaBuf[j] = alphaBuf[i];
+        }
+      } else {
+        for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+          rgbaBuf[j] = 255;
+        }
+      }
+    }
+  }, {
+    key: "undoPreblend",
+    value: function undoPreblend(buffer, width, height) {
+      var matte = this.smask && this.smask.matte;
+
+      if (!matte) {
+        return;
+      }
+
+      var matteRgb = this.colorSpace.getRgb(matte, 0);
+      var matteR = matteRgb[0];
+      var matteG = matteRgb[1];
+      var matteB = matteRgb[2];
+      var length = width * height * 4;
+
+      for (var i = 0; i < length; i += 4) {
+        var alpha = buffer[i + 3];
+
+        if (alpha === 0) {
+          buffer[i] = 255;
+          buffer[i + 1] = 255;
+          buffer[i + 2] = 255;
+          continue;
+        }
+
+        var k = 255 / alpha;
+        buffer[i] = (buffer[i] - matteR) * k + matteR;
+        buffer[i + 1] = (buffer[i + 1] - matteG) * k + matteG;
+        buffer[i + 2] = (buffer[i + 2] - matteB) * k + matteB;
+      }
+    }
+  }, {
+    key: "createImageData",
+    value: function createImageData() {
+      var forceRGBA = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var drawWidth = this.drawWidth;
+      var drawHeight = this.drawHeight;
+      var imgData = {
+        width: drawWidth,
+        height: drawHeight,
+        kind: 0,
+        data: null
+      };
+      var numComps = this.numComps;
+      var originalWidth = this.width;
+      var originalHeight = this.height;
+      var bpc = this.bpc;
+      var rowBytes = originalWidth * numComps * bpc + 7 >> 3;
+      var imgArray;
+
+      if (!forceRGBA) {
+        var kind;
+
+        if (this.colorSpace.name === "DeviceGray" && bpc === 1) {
+          kind = _util.ImageKind.GRAYSCALE_1BPP;
+        } else if (this.colorSpace.name === "DeviceRGB" && bpc === 8 && !this.needsDecode) {
+          kind = _util.ImageKind.RGB_24BPP;
+        }
+
+        if (kind && !this.smask && !this.mask && drawWidth === originalWidth && drawHeight === originalHeight) {
+          imgData.kind = kind;
+          imgArray = this.getImageBytes(originalHeight * rowBytes);
+
+          if (this.image instanceof _stream.DecodeStream) {
+            imgData.data = imgArray;
+          } else {
+            var newArray = new Uint8ClampedArray(imgArray.length);
+            newArray.set(imgArray);
+            imgData.data = newArray;
+          }
+
+          if (this.needsDecode) {
+            (0, _util.assert)(kind === _util.ImageKind.GRAYSCALE_1BPP, "PDFImage.createImageData: The image must be grayscale.");
+            var buffer = imgData.data;
+
+            for (var i = 0, ii = buffer.length; i < ii; i++) {
+              buffer[i] ^= 0xff;
+            }
+          }
+
+          return imgData;
+        }
+
+        if (this.image instanceof _jpeg_stream.JpegStream && !this.smask && !this.mask) {
+          var imageLength = originalHeight * rowBytes;
+
+          switch (this.colorSpace.name) {
+            case "DeviceGray":
+              imageLength *= 3;
+
+            case "DeviceRGB":
+            case "DeviceCMYK":
+              imgData.kind = _util.ImageKind.RGB_24BPP;
+              imgData.data = this.getImageBytes(imageLength, drawWidth, drawHeight, true);
+              return imgData;
+          }
+        }
+      }
+
+      imgArray = this.getImageBytes(originalHeight * rowBytes);
+      var actualHeight = 0 | imgArray.length / rowBytes * drawHeight / originalHeight;
+      var comps = this.getComponents(imgArray);
+      var alpha01, maybeUndoPreblend;
+
+      if (!forceRGBA && !this.smask && !this.mask) {
+        imgData.kind = _util.ImageKind.RGB_24BPP;
+        imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 3);
+        alpha01 = 0;
+        maybeUndoPreblend = false;
+      } else {
+        imgData.kind = _util.ImageKind.RGBA_32BPP;
+        imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 4);
+        alpha01 = 1;
+        maybeUndoPreblend = true;
+        this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, comps);
+      }
+
+      if (this.needsDecode) {
+        this.decodeBuffer(comps);
+      }
+
+      this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, drawWidth, drawHeight, actualHeight, bpc, comps, alpha01);
+
+      if (maybeUndoPreblend) {
+        this.undoPreblend(imgData.data, drawWidth, actualHeight);
+      }
+
+      return imgData;
+    }
+  }, {
+    key: "fillGrayBuffer",
+    value: function fillGrayBuffer(buffer) {
+      var numComps = this.numComps;
+
+      if (numComps !== 1) {
+        throw new _util.FormatError("Reading gray scale from a color image: ".concat(numComps));
+      }
+
+      var width = this.width;
+      var height = this.height;
+      var bpc = this.bpc;
+      var rowBytes = width * numComps * bpc + 7 >> 3;
+      var imgArray = this.getImageBytes(height * rowBytes);
+      var comps = this.getComponents(imgArray);
+      var i, length;
+
+      if (bpc === 1) {
+        length = width * height;
+
+        if (this.needsDecode) {
+          for (i = 0; i < length; ++i) {
+            buffer[i] = comps[i] - 1 & 255;
+          }
+        } else {
+          for (i = 0; i < length; ++i) {
+            buffer[i] = -comps[i] & 255;
+          }
+        }
+
+        return;
+      }
+
+      if (this.needsDecode) {
+        this.decodeBuffer(comps);
+      }
+
+      length = width * height;
+      var scale = 255 / ((1 << bpc) - 1);
+
+      for (i = 0; i < length; ++i) {
+        buffer[i] = scale * comps[i];
+      }
+    }
+  }, {
+    key: "getImageBytes",
+    value: function getImageBytes(length, drawWidth, drawHeight) {
+      var forceRGB = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+      this.image.reset();
+      this.image.drawWidth = drawWidth || this.width;
+      this.image.drawHeight = drawHeight || this.height;
+      this.image.forceRGB = !!forceRGB;
+      return this.image.getBytes(length, true);
+    }
+  }, {
+    key: "drawWidth",
+    get: function get() {
+      return Math.max(this.width, this.smask && this.smask.width || 0, this.mask && this.mask.width || 0);
+    }
+  }, {
+    key: "drawHeight",
+    get: function get() {
+      return Math.max(this.height, this.smask && this.smask.height || 0, this.mask && this.mask.height || 0);
+    }
+  }], [{
+    key: "buildImage",
+    value: function () {
+      var _buildImage = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(_ref2) {
+        var xref, res, image, _ref2$isInline, isInline, pdfFunctionFactory, localColorSpaceCache, imageData, smaskData, maskData, smask, mask;
+
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                xref = _ref2.xref, res = _ref2.res, image = _ref2.image, _ref2$isInline = _ref2.isInline, isInline = _ref2$isInline === void 0 ? false : _ref2$isInline, pdfFunctionFactory = _ref2.pdfFunctionFactory, localColorSpaceCache = _ref2.localColorSpaceCache;
+                imageData = image;
+                smaskData = null;
+                maskData = null;
+                smask = image.dict.get("SMask");
+                mask = image.dict.get("Mask");
+
+                if (smask) {
+                  smaskData = smask;
+                } else if (mask) {
+                  if ((0, _primitives.isStream)(mask) || Array.isArray(mask)) {
+                    maskData = mask;
+                  } else {
+                    (0, _util.warn)("Unsupported mask format.");
+                  }
+                }
+
+                return _context.abrupt("return", new PDFImage({
+                  xref: xref,
+                  res: res,
+                  image: imageData,
+                  isInline: isInline,
+                  smask: smaskData,
+                  mask: maskData,
+                  pdfFunctionFactory: pdfFunctionFactory,
+                  localColorSpaceCache: localColorSpaceCache
+                }));
+
+              case 8:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee);
+      }));
+
+      function buildImage(_x) {
+        return _buildImage.apply(this, arguments);
+      }
+
+      return buildImage;
+    }()
+  }, {
+    key: "createMask",
+    value: function createMask(_ref3) {
+      var imgArray = _ref3.imgArray,
+          width = _ref3.width,
+          height = _ref3.height,
+          imageIsFromDecodeStream = _ref3.imageIsFromDecodeStream,
+          inverseDecode = _ref3.inverseDecode;
+      var computedLength = (width + 7 >> 3) * height;
+      var actualLength = imgArray.byteLength;
+      var haveFullData = computedLength === actualLength;
+      var data, i;
+
+      if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) {
+        data = imgArray;
+      } else if (!inverseDecode) {
+        data = new Uint8ClampedArray(actualLength);
+        data.set(imgArray);
+      } else {
+        data = new Uint8ClampedArray(computedLength);
+        data.set(imgArray);
+
+        for (i = actualLength; i < computedLength; i++) {
+          data[i] = 0xff;
+        }
+      }
+
+      if (inverseDecode) {
+        for (i = 0; i < actualLength; i++) {
+          data[i] ^= 0xff;
+        }
+      }
+
+      return {
+        data: data,
+        width: width,
+        height: height
+      };
+    }
+  }]);
+
+  return PDFImage;
+}();
+
+exports.PDFImage = PDFImage;
+
+/***/ }),
+/* 243 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var CallbackKind = {
+  UNKNOWN: 0,
+  DATA: 1,
+  ERROR: 2
+};
+var StreamKind = {
+  UNKNOWN: 0,
+  CANCEL: 1,
+  CANCEL_COMPLETE: 2,
+  CLOSE: 3,
+  ENQUEUE: 4,
+  ERROR: 5,
+  PULL: 6,
+  PULL_COMPLETE: 7,
+  START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+  if (_typeof(reason) !== "object" || reason === null) {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case "AbortException":
+      return new _util.AbortException(reason.message);
+
+    case "MissingPDFException":
+      return new _util.MissingPDFException(reason.message);
+
+    case "UnexpectedResponseException":
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    case "UnknownErrorException":
+      return new _util.UnknownErrorException(reason.message, reason.details);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.toString());
+  }
+}
+
+var MessageHandler = /*#__PURE__*/function () {
+  function MessageHandler(sourceName, targetName, comObj) {
+    var _this = this;
+
+    _classCallCheck(this, MessageHandler);
+
+    this.sourceName = sourceName;
+    this.targetName = targetName;
+    this.comObj = comObj;
+    this.callbackId = 1;
+    this.streamId = 1;
+    this.postMessageTransfers = true;
+    this.streamSinks = Object.create(null);
+    this.streamControllers = Object.create(null);
+    this.callbackCapabilities = Object.create(null);
+    this.actionHandler = Object.create(null);
+
+    this._onComObjOnMessage = function (event) {
+      var data = event.data;
+
+      if (data.targetName !== _this.sourceName) {
+        return;
+      }
+
+      if (data.stream) {
+        _this._processStreamMessage(data);
+
+        return;
+      }
+
+      if (data.callback) {
+        var callbackId = data.callbackId;
+        var capability = _this.callbackCapabilities[callbackId];
+
+        if (!capability) {
+          throw new Error("Cannot resolve callback ".concat(callbackId));
+        }
+
+        delete _this.callbackCapabilities[callbackId];
+
+        if (data.callback === CallbackKind.DATA) {
+          capability.resolve(data.data);
+        } else if (data.callback === CallbackKind.ERROR) {
+          capability.reject(wrapReason(data.reason));
+        } else {
+          throw new Error("Unexpected callback case");
+        }
+
+        return;
+      }
+
+      var action = _this.actionHandler[data.action];
+
+      if (!action) {
+        throw new Error("Unknown action from worker: ".concat(data.action));
+      }
+
+      if (data.callbackId) {
+        var cbSourceName = _this.sourceName;
+        var cbTargetName = data.sourceName;
+        new Promise(function (resolve) {
+          resolve(action(data.data));
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.DATA,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.ERROR,
+            callbackId: data.callbackId,
+            reason: wrapReason(reason)
+          });
+        });
+        return;
+      }
+
+      if (data.streamId) {
+        _this._createStreamSink(data);
+
+        return;
+      }
+
+      action(data.data);
+    };
+
+    comObj.addEventListener("message", this._onComObjOnMessage);
+  }
+
+  _createClass(MessageHandler, [{
+    key: "on",
+    value: function on(actionName, handler) {
+      var ah = this.actionHandler;
+
+      if (ah[actionName]) {
+        throw new Error("There is already an actionName called \"".concat(actionName, "\""));
+      }
+
+      ah[actionName] = handler;
+    }
+  }, {
+    key: "send",
+    value: function send(actionName, data, transfers) {
+      this._postMessage({
+        sourceName: this.sourceName,
+        targetName: this.targetName,
+        action: actionName,
+        data: data
+      }, transfers);
+    }
+  }, {
+    key: "sendWithPromise",
+    value: function sendWithPromise(actionName, data, transfers) {
+      var callbackId = this.callbackId++;
+      var capability = (0, _util.createPromiseCapability)();
+      this.callbackCapabilities[callbackId] = capability;
+
+      try {
+        this._postMessage({
+          sourceName: this.sourceName,
+          targetName: this.targetName,
+          action: actionName,
+          callbackId: callbackId,
+          data: data
+        }, transfers);
+      } catch (ex) {
+        capability.reject(ex);
+      }
+
+      return capability.promise;
+    }
+  }, {
+    key: "sendWithStream",
+    value: function sendWithStream(actionName, data, queueingStrategy, transfers) {
+      var _this2 = this;
+
+      var streamId = this.streamId++;
+      var sourceName = this.sourceName;
+      var targetName = this.targetName;
+      var comObj = this.comObj;
+      return new ReadableStream({
+        start: function start(controller) {
+          var startCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId] = {
+            controller: controller,
+            startCall: startCapability,
+            pullCall: null,
+            cancelCall: null,
+            isClosed: false
+          };
+
+          _this2._postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            action: actionName,
+            streamId: streamId,
+            data: data,
+            desiredSize: controller.desiredSize
+          }, transfers);
+
+          return startCapability.promise;
+        },
+        pull: function pull(controller) {
+          var pullCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId].pullCall = pullCapability;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.PULL,
+            streamId: streamId,
+            desiredSize: controller.desiredSize
+          });
+          return pullCapability.promise;
+        },
+        cancel: function cancel(reason) {
+          (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+          var cancelCapability = (0, _util.createPromiseCapability)();
+          _this2.streamControllers[streamId].cancelCall = cancelCapability;
+          _this2.streamControllers[streamId].isClosed = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.CANCEL,
+            streamId: streamId,
+            reason: wrapReason(reason)
+          });
+          return cancelCapability.promise;
+        }
+      }, queueingStrategy);
+    }
+  }, {
+    key: "_createStreamSink",
+    value: function _createStreamSink(data) {
+      var self = this;
+      var action = this.actionHandler[data.action];
+      var streamId = data.streamId;
+      var sourceName = this.sourceName;
+      var targetName = data.sourceName;
+      var comObj = this.comObj;
+      var streamSink = {
+        enqueue: function enqueue(chunk) {
+          var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+          var transfers = arguments.length > 2 ? arguments[2] : undefined;
+
+          if (this.isCancelled) {
+            return;
+          }
+
+          var lastDesiredSize = this.desiredSize;
+          this.desiredSize -= size;
+
+          if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+            this.sinkCapability = (0, _util.createPromiseCapability)();
+            this.ready = this.sinkCapability.promise;
+          }
+
+          self._postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.ENQUEUE,
+            streamId: streamId,
+            chunk: chunk
+          }, transfers);
+        },
+        close: function close() {
+          if (this.isCancelled) {
+            return;
+          }
+
+          this.isCancelled = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.CLOSE,
+            streamId: streamId
+          });
+          delete self.streamSinks[streamId];
+        },
+        error: function error(reason) {
+          (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+          if (this.isCancelled) {
+            return;
+          }
+
+          this.isCancelled = true;
+          comObj.postMessage({
+            sourceName: sourceName,
+            targetName: targetName,
+            stream: StreamKind.ERROR,
+            streamId: streamId,
+            reason: wrapReason(reason)
+          });
+        },
+        sinkCapability: (0, _util.createPromiseCapability)(),
+        onPull: null,
+        onCancel: null,
+        isCancelled: false,
+        desiredSize: data.desiredSize,
+        ready: null
+      };
+      streamSink.sinkCapability.resolve();
+      streamSink.ready = streamSink.sinkCapability.promise;
+      this.streamSinks[streamId] = streamSink;
+      new Promise(function (resolve) {
+        resolve(action(data.data, streamSink));
+      }).then(function () {
+        comObj.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: StreamKind.START_COMPLETE,
+          streamId: streamId,
+          success: true
+        });
+      }, function (reason) {
+        comObj.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: StreamKind.START_COMPLETE,
+          streamId: streamId,
+          reason: wrapReason(reason)
+        });
+      });
+    }
+  }, {
+    key: "_processStreamMessage",
+    value: function _processStreamMessage(data) {
+      var streamId = data.streamId;
+      var sourceName = this.sourceName;
+      var targetName = data.sourceName;
+      var comObj = this.comObj;
+
+      switch (data.stream) {
+        case StreamKind.START_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].startCall.resolve();
+          } else {
+            this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+          }
+
+          break;
+
+        case StreamKind.PULL_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].pullCall.resolve();
+          } else {
+            this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+          }
+
+          break;
+
+        case StreamKind.PULL:
+          if (!this.streamSinks[streamId]) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+            break;
+          }
+
+          if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+            this.streamSinks[streamId].sinkCapability.resolve();
+          }
+
+          this.streamSinks[streamId].desiredSize = data.desiredSize;
+          var onPull = this.streamSinks[data.streamId].onPull;
+          new Promise(function (resolve) {
+            resolve(onPull && onPull());
+          }).then(function () {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+          }, function (reason) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.PULL_COMPLETE,
+              streamId: streamId,
+              reason: wrapReason(reason)
+            });
+          });
+          break;
+
+        case StreamKind.ENQUEUE:
+          (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+          if (this.streamControllers[streamId].isClosed) {
+            break;
+          }
+
+          this.streamControllers[streamId].controller.enqueue(data.chunk);
+          break;
+
+        case StreamKind.CLOSE:
+          (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+          if (this.streamControllers[streamId].isClosed) {
+            break;
+          }
+
+          this.streamControllers[streamId].isClosed = true;
+          this.streamControllers[streamId].controller.close();
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.ERROR:
+          (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+          this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.CANCEL_COMPLETE:
+          if (data.success) {
+            this.streamControllers[streamId].cancelCall.resolve();
+          } else {
+            this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+          }
+
+          this._deleteStreamController(streamId);
+
+          break;
+
+        case StreamKind.CANCEL:
+          if (!this.streamSinks[streamId]) {
+            break;
+          }
+
+          var onCancel = this.streamSinks[data.streamId].onCancel;
+          new Promise(function (resolve) {
+            resolve(onCancel && onCancel(wrapReason(data.reason)));
+          }).then(function () {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.CANCEL_COMPLETE,
+              streamId: streamId,
+              success: true
+            });
+          }, function (reason) {
+            comObj.postMessage({
+              sourceName: sourceName,
+              targetName: targetName,
+              stream: StreamKind.CANCEL_COMPLETE,
+              streamId: streamId,
+              reason: wrapReason(reason)
+            });
+          });
+          this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+          this.streamSinks[streamId].isCancelled = true;
+          delete this.streamSinks[streamId];
+          break;
+
+        default:
+          throw new Error("Unexpected stream case");
+      }
+    }
+  }, {
+    key: "_deleteStreamController",
+    value: function () {
+      var _deleteStreamController2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(streamId) {
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+                  return capability && capability.promise;
+                }));
+
+              case 2:
+                delete this.streamControllers[streamId];
+
+              case 3:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function _deleteStreamController(_x) {
+        return _deleteStreamController2.apply(this, arguments);
+      }
+
+      return _deleteStreamController;
+    }()
+  }, {
+    key: "_postMessage",
+    value: function _postMessage(message, transfers) {
+      if (transfers && this.postMessageTransfers) {
+        this.comObj.postMessage(message, transfers);
+      } else {
+        this.comObj.postMessage(message);
+      }
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.comObj.removeEventListener("message", this._onComObjOnMessage);
+    }
+  }]);
+
+  return MessageHandler;
+}();
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 244 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFWorkerStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));
+
+var _util = __w_pdfjs_require__(5);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PDFWorkerStream = /*#__PURE__*/function () {
+  function PDFWorkerStream(msgHandler) {
+    _classCallCheck(this, PDFWorkerStream);
+
+    this._msgHandler = msgHandler;
+    this._contentLength = null;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFWorkerStream, [{
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader, "PDFWorkerStream.getFullReader can only be called once.");
+      this._fullRequestReader = new PDFWorkerStreamReader(this._msgHandler);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      var reader = new PDFWorkerStreamRangeReader(begin, end, this._msgHandler);
+
+      this._rangeRequestReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }]);
+
+  return PDFWorkerStream;
+}();
+
+exports.PDFWorkerStream = PDFWorkerStream;
+
+var PDFWorkerStreamReader = /*#__PURE__*/function () {
+  function PDFWorkerStreamReader(msgHandler) {
+    var _this = this;
+
+    _classCallCheck(this, PDFWorkerStreamReader);
+
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+    this._contentLength = null;
+    this._isRangeSupported = false;
+    this._isStreamingSupported = false;
+
+    var readableStream = this._msgHandler.sendWithStream("GetReader");
+
+    this._reader = readableStream.getReader();
+    this._headersReady = this._msgHandler.sendWithPromise("ReaderHeadersReady").then(function (data) {
+      _this._isStreamingSupported = data.isStreamingSupported;
+      _this._isRangeSupported = data.isRangeSupported;
+      _this._contentLength = data.contentLength;
+    });
+  }
+
+  _createClass(PDFWorkerStreamReader, [{
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var _yield$this$_reader$r, value, done;
+
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._reader.read();
+
+              case 2:
+                _yield$this$_reader$r = _context.sent;
+                value = _yield$this$_reader$r.value;
+                done = _yield$this$_reader$r.done;
+
+                if (!done) {
+                  _context.next = 7;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 7:
+                return _context.abrupt("return", {
+                  value: value.buffer,
+                  done: false
+                });
+
+              case 8:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._reader.cancel(reason);
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersReady;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }]);
+
+  return PDFWorkerStreamReader;
+}();
+
+var PDFWorkerStreamRangeReader = /*#__PURE__*/function () {
+  function PDFWorkerStreamRangeReader(begin, end, msgHandler) {
+    _classCallCheck(this, PDFWorkerStreamRangeReader);
+
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+
+    var readableStream = this._msgHandler.sendWithStream("GetRangeReader", {
+      begin: begin,
+      end: end
+    });
+
+    this._reader = readableStream.getReader();
+  }
+
+  _createClass(PDFWorkerStreamRangeReader, [{
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var _yield$this$_reader$r2, value, done;
+
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._reader.read();
+
+              case 2:
+                _yield$this$_reader$r2 = _context2.sent;
+                value = _yield$this$_reader$r2.value;
+                done = _yield$this$_reader$r2.done;
+
+                if (!done) {
+                  _context2.next = 7;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 7:
+                return _context2.abrupt("return", {
+                  value: value.buffer,
+                  done: false
+                });
+
+              case 8:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._reader.cancel(reason);
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return PDFWorkerStreamRangeReader;
+}();
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.worker.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.worker.js.map b/node_modules/pdfjs-dist/es5/build/pdf.worker.js.map
new file mode 100644
index 00000000..615468c7
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.worker.js.map
@@ -0,0 +1 @@
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module.exports, __w_pdfjs_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__w_pdfjs_require__.m = modules;\n\n \t// expose the module cache\n \t__w_pdfjs_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__w_pdfjs_require__.d = function(exports, name, getter) {\n \t\tif(!__w_pdfjs_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__w_pdfjs_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a 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getModuleExports() { return module; };\n \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__w_pdfjs_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WorkerMessageHandler } from \"./core/worker.js\";\n\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsVersion = PDFJSDev.eval(\"BUNDLE_VERSION\");\n/* eslint-disable-next-line no-unused-vars */\nconst pdfjsBuild = PDFJSDev.eval(\"BUNDLE_BUILD\");\n\nexport { WorkerMessageHandler };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  arrayByteLength,\n  arraysToBytes,\n  createPromiseCapability,\n  getVerbosityLevel,\n  info,\n  InvalidPDFException,\n  isString,\n  MissingPDFException,\n  PasswordException,\n  setVerbosityLevel,\n  stringToPDFString,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  UNSUPPORTED_FEATURES,\n  VerbosityLevel,\n  warn,\n} from \"../shared/util.js\";\nimport { clearPrimitiveCaches, Ref } from \"./primitives.js\";\nimport { LocalPdfManager, NetworkPdfManager } from \"./pdf_manager.js\";\nimport { incrementalUpdate } from \"./writer.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { MessageHandler } from \"../shared/message_handler.js\";\nimport { PDFWorkerStream } from \"./worker_stream.js\";\nimport { XRefParseException } from \"./core_utils.js\";\n\nclass WorkerTask {\n  constructor(name) {\n    this.name = name;\n    this.terminated = false;\n    this._capability = createPromiseCapability();\n  }\n\n  get finished() {\n    return this._capability.promise;\n  }\n\n  finish() {\n    this._capability.resolve();\n  }\n\n  terminate() {\n    this.terminated = true;\n  }\n\n  ensureNotTerminated() {\n    if (this.terminated) {\n      throw new Error(\"Worker task was terminated\");\n    }\n  }\n}\n\nclass WorkerMessageHandler {\n  static setup(handler, port) {\n    var testMessageProcessed = false;\n    handler.on(\"test\", function wphSetupTest(data) {\n      if (testMessageProcessed) {\n        return; // we already processed 'test' message once\n      }\n      testMessageProcessed = true;\n\n      // check if Uint8Array can be sent to worker\n      if (!(data instanceof Uint8Array)) {\n        handler.send(\"test\", null);\n        return;\n      }\n      // making sure postMessage transfers are working\n      const supportTransfers = data[0] === 255;\n      handler.postMessageTransfers = supportTransfers;\n\n      handler.send(\"test\", { supportTransfers });\n    });\n\n    handler.on(\"configure\", function wphConfigure(data) {\n      setVerbosityLevel(data.verbosity);\n    });\n\n    handler.on(\"GetDocRequest\", function wphSetupDoc(data) {\n      return WorkerMessageHandler.createDocumentHandler(data, port);\n    });\n  }\n\n  static createDocumentHandler(docParams, port) {\n    // This context is actually holds references on pdfManager and handler,\n    // until the latter is destroyed.\n    var pdfManager;\n    var terminated = false;\n    var cancelXHRs = null;\n    var WorkerTasks = [];\n    const verbosity = getVerbosityLevel();\n\n    const apiVersion = docParams.apiVersion;\n    const workerVersion =\n      typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"TESTING\")\n        ? PDFJSDev.eval(\"BUNDLE_VERSION\")\n        : null;\n    if (apiVersion !== workerVersion) {\n      throw new Error(\n        `The API version \"${apiVersion}\" does not match ` +\n          `the Worker version \"${workerVersion}\".`\n      );\n    }\n\n    if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n      // Fail early, and predictably, rather than having (some) fonts fail to\n      // load/render with slightly cryptic error messages in environments where\n      // the `Array.prototype` has been *incorrectly* extended.\n      //\n      // PLEASE NOTE: We do *not* want to slow down font parsing by adding\n      //              `hasOwnProperty` checks all over the code-base.\n      const enumerableProperties = [];\n      for (const property in []) {\n        enumerableProperties.push(property);\n      }\n      if (enumerableProperties.length) {\n        throw new Error(\n          \"The `Array.prototype` contains unexpected enumerable properties: \" +\n            enumerableProperties.join(\", \") +\n            \"; thus breaking e.g. `for...in` iteration of `Array`s.\"\n        );\n      }\n\n      // Ensure that (primarily) Node.js users won't accidentally attempt to use\n      // a non-translated/non-polyfilled build of the library, since that would\n      // quickly fail anyway because of missing functionality (such as e.g.\n      // `ReadableStream` and `Promise.allSettled`).\n      if (\n        (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"SKIP_BABEL\")) &&\n        (typeof ReadableStream === \"undefined\" ||\n          typeof Promise.allSettled === \"undefined\")\n      ) {\n        throw new Error(\n          \"The browser/environment lacks native support for critical \" +\n            \"functionality used by the PDF.js library (e.g. \" +\n            \"`ReadableStream` and/or `Promise.allSettled`); \" +\n            \"please use an ES5-compatible build instead.\"\n        );\n      }\n    }\n\n    var docId = docParams.docId;\n    var docBaseUrl = docParams.docBaseUrl;\n    var workerHandlerName = docParams.docId + \"_worker\";\n    var handler = new MessageHandler(workerHandlerName, docId, port);\n\n    // Ensure that postMessage transfers are always correctly enabled/disabled,\n    // to prevent \"DataCloneError\" in browsers without transfers support.\n    handler.postMessageTransfers = docParams.postMessageTransfers;\n\n    function ensureNotTerminated() {\n      if (terminated) {\n        throw new Error(\"Worker was terminated\");\n      }\n    }\n\n    function startWorkerTask(task) {\n      WorkerTasks.push(task);\n    }\n\n    function finishWorkerTask(task) {\n      task.finish();\n      var i = WorkerTasks.indexOf(task);\n      WorkerTasks.splice(i, 1);\n    }\n\n    async function loadDocument(recoveryMode) {\n      await pdfManager.ensureDoc(\"checkHeader\");\n      await pdfManager.ensureDoc(\"parseStartXRef\");\n      await pdfManager.ensureDoc(\"parse\", [recoveryMode]);\n\n      if (!recoveryMode) {\n        // Check that at least the first page can be successfully loaded,\n        // since otherwise the XRef table is definitely not valid.\n        await pdfManager.ensureDoc(\"checkFirstPage\");\n      }\n\n      const [numPages, fingerprint] = await Promise.all([\n        pdfManager.ensureDoc(\"numPages\"),\n        pdfManager.ensureDoc(\"fingerprint\"),\n      ]);\n      return { numPages, fingerprint };\n    }\n\n    function getPdfManager(data, evaluatorOptions) {\n      var pdfManagerCapability = createPromiseCapability();\n      let newPdfManager;\n\n      var source = data.source;\n      if (source.data) {\n        try {\n          newPdfManager = new LocalPdfManager(\n            docId,\n            source.data,\n            source.password,\n            evaluatorOptions,\n            docBaseUrl\n          );\n          pdfManagerCapability.resolve(newPdfManager);\n        } catch (ex) {\n          pdfManagerCapability.reject(ex);\n        }\n        return pdfManagerCapability.promise;\n      }\n\n      var pdfStream,\n        cachedChunks = [];\n      try {\n        pdfStream = new PDFWorkerStream(handler);\n      } catch (ex) {\n        pdfManagerCapability.reject(ex);\n        return pdfManagerCapability.promise;\n      }\n\n      var fullRequest = pdfStream.getFullReader();\n      fullRequest.headersReady\n        .then(function () {\n          if (!fullRequest.isRangeSupported) {\n            return;\n          }\n\n          // We don't need auto-fetch when streaming is enabled.\n          var disableAutoFetch =\n            source.disableAutoFetch || fullRequest.isStreamingSupported;\n          newPdfManager = new NetworkPdfManager(\n            docId,\n            pdfStream,\n            {\n              msgHandler: handler,\n              password: source.password,\n              length: fullRequest.contentLength,\n              disableAutoFetch,\n              rangeChunkSize: source.rangeChunkSize,\n            },\n            evaluatorOptions,\n            docBaseUrl\n          );\n          // There may be a chance that `newPdfManager` is not initialized for\n          // the first few runs of `readchunk` block of code. Be sure to send\n          // all cached chunks, if any, to chunked_stream via pdf_manager.\n          for (let i = 0; i < cachedChunks.length; i++) {\n            newPdfManager.sendProgressiveData(cachedChunks[i]);\n          }\n\n          cachedChunks = [];\n          pdfManagerCapability.resolve(newPdfManager);\n          cancelXHRs = null;\n        })\n        .catch(function (reason) {\n          pdfManagerCapability.reject(reason);\n          cancelXHRs = null;\n        });\n\n      var loaded = 0;\n      var flushChunks = function () {\n        var pdfFile = arraysToBytes(cachedChunks);\n        if (source.length && pdfFile.length !== source.length) {\n          warn(\"reported HTTP length is different from actual\");\n        }\n        // the data is array, instantiating directly from it\n        try {\n          newPdfManager = new LocalPdfManager(\n            docId,\n            pdfFile,\n            source.password,\n            evaluatorOptions,\n            docBaseUrl\n          );\n          pdfManagerCapability.resolve(newPdfManager);\n        } catch (ex) {\n          pdfManagerCapability.reject(ex);\n        }\n        cachedChunks = [];\n      };\n      var readPromise = new Promise(function (resolve, reject) {\n        var readChunk = function ({ value, done }) {\n          try {\n            ensureNotTerminated();\n            if (done) {\n              if (!newPdfManager) {\n                flushChunks();\n              }\n              cancelXHRs = null;\n              return;\n            }\n\n            loaded += arrayByteLength(value);\n            if (!fullRequest.isStreamingSupported) {\n              handler.send(\"DocProgress\", {\n                loaded,\n                total: Math.max(loaded, fullRequest.contentLength || 0),\n              });\n            }\n\n            if (newPdfManager) {\n              newPdfManager.sendProgressiveData(value);\n            } else {\n              cachedChunks.push(value);\n            }\n\n            fullRequest.read().then(readChunk, reject);\n          } catch (e) {\n            reject(e);\n          }\n        };\n        fullRequest.read().then(readChunk, reject);\n      });\n      readPromise.catch(function (e) {\n        pdfManagerCapability.reject(e);\n        cancelXHRs = null;\n      });\n\n      cancelXHRs = function (reason) {\n        pdfStream.cancelAllRequests(reason);\n      };\n\n      return pdfManagerCapability.promise;\n    }\n\n    function setupDoc(data) {\n      function onSuccess(doc) {\n        ensureNotTerminated();\n        handler.send(\"GetDoc\", { pdfInfo: doc });\n      }\n\n      function onFailure(ex) {\n        ensureNotTerminated();\n\n        if (ex instanceof PasswordException) {\n          var task = new WorkerTask(`PasswordException: response ${ex.code}`);\n          startWorkerTask(task);\n\n          handler\n            .sendWithPromise(\"PasswordRequest\", ex)\n            .then(function ({ password }) {\n              finishWorkerTask(task);\n              pdfManager.updatePassword(password);\n              pdfManagerReady();\n            })\n            .catch(function () {\n              finishWorkerTask(task);\n              handler.send(\"DocException\", ex);\n            });\n        } else if (\n          ex instanceof InvalidPDFException ||\n          ex instanceof MissingPDFException ||\n          ex instanceof UnexpectedResponseException ||\n          ex instanceof UnknownErrorException\n        ) {\n          handler.send(\"DocException\", ex);\n        } else {\n          handler.send(\n            \"DocException\",\n            new UnknownErrorException(ex.message, ex.toString())\n          );\n        }\n      }\n\n      function pdfManagerReady() {\n        ensureNotTerminated();\n\n        loadDocument(false).then(onSuccess, function (reason) {\n          ensureNotTerminated();\n\n          // Try again with recoveryMode == true\n          if (!(reason instanceof XRefParseException)) {\n            onFailure(reason);\n            return;\n          }\n          pdfManager.requestLoadedStream();\n          pdfManager.onLoadedStream().then(function () {\n            ensureNotTerminated();\n\n            loadDocument(true).then(onSuccess, onFailure);\n          });\n        });\n      }\n\n      ensureNotTerminated();\n\n      var evaluatorOptions = {\n        maxImageSize: data.maxImageSize,\n        disableFontFace: data.disableFontFace,\n        ignoreErrors: data.ignoreErrors,\n        isEvalSupported: data.isEvalSupported,\n        fontExtraProperties: data.fontExtraProperties,\n      };\n\n      getPdfManager(data, evaluatorOptions)\n        .then(function (newPdfManager) {\n          if (terminated) {\n            // We were in a process of setting up the manager, but it got\n            // terminated in the middle.\n            newPdfManager.terminate(\n              new AbortException(\"Worker was terminated.\")\n            );\n            throw new Error(\"Worker was terminated\");\n          }\n          pdfManager = newPdfManager;\n\n          pdfManager.onLoadedStream().then(function (stream) {\n            handler.send(\"DataLoaded\", { length: stream.bytes.byteLength });\n          });\n        })\n        .then(pdfManagerReady, onFailure);\n    }\n\n    handler.on(\"GetPage\", function wphSetupGetPage(data) {\n      return pdfManager.getPage(data.pageIndex).then(function (page) {\n        return Promise.all([\n          pdfManager.ensure(page, \"rotate\"),\n          pdfManager.ensure(page, \"ref\"),\n          pdfManager.ensure(page, \"userUnit\"),\n          pdfManager.ensure(page, \"view\"),\n        ]).then(function ([rotate, ref, userUnit, view]) {\n          return {\n            rotate,\n            ref,\n            userUnit,\n            view,\n          };\n        });\n      });\n    });\n\n    handler.on(\"GetPageIndex\", function wphSetupGetPageIndex({ ref }) {\n      const pageRef = Ref.get(ref.num, ref.gen);\n      return pdfManager.ensureCatalog(\"getPageIndex\", [pageRef]);\n    });\n\n    handler.on(\"GetDestinations\", function wphSetupGetDestinations(data) {\n      return pdfManager.ensureCatalog(\"destinations\");\n    });\n\n    handler.on(\"GetDestination\", function wphSetupGetDestination(data) {\n      return pdfManager.ensureCatalog(\"getDestination\", [data.id]);\n    });\n\n    handler.on(\"GetPageLabels\", function wphSetupGetPageLabels(data) {\n      return pdfManager.ensureCatalog(\"pageLabels\");\n    });\n\n    handler.on(\"GetPageLayout\", function wphSetupGetPageLayout(data) {\n      return pdfManager.ensureCatalog(\"pageLayout\");\n    });\n\n    handler.on(\"GetPageMode\", function wphSetupGetPageMode(data) {\n      return pdfManager.ensureCatalog(\"pageMode\");\n    });\n\n    handler.on(\"GetViewerPreferences\", function (data) {\n      return pdfManager.ensureCatalog(\"viewerPreferences\");\n    });\n\n    handler.on(\"GetOpenAction\", function (data) {\n      return pdfManager.ensureCatalog(\"openAction\");\n    });\n\n    handler.on(\"GetAttachments\", function wphSetupGetAttachments(data) {\n      return pdfManager.ensureCatalog(\"attachments\");\n    });\n\n    handler.on(\"GetJavaScript\", function wphSetupGetJavaScript(data) {\n      return pdfManager.ensureCatalog(\"javaScript\");\n    });\n\n    handler.on(\"GetOutline\", function wphSetupGetOutline(data) {\n      return pdfManager.ensureCatalog(\"documentOutline\");\n    });\n\n    handler.on(\"GetOptionalContentConfig\", function (data) {\n      return pdfManager.ensureCatalog(\"optionalContentConfig\");\n    });\n\n    handler.on(\"GetPermissions\", function (data) {\n      return pdfManager.ensureCatalog(\"permissions\");\n    });\n\n    handler.on(\"GetMetadata\", function wphSetupGetMetadata(data) {\n      return Promise.all([\n        pdfManager.ensureDoc(\"documentInfo\"),\n        pdfManager.ensureCatalog(\"metadata\"),\n      ]);\n    });\n\n    handler.on(\"GetData\", function wphSetupGetData(data) {\n      pdfManager.requestLoadedStream();\n      return pdfManager.onLoadedStream().then(function (stream) {\n        return stream.bytes;\n      });\n    });\n\n    handler.on(\"GetStats\", function wphSetupGetStats(data) {\n      return pdfManager.ensureXRef(\"stats\");\n    });\n\n    handler.on(\"GetAnnotations\", function ({ pageIndex, intent }) {\n      return pdfManager.getPage(pageIndex).then(function (page) {\n        return page.getAnnotationsData(intent);\n      });\n    });\n\n    handler.on(\"SaveDocument\", function ({\n      numPages,\n      annotationStorage,\n      filename,\n    }) {\n      pdfManager.requestLoadedStream();\n      const promises = [pdfManager.onLoadedStream()];\n      const document = pdfManager.pdfDocument;\n      for (let pageIndex = 0; pageIndex < numPages; pageIndex++) {\n        promises.push(\n          pdfManager.getPage(pageIndex).then(function (page) {\n            const task = new WorkerTask(`Save: page ${pageIndex}`);\n            return page.save(handler, task, annotationStorage);\n          })\n        );\n      }\n\n      return Promise.all(promises).then(([stream, ...refs]) => {\n        let newRefs = [];\n        for (const ref of refs) {\n          newRefs = ref\n            .filter(x => x !== null)\n            .reduce((a, b) => a.concat(b), newRefs);\n        }\n\n        if (newRefs.length === 0) {\n          // No new refs so just return the initial bytes\n          return stream.bytes;\n        }\n\n        const xref = document.xref;\n        let newXrefInfo = Object.create(null);\n        if (xref.trailer) {\n          // Get string info from Info in order to compute fileId\n          const _info = Object.create(null);\n          const xrefInfo = xref.trailer.get(\"Info\") || null;\n          if (xrefInfo) {\n            xrefInfo.forEach((key, value) => {\n              if (isString(key) && isString(value)) {\n                _info[key] = stringToPDFString(value);\n              }\n            });\n          }\n\n          newXrefInfo = {\n            rootRef: xref.trailer.getRaw(\"Root\") || null,\n            encrypt: xref.trailer.getRaw(\"Encrypt\") || null,\n            newRef: xref.getNewRef(),\n            infoRef: xref.trailer.getRaw(\"Info\") || null,\n            info: _info,\n            fileIds: xref.trailer.getRaw(\"ID\") || null,\n            startXRef: document.startXRef,\n            filename,\n          };\n        }\n        xref.resetNewRef();\n\n        return incrementalUpdate(stream.bytes, newXrefInfo, newRefs);\n      });\n    });\n\n    handler.on(\n      \"GetOperatorList\",\n      function wphSetupRenderPage(data, sink) {\n        var pageIndex = data.pageIndex;\n        pdfManager.getPage(pageIndex).then(function (page) {\n          var task = new WorkerTask(`GetOperatorList: page ${pageIndex}`);\n          startWorkerTask(task);\n\n          // NOTE: Keep this condition in sync with the `info` helper function.\n          const start = verbosity >= VerbosityLevel.INFOS ? Date.now() : 0;\n\n          // Pre compile the pdf page and fetch the fonts/images.\n          page\n            .getOperatorList({\n              handler,\n              sink,\n              task,\n              intent: data.intent,\n              renderInteractiveForms: data.renderInteractiveForms,\n              annotationStorage: data.annotationStorage,\n            })\n            .then(\n              function (operatorListInfo) {\n                finishWorkerTask(task);\n\n                if (start) {\n                  info(\n                    `page=${pageIndex + 1} - getOperatorList: time=` +\n                      `${Date.now() - start}ms, len=${operatorListInfo.length}`\n                  );\n                }\n                sink.close();\n              },\n              function (reason) {\n                finishWorkerTask(task);\n                if (task.terminated) {\n                  return; // ignoring errors from the terminated thread\n                }\n                // For compatibility with older behavior, generating unknown\n                // unsupported feature notification on errors.\n                handler.send(\"UnsupportedFeature\", {\n                  featureId: UNSUPPORTED_FEATURES.errorOperatorList,\n                });\n\n                sink.error(reason);\n\n                // TODO: Should `reason` be re-thrown here (currently that\n                //       casues \"Uncaught exception: ...\" messages in the\n                //       console)?\n              }\n            );\n        });\n      },\n      this\n    );\n\n    handler.on(\"GetTextContent\", function wphExtractText(data, sink) {\n      var pageIndex = data.pageIndex;\n      sink.onPull = function (desiredSize) {};\n      sink.onCancel = function (reason) {};\n\n      pdfManager.getPage(pageIndex).then(function (page) {\n        var task = new WorkerTask(\"GetTextContent: page \" + pageIndex);\n        startWorkerTask(task);\n\n        // NOTE: Keep this condition in sync with the `info` helper function.\n        const start = verbosity >= VerbosityLevel.INFOS ? Date.now() : 0;\n\n        page\n          .extractTextContent({\n            handler,\n            task,\n            sink,\n            normalizeWhitespace: data.normalizeWhitespace,\n            combineTextItems: data.combineTextItems,\n          })\n          .then(\n            function () {\n              finishWorkerTask(task);\n\n              if (start) {\n                info(\n                  `page=${pageIndex + 1} - getTextContent: time=` +\n                    `${Date.now() - start}ms`\n                );\n              }\n              sink.close();\n            },\n            function (reason) {\n              finishWorkerTask(task);\n              if (task.terminated) {\n                return; // ignoring errors from the terminated thread\n              }\n              sink.error(reason);\n\n              // TODO: Should `reason` be re-thrown here (currently that casues\n              //       \"Uncaught exception: ...\" messages in the console)?\n            }\n          );\n      });\n    });\n\n    handler.on(\"FontFallback\", function (data) {\n      return pdfManager.fontFallback(data.id, handler);\n    });\n\n    handler.on(\"Cleanup\", function wphCleanup(data) {\n      return pdfManager.cleanup(/* manuallyTriggered = */ true);\n    });\n\n    handler.on(\"Terminate\", function wphTerminate(data) {\n      terminated = true;\n\n      const waitOn = [];\n      if (pdfManager) {\n        pdfManager.terminate(new AbortException(\"Worker was terminated.\"));\n\n        const cleanupPromise = pdfManager.cleanup();\n        waitOn.push(cleanupPromise);\n\n        pdfManager = null;\n      } else {\n        clearPrimitiveCaches();\n      }\n      if (cancelXHRs) {\n        cancelXHRs(new AbortException(\"Worker was terminated.\"));\n      }\n\n      WorkerTasks.forEach(function (task) {\n        waitOn.push(task.finished);\n        task.terminate();\n      });\n\n      return Promise.all(waitOn).then(function () {\n        // Notice that even if we destroying handler, resolved response promise\n        // must be sent back.\n        handler.destroy();\n        handler = null;\n      });\n    });\n\n    handler.on(\"Ready\", function wphReady(data) {\n      setupDoc(docParams);\n      docParams = null; // we don't need docParams anymore -- saving memory.\n    });\n    return workerHandlerName;\n  }\n\n  static initializeFromPort(port) {\n    var handler = new MessageHandler(\"worker\", \"main\", port);\n    WorkerMessageHandler.setup(handler, port);\n    handler.send(\"ready\", null);\n  }\n}\n\nfunction isMessagePort(maybePort) {\n  return (\n    typeof maybePort.postMessage === \"function\" && \"onmessage\" in maybePort\n  );\n}\n\n// Worker thread (and not Node.js)?\nif (\n  typeof window === \"undefined\" &&\n  !isNodeJS &&\n  typeof self !== \"undefined\" &&\n  isMessagePort(self)\n) {\n  WorkerMessageHandler.initializeFromPort(self);\n}\n\nexport { WorkerTask, WorkerMessageHandler };\n","module.exports = require(\"regenerator-runtime\");\n","/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nvar runtime = (function (exports) {\n  \"use strict\";\n\n  var Op = Object.prototype;\n  var hasOwn = Op.hasOwnProperty;\n  var undefined; // More compressible than void 0.\n  var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n  var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n  var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n  var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n  function define(obj, key, value) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n    return obj[key];\n  }\n  try {\n    // IE 8 has a broken Object.defineProperty that only works on DOM objects.\n    define({}, \"\");\n  } catch (err) {\n    define = function(obj, key, value) {\n      return obj[key] = value;\n    };\n  }\n\n  function wrap(innerFn, outerFn, self, tryLocsList) {\n    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.\n    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n    var generator = Object.create(protoGenerator.prototype);\n    var context = new Context(tryLocsList || []);\n\n    // The ._invoke method unifies the implementations of the .next,\n    // .throw, and .return methods.\n    generator._invoke = makeInvokeMethod(innerFn, self, context);\n\n    return generator;\n  }\n  exports.wrap = wrap;\n\n  // Try/catch helper to minimize deoptimizations. Returns a completion\n  // record like context.tryEntries[i].completion. This interface could\n  // have been (and was previously) designed to take a closure to be\n  // invoked without arguments, but in all the cases we care about we\n  // already have an existing method we want to call, so there's no need\n  // to create a new function object. We can even get away with assuming\n  // the method takes exactly one argument, since that happens to be true\n  // in every case, so we don't have to touch the arguments object. The\n  // only additional allocation required is the completion record, which\n  // has a stable shape and so hopefully should be cheap to allocate.\n  function tryCatch(fn, obj, arg) {\n    try {\n      return { type: \"normal\", arg: fn.call(obj, arg) };\n    } catch (err) {\n      return { type: \"throw\", arg: err };\n    }\n  }\n\n  var GenStateSuspendedStart = \"suspendedStart\";\n  var GenStateSuspendedYield = \"suspendedYield\";\n  var GenStateExecuting = \"executing\";\n  var GenStateCompleted = \"completed\";\n\n  // Returning this object from the innerFn has the same effect as\n  // breaking out of the dispatch switch statement.\n  var ContinueSentinel = {};\n\n  // Dummy constructor functions that we use as the .constructor and\n  // .constructor.prototype properties for functions that return Generator\n  // objects. For full spec compliance, you may wish to configure your\n  // minifier not to mangle the names of these two functions.\n  function Generator() {}\n  function GeneratorFunction() {}\n  function GeneratorFunctionPrototype() {}\n\n  // This is a polyfill for %IteratorPrototype% for environments that\n  // don't natively support it.\n  var IteratorPrototype = {};\n  IteratorPrototype[iteratorSymbol] = function () {\n    return this;\n  };\n\n  var getProto = Object.getPrototypeOf;\n  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n  if (NativeIteratorPrototype &&\n      NativeIteratorPrototype !== Op &&\n      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n    // This environment has a native %IteratorPrototype%; use it instead\n    // of the polyfill.\n    IteratorPrototype = NativeIteratorPrototype;\n  }\n\n  var Gp = GeneratorFunctionPrototype.prototype =\n    Generator.prototype = Object.create(IteratorPrototype);\n  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n  GeneratorFunctionPrototype.constructor = GeneratorFunction;\n  GeneratorFunction.displayName = define(\n    GeneratorFunctionPrototype,\n    toStringTagSymbol,\n    \"GeneratorFunction\"\n  );\n\n  // Helper for defining the .next, .throw, and .return methods of the\n  // Iterator interface in terms of a single ._invoke method.\n  function defineIteratorMethods(prototype) {\n    [\"next\", \"throw\", \"return\"].forEach(function(method) {\n      define(prototype, method, function(arg) {\n        return this._invoke(method, arg);\n      });\n    });\n  }\n\n  exports.isGeneratorFunction = function(genFun) {\n    var ctor = typeof genFun === \"function\" && genFun.constructor;\n    return ctor\n      ? ctor === GeneratorFunction ||\n        // For the native GeneratorFunction constructor, the best we can\n        // do is to check its .name property.\n        (ctor.displayName || ctor.name) === \"GeneratorFunction\"\n      : false;\n  };\n\n  exports.mark = function(genFun) {\n    if (Object.setPrototypeOf) {\n      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n    } else {\n      genFun.__proto__ = GeneratorFunctionPrototype;\n      define(genFun, toStringTagSymbol, \"GeneratorFunction\");\n    }\n    genFun.prototype = Object.create(Gp);\n    return genFun;\n  };\n\n  // Within the body of any async function, `await x` is transformed to\n  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test\n  // `hasOwn.call(value, \"__await\")` to determine if the yielded value is\n  // meant to be awaited.\n  exports.awrap = function(arg) {\n    return { __await: arg };\n  };\n\n  function AsyncIterator(generator, PromiseImpl) {\n    function invoke(method, arg, resolve, reject) {\n      var record = tryCatch(generator[method], generator, arg);\n      if (record.type === \"throw\") {\n        reject(record.arg);\n      } else {\n        var result = record.arg;\n        var value = result.value;\n        if (value &&\n            typeof value === \"object\" &&\n            hasOwn.call(value, \"__await\")) {\n          return PromiseImpl.resolve(value.__await).then(function(value) {\n            invoke(\"next\", value, resolve, reject);\n          }, function(err) {\n            invoke(\"throw\", err, resolve, reject);\n          });\n        }\n\n        return PromiseImpl.resolve(value).then(function(unwrapped) {\n          // When a yielded Promise is resolved, its final value becomes\n          // the .value of the Promise<{value,done}> result for the\n          // current iteration.\n          result.value = unwrapped;\n          resolve(result);\n        }, function(error) {\n          // If a rejected Promise was yielded, throw the rejection back\n          // into the async generator function so it can be handled there.\n          return invoke(\"throw\", error, resolve, reject);\n        });\n      }\n    }\n\n    var previousPromise;\n\n    function enqueue(method, arg) {\n      function callInvokeWithMethodAndArg() {\n        return new PromiseImpl(function(resolve, reject) {\n          invoke(method, arg, resolve, reject);\n        });\n      }\n\n      return previousPromise =\n        // If enqueue has been called before, then we want to wait until\n        // all previous Promises have been resolved before calling invoke,\n        // so that results are always delivered in the correct order. If\n        // enqueue has not been called before, then it is important to\n        // call invoke immediately, without waiting on a callback to fire,\n        // so that the async generator function has the opportunity to do\n        // any necessary setup in a predictable way. This predictability\n        // is why the Promise constructor synchronously invokes its\n        // executor callback, and why async functions synchronously\n        // execute code before the first await. Since we implement simple\n        // async functions in terms of async generators, it is especially\n        // important to get this right, even though it requires care.\n        previousPromise ? previousPromise.then(\n          callInvokeWithMethodAndArg,\n          // Avoid propagating failures to Promises returned by later\n          // invocations of the iterator.\n          callInvokeWithMethodAndArg\n        ) : callInvokeWithMethodAndArg();\n    }\n\n    // Define the unified helper method that is used to implement .next,\n    // .throw, and .return (see defineIteratorMethods).\n    this._invoke = enqueue;\n  }\n\n  defineIteratorMethods(AsyncIterator.prototype);\n  AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n    return this;\n  };\n  exports.AsyncIterator = AsyncIterator;\n\n  // Note that simple async functions are implemented on top of\n  // AsyncIterator objects; they just return a Promise for the value of\n  // the final result produced by the iterator.\n  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n    if (PromiseImpl === void 0) PromiseImpl = Promise;\n\n    var iter = new AsyncIterator(\n      wrap(innerFn, outerFn, self, tryLocsList),\n      PromiseImpl\n    );\n\n    return exports.isGeneratorFunction(outerFn)\n      ? iter // If outerFn is a generator, return the full iterator.\n      : iter.next().then(function(result) {\n          return result.done ? result.value : iter.next();\n        });\n  };\n\n  function makeInvokeMethod(innerFn, self, context) {\n    var state = GenStateSuspendedStart;\n\n    return function invoke(method, arg) {\n      if (state === GenStateExecuting) {\n        throw new Error(\"Generator is already running\");\n      }\n\n      if (state === GenStateCompleted) {\n        if (method === \"throw\") {\n          throw arg;\n        }\n\n        // Be forgiving, per 25.3.3.3.3 of the spec:\n        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume\n        return doneResult();\n      }\n\n      context.method = method;\n      context.arg = arg;\n\n      while (true) {\n        var delegate = context.delegate;\n        if (delegate) {\n          var delegateResult = maybeInvokeDelegate(delegate, context);\n          if (delegateResult) {\n            if (delegateResult === ContinueSentinel) continue;\n            return delegateResult;\n          }\n        }\n\n        if (context.method === \"next\") {\n          // Setting context._sent for legacy support of Babel's\n          // function.sent implementation.\n          context.sent = context._sent = context.arg;\n\n        } else if (context.method === \"throw\") {\n          if (state === GenStateSuspendedStart) {\n            state = GenStateCompleted;\n            throw context.arg;\n          }\n\n          context.dispatchException(context.arg);\n\n        } else if (context.method === \"return\") {\n          context.abrupt(\"return\", context.arg);\n        }\n\n        state = GenStateExecuting;\n\n        var record = tryCatch(innerFn, self, context);\n        if (record.type === \"normal\") {\n          // If an exception is thrown from innerFn, we leave state ===\n          // GenStateExecuting and loop back for another invocation.\n          state = context.done\n            ? GenStateCompleted\n            : GenStateSuspendedYield;\n\n          if (record.arg === ContinueSentinel) {\n            continue;\n          }\n\n          return {\n            value: record.arg,\n            done: context.done\n          };\n\n        } else if (record.type === \"throw\") {\n          state = GenStateCompleted;\n          // Dispatch the exception by looping back around to the\n          // context.dispatchException(context.arg) call above.\n          context.method = \"throw\";\n          context.arg = record.arg;\n        }\n      }\n    };\n  }\n\n  // Call delegate.iterator[context.method](context.arg) and handle the\n  // result, either by returning a { value, done } result from the\n  // delegate iterator, or by modifying context.method and context.arg,\n  // setting context.delegate to null, and returning the ContinueSentinel.\n  function maybeInvokeDelegate(delegate, context) {\n    var method = delegate.iterator[context.method];\n    if (method === undefined) {\n      // A .throw or .return when the delegate iterator has no .throw\n      // method always terminates the yield* loop.\n      context.delegate = null;\n\n      if (context.method === \"throw\") {\n        // Note: [\"return\"] must be used for ES3 parsing compatibility.\n        if (delegate.iterator[\"return\"]) {\n          // If the delegate iterator has a return method, give it a\n          // chance to clean up.\n          context.method = \"return\";\n          context.arg = undefined;\n          maybeInvokeDelegate(delegate, context);\n\n          if (context.method === \"throw\") {\n            // If maybeInvokeDelegate(context) changed context.method from\n            // \"return\" to \"throw\", let that override the TypeError below.\n            return ContinueSentinel;\n          }\n        }\n\n        context.method = \"throw\";\n        context.arg = new TypeError(\n          \"The iterator does not provide a 'throw' method\");\n      }\n\n      return ContinueSentinel;\n    }\n\n    var record = tryCatch(method, delegate.iterator, context.arg);\n\n    if (record.type === \"throw\") {\n      context.method = \"throw\";\n      context.arg = record.arg;\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    var info = record.arg;\n\n    if (! info) {\n      context.method = \"throw\";\n      context.arg = new TypeError(\"iterator result is not an object\");\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    if (info.done) {\n      // Assign the result of the finished delegate to the temporary\n      // variable specified by delegate.resultName (see delegateYield).\n      context[delegate.resultName] = info.value;\n\n      // Resume execution at the desired location (see delegateYield).\n      context.next = delegate.nextLoc;\n\n      // If context.method was \"throw\" but the delegate handled the\n      // exception, let the outer generator proceed normally. If\n      // context.method was \"next\", forget context.arg since it has been\n      // \"consumed\" by the delegate iterator. If context.method was\n      // \"return\", allow the original .return call to continue in the\n      // outer generator.\n      if (context.method !== \"return\") {\n        context.method = \"next\";\n        context.arg = undefined;\n      }\n\n    } else {\n      // Re-yield the result returned by the delegate method.\n      return info;\n    }\n\n    // The delegate iterator is finished, so forget it and continue with\n    // the outer generator.\n    context.delegate = null;\n    return ContinueSentinel;\n  }\n\n  // Define Generator.prototype.{next,throw,return} in terms of the\n  // unified ._invoke helper method.\n  defineIteratorMethods(Gp);\n\n  define(Gp, toStringTagSymbol, \"Generator\");\n\n  // A Generator should always return itself as the iterator object when the\n  // @@iterator function is called on it. Some browsers' implementations of the\n  // iterator prototype chain incorrectly implement this, causing the Generator\n  // object to not be returned from this call. This ensures that doesn't happen.\n  // See https://github.com/facebook/regenerator/issues/274 for more details.\n  Gp[iteratorSymbol] = function() {\n    return this;\n  };\n\n  Gp.toString = function() {\n    return \"[object Generator]\";\n  };\n\n  function pushTryEntry(locs) {\n    var entry = { tryLoc: locs[0] };\n\n    if (1 in locs) {\n      entry.catchLoc = locs[1];\n    }\n\n    if (2 in locs) {\n      entry.finallyLoc = locs[2];\n      entry.afterLoc = locs[3];\n    }\n\n    this.tryEntries.push(entry);\n  }\n\n  function resetTryEntry(entry) {\n    var record = entry.completion || {};\n    record.type = \"normal\";\n    delete record.arg;\n    entry.completion = record;\n  }\n\n  function Context(tryLocsList) {\n    // The root entry object (effectively a try statement without a catch\n    // or a finally block) gives us a place to store values thrown from\n    // locations where there is no enclosing try statement.\n    this.tryEntries = [{ tryLoc: \"root\" }];\n    tryLocsList.forEach(pushTryEntry, this);\n    this.reset(true);\n  }\n\n  exports.keys = function(object) {\n    var keys = [];\n    for (var key in object) {\n      keys.push(key);\n    }\n    keys.reverse();\n\n    // Rather than returning an object with a next method, we keep\n    // things simple and return the next function itself.\n    return function next() {\n      while (keys.length) {\n        var key = keys.pop();\n        if (key in object) {\n          next.value = key;\n          next.done = false;\n          return next;\n        }\n      }\n\n      // To avoid creating an additional object, we just hang the .value\n      // and .done properties off the next function object itself. This\n      // also ensures that the minifier will not anonymize the function.\n      next.done = true;\n      return next;\n    };\n  };\n\n  function values(iterable) {\n    if (iterable) {\n      var iteratorMethod = iterable[iteratorSymbol];\n      if (iteratorMethod) {\n        return iteratorMethod.call(iterable);\n      }\n\n      if (typeof iterable.next === \"function\") {\n        return iterable;\n      }\n\n      if (!isNaN(iterable.length)) {\n        var i = -1, next = function next() {\n          while (++i < iterable.length) {\n            if (hasOwn.call(iterable, i)) {\n              next.value = iterable[i];\n              next.done = false;\n              return next;\n            }\n          }\n\n          next.value = undefined;\n          next.done = true;\n\n          return next;\n        };\n\n        return next.next = next;\n      }\n    }\n\n    // Return an iterator with no values.\n    return { next: doneResult };\n  }\n  exports.values = values;\n\n  function doneResult() {\n    return { value: undefined, done: true };\n  }\n\n  Context.prototype = {\n    constructor: Context,\n\n    reset: function(skipTempReset) {\n      this.prev = 0;\n      this.next = 0;\n      // Resetting context._sent for legacy support of Babel's\n      // function.sent implementation.\n      this.sent = this._sent = undefined;\n      this.done = false;\n      this.delegate = null;\n\n      this.method = \"next\";\n      this.arg = undefined;\n\n      this.tryEntries.forEach(resetTryEntry);\n\n      if (!skipTempReset) {\n        for (var name in this) {\n          // Not sure about the optimal order of these conditions:\n          if (name.charAt(0) === \"t\" &&\n              hasOwn.call(this, name) &&\n              !isNaN(+name.slice(1))) {\n            this[name] = undefined;\n          }\n        }\n      }\n    },\n\n    stop: function() {\n      this.done = true;\n\n      var rootEntry = this.tryEntries[0];\n      var rootRecord = rootEntry.completion;\n      if (rootRecord.type === \"throw\") {\n        throw rootRecord.arg;\n      }\n\n      return this.rval;\n    },\n\n    dispatchException: function(exception) {\n      if (this.done) {\n        throw exception;\n      }\n\n      var context = this;\n      function handle(loc, caught) {\n        record.type = \"throw\";\n        record.arg = exception;\n        context.next = loc;\n\n        if (caught) {\n          // If the dispatched exception was caught by a catch block,\n          // then let that catch block handle the exception normally.\n          context.method = \"next\";\n          context.arg = undefined;\n        }\n\n        return !! caught;\n      }\n\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        var record = entry.completion;\n\n        if (entry.tryLoc === \"root\") {\n          // Exception thrown outside of any try block that could handle\n          // it, so set the completion value of the entire function to\n          // throw the exception.\n          return handle(\"end\");\n        }\n\n        if (entry.tryLoc <= this.prev) {\n          var hasCatch = hasOwn.call(entry, \"catchLoc\");\n          var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n          if (hasCatch && hasFinally) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            } else if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else if (hasCatch) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            }\n\n          } else if (hasFinally) {\n            if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else {\n            throw new Error(\"try statement without catch or finally\");\n          }\n        }\n      }\n    },\n\n    abrupt: function(type, arg) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc <= this.prev &&\n            hasOwn.call(entry, \"finallyLoc\") &&\n            this.prev < entry.finallyLoc) {\n          var finallyEntry = entry;\n          break;\n        }\n      }\n\n      if (finallyEntry &&\n          (type === \"break\" ||\n           type === \"continue\") &&\n          finallyEntry.tryLoc <= arg &&\n          arg <= finallyEntry.finallyLoc) {\n        // Ignore the finally entry if control is not jumping to a\n        // location outside the try/catch block.\n        finallyEntry = null;\n      }\n\n      var record = finallyEntry ? finallyEntry.completion : {};\n      record.type = type;\n      record.arg = arg;\n\n      if (finallyEntry) {\n        this.method = \"next\";\n        this.next = finallyEntry.finallyLoc;\n        return ContinueSentinel;\n      }\n\n      return this.complete(record);\n    },\n\n    complete: function(record, afterLoc) {\n      if (record.type === \"throw\") {\n        throw record.arg;\n      }\n\n      if (record.type === \"break\" ||\n          record.type === \"continue\") {\n        this.next = record.arg;\n      } else if (record.type === \"return\") {\n        this.rval = this.arg = record.arg;\n        this.method = \"return\";\n        this.next = \"end\";\n      } else if (record.type === \"normal\" && afterLoc) {\n        this.next = afterLoc;\n      }\n\n      return ContinueSentinel;\n    },\n\n    finish: function(finallyLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.finallyLoc === finallyLoc) {\n          this.complete(entry.completion, entry.afterLoc);\n          resetTryEntry(entry);\n          return ContinueSentinel;\n        }\n      }\n    },\n\n    \"catch\": function(tryLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc === tryLoc) {\n          var record = entry.completion;\n          if (record.type === \"throw\") {\n            var thrown = record.arg;\n            resetTryEntry(entry);\n          }\n          return thrown;\n        }\n      }\n\n      // The context.catch method must only be called with a location\n      // argument that corresponds to a known catch block.\n      throw new Error(\"illegal catch attempt\");\n    },\n\n    delegateYield: function(iterable, resultName, nextLoc) {\n      this.delegate = {\n        iterator: values(iterable),\n        resultName: resultName,\n        nextLoc: nextLoc\n      };\n\n      if (this.method === \"next\") {\n        // Deliberately forget the last sent value so that we don't\n        // accidentally pass it on to the delegate.\n        this.arg = undefined;\n      }\n\n      return ContinueSentinel;\n    }\n  };\n\n  // Regardless of whether this script is executing as a CommonJS module\n  // or not, return the runtime object so that we can declare the variable\n  // regeneratorRuntime in the outer scope, which allows this module to be\n  // injected easily by `bin/regenerator --include-runtime script.js`.\n  return exports;\n\n}(\n  // If this script is executing as a CommonJS module, use module.exports\n  // as the regeneratorRuntime namespace. Otherwise create a new empty\n  // object. Either way, the resulting object will be used to initialize\n  // the regeneratorRuntime variable at the top of this file.\n  typeof module === \"object\" ? module.exports : {}\n));\n\ntry {\n  regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n  // This module should not be running in strict mode, so the above\n  // assignment should always work unless something is misconfigured. Just\n  // in case runtime.js accidentally runs in strict mode, we can escape\n  // strict mode using a global Function call. This could conceivably fail\n  // if a Content Security Policy forbids using Function, but in that case\n  // the proper solution is to fix the accidental strict mode problem. If\n  // you've misconfigured your bundler to force strict mode and applied a\n  // CSP to forbid Function, and you're not willing to fix either of those\n  // problems, please detail your unique predicament in a GitHub issue.\n  Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport \"./compatibility.js\";\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  MOVIE: 19,\n  WIDGET: 20,\n  SCREEN: 21,\n  PRINTERMARK: 22,\n  TRAPNET: 23,\n  WATERMARK: 24,\n  THREED: 25,\n  REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n  MARKED: \"Marked\",\n  REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n  MARKED: \"Marked\",\n  UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n  ACCEPTED: \"Accepted\",\n  REJECTED: \"Rejected\",\n  CANCELLED: \"Cancelled\",\n  COMPLETED: \"Completed\",\n  NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n  GROUP: \"Group\",\n  REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n  INVISIBLE: 0x01,\n  HIDDEN: 0x02,\n  PRINT: 0x04,\n  NOZOOM: 0x08,\n  NOROTATE: 0x10,\n  NOVIEW: 0x20,\n  READONLY: 0x40,\n  LOCKED: 0x80,\n  TOGGLENOVIEW: 0x100,\n  LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n  READONLY: 0x0000001,\n  REQUIRED: 0x0000002,\n  NOEXPORT: 0x0000004,\n  MULTILINE: 0x0001000,\n  PASSWORD: 0x0002000,\n  NOTOGGLETOOFF: 0x0004000,\n  RADIO: 0x0008000,\n  PUSHBUTTON: 0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","require('../modules/es.global-this');\n\nmodule.exports = require('../internals/global');\n","var $ = require('../internals/export');\nvar global = require('../internals/global');\n\n// `globalThis` object\n// https://github.com/tc39/proposal-global\n$({ global: true }, {\n  globalThis: global\n});\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar setGlobal = require('../internals/set-global');\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar isForced = require('../internals/is-forced');\n\n/*\n  options.target      - name of the target object\n  options.global      - target is the global object\n  options.stat        - export as static methods of target\n  options.proto       - export as prototype methods of target\n  options.real        - real prototype method for the `pure` version\n  options.forced      - export even if the native feature is available\n  options.bind        - bind methods to the target, required for the `pure` version\n  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version\n  options.unsafe      - use the simple assignment of property instead of delete + defineProperty\n  options.sham        - add a flag to not completely full polyfills\n  options.enumerable  - export as enumerable property\n  options.noTargetGet - prevent calling a getter on target\n*/\nmodule.exports = function (options, source) {\n  var TARGET = options.target;\n  var GLOBAL = options.global;\n  var STATIC = options.stat;\n  var FORCED, target, key, targetProperty, sourceProperty, descriptor;\n  if (GLOBAL) {\n    target = global;\n  } else if (STATIC) {\n    target = global[TARGET] || setGlobal(TARGET, {});\n  } else {\n    target = (global[TARGET] || {}).prototype;\n  }\n  if (target) for (key in source) {\n    sourceProperty = source[key];\n    if (options.noTargetGet) {\n      descriptor = getOwnPropertyDescriptor(target, key);\n      targetProperty = descriptor && descriptor.value;\n    } else targetProperty = target[key];\n    FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);\n    // contained in target\n    if (!FORCED && targetProperty !== undefined) {\n      if (typeof sourceProperty === typeof targetProperty) continue;\n      copyConstructorProperties(sourceProperty, targetProperty);\n    }\n    // add a flag to not completely full polyfills\n    if (options.sham || (targetProperty && targetProperty.sham)) {\n      createNonEnumerableProperty(sourceProperty, 'sham', true);\n    }\n    // extend global\n    redefine(target, key, sourceProperty, options);\n  }\n};\n","var check = function (it) {\n  return it && it.Math == Math && it;\n};\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nmodule.exports =\n  // eslint-disable-next-line no-undef\n  check(typeof globalThis == 'object' && globalThis) ||\n  check(typeof window == 'object' && window) ||\n  check(typeof self == 'object' && self) ||\n  check(typeof global == 'object' && global) ||\n  // eslint-disable-next-line no-new-func\n  Function('return this')();\n","var DESCRIPTORS = require('../internals/descriptors');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar has = require('../internals/has');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\n\nvar nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// `Object.getOwnPropertyDescriptor` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor\nexports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {\n  O = toIndexedObject(O);\n  P = toPrimitive(P, true);\n  if (IE8_DOM_DEFINE) try {\n    return nativeGetOwnPropertyDescriptor(O, P);\n  } catch (error) { /* empty */ }\n  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);\n};\n","var fails = require('../internals/fails');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !fails(function () {\n  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;\n});\n","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (error) {\n    return true;\n  }\n};\n","'use strict';\nvar nativePropertyIsEnumerable = {}.propertyIsEnumerable;\nvar getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// Nashorn ~ JDK8 bug\nvar NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);\n\n// `Object.prototype.propertyIsEnumerable` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable\nexports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {\n  var descriptor = getOwnPropertyDescriptor(this, V);\n  return !!descriptor && descriptor.enumerable;\n} : nativePropertyIsEnumerable;\n","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n","// toObject with fallback for non-array-like ES3 strings\nvar IndexedObject = require('../internals/indexed-object');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nmodule.exports = function (it) {\n  return IndexedObject(requireObjectCoercible(it));\n};\n","var fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\n\nvar split = ''.split;\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nmodule.exports = fails(function () {\n  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346\n  // eslint-disable-next-line no-prototype-builtins\n  return !Object('z').propertyIsEnumerable(0);\n}) ? function (it) {\n  return classof(it) == 'String' ? split.call(it, '') : Object(it);\n} : Object;\n","var toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n","// `RequireObjectCoercible` abstract operation\n// https://tc39.github.io/ecma262/#sec-requireobjectcoercible\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n  return it;\n};\n","var isObject = require('../internals/is-object');\n\n// `ToPrimitive` abstract operation\n// https://tc39.github.io/ecma262/#sec-toprimitive\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (input, PREFERRED_STRING) {\n  if (!isObject(input)) return input;\n  var fn, val;\n  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n","var hasOwnProperty = {}.hasOwnProperty;\n\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar createElement = require('../internals/document-create-element');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !DESCRIPTORS && !fails(function () {\n  return Object.defineProperty(createElement('div'), 'a', {\n    get: function () { return 7; }\n  }).a != 7;\n});\n","var global = require('../internals/global');\nvar isObject = require('../internals/is-object');\n\nvar document = global.document;\n// typeof document.createElement is 'object' in old IE\nvar EXISTS = isObject(document) && isObject(document.createElement);\n\nmodule.exports = function (it) {\n  return EXISTS ? document.createElement(it) : {};\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = DESCRIPTORS ? function (object, key, value) {\n  return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\nvar anObject = require('../internals/an-object');\nvar toPrimitive = require('../internals/to-primitive');\n\nvar nativeDefineProperty = Object.defineProperty;\n\n// `Object.defineProperty` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperty\nexports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return nativeDefineProperty(O, P, Attributes);\n  } catch (error) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it)) {\n    throw TypeError(String(it) + ' is not an object');\n  } return it;\n};\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar setGlobal = require('../internals/set-global');\nvar inspectSource = require('../internals/inspect-source');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar getInternalState = InternalStateModule.get;\nvar enforceInternalState = InternalStateModule.enforce;\nvar TEMPLATE = String(String).split('String');\n\n(module.exports = function (O, key, value, options) {\n  var unsafe = options ? !!options.unsafe : false;\n  var simple = options ? !!options.enumerable : false;\n  var noTargetGet = options ? !!options.noTargetGet : false;\n  if (typeof value == 'function') {\n    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);\n    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');\n  }\n  if (O === global) {\n    if (simple) O[key] = value;\n    else setGlobal(key, value);\n    return;\n  } else if (!unsafe) {\n    delete O[key];\n  } else if (!noTargetGet && O[key]) {\n    simple = true;\n  }\n  if (simple) O[key] = value;\n  else createNonEnumerableProperty(O, key, value);\n// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative\n})(Function.prototype, 'toString', function toString() {\n  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);\n});\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\n\nmodule.exports = function (key, value) {\n  try {\n    createNonEnumerableProperty(global, key, value);\n  } catch (error) {\n    global[key] = value;\n  } return value;\n};\n","var store = require('../internals/shared-store');\n\nvar functionToString = Function.toString;\n\n// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper\nif (typeof store.inspectSource != 'function') {\n  store.inspectSource = function (it) {\n    return functionToString.call(it);\n  };\n}\n\nmodule.exports = store.inspectSource;\n","var global = require('../internals/global');\nvar setGlobal = require('../internals/set-global');\n\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || setGlobal(SHARED, {});\n\nmodule.exports = store;\n","var NATIVE_WEAK_MAP = require('../internals/native-weak-map');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar objectHas = require('../internals/has');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\n\nvar WeakMap = global.WeakMap;\nvar set, get, has;\n\nvar enforce = function (it) {\n  return has(it) ? get(it) : set(it, {});\n};\n\nvar getterFor = function (TYPE) {\n  return function (it) {\n    var state;\n    if (!isObject(it) || (state = get(it)).type !== TYPE) {\n      throw TypeError('Incompatible receiver, ' + TYPE + ' required');\n    } return state;\n  };\n};\n\nif (NATIVE_WEAK_MAP) {\n  var store = new WeakMap();\n  var wmget = store.get;\n  var wmhas = store.has;\n  var wmset = store.set;\n  set = function (it, metadata) {\n    wmset.call(store, it, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return wmget.call(store, it) || {};\n  };\n  has = function (it) {\n    return wmhas.call(store, it);\n  };\n} else {\n  var STATE = sharedKey('state');\n  hiddenKeys[STATE] = true;\n  set = function (it, metadata) {\n    createNonEnumerableProperty(it, STATE, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return objectHas(it, STATE) ? it[STATE] : {};\n  };\n  has = function (it) {\n    return objectHas(it, STATE);\n  };\n}\n\nmodule.exports = {\n  set: set,\n  get: get,\n  has: has,\n  enforce: enforce,\n  getterFor: getterFor\n};\n","var global = require('../internals/global');\nvar inspectSource = require('../internals/inspect-source');\n\nvar WeakMap = global.WeakMap;\n\nmodule.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));\n","var shared = require('../internals/shared');\nvar uid = require('../internals/uid');\n\nvar keys = shared('keys');\n\nmodule.exports = function (key) {\n  return keys[key] || (keys[key] = uid(key));\n};\n","var IS_PURE = require('../internals/is-pure');\nvar store = require('../internals/shared-store');\n\n(module.exports = function (key, value) {\n  return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n  version: '3.6.5',\n  mode: IS_PURE ? 'pure' : 'global',\n  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'\n});\n","module.exports = false;\n","var id = 0;\nvar postfix = Math.random();\n\nmodule.exports = function (key) {\n  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);\n};\n","module.exports = {};\n","var has = require('../internals/has');\nvar ownKeys = require('../internals/own-keys');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\n\nmodule.exports = function (target, source) {\n  var keys = ownKeys(source);\n  var defineProperty = definePropertyModule.f;\n  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i];\n    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));\n  }\n};\n","var getBuiltIn = require('../internals/get-built-in');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar anObject = require('../internals/an-object');\n\n// all object keys, includes non-enumerable and symbols\nmodule.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {\n  var keys = getOwnPropertyNamesModule.f(anObject(it));\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;\n};\n","var path = require('../internals/path');\nvar global = require('../internals/global');\n\nvar aFunction = function (variable) {\n  return typeof variable == 'function' ? variable : undefined;\n};\n\nmodule.exports = function (namespace, method) {\n  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace])\n    : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];\n};\n","var global = require('../internals/global');\n\nmodule.exports = global;\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\nvar hiddenKeys = enumBugKeys.concat('length', 'prototype');\n\n// `Object.getOwnPropertyNames` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertynames\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n  return internalObjectKeys(O, hiddenKeys);\n};\n","var has = require('../internals/has');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar indexOf = require('../internals/array-includes').indexOf;\nvar hiddenKeys = require('../internals/hidden-keys');\n\nmodule.exports = function (object, names) {\n  var O = toIndexedObject(object);\n  var i = 0;\n  var result = [];\n  var key;\n  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while (names.length > i) if (has(O, key = names[i++])) {\n    ~indexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar toLength = require('../internals/to-length');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\n// `Array.prototype.{ indexOf, includes }` methods implementation\nvar createMethod = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIndexedObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) {\n      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.includes` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.includes\n  includes: createMethod(true),\n  // `Array.prototype.indexOf` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof\n  indexOf: createMethod(false)\n};\n","var toInteger = require('../internals/to-integer');\n\nvar min = Math.min;\n\n// `ToLength` abstract operation\n// https://tc39.github.io/ecma262/#sec-tolength\nmodule.exports = function (argument) {\n  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991\n};\n","var ceil = Math.ceil;\nvar floor = Math.floor;\n\n// `ToInteger` abstract operation\n// https://tc39.github.io/ecma262/#sec-tointeger\nmodule.exports = function (argument) {\n  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);\n};\n","var toInteger = require('../internals/to-integer');\n\nvar max = Math.max;\nvar min = Math.min;\n\n// Helper for a popular repeating case of the spec:\n// Let integer be ? ToInteger(index).\n// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).\nmodule.exports = function (index, length) {\n  var integer = toInteger(index);\n  return integer < 0 ? max(integer + length, 0) : min(integer, length);\n};\n","// IE8- don't enum bug keys\nmodule.exports = [\n  'constructor',\n  'hasOwnProperty',\n  'isPrototypeOf',\n  'propertyIsEnumerable',\n  'toLocaleString',\n  'toString',\n  'valueOf'\n];\n","exports.f = Object.getOwnPropertySymbols;\n","var fails = require('../internals/fails');\n\nvar replacement = /#|\\.prototype\\./;\n\nvar isForced = function (feature, detection) {\n  var value = data[normalize(feature)];\n  return value == POLYFILL ? true\n    : value == NATIVE ? false\n    : typeof detection == 'function' ? fails(detection)\n    : !!detection;\n};\n\nvar normalize = isForced.normalize = function (string) {\n  return String(string).replace(replacement, '.').toLowerCase();\n};\n\nvar data = isForced.data = {};\nvar NATIVE = isForced.NATIVE = 'N';\nvar POLYFILL = isForced.POLYFILL = 'P';\n\nmodule.exports = isForced;\n","require('../../modules/es.string.starts-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'startsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeStartsWith = ''.startsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.startsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.startswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  startsWith: function startsWith(searchString /* , position = 0 */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n    var search = String(searchString);\n    return nativeStartsWith\n      ? nativeStartsWith.call(that, search, index)\n      : that.slice(index, index + search.length) === search;\n  }\n});\n","var isRegExp = require('../internals/is-regexp');\n\nmodule.exports = function (it) {\n  if (isRegExp(it)) {\n    throw TypeError(\"The method doesn't accept regular expressions\");\n  } return it;\n};\n","var isObject = require('../internals/is-object');\nvar classof = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\n// `IsRegExp` abstract operation\n// https://tc39.github.io/ecma262/#sec-isregexp\nmodule.exports = function (it) {\n  var isRegExp;\n  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');\n};\n","var global = require('../internals/global');\nvar shared = require('../internals/shared');\nvar has = require('../internals/has');\nvar uid = require('../internals/uid');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\n\nvar WellKnownSymbolsStore = shared('wks');\nvar Symbol = global.Symbol;\nvar createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;\n\nmodule.exports = function (name) {\n  if (!has(WellKnownSymbolsStore, name)) {\n    if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];\n    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);\n  } return WellKnownSymbolsStore[name];\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !!Object.getOwnPropertySymbols && !fails(function () {\n  // Chrome 38 Symbol has incorrect toString conversion\n  // eslint-disable-next-line no-undef\n  return !String(Symbol());\n});\n","var NATIVE_SYMBOL = require('../internals/native-symbol');\n\nmodule.exports = NATIVE_SYMBOL\n  // eslint-disable-next-line no-undef\n  && !Symbol.sham\n  // eslint-disable-next-line no-undef\n  && typeof Symbol.iterator == 'symbol';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\nmodule.exports = function (METHOD_NAME) {\n  var regexp = /./;\n  try {\n    '/./'[METHOD_NAME](regexp);\n  } catch (e) {\n    try {\n      regexp[MATCH] = false;\n      return '/./'[METHOD_NAME](regexp);\n    } catch (f) { /* empty */ }\n  } return false;\n};\n","var global = require('../internals/global');\nvar bind = require('../internals/function-bind-context');\n\nvar call = Function.call;\n\nmodule.exports = function (CONSTRUCTOR, METHOD, length) {\n  return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);\n};\n","var aFunction = require('../internals/a-function');\n\n// optional / simple context binding\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 0: return function () {\n      return fn.call(that);\n    };\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n","module.exports = function (it) {\n  if (typeof it != 'function') {\n    throw TypeError(String(it) + ' is not a function');\n  } return it;\n};\n","require('../../modules/es.string.ends-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'endsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeEndsWith = ''.endsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.endsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.endswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  endsWith: function endsWith(searchString /* , endPosition = @length */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var endPosition = arguments.length > 1 ? arguments[1] : undefined;\n    var len = toLength(that.length);\n    var end = endPosition === undefined ? len : min(toLength(endPosition), len);\n    var search = String(searchString);\n    return nativeEndsWith\n      ? nativeEndsWith.call(that, search, end)\n      : that.slice(end - search.length, end) === search;\n  }\n});\n","require('../../modules/es.string.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\n\n// `String.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.includes\n$({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, {\n  includes: function includes(searchString /* , position = 0 */) {\n    return !!~String(requireObjectCoercible(this))\n      .indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.array.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('Array', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar $includes = require('../internals/array-includes').includes;\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\n\n// `Array.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.includes\n$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {\n  includes: function includes(el /* , fromIndex = 0 */) {\n    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('includes');\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar create = require('../internals/object-create');\nvar definePropertyModule = require('../internals/object-define-property');\n\nvar UNSCOPABLES = wellKnownSymbol('unscopables');\nvar ArrayPrototype = Array.prototype;\n\n// Array.prototype[@@unscopables]\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\nif (ArrayPrototype[UNSCOPABLES] == undefined) {\n  definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {\n    configurable: true,\n    value: create(null)\n  });\n}\n\n// add a key to Array.prototype[@@unscopables]\nmodule.exports = function (key) {\n  ArrayPrototype[UNSCOPABLES][key] = true;\n};\n","var anObject = require('../internals/an-object');\nvar defineProperties = require('../internals/object-define-properties');\nvar enumBugKeys = require('../internals/enum-bug-keys');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar html = require('../internals/html');\nvar documentCreateElement = require('../internals/document-create-element');\nvar sharedKey = require('../internals/shared-key');\n\nvar GT = '>';\nvar LT = '<';\nvar PROTOTYPE = 'prototype';\nvar SCRIPT = 'script';\nvar IE_PROTO = sharedKey('IE_PROTO');\n\nvar EmptyConstructor = function () { /* empty */ };\n\nvar scriptTag = function (content) {\n  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;\n};\n\n// Create object with fake `null` prototype: use ActiveX Object with cleared prototype\nvar NullProtoObjectViaActiveX = function (activeXDocument) {\n  activeXDocument.write(scriptTag(''));\n  activeXDocument.close();\n  var temp = activeXDocument.parentWindow.Object;\n  activeXDocument = null; // avoid memory leak\n  return temp;\n};\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar NullProtoObjectViaIFrame = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = documentCreateElement('iframe');\n  var JS = 'java' + SCRIPT + ':';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  html.appendChild(iframe);\n  // https://github.com/zloirock/core-js/issues/475\n  iframe.src = String(JS);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(scriptTag('document.F=Object'));\n  iframeDocument.close();\n  return iframeDocument.F;\n};\n\n// Check for document.domain and active x support\n// No need to use active x approach when document.domain is not set\n// see https://github.com/es-shims/es5-shim/issues/150\n// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346\n// avoid IE GC bug\nvar activeXDocument;\nvar NullProtoObject = function () {\n  try {\n    /* global ActiveXObject */\n    activeXDocument = document.domain && new ActiveXObject('htmlfile');\n  } catch (error) { /* ignore */ }\n  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();\n  var length = enumBugKeys.length;\n  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];\n  return NullProtoObject();\n};\n\nhiddenKeys[IE_PROTO] = true;\n\n// `Object.create` method\n// https://tc39.github.io/ecma262/#sec-object.create\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    EmptyConstructor[PROTOTYPE] = anObject(O);\n    result = new EmptyConstructor();\n    EmptyConstructor[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = NullProtoObject();\n  return Properties === undefined ? result : defineProperties(result, Properties);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar anObject = require('../internals/an-object');\nvar objectKeys = require('../internals/object-keys');\n\n// `Object.defineProperties` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperties\nmodule.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = objectKeys(Properties);\n  var length = keys.length;\n  var index = 0;\n  var key;\n  while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);\n  return O;\n};\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\n// `Object.keys` method\n// https://tc39.github.io/ecma262/#sec-object.keys\nmodule.exports = Object.keys || function keys(O) {\n  return internalObjectKeys(O, enumBugKeys);\n};\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('document', 'documentElement');\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\n\nvar defineProperty = Object.defineProperty;\nvar cache = {};\n\nvar thrower = function (it) { throw it; };\n\nmodule.exports = function (METHOD_NAME, options) {\n  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];\n  if (!options) options = {};\n  var method = [][METHOD_NAME];\n  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;\n  var argument0 = has(options, 0) ? options[0] : thrower;\n  var argument1 = has(options, 1) ? options[1] : undefined;\n\n  return cache[METHOD_NAME] = !!method && !fails(function () {\n    if (ACCESSORS && !DESCRIPTORS) return true;\n    var O = { length: -1 };\n\n    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });\n    else O[1] = 1;\n\n    method.call(O, argument0, argument1);\n  });\n};\n","require('../../modules/es.string.iterator');\nrequire('../../modules/es.array.from');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Array.from;\n","'use strict';\nvar charAt = require('../internals/string-multibyte').charAt;\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar STRING_ITERATOR = 'String Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);\n\n// `String.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator\ndefineIterator(String, 'String', function (iterated) {\n  setInternalState(this, {\n    type: STRING_ITERATOR,\n    string: String(iterated),\n    index: 0\n  });\n// `%StringIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next\n}, function next() {\n  var state = getInternalState(this);\n  var string = state.string;\n  var index = state.index;\n  var point;\n  if (index >= string.length) return { value: undefined, done: true };\n  point = charAt(string, index);\n  state.index += point.length;\n  return { value: point, done: false };\n});\n","var toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.{ codePointAt, at }` methods implementation\nvar createMethod = function (CONVERT_TO_STRING) {\n  return function ($this, pos) {\n    var S = String(requireObjectCoercible($this));\n    var position = toInteger(pos);\n    var size = S.length;\n    var first, second;\n    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;\n    first = S.charCodeAt(position);\n    return first < 0xD800 || first > 0xDBFF || position + 1 === size\n      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF\n        ? CONVERT_TO_STRING ? S.charAt(position) : first\n        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.codePointAt` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n  codeAt: createMethod(false),\n  // `String.prototype.at` method\n  // https://github.com/mathiasbynens/String.prototype.at\n  charAt: createMethod(true)\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\nvar Iterators = require('../internals/iterators');\nvar IteratorsCore = require('../internals/iterators-core');\n\nvar IteratorPrototype = IteratorsCore.IteratorPrototype;\nvar BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;\nvar ITERATOR = wellKnownSymbol('iterator');\nvar KEYS = 'keys';\nvar VALUES = 'values';\nvar ENTRIES = 'entries';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {\n  createIteratorConstructor(IteratorConstructor, NAME, next);\n\n  var getIterationMethod = function (KIND) {\n    if (KIND === DEFAULT && defaultIterator) return defaultIterator;\n    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];\n    switch (KIND) {\n      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };\n      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };\n      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };\n    } return function () { return new IteratorConstructor(this); };\n  };\n\n  var TO_STRING_TAG = NAME + ' Iterator';\n  var INCORRECT_VALUES_NAME = false;\n  var IterablePrototype = Iterable.prototype;\n  var nativeIterator = IterablePrototype[ITERATOR]\n    || IterablePrototype['@@iterator']\n    || DEFAULT && IterablePrototype[DEFAULT];\n  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);\n  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;\n  var CurrentIteratorPrototype, methods, KEY;\n\n  // fix native\n  if (anyNativeIterator) {\n    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));\n    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {\n      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {\n        if (setPrototypeOf) {\n          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);\n        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {\n          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);\n        }\n      }\n      // Set @@toStringTag to native iterators\n      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);\n      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;\n    }\n  }\n\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {\n    INCORRECT_VALUES_NAME = true;\n    defaultIterator = function values() { return nativeIterator.call(this); };\n  }\n\n  // define iterator\n  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {\n    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);\n  }\n  Iterators[NAME] = defaultIterator;\n\n  // export additional methods\n  if (DEFAULT) {\n    methods = {\n      values: getIterationMethod(VALUES),\n      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),\n      entries: getIterationMethod(ENTRIES)\n    };\n    if (FORCED) for (KEY in methods) {\n      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {\n        redefine(IterablePrototype, KEY, methods[KEY]);\n      }\n    } else $({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);\n  }\n\n  return methods;\n};\n","'use strict';\nvar IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar Iterators = require('../internals/iterators');\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (IteratorConstructor, NAME, next) {\n  var TO_STRING_TAG = NAME + ' Iterator';\n  IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });\n  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);\n  Iterators[TO_STRING_TAG] = returnThis;\n  return IteratorConstructor;\n};\n","'use strict';\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar BUGGY_SAFARI_ITERATORS = false;\n\nvar returnThis = function () { return this; };\n\n// `%IteratorPrototype%` object\n// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object\nvar IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;\n\nif ([].keys) {\n  arrayIterator = [].keys();\n  // Safari 8 has buggy iterators w/o `next`\n  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;\n  else {\n    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));\n    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;\n  }\n}\n\nif (IteratorPrototype == undefined) IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nif (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {\n  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);\n}\n\nmodule.exports = {\n  IteratorPrototype: IteratorPrototype,\n  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS\n};\n","var has = require('../internals/has');\nvar toObject = require('../internals/to-object');\nvar sharedKey = require('../internals/shared-key');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar IE_PROTO = sharedKey('IE_PROTO');\nvar ObjectPrototype = Object.prototype;\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\nmodule.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectPrototype : null;\n};\n","var requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `ToObject` abstract operation\n// https://tc39.github.io/ecma262/#sec-toobject\nmodule.exports = function (argument) {\n  return Object(requireObjectCoercible(argument));\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  function F() { /* empty */ }\n  F.prototype.constructor = null;\n  return Object.getPrototypeOf(new F()) !== F.prototype;\n});\n","var defineProperty = require('../internals/object-define-property').f;\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n\nmodule.exports = function (it, TAG, STATIC) {\n  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {\n    defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });\n  }\n};\n","module.exports = {};\n","var anObject = require('../internals/an-object');\nvar aPossiblePrototype = require('../internals/a-possible-prototype');\n\n// `Object.setPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.setprototypeof\n// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nmodule.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {\n  var CORRECT_SETTER = false;\n  var test = {};\n  var setter;\n  try {\n    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;\n    setter.call(test, []);\n    CORRECT_SETTER = test instanceof Array;\n  } catch (error) { /* empty */ }\n  return function setPrototypeOf(O, proto) {\n    anObject(O);\n    aPossiblePrototype(proto);\n    if (CORRECT_SETTER) setter.call(O, proto);\n    else O.__proto__ = proto;\n    return O;\n  };\n}() : undefined);\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it) && it !== null) {\n    throw TypeError(\"Can't set \" + String(it) + ' as a prototype');\n  } return it;\n};\n","var $ = require('../internals/export');\nvar from = require('../internals/array-from');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\n\nvar INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {\n  Array.from(iterable);\n});\n\n// `Array.from` method\n// https://tc39.github.io/ecma262/#sec-array.from\n$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {\n  from: from\n});\n","'use strict';\nvar bind = require('../internals/function-bind-context');\nvar toObject = require('../internals/to-object');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar getIteratorMethod = require('../internals/get-iterator-method');\n\n// `Array.from` method implementation\n// https://tc39.github.io/ecma262/#sec-array.from\nmodule.exports = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {\n  var O = toObject(arrayLike);\n  var C = typeof this == 'function' ? this : Array;\n  var argumentsLength = arguments.length;\n  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;\n  var mapping = mapfn !== undefined;\n  var iteratorMethod = getIteratorMethod(O);\n  var index = 0;\n  var length, result, step, iterator, next, value;\n  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);\n  // if the target is not iterable or it's an array with the default iterator - use a simple case\n  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {\n    iterator = iteratorMethod.call(O);\n    next = iterator.next;\n    result = new C();\n    for (;!(step = next.call(iterator)).done; index++) {\n      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;\n      createProperty(result, index, value);\n    }\n  } else {\n    length = toLength(O.length);\n    result = new C(length);\n    for (;length > index; index++) {\n      value = mapping ? mapfn(O[index], index) : O[index];\n      createProperty(result, index, value);\n    }\n  }\n  result.length = index;\n  return result;\n};\n","var anObject = require('../internals/an-object');\n\n// call something on iterator step with safe closing on error\nmodule.exports = function (iterator, fn, value, ENTRIES) {\n  try {\n    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);\n  // 7.4.6 IteratorClose(iterator, completion)\n  } catch (error) {\n    var returnMethod = iterator['return'];\n    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));\n    throw error;\n  }\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar Iterators = require('../internals/iterators');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar ArrayPrototype = Array.prototype;\n\n// check on default Array iterator\nmodule.exports = function (it) {\n  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);\n};\n","'use strict';\nvar toPrimitive = require('../internals/to-primitive');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = function (object, key, value) {\n  var propertyKey = toPrimitive(key);\n  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));\n  else object[propertyKey] = value;\n};\n","var classof = require('../internals/classof');\nvar Iterators = require('../internals/iterators');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\n\nmodule.exports = function (it) {\n  if (it != undefined) return it[ITERATOR]\n    || it['@@iterator']\n    || Iterators[classof(it)];\n};\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classofRaw = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n// ES3 wrong here\nvar CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n  try {\n    return it[key];\n  } catch (error) { /* empty */ }\n};\n\n// getting tag from ES6+ `Object.prototype.toString`\nmodule.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {\n  var O, tag, result;\n  return it === undefined ? 'Undefined' : it === null ? 'Null'\n    // @@toStringTag case\n    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag\n    // builtinTag case\n    : CORRECT_ARGUMENTS ? classofRaw(O)\n    // ES3 arguments fallback\n    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar test = {};\n\ntest[TO_STRING_TAG] = 'z';\n\nmodule.exports = String(test) === '[object z]';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar SAFE_CLOSING = false;\n\ntry {\n  var called = 0;\n  var iteratorWithReturn = {\n    next: function () {\n      return { done: !!called++ };\n    },\n    'return': function () {\n      SAFE_CLOSING = true;\n    }\n  };\n  iteratorWithReturn[ITERATOR] = function () {\n    return this;\n  };\n  // eslint-disable-next-line no-throw-literal\n  Array.from(iteratorWithReturn, function () { throw 2; });\n} catch (error) { /* empty */ }\n\nmodule.exports = function (exec, SKIP_CLOSING) {\n  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;\n  var ITERATION_SUPPORT = false;\n  try {\n    var object = {};\n    object[ITERATOR] = function () {\n      return {\n        next: function () {\n          return { done: ITERATION_SUPPORT = true };\n        }\n      };\n    };\n    exec(object);\n  } catch (error) { /* empty */ }\n  return ITERATION_SUPPORT;\n};\n","require('../../modules/es.object.assign');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.assign;\n","var $ = require('../internals/export');\nvar assign = require('../internals/object-assign');\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\n$({ target: 'Object', stat: true, forced: Object.assign !== assign }, {\n  assign: assign\n});\n","'use strict';\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar toObject = require('../internals/to-object');\nvar IndexedObject = require('../internals/indexed-object');\n\nvar nativeAssign = Object.assign;\nvar defineProperty = Object.defineProperty;\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\nmodule.exports = !nativeAssign || fails(function () {\n  // should have correct order of operations (Edge bug)\n  if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {\n    enumerable: true,\n    get: function () {\n      defineProperty(this, 'b', {\n        value: 3,\n        enumerable: false\n      });\n    }\n  }), { b: 2 })).b !== 1) return true;\n  // should work with symbols and should have deterministic property order (V8 bug)\n  var A = {};\n  var B = {};\n  // eslint-disable-next-line no-undef\n  var symbol = Symbol();\n  var alphabet = 'abcdefghijklmnopqrst';\n  A[symbol] = 7;\n  alphabet.split('').forEach(function (chr) { B[chr] = chr; });\n  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;\n}) ? function assign(target, source) { // eslint-disable-line no-unused-vars\n  var T = toObject(target);\n  var argumentsLength = arguments.length;\n  var index = 1;\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  var propertyIsEnumerable = propertyIsEnumerableModule.f;\n  while (argumentsLength > index) {\n    var S = IndexedObject(arguments[index++]);\n    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);\n    var length = keys.length;\n    var j = 0;\n    var key;\n    while (length > j) {\n      key = keys[j++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(S, key)) T[key] = S[key];\n    }\n  } return T;\n} : nativeAssign;\n","require('../../modules/es.array.iterator');\nrequire('../../modules/es.object.from-entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.fromEntries;\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar Iterators = require('../internals/iterators');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar ARRAY_ITERATOR = 'Array Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);\n\n// `Array.prototype.entries` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.entries\n// `Array.prototype.keys` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.keys\n// `Array.prototype.values` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.values\n// `Array.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator\n// `CreateArrayIterator` internal method\n// https://tc39.github.io/ecma262/#sec-createarrayiterator\nmodule.exports = defineIterator(Array, 'Array', function (iterated, kind) {\n  setInternalState(this, {\n    type: ARRAY_ITERATOR,\n    target: toIndexedObject(iterated), // target\n    index: 0,                          // next index\n    kind: kind                         // kind\n  });\n// `%ArrayIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next\n}, function () {\n  var state = getInternalState(this);\n  var target = state.target;\n  var kind = state.kind;\n  var index = state.index++;\n  if (!target || index >= target.length) {\n    state.target = undefined;\n    return { value: undefined, done: true };\n  }\n  if (kind == 'keys') return { value: index, done: false };\n  if (kind == 'values') return { value: target[index], done: false };\n  return { value: [index, target[index]], done: false };\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values%\n// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject\n// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject\nIterators.Arguments = Iterators.Array;\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","var $ = require('../internals/export');\nvar iterate = require('../internals/iterate');\nvar createProperty = require('../internals/create-property');\n\n// `Object.fromEntries` method\n// https://github.com/tc39/proposal-object-from-entries\n$({ target: 'Object', stat: true }, {\n  fromEntries: function fromEntries(iterable) {\n    var obj = {};\n    iterate(iterable, function (k, v) {\n      createProperty(obj, k, v);\n    }, undefined, true);\n    return obj;\n  }\n});\n","var anObject = require('../internals/an-object');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar bind = require('../internals/function-bind-context');\nvar getIteratorMethod = require('../internals/get-iterator-method');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\n\nvar Result = function (stopped, result) {\n  this.stopped = stopped;\n  this.result = result;\n};\n\nvar iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {\n  var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);\n  var iterator, iterFn, index, length, result, next, step;\n\n  if (IS_ITERATOR) {\n    iterator = iterable;\n  } else {\n    iterFn = getIteratorMethod(iterable);\n    if (typeof iterFn != 'function') throw TypeError('Target is not iterable');\n    // optimisation for array iterators\n    if (isArrayIteratorMethod(iterFn)) {\n      for (index = 0, length = toLength(iterable.length); length > index; index++) {\n        result = AS_ENTRIES\n          ? boundFunction(anObject(step = iterable[index])[0], step[1])\n          : boundFunction(iterable[index]);\n        if (result && result instanceof Result) return result;\n      } return new Result(false);\n    }\n    iterator = iterFn.call(iterable);\n  }\n\n  next = iterator.next;\n  while (!(step = next.call(iterator)).done) {\n    result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);\n    if (typeof result == 'object' && result && result instanceof Result) return result;\n  } return new Result(false);\n};\n\niterate.stop = function (result) {\n  return new Result(true, result);\n};\n","require('../../modules/es.math.log2');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Math.log2;\n","var $ = require('../internals/export');\n\nvar log = Math.log;\nvar LN2 = Math.LN2;\n\n// `Math.log2` method\n// https://tc39.github.io/ecma262/#sec-math.log2\n$({ target: 'Math', stat: true }, {\n  log2: function log2(x) {\n    return log(x) / LN2;\n  }\n});\n","require('../../modules/es.number.is-nan');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isNaN;\n","var $ = require('../internals/export');\n\n// `Number.isNaN` method\n// https://tc39.github.io/ecma262/#sec-number.isnan\n$({ target: 'Number', stat: true }, {\n  isNaN: function isNaN(number) {\n    // eslint-disable-next-line no-self-compare\n    return number != number;\n  }\n});\n","require('../../modules/es.number.is-integer');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isInteger;\n","var $ = require('../internals/export');\nvar isInteger = require('../internals/is-integer');\n\n// `Number.isInteger` method\n// https://tc39.github.io/ecma262/#sec-number.isinteger\n$({ target: 'Number', stat: true }, {\n  isInteger: isInteger\n});\n","var isObject = require('../internals/is-object');\n\nvar floor = Math.floor;\n\n// `Number.isInteger` method implementation\n// https://tc39.github.io/ecma262/#sec-number.isinteger\nmodule.exports = function isInteger(it) {\n  return !isObject(it) && isFinite(it) && floor(it) === it;\n};\n","require('../../modules/es.typed-array.slice');\n","'use strict';\nvar ArrayBufferViewCore = require('../internals/array-buffer-view-core');\nvar speciesConstructor = require('../internals/species-constructor');\nvar fails = require('../internals/fails');\n\nvar aTypedArray = ArrayBufferViewCore.aTypedArray;\nvar aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;\nvar exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;\nvar $slice = [].slice;\n\nvar FORCED = fails(function () {\n  // eslint-disable-next-line no-undef\n  new Int8Array(1).slice();\n});\n\n// `%TypedArray%.prototype.slice` method\n// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice\nexportTypedArrayMethod('slice', function slice(start, end) {\n  var list = $slice.call(aTypedArray(this), start, end);\n  var C = speciesConstructor(this, this.constructor);\n  var index = 0;\n  var length = list.length;\n  var result = new (aTypedArrayConstructor(C))(length);\n  while (length > index) result[index] = list[index++];\n  return result;\n}, FORCED);\n","'use strict';\nvar NATIVE_ARRAY_BUFFER = require('../internals/array-buffer-native');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar classof = require('../internals/classof');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar defineProperty = require('../internals/object-define-property').f;\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar uid = require('../internals/uid');\n\nvar Int8Array = global.Int8Array;\nvar Int8ArrayPrototype = Int8Array && Int8Array.prototype;\nvar Uint8ClampedArray = global.Uint8ClampedArray;\nvar Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;\nvar TypedArray = Int8Array && getPrototypeOf(Int8Array);\nvar TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);\nvar ObjectPrototype = Object.prototype;\nvar isPrototypeOf = ObjectPrototype.isPrototypeOf;\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');\n// Fixing native typed arrays in Opera Presto crashes the browser, see #595\nvar NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';\nvar TYPED_ARRAY_TAG_REQIRED = false;\nvar NAME;\n\nvar TypedArrayConstructorsList = {\n  Int8Array: 1,\n  Uint8Array: 1,\n  Uint8ClampedArray: 1,\n  Int16Array: 2,\n  Uint16Array: 2,\n  Int32Array: 4,\n  Uint32Array: 4,\n  Float32Array: 4,\n  Float64Array: 8\n};\n\nvar isView = function isView(it) {\n  var klass = classof(it);\n  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);\n};\n\nvar isTypedArray = function (it) {\n  return isObject(it) && has(TypedArrayConstructorsList, classof(it));\n};\n\nvar aTypedArray = function (it) {\n  if (isTypedArray(it)) return it;\n  throw TypeError('Target is not a typed array');\n};\n\nvar aTypedArrayConstructor = function (C) {\n  if (setPrototypeOf) {\n    if (isPrototypeOf.call(TypedArray, C)) return C;\n  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME)) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {\n      return C;\n    }\n  } throw TypeError('Target is not a typed array constructor');\n};\n\nvar exportTypedArrayMethod = function (KEY, property, forced) {\n  if (!DESCRIPTORS) return;\n  if (forced) for (var ARRAY in TypedArrayConstructorsList) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {\n      delete TypedArrayConstructor.prototype[KEY];\n    }\n  }\n  if (!TypedArrayPrototype[KEY] || forced) {\n    redefine(TypedArrayPrototype, KEY, forced ? property\n      : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);\n  }\n};\n\nvar exportTypedArrayStaticMethod = function (KEY, property, forced) {\n  var ARRAY, TypedArrayConstructor;\n  if (!DESCRIPTORS) return;\n  if (setPrototypeOf) {\n    if (forced) for (ARRAY in TypedArrayConstructorsList) {\n      TypedArrayConstructor = global[ARRAY];\n      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {\n        delete TypedArrayConstructor[KEY];\n      }\n    }\n    if (!TypedArray[KEY] || forced) {\n      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable\n      try {\n        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);\n      } catch (error) { /* empty */ }\n    } else return;\n  }\n  for (ARRAY in TypedArrayConstructorsList) {\n    TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {\n      redefine(TypedArrayConstructor, KEY, property);\n    }\n  }\n};\n\nfor (NAME in TypedArrayConstructorsList) {\n  if (!global[NAME]) NATIVE_ARRAY_BUFFER_VIEWS = false;\n}\n\n// WebKit bug - typed arrays constructors prototype is Object.prototype\nif (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {\n  // eslint-disable-next-line no-shadow\n  TypedArray = function TypedArray() {\n    throw TypeError('Incorrect invocation');\n  };\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME], TypedArray);\n  }\n}\n\nif (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {\n  TypedArrayPrototype = TypedArray.prototype;\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);\n  }\n}\n\n// WebKit bug - one more object in Uint8ClampedArray prototype chain\nif (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {\n  setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);\n}\n\nif (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {\n  TYPED_ARRAY_TAG_REQIRED = true;\n  defineProperty(TypedArrayPrototype, TO_STRING_TAG, { get: function () {\n    return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;\n  } });\n  for (NAME in TypedArrayConstructorsList) if (global[NAME]) {\n    createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);\n  }\n}\n\nmodule.exports = {\n  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,\n  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,\n  aTypedArray: aTypedArray,\n  aTypedArrayConstructor: aTypedArrayConstructor,\n  exportTypedArrayMethod: exportTypedArrayMethod,\n  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,\n  isView: isView,\n  isTypedArray: isTypedArray,\n  TypedArray: TypedArray,\n  TypedArrayPrototype: TypedArrayPrototype\n};\n","module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';\n","var anObject = require('../internals/an-object');\nvar aFunction = require('../internals/a-function');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `SpeciesConstructor` abstract operation\n// https://tc39.github.io/ecma262/#sec-speciesconstructor\nmodule.exports = function (O, defaultConstructor) {\n  var C = anObject(O).constructor;\n  var S;\n  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);\n};\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nrequire('../../modules/es.promise');\nrequire('../../modules/es.promise.all-settled');\nrequire('../../modules/es.promise.finally');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Promise;\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar redefine = require('../internals/redefine');\nvar toString = require('../internals/object-to-string');\n\n// `Object.prototype.toString` method\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nif (!TO_STRING_TAG_SUPPORT) {\n  redefine(Object.prototype, 'toString', toString, { unsafe: true });\n}\n","'use strict';\nvar TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classof = require('../internals/classof');\n\n// `Object.prototype.toString` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nmodule.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {\n  return '[object ' + classof(this) + ']';\n};\n","var global = require('../internals/global');\nvar DOMIterables = require('../internals/dom-iterables');\nvar ArrayIteratorMethods = require('../modules/es.array.iterator');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar ArrayValues = ArrayIteratorMethods.values;\n\nfor (var COLLECTION_NAME in DOMIterables) {\n  var Collection = global[COLLECTION_NAME];\n  var CollectionPrototype = Collection && Collection.prototype;\n  if (CollectionPrototype) {\n    // some Chrome versions have non-configurable methods on DOMTokenList\n    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {\n      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);\n    } catch (error) {\n      CollectionPrototype[ITERATOR] = ArrayValues;\n    }\n    if (!CollectionPrototype[TO_STRING_TAG]) {\n      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);\n    }\n    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {\n      // some Chrome versions have non-configurable methods on DOMTokenList\n      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {\n        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);\n      } catch (error) {\n        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];\n      }\n    }\n  }\n}\n","// iterable DOM collections\n// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods\nmodule.exports = {\n  CSSRuleList: 0,\n  CSSStyleDeclaration: 0,\n  CSSValueList: 0,\n  ClientRectList: 0,\n  DOMRectList: 0,\n  DOMStringList: 0,\n  DOMTokenList: 1,\n  DataTransferItemList: 0,\n  FileList: 0,\n  HTMLAllCollection: 0,\n  HTMLCollection: 0,\n  HTMLFormElement: 0,\n  HTMLSelectElement: 0,\n  MediaList: 0,\n  MimeTypeArray: 0,\n  NamedNodeMap: 0,\n  NodeList: 1,\n  PaintRequestList: 0,\n  Plugin: 0,\n  PluginArray: 0,\n  SVGLengthList: 0,\n  SVGNumberList: 0,\n  SVGPathSegList: 0,\n  SVGPointList: 0,\n  SVGStringList: 0,\n  SVGTransformList: 0,\n  SourceBufferList: 0,\n  StyleSheetList: 0,\n  TextTrackCueList: 0,\n  TextTrackList: 0,\n  TouchList: 0\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar IS_PURE = require('../internals/is-pure');\nvar global = require('../internals/global');\nvar getBuiltIn = require('../internals/get-built-in');\nvar NativePromise = require('../internals/native-promise-constructor');\nvar redefine = require('../internals/redefine');\nvar redefineAll = require('../internals/redefine-all');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar setSpecies = require('../internals/set-species');\nvar isObject = require('../internals/is-object');\nvar aFunction = require('../internals/a-function');\nvar anInstance = require('../internals/an-instance');\nvar classof = require('../internals/classof-raw');\nvar inspectSource = require('../internals/inspect-source');\nvar iterate = require('../internals/iterate');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar speciesConstructor = require('../internals/species-constructor');\nvar task = require('../internals/task').set;\nvar microtask = require('../internals/microtask');\nvar promiseResolve = require('../internals/promise-resolve');\nvar hostReportErrors = require('../internals/host-report-errors');\nvar newPromiseCapabilityModule = require('../internals/new-promise-capability');\nvar perform = require('../internals/perform');\nvar InternalStateModule = require('../internals/internal-state');\nvar isForced = require('../internals/is-forced');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\nvar PROMISE = 'Promise';\nvar getInternalState = InternalStateModule.get;\nvar setInternalState = InternalStateModule.set;\nvar getInternalPromiseState = InternalStateModule.getterFor(PROMISE);\nvar PromiseConstructor = NativePromise;\nvar TypeError = global.TypeError;\nvar document = global.document;\nvar process = global.process;\nvar $fetch = getBuiltIn('fetch');\nvar newPromiseCapability = newPromiseCapabilityModule.f;\nvar newGenericPromiseCapability = newPromiseCapability;\nvar IS_NODE = classof(process) == 'process';\nvar DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);\nvar UNHANDLED_REJECTION = 'unhandledrejection';\nvar REJECTION_HANDLED = 'rejectionhandled';\nvar PENDING = 0;\nvar FULFILLED = 1;\nvar REJECTED = 2;\nvar HANDLED = 1;\nvar UNHANDLED = 2;\nvar Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;\n\nvar FORCED = isForced(PROMISE, function () {\n  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);\n  if (!GLOBAL_CORE_JS_PROMISE) {\n    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables\n    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565\n    // We can't detect it synchronously, so just check versions\n    if (V8_VERSION === 66) return true;\n    // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test\n    if (!IS_NODE && typeof PromiseRejectionEvent != 'function') return true;\n  }\n  // We need Promise#finally in the pure version for preventing prototype pollution\n  if (IS_PURE && !PromiseConstructor.prototype['finally']) return true;\n  // We can't use @@species feature detection in V8 since it causes\n  // deoptimization and performance degradation\n  // https://github.com/zloirock/core-js/issues/679\n  if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor)) return false;\n  // Detect correctness of subclassing with @@species support\n  var promise = PromiseConstructor.resolve(1);\n  var FakePromise = function (exec) {\n    exec(function () { /* empty */ }, function () { /* empty */ });\n  };\n  var constructor = promise.constructor = {};\n  constructor[SPECIES] = FakePromise;\n  return !(promise.then(function () { /* empty */ }) instanceof FakePromise);\n});\n\nvar INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {\n  PromiseConstructor.all(iterable)['catch'](function () { /* empty */ });\n});\n\n// helpers\nvar isThenable = function (it) {\n  var then;\n  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;\n};\n\nvar notify = function (promise, state, isReject) {\n  if (state.notified) return;\n  state.notified = true;\n  var chain = state.reactions;\n  microtask(function () {\n    var value = state.value;\n    var ok = state.state == FULFILLED;\n    var index = 0;\n    // variable length - can't use forEach\n    while (chain.length > index) {\n      var reaction = chain[index++];\n      var handler = ok ? reaction.ok : reaction.fail;\n      var resolve = reaction.resolve;\n      var reject = reaction.reject;\n      var domain = reaction.domain;\n      var result, then, exited;\n      try {\n        if (handler) {\n          if (!ok) {\n            if (state.rejection === UNHANDLED) onHandleUnhandled(promise, state);\n            state.rejection = HANDLED;\n          }\n          if (handler === true) result = value;\n          else {\n            if (domain) domain.enter();\n            result = handler(value); // can throw\n            if (domain) {\n              domain.exit();\n              exited = true;\n            }\n          }\n          if (result === reaction.promise) {\n            reject(TypeError('Promise-chain cycle'));\n          } else if (then = isThenable(result)) {\n            then.call(result, resolve, reject);\n          } else resolve(result);\n        } else reject(value);\n      } catch (error) {\n        if (domain && !exited) domain.exit();\n        reject(error);\n      }\n    }\n    state.reactions = [];\n    state.notified = false;\n    if (isReject && !state.rejection) onUnhandled(promise, state);\n  });\n};\n\nvar dispatchEvent = function (name, promise, reason) {\n  var event, handler;\n  if (DISPATCH_EVENT) {\n    event = document.createEvent('Event');\n    event.promise = promise;\n    event.reason = reason;\n    event.initEvent(name, false, true);\n    global.dispatchEvent(event);\n  } else event = { promise: promise, reason: reason };\n  if (handler = global['on' + name]) handler(event);\n  else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);\n};\n\nvar onUnhandled = function (promise, state) {\n  task.call(global, function () {\n    var value = state.value;\n    var IS_UNHANDLED = isUnhandled(state);\n    var result;\n    if (IS_UNHANDLED) {\n      result = perform(function () {\n        if (IS_NODE) {\n          process.emit('unhandledRejection', value, promise);\n        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);\n      });\n      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should\n      state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;\n      if (result.error) throw result.value;\n    }\n  });\n};\n\nvar isUnhandled = function (state) {\n  return state.rejection !== HANDLED && !state.parent;\n};\n\nvar onHandleUnhandled = function (promise, state) {\n  task.call(global, function () {\n    if (IS_NODE) {\n      process.emit('rejectionHandled', promise);\n    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);\n  });\n};\n\nvar bind = function (fn, promise, state, unwrap) {\n  return function (value) {\n    fn(promise, state, value, unwrap);\n  };\n};\n\nvar internalReject = function (promise, state, value, unwrap) {\n  if (state.done) return;\n  state.done = true;\n  if (unwrap) state = unwrap;\n  state.value = value;\n  state.state = REJECTED;\n  notify(promise, state, true);\n};\n\nvar internalResolve = function (promise, state, value, unwrap) {\n  if (state.done) return;\n  state.done = true;\n  if (unwrap) state = unwrap;\n  try {\n    if (promise === value) throw TypeError(\"Promise can't be resolved itself\");\n    var then = isThenable(value);\n    if (then) {\n      microtask(function () {\n        var wrapper = { done: false };\n        try {\n          then.call(value,\n            bind(internalResolve, promise, wrapper, state),\n            bind(internalReject, promise, wrapper, state)\n          );\n        } catch (error) {\n          internalReject(promise, wrapper, error, state);\n        }\n      });\n    } else {\n      state.value = value;\n      state.state = FULFILLED;\n      notify(promise, state, false);\n    }\n  } catch (error) {\n    internalReject(promise, { done: false }, error, state);\n  }\n};\n\n// constructor polyfill\nif (FORCED) {\n  // 25.4.3.1 Promise(executor)\n  PromiseConstructor = function Promise(executor) {\n    anInstance(this, PromiseConstructor, PROMISE);\n    aFunction(executor);\n    Internal.call(this);\n    var state = getInternalState(this);\n    try {\n      executor(bind(internalResolve, this, state), bind(internalReject, this, state));\n    } catch (error) {\n      internalReject(this, state, error);\n    }\n  };\n  // eslint-disable-next-line no-unused-vars\n  Internal = function Promise(executor) {\n    setInternalState(this, {\n      type: PROMISE,\n      done: false,\n      notified: false,\n      parent: false,\n      reactions: [],\n      rejection: false,\n      state: PENDING,\n      value: undefined\n    });\n  };\n  Internal.prototype = redefineAll(PromiseConstructor.prototype, {\n    // `Promise.prototype.then` method\n    // https://tc39.github.io/ecma262/#sec-promise.prototype.then\n    then: function then(onFulfilled, onRejected) {\n      var state = getInternalPromiseState(this);\n      var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));\n      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;\n      reaction.fail = typeof onRejected == 'function' && onRejected;\n      reaction.domain = IS_NODE ? process.domain : undefined;\n      state.parent = true;\n      state.reactions.push(reaction);\n      if (state.state != PENDING) notify(this, state, false);\n      return reaction.promise;\n    },\n    // `Promise.prototype.catch` method\n    // https://tc39.github.io/ecma262/#sec-promise.prototype.catch\n    'catch': function (onRejected) {\n      return this.then(undefined, onRejected);\n    }\n  });\n  OwnPromiseCapability = function () {\n    var promise = new Internal();\n    var state = getInternalState(promise);\n    this.promise = promise;\n    this.resolve = bind(internalResolve, promise, state);\n    this.reject = bind(internalReject, promise, state);\n  };\n  newPromiseCapabilityModule.f = newPromiseCapability = function (C) {\n    return C === PromiseConstructor || C === PromiseWrapper\n      ? new OwnPromiseCapability(C)\n      : newGenericPromiseCapability(C);\n  };\n\n  if (!IS_PURE && typeof NativePromise == 'function') {\n    nativeThen = NativePromise.prototype.then;\n\n    // wrap native Promise#then for native async functions\n    redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {\n      var that = this;\n      return new PromiseConstructor(function (resolve, reject) {\n        nativeThen.call(that, resolve, reject);\n      }).then(onFulfilled, onRejected);\n    // https://github.com/zloirock/core-js/issues/640\n    }, { unsafe: true });\n\n    // wrap fetch result\n    if (typeof $fetch == 'function') $({ global: true, enumerable: true, forced: true }, {\n      // eslint-disable-next-line no-unused-vars\n      fetch: function fetch(input /* , init */) {\n        return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));\n      }\n    });\n  }\n}\n\n$({ global: true, wrap: true, forced: FORCED }, {\n  Promise: PromiseConstructor\n});\n\nsetToStringTag(PromiseConstructor, PROMISE, false, true);\nsetSpecies(PROMISE);\n\nPromiseWrapper = getBuiltIn(PROMISE);\n\n// statics\n$({ target: PROMISE, stat: true, forced: FORCED }, {\n  // `Promise.reject` method\n  // https://tc39.github.io/ecma262/#sec-promise.reject\n  reject: function reject(r) {\n    var capability = newPromiseCapability(this);\n    capability.reject.call(undefined, r);\n    return capability.promise;\n  }\n});\n\n$({ target: PROMISE, stat: true, forced: IS_PURE || FORCED }, {\n  // `Promise.resolve` method\n  // https://tc39.github.io/ecma262/#sec-promise.resolve\n  resolve: function resolve(x) {\n    return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);\n  }\n});\n\n$({ target: PROMISE, stat: true, forced: INCORRECT_ITERATION }, {\n  // `Promise.all` method\n  // https://tc39.github.io/ecma262/#sec-promise.all\n  all: function all(iterable) {\n    var C = this;\n    var capability = newPromiseCapability(C);\n    var resolve = capability.resolve;\n    var reject = capability.reject;\n    var result = perform(function () {\n      var $promiseResolve = aFunction(C.resolve);\n      var values = [];\n      var counter = 0;\n      var remaining = 1;\n      iterate(iterable, function (promise) {\n        var index = counter++;\n        var alreadyCalled = false;\n        values.push(undefined);\n        remaining++;\n        $promiseResolve.call(C, promise).then(function (value) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = value;\n          --remaining || resolve(values);\n        }, reject);\n      });\n      --remaining || resolve(values);\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  },\n  // `Promise.race` method\n  // https://tc39.github.io/ecma262/#sec-promise.race\n  race: function race(iterable) {\n    var C = this;\n    var capability = newPromiseCapability(C);\n    var reject = capability.reject;\n    var result = perform(function () {\n      var $promiseResolve = aFunction(C.resolve);\n      iterate(iterable, function (promise) {\n        $promiseResolve.call(C, promise).then(capability.resolve, reject);\n      });\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  }\n});\n","var global = require('../internals/global');\n\nmodule.exports = global.Promise;\n","var redefine = require('../internals/redefine');\n\nmodule.exports = function (target, src, options) {\n  for (var key in src) redefine(target, key, src[key], options);\n  return target;\n};\n","'use strict';\nvar getBuiltIn = require('../internals/get-built-in');\nvar definePropertyModule = require('../internals/object-define-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar DESCRIPTORS = require('../internals/descriptors');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (CONSTRUCTOR_NAME) {\n  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);\n  var defineProperty = definePropertyModule.f;\n\n  if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {\n    defineProperty(Constructor, SPECIES, {\n      configurable: true,\n      get: function () { return this; }\n    });\n  }\n};\n","module.exports = function (it, Constructor, name) {\n  if (!(it instanceof Constructor)) {\n    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');\n  } return it;\n};\n","var global = require('../internals/global');\nvar fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\nvar bind = require('../internals/function-bind-context');\nvar html = require('../internals/html');\nvar createElement = require('../internals/document-create-element');\nvar IS_IOS = require('../internals/engine-is-ios');\n\nvar location = global.location;\nvar set = global.setImmediate;\nvar clear = global.clearImmediate;\nvar process = global.process;\nvar MessageChannel = global.MessageChannel;\nvar Dispatch = global.Dispatch;\nvar counter = 0;\nvar queue = {};\nvar ONREADYSTATECHANGE = 'onreadystatechange';\nvar defer, channel, port;\n\nvar run = function (id) {\n  // eslint-disable-next-line no-prototype-builtins\n  if (queue.hasOwnProperty(id)) {\n    var fn = queue[id];\n    delete queue[id];\n    fn();\n  }\n};\n\nvar runner = function (id) {\n  return function () {\n    run(id);\n  };\n};\n\nvar listener = function (event) {\n  run(event.data);\n};\n\nvar post = function (id) {\n  // old engines have not location.origin\n  global.postMessage(id + '', location.protocol + '//' + location.host);\n};\n\n// Node.js 0.9+ & IE10+ has setImmediate, otherwise:\nif (!set || !clear) {\n  set = function setImmediate(fn) {\n    var args = [];\n    var i = 1;\n    while (arguments.length > i) args.push(arguments[i++]);\n    queue[++counter] = function () {\n      // eslint-disable-next-line no-new-func\n      (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);\n    };\n    defer(counter);\n    return counter;\n  };\n  clear = function clearImmediate(id) {\n    delete queue[id];\n  };\n  // Node.js 0.8-\n  if (classof(process) == 'process') {\n    defer = function (id) {\n      process.nextTick(runner(id));\n    };\n  // Sphere (JS game engine) Dispatch API\n  } else if (Dispatch && Dispatch.now) {\n    defer = function (id) {\n      Dispatch.now(runner(id));\n    };\n  // Browsers with MessageChannel, includes WebWorkers\n  // except iOS - https://github.com/zloirock/core-js/issues/624\n  } else if (MessageChannel && !IS_IOS) {\n    channel = new MessageChannel();\n    port = channel.port2;\n    channel.port1.onmessage = listener;\n    defer = bind(port.postMessage, port, 1);\n  // Browsers with postMessage, skip WebWorkers\n  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'\n  } else if (\n    global.addEventListener &&\n    typeof postMessage == 'function' &&\n    !global.importScripts &&\n    !fails(post) &&\n    location.protocol !== 'file:'\n  ) {\n    defer = post;\n    global.addEventListener('message', listener, false);\n  // IE8-\n  } else if (ONREADYSTATECHANGE in createElement('script')) {\n    defer = function (id) {\n      html.appendChild(createElement('script'))[ONREADYSTATECHANGE] = function () {\n        html.removeChild(this);\n        run(id);\n      };\n    };\n  // Rest old browsers\n  } else {\n    defer = function (id) {\n      setTimeout(runner(id), 0);\n    };\n  }\n}\n\nmodule.exports = {\n  set: set,\n  clear: clear\n};\n","var userAgent = require('../internals/engine-user-agent');\n\nmodule.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('navigator', 'userAgent') || '';\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar classof = require('../internals/classof-raw');\nvar macrotask = require('../internals/task').set;\nvar IS_IOS = require('../internals/engine-is-ios');\n\nvar MutationObserver = global.MutationObserver || global.WebKitMutationObserver;\nvar process = global.process;\nvar Promise = global.Promise;\nvar IS_NODE = classof(process) == 'process';\n// Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`\nvar queueMicrotaskDescriptor = getOwnPropertyDescriptor(global, 'queueMicrotask');\nvar queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;\n\nvar flush, head, last, notify, toggle, node, promise, then;\n\n// modern engines have queueMicrotask method\nif (!queueMicrotask) {\n  flush = function () {\n    var parent, fn;\n    if (IS_NODE && (parent = process.domain)) parent.exit();\n    while (head) {\n      fn = head.fn;\n      head = head.next;\n      try {\n        fn();\n      } catch (error) {\n        if (head) notify();\n        else last = undefined;\n        throw error;\n      }\n    } last = undefined;\n    if (parent) parent.enter();\n  };\n\n  // Node.js\n  if (IS_NODE) {\n    notify = function () {\n      process.nextTick(flush);\n    };\n  // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339\n  } else if (MutationObserver && !IS_IOS) {\n    toggle = true;\n    node = document.createTextNode('');\n    new MutationObserver(flush).observe(node, { characterData: true });\n    notify = function () {\n      node.data = toggle = !toggle;\n    };\n  // environments with maybe non-completely correct, but existent Promise\n  } else if (Promise && Promise.resolve) {\n    // Promise.resolve without an argument throws an error in LG WebOS 2\n    promise = Promise.resolve(undefined);\n    then = promise.then;\n    notify = function () {\n      then.call(promise, flush);\n    };\n  // for other environments - macrotask based on:\n  // - setImmediate\n  // - MessageChannel\n  // - window.postMessag\n  // - onreadystatechange\n  // - setTimeout\n  } else {\n    notify = function () {\n      // strange IE + webpack dev server bug - use .call(global)\n      macrotask.call(global, flush);\n    };\n  }\n}\n\nmodule.exports = queueMicrotask || function (fn) {\n  var task = { fn: fn, next: undefined };\n  if (last) last.next = task;\n  if (!head) {\n    head = task;\n    notify();\n  } last = task;\n};\n","var anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar newPromiseCapability = require('../internals/new-promise-capability');\n\nmodule.exports = function (C, x) {\n  anObject(C);\n  if (isObject(x) && x.constructor === C) return x;\n  var promiseCapability = newPromiseCapability.f(C);\n  var resolve = promiseCapability.resolve;\n  resolve(x);\n  return promiseCapability.promise;\n};\n","'use strict';\nvar aFunction = require('../internals/a-function');\n\nvar PromiseCapability = function (C) {\n  var resolve, reject;\n  this.promise = new C(function ($$resolve, $$reject) {\n    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');\n    resolve = $$resolve;\n    reject = $$reject;\n  });\n  this.resolve = aFunction(resolve);\n  this.reject = aFunction(reject);\n};\n\n// 25.4.1.5 NewPromiseCapability(C)\nmodule.exports.f = function (C) {\n  return new PromiseCapability(C);\n};\n","var global = require('../internals/global');\n\nmodule.exports = function (a, b) {\n  var console = global.console;\n  if (console && console.error) {\n    arguments.length === 1 ? console.error(a) : console.error(a, b);\n  }\n};\n","module.exports = function (exec) {\n  try {\n    return { error: false, value: exec() };\n  } catch (error) {\n    return { error: true, value: error };\n  }\n};\n","var global = require('../internals/global');\nvar userAgent = require('../internals/engine-user-agent');\n\nvar process = global.process;\nvar versions = process && process.versions;\nvar v8 = versions && versions.v8;\nvar match, version;\n\nif (v8) {\n  match = v8.split('.');\n  version = match[0] + match[1];\n} else if (userAgent) {\n  match = userAgent.match(/Edge\\/(\\d+)/);\n  if (!match || match[1] >= 74) {\n    match = userAgent.match(/Chrome\\/(\\d+)/);\n    if (match) version = match[1];\n  }\n}\n\nmodule.exports = version && +version;\n","'use strict';\nvar $ = require('../internals/export');\nvar aFunction = require('../internals/a-function');\nvar newPromiseCapabilityModule = require('../internals/new-promise-capability');\nvar perform = require('../internals/perform');\nvar iterate = require('../internals/iterate');\n\n// `Promise.allSettled` method\n// https://github.com/tc39/proposal-promise-allSettled\n$({ target: 'Promise', stat: true }, {\n  allSettled: function allSettled(iterable) {\n    var C = this;\n    var capability = newPromiseCapabilityModule.f(C);\n    var resolve = capability.resolve;\n    var reject = capability.reject;\n    var result = perform(function () {\n      var promiseResolve = aFunction(C.resolve);\n      var values = [];\n      var counter = 0;\n      var remaining = 1;\n      iterate(iterable, function (promise) {\n        var index = counter++;\n        var alreadyCalled = false;\n        values.push(undefined);\n        remaining++;\n        promiseResolve.call(C, promise).then(function (value) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = { status: 'fulfilled', value: value };\n          --remaining || resolve(values);\n        }, function (e) {\n          if (alreadyCalled) return;\n          alreadyCalled = true;\n          values[index] = { status: 'rejected', reason: e };\n          --remaining || resolve(values);\n        });\n      });\n      --remaining || resolve(values);\n    });\n    if (result.error) reject(result.value);\n    return capability.promise;\n  }\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar IS_PURE = require('../internals/is-pure');\nvar NativePromise = require('../internals/native-promise-constructor');\nvar fails = require('../internals/fails');\nvar getBuiltIn = require('../internals/get-built-in');\nvar speciesConstructor = require('../internals/species-constructor');\nvar promiseResolve = require('../internals/promise-resolve');\nvar redefine = require('../internals/redefine');\n\n// Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829\nvar NON_GENERIC = !!NativePromise && fails(function () {\n  NativePromise.prototype['finally'].call({ then: function () { /* empty */ } }, function () { /* empty */ });\n});\n\n// `Promise.prototype.finally` method\n// https://tc39.github.io/ecma262/#sec-promise.prototype.finally\n$({ target: 'Promise', proto: true, real: true, forced: NON_GENERIC }, {\n  'finally': function (onFinally) {\n    var C = speciesConstructor(this, getBuiltIn('Promise'));\n    var isFunction = typeof onFinally == 'function';\n    return this.then(\n      isFunction ? function (x) {\n        return promiseResolve(C, onFinally()).then(function () { return x; });\n      } : onFinally,\n      isFunction ? function (e) {\n        return promiseResolve(C, onFinally()).then(function () { throw e; });\n      } : onFinally\n    );\n  }\n});\n\n// patch native Promise.prototype for native async functions\nif (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {\n  redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);\n}\n","require('../modules/web.url');\nrequire('../modules/web.url.to-json');\nrequire('../modules/web.url-search-params');\nvar path = require('../internals/path');\n\nmodule.exports = path.URL;\n","'use strict';\n// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`\nrequire('../modules/es.string.iterator');\nvar $ = require('../internals/export');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar USE_NATIVE_URL = require('../internals/native-url');\nvar global = require('../internals/global');\nvar defineProperties = require('../internals/object-define-properties');\nvar redefine = require('../internals/redefine');\nvar anInstance = require('../internals/an-instance');\nvar has = require('../internals/has');\nvar assign = require('../internals/object-assign');\nvar arrayFrom = require('../internals/array-from');\nvar codeAt = require('../internals/string-multibyte').codeAt;\nvar toASCII = require('../internals/string-punycode-to-ascii');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar URLSearchParamsModule = require('../modules/web.url-search-params');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar NativeURL = global.URL;\nvar URLSearchParams = URLSearchParamsModule.URLSearchParams;\nvar getInternalSearchParamsState = URLSearchParamsModule.getState;\nvar setInternalState = InternalStateModule.set;\nvar getInternalURLState = InternalStateModule.getterFor('URL');\nvar floor = Math.floor;\nvar pow = Math.pow;\n\nvar INVALID_AUTHORITY = 'Invalid authority';\nvar INVALID_SCHEME = 'Invalid scheme';\nvar INVALID_HOST = 'Invalid host';\nvar INVALID_PORT = 'Invalid port';\n\nvar ALPHA = /[A-Za-z]/;\nvar ALPHANUMERIC = /[\\d+-.A-Za-z]/;\nvar DIGIT = /\\d/;\nvar HEX_START = /^(0x|0X)/;\nvar OCT = /^[0-7]+$/;\nvar DEC = /^\\d+$/;\nvar HEX = /^[\\dA-Fa-f]+$/;\n// eslint-disable-next-line no-control-regex\nvar FORBIDDEN_HOST_CODE_POINT = /[\\u0000\\u0009\\u000A\\u000D #%/:?@[\\\\]]/;\n// eslint-disable-next-line no-control-regex\nvar FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\\u0000\\u0009\\u000A\\u000D #/:?@[\\\\]]/;\n// eslint-disable-next-line no-control-regex\nvar LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\\u0000-\\u001F ]+|[\\u0000-\\u001F ]+$/g;\n// eslint-disable-next-line no-control-regex\nvar TAB_AND_NEW_LINE = /[\\u0009\\u000A\\u000D]/g;\nvar EOF;\n\nvar parseHost = function (url, input) {\n  var result, codePoints, index;\n  if (input.charAt(0) == '[') {\n    if (input.charAt(input.length - 1) != ']') return INVALID_HOST;\n    result = parseIPv6(input.slice(1, -1));\n    if (!result) return INVALID_HOST;\n    url.host = result;\n  // opaque host\n  } else if (!isSpecial(url)) {\n    if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) return INVALID_HOST;\n    result = '';\n    codePoints = arrayFrom(input);\n    for (index = 0; index < codePoints.length; index++) {\n      result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);\n    }\n    url.host = result;\n  } else {\n    input = toASCII(input);\n    if (FORBIDDEN_HOST_CODE_POINT.test(input)) return INVALID_HOST;\n    result = parseIPv4(input);\n    if (result === null) return INVALID_HOST;\n    url.host = result;\n  }\n};\n\nvar parseIPv4 = function (input) {\n  var parts = input.split('.');\n  var partsLength, numbers, index, part, radix, number, ipv4;\n  if (parts.length && parts[parts.length - 1] == '') {\n    parts.pop();\n  }\n  partsLength = parts.length;\n  if (partsLength > 4) return input;\n  numbers = [];\n  for (index = 0; index < partsLength; index++) {\n    part = parts[index];\n    if (part == '') return input;\n    radix = 10;\n    if (part.length > 1 && part.charAt(0) == '0') {\n      radix = HEX_START.test(part) ? 16 : 8;\n      part = part.slice(radix == 8 ? 1 : 2);\n    }\n    if (part === '') {\n      number = 0;\n    } else {\n      if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) return input;\n      number = parseInt(part, radix);\n    }\n    numbers.push(number);\n  }\n  for (index = 0; index < partsLength; index++) {\n    number = numbers[index];\n    if (index == partsLength - 1) {\n      if (number >= pow(256, 5 - partsLength)) return null;\n    } else if (number > 255) return null;\n  }\n  ipv4 = numbers.pop();\n  for (index = 0; index < numbers.length; index++) {\n    ipv4 += numbers[index] * pow(256, 3 - index);\n  }\n  return ipv4;\n};\n\n// eslint-disable-next-line max-statements\nvar parseIPv6 = function (input) {\n  var address = [0, 0, 0, 0, 0, 0, 0, 0];\n  var pieceIndex = 0;\n  var compress = null;\n  var pointer = 0;\n  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;\n\n  var char = function () {\n    return input.charAt(pointer);\n  };\n\n  if (char() == ':') {\n    if (input.charAt(1) != ':') return;\n    pointer += 2;\n    pieceIndex++;\n    compress = pieceIndex;\n  }\n  while (char()) {\n    if (pieceIndex == 8) return;\n    if (char() == ':') {\n      if (compress !== null) return;\n      pointer++;\n      pieceIndex++;\n      compress = pieceIndex;\n      continue;\n    }\n    value = length = 0;\n    while (length < 4 && HEX.test(char())) {\n      value = value * 16 + parseInt(char(), 16);\n      pointer++;\n      length++;\n    }\n    if (char() == '.') {\n      if (length == 0) return;\n      pointer -= length;\n      if (pieceIndex > 6) return;\n      numbersSeen = 0;\n      while (char()) {\n        ipv4Piece = null;\n        if (numbersSeen > 0) {\n          if (char() == '.' && numbersSeen < 4) pointer++;\n          else return;\n        }\n        if (!DIGIT.test(char())) return;\n        while (DIGIT.test(char())) {\n          number = parseInt(char(), 10);\n          if (ipv4Piece === null) ipv4Piece = number;\n          else if (ipv4Piece == 0) return;\n          else ipv4Piece = ipv4Piece * 10 + number;\n          if (ipv4Piece > 255) return;\n          pointer++;\n        }\n        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;\n        numbersSeen++;\n        if (numbersSeen == 2 || numbersSeen == 4) pieceIndex++;\n      }\n      if (numbersSeen != 4) return;\n      break;\n    } else if (char() == ':') {\n      pointer++;\n      if (!char()) return;\n    } else if (char()) return;\n    address[pieceIndex++] = value;\n  }\n  if (compress !== null) {\n    swaps = pieceIndex - compress;\n    pieceIndex = 7;\n    while (pieceIndex != 0 && swaps > 0) {\n      swap = address[pieceIndex];\n      address[pieceIndex--] = address[compress + swaps - 1];\n      address[compress + --swaps] = swap;\n    }\n  } else if (pieceIndex != 8) return;\n  return address;\n};\n\nvar findLongestZeroSequence = function (ipv6) {\n  var maxIndex = null;\n  var maxLength = 1;\n  var currStart = null;\n  var currLength = 0;\n  var index = 0;\n  for (; index < 8; index++) {\n    if (ipv6[index] !== 0) {\n      if (currLength > maxLength) {\n        maxIndex = currStart;\n        maxLength = currLength;\n      }\n      currStart = null;\n      currLength = 0;\n    } else {\n      if (currStart === null) currStart = index;\n      ++currLength;\n    }\n  }\n  if (currLength > maxLength) {\n    maxIndex = currStart;\n    maxLength = currLength;\n  }\n  return maxIndex;\n};\n\nvar serializeHost = function (host) {\n  var result, index, compress, ignore0;\n  // ipv4\n  if (typeof host == 'number') {\n    result = [];\n    for (index = 0; index < 4; index++) {\n      result.unshift(host % 256);\n      host = floor(host / 256);\n    } return result.join('.');\n  // ipv6\n  } else if (typeof host == 'object') {\n    result = '';\n    compress = findLongestZeroSequence(host);\n    for (index = 0; index < 8; index++) {\n      if (ignore0 && host[index] === 0) continue;\n      if (ignore0) ignore0 = false;\n      if (compress === index) {\n        result += index ? ':' : '::';\n        ignore0 = true;\n      } else {\n        result += host[index].toString(16);\n        if (index < 7) result += ':';\n      }\n    }\n    return '[' + result + ']';\n  } return host;\n};\n\nvar C0ControlPercentEncodeSet = {};\nvar fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {\n  ' ': 1, '\"': 1, '<': 1, '>': 1, '`': 1\n});\nvar pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {\n  '#': 1, '?': 1, '{': 1, '}': 1\n});\nvar userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {\n  '/': 1, ':': 1, ';': 1, '=': 1, '@': 1, '[': 1, '\\\\': 1, ']': 1, '^': 1, '|': 1\n});\n\nvar percentEncode = function (char, set) {\n  var code = codeAt(char, 0);\n  return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);\n};\n\nvar specialSchemes = {\n  ftp: 21,\n  file: null,\n  http: 80,\n  https: 443,\n  ws: 80,\n  wss: 443\n};\n\nvar isSpecial = function (url) {\n  return has(specialSchemes, url.scheme);\n};\n\nvar includesCredentials = function (url) {\n  return url.username != '' || url.password != '';\n};\n\nvar cannotHaveUsernamePasswordPort = function (url) {\n  return !url.host || url.cannotBeABaseURL || url.scheme == 'file';\n};\n\nvar isWindowsDriveLetter = function (string, normalized) {\n  var second;\n  return string.length == 2 && ALPHA.test(string.charAt(0))\n    && ((second = string.charAt(1)) == ':' || (!normalized && second == '|'));\n};\n\nvar startsWithWindowsDriveLetter = function (string) {\n  var third;\n  return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (\n    string.length == 2 ||\n    ((third = string.charAt(2)) === '/' || third === '\\\\' || third === '?' || third === '#')\n  );\n};\n\nvar shortenURLsPath = function (url) {\n  var path = url.path;\n  var pathSize = path.length;\n  if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {\n    path.pop();\n  }\n};\n\nvar isSingleDot = function (segment) {\n  return segment === '.' || segment.toLowerCase() === '%2e';\n};\n\nvar isDoubleDot = function (segment) {\n  segment = segment.toLowerCase();\n  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';\n};\n\n// States:\nvar SCHEME_START = {};\nvar SCHEME = {};\nvar NO_SCHEME = {};\nvar SPECIAL_RELATIVE_OR_AUTHORITY = {};\nvar PATH_OR_AUTHORITY = {};\nvar RELATIVE = {};\nvar RELATIVE_SLASH = {};\nvar SPECIAL_AUTHORITY_SLASHES = {};\nvar SPECIAL_AUTHORITY_IGNORE_SLASHES = {};\nvar AUTHORITY = {};\nvar HOST = {};\nvar HOSTNAME = {};\nvar PORT = {};\nvar FILE = {};\nvar FILE_SLASH = {};\nvar FILE_HOST = {};\nvar PATH_START = {};\nvar PATH = {};\nvar CANNOT_BE_A_BASE_URL_PATH = {};\nvar QUERY = {};\nvar FRAGMENT = {};\n\n// eslint-disable-next-line max-statements\nvar parseURL = function (url, input, stateOverride, base) {\n  var state = stateOverride || SCHEME_START;\n  var pointer = 0;\n  var buffer = '';\n  var seenAt = false;\n  var seenBracket = false;\n  var seenPasswordToken = false;\n  var codePoints, char, bufferCodePoints, failure;\n\n  if (!stateOverride) {\n    url.scheme = '';\n    url.username = '';\n    url.password = '';\n    url.host = null;\n    url.port = null;\n    url.path = [];\n    url.query = null;\n    url.fragment = null;\n    url.cannotBeABaseURL = false;\n    input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');\n  }\n\n  input = input.replace(TAB_AND_NEW_LINE, '');\n\n  codePoints = arrayFrom(input);\n\n  while (pointer <= codePoints.length) {\n    char = codePoints[pointer];\n    switch (state) {\n      case SCHEME_START:\n        if (char && ALPHA.test(char)) {\n          buffer += char.toLowerCase();\n          state = SCHEME;\n        } else if (!stateOverride) {\n          state = NO_SCHEME;\n          continue;\n        } else return INVALID_SCHEME;\n        break;\n\n      case SCHEME:\n        if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {\n          buffer += char.toLowerCase();\n        } else if (char == ':') {\n          if (stateOverride && (\n            (isSpecial(url) != has(specialSchemes, buffer)) ||\n            (buffer == 'file' && (includesCredentials(url) || url.port !== null)) ||\n            (url.scheme == 'file' && !url.host)\n          )) return;\n          url.scheme = buffer;\n          if (stateOverride) {\n            if (isSpecial(url) && specialSchemes[url.scheme] == url.port) url.port = null;\n            return;\n          }\n          buffer = '';\n          if (url.scheme == 'file') {\n            state = FILE;\n          } else if (isSpecial(url) && base && base.scheme == url.scheme) {\n            state = SPECIAL_RELATIVE_OR_AUTHORITY;\n          } else if (isSpecial(url)) {\n            state = SPECIAL_AUTHORITY_SLASHES;\n          } else if (codePoints[pointer + 1] == '/') {\n            state = PATH_OR_AUTHORITY;\n            pointer++;\n          } else {\n            url.cannotBeABaseURL = true;\n            url.path.push('');\n            state = CANNOT_BE_A_BASE_URL_PATH;\n          }\n        } else if (!stateOverride) {\n          buffer = '';\n          state = NO_SCHEME;\n          pointer = 0;\n          continue;\n        } else return INVALID_SCHEME;\n        break;\n\n      case NO_SCHEME:\n        if (!base || (base.cannotBeABaseURL && char != '#')) return INVALID_SCHEME;\n        if (base.cannotBeABaseURL && char == '#') {\n          url.scheme = base.scheme;\n          url.path = base.path.slice();\n          url.query = base.query;\n          url.fragment = '';\n          url.cannotBeABaseURL = true;\n          state = FRAGMENT;\n          break;\n        }\n        state = base.scheme == 'file' ? FILE : RELATIVE;\n        continue;\n\n      case SPECIAL_RELATIVE_OR_AUTHORITY:\n        if (char == '/' && codePoints[pointer + 1] == '/') {\n          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n          pointer++;\n        } else {\n          state = RELATIVE;\n          continue;\n        } break;\n\n      case PATH_OR_AUTHORITY:\n        if (char == '/') {\n          state = AUTHORITY;\n          break;\n        } else {\n          state = PATH;\n          continue;\n        }\n\n      case RELATIVE:\n        url.scheme = base.scheme;\n        if (char == EOF) {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = base.query;\n        } else if (char == '/' || (char == '\\\\' && isSpecial(url))) {\n          state = RELATIVE_SLASH;\n        } else if (char == '?') {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = '';\n          state = QUERY;\n        } else if (char == '#') {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.query = base.query;\n          url.fragment = '';\n          state = FRAGMENT;\n        } else {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          url.path = base.path.slice();\n          url.path.pop();\n          state = PATH;\n          continue;\n        } break;\n\n      case RELATIVE_SLASH:\n        if (isSpecial(url) && (char == '/' || char == '\\\\')) {\n          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n        } else if (char == '/') {\n          state = AUTHORITY;\n        } else {\n          url.username = base.username;\n          url.password = base.password;\n          url.host = base.host;\n          url.port = base.port;\n          state = PATH;\n          continue;\n        } break;\n\n      case SPECIAL_AUTHORITY_SLASHES:\n        state = SPECIAL_AUTHORITY_IGNORE_SLASHES;\n        if (char != '/' || buffer.charAt(pointer + 1) != '/') continue;\n        pointer++;\n        break;\n\n      case SPECIAL_AUTHORITY_IGNORE_SLASHES:\n        if (char != '/' && char != '\\\\') {\n          state = AUTHORITY;\n          continue;\n        } break;\n\n      case AUTHORITY:\n        if (char == '@') {\n          if (seenAt) buffer = '%40' + buffer;\n          seenAt = true;\n          bufferCodePoints = arrayFrom(buffer);\n          for (var i = 0; i < bufferCodePoints.length; i++) {\n            var codePoint = bufferCodePoints[i];\n            if (codePoint == ':' && !seenPasswordToken) {\n              seenPasswordToken = true;\n              continue;\n            }\n            var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);\n            if (seenPasswordToken) url.password += encodedCodePoints;\n            else url.username += encodedCodePoints;\n          }\n          buffer = '';\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url))\n        ) {\n          if (seenAt && buffer == '') return INVALID_AUTHORITY;\n          pointer -= arrayFrom(buffer).length + 1;\n          buffer = '';\n          state = HOST;\n        } else buffer += char;\n        break;\n\n      case HOST:\n      case HOSTNAME:\n        if (stateOverride && url.scheme == 'file') {\n          state = FILE_HOST;\n          continue;\n        } else if (char == ':' && !seenBracket) {\n          if (buffer == '') return INVALID_HOST;\n          failure = parseHost(url, buffer);\n          if (failure) return failure;\n          buffer = '';\n          state = PORT;\n          if (stateOverride == HOSTNAME) return;\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url))\n        ) {\n          if (isSpecial(url) && buffer == '') return INVALID_HOST;\n          if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) return;\n          failure = parseHost(url, buffer);\n          if (failure) return failure;\n          buffer = '';\n          state = PATH_START;\n          if (stateOverride) return;\n          continue;\n        } else {\n          if (char == '[') seenBracket = true;\n          else if (char == ']') seenBracket = false;\n          buffer += char;\n        } break;\n\n      case PORT:\n        if (DIGIT.test(char)) {\n          buffer += char;\n        } else if (\n          char == EOF || char == '/' || char == '?' || char == '#' ||\n          (char == '\\\\' && isSpecial(url)) ||\n          stateOverride\n        ) {\n          if (buffer != '') {\n            var port = parseInt(buffer, 10);\n            if (port > 0xFFFF) return INVALID_PORT;\n            url.port = (isSpecial(url) && port === specialSchemes[url.scheme]) ? null : port;\n            buffer = '';\n          }\n          if (stateOverride) return;\n          state = PATH_START;\n          continue;\n        } else return INVALID_PORT;\n        break;\n\n      case FILE:\n        url.scheme = 'file';\n        if (char == '/' || char == '\\\\') state = FILE_SLASH;\n        else if (base && base.scheme == 'file') {\n          if (char == EOF) {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = base.query;\n          } else if (char == '?') {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = '';\n            state = QUERY;\n          } else if (char == '#') {\n            url.host = base.host;\n            url.path = base.path.slice();\n            url.query = base.query;\n            url.fragment = '';\n            state = FRAGMENT;\n          } else {\n            if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {\n              url.host = base.host;\n              url.path = base.path.slice();\n              shortenURLsPath(url);\n            }\n            state = PATH;\n            continue;\n          }\n        } else {\n          state = PATH;\n          continue;\n        } break;\n\n      case FILE_SLASH:\n        if (char == '/' || char == '\\\\') {\n          state = FILE_HOST;\n          break;\n        }\n        if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {\n          if (isWindowsDriveLetter(base.path[0], true)) url.path.push(base.path[0]);\n          else url.host = base.host;\n        }\n        state = PATH;\n        continue;\n\n      case FILE_HOST:\n        if (char == EOF || char == '/' || char == '\\\\' || char == '?' || char == '#') {\n          if (!stateOverride && isWindowsDriveLetter(buffer)) {\n            state = PATH;\n          } else if (buffer == '') {\n            url.host = '';\n            if (stateOverride) return;\n            state = PATH_START;\n          } else {\n            failure = parseHost(url, buffer);\n            if (failure) return failure;\n            if (url.host == 'localhost') url.host = '';\n            if (stateOverride) return;\n            buffer = '';\n            state = PATH_START;\n          } continue;\n        } else buffer += char;\n        break;\n\n      case PATH_START:\n        if (isSpecial(url)) {\n          state = PATH;\n          if (char != '/' && char != '\\\\') continue;\n        } else if (!stateOverride && char == '?') {\n          url.query = '';\n          state = QUERY;\n        } else if (!stateOverride && char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          state = PATH;\n          if (char != '/') continue;\n        } break;\n\n      case PATH:\n        if (\n          char == EOF || char == '/' ||\n          (char == '\\\\' && isSpecial(url)) ||\n          (!stateOverride && (char == '?' || char == '#'))\n        ) {\n          if (isDoubleDot(buffer)) {\n            shortenURLsPath(url);\n            if (char != '/' && !(char == '\\\\' && isSpecial(url))) {\n              url.path.push('');\n            }\n          } else if (isSingleDot(buffer)) {\n            if (char != '/' && !(char == '\\\\' && isSpecial(url))) {\n              url.path.push('');\n            }\n          } else {\n            if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {\n              if (url.host) url.host = '';\n              buffer = buffer.charAt(0) + ':'; // normalize windows drive letter\n            }\n            url.path.push(buffer);\n          }\n          buffer = '';\n          if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {\n            while (url.path.length > 1 && url.path[0] === '') {\n              url.path.shift();\n            }\n          }\n          if (char == '?') {\n            url.query = '';\n            state = QUERY;\n          } else if (char == '#') {\n            url.fragment = '';\n            state = FRAGMENT;\n          }\n        } else {\n          buffer += percentEncode(char, pathPercentEncodeSet);\n        } break;\n\n      case CANNOT_BE_A_BASE_URL_PATH:\n        if (char == '?') {\n          url.query = '';\n          state = QUERY;\n        } else if (char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);\n        } break;\n\n      case QUERY:\n        if (!stateOverride && char == '#') {\n          url.fragment = '';\n          state = FRAGMENT;\n        } else if (char != EOF) {\n          if (char == \"'\" && isSpecial(url)) url.query += '%27';\n          else if (char == '#') url.query += '%23';\n          else url.query += percentEncode(char, C0ControlPercentEncodeSet);\n        } break;\n\n      case FRAGMENT:\n        if (char != EOF) url.fragment += percentEncode(char, fragmentPercentEncodeSet);\n        break;\n    }\n\n    pointer++;\n  }\n};\n\n// `URL` constructor\n// https://url.spec.whatwg.org/#url-class\nvar URLConstructor = function URL(url /* , base */) {\n  var that = anInstance(this, URLConstructor, 'URL');\n  var base = arguments.length > 1 ? arguments[1] : undefined;\n  var urlString = String(url);\n  var state = setInternalState(that, { type: 'URL' });\n  var baseState, failure;\n  if (base !== undefined) {\n    if (base instanceof URLConstructor) baseState = getInternalURLState(base);\n    else {\n      failure = parseURL(baseState = {}, String(base));\n      if (failure) throw TypeError(failure);\n    }\n  }\n  failure = parseURL(state, urlString, null, baseState);\n  if (failure) throw TypeError(failure);\n  var searchParams = state.searchParams = new URLSearchParams();\n  var searchParamsState = getInternalSearchParamsState(searchParams);\n  searchParamsState.updateSearchParams(state.query);\n  searchParamsState.updateURL = function () {\n    state.query = String(searchParams) || null;\n  };\n  if (!DESCRIPTORS) {\n    that.href = serializeURL.call(that);\n    that.origin = getOrigin.call(that);\n    that.protocol = getProtocol.call(that);\n    that.username = getUsername.call(that);\n    that.password = getPassword.call(that);\n    that.host = getHost.call(that);\n    that.hostname = getHostname.call(that);\n    that.port = getPort.call(that);\n    that.pathname = getPathname.call(that);\n    that.search = getSearch.call(that);\n    that.searchParams = getSearchParams.call(that);\n    that.hash = getHash.call(that);\n  }\n};\n\nvar URLPrototype = URLConstructor.prototype;\n\nvar serializeURL = function () {\n  var url = getInternalURLState(this);\n  var scheme = url.scheme;\n  var username = url.username;\n  var password = url.password;\n  var host = url.host;\n  var port = url.port;\n  var path = url.path;\n  var query = url.query;\n  var fragment = url.fragment;\n  var output = scheme + ':';\n  if (host !== null) {\n    output += '//';\n    if (includesCredentials(url)) {\n      output += username + (password ? ':' + password : '') + '@';\n    }\n    output += serializeHost(host);\n    if (port !== null) output += ':' + port;\n  } else if (scheme == 'file') output += '//';\n  output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';\n  if (query !== null) output += '?' + query;\n  if (fragment !== null) output += '#' + fragment;\n  return output;\n};\n\nvar getOrigin = function () {\n  var url = getInternalURLState(this);\n  var scheme = url.scheme;\n  var port = url.port;\n  if (scheme == 'blob') try {\n    return new URL(scheme.path[0]).origin;\n  } catch (error) {\n    return 'null';\n  }\n  if (scheme == 'file' || !isSpecial(url)) return 'null';\n  return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');\n};\n\nvar getProtocol = function () {\n  return getInternalURLState(this).scheme + ':';\n};\n\nvar getUsername = function () {\n  return getInternalURLState(this).username;\n};\n\nvar getPassword = function () {\n  return getInternalURLState(this).password;\n};\n\nvar getHost = function () {\n  var url = getInternalURLState(this);\n  var host = url.host;\n  var port = url.port;\n  return host === null ? ''\n    : port === null ? serializeHost(host)\n    : serializeHost(host) + ':' + port;\n};\n\nvar getHostname = function () {\n  var host = getInternalURLState(this).host;\n  return host === null ? '' : serializeHost(host);\n};\n\nvar getPort = function () {\n  var port = getInternalURLState(this).port;\n  return port === null ? '' : String(port);\n};\n\nvar getPathname = function () {\n  var url = getInternalURLState(this);\n  var path = url.path;\n  return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';\n};\n\nvar getSearch = function () {\n  var query = getInternalURLState(this).query;\n  return query ? '?' + query : '';\n};\n\nvar getSearchParams = function () {\n  return getInternalURLState(this).searchParams;\n};\n\nvar getHash = function () {\n  var fragment = getInternalURLState(this).fragment;\n  return fragment ? '#' + fragment : '';\n};\n\nvar accessorDescriptor = function (getter, setter) {\n  return { get: getter, set: setter, configurable: true, enumerable: true };\n};\n\nif (DESCRIPTORS) {\n  defineProperties(URLPrototype, {\n    // `URL.prototype.href` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-href\n    href: accessorDescriptor(serializeURL, function (href) {\n      var url = getInternalURLState(this);\n      var urlString = String(href);\n      var failure = parseURL(url, urlString);\n      if (failure) throw TypeError(failure);\n      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);\n    }),\n    // `URL.prototype.origin` getter\n    // https://url.spec.whatwg.org/#dom-url-origin\n    origin: accessorDescriptor(getOrigin),\n    // `URL.prototype.protocol` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-protocol\n    protocol: accessorDescriptor(getProtocol, function (protocol) {\n      var url = getInternalURLState(this);\n      parseURL(url, String(protocol) + ':', SCHEME_START);\n    }),\n    // `URL.prototype.username` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-username\n    username: accessorDescriptor(getUsername, function (username) {\n      var url = getInternalURLState(this);\n      var codePoints = arrayFrom(String(username));\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      url.username = '';\n      for (var i = 0; i < codePoints.length; i++) {\n        url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);\n      }\n    }),\n    // `URL.prototype.password` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-password\n    password: accessorDescriptor(getPassword, function (password) {\n      var url = getInternalURLState(this);\n      var codePoints = arrayFrom(String(password));\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      url.password = '';\n      for (var i = 0; i < codePoints.length; i++) {\n        url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);\n      }\n    }),\n    // `URL.prototype.host` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-host\n    host: accessorDescriptor(getHost, function (host) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      parseURL(url, String(host), HOST);\n    }),\n    // `URL.prototype.hostname` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-hostname\n    hostname: accessorDescriptor(getHostname, function (hostname) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      parseURL(url, String(hostname), HOSTNAME);\n    }),\n    // `URL.prototype.port` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-port\n    port: accessorDescriptor(getPort, function (port) {\n      var url = getInternalURLState(this);\n      if (cannotHaveUsernamePasswordPort(url)) return;\n      port = String(port);\n      if (port == '') url.port = null;\n      else parseURL(url, port, PORT);\n    }),\n    // `URL.prototype.pathname` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-pathname\n    pathname: accessorDescriptor(getPathname, function (pathname) {\n      var url = getInternalURLState(this);\n      if (url.cannotBeABaseURL) return;\n      url.path = [];\n      parseURL(url, pathname + '', PATH_START);\n    }),\n    // `URL.prototype.search` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-search\n    search: accessorDescriptor(getSearch, function (search) {\n      var url = getInternalURLState(this);\n      search = String(search);\n      if (search == '') {\n        url.query = null;\n      } else {\n        if ('?' == search.charAt(0)) search = search.slice(1);\n        url.query = '';\n        parseURL(url, search, QUERY);\n      }\n      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);\n    }),\n    // `URL.prototype.searchParams` getter\n    // https://url.spec.whatwg.org/#dom-url-searchparams\n    searchParams: accessorDescriptor(getSearchParams),\n    // `URL.prototype.hash` accessors pair\n    // https://url.spec.whatwg.org/#dom-url-hash\n    hash: accessorDescriptor(getHash, function (hash) {\n      var url = getInternalURLState(this);\n      hash = String(hash);\n      if (hash == '') {\n        url.fragment = null;\n        return;\n      }\n      if ('#' == hash.charAt(0)) hash = hash.slice(1);\n      url.fragment = '';\n      parseURL(url, hash, FRAGMENT);\n    })\n  });\n}\n\n// `URL.prototype.toJSON` method\n// https://url.spec.whatwg.org/#dom-url-tojson\nredefine(URLPrototype, 'toJSON', function toJSON() {\n  return serializeURL.call(this);\n}, { enumerable: true });\n\n// `URL.prototype.toString` method\n// https://url.spec.whatwg.org/#URL-stringification-behavior\nredefine(URLPrototype, 'toString', function toString() {\n  return serializeURL.call(this);\n}, { enumerable: true });\n\nif (NativeURL) {\n  var nativeCreateObjectURL = NativeURL.createObjectURL;\n  var nativeRevokeObjectURL = NativeURL.revokeObjectURL;\n  // `URL.createObjectURL` method\n  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n  // eslint-disable-next-line no-unused-vars\n  if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {\n    return nativeCreateObjectURL.apply(NativeURL, arguments);\n  });\n  // `URL.revokeObjectURL` method\n  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL\n  // eslint-disable-next-line no-unused-vars\n  if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {\n    return nativeRevokeObjectURL.apply(NativeURL, arguments);\n  });\n}\n\nsetToStringTag(URLConstructor, 'URL');\n\n$({ global: true, forced: !USE_NATIVE_URL, sham: !DESCRIPTORS }, {\n  URL: URLConstructor\n});\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\n\nvar ITERATOR = wellKnownSymbol('iterator');\n\nmodule.exports = !fails(function () {\n  var url = new URL('b?a=1&b=2&c=3', 'http://a');\n  var searchParams = url.searchParams;\n  var result = '';\n  url.pathname = 'c%20d';\n  searchParams.forEach(function (value, key) {\n    searchParams['delete']('b');\n    result += key + value;\n  });\n  return (IS_PURE && !url.toJSON)\n    || !searchParams.sort\n    || url.href !== 'http://a/c%20d?a=1&c=3'\n    || searchParams.get('c') !== '3'\n    || String(new URLSearchParams('?a=1')) !== 'a=1'\n    || !searchParams[ITERATOR]\n    // throws in Edge\n    || new URL('https://a@b').username !== 'a'\n    || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'\n    // not punycoded in Edge\n    || new URL('http://тест').host !== 'xn--e1aybc'\n    // not escaped in Chrome 62-\n    || new URL('http://a#б').hash !== '#%D0%B1'\n    // fails in Chrome 66-\n    || result !== 'a1c3'\n    // throws in Safari\n    || new URL('http://x', undefined).host !== 'x';\n});\n","'use strict';\n// based on https://github.com/bestiejs/punycode.js/blob/master/punycode.js\nvar maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\nvar base = 36;\nvar tMin = 1;\nvar tMax = 26;\nvar skew = 38;\nvar damp = 700;\nvar initialBias = 72;\nvar initialN = 128; // 0x80\nvar delimiter = '-'; // '\\x2D'\nvar regexNonASCII = /[^\\0-\\u007E]/; // non-ASCII chars\nvar regexSeparators = /[.\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\nvar OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';\nvar baseMinusTMin = base - tMin;\nvar floor = Math.floor;\nvar stringFromCharCode = String.fromCharCode;\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n */\nvar ucs2decode = function (string) {\n  var output = [];\n  var counter = 0;\n  var length = string.length;\n  while (counter < length) {\n    var value = string.charCodeAt(counter++);\n    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n      // It's a high surrogate, and there is a next character.\n      var extra = string.charCodeAt(counter++);\n      if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n      } else {\n        // It's an unmatched surrogate; only append this code unit, in case the\n        // next code unit is the high surrogate of a surrogate pair.\n        output.push(value);\n        counter--;\n      }\n    } else {\n      output.push(value);\n    }\n  }\n  return output;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n */\nvar digitToBasic = function (digit) {\n  //  0..25 map to ASCII a..z or A..Z\n  // 26..35 map to ASCII 0..9\n  return digit + 22 + 75 * (digit < 26);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n */\nvar adapt = function (delta, numPoints, firstTime) {\n  var k = 0;\n  delta = firstTime ? floor(delta / damp) : delta >> 1;\n  delta += floor(delta / numPoints);\n  for (; delta > baseMinusTMin * tMax >> 1; k += base) {\n    delta = floor(delta / baseMinusTMin);\n  }\n  return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n */\n// eslint-disable-next-line  max-statements\nvar encode = function (input) {\n  var output = [];\n\n  // Convert the input in UCS-2 to an array of Unicode code points.\n  input = ucs2decode(input);\n\n  // Cache the length.\n  var inputLength = input.length;\n\n  // Initialize the state.\n  var n = initialN;\n  var delta = 0;\n  var bias = initialBias;\n  var i, currentValue;\n\n  // Handle the basic code points.\n  for (i = 0; i < input.length; i++) {\n    currentValue = input[i];\n    if (currentValue < 0x80) {\n      output.push(stringFromCharCode(currentValue));\n    }\n  }\n\n  var basicLength = output.length; // number of basic code points.\n  var handledCPCount = basicLength; // number of code points that have been handled;\n\n  // Finish the basic string with a delimiter unless it's empty.\n  if (basicLength) {\n    output.push(delimiter);\n  }\n\n  // Main encoding loop:\n  while (handledCPCount < inputLength) {\n    // All non-basic code points < n have been handled already. Find the next larger one:\n    var m = maxInt;\n    for (i = 0; i < input.length; i++) {\n      currentValue = input[i];\n      if (currentValue >= n && currentValue < m) {\n        m = currentValue;\n      }\n    }\n\n    // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, but guard against overflow.\n    var handledCPCountPlusOne = handledCPCount + 1;\n    if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n      throw RangeError(OVERFLOW_ERROR);\n    }\n\n    delta += (m - n) * handledCPCountPlusOne;\n    n = m;\n\n    for (i = 0; i < input.length; i++) {\n      currentValue = input[i];\n      if (currentValue < n && ++delta > maxInt) {\n        throw RangeError(OVERFLOW_ERROR);\n      }\n      if (currentValue == n) {\n        // Represent delta as a generalized variable-length integer.\n        var q = delta;\n        for (var k = base; /* no condition */; k += base) {\n          var t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n          if (q < t) break;\n          var qMinusT = q - t;\n          var baseMinusT = base - t;\n          output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));\n          q = floor(qMinusT / baseMinusT);\n        }\n\n        output.push(stringFromCharCode(digitToBasic(q)));\n        bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n        delta = 0;\n        ++handledCPCount;\n      }\n    }\n\n    ++delta;\n    ++n;\n  }\n  return output.join('');\n};\n\nmodule.exports = function (input) {\n  var encoded = [];\n  var labels = input.toLowerCase().replace(regexSeparators, '\\u002E').split('.');\n  var i, label;\n  for (i = 0; i < labels.length; i++) {\n    label = labels[i];\n    encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);\n  }\n  return encoded.join('.');\n};\n","'use strict';\n// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`\nrequire('../modules/es.array.iterator');\nvar $ = require('../internals/export');\nvar getBuiltIn = require('../internals/get-built-in');\nvar USE_NATIVE_URL = require('../internals/native-url');\nvar redefine = require('../internals/redefine');\nvar redefineAll = require('../internals/redefine-all');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar InternalStateModule = require('../internals/internal-state');\nvar anInstance = require('../internals/an-instance');\nvar hasOwn = require('../internals/has');\nvar bind = require('../internals/function-bind-context');\nvar classof = require('../internals/classof');\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar getIterator = require('../internals/get-iterator');\nvar getIteratorMethod = require('../internals/get-iterator-method');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar $fetch = getBuiltIn('fetch');\nvar Headers = getBuiltIn('Headers');\nvar ITERATOR = wellKnownSymbol('iterator');\nvar URL_SEARCH_PARAMS = 'URLSearchParams';\nvar URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);\nvar getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);\n\nvar plus = /\\+/g;\nvar sequences = Array(4);\n\nvar percentSequence = function (bytes) {\n  return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\\\da-f]{2}){' + bytes + '})', 'gi'));\n};\n\nvar percentDecode = function (sequence) {\n  try {\n    return decodeURIComponent(sequence);\n  } catch (error) {\n    return sequence;\n  }\n};\n\nvar deserialize = function (it) {\n  var result = it.replace(plus, ' ');\n  var bytes = 4;\n  try {\n    return decodeURIComponent(result);\n  } catch (error) {\n    while (bytes) {\n      result = result.replace(percentSequence(bytes--), percentDecode);\n    }\n    return result;\n  }\n};\n\nvar find = /[!'()~]|%20/g;\n\nvar replace = {\n  '!': '%21',\n  \"'\": '%27',\n  '(': '%28',\n  ')': '%29',\n  '~': '%7E',\n  '%20': '+'\n};\n\nvar replacer = function (match) {\n  return replace[match];\n};\n\nvar serialize = function (it) {\n  return encodeURIComponent(it).replace(find, replacer);\n};\n\nvar parseSearchParams = function (result, query) {\n  if (query) {\n    var attributes = query.split('&');\n    var index = 0;\n    var attribute, entry;\n    while (index < attributes.length) {\n      attribute = attributes[index++];\n      if (attribute.length) {\n        entry = attribute.split('=');\n        result.push({\n          key: deserialize(entry.shift()),\n          value: deserialize(entry.join('='))\n        });\n      }\n    }\n  }\n};\n\nvar updateSearchParams = function (query) {\n  this.entries.length = 0;\n  parseSearchParams(this.entries, query);\n};\n\nvar validateArgumentsLength = function (passed, required) {\n  if (passed < required) throw TypeError('Not enough arguments');\n};\n\nvar URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {\n  setInternalState(this, {\n    type: URL_SEARCH_PARAMS_ITERATOR,\n    iterator: getIterator(getInternalParamsState(params).entries),\n    kind: kind\n  });\n}, 'Iterator', function next() {\n  var state = getInternalIteratorState(this);\n  var kind = state.kind;\n  var step = state.iterator.next();\n  var entry = step.value;\n  if (!step.done) {\n    step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];\n  } return step;\n});\n\n// `URLSearchParams` constructor\n// https://url.spec.whatwg.org/#interface-urlsearchparams\nvar URLSearchParamsConstructor = function URLSearchParams(/* init */) {\n  anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);\n  var init = arguments.length > 0 ? arguments[0] : undefined;\n  var that = this;\n  var entries = [];\n  var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;\n\n  setInternalState(that, {\n    type: URL_SEARCH_PARAMS,\n    entries: entries,\n    updateURL: function () { /* empty */ },\n    updateSearchParams: updateSearchParams\n  });\n\n  if (init !== undefined) {\n    if (isObject(init)) {\n      iteratorMethod = getIteratorMethod(init);\n      if (typeof iteratorMethod === 'function') {\n        iterator = iteratorMethod.call(init);\n        next = iterator.next;\n        while (!(step = next.call(iterator)).done) {\n          entryIterator = getIterator(anObject(step.value));\n          entryNext = entryIterator.next;\n          if (\n            (first = entryNext.call(entryIterator)).done ||\n            (second = entryNext.call(entryIterator)).done ||\n            !entryNext.call(entryIterator).done\n          ) throw TypeError('Expected sequence with length 2');\n          entries.push({ key: first.value + '', value: second.value + '' });\n        }\n      } else for (key in init) if (hasOwn(init, key)) entries.push({ key: key, value: init[key] + '' });\n    } else {\n      parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');\n    }\n  }\n};\n\nvar URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;\n\nredefineAll(URLSearchParamsPrototype, {\n  // `URLSearchParams.prototype.appent` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-append\n  append: function append(name, value) {\n    validateArgumentsLength(arguments.length, 2);\n    var state = getInternalParamsState(this);\n    state.entries.push({ key: name + '', value: value + '' });\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.delete` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-delete\n  'delete': function (name) {\n    validateArgumentsLength(arguments.length, 1);\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    var key = name + '';\n    var index = 0;\n    while (index < entries.length) {\n      if (entries[index].key === key) entries.splice(index, 1);\n      else index++;\n    }\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.get` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-get\n  get: function get(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var index = 0;\n    for (; index < entries.length; index++) {\n      if (entries[index].key === key) return entries[index].value;\n    }\n    return null;\n  },\n  // `URLSearchParams.prototype.getAll` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-getall\n  getAll: function getAll(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var result = [];\n    var index = 0;\n    for (; index < entries.length; index++) {\n      if (entries[index].key === key) result.push(entries[index].value);\n    }\n    return result;\n  },\n  // `URLSearchParams.prototype.has` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-has\n  has: function has(name) {\n    validateArgumentsLength(arguments.length, 1);\n    var entries = getInternalParamsState(this).entries;\n    var key = name + '';\n    var index = 0;\n    while (index < entries.length) {\n      if (entries[index++].key === key) return true;\n    }\n    return false;\n  },\n  // `URLSearchParams.prototype.set` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-set\n  set: function set(name, value) {\n    validateArgumentsLength(arguments.length, 1);\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    var found = false;\n    var key = name + '';\n    var val = value + '';\n    var index = 0;\n    var entry;\n    for (; index < entries.length; index++) {\n      entry = entries[index];\n      if (entry.key === key) {\n        if (found) entries.splice(index--, 1);\n        else {\n          found = true;\n          entry.value = val;\n        }\n      }\n    }\n    if (!found) entries.push({ key: key, value: val });\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.sort` method\n  // https://url.spec.whatwg.org/#dom-urlsearchparams-sort\n  sort: function sort() {\n    var state = getInternalParamsState(this);\n    var entries = state.entries;\n    // Array#sort is not stable in some engines\n    var slice = entries.slice();\n    var entry, entriesIndex, sliceIndex;\n    entries.length = 0;\n    for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {\n      entry = slice[sliceIndex];\n      for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {\n        if (entries[entriesIndex].key > entry.key) {\n          entries.splice(entriesIndex, 0, entry);\n          break;\n        }\n      }\n      if (entriesIndex === sliceIndex) entries.push(entry);\n    }\n    state.updateURL();\n  },\n  // `URLSearchParams.prototype.forEach` method\n  forEach: function forEach(callback /* , thisArg */) {\n    var entries = getInternalParamsState(this).entries;\n    var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);\n    var index = 0;\n    var entry;\n    while (index < entries.length) {\n      entry = entries[index++];\n      boundFunction(entry.value, entry.key, this);\n    }\n  },\n  // `URLSearchParams.prototype.keys` method\n  keys: function keys() {\n    return new URLSearchParamsIterator(this, 'keys');\n  },\n  // `URLSearchParams.prototype.values` method\n  values: function values() {\n    return new URLSearchParamsIterator(this, 'values');\n  },\n  // `URLSearchParams.prototype.entries` method\n  entries: function entries() {\n    return new URLSearchParamsIterator(this, 'entries');\n  }\n}, { enumerable: true });\n\n// `URLSearchParams.prototype[@@iterator]` method\nredefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);\n\n// `URLSearchParams.prototype.toString` method\n// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior\nredefine(URLSearchParamsPrototype, 'toString', function toString() {\n  var entries = getInternalParamsState(this).entries;\n  var result = [];\n  var index = 0;\n  var entry;\n  while (index < entries.length) {\n    entry = entries[index++];\n    result.push(serialize(entry.key) + '=' + serialize(entry.value));\n  } return result.join('&');\n}, { enumerable: true });\n\nsetToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);\n\n$({ global: true, forced: !USE_NATIVE_URL }, {\n  URLSearchParams: URLSearchParamsConstructor\n});\n\n// Wrap `fetch` for correct work with polyfilled `URLSearchParams`\n// https://github.com/zloirock/core-js/issues/674\nif (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {\n  $({ global: true, enumerable: true, forced: true }, {\n    fetch: function fetch(input /* , init */) {\n      var args = [input];\n      var init, body, headers;\n      if (arguments.length > 1) {\n        init = arguments[1];\n        if (isObject(init)) {\n          body = init.body;\n          if (classof(body) === URL_SEARCH_PARAMS) {\n            headers = init.headers ? new Headers(init.headers) : new Headers();\n            if (!headers.has('content-type')) {\n              headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');\n            }\n            init = create(init, {\n              body: createPropertyDescriptor(0, String(body)),\n              headers: createPropertyDescriptor(0, headers)\n            });\n          }\n        }\n        args.push(init);\n      } return $fetch.apply(this, args);\n    }\n  });\n}\n\nmodule.exports = {\n  URLSearchParams: URLSearchParamsConstructor,\n  getState: getInternalParamsState\n};\n","var anObject = require('../internals/an-object');\nvar getIteratorMethod = require('../internals/get-iterator-method');\n\nmodule.exports = function (it) {\n  var iteratorMethod = getIteratorMethod(it);\n  if (typeof iteratorMethod != 'function') {\n    throw TypeError(String(it) + ' is not iterable');\n  } return anObject(iteratorMethod.call(it));\n};\n","'use strict';\nvar $ = require('../internals/export');\n\n// `URL.prototype.toJSON` method\n// https://url.spec.whatwg.org/#dom-url-tojson\n$({ target: 'URL', proto: true, enumerable: true }, {\n  toJSON: function toJSON() {\n    return URL.prototype.toString.call(this);\n  }\n});\n","/**\n * web-streams-polyfill v2.1.1\n */\n(function (global, factory) {\n    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n    typeof define === 'function' && define.amd ? define(['exports'], factory) :\n    (global = global || self, factory(global.WebStreamsPolyfill = {}));\n}(this, (function (exports) { 'use strict';\n\n    /// <reference lib=\"es2015.symbol\" />\n    var SymbolPolyfill = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ?\n        Symbol :\n        function (description) { return \"Symbol(\" + description + \")\"; };\n\n    /// <reference lib=\"dom\" />\n    function noop() {\n        // do nothing\n    }\n\n    /// <reference lib=\"es2015.core\" />\n    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN#Polyfill\n    var NumberIsNaN = Number.isNaN || function (x) {\n        // eslint-disable-next-line no-self-compare\n        return x !== x;\n    };\n\n    var rethrowAssertionErrorRejection =  noop;\n\n    function typeIsObject(x) {\n        return (typeof x === 'object' && x !== null) || typeof x === 'function';\n    }\n    function createArrayFromList(elements) {\n        // We use arrays to represent lists, so this is basically a no-op.\n        // Do a slice though just in case we happen to depend on the unique-ness.\n        return elements.slice();\n    }\n    function ArrayBufferCopy(dest, destOffset, src, srcOffset, n) {\n        new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);\n    }\n    function IsFiniteNonNegativeNumber(v) {\n        if (IsNonNegativeNumber(v) === false) {\n            return false;\n        }\n        if (v === Infinity) {\n            return false;\n        }\n        return true;\n    }\n    function IsNonNegativeNumber(v) {\n        if (typeof v !== 'number') {\n            return false;\n        }\n        if (NumberIsNaN(v)) {\n            return false;\n        }\n        if (v < 0) {\n            return false;\n        }\n        return true;\n    }\n    function Call(F, V, args) {\n        if (typeof F !== 'function') {\n            throw new TypeError('Argument is not a function');\n        }\n        return Function.prototype.apply.call(F, V, args);\n    }\n    function CreateAlgorithmFromUnderlyingMethod(underlyingObject, methodName, algoArgCount, extraArgs) {\n        var method = underlyingObject[methodName];\n        if (method !== undefined) {\n            if (typeof method !== 'function') {\n                throw new TypeError(method + \" is not a method\");\n            }\n            switch (algoArgCount) {\n                case 0: {\n                    return function () {\n                        return PromiseCall(method, underlyingObject, extraArgs);\n                    };\n                }\n                case 1: {\n                    return function (arg) {\n                        var fullArgs = [arg].concat(extraArgs);\n                        return PromiseCall(method, underlyingObject, fullArgs);\n                    };\n                }\n            }\n        }\n        return function () { return promiseResolvedWith(undefined); };\n    }\n    function InvokeOrNoop(O, P, args) {\n        var method = O[P];\n        if (method === undefined) {\n            return undefined;\n        }\n        return Call(method, O, args);\n    }\n    function PromiseCall(F, V, args) {\n        try {\n            return promiseResolvedWith(Call(F, V, args));\n        }\n        catch (value) {\n            return promiseRejectedWith(value);\n        }\n    }\n    // Not implemented correctly\n    function TransferArrayBuffer(O) {\n        return O;\n    }\n    // Not implemented correctly\n    function IsDetachedBuffer(O) {\n        return false;\n    }\n    function ValidateAndNormalizeHighWaterMark(highWaterMark) {\n        highWaterMark = Number(highWaterMark);\n        if (NumberIsNaN(highWaterMark) || highWaterMark < 0) {\n            throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');\n        }\n        return highWaterMark;\n    }\n    function MakeSizeAlgorithmFromSizeFunction(size) {\n        if (size === undefined) {\n            return function () { return 1; };\n        }\n        if (typeof size !== 'function') {\n            throw new TypeError('size property of a queuing strategy must be a function');\n        }\n        return function (chunk) { return size(chunk); };\n    }\n    var originalPromise = Promise;\n    var originalPromiseThen = Promise.prototype.then;\n    var originalPromiseResolve = Promise.resolve.bind(originalPromise);\n    var originalPromiseReject = Promise.reject.bind(originalPromise);\n    function newPromise(executor) {\n        return new originalPromise(executor);\n    }\n    function promiseResolvedWith(value) {\n        return originalPromiseResolve(value);\n    }\n    function promiseRejectedWith(reason) {\n        return originalPromiseReject(reason);\n    }\n    function PerformPromiseThen(promise, onFulfilled, onRejected) {\n        // There doesn't appear to be any way to correctly emulate the behaviour from JavaScript, so this is just an\n        // approximation.\n        return originalPromiseThen.call(promise, onFulfilled, onRejected);\n    }\n    function uponPromise(promise, onFulfilled, onRejected) {\n        PerformPromiseThen(PerformPromiseThen(promise, onFulfilled, onRejected), undefined, rethrowAssertionErrorRejection);\n    }\n    function uponFulfillment(promise, onFulfilled) {\n        uponPromise(promise, onFulfilled);\n    }\n    function uponRejection(promise, onRejected) {\n        uponPromise(promise, undefined, onRejected);\n    }\n    function transformPromiseWith(promise, fulfillmentHandler, rejectionHandler) {\n        return PerformPromiseThen(promise, fulfillmentHandler, rejectionHandler);\n    }\n    function setPromiseIsHandledToTrue(promise) {\n        PerformPromiseThen(promise, undefined, rethrowAssertionErrorRejection);\n    }\n\n    // Original from Chromium\n    // https://chromium.googlesource.com/chromium/src/+/0aee4434a4dba42a42abaea9bfbc0cd196a63bc1/third_party/blink/renderer/core/streams/SimpleQueue.js\n    var QUEUE_MAX_ARRAY_SIZE = 16384;\n    /**\n     * Simple queue structure.\n     *\n     * Avoids scalability issues with using a packed array directly by using\n     * multiple arrays in a linked list and keeping the array size bounded.\n     */\n    var SimpleQueue = /** @class */ (function () {\n        function SimpleQueue() {\n            this._cursor = 0;\n            this._size = 0;\n            // _front and _back are always defined.\n            this._front = {\n                _elements: [],\n                _next: undefined\n            };\n            this._back = this._front;\n            // The cursor is used to avoid calling Array.shift().\n            // It contains the index of the front element of the array inside the\n            // front-most node. It is always in the range [0, QUEUE_MAX_ARRAY_SIZE).\n            this._cursor = 0;\n            // When there is only one node, size === elements.length - cursor.\n            this._size = 0;\n        }\n        Object.defineProperty(SimpleQueue.prototype, \"length\", {\n            get: function () {\n                return this._size;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        // For exception safety, this method is structured in order:\n        // 1. Read state\n        // 2. Calculate required state mutations\n        // 3. Perform state mutations\n        SimpleQueue.prototype.push = function (element) {\n            var oldBack = this._back;\n            var newBack = oldBack;\n            if (oldBack._elements.length === QUEUE_MAX_ARRAY_SIZE - 1) {\n                newBack = {\n                    _elements: [],\n                    _next: undefined\n                };\n            }\n            // push() is the mutation most likely to throw an exception, so it\n            // goes first.\n            oldBack._elements.push(element);\n            if (newBack !== oldBack) {\n                this._back = newBack;\n                oldBack._next = newBack;\n            }\n            ++this._size;\n        };\n        // Like push(), shift() follows the read -> calculate -> mutate pattern for\n        // exception safety.\n        SimpleQueue.prototype.shift = function () { // must not be called on an empty queue\n            var oldFront = this._front;\n            var newFront = oldFront;\n            var oldCursor = this._cursor;\n            var newCursor = oldCursor + 1;\n            var elements = oldFront._elements;\n            var element = elements[oldCursor];\n            if (newCursor === QUEUE_MAX_ARRAY_SIZE) {\n                newFront = oldFront._next;\n                newCursor = 0;\n            }\n            // No mutations before this point.\n            --this._size;\n            this._cursor = newCursor;\n            if (oldFront !== newFront) {\n                this._front = newFront;\n            }\n            // Permit shifted element to be garbage collected.\n            elements[oldCursor] = undefined;\n            return element;\n        };\n        // The tricky thing about forEach() is that it can be called\n        // re-entrantly. The queue may be mutated inside the callback. It is easy to\n        // see that push() within the callback has no negative effects since the end\n        // of the queue is checked for on every iteration. If shift() is called\n        // repeatedly within the callback then the next iteration may return an\n        // element that has been removed. In this case the callback will be called\n        // with undefined values until we either \"catch up\" with elements that still\n        // exist or reach the back of the queue.\n        SimpleQueue.prototype.forEach = function (callback) {\n            var i = this._cursor;\n            var node = this._front;\n            var elements = node._elements;\n            while (i !== elements.length || node._next !== undefined) {\n                if (i === elements.length) {\n                    node = node._next;\n                    elements = node._elements;\n                    i = 0;\n                    if (elements.length === 0) {\n                        break;\n                    }\n                }\n                callback(elements[i]);\n                ++i;\n            }\n        };\n        // Return the element that would be returned if shift() was called now,\n        // without modifying the queue.\n        SimpleQueue.prototype.peek = function () { // must not be called on an empty queue\n            var front = this._front;\n            var cursor = this._cursor;\n            return front._elements[cursor];\n        };\n        return SimpleQueue;\n    }());\n\n    function ReadableStreamCreateReadResult(value, done, forAuthorCode) {\n        var prototype = null;\n        if (forAuthorCode === true) {\n            prototype = Object.prototype;\n        }\n        var obj = Object.create(prototype);\n        obj.value = value;\n        obj.done = done;\n        return obj;\n    }\n    function ReadableStreamReaderGenericInitialize(reader, stream) {\n        reader._forAuthorCode = true;\n        reader._ownerReadableStream = stream;\n        stream._reader = reader;\n        if (stream._state === 'readable') {\n            defaultReaderClosedPromiseInitialize(reader);\n        }\n        else if (stream._state === 'closed') {\n            defaultReaderClosedPromiseInitializeAsResolved(reader);\n        }\n        else {\n            defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);\n        }\n    }\n    // A client of ReadableStreamDefaultReader and ReadableStreamBYOBReader may use these functions directly to bypass state\n    // check.\n    function ReadableStreamReaderGenericCancel(reader, reason) {\n        var stream = reader._ownerReadableStream;\n        return ReadableStreamCancel(stream, reason);\n    }\n    function ReadableStreamReaderGenericRelease(reader) {\n        if (reader._ownerReadableStream._state === 'readable') {\n            defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n        }\n        else {\n            defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n        }\n        reader._ownerReadableStream._reader = undefined;\n        reader._ownerReadableStream = undefined;\n    }\n    // Helper functions for the readers.\n    function readerLockException(name) {\n        return new TypeError('Cannot ' + name + ' a stream using a released reader');\n    }\n    // Helper functions for the ReadableStreamDefaultReader.\n    function defaultReaderClosedPromiseInitialize(reader) {\n        reader._closedPromise = newPromise(function (resolve, reject) {\n            reader._closedPromise_resolve = resolve;\n            reader._closedPromise_reject = reject;\n        });\n    }\n    function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {\n        defaultReaderClosedPromiseInitialize(reader);\n        defaultReaderClosedPromiseReject(reader, reason);\n    }\n    function defaultReaderClosedPromiseInitializeAsResolved(reader) {\n        defaultReaderClosedPromiseInitialize(reader);\n        defaultReaderClosedPromiseResolve(reader);\n    }\n    function defaultReaderClosedPromiseReject(reader, reason) {\n        setPromiseIsHandledToTrue(reader._closedPromise);\n        reader._closedPromise_reject(reason);\n        reader._closedPromise_resolve = undefined;\n        reader._closedPromise_reject = undefined;\n    }\n    function defaultReaderClosedPromiseResetToRejected(reader, reason) {\n        defaultReaderClosedPromiseInitializeAsRejected(reader, reason);\n    }\n    function defaultReaderClosedPromiseResolve(reader) {\n        reader._closedPromise_resolve(undefined);\n        reader._closedPromise_resolve = undefined;\n        reader._closedPromise_reject = undefined;\n    }\n\n    var CancelSteps = SymbolPolyfill('[[CancelSteps]]');\n    var PullSteps = SymbolPolyfill('[[PullSteps]]');\n\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamDefaultReader(stream, forAuthorCode) {\n        if (forAuthorCode === void 0) { forAuthorCode = false; }\n        var reader = new ReadableStreamDefaultReader(stream);\n        reader._forAuthorCode = forAuthorCode;\n        return reader;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamAddReadRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var readRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._reader._readRequests.push(readRequest);\n        });\n        return promise;\n    }\n    function ReadableStreamFulfillReadRequest(stream, chunk, done) {\n        var reader = stream._reader;\n        var readRequest = reader._readRequests.shift();\n        readRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));\n    }\n    function ReadableStreamGetNumReadRequests(stream) {\n        return stream._reader._readRequests.length;\n    }\n    function ReadableStreamHasDefaultReader(stream) {\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return false;\n        }\n        if (!IsReadableStreamDefaultReader(reader)) {\n            return false;\n        }\n        return true;\n    }\n    var ReadableStreamDefaultReader = /** @class */ (function () {\n        function ReadableStreamDefaultReader(stream) {\n            if (IsReadableStream(stream) === false) {\n                throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');\n            }\n            if (IsReadableStreamLocked(stream) === true) {\n                throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n            }\n            ReadableStreamReaderGenericInitialize(this, stream);\n            this._readRequests = new SimpleQueue();\n        }\n        Object.defineProperty(ReadableStreamDefaultReader.prototype, \"closed\", {\n            get: function () {\n                if (!IsReadableStreamDefaultReader(this)) {\n                    return promiseRejectedWith(defaultReaderBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamDefaultReader.prototype.cancel = function (reason) {\n            if (!IsReadableStreamDefaultReader(this)) {\n                return promiseRejectedWith(defaultReaderBrandCheckException('cancel'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('cancel'));\n            }\n            return ReadableStreamReaderGenericCancel(this, reason);\n        };\n        ReadableStreamDefaultReader.prototype.read = function () {\n            if (!IsReadableStreamDefaultReader(this)) {\n                return promiseRejectedWith(defaultReaderBrandCheckException('read'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('read from'));\n            }\n            return ReadableStreamDefaultReaderRead(this);\n        };\n        ReadableStreamDefaultReader.prototype.releaseLock = function () {\n            if (!IsReadableStreamDefaultReader(this)) {\n                throw defaultReaderBrandCheckException('releaseLock');\n            }\n            if (this._ownerReadableStream === undefined) {\n                return;\n            }\n            if (this._readRequests.length > 0) {\n                throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n            }\n            ReadableStreamReaderGenericRelease(this);\n        };\n        return ReadableStreamDefaultReader;\n    }());\n    // Abstract operations for the readers.\n    function IsReadableStreamDefaultReader(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultReaderRead(reader) {\n        var stream = reader._ownerReadableStream;\n        stream._disturbed = true;\n        if (stream._state === 'closed') {\n            return promiseResolvedWith(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));\n        }\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        return stream._readableStreamController[PullSteps]();\n    }\n    // Helper functions for the ReadableStreamDefaultReader.\n    function defaultReaderBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamDefaultReader.prototype.\" + name + \" can only be used on a ReadableStreamDefaultReader\");\n    }\n\n    /// <reference lib=\"es2018.asynciterable\" />\n    var _a;\n    var AsyncIteratorPrototype;\n    if (typeof SymbolPolyfill.asyncIterator === 'symbol') {\n        // We're running inside a ES2018+ environment, but we're compiling to an older syntax.\n        // We cannot access %AsyncIteratorPrototype% without non-ES2018 syntax, but we can re-create it.\n        AsyncIteratorPrototype = (_a = {},\n            // 25.1.3.1 %AsyncIteratorPrototype% [ @@asyncIterator ] ( )\n            // https://tc39.github.io/ecma262/#sec-asynciteratorprototype-asynciterator\n            _a[SymbolPolyfill.asyncIterator] = function () {\n                return this;\n            },\n            _a);\n        Object.defineProperty(AsyncIteratorPrototype, SymbolPolyfill.asyncIterator, { enumerable: false });\n    }\n\n    /// <reference lib=\"es2018.asynciterable\" />\n    var ReadableStreamAsyncIteratorPrototype = {\n        next: function () {\n            if (IsReadableStreamAsyncIterator(this) === false) {\n                return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));\n            }\n            var reader = this._asyncIteratorReader;\n            if (reader._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('iterate'));\n            }\n            return transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {\n                var done = result.done;\n                if (done) {\n                    ReadableStreamReaderGenericRelease(reader);\n                }\n                var value = result.value;\n                return ReadableStreamCreateReadResult(value, done, true);\n            });\n        },\n        return: function (value) {\n            if (IsReadableStreamAsyncIterator(this) === false) {\n                return promiseRejectedWith(streamAsyncIteratorBrandCheckException('next'));\n            }\n            var reader = this._asyncIteratorReader;\n            if (reader._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('finish iterating'));\n            }\n            if (reader._readRequests.length > 0) {\n                return promiseRejectedWith(new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'));\n            }\n            if (this._preventCancel === false) {\n                var result = ReadableStreamReaderGenericCancel(reader, value);\n                ReadableStreamReaderGenericRelease(reader);\n                return transformPromiseWith(result, function () { return ReadableStreamCreateReadResult(value, true, true); });\n            }\n            ReadableStreamReaderGenericRelease(reader);\n            return promiseResolvedWith(ReadableStreamCreateReadResult(value, true, true));\n        }\n    };\n    if (AsyncIteratorPrototype !== undefined) {\n        Object.setPrototypeOf(ReadableStreamAsyncIteratorPrototype, AsyncIteratorPrototype);\n    }\n    Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'next', { enumerable: false });\n    Object.defineProperty(ReadableStreamAsyncIteratorPrototype, 'return', { enumerable: false });\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamAsyncIterator(stream, preventCancel) {\n        if (preventCancel === void 0) { preventCancel = false; }\n        var reader = AcquireReadableStreamDefaultReader(stream);\n        var iterator = Object.create(ReadableStreamAsyncIteratorPrototype);\n        iterator._asyncIteratorReader = reader;\n        iterator._preventCancel = Boolean(preventCancel);\n        return iterator;\n    }\n    function IsReadableStreamAsyncIterator(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_asyncIteratorReader')) {\n            return false;\n        }\n        return true;\n    }\n    // Helper functions for the ReadableStream.\n    function streamAsyncIteratorBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamAsyncIterator.\" + name + \" can only be used on a ReadableSteamAsyncIterator\");\n    }\n\n    function DequeueValue(container) {\n        var pair = container._queue.shift();\n        container._queueTotalSize -= pair.size;\n        if (container._queueTotalSize < 0) {\n            container._queueTotalSize = 0;\n        }\n        return pair.value;\n    }\n    function EnqueueValueWithSize(container, value, size) {\n        size = Number(size);\n        if (!IsFiniteNonNegativeNumber(size)) {\n            throw new RangeError('Size must be a finite, non-NaN, non-negative number.');\n        }\n        container._queue.push({ value: value, size: size });\n        container._queueTotalSize += size;\n    }\n    function PeekQueueValue(container) {\n        var pair = container._queue.peek();\n        return pair.value;\n    }\n    function ResetQueue(container) {\n        container._queue = new SimpleQueue();\n        container._queueTotalSize = 0;\n    }\n\n    var AbortSteps = SymbolPolyfill('[[AbortSteps]]');\n    var ErrorSteps = SymbolPolyfill('[[ErrorSteps]]');\n    var WritableStream = /** @class */ (function () {\n        function WritableStream(underlyingSink, strategy) {\n            if (underlyingSink === void 0) { underlyingSink = {}; }\n            if (strategy === void 0) { strategy = {}; }\n            InitializeWritableStream(this);\n            var size = strategy.size;\n            var highWaterMark = strategy.highWaterMark;\n            var type = underlyingSink.type;\n            if (type !== undefined) {\n                throw new RangeError('Invalid type is specified');\n            }\n            var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);\n            if (highWaterMark === undefined) {\n                highWaterMark = 1;\n            }\n            highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n            SetUpWritableStreamDefaultControllerFromUnderlyingSink(this, underlyingSink, highWaterMark, sizeAlgorithm);\n        }\n        Object.defineProperty(WritableStream.prototype, \"locked\", {\n            get: function () {\n                if (IsWritableStream(this) === false) {\n                    throw streamBrandCheckException('locked');\n                }\n                return IsWritableStreamLocked(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        WritableStream.prototype.abort = function (reason) {\n            if (IsWritableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException('abort'));\n            }\n            if (IsWritableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot abort a stream that already has a writer'));\n            }\n            return WritableStreamAbort(this, reason);\n        };\n        WritableStream.prototype.close = function () {\n            if (IsWritableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException('close'));\n            }\n            if (IsWritableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close a stream that already has a writer'));\n            }\n            if (WritableStreamCloseQueuedOrInFlight(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));\n            }\n            return WritableStreamClose(this);\n        };\n        WritableStream.prototype.getWriter = function () {\n            if (IsWritableStream(this) === false) {\n                throw streamBrandCheckException('getWriter');\n            }\n            return AcquireWritableStreamDefaultWriter(this);\n        };\n        return WritableStream;\n    }());\n    // Abstract operations for the WritableStream.\n    function AcquireWritableStreamDefaultWriter(stream) {\n        return new WritableStreamDefaultWriter(stream);\n    }\n    // Throws if and only if startAlgorithm throws.\n    function CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {\n        if (highWaterMark === void 0) { highWaterMark = 1; }\n        if (sizeAlgorithm === void 0) { sizeAlgorithm = function () { return 1; }; }\n        var stream = Object.create(WritableStream.prototype);\n        InitializeWritableStream(stream);\n        var controller = Object.create(WritableStreamDefaultController.prototype);\n        SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);\n        return stream;\n    }\n    function InitializeWritableStream(stream) {\n        stream._state = 'writable';\n        // The error that will be reported by new method calls once the state becomes errored. Only set when [[state]] is\n        // 'erroring' or 'errored'. May be set to an undefined value.\n        stream._storedError = undefined;\n        stream._writer = undefined;\n        // Initialize to undefined first because the constructor of the controller checks this\n        // variable to validate the caller.\n        stream._writableStreamController = undefined;\n        // This queue is placed here instead of the writer class in order to allow for passing a writer to the next data\n        // producer without waiting for the queued writes to finish.\n        stream._writeRequests = new SimpleQueue();\n        // Write requests are removed from _writeRequests when write() is called on the underlying sink. This prevents\n        // them from being erroneously rejected on error. If a write() call is in-flight, the request is stored here.\n        stream._inFlightWriteRequest = undefined;\n        // The promise that was returned from writer.close(). Stored here because it may be fulfilled after the writer\n        // has been detached.\n        stream._closeRequest = undefined;\n        // Close request is removed from _closeRequest when close() is called on the underlying sink. This prevents it\n        // from being erroneously rejected on error. If a close() call is in-flight, the request is stored here.\n        stream._inFlightCloseRequest = undefined;\n        // The promise that was returned from writer.abort(). This may also be fulfilled after the writer has detached.\n        stream._pendingAbortRequest = undefined;\n        // The backpressure signal set by the controller.\n        stream._backpressure = false;\n    }\n    function IsWritableStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function IsWritableStreamLocked(stream) {\n        if (stream._writer === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamAbort(stream, reason) {\n        var state = stream._state;\n        if (state === 'closed' || state === 'errored') {\n            return promiseResolvedWith(undefined);\n        }\n        if (stream._pendingAbortRequest !== undefined) {\n            return stream._pendingAbortRequest._promise;\n        }\n        var wasAlreadyErroring = false;\n        if (state === 'erroring') {\n            wasAlreadyErroring = true;\n            // reason will not be used, so don't keep a reference to it.\n            reason = undefined;\n        }\n        var promise = newPromise(function (resolve, reject) {\n            stream._pendingAbortRequest = {\n                _promise: undefined,\n                _resolve: resolve,\n                _reject: reject,\n                _reason: reason,\n                _wasAlreadyErroring: wasAlreadyErroring\n            };\n        });\n        stream._pendingAbortRequest._promise = promise;\n        if (wasAlreadyErroring === false) {\n            WritableStreamStartErroring(stream, reason);\n        }\n        return promise;\n    }\n    function WritableStreamClose(stream) {\n        var state = stream._state;\n        if (state === 'closed' || state === 'errored') {\n            return promiseRejectedWith(new TypeError(\"The stream (in \" + state + \" state) is not in the writable state and cannot be closed\"));\n        }\n        var promise = newPromise(function (resolve, reject) {\n            var closeRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._closeRequest = closeRequest;\n        });\n        var writer = stream._writer;\n        if (writer !== undefined && stream._backpressure === true && state === 'writable') {\n            defaultWriterReadyPromiseResolve(writer);\n        }\n        WritableStreamDefaultControllerClose(stream._writableStreamController);\n        return promise;\n    }\n    // WritableStream API exposed for controllers.\n    function WritableStreamAddWriteRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var writeRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._writeRequests.push(writeRequest);\n        });\n        return promise;\n    }\n    function WritableStreamDealWithRejection(stream, error) {\n        var state = stream._state;\n        if (state === 'writable') {\n            WritableStreamStartErroring(stream, error);\n            return;\n        }\n        WritableStreamFinishErroring(stream);\n    }\n    function WritableStreamStartErroring(stream, reason) {\n        var controller = stream._writableStreamController;\n        stream._state = 'erroring';\n        stream._storedError = reason;\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);\n        }\n        if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {\n            WritableStreamFinishErroring(stream);\n        }\n    }\n    function WritableStreamFinishErroring(stream) {\n        stream._state = 'errored';\n        stream._writableStreamController[ErrorSteps]();\n        var storedError = stream._storedError;\n        stream._writeRequests.forEach(function (writeRequest) {\n            writeRequest._reject(storedError);\n        });\n        stream._writeRequests = new SimpleQueue();\n        if (stream._pendingAbortRequest === undefined) {\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n            return;\n        }\n        var abortRequest = stream._pendingAbortRequest;\n        stream._pendingAbortRequest = undefined;\n        if (abortRequest._wasAlreadyErroring === true) {\n            abortRequest._reject(storedError);\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n            return;\n        }\n        var promise = stream._writableStreamController[AbortSteps](abortRequest._reason);\n        uponPromise(promise, function () {\n            abortRequest._resolve();\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n        }, function (reason) {\n            abortRequest._reject(reason);\n            WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n        });\n    }\n    function WritableStreamFinishInFlightWrite(stream) {\n        stream._inFlightWriteRequest._resolve(undefined);\n        stream._inFlightWriteRequest = undefined;\n    }\n    function WritableStreamFinishInFlightWriteWithError(stream, error) {\n        stream._inFlightWriteRequest._reject(error);\n        stream._inFlightWriteRequest = undefined;\n        WritableStreamDealWithRejection(stream, error);\n    }\n    function WritableStreamFinishInFlightClose(stream) {\n        stream._inFlightCloseRequest._resolve(undefined);\n        stream._inFlightCloseRequest = undefined;\n        var state = stream._state;\n        if (state === 'erroring') {\n            // The error was too late to do anything, so it is ignored.\n            stream._storedError = undefined;\n            if (stream._pendingAbortRequest !== undefined) {\n                stream._pendingAbortRequest._resolve();\n                stream._pendingAbortRequest = undefined;\n            }\n        }\n        stream._state = 'closed';\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            defaultWriterClosedPromiseResolve(writer);\n        }\n    }\n    function WritableStreamFinishInFlightCloseWithError(stream, error) {\n        stream._inFlightCloseRequest._reject(error);\n        stream._inFlightCloseRequest = undefined;\n        // Never execute sink abort() after sink close().\n        if (stream._pendingAbortRequest !== undefined) {\n            stream._pendingAbortRequest._reject(error);\n            stream._pendingAbortRequest = undefined;\n        }\n        WritableStreamDealWithRejection(stream, error);\n    }\n    // TODO(ricea): Fix alphabetical order.\n    function WritableStreamCloseQueuedOrInFlight(stream) {\n        if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamHasOperationMarkedInFlight(stream) {\n        if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {\n            return false;\n        }\n        return true;\n    }\n    function WritableStreamMarkCloseRequestInFlight(stream) {\n        stream._inFlightCloseRequest = stream._closeRequest;\n        stream._closeRequest = undefined;\n    }\n    function WritableStreamMarkFirstWriteRequestInFlight(stream) {\n        stream._inFlightWriteRequest = stream._writeRequests.shift();\n    }\n    function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {\n        if (stream._closeRequest !== undefined) {\n            stream._closeRequest._reject(stream._storedError);\n            stream._closeRequest = undefined;\n        }\n        var writer = stream._writer;\n        if (writer !== undefined) {\n            defaultWriterClosedPromiseReject(writer, stream._storedError);\n        }\n    }\n    function WritableStreamUpdateBackpressure(stream, backpressure) {\n        var writer = stream._writer;\n        if (writer !== undefined && backpressure !== stream._backpressure) {\n            if (backpressure === true) {\n                defaultWriterReadyPromiseReset(writer);\n            }\n            else {\n                defaultWriterReadyPromiseResolve(writer);\n            }\n        }\n        stream._backpressure = backpressure;\n    }\n    var WritableStreamDefaultWriter = /** @class */ (function () {\n        function WritableStreamDefaultWriter(stream) {\n            if (IsWritableStream(stream) === false) {\n                throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');\n            }\n            if (IsWritableStreamLocked(stream) === true) {\n                throw new TypeError('This stream has already been locked for exclusive writing by another writer');\n            }\n            this._ownerWritableStream = stream;\n            stream._writer = this;\n            var state = stream._state;\n            if (state === 'writable') {\n                if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {\n                    defaultWriterReadyPromiseInitialize(this);\n                }\n                else {\n                    defaultWriterReadyPromiseInitializeAsResolved(this);\n                }\n                defaultWriterClosedPromiseInitialize(this);\n            }\n            else if (state === 'erroring') {\n                defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);\n                defaultWriterClosedPromiseInitialize(this);\n            }\n            else if (state === 'closed') {\n                defaultWriterReadyPromiseInitializeAsResolved(this);\n                defaultWriterClosedPromiseInitializeAsResolved(this);\n            }\n            else {\n                var storedError = stream._storedError;\n                defaultWriterReadyPromiseInitializeAsRejected(this, storedError);\n                defaultWriterClosedPromiseInitializeAsRejected(this, storedError);\n            }\n        }\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"closed\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    return promiseRejectedWith(defaultWriterBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    throw defaultWriterBrandCheckException('desiredSize');\n                }\n                if (this._ownerWritableStream === undefined) {\n                    throw defaultWriterLockException('desiredSize');\n                }\n                return WritableStreamDefaultWriterGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(WritableStreamDefaultWriter.prototype, \"ready\", {\n            get: function () {\n                if (IsWritableStreamDefaultWriter(this) === false) {\n                    return promiseRejectedWith(defaultWriterBrandCheckException('ready'));\n                }\n                return this._readyPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        WritableStreamDefaultWriter.prototype.abort = function (reason) {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('abort'));\n            }\n            if (this._ownerWritableStream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('abort'));\n            }\n            return WritableStreamDefaultWriterAbort(this, reason);\n        };\n        WritableStreamDefaultWriter.prototype.close = function () {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('close'));\n            }\n            var stream = this._ownerWritableStream;\n            if (stream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('close'));\n            }\n            if (WritableStreamCloseQueuedOrInFlight(stream) === true) {\n                return promiseRejectedWith(new TypeError('Cannot close an already-closing stream'));\n            }\n            return WritableStreamDefaultWriterClose(this);\n        };\n        WritableStreamDefaultWriter.prototype.releaseLock = function () {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                throw defaultWriterBrandCheckException('releaseLock');\n            }\n            var stream = this._ownerWritableStream;\n            if (stream === undefined) {\n                return;\n            }\n            WritableStreamDefaultWriterRelease(this);\n        };\n        WritableStreamDefaultWriter.prototype.write = function (chunk) {\n            if (IsWritableStreamDefaultWriter(this) === false) {\n                return promiseRejectedWith(defaultWriterBrandCheckException('write'));\n            }\n            if (this._ownerWritableStream === undefined) {\n                return promiseRejectedWith(defaultWriterLockException('write to'));\n            }\n            return WritableStreamDefaultWriterWrite(this, chunk);\n        };\n        return WritableStreamDefaultWriter;\n    }());\n    // Abstract operations for the WritableStreamDefaultWriter.\n    function IsWritableStreamDefaultWriter(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {\n            return false;\n        }\n        return true;\n    }\n    // A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.\n    function WritableStreamDefaultWriterAbort(writer, reason) {\n        var stream = writer._ownerWritableStream;\n        return WritableStreamAbort(stream, reason);\n    }\n    function WritableStreamDefaultWriterClose(writer) {\n        var stream = writer._ownerWritableStream;\n        return WritableStreamClose(stream);\n    }\n    function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {\n        var stream = writer._ownerWritableStream;\n        var state = stream._state;\n        if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n            return promiseResolvedWith(undefined);\n        }\n        if (state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        return WritableStreamDefaultWriterClose(writer);\n    }\n    function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {\n        if (writer._closedPromiseState === 'pending') {\n            defaultWriterClosedPromiseReject(writer, error);\n        }\n        else {\n            defaultWriterClosedPromiseResetToRejected(writer, error);\n        }\n    }\n    function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {\n        if (writer._readyPromiseState === 'pending') {\n            defaultWriterReadyPromiseReject(writer, error);\n        }\n        else {\n            defaultWriterReadyPromiseResetToRejected(writer, error);\n        }\n    }\n    function WritableStreamDefaultWriterGetDesiredSize(writer) {\n        var stream = writer._ownerWritableStream;\n        var state = stream._state;\n        if (state === 'errored' || state === 'erroring') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);\n    }\n    function WritableStreamDefaultWriterRelease(writer) {\n        var stream = writer._ownerWritableStream;\n        var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\\'s closedness');\n        WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);\n        // The state transitions to \"errored\" before the sink abort() method runs, but the writer.closed promise is not\n        // rejected until afterwards. This means that simply testing state will not work.\n        WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);\n        stream._writer = undefined;\n        writer._ownerWritableStream = undefined;\n    }\n    function WritableStreamDefaultWriterWrite(writer, chunk) {\n        var stream = writer._ownerWritableStream;\n        var controller = stream._writableStreamController;\n        var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);\n        if (stream !== writer._ownerWritableStream) {\n            return promiseRejectedWith(defaultWriterLockException('write to'));\n        }\n        var state = stream._state;\n        if (state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n            return promiseRejectedWith(new TypeError('The stream is closing or closed and cannot be written to'));\n        }\n        if (state === 'erroring') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        var promise = WritableStreamAddWriteRequest(stream);\n        WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);\n        return promise;\n    }\n    var WritableStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function WritableStreamDefaultController() {\n            throw new TypeError('WritableStreamDefaultController cannot be constructed explicitly');\n        }\n        WritableStreamDefaultController.prototype.error = function (e) {\n            if (IsWritableStreamDefaultController(this) === false) {\n                throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');\n            }\n            var state = this._controlledWritableStream._state;\n            if (state !== 'writable') {\n                // The stream is closed, errored or will be soon. The sink can't do anything useful if it gets an error here, so\n                // just treat it as a no-op.\n                return;\n            }\n            WritableStreamDefaultControllerError(this, e);\n        };\n        /** @internal */\n        WritableStreamDefaultController.prototype[AbortSteps] = function (reason) {\n            var result = this._abortAlgorithm(reason);\n            WritableStreamDefaultControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        WritableStreamDefaultController.prototype[ErrorSteps] = function () {\n            ResetQueue(this);\n        };\n        return WritableStreamDefaultController;\n    }());\n    // Abstract operations implementing interface required by the WritableStream.\n    function IsWritableStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledWritableStream')) {\n            return false;\n        }\n        return true;\n    }\n    function SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm) {\n        controller._controlledWritableStream = stream;\n        stream._writableStreamController = controller;\n        // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n        controller._queue = undefined;\n        controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._started = false;\n        controller._strategySizeAlgorithm = sizeAlgorithm;\n        controller._strategyHWM = highWaterMark;\n        controller._writeAlgorithm = writeAlgorithm;\n        controller._closeAlgorithm = closeAlgorithm;\n        controller._abortAlgorithm = abortAlgorithm;\n        var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n        WritableStreamUpdateBackpressure(stream, backpressure);\n        var startResult = startAlgorithm();\n        var startPromise = promiseResolvedWith(startResult);\n        uponPromise(startPromise, function () {\n            controller._started = true;\n            WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n        }, function (r) {\n            controller._started = true;\n            WritableStreamDealWithRejection(stream, r);\n        });\n    }\n    function SetUpWritableStreamDefaultControllerFromUnderlyingSink(stream, underlyingSink, highWaterMark, sizeAlgorithm) {\n        var controller = Object.create(WritableStreamDefaultController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingSink, 'start', [controller]);\n        }\n        var writeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'write', 1, [controller]);\n        var closeAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'close', 0, []);\n        var abortAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSink, 'abort', 1, []);\n        SetUpWritableStreamDefaultController(stream, controller, startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, highWaterMark, sizeAlgorithm);\n    }\n    // ClearAlgorithms may be called twice. Erroring the same stream in multiple ways will often result in redundant calls.\n    function WritableStreamDefaultControllerClearAlgorithms(controller) {\n        controller._writeAlgorithm = undefined;\n        controller._closeAlgorithm = undefined;\n        controller._abortAlgorithm = undefined;\n        controller._strategySizeAlgorithm = undefined;\n    }\n    function WritableStreamDefaultControllerClose(controller) {\n        EnqueueValueWithSize(controller, 'close', 0);\n        WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n    }\n    function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {\n        try {\n            return controller._strategySizeAlgorithm(chunk);\n        }\n        catch (chunkSizeE) {\n            WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n            return 1;\n        }\n    }\n    function WritableStreamDefaultControllerGetDesiredSize(controller) {\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {\n        var writeRecord = { chunk: chunk };\n        try {\n            EnqueueValueWithSize(controller, writeRecord, chunkSize);\n        }\n        catch (enqueueE) {\n            WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n            return;\n        }\n        var stream = controller._controlledWritableStream;\n        if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {\n            var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n            WritableStreamUpdateBackpressure(stream, backpressure);\n        }\n        WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n    }\n    // Abstract operations for the WritableStreamDefaultController.\n    function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {\n        var stream = controller._controlledWritableStream;\n        if (controller._started === false) {\n            return;\n        }\n        if (stream._inFlightWriteRequest !== undefined) {\n            return;\n        }\n        var state = stream._state;\n        if (state === 'erroring') {\n            WritableStreamFinishErroring(stream);\n            return;\n        }\n        if (controller._queue.length === 0) {\n            return;\n        }\n        var writeRecord = PeekQueueValue(controller);\n        if (writeRecord === 'close') {\n            WritableStreamDefaultControllerProcessClose(controller);\n        }\n        else {\n            WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);\n        }\n    }\n    function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {\n        if (controller._controlledWritableStream._state === 'writable') {\n            WritableStreamDefaultControllerError(controller, error);\n        }\n    }\n    function WritableStreamDefaultControllerProcessClose(controller) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamMarkCloseRequestInFlight(stream);\n        DequeueValue(controller);\n        var sinkClosePromise = controller._closeAlgorithm();\n        WritableStreamDefaultControllerClearAlgorithms(controller);\n        uponPromise(sinkClosePromise, function () {\n            WritableStreamFinishInFlightClose(stream);\n        }, function (reason) {\n            WritableStreamFinishInFlightCloseWithError(stream, reason);\n        });\n    }\n    function WritableStreamDefaultControllerProcessWrite(controller, chunk) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamMarkFirstWriteRequestInFlight(stream);\n        var sinkWritePromise = controller._writeAlgorithm(chunk);\n        uponPromise(sinkWritePromise, function () {\n            WritableStreamFinishInFlightWrite(stream);\n            var state = stream._state;\n            DequeueValue(controller);\n            if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {\n                var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n                WritableStreamUpdateBackpressure(stream, backpressure);\n            }\n            WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n        }, function (reason) {\n            if (stream._state === 'writable') {\n                WritableStreamDefaultControllerClearAlgorithms(controller);\n            }\n            WritableStreamFinishInFlightWriteWithError(stream, reason);\n        });\n    }\n    function WritableStreamDefaultControllerGetBackpressure(controller) {\n        var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);\n        return desiredSize <= 0;\n    }\n    // A client of WritableStreamDefaultController may use these functions directly to bypass state check.\n    function WritableStreamDefaultControllerError(controller, error) {\n        var stream = controller._controlledWritableStream;\n        WritableStreamDefaultControllerClearAlgorithms(controller);\n        WritableStreamStartErroring(stream, error);\n    }\n    // Helper functions for the WritableStream.\n    function streamBrandCheckException(name) {\n        return new TypeError(\"WritableStream.prototype.\" + name + \" can only be used on a WritableStream\");\n    }\n    // Helper functions for the WritableStreamDefaultWriter.\n    function defaultWriterBrandCheckException(name) {\n        return new TypeError(\"WritableStreamDefaultWriter.prototype.\" + name + \" can only be used on a WritableStreamDefaultWriter\");\n    }\n    function defaultWriterLockException(name) {\n        return new TypeError('Cannot ' + name + ' a stream using a released writer');\n    }\n    function defaultWriterClosedPromiseInitialize(writer) {\n        writer._closedPromise = newPromise(function (resolve, reject) {\n            writer._closedPromise_resolve = resolve;\n            writer._closedPromise_reject = reject;\n            writer._closedPromiseState = 'pending';\n        });\n    }\n    function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {\n        defaultWriterClosedPromiseInitialize(writer);\n        defaultWriterClosedPromiseReject(writer, reason);\n    }\n    function defaultWriterClosedPromiseInitializeAsResolved(writer) {\n        defaultWriterClosedPromiseInitialize(writer);\n        defaultWriterClosedPromiseResolve(writer);\n    }\n    function defaultWriterClosedPromiseReject(writer, reason) {\n        setPromiseIsHandledToTrue(writer._closedPromise);\n        writer._closedPromise_reject(reason);\n        writer._closedPromise_resolve = undefined;\n        writer._closedPromise_reject = undefined;\n        writer._closedPromiseState = 'rejected';\n    }\n    function defaultWriterClosedPromiseResetToRejected(writer, reason) {\n        defaultWriterClosedPromiseInitializeAsRejected(writer, reason);\n    }\n    function defaultWriterClosedPromiseResolve(writer) {\n        writer._closedPromise_resolve(undefined);\n        writer._closedPromise_resolve = undefined;\n        writer._closedPromise_reject = undefined;\n        writer._closedPromiseState = 'resolved';\n    }\n    function defaultWriterReadyPromiseInitialize(writer) {\n        writer._readyPromise = newPromise(function (resolve, reject) {\n            writer._readyPromise_resolve = resolve;\n            writer._readyPromise_reject = reject;\n        });\n        writer._readyPromiseState = 'pending';\n    }\n    function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {\n        defaultWriterReadyPromiseInitialize(writer);\n        defaultWriterReadyPromiseReject(writer, reason);\n    }\n    function defaultWriterReadyPromiseInitializeAsResolved(writer) {\n        defaultWriterReadyPromiseInitialize(writer);\n        defaultWriterReadyPromiseResolve(writer);\n    }\n    function defaultWriterReadyPromiseReject(writer, reason) {\n        setPromiseIsHandledToTrue(writer._readyPromise);\n        writer._readyPromise_reject(reason);\n        writer._readyPromise_resolve = undefined;\n        writer._readyPromise_reject = undefined;\n        writer._readyPromiseState = 'rejected';\n    }\n    function defaultWriterReadyPromiseReset(writer) {\n        defaultWriterReadyPromiseInitialize(writer);\n    }\n    function defaultWriterReadyPromiseResetToRejected(writer, reason) {\n        defaultWriterReadyPromiseInitializeAsRejected(writer, reason);\n    }\n    function defaultWriterReadyPromiseResolve(writer) {\n        writer._readyPromise_resolve(undefined);\n        writer._readyPromise_resolve = undefined;\n        writer._readyPromise_reject = undefined;\n        writer._readyPromiseState = 'fulfilled';\n    }\n\n    function isAbortSignal(value) {\n        if (typeof value !== 'object' || value === null) {\n            return false;\n        }\n        try {\n            return typeof value.aborted === 'boolean';\n        }\n        catch (_a) {\n            // AbortSignal.prototype.aborted throws if its brand check fails\n            return false;\n        }\n    }\n\n    /// <reference lib=\"dom\" />\n    var NativeDOMException = typeof DOMException !== 'undefined' ? DOMException : undefined;\n\n    /// <reference types=\"node\" />\n    function isDOMExceptionConstructor(ctor) {\n        if (!(typeof ctor === 'function' || typeof ctor === 'object')) {\n            return false;\n        }\n        try {\n            new ctor();\n            return true;\n        }\n        catch (_a) {\n            return false;\n        }\n    }\n    function createDOMExceptionPolyfill() {\n        var ctor = function DOMException(message, name) {\n            this.message = message || '';\n            this.name = name || 'Error';\n            if (Error.captureStackTrace) {\n                Error.captureStackTrace(this, this.constructor);\n            }\n        };\n        ctor.prototype = Object.create(Error.prototype);\n        Object.defineProperty(ctor.prototype, 'constructor', { value: ctor, writable: true, configurable: true });\n        return ctor;\n    }\n    var DOMException$1 = isDOMExceptionConstructor(NativeDOMException) ? NativeDOMException : createDOMExceptionPolyfill();\n\n    function ReadableStreamPipeTo(source, dest, preventClose, preventAbort, preventCancel, signal) {\n        var reader = AcquireReadableStreamDefaultReader(source);\n        var writer = AcquireWritableStreamDefaultWriter(dest);\n        source._disturbed = true;\n        var shuttingDown = false;\n        // This is used to keep track of the spec's requirement that we wait for ongoing writes during shutdown.\n        var currentWrite = promiseResolvedWith(undefined);\n        return newPromise(function (resolve, reject) {\n            var abortAlgorithm;\n            if (signal !== undefined) {\n                abortAlgorithm = function () {\n                    var error = new DOMException$1('Aborted', 'AbortError');\n                    var actions = [];\n                    if (preventAbort === false) {\n                        actions.push(function () {\n                            if (dest._state === 'writable') {\n                                return WritableStreamAbort(dest, error);\n                            }\n                            return promiseResolvedWith(undefined);\n                        });\n                    }\n                    if (preventCancel === false) {\n                        actions.push(function () {\n                            if (source._state === 'readable') {\n                                return ReadableStreamCancel(source, error);\n                            }\n                            return promiseResolvedWith(undefined);\n                        });\n                    }\n                    shutdownWithAction(function () { return Promise.all(actions.map(function (action) { return action(); })); }, true, error);\n                };\n                if (signal.aborted === true) {\n                    abortAlgorithm();\n                    return;\n                }\n                signal.addEventListener('abort', abortAlgorithm);\n            }\n            // Using reader and writer, read all chunks from this and write them to dest\n            // - Backpressure must be enforced\n            // - Shutdown must stop all activity\n            function pipeLoop() {\n                return newPromise(function (resolveLoop, rejectLoop) {\n                    function next(done) {\n                        if (done) {\n                            resolveLoop();\n                        }\n                        else {\n                            // Use `PerformPromiseThen` instead of `uponPromise` to avoid\n                            // adding unnecessary `.catch(rethrowAssertionErrorRejection)` handlers\n                            PerformPromiseThen(pipeStep(), next, rejectLoop);\n                        }\n                    }\n                    next(false);\n                });\n            }\n            function pipeStep() {\n                if (shuttingDown === true) {\n                    return promiseResolvedWith(true);\n                }\n                return PerformPromiseThen(writer._readyPromise, function () {\n                    return PerformPromiseThen(ReadableStreamDefaultReaderRead(reader), function (result) {\n                        if (result.done === true) {\n                            return true;\n                        }\n                        currentWrite = PerformPromiseThen(WritableStreamDefaultWriterWrite(writer, result.value), undefined, noop);\n                        return false;\n                    });\n                });\n            }\n            // Errors must be propagated forward\n            isOrBecomesErrored(source, reader._closedPromise, function (storedError) {\n                if (preventAbort === false) {\n                    shutdownWithAction(function () { return WritableStreamAbort(dest, storedError); }, true, storedError);\n                }\n                else {\n                    shutdown(true, storedError);\n                }\n            });\n            // Errors must be propagated backward\n            isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {\n                if (preventCancel === false) {\n                    shutdownWithAction(function () { return ReadableStreamCancel(source, storedError); }, true, storedError);\n                }\n                else {\n                    shutdown(true, storedError);\n                }\n            });\n            // Closing must be propagated forward\n            isOrBecomesClosed(source, reader._closedPromise, function () {\n                if (preventClose === false) {\n                    shutdownWithAction(function () { return WritableStreamDefaultWriterCloseWithErrorPropagation(writer); });\n                }\n                else {\n                    shutdown();\n                }\n            });\n            // Closing must be propagated backward\n            if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {\n                var destClosed_1 = new TypeError('the destination writable stream closed before all data could be piped to it');\n                if (preventCancel === false) {\n                    shutdownWithAction(function () { return ReadableStreamCancel(source, destClosed_1); }, true, destClosed_1);\n                }\n                else {\n                    shutdown(true, destClosed_1);\n                }\n            }\n            setPromiseIsHandledToTrue(pipeLoop());\n            function waitForWritesToFinish() {\n                // Another write may have started while we were waiting on this currentWrite, so we have to be sure to wait\n                // for that too.\n                var oldCurrentWrite = currentWrite;\n                return PerformPromiseThen(currentWrite, function () { return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined; });\n            }\n            function isOrBecomesErrored(stream, promise, action) {\n                if (stream._state === 'errored') {\n                    action(stream._storedError);\n                }\n                else {\n                    uponRejection(promise, action);\n                }\n            }\n            function isOrBecomesClosed(stream, promise, action) {\n                if (stream._state === 'closed') {\n                    action();\n                }\n                else {\n                    uponFulfillment(promise, action);\n                }\n            }\n            function shutdownWithAction(action, originalIsError, originalError) {\n                if (shuttingDown === true) {\n                    return;\n                }\n                shuttingDown = true;\n                if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n                    uponFulfillment(waitForWritesToFinish(), doTheRest);\n                }\n                else {\n                    doTheRest();\n                }\n                function doTheRest() {\n                    uponPromise(action(), function () { return finalize(originalIsError, originalError); }, function (newError) { return finalize(true, newError); });\n                }\n            }\n            function shutdown(isError, error) {\n                if (shuttingDown === true) {\n                    return;\n                }\n                shuttingDown = true;\n                if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n                    uponFulfillment(waitForWritesToFinish(), function () { return finalize(isError, error); });\n                }\n                else {\n                    finalize(isError, error);\n                }\n            }\n            function finalize(isError, error) {\n                WritableStreamDefaultWriterRelease(writer);\n                ReadableStreamReaderGenericRelease(reader);\n                if (signal !== undefined) {\n                    signal.removeEventListener('abort', abortAlgorithm);\n                }\n                if (isError) {\n                    reject(error);\n                }\n                else {\n                    resolve(undefined);\n                }\n            }\n        });\n    }\n\n    var ReadableStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function ReadableStreamDefaultController() {\n            throw new TypeError();\n        }\n        Object.defineProperty(ReadableStreamDefaultController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsReadableStreamDefaultController(this) === false) {\n                    throw defaultControllerBrandCheckException('desiredSize');\n                }\n                return ReadableStreamDefaultControllerGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamDefaultController.prototype.close = function () {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('close');\n            }\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {\n                throw new TypeError('The stream is not in a state that permits close');\n            }\n            ReadableStreamDefaultControllerClose(this);\n        };\n        ReadableStreamDefaultController.prototype.enqueue = function (chunk) {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('enqueue');\n            }\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(this) === false) {\n                throw new TypeError('The stream is not in a state that permits enqueue');\n            }\n            return ReadableStreamDefaultControllerEnqueue(this, chunk);\n        };\n        ReadableStreamDefaultController.prototype.error = function (e) {\n            if (IsReadableStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException('error');\n            }\n            ReadableStreamDefaultControllerError(this, e);\n        };\n        /** @internal */\n        ReadableStreamDefaultController.prototype[CancelSteps] = function (reason) {\n            ResetQueue(this);\n            var result = this._cancelAlgorithm(reason);\n            ReadableStreamDefaultControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        ReadableStreamDefaultController.prototype[PullSteps] = function () {\n            var stream = this._controlledReadableStream;\n            if (this._queue.length > 0) {\n                var chunk = DequeueValue(this);\n                if (this._closeRequested === true && this._queue.length === 0) {\n                    ReadableStreamDefaultControllerClearAlgorithms(this);\n                    ReadableStreamClose(stream);\n                }\n                else {\n                    ReadableStreamDefaultControllerCallPullIfNeeded(this);\n                }\n                return promiseResolvedWith(ReadableStreamCreateReadResult(chunk, false, stream._reader._forAuthorCode));\n            }\n            var pendingPromise = ReadableStreamAddReadRequest(stream);\n            ReadableStreamDefaultControllerCallPullIfNeeded(this);\n            return pendingPromise;\n        };\n        return ReadableStreamDefaultController;\n    }());\n    // Abstract operations for the ReadableStreamDefaultController.\n    function IsReadableStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableStream')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {\n        var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);\n        if (shouldPull === false) {\n            return;\n        }\n        if (controller._pulling === true) {\n            controller._pullAgain = true;\n            return;\n        }\n        controller._pulling = true;\n        var pullPromise = controller._pullAlgorithm();\n        uponPromise(pullPromise, function () {\n            controller._pulling = false;\n            if (controller._pullAgain === true) {\n                controller._pullAgain = false;\n                ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n            }\n        }, function (e) {\n            ReadableStreamDefaultControllerError(controller, e);\n        });\n    }\n    function ReadableStreamDefaultControllerShouldCallPull(controller) {\n        var stream = controller._controlledReadableStream;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) === false) {\n            return false;\n        }\n        if (controller._started === false) {\n            return false;\n        }\n        if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            return true;\n        }\n        var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n        if (desiredSize > 0) {\n            return true;\n        }\n        return false;\n    }\n    function ReadableStreamDefaultControllerClearAlgorithms(controller) {\n        controller._pullAlgorithm = undefined;\n        controller._cancelAlgorithm = undefined;\n        controller._strategySizeAlgorithm = undefined;\n    }\n    // A client of ReadableStreamDefaultController may use these functions directly to bypass state check.\n    function ReadableStreamDefaultControllerClose(controller) {\n        var stream = controller._controlledReadableStream;\n        controller._closeRequested = true;\n        if (controller._queue.length === 0) {\n            ReadableStreamDefaultControllerClearAlgorithms(controller);\n            ReadableStreamClose(stream);\n        }\n    }\n    function ReadableStreamDefaultControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledReadableStream;\n        if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            ReadableStreamFulfillReadRequest(stream, chunk, false);\n        }\n        else {\n            var chunkSize = void 0;\n            try {\n                chunkSize = controller._strategySizeAlgorithm(chunk);\n            }\n            catch (chunkSizeE) {\n                ReadableStreamDefaultControllerError(controller, chunkSizeE);\n                throw chunkSizeE;\n            }\n            try {\n                EnqueueValueWithSize(controller, chunk, chunkSize);\n            }\n            catch (enqueueE) {\n                ReadableStreamDefaultControllerError(controller, enqueueE);\n                throw enqueueE;\n            }\n        }\n        ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n    }\n    function ReadableStreamDefaultControllerError(controller, e) {\n        var stream = controller._controlledReadableStream;\n        if (stream._state !== 'readable') {\n            return;\n        }\n        ResetQueue(controller);\n        ReadableStreamDefaultControllerClearAlgorithms(controller);\n        ReadableStreamError(stream, e);\n    }\n    function ReadableStreamDefaultControllerGetDesiredSize(controller) {\n        var stream = controller._controlledReadableStream;\n        var state = stream._state;\n        if (state === 'errored') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    // This is used in the implementation of TransformStream.\n    function ReadableStreamDefaultControllerHasBackpressure(controller) {\n        if (ReadableStreamDefaultControllerShouldCallPull(controller) === true) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) {\n        var state = controller._controlledReadableStream._state;\n        if (controller._closeRequested === false && state === 'readable') {\n            return true;\n        }\n        return false;\n    }\n    function SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {\n        controller._controlledReadableStream = stream;\n        controller._queue = undefined;\n        controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._started = false;\n        controller._closeRequested = false;\n        controller._pullAgain = false;\n        controller._pulling = false;\n        controller._strategySizeAlgorithm = sizeAlgorithm;\n        controller._strategyHWM = highWaterMark;\n        controller._pullAlgorithm = pullAlgorithm;\n        controller._cancelAlgorithm = cancelAlgorithm;\n        stream._readableStreamController = controller;\n        var startResult = startAlgorithm();\n        uponPromise(promiseResolvedWith(startResult), function () {\n            controller._started = true;\n            ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n        }, function (r) {\n            ReadableStreamDefaultControllerError(controller, r);\n        });\n    }\n    function SetUpReadableStreamDefaultControllerFromUnderlyingSource(stream, underlyingSource, highWaterMark, sizeAlgorithm) {\n        var controller = Object.create(ReadableStreamDefaultController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingSource, 'start', [controller]);\n        }\n        var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'pull', 0, [controller]);\n        var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingSource, 'cancel', 1, []);\n        SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);\n    }\n    // Helper functions for the ReadableStreamDefaultController.\n    function defaultControllerBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamDefaultController.prototype.\" + name + \" can only be used on a ReadableStreamDefaultController\");\n    }\n\n    function ReadableStreamTee(stream, cloneForBranch2) {\n        var reader = AcquireReadableStreamDefaultReader(stream);\n        var reading = false;\n        var canceled1 = false;\n        var canceled2 = false;\n        var reason1;\n        var reason2;\n        var branch1;\n        var branch2;\n        var resolveCancelPromise;\n        var cancelPromise = newPromise(function (resolve) {\n            resolveCancelPromise = resolve;\n        });\n        function pullAlgorithm() {\n            if (reading === true) {\n                return promiseResolvedWith(undefined);\n            }\n            reading = true;\n            var readPromise = transformPromiseWith(ReadableStreamDefaultReaderRead(reader), function (result) {\n                reading = false;\n                var done = result.done;\n                if (done === true) {\n                    if (canceled1 === false) {\n                        ReadableStreamDefaultControllerClose(branch1._readableStreamController);\n                    }\n                    if (canceled2 === false) {\n                        ReadableStreamDefaultControllerClose(branch2._readableStreamController);\n                    }\n                    return;\n                }\n                var value = result.value;\n                var value1 = value;\n                var value2 = value;\n                // There is no way to access the cloning code right now in the reference implementation.\n                // If we add one then we'll need an implementation for serializable objects.\n                // if (canceled2 === false && cloneForBranch2 === true) {\n                //   value2 = StructuredDeserialize(StructuredSerialize(value2));\n                // }\n                if (canceled1 === false) {\n                    ReadableStreamDefaultControllerEnqueue(branch1._readableStreamController, value1);\n                }\n                if (canceled2 === false) {\n                    ReadableStreamDefaultControllerEnqueue(branch2._readableStreamController, value2);\n                }\n            });\n            setPromiseIsHandledToTrue(readPromise);\n            return promiseResolvedWith(undefined);\n        }\n        function cancel1Algorithm(reason) {\n            canceled1 = true;\n            reason1 = reason;\n            if (canceled2 === true) {\n                var compositeReason = createArrayFromList([reason1, reason2]);\n                var cancelResult = ReadableStreamCancel(stream, compositeReason);\n                resolveCancelPromise(cancelResult);\n            }\n            return cancelPromise;\n        }\n        function cancel2Algorithm(reason) {\n            canceled2 = true;\n            reason2 = reason;\n            if (canceled1 === true) {\n                var compositeReason = createArrayFromList([reason1, reason2]);\n                var cancelResult = ReadableStreamCancel(stream, compositeReason);\n                resolveCancelPromise(cancelResult);\n            }\n            return cancelPromise;\n        }\n        function startAlgorithm() { }\n        branch1 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel1Algorithm);\n        branch2 = CreateReadableStream(startAlgorithm, pullAlgorithm, cancel2Algorithm);\n        uponRejection(reader._closedPromise, function (r) {\n            ReadableStreamDefaultControllerError(branch1._readableStreamController, r);\n            ReadableStreamDefaultControllerError(branch2._readableStreamController, r);\n        });\n        return [branch1, branch2];\n    }\n\n    /// <reference lib=\"es2015.core\" />\n    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger#Polyfill\n    var NumberIsInteger = Number.isInteger || function (value) {\n        return typeof value === 'number' &&\n            isFinite(value) &&\n            Math.floor(value) === value;\n    };\n\n    var ReadableStreamBYOBRequest = /** @class */ (function () {\n        /** @internal */\n        function ReadableStreamBYOBRequest() {\n            throw new TypeError('ReadableStreamBYOBRequest cannot be used directly');\n        }\n        Object.defineProperty(ReadableStreamBYOBRequest.prototype, \"view\", {\n            get: function () {\n                if (IsReadableStreamBYOBRequest(this) === false) {\n                    throw byobRequestBrandCheckException('view');\n                }\n                return this._view;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamBYOBRequest.prototype.respond = function (bytesWritten) {\n            if (IsReadableStreamBYOBRequest(this) === false) {\n                throw byobRequestBrandCheckException('respond');\n            }\n            if (this._associatedReadableByteStreamController === undefined) {\n                throw new TypeError('This BYOB request has been invalidated');\n            }\n            if (IsDetachedBuffer(this._view.buffer) === true) ;\n            ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);\n        };\n        ReadableStreamBYOBRequest.prototype.respondWithNewView = function (view) {\n            if (IsReadableStreamBYOBRequest(this) === false) {\n                throw byobRequestBrandCheckException('respond');\n            }\n            if (this._associatedReadableByteStreamController === undefined) {\n                throw new TypeError('This BYOB request has been invalidated');\n            }\n            if (!ArrayBuffer.isView(view)) {\n                throw new TypeError('You can only respond with array buffer views');\n            }\n            if (IsDetachedBuffer(view.buffer) === true) ;\n            ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);\n        };\n        return ReadableStreamBYOBRequest;\n    }());\n    var ReadableByteStreamController = /** @class */ (function () {\n        /** @internal */\n        function ReadableByteStreamController() {\n            throw new TypeError('ReadableByteStreamController constructor cannot be used directly');\n        }\n        Object.defineProperty(ReadableByteStreamController.prototype, \"byobRequest\", {\n            get: function () {\n                if (IsReadableByteStreamController(this) === false) {\n                    throw byteStreamControllerBrandCheckException('byobRequest');\n                }\n                if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {\n                    var firstDescriptor = this._pendingPullIntos.peek();\n                    var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);\n                    var byobRequest = Object.create(ReadableStreamBYOBRequest.prototype);\n                    SetUpReadableStreamBYOBRequest(byobRequest, this, view);\n                    this._byobRequest = byobRequest;\n                }\n                return this._byobRequest;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(ReadableByteStreamController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsReadableByteStreamController(this) === false) {\n                    throw byteStreamControllerBrandCheckException('desiredSize');\n                }\n                return ReadableByteStreamControllerGetDesiredSize(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableByteStreamController.prototype.close = function () {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('close');\n            }\n            if (this._closeRequested === true) {\n                throw new TypeError('The stream has already been closed; do not close it again!');\n            }\n            var state = this._controlledReadableByteStream._state;\n            if (state !== 'readable') {\n                throw new TypeError(\"The stream (in \" + state + \" state) is not in the readable state and cannot be closed\");\n            }\n            ReadableByteStreamControllerClose(this);\n        };\n        ReadableByteStreamController.prototype.enqueue = function (chunk) {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('enqueue');\n            }\n            if (this._closeRequested === true) {\n                throw new TypeError('stream is closed or draining');\n            }\n            var state = this._controlledReadableByteStream._state;\n            if (state !== 'readable') {\n                throw new TypeError(\"The stream (in \" + state + \" state) is not in the readable state and cannot be enqueued to\");\n            }\n            if (!ArrayBuffer.isView(chunk)) {\n                throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');\n            }\n            if (IsDetachedBuffer(chunk.buffer) === true) ;\n            ReadableByteStreamControllerEnqueue(this, chunk);\n        };\n        ReadableByteStreamController.prototype.error = function (e) {\n            if (IsReadableByteStreamController(this) === false) {\n                throw byteStreamControllerBrandCheckException('error');\n            }\n            ReadableByteStreamControllerError(this, e);\n        };\n        /** @internal */\n        ReadableByteStreamController.prototype[CancelSteps] = function (reason) {\n            if (this._pendingPullIntos.length > 0) {\n                var firstDescriptor = this._pendingPullIntos.peek();\n                firstDescriptor.bytesFilled = 0;\n            }\n            ResetQueue(this);\n            var result = this._cancelAlgorithm(reason);\n            ReadableByteStreamControllerClearAlgorithms(this);\n            return result;\n        };\n        /** @internal */\n        ReadableByteStreamController.prototype[PullSteps] = function () {\n            var stream = this._controlledReadableByteStream;\n            if (this._queueTotalSize > 0) {\n                var entry = this._queue.shift();\n                this._queueTotalSize -= entry.byteLength;\n                ReadableByteStreamControllerHandleQueueDrain(this);\n                var view = void 0;\n                try {\n                    view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);\n                }\n                catch (viewE) {\n                    return promiseRejectedWith(viewE);\n                }\n                return promiseResolvedWith(ReadableStreamCreateReadResult(view, false, stream._reader._forAuthorCode));\n            }\n            var autoAllocateChunkSize = this._autoAllocateChunkSize;\n            if (autoAllocateChunkSize !== undefined) {\n                var buffer = void 0;\n                try {\n                    buffer = new ArrayBuffer(autoAllocateChunkSize);\n                }\n                catch (bufferE) {\n                    return promiseRejectedWith(bufferE);\n                }\n                var pullIntoDescriptor = {\n                    buffer: buffer,\n                    byteOffset: 0,\n                    byteLength: autoAllocateChunkSize,\n                    bytesFilled: 0,\n                    elementSize: 1,\n                    ctor: Uint8Array,\n                    readerType: 'default'\n                };\n                this._pendingPullIntos.push(pullIntoDescriptor);\n            }\n            var promise = ReadableStreamAddReadRequest(stream);\n            ReadableByteStreamControllerCallPullIfNeeded(this);\n            return promise;\n        };\n        return ReadableByteStreamController;\n    }());\n    // Abstract operations for the ReadableByteStreamController.\n    function IsReadableByteStreamController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledReadableByteStream')) {\n            return false;\n        }\n        return true;\n    }\n    function IsReadableStreamBYOBRequest(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableByteStreamControllerCallPullIfNeeded(controller) {\n        var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);\n        if (shouldPull === false) {\n            return;\n        }\n        if (controller._pulling === true) {\n            controller._pullAgain = true;\n            return;\n        }\n        controller._pulling = true;\n        // TODO: Test controller argument\n        var pullPromise = controller._pullAlgorithm();\n        uponPromise(pullPromise, function () {\n            controller._pulling = false;\n            if (controller._pullAgain === true) {\n                controller._pullAgain = false;\n                ReadableByteStreamControllerCallPullIfNeeded(controller);\n            }\n        }, function (e) {\n            ReadableByteStreamControllerError(controller, e);\n        });\n    }\n    function ReadableByteStreamControllerClearPendingPullIntos(controller) {\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        controller._pendingPullIntos = new SimpleQueue();\n    }\n    function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {\n        var done = false;\n        if (stream._state === 'closed') {\n            done = true;\n        }\n        var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n        if (pullIntoDescriptor.readerType === 'default') {\n            ReadableStreamFulfillReadRequest(stream, filledView, done);\n        }\n        else {\n            ReadableStreamFulfillReadIntoRequest(stream, filledView, done);\n        }\n    }\n    function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {\n        var bytesFilled = pullIntoDescriptor.bytesFilled;\n        var elementSize = pullIntoDescriptor.elementSize;\n        return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);\n    }\n    function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {\n        controller._queue.push({ buffer: buffer, byteOffset: byteOffset, byteLength: byteLength });\n        controller._queueTotalSize += byteLength;\n    }\n    function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {\n        var elementSize = pullIntoDescriptor.elementSize;\n        var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;\n        var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);\n        var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;\n        var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;\n        var totalBytesToCopyRemaining = maxBytesToCopy;\n        var ready = false;\n        if (maxAlignedBytes > currentAlignedBytes) {\n            totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;\n            ready = true;\n        }\n        var queue = controller._queue;\n        while (totalBytesToCopyRemaining > 0) {\n            var headOfQueue = queue.peek();\n            var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);\n            var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n            ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);\n            if (headOfQueue.byteLength === bytesToCopy) {\n                queue.shift();\n            }\n            else {\n                headOfQueue.byteOffset += bytesToCopy;\n                headOfQueue.byteLength -= bytesToCopy;\n            }\n            controller._queueTotalSize -= bytesToCopy;\n            ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);\n            totalBytesToCopyRemaining -= bytesToCopy;\n        }\n        return ready;\n    }\n    function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        pullIntoDescriptor.bytesFilled += size;\n    }\n    function ReadableByteStreamControllerHandleQueueDrain(controller) {\n        if (controller._queueTotalSize === 0 && controller._closeRequested === true) {\n            ReadableByteStreamControllerClearAlgorithms(controller);\n            ReadableStreamClose(controller._controlledReadableByteStream);\n        }\n        else {\n            ReadableByteStreamControllerCallPullIfNeeded(controller);\n        }\n    }\n    function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {\n        if (controller._byobRequest === undefined) {\n            return;\n        }\n        controller._byobRequest._associatedReadableByteStreamController = undefined;\n        controller._byobRequest._view = undefined;\n        controller._byobRequest = undefined;\n    }\n    function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {\n        while (controller._pendingPullIntos.length > 0) {\n            if (controller._queueTotalSize === 0) {\n                return;\n            }\n            var pullIntoDescriptor = controller._pendingPullIntos.peek();\n            if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n                ReadableByteStreamControllerShiftPendingPullInto(controller);\n                ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);\n            }\n        }\n    }\n    function ReadableByteStreamControllerPullInto(controller, view) {\n        var stream = controller._controlledReadableByteStream;\n        var elementSize = 1;\n        if (view.constructor !== DataView) {\n            elementSize = view.constructor.BYTES_PER_ELEMENT;\n        }\n        var ctor = view.constructor;\n        var buffer = TransferArrayBuffer(view.buffer);\n        var pullIntoDescriptor = {\n            buffer: buffer,\n            byteOffset: view.byteOffset,\n            byteLength: view.byteLength,\n            bytesFilled: 0,\n            elementSize: elementSize,\n            ctor: ctor,\n            readerType: 'byob'\n        };\n        if (controller._pendingPullIntos.length > 0) {\n            controller._pendingPullIntos.push(pullIntoDescriptor);\n            // No ReadableByteStreamControllerCallPullIfNeeded() call since:\n            // - No change happens on desiredSize\n            // - The source has already been notified of that there's at least 1 pending read(view)\n            return ReadableStreamAddReadIntoRequest(stream);\n        }\n        if (stream._state === 'closed') {\n            var emptyView = new ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);\n            return promiseResolvedWith(ReadableStreamCreateReadResult(emptyView, true, stream._reader._forAuthorCode));\n        }\n        if (controller._queueTotalSize > 0) {\n            if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n                var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n                ReadableByteStreamControllerHandleQueueDrain(controller);\n                return promiseResolvedWith(ReadableStreamCreateReadResult(filledView, false, stream._reader._forAuthorCode));\n            }\n            if (controller._closeRequested === true) {\n                var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n                ReadableByteStreamControllerError(controller, e);\n                return promiseRejectedWith(e);\n            }\n        }\n        controller._pendingPullIntos.push(pullIntoDescriptor);\n        var promise = ReadableStreamAddReadIntoRequest(stream);\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n        return promise;\n    }\n    function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {\n        firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);\n        var stream = controller._controlledReadableByteStream;\n        if (ReadableStreamHasBYOBReader(stream) === true) {\n            while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n                var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);\n                ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);\n            }\n        }\n    }\n    function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {\n        if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {\n            throw new RangeError('bytesWritten out of range');\n        }\n        ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);\n        if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {\n            // TODO: Figure out whether we should detach the buffer or not here.\n            return;\n        }\n        ReadableByteStreamControllerShiftPendingPullInto(controller);\n        var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;\n        if (remainderSize > 0) {\n            var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n            var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);\n        }\n        pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n        pullIntoDescriptor.bytesFilled -= remainderSize;\n        ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableByteStream, pullIntoDescriptor);\n        ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n    }\n    function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {\n        var firstDescriptor = controller._pendingPullIntos.peek();\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state === 'closed') {\n            if (bytesWritten !== 0) {\n                throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');\n            }\n            ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);\n        }\n        else {\n            ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);\n        }\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n    }\n    function ReadableByteStreamControllerShiftPendingPullInto(controller) {\n        var descriptor = controller._pendingPullIntos.shift();\n        ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n        return descriptor;\n    }\n    function ReadableByteStreamControllerShouldCallPull(controller) {\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state !== 'readable') {\n            return false;\n        }\n        if (controller._closeRequested === true) {\n            return false;\n        }\n        if (controller._started === false) {\n            return false;\n        }\n        if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n            return true;\n        }\n        if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n            return true;\n        }\n        var desiredSize = ReadableByteStreamControllerGetDesiredSize(controller);\n        if (desiredSize > 0) {\n            return true;\n        }\n        return false;\n    }\n    function ReadableByteStreamControllerClearAlgorithms(controller) {\n        controller._pullAlgorithm = undefined;\n        controller._cancelAlgorithm = undefined;\n    }\n    // A client of ReadableByteStreamController may use these functions directly to bypass state check.\n    function ReadableByteStreamControllerClose(controller) {\n        var stream = controller._controlledReadableByteStream;\n        if (controller._queueTotalSize > 0) {\n            controller._closeRequested = true;\n            return;\n        }\n        if (controller._pendingPullIntos.length > 0) {\n            var firstPendingPullInto = controller._pendingPullIntos.peek();\n            if (firstPendingPullInto.bytesFilled > 0) {\n                var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n                ReadableByteStreamControllerError(controller, e);\n                throw e;\n            }\n        }\n        ReadableByteStreamControllerClearAlgorithms(controller);\n        ReadableStreamClose(stream);\n    }\n    function ReadableByteStreamControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledReadableByteStream;\n        var buffer = chunk.buffer;\n        var byteOffset = chunk.byteOffset;\n        var byteLength = chunk.byteLength;\n        var transferredBuffer = TransferArrayBuffer(buffer);\n        if (ReadableStreamHasDefaultReader(stream) === true) {\n            if (ReadableStreamGetNumReadRequests(stream) === 0) {\n                ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n            }\n            else {\n                var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);\n                ReadableStreamFulfillReadRequest(stream, transferredView, false);\n            }\n        }\n        else if (ReadableStreamHasBYOBReader(stream) === true) {\n            // TODO: Ideally in this branch detaching should happen only if the buffer is not consumed fully.\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n            ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n        }\n        else {\n            ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n        }\n        ReadableByteStreamControllerCallPullIfNeeded(controller);\n    }\n    function ReadableByteStreamControllerError(controller, e) {\n        var stream = controller._controlledReadableByteStream;\n        if (stream._state !== 'readable') {\n            return;\n        }\n        ReadableByteStreamControllerClearPendingPullIntos(controller);\n        ResetQueue(controller);\n        ReadableByteStreamControllerClearAlgorithms(controller);\n        ReadableStreamError(stream, e);\n    }\n    function ReadableByteStreamControllerGetDesiredSize(controller) {\n        var stream = controller._controlledReadableByteStream;\n        var state = stream._state;\n        if (state === 'errored') {\n            return null;\n        }\n        if (state === 'closed') {\n            return 0;\n        }\n        return controller._strategyHWM - controller._queueTotalSize;\n    }\n    function ReadableByteStreamControllerRespond(controller, bytesWritten) {\n        bytesWritten = Number(bytesWritten);\n        if (IsFiniteNonNegativeNumber(bytesWritten) === false) {\n            throw new RangeError('bytesWritten must be a finite');\n        }\n        ReadableByteStreamControllerRespondInternal(controller, bytesWritten);\n    }\n    function ReadableByteStreamControllerRespondWithNewView(controller, view) {\n        var firstDescriptor = controller._pendingPullIntos.peek();\n        if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {\n            throw new RangeError('The region specified by view does not match byobRequest');\n        }\n        if (firstDescriptor.byteLength !== view.byteLength) {\n            throw new RangeError('The buffer of view has different capacity than byobRequest');\n        }\n        firstDescriptor.buffer = view.buffer;\n        ReadableByteStreamControllerRespondInternal(controller, view.byteLength);\n    }\n    function SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize) {\n        controller._controlledReadableByteStream = stream;\n        controller._pullAgain = false;\n        controller._pulling = false;\n        controller._byobRequest = undefined;\n        // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n        controller._queue = controller._queueTotalSize = undefined;\n        ResetQueue(controller);\n        controller._closeRequested = false;\n        controller._started = false;\n        controller._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);\n        controller._pullAlgorithm = pullAlgorithm;\n        controller._cancelAlgorithm = cancelAlgorithm;\n        controller._autoAllocateChunkSize = autoAllocateChunkSize;\n        controller._pendingPullIntos = new SimpleQueue();\n        stream._readableStreamController = controller;\n        var startResult = startAlgorithm();\n        uponPromise(promiseResolvedWith(startResult), function () {\n            controller._started = true;\n            ReadableByteStreamControllerCallPullIfNeeded(controller);\n        }, function (r) {\n            ReadableByteStreamControllerError(controller, r);\n        });\n    }\n    function SetUpReadableByteStreamControllerFromUnderlyingSource(stream, underlyingByteSource, highWaterMark) {\n        var controller = Object.create(ReadableByteStreamController.prototype);\n        function startAlgorithm() {\n            return InvokeOrNoop(underlyingByteSource, 'start', [controller]);\n        }\n        var pullAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'pull', 0, [controller]);\n        var cancelAlgorithm = CreateAlgorithmFromUnderlyingMethod(underlyingByteSource, 'cancel', 1, []);\n        var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;\n        if (autoAllocateChunkSize !== undefined) {\n            autoAllocateChunkSize = Number(autoAllocateChunkSize);\n            if (NumberIsInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {\n                throw new RangeError('autoAllocateChunkSize must be a positive integer');\n            }\n        }\n        SetUpReadableByteStreamController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, autoAllocateChunkSize);\n    }\n    function SetUpReadableStreamBYOBRequest(request, controller, view) {\n        request._associatedReadableByteStreamController = controller;\n        request._view = view;\n    }\n    // Helper functions for the ReadableStreamBYOBRequest.\n    function byobRequestBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamBYOBRequest.prototype.\" + name + \" can only be used on a ReadableStreamBYOBRequest\");\n    }\n    // Helper functions for the ReadableByteStreamController.\n    function byteStreamControllerBrandCheckException(name) {\n        return new TypeError(\"ReadableByteStreamController.prototype.\" + name + \" can only be used on a ReadableByteStreamController\");\n    }\n\n    // Abstract operations for the ReadableStream.\n    function AcquireReadableStreamBYOBReader(stream, forAuthorCode) {\n        if (forAuthorCode === void 0) { forAuthorCode = false; }\n        var reader = new ReadableStreamBYOBReader(stream);\n        reader._forAuthorCode = forAuthorCode;\n        return reader;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamAddReadIntoRequest(stream) {\n        var promise = newPromise(function (resolve, reject) {\n            var readIntoRequest = {\n                _resolve: resolve,\n                _reject: reject\n            };\n            stream._reader._readIntoRequests.push(readIntoRequest);\n        });\n        return promise;\n    }\n    function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {\n        var reader = stream._reader;\n        var readIntoRequest = reader._readIntoRequests.shift();\n        readIntoRequest._resolve(ReadableStreamCreateReadResult(chunk, done, reader._forAuthorCode));\n    }\n    function ReadableStreamGetNumReadIntoRequests(stream) {\n        return stream._reader._readIntoRequests.length;\n    }\n    function ReadableStreamHasBYOBReader(stream) {\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return false;\n        }\n        if (!IsReadableStreamBYOBReader(reader)) {\n            return false;\n        }\n        return true;\n    }\n    var ReadableStreamBYOBReader = /** @class */ (function () {\n        function ReadableStreamBYOBReader(stream) {\n            if (!IsReadableStream(stream)) {\n                throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' +\n                    'byte source');\n            }\n            if (IsReadableByteStreamController(stream._readableStreamController) === false) {\n                throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' +\n                    'source');\n            }\n            if (IsReadableStreamLocked(stream)) {\n                throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n            }\n            ReadableStreamReaderGenericInitialize(this, stream);\n            this._readIntoRequests = new SimpleQueue();\n        }\n        Object.defineProperty(ReadableStreamBYOBReader.prototype, \"closed\", {\n            get: function () {\n                if (!IsReadableStreamBYOBReader(this)) {\n                    return promiseRejectedWith(byobReaderBrandCheckException('closed'));\n                }\n                return this._closedPromise;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStreamBYOBReader.prototype.cancel = function (reason) {\n            if (!IsReadableStreamBYOBReader(this)) {\n                return promiseRejectedWith(byobReaderBrandCheckException('cancel'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('cancel'));\n            }\n            return ReadableStreamReaderGenericCancel(this, reason);\n        };\n        ReadableStreamBYOBReader.prototype.read = function (view) {\n            if (!IsReadableStreamBYOBReader(this)) {\n                return promiseRejectedWith(byobReaderBrandCheckException('read'));\n            }\n            if (this._ownerReadableStream === undefined) {\n                return promiseRejectedWith(readerLockException('read from'));\n            }\n            if (!ArrayBuffer.isView(view)) {\n                return promiseRejectedWith(new TypeError('view must be an array buffer view'));\n            }\n            if (IsDetachedBuffer(view.buffer) === true) ;\n            if (view.byteLength === 0) {\n                return promiseRejectedWith(new TypeError('view must have non-zero byteLength'));\n            }\n            return ReadableStreamBYOBReaderRead(this, view);\n        };\n        ReadableStreamBYOBReader.prototype.releaseLock = function () {\n            if (!IsReadableStreamBYOBReader(this)) {\n                throw byobReaderBrandCheckException('releaseLock');\n            }\n            if (this._ownerReadableStream === undefined) {\n                return;\n            }\n            if (this._readIntoRequests.length > 0) {\n                throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n            }\n            ReadableStreamReaderGenericRelease(this);\n        };\n        return ReadableStreamBYOBReader;\n    }());\n    // Abstract operations for the readers.\n    function IsReadableStreamBYOBReader(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {\n            return false;\n        }\n        return true;\n    }\n    function ReadableStreamBYOBReaderRead(reader, view) {\n        var stream = reader._ownerReadableStream;\n        stream._disturbed = true;\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        // Controllers must implement this.\n        return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);\n    }\n    // Helper functions for the ReadableStreamBYOBReader.\n    function byobReaderBrandCheckException(name) {\n        return new TypeError(\"ReadableStreamBYOBReader.prototype.\" + name + \" can only be used on a ReadableStreamBYOBReader\");\n    }\n\n    var ReadableStream = /** @class */ (function () {\n        function ReadableStream(underlyingSource, strategy) {\n            if (underlyingSource === void 0) { underlyingSource = {}; }\n            if (strategy === void 0) { strategy = {}; }\n            InitializeReadableStream(this);\n            var size = strategy.size;\n            var highWaterMark = strategy.highWaterMark;\n            var type = underlyingSource.type;\n            var typeString = String(type);\n            if (typeString === 'bytes') {\n                if (size !== undefined) {\n                    throw new RangeError('The strategy for a byte stream cannot have a size function');\n                }\n                if (highWaterMark === undefined) {\n                    highWaterMark = 0;\n                }\n                highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n                SetUpReadableByteStreamControllerFromUnderlyingSource(this, underlyingSource, highWaterMark);\n            }\n            else if (type === undefined) {\n                var sizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(size);\n                if (highWaterMark === undefined) {\n                    highWaterMark = 1;\n                }\n                highWaterMark = ValidateAndNormalizeHighWaterMark(highWaterMark);\n                SetUpReadableStreamDefaultControllerFromUnderlyingSource(this, underlyingSource, highWaterMark, sizeAlgorithm);\n            }\n            else {\n                throw new RangeError('Invalid type is specified');\n            }\n        }\n        Object.defineProperty(ReadableStream.prototype, \"locked\", {\n            get: function () {\n                if (IsReadableStream(this) === false) {\n                    throw streamBrandCheckException$1('locked');\n                }\n                return IsReadableStreamLocked(this);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        ReadableStream.prototype.cancel = function (reason) {\n            if (IsReadableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException$1('cancel'));\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('Cannot cancel a stream that already has a reader'));\n            }\n            return ReadableStreamCancel(this, reason);\n        };\n        ReadableStream.prototype.getReader = function (_a) {\n            var mode = (_a === void 0 ? {} : _a).mode;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('getReader');\n            }\n            if (mode === undefined) {\n                return AcquireReadableStreamDefaultReader(this, true);\n            }\n            mode = String(mode);\n            if (mode === 'byob') {\n                return AcquireReadableStreamBYOBReader(this, true);\n            }\n            throw new RangeError('Invalid mode is specified');\n        };\n        ReadableStream.prototype.pipeThrough = function (_a, _b) {\n            var writable = _a.writable, readable = _a.readable;\n            var _c = _b === void 0 ? {} : _b, preventClose = _c.preventClose, preventAbort = _c.preventAbort, preventCancel = _c.preventCancel, signal = _c.signal;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('pipeThrough');\n            }\n            if (IsWritableStream(writable) === false) {\n                throw new TypeError('writable argument to pipeThrough must be a WritableStream');\n            }\n            if (IsReadableStream(readable) === false) {\n                throw new TypeError('readable argument to pipeThrough must be a ReadableStream');\n            }\n            preventClose = Boolean(preventClose);\n            preventAbort = Boolean(preventAbort);\n            preventCancel = Boolean(preventCancel);\n            if (signal !== undefined && !isAbortSignal(signal)) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough\\'s signal option must be an AbortSignal');\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream');\n            }\n            if (IsWritableStreamLocked(writable) === true) {\n                throw new TypeError('ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream');\n            }\n            var promise = ReadableStreamPipeTo(this, writable, preventClose, preventAbort, preventCancel, signal);\n            setPromiseIsHandledToTrue(promise);\n            return readable;\n        };\n        ReadableStream.prototype.pipeTo = function (dest, _a) {\n            var _b = _a === void 0 ? {} : _a, preventClose = _b.preventClose, preventAbort = _b.preventAbort, preventCancel = _b.preventCancel, signal = _b.signal;\n            if (IsReadableStream(this) === false) {\n                return promiseRejectedWith(streamBrandCheckException$1('pipeTo'));\n            }\n            if (IsWritableStream(dest) === false) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\\'s first argument must be a WritableStream'));\n            }\n            preventClose = Boolean(preventClose);\n            preventAbort = Boolean(preventAbort);\n            preventCancel = Boolean(preventCancel);\n            if (signal !== undefined && !isAbortSignal(signal)) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo\\'s signal option must be an AbortSignal'));\n            }\n            if (IsReadableStreamLocked(this) === true) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));\n            }\n            if (IsWritableStreamLocked(dest) === true) {\n                return promiseRejectedWith(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));\n            }\n            return ReadableStreamPipeTo(this, dest, preventClose, preventAbort, preventCancel, signal);\n        };\n        ReadableStream.prototype.tee = function () {\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('tee');\n            }\n            var branches = ReadableStreamTee(this);\n            return createArrayFromList(branches);\n        };\n        ReadableStream.prototype.getIterator = function (_a) {\n            var _b = (_a === void 0 ? {} : _a).preventCancel, preventCancel = _b === void 0 ? false : _b;\n            if (IsReadableStream(this) === false) {\n                throw streamBrandCheckException$1('getIterator');\n            }\n            return AcquireReadableStreamAsyncIterator(this, preventCancel);\n        };\n        return ReadableStream;\n    }());\n    if (typeof SymbolPolyfill.asyncIterator === 'symbol') {\n        Object.defineProperty(ReadableStream.prototype, SymbolPolyfill.asyncIterator, {\n            value: ReadableStream.prototype.getIterator,\n            enumerable: false,\n            writable: true,\n            configurable: true\n        });\n    }\n    // Abstract operations for the ReadableStream.\n    // Throws if and only if startAlgorithm throws.\n    function CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm) {\n        if (highWaterMark === void 0) { highWaterMark = 1; }\n        if (sizeAlgorithm === void 0) { sizeAlgorithm = function () { return 1; }; }\n        var stream = Object.create(ReadableStream.prototype);\n        InitializeReadableStream(stream);\n        var controller = Object.create(ReadableStreamDefaultController.prototype);\n        SetUpReadableStreamDefaultController(stream, controller, startAlgorithm, pullAlgorithm, cancelAlgorithm, highWaterMark, sizeAlgorithm);\n        return stream;\n    }\n    function InitializeReadableStream(stream) {\n        stream._state = 'readable';\n        stream._reader = undefined;\n        stream._storedError = undefined;\n        stream._disturbed = false;\n    }\n    function IsReadableStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    function IsReadableStreamLocked(stream) {\n        if (stream._reader === undefined) {\n            return false;\n        }\n        return true;\n    }\n    // ReadableStream API exposed for controllers.\n    function ReadableStreamCancel(stream, reason) {\n        stream._disturbed = true;\n        if (stream._state === 'closed') {\n            return promiseResolvedWith(undefined);\n        }\n        if (stream._state === 'errored') {\n            return promiseRejectedWith(stream._storedError);\n        }\n        ReadableStreamClose(stream);\n        var sourceCancelPromise = stream._readableStreamController[CancelSteps](reason);\n        return transformPromiseWith(sourceCancelPromise, noop);\n    }\n    function ReadableStreamClose(stream) {\n        stream._state = 'closed';\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return;\n        }\n        if (IsReadableStreamDefaultReader(reader)) {\n            reader._readRequests.forEach(function (readRequest) {\n                readRequest._resolve(ReadableStreamCreateReadResult(undefined, true, reader._forAuthorCode));\n            });\n            reader._readRequests = new SimpleQueue();\n        }\n        defaultReaderClosedPromiseResolve(reader);\n    }\n    function ReadableStreamError(stream, e) {\n        stream._state = 'errored';\n        stream._storedError = e;\n        var reader = stream._reader;\n        if (reader === undefined) {\n            return;\n        }\n        if (IsReadableStreamDefaultReader(reader)) {\n            reader._readRequests.forEach(function (readRequest) {\n                readRequest._reject(e);\n            });\n            reader._readRequests = new SimpleQueue();\n        }\n        else {\n            reader._readIntoRequests.forEach(function (readIntoRequest) {\n                readIntoRequest._reject(e);\n            });\n            reader._readIntoRequests = new SimpleQueue();\n        }\n        defaultReaderClosedPromiseReject(reader, e);\n    }\n    // Helper functions for the ReadableStream.\n    function streamBrandCheckException$1(name) {\n        return new TypeError(\"ReadableStream.prototype.\" + name + \" can only be used on a ReadableStream\");\n    }\n\n    var ByteLengthQueuingStrategy = /** @class */ (function () {\n        function ByteLengthQueuingStrategy(_a) {\n            var highWaterMark = _a.highWaterMark;\n            this.highWaterMark = highWaterMark;\n        }\n        ByteLengthQueuingStrategy.prototype.size = function (chunk) {\n            return chunk.byteLength;\n        };\n        return ByteLengthQueuingStrategy;\n    }());\n\n    var CountQueuingStrategy = /** @class */ (function () {\n        function CountQueuingStrategy(_a) {\n            var highWaterMark = _a.highWaterMark;\n            this.highWaterMark = highWaterMark;\n        }\n        CountQueuingStrategy.prototype.size = function () {\n            return 1;\n        };\n        return CountQueuingStrategy;\n    }());\n\n    // Class TransformStream\n    var TransformStream = /** @class */ (function () {\n        function TransformStream(transformer, writableStrategy, readableStrategy) {\n            if (transformer === void 0) { transformer = {}; }\n            if (writableStrategy === void 0) { writableStrategy = {}; }\n            if (readableStrategy === void 0) { readableStrategy = {}; }\n            var writableSizeFunction = writableStrategy.size;\n            var writableHighWaterMark = writableStrategy.highWaterMark;\n            var readableSizeFunction = readableStrategy.size;\n            var readableHighWaterMark = readableStrategy.highWaterMark;\n            var writableType = transformer.writableType;\n            if (writableType !== undefined) {\n                throw new RangeError('Invalid writable type specified');\n            }\n            var writableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(writableSizeFunction);\n            if (writableHighWaterMark === undefined) {\n                writableHighWaterMark = 1;\n            }\n            writableHighWaterMark = ValidateAndNormalizeHighWaterMark(writableHighWaterMark);\n            var readableType = transformer.readableType;\n            if (readableType !== undefined) {\n                throw new RangeError('Invalid readable type specified');\n            }\n            var readableSizeAlgorithm = MakeSizeAlgorithmFromSizeFunction(readableSizeFunction);\n            if (readableHighWaterMark === undefined) {\n                readableHighWaterMark = 0;\n            }\n            readableHighWaterMark = ValidateAndNormalizeHighWaterMark(readableHighWaterMark);\n            var startPromise_resolve;\n            var startPromise = newPromise(function (resolve) {\n                startPromise_resolve = resolve;\n            });\n            InitializeTransformStream(this, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm);\n            SetUpTransformStreamDefaultControllerFromTransformer(this, transformer);\n            var startResult = InvokeOrNoop(transformer, 'start', [this._transformStreamController]);\n            startPromise_resolve(startResult);\n        }\n        Object.defineProperty(TransformStream.prototype, \"readable\", {\n            get: function () {\n                if (IsTransformStream(this) === false) {\n                    throw streamBrandCheckException$2('readable');\n                }\n                return this._readable;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        Object.defineProperty(TransformStream.prototype, \"writable\", {\n            get: function () {\n                if (IsTransformStream(this) === false) {\n                    throw streamBrandCheckException$2('writable');\n                }\n                return this._writable;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        return TransformStream;\n    }());\n    function InitializeTransformStream(stream, startPromise, writableHighWaterMark, writableSizeAlgorithm, readableHighWaterMark, readableSizeAlgorithm) {\n        function startAlgorithm() {\n            return startPromise;\n        }\n        function writeAlgorithm(chunk) {\n            return TransformStreamDefaultSinkWriteAlgorithm(stream, chunk);\n        }\n        function abortAlgorithm(reason) {\n            return TransformStreamDefaultSinkAbortAlgorithm(stream, reason);\n        }\n        function closeAlgorithm() {\n            return TransformStreamDefaultSinkCloseAlgorithm(stream);\n        }\n        stream._writable = CreateWritableStream(startAlgorithm, writeAlgorithm, closeAlgorithm, abortAlgorithm, writableHighWaterMark, writableSizeAlgorithm);\n        function pullAlgorithm() {\n            return TransformStreamDefaultSourcePullAlgorithm(stream);\n        }\n        function cancelAlgorithm(reason) {\n            TransformStreamErrorWritableAndUnblockWrite(stream, reason);\n            return promiseResolvedWith(undefined);\n        }\n        stream._readable = CreateReadableStream(startAlgorithm, pullAlgorithm, cancelAlgorithm, readableHighWaterMark, readableSizeAlgorithm);\n        // The [[backpressure]] slot is set to undefined so that it can be initialised by TransformStreamSetBackpressure.\n        stream._backpressure = undefined;\n        stream._backpressureChangePromise = undefined;\n        stream._backpressureChangePromise_resolve = undefined;\n        TransformStreamSetBackpressure(stream, true);\n        // Used by IsWritableStream() which is called by SetUpTransformStreamDefaultController().\n        stream._transformStreamController = undefined;\n    }\n    function IsTransformStream(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {\n            return false;\n        }\n        return true;\n    }\n    // This is a no-op if both sides are already errored.\n    function TransformStreamError(stream, e) {\n        ReadableStreamDefaultControllerError(stream._readable._readableStreamController, e);\n        TransformStreamErrorWritableAndUnblockWrite(stream, e);\n    }\n    function TransformStreamErrorWritableAndUnblockWrite(stream, e) {\n        TransformStreamDefaultControllerClearAlgorithms(stream._transformStreamController);\n        WritableStreamDefaultControllerErrorIfNeeded(stream._writable._writableStreamController, e);\n        if (stream._backpressure === true) {\n            // Pretend that pull() was called to permit any pending write() calls to complete. TransformStreamSetBackpressure()\n            // cannot be called from enqueue() or pull() once the ReadableStream is errored, so this will will be the final time\n            // _backpressure is set.\n            TransformStreamSetBackpressure(stream, false);\n        }\n    }\n    function TransformStreamSetBackpressure(stream, backpressure) {\n        // Passes also when called during construction.\n        if (stream._backpressureChangePromise !== undefined) {\n            stream._backpressureChangePromise_resolve();\n        }\n        stream._backpressureChangePromise = newPromise(function (resolve) {\n            stream._backpressureChangePromise_resolve = resolve;\n        });\n        stream._backpressure = backpressure;\n    }\n    var TransformStreamDefaultController = /** @class */ (function () {\n        /** @internal */\n        function TransformStreamDefaultController() {\n            throw new TypeError('TransformStreamDefaultController instances cannot be created directly');\n        }\n        Object.defineProperty(TransformStreamDefaultController.prototype, \"desiredSize\", {\n            get: function () {\n                if (IsTransformStreamDefaultController(this) === false) {\n                    throw defaultControllerBrandCheckException$1('desiredSize');\n                }\n                var readableController = this._controlledTransformStream._readable._readableStreamController;\n                return ReadableStreamDefaultControllerGetDesiredSize(readableController);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        TransformStreamDefaultController.prototype.enqueue = function (chunk) {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('enqueue');\n            }\n            TransformStreamDefaultControllerEnqueue(this, chunk);\n        };\n        TransformStreamDefaultController.prototype.error = function (reason) {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('error');\n            }\n            TransformStreamDefaultControllerError(this, reason);\n        };\n        TransformStreamDefaultController.prototype.terminate = function () {\n            if (IsTransformStreamDefaultController(this) === false) {\n                throw defaultControllerBrandCheckException$1('terminate');\n            }\n            TransformStreamDefaultControllerTerminate(this);\n        };\n        return TransformStreamDefaultController;\n    }());\n    // Transform Stream Default Controller Abstract Operations\n    function IsTransformStreamDefaultController(x) {\n        if (!typeIsObject(x)) {\n            return false;\n        }\n        if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {\n            return false;\n        }\n        return true;\n    }\n    function SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm) {\n        controller._controlledTransformStream = stream;\n        stream._transformStreamController = controller;\n        controller._transformAlgorithm = transformAlgorithm;\n        controller._flushAlgorithm = flushAlgorithm;\n    }\n    function SetUpTransformStreamDefaultControllerFromTransformer(stream, transformer) {\n        var controller = Object.create(TransformStreamDefaultController.prototype);\n        var transformAlgorithm = function (chunk) {\n            try {\n                TransformStreamDefaultControllerEnqueue(controller, chunk);\n                return promiseResolvedWith(undefined);\n            }\n            catch (transformResultE) {\n                return promiseRejectedWith(transformResultE);\n            }\n        };\n        var transformMethod = transformer.transform;\n        if (transformMethod !== undefined) {\n            if (typeof transformMethod !== 'function') {\n                throw new TypeError('transform is not a method');\n            }\n            transformAlgorithm = function (chunk) { return PromiseCall(transformMethod, transformer, [chunk, controller]); };\n        }\n        var flushAlgorithm = CreateAlgorithmFromUnderlyingMethod(transformer, 'flush', 0, [controller]);\n        SetUpTransformStreamDefaultController(stream, controller, transformAlgorithm, flushAlgorithm);\n    }\n    function TransformStreamDefaultControllerClearAlgorithms(controller) {\n        controller._transformAlgorithm = undefined;\n        controller._flushAlgorithm = undefined;\n    }\n    function TransformStreamDefaultControllerEnqueue(controller, chunk) {\n        var stream = controller._controlledTransformStream;\n        var readableController = stream._readable._readableStreamController;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === false) {\n            throw new TypeError('Readable side is not in a state that permits enqueue');\n        }\n        // We throttle transform invocations based on the backpressure of the ReadableStream, but we still\n        // accept TransformStreamDefaultControllerEnqueue() calls.\n        try {\n            ReadableStreamDefaultControllerEnqueue(readableController, chunk);\n        }\n        catch (e) {\n            // This happens when readableStrategy.size() throws.\n            TransformStreamErrorWritableAndUnblockWrite(stream, e);\n            throw stream._readable._storedError;\n        }\n        var backpressure = ReadableStreamDefaultControllerHasBackpressure(readableController);\n        if (backpressure !== stream._backpressure) {\n            TransformStreamSetBackpressure(stream, true);\n        }\n    }\n    function TransformStreamDefaultControllerError(controller, e) {\n        TransformStreamError(controller._controlledTransformStream, e);\n    }\n    function TransformStreamDefaultControllerPerformTransform(controller, chunk) {\n        var transformPromise = controller._transformAlgorithm(chunk);\n        return transformPromiseWith(transformPromise, undefined, function (r) {\n            TransformStreamError(controller._controlledTransformStream, r);\n            throw r;\n        });\n    }\n    function TransformStreamDefaultControllerTerminate(controller) {\n        var stream = controller._controlledTransformStream;\n        var readableController = stream._readable._readableStreamController;\n        if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {\n            ReadableStreamDefaultControllerClose(readableController);\n        }\n        var error = new TypeError('TransformStream terminated');\n        TransformStreamErrorWritableAndUnblockWrite(stream, error);\n    }\n    // TransformStreamDefaultSink Algorithms\n    function TransformStreamDefaultSinkWriteAlgorithm(stream, chunk) {\n        var controller = stream._transformStreamController;\n        if (stream._backpressure === true) {\n            var backpressureChangePromise = stream._backpressureChangePromise;\n            return transformPromiseWith(backpressureChangePromise, function () {\n                var writable = stream._writable;\n                var state = writable._state;\n                if (state === 'erroring') {\n                    throw writable._storedError;\n                }\n                return TransformStreamDefaultControllerPerformTransform(controller, chunk);\n            });\n        }\n        return TransformStreamDefaultControllerPerformTransform(controller, chunk);\n    }\n    function TransformStreamDefaultSinkAbortAlgorithm(stream, reason) {\n        // abort() is not called synchronously, so it is possible for abort() to be called when the stream is already\n        // errored.\n        TransformStreamError(stream, reason);\n        return promiseResolvedWith(undefined);\n    }\n    function TransformStreamDefaultSinkCloseAlgorithm(stream) {\n        // stream._readable cannot change after construction, so caching it across a call to user code is safe.\n        var readable = stream._readable;\n        var controller = stream._transformStreamController;\n        var flushPromise = controller._flushAlgorithm();\n        TransformStreamDefaultControllerClearAlgorithms(controller);\n        // Return a promise that is fulfilled with undefined on success.\n        return transformPromiseWith(flushPromise, function () {\n            if (readable._state === 'errored') {\n                throw readable._storedError;\n            }\n            var readableController = readable._readableStreamController;\n            if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController) === true) {\n                ReadableStreamDefaultControllerClose(readableController);\n            }\n        }, function (r) {\n            TransformStreamError(stream, r);\n            throw readable._storedError;\n        });\n    }\n    // TransformStreamDefaultSource Algorithms\n    function TransformStreamDefaultSourcePullAlgorithm(stream) {\n        // Invariant. Enforced by the promises returned by start() and pull().\n        TransformStreamSetBackpressure(stream, false);\n        // Prevent the next pull() call until there is backpressure.\n        return stream._backpressureChangePromise;\n    }\n    // Helper functions for the TransformStreamDefaultController.\n    function defaultControllerBrandCheckException$1(name) {\n        return new TypeError(\"TransformStreamDefaultController.prototype.\" + name + \" can only be used on a TransformStreamDefaultController\");\n    }\n    // Helper functions for the TransformStream.\n    function streamBrandCheckException$2(name) {\n        return new TypeError(\"TransformStream.prototype.\" + name + \" can only be used on a TransformStream\");\n    }\n\n    exports.ByteLengthQueuingStrategy = ByteLengthQueuingStrategy;\n    exports.CountQueuingStrategy = CountQueuingStrategy;\n    exports.ReadableStream = ReadableStream;\n    exports.TransformStream = TransformStream;\n    exports.WritableStream = WritableStream;\n\n    Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n//# sourceMappingURL=ponyfill.js.map\n","require('../../modules/es.map');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Map;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Map` constructor\n// https://tc39.github.io/ecma262/#sec-map-objects\nmodule.exports = collection('Map', function (init) {\n  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar redefine = require('../internals/redefine');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar iterate = require('../internals/iterate');\nvar anInstance = require('../internals/an-instance');\nvar isObject = require('../internals/is-object');\nvar fails = require('../internals/fails');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar inheritIfRequired = require('../internals/inherit-if-required');\n\nmodule.exports = function (CONSTRUCTOR_NAME, wrapper, common) {\n  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;\n  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;\n  var ADDER = IS_MAP ? 'set' : 'add';\n  var NativeConstructor = global[CONSTRUCTOR_NAME];\n  var NativePrototype = NativeConstructor && NativeConstructor.prototype;\n  var Constructor = NativeConstructor;\n  var exported = {};\n\n  var fixMethod = function (KEY) {\n    var nativeMethod = NativePrototype[KEY];\n    redefine(NativePrototype, KEY,\n      KEY == 'add' ? function add(value) {\n        nativeMethod.call(this, value === 0 ? 0 : value);\n        return this;\n      } : KEY == 'delete' ? function (key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'get' ? function get(key) {\n        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'has' ? function has(key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : function set(key, value) {\n        nativeMethod.call(this, key === 0 ? 0 : key, value);\n        return this;\n      }\n    );\n  };\n\n  // eslint-disable-next-line max-len\n  if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {\n    new NativeConstructor().entries().next();\n  })))) {\n    // create collection constructor\n    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);\n    InternalMetadataModule.REQUIRED = true;\n  } else if (isForced(CONSTRUCTOR_NAME, true)) {\n    var instance = new Constructor();\n    // early implementations not supports chaining\n    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n    // most early implementations doesn't supports iterables, most modern - not close it correctly\n    // eslint-disable-next-line no-new\n    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });\n    // for early implementations -0 and +0 not the same\n    var BUGGY_ZERO = !IS_WEAK && fails(function () {\n      // V8 ~ Chromium 42- fails only with 5+ elements\n      var $instance = new NativeConstructor();\n      var index = 5;\n      while (index--) $instance[ADDER](index, index);\n      return !$instance.has(-0);\n    });\n\n    if (!ACCEPT_ITERABLES) {\n      Constructor = wrapper(function (dummy, iterable) {\n        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);\n        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);\n        if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n        return that;\n      });\n      Constructor.prototype = NativePrototype;\n      NativePrototype.constructor = Constructor;\n    }\n\n    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n      fixMethod('delete');\n      fixMethod('has');\n      IS_MAP && fixMethod('get');\n    }\n\n    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n\n    // weak collections should not contains .clear method\n    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;\n  }\n\n  exported[CONSTRUCTOR_NAME] = Constructor;\n  $({ global: true, forced: Constructor != NativeConstructor }, exported);\n\n  setToStringTag(Constructor, CONSTRUCTOR_NAME);\n\n  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);\n\n  return Constructor;\n};\n","var hiddenKeys = require('../internals/hidden-keys');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar defineProperty = require('../internals/object-define-property').f;\nvar uid = require('../internals/uid');\nvar FREEZING = require('../internals/freezing');\n\nvar METADATA = uid('meta');\nvar id = 0;\n\nvar isExtensible = Object.isExtensible || function () {\n  return true;\n};\n\nvar setMetadata = function (it) {\n  defineProperty(it, METADATA, { value: {\n    objectID: 'O' + ++id, // object ID\n    weakData: {}          // weak collections IDs\n  } });\n};\n\nvar fastKey = function (it, create) {\n  // return a primitive with prefix\n  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return 'F';\n    // not necessary to add metadata\n    if (!create) return 'E';\n    // add missing metadata\n    setMetadata(it);\n  // return object ID\n  } return it[METADATA].objectID;\n};\n\nvar getWeakData = function (it, create) {\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return true;\n    // not necessary to add metadata\n    if (!create) return false;\n    // add missing metadata\n    setMetadata(it);\n  // return the store of weak collections IDs\n  } return it[METADATA].weakData;\n};\n\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n  if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);\n  return it;\n};\n\nvar meta = module.exports = {\n  REQUIRED: false,\n  fastKey: fastKey,\n  getWeakData: getWeakData,\n  onFreeze: onFreeze\n};\n\nhiddenKeys[METADATA] = true;\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  return Object.isExtensible(Object.preventExtensions({}));\n});\n","var isObject = require('../internals/is-object');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\n// makes subclassing work correct for wrapped built-ins\nmodule.exports = function ($this, dummy, Wrapper) {\n  var NewTarget, NewTargetPrototype;\n  if (\n    // it can work only with native `setPrototypeOf`\n    setPrototypeOf &&\n    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this\n    typeof (NewTarget = dummy.constructor) == 'function' &&\n    NewTarget !== Wrapper &&\n    isObject(NewTargetPrototype = NewTarget.prototype) &&\n    NewTargetPrototype !== Wrapper.prototype\n  ) setPrototypeOf($this, NewTargetPrototype);\n  return $this;\n};\n","'use strict';\nvar defineProperty = require('../internals/object-define-property').f;\nvar create = require('../internals/object-create');\nvar redefineAll = require('../internals/redefine-all');\nvar bind = require('../internals/function-bind-context');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar defineIterator = require('../internals/define-iterator');\nvar setSpecies = require('../internals/set-species');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fastKey = require('../internals/internal-metadata').fastKey;\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        index: create(null),\n        first: undefined,\n        last: undefined,\n        size: 0\n      });\n      if (!DESCRIPTORS) that.size = 0;\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var entry = getEntry(that, key);\n      var previous, index;\n      // change existing entry\n      if (entry) {\n        entry.value = value;\n      // create new entry\n      } else {\n        state.last = entry = {\n          index: index = fastKey(key, true),\n          key: key,\n          value: value,\n          previous: previous = state.last,\n          next: undefined,\n          removed: false\n        };\n        if (!state.first) state.first = entry;\n        if (previous) previous.next = entry;\n        if (DESCRIPTORS) state.size++;\n        else that.size++;\n        // add to index\n        if (index !== 'F') state.index[index] = entry;\n      } return that;\n    };\n\n    var getEntry = function (that, key) {\n      var state = getInternalState(that);\n      // fast case\n      var index = fastKey(key);\n      var entry;\n      if (index !== 'F') return state.index[index];\n      // frozen object case\n      for (entry = state.first; entry; entry = entry.next) {\n        if (entry.key == key) return entry;\n      }\n    };\n\n    redefineAll(C.prototype, {\n      // 23.1.3.1 Map.prototype.clear()\n      // 23.2.3.2 Set.prototype.clear()\n      clear: function clear() {\n        var that = this;\n        var state = getInternalState(that);\n        var data = state.index;\n        var entry = state.first;\n        while (entry) {\n          entry.removed = true;\n          if (entry.previous) entry.previous = entry.previous.next = undefined;\n          delete data[entry.index];\n          entry = entry.next;\n        }\n        state.first = state.last = undefined;\n        if (DESCRIPTORS) state.size = 0;\n        else that.size = 0;\n      },\n      // 23.1.3.3 Map.prototype.delete(key)\n      // 23.2.3.4 Set.prototype.delete(value)\n      'delete': function (key) {\n        var that = this;\n        var state = getInternalState(that);\n        var entry = getEntry(that, key);\n        if (entry) {\n          var next = entry.next;\n          var prev = entry.previous;\n          delete state.index[entry.index];\n          entry.removed = true;\n          if (prev) prev.next = next;\n          if (next) next.previous = prev;\n          if (state.first == entry) state.first = next;\n          if (state.last == entry) state.last = prev;\n          if (DESCRIPTORS) state.size--;\n          else that.size--;\n        } return !!entry;\n      },\n      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)\n      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)\n      forEach: function forEach(callbackfn /* , that = undefined */) {\n        var state = getInternalState(this);\n        var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);\n        var entry;\n        while (entry = entry ? entry.next : state.first) {\n          boundFunction(entry.value, entry.key, this);\n          // revert to the last existing entry\n          while (entry && entry.removed) entry = entry.previous;\n        }\n      },\n      // 23.1.3.7 Map.prototype.has(key)\n      // 23.2.3.7 Set.prototype.has(value)\n      has: function has(key) {\n        return !!getEntry(this, key);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.1.3.6 Map.prototype.get(key)\n      get: function get(key) {\n        var entry = getEntry(this, key);\n        return entry && entry.value;\n      },\n      // 23.1.3.9 Map.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key === 0 ? 0 : key, value);\n      }\n    } : {\n      // 23.2.3.1 Set.prototype.add(value)\n      add: function add(value) {\n        return define(this, value = value === 0 ? 0 : value, value);\n      }\n    });\n    if (DESCRIPTORS) defineProperty(C.prototype, 'size', {\n      get: function () {\n        return getInternalState(this).size;\n      }\n    });\n    return C;\n  },\n  setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {\n    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';\n    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);\n    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);\n    // add .keys, .values, .entries, [@@iterator]\n    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11\n    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {\n      setInternalState(this, {\n        type: ITERATOR_NAME,\n        target: iterated,\n        state: getInternalCollectionState(iterated),\n        kind: kind,\n        last: undefined\n      });\n    }, function () {\n      var state = getInternalIteratorState(this);\n      var kind = state.kind;\n      var entry = state.last;\n      // revert to the last existing entry\n      while (entry && entry.removed) entry = entry.previous;\n      // get next entry\n      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {\n        // or finish the iteration\n        state.target = undefined;\n        return { value: undefined, done: true };\n      }\n      // return step by kind\n      if (kind == 'keys') return { value: entry.key, done: false };\n      if (kind == 'values') return { value: entry.value, done: false };\n      return { value: [entry.key, entry.value], done: false };\n    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);\n\n    // add [@@species], 23.1.2.2, 23.2.2.2\n    setSpecies(CONSTRUCTOR_NAME);\n  }\n};\n","require('../../modules/es.set');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Set;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Set` constructor\n// https://tc39.github.io/ecma262/#sec-set-objects\nmodule.exports = collection('Set', function (init) {\n  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-map');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakMap;\n","'use strict';\nvar global = require('../internals/global');\nvar redefineAll = require('../internals/redefine-all');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\nvar isObject = require('../internals/is-object');\nvar enforceIternalState = require('../internals/internal-state').enforce;\nvar NATIVE_WEAK_MAP = require('../internals/native-weak-map');\n\nvar IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;\nvar isExtensible = Object.isExtensible;\nvar InternalWeakMap;\n\nvar wrapper = function (init) {\n  return function WeakMap() {\n    return init(this, arguments.length ? arguments[0] : undefined);\n  };\n};\n\n// `WeakMap` constructor\n// https://tc39.github.io/ecma262/#sec-weakmap-constructor\nvar $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);\n\n// IE11 WeakMap frozen keys fix\n// We can't use feature detection because it crash some old IE builds\n// https://github.com/zloirock/core-js/issues/485\nif (NATIVE_WEAK_MAP && IS_IE11) {\n  InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);\n  InternalMetadataModule.REQUIRED = true;\n  var WeakMapPrototype = $WeakMap.prototype;\n  var nativeDelete = WeakMapPrototype['delete'];\n  var nativeHas = WeakMapPrototype.has;\n  var nativeGet = WeakMapPrototype.get;\n  var nativeSet = WeakMapPrototype.set;\n  redefineAll(WeakMapPrototype, {\n    'delete': function (key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeDelete.call(this, key) || state.frozen['delete'](key);\n      } return nativeDelete.call(this, key);\n    },\n    has: function has(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) || state.frozen.has(key);\n      } return nativeHas.call(this, key);\n    },\n    get: function get(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);\n      } return nativeGet.call(this, key);\n    },\n    set: function set(key, value) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);\n      } else nativeSet.call(this, key, value);\n      return this;\n    }\n  });\n}\n","'use strict';\nvar redefineAll = require('../internals/redefine-all');\nvar getWeakData = require('../internals/internal-metadata').getWeakData;\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar ArrayIterationModule = require('../internals/array-iteration');\nvar $has = require('../internals/has');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\nvar find = ArrayIterationModule.find;\nvar findIndex = ArrayIterationModule.findIndex;\nvar id = 0;\n\n// fallback for uncaught frozen keys\nvar uncaughtFrozenStore = function (store) {\n  return store.frozen || (store.frozen = new UncaughtFrozenStore());\n};\n\nvar UncaughtFrozenStore = function () {\n  this.entries = [];\n};\n\nvar findUncaughtFrozen = function (store, key) {\n  return find(store.entries, function (it) {\n    return it[0] === key;\n  });\n};\n\nUncaughtFrozenStore.prototype = {\n  get: function (key) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) return entry[1];\n  },\n  has: function (key) {\n    return !!findUncaughtFrozen(this, key);\n  },\n  set: function (key, value) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) entry[1] = value;\n    else this.entries.push([key, value]);\n  },\n  'delete': function (key) {\n    var index = findIndex(this.entries, function (it) {\n      return it[0] === key;\n    });\n    if (~index) this.entries.splice(index, 1);\n    return !!~index;\n  }\n};\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        id: id++,\n        frozen: undefined\n      });\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var data = getWeakData(anObject(key), true);\n      if (data === true) uncaughtFrozenStore(state).set(key, value);\n      else data[state.id] = value;\n      return that;\n    };\n\n    redefineAll(C.prototype, {\n      // 23.3.3.2 WeakMap.prototype.delete(key)\n      // 23.4.3.3 WeakSet.prototype.delete(value)\n      'delete': function (key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state)['delete'](key);\n        return data && $has(data, state.id) && delete data[state.id];\n      },\n      // 23.3.3.4 WeakMap.prototype.has(key)\n      // 23.4.3.4 WeakSet.prototype.has(value)\n      has: function has(key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state).has(key);\n        return data && $has(data, state.id);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.3.3.3 WeakMap.prototype.get(key)\n      get: function get(key) {\n        var state = getInternalState(this);\n        if (isObject(key)) {\n          var data = getWeakData(key);\n          if (data === true) return uncaughtFrozenStore(state).get(key);\n          return data ? data[state.id] : undefined;\n        }\n      },\n      // 23.3.3.5 WeakMap.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key, value);\n      }\n    } : {\n      // 23.4.3.1 WeakSet.prototype.add(value)\n      add: function add(value) {\n        return define(this, value, true);\n      }\n    });\n\n    return C;\n  }\n};\n","var bind = require('../internals/function-bind-context');\nvar IndexedObject = require('../internals/indexed-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar arraySpeciesCreate = require('../internals/array-species-create');\n\nvar push = [].push;\n\n// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation\nvar createMethod = function (TYPE) {\n  var IS_MAP = TYPE == 1;\n  var IS_FILTER = TYPE == 2;\n  var IS_SOME = TYPE == 3;\n  var IS_EVERY = TYPE == 4;\n  var IS_FIND_INDEX = TYPE == 6;\n  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;\n  return function ($this, callbackfn, that, specificCreate) {\n    var O = toObject($this);\n    var self = IndexedObject(O);\n    var boundFunction = bind(callbackfn, that, 3);\n    var length = toLength(self.length);\n    var index = 0;\n    var create = specificCreate || arraySpeciesCreate;\n    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;\n    var value, result;\n    for (;length > index; index++) if (NO_HOLES || index in self) {\n      value = self[index];\n      result = boundFunction(value, index, O);\n      if (TYPE) {\n        if (IS_MAP) target[index] = result; // map\n        else if (result) switch (TYPE) {\n          case 3: return true;              // some\n          case 5: return value;             // find\n          case 6: return index;             // findIndex\n          case 2: push.call(target, value); // filter\n        } else if (IS_EVERY) return false;  // every\n      }\n    }\n    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.forEach` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach\n  forEach: createMethod(0),\n  // `Array.prototype.map` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.map\n  map: createMethod(1),\n  // `Array.prototype.filter` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.filter\n  filter: createMethod(2),\n  // `Array.prototype.some` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.some\n  some: createMethod(3),\n  // `Array.prototype.every` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.every\n  every: createMethod(4),\n  // `Array.prototype.find` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.find\n  find: createMethod(5),\n  // `Array.prototype.findIndex` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex\n  findIndex: createMethod(6)\n};\n","var isObject = require('../internals/is-object');\nvar isArray = require('../internals/is-array');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `ArraySpeciesCreate` abstract operation\n// https://tc39.github.io/ecma262/#sec-arrayspeciescreate\nmodule.exports = function (originalArray, length) {\n  var C;\n  if (isArray(originalArray)) {\n    C = originalArray.constructor;\n    // cross-realm fallback\n    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;\n    else if (isObject(C)) {\n      C = C[SPECIES];\n      if (C === null) C = undefined;\n    }\n  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);\n};\n","var classof = require('../internals/classof-raw');\n\n// `IsArray` abstract operation\n// https://tc39.github.io/ecma262/#sec-isarray\nmodule.exports = Array.isArray || function isArray(arg) {\n  return classof(arg) == 'Array';\n};\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-set');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakSet;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\n\n// `WeakSet` constructor\n// https://tc39.github.io/ecma262/#sec-weakset-constructor\ncollection('WeakSet', function (init) {\n  return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionWeak);\n","require('../../modules/es.string.code-point-at');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'codePointAt');\n","'use strict';\nvar $ = require('../internals/export');\nvar codeAt = require('../internals/string-multibyte').codeAt;\n\n// `String.prototype.codePointAt` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n$({ target: 'String', proto: true }, {\n  codePointAt: function codePointAt(pos) {\n    return codeAt(this, pos);\n  }\n});\n","require('../../modules/es.string.from-code-point');\nvar path = require('../../internals/path');\n\nmodule.exports = path.String.fromCodePoint;\n","var $ = require('../internals/export');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\nvar fromCharCode = String.fromCharCode;\nvar nativeFromCodePoint = String.fromCodePoint;\n\n// length should be 1, old FF problem\nvar INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;\n\n// `String.fromCodePoint` method\n// https://tc39.github.io/ecma262/#sec-string.fromcodepoint\n$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {\n  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars\n    var elements = [];\n    var length = arguments.length;\n    var i = 0;\n    var code;\n    while (length > i) {\n      code = +arguments[i++];\n      if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');\n      elements.push(code < 0x10000\n        ? fromCharCode(code)\n        : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)\n      );\n    } return elements.join('');\n  }\n});\n","require('../../modules/es.array.concat');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.symbol');\nrequire('../../modules/es.symbol.async-iterator');\nrequire('../../modules/es.symbol.description');\nrequire('../../modules/es.symbol.has-instance');\nrequire('../../modules/es.symbol.is-concat-spreadable');\nrequire('../../modules/es.symbol.iterator');\nrequire('../../modules/es.symbol.match');\nrequire('../../modules/es.symbol.match-all');\nrequire('../../modules/es.symbol.replace');\nrequire('../../modules/es.symbol.search');\nrequire('../../modules/es.symbol.species');\nrequire('../../modules/es.symbol.split');\nrequire('../../modules/es.symbol.to-primitive');\nrequire('../../modules/es.symbol.to-string-tag');\nrequire('../../modules/es.symbol.unscopables');\nrequire('../../modules/es.math.to-string-tag');\nrequire('../../modules/es.json.to-string-tag');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Symbol;\n","'use strict';\nvar $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar arraySpeciesCreate = require('../internals/array-species-create');\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');\nvar MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;\nvar MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';\n\n// We can't use this feature detection in V8 since it causes\n// deoptimization and serious performance degradation\n// https://github.com/zloirock/core-js/issues/679\nvar IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {\n  var array = [];\n  array[IS_CONCAT_SPREADABLE] = false;\n  return array.concat()[0] !== array;\n});\n\nvar SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');\n\nvar isConcatSpreadable = function (O) {\n  if (!isObject(O)) return false;\n  var spreadable = O[IS_CONCAT_SPREADABLE];\n  return spreadable !== undefined ? !!spreadable : isArray(O);\n};\n\nvar FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;\n\n// `Array.prototype.concat` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.concat\n// with adding support of @@isConcatSpreadable and @@species\n$({ target: 'Array', proto: true, forced: FORCED }, {\n  concat: function concat(arg) { // eslint-disable-line no-unused-vars\n    var O = toObject(this);\n    var A = arraySpeciesCreate(O, 0);\n    var n = 0;\n    var i, k, length, len, E;\n    for (i = -1, length = arguments.length; i < length; i++) {\n      E = i === -1 ? O : arguments[i];\n      if (isConcatSpreadable(E)) {\n        len = toLength(E.length);\n        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);\n      } else {\n        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        createProperty(A, n++, E);\n      }\n    }\n    A.length = n;\n    return A;\n  }\n});\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (METHOD_NAME) {\n  // We can't use this feature detection in V8 since it causes\n  // deoptimization and serious performance degradation\n  // https://github.com/zloirock/core-js/issues/677\n  return V8_VERSION >= 51 || !fails(function () {\n    var array = [];\n    var constructor = array.constructor = {};\n    constructor[SPECIES] = function () {\n      return { foo: 1 };\n    };\n    return array[METHOD_NAME](Boolean).foo !== 1;\n  });\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar getBuiltIn = require('../internals/get-built-in');\nvar IS_PURE = require('../internals/is-pure');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar anObject = require('../internals/an-object');\nvar toObject = require('../internals/to-object');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar nativeObjectCreate = require('../internals/object-create');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertyNamesExternal = require('../internals/object-get-own-property-names-external');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar shared = require('../internals/shared');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar uid = require('../internals/uid');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineWellKnownSymbol = require('../internals/define-well-known-symbol');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar InternalStateModule = require('../internals/internal-state');\nvar $forEach = require('../internals/array-iteration').forEach;\n\nvar HIDDEN = sharedKey('hidden');\nvar SYMBOL = 'Symbol';\nvar PROTOTYPE = 'prototype';\nvar TO_PRIMITIVE = wellKnownSymbol('toPrimitive');\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(SYMBOL);\nvar ObjectPrototype = Object[PROTOTYPE];\nvar $Symbol = global.Symbol;\nvar $stringify = getBuiltIn('JSON', 'stringify');\nvar nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\nvar nativeDefineProperty = definePropertyModule.f;\nvar nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;\nvar nativePropertyIsEnumerable = propertyIsEnumerableModule.f;\nvar AllSymbols = shared('symbols');\nvar ObjectPrototypeSymbols = shared('op-symbols');\nvar StringToSymbolRegistry = shared('string-to-symbol-registry');\nvar SymbolToStringRegistry = shared('symbol-to-string-registry');\nvar WellKnownSymbolsStore = shared('wks');\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDescriptor = DESCRIPTORS && fails(function () {\n  return nativeObjectCreate(nativeDefineProperty({}, 'a', {\n    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }\n  })).a != 7;\n}) ? function (O, P, Attributes) {\n  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);\n  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];\n  nativeDefineProperty(O, P, Attributes);\n  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {\n    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);\n  }\n} : nativeDefineProperty;\n\nvar wrap = function (tag, description) {\n  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);\n  setInternalState(symbol, {\n    type: SYMBOL,\n    tag: tag,\n    description: description\n  });\n  if (!DESCRIPTORS) symbol.description = description;\n  return symbol;\n};\n\nvar isSymbol = USE_SYMBOL_AS_UID ? function (it) {\n  return typeof it == 'symbol';\n} : function (it) {\n  return Object(it) instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(O, P, Attributes) {\n  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);\n  anObject(O);\n  var key = toPrimitive(P, true);\n  anObject(Attributes);\n  if (has(AllSymbols, key)) {\n    if (!Attributes.enumerable) {\n      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));\n      O[HIDDEN][key] = true;\n    } else {\n      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;\n      Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });\n    } return setSymbolDescriptor(O, key, Attributes);\n  } return nativeDefineProperty(O, key, Attributes);\n};\n\nvar $defineProperties = function defineProperties(O, Properties) {\n  anObject(O);\n  var properties = toIndexedObject(Properties);\n  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));\n  $forEach(keys, function (key) {\n    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);\n  });\n  return O;\n};\n\nvar $create = function create(O, Properties) {\n  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);\n};\n\nvar $propertyIsEnumerable = function propertyIsEnumerable(V) {\n  var P = toPrimitive(V, true);\n  var enumerable = nativePropertyIsEnumerable.call(this, P);\n  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;\n  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;\n};\n\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {\n  var it = toIndexedObject(O);\n  var key = toPrimitive(P, true);\n  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;\n  var descriptor = nativeGetOwnPropertyDescriptor(it, key);\n  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {\n    descriptor.enumerable = true;\n  }\n  return descriptor;\n};\n\nvar $getOwnPropertyNames = function getOwnPropertyNames(O) {\n  var names = nativeGetOwnPropertyNames(toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);\n  });\n  return result;\n};\n\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(O) {\n  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;\n  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {\n      result.push(AllSymbols[key]);\n    }\n  });\n  return result;\n};\n\n// `Symbol` constructor\n// https://tc39.github.io/ecma262/#sec-symbol-constructor\nif (!NATIVE_SYMBOL) {\n  $Symbol = function Symbol() {\n    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');\n    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var tag = uid(description);\n    var setter = function (value) {\n      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);\n      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));\n    };\n    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });\n    return wrap(tag, description);\n  };\n\n  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n    return getInternalState(this).tag;\n  });\n\n  redefine($Symbol, 'withoutSetter', function (description) {\n    return wrap(uid(description), description);\n  });\n\n  propertyIsEnumerableModule.f = $propertyIsEnumerable;\n  definePropertyModule.f = $defineProperty;\n  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;\n  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;\n  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;\n\n  wrappedWellKnownSymbolModule.f = function (name) {\n    return wrap(wellKnownSymbol(name), name);\n  };\n\n  if (DESCRIPTORS) {\n    // https://github.com/tc39/proposal-Symbol-description\n    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {\n      configurable: true,\n      get: function description() {\n        return getInternalState(this).description;\n      }\n    });\n    if (!IS_PURE) {\n      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });\n    }\n  }\n}\n\n$({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, {\n  Symbol: $Symbol\n});\n\n$forEach(objectKeys(WellKnownSymbolsStore), function (name) {\n  defineWellKnownSymbol(name);\n});\n\n$({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Symbol.for` method\n  // https://tc39.github.io/ecma262/#sec-symbol.for\n  'for': function (key) {\n    var string = String(key);\n    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];\n    var symbol = $Symbol(string);\n    StringToSymbolRegistry[string] = symbol;\n    SymbolToStringRegistry[symbol] = string;\n    return symbol;\n  },\n  // `Symbol.keyFor` method\n  // https://tc39.github.io/ecma262/#sec-symbol.keyfor\n  keyFor: function keyFor(sym) {\n    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');\n    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];\n  },\n  useSetter: function () { USE_SETTER = true; },\n  useSimple: function () { USE_SETTER = false; }\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {\n  // `Object.create` method\n  // https://tc39.github.io/ecma262/#sec-object.create\n  create: $create,\n  // `Object.defineProperty` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperty\n  defineProperty: $defineProperty,\n  // `Object.defineProperties` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperties\n  defineProperties: $defineProperties,\n  // `Object.getOwnPropertyDescriptor` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Object.getOwnPropertyNames` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // `Object.getOwnPropertySymbols` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives\n// https://bugs.chromium.org/p/v8/issues/detail?id=3443\n$({ target: 'Object', stat: true, forced: fails(function () { getOwnPropertySymbolsModule.f(1); }) }, {\n  getOwnPropertySymbols: function getOwnPropertySymbols(it) {\n    return getOwnPropertySymbolsModule.f(toObject(it));\n  }\n});\n\n// `JSON.stringify` method behavior with symbols\n// https://tc39.github.io/ecma262/#sec-json.stringify\nif ($stringify) {\n  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {\n    var symbol = $Symbol();\n    // MS Edge converts symbol values to JSON as {}\n    return $stringify([symbol]) != '[null]'\n      // WebKit converts symbol values to JSON as null\n      || $stringify({ a: symbol }) != '{}'\n      // V8 throws on boxed symbols\n      || $stringify(Object(symbol)) != '{}';\n  });\n\n  $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {\n    // eslint-disable-next-line no-unused-vars\n    stringify: function stringify(it, replacer, space) {\n      var args = [it];\n      var index = 1;\n      var $replacer;\n      while (arguments.length > index) args.push(arguments[index++]);\n      $replacer = replacer;\n      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n      if (!isArray(replacer)) replacer = function (key, value) {\n        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n        if (!isSymbol(value)) return value;\n      };\n      args[1] = replacer;\n      return $stringify.apply(null, args);\n    }\n  });\n}\n\n// `Symbol.prototype[@@toPrimitive]` method\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive\nif (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {\n  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n}\n// `Symbol.prototype[@@toStringTag]` property\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag\nsetToStringTag($Symbol, SYMBOL);\n\nhiddenKeys[HIDDEN] = true;\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names').f;\n\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n  try {\n    return nativeGetOwnPropertyNames(it);\n  } catch (error) {\n    return windowNames.slice();\n  }\n};\n\n// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nmodule.exports.f = function getOwnPropertyNames(it) {\n  return windowNames && toString.call(it) == '[object Window]'\n    ? getWindowNames(it)\n    : nativeGetOwnPropertyNames(toIndexedObject(it));\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nexports.f = wellKnownSymbol;\n","var path = require('../internals/path');\nvar has = require('../internals/has');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineProperty = require('../internals/object-define-property').f;\n\nmodule.exports = function (NAME) {\n  var Symbol = path.Symbol || (path.Symbol = {});\n  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {\n    value: wrappedWellKnownSymbolModule.f(NAME)\n  });\n};\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.asyncIterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.asynciterator\ndefineWellKnownSymbol('asyncIterator');\n","// `Symbol.prototype.description` getter\n// https://tc39.github.io/ecma262/#sec-symbol.prototype.description\n'use strict';\nvar $ = require('../internals/export');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar has = require('../internals/has');\nvar isObject = require('../internals/is-object');\nvar defineProperty = require('../internals/object-define-property').f;\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\n\nvar NativeSymbol = global.Symbol;\n\nif (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||\n  // Safari 12 bug\n  NativeSymbol().description !== undefined\n)) {\n  var EmptyStringDescriptionStore = {};\n  // wrap Symbol constructor for correct work with undefined description\n  var SymbolWrapper = function Symbol() {\n    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var result = this instanceof SymbolWrapper\n      ? new NativeSymbol(description)\n      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'\n      : description === undefined ? NativeSymbol() : NativeSymbol(description);\n    if (description === '') EmptyStringDescriptionStore[result] = true;\n    return result;\n  };\n  copyConstructorProperties(SymbolWrapper, NativeSymbol);\n  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;\n  symbolPrototype.constructor = SymbolWrapper;\n\n  var symbolToString = symbolPrototype.toString;\n  var native = String(NativeSymbol('test')) == 'Symbol(test)';\n  var regexp = /^Symbol\\((.*)\\)[^)]+$/;\n  defineProperty(symbolPrototype, 'description', {\n    configurable: true,\n    get: function description() {\n      var symbol = isObject(this) ? this.valueOf() : this;\n      var string = symbolToString.call(symbol);\n      if (has(EmptyStringDescriptionStore, symbol)) return '';\n      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');\n      return desc === '' ? undefined : desc;\n    }\n  });\n\n  $({ global: true, forced: true }, {\n    Symbol: SymbolWrapper\n  });\n}\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.hasInstance` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.hasinstance\ndefineWellKnownSymbol('hasInstance');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.isConcatSpreadable` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.isconcatspreadable\ndefineWellKnownSymbol('isConcatSpreadable');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.iterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.iterator\ndefineWellKnownSymbol('iterator');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.match` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.match\ndefineWellKnownSymbol('match');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.matchAll` well-known symbol\ndefineWellKnownSymbol('matchAll');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.replace` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.replace\ndefineWellKnownSymbol('replace');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.search` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.search\ndefineWellKnownSymbol('search');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.species` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.species\ndefineWellKnownSymbol('species');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.split` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.split\ndefineWellKnownSymbol('split');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toPrimitive` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.toprimitive\ndefineWellKnownSymbol('toPrimitive');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toStringTag` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.tostringtag\ndefineWellKnownSymbol('toStringTag');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.unscopables` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.unscopables\ndefineWellKnownSymbol('unscopables');\n","var setToStringTag = require('../internals/set-to-string-tag');\n\n// Math[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-math-@@tostringtag\nsetToStringTag(Math, 'Math', true);\n","var global = require('../internals/global');\nvar setToStringTag = require('../internals/set-to-string-tag');\n\n// JSON[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-json-@@tostringtag\nsetToStringTag(global.JSON, 'JSON', true);\n","require('../../modules/es.string.pad-start');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padStart');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padStart = require('../internals/string-pad').start;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padStart` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padStart: function padStart(maxLength /* , fillString = ' ' */) {\n    return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","// https://github.com/tc39/proposal-string-pad-start-end\nvar toLength = require('../internals/to-length');\nvar repeat = require('../internals/string-repeat');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nvar ceil = Math.ceil;\n\n// `String.prototype.{ padStart, padEnd }` methods implementation\nvar createMethod = function (IS_END) {\n  return function ($this, maxLength, fillString) {\n    var S = String(requireObjectCoercible($this));\n    var stringLength = S.length;\n    var fillStr = fillString === undefined ? ' ' : String(fillString);\n    var intMaxLength = toLength(maxLength);\n    var fillLen, stringFiller;\n    if (intMaxLength <= stringLength || fillStr == '') return S;\n    fillLen = intMaxLength - stringLength;\n    stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));\n    if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);\n    return IS_END ? S + stringFiller : stringFiller + S;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.padStart` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n  start: createMethod(false),\n  // `String.prototype.padEnd` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padend\n  end: createMethod(true)\n};\n","'use strict';\nvar toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.repeat` method implementation\n// https://tc39.github.io/ecma262/#sec-string.prototype.repeat\nmodule.exports = ''.repeat || function repeat(count) {\n  var str = String(requireObjectCoercible(this));\n  var result = '';\n  var n = toInteger(count);\n  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');\n  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;\n  return result;\n};\n","// https://github.com/zloirock/core-js/issues/280\nvar userAgent = require('../internals/engine-user-agent');\n\n// eslint-disable-next-line unicorn/no-unsafe-regex\nmodule.exports = /Version\\/10\\.\\d+(\\.\\d+)?( Mobile\\/\\w+)? Safari\\//.test(userAgent);\n","require('../../modules/es.string.pad-end');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padEnd');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padEnd = require('../internals/string-pad').end;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padEnd` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padend\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padEnd: function padEnd(maxLength /* , fillString = ' ' */) {\n    return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.object.values');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.values;\n","var $ = require('../internals/export');\nvar $values = require('../internals/object-to-array').values;\n\n// `Object.values` method\n// https://tc39.github.io/ecma262/#sec-object.values\n$({ target: 'Object', stat: true }, {\n  values: function values(O) {\n    return $values(O);\n  }\n});\n","var DESCRIPTORS = require('../internals/descriptors');\nvar objectKeys = require('../internals/object-keys');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar propertyIsEnumerable = require('../internals/object-property-is-enumerable').f;\n\n// `Object.{ entries, values }` methods implementation\nvar createMethod = function (TO_ENTRIES) {\n  return function (it) {\n    var O = toIndexedObject(it);\n    var keys = objectKeys(O);\n    var length = keys.length;\n    var i = 0;\n    var result = [];\n    var key;\n    while (length > i) {\n      key = keys[i++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {\n        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);\n      }\n    }\n    return result;\n  };\n};\n\nmodule.exports = {\n  // `Object.entries` method\n  // https://tc39.github.io/ecma262/#sec-object.entries\n  entries: createMethod(true),\n  // `Object.values` method\n  // https://tc39.github.io/ecma262/#sec-object.values\n  values: createMethod(false)\n};\n","require('../../modules/es.object.entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.entries;\n","var $ = require('../internals/export');\nvar $entries = require('../internals/object-to-array').entries;\n\n// `Object.entries` method\n// https://tc39.github.io/ecma262/#sec-object.entries\n$({ target: 'Object', stat: true }, {\n  entries: function entries(O) {\n    return $entries(O);\n  }\n});\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* uses XRef */\n\nimport { assert, unreachable } from \"../shared/util.js\";\n\nvar EOF = {};\n\nvar Name = (function NameClosure() {\n  let nameCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Name(name) {\n    this.name = name;\n  }\n\n  Name.prototype = {};\n\n  Name.get = function Name_get(name) {\n    var nameValue = nameCache[name];\n    // eslint-disable-next-line no-restricted-syntax\n    return nameValue ? nameValue : (nameCache[name] = new Name(name));\n  };\n\n  Name._clearCache = function () {\n    nameCache = Object.create(null);\n  };\n\n  return Name;\n})();\n\nvar Cmd = (function CmdClosure() {\n  let cmdCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Cmd(cmd) {\n    this.cmd = cmd;\n  }\n\n  Cmd.prototype = {};\n\n  Cmd.get = function Cmd_get(cmd) {\n    var cmdValue = cmdCache[cmd];\n    // eslint-disable-next-line no-restricted-syntax\n    return cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd));\n  };\n\n  Cmd._clearCache = function () {\n    cmdCache = Object.create(null);\n  };\n\n  return Cmd;\n})();\n\nvar Dict = (function DictClosure() {\n  var nonSerializable = function nonSerializableClosure() {\n    return nonSerializable; // creating closure on some variable\n  };\n\n  // xref is optional\n  // eslint-disable-next-line no-shadow\n  function Dict(xref) {\n    // Map should only be used internally, use functions below to access.\n    this._map = Object.create(null);\n    this.xref = xref;\n    this.objId = null;\n    this.suppressEncryption = false;\n    this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict\n  }\n\n  Dict.prototype = {\n    assignXref: function Dict_assignXref(newXref) {\n      this.xref = newXref;\n    },\n\n    get size() {\n      return Object.keys(this._map).length;\n    },\n\n    // automatically dereferences Ref objects\n    get(key1, key2, key3) {\n      let value = this._map[key1];\n      if (value === undefined && key2 !== undefined) {\n        value = this._map[key2];\n        if (value === undefined && key3 !== undefined) {\n          value = this._map[key3];\n        }\n      }\n      if (value instanceof Ref && this.xref) {\n        return this.xref.fetch(value, this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // Same as get(), but returns a promise and uses fetchIfRefAsync().\n    async getAsync(key1, key2, key3) {\n      let value = this._map[key1];\n      if (value === undefined && key2 !== undefined) {\n        value = this._map[key2];\n        if (value === undefined && key3 !== undefined) {\n          value = this._map[key3];\n        }\n      }\n      if (value instanceof Ref && this.xref) {\n        return this.xref.fetchAsync(value, this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // Same as get(), but dereferences all elements if the result is an Array.\n    getArray(key1, key2, key3) {\n      let value = this.get(key1, key2, key3);\n      if (!Array.isArray(value) || !this.xref) {\n        return value;\n      }\n      value = value.slice(); // Ensure that we don't modify the Dict data.\n      for (let i = 0, ii = value.length; i < ii; i++) {\n        if (!(value[i] instanceof Ref)) {\n          continue;\n        }\n        value[i] = this.xref.fetch(value[i], this.suppressEncryption);\n      }\n      return value;\n    },\n\n    // no dereferencing\n    getRaw: function Dict_getRaw(key) {\n      return this._map[key];\n    },\n\n    getKeys: function Dict_getKeys() {\n      return Object.keys(this._map);\n    },\n\n    // no dereferencing\n    getRawValues: function Dict_getRawValues() {\n      return Object.values(this._map);\n    },\n\n    set: function Dict_set(key, value) {\n      if (\n        (typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")) &&\n        value === undefined\n      ) {\n        unreachable('Dict.set: The \"value\" cannot be undefined.');\n      }\n      this._map[key] = value;\n    },\n\n    has: function Dict_has(key) {\n      return this._map[key] !== undefined;\n    },\n\n    forEach: function Dict_forEach(callback) {\n      for (var key in this._map) {\n        callback(key, this.get(key));\n      }\n    },\n  };\n\n  Dict.empty = new Dict(null);\n\n  Dict.merge = function ({ xref, dictArray, mergeSubDicts = false }) {\n    const mergedDict = new Dict(xref);\n\n    if (!mergeSubDicts) {\n      for (const dict of dictArray) {\n        if (!(dict instanceof Dict)) {\n          continue;\n        }\n        for (const [key, value] of Object.entries(dict._map)) {\n          if (mergedDict._map[key] === undefined) {\n            mergedDict._map[key] = value;\n          }\n        }\n      }\n      return mergedDict.size > 0 ? mergedDict : Dict.empty;\n    }\n    const properties = new Map();\n\n    for (const dict of dictArray) {\n      if (!(dict instanceof Dict)) {\n        continue;\n      }\n      for (const [key, value] of Object.entries(dict._map)) {\n        let property = properties.get(key);\n        if (property === undefined) {\n          property = [];\n          properties.set(key, property);\n        }\n        property.push(value);\n      }\n    }\n    for (const [name, values] of properties) {\n      if (values.length === 1 || !(values[0] instanceof Dict)) {\n        mergedDict._map[name] = values[0];\n        continue;\n      }\n      const subDict = new Dict(xref);\n\n      for (const dict of values) {\n        if (!(dict instanceof Dict)) {\n          continue;\n        }\n        for (const [key, value] of Object.entries(dict._map)) {\n          if (subDict._map[key] === undefined) {\n            subDict._map[key] = value;\n          }\n        }\n      }\n      if (subDict.size > 0) {\n        mergedDict._map[name] = subDict;\n      }\n    }\n    properties.clear();\n\n    return mergedDict.size > 0 ? mergedDict : Dict.empty;\n  };\n\n  return Dict;\n})();\n\nvar Ref = (function RefClosure() {\n  let refCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  function Ref(num, gen) {\n    this.num = num;\n    this.gen = gen;\n  }\n\n  Ref.prototype = {\n    toString: function Ref_toString() {\n      // This function is hot, so we make the string as compact as possible.\n      // |this.gen| is almost always zero, so we treat that case specially.\n      if (this.gen === 0) {\n        return `${this.num}R`;\n      }\n      return `${this.num}R${this.gen}`;\n    },\n  };\n\n  Ref.get = function (num, gen) {\n    const key = gen === 0 ? `${num}R` : `${num}R${gen}`;\n    const refValue = refCache[key];\n    // eslint-disable-next-line no-restricted-syntax\n    return refValue ? refValue : (refCache[key] = new Ref(num, gen));\n  };\n\n  Ref._clearCache = function () {\n    refCache = Object.create(null);\n  };\n\n  return Ref;\n})();\n\n// The reference is identified by number and generation.\n// This structure stores only one instance of the reference.\nclass RefSet {\n  constructor() {\n    this._set = new Set();\n  }\n\n  has(ref) {\n    return this._set.has(ref.toString());\n  }\n\n  put(ref) {\n    this._set.add(ref.toString());\n  }\n\n  remove(ref) {\n    this._set.delete(ref.toString());\n  }\n}\n\nclass RefSetCache {\n  constructor() {\n    this._map = new Map();\n  }\n\n  get size() {\n    return this._map.size;\n  }\n\n  get(ref) {\n    return this._map.get(ref.toString());\n  }\n\n  has(ref) {\n    return this._map.has(ref.toString());\n  }\n\n  put(ref, obj) {\n    this._map.set(ref.toString(), obj);\n  }\n\n  putAlias(ref, aliasRef) {\n    this._map.set(ref.toString(), this.get(aliasRef));\n  }\n\n  forEach(callback) {\n    for (const value of this._map.values()) {\n      callback(value);\n    }\n  }\n\n  clear() {\n    this._map.clear();\n  }\n}\n\nfunction isEOF(v) {\n  return v === EOF;\n}\n\nfunction isName(v, name) {\n  return v instanceof Name && (name === undefined || v.name === name);\n}\n\nfunction isCmd(v, cmd) {\n  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);\n}\n\nfunction isDict(v, type) {\n  return (\n    v instanceof Dict && (type === undefined || isName(v.get(\"Type\"), type))\n  );\n}\n\nfunction isRef(v) {\n  return v instanceof Ref;\n}\n\nfunction isRefsEqual(v1, v2) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      v1 instanceof Ref && v2 instanceof Ref,\n      \"isRefsEqual: Both parameters should be `Ref`s.\"\n    );\n  }\n  return v1.num === v2.num && v1.gen === v2.gen;\n}\n\nfunction isStream(v) {\n  return typeof v === \"object\" && v !== null && v.getBytes !== undefined;\n}\n\nfunction clearPrimitiveCaches() {\n  Cmd._clearCache();\n  Name._clearCache();\n  Ref._clearCache();\n}\n\nexport {\n  EOF,\n  clearPrimitiveCaches,\n  Cmd,\n  Dict,\n  Name,\n  Ref,\n  RefSet,\n  RefSetCache,\n  isEOF,\n  isCmd,\n  isDict,\n  isName,\n  isRef,\n  isRefsEqual,\n  isStream,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  createValidAbsoluteUrl,\n  shadow,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { ChunkedStreamManager } from \"./chunked_stream.js\";\nimport { MissingDataException } from \"./core_utils.js\";\nimport { PDFDocument } from \"./document.js\";\nimport { Stream } from \"./stream.js\";\n\nclass BasePdfManager {\n  constructor() {\n    if (this.constructor === BasePdfManager) {\n      unreachable(\"Cannot initialize BasePdfManager.\");\n    }\n  }\n\n  get docId() {\n    return this._docId;\n  }\n\n  get password() {\n    return this._password;\n  }\n\n  get docBaseUrl() {\n    let docBaseUrl = null;\n    if (this._docBaseUrl) {\n      const absoluteUrl = createValidAbsoluteUrl(this._docBaseUrl);\n      if (absoluteUrl) {\n        docBaseUrl = absoluteUrl.href;\n      } else {\n        warn(`Invalid absolute docBaseUrl: \"${this._docBaseUrl}\".`);\n      }\n    }\n    return shadow(this, \"docBaseUrl\", docBaseUrl);\n  }\n\n  onLoadedStream() {\n    unreachable(\"Abstract method `onLoadedStream` called\");\n  }\n\n  ensureDoc(prop, args) {\n    return this.ensure(this.pdfDocument, prop, args);\n  }\n\n  ensureXRef(prop, args) {\n    return this.ensure(this.pdfDocument.xref, prop, args);\n  }\n\n  ensureCatalog(prop, args) {\n    return this.ensure(this.pdfDocument.catalog, prop, args);\n  }\n\n  getPage(pageIndex) {\n    return this.pdfDocument.getPage(pageIndex);\n  }\n\n  fontFallback(id, handler) {\n    return this.pdfDocument.fontFallback(id, handler);\n  }\n\n  cleanup(manuallyTriggered = false) {\n    return this.pdfDocument.cleanup(manuallyTriggered);\n  }\n\n  async ensure(obj, prop, args) {\n    unreachable(\"Abstract method `ensure` called\");\n  }\n\n  requestRange(begin, end) {\n    unreachable(\"Abstract method `requestRange` called\");\n  }\n\n  requestLoadedStream() {\n    unreachable(\"Abstract method `requestLoadedStream` called\");\n  }\n\n  sendProgressiveData(chunk) {\n    unreachable(\"Abstract method `sendProgressiveData` called\");\n  }\n\n  updatePassword(password) {\n    this._password = password;\n  }\n\n  terminate(reason) {\n    unreachable(\"Abstract method `terminate` called\");\n  }\n}\n\nclass LocalPdfManager extends BasePdfManager {\n  constructor(docId, data, password, evaluatorOptions, docBaseUrl) {\n    super();\n\n    this._docId = docId;\n    this._password = password;\n    this._docBaseUrl = docBaseUrl;\n    this.evaluatorOptions = evaluatorOptions;\n\n    const stream = new Stream(data);\n    this.pdfDocument = new PDFDocument(this, stream);\n    this._loadedStreamPromise = Promise.resolve(stream);\n  }\n\n  async ensure(obj, prop, args) {\n    const value = obj[prop];\n    if (typeof value === \"function\") {\n      return value.apply(obj, args);\n    }\n    return value;\n  }\n\n  requestRange(begin, end) {\n    return Promise.resolve();\n  }\n\n  requestLoadedStream() {}\n\n  onLoadedStream() {\n    return this._loadedStreamPromise;\n  }\n\n  terminate(reason) {}\n}\n\nclass NetworkPdfManager extends BasePdfManager {\n  constructor(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {\n    super();\n\n    this._docId = docId;\n    this._password = args.password;\n    this._docBaseUrl = docBaseUrl;\n    this.msgHandler = args.msgHandler;\n    this.evaluatorOptions = evaluatorOptions;\n\n    this.streamManager = new ChunkedStreamManager(pdfNetworkStream, {\n      msgHandler: args.msgHandler,\n      length: args.length,\n      disableAutoFetch: args.disableAutoFetch,\n      rangeChunkSize: args.rangeChunkSize,\n    });\n    this.pdfDocument = new PDFDocument(this, this.streamManager.getStream());\n  }\n\n  async ensure(obj, prop, args) {\n    try {\n      const value = obj[prop];\n      if (typeof value === \"function\") {\n        return value.apply(obj, args);\n      }\n      return value;\n    } catch (ex) {\n      if (!(ex instanceof MissingDataException)) {\n        throw ex;\n      }\n      await this.requestRange(ex.begin, ex.end);\n      return this.ensure(obj, prop, args);\n    }\n  }\n\n  requestRange(begin, end) {\n    return this.streamManager.requestRange(begin, end);\n  }\n\n  requestLoadedStream() {\n    this.streamManager.requestAllChunks();\n  }\n\n  sendProgressiveData(chunk) {\n    this.streamManager.onReceiveData({ chunk });\n  }\n\n  onLoadedStream() {\n    return this.streamManager.onLoadedStream();\n  }\n\n  terminate(reason) {\n    this.streamManager.abort(reason);\n  }\n}\n\nexport { LocalPdfManager, NetworkPdfManager };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  arrayByteLength,\n  arraysToBytes,\n  createPromiseCapability,\n} from \"../shared/util.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\nclass ChunkedStream {\n  constructor(length, chunkSize, manager) {\n    this.bytes = new Uint8Array(length);\n    this.start = 0;\n    this.pos = 0;\n    this.end = length;\n    this.chunkSize = chunkSize;\n    this._loadedChunks = new Set();\n    this.numChunks = Math.ceil(length / chunkSize);\n    this.manager = manager;\n    this.progressiveDataLength = 0;\n    this.lastSuccessfulEnsureByteChunk = -1; // Single-entry cache\n  }\n\n  // If a particular stream does not implement one or more of these methods,\n  // an error should be thrown.\n  getMissingChunks() {\n    const chunks = [];\n    for (let chunk = 0, n = this.numChunks; chunk < n; ++chunk) {\n      if (!this._loadedChunks.has(chunk)) {\n        chunks.push(chunk);\n      }\n    }\n    return chunks;\n  }\n\n  getBaseStreams() {\n    return [this];\n  }\n\n  get numChunksLoaded() {\n    return this._loadedChunks.size;\n  }\n\n  allChunksLoaded() {\n    return this.numChunksLoaded === this.numChunks;\n  }\n\n  onReceiveData(begin, chunk) {\n    const chunkSize = this.chunkSize;\n    if (begin % chunkSize !== 0) {\n      throw new Error(`Bad begin offset: ${begin}`);\n    }\n\n    // Using `this.length` is inaccurate here since `this.start` can be moved\n    // (see the `moveStart` method).\n    const end = begin + chunk.byteLength;\n    if (end % chunkSize !== 0 && end !== this.bytes.length) {\n      throw new Error(`Bad end offset: ${end}`);\n    }\n\n    this.bytes.set(new Uint8Array(chunk), begin);\n    const beginChunk = Math.floor(begin / chunkSize);\n    const endChunk = Math.floor((end - 1) / chunkSize) + 1;\n\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // Since a value can only occur *once* in a `Set`, there's no need to\n      // manually check `Set.prototype.has()` before adding the value here.\n      this._loadedChunks.add(curChunk);\n    }\n  }\n\n  onReceiveProgressiveData(data) {\n    let position = this.progressiveDataLength;\n    const beginChunk = Math.floor(position / this.chunkSize);\n\n    this.bytes.set(new Uint8Array(data), position);\n    position += data.byteLength;\n    this.progressiveDataLength = position;\n    const endChunk =\n      position >= this.end\n        ? this.numChunks\n        : Math.floor(position / this.chunkSize);\n\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // Since a value can only occur *once* in a `Set`, there's no need to\n      // manually check `Set.prototype.has()` before adding the value here.\n      this._loadedChunks.add(curChunk);\n    }\n  }\n\n  ensureByte(pos) {\n    if (pos < this.progressiveDataLength) {\n      return;\n    }\n\n    const chunk = Math.floor(pos / this.chunkSize);\n    if (chunk === this.lastSuccessfulEnsureByteChunk) {\n      return;\n    }\n\n    if (!this._loadedChunks.has(chunk)) {\n      throw new MissingDataException(pos, pos + 1);\n    }\n    this.lastSuccessfulEnsureByteChunk = chunk;\n  }\n\n  ensureRange(begin, end) {\n    if (begin >= end) {\n      return;\n    }\n    if (end <= this.progressiveDataLength) {\n      return;\n    }\n\n    const chunkSize = this.chunkSize;\n    const beginChunk = Math.floor(begin / chunkSize);\n    const endChunk = Math.floor((end - 1) / chunkSize) + 1;\n    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n      if (!this._loadedChunks.has(chunk)) {\n        throw new MissingDataException(begin, end);\n      }\n    }\n  }\n\n  nextEmptyChunk(beginChunk) {\n    const numChunks = this.numChunks;\n    for (let i = 0; i < numChunks; ++i) {\n      const chunk = (beginChunk + i) % numChunks; // Wrap around to beginning.\n      if (!this._loadedChunks.has(chunk)) {\n        return chunk;\n      }\n    }\n    return null;\n  }\n\n  hasChunk(chunk) {\n    return this._loadedChunks.has(chunk);\n  }\n\n  get length() {\n    return this.end - this.start;\n  }\n\n  get isEmpty() {\n    return this.length === 0;\n  }\n\n  getByte() {\n    const pos = this.pos;\n    if (pos >= this.end) {\n      return -1;\n    }\n    if (pos >= this.progressiveDataLength) {\n      this.ensureByte(pos);\n    }\n    return this.bytes[this.pos++];\n  }\n\n  getUint16() {\n    const b0 = this.getByte();\n    const b1 = this.getByte();\n    if (b0 === -1 || b1 === -1) {\n      return -1;\n    }\n    return (b0 << 8) + b1;\n  }\n\n  getInt32() {\n    const b0 = this.getByte();\n    const b1 = this.getByte();\n    const b2 = this.getByte();\n    const b3 = this.getByte();\n    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n  }\n\n  // Returns subarray of original buffer, should only be read.\n  getBytes(length, forceClamped = false) {\n    const bytes = this.bytes;\n    const pos = this.pos;\n    const strEnd = this.end;\n\n    if (!length) {\n      if (strEnd > this.progressiveDataLength) {\n        this.ensureRange(pos, strEnd);\n      }\n      const subarray = bytes.subarray(pos, strEnd);\n      // `this.bytes` is always a `Uint8Array` here.\n      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n    }\n\n    let end = pos + length;\n    if (end > strEnd) {\n      end = strEnd;\n    }\n    if (end > this.progressiveDataLength) {\n      this.ensureRange(pos, end);\n    }\n\n    this.pos = end;\n    const subarray = bytes.subarray(pos, end);\n    // `this.bytes` is always a `Uint8Array` here.\n    return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n  }\n\n  peekByte() {\n    const peekedByte = this.getByte();\n    if (peekedByte !== -1) {\n      this.pos--;\n    }\n    return peekedByte;\n  }\n\n  peekBytes(length, forceClamped = false) {\n    const bytes = this.getBytes(length, forceClamped);\n    this.pos -= bytes.length;\n    return bytes;\n  }\n\n  getByteRange(begin, end) {\n    if (begin < 0) {\n      begin = 0;\n    }\n    if (end > this.end) {\n      end = this.end;\n    }\n    if (end > this.progressiveDataLength) {\n      this.ensureRange(begin, end);\n    }\n    return this.bytes.subarray(begin, end);\n  }\n\n  skip(n) {\n    if (!n) {\n      n = 1;\n    }\n    this.pos += n;\n  }\n\n  reset() {\n    this.pos = this.start;\n  }\n\n  moveStart() {\n    this.start = this.pos;\n  }\n\n  makeSubStream(start, length, dict) {\n    if (length) {\n      if (start + length > this.progressiveDataLength) {\n        this.ensureRange(start, start + length);\n      }\n    } else {\n      // When the `length` is undefined you do *not*, under any circumstances,\n      // want to fallback on calling `this.ensureRange(start, this.end)` since\n      // that would force the *entire* PDF file to be loaded, thus completely\n      // breaking the whole purpose of using streaming and/or range requests.\n      //\n      // However, not doing any checking here could very easily lead to wasted\n      // time/resources during e.g. parsing, since `MissingDataException`s will\n      // require data to be re-parsed, which we attempt to minimize by at least\n      // checking that the *beginning* of the data is available here.\n      if (start >= this.progressiveDataLength) {\n        this.ensureByte(start);\n      }\n    }\n\n    function ChunkedStreamSubstream() {}\n    ChunkedStreamSubstream.prototype = Object.create(this);\n    ChunkedStreamSubstream.prototype.getMissingChunks = function () {\n      const chunkSize = this.chunkSize;\n      const beginChunk = Math.floor(this.start / chunkSize);\n      const endChunk = Math.floor((this.end - 1) / chunkSize) + 1;\n      const missingChunks = [];\n      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n        if (!this._loadedChunks.has(chunk)) {\n          missingChunks.push(chunk);\n        }\n      }\n      return missingChunks;\n    };\n    ChunkedStreamSubstream.prototype.allChunksLoaded = function () {\n      if (this.numChunksLoaded === this.numChunks) {\n        return true;\n      }\n      return this.getMissingChunks().length === 0;\n    };\n\n    const subStream = new ChunkedStreamSubstream();\n    subStream.pos = subStream.start = start;\n    subStream.end = start + length || this.end;\n    subStream.dict = dict;\n    return subStream;\n  }\n}\n\nclass ChunkedStreamManager {\n  constructor(pdfNetworkStream, args) {\n    this.length = args.length;\n    this.chunkSize = args.rangeChunkSize;\n    this.stream = new ChunkedStream(this.length, this.chunkSize, this);\n    this.pdfNetworkStream = pdfNetworkStream;\n    this.disableAutoFetch = args.disableAutoFetch;\n    this.msgHandler = args.msgHandler;\n\n    this.currRequestId = 0;\n\n    this._chunksNeededByRequest = new Map();\n    this._requestsByChunk = new Map();\n    this._promisesByRequest = new Map();\n    this.progressiveDataLength = 0;\n    this.aborted = false;\n\n    this._loadedStreamCapability = createPromiseCapability();\n  }\n\n  onLoadedStream() {\n    return this._loadedStreamCapability.promise;\n  }\n\n  sendRequest(begin, end) {\n    const rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);\n    if (!rangeReader.isStreamingSupported) {\n      rangeReader.onProgress = this.onProgress.bind(this);\n    }\n\n    let chunks = [],\n      loaded = 0;\n    const promise = new Promise((resolve, reject) => {\n      const readChunk = chunk => {\n        try {\n          if (!chunk.done) {\n            const data = chunk.value;\n            chunks.push(data);\n            loaded += arrayByteLength(data);\n            if (rangeReader.isStreamingSupported) {\n              this.onProgress({ loaded });\n            }\n            rangeReader.read().then(readChunk, reject);\n            return;\n          }\n          const chunkData = arraysToBytes(chunks);\n          chunks = null;\n          resolve(chunkData);\n        } catch (e) {\n          reject(e);\n        }\n      };\n      rangeReader.read().then(readChunk, reject);\n    });\n    promise.then(data => {\n      if (this.aborted) {\n        return; // Ignoring any data after abort.\n      }\n      this.onReceiveData({ chunk: data, begin });\n    });\n    // TODO check errors\n  }\n\n  /**\n   * Get all the chunks that are not yet loaded and group them into\n   * contiguous ranges to load in as few requests as possible.\n   */\n  requestAllChunks() {\n    const missingChunks = this.stream.getMissingChunks();\n    this._requestChunks(missingChunks);\n    return this._loadedStreamCapability.promise;\n  }\n\n  _requestChunks(chunks) {\n    const requestId = this.currRequestId++;\n\n    const chunksNeeded = new Set();\n    this._chunksNeededByRequest.set(requestId, chunksNeeded);\n    for (const chunk of chunks) {\n      if (!this.stream.hasChunk(chunk)) {\n        chunksNeeded.add(chunk);\n      }\n    }\n\n    if (chunksNeeded.size === 0) {\n      return Promise.resolve();\n    }\n\n    const capability = createPromiseCapability();\n    this._promisesByRequest.set(requestId, capability);\n\n    const chunksToRequest = [];\n    for (const chunk of chunksNeeded) {\n      let requestIds = this._requestsByChunk.get(chunk);\n      if (!requestIds) {\n        requestIds = [];\n        this._requestsByChunk.set(chunk, requestIds);\n\n        chunksToRequest.push(chunk);\n      }\n      requestIds.push(requestId);\n    }\n\n    if (chunksToRequest.length > 0) {\n      const groupedChunksToRequest = this.groupChunks(chunksToRequest);\n      for (const groupedChunk of groupedChunksToRequest) {\n        const begin = groupedChunk.beginChunk * this.chunkSize;\n        const end = Math.min(\n          groupedChunk.endChunk * this.chunkSize,\n          this.length\n        );\n        this.sendRequest(begin, end);\n      }\n    }\n\n    return capability.promise.catch(reason => {\n      if (this.aborted) {\n        return; // Ignoring any pending requests after abort.\n      }\n      throw reason;\n    });\n  }\n\n  getStream() {\n    return this.stream;\n  }\n\n  /**\n   * Loads any chunks in the requested range that are not yet loaded.\n   */\n  requestRange(begin, end) {\n    end = Math.min(end, this.length);\n\n    const beginChunk = this.getBeginChunk(begin);\n    const endChunk = this.getEndChunk(end);\n\n    const chunks = [];\n    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n      chunks.push(chunk);\n    }\n    return this._requestChunks(chunks);\n  }\n\n  requestRanges(ranges = []) {\n    const chunksToRequest = [];\n    for (const range of ranges) {\n      const beginChunk = this.getBeginChunk(range.begin);\n      const endChunk = this.getEndChunk(range.end);\n      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {\n        if (!chunksToRequest.includes(chunk)) {\n          chunksToRequest.push(chunk);\n        }\n      }\n    }\n\n    chunksToRequest.sort(function (a, b) {\n      return a - b;\n    });\n    return this._requestChunks(chunksToRequest);\n  }\n\n  /**\n   * Groups a sorted array of chunks into as few contiguous larger\n   * chunks as possible.\n   */\n  groupChunks(chunks) {\n    const groupedChunks = [];\n    let beginChunk = -1;\n    let prevChunk = -1;\n\n    for (let i = 0, ii = chunks.length; i < ii; ++i) {\n      const chunk = chunks[i];\n      if (beginChunk < 0) {\n        beginChunk = chunk;\n      }\n\n      if (prevChunk >= 0 && prevChunk + 1 !== chunk) {\n        groupedChunks.push({ beginChunk, endChunk: prevChunk + 1 });\n        beginChunk = chunk;\n      }\n      if (i + 1 === chunks.length) {\n        groupedChunks.push({ beginChunk, endChunk: chunk + 1 });\n      }\n\n      prevChunk = chunk;\n    }\n    return groupedChunks;\n  }\n\n  onProgress(args) {\n    this.msgHandler.send(\"DocProgress\", {\n      loaded: this.stream.numChunksLoaded * this.chunkSize + args.loaded,\n      total: this.length,\n    });\n  }\n\n  onReceiveData(args) {\n    const chunk = args.chunk;\n    const isProgressive = args.begin === undefined;\n    const begin = isProgressive ? this.progressiveDataLength : args.begin;\n    const end = begin + chunk.byteLength;\n\n    const beginChunk = Math.floor(begin / this.chunkSize);\n    const endChunk =\n      end < this.length\n        ? Math.floor(end / this.chunkSize)\n        : Math.ceil(end / this.chunkSize);\n\n    if (isProgressive) {\n      this.stream.onReceiveProgressiveData(chunk);\n      this.progressiveDataLength = end;\n    } else {\n      this.stream.onReceiveData(begin, chunk);\n    }\n\n    if (this.stream.allChunksLoaded()) {\n      this._loadedStreamCapability.resolve(this.stream);\n    }\n\n    const loadedRequests = [];\n    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {\n      // The server might return more chunks than requested.\n      const requestIds = this._requestsByChunk.get(curChunk);\n      if (!requestIds) {\n        continue;\n      }\n      this._requestsByChunk.delete(curChunk);\n\n      for (const requestId of requestIds) {\n        const chunksNeeded = this._chunksNeededByRequest.get(requestId);\n        if (chunksNeeded.has(curChunk)) {\n          chunksNeeded.delete(curChunk);\n        }\n\n        if (chunksNeeded.size > 0) {\n          continue;\n        }\n        loadedRequests.push(requestId);\n      }\n    }\n\n    // If there are no pending requests, automatically fetch the next\n    // unfetched chunk of the PDF file.\n    if (!this.disableAutoFetch && this._requestsByChunk.size === 0) {\n      let nextEmptyChunk;\n      if (this.stream.numChunksLoaded === 1) {\n        // This is a special optimization so that after fetching the first\n        // chunk, rather than fetching the second chunk, we fetch the last\n        // chunk.\n        const lastChunk = this.stream.numChunks - 1;\n        if (!this.stream.hasChunk(lastChunk)) {\n          nextEmptyChunk = lastChunk;\n        }\n      } else {\n        nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);\n      }\n      if (Number.isInteger(nextEmptyChunk)) {\n        this._requestChunks([nextEmptyChunk]);\n      }\n    }\n\n    for (const requestId of loadedRequests) {\n      const capability = this._promisesByRequest.get(requestId);\n      this._promisesByRequest.delete(requestId);\n      capability.resolve();\n    }\n\n    this.msgHandler.send(\"DocProgress\", {\n      loaded: this.stream.numChunksLoaded * this.chunkSize,\n      total: this.length,\n    });\n  }\n\n  onError(err) {\n    this._loadedStreamCapability.reject(err);\n  }\n\n  getBeginChunk(begin) {\n    return Math.floor(begin / this.chunkSize);\n  }\n\n  getEndChunk(end) {\n    return Math.floor((end - 1) / this.chunkSize) + 1;\n  }\n\n  abort(reason) {\n    this.aborted = true;\n    if (this.pdfNetworkStream) {\n      this.pdfNetworkStream.cancelAllRequests(reason);\n    }\n    for (const capability of this._promisesByRequest.values()) {\n      capability.reject(reason);\n    }\n  }\n}\n\nexport { ChunkedStream, ChunkedStreamManager };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\n\nfunction getLookupTableFactory(initializer) {\n  let lookup;\n  return function () {\n    if (initializer) {\n      lookup = Object.create(null);\n      initializer(lookup);\n      initializer = null;\n    }\n    return lookup;\n  };\n}\n\nclass MissingDataException extends BaseException {\n  constructor(begin, end) {\n    super(`Missing data [${begin}, ${end})`);\n    this.begin = begin;\n    this.end = end;\n  }\n}\n\nclass XRefEntryException extends BaseException {}\n\nclass XRefParseException extends BaseException {}\n\n/**\n * Get the value of an inheritable property.\n *\n * If the PDF specification explicitly lists a property in a dictionary as\n * inheritable, then the value of the property may be present in the dictionary\n * itself or in one or more parents of the dictionary.\n *\n * If the key is not found in the tree, `undefined` is returned. Otherwise,\n * the value for the key is returned or, if `stopWhenFound` is `false`, a list\n * of values is returned. To avoid infinite loops, the traversal is stopped when\n * the loop limit is reached.\n *\n * @param {Dict} dict - Dictionary from where to start the traversal.\n * @param {string} key - The key of the property to find the value for.\n * @param {boolean} getArray - Whether or not the value should be fetched as an\n *   array. The default value is `false`.\n * @param {boolean} stopWhenFound - Whether or not to stop the traversal when\n *   the key is found. If set to `false`, we always walk up the entire parent\n *   chain, for example to be able to find `\\Resources` placed on multiple\n *   levels of the tree. The default value is `true`.\n */\nfunction getInheritableProperty({\n  dict,\n  key,\n  getArray = false,\n  stopWhenFound = true,\n}) {\n  const LOOP_LIMIT = 100;\n  let loopCount = 0;\n  let values;\n\n  while (dict) {\n    const value = getArray ? dict.getArray(key) : dict.get(key);\n    if (value !== undefined) {\n      if (stopWhenFound) {\n        return value;\n      }\n      if (!values) {\n        values = [];\n      }\n      values.push(value);\n    }\n    if (++loopCount > LOOP_LIMIT) {\n      warn(`getInheritableProperty: maximum loop count exceeded for \"${key}\"`);\n      break;\n    }\n    dict = dict.get(\"Parent\");\n  }\n  return values;\n}\n\n// prettier-ignore\nconst ROMAN_NUMBER_MAP = [\n  \"\", \"C\", \"CC\", \"CCC\", \"CD\", \"D\", \"DC\", \"DCC\", \"DCCC\", \"CM\",\n  \"\", \"X\", \"XX\", \"XXX\", \"XL\", \"L\", \"LX\", \"LXX\", \"LXXX\", \"XC\",\n  \"\", \"I\", \"II\", \"III\", \"IV\", \"V\", \"VI\", \"VII\", \"VIII\", \"IX\"\n];\n\n/**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {number} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n *   to lower case letters. The default value is `false`.\n * @returns {string} The resulting Roman number.\n */\nfunction toRomanNumerals(number, lowerCase = false) {\n  assert(\n    Number.isInteger(number) && number > 0,\n    \"The number should be a positive integer.\"\n  );\n  const romanBuf = [];\n  let pos;\n  // Thousands\n  while (number >= 1000) {\n    number -= 1000;\n    romanBuf.push(\"M\");\n  }\n  // Hundreds\n  pos = (number / 100) | 0;\n  number %= 100;\n  romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n  // Tens\n  pos = (number / 10) | 0;\n  number %= 10;\n  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n  // Ones\n  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n  const romanStr = romanBuf.join(\"\");\n  return lowerCase ? romanStr.toLowerCase() : romanStr;\n}\n\n// Calculate the base 2 logarithm of the number `x`. This differs from the\n// native function in the sense that it returns the ceiling value and that it\n// returns 0 instead of `Infinity`/`NaN` for `x` values smaller than/equal to 0.\nfunction log2(x) {\n  if (x <= 0) {\n    return 0;\n  }\n  return Math.ceil(Math.log2(x));\n}\n\nfunction readInt8(data, offset) {\n  return (data[offset] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n  return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n  return (\n    ((data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]) >>>\n    0\n  );\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isWhiteSpace(ch) {\n  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;\n}\n\nexport {\n  getLookupTableFactory,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n  getInheritableProperty,\n  toRomanNumerals,\n  log2,\n  readInt8,\n  readUint16,\n  readUint32,\n  isWhiteSpace,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  InvalidPDFException,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  OPS,\n  shadow,\n  stringToBytes,\n  stringToPDFString,\n  unreachable,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { Catalog, ObjectLoader, XRef } from \"./obj.js\";\nimport {\n  clearPrimitiveCaches,\n  Dict,\n  isDict,\n  isName,\n  isStream,\n  Ref,\n} from \"./primitives.js\";\nimport {\n  getInheritableProperty,\n  isWhiteSpace,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n} from \"./core_utils.js\";\nimport { NullStream, Stream, StreamsSequenceStream } from \"./stream.js\";\nimport { AnnotationFactory } from \"./annotation.js\";\nimport { calculateMD5 } from \"./crypto.js\";\nimport { Linearization } from \"./parser.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { PartialEvaluator } from \"./evaluator.js\";\n\nconst DEFAULT_USER_UNIT = 1.0;\nconst LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];\n\nfunction isAnnotationRenderable(annotation, intent) {\n  return (\n    (intent === \"display\" && annotation.viewable) ||\n    (intent === \"print\" && annotation.printable)\n  );\n}\n\nclass Page {\n  constructor({\n    pdfManager,\n    xref,\n    pageIndex,\n    pageDict,\n    ref,\n    globalIdFactory,\n    fontCache,\n    builtInCMapCache,\n    globalImageCache,\n  }) {\n    this.pdfManager = pdfManager;\n    this.pageIndex = pageIndex;\n    this.pageDict = pageDict;\n    this.xref = xref;\n    this.ref = ref;\n    this.fontCache = fontCache;\n    this.builtInCMapCache = builtInCMapCache;\n    this.globalImageCache = globalImageCache;\n    this.evaluatorOptions = pdfManager.evaluatorOptions;\n    this.resourcesPromise = null;\n\n    const idCounters = {\n      obj: 0,\n    };\n    this._localIdFactory = class extends globalIdFactory {\n      static createObjId() {\n        return `p${pageIndex}_${++idCounters.obj}`;\n      }\n    };\n  }\n\n  /**\n   * @private\n   */\n  _getInheritableProperty(key, getArray = false) {\n    const value = getInheritableProperty({\n      dict: this.pageDict,\n      key,\n      getArray,\n      stopWhenFound: false,\n    });\n    if (!Array.isArray(value)) {\n      return value;\n    }\n    if (value.length === 1 || !isDict(value[0])) {\n      return value[0];\n    }\n    return Dict.merge({ xref: this.xref, dictArray: value });\n  }\n\n  get content() {\n    return this.pageDict.get(\"Contents\");\n  }\n\n  get resources() {\n    // For robustness: The spec states that a \\Resources entry has to be\n    // present, but can be empty. Some documents still omit it; in this case\n    // we return an empty dictionary.\n    return shadow(\n      this,\n      \"resources\",\n      this._getInheritableProperty(\"Resources\") || Dict.empty\n    );\n  }\n\n  _getBoundingBox(name) {\n    const box = this._getInheritableProperty(name, /* getArray = */ true);\n\n    if (Array.isArray(box) && box.length === 4) {\n      if (box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {\n        return box;\n      }\n      warn(`Empty /${name} entry.`);\n    }\n    return null;\n  }\n\n  get mediaBox() {\n    // Reset invalid media box to letter size.\n    return shadow(\n      this,\n      \"mediaBox\",\n      this._getBoundingBox(\"MediaBox\") || LETTER_SIZE_MEDIABOX\n    );\n  }\n\n  get cropBox() {\n    // Reset invalid crop box to media box.\n    return shadow(\n      this,\n      \"cropBox\",\n      this._getBoundingBox(\"CropBox\") || this.mediaBox\n    );\n  }\n\n  get userUnit() {\n    let obj = this.pageDict.get(\"UserUnit\");\n    if (!isNum(obj) || obj <= 0) {\n      obj = DEFAULT_USER_UNIT;\n    }\n    return shadow(this, \"userUnit\", obj);\n  }\n\n  get view() {\n    // From the spec, 6th ed., p.963:\n    // \"The crop, bleed, trim, and art boxes should not ordinarily\n    // extend beyond the boundaries of the media box. If they do, they are\n    // effectively reduced to their intersection with the media box.\"\n    const { cropBox, mediaBox } = this;\n    let view;\n    if (cropBox === mediaBox || isArrayEqual(cropBox, mediaBox)) {\n      view = mediaBox;\n    } else {\n      const box = Util.intersect(cropBox, mediaBox);\n      if (box && box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {\n        view = box;\n      } else {\n        warn(\"Empty /CropBox and /MediaBox intersection.\");\n      }\n    }\n    return shadow(this, \"view\", view || mediaBox);\n  }\n\n  get rotate() {\n    let rotate = this._getInheritableProperty(\"Rotate\") || 0;\n\n    // Normalize rotation so it's a multiple of 90 and between 0 and 270.\n    if (rotate % 90 !== 0) {\n      rotate = 0;\n    } else if (rotate >= 360) {\n      rotate = rotate % 360;\n    } else if (rotate < 0) {\n      // The spec doesn't cover negatives. Assume it's counterclockwise\n      // rotation. The following is the other implementation of modulo.\n      rotate = ((rotate % 360) + 360) % 360;\n    }\n    return shadow(this, \"rotate\", rotate);\n  }\n\n  getContentStream() {\n    const content = this.content;\n    let stream;\n\n    if (Array.isArray(content)) {\n      // Fetching the individual streams from the array.\n      const xref = this.xref;\n      const streams = [];\n      for (const subStream of content) {\n        streams.push(xref.fetchIfRef(subStream));\n      }\n      stream = new StreamsSequenceStream(streams);\n    } else if (isStream(content)) {\n      stream = content;\n    } else {\n      // Replace non-existent page content with empty content.\n      stream = new NullStream();\n    }\n    return stream;\n  }\n\n  save(handler, task, annotationStorage) {\n    const partialEvaluator = new PartialEvaluator({\n      xref: this.xref,\n      handler,\n      pageIndex: this.pageIndex,\n      idFactory: this._localIdFactory,\n      fontCache: this.fontCache,\n      builtInCMapCache: this.builtInCMapCache,\n      globalImageCache: this.globalImageCache,\n      options: this.evaluatorOptions,\n    });\n\n    // Fetch the page's annotations and save the content\n    // in case of interactive form fields.\n    return this._parsedAnnotations.then(function (annotations) {\n      const newRefsPromises = [];\n      for (const annotation of annotations) {\n        if (!isAnnotationRenderable(annotation, \"print\")) {\n          continue;\n        }\n        newRefsPromises.push(\n          annotation\n            .save(partialEvaluator, task, annotationStorage)\n            .catch(function (reason) {\n              warn(\n                \"save - ignoring annotation data during \" +\n                  `\"${task.name}\" task: \"${reason}\".`\n              );\n              return null;\n            })\n        );\n      }\n\n      return Promise.all(newRefsPromises);\n    });\n  }\n\n  loadResources(keys) {\n    if (!this.resourcesPromise) {\n      // TODO: add async `_getInheritableProperty` and remove this.\n      this.resourcesPromise = this.pdfManager.ensure(this, \"resources\");\n    }\n    return this.resourcesPromise.then(() => {\n      const objectLoader = new ObjectLoader(this.resources, keys, this.xref);\n      return objectLoader.load();\n    });\n  }\n\n  getOperatorList({\n    handler,\n    sink,\n    task,\n    intent,\n    renderInteractiveForms,\n    annotationStorage,\n  }) {\n    const contentStreamPromise = this.pdfManager.ensure(\n      this,\n      \"getContentStream\"\n    );\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"ColorSpace\",\n      \"Pattern\",\n      \"Shading\",\n      \"XObject\",\n      \"Font\",\n    ]);\n\n    const partialEvaluator = new PartialEvaluator({\n      xref: this.xref,\n      handler,\n      pageIndex: this.pageIndex,\n      idFactory: this._localIdFactory,\n      fontCache: this.fontCache,\n      builtInCMapCache: this.builtInCMapCache,\n      globalImageCache: this.globalImageCache,\n      options: this.evaluatorOptions,\n    });\n\n    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);\n    const pageListPromise = dataPromises.then(([contentStream]) => {\n      const opList = new OperatorList(intent, sink);\n\n      handler.send(\"StartRenderPage\", {\n        transparency: partialEvaluator.hasBlendModes(this.resources),\n        pageIndex: this.pageIndex,\n        intent,\n      });\n\n      return partialEvaluator\n        .getOperatorList({\n          stream: contentStream,\n          task,\n          resources: this.resources,\n          operatorList: opList,\n        })\n        .then(function () {\n          return opList;\n        });\n    });\n\n    // Fetch the page's annotations and add their operator lists to the\n    // page's operator list to render them.\n    return Promise.all([pageListPromise, this._parsedAnnotations]).then(\n      function ([pageOpList, annotations]) {\n        if (annotations.length === 0) {\n          pageOpList.flush(true);\n          return { length: pageOpList.totalLength };\n        }\n\n        // Collect the operator list promises for the annotations. Each promise\n        // is resolved with the complete operator list for a single annotation.\n        const opListPromises = [];\n        for (const annotation of annotations) {\n          if (isAnnotationRenderable(annotation, intent)) {\n            opListPromises.push(\n              annotation\n                .getOperatorList(\n                  partialEvaluator,\n                  task,\n                  renderInteractiveForms,\n                  annotationStorage\n                )\n                .catch(function (reason) {\n                  warn(\n                    \"getOperatorList - ignoring annotation data during \" +\n                      `\"${task.name}\" task: \"${reason}\".`\n                  );\n                  return null;\n                })\n            );\n          }\n        }\n\n        return Promise.all(opListPromises).then(function (opLists) {\n          pageOpList.addOp(OPS.beginAnnotations, []);\n          for (const opList of opLists) {\n            pageOpList.addOpList(opList);\n          }\n          pageOpList.addOp(OPS.endAnnotations, []);\n          pageOpList.flush(true);\n          return { length: pageOpList.totalLength };\n        });\n      }\n    );\n  }\n\n  extractTextContent({\n    handler,\n    task,\n    normalizeWhitespace,\n    sink,\n    combineTextItems,\n  }) {\n    const contentStreamPromise = this.pdfManager.ensure(\n      this,\n      \"getContentStream\"\n    );\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"XObject\",\n      \"Font\",\n    ]);\n\n    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);\n    return dataPromises.then(([contentStream]) => {\n      const partialEvaluator = new PartialEvaluator({\n        xref: this.xref,\n        handler,\n        pageIndex: this.pageIndex,\n        idFactory: this._localIdFactory,\n        fontCache: this.fontCache,\n        builtInCMapCache: this.builtInCMapCache,\n        globalImageCache: this.globalImageCache,\n        options: this.evaluatorOptions,\n      });\n\n      return partialEvaluator.getTextContent({\n        stream: contentStream,\n        task,\n        resources: this.resources,\n        normalizeWhitespace,\n        combineTextItems,\n        sink,\n      });\n    });\n  }\n\n  getAnnotationsData(intent) {\n    return this._parsedAnnotations.then(function (annotations) {\n      const annotationsData = [];\n      for (let i = 0, ii = annotations.length; i < ii; i++) {\n        if (!intent || isAnnotationRenderable(annotations[i], intent)) {\n          annotationsData.push(annotations[i].data);\n        }\n      }\n      return annotationsData;\n    });\n  }\n\n  get annotations() {\n    return shadow(\n      this,\n      \"annotations\",\n      this._getInheritableProperty(\"Annots\") || []\n    );\n  }\n\n  get _parsedAnnotations() {\n    const parsedAnnotations = this.pdfManager\n      .ensure(this, \"annotations\")\n      .then(() => {\n        const annotationPromises = [];\n        for (const annotationRef of this.annotations) {\n          annotationPromises.push(\n            AnnotationFactory.create(\n              this.xref,\n              annotationRef,\n              this.pdfManager,\n              this._localIdFactory\n            ).catch(function (reason) {\n              warn(`_parsedAnnotations: \"${reason}\".`);\n              return null;\n            })\n          );\n        }\n\n        return Promise.all(annotationPromises).then(function (annotations) {\n          return annotations.filter(annotation => !!annotation);\n        });\n      });\n\n    return shadow(this, \"_parsedAnnotations\", parsedAnnotations);\n  }\n}\n\nconst PDF_HEADER_SIGNATURE = new Uint8Array([0x25, 0x50, 0x44, 0x46, 0x2d]);\n// prettier-ignore\nconst STARTXREF_SIGNATURE = new Uint8Array([\n  0x73, 0x74, 0x61, 0x72, 0x74, 0x78, 0x72, 0x65, 0x66]);\nconst ENDOBJ_SIGNATURE = new Uint8Array([0x65, 0x6e, 0x64, 0x6f, 0x62, 0x6a]);\n\nconst FINGERPRINT_FIRST_BYTES = 1024;\nconst EMPTY_FINGERPRINT =\n  \"\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\";\n\nconst PDF_HEADER_VERSION_REGEXP = /^[1-9]\\.[0-9]$/;\n\nfunction find(stream, signature, limit = 1024, backwards = false) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(limit > 0, 'The \"limit\" must be a positive integer.');\n  }\n  const signatureLength = signature.length;\n\n  const scanBytes = stream.peekBytes(limit);\n  const scanLength = scanBytes.length - signatureLength;\n\n  if (scanLength <= 0) {\n    return false;\n  }\n  if (backwards) {\n    const signatureEnd = signatureLength - 1;\n\n    let pos = scanBytes.length - 1;\n    while (pos >= signatureEnd) {\n      let j = 0;\n      while (\n        j < signatureLength &&\n        scanBytes[pos - j] === signature[signatureEnd - j]\n      ) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found.\n        stream.pos += pos - signatureEnd;\n        return true;\n      }\n      pos--;\n    }\n  } else {\n    // forwards\n    let pos = 0;\n    while (pos <= scanLength) {\n      let j = 0;\n      while (j < signatureLength && scanBytes[pos + j] === signature[j]) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found.\n        stream.pos += pos;\n        return true;\n      }\n      pos++;\n    }\n  }\n  return false;\n}\n\n/**\n * The `PDFDocument` class holds all the (worker-thread) data of the PDF file.\n */\nclass PDFDocument {\n  constructor(pdfManager, arg) {\n    let stream;\n    if (isStream(arg)) {\n      stream = arg;\n    } else if (isArrayBuffer(arg)) {\n      stream = new Stream(arg);\n    } else {\n      throw new Error(\"PDFDocument: Unknown argument type\");\n    }\n    if (stream.length <= 0) {\n      throw new InvalidPDFException(\n        \"The PDF file is empty, i.e. its size is zero bytes.\"\n      );\n    }\n\n    this.pdfManager = pdfManager;\n    this.stream = stream;\n    this.xref = new XRef(stream, pdfManager);\n    this._pagePromises = [];\n    this._version = null;\n\n    const idCounters = {\n      font: 0,\n    };\n    this._globalIdFactory = class {\n      static getDocId() {\n        return `g_${pdfManager.docId}`;\n      }\n\n      static createFontId() {\n        return `f${++idCounters.font}`;\n      }\n\n      static createObjId() {\n        unreachable(\"Abstract method `createObjId` called.\");\n      }\n    };\n  }\n\n  parse(recoveryMode) {\n    this.xref.parse(recoveryMode);\n    this.catalog = new Catalog(this.pdfManager, this.xref);\n\n    // The `checkHeader` method is called before this method and parses the\n    // version from the header. The specification states in section 7.5.2\n    // that the version from the catalog, if present, should overwrite the\n    // version from the header.\n    if (this.catalog.version) {\n      this._version = this.catalog.version;\n    }\n  }\n\n  get linearization() {\n    let linearization = null;\n    try {\n      linearization = Linearization.create(this.stream);\n    } catch (err) {\n      if (err instanceof MissingDataException) {\n        throw err;\n      }\n      info(err);\n    }\n    return shadow(this, \"linearization\", linearization);\n  }\n\n  get startXRef() {\n    const stream = this.stream;\n    let startXRef = 0;\n\n    if (this.linearization) {\n      // Find the end of the first object.\n      stream.reset();\n      if (find(stream, ENDOBJ_SIGNATURE)) {\n        startXRef = stream.pos + 6 - stream.start;\n      }\n    } else {\n      // Find `startxref` by checking backwards from the end of the file.\n      const step = 1024;\n      const startXRefLength = STARTXREF_SIGNATURE.length;\n      let found = false,\n        pos = stream.end;\n\n      while (!found && pos > 0) {\n        pos -= step - startXRefLength;\n        if (pos < 0) {\n          pos = 0;\n        }\n        stream.pos = pos;\n        found = find(stream, STARTXREF_SIGNATURE, step, true);\n      }\n\n      if (found) {\n        stream.skip(9);\n        let ch;\n        do {\n          ch = stream.getByte();\n        } while (isWhiteSpace(ch));\n        let str = \"\";\n        while (ch >= /* Space = */ 0x20 && ch <= /* '9' = */ 0x39) {\n          str += String.fromCharCode(ch);\n          ch = stream.getByte();\n        }\n        startXRef = parseInt(str, 10);\n        if (isNaN(startXRef)) {\n          startXRef = 0;\n        }\n      }\n    }\n    return shadow(this, \"startXRef\", startXRef);\n  }\n\n  // Find the header, get the PDF format version and setup the\n  // stream to start from the header.\n  checkHeader() {\n    const stream = this.stream;\n    stream.reset();\n\n    if (!find(stream, PDF_HEADER_SIGNATURE)) {\n      // May not be a PDF file, but don't throw an error and let\n      // parsing continue.\n      return;\n    }\n    stream.moveStart();\n\n    // Read the PDF format version.\n    const MAX_PDF_VERSION_LENGTH = 12;\n    let version = \"\",\n      ch;\n    while ((ch = stream.getByte()) > /* Space = */ 0x20) {\n      if (version.length >= MAX_PDF_VERSION_LENGTH) {\n        break;\n      }\n      version += String.fromCharCode(ch);\n    }\n    if (!this._version) {\n      // Remove the \"%PDF-\" prefix.\n      this._version = version.substring(5);\n    }\n  }\n\n  parseStartXRef() {\n    this.xref.setStartXRef(this.startXRef);\n  }\n\n  get numPages() {\n    const linearization = this.linearization;\n    const num = linearization ? linearization.numPages : this.catalog.numPages;\n    return shadow(this, \"numPages\", num);\n  }\n\n  /**\n   * @private\n   */\n  _hasOnlyDocumentSignatures(fields, recursionDepth = 0) {\n    const RECURSION_LIMIT = 10;\n    return fields.every(field => {\n      field = this.xref.fetchIfRef(field);\n      if (field.has(\"Kids\")) {\n        if (++recursionDepth > RECURSION_LIMIT) {\n          warn(\"_hasOnlyDocumentSignatures: maximum recursion depth reached\");\n          return false;\n        }\n        return this._hasOnlyDocumentSignatures(\n          field.get(\"Kids\"),\n          recursionDepth\n        );\n      }\n      const isSignature = isName(field.get(\"FT\"), \"Sig\");\n      const rectangle = field.get(\"Rect\");\n      const isInvisible =\n        Array.isArray(rectangle) && rectangle.every(value => value === 0);\n      return isSignature && isInvisible;\n    });\n  }\n\n  get formInfo() {\n    const formInfo = { hasAcroForm: false, hasXfa: false };\n    const acroForm = this.catalog.acroForm;\n    if (!acroForm) {\n      return shadow(this, \"formInfo\", formInfo);\n    }\n\n    try {\n      // The document contains XFA data if the `XFA` entry is a non-empty\n      // array or stream.\n      const xfa = acroForm.get(\"XFA\");\n      const hasXfa =\n        (Array.isArray(xfa) && xfa.length > 0) ||\n        (isStream(xfa) && !xfa.isEmpty);\n      formInfo.hasXfa = hasXfa;\n\n      // The document contains AcroForm data if the `Fields` entry is a\n      // non-empty array and it doesn't consist of only document signatures.\n      // This second check is required for files that don't actually contain\n      // AcroForm data (only XFA data), but that use the `Fields` entry to\n      // store (invisible) document signatures. This can be detected using\n      // the first bit of the `SigFlags` integer (see Table 219 in the\n      // specification).\n      const fields = acroForm.get(\"Fields\");\n      const hasFields = Array.isArray(fields) && fields.length > 0;\n      const sigFlags = acroForm.get(\"SigFlags\");\n      const hasOnlyDocumentSignatures =\n        !!(sigFlags & 0x1) && this._hasOnlyDocumentSignatures(fields);\n      formInfo.hasAcroForm = hasFields && !hasOnlyDocumentSignatures;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch form information.\");\n    }\n    return shadow(this, \"formInfo\", formInfo);\n  }\n\n  get documentInfo() {\n    const DocumentInfoValidators = {\n      Title: isString,\n      Author: isString,\n      Subject: isString,\n      Keywords: isString,\n      Creator: isString,\n      Producer: isString,\n      CreationDate: isString,\n      ModDate: isString,\n      Trapped: isName,\n    };\n\n    let version = this._version;\n    if (\n      typeof version !== \"string\" ||\n      !PDF_HEADER_VERSION_REGEXP.test(version)\n    ) {\n      warn(`Invalid PDF header version number: ${version}`);\n      version = null;\n    }\n\n    const docInfo = {\n      PDFFormatVersion: version,\n      IsLinearized: !!this.linearization,\n      IsAcroFormPresent: this.formInfo.hasAcroForm,\n      IsXFAPresent: this.formInfo.hasXfa,\n      IsCollectionPresent: !!this.catalog.collection,\n    };\n\n    let infoDict;\n    try {\n      infoDict = this.xref.trailer.get(\"Info\");\n    } catch (err) {\n      if (err instanceof MissingDataException) {\n        throw err;\n      }\n      info(\"The document information dictionary is invalid.\");\n    }\n\n    if (isDict(infoDict)) {\n      // Fill the document info with valid entries from the specification,\n      // as well as any existing well-formed custom entries.\n      for (const key of infoDict.getKeys()) {\n        const value = infoDict.get(key);\n\n        if (DocumentInfoValidators[key]) {\n          // Make sure the (standard) value conforms to the specification.\n          if (DocumentInfoValidators[key](value)) {\n            docInfo[key] =\n              typeof value !== \"string\" ? value : stringToPDFString(value);\n          } else {\n            info(`Bad value in document info for \"${key}\".`);\n          }\n        } else if (typeof key === \"string\") {\n          // For custom values, only accept white-listed types to prevent\n          // errors that would occur when trying to send non-serializable\n          // objects to the main-thread (for example `Dict` or `Stream`).\n          let customValue;\n          if (isString(value)) {\n            customValue = stringToPDFString(value);\n          } else if (isName(value) || isNum(value) || isBool(value)) {\n            customValue = value;\n          } else {\n            info(`Unsupported value in document info for (custom) \"${key}\".`);\n            continue;\n          }\n\n          if (!docInfo.Custom) {\n            docInfo.Custom = Object.create(null);\n          }\n          docInfo.Custom[key] = customValue;\n        }\n      }\n    }\n    return shadow(this, \"documentInfo\", docInfo);\n  }\n\n  get fingerprint() {\n    let hash;\n    const idArray = this.xref.trailer.get(\"ID\");\n    if (\n      Array.isArray(idArray) &&\n      idArray[0] &&\n      isString(idArray[0]) &&\n      idArray[0] !== EMPTY_FINGERPRINT\n    ) {\n      hash = stringToBytes(idArray[0]);\n    } else {\n      hash = calculateMD5(\n        this.stream.getByteRange(0, FINGERPRINT_FIRST_BYTES),\n        0,\n        FINGERPRINT_FIRST_BYTES\n      );\n    }\n\n    const fingerprintBuf = [];\n    for (let i = 0, ii = hash.length; i < ii; i++) {\n      const hex = hash[i].toString(16);\n      fingerprintBuf.push(hex.padStart(2, \"0\"));\n    }\n    return shadow(this, \"fingerprint\", fingerprintBuf.join(\"\"));\n  }\n\n  _getLinearizationPage(pageIndex) {\n    const { catalog, linearization } = this;\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        linearization && linearization.pageFirst === pageIndex,\n        \"_getLinearizationPage - invalid pageIndex argument.\"\n      );\n    }\n\n    const ref = Ref.get(linearization.objectNumberFirst, 0);\n    return this.xref\n      .fetchAsync(ref)\n      .then(obj => {\n        // Ensure that the object that was found is actually a Page dictionary.\n        if (\n          isDict(obj, \"Page\") ||\n          (isDict(obj) && !obj.has(\"Type\") && obj.has(\"Contents\"))\n        ) {\n          if (ref && !catalog.pageKidsCountCache.has(ref)) {\n            catalog.pageKidsCountCache.put(ref, 1); // Cache the Page reference.\n          }\n          return [obj, ref];\n        }\n        throw new FormatError(\n          \"The Linearization dictionary doesn't point \" +\n            \"to a valid Page dictionary.\"\n        );\n      })\n      .catch(reason => {\n        info(reason);\n        return catalog.getPageDict(pageIndex);\n      });\n  }\n\n  getPage(pageIndex) {\n    if (this._pagePromises[pageIndex] !== undefined) {\n      return this._pagePromises[pageIndex];\n    }\n    const { catalog, linearization } = this;\n\n    const promise =\n      linearization && linearization.pageFirst === pageIndex\n        ? this._getLinearizationPage(pageIndex)\n        : catalog.getPageDict(pageIndex);\n\n    return (this._pagePromises[pageIndex] = promise.then(([pageDict, ref]) => {\n      return new Page({\n        pdfManager: this.pdfManager,\n        xref: this.xref,\n        pageIndex,\n        pageDict,\n        ref,\n        globalIdFactory: this._globalIdFactory,\n        fontCache: catalog.fontCache,\n        builtInCMapCache: catalog.builtInCMapCache,\n        globalImageCache: catalog.globalImageCache,\n      });\n    }));\n  }\n\n  checkFirstPage() {\n    return this.getPage(0).catch(async reason => {\n      if (reason instanceof XRefEntryException) {\n        // Clear out the various caches to ensure that we haven't stored any\n        // inconsistent and/or incorrect state, since that could easily break\n        // subsequent `this.getPage` calls.\n        this._pagePromises.length = 0;\n        await this.cleanup();\n\n        throw new XRefParseException();\n      }\n    });\n  }\n\n  fontFallback(id, handler) {\n    return this.catalog.fontFallback(id, handler);\n  }\n\n  async cleanup(manuallyTriggered = false) {\n    return this.catalog\n      ? this.catalog.cleanup(manuallyTriggered)\n      : clearPrimitiveCaches();\n  }\n}\n\nexport { Page, PDFDocument };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createValidAbsoluteUrl,\n  FormatError,\n  info,\n  InvalidPDFException,\n  isBool,\n  isNum,\n  isString,\n  PermissionFlag,\n  shadow,\n  stringToPDFString,\n  stringToUTF8String,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  clearPrimitiveCaches,\n  Cmd,\n  Dict,\n  isCmd,\n  isDict,\n  isName,\n  isRef,\n  isRefsEqual,\n  isStream,\n  Ref,\n  RefSet,\n  RefSetCache,\n} from \"./primitives.js\";\nimport { Lexer, Parser } from \"./parser.js\";\nimport {\n  MissingDataException,\n  toRomanNumerals,\n  XRefEntryException,\n  XRefParseException,\n} from \"./core_utils.js\";\nimport { CipherTransformFactory } from \"./crypto.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { GlobalImageCache } from \"./image_utils.js\";\n\nfunction fetchDestination(dest) {\n  return isDict(dest) ? dest.get(\"D\") : dest;\n}\n\nclass Catalog {\n  constructor(pdfManager, xref) {\n    this.pdfManager = pdfManager;\n    this.xref = xref;\n\n    this._catDict = xref.getCatalogObj();\n    if (!isDict(this._catDict)) {\n      throw new FormatError(\"Catalog object is not a dictionary.\");\n    }\n\n    this.fontCache = new RefSetCache();\n    this.builtInCMapCache = new Map();\n    this.globalImageCache = new GlobalImageCache();\n    this.pageKidsCountCache = new RefSetCache();\n  }\n\n  get version() {\n    const version = this._catDict.get(\"Version\");\n    if (!isName(version)) {\n      return shadow(this, \"version\", null);\n    }\n    return shadow(this, \"version\", version.name);\n  }\n\n  get collection() {\n    let collection = null;\n    try {\n      const obj = this._catDict.get(\"Collection\");\n      if (isDict(obj) && obj.size > 0) {\n        collection = obj;\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch Collection entry; assuming no collection is present.\");\n    }\n    return shadow(this, \"collection\", collection);\n  }\n\n  get acroForm() {\n    let acroForm = null;\n    try {\n      const obj = this._catDict.get(\"AcroForm\");\n      if (isDict(obj) && obj.size > 0) {\n        acroForm = obj;\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      info(\"Cannot fetch AcroForm entry; assuming no forms are present.\");\n    }\n    return shadow(this, \"acroForm\", acroForm);\n  }\n\n  get metadata() {\n    const streamRef = this._catDict.getRaw(\"Metadata\");\n    if (!isRef(streamRef)) {\n      return shadow(this, \"metadata\", null);\n    }\n\n    const suppressEncryption = !(\n      this.xref.encrypt && this.xref.encrypt.encryptMetadata\n    );\n    const stream = this.xref.fetch(streamRef, suppressEncryption);\n    let metadata;\n\n    if (stream && isDict(stream.dict)) {\n      const type = stream.dict.get(\"Type\");\n      const subtype = stream.dict.get(\"Subtype\");\n\n      if (isName(type, \"Metadata\") && isName(subtype, \"XML\")) {\n        // XXX: This should examine the charset the XML document defines,\n        // however since there are currently no real means to decode\n        // arbitrary charsets, let's just hope that the author of the PDF\n        // was reasonable enough to stick with the XML default charset,\n        // which is UTF-8.\n        try {\n          metadata = stringToUTF8String(bytesToString(stream.getBytes()));\n        } catch (e) {\n          if (e instanceof MissingDataException) {\n            throw e;\n          }\n          info(\"Skipping invalid metadata.\");\n        }\n      }\n    }\n    return shadow(this, \"metadata\", metadata);\n  }\n\n  get toplevelPagesDict() {\n    const pagesObj = this._catDict.get(\"Pages\");\n    if (!isDict(pagesObj)) {\n      throw new FormatError(\"Invalid top-level pages dictionary.\");\n    }\n    return shadow(this, \"toplevelPagesDict\", pagesObj);\n  }\n\n  get documentOutline() {\n    let obj = null;\n    try {\n      obj = this._readDocumentOutline();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read document outline.\");\n    }\n    return shadow(this, \"documentOutline\", obj);\n  }\n\n  /**\n   * @private\n   */\n  _readDocumentOutline() {\n    let obj = this._catDict.get(\"Outlines\");\n    if (!isDict(obj)) {\n      return null;\n    }\n    obj = obj.getRaw(\"First\");\n    if (!isRef(obj)) {\n      return null;\n    }\n\n    const root = { items: [] };\n    const queue = [{ obj, parent: root }];\n    // To avoid recursion, keep track of the already processed items.\n    const processed = new RefSet();\n    processed.put(obj);\n    const xref = this.xref,\n      blackColor = new Uint8ClampedArray(3);\n\n    while (queue.length > 0) {\n      const i = queue.shift();\n      const outlineDict = xref.fetchIfRef(i.obj);\n      if (outlineDict === null) {\n        continue;\n      }\n      if (!outlineDict.has(\"Title\")) {\n        throw new FormatError(\"Invalid outline item encountered.\");\n      }\n\n      const data = { url: null, dest: null };\n      Catalog.parseDestDictionary({\n        destDict: outlineDict,\n        resultObj: data,\n        docBaseUrl: this.pdfManager.docBaseUrl,\n      });\n      const title = outlineDict.get(\"Title\");\n      const flags = outlineDict.get(\"F\") || 0;\n      const color = outlineDict.getArray(\"C\");\n      const count = outlineDict.get(\"Count\");\n      let rgbColor = blackColor;\n\n      // We only need to parse the color when it's valid, and non-default.\n      if (\n        Array.isArray(color) &&\n        color.length === 3 &&\n        (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)\n      ) {\n        rgbColor = ColorSpace.singletons.rgb.getRgb(color, 0);\n      }\n\n      const outlineItem = {\n        dest: data.dest,\n        url: data.url,\n        unsafeUrl: data.unsafeUrl,\n        newWindow: data.newWindow,\n        title: stringToPDFString(title),\n        color: rgbColor,\n        count: Number.isInteger(count) ? count : undefined,\n        bold: !!(flags & 2),\n        italic: !!(flags & 1),\n        items: [],\n      };\n\n      i.parent.items.push(outlineItem);\n      obj = outlineDict.getRaw(\"First\");\n      if (isRef(obj) && !processed.has(obj)) {\n        queue.push({ obj, parent: outlineItem });\n        processed.put(obj);\n      }\n      obj = outlineDict.getRaw(\"Next\");\n      if (isRef(obj) && !processed.has(obj)) {\n        queue.push({ obj, parent: i.parent });\n        processed.put(obj);\n      }\n    }\n    return root.items.length > 0 ? root.items : null;\n  }\n\n  get permissions() {\n    let permissions = null;\n    try {\n      permissions = this._readPermissions();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read permissions.\");\n    }\n    return shadow(this, \"permissions\", permissions);\n  }\n\n  /**\n   * @private\n   */\n  _readPermissions() {\n    const encrypt = this.xref.trailer.get(\"Encrypt\");\n    if (!isDict(encrypt)) {\n      return null;\n    }\n\n    let flags = encrypt.get(\"P\");\n    if (!isNum(flags)) {\n      return null;\n    }\n\n    // PDF integer objects are represented internally in signed 2's complement\n    // form. Therefore, convert the signed decimal integer to a signed 2's\n    // complement binary integer so we can use regular bitwise operations on it.\n    flags += 2 ** 32;\n\n    const permissions = [];\n    for (const key in PermissionFlag) {\n      const value = PermissionFlag[key];\n      if (flags & value) {\n        permissions.push(value);\n      }\n    }\n    return permissions;\n  }\n\n  get optionalContentConfig() {\n    let config = null;\n    try {\n      const properties = this._catDict.get(\"OCProperties\");\n      if (!properties) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const defaultConfig = properties.get(\"D\");\n      if (!defaultConfig) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const groupsData = properties.get(\"OCGs\");\n      if (!Array.isArray(groupsData)) {\n        return shadow(this, \"optionalContentConfig\", null);\n      }\n      const groups = [];\n      const groupRefs = [];\n      // Ensure all the optional content groups are valid.\n      for (const groupRef of groupsData) {\n        if (!isRef(groupRef)) {\n          continue;\n        }\n        groupRefs.push(groupRef);\n        const group = this.xref.fetchIfRef(groupRef);\n        groups.push({\n          id: groupRef.toString(),\n          name: isString(group.get(\"Name\"))\n            ? stringToPDFString(group.get(\"Name\"))\n            : null,\n          intent: isString(group.get(\"Intent\"))\n            ? stringToPDFString(group.get(\"Intent\"))\n            : null,\n        });\n      }\n      config = this._readOptionalContentConfig(defaultConfig, groupRefs);\n      config.groups = groups;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`Unable to read optional content config: ${ex}`);\n    }\n    return shadow(this, \"optionalContentConfig\", config);\n  }\n\n  _readOptionalContentConfig(config, contentGroupRefs) {\n    function parseOnOff(refs) {\n      const onParsed = [];\n      if (Array.isArray(refs)) {\n        for (const value of refs) {\n          if (!isRef(value)) {\n            continue;\n          }\n          if (contentGroupRefs.includes(value)) {\n            onParsed.push(value.toString());\n          }\n        }\n      }\n      return onParsed;\n    }\n\n    function parseOrder(refs, nestedLevels = 0) {\n      if (!Array.isArray(refs)) {\n        return null;\n      }\n      const order = [];\n\n      for (const value of refs) {\n        if (isRef(value) && contentGroupRefs.includes(value)) {\n          parsedOrderRefs.put(value); // Handle \"hidden\" groups, see below.\n\n          order.push(value.toString());\n          continue;\n        }\n        // Handle nested /Order arrays (see e.g. issue 9462 and bug 1240641).\n        const nestedOrder = parseNestedOrder(value, nestedLevels);\n        if (nestedOrder) {\n          order.push(nestedOrder);\n        }\n      }\n\n      if (nestedLevels > 0) {\n        return order;\n      }\n      const hiddenGroups = [];\n      for (const groupRef of contentGroupRefs) {\n        if (parsedOrderRefs.has(groupRef)) {\n          continue;\n        }\n        hiddenGroups.push(groupRef.toString());\n      }\n      if (hiddenGroups.length) {\n        order.push({ name: null, order: hiddenGroups });\n      }\n\n      return order;\n    }\n\n    function parseNestedOrder(ref, nestedLevels) {\n      if (++nestedLevels > MAX_NESTED_LEVELS) {\n        warn(\"parseNestedOrder - reached MAX_NESTED_LEVELS.\");\n        return null;\n      }\n      const value = xref.fetchIfRef(ref);\n      if (!Array.isArray(value)) {\n        return null;\n      }\n      const nestedName = xref.fetchIfRef(value[0]);\n      if (typeof nestedName !== \"string\") {\n        return null;\n      }\n      const nestedOrder = parseOrder(value.slice(1), nestedLevels);\n      if (!nestedOrder || !nestedOrder.length) {\n        return null;\n      }\n      return { name: stringToPDFString(nestedName), order: nestedOrder };\n    }\n\n    const xref = this.xref,\n      parsedOrderRefs = new RefSet(),\n      MAX_NESTED_LEVELS = 10;\n\n    return {\n      name: isString(config.get(\"Name\"))\n        ? stringToPDFString(config.get(\"Name\"))\n        : null,\n      creator: isString(config.get(\"Creator\"))\n        ? stringToPDFString(config.get(\"Creator\"))\n        : null,\n      baseState: isName(config.get(\"BaseState\"))\n        ? config.get(\"BaseState\").name\n        : null,\n      on: parseOnOff(config.get(\"ON\")),\n      off: parseOnOff(config.get(\"OFF\")),\n      order: parseOrder(config.get(\"Order\")),\n      groups: null,\n    };\n  }\n\n  get numPages() {\n    const obj = this.toplevelPagesDict.get(\"Count\");\n    if (!Number.isInteger(obj)) {\n      throw new FormatError(\n        \"Page count in top-level pages dictionary is not an integer.\"\n      );\n    }\n    return shadow(this, \"numPages\", obj);\n  }\n\n  get destinations() {\n    const obj = this._readDests(),\n      dests = Object.create(null);\n    if (obj instanceof NameTree) {\n      const names = obj.getAll();\n      for (const name in names) {\n        dests[name] = fetchDestination(names[name]);\n      }\n    } else if (obj instanceof Dict) {\n      obj.forEach(function (key, value) {\n        if (value) {\n          dests[key] = fetchDestination(value);\n        }\n      });\n    }\n    return shadow(this, \"destinations\", dests);\n  }\n\n  getDestination(destinationId) {\n    const obj = this._readDests();\n    if (obj instanceof NameTree || obj instanceof Dict) {\n      return fetchDestination(obj.get(destinationId) || null);\n    }\n    return null;\n  }\n\n  /**\n   * @private\n   */\n  _readDests() {\n    const obj = this._catDict.get(\"Names\");\n    if (obj && obj.has(\"Dests\")) {\n      return new NameTree(obj.getRaw(\"Dests\"), this.xref);\n    } else if (this._catDict.has(\"Dests\")) {\n      // Simple destination dictionary.\n      return this._catDict.get(\"Dests\");\n    }\n    return undefined;\n  }\n\n  get pageLabels() {\n    let obj = null;\n    try {\n      obj = this._readPageLabels();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(\"Unable to read page labels.\");\n    }\n    return shadow(this, \"pageLabels\", obj);\n  }\n\n  /**\n   * @private\n   */\n  _readPageLabels() {\n    const obj = this._catDict.getRaw(\"PageLabels\");\n    if (!obj) {\n      return null;\n    }\n\n    const pageLabels = new Array(this.numPages);\n    let style = null,\n      prefix = \"\";\n\n    const numberTree = new NumberTree(obj, this.xref);\n    const nums = numberTree.getAll();\n    let currentLabel = \"\",\n      currentIndex = 1;\n\n    for (let i = 0, ii = this.numPages; i < ii; i++) {\n      if (i in nums) {\n        const labelDict = nums[i];\n        if (!isDict(labelDict)) {\n          throw new FormatError(\"PageLabel is not a dictionary.\");\n        }\n\n        if (\n          labelDict.has(\"Type\") &&\n          !isName(labelDict.get(\"Type\"), \"PageLabel\")\n        ) {\n          throw new FormatError(\"Invalid type in PageLabel dictionary.\");\n        }\n\n        if (labelDict.has(\"S\")) {\n          const s = labelDict.get(\"S\");\n          if (!isName(s)) {\n            throw new FormatError(\"Invalid style in PageLabel dictionary.\");\n          }\n          style = s.name;\n        } else {\n          style = null;\n        }\n\n        if (labelDict.has(\"P\")) {\n          const p = labelDict.get(\"P\");\n          if (!isString(p)) {\n            throw new FormatError(\"Invalid prefix in PageLabel dictionary.\");\n          }\n          prefix = stringToPDFString(p);\n        } else {\n          prefix = \"\";\n        }\n\n        if (labelDict.has(\"St\")) {\n          const st = labelDict.get(\"St\");\n          if (!(Number.isInteger(st) && st >= 1)) {\n            throw new FormatError(\"Invalid start in PageLabel dictionary.\");\n          }\n          currentIndex = st;\n        } else {\n          currentIndex = 1;\n        }\n      }\n\n      switch (style) {\n        case \"D\":\n          currentLabel = currentIndex;\n          break;\n        case \"R\":\n        case \"r\":\n          currentLabel = toRomanNumerals(currentIndex, style === \"r\");\n          break;\n        case \"A\":\n        case \"a\":\n          const LIMIT = 26; // Use only the characters A-Z, or a-z.\n          const A_UPPER_CASE = 0x41,\n            A_LOWER_CASE = 0x61;\n\n          const baseCharCode = style === \"a\" ? A_LOWER_CASE : A_UPPER_CASE;\n          const letterIndex = currentIndex - 1;\n          const character = String.fromCharCode(\n            baseCharCode + (letterIndex % LIMIT)\n          );\n          const charBuf = [];\n          for (let j = 0, jj = (letterIndex / LIMIT) | 0; j <= jj; j++) {\n            charBuf.push(character);\n          }\n          currentLabel = charBuf.join(\"\");\n          break;\n        default:\n          if (style) {\n            throw new FormatError(\n              `Invalid style \"${style}\" in PageLabel dictionary.`\n            );\n          }\n          currentLabel = \"\";\n      }\n\n      pageLabels[i] = prefix + currentLabel;\n      currentIndex++;\n    }\n    return pageLabels;\n  }\n\n  get pageLayout() {\n    const obj = this._catDict.get(\"PageLayout\");\n    // Purposely use a non-standard default value, rather than 'SinglePage', to\n    // allow differentiating between `undefined` and /SinglePage since that does\n    // affect the Scroll mode (continuous/non-continuous) used in Adobe Reader.\n    let pageLayout = \"\";\n\n    if (isName(obj)) {\n      switch (obj.name) {\n        case \"SinglePage\":\n        case \"OneColumn\":\n        case \"TwoColumnLeft\":\n        case \"TwoColumnRight\":\n        case \"TwoPageLeft\":\n        case \"TwoPageRight\":\n          pageLayout = obj.name;\n      }\n    }\n    return shadow(this, \"pageLayout\", pageLayout);\n  }\n\n  get pageMode() {\n    const obj = this._catDict.get(\"PageMode\");\n    let pageMode = \"UseNone\"; // Default value.\n\n    if (isName(obj)) {\n      switch (obj.name) {\n        case \"UseNone\":\n        case \"UseOutlines\":\n        case \"UseThumbs\":\n        case \"FullScreen\":\n        case \"UseOC\":\n        case \"UseAttachments\":\n          pageMode = obj.name;\n      }\n    }\n    return shadow(this, \"pageMode\", pageMode);\n  }\n\n  get viewerPreferences() {\n    const ViewerPreferencesValidators = {\n      HideToolbar: isBool,\n      HideMenubar: isBool,\n      HideWindowUI: isBool,\n      FitWindow: isBool,\n      CenterWindow: isBool,\n      DisplayDocTitle: isBool,\n      NonFullScreenPageMode: isName,\n      Direction: isName,\n      ViewArea: isName,\n      ViewClip: isName,\n      PrintArea: isName,\n      PrintClip: isName,\n      PrintScaling: isName,\n      Duplex: isName,\n      PickTrayByPDFSize: isBool,\n      PrintPageRange: Array.isArray,\n      NumCopies: Number.isInteger,\n    };\n\n    const obj = this._catDict.get(\"ViewerPreferences\");\n    let prefs = null;\n\n    if (isDict(obj)) {\n      for (const key in ViewerPreferencesValidators) {\n        if (!obj.has(key)) {\n          continue;\n        }\n        const value = obj.get(key);\n        // Make sure the (standard) value conforms to the specification.\n        if (!ViewerPreferencesValidators[key](value)) {\n          info(`Bad value in ViewerPreferences for \"${key}\".`);\n          continue;\n        }\n        let prefValue;\n\n        switch (key) {\n          case \"NonFullScreenPageMode\":\n            switch (value.name) {\n              case \"UseNone\":\n              case \"UseOutlines\":\n              case \"UseThumbs\":\n              case \"UseOC\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"UseNone\";\n            }\n            break;\n          case \"Direction\":\n            switch (value.name) {\n              case \"L2R\":\n              case \"R2L\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"L2R\";\n            }\n            break;\n          case \"ViewArea\":\n          case \"ViewClip\":\n          case \"PrintArea\":\n          case \"PrintClip\":\n            switch (value.name) {\n              case \"MediaBox\":\n              case \"CropBox\":\n              case \"BleedBox\":\n              case \"TrimBox\":\n              case \"ArtBox\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"CropBox\";\n            }\n            break;\n          case \"PrintScaling\":\n            switch (value.name) {\n              case \"None\":\n              case \"AppDefault\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"AppDefault\";\n            }\n            break;\n          case \"Duplex\":\n            switch (value.name) {\n              case \"Simplex\":\n              case \"DuplexFlipShortEdge\":\n              case \"DuplexFlipLongEdge\":\n                prefValue = value.name;\n                break;\n              default:\n                prefValue = \"None\";\n            }\n            break;\n          case \"PrintPageRange\":\n            const length = value.length;\n            if (length % 2 !== 0) {\n              // The number of elements must be even.\n              break;\n            }\n            const isValid = value.every((page, i, arr) => {\n              return (\n                Number.isInteger(page) &&\n                page > 0 &&\n                (i === 0 || page >= arr[i - 1]) &&\n                page <= this.numPages\n              );\n            });\n            if (isValid) {\n              prefValue = value;\n            }\n            break;\n          case \"NumCopies\":\n            if (value > 0) {\n              prefValue = value;\n            }\n            break;\n          default:\n            if (typeof value !== \"boolean\") {\n              throw new FormatError(\n                `viewerPreferences - expected a boolean value for: ${key}`\n              );\n            }\n            prefValue = value;\n        }\n\n        if (prefValue !== undefined) {\n          if (!prefs) {\n            prefs = Object.create(null);\n          }\n          prefs[key] = prefValue;\n        } else {\n          info(`Bad value in ViewerPreferences for \"${key}\".`);\n        }\n      }\n    }\n    return shadow(this, \"viewerPreferences\", prefs);\n  }\n\n  /**\n   * NOTE: \"JavaScript\" actions are, for now, handled by `get javaScript` below.\n   */\n  get openAction() {\n    const obj = this._catDict.get(\"OpenAction\");\n    let openAction = null;\n\n    if (isDict(obj)) {\n      // Convert the OpenAction dictionary into a format that works with\n      // `parseDestDictionary`, to avoid having to re-implement those checks.\n      const destDict = new Dict(this.xref);\n      destDict.set(\"A\", obj);\n\n      const resultObj = { url: null, dest: null, action: null };\n      Catalog.parseDestDictionary({ destDict, resultObj });\n\n      if (Array.isArray(resultObj.dest)) {\n        if (!openAction) {\n          openAction = Object.create(null);\n        }\n        openAction.dest = resultObj.dest;\n      } else if (resultObj.action) {\n        if (!openAction) {\n          openAction = Object.create(null);\n        }\n        openAction.action = resultObj.action;\n      }\n    } else if (Array.isArray(obj)) {\n      if (!openAction) {\n        openAction = Object.create(null);\n      }\n      openAction.dest = obj;\n    }\n    return shadow(this, \"openAction\", openAction);\n  }\n\n  get attachments() {\n    const obj = this._catDict.get(\"Names\");\n    let attachments = null;\n\n    if (obj && obj.has(\"EmbeddedFiles\")) {\n      const nameTree = new NameTree(obj.getRaw(\"EmbeddedFiles\"), this.xref);\n      const names = nameTree.getAll();\n      for (const name in names) {\n        const fs = new FileSpec(names[name], this.xref);\n        if (!attachments) {\n          attachments = Object.create(null);\n        }\n        attachments[stringToPDFString(name)] = fs.serializable;\n      }\n    }\n    return shadow(this, \"attachments\", attachments);\n  }\n\n  get javaScript() {\n    const obj = this._catDict.get(\"Names\");\n\n    let javaScript = null;\n    function appendIfJavaScriptDict(jsDict) {\n      const type = jsDict.get(\"S\");\n      if (!isName(type, \"JavaScript\")) {\n        return;\n      }\n\n      let js = jsDict.get(\"JS\");\n      if (isStream(js)) {\n        js = bytesToString(js.getBytes());\n      } else if (!isString(js)) {\n        return;\n      }\n\n      if (!javaScript) {\n        javaScript = [];\n      }\n      javaScript.push(stringToPDFString(js));\n    }\n\n    if (obj && obj.has(\"JavaScript\")) {\n      const nameTree = new NameTree(obj.getRaw(\"JavaScript\"), this.xref);\n      const names = nameTree.getAll();\n      for (const name in names) {\n        // We don't use most JavaScript in PDF documents. This code is\n        // defensive so we don't cause errors on document load.\n        const jsDict = names[name];\n        if (isDict(jsDict)) {\n          appendIfJavaScriptDict(jsDict);\n        }\n      }\n    }\n\n    // Append OpenAction \"JavaScript\" actions to the JavaScript array.\n    const openAction = this._catDict.get(\"OpenAction\");\n    if (isDict(openAction) && isName(openAction.get(\"S\"), \"JavaScript\")) {\n      appendIfJavaScriptDict(openAction);\n    }\n\n    return shadow(this, \"javaScript\", javaScript);\n  }\n\n  fontFallback(id, handler) {\n    const promises = [];\n    this.fontCache.forEach(function (promise) {\n      promises.push(promise);\n    });\n\n    return Promise.all(promises).then(translatedFonts => {\n      for (const translatedFont of translatedFonts) {\n        if (translatedFont.loadedName === id) {\n          translatedFont.fallback(handler);\n          return;\n        }\n      }\n    });\n  }\n\n  cleanup(manuallyTriggered = false) {\n    clearPrimitiveCaches();\n    this.globalImageCache.clear(/* onlyData = */ manuallyTriggered);\n    this.pageKidsCountCache.clear();\n\n    const promises = [];\n    this.fontCache.forEach(function (promise) {\n      promises.push(promise);\n    });\n\n    return Promise.all(promises).then(translatedFonts => {\n      for (const { dict } of translatedFonts) {\n        delete dict.translated;\n      }\n      this.fontCache.clear();\n      this.builtInCMapCache.clear();\n    });\n  }\n\n  getPageDict(pageIndex) {\n    const capability = createPromiseCapability();\n    const nodesToVisit = [this._catDict.getRaw(\"Pages\")];\n    const visitedNodes = new RefSet();\n    const xref = this.xref,\n      pageKidsCountCache = this.pageKidsCountCache;\n    let count,\n      currentPageIndex = 0;\n\n    function next() {\n      while (nodesToVisit.length) {\n        const currentNode = nodesToVisit.pop();\n\n        if (isRef(currentNode)) {\n          count = pageKidsCountCache.get(currentNode);\n          // Skip nodes where the page can't be.\n          if (count > 0 && currentPageIndex + count < pageIndex) {\n            currentPageIndex += count;\n            continue;\n          }\n          // Prevent circular references in the /Pages tree.\n          if (visitedNodes.has(currentNode)) {\n            capability.reject(\n              new FormatError(\"Pages tree contains circular reference.\")\n            );\n            return;\n          }\n          visitedNodes.put(currentNode);\n\n          xref.fetchAsync(currentNode).then(function (obj) {\n            if (isDict(obj, \"Page\") || (isDict(obj) && !obj.has(\"Kids\"))) {\n              if (pageIndex === currentPageIndex) {\n                // Cache the Page reference, since it can *greatly* improve\n                // performance by reducing redundant lookups in long documents\n                // where all nodes are found at *one* level of the tree.\n                if (currentNode && !pageKidsCountCache.has(currentNode)) {\n                  pageKidsCountCache.put(currentNode, 1);\n                }\n                capability.resolve([obj, currentNode]);\n              } else {\n                currentPageIndex++;\n                next();\n              }\n              return;\n            }\n            nodesToVisit.push(obj);\n            next();\n          }, capability.reject);\n          return;\n        }\n\n        // Must be a child page dictionary.\n        if (!isDict(currentNode)) {\n          capability.reject(\n            new FormatError(\n              \"Page dictionary kid reference points to wrong type of object.\"\n            )\n          );\n          return;\n        }\n\n        count = currentNode.get(\"Count\");\n        if (Number.isInteger(count) && count >= 0) {\n          // Cache the Kids count, since it can reduce redundant lookups in\n          // documents where all nodes are found at *one* level of the tree.\n          const objId = currentNode.objId;\n          if (objId && !pageKidsCountCache.has(objId)) {\n            pageKidsCountCache.put(objId, count);\n          }\n          // Skip nodes where the page can't be.\n          if (currentPageIndex + count <= pageIndex) {\n            currentPageIndex += count;\n            continue;\n          }\n        }\n\n        const kids = currentNode.get(\"Kids\");\n        if (!Array.isArray(kids)) {\n          // Prevent errors in corrupt PDF documents that violate the\n          // specification by *inlining* Page dicts directly in the Kids\n          // array, rather than using indirect objects (fixes issue9540.pdf).\n          if (\n            isName(currentNode.get(\"Type\"), \"Page\") ||\n            (!currentNode.has(\"Type\") && currentNode.has(\"Contents\"))\n          ) {\n            if (currentPageIndex === pageIndex) {\n              capability.resolve([currentNode, null]);\n              return;\n            }\n            currentPageIndex++;\n            continue;\n          }\n\n          capability.reject(\n            new FormatError(\"Page dictionary kids object is not an array.\")\n          );\n          return;\n        }\n\n        // Always check all `Kids` nodes, to avoid getting stuck in an empty\n        // node further down in the tree (see issue5644.pdf, issue8088.pdf),\n        // and to ensure that we actually find the correct `Page` dict.\n        for (let last = kids.length - 1; last >= 0; last--) {\n          nodesToVisit.push(kids[last]);\n        }\n      }\n      capability.reject(new Error(`Page index ${pageIndex} not found.`));\n    }\n    next();\n    return capability.promise;\n  }\n\n  getPageIndex(pageRef) {\n    // The page tree nodes have the count of all the leaves below them. To get\n    // how many pages are before we just have to walk up the tree and keep\n    // adding the count of siblings to the left of the node.\n    const xref = this.xref;\n\n    function pagesBeforeRef(kidRef) {\n      let total = 0,\n        parentRef;\n\n      return xref\n        .fetchAsync(kidRef)\n        .then(function (node) {\n          if (\n            isRefsEqual(kidRef, pageRef) &&\n            !isDict(node, \"Page\") &&\n            !(isDict(node) && !node.has(\"Type\") && node.has(\"Contents\"))\n          ) {\n            throw new FormatError(\n              \"The reference does not point to a /Page dictionary.\"\n            );\n          }\n          if (!node) {\n            return null;\n          }\n          if (!isDict(node)) {\n            throw new FormatError(\"Node must be a dictionary.\");\n          }\n          parentRef = node.getRaw(\"Parent\");\n          return node.getAsync(\"Parent\");\n        })\n        .then(function (parent) {\n          if (!parent) {\n            return null;\n          }\n          if (!isDict(parent)) {\n            throw new FormatError(\"Parent must be a dictionary.\");\n          }\n          return parent.getAsync(\"Kids\");\n        })\n        .then(function (kids) {\n          if (!kids) {\n            return null;\n          }\n\n          const kidPromises = [];\n          let found = false;\n          for (let i = 0, ii = kids.length; i < ii; i++) {\n            const kid = kids[i];\n            if (!isRef(kid)) {\n              throw new FormatError(\"Kid must be a reference.\");\n            }\n            if (isRefsEqual(kid, kidRef)) {\n              found = true;\n              break;\n            }\n            kidPromises.push(\n              xref.fetchAsync(kid).then(function (obj) {\n                if (!isDict(obj)) {\n                  throw new FormatError(\"Kid node must be a dictionary.\");\n                }\n                if (obj.has(\"Count\")) {\n                  total += obj.get(\"Count\");\n                } else {\n                  // Page leaf node.\n                  total++;\n                }\n              })\n            );\n          }\n          if (!found) {\n            throw new FormatError(\"Kid reference not found in parent's kids.\");\n          }\n          return Promise.all(kidPromises).then(function () {\n            return [total, parentRef];\n          });\n        });\n    }\n\n    let total = 0;\n    function next(ref) {\n      return pagesBeforeRef(ref).then(function (args) {\n        if (!args) {\n          return total;\n        }\n        const [count, parentRef] = args;\n        total += count;\n        return next(parentRef);\n      });\n    }\n\n    return next(pageRef);\n  }\n\n  /**\n   * @typedef ParseDestDictionaryParameters\n   * @property {Dict} destDict - The dictionary containing the destination.\n   * @property {Object} resultObj - The object where the parsed destination\n   *   properties will be placed.\n   * @property {string} [docBaseUrl] - The document base URL that is used when\n   *   attempting to recover valid absolute URLs from relative ones.\n   */\n\n  /**\n   * Helper function used to parse the contents of destination dictionaries.\n   * @param {ParseDestDictionaryParameters} params\n   */\n  static parseDestDictionary(params) {\n    // Lets URLs beginning with 'www.' default to using the 'http://' protocol.\n    function addDefaultProtocolToUrl(url) {\n      return url.startsWith(\"www.\") ? `http://${url}` : url;\n    }\n\n    // According to ISO 32000-1:2008, section 12.6.4.7, URIs should be encoded\n    // in 7-bit ASCII. Some bad PDFs use UTF-8 encoding; see Bugzilla 1122280.\n    function tryConvertUrlEncoding(url) {\n      try {\n        return stringToUTF8String(url);\n      } catch (e) {\n        return url;\n      }\n    }\n\n    const destDict = params.destDict;\n    if (!isDict(destDict)) {\n      warn(\"parseDestDictionary: `destDict` must be a dictionary.\");\n      return;\n    }\n    const resultObj = params.resultObj;\n    if (typeof resultObj !== \"object\") {\n      warn(\"parseDestDictionary: `resultObj` must be an object.\");\n      return;\n    }\n    const docBaseUrl = params.docBaseUrl || null;\n\n    let action = destDict.get(\"A\"),\n      url,\n      dest;\n    if (!isDict(action) && destDict.has(\"Dest\")) {\n      // A /Dest entry should *only* contain a Name or an Array, but some bad\n      // PDF generators ignore that and treat it as an /A entry.\n      action = destDict.get(\"Dest\");\n    }\n\n    if (isDict(action)) {\n      const actionType = action.get(\"S\");\n      if (!isName(actionType)) {\n        warn(\"parseDestDictionary: Invalid type in Action dictionary.\");\n        return;\n      }\n      const actionName = actionType.name;\n\n      switch (actionName) {\n        case \"URI\":\n          url = action.get(\"URI\");\n          if (isName(url)) {\n            // Some bad PDFs do not put parentheses around relative URLs.\n            url = \"/\" + url.name;\n          } else if (isString(url)) {\n            url = addDefaultProtocolToUrl(url);\n          }\n          // TODO: pdf spec mentions urls can be relative to a Base\n          // entry in the dictionary.\n          break;\n\n        case \"GoTo\":\n          dest = action.get(\"D\");\n          break;\n\n        case \"Launch\":\n        // We neither want, nor can, support arbitrary 'Launch' actions.\n        // However, in practice they are mostly used for linking to other PDF\n        // files, which we thus attempt to support (utilizing `docBaseUrl`).\n        /* falls through */\n\n        case \"GoToR\":\n          const urlDict = action.get(\"F\");\n          if (isDict(urlDict)) {\n            // We assume that we found a FileSpec dictionary\n            // and fetch the URL without checking any further.\n            url = urlDict.get(\"F\") || null;\n          } else if (isString(urlDict)) {\n            url = urlDict;\n          }\n\n          // NOTE: the destination is relative to the *remote* document.\n          let remoteDest = action.get(\"D\");\n          if (remoteDest) {\n            if (isName(remoteDest)) {\n              remoteDest = remoteDest.name;\n            }\n            if (isString(url)) {\n              const baseUrl = url.split(\"#\")[0];\n              if (isString(remoteDest)) {\n                url = baseUrl + \"#\" + remoteDest;\n              } else if (Array.isArray(remoteDest)) {\n                url = baseUrl + \"#\" + JSON.stringify(remoteDest);\n              }\n            }\n          }\n          // The 'NewWindow' property, equal to `LinkTarget.BLANK`.\n          const newWindow = action.get(\"NewWindow\");\n          if (isBool(newWindow)) {\n            resultObj.newWindow = newWindow;\n          }\n          break;\n\n        case \"Named\":\n          const namedAction = action.get(\"N\");\n          if (isName(namedAction)) {\n            resultObj.action = namedAction.name;\n          }\n          break;\n\n        case \"JavaScript\":\n          const jsAction = action.get(\"JS\");\n          let js;\n\n          if (isStream(jsAction)) {\n            js = bytesToString(jsAction.getBytes());\n          } else if (isString(jsAction)) {\n            js = jsAction;\n          }\n\n          if (js) {\n            // Attempt to recover valid URLs from `JS` entries with certain\n            // white-listed formats:\n            //  - window.open('http://example.com')\n            //  - app.launchURL('http://example.com', true)\n            const URL_OPEN_METHODS = [\"app.launchURL\", \"window.open\"];\n            const regex = new RegExp(\n              \"^\\\\s*(\" +\n                URL_OPEN_METHODS.join(\"|\").split(\".\").join(\"\\\\.\") +\n                \")\\\\((?:'|\\\")([^'\\\"]*)(?:'|\\\")(?:,\\\\s*(\\\\w+)\\\\)|\\\\))\",\n              \"i\"\n            );\n\n            const jsUrl = regex.exec(stringToPDFString(js));\n            if (jsUrl && jsUrl[2]) {\n              url = jsUrl[2];\n\n              if (jsUrl[3] === \"true\" && jsUrl[1] === \"app.launchURL\") {\n                resultObj.newWindow = true;\n              }\n              break;\n            }\n          }\n        /* falls through */\n        default:\n          warn(`parseDestDictionary: unsupported action type \"${actionName}\".`);\n          break;\n      }\n    } else if (destDict.has(\"Dest\")) {\n      // Simple destination.\n      dest = destDict.get(\"Dest\");\n    }\n\n    if (isString(url)) {\n      url = tryConvertUrlEncoding(url);\n      const absoluteUrl = createValidAbsoluteUrl(url, docBaseUrl);\n      if (absoluteUrl) {\n        resultObj.url = absoluteUrl.href;\n      }\n      resultObj.unsafeUrl = url;\n    }\n    if (dest) {\n      if (isName(dest)) {\n        dest = dest.name;\n      }\n      if (isString(dest) || Array.isArray(dest)) {\n        resultObj.dest = dest;\n      }\n    }\n  }\n}\n\nvar XRef = (function XRefClosure() {\n  // eslint-disable-next-line no-shadow\n  function XRef(stream, pdfManager) {\n    this.stream = stream;\n    this.pdfManager = pdfManager;\n    this.entries = [];\n    this.xrefstms = Object.create(null);\n    this._cacheMap = new Map(); // Prepare the XRef cache.\n    this.stats = {\n      streamTypes: Object.create(null),\n      fontTypes: Object.create(null),\n    };\n    this._newRefNum = null;\n  }\n\n  XRef.prototype = {\n    getNewRef: function XRef_getNewRef() {\n      if (this._newRefNum === null) {\n        this._newRefNum = this.entries.length;\n      }\n      return Ref.get(this._newRefNum++, 0);\n    },\n\n    resetNewRef: function XRef_resetNewRef() {\n      this._newRefNum = null;\n    },\n\n    setStartXRef: function XRef_setStartXRef(startXRef) {\n      // Store the starting positions of xref tables as we process them\n      // so we can recover from missing data errors\n      this.startXRefQueue = [startXRef];\n    },\n\n    parse: function XRef_parse(recoveryMode) {\n      var trailerDict;\n      if (!recoveryMode) {\n        trailerDict = this.readXRef();\n      } else {\n        warn(\"Indexing all PDF objects\");\n        trailerDict = this.indexObjects();\n      }\n      trailerDict.assignXref(this);\n      this.trailer = trailerDict;\n\n      let encrypt;\n      try {\n        encrypt = trailerDict.get(\"Encrypt\");\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(`XRef.parse - Invalid \"Encrypt\" reference: \"${ex}\".`);\n      }\n      if (isDict(encrypt)) {\n        var ids = trailerDict.get(\"ID\");\n        var fileId = ids && ids.length ? ids[0] : \"\";\n        // The 'Encrypt' dictionary itself should not be encrypted, and by\n        // setting `suppressEncryption` we can prevent an infinite loop inside\n        // of `XRef_fetchUncompressed` if the dictionary contains indirect\n        // objects (fixes issue7665.pdf).\n        encrypt.suppressEncryption = true;\n        this.encrypt = new CipherTransformFactory(\n          encrypt,\n          fileId,\n          this.pdfManager.password\n        );\n      }\n\n      // Get the root dictionary (catalog) object, and do some basic validation.\n      let root;\n      try {\n        root = trailerDict.get(\"Root\");\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(`XRef.parse - Invalid \"Root\" reference: \"${ex}\".`);\n      }\n      if (isDict(root) && root.has(\"Pages\")) {\n        this.root = root;\n      } else {\n        if (!recoveryMode) {\n          throw new XRefParseException();\n        }\n        throw new FormatError(\"Invalid root reference\");\n      }\n    },\n\n    processXRefTable: function XRef_processXRefTable(parser) {\n      if (!(\"tableState\" in this)) {\n        // Stores state of the table as we process it so we can resume\n        // from middle of table in case of missing data error\n        this.tableState = {\n          entryNum: 0,\n          streamPos: parser.lexer.stream.pos,\n          parserBuf1: parser.buf1,\n          parserBuf2: parser.buf2,\n        };\n      }\n\n      var obj = this.readXRefTable(parser);\n\n      // Sanity check\n      if (!isCmd(obj, \"trailer\")) {\n        throw new FormatError(\n          \"Invalid XRef table: could not find trailer dictionary\"\n        );\n      }\n      // Read trailer dictionary, e.g.\n      // trailer\n      //    << /Size 22\n      //      /Root 20R\n      //      /Info 10R\n      //      /ID [ <81b14aafa313db63dbd6f981e49f94f4> ]\n      //    >>\n      // The parser goes through the entire stream << ... >> and provides\n      // a getter interface for the key-value table\n      var dict = parser.getObj();\n\n      // The pdflib PDF generator can generate a nested trailer dictionary\n      if (!isDict(dict) && dict.dict) {\n        dict = dict.dict;\n      }\n      if (!isDict(dict)) {\n        throw new FormatError(\n          \"Invalid XRef table: could not parse trailer dictionary\"\n        );\n      }\n      delete this.tableState;\n\n      return dict;\n    },\n\n    readXRefTable: function XRef_readXRefTable(parser) {\n      // Example of cross-reference table:\n      // xref\n      // 0 1                    <-- subsection header (first obj #, obj count)\n      // 0000000000 65535 f     <-- actual object (offset, generation #, f/n)\n      // 23 2                   <-- subsection header ... and so on ...\n      // 0000025518 00002 n\n      // 0000025635 00000 n\n      // trailer\n      // ...\n\n      var stream = parser.lexer.stream;\n      var tableState = this.tableState;\n      stream.pos = tableState.streamPos;\n      parser.buf1 = tableState.parserBuf1;\n      parser.buf2 = tableState.parserBuf2;\n\n      // Outer loop is over subsection headers\n      var obj;\n\n      while (true) {\n        if (!(\"firstEntryNum\" in tableState) || !(\"entryCount\" in tableState)) {\n          if (isCmd((obj = parser.getObj()), \"trailer\")) {\n            break;\n          }\n          tableState.firstEntryNum = obj;\n          tableState.entryCount = parser.getObj();\n        }\n\n        var first = tableState.firstEntryNum;\n        var count = tableState.entryCount;\n        if (!Number.isInteger(first) || !Number.isInteger(count)) {\n          throw new FormatError(\n            \"Invalid XRef table: wrong types in subsection header\"\n          );\n        }\n        // Inner loop is over objects themselves\n        for (var i = tableState.entryNum; i < count; i++) {\n          tableState.streamPos = stream.pos;\n          tableState.entryNum = i;\n          tableState.parserBuf1 = parser.buf1;\n          tableState.parserBuf2 = parser.buf2;\n\n          var entry = {};\n          entry.offset = parser.getObj();\n          entry.gen = parser.getObj();\n          var type = parser.getObj();\n\n          if (type instanceof Cmd) {\n            switch (type.cmd) {\n              case \"f\":\n                entry.free = true;\n                break;\n              case \"n\":\n                entry.uncompressed = true;\n                break;\n            }\n          }\n\n          // Validate entry obj\n          if (\n            !Number.isInteger(entry.offset) ||\n            !Number.isInteger(entry.gen) ||\n            !(entry.free || entry.uncompressed)\n          ) {\n            throw new FormatError(\n              `Invalid entry in XRef subsection: ${first}, ${count}`\n            );\n          }\n\n          // The first xref table entry, i.e. obj 0, should be free. Attempting\n          // to adjust an incorrect first obj # (fixes issue 3248 and 7229).\n          if (i === 0 && entry.free && first === 1) {\n            first = 0;\n          }\n\n          if (!this.entries[i + first]) {\n            this.entries[i + first] = entry;\n          }\n        }\n\n        tableState.entryNum = 0;\n        tableState.streamPos = stream.pos;\n        tableState.parserBuf1 = parser.buf1;\n        tableState.parserBuf2 = parser.buf2;\n        delete tableState.firstEntryNum;\n        delete tableState.entryCount;\n      }\n\n      // Sanity check: as per spec, first object must be free\n      if (this.entries[0] && !this.entries[0].free) {\n        throw new FormatError(\"Invalid XRef table: unexpected first object\");\n      }\n      return obj;\n    },\n\n    processXRefStream: function XRef_processXRefStream(stream) {\n      if (!(\"streamState\" in this)) {\n        // Stores state of the stream as we process it so we can resume\n        // from middle of stream in case of missing data error\n        var streamParameters = stream.dict;\n        var byteWidths = streamParameters.get(\"W\");\n        var range = streamParameters.get(\"Index\");\n        if (!range) {\n          range = [0, streamParameters.get(\"Size\")];\n        }\n\n        this.streamState = {\n          entryRanges: range,\n          byteWidths,\n          entryNum: 0,\n          streamPos: stream.pos,\n        };\n      }\n      this.readXRefStream(stream);\n      delete this.streamState;\n\n      return stream.dict;\n    },\n\n    readXRefStream: function XRef_readXRefStream(stream) {\n      var i, j;\n      var streamState = this.streamState;\n      stream.pos = streamState.streamPos;\n\n      var byteWidths = streamState.byteWidths;\n      var typeFieldWidth = byteWidths[0];\n      var offsetFieldWidth = byteWidths[1];\n      var generationFieldWidth = byteWidths[2];\n\n      var entryRanges = streamState.entryRanges;\n      while (entryRanges.length > 0) {\n        var first = entryRanges[0];\n        var n = entryRanges[1];\n\n        if (!Number.isInteger(first) || !Number.isInteger(n)) {\n          throw new FormatError(`Invalid XRef range fields: ${first}, ${n}`);\n        }\n        if (\n          !Number.isInteger(typeFieldWidth) ||\n          !Number.isInteger(offsetFieldWidth) ||\n          !Number.isInteger(generationFieldWidth)\n        ) {\n          throw new FormatError(\n            `Invalid XRef entry fields length: ${first}, ${n}`\n          );\n        }\n        for (i = streamState.entryNum; i < n; ++i) {\n          streamState.entryNum = i;\n          streamState.streamPos = stream.pos;\n\n          var type = 0,\n            offset = 0,\n            generation = 0;\n          for (j = 0; j < typeFieldWidth; ++j) {\n            type = (type << 8) | stream.getByte();\n          }\n          // if type field is absent, its default value is 1\n          if (typeFieldWidth === 0) {\n            type = 1;\n          }\n          for (j = 0; j < offsetFieldWidth; ++j) {\n            offset = (offset << 8) | stream.getByte();\n          }\n          for (j = 0; j < generationFieldWidth; ++j) {\n            generation = (generation << 8) | stream.getByte();\n          }\n          var entry = {};\n          entry.offset = offset;\n          entry.gen = generation;\n          switch (type) {\n            case 0:\n              entry.free = true;\n              break;\n            case 1:\n              entry.uncompressed = true;\n              break;\n            case 2:\n              break;\n            default:\n              throw new FormatError(`Invalid XRef entry type: ${type}`);\n          }\n          if (!this.entries[first + i]) {\n            this.entries[first + i] = entry;\n          }\n        }\n\n        streamState.entryNum = 0;\n        streamState.streamPos = stream.pos;\n        entryRanges.splice(0, 2);\n      }\n    },\n\n    indexObjects: function XRef_indexObjects() {\n      // Simple scan through the PDF content to find objects,\n      // trailers and XRef streams.\n      var TAB = 0x9,\n        LF = 0xa,\n        CR = 0xd,\n        SPACE = 0x20;\n      var PERCENT = 0x25,\n        LT = 0x3c;\n\n      function readToken(data, offset) {\n        var token = \"\",\n          ch = data[offset];\n        while (ch !== LF && ch !== CR && ch !== LT) {\n          if (++offset >= data.length) {\n            break;\n          }\n          token += String.fromCharCode(ch);\n          ch = data[offset];\n        }\n        return token;\n      }\n      function skipUntil(data, offset, what) {\n        var length = what.length,\n          dataLength = data.length;\n        var skipped = 0;\n        // finding byte sequence\n        while (offset < dataLength) {\n          var i = 0;\n          while (i < length && data[offset + i] === what[i]) {\n            ++i;\n          }\n          if (i >= length) {\n            break; // sequence found\n          }\n          offset++;\n          skipped++;\n        }\n        return skipped;\n      }\n      var objRegExp = /^(\\d+)\\s+(\\d+)\\s+obj\\b/;\n      const endobjRegExp = /\\bendobj[\\b\\s]$/;\n      const nestedObjRegExp = /\\s+(\\d+\\s+\\d+\\s+obj[\\b\\s<])$/;\n      const CHECK_CONTENT_LENGTH = 25;\n\n      var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);\n      // prettier-ignore\n      var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114,\n                                           101, 102]);\n      const objBytes = new Uint8Array([111, 98, 106]);\n      var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);\n\n      // Clear out any existing entries, since they may be bogus.\n      this.entries.length = 0;\n\n      var stream = this.stream;\n      stream.pos = 0;\n      var buffer = stream.getBytes();\n      var position = stream.start,\n        length = buffer.length;\n      var trailers = [],\n        xrefStms = [];\n      while (position < length) {\n        var ch = buffer[position];\n        if (ch === TAB || ch === LF || ch === CR || ch === SPACE) {\n          ++position;\n          continue;\n        }\n        if (ch === PERCENT) {\n          // %-comment\n          do {\n            ++position;\n            if (position >= length) {\n              break;\n            }\n            ch = buffer[position];\n          } while (ch !== LF && ch !== CR);\n          continue;\n        }\n        var token = readToken(buffer, position);\n        var m;\n        if (\n          token.startsWith(\"xref\") &&\n          (token.length === 4 || /\\s/.test(token[4]))\n        ) {\n          position += skipUntil(buffer, position, trailerBytes);\n          trailers.push(position);\n          position += skipUntil(buffer, position, startxrefBytes);\n        } else if ((m = objRegExp.exec(token))) {\n          const num = m[1] | 0,\n            gen = m[2] | 0;\n          if (!this.entries[num] || this.entries[num].gen === gen) {\n            this.entries[num] = {\n              offset: position - stream.start,\n              gen,\n              uncompressed: true,\n            };\n          }\n          let contentLength,\n            startPos = position + token.length;\n\n          // Find the next \"obj\" string, rather than \"endobj\", to ensure that\n          // we won't skip over a new 'obj' operator in corrupt files where\n          // 'endobj' operators are missing (fixes issue9105_reduced.pdf).\n          while (startPos < buffer.length) {\n            const endPos = startPos + skipUntil(buffer, startPos, objBytes) + 4;\n            contentLength = endPos - position;\n\n            const checkPos = Math.max(endPos - CHECK_CONTENT_LENGTH, startPos);\n            const tokenStr = bytesToString(buffer.subarray(checkPos, endPos));\n\n            // Check if the current object ends with an 'endobj' operator.\n            if (endobjRegExp.test(tokenStr)) {\n              break;\n            } else {\n              // Check if an \"obj\" occurrence is actually a new object,\n              // i.e. the current object is missing the 'endobj' operator.\n              const objToken = nestedObjRegExp.exec(tokenStr);\n\n              if (objToken && objToken[1]) {\n                warn(\n                  'indexObjects: Found new \"obj\" inside of another \"obj\", ' +\n                    'caused by missing \"endobj\" -- trying to recover.'\n                );\n                contentLength -= objToken[1].length;\n                break;\n              }\n            }\n            startPos = endPos;\n          }\n          const content = buffer.subarray(position, position + contentLength);\n\n          // checking XRef stream suspect\n          // (it shall have '/XRef' and next char is not a letter)\n          var xrefTagOffset = skipUntil(content, 0, xrefBytes);\n          if (\n            xrefTagOffset < contentLength &&\n            content[xrefTagOffset + 5] < 64\n          ) {\n            xrefStms.push(position - stream.start);\n            this.xrefstms[position - stream.start] = 1; // Avoid recursion\n          }\n\n          position += contentLength;\n        } else if (\n          token.startsWith(\"trailer\") &&\n          (token.length === 7 || /\\s/.test(token[7]))\n        ) {\n          trailers.push(position);\n          position += skipUntil(buffer, position, startxrefBytes);\n        } else {\n          position += token.length + 1;\n        }\n      }\n      // reading XRef streams\n      var i, ii;\n      for (i = 0, ii = xrefStms.length; i < ii; ++i) {\n        this.startXRefQueue.push(xrefStms[i]);\n        this.readXRef(/* recoveryMode */ true);\n      }\n      // finding main trailer\n      let trailerDict;\n      for (i = 0, ii = trailers.length; i < ii; ++i) {\n        stream.pos = trailers[i];\n        const parser = new Parser({\n          lexer: new Lexer(stream),\n          xref: this,\n          allowStreams: true,\n          recoveryMode: true,\n        });\n        var obj = parser.getObj();\n        if (!isCmd(obj, \"trailer\")) {\n          continue;\n        }\n        // read the trailer dictionary\n        const dict = parser.getObj();\n        if (!isDict(dict)) {\n          continue;\n        }\n        // Do some basic validation of the trailer/root dictionary candidate.\n        let rootDict;\n        try {\n          rootDict = dict.get(\"Root\");\n        } catch (ex) {\n          if (ex instanceof MissingDataException) {\n            throw ex;\n          }\n          continue;\n        }\n        if (!isDict(rootDict) || !rootDict.has(\"Pages\")) {\n          continue;\n        }\n        // taking the first one with 'ID'\n        if (dict.has(\"ID\")) {\n          return dict;\n        }\n        // The current dictionary is a candidate, but continue searching.\n        trailerDict = dict;\n      }\n      // No trailer with 'ID', taking last one (if exists).\n      if (trailerDict) {\n        return trailerDict;\n      }\n      // nothing helps\n      throw new InvalidPDFException(\"Invalid PDF structure.\");\n    },\n\n    readXRef: function XRef_readXRef(recoveryMode) {\n      var stream = this.stream;\n      // Keep track of already parsed XRef tables, to prevent an infinite loop\n      // when parsing corrupt PDF files where e.g. the /Prev entries create a\n      // circular dependency between tables (fixes bug1393476.pdf).\n      const startXRefParsedCache = Object.create(null);\n\n      try {\n        while (this.startXRefQueue.length) {\n          var startXRef = this.startXRefQueue[0];\n\n          if (startXRefParsedCache[startXRef]) {\n            warn(\"readXRef - skipping XRef table since it was already parsed.\");\n            this.startXRefQueue.shift();\n            continue;\n          }\n          startXRefParsedCache[startXRef] = true;\n\n          stream.pos = startXRef + stream.start;\n\n          const parser = new Parser({\n            lexer: new Lexer(stream),\n            xref: this,\n            allowStreams: true,\n          });\n          var obj = parser.getObj();\n          var dict;\n\n          // Get dictionary\n          if (isCmd(obj, \"xref\")) {\n            // Parse end-of-file XRef\n            dict = this.processXRefTable(parser);\n            if (!this.topDict) {\n              this.topDict = dict;\n            }\n\n            // Recursively get other XRefs 'XRefStm', if any\n            obj = dict.get(\"XRefStm\");\n            if (Number.isInteger(obj)) {\n              var pos = obj;\n              // ignore previously loaded xref streams\n              // (possible infinite recursion)\n              if (!(pos in this.xrefstms)) {\n                this.xrefstms[pos] = 1;\n                this.startXRefQueue.push(pos);\n              }\n            }\n          } else if (Number.isInteger(obj)) {\n            // Parse in-stream XRef\n            if (\n              !Number.isInteger(parser.getObj()) ||\n              !isCmd(parser.getObj(), \"obj\") ||\n              !isStream((obj = parser.getObj()))\n            ) {\n              throw new FormatError(\"Invalid XRef stream\");\n            }\n            dict = this.processXRefStream(obj);\n            if (!this.topDict) {\n              this.topDict = dict;\n            }\n            if (!dict) {\n              throw new FormatError(\"Failed to read XRef stream\");\n            }\n          } else {\n            throw new FormatError(\"Invalid XRef stream header\");\n          }\n\n          // Recursively get previous dictionary, if any\n          obj = dict.get(\"Prev\");\n          if (Number.isInteger(obj)) {\n            this.startXRefQueue.push(obj);\n          } else if (isRef(obj)) {\n            // The spec says Prev must not be a reference, i.e. \"/Prev NNN\"\n            // This is a fallback for non-compliant PDFs, i.e. \"/Prev NNN 0 R\"\n            this.startXRefQueue.push(obj.num);\n          }\n\n          this.startXRefQueue.shift();\n        }\n\n        return this.topDict;\n      } catch (e) {\n        if (e instanceof MissingDataException) {\n          throw e;\n        }\n        info(\"(while reading XRef): \" + e);\n      }\n\n      if (recoveryMode) {\n        return undefined;\n      }\n      throw new XRefParseException();\n    },\n\n    getEntry: function XRef_getEntry(i) {\n      var xrefEntry = this.entries[i];\n      if (xrefEntry && !xrefEntry.free && xrefEntry.offset) {\n        return xrefEntry;\n      }\n      return null;\n    },\n\n    fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) {\n      if (obj instanceof Ref) {\n        return this.fetch(obj, suppressEncryption);\n      }\n      return obj;\n    },\n\n    fetch: function XRef_fetch(ref, suppressEncryption) {\n      if (!(ref instanceof Ref)) {\n        throw new Error(\"ref object is not a reference\");\n      }\n      const num = ref.num;\n\n      // The XRef cache is populated with objects which are obtained through\n      // `Parser.getObj`, and indirectly via `Lexer.getObj`. Neither of these\n      // methods should ever return `undefined` (note the `assert` calls below).\n      const cacheEntry = this._cacheMap.get(num);\n      if (cacheEntry !== undefined) {\n        // In documents with Object Streams, it's possible that cached `Dict`s\n        // have not been assigned an `objId` yet (see e.g. issue3115r.pdf).\n        if (cacheEntry instanceof Dict && !cacheEntry.objId) {\n          cacheEntry.objId = ref.toString();\n        }\n        return cacheEntry;\n      }\n      let xrefEntry = this.getEntry(num);\n\n      if (xrefEntry === null) {\n        // The referenced entry can be free.\n        this._cacheMap.set(num, xrefEntry);\n        return xrefEntry;\n      }\n\n      if (xrefEntry.uncompressed) {\n        xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption);\n      } else {\n        xrefEntry = this.fetchCompressed(ref, xrefEntry, suppressEncryption);\n      }\n      if (isDict(xrefEntry)) {\n        xrefEntry.objId = ref.toString();\n      } else if (isStream(xrefEntry)) {\n        xrefEntry.dict.objId = ref.toString();\n      }\n      return xrefEntry;\n    },\n\n    fetchUncompressed(ref, xrefEntry, suppressEncryption = false) {\n      var gen = ref.gen;\n      var num = ref.num;\n      if (xrefEntry.gen !== gen) {\n        throw new XRefEntryException(`Inconsistent generation in XRef: ${ref}`);\n      }\n      var stream = this.stream.makeSubStream(\n        xrefEntry.offset + this.stream.start\n      );\n      const parser = new Parser({\n        lexer: new Lexer(stream),\n        xref: this,\n        allowStreams: true,\n      });\n      var obj1 = parser.getObj();\n      var obj2 = parser.getObj();\n      var obj3 = parser.getObj();\n\n      if (obj1 !== num || obj2 !== gen || !(obj3 instanceof Cmd)) {\n        throw new XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);\n      }\n      if (obj3.cmd !== \"obj\") {\n        // some bad PDFs use \"obj1234\" and really mean 1234\n        if (obj3.cmd.startsWith(\"obj\")) {\n          num = parseInt(obj3.cmd.substring(3), 10);\n          if (!Number.isNaN(num)) {\n            return num;\n          }\n        }\n        throw new XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);\n      }\n      if (this.encrypt && !suppressEncryption) {\n        xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen));\n      } else {\n        xrefEntry = parser.getObj();\n      }\n      if (!isStream(xrefEntry)) {\n        if (\n          typeof PDFJSDev === \"undefined\" ||\n          PDFJSDev.test(\"!PRODUCTION || TESTING\")\n        ) {\n          assert(\n            xrefEntry !== undefined,\n            'fetchUncompressed: The \"xrefEntry\" cannot be undefined.'\n          );\n        }\n        this._cacheMap.set(num, xrefEntry);\n      }\n      return xrefEntry;\n    },\n\n    fetchCompressed(ref, xrefEntry, suppressEncryption = false) {\n      const tableOffset = xrefEntry.offset;\n      const stream = this.fetch(Ref.get(tableOffset, 0));\n      if (!isStream(stream)) {\n        throw new FormatError(\"bad ObjStm stream\");\n      }\n      const first = stream.dict.get(\"First\");\n      const n = stream.dict.get(\"N\");\n      if (!Number.isInteger(first) || !Number.isInteger(n)) {\n        throw new FormatError(\n          \"invalid first and n parameters for ObjStm stream\"\n        );\n      }\n      const parser = new Parser({\n        lexer: new Lexer(stream),\n        xref: this,\n        allowStreams: true,\n      });\n      const nums = new Array(n);\n      // read the object numbers to populate cache\n      for (let i = 0; i < n; ++i) {\n        const num = parser.getObj();\n        if (!Number.isInteger(num)) {\n          throw new FormatError(\n            `invalid object number in the ObjStm stream: ${num}`\n          );\n        }\n        const offset = parser.getObj();\n        if (!Number.isInteger(offset)) {\n          throw new FormatError(\n            `invalid object offset in the ObjStm stream: ${offset}`\n          );\n        }\n        nums[i] = num;\n      }\n      const entries = new Array(n);\n      // read stream objects for cache\n      for (let i = 0; i < n; ++i) {\n        const obj = parser.getObj();\n        entries[i] = obj;\n        // The ObjStm should not contain 'endobj'. If it's present, skip over it\n        // to support corrupt PDFs (fixes issue 5241, bug 898610, bug 1037816).\n        if (parser.buf1 instanceof Cmd && parser.buf1.cmd === \"endobj\") {\n          parser.shift();\n        }\n        if (isStream(obj)) {\n          continue;\n        }\n        const num = nums[i],\n          entry = this.entries[num];\n        if (entry && entry.offset === tableOffset && entry.gen === i) {\n          if (\n            typeof PDFJSDev === \"undefined\" ||\n            PDFJSDev.test(\"!PRODUCTION || TESTING\")\n          ) {\n            assert(\n              obj !== undefined,\n              'fetchCompressed: The \"obj\" cannot be undefined.'\n            );\n          }\n          this._cacheMap.set(num, obj);\n        }\n      }\n      xrefEntry = entries[xrefEntry.gen];\n      if (xrefEntry === undefined) {\n        throw new XRefEntryException(`Bad (compressed) XRef entry: ${ref}`);\n      }\n      return xrefEntry;\n    },\n\n    async fetchIfRefAsync(obj, suppressEncryption) {\n      if (obj instanceof Ref) {\n        return this.fetchAsync(obj, suppressEncryption);\n      }\n      return obj;\n    },\n\n    async fetchAsync(ref, suppressEncryption) {\n      try {\n        return this.fetch(ref, suppressEncryption);\n      } catch (ex) {\n        if (!(ex instanceof MissingDataException)) {\n          throw ex;\n        }\n        await this.pdfManager.requestRange(ex.begin, ex.end);\n        return this.fetchAsync(ref, suppressEncryption);\n      }\n    },\n\n    getCatalogObj: function XRef_getCatalogObj() {\n      return this.root;\n    },\n  };\n\n  return XRef;\n})();\n\n/**\n * A NameTree/NumberTree is like a Dict but has some advantageous properties,\n * see the specification (7.9.6 and 7.9.7) for additional details.\n * TODO: implement all the Dict functions and make this more efficient.\n */\nclass NameOrNumberTree {\n  constructor(root, xref, type) {\n    if (this.constructor === NameOrNumberTree) {\n      unreachable(\"Cannot initialize NameOrNumberTree.\");\n    }\n    this.root = root;\n    this.xref = xref;\n    this._type = type;\n  }\n\n  getAll() {\n    const dict = Object.create(null);\n    if (!this.root) {\n      return dict;\n    }\n    const xref = this.xref;\n    // Reading Name/Number tree.\n    const processed = new RefSet();\n    processed.put(this.root);\n    const queue = [this.root];\n    while (queue.length > 0) {\n      const obj = xref.fetchIfRef(queue.shift());\n      if (!isDict(obj)) {\n        continue;\n      }\n      if (obj.has(\"Kids\")) {\n        const kids = obj.get(\"Kids\");\n        for (let i = 0, ii = kids.length; i < ii; i++) {\n          const kid = kids[i];\n          if (processed.has(kid)) {\n            throw new FormatError(`Duplicate entry in \"${this._type}\" tree.`);\n          }\n          queue.push(kid);\n          processed.put(kid);\n        }\n        continue;\n      }\n      const entries = obj.get(this._type);\n      if (Array.isArray(entries)) {\n        for (let i = 0, ii = entries.length; i < ii; i += 2) {\n          dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]);\n        }\n      }\n    }\n    return dict;\n  }\n\n  get(key) {\n    if (!this.root) {\n      return null;\n    }\n    const xref = this.xref;\n    let kidsOrEntries = xref.fetchIfRef(this.root);\n    let loopCount = 0;\n    const MAX_LEVELS = 10;\n\n    // Perform a binary search to quickly find the entry that\n    // contains the key we are looking for.\n    while (kidsOrEntries.has(\"Kids\")) {\n      if (++loopCount > MAX_LEVELS) {\n        warn(`Search depth limit reached for \"${this._type}\" tree.`);\n        return null;\n      }\n\n      const kids = kidsOrEntries.get(\"Kids\");\n      if (!Array.isArray(kids)) {\n        return null;\n      }\n\n      let l = 0,\n        r = kids.length - 1;\n      while (l <= r) {\n        const m = (l + r) >> 1;\n        const kid = xref.fetchIfRef(kids[m]);\n        const limits = kid.get(\"Limits\");\n\n        if (key < xref.fetchIfRef(limits[0])) {\n          r = m - 1;\n        } else if (key > xref.fetchIfRef(limits[1])) {\n          l = m + 1;\n        } else {\n          kidsOrEntries = xref.fetchIfRef(kids[m]);\n          break;\n        }\n      }\n      if (l > r) {\n        return null;\n      }\n    }\n\n    // If we get here, then we have found the right entry. Now go through the\n    // entries in the dictionary until we find the key we're looking for.\n    const entries = kidsOrEntries.get(this._type);\n    if (Array.isArray(entries)) {\n      // Perform a binary search to reduce the lookup time.\n      let l = 0,\n        r = entries.length - 2;\n      while (l <= r) {\n        // Check only even indices (0, 2, 4, ...) because the\n        // odd indices contain the actual data.\n        const tmp = (l + r) >> 1,\n          m = tmp + (tmp & 1);\n        const currentKey = xref.fetchIfRef(entries[m]);\n        if (key < currentKey) {\n          r = m - 2;\n        } else if (key > currentKey) {\n          l = m + 2;\n        } else {\n          return xref.fetchIfRef(entries[m + 1]);\n        }\n      }\n\n      // Fallback to an exhaustive search, in an attempt to handle corrupt\n      // PDF files where keys are not correctly ordered (fixes issue 10272).\n      info(\n        `Falling back to an exhaustive search, for key \"${key}\", ` +\n          `in \"${this._type}\" tree.`\n      );\n      for (let m = 0, mm = entries.length; m < mm; m += 2) {\n        const currentKey = xref.fetchIfRef(entries[m]);\n        if (currentKey === key) {\n          warn(\n            `The \"${key}\" key was found at an incorrect, ` +\n              `i.e. out-of-order, position in \"${this._type}\" tree.`\n          );\n          return xref.fetchIfRef(entries[m + 1]);\n        }\n      }\n    }\n    return null;\n  }\n}\n\nclass NameTree extends NameOrNumberTree {\n  constructor(root, xref) {\n    super(root, xref, \"Names\");\n  }\n}\n\nclass NumberTree extends NameOrNumberTree {\n  constructor(root, xref) {\n    super(root, xref, \"Nums\");\n  }\n}\n\n/**\n * \"A PDF file can refer to the contents of another file by using a File\n * Specification (PDF 1.1)\", see the spec (7.11) for more details.\n * NOTE: Only embedded files are supported (as part of the attachments support)\n * TODO: support the 'URL' file system (with caching if !/V), portable\n * collections attributes and related files (/RF)\n */\nvar FileSpec = (function FileSpecClosure() {\n  // eslint-disable-next-line no-shadow\n  function FileSpec(root, xref) {\n    if (!root || !isDict(root)) {\n      return;\n    }\n    this.xref = xref;\n    this.root = root;\n    if (root.has(\"FS\")) {\n      this.fs = root.get(\"FS\");\n    }\n    this.description = root.has(\"Desc\")\n      ? stringToPDFString(root.get(\"Desc\"))\n      : \"\";\n    if (root.has(\"RF\")) {\n      warn(\"Related file specifications are not supported\");\n    }\n    this.contentAvailable = true;\n    if (!root.has(\"EF\")) {\n      this.contentAvailable = false;\n      warn(\"Non-embedded file specifications are not supported\");\n    }\n  }\n\n  function pickPlatformItem(dict) {\n    // Look for the filename in this order:\n    // UF, F, Unix, Mac, DOS\n    if (dict.has(\"UF\")) {\n      return dict.get(\"UF\");\n    } else if (dict.has(\"F\")) {\n      return dict.get(\"F\");\n    } else if (dict.has(\"Unix\")) {\n      return dict.get(\"Unix\");\n    } else if (dict.has(\"Mac\")) {\n      return dict.get(\"Mac\");\n    } else if (dict.has(\"DOS\")) {\n      return dict.get(\"DOS\");\n    }\n    return null;\n  }\n\n  FileSpec.prototype = {\n    get filename() {\n      if (!this._filename && this.root) {\n        var filename = pickPlatformItem(this.root) || \"unnamed\";\n        this._filename = stringToPDFString(filename)\n          .replace(/\\\\\\\\/g, \"\\\\\")\n          .replace(/\\\\\\//g, \"/\")\n          .replace(/\\\\/g, \"/\");\n      }\n      return this._filename;\n    },\n    get content() {\n      if (!this.contentAvailable) {\n        return null;\n      }\n      if (!this.contentRef && this.root) {\n        this.contentRef = pickPlatformItem(this.root.get(\"EF\"));\n      }\n      var content = null;\n      if (this.contentRef) {\n        var xref = this.xref;\n        var fileObj = xref.fetchIfRef(this.contentRef);\n        if (fileObj && isStream(fileObj)) {\n          content = fileObj.getBytes();\n        } else {\n          warn(\n            \"Embedded file specification points to non-existing/invalid \" +\n              \"content\"\n          );\n        }\n      } else {\n        warn(\"Embedded file specification does not have a content\");\n      }\n      return content;\n    },\n    get serializable() {\n      return {\n        filename: this.filename,\n        content: this.content,\n      };\n    },\n  };\n  return FileSpec;\n})();\n\n/**\n * A helper for loading missing data in `Dict` graphs. It traverses the graph\n * depth first and queues up any objects that have missing data. Once it has\n * has traversed as many objects that are available it attempts to bundle the\n * missing data requests and then resume from the nodes that weren't ready.\n *\n * NOTE: It provides protection from circular references by keeping track of\n * loaded references. However, you must be careful not to load any graphs\n * that have references to the catalog or other pages since that will cause the\n * entire PDF document object graph to be traversed.\n */\nconst ObjectLoader = (function () {\n  function mayHaveChildren(value) {\n    return (\n      value instanceof Ref ||\n      value instanceof Dict ||\n      Array.isArray(value) ||\n      isStream(value)\n    );\n  }\n\n  function addChildren(node, nodesToVisit) {\n    if (node instanceof Dict) {\n      node = node.getRawValues();\n    } else if (isStream(node)) {\n      node = node.dict.getRawValues();\n    } else if (!Array.isArray(node)) {\n      return;\n    }\n    for (const rawValue of node) {\n      if (mayHaveChildren(rawValue)) {\n        nodesToVisit.push(rawValue);\n      }\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function ObjectLoader(dict, keys, xref) {\n    this.dict = dict;\n    this.keys = keys;\n    this.xref = xref;\n    this.refSet = null;\n  }\n\n  ObjectLoader.prototype = {\n    async load() {\n      // Don't walk the graph if all the data is already loaded; note that only\n      // `ChunkedStream` instances have a `allChunksLoaded` method.\n      if (\n        !this.xref.stream.allChunksLoaded ||\n        this.xref.stream.allChunksLoaded()\n      ) {\n        return undefined;\n      }\n\n      const { keys, dict } = this;\n      this.refSet = new RefSet();\n      // Setup the initial nodes to visit.\n      const nodesToVisit = [];\n      for (let i = 0, ii = keys.length; i < ii; i++) {\n        const rawValue = dict.getRaw(keys[i]);\n        // Skip nodes that are guaranteed to be empty.\n        if (rawValue !== undefined) {\n          nodesToVisit.push(rawValue);\n        }\n      }\n      return this._walk(nodesToVisit);\n    },\n\n    async _walk(nodesToVisit) {\n      const nodesToRevisit = [];\n      const pendingRequests = [];\n      // DFS walk of the object graph.\n      while (nodesToVisit.length) {\n        let currentNode = nodesToVisit.pop();\n\n        // Only references or chunked streams can cause missing data exceptions.\n        if (currentNode instanceof Ref) {\n          // Skip nodes that have already been visited.\n          if (this.refSet.has(currentNode)) {\n            continue;\n          }\n          try {\n            this.refSet.put(currentNode);\n            currentNode = this.xref.fetch(currentNode);\n          } catch (ex) {\n            if (!(ex instanceof MissingDataException)) {\n              throw ex;\n            }\n            nodesToRevisit.push(currentNode);\n            pendingRequests.push({ begin: ex.begin, end: ex.end });\n          }\n        }\n        if (currentNode && currentNode.getBaseStreams) {\n          const baseStreams = currentNode.getBaseStreams();\n          let foundMissingData = false;\n          for (let i = 0, ii = baseStreams.length; i < ii; i++) {\n            const stream = baseStreams[i];\n            if (stream.allChunksLoaded && !stream.allChunksLoaded()) {\n              foundMissingData = true;\n              pendingRequests.push({ begin: stream.start, end: stream.end });\n            }\n          }\n          if (foundMissingData) {\n            nodesToRevisit.push(currentNode);\n          }\n        }\n\n        addChildren(currentNode, nodesToVisit);\n      }\n\n      if (pendingRequests.length) {\n        await this.xref.stream.manager.requestRanges(pendingRequests);\n\n        for (let i = 0, ii = nodesToRevisit.length; i < ii; i++) {\n          const node = nodesToRevisit[i];\n          // Remove any reference nodes from the current `RefSet` so they\n          // aren't skipped when we revist them.\n          if (node instanceof Ref) {\n            this.refSet.remove(node);\n          }\n        }\n        return this._walk(nodesToRevisit);\n      }\n      // Everything is loaded.\n      this.refSet = null;\n      return undefined;\n    },\n  };\n\n  return ObjectLoader;\n})();\n\nexport { Catalog, ObjectLoader, XRef, FileSpec };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  Ascii85Stream,\n  AsciiHexStream,\n  FlateStream,\n  LZWStream,\n  NullStream,\n  PredictorStream,\n  RunLengthStream,\n} from \"./stream.js\";\nimport {\n  assert,\n  bytesToString,\n  FormatError,\n  info,\n  isNum,\n  StreamType,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  Cmd,\n  Dict,\n  EOF,\n  isCmd,\n  isDict,\n  isEOF,\n  isName,\n  Name,\n  Ref,\n} from \"./primitives.js\";\nimport { isWhiteSpace, MissingDataException } from \"./core_utils.js\";\nimport { CCITTFaxStream } from \"./ccitt_stream.js\";\nimport { Jbig2Stream } from \"./jbig2_stream.js\";\nimport { JpegStream } from \"./jpeg_stream.js\";\nimport { JpxStream } from \"./jpx_stream.js\";\n\nconst MAX_LENGTH_TO_CACHE = 1000;\nconst MAX_ADLER32_LENGTH = 5552;\n\nfunction computeAdler32(bytes) {\n  const bytesLength = bytes.length;\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      bytesLength < MAX_ADLER32_LENGTH,\n      'computeAdler32: Unsupported \"bytes\" length.'\n    );\n  }\n  let a = 1,\n    b = 0;\n  for (let i = 0; i < bytesLength; ++i) {\n    // No modulo required in the loop if `bytesLength < 5552`.\n    a += bytes[i] & 0xff;\n    b += a;\n  }\n  return (b % 65521 << 16) | a % 65521;\n}\n\nclass Parser {\n  constructor({ lexer, xref, allowStreams = false, recoveryMode = false }) {\n    this.lexer = lexer;\n    this.xref = xref;\n    this.allowStreams = allowStreams;\n    this.recoveryMode = recoveryMode;\n\n    this.imageCache = Object.create(null);\n    this.refill();\n  }\n\n  refill() {\n    this.buf1 = this.lexer.getObj();\n    this.buf2 = this.lexer.getObj();\n  }\n\n  shift() {\n    if (this.buf2 instanceof Cmd && this.buf2.cmd === \"ID\") {\n      this.buf1 = this.buf2;\n      this.buf2 = null;\n    } else {\n      this.buf1 = this.buf2;\n      this.buf2 = this.lexer.getObj();\n    }\n  }\n\n  tryShift() {\n    try {\n      this.shift();\n      return true;\n    } catch (e) {\n      if (e instanceof MissingDataException) {\n        throw e;\n      }\n      // Upon failure, the caller should reset this.lexer.pos to a known good\n      // state and call this.shift() twice to reset the buffers.\n      return false;\n    }\n  }\n\n  getObj(cipherTransform = null) {\n    const buf1 = this.buf1;\n    this.shift();\n\n    if (buf1 instanceof Cmd) {\n      switch (buf1.cmd) {\n        case \"BI\": // inline image\n          return this.makeInlineImage(cipherTransform);\n        case \"[\": // array\n          const array = [];\n          while (!isCmd(this.buf1, \"]\") && !isEOF(this.buf1)) {\n            array.push(this.getObj(cipherTransform));\n          }\n          if (isEOF(this.buf1)) {\n            if (!this.recoveryMode) {\n              throw new FormatError(\"End of file inside array\");\n            }\n            return array;\n          }\n          this.shift();\n          return array;\n        case \"<<\": // dictionary or stream\n          const dict = new Dict(this.xref);\n          while (!isCmd(this.buf1, \">>\") && !isEOF(this.buf1)) {\n            if (!isName(this.buf1)) {\n              info(\"Malformed dictionary: key must be a name object\");\n              this.shift();\n              continue;\n            }\n\n            const key = this.buf1.name;\n            this.shift();\n            if (isEOF(this.buf1)) {\n              break;\n            }\n            dict.set(key, this.getObj(cipherTransform));\n          }\n          if (isEOF(this.buf1)) {\n            if (!this.recoveryMode) {\n              throw new FormatError(\"End of file inside dictionary\");\n            }\n            return dict;\n          }\n\n          // Stream objects are not allowed inside content streams or\n          // object streams.\n          if (isCmd(this.buf2, \"stream\")) {\n            return this.allowStreams\n              ? this.makeStream(dict, cipherTransform)\n              : dict;\n          }\n          this.shift();\n          return dict;\n        default:\n          // simple object\n          return buf1;\n      }\n    }\n\n    if (Number.isInteger(buf1)) {\n      // indirect reference or integer\n      if (Number.isInteger(this.buf1) && isCmd(this.buf2, \"R\")) {\n        const ref = Ref.get(buf1, this.buf1);\n        this.shift();\n        this.shift();\n        return ref;\n      }\n      return buf1;\n    }\n\n    if (typeof buf1 === \"string\") {\n      if (cipherTransform) {\n        return cipherTransform.decryptString(buf1);\n      }\n      return buf1;\n    }\n\n    // simple object\n    return buf1;\n  }\n\n  /**\n   * Find the end of the stream by searching for the /EI\\s/.\n   * @returns {number} The inline stream length.\n   */\n  findDefaultInlineStreamEnd(stream) {\n    const E = 0x45,\n      I = 0x49,\n      SPACE = 0x20,\n      LF = 0xa,\n      CR = 0xd,\n      NUL = 0x0;\n    const lexer = this.lexer,\n      startPos = stream.pos,\n      n = 10;\n    let state = 0,\n      ch,\n      maybeEIPos;\n    while ((ch = stream.getByte()) !== -1) {\n      if (state === 0) {\n        state = ch === E ? 1 : 0;\n      } else if (state === 1) {\n        state = ch === I ? 2 : 0;\n      } else {\n        assert(state === 2, \"findDefaultInlineStreamEnd - invalid state.\");\n        if (ch === SPACE || ch === LF || ch === CR) {\n          maybeEIPos = stream.pos;\n          // Let's check that the next `n` bytes are ASCII... just to be sure.\n          const followingBytes = stream.peekBytes(n);\n          for (let i = 0, ii = followingBytes.length; i < ii; i++) {\n            ch = followingBytes[i];\n            if (ch === NUL && followingBytes[i + 1] !== NUL) {\n              // NUL bytes are not supposed to occur *outside* of inline\n              // images, but some PDF generators violate that assumption,\n              // thus breaking the EI detection heuristics used below.\n              //\n              // However, we can't unconditionally treat NUL bytes as \"ASCII\",\n              // since that *could* result in inline images being truncated.\n              //\n              // To attempt to address this, we'll still treat any *sequence*\n              // of NUL bytes as non-ASCII, but for a *single* NUL byte we'll\n              // continue checking the `followingBytes` (fixes issue8823.pdf).\n              continue;\n            }\n            if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7f)) {\n              // Not a LF, CR, SPACE or any visible ASCII character, i.e.\n              // it's binary stuff. Resetting the state.\n              state = 0;\n              break;\n            }\n          }\n\n          if (state !== 2) {\n            continue;\n          }\n          // Check that the \"EI\" sequence isn't part of the image data, since\n          // that would cause the image to be truncated (fixes issue11124.pdf).\n          if (lexer.knownCommands) {\n            const nextObj = lexer.peekObj();\n            if (nextObj instanceof Cmd && !lexer.knownCommands[nextObj.cmd]) {\n              // Not a valid command, i.e. the inline image data *itself*\n              // contains an \"EI\" sequence. Resetting the state.\n              state = 0;\n            }\n          } else {\n            warn(\n              \"findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.\"\n            );\n          }\n\n          if (state === 2) {\n            break; // Finished!\n          }\n        } else {\n          state = 0;\n        }\n      }\n    }\n\n    if (ch === -1) {\n      warn(\n        \"findDefaultInlineStreamEnd: \" +\n          \"Reached the end of the stream without finding a valid EI marker\"\n      );\n      if (maybeEIPos) {\n        warn('... trying to recover by using the last \"EI\" occurrence.');\n        stream.skip(-(stream.pos - maybeEIPos)); // Reset the stream position.\n      }\n    }\n\n    let endOffset = 4;\n    stream.skip(-endOffset); // Set the stream position to just before \"EI\".\n    ch = stream.peekByte();\n    stream.skip(endOffset); // ... and remember to reset the stream position.\n\n    // Ensure that we don't accidentally truncate the inline image, when the\n    // data is immediately followed by the \"EI\" marker (fixes issue10388.pdf).\n    if (!isWhiteSpace(ch)) {\n      endOffset--;\n    }\n    return stream.pos - endOffset - startPos;\n  }\n\n  /**\n   * Find the EOI (end-of-image) marker 0xFFD9 of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findDCTDecodeInlineStreamEnd(stream) {\n    const startPos = stream.pos;\n    let foundEOI = false,\n      b,\n      markerLength;\n    while ((b = stream.getByte()) !== -1) {\n      if (b !== 0xff) {\n        // Not a valid marker.\n        continue;\n      }\n      switch (stream.getByte()) {\n        case 0x00: // Byte stuffing.\n          // 0xFF00 appears to be a very common byte sequence in JPEG images.\n          break;\n\n        case 0xff: // Fill byte.\n          // Avoid skipping a valid marker, resetting the stream position.\n          stream.skip(-1);\n          break;\n\n        case 0xd9: // EOI\n          foundEOI = true;\n          break;\n\n        case 0xc0: // SOF0\n        case 0xc1: // SOF1\n        case 0xc2: // SOF2\n        case 0xc3: // SOF3\n        /* falls through */\n        case 0xc5: // SOF5\n        case 0xc6: // SOF6\n        case 0xc7: // SOF7\n        /* falls through */\n        case 0xc9: // SOF9\n        case 0xca: // SOF10\n        case 0xcb: // SOF11\n        /* falls through */\n        case 0xcd: // SOF13\n        case 0xce: // SOF14\n        case 0xcf: // SOF15\n        /* falls through */\n        case 0xc4: // DHT\n        case 0xcc: // DAC\n        /* falls through */\n        case 0xda: // SOS\n        case 0xdb: // DQT\n        case 0xdc: // DNL\n        case 0xdd: // DRI\n        case 0xde: // DHP\n        case 0xdf: // EXP\n        /* falls through */\n        case 0xe0: // APP0\n        case 0xe1: // APP1\n        case 0xe2: // APP2\n        case 0xe3: // APP3\n        case 0xe4: // APP4\n        case 0xe5: // APP5\n        case 0xe6: // APP6\n        case 0xe7: // APP7\n        case 0xe8: // APP8\n        case 0xe9: // APP9\n        case 0xea: // APP10\n        case 0xeb: // APP11\n        case 0xec: // APP12\n        case 0xed: // APP13\n        case 0xee: // APP14\n        case 0xef: // APP15\n        /* falls through */\n        case 0xfe: // COM\n          // The marker should be followed by the length of the segment.\n          markerLength = stream.getUint16();\n          if (markerLength > 2) {\n            // |markerLength| contains the byte length of the marker segment,\n            // including its own length (2 bytes) and excluding the marker.\n            stream.skip(markerLength - 2); // Jump to the next marker.\n          } else {\n            // The marker length is invalid, resetting the stream position.\n            stream.skip(-2);\n          }\n          break;\n      }\n      if (foundEOI) {\n        break;\n      }\n    }\n    const length = stream.pos - startPos;\n    if (b === -1) {\n      warn(\n        \"Inline DCTDecode image stream: \" +\n          \"EOI marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findASCII85DecodeInlineStreamEnd(stream) {\n    const TILDE = 0x7e,\n      GT = 0x3e;\n    const startPos = stream.pos;\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (ch === TILDE) {\n        const tildePos = stream.pos;\n\n        ch = stream.peekByte();\n        // Handle corrupt PDF documents which contains whitespace \"inside\" of\n        // the EOD marker (fixes issue10614.pdf).\n        while (isWhiteSpace(ch)) {\n          stream.skip();\n          ch = stream.peekByte();\n        }\n        if (ch === GT) {\n          stream.skip();\n          break;\n        }\n        // Handle corrupt PDF documents which contains truncated EOD markers,\n        // where the '>' character is missing (fixes issue11385.pdf).\n        if (stream.pos > tildePos) {\n          const maybeEI = stream.peekBytes(2);\n          if (maybeEI[0] === /* E = */ 0x45 && maybeEI[1] === /* I = */ 0x49) {\n            break;\n          }\n        }\n      }\n    }\n    const length = stream.pos - startPos;\n    if (ch === -1) {\n      warn(\n        \"Inline ASCII85Decode image stream: \" +\n          \"EOD marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream.\n   * @returns {number} The inline stream length.\n   */\n  findASCIIHexDecodeInlineStreamEnd(stream) {\n    const GT = 0x3e;\n    const startPos = stream.pos;\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (ch === GT) {\n        break;\n      }\n    }\n    const length = stream.pos - startPos;\n    if (ch === -1) {\n      warn(\n        \"Inline ASCIIHexDecode image stream: \" +\n          \"EOD marker not found, searching for /EI/ instead.\"\n      );\n      stream.skip(-length); // Reset the stream position.\n      return this.findDefaultInlineStreamEnd(stream);\n    }\n    this.inlineStreamSkipEI(stream);\n    return length;\n  }\n\n  /**\n   * Skip over the /EI/ for streams where we search for an EOD marker.\n   */\n  inlineStreamSkipEI(stream) {\n    const E = 0x45,\n      I = 0x49;\n    let state = 0,\n      ch;\n    while ((ch = stream.getByte()) !== -1) {\n      if (state === 0) {\n        state = ch === E ? 1 : 0;\n      } else if (state === 1) {\n        state = ch === I ? 2 : 0;\n      } else if (state === 2) {\n        break;\n      }\n    }\n  }\n\n  makeInlineImage(cipherTransform) {\n    const lexer = this.lexer;\n    const stream = lexer.stream;\n\n    // Parse dictionary.\n    const dict = new Dict(this.xref);\n    let dictLength;\n    while (!isCmd(this.buf1, \"ID\") && !isEOF(this.buf1)) {\n      if (!isName(this.buf1)) {\n        throw new FormatError(\"Dictionary key must be a name object\");\n      }\n      const key = this.buf1.name;\n      this.shift();\n      if (isEOF(this.buf1)) {\n        break;\n      }\n      dict.set(key, this.getObj(cipherTransform));\n    }\n    if (lexer.beginInlineImagePos !== -1) {\n      dictLength = stream.pos - lexer.beginInlineImagePos;\n    }\n\n    // Extract the name of the first (i.e. the current) image filter.\n    const filter = dict.get(\"Filter\", \"F\");\n    let filterName;\n    if (isName(filter)) {\n      filterName = filter.name;\n    } else if (Array.isArray(filter)) {\n      const filterZero = this.xref.fetchIfRef(filter[0]);\n      if (isName(filterZero)) {\n        filterName = filterZero.name;\n      }\n    }\n\n    // Parse image stream.\n    const startPos = stream.pos;\n    let length;\n    if (filterName === \"DCTDecode\" || filterName === \"DCT\") {\n      length = this.findDCTDecodeInlineStreamEnd(stream);\n    } else if (filterName === \"ASCII85Decode\" || filterName === \"A85\") {\n      length = this.findASCII85DecodeInlineStreamEnd(stream);\n    } else if (filterName === \"ASCIIHexDecode\" || filterName === \"AHx\") {\n      length = this.findASCIIHexDecodeInlineStreamEnd(stream);\n    } else {\n      length = this.findDefaultInlineStreamEnd(stream);\n    }\n    let imageStream = stream.makeSubStream(startPos, length, dict);\n\n    // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their\n    // adler32 checksum.\n    let cacheKey;\n    if (length < MAX_LENGTH_TO_CACHE && dictLength < MAX_ADLER32_LENGTH) {\n      const imageBytes = imageStream.getBytes();\n      imageStream.reset();\n\n      const initialStreamPos = stream.pos;\n      // Set the stream position to the beginning of the dictionary data...\n      stream.pos = lexer.beginInlineImagePos;\n      // ... and fetch the bytes of the *entire* dictionary.\n      const dictBytes = stream.getBytes(dictLength);\n      // Finally, don't forget to reset the stream position.\n      stream.pos = initialStreamPos;\n\n      cacheKey = computeAdler32(imageBytes) + \"_\" + computeAdler32(dictBytes);\n\n      const cacheEntry = this.imageCache[cacheKey];\n      if (cacheEntry !== undefined) {\n        this.buf2 = Cmd.get(\"EI\");\n        this.shift();\n\n        cacheEntry.reset();\n        return cacheEntry;\n      }\n    }\n\n    if (cipherTransform) {\n      imageStream = cipherTransform.createStream(imageStream, length);\n    }\n\n    imageStream = this.filter(imageStream, dict, length);\n    imageStream.dict = dict;\n    if (cacheKey !== undefined) {\n      imageStream.cacheKey = `inline_${length}_${cacheKey}`;\n      this.imageCache[cacheKey] = imageStream;\n    }\n\n    this.buf2 = Cmd.get(\"EI\");\n    this.shift();\n\n    return imageStream;\n  }\n\n  _findStreamLength(startPos, signature) {\n    const { stream } = this.lexer;\n    stream.pos = startPos;\n\n    const SCAN_BLOCK_LENGTH = 2048;\n    const signatureLength = signature.length;\n\n    while (stream.pos < stream.end) {\n      const scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);\n      const scanLength = scanBytes.length - signatureLength;\n\n      if (scanLength <= 0) {\n        break;\n      }\n      let pos = 0;\n      while (pos < scanLength) {\n        let j = 0;\n        while (j < signatureLength && scanBytes[pos + j] === signature[j]) {\n          j++;\n        }\n        if (j >= signatureLength) {\n          // `signature` found.\n          stream.pos += pos;\n          return stream.pos - startPos;\n        }\n        pos++;\n      }\n      stream.pos += scanLength;\n    }\n    return -1;\n  }\n\n  makeStream(dict, cipherTransform) {\n    const lexer = this.lexer;\n    let stream = lexer.stream;\n\n    // Get the stream's start position.\n    lexer.skipToNextLine();\n    const startPos = stream.pos - 1;\n\n    // Get the length.\n    let length = dict.get(\"Length\");\n    if (!Number.isInteger(length)) {\n      info(`Bad length \"${length}\" in stream`);\n      length = 0;\n    }\n\n    // Skip over the stream data.\n    stream.pos = startPos + length;\n    lexer.nextChar();\n\n    // Shift '>>' and check whether the new object marks the end of the stream.\n    if (this.tryShift() && isCmd(this.buf2, \"endstream\")) {\n      this.shift(); // 'stream'\n    } else {\n      // Bad stream length, scanning for endstream command.\n      // prettier-ignore\n      const ENDSTREAM_SIGNATURE = new Uint8Array([\n        0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D]);\n      let actualLength = this._findStreamLength(startPos, ENDSTREAM_SIGNATURE);\n      if (actualLength < 0) {\n        // Only allow limited truncation of the endstream signature,\n        // to prevent false positives.\n        const MAX_TRUNCATION = 1;\n        // Check if the PDF generator included truncated endstream commands,\n        // such as e.g. \"endstrea\" (fixes issue10004.pdf).\n        for (let i = 1; i <= MAX_TRUNCATION; i++) {\n          const end = ENDSTREAM_SIGNATURE.length - i;\n          const TRUNCATED_SIGNATURE = ENDSTREAM_SIGNATURE.slice(0, end);\n\n          const maybeLength = this._findStreamLength(\n            startPos,\n            TRUNCATED_SIGNATURE\n          );\n          if (maybeLength >= 0) {\n            // Ensure that the byte immediately following the truncated\n            // endstream command is a space, to prevent false positives.\n            const lastByte = stream.peekBytes(end + 1)[end];\n            if (!isWhiteSpace(lastByte)) {\n              break;\n            }\n            info(\n              `Found \"${bytesToString(TRUNCATED_SIGNATURE)}\" when ` +\n                \"searching for endstream command.\"\n            );\n            actualLength = maybeLength;\n            break;\n          }\n        }\n\n        if (actualLength < 0) {\n          throw new FormatError(\"Missing endstream command.\");\n        }\n      }\n      length = actualLength;\n\n      lexer.nextChar();\n      this.shift();\n      this.shift();\n    }\n    this.shift(); // 'endstream'\n\n    stream = stream.makeSubStream(startPos, length, dict);\n    if (cipherTransform) {\n      stream = cipherTransform.createStream(stream, length);\n    }\n    stream = this.filter(stream, dict, length);\n    stream.dict = dict;\n    return stream;\n  }\n\n  filter(stream, dict, length) {\n    let filter = dict.get(\"Filter\", \"F\");\n    let params = dict.get(\"DecodeParms\", \"DP\");\n\n    if (isName(filter)) {\n      if (Array.isArray(params)) {\n        warn(\n          \"/DecodeParms should not contain an Array, \" +\n            \"when /Filter contains a Name.\"\n        );\n      }\n      return this.makeFilter(stream, filter.name, length, params);\n    }\n\n    let maybeLength = length;\n    if (Array.isArray(filter)) {\n      const filterArray = filter;\n      const paramsArray = params;\n      for (let i = 0, ii = filterArray.length; i < ii; ++i) {\n        filter = this.xref.fetchIfRef(filterArray[i]);\n        if (!isName(filter)) {\n          throw new FormatError(`Bad filter name \"${filter}\"`);\n        }\n\n        params = null;\n        if (Array.isArray(paramsArray) && i in paramsArray) {\n          params = this.xref.fetchIfRef(paramsArray[i]);\n        }\n        stream = this.makeFilter(stream, filter.name, maybeLength, params);\n        // After the first stream the `length` variable is invalid.\n        maybeLength = null;\n      }\n    }\n    return stream;\n  }\n\n  makeFilter(stream, name, maybeLength, params) {\n    // Since the 'Length' entry in the stream dictionary can be completely\n    // wrong, e.g. zero for non-empty streams, only skip parsing the stream\n    // when we can be absolutely certain that it actually is empty.\n    if (maybeLength === 0) {\n      warn(`Empty \"${name}\" stream.`);\n      return new NullStream();\n    }\n\n    try {\n      const xrefStreamStats = this.xref.stats.streamTypes;\n      if (name === \"FlateDecode\" || name === \"Fl\") {\n        xrefStreamStats[StreamType.FLATE] = true;\n        if (params) {\n          return new PredictorStream(\n            new FlateStream(stream, maybeLength),\n            maybeLength,\n            params\n          );\n        }\n        return new FlateStream(stream, maybeLength);\n      }\n      if (name === \"LZWDecode\" || name === \"LZW\") {\n        xrefStreamStats[StreamType.LZW] = true;\n        let earlyChange = 1;\n        if (params) {\n          if (params.has(\"EarlyChange\")) {\n            earlyChange = params.get(\"EarlyChange\");\n          }\n          return new PredictorStream(\n            new LZWStream(stream, maybeLength, earlyChange),\n            maybeLength,\n            params\n          );\n        }\n        return new LZWStream(stream, maybeLength, earlyChange);\n      }\n      if (name === \"DCTDecode\" || name === \"DCT\") {\n        xrefStreamStats[StreamType.DCT] = true;\n        return new JpegStream(stream, maybeLength, stream.dict, params);\n      }\n      if (name === \"JPXDecode\" || name === \"JPX\") {\n        xrefStreamStats[StreamType.JPX] = true;\n        return new JpxStream(stream, maybeLength, stream.dict, params);\n      }\n      if (name === \"ASCII85Decode\" || name === \"A85\") {\n        xrefStreamStats[StreamType.A85] = true;\n        return new Ascii85Stream(stream, maybeLength);\n      }\n      if (name === \"ASCIIHexDecode\" || name === \"AHx\") {\n        xrefStreamStats[StreamType.AHX] = true;\n        return new AsciiHexStream(stream, maybeLength);\n      }\n      if (name === \"CCITTFaxDecode\" || name === \"CCF\") {\n        xrefStreamStats[StreamType.CCF] = true;\n        return new CCITTFaxStream(stream, maybeLength, params);\n      }\n      if (name === \"RunLengthDecode\" || name === \"RL\") {\n        xrefStreamStats[StreamType.RLX] = true;\n        return new RunLengthStream(stream, maybeLength);\n      }\n      if (name === \"JBIG2Decode\") {\n        xrefStreamStats[StreamType.JBIG] = true;\n        return new Jbig2Stream(stream, maybeLength, stream.dict, params);\n      }\n      warn(`Filter \"${name}\" is not supported.`);\n      return stream;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`Invalid stream: \"${ex}\"`);\n      return new NullStream();\n    }\n  }\n}\n\n// A '1' in this array means the character is white space. A '1' or\n// '2' means the character ends a name or command.\n// prettier-ignore\nconst specialChars = [\n  1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x\n  1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0  // fx\n];\n\nfunction toHexDigit(ch) {\n  if (ch >= /* '0' = */ 0x30 && ch /* '9' = */ <= 0x39) {\n    return ch & 0x0f;\n  }\n  if (\n    (ch >= /* 'A' = */ 0x41 && ch <= /* 'F' = */ 0x46) ||\n    (ch >= /* 'a' = */ 0x61 && ch <= /* 'f' = */ 0x66)\n  ) {\n    return (ch & 0x0f) + 9;\n  }\n  return -1;\n}\n\nclass Lexer {\n  constructor(stream, knownCommands = null) {\n    this.stream = stream;\n    this.nextChar();\n\n    // While lexing, we build up many strings one char at a time. Using += for\n    // this can result in lots of garbage strings. It's better to build an\n    // array of single-char strings and then join() them together at the end.\n    // And reusing a single array (i.e. |this.strBuf|) over and over for this\n    // purpose uses less memory than using a new array for each string.\n    this.strBuf = [];\n\n    // The PDFs might have \"glued\" commands with other commands, operands or\n    // literals, e.g. \"q1\". The knownCommands is a dictionary of the valid\n    // commands and their prefixes. The prefixes are built the following way:\n    // if there a command that is a prefix of the other valid command or\n    // literal (e.g. 'f' and 'false') the following prefixes must be included,\n    // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no\n    // other commands or literals as a prefix. The knowCommands is optional.\n    this.knownCommands = knownCommands;\n\n    this._hexStringNumWarn = 0;\n    this.beginInlineImagePos = -1;\n  }\n\n  nextChar() {\n    return (this.currentChar = this.stream.getByte());\n  }\n\n  peekChar() {\n    return this.stream.peekByte();\n  }\n\n  getNumber() {\n    let ch = this.currentChar;\n    let eNotation = false;\n    let divideBy = 0; // Different from 0 if it's a floating point value.\n    let sign = 0;\n\n    if (ch === /* '-' = */ 0x2d) {\n      sign = -1;\n      ch = this.nextChar();\n\n      if (ch === /* '-' = */ 0x2d) {\n        // Ignore double negative (this is consistent with Adobe Reader).\n        ch = this.nextChar();\n      }\n    } else if (ch === /* '+' = */ 0x2b) {\n      sign = 1;\n      ch = this.nextChar();\n    }\n    if (ch === /* LF = */ 0x0a || ch === /* CR = */ 0x0d) {\n      // Ignore line-breaks (this is consistent with Adobe Reader).\n      do {\n        ch = this.nextChar();\n      } while (ch === 0x0a || ch === 0x0d);\n    }\n    if (ch === /* '.' = */ 0x2e) {\n      divideBy = 10;\n      ch = this.nextChar();\n    }\n    if (ch < /* '0' = */ 0x30 || ch > /* '9' = */ 0x39) {\n      if (\n        divideBy === 10 &&\n        sign === 0 &&\n        (isWhiteSpace(ch) || ch === /* EOF = */ -1)\n      ) {\n        // This is consistent with Adobe Reader (fixes issue9252.pdf).\n        warn(\"Lexer.getNumber - treating a single decimal point as zero.\");\n        return 0;\n      }\n      throw new FormatError(\n        `Invalid number: ${String.fromCharCode(ch)} (charCode ${ch})`\n      );\n    }\n\n    sign = sign || 1;\n    let baseValue = ch - 0x30; // '0'\n    let powerValue = 0;\n    let powerValueSign = 1;\n\n    while ((ch = this.nextChar()) >= 0) {\n      if (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) {\n        const currentDigit = ch - 0x30; // '0'\n        if (eNotation) {\n          // We are after an 'e' or 'E'.\n          powerValue = powerValue * 10 + currentDigit;\n        } else {\n          if (divideBy !== 0) {\n            // We are after a point.\n            divideBy *= 10;\n          }\n          baseValue = baseValue * 10 + currentDigit;\n        }\n      } else if (ch === /* '.' = */ 0x2e) {\n        if (divideBy === 0) {\n          divideBy = 1;\n        } else {\n          // A number can have only one dot.\n          break;\n        }\n      } else if (ch === /* '-' = */ 0x2d) {\n        // Ignore minus signs in the middle of numbers to match\n        // Adobe's behavior.\n        warn(\"Badly formatted number: minus sign in the middle\");\n      } else if (ch === /* 'E' = */ 0x45 || ch === /* 'e' = */ 0x65) {\n        // 'E' can be either a scientific notation or the beginning of a new\n        // operator.\n        ch = this.peekChar();\n        if (ch === /* '+' = */ 0x2b || ch === /* '-' = */ 0x2d) {\n          powerValueSign = ch === 0x2d ? -1 : 1;\n          this.nextChar(); // Consume the sign character.\n        } else if (ch < /* '0' = */ 0x30 || ch > /* '9' = */ 0x39) {\n          // The 'E' must be the beginning of a new operator.\n          break;\n        }\n        eNotation = true;\n      } else {\n        // The last character doesn't belong to us.\n        break;\n      }\n    }\n\n    if (divideBy !== 0) {\n      baseValue /= divideBy;\n    }\n    if (eNotation) {\n      baseValue *= 10 ** (powerValueSign * powerValue);\n    }\n    return sign * baseValue;\n  }\n\n  getString() {\n    let numParen = 1;\n    let done = false;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n\n    let ch = this.nextChar();\n    while (true) {\n      let charBuffered = false;\n      switch (ch | 0) {\n        case -1:\n          warn(\"Unterminated string\");\n          done = true;\n          break;\n        case 0x28: // '('\n          ++numParen;\n          strBuf.push(\"(\");\n          break;\n        case 0x29: // ')'\n          if (--numParen === 0) {\n            this.nextChar(); // consume strings ')'\n            done = true;\n          } else {\n            strBuf.push(\")\");\n          }\n          break;\n        case 0x5c: // '\\\\'\n          ch = this.nextChar();\n          switch (ch) {\n            case -1:\n              warn(\"Unterminated string\");\n              done = true;\n              break;\n            case 0x6e: // 'n'\n              strBuf.push(\"\\n\");\n              break;\n            case 0x72: // 'r'\n              strBuf.push(\"\\r\");\n              break;\n            case 0x74: // 't'\n              strBuf.push(\"\\t\");\n              break;\n            case 0x62: // 'b'\n              strBuf.push(\"\\b\");\n              break;\n            case 0x66: // 'f'\n              strBuf.push(\"\\f\");\n              break;\n            case 0x5c: // '\\'\n            case 0x28: // '('\n            case 0x29: // ')'\n              strBuf.push(String.fromCharCode(ch));\n              break;\n            case 0x30: // '0'\n            case 0x31: // '1'\n            case 0x32: // '2'\n            case 0x33: // '3'\n            case 0x34: // '4'\n            case 0x35: // '5'\n            case 0x36: // '6'\n            case 0x37: // '7'\n              let x = ch & 0x0f;\n              ch = this.nextChar();\n              charBuffered = true;\n              if (ch >= /* '0' = */ 0x30 && ch <= /* '7' = */ 0x37) {\n                x = (x << 3) + (ch & 0x0f);\n                ch = this.nextChar();\n                if (ch >= /* '0' = */ 0x30 && ch /* '7' = */ <= 0x37) {\n                  charBuffered = false;\n                  x = (x << 3) + (ch & 0x0f);\n                }\n              }\n              strBuf.push(String.fromCharCode(x));\n              break;\n            case 0x0d: // CR\n              if (this.peekChar() === /* LF = */ 0x0a) {\n                this.nextChar();\n              }\n              break;\n            case 0x0a: // LF\n              break;\n            default:\n              strBuf.push(String.fromCharCode(ch));\n              break;\n          }\n          break;\n        default:\n          strBuf.push(String.fromCharCode(ch));\n          break;\n      }\n      if (done) {\n        break;\n      }\n      if (!charBuffered) {\n        ch = this.nextChar();\n      }\n    }\n    return strBuf.join(\"\");\n  }\n\n  getName() {\n    let ch, previousCh;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n\n    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {\n      if (ch === /* '#' = */ 0x23) {\n        ch = this.nextChar();\n        if (specialChars[ch]) {\n          warn(\n            \"Lexer_getName: \" +\n              \"NUMBER SIGN (#) should be followed by a hexadecimal number.\"\n          );\n          strBuf.push(\"#\");\n          break;\n        }\n        const x = toHexDigit(ch);\n        if (x !== -1) {\n          previousCh = ch;\n          ch = this.nextChar();\n          const x2 = toHexDigit(ch);\n          if (x2 === -1) {\n            warn(\n              `Lexer_getName: Illegal digit (${String.fromCharCode(ch)}) ` +\n                \"in hexadecimal number.\"\n            );\n            strBuf.push(\"#\", String.fromCharCode(previousCh));\n            if (specialChars[ch]) {\n              break;\n            }\n            strBuf.push(String.fromCharCode(ch));\n            continue;\n          }\n          strBuf.push(String.fromCharCode((x << 4) | x2));\n        } else {\n          strBuf.push(\"#\", String.fromCharCode(ch));\n        }\n      } else {\n        strBuf.push(String.fromCharCode(ch));\n      }\n    }\n    if (strBuf.length > 127) {\n      warn(`Name token is longer than allowed by the spec: ${strBuf.length}`);\n    }\n    return Name.get(strBuf.join(\"\"));\n  }\n\n  /**\n   * @private\n   */\n  _hexStringWarn(ch) {\n    const MAX_HEX_STRING_NUM_WARN = 5;\n\n    if (this._hexStringNumWarn++ === MAX_HEX_STRING_NUM_WARN) {\n      warn(\"getHexString - ignoring additional invalid characters.\");\n      return;\n    }\n    if (this._hexStringNumWarn > MAX_HEX_STRING_NUM_WARN) {\n      // Limit the number of warning messages printed for a `this.getHexString`\n      // invocation, since corrupt PDF documents may otherwise spam the console\n      // enough to affect general performance negatively.\n      return;\n    }\n    warn(`getHexString - ignoring invalid character: ${ch}`);\n  }\n\n  getHexString() {\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    let ch = this.currentChar;\n    let isFirstHex = true;\n    let firstDigit, secondDigit;\n    this._hexStringNumWarn = 0;\n\n    while (true) {\n      if (ch < 0) {\n        warn(\"Unterminated hex string\");\n        break;\n      } else if (ch === /* '>' = */ 0x3e) {\n        this.nextChar();\n        break;\n      } else if (specialChars[ch] === 1) {\n        ch = this.nextChar();\n        continue;\n      } else {\n        if (isFirstHex) {\n          firstDigit = toHexDigit(ch);\n          if (firstDigit === -1) {\n            this._hexStringWarn(ch);\n            ch = this.nextChar();\n            continue;\n          }\n        } else {\n          secondDigit = toHexDigit(ch);\n          if (secondDigit === -1) {\n            this._hexStringWarn(ch);\n            ch = this.nextChar();\n            continue;\n          }\n          strBuf.push(String.fromCharCode((firstDigit << 4) | secondDigit));\n        }\n        isFirstHex = !isFirstHex;\n        ch = this.nextChar();\n      }\n    }\n    return strBuf.join(\"\");\n  }\n\n  getObj() {\n    // Skip whitespace and comments.\n    let comment = false;\n    let ch = this.currentChar;\n    while (true) {\n      if (ch < 0) {\n        return EOF;\n      }\n      if (comment) {\n        if (ch === /* LF = */ 0x0a || ch === /* CR = */ 0x0d) {\n          comment = false;\n        }\n      } else if (ch === /* '%' = */ 0x25) {\n        comment = true;\n      } else if (specialChars[ch] !== 1) {\n        break;\n      }\n      ch = this.nextChar();\n    }\n\n    // Start reading a token.\n    switch (ch | 0) {\n      case 0x30: // '0'\n      case 0x31: // '1'\n      case 0x32: // '2'\n      case 0x33: // '3'\n      case 0x34: // '4'\n      case 0x35: // '5'\n      case 0x36: // '6'\n      case 0x37: // '7'\n      case 0x38: // '8'\n      case 0x39: // '9'\n      case 0x2b: // '+'\n      case 0x2d: // '-'\n      case 0x2e: // '.'\n        return this.getNumber();\n      case 0x28: // '('\n        return this.getString();\n      case 0x2f: // '/'\n        return this.getName();\n      // array punctuation\n      case 0x5b: // '['\n        this.nextChar();\n        return Cmd.get(\"[\");\n      case 0x5d: // ']'\n        this.nextChar();\n        return Cmd.get(\"]\");\n      // hex string or dict punctuation\n      case 0x3c: // '<'\n        ch = this.nextChar();\n        if (ch === 0x3c) {\n          // dict punctuation\n          this.nextChar();\n          return Cmd.get(\"<<\");\n        }\n        return this.getHexString();\n      // dict punctuation\n      case 0x3e: // '>'\n        ch = this.nextChar();\n        if (ch === 0x3e) {\n          this.nextChar();\n          return Cmd.get(\">>\");\n        }\n        return Cmd.get(\">\");\n      case 0x7b: // '{'\n        this.nextChar();\n        return Cmd.get(\"{\");\n      case 0x7d: // '}'\n        this.nextChar();\n        return Cmd.get(\"}\");\n      case 0x29: // ')'\n        // Consume the current character in order to avoid permanently hanging\n        // the worker thread if `Lexer.getObject` is called from within a loop\n        // containing try-catch statements, since we would otherwise attempt\n        // to parse the *same* character over and over (fixes issue8061.pdf).\n        this.nextChar();\n        throw new FormatError(`Illegal character: ${ch}`);\n    }\n\n    // Start reading a command.\n    let str = String.fromCharCode(ch);\n    const knownCommands = this.knownCommands;\n    let knownCommandFound = knownCommands && knownCommands[str] !== undefined;\n    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {\n      // Stop if a known command is found and next character does not make\n      // the string a command.\n      const possibleCommand = str + String.fromCharCode(ch);\n      if (knownCommandFound && knownCommands[possibleCommand] === undefined) {\n        break;\n      }\n      if (str.length === 128) {\n        throw new FormatError(`Command token too long: ${str.length}`);\n      }\n      str = possibleCommand;\n      knownCommandFound = knownCommands && knownCommands[str] !== undefined;\n    }\n    if (str === \"true\") {\n      return true;\n    }\n    if (str === \"false\") {\n      return false;\n    }\n    if (str === \"null\") {\n      return null;\n    }\n\n    if (str === \"BI\") {\n      // Keep track of the current stream position, since it's needed in order\n      // to correctly cache inline images; see `Parser.makeInlineImage`.\n      this.beginInlineImagePos = this.stream.pos;\n    }\n\n    return Cmd.get(str);\n  }\n\n  peekObj() {\n    const streamPos = this.stream.pos,\n      currentChar = this.currentChar,\n      beginInlineImagePos = this.beginInlineImagePos;\n\n    let nextObj;\n    try {\n      nextObj = this.getObj();\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      warn(`peekObj: ${ex}`);\n    }\n    // Ensure that we reset *all* relevant `Lexer`-instance state.\n    this.stream.pos = streamPos;\n    this.currentChar = currentChar;\n    this.beginInlineImagePos = beginInlineImagePos;\n\n    return nextObj;\n  }\n\n  skipToNextLine() {\n    let ch = this.currentChar;\n    while (ch >= 0) {\n      if (ch === /* CR = */ 0x0d) {\n        ch = this.nextChar();\n        if (ch === /* LF = */ 0x0a) {\n          this.nextChar();\n        }\n        break;\n      } else if (ch === /* LF = */ 0x0a) {\n        this.nextChar();\n        break;\n      }\n      ch = this.nextChar();\n    }\n  }\n}\n\nclass Linearization {\n  static create(stream) {\n    function getInt(linDict, name, allowZeroValue = false) {\n      const obj = linDict.get(name);\n      if (Number.isInteger(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) {\n        return obj;\n      }\n      throw new Error(\n        `The \"${name}\" parameter in the linearization ` +\n          \"dictionary is invalid.\"\n      );\n    }\n\n    function getHints(linDict) {\n      const hints = linDict.get(\"H\");\n      let hintsLength;\n\n      if (\n        Array.isArray(hints) &&\n        ((hintsLength = hints.length) === 2 || hintsLength === 4)\n      ) {\n        for (let index = 0; index < hintsLength; index++) {\n          const hint = hints[index];\n          if (!(Number.isInteger(hint) && hint > 0)) {\n            throw new Error(\n              `Hint (${index}) in the linearization dictionary is invalid.`\n            );\n          }\n        }\n        return hints;\n      }\n      throw new Error(\"Hint array in the linearization dictionary is invalid.\");\n    }\n\n    const parser = new Parser({\n      lexer: new Lexer(stream),\n      xref: null,\n    });\n    const obj1 = parser.getObj();\n    const obj2 = parser.getObj();\n    const obj3 = parser.getObj();\n    const linDict = parser.getObj();\n    let obj, length;\n    if (\n      !(\n        Number.isInteger(obj1) &&\n        Number.isInteger(obj2) &&\n        isCmd(obj3, \"obj\") &&\n        isDict(linDict) &&\n        isNum((obj = linDict.get(\"Linearized\"))) &&\n        obj > 0\n      )\n    ) {\n      return null; // No valid linearization dictionary found.\n    } else if ((length = getInt(linDict, \"L\")) !== stream.length) {\n      throw new Error(\n        'The \"L\" parameter in the linearization dictionary ' +\n          \"does not equal the stream length.\"\n      );\n    }\n    return {\n      length,\n      hints: getHints(linDict),\n      objectNumberFirst: getInt(linDict, \"O\"),\n      endFirst: getInt(linDict, \"E\"),\n      numPages: getInt(linDict, \"N\"),\n      mainXRefEntriesOffset: getInt(linDict, \"T\"),\n      pageFirst: linDict.has(\"P\")\n        ? getInt(linDict, \"P\", /* allowZeroValue = */ true)\n        : 0,\n    };\n  }\n}\n\nexport { Lexer, Linearization, Parser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The flate stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\nimport { FormatError, stringToBytes, unreachable } from \"../shared/util.js\";\nimport { isDict } from \"./primitives.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\n\nvar Stream = (function StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Stream(arrayBuffer, start, length, dict) {\n    this.bytes =\n      arrayBuffer instanceof Uint8Array\n        ? arrayBuffer\n        : new Uint8Array(arrayBuffer);\n    this.start = start || 0;\n    this.pos = this.start;\n    this.end = start + length || this.bytes.length;\n    this.dict = dict;\n  }\n\n  // required methods for a stream. if a particular stream does not\n  // implement these, an error should be thrown\n  Stream.prototype = {\n    get length() {\n      return this.end - this.start;\n    },\n    get isEmpty() {\n      return this.length === 0;\n    },\n    getByte: function Stream_getByte() {\n      if (this.pos >= this.end) {\n        return -1;\n      }\n      return this.bytes[this.pos++];\n    },\n    getUint16: function Stream_getUint16() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      if (b0 === -1 || b1 === -1) {\n        return -1;\n      }\n      return (b0 << 8) + b1;\n    },\n    getInt32: function Stream_getInt32() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      var b2 = this.getByte();\n      var b3 = this.getByte();\n      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n    },\n    // Returns subarray of original buffer, should only be read.\n    getBytes(length, forceClamped = false) {\n      var bytes = this.bytes;\n      var pos = this.pos;\n      var strEnd = this.end;\n\n      if (!length) {\n        const subarray = bytes.subarray(pos, strEnd);\n        // `this.bytes` is always a `Uint8Array` here.\n        return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n      }\n      var end = pos + length;\n      if (end > strEnd) {\n        end = strEnd;\n      }\n      this.pos = end;\n      const subarray = bytes.subarray(pos, end);\n      // `this.bytes` is always a `Uint8Array` here.\n      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;\n    },\n    peekByte: function Stream_peekByte() {\n      var peekedByte = this.getByte();\n      if (peekedByte !== -1) {\n        this.pos--;\n      }\n      return peekedByte;\n    },\n    peekBytes(length, forceClamped = false) {\n      var bytes = this.getBytes(length, forceClamped);\n      this.pos -= bytes.length;\n      return bytes;\n    },\n\n    getByteRange(begin, end) {\n      if (begin < 0) {\n        begin = 0;\n      }\n      if (end > this.end) {\n        end = this.end;\n      }\n      return this.bytes.subarray(begin, end);\n    },\n\n    skip: function Stream_skip(n) {\n      if (!n) {\n        n = 1;\n      }\n      this.pos += n;\n    },\n    reset: function Stream_reset() {\n      this.pos = this.start;\n    },\n    moveStart: function Stream_moveStart() {\n      this.start = this.pos;\n    },\n    makeSubStream: function Stream_makeSubStream(start, length, dict) {\n      return new Stream(this.bytes.buffer, start, length, dict);\n    },\n  };\n\n  return Stream;\n})();\n\nvar StringStream = (function StringStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function StringStream(str) {\n    const bytes = stringToBytes(str);\n    Stream.call(this, bytes);\n  }\n\n  StringStream.prototype = Stream.prototype;\n\n  return StringStream;\n})();\n\n// super class for the decoding streams\nvar DecodeStream = (function DecodeStreamClosure() {\n  // Lots of DecodeStreams are created whose buffers are never used.  For these\n  // we share a single empty buffer. This is (a) space-efficient and (b) avoids\n  // having special cases that would be required if we used |null| for an empty\n  // buffer.\n  var emptyBuffer = new Uint8Array(0);\n\n  // eslint-disable-next-line no-shadow\n  function DecodeStream(maybeMinBufferLength) {\n    this._rawMinBufferLength = maybeMinBufferLength || 0;\n\n    this.pos = 0;\n    this.bufferLength = 0;\n    this.eof = false;\n    this.buffer = emptyBuffer;\n    this.minBufferLength = 512;\n    if (maybeMinBufferLength) {\n      // Compute the first power of two that is as big as maybeMinBufferLength.\n      while (this.minBufferLength < maybeMinBufferLength) {\n        this.minBufferLength *= 2;\n      }\n    }\n  }\n\n  DecodeStream.prototype = {\n    get isEmpty() {\n      while (!this.eof && this.bufferLength === 0) {\n        this.readBlock();\n      }\n      return this.bufferLength === 0;\n    },\n    ensureBuffer: function DecodeStream_ensureBuffer(requested) {\n      var buffer = this.buffer;\n      if (requested <= buffer.byteLength) {\n        return buffer;\n      }\n      var size = this.minBufferLength;\n      while (size < requested) {\n        size *= 2;\n      }\n      var buffer2 = new Uint8Array(size);\n      buffer2.set(buffer);\n      return (this.buffer = buffer2);\n    },\n    getByte: function DecodeStream_getByte() {\n      var pos = this.pos;\n      while (this.bufferLength <= pos) {\n        if (this.eof) {\n          return -1;\n        }\n        this.readBlock();\n      }\n      return this.buffer[this.pos++];\n    },\n    getUint16: function DecodeStream_getUint16() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      if (b0 === -1 || b1 === -1) {\n        return -1;\n      }\n      return (b0 << 8) + b1;\n    },\n    getInt32: function DecodeStream_getInt32() {\n      var b0 = this.getByte();\n      var b1 = this.getByte();\n      var b2 = this.getByte();\n      var b3 = this.getByte();\n      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n    },\n    getBytes(length, forceClamped = false) {\n      var end,\n        pos = this.pos;\n\n      if (length) {\n        this.ensureBuffer(pos + length);\n        end = pos + length;\n\n        while (!this.eof && this.bufferLength < end) {\n          this.readBlock();\n        }\n        var bufEnd = this.bufferLength;\n        if (end > bufEnd) {\n          end = bufEnd;\n        }\n      } else {\n        while (!this.eof) {\n          this.readBlock();\n        }\n        end = this.bufferLength;\n      }\n\n      this.pos = end;\n      const subarray = this.buffer.subarray(pos, end);\n      // `this.buffer` is either a `Uint8Array` or `Uint8ClampedArray` here.\n      return forceClamped && !(subarray instanceof Uint8ClampedArray)\n        ? new Uint8ClampedArray(subarray)\n        : subarray;\n    },\n    peekByte: function DecodeStream_peekByte() {\n      var peekedByte = this.getByte();\n      if (peekedByte !== -1) {\n        this.pos--;\n      }\n      return peekedByte;\n    },\n    peekBytes(length, forceClamped = false) {\n      var bytes = this.getBytes(length, forceClamped);\n      this.pos -= bytes.length;\n      return bytes;\n    },\n    makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {\n      var end = start + length;\n      while (this.bufferLength <= end && !this.eof) {\n        this.readBlock();\n      }\n      return new Stream(this.buffer, start, length, dict);\n    },\n\n    getByteRange(begin, end) {\n      unreachable(\"Should not call DecodeStream.getByteRange\");\n    },\n\n    skip: function DecodeStream_skip(n) {\n      if (!n) {\n        n = 1;\n      }\n      this.pos += n;\n    },\n    reset: function DecodeStream_reset() {\n      this.pos = 0;\n    },\n    getBaseStreams: function DecodeStream_getBaseStreams() {\n      if (this.str && this.str.getBaseStreams) {\n        return this.str.getBaseStreams();\n      }\n      return [];\n    },\n  };\n\n  return DecodeStream;\n})();\n\nvar StreamsSequenceStream = (function StreamsSequenceStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function StreamsSequenceStream(streams) {\n    this.streams = streams;\n\n    let maybeLength = 0;\n    for (let i = 0, ii = streams.length; i < ii; i++) {\n      const stream = streams[i];\n      if (stream instanceof DecodeStream) {\n        maybeLength += stream._rawMinBufferLength;\n      } else {\n        maybeLength += stream.length;\n      }\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);\n\n  StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {\n    var streams = this.streams;\n    if (streams.length === 0) {\n      this.eof = true;\n      return;\n    }\n    var stream = streams.shift();\n    var chunk = stream.getBytes();\n    var bufferLength = this.bufferLength;\n    var newLength = bufferLength + chunk.length;\n    var buffer = this.ensureBuffer(newLength);\n    buffer.set(chunk, bufferLength);\n    this.bufferLength = newLength;\n  };\n\n  StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {\n    var baseStreams = [];\n    for (var i = 0, ii = this.streams.length; i < ii; i++) {\n      var stream = this.streams[i];\n      if (stream.getBaseStreams) {\n        baseStreams.push(...stream.getBaseStreams());\n      }\n    }\n    return baseStreams;\n  };\n\n  return StreamsSequenceStream;\n})();\n\nvar FlateStream = (function FlateStreamClosure() {\n  // prettier-ignore\n  var codeLenCodeMap = new Int32Array([\n    16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15\n  ]);\n\n  // prettier-ignore\n  var lengthDecode = new Int32Array([\n    0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a,\n    0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f,\n    0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073,\n    0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102\n  ]);\n\n  // prettier-ignore\n  var distDecode = new Int32Array([\n    0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d,\n    0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1,\n    0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01,\n    0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001\n  ]);\n\n  // prettier-ignore\n  var fixedLitCodeTab = [new Int32Array([\n    0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0,\n    0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0,\n    0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0,\n    0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0,\n    0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8,\n    0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8,\n    0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8,\n    0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8,\n    0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4,\n    0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4,\n    0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4,\n    0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4,\n    0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc,\n    0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec,\n    0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc,\n    0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc,\n    0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2,\n    0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2,\n    0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2,\n    0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2,\n    0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca,\n    0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea,\n    0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da,\n    0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa,\n    0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6,\n    0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6,\n    0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6,\n    0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6,\n    0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce,\n    0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee,\n    0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de,\n    0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe,\n    0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1,\n    0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1,\n    0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1,\n    0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1,\n    0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9,\n    0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9,\n    0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9,\n    0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9,\n    0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5,\n    0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5,\n    0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5,\n    0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5,\n    0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd,\n    0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed,\n    0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd,\n    0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd,\n    0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3,\n    0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3,\n    0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3,\n    0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3,\n    0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb,\n    0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb,\n    0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db,\n    0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb,\n    0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7,\n    0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7,\n    0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7,\n    0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7,\n    0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf,\n    0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef,\n    0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df,\n    0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff\n  ]), 9];\n\n  // prettier-ignore\n  var fixedDistCodeTab = [new Int32Array([\n    0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c,\n    0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000,\n    0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d,\n    0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000\n  ]), 5];\n\n  // eslint-disable-next-line no-shadow\n  function FlateStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    var cmf = str.getByte();\n    var flg = str.getByte();\n    if (cmf === -1 || flg === -1) {\n      throw new FormatError(`Invalid header in flate stream: ${cmf}, ${flg}`);\n    }\n    if ((cmf & 0x0f) !== 0x08) {\n      throw new FormatError(\n        `Unknown compression method in flate stream: ${cmf}, ${flg}`\n      );\n    }\n    if (((cmf << 8) + flg) % 31 !== 0) {\n      throw new FormatError(`Bad FCHECK in flate stream: ${cmf}, ${flg}`);\n    }\n    if (flg & 0x20) {\n      throw new FormatError(`FDICT bit set in flate stream: ${cmf}, ${flg}`);\n    }\n\n    this.codeSize = 0;\n    this.codeBuf = 0;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  FlateStream.prototype = Object.create(DecodeStream.prototype);\n\n  FlateStream.prototype.getBits = function FlateStream_getBits(bits) {\n    var str = this.str;\n    var codeSize = this.codeSize;\n    var codeBuf = this.codeBuf;\n\n    var b;\n    while (codeSize < bits) {\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad encoding in flate stream\");\n      }\n      codeBuf |= b << codeSize;\n      codeSize += 8;\n    }\n    b = codeBuf & ((1 << bits) - 1);\n    this.codeBuf = codeBuf >> bits;\n    this.codeSize = codeSize -= bits;\n\n    return b;\n  };\n\n  FlateStream.prototype.getCode = function FlateStream_getCode(table) {\n    var str = this.str;\n    var codes = table[0];\n    var maxLen = table[1];\n    var codeSize = this.codeSize;\n    var codeBuf = this.codeBuf;\n\n    var b;\n    while (codeSize < maxLen) {\n      if ((b = str.getByte()) === -1) {\n        // premature end of stream. code might however still be valid.\n        // codeSize < codeLen check below guards against incomplete codeVal.\n        break;\n      }\n      codeBuf |= b << codeSize;\n      codeSize += 8;\n    }\n    var code = codes[codeBuf & ((1 << maxLen) - 1)];\n    var codeLen = code >> 16;\n    var codeVal = code & 0xffff;\n    if (codeLen < 1 || codeSize < codeLen) {\n      throw new FormatError(\"Bad encoding in flate stream\");\n    }\n    this.codeBuf = codeBuf >> codeLen;\n    this.codeSize = codeSize - codeLen;\n    return codeVal;\n  };\n\n  FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(\n    lengths\n  ) {\n    var n = lengths.length;\n\n    // find max code length\n    var maxLen = 0;\n    var i;\n    for (i = 0; i < n; ++i) {\n      if (lengths[i] > maxLen) {\n        maxLen = lengths[i];\n      }\n    }\n\n    // build the table\n    var size = 1 << maxLen;\n    var codes = new Int32Array(size);\n    for (\n      var len = 1, code = 0, skip = 2;\n      len <= maxLen;\n      ++len, code <<= 1, skip <<= 1\n    ) {\n      for (var val = 0; val < n; ++val) {\n        if (lengths[val] === len) {\n          // bit-reverse the code\n          var code2 = 0;\n          var t = code;\n          for (i = 0; i < len; ++i) {\n            code2 = (code2 << 1) | (t & 1);\n            t >>= 1;\n          }\n\n          // fill the table entries\n          for (i = code2; i < size; i += skip) {\n            codes[i] = (len << 16) | val;\n          }\n          ++code;\n        }\n      }\n    }\n\n    return [codes, maxLen];\n  };\n\n  FlateStream.prototype.readBlock = function FlateStream_readBlock() {\n    var buffer, len;\n    var str = this.str;\n    // read block header\n    var hdr = this.getBits(3);\n    if (hdr & 1) {\n      this.eof = true;\n    }\n    hdr >>= 1;\n\n    if (hdr === 0) {\n      // uncompressed block\n      var b;\n\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      var blockLen = b;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      blockLen |= b << 8;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      var check = b;\n      if ((b = str.getByte()) === -1) {\n        throw new FormatError(\"Bad block header in flate stream\");\n      }\n      check |= b << 8;\n      if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {\n        // Ignoring error for bad \"empty\" block (see issue 1277)\n        throw new FormatError(\"Bad uncompressed block length in flate stream\");\n      }\n\n      this.codeBuf = 0;\n      this.codeSize = 0;\n\n      const bufferLength = this.bufferLength,\n        end = bufferLength + blockLen;\n      buffer = this.ensureBuffer(end);\n      this.bufferLength = end;\n\n      if (blockLen === 0) {\n        if (str.peekByte() === -1) {\n          this.eof = true;\n        }\n      } else {\n        const block = str.getBytes(blockLen);\n        buffer.set(block, bufferLength);\n        if (block.length < blockLen) {\n          this.eof = true;\n        }\n      }\n      return;\n    }\n\n    var litCodeTable;\n    var distCodeTable;\n    if (hdr === 1) {\n      // compressed block, fixed codes\n      litCodeTable = fixedLitCodeTab;\n      distCodeTable = fixedDistCodeTab;\n    } else if (hdr === 2) {\n      // compressed block, dynamic codes\n      var numLitCodes = this.getBits(5) + 257;\n      var numDistCodes = this.getBits(5) + 1;\n      var numCodeLenCodes = this.getBits(4) + 4;\n\n      // build the code lengths code table\n      var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);\n\n      var i;\n      for (i = 0; i < numCodeLenCodes; ++i) {\n        codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);\n      }\n      var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);\n\n      // build the literal and distance code tables\n      len = 0;\n      i = 0;\n      var codes = numLitCodes + numDistCodes;\n      var codeLengths = new Uint8Array(codes);\n      var bitsLength, bitsOffset, what;\n      while (i < codes) {\n        var code = this.getCode(codeLenCodeTab);\n        if (code === 16) {\n          bitsLength = 2;\n          bitsOffset = 3;\n          what = len;\n        } else if (code === 17) {\n          bitsLength = 3;\n          bitsOffset = 3;\n          what = len = 0;\n        } else if (code === 18) {\n          bitsLength = 7;\n          bitsOffset = 11;\n          what = len = 0;\n        } else {\n          codeLengths[i++] = len = code;\n          continue;\n        }\n\n        var repeatLength = this.getBits(bitsLength) + bitsOffset;\n        while (repeatLength-- > 0) {\n          codeLengths[i++] = what;\n        }\n      }\n\n      litCodeTable = this.generateHuffmanTable(\n        codeLengths.subarray(0, numLitCodes)\n      );\n      distCodeTable = this.generateHuffmanTable(\n        codeLengths.subarray(numLitCodes, codes)\n      );\n    } else {\n      throw new FormatError(\"Unknown block type in flate stream\");\n    }\n\n    buffer = this.buffer;\n    var limit = buffer ? buffer.length : 0;\n    var pos = this.bufferLength;\n    while (true) {\n      var code1 = this.getCode(litCodeTable);\n      if (code1 < 256) {\n        if (pos + 1 >= limit) {\n          buffer = this.ensureBuffer(pos + 1);\n          limit = buffer.length;\n        }\n        buffer[pos++] = code1;\n        continue;\n      }\n      if (code1 === 256) {\n        this.bufferLength = pos;\n        return;\n      }\n      code1 -= 257;\n      code1 = lengthDecode[code1];\n      var code2 = code1 >> 16;\n      if (code2 > 0) {\n        code2 = this.getBits(code2);\n      }\n      len = (code1 & 0xffff) + code2;\n      code1 = this.getCode(distCodeTable);\n      code1 = distDecode[code1];\n      code2 = code1 >> 16;\n      if (code2 > 0) {\n        code2 = this.getBits(code2);\n      }\n      var dist = (code1 & 0xffff) + code2;\n      if (pos + len >= limit) {\n        buffer = this.ensureBuffer(pos + len);\n        limit = buffer.length;\n      }\n      for (var k = 0; k < len; ++k, ++pos) {\n        buffer[pos] = buffer[pos - dist];\n      }\n    }\n  };\n\n  return FlateStream;\n})();\n\nvar PredictorStream = (function PredictorStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function PredictorStream(str, maybeLength, params) {\n    if (!isDict(params)) {\n      return str; // no prediction\n    }\n    var predictor = (this.predictor = params.get(\"Predictor\") || 1);\n\n    if (predictor <= 1) {\n      return str; // no prediction\n    }\n    if (predictor !== 2 && (predictor < 10 || predictor > 15)) {\n      throw new FormatError(`Unsupported predictor: ${predictor}`);\n    }\n\n    if (predictor === 2) {\n      this.readBlock = this.readBlockTiff;\n    } else {\n      this.readBlock = this.readBlockPng;\n    }\n\n    this.str = str;\n    this.dict = str.dict;\n\n    var colors = (this.colors = params.get(\"Colors\") || 1);\n    var bits = (this.bits = params.get(\"BitsPerComponent\") || 8);\n    var columns = (this.columns = params.get(\"Columns\") || 1);\n\n    this.pixBytes = (colors * bits + 7) >> 3;\n    this.rowBytes = (columns * colors * bits + 7) >> 3;\n\n    DecodeStream.call(this, maybeLength);\n    return this;\n  }\n\n  PredictorStream.prototype = Object.create(DecodeStream.prototype);\n\n  PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {\n    var rowBytes = this.rowBytes;\n\n    var bufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(bufferLength + rowBytes);\n\n    var bits = this.bits;\n    var colors = this.colors;\n\n    var rawBytes = this.str.getBytes(rowBytes);\n    this.eof = !rawBytes.length;\n    if (this.eof) {\n      return;\n    }\n\n    var inbuf = 0,\n      outbuf = 0;\n    var inbits = 0,\n      outbits = 0;\n    var pos = bufferLength;\n    var i;\n\n    if (bits === 1 && colors === 1) {\n      // Optimized version of the loop in the \"else\"-branch\n      // for 1 bit-per-component and 1 color TIFF images.\n      for (i = 0; i < rowBytes; ++i) {\n        var c = rawBytes[i] ^ inbuf;\n        c ^= c >> 1;\n        c ^= c >> 2;\n        c ^= c >> 4;\n        inbuf = (c & 1) << 7;\n        buffer[pos++] = c;\n      }\n    } else if (bits === 8) {\n      for (i = 0; i < colors; ++i) {\n        buffer[pos++] = rawBytes[i];\n      }\n      for (; i < rowBytes; ++i) {\n        buffer[pos] = buffer[pos - colors] + rawBytes[i];\n        pos++;\n      }\n    } else if (bits === 16) {\n      var bytesPerPixel = colors * 2;\n      for (i = 0; i < bytesPerPixel; ++i) {\n        buffer[pos++] = rawBytes[i];\n      }\n      for (; i < rowBytes; i += 2) {\n        var sum =\n          ((rawBytes[i] & 0xff) << 8) +\n          (rawBytes[i + 1] & 0xff) +\n          ((buffer[pos - bytesPerPixel] & 0xff) << 8) +\n          (buffer[pos - bytesPerPixel + 1] & 0xff);\n        buffer[pos++] = (sum >> 8) & 0xff;\n        buffer[pos++] = sum & 0xff;\n      }\n    } else {\n      var compArray = new Uint8Array(colors + 1);\n      var bitMask = (1 << bits) - 1;\n      var j = 0,\n        k = bufferLength;\n      var columns = this.columns;\n      for (i = 0; i < columns; ++i) {\n        for (var kk = 0; kk < colors; ++kk) {\n          if (inbits < bits) {\n            inbuf = (inbuf << 8) | (rawBytes[j++] & 0xff);\n            inbits += 8;\n          }\n          compArray[kk] =\n            (compArray[kk] + (inbuf >> (inbits - bits))) & bitMask;\n          inbits -= bits;\n          outbuf = (outbuf << bits) | compArray[kk];\n          outbits += bits;\n          if (outbits >= 8) {\n            buffer[k++] = (outbuf >> (outbits - 8)) & 0xff;\n            outbits -= 8;\n          }\n        }\n      }\n      if (outbits > 0) {\n        buffer[k++] =\n          (outbuf << (8 - outbits)) + (inbuf & ((1 << (8 - outbits)) - 1));\n      }\n    }\n    this.bufferLength += rowBytes;\n  };\n\n  PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {\n    var rowBytes = this.rowBytes;\n    var pixBytes = this.pixBytes;\n\n    var predictor = this.str.getByte();\n    var rawBytes = this.str.getBytes(rowBytes);\n    this.eof = !rawBytes.length;\n    if (this.eof) {\n      return;\n    }\n\n    var bufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(bufferLength + rowBytes);\n\n    var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);\n    if (prevRow.length === 0) {\n      prevRow = new Uint8Array(rowBytes);\n    }\n\n    var i,\n      j = bufferLength,\n      up,\n      c;\n    switch (predictor) {\n      case 0:\n        for (i = 0; i < rowBytes; ++i) {\n          buffer[j++] = rawBytes[i];\n        }\n        break;\n      case 1:\n        for (i = 0; i < pixBytes; ++i) {\n          buffer[j++] = rawBytes[i];\n        }\n        for (; i < rowBytes; ++i) {\n          buffer[j] = (buffer[j - pixBytes] + rawBytes[i]) & 0xff;\n          j++;\n        }\n        break;\n      case 2:\n        for (i = 0; i < rowBytes; ++i) {\n          buffer[j++] = (prevRow[i] + rawBytes[i]) & 0xff;\n        }\n        break;\n      case 3:\n        for (i = 0; i < pixBytes; ++i) {\n          buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];\n        }\n        for (; i < rowBytes; ++i) {\n          buffer[j] =\n            (((prevRow[i] + buffer[j - pixBytes]) >> 1) + rawBytes[i]) & 0xff;\n          j++;\n        }\n        break;\n      case 4:\n        // we need to save the up left pixels values. the simplest way\n        // is to create a new buffer\n        for (i = 0; i < pixBytes; ++i) {\n          up = prevRow[i];\n          c = rawBytes[i];\n          buffer[j++] = up + c;\n        }\n        for (; i < rowBytes; ++i) {\n          up = prevRow[i];\n          var upLeft = prevRow[i - pixBytes];\n          var left = buffer[j - pixBytes];\n          var p = left + up - upLeft;\n\n          var pa = p - left;\n          if (pa < 0) {\n            pa = -pa;\n          }\n          var pb = p - up;\n          if (pb < 0) {\n            pb = -pb;\n          }\n          var pc = p - upLeft;\n          if (pc < 0) {\n            pc = -pc;\n          }\n\n          c = rawBytes[i];\n          if (pa <= pb && pa <= pc) {\n            buffer[j++] = left + c;\n          } else if (pb <= pc) {\n            buffer[j++] = up + c;\n          } else {\n            buffer[j++] = upLeft + c;\n          }\n        }\n        break;\n      default:\n        throw new FormatError(`Unsupported predictor: ${predictor}`);\n    }\n    this.bufferLength += rowBytes;\n  };\n\n  return PredictorStream;\n})();\n\nvar DecryptStream = (function DecryptStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function DecryptStream(str, maybeLength, decrypt) {\n    this.str = str;\n    this.dict = str.dict;\n    this.decrypt = decrypt;\n    this.nextChunk = null;\n    this.initialized = false;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  var chunkSize = 512;\n\n  DecryptStream.prototype = Object.create(DecodeStream.prototype);\n\n  DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {\n    var chunk;\n    if (this.initialized) {\n      chunk = this.nextChunk;\n    } else {\n      chunk = this.str.getBytes(chunkSize);\n      this.initialized = true;\n    }\n    if (!chunk || chunk.length === 0) {\n      this.eof = true;\n      return;\n    }\n    this.nextChunk = this.str.getBytes(chunkSize);\n    var hasMoreData = this.nextChunk && this.nextChunk.length > 0;\n\n    var decrypt = this.decrypt;\n    chunk = decrypt(chunk, !hasMoreData);\n\n    var bufferLength = this.bufferLength;\n    var i,\n      n = chunk.length;\n    var buffer = this.ensureBuffer(bufferLength + n);\n    for (i = 0; i < n; i++) {\n      buffer[bufferLength++] = chunk[i];\n    }\n    this.bufferLength = bufferLength;\n  };\n\n  return DecryptStream;\n})();\n\nvar Ascii85Stream = (function Ascii85StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Ascii85Stream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n    this.input = new Uint8Array(5);\n\n    // Most streams increase in size when decoded, but Ascii85 streams\n    // typically shrink by ~20%.\n    if (maybeLength) {\n      maybeLength = 0.8 * maybeLength;\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  Ascii85Stream.prototype = Object.create(DecodeStream.prototype);\n\n  Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {\n    var TILDA_CHAR = 0x7e; // '~'\n    var Z_LOWER_CHAR = 0x7a; // 'z'\n    var EOF = -1;\n\n    var str = this.str;\n\n    var c = str.getByte();\n    while (isWhiteSpace(c)) {\n      c = str.getByte();\n    }\n\n    if (c === EOF || c === TILDA_CHAR) {\n      this.eof = true;\n      return;\n    }\n\n    var bufferLength = this.bufferLength,\n      buffer;\n    var i;\n\n    // special code for z\n    if (c === Z_LOWER_CHAR) {\n      buffer = this.ensureBuffer(bufferLength + 4);\n      for (i = 0; i < 4; ++i) {\n        buffer[bufferLength + i] = 0;\n      }\n      this.bufferLength += 4;\n    } else {\n      var input = this.input;\n      input[0] = c;\n      for (i = 1; i < 5; ++i) {\n        c = str.getByte();\n        while (isWhiteSpace(c)) {\n          c = str.getByte();\n        }\n\n        input[i] = c;\n\n        if (c === EOF || c === TILDA_CHAR) {\n          break;\n        }\n      }\n      buffer = this.ensureBuffer(bufferLength + i - 1);\n      this.bufferLength += i - 1;\n\n      // partial ending;\n      if (i < 5) {\n        for (; i < 5; ++i) {\n          input[i] = 0x21 + 84;\n        }\n        this.eof = true;\n      }\n      var t = 0;\n      for (i = 0; i < 5; ++i) {\n        t = t * 85 + (input[i] - 0x21);\n      }\n\n      for (i = 3; i >= 0; --i) {\n        buffer[bufferLength + i] = t & 0xff;\n        t >>= 8;\n      }\n    }\n  };\n\n  return Ascii85Stream;\n})();\n\nvar AsciiHexStream = (function AsciiHexStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function AsciiHexStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    this.firstDigit = -1;\n\n    // Most streams increase in size when decoded, but AsciiHex streams shrink\n    // by 50%.\n    if (maybeLength) {\n      maybeLength = 0.5 * maybeLength;\n    }\n    DecodeStream.call(this, maybeLength);\n  }\n\n  AsciiHexStream.prototype = Object.create(DecodeStream.prototype);\n\n  AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {\n    var UPSTREAM_BLOCK_SIZE = 8000;\n    var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);\n    if (!bytes.length) {\n      this.eof = true;\n      return;\n    }\n\n    var maxDecodeLength = (bytes.length + 1) >> 1;\n    var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);\n    var bufferLength = this.bufferLength;\n\n    var firstDigit = this.firstDigit;\n    for (var i = 0, ii = bytes.length; i < ii; i++) {\n      var ch = bytes[i],\n        digit;\n      if (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) {\n        digit = ch & 0x0f;\n      } else if (\n        (ch >= /* 'A' = */ 0x41 && ch <= /* 'Z' = */ 0x46) ||\n        (ch >= /* 'a' = */ 0x61 && ch <= /* 'z' = */ 0x66)\n      ) {\n        digit = (ch & 0x0f) + 9;\n      } else if (ch === /* '>' = */ 0x3e) {\n        this.eof = true;\n        break;\n      } else {\n        // Probably whitespace, ignoring.\n        continue;\n      }\n      if (firstDigit < 0) {\n        firstDigit = digit;\n      } else {\n        buffer[bufferLength++] = (firstDigit << 4) | digit;\n        firstDigit = -1;\n      }\n    }\n    if (firstDigit >= 0 && this.eof) {\n      // incomplete byte\n      buffer[bufferLength++] = firstDigit << 4;\n      firstDigit = -1;\n    }\n    this.firstDigit = firstDigit;\n    this.bufferLength = bufferLength;\n  };\n\n  return AsciiHexStream;\n})();\n\nvar RunLengthStream = (function RunLengthStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function RunLengthStream(str, maybeLength) {\n    this.str = str;\n    this.dict = str.dict;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  RunLengthStream.prototype = Object.create(DecodeStream.prototype);\n\n  RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {\n    // The repeatHeader has following format. The first byte defines type of run\n    // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes\n    // (in addition to the second byte from the header), n = 129 through 255 -\n    // duplicate the second byte from the header (257 - n) times, n = 128 - end.\n    var repeatHeader = this.str.getBytes(2);\n    if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {\n      this.eof = true;\n      return;\n    }\n\n    var buffer;\n    var bufferLength = this.bufferLength;\n    var n = repeatHeader[0];\n    if (n < 128) {\n      // copy n bytes\n      buffer = this.ensureBuffer(bufferLength + n + 1);\n      buffer[bufferLength++] = repeatHeader[1];\n      if (n > 0) {\n        var source = this.str.getBytes(n);\n        buffer.set(source, bufferLength);\n        bufferLength += n;\n      }\n    } else {\n      n = 257 - n;\n      var b = repeatHeader[1];\n      buffer = this.ensureBuffer(bufferLength + n + 1);\n      for (var i = 0; i < n; i++) {\n        buffer[bufferLength++] = b;\n      }\n    }\n    this.bufferLength = bufferLength;\n  };\n\n  return RunLengthStream;\n})();\n\nvar LZWStream = (function LZWStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function LZWStream(str, maybeLength, earlyChange) {\n    this.str = str;\n    this.dict = str.dict;\n    this.cachedData = 0;\n    this.bitsCached = 0;\n\n    var maxLzwDictionarySize = 4096;\n    var lzwState = {\n      earlyChange,\n      codeLength: 9,\n      nextCode: 258,\n      dictionaryValues: new Uint8Array(maxLzwDictionarySize),\n      dictionaryLengths: new Uint16Array(maxLzwDictionarySize),\n      dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize),\n      currentSequence: new Uint8Array(maxLzwDictionarySize),\n      currentSequenceLength: 0,\n    };\n    for (var i = 0; i < 256; ++i) {\n      lzwState.dictionaryValues[i] = i;\n      lzwState.dictionaryLengths[i] = 1;\n    }\n    this.lzwState = lzwState;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  LZWStream.prototype = Object.create(DecodeStream.prototype);\n\n  LZWStream.prototype.readBits = function LZWStream_readBits(n) {\n    var bitsCached = this.bitsCached;\n    var cachedData = this.cachedData;\n    while (bitsCached < n) {\n      var c = this.str.getByte();\n      if (c === -1) {\n        this.eof = true;\n        return null;\n      }\n      cachedData = (cachedData << 8) | c;\n      bitsCached += 8;\n    }\n    this.bitsCached = bitsCached -= n;\n    this.cachedData = cachedData;\n    this.lastCode = null;\n    return (cachedData >>> bitsCached) & ((1 << n) - 1);\n  };\n\n  LZWStream.prototype.readBlock = function LZWStream_readBlock() {\n    var blockSize = 512;\n    var estimatedDecodedSize = blockSize * 2,\n      decodedSizeDelta = blockSize;\n    var i, j, q;\n\n    var lzwState = this.lzwState;\n    if (!lzwState) {\n      return; // eof was found\n    }\n\n    var earlyChange = lzwState.earlyChange;\n    var nextCode = lzwState.nextCode;\n    var dictionaryValues = lzwState.dictionaryValues;\n    var dictionaryLengths = lzwState.dictionaryLengths;\n    var dictionaryPrevCodes = lzwState.dictionaryPrevCodes;\n    var codeLength = lzwState.codeLength;\n    var prevCode = lzwState.prevCode;\n    var currentSequence = lzwState.currentSequence;\n    var currentSequenceLength = lzwState.currentSequenceLength;\n\n    var decodedLength = 0;\n    var currentBufferLength = this.bufferLength;\n    var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);\n\n    for (i = 0; i < blockSize; i++) {\n      var code = this.readBits(codeLength);\n      var hasPrev = currentSequenceLength > 0;\n      if (code < 256) {\n        currentSequence[0] = code;\n        currentSequenceLength = 1;\n      } else if (code >= 258) {\n        if (code < nextCode) {\n          currentSequenceLength = dictionaryLengths[code];\n          for (j = currentSequenceLength - 1, q = code; j >= 0; j--) {\n            currentSequence[j] = dictionaryValues[q];\n            q = dictionaryPrevCodes[q];\n          }\n        } else {\n          currentSequence[currentSequenceLength++] = currentSequence[0];\n        }\n      } else if (code === 256) {\n        codeLength = 9;\n        nextCode = 258;\n        currentSequenceLength = 0;\n        continue;\n      } else {\n        this.eof = true;\n        delete this.lzwState;\n        break;\n      }\n\n      if (hasPrev) {\n        dictionaryPrevCodes[nextCode] = prevCode;\n        dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1;\n        dictionaryValues[nextCode] = currentSequence[0];\n        nextCode++;\n        codeLength =\n          (nextCode + earlyChange) & (nextCode + earlyChange - 1)\n            ? codeLength\n            : Math.min(\n                Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1,\n                12\n              ) | 0;\n      }\n      prevCode = code;\n\n      decodedLength += currentSequenceLength;\n      if (estimatedDecodedSize < decodedLength) {\n        do {\n          estimatedDecodedSize += decodedSizeDelta;\n        } while (estimatedDecodedSize < decodedLength);\n        buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);\n      }\n      for (j = 0; j < currentSequenceLength; j++) {\n        buffer[currentBufferLength++] = currentSequence[j];\n      }\n    }\n    lzwState.nextCode = nextCode;\n    lzwState.codeLength = codeLength;\n    lzwState.prevCode = prevCode;\n    lzwState.currentSequenceLength = currentSequenceLength;\n\n    this.bufferLength = currentBufferLength;\n  };\n\n  return LZWStream;\n})();\n\nvar NullStream = (function NullStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullStream() {\n    Stream.call(this, new Uint8Array(0));\n  }\n\n  NullStream.prototype = Stream.prototype;\n\n  return NullStream;\n})();\n\nexport {\n  Ascii85Stream,\n  AsciiHexStream,\n  DecryptStream,\n  DecodeStream,\n  FlateStream,\n  NullStream,\n  PredictorStream,\n  RunLengthStream,\n  Stream,\n  StreamsSequenceStream,\n  StringStream,\n  LZWStream,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Dict, isDict } from \"./primitives.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\nimport { DecodeStream } from \"./stream.js\";\n\nvar CCITTFaxStream = (function CCITTFaxStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxStream(str, maybeLength, params) {\n    this.str = str;\n    this.dict = str.dict;\n\n    if (!isDict(params)) {\n      params = Dict.empty;\n    }\n\n    const source = {\n      next() {\n        return str.getByte();\n      },\n    };\n    this.ccittFaxDecoder = new CCITTFaxDecoder(source, {\n      K: params.get(\"K\"),\n      EndOfLine: params.get(\"EndOfLine\"),\n      EncodedByteAlign: params.get(\"EncodedByteAlign\"),\n      Columns: params.get(\"Columns\"),\n      Rows: params.get(\"Rows\"),\n      EndOfBlock: params.get(\"EndOfBlock\"),\n      BlackIs1: params.get(\"BlackIs1\"),\n    });\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  CCITTFaxStream.prototype = Object.create(DecodeStream.prototype);\n\n  CCITTFaxStream.prototype.readBlock = function () {\n    while (!this.eof) {\n      const c = this.ccittFaxDecoder.readNextChar();\n      if (c === -1) {\n        this.eof = true;\n        return;\n      }\n      this.ensureBuffer(this.bufferLength + 1);\n      this.buffer[this.bufferLength++] = c;\n    }\n  };\n\n  return CCITTFaxStream;\n})();\n\nexport { CCITTFaxStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The CCITT stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\n/**\n * @typedef {Object} CCITTFaxDecoderSource\n * @property {function} next - Method that return one byte of data for decoding,\n *   or -1 when EOF is reached.\n */\n\nimport { info } from \"../shared/util.js\";\n\nconst CCITTFaxDecoder = (function CCITTFaxDecoder() {\n  const ccittEOL = -2;\n  const ccittEOF = -1;\n  const twoDimPass = 0;\n  const twoDimHoriz = 1;\n  const twoDimVert0 = 2;\n  const twoDimVertR1 = 3;\n  const twoDimVertL1 = 4;\n  const twoDimVertR2 = 5;\n  const twoDimVertL2 = 6;\n  const twoDimVertR3 = 7;\n  const twoDimVertL3 = 8;\n\n  // prettier-ignore\n  const twoDimTable = [\n    [-1, -1], [-1, -1],                   // 000000x\n    [7, twoDimVertL3],                    // 0000010\n    [7, twoDimVertR3],                    // 0000011\n    [6, twoDimVertL2], [6, twoDimVertL2], // 000010x\n    [6, twoDimVertR2], [6, twoDimVertR2], // 000011x\n    [4, twoDimPass], [4, twoDimPass],     // 0001xxx\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [3, twoDimHoriz], [3, twoDimHoriz],   // 001xxxx\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [1, twoDimVert0], [1, twoDimVert0],   // 1xxxxxx\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0]\n  ];\n\n  // prettier-ignore\n  const whiteTable1 = [\n    [-1, -1],                               // 00000\n    [12, ccittEOL],                         // 00001\n    [-1, -1], [-1, -1],                     // 0001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx\n    [11, 1792], [11, 1792],                 // 1000x\n    [12, 1984],                             // 10010\n    [12, 2048],                             // 10011\n    [12, 2112],                             // 10100\n    [12, 2176],                             // 10101\n    [12, 2240],                             // 10110\n    [12, 2304],                             // 10111\n    [11, 1856], [11, 1856],                 // 1100x\n    [11, 1920], [11, 1920],                 // 1101x\n    [12, 2368],                             // 11100\n    [12, 2432],                             // 11101\n    [12, 2496],                             // 11110\n    [12, 2560]                              // 11111\n  ];\n\n  // prettier-ignore\n  const whiteTable2 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],     // 0000000xx\n    [8, 29], [8, 29],                           // 00000010x\n    [8, 30], [8, 30],                           // 00000011x\n    [8, 45], [8, 45],                           // 00000100x\n    [8, 46], [8, 46],                           // 00000101x\n    [7, 22], [7, 22], [7, 22], [7, 22],         // 0000011xx\n    [7, 23], [7, 23], [7, 23], [7, 23],         // 0000100xx\n    [8, 47], [8, 47],                           // 00001010x\n    [8, 48], [8, 48],                           // 00001011x\n    [6, 13], [6, 13], [6, 13], [6, 13],         // 000011xxx\n    [6, 13], [6, 13], [6, 13], [6, 13],\n    [7, 20], [7, 20], [7, 20], [7, 20],         // 0001000xx\n    [8, 33], [8, 33],                           // 00010010x\n    [8, 34], [8, 34],                           // 00010011x\n    [8, 35], [8, 35],                           // 00010100x\n    [8, 36], [8, 36],                           // 00010101x\n    [8, 37], [8, 37],                           // 00010110x\n    [8, 38], [8, 38],                           // 00010111x\n    [7, 19], [7, 19], [7, 19], [7, 19],         // 0001100xx\n    [8, 31], [8, 31],                           // 00011010x\n    [8, 32], [8, 32],                           // 00011011x\n    [6, 1], [6, 1], [6, 1], [6, 1],             // 000111xxx\n    [6, 1], [6, 1], [6, 1], [6, 1],\n    [6, 12], [6, 12], [6, 12], [6, 12],         // 001000xxx\n    [6, 12], [6, 12], [6, 12], [6, 12],\n    [8, 53], [8, 53],                           // 00100100x\n    [8, 54], [8, 54],                           // 00100101x\n    [7, 26], [7, 26], [7, 26], [7, 26],         // 0010011xx\n    [8, 39], [8, 39],                           // 00101000x\n    [8, 40], [8, 40],                           // 00101001x\n    [8, 41], [8, 41],                           // 00101010x\n    [8, 42], [8, 42],                           // 00101011x\n    [8, 43], [8, 43],                           // 00101100x\n    [8, 44], [8, 44],                           // 00101101x\n    [7, 21], [7, 21], [7, 21], [7, 21],         // 0010111xx\n    [7, 28], [7, 28], [7, 28], [7, 28],         // 0011000xx\n    [8, 61], [8, 61],                           // 00110010x\n    [8, 62], [8, 62],                           // 00110011x\n    [8, 63], [8, 63],                           // 00110100x\n    [8, 0], [8, 0],                             // 00110101x\n    [8, 320], [8, 320],                         // 00110110x\n    [8, 384], [8, 384],                         // 00110111x\n    [5, 10], [5, 10], [5, 10], [5, 10],         // 00111xxxx\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 11], [5, 11], [5, 11], [5, 11],         // 01000xxxx\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [7, 27], [7, 27], [7, 27], [7, 27],         // 0100100xx\n    [8, 59], [8, 59],                           // 01001010x\n    [8, 60], [8, 60],                           // 01001011x\n    [9, 1472],                                  // 010011000\n    [9, 1536],                                  // 010011001\n    [9, 1600],                                  // 010011010\n    [9, 1728],                                  // 010011011\n    [7, 18], [7, 18], [7, 18], [7, 18],         // 0100111xx\n    [7, 24], [7, 24], [7, 24], [7, 24],         // 0101000xx\n    [8, 49], [8, 49],                           // 01010010x\n    [8, 50], [8, 50],                           // 01010011x\n    [8, 51], [8, 51],                           // 01010100x\n    [8, 52], [8, 52],                           // 01010101x\n    [7, 25], [7, 25], [7, 25], [7, 25],         // 0101011xx\n    [8, 55], [8, 55],                           // 01011000x\n    [8, 56], [8, 56],                           // 01011001x\n    [8, 57], [8, 57],                           // 01011010x\n    [8, 58], [8, 58],                           // 01011011x\n    [6, 192], [6, 192], [6, 192], [6, 192],     // 010111xxx\n    [6, 192], [6, 192], [6, 192], [6, 192],\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664],\n    [8, 448], [8, 448],                         // 01100100x\n    [8, 512], [8, 512],                         // 01100101x\n    [9, 704],                                   // 011001100\n    [9, 768],                                   // 011001101\n    [8, 640], [8, 640],                         // 01100111x\n    [8, 576], [8, 576],                         // 01101000x\n    [9, 832],                                   // 011010010\n    [9, 896],                                   // 011010011\n    [9, 960],                                   // 011010100\n    [9, 1024],                                  // 011010101\n    [9, 1088],                                  // 011010110\n    [9, 1152],                                  // 011010111\n    [9, 1216],                                  // 011011000\n    [9, 1280],                                  // 011011001\n    [9, 1344],                                  // 011011010\n    [9, 1408],                                  // 011011011\n    [7, 256], [7, 256], [7, 256], [7, 256],     // 0110111xx\n    [4, 2], [4, 2], [4, 2], [4, 2],             // 0111xxxxx\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 3], [4, 3], [4, 3], [4, 3],             // 1000xxxxx\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [5, 128], [5, 128], [5, 128], [5, 128],     // 10010xxxx\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 8], [5, 8], [5, 8], [5, 8],             // 10011xxxx\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 9], [5, 9], [5, 9], [5, 9],             // 10100xxxx\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [6, 16], [6, 16], [6, 16], [6, 16],         // 101010xxx\n    [6, 16], [6, 16], [6, 16], [6, 16],\n    [6, 17], [6, 17], [6, 17], [6, 17],         // 101011xxx\n    [6, 17], [6, 17], [6, 17], [6, 17],\n    [4, 4], [4, 4], [4, 4], [4, 4],             // 1011xxxxx\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 5], [4, 5], [4, 5], [4, 5],             // 1100xxxxx\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [6, 14], [6, 14], [6, 14], [6, 14],         // 110100xxx\n    [6, 14], [6, 14], [6, 14], [6, 14],\n    [6, 15], [6, 15], [6, 15], [6, 15],         // 110101xxx\n    [6, 15], [6, 15], [6, 15], [6, 15],\n    [5, 64], [5, 64], [5, 64], [5, 64],         // 11011xxxx\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [4, 6], [4, 6], [4, 6], [4, 6],             // 1110xxxxx\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 7], [4, 7], [4, 7], [4, 7],             // 1111xxxxx\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7]\n  ];\n\n  // prettier-ignore\n  const blackTable1 = [\n    [-1, -1], [-1, -1],                             // 000000000000x\n    [12, ccittEOL], [12, ccittEOL],                 // 000000000001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000011xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000100xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000101xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000110xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000111xx\n    [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx\n    [12, 1984], [12, 1984],                         // 000000010010x\n    [12, 2048], [12, 2048],                         // 000000010011x\n    [12, 2112], [12, 2112],                         // 000000010100x\n    [12, 2176], [12, 2176],                         // 000000010101x\n    [12, 2240], [12, 2240],                         // 000000010110x\n    [12, 2304], [12, 2304],                         // 000000010111x\n    [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx\n    [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx\n    [12, 2368], [12, 2368],                         // 000000011100x\n    [12, 2432], [12, 2432],                         // 000000011101x\n    [12, 2496], [12, 2496],                         // 000000011110x\n    [12, 2560], [12, 2560],                         // 000000011111x\n    [10, 18], [10, 18], [10, 18], [10, 18],         // 0000001000xxx\n    [10, 18], [10, 18], [10, 18], [10, 18],\n    [12, 52], [12, 52],                             // 000000100100x\n    [13, 640],                                      // 0000001001010\n    [13, 704],                                      // 0000001001011\n    [13, 768],                                      // 0000001001100\n    [13, 832],                                      // 0000001001101\n    [12, 55], [12, 55],                             // 000000100111x\n    [12, 56], [12, 56],                             // 000000101000x\n    [13, 1280],                                     // 0000001010010\n    [13, 1344],                                     // 0000001010011\n    [13, 1408],                                     // 0000001010100\n    [13, 1472],                                     // 0000001010101\n    [12, 59], [12, 59],                             // 000000101011x\n    [12, 60], [12, 60],                             // 000000101100x\n    [13, 1536],                                     // 0000001011010\n    [13, 1600],                                     // 0000001011011\n    [11, 24], [11, 24], [11, 24], [11, 24],         // 00000010111xx\n    [11, 25], [11, 25], [11, 25], [11, 25],         // 00000011000xx\n    [13, 1664],                                     // 0000001100100\n    [13, 1728],                                     // 0000001100101\n    [12, 320], [12, 320],                           // 000000110011x\n    [12, 384], [12, 384],                           // 000000110100x\n    [12, 448], [12, 448],                           // 000000110101x\n    [13, 512],                                      // 0000001101100\n    [13, 576],                                      // 0000001101101\n    [12, 53], [12, 53],                             // 000000110111x\n    [12, 54], [12, 54],                             // 000000111000x\n    [13, 896],                                      // 0000001110010\n    [13, 960],                                      // 0000001110011\n    [13, 1024],                                     // 0000001110100\n    [13, 1088],                                     // 0000001110101\n    [13, 1152],                                     // 0000001110110\n    [13, 1216],                                     // 0000001110111\n    [10, 64], [10, 64], [10, 64], [10, 64],         // 0000001111xxx\n    [10, 64], [10, 64], [10, 64], [10, 64]\n  ];\n\n  // prettier-ignore\n  const blackTable2 = [\n    [8, 13], [8, 13], [8, 13], [8, 13],     // 00000100xxxx\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [11, 23], [11, 23],                     // 00000101000x\n    [12, 50],                               // 000001010010\n    [12, 51],                               // 000001010011\n    [12, 44],                               // 000001010100\n    [12, 45],                               // 000001010101\n    [12, 46],                               // 000001010110\n    [12, 47],                               // 000001010111\n    [12, 57],                               // 000001011000\n    [12, 58],                               // 000001011001\n    [12, 61],                               // 000001011010\n    [12, 256],                              // 000001011011\n    [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx\n    [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx\n    [12, 48],                               // 000001100100\n    [12, 49],                               // 000001100101\n    [12, 62],                               // 000001100110\n    [12, 63],                               // 000001100111\n    [12, 30],                               // 000001101000\n    [12, 31],                               // 000001101001\n    [12, 32],                               // 000001101010\n    [12, 33],                               // 000001101011\n    [12, 40],                               // 000001101100\n    [12, 41],                               // 000001101101\n    [11, 22], [11, 22],                     // 00000110111x\n    [8, 14], [8, 14], [8, 14], [8, 14],     // 00000111xxxx\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [7, 10], [7, 10], [7, 10], [7, 10],     // 0000100xxxxx\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 11], [7, 11], [7, 11], [7, 11],     // 0000101xxxxx\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [9, 15], [9, 15], [9, 15], [9, 15],     // 000011000xxx\n    [9, 15], [9, 15], [9, 15], [9, 15],\n    [12, 128],                              // 000011001000\n    [12, 192],                              // 000011001001\n    [12, 26],                               // 000011001010\n    [12, 27],                               // 000011001011\n    [12, 28],                               // 000011001100\n    [12, 29],                               // 000011001101\n    [11, 19], [11, 19],                     // 00001100111x\n    [11, 20], [11, 20],                     // 00001101000x\n    [12, 34],                               // 000011010010\n    [12, 35],                               // 000011010011\n    [12, 36],                               // 000011010100\n    [12, 37],                               // 000011010101\n    [12, 38],                               // 000011010110\n    [12, 39],                               // 000011010111\n    [11, 21], [11, 21],                     // 00001101100x\n    [12, 42],                               // 000011011010\n    [12, 43],                               // 000011011011\n    [10, 0], [10, 0], [10, 0], [10, 0],     // 0000110111xx\n    [7, 12], [7, 12], [7, 12], [7, 12],     // 0000111xxxxx\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12]\n  ];\n\n  // prettier-ignore\n  const blackTable3 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx\n    [6, 9],                                 // 000100\n    [6, 8],                                 // 000101\n    [5, 7], [5, 7],                         // 00011x\n    [4, 6], [4, 6], [4, 6], [4, 6],         // 0010xx\n    [4, 5], [4, 5], [4, 5], [4, 5],         // 0011xx\n    [3, 1], [3, 1], [3, 1], [3, 1],         // 010xxx\n    [3, 1], [3, 1], [3, 1], [3, 1],\n    [3, 4], [3, 4], [3, 4], [3, 4],         // 011xxx\n    [3, 4], [3, 4], [3, 4], [3, 4],\n    [2, 3], [2, 3], [2, 3], [2, 3],         // 10xxxx\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 2], [2, 2], [2, 2], [2, 2],         // 11xxxx\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2]\n  ];\n\n  /**\n   * @param {CCITTFaxDecoderSource} source - The data which should be decoded.\n   * @param {Object} [options] - Decoding options.\n   */\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxDecoder(source, options = {}) {\n    if (!source || typeof source.next !== \"function\") {\n      throw new Error('CCITTFaxDecoder - invalid \"source\" parameter.');\n    }\n    this.source = source;\n    this.eof = false;\n\n    this.encoding = options.K || 0;\n    this.eoline = options.EndOfLine || false;\n    this.byteAlign = options.EncodedByteAlign || false;\n    this.columns = options.Columns || 1728;\n    this.rows = options.Rows || 0;\n    let eoblock = options.EndOfBlock;\n    if (eoblock === null || eoblock === undefined) {\n      eoblock = true;\n    }\n    this.eoblock = eoblock;\n    this.black = options.BlackIs1 || false;\n\n    this.codingLine = new Uint32Array(this.columns + 1);\n    this.refLine = new Uint32Array(this.columns + 2);\n\n    this.codingLine[0] = this.columns;\n    this.codingPos = 0;\n\n    this.row = 0;\n    this.nextLine2D = this.encoding < 0;\n    this.inputBits = 0;\n    this.inputBuf = 0;\n    this.outputBits = 0;\n    this.rowsDone = false;\n\n    let code1;\n    while ((code1 = this._lookBits(12)) === 0) {\n      this._eatBits(1);\n    }\n    if (code1 === 1) {\n      this._eatBits(12);\n    }\n    if (this.encoding > 0) {\n      this.nextLine2D = !this._lookBits(1);\n      this._eatBits(1);\n    }\n  }\n\n  CCITTFaxDecoder.prototype = {\n    readNextChar() {\n      if (this.eof) {\n        return -1;\n      }\n      const refLine = this.refLine;\n      const codingLine = this.codingLine;\n      const columns = this.columns;\n\n      let refPos, blackPixels, bits, i;\n\n      if (this.outputBits === 0) {\n        if (this.rowsDone) {\n          this.eof = true;\n        }\n        if (this.eof) {\n          return -1;\n        }\n        this.err = false;\n\n        let code1, code2, code3;\n        if (this.nextLine2D) {\n          for (i = 0; codingLine[i] < columns; ++i) {\n            refLine[i] = codingLine[i];\n          }\n          refLine[i++] = columns;\n          refLine[i] = columns;\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          refPos = 0;\n          blackPixels = 0;\n\n          while (codingLine[this.codingPos] < columns) {\n            code1 = this._getTwoDimCode();\n            switch (code1) {\n              case twoDimPass:\n                this._addPixels(refLine[refPos + 1], blackPixels);\n                if (refLine[refPos + 1] < columns) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimHoriz:\n                code1 = code2 = 0;\n                if (blackPixels) {\n                  do {\n                    code1 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                } else {\n                  do {\n                    code1 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                }\n                this._addPixels(\n                  codingLine[this.codingPos] + code1,\n                  blackPixels\n                );\n                if (codingLine[this.codingPos] < columns) {\n                  this._addPixels(\n                    codingLine[this.codingPos] + code2,\n                    blackPixels ^ 1\n                  );\n                }\n                while (\n                  refLine[refPos] <= codingLine[this.codingPos] &&\n                  refLine[refPos] < columns\n                ) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimVertR3:\n                this._addPixels(refLine[refPos] + 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR2:\n                this._addPixels(refLine[refPos] + 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR1:\n                this._addPixels(refLine[refPos] + 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVert0:\n                this._addPixels(refLine[refPos], blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL3:\n                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL2:\n                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL1:\n                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case ccittEOF:\n                this._addPixels(columns, 0);\n                this.eof = true;\n                break;\n              default:\n                info(\"bad 2d code\");\n                this._addPixels(columns, 0);\n                this.err = true;\n            }\n          }\n        } else {\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          blackPixels = 0;\n          while (codingLine[this.codingPos] < columns) {\n            code1 = 0;\n            if (blackPixels) {\n              do {\n                code1 += code3 = this._getBlackCode();\n              } while (code3 >= 64);\n            } else {\n              do {\n                code1 += code3 = this._getWhiteCode();\n              } while (code3 >= 64);\n            }\n            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);\n            blackPixels ^= 1;\n          }\n        }\n\n        let gotEOL = false;\n\n        if (this.byteAlign) {\n          this.inputBits &= ~7;\n        }\n\n        if (!this.eoblock && this.row === this.rows - 1) {\n          this.rowsDone = true;\n        } else {\n          code1 = this._lookBits(12);\n          if (this.eoline) {\n            while (code1 !== ccittEOF && code1 !== 1) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          } else {\n            while (code1 === 0) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          }\n          if (code1 === 1) {\n            this._eatBits(12);\n            gotEOL = true;\n          } else if (code1 === ccittEOF) {\n            this.eof = true;\n          }\n        }\n\n        if (!this.eof && this.encoding > 0 && !this.rowsDone) {\n          this.nextLine2D = !this._lookBits(1);\n          this._eatBits(1);\n        }\n\n        if (this.eoblock && gotEOL && this.byteAlign) {\n          code1 = this._lookBits(12);\n          if (code1 === 1) {\n            this._eatBits(12);\n            if (this.encoding > 0) {\n              this._lookBits(1);\n              this._eatBits(1);\n            }\n            if (this.encoding >= 0) {\n              for (i = 0; i < 4; ++i) {\n                code1 = this._lookBits(12);\n                if (code1 !== 1) {\n                  info(\"bad rtc code: \" + code1);\n                }\n                this._eatBits(12);\n                if (this.encoding > 0) {\n                  this._lookBits(1);\n                  this._eatBits(1);\n                }\n              }\n            }\n            this.eof = true;\n          }\n        } else if (this.err && this.eoline) {\n          while (true) {\n            code1 = this._lookBits(13);\n            if (code1 === ccittEOF) {\n              this.eof = true;\n              return -1;\n            }\n            if (code1 >> 1 === 1) {\n              break;\n            }\n            this._eatBits(1);\n          }\n          this._eatBits(12);\n          if (this.encoding > 0) {\n            this._eatBits(1);\n            this.nextLine2D = !(code1 & 1);\n          }\n        }\n\n        if (codingLine[0] > 0) {\n          this.outputBits = codingLine[(this.codingPos = 0)];\n        } else {\n          this.outputBits = codingLine[(this.codingPos = 1)];\n        }\n        this.row++;\n      }\n\n      let c;\n      if (this.outputBits >= 8) {\n        c = this.codingPos & 1 ? 0 : 0xff;\n        this.outputBits -= 8;\n        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {\n          this.codingPos++;\n          this.outputBits =\n            codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n        }\n      } else {\n        bits = 8;\n        c = 0;\n        do {\n          if (this.outputBits > bits) {\n            c <<= bits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - bits);\n            }\n            this.outputBits -= bits;\n            bits = 0;\n          } else {\n            c <<= this.outputBits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - this.outputBits);\n            }\n            bits -= this.outputBits;\n            this.outputBits = 0;\n            if (codingLine[this.codingPos] < columns) {\n              this.codingPos++;\n              this.outputBits =\n                codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n            } else if (bits > 0) {\n              c <<= bits;\n              bits = 0;\n            }\n          }\n        } while (bits);\n      }\n      if (this.black) {\n        c ^= 0xff;\n      }\n      return c;\n    },\n\n    /**\n     * @private\n     */\n    _addPixels(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      }\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * @private\n     */\n    _addPixelsNeg(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      } else if (a1 < codingLine[codingPos]) {\n        if (a1 < 0) {\n          info(\"invalid code\");\n          this.err = true;\n          a1 = 0;\n        }\n        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {\n          --codingPos;\n        }\n        codingLine[codingPos] = a1;\n      }\n\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * This function returns the code found from the table.\n     * The start and end parameters set the boundaries for searching the table.\n     * The limit parameter is optional. Function returns an array with three\n     * values. The first array element indicates whether a valid code is being\n     * returned. The second array element is the actual code. The third array\n     * element indicates whether EOF was reached.\n     * @private\n     */\n    _findTableCode(start, end, table, limit) {\n      const limitValue = limit || 0;\n      for (let i = start; i <= end; ++i) {\n        let code = this._lookBits(i);\n        if (code === ccittEOF) {\n          return [true, 1, false];\n        }\n        if (i < end) {\n          code <<= end - i;\n        }\n        if (!limitValue || code >= limitValue) {\n          const p = table[code - limitValue];\n          if (p[0] === i) {\n            this._eatBits(i);\n            return [true, p[1], true];\n          }\n        }\n      }\n      return [false, 0, false];\n    },\n\n    /**\n     * @private\n     */\n    _getTwoDimCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(7);\n        p = twoDimTable[code];\n        if (p && p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        const result = this._findTableCode(1, 7, twoDimTable);\n        if (result[0] && result[2]) {\n          return result[1];\n        }\n      }\n      info(\"Bad two dim code\");\n      return ccittEOF;\n    },\n\n    /**\n     * @private\n     */\n    _getWhiteCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(12);\n        if (code === ccittEOF) {\n          return 1;\n        }\n\n        if (code >> 5 === 0) {\n          p = whiteTable1[code];\n        } else {\n          p = whiteTable2[code >> 3];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(1, 9, whiteTable2);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(11, 12, whiteTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad white code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _getBlackCode() {\n      let code, p;\n      if (this.eoblock) {\n        code = this._lookBits(13);\n        if (code === ccittEOF) {\n          return 1;\n        }\n        if (code >> 7 === 0) {\n          p = blackTable1[code];\n        } else if (code >> 9 === 0 && code >> 7 !== 0) {\n          p = blackTable2[(code >> 1) - 64];\n        } else {\n          p = blackTable3[code >> 7];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(2, 6, blackTable3);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(7, 12, blackTable2, 64);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(10, 13, blackTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad black code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _lookBits(n) {\n      let c;\n      while (this.inputBits < n) {\n        if ((c = this.source.next()) === -1) {\n          if (this.inputBits === 0) {\n            return ccittEOF;\n          }\n          return (this.inputBuf << (n - this.inputBits)) & (0xffff >> (16 - n));\n        }\n        this.inputBuf = (this.inputBuf << 8) | c;\n        this.inputBits += 8;\n      }\n      return (this.inputBuf >> (this.inputBits - n)) & (0xffff >> (16 - n));\n    },\n\n    /**\n     * @private\n     */\n    _eatBits(n) {\n      if ((this.inputBits -= n) < 0) {\n        this.inputBits = 0;\n      }\n    },\n  };\n\n  return CCITTFaxDecoder;\n})();\n\nexport { CCITTFaxDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { isDict, isStream } from \"./primitives.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { Jbig2Image } from \"./jbig2.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JBIG2's we use a library to decode these images and\n * the stream behaves like all the other DecodeStreams.\n */\nconst Jbig2Stream = (function Jbig2StreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function Jbig2Stream(stream, maybeLength, dict, params) {\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  Jbig2Stream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(Jbig2Stream.prototype, \"bytes\", {\n    get() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  Jbig2Stream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  Jbig2Stream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jbig2Image = new Jbig2Image();\n\n    const chunks = [];\n    if (isDict(this.params)) {\n      const globalsStream = this.params.get(\"JBIG2Globals\");\n      if (isStream(globalsStream)) {\n        const globals = globalsStream.getBytes();\n        chunks.push({ data: globals, start: 0, end: globals.length });\n      }\n    }\n    chunks.push({ data: this.bytes, start: 0, end: this.bytes.length });\n    const data = jbig2Image.parseChunks(chunks);\n    const dataLength = data.length;\n\n    // JBIG2 had black as 1 and white as 0, inverting the colors\n    for (let i = 0; i < dataLength; i++) {\n      data[i] ^= 0xff;\n    }\n    this.buffer = data;\n    this.bufferLength = dataLength;\n    this.eof = true;\n  };\n\n  return Jbig2Stream;\n})();\n\nexport { Jbig2Stream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, shadow } from \"../shared/util.js\";\nimport { log2, readInt8, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\n\nclass Jbig2Error extends BaseException {\n  constructor(msg) {\n    super(`JBIG2 error: ${msg}`);\n  }\n}\n\nvar Jbig2Image = (function Jbig2ImageClosure() {\n  // Utility data structures\n  function ContextCache() {}\n\n  ContextCache.prototype = {\n    getContexts(id) {\n      if (id in this) {\n        return this[id];\n      }\n      return (this[id] = new Int8Array(1 << 16));\n    },\n  };\n\n  function DecodingContext(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n  }\n\n  DecodingContext.prototype = {\n    get decoder() {\n      var decoder = new ArithmeticDecoder(this.data, this.start, this.end);\n      return shadow(this, \"decoder\", decoder);\n    },\n    get contextCache() {\n      var cache = new ContextCache();\n      return shadow(this, \"contextCache\", cache);\n    },\n  };\n\n  // Annex A. Arithmetic Integer Decoding Procedure\n  // A.2 Procedure for decoding values\n  function decodeInteger(contextCache, procedure, decoder) {\n    var contexts = contextCache.getContexts(procedure);\n    var prev = 1;\n\n    function readBits(length) {\n      var v = 0;\n      for (var i = 0; i < length; i++) {\n        var bit = decoder.readBit(contexts, prev);\n        prev =\n          prev < 256 ? (prev << 1) | bit : (((prev << 1) | bit) & 511) | 256;\n        v = (v << 1) | bit;\n      }\n      return v >>> 0;\n    }\n\n    var sign = readBits(1);\n    // prettier-ignore\n    /* eslint-disable no-nested-ternary */\n    var value = readBits(1) ?\n                  (readBits(1) ?\n                    (readBits(1) ?\n                      (readBits(1) ?\n                        (readBits(1) ?\n                          (readBits(32) + 4436) :\n                        readBits(12) + 340) :\n                      readBits(8) + 84) :\n                    readBits(6) + 20) :\n                  readBits(4) + 4) :\n                readBits(2);\n    /* eslint-enable no-nested-ternary */\n    if (sign === 0) {\n      return value;\n    } else if (value > 0) {\n      return -value;\n    }\n    return null;\n  }\n\n  // A.3 The IAID decoding procedure\n  function decodeIAID(contextCache, decoder, codeLength) {\n    var contexts = contextCache.getContexts(\"IAID\");\n\n    var prev = 1;\n    for (var i = 0; i < codeLength; i++) {\n      var bit = decoder.readBit(contexts, prev);\n      prev = (prev << 1) | bit;\n    }\n    if (codeLength < 31) {\n      return prev & ((1 << codeLength) - 1);\n    }\n    return prev & 0x7fffffff;\n  }\n\n  // 7.3 Segment types\n  var SegmentTypes = [\n    \"SymbolDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateTextRegion\",\n    null,\n    \"ImmediateTextRegion\",\n    \"ImmediateLosslessTextRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"PatternDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateHalftoneRegion\",\n    null,\n    \"ImmediateHalftoneRegion\",\n    \"ImmediateLosslessHalftoneRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"IntermediateGenericRegion\",\n    null,\n    \"ImmediateGenericRegion\",\n    \"ImmediateLosslessGenericRegion\",\n    \"IntermediateGenericRefinementRegion\",\n    null,\n    \"ImmediateGenericRefinementRegion\",\n    \"ImmediateLosslessGenericRefinementRegion\",\n    null,\n    null,\n    null,\n    null,\n    \"PageInformation\",\n    \"EndOfPage\",\n    \"EndOfStripe\",\n    \"EndOfFile\",\n    \"Profiles\",\n    \"Tables\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"Extension\",\n  ];\n\n  var CodingTemplates = [\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: 2, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -3, y: -1 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n  ];\n\n  var RefinementTemplates = [\n    {\n      coding: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: -1, y: 1 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n    {\n      coding: [\n        { x: -1, y: -1 },\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n  ];\n\n  // See 6.2.5.7 Decoding the bitmap.\n  var ReusedContexts = [\n    0x9b25, // 10011 0110010 0101\n    0x0795, // 0011 110010 101\n    0x00e5, // 001 11001 01\n    0x0195, // 011001 0101\n  ];\n\n  var RefinementReusedContexts = [\n    0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference)\n    0x0008, // '0000' + '001000'\n  ];\n\n  function decodeBitmapTemplate0(width, height, decodingContext) {\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n    var contextLabel,\n      i,\n      j,\n      pixel,\n      row,\n      row1,\n      row2,\n      bitmap = [];\n\n    // ...ooooo....\n    // ..ooooooo... Context template for current pixel (X)\n    // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel)\n    var OLD_PIXEL_MASK = 0x7bf7; // 01111 0111111 0111\n\n    for (i = 0; i < height; i++) {\n      row = bitmap[i] = new Uint8Array(width);\n      row1 = i < 1 ? row : bitmap[i - 1];\n      row2 = i < 2 ? row : bitmap[i - 2];\n\n      // At the beginning of each row:\n      // Fill contextLabel with pixels that are above/right of (X)\n      contextLabel =\n        (row2[0] << 13) |\n        (row2[1] << 12) |\n        (row2[2] << 11) |\n        (row1[0] << 7) |\n        (row1[1] << 6) |\n        (row1[2] << 5) |\n        (row1[3] << 4);\n\n      for (j = 0; j < width; j++) {\n        row[j] = pixel = decoder.readBit(contexts, contextLabel);\n\n        // At each pixel: Clear contextLabel pixels that are shifted\n        // out of the context, then add new ones.\n        contextLabel =\n          ((contextLabel & OLD_PIXEL_MASK) << 1) |\n          (j + 3 < width ? row2[j + 3] << 11 : 0) |\n          (j + 4 < width ? row1[j + 4] << 4 : 0) |\n          pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.2 Generic Region Decoding Procedure\n  function decodeBitmap(\n    mmr,\n    width,\n    height,\n    templateIndex,\n    prediction,\n    skip,\n    at,\n    decodingContext\n  ) {\n    if (mmr) {\n      const input = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n      return decodeMMRBitmap(input, width, height, false);\n    }\n\n    // Use optimized version for the most common case\n    if (\n      templateIndex === 0 &&\n      !skip &&\n      !prediction &&\n      at.length === 4 &&\n      at[0].x === 3 &&\n      at[0].y === -1 &&\n      at[1].x === -3 &&\n      at[1].y === -1 &&\n      at[2].x === 2 &&\n      at[2].y === -2 &&\n      at[3].x === -2 &&\n      at[3].y === -2\n    ) {\n      return decodeBitmapTemplate0(width, height, decodingContext);\n    }\n\n    var useskip = !!skip;\n    var template = CodingTemplates[templateIndex].concat(at);\n\n    // Sorting is non-standard, and it is not required. But sorting increases\n    // the number of template bits that can be reused from the previous\n    // contextLabel in the main loop.\n    template.sort(function (a, b) {\n      return a.y - b.y || a.x - b.x;\n    });\n\n    var templateLength = template.length;\n    var templateX = new Int8Array(templateLength);\n    var templateY = new Int8Array(templateLength);\n    var changingTemplateEntries = [];\n    var reuseMask = 0,\n      minX = 0,\n      maxX = 0,\n      minY = 0;\n    var c, k;\n\n    for (k = 0; k < templateLength; k++) {\n      templateX[k] = template[k].x;\n      templateY[k] = template[k].y;\n      minX = Math.min(minX, template[k].x);\n      maxX = Math.max(maxX, template[k].x);\n      minY = Math.min(minY, template[k].y);\n      // Check if the template pixel appears in two consecutive context labels,\n      // so it can be reused. Otherwise, we add it to the list of changing\n      // template entries.\n      if (\n        k < templateLength - 1 &&\n        template[k].y === template[k + 1].y &&\n        template[k].x === template[k + 1].x - 1\n      ) {\n        reuseMask |= 1 << (templateLength - 1 - k);\n      } else {\n        changingTemplateEntries.push(k);\n      }\n    }\n    var changingEntriesLength = changingTemplateEntries.length;\n\n    var changingTemplateX = new Int8Array(changingEntriesLength);\n    var changingTemplateY = new Int8Array(changingEntriesLength);\n    var changingTemplateBit = new Uint16Array(changingEntriesLength);\n    for (c = 0; c < changingEntriesLength; c++) {\n      k = changingTemplateEntries[c];\n      changingTemplateX[c] = template[k].x;\n      changingTemplateY[c] = template[k].y;\n      changingTemplateBit[c] = 1 << (templateLength - 1 - k);\n    }\n\n    // Get the safe bounding box edges from the width, height, minX, maxX, minY\n    var sbb_left = -minX;\n    var sbb_top = -minY;\n    var sbb_right = width - maxX;\n\n    var pseudoPixelContext = ReusedContexts[templateIndex];\n    var row = new Uint8Array(width);\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n\n    var ltp = 0,\n      j,\n      i0,\n      j0,\n      contextLabel = 0,\n      bit,\n      shift;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          bitmap.push(row); // duplicate previous row\n          continue;\n        }\n      }\n      row = new Uint8Array(row);\n      bitmap.push(row);\n      for (j = 0; j < width; j++) {\n        if (useskip && skip[i][j]) {\n          row[j] = 0;\n          continue;\n        }\n        // Are we in the middle of a scanline, so we can reuse contextLabel\n        // bits?\n        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {\n          // If yes, we can just shift the bits that are reusable and only\n          // fetch the remaining ones.\n          contextLabel = (contextLabel << 1) & reuseMask;\n          for (k = 0; k < changingEntriesLength; k++) {\n            i0 = i + changingTemplateY[k];\n            j0 = j + changingTemplateX[k];\n            bit = bitmap[i0][j0];\n            if (bit) {\n              bit = changingTemplateBit[k];\n              contextLabel |= bit;\n            }\n          }\n        } else {\n          // compute the contextLabel from scratch\n          contextLabel = 0;\n          shift = templateLength - 1;\n          for (k = 0; k < templateLength; k++, shift--) {\n            j0 = j + templateX[k];\n            if (j0 >= 0 && j0 < width) {\n              i0 = i + templateY[k];\n              if (i0 >= 0) {\n                bit = bitmap[i0][j0];\n                if (bit) {\n                  contextLabel |= bit << shift;\n                }\n              }\n            }\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n    return bitmap;\n  }\n\n  // 6.3.2 Generic Refinement Region Decoding Procedure\n  function decodeRefinement(\n    width,\n    height,\n    templateIndex,\n    referenceBitmap,\n    offsetX,\n    offsetY,\n    prediction,\n    at,\n    decodingContext\n  ) {\n    var codingTemplate = RefinementTemplates[templateIndex].coding;\n    if (templateIndex === 0) {\n      codingTemplate = codingTemplate.concat([at[0]]);\n    }\n    var codingTemplateLength = codingTemplate.length;\n    var codingTemplateX = new Int32Array(codingTemplateLength);\n    var codingTemplateY = new Int32Array(codingTemplateLength);\n    var k;\n    for (k = 0; k < codingTemplateLength; k++) {\n      codingTemplateX[k] = codingTemplate[k].x;\n      codingTemplateY[k] = codingTemplate[k].y;\n    }\n\n    var referenceTemplate = RefinementTemplates[templateIndex].reference;\n    if (templateIndex === 0) {\n      referenceTemplate = referenceTemplate.concat([at[1]]);\n    }\n    var referenceTemplateLength = referenceTemplate.length;\n    var referenceTemplateX = new Int32Array(referenceTemplateLength);\n    var referenceTemplateY = new Int32Array(referenceTemplateLength);\n    for (k = 0; k < referenceTemplateLength; k++) {\n      referenceTemplateX[k] = referenceTemplate[k].x;\n      referenceTemplateY[k] = referenceTemplate[k].y;\n    }\n    var referenceWidth = referenceBitmap[0].length;\n    var referenceHeight = referenceBitmap.length;\n\n    var pseudoPixelContext = RefinementReusedContexts[templateIndex];\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GR\");\n\n    var ltp = 0;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          throw new Jbig2Error(\"prediction is not supported\");\n        }\n      }\n      var row = new Uint8Array(width);\n      bitmap.push(row);\n      for (var j = 0; j < width; j++) {\n        var i0, j0;\n        var contextLabel = 0;\n        for (k = 0; k < codingTemplateLength; k++) {\n          i0 = i + codingTemplateY[k];\n          j0 = j + codingTemplateX[k];\n          if (i0 < 0 || j0 < 0 || j0 >= width) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | bitmap[i0][j0];\n          }\n        }\n        for (k = 0; k < referenceTemplateLength; k++) {\n          i0 = i + referenceTemplateY[k] - offsetY;\n          j0 = j + referenceTemplateX[k] - offsetX;\n          if (\n            i0 < 0 ||\n            i0 >= referenceHeight ||\n            j0 < 0 ||\n            j0 >= referenceWidth\n          ) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0];\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.5.5 Decoding the symbol dictionary\n  function decodeSymbolDictionary(\n    huffman,\n    refinement,\n    symbols,\n    numberOfNewSymbols,\n    numberOfExportedSymbols,\n    huffmanTables,\n    templateIndex,\n    at,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"symbol refinement with Huffman is not supported\");\n    }\n\n    var newSymbols = [];\n    var currentHeight = 0;\n    var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n    let tableB1, symbolWidths;\n    if (huffman) {\n      tableB1 = getStandardTable(1); // standard table B.1\n      symbolWidths = [];\n      symbolCodeLength = Math.max(symbolCodeLength, 1); // 6.5.8.2.3\n    }\n\n    while (newSymbols.length < numberOfNewSymbols) {\n      var deltaHeight = huffman\n        ? huffmanTables.tableDeltaHeight.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADH\", decoder); // 6.5.6\n      currentHeight += deltaHeight;\n      let currentWidth = 0,\n        totalWidth = 0;\n      const firstSymbol = huffman ? symbolWidths.length : 0;\n      while (true) {\n        var deltaWidth = huffman\n          ? huffmanTables.tableDeltaWidth.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADW\", decoder); // 6.5.7\n        if (deltaWidth === null) {\n          break; // OOB\n        }\n        currentWidth += deltaWidth;\n        totalWidth += currentWidth;\n        var bitmap;\n        if (refinement) {\n          // 6.5.8.2 Refinement/aggregate-coded symbol bitmap\n          var numberOfInstances = decodeInteger(contextCache, \"IAAI\", decoder);\n          if (numberOfInstances > 1) {\n            bitmap = decodeTextRegion(\n              huffman,\n              refinement,\n              currentWidth,\n              currentHeight,\n              0,\n              numberOfInstances,\n              1, // strip size\n              symbols.concat(newSymbols),\n              symbolCodeLength,\n              0, // transposed\n              0, // ds offset\n              1, // top left 7.4.3.1.1\n              0, // OR operator\n              huffmanTables,\n              refinementTemplateIndex,\n              refinementAt,\n              decodingContext,\n              0,\n              huffmanInput\n            );\n          } else {\n            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);\n            var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n            var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n            var symbol =\n              symbolId < symbols.length\n                ? symbols[symbolId]\n                : newSymbols[symbolId - symbols.length];\n            bitmap = decodeRefinement(\n              currentWidth,\n              currentHeight,\n              refinementTemplateIndex,\n              symbol,\n              rdx,\n              rdy,\n              false,\n              refinementAt,\n              decodingContext\n            );\n          }\n          newSymbols.push(bitmap);\n        } else if (huffman) {\n          // Store only symbol width and decode a collective bitmap when the\n          // height class is done.\n          symbolWidths.push(currentWidth);\n        } else {\n          // 6.5.8.1 Direct-coded symbol bitmap\n          bitmap = decodeBitmap(\n            false,\n            currentWidth,\n            currentHeight,\n            templateIndex,\n            false,\n            null,\n            at,\n            decodingContext\n          );\n          newSymbols.push(bitmap);\n        }\n      }\n      if (huffman && !refinement) {\n        // 6.5.9 Height class collective bitmap\n        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);\n        huffmanInput.byteAlign();\n        let collectiveBitmap;\n        if (bitmapSize === 0) {\n          // Uncompressed collective bitmap\n          collectiveBitmap = readUncompressedBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight\n          );\n        } else {\n          // MMR collective bitmap\n          const originalEnd = huffmanInput.end;\n          const bitmapEnd = huffmanInput.position + bitmapSize;\n          huffmanInput.end = bitmapEnd;\n          collectiveBitmap = decodeMMRBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight,\n            false\n          );\n          huffmanInput.end = originalEnd;\n          huffmanInput.position = bitmapEnd;\n        }\n        const numberOfSymbolsDecoded = symbolWidths.length;\n        if (firstSymbol === numberOfSymbolsDecoded - 1) {\n          // collectiveBitmap is a single symbol.\n          newSymbols.push(collectiveBitmap);\n        } else {\n          // Divide collectiveBitmap into symbols.\n          let i,\n            y,\n            xMin = 0,\n            xMax,\n            bitmapWidth,\n            symbolBitmap;\n          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {\n            bitmapWidth = symbolWidths[i];\n            xMax = xMin + bitmapWidth;\n            symbolBitmap = [];\n            for (y = 0; y < currentHeight; y++) {\n              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n            }\n            newSymbols.push(symbolBitmap);\n            xMin = xMax;\n          }\n        }\n      }\n    }\n\n    // 6.5.10 Exported symbols\n    var exportedSymbols = [];\n    var flags = [],\n      currentFlag = false;\n    var totalSymbolsLength = symbols.length + numberOfNewSymbols;\n    while (flags.length < totalSymbolsLength) {\n      var runLength = huffman\n        ? tableB1.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAEX\", decoder);\n      while (runLength--) {\n        flags.push(currentFlag);\n      }\n      currentFlag = !currentFlag;\n    }\n    for (var i = 0, ii = symbols.length; i < ii; i++) {\n      if (flags[i]) {\n        exportedSymbols.push(symbols[i]);\n      }\n    }\n    for (var j = 0; j < numberOfNewSymbols; i++, j++) {\n      if (flags[i]) {\n        exportedSymbols.push(newSymbols[j]);\n      }\n    }\n    return exportedSymbols;\n  }\n\n  function decodeTextRegion(\n    huffman,\n    refinement,\n    width,\n    height,\n    defaultPixelValue,\n    numberOfSymbolInstances,\n    stripSize,\n    inputSymbols,\n    symbolCodeLength,\n    transposed,\n    dsOffset,\n    referenceCorner,\n    combinationOperator,\n    huffmanTables,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    logStripSize,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    // Prepare bitmap\n    var bitmap = [];\n    var i, row;\n    for (i = 0; i < height; i++) {\n      row = new Uint8Array(width);\n      if (defaultPixelValue) {\n        for (var j = 0; j < width; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      bitmap.push(row);\n    }\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n\n    var stripT = huffman\n      ? -huffmanTables.tableDeltaT.decode(huffmanInput)\n      : -decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n    var firstS = 0;\n    i = 0;\n    while (i < numberOfSymbolInstances) {\n      var deltaT = huffman\n        ? huffmanTables.tableDeltaT.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n      stripT += deltaT;\n\n      var deltaFirstS = huffman\n        ? huffmanTables.tableFirstS.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAFS\", decoder); // 6.4.7\n      firstS += deltaFirstS;\n      var currentS = firstS;\n      do {\n        let currentT = 0; // 6.4.9\n        if (stripSize > 1) {\n          currentT = huffman\n            ? huffmanInput.readBits(logStripSize)\n            : decodeInteger(contextCache, \"IAIT\", decoder);\n        }\n        var t = stripSize * stripT + currentT;\n        var symbolId = huffman\n          ? huffmanTables.symbolIDTable.decode(huffmanInput)\n          : decodeIAID(contextCache, decoder, symbolCodeLength);\n        var applyRefinement =\n          refinement &&\n          (huffman\n            ? huffmanInput.readBit()\n            : decodeInteger(contextCache, \"IARI\", decoder));\n        var symbolBitmap = inputSymbols[symbolId];\n        var symbolWidth = symbolBitmap[0].length;\n        var symbolHeight = symbolBitmap.length;\n        if (applyRefinement) {\n          var rdw = decodeInteger(contextCache, \"IARDW\", decoder); // 6.4.11.1\n          var rdh = decodeInteger(contextCache, \"IARDH\", decoder); // 6.4.11.2\n          var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n          var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n          symbolWidth += rdw;\n          symbolHeight += rdh;\n          symbolBitmap = decodeRefinement(\n            symbolWidth,\n            symbolHeight,\n            refinementTemplateIndex,\n            symbolBitmap,\n            (rdw >> 1) + rdx,\n            (rdh >> 1) + rdy,\n            false,\n            refinementAt,\n            decodingContext\n          );\n        }\n        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);\n        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);\n        var s2, t2, symbolRow;\n        if (transposed) {\n          // Place Symbol Bitmap from T1,S1\n          for (s2 = 0; s2 < symbolHeight; s2++) {\n            row = bitmap[offsetS + s2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[s2];\n            // To ignore Parts of Symbol bitmap which goes\n            // outside bitmap region\n            var maxWidth = Math.min(width - offsetT, symbolWidth);\n            switch (combinationOperator) {\n              case 0: // OR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] |= symbolRow[t2];\n                }\n                break;\n              case 2: // XOR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] ^= symbolRow[t2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolHeight - 1;\n        } else {\n          for (t2 = 0; t2 < symbolHeight; t2++) {\n            row = bitmap[offsetT + t2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[t2];\n            switch (combinationOperator) {\n              case 0: // OR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] |= symbolRow[s2];\n                }\n                break;\n              case 2: // XOR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] ^= symbolRow[s2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolWidth - 1;\n        }\n        i++;\n        var deltaS = huffman\n          ? huffmanTables.tableDeltaS.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADS\", decoder); // 6.4.8\n        if (deltaS === null) {\n          break; // OOB\n        }\n        currentS += deltaS + dsOffset;\n      } while (true);\n    }\n    return bitmap;\n  }\n\n  function decodePatternDictionary(\n    mmr,\n    patternWidth,\n    patternHeight,\n    maxPatternIndex,\n    template,\n    decodingContext\n  ) {\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: -patternWidth,\n        y: 0,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;\n    const collectiveBitmap = decodeBitmap(\n      mmr,\n      collectiveWidth,\n      patternHeight,\n      template,\n      false,\n      null,\n      at,\n      decodingContext\n    );\n    // Divide collective bitmap into patterns.\n    const patterns = [];\n    for (let i = 0; i <= maxPatternIndex; i++) {\n      const patternBitmap = [];\n      const xMin = patternWidth * i;\n      const xMax = xMin + patternWidth;\n      for (let y = 0; y < patternHeight; y++) {\n        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n      }\n      patterns.push(patternBitmap);\n    }\n    return patterns;\n  }\n\n  function decodeHalftoneRegion(\n    mmr,\n    patterns,\n    template,\n    regionWidth,\n    regionHeight,\n    defaultPixelValue,\n    enableSkip,\n    combinationOperator,\n    gridWidth,\n    gridHeight,\n    gridOffsetX,\n    gridOffsetY,\n    gridVectorX,\n    gridVectorY,\n    decodingContext\n  ) {\n    const skip = null;\n    if (enableSkip) {\n      throw new Jbig2Error(\"skip is not supported\");\n    }\n    if (combinationOperator !== 0) {\n      throw new Jbig2Error(\n        \"operator \" +\n          combinationOperator +\n          \" is not supported in halftone region\"\n      );\n    }\n\n    // Prepare bitmap.\n    const regionBitmap = [];\n    let i, j, row;\n    for (i = 0; i < regionHeight; i++) {\n      row = new Uint8Array(regionWidth);\n      if (defaultPixelValue) {\n        for (j = 0; j < regionWidth; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      regionBitmap.push(row);\n    }\n\n    const numberOfPatterns = patterns.length;\n    const pattern0 = patterns[0];\n    const patternWidth = pattern0[0].length,\n      patternHeight = pattern0.length;\n    const bitsPerValue = log2(numberOfPatterns);\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: template <= 1 ? 3 : 2,\n        y: -1,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    // Annex C. Gray-scale Image Decoding Procedure.\n    const grayScaleBitPlanes = [];\n    let mmrInput, bitmap;\n    if (mmr) {\n      // MMR bit planes are in one continuous stream. Only EOFB codes indicate\n      // the end of each bitmap, so EOFBs must be decoded.\n      mmrInput = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n    }\n    for (i = bitsPerValue - 1; i >= 0; i--) {\n      if (mmr) {\n        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);\n      } else {\n        bitmap = decodeBitmap(\n          false,\n          gridWidth,\n          gridHeight,\n          template,\n          false,\n          skip,\n          at,\n          decodingContext\n        );\n      }\n      grayScaleBitPlanes[i] = bitmap;\n    }\n    // 6.6.5.2 Rendering the patterns.\n    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;\n    for (mg = 0; mg < gridHeight; mg++) {\n      for (ng = 0; ng < gridWidth; ng++) {\n        bit = 0;\n        patternIndex = 0;\n        for (j = bitsPerValue - 1; j >= 0; j--) {\n          bit = grayScaleBitPlanes[j][mg][ng] ^ bit; // Gray decoding\n          patternIndex |= bit << j;\n        }\n        patternBitmap = patterns[patternIndex];\n        x = (gridOffsetX + mg * gridVectorY + ng * gridVectorX) >> 8;\n        y = (gridOffsetY + mg * gridVectorX - ng * gridVectorY) >> 8;\n        // Draw patternBitmap at (x, y).\n        if (\n          x >= 0 &&\n          x + patternWidth <= regionWidth &&\n          y >= 0 &&\n          y + patternHeight <= regionHeight\n        ) {\n          for (i = 0; i < patternHeight; i++) {\n            regionRow = regionBitmap[y + i];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionRow[x + j] |= patternRow[j];\n            }\n          }\n        } else {\n          let regionX, regionY;\n          for (i = 0; i < patternHeight; i++) {\n            regionY = y + i;\n            if (regionY < 0 || regionY >= regionHeight) {\n              continue;\n            }\n            regionRow = regionBitmap[regionY];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionX = x + j;\n              if (regionX >= 0 && regionX < regionWidth) {\n                regionRow[regionX] |= patternRow[j];\n              }\n            }\n          }\n        }\n      }\n    }\n    return regionBitmap;\n  }\n\n  function readSegmentHeader(data, start) {\n    var segmentHeader = {};\n    segmentHeader.number = readUint32(data, start);\n    var flags = data[start + 4];\n    var segmentType = flags & 0x3f;\n    if (!SegmentTypes[segmentType]) {\n      throw new Jbig2Error(\"invalid segment type: \" + segmentType);\n    }\n    segmentHeader.type = segmentType;\n    segmentHeader.typeName = SegmentTypes[segmentType];\n    segmentHeader.deferredNonRetain = !!(flags & 0x80);\n\n    var pageAssociationFieldSize = !!(flags & 0x40);\n    var referredFlags = data[start + 5];\n    var referredToCount = (referredFlags >> 5) & 7;\n    var retainBits = [referredFlags & 31];\n    var position = start + 6;\n    if (referredFlags === 7) {\n      referredToCount = readUint32(data, position - 1) & 0x1fffffff;\n      position += 3;\n      var bytes = (referredToCount + 7) >> 3;\n      retainBits[0] = data[position++];\n      while (--bytes > 0) {\n        retainBits.push(data[position++]);\n      }\n    } else if (referredFlags === 5 || referredFlags === 6) {\n      throw new Jbig2Error(\"invalid referred-to flags\");\n    }\n\n    segmentHeader.retainBits = retainBits;\n\n    let referredToSegmentNumberSize = 4;\n    if (segmentHeader.number <= 256) {\n      referredToSegmentNumberSize = 1;\n    } else if (segmentHeader.number <= 65536) {\n      referredToSegmentNumberSize = 2;\n    }\n    var referredTo = [];\n    var i, ii;\n    for (i = 0; i < referredToCount; i++) {\n      let number;\n      if (referredToSegmentNumberSize === 1) {\n        number = data[position];\n      } else if (referredToSegmentNumberSize === 2) {\n        number = readUint16(data, position);\n      } else {\n        number = readUint32(data, position);\n      }\n      referredTo.push(number);\n      position += referredToSegmentNumberSize;\n    }\n    segmentHeader.referredTo = referredTo;\n    if (!pageAssociationFieldSize) {\n      segmentHeader.pageAssociation = data[position++];\n    } else {\n      segmentHeader.pageAssociation = readUint32(data, position);\n      position += 4;\n    }\n    segmentHeader.length = readUint32(data, position);\n    position += 4;\n\n    if (segmentHeader.length === 0xffffffff) {\n      // 7.2.7 Segment data length, unknown segment length\n      if (segmentType === 38) {\n        // ImmediateGenericRegion\n        var genericRegionInfo = readRegionSegmentInformation(data, position);\n        var genericRegionSegmentFlags =\n          data[position + RegionSegmentInformationFieldLength];\n        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);\n        // searching for the segment end\n        var searchPatternLength = 6;\n        var searchPattern = new Uint8Array(searchPatternLength);\n        if (!genericRegionMmr) {\n          searchPattern[0] = 0xff;\n          searchPattern[1] = 0xac;\n        }\n        searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xff;\n        searchPattern[3] = (genericRegionInfo.height >> 16) & 0xff;\n        searchPattern[4] = (genericRegionInfo.height >> 8) & 0xff;\n        searchPattern[5] = genericRegionInfo.height & 0xff;\n        for (i = position, ii = data.length; i < ii; i++) {\n          var j = 0;\n          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {\n            j++;\n          }\n          if (j === searchPatternLength) {\n            segmentHeader.length = i + searchPatternLength;\n            break;\n          }\n        }\n        if (segmentHeader.length === 0xffffffff) {\n          throw new Jbig2Error(\"segment end was not found\");\n        }\n      } else {\n        throw new Jbig2Error(\"invalid unknown segment length\");\n      }\n    }\n    segmentHeader.headerEnd = position;\n    return segmentHeader;\n  }\n\n  function readSegments(header, data, start, end) {\n    var segments = [];\n    var position = start;\n    while (position < end) {\n      var segmentHeader = readSegmentHeader(data, position);\n      position = segmentHeader.headerEnd;\n      var segment = {\n        header: segmentHeader,\n        data,\n      };\n      if (!header.randomAccess) {\n        segment.start = position;\n        position += segmentHeader.length;\n        segment.end = position;\n      }\n      segments.push(segment);\n      if (segmentHeader.type === 51) {\n        break; // end of file is found\n      }\n    }\n    if (header.randomAccess) {\n      for (var i = 0, ii = segments.length; i < ii; i++) {\n        segments[i].start = position;\n        position += segments[i].header.length;\n        segments[i].end = position;\n      }\n    }\n    return segments;\n  }\n\n  // 7.4.1 Region segment information field\n  function readRegionSegmentInformation(data, start) {\n    return {\n      width: readUint32(data, start),\n      height: readUint32(data, start + 4),\n      x: readUint32(data, start + 8),\n      y: readUint32(data, start + 12),\n      combinationOperator: data[start + 16] & 7,\n    };\n  }\n  var RegionSegmentInformationFieldLength = 17;\n\n  function processSegment(segment, visitor) {\n    var header = segment.header;\n\n    var data = segment.data,\n      position = segment.start,\n      end = segment.end;\n    var args, at, i, atLength;\n    switch (header.type) {\n      case 0: // SymbolDictionary\n        // 7.4.2 Symbol dictionary segment syntax\n        var dictionary = {};\n        var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1\n        dictionary.huffman = !!(dictionaryFlags & 1);\n        dictionary.refinement = !!(dictionaryFlags & 2);\n        dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3;\n        dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3;\n        dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1;\n        dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1;\n        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);\n        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);\n        dictionary.template = (dictionaryFlags >> 10) & 3;\n        dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1;\n        position += 2;\n        if (!dictionary.huffman) {\n          atLength = dictionary.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.at = at;\n        }\n        if (dictionary.refinement && !dictionary.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.refinementAt = at;\n        }\n        dictionary.numberOfExportedSymbols = readUint32(data, position);\n        position += 4;\n        dictionary.numberOfNewSymbols = readUint32(data, position);\n        position += 4;\n        args = [\n          dictionary,\n          header.number,\n          header.referredTo,\n          data,\n          position,\n          end,\n        ];\n        break;\n      case 6: // ImmediateTextRegion\n      case 7: // ImmediateLosslessTextRegion\n        var textRegion = {};\n        textRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var textRegionSegmentFlags = readUint16(data, position);\n        position += 2;\n        textRegion.huffman = !!(textRegionSegmentFlags & 1);\n        textRegion.refinement = !!(textRegionSegmentFlags & 2);\n        textRegion.logStripSize = (textRegionSegmentFlags >> 2) & 3;\n        textRegion.stripSize = 1 << textRegion.logStripSize;\n        textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3;\n        textRegion.transposed = !!(textRegionSegmentFlags & 64);\n        textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3;\n        textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1;\n        textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27;\n        textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1;\n        if (textRegion.huffman) {\n          var textRegionHuffmanFlags = readUint16(data, position);\n          position += 2;\n          textRegion.huffmanFS = textRegionHuffmanFlags & 3;\n          textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3;\n          textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3;\n          textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3;\n          textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3;\n          textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3;\n          textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3;\n          textRegion.huffmanRefinementSizeSelector = !!(\n            textRegionHuffmanFlags & 0x4000\n          );\n        }\n        if (textRegion.refinement && !textRegion.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          textRegion.refinementAt = at;\n        }\n        textRegion.numberOfSymbolInstances = readUint32(data, position);\n        position += 4;\n        args = [textRegion, header.referredTo, data, position, end];\n        break;\n      case 16: // PatternDictionary\n        // 7.4.4. Pattern dictionary segment syntax\n        const patternDictionary = {};\n        const patternDictionaryFlags = data[position++];\n        patternDictionary.mmr = !!(patternDictionaryFlags & 1);\n        patternDictionary.template = (patternDictionaryFlags >> 1) & 3;\n        patternDictionary.patternWidth = data[position++];\n        patternDictionary.patternHeight = data[position++];\n        patternDictionary.maxPatternIndex = readUint32(data, position);\n        position += 4;\n        args = [patternDictionary, header.number, data, position, end];\n        break;\n      case 22: // ImmediateHalftoneRegion\n      case 23: // ImmediateLosslessHalftoneRegion\n        // 7.4.5 Halftone region segment syntax\n        const halftoneRegion = {};\n        halftoneRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        const halftoneRegionFlags = data[position++];\n        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);\n        halftoneRegion.template = (halftoneRegionFlags >> 1) & 3;\n        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);\n        halftoneRegion.combinationOperator = (halftoneRegionFlags >> 4) & 7;\n        halftoneRegion.defaultPixelValue = (halftoneRegionFlags >> 7) & 1;\n        halftoneRegion.gridWidth = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridHeight = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridOffsetX = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridOffsetY = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridVectorX = readUint16(data, position);\n        position += 2;\n        halftoneRegion.gridVectorY = readUint16(data, position);\n        position += 2;\n        args = [halftoneRegion, header.referredTo, data, position, end];\n        break;\n      case 38: // ImmediateGenericRegion\n      case 39: // ImmediateLosslessGenericRegion\n        var genericRegion = {};\n        genericRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var genericRegionSegmentFlags = data[position++];\n        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);\n        genericRegion.template = (genericRegionSegmentFlags >> 1) & 3;\n        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);\n        if (!genericRegion.mmr) {\n          atLength = genericRegion.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          genericRegion.at = at;\n        }\n        args = [genericRegion, data, position, end];\n        break;\n      case 48: // PageInformation\n        var pageInfo = {\n          width: readUint32(data, position),\n          height: readUint32(data, position + 4),\n          resolutionX: readUint32(data, position + 8),\n          resolutionY: readUint32(data, position + 12),\n        };\n        if (pageInfo.height === 0xffffffff) {\n          delete pageInfo.height;\n        }\n        var pageSegmentFlags = data[position + 16];\n        readUint16(data, position + 17); // pageStripingInformation\n        pageInfo.lossless = !!(pageSegmentFlags & 1);\n        pageInfo.refinement = !!(pageSegmentFlags & 2);\n        pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1;\n        pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3;\n        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);\n        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);\n        args = [pageInfo];\n        break;\n      case 49: // EndOfPage\n        break;\n      case 50: // EndOfStripe\n        break;\n      case 51: // EndOfFile\n        break;\n      case 53: // Tables\n        args = [header.number, data, position, end];\n        break;\n      case 62: // 7.4.15 defines 2 extension types which\n        // are comments and can be ignored.\n        break;\n      default:\n        throw new Jbig2Error(\n          `segment type ${header.typeName}(${header.type})` +\n            \" is not implemented\"\n        );\n    }\n    var callbackName = \"on\" + header.typeName;\n    if (callbackName in visitor) {\n      visitor[callbackName].apply(visitor, args);\n    }\n  }\n\n  function processSegments(segments, visitor) {\n    for (var i = 0, ii = segments.length; i < ii; i++) {\n      processSegment(segments[i], visitor);\n    }\n  }\n\n  function parseJbig2Chunks(chunks) {\n    var visitor = new SimpleSegmentVisitor();\n    for (var i = 0, ii = chunks.length; i < ii; i++) {\n      var chunk = chunks[i];\n      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);\n      processSegments(segments, visitor);\n    }\n    return visitor.buffer;\n  }\n\n  function parseJbig2(data) {\n    const end = data.length;\n    let position = 0;\n\n    if (\n      data[position] !== 0x97 ||\n      data[position + 1] !== 0x4a ||\n      data[position + 2] !== 0x42 ||\n      data[position + 3] !== 0x32 ||\n      data[position + 4] !== 0x0d ||\n      data[position + 5] !== 0x0a ||\n      data[position + 6] !== 0x1a ||\n      data[position + 7] !== 0x0a\n    ) {\n      throw new Jbig2Error(\"parseJbig2 - invalid header.\");\n    }\n\n    const header = Object.create(null);\n    position += 8;\n    const flags = data[position++];\n    header.randomAccess = !(flags & 1);\n    if (!(flags & 2)) {\n      header.numberOfPages = readUint32(data, position);\n      position += 4;\n    }\n\n    const segments = readSegments(header, data, position, end);\n    const visitor = new SimpleSegmentVisitor();\n    processSegments(segments, visitor);\n\n    const { width, height } = visitor.currentPageInfo;\n    const bitPacked = visitor.buffer;\n    const imgData = new Uint8ClampedArray(width * height);\n    let q = 0,\n      k = 0;\n    for (let i = 0; i < height; i++) {\n      let mask = 0,\n        buffer;\n      for (let j = 0; j < width; j++) {\n        if (!mask) {\n          mask = 128;\n          buffer = bitPacked[k++];\n        }\n        imgData[q++] = buffer & mask ? 0 : 255;\n        mask >>= 1;\n      }\n    }\n\n    return { imgData, width, height };\n  }\n\n  function SimpleSegmentVisitor() {}\n\n  SimpleSegmentVisitor.prototype = {\n    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {\n      this.currentPageInfo = info;\n      var rowSize = (info.width + 7) >> 3;\n      var buffer = new Uint8ClampedArray(rowSize * info.height);\n      // The contents of ArrayBuffers are initialized to 0.\n      // Fill the buffer with 0xFF only if info.defaultPixelValue is set\n      if (info.defaultPixelValue) {\n        for (var i = 0, ii = buffer.length; i < ii; i++) {\n          buffer[i] = 0xff;\n        }\n      }\n      this.buffer = buffer;\n    },\n    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {\n      var pageInfo = this.currentPageInfo;\n      var width = regionInfo.width,\n        height = regionInfo.height;\n      var rowSize = (pageInfo.width + 7) >> 3;\n      var combinationOperator = pageInfo.combinationOperatorOverride\n        ? regionInfo.combinationOperator\n        : pageInfo.combinationOperator;\n      var buffer = this.buffer;\n      var mask0 = 128 >> (regionInfo.x & 7);\n      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);\n      var i, j, mask, offset;\n      switch (combinationOperator) {\n        case 0: // OR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] |= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        case 2: // XOR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] ^= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        default:\n          throw new Jbig2Error(\n            `operator ${combinationOperator} is not supported`\n          );\n      }\n    },\n    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(\n      region,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeBitmap(\n        region.mmr,\n        regionInfo.width,\n        regionInfo.height,\n        region.template,\n        region.prediction,\n        null,\n        region.at,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {\n      this.onImmediateGenericRegion.apply(this, arguments);\n    },\n    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(\n      dictionary,\n      currentSegment,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      let huffmanTables, huffmanInput;\n      if (dictionary.huffman) {\n        huffmanTables = getSymbolDictionaryHuffmanTables(\n          dictionary,\n          referredSegments,\n          this.customTables\n        );\n        huffmanInput = new Reader(data, start, end);\n      }\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      if (!symbols) {\n        this.symbols = symbols = {};\n      }\n\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      symbols[currentSegment] = decodeSymbolDictionary(\n        dictionary.huffman,\n        dictionary.refinement,\n        inputSymbols,\n        dictionary.numberOfNewSymbols,\n        dictionary.numberOfExportedSymbols,\n        huffmanTables,\n        dictionary.template,\n        dictionary.at,\n        dictionary.refinementTemplate,\n        dictionary.refinementAt,\n        decodingContext,\n        huffmanInput\n      );\n    },\n    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(\n      region,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      let huffmanTables, huffmanInput;\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n      var symbolCodeLength = log2(inputSymbols.length);\n      if (region.huffman) {\n        huffmanInput = new Reader(data, start, end);\n        huffmanTables = getTextRegionHuffmanTables(\n          region,\n          referredSegments,\n          this.customTables,\n          inputSymbols.length,\n          huffmanInput\n        );\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeTextRegion(\n        region.huffman,\n        region.refinement,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.numberOfSymbolInstances,\n        region.stripSize,\n        inputSymbols,\n        symbolCodeLength,\n        region.transposed,\n        region.dsOffset,\n        region.referenceCorner,\n        region.combinationOperator,\n        huffmanTables,\n        region.refinementTemplate,\n        region.refinementAt,\n        decodingContext,\n        region.logStripSize,\n        huffmanInput\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {\n      this.onImmediateTextRegion.apply(this, arguments);\n    },\n    onPatternDictionary(dictionary, currentSegment, data, start, end) {\n      let patterns = this.patterns;\n      if (!patterns) {\n        this.patterns = patterns = {};\n      }\n      const decodingContext = new DecodingContext(data, start, end);\n      patterns[currentSegment] = decodePatternDictionary(\n        dictionary.mmr,\n        dictionary.patternWidth,\n        dictionary.patternHeight,\n        dictionary.maxPatternIndex,\n        dictionary.template,\n        decodingContext\n      );\n    },\n    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {\n      // HalftoneRegion refers to exactly one PatternDictionary.\n      const patterns = this.patterns[referredSegments[0]];\n      const regionInfo = region.info;\n      const decodingContext = new DecodingContext(data, start, end);\n      const bitmap = decodeHalftoneRegion(\n        region.mmr,\n        patterns,\n        region.template,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.enableSkip,\n        region.combinationOperator,\n        region.gridWidth,\n        region.gridHeight,\n        region.gridOffsetX,\n        region.gridOffsetY,\n        region.gridVectorX,\n        region.gridVectorY,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessHalftoneRegion() {\n      this.onImmediateHalftoneRegion.apply(this, arguments);\n    },\n    onTables(currentSegment, data, start, end) {\n      let customTables = this.customTables;\n      if (!customTables) {\n        this.customTables = customTables = {};\n      }\n      customTables[currentSegment] = decodeTablesSegment(data, start, end);\n    },\n  };\n\n  function HuffmanLine(lineData) {\n    if (lineData.length === 2) {\n      // OOB line.\n      this.isOOB = true;\n      this.rangeLow = 0;\n      this.prefixLength = lineData[0];\n      this.rangeLength = 0;\n      this.prefixCode = lineData[1];\n      this.isLowerRange = false;\n    } else {\n      // Normal, upper range or lower range line.\n      // Upper range lines are processed like normal lines.\n      this.isOOB = false;\n      this.rangeLow = lineData[0];\n      this.prefixLength = lineData[1];\n      this.rangeLength = lineData[2];\n      this.prefixCode = lineData[3];\n      this.isLowerRange = lineData[4] === \"lower\";\n    }\n  }\n\n  function HuffmanTreeNode(line) {\n    this.children = [];\n    if (line) {\n      // Leaf node\n      this.isLeaf = true;\n      this.rangeLength = line.rangeLength;\n      this.rangeLow = line.rangeLow;\n      this.isLowerRange = line.isLowerRange;\n      this.isOOB = line.isOOB;\n    } else {\n      // Intermediate or root node\n      this.isLeaf = false;\n    }\n  }\n\n  HuffmanTreeNode.prototype = {\n    buildTree(line, shift) {\n      const bit = (line.prefixCode >> shift) & 1;\n      if (shift <= 0) {\n        // Create a leaf node.\n        this.children[bit] = new HuffmanTreeNode(line);\n      } else {\n        // Create an intermediate node and continue recursively.\n        let node = this.children[bit];\n        if (!node) {\n          this.children[bit] = node = new HuffmanTreeNode(null);\n        }\n        node.buildTree(line, shift - 1);\n      }\n    },\n    decodeNode(reader) {\n      if (this.isLeaf) {\n        if (this.isOOB) {\n          return null;\n        }\n        const htOffset = reader.readBits(this.rangeLength);\n        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);\n      }\n      const node = this.children[reader.readBit()];\n      if (!node) {\n        throw new Jbig2Error(\"invalid Huffman data\");\n      }\n      return node.decodeNode(reader);\n    },\n  };\n\n  function HuffmanTable(lines, prefixCodesDone) {\n    if (!prefixCodesDone) {\n      this.assignPrefixCodes(lines);\n    }\n    // Create Huffman tree.\n    this.rootNode = new HuffmanTreeNode(null);\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      const line = lines[i];\n      if (line.prefixLength > 0) {\n        this.rootNode.buildTree(line, line.prefixLength - 1);\n      }\n    }\n  }\n\n  HuffmanTable.prototype = {\n    decode(reader) {\n      return this.rootNode.decodeNode(reader);\n    },\n    assignPrefixCodes(lines) {\n      // Annex B.3 Assigning the prefix codes.\n      const linesLength = lines.length;\n      let prefixLengthMax = 0;\n      for (let i = 0; i < linesLength; i++) {\n        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);\n      }\n\n      const histogram = new Uint32Array(prefixLengthMax + 1);\n      for (let i = 0; i < linesLength; i++) {\n        histogram[lines[i].prefixLength]++;\n      }\n      let currentLength = 1,\n        firstCode = 0,\n        currentCode,\n        currentTemp,\n        line;\n      histogram[0] = 0;\n\n      while (currentLength <= prefixLengthMax) {\n        firstCode = (firstCode + histogram[currentLength - 1]) << 1;\n        currentCode = firstCode;\n        currentTemp = 0;\n        while (currentTemp < linesLength) {\n          line = lines[currentTemp];\n          if (line.prefixLength === currentLength) {\n            line.prefixCode = currentCode;\n            currentCode++;\n          }\n          currentTemp++;\n        }\n        currentLength++;\n      }\n    },\n  };\n\n  function decodeTablesSegment(data, start, end) {\n    // Decodes a Tables segment, i.e., a custom Huffman table.\n    // Annex B.2 Code table structure.\n    const flags = data[start];\n    const lowestValue = readUint32(data, start + 1) & 0xffffffff;\n    const highestValue = readUint32(data, start + 5) & 0xffffffff;\n    const reader = new Reader(data, start + 9, end);\n\n    const prefixSizeBits = ((flags >> 1) & 7) + 1;\n    const rangeSizeBits = ((flags >> 4) & 7) + 1;\n    const lines = [];\n    let prefixLength,\n      rangeLength,\n      currentRangeLow = lowestValue;\n\n    // Normal table lines\n    do {\n      prefixLength = reader.readBits(prefixSizeBits);\n      rangeLength = reader.readBits(rangeSizeBits);\n      lines.push(\n        new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0])\n      );\n      currentRangeLow += 1 << rangeLength;\n    } while (currentRangeLow < highestValue);\n\n    // Lower range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(\n      new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, \"lower\"])\n    );\n\n    // Upper range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));\n\n    if (flags & 1) {\n      // Out-of-band table line\n      prefixLength = reader.readBits(prefixSizeBits);\n      lines.push(new HuffmanLine([prefixLength, 0]));\n    }\n\n    return new HuffmanTable(lines, false);\n  }\n\n  const standardTablesCache = {};\n\n  function getStandardTable(number) {\n    // Annex B.5 Standard Huffman tables.\n    let table = standardTablesCache[number];\n    if (table) {\n      return table;\n    }\n    let lines;\n    switch (number) {\n      case 1:\n        lines = [\n          [0, 1, 4, 0x0],\n          [16, 2, 8, 0x2],\n          [272, 3, 16, 0x6],\n          [65808, 3, 32, 0x7], // upper\n        ];\n        break;\n      case 2:\n        lines = [\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [75, 6, 32, 0x3e], // upper\n          [6, 0x3f], // OOB\n        ];\n        break;\n      case 3:\n        lines = [\n          [-256, 8, 8, 0xfe],\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [-257, 8, 32, 0xff, \"lower\"],\n          [75, 7, 32, 0x7e], // upper\n          [6, 0x3e], // OOB\n        ];\n        break;\n      case 4:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [76, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 5:\n        lines = [\n          [-255, 7, 8, 0x7e],\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [-256, 7, 32, 0x7f, \"lower\"],\n          [76, 6, 32, 0x3e], // upper\n        ];\n        break;\n      case 6:\n        lines = [\n          [-2048, 5, 10, 0x1c],\n          [-1024, 4, 9, 0x8],\n          [-512, 4, 8, 0x9],\n          [-256, 4, 7, 0xa],\n          [-128, 5, 6, 0x1d],\n          [-64, 5, 5, 0x1e],\n          [-32, 4, 5, 0xb],\n          [0, 2, 7, 0x0],\n          [128, 3, 7, 0x2],\n          [256, 3, 8, 0x3],\n          [512, 4, 9, 0xc],\n          [1024, 4, 10, 0xd],\n          [-2049, 6, 32, 0x3e, \"lower\"],\n          [2048, 6, 32, 0x3f], // upper\n        ];\n        break;\n      case 7:\n        lines = [\n          [-1024, 4, 9, 0x8],\n          [-512, 3, 8, 0x0],\n          [-256, 4, 7, 0x9],\n          [-128, 5, 6, 0x1a],\n          [-64, 5, 5, 0x1b],\n          [-32, 4, 5, 0xa],\n          [0, 4, 5, 0xb],\n          [32, 5, 5, 0x1c],\n          [64, 5, 6, 0x1d],\n          [128, 4, 7, 0xc],\n          [256, 3, 8, 0x1],\n          [512, 3, 9, 0x2],\n          [1024, 3, 10, 0x3],\n          [-1025, 5, 32, 0x1e, \"lower\"],\n          [2048, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 8:\n        lines = [\n          [-15, 8, 3, 0xfc],\n          [-7, 9, 1, 0x1fc],\n          [-5, 8, 1, 0xfd],\n          [-3, 9, 0, 0x1fd],\n          [-2, 7, 0, 0x7c],\n          [-1, 4, 0, 0xa],\n          [0, 2, 1, 0x0],\n          [2, 5, 0, 0x1a],\n          [3, 6, 0, 0x3a],\n          [4, 3, 4, 0x4],\n          [20, 6, 1, 0x3b],\n          [22, 4, 4, 0xb],\n          [38, 4, 5, 0xc],\n          [70, 5, 6, 0x1b],\n          [134, 5, 7, 0x1c],\n          [262, 6, 7, 0x3c],\n          [390, 7, 8, 0x7d],\n          [646, 6, 10, 0x3d],\n          [-16, 9, 32, 0x1fe, \"lower\"],\n          [1670, 9, 32, 0x1ff], // upper\n          [2, 0x1], // OOB\n        ];\n        break;\n      case 9:\n        lines = [\n          [-31, 8, 4, 0xfc],\n          [-15, 9, 2, 0x1fc],\n          [-11, 8, 2, 0xfd],\n          [-7, 9, 1, 0x1fd],\n          [-5, 7, 1, 0x7c],\n          [-3, 4, 1, 0xa],\n          [-1, 3, 1, 0x2],\n          [1, 3, 1, 0x3],\n          [3, 5, 1, 0x1a],\n          [5, 6, 1, 0x3a],\n          [7, 3, 5, 0x4],\n          [39, 6, 2, 0x3b],\n          [43, 4, 5, 0xb],\n          [75, 4, 6, 0xc],\n          [139, 5, 7, 0x1b],\n          [267, 5, 8, 0x1c],\n          [523, 6, 8, 0x3c],\n          [779, 7, 9, 0x7d],\n          [1291, 6, 11, 0x3d],\n          [-32, 9, 32, 0x1fe, \"lower\"],\n          [3339, 9, 32, 0x1ff], // upper\n          [2, 0x0], // OOB\n        ];\n        break;\n      case 10:\n        lines = [\n          [-21, 7, 4, 0x7a],\n          [-5, 8, 0, 0xfc],\n          [-4, 7, 0, 0x7b],\n          [-3, 5, 0, 0x18],\n          [-2, 2, 2, 0x0],\n          [2, 5, 0, 0x19],\n          [3, 6, 0, 0x36],\n          [4, 7, 0, 0x7c],\n          [5, 8, 0, 0xfd],\n          [6, 2, 6, 0x1],\n          [70, 5, 5, 0x1a],\n          [102, 6, 5, 0x37],\n          [134, 6, 6, 0x38],\n          [198, 6, 7, 0x39],\n          [326, 6, 8, 0x3a],\n          [582, 6, 9, 0x3b],\n          [1094, 6, 10, 0x3c],\n          [2118, 7, 11, 0x7d],\n          [-22, 8, 32, 0xfe, \"lower\"],\n          [4166, 8, 32, 0xff], // upper\n          [2, 0x2], // OOB\n        ];\n        break;\n      case 11:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 1, 0x2],\n          [4, 4, 0, 0xc],\n          [5, 4, 1, 0xd],\n          [7, 5, 1, 0x1c],\n          [9, 5, 2, 0x1d],\n          [13, 6, 2, 0x3c],\n          [17, 7, 2, 0x7a],\n          [21, 7, 3, 0x7b],\n          [29, 7, 4, 0x7c],\n          [45, 7, 5, 0x7d],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 12:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 1, 0x6],\n          [5, 5, 0, 0x1c],\n          [6, 5, 1, 0x1d],\n          [8, 6, 1, 0x3c],\n          [10, 7, 0, 0x7a],\n          [11, 7, 1, 0x7b],\n          [13, 7, 2, 0x7c],\n          [17, 7, 3, 0x7d],\n          [25, 7, 4, 0x7e],\n          [41, 8, 5, 0xfe],\n          [73, 8, 32, 0xff], // upper\n        ];\n        break;\n      case 13:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 3, 0, 0x4],\n          [3, 4, 0, 0xc],\n          [4, 5, 0, 0x1c],\n          [5, 4, 1, 0xd],\n          [7, 3, 3, 0x5],\n          [15, 6, 1, 0x3a],\n          [17, 6, 2, 0x3b],\n          [21, 6, 3, 0x3c],\n          [29, 6, 4, 0x3d],\n          [45, 6, 5, 0x3e],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 14:\n        lines = [\n          [-2, 3, 0, 0x4],\n          [-1, 3, 0, 0x5],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x6],\n          [2, 3, 0, 0x7],\n        ];\n        break;\n      case 15:\n        lines = [\n          [-24, 7, 4, 0x7c],\n          [-8, 6, 2, 0x3c],\n          [-4, 5, 1, 0x1c],\n          [-2, 4, 0, 0xc],\n          [-1, 3, 0, 0x4],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x5],\n          [2, 4, 0, 0xd],\n          [3, 5, 1, 0x1d],\n          [5, 6, 2, 0x3d],\n          [9, 7, 4, 0x7d],\n          [-25, 7, 32, 0x7e, \"lower\"],\n          [25, 7, 32, 0x7f], // upper\n        ];\n        break;\n      default:\n        throw new Jbig2Error(`standard table B.${number} does not exist`);\n    }\n\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      lines[i] = new HuffmanLine(lines[i]);\n    }\n    table = new HuffmanTable(lines, true);\n    standardTablesCache[number] = table;\n    return table;\n  }\n\n  function Reader(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n    this.position = start;\n    this.shift = -1;\n    this.currentByte = 0;\n  }\n\n  Reader.prototype = {\n    readBit() {\n      if (this.shift < 0) {\n        if (this.position >= this.end) {\n          throw new Jbig2Error(\"end of data while reading bit\");\n        }\n        this.currentByte = this.data[this.position++];\n        this.shift = 7;\n      }\n      const bit = (this.currentByte >> this.shift) & 1;\n      this.shift--;\n      return bit;\n    },\n\n    readBits(numBits) {\n      let result = 0,\n        i;\n      for (i = numBits - 1; i >= 0; i--) {\n        result |= this.readBit() << i;\n      }\n      return result;\n    },\n\n    byteAlign() {\n      this.shift = -1;\n    },\n\n    next() {\n      if (this.position >= this.end) {\n        return -1;\n      }\n      return this.data[this.position++];\n    },\n  };\n\n  function getCustomHuffmanTable(index, referredTo, customTables) {\n    // Returns a Tables segment that has been earlier decoded.\n    // See 7.4.2.1.6 (symbol dictionary) or 7.4.3.1.6 (text region).\n    let currentIndex = 0;\n    for (let i = 0, ii = referredTo.length; i < ii; i++) {\n      const table = customTables[referredTo[i]];\n      if (table) {\n        if (index === currentIndex) {\n          return table;\n        }\n        currentIndex++;\n      }\n    }\n    throw new Jbig2Error(\"can't find custom Huffman table\");\n  }\n\n  function getTextRegionHuffmanTables(\n    textRegion,\n    referredTo,\n    customTables,\n    numberOfSymbols,\n    reader\n  ) {\n    // 7.4.3.1.7 Symbol ID Huffman table decoding\n\n    // Read code lengths for RUNCODEs 0...34.\n    const codes = [];\n    for (let i = 0; i <= 34; i++) {\n      const codeLength = reader.readBits(4);\n      codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n    }\n    // Assign Huffman codes for RUNCODEs.\n    const runCodesTable = new HuffmanTable(codes, false);\n\n    // Read a Huffman code using the assignment above.\n    // Interpret the RUNCODE codes and the additional bits (if any).\n    codes.length = 0;\n    for (let i = 0; i < numberOfSymbols; ) {\n      const codeLength = runCodesTable.decode(reader);\n      if (codeLength >= 32) {\n        let repeatedLength, numberOfRepeats, j;\n        switch (codeLength) {\n          case 32:\n            if (i === 0) {\n              throw new Jbig2Error(\"no previous value in symbol ID table\");\n            }\n            numberOfRepeats = reader.readBits(2) + 3;\n            repeatedLength = codes[i - 1].prefixLength;\n            break;\n          case 33:\n            numberOfRepeats = reader.readBits(3) + 3;\n            repeatedLength = 0;\n            break;\n          case 34:\n            numberOfRepeats = reader.readBits(7) + 11;\n            repeatedLength = 0;\n            break;\n          default:\n            throw new Jbig2Error(\"invalid code length in symbol ID table\");\n        }\n        for (j = 0; j < numberOfRepeats; j++) {\n          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));\n          i++;\n        }\n      } else {\n        codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n        i++;\n      }\n    }\n    reader.byteAlign();\n    const symbolIDTable = new HuffmanTable(codes, false);\n\n    // 7.4.3.1.6 Text region segment Huffman table selection\n\n    let customIndex = 0,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT;\n\n    switch (textRegion.huffmanFS) {\n      case 0:\n      case 1:\n        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);\n        break;\n      case 3:\n        tableFirstS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman FS selector\");\n    }\n\n    switch (textRegion.huffmanDS) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);\n        break;\n      case 3:\n        tableDeltaS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DS selector\");\n    }\n\n    switch (textRegion.huffmanDT) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);\n        break;\n      case 3:\n        tableDeltaT = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DT selector\");\n    }\n\n    if (textRegion.refinement) {\n      // Load tables RDW, RDH, RDX and RDY.\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    return {\n      symbolIDTable,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT,\n    };\n  }\n\n  function getSymbolDictionaryHuffmanTables(\n    dictionary,\n    referredTo,\n    customTables\n  ) {\n    // 7.4.2.1.6 Symbol dictionary segment Huffman table selection\n\n    let customIndex = 0,\n      tableDeltaHeight,\n      tableDeltaWidth;\n    switch (dictionary.huffmanDHSelector) {\n      case 0:\n      case 1:\n        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);\n        break;\n      case 3:\n        tableDeltaHeight = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DH selector\");\n    }\n\n    switch (dictionary.huffmanDWSelector) {\n      case 0:\n      case 1:\n        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);\n        break;\n      case 3:\n        tableDeltaWidth = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DW selector\");\n    }\n\n    let tableBitmapSize, tableAggregateInstances;\n    if (dictionary.bitmapSizeSelector) {\n      tableBitmapSize = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n      customIndex++;\n    } else {\n      tableBitmapSize = getStandardTable(1);\n    }\n\n    if (dictionary.aggregationInstancesSelector) {\n      tableAggregateInstances = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n    } else {\n      tableAggregateInstances = getStandardTable(1);\n    }\n\n    return {\n      tableDeltaHeight,\n      tableDeltaWidth,\n      tableBitmapSize,\n      tableAggregateInstances,\n    };\n  }\n\n  function readUncompressedBitmap(reader, width, height) {\n    const bitmap = [];\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      for (let x = 0; x < width; x++) {\n        row[x] = reader.readBit();\n      }\n      reader.byteAlign();\n    }\n    return bitmap;\n  }\n\n  function decodeMMRBitmap(input, width, height, endOfBlock) {\n    // MMR is the same compression algorithm as the PDF filter\n    // CCITTFaxDecode with /K -1.\n    const params = {\n      K: -1,\n      Columns: width,\n      Rows: height,\n      BlackIs1: true,\n      EndOfBlock: endOfBlock,\n    };\n    const decoder = new CCITTFaxDecoder(input, params);\n    const bitmap = [];\n    let currentByte,\n      eof = false;\n\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      let shift = -1;\n      for (let x = 0; x < width; x++) {\n        if (shift < 0) {\n          currentByte = decoder.readNextChar();\n          if (currentByte === -1) {\n            // Set the rest of the bits to zero.\n            currentByte = 0;\n            eof = true;\n          }\n          shift = 7;\n        }\n        row[x] = (currentByte >> shift) & 1;\n        shift--;\n      }\n    }\n\n    if (endOfBlock && !eof) {\n      // Read until EOFB has been consumed.\n      const lookForEOFLimit = 5;\n      for (let i = 0; i < lookForEOFLimit; i++) {\n        if (decoder.readNextChar() === -1) {\n          break;\n        }\n      }\n    }\n\n    return bitmap;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Jbig2Image() {}\n\n  Jbig2Image.prototype = {\n    parseChunks(chunks) {\n      return parseJbig2Chunks(chunks);\n    },\n\n    parse(data) {\n      const { imgData, width, height } = parseJbig2(data);\n      this.width = width;\n      this.height = height;\n      return imgData;\n    },\n  };\n\n  return Jbig2Image;\n})();\n\nexport { Jbig2Image };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// Table C-2\nconst QeTable = [\n  { qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1 },\n  { qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0 },\n  { qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 4, nlps: 12, switchFlag: 0 },\n  { qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0 },\n  { qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0 },\n  { qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1 },\n  { qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0 },\n  { qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0 },\n  { qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0 },\n  { qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0 },\n  { qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 13, nlps: 20, switchFlag: 0 },\n  { qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0 },\n  { qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1 },\n  { qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0 },\n  { qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0 },\n  { qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0 },\n  { qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0 },\n  { qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0 },\n  { qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0 },\n  { qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0 },\n  { qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0 },\n  { qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 25, nlps: 22, switchFlag: 0 },\n  { qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0 },\n  { qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0 },\n  { qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0 },\n  { qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0 },\n  { qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 31, nlps: 28, switchFlag: 0 },\n  { qe: 0x09c1, nmps: 32, nlps: 29, switchFlag: 0 },\n  { qe: 0x08a1, nmps: 33, nlps: 30, switchFlag: 0 },\n  { qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0 },\n  { qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0 },\n  { qe: 0x02a1, nmps: 36, nlps: 33, switchFlag: 0 },\n  { qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0 },\n  { qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0 },\n  { qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0 },\n  { qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0 },\n  { qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0 },\n  { qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0 },\n  { qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0 },\n  { qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0 },\n  { qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0 },\n  { qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0 },\n  { qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0 },\n];\n\n/**\n * This class implements the QM Coder decoding as defined in\n *   JPEG 2000 Part I Final Committee Draft Version 1.0\n *   Annex C.3 Arithmetic decoding procedure\n * available at http://www.jpeg.org/public/fcd15444-1.pdf\n *\n * The arithmetic decoder is used in conjunction with context models to decode\n * JPEG2000 and JBIG2 streams.\n */\nclass ArithmeticDecoder {\n  // C.3.5 Initialisation of the decoder (INITDEC)\n  constructor(data, start, end) {\n    this.data = data;\n    this.bp = start;\n    this.dataEnd = end;\n\n    this.chigh = data[start];\n    this.clow = 0;\n\n    this.byteIn();\n\n    this.chigh = ((this.chigh << 7) & 0xffff) | ((this.clow >> 9) & 0x7f);\n    this.clow = (this.clow << 7) & 0xffff;\n    this.ct -= 7;\n    this.a = 0x8000;\n  }\n\n  // C.3.4 Compressed data input (BYTEIN)\n  byteIn() {\n    const data = this.data;\n    let bp = this.bp;\n\n    if (data[bp] === 0xff) {\n      if (data[bp + 1] > 0x8f) {\n        this.clow += 0xff00;\n        this.ct = 8;\n      } else {\n        bp++;\n        this.clow += data[bp] << 9;\n        this.ct = 7;\n        this.bp = bp;\n      }\n    } else {\n      bp++;\n      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;\n      this.ct = 8;\n      this.bp = bp;\n    }\n    if (this.clow > 0xffff) {\n      this.chigh += this.clow >> 16;\n      this.clow &= 0xffff;\n    }\n  }\n\n  // C.3.2 Decoding a decision (DECODE)\n  readBit(contexts, pos) {\n    // Contexts are packed into 1 byte:\n    // highest 7 bits carry cx.index, lowest bit carries cx.mps\n    let cx_index = contexts[pos] >> 1,\n      cx_mps = contexts[pos] & 1;\n    const qeTableIcx = QeTable[cx_index];\n    const qeIcx = qeTableIcx.qe;\n    let d;\n    let a = this.a - qeIcx;\n\n    if (this.chigh < qeIcx) {\n      // exchangeLps\n      if (a < qeIcx) {\n        a = qeIcx;\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      } else {\n        a = qeIcx;\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      }\n    } else {\n      this.chigh -= qeIcx;\n      if ((a & 0x8000) !== 0) {\n        this.a = a;\n        return cx_mps;\n      }\n      // exchangeMps\n      if (a < qeIcx) {\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      } else {\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      }\n    }\n    // C.3.3 renormD;\n    do {\n      if (this.ct === 0) {\n        this.byteIn();\n      }\n\n      a <<= 1;\n      this.chigh = ((this.chigh << 1) & 0xffff) | ((this.clow >> 15) & 1);\n      this.clow = (this.clow << 1) & 0xffff;\n      this.ct--;\n    } while ((a & 0x8000) === 0);\n    this.a = a;\n\n    contexts[pos] = (cx_index << 1) | cx_mps;\n    return d;\n  }\n}\n\nexport { ArithmeticDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DecodeStream } from \"./stream.js\";\nimport { isDict } from \"./primitives.js\";\nimport { JpegImage } from \"./jpg.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JPEG's we use a library to decode these images and the stream behaves\n * like all the other DecodeStreams.\n */\nconst JpegStream = (function JpegStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function JpegStream(stream, maybeLength, dict, params) {\n    // Some images may contain 'junk' before the SOI (start-of-image) marker.\n    // Note: this seems to mainly affect inline images.\n    let ch;\n    while ((ch = stream.getByte()) !== -1) {\n      // Find the first byte of the SOI marker (0xFFD8).\n      if (ch === 0xff) {\n        stream.skip(-1); // Reset the stream position to the SOI.\n        break;\n      }\n    }\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  JpegStream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(JpegStream.prototype, \"bytes\", {\n    get: function JpegStream_bytes() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  JpegStream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  JpegStream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jpegOptions = {\n      decodeTransform: undefined,\n      colorTransform: undefined,\n    };\n\n    // Checking if values need to be transformed before conversion.\n    const decodeArr = this.dict.getArray(\"Decode\", \"D\");\n    if (this.forceRGB && Array.isArray(decodeArr)) {\n      const bitsPerComponent = this.dict.get(\"BitsPerComponent\") || 8;\n      const decodeArrLength = decodeArr.length;\n      const transform = new Int32Array(decodeArrLength);\n      let transformNeeded = false;\n      const maxValue = (1 << bitsPerComponent) - 1;\n      for (let i = 0; i < decodeArrLength; i += 2) {\n        transform[i] = ((decodeArr[i + 1] - decodeArr[i]) * 256) | 0;\n        transform[i + 1] = (decodeArr[i] * maxValue) | 0;\n        if (transform[i] !== 256 || transform[i + 1] !== 0) {\n          transformNeeded = true;\n        }\n      }\n      if (transformNeeded) {\n        jpegOptions.decodeTransform = transform;\n      }\n    }\n    // Fetching the 'ColorTransform' entry, if it exists.\n    if (isDict(this.params)) {\n      const colorTransform = this.params.get(\"ColorTransform\");\n      if (Number.isInteger(colorTransform)) {\n        jpegOptions.colorTransform = colorTransform;\n      }\n    }\n    const jpegImage = new JpegImage(jpegOptions);\n\n    jpegImage.parse(this.bytes);\n    const data = jpegImage.getData({\n      width: this.drawWidth,\n      height: this.drawHeight,\n      forceRGB: this.forceRGB,\n      isSourcePDF: true,\n    });\n    this.buffer = data;\n    this.bufferLength = data.length;\n    this.eof = true;\n  };\n\n  return JpegStream;\n})();\n\nexport { JpegStream };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the 'License');\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an 'AS IS' BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\nimport { readUint16 } from \"./core_utils.js\";\n\nclass JpegError extends BaseException {\n  constructor(msg) {\n    super(`JPEG error: ${msg}`);\n  }\n}\n\nclass DNLMarkerError extends BaseException {\n  constructor(message, scanLines) {\n    super(message);\n    this.scanLines = scanLines;\n  }\n}\n\nclass EOIMarkerError extends BaseException {}\n\n/**\n * This code was forked from https://github.com/notmasteryet/jpgjs.\n * The original version was created by GitHub user notmasteryet.\n *\n * - The JPEG specification can be found in the ITU CCITT Recommendation T.81\n *   (www.w3.org/Graphics/JPEG/itu-t81.pdf)\n * - The JFIF specification can be found in the JPEG File Interchange Format\n *   (www.w3.org/Graphics/JPEG/jfif3.pdf)\n * - The Adobe Application-Specific JPEG markers in the\n *   Supporting the DCT Filters in PostScript Level 2, Technical Note #5116\n *   (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)\n */\n\nvar JpegImage = (function JpegImageClosure() {\n  // prettier-ignore\n  var dctZigZag = new Uint8Array([\n     0,\n     1,  8,\n    16,  9,  2,\n     3, 10, 17, 24,\n    32, 25, 18, 11, 4,\n     5, 12, 19, 26, 33, 40,\n    48, 41, 34, 27, 20, 13,  6,\n     7, 14, 21, 28, 35, 42, 49, 56,\n    57, 50, 43, 36, 29, 22, 15,\n    23, 30, 37, 44, 51, 58,\n    59, 52, 45, 38, 31,\n    39, 46, 53, 60,\n    61, 54, 47,\n    55, 62,\n    63\n  ]);\n\n  var dctCos1 = 4017; // cos(pi/16)\n  var dctSin1 = 799; // sin(pi/16)\n  var dctCos3 = 3406; // cos(3*pi/16)\n  var dctSin3 = 2276; // sin(3*pi/16)\n  var dctCos6 = 1567; // cos(6*pi/16)\n  var dctSin6 = 3784; // sin(6*pi/16)\n  var dctSqrt2 = 5793; // sqrt(2)\n  var dctSqrt1d2 = 2896; // sqrt(2) / 2\n\n  // eslint-disable-next-line no-shadow\n  function JpegImage({ decodeTransform = null, colorTransform = -1 } = {}) {\n    this._decodeTransform = decodeTransform;\n    this._colorTransform = colorTransform;\n  }\n\n  function buildHuffmanTable(codeLengths, values) {\n    var k = 0,\n      code = [],\n      i,\n      j,\n      length = 16;\n    while (length > 0 && !codeLengths[length - 1]) {\n      length--;\n    }\n    code.push({ children: [], index: 0 });\n    var p = code[0],\n      q;\n    for (i = 0; i < length; i++) {\n      for (j = 0; j < codeLengths[i]; j++) {\n        p = code.pop();\n        p.children[p.index] = values[k];\n        while (p.index > 0) {\n          p = code.pop();\n        }\n        p.index++;\n        code.push(p);\n        while (code.length <= i) {\n          code.push((q = { children: [], index: 0 }));\n          p.children[p.index] = q.children;\n          p = q;\n        }\n        k++;\n      }\n      if (i + 1 < length) {\n        // p here points to last code\n        code.push((q = { children: [], index: 0 }));\n        p.children[p.index] = q.children;\n        p = q;\n      }\n    }\n    return code[0].children;\n  }\n\n  function getBlockBufferOffset(component, row, col) {\n    return 64 * ((component.blocksPerLine + 1) * row + col);\n  }\n\n  function decodeScan(\n    data,\n    offset,\n    frame,\n    components,\n    resetInterval,\n    spectralStart,\n    spectralEnd,\n    successivePrev,\n    successive,\n    parseDNLMarker = false\n  ) {\n    var mcusPerLine = frame.mcusPerLine;\n    var progressive = frame.progressive;\n\n    const startOffset = offset;\n    let bitsData = 0,\n      bitsCount = 0;\n\n    function readBit() {\n      if (bitsCount > 0) {\n        bitsCount--;\n        return (bitsData >> bitsCount) & 1;\n      }\n      bitsData = data[offset++];\n      if (bitsData === 0xff) {\n        var nextByte = data[offset++];\n        if (nextByte) {\n          if (nextByte === /* DNL = */ 0xdc && parseDNLMarker) {\n            offset += 2; // Skip marker length.\n\n            const scanLines = readUint16(data, offset);\n            offset += 2;\n            if (scanLines > 0 && scanLines !== frame.scanLines) {\n              throw new DNLMarkerError(\n                \"Found DNL marker (0xFFDC) while parsing scan data\",\n                scanLines\n              );\n            }\n          } else if (nextByte === /* EOI = */ 0xd9) {\n            if (parseDNLMarker) {\n              // NOTE: only 8-bit JPEG images are supported in this decoder.\n              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);\n              // Heuristic to attempt to handle corrupt JPEG images with too\n              // large `scanLines` parameter, by falling back to the currently\n              // parsed number of scanLines when it's at least (approximately)\n              // one order of magnitude smaller than expected (fixes\n              // issue10880.pdf and issue10989.pdf).\n              if (\n                maybeScanLines > 0 &&\n                Math.round(frame.scanLines / maybeScanLines) >= 10\n              ) {\n                throw new DNLMarkerError(\n                  \"Found EOI marker (0xFFD9) while parsing scan data, \" +\n                    \"possibly caused by incorrect `scanLines` parameter\",\n                  maybeScanLines\n                );\n              }\n            }\n            throw new EOIMarkerError(\n              \"Found EOI marker (0xFFD9) while parsing scan data\"\n            );\n          }\n          throw new JpegError(\n            `unexpected marker ${((bitsData << 8) | nextByte).toString(16)}`\n          );\n        }\n        // unstuff 0\n      }\n      bitsCount = 7;\n      return bitsData >>> 7;\n    }\n\n    function decodeHuffman(tree) {\n      var node = tree;\n      while (true) {\n        node = node[readBit()];\n        switch (typeof node) {\n          case \"number\":\n            return node;\n          case \"object\":\n            continue;\n        }\n        throw new JpegError(\"invalid huffman sequence\");\n      }\n    }\n\n    function receive(length) {\n      var n = 0;\n      while (length > 0) {\n        n = (n << 1) | readBit();\n        length--;\n      }\n      return n;\n    }\n\n    function receiveAndExtend(length) {\n      if (length === 1) {\n        return readBit() === 1 ? 1 : -1;\n      }\n      var n = receive(length);\n      if (n >= 1 << (length - 1)) {\n        return n;\n      }\n      return n + (-1 << length) + 1;\n    }\n\n    function decodeBaseline(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t);\n      component.blockData[blockOffset] = component.pred += diff;\n      var k = 1;\n      while (k < 64) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] = receiveAndExtend(s);\n        k++;\n      }\n    }\n\n    function decodeDCFirst(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;\n      component.blockData[blockOffset] = component.pred += diff;\n    }\n\n    function decodeDCSuccessive(component, blockOffset) {\n      component.blockData[blockOffset] |= readBit() << successive;\n    }\n\n    var eobrun = 0;\n    function decodeACFirst(component, blockOffset) {\n      if (eobrun > 0) {\n        eobrun--;\n        return;\n      }\n      var k = spectralStart,\n        e = spectralEnd;\n      while (k <= e) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            eobrun = receive(r) + (1 << r) - 1;\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] =\n          receiveAndExtend(s) * (1 << successive);\n        k++;\n      }\n    }\n\n    var successiveACState = 0,\n      successiveACNextValue;\n    function decodeACSuccessive(component, blockOffset) {\n      var k = spectralStart;\n      var e = spectralEnd;\n      var r = 0;\n      var s;\n      var rs;\n      while (k <= e) {\n        const offsetZ = blockOffset + dctZigZag[k];\n        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;\n        switch (successiveACState) {\n          case 0: // initial state\n            rs = decodeHuffman(component.huffmanTableAC);\n            s = rs & 15;\n            r = rs >> 4;\n            if (s === 0) {\n              if (r < 15) {\n                eobrun = receive(r) + (1 << r);\n                successiveACState = 4;\n              } else {\n                r = 16;\n                successiveACState = 1;\n              }\n            } else {\n              if (s !== 1) {\n                throw new JpegError(\"invalid ACn encoding\");\n              }\n              successiveACNextValue = receiveAndExtend(s);\n              successiveACState = r ? 2 : 3;\n            }\n            continue;\n          case 1: // skipping r zero items\n          case 2:\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              r--;\n              if (r === 0) {\n                successiveACState = successiveACState === 2 ? 3 : 0;\n              }\n            }\n            break;\n          case 3: // set value for a zero item\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              component.blockData[offsetZ] =\n                successiveACNextValue << successive;\n              successiveACState = 0;\n            }\n            break;\n          case 4: // eob\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            }\n            break;\n        }\n        k++;\n      }\n      if (successiveACState === 4) {\n        eobrun--;\n        if (eobrun === 0) {\n          successiveACState = 0;\n        }\n      }\n    }\n\n    let blockRow = 0;\n    function decodeMcu(component, decode, mcu, row, col) {\n      var mcuRow = (mcu / mcusPerLine) | 0;\n      var mcuCol = mcu % mcusPerLine;\n      blockRow = mcuRow * component.v + row;\n      var blockCol = mcuCol * component.h + col;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    function decodeBlock(component, decode, mcu) {\n      blockRow = (mcu / component.blocksPerLine) | 0;\n      var blockCol = mcu % component.blocksPerLine;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    var componentsLength = components.length;\n    var component, i, j, k, n;\n    var decodeFn;\n    if (progressive) {\n      if (spectralStart === 0) {\n        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;\n      } else {\n        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;\n      }\n    } else {\n      decodeFn = decodeBaseline;\n    }\n\n    var mcu = 0,\n      fileMarker;\n    var mcuExpected;\n    if (componentsLength === 1) {\n      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;\n    } else {\n      mcuExpected = mcusPerLine * frame.mcusPerColumn;\n    }\n\n    var h, v;\n    while (mcu <= mcuExpected) {\n      // reset interval stuff\n      var mcuToRead = resetInterval\n        ? Math.min(mcuExpected - mcu, resetInterval)\n        : mcuExpected;\n\n      // The `mcuToRead === 0` case should only occur when all of the expected\n      // MCU data has been already parsed, i.e. when `mcu === mcuExpected`, but\n      // some corrupt JPEG images contain more data than intended and we thus\n      // want to skip over any extra RSTx markers below (fixes issue11794.pdf).\n      if (mcuToRead > 0) {\n        for (i = 0; i < componentsLength; i++) {\n          components[i].pred = 0;\n        }\n        eobrun = 0;\n\n        if (componentsLength === 1) {\n          component = components[0];\n          for (n = 0; n < mcuToRead; n++) {\n            decodeBlock(component, decodeFn, mcu);\n            mcu++;\n          }\n        } else {\n          for (n = 0; n < mcuToRead; n++) {\n            for (i = 0; i < componentsLength; i++) {\n              component = components[i];\n              h = component.h;\n              v = component.v;\n              for (j = 0; j < v; j++) {\n                for (k = 0; k < h; k++) {\n                  decodeMcu(component, decodeFn, mcu, j, k);\n                }\n              }\n            }\n            mcu++;\n          }\n        }\n      }\n\n      // find marker\n      bitsCount = 0;\n      fileMarker = findNextFileMarker(data, offset);\n      if (!fileMarker) {\n        break; // Reached the end of the image data without finding any marker.\n      }\n      if (fileMarker.invalid) {\n        // Some bad images seem to pad Scan blocks with e.g. zero bytes, skip\n        // past those to attempt to find a valid marker (fixes issue4090.pdf).\n        const partialMsg = mcuToRead > 0 ? \"unexpected\" : \"excessive\";\n        warn(\n          `decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`\n        );\n        offset = fileMarker.offset;\n      }\n      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {\n        // RSTx\n        offset += 2;\n      } else {\n        break;\n      }\n    }\n\n    return offset - startOffset;\n  }\n\n  // A port of poppler's IDCT method which in turn is taken from:\n  //   Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,\n  //   'Practical Fast 1-D DCT Algorithms with 11 Multiplications',\n  //   IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,\n  //   988-991.\n  function quantizeAndInverse(component, blockBufferOffset, p) {\n    var qt = component.quantizationTable,\n      blockData = component.blockData;\n    var v0, v1, v2, v3, v4, v5, v6, v7;\n    var p0, p1, p2, p3, p4, p5, p6, p7;\n    var t;\n\n    if (!qt) {\n      throw new JpegError(\"missing required Quantization Table.\");\n    }\n\n    // inverse DCT on rows\n    for (var row = 0; row < 64; row += 8) {\n      // gather block data\n      p0 = blockData[blockBufferOffset + row];\n      p1 = blockData[blockBufferOffset + row + 1];\n      p2 = blockData[blockBufferOffset + row + 2];\n      p3 = blockData[blockBufferOffset + row + 3];\n      p4 = blockData[blockBufferOffset + row + 4];\n      p5 = blockData[blockBufferOffset + row + 5];\n      p6 = blockData[blockBufferOffset + row + 6];\n      p7 = blockData[blockBufferOffset + row + 7];\n\n      // dequant p0\n      p0 *= qt[row];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 512) >> 10;\n        p[row] = t;\n        p[row + 1] = t;\n        p[row + 2] = t;\n        p[row + 3] = t;\n        p[row + 4] = t;\n        p[row + 5] = t;\n        p[row + 6] = t;\n        p[row + 7] = t;\n        continue;\n      }\n      // dequant p1 ... p7\n      p1 *= qt[row + 1];\n      p2 *= qt[row + 2];\n      p3 *= qt[row + 3];\n      p4 *= qt[row + 4];\n      p5 *= qt[row + 5];\n      p6 *= qt[row + 6];\n      p7 *= qt[row + 7];\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 128) >> 8;\n      v1 = (dctSqrt2 * p4 + 128) >> 8;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8;\n      v5 = p3 << 4;\n      v6 = p5 << 4;\n\n      // stage 3\n      v0 = (v0 + v1 + 1) >> 1;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p[row] = v0 + v7;\n      p[row + 7] = v0 - v7;\n      p[row + 1] = v1 + v6;\n      p[row + 6] = v1 - v6;\n      p[row + 2] = v2 + v5;\n      p[row + 5] = v2 - v5;\n      p[row + 3] = v3 + v4;\n      p[row + 4] = v3 - v4;\n    }\n\n    // inverse DCT on columns\n    for (var col = 0; col < 8; ++col) {\n      p0 = p[col];\n      p1 = p[col + 8];\n      p2 = p[col + 16];\n      p3 = p[col + 24];\n      p4 = p[col + 32];\n      p5 = p[col + 40];\n      p6 = p[col + 48];\n      p7 = p[col + 56];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 8192) >> 14;\n        // Convert to 8-bit.\n        if (t < -2040) {\n          t = 0;\n        } else if (t >= 2024) {\n          t = 255;\n        } else {\n          t = (t + 2056) >> 4;\n        }\n        blockData[blockBufferOffset + col] = t;\n        blockData[blockBufferOffset + col + 8] = t;\n        blockData[blockBufferOffset + col + 16] = t;\n        blockData[blockBufferOffset + col + 24] = t;\n        blockData[blockBufferOffset + col + 32] = t;\n        blockData[blockBufferOffset + col + 40] = t;\n        blockData[blockBufferOffset + col + 48] = t;\n        blockData[blockBufferOffset + col + 56] = t;\n        continue;\n      }\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 2048) >> 12;\n      v1 = (dctSqrt2 * p4 + 2048) >> 12;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12;\n      v5 = p3;\n      v6 = p5;\n\n      // stage 3\n      // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when\n      // converting to UInt8 range later.\n      v0 = ((v0 + v1 + 1) >> 1) + 4112;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p0 = v0 + v7;\n      p7 = v0 - v7;\n      p1 = v1 + v6;\n      p6 = v1 - v6;\n      p2 = v2 + v5;\n      p5 = v2 - v5;\n      p3 = v3 + v4;\n      p4 = v3 - v4;\n\n      // Convert to 8-bit integers.\n      if (p0 < 16) {\n        p0 = 0;\n      } else if (p0 >= 4080) {\n        p0 = 255;\n      } else {\n        p0 >>= 4;\n      }\n      if (p1 < 16) {\n        p1 = 0;\n      } else if (p1 >= 4080) {\n        p1 = 255;\n      } else {\n        p1 >>= 4;\n      }\n      if (p2 < 16) {\n        p2 = 0;\n      } else if (p2 >= 4080) {\n        p2 = 255;\n      } else {\n        p2 >>= 4;\n      }\n      if (p3 < 16) {\n        p3 = 0;\n      } else if (p3 >= 4080) {\n        p3 = 255;\n      } else {\n        p3 >>= 4;\n      }\n      if (p4 < 16) {\n        p4 = 0;\n      } else if (p4 >= 4080) {\n        p4 = 255;\n      } else {\n        p4 >>= 4;\n      }\n      if (p5 < 16) {\n        p5 = 0;\n      } else if (p5 >= 4080) {\n        p5 = 255;\n      } else {\n        p5 >>= 4;\n      }\n      if (p6 < 16) {\n        p6 = 0;\n      } else if (p6 >= 4080) {\n        p6 = 255;\n      } else {\n        p6 >>= 4;\n      }\n      if (p7 < 16) {\n        p7 = 0;\n      } else if (p7 >= 4080) {\n        p7 = 255;\n      } else {\n        p7 >>= 4;\n      }\n\n      // store block data\n      blockData[blockBufferOffset + col] = p0;\n      blockData[blockBufferOffset + col + 8] = p1;\n      blockData[blockBufferOffset + col + 16] = p2;\n      blockData[blockBufferOffset + col + 24] = p3;\n      blockData[blockBufferOffset + col + 32] = p4;\n      blockData[blockBufferOffset + col + 40] = p5;\n      blockData[blockBufferOffset + col + 48] = p6;\n      blockData[blockBufferOffset + col + 56] = p7;\n    }\n  }\n\n  function buildComponentData(frame, component) {\n    var blocksPerLine = component.blocksPerLine;\n    var blocksPerColumn = component.blocksPerColumn;\n    var computationBuffer = new Int16Array(64);\n\n    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {\n      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {\n        var offset = getBlockBufferOffset(component, blockRow, blockCol);\n        quantizeAndInverse(component, offset, computationBuffer);\n      }\n    }\n    return component.blockData;\n  }\n\n  function findNextFileMarker(data, currentPos, startPos = currentPos) {\n    const maxPos = data.length - 1;\n    var newPos = startPos < currentPos ? startPos : currentPos;\n\n    if (currentPos >= maxPos) {\n      return null; // Don't attempt to read non-existent data and just return.\n    }\n    var currentMarker = readUint16(data, currentPos);\n    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {\n      return {\n        invalid: null,\n        marker: currentMarker,\n        offset: currentPos,\n      };\n    }\n    var newMarker = readUint16(data, newPos);\n    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {\n      if (++newPos >= maxPos) {\n        return null; // Don't attempt to read non-existent data and just return.\n      }\n      newMarker = readUint16(data, newPos);\n    }\n    return {\n      invalid: currentMarker.toString(16),\n      marker: newMarker,\n      offset: newPos,\n    };\n  }\n\n  JpegImage.prototype = {\n    parse(data, { dnlScanLines = null } = {}) {\n      function readDataBlock() {\n        const length = readUint16(data, offset);\n        offset += 2;\n        let endOffset = offset + length - 2;\n\n        var fileMarker = findNextFileMarker(data, endOffset, offset);\n        if (fileMarker && fileMarker.invalid) {\n          warn(\n            \"readDataBlock - incorrect length, current marker is: \" +\n              fileMarker.invalid\n          );\n          endOffset = fileMarker.offset;\n        }\n\n        var array = data.subarray(offset, endOffset);\n        offset += array.length;\n        return array;\n      }\n\n      function prepareComponents(frame) {\n        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);\n        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);\n        for (var i = 0; i < frame.components.length; i++) {\n          component = frame.components[i];\n          var blocksPerLine = Math.ceil(\n            (Math.ceil(frame.samplesPerLine / 8) * component.h) / frame.maxH\n          );\n          var blocksPerColumn = Math.ceil(\n            (Math.ceil(frame.scanLines / 8) * component.v) / frame.maxV\n          );\n          var blocksPerLineForMcu = mcusPerLine * component.h;\n          var blocksPerColumnForMcu = mcusPerColumn * component.v;\n\n          var blocksBufferSize =\n            64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);\n          component.blockData = new Int16Array(blocksBufferSize);\n          component.blocksPerLine = blocksPerLine;\n          component.blocksPerColumn = blocksPerColumn;\n        }\n        frame.mcusPerLine = mcusPerLine;\n        frame.mcusPerColumn = mcusPerColumn;\n      }\n\n      var offset = 0;\n      var jfif = null;\n      var adobe = null;\n      var frame, resetInterval;\n      let numSOSMarkers = 0;\n      var quantizationTables = [];\n      var huffmanTablesAC = [],\n        huffmanTablesDC = [];\n\n      let fileMarker = readUint16(data, offset);\n      offset += 2;\n      if (fileMarker !== /* SOI (Start of Image) = */ 0xffd8) {\n        throw new JpegError(\"SOI not found\");\n      }\n      fileMarker = readUint16(data, offset);\n      offset += 2;\n\n      markerLoop: while (fileMarker !== /* EOI (End of Image) = */ 0xffd9) {\n        var i, j, l;\n        switch (fileMarker) {\n          case 0xffe0: // APP0 (Application Specific)\n          case 0xffe1: // APP1\n          case 0xffe2: // APP2\n          case 0xffe3: // APP3\n          case 0xffe4: // APP4\n          case 0xffe5: // APP5\n          case 0xffe6: // APP6\n          case 0xffe7: // APP7\n          case 0xffe8: // APP8\n          case 0xffe9: // APP9\n          case 0xffea: // APP10\n          case 0xffeb: // APP11\n          case 0xffec: // APP12\n          case 0xffed: // APP13\n          case 0xffee: // APP14\n          case 0xffef: // APP15\n          case 0xfffe: // COM (Comment)\n            var appData = readDataBlock();\n\n            if (fileMarker === 0xffe0) {\n              // 'JFIF\\x00'\n              if (\n                appData[0] === 0x4a &&\n                appData[1] === 0x46 &&\n                appData[2] === 0x49 &&\n                appData[3] === 0x46 &&\n                appData[4] === 0\n              ) {\n                jfif = {\n                  version: { major: appData[5], minor: appData[6] },\n                  densityUnits: appData[7],\n                  xDensity: (appData[8] << 8) | appData[9],\n                  yDensity: (appData[10] << 8) | appData[11],\n                  thumbWidth: appData[12],\n                  thumbHeight: appData[13],\n                  thumbData: appData.subarray(\n                    14,\n                    14 + 3 * appData[12] * appData[13]\n                  ),\n                };\n              }\n            }\n            // TODO APP1 - Exif\n            if (fileMarker === 0xffee) {\n              // 'Adobe'\n              if (\n                appData[0] === 0x41 &&\n                appData[1] === 0x64 &&\n                appData[2] === 0x6f &&\n                appData[3] === 0x62 &&\n                appData[4] === 0x65\n              ) {\n                adobe = {\n                  version: (appData[5] << 8) | appData[6],\n                  flags0: (appData[7] << 8) | appData[8],\n                  flags1: (appData[9] << 8) | appData[10],\n                  transformCode: appData[11],\n                };\n              }\n            }\n            break;\n\n          case 0xffdb: // DQT (Define Quantization Tables)\n            const quantizationTablesLength = readUint16(data, offset);\n            offset += 2;\n            var quantizationTablesEnd = quantizationTablesLength + offset - 2;\n            var z;\n            while (offset < quantizationTablesEnd) {\n              var quantizationTableSpec = data[offset++];\n              var tableData = new Uint16Array(64);\n              if (quantizationTableSpec >> 4 === 0) {\n                // 8 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = data[offset++];\n                }\n              } else if (quantizationTableSpec >> 4 === 1) {\n                // 16 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = readUint16(data, offset);\n                  offset += 2;\n                }\n              } else {\n                throw new JpegError(\"DQT - invalid table spec\");\n              }\n              quantizationTables[quantizationTableSpec & 15] = tableData;\n            }\n            break;\n\n          case 0xffc0: // SOF0 (Start of Frame, Baseline DCT)\n          case 0xffc1: // SOF1 (Start of Frame, Extended DCT)\n          case 0xffc2: // SOF2 (Start of Frame, Progressive DCT)\n            if (frame) {\n              throw new JpegError(\"Only single frame JPEGs supported\");\n            }\n            offset += 2; // Skip marker length.\n\n            frame = {};\n            frame.extended = fileMarker === 0xffc1;\n            frame.progressive = fileMarker === 0xffc2;\n            frame.precision = data[offset++];\n            const sofScanLines = readUint16(data, offset);\n            offset += 2;\n            frame.scanLines = dnlScanLines || sofScanLines;\n            frame.samplesPerLine = readUint16(data, offset);\n            offset += 2;\n            frame.components = [];\n            frame.componentIds = {};\n            var componentsCount = data[offset++],\n              componentId;\n            var maxH = 0,\n              maxV = 0;\n            for (i = 0; i < componentsCount; i++) {\n              componentId = data[offset];\n              var h = data[offset + 1] >> 4;\n              var v = data[offset + 1] & 15;\n              if (maxH < h) {\n                maxH = h;\n              }\n              if (maxV < v) {\n                maxV = v;\n              }\n              var qId = data[offset + 2];\n              l = frame.components.push({\n                h,\n                v,\n                quantizationId: qId,\n                quantizationTable: null, // See comment below.\n              });\n              frame.componentIds[componentId] = l - 1;\n              offset += 3;\n            }\n            frame.maxH = maxH;\n            frame.maxV = maxV;\n            prepareComponents(frame);\n            break;\n\n          case 0xffc4: // DHT (Define Huffman Tables)\n            const huffmanLength = readUint16(data, offset);\n            offset += 2;\n            for (i = 2; i < huffmanLength; ) {\n              var huffmanTableSpec = data[offset++];\n              var codeLengths = new Uint8Array(16);\n              var codeLengthSum = 0;\n              for (j = 0; j < 16; j++, offset++) {\n                codeLengthSum += codeLengths[j] = data[offset];\n              }\n              var huffmanValues = new Uint8Array(codeLengthSum);\n              for (j = 0; j < codeLengthSum; j++, offset++) {\n                huffmanValues[j] = data[offset];\n              }\n              i += 17 + codeLengthSum;\n\n              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[\n                huffmanTableSpec & 15\n              ] = buildHuffmanTable(codeLengths, huffmanValues);\n            }\n            break;\n\n          case 0xffdd: // DRI (Define Restart Interval)\n            offset += 2; // Skip marker length.\n\n            resetInterval = readUint16(data, offset);\n            offset += 2;\n            break;\n\n          case 0xffda: // SOS (Start of Scan)\n            // A DNL marker (0xFFDC), if it exists, is only allowed at the end\n            // of the first scan segment and may only occur once in an image.\n            // Furthermore, to prevent an infinite loop, do *not* attempt to\n            // parse DNL markers during re-parsing of the JPEG scan data.\n            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;\n\n            offset += 2; // Skip marker length.\n\n            var selectorsCount = data[offset++];\n            var components = [],\n              component;\n            for (i = 0; i < selectorsCount; i++) {\n              const index = data[offset++];\n              var componentIndex = frame.componentIds[index];\n              component = frame.components[componentIndex];\n              component.index = index;\n              var tableSpec = data[offset++];\n              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];\n              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];\n              components.push(component);\n            }\n            var spectralStart = data[offset++];\n            var spectralEnd = data[offset++];\n            var successiveApproximation = data[offset++];\n            try {\n              var processed = decodeScan(\n                data,\n                offset,\n                frame,\n                components,\n                resetInterval,\n                spectralStart,\n                spectralEnd,\n                successiveApproximation >> 4,\n                successiveApproximation & 15,\n                parseDNLMarker\n              );\n              offset += processed;\n            } catch (ex) {\n              if (ex instanceof DNLMarkerError) {\n                warn(`${ex.message} -- attempting to re-parse the JPEG image.`);\n                return this.parse(data, { dnlScanLines: ex.scanLines });\n              } else if (ex instanceof EOIMarkerError) {\n                warn(`${ex.message} -- ignoring the rest of the image data.`);\n                break markerLoop;\n              }\n              throw ex;\n            }\n            break;\n\n          case 0xffdc: // DNL (Define Number of Lines)\n            // Ignore the marker, since it's being handled in `decodeScan`.\n            offset += 4;\n            break;\n\n          case 0xffff: // Fill bytes\n            if (data[offset] !== 0xff) {\n              // Avoid skipping a valid marker.\n              offset--;\n            }\n            break;\n\n          default:\n            // Could be incorrect encoding -- the last 0xFF byte of the previous\n            // block could have been eaten by the encoder, hence we fallback to\n            // `startPos = offset - 3` when looking for the next valid marker.\n            const nextFileMarker = findNextFileMarker(\n              data,\n              /* currentPos = */ offset - 2,\n              /* startPos = */ offset - 3\n            );\n            if (nextFileMarker && nextFileMarker.invalid) {\n              warn(\n                \"JpegImage.parse - unexpected data, current marker is: \" +\n                  nextFileMarker.invalid\n              );\n              offset = nextFileMarker.offset;\n              break;\n            }\n            if (offset >= data.length - 1) {\n              warn(\n                \"JpegImage.parse - reached the end of the image data \" +\n                  \"without finding an EOI marker (0xFFD9).\"\n              );\n              break markerLoop;\n            }\n            throw new JpegError(\n              \"JpegImage.parse - unknown marker: \" + fileMarker.toString(16)\n            );\n        }\n        fileMarker = readUint16(data, offset);\n        offset += 2;\n      }\n\n      this.width = frame.samplesPerLine;\n      this.height = frame.scanLines;\n      this.jfif = jfif;\n      this.adobe = adobe;\n      this.components = [];\n      for (i = 0; i < frame.components.length; i++) {\n        component = frame.components[i];\n\n        // Prevent errors when DQT markers are placed after SOF{n} markers,\n        // by assigning the `quantizationTable` entry after the entire image\n        // has been parsed (fixes issue7406.pdf).\n        var quantizationTable = quantizationTables[component.quantizationId];\n        if (quantizationTable) {\n          component.quantizationTable = quantizationTable;\n        }\n\n        this.components.push({\n          index: component.index,\n          output: buildComponentData(frame, component),\n          scaleX: component.h / frame.maxH,\n          scaleY: component.v / frame.maxV,\n          blocksPerLine: component.blocksPerLine,\n          blocksPerColumn: component.blocksPerColumn,\n        });\n      }\n      this.numComponents = this.components.length;\n      return undefined;\n    },\n\n    _getLinearizedBlockData(width, height, isSourcePDF = false) {\n      var scaleX = this.width / width,\n        scaleY = this.height / height;\n\n      var component, componentScaleX, componentScaleY, blocksPerScanline;\n      var x, y, i, j, k;\n      var index;\n      var offset = 0;\n      var output;\n      var numComponents = this.components.length;\n      var dataLength = width * height * numComponents;\n      var data = new Uint8ClampedArray(dataLength);\n      var xScaleBlockOffset = new Uint32Array(width);\n      var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs\n      let lastComponentScaleX;\n\n      for (i = 0; i < numComponents; i++) {\n        component = this.components[i];\n        componentScaleX = component.scaleX * scaleX;\n        componentScaleY = component.scaleY * scaleY;\n        offset = i;\n        output = component.output;\n        blocksPerScanline = (component.blocksPerLine + 1) << 3;\n        // Precalculate the `xScaleBlockOffset`. Since it doesn't depend on the\n        // component data, that's only necessary when `componentScaleX` changes.\n        if (componentScaleX !== lastComponentScaleX) {\n          for (x = 0; x < width; x++) {\n            j = 0 | (x * componentScaleX);\n            xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7);\n          }\n          lastComponentScaleX = componentScaleX;\n        }\n        // linearize the blocks of the component\n        for (y = 0; y < height; y++) {\n          j = 0 | (y * componentScaleY);\n          index = (blocksPerScanline * (j & mask3LSB)) | ((j & 7) << 3);\n          for (x = 0; x < width; x++) {\n            data[offset] = output[index + xScaleBlockOffset[x]];\n            offset += numComponents;\n          }\n        }\n      }\n\n      // decodeTransform contains pairs of multiplier (-256..256) and additive\n      let transform = this._decodeTransform;\n\n      // In PDF files, JPEG images with CMYK colour spaces are usually inverted\n      // (this can be observed by extracting the raw image data).\n      // Since the conversion algorithms (see below) were written primarily for\n      // the PDF use-cases, attempting to use `JpegImage` to parse standalone\n      // JPEG (CMYK) images may thus result in inverted images (see issue 9513).\n      //\n      // Unfortunately it's not (always) possible to tell, from the image data\n      // alone, if it needs to be inverted. Thus in an attempt to provide better\n      // out-of-box behaviour when `JpegImage` is used standalone, default to\n      // inverting JPEG (CMYK) images if and only if the image data does *not*\n      // come from a PDF file and no `decodeTransform` was passed by the user.\n      if (!isSourcePDF && numComponents === 4 && !transform) {\n        // prettier-ignore\n        transform = new Int32Array([\n          -256, 255, -256, 255, -256, 255, -256, 255]);\n      }\n\n      if (transform) {\n        for (i = 0; i < dataLength; ) {\n          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {\n            data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1];\n          }\n        }\n      }\n      return data;\n    },\n\n    get _isColorConversionNeeded() {\n      if (this.adobe) {\n        // The adobe transform marker overrides any previous setting.\n        return !!this.adobe.transformCode;\n      }\n      if (this.numComponents === 3) {\n        if (this._colorTransform === 0) {\n          // If the Adobe transform marker is not present and the image\n          // dictionary has a 'ColorTransform' entry, explicitly set to `0`,\n          // then the colours should *not* be transformed.\n          return false;\n        } else if (\n          this.components[0].index === /* \"R\" = */ 0x52 &&\n          this.components[1].index === /* \"G\" = */ 0x47 &&\n          this.components[2].index === /* \"B\" = */ 0x42\n        ) {\n          // If the three components are indexed as RGB in ASCII\n          // then the colours should *not* be transformed.\n          return false;\n        }\n        return true;\n      }\n      // `this.numComponents !== 3`\n      if (this._colorTransform === 1) {\n        // If the Adobe transform marker is not present and the image\n        // dictionary has a 'ColorTransform' entry, explicitly set to `1`,\n        // then the colours should be transformed.\n        return true;\n      }\n      return false;\n    },\n\n    _convertYccToRgb: function convertYccToRgb(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 3) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = Y - 179.456 + 1.402 * Cr;\n        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;\n        data[i + 2] = Y - 226.816 + 1.772 * Cb;\n      }\n      return data;\n    },\n\n    _convertYcckToRgb: function convertYcckToRgb(data) {\n      var Y, Cb, Cr, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          -122.67195406894 +\n          Cb *\n            (-6.60635669420364e-5 * Cb +\n              0.000437130475926232 * Cr -\n              5.4080610064599e-5 * Y +\n              0.00048449797120281 * k -\n              0.154362151871126) +\n          Cr *\n            (-0.000957964378445773 * Cr +\n              0.000817076911346625 * Y -\n              0.00477271405408747 * k +\n              1.53380253221734) +\n          Y *\n            (0.000961250184130688 * Y -\n              0.00266257332283933 * k +\n              0.48357088451265) +\n          k * (-0.000336197177618394 * k + 0.484791561490776);\n\n        data[offset++] =\n          107.268039397724 +\n          Cb *\n            (2.19927104525741e-5 * Cb -\n              0.000640992018297945 * Cr +\n              0.000659397001245577 * Y +\n              0.000426105652938837 * k -\n              0.176491792462875) +\n          Cr *\n            (-0.000778269941513683 * Cr +\n              0.00130872261408275 * Y +\n              0.000770482631801132 * k -\n              0.151051492775562) +\n          Y *\n            (0.00126935368114843 * Y -\n              0.00265090189010898 * k +\n              0.25802910206845) +\n          k * (-0.000318913117588328 * k - 0.213742400323665);\n\n        data[offset++] =\n          -20.810012546947 +\n          Cb *\n            (-0.000570115196973677 * Cb -\n              2.63409051004589e-5 * Cr +\n              0.0020741088115012 * Y -\n              0.00288260236853442 * k +\n              0.814272968359295) +\n          Cr *\n            (-1.53496057440975e-5 * Cr -\n              0.000132689043961446 * Y +\n              0.000560833691242812 * k -\n              0.195152027534049) +\n          Y *\n            (0.00174418132927582 * Y -\n              0.00255243321439347 * k +\n              0.116935020465145) +\n          k * (-0.000343531996510555 * k + 0.24165260232407);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    _convertYcckToCmyk: function convertYcckToCmyk(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = 434.456 - Y - 1.402 * Cr;\n        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;\n        data[i + 2] = 481.816 - Y - 1.772 * Cb;\n        // K in data[i + 3] is unchanged\n      }\n      return data;\n    },\n\n    _convertCmykToRgb: function convertCmykToRgb(data) {\n      var c, m, y, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        c = data[i];\n        m = data[i + 1];\n        y = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          255 +\n          c *\n            (-0.00006747147073602441 * c +\n              0.0008379262121013727 * m +\n              0.0002894718188643294 * y +\n              0.003264231057537806 * k -\n              1.1185611867203937) +\n          m *\n            (0.000026374107616089405 * m -\n              0.00008626949158638572 * y -\n              0.0002748769067499491 * k -\n              0.02155688794978967) +\n          y *\n            (-0.00003878099212869363 * y -\n              0.0003267808279485286 * k +\n              0.0686742238595345) -\n          k * (0.0003361971776183937 * k + 0.7430659151342254);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.00013596372813588848 * c +\n              0.000924537132573585 * m +\n              0.00010567359618683593 * y +\n              0.0004791864687436512 * k -\n              0.3109689587515875) +\n          m *\n            (-0.00023545346108370344 * m +\n              0.0002702845253534714 * y +\n              0.0020200308977307156 * k -\n              0.7488052167015494) +\n          y *\n            (0.00006834815998235662 * y +\n              0.00015168452363460973 * k -\n              0.09751927774728933) -\n          k * (0.00031891311758832814 * k + 0.7364883807733168);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.000013598650411385307 * c +\n              0.00012423956175490851 * m +\n              0.0004751985097583589 * y -\n              0.0000036729317476630422 * k -\n              0.05562186980264034) +\n          m *\n            (0.00016141380598724676 * m +\n              0.0009692239130725186 * y +\n              0.0007782692450036253 * k -\n              0.44015232367526463) +\n          y *\n            (5.068882914068769e-7 * y +\n              0.0017778369011375071 * k -\n              0.7591454649749609) -\n          k * (0.0003435319965105553 * k + 0.7063770186160144);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    getData({ width, height, forceRGB = false, isSourcePDF = false }) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          isSourcePDF === true,\n          'JpegImage.getData: Unexpected \"isSourcePDF\" value for PDF files.'\n        );\n      }\n      if (this.numComponents > 4) {\n        throw new JpegError(\"Unsupported color mode\");\n      }\n      // Type of data: Uint8ClampedArray(width * height * numComponents)\n      var data = this._getLinearizedBlockData(width, height, isSourcePDF);\n\n      if (this.numComponents === 1 && forceRGB) {\n        var dataLength = data.length;\n        var rgbData = new Uint8ClampedArray(dataLength * 3);\n        var offset = 0;\n        for (var i = 0; i < dataLength; i++) {\n          var grayColor = data[i];\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n        }\n        return rgbData;\n      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {\n        return this._convertYccToRgb(data);\n      } else if (this.numComponents === 4) {\n        if (this._isColorConversionNeeded) {\n          if (forceRGB) {\n            return this._convertYcckToRgb(data);\n          }\n          return this._convertYcckToCmyk(data);\n        } else if (forceRGB) {\n          return this._convertCmykToRgb(data);\n        }\n      }\n      return data;\n    },\n  };\n\n  return JpegImage;\n})();\n\nexport { JpegImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DecodeStream } from \"./stream.js\";\nimport { JpxImage } from \"./jpx.js\";\nimport { shadow } from \"../shared/util.js\";\n\n/**\n * For JPEG 2000's we use a library to decode these images and\n * the stream behaves like all the other DecodeStreams.\n */\nconst JpxStream = (function JpxStreamClosure() {\n  // eslint-disable-next-line no-shadow\n  function JpxStream(stream, maybeLength, dict, params) {\n    this.stream = stream;\n    this.maybeLength = maybeLength;\n    this.dict = dict;\n    this.params = params;\n\n    DecodeStream.call(this, maybeLength);\n  }\n\n  JpxStream.prototype = Object.create(DecodeStream.prototype);\n\n  Object.defineProperty(JpxStream.prototype, \"bytes\", {\n    get: function JpxStream_bytes() {\n      // If `this.maybeLength` is null, we'll get the entire stream.\n      return shadow(this, \"bytes\", this.stream.getBytes(this.maybeLength));\n    },\n    configurable: true,\n  });\n\n  JpxStream.prototype.ensureBuffer = function (requested) {\n    // No-op, since `this.readBlock` will always parse the entire image and\n    // directly insert all of its data into `this.buffer`.\n  };\n\n  JpxStream.prototype.readBlock = function () {\n    if (this.eof) {\n      return;\n    }\n    const jpxImage = new JpxImage();\n    jpxImage.parse(this.bytes);\n\n    const width = jpxImage.width;\n    const height = jpxImage.height;\n    const componentsCount = jpxImage.componentsCount;\n    const tileCount = jpxImage.tiles.length;\n    if (tileCount === 1) {\n      this.buffer = jpxImage.tiles[0].items;\n    } else {\n      const data = new Uint8ClampedArray(width * height * componentsCount);\n\n      for (let k = 0; k < tileCount; k++) {\n        const tileComponents = jpxImage.tiles[k];\n        const tileWidth = tileComponents.width;\n        const tileHeight = tileComponents.height;\n        const tileLeft = tileComponents.left;\n        const tileTop = tileComponents.top;\n\n        const src = tileComponents.items;\n        let srcPosition = 0;\n        let dataPosition = (width * tileTop + tileLeft) * componentsCount;\n        const imgRowSize = width * componentsCount;\n        const tileRowSize = tileWidth * componentsCount;\n\n        for (let j = 0; j < tileHeight; j++) {\n          const rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);\n          data.set(rowBytes, dataPosition);\n          srcPosition += tileRowSize;\n          dataPosition += imgRowSize;\n        }\n      }\n      this.buffer = data;\n    }\n    this.bufferLength = this.buffer.length;\n    this.eof = true;\n  };\n\n  return JpxStream;\n})();\n\nexport { JpxStream };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, info, warn } from \"../shared/util.js\";\nimport { log2, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\n\nclass JpxError extends BaseException {\n  constructor(msg) {\n    super(`JPX error: ${msg}`);\n  }\n}\n\nvar JpxImage = (function JpxImageClosure() {\n  // Table E.1\n  var SubbandsGainLog2 = {\n    LL: 0,\n    LH: 1,\n    HL: 1,\n    HH: 2,\n  };\n\n  // eslint-disable-next-line no-shadow\n  function JpxImage() {\n    this.failOnCorruptedImage = false;\n  }\n  JpxImage.prototype = {\n    parse: function JpxImage_parse(data) {\n      var head = readUint16(data, 0);\n      // No box header, immediate start of codestream (SOC)\n      if (head === 0xff4f) {\n        this.parseCodestream(data, 0, data.length);\n        return;\n      }\n\n      var position = 0,\n        length = data.length;\n      while (position < length) {\n        var headerSize = 8;\n        var lbox = readUint32(data, position);\n        var tbox = readUint32(data, position + 4);\n        position += headerSize;\n        if (lbox === 1) {\n          // XLBox: read UInt64 according to spec.\n          // JavaScript's int precision of 53 bit should be sufficient here.\n          lbox =\n            readUint32(data, position) * 4294967296 +\n            readUint32(data, position + 4);\n          position += 8;\n          headerSize += 8;\n        }\n        if (lbox === 0) {\n          lbox = length - position + headerSize;\n        }\n        if (lbox < headerSize) {\n          throw new JpxError(\"Invalid box field size\");\n        }\n        var dataLength = lbox - headerSize;\n        var jumpDataLength = true;\n        switch (tbox) {\n          case 0x6a703268: // 'jp2h'\n            jumpDataLength = false; // parsing child boxes\n            break;\n          case 0x636f6c72: // 'colr'\n            // Colorspaces are not used, the CS from the PDF is used.\n            var method = data[position];\n            if (method === 1) {\n              // enumerated colorspace\n              var colorspace = readUint32(data, position + 3);\n              switch (colorspace) {\n                case 16: // this indicates a sRGB colorspace\n                case 17: // this indicates a grayscale colorspace\n                case 18: // this indicates a YUV colorspace\n                  break;\n                default:\n                  warn(\"Unknown colorspace \" + colorspace);\n                  break;\n              }\n            } else if (method === 2) {\n              info(\"ICC profile not supported\");\n            }\n            break;\n          case 0x6a703263: // 'jp2c'\n            this.parseCodestream(data, position, position + dataLength);\n            break;\n          case 0x6a502020: // 'jP\\024\\024'\n            if (readUint32(data, position) !== 0x0d0a870a) {\n              warn(\"Invalid JP2 signature\");\n            }\n            break;\n          // The following header types are valid but currently not used:\n          case 0x6a501a1a: // 'jP\\032\\032'\n          case 0x66747970: // 'ftyp'\n          case 0x72726571: // 'rreq'\n          case 0x72657320: // 'res '\n          case 0x69686472: // 'ihdr'\n            break;\n          default:\n            var headerType = String.fromCharCode(\n              (tbox >> 24) & 0xff,\n              (tbox >> 16) & 0xff,\n              (tbox >> 8) & 0xff,\n              tbox & 0xff\n            );\n            warn(\"Unsupported header type \" + tbox + \" (\" + headerType + \")\");\n            break;\n        }\n        if (jumpDataLength) {\n          position += dataLength;\n        }\n      }\n    },\n    parseImageProperties: function JpxImage_parseImageProperties(stream) {\n      var newByte = stream.getByte();\n      while (newByte >= 0) {\n        var oldByte = newByte;\n        newByte = stream.getByte();\n        var code = (oldByte << 8) | newByte;\n        // Image and tile size (SIZ)\n        if (code === 0xff51) {\n          stream.skip(4);\n          var Xsiz = stream.getInt32() >>> 0; // Byte 4\n          var Ysiz = stream.getInt32() >>> 0; // Byte 8\n          var XOsiz = stream.getInt32() >>> 0; // Byte 12\n          var YOsiz = stream.getInt32() >>> 0; // Byte 16\n          stream.skip(16);\n          var Csiz = stream.getUint16(); // Byte 36\n          this.width = Xsiz - XOsiz;\n          this.height = Ysiz - YOsiz;\n          this.componentsCount = Csiz;\n          // Results are always returned as `Uint8ClampedArray`s.\n          this.bitsPerComponent = 8;\n          return;\n        }\n      }\n      throw new JpxError(\"No size marker found in JPX stream\");\n    },\n    parseCodestream: function JpxImage_parseCodestream(data, start, end) {\n      var context = {};\n      var doNotRecover = false;\n      try {\n        var position = start;\n        while (position + 1 < end) {\n          var code = readUint16(data, position);\n          position += 2;\n\n          var length = 0,\n            j,\n            sqcd,\n            spqcds,\n            spqcdSize,\n            scalarExpounded,\n            tile;\n          switch (code) {\n            case 0xff4f: // Start of codestream (SOC)\n              context.mainHeader = true;\n              break;\n            case 0xffd9: // End of codestream (EOC)\n              break;\n            case 0xff51: // Image and tile size (SIZ)\n              length = readUint16(data, position);\n              var siz = {};\n              siz.Xsiz = readUint32(data, position + 4);\n              siz.Ysiz = readUint32(data, position + 8);\n              siz.XOsiz = readUint32(data, position + 12);\n              siz.YOsiz = readUint32(data, position + 16);\n              siz.XTsiz = readUint32(data, position + 20);\n              siz.YTsiz = readUint32(data, position + 24);\n              siz.XTOsiz = readUint32(data, position + 28);\n              siz.YTOsiz = readUint32(data, position + 32);\n              var componentsCount = readUint16(data, position + 36);\n              siz.Csiz = componentsCount;\n              var components = [];\n              j = position + 38;\n              for (var i = 0; i < componentsCount; i++) {\n                var component = {\n                  precision: (data[j] & 0x7f) + 1,\n                  isSigned: !!(data[j] & 0x80),\n                  XRsiz: data[j + 1],\n                  YRsiz: data[j + 2],\n                };\n                j += 3;\n                calculateComponentDimensions(component, siz);\n                components.push(component);\n              }\n              context.SIZ = siz;\n              context.components = components;\n              calculateTileGrids(context, components);\n              context.QCC = [];\n              context.COC = [];\n              break;\n            case 0xff5c: // Quantization default (QCD)\n              length = readUint16(data, position);\n              var qcd = {};\n              j = position + 2;\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcd.noQuantization = spqcdSize === 8;\n              qcd.scalarExpounded = scalarExpounded;\n              qcd.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                var spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcd.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCD = qcd;\n              } else {\n                context.currentTile.QCD = qcd;\n                context.currentTile.QCC = [];\n              }\n              break;\n            case 0xff5d: // Quantization component (QCC)\n              length = readUint16(data, position);\n              var qcc = {};\n              j = position + 2;\n              var cqcc;\n              if (context.SIZ.Csiz < 257) {\n                cqcc = data[j++];\n              } else {\n                cqcc = readUint16(data, j);\n                j += 2;\n              }\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcc.noQuantization = spqcdSize === 8;\n              qcc.scalarExpounded = scalarExpounded;\n              qcc.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcc.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCC[cqcc] = qcc;\n              } else {\n                context.currentTile.QCC[cqcc] = qcc;\n              }\n              break;\n            case 0xff52: // Coding style default (COD)\n              length = readUint16(data, position);\n              var cod = {};\n              j = position + 2;\n              var scod = data[j++];\n              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);\n              cod.sopMarkerUsed = !!(scod & 2);\n              cod.ephMarkerUsed = !!(scod & 4);\n              cod.progressionOrder = data[j++];\n              cod.layersCount = readUint16(data, j);\n              j += 2;\n              cod.multipleComponentTransform = data[j++];\n\n              cod.decompositionLevelsCount = data[j++];\n              cod.xcb = (data[j++] & 0xf) + 2;\n              cod.ycb = (data[j++] & 0xf) + 2;\n              var blockStyle = data[j++];\n              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);\n              cod.resetContextProbabilities = !!(blockStyle & 2);\n              cod.terminationOnEachCodingPass = !!(blockStyle & 4);\n              cod.verticallyStripe = !!(blockStyle & 8);\n              cod.predictableTermination = !!(blockStyle & 16);\n              cod.segmentationSymbolUsed = !!(blockStyle & 32);\n              cod.reversibleTransformation = data[j++];\n              if (cod.entropyCoderWithCustomPrecincts) {\n                var precinctsSizes = [];\n                while (j < length + position) {\n                  var precinctsSize = data[j++];\n                  precinctsSizes.push({\n                    PPx: precinctsSize & 0xf,\n                    PPy: precinctsSize >> 4,\n                  });\n                }\n                cod.precinctsSizes = precinctsSizes;\n              }\n              var unsupported = [];\n              if (cod.selectiveArithmeticCodingBypass) {\n                unsupported.push(\"selectiveArithmeticCodingBypass\");\n              }\n              if (cod.resetContextProbabilities) {\n                unsupported.push(\"resetContextProbabilities\");\n              }\n              if (cod.terminationOnEachCodingPass) {\n                unsupported.push(\"terminationOnEachCodingPass\");\n              }\n              if (cod.verticallyStripe) {\n                unsupported.push(\"verticallyStripe\");\n              }\n              if (cod.predictableTermination) {\n                unsupported.push(\"predictableTermination\");\n              }\n              if (unsupported.length > 0) {\n                doNotRecover = true;\n                throw new Error(\n                  \"Unsupported COD options (\" + unsupported.join(\", \") + \")\"\n                );\n              }\n              if (context.mainHeader) {\n                context.COD = cod;\n              } else {\n                context.currentTile.COD = cod;\n                context.currentTile.COC = [];\n              }\n              break;\n            case 0xff90: // Start of tile-part (SOT)\n              length = readUint16(data, position);\n              tile = {};\n              tile.index = readUint16(data, position + 2);\n              tile.length = readUint32(data, position + 4);\n              tile.dataEnd = tile.length + position - 2;\n              tile.partIndex = data[position + 8];\n              tile.partsCount = data[position + 9];\n\n              context.mainHeader = false;\n              if (tile.partIndex === 0) {\n                // reset component specific settings\n                tile.COD = context.COD;\n                tile.COC = context.COC.slice(0); // clone of the global COC\n                tile.QCD = context.QCD;\n                tile.QCC = context.QCC.slice(0); // clone of the global COC\n              }\n              context.currentTile = tile;\n              break;\n            case 0xff93: // Start of data (SOD)\n              tile = context.currentTile;\n              if (tile.partIndex === 0) {\n                initializeTile(context, tile.index);\n                buildPackets(context);\n              }\n\n              // moving to the end of the data\n              length = tile.dataEnd - position;\n              parseTilePackets(context, data, position, length);\n              break;\n            case 0xff55: // Tile-part lengths, main header (TLM)\n            case 0xff57: // Packet length, main header (PLM)\n            case 0xff58: // Packet length, tile-part header (PLT)\n            case 0xff64: // Comment (COM)\n              length = readUint16(data, position);\n              // skipping content\n              break;\n            case 0xff53: // Coding style component (COC)\n              throw new Error(\n                \"Codestream code 0xFF53 (COC) is not implemented\"\n              );\n            default:\n              throw new Error(\"Unknown codestream code: \" + code.toString(16));\n          }\n          position += length;\n        }\n      } catch (e) {\n        if (doNotRecover || this.failOnCorruptedImage) {\n          throw new JpxError(e.message);\n        } else {\n          warn(\"JPX: Trying to recover from: \" + e.message);\n        }\n      }\n      this.tiles = transformComponents(context);\n      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;\n      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;\n      this.componentsCount = context.SIZ.Csiz;\n    },\n  };\n  function calculateComponentDimensions(component, siz) {\n    // Section B.2 Component mapping\n    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);\n    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);\n    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);\n    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);\n    component.width = component.x1 - component.x0;\n    component.height = component.y1 - component.y0;\n  }\n  function calculateTileGrids(context, components) {\n    var siz = context.SIZ;\n    // Section B.3 Division into tile and tile-components\n    var tile,\n      tiles = [];\n    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);\n    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);\n    for (var q = 0; q < numYtiles; q++) {\n      for (var p = 0; p < numXtiles; p++) {\n        tile = {};\n        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);\n        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);\n        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);\n        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);\n        tile.width = tile.tx1 - tile.tx0;\n        tile.height = tile.ty1 - tile.ty0;\n        tile.components = [];\n        tiles.push(tile);\n      }\n    }\n    context.tiles = tiles;\n\n    var componentsCount = siz.Csiz;\n    for (var i = 0, ii = componentsCount; i < ii; i++) {\n      var component = components[i];\n      for (var j = 0, jj = tiles.length; j < jj; j++) {\n        var tileComponent = {};\n        tile = tiles[j];\n        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);\n        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);\n        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);\n        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);\n        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;\n        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;\n        tile.components[i] = tileComponent;\n      }\n    }\n  }\n  function getBlocksDimensions(context, component, r) {\n    var codOrCoc = component.codingStyleParameters;\n    var result = {};\n    if (!codOrCoc.entropyCoderWithCustomPrecincts) {\n      result.PPx = 15;\n      result.PPy = 15;\n    } else {\n      result.PPx = codOrCoc.precinctsSizes[r].PPx;\n      result.PPy = codOrCoc.precinctsSizes[r].PPy;\n    }\n    // calculate codeblock size as described in section B.7\n    result.xcb_ =\n      r > 0\n        ? Math.min(codOrCoc.xcb, result.PPx - 1)\n        : Math.min(codOrCoc.xcb, result.PPx);\n    result.ycb_ =\n      r > 0\n        ? Math.min(codOrCoc.ycb, result.PPy - 1)\n        : Math.min(codOrCoc.ycb, result.PPy);\n    return result;\n  }\n  function buildPrecincts(context, resolution, dimensions) {\n    // Section B.6 Division resolution to precincts\n    var precinctWidth = 1 << dimensions.PPx;\n    var precinctHeight = 1 << dimensions.PPy;\n    // Jasper introduces codeblock groups for mapping each subband codeblocks\n    // to precincts. Precinct partition divides a resolution according to width\n    // and height parameters. The subband that belongs to the resolution level\n    // has a different size than the level, unless it is the zero resolution.\n\n    // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding:\n    // The precinct partitioning for a particular subband is derived from a\n    // partitioning of its parent LL band (i.e., the LL band at the next higher\n    // resolution level)... The LL band associated with each resolution level is\n    // divided into precincts... Each of the resulting precinct regions is then\n    // mapped into its child subbands (if any) at the next lower resolution\n    // level. This is accomplished by using the coordinate transformation\n    // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the\n    // coordinates of a point in the LL band and child subband, respectively.\n    var isZeroRes = resolution.resLevel === 0;\n    var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1));\n    var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1));\n    var numprecinctswide =\n      resolution.trx1 > resolution.trx0\n        ? Math.ceil(resolution.trx1 / precinctWidth) -\n          Math.floor(resolution.trx0 / precinctWidth)\n        : 0;\n    var numprecinctshigh =\n      resolution.try1 > resolution.try0\n        ? Math.ceil(resolution.try1 / precinctHeight) -\n          Math.floor(resolution.try0 / precinctHeight)\n        : 0;\n    var numprecincts = numprecinctswide * numprecinctshigh;\n\n    resolution.precinctParameters = {\n      precinctWidth,\n      precinctHeight,\n      numprecinctswide,\n      numprecinctshigh,\n      numprecincts,\n      precinctWidthInSubband,\n      precinctHeightInSubband,\n    };\n  }\n  function buildCodeblocks(context, subband, dimensions) {\n    // Section B.7 Division sub-band into code-blocks\n    var xcb_ = dimensions.xcb_;\n    var ycb_ = dimensions.ycb_;\n    var codeblockWidth = 1 << xcb_;\n    var codeblockHeight = 1 << ycb_;\n    var cbx0 = subband.tbx0 >> xcb_;\n    var cby0 = subband.tby0 >> ycb_;\n    var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_;\n    var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_;\n    var precinctParameters = subband.resolution.precinctParameters;\n    var codeblocks = [];\n    var precincts = [];\n    var i, j, codeblock, precinctNumber;\n    for (j = cby0; j < cby1; j++) {\n      for (i = cbx0; i < cbx1; i++) {\n        codeblock = {\n          cbx: i,\n          cby: j,\n          tbx0: codeblockWidth * i,\n          tby0: codeblockHeight * j,\n          tbx1: codeblockWidth * (i + 1),\n          tby1: codeblockHeight * (j + 1),\n        };\n\n        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);\n        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);\n        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);\n        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);\n\n        // Calculate precinct number for this codeblock, codeblock position\n        // should be relative to its subband, use actual dimension and position\n        // See comment about codeblock group width and height\n        var pi = Math.floor(\n          (codeblock.tbx0_ - subband.tbx0) /\n            precinctParameters.precinctWidthInSubband\n        );\n        var pj = Math.floor(\n          (codeblock.tby0_ - subband.tby0) /\n            precinctParameters.precinctHeightInSubband\n        );\n        precinctNumber = pi + pj * precinctParameters.numprecinctswide;\n\n        codeblock.precinctNumber = precinctNumber;\n        codeblock.subbandType = subband.type;\n        codeblock.Lblock = 3;\n\n        if (\n          codeblock.tbx1_ <= codeblock.tbx0_ ||\n          codeblock.tby1_ <= codeblock.tby0_\n        ) {\n          continue;\n        }\n        codeblocks.push(codeblock);\n        // building precinct for the sub-band\n        var precinct = precincts[precinctNumber];\n        if (precinct !== undefined) {\n          if (i < precinct.cbxMin) {\n            precinct.cbxMin = i;\n          } else if (i > precinct.cbxMax) {\n            precinct.cbxMax = i;\n          }\n          if (j < precinct.cbyMin) {\n            precinct.cbxMin = j;\n          } else if (j > precinct.cbyMax) {\n            precinct.cbyMax = j;\n          }\n        } else {\n          precincts[precinctNumber] = precinct = {\n            cbxMin: i,\n            cbyMin: j,\n            cbxMax: i,\n            cbyMax: j,\n          };\n        }\n        codeblock.precinct = precinct;\n      }\n    }\n    subband.codeblockParameters = {\n      codeblockWidth: xcb_,\n      codeblockHeight: ycb_,\n      numcodeblockwide: cbx1 - cbx0 + 1,\n      numcodeblockhigh: cby1 - cby0 + 1,\n    };\n    subband.codeblocks = codeblocks;\n    subband.precincts = precincts;\n  }\n  function createPacket(resolution, precinctNumber, layerNumber) {\n    var precinctCodeblocks = [];\n    // Section B.10.8 Order of info in packet\n    var subbands = resolution.subbands;\n    // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence\n    for (var i = 0, ii = subbands.length; i < ii; i++) {\n      var subband = subbands[i];\n      var codeblocks = subband.codeblocks;\n      for (var j = 0, jj = codeblocks.length; j < jj; j++) {\n        var codeblock = codeblocks[j];\n        if (codeblock.precinctNumber !== precinctNumber) {\n          continue;\n        }\n        precinctCodeblocks.push(codeblock);\n      }\n    }\n    return {\n      layerNumber,\n      codeblocks: precinctCodeblocks,\n    };\n  }\n  function LayerResolutionComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var l = 0,\n      r = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.1 Layer-resolution-component-position\n      for (; l < layersCount; l++) {\n        for (; r <= maxDecompositionLevelsCount; r++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        r = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionLayerComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var r = 0,\n      l = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.2 Resolution-layer-component-position\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; l < layersCount; l++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        l = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionPositionComponentLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var l, r, c, p;\n    var maxDecompositionLevelsCount = 0;\n    for (c = 0; c < componentsCount; c++) {\n      const component = tile.components[c];\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        component.codingStyleParameters.decompositionLevelsCount\n      );\n    }\n    var maxNumPrecinctsInLevel = new Int32Array(\n      maxDecompositionLevelsCount + 1\n    );\n    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {\n      var maxNumPrecincts = 0;\n      for (c = 0; c < componentsCount; ++c) {\n        var resolutions = tile.components[c].resolutions;\n        if (r < resolutions.length) {\n          maxNumPrecincts = Math.max(\n            maxNumPrecincts,\n            resolutions[r].precinctParameters.numprecincts\n          );\n        }\n      }\n      maxNumPrecinctsInLevel[r] = maxNumPrecincts;\n    }\n    l = 0;\n    r = 0;\n    c = 0;\n    p = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.3 Resolution-position-component-layer\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; p < maxNumPrecinctsInLevel[r]; p++) {\n          for (; c < componentsCount; c++) {\n            const component = tile.components[c];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            if (p >= numprecincts) {\n              continue;\n            }\n            for (; l < layersCount; ) {\n              var packet = createPacket(resolution, p, l);\n              l++;\n              return packet;\n            }\n            l = 0;\n          }\n          c = 0;\n        }\n        p = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function PositionComponentResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var precinctsIterationSizes = precinctsSizes;\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.4 Position-component-resolution-layer\n      for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n        for (; px < precinctsIterationSizes.maxNumWide; px++) {\n          for (; c < componentsCount; c++) {\n            var component = tile.components[c];\n            var decompositionLevelsCount =\n              component.codingStyleParameters.decompositionLevelsCount;\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale =\n                precinctsSizes.components[c].resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          c = 0;\n        }\n        px = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ComponentPositionResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.5 Component-position-resolution-layer\n      for (; c < componentsCount; ++c) {\n        var component = tile.components[c];\n        var precinctsIterationSizes = precinctsSizes.components[c];\n        var decompositionLevelsCount =\n          component.codingStyleParameters.decompositionLevelsCount;\n        for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n          for (; px < precinctsIterationSizes.maxNumWide; px++) {\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale = precinctsIterationSizes.resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          px = 0;\n        }\n        py = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function getPrecinctIndexIfExist(\n    pxIndex,\n    pyIndex,\n    sizeInImageScale,\n    precinctIterationSizes,\n    resolution\n  ) {\n    var posX = pxIndex * precinctIterationSizes.minWidth;\n    var posY = pyIndex * precinctIterationSizes.minHeight;\n    if (\n      posX % sizeInImageScale.width !== 0 ||\n      posY % sizeInImageScale.height !== 0\n    ) {\n      return null;\n    }\n    var startPrecinctRowIndex =\n      (posY / sizeInImageScale.width) *\n      resolution.precinctParameters.numprecinctswide;\n    return posX / sizeInImageScale.height + startPrecinctRowIndex;\n  }\n  function getPrecinctSizesInImageScale(tile) {\n    var componentsCount = tile.components.length;\n    var minWidth = Number.MAX_VALUE;\n    var minHeight = Number.MAX_VALUE;\n    var maxNumWide = 0;\n    var maxNumHigh = 0;\n    var sizePerComponent = new Array(componentsCount);\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      var sizePerResolution = new Array(decompositionLevelsCount + 1);\n      var minWidthCurrentComponent = Number.MAX_VALUE;\n      var minHeightCurrentComponent = Number.MAX_VALUE;\n      var maxNumWideCurrentComponent = 0;\n      var maxNumHighCurrentComponent = 0;\n      var scale = 1;\n      for (var r = decompositionLevelsCount; r >= 0; --r) {\n        var resolution = component.resolutions[r];\n        var widthCurrentResolution =\n          scale * resolution.precinctParameters.precinctWidth;\n        var heightCurrentResolution =\n          scale * resolution.precinctParameters.precinctHeight;\n        minWidthCurrentComponent = Math.min(\n          minWidthCurrentComponent,\n          widthCurrentResolution\n        );\n        minHeightCurrentComponent = Math.min(\n          minHeightCurrentComponent,\n          heightCurrentResolution\n        );\n        maxNumWideCurrentComponent = Math.max(\n          maxNumWideCurrentComponent,\n          resolution.precinctParameters.numprecinctswide\n        );\n        maxNumHighCurrentComponent = Math.max(\n          maxNumHighCurrentComponent,\n          resolution.precinctParameters.numprecinctshigh\n        );\n        sizePerResolution[r] = {\n          width: widthCurrentResolution,\n          height: heightCurrentResolution,\n        };\n        scale <<= 1;\n      }\n      minWidth = Math.min(minWidth, minWidthCurrentComponent);\n      minHeight = Math.min(minHeight, minHeightCurrentComponent);\n      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);\n      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);\n      sizePerComponent[c] = {\n        resolutions: sizePerResolution,\n        minWidth: minWidthCurrentComponent,\n        minHeight: minHeightCurrentComponent,\n        maxNumWide: maxNumWideCurrentComponent,\n        maxNumHigh: maxNumHighCurrentComponent,\n      };\n    }\n    return {\n      components: sizePerComponent,\n      minWidth,\n      minHeight,\n      maxNumWide,\n      maxNumHigh,\n    };\n  }\n  function buildPackets(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var componentsCount = siz.Csiz;\n    // Creating resolutions and sub-bands for each component\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      // Section B.5 Resolution levels and sub-bands\n      var resolutions = [];\n      var subbands = [];\n      for (var r = 0; r <= decompositionLevelsCount; r++) {\n        var blocksDimensions = getBlocksDimensions(context, component, r);\n        var resolution = {};\n        var scale = 1 << (decompositionLevelsCount - r);\n        resolution.trx0 = Math.ceil(component.tcx0 / scale);\n        resolution.try0 = Math.ceil(component.tcy0 / scale);\n        resolution.trx1 = Math.ceil(component.tcx1 / scale);\n        resolution.try1 = Math.ceil(component.tcy1 / scale);\n        resolution.resLevel = r;\n        buildPrecincts(context, resolution, blocksDimensions);\n        resolutions.push(resolution);\n\n        var subband;\n        if (r === 0) {\n          // one sub-band (LL) with last decomposition\n          subband = {};\n          subband.type = \"LL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / scale);\n          subband.tby0 = Math.ceil(component.tcy0 / scale);\n          subband.tbx1 = Math.ceil(component.tcx1 / scale);\n          subband.tby1 = Math.ceil(component.tcy1 / scale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolution.subbands = [subband];\n        } else {\n          var bscale = 1 << (decompositionLevelsCount - r + 1);\n          var resolutionSubbands = [];\n          // three sub-bands (HL, LH and HH) with rest of decompositions\n          subband = {};\n          subband.type = \"HL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"LH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"HH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          resolution.subbands = resolutionSubbands;\n        }\n      }\n      component.resolutions = resolutions;\n      component.subbands = subbands;\n    }\n    // Generate the packets sequence\n    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;\n    switch (progressionOrder) {\n      case 0:\n        tile.packetsIterator = new LayerResolutionComponentPositionIterator(\n          context\n        );\n        break;\n      case 1:\n        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(\n          context\n        );\n        break;\n      case 2:\n        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(\n          context\n        );\n        break;\n      case 3:\n        tile.packetsIterator = new PositionComponentResolutionLayerIterator(\n          context\n        );\n        break;\n      case 4:\n        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(\n          context\n        );\n        break;\n      default:\n        throw new JpxError(`Unsupported progression order ${progressionOrder}`);\n    }\n  }\n  function parseTilePackets(context, data, offset, dataLength) {\n    var position = 0;\n    var buffer,\n      bufferSize = 0,\n      skipNextBit = false;\n    function readBits(count) {\n      while (bufferSize < count) {\n        var b = data[offset + position];\n        position++;\n        if (skipNextBit) {\n          buffer = (buffer << 7) | b;\n          bufferSize += 7;\n          skipNextBit = false;\n        } else {\n          buffer = (buffer << 8) | b;\n          bufferSize += 8;\n        }\n        if (b === 0xff) {\n          skipNextBit = true;\n        }\n      }\n      bufferSize -= count;\n      return (buffer >>> bufferSize) & ((1 << count) - 1);\n    }\n    function skipMarkerIfEqual(value) {\n      if (\n        data[offset + position - 1] === 0xff &&\n        data[offset + position] === value\n      ) {\n        skipBytes(1);\n        return true;\n      } else if (\n        data[offset + position] === 0xff &&\n        data[offset + position + 1] === value\n      ) {\n        skipBytes(2);\n        return true;\n      }\n      return false;\n    }\n    function skipBytes(count) {\n      position += count;\n    }\n    function alignToByte() {\n      bufferSize = 0;\n      if (skipNextBit) {\n        position++;\n        skipNextBit = false;\n      }\n    }\n    function readCodingpasses() {\n      if (readBits(1) === 0) {\n        return 1;\n      }\n      if (readBits(1) === 0) {\n        return 2;\n      }\n      var value = readBits(2);\n      if (value < 3) {\n        return value + 3;\n      }\n      value = readBits(5);\n      if (value < 31) {\n        return value + 6;\n      }\n      value = readBits(7);\n      return value + 37;\n    }\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var sopMarkerUsed = context.COD.sopMarkerUsed;\n    var ephMarkerUsed = context.COD.ephMarkerUsed;\n    var packetsIterator = tile.packetsIterator;\n    while (position < dataLength) {\n      alignToByte();\n      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {\n        // Skip also marker segment length and packet sequence ID\n        skipBytes(4);\n      }\n      var packet = packetsIterator.nextPacket();\n      if (!readBits(1)) {\n        continue;\n      }\n      var layerNumber = packet.layerNumber;\n      var queue = [],\n        codeblock;\n      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {\n        codeblock = packet.codeblocks[i];\n        var precinct = codeblock.precinct;\n        var codeblockColumn = codeblock.cbx - precinct.cbxMin;\n        var codeblockRow = codeblock.cby - precinct.cbyMin;\n        var codeblockIncluded = false;\n        var firstTimeInclusion = false;\n        var valueReady;\n        if (codeblock.included !== undefined) {\n          codeblockIncluded = !!readBits(1);\n        } else {\n          // reading inclusion tree\n          precinct = codeblock.precinct;\n          var inclusionTree, zeroBitPlanesTree;\n          if (precinct.inclusionTree !== undefined) {\n            inclusionTree = precinct.inclusionTree;\n          } else {\n            // building inclusion and zero bit-planes trees\n            var width = precinct.cbxMax - precinct.cbxMin + 1;\n            var height = precinct.cbyMax - precinct.cbyMin + 1;\n            inclusionTree = new InclusionTree(width, height, layerNumber);\n            zeroBitPlanesTree = new TagTree(width, height);\n            precinct.inclusionTree = inclusionTree;\n            precinct.zeroBitPlanesTree = zeroBitPlanesTree;\n          }\n\n          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {\n            while (true) {\n              if (readBits(1)) {\n                valueReady = !inclusionTree.nextLevel();\n                if (valueReady) {\n                  codeblock.included = true;\n                  codeblockIncluded = firstTimeInclusion = true;\n                  break;\n                }\n              } else {\n                inclusionTree.incrementValue(layerNumber);\n                break;\n              }\n            }\n          }\n        }\n        if (!codeblockIncluded) {\n          continue;\n        }\n        if (firstTimeInclusion) {\n          zeroBitPlanesTree = precinct.zeroBitPlanesTree;\n          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);\n          while (true) {\n            if (readBits(1)) {\n              valueReady = !zeroBitPlanesTree.nextLevel();\n              if (valueReady) {\n                break;\n              }\n            } else {\n              zeroBitPlanesTree.incrementValue();\n            }\n          }\n          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;\n        }\n        var codingpasses = readCodingpasses();\n        while (readBits(1)) {\n          codeblock.Lblock++;\n        }\n        var codingpassesLog2 = log2(codingpasses);\n        // rounding down log2\n        var bits =\n          (codingpasses < 1 << codingpassesLog2\n            ? codingpassesLog2 - 1\n            : codingpassesLog2) + codeblock.Lblock;\n        var codedDataLength = readBits(bits);\n        queue.push({\n          codeblock,\n          codingpasses,\n          dataLength: codedDataLength,\n        });\n      }\n      alignToByte();\n      if (ephMarkerUsed) {\n        skipMarkerIfEqual(0x92);\n      }\n      while (queue.length > 0) {\n        var packetItem = queue.shift();\n        codeblock = packetItem.codeblock;\n        if (codeblock.data === undefined) {\n          codeblock.data = [];\n        }\n        codeblock.data.push({\n          data,\n          start: offset + position,\n          end: offset + position + packetItem.dataLength,\n          codingpasses: packetItem.codingpasses,\n        });\n        position += packetItem.dataLength;\n      }\n    }\n    return position;\n  }\n  function copyCoefficients(\n    coefficients,\n    levelWidth,\n    levelHeight,\n    subband,\n    delta,\n    mb,\n    reversible,\n    segmentationSymbolUsed\n  ) {\n    var x0 = subband.tbx0;\n    var y0 = subband.tby0;\n    var width = subband.tbx1 - subband.tbx0;\n    var codeblocks = subband.codeblocks;\n    var right = subband.type.charAt(0) === \"H\" ? 1 : 0;\n    var bottom = subband.type.charAt(1) === \"H\" ? levelWidth : 0;\n\n    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {\n      var codeblock = codeblocks[i];\n      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;\n      var blockHeight = codeblock.tby1_ - codeblock.tby0_;\n      if (blockWidth === 0 || blockHeight === 0) {\n        continue;\n      }\n      if (codeblock.data === undefined) {\n        continue;\n      }\n\n      var bitModel, currentCodingpassType;\n      bitModel = new BitModel(\n        blockWidth,\n        blockHeight,\n        codeblock.subbandType,\n        codeblock.zeroBitPlanes,\n        mb\n      );\n      currentCodingpassType = 2; // first bit plane starts from cleanup\n\n      // collect data\n      var data = codeblock.data,\n        totalLength = 0,\n        codingpasses = 0;\n      var j, jj, dataItem;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        totalLength += dataItem.end - dataItem.start;\n        codingpasses += dataItem.codingpasses;\n      }\n      var encodedData = new Uint8Array(totalLength);\n      var position = 0;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);\n        encodedData.set(chunk, position);\n        position += chunk.length;\n      }\n      // decoding the item\n      var decoder = new ArithmeticDecoder(encodedData, 0, totalLength);\n      bitModel.setDecoder(decoder);\n\n      for (j = 0; j < codingpasses; j++) {\n        switch (currentCodingpassType) {\n          case 0:\n            bitModel.runSignificancePropagationPass();\n            break;\n          case 1:\n            bitModel.runMagnitudeRefinementPass();\n            break;\n          case 2:\n            bitModel.runCleanupPass();\n            if (segmentationSymbolUsed) {\n              bitModel.checkSegmentationSymbol();\n            }\n            break;\n        }\n        currentCodingpassType = (currentCodingpassType + 1) % 3;\n      }\n\n      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;\n      var sign = bitModel.coefficentsSign;\n      var magnitude = bitModel.coefficentsMagnitude;\n      var bitsDecoded = bitModel.bitsDecoded;\n      var magnitudeCorrection = reversible ? 0 : 0.5;\n      var k, n, nb;\n      position = 0;\n      // Do the interleaving of Section F.3.3 here, so we do not need\n      // to copy later. LL level is not interleaved, just copied.\n      var interleave = subband.type !== \"LL\";\n      for (j = 0; j < blockHeight; j++) {\n        var row = (offset / width) | 0; // row in the non-interleaved subband\n        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;\n        for (k = 0; k < blockWidth; k++) {\n          n = magnitude[position];\n          if (n !== 0) {\n            n = (n + magnitudeCorrection) * delta;\n            if (sign[position] !== 0) {\n              n = -n;\n            }\n            nb = bitsDecoded[position];\n            var pos = interleave ? levelOffset + (offset << 1) : offset;\n            if (reversible && nb >= mb) {\n              coefficients[pos] = n;\n            } else {\n              coefficients[pos] = n * (1 << (mb - nb));\n            }\n          }\n          offset++;\n          position++;\n        }\n        offset += width - blockWidth;\n      }\n    }\n  }\n  function transformTile(context, tile, c) {\n    var component = tile.components[c];\n    var codingStyleParameters = component.codingStyleParameters;\n    var quantizationParameters = component.quantizationParameters;\n    var decompositionLevelsCount =\n      codingStyleParameters.decompositionLevelsCount;\n    var spqcds = quantizationParameters.SPqcds;\n    var scalarExpounded = quantizationParameters.scalarExpounded;\n    var guardBits = quantizationParameters.guardBits;\n    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;\n    var precision = context.components[c].precision;\n\n    var reversible = codingStyleParameters.reversibleTransformation;\n    var transform = reversible\n      ? new ReversibleTransform()\n      : new IrreversibleTransform();\n\n    var subbandCoefficients = [];\n    var b = 0;\n    for (var i = 0; i <= decompositionLevelsCount; i++) {\n      var resolution = component.resolutions[i];\n\n      var width = resolution.trx1 - resolution.trx0;\n      var height = resolution.try1 - resolution.try0;\n      // Allocate space for the whole sublevel.\n      var coefficients = new Float32Array(width * height);\n\n      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {\n        var mu, epsilon;\n        if (!scalarExpounded) {\n          // formula E-5\n          mu = spqcds[0].mu;\n          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);\n        } else {\n          mu = spqcds[b].mu;\n          epsilon = spqcds[b].epsilon;\n          b++;\n        }\n\n        var subband = resolution.subbands[j];\n        var gainLog2 = SubbandsGainLog2[subband.type];\n\n        // calculate quantization coefficient (Section E.1.1.1)\n        var delta = reversible\n          ? 1\n          : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);\n        var mb = guardBits + epsilon - 1;\n\n        // In the first resolution level, copyCoefficients will fill the\n        // whole array with coefficients. In the succeeding passes,\n        // copyCoefficients will consecutively fill in the values that belong\n        // to the interleaved positions of the HL, LH, and HH coefficients.\n        // The LL coefficients will then be interleaved in Transform.iterate().\n        copyCoefficients(\n          coefficients,\n          width,\n          height,\n          subband,\n          delta,\n          mb,\n          reversible,\n          segmentationSymbolUsed\n        );\n      }\n      subbandCoefficients.push({\n        width,\n        height,\n        items: coefficients,\n      });\n    }\n\n    var result = transform.calculate(\n      subbandCoefficients,\n      component.tcx0,\n      component.tcy0\n    );\n    return {\n      left: component.tcx0,\n      top: component.tcy0,\n      width: result.width,\n      height: result.height,\n      items: result.items,\n    };\n  }\n  function transformComponents(context) {\n    var siz = context.SIZ;\n    var components = context.components;\n    var componentsCount = siz.Csiz;\n    var resultImages = [];\n    for (var i = 0, ii = context.tiles.length; i < ii; i++) {\n      var tile = context.tiles[i];\n      var transformedTiles = [];\n      var c;\n      for (c = 0; c < componentsCount; c++) {\n        transformedTiles[c] = transformTile(context, tile, c);\n      }\n      var tile0 = transformedTiles[0];\n      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);\n      var result = {\n        left: tile0.left,\n        top: tile0.top,\n        width: tile0.width,\n        height: tile0.height,\n        items: out,\n      };\n\n      // Section G.2.2 Inverse multi component transform\n      var shift, offset;\n      var pos = 0,\n        j,\n        jj,\n        y0,\n        y1,\n        y2;\n      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {\n        var fourComponents = componentsCount === 4;\n        var y0items = transformedTiles[0].items;\n        var y1items = transformedTiles[1].items;\n        var y2items = transformedTiles[2].items;\n        var y3items = fourComponents ? transformedTiles[3].items : null;\n\n        // HACK: The multiple component transform formulas below assume that\n        // all components have the same precision. With this in mind, we\n        // compute shift and offset only once.\n        shift = components[0].precision - 8;\n        offset = (128 << shift) + 0.5;\n\n        var component0 = tile.components[0];\n        var alpha01 = componentsCount - 3;\n        jj = y0items.length;\n        if (!component0.codingStyleParameters.reversibleTransformation) {\n          // inverse irreversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            out[pos++] = (y0 + 1.402 * y2) >> shift;\n            out[pos++] = (y0 - 0.34413 * y1 - 0.71414 * y2) >> shift;\n            out[pos++] = (y0 + 1.772 * y1) >> shift;\n          }\n        } else {\n          // inverse reversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            const g = y0 - ((y2 + y1) >> 2);\n\n            out[pos++] = (g + y2) >> shift;\n            out[pos++] = g >> shift;\n            out[pos++] = (g + y1) >> shift;\n          }\n        }\n        if (fourComponents) {\n          for (j = 0, pos = 3; j < jj; j++, pos += 4) {\n            out[pos] = (y3items[j] + offset) >> shift;\n          }\n        }\n      } else {\n        // no multi-component transform\n        for (c = 0; c < componentsCount; c++) {\n          var items = transformedTiles[c].items;\n          shift = components[c].precision - 8;\n          offset = (128 << shift) + 0.5;\n          for (pos = c, j = 0, jj = items.length; j < jj; j++) {\n            out[pos] = (items[j] + offset) >> shift;\n            pos += componentsCount;\n          }\n        }\n      }\n      resultImages.push(result);\n    }\n    return resultImages;\n  }\n  function initializeTile(context, tileIndex) {\n    var siz = context.SIZ;\n    var componentsCount = siz.Csiz;\n    var tile = context.tiles[tileIndex];\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var qcdOrQcc =\n        context.currentTile.QCC[c] !== undefined\n          ? context.currentTile.QCC[c]\n          : context.currentTile.QCD;\n      component.quantizationParameters = qcdOrQcc;\n      var codOrCoc =\n        context.currentTile.COC[c] !== undefined\n          ? context.currentTile.COC[c]\n          : context.currentTile.COD;\n      component.codingStyleParameters = codOrCoc;\n    }\n    tile.codingStyleDefaultParameters = context.currentTile.COD;\n  }\n\n  // Section B.10.2 Tag trees\n  var TagTree = (function TagTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function TagTree(width, height) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var level = {\n          width,\n          height,\n          items: [],\n        };\n        this.levels.push(level);\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    TagTree.prototype = {\n      reset: function TagTree_reset(i, j) {\n        var currentLevel = 0,\n          value = 0,\n          level;\n        while (currentLevel < this.levels.length) {\n          level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          if (level.items[index] !== undefined) {\n            value = level.items[index];\n            break;\n          }\n          level.index = index;\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        currentLevel--;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        this.currentLevel = currentLevel;\n        delete this.value;\n      },\n      incrementValue: function TagTree_incrementValue() {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index]++;\n      },\n      nextLevel: function TagTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        currentLevel--;\n        if (currentLevel < 0) {\n          this.value = value;\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return TagTree;\n  })();\n\n  var InclusionTree = (function InclusionTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function InclusionTree(width, height, defaultValue) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var items = new Uint8Array(width * height);\n        for (var j = 0, jj = items.length; j < jj; j++) {\n          items[j] = defaultValue;\n        }\n\n        var level = {\n          width,\n          height,\n          items,\n        };\n        this.levels.push(level);\n\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    InclusionTree.prototype = {\n      reset: function InclusionTree_reset(i, j, stopValue) {\n        var currentLevel = 0;\n        while (currentLevel < this.levels.length) {\n          var level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          level.index = index;\n          var value = level.items[index];\n\n          if (value === 0xff) {\n            break;\n          }\n\n          if (value > stopValue) {\n            this.currentLevel = currentLevel;\n            // already know about this one, propagating the value to top levels\n            this.propagateValues();\n            return false;\n          }\n\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        this.currentLevel = currentLevel - 1;\n        return true;\n      },\n      incrementValue: function InclusionTree_incrementValue(stopValue) {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index] = stopValue + 1;\n        this.propagateValues();\n      },\n      propagateValues: function InclusionTree_propagateValues() {\n        var levelIndex = this.currentLevel;\n        var level = this.levels[levelIndex];\n        var currentValue = level.items[level.index];\n        while (--levelIndex >= 0) {\n          level = this.levels[levelIndex];\n          level.items[level.index] = currentValue;\n        }\n      },\n      nextLevel: function InclusionTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        level.items[level.index] = 0xff;\n        currentLevel--;\n        if (currentLevel < 0) {\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return InclusionTree;\n  })();\n\n  // Section D. Coefficient bit modeling\n  var BitModel = (function BitModelClosure() {\n    var UNIFORM_CONTEXT = 17;\n    var RUNLENGTH_CONTEXT = 18;\n    // Table D-1\n    // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4),\n    // vv - sum of Vi (0..2), and hh - sum of Hi (0..2)\n    // prettier-ignore\n    var LLAndLHContextsLabel = new Uint8Array([\n      0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4,\n      7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6,\n      8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8\n    ]);\n    // prettier-ignore\n    var HLContextLabel = new Uint8Array([\n      0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8,\n      8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3,\n      4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8\n    ]);\n    // prettier-ignore\n    var HHContextLabel = new Uint8Array([\n      0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5,\n      5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8,\n      8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8\n    ]);\n\n    // eslint-disable-next-line no-shadow\n    function BitModel(width, height, subband, zeroBitPlanes, mb) {\n      this.width = width;\n      this.height = height;\n\n      let contextLabelTable;\n      if (subband === \"HH\") {\n        contextLabelTable = HHContextLabel;\n      } else if (subband === \"HL\") {\n        contextLabelTable = HLContextLabel;\n      } else {\n        contextLabelTable = LLAndLHContextsLabel;\n      }\n      this.contextLabelTable = contextLabelTable;\n\n      var coefficientCount = width * height;\n\n      // coefficients outside the encoding region treated as insignificant\n      // add border state cells for significanceState\n      this.neighborsSignificance = new Uint8Array(coefficientCount);\n      this.coefficentsSign = new Uint8Array(coefficientCount);\n      let coefficentsMagnitude;\n      if (mb > 14) {\n        coefficentsMagnitude = new Uint32Array(coefficientCount);\n      } else if (mb > 6) {\n        coefficentsMagnitude = new Uint16Array(coefficientCount);\n      } else {\n        coefficentsMagnitude = new Uint8Array(coefficientCount);\n      }\n      this.coefficentsMagnitude = coefficentsMagnitude;\n      this.processingFlags = new Uint8Array(coefficientCount);\n\n      var bitsDecoded = new Uint8Array(coefficientCount);\n      if (zeroBitPlanes !== 0) {\n        for (var i = 0; i < coefficientCount; i++) {\n          bitsDecoded[i] = zeroBitPlanes;\n        }\n      }\n      this.bitsDecoded = bitsDecoded;\n\n      this.reset();\n    }\n\n    BitModel.prototype = {\n      setDecoder: function BitModel_setDecoder(decoder) {\n        this.decoder = decoder;\n      },\n      reset: function BitModel_reset() {\n        // We have 17 contexts that are accessed via context labels,\n        // plus the uniform and runlength context.\n        this.contexts = new Int8Array(19);\n\n        // Contexts are packed into 1 byte:\n        // highest 7 bits carry the index, lowest bit carries mps\n        this.contexts[0] = (4 << 1) | 0;\n        this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0;\n        this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0;\n      },\n      setNeighborsSignificance: function BitModel_setNeighborsSignificance(\n        row,\n        column,\n        index\n      ) {\n        var neighborsSignificance = this.neighborsSignificance;\n        var width = this.width,\n          height = this.height;\n        var left = column > 0;\n        var right = column + 1 < width;\n        var i;\n\n        if (row > 0) {\n          i = index - width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (row + 1 < height) {\n          i = index + width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (left) {\n          neighborsSignificance[index - 1] += 0x01;\n        }\n        if (right) {\n          neighborsSignificance[index + 1] += 0x01;\n        }\n        neighborsSignificance[index] |= 0x80;\n      },\n      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var neighborsSignificance = this.neighborsSignificance;\n        var processingFlags = this.processingFlags;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processedInverseMask = ~1;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n\n        for (var i0 = 0; i0 < height; i0 += 4) {\n          for (var j = 0; j < width; j++) {\n            var index = i0 * width + j;\n            for (var i1 = 0; i1 < 4; i1++, index += width) {\n              var i = i0 + i1;\n              if (i >= height) {\n                break;\n              }\n              // clear processed flag first\n              processingFlags[index] &= processedInverseMask;\n\n              if (\n                coefficentsMagnitude[index] ||\n                !neighborsSignificance[index]\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision) {\n                var sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contribution, sign0, sign1, significance1;\n        var contextLabel, decoded;\n\n        // calculate horizontal contribution\n        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;\n        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {\n          sign1 = coefficentsSign[index + 1];\n          if (significance1) {\n            sign0 = coefficentsSign[index - 1];\n            contribution = 1 - sign1 - sign0;\n          } else {\n            contribution = 1 - sign1 - sign1;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - 1];\n          contribution = 1 - sign0 - sign0;\n        } else {\n          contribution = 0;\n        }\n        var horizontalContribution = 3 * contribution;\n\n        // calculate vertical contribution and combine with the horizontal\n        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;\n        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {\n          sign1 = coefficentsSign[index + width];\n          if (significance1) {\n            sign0 = coefficentsSign[index - width];\n            contribution = 1 - sign1 - sign0 + horizontalContribution;\n          } else {\n            contribution = 1 - sign1 - sign1 + horizontalContribution;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - width];\n          contribution = 1 - sign0 - sign0 + horizontalContribution;\n        } else {\n          contribution = horizontalContribution;\n        }\n\n        if (contribution >= 0) {\n          contextLabel = 9 + contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel);\n        } else {\n          contextLabel = 9 - contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;\n        }\n        return decoded;\n      },\n      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var neighborsSignificance = this.neighborsSignificance;\n        var contexts = this.contexts;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var length = width * height;\n        var width4 = width * 4;\n\n        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {\n          indexNext = Math.min(length, index0 + width4);\n          for (var j = 0; j < width; j++) {\n            for (var index = index0 + j; index < indexNext; index += width) {\n              // significant but not those that have just become\n              if (\n                !coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = 16;\n              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {\n                processingFlags[index] ^= firstMagnitudeBitMask;\n                // first refinement\n                var significance = neighborsSignificance[index] & 127;\n                contextLabel = significance === 0 ? 15 : 14;\n              }\n\n              var bit = decoder.readBit(contexts, contextLabel);\n              coefficentsMagnitude[index] =\n                (coefficentsMagnitude[index] << 1) | bit;\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      runCleanupPass: function BitModel_runCleanupPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var neighborsSignificance = this.neighborsSignificance;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var oneRowDown = width;\n        var twoRowsDown = width * 2;\n        var threeRowsDown = width * 3;\n        var iNext;\n        for (var i0 = 0; i0 < height; i0 = iNext) {\n          iNext = Math.min(i0 + 4, height);\n          var indexBase = i0 * width;\n          var checkAllEmpty = i0 + 3 < height;\n          for (var j = 0; j < width; j++) {\n            var index0 = indexBase + j;\n            // using the property: labels[neighborsSignificance[index]] === 0\n            // when neighborsSignificance[index] === 0\n            var allEmpty =\n              checkAllEmpty &&\n              processingFlags[index0] === 0 &&\n              processingFlags[index0 + oneRowDown] === 0 &&\n              processingFlags[index0 + twoRowsDown] === 0 &&\n              processingFlags[index0 + threeRowsDown] === 0 &&\n              neighborsSignificance[index0] === 0 &&\n              neighborsSignificance[index0 + oneRowDown] === 0 &&\n              neighborsSignificance[index0 + twoRowsDown] === 0 &&\n              neighborsSignificance[index0 + threeRowsDown] === 0;\n            var i1 = 0,\n              index = index0;\n            var i = i0,\n              sign;\n            if (allEmpty) {\n              var hasSignificantCoefficent = decoder.readBit(\n                contexts,\n                RUNLENGTH_CONTEXT\n              );\n              if (!hasSignificantCoefficent) {\n                bitsDecoded[index0]++;\n                bitsDecoded[index0 + oneRowDown]++;\n                bitsDecoded[index0 + twoRowsDown]++;\n                bitsDecoded[index0 + threeRowsDown]++;\n                continue; // next column\n              }\n              i1 =\n                (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n                decoder.readBit(contexts, UNIFORM_CONTEXT);\n              if (i1 !== 0) {\n                i = i0 + i1;\n                index += i1 * width;\n              }\n\n              sign = this.decodeSignBit(i, j, index);\n              coefficentsSign[index] = sign;\n              coefficentsMagnitude[index] = 1;\n              this.setNeighborsSignificance(i, j, index);\n              processingFlags[index] |= firstMagnitudeBitMask;\n\n              index = index0;\n              for (var i2 = i0; i2 <= i; i2++, index += width) {\n                bitsDecoded[index]++;\n              }\n\n              i1++;\n            }\n            for (i = i0 + i1; i < iNext; i++, index += width) {\n              if (\n                coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision === 1) {\n                sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n            }\n          }\n        }\n      },\n      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {\n        var decoder = this.decoder;\n        var contexts = this.contexts;\n        var symbol =\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n          decoder.readBit(contexts, UNIFORM_CONTEXT);\n        if (symbol !== 0xa) {\n          throw new JpxError(\"Invalid segmentation symbol\");\n        }\n      },\n    };\n\n    return BitModel;\n  })();\n\n  // Section F, Discrete wavelet transformation\n  var Transform = (function TransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function Transform() {}\n\n    Transform.prototype.calculate = function transformCalculate(\n      subbands,\n      u0,\n      v0\n    ) {\n      var ll = subbands[0];\n      for (var i = 1, ii = subbands.length; i < ii; i++) {\n        ll = this.iterate(ll, subbands[i], u0, v0);\n      }\n      return ll;\n    };\n    Transform.prototype.extend = function extend(buffer, offset, size) {\n      // Section F.3.7 extending... using max extension of 4\n      var i1 = offset - 1,\n        j1 = offset + 1;\n      var i2 = offset + size - 2,\n        j2 = offset + size;\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1] = buffer[j1];\n      buffer[j2] = buffer[i2];\n    };\n    Transform.prototype.iterate = function Transform_iterate(\n      ll,\n      hl_lh_hh,\n      u0,\n      v0\n    ) {\n      var llWidth = ll.width,\n        llHeight = ll.height,\n        llItems = ll.items;\n      var width = hl_lh_hh.width;\n      var height = hl_lh_hh.height;\n      var items = hl_lh_hh.items;\n      var i, j, k, l, u, v;\n\n      // Interleave LL according to Section F.3.3\n      for (k = 0, i = 0; i < llHeight; i++) {\n        l = i * 2 * width;\n        for (j = 0; j < llWidth; j++, k++, l += 2) {\n          items[l] = llItems[k];\n        }\n      }\n      // The LL band is not needed anymore.\n      llItems = ll.items = null;\n\n      var bufferPadding = 4;\n      var rowBuffer = new Float32Array(width + 2 * bufferPadding);\n\n      // Section F.3.4 HOR_SR\n      if (width === 1) {\n        // if width = 1, when u0 even keep items as is, when odd divide by 2\n        if ((u0 & 1) !== 0) {\n          for (v = 0, k = 0; v < height; v++, k += width) {\n            items[k] *= 0.5;\n          }\n        }\n      } else {\n        for (v = 0, k = 0; v < height; v++, k += width) {\n          rowBuffer.set(items.subarray(k, k + width), bufferPadding);\n\n          this.extend(rowBuffer, bufferPadding, width);\n          this.filter(rowBuffer, bufferPadding, width);\n\n          items.set(\n            rowBuffer.subarray(bufferPadding, bufferPadding + width),\n            k\n          );\n        }\n      }\n\n      // Accesses to the items array can take long, because it may not fit into\n      // CPU cache and has to be fetched from main memory. Since subsequent\n      // accesses to the items array are not local when reading columns, we\n      // have a cache miss every time. To reduce cache misses, get up to\n      // 'numBuffers' items at a time and store them into the individual\n      // buffers. The colBuffers should be small enough to fit into CPU cache.\n      var numBuffers = 16;\n      var colBuffers = [];\n      for (i = 0; i < numBuffers; i++) {\n        colBuffers.push(new Float32Array(height + 2 * bufferPadding));\n      }\n      var b,\n        currentBuffer = 0;\n      ll = bufferPadding + height;\n\n      // Section F.3.5 VER_SR\n      if (height === 1) {\n        // if height = 1, when v0 even keep items as is, when odd divide by 2\n        if ((v0 & 1) !== 0) {\n          for (u = 0; u < width; u++) {\n            items[u] *= 0.5;\n          }\n        }\n      } else {\n        for (u = 0; u < width; u++) {\n          // if we ran out of buffers, copy several image columns at once\n          if (currentBuffer === 0) {\n            numBuffers = Math.min(width - u, numBuffers);\n            for (k = u, l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                colBuffers[b][l] = items[k + b];\n              }\n            }\n            currentBuffer = numBuffers;\n          }\n\n          currentBuffer--;\n          var buffer = colBuffers[currentBuffer];\n          this.extend(buffer, bufferPadding, height);\n          this.filter(buffer, bufferPadding, height);\n\n          // If this is last buffer in this group of buffers, flush all buffers.\n          if (currentBuffer === 0) {\n            k = u - numBuffers + 1;\n            for (l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                items[k + b] = colBuffers[b][l];\n              }\n            }\n          }\n        }\n      }\n\n      return {\n        width,\n        height,\n        items,\n      };\n    };\n    return Transform;\n  })();\n\n  // Section 3.8.2 Irreversible 9-7 filter\n  var IrreversibleTransform = (function IrreversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function IrreversibleTransform() {\n      Transform.call(this);\n    }\n\n    IrreversibleTransform.prototype = Object.create(Transform.prototype);\n    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n, current, next;\n\n      var alpha = -1.586134342059924;\n      var beta = -0.052980118572961;\n      var gamma = 0.882911075530934;\n      var delta = 0.443506852043971;\n      var K = 1.230174104914001;\n      var K_ = 1 / K;\n\n      // step 1 is combined with step 3\n\n      // step 2\n      j = offset - 3;\n      for (n = len + 4; n--; j += 2) {\n        x[j] *= K_;\n      }\n\n      // step 1 & 3\n      j = offset - 2;\n      current = delta * x[j - 1];\n      for (n = len + 3; n--; j += 2) {\n        next = delta * x[j + 1];\n        x[j] = K * x[j] - current - next;\n        if (n--) {\n          j += 2;\n          current = delta * x[j + 1];\n          x[j] = K * x[j] - current - next;\n        } else {\n          break;\n        }\n      }\n\n      // step 4\n      j = offset - 1;\n      current = gamma * x[j - 1];\n      for (n = len + 2; n--; j += 2) {\n        next = gamma * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = gamma * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 5\n      j = offset;\n      current = beta * x[j - 1];\n      for (n = len + 1; n--; j += 2) {\n        next = beta * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = beta * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 6\n      if (len !== 0) {\n        j = offset + 1;\n        current = alpha * x[j - 1];\n        for (n = len; n--; j += 2) {\n          next = alpha * x[j + 1];\n          x[j] -= current + next;\n          if (n--) {\n            j += 2;\n            current = alpha * x[j + 1];\n            x[j] -= current + next;\n          } else {\n            break;\n          }\n        }\n      }\n    };\n\n    return IrreversibleTransform;\n  })();\n\n  // Section 3.8.1 Reversible 5-3 filter\n  var ReversibleTransform = (function ReversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function ReversibleTransform() {\n      Transform.call(this);\n    }\n\n    ReversibleTransform.prototype = Object.create(Transform.prototype);\n    ReversibleTransform.prototype.filter = function reversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n;\n\n      for (j = offset, n = len + 1; n--; j += 2) {\n        x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2;\n      }\n\n      for (j = offset + 1, n = len; n--; j += 2) {\n        x[j] += (x[j - 1] + x[j + 1]) >> 1;\n      }\n    };\n\n    return ReversibleTransform;\n  })();\n\n  return JpxImage;\n})();\n\nexport { JpxImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FormatError,\n  PasswordException,\n  PasswordResponses,\n  stringToBytes,\n  unreachable,\n  utf8StringToString,\n  warn,\n} from \"../shared/util.js\";\nimport { isDict, isName, Name } from \"./primitives.js\";\nimport { DecryptStream } from \"./stream.js\";\n\nvar ARCFourCipher = (function ARCFourCipherClosure() {\n  // eslint-disable-next-line no-shadow\n  function ARCFourCipher(key) {\n    this.a = 0;\n    this.b = 0;\n    var s = new Uint8Array(256);\n    var i,\n      j = 0,\n      tmp,\n      keyLength = key.length;\n    for (i = 0; i < 256; ++i) {\n      s[i] = i;\n    }\n    for (i = 0; i < 256; ++i) {\n      tmp = s[i];\n      j = (j + tmp + key[i % keyLength]) & 0xff;\n      s[i] = s[j];\n      s[j] = tmp;\n    }\n    this.s = s;\n  }\n\n  ARCFourCipher.prototype = {\n    encryptBlock: function ARCFourCipher_encryptBlock(data) {\n      var i,\n        n = data.length,\n        tmp,\n        tmp2;\n      var a = this.a,\n        b = this.b,\n        s = this.s;\n      var output = new Uint8Array(n);\n      for (i = 0; i < n; ++i) {\n        a = (a + 1) & 0xff;\n        tmp = s[a];\n        b = (b + tmp) & 0xff;\n        tmp2 = s[b];\n        s[a] = tmp2;\n        s[b] = tmp;\n        output[i] = data[i] ^ s[(tmp + tmp2) & 0xff];\n      }\n      this.a = a;\n      this.b = b;\n      return output;\n    },\n  };\n  ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;\n  ARCFourCipher.prototype.encrypt = ARCFourCipher.prototype.encryptBlock;\n\n  return ARCFourCipher;\n})();\n\nvar calculateMD5 = (function calculateMD5Closure() {\n  // prettier-ignore\n  var r = new Uint8Array([\n    7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,\n    5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,\n    4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,\n    6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);\n\n  // prettier-ignore\n  var k = new Int32Array([\n    -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426,\n    -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162,\n    1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632,\n    643717713, -373897302, -701558691, 38016083, -660478335, -405537848,\n    568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784,\n    1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556,\n    -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222,\n    -722521979, 76029189, -640364487, -421815835, 530742520, -995338651,\n    -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606,\n    -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649,\n    -145523070, -1120210379, 718787259, -343485551]);\n\n  function hash(data, offset, length) {\n    var h0 = 1732584193,\n      h1 = -271733879,\n      h2 = -1732584194,\n      h3 = 271733878;\n    // pre-processing\n    var paddedLength = (length + 72) & ~63; // data + 9 extra bytes\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 8;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = (length << 3) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    var w = new Int32Array(16);\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j, i += 4) {\n        w[j] =\n          padded[i] |\n          (padded[i + 1] << 8) |\n          (padded[i + 2] << 16) |\n          (padded[i + 3] << 24);\n      }\n      var a = h0,\n        b = h1,\n        c = h2,\n        d = h3,\n        f,\n        g;\n      for (j = 0; j < 64; ++j) {\n        if (j < 16) {\n          f = (b & c) | (~b & d);\n          g = j;\n        } else if (j < 32) {\n          f = (d & b) | (~d & c);\n          g = (5 * j + 1) & 15;\n        } else if (j < 48) {\n          f = b ^ c ^ d;\n          g = (3 * j + 5) & 15;\n        } else {\n          f = c ^ (b | ~d);\n          g = (7 * j) & 15;\n        }\n        var tmp = d,\n          rotateArg = (a + f + k[j] + w[g]) | 0,\n          rotate = r[j];\n        d = c;\n        c = b;\n        b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0;\n        a = tmp;\n      }\n      h0 = (h0 + a) | 0;\n      h1 = (h1 + b) | 0;\n      h2 = (h2 + c) | 0;\n      h3 = (h3 + d) | 0;\n    }\n    // prettier-ignore\n    return new Uint8Array([\n      h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF,\n      h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF,\n      h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF,\n      h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF\n    ]);\n  }\n\n  return hash;\n})();\nvar Word64 = (function Word64Closure() {\n  // eslint-disable-next-line no-shadow\n  function Word64(highInteger, lowInteger) {\n    this.high = highInteger | 0;\n    this.low = lowInteger | 0;\n  }\n  Word64.prototype = {\n    and: function Word64_and(word) {\n      this.high &= word.high;\n      this.low &= word.low;\n    },\n    xor: function Word64_xor(word) {\n      this.high ^= word.high;\n      this.low ^= word.low;\n    },\n\n    or: function Word64_or(word) {\n      this.high |= word.high;\n      this.low |= word.low;\n    },\n\n    shiftRight: function Word64_shiftRight(places) {\n      if (places >= 32) {\n        this.low = (this.high >>> (places - 32)) | 0;\n        this.high = 0;\n      } else {\n        this.low = (this.low >>> places) | (this.high << (32 - places));\n        this.high = (this.high >>> places) | 0;\n      }\n    },\n\n    shiftLeft: function Word64_shiftLeft(places) {\n      if (places >= 32) {\n        this.high = this.low << (places - 32);\n        this.low = 0;\n      } else {\n        this.high = (this.high << places) | (this.low >>> (32 - places));\n        this.low = this.low << places;\n      }\n    },\n\n    rotateRight: function Word64_rotateRight(places) {\n      var low, high;\n      if (places & 32) {\n        high = this.low;\n        low = this.high;\n      } else {\n        low = this.low;\n        high = this.high;\n      }\n      places &= 31;\n      this.low = (low >>> places) | (high << (32 - places));\n      this.high = (high >>> places) | (low << (32 - places));\n    },\n\n    not: function Word64_not() {\n      this.high = ~this.high;\n      this.low = ~this.low;\n    },\n\n    add: function Word64_add(word) {\n      var lowAdd = (this.low >>> 0) + (word.low >>> 0);\n      var highAdd = (this.high >>> 0) + (word.high >>> 0);\n      if (lowAdd > 0xffffffff) {\n        highAdd += 1;\n      }\n      this.low = lowAdd | 0;\n      this.high = highAdd | 0;\n    },\n\n    copyTo: function Word64_copyTo(bytes, offset) {\n      bytes[offset] = (this.high >>> 24) & 0xff;\n      bytes[offset + 1] = (this.high >> 16) & 0xff;\n      bytes[offset + 2] = (this.high >> 8) & 0xff;\n      bytes[offset + 3] = this.high & 0xff;\n      bytes[offset + 4] = (this.low >>> 24) & 0xff;\n      bytes[offset + 5] = (this.low >> 16) & 0xff;\n      bytes[offset + 6] = (this.low >> 8) & 0xff;\n      bytes[offset + 7] = this.low & 0xff;\n    },\n\n    assign: function Word64_assign(word) {\n      this.high = word.high;\n      this.low = word.low;\n    },\n  };\n  return Word64;\n})();\n\nvar calculateSHA256 = (function calculateSHA256Closure() {\n  function rotr(x, n) {\n    return (x >>> n) | (x << (32 - n));\n  }\n\n  function ch(x, y, z) {\n    return (x & y) ^ (~x & z);\n  }\n\n  function maj(x, y, z) {\n    return (x & y) ^ (x & z) ^ (y & z);\n  }\n\n  function sigma(x) {\n    return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22);\n  }\n\n  function sigmaPrime(x) {\n    return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25);\n  }\n\n  function littleSigma(x) {\n    return rotr(x, 7) ^ rotr(x, 18) ^ (x >>> 3);\n  }\n\n  function littleSigmaPrime(x) {\n    return rotr(x, 17) ^ rotr(x, 19) ^ (x >>> 10);\n  }\n\n  // prettier-ignore\n  var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,\n           0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,\n           0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,\n           0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,\n           0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,\n           0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,\n           0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,\n           0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,\n           0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,\n           0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,\n           0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,\n           0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,\n           0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,\n           0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,\n           0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,\n           0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];\n\n  function hash(data, offset, length) {\n    // initial hash values\n    var h0 = 0x6a09e667,\n      h1 = 0xbb67ae85,\n      h2 = 0x3c6ef372,\n      h3 = 0xa54ff53a,\n      h4 = 0x510e527f,\n      h5 = 0x9b05688c,\n      h6 = 0x1f83d9ab,\n      h7 = 0x5be0cd19;\n    // pre-processing\n    var paddedLength = Math.ceil((length + 9) / 64) * 64;\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 8;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length << 3) & 0xff;\n    var w = new Uint32Array(64);\n    // for each 512 bit block\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j) {\n        w[j] =\n          (padded[i] << 24) |\n          (padded[i + 1] << 16) |\n          (padded[i + 2] << 8) |\n          padded[i + 3];\n        i += 4;\n      }\n\n      for (j = 16; j < 64; ++j) {\n        w[j] =\n          (littleSigmaPrime(w[j - 2]) +\n            w[j - 7] +\n            littleSigma(w[j - 15]) +\n            w[j - 16]) |\n          0;\n      }\n      var a = h0,\n        b = h1,\n        c = h2,\n        d = h3,\n        e = h4,\n        f = h5,\n        g = h6,\n        h = h7,\n        t1,\n        t2;\n      for (j = 0; j < 64; ++j) {\n        t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j];\n        t2 = sigma(a) + maj(a, b, c);\n        h = g;\n        g = f;\n        f = e;\n        e = (d + t1) | 0;\n        d = c;\n        c = b;\n        b = a;\n        a = (t1 + t2) | 0;\n      }\n      h0 = (h0 + a) | 0;\n      h1 = (h1 + b) | 0;\n      h2 = (h2 + c) | 0;\n      h3 = (h3 + d) | 0;\n      h4 = (h4 + e) | 0;\n      h5 = (h5 + f) | 0;\n      h6 = (h6 + g) | 0;\n      h7 = (h7 + h) | 0;\n    }\n    // prettier-ignore\n    return new Uint8Array([\n      (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF,\n      (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF,\n      (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF,\n      (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF,\n      (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF,\n      (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF,\n      (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF,\n      (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF\n    ]);\n  }\n\n  return hash;\n})();\n\nvar calculateSHA512 = (function calculateSHA512Closure() {\n  function ch(result, x, y, z, tmp) {\n    result.assign(x);\n    result.and(y);\n    tmp.assign(x);\n    tmp.not();\n    tmp.and(z);\n    result.xor(tmp);\n  }\n\n  function maj(result, x, y, z, tmp) {\n    result.assign(x);\n    result.and(y);\n    tmp.assign(x);\n    tmp.and(z);\n    result.xor(tmp);\n    tmp.assign(y);\n    tmp.and(z);\n    result.xor(tmp);\n  }\n\n  function sigma(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(28);\n    tmp.assign(x);\n    tmp.rotateRight(34);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.rotateRight(39);\n    result.xor(tmp);\n  }\n\n  function sigmaPrime(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(14);\n    tmp.assign(x);\n    tmp.rotateRight(18);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.rotateRight(41);\n    result.xor(tmp);\n  }\n\n  function littleSigma(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(1);\n    tmp.assign(x);\n    tmp.rotateRight(8);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.shiftRight(7);\n    result.xor(tmp);\n  }\n\n  function littleSigmaPrime(result, x, tmp) {\n    result.assign(x);\n    result.rotateRight(19);\n    tmp.assign(x);\n    tmp.rotateRight(61);\n    result.xor(tmp);\n    tmp.assign(x);\n    tmp.shiftRight(6);\n    result.xor(tmp);\n  }\n\n  // prettier-ignore\n  var k = [\n    new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd),\n    new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc),\n    new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019),\n    new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118),\n    new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe),\n    new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2),\n    new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1),\n    new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694),\n    new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3),\n    new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65),\n    new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483),\n    new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5),\n    new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210),\n    new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4),\n    new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725),\n    new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70),\n    new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926),\n    new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df),\n    new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8),\n    new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b),\n    new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001),\n    new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30),\n    new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910),\n    new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8),\n    new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53),\n    new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8),\n    new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb),\n    new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3),\n    new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60),\n    new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec),\n    new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9),\n    new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b),\n    new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207),\n    new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178),\n    new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6),\n    new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b),\n    new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493),\n    new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c),\n    new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a),\n    new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)];\n\n  function hash(data, offset, length, mode384) {\n    mode384 = !!mode384;\n    // initial hash values\n    var h0, h1, h2, h3, h4, h5, h6, h7;\n    if (!mode384) {\n      h0 = new Word64(0x6a09e667, 0xf3bcc908);\n      h1 = new Word64(0xbb67ae85, 0x84caa73b);\n      h2 = new Word64(0x3c6ef372, 0xfe94f82b);\n      h3 = new Word64(0xa54ff53a, 0x5f1d36f1);\n      h4 = new Word64(0x510e527f, 0xade682d1);\n      h5 = new Word64(0x9b05688c, 0x2b3e6c1f);\n      h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);\n      h7 = new Word64(0x5be0cd19, 0x137e2179);\n    } else {\n      // SHA384 is exactly the same\n      // except with different starting values and a trimmed result\n      h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);\n      h1 = new Word64(0x629a292a, 0x367cd507);\n      h2 = new Word64(0x9159015a, 0x3070dd17);\n      h3 = new Word64(0x152fecd8, 0xf70e5939);\n      h4 = new Word64(0x67332667, 0xffc00b31);\n      h5 = new Word64(0x8eb44a87, 0x68581511);\n      h6 = new Word64(0xdb0c2e0d, 0x64f98fa7);\n      h7 = new Word64(0x47b5481d, 0xbefa4fa4);\n    }\n\n    // pre-processing\n    var paddedLength = Math.ceil((length + 17) / 128) * 128;\n    var padded = new Uint8Array(paddedLength);\n    var i, j, n;\n    for (i = 0; i < length; ++i) {\n      padded[i] = data[offset++];\n    }\n    padded[i++] = 0x80;\n    n = paddedLength - 16;\n    while (i < n) {\n      padded[i++] = 0;\n    }\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = 0;\n    padded[i++] = (length >>> 29) & 0xff;\n    padded[i++] = (length >> 21) & 0xff;\n    padded[i++] = (length >> 13) & 0xff;\n    padded[i++] = (length >> 5) & 0xff;\n    padded[i++] = (length << 3) & 0xff;\n\n    var w = new Array(80);\n    for (i = 0; i < 80; i++) {\n      w[i] = new Word64(0, 0);\n    }\n    var a = new Word64(0, 0),\n      b = new Word64(0, 0),\n      c = new Word64(0, 0);\n    var d = new Word64(0, 0),\n      e = new Word64(0, 0),\n      f = new Word64(0, 0);\n    var g = new Word64(0, 0),\n      h = new Word64(0, 0);\n    var t1 = new Word64(0, 0),\n      t2 = new Word64(0, 0);\n    var tmp1 = new Word64(0, 0),\n      tmp2 = new Word64(0, 0),\n      tmp3;\n\n    // for each 1024 bit block\n    for (i = 0; i < paddedLength; ) {\n      for (j = 0; j < 16; ++j) {\n        w[j].high =\n          (padded[i] << 24) |\n          (padded[i + 1] << 16) |\n          (padded[i + 2] << 8) |\n          padded[i + 3];\n        w[j].low =\n          (padded[i + 4] << 24) |\n          (padded[i + 5] << 16) |\n          (padded[i + 6] << 8) |\n          padded[i + 7];\n        i += 8;\n      }\n      for (j = 16; j < 80; ++j) {\n        tmp3 = w[j];\n        littleSigmaPrime(tmp3, w[j - 2], tmp2);\n        tmp3.add(w[j - 7]);\n        littleSigma(tmp1, w[j - 15], tmp2);\n        tmp3.add(tmp1);\n        tmp3.add(w[j - 16]);\n      }\n\n      a.assign(h0);\n      b.assign(h1);\n      c.assign(h2);\n      d.assign(h3);\n      e.assign(h4);\n      f.assign(h5);\n      g.assign(h6);\n      h.assign(h7);\n      for (j = 0; j < 80; ++j) {\n        t1.assign(h);\n        sigmaPrime(tmp1, e, tmp2);\n        t1.add(tmp1);\n        ch(tmp1, e, f, g, tmp2);\n        t1.add(tmp1);\n        t1.add(k[j]);\n        t1.add(w[j]);\n\n        sigma(t2, a, tmp2);\n        maj(tmp1, a, b, c, tmp2);\n        t2.add(tmp1);\n\n        tmp3 = h;\n        h = g;\n        g = f;\n        f = e;\n        d.add(t1);\n        e = d;\n        d = c;\n        c = b;\n        b = a;\n        tmp3.assign(t1);\n        tmp3.add(t2);\n        a = tmp3;\n      }\n      h0.add(a);\n      h1.add(b);\n      h2.add(c);\n      h3.add(d);\n      h4.add(e);\n      h5.add(f);\n      h6.add(g);\n      h7.add(h);\n    }\n\n    var result;\n    if (!mode384) {\n      result = new Uint8Array(64);\n      h0.copyTo(result, 0);\n      h1.copyTo(result, 8);\n      h2.copyTo(result, 16);\n      h3.copyTo(result, 24);\n      h4.copyTo(result, 32);\n      h5.copyTo(result, 40);\n      h6.copyTo(result, 48);\n      h7.copyTo(result, 56);\n    } else {\n      result = new Uint8Array(48);\n      h0.copyTo(result, 0);\n      h1.copyTo(result, 8);\n      h2.copyTo(result, 16);\n      h3.copyTo(result, 24);\n      h4.copyTo(result, 32);\n      h5.copyTo(result, 40);\n    }\n    return result;\n  }\n\n  return hash;\n})();\nvar calculateSHA384 = (function calculateSHA384Closure() {\n  function hash(data, offset, length) {\n    return calculateSHA512(data, offset, length, true);\n  }\n\n  return hash;\n})();\nvar NullCipher = (function NullCipherClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullCipher() {}\n\n  NullCipher.prototype = {\n    decryptBlock: function NullCipher_decryptBlock(data) {\n      return data;\n    },\n    encrypt: function NullCipher_encrypt(data) {\n      return data;\n    },\n  };\n\n  return NullCipher;\n})();\n\nclass AESBaseCipher {\n  constructor() {\n    if (this.constructor === AESBaseCipher) {\n      unreachable(\"Cannot initialize AESBaseCipher.\");\n    }\n\n    // prettier-ignore\n    this._s = new Uint8Array([\n      0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,\n      0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,\n      0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26,\n      0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,\n      0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,\n      0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,\n      0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed,\n      0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,\n      0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f,\n      0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,\n      0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,\n      0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,\n      0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,\n      0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,\n      0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d,\n      0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,\n      0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f,\n      0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,\n      0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11,\n      0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,\n      0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,\n      0xb0, 0x54, 0xbb, 0x16,\n    ]);\n\n    // prettier-ignore\n    this._inv_s = new Uint8Array([\n      0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e,\n      0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,\n      0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32,\n      0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,\n      0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49,\n      0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,\n      0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50,\n      0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,\n      0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05,\n      0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,\n      0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41,\n      0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,\n      0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8,\n      0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,\n      0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b,\n      0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,\n      0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59,\n      0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,\n      0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d,\n      0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,\n      0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63,\n      0x55, 0x21, 0x0c, 0x7d,\n    ]);\n\n    // prettier-ignore\n    this._mix = new Uint32Array([\n      0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927,\n      0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45,\n      0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb,\n      0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381,\n      0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf,\n      0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66,\n      0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28,\n      0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012,\n      0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec,\n      0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e,\n      0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd,\n      0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7,\n      0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89,\n      0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b,\n      0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815,\n      0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f,\n      0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa,\n      0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8,\n      0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36,\n      0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c,\n      0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742,\n      0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea,\n      0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4,\n      0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e,\n      0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360,\n      0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502,\n      0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87,\n      0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd,\n      0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3,\n      0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621,\n      0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f,\n      0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55,\n      0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26,\n      0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844,\n      0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba,\n      0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480,\n      0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce,\n      0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67,\n      0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929,\n      0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713,\n      0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed,\n      0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f,\n      0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3,\n    ]);\n\n    this._mixCol = new Uint8Array(256);\n    for (let i = 0; i < 256; i++) {\n      if (i < 128) {\n        this._mixCol[i] = i << 1;\n      } else {\n        this._mixCol[i] = (i << 1) ^ 0x1b;\n      }\n    }\n\n    this.buffer = new Uint8Array(16);\n    this.bufferPosition = 0;\n  }\n\n  _expandKey(cipherKey) {\n    unreachable(\"Cannot call `_expandKey` on the base class\");\n  }\n\n  _decrypt(input, key) {\n    let t, u, v;\n    const state = new Uint8Array(16);\n    state.set(input);\n\n    // AddRoundKey\n    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {\n      state[j] ^= key[k];\n    }\n    for (let i = this._cyclesOfRepetition - 1; i >= 1; --i) {\n      // InvShiftRows\n      t = state[13];\n      state[13] = state[9];\n      state[9] = state[5];\n      state[5] = state[1];\n      state[1] = t;\n      t = state[14];\n      u = state[10];\n      state[14] = state[6];\n      state[10] = state[2];\n      state[6] = t;\n      state[2] = u;\n      t = state[15];\n      u = state[11];\n      v = state[7];\n      state[15] = state[3];\n      state[11] = t;\n      state[7] = u;\n      state[3] = v;\n      // InvSubBytes\n      for (let j = 0; j < 16; ++j) {\n        state[j] = this._inv_s[state[j]];\n      }\n      // AddRoundKey\n      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {\n        state[j] ^= key[k];\n      }\n      // InvMixColumns\n      for (let j = 0; j < 16; j += 4) {\n        const s0 = this._mix[state[j]];\n        const s1 = this._mix[state[j + 1]];\n        const s2 = this._mix[state[j + 2]];\n        const s3 = this._mix[state[j + 3]];\n        t =\n          s0 ^\n          (s1 >>> 8) ^\n          (s1 << 24) ^\n          (s2 >>> 16) ^\n          (s2 << 16) ^\n          (s3 >>> 24) ^\n          (s3 << 8);\n        state[j] = (t >>> 24) & 0xff;\n        state[j + 1] = (t >> 16) & 0xff;\n        state[j + 2] = (t >> 8) & 0xff;\n        state[j + 3] = t & 0xff;\n      }\n    }\n    // InvShiftRows\n    t = state[13];\n    state[13] = state[9];\n    state[9] = state[5];\n    state[5] = state[1];\n    state[1] = t;\n    t = state[14];\n    u = state[10];\n    state[14] = state[6];\n    state[10] = state[2];\n    state[6] = t;\n    state[2] = u;\n    t = state[15];\n    u = state[11];\n    v = state[7];\n    state[15] = state[3];\n    state[11] = t;\n    state[7] = u;\n    state[3] = v;\n    for (let j = 0; j < 16; ++j) {\n      // InvSubBytes\n      state[j] = this._inv_s[state[j]];\n      // AddRoundKey\n      state[j] ^= key[j];\n    }\n    return state;\n  }\n\n  _encrypt(input, key) {\n    const s = this._s;\n\n    let t, u, v;\n    const state = new Uint8Array(16);\n    state.set(input);\n\n    for (let j = 0; j < 16; ++j) {\n      // AddRoundKey\n      state[j] ^= key[j];\n    }\n\n    for (let i = 1; i < this._cyclesOfRepetition; i++) {\n      // SubBytes\n      for (let j = 0; j < 16; ++j) {\n        state[j] = s[state[j]];\n      }\n      // ShiftRows\n      v = state[1];\n      state[1] = state[5];\n      state[5] = state[9];\n      state[9] = state[13];\n      state[13] = v;\n      v = state[2];\n      u = state[6];\n      state[2] = state[10];\n      state[6] = state[14];\n      state[10] = v;\n      state[14] = u;\n      v = state[3];\n      u = state[7];\n      t = state[11];\n      state[3] = state[15];\n      state[7] = v;\n      state[11] = u;\n      state[15] = t;\n      // MixColumns\n      for (let j = 0; j < 16; j += 4) {\n        const s0 = state[j + 0];\n        const s1 = state[j + 1];\n        const s2 = state[j + 2];\n        const s3 = state[j + 3];\n        t = s0 ^ s1 ^ s2 ^ s3;\n        state[j + 0] ^= t ^ this._mixCol[s0 ^ s1];\n        state[j + 1] ^= t ^ this._mixCol[s1 ^ s2];\n        state[j + 2] ^= t ^ this._mixCol[s2 ^ s3];\n        state[j + 3] ^= t ^ this._mixCol[s3 ^ s0];\n      }\n      // AddRoundKey\n      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {\n        state[j] ^= key[k];\n      }\n    }\n\n    // SubBytes\n    for (let j = 0; j < 16; ++j) {\n      state[j] = s[state[j]];\n    }\n    // ShiftRows\n    v = state[1];\n    state[1] = state[5];\n    state[5] = state[9];\n    state[9] = state[13];\n    state[13] = v;\n    v = state[2];\n    u = state[6];\n    state[2] = state[10];\n    state[6] = state[14];\n    state[10] = v;\n    state[14] = u;\n    v = state[3];\n    u = state[7];\n    t = state[11];\n    state[3] = state[15];\n    state[7] = v;\n    state[11] = u;\n    state[15] = t;\n    // AddRoundKey\n    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {\n      state[j] ^= key[k];\n    }\n    return state;\n  }\n\n  _decryptBlock2(data, finalize) {\n    const sourceLength = data.length;\n    let buffer = this.buffer,\n      bufferLength = this.bufferPosition;\n    const result = [];\n    let iv = this.iv;\n\n    for (let i = 0; i < sourceLength; ++i) {\n      buffer[bufferLength] = data[i];\n      ++bufferLength;\n      if (bufferLength < 16) {\n        continue;\n      }\n      // buffer is full, decrypting\n      const plain = this._decrypt(buffer, this._key);\n      // xor-ing the IV vector to get plain text\n      for (let j = 0; j < 16; ++j) {\n        plain[j] ^= iv[j];\n      }\n      iv = buffer;\n      result.push(plain);\n      buffer = new Uint8Array(16);\n      bufferLength = 0;\n    }\n    // saving incomplete buffer\n    this.buffer = buffer;\n    this.bufferLength = bufferLength;\n    this.iv = iv;\n    if (result.length === 0) {\n      return new Uint8Array(0);\n    }\n    // combining plain text blocks into one\n    let outputLength = 16 * result.length;\n    if (finalize) {\n      // undo a padding that is described in RFC 2898\n      const lastBlock = result[result.length - 1];\n      let psLen = lastBlock[15];\n      if (psLen <= 16) {\n        for (let i = 15, ii = 16 - psLen; i >= ii; --i) {\n          if (lastBlock[i] !== psLen) {\n            // Invalid padding, assume that the block has no padding.\n            psLen = 0;\n            break;\n          }\n        }\n        outputLength -= psLen;\n        result[result.length - 1] = lastBlock.subarray(0, 16 - psLen);\n      }\n    }\n    const output = new Uint8Array(outputLength);\n    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {\n      output.set(result[i], j);\n    }\n    return output;\n  }\n\n  decryptBlock(data, finalize, iv = null) {\n    const sourceLength = data.length;\n    const buffer = this.buffer;\n    let bufferLength = this.bufferPosition;\n    // If an IV is not supplied, wait for IV values. They are at the start\n    // of the stream.\n    if (iv) {\n      this.iv = iv;\n    } else {\n      for (\n        let i = 0;\n        bufferLength < 16 && i < sourceLength;\n        ++i, ++bufferLength\n      ) {\n        buffer[bufferLength] = data[i];\n      }\n      if (bufferLength < 16) {\n        // Need more data.\n        this.bufferLength = bufferLength;\n        return new Uint8Array(0);\n      }\n      this.iv = buffer;\n      data = data.subarray(16);\n    }\n    this.buffer = new Uint8Array(16);\n    this.bufferLength = 0;\n    // starting decryption\n    this.decryptBlock = this._decryptBlock2;\n    return this.decryptBlock(data, finalize);\n  }\n\n  encrypt(data, iv) {\n    const sourceLength = data.length;\n    let buffer = this.buffer,\n      bufferLength = this.bufferPosition;\n    const result = [];\n\n    if (!iv) {\n      iv = new Uint8Array(16);\n    }\n    for (let i = 0; i < sourceLength; ++i) {\n      buffer[bufferLength] = data[i];\n      ++bufferLength;\n      if (bufferLength < 16) {\n        continue;\n      }\n\n      for (let j = 0; j < 16; ++j) {\n        buffer[j] ^= iv[j];\n      }\n\n      // buffer is full, encrypting\n      const cipher = this._encrypt(buffer, this._key);\n      iv = cipher;\n      result.push(cipher);\n      buffer = new Uint8Array(16);\n      bufferLength = 0;\n    }\n    // saving incomplete buffer\n    this.buffer = buffer;\n    this.bufferLength = bufferLength;\n    this.iv = iv;\n    if (result.length === 0) {\n      return new Uint8Array(0);\n    }\n    // combining plain text blocks into one\n    const outputLength = 16 * result.length;\n    const output = new Uint8Array(outputLength);\n    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {\n      output.set(result[i], j);\n    }\n    return output;\n  }\n}\n\nclass AES128Cipher extends AESBaseCipher {\n  constructor(key) {\n    super();\n\n    this._cyclesOfRepetition = 10;\n    this._keySize = 160; // bits\n\n    // prettier-ignore\n    this._rcon = new Uint8Array([\n      0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,\n      0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a,\n      0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,\n      0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,\n      0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,\n      0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6,\n      0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72,\n      0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc,\n      0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10,\n      0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e,\n      0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5,\n      0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94,\n      0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02,\n      0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d,\n      0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d,\n      0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f,\n      0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb,\n      0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,\n      0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a,\n      0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,\n      0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,\n      0x74, 0xe8, 0xcb, 0x8d,\n    ]);\n\n    this._key = this._expandKey(key);\n  }\n\n  _expandKey(cipherKey) {\n    const b = 176;\n    const s = this._s;\n    const rcon = this._rcon;\n\n    const result = new Uint8Array(b);\n    result.set(cipherKey);\n\n    for (let j = 16, i = 1; j < b; ++i) {\n      // RotWord\n      let t1 = result[j - 3];\n      let t2 = result[j - 2];\n      let t3 = result[j - 1];\n      let t4 = result[j - 4];\n      // SubWord\n      t1 = s[t1];\n      t2 = s[t2];\n      t3 = s[t3];\n      t4 = s[t4];\n      // Rcon\n      t1 = t1 ^ rcon[i];\n      for (let n = 0; n < 4; ++n) {\n        result[j] = t1 ^= result[j - 16];\n        j++;\n        result[j] = t2 ^= result[j - 16];\n        j++;\n        result[j] = t3 ^= result[j - 16];\n        j++;\n        result[j] = t4 ^= result[j - 16];\n        j++;\n      }\n    }\n    return result;\n  }\n}\n\nclass AES256Cipher extends AESBaseCipher {\n  constructor(key) {\n    super();\n\n    this._cyclesOfRepetition = 14;\n    this._keySize = 224; // bits\n\n    this._key = this._expandKey(key);\n  }\n\n  _expandKey(cipherKey) {\n    const b = 240;\n    const s = this._s;\n\n    const result = new Uint8Array(b);\n    result.set(cipherKey);\n\n    let r = 1;\n    let t1, t2, t3, t4;\n    for (let j = 32, i = 1; j < b; ++i) {\n      if (j % 32 === 16) {\n        t1 = s[t1];\n        t2 = s[t2];\n        t3 = s[t3];\n        t4 = s[t4];\n      } else if (j % 32 === 0) {\n        // RotWord\n        t1 = result[j - 3];\n        t2 = result[j - 2];\n        t3 = result[j - 1];\n        t4 = result[j - 4];\n        // SubWord\n        t1 = s[t1];\n        t2 = s[t2];\n        t3 = s[t3];\n        t4 = s[t4];\n        // Rcon\n        t1 = t1 ^ r;\n        if ((r <<= 1) >= 256) {\n          r = (r ^ 0x1b) & 0xff;\n        }\n      }\n\n      for (let n = 0; n < 4; ++n) {\n        result[j] = t1 ^= result[j - 32];\n        j++;\n        result[j] = t2 ^= result[j - 32];\n        j++;\n        result[j] = t3 ^= result[j - 32];\n        j++;\n        result[j] = t4 ^= result[j - 32];\n        j++;\n      }\n    }\n    return result;\n  }\n}\n\nvar PDF17 = (function PDF17Closure() {\n  function compareByteArrays(array1, array2) {\n    if (array1.length !== array2.length) {\n      return false;\n    }\n    for (var i = 0; i < array1.length; i++) {\n      if (array1[i] !== array2[i]) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PDF17() {}\n\n  PDF17.prototype = {\n    checkOwnerPassword: function PDF17_checkOwnerPassword(\n      password,\n      ownerValidationSalt,\n      userBytes,\n      ownerPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerValidationSalt, password.length);\n      hashData.set(userBytes, password.length + ownerValidationSalt.length);\n      var result = calculateSHA256(hashData, 0, hashData.length);\n      return compareByteArrays(result, ownerPassword);\n    },\n    checkUserPassword: function PDF17_checkUserPassword(\n      password,\n      userValidationSalt,\n      userPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userValidationSalt, password.length);\n      var result = calculateSHA256(hashData, 0, hashData.length);\n      return compareByteArrays(result, userPassword);\n    },\n    getOwnerKey: function PDF17_getOwnerKey(\n      password,\n      ownerKeySalt,\n      userBytes,\n      ownerEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerKeySalt, password.length);\n      hashData.set(userBytes, password.length + ownerKeySalt.length);\n      var key = calculateSHA256(hashData, 0, hashData.length);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));\n    },\n    getUserKey: function PDF17_getUserKey(\n      password,\n      userKeySalt,\n      userEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userKeySalt, password.length);\n      // `key` is the decryption key for the UE string.\n      var key = calculateSHA256(hashData, 0, hashData.length);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));\n    },\n  };\n  return PDF17;\n})();\n\nvar PDF20 = (function PDF20Closure() {\n  function concatArrays(array1, array2) {\n    var t = new Uint8Array(array1.length + array2.length);\n    t.set(array1, 0);\n    t.set(array2, array1.length);\n    return t;\n  }\n\n  function calculatePDF20Hash(password, input, userBytes) {\n    // This refers to Algorithm 2.B as defined in ISO 32000-2.\n    var k = calculateSHA256(input, 0, input.length).subarray(0, 32);\n    var e = [0];\n    var i = 0;\n    while (i < 64 || e[e.length - 1] > i - 32) {\n      var arrayLength = password.length + k.length + userBytes.length;\n\n      var k1 = new Uint8Array(arrayLength * 64);\n      var array = concatArrays(password, k);\n      array = concatArrays(array, userBytes);\n      for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {\n        k1.set(array, pos);\n      }\n      // AES128 CBC NO PADDING with first 16 bytes of k as the key\n      // and the second 16 as the iv.\n      var cipher = new AES128Cipher(k.subarray(0, 16));\n      e = cipher.encrypt(k1, k.subarray(16, 32));\n      // Now we have to take the first 16 bytes of an unsigned big endian\n      // integer and compute the remainder modulo 3. That is a fairly large\n      // number and JavaScript isn't going to handle that well, so we're using\n      // a trick that allows us to perform modulo math byte by byte.\n      var remainder = 0;\n      for (var z = 0; z < 16; z++) {\n        remainder *= 256 % 3;\n        remainder %= 3;\n        remainder += (e[z] >>> 0) % 3;\n        remainder %= 3;\n      }\n      if (remainder === 0) {\n        k = calculateSHA256(e, 0, e.length);\n      } else if (remainder === 1) {\n        k = calculateSHA384(e, 0, e.length);\n      } else if (remainder === 2) {\n        k = calculateSHA512(e, 0, e.length);\n      }\n      i++;\n    }\n    return k.subarray(0, 32);\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PDF20() {}\n\n  function compareByteArrays(array1, array2) {\n    if (array1.length !== array2.length) {\n      return false;\n    }\n    for (var i = 0; i < array1.length; i++) {\n      if (array1[i] !== array2[i]) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  PDF20.prototype = {\n    hash: function PDF20_hash(password, concatBytes, userBytes) {\n      return calculatePDF20Hash(password, concatBytes, userBytes);\n    },\n    checkOwnerPassword: function PDF20_checkOwnerPassword(\n      password,\n      ownerValidationSalt,\n      userBytes,\n      ownerPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerValidationSalt, password.length);\n      hashData.set(userBytes, password.length + ownerValidationSalt.length);\n      var result = calculatePDF20Hash(password, hashData, userBytes);\n      return compareByteArrays(result, ownerPassword);\n    },\n    checkUserPassword: function PDF20_checkUserPassword(\n      password,\n      userValidationSalt,\n      userPassword\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userValidationSalt, password.length);\n      var result = calculatePDF20Hash(password, hashData, []);\n      return compareByteArrays(result, userPassword);\n    },\n    getOwnerKey: function PDF20_getOwnerKey(\n      password,\n      ownerKeySalt,\n      userBytes,\n      ownerEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 56);\n      hashData.set(password, 0);\n      hashData.set(ownerKeySalt, password.length);\n      hashData.set(userBytes, password.length + ownerKeySalt.length);\n      var key = calculatePDF20Hash(password, hashData, userBytes);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));\n    },\n    getUserKey: function PDF20_getUserKey(\n      password,\n      userKeySalt,\n      userEncryption\n    ) {\n      var hashData = new Uint8Array(password.length + 8);\n      hashData.set(password, 0);\n      hashData.set(userKeySalt, password.length);\n      // `key` is the decryption key for the UE string.\n      var key = calculatePDF20Hash(password, hashData, []);\n      var cipher = new AES256Cipher(key);\n      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));\n    },\n  };\n  return PDF20;\n})();\n\nvar CipherTransform = (function CipherTransformClosure() {\n  // eslint-disable-next-line no-shadow\n  function CipherTransform(stringCipherConstructor, streamCipherConstructor) {\n    this.StringCipherConstructor = stringCipherConstructor;\n    this.StreamCipherConstructor = streamCipherConstructor;\n  }\n\n  CipherTransform.prototype = {\n    createStream: function CipherTransform_createStream(stream, length) {\n      var cipher = new this.StreamCipherConstructor();\n      return new DecryptStream(\n        stream,\n        length,\n        function cipherTransformDecryptStream(data, finalize) {\n          return cipher.decryptBlock(data, finalize);\n        }\n      );\n    },\n    decryptString: function CipherTransform_decryptString(s) {\n      var cipher = new this.StringCipherConstructor();\n      var data = stringToBytes(s);\n      data = cipher.decryptBlock(data, true);\n      return bytesToString(data);\n    },\n    encryptString: function CipherTransform_encryptString(s) {\n      const cipher = new this.StringCipherConstructor();\n      if (cipher instanceof AESBaseCipher) {\n        // Append some chars equal to \"16 - (M mod 16)\"\n        // where M is the string length (see section 7.6.2 in PDF specification)\n        // to have a final string where the length is a multiple of 16.\n        const strLen = s.length;\n        const pad = 16 - (strLen % 16);\n        if (pad !== 16) {\n          s = s.padEnd(16 * Math.ceil(strLen / 16), String.fromCharCode(pad));\n        }\n\n        // Generate an initialization vector\n        const iv = new Uint8Array(16);\n        if (typeof crypto !== \"undefined\") {\n          crypto.getRandomValues(iv);\n        } else {\n          for (let i = 0; i < 16; i++) {\n            iv[i] = Math.floor(256 * Math.random());\n          }\n        }\n\n        let data = stringToBytes(s);\n        data = cipher.encrypt(data, iv);\n\n        const buf = new Uint8Array(16 + data.length);\n        buf.set(iv);\n        buf.set(data, 16);\n\n        return bytesToString(buf);\n      }\n\n      let data = stringToBytes(s);\n      data = cipher.encrypt(data);\n      return bytesToString(data);\n    },\n  };\n  return CipherTransform;\n})();\n\nvar CipherTransformFactory = (function CipherTransformFactoryClosure() {\n  // prettier-ignore\n  var defaultPasswordBytes = new Uint8Array([\n    0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41,\n    0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08,\n    0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80,\n    0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);\n\n  function createEncryptionKey20(\n    revision,\n    password,\n    ownerPassword,\n    ownerValidationSalt,\n    ownerKeySalt,\n    uBytes,\n    userPassword,\n    userValidationSalt,\n    userKeySalt,\n    ownerEncryption,\n    userEncryption,\n    perms\n  ) {\n    if (password) {\n      var passwordLength = Math.min(127, password.length);\n      password = password.subarray(0, passwordLength);\n    } else {\n      password = [];\n    }\n    var pdfAlgorithm;\n    if (revision === 6) {\n      pdfAlgorithm = new PDF20();\n    } else {\n      pdfAlgorithm = new PDF17();\n    }\n\n    if (\n      pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)\n    ) {\n      return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);\n    } else if (\n      password.length &&\n      pdfAlgorithm.checkOwnerPassword(\n        password,\n        ownerValidationSalt,\n        uBytes,\n        ownerPassword\n      )\n    ) {\n      return pdfAlgorithm.getOwnerKey(\n        password,\n        ownerKeySalt,\n        uBytes,\n        ownerEncryption\n      );\n    }\n\n    return null;\n  }\n\n  function prepareKeyData(\n    fileId,\n    password,\n    ownerPassword,\n    userPassword,\n    flags,\n    revision,\n    keyLength,\n    encryptMetadata\n  ) {\n    var hashDataSize = 40 + ownerPassword.length + fileId.length;\n    var hashData = new Uint8Array(hashDataSize),\n      i = 0,\n      j,\n      n;\n    if (password) {\n      n = Math.min(32, password.length);\n      for (; i < n; ++i) {\n        hashData[i] = password[i];\n      }\n    }\n    j = 0;\n    while (i < 32) {\n      hashData[i++] = defaultPasswordBytes[j++];\n    }\n    // as now the padded password in the hashData[0..i]\n    for (j = 0, n = ownerPassword.length; j < n; ++j) {\n      hashData[i++] = ownerPassword[j];\n    }\n    hashData[i++] = flags & 0xff;\n    hashData[i++] = (flags >> 8) & 0xff;\n    hashData[i++] = (flags >> 16) & 0xff;\n    hashData[i++] = (flags >>> 24) & 0xff;\n    for (j = 0, n = fileId.length; j < n; ++j) {\n      hashData[i++] = fileId[j];\n    }\n    if (revision >= 4 && !encryptMetadata) {\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n      hashData[i++] = 0xff;\n    }\n    var hash = calculateMD5(hashData, 0, i);\n    var keyLengthInBytes = keyLength >> 3;\n    if (revision >= 3) {\n      for (j = 0; j < 50; ++j) {\n        hash = calculateMD5(hash, 0, keyLengthInBytes);\n      }\n    }\n    var encryptionKey = hash.subarray(0, keyLengthInBytes);\n    var cipher, checkData;\n\n    if (revision >= 3) {\n      for (i = 0; i < 32; ++i) {\n        hashData[i] = defaultPasswordBytes[i];\n      }\n      for (j = 0, n = fileId.length; j < n; ++j) {\n        hashData[i++] = fileId[j];\n      }\n      cipher = new ARCFourCipher(encryptionKey);\n      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));\n      n = encryptionKey.length;\n      var derivedKey = new Uint8Array(n),\n        k;\n      for (j = 1; j <= 19; ++j) {\n        for (k = 0; k < n; ++k) {\n          derivedKey[k] = encryptionKey[k] ^ j;\n        }\n        cipher = new ARCFourCipher(derivedKey);\n        checkData = cipher.encryptBlock(checkData);\n      }\n      for (j = 0, n = checkData.length; j < n; ++j) {\n        if (userPassword[j] !== checkData[j]) {\n          return null;\n        }\n      }\n    } else {\n      cipher = new ARCFourCipher(encryptionKey);\n      checkData = cipher.encryptBlock(defaultPasswordBytes);\n      for (j = 0, n = checkData.length; j < n; ++j) {\n        if (userPassword[j] !== checkData[j]) {\n          return null;\n        }\n      }\n    }\n    return encryptionKey;\n  }\n\n  function decodeUserPassword(password, ownerPassword, revision, keyLength) {\n    var hashData = new Uint8Array(32),\n      i = 0,\n      j,\n      n;\n    n = Math.min(32, password.length);\n    for (; i < n; ++i) {\n      hashData[i] = password[i];\n    }\n    j = 0;\n    while (i < 32) {\n      hashData[i++] = defaultPasswordBytes[j++];\n    }\n    var hash = calculateMD5(hashData, 0, i);\n    var keyLengthInBytes = keyLength >> 3;\n    if (revision >= 3) {\n      for (j = 0; j < 50; ++j) {\n        hash = calculateMD5(hash, 0, hash.length);\n      }\n    }\n\n    var cipher, userPassword;\n    if (revision >= 3) {\n      userPassword = ownerPassword;\n      var derivedKey = new Uint8Array(keyLengthInBytes),\n        k;\n      for (j = 19; j >= 0; j--) {\n        for (k = 0; k < keyLengthInBytes; ++k) {\n          derivedKey[k] = hash[k] ^ j;\n        }\n        cipher = new ARCFourCipher(derivedKey);\n        userPassword = cipher.encryptBlock(userPassword);\n      }\n    } else {\n      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));\n      userPassword = cipher.encryptBlock(ownerPassword);\n    }\n    return userPassword;\n  }\n\n  var identityName = Name.get(\"Identity\");\n\n  // eslint-disable-next-line no-shadow\n  function CipherTransformFactory(dict, fileId, password) {\n    var filter = dict.get(\"Filter\");\n    if (!isName(filter, \"Standard\")) {\n      throw new FormatError(\"unknown encryption method\");\n    }\n    this.dict = dict;\n    var algorithm = dict.get(\"V\");\n    if (\n      !Number.isInteger(algorithm) ||\n      (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5)\n    ) {\n      throw new FormatError(\"unsupported encryption algorithm\");\n    }\n    this.algorithm = algorithm;\n    var keyLength = dict.get(\"Length\");\n    if (!keyLength) {\n      // Spec asks to rely on encryption dictionary's Length entry, however\n      // some PDFs don't have it. Trying to recover.\n      if (algorithm <= 3) {\n        // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value.\n        keyLength = 40;\n      } else {\n        // Trying to find default handler -- it usually has Length.\n        var cfDict = dict.get(\"CF\");\n        var streamCryptoName = dict.get(\"StmF\");\n        if (isDict(cfDict) && isName(streamCryptoName)) {\n          cfDict.suppressEncryption = true; // See comment below.\n          var handlerDict = cfDict.get(streamCryptoName.name);\n          keyLength = (handlerDict && handlerDict.get(\"Length\")) || 128;\n          if (keyLength < 40) {\n            // Sometimes it's incorrect value of bits, generators specify bytes.\n            keyLength <<= 3;\n          }\n        }\n      }\n    }\n    if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {\n      throw new FormatError(\"invalid key length\");\n    }\n\n    // prepare keys\n    var ownerPassword = stringToBytes(dict.get(\"O\")).subarray(0, 32);\n    var userPassword = stringToBytes(dict.get(\"U\")).subarray(0, 32);\n    var flags = dict.get(\"P\");\n    var revision = dict.get(\"R\");\n    // meaningful when V is 4 or 5\n    var encryptMetadata =\n      (algorithm === 4 || algorithm === 5) &&\n      dict.get(\"EncryptMetadata\") !== false;\n    this.encryptMetadata = encryptMetadata;\n\n    var fileIdBytes = stringToBytes(fileId);\n    var passwordBytes;\n    if (password) {\n      if (revision === 6) {\n        try {\n          password = utf8StringToString(password);\n        } catch (ex) {\n          warn(\n            \"CipherTransformFactory: \" +\n              \"Unable to convert UTF8 encoded password.\"\n          );\n        }\n      }\n      passwordBytes = stringToBytes(password);\n    }\n\n    var encryptionKey;\n    if (algorithm !== 5) {\n      encryptionKey = prepareKeyData(\n        fileIdBytes,\n        passwordBytes,\n        ownerPassword,\n        userPassword,\n        flags,\n        revision,\n        keyLength,\n        encryptMetadata\n      );\n    } else {\n      var ownerValidationSalt = stringToBytes(dict.get(\"O\")).subarray(32, 40);\n      var ownerKeySalt = stringToBytes(dict.get(\"O\")).subarray(40, 48);\n      var uBytes = stringToBytes(dict.get(\"U\")).subarray(0, 48);\n      var userValidationSalt = stringToBytes(dict.get(\"U\")).subarray(32, 40);\n      var userKeySalt = stringToBytes(dict.get(\"U\")).subarray(40, 48);\n      var ownerEncryption = stringToBytes(dict.get(\"OE\"));\n      var userEncryption = stringToBytes(dict.get(\"UE\"));\n      var perms = stringToBytes(dict.get(\"Perms\"));\n      encryptionKey = createEncryptionKey20(\n        revision,\n        passwordBytes,\n        ownerPassword,\n        ownerValidationSalt,\n        ownerKeySalt,\n        uBytes,\n        userPassword,\n        userValidationSalt,\n        userKeySalt,\n        ownerEncryption,\n        userEncryption,\n        perms\n      );\n    }\n    if (!encryptionKey && !password) {\n      throw new PasswordException(\n        \"No password given\",\n        PasswordResponses.NEED_PASSWORD\n      );\n    } else if (!encryptionKey && password) {\n      // Attempting use the password as an owner password\n      var decodedPassword = decodeUserPassword(\n        passwordBytes,\n        ownerPassword,\n        revision,\n        keyLength\n      );\n      encryptionKey = prepareKeyData(\n        fileIdBytes,\n        decodedPassword,\n        ownerPassword,\n        userPassword,\n        flags,\n        revision,\n        keyLength,\n        encryptMetadata\n      );\n    }\n\n    if (!encryptionKey) {\n      throw new PasswordException(\n        \"Incorrect Password\",\n        PasswordResponses.INCORRECT_PASSWORD\n      );\n    }\n\n    this.encryptionKey = encryptionKey;\n\n    if (algorithm >= 4) {\n      var cf = dict.get(\"CF\");\n      if (isDict(cf)) {\n        // The 'CF' dictionary itself should not be encrypted, and by setting\n        // `suppressEncryption` we can prevent an infinite loop inside of\n        // `XRef_fetchUncompressed` if the dictionary contains indirect objects\n        // (fixes issue7665.pdf).\n        cf.suppressEncryption = true;\n      }\n      this.cf = cf;\n      this.stmf = dict.get(\"StmF\") || identityName;\n      this.strf = dict.get(\"StrF\") || identityName;\n      this.eff = dict.get(\"EFF\") || this.stmf;\n    }\n  }\n\n  function buildObjectKey(num, gen, encryptionKey, isAes) {\n    var key = new Uint8Array(encryptionKey.length + 9),\n      i,\n      n;\n    for (i = 0, n = encryptionKey.length; i < n; ++i) {\n      key[i] = encryptionKey[i];\n    }\n    key[i++] = num & 0xff;\n    key[i++] = (num >> 8) & 0xff;\n    key[i++] = (num >> 16) & 0xff;\n    key[i++] = gen & 0xff;\n    key[i++] = (gen >> 8) & 0xff;\n    if (isAes) {\n      key[i++] = 0x73;\n      key[i++] = 0x41;\n      key[i++] = 0x6c;\n      key[i++] = 0x54;\n    }\n    var hash = calculateMD5(key, 0, i);\n    return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));\n  }\n\n  function buildCipherConstructor(cf, name, num, gen, key) {\n    if (!isName(name)) {\n      throw new FormatError(\"Invalid crypt filter name.\");\n    }\n    var cryptFilter = cf.get(name.name);\n    var cfm;\n    if (cryptFilter !== null && cryptFilter !== undefined) {\n      cfm = cryptFilter.get(\"CFM\");\n    }\n    if (!cfm || cfm.name === \"None\") {\n      return function cipherTransformFactoryBuildCipherConstructorNone() {\n        return new NullCipher();\n      };\n    }\n    if (cfm.name === \"V2\") {\n      return function cipherTransformFactoryBuildCipherConstructorV2() {\n        return new ARCFourCipher(buildObjectKey(num, gen, key, false));\n      };\n    }\n    if (cfm.name === \"AESV2\") {\n      return function cipherTransformFactoryBuildCipherConstructorAESV2() {\n        return new AES128Cipher(buildObjectKey(num, gen, key, true));\n      };\n    }\n    if (cfm.name === \"AESV3\") {\n      return function cipherTransformFactoryBuildCipherConstructorAESV3() {\n        return new AES256Cipher(key);\n      };\n    }\n    throw new FormatError(\"Unknown crypto method\");\n  }\n\n  CipherTransformFactory.prototype = {\n    createCipherTransform: function CipherTransformFactory_createCipherTransform(\n      num,\n      gen\n    ) {\n      if (this.algorithm === 4 || this.algorithm === 5) {\n        return new CipherTransform(\n          buildCipherConstructor(\n            this.cf,\n            this.stmf,\n            num,\n            gen,\n            this.encryptionKey\n          ),\n          buildCipherConstructor(\n            this.cf,\n            this.strf,\n            num,\n            gen,\n            this.encryptionKey\n          )\n        );\n      }\n      // algorithms 1 and 2\n      var key = buildObjectKey(num, gen, this.encryptionKey, false);\n      var cipherConstructor = function buildCipherCipherConstructor() {\n        return new ARCFourCipher(key);\n      };\n      return new CipherTransform(cipherConstructor, cipherConstructor);\n    },\n  };\n\n  return CipherTransformFactory;\n})();\n\nexport {\n  AES128Cipher,\n  AES256Cipher,\n  ARCFourCipher,\n  CipherTransformFactory,\n  PDF17,\n  PDF20,\n  calculateMD5,\n  calculateSHA256,\n  calculateSHA384,\n  calculateSHA512,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  shadow,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { isDict, isName, isStream, Name, Ref } from \"./primitives.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\n/**\n * Resizes an RGB image with 3 components.\n * @param {TypedArray} src - The source buffer.\n * @param {TypedArray} dest - The destination buffer.\n * @param {number} w1 - Original width.\n * @param {number} h1 - Original height.\n * @param {number} w2 - New width.\n * @param {number} h2 - New height.\n * @param {number} alpha01 - Size reserved for the alpha channel.\n */\nfunction resizeRgbImage(src, dest, w1, h1, w2, h2, alpha01) {\n  const COMPONENTS = 3;\n  alpha01 = alpha01 !== 1 ? 0 : alpha01;\n  const xRatio = w1 / w2;\n  const yRatio = h1 / h2;\n  let newIndex = 0,\n    oldIndex;\n  const xScaled = new Uint16Array(w2);\n  const w1Scanline = w1 * COMPONENTS;\n\n  for (let i = 0; i < w2; i++) {\n    xScaled[i] = Math.floor(i * xRatio) * COMPONENTS;\n  }\n  for (let i = 0; i < h2; i++) {\n    const py = Math.floor(i * yRatio) * w1Scanline;\n    for (let j = 0; j < w2; j++) {\n      oldIndex = py + xScaled[j];\n      dest[newIndex++] = src[oldIndex++];\n      dest[newIndex++] = src[oldIndex++];\n      dest[newIndex++] = src[oldIndex++];\n      newIndex += alpha01;\n    }\n  }\n}\n\nclass ColorSpace {\n  constructor(name, numComps) {\n    if (this.constructor === ColorSpace) {\n      unreachable(\"Cannot initialize ColorSpace.\");\n    }\n    this.name = name;\n    this.numComps = numComps;\n  }\n\n  /**\n   * Converts the color value to the RGB color. The color components are\n   * located in the src array starting from the srcOffset. Returns the array\n   * of the rgb components, each value ranging from [0,255].\n   */\n  getRgb(src, srcOffset) {\n    const rgb = new Uint8ClampedArray(3);\n    this.getRgbItem(src, srcOffset, rgb, 0);\n    return rgb;\n  }\n\n  /**\n   * Converts the color value to the RGB color, similar to the getRgb method.\n   * The result placed into the dest array starting from the destOffset.\n   */\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    unreachable(\"Should not call ColorSpace.getRgbItem\");\n  }\n\n  /**\n   * Converts the specified number of the color values to the RGB colors.\n   * The colors are located in the src array starting from the srcOffset.\n   * The result is placed into the dest array starting from the destOffset.\n   * The src array items shall be in [0,2^bits) range, the dest array items\n   * will be in [0,255] range. alpha01 indicates how many alpha components\n   * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA\n   * array).\n   */\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    unreachable(\"Should not call ColorSpace.getRgbBuffer\");\n  }\n\n  /**\n   * Determines the number of bytes required to store the result of the\n   * conversion done by the getRgbBuffer method. As in getRgbBuffer,\n   * |alpha01| is either 0 (RGB output) or 1 (RGBA output).\n   */\n  getOutputLength(inputLength, alpha01) {\n    unreachable(\"Should not call ColorSpace.getOutputLength\");\n  }\n\n  /**\n   * Returns true if source data will be equal the result/output data.\n   */\n  isPassthrough(bits) {\n    return false;\n  }\n\n  /**\n   * Refer to the static `ColorSpace.isDefaultDecode` method below.\n   */\n  isDefaultDecode(decodeMap, bpc) {\n    return ColorSpace.isDefaultDecode(decodeMap, this.numComps);\n  }\n\n  /**\n   * Fills in the RGB colors in the destination buffer.  alpha01 indicates\n   * how many alpha components there are in the dest array; it will be either\n   * 0 (RGB array) or 1 (RGBA array).\n   */\n  fillRgb(\n    dest,\n    originalWidth,\n    originalHeight,\n    width,\n    height,\n    actualHeight,\n    bpc,\n    comps,\n    alpha01\n  ) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'ColorSpace.fillRgb: Unsupported \"dest\" type.'\n      );\n    }\n    const count = originalWidth * originalHeight;\n    let rgbBuf = null;\n    const numComponentColors = 1 << bpc;\n    const needsResizing = originalHeight !== height || originalWidth !== width;\n\n    if (this.isPassthrough(bpc)) {\n      rgbBuf = comps;\n    } else if (\n      this.numComps === 1 &&\n      count > numComponentColors &&\n      this.name !== \"DeviceGray\" &&\n      this.name !== \"DeviceRGB\"\n    ) {\n      // Optimization: create a color map when there is just one component and\n      // we are converting more colors than the size of the color map. We\n      // don't build the map if the colorspace is gray or rgb since those\n      // methods are faster than building a map. This mainly offers big speed\n      // ups for indexed and alternate colorspaces.\n      //\n      // TODO it may be worth while to cache the color map. While running\n      // testing I never hit a cache so I will leave that out for now (perhaps\n      // we are reparsing colorspaces too much?).\n      const allColors =\n        bpc <= 8\n          ? new Uint8Array(numComponentColors)\n          : new Uint16Array(numComponentColors);\n      for (let i = 0; i < numComponentColors; i++) {\n        allColors[i] = i;\n      }\n      const colorMap = new Uint8ClampedArray(numComponentColors * 3);\n      this.getRgbBuffer(\n        allColors,\n        0,\n        numComponentColors,\n        colorMap,\n        0,\n        bpc,\n        /* alpha01 = */ 0\n      );\n\n      if (!needsResizing) {\n        // Fill in the RGB values directly into |dest|.\n        let destPos = 0;\n        for (let i = 0; i < count; ++i) {\n          const key = comps[i] * 3;\n          dest[destPos++] = colorMap[key];\n          dest[destPos++] = colorMap[key + 1];\n          dest[destPos++] = colorMap[key + 2];\n          destPos += alpha01;\n        }\n      } else {\n        rgbBuf = new Uint8Array(count * 3);\n        let rgbPos = 0;\n        for (let i = 0; i < count; ++i) {\n          const key = comps[i] * 3;\n          rgbBuf[rgbPos++] = colorMap[key];\n          rgbBuf[rgbPos++] = colorMap[key + 1];\n          rgbBuf[rgbPos++] = colorMap[key + 2];\n        }\n      }\n    } else {\n      if (!needsResizing) {\n        // Fill in the RGB values directly into |dest|.\n        this.getRgbBuffer(\n          comps,\n          0,\n          width * actualHeight,\n          dest,\n          0,\n          bpc,\n          alpha01\n        );\n      } else {\n        rgbBuf = new Uint8ClampedArray(count * 3);\n        this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, /* alpha01 = */ 0);\n      }\n    }\n\n    if (rgbBuf) {\n      if (needsResizing) {\n        resizeRgbImage(\n          rgbBuf,\n          dest,\n          originalWidth,\n          originalHeight,\n          width,\n          height,\n          alpha01\n        );\n      } else {\n        let destPos = 0,\n          rgbPos = 0;\n        for (let i = 0, ii = width * actualHeight; i < ii; i++) {\n          dest[destPos++] = rgbBuf[rgbPos++];\n          dest[destPos++] = rgbBuf[rgbPos++];\n          dest[destPos++] = rgbBuf[rgbPos++];\n          destPos += alpha01;\n        }\n      }\n    }\n  }\n\n  /**\n   * True if the colorspace has components in the default range of [0, 1].\n   * This should be true for all colorspaces except for lab color spaces\n   * which are [0,100], [-128, 127], [-128, 127].\n   */\n  get usesZeroToOneRange() {\n    return shadow(this, \"usesZeroToOneRange\", true);\n  }\n\n  /**\n   * @private\n   */\n  static _cache(cacheKey, xref, localColorSpaceCache, parsedColorSpace) {\n    if (!localColorSpaceCache) {\n      throw new Error(\n        'ColorSpace._cache - expected \"localColorSpaceCache\" argument.'\n      );\n    }\n    if (!parsedColorSpace) {\n      throw new Error(\n        'ColorSpace._cache - expected \"parsedColorSpace\" argument.'\n      );\n    }\n    let csName, csRef;\n    if (cacheKey instanceof Ref) {\n      csRef = cacheKey;\n\n      // If parsing succeeded, we know that this call cannot throw.\n      cacheKey = xref.fetch(cacheKey);\n    }\n    if (cacheKey instanceof Name) {\n      csName = cacheKey.name;\n    }\n    if (csName || csRef) {\n      localColorSpaceCache.set(csName, csRef, parsedColorSpace);\n    }\n  }\n\n  static getCached(cacheKey, xref, localColorSpaceCache) {\n    if (!localColorSpaceCache) {\n      throw new Error(\n        'ColorSpace.getCached - expected \"localColorSpaceCache\" argument.'\n      );\n    }\n    if (cacheKey instanceof Ref) {\n      const localColorSpace = localColorSpaceCache.getByRef(cacheKey);\n      if (localColorSpace) {\n        return localColorSpace;\n      }\n\n      try {\n        cacheKey = xref.fetch(cacheKey);\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        // Any errors should be handled during parsing, rather than here.\n      }\n    }\n    if (cacheKey instanceof Name) {\n      const localColorSpace = localColorSpaceCache.getByName(cacheKey.name);\n      if (localColorSpace) {\n        return localColorSpace;\n      }\n    }\n    return null;\n  }\n\n  static async parseAsync({\n    cs,\n    xref,\n    resources = null,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        !this.getCached(cs, xref, localColorSpaceCache),\n        \"Expected `ColorSpace.getCached` to have been manually checked \" +\n          \"before calling `ColorSpace.parseAsync`.\"\n      );\n    }\n    const parsedColorSpace = this._parse(\n      cs,\n      xref,\n      resources,\n      pdfFunctionFactory\n    );\n\n    // Attempt to cache the parsed ColorSpace, by name and/or reference.\n    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);\n\n    return parsedColorSpace;\n  }\n\n  static parse({\n    cs,\n    xref,\n    resources = null,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    const cachedColorSpace = this.getCached(cs, xref, localColorSpaceCache);\n    if (cachedColorSpace) {\n      return cachedColorSpace;\n    }\n    const parsedColorSpace = this._parse(\n      cs,\n      xref,\n      resources,\n      pdfFunctionFactory\n    );\n\n    // Attempt to cache the parsed ColorSpace, by name and/or reference.\n    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);\n\n    return parsedColorSpace;\n  }\n\n  /**\n   * @private\n   */\n  static _parse(cs, xref, resources = null, pdfFunctionFactory) {\n    cs = xref.fetchIfRef(cs);\n    if (isName(cs)) {\n      switch (cs.name) {\n        case \"DeviceGray\":\n        case \"G\":\n          return this.singletons.gray;\n        case \"DeviceRGB\":\n        case \"RGB\":\n          return this.singletons.rgb;\n        case \"DeviceCMYK\":\n        case \"CMYK\":\n          return this.singletons.cmyk;\n        case \"Pattern\":\n          return new PatternCS(/* baseCS = */ null);\n        default:\n          if (isDict(resources)) {\n            const colorSpaces = resources.get(\"ColorSpace\");\n            if (isDict(colorSpaces)) {\n              const resourcesCS = colorSpaces.get(cs.name);\n              if (resourcesCS) {\n                if (isName(resourcesCS)) {\n                  return this._parse(\n                    resourcesCS,\n                    xref,\n                    resources,\n                    pdfFunctionFactory\n                  );\n                }\n                cs = resourcesCS;\n                break;\n              }\n            }\n          }\n          throw new FormatError(`Unrecognized ColorSpace: ${cs.name}`);\n      }\n    }\n    if (Array.isArray(cs)) {\n      const mode = xref.fetchIfRef(cs[0]).name;\n      let params, numComps, baseCS, whitePoint, blackPoint, gamma;\n\n      switch (mode) {\n        case \"DeviceGray\":\n        case \"G\":\n          return this.singletons.gray;\n        case \"DeviceRGB\":\n        case \"RGB\":\n          return this.singletons.rgb;\n        case \"DeviceCMYK\":\n        case \"CMYK\":\n          return this.singletons.cmyk;\n        case \"CalGray\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          gamma = params.get(\"Gamma\");\n          return new CalGrayCS(whitePoint, blackPoint, gamma);\n        case \"CalRGB\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          gamma = params.getArray(\"Gamma\");\n          const matrix = params.getArray(\"Matrix\");\n          return new CalRGBCS(whitePoint, blackPoint, gamma, matrix);\n        case \"ICCBased\":\n          const stream = xref.fetchIfRef(cs[1]);\n          const dict = stream.dict;\n          numComps = dict.get(\"N\");\n          const alt = dict.get(\"Alternate\");\n          if (alt) {\n            const altCS = this._parse(alt, xref, resources, pdfFunctionFactory);\n            // Ensure that the number of components are correct,\n            // and also (indirectly) that it is not a PatternCS.\n            if (altCS.numComps === numComps) {\n              return altCS;\n            }\n            warn(\"ICCBased color space: Ignoring incorrect /Alternate entry.\");\n          }\n          if (numComps === 1) {\n            return this.singletons.gray;\n          } else if (numComps === 3) {\n            return this.singletons.rgb;\n          } else if (numComps === 4) {\n            return this.singletons.cmyk;\n          }\n          break;\n        case \"Pattern\":\n          baseCS = cs[1] || null;\n          if (baseCS) {\n            baseCS = this._parse(baseCS, xref, resources, pdfFunctionFactory);\n          }\n          return new PatternCS(baseCS);\n        case \"Indexed\":\n        case \"I\":\n          baseCS = this._parse(cs[1], xref, resources, pdfFunctionFactory);\n          const hiVal = xref.fetchIfRef(cs[2]) + 1;\n          const lookup = xref.fetchIfRef(cs[3]);\n          return new IndexedCS(baseCS, hiVal, lookup);\n        case \"Separation\":\n        case \"DeviceN\":\n          const name = xref.fetchIfRef(cs[1]);\n          numComps = Array.isArray(name) ? name.length : 1;\n          baseCS = this._parse(cs[2], xref, resources, pdfFunctionFactory);\n          const tintFn = pdfFunctionFactory.create(cs[3]);\n          return new AlternateCS(numComps, baseCS, tintFn);\n        case \"Lab\":\n          params = xref.fetchIfRef(cs[1]);\n          whitePoint = params.getArray(\"WhitePoint\");\n          blackPoint = params.getArray(\"BlackPoint\");\n          const range = params.getArray(\"Range\");\n          return new LabCS(whitePoint, blackPoint, range);\n        default:\n          throw new FormatError(`Unimplemented ColorSpace object: ${mode}`);\n      }\n    }\n    throw new FormatError(`Unrecognized ColorSpace object: ${cs}`);\n  }\n\n  /**\n   * Checks if a decode map matches the default decode map for a color space.\n   * This handles the general decode maps where there are two values per\n   * component, e.g. [0, 1, 0, 1, 0, 1] for a RGB color.\n   * This does not handle Lab, Indexed, or Pattern decode maps since they are\n   * slightly different.\n   * @param {Array} decode - Decode map (usually from an image).\n   * @param {number} numComps - Number of components the color space has.\n   */\n  static isDefaultDecode(decode, numComps) {\n    if (!Array.isArray(decode)) {\n      return true;\n    }\n    if (numComps * 2 !== decode.length) {\n      warn(\"The decode map is not the correct length\");\n      return true;\n    }\n    for (let i = 0, ii = decode.length; i < ii; i += 2) {\n      if (decode[i] !== 0 || decode[i + 1] !== 1) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  static get singletons() {\n    return shadow(this, \"singletons\", {\n      get gray() {\n        return shadow(this, \"gray\", new DeviceGrayCS());\n      },\n      get rgb() {\n        return shadow(this, \"rgb\", new DeviceRgbCS());\n      },\n      get cmyk() {\n        return shadow(this, \"cmyk\", new DeviceCmykCS());\n      },\n    });\n  }\n}\n\n/**\n * Alternate color space handles both Separation and DeviceN color spaces.  A\n * Separation color space is actually just a DeviceN with one color component.\n * Both color spaces use a tinting function to convert colors to a base color\n * space.\n *\n * The default color is `new Float32Array(new Array(numComps).fill(1))`.\n */\nclass AlternateCS extends ColorSpace {\n  constructor(numComps, base, tintFn) {\n    super(\"Alternate\", numComps);\n    this.base = base;\n    this.tintFn = tintFn;\n    this.tmpBuf = new Float32Array(base.numComps);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'AlternateCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const tmpBuf = this.tmpBuf;\n    this.tintFn(src, srcOffset, tmpBuf, 0);\n    this.base.getRgbItem(tmpBuf, 0, dest, destOffset);\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'AlternateCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const tintFn = this.tintFn;\n    const base = this.base;\n    const scale = 1 / ((1 << bits) - 1);\n    const baseNumComps = base.numComps;\n    const usesZeroToOneRange = base.usesZeroToOneRange;\n    const isPassthrough =\n      (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0;\n    let pos = isPassthrough ? destOffset : 0;\n    const baseBuf = isPassthrough\n      ? dest\n      : new Uint8ClampedArray(baseNumComps * count);\n    const numComps = this.numComps;\n\n    const scaled = new Float32Array(numComps);\n    const tinted = new Float32Array(baseNumComps);\n    let i, j;\n\n    for (i = 0; i < count; i++) {\n      for (j = 0; j < numComps; j++) {\n        scaled[j] = src[srcOffset++] * scale;\n      }\n      tintFn(scaled, 0, tinted, 0);\n      if (usesZeroToOneRange) {\n        for (j = 0; j < baseNumComps; j++) {\n          baseBuf[pos++] = tinted[j] * 255;\n        }\n      } else {\n        base.getRgbItem(tinted, 0, baseBuf, pos);\n        pos += baseNumComps;\n      }\n    }\n\n    if (!isPassthrough) {\n      base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01);\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return this.base.getOutputLength(\n      (inputLength * this.base.numComps) / this.numComps,\n      alpha01\n    );\n  }\n}\n\nclass PatternCS extends ColorSpace {\n  constructor(baseCS) {\n    super(\"Pattern\", null);\n    this.base = baseCS;\n  }\n\n  isDefaultDecode(decodeMap, bpc) {\n    unreachable(\"Should not call PatternCS.isDefaultDecode\");\n  }\n}\n\n/**\n * The default color is `new Uint8Array([0])`.\n */\nclass IndexedCS extends ColorSpace {\n  constructor(base, highVal, lookup) {\n    super(\"Indexed\", 1);\n    this.base = base;\n    this.highVal = highVal;\n\n    const length = base.numComps * highVal;\n    this.lookup = new Uint8Array(length);\n\n    if (isStream(lookup)) {\n      const bytes = lookup.getBytes(length);\n      this.lookup.set(bytes);\n    } else if (typeof lookup === \"string\") {\n      for (let i = 0; i < length; ++i) {\n        this.lookup[i] = lookup.charCodeAt(i) & 0xff;\n      }\n    } else {\n      throw new FormatError(`IndexedCS - unrecognized lookup table: ${lookup}`);\n    }\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'IndexedCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const numComps = this.base.numComps;\n    const start = src[srcOffset] * numComps;\n    this.base.getRgbBuffer(this.lookup, start, 1, dest, destOffset, 8, 0);\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'IndexedCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const base = this.base;\n    const numComps = base.numComps;\n    const outputDelta = base.getOutputLength(numComps, alpha01);\n    const lookup = this.lookup;\n\n    for (let i = 0; i < count; ++i) {\n      const lookupPos = src[srcOffset++] * numComps;\n      base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01);\n      destOffset += outputDelta;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return this.base.getOutputLength(inputLength * this.base.numComps, alpha01);\n  }\n\n  isDefaultDecode(decodeMap, bpc) {\n    if (!Array.isArray(decodeMap)) {\n      return true;\n    }\n    if (decodeMap.length !== 2) {\n      warn(\"Decode map length is not correct\");\n      return true;\n    }\n    if (!Number.isInteger(bpc) || bpc < 1) {\n      warn(\"Bits per component is not correct\");\n      return true;\n    }\n    return decodeMap[0] === 0 && decodeMap[1] === (1 << bpc) - 1;\n  }\n}\n\n/**\n * The default color is `new Float32Array([0])`.\n */\nclass DeviceGrayCS extends ColorSpace {\n  constructor() {\n    super(\"DeviceGray\", 1);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceGrayCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    const c = src[srcOffset] * 255;\n    dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c;\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceGrayCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    const scale = 255 / ((1 << bits) - 1);\n    let j = srcOffset,\n      q = destOffset;\n    for (let i = 0; i < count; ++i) {\n      const c = scale * src[j++];\n      dest[q++] = c;\n      dest[q++] = c;\n      dest[q++] = c;\n      q += alpha01;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return inputLength * (3 + alpha01);\n  }\n}\n\n/**\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nclass DeviceRgbCS extends ColorSpace {\n  constructor() {\n    super(\"DeviceRGB\", 3);\n  }\n\n  getRgbItem(src, srcOffset, dest, destOffset) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceRgbCS.getRgbItem: Unsupported \"dest\" type.'\n      );\n    }\n    dest[destOffset] = src[srcOffset] * 255;\n    dest[destOffset + 1] = src[srcOffset + 1] * 255;\n    dest[destOffset + 2] = src[srcOffset + 2] * 255;\n  }\n\n  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        dest instanceof Uint8ClampedArray,\n        'DeviceRgbCS.getRgbBuffer: Unsupported \"dest\" type.'\n      );\n    }\n    if (bits === 8 && alpha01 === 0) {\n      dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset);\n      return;\n    }\n    const scale = 255 / ((1 << bits) - 1);\n    let j = srcOffset,\n      q = destOffset;\n    for (let i = 0; i < count; ++i) {\n      dest[q++] = scale * src[j++];\n      dest[q++] = scale * src[j++];\n      dest[q++] = scale * src[j++];\n      q += alpha01;\n    }\n  }\n\n  getOutputLength(inputLength, alpha01) {\n    return ((inputLength * (3 + alpha01)) / 3) | 0;\n  }\n\n  isPassthrough(bits) {\n    return bits === 8;\n  }\n}\n\n/**\n * The default color is `new Float32Array([0, 0, 0, 1])`.\n */\nconst DeviceCmykCS = (function DeviceCmykCSClosure() {\n  // The coefficients below was found using numerical analysis: the method of\n  // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors,\n  // where color_value is the tabular value from the table of sampled RGB colors\n  // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding\n  // CMYK color conversion using the estimation below:\n  //   f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255\n  function convertToRgb(src, srcOffset, srcScale, dest, destOffset) {\n    const c = src[srcOffset] * srcScale;\n    const m = src[srcOffset + 1] * srcScale;\n    const y = src[srcOffset + 2] * srcScale;\n    const k = src[srcOffset + 3] * srcScale;\n\n    dest[destOffset] =\n      255 +\n      c *\n        (-4.387332384609988 * c +\n          54.48615194189176 * m +\n          18.82290502165302 * y +\n          212.25662451639585 * k +\n          -285.2331026137004) +\n      m *\n        (1.7149763477362134 * m -\n          5.6096736904047315 * y +\n          -17.873870861415444 * k -\n          5.497006427196366) +\n      y *\n        (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) +\n      k * (-21.86122147463605 * k - 189.48180835922747);\n\n    dest[destOffset + 1] =\n      255 +\n      c *\n        (8.841041422036149 * c +\n          60.118027045597366 * m +\n          6.871425592049007 * y +\n          31.159100130055922 * k +\n          -79.2970844816548) +\n      m *\n        (-15.310361306967817 * m +\n          17.575251261109482 * y +\n          131.35250912493976 * k -\n          190.9453302588951) +\n      y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) +\n      k * (-20.737325471181034 * k - 187.80453709719578);\n\n    dest[destOffset + 2] =\n      255 +\n      c *\n        (0.8842522430003296 * c +\n          8.078677503112928 * m +\n          30.89978309703729 * y -\n          0.23883238689178934 * k +\n          -14.183576799673286) +\n      m *\n        (10.49593273432072 * m +\n          63.02378494754052 * y +\n          50.606957656360734 * k -\n          112.23884253719248) +\n      y *\n        (0.03296041114873217 * y +\n          115.60384449646641 * k +\n          -193.58209356861505) +\n      k * (-22.33816807309886 * k - 180.12613974708367);\n  }\n\n  // eslint-disable-next-line no-shadow\n  class DeviceCmykCS extends ColorSpace {\n    constructor() {\n      super(\"DeviceCMYK\", 4);\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'DeviceCmykCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(src, srcOffset, 1, dest, destOffset);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'DeviceCmykCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n      for (let i = 0; i < count; i++) {\n        convertToRgb(src, srcOffset, scale, dest, destOffset);\n        srcOffset += 4;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength / 4) * (3 + alpha01)) | 0;\n    }\n  }\n  return DeviceCmykCS;\n})();\n\n/**\n * CalGrayCS: Based on \"PDF Reference, Sixth Ed\", p.245\n *\n * The default color is `new Float32Array([0])`.\n */\nconst CalGrayCS = (function CalGrayCSClosure() {\n  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {\n    // A represents a gray component of a calibrated gray space.\n    // A <---> AG in the spec\n    const A = src[srcOffset] * scale;\n    const AG = A ** cs.G;\n\n    // Computes L as per spec. ( = cs.YW * AG )\n    // Except if other than default BlackPoint values are used.\n    const L = cs.YW * AG;\n    // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4.\n    // Convert values to rgb range [0, 255].\n    const val = Math.max(295.8 * L ** 0.333333333333333333 - 40.8, 0);\n    dest[destOffset] = val;\n    dest[destOffset + 1] = val;\n    dest[destOffset + 2] = val;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class CalGrayCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, gamma) {\n      super(\"CalGray\", 1);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space CalGray\"\n        );\n      }\n      blackPoint = blackPoint || [0, 0, 0];\n      gamma = gamma || 1;\n\n      // Translate arguments to spec variables.\n      this.XW = whitePoint[0];\n      this.YW = whitePoint[1];\n      this.ZW = whitePoint[2];\n\n      this.XB = blackPoint[0];\n      this.YB = blackPoint[1];\n      this.ZB = blackPoint[2];\n\n      this.G = gamma;\n\n      // Validate variables as per spec.\n      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {\n        throw new FormatError(\n          `Invalid WhitePoint components for ${this.name}` +\n            \", no fallback available\"\n        );\n      }\n\n      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {\n        info(`Invalid BlackPoint for ${this.name}, falling back to default.`);\n        this.XB = this.YB = this.ZB = 0;\n      }\n\n      if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) {\n        warn(\n          `${this.name}, BlackPoint: XB: ${this.XB}, YB: ${this.YB}, ` +\n            `ZB: ${this.ZB}, only default values are supported.`\n        );\n      }\n\n      if (this.G < 1) {\n        info(\n          `Invalid Gamma: ${this.G} for ${this.name}, ` +\n            \"falling back to default.\"\n        );\n        this.G = 1;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalGrayCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, dest, destOffset, 1);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalGrayCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n\n      for (let i = 0; i < count; ++i) {\n        convertToRgb(this, src, srcOffset, dest, destOffset, scale);\n        srcOffset += 1;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return inputLength * (3 + alpha01);\n    }\n  }\n  return CalGrayCS;\n})();\n\n/**\n * CalRGBCS: Based on \"PDF Reference, Sixth Ed\", p.247\n *\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nconst CalRGBCS = (function CalRGBCSClosure() {\n  // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these\n  // matrices.\n  // prettier-ignore\n  const BRADFORD_SCALE_MATRIX = new Float32Array([\n    0.8951, 0.2664, -0.1614,\n    -0.7502, 1.7135, 0.0367,\n    0.0389, -0.0685, 1.0296]);\n\n  // prettier-ignore\n  const BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([\n    0.9869929, -0.1470543, 0.1599627,\n    0.4323053, 0.5183603, 0.0492912,\n    -0.0085287, 0.0400428, 0.9684867]);\n\n  // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html.\n  // prettier-ignore\n  const SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([\n    3.2404542, -1.5371385, -0.4985314,\n    -0.9692660, 1.8760108, 0.0415560,\n    0.0556434, -0.2040259, 1.0572252]);\n\n  const FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]);\n\n  const tempNormalizeMatrix = new Float32Array(3);\n  const tempConvertMatrix1 = new Float32Array(3);\n  const tempConvertMatrix2 = new Float32Array(3);\n\n  const DECODE_L_CONSTANT = ((8 + 16) / 116) ** 3 / 8.0;\n\n  function matrixProduct(a, b, result) {\n    result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2];\n    result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2];\n    result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2];\n  }\n\n  function convertToFlat(sourceWhitePoint, LMS, result) {\n    result[0] = (LMS[0] * 1) / sourceWhitePoint[0];\n    result[1] = (LMS[1] * 1) / sourceWhitePoint[1];\n    result[2] = (LMS[2] * 1) / sourceWhitePoint[2];\n  }\n\n  function convertToD65(sourceWhitePoint, LMS, result) {\n    const D65X = 0.95047;\n    const D65Y = 1;\n    const D65Z = 1.08883;\n\n    result[0] = (LMS[0] * D65X) / sourceWhitePoint[0];\n    result[1] = (LMS[1] * D65Y) / sourceWhitePoint[1];\n    result[2] = (LMS[2] * D65Z) / sourceWhitePoint[2];\n  }\n\n  function sRGBTransferFunction(color) {\n    // See http://en.wikipedia.org/wiki/SRGB.\n    if (color <= 0.0031308) {\n      return adjustToRange(0, 1, 12.92 * color);\n    }\n    // Optimization:\n    // If color is close enough to 1, skip calling the following transform\n    // since calling Math.pow is expensive. If color is larger than\n    // the threshold, the final result is larger than 254.5 since\n    // ((1 + 0.055) * 0.99554525 ** (1 / 2.4) - 0.055) * 255 ===\n    // 254.50000003134699\n    if (color >= 0.99554525) {\n      return 1;\n    }\n    return adjustToRange(0, 1, (1 + 0.055) * color ** (1 / 2.4) - 0.055);\n  }\n\n  function adjustToRange(min, max, value) {\n    return Math.max(min, Math.min(max, value));\n  }\n\n  function decodeL(L) {\n    if (L < 0) {\n      return -decodeL(-L);\n    }\n    if (L > 8.0) {\n      return ((L + 16) / 116) ** 3;\n    }\n    return L * DECODE_L_CONSTANT;\n  }\n\n  function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) {\n    // In case the blackPoint is already the default blackPoint then there is\n    // no need to do compensation.\n    if (\n      sourceBlackPoint[0] === 0 &&\n      sourceBlackPoint[1] === 0 &&\n      sourceBlackPoint[2] === 0\n    ) {\n      result[0] = XYZ_Flat[0];\n      result[1] = XYZ_Flat[1];\n      result[2] = XYZ_Flat[2];\n      return;\n    }\n\n    // For the blackPoint calculation details, please see\n    // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/\n    // AdobeBPC.pdf.\n    // The destination blackPoint is the default blackPoint [0, 0, 0].\n    const zeroDecodeL = decodeL(0);\n\n    const X_DST = zeroDecodeL;\n    const X_SRC = decodeL(sourceBlackPoint[0]);\n\n    const Y_DST = zeroDecodeL;\n    const Y_SRC = decodeL(sourceBlackPoint[1]);\n\n    const Z_DST = zeroDecodeL;\n    const Z_SRC = decodeL(sourceBlackPoint[2]);\n\n    const X_Scale = (1 - X_DST) / (1 - X_SRC);\n    const X_Offset = 1 - X_Scale;\n\n    const Y_Scale = (1 - Y_DST) / (1 - Y_SRC);\n    const Y_Offset = 1 - Y_Scale;\n\n    const Z_Scale = (1 - Z_DST) / (1 - Z_SRC);\n    const Z_Offset = 1 - Z_Scale;\n\n    result[0] = XYZ_Flat[0] * X_Scale + X_Offset;\n    result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset;\n    result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset;\n  }\n\n  function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) {\n    // In case the whitePoint is already flat then there is no need to do\n    // normalization.\n    if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) {\n      result[0] = XYZ_In[0];\n      result[1] = XYZ_In[1];\n      result[2] = XYZ_In[2];\n      return;\n    }\n\n    const LMS = result;\n    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);\n\n    const LMS_Flat = tempNormalizeMatrix;\n    convertToFlat(sourceWhitePoint, LMS, LMS_Flat);\n\n    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result);\n  }\n\n  function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) {\n    const LMS = result;\n    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);\n\n    const LMS_D65 = tempNormalizeMatrix;\n    convertToD65(sourceWhitePoint, LMS, LMS_D65);\n\n    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result);\n  }\n\n  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {\n    // A, B and C represent a red, green and blue components of a calibrated\n    // rgb space.\n    const A = adjustToRange(0, 1, src[srcOffset] * scale);\n    const B = adjustToRange(0, 1, src[srcOffset + 1] * scale);\n    const C = adjustToRange(0, 1, src[srcOffset + 2] * scale);\n\n    // A <---> AGR in the spec\n    // B <---> BGG in the spec\n    // C <---> CGB in the spec\n    const AGR = A === 1 ? 1 : A ** cs.GR;\n    const BGG = B === 1 ? 1 : B ** cs.GG;\n    const CGB = C === 1 ? 1 : C ** cs.GB;\n\n    // Computes intermediate variables L, M, N as per spec.\n    // To decode X, Y, Z values map L, M, N directly to them.\n    const X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB;\n    const Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB;\n    const Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB;\n\n    // The following calculations are based on this document:\n    // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/\n    // AdobeBPC.pdf.\n    const XYZ = tempConvertMatrix1;\n    XYZ[0] = X;\n    XYZ[1] = Y;\n    XYZ[2] = Z;\n    const XYZ_Flat = tempConvertMatrix2;\n\n    normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat);\n\n    const XYZ_Black = tempConvertMatrix1;\n    compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black);\n\n    const XYZ_D65 = tempConvertMatrix2;\n    normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65);\n\n    const SRGB = tempConvertMatrix1;\n    matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB);\n\n    // Convert the values to rgb range [0, 255].\n    dest[destOffset] = sRGBTransferFunction(SRGB[0]) * 255;\n    dest[destOffset + 1] = sRGBTransferFunction(SRGB[1]) * 255;\n    dest[destOffset + 2] = sRGBTransferFunction(SRGB[2]) * 255;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class CalRGBCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, gamma, matrix) {\n      super(\"CalRGB\", 3);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space CalRGB\"\n        );\n      }\n      blackPoint = blackPoint || new Float32Array(3);\n      gamma = gamma || new Float32Array([1, 1, 1]);\n      matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]);\n\n      // Translate arguments to spec variables.\n      const XW = whitePoint[0];\n      const YW = whitePoint[1];\n      const ZW = whitePoint[2];\n      this.whitePoint = whitePoint;\n\n      const XB = blackPoint[0];\n      const YB = blackPoint[1];\n      const ZB = blackPoint[2];\n      this.blackPoint = blackPoint;\n\n      this.GR = gamma[0];\n      this.GG = gamma[1];\n      this.GB = gamma[2];\n\n      this.MXA = matrix[0];\n      this.MYA = matrix[1];\n      this.MZA = matrix[2];\n      this.MXB = matrix[3];\n      this.MYB = matrix[4];\n      this.MZB = matrix[5];\n      this.MXC = matrix[6];\n      this.MYC = matrix[7];\n      this.MZC = matrix[8];\n\n      // Validate variables as per spec.\n      if (XW < 0 || ZW < 0 || YW !== 1) {\n        throw new FormatError(\n          `Invalid WhitePoint components for ${this.name}` +\n            \", no fallback available\"\n        );\n      }\n\n      if (XB < 0 || YB < 0 || ZB < 0) {\n        info(\n          `Invalid BlackPoint for ${this.name} [${XB}, ${YB}, ${ZB}], ` +\n            \"falling back to default.\"\n        );\n        this.blackPoint = new Float32Array(3);\n      }\n\n      if (this.GR < 0 || this.GG < 0 || this.GB < 0) {\n        info(\n          `Invalid Gamma [${this.GR}, ${this.GG}, ${this.GB}] for ` +\n            `${this.name}, falling back to default.`\n        );\n        this.GR = this.GG = this.GB = 1;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalRGBCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, dest, destOffset, 1);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'CalRGBCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const scale = 1 / ((1 << bits) - 1);\n\n      for (let i = 0; i < count; ++i) {\n        convertToRgb(this, src, srcOffset, dest, destOffset, scale);\n        srcOffset += 3;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength * (3 + alpha01)) / 3) | 0;\n    }\n  }\n  return CalRGBCS;\n})();\n\n/**\n * LabCS: Based on \"PDF Reference, Sixth Ed\", p.250\n *\n * The default color is `new Float32Array([0, 0, 0])`.\n */\nconst LabCS = (function LabCSClosure() {\n  // Function g(x) from spec\n  function fn_g(x) {\n    let result;\n    if (x >= 6 / 29) {\n      result = x * x * x;\n    } else {\n      result = (108 / 841) * (x - 4 / 29);\n    }\n    return result;\n  }\n\n  function decode(value, high1, low2, high2) {\n    return low2 + (value * (high2 - low2)) / high1;\n  }\n\n  // If decoding is needed maxVal should be 2^bits per component - 1.\n  function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) {\n    // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax]\n    // not the usual [0, 1]. If a command like setFillColor is used the src\n    // values will already be within the correct range. However, if we are\n    // converting an image we have to map the values to the correct range given\n    // above.\n    // Ls,as,bs <---> L*,a*,b* in the spec\n    let Ls = src[srcOffset];\n    let as = src[srcOffset + 1];\n    let bs = src[srcOffset + 2];\n    if (maxVal !== false) {\n      Ls = decode(Ls, maxVal, 0, 100);\n      as = decode(as, maxVal, cs.amin, cs.amax);\n      bs = decode(bs, maxVal, cs.bmin, cs.bmax);\n    }\n\n    // Adjust limits of 'as' and 'bs'\n    if (as > cs.amax) {\n      as = cs.amax;\n    } else if (as < cs.amin) {\n      as = cs.amin;\n    }\n    if (bs > cs.bmax) {\n      bs = cs.bmax;\n    } else if (bs < cs.bmin) {\n      bs = cs.bmin;\n    }\n\n    // Computes intermediate variables X,Y,Z as per spec\n    const M = (Ls + 16) / 116;\n    const L = M + as / 500;\n    const N = M - bs / 200;\n\n    const X = cs.XW * fn_g(L);\n    const Y = cs.YW * fn_g(M);\n    const Z = cs.ZW * fn_g(N);\n\n    let r, g, b;\n    // Using different conversions for D50 and D65 white points,\n    // per http://www.color.org/srgb.pdf\n    if (cs.ZW < 1) {\n      // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249)\n      r = X * 3.1339 + Y * -1.617 + Z * -0.4906;\n      g = X * -0.9785 + Y * 1.916 + Z * 0.0333;\n      b = X * 0.072 + Y * -0.229 + Z * 1.4057;\n    } else {\n      // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888)\n      r = X * 3.2406 + Y * -1.5372 + Z * -0.4986;\n      g = X * -0.9689 + Y * 1.8758 + Z * 0.0415;\n      b = X * 0.0557 + Y * -0.204 + Z * 1.057;\n    }\n    // Convert the color values to the [0,255] range (clamping is automatic).\n    dest[destOffset] = Math.sqrt(r) * 255;\n    dest[destOffset + 1] = Math.sqrt(g) * 255;\n    dest[destOffset + 2] = Math.sqrt(b) * 255;\n  }\n\n  // eslint-disable-next-line no-shadow\n  class LabCS extends ColorSpace {\n    constructor(whitePoint, blackPoint, range) {\n      super(\"Lab\", 3);\n\n      if (!whitePoint) {\n        throw new FormatError(\n          \"WhitePoint missing - required for color space Lab\"\n        );\n      }\n      blackPoint = blackPoint || [0, 0, 0];\n      range = range || [-100, 100, -100, 100];\n\n      // Translate args to spec variables\n      this.XW = whitePoint[0];\n      this.YW = whitePoint[1];\n      this.ZW = whitePoint[2];\n      this.amin = range[0];\n      this.amax = range[1];\n      this.bmin = range[2];\n      this.bmax = range[3];\n\n      // These are here just for completeness - the spec doesn't offer any\n      // formulas that use BlackPoint in Lab\n      this.XB = blackPoint[0];\n      this.YB = blackPoint[1];\n      this.ZB = blackPoint[2];\n\n      // Validate vars as per spec\n      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {\n        throw new FormatError(\n          \"Invalid WhitePoint components, no fallback available\"\n        );\n      }\n\n      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {\n        info(\"Invalid BlackPoint, falling back to default\");\n        this.XB = this.YB = this.ZB = 0;\n      }\n\n      if (this.amin > this.amax || this.bmin > this.bmax) {\n        info(\"Invalid Range, falling back to defaults\");\n        this.amin = -100;\n        this.amax = 100;\n        this.bmin = -100;\n        this.bmax = 100;\n      }\n    }\n\n    getRgbItem(src, srcOffset, dest, destOffset) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'LabCS.getRgbItem: Unsupported \"dest\" type.'\n        );\n      }\n      convertToRgb(this, src, srcOffset, false, dest, destOffset);\n    }\n\n    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          dest instanceof Uint8ClampedArray,\n          'LabCS.getRgbBuffer: Unsupported \"dest\" type.'\n        );\n      }\n      const maxVal = (1 << bits) - 1;\n      for (let i = 0; i < count; i++) {\n        convertToRgb(this, src, srcOffset, maxVal, dest, destOffset);\n        srcOffset += 3;\n        destOffset += 3 + alpha01;\n      }\n    }\n\n    getOutputLength(inputLength, alpha01) {\n      return ((inputLength * (3 + alpha01)) / 3) | 0;\n    }\n\n    isDefaultDecode(decodeMap, bpc) {\n      // XXX: Decoding is handled with the lab conversion because of the strange\n      // ranges that are used.\n      return true;\n    }\n\n    get usesZeroToOneRange() {\n      return shadow(this, \"usesZeroToOneRange\", false);\n    }\n  }\n  return LabCS;\n})();\n\nexport { ColorSpace };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, info, shadow, unreachable } from \"../shared/util.js\";\nimport { RefSetCache } from \"./primitives.js\";\n\nclass BaseLocalCache {\n  constructor(options) {\n    if (this.constructor === BaseLocalCache) {\n      unreachable(\"Cannot initialize BaseLocalCache.\");\n    }\n    if (!options || !options.onlyRefs) {\n      this._nameRefMap = new Map();\n      this._imageMap = new Map();\n    }\n    this._imageCache = new RefSetCache();\n  }\n\n  getByName(name) {\n    const ref = this._nameRefMap.get(name);\n    if (ref) {\n      return this.getByRef(ref);\n    }\n    return this._imageMap.get(name) || null;\n  }\n\n  getByRef(ref) {\n    return this._imageCache.get(ref) || null;\n  }\n\n  set(name, ref, data) {\n    unreachable(\"Abstract method `set` called.\");\n  }\n}\n\nclass LocalImageCache extends BaseLocalCache {\n  set(name, ref = null, data) {\n    if (!name) {\n      throw new Error('LocalImageCache.set - expected \"name\" argument.');\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      this._nameRefMap.set(name, ref);\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass LocalColorSpaceCache extends BaseLocalCache {\n  set(name = null, ref = null, data) {\n    if (!name && !ref) {\n      throw new Error(\n        'LocalColorSpaceCache.set - expected \"name\" and/or \"ref\" argument.'\n      );\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      if (name) {\n        // Optional when `ref` is defined.\n        this._nameRefMap.set(name, ref);\n      }\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass LocalFunctionCache extends BaseLocalCache {\n  constructor(options) {\n    super({ onlyRefs: true });\n  }\n\n  getByName(name) {\n    unreachable(\"Should not call `getByName` method.\");\n  }\n\n  set(name = null, ref, data) {\n    if (!ref) {\n      throw new Error('LocalFunctionCache.set - expected \"ref\" argument.');\n    }\n    if (this._imageCache.has(ref)) {\n      return;\n    }\n    this._imageCache.put(ref, data);\n  }\n}\n\nclass LocalGStateCache extends BaseLocalCache {\n  set(name, ref = null, data) {\n    if (!name) {\n      throw new Error('LocalGStateCache.set - expected \"name\" argument.');\n    }\n    if (ref) {\n      if (this._imageCache.has(ref)) {\n        return;\n      }\n      this._nameRefMap.set(name, ref);\n      this._imageCache.put(ref, data);\n      return;\n    }\n    // name\n    if (this._imageMap.has(name)) {\n      return;\n    }\n    this._imageMap.set(name, data);\n  }\n}\n\nclass GlobalImageCache {\n  static get NUM_PAGES_THRESHOLD() {\n    return shadow(this, \"NUM_PAGES_THRESHOLD\", 2);\n  }\n\n  static get MAX_IMAGES_TO_CACHE() {\n    return shadow(this, \"MAX_IMAGES_TO_CACHE\", 10);\n  }\n\n  constructor() {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        GlobalImageCache.NUM_PAGES_THRESHOLD > 1,\n        \"GlobalImageCache - invalid NUM_PAGES_THRESHOLD constant.\"\n      );\n    }\n    this._refCache = new RefSetCache();\n    this._imageCache = new RefSetCache();\n  }\n\n  shouldCache(ref, pageIndex) {\n    const pageIndexSet = this._refCache.get(ref);\n    const numPages = pageIndexSet\n      ? pageIndexSet.size + (pageIndexSet.has(pageIndex) ? 0 : 1)\n      : 1;\n\n    if (numPages < GlobalImageCache.NUM_PAGES_THRESHOLD) {\n      return false;\n    }\n    if (\n      !this._imageCache.has(ref) &&\n      this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE\n    ) {\n      return false;\n    }\n    return true;\n  }\n\n  addPageIndex(ref, pageIndex) {\n    let pageIndexSet = this._refCache.get(ref);\n    if (!pageIndexSet) {\n      pageIndexSet = new Set();\n      this._refCache.put(ref, pageIndexSet);\n    }\n    pageIndexSet.add(pageIndex);\n  }\n\n  getData(ref, pageIndex) {\n    const pageIndexSet = this._refCache.get(ref);\n    if (!pageIndexSet) {\n      return null;\n    }\n    if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {\n      return null;\n    }\n    if (!this._imageCache.has(ref)) {\n      return null;\n    }\n    // Ensure that we keep track of all pages containing the image reference.\n    pageIndexSet.add(pageIndex);\n\n    return this._imageCache.get(ref);\n  }\n\n  setData(ref, data) {\n    if (!this._refCache.has(ref)) {\n      throw new Error(\n        'GlobalImageCache.setData - expected \"addPageIndex\" to have been called.'\n      );\n    }\n    if (this._imageCache.has(ref)) {\n      return;\n    }\n    if (this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {\n      info(\n        \"GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE.\"\n      );\n      return;\n    }\n    this._imageCache.put(ref, data);\n  }\n\n  clear(onlyData = false) {\n    if (!onlyData) {\n      this._refCache.clear();\n    }\n    this._imageCache.clear();\n  }\n}\n\nexport {\n  LocalImageCache,\n  LocalColorSpaceCache,\n  LocalFunctionCache,\n  LocalGStateCache,\n  GlobalImageCache,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport {\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationReplyType,\n  AnnotationType,\n  assert,\n  escapeString,\n  getModificationDate,\n  isString,\n  OPS,\n  stringToPDFString,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { Catalog, FileSpec, ObjectLoader } from \"./obj.js\";\nimport { Dict, isDict, isName, isRef, isStream, Name } from \"./primitives.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { getInheritableProperty } from \"./core_utils.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { StringStream } from \"./stream.js\";\nimport { writeDict } from \"./writer.js\";\n\nclass AnnotationFactory {\n  /**\n   * Create an `Annotation` object of the correct type for the given reference\n   * to an annotation dictionary. This yields a promise that is resolved when\n   * the `Annotation` object is constructed.\n   *\n   * @param {XRef} xref\n   * @param {Object} ref\n   * @param {PDFManager} pdfManager\n   * @param {Object} idFactory\n   * @returns {Promise} A promise that is resolved with an {Annotation}\n   *   instance.\n   */\n  static create(xref, ref, pdfManager, idFactory) {\n    return pdfManager.ensureCatalog(\"acroForm\").then(acroForm => {\n      return pdfManager.ensure(this, \"_create\", [\n        xref,\n        ref,\n        pdfManager,\n        idFactory,\n        acroForm,\n      ]);\n    });\n  }\n\n  /**\n   * @private\n   */\n  static _create(xref, ref, pdfManager, idFactory, acroForm) {\n    const dict = xref.fetchIfRef(ref);\n    if (!isDict(dict)) {\n      return undefined;\n    }\n\n    const id = isRef(ref) ? ref.toString() : `annot_${idFactory.createObjId()}`;\n\n    // Determine the annotation's subtype.\n    let subtype = dict.get(\"Subtype\");\n    subtype = isName(subtype) ? subtype.name : null;\n\n    // Return the right annotation object based on the subtype and field type.\n    const parameters = {\n      xref,\n      ref,\n      dict,\n      subtype,\n      id,\n      pdfManager,\n      acroForm: acroForm instanceof Dict ? acroForm : Dict.empty,\n    };\n\n    switch (subtype) {\n      case \"Link\":\n        return new LinkAnnotation(parameters);\n\n      case \"Text\":\n        return new TextAnnotation(parameters);\n\n      case \"Widget\":\n        let fieldType = getInheritableProperty({ dict, key: \"FT\" });\n        fieldType = isName(fieldType) ? fieldType.name : null;\n\n        switch (fieldType) {\n          case \"Tx\":\n            return new TextWidgetAnnotation(parameters);\n          case \"Btn\":\n            return new ButtonWidgetAnnotation(parameters);\n          case \"Ch\":\n            return new ChoiceWidgetAnnotation(parameters);\n        }\n        warn(\n          'Unimplemented widget field type \"' +\n            fieldType +\n            '\", ' +\n            \"falling back to base field type.\"\n        );\n        return new WidgetAnnotation(parameters);\n\n      case \"Popup\":\n        return new PopupAnnotation(parameters);\n\n      case \"FreeText\":\n        return new FreeTextAnnotation(parameters);\n\n      case \"Line\":\n        return new LineAnnotation(parameters);\n\n      case \"Square\":\n        return new SquareAnnotation(parameters);\n\n      case \"Circle\":\n        return new CircleAnnotation(parameters);\n\n      case \"PolyLine\":\n        return new PolylineAnnotation(parameters);\n\n      case \"Polygon\":\n        return new PolygonAnnotation(parameters);\n\n      case \"Caret\":\n        return new CaretAnnotation(parameters);\n\n      case \"Ink\":\n        return new InkAnnotation(parameters);\n\n      case \"Highlight\":\n        return new HighlightAnnotation(parameters);\n\n      case \"Underline\":\n        return new UnderlineAnnotation(parameters);\n\n      case \"Squiggly\":\n        return new SquigglyAnnotation(parameters);\n\n      case \"StrikeOut\":\n        return new StrikeOutAnnotation(parameters);\n\n      case \"Stamp\":\n        return new StampAnnotation(parameters);\n\n      case \"FileAttachment\":\n        return new FileAttachmentAnnotation(parameters);\n\n      default:\n        if (!subtype) {\n          warn(\"Annotation is missing the required /Subtype.\");\n        } else {\n          warn(\n            'Unimplemented annotation type \"' +\n              subtype +\n              '\", ' +\n              \"falling back to base annotation.\"\n          );\n        }\n        return new Annotation(parameters);\n    }\n  }\n}\n\nfunction getQuadPoints(dict, rect) {\n  if (!dict.has(\"QuadPoints\")) {\n    return null;\n  }\n\n  // The region is described as a number of quadrilaterals.\n  // Each quadrilateral must consist of eight coordinates.\n  const quadPoints = dict.getArray(\"QuadPoints\");\n  if (!Array.isArray(quadPoints) || quadPoints.length % 8 > 0) {\n    return null;\n  }\n\n  const quadPointsLists = [];\n  for (let i = 0, ii = quadPoints.length / 8; i < ii; i++) {\n    // Each series of eight numbers represents the coordinates for one\n    // quadrilateral in the order [x1, y1, x2, y2, x3, y3, x4, y4].\n    // Convert this to an array of objects with x and y coordinates.\n    quadPointsLists.push([]);\n    for (let j = i * 8, jj = i * 8 + 8; j < jj; j += 2) {\n      const x = quadPoints[j];\n      const y = quadPoints[j + 1];\n\n      // The quadpoints should be ignored if any coordinate in the array\n      // lies outside the region specified by the rectangle.\n      if (x < rect[0] || x > rect[2] || y < rect[1] || y > rect[3]) {\n        return null;\n      }\n      quadPointsLists[i].push({ x, y });\n    }\n  }\n  return quadPointsLists;\n}\n\nfunction getTransformMatrix(rect, bbox, matrix) {\n  // 12.5.5: Algorithm: Appearance streams\n  const [minX, minY, maxX, maxY] = Util.getAxialAlignedBoundingBox(\n    bbox,\n    matrix\n  );\n  if (minX === maxX || minY === maxY) {\n    // From real-life file, bbox was [0, 0, 0, 0]. In this case,\n    // just apply the transform for rect\n    return [1, 0, 0, 1, rect[0], rect[1]];\n  }\n\n  const xRatio = (rect[2] - rect[0]) / (maxX - minX);\n  const yRatio = (rect[3] - rect[1]) / (maxY - minY);\n  return [\n    xRatio,\n    0,\n    0,\n    yRatio,\n    rect[0] - minX * xRatio,\n    rect[1] - minY * yRatio,\n  ];\n}\n\nclass Annotation {\n  constructor(params) {\n    const dict = params.dict;\n\n    this.setContents(dict.get(\"Contents\"));\n    this.setModificationDate(dict.get(\"M\"));\n    this.setFlags(dict.get(\"F\"));\n    this.setRectangle(dict.getArray(\"Rect\"));\n    this.setColor(dict.getArray(\"C\"));\n    this.setBorderStyle(dict);\n    this.setAppearance(dict);\n\n    // Expose public properties using a data object.\n    this.data = {\n      annotationFlags: this.flags,\n      borderStyle: this.borderStyle,\n      color: this.color,\n      contents: this.contents,\n      hasAppearance: !!this.appearance,\n      id: params.id,\n      modificationDate: this.modificationDate,\n      rect: this.rectangle,\n      subtype: params.subtype,\n    };\n  }\n\n  /**\n   * @private\n   */\n  _hasFlag(flags, flag) {\n    return !!(flags & flag);\n  }\n\n  /**\n   * @private\n   */\n  _isViewable(flags) {\n    return (\n      !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&\n      !this._hasFlag(flags, AnnotationFlag.HIDDEN) &&\n      !this._hasFlag(flags, AnnotationFlag.NOVIEW)\n    );\n  }\n\n  /**\n   * @private\n   */\n  _isPrintable(flags) {\n    return (\n      this._hasFlag(flags, AnnotationFlag.PRINT) &&\n      !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&\n      !this._hasFlag(flags, AnnotationFlag.HIDDEN)\n    );\n  }\n\n  /**\n   * @type {boolean}\n   */\n  get viewable() {\n    if (this.flags === 0) {\n      return true;\n    }\n    return this._isViewable(this.flags);\n  }\n\n  /**\n   * @type {boolean}\n   */\n  get printable() {\n    if (this.flags === 0) {\n      return false;\n    }\n    return this._isPrintable(this.flags);\n  }\n\n  /**\n   * Set the contents.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {string} contents - Text to display for the annotation or, if the\n   *                            type of annotation does not display text, a\n   *                            description of the annotation's contents\n   */\n  setContents(contents) {\n    this.contents = stringToPDFString(contents || \"\");\n  }\n\n  /**\n   * Set the modification date.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {string} modificationDate - PDF date string that indicates when the\n   *                                    annotation was last modified\n   */\n  setModificationDate(modificationDate) {\n    this.modificationDate = isString(modificationDate)\n      ? modificationDate\n      : null;\n  }\n\n  /**\n   * Set the flags.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {number} flags - Unsigned 32-bit integer specifying annotation\n   *                         characteristics\n   * @see {@link shared/util.js}\n   */\n  setFlags(flags) {\n    this.flags = Number.isInteger(flags) && flags > 0 ? flags : 0;\n  }\n\n  /**\n   * Check if a provided flag is set.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {number} flag - Hexadecimal representation for an annotation\n   *                        characteristic\n   * @returns {boolean}\n   * @see {@link shared/util.js}\n   */\n  hasFlag(flag) {\n    return this._hasFlag(this.flags, flag);\n  }\n\n  /**\n   * Set the rectangle.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Array} rectangle - The rectangle array with exactly four entries\n   */\n  setRectangle(rectangle) {\n    if (Array.isArray(rectangle) && rectangle.length === 4) {\n      this.rectangle = Util.normalizeRect(rectangle);\n    } else {\n      this.rectangle = [0, 0, 0, 0];\n    }\n  }\n\n  /**\n   * Set the color and take care of color space conversion.\n   * The default value is black, in RGB color space.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Array} color - The color array containing either 0\n   *                        (transparent), 1 (grayscale), 3 (RGB) or\n   *                        4 (CMYK) elements\n   */\n  setColor(color) {\n    const rgbColor = new Uint8ClampedArray(3);\n    if (!Array.isArray(color)) {\n      this.color = rgbColor;\n      return;\n    }\n\n    switch (color.length) {\n      case 0: // Transparent, which we indicate with a null value\n        this.color = null;\n        break;\n\n      case 1: // Convert grayscale to RGB\n        ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      case 3: // Convert RGB percentages to RGB\n        ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      case 4: // Convert CMYK to RGB\n        ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);\n        this.color = rgbColor;\n        break;\n\n      default:\n        this.color = rgbColor;\n        break;\n    }\n  }\n\n  /**\n   * Set the border style (as AnnotationBorderStyle object).\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Dict} borderStyle - The border style dictionary\n   */\n  setBorderStyle(borderStyle) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(this.rectangle, \"setRectangle must have been called previously.\");\n    }\n\n    this.borderStyle = new AnnotationBorderStyle();\n    if (!isDict(borderStyle)) {\n      return;\n    }\n    if (borderStyle.has(\"BS\")) {\n      const dict = borderStyle.get(\"BS\");\n      const dictType = dict.get(\"Type\");\n\n      if (!dictType || isName(dictType, \"Border\")) {\n        this.borderStyle.setWidth(dict.get(\"W\"), this.rectangle);\n        this.borderStyle.setStyle(dict.get(\"S\"));\n        this.borderStyle.setDashArray(dict.getArray(\"D\"));\n      }\n    } else if (borderStyle.has(\"Border\")) {\n      const array = borderStyle.getArray(\"Border\");\n      if (Array.isArray(array) && array.length >= 3) {\n        this.borderStyle.setHorizontalCornerRadius(array[0]);\n        this.borderStyle.setVerticalCornerRadius(array[1]);\n        this.borderStyle.setWidth(array[2], this.rectangle);\n\n        if (array.length === 4) {\n          // Dash array available\n          this.borderStyle.setDashArray(array[3]);\n        }\n      }\n    } else {\n      // There are no border entries in the dictionary. According to the\n      // specification, we should draw a solid border of width 1 in that\n      // case, but Adobe Reader did not implement that part of the\n      // specification and instead draws no border at all, so we do the same.\n      // See also https://github.com/mozilla/pdf.js/issues/6179.\n      this.borderStyle.setWidth(0);\n    }\n  }\n\n  /**\n   * Set the (normal) appearance.\n   *\n   * @public\n   * @memberof Annotation\n   * @param {Dict} dict - The annotation's data dictionary\n   */\n  setAppearance(dict) {\n    this.appearance = null;\n\n    const appearanceStates = dict.get(\"AP\");\n    if (!isDict(appearanceStates)) {\n      return;\n    }\n\n    // In case the normal appearance is a stream, then it is used directly.\n    const normalAppearanceState = appearanceStates.get(\"N\");\n    if (isStream(normalAppearanceState)) {\n      this.appearance = normalAppearanceState;\n      return;\n    }\n    if (!isDict(normalAppearanceState)) {\n      return;\n    }\n\n    // In case the normal appearance is a dictionary, the `AS` entry provides\n    // the key of the stream in this dictionary.\n    const as = dict.get(\"AS\");\n    if (!isName(as) || !normalAppearanceState.has(as.name)) {\n      return;\n    }\n    this.appearance = normalAppearanceState.get(as.name);\n  }\n\n  loadResources(keys) {\n    return this.appearance.dict.getAsync(\"Resources\").then(resources => {\n      if (!resources) {\n        return undefined;\n      }\n\n      const objectLoader = new ObjectLoader(resources, keys, resources.xref);\n      return objectLoader.load().then(function () {\n        return resources;\n      });\n    });\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    if (!this.appearance) {\n      return Promise.resolve(new OperatorList());\n    }\n\n    const appearance = this.appearance;\n    const data = this.data;\n    const appearanceDict = appearance.dict;\n    const resourcesPromise = this.loadResources([\n      \"ExtGState\",\n      \"ColorSpace\",\n      \"Pattern\",\n      \"Shading\",\n      \"XObject\",\n      \"Font\",\n    ]);\n    const bbox = appearanceDict.getArray(\"BBox\") || [0, 0, 1, 1];\n    const matrix = appearanceDict.getArray(\"Matrix\") || [1, 0, 0, 1, 0, 0];\n    const transform = getTransformMatrix(data.rect, bbox, matrix);\n\n    return resourcesPromise.then(resources => {\n      const opList = new OperatorList();\n      opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]);\n      return evaluator\n        .getOperatorList({\n          stream: appearance,\n          task,\n          resources,\n          operatorList: opList,\n        })\n        .then(() => {\n          opList.addOp(OPS.endAnnotation, []);\n          appearance.reset();\n          return opList;\n        });\n    });\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    return null;\n  }\n}\n\n/**\n * Contains all data regarding an annotation's border style.\n */\nclass AnnotationBorderStyle {\n  constructor() {\n    this.width = 1;\n    this.style = AnnotationBorderStyleType.SOLID;\n    this.dashArray = [3];\n    this.horizontalCornerRadius = 0;\n    this.verticalCornerRadius = 0;\n  }\n\n  /**\n   * Set the width.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} width - The width.\n   * @param {Array} rect - The annotation `Rect` entry.\n   */\n  setWidth(width, rect = [0, 0, 0, 0]) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        Array.isArray(rect) && rect.length === 4,\n        \"A valid `rect` parameter must be provided.\"\n      );\n    }\n\n    // Some corrupt PDF generators may provide the width as a `Name`,\n    // rather than as a number (fixes issue 10385).\n    if (isName(width)) {\n      this.width = 0; // This is consistent with the behaviour in Adobe Reader.\n      return;\n    }\n    if (Number.isInteger(width)) {\n      if (width > 0) {\n        const maxWidth = (rect[2] - rect[0]) / 2;\n        const maxHeight = (rect[3] - rect[1]) / 2;\n\n        // Ignore large `width`s, since they lead to the Annotation overflowing\n        // the size set by the `Rect` entry thus causing the `annotationLayer`\n        // to render it over the surrounding document (fixes bug1552113.pdf).\n        if (\n          maxWidth > 0 &&\n          maxHeight > 0 &&\n          (width > maxWidth || width > maxHeight)\n        ) {\n          warn(`AnnotationBorderStyle.setWidth - ignoring width: ${width}`);\n          width = 1;\n        }\n      }\n      this.width = width;\n    }\n  }\n\n  /**\n   * Set the style.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {Name} style - The annotation style.\n   * @see {@link shared/util.js}\n   */\n  setStyle(style) {\n    if (!isName(style)) {\n      return;\n    }\n    switch (style.name) {\n      case \"S\":\n        this.style = AnnotationBorderStyleType.SOLID;\n        break;\n\n      case \"D\":\n        this.style = AnnotationBorderStyleType.DASHED;\n        break;\n\n      case \"B\":\n        this.style = AnnotationBorderStyleType.BEVELED;\n        break;\n\n      case \"I\":\n        this.style = AnnotationBorderStyleType.INSET;\n        break;\n\n      case \"U\":\n        this.style = AnnotationBorderStyleType.UNDERLINE;\n        break;\n\n      default:\n        break;\n    }\n  }\n\n  /**\n   * Set the dash array.\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {Array} dashArray - The dash array with at least one element\n   */\n  setDashArray(dashArray) {\n    // We validate the dash array, but we do not use it because CSS does not\n    // allow us to change spacing of dashes. For more information, visit\n    // http://www.w3.org/TR/css3-background/#the-border-style.\n    if (Array.isArray(dashArray) && dashArray.length > 0) {\n      // According to the PDF specification: the elements in `dashArray`\n      // shall be numbers that are nonnegative and not all equal to zero.\n      let isValid = true;\n      let allZeros = true;\n      for (const element of dashArray) {\n        const validNumber = +element >= 0;\n        if (!validNumber) {\n          isValid = false;\n          break;\n        } else if (element > 0) {\n          allZeros = false;\n        }\n      }\n      if (isValid && !allZeros) {\n        this.dashArray = dashArray;\n      } else {\n        this.width = 0; // Adobe behavior when the array is invalid.\n      }\n    } else if (dashArray) {\n      this.width = 0; // Adobe behavior when the array is invalid.\n    }\n  }\n\n  /**\n   * Set the horizontal corner radius (from a Border dictionary).\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} radius - The horizontal corner radius.\n   */\n  setHorizontalCornerRadius(radius) {\n    if (Number.isInteger(radius)) {\n      this.horizontalCornerRadius = radius;\n    }\n  }\n\n  /**\n   * Set the vertical corner radius (from a Border dictionary).\n   *\n   * @public\n   * @memberof AnnotationBorderStyle\n   * @param {number} radius - The vertical corner radius.\n   */\n  setVerticalCornerRadius(radius) {\n    if (Number.isInteger(radius)) {\n      this.verticalCornerRadius = radius;\n    }\n  }\n}\n\nclass MarkupAnnotation extends Annotation {\n  constructor(parameters) {\n    super(parameters);\n\n    const dict = parameters.dict;\n\n    if (dict.has(\"IRT\")) {\n      const rawIRT = dict.getRaw(\"IRT\");\n      this.data.inReplyTo = isRef(rawIRT) ? rawIRT.toString() : null;\n\n      const rt = dict.get(\"RT\");\n      this.data.replyType = isName(rt) ? rt.name : AnnotationReplyType.REPLY;\n    }\n\n    if (this.data.replyType === AnnotationReplyType.GROUP) {\n      // Subordinate annotations in a group should inherit\n      // the group attributes from the primary annotation.\n      const parent = dict.get(\"IRT\");\n\n      this.data.title = stringToPDFString(parent.get(\"T\") || \"\");\n\n      this.setContents(parent.get(\"Contents\"));\n      this.data.contents = this.contents;\n\n      if (!parent.has(\"CreationDate\")) {\n        this.data.creationDate = null;\n      } else {\n        this.setCreationDate(parent.get(\"CreationDate\"));\n        this.data.creationDate = this.creationDate;\n      }\n\n      if (!parent.has(\"M\")) {\n        this.data.modificationDate = null;\n      } else {\n        this.setModificationDate(parent.get(\"M\"));\n        this.data.modificationDate = this.modificationDate;\n      }\n\n      this.data.hasPopup = parent.has(\"Popup\");\n\n      if (!parent.has(\"C\")) {\n        // Fall back to the default background color.\n        this.data.color = null;\n      } else {\n        this.setColor(parent.getArray(\"C\"));\n        this.data.color = this.color;\n      }\n    } else {\n      this.data.title = stringToPDFString(dict.get(\"T\") || \"\");\n\n      this.setCreationDate(dict.get(\"CreationDate\"));\n      this.data.creationDate = this.creationDate;\n\n      this.data.hasPopup = dict.has(\"Popup\");\n\n      if (!dict.has(\"C\")) {\n        // Fall back to the default background color.\n        this.data.color = null;\n      }\n    }\n  }\n\n  /**\n   * Set the creation date.\n   *\n   * @public\n   * @memberof MarkupAnnotation\n   * @param {string} creationDate - PDF date string that indicates when the\n   *                                annotation was originally created\n   */\n  setCreationDate(creationDate) {\n    this.creationDate = isString(creationDate) ? creationDate : null;\n  }\n}\n\nclass WidgetAnnotation extends Annotation {\n  constructor(params) {\n    super(params);\n\n    const dict = params.dict;\n    const data = this.data;\n    this.ref = params.ref;\n\n    data.annotationType = AnnotationType.WIDGET;\n    data.fieldName = this._constructFieldName(dict);\n\n    const fieldValue = getInheritableProperty({\n      dict,\n      key: \"V\",\n      getArray: true,\n    });\n    data.fieldValue = this._decodeFormValue(fieldValue);\n\n    data.alternativeText = stringToPDFString(dict.get(\"TU\") || \"\");\n    data.defaultAppearance =\n      getInheritableProperty({ dict, key: \"DA\" }) ||\n      params.acroForm.get(\"DA\") ||\n      \"\";\n    const fieldType = getInheritableProperty({ dict, key: \"FT\" });\n    data.fieldType = isName(fieldType) ? fieldType.name : null;\n    this.fieldResources =\n      getInheritableProperty({ dict, key: \"DR\" }) ||\n      params.acroForm.get(\"DR\") ||\n      Dict.empty;\n\n    data.fieldFlags = getInheritableProperty({ dict, key: \"Ff\" });\n    if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {\n      data.fieldFlags = 0;\n    }\n\n    data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY);\n\n    // Hide signatures because we cannot validate them, and unset the fieldValue\n    // since it's (most likely) a `Dict` which is non-serializable and will thus\n    // cause errors when sending annotations to the main-thread (issue 10347).\n    if (data.fieldType === \"Sig\") {\n      data.fieldValue = null;\n      this.setFlags(AnnotationFlag.HIDDEN);\n    }\n  }\n\n  /**\n   * Construct the (fully qualified) field name from the (partial) field\n   * names of the field and its ancestors.\n   *\n   * @private\n   * @memberof WidgetAnnotation\n   * @param {Dict} dict - Complete widget annotation dictionary\n   * @returns {string}\n   */\n  _constructFieldName(dict) {\n    // Both the `Parent` and `T` fields are optional. While at least one of\n    // them should be provided, bad PDF generators may fail to do so.\n    if (!dict.has(\"T\") && !dict.has(\"Parent\")) {\n      warn(\"Unknown field name, falling back to empty field name.\");\n      return \"\";\n    }\n\n    // If no parent exists, the partial and fully qualified names are equal.\n    if (!dict.has(\"Parent\")) {\n      return stringToPDFString(dict.get(\"T\"));\n    }\n\n    // Form the fully qualified field name by appending the partial name to\n    // the parent's fully qualified name, separated by a period.\n    const fieldName = [];\n    if (dict.has(\"T\")) {\n      fieldName.unshift(stringToPDFString(dict.get(\"T\")));\n    }\n\n    let loopDict = dict;\n    while (loopDict.has(\"Parent\")) {\n      loopDict = loopDict.get(\"Parent\");\n      if (!isDict(loopDict)) {\n        // Even though it is not allowed according to the PDF specification,\n        // bad PDF generators may provide a `Parent` entry that is not a\n        // dictionary, but `null` for example (issue 8143).\n        break;\n      }\n\n      if (loopDict.has(\"T\")) {\n        fieldName.unshift(stringToPDFString(loopDict.get(\"T\")));\n      }\n    }\n    return fieldName.join(\".\");\n  }\n\n  /**\n   * Decode the given form value.\n   *\n   * @private\n   * @memberof WidgetAnnotation\n   * @param {Array<string>|Name|string} formValue - The (possibly encoded)\n   *   form value.\n   * @returns {Array<string>|string|null}\n   */\n  _decodeFormValue(formValue) {\n    if (Array.isArray(formValue)) {\n      return formValue\n        .filter(item => isString(item))\n        .map(item => stringToPDFString(item));\n    } else if (isName(formValue)) {\n      return stringToPDFString(formValue.name);\n    } else if (isString(formValue)) {\n      return stringToPDFString(formValue);\n    }\n    return null;\n  }\n\n  /**\n   * Check if a provided field flag is set.\n   *\n   * @public\n   * @memberof WidgetAnnotation\n   * @param {number} flag - Hexadecimal representation for an annotation\n   *                        field characteristic\n   * @returns {boolean}\n   * @see {@link shared/util.js}\n   */\n  hasFieldFlag(flag) {\n    return !!(this.data.fieldFlags & flag);\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    // Do not render form elements on the canvas when interactive forms are\n    // enabled. The display layer is responsible for rendering them instead.\n    if (renderForms) {\n      return Promise.resolve(new OperatorList());\n    }\n\n    if (!this._hasText) {\n      return super.getOperatorList(\n        evaluator,\n        task,\n        renderForms,\n        annotationStorage\n      );\n    }\n\n    return this._getAppearance(evaluator, task, annotationStorage).then(\n      content => {\n        if (this.appearance && content === null) {\n          return super.getOperatorList(\n            evaluator,\n            task,\n            renderForms,\n            annotationStorage\n          );\n        }\n\n        const operatorList = new OperatorList();\n\n        // Even if there is an appearance stream, ignore it. This is the\n        // behaviour used by Adobe Reader.\n        if (!this.data.defaultAppearance || content === null) {\n          return operatorList;\n        }\n\n        const matrix = [1, 0, 0, 1, 0, 0];\n        const bbox = [\n          0,\n          0,\n          this.data.rect[2] - this.data.rect[0],\n          this.data.rect[3] - this.data.rect[1],\n        ];\n\n        const transform = getTransformMatrix(this.data.rect, bbox, matrix);\n        operatorList.addOp(OPS.beginAnnotation, [\n          this.data.rect,\n          transform,\n          matrix,\n        ]);\n\n        const stream = new StringStream(content);\n        return evaluator\n          .getOperatorList({\n            stream,\n            task,\n            resources: this.fieldResources,\n            operatorList,\n          })\n          .then(function () {\n            operatorList.addOp(OPS.endAnnotation, []);\n            return operatorList;\n          });\n      }\n    );\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    if (this.data.fieldValue === annotationStorage[this.data.id]) {\n      return null;\n    }\n\n    let appearance = await this._getAppearance(\n      evaluator,\n      task,\n      annotationStorage\n    );\n    if (appearance === null) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const bbox = [\n      0,\n      0,\n      this.data.rect[2] - this.data.rect[0],\n      this.data.rect[3] - this.data.rect[1],\n    ];\n\n    const newRef = evaluator.xref.getNewRef();\n    const AP = new Dict(evaluator.xref);\n    AP.set(\"N\", newRef);\n\n    const value = annotationStorage[this.data.id];\n    const encrypt = evaluator.xref.encrypt;\n    let originalTransform = null;\n    let newTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n      newTransform = encrypt.createCipherTransform(newRef.num, newRef.gen);\n      appearance = newTransform.encryptString(appearance);\n    }\n\n    dict.set(\"V\", value);\n    dict.set(\"AP\", AP);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    const appearanceDict = new Dict(evaluator.xref);\n    appearanceDict.set(\"Length\", appearance.length);\n    appearanceDict.set(\"Subtype\", Name.get(\"Form\"));\n    appearanceDict.set(\"Resources\", this.fieldResources);\n    appearanceDict.set(\"BBox\", bbox);\n\n    const bufferOriginal = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, bufferOriginal, originalTransform);\n    bufferOriginal.push(\"\\nendobj\\n\");\n\n    const bufferNew = [`${newRef.num} ${newRef.gen} obj\\n`];\n    writeDict(appearanceDict, bufferNew, newTransform);\n    bufferNew.push(\" stream\\n\");\n    bufferNew.push(appearance);\n    bufferNew.push(\"\\nendstream\\nendobj\\n\");\n\n    return [\n      // data for the original object\n      // V field changed + reference for new AP\n      { ref: this.ref, data: bufferOriginal.join(\"\") },\n      // data for the new AP\n      { ref: newRef, data: bufferNew.join(\"\") },\n    ];\n  }\n\n  async _getAppearance(evaluator, task, annotationStorage) {\n    const isPassword = this.hasFieldFlag(AnnotationFieldFlag.PASSWORD);\n    if (!annotationStorage || isPassword) {\n      return null;\n    }\n    const value = annotationStorage[this.data.id];\n    if (value === \"\") {\n      return \"\";\n    }\n\n    const defaultPadding = 2;\n    const hPadding = defaultPadding;\n    const totalHeight = this.data.rect[3] - this.data.rect[1];\n    const totalWidth = this.data.rect[2] - this.data.rect[0];\n\n    const fontInfo = await this._getFontData(evaluator, task);\n    const [font, fontName] = fontInfo;\n    let fontSize = fontInfo[2];\n\n    fontSize = this._computeFontSize(font, fontName, fontSize, totalHeight);\n\n    let descent = font.descent;\n    if (isNaN(descent)) {\n      descent = 0;\n    }\n\n    const vPadding = defaultPadding + Math.abs(descent) * fontSize;\n    const defaultAppearance = this.data.defaultAppearance;\n    const alignment = this.data.textAlignment;\n\n    if (this.data.comb) {\n      return this._getCombAppearance(\n        defaultAppearance,\n        value,\n        totalWidth,\n        hPadding,\n        vPadding\n      );\n    }\n\n    if (this.data.multiLine) {\n      return this._getMultilineAppearance(\n        defaultAppearance,\n        value,\n        font,\n        fontSize,\n        totalWidth,\n        totalHeight,\n        alignment,\n        hPadding,\n        vPadding\n      );\n    }\n\n    if (alignment === 0 || alignment > 2) {\n      // Left alignment: nothing to do\n      return (\n        \"/Tx BMC q BT \" +\n        defaultAppearance +\n        ` 1 0 0 1 ${hPadding} ${vPadding} Tm (${escapeString(value)}) Tj` +\n        \" ET Q EMC\"\n      );\n    }\n\n    const renderedText = this._renderText(\n      value,\n      font,\n      fontSize,\n      totalWidth,\n      alignment,\n      hPadding,\n      vPadding\n    );\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 0 0 Tm ${renderedText}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  async _getFontData(evaluator, task) {\n    const operatorList = new OperatorList();\n    const initialState = {\n      fontSize: 0,\n      font: null,\n      fontName: null,\n      clone() {\n        return this;\n      },\n    };\n\n    await evaluator.getOperatorList({\n      stream: new StringStream(this.data.defaultAppearance),\n      task,\n      resources: this.fieldResources,\n      operatorList,\n      initialState,\n    });\n\n    return [initialState.font, initialState.fontName, initialState.fontSize];\n  }\n\n  _computeFontSize(font, fontName, fontSize, height) {\n    if (fontSize === null || fontSize === 0) {\n      const em = font.charsToGlyphs(\"M\", true)[0].width / 1000;\n      // According to https://en.wikipedia.org/wiki/Em_(typography)\n      // an average cap height should be 70% of 1em\n      const capHeight = 0.7 * em;\n      // 1.5 * capHeight * fontSize seems to be a good value for lineHeight\n      fontSize = Math.max(1, Math.floor(height / (1.5 * capHeight)));\n\n      let fontRegex = new RegExp(`/${fontName}\\\\s+[0-9\\.]+\\\\s+Tf`);\n      if (this.data.defaultAppearance.search(fontRegex) === -1) {\n        // The font size is missing\n        fontRegex = new RegExp(`/${fontName}\\\\s+Tf`);\n      }\n      this.data.defaultAppearance = this.data.defaultAppearance.replace(\n        fontRegex,\n        `/${fontName} ${fontSize} Tf`\n      );\n    }\n    return fontSize;\n  }\n\n  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {\n    // We need to get the width of the text in order to align it correctly\n    const glyphs = font.charsToGlyphs(text);\n    const scale = fontSize / 1000;\n    let width = 0;\n    for (const glyph of glyphs) {\n      width += glyph.width * scale;\n    }\n\n    let shift;\n    if (alignment === 1) {\n      // Center\n      shift = (totalWidth - width) / 2;\n    } else if (alignment === 2) {\n      // Right\n      shift = totalWidth - width - hPadding;\n    } else {\n      shift = hPadding;\n    }\n    shift = shift.toFixed(2);\n    vPadding = vPadding.toFixed(2);\n\n    return `${shift} ${vPadding} Td (${escapeString(text)}) Tj`;\n  }\n}\n\nclass TextWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    this._hasText = true;\n\n    const dict = params.dict;\n\n    // The field value is always a string.\n    if (!isString(this.data.fieldValue)) {\n      this.data.fieldValue = \"\";\n    }\n\n    // Determine the alignment of text in the field.\n    let alignment = getInheritableProperty({ dict, key: \"Q\" });\n    if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {\n      alignment = null;\n    }\n    this.data.textAlignment = alignment;\n\n    // Determine the maximum length of text in the field.\n    let maximumLength = getInheritableProperty({ dict, key: \"MaxLen\" });\n    if (!Number.isInteger(maximumLength) || maximumLength < 0) {\n      maximumLength = null;\n    }\n    this.data.maxLen = maximumLength;\n\n    // Process field flags for the display layer.\n    this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE);\n    this.data.comb =\n      this.hasFieldFlag(AnnotationFieldFlag.COMB) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) &&\n      this.data.maxLen !== null;\n  }\n\n  _getCombAppearance(defaultAppearance, text, width, hPadding, vPadding) {\n    const combWidth = (width / this.data.maxLen).toFixed(2);\n    const buf = [];\n    for (const character of text) {\n      buf.push(`(${escapeString(character)}) Tj`);\n    }\n\n    const renderedComb = buf.join(` ${combWidth} 0 Td `);\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 ${hPadding} ${vPadding} Tm ${renderedComb}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  _getMultilineAppearance(\n    defaultAppearance,\n    text,\n    font,\n    fontSize,\n    width,\n    height,\n    alignment,\n    hPadding,\n    vPadding\n  ) {\n    const lines = text.split(/\\r\\n|\\r|\\n/);\n    const buf = [];\n    const totalWidth = width - 2 * hPadding;\n    for (const line of lines) {\n      const chunks = this._splitLine(line, font, fontSize, totalWidth);\n      for (const chunk of chunks) {\n        const padding = buf.length === 0 ? hPadding : 0;\n        buf.push(\n          this._renderText(\n            chunk,\n            font,\n            fontSize,\n            width,\n            alignment,\n            padding,\n            -fontSize // <0 because a line is below the previous one\n          )\n        );\n      }\n    }\n\n    const renderedText = buf.join(\"\\n\");\n    return (\n      \"/Tx BMC q BT \" +\n      defaultAppearance +\n      ` 1 0 0 1 0 ${height} Tm ${renderedText}` +\n      \" ET Q EMC\"\n    );\n  }\n\n  _splitLine(line, font, fontSize, width) {\n    if (line.length <= 1) {\n      // Nothing to split\n      return [line];\n    }\n\n    const scale = fontSize / 1000;\n    const whitespace = font.charsToGlyphs(\" \", true)[0].width * scale;\n    const chunks = [];\n\n    let lastSpacePos = -1,\n      startChunk = 0,\n      currentWidth = 0;\n\n    for (let i = 0, ii = line.length; i < ii; i++) {\n      const character = line.charAt(i);\n      if (character === \" \") {\n        if (currentWidth + whitespace > width) {\n          // We can break here\n          chunks.push(line.substring(startChunk, i));\n          startChunk = i;\n          currentWidth = whitespace;\n          lastSpacePos = -1;\n        } else {\n          currentWidth += whitespace;\n          lastSpacePos = i;\n        }\n      } else {\n        const charWidth = font.charsToGlyphs(character, false)[0].width * scale;\n        if (currentWidth + charWidth > width) {\n          // We must break to the last white position (if available)\n          if (lastSpacePos !== -1) {\n            chunks.push(line.substring(startChunk, lastSpacePos + 1));\n            startChunk = i = lastSpacePos + 1;\n            lastSpacePos = -1;\n            currentWidth = 0;\n          } else {\n            // Just break in the middle of the word\n            chunks.push(line.substring(startChunk, i));\n            startChunk = i;\n            currentWidth = charWidth;\n          }\n        } else {\n          currentWidth += charWidth;\n        }\n      }\n    }\n\n    if (startChunk < line.length) {\n      chunks.push(line.substring(startChunk, line.length));\n    }\n\n    return chunks;\n  }\n}\n\nclass ButtonWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    this.checkedAppearance = null;\n    this.uncheckedAppearance = null;\n\n    this.data.checkBox =\n      !this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n    this.data.radioButton =\n      this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&\n      !this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n    this.data.pushButton = this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);\n\n    if (this.data.checkBox) {\n      this._processCheckBox(params);\n    } else if (this.data.radioButton) {\n      this._processRadioButton(params);\n    } else if (this.data.pushButton) {\n      this._processPushButton(params);\n    } else {\n      warn(\"Invalid field flags for button widget annotation\");\n    }\n  }\n\n  getOperatorList(evaluator, task, renderForms, annotationStorage) {\n    if (this.data.pushButton) {\n      return super.getOperatorList(\n        evaluator,\n        task,\n        false, // we use normalAppearance to render the button\n        annotationStorage\n      );\n    }\n\n    if (annotationStorage) {\n      const value = annotationStorage[this.data.id] || false;\n      let appearance;\n      if (value) {\n        appearance = this.checkedAppearance;\n      } else {\n        appearance = this.uncheckedAppearance;\n      }\n\n      if (appearance) {\n        const savedAppearance = this.appearance;\n        this.appearance = appearance;\n        const operatorList = super.getOperatorList(\n          evaluator,\n          task,\n          renderForms,\n          annotationStorage\n        );\n        this.appearance = savedAppearance;\n        return operatorList;\n      }\n\n      // No appearance\n      return Promise.resolve(new OperatorList());\n    }\n    return super.getOperatorList(\n      evaluator,\n      task,\n      renderForms,\n      annotationStorage\n    );\n  }\n\n  async save(evaluator, task, annotationStorage) {\n    if (this.data.checkBox) {\n      return this._saveCheckbox(evaluator, task, annotationStorage);\n    }\n\n    if (this.data.radioButton) {\n      return this._saveRadioButton(evaluator, task, annotationStorage);\n    }\n\n    return super.save(evaluator, task, annotationStorage);\n  }\n\n  async _saveCheckbox(evaluator, task, annotationStorage) {\n    const defaultValue = this.data.fieldValue && this.data.fieldValue !== \"Off\";\n    const value = annotationStorage[this.data.id];\n\n    if (defaultValue === value) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const name = Name.get(value ? this.data.exportValue : \"Off\");\n    dict.set(\"V\", name);\n    dict.set(\"AS\", name);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    const encrypt = evaluator.xref.encrypt;\n    let originalTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n    }\n\n    const buffer = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, buffer, originalTransform);\n    buffer.push(\"\\nendobj\\n\");\n\n    return [{ ref: this.ref, data: buffer.join(\"\") }];\n  }\n\n  async _saveRadioButton(evaluator, task, annotationStorage) {\n    const defaultValue = this.data.fieldValue === this.data.buttonValue;\n    const value = annotationStorage[this.data.id];\n\n    if (defaultValue === value) {\n      return null;\n    }\n\n    const dict = evaluator.xref.fetchIfRef(this.ref);\n    if (!isDict(dict)) {\n      return null;\n    }\n\n    const name = Name.get(value ? this.data.buttonValue : \"Off\");\n    let parentBuffer = null;\n    const encrypt = evaluator.xref.encrypt;\n\n    if (value) {\n      if (isRef(this.parent)) {\n        const parent = evaluator.xref.fetch(this.parent);\n        let parentTransform = null;\n        if (encrypt) {\n          parentTransform = encrypt.createCipherTransform(\n            this.parent.num,\n            this.parent.gen\n          );\n        }\n        parent.set(\"V\", name);\n        parentBuffer = [`${this.parent.num} ${this.parent.gen} obj\\n`];\n        writeDict(parent, parentBuffer, parentTransform);\n        parentBuffer.push(\"\\nendobj\\n\");\n      } else if (isDict(this.parent)) {\n        this.parent.set(\"V\", name);\n      }\n    }\n\n    dict.set(\"AS\", name);\n    dict.set(\"M\", `D:${getModificationDate()}`);\n\n    let originalTransform = null;\n    if (encrypt) {\n      originalTransform = encrypt.createCipherTransform(\n        this.ref.num,\n        this.ref.gen\n      );\n    }\n\n    const buffer = [`${this.ref.num} ${this.ref.gen} obj\\n`];\n    writeDict(dict, buffer, originalTransform);\n    buffer.push(\"\\nendobj\\n\");\n\n    const newRefs = [{ ref: this.ref, data: buffer.join(\"\") }];\n    if (parentBuffer !== null) {\n      newRefs.push({ ref: this.parent, data: parentBuffer.join(\"\") });\n    }\n\n    return newRefs;\n  }\n\n  _processCheckBox(params) {\n    const customAppearance = params.dict.get(\"AP\");\n    if (!isDict(customAppearance)) {\n      return;\n    }\n\n    const normalAppearance = customAppearance.get(\"N\");\n    if (!isDict(normalAppearance)) {\n      return;\n    }\n\n    const exportValues = normalAppearance.getKeys();\n    if (!exportValues.includes(\"Off\")) {\n      // The /Off appearance is optional.\n      exportValues.push(\"Off\");\n    }\n    if (exportValues.length !== 2) {\n      return;\n    }\n\n    this.data.exportValue =\n      exportValues[0] === \"Off\" ? exportValues[1] : exportValues[0];\n\n    this.checkedAppearance = normalAppearance.get(this.data.exportValue);\n    this.uncheckedAppearance = normalAppearance.get(\"Off\") || null;\n  }\n\n  _processRadioButton(params) {\n    this.data.fieldValue = this.data.buttonValue = null;\n\n    // The parent field's `V` entry holds a `Name` object with the appearance\n    // state of whichever child field is currently in the \"on\" state.\n    const fieldParent = params.dict.get(\"Parent\");\n    if (isDict(fieldParent) && fieldParent.has(\"V\")) {\n      const fieldParentValue = fieldParent.get(\"V\");\n      if (isName(fieldParentValue)) {\n        this.parent = params.dict.getRaw(\"Parent\");\n        this.data.fieldValue = this._decodeFormValue(fieldParentValue);\n      }\n    }\n\n    // The button's value corresponds to its appearance state.\n    const appearanceStates = params.dict.get(\"AP\");\n    if (!isDict(appearanceStates)) {\n      return;\n    }\n    const normalAppearance = appearanceStates.get(\"N\");\n    if (!isDict(normalAppearance)) {\n      return;\n    }\n    for (const key of normalAppearance.getKeys()) {\n      if (key !== \"Off\") {\n        this.data.buttonValue = key;\n        break;\n      }\n    }\n\n    this.checkedAppearance = normalAppearance.get(this.data.buttonValue);\n    this.uncheckedAppearance = normalAppearance.get(\"Off\") || null;\n  }\n\n  _processPushButton(params) {\n    if (!params.dict.has(\"A\")) {\n      warn(\"Push buttons without action dictionaries are not supported\");\n      return;\n    }\n\n    Catalog.parseDestDictionary({\n      destDict: params.dict,\n      resultObj: this.data,\n      docBaseUrl: params.pdfManager.docBaseUrl,\n    });\n  }\n}\n\nclass ChoiceWidgetAnnotation extends WidgetAnnotation {\n  constructor(params) {\n    super(params);\n\n    // Determine the options. The options array may consist of strings or\n    // arrays. If the array consists of arrays, then the first element of\n    // each array is the export value and the second element of each array is\n    // the display value. If the array consists of strings, then these\n    // represent both the export and display value. In this case, we convert\n    // it to an array of arrays as well for convenience in the display layer.\n    // Note that the specification does not state that the `Opt` field is\n    // inheritable, but in practice PDF generators do make annotations\n    // inherit the options from a parent annotation (issue 8094).\n    this.data.options = [];\n\n    const options = getInheritableProperty({ dict: params.dict, key: \"Opt\" });\n    if (Array.isArray(options)) {\n      const xref = params.xref;\n      for (let i = 0, ii = options.length; i < ii; i++) {\n        const option = xref.fetchIfRef(options[i]);\n        const isOptionArray = Array.isArray(option);\n\n        this.data.options[i] = {\n          exportValue: this._decodeFormValue(\n            isOptionArray ? xref.fetchIfRef(option[0]) : option\n          ),\n          displayValue: this._decodeFormValue(\n            isOptionArray ? xref.fetchIfRef(option[1]) : option\n          ),\n        };\n      }\n    }\n\n    // The field value can be `null` if no item is selected, a string if one\n    // item is selected or an array of strings if multiple items are selected.\n    // For consistency in the API and convenience in the display layer, we\n    // always make the field value an array with zero, one or multiple items.\n    if (isString(this.data.fieldValue)) {\n      this.data.fieldValue = [this.data.fieldValue];\n    } else if (!this.data.fieldValue) {\n      this.data.fieldValue = [];\n    }\n\n    // Process field flags for the display layer.\n    this.data.combo = this.hasFieldFlag(AnnotationFieldFlag.COMBO);\n    this.data.multiSelect = this.hasFieldFlag(AnnotationFieldFlag.MULTISELECT);\n    this._hasText = true;\n  }\n}\n\nclass TextAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    const DEFAULT_ICON_SIZE = 22; // px\n\n    super(parameters);\n\n    const dict = parameters.dict;\n    this.data.annotationType = AnnotationType.TEXT;\n\n    if (this.data.hasAppearance) {\n      this.data.name = \"NoIcon\";\n    } else {\n      this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;\n      this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;\n      this.data.name = dict.has(\"Name\") ? dict.get(\"Name\").name : \"Note\";\n    }\n\n    if (dict.has(\"State\")) {\n      this.data.state = dict.get(\"State\") || null;\n      this.data.stateModel = dict.get(\"StateModel\") || null;\n    } else {\n      this.data.state = null;\n      this.data.stateModel = null;\n    }\n  }\n}\n\nclass LinkAnnotation extends Annotation {\n  constructor(params) {\n    super(params);\n\n    this.data.annotationType = AnnotationType.LINK;\n\n    const quadPoints = getQuadPoints(params.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n\n    Catalog.parseDestDictionary({\n      destDict: params.dict,\n      resultObj: this.data,\n      docBaseUrl: params.pdfManager.docBaseUrl,\n    });\n  }\n}\n\nclass PopupAnnotation extends Annotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POPUP;\n\n    let parentItem = parameters.dict.get(\"Parent\");\n    if (!parentItem) {\n      warn(\"Popup annotation has a missing or invalid parent annotation.\");\n      return;\n    }\n\n    const parentSubtype = parentItem.get(\"Subtype\");\n    this.data.parentType = isName(parentSubtype) ? parentSubtype.name : null;\n    const rawParent = parameters.dict.getRaw(\"Parent\");\n    this.data.parentId = isRef(rawParent) ? rawParent.toString() : null;\n\n    const rt = parentItem.get(\"RT\");\n    if (isName(rt, AnnotationReplyType.GROUP)) {\n      // Subordinate annotations in a group should inherit\n      // the group attributes from the primary annotation.\n      parentItem = parentItem.get(\"IRT\");\n    }\n\n    if (!parentItem.has(\"M\")) {\n      this.data.modificationDate = null;\n    } else {\n      this.setModificationDate(parentItem.get(\"M\"));\n      this.data.modificationDate = this.modificationDate;\n    }\n\n    if (!parentItem.has(\"C\")) {\n      // Fall back to the default background color.\n      this.data.color = null;\n    } else {\n      this.setColor(parentItem.getArray(\"C\"));\n      this.data.color = this.color;\n    }\n\n    // If the Popup annotation is not viewable, but the parent annotation is,\n    // that is most likely a bug. Fallback to inherit the flags from the parent\n    // annotation (this is consistent with the behaviour in Adobe Reader).\n    if (!this.viewable) {\n      const parentFlags = parentItem.get(\"F\");\n      if (this._isViewable(parentFlags)) {\n        this.setFlags(parentFlags);\n      }\n    }\n\n    this.data.title = stringToPDFString(parentItem.get(\"T\") || \"\");\n    this.data.contents = stringToPDFString(parentItem.get(\"Contents\") || \"\");\n  }\n}\n\nclass FreeTextAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.FREETEXT;\n  }\n}\n\nclass LineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.LINE;\n\n    this.data.lineCoordinates = Util.normalizeRect(\n      parameters.dict.getArray(\"L\")\n    );\n  }\n}\n\nclass SquareAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.SQUARE;\n  }\n}\n\nclass CircleAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.CIRCLE;\n  }\n}\n\nclass PolylineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POLYLINE;\n\n    // The vertices array is an array of numbers representing the alternating\n    // horizontal and vertical coordinates, respectively, of each vertex.\n    // Convert this to an array of objects with x and y coordinates.\n    const rawVertices = parameters.dict.getArray(\"Vertices\");\n    this.data.vertices = [];\n    for (let i = 0, ii = rawVertices.length; i < ii; i += 2) {\n      this.data.vertices.push({\n        x: rawVertices[i],\n        y: rawVertices[i + 1],\n      });\n    }\n  }\n}\n\nclass PolygonAnnotation extends PolylineAnnotation {\n  constructor(parameters) {\n    // Polygons are specific forms of polylines, so reuse their logic.\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.POLYGON;\n  }\n}\n\nclass CaretAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.CARET;\n  }\n}\n\nclass InkAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.INK;\n\n    const xref = parameters.xref;\n    const originalInkLists = parameters.dict.getArray(\"InkList\");\n    this.data.inkLists = [];\n    for (let i = 0, ii = originalInkLists.length; i < ii; ++i) {\n      // The raw ink lists array contains arrays of numbers representing\n      // the alternating horizontal and vertical coordinates, respectively,\n      // of each vertex. Convert this to an array of objects with x and y\n      // coordinates.\n      this.data.inkLists.push([]);\n      for (let j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {\n        this.data.inkLists[i].push({\n          x: xref.fetchIfRef(originalInkLists[i][j]),\n          y: xref.fetchIfRef(originalInkLists[i][j + 1]),\n        });\n      }\n    }\n  }\n}\n\nclass HighlightAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.HIGHLIGHT;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass UnderlineAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.UNDERLINE;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass SquigglyAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.SQUIGGLY;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass StrikeOutAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.STRIKEOUT;\n\n    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);\n    if (quadPoints) {\n      this.data.quadPoints = quadPoints;\n    }\n  }\n}\n\nclass StampAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    this.data.annotationType = AnnotationType.STAMP;\n  }\n}\n\nclass FileAttachmentAnnotation extends MarkupAnnotation {\n  constructor(parameters) {\n    super(parameters);\n\n    const file = new FileSpec(parameters.dict.get(\"FS\"), parameters.xref);\n\n    this.data.annotationType = AnnotationType.FILEATTACHMENT;\n    this.data.file = file.serializable;\n  }\n}\n\nexport {\n  Annotation,\n  AnnotationBorderStyle,\n  AnnotationFactory,\n  MarkupAnnotation,\n  getQuadPoints,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, ImageKind, OPS, warn } from \"../shared/util.js\";\n\nvar QueueOptimizer = (function QueueOptimizerClosure() {\n  function addState(parentState, pattern, checkFn, iterateFn, processFn) {\n    var state = parentState;\n    for (var i = 0, ii = pattern.length - 1; i < ii; i++) {\n      var item = pattern[i];\n      state = state[item] || (state[item] = []);\n    }\n    state[pattern[pattern.length - 1]] = {\n      checkFn,\n      iterateFn,\n      processFn,\n    };\n  }\n\n  function handlePaintSolidColorImageMask(\n    iFirstSave,\n    count,\n    fnArray,\n    argsArray\n  ) {\n    // Handles special case of mainly LaTeX documents which use image masks to\n    // draw lines with the current fill style.\n    // 'count' groups of (save, transform, paintImageMaskXObject, restore)+\n    // have been found at iFirstSave.\n    var iFirstPIMXO = iFirstSave + 2;\n    for (var i = 0; i < count; i++) {\n      var arg = argsArray[iFirstPIMXO + 4 * i];\n      var imageMask = arg.length === 1 && arg[0];\n      if (\n        imageMask &&\n        imageMask.width === 1 &&\n        imageMask.height === 1 &&\n        (!imageMask.data.length ||\n          (imageMask.data.length === 1 && imageMask.data[0] === 0))\n      ) {\n        fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask;\n        continue;\n      }\n      break;\n    }\n    return count - i;\n  }\n\n  var InitialState = [];\n\n  // This replaces (save, transform, paintInlineImageXObject, restore)+\n  // sequences with one |paintInlineImageXObjectGroup| operation.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintInlineImageXObject, OPS.restore],\n    null,\n    function iterateInlineImageGroup(context, i) {\n      var fnArray = context.fnArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          return fnArray[i] === OPS.transform;\n        case 2:\n          return fnArray[i] === OPS.paintInlineImageXObject;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateInlineImageGroup - invalid pos: ${pos}`);\n    },\n    function foundInlineImageGroup(context, i) {\n      var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10;\n      var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200;\n      var MAX_WIDTH = 1000;\n      var IMAGE_PADDING = 1;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIIXO = curr - 1;\n\n      var count = Math.min(\n        Math.floor((i - iFirstSave) / 4),\n        MAX_IMAGES_IN_INLINE_IMAGES_BLOCK\n      );\n      if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      // assuming that heights of those image is too small (~1 pixel)\n      // packing as much as possible by lines\n      var maxX = 0;\n      var map = [],\n        maxLineHeight = 0;\n      var currentX = IMAGE_PADDING,\n        currentY = IMAGE_PADDING;\n      var q;\n      for (q = 0; q < count; q++) {\n        var transform = argsArray[iFirstTransform + (q << 2)];\n        var img = argsArray[iFirstPIIXO + (q << 2)][0];\n        if (currentX + img.width > MAX_WIDTH) {\n          // starting new line\n          maxX = Math.max(maxX, currentX);\n          currentY += maxLineHeight + 2 * IMAGE_PADDING;\n          currentX = 0;\n          maxLineHeight = 0;\n        }\n        map.push({\n          transform,\n          x: currentX,\n          y: currentY,\n          w: img.width,\n          h: img.height,\n        });\n        currentX += img.width + 2 * IMAGE_PADDING;\n        maxLineHeight = Math.max(maxLineHeight, img.height);\n      }\n      var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING;\n      var imgHeight = currentY + maxLineHeight + IMAGE_PADDING;\n      var imgData = new Uint8ClampedArray(imgWidth * imgHeight * 4);\n      var imgRowSize = imgWidth << 2;\n      for (q = 0; q < count; q++) {\n        var data = argsArray[iFirstPIIXO + (q << 2)][0].data;\n        // Copy image by lines and extends pixels into padding.\n        var rowSize = map[q].w << 2;\n        var dataOffset = 0;\n        var offset = (map[q].x + map[q].y * imgWidth) << 2;\n        imgData.set(data.subarray(0, rowSize), offset - imgRowSize);\n        for (var k = 0, kk = map[q].h; k < kk; k++) {\n          imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset);\n          dataOffset += rowSize;\n          offset += imgRowSize;\n        }\n        imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset);\n        while (offset >= 0) {\n          data[offset - 4] = data[offset];\n          data[offset - 3] = data[offset + 1];\n          data[offset - 2] = data[offset + 2];\n          data[offset - 1] = data[offset + 3];\n          data[offset + rowSize] = data[offset + rowSize - 4];\n          data[offset + rowSize + 1] = data[offset + rowSize - 3];\n          data[offset + rowSize + 2] = data[offset + rowSize - 2];\n          data[offset + rowSize + 3] = data[offset + rowSize - 1];\n          offset -= imgRowSize;\n        }\n      }\n\n      // Replace queue items.\n      fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup);\n      argsArray.splice(iFirstSave, count * 4, [\n        {\n          width: imgWidth,\n          height: imgHeight,\n          kind: ImageKind.RGBA_32BPP,\n          data: imgData,\n        },\n        map,\n      ]);\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (save, transform, paintImageMaskXObject, restore)+\n  // sequences with one |paintImageMaskXObjectGroup| or one\n  // |paintImageMaskXObjectRepeat| operation.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintImageMaskXObject, OPS.restore],\n    null,\n    function iterateImageMaskGroup(context, i) {\n      var fnArray = context.fnArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          return fnArray[i] === OPS.transform;\n        case 2:\n          return fnArray[i] === OPS.paintImageMaskXObject;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateImageMaskGroup - invalid pos: ${pos}`);\n    },\n    function foundImageMaskGroup(context, i) {\n      var MIN_IMAGES_IN_MASKS_BLOCK = 10;\n      var MAX_IMAGES_IN_MASKS_BLOCK = 100;\n      var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIMXO = curr - 1;\n\n      // At this point, i is the index of the first op past the last valid\n      // quartet.\n      var count = Math.floor((i - iFirstSave) / 4);\n      count = handlePaintSolidColorImageMask(\n        iFirstSave,\n        count,\n        fnArray,\n        argsArray\n      );\n      if (count < MIN_IMAGES_IN_MASKS_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      var q;\n      var isSameImage = false;\n      var iTransform, transformArgs;\n      var firstPIMXOArg0 = argsArray[iFirstPIMXO][0];\n      const firstTransformArg0 = argsArray[iFirstTransform][0],\n        firstTransformArg1 = argsArray[iFirstTransform][1],\n        firstTransformArg2 = argsArray[iFirstTransform][2],\n        firstTransformArg3 = argsArray[iFirstTransform][3];\n\n      if (firstTransformArg1 === firstTransformArg2) {\n        isSameImage = true;\n        iTransform = iFirstTransform + 4;\n        var iPIMXO = iFirstPIMXO + 4;\n        for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) {\n          transformArgs = argsArray[iTransform];\n          if (\n            argsArray[iPIMXO][0] !== firstPIMXOArg0 ||\n            transformArgs[0] !== firstTransformArg0 ||\n            transformArgs[1] !== firstTransformArg1 ||\n            transformArgs[2] !== firstTransformArg2 ||\n            transformArgs[3] !== firstTransformArg3\n          ) {\n            if (q < MIN_IMAGES_IN_MASKS_BLOCK) {\n              isSameImage = false;\n            } else {\n              count = q;\n            }\n            break; // different image or transform\n          }\n        }\n      }\n\n      if (isSameImage) {\n        count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK);\n        var positions = new Float32Array(count * 2);\n        iTransform = iFirstTransform;\n        for (q = 0; q < count; q++, iTransform += 4) {\n          transformArgs = argsArray[iTransform];\n          positions[q << 1] = transformArgs[4];\n          positions[(q << 1) + 1] = transformArgs[5];\n        }\n\n        // Replace queue items.\n        fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat);\n        argsArray.splice(iFirstSave, count * 4, [\n          firstPIMXOArg0,\n          firstTransformArg0,\n          firstTransformArg1,\n          firstTransformArg2,\n          firstTransformArg3,\n          positions,\n        ]);\n      } else {\n        count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK);\n        var images = [];\n        for (q = 0; q < count; q++) {\n          transformArgs = argsArray[iFirstTransform + (q << 2)];\n          var maskParams = argsArray[iFirstPIMXO + (q << 2)][0];\n          images.push({\n            data: maskParams.data,\n            width: maskParams.width,\n            height: maskParams.height,\n            transform: transformArgs,\n          });\n        }\n\n        // Replace queue items.\n        fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup);\n        argsArray.splice(iFirstSave, count * 4, [images]);\n      }\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (save, transform, paintImageXObject, restore)+ sequences\n  // with one paintImageXObjectRepeat operation, if the |transform| and\n  // |paintImageXObjectRepeat| ops are appropriate.\n  addState(\n    InitialState,\n    [OPS.save, OPS.transform, OPS.paintImageXObject, OPS.restore],\n    function (context) {\n      var argsArray = context.argsArray;\n      var iFirstTransform = context.iCurr - 2;\n      return (\n        argsArray[iFirstTransform][1] === 0 &&\n        argsArray[iFirstTransform][2] === 0\n      );\n    },\n    function iterateImageGroup(context, i) {\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var iFirstSave = context.iCurr - 3;\n      var pos = (i - iFirstSave) % 4;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.save;\n        case 1:\n          if (fnArray[i] !== OPS.transform) {\n            return false;\n          }\n          var iFirstTransform = context.iCurr - 2;\n          var firstTransformArg0 = argsArray[iFirstTransform][0];\n          var firstTransformArg3 = argsArray[iFirstTransform][3];\n          if (\n            argsArray[i][0] !== firstTransformArg0 ||\n            argsArray[i][1] !== 0 ||\n            argsArray[i][2] !== 0 ||\n            argsArray[i][3] !== firstTransformArg3\n          ) {\n            return false; // transforms don't match\n          }\n          return true;\n        case 2:\n          if (fnArray[i] !== OPS.paintImageXObject) {\n            return false;\n          }\n          var iFirstPIXO = context.iCurr - 1;\n          var firstPIXOArg0 = argsArray[iFirstPIXO][0];\n          if (argsArray[i][0] !== firstPIXOArg0) {\n            return false; // images don't match\n          }\n          return true;\n        case 3:\n          return fnArray[i] === OPS.restore;\n      }\n      throw new Error(`iterateImageGroup - invalid pos: ${pos}`);\n    },\n    function (context, i) {\n      var MIN_IMAGES_IN_BLOCK = 3;\n      var MAX_IMAGES_IN_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstSave = curr - 3;\n      var iFirstTransform = curr - 2;\n      var iFirstPIXO = curr - 1;\n      var firstPIXOArg0 = argsArray[iFirstPIXO][0];\n      var firstTransformArg0 = argsArray[iFirstTransform][0];\n      var firstTransformArg3 = argsArray[iFirstTransform][3];\n\n      // At this point, i is the index of the first op past the last valid\n      // quartet.\n      var count = Math.min(\n        Math.floor((i - iFirstSave) / 4),\n        MAX_IMAGES_IN_BLOCK\n      );\n      if (count < MIN_IMAGES_IN_BLOCK) {\n        return i - ((i - iFirstSave) % 4);\n      }\n\n      // Extract the (x,y) positions from all of the matching transforms.\n      var positions = new Float32Array(count * 2);\n      var iTransform = iFirstTransform;\n      for (var q = 0; q < count; q++, iTransform += 4) {\n        var transformArgs = argsArray[iTransform];\n        positions[q << 1] = transformArgs[4];\n        positions[(q << 1) + 1] = transformArgs[5];\n      }\n\n      // Replace queue items.\n      var args = [\n        firstPIXOArg0,\n        firstTransformArg0,\n        firstTransformArg3,\n        positions,\n      ];\n      fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat);\n      argsArray.splice(iFirstSave, count * 4, args);\n\n      return iFirstSave + 1;\n    }\n  );\n\n  // This replaces (beginText, setFont, setTextMatrix, showText, endText)+\n  // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+\n  // sequences, if the font for each one is the same.\n  addState(\n    InitialState,\n    [OPS.beginText, OPS.setFont, OPS.setTextMatrix, OPS.showText, OPS.endText],\n    null,\n    function iterateShowTextGroup(context, i) {\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var iFirstSave = context.iCurr - 4;\n      var pos = (i - iFirstSave) % 5;\n      switch (pos) {\n        case 0:\n          return fnArray[i] === OPS.beginText;\n        case 1:\n          return fnArray[i] === OPS.setFont;\n        case 2:\n          return fnArray[i] === OPS.setTextMatrix;\n        case 3:\n          if (fnArray[i] !== OPS.showText) {\n            return false;\n          }\n          var iFirstSetFont = context.iCurr - 3;\n          var firstSetFontArg0 = argsArray[iFirstSetFont][0];\n          var firstSetFontArg1 = argsArray[iFirstSetFont][1];\n          if (\n            argsArray[i][0] !== firstSetFontArg0 ||\n            argsArray[i][1] !== firstSetFontArg1\n          ) {\n            return false; // fonts don't match\n          }\n          return true;\n        case 4:\n          return fnArray[i] === OPS.endText;\n      }\n      throw new Error(`iterateShowTextGroup - invalid pos: ${pos}`);\n    },\n    function (context, i) {\n      var MIN_CHARS_IN_BLOCK = 3;\n      var MAX_CHARS_IN_BLOCK = 1000;\n\n      var fnArray = context.fnArray,\n        argsArray = context.argsArray;\n      var curr = context.iCurr;\n      var iFirstBeginText = curr - 4;\n      var iFirstSetFont = curr - 3;\n      var iFirstSetTextMatrix = curr - 2;\n      var iFirstShowText = curr - 1;\n      var iFirstEndText = curr;\n      var firstSetFontArg0 = argsArray[iFirstSetFont][0];\n      var firstSetFontArg1 = argsArray[iFirstSetFont][1];\n\n      // At this point, i is the index of the first op past the last valid\n      // quintet.\n      var count = Math.min(\n        Math.floor((i - iFirstBeginText) / 5),\n        MAX_CHARS_IN_BLOCK\n      );\n      if (count < MIN_CHARS_IN_BLOCK) {\n        return i - ((i - iFirstBeginText) % 5);\n      }\n\n      // If the preceding quintet is (<something>, setFont, setTextMatrix,\n      // showText, endText), include that as well. (E.g. <something> might be\n      // |dependency|.)\n      var iFirst = iFirstBeginText;\n      if (\n        iFirstBeginText >= 4 &&\n        fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] &&\n        fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] &&\n        fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] &&\n        fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] &&\n        argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 &&\n        argsArray[iFirstBeginText - 4][1] === firstSetFontArg1\n      ) {\n        count++;\n        iFirst -= 5;\n      }\n\n      // Remove (endText, beginText, setFont) trios.\n      var iEndText = iFirst + 4;\n      for (var q = 1; q < count; q++) {\n        fnArray.splice(iEndText, 3);\n        argsArray.splice(iEndText, 3);\n        iEndText += 2;\n      }\n\n      return iEndText + 1;\n    }\n  );\n\n  // eslint-disable-next-line no-shadow\n  function QueueOptimizer(queue) {\n    this.queue = queue;\n    this.state = null;\n    this.context = {\n      iCurr: 0,\n      fnArray: queue.fnArray,\n      argsArray: queue.argsArray,\n    };\n    this.match = null;\n    this.lastProcessed = 0;\n  }\n\n  QueueOptimizer.prototype = {\n    _optimize() {\n      // Process new fnArray item(s) chunk.\n      const fnArray = this.queue.fnArray;\n      let i = this.lastProcessed,\n        ii = fnArray.length;\n      let state = this.state;\n      let match = this.match;\n      if (!state && !match && i + 1 === ii && !InitialState[fnArray[i]]) {\n        // Micro-optimization for the common case: last item is not\n        // optimizable, just skipping it.\n        this.lastProcessed = ii;\n        return;\n      }\n\n      const context = this.context;\n      while (i < ii) {\n        if (match) {\n          // Already find a block of potentially optimizable items, iterating...\n          const iterate = (0, match.iterateFn)(context, i);\n          if (iterate) {\n            i++;\n            continue;\n          }\n          // Found last items for the block, processing...\n          i = (0, match.processFn)(context, i + 1);\n          ii = fnArray.length;\n          match = null;\n          state = null;\n          if (i >= ii) {\n            break;\n          }\n        }\n        // Find the potentially optimizable items.\n        state = (state || InitialState)[fnArray[i]];\n        if (!state || Array.isArray(state)) {\n          i++;\n          continue;\n        }\n        // Found a start of the block based on addState rules.\n        context.iCurr = i;\n        i++;\n        if (state.checkFn && !(0, state.checkFn)(context)) {\n          // Check failed, continue search...\n          state = null;\n          continue;\n        }\n        match = state;\n        state = null;\n      }\n      this.state = state;\n      this.match = match;\n      this.lastProcessed = i;\n    },\n\n    push(fn, args) {\n      this.queue.fnArray.push(fn);\n      this.queue.argsArray.push(args);\n      this._optimize();\n    },\n\n    flush() {\n      while (this.match) {\n        const length = this.queue.fnArray.length;\n        this.lastProcessed = (0, this.match.processFn)(this.context, length);\n        this.match = null;\n        this.state = null;\n        // Repeat optimization until all chunks are exhausted.\n        this._optimize();\n      }\n    },\n\n    reset() {\n      this.state = null;\n      this.match = null;\n      this.lastProcessed = 0;\n    },\n  };\n  return QueueOptimizer;\n})();\n\nvar NullOptimizer = (function NullOptimizerClosure() {\n  // eslint-disable-next-line no-shadow\n  function NullOptimizer(queue) {\n    this.queue = queue;\n  }\n\n  NullOptimizer.prototype = {\n    push(fn, args) {\n      this.queue.fnArray.push(fn);\n      this.queue.argsArray.push(args);\n    },\n\n    flush() {},\n\n    reset() {},\n  };\n\n  return NullOptimizer;\n})();\n\nvar OperatorList = (function OperatorListClosure() {\n  var CHUNK_SIZE = 1000;\n  var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; // close to chunk size\n\n  // eslint-disable-next-line no-shadow\n  function OperatorList(intent, streamSink) {\n    this._streamSink = streamSink;\n    this.fnArray = [];\n    this.argsArray = [];\n    if (streamSink && intent !== \"oplist\") {\n      this.optimizer = new QueueOptimizer(this);\n    } else {\n      this.optimizer = new NullOptimizer(this);\n    }\n    this.dependencies = new Set();\n    this._totalLength = 0;\n    this.weight = 0;\n    this._resolved = streamSink ? null : Promise.resolve();\n  }\n\n  OperatorList.prototype = {\n    get length() {\n      return this.argsArray.length;\n    },\n\n    get ready() {\n      return this._resolved || this._streamSink.ready;\n    },\n\n    /**\n     * @type {number} The total length of the entire operator list, since\n     *                `this.length === 0` after flushing.\n     */\n    get totalLength() {\n      return this._totalLength + this.length;\n    },\n\n    addOp(fn, args) {\n      this.optimizer.push(fn, args);\n      this.weight++;\n      if (this._streamSink) {\n        if (this.weight >= CHUNK_SIZE) {\n          this.flush();\n        } else if (\n          this.weight >= CHUNK_SIZE_ABOUT &&\n          (fn === OPS.restore || fn === OPS.endText)\n        ) {\n          // heuristic to flush on boundary of restore or endText\n          this.flush();\n        }\n      }\n    },\n\n    addDependency(dependency) {\n      if (this.dependencies.has(dependency)) {\n        return;\n      }\n      this.dependencies.add(dependency);\n      this.addOp(OPS.dependency, [dependency]);\n    },\n\n    addDependencies(dependencies) {\n      for (const dependency of dependencies) {\n        this.addDependency(dependency);\n      }\n    },\n\n    addOpList(opList) {\n      if (!(opList instanceof OperatorList)) {\n        warn('addOpList - ignoring invalid \"opList\" parameter.');\n        return;\n      }\n      for (const dependency of opList.dependencies) {\n        this.dependencies.add(dependency);\n      }\n      for (var i = 0, ii = opList.length; i < ii; i++) {\n        this.addOp(opList.fnArray[i], opList.argsArray[i]);\n      }\n    },\n\n    getIR() {\n      return {\n        fnArray: this.fnArray,\n        argsArray: this.argsArray,\n        length: this.length,\n      };\n    },\n\n    get _transfers() {\n      const transfers = [];\n      const { fnArray, argsArray, length } = this;\n      for (let i = 0; i < length; i++) {\n        switch (fnArray[i]) {\n          case OPS.paintInlineImageXObject:\n          case OPS.paintInlineImageXObjectGroup:\n          case OPS.paintImageMaskXObject:\n            const arg = argsArray[i][0]; // first param in imgData\n\n            if (\n              typeof PDFJSDev === \"undefined\" ||\n              PDFJSDev.test(\"!PRODUCTION || TESTING\")\n            ) {\n              assert(\n                arg.data instanceof Uint8ClampedArray,\n                'OperatorList._transfers: Unsupported \"arg.data\" type.'\n              );\n            }\n            if (!arg.cached) {\n              transfers.push(arg.data.buffer);\n            }\n            break;\n        }\n      }\n      return transfers;\n    },\n\n    flush(lastChunk = false) {\n      this.optimizer.flush();\n      const length = this.length;\n      this._totalLength += length;\n\n      this._streamSink.enqueue(\n        {\n          fnArray: this.fnArray,\n          argsArray: this.argsArray,\n          lastChunk,\n          length,\n        },\n        1,\n        this._transfers\n      );\n\n      this.dependencies.clear();\n      this.fnArray.length = 0;\n      this.argsArray.length = 0;\n      this.weight = 0;\n      this.optimizer.reset();\n    },\n  };\n\n  return OperatorList;\n})();\n\nexport { OperatorList };\n","/* Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { bytesToString, escapeString } from \"../shared/util.js\";\nimport { Dict, isDict, isName, isRef, isStream, Name } from \"./primitives.js\";\nimport { calculateMD5 } from \"./crypto.js\";\n\nfunction writeDict(dict, buffer, transform) {\n  buffer.push(\"<<\");\n  for (const key of dict.getKeys()) {\n    buffer.push(` /${key} `);\n    writeValue(dict.getRaw(key), buffer, transform);\n  }\n  buffer.push(\">>\");\n}\n\nfunction writeStream(stream, buffer, transform) {\n  writeDict(stream.dict, buffer, transform);\n  buffer.push(\" stream\\n\");\n  let string = bytesToString(stream.getBytes());\n  if (transform !== null) {\n    string = transform.encryptString(string);\n  }\n  buffer.push(string);\n  buffer.push(\"\\nendstream\\n\");\n}\n\nfunction writeArray(array, buffer, transform) {\n  buffer.push(\"[\");\n  let first = true;\n  for (const val of array) {\n    if (!first) {\n      buffer.push(\" \");\n    } else {\n      first = false;\n    }\n    writeValue(val, buffer, transform);\n  }\n  buffer.push(\"]\");\n}\n\nfunction numberToString(value) {\n  if (Number.isInteger(value)) {\n    return value.toString();\n  }\n\n  const roundedValue = Math.round(value * 100);\n  if (roundedValue % 100 === 0) {\n    return (roundedValue / 100).toString();\n  }\n\n  if (roundedValue % 10 === 0) {\n    return value.toFixed(1);\n  }\n\n  return value.toFixed(2);\n}\n\nfunction writeValue(value, buffer, transform) {\n  if (isName(value)) {\n    buffer.push(`/${value.name}`);\n  } else if (isRef(value)) {\n    buffer.push(`${value.num} ${value.gen} R`);\n  } else if (Array.isArray(value)) {\n    writeArray(value, buffer, transform);\n  } else if (typeof value === \"string\") {\n    if (transform !== null) {\n      value = transform.encryptString(value);\n    }\n    buffer.push(`(${escapeString(value)})`);\n  } else if (typeof value === \"number\") {\n    buffer.push(numberToString(value));\n  } else if (isDict(value)) {\n    writeDict(value, buffer, transform);\n  } else if (isStream(value)) {\n    writeStream(value, buffer, transform);\n  }\n}\n\nfunction writeInt(number, size, offset, buffer) {\n  for (let i = size + offset - 1; i > offset - 1; i--) {\n    buffer[i] = number & 0xff;\n    number >>= 8;\n  }\n  return offset + size;\n}\n\nfunction writeString(string, offset, buffer) {\n  for (let i = 0, len = string.length; i < len; i++) {\n    buffer[offset + i] = string.charCodeAt(i) & 0xff;\n  }\n}\n\nfunction computeMD5(filesize, xrefInfo) {\n  const time = Math.floor(Date.now() / 1000);\n  const filename = xrefInfo.filename || \"\";\n  const md5Buffer = [time.toString(), filename, filesize.toString()];\n  let md5BufferLen = md5Buffer.reduce((a, str) => a + str.length, 0);\n  for (const value of Object.values(xrefInfo.info)) {\n    md5Buffer.push(value);\n    md5BufferLen += value.length;\n  }\n\n  const array = new Uint8Array(md5BufferLen);\n  let offset = 0;\n  for (const str of md5Buffer) {\n    writeString(str, offset, array);\n    offset += str.length;\n  }\n  return bytesToString(calculateMD5(array));\n}\n\nfunction incrementalUpdate(originalData, xrefInfo, newRefs) {\n  const newXref = new Dict(null);\n  const refForXrefTable = xrefInfo.newRef;\n\n  let buffer, baseOffset;\n  const lastByte = originalData[originalData.length - 1];\n  if (lastByte === /* \\n */ 0x0a || lastByte === /* \\r */ 0x0d) {\n    buffer = [];\n    baseOffset = originalData.length;\n  } else {\n    // Avoid to concatenate %%EOF with an object definition\n    buffer = [\"\\n\"];\n    baseOffset = originalData.length + 1;\n  }\n\n  newXref.set(\"Size\", refForXrefTable.num + 1);\n  newXref.set(\"Prev\", xrefInfo.startXRef);\n  newXref.set(\"Type\", Name.get(\"XRef\"));\n\n  if (xrefInfo.rootRef !== null) {\n    newXref.set(\"Root\", xrefInfo.rootRef);\n  }\n  if (xrefInfo.infoRef !== null) {\n    newXref.set(\"Info\", xrefInfo.infoRef);\n  }\n  if (xrefInfo.encrypt !== null) {\n    newXref.set(\"Encrypt\", xrefInfo.encrypt);\n  }\n\n  // Add a ref for the new xref and sort them\n  newRefs.push({ ref: refForXrefTable, data: \"\" });\n  newRefs = newRefs.sort((a, b) => {\n    // compare the refs\n    return a.ref.num - b.ref.num;\n  });\n\n  const xrefTableData = [[0, 1, 0xffff]];\n  const indexes = [0, 1];\n  let maxOffset = 0;\n  for (const { ref, data } of newRefs) {\n    maxOffset = Math.max(maxOffset, baseOffset);\n    xrefTableData.push([1, baseOffset, Math.min(ref.gen, 0xffff)]);\n    baseOffset += data.length;\n    indexes.push(ref.num);\n    indexes.push(1);\n    buffer.push(data);\n  }\n\n  newXref.set(\"Index\", indexes);\n\n  if (xrefInfo.fileIds.length !== 0) {\n    const md5 = computeMD5(baseOffset, xrefInfo);\n    newXref.set(\"ID\", [xrefInfo.fileIds[0], md5]);\n  }\n\n  const offsetSize = Math.ceil(Math.log2(maxOffset) / 8);\n  const sizes = [1, offsetSize, 2];\n  const structSize = sizes[0] + sizes[1] + sizes[2];\n  const tableLength = structSize * xrefTableData.length;\n  newXref.set(\"W\", sizes);\n  newXref.set(\"Length\", tableLength);\n\n  buffer.push(`${refForXrefTable.num} ${refForXrefTable.gen} obj\\n`);\n  writeDict(newXref, buffer, null);\n  buffer.push(\" stream\\n\");\n\n  const bufferLen = buffer.reduce((a, str) => a + str.length, 0);\n  const footer = `\\nendstream\\nendobj\\nstartxref\\n${baseOffset}\\n%%EOF\\n`;\n  const array = new Uint8Array(\n    originalData.length + bufferLen + tableLength + footer.length\n  );\n\n  // Original data\n  array.set(originalData);\n  let offset = originalData.length;\n\n  // New data\n  for (const str of buffer) {\n    writeString(str, offset, array);\n    offset += str.length;\n  }\n\n  // New xref table\n  for (const [type, objOffset, gen] of xrefTableData) {\n    offset = writeInt(type, sizes[0], offset, array);\n    offset = writeInt(objOffset, sizes[1], offset, array);\n    offset = writeInt(gen, sizes[2], offset, array);\n  }\n\n  // Add the footer\n  writeString(footer, offset, array);\n\n  return array;\n}\n\nexport { writeDict, incrementalUpdate };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AbortException,\n  assert,\n  CMapCompressionType,\n  createPromiseCapability,\n  FONT_IDENTITY_MATRIX,\n  FormatError,\n  IDENTITY_MATRIX,\n  info,\n  isArrayEqual,\n  isNum,\n  isString,\n  OPS,\n  shadow,\n  stringToPDFString,\n  TextRenderingMode,\n  UNSUPPORTED_FEATURES,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { CMapFactory, IdentityCMap } from \"./cmap.js\";\nimport {\n  Cmd,\n  Dict,\n  EOF,\n  isDict,\n  isName,\n  isRef,\n  isStream,\n  Name,\n  Ref,\n  RefSet,\n} from \"./primitives.js\";\nimport {\n  ErrorFont,\n  Font,\n  FontFlags,\n  getFontType,\n  IdentityToUnicodeMap,\n  ToUnicodeMap,\n} from \"./fonts.js\";\nimport {\n  getEncoding,\n  MacRomanEncoding,\n  StandardEncoding,\n  SymbolSetEncoding,\n  WinAnsiEncoding,\n  ZapfDingbatsEncoding,\n} from \"./encodings.js\";\nimport { getLookupTableFactory, MissingDataException } from \"./core_utils.js\";\nimport {\n  getNormalizedUnicodes,\n  getUnicodeForGlyph,\n  reverseIfRtl,\n} from \"./unicode.js\";\nimport {\n  getSerifFonts,\n  getStdFontMap,\n  getSymbolsFonts,\n} from \"./standard_fonts.js\";\nimport { getTilingPatternIR, Pattern } from \"./pattern.js\";\nimport { isPDFFunction, PDFFunctionFactory } from \"./function.js\";\nimport { Lexer, Parser } from \"./parser.js\";\nimport {\n  LocalColorSpaceCache,\n  LocalGStateCache,\n  LocalImageCache,\n} from \"./image_utils.js\";\nimport { bidi } from \"./bidi.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { getGlyphsUnicode } from \"./glyphlist.js\";\nimport { getMetrics } from \"./metrics.js\";\nimport { MurmurHash3_64 } from \"./murmurhash3.js\";\nimport { OperatorList } from \"./operator_list.js\";\nimport { PDFImage } from \"./image.js\";\n\nconst DefaultPartialEvaluatorOptions = Object.freeze({\n  maxImageSize: -1,\n  disableFontFace: false,\n  ignoreErrors: false,\n  isEvalSupported: true,\n  fontExtraProperties: false,\n});\n\nconst PatternType = {\n  TILING: 1,\n  SHADING: 2,\n};\n\nconst deferred = Promise.resolve();\n\n// Convert PDF blend mode names to HTML5 blend mode names.\nfunction normalizeBlendMode(value, parsingArray = false) {\n  if (Array.isArray(value)) {\n    // Use the first *supported* BM value in the Array (fixes issue11279.pdf).\n    for (let i = 0, ii = value.length; i < ii; i++) {\n      const maybeBM = normalizeBlendMode(value[i], /* parsingArray = */ true);\n      if (maybeBM) {\n        return maybeBM;\n      }\n    }\n    warn(`Unsupported blend mode Array: ${value}`);\n    return \"source-over\";\n  }\n\n  if (!isName(value)) {\n    if (parsingArray) {\n      return null;\n    }\n    return \"source-over\";\n  }\n  switch (value.name) {\n    case \"Normal\":\n    case \"Compatible\":\n      return \"source-over\";\n    case \"Multiply\":\n      return \"multiply\";\n    case \"Screen\":\n      return \"screen\";\n    case \"Overlay\":\n      return \"overlay\";\n    case \"Darken\":\n      return \"darken\";\n    case \"Lighten\":\n      return \"lighten\";\n    case \"ColorDodge\":\n      return \"color-dodge\";\n    case \"ColorBurn\":\n      return \"color-burn\";\n    case \"HardLight\":\n      return \"hard-light\";\n    case \"SoftLight\":\n      return \"soft-light\";\n    case \"Difference\":\n      return \"difference\";\n    case \"Exclusion\":\n      return \"exclusion\";\n    case \"Hue\":\n      return \"hue\";\n    case \"Saturation\":\n      return \"saturation\";\n    case \"Color\":\n      return \"color\";\n    case \"Luminosity\":\n      return \"luminosity\";\n  }\n  if (parsingArray) {\n    return null;\n  }\n  warn(`Unsupported blend mode: ${value.name}`);\n  return \"source-over\";\n}\n\n// Trying to minimize Date.now() usage and check every 100 time.\nclass TimeSlotManager {\n  static get TIME_SLOT_DURATION_MS() {\n    return shadow(this, \"TIME_SLOT_DURATION_MS\", 20);\n  }\n\n  static get CHECK_TIME_EVERY() {\n    return shadow(this, \"CHECK_TIME_EVERY\", 100);\n  }\n\n  constructor() {\n    this.reset();\n  }\n\n  check() {\n    if (++this.checked < TimeSlotManager.CHECK_TIME_EVERY) {\n      return false;\n    }\n    this.checked = 0;\n    return this.endTime <= Date.now();\n  }\n\n  reset() {\n    this.endTime = Date.now() + TimeSlotManager.TIME_SLOT_DURATION_MS;\n    this.checked = 0;\n  }\n}\n\nclass PartialEvaluator {\n  constructor({\n    xref,\n    handler,\n    pageIndex,\n    idFactory,\n    fontCache,\n    builtInCMapCache,\n    globalImageCache,\n    options = null,\n  }) {\n    this.xref = xref;\n    this.handler = handler;\n    this.pageIndex = pageIndex;\n    this.idFactory = idFactory;\n    this.fontCache = fontCache;\n    this.builtInCMapCache = builtInCMapCache;\n    this.globalImageCache = globalImageCache;\n    this.options = options || DefaultPartialEvaluatorOptions;\n    this.parsingType3Font = false;\n\n    this._fetchBuiltInCMapBound = this.fetchBuiltInCMap.bind(this);\n  }\n\n  /**\n   * Since Functions are only cached (locally) by reference, we can share one\n   * `PDFFunctionFactory` instance within this `PartialEvaluator` instance.\n   */\n  get _pdfFunctionFactory() {\n    const pdfFunctionFactory = new PDFFunctionFactory({\n      xref: this.xref,\n      isEvalSupported: this.options.isEvalSupported,\n    });\n    return shadow(this, \"_pdfFunctionFactory\", pdfFunctionFactory);\n  }\n\n  clone(newOptions = DefaultPartialEvaluatorOptions) {\n    var newEvaluator = Object.create(this);\n    newEvaluator.options = newOptions;\n    return newEvaluator;\n  }\n\n  hasBlendModes(resources) {\n    if (!(resources instanceof Dict)) {\n      return false;\n    }\n\n    const processed = new RefSet();\n    if (resources.objId) {\n      processed.put(resources.objId);\n    }\n\n    var nodes = [resources],\n      xref = this.xref;\n    while (nodes.length) {\n      var node = nodes.shift();\n      // First check the current resources for blend modes.\n      var graphicStates = node.get(\"ExtGState\");\n      if (graphicStates instanceof Dict) {\n        for (let graphicState of graphicStates.getRawValues()) {\n          if (graphicState instanceof Ref) {\n            if (processed.has(graphicState)) {\n              continue; // The ExtGState has already been processed.\n            }\n            try {\n              graphicState = xref.fetch(graphicState);\n            } catch (ex) {\n              if (ex instanceof MissingDataException) {\n                throw ex;\n              }\n              // Avoid parsing a corrupt ExtGState more than once.\n              processed.put(graphicState);\n\n              info(`hasBlendModes - ignoring ExtGState: \"${ex}\".`);\n              continue;\n            }\n          }\n          if (!(graphicState instanceof Dict)) {\n            continue;\n          }\n          if (graphicState.objId) {\n            processed.put(graphicState.objId);\n          }\n\n          const bm = graphicState.get(\"BM\");\n          if (bm instanceof Name) {\n            if (bm.name !== \"Normal\") {\n              return true;\n            }\n            continue;\n          }\n          if (bm !== undefined && Array.isArray(bm)) {\n            for (const element of bm) {\n              if (element instanceof Name && element.name !== \"Normal\") {\n                return true;\n              }\n            }\n          }\n        }\n      }\n      // Descend into the XObjects to look for more resources and blend modes.\n      var xObjects = node.get(\"XObject\");\n      if (!(xObjects instanceof Dict)) {\n        continue;\n      }\n      for (let xObject of xObjects.getRawValues()) {\n        if (xObject instanceof Ref) {\n          if (processed.has(xObject)) {\n            // The XObject has already been processed, and by avoiding a\n            // redundant `xref.fetch` we can *significantly* reduce the load\n            // time for badly generated PDF files (fixes issue6961.pdf).\n            continue;\n          }\n          try {\n            xObject = xref.fetch(xObject);\n          } catch (ex) {\n            if (ex instanceof MissingDataException) {\n              throw ex;\n            }\n            // Avoid parsing a corrupt XObject more than once.\n            processed.put(xObject);\n\n            info(`hasBlendModes - ignoring XObject: \"${ex}\".`);\n            continue;\n          }\n        }\n        if (!isStream(xObject)) {\n          continue;\n        }\n        if (xObject.dict.objId) {\n          processed.put(xObject.dict.objId);\n        }\n        var xResources = xObject.dict.get(\"Resources\");\n        if (!(xResources instanceof Dict)) {\n          continue;\n        }\n        // Checking objId to detect an infinite loop.\n        if (xResources.objId && processed.has(xResources.objId)) {\n          continue;\n        }\n\n        nodes.push(xResources);\n        if (xResources.objId) {\n          processed.put(xResources.objId);\n        }\n      }\n    }\n    return false;\n  }\n\n  async fetchBuiltInCMap(name) {\n    const cachedData = this.builtInCMapCache.get(name);\n    if (cachedData) {\n      return cachedData;\n    }\n    const readableStream = this.handler.sendWithStream(\"FetchBuiltInCMap\", {\n      name,\n    });\n    const reader = readableStream.getReader();\n\n    const data = await new Promise(function (resolve, reject) {\n      function pump() {\n        reader.read().then(function ({ value, done }) {\n          if (done) {\n            return;\n          }\n          resolve(value);\n          pump();\n        }, reject);\n      }\n      pump();\n    });\n\n    if (data.compressionType !== CMapCompressionType.NONE) {\n      // Given the size of uncompressed CMaps, only cache compressed ones.\n      this.builtInCMapCache.set(name, data);\n    }\n    return data;\n  }\n\n  async buildFormXObject(\n    resources,\n    xobj,\n    smask,\n    operatorList,\n    task,\n    initialState,\n    localColorSpaceCache\n  ) {\n    var dict = xobj.dict;\n    var matrix = dict.getArray(\"Matrix\");\n    var bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      bbox = Util.normalizeRect(bbox);\n    } else {\n      bbox = null;\n    }\n    let optionalContent = null;\n    if (dict.has(\"OC\")) {\n      optionalContent = await this.parseMarkedContentProps(\n        dict.get(\"OC\"),\n        resources\n      );\n      operatorList.addOp(OPS.beginMarkedContentProps, [\"OC\", optionalContent]);\n    }\n    var group = dict.get(\"Group\");\n    if (group) {\n      var groupOptions = {\n        matrix,\n        bbox,\n        smask,\n        isolated: false,\n        knockout: false,\n      };\n\n      var groupSubtype = group.get(\"S\");\n      var colorSpace = null;\n      if (isName(groupSubtype, \"Transparency\")) {\n        groupOptions.isolated = group.get(\"I\") || false;\n        groupOptions.knockout = group.get(\"K\") || false;\n        if (group.has(\"CS\")) {\n          const cs = group.getRaw(\"CS\");\n\n          const cachedColorSpace = ColorSpace.getCached(\n            cs,\n            this.xref,\n            localColorSpaceCache\n          );\n          if (cachedColorSpace) {\n            colorSpace = cachedColorSpace;\n          } else {\n            colorSpace = await this.parseColorSpace({\n              cs,\n              resources,\n              localColorSpaceCache,\n            });\n          }\n        }\n      }\n\n      if (smask && smask.backdrop) {\n        colorSpace = colorSpace || ColorSpace.singletons.rgb;\n        smask.backdrop = colorSpace.getRgb(smask.backdrop, 0);\n      }\n\n      operatorList.addOp(OPS.beginGroup, [groupOptions]);\n    }\n\n    operatorList.addOp(OPS.paintFormXObjectBegin, [matrix, bbox]);\n\n    return this.getOperatorList({\n      stream: xobj,\n      task,\n      resources: dict.get(\"Resources\") || resources,\n      operatorList,\n      initialState,\n    }).then(function () {\n      operatorList.addOp(OPS.paintFormXObjectEnd, []);\n\n      if (group) {\n        operatorList.addOp(OPS.endGroup, [groupOptions]);\n      }\n\n      if (optionalContent) {\n        operatorList.addOp(OPS.endMarkedContent, []);\n      }\n    });\n  }\n\n  _sendImgData(objId, imgData, cacheGlobally = false) {\n    const transfers = imgData ? [imgData.data.buffer] : null;\n\n    if (this.parsingType3Font || cacheGlobally) {\n      return this.handler.send(\n        \"commonobj\",\n        [objId, \"Image\", imgData],\n        transfers\n      );\n    }\n    return this.handler.send(\n      \"obj\",\n      [objId, this.pageIndex, \"Image\", imgData],\n      transfers\n    );\n  }\n\n  async buildPaintImageXObject({\n    resources,\n    image,\n    isInline = false,\n    operatorList,\n    cacheKey,\n    localImageCache,\n    localColorSpaceCache,\n  }) {\n    var dict = image.dict;\n    const imageRef = dict.objId;\n    var w = dict.get(\"Width\", \"W\");\n    var h = dict.get(\"Height\", \"H\");\n\n    if (!(w && isNum(w)) || !(h && isNum(h))) {\n      warn(\"Image dimensions are missing, or not numbers.\");\n      return undefined;\n    }\n    var maxImageSize = this.options.maxImageSize;\n    if (maxImageSize !== -1 && w * h > maxImageSize) {\n      warn(\"Image exceeded maximum allowed size and was removed.\");\n      return undefined;\n    }\n\n    var imageMask = dict.get(\"ImageMask\", \"IM\") || false;\n    var imgData, args;\n    if (imageMask) {\n      // This depends on a tmpCanvas being filled with the\n      // current fillStyle, such that processing the pixel\n      // data can't be done here. Instead of creating a\n      // complete PDFImage, only read the information needed\n      // for later.\n\n      var width = dict.get(\"Width\", \"W\");\n      var height = dict.get(\"Height\", \"H\");\n      var bitStrideLength = (width + 7) >> 3;\n      var imgArray = image.getBytes(\n        bitStrideLength * height,\n        /* forceClamped = */ true\n      );\n      var decode = dict.getArray(\"Decode\", \"D\");\n\n      imgData = PDFImage.createMask({\n        imgArray,\n        width,\n        height,\n        imageIsFromDecodeStream: image instanceof DecodeStream,\n        inverseDecode: !!decode && decode[0] > 0,\n      });\n      imgData.cached = !!cacheKey;\n      args = [imgData];\n\n      operatorList.addOp(OPS.paintImageMaskXObject, args);\n      if (cacheKey) {\n        localImageCache.set(cacheKey, imageRef, {\n          fn: OPS.paintImageMaskXObject,\n          args,\n        });\n      }\n      return undefined;\n    }\n\n    var softMask = dict.get(\"SMask\", \"SM\") || false;\n    var mask = dict.get(\"Mask\") || false;\n\n    var SMALL_IMAGE_DIMENSIONS = 200;\n    // Inlining small images into the queue as RGB data\n    if (isInline && !softMask && !mask && w + h < SMALL_IMAGE_DIMENSIONS) {\n      const imageObj = new PDFImage({\n        xref: this.xref,\n        res: resources,\n        image,\n        isInline,\n        pdfFunctionFactory: this._pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n      // We force the use of RGBA_32BPP images here, because we can't handle\n      // any other kind.\n      imgData = imageObj.createImageData(/* forceRGBA = */ true);\n      operatorList.addOp(OPS.paintInlineImageXObject, [imgData]);\n      return undefined;\n    }\n\n    // If there is no imageMask, create the PDFImage and a lot\n    // of image processing can be done here.\n    let objId = `img_${this.idFactory.createObjId()}`,\n      cacheGlobally = false;\n\n    if (this.parsingType3Font) {\n      objId = `${this.idFactory.getDocId()}_type3_${objId}`;\n    } else if (imageRef) {\n      cacheGlobally = this.globalImageCache.shouldCache(\n        imageRef,\n        this.pageIndex\n      );\n\n      if (cacheGlobally) {\n        objId = `${this.idFactory.getDocId()}_${objId}`;\n      }\n    }\n\n    // Ensure that the dependency is added before the image is decoded.\n    operatorList.addDependency(objId);\n    args = [objId, w, h];\n\n    PDFImage.buildImage({\n      xref: this.xref,\n      res: resources,\n      image,\n      isInline,\n      pdfFunctionFactory: this._pdfFunctionFactory,\n      localColorSpaceCache,\n    })\n      .then(imageObj => {\n        imgData = imageObj.createImageData(/* forceRGBA = */ false);\n\n        return this._sendImgData(objId, imgData, cacheGlobally);\n      })\n      .catch(reason => {\n        warn(`Unable to decode image \"${objId}\": \"${reason}\".`);\n\n        return this._sendImgData(objId, /* imgData = */ null, cacheGlobally);\n      });\n\n    operatorList.addOp(OPS.paintImageXObject, args);\n    if (cacheKey) {\n      localImageCache.set(cacheKey, imageRef, {\n        fn: OPS.paintImageXObject,\n        args,\n      });\n\n      if (imageRef) {\n        assert(!isInline, \"Cannot cache an inline image globally.\");\n        this.globalImageCache.addPageIndex(imageRef, this.pageIndex);\n\n        if (cacheGlobally) {\n          this.globalImageCache.setData(imageRef, {\n            objId,\n            fn: OPS.paintImageXObject,\n            args,\n          });\n        }\n      }\n    }\n    return undefined;\n  }\n\n  handleSMask(\n    smask,\n    resources,\n    operatorList,\n    task,\n    stateManager,\n    localColorSpaceCache\n  ) {\n    var smaskContent = smask.get(\"G\");\n    var smaskOptions = {\n      subtype: smask.get(\"S\").name,\n      backdrop: smask.get(\"BC\"),\n    };\n\n    // The SMask might have a alpha/luminosity value transfer function --\n    // we will build a map of integer values in range 0..255 to be fast.\n    var transferObj = smask.get(\"TR\");\n    if (isPDFFunction(transferObj)) {\n      const transferFn = this._pdfFunctionFactory.create(transferObj);\n      var transferMap = new Uint8Array(256);\n      var tmp = new Float32Array(1);\n      for (var i = 0; i < 256; i++) {\n        tmp[0] = i / 255;\n        transferFn(tmp, 0, tmp, 0);\n        transferMap[i] = (tmp[0] * 255) | 0;\n      }\n      smaskOptions.transferMap = transferMap;\n    }\n\n    return this.buildFormXObject(\n      resources,\n      smaskContent,\n      smaskOptions,\n      operatorList,\n      task,\n      stateManager.state.clone(),\n      localColorSpaceCache\n    );\n  }\n\n  handleTransferFunction(tr) {\n    let transferArray;\n    if (Array.isArray(tr)) {\n      transferArray = tr;\n    } else if (isPDFFunction(tr)) {\n      transferArray = [tr];\n    } else {\n      return null; // Not a valid transfer function entry.\n    }\n\n    const transferMaps = [];\n    let numFns = 0,\n      numEffectfulFns = 0;\n    for (const entry of transferArray) {\n      const transferObj = this.xref.fetchIfRef(entry);\n      numFns++;\n\n      if (isName(transferObj, \"Identity\")) {\n        transferMaps.push(null);\n        continue;\n      } else if (!isPDFFunction(transferObj)) {\n        return null; // Not a valid transfer function object.\n      }\n\n      const transferFn = this._pdfFunctionFactory.create(transferObj);\n      const transferMap = new Uint8Array(256),\n        tmp = new Float32Array(1);\n      for (let j = 0; j < 256; j++) {\n        tmp[0] = j / 255;\n        transferFn(tmp, 0, tmp, 0);\n        transferMap[j] = (tmp[0] * 255) | 0;\n      }\n      transferMaps.push(transferMap);\n      numEffectfulFns++;\n    }\n\n    if (!(numFns === 1 || numFns === 4)) {\n      return null; // Only 1 or 4 functions are supported, by the specification.\n    }\n    if (numEffectfulFns === 0) {\n      return null; // Only /Identity transfer functions found, which are no-ops.\n    }\n    return transferMaps;\n  }\n\n  handleTilingType(\n    fn,\n    args,\n    resources,\n    pattern,\n    patternDict,\n    operatorList,\n    task\n  ) {\n    // Create an IR of the pattern code.\n    const tilingOpList = new OperatorList();\n    // Merge the available resources, to prevent issues when the patternDict\n    // is missing some /Resources entries (fixes issue6541.pdf).\n    const patternResources = Dict.merge({\n      xref: this.xref,\n      dictArray: [patternDict.get(\"Resources\"), resources],\n    });\n\n    return this.getOperatorList({\n      stream: pattern,\n      task,\n      resources: patternResources,\n      operatorList: tilingOpList,\n    })\n      .then(function () {\n        return getTilingPatternIR(\n          {\n            fnArray: tilingOpList.fnArray,\n            argsArray: tilingOpList.argsArray,\n          },\n          patternDict,\n          args\n        );\n      })\n      .then(\n        function (tilingPatternIR) {\n          // Add the dependencies to the parent operator list so they are\n          // resolved before the sub operator list is executed synchronously.\n          operatorList.addDependencies(tilingOpList.dependencies);\n          operatorList.addOp(fn, tilingPatternIR);\n        },\n        reason => {\n          if (reason instanceof AbortException) {\n            return;\n          }\n          if (this.options.ignoreErrors) {\n            // Error(s) in the TilingPattern -- sending unsupported feature\n            // notification and allow rendering to continue.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorTilingPattern,\n            });\n            warn(`handleTilingType - ignoring pattern: \"${reason}\".`);\n            return;\n          }\n          throw reason;\n        }\n      );\n  }\n\n  handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) {\n    // TODO(mack): Not needed?\n    var fontName,\n      fontSize = 0;\n    if (fontArgs) {\n      fontArgs = fontArgs.slice();\n      fontName = fontArgs[0].name;\n      fontSize = fontArgs[1];\n    }\n\n    return this.loadFont(fontName, fontRef, resources)\n      .then(translated => {\n        if (!translated.font.isType3Font) {\n          return translated;\n        }\n        return translated\n          .loadType3Data(this, resources, task)\n          .then(function () {\n            // Add the dependencies to the parent operatorList so they are\n            // resolved before Type3 operatorLists are executed synchronously.\n            operatorList.addDependencies(translated.type3Dependencies);\n\n            return translated;\n          })\n          .catch(reason => {\n            // Error in the font data -- sending unsupported feature\n            // notification.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorFontLoadType3,\n            });\n            return new TranslatedFont({\n              loadedName: \"g_font_error\",\n              font: new ErrorFont(`Type3 font load error: ${reason}`),\n              dict: translated.font,\n              extraProperties: this.options.fontExtraProperties,\n            });\n          });\n      })\n      .then(translated => {\n        state.font = translated.font;\n        state.fontSize = fontSize;\n        state.fontName = fontName;\n        translated.send(this.handler);\n        return translated.loadedName;\n      });\n  }\n\n  handleText(chars, state) {\n    const font = state.font;\n    const glyphs = font.charsToGlyphs(chars);\n\n    if (font.data) {\n      const isAddToPathSet = !!(\n        state.textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG\n      );\n      if (\n        isAddToPathSet ||\n        state.fillColorSpace.name === \"Pattern\" ||\n        font.disableFontFace ||\n        this.options.disableFontFace\n      ) {\n        PartialEvaluator.buildFontPaths(font, glyphs, this.handler);\n      }\n    }\n    return glyphs;\n  }\n\n  ensureStateFont(state) {\n    if (state.font) {\n      return;\n    }\n    const reason = new FormatError(\n      \"Missing setFont (Tf) operator before text rendering operator.\"\n    );\n\n    if (this.options.ignoreErrors) {\n      // Missing setFont operator before text rendering operator -- sending\n      // unsupported feature notification and allow rendering to continue.\n      this.handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.errorFontState,\n      });\n      warn(`ensureStateFont: \"${reason}\".`);\n      return;\n    }\n    throw reason;\n  }\n\n  async setGState({\n    resources,\n    gState,\n    operatorList,\n    cacheKey,\n    task,\n    stateManager,\n    localGStateCache,\n    localColorSpaceCache,\n  }) {\n    const gStateRef = gState.objId;\n    let isSimpleGState = true;\n    // This array holds the converted/processed state data.\n    var gStateObj = [];\n    var gStateKeys = gState.getKeys();\n    var promise = Promise.resolve();\n    for (var i = 0, ii = gStateKeys.length; i < ii; i++) {\n      const key = gStateKeys[i];\n      const value = gState.get(key);\n      switch (key) {\n        case \"Type\":\n          break;\n        case \"LW\":\n        case \"LC\":\n        case \"LJ\":\n        case \"ML\":\n        case \"D\":\n        case \"RI\":\n        case \"FL\":\n        case \"CA\":\n        case \"ca\":\n          gStateObj.push([key, value]);\n          break;\n        case \"Font\":\n          isSimpleGState = false;\n\n          promise = promise.then(() => {\n            return this.handleSetFont(\n              resources,\n              null,\n              value[0],\n              operatorList,\n              task,\n              stateManager.state\n            ).then(function (loadedName) {\n              operatorList.addDependency(loadedName);\n              gStateObj.push([key, [loadedName, value[1]]]);\n            });\n          });\n          break;\n        case \"BM\":\n          gStateObj.push([key, normalizeBlendMode(value)]);\n          break;\n        case \"SMask\":\n          if (isName(value, \"None\")) {\n            gStateObj.push([key, false]);\n            break;\n          }\n          if (isDict(value)) {\n            isSimpleGState = false;\n\n            promise = promise.then(() => {\n              return this.handleSMask(\n                value,\n                resources,\n                operatorList,\n                task,\n                stateManager,\n                localColorSpaceCache\n              );\n            });\n            gStateObj.push([key, true]);\n          } else {\n            warn(\"Unsupported SMask type\");\n          }\n          break;\n        case \"TR\":\n          const transferMaps = this.handleTransferFunction(value);\n          gStateObj.push([key, transferMaps]);\n          break;\n        // Only generate info log messages for the following since\n        // they are unlikely to have a big impact on the rendering.\n        case \"OP\":\n        case \"op\":\n        case \"OPM\":\n        case \"BG\":\n        case \"BG2\":\n        case \"UCR\":\n        case \"UCR2\":\n        case \"TR2\":\n        case \"HT\":\n        case \"SM\":\n        case \"SA\":\n        case \"AIS\":\n        case \"TK\":\n          // TODO implement these operators.\n          info(\"graphic state operator \" + key);\n          break;\n        default:\n          info(\"Unknown graphic state operator \" + key);\n          break;\n      }\n    }\n    return promise.then(function () {\n      if (gStateObj.length > 0) {\n        operatorList.addOp(OPS.setGState, [gStateObj]);\n      }\n\n      if (isSimpleGState) {\n        localGStateCache.set(cacheKey, gStateRef, gStateObj);\n      }\n    });\n  }\n\n  loadFont(fontName, font, resources) {\n    const errorFont = () => {\n      return Promise.resolve(\n        new TranslatedFont({\n          loadedName: \"g_font_error\",\n          font: new ErrorFont(`Font \"${fontName}\" is not available.`),\n          dict: font,\n          extraProperties: this.options.fontExtraProperties,\n        })\n      );\n    };\n\n    var fontRef,\n      xref = this.xref;\n    if (font) {\n      // Loading by ref.\n      if (!isRef(font)) {\n        throw new FormatError('The \"font\" object should be a reference.');\n      }\n      fontRef = font;\n    } else {\n      // Loading by name.\n      var fontRes = resources.get(\"Font\");\n      if (fontRes) {\n        fontRef = fontRes.getRaw(fontName);\n      }\n    }\n    if (!fontRef) {\n      const partialMsg = `Font \"${\n        fontName || (font && font.toString())\n      }\" is not available`;\n\n      if (!this.options.ignoreErrors && !this.parsingType3Font) {\n        warn(`${partialMsg}.`);\n        return errorFont();\n      }\n      // Font not found -- sending unsupported feature notification.\n      this.handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.errorFontMissing,\n      });\n      warn(`${partialMsg} -- attempting to fallback to a default font.`);\n\n      // Falling back to a default font to avoid completely broken rendering,\n      // but note that there're no guarantees that things will look \"correct\".\n      fontRef = PartialEvaluator.fallbackFontDict;\n    }\n\n    if (this.fontCache.has(fontRef)) {\n      return this.fontCache.get(fontRef);\n    }\n\n    font = xref.fetchIfRef(fontRef);\n    if (!isDict(font)) {\n      return errorFont();\n    }\n\n    // We are holding `font.translated` references just for `fontRef`s that\n    // are not actually `Ref`s, but rather `Dict`s. See explanation below.\n    if (font.translated) {\n      return font.translated;\n    }\n\n    var fontCapability = createPromiseCapability();\n\n    var preEvaluatedFont = this.preEvaluateFont(font);\n    const { descriptor, hash } = preEvaluatedFont;\n\n    var fontRefIsRef = isRef(fontRef),\n      fontID;\n    if (fontRefIsRef) {\n      fontID = `f${fontRef.toString()}`;\n    }\n\n    if (hash && isDict(descriptor)) {\n      if (!descriptor.fontAliases) {\n        descriptor.fontAliases = Object.create(null);\n      }\n      var fontAliases = descriptor.fontAliases;\n\n      if (fontAliases[hash]) {\n        var aliasFontRef = fontAliases[hash].aliasRef;\n        if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) {\n          this.fontCache.putAlias(fontRef, aliasFontRef);\n          return this.fontCache.get(fontRef);\n        }\n      } else {\n        fontAliases[hash] = {\n          fontID: this.idFactory.createFontId(),\n        };\n      }\n\n      if (fontRefIsRef) {\n        fontAliases[hash].aliasRef = fontRef;\n      }\n      fontID = fontAliases[hash].fontID;\n    }\n\n    // Workaround for bad PDF generators that reference fonts incorrectly,\n    // where `fontRef` is a `Dict` rather than a `Ref` (fixes bug946506.pdf).\n    // In this case we should not put the font into `this.fontCache` (which is\n    // a `RefSetCache`), since it's not meaningful to use a `Dict` as a key.\n    //\n    // However, if we don't cache the font it's not possible to remove it\n    // when `cleanup` is triggered from the API, which causes issues on\n    // subsequent rendering operations (see issue7403.pdf).\n    // A simple workaround would be to just not hold `font.translated`\n    // references in this case, but this would force us to unnecessarily load\n    // the same fonts over and over.\n    //\n    // Instead, we cheat a bit by attempting to use a modified `fontID` as a\n    // key in `this.fontCache`, to allow the font to be cached.\n    // NOTE: This works because `RefSetCache` calls `toString()` on provided\n    //       keys. Also, since `fontRef` is used when getting cached fonts,\n    //       we'll not accidentally match fonts cached with the `fontID`.\n    if (fontRefIsRef) {\n      this.fontCache.put(fontRef, fontCapability.promise);\n    } else {\n      if (!fontID) {\n        fontID = this.idFactory.createFontId();\n      }\n      this.fontCache.put(`id_${fontID}`, fontCapability.promise);\n    }\n    assert(\n      fontID && fontID.startsWith(\"f\"),\n      'The \"fontID\" must be (correctly) defined.'\n    );\n\n    // Keep track of each font we translated so the caller can\n    // load them asynchronously before calling display on a page.\n    font.loadedName = `${this.idFactory.getDocId()}_${fontID}`;\n\n    font.translated = fontCapability.promise;\n\n    // TODO move promises into translate font\n    var translatedPromise;\n    try {\n      translatedPromise = this.translateFont(preEvaluatedFont);\n    } catch (e) {\n      translatedPromise = Promise.reject(e);\n    }\n\n    translatedPromise\n      .then(translatedFont => {\n        if (translatedFont.fontType !== undefined) {\n          var xrefFontStats = xref.stats.fontTypes;\n          xrefFontStats[translatedFont.fontType] = true;\n        }\n\n        fontCapability.resolve(\n          new TranslatedFont({\n            loadedName: font.loadedName,\n            font: translatedFont,\n            dict: font,\n            extraProperties: this.options.fontExtraProperties,\n          })\n        );\n      })\n      .catch(reason => {\n        // TODO fontCapability.reject?\n        // Error in the font data -- sending unsupported feature notification.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorFontTranslate,\n        });\n\n        try {\n          // error, but it's still nice to have font type reported\n          var fontFile3 = descriptor && descriptor.get(\"FontFile3\");\n          var subtype = fontFile3 && fontFile3.get(\"Subtype\");\n          var fontType = getFontType(\n            preEvaluatedFont.type,\n            subtype && subtype.name\n          );\n          var xrefFontStats = xref.stats.fontTypes;\n          xrefFontStats[fontType] = true;\n        } catch (ex) {}\n\n        fontCapability.resolve(\n          new TranslatedFont({\n            loadedName: font.loadedName,\n            font: new ErrorFont(\n              reason instanceof Error ? reason.message : reason\n            ),\n            dict: font,\n            extraProperties: this.options.fontExtraProperties,\n          })\n        );\n      });\n    return fontCapability.promise;\n  }\n\n  buildPath(operatorList, fn, args, parsingText = false) {\n    var lastIndex = operatorList.length - 1;\n    if (!args) {\n      args = [];\n    }\n    if (\n      lastIndex < 0 ||\n      operatorList.fnArray[lastIndex] !== OPS.constructPath\n    ) {\n      // Handle corrupt PDF documents that contains path operators inside of\n      // text objects, which may shift subsequent text, by enclosing the path\n      // operator in save/restore operators (fixes issue10542_reduced.pdf).\n      //\n      // Note that this will effectively disable the optimization in the\n      // `else` branch below, but given that this type of corruption is\n      // *extremely* rare that shouldn't really matter much in practice.\n      if (parsingText) {\n        warn(`Encountered path operator \"${fn}\" inside of a text object.`);\n        operatorList.addOp(OPS.save, null);\n      }\n\n      operatorList.addOp(OPS.constructPath, [[fn], args]);\n\n      if (parsingText) {\n        operatorList.addOp(OPS.restore, null);\n      }\n    } else {\n      var opArgs = operatorList.argsArray[lastIndex];\n      opArgs[0].push(fn);\n      Array.prototype.push.apply(opArgs[1], args);\n    }\n  }\n\n  parseColorSpace({ cs, resources, localColorSpaceCache }) {\n    return ColorSpace.parseAsync({\n      cs,\n      xref: this.xref,\n      resources,\n      pdfFunctionFactory: this._pdfFunctionFactory,\n      localColorSpaceCache,\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return null;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the ColorSpace -- sending unsupported feature\n        // notification and allow rendering to continue.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorColorSpace,\n        });\n        warn(`parseColorSpace - ignoring ColorSpace: \"${reason}\".`);\n        return null;\n      }\n      throw reason;\n    });\n  }\n\n  async handleColorN(\n    operatorList,\n    fn,\n    args,\n    cs,\n    patterns,\n    resources,\n    task,\n    localColorSpaceCache\n  ) {\n    // compile tiling patterns\n    var patternName = args[args.length - 1];\n    // SCN/scn applies patterns along with normal colors\n    var pattern;\n    if (isName(patternName) && (pattern = patterns.get(patternName.name))) {\n      var dict = isStream(pattern) ? pattern.dict : pattern;\n      var typeNum = dict.get(\"PatternType\");\n\n      if (typeNum === PatternType.TILING) {\n        var color = cs.base ? cs.base.getRgb(args, 0) : null;\n        return this.handleTilingType(\n          fn,\n          color,\n          resources,\n          pattern,\n          dict,\n          operatorList,\n          task\n        );\n      } else if (typeNum === PatternType.SHADING) {\n        var shading = dict.get(\"Shading\");\n        var matrix = dict.getArray(\"Matrix\");\n        pattern = Pattern.parseShading(\n          shading,\n          matrix,\n          this.xref,\n          resources,\n          this.handler,\n          this._pdfFunctionFactory,\n          localColorSpaceCache\n        );\n        operatorList.addOp(fn, pattern.getIR());\n        return undefined;\n      }\n      throw new FormatError(`Unknown PatternType: ${typeNum}`);\n    }\n    throw new FormatError(`Unknown PatternName: ${patternName}`);\n  }\n\n  async parseMarkedContentProps(contentProperties, resources) {\n    let optionalContent;\n    if (isName(contentProperties)) {\n      const properties = resources.get(\"Properties\");\n      optionalContent = properties.get(contentProperties.name);\n    } else if (isDict(contentProperties)) {\n      optionalContent = contentProperties;\n    } else {\n      throw new FormatError(\"Optional content properties malformed.\");\n    }\n\n    const optionalContentType = optionalContent.get(\"Type\").name;\n    if (optionalContentType === \"OCG\") {\n      return {\n        type: optionalContentType,\n        id: optionalContent.objId,\n      };\n    } else if (optionalContentType === \"OCMD\") {\n      const optionalContentGroups = optionalContent.get(\"OCGs\");\n      if (\n        Array.isArray(optionalContentGroups) ||\n        isDict(optionalContentGroups)\n      ) {\n        const groupIds = [];\n        if (Array.isArray(optionalContentGroups)) {\n          optionalContent.get(\"OCGs\").forEach(ocg => {\n            groupIds.push(ocg.toString());\n          });\n        } else {\n          // Dictionary, just use the obj id.\n          groupIds.push(optionalContentGroups.objId);\n        }\n\n        let expression = null;\n        if (optionalContent.get(\"VE\")) {\n          // TODO support visibility expression.\n          expression = true;\n        }\n\n        return {\n          type: optionalContentType,\n          ids: groupIds,\n          policy: isName(optionalContent.get(\"P\"))\n            ? optionalContent.get(\"P\").name\n            : null,\n          expression,\n        };\n      } else if (isRef(optionalContentGroups)) {\n        return {\n          type: optionalContentType,\n          id: optionalContentGroups.toString(),\n        };\n      }\n    }\n    return null;\n  }\n\n  getOperatorList({\n    stream,\n    task,\n    resources,\n    operatorList,\n    initialState = null,\n  }) {\n    // Ensure that `resources`/`initialState` is correctly initialized,\n    // even if the provided parameter is e.g. `null`.\n    resources = resources || Dict.empty;\n    initialState = initialState || new EvalState();\n\n    if (!operatorList) {\n      throw new Error('getOperatorList: missing \"operatorList\" parameter');\n    }\n\n    var self = this;\n    var xref = this.xref;\n    let parsingText = false;\n    const localImageCache = new LocalImageCache();\n    const localColorSpaceCache = new LocalColorSpaceCache();\n    const localGStateCache = new LocalGStateCache();\n\n    var xobjs = resources.get(\"XObject\") || Dict.empty;\n    var patterns = resources.get(\"Pattern\") || Dict.empty;\n    var stateManager = new StateManager(initialState);\n    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);\n    var timeSlotManager = new TimeSlotManager();\n\n    function closePendingRestoreOPS(argument) {\n      for (var i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {\n        operatorList.addOp(OPS.restore, []);\n      }\n    }\n\n    return new Promise(function promiseBody(resolve, reject) {\n      const next = function (promise) {\n        Promise.all([promise, operatorList.ready]).then(function () {\n          try {\n            promiseBody(resolve, reject);\n          } catch (ex) {\n            reject(ex);\n          }\n        }, reject);\n      };\n      task.ensureNotTerminated();\n      timeSlotManager.reset();\n      var stop,\n        operation = {},\n        i,\n        ii,\n        cs,\n        name;\n      while (!(stop = timeSlotManager.check())) {\n        // The arguments parsed by read() are used beyond this loop, so we\n        // cannot reuse the same array on each iteration. Therefore we pass\n        // in |null| as the initial value (see the comment on\n        // EvaluatorPreprocessor_read() for why).\n        operation.args = null;\n        if (!preprocessor.read(operation)) {\n          break;\n        }\n        var args = operation.args;\n        var fn = operation.fn;\n\n        switch (fn | 0) {\n          case OPS.paintXObject:\n            // eagerly compile XForm objects\n            name = args[0].name;\n            if (name) {\n              const localImage = localImageCache.getByName(name);\n              if (localImage) {\n                operatorList.addOp(localImage.fn, localImage.args);\n                args = null;\n                continue;\n              }\n            }\n\n            next(\n              new Promise(function (resolveXObject, rejectXObject) {\n                if (!name) {\n                  throw new FormatError(\"XObject must be referred to by name.\");\n                }\n\n                let xobj = xobjs.getRaw(name);\n                if (xobj instanceof Ref) {\n                  const localImage = localImageCache.getByRef(xobj);\n                  if (localImage) {\n                    operatorList.addOp(localImage.fn, localImage.args);\n\n                    resolveXObject();\n                    return;\n                  }\n\n                  const globalImage = self.globalImageCache.getData(\n                    xobj,\n                    self.pageIndex\n                  );\n                  if (globalImage) {\n                    operatorList.addDependency(globalImage.objId);\n                    operatorList.addOp(globalImage.fn, globalImage.args);\n\n                    resolveXObject();\n                    return;\n                  }\n\n                  xobj = xref.fetch(xobj);\n                }\n\n                if (!isStream(xobj)) {\n                  throw new FormatError(\"XObject should be a stream\");\n                }\n\n                const type = xobj.dict.get(\"Subtype\");\n                if (!isName(type)) {\n                  throw new FormatError(\"XObject should have a Name subtype\");\n                }\n\n                if (type.name === \"Form\") {\n                  stateManager.save();\n                  self\n                    .buildFormXObject(\n                      resources,\n                      xobj,\n                      null,\n                      operatorList,\n                      task,\n                      stateManager.state.clone(),\n                      localColorSpaceCache\n                    )\n                    .then(function () {\n                      stateManager.restore();\n                      resolveXObject();\n                    }, rejectXObject);\n                  return;\n                } else if (type.name === \"Image\") {\n                  self\n                    .buildPaintImageXObject({\n                      resources,\n                      image: xobj,\n                      operatorList,\n                      cacheKey: name,\n                      localImageCache,\n                      localColorSpaceCache,\n                    })\n                    .then(resolveXObject, rejectXObject);\n                  return;\n                } else if (type.name === \"PS\") {\n                  // PostScript XObjects are unused when viewing documents.\n                  // See section 4.7.1 of Adobe's PDF reference.\n                  info(\"Ignored XObject subtype PS\");\n                } else {\n                  throw new FormatError(\n                    `Unhandled XObject subtype ${type.name}`\n                  );\n                }\n                resolveXObject();\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the XObject -- sending unsupported feature\n                  // notification and allow rendering to continue.\n                  self.handler.send(\"UnsupportedFeature\", {\n                    featureId: UNSUPPORTED_FEATURES.errorXObject,\n                  });\n                  warn(`getOperatorList - ignoring XObject: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.setFont:\n            var fontSize = args[1];\n            // eagerly collect all fonts\n            next(\n              self\n                .handleSetFont(\n                  resources,\n                  args,\n                  null,\n                  operatorList,\n                  task,\n                  stateManager.state\n                )\n                .then(function (loadedName) {\n                  operatorList.addDependency(loadedName);\n                  operatorList.addOp(OPS.setFont, [loadedName, fontSize]);\n                })\n            );\n            return;\n          case OPS.beginText:\n            parsingText = true;\n            break;\n          case OPS.endText:\n            parsingText = false;\n            break;\n          case OPS.endInlineImage:\n            var cacheKey = args[0].cacheKey;\n            if (cacheKey) {\n              const localImage = localImageCache.getByName(cacheKey);\n              if (localImage) {\n                operatorList.addOp(localImage.fn, localImage.args);\n                args = null;\n                continue;\n              }\n            }\n            next(\n              self.buildPaintImageXObject({\n                resources,\n                image: args[0],\n                isInline: true,\n                operatorList,\n                cacheKey,\n                localImageCache,\n                localColorSpaceCache,\n              })\n            );\n            return;\n          case OPS.showText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            args[0] = self.handleText(args[0], stateManager.state);\n            break;\n          case OPS.showSpacedText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            var arr = args[0];\n            var combinedGlyphs = [];\n            var arrLength = arr.length;\n            var state = stateManager.state;\n            for (i = 0; i < arrLength; ++i) {\n              var arrItem = arr[i];\n              if (isString(arrItem)) {\n                Array.prototype.push.apply(\n                  combinedGlyphs,\n                  self.handleText(arrItem, state)\n                );\n              } else if (isNum(arrItem)) {\n                combinedGlyphs.push(arrItem);\n              }\n            }\n            args[0] = combinedGlyphs;\n            fn = OPS.showText;\n            break;\n          case OPS.nextLineShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            operatorList.addOp(OPS.nextLine);\n            args[0] = self.handleText(args[0], stateManager.state);\n            fn = OPS.showText;\n            break;\n          case OPS.nextLineSetSpacingShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            operatorList.addOp(OPS.nextLine);\n            operatorList.addOp(OPS.setWordSpacing, [args.shift()]);\n            operatorList.addOp(OPS.setCharSpacing, [args.shift()]);\n            args[0] = self.handleText(args[0], stateManager.state);\n            fn = OPS.showText;\n            break;\n          case OPS.setTextRenderingMode:\n            stateManager.state.textRenderingMode = args[0];\n            break;\n\n          case OPS.setFillColorSpace: {\n            const cachedColorSpace = ColorSpace.getCached(\n              args[0],\n              xref,\n              localColorSpaceCache\n            );\n            if (cachedColorSpace) {\n              stateManager.state.fillColorSpace = cachedColorSpace;\n              continue;\n            }\n\n            next(\n              self\n                .parseColorSpace({\n                  cs: args[0],\n                  resources,\n                  localColorSpaceCache,\n                })\n                .then(function (colorSpace) {\n                  if (colorSpace) {\n                    stateManager.state.fillColorSpace = colorSpace;\n                  }\n                })\n            );\n            return;\n          }\n          case OPS.setStrokeColorSpace: {\n            const cachedColorSpace = ColorSpace.getCached(\n              args[0],\n              xref,\n              localColorSpaceCache\n            );\n            if (cachedColorSpace) {\n              stateManager.state.strokeColorSpace = cachedColorSpace;\n              continue;\n            }\n\n            next(\n              self\n                .parseColorSpace({\n                  cs: args[0],\n                  resources,\n                  localColorSpaceCache,\n                })\n                .then(function (colorSpace) {\n                  if (colorSpace) {\n                    stateManager.state.strokeColorSpace = colorSpace;\n                  }\n                })\n            );\n            return;\n          }\n          case OPS.setFillColor:\n            cs = stateManager.state.fillColorSpace;\n            args = cs.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeColor:\n            cs = stateManager.state.strokeColorSpace;\n            args = cs.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillGray:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.gray;\n            args = ColorSpace.singletons.gray.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeGray:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.gray;\n            args = ColorSpace.singletons.gray.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillCMYKColor:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk;\n            args = ColorSpace.singletons.cmyk.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeCMYKColor:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk;\n            args = ColorSpace.singletons.cmyk.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n          case OPS.setFillRGBColor:\n            stateManager.state.fillColorSpace = ColorSpace.singletons.rgb;\n            args = ColorSpace.singletons.rgb.getRgb(args, 0);\n            break;\n          case OPS.setStrokeRGBColor:\n            stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb;\n            args = ColorSpace.singletons.rgb.getRgb(args, 0);\n            break;\n          case OPS.setFillColorN:\n            cs = stateManager.state.fillColorSpace;\n            if (cs.name === \"Pattern\") {\n              next(\n                self.handleColorN(\n                  operatorList,\n                  OPS.setFillColorN,\n                  args,\n                  cs,\n                  patterns,\n                  resources,\n                  task,\n                  localColorSpaceCache\n                )\n              );\n              return;\n            }\n            args = cs.getRgb(args, 0);\n            fn = OPS.setFillRGBColor;\n            break;\n          case OPS.setStrokeColorN:\n            cs = stateManager.state.strokeColorSpace;\n            if (cs.name === \"Pattern\") {\n              next(\n                self.handleColorN(\n                  operatorList,\n                  OPS.setStrokeColorN,\n                  args,\n                  cs,\n                  patterns,\n                  resources,\n                  task,\n                  localColorSpaceCache\n                )\n              );\n              return;\n            }\n            args = cs.getRgb(args, 0);\n            fn = OPS.setStrokeRGBColor;\n            break;\n\n          case OPS.shadingFill:\n            var shadingRes = resources.get(\"Shading\");\n            if (!shadingRes) {\n              throw new FormatError(\"No shading resource found\");\n            }\n\n            var shading = shadingRes.get(args[0].name);\n            if (!shading) {\n              throw new FormatError(\"No shading object found\");\n            }\n\n            var shadingFill = Pattern.parseShading(\n              shading,\n              null,\n              xref,\n              resources,\n              self.handler,\n              self._pdfFunctionFactory,\n              localColorSpaceCache\n            );\n            var patternIR = shadingFill.getIR();\n            args = [patternIR];\n            fn = OPS.shadingFill;\n            break;\n          case OPS.setGState:\n            name = args[0].name;\n            if (name) {\n              const localGStateObj = localGStateCache.getByName(name);\n              if (localGStateObj) {\n                if (localGStateObj.length > 0) {\n                  operatorList.addOp(OPS.setGState, [localGStateObj]);\n                }\n                args = null;\n                continue;\n              }\n            }\n\n            next(\n              new Promise(function (resolveGState, rejectGState) {\n                if (!name) {\n                  throw new FormatError(\"GState must be referred to by name.\");\n                }\n\n                const extGState = resources.get(\"ExtGState\");\n                if (!(extGState instanceof Dict)) {\n                  throw new FormatError(\"ExtGState should be a dictionary.\");\n                }\n\n                const gState = extGState.get(name);\n                // TODO: Attempt to lookup cached GStates by reference as well,\n                //       if and only if there are PDF documents where doing so\n                //       would significantly improve performance.\n                if (!(gState instanceof Dict)) {\n                  throw new FormatError(\"GState should be a dictionary.\");\n                }\n\n                self\n                  .setGState({\n                    resources,\n                    gState,\n                    operatorList,\n                    cacheKey: name,\n                    task,\n                    stateManager,\n                    localGStateCache,\n                    localColorSpaceCache,\n                  })\n                  .then(resolveGState, rejectGState);\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the ExtGState -- sending unsupported feature\n                  // notification and allow parsing/rendering to continue.\n                  self.handler.send(\"UnsupportedFeature\", {\n                    featureId: UNSUPPORTED_FEATURES.errorExtGState,\n                  });\n                  warn(`getOperatorList - ignoring ExtGState: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.moveTo:\n          case OPS.lineTo:\n          case OPS.curveTo:\n          case OPS.curveTo2:\n          case OPS.curveTo3:\n          case OPS.closePath:\n          case OPS.rectangle:\n            self.buildPath(operatorList, fn, args, parsingText);\n            continue;\n          case OPS.markPoint:\n          case OPS.markPointProps:\n          case OPS.beginCompat:\n          case OPS.endCompat:\n            // Ignore operators where the corresponding handlers are known to\n            // be no-op in CanvasGraphics (display/canvas.js). This prevents\n            // serialization errors and is also a bit more efficient.\n            // We could also try to serialize all objects in a general way,\n            // e.g. as done in https://github.com/mozilla/pdf.js/pull/6266,\n            // but doing so is meaningless without knowing the semantics.\n            continue;\n          case OPS.beginMarkedContentProps:\n            if (!isName(args[0])) {\n              warn(`Expected name for beginMarkedContentProps arg0=${args[0]}`);\n              continue;\n            }\n            if (args[0].name === \"OC\") {\n              next(\n                self\n                  .parseMarkedContentProps(args[1], resources)\n                  .then(data => {\n                    operatorList.addOp(OPS.beginMarkedContentProps, [\n                      \"OC\",\n                      data,\n                    ]);\n                  })\n                  .catch(reason => {\n                    if (reason instanceof AbortException) {\n                      return;\n                    }\n                    if (self.options.ignoreErrors) {\n                      self.handler.send(\"UnsupportedFeature\", {\n                        featureId: UNSUPPORTED_FEATURES.errorMarkedContent,\n                      });\n                      warn(\n                        `getOperatorList - ignoring beginMarkedContentProps: \"${reason}\".`\n                      );\n                      return;\n                    }\n                    throw reason;\n                  })\n              );\n              return;\n            }\n            // Other marked content types aren't supported yet.\n            args = [args[0].name];\n\n            break;\n          case OPS.beginMarkedContent:\n          case OPS.endMarkedContent:\n          default:\n            // Note: Ignore the operator if it has `Dict` arguments, since\n            // those are non-serializable, otherwise postMessage will throw\n            // \"An object could not be cloned.\".\n            if (args !== null) {\n              for (i = 0, ii = args.length; i < ii; i++) {\n                if (args[i] instanceof Dict) {\n                  break;\n                }\n              }\n              if (i < ii) {\n                warn(\"getOperatorList - ignoring operator: \" + fn);\n                continue;\n              }\n            }\n        }\n        operatorList.addOp(fn, args);\n      }\n      if (stop) {\n        next(deferred);\n        return;\n      }\n      // Some PDFs don't close all restores inside object/form.\n      // Closing those for them.\n      closePendingRestoreOPS();\n      resolve();\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the OperatorList -- sending unsupported feature\n        // notification and allow rendering to continue.\n        this.handler.send(\"UnsupportedFeature\", {\n          featureId: UNSUPPORTED_FEATURES.errorOperatorList,\n        });\n        warn(\n          `getOperatorList - ignoring errors during \"${task.name}\" ` +\n            `task: \"${reason}\".`\n        );\n\n        closePendingRestoreOPS();\n        return;\n      }\n      throw reason;\n    });\n  }\n\n  getTextContent({\n    stream,\n    task,\n    resources,\n    stateManager = null,\n    normalizeWhitespace = false,\n    combineTextItems = false,\n    sink,\n    seenStyles = Object.create(null),\n  }) {\n    // Ensure that `resources`/`stateManager` is correctly initialized,\n    // even if the provided parameter is e.g. `null`.\n    resources = resources || Dict.empty;\n    stateManager = stateManager || new StateManager(new TextState());\n\n    var WhitespaceRegexp = /\\s/g;\n\n    var textContent = {\n      items: [],\n      styles: Object.create(null),\n    };\n    var textContentItem = {\n      initialized: false,\n      str: [],\n      width: 0,\n      height: 0,\n      vertical: false,\n      lastAdvanceWidth: 0,\n      lastAdvanceHeight: 0,\n      textAdvanceScale: 0,\n      spaceWidth: 0,\n      fakeSpaceMin: Infinity,\n      fakeMultiSpaceMin: Infinity,\n      fakeMultiSpaceMax: -0,\n      textRunBreakAllowed: false,\n      transform: null,\n      fontName: null,\n    };\n    var SPACE_FACTOR = 0.3;\n    var MULTI_SPACE_FACTOR = 1.5;\n    var MULTI_SPACE_FACTOR_MAX = 4;\n\n    var self = this;\n    var xref = this.xref;\n\n    // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd.\n    var xobjs = null;\n    const emptyXObjectCache = new LocalImageCache();\n    const emptyGStateCache = new LocalGStateCache();\n\n    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);\n\n    var textState;\n\n    function ensureTextContentItem() {\n      if (textContentItem.initialized) {\n        return textContentItem;\n      }\n      var font = textState.font;\n      if (!(font.loadedName in seenStyles)) {\n        seenStyles[font.loadedName] = true;\n        textContent.styles[font.loadedName] = {\n          fontFamily: font.fallbackName,\n          ascent: font.ascent,\n          descent: font.descent,\n          vertical: font.vertical,\n        };\n      }\n      textContentItem.fontName = font.loadedName;\n\n      // 9.4.4 Text Space Details\n      var tsm = [\n        textState.fontSize * textState.textHScale,\n        0,\n        0,\n        textState.fontSize,\n        0,\n        textState.textRise,\n      ];\n\n      if (\n        font.isType3Font &&\n        textState.fontSize <= 1 &&\n        !isArrayEqual(textState.fontMatrix, FONT_IDENTITY_MATRIX)\n      ) {\n        const glyphHeight = font.bbox[3] - font.bbox[1];\n        if (glyphHeight > 0) {\n          tsm[3] *= glyphHeight * textState.fontMatrix[3];\n        }\n      }\n\n      var trm = Util.transform(\n        textState.ctm,\n        Util.transform(textState.textMatrix, tsm)\n      );\n      textContentItem.transform = trm;\n      if (!font.vertical) {\n        textContentItem.width = 0;\n        textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);\n        textContentItem.vertical = false;\n      } else {\n        textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);\n        textContentItem.height = 0;\n        textContentItem.vertical = true;\n      }\n\n      var a = textState.textLineMatrix[0];\n      var b = textState.textLineMatrix[1];\n      var scaleLineX = Math.sqrt(a * a + b * b);\n      a = textState.ctm[0];\n      b = textState.ctm[1];\n      var scaleCtmX = Math.sqrt(a * a + b * b);\n      textContentItem.textAdvanceScale = scaleCtmX * scaleLineX;\n      textContentItem.lastAdvanceWidth = 0;\n      textContentItem.lastAdvanceHeight = 0;\n\n      var spaceWidth = (font.spaceWidth / 1000) * textState.fontSize;\n      if (spaceWidth) {\n        textContentItem.spaceWidth = spaceWidth;\n        textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR;\n        textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR;\n        textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX;\n        // It's okay for monospace fonts to fake as much space as needed.\n        textContentItem.textRunBreakAllowed = !font.isMonospace;\n      } else {\n        textContentItem.spaceWidth = 0;\n        textContentItem.fakeSpaceMin = Infinity;\n        textContentItem.fakeMultiSpaceMin = Infinity;\n        textContentItem.fakeMultiSpaceMax = 0;\n        textContentItem.textRunBreakAllowed = false;\n      }\n\n      textContentItem.initialized = true;\n      return textContentItem;\n    }\n\n    function replaceWhitespace(str) {\n      // Replaces all whitespaces with standard spaces (0x20), to avoid\n      // alignment issues between the textLayer and the canvas if the text\n      // contains e.g. tabs (fixes issue6612.pdf).\n      var i = 0,\n        ii = str.length,\n        code;\n      while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7f) {\n        i++;\n      }\n      return i < ii ? str.replace(WhitespaceRegexp, \" \") : str;\n    }\n\n    function runBidiTransform(textChunk) {\n      var str = textChunk.str.join(\"\");\n      var bidiResult = bidi(str, -1, textChunk.vertical);\n      return {\n        str: normalizeWhitespace\n          ? replaceWhitespace(bidiResult.str)\n          : bidiResult.str,\n        dir: bidiResult.dir,\n        width: textChunk.width,\n        height: textChunk.height,\n        transform: textChunk.transform,\n        fontName: textChunk.fontName,\n      };\n    }\n\n    function handleSetFont(fontName, fontRef) {\n      return self\n        .loadFont(fontName, fontRef, resources)\n        .then(function (translated) {\n          textState.font = translated.font;\n          textState.fontMatrix =\n            translated.font.fontMatrix || FONT_IDENTITY_MATRIX;\n        });\n    }\n\n    function buildTextContentItem(chars) {\n      var font = textState.font;\n      var textChunk = ensureTextContentItem();\n      var width = 0;\n      var height = 0;\n      var glyphs = font.charsToGlyphs(chars);\n      for (var i = 0; i < glyphs.length; i++) {\n        var glyph = glyphs[i];\n        var glyphWidth = null;\n        if (font.vertical && glyph.vmetric) {\n          glyphWidth = glyph.vmetric[0];\n        } else {\n          glyphWidth = glyph.width;\n        }\n\n        var glyphUnicode = glyph.unicode;\n        var NormalizedUnicodes = getNormalizedUnicodes();\n        if (NormalizedUnicodes[glyphUnicode] !== undefined) {\n          glyphUnicode = NormalizedUnicodes[glyphUnicode];\n        }\n        glyphUnicode = reverseIfRtl(glyphUnicode);\n\n        var charSpacing = textState.charSpacing;\n        if (glyph.isSpace) {\n          var wordSpacing = textState.wordSpacing;\n          charSpacing += wordSpacing;\n          if (wordSpacing > 0) {\n            addFakeSpaces(wordSpacing, textChunk.str);\n          }\n        }\n\n        var tx = 0;\n        var ty = 0;\n        if (!font.vertical) {\n          var w0 = glyphWidth * textState.fontMatrix[0];\n          tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale;\n          width += tx;\n        } else {\n          var w1 = glyphWidth * textState.fontMatrix[0];\n          ty = w1 * textState.fontSize + charSpacing;\n          height += ty;\n        }\n        textState.translateTextMatrix(tx, ty);\n\n        textChunk.str.push(glyphUnicode);\n      }\n\n      if (!font.vertical) {\n        textChunk.lastAdvanceWidth = width;\n        textChunk.width += width;\n      } else {\n        textChunk.lastAdvanceHeight = height;\n        textChunk.height += Math.abs(height);\n      }\n\n      return textChunk;\n    }\n\n    function addFakeSpaces(width, strBuf) {\n      if (width < textContentItem.fakeSpaceMin) {\n        return;\n      }\n      if (width < textContentItem.fakeMultiSpaceMin) {\n        strBuf.push(\" \");\n        return;\n      }\n      var fakeSpaces = Math.round(width / textContentItem.spaceWidth);\n      while (fakeSpaces-- > 0) {\n        strBuf.push(\" \");\n      }\n    }\n\n    function flushTextContentItem() {\n      if (!textContentItem.initialized) {\n        return;\n      }\n\n      // Do final text scaling.\n      if (!textContentItem.vertical) {\n        textContentItem.width *= textContentItem.textAdvanceScale;\n      } else {\n        textContentItem.height *= textContentItem.textAdvanceScale;\n      }\n      textContent.items.push(runBidiTransform(textContentItem));\n\n      textContentItem.initialized = false;\n      textContentItem.str.length = 0;\n    }\n\n    function enqueueChunk() {\n      const length = textContent.items.length;\n      if (length > 0) {\n        sink.enqueue(textContent, length);\n        textContent.items = [];\n        textContent.styles = Object.create(null);\n      }\n    }\n\n    var timeSlotManager = new TimeSlotManager();\n\n    return new Promise(function promiseBody(resolve, reject) {\n      const next = function (promise) {\n        enqueueChunk();\n        Promise.all([promise, sink.ready]).then(function () {\n          try {\n            promiseBody(resolve, reject);\n          } catch (ex) {\n            reject(ex);\n          }\n        }, reject);\n      };\n      task.ensureNotTerminated();\n      timeSlotManager.reset();\n      var stop,\n        operation = {},\n        args = [];\n      while (!(stop = timeSlotManager.check())) {\n        // The arguments parsed by read() are not used beyond this loop, so\n        // we can reuse the same array on every iteration, thus avoiding\n        // unnecessary allocations.\n        args.length = 0;\n        operation.args = args;\n        if (!preprocessor.read(operation)) {\n          break;\n        }\n        textState = stateManager.state;\n        var fn = operation.fn;\n        args = operation.args;\n        var advance, diff;\n\n        switch (fn | 0) {\n          case OPS.setFont:\n            // Optimization to ignore multiple identical Tf commands.\n            var fontNameArg = args[0].name,\n              fontSizeArg = args[1];\n            if (\n              textState.font &&\n              fontNameArg === textState.fontName &&\n              fontSizeArg === textState.fontSize\n            ) {\n              break;\n            }\n\n            flushTextContentItem();\n            textState.fontName = fontNameArg;\n            textState.fontSize = fontSizeArg;\n            next(handleSetFont(fontNameArg, null));\n            return;\n          case OPS.setTextRise:\n            flushTextContentItem();\n            textState.textRise = args[0];\n            break;\n          case OPS.setHScale:\n            flushTextContentItem();\n            textState.textHScale = args[0] / 100;\n            break;\n          case OPS.setLeading:\n            flushTextContentItem();\n            textState.leading = args[0];\n            break;\n          case OPS.moveText:\n            // Optimization to treat same line movement as advance\n            var isSameTextLine = !textState.font\n              ? false\n              : (textState.font.vertical ? args[0] : args[1]) === 0;\n            advance = args[0] - args[1];\n            if (\n              combineTextItems &&\n              isSameTextLine &&\n              textContentItem.initialized &&\n              advance > 0 &&\n              advance <= textContentItem.fakeMultiSpaceMax\n            ) {\n              textState.translateTextLineMatrix(args[0], args[1]);\n              textContentItem.width +=\n                args[0] - textContentItem.lastAdvanceWidth;\n              textContentItem.height +=\n                args[1] - textContentItem.lastAdvanceHeight;\n              diff =\n                args[0] -\n                textContentItem.lastAdvanceWidth -\n                (args[1] - textContentItem.lastAdvanceHeight);\n              addFakeSpaces(diff, textContentItem.str);\n              break;\n            }\n\n            flushTextContentItem();\n            textState.translateTextLineMatrix(args[0], args[1]);\n            textState.textMatrix = textState.textLineMatrix.slice();\n            break;\n          case OPS.setLeadingMoveText:\n            flushTextContentItem();\n            textState.leading = -args[1];\n            textState.translateTextLineMatrix(args[0], args[1]);\n            textState.textMatrix = textState.textLineMatrix.slice();\n            break;\n          case OPS.nextLine:\n            flushTextContentItem();\n            textState.carriageReturn();\n            break;\n          case OPS.setTextMatrix:\n            // Optimization to treat same line movement as advance.\n            advance = textState.calcTextLineMatrixAdvance(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            if (\n              combineTextItems &&\n              advance !== null &&\n              textContentItem.initialized &&\n              advance.value > 0 &&\n              advance.value <= textContentItem.fakeMultiSpaceMax\n            ) {\n              textState.translateTextLineMatrix(advance.width, advance.height);\n              textContentItem.width +=\n                advance.width - textContentItem.lastAdvanceWidth;\n              textContentItem.height +=\n                advance.height - textContentItem.lastAdvanceHeight;\n              diff =\n                advance.width -\n                textContentItem.lastAdvanceWidth -\n                (advance.height - textContentItem.lastAdvanceHeight);\n              addFakeSpaces(diff, textContentItem.str);\n              break;\n            }\n\n            flushTextContentItem();\n            textState.setTextMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            textState.setTextLineMatrix(\n              args[0],\n              args[1],\n              args[2],\n              args[3],\n              args[4],\n              args[5]\n            );\n            break;\n          case OPS.setCharSpacing:\n            textState.charSpacing = args[0];\n            break;\n          case OPS.setWordSpacing:\n            textState.wordSpacing = args[0];\n            break;\n          case OPS.beginText:\n            flushTextContentItem();\n            textState.textMatrix = IDENTITY_MATRIX.slice();\n            textState.textLineMatrix = IDENTITY_MATRIX.slice();\n            break;\n          case OPS.showSpacedText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            var items = args[0];\n            var offset;\n            for (var j = 0, jj = items.length; j < jj; j++) {\n              if (typeof items[j] === \"string\") {\n                buildTextContentItem(items[j]);\n              } else if (isNum(items[j])) {\n                ensureTextContentItem();\n\n                // PDF Specification 5.3.2 states:\n                // The number is expressed in thousandths of a unit of text\n                // space.\n                // This amount is subtracted from the current horizontal or\n                // vertical coordinate, depending on the writing mode.\n                // In the default coordinate system, a positive adjustment\n                // has the effect of moving the next glyph painted either to\n                // the left or down by the given amount.\n                advance = (items[j] * textState.fontSize) / 1000;\n                var breakTextRun = false;\n                if (textState.font.vertical) {\n                  offset = advance;\n                  textState.translateTextMatrix(0, offset);\n                  breakTextRun =\n                    textContentItem.textRunBreakAllowed &&\n                    advance > textContentItem.fakeMultiSpaceMax;\n                  if (!breakTextRun) {\n                    // Value needs to be added to height to paint down.\n                    textContentItem.height += offset;\n                  }\n                } else {\n                  advance = -advance;\n                  offset = advance * textState.textHScale;\n                  textState.translateTextMatrix(offset, 0);\n                  breakTextRun =\n                    textContentItem.textRunBreakAllowed &&\n                    advance > textContentItem.fakeMultiSpaceMax;\n                  if (!breakTextRun) {\n                    // Value needs to be subtracted from width to paint left.\n                    textContentItem.width += offset;\n                  }\n                }\n                if (breakTextRun) {\n                  flushTextContentItem();\n                } else if (advance > 0) {\n                  addFakeSpaces(advance, textContentItem.str);\n                }\n              }\n            }\n            break;\n          case OPS.showText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            buildTextContentItem(args[0]);\n            break;\n          case OPS.nextLineShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            flushTextContentItem();\n            textState.carriageReturn();\n            buildTextContentItem(args[0]);\n            break;\n          case OPS.nextLineSetSpacingShowText:\n            if (!stateManager.state.font) {\n              self.ensureStateFont(stateManager.state);\n              continue;\n            }\n            flushTextContentItem();\n            textState.wordSpacing = args[0];\n            textState.charSpacing = args[1];\n            textState.carriageReturn();\n            buildTextContentItem(args[2]);\n            break;\n          case OPS.paintXObject:\n            flushTextContentItem();\n            if (!xobjs) {\n              xobjs = resources.get(\"XObject\") || Dict.empty;\n            }\n\n            var name = args[0].name;\n            if (name && emptyXObjectCache.getByName(name)) {\n              break;\n            }\n\n            next(\n              new Promise(function (resolveXObject, rejectXObject) {\n                if (!name) {\n                  throw new FormatError(\"XObject must be referred to by name.\");\n                }\n\n                let xobj = xobjs.getRaw(name);\n                if (xobj instanceof Ref) {\n                  if (emptyXObjectCache.getByRef(xobj)) {\n                    resolveXObject();\n                    return;\n                  }\n\n                  xobj = xref.fetch(xobj);\n                }\n\n                if (!isStream(xobj)) {\n                  throw new FormatError(\"XObject should be a stream\");\n                }\n\n                const type = xobj.dict.get(\"Subtype\");\n                if (!isName(type)) {\n                  throw new FormatError(\"XObject should have a Name subtype\");\n                }\n\n                if (type.name !== \"Form\") {\n                  emptyXObjectCache.set(name, xobj.dict.objId, true);\n\n                  resolveXObject();\n                  return;\n                }\n\n                // Use a new `StateManager` to prevent incorrect positioning\n                // of textItems *after* the Form XObject, since errors in the\n                // data can otherwise prevent `restore` operators from\n                // executing.\n                // NOTE: Only an issue when `options.ignoreErrors === true`.\n                const currentState = stateManager.state.clone();\n                const xObjStateManager = new StateManager(currentState);\n\n                const matrix = xobj.dict.getArray(\"Matrix\");\n                if (Array.isArray(matrix) && matrix.length === 6) {\n                  xObjStateManager.transform(matrix);\n                }\n\n                // Enqueue the `textContent` chunk before parsing the /Form\n                // XObject.\n                enqueueChunk();\n                const sinkWrapper = {\n                  enqueueInvoked: false,\n\n                  enqueue(chunk, size) {\n                    this.enqueueInvoked = true;\n                    sink.enqueue(chunk, size);\n                  },\n\n                  get desiredSize() {\n                    return sink.desiredSize;\n                  },\n\n                  get ready() {\n                    return sink.ready;\n                  },\n                };\n\n                self\n                  .getTextContent({\n                    stream: xobj,\n                    task,\n                    resources: xobj.dict.get(\"Resources\") || resources,\n                    stateManager: xObjStateManager,\n                    normalizeWhitespace,\n                    combineTextItems,\n                    sink: sinkWrapper,\n                    seenStyles,\n                  })\n                  .then(function () {\n                    if (!sinkWrapper.enqueueInvoked) {\n                      emptyXObjectCache.set(name, xobj.dict.objId, true);\n                    }\n                    resolveXObject();\n                  }, rejectXObject);\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the XObject -- allow text-extraction to\n                  // continue.\n                  warn(`getTextContent - ignoring XObject: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n          case OPS.setGState:\n            name = args[0].name;\n            if (name && emptyGStateCache.getByName(name)) {\n              break;\n            }\n\n            next(\n              new Promise(function (resolveGState, rejectGState) {\n                if (!name) {\n                  throw new FormatError(\"GState must be referred to by name.\");\n                }\n\n                const extGState = resources.get(\"ExtGState\");\n                if (!(extGState instanceof Dict)) {\n                  throw new FormatError(\"ExtGState should be a dictionary.\");\n                }\n\n                const gState = extGState.get(name);\n                // TODO: Attempt to lookup cached GStates by reference as well,\n                //       if and only if there are PDF documents where doing so\n                //       would significantly improve performance.\n                if (!(gState instanceof Dict)) {\n                  throw new FormatError(\"GState should be a dictionary.\");\n                }\n\n                const gStateFont = gState.get(\"Font\");\n                if (!gStateFont) {\n                  emptyGStateCache.set(name, gState.objId, true);\n\n                  resolveGState();\n                  return;\n                }\n                flushTextContentItem();\n\n                textState.fontName = null;\n                textState.fontSize = gStateFont[1];\n                handleSetFont(null, gStateFont[0]).then(\n                  resolveGState,\n                  rejectGState\n                );\n              }).catch(function (reason) {\n                if (reason instanceof AbortException) {\n                  return;\n                }\n                if (self.options.ignoreErrors) {\n                  // Error(s) in the ExtGState -- allow text-extraction to\n                  // continue.\n                  warn(`getTextContent - ignoring ExtGState: \"${reason}\".`);\n                  return;\n                }\n                throw reason;\n              })\n            );\n            return;\n        } // switch\n        if (textContent.items.length >= sink.desiredSize) {\n          // Wait for ready, if we reach highWaterMark.\n          stop = true;\n          break;\n        }\n      } // while\n      if (stop) {\n        next(deferred);\n        return;\n      }\n      flushTextContentItem();\n      enqueueChunk();\n      resolve();\n    }).catch(reason => {\n      if (reason instanceof AbortException) {\n        return;\n      }\n      if (this.options.ignoreErrors) {\n        // Error(s) in the TextContent -- allow text-extraction to continue.\n        warn(\n          `getTextContent - ignoring errors during \"${task.name}\" ` +\n            `task: \"${reason}\".`\n        );\n\n        flushTextContentItem();\n        enqueueChunk();\n        return;\n      }\n      throw reason;\n    });\n  }\n\n  extractDataStructures(dict, baseDict, properties) {\n    const xref = this.xref;\n    let cidToGidBytes;\n    // 9.10.2\n    var toUnicode = dict.get(\"ToUnicode\") || baseDict.get(\"ToUnicode\");\n    var toUnicodePromise = toUnicode\n      ? this.readToUnicode(toUnicode)\n      : Promise.resolve(undefined);\n\n    if (properties.composite) {\n      // CIDSystemInfo helps to match CID to glyphs\n      var cidSystemInfo = dict.get(\"CIDSystemInfo\");\n      if (isDict(cidSystemInfo)) {\n        properties.cidSystemInfo = {\n          registry: stringToPDFString(cidSystemInfo.get(\"Registry\")),\n          ordering: stringToPDFString(cidSystemInfo.get(\"Ordering\")),\n          supplement: cidSystemInfo.get(\"Supplement\"),\n        };\n      }\n\n      var cidToGidMap = dict.get(\"CIDToGIDMap\");\n      if (isStream(cidToGidMap)) {\n        cidToGidBytes = cidToGidMap.getBytes();\n      }\n    }\n\n    // Based on 9.6.6 of the spec the encoding can come from multiple places\n    // and depends on the font type. The base encoding and differences are\n    // read here, but the encoding that is actually used is chosen during\n    // glyph mapping in the font.\n    // TODO: Loading the built in encoding in the font would allow the\n    // differences to be merged in here not require us to hold on to it.\n    var differences = [];\n    var baseEncodingName = null;\n    var encoding;\n    if (dict.has(\"Encoding\")) {\n      encoding = dict.get(\"Encoding\");\n      if (isDict(encoding)) {\n        baseEncodingName = encoding.get(\"BaseEncoding\");\n        baseEncodingName = isName(baseEncodingName)\n          ? baseEncodingName.name\n          : null;\n        // Load the differences between the base and original\n        if (encoding.has(\"Differences\")) {\n          var diffEncoding = encoding.get(\"Differences\");\n          var index = 0;\n          for (var j = 0, jj = diffEncoding.length; j < jj; j++) {\n            var data = xref.fetchIfRef(diffEncoding[j]);\n            if (isNum(data)) {\n              index = data;\n            } else if (isName(data)) {\n              differences[index++] = data.name;\n            } else {\n              throw new FormatError(\n                `Invalid entry in 'Differences' array: ${data}`\n              );\n            }\n          }\n        }\n      } else if (isName(encoding)) {\n        baseEncodingName = encoding.name;\n      } else {\n        throw new FormatError(\"Encoding is not a Name nor a Dict\");\n      }\n      // According to table 114 if the encoding is a named encoding it must be\n      // one of these predefined encodings.\n      if (\n        baseEncodingName !== \"MacRomanEncoding\" &&\n        baseEncodingName !== \"MacExpertEncoding\" &&\n        baseEncodingName !== \"WinAnsiEncoding\"\n      ) {\n        baseEncodingName = null;\n      }\n    }\n\n    if (baseEncodingName) {\n      properties.defaultEncoding = getEncoding(baseEncodingName).slice();\n    } else {\n      var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n      var isNonsymbolicFont = !!(properties.flags & FontFlags.Nonsymbolic);\n      // According to \"Table 114\" in section \"9.6.6.1 General\" (under\n      // \"9.6.6 Character Encoding\") of the PDF specification, a Nonsymbolic\n      // font should use the `StandardEncoding` if no encoding is specified.\n      encoding = StandardEncoding;\n      if (properties.type === \"TrueType\" && !isNonsymbolicFont) {\n        encoding = WinAnsiEncoding;\n      }\n      // The Symbolic attribute can be misused for regular fonts\n      // Heuristic: we have to check if the font is a standard one also\n      if (isSymbolicFont) {\n        encoding = MacRomanEncoding;\n        if (!properties.file) {\n          if (/Symbol/i.test(properties.name)) {\n            encoding = SymbolSetEncoding;\n          } else if (/Dingbats|Wingdings/i.test(properties.name)) {\n            encoding = ZapfDingbatsEncoding;\n          }\n        }\n      }\n      properties.defaultEncoding = encoding;\n    }\n\n    properties.differences = differences;\n    properties.baseEncodingName = baseEncodingName;\n    properties.hasEncoding = !!baseEncodingName || differences.length > 0;\n    properties.dict = dict;\n    return toUnicodePromise\n      .then(readToUnicode => {\n        properties.toUnicode = readToUnicode;\n        return this.buildToUnicode(properties);\n      })\n      .then(builtToUnicode => {\n        properties.toUnicode = builtToUnicode;\n        if (cidToGidBytes) {\n          properties.cidToGidMap = this.readCidToGidMap(\n            cidToGidBytes,\n            builtToUnicode\n          );\n        }\n        return properties;\n      });\n  }\n\n  /**\n   * @returns {ToUnicodeMap}\n   * @private\n   */\n  _buildSimpleFontToUnicode(properties, forceGlyphs = false) {\n    assert(!properties.composite, \"Must be a simple font.\");\n\n    const toUnicode = [];\n    const encoding = properties.defaultEncoding.slice();\n    const baseEncodingName = properties.baseEncodingName;\n    // Merge in the differences array.\n    const differences = properties.differences;\n    for (const charcode in differences) {\n      const glyphName = differences[charcode];\n      if (glyphName === \".notdef\") {\n        // Skip .notdef to prevent rendering errors, e.g. boxes appearing\n        // where there should be spaces (fixes issue5256.pdf).\n        continue;\n      }\n      encoding[charcode] = glyphName;\n    }\n    const glyphsUnicodeMap = getGlyphsUnicode();\n    for (const charcode in encoding) {\n      // a) Map the character code to a character name.\n      let glyphName = encoding[charcode];\n      // b) Look up the character name in the Adobe Glyph List (see the\n      //    Bibliography) to obtain the corresponding Unicode value.\n      if (glyphName === \"\") {\n        continue;\n      } else if (glyphsUnicodeMap[glyphName] === undefined) {\n        // (undocumented) c) Few heuristics to recognize unknown glyphs\n        // NOTE: Adobe Reader does not do this step, but OSX Preview does\n        let code = 0;\n        switch (glyphName[0]) {\n          case \"G\": // Gxx glyph\n            if (glyphName.length === 3) {\n              code = parseInt(glyphName.substring(1), 16);\n            }\n            break;\n          case \"g\": // g00xx glyph\n            if (glyphName.length === 5) {\n              code = parseInt(glyphName.substring(1), 16);\n            }\n            break;\n          case \"C\": // Cdd{d} glyph\n          case \"c\": // cdd{d} glyph\n            if (glyphName.length >= 3 && glyphName.length <= 4) {\n              const codeStr = glyphName.substring(1);\n\n              if (forceGlyphs) {\n                code = parseInt(codeStr, 16);\n                break;\n              }\n              // Normally the Cdd{d}/cdd{d} glyphName format will contain\n              // regular, i.e. base 10, charCodes (see issue4550.pdf)...\n              code = +codeStr;\n\n              // ... however some PDF generators violate that assumption by\n              // containing glyph, i.e. base 16, codes instead.\n              // In that case we need to re-parse the *entire* encoding to\n              // prevent broken text-selection (fixes issue9655_reduced.pdf).\n              if (\n                Number.isNaN(code) &&\n                Number.isInteger(parseInt(codeStr, 16))\n              ) {\n                return this._buildSimpleFontToUnicode(\n                  properties,\n                  /* forceGlyphs */ true\n                );\n              }\n            }\n            break;\n          default:\n            // 'uniXXXX'/'uXXXX{XX}' glyphs\n            const unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n            if (unicode !== -1) {\n              code = unicode;\n            }\n        }\n        if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {\n          // If `baseEncodingName` is one the predefined encodings, and `code`\n          // equals `charcode`, using the glyph defined in the baseEncoding\n          // seems to yield a better `toUnicode` mapping (fixes issue 5070).\n          if (baseEncodingName && code === +charcode) {\n            const baseEncoding = getEncoding(baseEncodingName);\n            if (baseEncoding && (glyphName = baseEncoding[charcode])) {\n              toUnicode[charcode] = String.fromCharCode(\n                glyphsUnicodeMap[glyphName]\n              );\n              continue;\n            }\n          }\n          toUnicode[charcode] = String.fromCodePoint(code);\n        }\n        continue;\n      }\n      toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);\n    }\n    return new ToUnicodeMap(toUnicode);\n  }\n\n  /**\n   * Builds a char code to unicode map based on section 9.10 of the spec.\n   * @param {Object} properties Font properties object.\n   * @returns {Promise} A Promise that is resolved with a\n   *   {ToUnicodeMap|IdentityToUnicodeMap} object.\n   */\n  buildToUnicode(properties) {\n    properties.hasIncludedToUnicodeMap =\n      !!properties.toUnicode && properties.toUnicode.length > 0;\n\n    // Section 9.10.2 Mapping Character Codes to Unicode Values\n    if (properties.hasIncludedToUnicodeMap) {\n      // Some fonts contain incomplete ToUnicode data, causing issues with\n      // text-extraction. For simple fonts, containing encoding information,\n      // use a fallback ToUnicode map to improve this (fixes issue8229.pdf).\n      if (!properties.composite && properties.hasEncoding) {\n        properties.fallbackToUnicode = this._buildSimpleFontToUnicode(\n          properties\n        );\n      }\n\n      return Promise.resolve(properties.toUnicode);\n    }\n\n    // According to the spec if the font is a simple font we should only map\n    // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or\n    // the differences array only contains adobe standard or symbol set names,\n    // in pratice it seems better to always try to create a toUnicode map\n    // based of the default encoding.\n    if (!properties.composite /* is simple font */) {\n      return Promise.resolve(this._buildSimpleFontToUnicode(properties));\n    }\n\n    // If the font is a composite font that uses one of the predefined CMaps\n    // listed in Table 118 (except Identity–H and Identity–V) or whose\n    // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or\n    // Adobe-Korea1 character collection:\n    if (\n      properties.composite &&\n      ((properties.cMap.builtInCMap &&\n        !(properties.cMap instanceof IdentityCMap)) ||\n        (properties.cidSystemInfo.registry === \"Adobe\" &&\n          (properties.cidSystemInfo.ordering === \"GB1\" ||\n            properties.cidSystemInfo.ordering === \"CNS1\" ||\n            properties.cidSystemInfo.ordering === \"Japan1\" ||\n            properties.cidSystemInfo.ordering === \"Korea1\")))\n    ) {\n      // Then:\n      // a) Map the character code to a character identifier (CID) according\n      // to the font’s CMap.\n      // b) Obtain the registry and ordering of the character collection used\n      // by the font’s CMap (for example, Adobe and Japan1) from its\n      // CIDSystemInfo dictionary.\n      const registry = properties.cidSystemInfo.registry;\n      const ordering = properties.cidSystemInfo.ordering;\n      // c) Construct a second CMap name by concatenating the registry and\n      // ordering obtained in step (b) in the format registry–ordering–UCS2\n      // (for example, Adobe–Japan1–UCS2).\n      const ucs2CMapName = Name.get(registry + \"-\" + ordering + \"-UCS2\");\n      // d) Obtain the CMap with the name constructed in step (c) (available\n      // from the ASN Web site; see the Bibliography).\n      return CMapFactory.create({\n        encoding: ucs2CMapName,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (ucs2CMap) {\n        const cMap = properties.cMap;\n        const toUnicode = [];\n        cMap.forEach(function (charcode, cid) {\n          if (cid > 0xffff) {\n            throw new FormatError(\"Max size of CID is 65,535\");\n          }\n          // e) Map the CID obtained in step (a) according to the CMap\n          // obtained in step (d), producing a Unicode value.\n          const ucs2 = ucs2CMap.lookup(cid);\n          if (ucs2) {\n            toUnicode[charcode] = String.fromCharCode(\n              (ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1)\n            );\n          }\n        });\n        return new ToUnicodeMap(toUnicode);\n      });\n    }\n\n    // The viewer's choice, just use an identity map.\n    return Promise.resolve(\n      new IdentityToUnicodeMap(properties.firstChar, properties.lastChar)\n    );\n  }\n\n  readToUnicode(toUnicode) {\n    var cmapObj = toUnicode;\n    if (isName(cmapObj)) {\n      return CMapFactory.create({\n        encoding: cmapObj,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (cmap) {\n        if (cmap instanceof IdentityCMap) {\n          return new IdentityToUnicodeMap(0, 0xffff);\n        }\n        return new ToUnicodeMap(cmap.getMap());\n      });\n    } else if (isStream(cmapObj)) {\n      return CMapFactory.create({\n        encoding: cmapObj,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(\n        function (cmap) {\n          if (cmap instanceof IdentityCMap) {\n            return new IdentityToUnicodeMap(0, 0xffff);\n          }\n          var map = new Array(cmap.length);\n          // Convert UTF-16BE\n          // NOTE: cmap can be a sparse array, so use forEach instead of\n          // `for(;;)` to iterate over all keys.\n          cmap.forEach(function (charCode, token) {\n            var str = [];\n            for (var k = 0; k < token.length; k += 2) {\n              var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);\n              if ((w1 & 0xf800) !== 0xd800) {\n                // w1 < 0xD800 || w1 > 0xDFFF\n                str.push(w1);\n                continue;\n              }\n              k += 2;\n              var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);\n              str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);\n            }\n            map[charCode] = String.fromCodePoint.apply(String, str);\n          });\n          return new ToUnicodeMap(map);\n        },\n        reason => {\n          if (reason instanceof AbortException) {\n            return null;\n          }\n          if (this.options.ignoreErrors) {\n            // Error in the ToUnicode data -- sending unsupported feature\n            // notification and allow font parsing to continue.\n            this.handler.send(\"UnsupportedFeature\", {\n              featureId: UNSUPPORTED_FEATURES.errorFontToUnicode,\n            });\n            warn(`readToUnicode - ignoring ToUnicode data: \"${reason}\".`);\n            return null;\n          }\n          throw reason;\n        }\n      );\n    }\n    return Promise.resolve(null);\n  }\n\n  readCidToGidMap(glyphsData, toUnicode) {\n    // Extract the encoding from the CIDToGIDMap\n\n    // Set encoding 0 to later verify the font has an encoding\n    var result = [];\n    for (var j = 0, jj = glyphsData.length; j < jj; j++) {\n      var glyphID = (glyphsData[j++] << 8) | glyphsData[j];\n      const code = j >> 1;\n      if (glyphID === 0 && !toUnicode.has(code)) {\n        continue;\n      }\n      result[code] = glyphID;\n    }\n    return result;\n  }\n\n  extractWidths(dict, descriptor, properties) {\n    var xref = this.xref;\n    var glyphsWidths = [];\n    var defaultWidth = 0;\n    var glyphsVMetrics = [];\n    var defaultVMetrics;\n    var i, ii, j, jj, start, code, widths;\n    if (properties.composite) {\n      defaultWidth = dict.has(\"DW\") ? dict.get(\"DW\") : 1000;\n\n      widths = dict.get(\"W\");\n      if (widths) {\n        for (i = 0, ii = widths.length; i < ii; i++) {\n          start = xref.fetchIfRef(widths[i++]);\n          code = xref.fetchIfRef(widths[i]);\n          if (Array.isArray(code)) {\n            for (j = 0, jj = code.length; j < jj; j++) {\n              glyphsWidths[start++] = xref.fetchIfRef(code[j]);\n            }\n          } else {\n            var width = xref.fetchIfRef(widths[++i]);\n            for (j = start; j <= code; j++) {\n              glyphsWidths[j] = width;\n            }\n          }\n        }\n      }\n\n      if (properties.vertical) {\n        var vmetrics = dict.getArray(\"DW2\") || [880, -1000];\n        defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];\n        vmetrics = dict.get(\"W2\");\n        if (vmetrics) {\n          for (i = 0, ii = vmetrics.length; i < ii; i++) {\n            start = xref.fetchIfRef(vmetrics[i++]);\n            code = xref.fetchIfRef(vmetrics[i]);\n            if (Array.isArray(code)) {\n              for (j = 0, jj = code.length; j < jj; j++) {\n                glyphsVMetrics[start++] = [\n                  xref.fetchIfRef(code[j++]),\n                  xref.fetchIfRef(code[j++]),\n                  xref.fetchIfRef(code[j]),\n                ];\n              }\n            } else {\n              var vmetric = [\n                xref.fetchIfRef(vmetrics[++i]),\n                xref.fetchIfRef(vmetrics[++i]),\n                xref.fetchIfRef(vmetrics[++i]),\n              ];\n              for (j = start; j <= code; j++) {\n                glyphsVMetrics[j] = vmetric;\n              }\n            }\n          }\n        }\n      }\n    } else {\n      var firstChar = properties.firstChar;\n      widths = dict.get(\"Widths\");\n      if (widths) {\n        j = firstChar;\n        for (i = 0, ii = widths.length; i < ii; i++) {\n          glyphsWidths[j++] = xref.fetchIfRef(widths[i]);\n        }\n        defaultWidth = parseFloat(descriptor.get(\"MissingWidth\")) || 0;\n      } else {\n        // Trying get the BaseFont metrics (see comment above).\n        var baseFontName = dict.get(\"BaseFont\");\n        if (isName(baseFontName)) {\n          var metrics = this.getBaseFontMetrics(baseFontName.name);\n\n          glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties);\n          defaultWidth = metrics.defaultWidth;\n        }\n      }\n    }\n\n    // Heuristic: detection of monospace font by checking all non-zero widths\n    var isMonospace = true;\n    var firstWidth = defaultWidth;\n    for (var glyph in glyphsWidths) {\n      var glyphWidth = glyphsWidths[glyph];\n      if (!glyphWidth) {\n        continue;\n      }\n      if (!firstWidth) {\n        firstWidth = glyphWidth;\n        continue;\n      }\n      if (firstWidth !== glyphWidth) {\n        isMonospace = false;\n        break;\n      }\n    }\n    if (isMonospace) {\n      properties.flags |= FontFlags.FixedPitch;\n    }\n\n    properties.defaultWidth = defaultWidth;\n    properties.widths = glyphsWidths;\n    properties.defaultVMetrics = defaultVMetrics;\n    properties.vmetrics = glyphsVMetrics;\n  }\n\n  isSerifFont(baseFontName) {\n    // Simulating descriptor flags attribute\n    var fontNameWoStyle = baseFontName.split(\"-\")[0];\n    return (\n      fontNameWoStyle in getSerifFonts() ||\n      fontNameWoStyle.search(/serif/gi) !== -1\n    );\n  }\n\n  getBaseFontMetrics(name) {\n    var defaultWidth = 0;\n    var widths = [];\n    var monospace = false;\n    var stdFontMap = getStdFontMap();\n    var lookupName = stdFontMap[name] || name;\n    var Metrics = getMetrics();\n\n    if (!(lookupName in Metrics)) {\n      // Use default fonts for looking up font metrics if the passed\n      // font is not a base font\n      if (this.isSerifFont(name)) {\n        lookupName = \"Times-Roman\";\n      } else {\n        lookupName = \"Helvetica\";\n      }\n    }\n    var glyphWidths = Metrics[lookupName];\n\n    if (isNum(glyphWidths)) {\n      defaultWidth = glyphWidths;\n      monospace = true;\n    } else {\n      widths = glyphWidths(); // expand lazy widths array\n    }\n\n    return {\n      defaultWidth,\n      monospace,\n      widths,\n    };\n  }\n\n  buildCharCodeToWidth(widthsByGlyphName, properties) {\n    var widths = Object.create(null);\n    var differences = properties.differences;\n    var encoding = properties.defaultEncoding;\n    for (var charCode = 0; charCode < 256; charCode++) {\n      if (charCode in differences && widthsByGlyphName[differences[charCode]]) {\n        widths[charCode] = widthsByGlyphName[differences[charCode]];\n        continue;\n      }\n      if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {\n        widths[charCode] = widthsByGlyphName[encoding[charCode]];\n        continue;\n      }\n    }\n    return widths;\n  }\n\n  preEvaluateFont(dict) {\n    var baseDict = dict;\n    var type = dict.get(\"Subtype\");\n    if (!isName(type)) {\n      throw new FormatError(\"invalid font Subtype\");\n    }\n\n    var composite = false;\n    var uint8array;\n    if (type.name === \"Type0\") {\n      // If font is a composite\n      //  - get the descendant font\n      //  - set the type according to the descendant font\n      //  - get the FontDescriptor from the descendant font\n      var df = dict.get(\"DescendantFonts\");\n      if (!df) {\n        throw new FormatError(\"Descendant fonts are not specified\");\n      }\n      dict = Array.isArray(df) ? this.xref.fetchIfRef(df[0]) : df;\n\n      type = dict.get(\"Subtype\");\n      if (!isName(type)) {\n        throw new FormatError(\"invalid font Subtype\");\n      }\n      composite = true;\n    }\n\n    var descriptor = dict.get(\"FontDescriptor\");\n    if (descriptor) {\n      var hash = new MurmurHash3_64();\n      var encoding = baseDict.getRaw(\"Encoding\");\n      if (isName(encoding)) {\n        hash.update(encoding.name);\n      } else if (isRef(encoding)) {\n        hash.update(encoding.toString());\n      } else if (isDict(encoding)) {\n        for (const entry of encoding.getRawValues()) {\n          if (isName(entry)) {\n            hash.update(entry.name);\n          } else if (isRef(entry)) {\n            hash.update(entry.toString());\n          } else if (Array.isArray(entry)) {\n            // 'Differences' array (fixes bug1157493.pdf).\n            var diffLength = entry.length,\n              diffBuf = new Array(diffLength);\n\n            for (var j = 0; j < diffLength; j++) {\n              var diffEntry = entry[j];\n              if (isName(diffEntry)) {\n                diffBuf[j] = diffEntry.name;\n              } else if (isNum(diffEntry) || isRef(diffEntry)) {\n                diffBuf[j] = diffEntry.toString();\n              }\n            }\n            hash.update(diffBuf.join());\n          }\n        }\n      }\n\n      const firstChar = dict.get(\"FirstChar\") || 0;\n      const lastChar = dict.get(\"LastChar\") || (composite ? 0xffff : 0xff);\n      hash.update(`${firstChar}-${lastChar}`);\n\n      var toUnicode = dict.get(\"ToUnicode\") || baseDict.get(\"ToUnicode\");\n      if (isStream(toUnicode)) {\n        var stream = toUnicode.str || toUnicode;\n        uint8array = stream.buffer\n          ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength)\n          : new Uint8Array(\n              stream.bytes.buffer,\n              stream.start,\n              stream.end - stream.start\n            );\n        hash.update(uint8array);\n      } else if (isName(toUnicode)) {\n        hash.update(toUnicode.name);\n      }\n\n      var widths = dict.get(\"Widths\") || baseDict.get(\"Widths\");\n      if (widths) {\n        uint8array = new Uint8Array(new Uint32Array(widths).buffer);\n        hash.update(uint8array);\n      }\n    }\n\n    return {\n      descriptor,\n      dict,\n      baseDict,\n      composite,\n      type: type.name,\n      hash: hash ? hash.hexdigest() : \"\",\n    };\n  }\n\n  translateFont(preEvaluatedFont) {\n    var baseDict = preEvaluatedFont.baseDict;\n    var dict = preEvaluatedFont.dict;\n    var composite = preEvaluatedFont.composite;\n    var descriptor = preEvaluatedFont.descriptor;\n    var type = preEvaluatedFont.type;\n    var maxCharIndex = composite ? 0xffff : 0xff;\n    var properties;\n    const firstChar = dict.get(\"FirstChar\") || 0;\n    const lastChar = dict.get(\"LastChar\") || maxCharIndex;\n\n    if (!descriptor) {\n      if (type === \"Type3\") {\n        // FontDescriptor is only required for Type3 fonts when the document\n        // is a tagged pdf. Create a barbebones one to get by.\n        descriptor = new Dict(null);\n        descriptor.set(\"FontName\", Name.get(type));\n        descriptor.set(\"FontBBox\", dict.getArray(\"FontBBox\") || [0, 0, 0, 0]);\n      } else {\n        // Before PDF 1.5 if the font was one of the base 14 fonts, having a\n        // FontDescriptor was not required.\n        // This case is here for compatibility.\n        var baseFontName = dict.get(\"BaseFont\");\n        if (!isName(baseFontName)) {\n          throw new FormatError(\"Base font is not specified\");\n        }\n\n        // Using base font name as a font name.\n        baseFontName = baseFontName.name.replace(/[,_]/g, \"-\");\n        var metrics = this.getBaseFontMetrics(baseFontName);\n\n        // Simulating descriptor flags attribute\n        var fontNameWoStyle = baseFontName.split(\"-\")[0];\n        var flags =\n          (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) |\n          (metrics.monospace ? FontFlags.FixedPitch : 0) |\n          (getSymbolsFonts()[fontNameWoStyle]\n            ? FontFlags.Symbolic\n            : FontFlags.Nonsymbolic);\n\n        properties = {\n          type,\n          name: baseFontName,\n          widths: metrics.widths,\n          defaultWidth: metrics.defaultWidth,\n          flags,\n          firstChar,\n          lastChar,\n        };\n        const widths = dict.get(\"Widths\");\n        return this.extractDataStructures(dict, dict, properties).then(\n          newProperties => {\n            if (widths) {\n              const glyphWidths = [];\n              let j = firstChar;\n              for (let i = 0, ii = widths.length; i < ii; i++) {\n                glyphWidths[j++] = this.xref.fetchIfRef(widths[i]);\n              }\n              newProperties.widths = glyphWidths;\n            } else {\n              newProperties.widths = this.buildCharCodeToWidth(\n                metrics.widths,\n                newProperties\n              );\n            }\n            return new Font(baseFontName, null, newProperties);\n          }\n        );\n      }\n    }\n\n    // According to the spec if 'FontDescriptor' is declared, 'FirstChar',\n    // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem\n    // to ignore this rule when a variant of a standard font is used.\n    // TODO Fill the width array depending on which of the base font this is\n    // a variant.\n\n    var fontName = descriptor.get(\"FontName\");\n    var baseFont = dict.get(\"BaseFont\");\n    // Some bad PDFs have a string as the font name.\n    if (isString(fontName)) {\n      fontName = Name.get(fontName);\n    }\n    if (isString(baseFont)) {\n      baseFont = Name.get(baseFont);\n    }\n\n    if (type !== \"Type3\") {\n      var fontNameStr = fontName && fontName.name;\n      var baseFontStr = baseFont && baseFont.name;\n      if (fontNameStr !== baseFontStr) {\n        info(\n          `The FontDescriptor\\'s FontName is \"${fontNameStr}\" but ` +\n            `should be the same as the Font\\'s BaseFont \"${baseFontStr}\".`\n        );\n        // Workaround for cases where e.g. fontNameStr = 'Arial' and\n        // baseFontStr = 'Arial,Bold' (needed when no font file is embedded).\n        if (fontNameStr && baseFontStr && baseFontStr.startsWith(fontNameStr)) {\n          fontName = baseFont;\n        }\n      }\n    }\n    fontName = fontName || baseFont;\n\n    if (!isName(fontName)) {\n      throw new FormatError(\"invalid font name\");\n    }\n\n    var fontFile = descriptor.get(\"FontFile\", \"FontFile2\", \"FontFile3\");\n    if (fontFile) {\n      if (fontFile.dict) {\n        var subtype = fontFile.dict.get(\"Subtype\");\n        if (subtype) {\n          subtype = subtype.name;\n        }\n        var length1 = fontFile.dict.get(\"Length1\");\n        var length2 = fontFile.dict.get(\"Length2\");\n        var length3 = fontFile.dict.get(\"Length3\");\n      }\n    }\n\n    properties = {\n      type,\n      name: fontName.name,\n      subtype,\n      file: fontFile,\n      length1,\n      length2,\n      length3,\n      loadedName: baseDict.loadedName,\n      composite,\n      fixedPitch: false,\n      fontMatrix: dict.getArray(\"FontMatrix\") || FONT_IDENTITY_MATRIX,\n      firstChar: firstChar || 0,\n      lastChar: lastChar || maxCharIndex,\n      bbox: descriptor.getArray(\"FontBBox\"),\n      ascent: descriptor.get(\"Ascent\"),\n      descent: descriptor.get(\"Descent\"),\n      xHeight: descriptor.get(\"XHeight\"),\n      capHeight: descriptor.get(\"CapHeight\"),\n      flags: descriptor.get(\"Flags\"),\n      italicAngle: descriptor.get(\"ItalicAngle\"),\n      isType3Font: false,\n    };\n\n    var cMapPromise;\n    if (composite) {\n      var cidEncoding = baseDict.get(\"Encoding\");\n      if (isName(cidEncoding)) {\n        properties.cidEncoding = cidEncoding.name;\n      }\n      cMapPromise = CMapFactory.create({\n        encoding: cidEncoding,\n        fetchBuiltInCMap: this._fetchBuiltInCMapBound,\n        useCMap: null,\n      }).then(function (cMap) {\n        properties.cMap = cMap;\n        properties.vertical = properties.cMap.vertical;\n      });\n    } else {\n      cMapPromise = Promise.resolve(undefined);\n    }\n\n    return cMapPromise\n      .then(() => {\n        return this.extractDataStructures(dict, baseDict, properties);\n      })\n      .then(newProperties => {\n        this.extractWidths(dict, descriptor, newProperties);\n\n        if (type === \"Type3\") {\n          newProperties.isType3Font = true;\n        }\n        return new Font(fontName.name, fontFile, newProperties);\n      });\n  }\n\n  static buildFontPaths(font, glyphs, handler) {\n    function buildPath(fontChar) {\n      if (font.renderer.hasBuiltPath(fontChar)) {\n        return;\n      }\n      handler.send(\"commonobj\", [\n        `${font.loadedName}_path_${fontChar}`,\n        \"FontPath\",\n        font.renderer.getPathJs(fontChar),\n      ]);\n    }\n\n    for (const glyph of glyphs) {\n      buildPath(glyph.fontChar);\n\n      // If the glyph has an accent we need to build a path for its\n      // fontChar too, otherwise CanvasGraphics_paintChar will fail.\n      const accent = glyph.accent;\n      if (accent && accent.fontChar) {\n        buildPath(accent.fontChar);\n      }\n    }\n  }\n\n  static get fallbackFontDict() {\n    const dict = new Dict();\n    dict.set(\"BaseFont\", Name.get(\"PDFJS-FallbackFont\"));\n    dict.set(\"Type\", Name.get(\"FallbackType\"));\n    dict.set(\"Subtype\", Name.get(\"FallbackType\"));\n    dict.set(\"Encoding\", Name.get(\"WinAnsiEncoding\"));\n\n    return shadow(this, \"fallbackFontDict\", dict);\n  }\n}\n\nclass TranslatedFont {\n  constructor({ loadedName, font, dict, extraProperties = false }) {\n    this.loadedName = loadedName;\n    this.font = font;\n    this.dict = dict;\n    this._extraProperties = extraProperties;\n    this.type3Loaded = null;\n    this.type3Dependencies = font.isType3Font ? new Set() : null;\n    this.sent = false;\n  }\n\n  send(handler) {\n    if (this.sent) {\n      return;\n    }\n    this.sent = true;\n\n    handler.send(\"commonobj\", [\n      this.loadedName,\n      \"Font\",\n      this.font.exportData(this._extraProperties),\n    ]);\n  }\n\n  fallback(handler) {\n    if (!this.font.data) {\n      return;\n    }\n    // When font loading failed, fall back to the built-in font renderer.\n    this.font.disableFontFace = true;\n    // An arbitrary number of text rendering operators could have been\n    // encountered between the point in time when the 'Font' message was sent\n    // to the main-thread, and the point in time when the 'FontFallback'\n    // message was received on the worker-thread.\n    // To ensure that all 'FontPath's are available on the main-thread, when\n    // font loading failed, attempt to resend *all* previously parsed glyphs.\n    const glyphs = this.font.glyphCacheValues;\n    PartialEvaluator.buildFontPaths(this.font, glyphs, handler);\n  }\n\n  loadType3Data(evaluator, resources, task) {\n    if (this.type3Loaded) {\n      return this.type3Loaded;\n    }\n    if (!this.font.isType3Font) {\n      throw new Error(\"Must be a Type3 font.\");\n    }\n    // When parsing Type3 glyphs, always ignore them if there are errors.\n    // Compared to the parsing of e.g. an entire page, it doesn't really\n    // make sense to only be able to render a Type3 glyph partially.\n    var type3Options = Object.create(evaluator.options);\n    type3Options.ignoreErrors = false;\n    var type3Evaluator = evaluator.clone(type3Options);\n    type3Evaluator.parsingType3Font = true;\n\n    const translatedFont = this.font,\n      type3Dependencies = this.type3Dependencies;\n    var loadCharProcsPromise = Promise.resolve();\n    var charProcs = this.dict.get(\"CharProcs\");\n    var fontResources = this.dict.get(\"Resources\") || resources;\n    var charProcOperatorList = Object.create(null);\n\n    for (const key of charProcs.getKeys()) {\n      loadCharProcsPromise = loadCharProcsPromise.then(function () {\n        var glyphStream = charProcs.get(key);\n        var operatorList = new OperatorList();\n        return type3Evaluator\n          .getOperatorList({\n            stream: glyphStream,\n            task,\n            resources: fontResources,\n            operatorList,\n          })\n          .then(function () {\n            charProcOperatorList[key] = operatorList.getIR();\n\n            for (const dependency of operatorList.dependencies) {\n              type3Dependencies.add(dependency);\n            }\n          })\n          .catch(function (reason) {\n            warn(`Type3 font resource \"${key}\" is not available.`);\n            const dummyOperatorList = new OperatorList();\n            charProcOperatorList[key] = dummyOperatorList.getIR();\n          });\n      });\n    }\n    this.type3Loaded = loadCharProcsPromise.then(function () {\n      translatedFont.charProcOperatorList = charProcOperatorList;\n    });\n    return this.type3Loaded;\n  }\n}\n\nclass StateManager {\n  constructor(initialState) {\n    this.state = initialState;\n    this.stateStack = [];\n  }\n\n  save() {\n    var old = this.state;\n    this.stateStack.push(this.state);\n    this.state = old.clone();\n  }\n\n  restore() {\n    var prev = this.stateStack.pop();\n    if (prev) {\n      this.state = prev;\n    }\n  }\n\n  transform(args) {\n    this.state.ctm = Util.transform(this.state.ctm, args);\n  }\n}\n\nclass TextState {\n  constructor() {\n    this.ctm = new Float32Array(IDENTITY_MATRIX);\n    this.fontName = null;\n    this.fontSize = 0;\n    this.font = null;\n    this.fontMatrix = FONT_IDENTITY_MATRIX;\n    this.textMatrix = IDENTITY_MATRIX.slice();\n    this.textLineMatrix = IDENTITY_MATRIX.slice();\n    this.charSpacing = 0;\n    this.wordSpacing = 0;\n    this.leading = 0;\n    this.textHScale = 1;\n    this.textRise = 0;\n  }\n\n  setTextMatrix(a, b, c, d, e, f) {\n    var m = this.textMatrix;\n    m[0] = a;\n    m[1] = b;\n    m[2] = c;\n    m[3] = d;\n    m[4] = e;\n    m[5] = f;\n  }\n\n  setTextLineMatrix(a, b, c, d, e, f) {\n    var m = this.textLineMatrix;\n    m[0] = a;\n    m[1] = b;\n    m[2] = c;\n    m[3] = d;\n    m[4] = e;\n    m[5] = f;\n  }\n\n  translateTextMatrix(x, y) {\n    var m = this.textMatrix;\n    m[4] = m[0] * x + m[2] * y + m[4];\n    m[5] = m[1] * x + m[3] * y + m[5];\n  }\n\n  translateTextLineMatrix(x, y) {\n    var m = this.textLineMatrix;\n    m[4] = m[0] * x + m[2] * y + m[4];\n    m[5] = m[1] * x + m[3] * y + m[5];\n  }\n\n  calcTextLineMatrixAdvance(a, b, c, d, e, f) {\n    var font = this.font;\n    if (!font) {\n      return null;\n    }\n    var m = this.textLineMatrix;\n    if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) {\n      return null;\n    }\n    var txDiff = e - m[4],\n      tyDiff = f - m[5];\n    if ((font.vertical && txDiff !== 0) || (!font.vertical && tyDiff !== 0)) {\n      return null;\n    }\n    var tx,\n      ty,\n      denominator = a * d - b * c;\n    if (font.vertical) {\n      tx = (-tyDiff * c) / denominator;\n      ty = (tyDiff * a) / denominator;\n    } else {\n      tx = (txDiff * d) / denominator;\n      ty = (-txDiff * b) / denominator;\n    }\n    return { width: tx, height: ty, value: font.vertical ? ty : tx };\n  }\n\n  calcRenderMatrix(ctm) {\n    // 9.4.4 Text Space Details\n    var tsm = [\n      this.fontSize * this.textHScale,\n      0,\n      0,\n      this.fontSize,\n      0,\n      this.textRise,\n    ];\n    return Util.transform(ctm, Util.transform(this.textMatrix, tsm));\n  }\n\n  carriageReturn() {\n    this.translateTextLineMatrix(0, -this.leading);\n    this.textMatrix = this.textLineMatrix.slice();\n  }\n\n  clone() {\n    var clone = Object.create(this);\n    clone.textMatrix = this.textMatrix.slice();\n    clone.textLineMatrix = this.textLineMatrix.slice();\n    clone.fontMatrix = this.fontMatrix.slice();\n    return clone;\n  }\n}\n\nclass EvalState {\n  constructor() {\n    this.ctm = new Float32Array(IDENTITY_MATRIX);\n    this.font = null;\n    this.textRenderingMode = TextRenderingMode.FILL;\n    this.fillColorSpace = ColorSpace.singletons.gray;\n    this.strokeColorSpace = ColorSpace.singletons.gray;\n  }\n\n  clone() {\n    return Object.create(this);\n  }\n}\n\nclass EvaluatorPreprocessor {\n  static get opMap() {\n    // Specifies properties for each command\n    //\n    // If variableArgs === true: [0, `numArgs`] expected\n    // If variableArgs === false: exactly `numArgs` expected\n    const getOPMap = getLookupTableFactory(function (t) {\n      // Graphic state\n      t.w = { id: OPS.setLineWidth, numArgs: 1, variableArgs: false };\n      t.J = { id: OPS.setLineCap, numArgs: 1, variableArgs: false };\n      t.j = { id: OPS.setLineJoin, numArgs: 1, variableArgs: false };\n      t.M = { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false };\n      t.d = { id: OPS.setDash, numArgs: 2, variableArgs: false };\n      t.ri = { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false };\n      t.i = { id: OPS.setFlatness, numArgs: 1, variableArgs: false };\n      t.gs = { id: OPS.setGState, numArgs: 1, variableArgs: false };\n      t.q = { id: OPS.save, numArgs: 0, variableArgs: false };\n      t.Q = { id: OPS.restore, numArgs: 0, variableArgs: false };\n      t.cm = { id: OPS.transform, numArgs: 6, variableArgs: false };\n\n      // Path\n      t.m = { id: OPS.moveTo, numArgs: 2, variableArgs: false };\n      t.l = { id: OPS.lineTo, numArgs: 2, variableArgs: false };\n      t.c = { id: OPS.curveTo, numArgs: 6, variableArgs: false };\n      t.v = { id: OPS.curveTo2, numArgs: 4, variableArgs: false };\n      t.y = { id: OPS.curveTo3, numArgs: 4, variableArgs: false };\n      t.h = { id: OPS.closePath, numArgs: 0, variableArgs: false };\n      t.re = { id: OPS.rectangle, numArgs: 4, variableArgs: false };\n      t.S = { id: OPS.stroke, numArgs: 0, variableArgs: false };\n      t.s = { id: OPS.closeStroke, numArgs: 0, variableArgs: false };\n      t.f = { id: OPS.fill, numArgs: 0, variableArgs: false };\n      t.F = { id: OPS.fill, numArgs: 0, variableArgs: false };\n      t[\"f*\"] = { id: OPS.eoFill, numArgs: 0, variableArgs: false };\n      t.B = { id: OPS.fillStroke, numArgs: 0, variableArgs: false };\n      t[\"B*\"] = { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false };\n      t.b = { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false };\n      t[\"b*\"] = { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false };\n      t.n = { id: OPS.endPath, numArgs: 0, variableArgs: false };\n\n      // Clipping\n      t.W = { id: OPS.clip, numArgs: 0, variableArgs: false };\n      t[\"W*\"] = { id: OPS.eoClip, numArgs: 0, variableArgs: false };\n\n      // Text\n      t.BT = { id: OPS.beginText, numArgs: 0, variableArgs: false };\n      t.ET = { id: OPS.endText, numArgs: 0, variableArgs: false };\n      t.Tc = { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false };\n      t.Tw = { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false };\n      t.Tz = { id: OPS.setHScale, numArgs: 1, variableArgs: false };\n      t.TL = { id: OPS.setLeading, numArgs: 1, variableArgs: false };\n      t.Tf = { id: OPS.setFont, numArgs: 2, variableArgs: false };\n      t.Tr = { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false };\n      t.Ts = { id: OPS.setTextRise, numArgs: 1, variableArgs: false };\n      t.Td = { id: OPS.moveText, numArgs: 2, variableArgs: false };\n      t.TD = { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false };\n      t.Tm = { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false };\n      t[\"T*\"] = { id: OPS.nextLine, numArgs: 0, variableArgs: false };\n      t.Tj = { id: OPS.showText, numArgs: 1, variableArgs: false };\n      t.TJ = { id: OPS.showSpacedText, numArgs: 1, variableArgs: false };\n      t[\"'\"] = { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false };\n      t['\"'] = {\n        id: OPS.nextLineSetSpacingShowText,\n        numArgs: 3,\n        variableArgs: false,\n      };\n\n      // Type3 fonts\n      t.d0 = { id: OPS.setCharWidth, numArgs: 2, variableArgs: false };\n      t.d1 = {\n        id: OPS.setCharWidthAndBounds,\n        numArgs: 6,\n        variableArgs: false,\n      };\n\n      // Color\n      t.CS = { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false };\n      t.cs = { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false };\n      t.SC = { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true };\n      t.SCN = { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true };\n      t.sc = { id: OPS.setFillColor, numArgs: 4, variableArgs: true };\n      t.scn = { id: OPS.setFillColorN, numArgs: 33, variableArgs: true };\n      t.G = { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false };\n      t.g = { id: OPS.setFillGray, numArgs: 1, variableArgs: false };\n      t.RG = { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false };\n      t.rg = { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false };\n      t.K = { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false };\n      t.k = { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false };\n\n      // Shading\n      t.sh = { id: OPS.shadingFill, numArgs: 1, variableArgs: false };\n\n      // Images\n      t.BI = { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false };\n      t.ID = { id: OPS.beginImageData, numArgs: 0, variableArgs: false };\n      t.EI = { id: OPS.endInlineImage, numArgs: 1, variableArgs: false };\n\n      // XObjects\n      t.Do = { id: OPS.paintXObject, numArgs: 1, variableArgs: false };\n      t.MP = { id: OPS.markPoint, numArgs: 1, variableArgs: false };\n      t.DP = { id: OPS.markPointProps, numArgs: 2, variableArgs: false };\n      t.BMC = { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false };\n      t.BDC = {\n        id: OPS.beginMarkedContentProps,\n        numArgs: 2,\n        variableArgs: false,\n      };\n      t.EMC = { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false };\n\n      // Compatibility\n      t.BX = { id: OPS.beginCompat, numArgs: 0, variableArgs: false };\n      t.EX = { id: OPS.endCompat, numArgs: 0, variableArgs: false };\n\n      // (reserved partial commands for the lexer)\n      t.BM = null;\n      t.BD = null;\n      t.true = null;\n      t.fa = null;\n      t.fal = null;\n      t.fals = null;\n      t.false = null;\n      t.nu = null;\n      t.nul = null;\n      t.null = null;\n    });\n\n    return shadow(this, \"opMap\", getOPMap());\n  }\n\n  static get MAX_INVALID_PATH_OPS() {\n    return shadow(this, \"MAX_INVALID_PATH_OPS\", 20);\n  }\n\n  constructor(stream, xref, stateManager) {\n    // TODO(mduan): pass array of knownCommands rather than this.opMap\n    // dictionary\n    this.parser = new Parser({\n      lexer: new Lexer(stream, EvaluatorPreprocessor.opMap),\n      xref,\n    });\n    this.stateManager = stateManager;\n    this.nonProcessedArgs = [];\n    this._numInvalidPathOPS = 0;\n  }\n\n  get savedStatesDepth() {\n    return this.stateManager.stateStack.length;\n  }\n\n  // |operation| is an object with two fields:\n  //\n  // - |fn| is an out param.\n  //\n  // - |args| is an inout param. On entry, it should have one of two values.\n  //\n  //   - An empty array. This indicates that the caller is providing the\n  //     array in which the args will be stored in. The caller should use\n  //     this value if it can reuse a single array for each call to read().\n  //\n  //   - |null|. This indicates that the caller needs this function to create\n  //     the array in which any args are stored in. If there are zero args,\n  //     this function will leave |operation.args| as |null| (thus avoiding\n  //     allocations that would occur if we used an empty array to represent\n  //     zero arguments). Otherwise, it will replace |null| with a new array\n  //     containing the arguments. The caller should use this value if it\n  //     cannot reuse an array for each call to read().\n  //\n  // These two modes are present because this function is very hot and so\n  // avoiding allocations where possible is worthwhile.\n  //\n  read(operation) {\n    var args = operation.args;\n    while (true) {\n      var obj = this.parser.getObj();\n      if (obj instanceof Cmd) {\n        var cmd = obj.cmd;\n        // Check that the command is valid\n        var opSpec = EvaluatorPreprocessor.opMap[cmd];\n        if (!opSpec) {\n          warn(`Unknown command \"${cmd}\".`);\n          continue;\n        }\n\n        var fn = opSpec.id;\n        var numArgs = opSpec.numArgs;\n        var argsLength = args !== null ? args.length : 0;\n\n        if (!opSpec.variableArgs) {\n          // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf\n          if (argsLength !== numArgs) {\n            var nonProcessedArgs = this.nonProcessedArgs;\n            while (argsLength > numArgs) {\n              nonProcessedArgs.push(args.shift());\n              argsLength--;\n            }\n            while (argsLength < numArgs && nonProcessedArgs.length !== 0) {\n              if (args === null) {\n                args = [];\n              }\n              args.unshift(nonProcessedArgs.pop());\n              argsLength++;\n            }\n          }\n\n          if (argsLength < numArgs) {\n            const partialMsg =\n              `command ${cmd}: expected ${numArgs} args, ` +\n              `but received ${argsLength} args.`;\n\n            // Incomplete path operators, in particular, can result in fairly\n            // chaotic rendering artifacts. Hence the following heuristics is\n            // used to error, rather than just warn, once a number of invalid\n            // path operators have been encountered (fixes bug1443140.pdf).\n            if (\n              fn >= OPS.moveTo &&\n              fn <= OPS.endPath && // Path operator\n              ++this._numInvalidPathOPS >\n                EvaluatorPreprocessor.MAX_INVALID_PATH_OPS\n            ) {\n              throw new FormatError(`Invalid ${partialMsg}`);\n            }\n            // If we receive too few arguments, it's not possible to execute\n            // the command, hence we skip the command.\n            warn(`Skipping ${partialMsg}`);\n            if (args !== null) {\n              args.length = 0;\n            }\n            continue;\n          }\n        } else if (argsLength > numArgs) {\n          info(\n            `Command ${cmd}: expected [0, ${numArgs}] args, ` +\n              `but received ${argsLength} args.`\n          );\n        }\n\n        // TODO figure out how to type-check vararg functions\n        this.preprocessCommand(fn, args);\n\n        operation.fn = fn;\n        operation.args = args;\n        return true;\n      }\n      if (obj === EOF) {\n        return false; // no more commands\n      }\n      // argument\n      if (obj !== null) {\n        if (args === null) {\n          args = [];\n        }\n        args.push(obj);\n        if (args.length > 33) {\n          throw new FormatError(\"Too many arguments\");\n        }\n      }\n    }\n  }\n\n  preprocessCommand(fn, args) {\n    switch (fn | 0) {\n      case OPS.save:\n        this.stateManager.save();\n        break;\n      case OPS.restore:\n        this.stateManager.restore();\n        break;\n      case OPS.transform:\n        this.stateManager.transform(args);\n        break;\n    }\n  }\n}\n\nexport { PartialEvaluator };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CMapCompressionType,\n  FormatError,\n  isString,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { isCmd, isEOF, isName, isStream } from \"./primitives.js\";\nimport { Lexer } from \"./parser.js\";\nimport { MissingDataException } from \"./core_utils.js\";\nimport { Stream } from \"./stream.js\";\n\nvar BUILT_IN_CMAPS = [\n  // << Start unicode maps.\n  \"Adobe-GB1-UCS2\",\n  \"Adobe-CNS1-UCS2\",\n  \"Adobe-Japan1-UCS2\",\n  \"Adobe-Korea1-UCS2\",\n  // >> End unicode maps.\n  \"78-EUC-H\",\n  \"78-EUC-V\",\n  \"78-H\",\n  \"78-RKSJ-H\",\n  \"78-RKSJ-V\",\n  \"78-V\",\n  \"78ms-RKSJ-H\",\n  \"78ms-RKSJ-V\",\n  \"83pv-RKSJ-H\",\n  \"90ms-RKSJ-H\",\n  \"90ms-RKSJ-V\",\n  \"90msp-RKSJ-H\",\n  \"90msp-RKSJ-V\",\n  \"90pv-RKSJ-H\",\n  \"90pv-RKSJ-V\",\n  \"Add-H\",\n  \"Add-RKSJ-H\",\n  \"Add-RKSJ-V\",\n  \"Add-V\",\n  \"Adobe-CNS1-0\",\n  \"Adobe-CNS1-1\",\n  \"Adobe-CNS1-2\",\n  \"Adobe-CNS1-3\",\n  \"Adobe-CNS1-4\",\n  \"Adobe-CNS1-5\",\n  \"Adobe-CNS1-6\",\n  \"Adobe-GB1-0\",\n  \"Adobe-GB1-1\",\n  \"Adobe-GB1-2\",\n  \"Adobe-GB1-3\",\n  \"Adobe-GB1-4\",\n  \"Adobe-GB1-5\",\n  \"Adobe-Japan1-0\",\n  \"Adobe-Japan1-1\",\n  \"Adobe-Japan1-2\",\n  \"Adobe-Japan1-3\",\n  \"Adobe-Japan1-4\",\n  \"Adobe-Japan1-5\",\n  \"Adobe-Japan1-6\",\n  \"Adobe-Korea1-0\",\n  \"Adobe-Korea1-1\",\n  \"Adobe-Korea1-2\",\n  \"B5-H\",\n  \"B5-V\",\n  \"B5pc-H\",\n  \"B5pc-V\",\n  \"CNS-EUC-H\",\n  \"CNS-EUC-V\",\n  \"CNS1-H\",\n  \"CNS1-V\",\n  \"CNS2-H\",\n  \"CNS2-V\",\n  \"ETHK-B5-H\",\n  \"ETHK-B5-V\",\n  \"ETen-B5-H\",\n  \"ETen-B5-V\",\n  \"ETenms-B5-H\",\n  \"ETenms-B5-V\",\n  \"EUC-H\",\n  \"EUC-V\",\n  \"Ext-H\",\n  \"Ext-RKSJ-H\",\n  \"Ext-RKSJ-V\",\n  \"Ext-V\",\n  \"GB-EUC-H\",\n  \"GB-EUC-V\",\n  \"GB-H\",\n  \"GB-V\",\n  \"GBK-EUC-H\",\n  \"GBK-EUC-V\",\n  \"GBK2K-H\",\n  \"GBK2K-V\",\n  \"GBKp-EUC-H\",\n  \"GBKp-EUC-V\",\n  \"GBT-EUC-H\",\n  \"GBT-EUC-V\",\n  \"GBT-H\",\n  \"GBT-V\",\n  \"GBTpc-EUC-H\",\n  \"GBTpc-EUC-V\",\n  \"GBpc-EUC-H\",\n  \"GBpc-EUC-V\",\n  \"H\",\n  \"HKdla-B5-H\",\n  \"HKdla-B5-V\",\n  \"HKdlb-B5-H\",\n  \"HKdlb-B5-V\",\n  \"HKgccs-B5-H\",\n  \"HKgccs-B5-V\",\n  \"HKm314-B5-H\",\n  \"HKm314-B5-V\",\n  \"HKm471-B5-H\",\n  \"HKm471-B5-V\",\n  \"HKscs-B5-H\",\n  \"HKscs-B5-V\",\n  \"Hankaku\",\n  \"Hiragana\",\n  \"KSC-EUC-H\",\n  \"KSC-EUC-V\",\n  \"KSC-H\",\n  \"KSC-Johab-H\",\n  \"KSC-Johab-V\",\n  \"KSC-V\",\n  \"KSCms-UHC-H\",\n  \"KSCms-UHC-HW-H\",\n  \"KSCms-UHC-HW-V\",\n  \"KSCms-UHC-V\",\n  \"KSCpc-EUC-H\",\n  \"KSCpc-EUC-V\",\n  \"Katakana\",\n  \"NWP-H\",\n  \"NWP-V\",\n  \"RKSJ-H\",\n  \"RKSJ-V\",\n  \"Roman\",\n  \"UniCNS-UCS2-H\",\n  \"UniCNS-UCS2-V\",\n  \"UniCNS-UTF16-H\",\n  \"UniCNS-UTF16-V\",\n  \"UniCNS-UTF32-H\",\n  \"UniCNS-UTF32-V\",\n  \"UniCNS-UTF8-H\",\n  \"UniCNS-UTF8-V\",\n  \"UniGB-UCS2-H\",\n  \"UniGB-UCS2-V\",\n  \"UniGB-UTF16-H\",\n  \"UniGB-UTF16-V\",\n  \"UniGB-UTF32-H\",\n  \"UniGB-UTF32-V\",\n  \"UniGB-UTF8-H\",\n  \"UniGB-UTF8-V\",\n  \"UniJIS-UCS2-H\",\n  \"UniJIS-UCS2-HW-H\",\n  \"UniJIS-UCS2-HW-V\",\n  \"UniJIS-UCS2-V\",\n  \"UniJIS-UTF16-H\",\n  \"UniJIS-UTF16-V\",\n  \"UniJIS-UTF32-H\",\n  \"UniJIS-UTF32-V\",\n  \"UniJIS-UTF8-H\",\n  \"UniJIS-UTF8-V\",\n  \"UniJIS2004-UTF16-H\",\n  \"UniJIS2004-UTF16-V\",\n  \"UniJIS2004-UTF32-H\",\n  \"UniJIS2004-UTF32-V\",\n  \"UniJIS2004-UTF8-H\",\n  \"UniJIS2004-UTF8-V\",\n  \"UniJISPro-UCS2-HW-V\",\n  \"UniJISPro-UCS2-V\",\n  \"UniJISPro-UTF8-V\",\n  \"UniJISX0213-UTF32-H\",\n  \"UniJISX0213-UTF32-V\",\n  \"UniJISX02132004-UTF32-H\",\n  \"UniJISX02132004-UTF32-V\",\n  \"UniKS-UCS2-H\",\n  \"UniKS-UCS2-V\",\n  \"UniKS-UTF16-H\",\n  \"UniKS-UTF16-V\",\n  \"UniKS-UTF32-H\",\n  \"UniKS-UTF32-V\",\n  \"UniKS-UTF8-H\",\n  \"UniKS-UTF8-V\",\n  \"V\",\n  \"WP-Symbol\",\n];\n\n// Heuristic to avoid hanging the worker-thread for CMap data with ridiculously\n// large ranges, such as e.g. 0xFFFFFFFF (fixes issue11922_reduced.pdf).\nconst MAX_MAP_RANGE = 2 ** 24 - 1; // = 0xFFFFFF\n\n// CMap, not to be confused with TrueType's cmap.\nclass CMap {\n  constructor(builtInCMap = false) {\n    // Codespace ranges are stored as follows:\n    // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]]\n    // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...]\n    this.codespaceRanges = [[], [], [], []];\n    this.numCodespaceRanges = 0;\n    // Map entries have one of two forms.\n    // - cid chars are 16-bit unsigned integers, stored as integers.\n    // - bf chars are variable-length byte sequences, stored as strings, with\n    //   one byte per character.\n    this._map = [];\n    this.name = \"\";\n    this.vertical = false;\n    this.useCMap = null;\n    this.builtInCMap = builtInCMap;\n  }\n\n  addCodespaceRange(n, low, high) {\n    this.codespaceRanges[n - 1].push(low, high);\n    this.numCodespaceRanges++;\n  }\n\n  mapCidRange(low, high, dstLow) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapCidRange - ignoring data above MAX_MAP_RANGE.\");\n    }\n    while (low <= high) {\n      this._map[low++] = dstLow++;\n    }\n  }\n\n  mapBfRange(low, high, dstLow) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapBfRange - ignoring data above MAX_MAP_RANGE.\");\n    }\n    var lastByte = dstLow.length - 1;\n    while (low <= high) {\n      this._map[low++] = dstLow;\n      // Only the last byte has to be incremented.\n      dstLow =\n        dstLow.substring(0, lastByte) +\n        String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);\n    }\n  }\n\n  mapBfRangeToArray(low, high, array) {\n    if (high - low > MAX_MAP_RANGE) {\n      throw new Error(\"mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.\");\n    }\n    const ii = array.length;\n    let i = 0;\n    while (low <= high && i < ii) {\n      this._map[low] = array[i++];\n      ++low;\n    }\n  }\n\n  // This is used for both bf and cid chars.\n  mapOne(src, dst) {\n    this._map[src] = dst;\n  }\n\n  lookup(code) {\n    return this._map[code];\n  }\n\n  contains(code) {\n    return this._map[code] !== undefined;\n  }\n\n  forEach(callback) {\n    // Most maps have fewer than 65536 entries, and for those we use normal\n    // array iteration. But really sparse tables are possible -- e.g. with\n    // indices in the *billions*. For such tables we use for..in, which isn't\n    // ideal because it stringifies the indices for all present elements, but\n    // it does avoid iterating over every undefined entry.\n    const map = this._map;\n    const length = map.length;\n    if (length <= 0x10000) {\n      for (let i = 0; i < length; i++) {\n        if (map[i] !== undefined) {\n          callback(i, map[i]);\n        }\n      }\n    } else {\n      for (const i in map) {\n        callback(i, map[i]);\n      }\n    }\n  }\n\n  charCodeOf(value) {\n    // `Array.prototype.indexOf` is *extremely* inefficient for arrays which\n    // are both very sparse and very large (see issue8372.pdf).\n    const map = this._map;\n    if (map.length <= 0x10000) {\n      return map.indexOf(value);\n    }\n    for (const charCode in map) {\n      if (map[charCode] === value) {\n        return charCode | 0;\n      }\n    }\n    return -1;\n  }\n\n  getMap() {\n    return this._map;\n  }\n\n  readCharCode(str, offset, out) {\n    let c = 0;\n    const codespaceRanges = this.codespaceRanges;\n    // 9.7.6.2 CMap Mapping\n    // The code length is at most 4.\n    for (let n = 0, nn = codespaceRanges.length; n < nn; n++) {\n      c = ((c << 8) | str.charCodeAt(offset + n)) >>> 0;\n      // Check each codespace range to see if it falls within.\n      const codespaceRange = codespaceRanges[n];\n      for (let k = 0, kk = codespaceRange.length; k < kk; ) {\n        const low = codespaceRange[k++];\n        const high = codespaceRange[k++];\n        if (c >= low && c <= high) {\n          out.charcode = c;\n          out.length = n + 1;\n          return;\n        }\n      }\n    }\n    out.charcode = 0;\n    out.length = 1;\n  }\n\n  get length() {\n    return this._map.length;\n  }\n\n  get isIdentityCMap() {\n    if (!(this.name === \"Identity-H\" || this.name === \"Identity-V\")) {\n      return false;\n    }\n    if (this._map.length !== 0x10000) {\n      return false;\n    }\n    for (let i = 0; i < 0x10000; i++) {\n      if (this._map[i] !== i) {\n        return false;\n      }\n    }\n    return true;\n  }\n}\n\n// A special case of CMap, where the _map array implicitly has a length of\n// 65536 and each element is equal to its index.\nclass IdentityCMap extends CMap {\n  constructor(vertical, n) {\n    super();\n\n    this.vertical = vertical;\n    this.addCodespaceRange(n, 0, 0xffff);\n  }\n\n  mapCidRange(low, high, dstLow) {\n    unreachable(\"should not call mapCidRange\");\n  }\n\n  mapBfRange(low, high, dstLow) {\n    unreachable(\"should not call mapBfRange\");\n  }\n\n  mapBfRangeToArray(low, high, array) {\n    unreachable(\"should not call mapBfRangeToArray\");\n  }\n\n  mapOne(src, dst) {\n    unreachable(\"should not call mapCidOne\");\n  }\n\n  lookup(code) {\n    return Number.isInteger(code) && code <= 0xffff ? code : undefined;\n  }\n\n  contains(code) {\n    return Number.isInteger(code) && code <= 0xffff;\n  }\n\n  forEach(callback) {\n    for (let i = 0; i <= 0xffff; i++) {\n      callback(i, i);\n    }\n  }\n\n  charCodeOf(value) {\n    return Number.isInteger(value) && value <= 0xffff ? value : -1;\n  }\n\n  getMap() {\n    // Sometimes identity maps must be instantiated, but it's rare.\n    const map = new Array(0x10000);\n    for (let i = 0; i <= 0xffff; i++) {\n      map[i] = i;\n    }\n    return map;\n  }\n\n  get length() {\n    return 0x10000;\n  }\n\n  // eslint-disable-next-line getter-return\n  get isIdentityCMap() {\n    unreachable(\"should not access .isIdentityCMap\");\n  }\n}\n\nvar BinaryCMapReader = (function BinaryCMapReaderClosure() {\n  function hexToInt(a, size) {\n    var n = 0;\n    for (var i = 0; i <= size; i++) {\n      n = (n << 8) | a[i];\n    }\n    return n >>> 0;\n  }\n\n  function hexToStr(a, size) {\n    // This code is hot. Special-case some common values to avoid creating an\n    // object with subarray().\n    if (size === 1) {\n      return String.fromCharCode(a[0], a[1]);\n    }\n    if (size === 3) {\n      return String.fromCharCode(a[0], a[1], a[2], a[3]);\n    }\n    return String.fromCharCode.apply(null, a.subarray(0, size + 1));\n  }\n\n  function addHex(a, b, size) {\n    var c = 0;\n    for (var i = size; i >= 0; i--) {\n      c += a[i] + b[i];\n      a[i] = c & 255;\n      c >>= 8;\n    }\n  }\n\n  function incHex(a, size) {\n    var c = 1;\n    for (var i = size; i >= 0 && c > 0; i--) {\n      c += a[i];\n      a[i] = c & 255;\n      c >>= 8;\n    }\n  }\n\n  var MAX_NUM_SIZE = 16;\n  var MAX_ENCODED_NUM_SIZE = 19; // ceil(MAX_NUM_SIZE * 7 / 8)\n\n  function BinaryCMapStream(data) {\n    this.buffer = data;\n    this.pos = 0;\n    this.end = data.length;\n    this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);\n  }\n\n  BinaryCMapStream.prototype = {\n    readByte() {\n      if (this.pos >= this.end) {\n        return -1;\n      }\n      return this.buffer[this.pos++];\n    },\n    readNumber() {\n      var n = 0;\n      var last;\n      do {\n        var b = this.readByte();\n        if (b < 0) {\n          throw new FormatError(\"unexpected EOF in bcmap\");\n        }\n        last = !(b & 0x80);\n        n = (n << 7) | (b & 0x7f);\n      } while (!last);\n      return n;\n    },\n    readSigned() {\n      var n = this.readNumber();\n      return n & 1 ? ~(n >>> 1) : n >>> 1;\n    },\n    readHex(num, size) {\n      num.set(this.buffer.subarray(this.pos, this.pos + size + 1));\n      this.pos += size + 1;\n    },\n    readHexNumber(num, size) {\n      var last;\n      var stack = this.tmpBuf,\n        sp = 0;\n      do {\n        var b = this.readByte();\n        if (b < 0) {\n          throw new FormatError(\"unexpected EOF in bcmap\");\n        }\n        last = !(b & 0x80);\n        stack[sp++] = b & 0x7f;\n      } while (!last);\n      var i = size,\n        buffer = 0,\n        bufferSize = 0;\n      while (i >= 0) {\n        while (bufferSize < 8 && stack.length > 0) {\n          buffer = (stack[--sp] << bufferSize) | buffer;\n          bufferSize += 7;\n        }\n        num[i] = buffer & 255;\n        i--;\n        buffer >>= 8;\n        bufferSize -= 8;\n      }\n    },\n    readHexSigned(num, size) {\n      this.readHexNumber(num, size);\n      var sign = num[size] & 1 ? 255 : 0;\n      var c = 0;\n      for (var i = 0; i <= size; i++) {\n        c = ((c & 1) << 8) | num[i];\n        num[i] = (c >> 1) ^ sign;\n      }\n    },\n    readString() {\n      var len = this.readNumber();\n      var s = \"\";\n      for (var i = 0; i < len; i++) {\n        s += String.fromCharCode(this.readNumber());\n      }\n      return s;\n    },\n  };\n\n  function processBinaryCMap(data, cMap, extend) {\n    return new Promise(function (resolve, reject) {\n      var stream = new BinaryCMapStream(data);\n      var header = stream.readByte();\n      cMap.vertical = !!(header & 1);\n\n      var useCMap = null;\n      var start = new Uint8Array(MAX_NUM_SIZE);\n      var end = new Uint8Array(MAX_NUM_SIZE);\n      var char = new Uint8Array(MAX_NUM_SIZE);\n      var charCode = new Uint8Array(MAX_NUM_SIZE);\n      var tmp = new Uint8Array(MAX_NUM_SIZE);\n      var code;\n\n      var b;\n      while ((b = stream.readByte()) >= 0) {\n        var type = b >> 5;\n        if (type === 7) {\n          // metadata, e.g. comment or usecmap\n          switch (b & 0x1f) {\n            case 0:\n              stream.readString(); // skipping comment\n              break;\n            case 1:\n              useCMap = stream.readString();\n              break;\n          }\n          continue;\n        }\n        var sequence = !!(b & 0x10);\n        var dataSize = b & 15;\n\n        if (dataSize + 1 > MAX_NUM_SIZE) {\n          throw new Error(\"processBinaryCMap: Invalid dataSize.\");\n        }\n\n        var ucs2DataSize = 1;\n        var subitemsCount = stream.readNumber();\n        var i;\n        switch (type) {\n          case 0: // codespacerange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            cMap.addCodespaceRange(\n              dataSize + 1,\n              hexToInt(start, dataSize),\n              hexToInt(end, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              stream.readHexNumber(start, dataSize);\n              addHex(start, end, dataSize);\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              cMap.addCodespaceRange(\n                dataSize + 1,\n                hexToInt(start, dataSize),\n                hexToInt(end, dataSize)\n              );\n            }\n            break;\n          case 1: // notdefrange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            stream.readNumber(); // code\n            // undefined range, skipping\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              stream.readHexNumber(start, dataSize);\n              addHex(start, end, dataSize);\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              stream.readNumber(); // code\n              // nop\n            }\n            break;\n          case 2: // cidchar\n            stream.readHex(char, dataSize);\n            code = stream.readNumber();\n            cMap.mapOne(hexToInt(char, dataSize), code);\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(char, dataSize);\n              if (!sequence) {\n                stream.readHexNumber(tmp, dataSize);\n                addHex(char, tmp, dataSize);\n              }\n              code = stream.readSigned() + (code + 1);\n              cMap.mapOne(hexToInt(char, dataSize), code);\n            }\n            break;\n          case 3: // cidrange\n            stream.readHex(start, dataSize);\n            stream.readHexNumber(end, dataSize);\n            addHex(end, start, dataSize);\n            code = stream.readNumber();\n            cMap.mapCidRange(\n              hexToInt(start, dataSize),\n              hexToInt(end, dataSize),\n              code\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, dataSize);\n              if (!sequence) {\n                stream.readHexNumber(start, dataSize);\n                addHex(start, end, dataSize);\n              } else {\n                start.set(end);\n              }\n              stream.readHexNumber(end, dataSize);\n              addHex(end, start, dataSize);\n              code = stream.readNumber();\n              cMap.mapCidRange(\n                hexToInt(start, dataSize),\n                hexToInt(end, dataSize),\n                code\n              );\n            }\n            break;\n          case 4: // bfchar\n            stream.readHex(char, ucs2DataSize);\n            stream.readHex(charCode, dataSize);\n            cMap.mapOne(\n              hexToInt(char, ucs2DataSize),\n              hexToStr(charCode, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(char, ucs2DataSize);\n              if (!sequence) {\n                stream.readHexNumber(tmp, ucs2DataSize);\n                addHex(char, tmp, ucs2DataSize);\n              }\n              incHex(charCode, dataSize);\n              stream.readHexSigned(tmp, dataSize);\n              addHex(charCode, tmp, dataSize);\n              cMap.mapOne(\n                hexToInt(char, ucs2DataSize),\n                hexToStr(charCode, dataSize)\n              );\n            }\n            break;\n          case 5: // bfrange\n            stream.readHex(start, ucs2DataSize);\n            stream.readHexNumber(end, ucs2DataSize);\n            addHex(end, start, ucs2DataSize);\n            stream.readHex(charCode, dataSize);\n            cMap.mapBfRange(\n              hexToInt(start, ucs2DataSize),\n              hexToInt(end, ucs2DataSize),\n              hexToStr(charCode, dataSize)\n            );\n            for (i = 1; i < subitemsCount; i++) {\n              incHex(end, ucs2DataSize);\n              if (!sequence) {\n                stream.readHexNumber(start, ucs2DataSize);\n                addHex(start, end, ucs2DataSize);\n              } else {\n                start.set(end);\n              }\n              stream.readHexNumber(end, ucs2DataSize);\n              addHex(end, start, ucs2DataSize);\n              stream.readHex(charCode, dataSize);\n              cMap.mapBfRange(\n                hexToInt(start, ucs2DataSize),\n                hexToInt(end, ucs2DataSize),\n                hexToStr(charCode, dataSize)\n              );\n            }\n            break;\n          default:\n            reject(new Error(\"processBinaryCMap: Unknown type: \" + type));\n            return;\n        }\n      }\n\n      if (useCMap) {\n        resolve(extend(useCMap));\n        return;\n      }\n      resolve(cMap);\n    });\n  }\n\n  // eslint-disable-next-line no-shadow\n  function BinaryCMapReader() {}\n\n  BinaryCMapReader.prototype = {\n    process: processBinaryCMap,\n  };\n\n  return BinaryCMapReader;\n})();\n\nvar CMapFactory = (function CMapFactoryClosure() {\n  function strToInt(str) {\n    var a = 0;\n    for (var i = 0; i < str.length; i++) {\n      a = (a << 8) | str.charCodeAt(i);\n    }\n    return a >>> 0;\n  }\n\n  function expectString(obj) {\n    if (!isString(obj)) {\n      throw new FormatError(\"Malformed CMap: expected string.\");\n    }\n  }\n\n  function expectInt(obj) {\n    if (!Number.isInteger(obj)) {\n      throw new FormatError(\"Malformed CMap: expected int.\");\n    }\n  }\n\n  function parseBfChar(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endbfchar\")) {\n        return;\n      }\n      expectString(obj);\n      var src = strToInt(obj);\n      obj = lexer.getObj();\n      // TODO are /dstName used?\n      expectString(obj);\n      var dst = obj;\n      cMap.mapOne(src, dst);\n    }\n  }\n\n  function parseBfRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endbfrange\")) {\n        return;\n      }\n      expectString(obj);\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      expectString(obj);\n      var high = strToInt(obj);\n      obj = lexer.getObj();\n      if (Number.isInteger(obj) || isString(obj)) {\n        var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;\n        cMap.mapBfRange(low, high, dstLow);\n      } else if (isCmd(obj, \"[\")) {\n        obj = lexer.getObj();\n        var array = [];\n        while (!isCmd(obj, \"]\") && !isEOF(obj)) {\n          array.push(obj);\n          obj = lexer.getObj();\n        }\n        cMap.mapBfRangeToArray(low, high, array);\n      } else {\n        break;\n      }\n    }\n    throw new FormatError(\"Invalid bf range.\");\n  }\n\n  function parseCidChar(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcidchar\")) {\n        return;\n      }\n      expectString(obj);\n      var src = strToInt(obj);\n      obj = lexer.getObj();\n      expectInt(obj);\n      var dst = obj;\n      cMap.mapOne(src, dst);\n    }\n  }\n\n  function parseCidRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcidrange\")) {\n        return;\n      }\n      expectString(obj);\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      expectString(obj);\n      var high = strToInt(obj);\n      obj = lexer.getObj();\n      expectInt(obj);\n      var dstLow = obj;\n      cMap.mapCidRange(low, high, dstLow);\n    }\n  }\n\n  function parseCodespaceRange(cMap, lexer) {\n    while (true) {\n      var obj = lexer.getObj();\n      if (isEOF(obj)) {\n        break;\n      }\n      if (isCmd(obj, \"endcodespacerange\")) {\n        return;\n      }\n      if (!isString(obj)) {\n        break;\n      }\n      var low = strToInt(obj);\n      obj = lexer.getObj();\n      if (!isString(obj)) {\n        break;\n      }\n      var high = strToInt(obj);\n      cMap.addCodespaceRange(obj.length, low, high);\n    }\n    throw new FormatError(\"Invalid codespace range.\");\n  }\n\n  function parseWMode(cMap, lexer) {\n    var obj = lexer.getObj();\n    if (Number.isInteger(obj)) {\n      cMap.vertical = !!obj;\n    }\n  }\n\n  function parseCMapName(cMap, lexer) {\n    var obj = lexer.getObj();\n    if (isName(obj) && isString(obj.name)) {\n      cMap.name = obj.name;\n    }\n  }\n\n  function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {\n    var previous;\n    var embeddedUseCMap;\n    objLoop: while (true) {\n      try {\n        var obj = lexer.getObj();\n        if (isEOF(obj)) {\n          break;\n        } else if (isName(obj)) {\n          if (obj.name === \"WMode\") {\n            parseWMode(cMap, lexer);\n          } else if (obj.name === \"CMapName\") {\n            parseCMapName(cMap, lexer);\n          }\n          previous = obj;\n        } else if (isCmd(obj)) {\n          switch (obj.cmd) {\n            case \"endcmap\":\n              break objLoop;\n            case \"usecmap\":\n              if (isName(previous)) {\n                embeddedUseCMap = previous.name;\n              }\n              break;\n            case \"begincodespacerange\":\n              parseCodespaceRange(cMap, lexer);\n              break;\n            case \"beginbfchar\":\n              parseBfChar(cMap, lexer);\n              break;\n            case \"begincidchar\":\n              parseCidChar(cMap, lexer);\n              break;\n            case \"beginbfrange\":\n              parseBfRange(cMap, lexer);\n              break;\n            case \"begincidrange\":\n              parseCidRange(cMap, lexer);\n              break;\n          }\n        }\n      } catch (ex) {\n        if (ex instanceof MissingDataException) {\n          throw ex;\n        }\n        warn(\"Invalid cMap data: \" + ex);\n        continue;\n      }\n    }\n\n    if (!useCMap && embeddedUseCMap) {\n      // Load the useCMap definition from the file only if there wasn't one\n      // specified.\n      useCMap = embeddedUseCMap;\n    }\n    if (useCMap) {\n      return extendCMap(cMap, fetchBuiltInCMap, useCMap);\n    }\n    return Promise.resolve(cMap);\n  }\n\n  function extendCMap(cMap, fetchBuiltInCMap, useCMap) {\n    return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (\n      newCMap\n    ) {\n      cMap.useCMap = newCMap;\n      // If there aren't any code space ranges defined clone all the parent ones\n      // into this cMap.\n      if (cMap.numCodespaceRanges === 0) {\n        var useCodespaceRanges = cMap.useCMap.codespaceRanges;\n        for (var i = 0; i < useCodespaceRanges.length; i++) {\n          cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();\n        }\n        cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;\n      }\n      // Merge the map into the current one, making sure not to override\n      // any previously defined entries.\n      cMap.useCMap.forEach(function (key, value) {\n        if (!cMap.contains(key)) {\n          cMap.mapOne(key, cMap.useCMap.lookup(key));\n        }\n      });\n\n      return cMap;\n    });\n  }\n\n  function createBuiltInCMap(name, fetchBuiltInCMap) {\n    if (name === \"Identity-H\") {\n      return Promise.resolve(new IdentityCMap(false, 2));\n    } else if (name === \"Identity-V\") {\n      return Promise.resolve(new IdentityCMap(true, 2));\n    }\n    if (!BUILT_IN_CMAPS.includes(name)) {\n      return Promise.reject(new Error(\"Unknown CMap name: \" + name));\n    }\n    if (!fetchBuiltInCMap) {\n      return Promise.reject(\n        new Error(\"Built-in CMap parameters are not provided.\")\n      );\n    }\n\n    return fetchBuiltInCMap(name).then(function (data) {\n      var cMapData = data.cMapData,\n        compressionType = data.compressionType;\n      var cMap = new CMap(true);\n\n      if (compressionType === CMapCompressionType.BINARY) {\n        return new BinaryCMapReader().process(cMapData, cMap, function (\n          useCMap\n        ) {\n          return extendCMap(cMap, fetchBuiltInCMap, useCMap);\n        });\n      }\n      if (compressionType === CMapCompressionType.NONE) {\n        var lexer = new Lexer(new Stream(cMapData));\n        return parseCMap(cMap, lexer, fetchBuiltInCMap, null);\n      }\n      return Promise.reject(\n        new Error(\n          \"TODO: Only BINARY/NONE CMap compression is currently supported.\"\n        )\n      );\n    });\n  }\n\n  return {\n    async create(params) {\n      var encoding = params.encoding;\n      var fetchBuiltInCMap = params.fetchBuiltInCMap;\n      var useCMap = params.useCMap;\n\n      if (isName(encoding)) {\n        return createBuiltInCMap(encoding.name, fetchBuiltInCMap);\n      } else if (isStream(encoding)) {\n        var cMap = new CMap();\n        var lexer = new Lexer(encoding);\n        return parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (\n          parsedCMap\n        ) {\n          if (parsedCMap.isIdentityCMap) {\n            return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);\n          }\n          return parsedCMap;\n        });\n      }\n      throw new Error(\"Encoding required.\");\n    },\n  };\n})();\n\nexport { CMap, IdentityCMap, CMapFactory };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  bytesToString,\n  FONT_IDENTITY_MATRIX,\n  FontType,\n  FormatError,\n  info,\n  isNum,\n  shadow,\n  string32,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  CFF,\n  CFFCharset,\n  CFFCompiler,\n  CFFHeader,\n  CFFIndex,\n  CFFParser,\n  CFFPrivateDict,\n  CFFStandardStrings,\n  CFFStrings,\n  CFFTopDict,\n} from \"./cff_parser.js\";\nimport { getDingbatsGlyphsUnicode, getGlyphsUnicode } from \"./glyphlist.js\";\nimport {\n  getEncoding,\n  MacRomanEncoding,\n  StandardEncoding,\n  SymbolSetEncoding,\n  ZapfDingbatsEncoding,\n} from \"./encodings.js\";\nimport {\n  getGlyphMapForStandardFonts,\n  getNonStdFontMap,\n  getStdFontMap,\n  getSupplementalGlyphMapForArialBlack,\n  getSupplementalGlyphMapForCalibri,\n} from \"./standard_fonts.js\";\nimport {\n  getUnicodeForGlyph,\n  getUnicodeRangeFor,\n  mapSpecialUnicodeValues,\n} from \"./unicode.js\";\nimport {\n  isWhiteSpace,\n  MissingDataException,\n  readUint32,\n} from \"./core_utils.js\";\nimport { FontRendererFactory } from \"./font_renderer.js\";\nimport { IdentityCMap } from \"./cmap.js\";\nimport { Stream } from \"./stream.js\";\nimport { Type1Parser } from \"./type1_parser.js\";\n\n// Unicode Private Use Areas:\nconst PRIVATE_USE_AREAS = [\n  [0xe000, 0xf8ff], // BMP (0)\n  [0x100000, 0x10fffd], // PUP (16)\n];\n\n// PDF Glyph Space Units are one Thousandth of a TextSpace Unit\n// except for Type 3 fonts\nvar PDF_GLYPH_SPACE_UNITS = 1000;\n\n// Accented characters have issues on Windows and Linux. When this flag is\n// enabled glyphs that use seac and seac style endchar operators are truncated\n// and we instead just store the glyph id's of the base glyph and its accent to\n// be drawn individually.\n// Linux (freetype) requires that when a seac style endchar is used\n// that the charset must be a predefined one, however we build a\n// custom one. Windows just refuses to draw glyphs with seac operators.\nvar SEAC_ANALYSIS_ENABLED = true;\n\nconst EXPORT_DATA_PROPERTIES = [\n  \"ascent\",\n  \"bbox\",\n  \"black\",\n  \"bold\",\n  \"charProcOperatorList\",\n  \"composite\",\n  \"data\",\n  \"defaultVMetrics\",\n  \"defaultWidth\",\n  \"descent\",\n  \"fallbackName\",\n  \"fontMatrix\",\n  \"fontType\",\n  \"isMonospace\",\n  \"isSerifFont\",\n  \"isType3Font\",\n  \"italic\",\n  \"loadedName\",\n  \"mimetype\",\n  \"missingFile\",\n  \"name\",\n  \"remeasure\",\n  \"subtype\",\n  \"type\",\n  \"vertical\",\n];\n\nconst EXPORT_DATA_EXTRA_PROPERTIES = [\n  \"cMap\",\n  \"defaultEncoding\",\n  \"differences\",\n  \"isSymbolicFont\",\n  \"seacMap\",\n  \"toFontChar\",\n  \"toUnicode\",\n  \"vmetrics\",\n  \"widths\",\n];\n\nvar FontFlags = {\n  FixedPitch: 1,\n  Serif: 2,\n  Symbolic: 4,\n  Script: 8,\n  Nonsymbolic: 32,\n  Italic: 64,\n  AllCap: 65536,\n  SmallCap: 131072,\n  ForceBold: 262144,\n};\n\n// prettier-ignore\nvar MacStandardGlyphOrdering = [\n  \".notdef\", \".null\", \"nonmarkingreturn\", \"space\", \"exclam\", \"quotedbl\",\n  \"numbersign\", \"dollar\", \"percent\", \"ampersand\", \"quotesingle\", \"parenleft\",\n  \"parenright\", \"asterisk\", \"plus\", \"comma\", \"hyphen\", \"period\", \"slash\",\n  \"zero\", \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\",\n  \"nine\", \"colon\", \"semicolon\", \"less\", \"equal\", \"greater\", \"question\", \"at\",\n  \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\",\n  \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\",\n  \"backslash\", \"bracketright\", \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\",\n  \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\",\n  \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\",\n  \"asciitilde\", \"Adieresis\", \"Aring\", \"Ccedilla\", \"Eacute\", \"Ntilde\",\n  \"Odieresis\", \"Udieresis\", \"aacute\", \"agrave\", \"acircumflex\", \"adieresis\",\n  \"atilde\", \"aring\", \"ccedilla\", \"eacute\", \"egrave\", \"ecircumflex\", \"edieresis\",\n  \"iacute\", \"igrave\", \"icircumflex\", \"idieresis\", \"ntilde\", \"oacute\", \"ograve\",\n  \"ocircumflex\", \"odieresis\", \"otilde\", \"uacute\", \"ugrave\", \"ucircumflex\",\n  \"udieresis\", \"dagger\", \"degree\", \"cent\", \"sterling\", \"section\", \"bullet\",\n  \"paragraph\", \"germandbls\", \"registered\", \"copyright\", \"trademark\", \"acute\",\n  \"dieresis\", \"notequal\", \"AE\", \"Oslash\", \"infinity\", \"plusminus\", \"lessequal\",\n  \"greaterequal\", \"yen\", \"mu\", \"partialdiff\", \"summation\", \"product\", \"pi\",\n  \"integral\", \"ordfeminine\", \"ordmasculine\", \"Omega\", \"ae\", \"oslash\",\n  \"questiondown\", \"exclamdown\", \"logicalnot\", \"radical\", \"florin\",\n  \"approxequal\", \"Delta\", \"guillemotleft\", \"guillemotright\", \"ellipsis\",\n  \"nonbreakingspace\", \"Agrave\", \"Atilde\", \"Otilde\", \"OE\", \"oe\", \"endash\",\n  \"emdash\", \"quotedblleft\", \"quotedblright\", \"quoteleft\", \"quoteright\",\n  \"divide\", \"lozenge\", \"ydieresis\", \"Ydieresis\", \"fraction\", \"currency\",\n  \"guilsinglleft\", \"guilsinglright\", \"fi\", \"fl\", \"daggerdbl\", \"periodcentered\",\n  \"quotesinglbase\", \"quotedblbase\", \"perthousand\", \"Acircumflex\",\n  \"Ecircumflex\", \"Aacute\", \"Edieresis\", \"Egrave\", \"Iacute\", \"Icircumflex\",\n  \"Idieresis\", \"Igrave\", \"Oacute\", \"Ocircumflex\", \"apple\", \"Ograve\", \"Uacute\",\n  \"Ucircumflex\", \"Ugrave\", \"dotlessi\", \"circumflex\", \"tilde\", \"macron\",\n  \"breve\", \"dotaccent\", \"ring\", \"cedilla\", \"hungarumlaut\", \"ogonek\", \"caron\",\n  \"Lslash\", \"lslash\", \"Scaron\", \"scaron\", \"Zcaron\", \"zcaron\", \"brokenbar\",\n  \"Eth\", \"eth\", \"Yacute\", \"yacute\", \"Thorn\", \"thorn\", \"minus\", \"multiply\",\n  \"onesuperior\", \"twosuperior\", \"threesuperior\", \"onehalf\", \"onequarter\",\n  \"threequarters\", \"franc\", \"Gbreve\", \"gbreve\", \"Idotaccent\", \"Scedilla\",\n  \"scedilla\", \"Cacute\", \"cacute\", \"Ccaron\", \"ccaron\", \"dcroat\"];\n\nfunction adjustWidths(properties) {\n  if (!properties.fontMatrix) {\n    return;\n  }\n  if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) {\n    return;\n  }\n  // adjusting width to fontMatrix scale\n  var scale = 0.001 / properties.fontMatrix[0];\n  var glyphsWidths = properties.widths;\n  for (var glyph in glyphsWidths) {\n    glyphsWidths[glyph] *= scale;\n  }\n  properties.defaultWidth *= scale;\n}\n\nfunction adjustToUnicode(properties, builtInEncoding) {\n  if (properties.hasIncludedToUnicodeMap) {\n    return; // The font dictionary has a `ToUnicode` entry.\n  }\n  if (properties.hasEncoding) {\n    return; // The font dictionary has an `Encoding` entry.\n  }\n  if (builtInEncoding === properties.defaultEncoding) {\n    return; // No point in trying to adjust `toUnicode` if the encodings match.\n  }\n  if (properties.toUnicode instanceof IdentityToUnicodeMap) {\n    return;\n  }\n  var toUnicode = [],\n    glyphsUnicodeMap = getGlyphsUnicode();\n  for (var charCode in builtInEncoding) {\n    var glyphName = builtInEncoding[charCode];\n    var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n    if (unicode !== -1) {\n      toUnicode[charCode] = String.fromCharCode(unicode);\n    }\n  }\n  properties.toUnicode.amend(toUnicode);\n}\n\nfunction getFontType(type, subtype) {\n  switch (type) {\n    case \"Type1\":\n      return subtype === \"Type1C\" ? FontType.TYPE1C : FontType.TYPE1;\n    case \"CIDFontType0\":\n      return subtype === \"CIDFontType0C\"\n        ? FontType.CIDFONTTYPE0C\n        : FontType.CIDFONTTYPE0;\n    case \"OpenType\":\n      return FontType.OPENTYPE;\n    case \"TrueType\":\n      return FontType.TRUETYPE;\n    case \"CIDFontType2\":\n      return FontType.CIDFONTTYPE2;\n    case \"MMType1\":\n      return FontType.MMTYPE1;\n    case \"Type0\":\n      return FontType.TYPE0;\n    default:\n      return FontType.UNKNOWN;\n  }\n}\n\n// Some bad PDF generators, e.g. Scribus PDF, include glyph names\n// in a 'uniXXXX' format -- attempting to recover proper ones.\nfunction recoverGlyphName(name, glyphsUnicodeMap) {\n  if (glyphsUnicodeMap[name] !== undefined) {\n    return name;\n  }\n  // The glyph name is non-standard, trying to recover.\n  var unicode = getUnicodeForGlyph(name, glyphsUnicodeMap);\n  if (unicode !== -1) {\n    for (var key in glyphsUnicodeMap) {\n      if (glyphsUnicodeMap[key] === unicode) {\n        return key;\n      }\n    }\n  }\n  info(\"Unable to recover a standard glyph name for: \" + name);\n  return name;\n}\n\nvar Glyph = (function GlyphClosure() {\n  // eslint-disable-next-line no-shadow\n  function Glyph(\n    fontChar,\n    unicode,\n    accent,\n    width,\n    vmetric,\n    operatorListId,\n    isSpace,\n    isInFont\n  ) {\n    this.fontChar = fontChar;\n    this.unicode = unicode;\n    this.accent = accent;\n    this.width = width;\n    this.vmetric = vmetric;\n    this.operatorListId = operatorListId;\n    this.isSpace = isSpace;\n    this.isInFont = isInFont;\n  }\n\n  Glyph.prototype.matchesForCache = function (\n    fontChar,\n    unicode,\n    accent,\n    width,\n    vmetric,\n    operatorListId,\n    isSpace,\n    isInFont\n  ) {\n    return (\n      this.fontChar === fontChar &&\n      this.unicode === unicode &&\n      this.accent === accent &&\n      this.width === width &&\n      this.vmetric === vmetric &&\n      this.operatorListId === operatorListId &&\n      this.isSpace === isSpace &&\n      this.isInFont === isInFont\n    );\n  };\n\n  return Glyph;\n})();\n\nvar ToUnicodeMap = (function ToUnicodeMapClosure() {\n  // eslint-disable-next-line no-shadow\n  function ToUnicodeMap(cmap = []) {\n    // The elements of this._map can be integers or strings, depending on how\n    // `cmap` was created.\n    this._map = cmap;\n  }\n\n  ToUnicodeMap.prototype = {\n    get length() {\n      return this._map.length;\n    },\n\n    forEach(callback) {\n      for (var charCode in this._map) {\n        callback(charCode, this._map[charCode].charCodeAt(0));\n      }\n    },\n\n    has(i) {\n      return this._map[i] !== undefined;\n    },\n\n    get(i) {\n      return this._map[i];\n    },\n\n    charCodeOf(value) {\n      // `Array.prototype.indexOf` is *extremely* inefficient for arrays which\n      // are both very sparse and very large (see issue8372.pdf).\n      const map = this._map;\n      if (map.length <= 0x10000) {\n        return map.indexOf(value);\n      }\n      for (const charCode in map) {\n        if (map[charCode] === value) {\n          return charCode | 0;\n        }\n      }\n      return -1;\n    },\n\n    amend(map) {\n      for (var charCode in map) {\n        this._map[charCode] = map[charCode];\n      }\n    },\n  };\n\n  return ToUnicodeMap;\n})();\n\nvar IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() {\n  // eslint-disable-next-line no-shadow\n  function IdentityToUnicodeMap(firstChar, lastChar) {\n    this.firstChar = firstChar;\n    this.lastChar = lastChar;\n  }\n\n  IdentityToUnicodeMap.prototype = {\n    get length() {\n      return this.lastChar + 1 - this.firstChar;\n    },\n\n    forEach(callback) {\n      for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {\n        callback(i, i);\n      }\n    },\n\n    has(i) {\n      return this.firstChar <= i && i <= this.lastChar;\n    },\n\n    get(i) {\n      if (this.firstChar <= i && i <= this.lastChar) {\n        return String.fromCharCode(i);\n      }\n      return undefined;\n    },\n\n    charCodeOf(v) {\n      return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar\n        ? v\n        : -1;\n    },\n\n    amend(map) {\n      unreachable(\"Should not call amend()\");\n    },\n  };\n\n  return IdentityToUnicodeMap;\n})();\n\nvar OpenTypeFileBuilder = (function OpenTypeFileBuilderClosure() {\n  function writeInt16(dest, offset, num) {\n    dest[offset] = (num >> 8) & 0xff;\n    dest[offset + 1] = num & 0xff;\n  }\n\n  function writeInt32(dest, offset, num) {\n    dest[offset] = (num >> 24) & 0xff;\n    dest[offset + 1] = (num >> 16) & 0xff;\n    dest[offset + 2] = (num >> 8) & 0xff;\n    dest[offset + 3] = num & 0xff;\n  }\n\n  function writeData(dest, offset, data) {\n    var i, ii;\n    if (data instanceof Uint8Array) {\n      dest.set(data, offset);\n    } else if (typeof data === \"string\") {\n      for (i = 0, ii = data.length; i < ii; i++) {\n        dest[offset++] = data.charCodeAt(i) & 0xff;\n      }\n    } else {\n      // treating everything else as array\n      for (i = 0, ii = data.length; i < ii; i++) {\n        dest[offset++] = data[i] & 0xff;\n      }\n    }\n  }\n\n  // eslint-disable-next-line no-shadow\n  function OpenTypeFileBuilder(sfnt) {\n    this.sfnt = sfnt;\n    this.tables = Object.create(null);\n  }\n\n  OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(\n    entriesCount,\n    entrySize\n  ) {\n    var maxPower2 = 1,\n      log2 = 0;\n    while ((maxPower2 ^ entriesCount) > maxPower2) {\n      maxPower2 <<= 1;\n      log2++;\n    }\n    var searchRange = maxPower2 * entrySize;\n    return {\n      range: searchRange,\n      entry: log2,\n      rangeShift: entrySize * entriesCount - searchRange,\n    };\n  };\n\n  var OTF_HEADER_SIZE = 12;\n  var OTF_TABLE_ENTRY_SIZE = 16;\n\n  OpenTypeFileBuilder.prototype = {\n    toArray: function OpenTypeFileBuilder_toArray() {\n      var sfnt = this.sfnt;\n\n      // Tables needs to be written by ascendant alphabetic order\n      var tables = this.tables;\n      var tablesNames = Object.keys(tables);\n      tablesNames.sort();\n      var numTables = tablesNames.length;\n\n      var i, j, jj, table, tableName;\n      // layout the tables data\n      var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;\n      var tableOffsets = [offset];\n      for (i = 0; i < numTables; i++) {\n        table = tables[tablesNames[i]];\n        var paddedLength = ((table.length + 3) & ~3) >>> 0;\n        offset += paddedLength;\n        tableOffsets.push(offset);\n      }\n\n      var file = new Uint8Array(offset);\n      // write the table data first (mostly for checksum)\n      for (i = 0; i < numTables; i++) {\n        table = tables[tablesNames[i]];\n        writeData(file, tableOffsets[i], table);\n      }\n\n      // sfnt version (4 bytes)\n      if (sfnt === \"true\") {\n        // Windows hates the Mac TrueType sfnt version number\n        sfnt = string32(0x00010000);\n      }\n      file[0] = sfnt.charCodeAt(0) & 0xff;\n      file[1] = sfnt.charCodeAt(1) & 0xff;\n      file[2] = sfnt.charCodeAt(2) & 0xff;\n      file[3] = sfnt.charCodeAt(3) & 0xff;\n\n      // numTables (2 bytes)\n      writeInt16(file, 4, numTables);\n\n      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);\n\n      // searchRange (2 bytes)\n      writeInt16(file, 6, searchParams.range);\n      // entrySelector (2 bytes)\n      writeInt16(file, 8, searchParams.entry);\n      // rangeShift (2 bytes)\n      writeInt16(file, 10, searchParams.rangeShift);\n\n      offset = OTF_HEADER_SIZE;\n      // writing table entries\n      for (i = 0; i < numTables; i++) {\n        tableName = tablesNames[i];\n        file[offset] = tableName.charCodeAt(0) & 0xff;\n        file[offset + 1] = tableName.charCodeAt(1) & 0xff;\n        file[offset + 2] = tableName.charCodeAt(2) & 0xff;\n        file[offset + 3] = tableName.charCodeAt(3) & 0xff;\n\n        // checksum\n        var checksum = 0;\n        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {\n          var quad = readUint32(file, j);\n          checksum = (checksum + quad) >>> 0;\n        }\n        writeInt32(file, offset + 4, checksum);\n\n        // offset\n        writeInt32(file, offset + 8, tableOffsets[i]);\n        // length\n        writeInt32(file, offset + 12, tables[tableName].length);\n\n        offset += OTF_TABLE_ENTRY_SIZE;\n      }\n      return file;\n    },\n\n    addTable: function OpenTypeFileBuilder_addTable(tag, data) {\n      if (tag in this.tables) {\n        throw new Error(\"Table \" + tag + \" already exists\");\n      }\n      this.tables[tag] = data;\n    },\n  };\n\n  return OpenTypeFileBuilder;\n})();\n\n/**\n * 'Font' is the class the outside world should use, it encapsulate all the font\n * decoding logics whatever type it is (assuming the font type is supported).\n *\n * For example to read a Type1 font and to attach it to the document:\n *   var type1Font = new Font(\"MyFontName\", binaryFile, propertiesObject);\n *   type1Font.bind();\n */\nvar Font = (function FontClosure() {\n  // eslint-disable-next-line no-shadow\n  function Font(name, file, properties) {\n    var charCode;\n\n    this.name = name;\n    this.loadedName = properties.loadedName;\n    this.isType3Font = properties.isType3Font;\n    this.missingFile = false;\n\n    this.glyphCache = Object.create(null);\n\n    this.isSerifFont = !!(properties.flags & FontFlags.Serif);\n    this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n    this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);\n\n    var type = properties.type;\n    var subtype = properties.subtype;\n    this.type = type;\n    this.subtype = subtype;\n\n    let fallbackName = \"sans-serif\";\n    if (this.isMonospace) {\n      fallbackName = \"monospace\";\n    } else if (this.isSerifFont) {\n      fallbackName = \"serif\";\n    }\n    this.fallbackName = fallbackName;\n\n    this.differences = properties.differences;\n    this.widths = properties.widths;\n    this.defaultWidth = properties.defaultWidth;\n    this.composite = properties.composite;\n    this.cMap = properties.cMap;\n    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;\n    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;\n    this.fontMatrix = properties.fontMatrix;\n    this.bbox = properties.bbox;\n    this.defaultEncoding = properties.defaultEncoding;\n\n    this.toUnicode = properties.toUnicode;\n    this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();\n\n    this.toFontChar = [];\n\n    if (properties.type === \"Type3\") {\n      for (charCode = 0; charCode < 256; charCode++) {\n        this.toFontChar[charCode] =\n          this.differences[charCode] || properties.defaultEncoding[charCode];\n      }\n      this.fontType = FontType.TYPE3;\n      return;\n    }\n\n    this.cidEncoding = properties.cidEncoding;\n    this.vertical = !!properties.vertical;\n    if (this.vertical) {\n      this.vmetrics = properties.vmetrics;\n      this.defaultVMetrics = properties.defaultVMetrics;\n    }\n\n    if (!file || file.isEmpty) {\n      if (file) {\n        // Some bad PDF generators will include empty font files,\n        // attempting to recover by assuming that no file exists.\n        warn('Font file is empty in \"' + name + '\" (' + this.loadedName + \")\");\n      }\n      this.fallbackToSystemFont();\n      return;\n    }\n\n    // Parse the font file to determine the correct type/subtype, rather than\n    // relying on the (often incorrect) data in the font dictionary; (see e.g.\n    //  issue6782.pdf, issue7598.pdf, and issue9949.pdf).\n    [type, subtype] = getFontFileType(file, properties);\n\n    if (type !== this.type || subtype !== this.subtype) {\n      info(\n        \"Inconsistent font file Type/SubType, expected: \" +\n          `${this.type}/${this.subtype} but found: ${type}/${subtype}.`\n      );\n    }\n\n    try {\n      var data;\n      switch (type) {\n        case \"MMType1\":\n          info(\"MMType1 font (\" + name + \"), falling back to Type1.\");\n        /* falls through */\n        case \"Type1\":\n        case \"CIDFontType0\":\n          this.mimetype = \"font/opentype\";\n\n          var cff =\n            subtype === \"Type1C\" || subtype === \"CIDFontType0C\"\n              ? new CFFFont(file, properties)\n              : new Type1Font(name, file, properties);\n\n          adjustWidths(properties);\n\n          // Wrap the CFF data inside an OTF font file\n          data = this.convert(name, cff, properties);\n          break;\n\n        case \"OpenType\":\n        case \"TrueType\":\n        case \"CIDFontType2\":\n          this.mimetype = \"font/opentype\";\n\n          // Repair the TrueType file. It is can be damaged in the point of\n          // view of the sanitizer\n          data = this.checkAndRepair(name, file, properties);\n          if (this.isOpenType) {\n            adjustWidths(properties);\n\n            type = \"OpenType\";\n          }\n          break;\n\n        default:\n          throw new FormatError(`Font ${type} is not supported`);\n      }\n    } catch (e) {\n      warn(e);\n      this.fallbackToSystemFont();\n      return;\n    }\n\n    this.data = data;\n    this.fontType = getFontType(type, subtype);\n\n    // Transfer some properties again that could change during font conversion\n    this.fontMatrix = properties.fontMatrix;\n    this.widths = properties.widths;\n    this.defaultWidth = properties.defaultWidth;\n    this.toUnicode = properties.toUnicode;\n    this.seacMap = properties.seacMap;\n  }\n\n  function int16(b0, b1) {\n    return (b0 << 8) + b1;\n  }\n\n  function writeSignedInt16(bytes, index, value) {\n    bytes[index + 1] = value;\n    bytes[index] = value >>> 8;\n  }\n\n  function signedInt16(b0, b1) {\n    var value = (b0 << 8) + b1;\n    return value & (1 << 15) ? value - 0x10000 : value;\n  }\n\n  function int32(b0, b1, b2, b3) {\n    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;\n  }\n\n  function string16(value) {\n    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);\n  }\n\n  function safeString16(value) {\n    // clamp value to the 16-bit int range\n    if (value > 0x7fff) {\n      value = 0x7fff;\n    } else if (value < -0x8000) {\n      value = -0x8000;\n    }\n    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);\n  }\n\n  function isTrueTypeFile(file) {\n    var header = file.peekBytes(4);\n    return (\n      readUint32(header, 0) === 0x00010000 || bytesToString(header) === \"true\"\n    );\n  }\n\n  function isTrueTypeCollectionFile(file) {\n    const header = file.peekBytes(4);\n    return bytesToString(header) === \"ttcf\";\n  }\n\n  function isOpenTypeFile(file) {\n    var header = file.peekBytes(4);\n    return bytesToString(header) === \"OTTO\";\n  }\n\n  function isType1File(file) {\n    var header = file.peekBytes(2);\n    // All Type1 font programs must begin with the comment '%!' (0x25 + 0x21).\n    if (header[0] === 0x25 && header[1] === 0x21) {\n      return true;\n    }\n    // ... obviously some fonts violate that part of the specification,\n    // please refer to the comment in |Type1Font| below (pfb file header).\n    if (header[0] === 0x80 && header[1] === 0x01) {\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Compared to other font formats, the header in CFF files is not constant\n   * but contains version numbers. To reduce the possibility of misclassifying\n   * font files as CFF, it's recommended to check for other font formats first.\n   */\n  function isCFFFile(file) {\n    const header = file.peekBytes(4);\n    if (\n      /* major version, [1, 255] */ header[0] >= 1 &&\n      /* minor version, [0, 255]; header[1] */\n      /* header size, [0, 255]; header[2] */\n      /* offset(0) size, [1, 4] */ header[3] >= 1 &&\n      header[3] <= 4\n    ) {\n      return true;\n    }\n    return false;\n  }\n\n  function getFontFileType(file, { type, subtype, composite }) {\n    let fileType, fileSubtype;\n\n    if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType2\";\n      } else {\n        fileType = \"TrueType\";\n      }\n    } else if (isOpenTypeFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType2\";\n      } else {\n        fileType = \"OpenType\";\n      }\n    } else if (isType1File(file)) {\n      if (composite) {\n        fileType = \"CIDFontType0\";\n      } else {\n        fileType = type === \"MMType1\" ? \"MMType1\" : \"Type1\";\n      }\n    } else if (isCFFFile(file)) {\n      if (composite) {\n        fileType = \"CIDFontType0\";\n        fileSubtype = \"CIDFontType0C\";\n      } else {\n        fileType = type === \"MMType1\" ? \"MMType1\" : \"Type1\";\n        fileSubtype = \"Type1C\";\n      }\n    } else {\n      warn(\"getFontFileType: Unable to detect correct font file Type/Subtype.\");\n      fileType = type;\n      fileSubtype = subtype;\n    }\n\n    return [fileType, fileSubtype];\n  }\n\n  function buildToFontChar(encoding, glyphsUnicodeMap, differences) {\n    var toFontChar = [],\n      unicode;\n    for (var i = 0, ii = encoding.length; i < ii; i++) {\n      unicode = getUnicodeForGlyph(encoding[i], glyphsUnicodeMap);\n      if (unicode !== -1) {\n        toFontChar[i] = unicode;\n      }\n    }\n    for (var charCode in differences) {\n      unicode = getUnicodeForGlyph(differences[charCode], glyphsUnicodeMap);\n      if (unicode !== -1) {\n        toFontChar[+charCode] = unicode;\n      }\n    }\n    return toFontChar;\n  }\n\n  /**\n   * Rebuilds the char code to glyph ID map by moving all char codes to the\n   * private use area. This is done to avoid issues with various problematic\n   * unicode areas where either a glyph won't be drawn or is deformed by a\n   * shaper.\n   * @returns {Object} Two properties:\n   * 'toFontChar' - maps original char codes(the value that will be read\n   * from commands such as show text) to the char codes that will be used in the\n   * font that we build\n   * 'charCodeToGlyphId' - maps the new font char codes to glyph ids\n   */\n  function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {\n    var newMap = Object.create(null);\n    var toFontChar = [];\n    var privateUseAreaIndex = 0;\n    var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];\n    var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];\n    for (var originalCharCode in charCodeToGlyphId) {\n      originalCharCode |= 0;\n      var glyphId = charCodeToGlyphId[originalCharCode];\n      // For missing glyphs don't create the mappings so the glyph isn't\n      // drawn.\n      if (!hasGlyph(glyphId)) {\n        continue;\n      }\n      if (nextAvailableFontCharCode > privateUseOffetEnd) {\n        privateUseAreaIndex++;\n        if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {\n          warn(\"Ran out of space in font private use area.\");\n          break;\n        }\n        nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];\n        privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];\n      }\n      var fontCharCode = nextAvailableFontCharCode++;\n      if (glyphId === 0) {\n        glyphId = newGlyphZeroId;\n      }\n\n      newMap[fontCharCode] = glyphId;\n      toFontChar[originalCharCode] = fontCharCode;\n    }\n    return {\n      toFontChar,\n      charCodeToGlyphId: newMap,\n      nextAvailableFontCharCode,\n    };\n  }\n\n  function getRanges(glyphs, numGlyphs) {\n    // Array.sort() sorts by characters, not numerically, so convert to an\n    // array of characters.\n    var codes = [];\n    for (var charCode in glyphs) {\n      // Remove an invalid glyph ID mappings to make OTS happy.\n      if (glyphs[charCode] >= numGlyphs) {\n        continue;\n      }\n      codes.push({ fontCharCode: charCode | 0, glyphId: glyphs[charCode] });\n    }\n    // Some fonts have zero glyphs and are used only for text selection, but\n    // there needs to be at least one to build a valid cmap table.\n    if (codes.length === 0) {\n      codes.push({ fontCharCode: 0, glyphId: 0 });\n    }\n    codes.sort(function fontGetRangesSort(a, b) {\n      return a.fontCharCode - b.fontCharCode;\n    });\n\n    // Split the sorted codes into ranges.\n    var ranges = [];\n    var length = codes.length;\n    for (var n = 0; n < length; ) {\n      var start = codes[n].fontCharCode;\n      var codeIndices = [codes[n].glyphId];\n      ++n;\n      var end = start;\n      while (n < length && end + 1 === codes[n].fontCharCode) {\n        codeIndices.push(codes[n].glyphId);\n        ++end;\n        ++n;\n        if (end === 0xffff) {\n          break;\n        }\n      }\n      ranges.push([start, end, codeIndices]);\n    }\n\n    return ranges;\n  }\n\n  function createCmapTable(glyphs, numGlyphs) {\n    var ranges = getRanges(glyphs, numGlyphs);\n    var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;\n    var cmap =\n      \"\\x00\\x00\" + // version\n      string16(numTables) + // numTables\n      \"\\x00\\x03\" + // platformID\n      \"\\x00\\x01\" + // encodingID\n      string32(4 + numTables * 8); // start of the table record\n\n    var i, ii, j, jj;\n    for (i = ranges.length - 1; i >= 0; --i) {\n      if (ranges[i][0] <= 0xffff) {\n        break;\n      }\n    }\n    var bmpLength = i + 1;\n\n    if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {\n      ranges[i][1] = 0xfffe;\n    }\n    var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;\n    var segCount = bmpLength + trailingRangesCount;\n    var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);\n\n    // Fill up the 4 parallel arrays describing the segments.\n    var startCount = \"\";\n    var endCount = \"\";\n    var idDeltas = \"\";\n    var idRangeOffsets = \"\";\n    var glyphsIds = \"\";\n    var bias = 0;\n\n    var range, start, end, codes;\n    for (i = 0, ii = bmpLength; i < ii; i++) {\n      range = ranges[i];\n      start = range[0];\n      end = range[1];\n      startCount += string16(start);\n      endCount += string16(end);\n      codes = range[2];\n      var contiguous = true;\n      for (j = 1, jj = codes.length; j < jj; ++j) {\n        if (codes[j] !== codes[j - 1] + 1) {\n          contiguous = false;\n          break;\n        }\n      }\n      if (!contiguous) {\n        var offset = (segCount - i) * 2 + bias * 2;\n        bias += end - start + 1;\n\n        idDeltas += string16(0);\n        idRangeOffsets += string16(offset);\n\n        for (j = 0, jj = codes.length; j < jj; ++j) {\n          glyphsIds += string16(codes[j]);\n        }\n      } else {\n        var startCode = codes[0];\n\n        idDeltas += string16((startCode - start) & 0xffff);\n        idRangeOffsets += string16(0);\n      }\n    }\n\n    if (trailingRangesCount > 0) {\n      endCount += \"\\xFF\\xFF\";\n      startCount += \"\\xFF\\xFF\";\n      idDeltas += \"\\x00\\x01\";\n      idRangeOffsets += \"\\x00\\x00\";\n    }\n\n    var format314 =\n      \"\\x00\\x00\" + // language\n      string16(2 * segCount) +\n      string16(searchParams.range) +\n      string16(searchParams.entry) +\n      string16(searchParams.rangeShift) +\n      endCount +\n      \"\\x00\\x00\" +\n      startCount +\n      idDeltas +\n      idRangeOffsets +\n      glyphsIds;\n\n    var format31012 = \"\";\n    var header31012 = \"\";\n    if (numTables > 1) {\n      cmap +=\n        \"\\x00\\x03\" + // platformID\n        \"\\x00\\x0A\" + // encodingID\n        string32(4 + numTables * 8 + 4 + format314.length); // start of the table record\n      format31012 = \"\";\n      for (i = 0, ii = ranges.length; i < ii; i++) {\n        range = ranges[i];\n        start = range[0];\n        codes = range[2];\n        var code = codes[0];\n        for (j = 1, jj = codes.length; j < jj; ++j) {\n          if (codes[j] !== codes[j - 1] + 1) {\n            end = range[0] + j - 1;\n            format31012 +=\n              string32(start) + // startCharCode\n              string32(end) + // endCharCode\n              string32(code); // startGlyphID\n            start = end + 1;\n            code = codes[j];\n          }\n        }\n        format31012 +=\n          string32(start) + // startCharCode\n          string32(range[1]) + // endCharCode\n          string32(code); // startGlyphID\n      }\n      header31012 =\n        \"\\x00\\x0C\" + // format\n        \"\\x00\\x00\" + // reserved\n        string32(format31012.length + 16) + // length\n        \"\\x00\\x00\\x00\\x00\" + // language\n        string32(format31012.length / 12); // nGroups\n    }\n\n    return (\n      cmap +\n      \"\\x00\\x04\" + // format\n      string16(format314.length + 4) + // length\n      format314 +\n      header31012 +\n      format31012\n    );\n  }\n\n  function validateOS2Table(os2, file) {\n    file.pos = (file.start || 0) + os2.offset;\n    var version = file.getUint16();\n    // TODO verify all OS/2 tables fields, but currently we validate only those\n    // that give us issues\n    file.skip(60); // skipping type, misc sizes, panose, unicode ranges\n    var selection = file.getUint16();\n    if (version < 4 && selection & 0x0300) {\n      return false;\n    }\n    var firstChar = file.getUint16();\n    var lastChar = file.getUint16();\n    if (firstChar > lastChar) {\n      return false;\n    }\n    file.skip(6); // skipping sTypoAscender/Descender/LineGap\n    var usWinAscent = file.getUint16();\n    if (usWinAscent === 0) {\n      // makes font unreadable by windows\n      return false;\n    }\n\n    // OS/2 appears to be valid, resetting some fields\n    os2.data[8] = os2.data[9] = 0; // IE rejects fonts if fsType != 0\n    return true;\n  }\n\n  function createOS2Table(properties, charstrings, override) {\n    override = override || {\n      unitsPerEm: 0,\n      yMax: 0,\n      yMin: 0,\n      ascent: 0,\n      descent: 0,\n    };\n\n    var ulUnicodeRange1 = 0;\n    var ulUnicodeRange2 = 0;\n    var ulUnicodeRange3 = 0;\n    var ulUnicodeRange4 = 0;\n\n    var firstCharIndex = null;\n    var lastCharIndex = 0;\n\n    if (charstrings) {\n      for (var code in charstrings) {\n        code |= 0;\n        if (firstCharIndex > code || !firstCharIndex) {\n          firstCharIndex = code;\n        }\n        if (lastCharIndex < code) {\n          lastCharIndex = code;\n        }\n\n        var position = getUnicodeRangeFor(code);\n        if (position < 32) {\n          ulUnicodeRange1 |= 1 << position;\n        } else if (position < 64) {\n          ulUnicodeRange2 |= 1 << (position - 32);\n        } else if (position < 96) {\n          ulUnicodeRange3 |= 1 << (position - 64);\n        } else if (position < 123) {\n          ulUnicodeRange4 |= 1 << (position - 96);\n        } else {\n          throw new FormatError(\n            \"Unicode ranges Bits > 123 are reserved for internal usage\"\n          );\n        }\n      }\n      if (lastCharIndex > 0xffff) {\n        // OS2 only supports a 16 bit int. The spec says if supplementary\n        // characters are used the field should just be set to 0xFFFF.\n        lastCharIndex = 0xffff;\n      }\n    } else {\n      // TODO\n      firstCharIndex = 0;\n      lastCharIndex = 255;\n    }\n\n    var bbox = properties.bbox || [0, 0, 0, 0];\n    var unitsPerEm =\n      override.unitsPerEm ||\n      1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0];\n\n    // if the font units differ to the PDF glyph space units\n    // then scale up the values\n    var scale = properties.ascentScaled\n      ? 1.0\n      : unitsPerEm / PDF_GLYPH_SPACE_UNITS;\n\n    var typoAscent =\n      override.ascent || Math.round(scale * (properties.ascent || bbox[3]));\n    var typoDescent =\n      override.descent || Math.round(scale * (properties.descent || bbox[1]));\n    if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {\n      typoDescent = -typoDescent; // fixing incorrect descent\n    }\n    var winAscent = override.yMax || typoAscent;\n    var winDescent = -override.yMin || -typoDescent;\n\n    return (\n      \"\\x00\\x03\" + // version\n      \"\\x02\\x24\" + // xAvgCharWidth\n      \"\\x01\\xF4\" + // usWeightClass\n      \"\\x00\\x05\" + // usWidthClass\n      \"\\x00\\x00\" + // fstype (0 to let the font loads via font-face on IE)\n      \"\\x02\\x8A\" + // ySubscriptXSize\n      \"\\x02\\xBB\" + // ySubscriptYSize\n      \"\\x00\\x00\" + // ySubscriptXOffset\n      \"\\x00\\x8C\" + // ySubscriptYOffset\n      \"\\x02\\x8A\" + // ySuperScriptXSize\n      \"\\x02\\xBB\" + // ySuperScriptYSize\n      \"\\x00\\x00\" + // ySuperScriptXOffset\n      \"\\x01\\xDF\" + // ySuperScriptYOffset\n      \"\\x00\\x31\" + // yStrikeOutSize\n      \"\\x01\\x02\" + // yStrikeOutPosition\n      \"\\x00\\x00\" + // sFamilyClass\n      \"\\x00\\x00\\x06\" +\n      String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) +\n      \"\\x00\\x00\\x00\\x00\\x00\\x00\" + // Panose\n      string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31)\n      string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63)\n      string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95)\n      string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127)\n      \"\\x2A\\x32\\x31\\x2A\" + // achVendID\n      string16(properties.italicAngle ? 1 : 0) + // fsSelection\n      string16(firstCharIndex || properties.firstChar) + // usFirstCharIndex\n      string16(lastCharIndex || properties.lastChar) + // usLastCharIndex\n      string16(typoAscent) + // sTypoAscender\n      string16(typoDescent) + // sTypoDescender\n      \"\\x00\\x64\" + // sTypoLineGap (7%-10% of the unitsPerEM value)\n      string16(winAscent) + // usWinAscent\n      string16(winDescent) + // usWinDescent\n      \"\\x00\\x00\\x00\\x00\" + // ulCodePageRange1 (Bits 0-31)\n      \"\\x00\\x00\\x00\\x00\" + // ulCodePageRange2 (Bits 32-63)\n      string16(properties.xHeight) + // sxHeight\n      string16(properties.capHeight) + // sCapHeight\n      string16(0) + // usDefaultChar\n      string16(firstCharIndex || properties.firstChar) + // usBreakChar\n      \"\\x00\\x03\"\n    ); // usMaxContext\n  }\n\n  function createPostTable(properties) {\n    var angle = Math.floor(properties.italicAngle * 2 ** 16);\n    return (\n      \"\\x00\\x03\\x00\\x00\" + // Version number\n      string32(angle) + // italicAngle\n      \"\\x00\\x00\" + // underlinePosition\n      \"\\x00\\x00\" + // underlineThickness\n      string32(properties.fixedPitch) + // isFixedPitch\n      \"\\x00\\x00\\x00\\x00\" + // minMemType42\n      \"\\x00\\x00\\x00\\x00\" + // maxMemType42\n      \"\\x00\\x00\\x00\\x00\" + // minMemType1\n      \"\\x00\\x00\\x00\\x00\"\n    ); // maxMemType1\n  }\n\n  function createNameTable(name, proto) {\n    if (!proto) {\n      proto = [[], []]; // no strings and unicode strings\n    }\n\n    var strings = [\n      proto[0][0] || \"Original licence\", // 0.Copyright\n      proto[0][1] || name, // 1.Font family\n      proto[0][2] || \"Unknown\", // 2.Font subfamily (font weight)\n      proto[0][3] || \"uniqueID\", // 3.Unique ID\n      proto[0][4] || name, // 4.Full font name\n      proto[0][5] || \"Version 0.11\", // 5.Version\n      proto[0][6] || \"\", // 6.Postscript name\n      proto[0][7] || \"Unknown\", // 7.Trademark\n      proto[0][8] || \"Unknown\", // 8.Manufacturer\n      proto[0][9] || \"Unknown\", // 9.Designer\n    ];\n\n    // Mac want 1-byte per character strings while Windows want\n    // 2-bytes per character, so duplicate the names table\n    var stringsUnicode = [];\n    var i, ii, j, jj, str;\n    for (i = 0, ii = strings.length; i < ii; i++) {\n      str = proto[1][i] || strings[i];\n\n      var strBufUnicode = [];\n      for (j = 0, jj = str.length; j < jj; j++) {\n        strBufUnicode.push(string16(str.charCodeAt(j)));\n      }\n      stringsUnicode.push(strBufUnicode.join(\"\"));\n    }\n\n    var names = [strings, stringsUnicode];\n    var platforms = [\"\\x00\\x01\", \"\\x00\\x03\"];\n    var encodings = [\"\\x00\\x00\", \"\\x00\\x01\"];\n    var languages = [\"\\x00\\x00\", \"\\x04\\x09\"];\n\n    var namesRecordCount = strings.length * platforms.length;\n    var nameTable =\n      \"\\x00\\x00\" + // format\n      string16(namesRecordCount) + // Number of names Record\n      string16(namesRecordCount * 12 + 6); // Storage\n\n    // Build the name records field\n    var strOffset = 0;\n    for (i = 0, ii = platforms.length; i < ii; i++) {\n      var strs = names[i];\n      for (j = 0, jj = strs.length; j < jj; j++) {\n        str = strs[j];\n        var nameRecord =\n          platforms[i] + // platform ID\n          encodings[i] + // encoding ID\n          languages[i] + // language ID\n          string16(j) + // name ID\n          string16(str.length) +\n          string16(strOffset);\n        nameTable += nameRecord;\n        strOffset += str.length;\n      }\n    }\n\n    nameTable += strings.join(\"\") + stringsUnicode.join(\"\");\n    return nameTable;\n  }\n\n  Font.prototype = {\n    name: null,\n    font: null,\n    mimetype: null,\n    disableFontFace: false,\n\n    get renderer() {\n      var renderer = FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);\n      return shadow(this, \"renderer\", renderer);\n    },\n\n    exportData(extraProperties = false) {\n      const exportDataProperties = extraProperties\n        ? [...EXPORT_DATA_PROPERTIES, ...EXPORT_DATA_EXTRA_PROPERTIES]\n        : EXPORT_DATA_PROPERTIES;\n\n      const data = Object.create(null);\n      let property, value;\n      for (property of exportDataProperties) {\n        value = this[property];\n        // Ignore properties that haven't been explicitly set.\n        if (value !== undefined) {\n          data[property] = value;\n        }\n      }\n      return data;\n    },\n\n    fallbackToSystemFont: function Font_fallbackToSystemFont() {\n      this.missingFile = true;\n      // The file data is not specified. Trying to fix the font name\n      // to be used with the canvas.font.\n      var name = this.name;\n      var type = this.type;\n      var subtype = this.subtype;\n      let fontName = name.replace(/[,_]/g, \"-\").replace(/\\s/g, \"\");\n      var stdFontMap = getStdFontMap(),\n        nonStdFontMap = getNonStdFontMap();\n      var isStandardFont =\n        !!stdFontMap[fontName] ||\n        !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);\n      fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;\n\n      this.bold = fontName.search(/bold/gi) !== -1;\n      this.italic =\n        fontName.search(/oblique/gi) !== -1 ||\n        fontName.search(/italic/gi) !== -1;\n\n      // Use 'name' instead of 'fontName' here because the original\n      // name ArialBlack for example will be replaced by Helvetica.\n      this.black = name.search(/Black/g) !== -1;\n\n      // if at least one width is present, remeasure all chars when exists\n      this.remeasure = Object.keys(this.widths).length > 0;\n      if (\n        isStandardFont &&\n        type === \"CIDFontType2\" &&\n        this.cidEncoding.startsWith(\"Identity-\")\n      ) {\n        const GlyphMapForStandardFonts = getGlyphMapForStandardFonts();\n        // Standard fonts might be embedded as CID font without glyph mapping.\n        // Building one based on GlyphMapForStandardFonts.\n        const map = [];\n        for (const charCode in GlyphMapForStandardFonts) {\n          map[+charCode] = GlyphMapForStandardFonts[charCode];\n        }\n        if (/Arial-?Black/i.test(name)) {\n          var SupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack();\n          for (const charCode in SupplementalGlyphMapForArialBlack) {\n            map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];\n          }\n        } else if (/Calibri/i.test(name)) {\n          const SupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri();\n          for (const charCode in SupplementalGlyphMapForCalibri) {\n            map[+charCode] = SupplementalGlyphMapForCalibri[charCode];\n          }\n        }\n\n        var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;\n        if (!isIdentityUnicode) {\n          this.toUnicode.forEach(function (charCode, unicodeCharCode) {\n            map[+charCode] = unicodeCharCode;\n          });\n        }\n        this.toFontChar = map;\n        this.toUnicode = new ToUnicodeMap(map);\n      } else if (/Symbol/i.test(fontName)) {\n        this.toFontChar = buildToFontChar(\n          SymbolSetEncoding,\n          getGlyphsUnicode(),\n          this.differences\n        );\n      } else if (/Dingbats/i.test(fontName)) {\n        if (/Wingdings/i.test(name)) {\n          warn(\"Non-embedded Wingdings font, falling back to ZapfDingbats.\");\n        }\n        this.toFontChar = buildToFontChar(\n          ZapfDingbatsEncoding,\n          getDingbatsGlyphsUnicode(),\n          this.differences\n        );\n      } else if (isStandardFont) {\n        this.toFontChar = buildToFontChar(\n          this.defaultEncoding,\n          getGlyphsUnicode(),\n          this.differences\n        );\n      } else {\n        const glyphsUnicodeMap = getGlyphsUnicode();\n        const map = [];\n        this.toUnicode.forEach((charCode, unicodeCharCode) => {\n          if (!this.composite) {\n            var glyphName =\n              this.differences[charCode] || this.defaultEncoding[charCode];\n            const unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap);\n            if (unicode !== -1) {\n              unicodeCharCode = unicode;\n            }\n          }\n          map[+charCode] = unicodeCharCode;\n        });\n\n        // Attempt to improve the glyph mapping for (some) composite fonts that\n        // appear to lack meaningful ToUnicode data.\n        if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {\n          if (/Verdana/i.test(name)) {\n            // Fixes issue11242_reduced.pdf\n            const GlyphMapForStandardFonts = getGlyphMapForStandardFonts();\n            for (const charCode in GlyphMapForStandardFonts) {\n              map[+charCode] = GlyphMapForStandardFonts[charCode];\n            }\n          }\n        }\n        this.toFontChar = map;\n      }\n      this.loadedName = fontName.split(\"-\")[0];\n      this.fontType = getFontType(type, subtype);\n    },\n\n    checkAndRepair: function Font_checkAndRepair(name, font, properties) {\n      const VALID_TABLES = [\n        \"OS/2\",\n        \"cmap\",\n        \"head\",\n        \"hhea\",\n        \"hmtx\",\n        \"maxp\",\n        \"name\",\n        \"post\",\n        \"loca\",\n        \"glyf\",\n        \"fpgm\",\n        \"prep\",\n        \"cvt \",\n        \"CFF \",\n      ];\n\n      function readTables(file, numTables) {\n        const tables = Object.create(null);\n        tables[\"OS/2\"] = null;\n        tables.cmap = null;\n        tables.head = null;\n        tables.hhea = null;\n        tables.hmtx = null;\n        tables.maxp = null;\n        tables.name = null;\n        tables.post = null;\n\n        for (let i = 0; i < numTables; i++) {\n          const table = readTableEntry(file);\n          if (!VALID_TABLES.includes(table.tag)) {\n            continue; // skipping table if it's not a required or optional table\n          }\n          if (table.length === 0) {\n            continue; // skipping empty tables\n          }\n          tables[table.tag] = table;\n        }\n        return tables;\n      }\n\n      function readTableEntry(file) {\n        var tag = bytesToString(file.getBytes(4));\n\n        var checksum = file.getInt32() >>> 0;\n        var offset = file.getInt32() >>> 0;\n        var length = file.getInt32() >>> 0;\n\n        // Read the table associated data\n        var previousPosition = file.pos;\n        file.pos = file.start ? file.start : 0;\n        file.skip(offset);\n        var data = file.getBytes(length);\n        file.pos = previousPosition;\n\n        if (tag === \"head\") {\n          // clearing checksum adjustment\n          data[8] = data[9] = data[10] = data[11] = 0;\n          data[17] |= 0x20; // Set font optimized for cleartype flag.\n        }\n\n        return {\n          tag,\n          checksum,\n          length,\n          offset,\n          data,\n        };\n      }\n\n      function readOpenTypeHeader(ttf) {\n        return {\n          version: bytesToString(ttf.getBytes(4)),\n          numTables: ttf.getUint16(),\n          searchRange: ttf.getUint16(),\n          entrySelector: ttf.getUint16(),\n          rangeShift: ttf.getUint16(),\n        };\n      }\n\n      function readTrueTypeCollectionHeader(ttc) {\n        const ttcTag = bytesToString(ttc.getBytes(4));\n        assert(ttcTag === \"ttcf\", \"Must be a TrueType Collection font.\");\n\n        const majorVersion = ttc.getUint16();\n        const minorVersion = ttc.getUint16();\n        const numFonts = ttc.getInt32() >>> 0;\n        const offsetTable = [];\n        for (let i = 0; i < numFonts; i++) {\n          offsetTable.push(ttc.getInt32() >>> 0);\n        }\n\n        const header = {\n          ttcTag,\n          majorVersion,\n          minorVersion,\n          numFonts,\n          offsetTable,\n        };\n        switch (majorVersion) {\n          case 1:\n            return header;\n          case 2:\n            header.dsigTag = ttc.getInt32() >>> 0;\n            header.dsigLength = ttc.getInt32() >>> 0;\n            header.dsigOffset = ttc.getInt32() >>> 0;\n            return header;\n        }\n        throw new FormatError(\n          `Invalid TrueType Collection majorVersion: ${majorVersion}.`\n        );\n      }\n\n      function readTrueTypeCollectionData(ttc, fontName) {\n        const { numFonts, offsetTable } = readTrueTypeCollectionHeader(ttc);\n\n        for (let i = 0; i < numFonts; i++) {\n          ttc.pos = (ttc.start || 0) + offsetTable[i];\n          const potentialHeader = readOpenTypeHeader(ttc);\n          const potentialTables = readTables(ttc, potentialHeader.numTables);\n\n          if (!potentialTables.name) {\n            throw new FormatError(\n              'TrueType Collection font must contain a \"name\" table.'\n            );\n          }\n          const nameTable = readNameTable(potentialTables.name);\n\n          for (let j = 0, jj = nameTable.length; j < jj; j++) {\n            for (let k = 0, kk = nameTable[j].length; k < kk; k++) {\n              const nameEntry = nameTable[j][k];\n              if (nameEntry && nameEntry.replace(/\\s/g, \"\") === fontName) {\n                return {\n                  header: potentialHeader,\n                  tables: potentialTables,\n                };\n              }\n            }\n          }\n        }\n        throw new FormatError(\n          `TrueType Collection does not contain \"${fontName}\" font.`\n        );\n      }\n\n      /**\n       * Read the appropriate subtable from the cmap according to 9.6.6.4 from\n       * PDF spec\n       */\n      function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {\n        if (!cmap) {\n          warn(\"No cmap table available.\");\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n        var segment;\n        var start = (file.start ? file.start : 0) + cmap.offset;\n        file.pos = start;\n\n        file.skip(2); // version\n        var numTables = file.getUint16();\n\n        var potentialTable;\n        var canBreak = false;\n        // There's an order of preference in terms of which cmap subtable to\n        // use:\n        // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table\n        // - symbolic fonts the preference is a 3,0 table then a 1,0 table\n        // The following takes advantage of the fact that the tables are sorted\n        // to work.\n        for (var i = 0; i < numTables; i++) {\n          var platformId = file.getUint16();\n          var encodingId = file.getUint16();\n          var offset = file.getInt32() >>> 0;\n          var useTable = false;\n\n          // Sometimes there are multiple of the same type of table. Default\n          // to choosing the first table and skip the rest.\n          if (\n            potentialTable &&\n            potentialTable.platformId === platformId &&\n            potentialTable.encodingId === encodingId\n          ) {\n            continue;\n          }\n\n          if (\n            platformId === 0 &&\n            (encodingId === /* Unicode Default */ 0 ||\n              encodingId === /* Unicode 1.1 */ 1 ||\n              encodingId === /* Unicode BMP */ 3)\n          ) {\n            useTable = true;\n            // Continue the loop since there still may be a higher priority\n            // table.\n          } else if (platformId === 1 && encodingId === 0) {\n            useTable = true;\n            // Continue the loop since there still may be a higher priority\n            // table.\n          } else if (\n            platformId === 3 &&\n            encodingId === 1 &&\n            (hasEncoding || !potentialTable)\n          ) {\n            useTable = true;\n            if (!isSymbolicFont) {\n              canBreak = true;\n            }\n          } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {\n            useTable = true;\n            canBreak = true;\n          }\n\n          if (useTable) {\n            potentialTable = {\n              platformId,\n              encodingId,\n              offset,\n            };\n          }\n          if (canBreak) {\n            break;\n          }\n        }\n\n        if (potentialTable) {\n          file.pos = start + potentialTable.offset;\n        }\n        if (!potentialTable || file.peekByte() === -1) {\n          warn(\"Could not find a preferred cmap table.\");\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n\n        var format = file.getUint16();\n        file.skip(2 + 2); // length + language\n\n        var hasShortCmap = false;\n        var mappings = [];\n        var j, glyphId;\n\n        // TODO(mack): refactor this cmap subtable reading logic out\n        if (format === 0) {\n          for (j = 0; j < 256; j++) {\n            var index = file.getByte();\n            if (!index) {\n              continue;\n            }\n            mappings.push({\n              charCode: j,\n              glyphId: index,\n            });\n          }\n          hasShortCmap = true;\n        } else if (format === 4) {\n          // re-creating the table in format 4 since the encoding\n          // might be changed\n          var segCount = file.getUint16() >> 1;\n          file.skip(6); // skipping range fields\n          var segIndex,\n            segments = [];\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments.push({ end: file.getUint16() });\n          }\n          file.skip(2);\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments[segIndex].start = file.getUint16();\n          }\n\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segments[segIndex].delta = file.getUint16();\n          }\n\n          var offsetsCount = 0;\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segment = segments[segIndex];\n            var rangeOffset = file.getUint16();\n            if (!rangeOffset) {\n              segment.offsetIndex = -1;\n              continue;\n            }\n\n            var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);\n            segment.offsetIndex = offsetIndex;\n            offsetsCount = Math.max(\n              offsetsCount,\n              offsetIndex + segment.end - segment.start + 1\n            );\n          }\n\n          var offsets = [];\n          for (j = 0; j < offsetsCount; j++) {\n            offsets.push(file.getUint16());\n          }\n\n          for (segIndex = 0; segIndex < segCount; segIndex++) {\n            segment = segments[segIndex];\n            start = segment.start;\n            var end = segment.end;\n            var delta = segment.delta;\n            offsetIndex = segment.offsetIndex;\n\n            for (j = start; j <= end; j++) {\n              if (j === 0xffff) {\n                continue;\n              }\n\n              glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];\n              glyphId = (glyphId + delta) & 0xffff;\n              mappings.push({\n                charCode: j,\n                glyphId,\n              });\n            }\n          }\n        } else if (format === 6) {\n          // Format 6 is a 2-bytes dense mapping, which means the font data\n          // lives glue together even if they are pretty far in the unicode\n          // table. (This looks weird, so I can have missed something), this\n          // works on Linux but seems to fails on Mac so let's rewrite the\n          // cmap table to a 3-1-4 style\n          var firstCode = file.getUint16();\n          var entryCount = file.getUint16();\n\n          for (j = 0; j < entryCount; j++) {\n            glyphId = file.getUint16();\n            var charCode = firstCode + j;\n\n            mappings.push({\n              charCode,\n              glyphId,\n            });\n          }\n        } else {\n          warn(\"cmap table has unsupported format: \" + format);\n          return {\n            platformId: -1,\n            encodingId: -1,\n            mappings: [],\n            hasShortCmap: false,\n          };\n        }\n\n        // removing duplicate entries\n        mappings.sort(function (a, b) {\n          return a.charCode - b.charCode;\n        });\n        for (i = 1; i < mappings.length; i++) {\n          if (mappings[i - 1].charCode === mappings[i].charCode) {\n            mappings.splice(i, 1);\n            i--;\n          }\n        }\n\n        return {\n          platformId: potentialTable.platformId,\n          encodingId: potentialTable.encodingId,\n          mappings,\n          hasShortCmap,\n        };\n      }\n\n      function sanitizeMetrics(\n        file,\n        header,\n        metrics,\n        numGlyphs,\n        dupFirstEntry\n      ) {\n        if (!header) {\n          if (metrics) {\n            metrics.data = null;\n          }\n          return;\n        }\n\n        file.pos = (file.start ? file.start : 0) + header.offset;\n        file.pos += 4; // version\n        file.pos += 2; // ascent\n        file.pos += 2; // descent\n        file.pos += 2; // linegap\n        file.pos += 2; // adv_width_max\n        file.pos += 2; // min_sb1\n        file.pos += 2; // min_sb2\n        file.pos += 2; // max_extent\n        file.pos += 2; // caret_slope_rise\n        file.pos += 2; // caret_slope_run\n        file.pos += 2; // caret_offset\n        file.pos += 8; // reserved\n        file.pos += 2; // format\n        var numOfMetrics = file.getUint16();\n\n        if (numOfMetrics > numGlyphs) {\n          info(\n            \"The numOfMetrics (\" +\n              numOfMetrics +\n              \") should not be \" +\n              \"greater than the numGlyphs (\" +\n              numGlyphs +\n              \")\"\n          );\n          // Reduce numOfMetrics if it is greater than numGlyphs\n          numOfMetrics = numGlyphs;\n          header.data[34] = (numOfMetrics & 0xff00) >> 8;\n          header.data[35] = numOfMetrics & 0x00ff;\n        }\n\n        var numOfSidebearings = numGlyphs - numOfMetrics;\n        var numMissing =\n          numOfSidebearings - ((metrics.length - numOfMetrics * 4) >> 1);\n\n        if (numMissing > 0) {\n          // For each missing glyph, we set both the width and lsb to 0 (zero).\n          // Since we need to add two properties for each glyph, this explains\n          // the use of |numMissing * 2| when initializing the typed array.\n          var entries = new Uint8Array(metrics.length + numMissing * 2);\n          entries.set(metrics.data);\n          if (dupFirstEntry) {\n            // Set the sidebearing value of the duplicated glyph.\n            entries[metrics.length] = metrics.data[2];\n            entries[metrics.length + 1] = metrics.data[3];\n          }\n          metrics.data = entries;\n        }\n      }\n\n      function sanitizeGlyph(\n        source,\n        sourceStart,\n        sourceEnd,\n        dest,\n        destStart,\n        hintsValid\n      ) {\n        var glyphProfile = {\n          length: 0,\n          sizeOfInstructions: 0,\n        };\n        if (sourceEnd - sourceStart <= 12) {\n          // glyph with data less than 12 is invalid one\n          return glyphProfile;\n        }\n        var glyf = source.subarray(sourceStart, sourceEnd);\n        var contoursCount = signedInt16(glyf[0], glyf[1]);\n        if (contoursCount < 0) {\n          // OTS doesn't like contour count to be less than -1.\n          contoursCount = -1;\n          writeSignedInt16(glyf, 0, contoursCount);\n          // complex glyph, writing as is\n          dest.set(glyf, destStart);\n          glyphProfile.length = glyf.length;\n          return glyphProfile;\n        }\n\n        var i,\n          j = 10,\n          flagsCount = 0;\n        for (i = 0; i < contoursCount; i++) {\n          var endPoint = (glyf[j] << 8) | glyf[j + 1];\n          flagsCount = endPoint + 1;\n          j += 2;\n        }\n        // skipping instructions\n        var instructionsStart = j;\n        var instructionsLength = (glyf[j] << 8) | glyf[j + 1];\n        glyphProfile.sizeOfInstructions = instructionsLength;\n        j += 2 + instructionsLength;\n        var instructionsEnd = j;\n        // validating flags\n        var coordinatesLength = 0;\n        for (i = 0; i < flagsCount; i++) {\n          var flag = glyf[j++];\n          if (flag & 0xc0) {\n            // reserved flags must be zero, cleaning up\n            glyf[j - 1] = flag & 0x3f;\n          }\n          let xLength = 2;\n          if (flag & 2) {\n            xLength = 1;\n          } else if (flag & 16) {\n            xLength = 0;\n          }\n          let yLength = 2;\n          if (flag & 4) {\n            yLength = 1;\n          } else if (flag & 32) {\n            yLength = 0;\n          }\n          const xyLength = xLength + yLength;\n          coordinatesLength += xyLength;\n          if (flag & 8) {\n            var repeat = glyf[j++];\n            i += repeat;\n            coordinatesLength += repeat * xyLength;\n          }\n        }\n        // glyph without coordinates will be rejected\n        if (coordinatesLength === 0) {\n          return glyphProfile;\n        }\n        var glyphDataLength = j + coordinatesLength;\n        if (glyphDataLength > glyf.length) {\n          // not enough data for coordinates\n          return glyphProfile;\n        }\n        if (!hintsValid && instructionsLength > 0) {\n          dest.set(glyf.subarray(0, instructionsStart), destStart);\n          dest.set([0, 0], destStart + instructionsStart);\n          dest.set(\n            glyf.subarray(instructionsEnd, glyphDataLength),\n            destStart + instructionsStart + 2\n          );\n          glyphDataLength -= instructionsLength;\n          if (glyf.length - glyphDataLength > 3) {\n            glyphDataLength = (glyphDataLength + 3) & ~3;\n          }\n          glyphProfile.length = glyphDataLength;\n          return glyphProfile;\n        }\n        if (glyf.length - glyphDataLength > 3) {\n          // truncating and aligning to 4 bytes the long glyph data\n          glyphDataLength = (glyphDataLength + 3) & ~3;\n          dest.set(glyf.subarray(0, glyphDataLength), destStart);\n          glyphProfile.length = glyphDataLength;\n          return glyphProfile;\n        }\n        // glyph data is fine\n        dest.set(glyf, destStart);\n        glyphProfile.length = glyf.length;\n        return glyphProfile;\n      }\n\n      function sanitizeHead(head, numGlyphs, locaLength) {\n        var data = head.data;\n\n        // Validate version:\n        // Should always be 0x00010000\n        var version = int32(data[0], data[1], data[2], data[3]);\n        if (version >> 16 !== 1) {\n          info(\"Attempting to fix invalid version in head table: \" + version);\n          data[0] = 0;\n          data[1] = 1;\n          data[2] = 0;\n          data[3] = 0;\n        }\n\n        var indexToLocFormat = int16(data[50], data[51]);\n        if (indexToLocFormat < 0 || indexToLocFormat > 1) {\n          info(\n            \"Attempting to fix invalid indexToLocFormat in head table: \" +\n              indexToLocFormat\n          );\n\n          // The value of indexToLocFormat should be 0 if the loca table\n          // consists of short offsets, and should be 1 if the loca table\n          // consists of long offsets.\n          //\n          // The number of entries in the loca table should be numGlyphs + 1.\n          //\n          // Using this information, we can work backwards to deduce if the\n          // size of each offset in the loca table, and thus figure out the\n          // appropriate value for indexToLocFormat.\n\n          var numGlyphsPlusOne = numGlyphs + 1;\n          if (locaLength === numGlyphsPlusOne << 1) {\n            // 0x0000 indicates the loca table consists of short offsets\n            data[50] = 0;\n            data[51] = 0;\n          } else if (locaLength === numGlyphsPlusOne << 2) {\n            // 0x0001 indicates the loca table consists of long offsets\n            data[50] = 0;\n            data[51] = 1;\n          } else {\n            throw new FormatError(\n              \"Could not fix indexToLocFormat: \" + indexToLocFormat\n            );\n          }\n        }\n      }\n\n      function sanitizeGlyphLocations(\n        loca,\n        glyf,\n        numGlyphs,\n        isGlyphLocationsLong,\n        hintsValid,\n        dupFirstEntry,\n        maxSizeOfInstructions\n      ) {\n        var itemSize, itemDecode, itemEncode;\n        if (isGlyphLocationsLong) {\n          itemSize = 4;\n          itemDecode = function fontItemDecodeLong(data, offset) {\n            return (\n              (data[offset] << 24) |\n              (data[offset + 1] << 16) |\n              (data[offset + 2] << 8) |\n              data[offset + 3]\n            );\n          };\n          itemEncode = function fontItemEncodeLong(data, offset, value) {\n            data[offset] = (value >>> 24) & 0xff;\n            data[offset + 1] = (value >> 16) & 0xff;\n            data[offset + 2] = (value >> 8) & 0xff;\n            data[offset + 3] = value & 0xff;\n          };\n        } else {\n          itemSize = 2;\n          itemDecode = function fontItemDecode(data, offset) {\n            return (data[offset] << 9) | (data[offset + 1] << 1);\n          };\n          itemEncode = function fontItemEncode(data, offset, value) {\n            data[offset] = (value >> 9) & 0xff;\n            data[offset + 1] = (value >> 1) & 0xff;\n          };\n        }\n        // The first glyph is duplicated.\n        var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;\n        var locaDataSize = itemSize * (1 + numGlyphsOut);\n        // Resize loca table to account for duplicated glyph.\n        var locaData = new Uint8Array(locaDataSize);\n        locaData.set(loca.data.subarray(0, locaDataSize));\n        loca.data = locaData;\n        // removing the invalid glyphs\n        var oldGlyfData = glyf.data;\n        var oldGlyfDataLength = oldGlyfData.length;\n        var newGlyfData = new Uint8Array(oldGlyfDataLength);\n\n        // The spec says the offsets should be in ascending order, however\n        // this is not true for some fonts or they use the offset of 0 to mark a\n        // glyph as missing. OTS requires the offsets to be in order and not to\n        // be zero, so we must sort and rebuild the loca table and potentially\n        // re-arrange the glyf data.\n        var i, j;\n        const locaEntries = [];\n        // There are numGlyphs + 1 loca table entries.\n        for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {\n          let offset = itemDecode(locaData, j);\n          if (offset > oldGlyfDataLength) {\n            offset = oldGlyfDataLength;\n          }\n          locaEntries.push({\n            index: i,\n            offset,\n            endOffset: 0,\n          });\n        }\n        locaEntries.sort((a, b) => {\n          return a.offset - b.offset;\n        });\n        // Now the offsets are sorted, calculate the end offset of each glyph.\n        // The last loca entry's endOffset is not calculated since it's the end\n        // of the data and will be stored on the previous entry's endOffset.\n        for (i = 0; i < numGlyphs; i++) {\n          locaEntries[i].endOffset = locaEntries[i + 1].offset;\n        }\n        // Re-sort so glyphs aren't out of order.\n        locaEntries.sort((a, b) => {\n          return a.index - b.index;\n        });\n\n        var missingGlyphs = Object.create(null);\n        var writeOffset = 0;\n        itemEncode(locaData, 0, writeOffset);\n        for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {\n          var glyphProfile = sanitizeGlyph(\n            oldGlyfData,\n            locaEntries[i].offset,\n            locaEntries[i].endOffset,\n            newGlyfData,\n            writeOffset,\n            hintsValid\n          );\n          var newLength = glyphProfile.length;\n          if (newLength === 0) {\n            missingGlyphs[i] = true;\n          }\n          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {\n            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;\n          }\n          writeOffset += newLength;\n          itemEncode(locaData, j, writeOffset);\n        }\n\n        if (writeOffset === 0) {\n          // glyf table cannot be empty -- redoing the glyf and loca tables\n          // to have single glyph with one point\n          var simpleGlyph = new Uint8Array([\n            0,\n            1,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            0,\n            49,\n            0,\n          ]);\n          for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {\n            itemEncode(locaData, j, simpleGlyph.length);\n          }\n          glyf.data = simpleGlyph;\n        } else if (dupFirstEntry) {\n          // Browsers will not display a glyph at position 0. Typically glyph 0\n          // is notdef, but a number of fonts put a valid glyph there so it must\n          // be duplicated and appended.\n          var firstEntryLength = itemDecode(locaData, itemSize);\n          if (newGlyfData.length > firstEntryLength + writeOffset) {\n            glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);\n          } else {\n            glyf.data = new Uint8Array(firstEntryLength + writeOffset);\n            glyf.data.set(newGlyfData.subarray(0, writeOffset));\n          }\n          glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);\n          itemEncode(\n            loca.data,\n            locaData.length - itemSize,\n            writeOffset + firstEntryLength\n          );\n        } else {\n          glyf.data = newGlyfData.subarray(0, writeOffset);\n        }\n        return {\n          missingGlyphs,\n          maxSizeOfInstructions,\n        };\n      }\n\n      function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {\n        var start = (font.start ? font.start : 0) + post.offset;\n        font.pos = start;\n\n        var length = post.length,\n          end = start + length;\n        var version = font.getInt32();\n        // skip rest to the tables\n        font.skip(28);\n\n        var glyphNames;\n        var valid = true;\n        var i;\n\n        switch (version) {\n          case 0x00010000:\n            glyphNames = MacStandardGlyphOrdering;\n            break;\n          case 0x00020000:\n            var numGlyphs = font.getUint16();\n            if (numGlyphs !== maxpNumGlyphs) {\n              valid = false;\n              break;\n            }\n            var glyphNameIndexes = [];\n            for (i = 0; i < numGlyphs; ++i) {\n              var index = font.getUint16();\n              if (index >= 32768) {\n                valid = false;\n                break;\n              }\n              glyphNameIndexes.push(index);\n            }\n            if (!valid) {\n              break;\n            }\n            var customNames = [];\n            var strBuf = [];\n            while (font.pos < end) {\n              var stringLength = font.getByte();\n              strBuf.length = stringLength;\n              for (i = 0; i < stringLength; ++i) {\n                strBuf[i] = String.fromCharCode(font.getByte());\n              }\n              customNames.push(strBuf.join(\"\"));\n            }\n            glyphNames = [];\n            for (i = 0; i < numGlyphs; ++i) {\n              var j = glyphNameIndexes[i];\n              if (j < 258) {\n                glyphNames.push(MacStandardGlyphOrdering[j]);\n                continue;\n              }\n              glyphNames.push(customNames[j - 258]);\n            }\n            break;\n          case 0x00030000:\n            break;\n          default:\n            warn(\"Unknown/unsupported post table version \" + version);\n            valid = false;\n            if (propertiesObj.defaultEncoding) {\n              glyphNames = propertiesObj.defaultEncoding;\n            }\n            break;\n        }\n        propertiesObj.glyphNames = glyphNames;\n        return valid;\n      }\n\n      function readNameTable(nameTable) {\n        var start = (font.start ? font.start : 0) + nameTable.offset;\n        font.pos = start;\n\n        var names = [[], []];\n        var length = nameTable.length,\n          end = start + length;\n        var format = font.getUint16();\n        var FORMAT_0_HEADER_LENGTH = 6;\n        if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {\n          // unsupported name table format or table \"too\" small\n          return names;\n        }\n        var numRecords = font.getUint16();\n        var stringsStart = font.getUint16();\n        var records = [];\n        var NAME_RECORD_LENGTH = 12;\n        var i, ii;\n\n        for (\n          i = 0;\n          i < numRecords && font.pos + NAME_RECORD_LENGTH <= end;\n          i++\n        ) {\n          var r = {\n            platform: font.getUint16(),\n            encoding: font.getUint16(),\n            language: font.getUint16(),\n            name: font.getUint16(),\n            length: font.getUint16(),\n            offset: font.getUint16(),\n          };\n          // using only Macintosh and Windows platform/encoding names\n          if (\n            (r.platform === 1 && r.encoding === 0 && r.language === 0) ||\n            (r.platform === 3 && r.encoding === 1 && r.language === 0x409)\n          ) {\n            records.push(r);\n          }\n        }\n        for (i = 0, ii = records.length; i < ii; i++) {\n          var record = records[i];\n          if (record.length <= 0) {\n            continue; // Nothing to process, ignoring.\n          }\n          var pos = start + stringsStart + record.offset;\n          if (pos + record.length > end) {\n            continue; // outside of name table, ignoring\n          }\n          font.pos = pos;\n          var nameIndex = record.name;\n          if (record.encoding) {\n            // unicode\n            var str = \"\";\n            for (var j = 0, jj = record.length; j < jj; j += 2) {\n              str += String.fromCharCode(font.getUint16());\n            }\n            names[1][nameIndex] = str;\n          } else {\n            names[0][nameIndex] = bytesToString(font.getBytes(record.length));\n          }\n        }\n        return names;\n      }\n\n      // prettier-ignore\n      var TTOpsStackDeltas = [\n        0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5,\n        -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1,\n        1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1,\n        0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2,\n        0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1,\n        -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1,\n        -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n        -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1,\n        -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];\n      // 0xC0-DF == -1 and 0xE0-FF == -2\n\n      function sanitizeTTProgram(table, ttContext) {\n        var data = table.data;\n        var i = 0,\n          j,\n          n,\n          b,\n          funcId,\n          pc,\n          lastEndf = 0,\n          lastDeff = 0;\n        var stack = [];\n        var callstack = [];\n        var functionsCalled = [];\n        var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;\n        var inFDEF = false,\n          ifLevel = 0,\n          inELSE = 0;\n        for (var ii = data.length; i < ii; ) {\n          var op = data[i++];\n          // The TrueType instruction set docs can be found at\n          // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html\n          if (op === 0x40) {\n            // NPUSHB - pushes n bytes\n            n = data[i++];\n            if (inFDEF || inELSE) {\n              i += n;\n            } else {\n              for (j = 0; j < n; j++) {\n                stack.push(data[i++]);\n              }\n            }\n          } else if (op === 0x41) {\n            // NPUSHW - pushes n words\n            n = data[i++];\n            if (inFDEF || inELSE) {\n              i += n * 2;\n            } else {\n              for (j = 0; j < n; j++) {\n                b = data[i++];\n                stack.push((b << 8) | data[i++]);\n              }\n            }\n          } else if ((op & 0xf8) === 0xb0) {\n            // PUSHB - pushes bytes\n            n = op - 0xb0 + 1;\n            if (inFDEF || inELSE) {\n              i += n;\n            } else {\n              for (j = 0; j < n; j++) {\n                stack.push(data[i++]);\n              }\n            }\n          } else if ((op & 0xf8) === 0xb8) {\n            // PUSHW - pushes words\n            n = op - 0xb8 + 1;\n            if (inFDEF || inELSE) {\n              i += n * 2;\n            } else {\n              for (j = 0; j < n; j++) {\n                b = data[i++];\n                stack.push((b << 8) | data[i++]);\n              }\n            }\n          } else if (op === 0x2b && !tooComplexToFollowFunctions) {\n            // CALL\n            if (!inFDEF && !inELSE) {\n              // collecting information about which functions are used\n              funcId = stack[stack.length - 1];\n              if (isNaN(funcId)) {\n                info(\"TT: CALL empty stack (or invalid entry).\");\n              } else {\n                ttContext.functionsUsed[funcId] = true;\n                if (funcId in ttContext.functionsStackDeltas) {\n                  const newStackLength =\n                    stack.length + ttContext.functionsStackDeltas[funcId];\n                  if (newStackLength < 0) {\n                    warn(\"TT: CALL invalid functions stack delta.\");\n                    ttContext.hintsValid = false;\n                    return;\n                  }\n                  stack.length = newStackLength;\n                } else if (\n                  funcId in ttContext.functionsDefined &&\n                  !functionsCalled.includes(funcId)\n                ) {\n                  callstack.push({ data, i, stackTop: stack.length - 1 });\n                  functionsCalled.push(funcId);\n                  pc = ttContext.functionsDefined[funcId];\n                  if (!pc) {\n                    warn(\"TT: CALL non-existent function\");\n                    ttContext.hintsValid = false;\n                    return;\n                  }\n                  data = pc.data;\n                  i = pc.i;\n                }\n              }\n            }\n          } else if (op === 0x2c && !tooComplexToFollowFunctions) {\n            // FDEF\n            if (inFDEF || inELSE) {\n              warn(\"TT: nested FDEFs not allowed\");\n              tooComplexToFollowFunctions = true;\n            }\n            inFDEF = true;\n            // collecting information about which functions are defined\n            lastDeff = i;\n            funcId = stack.pop();\n            ttContext.functionsDefined[funcId] = { data, i };\n          } else if (op === 0x2d) {\n            // ENDF - end of function\n            if (inFDEF) {\n              inFDEF = false;\n              lastEndf = i;\n            } else {\n              pc = callstack.pop();\n              if (!pc) {\n                warn(\"TT: ENDF bad stack\");\n                ttContext.hintsValid = false;\n                return;\n              }\n              funcId = functionsCalled.pop();\n              data = pc.data;\n              i = pc.i;\n              ttContext.functionsStackDeltas[funcId] =\n                stack.length - pc.stackTop;\n            }\n          } else if (op === 0x89) {\n            // IDEF - instruction definition\n            if (inFDEF || inELSE) {\n              warn(\"TT: nested IDEFs not allowed\");\n              tooComplexToFollowFunctions = true;\n            }\n            inFDEF = true;\n            // recording it as a function to track ENDF\n            lastDeff = i;\n          } else if (op === 0x58) {\n            // IF\n            ++ifLevel;\n          } else if (op === 0x1b) {\n            // ELSE\n            inELSE = ifLevel;\n          } else if (op === 0x59) {\n            // EIF\n            if (inELSE === ifLevel) {\n              inELSE = 0;\n            }\n            --ifLevel;\n          } else if (op === 0x1c) {\n            // JMPR\n            if (!inFDEF && !inELSE) {\n              var offset = stack[stack.length - 1];\n              // only jumping forward to prevent infinite loop\n              if (offset > 0) {\n                i += offset - 1;\n              }\n            }\n          }\n          // Adjusting stack not extactly, but just enough to get function id\n          if (!inFDEF && !inELSE) {\n            let stackDelta = 0;\n            if (op <= 0x8e) {\n              stackDelta = TTOpsStackDeltas[op];\n            } else if (op >= 0xc0 && op <= 0xdf) {\n              stackDelta = -1;\n            } else if (op >= 0xe0) {\n              stackDelta = -2;\n            }\n            if (op >= 0x71 && op <= 0x75) {\n              n = stack.pop();\n              if (!isNaN(n)) {\n                stackDelta = -n * 2;\n              }\n            }\n            while (stackDelta < 0 && stack.length > 0) {\n              stack.pop();\n              stackDelta++;\n            }\n            while (stackDelta > 0) {\n              stack.push(NaN); // pushing any number into stack\n              stackDelta--;\n            }\n          }\n        }\n        ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;\n        var content = [data];\n        if (i > data.length) {\n          content.push(new Uint8Array(i - data.length));\n        }\n        if (lastDeff > lastEndf) {\n          warn(\"TT: complementing a missing function tail\");\n          // new function definition started, but not finished\n          // complete function by [CLEAR, ENDF]\n          content.push(new Uint8Array([0x22, 0x2d]));\n        }\n        foldTTTable(table, content);\n      }\n\n      function checkInvalidFunctions(ttContext, maxFunctionDefs) {\n        if (ttContext.tooComplexToFollowFunctions) {\n          return;\n        }\n        if (ttContext.functionsDefined.length > maxFunctionDefs) {\n          warn(\"TT: more functions defined than expected\");\n          ttContext.hintsValid = false;\n          return;\n        }\n        for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {\n          if (j > maxFunctionDefs) {\n            warn(\"TT: invalid function id: \" + j);\n            ttContext.hintsValid = false;\n            return;\n          }\n          if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {\n            warn(\"TT: undefined function: \" + j);\n            ttContext.hintsValid = false;\n            return;\n          }\n        }\n      }\n\n      function foldTTTable(table, content) {\n        if (content.length > 1) {\n          // concatenating the content items\n          var newLength = 0;\n          var j, jj;\n          for (j = 0, jj = content.length; j < jj; j++) {\n            newLength += content[j].length;\n          }\n          newLength = (newLength + 3) & ~3;\n          var result = new Uint8Array(newLength);\n          var pos = 0;\n          for (j = 0, jj = content.length; j < jj; j++) {\n            result.set(content[j], pos);\n            pos += content[j].length;\n          }\n          table.data = result;\n          table.length = newLength;\n        }\n      }\n\n      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {\n        var ttContext = {\n          functionsDefined: [],\n          functionsUsed: [],\n          functionsStackDeltas: [],\n          tooComplexToFollowFunctions: false,\n          hintsValid: true,\n        };\n        if (fpgm) {\n          sanitizeTTProgram(fpgm, ttContext);\n        }\n        if (prep) {\n          sanitizeTTProgram(prep, ttContext);\n        }\n        if (fpgm) {\n          checkInvalidFunctions(ttContext, maxFunctionDefs);\n        }\n        if (cvt && cvt.length & 1) {\n          var cvtData = new Uint8Array(cvt.length + 1);\n          cvtData.set(cvt.data);\n          cvt.data = cvtData;\n        }\n        return ttContext.hintsValid;\n      }\n\n      // The following steps modify the original font data, making copy\n      font = new Stream(new Uint8Array(font.getBytes()));\n\n      let header, tables;\n      if (isTrueTypeCollectionFile(font)) {\n        const ttcData = readTrueTypeCollectionData(font, this.name);\n        header = ttcData.header;\n        tables = ttcData.tables;\n      } else {\n        header = readOpenTypeHeader(font);\n        tables = readTables(font, header.numTables);\n      }\n      let cff, cffFile;\n\n      var isTrueType = !tables[\"CFF \"];\n      if (!isTrueType) {\n        const isComposite =\n          properties.composite &&\n          ((properties.cidToGidMap || []).length > 0 ||\n            !(properties.cMap instanceof IdentityCMap));\n        // OpenType font (skip composite fonts with non-default glyph mapping).\n        if (\n          (header.version === \"OTTO\" && !isComposite) ||\n          !tables.head ||\n          !tables.hhea ||\n          !tables.maxp ||\n          !tables.post\n        ) {\n          // No major tables: throwing everything at `CFFFont`.\n          cffFile = new Stream(tables[\"CFF \"].data);\n          cff = new CFFFont(cffFile, properties);\n\n          adjustWidths(properties);\n\n          return this.convert(name, cff, properties);\n        }\n\n        delete tables.glyf;\n        delete tables.loca;\n        delete tables.fpgm;\n        delete tables.prep;\n        delete tables[\"cvt \"];\n        this.isOpenType = true;\n      } else {\n        if (!tables.loca) {\n          throw new FormatError('Required \"loca\" table is not found');\n        }\n        if (!tables.glyf) {\n          warn('Required \"glyf\" table is not found -- trying to recover.');\n          // Note: We use `sanitizeGlyphLocations` to add dummy glyf data below.\n          tables.glyf = {\n            tag: \"glyf\",\n            data: new Uint8Array(0),\n          };\n        }\n        this.isOpenType = false;\n      }\n\n      if (!tables.maxp) {\n        throw new FormatError('Required \"maxp\" table is not found');\n      }\n\n      font.pos = (font.start || 0) + tables.maxp.offset;\n      var version = font.getInt32();\n      const numGlyphs = font.getUint16();\n      // Glyph 0 is duplicated and appended.\n      let numGlyphsOut = numGlyphs + 1;\n      let dupFirstEntry = true;\n      if (numGlyphsOut > 0xffff) {\n        dupFirstEntry = false;\n        numGlyphsOut = numGlyphs;\n        warn(\"Not enough space in glyfs to duplicate first glyph.\");\n      }\n      var maxFunctionDefs = 0;\n      var maxSizeOfInstructions = 0;\n      if (version >= 0x00010000 && tables.maxp.length >= 22) {\n        // maxZones can be invalid\n        font.pos += 8;\n        var maxZones = font.getUint16();\n        if (maxZones > 2) {\n          // reset to 2 if font has invalid maxZones\n          tables.maxp.data[14] = 0;\n          tables.maxp.data[15] = 2;\n        }\n        font.pos += 4;\n        maxFunctionDefs = font.getUint16();\n        font.pos += 4;\n        maxSizeOfInstructions = font.getUint16();\n      }\n\n      tables.maxp.data[4] = numGlyphsOut >> 8;\n      tables.maxp.data[5] = numGlyphsOut & 255;\n\n      var hintsValid = sanitizeTTPrograms(\n        tables.fpgm,\n        tables.prep,\n        tables[\"cvt \"],\n        maxFunctionDefs\n      );\n      if (!hintsValid) {\n        delete tables.fpgm;\n        delete tables.prep;\n        delete tables[\"cvt \"];\n      }\n\n      // Ensure the hmtx table contains the advance width and\n      // sidebearings information for numGlyphs in the maxp table\n      sanitizeMetrics(\n        font,\n        tables.hhea,\n        tables.hmtx,\n        numGlyphsOut,\n        dupFirstEntry\n      );\n\n      if (!tables.head) {\n        throw new FormatError('Required \"head\" table is not found');\n      }\n\n      sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);\n\n      var missingGlyphs = Object.create(null);\n      if (isTrueType) {\n        var isGlyphLocationsLong = int16(\n          tables.head.data[50],\n          tables.head.data[51]\n        );\n        var glyphsInfo = sanitizeGlyphLocations(\n          tables.loca,\n          tables.glyf,\n          numGlyphs,\n          isGlyphLocationsLong,\n          hintsValid,\n          dupFirstEntry,\n          maxSizeOfInstructions\n        );\n        missingGlyphs = glyphsInfo.missingGlyphs;\n\n        // Some fonts have incorrect maxSizeOfInstructions values, so we use\n        // the computed value instead.\n        if (version >= 0x00010000 && tables.maxp.length >= 22) {\n          tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;\n          tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;\n        }\n      }\n      if (!tables.hhea) {\n        throw new FormatError('Required \"hhea\" table is not found');\n      }\n\n      // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth\n      // Sometimes it's 0. That needs to be fixed\n      if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {\n        tables.hhea.data[10] = 0xff;\n        tables.hhea.data[11] = 0xff;\n      }\n\n      // Extract some more font properties from the OpenType head and\n      // hhea tables; yMin and descent value are always negative.\n      var metricsOverride = {\n        unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),\n        yMax: int16(tables.head.data[42], tables.head.data[43]),\n        yMin: signedInt16(tables.head.data[38], tables.head.data[39]),\n        ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),\n        descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7]),\n      };\n\n      // PDF FontDescriptor metrics lie -- using data from actual font.\n      this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;\n      this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;\n\n      // The 'post' table has glyphs names.\n      if (tables.post) {\n        readPostScriptTable(tables.post, properties, numGlyphs);\n      }\n\n      // The original 'post' table is not needed, replace it.\n      tables.post = {\n        tag: \"post\",\n        data: createPostTable(properties),\n      };\n\n      const charCodeToGlyphId = [];\n\n      // Helper function to try to skip mapping of empty glyphs.\n      function hasGlyph(glyphId) {\n        return !missingGlyphs[glyphId];\n      }\n\n      if (properties.composite) {\n        var cidToGidMap = properties.cidToGidMap || [];\n        var isCidToGidMapEmpty = cidToGidMap.length === 0;\n\n        properties.cMap.forEach(function (charCode, cid) {\n          if (cid > 0xffff) {\n            throw new FormatError(\"Max size of CID is 65,535\");\n          }\n          var glyphId = -1;\n          if (isCidToGidMapEmpty) {\n            glyphId = cid;\n          } else if (cidToGidMap[cid] !== undefined) {\n            glyphId = cidToGidMap[cid];\n          }\n\n          if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        });\n      } else {\n        // Most of the following logic in this code branch is based on the\n        // 9.6.6.4 of the PDF spec.\n        var cmapTable = readCmapTable(\n          tables.cmap,\n          font,\n          this.isSymbolicFont,\n          properties.hasEncoding\n        );\n        var cmapPlatformId = cmapTable.platformId;\n        var cmapEncodingId = cmapTable.encodingId;\n        var cmapMappings = cmapTable.mappings;\n        var cmapMappingsLength = cmapMappings.length;\n        let baseEncoding = [];\n        if (\n          properties.hasEncoding &&\n          (properties.baseEncodingName === \"MacRomanEncoding\" ||\n            properties.baseEncodingName === \"WinAnsiEncoding\")\n        ) {\n          baseEncoding = getEncoding(properties.baseEncodingName);\n        }\n\n        // If the font has an encoding and is not symbolic then follow the\n        // rules in section 9.6.6.4 of the spec on how to map 3,1 and 1,0\n        // cmaps.\n        if (\n          properties.hasEncoding &&\n          !this.isSymbolicFont &&\n          ((cmapPlatformId === 3 && cmapEncodingId === 1) ||\n            (cmapPlatformId === 1 && cmapEncodingId === 0))\n        ) {\n          var glyphsUnicodeMap = getGlyphsUnicode();\n          for (let charCode = 0; charCode < 256; charCode++) {\n            var glyphName, standardGlyphName;\n            if (this.differences && charCode in this.differences) {\n              glyphName = this.differences[charCode];\n            } else if (\n              charCode in baseEncoding &&\n              baseEncoding[charCode] !== \"\"\n            ) {\n              glyphName = baseEncoding[charCode];\n            } else {\n              glyphName = StandardEncoding[charCode];\n            }\n            if (!glyphName) {\n              continue;\n            }\n            // Ensure that non-standard glyph names are resolved to valid ones.\n            standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);\n\n            var unicodeOrCharCode;\n            if (cmapPlatformId === 3 && cmapEncodingId === 1) {\n              unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];\n            } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {\n              // TODO: the encoding needs to be updated with mac os table.\n              unicodeOrCharCode = MacRomanEncoding.indexOf(standardGlyphName);\n            }\n\n            for (let i = 0; i < cmapMappingsLength; ++i) {\n              if (cmapMappings[i].charCode !== unicodeOrCharCode) {\n                continue;\n              }\n              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;\n              break;\n            }\n          }\n        } else if (cmapPlatformId === 0) {\n          // Default Unicode semantics, use the charcodes as is.\n          for (let i = 0; i < cmapMappingsLength; ++i) {\n            charCodeToGlyphId[cmapMappings[i].charCode] =\n              cmapMappings[i].glyphId;\n          }\n        } else {\n          // When there is only a (1, 0) cmap table, the char code is a single\n          // byte and it is used directly as the char code.\n\n          // When a (3, 0) cmap table is present, it is used instead but the\n          // spec has special rules for char codes in the range of 0xF000 to\n          // 0xF0FF and it says the (3, 0) table should map the values from\n          // the (1, 0) table by prepending 0xF0 to the char codes. To reverse\n          // this, the upper bits of the char code are cleared, but only for the\n          // special range since some PDFs have char codes outside of this range\n          // (e.g. 0x2013) which when masked would overwrite other values in the\n          // cmap.\n          for (let i = 0; i < cmapMappingsLength; ++i) {\n            let charCode = cmapMappings[i].charCode;\n            if (\n              cmapPlatformId === 3 &&\n              charCode >= 0xf000 &&\n              charCode <= 0xf0ff\n            ) {\n              charCode &= 0xff;\n            }\n            charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;\n          }\n        }\n\n        // Last, try to map any missing charcodes using the post table.\n        if (properties.glyphNames && baseEncoding.length) {\n          for (let i = 0; i < 256; ++i) {\n            if (charCodeToGlyphId[i] === undefined && baseEncoding[i]) {\n              glyphName = baseEncoding[i];\n              const glyphId = properties.glyphNames.indexOf(glyphName);\n              if (glyphId > 0 && hasGlyph(glyphId)) {\n                charCodeToGlyphId[i] = glyphId;\n              }\n            }\n          }\n        }\n      }\n\n      if (charCodeToGlyphId.length === 0) {\n        // defines at least one glyph\n        charCodeToGlyphId[0] = 0;\n      }\n\n      // Typically glyph 0 is duplicated and the mapping must be updated, but if\n      // there isn't enough room to duplicate, the glyph id is left the same. In\n      // this case, glyph 0 may not work correctly, but that is better than\n      // having the whole font fail.\n      let glyphZeroId = numGlyphsOut - 1;\n      if (!dupFirstEntry) {\n        glyphZeroId = 0;\n      }\n\n      // Converting glyphs and ids into font's cmap table\n      var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);\n      this.toFontChar = newMapping.toFontChar;\n      tables.cmap = {\n        tag: \"cmap\",\n        data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut),\n      };\n\n      if (!tables[\"OS/2\"] || !validateOS2Table(tables[\"OS/2\"], font)) {\n        tables[\"OS/2\"] = {\n          tag: \"OS/2\",\n          data: createOS2Table(\n            properties,\n            newMapping.charCodeToGlyphId,\n            metricsOverride\n          ),\n        };\n      }\n\n      if (!isTrueType) {\n        try {\n          // Trying to repair CFF file\n          cffFile = new Stream(tables[\"CFF \"].data);\n          var parser = new CFFParser(\n            cffFile,\n            properties,\n            SEAC_ANALYSIS_ENABLED\n          );\n          cff = parser.parse();\n          cff.duplicateFirstGlyph();\n          var compiler = new CFFCompiler(cff);\n          tables[\"CFF \"].data = compiler.compile();\n        } catch (e) {\n          warn(\"Failed to compile font \" + properties.loadedName);\n        }\n      }\n\n      // Re-creating 'name' table\n      if (!tables.name) {\n        tables.name = {\n          tag: \"name\",\n          data: createNameTable(this.name),\n        };\n      } else {\n        // ... using existing 'name' table as prototype\n        var namePrototype = readNameTable(tables.name);\n        tables.name.data = createNameTable(name, namePrototype);\n      }\n\n      var builder = new OpenTypeFileBuilder(header.version);\n      for (var tableTag in tables) {\n        builder.addTable(tableTag, tables[tableTag].data);\n      }\n      return builder.toArray();\n    },\n\n    convert: function Font_convert(fontName, font, properties) {\n      // TODO: Check the charstring widths to determine this.\n      properties.fixedPitch = false;\n\n      if (properties.builtInEncoding) {\n        // For Type1 fonts that do not include either `ToUnicode` or `Encoding`\n        // data, attempt to use the `builtInEncoding` to improve text selection.\n        adjustToUnicode(properties, properties.builtInEncoding);\n      }\n\n      // Type 1 fonts have a notdef inserted at the beginning, so glyph 0\n      // becomes glyph 1. In a CFF font glyph 0 is appended to the end of the\n      // char strings.\n      let glyphZeroId = 1;\n      if (font instanceof CFFFont) {\n        glyphZeroId = font.numGlyphs - 1;\n      }\n      var mapping = font.getGlyphMapping(properties);\n      var newMapping = adjustMapping(\n        mapping,\n        font.hasGlyphId.bind(font),\n        glyphZeroId\n      );\n      this.toFontChar = newMapping.toFontChar;\n      var numGlyphs = font.numGlyphs;\n\n      function getCharCodes(charCodeToGlyphId, glyphId) {\n        var charCodes = null;\n        for (var charCode in charCodeToGlyphId) {\n          if (glyphId === charCodeToGlyphId[charCode]) {\n            if (!charCodes) {\n              charCodes = [];\n            }\n            charCodes.push(charCode | 0);\n          }\n        }\n        return charCodes;\n      }\n\n      function createCharCode(charCodeToGlyphId, glyphId) {\n        for (var charCode in charCodeToGlyphId) {\n          if (glyphId === charCodeToGlyphId[charCode]) {\n            return charCode | 0;\n          }\n        }\n        newMapping.charCodeToGlyphId[\n          newMapping.nextAvailableFontCharCode\n        ] = glyphId;\n        return newMapping.nextAvailableFontCharCode++;\n      }\n\n      var seacs = font.seacs;\n      if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {\n        var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX;\n        var charset = font.getCharset();\n        var seacMap = Object.create(null);\n        for (var glyphId in seacs) {\n          glyphId |= 0;\n          var seac = seacs[glyphId];\n          var baseGlyphName = StandardEncoding[seac[2]];\n          var accentGlyphName = StandardEncoding[seac[3]];\n          var baseGlyphId = charset.indexOf(baseGlyphName);\n          var accentGlyphId = charset.indexOf(accentGlyphName);\n          if (baseGlyphId < 0 || accentGlyphId < 0) {\n            continue;\n          }\n          var accentOffset = {\n            x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],\n            y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5],\n          };\n\n          var charCodes = getCharCodes(mapping, glyphId);\n          if (!charCodes) {\n            // There's no point in mapping it if the char code was never mapped\n            // to begin with.\n            continue;\n          }\n          for (let i = 0, ii = charCodes.length; i < ii; i++) {\n            var charCode = charCodes[i];\n            // Find a fontCharCode that maps to the base and accent glyphs.\n            // If one doesn't exists, create it.\n            var charCodeToGlyphId = newMapping.charCodeToGlyphId;\n            var baseFontCharCode = createCharCode(\n              charCodeToGlyphId,\n              baseGlyphId\n            );\n            var accentFontCharCode = createCharCode(\n              charCodeToGlyphId,\n              accentGlyphId\n            );\n            seacMap[charCode] = {\n              baseFontCharCode,\n              accentFontCharCode,\n              accentOffset,\n            };\n          }\n        }\n        properties.seacMap = seacMap;\n      }\n\n      var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0];\n\n      var builder = new OpenTypeFileBuilder(\"\\x4F\\x54\\x54\\x4F\");\n      // PostScript Font Program\n      builder.addTable(\"CFF \", font.data);\n      // OS/2 and Windows Specific metrics\n      builder.addTable(\n        \"OS/2\",\n        createOS2Table(properties, newMapping.charCodeToGlyphId)\n      );\n      // Character to glyphs mapping\n      builder.addTable(\n        \"cmap\",\n        createCmapTable(newMapping.charCodeToGlyphId, numGlyphs)\n      );\n      // Font header\n      builder.addTable(\n        \"head\",\n        \"\\x00\\x01\\x00\\x00\" + // Version number\n        \"\\x00\\x00\\x10\\x00\" + // fontRevision\n        \"\\x00\\x00\\x00\\x00\" + // checksumAdjustement\n        \"\\x5F\\x0F\\x3C\\xF5\" + // magicNumber\n        \"\\x00\\x00\" + // Flags\n        safeString16(unitsPerEm) + // unitsPerEM\n        \"\\x00\\x00\\x00\\x00\\x9e\\x0b\\x7e\\x27\" + // creation date\n        \"\\x00\\x00\\x00\\x00\\x9e\\x0b\\x7e\\x27\" + // modifification date\n        \"\\x00\\x00\" + // xMin\n        safeString16(properties.descent) + // yMin\n        \"\\x0F\\xFF\" + // xMax\n        safeString16(properties.ascent) + // yMax\n        string16(properties.italicAngle ? 2 : 0) + // macStyle\n        \"\\x00\\x11\" + // lowestRecPPEM\n        \"\\x00\\x00\" + // fontDirectionHint\n        \"\\x00\\x00\" + // indexToLocFormat\n          \"\\x00\\x00\"\n      ); // glyphDataFormat\n\n      // Horizontal header\n      builder.addTable(\n        \"hhea\",\n        \"\\x00\\x01\\x00\\x00\" + // Version number\n        safeString16(properties.ascent) + // Typographic Ascent\n        safeString16(properties.descent) + // Typographic Descent\n        \"\\x00\\x00\" + // Line Gap\n        \"\\xFF\\xFF\" + // advanceWidthMax\n        \"\\x00\\x00\" + // minLeftSidebearing\n        \"\\x00\\x00\" + // minRightSidebearing\n        \"\\x00\\x00\" + // xMaxExtent\n        safeString16(properties.capHeight) + // caretSlopeRise\n        safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + // caretSlopeRun\n        \"\\x00\\x00\" + // caretOffset\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // -reserved-\n        \"\\x00\\x00\" + // metricDataFormat\n          string16(numGlyphs)\n      ); // Number of HMetrics\n\n      // Horizontal metrics\n      builder.addTable(\n        \"hmtx\",\n        (function fontFieldsHmtx() {\n          var charstrings = font.charstrings;\n          var cffWidths = font.cff ? font.cff.widths : null;\n          var hmtx = \"\\x00\\x00\\x00\\x00\"; // Fake .notdef\n          for (let i = 1, ii = numGlyphs; i < ii; i++) {\n            var width = 0;\n            if (charstrings) {\n              var charstring = charstrings[i - 1];\n              width = \"width\" in charstring ? charstring.width : 0;\n            } else if (cffWidths) {\n              width = Math.ceil(cffWidths[i] || 0);\n            }\n            hmtx += string16(width) + string16(0);\n          }\n          return hmtx;\n        })()\n      );\n\n      // Maximum profile\n      builder.addTable(\n        \"maxp\",\n        \"\\x00\\x00\\x50\\x00\" + string16(numGlyphs) // Version number\n      ); // Num of glyphs\n\n      // Naming tables\n      builder.addTable(\"name\", createNameTable(fontName));\n\n      // PostScript information\n      builder.addTable(\"post\", createPostTable(properties));\n\n      return builder.toArray();\n    },\n\n    get spaceWidth() {\n      // trying to estimate space character width\n      var possibleSpaceReplacements = [\"space\", \"minus\", \"one\", \"i\", \"I\"];\n      var width;\n      for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {\n        var glyphName = possibleSpaceReplacements[i];\n        // if possible, getting width by glyph name\n        if (glyphName in this.widths) {\n          width = this.widths[glyphName];\n          break;\n        }\n        var glyphsUnicodeMap = getGlyphsUnicode();\n        var glyphUnicode = glyphsUnicodeMap[glyphName];\n        // finding the charcode via unicodeToCID map\n        var charcode = 0;\n        if (this.composite && this.cMap.contains(glyphUnicode)) {\n          charcode = this.cMap.lookup(glyphUnicode);\n        }\n        // ... via toUnicode map\n        if (!charcode && this.toUnicode) {\n          charcode = this.toUnicode.charCodeOf(glyphUnicode);\n        }\n        // setting it to unicode if negative or undefined\n        if (charcode <= 0) {\n          charcode = glyphUnicode;\n        }\n        // trying to get width via charcode\n        width = this.widths[charcode];\n        if (width) {\n          break; // the non-zero width found\n        }\n      }\n      width = width || this.defaultWidth;\n      return shadow(this, \"spaceWidth\", width);\n    },\n\n    charToGlyph: function Font_charToGlyph(charcode, isSpace) {\n      var fontCharCode, width, operatorListId;\n\n      var widthCode = charcode;\n      if (this.cMap && this.cMap.contains(charcode)) {\n        widthCode = this.cMap.lookup(charcode);\n      }\n      width = this.widths[widthCode];\n      width = isNum(width) ? width : this.defaultWidth;\n      var vmetric = this.vmetrics && this.vmetrics[widthCode];\n\n      let unicode =\n        this.toUnicode.get(charcode) ||\n        this.fallbackToUnicode.get(charcode) ||\n        charcode;\n      if (typeof unicode === \"number\") {\n        unicode = String.fromCharCode(unicode);\n      }\n\n      var isInFont = charcode in this.toFontChar;\n      // First try the toFontChar map, if it's not there then try falling\n      // back to the char code.\n      fontCharCode = this.toFontChar[charcode] || charcode;\n      if (this.missingFile) {\n        const glyphName =\n          this.differences[charcode] || this.defaultEncoding[charcode];\n        if (\n          (glyphName === \".notdef\" || glyphName === \"\") &&\n          this.type === \"Type1\"\n        ) {\n          // .notdef glyphs should be invisible in non-embedded Type1 fonts, so\n          // replace them with spaces.\n          fontCharCode = 0x20;\n        }\n        fontCharCode = mapSpecialUnicodeValues(fontCharCode);\n      }\n\n      if (this.isType3Font) {\n        // Font char code in this case is actually a glyph name.\n        operatorListId = fontCharCode;\n      }\n\n      var accent = null;\n      if (this.seacMap && this.seacMap[charcode]) {\n        isInFont = true;\n        var seac = this.seacMap[charcode];\n        fontCharCode = seac.baseFontCharCode;\n        accent = {\n          fontChar: String.fromCodePoint(seac.accentFontCharCode),\n          offset: seac.accentOffset,\n        };\n      }\n\n      let fontChar = \"\";\n      if (typeof fontCharCode === \"number\") {\n        if (fontCharCode <= 0x10ffff) {\n          fontChar = String.fromCodePoint(fontCharCode);\n        } else {\n          warn(`charToGlyph - invalid fontCharCode: ${fontCharCode}`);\n        }\n      }\n\n      var glyph = this.glyphCache[charcode];\n      if (\n        !glyph ||\n        !glyph.matchesForCache(\n          fontChar,\n          unicode,\n          accent,\n          width,\n          vmetric,\n          operatorListId,\n          isSpace,\n          isInFont\n        )\n      ) {\n        glyph = new Glyph(\n          fontChar,\n          unicode,\n          accent,\n          width,\n          vmetric,\n          operatorListId,\n          isSpace,\n          isInFont\n        );\n        this.glyphCache[charcode] = glyph;\n      }\n      return glyph;\n    },\n\n    charsToGlyphs: function Font_charsToGlyphs(chars) {\n      var charsCache = this.charsCache;\n      var glyphs, glyph, charcode;\n\n      // if we translated this string before, just grab it from the cache\n      if (charsCache) {\n        glyphs = charsCache[chars];\n        if (glyphs) {\n          return glyphs;\n        }\n      }\n\n      // lazily create the translation cache\n      if (!charsCache) {\n        charsCache = this.charsCache = Object.create(null);\n      }\n\n      glyphs = [];\n      var charsCacheKey = chars;\n      var i = 0,\n        ii;\n\n      if (this.cMap) {\n        // composite fonts have multi-byte strings convert the string from\n        // single-byte to multi-byte\n        var c = Object.create(null);\n        while (i < chars.length) {\n          this.cMap.readCharCode(chars, i, c);\n          charcode = c.charcode;\n          var length = c.length;\n          i += length;\n          // Space is char with code 0x20 and length 1 in multiple-byte codes.\n          var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;\n          glyph = this.charToGlyph(charcode, isSpace);\n          glyphs.push(glyph);\n        }\n      } else {\n        for (i = 0, ii = chars.length; i < ii; ++i) {\n          charcode = chars.charCodeAt(i);\n          glyph = this.charToGlyph(charcode, charcode === 0x20);\n          glyphs.push(glyph);\n        }\n      }\n\n      // Enter the translated string into the cache\n      return (charsCache[charsCacheKey] = glyphs);\n    },\n\n    get glyphCacheValues() {\n      return Object.values(this.glyphCache);\n    },\n  };\n\n  return Font;\n})();\n\nvar ErrorFont = (function ErrorFontClosure() {\n  // eslint-disable-next-line no-shadow\n  function ErrorFont(error) {\n    this.error = error;\n    this.loadedName = \"g_font_error\";\n    this.missingFile = true;\n  }\n\n  ErrorFont.prototype = {\n    charsToGlyphs: function ErrorFont_charsToGlyphs() {\n      return [];\n    },\n    exportData(extraProperties = false) {\n      return { error: this.error };\n    },\n  };\n\n  return ErrorFont;\n})();\n\n/**\n * Shared logic for building a char code to glyph id mapping for Type1 and\n * simple CFF fonts. See section 9.6.6.2 of the spec.\n * @param {Object} properties Font properties object.\n * @param {Object} builtInEncoding The encoding contained within the actual font\n * data.\n * @param {Array} glyphNames Array of glyph names where the index is the\n * glyph ID.\n * @returns {Object} A char code to glyph ID map.\n */\nfunction type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {\n  var charCodeToGlyphId = Object.create(null);\n  var glyphId, charCode, baseEncoding;\n  var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);\n\n  if (properties.baseEncodingName) {\n    // If a valid base encoding name was used, the mapping is initialized with\n    // that.\n    baseEncoding = getEncoding(properties.baseEncodingName);\n    for (charCode = 0; charCode < baseEncoding.length; charCode++) {\n      glyphId = glyphNames.indexOf(baseEncoding[charCode]);\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  } else if (isSymbolicFont) {\n    // For a symbolic font the encoding should be the fonts built-in encoding.\n    for (charCode in builtInEncoding) {\n      charCodeToGlyphId[charCode] = builtInEncoding[charCode];\n    }\n  } else {\n    // For non-symbolic fonts that don't have a base encoding the standard\n    // encoding should be used.\n    baseEncoding = StandardEncoding;\n    for (charCode = 0; charCode < baseEncoding.length; charCode++) {\n      glyphId = glyphNames.indexOf(baseEncoding[charCode]);\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  }\n\n  // Lastly, merge in the differences.\n  var differences = properties.differences,\n    glyphsUnicodeMap;\n  if (differences) {\n    for (charCode in differences) {\n      var glyphName = differences[charCode];\n      glyphId = glyphNames.indexOf(glyphName);\n\n      if (glyphId === -1) {\n        if (!glyphsUnicodeMap) {\n          glyphsUnicodeMap = getGlyphsUnicode();\n        }\n        var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);\n        if (standardGlyphName !== glyphName) {\n          glyphId = glyphNames.indexOf(standardGlyphName);\n        }\n      }\n      if (glyphId >= 0) {\n        charCodeToGlyphId[charCode] = glyphId;\n      } else {\n        charCodeToGlyphId[charCode] = 0; // notdef\n      }\n    }\n  }\n  return charCodeToGlyphId;\n}\n\n// Type1Font is also a CIDFontType0.\nvar Type1Font = (function Type1FontClosure() {\n  function findBlock(streamBytes, signature, startIndex) {\n    var streamBytesLength = streamBytes.length;\n    var signatureLength = signature.length;\n    var scanLength = streamBytesLength - signatureLength;\n\n    var i = startIndex,\n      j,\n      found = false;\n    while (i < scanLength) {\n      j = 0;\n      while (j < signatureLength && streamBytes[i + j] === signature[j]) {\n        j++;\n      }\n      if (j >= signatureLength) {\n        // `signature` found, skip over whitespace.\n        i += j;\n        while (i < streamBytesLength && isWhiteSpace(streamBytes[i])) {\n          i++;\n        }\n        found = true;\n        break;\n      }\n      i++;\n    }\n    return {\n      found,\n      length: i,\n    };\n  }\n\n  function getHeaderBlock(stream, suggestedLength) {\n    var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];\n\n    var streamStartPos = stream.pos; // Save the initial stream position.\n    var headerBytes, headerBytesLength, block;\n    try {\n      headerBytes = stream.getBytes(suggestedLength);\n      headerBytesLength = headerBytes.length;\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      // Ignore errors if the `suggestedLength` is huge enough that a Uint8Array\n      // cannot hold the result of `getBytes`, and fallback to simply checking\n      // the entire stream (fixes issue3928.pdf).\n    }\n\n    if (headerBytesLength === suggestedLength) {\n      // Most of the time `suggestedLength` is correct, so to speed things up we\n      // initially only check the last few bytes to see if the header was found.\n      // Otherwise we (potentially) check the entire stream to prevent errors in\n      // `Type1Parser` (fixes issue5686.pdf).\n      block = findBlock(\n        headerBytes,\n        EEXEC_SIGNATURE,\n        suggestedLength - 2 * EEXEC_SIGNATURE.length\n      );\n\n      if (block.found && block.length === suggestedLength) {\n        return {\n          stream: new Stream(headerBytes),\n          length: suggestedLength,\n        };\n      }\n    }\n    warn('Invalid \"Length1\" property in Type1 font -- trying to recover.');\n    stream.pos = streamStartPos; // Reset the stream position.\n\n    var SCAN_BLOCK_LENGTH = 2048;\n    var actualLength;\n    while (true) {\n      var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);\n      block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);\n\n      if (block.length === 0) {\n        break;\n      }\n      stream.pos += block.length; // Update the stream position.\n\n      if (block.found) {\n        actualLength = stream.pos - streamStartPos;\n        break;\n      }\n    }\n    stream.pos = streamStartPos; // Reset the stream position.\n\n    if (actualLength) {\n      return {\n        stream: new Stream(stream.getBytes(actualLength)),\n        length: actualLength,\n      };\n    }\n    warn('Unable to recover \"Length1\" property in Type1 font -- using as is.');\n    return {\n      stream: new Stream(stream.getBytes(suggestedLength)),\n      length: suggestedLength,\n    };\n  }\n\n  function getEexecBlock(stream, suggestedLength) {\n    // We should ideally parse the eexec block to ensure that `suggestedLength`\n    // is correct, so we don't truncate the block data if it's too small.\n    // However, this would also require checking if the fixed-content portion\n    // exists (using the 'Length3' property), and ensuring that it's valid.\n    //\n    // Given that `suggestedLength` almost always is correct, all the validation\n    // would require a great deal of unnecessary parsing for most fonts.\n    // To save time, we always fetch the entire stream instead, which also avoid\n    // issues if `suggestedLength` is huge (see comment in `getHeaderBlock`).\n    //\n    // NOTE: This means that the function can include the fixed-content portion\n    // in the returned eexec block. In practice this does *not* seem to matter,\n    // since `Type1Parser_extractFontProgram` will skip over any non-commands.\n    var eexecBytes = stream.getBytes();\n    return {\n      stream: new Stream(eexecBytes),\n      length: eexecBytes.length,\n    };\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Type1Font(name, file, properties) {\n    // Some bad generators embed pfb file as is, we have to strip 6-byte header.\n    // Also, length1 and length2 might be off by 6 bytes as well.\n    // http://www.math.ubc.ca/~cass/piscript/type1.pdf\n    var PFB_HEADER_SIZE = 6;\n    var headerBlockLength = properties.length1;\n    var eexecBlockLength = properties.length2;\n    var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);\n    var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;\n    if (pfbHeaderPresent) {\n      file.skip(PFB_HEADER_SIZE);\n      headerBlockLength =\n        (pfbHeader[5] << 24) |\n        (pfbHeader[4] << 16) |\n        (pfbHeader[3] << 8) |\n        pfbHeader[2];\n    }\n\n    // Get the data block containing glyphs and subrs information\n    var headerBlock = getHeaderBlock(file, headerBlockLength);\n    var headerBlockParser = new Type1Parser(\n      headerBlock.stream,\n      false,\n      SEAC_ANALYSIS_ENABLED\n    );\n    headerBlockParser.extractFontHeader(properties);\n\n    if (pfbHeaderPresent) {\n      pfbHeader = file.getBytes(PFB_HEADER_SIZE);\n      eexecBlockLength =\n        (pfbHeader[5] << 24) |\n        (pfbHeader[4] << 16) |\n        (pfbHeader[3] << 8) |\n        pfbHeader[2];\n    }\n\n    // Decrypt the data blocks and retrieve it's content\n    var eexecBlock = getEexecBlock(file, eexecBlockLength);\n    var eexecBlockParser = new Type1Parser(\n      eexecBlock.stream,\n      true,\n      SEAC_ANALYSIS_ENABLED\n    );\n    var data = eexecBlockParser.extractFontProgram(properties);\n    for (const key in data.properties) {\n      properties[key] = data.properties[key];\n    }\n\n    var charstrings = data.charstrings;\n    var type2Charstrings = this.getType2Charstrings(charstrings);\n    var subrs = this.getType2Subrs(data.subrs);\n\n    this.charstrings = charstrings;\n    this.data = this.wrap(\n      name,\n      type2Charstrings,\n      this.charstrings,\n      subrs,\n      properties\n    );\n    this.seacs = this.getSeacs(data.charstrings);\n  }\n\n  Type1Font.prototype = {\n    get numGlyphs() {\n      return this.charstrings.length + 1;\n    },\n\n    getCharset: function Type1Font_getCharset() {\n      var charset = [\".notdef\"];\n      var charstrings = this.charstrings;\n      for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {\n        charset.push(charstrings[glyphId].glyphName);\n      }\n      return charset;\n    },\n\n    getGlyphMapping: function Type1Font_getGlyphMapping(properties) {\n      var charstrings = this.charstrings;\n\n      if (properties.composite) {\n        const charCodeToGlyphId = Object.create(null);\n        // Map CIDs directly to GIDs.\n        for (\n          let glyphId = 0, charstringsLen = charstrings.length;\n          glyphId < charstringsLen;\n          glyphId++\n        ) {\n          const charCode = properties.cMap.charCodeOf(glyphId);\n          // Add 1 because glyph 0 is duplicated.\n          charCodeToGlyphId[charCode] = glyphId + 1;\n        }\n        return charCodeToGlyphId;\n      }\n\n      var glyphNames = [\".notdef\"],\n        glyphId;\n      for (glyphId = 0; glyphId < charstrings.length; glyphId++) {\n        glyphNames.push(charstrings[glyphId].glyphName);\n      }\n      var encoding = properties.builtInEncoding;\n      if (encoding) {\n        var builtInEncoding = Object.create(null);\n        for (var charCode in encoding) {\n          glyphId = glyphNames.indexOf(encoding[charCode]);\n          if (glyphId >= 0) {\n            builtInEncoding[charCode] = glyphId;\n          }\n        }\n      }\n\n      return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);\n    },\n\n    hasGlyphId: function Type1Font_hasGlyphID(id) {\n      if (id < 0 || id >= this.numGlyphs) {\n        return false;\n      }\n      if (id === 0) {\n        // notdef is always defined.\n        return true;\n      }\n      var glyph = this.charstrings[id - 1];\n      return glyph.charstring.length > 0;\n    },\n\n    getSeacs: function Type1Font_getSeacs(charstrings) {\n      var i, ii;\n      var seacMap = [];\n      for (i = 0, ii = charstrings.length; i < ii; i++) {\n        var charstring = charstrings[i];\n        if (charstring.seac) {\n          // Offset by 1 for .notdef\n          seacMap[i + 1] = charstring.seac;\n        }\n      }\n      return seacMap;\n    },\n\n    getType2Charstrings: function Type1Font_getType2Charstrings(\n      type1Charstrings\n    ) {\n      var type2Charstrings = [];\n      for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {\n        type2Charstrings.push(type1Charstrings[i].charstring);\n      }\n      return type2Charstrings;\n    },\n\n    getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {\n      var bias = 0;\n      var count = type1Subrs.length;\n      if (count < 1133) {\n        bias = 107;\n      } else if (count < 33769) {\n        bias = 1131;\n      } else {\n        bias = 32768;\n      }\n\n      // Add a bunch of empty subrs to deal with the Type2 bias\n      var type2Subrs = [];\n      var i;\n      for (i = 0; i < bias; i++) {\n        type2Subrs.push([0x0b]);\n      }\n\n      for (i = 0; i < count; i++) {\n        type2Subrs.push(type1Subrs[i]);\n      }\n\n      return type2Subrs;\n    },\n\n    wrap: function Type1Font_wrap(\n      name,\n      glyphs,\n      charstrings,\n      subrs,\n      properties\n    ) {\n      var cff = new CFF();\n      cff.header = new CFFHeader(1, 0, 4, 4);\n\n      cff.names = [name];\n\n      var topDict = new CFFTopDict();\n      // CFF strings IDs 0...390 are predefined names, so refering\n      // to entries in our own String INDEX starts at SID 391.\n      topDict.setByName(\"version\", 391);\n      topDict.setByName(\"Notice\", 392);\n      topDict.setByName(\"FullName\", 393);\n      topDict.setByName(\"FamilyName\", 394);\n      topDict.setByName(\"Weight\", 395);\n      topDict.setByName(\"Encoding\", null); // placeholder\n      topDict.setByName(\"FontMatrix\", properties.fontMatrix);\n      topDict.setByName(\"FontBBox\", properties.bbox);\n      topDict.setByName(\"charset\", null); // placeholder\n      topDict.setByName(\"CharStrings\", null); // placeholder\n      topDict.setByName(\"Private\", null); // placeholder\n      cff.topDict = topDict;\n\n      var strings = new CFFStrings();\n      strings.add(\"Version 0.11\"); // Version\n      strings.add(\"See original notice\"); // Notice\n      strings.add(name); // FullName\n      strings.add(name); // FamilyName\n      strings.add(\"Medium\"); // Weight\n      cff.strings = strings;\n\n      cff.globalSubrIndex = new CFFIndex();\n\n      var count = glyphs.length;\n      var charsetArray = [\".notdef\"];\n      var i, ii;\n      for (i = 0; i < count; i++) {\n        const glyphName = charstrings[i].glyphName;\n        const index = CFFStandardStrings.indexOf(glyphName);\n        if (index === -1) {\n          strings.add(glyphName);\n        }\n        charsetArray.push(glyphName);\n      }\n      cff.charset = new CFFCharset(false, 0, charsetArray);\n\n      var charStringsIndex = new CFFIndex();\n      charStringsIndex.add([0x8b, 0x0e]); // .notdef\n      for (i = 0; i < count; i++) {\n        charStringsIndex.add(glyphs[i]);\n      }\n      cff.charStrings = charStringsIndex;\n\n      var privateDict = new CFFPrivateDict();\n      privateDict.setByName(\"Subrs\", null); // placeholder\n      var fields = [\n        \"BlueValues\",\n        \"OtherBlues\",\n        \"FamilyBlues\",\n        \"FamilyOtherBlues\",\n        \"StemSnapH\",\n        \"StemSnapV\",\n        \"BlueShift\",\n        \"BlueFuzz\",\n        \"BlueScale\",\n        \"LanguageGroup\",\n        \"ExpansionFactor\",\n        \"ForceBold\",\n        \"StdHW\",\n        \"StdVW\",\n      ];\n      for (i = 0, ii = fields.length; i < ii; i++) {\n        var field = fields[i];\n        if (!(field in properties.privateData)) {\n          continue;\n        }\n        var value = properties.privateData[field];\n        if (Array.isArray(value)) {\n          // All of the private dictionary array data in CFF must be stored as\n          // \"delta-encoded\" numbers.\n          for (var j = value.length - 1; j > 0; j--) {\n            value[j] -= value[j - 1]; // ... difference from previous value\n          }\n        }\n        privateDict.setByName(field, value);\n      }\n      cff.topDict.privateDict = privateDict;\n\n      var subrIndex = new CFFIndex();\n      for (i = 0, ii = subrs.length; i < ii; i++) {\n        subrIndex.add(subrs[i]);\n      }\n      privateDict.subrsIndex = subrIndex;\n\n      var compiler = new CFFCompiler(cff);\n      return compiler.compile();\n    },\n  };\n\n  return Type1Font;\n})();\n\nvar CFFFont = (function CFFFontClosure() {\n  // eslint-disable-next-line no-shadow\n  function CFFFont(file, properties) {\n    this.properties = properties;\n\n    var parser = new CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);\n    this.cff = parser.parse();\n    this.cff.duplicateFirstGlyph();\n    var compiler = new CFFCompiler(this.cff);\n    this.seacs = this.cff.seacs;\n    try {\n      this.data = compiler.compile();\n    } catch (e) {\n      warn(\"Failed to compile font \" + properties.loadedName);\n      // There may have just been an issue with the compiler, set the data\n      // anyway and hope the font loaded.\n      this.data = file;\n    }\n  }\n\n  CFFFont.prototype = {\n    get numGlyphs() {\n      return this.cff.charStrings.count;\n    },\n    getCharset: function CFFFont_getCharset() {\n      return this.cff.charset.charset;\n    },\n    getGlyphMapping: function CFFFont_getGlyphMapping() {\n      var cff = this.cff;\n      var properties = this.properties;\n      var charsets = cff.charset.charset;\n      var charCodeToGlyphId;\n      var glyphId;\n\n      if (properties.composite) {\n        charCodeToGlyphId = Object.create(null);\n        let charCode;\n        if (cff.isCIDFont) {\n          // If the font is actually a CID font then we should use the charset\n          // to map CIDs to GIDs.\n          for (glyphId = 0; glyphId < charsets.length; glyphId++) {\n            var cid = charsets[glyphId];\n            charCode = properties.cMap.charCodeOf(cid);\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        } else {\n          // If it is NOT actually a CID font then CIDs should be mapped\n          // directly to GIDs.\n          for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {\n            charCode = properties.cMap.charCodeOf(glyphId);\n            charCodeToGlyphId[charCode] = glyphId;\n          }\n        }\n        return charCodeToGlyphId;\n      }\n\n      var encoding = cff.encoding ? cff.encoding.encoding : null;\n      charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);\n      return charCodeToGlyphId;\n    },\n    hasGlyphId: function CFFFont_hasGlyphID(id) {\n      return this.cff.hasGlyphId(id);\n    },\n  };\n\n  return CFFFont;\n})();\n\nexport {\n  SEAC_ANALYSIS_ENABLED,\n  ErrorFont,\n  Font,\n  FontFlags,\n  ToUnicodeMap,\n  IdentityToUnicodeMap,\n  getFontType,\n};\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FormatError,\n  info,\n  shadow,\n  stringToBytes,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport {\n  ExpertCharset,\n  ExpertSubsetCharset,\n  ISOAdobeCharset,\n} from \"./charsets.js\";\nimport { ExpertEncoding, StandardEncoding } from \"./encodings.js\";\n\n// Maximum subroutine call depth of type 2 chartrings. Matches OTS.\nvar MAX_SUBR_NESTING = 10;\n\n/**\n * The CFF class takes a Type1 file and wrap it into a\n * 'Compact Font Format' which itself embed Type2 charstrings.\n */\n// prettier-ignore\nvar CFFStandardStrings = [\n  \".notdef\", \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\", \"four\",\n  \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\", \"less\",\n  \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\",\n  \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\",\n  \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\", \"asciicircum\",\n  \"underscore\", \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\",\n  \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\",\n  \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"exclamdown\", \"cent\",\n  \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"paragraph\", \"bullet\", \"quotesinglbase\", \"quotedblbase\",\n  \"quotedblright\", \"guillemotright\", \"ellipsis\", \"perthousand\", \"questiondown\",\n  \"grave\", \"acute\", \"circumflex\", \"tilde\", \"macron\", \"breve\", \"dotaccent\",\n  \"dieresis\", \"ring\", \"cedilla\", \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\",\n  \"AE\", \"ordfeminine\", \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"ae\",\n  \"dotlessi\", \"lslash\", \"oslash\", \"oe\", \"germandbls\", \"onesuperior\",\n  \"logicalnot\", \"mu\", \"trademark\", \"Eth\", \"onehalf\", \"plusminus\", \"Thorn\",\n  \"onequarter\", \"divide\", \"brokenbar\", \"degree\", \"thorn\", \"threequarters\",\n  \"twosuperior\", \"registered\", \"minus\", \"eth\", \"multiply\", \"threesuperior\",\n  \"copyright\", \"Aacute\", \"Acircumflex\", \"Adieresis\", \"Agrave\", \"Aring\",\n  \"Atilde\", \"Ccedilla\", \"Eacute\", \"Ecircumflex\", \"Edieresis\", \"Egrave\",\n  \"Iacute\", \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Ntilde\", \"Oacute\",\n  \"Ocircumflex\", \"Odieresis\", \"Ograve\", \"Otilde\", \"Scaron\", \"Uacute\",\n  \"Ucircumflex\", \"Udieresis\", \"Ugrave\", \"Yacute\", \"Ydieresis\", \"Zcaron\",\n  \"aacute\", \"acircumflex\", \"adieresis\", \"agrave\", \"aring\", \"atilde\",\n  \"ccedilla\", \"eacute\", \"ecircumflex\", \"edieresis\", \"egrave\", \"iacute\",\n  \"icircumflex\", \"idieresis\", \"igrave\", \"ntilde\", \"oacute\", \"ocircumflex\",\n  \"odieresis\", \"ograve\", \"otilde\", \"scaron\", \"uacute\", \"ucircumflex\",\n  \"udieresis\", \"ugrave\", \"yacute\", \"ydieresis\", \"zcaron\", \"exclamsmall\",\n  \"Hungarumlautsmall\", \"dollaroldstyle\", \"dollarsuperior\", \"ampersandsmall\",\n  \"Acutesmall\", \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"zerooldstyle\", \"oneoldstyle\", \"twooldstyle\",\n  \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\", \"sixoldstyle\",\n  \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\", \"commasuperior\",\n  \"threequartersemdash\", \"periodsuperior\", \"questionsmall\", \"asuperior\",\n  \"bsuperior\", \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\",\n  \"lsuperior\", \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"ffi\", \"ffl\", \"parenleftinferior\", \"parenrightinferior\",\n  \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\", \"Asmall\", \"Bsmall\",\n  \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\", \"Hsmall\", \"Ismall\",\n  \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\", \"Osmall\", \"Psmall\",\n  \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\", \"Vsmall\", \"Wsmall\",\n  \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\", \"onefitted\", \"rupiah\",\n  \"Tildesmall\", \"exclamdownsmall\", \"centoldstyle\", \"Lslashsmall\",\n  \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\", \"Brevesmall\", \"Caronsmall\",\n  \"Dotaccentsmall\", \"Macronsmall\", \"figuredash\", \"hypheninferior\",\n  \"Ogoneksmall\", \"Ringsmall\", \"Cedillasmall\", \"questiondownsmall\", \"oneeighth\",\n  \"threeeighths\", \"fiveeighths\", \"seveneighths\", \"onethird\", \"twothirds\",\n  \"zerosuperior\", \"foursuperior\", \"fivesuperior\", \"sixsuperior\",\n  \"sevensuperior\", \"eightsuperior\", \"ninesuperior\", \"zeroinferior\",\n  \"oneinferior\", \"twoinferior\", \"threeinferior\", \"fourinferior\",\n  \"fiveinferior\", \"sixinferior\", \"seveninferior\", \"eightinferior\",\n  \"nineinferior\", \"centinferior\", \"dollarinferior\", \"periodinferior\",\n  \"commainferior\", \"Agravesmall\", \"Aacutesmall\", \"Acircumflexsmall\",\n  \"Atildesmall\", \"Adieresissmall\", \"Aringsmall\", \"AEsmall\", \"Ccedillasmall\",\n  \"Egravesmall\", \"Eacutesmall\", \"Ecircumflexsmall\", \"Edieresissmall\",\n  \"Igravesmall\", \"Iacutesmall\", \"Icircumflexsmall\", \"Idieresissmall\",\n  \"Ethsmall\", \"Ntildesmall\", \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\",\n  \"Otildesmall\", \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\",\n  \"Uacutesmall\", \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\",\n  \"Thornsmall\", \"Ydieresissmall\", \"001.000\", \"001.001\", \"001.002\", \"001.003\",\n  \"Black\", \"Bold\", \"Book\", \"Light\", \"Medium\", \"Regular\", \"Roman\", \"Semibold\"\n];\n\nconst NUM_STANDARD_CFF_STRINGS = 391;\n\nvar CFFParser = (function CFFParserClosure() {\n  var CharstringValidationData = [\n    null,\n    { id: \"hstem\", min: 2, stackClearing: true, stem: true },\n    null,\n    { id: \"vstem\", min: 2, stackClearing: true, stem: true },\n    { id: \"vmoveto\", min: 1, stackClearing: true },\n    { id: \"rlineto\", min: 2, resetStack: true },\n    { id: \"hlineto\", min: 1, resetStack: true },\n    { id: \"vlineto\", min: 1, resetStack: true },\n    { id: \"rrcurveto\", min: 6, resetStack: true },\n    null,\n    { id: \"callsubr\", min: 1, undefStack: true },\n    { id: \"return\", min: 0, undefStack: true },\n    null, // 12\n    null,\n    { id: \"endchar\", min: 0, stackClearing: true },\n    null,\n    null,\n    null,\n    { id: \"hstemhm\", min: 2, stackClearing: true, stem: true },\n    { id: \"hintmask\", min: 0, stackClearing: true },\n    { id: \"cntrmask\", min: 0, stackClearing: true },\n    { id: \"rmoveto\", min: 2, stackClearing: true },\n    { id: \"hmoveto\", min: 1, stackClearing: true },\n    { id: \"vstemhm\", min: 2, stackClearing: true, stem: true },\n    { id: \"rcurveline\", min: 8, resetStack: true },\n    { id: \"rlinecurve\", min: 8, resetStack: true },\n    { id: \"vvcurveto\", min: 4, resetStack: true },\n    { id: \"hhcurveto\", min: 4, resetStack: true },\n    null, // shortint\n    { id: \"callgsubr\", min: 1, undefStack: true },\n    { id: \"vhcurveto\", min: 4, resetStack: true },\n    { id: \"hvcurveto\", min: 4, resetStack: true },\n  ];\n  var CharstringValidationData12 = [\n    null,\n    null,\n    null,\n    { id: \"and\", min: 2, stackDelta: -1 },\n    { id: \"or\", min: 2, stackDelta: -1 },\n    { id: \"not\", min: 1, stackDelta: 0 },\n    null,\n    null,\n    null,\n    { id: \"abs\", min: 1, stackDelta: 0 },\n    {\n      id: \"add\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] + stack[index - 1];\n      },\n    },\n    {\n      id: \"sub\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] - stack[index - 1];\n      },\n    },\n    {\n      id: \"div\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] / stack[index - 1];\n      },\n    },\n    null,\n    {\n      id: \"neg\",\n      min: 1,\n      stackDelta: 0,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 1] = -stack[index - 1];\n      },\n    },\n    { id: \"eq\", min: 2, stackDelta: -1 },\n    null,\n    null,\n    { id: \"drop\", min: 1, stackDelta: -1 },\n    null,\n    { id: \"put\", min: 2, stackDelta: -2 },\n    { id: \"get\", min: 1, stackDelta: 0 },\n    { id: \"ifelse\", min: 4, stackDelta: -3 },\n    { id: \"random\", min: 0, stackDelta: 1 },\n    {\n      id: \"mul\",\n      min: 2,\n      stackDelta: -1,\n      stackFn: function stack_div(stack, index) {\n        stack[index - 2] = stack[index - 2] * stack[index - 1];\n      },\n    },\n    null,\n    { id: \"sqrt\", min: 1, stackDelta: 0 },\n    { id: \"dup\", min: 1, stackDelta: 1 },\n    { id: \"exch\", min: 2, stackDelta: 0 },\n    { id: \"index\", min: 2, stackDelta: 0 },\n    { id: \"roll\", min: 3, stackDelta: -2 },\n    null,\n    null,\n    null,\n    { id: \"hflex\", min: 7, resetStack: true },\n    { id: \"flex\", min: 13, resetStack: true },\n    { id: \"hflex1\", min: 9, resetStack: true },\n    { id: \"flex1\", min: 11, resetStack: true },\n  ];\n\n  // eslint-disable-next-line no-shadow\n  class CFFParser {\n    constructor(file, properties, seacAnalysisEnabled) {\n      this.bytes = file.getBytes();\n      this.properties = properties;\n      this.seacAnalysisEnabled = !!seacAnalysisEnabled;\n    }\n\n    parse() {\n      var properties = this.properties;\n      var cff = new CFF();\n      this.cff = cff;\n\n      // The first five sections must be in order, all the others are reached\n      // via offsets contained in one of the below.\n      var header = this.parseHeader();\n      var nameIndex = this.parseIndex(header.endPos);\n      var topDictIndex = this.parseIndex(nameIndex.endPos);\n      var stringIndex = this.parseIndex(topDictIndex.endPos);\n      var globalSubrIndex = this.parseIndex(stringIndex.endPos);\n\n      var topDictParsed = this.parseDict(topDictIndex.obj.get(0));\n      var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);\n\n      cff.header = header.obj;\n      cff.names = this.parseNameIndex(nameIndex.obj);\n      cff.strings = this.parseStringIndex(stringIndex.obj);\n      cff.topDict = topDict;\n      cff.globalSubrIndex = globalSubrIndex.obj;\n\n      this.parsePrivateDict(cff.topDict);\n\n      cff.isCIDFont = topDict.hasName(\"ROS\");\n\n      var charStringOffset = topDict.getByName(\"CharStrings\");\n      var charStringIndex = this.parseIndex(charStringOffset).obj;\n\n      var fontMatrix = topDict.getByName(\"FontMatrix\");\n      if (fontMatrix) {\n        properties.fontMatrix = fontMatrix;\n      }\n\n      var fontBBox = topDict.getByName(\"FontBBox\");\n      if (fontBBox) {\n        // adjusting ascent/descent\n        properties.ascent = Math.max(fontBBox[3], fontBBox[1]);\n        properties.descent = Math.min(fontBBox[1], fontBBox[3]);\n        properties.ascentScaled = true;\n      }\n\n      var charset, encoding;\n      if (cff.isCIDFont) {\n        var fdArrayIndex = this.parseIndex(topDict.getByName(\"FDArray\")).obj;\n        for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {\n          var dictRaw = fdArrayIndex.get(i);\n          var fontDict = this.createDict(\n            CFFTopDict,\n            this.parseDict(dictRaw),\n            cff.strings\n          );\n          this.parsePrivateDict(fontDict);\n          cff.fdArray.push(fontDict);\n        }\n        // cid fonts don't have an encoding\n        encoding = null;\n        charset = this.parseCharsets(\n          topDict.getByName(\"charset\"),\n          charStringIndex.count,\n          cff.strings,\n          true\n        );\n        cff.fdSelect = this.parseFDSelect(\n          topDict.getByName(\"FDSelect\"),\n          charStringIndex.count\n        );\n      } else {\n        charset = this.parseCharsets(\n          topDict.getByName(\"charset\"),\n          charStringIndex.count,\n          cff.strings,\n          false\n        );\n        encoding = this.parseEncoding(\n          topDict.getByName(\"Encoding\"),\n          properties,\n          cff.strings,\n          charset.charset\n        );\n      }\n\n      cff.charset = charset;\n      cff.encoding = encoding;\n\n      var charStringsAndSeacs = this.parseCharStrings({\n        charStrings: charStringIndex,\n        localSubrIndex: topDict.privateDict.subrsIndex,\n        globalSubrIndex: globalSubrIndex.obj,\n        fdSelect: cff.fdSelect,\n        fdArray: cff.fdArray,\n        privateDict: topDict.privateDict,\n      });\n      cff.charStrings = charStringsAndSeacs.charStrings;\n      cff.seacs = charStringsAndSeacs.seacs;\n      cff.widths = charStringsAndSeacs.widths;\n\n      return cff;\n    }\n\n    parseHeader() {\n      var bytes = this.bytes;\n      var bytesLength = bytes.length;\n      var offset = 0;\n\n      // Prevent an infinite loop, by checking that the offset is within the\n      // bounds of the bytes array. Necessary in empty, or invalid, font files.\n      while (offset < bytesLength && bytes[offset] !== 1) {\n        ++offset;\n      }\n      if (offset >= bytesLength) {\n        throw new FormatError(\"Invalid CFF header\");\n      }\n      if (offset !== 0) {\n        info(\"cff data is shifted\");\n        bytes = bytes.subarray(offset);\n        this.bytes = bytes;\n      }\n      var major = bytes[0];\n      var minor = bytes[1];\n      var hdrSize = bytes[2];\n      var offSize = bytes[3];\n      var header = new CFFHeader(major, minor, hdrSize, offSize);\n      return { obj: header, endPos: hdrSize };\n    }\n\n    parseDict(dict) {\n      var pos = 0;\n\n      function parseOperand() {\n        var value = dict[pos++];\n        if (value === 30) {\n          return parseFloatOperand();\n        } else if (value === 28) {\n          value = dict[pos++];\n          value = ((value << 24) | (dict[pos++] << 16)) >> 16;\n          return value;\n        } else if (value === 29) {\n          value = dict[pos++];\n          value = (value << 8) | dict[pos++];\n          value = (value << 8) | dict[pos++];\n          value = (value << 8) | dict[pos++];\n          return value;\n        } else if (value >= 32 && value <= 246) {\n          return value - 139;\n        } else if (value >= 247 && value <= 250) {\n          return (value - 247) * 256 + dict[pos++] + 108;\n        } else if (value >= 251 && value <= 254) {\n          return -((value - 251) * 256) - dict[pos++] - 108;\n        }\n        warn('CFFParser_parseDict: \"' + value + '\" is a reserved command.');\n        return NaN;\n      }\n\n      function parseFloatOperand() {\n        var str = \"\";\n        var eof = 15;\n        // prettier-ignore\n        const lookup = [\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\",\n                        \"9\", \".\", \"E\", \"E-\", null, \"-\"];\n        var length = dict.length;\n        while (pos < length) {\n          var b = dict[pos++];\n          var b1 = b >> 4;\n          var b2 = b & 15;\n\n          if (b1 === eof) {\n            break;\n          }\n          str += lookup[b1];\n\n          if (b2 === eof) {\n            break;\n          }\n          str += lookup[b2];\n        }\n        return parseFloat(str);\n      }\n\n      var operands = [];\n      var entries = [];\n\n      pos = 0;\n      var end = dict.length;\n      while (pos < end) {\n        var b = dict[pos];\n        if (b <= 21) {\n          if (b === 12) {\n            b = (b << 8) | dict[++pos];\n          }\n          entries.push([b, operands]);\n          operands = [];\n          ++pos;\n        } else {\n          operands.push(parseOperand());\n        }\n      }\n      return entries;\n    }\n\n    parseIndex(pos) {\n      var cffIndex = new CFFIndex();\n      var bytes = this.bytes;\n      var count = (bytes[pos++] << 8) | bytes[pos++];\n      var offsets = [];\n      var end = pos;\n      var i, ii;\n\n      if (count !== 0) {\n        var offsetSize = bytes[pos++];\n        // add 1 for offset to determine size of last object\n        var startPos = pos + (count + 1) * offsetSize - 1;\n\n        for (i = 0, ii = count + 1; i < ii; ++i) {\n          var offset = 0;\n          for (var j = 0; j < offsetSize; ++j) {\n            offset <<= 8;\n            offset += bytes[pos++];\n          }\n          offsets.push(startPos + offset);\n        }\n        end = offsets[count];\n      }\n      for (i = 0, ii = offsets.length - 1; i < ii; ++i) {\n        var offsetStart = offsets[i];\n        var offsetEnd = offsets[i + 1];\n        cffIndex.add(bytes.subarray(offsetStart, offsetEnd));\n      }\n      return { obj: cffIndex, endPos: end };\n    }\n\n    parseNameIndex(index) {\n      var names = [];\n      for (var i = 0, ii = index.count; i < ii; ++i) {\n        var name = index.get(i);\n        names.push(bytesToString(name));\n      }\n      return names;\n    }\n\n    parseStringIndex(index) {\n      var strings = new CFFStrings();\n      for (var i = 0, ii = index.count; i < ii; ++i) {\n        var data = index.get(i);\n        strings.add(bytesToString(data));\n      }\n      return strings;\n    }\n\n    createDict(Type, dict, strings) {\n      var cffDict = new Type(strings);\n      for (var i = 0, ii = dict.length; i < ii; ++i) {\n        var pair = dict[i];\n        var key = pair[0];\n        var value = pair[1];\n        cffDict.setByKey(key, value);\n      }\n      return cffDict;\n    }\n\n    parseCharString(state, data, localSubrIndex, globalSubrIndex) {\n      if (!data || state.callDepth > MAX_SUBR_NESTING) {\n        return false;\n      }\n      var stackSize = state.stackSize;\n      var stack = state.stack;\n\n      var length = data.length;\n\n      for (var j = 0; j < length; ) {\n        var value = data[j++];\n        var validationCommand = null;\n        if (value === 12) {\n          var q = data[j++];\n          if (q === 0) {\n            // The CFF specification state that the 'dotsection' command\n            // (12, 0) is deprecated and treated as a no-op, but all Type2\n            // charstrings processors should support them. Unfortunately\n            // the font sanitizer don't. As a workaround the sequence (12, 0)\n            // is replaced by a useless (0, hmoveto).\n            data[j - 2] = 139;\n            data[j - 1] = 22;\n            stackSize = 0;\n          } else {\n            validationCommand = CharstringValidationData12[q];\n          }\n        } else if (value === 28) {\n          // number (16 bit)\n          stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16)) >> 16;\n          j += 2;\n          stackSize++;\n        } else if (value === 14) {\n          if (stackSize >= 4) {\n            stackSize -= 4;\n            if (this.seacAnalysisEnabled) {\n              state.seac = stack.slice(stackSize, stackSize + 4);\n              return false;\n            }\n          }\n          validationCommand = CharstringValidationData[value];\n        } else if (value >= 32 && value <= 246) {\n          // number\n          stack[stackSize] = value - 139;\n          stackSize++;\n        } else if (value >= 247 && value <= 254) {\n          // number (+1 bytes)\n          stack[stackSize] =\n            value < 251\n              ? ((value - 247) << 8) + data[j] + 108\n              : -((value - 251) << 8) - data[j] - 108;\n          j++;\n          stackSize++;\n        } else if (value === 255) {\n          // number (32 bit)\n          stack[stackSize] =\n            ((data[j] << 24) |\n              (data[j + 1] << 16) |\n              (data[j + 2] << 8) |\n              data[j + 3]) /\n            65536;\n          j += 4;\n          stackSize++;\n        } else if (value === 19 || value === 20) {\n          state.hints += stackSize >> 1;\n          // skipping right amount of hints flag data\n          j += (state.hints + 7) >> 3;\n          stackSize %= 2;\n          validationCommand = CharstringValidationData[value];\n        } else if (value === 10 || value === 29) {\n          var subrsIndex;\n          if (value === 10) {\n            subrsIndex = localSubrIndex;\n          } else {\n            subrsIndex = globalSubrIndex;\n          }\n          if (!subrsIndex) {\n            validationCommand = CharstringValidationData[value];\n            warn(\"Missing subrsIndex for \" + validationCommand.id);\n            return false;\n          }\n          var bias = 32768;\n          if (subrsIndex.count < 1240) {\n            bias = 107;\n          } else if (subrsIndex.count < 33900) {\n            bias = 1131;\n          }\n          var subrNumber = stack[--stackSize] + bias;\n          if (\n            subrNumber < 0 ||\n            subrNumber >= subrsIndex.count ||\n            isNaN(subrNumber)\n          ) {\n            validationCommand = CharstringValidationData[value];\n            warn(\"Out of bounds subrIndex for \" + validationCommand.id);\n            return false;\n          }\n          state.stackSize = stackSize;\n          state.callDepth++;\n          var valid = this.parseCharString(\n            state,\n            subrsIndex.get(subrNumber),\n            localSubrIndex,\n            globalSubrIndex\n          );\n          if (!valid) {\n            return false;\n          }\n          state.callDepth--;\n          stackSize = state.stackSize;\n          continue;\n        } else if (value === 11) {\n          state.stackSize = stackSize;\n          return true;\n        } else {\n          validationCommand = CharstringValidationData[value];\n        }\n        if (validationCommand) {\n          if (validationCommand.stem) {\n            state.hints += stackSize >> 1;\n            if (value === 3 || value === 23) {\n              // vstem or vstemhm.\n              state.hasVStems = true;\n            } else if (state.hasVStems && (value === 1 || value === 18)) {\n              // Some browsers don't draw glyphs that specify vstems before\n              // hstems. As a workaround, replace hstem (1) and hstemhm (18)\n              // with a pointless vstem (3) or vstemhm (23).\n              warn(\"CFF stem hints are in wrong order\");\n              data[j - 1] = value === 1 ? 3 : 23;\n            }\n          }\n          if (\"min\" in validationCommand) {\n            if (!state.undefStack && stackSize < validationCommand.min) {\n              warn(\n                \"Not enough parameters for \" +\n                  validationCommand.id +\n                  \"; actual: \" +\n                  stackSize +\n                  \", expected: \" +\n                  validationCommand.min\n              );\n              return false;\n            }\n          }\n          if (state.firstStackClearing && validationCommand.stackClearing) {\n            state.firstStackClearing = false;\n            // the optional character width can be found before the first\n            // stack-clearing command arguments\n            stackSize -= validationCommand.min;\n            if (stackSize >= 2 && validationCommand.stem) {\n              // there are even amount of arguments for stem commands\n              stackSize %= 2;\n            } else if (stackSize > 1) {\n              warn(\"Found too many parameters for stack-clearing command\");\n            }\n            if (stackSize > 0 && stack[stackSize - 1] >= 0) {\n              state.width = stack[stackSize - 1];\n            }\n          }\n          if (\"stackDelta\" in validationCommand) {\n            if (\"stackFn\" in validationCommand) {\n              validationCommand.stackFn(stack, stackSize);\n            }\n            stackSize += validationCommand.stackDelta;\n          } else if (validationCommand.stackClearing) {\n            stackSize = 0;\n          } else if (validationCommand.resetStack) {\n            stackSize = 0;\n            state.undefStack = false;\n          } else if (validationCommand.undefStack) {\n            stackSize = 0;\n            state.undefStack = true;\n            state.firstStackClearing = false;\n          }\n        }\n      }\n      state.stackSize = stackSize;\n      return true;\n    }\n\n    parseCharStrings({\n      charStrings,\n      localSubrIndex,\n      globalSubrIndex,\n      fdSelect,\n      fdArray,\n      privateDict,\n    }) {\n      var seacs = [];\n      var widths = [];\n      var count = charStrings.count;\n      for (var i = 0; i < count; i++) {\n        var charstring = charStrings.get(i);\n        var state = {\n          callDepth: 0,\n          stackSize: 0,\n          stack: [],\n          undefStack: true,\n          hints: 0,\n          firstStackClearing: true,\n          seac: null,\n          width: null,\n          hasVStems: false,\n        };\n        var valid = true;\n        var localSubrToUse = null;\n        var privateDictToUse = privateDict;\n        if (fdSelect && fdArray.length) {\n          var fdIndex = fdSelect.getFDIndex(i);\n          if (fdIndex === -1) {\n            warn(\"Glyph index is not in fd select.\");\n            valid = false;\n          }\n          if (fdIndex >= fdArray.length) {\n            warn(\"Invalid fd index for glyph index.\");\n            valid = false;\n          }\n          if (valid) {\n            privateDictToUse = fdArray[fdIndex].privateDict;\n            localSubrToUse = privateDictToUse.subrsIndex;\n          }\n        } else if (localSubrIndex) {\n          localSubrToUse = localSubrIndex;\n        }\n        if (valid) {\n          valid = this.parseCharString(\n            state,\n            charstring,\n            localSubrToUse,\n            globalSubrIndex\n          );\n        }\n        if (state.width !== null) {\n          const nominalWidth = privateDictToUse.getByName(\"nominalWidthX\");\n          widths[i] = nominalWidth + state.width;\n        } else {\n          const defaultWidth = privateDictToUse.getByName(\"defaultWidthX\");\n          widths[i] = defaultWidth;\n        }\n        if (state.seac !== null) {\n          seacs[i] = state.seac;\n        }\n        if (!valid) {\n          // resetting invalid charstring to single 'endchar'\n          charStrings.set(i, new Uint8Array([14]));\n        }\n      }\n      return { charStrings, seacs, widths };\n    }\n\n    emptyPrivateDictionary(parentDict) {\n      var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);\n      parentDict.setByKey(18, [0, 0]);\n      parentDict.privateDict = privateDict;\n    }\n\n    parsePrivateDict(parentDict) {\n      // no private dict, do nothing\n      if (!parentDict.hasName(\"Private\")) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n      var privateOffset = parentDict.getByName(\"Private\");\n      // make sure the params are formatted correctly\n      if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {\n        parentDict.removeByName(\"Private\");\n        return;\n      }\n      var size = privateOffset[0];\n      var offset = privateOffset[1];\n      // remove empty dicts or ones that refer to invalid location\n      if (size === 0 || offset >= this.bytes.length) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n\n      var privateDictEnd = offset + size;\n      var dictData = this.bytes.subarray(offset, privateDictEnd);\n      var dict = this.parseDict(dictData);\n      var privateDict = this.createDict(\n        CFFPrivateDict,\n        dict,\n        parentDict.strings\n      );\n      parentDict.privateDict = privateDict;\n\n      // Parse the Subrs index also since it's relative to the private dict.\n      if (!privateDict.getByName(\"Subrs\")) {\n        return;\n      }\n      var subrsOffset = privateDict.getByName(\"Subrs\");\n      var relativeOffset = offset + subrsOffset;\n      // Validate the offset.\n      if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {\n        this.emptyPrivateDictionary(parentDict);\n        return;\n      }\n      var subrsIndex = this.parseIndex(relativeOffset);\n      privateDict.subrsIndex = subrsIndex.obj;\n    }\n\n    parseCharsets(pos, length, strings, cid) {\n      if (pos === 0) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.ISO_ADOBE,\n          ISOAdobeCharset\n        );\n      } else if (pos === 1) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.EXPERT,\n          ExpertCharset\n        );\n      } else if (pos === 2) {\n        return new CFFCharset(\n          true,\n          CFFCharsetPredefinedTypes.EXPERT_SUBSET,\n          ExpertSubsetCharset\n        );\n      }\n\n      var bytes = this.bytes;\n      var start = pos;\n      var format = bytes[pos++];\n      const charset = [cid ? 0 : \".notdef\"];\n      var id, count, i;\n\n      // subtract 1 for the .notdef glyph\n      length -= 1;\n\n      switch (format) {\n        case 0:\n          for (i = 0; i < length; i++) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            charset.push(cid ? id : strings.get(id));\n          }\n          break;\n        case 1:\n          while (charset.length <= length) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            count = bytes[pos++];\n            for (i = 0; i <= count; i++) {\n              charset.push(cid ? id++ : strings.get(id++));\n            }\n          }\n          break;\n        case 2:\n          while (charset.length <= length) {\n            id = (bytes[pos++] << 8) | bytes[pos++];\n            count = (bytes[pos++] << 8) | bytes[pos++];\n            for (i = 0; i <= count; i++) {\n              charset.push(cid ? id++ : strings.get(id++));\n            }\n          }\n          break;\n        default:\n          throw new FormatError(\"Unknown charset format\");\n      }\n      // Raw won't be needed if we actually compile the charset.\n      var end = pos;\n      var raw = bytes.subarray(start, end);\n\n      return new CFFCharset(false, format, charset, raw);\n    }\n\n    parseEncoding(pos, properties, strings, charset) {\n      var encoding = Object.create(null);\n      var bytes = this.bytes;\n      var predefined = false;\n      var format, i, ii;\n      var raw = null;\n\n      function readSupplement() {\n        var supplementsCount = bytes[pos++];\n        for (i = 0; i < supplementsCount; i++) {\n          var code = bytes[pos++];\n          var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);\n          encoding[code] = charset.indexOf(strings.get(sid));\n        }\n      }\n\n      if (pos === 0 || pos === 1) {\n        predefined = true;\n        format = pos;\n        var baseEncoding = pos ? ExpertEncoding : StandardEncoding;\n        for (i = 0, ii = charset.length; i < ii; i++) {\n          var index = baseEncoding.indexOf(charset[i]);\n          if (index !== -1) {\n            encoding[index] = i;\n          }\n        }\n      } else {\n        var dataStart = pos;\n        format = bytes[pos++];\n        switch (format & 0x7f) {\n          case 0:\n            var glyphsCount = bytes[pos++];\n            for (i = 1; i <= glyphsCount; i++) {\n              encoding[bytes[pos++]] = i;\n            }\n            break;\n\n          case 1:\n            var rangesCount = bytes[pos++];\n            var gid = 1;\n            for (i = 0; i < rangesCount; i++) {\n              var start = bytes[pos++];\n              var left = bytes[pos++];\n              for (var j = start; j <= start + left; j++) {\n                encoding[j] = gid++;\n              }\n            }\n            break;\n\n          default:\n            throw new FormatError(`Unknown encoding format: ${format} in CFF`);\n        }\n        var dataEnd = pos;\n        if (format & 0x80) {\n          // hasSupplement\n          // The font sanitizer does not support CFF encoding with a\n          // supplement, since the encoding is not really used to map\n          // between gid to glyph, let's overwrite what is declared in\n          // the top dictionary to let the sanitizer think the font use\n          // StandardEncoding, that's a lie but that's ok.\n          bytes[dataStart] &= 0x7f;\n          readSupplement();\n        }\n        raw = bytes.subarray(dataStart, dataEnd);\n      }\n      format = format & 0x7f;\n      return new CFFEncoding(predefined, format, encoding, raw);\n    }\n\n    parseFDSelect(pos, length) {\n      var bytes = this.bytes;\n      var format = bytes[pos++];\n      var fdSelect = [];\n      var i;\n\n      switch (format) {\n        case 0:\n          for (i = 0; i < length; ++i) {\n            var id = bytes[pos++];\n            fdSelect.push(id);\n          }\n          break;\n        case 3:\n          var rangesCount = (bytes[pos++] << 8) | bytes[pos++];\n          for (i = 0; i < rangesCount; ++i) {\n            var first = (bytes[pos++] << 8) | bytes[pos++];\n            if (i === 0 && first !== 0) {\n              warn(\n                \"parseFDSelect: The first range must have a first GID of 0\" +\n                  \" -- trying to recover.\"\n              );\n              first = 0;\n            }\n            var fdIndex = bytes[pos++];\n            var next = (bytes[pos] << 8) | bytes[pos + 1];\n            for (var j = first; j < next; ++j) {\n              fdSelect.push(fdIndex);\n            }\n          }\n          // Advance past the sentinel(next).\n          pos += 2;\n          break;\n        default:\n          throw new FormatError(`parseFDSelect: Unknown format \"${format}\".`);\n      }\n      if (fdSelect.length !== length) {\n        throw new FormatError(\"parseFDSelect: Invalid font data.\");\n      }\n\n      return new CFFFDSelect(format, fdSelect);\n    }\n  }\n  return CFFParser;\n})();\n\n// Compact Font Format\nclass CFF {\n  constructor() {\n    this.header = null;\n    this.names = [];\n    this.topDict = null;\n    this.strings = new CFFStrings();\n    this.globalSubrIndex = null;\n\n    // The following could really be per font, but since we only have one font\n    // store them here.\n    this.encoding = null;\n    this.charset = null;\n    this.charStrings = null;\n    this.fdArray = [];\n    this.fdSelect = null;\n\n    this.isCIDFont = false;\n  }\n\n  duplicateFirstGlyph() {\n    // Browsers will not display a glyph at position 0. Typically glyph 0 is\n    // notdef, but a number of fonts put a valid glyph there so it must be\n    // duplicated and appended.\n    if (this.charStrings.count >= 65535) {\n      warn(\"Not enough space in charstrings to duplicate first glyph.\");\n      return;\n    }\n    var glyphZero = this.charStrings.get(0);\n    this.charStrings.add(glyphZero);\n    if (this.isCIDFont) {\n      this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]);\n    }\n  }\n\n  hasGlyphId(id) {\n    if (id < 0 || id >= this.charStrings.count) {\n      return false;\n    }\n    var glyph = this.charStrings.get(id);\n    return glyph.length > 0;\n  }\n}\n\nclass CFFHeader {\n  constructor(major, minor, hdrSize, offSize) {\n    this.major = major;\n    this.minor = minor;\n    this.hdrSize = hdrSize;\n    this.offSize = offSize;\n  }\n}\n\nclass CFFStrings {\n  constructor() {\n    this.strings = [];\n  }\n\n  get(index) {\n    if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) {\n      return CFFStandardStrings[index];\n    }\n    if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) {\n      return this.strings[index - NUM_STANDARD_CFF_STRINGS];\n    }\n    return CFFStandardStrings[0];\n  }\n\n  getSID(str) {\n    let index = CFFStandardStrings.indexOf(str);\n    if (index !== -1) {\n      return index;\n    }\n    index = this.strings.indexOf(str);\n    if (index !== -1) {\n      return index + NUM_STANDARD_CFF_STRINGS;\n    }\n    return -1;\n  }\n\n  add(value) {\n    this.strings.push(value);\n  }\n\n  get count() {\n    return this.strings.length;\n  }\n}\n\nclass CFFIndex {\n  constructor() {\n    this.objects = [];\n    this.length = 0;\n  }\n\n  add(data) {\n    this.length += data.length;\n    this.objects.push(data);\n  }\n\n  set(index, data) {\n    this.length += data.length - this.objects[index].length;\n    this.objects[index] = data;\n  }\n\n  get(index) {\n    return this.objects[index];\n  }\n\n  get count() {\n    return this.objects.length;\n  }\n}\n\nclass CFFDict {\n  constructor(tables, strings) {\n    this.keyToNameMap = tables.keyToNameMap;\n    this.nameToKeyMap = tables.nameToKeyMap;\n    this.defaults = tables.defaults;\n    this.types = tables.types;\n    this.opcodes = tables.opcodes;\n    this.order = tables.order;\n    this.strings = strings;\n    this.values = Object.create(null);\n  }\n\n  // value should always be an array\n  setByKey(key, value) {\n    if (!(key in this.keyToNameMap)) {\n      return false;\n    }\n    var valueLength = value.length;\n    // ignore empty values\n    if (valueLength === 0) {\n      return true;\n    }\n    // Ignore invalid values (fixes bug1068432.pdf and bug1308536.pdf).\n    for (var i = 0; i < valueLength; i++) {\n      if (isNaN(value[i])) {\n        warn('Invalid CFFDict value: \"' + value + '\" for key \"' + key + '\".');\n        return true;\n      }\n    }\n    var type = this.types[key];\n    // remove the array wrapping these types of values\n    if (type === \"num\" || type === \"sid\" || type === \"offset\") {\n      value = value[0];\n    }\n    this.values[key] = value;\n    return true;\n  }\n\n  setByName(name, value) {\n    if (!(name in this.nameToKeyMap)) {\n      throw new FormatError(`Invalid dictionary name \"${name}\"`);\n    }\n    this.values[this.nameToKeyMap[name]] = value;\n  }\n\n  hasName(name) {\n    return this.nameToKeyMap[name] in this.values;\n  }\n\n  getByName(name) {\n    if (!(name in this.nameToKeyMap)) {\n      throw new FormatError(`Invalid dictionary name ${name}\"`);\n    }\n    var key = this.nameToKeyMap[name];\n    if (!(key in this.values)) {\n      return this.defaults[key];\n    }\n    return this.values[key];\n  }\n\n  removeByName(name) {\n    delete this.values[this.nameToKeyMap[name]];\n  }\n\n  static createTables(layout) {\n    var tables = {\n      keyToNameMap: {},\n      nameToKeyMap: {},\n      defaults: {},\n      types: {},\n      opcodes: {},\n      order: [],\n    };\n    for (var i = 0, ii = layout.length; i < ii; ++i) {\n      var entry = layout[i];\n      var key = Array.isArray(entry[0])\n        ? (entry[0][0] << 8) + entry[0][1]\n        : entry[0];\n      tables.keyToNameMap[key] = entry[1];\n      tables.nameToKeyMap[entry[1]] = key;\n      tables.types[key] = entry[2];\n      tables.defaults[key] = entry[3];\n      tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];\n      tables.order.push(key);\n    }\n    return tables;\n  }\n}\n\nvar CFFTopDict = (function CFFTopDictClosure() {\n  var layout = [\n    [[12, 30], \"ROS\", [\"sid\", \"sid\", \"num\"], null],\n    [[12, 20], \"SyntheticBase\", \"num\", null],\n    [0, \"version\", \"sid\", null],\n    [1, \"Notice\", \"sid\", null],\n    [[12, 0], \"Copyright\", \"sid\", null],\n    [2, \"FullName\", \"sid\", null],\n    [3, \"FamilyName\", \"sid\", null],\n    [4, \"Weight\", \"sid\", null],\n    [[12, 1], \"isFixedPitch\", \"num\", 0],\n    [[12, 2], \"ItalicAngle\", \"num\", 0],\n    [[12, 3], \"UnderlinePosition\", \"num\", -100],\n    [[12, 4], \"UnderlineThickness\", \"num\", 50],\n    [[12, 5], \"PaintType\", \"num\", 0],\n    [[12, 6], \"CharstringType\", \"num\", 2],\n    // prettier-ignore\n    [[12, 7], \"FontMatrix\", [\"num\", \"num\", \"num\", \"num\", \"num\", \"num\"],\n                            [0.001, 0, 0, 0.001, 0, 0]],\n    [13, \"UniqueID\", \"num\", null],\n    [5, \"FontBBox\", [\"num\", \"num\", \"num\", \"num\"], [0, 0, 0, 0]],\n    [[12, 8], \"StrokeWidth\", \"num\", 0],\n    [14, \"XUID\", \"array\", null],\n    [15, \"charset\", \"offset\", 0],\n    [16, \"Encoding\", \"offset\", 0],\n    [17, \"CharStrings\", \"offset\", 0],\n    [18, \"Private\", [\"offset\", \"offset\"], null],\n    [[12, 21], \"PostScript\", \"sid\", null],\n    [[12, 22], \"BaseFontName\", \"sid\", null],\n    [[12, 23], \"BaseFontBlend\", \"delta\", null],\n    [[12, 31], \"CIDFontVersion\", \"num\", 0],\n    [[12, 32], \"CIDFontRevision\", \"num\", 0],\n    [[12, 33], \"CIDFontType\", \"num\", 0],\n    [[12, 34], \"CIDCount\", \"num\", 8720],\n    [[12, 35], \"UIDBase\", \"num\", null],\n    // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes\n    // before FDArray.\n    [[12, 37], \"FDSelect\", \"offset\", null],\n    [[12, 36], \"FDArray\", \"offset\", null],\n    [[12, 38], \"FontName\", \"sid\", null],\n  ];\n  var tables = null;\n\n  // eslint-disable-next-line no-shadow\n  class CFFTopDict extends CFFDict {\n    constructor(strings) {\n      if (tables === null) {\n        tables = CFFDict.createTables(layout);\n      }\n      super(tables, strings);\n      this.privateDict = null;\n    }\n  }\n  return CFFTopDict;\n})();\n\nvar CFFPrivateDict = (function CFFPrivateDictClosure() {\n  var layout = [\n    [6, \"BlueValues\", \"delta\", null],\n    [7, \"OtherBlues\", \"delta\", null],\n    [8, \"FamilyBlues\", \"delta\", null],\n    [9, \"FamilyOtherBlues\", \"delta\", null],\n    [[12, 9], \"BlueScale\", \"num\", 0.039625],\n    [[12, 10], \"BlueShift\", \"num\", 7],\n    [[12, 11], \"BlueFuzz\", \"num\", 1],\n    [10, \"StdHW\", \"num\", null],\n    [11, \"StdVW\", \"num\", null],\n    [[12, 12], \"StemSnapH\", \"delta\", null],\n    [[12, 13], \"StemSnapV\", \"delta\", null],\n    [[12, 14], \"ForceBold\", \"num\", 0],\n    [[12, 17], \"LanguageGroup\", \"num\", 0],\n    [[12, 18], \"ExpansionFactor\", \"num\", 0.06],\n    [[12, 19], \"initialRandomSeed\", \"num\", 0],\n    [20, \"defaultWidthX\", \"num\", 0],\n    [21, \"nominalWidthX\", \"num\", 0],\n    [19, \"Subrs\", \"offset\", null],\n  ];\n  var tables = null;\n\n  // eslint-disable-next-line no-shadow\n  class CFFPrivateDict extends CFFDict {\n    constructor(strings) {\n      if (tables === null) {\n        tables = CFFDict.createTables(layout);\n      }\n      super(tables, strings);\n      this.subrsIndex = null;\n    }\n  }\n  return CFFPrivateDict;\n})();\n\nvar CFFCharsetPredefinedTypes = {\n  ISO_ADOBE: 0,\n  EXPERT: 1,\n  EXPERT_SUBSET: 2,\n};\nclass CFFCharset {\n  constructor(predefined, format, charset, raw) {\n    this.predefined = predefined;\n    this.format = format;\n    this.charset = charset;\n    this.raw = raw;\n  }\n}\n\nclass CFFEncoding {\n  constructor(predefined, format, encoding, raw) {\n    this.predefined = predefined;\n    this.format = format;\n    this.encoding = encoding;\n    this.raw = raw;\n  }\n}\n\nclass CFFFDSelect {\n  constructor(format, fdSelect) {\n    this.format = format;\n    this.fdSelect = fdSelect;\n  }\n\n  getFDIndex(glyphIndex) {\n    if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {\n      return -1;\n    }\n    return this.fdSelect[glyphIndex];\n  }\n}\n\n// Helper class to keep track of where an offset is within the data and helps\n// filling in that offset once it's known.\nclass CFFOffsetTracker {\n  constructor() {\n    this.offsets = Object.create(null);\n  }\n\n  isTracking(key) {\n    return key in this.offsets;\n  }\n\n  track(key, location) {\n    if (key in this.offsets) {\n      throw new FormatError(`Already tracking location of ${key}`);\n    }\n    this.offsets[key] = location;\n  }\n\n  offset(value) {\n    for (var key in this.offsets) {\n      this.offsets[key] += value;\n    }\n  }\n\n  setEntryLocation(key, values, output) {\n    if (!(key in this.offsets)) {\n      throw new FormatError(`Not tracking location of ${key}`);\n    }\n    var data = output.data;\n    var dataOffset = this.offsets[key];\n    var size = 5;\n    for (var i = 0, ii = values.length; i < ii; ++i) {\n      var offset0 = i * size + dataOffset;\n      var offset1 = offset0 + 1;\n      var offset2 = offset0 + 2;\n      var offset3 = offset0 + 3;\n      var offset4 = offset0 + 4;\n      // It's easy to screw up offsets so perform this sanity check.\n      if (\n        data[offset0] !== 0x1d ||\n        data[offset1] !== 0 ||\n        data[offset2] !== 0 ||\n        data[offset3] !== 0 ||\n        data[offset4] !== 0\n      ) {\n        throw new FormatError(\"writing to an offset that is not empty\");\n      }\n      var value = values[i];\n      data[offset0] = 0x1d;\n      data[offset1] = (value >> 24) & 0xff;\n      data[offset2] = (value >> 16) & 0xff;\n      data[offset3] = (value >> 8) & 0xff;\n      data[offset4] = value & 0xff;\n    }\n  }\n}\n\n// Takes a CFF and converts it to the binary representation.\nclass CFFCompiler {\n  constructor(cff) {\n    this.cff = cff;\n  }\n\n  compile() {\n    var cff = this.cff;\n    var output = {\n      data: [],\n      length: 0,\n      add: function CFFCompiler_add(data) {\n        this.data = this.data.concat(data);\n        this.length = this.data.length;\n      },\n    };\n\n    // Compile the five entries that must be in order.\n    var header = this.compileHeader(cff.header);\n    output.add(header);\n\n    var nameIndex = this.compileNameIndex(cff.names);\n    output.add(nameIndex);\n\n    if (cff.isCIDFont) {\n      // The spec is unclear on how font matrices should relate to each other\n      // when there is one in the main top dict and the sub top dicts.\n      // Windows handles this differently than linux and osx so we have to\n      // normalize to work on all.\n      // Rules based off of some mailing list discussions:\n      // - If main font has a matrix and subfont doesn't, use the main matrix.\n      // - If no main font matrix and there is a subfont matrix, use the\n      //   subfont matrix.\n      // - If both have matrices, concat together.\n      // - If neither have matrices, use default.\n      // To make this work on all platforms we move the top matrix into each\n      // sub top dict and concat if necessary.\n      if (cff.topDict.hasName(\"FontMatrix\")) {\n        var base = cff.topDict.getByName(\"FontMatrix\");\n        cff.topDict.removeByName(\"FontMatrix\");\n        for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {\n          var subDict = cff.fdArray[i];\n          var matrix = base.slice(0);\n          if (subDict.hasName(\"FontMatrix\")) {\n            matrix = Util.transform(matrix, subDict.getByName(\"FontMatrix\"));\n          }\n          subDict.setByName(\"FontMatrix\", matrix);\n        }\n      }\n    }\n\n    cff.topDict.setByName(\"charset\", 0);\n    var compiled = this.compileTopDicts(\n      [cff.topDict],\n      output.length,\n      cff.isCIDFont\n    );\n    output.add(compiled.output);\n    var topDictTracker = compiled.trackers[0];\n\n    var stringIndex = this.compileStringIndex(cff.strings.strings);\n    output.add(stringIndex);\n\n    var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);\n    output.add(globalSubrIndex);\n\n    // Now start on the other entries that have no specific order.\n    if (cff.encoding && cff.topDict.hasName(\"Encoding\")) {\n      if (cff.encoding.predefined) {\n        topDictTracker.setEntryLocation(\n          \"Encoding\",\n          [cff.encoding.format],\n          output\n        );\n      } else {\n        var encoding = this.compileEncoding(cff.encoding);\n        topDictTracker.setEntryLocation(\"Encoding\", [output.length], output);\n        output.add(encoding);\n      }\n    }\n    var charset = this.compileCharset(\n      cff.charset,\n      cff.charStrings.count,\n      cff.strings,\n      cff.isCIDFont\n    );\n    topDictTracker.setEntryLocation(\"charset\", [output.length], output);\n    output.add(charset);\n\n    var charStrings = this.compileCharStrings(cff.charStrings);\n    topDictTracker.setEntryLocation(\"CharStrings\", [output.length], output);\n    output.add(charStrings);\n\n    if (cff.isCIDFont) {\n      // For some reason FDSelect must be in front of FDArray on windows. OSX\n      // and linux don't seem to care.\n      topDictTracker.setEntryLocation(\"FDSelect\", [output.length], output);\n      var fdSelect = this.compileFDSelect(cff.fdSelect);\n      output.add(fdSelect);\n      // It is unclear if the sub font dictionary can have CID related\n      // dictionary keys, but the sanitizer doesn't like them so remove them.\n      compiled = this.compileTopDicts(cff.fdArray, output.length, true);\n      topDictTracker.setEntryLocation(\"FDArray\", [output.length], output);\n      output.add(compiled.output);\n      var fontDictTrackers = compiled.trackers;\n\n      this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);\n    }\n\n    this.compilePrivateDicts([cff.topDict], [topDictTracker], output);\n\n    // If the font data ends with INDEX whose object data is zero-length,\n    // the sanitizer will bail out. Add a dummy byte to avoid that.\n    output.add([0]);\n\n    return output.data;\n  }\n\n  encodeNumber(value) {\n    if (Number.isInteger(value)) {\n      return this.encodeInteger(value);\n    }\n    return this.encodeFloat(value);\n  }\n\n  static get EncodeFloatRegExp() {\n    return shadow(\n      this,\n      \"EncodeFloatRegExp\",\n      /\\.(\\d*?)(?:9{5,20}|0{5,20})\\d{0,2}(?:e(.+)|$)/\n    );\n  }\n\n  encodeFloat(num) {\n    var value = num.toString();\n\n    // Rounding inaccurate doubles.\n    var m = CFFCompiler.EncodeFloatRegExp.exec(value);\n    if (m) {\n      var epsilon = parseFloat(\"1e\" + ((m[2] ? +m[2] : 0) + m[1].length));\n      value = (Math.round(num * epsilon) / epsilon).toString();\n    }\n\n    var nibbles = \"\";\n    var i, ii;\n    for (i = 0, ii = value.length; i < ii; ++i) {\n      var a = value[i];\n      if (a === \"e\") {\n        nibbles += value[++i] === \"-\" ? \"c\" : \"b\";\n      } else if (a === \".\") {\n        nibbles += \"a\";\n      } else if (a === \"-\") {\n        nibbles += \"e\";\n      } else {\n        nibbles += a;\n      }\n    }\n    nibbles += nibbles.length & 1 ? \"f\" : \"ff\";\n    var out = [30];\n    for (i = 0, ii = nibbles.length; i < ii; i += 2) {\n      out.push(parseInt(nibbles.substring(i, i + 2), 16));\n    }\n    return out;\n  }\n\n  encodeInteger(value) {\n    var code;\n    if (value >= -107 && value <= 107) {\n      code = [value + 139];\n    } else if (value >= 108 && value <= 1131) {\n      value = value - 108;\n      code = [(value >> 8) + 247, value & 0xff];\n    } else if (value >= -1131 && value <= -108) {\n      value = -value - 108;\n      code = [(value >> 8) + 251, value & 0xff];\n    } else if (value >= -32768 && value <= 32767) {\n      code = [0x1c, (value >> 8) & 0xff, value & 0xff];\n    } else {\n      code = [\n        0x1d,\n        (value >> 24) & 0xff,\n        (value >> 16) & 0xff,\n        (value >> 8) & 0xff,\n        value & 0xff,\n      ];\n    }\n    return code;\n  }\n\n  compileHeader(header) {\n    return [header.major, header.minor, header.hdrSize, header.offSize];\n  }\n\n  compileNameIndex(names) {\n    var nameIndex = new CFFIndex();\n    for (var i = 0, ii = names.length; i < ii; ++i) {\n      var name = names[i];\n      // OTS doesn't allow names to be over 127 characters.\n      var length = Math.min(name.length, 127);\n      var sanitizedName = new Array(length);\n      for (var j = 0; j < length; j++) {\n        // OTS requires chars to be between a range and not certain other\n        // chars.\n        var char = name[j];\n        if (\n          char < \"!\" ||\n          char > \"~\" ||\n          char === \"[\" ||\n          char === \"]\" ||\n          char === \"(\" ||\n          char === \")\" ||\n          char === \"{\" ||\n          char === \"}\" ||\n          char === \"<\" ||\n          char === \">\" ||\n          char === \"/\" ||\n          char === \"%\"\n        ) {\n          char = \"_\";\n        }\n        sanitizedName[j] = char;\n      }\n      sanitizedName = sanitizedName.join(\"\");\n\n      if (sanitizedName === \"\") {\n        sanitizedName = \"Bad_Font_Name\";\n      }\n      nameIndex.add(stringToBytes(sanitizedName));\n    }\n    return this.compileIndex(nameIndex);\n  }\n\n  compileTopDicts(dicts, length, removeCidKeys) {\n    var fontDictTrackers = [];\n    var fdArrayIndex = new CFFIndex();\n    for (var i = 0, ii = dicts.length; i < ii; ++i) {\n      var fontDict = dicts[i];\n      if (removeCidKeys) {\n        fontDict.removeByName(\"CIDFontVersion\");\n        fontDict.removeByName(\"CIDFontRevision\");\n        fontDict.removeByName(\"CIDFontType\");\n        fontDict.removeByName(\"CIDCount\");\n        fontDict.removeByName(\"UIDBase\");\n      }\n      var fontDictTracker = new CFFOffsetTracker();\n      var fontDictData = this.compileDict(fontDict, fontDictTracker);\n      fontDictTrackers.push(fontDictTracker);\n      fdArrayIndex.add(fontDictData);\n      fontDictTracker.offset(length);\n    }\n    fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);\n    return {\n      trackers: fontDictTrackers,\n      output: fdArrayIndex,\n    };\n  }\n\n  compilePrivateDicts(dicts, trackers, output) {\n    for (var i = 0, ii = dicts.length; i < ii; ++i) {\n      var fontDict = dicts[i];\n      var privateDict = fontDict.privateDict;\n      if (!privateDict || !fontDict.hasName(\"Private\")) {\n        throw new FormatError(\"There must be a private dictionary.\");\n      }\n      var privateDictTracker = new CFFOffsetTracker();\n      var privateDictData = this.compileDict(privateDict, privateDictTracker);\n\n      var outputLength = output.length;\n      privateDictTracker.offset(outputLength);\n      if (!privateDictData.length) {\n        // The private dictionary was empty, set the output length to zero to\n        // ensure the offset length isn't out of bounds in the eyes of the\n        // sanitizer.\n        outputLength = 0;\n      }\n\n      trackers[i].setEntryLocation(\n        \"Private\",\n        [privateDictData.length, outputLength],\n        output\n      );\n      output.add(privateDictData);\n\n      if (privateDict.subrsIndex && privateDict.hasName(\"Subrs\")) {\n        var subrs = this.compileIndex(privateDict.subrsIndex);\n        privateDictTracker.setEntryLocation(\n          \"Subrs\",\n          [privateDictData.length],\n          output\n        );\n        output.add(subrs);\n      }\n    }\n  }\n\n  compileDict(dict, offsetTracker) {\n    var out = [];\n    // The dictionary keys must be in a certain order.\n    var order = dict.order;\n    for (var i = 0; i < order.length; ++i) {\n      var key = order[i];\n      if (!(key in dict.values)) {\n        continue;\n      }\n      var values = dict.values[key];\n      var types = dict.types[key];\n      if (!Array.isArray(types)) {\n        types = [types];\n      }\n      if (!Array.isArray(values)) {\n        values = [values];\n      }\n\n      // Remove any empty dict values.\n      if (values.length === 0) {\n        continue;\n      }\n\n      for (var j = 0, jj = types.length; j < jj; ++j) {\n        var type = types[j];\n        var value = values[j];\n        switch (type) {\n          case \"num\":\n          case \"sid\":\n            out = out.concat(this.encodeNumber(value));\n            break;\n          case \"offset\":\n            // For offsets we just insert a 32bit integer so we don't have to\n            // deal with figuring out the length of the offset when it gets\n            // replaced later on by the compiler.\n            var name = dict.keyToNameMap[key];\n            // Some offsets have the offset and the length, so just record the\n            // position of the first one.\n            if (!offsetTracker.isTracking(name)) {\n              offsetTracker.track(name, out.length);\n            }\n            out = out.concat([0x1d, 0, 0, 0, 0]);\n            break;\n          case \"array\":\n          case \"delta\":\n            out = out.concat(this.encodeNumber(value));\n            for (var k = 1, kk = values.length; k < kk; ++k) {\n              out = out.concat(this.encodeNumber(values[k]));\n            }\n            break;\n          default:\n            throw new FormatError(`Unknown data type of ${type}`);\n        }\n      }\n      out = out.concat(dict.opcodes[key]);\n    }\n    return out;\n  }\n\n  compileStringIndex(strings) {\n    var stringIndex = new CFFIndex();\n    for (var i = 0, ii = strings.length; i < ii; ++i) {\n      stringIndex.add(stringToBytes(strings[i]));\n    }\n    return this.compileIndex(stringIndex);\n  }\n\n  compileGlobalSubrIndex() {\n    var globalSubrIndex = this.cff.globalSubrIndex;\n    this.out.writeByteArray(this.compileIndex(globalSubrIndex));\n  }\n\n  compileCharStrings(charStrings) {\n    var charStringsIndex = new CFFIndex();\n    for (var i = 0; i < charStrings.count; i++) {\n      var glyph = charStrings.get(i);\n      // If the CharString outline is empty, replace it with .notdef to\n      // prevent OTS from rejecting the font (fixes bug1252420.pdf).\n      if (glyph.length === 0) {\n        charStringsIndex.add(new Uint8Array([0x8b, 0x0e]));\n        continue;\n      }\n      charStringsIndex.add(glyph);\n    }\n    return this.compileIndex(charStringsIndex);\n  }\n\n  compileCharset(charset, numGlyphs, strings, isCIDFont) {\n    // Freetype requires the number of charset strings be correct and MacOS\n    // requires a valid mapping for printing.\n    let out;\n    const numGlyphsLessNotDef = numGlyphs - 1;\n    if (isCIDFont) {\n      // In a CID font, the charset is a mapping of CIDs not SIDs so just\n      // create an identity mapping.\n      out = new Uint8Array([\n        2, // format\n        0, // first CID upper byte\n        0, // first CID lower byte\n        (numGlyphsLessNotDef >> 8) & 0xff,\n        numGlyphsLessNotDef & 0xff,\n      ]);\n    } else {\n      const length = 1 + numGlyphsLessNotDef * 2;\n      out = new Uint8Array(length);\n      out[0] = 0; // format 0\n      let charsetIndex = 0;\n      const numCharsets = charset.charset.length;\n      let warned = false;\n      for (let i = 1; i < out.length; i += 2) {\n        let sid = 0;\n        if (charsetIndex < numCharsets) {\n          const name = charset.charset[charsetIndex++];\n          sid = strings.getSID(name);\n          if (sid === -1) {\n            sid = 0;\n            if (!warned) {\n              warned = true;\n              warn(`Couldn't find ${name} in CFF strings`);\n            }\n          }\n        }\n        out[i] = (sid >> 8) & 0xff;\n        out[i + 1] = sid & 0xff;\n      }\n    }\n    return this.compileTypedArray(out);\n  }\n\n  compileEncoding(encoding) {\n    return this.compileTypedArray(encoding.raw);\n  }\n\n  compileFDSelect(fdSelect) {\n    const format = fdSelect.format;\n    let out, i;\n    switch (format) {\n      case 0:\n        out = new Uint8Array(1 + fdSelect.fdSelect.length);\n        out[0] = format;\n        for (i = 0; i < fdSelect.fdSelect.length; i++) {\n          out[i + 1] = fdSelect.fdSelect[i];\n        }\n        break;\n      case 3:\n        const start = 0;\n        let lastFD = fdSelect.fdSelect[0];\n        const ranges = [\n          format,\n          0, // nRanges place holder\n          0, // nRanges place holder\n          (start >> 8) & 0xff,\n          start & 0xff,\n          lastFD,\n        ];\n        for (i = 1; i < fdSelect.fdSelect.length; i++) {\n          const currentFD = fdSelect.fdSelect[i];\n          if (currentFD !== lastFD) {\n            ranges.push((i >> 8) & 0xff, i & 0xff, currentFD);\n            lastFD = currentFD;\n          }\n        }\n        // 3 bytes are pushed for every range and there are 3 header bytes.\n        const numRanges = (ranges.length - 3) / 3;\n        ranges[1] = (numRanges >> 8) & 0xff;\n        ranges[2] = numRanges & 0xff;\n        // sentinel\n        ranges.push((i >> 8) & 0xff, i & 0xff);\n        out = new Uint8Array(ranges);\n        break;\n    }\n    return this.compileTypedArray(out);\n  }\n\n  compileTypedArray(data) {\n    var out = [];\n    for (var i = 0, ii = data.length; i < ii; ++i) {\n      out[i] = data[i];\n    }\n    return out;\n  }\n\n  compileIndex(index, trackers = []) {\n    var objects = index.objects;\n    // First 2 bytes contains the number of objects contained into this index\n    var count = objects.length;\n\n    // If there is no object, just create an index. This technically\n    // should just be [0, 0] but OTS has an issue with that.\n    if (count === 0) {\n      return [0, 0, 0];\n    }\n\n    var data = [(count >> 8) & 0xff, count & 0xff];\n\n    var lastOffset = 1,\n      i;\n    for (i = 0; i < count; ++i) {\n      lastOffset += objects[i].length;\n    }\n\n    var offsetSize;\n    if (lastOffset < 0x100) {\n      offsetSize = 1;\n    } else if (lastOffset < 0x10000) {\n      offsetSize = 2;\n    } else if (lastOffset < 0x1000000) {\n      offsetSize = 3;\n    } else {\n      offsetSize = 4;\n    }\n\n    // Next byte contains the offset size use to reference object in the file\n    data.push(offsetSize);\n\n    // Add another offset after this one because we need a new offset\n    var relativeOffset = 1;\n    for (i = 0; i < count + 1; i++) {\n      if (offsetSize === 1) {\n        data.push(relativeOffset & 0xff);\n      } else if (offsetSize === 2) {\n        data.push((relativeOffset >> 8) & 0xff, relativeOffset & 0xff);\n      } else if (offsetSize === 3) {\n        data.push(\n          (relativeOffset >> 16) & 0xff,\n          (relativeOffset >> 8) & 0xff,\n          relativeOffset & 0xff\n        );\n      } else {\n        data.push(\n          (relativeOffset >>> 24) & 0xff,\n          (relativeOffset >> 16) & 0xff,\n          (relativeOffset >> 8) & 0xff,\n          relativeOffset & 0xff\n        );\n      }\n\n      if (objects[i]) {\n        relativeOffset += objects[i].length;\n      }\n    }\n\n    for (i = 0; i < count; i++) {\n      // Notify the tracker where the object will be offset in the data.\n      if (trackers[i]) {\n        trackers[i].offset(data.length);\n      }\n      for (var j = 0, jj = objects[i].length; j < jj; j++) {\n        data.push(objects[i][j]);\n      }\n    }\n    return data;\n  }\n}\n\nexport {\n  CFFStandardStrings,\n  CFFParser,\n  CFF,\n  CFFHeader,\n  CFFStrings,\n  CFFIndex,\n  CFFCharset,\n  CFFTopDict,\n  CFFPrivateDict,\n  CFFCompiler,\n  CFFFDSelect,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// prettier-ignore\nconst ISOAdobeCharset = [\n  \".notdef\", \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\",\n  \"percent\", \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\",\n  \"asterisk\", \"plus\", \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\",\n  \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\",\n  \"nine\", \"colon\", \"semicolon\", \"less\", \"equal\", \"greater\", \"question\",\n  \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\", \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\",\n  \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\", \"V\", \"W\", \"X\", \"Y\", \"Z\",\n  \"bracketleft\", \"backslash\", \"bracketright\", \"asciicircum\", \"underscore\",\n  \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\", \"i\", \"j\", \"k\", \"l\",\n  \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\", \"w\", \"x\", \"y\", \"z\",\n  \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"exclamdown\", \"cent\",\n  \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"paragraph\", \"bullet\", \"quotesinglbase\",\n  \"quotedblbase\", \"quotedblright\", \"guillemotright\", \"ellipsis\",\n  \"perthousand\", \"questiondown\", \"grave\", \"acute\", \"circumflex\", \"tilde\",\n  \"macron\", \"breve\", \"dotaccent\", \"dieresis\", \"ring\", \"cedilla\",\n  \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\", \"AE\", \"ordfeminine\",\n  \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"ae\", \"dotlessi\", \"lslash\",\n  \"oslash\", \"oe\", \"germandbls\", \"onesuperior\", \"logicalnot\", \"mu\",\n  \"trademark\", \"Eth\", \"onehalf\", \"plusminus\", \"Thorn\", \"onequarter\",\n  \"divide\", \"brokenbar\", \"degree\", \"thorn\", \"threequarters\", \"twosuperior\",\n  \"registered\", \"minus\", \"eth\", \"multiply\", \"threesuperior\", \"copyright\",\n  \"Aacute\", \"Acircumflex\", \"Adieresis\", \"Agrave\", \"Aring\", \"Atilde\",\n  \"Ccedilla\", \"Eacute\", \"Ecircumflex\", \"Edieresis\", \"Egrave\", \"Iacute\",\n  \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Ntilde\", \"Oacute\", \"Ocircumflex\",\n  \"Odieresis\", \"Ograve\", \"Otilde\", \"Scaron\", \"Uacute\", \"Ucircumflex\",\n  \"Udieresis\", \"Ugrave\", \"Yacute\", \"Ydieresis\", \"Zcaron\", \"aacute\",\n  \"acircumflex\", \"adieresis\", \"agrave\", \"aring\", \"atilde\", \"ccedilla\",\n  \"eacute\", \"ecircumflex\", \"edieresis\", \"egrave\", \"iacute\", \"icircumflex\",\n  \"idieresis\", \"igrave\", \"ntilde\", \"oacute\", \"ocircumflex\", \"odieresis\",\n  \"ograve\", \"otilde\", \"scaron\", \"uacute\", \"ucircumflex\", \"udieresis\",\n  \"ugrave\", \"yacute\", \"ydieresis\", \"zcaron\"\n];\n\n// prettier-ignore\nconst ExpertCharset = [\n  \".notdef\", \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"dollaroldstyle\",\n  \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\", \"parenleftsuperior\",\n  \"parenrightsuperior\", \"twodotenleader\", \"onedotenleader\", \"comma\",\n  \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\", \"oneoldstyle\",\n  \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\",\n  \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\",\n  \"colon\", \"semicolon\", \"commasuperior\", \"threequartersemdash\",\n  \"periodsuperior\", \"questionsmall\", \"asuperior\", \"bsuperior\",\n  \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\", \"lsuperior\",\n  \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\",\n  \"parenrightinferior\", \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\",\n  \"Asmall\", \"Bsmall\", \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\",\n  \"Hsmall\", \"Ismall\", \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\",\n  \"Osmall\", \"Psmall\", \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\",\n  \"Vsmall\", \"Wsmall\", \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\",\n  \"onefitted\", \"rupiah\", \"Tildesmall\", \"exclamdownsmall\", \"centoldstyle\",\n  \"Lslashsmall\", \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\",\n  \"Brevesmall\", \"Caronsmall\", \"Dotaccentsmall\", \"Macronsmall\",\n  \"figuredash\", \"hypheninferior\", \"Ogoneksmall\", \"Ringsmall\",\n  \"Cedillasmall\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondownsmall\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"zerosuperior\", \"onesuperior\",\n  \"twosuperior\", \"threesuperior\", \"foursuperior\", \"fivesuperior\",\n  \"sixsuperior\", \"sevensuperior\", \"eightsuperior\", \"ninesuperior\",\n  \"zeroinferior\", \"oneinferior\", \"twoinferior\", \"threeinferior\",\n  \"fourinferior\", \"fiveinferior\", \"sixinferior\", \"seveninferior\",\n  \"eightinferior\", \"nineinferior\", \"centinferior\", \"dollarinferior\",\n  \"periodinferior\", \"commainferior\", \"Agravesmall\", \"Aacutesmall\",\n  \"Acircumflexsmall\", \"Atildesmall\", \"Adieresissmall\", \"Aringsmall\",\n  \"AEsmall\", \"Ccedillasmall\", \"Egravesmall\", \"Eacutesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Igravesmall\", \"Iacutesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ethsmall\", \"Ntildesmall\",\n  \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\", \"Otildesmall\",\n  \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\", \"Uacutesmall\",\n  \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\", \"Thornsmall\",\n  \"Ydieresissmall\"\n];\n\n// prettier-ignore\nconst ExpertSubsetCharset = [\n  \".notdef\", \"space\", \"dollaroldstyle\", \"dollarsuperior\",\n  \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"comma\", \"hyphen\", \"period\", \"fraction\",\n  \"zerooldstyle\", \"oneoldstyle\", \"twooldstyle\", \"threeoldstyle\",\n  \"fouroldstyle\", \"fiveoldstyle\", \"sixoldstyle\", \"sevenoldstyle\",\n  \"eightoldstyle\", \"nineoldstyle\", \"colon\", \"semicolon\", \"commasuperior\",\n  \"threequartersemdash\", \"periodsuperior\", \"asuperior\", \"bsuperior\",\n  \"centsuperior\", \"dsuperior\", \"esuperior\", \"isuperior\", \"lsuperior\",\n  \"msuperior\", \"nsuperior\", \"osuperior\", \"rsuperior\", \"ssuperior\",\n  \"tsuperior\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\",\n  \"parenrightinferior\", \"hyphensuperior\", \"colonmonetary\", \"onefitted\",\n  \"rupiah\", \"centoldstyle\", \"figuredash\", \"hypheninferior\", \"onequarter\",\n  \"onehalf\", \"threequarters\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"zerosuperior\", \"onesuperior\",\n  \"twosuperior\", \"threesuperior\", \"foursuperior\", \"fivesuperior\",\n  \"sixsuperior\", \"sevensuperior\", \"eightsuperior\", \"ninesuperior\",\n  \"zeroinferior\", \"oneinferior\", \"twoinferior\", \"threeinferior\",\n  \"fourinferior\", \"fiveinferior\", \"sixinferior\", \"seveninferior\",\n  \"eightinferior\", \"nineinferior\", \"centinferior\", \"dollarinferior\",\n  \"periodinferior\", \"commainferior\"\n];\n\nexport { ISOAdobeCharset, ExpertCharset, ExpertSubsetCharset };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// prettier-ignore\nconst ExpertEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"\", \"dollaroldstyle\",\n  \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\", \"parenleftsuperior\",\n  \"parenrightsuperior\", \"twodotenleader\", \"onedotenleader\", \"comma\",\n  \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\", \"oneoldstyle\",\n  \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\", \"fiveoldstyle\",\n  \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\", \"nineoldstyle\", \"colon\",\n  \"semicolon\", \"commasuperior\", \"threequartersemdash\", \"periodsuperior\",\n  \"questionsmall\", \"\", \"asuperior\", \"bsuperior\", \"centsuperior\", \"dsuperior\",\n  \"esuperior\", \"\", \"\", \"\", \"isuperior\", \"\", \"\", \"lsuperior\", \"msuperior\",\n  \"nsuperior\", \"osuperior\", \"\", \"\", \"rsuperior\", \"ssuperior\", \"tsuperior\",\n  \"\", \"ff\", \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\", \"\",\n  \"parenrightinferior\", \"Circumflexsmall\", \"hyphensuperior\", \"Gravesmall\",\n  \"Asmall\", \"Bsmall\", \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\",\n  \"Hsmall\", \"Ismall\", \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\",\n  \"Osmall\", \"Psmall\", \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\",\n  \"Vsmall\", \"Wsmall\", \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\",\n  \"onefitted\", \"rupiah\", \"Tildesmall\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"exclamdownsmall\", \"centoldstyle\", \"Lslashsmall\",\n  \"\", \"\", \"Scaronsmall\", \"Zcaronsmall\", \"Dieresissmall\", \"Brevesmall\",\n  \"Caronsmall\", \"\", \"Dotaccentsmall\", \"\", \"\", \"Macronsmall\", \"\", \"\",\n  \"figuredash\", \"hypheninferior\", \"\", \"\", \"Ogoneksmall\", \"Ringsmall\",\n  \"Cedillasmall\", \"\", \"\", \"\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondownsmall\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"\", \"\", \"zerosuperior\",\n  \"onesuperior\", \"twosuperior\", \"threesuperior\", \"foursuperior\",\n  \"fivesuperior\", \"sixsuperior\", \"sevensuperior\", \"eightsuperior\",\n  \"ninesuperior\", \"zeroinferior\", \"oneinferior\", \"twoinferior\",\n  \"threeinferior\", \"fourinferior\", \"fiveinferior\", \"sixinferior\",\n  \"seveninferior\", \"eightinferior\", \"nineinferior\", \"centinferior\",\n  \"dollarinferior\", \"periodinferior\", \"commainferior\", \"Agravesmall\",\n  \"Aacutesmall\", \"Acircumflexsmall\", \"Atildesmall\", \"Adieresissmall\",\n  \"Aringsmall\", \"AEsmall\", \"Ccedillasmall\", \"Egravesmall\", \"Eacutesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Igravesmall\", \"Iacutesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ethsmall\", \"Ntildesmall\",\n  \"Ogravesmall\", \"Oacutesmall\", \"Ocircumflexsmall\", \"Otildesmall\",\n  \"Odieresissmall\", \"OEsmall\", \"Oslashsmall\", \"Ugravesmall\", \"Uacutesmall\",\n  \"Ucircumflexsmall\", \"Udieresissmall\", \"Yacutesmall\", \"Thornsmall\",\n  \"Ydieresissmall\"];\n\n// prettier-ignore\nconst MacExpertEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclamsmall\", \"Hungarumlautsmall\", \"centoldstyle\",\n  \"dollaroldstyle\", \"dollarsuperior\", \"ampersandsmall\", \"Acutesmall\",\n  \"parenleftsuperior\", \"parenrightsuperior\", \"twodotenleader\",\n  \"onedotenleader\", \"comma\", \"hyphen\", \"period\", \"fraction\", \"zerooldstyle\",\n  \"oneoldstyle\", \"twooldstyle\", \"threeoldstyle\", \"fouroldstyle\",\n  \"fiveoldstyle\", \"sixoldstyle\", \"sevenoldstyle\", \"eightoldstyle\",\n  \"nineoldstyle\", \"colon\", \"semicolon\", \"\", \"threequartersemdash\", \"\",\n  \"questionsmall\", \"\", \"\", \"\", \"\", \"Ethsmall\", \"\", \"\", \"onequarter\",\n  \"onehalf\", \"threequarters\", \"oneeighth\", \"threeeighths\", \"fiveeighths\",\n  \"seveneighths\", \"onethird\", \"twothirds\", \"\", \"\", \"\", \"\", \"\", \"\", \"ff\",\n  \"fi\", \"fl\", \"ffi\", \"ffl\", \"parenleftinferior\", \"\", \"parenrightinferior\",\n  \"Circumflexsmall\", \"hypheninferior\", \"Gravesmall\", \"Asmall\", \"Bsmall\",\n  \"Csmall\", \"Dsmall\", \"Esmall\", \"Fsmall\", \"Gsmall\", \"Hsmall\", \"Ismall\",\n  \"Jsmall\", \"Ksmall\", \"Lsmall\", \"Msmall\", \"Nsmall\", \"Osmall\", \"Psmall\",\n  \"Qsmall\", \"Rsmall\", \"Ssmall\", \"Tsmall\", \"Usmall\", \"Vsmall\", \"Wsmall\",\n  \"Xsmall\", \"Ysmall\", \"Zsmall\", \"colonmonetary\", \"onefitted\", \"rupiah\",\n  \"Tildesmall\", \"\", \"\", \"asuperior\", \"centsuperior\", \"\", \"\", \"\", \"\",\n  \"Aacutesmall\", \"Agravesmall\", \"Acircumflexsmall\", \"Adieresissmall\",\n  \"Atildesmall\", \"Aringsmall\", \"Ccedillasmall\", \"Eacutesmall\", \"Egravesmall\",\n  \"Ecircumflexsmall\", \"Edieresissmall\", \"Iacutesmall\", \"Igravesmall\",\n  \"Icircumflexsmall\", \"Idieresissmall\", \"Ntildesmall\", \"Oacutesmall\",\n  \"Ogravesmall\", \"Ocircumflexsmall\", \"Odieresissmall\", \"Otildesmall\",\n  \"Uacutesmall\", \"Ugravesmall\", \"Ucircumflexsmall\", \"Udieresissmall\", \"\",\n  \"eightsuperior\", \"fourinferior\", \"threeinferior\", \"sixinferior\",\n  \"eightinferior\", \"seveninferior\", \"Scaronsmall\", \"\", \"centinferior\",\n  \"twoinferior\", \"\", \"Dieresissmall\", \"\", \"Caronsmall\", \"osuperior\",\n  \"fiveinferior\", \"\", \"commainferior\", \"periodinferior\", \"Yacutesmall\", \"\",\n  \"dollarinferior\", \"\", \"\", \"Thornsmall\", \"\", \"nineinferior\", \"zeroinferior\",\n  \"Zcaronsmall\", \"AEsmall\", \"Oslashsmall\", \"questiondownsmall\",\n  \"oneinferior\", \"Lslashsmall\", \"\", \"\", \"\", \"\", \"\", \"\", \"Cedillasmall\", \"\",\n  \"\", \"\", \"\", \"\", \"OEsmall\", \"figuredash\", \"hyphensuperior\", \"\", \"\", \"\", \"\",\n  \"exclamdownsmall\", \"\", \"Ydieresissmall\", \"\", \"onesuperior\", \"twosuperior\",\n  \"threesuperior\", \"foursuperior\", \"fivesuperior\", \"sixsuperior\",\n  \"sevensuperior\", \"ninesuperior\", \"zerosuperior\", \"\", \"esuperior\",\n  \"rsuperior\", \"tsuperior\", \"\", \"\", \"isuperior\", \"ssuperior\", \"dsuperior\",\n  \"\", \"\", \"\", \"\", \"\", \"lsuperior\", \"Ogoneksmall\", \"Brevesmall\",\n  \"Macronsmall\", \"bsuperior\", \"nsuperior\", \"msuperior\", \"commasuperior\",\n  \"periodsuperior\", \"Dotaccentsmall\", \"Ringsmall\", \"\", \"\", \"\", \"\"];\n\n// prettier-ignore\nconst MacRomanEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quotesingle\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\",\n  \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\",\n  \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\", \"\",\n  \"Adieresis\", \"Aring\", \"Ccedilla\", \"Eacute\", \"Ntilde\", \"Odieresis\",\n  \"Udieresis\", \"aacute\", \"agrave\", \"acircumflex\", \"adieresis\", \"atilde\",\n  \"aring\", \"ccedilla\", \"eacute\", \"egrave\", \"ecircumflex\", \"edieresis\",\n  \"iacute\", \"igrave\", \"icircumflex\", \"idieresis\", \"ntilde\", \"oacute\",\n  \"ograve\", \"ocircumflex\", \"odieresis\", \"otilde\", \"uacute\", \"ugrave\",\n  \"ucircumflex\", \"udieresis\", \"dagger\", \"degree\", \"cent\", \"sterling\",\n  \"section\", \"bullet\", \"paragraph\", \"germandbls\", \"registered\", \"copyright\",\n  \"trademark\", \"acute\", \"dieresis\", \"notequal\", \"AE\", \"Oslash\", \"infinity\",\n  \"plusminus\", \"lessequal\", \"greaterequal\", \"yen\", \"mu\", \"partialdiff\",\n  \"summation\", \"product\", \"pi\", \"integral\", \"ordfeminine\", \"ordmasculine\",\n  \"Omega\", \"ae\", \"oslash\", \"questiondown\", \"exclamdown\", \"logicalnot\",\n  \"radical\", \"florin\", \"approxequal\", \"Delta\", \"guillemotleft\",\n  \"guillemotright\", \"ellipsis\", \"space\", \"Agrave\", \"Atilde\", \"Otilde\", \"OE\",\n  \"oe\", \"endash\", \"emdash\", \"quotedblleft\", \"quotedblright\", \"quoteleft\",\n  \"quoteright\", \"divide\", \"lozenge\", \"ydieresis\", \"Ydieresis\", \"fraction\",\n  \"currency\", \"guilsinglleft\", \"guilsinglright\", \"fi\", \"fl\", \"daggerdbl\",\n  \"periodcentered\", \"quotesinglbase\", \"quotedblbase\", \"perthousand\",\n  \"Acircumflex\", \"Ecircumflex\", \"Aacute\", \"Edieresis\", \"Egrave\", \"Iacute\",\n  \"Icircumflex\", \"Idieresis\", \"Igrave\", \"Oacute\", \"Ocircumflex\", \"apple\",\n  \"Ograve\", \"Uacute\", \"Ucircumflex\", \"Ugrave\", \"dotlessi\", \"circumflex\",\n  \"tilde\", \"macron\", \"breve\", \"dotaccent\", \"ring\", \"cedilla\", \"hungarumlaut\",\n  \"ogonek\", \"caron\"];\n\n// prettier-ignore\nconst StandardEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quoteright\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"quoteleft\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\",\n  \"g\", \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\",\n  \"v\", \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"exclamdown\",\n  \"cent\", \"sterling\", \"fraction\", \"yen\", \"florin\", \"section\", \"currency\",\n  \"quotesingle\", \"quotedblleft\", \"guillemotleft\", \"guilsinglleft\",\n  \"guilsinglright\", \"fi\", \"fl\", \"\", \"endash\", \"dagger\", \"daggerdbl\",\n  \"periodcentered\", \"\", \"paragraph\", \"bullet\", \"quotesinglbase\",\n  \"quotedblbase\", \"quotedblright\", \"guillemotright\", \"ellipsis\",\n  \"perthousand\", \"\", \"questiondown\", \"\", \"grave\", \"acute\", \"circumflex\",\n  \"tilde\", \"macron\", \"breve\", \"dotaccent\", \"dieresis\", \"\", \"ring\", \"cedilla\",\n  \"\", \"hungarumlaut\", \"ogonek\", \"caron\", \"emdash\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"AE\", \"\", \"ordfeminine\", \"\", \"\",\n  \"\", \"\", \"Lslash\", \"Oslash\", \"OE\", \"ordmasculine\", \"\", \"\", \"\", \"\", \"\", \"ae\",\n  \"\", \"\", \"\", \"dotlessi\", \"\", \"\", \"lslash\", \"oslash\", \"oe\", \"germandbls\", \"\",\n  \"\", \"\", \"\"];\n\n// prettier-ignore\nconst WinAnsiEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"quotedbl\", \"numbersign\", \"dollar\", \"percent\",\n  \"ampersand\", \"quotesingle\", \"parenleft\", \"parenright\", \"asterisk\", \"plus\",\n  \"comma\", \"hyphen\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\",\n  \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\",\n  \"less\", \"equal\", \"greater\", \"question\", \"at\", \"A\", \"B\", \"C\", \"D\", \"E\", \"F\",\n  \"G\", \"H\", \"I\", \"J\", \"K\", \"L\", \"M\", \"N\", \"O\", \"P\", \"Q\", \"R\", \"S\", \"T\", \"U\",\n  \"V\", \"W\", \"X\", \"Y\", \"Z\", \"bracketleft\", \"backslash\", \"bracketright\",\n  \"asciicircum\", \"underscore\", \"grave\", \"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\",\n  \"h\", \"i\", \"j\", \"k\", \"l\", \"m\", \"n\", \"o\", \"p\", \"q\", \"r\", \"s\", \"t\", \"u\", \"v\",\n  \"w\", \"x\", \"y\", \"z\", \"braceleft\", \"bar\", \"braceright\", \"asciitilde\",\n  \"bullet\", \"Euro\", \"bullet\", \"quotesinglbase\", \"florin\", \"quotedblbase\",\n  \"ellipsis\", \"dagger\", \"daggerdbl\", \"circumflex\", \"perthousand\", \"Scaron\",\n  \"guilsinglleft\", \"OE\", \"bullet\", \"Zcaron\", \"bullet\", \"bullet\", \"quoteleft\",\n  \"quoteright\", \"quotedblleft\", \"quotedblright\", \"bullet\", \"endash\",\n  \"emdash\", \"tilde\", \"trademark\", \"scaron\", \"guilsinglright\", \"oe\", \"bullet\",\n  \"zcaron\", \"Ydieresis\", \"space\", \"exclamdown\", \"cent\", \"sterling\",\n  \"currency\", \"yen\", \"brokenbar\", \"section\", \"dieresis\", \"copyright\",\n  \"ordfeminine\", \"guillemotleft\", \"logicalnot\", \"hyphen\", \"registered\",\n  \"macron\", \"degree\", \"plusminus\", \"twosuperior\", \"threesuperior\", \"acute\",\n  \"mu\", \"paragraph\", \"periodcentered\", \"cedilla\", \"onesuperior\",\n  \"ordmasculine\", \"guillemotright\", \"onequarter\", \"onehalf\", \"threequarters\",\n  \"questiondown\", \"Agrave\", \"Aacute\", \"Acircumflex\", \"Atilde\", \"Adieresis\",\n  \"Aring\", \"AE\", \"Ccedilla\", \"Egrave\", \"Eacute\", \"Ecircumflex\", \"Edieresis\",\n  \"Igrave\", \"Iacute\", \"Icircumflex\", \"Idieresis\", \"Eth\", \"Ntilde\", \"Ograve\",\n  \"Oacute\", \"Ocircumflex\", \"Otilde\", \"Odieresis\", \"multiply\", \"Oslash\",\n  \"Ugrave\", \"Uacute\", \"Ucircumflex\", \"Udieresis\", \"Yacute\", \"Thorn\",\n  \"germandbls\", \"agrave\", \"aacute\", \"acircumflex\", \"atilde\", \"adieresis\",\n  \"aring\", \"ae\", \"ccedilla\", \"egrave\", \"eacute\", \"ecircumflex\", \"edieresis\",\n  \"igrave\", \"iacute\", \"icircumflex\", \"idieresis\", \"eth\", \"ntilde\", \"ograve\",\n  \"oacute\", \"ocircumflex\", \"otilde\", \"odieresis\", \"divide\", \"oslash\",\n  \"ugrave\", \"uacute\", \"ucircumflex\", \"udieresis\", \"yacute\", \"thorn\",\n  \"ydieresis\"];\n\n// prettier-ignore\nconst SymbolSetEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"exclam\", \"universal\", \"numbersign\", \"existential\", \"percent\",\n  \"ampersand\", \"suchthat\", \"parenleft\", \"parenright\", \"asteriskmath\", \"plus\",\n  \"comma\", \"minus\", \"period\", \"slash\", \"zero\", \"one\", \"two\", \"three\", \"four\",\n  \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"colon\", \"semicolon\", \"less\",\n  \"equal\", \"greater\", \"question\", \"congruent\", \"Alpha\", \"Beta\", \"Chi\",\n  \"Delta\", \"Epsilon\", \"Phi\", \"Gamma\", \"Eta\", \"Iota\", \"theta1\", \"Kappa\",\n  \"Lambda\", \"Mu\", \"Nu\", \"Omicron\", \"Pi\", \"Theta\", \"Rho\", \"Sigma\", \"Tau\",\n  \"Upsilon\", \"sigma1\", \"Omega\", \"Xi\", \"Psi\", \"Zeta\", \"bracketleft\",\n  \"therefore\", \"bracketright\", \"perpendicular\", \"underscore\", \"radicalex\",\n  \"alpha\", \"beta\", \"chi\", \"delta\", \"epsilon\", \"phi\", \"gamma\", \"eta\", \"iota\",\n  \"phi1\", \"kappa\", \"lambda\", \"mu\", \"nu\", \"omicron\", \"pi\", \"theta\", \"rho\",\n  \"sigma\", \"tau\", \"upsilon\", \"omega1\", \"omega\", \"xi\", \"psi\", \"zeta\",\n  \"braceleft\", \"bar\", \"braceright\", \"similar\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"Euro\", \"Upsilon1\", \"minute\", \"lessequal\",\n  \"fraction\", \"infinity\", \"florin\", \"club\", \"diamond\", \"heart\", \"spade\",\n  \"arrowboth\", \"arrowleft\", \"arrowup\", \"arrowright\", \"arrowdown\", \"degree\",\n  \"plusminus\", \"second\", \"greaterequal\", \"multiply\", \"proportional\",\n  \"partialdiff\", \"bullet\", \"divide\", \"notequal\", \"equivalence\",\n  \"approxequal\", \"ellipsis\", \"arrowvertex\", \"arrowhorizex\", \"carriagereturn\",\n  \"aleph\", \"Ifraktur\", \"Rfraktur\", \"weierstrass\", \"circlemultiply\",\n  \"circleplus\", \"emptyset\", \"intersection\", \"union\", \"propersuperset\",\n  \"reflexsuperset\", \"notsubset\", \"propersubset\", \"reflexsubset\", \"element\",\n  \"notelement\", \"angle\", \"gradient\", \"registerserif\", \"copyrightserif\",\n  \"trademarkserif\", \"product\", \"radical\", \"dotmath\", \"logicalnot\",\n  \"logicaland\", \"logicalor\", \"arrowdblboth\", \"arrowdblleft\", \"arrowdblup\",\n  \"arrowdblright\", \"arrowdbldown\", \"lozenge\", \"angleleft\", \"registersans\",\n  \"copyrightsans\", \"trademarksans\", \"summation\", \"parenlefttp\",\n  \"parenleftex\", \"parenleftbt\", \"bracketlefttp\", \"bracketleftex\",\n  \"bracketleftbt\", \"bracelefttp\", \"braceleftmid\", \"braceleftbt\", \"braceex\",\n  \"\", \"angleright\", \"integral\", \"integraltp\", \"integralex\", \"integralbt\",\n  \"parenrighttp\", \"parenrightex\", \"parenrightbt\", \"bracketrighttp\",\n  \"bracketrightex\", \"bracketrightbt\", \"bracerighttp\", \"bracerightmid\",\n  \"bracerightbt\", \"\"];\n\n// prettier-ignore\nconst ZapfDingbatsEncoding = [\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"space\", \"a1\", \"a2\", \"a202\", \"a3\", \"a4\", \"a5\", \"a119\", \"a118\", \"a117\",\n  \"a11\", \"a12\", \"a13\", \"a14\", \"a15\", \"a16\", \"a105\", \"a17\", \"a18\", \"a19\",\n  \"a20\", \"a21\", \"a22\", \"a23\", \"a24\", \"a25\", \"a26\", \"a27\", \"a28\", \"a6\", \"a7\",\n  \"a8\", \"a9\", \"a10\", \"a29\", \"a30\", \"a31\", \"a32\", \"a33\", \"a34\", \"a35\", \"a36\",\n  \"a37\", \"a38\", \"a39\", \"a40\", \"a41\", \"a42\", \"a43\", \"a44\", \"a45\", \"a46\",\n  \"a47\", \"a48\", \"a49\", \"a50\", \"a51\", \"a52\", \"a53\", \"a54\", \"a55\", \"a56\",\n  \"a57\", \"a58\", \"a59\", \"a60\", \"a61\", \"a62\", \"a63\", \"a64\", \"a65\", \"a66\",\n  \"a67\", \"a68\", \"a69\", \"a70\", \"a71\", \"a72\", \"a73\", \"a74\", \"a203\", \"a75\",\n  \"a204\", \"a76\", \"a77\", \"a78\", \"a79\", \"a81\", \"a82\", \"a83\", \"a84\", \"a97\",\n  \"a98\", \"a99\", \"a100\", \"\", \"a89\", \"a90\", \"a93\", \"a94\", \"a91\", \"a92\", \"a205\",\n  \"a85\", \"a206\", \"a86\", \"a87\", \"a88\", \"a95\", \"a96\", \"\", \"\", \"\", \"\", \"\", \"\",\n  \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"\", \"a101\", \"a102\", \"a103\",\n  \"a104\", \"a106\", \"a107\", \"a108\", \"a112\", \"a111\", \"a110\", \"a109\", \"a120\",\n  \"a121\", \"a122\", \"a123\", \"a124\", \"a125\", \"a126\", \"a127\", \"a128\", \"a129\",\n  \"a130\", \"a131\", \"a132\", \"a133\", \"a134\", \"a135\", \"a136\", \"a137\", \"a138\",\n  \"a139\", \"a140\", \"a141\", \"a142\", \"a143\", \"a144\", \"a145\", \"a146\", \"a147\",\n  \"a148\", \"a149\", \"a150\", \"a151\", \"a152\", \"a153\", \"a154\", \"a155\", \"a156\",\n  \"a157\", \"a158\", \"a159\", \"a160\", \"a161\", \"a163\", \"a164\", \"a196\", \"a165\",\n  \"a192\", \"a166\", \"a167\", \"a168\", \"a169\", \"a170\", \"a171\", \"a172\", \"a173\",\n  \"a162\", \"a174\", \"a175\", \"a176\", \"a177\", \"a178\", \"a179\", \"a193\", \"a180\",\n  \"a199\", \"a181\", \"a200\", \"a182\", \"\", \"a201\", \"a183\", \"a184\", \"a197\", \"a185\",\n  \"a194\", \"a198\", \"a186\", \"a195\", \"a187\", \"a188\", \"a189\", \"a190\", \"a191\", \"\"];\n\nfunction getEncoding(encodingName) {\n  switch (encodingName) {\n    case \"WinAnsiEncoding\":\n      return WinAnsiEncoding;\n    case \"StandardEncoding\":\n      return StandardEncoding;\n    case \"MacRomanEncoding\":\n      return MacRomanEncoding;\n    case \"SymbolSetEncoding\":\n      return SymbolSetEncoding;\n    case \"ZapfDingbatsEncoding\":\n      return ZapfDingbatsEncoding;\n    case \"ExpertEncoding\":\n      return ExpertEncoding;\n    case \"MacExpertEncoding\":\n      return MacExpertEncoding;\n    default:\n      return null;\n  }\n}\n\nexport {\n  WinAnsiEncoding,\n  StandardEncoding,\n  MacRomanEncoding,\n  SymbolSetEncoding,\n  ZapfDingbatsEncoding,\n  ExpertEncoding,\n  getEncoding,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* no-babel-preset */\n\nvar getLookupTableFactory = require(\"./core_utils.js\").getLookupTableFactory;\n\nvar getGlyphsUnicode = getLookupTableFactory(function (t) {\n  t.A = 0x0041;\n  t.AE = 0x00c6;\n  t.AEacute = 0x01fc;\n  t.AEmacron = 0x01e2;\n  t.AEsmall = 0xf7e6;\n  t.Aacute = 0x00c1;\n  t.Aacutesmall = 0xf7e1;\n  t.Abreve = 0x0102;\n  t.Abreveacute = 0x1eae;\n  t.Abrevecyrillic = 0x04d0;\n  t.Abrevedotbelow = 0x1eb6;\n  t.Abrevegrave = 0x1eb0;\n  t.Abrevehookabove = 0x1eb2;\n  t.Abrevetilde = 0x1eb4;\n  t.Acaron = 0x01cd;\n  t.Acircle = 0x24b6;\n  t.Acircumflex = 0x00c2;\n  t.Acircumflexacute = 0x1ea4;\n  t.Acircumflexdotbelow = 0x1eac;\n  t.Acircumflexgrave = 0x1ea6;\n  t.Acircumflexhookabove = 0x1ea8;\n  t.Acircumflexsmall = 0xf7e2;\n  t.Acircumflextilde = 0x1eaa;\n  t.Acute = 0xf6c9;\n  t.Acutesmall = 0xf7b4;\n  t.Acyrillic = 0x0410;\n  t.Adblgrave = 0x0200;\n  t.Adieresis = 0x00c4;\n  t.Adieresiscyrillic = 0x04d2;\n  t.Adieresismacron = 0x01de;\n  t.Adieresissmall = 0xf7e4;\n  t.Adotbelow = 0x1ea0;\n  t.Adotmacron = 0x01e0;\n  t.Agrave = 0x00c0;\n  t.Agravesmall = 0xf7e0;\n  t.Ahookabove = 0x1ea2;\n  t.Aiecyrillic = 0x04d4;\n  t.Ainvertedbreve = 0x0202;\n  t.Alpha = 0x0391;\n  t.Alphatonos = 0x0386;\n  t.Amacron = 0x0100;\n  t.Amonospace = 0xff21;\n  t.Aogonek = 0x0104;\n  t.Aring = 0x00c5;\n  t.Aringacute = 0x01fa;\n  t.Aringbelow = 0x1e00;\n  t.Aringsmall = 0xf7e5;\n  t.Asmall = 0xf761;\n  t.Atilde = 0x00c3;\n  t.Atildesmall = 0xf7e3;\n  t.Aybarmenian = 0x0531;\n  t.B = 0x0042;\n  t.Bcircle = 0x24b7;\n  t.Bdotaccent = 0x1e02;\n  t.Bdotbelow = 0x1e04;\n  t.Becyrillic = 0x0411;\n  t.Benarmenian = 0x0532;\n  t.Beta = 0x0392;\n  t.Bhook = 0x0181;\n  t.Blinebelow = 0x1e06;\n  t.Bmonospace = 0xff22;\n  t.Brevesmall = 0xf6f4;\n  t.Bsmall = 0xf762;\n  t.Btopbar = 0x0182;\n  t.C = 0x0043;\n  t.Caarmenian = 0x053e;\n  t.Cacute = 0x0106;\n  t.Caron = 0xf6ca;\n  t.Caronsmall = 0xf6f5;\n  t.Ccaron = 0x010c;\n  t.Ccedilla = 0x00c7;\n  t.Ccedillaacute = 0x1e08;\n  t.Ccedillasmall = 0xf7e7;\n  t.Ccircle = 0x24b8;\n  t.Ccircumflex = 0x0108;\n  t.Cdot = 0x010a;\n  t.Cdotaccent = 0x010a;\n  t.Cedillasmall = 0xf7b8;\n  t.Chaarmenian = 0x0549;\n  t.Cheabkhasiancyrillic = 0x04bc;\n  t.Checyrillic = 0x0427;\n  t.Chedescenderabkhasiancyrillic = 0x04be;\n  t.Chedescendercyrillic = 0x04b6;\n  t.Chedieresiscyrillic = 0x04f4;\n  t.Cheharmenian = 0x0543;\n  t.Chekhakassiancyrillic = 0x04cb;\n  t.Cheverticalstrokecyrillic = 0x04b8;\n  t.Chi = 0x03a7;\n  t.Chook = 0x0187;\n  t.Circumflexsmall = 0xf6f6;\n  t.Cmonospace = 0xff23;\n  t.Coarmenian = 0x0551;\n  t.Csmall = 0xf763;\n  t.D = 0x0044;\n  t.DZ = 0x01f1;\n  t.DZcaron = 0x01c4;\n  t.Daarmenian = 0x0534;\n  t.Dafrican = 0x0189;\n  t.Dcaron = 0x010e;\n  t.Dcedilla = 0x1e10;\n  t.Dcircle = 0x24b9;\n  t.Dcircumflexbelow = 0x1e12;\n  t.Dcroat = 0x0110;\n  t.Ddotaccent = 0x1e0a;\n  t.Ddotbelow = 0x1e0c;\n  t.Decyrillic = 0x0414;\n  t.Deicoptic = 0x03ee;\n  t.Delta = 0x2206;\n  t.Deltagreek = 0x0394;\n  t.Dhook = 0x018a;\n  t.Dieresis = 0xf6cb;\n  t.DieresisAcute = 0xf6cc;\n  t.DieresisGrave = 0xf6cd;\n  t.Dieresissmall = 0xf7a8;\n  t.Digammagreek = 0x03dc;\n  t.Djecyrillic = 0x0402;\n  t.Dlinebelow = 0x1e0e;\n  t.Dmonospace = 0xff24;\n  t.Dotaccentsmall = 0xf6f7;\n  t.Dslash = 0x0110;\n  t.Dsmall = 0xf764;\n  t.Dtopbar = 0x018b;\n  t.Dz = 0x01f2;\n  t.Dzcaron = 0x01c5;\n  t.Dzeabkhasiancyrillic = 0x04e0;\n  t.Dzecyrillic = 0x0405;\n  t.Dzhecyrillic = 0x040f;\n  t.E = 0x0045;\n  t.Eacute = 0x00c9;\n  t.Eacutesmall = 0xf7e9;\n  t.Ebreve = 0x0114;\n  t.Ecaron = 0x011a;\n  t.Ecedillabreve = 0x1e1c;\n  t.Echarmenian = 0x0535;\n  t.Ecircle = 0x24ba;\n  t.Ecircumflex = 0x00ca;\n  t.Ecircumflexacute = 0x1ebe;\n  t.Ecircumflexbelow = 0x1e18;\n  t.Ecircumflexdotbelow = 0x1ec6;\n  t.Ecircumflexgrave = 0x1ec0;\n  t.Ecircumflexhookabove = 0x1ec2;\n  t.Ecircumflexsmall = 0xf7ea;\n  t.Ecircumflextilde = 0x1ec4;\n  t.Ecyrillic = 0x0404;\n  t.Edblgrave = 0x0204;\n  t.Edieresis = 0x00cb;\n  t.Edieresissmall = 0xf7eb;\n  t.Edot = 0x0116;\n  t.Edotaccent = 0x0116;\n  t.Edotbelow = 0x1eb8;\n  t.Efcyrillic = 0x0424;\n  t.Egrave = 0x00c8;\n  t.Egravesmall = 0xf7e8;\n  t.Eharmenian = 0x0537;\n  t.Ehookabove = 0x1eba;\n  t.Eightroman = 0x2167;\n  t.Einvertedbreve = 0x0206;\n  t.Eiotifiedcyrillic = 0x0464;\n  t.Elcyrillic = 0x041b;\n  t.Elevenroman = 0x216a;\n  t.Emacron = 0x0112;\n  t.Emacronacute = 0x1e16;\n  t.Emacrongrave = 0x1e14;\n  t.Emcyrillic = 0x041c;\n  t.Emonospace = 0xff25;\n  t.Encyrillic = 0x041d;\n  t.Endescendercyrillic = 0x04a2;\n  t.Eng = 0x014a;\n  t.Enghecyrillic = 0x04a4;\n  t.Enhookcyrillic = 0x04c7;\n  t.Eogonek = 0x0118;\n  t.Eopen = 0x0190;\n  t.Epsilon = 0x0395;\n  t.Epsilontonos = 0x0388;\n  t.Ercyrillic = 0x0420;\n  t.Ereversed = 0x018e;\n  t.Ereversedcyrillic = 0x042d;\n  t.Escyrillic = 0x0421;\n  t.Esdescendercyrillic = 0x04aa;\n  t.Esh = 0x01a9;\n  t.Esmall = 0xf765;\n  t.Eta = 0x0397;\n  t.Etarmenian = 0x0538;\n  t.Etatonos = 0x0389;\n  t.Eth = 0x00d0;\n  t.Ethsmall = 0xf7f0;\n  t.Etilde = 0x1ebc;\n  t.Etildebelow = 0x1e1a;\n  t.Euro = 0x20ac;\n  t.Ezh = 0x01b7;\n  t.Ezhcaron = 0x01ee;\n  t.Ezhreversed = 0x01b8;\n  t.F = 0x0046;\n  t.Fcircle = 0x24bb;\n  t.Fdotaccent = 0x1e1e;\n  t.Feharmenian = 0x0556;\n  t.Feicoptic = 0x03e4;\n  t.Fhook = 0x0191;\n  t.Fitacyrillic = 0x0472;\n  t.Fiveroman = 0x2164;\n  t.Fmonospace = 0xff26;\n  t.Fourroman = 0x2163;\n  t.Fsmall = 0xf766;\n  t.G = 0x0047;\n  t.GBsquare = 0x3387;\n  t.Gacute = 0x01f4;\n  t.Gamma = 0x0393;\n  t.Gammaafrican = 0x0194;\n  t.Gangiacoptic = 0x03ea;\n  t.Gbreve = 0x011e;\n  t.Gcaron = 0x01e6;\n  t.Gcedilla = 0x0122;\n  t.Gcircle = 0x24bc;\n  t.Gcircumflex = 0x011c;\n  t.Gcommaaccent = 0x0122;\n  t.Gdot = 0x0120;\n  t.Gdotaccent = 0x0120;\n  t.Gecyrillic = 0x0413;\n  t.Ghadarmenian = 0x0542;\n  t.Ghemiddlehookcyrillic = 0x0494;\n  t.Ghestrokecyrillic = 0x0492;\n  t.Gheupturncyrillic = 0x0490;\n  t.Ghook = 0x0193;\n  t.Gimarmenian = 0x0533;\n  t.Gjecyrillic = 0x0403;\n  t.Gmacron = 0x1e20;\n  t.Gmonospace = 0xff27;\n  t.Grave = 0xf6ce;\n  t.Gravesmall = 0xf760;\n  t.Gsmall = 0xf767;\n  t.Gsmallhook = 0x029b;\n  t.Gstroke = 0x01e4;\n  t.H = 0x0048;\n  t.H18533 = 0x25cf;\n  t.H18543 = 0x25aa;\n  t.H18551 = 0x25ab;\n  t.H22073 = 0x25a1;\n  t.HPsquare = 0x33cb;\n  t.Haabkhasiancyrillic = 0x04a8;\n  t.Hadescendercyrillic = 0x04b2;\n  t.Hardsigncyrillic = 0x042a;\n  t.Hbar = 0x0126;\n  t.Hbrevebelow = 0x1e2a;\n  t.Hcedilla = 0x1e28;\n  t.Hcircle = 0x24bd;\n  t.Hcircumflex = 0x0124;\n  t.Hdieresis = 0x1e26;\n  t.Hdotaccent = 0x1e22;\n  t.Hdotbelow = 0x1e24;\n  t.Hmonospace = 0xff28;\n  t.Hoarmenian = 0x0540;\n  t.Horicoptic = 0x03e8;\n  t.Hsmall = 0xf768;\n  t.Hungarumlaut = 0xf6cf;\n  t.Hungarumlautsmall = 0xf6f8;\n  t.Hzsquare = 0x3390;\n  t.I = 0x0049;\n  t.IAcyrillic = 0x042f;\n  t.IJ = 0x0132;\n  t.IUcyrillic = 0x042e;\n  t.Iacute = 0x00cd;\n  t.Iacutesmall = 0xf7ed;\n  t.Ibreve = 0x012c;\n  t.Icaron = 0x01cf;\n  t.Icircle = 0x24be;\n  t.Icircumflex = 0x00ce;\n  t.Icircumflexsmall = 0xf7ee;\n  t.Icyrillic = 0x0406;\n  t.Idblgrave = 0x0208;\n  t.Idieresis = 0x00cf;\n  t.Idieresisacute = 0x1e2e;\n  t.Idieresiscyrillic = 0x04e4;\n  t.Idieresissmall = 0xf7ef;\n  t.Idot = 0x0130;\n  t.Idotaccent = 0x0130;\n  t.Idotbelow = 0x1eca;\n  t.Iebrevecyrillic = 0x04d6;\n  t.Iecyrillic = 0x0415;\n  t.Ifraktur = 0x2111;\n  t.Igrave = 0x00cc;\n  t.Igravesmall = 0xf7ec;\n  t.Ihookabove = 0x1ec8;\n  t.Iicyrillic = 0x0418;\n  t.Iinvertedbreve = 0x020a;\n  t.Iishortcyrillic = 0x0419;\n  t.Imacron = 0x012a;\n  t.Imacroncyrillic = 0x04e2;\n  t.Imonospace = 0xff29;\n  t.Iniarmenian = 0x053b;\n  t.Iocyrillic = 0x0401;\n  t.Iogonek = 0x012e;\n  t.Iota = 0x0399;\n  t.Iotaafrican = 0x0196;\n  t.Iotadieresis = 0x03aa;\n  t.Iotatonos = 0x038a;\n  t.Ismall = 0xf769;\n  t.Istroke = 0x0197;\n  t.Itilde = 0x0128;\n  t.Itildebelow = 0x1e2c;\n  t.Izhitsacyrillic = 0x0474;\n  t.Izhitsadblgravecyrillic = 0x0476;\n  t.J = 0x004a;\n  t.Jaarmenian = 0x0541;\n  t.Jcircle = 0x24bf;\n  t.Jcircumflex = 0x0134;\n  t.Jecyrillic = 0x0408;\n  t.Jheharmenian = 0x054b;\n  t.Jmonospace = 0xff2a;\n  t.Jsmall = 0xf76a;\n  t.K = 0x004b;\n  t.KBsquare = 0x3385;\n  t.KKsquare = 0x33cd;\n  t.Kabashkircyrillic = 0x04a0;\n  t.Kacute = 0x1e30;\n  t.Kacyrillic = 0x041a;\n  t.Kadescendercyrillic = 0x049a;\n  t.Kahookcyrillic = 0x04c3;\n  t.Kappa = 0x039a;\n  t.Kastrokecyrillic = 0x049e;\n  t.Kaverticalstrokecyrillic = 0x049c;\n  t.Kcaron = 0x01e8;\n  t.Kcedilla = 0x0136;\n  t.Kcircle = 0x24c0;\n  t.Kcommaaccent = 0x0136;\n  t.Kdotbelow = 0x1e32;\n  t.Keharmenian = 0x0554;\n  t.Kenarmenian = 0x053f;\n  t.Khacyrillic = 0x0425;\n  t.Kheicoptic = 0x03e6;\n  t.Khook = 0x0198;\n  t.Kjecyrillic = 0x040c;\n  t.Klinebelow = 0x1e34;\n  t.Kmonospace = 0xff2b;\n  t.Koppacyrillic = 0x0480;\n  t.Koppagreek = 0x03de;\n  t.Ksicyrillic = 0x046e;\n  t.Ksmall = 0xf76b;\n  t.L = 0x004c;\n  t.LJ = 0x01c7;\n  t.LL = 0xf6bf;\n  t.Lacute = 0x0139;\n  t.Lambda = 0x039b;\n  t.Lcaron = 0x013d;\n  t.Lcedilla = 0x013b;\n  t.Lcircle = 0x24c1;\n  t.Lcircumflexbelow = 0x1e3c;\n  t.Lcommaaccent = 0x013b;\n  t.Ldot = 0x013f;\n  t.Ldotaccent = 0x013f;\n  t.Ldotbelow = 0x1e36;\n  t.Ldotbelowmacron = 0x1e38;\n  t.Liwnarmenian = 0x053c;\n  t.Lj = 0x01c8;\n  t.Ljecyrillic = 0x0409;\n  t.Llinebelow = 0x1e3a;\n  t.Lmonospace = 0xff2c;\n  t.Lslash = 0x0141;\n  t.Lslashsmall = 0xf6f9;\n  t.Lsmall = 0xf76c;\n  t.M = 0x004d;\n  t.MBsquare = 0x3386;\n  t.Macron = 0xf6d0;\n  t.Macronsmall = 0xf7af;\n  t.Macute = 0x1e3e;\n  t.Mcircle = 0x24c2;\n  t.Mdotaccent = 0x1e40;\n  t.Mdotbelow = 0x1e42;\n  t.Menarmenian = 0x0544;\n  t.Mmonospace = 0xff2d;\n  t.Msmall = 0xf76d;\n  t.Mturned = 0x019c;\n  t.Mu = 0x039c;\n  t.N = 0x004e;\n  t.NJ = 0x01ca;\n  t.Nacute = 0x0143;\n  t.Ncaron = 0x0147;\n  t.Ncedilla = 0x0145;\n  t.Ncircle = 0x24c3;\n  t.Ncircumflexbelow = 0x1e4a;\n  t.Ncommaaccent = 0x0145;\n  t.Ndotaccent = 0x1e44;\n  t.Ndotbelow = 0x1e46;\n  t.Nhookleft = 0x019d;\n  t.Nineroman = 0x2168;\n  t.Nj = 0x01cb;\n  t.Njecyrillic = 0x040a;\n  t.Nlinebelow = 0x1e48;\n  t.Nmonospace = 0xff2e;\n  t.Nowarmenian = 0x0546;\n  t.Nsmall = 0xf76e;\n  t.Ntilde = 0x00d1;\n  t.Ntildesmall = 0xf7f1;\n  t.Nu = 0x039d;\n  t.O = 0x004f;\n  t.OE = 0x0152;\n  t.OEsmall = 0xf6fa;\n  t.Oacute = 0x00d3;\n  t.Oacutesmall = 0xf7f3;\n  t.Obarredcyrillic = 0x04e8;\n  t.Obarreddieresiscyrillic = 0x04ea;\n  t.Obreve = 0x014e;\n  t.Ocaron = 0x01d1;\n  t.Ocenteredtilde = 0x019f;\n  t.Ocircle = 0x24c4;\n  t.Ocircumflex = 0x00d4;\n  t.Ocircumflexacute = 0x1ed0;\n  t.Ocircumflexdotbelow = 0x1ed8;\n  t.Ocircumflexgrave = 0x1ed2;\n  t.Ocircumflexhookabove = 0x1ed4;\n  t.Ocircumflexsmall = 0xf7f4;\n  t.Ocircumflextilde = 0x1ed6;\n  t.Ocyrillic = 0x041e;\n  t.Odblacute = 0x0150;\n  t.Odblgrave = 0x020c;\n  t.Odieresis = 0x00d6;\n  t.Odieresiscyrillic = 0x04e6;\n  t.Odieresissmall = 0xf7f6;\n  t.Odotbelow = 0x1ecc;\n  t.Ogoneksmall = 0xf6fb;\n  t.Ograve = 0x00d2;\n  t.Ogravesmall = 0xf7f2;\n  t.Oharmenian = 0x0555;\n  t.Ohm = 0x2126;\n  t.Ohookabove = 0x1ece;\n  t.Ohorn = 0x01a0;\n  t.Ohornacute = 0x1eda;\n  t.Ohorndotbelow = 0x1ee2;\n  t.Ohorngrave = 0x1edc;\n  t.Ohornhookabove = 0x1ede;\n  t.Ohorntilde = 0x1ee0;\n  t.Ohungarumlaut = 0x0150;\n  t.Oi = 0x01a2;\n  t.Oinvertedbreve = 0x020e;\n  t.Omacron = 0x014c;\n  t.Omacronacute = 0x1e52;\n  t.Omacrongrave = 0x1e50;\n  t.Omega = 0x2126;\n  t.Omegacyrillic = 0x0460;\n  t.Omegagreek = 0x03a9;\n  t.Omegaroundcyrillic = 0x047a;\n  t.Omegatitlocyrillic = 0x047c;\n  t.Omegatonos = 0x038f;\n  t.Omicron = 0x039f;\n  t.Omicrontonos = 0x038c;\n  t.Omonospace = 0xff2f;\n  t.Oneroman = 0x2160;\n  t.Oogonek = 0x01ea;\n  t.Oogonekmacron = 0x01ec;\n  t.Oopen = 0x0186;\n  t.Oslash = 0x00d8;\n  t.Oslashacute = 0x01fe;\n  t.Oslashsmall = 0xf7f8;\n  t.Osmall = 0xf76f;\n  t.Ostrokeacute = 0x01fe;\n  t.Otcyrillic = 0x047e;\n  t.Otilde = 0x00d5;\n  t.Otildeacute = 0x1e4c;\n  t.Otildedieresis = 0x1e4e;\n  t.Otildesmall = 0xf7f5;\n  t.P = 0x0050;\n  t.Pacute = 0x1e54;\n  t.Pcircle = 0x24c5;\n  t.Pdotaccent = 0x1e56;\n  t.Pecyrillic = 0x041f;\n  t.Peharmenian = 0x054a;\n  t.Pemiddlehookcyrillic = 0x04a6;\n  t.Phi = 0x03a6;\n  t.Phook = 0x01a4;\n  t.Pi = 0x03a0;\n  t.Piwrarmenian = 0x0553;\n  t.Pmonospace = 0xff30;\n  t.Psi = 0x03a8;\n  t.Psicyrillic = 0x0470;\n  t.Psmall = 0xf770;\n  t.Q = 0x0051;\n  t.Qcircle = 0x24c6;\n  t.Qmonospace = 0xff31;\n  t.Qsmall = 0xf771;\n  t.R = 0x0052;\n  t.Raarmenian = 0x054c;\n  t.Racute = 0x0154;\n  t.Rcaron = 0x0158;\n  t.Rcedilla = 0x0156;\n  t.Rcircle = 0x24c7;\n  t.Rcommaaccent = 0x0156;\n  t.Rdblgrave = 0x0210;\n  t.Rdotaccent = 0x1e58;\n  t.Rdotbelow = 0x1e5a;\n  t.Rdotbelowmacron = 0x1e5c;\n  t.Reharmenian = 0x0550;\n  t.Rfraktur = 0x211c;\n  t.Rho = 0x03a1;\n  t.Ringsmall = 0xf6fc;\n  t.Rinvertedbreve = 0x0212;\n  t.Rlinebelow = 0x1e5e;\n  t.Rmonospace = 0xff32;\n  t.Rsmall = 0xf772;\n  t.Rsmallinverted = 0x0281;\n  t.Rsmallinvertedsuperior = 0x02b6;\n  t.S = 0x0053;\n  t.SF010000 = 0x250c;\n  t.SF020000 = 0x2514;\n  t.SF030000 = 0x2510;\n  t.SF040000 = 0x2518;\n  t.SF050000 = 0x253c;\n  t.SF060000 = 0x252c;\n  t.SF070000 = 0x2534;\n  t.SF080000 = 0x251c;\n  t.SF090000 = 0x2524;\n  t.SF100000 = 0x2500;\n  t.SF110000 = 0x2502;\n  t.SF190000 = 0x2561;\n  t.SF200000 = 0x2562;\n  t.SF210000 = 0x2556;\n  t.SF220000 = 0x2555;\n  t.SF230000 = 0x2563;\n  t.SF240000 = 0x2551;\n  t.SF250000 = 0x2557;\n  t.SF260000 = 0x255d;\n  t.SF270000 = 0x255c;\n  t.SF280000 = 0x255b;\n  t.SF360000 = 0x255e;\n  t.SF370000 = 0x255f;\n  t.SF380000 = 0x255a;\n  t.SF390000 = 0x2554;\n  t.SF400000 = 0x2569;\n  t.SF410000 = 0x2566;\n  t.SF420000 = 0x2560;\n  t.SF430000 = 0x2550;\n  t.SF440000 = 0x256c;\n  t.SF450000 = 0x2567;\n  t.SF460000 = 0x2568;\n  t.SF470000 = 0x2564;\n  t.SF480000 = 0x2565;\n  t.SF490000 = 0x2559;\n  t.SF500000 = 0x2558;\n  t.SF510000 = 0x2552;\n  t.SF520000 = 0x2553;\n  t.SF530000 = 0x256b;\n  t.SF540000 = 0x256a;\n  t.Sacute = 0x015a;\n  t.Sacutedotaccent = 0x1e64;\n  t.Sampigreek = 0x03e0;\n  t.Scaron = 0x0160;\n  t.Scarondotaccent = 0x1e66;\n  t.Scaronsmall = 0xf6fd;\n  t.Scedilla = 0x015e;\n  t.Schwa = 0x018f;\n  t.Schwacyrillic = 0x04d8;\n  t.Schwadieresiscyrillic = 0x04da;\n  t.Scircle = 0x24c8;\n  t.Scircumflex = 0x015c;\n  t.Scommaaccent = 0x0218;\n  t.Sdotaccent = 0x1e60;\n  t.Sdotbelow = 0x1e62;\n  t.Sdotbelowdotaccent = 0x1e68;\n  t.Seharmenian = 0x054d;\n  t.Sevenroman = 0x2166;\n  t.Shaarmenian = 0x0547;\n  t.Shacyrillic = 0x0428;\n  t.Shchacyrillic = 0x0429;\n  t.Sheicoptic = 0x03e2;\n  t.Shhacyrillic = 0x04ba;\n  t.Shimacoptic = 0x03ec;\n  t.Sigma = 0x03a3;\n  t.Sixroman = 0x2165;\n  t.Smonospace = 0xff33;\n  t.Softsigncyrillic = 0x042c;\n  t.Ssmall = 0xf773;\n  t.Stigmagreek = 0x03da;\n  t.T = 0x0054;\n  t.Tau = 0x03a4;\n  t.Tbar = 0x0166;\n  t.Tcaron = 0x0164;\n  t.Tcedilla = 0x0162;\n  t.Tcircle = 0x24c9;\n  t.Tcircumflexbelow = 0x1e70;\n  t.Tcommaaccent = 0x0162;\n  t.Tdotaccent = 0x1e6a;\n  t.Tdotbelow = 0x1e6c;\n  t.Tecyrillic = 0x0422;\n  t.Tedescendercyrillic = 0x04ac;\n  t.Tenroman = 0x2169;\n  t.Tetsecyrillic = 0x04b4;\n  t.Theta = 0x0398;\n  t.Thook = 0x01ac;\n  t.Thorn = 0x00de;\n  t.Thornsmall = 0xf7fe;\n  t.Threeroman = 0x2162;\n  t.Tildesmall = 0xf6fe;\n  t.Tiwnarmenian = 0x054f;\n  t.Tlinebelow = 0x1e6e;\n  t.Tmonospace = 0xff34;\n  t.Toarmenian = 0x0539;\n  t.Tonefive = 0x01bc;\n  t.Tonesix = 0x0184;\n  t.Tonetwo = 0x01a7;\n  t.Tretroflexhook = 0x01ae;\n  t.Tsecyrillic = 0x0426;\n  t.Tshecyrillic = 0x040b;\n  t.Tsmall = 0xf774;\n  t.Twelveroman = 0x216b;\n  t.Tworoman = 0x2161;\n  t.U = 0x0055;\n  t.Uacute = 0x00da;\n  t.Uacutesmall = 0xf7fa;\n  t.Ubreve = 0x016c;\n  t.Ucaron = 0x01d3;\n  t.Ucircle = 0x24ca;\n  t.Ucircumflex = 0x00db;\n  t.Ucircumflexbelow = 0x1e76;\n  t.Ucircumflexsmall = 0xf7fb;\n  t.Ucyrillic = 0x0423;\n  t.Udblacute = 0x0170;\n  t.Udblgrave = 0x0214;\n  t.Udieresis = 0x00dc;\n  t.Udieresisacute = 0x01d7;\n  t.Udieresisbelow = 0x1e72;\n  t.Udieresiscaron = 0x01d9;\n  t.Udieresiscyrillic = 0x04f0;\n  t.Udieresisgrave = 0x01db;\n  t.Udieresismacron = 0x01d5;\n  t.Udieresissmall = 0xf7fc;\n  t.Udotbelow = 0x1ee4;\n  t.Ugrave = 0x00d9;\n  t.Ugravesmall = 0xf7f9;\n  t.Uhookabove = 0x1ee6;\n  t.Uhorn = 0x01af;\n  t.Uhornacute = 0x1ee8;\n  t.Uhorndotbelow = 0x1ef0;\n  t.Uhorngrave = 0x1eea;\n  t.Uhornhookabove = 0x1eec;\n  t.Uhorntilde = 0x1eee;\n  t.Uhungarumlaut = 0x0170;\n  t.Uhungarumlautcyrillic = 0x04f2;\n  t.Uinvertedbreve = 0x0216;\n  t.Ukcyrillic = 0x0478;\n  t.Umacron = 0x016a;\n  t.Umacroncyrillic = 0x04ee;\n  t.Umacrondieresis = 0x1e7a;\n  t.Umonospace = 0xff35;\n  t.Uogonek = 0x0172;\n  t.Upsilon = 0x03a5;\n  t.Upsilon1 = 0x03d2;\n  t.Upsilonacutehooksymbolgreek = 0x03d3;\n  t.Upsilonafrican = 0x01b1;\n  t.Upsilondieresis = 0x03ab;\n  t.Upsilondieresishooksymbolgreek = 0x03d4;\n  t.Upsilonhooksymbol = 0x03d2;\n  t.Upsilontonos = 0x038e;\n  t.Uring = 0x016e;\n  t.Ushortcyrillic = 0x040e;\n  t.Usmall = 0xf775;\n  t.Ustraightcyrillic = 0x04ae;\n  t.Ustraightstrokecyrillic = 0x04b0;\n  t.Utilde = 0x0168;\n  t.Utildeacute = 0x1e78;\n  t.Utildebelow = 0x1e74;\n  t.V = 0x0056;\n  t.Vcircle = 0x24cb;\n  t.Vdotbelow = 0x1e7e;\n  t.Vecyrillic = 0x0412;\n  t.Vewarmenian = 0x054e;\n  t.Vhook = 0x01b2;\n  t.Vmonospace = 0xff36;\n  t.Voarmenian = 0x0548;\n  t.Vsmall = 0xf776;\n  t.Vtilde = 0x1e7c;\n  t.W = 0x0057;\n  t.Wacute = 0x1e82;\n  t.Wcircle = 0x24cc;\n  t.Wcircumflex = 0x0174;\n  t.Wdieresis = 0x1e84;\n  t.Wdotaccent = 0x1e86;\n  t.Wdotbelow = 0x1e88;\n  t.Wgrave = 0x1e80;\n  t.Wmonospace = 0xff37;\n  t.Wsmall = 0xf777;\n  t.X = 0x0058;\n  t.Xcircle = 0x24cd;\n  t.Xdieresis = 0x1e8c;\n  t.Xdotaccent = 0x1e8a;\n  t.Xeharmenian = 0x053d;\n  t.Xi = 0x039e;\n  t.Xmonospace = 0xff38;\n  t.Xsmall = 0xf778;\n  t.Y = 0x0059;\n  t.Yacute = 0x00dd;\n  t.Yacutesmall = 0xf7fd;\n  t.Yatcyrillic = 0x0462;\n  t.Ycircle = 0x24ce;\n  t.Ycircumflex = 0x0176;\n  t.Ydieresis = 0x0178;\n  t.Ydieresissmall = 0xf7ff;\n  t.Ydotaccent = 0x1e8e;\n  t.Ydotbelow = 0x1ef4;\n  t.Yericyrillic = 0x042b;\n  t.Yerudieresiscyrillic = 0x04f8;\n  t.Ygrave = 0x1ef2;\n  t.Yhook = 0x01b3;\n  t.Yhookabove = 0x1ef6;\n  t.Yiarmenian = 0x0545;\n  t.Yicyrillic = 0x0407;\n  t.Yiwnarmenian = 0x0552;\n  t.Ymonospace = 0xff39;\n  t.Ysmall = 0xf779;\n  t.Ytilde = 0x1ef8;\n  t.Yusbigcyrillic = 0x046a;\n  t.Yusbigiotifiedcyrillic = 0x046c;\n  t.Yuslittlecyrillic = 0x0466;\n  t.Yuslittleiotifiedcyrillic = 0x0468;\n  t.Z = 0x005a;\n  t.Zaarmenian = 0x0536;\n  t.Zacute = 0x0179;\n  t.Zcaron = 0x017d;\n  t.Zcaronsmall = 0xf6ff;\n  t.Zcircle = 0x24cf;\n  t.Zcircumflex = 0x1e90;\n  t.Zdot = 0x017b;\n  t.Zdotaccent = 0x017b;\n  t.Zdotbelow = 0x1e92;\n  t.Zecyrillic = 0x0417;\n  t.Zedescendercyrillic = 0x0498;\n  t.Zedieresiscyrillic = 0x04de;\n  t.Zeta = 0x0396;\n  t.Zhearmenian = 0x053a;\n  t.Zhebrevecyrillic = 0x04c1;\n  t.Zhecyrillic = 0x0416;\n  t.Zhedescendercyrillic = 0x0496;\n  t.Zhedieresiscyrillic = 0x04dc;\n  t.Zlinebelow = 0x1e94;\n  t.Zmonospace = 0xff3a;\n  t.Zsmall = 0xf77a;\n  t.Zstroke = 0x01b5;\n  t.a = 0x0061;\n  t.aabengali = 0x0986;\n  t.aacute = 0x00e1;\n  t.aadeva = 0x0906;\n  t.aagujarati = 0x0a86;\n  t.aagurmukhi = 0x0a06;\n  t.aamatragurmukhi = 0x0a3e;\n  t.aarusquare = 0x3303;\n  t.aavowelsignbengali = 0x09be;\n  t.aavowelsigndeva = 0x093e;\n  t.aavowelsigngujarati = 0x0abe;\n  t.abbreviationmarkarmenian = 0x055f;\n  t.abbreviationsigndeva = 0x0970;\n  t.abengali = 0x0985;\n  t.abopomofo = 0x311a;\n  t.abreve = 0x0103;\n  t.abreveacute = 0x1eaf;\n  t.abrevecyrillic = 0x04d1;\n  t.abrevedotbelow = 0x1eb7;\n  t.abrevegrave = 0x1eb1;\n  t.abrevehookabove = 0x1eb3;\n  t.abrevetilde = 0x1eb5;\n  t.acaron = 0x01ce;\n  t.acircle = 0x24d0;\n  t.acircumflex = 0x00e2;\n  t.acircumflexacute = 0x1ea5;\n  t.acircumflexdotbelow = 0x1ead;\n  t.acircumflexgrave = 0x1ea7;\n  t.acircumflexhookabove = 0x1ea9;\n  t.acircumflextilde = 0x1eab;\n  t.acute = 0x00b4;\n  t.acutebelowcmb = 0x0317;\n  t.acutecmb = 0x0301;\n  t.acutecomb = 0x0301;\n  t.acutedeva = 0x0954;\n  t.acutelowmod = 0x02cf;\n  t.acutetonecmb = 0x0341;\n  t.acyrillic = 0x0430;\n  t.adblgrave = 0x0201;\n  t.addakgurmukhi = 0x0a71;\n  t.adeva = 0x0905;\n  t.adieresis = 0x00e4;\n  t.adieresiscyrillic = 0x04d3;\n  t.adieresismacron = 0x01df;\n  t.adotbelow = 0x1ea1;\n  t.adotmacron = 0x01e1;\n  t.ae = 0x00e6;\n  t.aeacute = 0x01fd;\n  t.aekorean = 0x3150;\n  t.aemacron = 0x01e3;\n  t.afii00208 = 0x2015;\n  t.afii08941 = 0x20a4;\n  t.afii10017 = 0x0410;\n  t.afii10018 = 0x0411;\n  t.afii10019 = 0x0412;\n  t.afii10020 = 0x0413;\n  t.afii10021 = 0x0414;\n  t.afii10022 = 0x0415;\n  t.afii10023 = 0x0401;\n  t.afii10024 = 0x0416;\n  t.afii10025 = 0x0417;\n  t.afii10026 = 0x0418;\n  t.afii10027 = 0x0419;\n  t.afii10028 = 0x041a;\n  t.afii10029 = 0x041b;\n  t.afii10030 = 0x041c;\n  t.afii10031 = 0x041d;\n  t.afii10032 = 0x041e;\n  t.afii10033 = 0x041f;\n  t.afii10034 = 0x0420;\n  t.afii10035 = 0x0421;\n  t.afii10036 = 0x0422;\n  t.afii10037 = 0x0423;\n  t.afii10038 = 0x0424;\n  t.afii10039 = 0x0425;\n  t.afii10040 = 0x0426;\n  t.afii10041 = 0x0427;\n  t.afii10042 = 0x0428;\n  t.afii10043 = 0x0429;\n  t.afii10044 = 0x042a;\n  t.afii10045 = 0x042b;\n  t.afii10046 = 0x042c;\n  t.afii10047 = 0x042d;\n  t.afii10048 = 0x042e;\n  t.afii10049 = 0x042f;\n  t.afii10050 = 0x0490;\n  t.afii10051 = 0x0402;\n  t.afii10052 = 0x0403;\n  t.afii10053 = 0x0404;\n  t.afii10054 = 0x0405;\n  t.afii10055 = 0x0406;\n  t.afii10056 = 0x0407;\n  t.afii10057 = 0x0408;\n  t.afii10058 = 0x0409;\n  t.afii10059 = 0x040a;\n  t.afii10060 = 0x040b;\n  t.afii10061 = 0x040c;\n  t.afii10062 = 0x040e;\n  t.afii10063 = 0xf6c4;\n  t.afii10064 = 0xf6c5;\n  t.afii10065 = 0x0430;\n  t.afii10066 = 0x0431;\n  t.afii10067 = 0x0432;\n  t.afii10068 = 0x0433;\n  t.afii10069 = 0x0434;\n  t.afii10070 = 0x0435;\n  t.afii10071 = 0x0451;\n  t.afii10072 = 0x0436;\n  t.afii10073 = 0x0437;\n  t.afii10074 = 0x0438;\n  t.afii10075 = 0x0439;\n  t.afii10076 = 0x043a;\n  t.afii10077 = 0x043b;\n  t.afii10078 = 0x043c;\n  t.afii10079 = 0x043d;\n  t.afii10080 = 0x043e;\n  t.afii10081 = 0x043f;\n  t.afii10082 = 0x0440;\n  t.afii10083 = 0x0441;\n  t.afii10084 = 0x0442;\n  t.afii10085 = 0x0443;\n  t.afii10086 = 0x0444;\n  t.afii10087 = 0x0445;\n  t.afii10088 = 0x0446;\n  t.afii10089 = 0x0447;\n  t.afii10090 = 0x0448;\n  t.afii10091 = 0x0449;\n  t.afii10092 = 0x044a;\n  t.afii10093 = 0x044b;\n  t.afii10094 = 0x044c;\n  t.afii10095 = 0x044d;\n  t.afii10096 = 0x044e;\n  t.afii10097 = 0x044f;\n  t.afii10098 = 0x0491;\n  t.afii10099 = 0x0452;\n  t.afii10100 = 0x0453;\n  t.afii10101 = 0x0454;\n  t.afii10102 = 0x0455;\n  t.afii10103 = 0x0456;\n  t.afii10104 = 0x0457;\n  t.afii10105 = 0x0458;\n  t.afii10106 = 0x0459;\n  t.afii10107 = 0x045a;\n  t.afii10108 = 0x045b;\n  t.afii10109 = 0x045c;\n  t.afii10110 = 0x045e;\n  t.afii10145 = 0x040f;\n  t.afii10146 = 0x0462;\n  t.afii10147 = 0x0472;\n  t.afii10148 = 0x0474;\n  t.afii10192 = 0xf6c6;\n  t.afii10193 = 0x045f;\n  t.afii10194 = 0x0463;\n  t.afii10195 = 0x0473;\n  t.afii10196 = 0x0475;\n  t.afii10831 = 0xf6c7;\n  t.afii10832 = 0xf6c8;\n  t.afii10846 = 0x04d9;\n  t.afii299 = 0x200e;\n  t.afii300 = 0x200f;\n  t.afii301 = 0x200d;\n  t.afii57381 = 0x066a;\n  t.afii57388 = 0x060c;\n  t.afii57392 = 0x0660;\n  t.afii57393 = 0x0661;\n  t.afii57394 = 0x0662;\n  t.afii57395 = 0x0663;\n  t.afii57396 = 0x0664;\n  t.afii57397 = 0x0665;\n  t.afii57398 = 0x0666;\n  t.afii57399 = 0x0667;\n  t.afii57400 = 0x0668;\n  t.afii57401 = 0x0669;\n  t.afii57403 = 0x061b;\n  t.afii57407 = 0x061f;\n  t.afii57409 = 0x0621;\n  t.afii57410 = 0x0622;\n  t.afii57411 = 0x0623;\n  t.afii57412 = 0x0624;\n  t.afii57413 = 0x0625;\n  t.afii57414 = 0x0626;\n  t.afii57415 = 0x0627;\n  t.afii57416 = 0x0628;\n  t.afii57417 = 0x0629;\n  t.afii57418 = 0x062a;\n  t.afii57419 = 0x062b;\n  t.afii57420 = 0x062c;\n  t.afii57421 = 0x062d;\n  t.afii57422 = 0x062e;\n  t.afii57423 = 0x062f;\n  t.afii57424 = 0x0630;\n  t.afii57425 = 0x0631;\n  t.afii57426 = 0x0632;\n  t.afii57427 = 0x0633;\n  t.afii57428 = 0x0634;\n  t.afii57429 = 0x0635;\n  t.afii57430 = 0x0636;\n  t.afii57431 = 0x0637;\n  t.afii57432 = 0x0638;\n  t.afii57433 = 0x0639;\n  t.afii57434 = 0x063a;\n  t.afii57440 = 0x0640;\n  t.afii57441 = 0x0641;\n  t.afii57442 = 0x0642;\n  t.afii57443 = 0x0643;\n  t.afii57444 = 0x0644;\n  t.afii57445 = 0x0645;\n  t.afii57446 = 0x0646;\n  t.afii57448 = 0x0648;\n  t.afii57449 = 0x0649;\n  t.afii57450 = 0x064a;\n  t.afii57451 = 0x064b;\n  t.afii57452 = 0x064c;\n  t.afii57453 = 0x064d;\n  t.afii57454 = 0x064e;\n  t.afii57455 = 0x064f;\n  t.afii57456 = 0x0650;\n  t.afii57457 = 0x0651;\n  t.afii57458 = 0x0652;\n  t.afii57470 = 0x0647;\n  t.afii57505 = 0x06a4;\n  t.afii57506 = 0x067e;\n  t.afii57507 = 0x0686;\n  t.afii57508 = 0x0698;\n  t.afii57509 = 0x06af;\n  t.afii57511 = 0x0679;\n  t.afii57512 = 0x0688;\n  t.afii57513 = 0x0691;\n  t.afii57514 = 0x06ba;\n  t.afii57519 = 0x06d2;\n  t.afii57534 = 0x06d5;\n  t.afii57636 = 0x20aa;\n  t.afii57645 = 0x05be;\n  t.afii57658 = 0x05c3;\n  t.afii57664 = 0x05d0;\n  t.afii57665 = 0x05d1;\n  t.afii57666 = 0x05d2;\n  t.afii57667 = 0x05d3;\n  t.afii57668 = 0x05d4;\n  t.afii57669 = 0x05d5;\n  t.afii57670 = 0x05d6;\n  t.afii57671 = 0x05d7;\n  t.afii57672 = 0x05d8;\n  t.afii57673 = 0x05d9;\n  t.afii57674 = 0x05da;\n  t.afii57675 = 0x05db;\n  t.afii57676 = 0x05dc;\n  t.afii57677 = 0x05dd;\n  t.afii57678 = 0x05de;\n  t.afii57679 = 0x05df;\n  t.afii57680 = 0x05e0;\n  t.afii57681 = 0x05e1;\n  t.afii57682 = 0x05e2;\n  t.afii57683 = 0x05e3;\n  t.afii57684 = 0x05e4;\n  t.afii57685 = 0x05e5;\n  t.afii57686 = 0x05e6;\n  t.afii57687 = 0x05e7;\n  t.afii57688 = 0x05e8;\n  t.afii57689 = 0x05e9;\n  t.afii57690 = 0x05ea;\n  t.afii57694 = 0xfb2a;\n  t.afii57695 = 0xfb2b;\n  t.afii57700 = 0xfb4b;\n  t.afii57705 = 0xfb1f;\n  t.afii57716 = 0x05f0;\n  t.afii57717 = 0x05f1;\n  t.afii57718 = 0x05f2;\n  t.afii57723 = 0xfb35;\n  t.afii57793 = 0x05b4;\n  t.afii57794 = 0x05b5;\n  t.afii57795 = 0x05b6;\n  t.afii57796 = 0x05bb;\n  t.afii57797 = 0x05b8;\n  t.afii57798 = 0x05b7;\n  t.afii57799 = 0x05b0;\n  t.afii57800 = 0x05b2;\n  t.afii57801 = 0x05b1;\n  t.afii57802 = 0x05b3;\n  t.afii57803 = 0x05c2;\n  t.afii57804 = 0x05c1;\n  t.afii57806 = 0x05b9;\n  t.afii57807 = 0x05bc;\n  t.afii57839 = 0x05bd;\n  t.afii57841 = 0x05bf;\n  t.afii57842 = 0x05c0;\n  t.afii57929 = 0x02bc;\n  t.afii61248 = 0x2105;\n  t.afii61289 = 0x2113;\n  t.afii61352 = 0x2116;\n  t.afii61573 = 0x202c;\n  t.afii61574 = 0x202d;\n  t.afii61575 = 0x202e;\n  t.afii61664 = 0x200c;\n  t.afii63167 = 0x066d;\n  t.afii64937 = 0x02bd;\n  t.agrave = 0x00e0;\n  t.agujarati = 0x0a85;\n  t.agurmukhi = 0x0a05;\n  t.ahiragana = 0x3042;\n  t.ahookabove = 0x1ea3;\n  t.aibengali = 0x0990;\n  t.aibopomofo = 0x311e;\n  t.aideva = 0x0910;\n  t.aiecyrillic = 0x04d5;\n  t.aigujarati = 0x0a90;\n  t.aigurmukhi = 0x0a10;\n  t.aimatragurmukhi = 0x0a48;\n  t.ainarabic = 0x0639;\n  t.ainfinalarabic = 0xfeca;\n  t.aininitialarabic = 0xfecb;\n  t.ainmedialarabic = 0xfecc;\n  t.ainvertedbreve = 0x0203;\n  t.aivowelsignbengali = 0x09c8;\n  t.aivowelsigndeva = 0x0948;\n  t.aivowelsigngujarati = 0x0ac8;\n  t.akatakana = 0x30a2;\n  t.akatakanahalfwidth = 0xff71;\n  t.akorean = 0x314f;\n  t.alef = 0x05d0;\n  t.alefarabic = 0x0627;\n  t.alefdageshhebrew = 0xfb30;\n  t.aleffinalarabic = 0xfe8e;\n  t.alefhamzaabovearabic = 0x0623;\n  t.alefhamzaabovefinalarabic = 0xfe84;\n  t.alefhamzabelowarabic = 0x0625;\n  t.alefhamzabelowfinalarabic = 0xfe88;\n  t.alefhebrew = 0x05d0;\n  t.aleflamedhebrew = 0xfb4f;\n  t.alefmaddaabovearabic = 0x0622;\n  t.alefmaddaabovefinalarabic = 0xfe82;\n  t.alefmaksuraarabic = 0x0649;\n  t.alefmaksurafinalarabic = 0xfef0;\n  t.alefmaksurainitialarabic = 0xfef3;\n  t.alefmaksuramedialarabic = 0xfef4;\n  t.alefpatahhebrew = 0xfb2e;\n  t.alefqamatshebrew = 0xfb2f;\n  t.aleph = 0x2135;\n  t.allequal = 0x224c;\n  t.alpha = 0x03b1;\n  t.alphatonos = 0x03ac;\n  t.amacron = 0x0101;\n  t.amonospace = 0xff41;\n  t.ampersand = 0x0026;\n  t.ampersandmonospace = 0xff06;\n  t.ampersandsmall = 0xf726;\n  t.amsquare = 0x33c2;\n  t.anbopomofo = 0x3122;\n  t.angbopomofo = 0x3124;\n  t.angbracketleft = 0x3008; // Glyph is missing from Adobe's original list.\n  t.angbracketright = 0x3009; // Glyph is missing from Adobe's original list.\n  t.angkhankhuthai = 0x0e5a;\n  t.angle = 0x2220;\n  t.anglebracketleft = 0x3008;\n  t.anglebracketleftvertical = 0xfe3f;\n  t.anglebracketright = 0x3009;\n  t.anglebracketrightvertical = 0xfe40;\n  t.angleleft = 0x2329;\n  t.angleright = 0x232a;\n  t.angstrom = 0x212b;\n  t.anoteleia = 0x0387;\n  t.anudattadeva = 0x0952;\n  t.anusvarabengali = 0x0982;\n  t.anusvaradeva = 0x0902;\n  t.anusvaragujarati = 0x0a82;\n  t.aogonek = 0x0105;\n  t.apaatosquare = 0x3300;\n  t.aparen = 0x249c;\n  t.apostrophearmenian = 0x055a;\n  t.apostrophemod = 0x02bc;\n  t.apple = 0xf8ff;\n  t.approaches = 0x2250;\n  t.approxequal = 0x2248;\n  t.approxequalorimage = 0x2252;\n  t.approximatelyequal = 0x2245;\n  t.araeaekorean = 0x318e;\n  t.araeakorean = 0x318d;\n  t.arc = 0x2312;\n  t.arighthalfring = 0x1e9a;\n  t.aring = 0x00e5;\n  t.aringacute = 0x01fb;\n  t.aringbelow = 0x1e01;\n  t.arrowboth = 0x2194;\n  t.arrowdashdown = 0x21e3;\n  t.arrowdashleft = 0x21e0;\n  t.arrowdashright = 0x21e2;\n  t.arrowdashup = 0x21e1;\n  t.arrowdblboth = 0x21d4;\n  t.arrowdbldown = 0x21d3;\n  t.arrowdblleft = 0x21d0;\n  t.arrowdblright = 0x21d2;\n  t.arrowdblup = 0x21d1;\n  t.arrowdown = 0x2193;\n  t.arrowdownleft = 0x2199;\n  t.arrowdownright = 0x2198;\n  t.arrowdownwhite = 0x21e9;\n  t.arrowheaddownmod = 0x02c5;\n  t.arrowheadleftmod = 0x02c2;\n  t.arrowheadrightmod = 0x02c3;\n  t.arrowheadupmod = 0x02c4;\n  t.arrowhorizex = 0xf8e7;\n  t.arrowleft = 0x2190;\n  t.arrowleftdbl = 0x21d0;\n  t.arrowleftdblstroke = 0x21cd;\n  t.arrowleftoverright = 0x21c6;\n  t.arrowleftwhite = 0x21e6;\n  t.arrowright = 0x2192;\n  t.arrowrightdblstroke = 0x21cf;\n  t.arrowrightheavy = 0x279e;\n  t.arrowrightoverleft = 0x21c4;\n  t.arrowrightwhite = 0x21e8;\n  t.arrowtableft = 0x21e4;\n  t.arrowtabright = 0x21e5;\n  t.arrowup = 0x2191;\n  t.arrowupdn = 0x2195;\n  t.arrowupdnbse = 0x21a8;\n  t.arrowupdownbase = 0x21a8;\n  t.arrowupleft = 0x2196;\n  t.arrowupleftofdown = 0x21c5;\n  t.arrowupright = 0x2197;\n  t.arrowupwhite = 0x21e7;\n  t.arrowvertex = 0xf8e6;\n  t.asciicircum = 0x005e;\n  t.asciicircummonospace = 0xff3e;\n  t.asciitilde = 0x007e;\n  t.asciitildemonospace = 0xff5e;\n  t.ascript = 0x0251;\n  t.ascriptturned = 0x0252;\n  t.asmallhiragana = 0x3041;\n  t.asmallkatakana = 0x30a1;\n  t.asmallkatakanahalfwidth = 0xff67;\n  t.asterisk = 0x002a;\n  t.asteriskaltonearabic = 0x066d;\n  t.asteriskarabic = 0x066d;\n  t.asteriskmath = 0x2217;\n  t.asteriskmonospace = 0xff0a;\n  t.asterisksmall = 0xfe61;\n  t.asterism = 0x2042;\n  t.asuperior = 0xf6e9;\n  t.asymptoticallyequal = 0x2243;\n  t.at = 0x0040;\n  t.atilde = 0x00e3;\n  t.atmonospace = 0xff20;\n  t.atsmall = 0xfe6b;\n  t.aturned = 0x0250;\n  t.aubengali = 0x0994;\n  t.aubopomofo = 0x3120;\n  t.audeva = 0x0914;\n  t.augujarati = 0x0a94;\n  t.augurmukhi = 0x0a14;\n  t.aulengthmarkbengali = 0x09d7;\n  t.aumatragurmukhi = 0x0a4c;\n  t.auvowelsignbengali = 0x09cc;\n  t.auvowelsigndeva = 0x094c;\n  t.auvowelsigngujarati = 0x0acc;\n  t.avagrahadeva = 0x093d;\n  t.aybarmenian = 0x0561;\n  t.ayin = 0x05e2;\n  t.ayinaltonehebrew = 0xfb20;\n  t.ayinhebrew = 0x05e2;\n  t.b = 0x0062;\n  t.babengali = 0x09ac;\n  t.backslash = 0x005c;\n  t.backslashmonospace = 0xff3c;\n  t.badeva = 0x092c;\n  t.bagujarati = 0x0aac;\n  t.bagurmukhi = 0x0a2c;\n  t.bahiragana = 0x3070;\n  t.bahtthai = 0x0e3f;\n  t.bakatakana = 0x30d0;\n  t.bar = 0x007c;\n  t.barmonospace = 0xff5c;\n  t.bbopomofo = 0x3105;\n  t.bcircle = 0x24d1;\n  t.bdotaccent = 0x1e03;\n  t.bdotbelow = 0x1e05;\n  t.beamedsixteenthnotes = 0x266c;\n  t.because = 0x2235;\n  t.becyrillic = 0x0431;\n  t.beharabic = 0x0628;\n  t.behfinalarabic = 0xfe90;\n  t.behinitialarabic = 0xfe91;\n  t.behiragana = 0x3079;\n  t.behmedialarabic = 0xfe92;\n  t.behmeeminitialarabic = 0xfc9f;\n  t.behmeemisolatedarabic = 0xfc08;\n  t.behnoonfinalarabic = 0xfc6d;\n  t.bekatakana = 0x30d9;\n  t.benarmenian = 0x0562;\n  t.bet = 0x05d1;\n  t.beta = 0x03b2;\n  t.betasymbolgreek = 0x03d0;\n  t.betdagesh = 0xfb31;\n  t.betdageshhebrew = 0xfb31;\n  t.bethebrew = 0x05d1;\n  t.betrafehebrew = 0xfb4c;\n  t.bhabengali = 0x09ad;\n  t.bhadeva = 0x092d;\n  t.bhagujarati = 0x0aad;\n  t.bhagurmukhi = 0x0a2d;\n  t.bhook = 0x0253;\n  t.bihiragana = 0x3073;\n  t.bikatakana = 0x30d3;\n  t.bilabialclick = 0x0298;\n  t.bindigurmukhi = 0x0a02;\n  t.birusquare = 0x3331;\n  t.blackcircle = 0x25cf;\n  t.blackdiamond = 0x25c6;\n  t.blackdownpointingtriangle = 0x25bc;\n  t.blackleftpointingpointer = 0x25c4;\n  t.blackleftpointingtriangle = 0x25c0;\n  t.blacklenticularbracketleft = 0x3010;\n  t.blacklenticularbracketleftvertical = 0xfe3b;\n  t.blacklenticularbracketright = 0x3011;\n  t.blacklenticularbracketrightvertical = 0xfe3c;\n  t.blacklowerlefttriangle = 0x25e3;\n  t.blacklowerrighttriangle = 0x25e2;\n  t.blackrectangle = 0x25ac;\n  t.blackrightpointingpointer = 0x25ba;\n  t.blackrightpointingtriangle = 0x25b6;\n  t.blacksmallsquare = 0x25aa;\n  t.blacksmilingface = 0x263b;\n  t.blacksquare = 0x25a0;\n  t.blackstar = 0x2605;\n  t.blackupperlefttriangle = 0x25e4;\n  t.blackupperrighttriangle = 0x25e5;\n  t.blackuppointingsmalltriangle = 0x25b4;\n  t.blackuppointingtriangle = 0x25b2;\n  t.blank = 0x2423;\n  t.blinebelow = 0x1e07;\n  t.block = 0x2588;\n  t.bmonospace = 0xff42;\n  t.bobaimaithai = 0x0e1a;\n  t.bohiragana = 0x307c;\n  t.bokatakana = 0x30dc;\n  t.bparen = 0x249d;\n  t.bqsquare = 0x33c3;\n  t.braceex = 0xf8f4;\n  t.braceleft = 0x007b;\n  t.braceleftbt = 0xf8f3;\n  t.braceleftmid = 0xf8f2;\n  t.braceleftmonospace = 0xff5b;\n  t.braceleftsmall = 0xfe5b;\n  t.bracelefttp = 0xf8f1;\n  t.braceleftvertical = 0xfe37;\n  t.braceright = 0x007d;\n  t.bracerightbt = 0xf8fe;\n  t.bracerightmid = 0xf8fd;\n  t.bracerightmonospace = 0xff5d;\n  t.bracerightsmall = 0xfe5c;\n  t.bracerighttp = 0xf8fc;\n  t.bracerightvertical = 0xfe38;\n  t.bracketleft = 0x005b;\n  t.bracketleftbt = 0xf8f0;\n  t.bracketleftex = 0xf8ef;\n  t.bracketleftmonospace = 0xff3b;\n  t.bracketlefttp = 0xf8ee;\n  t.bracketright = 0x005d;\n  t.bracketrightbt = 0xf8fb;\n  t.bracketrightex = 0xf8fa;\n  t.bracketrightmonospace = 0xff3d;\n  t.bracketrighttp = 0xf8f9;\n  t.breve = 0x02d8;\n  t.brevebelowcmb = 0x032e;\n  t.brevecmb = 0x0306;\n  t.breveinvertedbelowcmb = 0x032f;\n  t.breveinvertedcmb = 0x0311;\n  t.breveinverteddoublecmb = 0x0361;\n  t.bridgebelowcmb = 0x032a;\n  t.bridgeinvertedbelowcmb = 0x033a;\n  t.brokenbar = 0x00a6;\n  t.bstroke = 0x0180;\n  t.bsuperior = 0xf6ea;\n  t.btopbar = 0x0183;\n  t.buhiragana = 0x3076;\n  t.bukatakana = 0x30d6;\n  t.bullet = 0x2022;\n  t.bulletinverse = 0x25d8;\n  t.bulletoperator = 0x2219;\n  t.bullseye = 0x25ce;\n  t.c = 0x0063;\n  t.caarmenian = 0x056e;\n  t.cabengali = 0x099a;\n  t.cacute = 0x0107;\n  t.cadeva = 0x091a;\n  t.cagujarati = 0x0a9a;\n  t.cagurmukhi = 0x0a1a;\n  t.calsquare = 0x3388;\n  t.candrabindubengali = 0x0981;\n  t.candrabinducmb = 0x0310;\n  t.candrabindudeva = 0x0901;\n  t.candrabindugujarati = 0x0a81;\n  t.capslock = 0x21ea;\n  t.careof = 0x2105;\n  t.caron = 0x02c7;\n  t.caronbelowcmb = 0x032c;\n  t.caroncmb = 0x030c;\n  t.carriagereturn = 0x21b5;\n  t.cbopomofo = 0x3118;\n  t.ccaron = 0x010d;\n  t.ccedilla = 0x00e7;\n  t.ccedillaacute = 0x1e09;\n  t.ccircle = 0x24d2;\n  t.ccircumflex = 0x0109;\n  t.ccurl = 0x0255;\n  t.cdot = 0x010b;\n  t.cdotaccent = 0x010b;\n  t.cdsquare = 0x33c5;\n  t.cedilla = 0x00b8;\n  t.cedillacmb = 0x0327;\n  t.cent = 0x00a2;\n  t.centigrade = 0x2103;\n  t.centinferior = 0xf6df;\n  t.centmonospace = 0xffe0;\n  t.centoldstyle = 0xf7a2;\n  t.centsuperior = 0xf6e0;\n  t.chaarmenian = 0x0579;\n  t.chabengali = 0x099b;\n  t.chadeva = 0x091b;\n  t.chagujarati = 0x0a9b;\n  t.chagurmukhi = 0x0a1b;\n  t.chbopomofo = 0x3114;\n  t.cheabkhasiancyrillic = 0x04bd;\n  t.checkmark = 0x2713;\n  t.checyrillic = 0x0447;\n  t.chedescenderabkhasiancyrillic = 0x04bf;\n  t.chedescendercyrillic = 0x04b7;\n  t.chedieresiscyrillic = 0x04f5;\n  t.cheharmenian = 0x0573;\n  t.chekhakassiancyrillic = 0x04cc;\n  t.cheverticalstrokecyrillic = 0x04b9;\n  t.chi = 0x03c7;\n  t.chieuchacirclekorean = 0x3277;\n  t.chieuchaparenkorean = 0x3217;\n  t.chieuchcirclekorean = 0x3269;\n  t.chieuchkorean = 0x314a;\n  t.chieuchparenkorean = 0x3209;\n  t.chochangthai = 0x0e0a;\n  t.chochanthai = 0x0e08;\n  t.chochingthai = 0x0e09;\n  t.chochoethai = 0x0e0c;\n  t.chook = 0x0188;\n  t.cieucacirclekorean = 0x3276;\n  t.cieucaparenkorean = 0x3216;\n  t.cieuccirclekorean = 0x3268;\n  t.cieuckorean = 0x3148;\n  t.cieucparenkorean = 0x3208;\n  t.cieucuparenkorean = 0x321c;\n  t.circle = 0x25cb;\n  t.circlecopyrt = 0x00a9; // Glyph is missing from Adobe's original list.\n  t.circlemultiply = 0x2297;\n  t.circleot = 0x2299;\n  t.circleplus = 0x2295;\n  t.circlepostalmark = 0x3036;\n  t.circlewithlefthalfblack = 0x25d0;\n  t.circlewithrighthalfblack = 0x25d1;\n  t.circumflex = 0x02c6;\n  t.circumflexbelowcmb = 0x032d;\n  t.circumflexcmb = 0x0302;\n  t.clear = 0x2327;\n  t.clickalveolar = 0x01c2;\n  t.clickdental = 0x01c0;\n  t.clicklateral = 0x01c1;\n  t.clickretroflex = 0x01c3;\n  t.club = 0x2663;\n  t.clubsuitblack = 0x2663;\n  t.clubsuitwhite = 0x2667;\n  t.cmcubedsquare = 0x33a4;\n  t.cmonospace = 0xff43;\n  t.cmsquaredsquare = 0x33a0;\n  t.coarmenian = 0x0581;\n  t.colon = 0x003a;\n  t.colonmonetary = 0x20a1;\n  t.colonmonospace = 0xff1a;\n  t.colonsign = 0x20a1;\n  t.colonsmall = 0xfe55;\n  t.colontriangularhalfmod = 0x02d1;\n  t.colontriangularmod = 0x02d0;\n  t.comma = 0x002c;\n  t.commaabovecmb = 0x0313;\n  t.commaaboverightcmb = 0x0315;\n  t.commaaccent = 0xf6c3;\n  t.commaarabic = 0x060c;\n  t.commaarmenian = 0x055d;\n  t.commainferior = 0xf6e1;\n  t.commamonospace = 0xff0c;\n  t.commareversedabovecmb = 0x0314;\n  t.commareversedmod = 0x02bd;\n  t.commasmall = 0xfe50;\n  t.commasuperior = 0xf6e2;\n  t.commaturnedabovecmb = 0x0312;\n  t.commaturnedmod = 0x02bb;\n  t.compass = 0x263c;\n  t.congruent = 0x2245;\n  t.contourintegral = 0x222e;\n  t.control = 0x2303;\n  t.controlACK = 0x0006;\n  t.controlBEL = 0x0007;\n  t.controlBS = 0x0008;\n  t.controlCAN = 0x0018;\n  t.controlCR = 0x000d;\n  t.controlDC1 = 0x0011;\n  t.controlDC2 = 0x0012;\n  t.controlDC3 = 0x0013;\n  t.controlDC4 = 0x0014;\n  t.controlDEL = 0x007f;\n  t.controlDLE = 0x0010;\n  t.controlEM = 0x0019;\n  t.controlENQ = 0x0005;\n  t.controlEOT = 0x0004;\n  t.controlESC = 0x001b;\n  t.controlETB = 0x0017;\n  t.controlETX = 0x0003;\n  t.controlFF = 0x000c;\n  t.controlFS = 0x001c;\n  t.controlGS = 0x001d;\n  t.controlHT = 0x0009;\n  t.controlLF = 0x000a;\n  t.controlNAK = 0x0015;\n  t.controlNULL = 0x0000; // Glyph is missing from Adobe's original list.\n  t.controlRS = 0x001e;\n  t.controlSI = 0x000f;\n  t.controlSO = 0x000e;\n  t.controlSOT = 0x0002;\n  t.controlSTX = 0x0001;\n  t.controlSUB = 0x001a;\n  t.controlSYN = 0x0016;\n  t.controlUS = 0x001f;\n  t.controlVT = 0x000b;\n  t.copyright = 0x00a9;\n  t.copyrightsans = 0xf8e9;\n  t.copyrightserif = 0xf6d9;\n  t.cornerbracketleft = 0x300c;\n  t.cornerbracketlefthalfwidth = 0xff62;\n  t.cornerbracketleftvertical = 0xfe41;\n  t.cornerbracketright = 0x300d;\n  t.cornerbracketrighthalfwidth = 0xff63;\n  t.cornerbracketrightvertical = 0xfe42;\n  t.corporationsquare = 0x337f;\n  t.cosquare = 0x33c7;\n  t.coverkgsquare = 0x33c6;\n  t.cparen = 0x249e;\n  t.cruzeiro = 0x20a2;\n  t.cstretched = 0x0297;\n  t.curlyand = 0x22cf;\n  t.curlyor = 0x22ce;\n  t.currency = 0x00a4;\n  t.cyrBreve = 0xf6d1;\n  t.cyrFlex = 0xf6d2;\n  t.cyrbreve = 0xf6d4;\n  t.cyrflex = 0xf6d5;\n  t.d = 0x0064;\n  t.daarmenian = 0x0564;\n  t.dabengali = 0x09a6;\n  t.dadarabic = 0x0636;\n  t.dadeva = 0x0926;\n  t.dadfinalarabic = 0xfebe;\n  t.dadinitialarabic = 0xfebf;\n  t.dadmedialarabic = 0xfec0;\n  t.dagesh = 0x05bc;\n  t.dageshhebrew = 0x05bc;\n  t.dagger = 0x2020;\n  t.daggerdbl = 0x2021;\n  t.dagujarati = 0x0aa6;\n  t.dagurmukhi = 0x0a26;\n  t.dahiragana = 0x3060;\n  t.dakatakana = 0x30c0;\n  t.dalarabic = 0x062f;\n  t.dalet = 0x05d3;\n  t.daletdagesh = 0xfb33;\n  t.daletdageshhebrew = 0xfb33;\n  t.dalethebrew = 0x05d3;\n  t.dalfinalarabic = 0xfeaa;\n  t.dammaarabic = 0x064f;\n  t.dammalowarabic = 0x064f;\n  t.dammatanaltonearabic = 0x064c;\n  t.dammatanarabic = 0x064c;\n  t.danda = 0x0964;\n  t.dargahebrew = 0x05a7;\n  t.dargalefthebrew = 0x05a7;\n  t.dasiapneumatacyrilliccmb = 0x0485;\n  t.dblGrave = 0xf6d3;\n  t.dblanglebracketleft = 0x300a;\n  t.dblanglebracketleftvertical = 0xfe3d;\n  t.dblanglebracketright = 0x300b;\n  t.dblanglebracketrightvertical = 0xfe3e;\n  t.dblarchinvertedbelowcmb = 0x032b;\n  t.dblarrowleft = 0x21d4;\n  t.dblarrowright = 0x21d2;\n  t.dbldanda = 0x0965;\n  t.dblgrave = 0xf6d6;\n  t.dblgravecmb = 0x030f;\n  t.dblintegral = 0x222c;\n  t.dbllowline = 0x2017;\n  t.dbllowlinecmb = 0x0333;\n  t.dbloverlinecmb = 0x033f;\n  t.dblprimemod = 0x02ba;\n  t.dblverticalbar = 0x2016;\n  t.dblverticallineabovecmb = 0x030e;\n  t.dbopomofo = 0x3109;\n  t.dbsquare = 0x33c8;\n  t.dcaron = 0x010f;\n  t.dcedilla = 0x1e11;\n  t.dcircle = 0x24d3;\n  t.dcircumflexbelow = 0x1e13;\n  t.dcroat = 0x0111;\n  t.ddabengali = 0x09a1;\n  t.ddadeva = 0x0921;\n  t.ddagujarati = 0x0aa1;\n  t.ddagurmukhi = 0x0a21;\n  t.ddalarabic = 0x0688;\n  t.ddalfinalarabic = 0xfb89;\n  t.dddhadeva = 0x095c;\n  t.ddhabengali = 0x09a2;\n  t.ddhadeva = 0x0922;\n  t.ddhagujarati = 0x0aa2;\n  t.ddhagurmukhi = 0x0a22;\n  t.ddotaccent = 0x1e0b;\n  t.ddotbelow = 0x1e0d;\n  t.decimalseparatorarabic = 0x066b;\n  t.decimalseparatorpersian = 0x066b;\n  t.decyrillic = 0x0434;\n  t.degree = 0x00b0;\n  t.dehihebrew = 0x05ad;\n  t.dehiragana = 0x3067;\n  t.deicoptic = 0x03ef;\n  t.dekatakana = 0x30c7;\n  t.deleteleft = 0x232b;\n  t.deleteright = 0x2326;\n  t.delta = 0x03b4;\n  t.deltaturned = 0x018d;\n  t.denominatorminusonenumeratorbengali = 0x09f8;\n  t.dezh = 0x02a4;\n  t.dhabengali = 0x09a7;\n  t.dhadeva = 0x0927;\n  t.dhagujarati = 0x0aa7;\n  t.dhagurmukhi = 0x0a27;\n  t.dhook = 0x0257;\n  t.dialytikatonos = 0x0385;\n  t.dialytikatonoscmb = 0x0344;\n  t.diamond = 0x2666;\n  t.diamondsuitwhite = 0x2662;\n  t.dieresis = 0x00a8;\n  t.dieresisacute = 0xf6d7;\n  t.dieresisbelowcmb = 0x0324;\n  t.dieresiscmb = 0x0308;\n  t.dieresisgrave = 0xf6d8;\n  t.dieresistonos = 0x0385;\n  t.dihiragana = 0x3062;\n  t.dikatakana = 0x30c2;\n  t.dittomark = 0x3003;\n  t.divide = 0x00f7;\n  t.divides = 0x2223;\n  t.divisionslash = 0x2215;\n  t.djecyrillic = 0x0452;\n  t.dkshade = 0x2593;\n  t.dlinebelow = 0x1e0f;\n  t.dlsquare = 0x3397;\n  t.dmacron = 0x0111;\n  t.dmonospace = 0xff44;\n  t.dnblock = 0x2584;\n  t.dochadathai = 0x0e0e;\n  t.dodekthai = 0x0e14;\n  t.dohiragana = 0x3069;\n  t.dokatakana = 0x30c9;\n  t.dollar = 0x0024;\n  t.dollarinferior = 0xf6e3;\n  t.dollarmonospace = 0xff04;\n  t.dollaroldstyle = 0xf724;\n  t.dollarsmall = 0xfe69;\n  t.dollarsuperior = 0xf6e4;\n  t.dong = 0x20ab;\n  t.dorusquare = 0x3326;\n  t.dotaccent = 0x02d9;\n  t.dotaccentcmb = 0x0307;\n  t.dotbelowcmb = 0x0323;\n  t.dotbelowcomb = 0x0323;\n  t.dotkatakana = 0x30fb;\n  t.dotlessi = 0x0131;\n  t.dotlessj = 0xf6be;\n  t.dotlessjstrokehook = 0x0284;\n  t.dotmath = 0x22c5;\n  t.dottedcircle = 0x25cc;\n  t.doubleyodpatah = 0xfb1f;\n  t.doubleyodpatahhebrew = 0xfb1f;\n  t.downtackbelowcmb = 0x031e;\n  t.downtackmod = 0x02d5;\n  t.dparen = 0x249f;\n  t.dsuperior = 0xf6eb;\n  t.dtail = 0x0256;\n  t.dtopbar = 0x018c;\n  t.duhiragana = 0x3065;\n  t.dukatakana = 0x30c5;\n  t.dz = 0x01f3;\n  t.dzaltone = 0x02a3;\n  t.dzcaron = 0x01c6;\n  t.dzcurl = 0x02a5;\n  t.dzeabkhasiancyrillic = 0x04e1;\n  t.dzecyrillic = 0x0455;\n  t.dzhecyrillic = 0x045f;\n  t.e = 0x0065;\n  t.eacute = 0x00e9;\n  t.earth = 0x2641;\n  t.ebengali = 0x098f;\n  t.ebopomofo = 0x311c;\n  t.ebreve = 0x0115;\n  t.ecandradeva = 0x090d;\n  t.ecandragujarati = 0x0a8d;\n  t.ecandravowelsigndeva = 0x0945;\n  t.ecandravowelsigngujarati = 0x0ac5;\n  t.ecaron = 0x011b;\n  t.ecedillabreve = 0x1e1d;\n  t.echarmenian = 0x0565;\n  t.echyiwnarmenian = 0x0587;\n  t.ecircle = 0x24d4;\n  t.ecircumflex = 0x00ea;\n  t.ecircumflexacute = 0x1ebf;\n  t.ecircumflexbelow = 0x1e19;\n  t.ecircumflexdotbelow = 0x1ec7;\n  t.ecircumflexgrave = 0x1ec1;\n  t.ecircumflexhookabove = 0x1ec3;\n  t.ecircumflextilde = 0x1ec5;\n  t.ecyrillic = 0x0454;\n  t.edblgrave = 0x0205;\n  t.edeva = 0x090f;\n  t.edieresis = 0x00eb;\n  t.edot = 0x0117;\n  t.edotaccent = 0x0117;\n  t.edotbelow = 0x1eb9;\n  t.eegurmukhi = 0x0a0f;\n  t.eematragurmukhi = 0x0a47;\n  t.efcyrillic = 0x0444;\n  t.egrave = 0x00e8;\n  t.egujarati = 0x0a8f;\n  t.eharmenian = 0x0567;\n  t.ehbopomofo = 0x311d;\n  t.ehiragana = 0x3048;\n  t.ehookabove = 0x1ebb;\n  t.eibopomofo = 0x311f;\n  t.eight = 0x0038;\n  t.eightarabic = 0x0668;\n  t.eightbengali = 0x09ee;\n  t.eightcircle = 0x2467;\n  t.eightcircleinversesansserif = 0x2791;\n  t.eightdeva = 0x096e;\n  t.eighteencircle = 0x2471;\n  t.eighteenparen = 0x2485;\n  t.eighteenperiod = 0x2499;\n  t.eightgujarati = 0x0aee;\n  t.eightgurmukhi = 0x0a6e;\n  t.eighthackarabic = 0x0668;\n  t.eighthangzhou = 0x3028;\n  t.eighthnotebeamed = 0x266b;\n  t.eightideographicparen = 0x3227;\n  t.eightinferior = 0x2088;\n  t.eightmonospace = 0xff18;\n  t.eightoldstyle = 0xf738;\n  t.eightparen = 0x247b;\n  t.eightperiod = 0x248f;\n  t.eightpersian = 0x06f8;\n  t.eightroman = 0x2177;\n  t.eightsuperior = 0x2078;\n  t.eightthai = 0x0e58;\n  t.einvertedbreve = 0x0207;\n  t.eiotifiedcyrillic = 0x0465;\n  t.ekatakana = 0x30a8;\n  t.ekatakanahalfwidth = 0xff74;\n  t.ekonkargurmukhi = 0x0a74;\n  t.ekorean = 0x3154;\n  t.elcyrillic = 0x043b;\n  t.element = 0x2208;\n  t.elevencircle = 0x246a;\n  t.elevenparen = 0x247e;\n  t.elevenperiod = 0x2492;\n  t.elevenroman = 0x217a;\n  t.ellipsis = 0x2026;\n  t.ellipsisvertical = 0x22ee;\n  t.emacron = 0x0113;\n  t.emacronacute = 0x1e17;\n  t.emacrongrave = 0x1e15;\n  t.emcyrillic = 0x043c;\n  t.emdash = 0x2014;\n  t.emdashvertical = 0xfe31;\n  t.emonospace = 0xff45;\n  t.emphasismarkarmenian = 0x055b;\n  t.emptyset = 0x2205;\n  t.enbopomofo = 0x3123;\n  t.encyrillic = 0x043d;\n  t.endash = 0x2013;\n  t.endashvertical = 0xfe32;\n  t.endescendercyrillic = 0x04a3;\n  t.eng = 0x014b;\n  t.engbopomofo = 0x3125;\n  t.enghecyrillic = 0x04a5;\n  t.enhookcyrillic = 0x04c8;\n  t.enspace = 0x2002;\n  t.eogonek = 0x0119;\n  t.eokorean = 0x3153;\n  t.eopen = 0x025b;\n  t.eopenclosed = 0x029a;\n  t.eopenreversed = 0x025c;\n  t.eopenreversedclosed = 0x025e;\n  t.eopenreversedhook = 0x025d;\n  t.eparen = 0x24a0;\n  t.epsilon = 0x03b5;\n  t.epsilontonos = 0x03ad;\n  t.equal = 0x003d;\n  t.equalmonospace = 0xff1d;\n  t.equalsmall = 0xfe66;\n  t.equalsuperior = 0x207c;\n  t.equivalence = 0x2261;\n  t.erbopomofo = 0x3126;\n  t.ercyrillic = 0x0440;\n  t.ereversed = 0x0258;\n  t.ereversedcyrillic = 0x044d;\n  t.escyrillic = 0x0441;\n  t.esdescendercyrillic = 0x04ab;\n  t.esh = 0x0283;\n  t.eshcurl = 0x0286;\n  t.eshortdeva = 0x090e;\n  t.eshortvowelsigndeva = 0x0946;\n  t.eshreversedloop = 0x01aa;\n  t.eshsquatreversed = 0x0285;\n  t.esmallhiragana = 0x3047;\n  t.esmallkatakana = 0x30a7;\n  t.esmallkatakanahalfwidth = 0xff6a;\n  t.estimated = 0x212e;\n  t.esuperior = 0xf6ec;\n  t.eta = 0x03b7;\n  t.etarmenian = 0x0568;\n  t.etatonos = 0x03ae;\n  t.eth = 0x00f0;\n  t.etilde = 0x1ebd;\n  t.etildebelow = 0x1e1b;\n  t.etnahtafoukhhebrew = 0x0591;\n  t.etnahtafoukhlefthebrew = 0x0591;\n  t.etnahtahebrew = 0x0591;\n  t.etnahtalefthebrew = 0x0591;\n  t.eturned = 0x01dd;\n  t.eukorean = 0x3161;\n  t.euro = 0x20ac;\n  t.evowelsignbengali = 0x09c7;\n  t.evowelsigndeva = 0x0947;\n  t.evowelsigngujarati = 0x0ac7;\n  t.exclam = 0x0021;\n  t.exclamarmenian = 0x055c;\n  t.exclamdbl = 0x203c;\n  t.exclamdown = 0x00a1;\n  t.exclamdownsmall = 0xf7a1;\n  t.exclammonospace = 0xff01;\n  t.exclamsmall = 0xf721;\n  t.existential = 0x2203;\n  t.ezh = 0x0292;\n  t.ezhcaron = 0x01ef;\n  t.ezhcurl = 0x0293;\n  t.ezhreversed = 0x01b9;\n  t.ezhtail = 0x01ba;\n  t.f = 0x0066;\n  t.fadeva = 0x095e;\n  t.fagurmukhi = 0x0a5e;\n  t.fahrenheit = 0x2109;\n  t.fathaarabic = 0x064e;\n  t.fathalowarabic = 0x064e;\n  t.fathatanarabic = 0x064b;\n  t.fbopomofo = 0x3108;\n  t.fcircle = 0x24d5;\n  t.fdotaccent = 0x1e1f;\n  t.feharabic = 0x0641;\n  t.feharmenian = 0x0586;\n  t.fehfinalarabic = 0xfed2;\n  t.fehinitialarabic = 0xfed3;\n  t.fehmedialarabic = 0xfed4;\n  t.feicoptic = 0x03e5;\n  t.female = 0x2640;\n  t.ff = 0xfb00;\n  t.f_f = 0xfb00; // Fixes issue 11016.\n  t.ffi = 0xfb03;\n  t.ffl = 0xfb04;\n  t.fi = 0xfb01;\n  t.fifteencircle = 0x246e;\n  t.fifteenparen = 0x2482;\n  t.fifteenperiod = 0x2496;\n  t.figuredash = 0x2012;\n  t.filledbox = 0x25a0;\n  t.filledrect = 0x25ac;\n  t.finalkaf = 0x05da;\n  t.finalkafdagesh = 0xfb3a;\n  t.finalkafdageshhebrew = 0xfb3a;\n  t.finalkafhebrew = 0x05da;\n  t.finalmem = 0x05dd;\n  t.finalmemhebrew = 0x05dd;\n  t.finalnun = 0x05df;\n  t.finalnunhebrew = 0x05df;\n  t.finalpe = 0x05e3;\n  t.finalpehebrew = 0x05e3;\n  t.finaltsadi = 0x05e5;\n  t.finaltsadihebrew = 0x05e5;\n  t.firsttonechinese = 0x02c9;\n  t.fisheye = 0x25c9;\n  t.fitacyrillic = 0x0473;\n  t.five = 0x0035;\n  t.fivearabic = 0x0665;\n  t.fivebengali = 0x09eb;\n  t.fivecircle = 0x2464;\n  t.fivecircleinversesansserif = 0x278e;\n  t.fivedeva = 0x096b;\n  t.fiveeighths = 0x215d;\n  t.fivegujarati = 0x0aeb;\n  t.fivegurmukhi = 0x0a6b;\n  t.fivehackarabic = 0x0665;\n  t.fivehangzhou = 0x3025;\n  t.fiveideographicparen = 0x3224;\n  t.fiveinferior = 0x2085;\n  t.fivemonospace = 0xff15;\n  t.fiveoldstyle = 0xf735;\n  t.fiveparen = 0x2478;\n  t.fiveperiod = 0x248c;\n  t.fivepersian = 0x06f5;\n  t.fiveroman = 0x2174;\n  t.fivesuperior = 0x2075;\n  t.fivethai = 0x0e55;\n  t.fl = 0xfb02;\n  t.florin = 0x0192;\n  t.fmonospace = 0xff46;\n  t.fmsquare = 0x3399;\n  t.fofanthai = 0x0e1f;\n  t.fofathai = 0x0e1d;\n  t.fongmanthai = 0x0e4f;\n  t.forall = 0x2200;\n  t.four = 0x0034;\n  t.fourarabic = 0x0664;\n  t.fourbengali = 0x09ea;\n  t.fourcircle = 0x2463;\n  t.fourcircleinversesansserif = 0x278d;\n  t.fourdeva = 0x096a;\n  t.fourgujarati = 0x0aea;\n  t.fourgurmukhi = 0x0a6a;\n  t.fourhackarabic = 0x0664;\n  t.fourhangzhou = 0x3024;\n  t.fourideographicparen = 0x3223;\n  t.fourinferior = 0x2084;\n  t.fourmonospace = 0xff14;\n  t.fournumeratorbengali = 0x09f7;\n  t.fouroldstyle = 0xf734;\n  t.fourparen = 0x2477;\n  t.fourperiod = 0x248b;\n  t.fourpersian = 0x06f4;\n  t.fourroman = 0x2173;\n  t.foursuperior = 0x2074;\n  t.fourteencircle = 0x246d;\n  t.fourteenparen = 0x2481;\n  t.fourteenperiod = 0x2495;\n  t.fourthai = 0x0e54;\n  t.fourthtonechinese = 0x02cb;\n  t.fparen = 0x24a1;\n  t.fraction = 0x2044;\n  t.franc = 0x20a3;\n  t.g = 0x0067;\n  t.gabengali = 0x0997;\n  t.gacute = 0x01f5;\n  t.gadeva = 0x0917;\n  t.gafarabic = 0x06af;\n  t.gaffinalarabic = 0xfb93;\n  t.gafinitialarabic = 0xfb94;\n  t.gafmedialarabic = 0xfb95;\n  t.gagujarati = 0x0a97;\n  t.gagurmukhi = 0x0a17;\n  t.gahiragana = 0x304c;\n  t.gakatakana = 0x30ac;\n  t.gamma = 0x03b3;\n  t.gammalatinsmall = 0x0263;\n  t.gammasuperior = 0x02e0;\n  t.gangiacoptic = 0x03eb;\n  t.gbopomofo = 0x310d;\n  t.gbreve = 0x011f;\n  t.gcaron = 0x01e7;\n  t.gcedilla = 0x0123;\n  t.gcircle = 0x24d6;\n  t.gcircumflex = 0x011d;\n  t.gcommaaccent = 0x0123;\n  t.gdot = 0x0121;\n  t.gdotaccent = 0x0121;\n  t.gecyrillic = 0x0433;\n  t.gehiragana = 0x3052;\n  t.gekatakana = 0x30b2;\n  t.geometricallyequal = 0x2251;\n  t.gereshaccenthebrew = 0x059c;\n  t.gereshhebrew = 0x05f3;\n  t.gereshmuqdamhebrew = 0x059d;\n  t.germandbls = 0x00df;\n  t.gershayimaccenthebrew = 0x059e;\n  t.gershayimhebrew = 0x05f4;\n  t.getamark = 0x3013;\n  t.ghabengali = 0x0998;\n  t.ghadarmenian = 0x0572;\n  t.ghadeva = 0x0918;\n  t.ghagujarati = 0x0a98;\n  t.ghagurmukhi = 0x0a18;\n  t.ghainarabic = 0x063a;\n  t.ghainfinalarabic = 0xfece;\n  t.ghaininitialarabic = 0xfecf;\n  t.ghainmedialarabic = 0xfed0;\n  t.ghemiddlehookcyrillic = 0x0495;\n  t.ghestrokecyrillic = 0x0493;\n  t.gheupturncyrillic = 0x0491;\n  t.ghhadeva = 0x095a;\n  t.ghhagurmukhi = 0x0a5a;\n  t.ghook = 0x0260;\n  t.ghzsquare = 0x3393;\n  t.gihiragana = 0x304e;\n  t.gikatakana = 0x30ae;\n  t.gimarmenian = 0x0563;\n  t.gimel = 0x05d2;\n  t.gimeldagesh = 0xfb32;\n  t.gimeldageshhebrew = 0xfb32;\n  t.gimelhebrew = 0x05d2;\n  t.gjecyrillic = 0x0453;\n  t.glottalinvertedstroke = 0x01be;\n  t.glottalstop = 0x0294;\n  t.glottalstopinverted = 0x0296;\n  t.glottalstopmod = 0x02c0;\n  t.glottalstopreversed = 0x0295;\n  t.glottalstopreversedmod = 0x02c1;\n  t.glottalstopreversedsuperior = 0x02e4;\n  t.glottalstopstroke = 0x02a1;\n  t.glottalstopstrokereversed = 0x02a2;\n  t.gmacron = 0x1e21;\n  t.gmonospace = 0xff47;\n  t.gohiragana = 0x3054;\n  t.gokatakana = 0x30b4;\n  t.gparen = 0x24a2;\n  t.gpasquare = 0x33ac;\n  t.gradient = 0x2207;\n  t.grave = 0x0060;\n  t.gravebelowcmb = 0x0316;\n  t.gravecmb = 0x0300;\n  t.gravecomb = 0x0300;\n  t.gravedeva = 0x0953;\n  t.gravelowmod = 0x02ce;\n  t.gravemonospace = 0xff40;\n  t.gravetonecmb = 0x0340;\n  t.greater = 0x003e;\n  t.greaterequal = 0x2265;\n  t.greaterequalorless = 0x22db;\n  t.greatermonospace = 0xff1e;\n  t.greaterorequivalent = 0x2273;\n  t.greaterorless = 0x2277;\n  t.greateroverequal = 0x2267;\n  t.greatersmall = 0xfe65;\n  t.gscript = 0x0261;\n  t.gstroke = 0x01e5;\n  t.guhiragana = 0x3050;\n  t.guillemotleft = 0x00ab;\n  t.guillemotright = 0x00bb;\n  t.guilsinglleft = 0x2039;\n  t.guilsinglright = 0x203a;\n  t.gukatakana = 0x30b0;\n  t.guramusquare = 0x3318;\n  t.gysquare = 0x33c9;\n  t.h = 0x0068;\n  t.haabkhasiancyrillic = 0x04a9;\n  t.haaltonearabic = 0x06c1;\n  t.habengali = 0x09b9;\n  t.hadescendercyrillic = 0x04b3;\n  t.hadeva = 0x0939;\n  t.hagujarati = 0x0ab9;\n  t.hagurmukhi = 0x0a39;\n  t.haharabic = 0x062d;\n  t.hahfinalarabic = 0xfea2;\n  t.hahinitialarabic = 0xfea3;\n  t.hahiragana = 0x306f;\n  t.hahmedialarabic = 0xfea4;\n  t.haitusquare = 0x332a;\n  t.hakatakana = 0x30cf;\n  t.hakatakanahalfwidth = 0xff8a;\n  t.halantgurmukhi = 0x0a4d;\n  t.hamzaarabic = 0x0621;\n  t.hamzalowarabic = 0x0621;\n  t.hangulfiller = 0x3164;\n  t.hardsigncyrillic = 0x044a;\n  t.harpoonleftbarbup = 0x21bc;\n  t.harpoonrightbarbup = 0x21c0;\n  t.hasquare = 0x33ca;\n  t.hatafpatah = 0x05b2;\n  t.hatafpatah16 = 0x05b2;\n  t.hatafpatah23 = 0x05b2;\n  t.hatafpatah2f = 0x05b2;\n  t.hatafpatahhebrew = 0x05b2;\n  t.hatafpatahnarrowhebrew = 0x05b2;\n  t.hatafpatahquarterhebrew = 0x05b2;\n  t.hatafpatahwidehebrew = 0x05b2;\n  t.hatafqamats = 0x05b3;\n  t.hatafqamats1b = 0x05b3;\n  t.hatafqamats28 = 0x05b3;\n  t.hatafqamats34 = 0x05b3;\n  t.hatafqamatshebrew = 0x05b3;\n  t.hatafqamatsnarrowhebrew = 0x05b3;\n  t.hatafqamatsquarterhebrew = 0x05b3;\n  t.hatafqamatswidehebrew = 0x05b3;\n  t.hatafsegol = 0x05b1;\n  t.hatafsegol17 = 0x05b1;\n  t.hatafsegol24 = 0x05b1;\n  t.hatafsegol30 = 0x05b1;\n  t.hatafsegolhebrew = 0x05b1;\n  t.hatafsegolnarrowhebrew = 0x05b1;\n  t.hatafsegolquarterhebrew = 0x05b1;\n  t.hatafsegolwidehebrew = 0x05b1;\n  t.hbar = 0x0127;\n  t.hbopomofo = 0x310f;\n  t.hbrevebelow = 0x1e2b;\n  t.hcedilla = 0x1e29;\n  t.hcircle = 0x24d7;\n  t.hcircumflex = 0x0125;\n  t.hdieresis = 0x1e27;\n  t.hdotaccent = 0x1e23;\n  t.hdotbelow = 0x1e25;\n  t.he = 0x05d4;\n  t.heart = 0x2665;\n  t.heartsuitblack = 0x2665;\n  t.heartsuitwhite = 0x2661;\n  t.hedagesh = 0xfb34;\n  t.hedageshhebrew = 0xfb34;\n  t.hehaltonearabic = 0x06c1;\n  t.heharabic = 0x0647;\n  t.hehebrew = 0x05d4;\n  t.hehfinalaltonearabic = 0xfba7;\n  t.hehfinalalttwoarabic = 0xfeea;\n  t.hehfinalarabic = 0xfeea;\n  t.hehhamzaabovefinalarabic = 0xfba5;\n  t.hehhamzaaboveisolatedarabic = 0xfba4;\n  t.hehinitialaltonearabic = 0xfba8;\n  t.hehinitialarabic = 0xfeeb;\n  t.hehiragana = 0x3078;\n  t.hehmedialaltonearabic = 0xfba9;\n  t.hehmedialarabic = 0xfeec;\n  t.heiseierasquare = 0x337b;\n  t.hekatakana = 0x30d8;\n  t.hekatakanahalfwidth = 0xff8d;\n  t.hekutaarusquare = 0x3336;\n  t.henghook = 0x0267;\n  t.herutusquare = 0x3339;\n  t.het = 0x05d7;\n  t.hethebrew = 0x05d7;\n  t.hhook = 0x0266;\n  t.hhooksuperior = 0x02b1;\n  t.hieuhacirclekorean = 0x327b;\n  t.hieuhaparenkorean = 0x321b;\n  t.hieuhcirclekorean = 0x326d;\n  t.hieuhkorean = 0x314e;\n  t.hieuhparenkorean = 0x320d;\n  t.hihiragana = 0x3072;\n  t.hikatakana = 0x30d2;\n  t.hikatakanahalfwidth = 0xff8b;\n  t.hiriq = 0x05b4;\n  t.hiriq14 = 0x05b4;\n  t.hiriq21 = 0x05b4;\n  t.hiriq2d = 0x05b4;\n  t.hiriqhebrew = 0x05b4;\n  t.hiriqnarrowhebrew = 0x05b4;\n  t.hiriqquarterhebrew = 0x05b4;\n  t.hiriqwidehebrew = 0x05b4;\n  t.hlinebelow = 0x1e96;\n  t.hmonospace = 0xff48;\n  t.hoarmenian = 0x0570;\n  t.hohipthai = 0x0e2b;\n  t.hohiragana = 0x307b;\n  t.hokatakana = 0x30db;\n  t.hokatakanahalfwidth = 0xff8e;\n  t.holam = 0x05b9;\n  t.holam19 = 0x05b9;\n  t.holam26 = 0x05b9;\n  t.holam32 = 0x05b9;\n  t.holamhebrew = 0x05b9;\n  t.holamnarrowhebrew = 0x05b9;\n  t.holamquarterhebrew = 0x05b9;\n  t.holamwidehebrew = 0x05b9;\n  t.honokhukthai = 0x0e2e;\n  t.hookabovecomb = 0x0309;\n  t.hookcmb = 0x0309;\n  t.hookpalatalizedbelowcmb = 0x0321;\n  t.hookretroflexbelowcmb = 0x0322;\n  t.hoonsquare = 0x3342;\n  t.horicoptic = 0x03e9;\n  t.horizontalbar = 0x2015;\n  t.horncmb = 0x031b;\n  t.hotsprings = 0x2668;\n  t.house = 0x2302;\n  t.hparen = 0x24a3;\n  t.hsuperior = 0x02b0;\n  t.hturned = 0x0265;\n  t.huhiragana = 0x3075;\n  t.huiitosquare = 0x3333;\n  t.hukatakana = 0x30d5;\n  t.hukatakanahalfwidth = 0xff8c;\n  t.hungarumlaut = 0x02dd;\n  t.hungarumlautcmb = 0x030b;\n  t.hv = 0x0195;\n  t.hyphen = 0x002d;\n  t.hypheninferior = 0xf6e5;\n  t.hyphenmonospace = 0xff0d;\n  t.hyphensmall = 0xfe63;\n  t.hyphensuperior = 0xf6e6;\n  t.hyphentwo = 0x2010;\n  t.i = 0x0069;\n  t.iacute = 0x00ed;\n  t.iacyrillic = 0x044f;\n  t.ibengali = 0x0987;\n  t.ibopomofo = 0x3127;\n  t.ibreve = 0x012d;\n  t.icaron = 0x01d0;\n  t.icircle = 0x24d8;\n  t.icircumflex = 0x00ee;\n  t.icyrillic = 0x0456;\n  t.idblgrave = 0x0209;\n  t.ideographearthcircle = 0x328f;\n  t.ideographfirecircle = 0x328b;\n  t.ideographicallianceparen = 0x323f;\n  t.ideographiccallparen = 0x323a;\n  t.ideographiccentrecircle = 0x32a5;\n  t.ideographicclose = 0x3006;\n  t.ideographiccomma = 0x3001;\n  t.ideographiccommaleft = 0xff64;\n  t.ideographiccongratulationparen = 0x3237;\n  t.ideographiccorrectcircle = 0x32a3;\n  t.ideographicearthparen = 0x322f;\n  t.ideographicenterpriseparen = 0x323d;\n  t.ideographicexcellentcircle = 0x329d;\n  t.ideographicfestivalparen = 0x3240;\n  t.ideographicfinancialcircle = 0x3296;\n  t.ideographicfinancialparen = 0x3236;\n  t.ideographicfireparen = 0x322b;\n  t.ideographichaveparen = 0x3232;\n  t.ideographichighcircle = 0x32a4;\n  t.ideographiciterationmark = 0x3005;\n  t.ideographiclaborcircle = 0x3298;\n  t.ideographiclaborparen = 0x3238;\n  t.ideographicleftcircle = 0x32a7;\n  t.ideographiclowcircle = 0x32a6;\n  t.ideographicmedicinecircle = 0x32a9;\n  t.ideographicmetalparen = 0x322e;\n  t.ideographicmoonparen = 0x322a;\n  t.ideographicnameparen = 0x3234;\n  t.ideographicperiod = 0x3002;\n  t.ideographicprintcircle = 0x329e;\n  t.ideographicreachparen = 0x3243;\n  t.ideographicrepresentparen = 0x3239;\n  t.ideographicresourceparen = 0x323e;\n  t.ideographicrightcircle = 0x32a8;\n  t.ideographicsecretcircle = 0x3299;\n  t.ideographicselfparen = 0x3242;\n  t.ideographicsocietyparen = 0x3233;\n  t.ideographicspace = 0x3000;\n  t.ideographicspecialparen = 0x3235;\n  t.ideographicstockparen = 0x3231;\n  t.ideographicstudyparen = 0x323b;\n  t.ideographicsunparen = 0x3230;\n  t.ideographicsuperviseparen = 0x323c;\n  t.ideographicwaterparen = 0x322c;\n  t.ideographicwoodparen = 0x322d;\n  t.ideographiczero = 0x3007;\n  t.ideographmetalcircle = 0x328e;\n  t.ideographmooncircle = 0x328a;\n  t.ideographnamecircle = 0x3294;\n  t.ideographsuncircle = 0x3290;\n  t.ideographwatercircle = 0x328c;\n  t.ideographwoodcircle = 0x328d;\n  t.ideva = 0x0907;\n  t.idieresis = 0x00ef;\n  t.idieresisacute = 0x1e2f;\n  t.idieresiscyrillic = 0x04e5;\n  t.idotbelow = 0x1ecb;\n  t.iebrevecyrillic = 0x04d7;\n  t.iecyrillic = 0x0435;\n  t.ieungacirclekorean = 0x3275;\n  t.ieungaparenkorean = 0x3215;\n  t.ieungcirclekorean = 0x3267;\n  t.ieungkorean = 0x3147;\n  t.ieungparenkorean = 0x3207;\n  t.igrave = 0x00ec;\n  t.igujarati = 0x0a87;\n  t.igurmukhi = 0x0a07;\n  t.ihiragana = 0x3044;\n  t.ihookabove = 0x1ec9;\n  t.iibengali = 0x0988;\n  t.iicyrillic = 0x0438;\n  t.iideva = 0x0908;\n  t.iigujarati = 0x0a88;\n  t.iigurmukhi = 0x0a08;\n  t.iimatragurmukhi = 0x0a40;\n  t.iinvertedbreve = 0x020b;\n  t.iishortcyrillic = 0x0439;\n  t.iivowelsignbengali = 0x09c0;\n  t.iivowelsigndeva = 0x0940;\n  t.iivowelsigngujarati = 0x0ac0;\n  t.ij = 0x0133;\n  t.ikatakana = 0x30a4;\n  t.ikatakanahalfwidth = 0xff72;\n  t.ikorean = 0x3163;\n  t.ilde = 0x02dc;\n  t.iluyhebrew = 0x05ac;\n  t.imacron = 0x012b;\n  t.imacroncyrillic = 0x04e3;\n  t.imageorapproximatelyequal = 0x2253;\n  t.imatragurmukhi = 0x0a3f;\n  t.imonospace = 0xff49;\n  t.increment = 0x2206;\n  t.infinity = 0x221e;\n  t.iniarmenian = 0x056b;\n  t.integral = 0x222b;\n  t.integralbottom = 0x2321;\n  t.integralbt = 0x2321;\n  t.integralex = 0xf8f5;\n  t.integraltop = 0x2320;\n  t.integraltp = 0x2320;\n  t.intersection = 0x2229;\n  t.intisquare = 0x3305;\n  t.invbullet = 0x25d8;\n  t.invcircle = 0x25d9;\n  t.invsmileface = 0x263b;\n  t.iocyrillic = 0x0451;\n  t.iogonek = 0x012f;\n  t.iota = 0x03b9;\n  t.iotadieresis = 0x03ca;\n  t.iotadieresistonos = 0x0390;\n  t.iotalatin = 0x0269;\n  t.iotatonos = 0x03af;\n  t.iparen = 0x24a4;\n  t.irigurmukhi = 0x0a72;\n  t.ismallhiragana = 0x3043;\n  t.ismallkatakana = 0x30a3;\n  t.ismallkatakanahalfwidth = 0xff68;\n  t.issharbengali = 0x09fa;\n  t.istroke = 0x0268;\n  t.isuperior = 0xf6ed;\n  t.iterationhiragana = 0x309d;\n  t.iterationkatakana = 0x30fd;\n  t.itilde = 0x0129;\n  t.itildebelow = 0x1e2d;\n  t.iubopomofo = 0x3129;\n  t.iucyrillic = 0x044e;\n  t.ivowelsignbengali = 0x09bf;\n  t.ivowelsigndeva = 0x093f;\n  t.ivowelsigngujarati = 0x0abf;\n  t.izhitsacyrillic = 0x0475;\n  t.izhitsadblgravecyrillic = 0x0477;\n  t.j = 0x006a;\n  t.jaarmenian = 0x0571;\n  t.jabengali = 0x099c;\n  t.jadeva = 0x091c;\n  t.jagujarati = 0x0a9c;\n  t.jagurmukhi = 0x0a1c;\n  t.jbopomofo = 0x3110;\n  t.jcaron = 0x01f0;\n  t.jcircle = 0x24d9;\n  t.jcircumflex = 0x0135;\n  t.jcrossedtail = 0x029d;\n  t.jdotlessstroke = 0x025f;\n  t.jecyrillic = 0x0458;\n  t.jeemarabic = 0x062c;\n  t.jeemfinalarabic = 0xfe9e;\n  t.jeeminitialarabic = 0xfe9f;\n  t.jeemmedialarabic = 0xfea0;\n  t.jeharabic = 0x0698;\n  t.jehfinalarabic = 0xfb8b;\n  t.jhabengali = 0x099d;\n  t.jhadeva = 0x091d;\n  t.jhagujarati = 0x0a9d;\n  t.jhagurmukhi = 0x0a1d;\n  t.jheharmenian = 0x057b;\n  t.jis = 0x3004;\n  t.jmonospace = 0xff4a;\n  t.jparen = 0x24a5;\n  t.jsuperior = 0x02b2;\n  t.k = 0x006b;\n  t.kabashkircyrillic = 0x04a1;\n  t.kabengali = 0x0995;\n  t.kacute = 0x1e31;\n  t.kacyrillic = 0x043a;\n  t.kadescendercyrillic = 0x049b;\n  t.kadeva = 0x0915;\n  t.kaf = 0x05db;\n  t.kafarabic = 0x0643;\n  t.kafdagesh = 0xfb3b;\n  t.kafdageshhebrew = 0xfb3b;\n  t.kaffinalarabic = 0xfeda;\n  t.kafhebrew = 0x05db;\n  t.kafinitialarabic = 0xfedb;\n  t.kafmedialarabic = 0xfedc;\n  t.kafrafehebrew = 0xfb4d;\n  t.kagujarati = 0x0a95;\n  t.kagurmukhi = 0x0a15;\n  t.kahiragana = 0x304b;\n  t.kahookcyrillic = 0x04c4;\n  t.kakatakana = 0x30ab;\n  t.kakatakanahalfwidth = 0xff76;\n  t.kappa = 0x03ba;\n  t.kappasymbolgreek = 0x03f0;\n  t.kapyeounmieumkorean = 0x3171;\n  t.kapyeounphieuphkorean = 0x3184;\n  t.kapyeounpieupkorean = 0x3178;\n  t.kapyeounssangpieupkorean = 0x3179;\n  t.karoriisquare = 0x330d;\n  t.kashidaautoarabic = 0x0640;\n  t.kashidaautonosidebearingarabic = 0x0640;\n  t.kasmallkatakana = 0x30f5;\n  t.kasquare = 0x3384;\n  t.kasraarabic = 0x0650;\n  t.kasratanarabic = 0x064d;\n  t.kastrokecyrillic = 0x049f;\n  t.katahiraprolongmarkhalfwidth = 0xff70;\n  t.kaverticalstrokecyrillic = 0x049d;\n  t.kbopomofo = 0x310e;\n  t.kcalsquare = 0x3389;\n  t.kcaron = 0x01e9;\n  t.kcedilla = 0x0137;\n  t.kcircle = 0x24da;\n  t.kcommaaccent = 0x0137;\n  t.kdotbelow = 0x1e33;\n  t.keharmenian = 0x0584;\n  t.kehiragana = 0x3051;\n  t.kekatakana = 0x30b1;\n  t.kekatakanahalfwidth = 0xff79;\n  t.kenarmenian = 0x056f;\n  t.kesmallkatakana = 0x30f6;\n  t.kgreenlandic = 0x0138;\n  t.khabengali = 0x0996;\n  t.khacyrillic = 0x0445;\n  t.khadeva = 0x0916;\n  t.khagujarati = 0x0a96;\n  t.khagurmukhi = 0x0a16;\n  t.khaharabic = 0x062e;\n  t.khahfinalarabic = 0xfea6;\n  t.khahinitialarabic = 0xfea7;\n  t.khahmedialarabic = 0xfea8;\n  t.kheicoptic = 0x03e7;\n  t.khhadeva = 0x0959;\n  t.khhagurmukhi = 0x0a59;\n  t.khieukhacirclekorean = 0x3278;\n  t.khieukhaparenkorean = 0x3218;\n  t.khieukhcirclekorean = 0x326a;\n  t.khieukhkorean = 0x314b;\n  t.khieukhparenkorean = 0x320a;\n  t.khokhaithai = 0x0e02;\n  t.khokhonthai = 0x0e05;\n  t.khokhuatthai = 0x0e03;\n  t.khokhwaithai = 0x0e04;\n  t.khomutthai = 0x0e5b;\n  t.khook = 0x0199;\n  t.khorakhangthai = 0x0e06;\n  t.khzsquare = 0x3391;\n  t.kihiragana = 0x304d;\n  t.kikatakana = 0x30ad;\n  t.kikatakanahalfwidth = 0xff77;\n  t.kiroguramusquare = 0x3315;\n  t.kiromeetorusquare = 0x3316;\n  t.kirosquare = 0x3314;\n  t.kiyeokacirclekorean = 0x326e;\n  t.kiyeokaparenkorean = 0x320e;\n  t.kiyeokcirclekorean = 0x3260;\n  t.kiyeokkorean = 0x3131;\n  t.kiyeokparenkorean = 0x3200;\n  t.kiyeoksioskorean = 0x3133;\n  t.kjecyrillic = 0x045c;\n  t.klinebelow = 0x1e35;\n  t.klsquare = 0x3398;\n  t.kmcubedsquare = 0x33a6;\n  t.kmonospace = 0xff4b;\n  t.kmsquaredsquare = 0x33a2;\n  t.kohiragana = 0x3053;\n  t.kohmsquare = 0x33c0;\n  t.kokaithai = 0x0e01;\n  t.kokatakana = 0x30b3;\n  t.kokatakanahalfwidth = 0xff7a;\n  t.kooposquare = 0x331e;\n  t.koppacyrillic = 0x0481;\n  t.koreanstandardsymbol = 0x327f;\n  t.koroniscmb = 0x0343;\n  t.kparen = 0x24a6;\n  t.kpasquare = 0x33aa;\n  t.ksicyrillic = 0x046f;\n  t.ktsquare = 0x33cf;\n  t.kturned = 0x029e;\n  t.kuhiragana = 0x304f;\n  t.kukatakana = 0x30af;\n  t.kukatakanahalfwidth = 0xff78;\n  t.kvsquare = 0x33b8;\n  t.kwsquare = 0x33be;\n  t.l = 0x006c;\n  t.labengali = 0x09b2;\n  t.lacute = 0x013a;\n  t.ladeva = 0x0932;\n  t.lagujarati = 0x0ab2;\n  t.lagurmukhi = 0x0a32;\n  t.lakkhangyaothai = 0x0e45;\n  t.lamaleffinalarabic = 0xfefc;\n  t.lamalefhamzaabovefinalarabic = 0xfef8;\n  t.lamalefhamzaaboveisolatedarabic = 0xfef7;\n  t.lamalefhamzabelowfinalarabic = 0xfefa;\n  t.lamalefhamzabelowisolatedarabic = 0xfef9;\n  t.lamalefisolatedarabic = 0xfefb;\n  t.lamalefmaddaabovefinalarabic = 0xfef6;\n  t.lamalefmaddaaboveisolatedarabic = 0xfef5;\n  t.lamarabic = 0x0644;\n  t.lambda = 0x03bb;\n  t.lambdastroke = 0x019b;\n  t.lamed = 0x05dc;\n  t.lameddagesh = 0xfb3c;\n  t.lameddageshhebrew = 0xfb3c;\n  t.lamedhebrew = 0x05dc;\n  t.lamfinalarabic = 0xfede;\n  t.lamhahinitialarabic = 0xfcca;\n  t.laminitialarabic = 0xfedf;\n  t.lamjeeminitialarabic = 0xfcc9;\n  t.lamkhahinitialarabic = 0xfccb;\n  t.lamlamhehisolatedarabic = 0xfdf2;\n  t.lammedialarabic = 0xfee0;\n  t.lammeemhahinitialarabic = 0xfd88;\n  t.lammeeminitialarabic = 0xfccc;\n  t.largecircle = 0x25ef;\n  t.lbar = 0x019a;\n  t.lbelt = 0x026c;\n  t.lbopomofo = 0x310c;\n  t.lcaron = 0x013e;\n  t.lcedilla = 0x013c;\n  t.lcircle = 0x24db;\n  t.lcircumflexbelow = 0x1e3d;\n  t.lcommaaccent = 0x013c;\n  t.ldot = 0x0140;\n  t.ldotaccent = 0x0140;\n  t.ldotbelow = 0x1e37;\n  t.ldotbelowmacron = 0x1e39;\n  t.leftangleabovecmb = 0x031a;\n  t.lefttackbelowcmb = 0x0318;\n  t.less = 0x003c;\n  t.lessequal = 0x2264;\n  t.lessequalorgreater = 0x22da;\n  t.lessmonospace = 0xff1c;\n  t.lessorequivalent = 0x2272;\n  t.lessorgreater = 0x2276;\n  t.lessoverequal = 0x2266;\n  t.lesssmall = 0xfe64;\n  t.lezh = 0x026e;\n  t.lfblock = 0x258c;\n  t.lhookretroflex = 0x026d;\n  t.lira = 0x20a4;\n  t.liwnarmenian = 0x056c;\n  t.lj = 0x01c9;\n  t.ljecyrillic = 0x0459;\n  t.ll = 0xf6c0;\n  t.lladeva = 0x0933;\n  t.llagujarati = 0x0ab3;\n  t.llinebelow = 0x1e3b;\n  t.llladeva = 0x0934;\n  t.llvocalicbengali = 0x09e1;\n  t.llvocalicdeva = 0x0961;\n  t.llvocalicvowelsignbengali = 0x09e3;\n  t.llvocalicvowelsigndeva = 0x0963;\n  t.lmiddletilde = 0x026b;\n  t.lmonospace = 0xff4c;\n  t.lmsquare = 0x33d0;\n  t.lochulathai = 0x0e2c;\n  t.logicaland = 0x2227;\n  t.logicalnot = 0x00ac;\n  t.logicalnotreversed = 0x2310;\n  t.logicalor = 0x2228;\n  t.lolingthai = 0x0e25;\n  t.longs = 0x017f;\n  t.lowlinecenterline = 0xfe4e;\n  t.lowlinecmb = 0x0332;\n  t.lowlinedashed = 0xfe4d;\n  t.lozenge = 0x25ca;\n  t.lparen = 0x24a7;\n  t.lslash = 0x0142;\n  t.lsquare = 0x2113;\n  t.lsuperior = 0xf6ee;\n  t.ltshade = 0x2591;\n  t.luthai = 0x0e26;\n  t.lvocalicbengali = 0x098c;\n  t.lvocalicdeva = 0x090c;\n  t.lvocalicvowelsignbengali = 0x09e2;\n  t.lvocalicvowelsigndeva = 0x0962;\n  t.lxsquare = 0x33d3;\n  t.m = 0x006d;\n  t.mabengali = 0x09ae;\n  t.macron = 0x00af;\n  t.macronbelowcmb = 0x0331;\n  t.macroncmb = 0x0304;\n  t.macronlowmod = 0x02cd;\n  t.macronmonospace = 0xffe3;\n  t.macute = 0x1e3f;\n  t.madeva = 0x092e;\n  t.magujarati = 0x0aae;\n  t.magurmukhi = 0x0a2e;\n  t.mahapakhhebrew = 0x05a4;\n  t.mahapakhlefthebrew = 0x05a4;\n  t.mahiragana = 0x307e;\n  t.maichattawalowleftthai = 0xf895;\n  t.maichattawalowrightthai = 0xf894;\n  t.maichattawathai = 0x0e4b;\n  t.maichattawaupperleftthai = 0xf893;\n  t.maieklowleftthai = 0xf88c;\n  t.maieklowrightthai = 0xf88b;\n  t.maiekthai = 0x0e48;\n  t.maiekupperleftthai = 0xf88a;\n  t.maihanakatleftthai = 0xf884;\n  t.maihanakatthai = 0x0e31;\n  t.maitaikhuleftthai = 0xf889;\n  t.maitaikhuthai = 0x0e47;\n  t.maitholowleftthai = 0xf88f;\n  t.maitholowrightthai = 0xf88e;\n  t.maithothai = 0x0e49;\n  t.maithoupperleftthai = 0xf88d;\n  t.maitrilowleftthai = 0xf892;\n  t.maitrilowrightthai = 0xf891;\n  t.maitrithai = 0x0e4a;\n  t.maitriupperleftthai = 0xf890;\n  t.maiyamokthai = 0x0e46;\n  t.makatakana = 0x30de;\n  t.makatakanahalfwidth = 0xff8f;\n  t.male = 0x2642;\n  t.mansyonsquare = 0x3347;\n  t.maqafhebrew = 0x05be;\n  t.mars = 0x2642;\n  t.masoracirclehebrew = 0x05af;\n  t.masquare = 0x3383;\n  t.mbopomofo = 0x3107;\n  t.mbsquare = 0x33d4;\n  t.mcircle = 0x24dc;\n  t.mcubedsquare = 0x33a5;\n  t.mdotaccent = 0x1e41;\n  t.mdotbelow = 0x1e43;\n  t.meemarabic = 0x0645;\n  t.meemfinalarabic = 0xfee2;\n  t.meeminitialarabic = 0xfee3;\n  t.meemmedialarabic = 0xfee4;\n  t.meemmeeminitialarabic = 0xfcd1;\n  t.meemmeemisolatedarabic = 0xfc48;\n  t.meetorusquare = 0x334d;\n  t.mehiragana = 0x3081;\n  t.meizierasquare = 0x337e;\n  t.mekatakana = 0x30e1;\n  t.mekatakanahalfwidth = 0xff92;\n  t.mem = 0x05de;\n  t.memdagesh = 0xfb3e;\n  t.memdageshhebrew = 0xfb3e;\n  t.memhebrew = 0x05de;\n  t.menarmenian = 0x0574;\n  t.merkhahebrew = 0x05a5;\n  t.merkhakefulahebrew = 0x05a6;\n  t.merkhakefulalefthebrew = 0x05a6;\n  t.merkhalefthebrew = 0x05a5;\n  t.mhook = 0x0271;\n  t.mhzsquare = 0x3392;\n  t.middledotkatakanahalfwidth = 0xff65;\n  t.middot = 0x00b7;\n  t.mieumacirclekorean = 0x3272;\n  t.mieumaparenkorean = 0x3212;\n  t.mieumcirclekorean = 0x3264;\n  t.mieumkorean = 0x3141;\n  t.mieumpansioskorean = 0x3170;\n  t.mieumparenkorean = 0x3204;\n  t.mieumpieupkorean = 0x316e;\n  t.mieumsioskorean = 0x316f;\n  t.mihiragana = 0x307f;\n  t.mikatakana = 0x30df;\n  t.mikatakanahalfwidth = 0xff90;\n  t.minus = 0x2212;\n  t.minusbelowcmb = 0x0320;\n  t.minuscircle = 0x2296;\n  t.minusmod = 0x02d7;\n  t.minusplus = 0x2213;\n  t.minute = 0x2032;\n  t.miribaarusquare = 0x334a;\n  t.mirisquare = 0x3349;\n  t.mlonglegturned = 0x0270;\n  t.mlsquare = 0x3396;\n  t.mmcubedsquare = 0x33a3;\n  t.mmonospace = 0xff4d;\n  t.mmsquaredsquare = 0x339f;\n  t.mohiragana = 0x3082;\n  t.mohmsquare = 0x33c1;\n  t.mokatakana = 0x30e2;\n  t.mokatakanahalfwidth = 0xff93;\n  t.molsquare = 0x33d6;\n  t.momathai = 0x0e21;\n  t.moverssquare = 0x33a7;\n  t.moverssquaredsquare = 0x33a8;\n  t.mparen = 0x24a8;\n  t.mpasquare = 0x33ab;\n  t.mssquare = 0x33b3;\n  t.msuperior = 0xf6ef;\n  t.mturned = 0x026f;\n  t.mu = 0x00b5;\n  t.mu1 = 0x00b5;\n  t.muasquare = 0x3382;\n  t.muchgreater = 0x226b;\n  t.muchless = 0x226a;\n  t.mufsquare = 0x338c;\n  t.mugreek = 0x03bc;\n  t.mugsquare = 0x338d;\n  t.muhiragana = 0x3080;\n  t.mukatakana = 0x30e0;\n  t.mukatakanahalfwidth = 0xff91;\n  t.mulsquare = 0x3395;\n  t.multiply = 0x00d7;\n  t.mumsquare = 0x339b;\n  t.munahhebrew = 0x05a3;\n  t.munahlefthebrew = 0x05a3;\n  t.musicalnote = 0x266a;\n  t.musicalnotedbl = 0x266b;\n  t.musicflatsign = 0x266d;\n  t.musicsharpsign = 0x266f;\n  t.mussquare = 0x33b2;\n  t.muvsquare = 0x33b6;\n  t.muwsquare = 0x33bc;\n  t.mvmegasquare = 0x33b9;\n  t.mvsquare = 0x33b7;\n  t.mwmegasquare = 0x33bf;\n  t.mwsquare = 0x33bd;\n  t.n = 0x006e;\n  t.nabengali = 0x09a8;\n  t.nabla = 0x2207;\n  t.nacute = 0x0144;\n  t.nadeva = 0x0928;\n  t.nagujarati = 0x0aa8;\n  t.nagurmukhi = 0x0a28;\n  t.nahiragana = 0x306a;\n  t.nakatakana = 0x30ca;\n  t.nakatakanahalfwidth = 0xff85;\n  t.napostrophe = 0x0149;\n  t.nasquare = 0x3381;\n  t.nbopomofo = 0x310b;\n  t.nbspace = 0x00a0;\n  t.ncaron = 0x0148;\n  t.ncedilla = 0x0146;\n  t.ncircle = 0x24dd;\n  t.ncircumflexbelow = 0x1e4b;\n  t.ncommaaccent = 0x0146;\n  t.ndotaccent = 0x1e45;\n  t.ndotbelow = 0x1e47;\n  t.nehiragana = 0x306d;\n  t.nekatakana = 0x30cd;\n  t.nekatakanahalfwidth = 0xff88;\n  t.newsheqelsign = 0x20aa;\n  t.nfsquare = 0x338b;\n  t.ngabengali = 0x0999;\n  t.ngadeva = 0x0919;\n  t.ngagujarati = 0x0a99;\n  t.ngagurmukhi = 0x0a19;\n  t.ngonguthai = 0x0e07;\n  t.nhiragana = 0x3093;\n  t.nhookleft = 0x0272;\n  t.nhookretroflex = 0x0273;\n  t.nieunacirclekorean = 0x326f;\n  t.nieunaparenkorean = 0x320f;\n  t.nieuncieuckorean = 0x3135;\n  t.nieuncirclekorean = 0x3261;\n  t.nieunhieuhkorean = 0x3136;\n  t.nieunkorean = 0x3134;\n  t.nieunpansioskorean = 0x3168;\n  t.nieunparenkorean = 0x3201;\n  t.nieunsioskorean = 0x3167;\n  t.nieuntikeutkorean = 0x3166;\n  t.nihiragana = 0x306b;\n  t.nikatakana = 0x30cb;\n  t.nikatakanahalfwidth = 0xff86;\n  t.nikhahitleftthai = 0xf899;\n  t.nikhahitthai = 0x0e4d;\n  t.nine = 0x0039;\n  t.ninearabic = 0x0669;\n  t.ninebengali = 0x09ef;\n  t.ninecircle = 0x2468;\n  t.ninecircleinversesansserif = 0x2792;\n  t.ninedeva = 0x096f;\n  t.ninegujarati = 0x0aef;\n  t.ninegurmukhi = 0x0a6f;\n  t.ninehackarabic = 0x0669;\n  t.ninehangzhou = 0x3029;\n  t.nineideographicparen = 0x3228;\n  t.nineinferior = 0x2089;\n  t.ninemonospace = 0xff19;\n  t.nineoldstyle = 0xf739;\n  t.nineparen = 0x247c;\n  t.nineperiod = 0x2490;\n  t.ninepersian = 0x06f9;\n  t.nineroman = 0x2178;\n  t.ninesuperior = 0x2079;\n  t.nineteencircle = 0x2472;\n  t.nineteenparen = 0x2486;\n  t.nineteenperiod = 0x249a;\n  t.ninethai = 0x0e59;\n  t.nj = 0x01cc;\n  t.njecyrillic = 0x045a;\n  t.nkatakana = 0x30f3;\n  t.nkatakanahalfwidth = 0xff9d;\n  t.nlegrightlong = 0x019e;\n  t.nlinebelow = 0x1e49;\n  t.nmonospace = 0xff4e;\n  t.nmsquare = 0x339a;\n  t.nnabengali = 0x09a3;\n  t.nnadeva = 0x0923;\n  t.nnagujarati = 0x0aa3;\n  t.nnagurmukhi = 0x0a23;\n  t.nnnadeva = 0x0929;\n  t.nohiragana = 0x306e;\n  t.nokatakana = 0x30ce;\n  t.nokatakanahalfwidth = 0xff89;\n  t.nonbreakingspace = 0x00a0;\n  t.nonenthai = 0x0e13;\n  t.nonuthai = 0x0e19;\n  t.noonarabic = 0x0646;\n  t.noonfinalarabic = 0xfee6;\n  t.noonghunnaarabic = 0x06ba;\n  t.noonghunnafinalarabic = 0xfb9f;\n  t.nooninitialarabic = 0xfee7;\n  t.noonjeeminitialarabic = 0xfcd2;\n  t.noonjeemisolatedarabic = 0xfc4b;\n  t.noonmedialarabic = 0xfee8;\n  t.noonmeeminitialarabic = 0xfcd5;\n  t.noonmeemisolatedarabic = 0xfc4e;\n  t.noonnoonfinalarabic = 0xfc8d;\n  t.notcontains = 0x220c;\n  t.notelement = 0x2209;\n  t.notelementof = 0x2209;\n  t.notequal = 0x2260;\n  t.notgreater = 0x226f;\n  t.notgreaternorequal = 0x2271;\n  t.notgreaternorless = 0x2279;\n  t.notidentical = 0x2262;\n  t.notless = 0x226e;\n  t.notlessnorequal = 0x2270;\n  t.notparallel = 0x2226;\n  t.notprecedes = 0x2280;\n  t.notsubset = 0x2284;\n  t.notsucceeds = 0x2281;\n  t.notsuperset = 0x2285;\n  t.nowarmenian = 0x0576;\n  t.nparen = 0x24a9;\n  t.nssquare = 0x33b1;\n  t.nsuperior = 0x207f;\n  t.ntilde = 0x00f1;\n  t.nu = 0x03bd;\n  t.nuhiragana = 0x306c;\n  t.nukatakana = 0x30cc;\n  t.nukatakanahalfwidth = 0xff87;\n  t.nuktabengali = 0x09bc;\n  t.nuktadeva = 0x093c;\n  t.nuktagujarati = 0x0abc;\n  t.nuktagurmukhi = 0x0a3c;\n  t.numbersign = 0x0023;\n  t.numbersignmonospace = 0xff03;\n  t.numbersignsmall = 0xfe5f;\n  t.numeralsigngreek = 0x0374;\n  t.numeralsignlowergreek = 0x0375;\n  t.numero = 0x2116;\n  t.nun = 0x05e0;\n  t.nundagesh = 0xfb40;\n  t.nundageshhebrew = 0xfb40;\n  t.nunhebrew = 0x05e0;\n  t.nvsquare = 0x33b5;\n  t.nwsquare = 0x33bb;\n  t.nyabengali = 0x099e;\n  t.nyadeva = 0x091e;\n  t.nyagujarati = 0x0a9e;\n  t.nyagurmukhi = 0x0a1e;\n  t.o = 0x006f;\n  t.oacute = 0x00f3;\n  t.oangthai = 0x0e2d;\n  t.obarred = 0x0275;\n  t.obarredcyrillic = 0x04e9;\n  t.obarreddieresiscyrillic = 0x04eb;\n  t.obengali = 0x0993;\n  t.obopomofo = 0x311b;\n  t.obreve = 0x014f;\n  t.ocandradeva = 0x0911;\n  t.ocandragujarati = 0x0a91;\n  t.ocandravowelsigndeva = 0x0949;\n  t.ocandravowelsigngujarati = 0x0ac9;\n  t.ocaron = 0x01d2;\n  t.ocircle = 0x24de;\n  t.ocircumflex = 0x00f4;\n  t.ocircumflexacute = 0x1ed1;\n  t.ocircumflexdotbelow = 0x1ed9;\n  t.ocircumflexgrave = 0x1ed3;\n  t.ocircumflexhookabove = 0x1ed5;\n  t.ocircumflextilde = 0x1ed7;\n  t.ocyrillic = 0x043e;\n  t.odblacute = 0x0151;\n  t.odblgrave = 0x020d;\n  t.odeva = 0x0913;\n  t.odieresis = 0x00f6;\n  t.odieresiscyrillic = 0x04e7;\n  t.odotbelow = 0x1ecd;\n  t.oe = 0x0153;\n  t.oekorean = 0x315a;\n  t.ogonek = 0x02db;\n  t.ogonekcmb = 0x0328;\n  t.ograve = 0x00f2;\n  t.ogujarati = 0x0a93;\n  t.oharmenian = 0x0585;\n  t.ohiragana = 0x304a;\n  t.ohookabove = 0x1ecf;\n  t.ohorn = 0x01a1;\n  t.ohornacute = 0x1edb;\n  t.ohorndotbelow = 0x1ee3;\n  t.ohorngrave = 0x1edd;\n  t.ohornhookabove = 0x1edf;\n  t.ohorntilde = 0x1ee1;\n  t.ohungarumlaut = 0x0151;\n  t.oi = 0x01a3;\n  t.oinvertedbreve = 0x020f;\n  t.okatakana = 0x30aa;\n  t.okatakanahalfwidth = 0xff75;\n  t.okorean = 0x3157;\n  t.olehebrew = 0x05ab;\n  t.omacron = 0x014d;\n  t.omacronacute = 0x1e53;\n  t.omacrongrave = 0x1e51;\n  t.omdeva = 0x0950;\n  t.omega = 0x03c9;\n  t.omega1 = 0x03d6;\n  t.omegacyrillic = 0x0461;\n  t.omegalatinclosed = 0x0277;\n  t.omegaroundcyrillic = 0x047b;\n  t.omegatitlocyrillic = 0x047d;\n  t.omegatonos = 0x03ce;\n  t.omgujarati = 0x0ad0;\n  t.omicron = 0x03bf;\n  t.omicrontonos = 0x03cc;\n  t.omonospace = 0xff4f;\n  t.one = 0x0031;\n  t.onearabic = 0x0661;\n  t.onebengali = 0x09e7;\n  t.onecircle = 0x2460;\n  t.onecircleinversesansserif = 0x278a;\n  t.onedeva = 0x0967;\n  t.onedotenleader = 0x2024;\n  t.oneeighth = 0x215b;\n  t.onefitted = 0xf6dc;\n  t.onegujarati = 0x0ae7;\n  t.onegurmukhi = 0x0a67;\n  t.onehackarabic = 0x0661;\n  t.onehalf = 0x00bd;\n  t.onehangzhou = 0x3021;\n  t.oneideographicparen = 0x3220;\n  t.oneinferior = 0x2081;\n  t.onemonospace = 0xff11;\n  t.onenumeratorbengali = 0x09f4;\n  t.oneoldstyle = 0xf731;\n  t.oneparen = 0x2474;\n  t.oneperiod = 0x2488;\n  t.onepersian = 0x06f1;\n  t.onequarter = 0x00bc;\n  t.oneroman = 0x2170;\n  t.onesuperior = 0x00b9;\n  t.onethai = 0x0e51;\n  t.onethird = 0x2153;\n  t.oogonek = 0x01eb;\n  t.oogonekmacron = 0x01ed;\n  t.oogurmukhi = 0x0a13;\n  t.oomatragurmukhi = 0x0a4b;\n  t.oopen = 0x0254;\n  t.oparen = 0x24aa;\n  t.openbullet = 0x25e6;\n  t.option = 0x2325;\n  t.ordfeminine = 0x00aa;\n  t.ordmasculine = 0x00ba;\n  t.orthogonal = 0x221f;\n  t.oshortdeva = 0x0912;\n  t.oshortvowelsigndeva = 0x094a;\n  t.oslash = 0x00f8;\n  t.oslashacute = 0x01ff;\n  t.osmallhiragana = 0x3049;\n  t.osmallkatakana = 0x30a9;\n  t.osmallkatakanahalfwidth = 0xff6b;\n  t.ostrokeacute = 0x01ff;\n  t.osuperior = 0xf6f0;\n  t.otcyrillic = 0x047f;\n  t.otilde = 0x00f5;\n  t.otildeacute = 0x1e4d;\n  t.otildedieresis = 0x1e4f;\n  t.oubopomofo = 0x3121;\n  t.overline = 0x203e;\n  t.overlinecenterline = 0xfe4a;\n  t.overlinecmb = 0x0305;\n  t.overlinedashed = 0xfe49;\n  t.overlinedblwavy = 0xfe4c;\n  t.overlinewavy = 0xfe4b;\n  t.overscore = 0x00af;\n  t.ovowelsignbengali = 0x09cb;\n  t.ovowelsigndeva = 0x094b;\n  t.ovowelsigngujarati = 0x0acb;\n  t.p = 0x0070;\n  t.paampssquare = 0x3380;\n  t.paasentosquare = 0x332b;\n  t.pabengali = 0x09aa;\n  t.pacute = 0x1e55;\n  t.padeva = 0x092a;\n  t.pagedown = 0x21df;\n  t.pageup = 0x21de;\n  t.pagujarati = 0x0aaa;\n  t.pagurmukhi = 0x0a2a;\n  t.pahiragana = 0x3071;\n  t.paiyannoithai = 0x0e2f;\n  t.pakatakana = 0x30d1;\n  t.palatalizationcyrilliccmb = 0x0484;\n  t.palochkacyrillic = 0x04c0;\n  t.pansioskorean = 0x317f;\n  t.paragraph = 0x00b6;\n  t.parallel = 0x2225;\n  t.parenleft = 0x0028;\n  t.parenleftaltonearabic = 0xfd3e;\n  t.parenleftbt = 0xf8ed;\n  t.parenleftex = 0xf8ec;\n  t.parenleftinferior = 0x208d;\n  t.parenleftmonospace = 0xff08;\n  t.parenleftsmall = 0xfe59;\n  t.parenleftsuperior = 0x207d;\n  t.parenlefttp = 0xf8eb;\n  t.parenleftvertical = 0xfe35;\n  t.parenright = 0x0029;\n  t.parenrightaltonearabic = 0xfd3f;\n  t.parenrightbt = 0xf8f8;\n  t.parenrightex = 0xf8f7;\n  t.parenrightinferior = 0x208e;\n  t.parenrightmonospace = 0xff09;\n  t.parenrightsmall = 0xfe5a;\n  t.parenrightsuperior = 0x207e;\n  t.parenrighttp = 0xf8f6;\n  t.parenrightvertical = 0xfe36;\n  t.partialdiff = 0x2202;\n  t.paseqhebrew = 0x05c0;\n  t.pashtahebrew = 0x0599;\n  t.pasquare = 0x33a9;\n  t.patah = 0x05b7;\n  t.patah11 = 0x05b7;\n  t.patah1d = 0x05b7;\n  t.patah2a = 0x05b7;\n  t.patahhebrew = 0x05b7;\n  t.patahnarrowhebrew = 0x05b7;\n  t.patahquarterhebrew = 0x05b7;\n  t.patahwidehebrew = 0x05b7;\n  t.pazerhebrew = 0x05a1;\n  t.pbopomofo = 0x3106;\n  t.pcircle = 0x24df;\n  t.pdotaccent = 0x1e57;\n  t.pe = 0x05e4;\n  t.pecyrillic = 0x043f;\n  t.pedagesh = 0xfb44;\n  t.pedageshhebrew = 0xfb44;\n  t.peezisquare = 0x333b;\n  t.pefinaldageshhebrew = 0xfb43;\n  t.peharabic = 0x067e;\n  t.peharmenian = 0x057a;\n  t.pehebrew = 0x05e4;\n  t.pehfinalarabic = 0xfb57;\n  t.pehinitialarabic = 0xfb58;\n  t.pehiragana = 0x307a;\n  t.pehmedialarabic = 0xfb59;\n  t.pekatakana = 0x30da;\n  t.pemiddlehookcyrillic = 0x04a7;\n  t.perafehebrew = 0xfb4e;\n  t.percent = 0x0025;\n  t.percentarabic = 0x066a;\n  t.percentmonospace = 0xff05;\n  t.percentsmall = 0xfe6a;\n  t.period = 0x002e;\n  t.periodarmenian = 0x0589;\n  t.periodcentered = 0x00b7;\n  t.periodhalfwidth = 0xff61;\n  t.periodinferior = 0xf6e7;\n  t.periodmonospace = 0xff0e;\n  t.periodsmall = 0xfe52;\n  t.periodsuperior = 0xf6e8;\n  t.perispomenigreekcmb = 0x0342;\n  t.perpendicular = 0x22a5;\n  t.perthousand = 0x2030;\n  t.peseta = 0x20a7;\n  t.pfsquare = 0x338a;\n  t.phabengali = 0x09ab;\n  t.phadeva = 0x092b;\n  t.phagujarati = 0x0aab;\n  t.phagurmukhi = 0x0a2b;\n  t.phi = 0x03c6;\n  t.phi1 = 0x03d5;\n  t.phieuphacirclekorean = 0x327a;\n  t.phieuphaparenkorean = 0x321a;\n  t.phieuphcirclekorean = 0x326c;\n  t.phieuphkorean = 0x314d;\n  t.phieuphparenkorean = 0x320c;\n  t.philatin = 0x0278;\n  t.phinthuthai = 0x0e3a;\n  t.phisymbolgreek = 0x03d5;\n  t.phook = 0x01a5;\n  t.phophanthai = 0x0e1e;\n  t.phophungthai = 0x0e1c;\n  t.phosamphaothai = 0x0e20;\n  t.pi = 0x03c0;\n  t.pieupacirclekorean = 0x3273;\n  t.pieupaparenkorean = 0x3213;\n  t.pieupcieuckorean = 0x3176;\n  t.pieupcirclekorean = 0x3265;\n  t.pieupkiyeokkorean = 0x3172;\n  t.pieupkorean = 0x3142;\n  t.pieupparenkorean = 0x3205;\n  t.pieupsioskiyeokkorean = 0x3174;\n  t.pieupsioskorean = 0x3144;\n  t.pieupsiostikeutkorean = 0x3175;\n  t.pieupthieuthkorean = 0x3177;\n  t.pieuptikeutkorean = 0x3173;\n  t.pihiragana = 0x3074;\n  t.pikatakana = 0x30d4;\n  t.pisymbolgreek = 0x03d6;\n  t.piwrarmenian = 0x0583;\n  t.plus = 0x002b;\n  t.plusbelowcmb = 0x031f;\n  t.pluscircle = 0x2295;\n  t.plusminus = 0x00b1;\n  t.plusmod = 0x02d6;\n  t.plusmonospace = 0xff0b;\n  t.plussmall = 0xfe62;\n  t.plussuperior = 0x207a;\n  t.pmonospace = 0xff50;\n  t.pmsquare = 0x33d8;\n  t.pohiragana = 0x307d;\n  t.pointingindexdownwhite = 0x261f;\n  t.pointingindexleftwhite = 0x261c;\n  t.pointingindexrightwhite = 0x261e;\n  t.pointingindexupwhite = 0x261d;\n  t.pokatakana = 0x30dd;\n  t.poplathai = 0x0e1b;\n  t.postalmark = 0x3012;\n  t.postalmarkface = 0x3020;\n  t.pparen = 0x24ab;\n  t.precedes = 0x227a;\n  t.prescription = 0x211e;\n  t.primemod = 0x02b9;\n  t.primereversed = 0x2035;\n  t.product = 0x220f;\n  t.projective = 0x2305;\n  t.prolongedkana = 0x30fc;\n  t.propellor = 0x2318;\n  t.propersubset = 0x2282;\n  t.propersuperset = 0x2283;\n  t.proportion = 0x2237;\n  t.proportional = 0x221d;\n  t.psi = 0x03c8;\n  t.psicyrillic = 0x0471;\n  t.psilipneumatacyrilliccmb = 0x0486;\n  t.pssquare = 0x33b0;\n  t.puhiragana = 0x3077;\n  t.pukatakana = 0x30d7;\n  t.pvsquare = 0x33b4;\n  t.pwsquare = 0x33ba;\n  t.q = 0x0071;\n  t.qadeva = 0x0958;\n  t.qadmahebrew = 0x05a8;\n  t.qafarabic = 0x0642;\n  t.qaffinalarabic = 0xfed6;\n  t.qafinitialarabic = 0xfed7;\n  t.qafmedialarabic = 0xfed8;\n  t.qamats = 0x05b8;\n  t.qamats10 = 0x05b8;\n  t.qamats1a = 0x05b8;\n  t.qamats1c = 0x05b8;\n  t.qamats27 = 0x05b8;\n  t.qamats29 = 0x05b8;\n  t.qamats33 = 0x05b8;\n  t.qamatsde = 0x05b8;\n  t.qamatshebrew = 0x05b8;\n  t.qamatsnarrowhebrew = 0x05b8;\n  t.qamatsqatanhebrew = 0x05b8;\n  t.qamatsqatannarrowhebrew = 0x05b8;\n  t.qamatsqatanquarterhebrew = 0x05b8;\n  t.qamatsqatanwidehebrew = 0x05b8;\n  t.qamatsquarterhebrew = 0x05b8;\n  t.qamatswidehebrew = 0x05b8;\n  t.qarneyparahebrew = 0x059f;\n  t.qbopomofo = 0x3111;\n  t.qcircle = 0x24e0;\n  t.qhook = 0x02a0;\n  t.qmonospace = 0xff51;\n  t.qof = 0x05e7;\n  t.qofdagesh = 0xfb47;\n  t.qofdageshhebrew = 0xfb47;\n  t.qofhebrew = 0x05e7;\n  t.qparen = 0x24ac;\n  t.quarternote = 0x2669;\n  t.qubuts = 0x05bb;\n  t.qubuts18 = 0x05bb;\n  t.qubuts25 = 0x05bb;\n  t.qubuts31 = 0x05bb;\n  t.qubutshebrew = 0x05bb;\n  t.qubutsnarrowhebrew = 0x05bb;\n  t.qubutsquarterhebrew = 0x05bb;\n  t.qubutswidehebrew = 0x05bb;\n  t.question = 0x003f;\n  t.questionarabic = 0x061f;\n  t.questionarmenian = 0x055e;\n  t.questiondown = 0x00bf;\n  t.questiondownsmall = 0xf7bf;\n  t.questiongreek = 0x037e;\n  t.questionmonospace = 0xff1f;\n  t.questionsmall = 0xf73f;\n  t.quotedbl = 0x0022;\n  t.quotedblbase = 0x201e;\n  t.quotedblleft = 0x201c;\n  t.quotedblmonospace = 0xff02;\n  t.quotedblprime = 0x301e;\n  t.quotedblprimereversed = 0x301d;\n  t.quotedblright = 0x201d;\n  t.quoteleft = 0x2018;\n  t.quoteleftreversed = 0x201b;\n  t.quotereversed = 0x201b;\n  t.quoteright = 0x2019;\n  t.quoterightn = 0x0149;\n  t.quotesinglbase = 0x201a;\n  t.quotesingle = 0x0027;\n  t.quotesinglemonospace = 0xff07;\n  t.r = 0x0072;\n  t.raarmenian = 0x057c;\n  t.rabengali = 0x09b0;\n  t.racute = 0x0155;\n  t.radeva = 0x0930;\n  t.radical = 0x221a;\n  t.radicalex = 0xf8e5;\n  t.radoverssquare = 0x33ae;\n  t.radoverssquaredsquare = 0x33af;\n  t.radsquare = 0x33ad;\n  t.rafe = 0x05bf;\n  t.rafehebrew = 0x05bf;\n  t.ragujarati = 0x0ab0;\n  t.ragurmukhi = 0x0a30;\n  t.rahiragana = 0x3089;\n  t.rakatakana = 0x30e9;\n  t.rakatakanahalfwidth = 0xff97;\n  t.ralowerdiagonalbengali = 0x09f1;\n  t.ramiddlediagonalbengali = 0x09f0;\n  t.ramshorn = 0x0264;\n  t.ratio = 0x2236;\n  t.rbopomofo = 0x3116;\n  t.rcaron = 0x0159;\n  t.rcedilla = 0x0157;\n  t.rcircle = 0x24e1;\n  t.rcommaaccent = 0x0157;\n  t.rdblgrave = 0x0211;\n  t.rdotaccent = 0x1e59;\n  t.rdotbelow = 0x1e5b;\n  t.rdotbelowmacron = 0x1e5d;\n  t.referencemark = 0x203b;\n  t.reflexsubset = 0x2286;\n  t.reflexsuperset = 0x2287;\n  t.registered = 0x00ae;\n  t.registersans = 0xf8e8;\n  t.registerserif = 0xf6da;\n  t.reharabic = 0x0631;\n  t.reharmenian = 0x0580;\n  t.rehfinalarabic = 0xfeae;\n  t.rehiragana = 0x308c;\n  t.rekatakana = 0x30ec;\n  t.rekatakanahalfwidth = 0xff9a;\n  t.resh = 0x05e8;\n  t.reshdageshhebrew = 0xfb48;\n  t.reshhebrew = 0x05e8;\n  t.reversedtilde = 0x223d;\n  t.reviahebrew = 0x0597;\n  t.reviamugrashhebrew = 0x0597;\n  t.revlogicalnot = 0x2310;\n  t.rfishhook = 0x027e;\n  t.rfishhookreversed = 0x027f;\n  t.rhabengali = 0x09dd;\n  t.rhadeva = 0x095d;\n  t.rho = 0x03c1;\n  t.rhook = 0x027d;\n  t.rhookturned = 0x027b;\n  t.rhookturnedsuperior = 0x02b5;\n  t.rhosymbolgreek = 0x03f1;\n  t.rhotichookmod = 0x02de;\n  t.rieulacirclekorean = 0x3271;\n  t.rieulaparenkorean = 0x3211;\n  t.rieulcirclekorean = 0x3263;\n  t.rieulhieuhkorean = 0x3140;\n  t.rieulkiyeokkorean = 0x313a;\n  t.rieulkiyeoksioskorean = 0x3169;\n  t.rieulkorean = 0x3139;\n  t.rieulmieumkorean = 0x313b;\n  t.rieulpansioskorean = 0x316c;\n  t.rieulparenkorean = 0x3203;\n  t.rieulphieuphkorean = 0x313f;\n  t.rieulpieupkorean = 0x313c;\n  t.rieulpieupsioskorean = 0x316b;\n  t.rieulsioskorean = 0x313d;\n  t.rieulthieuthkorean = 0x313e;\n  t.rieultikeutkorean = 0x316a;\n  t.rieulyeorinhieuhkorean = 0x316d;\n  t.rightangle = 0x221f;\n  t.righttackbelowcmb = 0x0319;\n  t.righttriangle = 0x22bf;\n  t.rihiragana = 0x308a;\n  t.rikatakana = 0x30ea;\n  t.rikatakanahalfwidth = 0xff98;\n  t.ring = 0x02da;\n  t.ringbelowcmb = 0x0325;\n  t.ringcmb = 0x030a;\n  t.ringhalfleft = 0x02bf;\n  t.ringhalfleftarmenian = 0x0559;\n  t.ringhalfleftbelowcmb = 0x031c;\n  t.ringhalfleftcentered = 0x02d3;\n  t.ringhalfright = 0x02be;\n  t.ringhalfrightbelowcmb = 0x0339;\n  t.ringhalfrightcentered = 0x02d2;\n  t.rinvertedbreve = 0x0213;\n  t.rittorusquare = 0x3351;\n  t.rlinebelow = 0x1e5f;\n  t.rlongleg = 0x027c;\n  t.rlonglegturned = 0x027a;\n  t.rmonospace = 0xff52;\n  t.rohiragana = 0x308d;\n  t.rokatakana = 0x30ed;\n  t.rokatakanahalfwidth = 0xff9b;\n  t.roruathai = 0x0e23;\n  t.rparen = 0x24ad;\n  t.rrabengali = 0x09dc;\n  t.rradeva = 0x0931;\n  t.rragurmukhi = 0x0a5c;\n  t.rreharabic = 0x0691;\n  t.rrehfinalarabic = 0xfb8d;\n  t.rrvocalicbengali = 0x09e0;\n  t.rrvocalicdeva = 0x0960;\n  t.rrvocalicgujarati = 0x0ae0;\n  t.rrvocalicvowelsignbengali = 0x09c4;\n  t.rrvocalicvowelsigndeva = 0x0944;\n  t.rrvocalicvowelsigngujarati = 0x0ac4;\n  t.rsuperior = 0xf6f1;\n  t.rtblock = 0x2590;\n  t.rturned = 0x0279;\n  t.rturnedsuperior = 0x02b4;\n  t.ruhiragana = 0x308b;\n  t.rukatakana = 0x30eb;\n  t.rukatakanahalfwidth = 0xff99;\n  t.rupeemarkbengali = 0x09f2;\n  t.rupeesignbengali = 0x09f3;\n  t.rupiah = 0xf6dd;\n  t.ruthai = 0x0e24;\n  t.rvocalicbengali = 0x098b;\n  t.rvocalicdeva = 0x090b;\n  t.rvocalicgujarati = 0x0a8b;\n  t.rvocalicvowelsignbengali = 0x09c3;\n  t.rvocalicvowelsigndeva = 0x0943;\n  t.rvocalicvowelsigngujarati = 0x0ac3;\n  t.s = 0x0073;\n  t.sabengali = 0x09b8;\n  t.sacute = 0x015b;\n  t.sacutedotaccent = 0x1e65;\n  t.sadarabic = 0x0635;\n  t.sadeva = 0x0938;\n  t.sadfinalarabic = 0xfeba;\n  t.sadinitialarabic = 0xfebb;\n  t.sadmedialarabic = 0xfebc;\n  t.sagujarati = 0x0ab8;\n  t.sagurmukhi = 0x0a38;\n  t.sahiragana = 0x3055;\n  t.sakatakana = 0x30b5;\n  t.sakatakanahalfwidth = 0xff7b;\n  t.sallallahoualayhewasallamarabic = 0xfdfa;\n  t.samekh = 0x05e1;\n  t.samekhdagesh = 0xfb41;\n  t.samekhdageshhebrew = 0xfb41;\n  t.samekhhebrew = 0x05e1;\n  t.saraaathai = 0x0e32;\n  t.saraaethai = 0x0e41;\n  t.saraaimaimalaithai = 0x0e44;\n  t.saraaimaimuanthai = 0x0e43;\n  t.saraamthai = 0x0e33;\n  t.saraathai = 0x0e30;\n  t.saraethai = 0x0e40;\n  t.saraiileftthai = 0xf886;\n  t.saraiithai = 0x0e35;\n  t.saraileftthai = 0xf885;\n  t.saraithai = 0x0e34;\n  t.saraothai = 0x0e42;\n  t.saraueeleftthai = 0xf888;\n  t.saraueethai = 0x0e37;\n  t.saraueleftthai = 0xf887;\n  t.sarauethai = 0x0e36;\n  t.sarauthai = 0x0e38;\n  t.sarauuthai = 0x0e39;\n  t.sbopomofo = 0x3119;\n  t.scaron = 0x0161;\n  t.scarondotaccent = 0x1e67;\n  t.scedilla = 0x015f;\n  t.schwa = 0x0259;\n  t.schwacyrillic = 0x04d9;\n  t.schwadieresiscyrillic = 0x04db;\n  t.schwahook = 0x025a;\n  t.scircle = 0x24e2;\n  t.scircumflex = 0x015d;\n  t.scommaaccent = 0x0219;\n  t.sdotaccent = 0x1e61;\n  t.sdotbelow = 0x1e63;\n  t.sdotbelowdotaccent = 0x1e69;\n  t.seagullbelowcmb = 0x033c;\n  t.second = 0x2033;\n  t.secondtonechinese = 0x02ca;\n  t.section = 0x00a7;\n  t.seenarabic = 0x0633;\n  t.seenfinalarabic = 0xfeb2;\n  t.seeninitialarabic = 0xfeb3;\n  t.seenmedialarabic = 0xfeb4;\n  t.segol = 0x05b6;\n  t.segol13 = 0x05b6;\n  t.segol1f = 0x05b6;\n  t.segol2c = 0x05b6;\n  t.segolhebrew = 0x05b6;\n  t.segolnarrowhebrew = 0x05b6;\n  t.segolquarterhebrew = 0x05b6;\n  t.segoltahebrew = 0x0592;\n  t.segolwidehebrew = 0x05b6;\n  t.seharmenian = 0x057d;\n  t.sehiragana = 0x305b;\n  t.sekatakana = 0x30bb;\n  t.sekatakanahalfwidth = 0xff7e;\n  t.semicolon = 0x003b;\n  t.semicolonarabic = 0x061b;\n  t.semicolonmonospace = 0xff1b;\n  t.semicolonsmall = 0xfe54;\n  t.semivoicedmarkkana = 0x309c;\n  t.semivoicedmarkkanahalfwidth = 0xff9f;\n  t.sentisquare = 0x3322;\n  t.sentosquare = 0x3323;\n  t.seven = 0x0037;\n  t.sevenarabic = 0x0667;\n  t.sevenbengali = 0x09ed;\n  t.sevencircle = 0x2466;\n  t.sevencircleinversesansserif = 0x2790;\n  t.sevendeva = 0x096d;\n  t.seveneighths = 0x215e;\n  t.sevengujarati = 0x0aed;\n  t.sevengurmukhi = 0x0a6d;\n  t.sevenhackarabic = 0x0667;\n  t.sevenhangzhou = 0x3027;\n  t.sevenideographicparen = 0x3226;\n  t.seveninferior = 0x2087;\n  t.sevenmonospace = 0xff17;\n  t.sevenoldstyle = 0xf737;\n  t.sevenparen = 0x247a;\n  t.sevenperiod = 0x248e;\n  t.sevenpersian = 0x06f7;\n  t.sevenroman = 0x2176;\n  t.sevensuperior = 0x2077;\n  t.seventeencircle = 0x2470;\n  t.seventeenparen = 0x2484;\n  t.seventeenperiod = 0x2498;\n  t.seventhai = 0x0e57;\n  t.sfthyphen = 0x00ad;\n  t.shaarmenian = 0x0577;\n  t.shabengali = 0x09b6;\n  t.shacyrillic = 0x0448;\n  t.shaddaarabic = 0x0651;\n  t.shaddadammaarabic = 0xfc61;\n  t.shaddadammatanarabic = 0xfc5e;\n  t.shaddafathaarabic = 0xfc60;\n  t.shaddakasraarabic = 0xfc62;\n  t.shaddakasratanarabic = 0xfc5f;\n  t.shade = 0x2592;\n  t.shadedark = 0x2593;\n  t.shadelight = 0x2591;\n  t.shademedium = 0x2592;\n  t.shadeva = 0x0936;\n  t.shagujarati = 0x0ab6;\n  t.shagurmukhi = 0x0a36;\n  t.shalshelethebrew = 0x0593;\n  t.shbopomofo = 0x3115;\n  t.shchacyrillic = 0x0449;\n  t.sheenarabic = 0x0634;\n  t.sheenfinalarabic = 0xfeb6;\n  t.sheeninitialarabic = 0xfeb7;\n  t.sheenmedialarabic = 0xfeb8;\n  t.sheicoptic = 0x03e3;\n  t.sheqel = 0x20aa;\n  t.sheqelhebrew = 0x20aa;\n  t.sheva = 0x05b0;\n  t.sheva115 = 0x05b0;\n  t.sheva15 = 0x05b0;\n  t.sheva22 = 0x05b0;\n  t.sheva2e = 0x05b0;\n  t.shevahebrew = 0x05b0;\n  t.shevanarrowhebrew = 0x05b0;\n  t.shevaquarterhebrew = 0x05b0;\n  t.shevawidehebrew = 0x05b0;\n  t.shhacyrillic = 0x04bb;\n  t.shimacoptic = 0x03ed;\n  t.shin = 0x05e9;\n  t.shindagesh = 0xfb49;\n  t.shindageshhebrew = 0xfb49;\n  t.shindageshshindot = 0xfb2c;\n  t.shindageshshindothebrew = 0xfb2c;\n  t.shindageshsindot = 0xfb2d;\n  t.shindageshsindothebrew = 0xfb2d;\n  t.shindothebrew = 0x05c1;\n  t.shinhebrew = 0x05e9;\n  t.shinshindot = 0xfb2a;\n  t.shinshindothebrew = 0xfb2a;\n  t.shinsindot = 0xfb2b;\n  t.shinsindothebrew = 0xfb2b;\n  t.shook = 0x0282;\n  t.sigma = 0x03c3;\n  t.sigma1 = 0x03c2;\n  t.sigmafinal = 0x03c2;\n  t.sigmalunatesymbolgreek = 0x03f2;\n  t.sihiragana = 0x3057;\n  t.sikatakana = 0x30b7;\n  t.sikatakanahalfwidth = 0xff7c;\n  t.siluqhebrew = 0x05bd;\n  t.siluqlefthebrew = 0x05bd;\n  t.similar = 0x223c;\n  t.sindothebrew = 0x05c2;\n  t.siosacirclekorean = 0x3274;\n  t.siosaparenkorean = 0x3214;\n  t.sioscieuckorean = 0x317e;\n  t.sioscirclekorean = 0x3266;\n  t.sioskiyeokkorean = 0x317a;\n  t.sioskorean = 0x3145;\n  t.siosnieunkorean = 0x317b;\n  t.siosparenkorean = 0x3206;\n  t.siospieupkorean = 0x317d;\n  t.siostikeutkorean = 0x317c;\n  t.six = 0x0036;\n  t.sixarabic = 0x0666;\n  t.sixbengali = 0x09ec;\n  t.sixcircle = 0x2465;\n  t.sixcircleinversesansserif = 0x278f;\n  t.sixdeva = 0x096c;\n  t.sixgujarati = 0x0aec;\n  t.sixgurmukhi = 0x0a6c;\n  t.sixhackarabic = 0x0666;\n  t.sixhangzhou = 0x3026;\n  t.sixideographicparen = 0x3225;\n  t.sixinferior = 0x2086;\n  t.sixmonospace = 0xff16;\n  t.sixoldstyle = 0xf736;\n  t.sixparen = 0x2479;\n  t.sixperiod = 0x248d;\n  t.sixpersian = 0x06f6;\n  t.sixroman = 0x2175;\n  t.sixsuperior = 0x2076;\n  t.sixteencircle = 0x246f;\n  t.sixteencurrencydenominatorbengali = 0x09f9;\n  t.sixteenparen = 0x2483;\n  t.sixteenperiod = 0x2497;\n  t.sixthai = 0x0e56;\n  t.slash = 0x002f;\n  t.slashmonospace = 0xff0f;\n  t.slong = 0x017f;\n  t.slongdotaccent = 0x1e9b;\n  t.smileface = 0x263a;\n  t.smonospace = 0xff53;\n  t.sofpasuqhebrew = 0x05c3;\n  t.softhyphen = 0x00ad;\n  t.softsigncyrillic = 0x044c;\n  t.sohiragana = 0x305d;\n  t.sokatakana = 0x30bd;\n  t.sokatakanahalfwidth = 0xff7f;\n  t.soliduslongoverlaycmb = 0x0338;\n  t.solidusshortoverlaycmb = 0x0337;\n  t.sorusithai = 0x0e29;\n  t.sosalathai = 0x0e28;\n  t.sosothai = 0x0e0b;\n  t.sosuathai = 0x0e2a;\n  t.space = 0x0020;\n  t.spacehackarabic = 0x0020;\n  t.spade = 0x2660;\n  t.spadesuitblack = 0x2660;\n  t.spadesuitwhite = 0x2664;\n  t.sparen = 0x24ae;\n  t.squarebelowcmb = 0x033b;\n  t.squarecc = 0x33c4;\n  t.squarecm = 0x339d;\n  t.squarediagonalcrosshatchfill = 0x25a9;\n  t.squarehorizontalfill = 0x25a4;\n  t.squarekg = 0x338f;\n  t.squarekm = 0x339e;\n  t.squarekmcapital = 0x33ce;\n  t.squareln = 0x33d1;\n  t.squarelog = 0x33d2;\n  t.squaremg = 0x338e;\n  t.squaremil = 0x33d5;\n  t.squaremm = 0x339c;\n  t.squaremsquared = 0x33a1;\n  t.squareorthogonalcrosshatchfill = 0x25a6;\n  t.squareupperlefttolowerrightfill = 0x25a7;\n  t.squareupperrighttolowerleftfill = 0x25a8;\n  t.squareverticalfill = 0x25a5;\n  t.squarewhitewithsmallblack = 0x25a3;\n  t.srsquare = 0x33db;\n  t.ssabengali = 0x09b7;\n  t.ssadeva = 0x0937;\n  t.ssagujarati = 0x0ab7;\n  t.ssangcieuckorean = 0x3149;\n  t.ssanghieuhkorean = 0x3185;\n  t.ssangieungkorean = 0x3180;\n  t.ssangkiyeokkorean = 0x3132;\n  t.ssangnieunkorean = 0x3165;\n  t.ssangpieupkorean = 0x3143;\n  t.ssangsioskorean = 0x3146;\n  t.ssangtikeutkorean = 0x3138;\n  t.ssuperior = 0xf6f2;\n  t.sterling = 0x00a3;\n  t.sterlingmonospace = 0xffe1;\n  t.strokelongoverlaycmb = 0x0336;\n  t.strokeshortoverlaycmb = 0x0335;\n  t.subset = 0x2282;\n  t.subsetnotequal = 0x228a;\n  t.subsetorequal = 0x2286;\n  t.succeeds = 0x227b;\n  t.suchthat = 0x220b;\n  t.suhiragana = 0x3059;\n  t.sukatakana = 0x30b9;\n  t.sukatakanahalfwidth = 0xff7d;\n  t.sukunarabic = 0x0652;\n  t.summation = 0x2211;\n  t.sun = 0x263c;\n  t.superset = 0x2283;\n  t.supersetnotequal = 0x228b;\n  t.supersetorequal = 0x2287;\n  t.svsquare = 0x33dc;\n  t.syouwaerasquare = 0x337c;\n  t.t = 0x0074;\n  t.tabengali = 0x09a4;\n  t.tackdown = 0x22a4;\n  t.tackleft = 0x22a3;\n  t.tadeva = 0x0924;\n  t.tagujarati = 0x0aa4;\n  t.tagurmukhi = 0x0a24;\n  t.taharabic = 0x0637;\n  t.tahfinalarabic = 0xfec2;\n  t.tahinitialarabic = 0xfec3;\n  t.tahiragana = 0x305f;\n  t.tahmedialarabic = 0xfec4;\n  t.taisyouerasquare = 0x337d;\n  t.takatakana = 0x30bf;\n  t.takatakanahalfwidth = 0xff80;\n  t.tatweelarabic = 0x0640;\n  t.tau = 0x03c4;\n  t.tav = 0x05ea;\n  t.tavdages = 0xfb4a;\n  t.tavdagesh = 0xfb4a;\n  t.tavdageshhebrew = 0xfb4a;\n  t.tavhebrew = 0x05ea;\n  t.tbar = 0x0167;\n  t.tbopomofo = 0x310a;\n  t.tcaron = 0x0165;\n  t.tccurl = 0x02a8;\n  t.tcedilla = 0x0163;\n  t.tcheharabic = 0x0686;\n  t.tchehfinalarabic = 0xfb7b;\n  t.tchehinitialarabic = 0xfb7c;\n  t.tchehmedialarabic = 0xfb7d;\n  t.tcircle = 0x24e3;\n  t.tcircumflexbelow = 0x1e71;\n  t.tcommaaccent = 0x0163;\n  t.tdieresis = 0x1e97;\n  t.tdotaccent = 0x1e6b;\n  t.tdotbelow = 0x1e6d;\n  t.tecyrillic = 0x0442;\n  t.tedescendercyrillic = 0x04ad;\n  t.teharabic = 0x062a;\n  t.tehfinalarabic = 0xfe96;\n  t.tehhahinitialarabic = 0xfca2;\n  t.tehhahisolatedarabic = 0xfc0c;\n  t.tehinitialarabic = 0xfe97;\n  t.tehiragana = 0x3066;\n  t.tehjeeminitialarabic = 0xfca1;\n  t.tehjeemisolatedarabic = 0xfc0b;\n  t.tehmarbutaarabic = 0x0629;\n  t.tehmarbutafinalarabic = 0xfe94;\n  t.tehmedialarabic = 0xfe98;\n  t.tehmeeminitialarabic = 0xfca4;\n  t.tehmeemisolatedarabic = 0xfc0e;\n  t.tehnoonfinalarabic = 0xfc73;\n  t.tekatakana = 0x30c6;\n  t.tekatakanahalfwidth = 0xff83;\n  t.telephone = 0x2121;\n  t.telephoneblack = 0x260e;\n  t.telishagedolahebrew = 0x05a0;\n  t.telishaqetanahebrew = 0x05a9;\n  t.tencircle = 0x2469;\n  t.tenideographicparen = 0x3229;\n  t.tenparen = 0x247d;\n  t.tenperiod = 0x2491;\n  t.tenroman = 0x2179;\n  t.tesh = 0x02a7;\n  t.tet = 0x05d8;\n  t.tetdagesh = 0xfb38;\n  t.tetdageshhebrew = 0xfb38;\n  t.tethebrew = 0x05d8;\n  t.tetsecyrillic = 0x04b5;\n  t.tevirhebrew = 0x059b;\n  t.tevirlefthebrew = 0x059b;\n  t.thabengali = 0x09a5;\n  t.thadeva = 0x0925;\n  t.thagujarati = 0x0aa5;\n  t.thagurmukhi = 0x0a25;\n  t.thalarabic = 0x0630;\n  t.thalfinalarabic = 0xfeac;\n  t.thanthakhatlowleftthai = 0xf898;\n  t.thanthakhatlowrightthai = 0xf897;\n  t.thanthakhatthai = 0x0e4c;\n  t.thanthakhatupperleftthai = 0xf896;\n  t.theharabic = 0x062b;\n  t.thehfinalarabic = 0xfe9a;\n  t.thehinitialarabic = 0xfe9b;\n  t.thehmedialarabic = 0xfe9c;\n  t.thereexists = 0x2203;\n  t.therefore = 0x2234;\n  t.theta = 0x03b8;\n  t.theta1 = 0x03d1;\n  t.thetasymbolgreek = 0x03d1;\n  t.thieuthacirclekorean = 0x3279;\n  t.thieuthaparenkorean = 0x3219;\n  t.thieuthcirclekorean = 0x326b;\n  t.thieuthkorean = 0x314c;\n  t.thieuthparenkorean = 0x320b;\n  t.thirteencircle = 0x246c;\n  t.thirteenparen = 0x2480;\n  t.thirteenperiod = 0x2494;\n  t.thonangmonthothai = 0x0e11;\n  t.thook = 0x01ad;\n  t.thophuthaothai = 0x0e12;\n  t.thorn = 0x00fe;\n  t.thothahanthai = 0x0e17;\n  t.thothanthai = 0x0e10;\n  t.thothongthai = 0x0e18;\n  t.thothungthai = 0x0e16;\n  t.thousandcyrillic = 0x0482;\n  t.thousandsseparatorarabic = 0x066c;\n  t.thousandsseparatorpersian = 0x066c;\n  t.three = 0x0033;\n  t.threearabic = 0x0663;\n  t.threebengali = 0x09e9;\n  t.threecircle = 0x2462;\n  t.threecircleinversesansserif = 0x278c;\n  t.threedeva = 0x0969;\n  t.threeeighths = 0x215c;\n  t.threegujarati = 0x0ae9;\n  t.threegurmukhi = 0x0a69;\n  t.threehackarabic = 0x0663;\n  t.threehangzhou = 0x3023;\n  t.threeideographicparen = 0x3222;\n  t.threeinferior = 0x2083;\n  t.threemonospace = 0xff13;\n  t.threenumeratorbengali = 0x09f6;\n  t.threeoldstyle = 0xf733;\n  t.threeparen = 0x2476;\n  t.threeperiod = 0x248a;\n  t.threepersian = 0x06f3;\n  t.threequarters = 0x00be;\n  t.threequartersemdash = 0xf6de;\n  t.threeroman = 0x2172;\n  t.threesuperior = 0x00b3;\n  t.threethai = 0x0e53;\n  t.thzsquare = 0x3394;\n  t.tihiragana = 0x3061;\n  t.tikatakana = 0x30c1;\n  t.tikatakanahalfwidth = 0xff81;\n  t.tikeutacirclekorean = 0x3270;\n  t.tikeutaparenkorean = 0x3210;\n  t.tikeutcirclekorean = 0x3262;\n  t.tikeutkorean = 0x3137;\n  t.tikeutparenkorean = 0x3202;\n  t.tilde = 0x02dc;\n  t.tildebelowcmb = 0x0330;\n  t.tildecmb = 0x0303;\n  t.tildecomb = 0x0303;\n  t.tildedoublecmb = 0x0360;\n  t.tildeoperator = 0x223c;\n  t.tildeoverlaycmb = 0x0334;\n  t.tildeverticalcmb = 0x033e;\n  t.timescircle = 0x2297;\n  t.tipehahebrew = 0x0596;\n  t.tipehalefthebrew = 0x0596;\n  t.tippigurmukhi = 0x0a70;\n  t.titlocyrilliccmb = 0x0483;\n  t.tiwnarmenian = 0x057f;\n  t.tlinebelow = 0x1e6f;\n  t.tmonospace = 0xff54;\n  t.toarmenian = 0x0569;\n  t.tohiragana = 0x3068;\n  t.tokatakana = 0x30c8;\n  t.tokatakanahalfwidth = 0xff84;\n  t.tonebarextrahighmod = 0x02e5;\n  t.tonebarextralowmod = 0x02e9;\n  t.tonebarhighmod = 0x02e6;\n  t.tonebarlowmod = 0x02e8;\n  t.tonebarmidmod = 0x02e7;\n  t.tonefive = 0x01bd;\n  t.tonesix = 0x0185;\n  t.tonetwo = 0x01a8;\n  t.tonos = 0x0384;\n  t.tonsquare = 0x3327;\n  t.topatakthai = 0x0e0f;\n  t.tortoiseshellbracketleft = 0x3014;\n  t.tortoiseshellbracketleftsmall = 0xfe5d;\n  t.tortoiseshellbracketleftvertical = 0xfe39;\n  t.tortoiseshellbracketright = 0x3015;\n  t.tortoiseshellbracketrightsmall = 0xfe5e;\n  t.tortoiseshellbracketrightvertical = 0xfe3a;\n  t.totaothai = 0x0e15;\n  t.tpalatalhook = 0x01ab;\n  t.tparen = 0x24af;\n  t.trademark = 0x2122;\n  t.trademarksans = 0xf8ea;\n  t.trademarkserif = 0xf6db;\n  t.tretroflexhook = 0x0288;\n  t.triagdn = 0x25bc;\n  t.triaglf = 0x25c4;\n  t.triagrt = 0x25ba;\n  t.triagup = 0x25b2;\n  t.ts = 0x02a6;\n  t.tsadi = 0x05e6;\n  t.tsadidagesh = 0xfb46;\n  t.tsadidageshhebrew = 0xfb46;\n  t.tsadihebrew = 0x05e6;\n  t.tsecyrillic = 0x0446;\n  t.tsere = 0x05b5;\n  t.tsere12 = 0x05b5;\n  t.tsere1e = 0x05b5;\n  t.tsere2b = 0x05b5;\n  t.tserehebrew = 0x05b5;\n  t.tserenarrowhebrew = 0x05b5;\n  t.tserequarterhebrew = 0x05b5;\n  t.tserewidehebrew = 0x05b5;\n  t.tshecyrillic = 0x045b;\n  t.tsuperior = 0xf6f3;\n  t.ttabengali = 0x099f;\n  t.ttadeva = 0x091f;\n  t.ttagujarati = 0x0a9f;\n  t.ttagurmukhi = 0x0a1f;\n  t.tteharabic = 0x0679;\n  t.ttehfinalarabic = 0xfb67;\n  t.ttehinitialarabic = 0xfb68;\n  t.ttehmedialarabic = 0xfb69;\n  t.tthabengali = 0x09a0;\n  t.tthadeva = 0x0920;\n  t.tthagujarati = 0x0aa0;\n  t.tthagurmukhi = 0x0a20;\n  t.tturned = 0x0287;\n  t.tuhiragana = 0x3064;\n  t.tukatakana = 0x30c4;\n  t.tukatakanahalfwidth = 0xff82;\n  t.tusmallhiragana = 0x3063;\n  t.tusmallkatakana = 0x30c3;\n  t.tusmallkatakanahalfwidth = 0xff6f;\n  t.twelvecircle = 0x246b;\n  t.twelveparen = 0x247f;\n  t.twelveperiod = 0x2493;\n  t.twelveroman = 0x217b;\n  t.twentycircle = 0x2473;\n  t.twentyhangzhou = 0x5344;\n  t.twentyparen = 0x2487;\n  t.twentyperiod = 0x249b;\n  t.two = 0x0032;\n  t.twoarabic = 0x0662;\n  t.twobengali = 0x09e8;\n  t.twocircle = 0x2461;\n  t.twocircleinversesansserif = 0x278b;\n  t.twodeva = 0x0968;\n  t.twodotenleader = 0x2025;\n  t.twodotleader = 0x2025;\n  t.twodotleadervertical = 0xfe30;\n  t.twogujarati = 0x0ae8;\n  t.twogurmukhi = 0x0a68;\n  t.twohackarabic = 0x0662;\n  t.twohangzhou = 0x3022;\n  t.twoideographicparen = 0x3221;\n  t.twoinferior = 0x2082;\n  t.twomonospace = 0xff12;\n  t.twonumeratorbengali = 0x09f5;\n  t.twooldstyle = 0xf732;\n  t.twoparen = 0x2475;\n  t.twoperiod = 0x2489;\n  t.twopersian = 0x06f2;\n  t.tworoman = 0x2171;\n  t.twostroke = 0x01bb;\n  t.twosuperior = 0x00b2;\n  t.twothai = 0x0e52;\n  t.twothirds = 0x2154;\n  t.u = 0x0075;\n  t.uacute = 0x00fa;\n  t.ubar = 0x0289;\n  t.ubengali = 0x0989;\n  t.ubopomofo = 0x3128;\n  t.ubreve = 0x016d;\n  t.ucaron = 0x01d4;\n  t.ucircle = 0x24e4;\n  t.ucircumflex = 0x00fb;\n  t.ucircumflexbelow = 0x1e77;\n  t.ucyrillic = 0x0443;\n  t.udattadeva = 0x0951;\n  t.udblacute = 0x0171;\n  t.udblgrave = 0x0215;\n  t.udeva = 0x0909;\n  t.udieresis = 0x00fc;\n  t.udieresisacute = 0x01d8;\n  t.udieresisbelow = 0x1e73;\n  t.udieresiscaron = 0x01da;\n  t.udieresiscyrillic = 0x04f1;\n  t.udieresisgrave = 0x01dc;\n  t.udieresismacron = 0x01d6;\n  t.udotbelow = 0x1ee5;\n  t.ugrave = 0x00f9;\n  t.ugujarati = 0x0a89;\n  t.ugurmukhi = 0x0a09;\n  t.uhiragana = 0x3046;\n  t.uhookabove = 0x1ee7;\n  t.uhorn = 0x01b0;\n  t.uhornacute = 0x1ee9;\n  t.uhorndotbelow = 0x1ef1;\n  t.uhorngrave = 0x1eeb;\n  t.uhornhookabove = 0x1eed;\n  t.uhorntilde = 0x1eef;\n  t.uhungarumlaut = 0x0171;\n  t.uhungarumlautcyrillic = 0x04f3;\n  t.uinvertedbreve = 0x0217;\n  t.ukatakana = 0x30a6;\n  t.ukatakanahalfwidth = 0xff73;\n  t.ukcyrillic = 0x0479;\n  t.ukorean = 0x315c;\n  t.umacron = 0x016b;\n  t.umacroncyrillic = 0x04ef;\n  t.umacrondieresis = 0x1e7b;\n  t.umatragurmukhi = 0x0a41;\n  t.umonospace = 0xff55;\n  t.underscore = 0x005f;\n  t.underscoredbl = 0x2017;\n  t.underscoremonospace = 0xff3f;\n  t.underscorevertical = 0xfe33;\n  t.underscorewavy = 0xfe4f;\n  t.union = 0x222a;\n  t.universal = 0x2200;\n  t.uogonek = 0x0173;\n  t.uparen = 0x24b0;\n  t.upblock = 0x2580;\n  t.upperdothebrew = 0x05c4;\n  t.upsilon = 0x03c5;\n  t.upsilondieresis = 0x03cb;\n  t.upsilondieresistonos = 0x03b0;\n  t.upsilonlatin = 0x028a;\n  t.upsilontonos = 0x03cd;\n  t.uptackbelowcmb = 0x031d;\n  t.uptackmod = 0x02d4;\n  t.uragurmukhi = 0x0a73;\n  t.uring = 0x016f;\n  t.ushortcyrillic = 0x045e;\n  t.usmallhiragana = 0x3045;\n  t.usmallkatakana = 0x30a5;\n  t.usmallkatakanahalfwidth = 0xff69;\n  t.ustraightcyrillic = 0x04af;\n  t.ustraightstrokecyrillic = 0x04b1;\n  t.utilde = 0x0169;\n  t.utildeacute = 0x1e79;\n  t.utildebelow = 0x1e75;\n  t.uubengali = 0x098a;\n  t.uudeva = 0x090a;\n  t.uugujarati = 0x0a8a;\n  t.uugurmukhi = 0x0a0a;\n  t.uumatragurmukhi = 0x0a42;\n  t.uuvowelsignbengali = 0x09c2;\n  t.uuvowelsigndeva = 0x0942;\n  t.uuvowelsigngujarati = 0x0ac2;\n  t.uvowelsignbengali = 0x09c1;\n  t.uvowelsigndeva = 0x0941;\n  t.uvowelsigngujarati = 0x0ac1;\n  t.v = 0x0076;\n  t.vadeva = 0x0935;\n  t.vagujarati = 0x0ab5;\n  t.vagurmukhi = 0x0a35;\n  t.vakatakana = 0x30f7;\n  t.vav = 0x05d5;\n  t.vavdagesh = 0xfb35;\n  t.vavdagesh65 = 0xfb35;\n  t.vavdageshhebrew = 0xfb35;\n  t.vavhebrew = 0x05d5;\n  t.vavholam = 0xfb4b;\n  t.vavholamhebrew = 0xfb4b;\n  t.vavvavhebrew = 0x05f0;\n  t.vavyodhebrew = 0x05f1;\n  t.vcircle = 0x24e5;\n  t.vdotbelow = 0x1e7f;\n  t.vecyrillic = 0x0432;\n  t.veharabic = 0x06a4;\n  t.vehfinalarabic = 0xfb6b;\n  t.vehinitialarabic = 0xfb6c;\n  t.vehmedialarabic = 0xfb6d;\n  t.vekatakana = 0x30f9;\n  t.venus = 0x2640;\n  t.verticalbar = 0x007c;\n  t.verticallineabovecmb = 0x030d;\n  t.verticallinebelowcmb = 0x0329;\n  t.verticallinelowmod = 0x02cc;\n  t.verticallinemod = 0x02c8;\n  t.vewarmenian = 0x057e;\n  t.vhook = 0x028b;\n  t.vikatakana = 0x30f8;\n  t.viramabengali = 0x09cd;\n  t.viramadeva = 0x094d;\n  t.viramagujarati = 0x0acd;\n  t.visargabengali = 0x0983;\n  t.visargadeva = 0x0903;\n  t.visargagujarati = 0x0a83;\n  t.vmonospace = 0xff56;\n  t.voarmenian = 0x0578;\n  t.voicediterationhiragana = 0x309e;\n  t.voicediterationkatakana = 0x30fe;\n  t.voicedmarkkana = 0x309b;\n  t.voicedmarkkanahalfwidth = 0xff9e;\n  t.vokatakana = 0x30fa;\n  t.vparen = 0x24b1;\n  t.vtilde = 0x1e7d;\n  t.vturned = 0x028c;\n  t.vuhiragana = 0x3094;\n  t.vukatakana = 0x30f4;\n  t.w = 0x0077;\n  t.wacute = 0x1e83;\n  t.waekorean = 0x3159;\n  t.wahiragana = 0x308f;\n  t.wakatakana = 0x30ef;\n  t.wakatakanahalfwidth = 0xff9c;\n  t.wakorean = 0x3158;\n  t.wasmallhiragana = 0x308e;\n  t.wasmallkatakana = 0x30ee;\n  t.wattosquare = 0x3357;\n  t.wavedash = 0x301c;\n  t.wavyunderscorevertical = 0xfe34;\n  t.wawarabic = 0x0648;\n  t.wawfinalarabic = 0xfeee;\n  t.wawhamzaabovearabic = 0x0624;\n  t.wawhamzaabovefinalarabic = 0xfe86;\n  t.wbsquare = 0x33dd;\n  t.wcircle = 0x24e6;\n  t.wcircumflex = 0x0175;\n  t.wdieresis = 0x1e85;\n  t.wdotaccent = 0x1e87;\n  t.wdotbelow = 0x1e89;\n  t.wehiragana = 0x3091;\n  t.weierstrass = 0x2118;\n  t.wekatakana = 0x30f1;\n  t.wekorean = 0x315e;\n  t.weokorean = 0x315d;\n  t.wgrave = 0x1e81;\n  t.whitebullet = 0x25e6;\n  t.whitecircle = 0x25cb;\n  t.whitecircleinverse = 0x25d9;\n  t.whitecornerbracketleft = 0x300e;\n  t.whitecornerbracketleftvertical = 0xfe43;\n  t.whitecornerbracketright = 0x300f;\n  t.whitecornerbracketrightvertical = 0xfe44;\n  t.whitediamond = 0x25c7;\n  t.whitediamondcontainingblacksmalldiamond = 0x25c8;\n  t.whitedownpointingsmalltriangle = 0x25bf;\n  t.whitedownpointingtriangle = 0x25bd;\n  t.whiteleftpointingsmalltriangle = 0x25c3;\n  t.whiteleftpointingtriangle = 0x25c1;\n  t.whitelenticularbracketleft = 0x3016;\n  t.whitelenticularbracketright = 0x3017;\n  t.whiterightpointingsmalltriangle = 0x25b9;\n  t.whiterightpointingtriangle = 0x25b7;\n  t.whitesmallsquare = 0x25ab;\n  t.whitesmilingface = 0x263a;\n  t.whitesquare = 0x25a1;\n  t.whitestar = 0x2606;\n  t.whitetelephone = 0x260f;\n  t.whitetortoiseshellbracketleft = 0x3018;\n  t.whitetortoiseshellbracketright = 0x3019;\n  t.whiteuppointingsmalltriangle = 0x25b5;\n  t.whiteuppointingtriangle = 0x25b3;\n  t.wihiragana = 0x3090;\n  t.wikatakana = 0x30f0;\n  t.wikorean = 0x315f;\n  t.wmonospace = 0xff57;\n  t.wohiragana = 0x3092;\n  t.wokatakana = 0x30f2;\n  t.wokatakanahalfwidth = 0xff66;\n  t.won = 0x20a9;\n  t.wonmonospace = 0xffe6;\n  t.wowaenthai = 0x0e27;\n  t.wparen = 0x24b2;\n  t.wring = 0x1e98;\n  t.wsuperior = 0x02b7;\n  t.wturned = 0x028d;\n  t.wynn = 0x01bf;\n  t.x = 0x0078;\n  t.xabovecmb = 0x033d;\n  t.xbopomofo = 0x3112;\n  t.xcircle = 0x24e7;\n  t.xdieresis = 0x1e8d;\n  t.xdotaccent = 0x1e8b;\n  t.xeharmenian = 0x056d;\n  t.xi = 0x03be;\n  t.xmonospace = 0xff58;\n  t.xparen = 0x24b3;\n  t.xsuperior = 0x02e3;\n  t.y = 0x0079;\n  t.yaadosquare = 0x334e;\n  t.yabengali = 0x09af;\n  t.yacute = 0x00fd;\n  t.yadeva = 0x092f;\n  t.yaekorean = 0x3152;\n  t.yagujarati = 0x0aaf;\n  t.yagurmukhi = 0x0a2f;\n  t.yahiragana = 0x3084;\n  t.yakatakana = 0x30e4;\n  t.yakatakanahalfwidth = 0xff94;\n  t.yakorean = 0x3151;\n  t.yamakkanthai = 0x0e4e;\n  t.yasmallhiragana = 0x3083;\n  t.yasmallkatakana = 0x30e3;\n  t.yasmallkatakanahalfwidth = 0xff6c;\n  t.yatcyrillic = 0x0463;\n  t.ycircle = 0x24e8;\n  t.ycircumflex = 0x0177;\n  t.ydieresis = 0x00ff;\n  t.ydotaccent = 0x1e8f;\n  t.ydotbelow = 0x1ef5;\n  t.yeharabic = 0x064a;\n  t.yehbarreearabic = 0x06d2;\n  t.yehbarreefinalarabic = 0xfbaf;\n  t.yehfinalarabic = 0xfef2;\n  t.yehhamzaabovearabic = 0x0626;\n  t.yehhamzaabovefinalarabic = 0xfe8a;\n  t.yehhamzaaboveinitialarabic = 0xfe8b;\n  t.yehhamzaabovemedialarabic = 0xfe8c;\n  t.yehinitialarabic = 0xfef3;\n  t.yehmedialarabic = 0xfef4;\n  t.yehmeeminitialarabic = 0xfcdd;\n  t.yehmeemisolatedarabic = 0xfc58;\n  t.yehnoonfinalarabic = 0xfc94;\n  t.yehthreedotsbelowarabic = 0x06d1;\n  t.yekorean = 0x3156;\n  t.yen = 0x00a5;\n  t.yenmonospace = 0xffe5;\n  t.yeokorean = 0x3155;\n  t.yeorinhieuhkorean = 0x3186;\n  t.yerahbenyomohebrew = 0x05aa;\n  t.yerahbenyomolefthebrew = 0x05aa;\n  t.yericyrillic = 0x044b;\n  t.yerudieresiscyrillic = 0x04f9;\n  t.yesieungkorean = 0x3181;\n  t.yesieungpansioskorean = 0x3183;\n  t.yesieungsioskorean = 0x3182;\n  t.yetivhebrew = 0x059a;\n  t.ygrave = 0x1ef3;\n  t.yhook = 0x01b4;\n  t.yhookabove = 0x1ef7;\n  t.yiarmenian = 0x0575;\n  t.yicyrillic = 0x0457;\n  t.yikorean = 0x3162;\n  t.yinyang = 0x262f;\n  t.yiwnarmenian = 0x0582;\n  t.ymonospace = 0xff59;\n  t.yod = 0x05d9;\n  t.yoddagesh = 0xfb39;\n  t.yoddageshhebrew = 0xfb39;\n  t.yodhebrew = 0x05d9;\n  t.yodyodhebrew = 0x05f2;\n  t.yodyodpatahhebrew = 0xfb1f;\n  t.yohiragana = 0x3088;\n  t.yoikorean = 0x3189;\n  t.yokatakana = 0x30e8;\n  t.yokatakanahalfwidth = 0xff96;\n  t.yokorean = 0x315b;\n  t.yosmallhiragana = 0x3087;\n  t.yosmallkatakana = 0x30e7;\n  t.yosmallkatakanahalfwidth = 0xff6e;\n  t.yotgreek = 0x03f3;\n  t.yoyaekorean = 0x3188;\n  t.yoyakorean = 0x3187;\n  t.yoyakthai = 0x0e22;\n  t.yoyingthai = 0x0e0d;\n  t.yparen = 0x24b4;\n  t.ypogegrammeni = 0x037a;\n  t.ypogegrammenigreekcmb = 0x0345;\n  t.yr = 0x01a6;\n  t.yring = 0x1e99;\n  t.ysuperior = 0x02b8;\n  t.ytilde = 0x1ef9;\n  t.yturned = 0x028e;\n  t.yuhiragana = 0x3086;\n  t.yuikorean = 0x318c;\n  t.yukatakana = 0x30e6;\n  t.yukatakanahalfwidth = 0xff95;\n  t.yukorean = 0x3160;\n  t.yusbigcyrillic = 0x046b;\n  t.yusbigiotifiedcyrillic = 0x046d;\n  t.yuslittlecyrillic = 0x0467;\n  t.yuslittleiotifiedcyrillic = 0x0469;\n  t.yusmallhiragana = 0x3085;\n  t.yusmallkatakana = 0x30e5;\n  t.yusmallkatakanahalfwidth = 0xff6d;\n  t.yuyekorean = 0x318b;\n  t.yuyeokorean = 0x318a;\n  t.yyabengali = 0x09df;\n  t.yyadeva = 0x095f;\n  t.z = 0x007a;\n  t.zaarmenian = 0x0566;\n  t.zacute = 0x017a;\n  t.zadeva = 0x095b;\n  t.zagurmukhi = 0x0a5b;\n  t.zaharabic = 0x0638;\n  t.zahfinalarabic = 0xfec6;\n  t.zahinitialarabic = 0xfec7;\n  t.zahiragana = 0x3056;\n  t.zahmedialarabic = 0xfec8;\n  t.zainarabic = 0x0632;\n  t.zainfinalarabic = 0xfeb0;\n  t.zakatakana = 0x30b6;\n  t.zaqefgadolhebrew = 0x0595;\n  t.zaqefqatanhebrew = 0x0594;\n  t.zarqahebrew = 0x0598;\n  t.zayin = 0x05d6;\n  t.zayindagesh = 0xfb36;\n  t.zayindageshhebrew = 0xfb36;\n  t.zayinhebrew = 0x05d6;\n  t.zbopomofo = 0x3117;\n  t.zcaron = 0x017e;\n  t.zcircle = 0x24e9;\n  t.zcircumflex = 0x1e91;\n  t.zcurl = 0x0291;\n  t.zdot = 0x017c;\n  t.zdotaccent = 0x017c;\n  t.zdotbelow = 0x1e93;\n  t.zecyrillic = 0x0437;\n  t.zedescendercyrillic = 0x0499;\n  t.zedieresiscyrillic = 0x04df;\n  t.zehiragana = 0x305c;\n  t.zekatakana = 0x30bc;\n  t.zero = 0x0030;\n  t.zeroarabic = 0x0660;\n  t.zerobengali = 0x09e6;\n  t.zerodeva = 0x0966;\n  t.zerogujarati = 0x0ae6;\n  t.zerogurmukhi = 0x0a66;\n  t.zerohackarabic = 0x0660;\n  t.zeroinferior = 0x2080;\n  t.zeromonospace = 0xff10;\n  t.zerooldstyle = 0xf730;\n  t.zeropersian = 0x06f0;\n  t.zerosuperior = 0x2070;\n  t.zerothai = 0x0e50;\n  t.zerowidthjoiner = 0xfeff;\n  t.zerowidthnonjoiner = 0x200c;\n  t.zerowidthspace = 0x200b;\n  t.zeta = 0x03b6;\n  t.zhbopomofo = 0x3113;\n  t.zhearmenian = 0x056a;\n  t.zhebrevecyrillic = 0x04c2;\n  t.zhecyrillic = 0x0436;\n  t.zhedescendercyrillic = 0x0497;\n  t.zhedieresiscyrillic = 0x04dd;\n  t.zihiragana = 0x3058;\n  t.zikatakana = 0x30b8;\n  t.zinorhebrew = 0x05ae;\n  t.zlinebelow = 0x1e95;\n  t.zmonospace = 0xff5a;\n  t.zohiragana = 0x305e;\n  t.zokatakana = 0x30be;\n  t.zparen = 0x24b5;\n  t.zretroflexhook = 0x0290;\n  t.zstroke = 0x01b6;\n  t.zuhiragana = 0x305a;\n  t.zukatakana = 0x30ba;\n  t[\".notdef\"] = 0x0000;\n\n  // TeX-specific glyph names.\n  t.angbracketleftbig = 0x2329;\n  t.angbracketleftBig = 0x2329;\n  t.angbracketleftbigg = 0x2329;\n  t.angbracketleftBigg = 0x2329;\n  t.angbracketrightBig = 0x232a;\n  t.angbracketrightbig = 0x232a;\n  t.angbracketrightBigg = 0x232a;\n  t.angbracketrightbigg = 0x232a;\n  t.arrowhookleft = 0x21aa;\n  t.arrowhookright = 0x21a9;\n  t.arrowlefttophalf = 0x21bc;\n  t.arrowleftbothalf = 0x21bd;\n  t.arrownortheast = 0x2197;\n  t.arrownorthwest = 0x2196;\n  t.arrowrighttophalf = 0x21c0;\n  t.arrowrightbothalf = 0x21c1;\n  t.arrowsoutheast = 0x2198;\n  t.arrowsouthwest = 0x2199;\n  t.backslashbig = 0x2216;\n  t.backslashBig = 0x2216;\n  t.backslashBigg = 0x2216;\n  t.backslashbigg = 0x2216;\n  t.bardbl = 0x2016;\n  t.bracehtipdownleft = 0xfe37;\n  t.bracehtipdownright = 0xfe37;\n  t.bracehtipupleft = 0xfe38;\n  t.bracehtipupright = 0xfe38;\n  t.braceleftBig = 0x007b;\n  t.braceleftbig = 0x007b;\n  t.braceleftbigg = 0x007b;\n  t.braceleftBigg = 0x007b;\n  t.bracerightBig = 0x007d;\n  t.bracerightbig = 0x007d;\n  t.bracerightbigg = 0x007d;\n  t.bracerightBigg = 0x007d;\n  t.bracketleftbig = 0x005b;\n  t.bracketleftBig = 0x005b;\n  t.bracketleftbigg = 0x005b;\n  t.bracketleftBigg = 0x005b;\n  t.bracketrightBig = 0x005d;\n  t.bracketrightbig = 0x005d;\n  t.bracketrightbigg = 0x005d;\n  t.bracketrightBigg = 0x005d;\n  t.ceilingleftbig = 0x2308;\n  t.ceilingleftBig = 0x2308;\n  t.ceilingleftBigg = 0x2308;\n  t.ceilingleftbigg = 0x2308;\n  t.ceilingrightbig = 0x2309;\n  t.ceilingrightBig = 0x2309;\n  t.ceilingrightbigg = 0x2309;\n  t.ceilingrightBigg = 0x2309;\n  t.circledotdisplay = 0x2299;\n  t.circledottext = 0x2299;\n  t.circlemultiplydisplay = 0x2297;\n  t.circlemultiplytext = 0x2297;\n  t.circleplusdisplay = 0x2295;\n  t.circleplustext = 0x2295;\n  t.contintegraldisplay = 0x222e;\n  t.contintegraltext = 0x222e;\n  t.coproductdisplay = 0x2210;\n  t.coproducttext = 0x2210;\n  t.floorleftBig = 0x230a;\n  t.floorleftbig = 0x230a;\n  t.floorleftbigg = 0x230a;\n  t.floorleftBigg = 0x230a;\n  t.floorrightbig = 0x230b;\n  t.floorrightBig = 0x230b;\n  t.floorrightBigg = 0x230b;\n  t.floorrightbigg = 0x230b;\n  t.hatwide = 0x0302;\n  t.hatwider = 0x0302;\n  t.hatwidest = 0x0302;\n  t.intercal = 0x1d40;\n  t.integraldisplay = 0x222b;\n  t.integraltext = 0x222b;\n  t.intersectiondisplay = 0x22c2;\n  t.intersectiontext = 0x22c2;\n  t.logicalanddisplay = 0x2227;\n  t.logicalandtext = 0x2227;\n  t.logicalordisplay = 0x2228;\n  t.logicalortext = 0x2228;\n  t.parenleftBig = 0x0028;\n  t.parenleftbig = 0x0028;\n  t.parenleftBigg = 0x0028;\n  t.parenleftbigg = 0x0028;\n  t.parenrightBig = 0x0029;\n  t.parenrightbig = 0x0029;\n  t.parenrightBigg = 0x0029;\n  t.parenrightbigg = 0x0029;\n  t.prime = 0x2032;\n  t.productdisplay = 0x220f;\n  t.producttext = 0x220f;\n  t.radicalbig = 0x221a;\n  t.radicalBig = 0x221a;\n  t.radicalBigg = 0x221a;\n  t.radicalbigg = 0x221a;\n  t.radicalbt = 0x221a;\n  t.radicaltp = 0x221a;\n  t.radicalvertex = 0x221a;\n  t.slashbig = 0x002f;\n  t.slashBig = 0x002f;\n  t.slashBigg = 0x002f;\n  t.slashbigg = 0x002f;\n  t.summationdisplay = 0x2211;\n  t.summationtext = 0x2211;\n  t.tildewide = 0x02dc;\n  t.tildewider = 0x02dc;\n  t.tildewidest = 0x02dc;\n  t.uniondisplay = 0x22c3;\n  t.unionmultidisplay = 0x228e;\n  t.unionmultitext = 0x228e;\n  t.unionsqdisplay = 0x2294;\n  t.unionsqtext = 0x2294;\n  t.uniontext = 0x22c3;\n  t.vextenddouble = 0x2225;\n  t.vextendsingle = 0x2223;\n});\n\nvar getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {\n  t.space = 0x0020;\n  t.a1 = 0x2701;\n  t.a2 = 0x2702;\n  t.a202 = 0x2703;\n  t.a3 = 0x2704;\n  t.a4 = 0x260e;\n  t.a5 = 0x2706;\n  t.a119 = 0x2707;\n  t.a118 = 0x2708;\n  t.a117 = 0x2709;\n  t.a11 = 0x261b;\n  t.a12 = 0x261e;\n  t.a13 = 0x270c;\n  t.a14 = 0x270d;\n  t.a15 = 0x270e;\n  t.a16 = 0x270f;\n  t.a105 = 0x2710;\n  t.a17 = 0x2711;\n  t.a18 = 0x2712;\n  t.a19 = 0x2713;\n  t.a20 = 0x2714;\n  t.a21 = 0x2715;\n  t.a22 = 0x2716;\n  t.a23 = 0x2717;\n  t.a24 = 0x2718;\n  t.a25 = 0x2719;\n  t.a26 = 0x271a;\n  t.a27 = 0x271b;\n  t.a28 = 0x271c;\n  t.a6 = 0x271d;\n  t.a7 = 0x271e;\n  t.a8 = 0x271f;\n  t.a9 = 0x2720;\n  t.a10 = 0x2721;\n  t.a29 = 0x2722;\n  t.a30 = 0x2723;\n  t.a31 = 0x2724;\n  t.a32 = 0x2725;\n  t.a33 = 0x2726;\n  t.a34 = 0x2727;\n  t.a35 = 0x2605;\n  t.a36 = 0x2729;\n  t.a37 = 0x272a;\n  t.a38 = 0x272b;\n  t.a39 = 0x272c;\n  t.a40 = 0x272d;\n  t.a41 = 0x272e;\n  t.a42 = 0x272f;\n  t.a43 = 0x2730;\n  t.a44 = 0x2731;\n  t.a45 = 0x2732;\n  t.a46 = 0x2733;\n  t.a47 = 0x2734;\n  t.a48 = 0x2735;\n  t.a49 = 0x2736;\n  t.a50 = 0x2737;\n  t.a51 = 0x2738;\n  t.a52 = 0x2739;\n  t.a53 = 0x273a;\n  t.a54 = 0x273b;\n  t.a55 = 0x273c;\n  t.a56 = 0x273d;\n  t.a57 = 0x273e;\n  t.a58 = 0x273f;\n  t.a59 = 0x2740;\n  t.a60 = 0x2741;\n  t.a61 = 0x2742;\n  t.a62 = 0x2743;\n  t.a63 = 0x2744;\n  t.a64 = 0x2745;\n  t.a65 = 0x2746;\n  t.a66 = 0x2747;\n  t.a67 = 0x2748;\n  t.a68 = 0x2749;\n  t.a69 = 0x274a;\n  t.a70 = 0x274b;\n  t.a71 = 0x25cf;\n  t.a72 = 0x274d;\n  t.a73 = 0x25a0;\n  t.a74 = 0x274f;\n  t.a203 = 0x2750;\n  t.a75 = 0x2751;\n  t.a204 = 0x2752;\n  t.a76 = 0x25b2;\n  t.a77 = 0x25bc;\n  t.a78 = 0x25c6;\n  t.a79 = 0x2756;\n  t.a81 = 0x25d7;\n  t.a82 = 0x2758;\n  t.a83 = 0x2759;\n  t.a84 = 0x275a;\n  t.a97 = 0x275b;\n  t.a98 = 0x275c;\n  t.a99 = 0x275d;\n  t.a100 = 0x275e;\n  t.a101 = 0x2761;\n  t.a102 = 0x2762;\n  t.a103 = 0x2763;\n  t.a104 = 0x2764;\n  t.a106 = 0x2765;\n  t.a107 = 0x2766;\n  t.a108 = 0x2767;\n  t.a112 = 0x2663;\n  t.a111 = 0x2666;\n  t.a110 = 0x2665;\n  t.a109 = 0x2660;\n  t.a120 = 0x2460;\n  t.a121 = 0x2461;\n  t.a122 = 0x2462;\n  t.a123 = 0x2463;\n  t.a124 = 0x2464;\n  t.a125 = 0x2465;\n  t.a126 = 0x2466;\n  t.a127 = 0x2467;\n  t.a128 = 0x2468;\n  t.a129 = 0x2469;\n  t.a130 = 0x2776;\n  t.a131 = 0x2777;\n  t.a132 = 0x2778;\n  t.a133 = 0x2779;\n  t.a134 = 0x277a;\n  t.a135 = 0x277b;\n  t.a136 = 0x277c;\n  t.a137 = 0x277d;\n  t.a138 = 0x277e;\n  t.a139 = 0x277f;\n  t.a140 = 0x2780;\n  t.a141 = 0x2781;\n  t.a142 = 0x2782;\n  t.a143 = 0x2783;\n  t.a144 = 0x2784;\n  t.a145 = 0x2785;\n  t.a146 = 0x2786;\n  t.a147 = 0x2787;\n  t.a148 = 0x2788;\n  t.a149 = 0x2789;\n  t.a150 = 0x278a;\n  t.a151 = 0x278b;\n  t.a152 = 0x278c;\n  t.a153 = 0x278d;\n  t.a154 = 0x278e;\n  t.a155 = 0x278f;\n  t.a156 = 0x2790;\n  t.a157 = 0x2791;\n  t.a158 = 0x2792;\n  t.a159 = 0x2793;\n  t.a160 = 0x2794;\n  t.a161 = 0x2192;\n  t.a163 = 0x2194;\n  t.a164 = 0x2195;\n  t.a196 = 0x2798;\n  t.a165 = 0x2799;\n  t.a192 = 0x279a;\n  t.a166 = 0x279b;\n  t.a167 = 0x279c;\n  t.a168 = 0x279d;\n  t.a169 = 0x279e;\n  t.a170 = 0x279f;\n  t.a171 = 0x27a0;\n  t.a172 = 0x27a1;\n  t.a173 = 0x27a2;\n  t.a162 = 0x27a3;\n  t.a174 = 0x27a4;\n  t.a175 = 0x27a5;\n  t.a176 = 0x27a6;\n  t.a177 = 0x27a7;\n  t.a178 = 0x27a8;\n  t.a179 = 0x27a9;\n  t.a193 = 0x27aa;\n  t.a180 = 0x27ab;\n  t.a199 = 0x27ac;\n  t.a181 = 0x27ad;\n  t.a200 = 0x27ae;\n  t.a182 = 0x27af;\n  t.a201 = 0x27b1;\n  t.a183 = 0x27b2;\n  t.a184 = 0x27b3;\n  t.a197 = 0x27b4;\n  t.a185 = 0x27b5;\n  t.a194 = 0x27b6;\n  t.a198 = 0x27b7;\n  t.a186 = 0x27b8;\n  t.a195 = 0x27b9;\n  t.a187 = 0x27ba;\n  t.a188 = 0x27bb;\n  t.a189 = 0x27bc;\n  t.a190 = 0x27bd;\n  t.a191 = 0x27be;\n  t.a89 = 0x2768; // 0xF8D7\n  t.a90 = 0x2769; // 0xF8D8\n  t.a93 = 0x276a; // 0xF8D9\n  t.a94 = 0x276b; // 0xF8DA\n  t.a91 = 0x276c; // 0xF8DB\n  t.a92 = 0x276d; // 0xF8DC\n  t.a205 = 0x276e; // 0xF8DD\n  t.a85 = 0x276f; // 0xF8DE\n  t.a206 = 0x2770; // 0xF8DF\n  t.a86 = 0x2771; // 0xF8E0\n  t.a87 = 0x2772; // 0xF8E1\n  t.a88 = 0x2773; // 0xF8E2\n  t.a95 = 0x2774; // 0xF8E3\n  t.a96 = 0x2775; // 0xF8E4\n  t[\".notdef\"] = 0x0000;\n});\n\nexports.getGlyphsUnicode = getGlyphsUnicode;\nexports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { getLookupTableFactory } from \"./core_utils.js\";\n\n/**\n * Hold a map of decoded fonts and of the standard fourteen Type1\n * fonts and their acronyms.\n */\nconst getStdFontMap = getLookupTableFactory(function (t) {\n  t.ArialNarrow = \"Helvetica\";\n  t[\"ArialNarrow-Bold\"] = \"Helvetica-Bold\";\n  t[\"ArialNarrow-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"ArialNarrow-Italic\"] = \"Helvetica-Oblique\";\n  t.ArialBlack = \"Helvetica\";\n  t[\"ArialBlack-Bold\"] = \"Helvetica-Bold\";\n  t[\"ArialBlack-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"ArialBlack-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Arial-Black\"] = \"Helvetica\";\n  t[\"Arial-Black-Bold\"] = \"Helvetica-Bold\";\n  t[\"Arial-Black-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-Black-Italic\"] = \"Helvetica-Oblique\";\n  t.Arial = \"Helvetica\";\n  t[\"Arial-Bold\"] = \"Helvetica-Bold\";\n  t[\"Arial-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Arial-BoldItalicMT\"] = \"Helvetica-BoldOblique\";\n  t[\"Arial-BoldMT\"] = \"Helvetica-Bold\";\n  t[\"Arial-ItalicMT\"] = \"Helvetica-Oblique\";\n  t.ArialMT = \"Helvetica\";\n  t[\"Courier-Bold\"] = \"Courier-Bold\";\n  t[\"Courier-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"Courier-Italic\"] = \"Courier-Oblique\";\n  t.CourierNew = \"Courier\";\n  t[\"CourierNew-Bold\"] = \"Courier-Bold\";\n  t[\"CourierNew-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"CourierNew-Italic\"] = \"Courier-Oblique\";\n  t[\"CourierNewPS-BoldItalicMT\"] = \"Courier-BoldOblique\";\n  t[\"CourierNewPS-BoldMT\"] = \"Courier-Bold\";\n  t[\"CourierNewPS-ItalicMT\"] = \"Courier-Oblique\";\n  t.CourierNewPSMT = \"Courier\";\n  t.Helvetica = \"Helvetica\";\n  t[\"Helvetica-Bold\"] = \"Helvetica-Bold\";\n  t[\"Helvetica-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Helvetica-BoldOblique\"] = \"Helvetica-BoldOblique\";\n  t[\"Helvetica-Italic\"] = \"Helvetica-Oblique\";\n  t[\"Helvetica-Oblique\"] = \"Helvetica-Oblique\";\n  t[\"Symbol-Bold\"] = \"Symbol\";\n  t[\"Symbol-BoldItalic\"] = \"Symbol\";\n  t[\"Symbol-Italic\"] = \"Symbol\";\n  t.TimesNewRoman = \"Times-Roman\";\n  t[\"TimesNewRoman-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRoman-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRoman-Italic\"] = \"Times-Italic\";\n  t.TimesNewRomanPS = \"Times-Roman\";\n  t[\"TimesNewRomanPS-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPS-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPS-BoldItalicMT\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPS-BoldMT\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPS-Italic\"] = \"Times-Italic\";\n  t[\"TimesNewRomanPS-ItalicMT\"] = \"Times-Italic\";\n  t.TimesNewRomanPSMT = \"Times-Roman\";\n  t[\"TimesNewRomanPSMT-Bold\"] = \"Times-Bold\";\n  t[\"TimesNewRomanPSMT-BoldItalic\"] = \"Times-BoldItalic\";\n  t[\"TimesNewRomanPSMT-Italic\"] = \"Times-Italic\";\n});\n\n/**\n * Holds the map of the non-standard fonts that might be included as\n * a standard fonts without glyph data.\n */\nconst getNonStdFontMap = getLookupTableFactory(function (t) {\n  t.Calibri = \"Helvetica\";\n  t[\"Calibri-Bold\"] = \"Helvetica-Bold\";\n  t[\"Calibri-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"Calibri-Italic\"] = \"Helvetica-Oblique\";\n  t.CenturyGothic = \"Helvetica\";\n  t[\"CenturyGothic-Bold\"] = \"Helvetica-Bold\";\n  t[\"CenturyGothic-BoldItalic\"] = \"Helvetica-BoldOblique\";\n  t[\"CenturyGothic-Italic\"] = \"Helvetica-Oblique\";\n  t.ComicSansMS = \"Comic Sans MS\";\n  t[\"ComicSansMS-Bold\"] = \"Comic Sans MS-Bold\";\n  t[\"ComicSansMS-BoldItalic\"] = \"Comic Sans MS-BoldItalic\";\n  t[\"ComicSansMS-Italic\"] = \"Comic Sans MS-Italic\";\n  t.LucidaConsole = \"Courier\";\n  t[\"LucidaConsole-Bold\"] = \"Courier-Bold\";\n  t[\"LucidaConsole-BoldItalic\"] = \"Courier-BoldOblique\";\n  t[\"LucidaConsole-Italic\"] = \"Courier-Oblique\";\n  t[\"LucidaSans-Demi\"] = \"Helvetica-Bold\";\n  t[\"MS-Gothic\"] = \"MS Gothic\";\n  t[\"MS-Gothic-Bold\"] = \"MS Gothic-Bold\";\n  t[\"MS-Gothic-BoldItalic\"] = \"MS Gothic-BoldItalic\";\n  t[\"MS-Gothic-Italic\"] = \"MS Gothic-Italic\";\n  t[\"MS-Mincho\"] = \"MS Mincho\";\n  t[\"MS-Mincho-Bold\"] = \"MS Mincho-Bold\";\n  t[\"MS-Mincho-BoldItalic\"] = \"MS Mincho-BoldItalic\";\n  t[\"MS-Mincho-Italic\"] = \"MS Mincho-Italic\";\n  t[\"MS-PGothic\"] = \"MS PGothic\";\n  t[\"MS-PGothic-Bold\"] = \"MS PGothic-Bold\";\n  t[\"MS-PGothic-BoldItalic\"] = \"MS PGothic-BoldItalic\";\n  t[\"MS-PGothic-Italic\"] = \"MS PGothic-Italic\";\n  t[\"MS-PMincho\"] = \"MS PMincho\";\n  t[\"MS-PMincho-Bold\"] = \"MS PMincho-Bold\";\n  t[\"MS-PMincho-BoldItalic\"] = \"MS PMincho-BoldItalic\";\n  t[\"MS-PMincho-Italic\"] = \"MS PMincho-Italic\";\n  t.NuptialScript = \"Times-Italic\";\n  t.SegoeUISymbol = \"Helvetica\";\n  t.Wingdings = \"ZapfDingbats\";\n  t[\"Wingdings-Regular\"] = \"ZapfDingbats\";\n});\n\nconst getSerifFonts = getLookupTableFactory(function (t) {\n  t[\"Adobe Jenson\"] = true;\n  t[\"Adobe Text\"] = true;\n  t.Albertus = true;\n  t.Aldus = true;\n  t.Alexandria = true;\n  t.Algerian = true;\n  t[\"American Typewriter\"] = true;\n  t.Antiqua = true;\n  t.Apex = true;\n  t.Arno = true;\n  t.Aster = true;\n  t.Aurora = true;\n  t.Baskerville = true;\n  t.Bell = true;\n  t.Bembo = true;\n  t[\"Bembo Schoolbook\"] = true;\n  t.Benguiat = true;\n  t[\"Berkeley Old Style\"] = true;\n  t[\"Bernhard Modern\"] = true;\n  t[\"Berthold City\"] = true;\n  t.Bodoni = true;\n  t[\"Bauer Bodoni\"] = true;\n  t[\"Book Antiqua\"] = true;\n  t.Bookman = true;\n  t[\"Bordeaux Roman\"] = true;\n  t[\"Californian FB\"] = true;\n  t.Calisto = true;\n  t.Calvert = true;\n  t.Capitals = true;\n  t.Cambria = true;\n  t.Cartier = true;\n  t.Caslon = true;\n  t.Catull = true;\n  t.Centaur = true;\n  t[\"Century Old Style\"] = true;\n  t[\"Century Schoolbook\"] = true;\n  t.Chaparral = true;\n  t[\"Charis SIL\"] = true;\n  t.Cheltenham = true;\n  t[\"Cholla Slab\"] = true;\n  t.Clarendon = true;\n  t.Clearface = true;\n  t.Cochin = true;\n  t.Colonna = true;\n  t[\"Computer Modern\"] = true;\n  t[\"Concrete Roman\"] = true;\n  t.Constantia = true;\n  t[\"Cooper Black\"] = true;\n  t.Corona = true;\n  t.Ecotype = true;\n  t.Egyptienne = true;\n  t.Elephant = true;\n  t.Excelsior = true;\n  t.Fairfield = true;\n  t[\"FF Scala\"] = true;\n  t.Folkard = true;\n  t.Footlight = true;\n  t.FreeSerif = true;\n  t[\"Friz Quadrata\"] = true;\n  t.Garamond = true;\n  t.Gentium = true;\n  t.Georgia = true;\n  t.Gloucester = true;\n  t[\"Goudy Old Style\"] = true;\n  t[\"Goudy Schoolbook\"] = true;\n  t[\"Goudy Pro Font\"] = true;\n  t.Granjon = true;\n  t[\"Guardian Egyptian\"] = true;\n  t.Heather = true;\n  t.Hercules = true;\n  t[\"High Tower Text\"] = true;\n  t.Hiroshige = true;\n  t[\"Hoefler Text\"] = true;\n  t[\"Humana Serif\"] = true;\n  t.Imprint = true;\n  t[\"Ionic No. 5\"] = true;\n  t.Janson = true;\n  t.Joanna = true;\n  t.Korinna = true;\n  t.Lexicon = true;\n  t[\"Liberation Serif\"] = true;\n  t[\"Linux Libertine\"] = true;\n  t.Literaturnaya = true;\n  t.Lucida = true;\n  t[\"Lucida Bright\"] = true;\n  t.Melior = true;\n  t.Memphis = true;\n  t.Miller = true;\n  t.Minion = true;\n  t.Modern = true;\n  t[\"Mona Lisa\"] = true;\n  t[\"Mrs Eaves\"] = true;\n  t[\"MS Serif\"] = true;\n  t[\"Museo Slab\"] = true;\n  t[\"New York\"] = true;\n  t[\"Nimbus Roman\"] = true;\n  t[\"NPS Rawlinson Roadway\"] = true;\n  t.NuptialScript = true;\n  t.Palatino = true;\n  t.Perpetua = true;\n  t.Plantin = true;\n  t[\"Plantin Schoolbook\"] = true;\n  t.Playbill = true;\n  t[\"Poor Richard\"] = true;\n  t[\"Rawlinson Roadway\"] = true;\n  t.Renault = true;\n  t.Requiem = true;\n  t.Rockwell = true;\n  t.Roman = true;\n  t[\"Rotis Serif\"] = true;\n  t.Sabon = true;\n  t.Scala = true;\n  t.Seagull = true;\n  t.Sistina = true;\n  t.Souvenir = true;\n  t.STIX = true;\n  t[\"Stone Informal\"] = true;\n  t[\"Stone Serif\"] = true;\n  t.Sylfaen = true;\n  t.Times = true;\n  t.Trajan = true;\n  t[\"Trinité\"] = true;\n  t[\"Trump Mediaeval\"] = true;\n  t.Utopia = true;\n  t[\"Vale Type\"] = true;\n  t[\"Bitstream Vera\"] = true;\n  t[\"Vera Serif\"] = true;\n  t.Versailles = true;\n  t.Wanted = true;\n  t.Weiss = true;\n  t[\"Wide Latin\"] = true;\n  t.Windsor = true;\n  t.XITS = true;\n});\n\nconst getSymbolsFonts = getLookupTableFactory(function (t) {\n  t.Dingbats = true;\n  t.Symbol = true;\n  t.ZapfDingbats = true;\n});\n\n// Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID\n// fonts, but does not embed the CID to GID mapping. The mapping is incomplete\n// for all glyphs, but common for some set of the standard fonts.\nconst getGlyphMapForStandardFonts = getLookupTableFactory(function (t) {\n  t[2] = 10;\n  t[3] = 32;\n  t[4] = 33;\n  t[5] = 34;\n  t[6] = 35;\n  t[7] = 36;\n  t[8] = 37;\n  t[9] = 38;\n  t[10] = 39;\n  t[11] = 40;\n  t[12] = 41;\n  t[13] = 42;\n  t[14] = 43;\n  t[15] = 44;\n  t[16] = 45;\n  t[17] = 46;\n  t[18] = 47;\n  t[19] = 48;\n  t[20] = 49;\n  t[21] = 50;\n  t[22] = 51;\n  t[23] = 52;\n  t[24] = 53;\n  t[25] = 54;\n  t[26] = 55;\n  t[27] = 56;\n  t[28] = 57;\n  t[29] = 58;\n  t[30] = 894;\n  t[31] = 60;\n  t[32] = 61;\n  t[33] = 62;\n  t[34] = 63;\n  t[35] = 64;\n  t[36] = 65;\n  t[37] = 66;\n  t[38] = 67;\n  t[39] = 68;\n  t[40] = 69;\n  t[41] = 70;\n  t[42] = 71;\n  t[43] = 72;\n  t[44] = 73;\n  t[45] = 74;\n  t[46] = 75;\n  t[47] = 76;\n  t[48] = 77;\n  t[49] = 78;\n  t[50] = 79;\n  t[51] = 80;\n  t[52] = 81;\n  t[53] = 82;\n  t[54] = 83;\n  t[55] = 84;\n  t[56] = 85;\n  t[57] = 86;\n  t[58] = 87;\n  t[59] = 88;\n  t[60] = 89;\n  t[61] = 90;\n  t[62] = 91;\n  t[63] = 92;\n  t[64] = 93;\n  t[65] = 94;\n  t[66] = 95;\n  t[67] = 96;\n  t[68] = 97;\n  t[69] = 98;\n  t[70] = 99;\n  t[71] = 100;\n  t[72] = 101;\n  t[73] = 102;\n  t[74] = 103;\n  t[75] = 104;\n  t[76] = 105;\n  t[77] = 106;\n  t[78] = 107;\n  t[79] = 108;\n  t[80] = 109;\n  t[81] = 110;\n  t[82] = 111;\n  t[83] = 112;\n  t[84] = 113;\n  t[85] = 114;\n  t[86] = 115;\n  t[87] = 116;\n  t[88] = 117;\n  t[89] = 118;\n  t[90] = 119;\n  t[91] = 120;\n  t[92] = 121;\n  t[93] = 122;\n  t[94] = 123;\n  t[95] = 124;\n  t[96] = 125;\n  t[97] = 126;\n  t[98] = 196;\n  t[99] = 197;\n  t[100] = 199;\n  t[101] = 201;\n  t[102] = 209;\n  t[103] = 214;\n  t[104] = 220;\n  t[105] = 225;\n  t[106] = 224;\n  t[107] = 226;\n  t[108] = 228;\n  t[109] = 227;\n  t[110] = 229;\n  t[111] = 231;\n  t[112] = 233;\n  t[113] = 232;\n  t[114] = 234;\n  t[115] = 235;\n  t[116] = 237;\n  t[117] = 236;\n  t[118] = 238;\n  t[119] = 239;\n  t[120] = 241;\n  t[121] = 243;\n  t[122] = 242;\n  t[123] = 244;\n  t[124] = 246;\n  t[125] = 245;\n  t[126] = 250;\n  t[127] = 249;\n  t[128] = 251;\n  t[129] = 252;\n  t[130] = 8224;\n  t[131] = 176;\n  t[132] = 162;\n  t[133] = 163;\n  t[134] = 167;\n  t[135] = 8226;\n  t[136] = 182;\n  t[137] = 223;\n  t[138] = 174;\n  t[139] = 169;\n  t[140] = 8482;\n  t[141] = 180;\n  t[142] = 168;\n  t[143] = 8800;\n  t[144] = 198;\n  t[145] = 216;\n  t[146] = 8734;\n  t[147] = 177;\n  t[148] = 8804;\n  t[149] = 8805;\n  t[150] = 165;\n  t[151] = 181;\n  t[152] = 8706;\n  t[153] = 8721;\n  t[154] = 8719;\n  t[156] = 8747;\n  t[157] = 170;\n  t[158] = 186;\n  t[159] = 8486;\n  t[160] = 230;\n  t[161] = 248;\n  t[162] = 191;\n  t[163] = 161;\n  t[164] = 172;\n  t[165] = 8730;\n  t[166] = 402;\n  t[167] = 8776;\n  t[168] = 8710;\n  t[169] = 171;\n  t[170] = 187;\n  t[171] = 8230;\n  t[210] = 218;\n  t[223] = 711;\n  t[224] = 321;\n  t[225] = 322;\n  t[227] = 353;\n  t[229] = 382;\n  t[234] = 253;\n  t[252] = 263;\n  t[253] = 268;\n  t[254] = 269;\n  t[258] = 258;\n  t[260] = 260;\n  t[261] = 261;\n  t[265] = 280;\n  t[266] = 281;\n  t[268] = 283;\n  t[269] = 313;\n  t[275] = 323;\n  t[276] = 324;\n  t[278] = 328;\n  t[284] = 345;\n  t[285] = 346;\n  t[286] = 347;\n  t[292] = 367;\n  t[295] = 377;\n  t[296] = 378;\n  t[298] = 380;\n  t[305] = 963;\n  t[306] = 964;\n  t[307] = 966;\n  t[308] = 8215;\n  t[309] = 8252;\n  t[310] = 8319;\n  t[311] = 8359;\n  t[312] = 8592;\n  t[313] = 8593;\n  t[337] = 9552;\n  t[493] = 1039;\n  t[494] = 1040;\n  t[705] = 1524;\n  t[706] = 8362;\n  t[710] = 64288;\n  t[711] = 64298;\n  t[759] = 1617;\n  t[761] = 1776;\n  t[763] = 1778;\n  t[775] = 1652;\n  t[777] = 1764;\n  t[778] = 1780;\n  t[779] = 1781;\n  t[780] = 1782;\n  t[782] = 771;\n  t[783] = 64726;\n  t[786] = 8363;\n  t[788] = 8532;\n  t[790] = 768;\n  t[791] = 769;\n  t[792] = 768;\n  t[795] = 803;\n  t[797] = 64336;\n  t[798] = 64337;\n  t[799] = 64342;\n  t[800] = 64343;\n  t[801] = 64344;\n  t[802] = 64345;\n  t[803] = 64362;\n  t[804] = 64363;\n  t[805] = 64364;\n  t[2424] = 7821;\n  t[2425] = 7822;\n  t[2426] = 7823;\n  t[2427] = 7824;\n  t[2428] = 7825;\n  t[2429] = 7826;\n  t[2430] = 7827;\n  t[2433] = 7682;\n  t[2678] = 8045;\n  t[2679] = 8046;\n  t[2830] = 1552;\n  t[2838] = 686;\n  t[2840] = 751;\n  t[2842] = 753;\n  t[2843] = 754;\n  t[2844] = 755;\n  t[2846] = 757;\n  t[2856] = 767;\n  t[2857] = 848;\n  t[2858] = 849;\n  t[2862] = 853;\n  t[2863] = 854;\n  t[2864] = 855;\n  t[2865] = 861;\n  t[2866] = 862;\n  t[2906] = 7460;\n  t[2908] = 7462;\n  t[2909] = 7463;\n  t[2910] = 7464;\n  t[2912] = 7466;\n  t[2913] = 7467;\n  t[2914] = 7468;\n  t[2916] = 7470;\n  t[2917] = 7471;\n  t[2918] = 7472;\n  t[2920] = 7474;\n  t[2921] = 7475;\n  t[2922] = 7476;\n  t[2924] = 7478;\n  t[2925] = 7479;\n  t[2926] = 7480;\n  t[2928] = 7482;\n  t[2929] = 7483;\n  t[2930] = 7484;\n  t[2932] = 7486;\n  t[2933] = 7487;\n  t[2934] = 7488;\n  t[2936] = 7490;\n  t[2937] = 7491;\n  t[2938] = 7492;\n  t[2940] = 7494;\n  t[2941] = 7495;\n  t[2942] = 7496;\n  t[2944] = 7498;\n  t[2946] = 7500;\n  t[2948] = 7502;\n  t[2950] = 7504;\n  t[2951] = 7505;\n  t[2952] = 7506;\n  t[2954] = 7508;\n  t[2955] = 7509;\n  t[2956] = 7510;\n  t[2958] = 7512;\n  t[2959] = 7513;\n  t[2960] = 7514;\n  t[2962] = 7516;\n  t[2963] = 7517;\n  t[2964] = 7518;\n  t[2966] = 7520;\n  t[2967] = 7521;\n  t[2968] = 7522;\n  t[2970] = 7524;\n  t[2971] = 7525;\n  t[2972] = 7526;\n  t[2974] = 7528;\n  t[2975] = 7529;\n  t[2976] = 7530;\n  t[2978] = 1537;\n  t[2979] = 1538;\n  t[2980] = 1539;\n  t[2982] = 1549;\n  t[2983] = 1551;\n  t[2984] = 1552;\n  t[2986] = 1554;\n  t[2987] = 1555;\n  t[2988] = 1556;\n  t[2990] = 1623;\n  t[2991] = 1624;\n  t[2995] = 1775;\n  t[2999] = 1791;\n  t[3002] = 64290;\n  t[3003] = 64291;\n  t[3004] = 64292;\n  t[3006] = 64294;\n  t[3007] = 64295;\n  t[3008] = 64296;\n  t[3011] = 1900;\n  t[3014] = 8223;\n  t[3015] = 8244;\n  t[3017] = 7532;\n  t[3018] = 7533;\n  t[3019] = 7534;\n  t[3075] = 7590;\n  t[3076] = 7591;\n  t[3079] = 7594;\n  t[3080] = 7595;\n  t[3083] = 7598;\n  t[3084] = 7599;\n  t[3087] = 7602;\n  t[3088] = 7603;\n  t[3091] = 7606;\n  t[3092] = 7607;\n  t[3095] = 7610;\n  t[3096] = 7611;\n  t[3099] = 7614;\n  t[3100] = 7615;\n  t[3103] = 7618;\n  t[3104] = 7619;\n  t[3107] = 8337;\n  t[3108] = 8338;\n  t[3116] = 1884;\n  t[3119] = 1885;\n  t[3120] = 1885;\n  t[3123] = 1886;\n  t[3124] = 1886;\n  t[3127] = 1887;\n  t[3128] = 1887;\n  t[3131] = 1888;\n  t[3132] = 1888;\n  t[3135] = 1889;\n  t[3136] = 1889;\n  t[3139] = 1890;\n  t[3140] = 1890;\n  t[3143] = 1891;\n  t[3144] = 1891;\n  t[3147] = 1892;\n  t[3148] = 1892;\n  t[3153] = 580;\n  t[3154] = 581;\n  t[3157] = 584;\n  t[3158] = 585;\n  t[3161] = 588;\n  t[3162] = 589;\n  t[3165] = 891;\n  t[3166] = 892;\n  t[3169] = 1274;\n  t[3170] = 1275;\n  t[3173] = 1278;\n  t[3174] = 1279;\n  t[3181] = 7622;\n  t[3182] = 7623;\n  t[3282] = 11799;\n  t[3316] = 578;\n  t[3379] = 42785;\n  t[3393] = 1159;\n  t[3416] = 8377;\n});\n\n// The glyph map for ArialBlack differs slightly from the glyph map used for\n// other well-known standard fonts. Hence we use this (incomplete) CID to GID\n// mapping to adjust the glyph map for non-embedded ArialBlack fonts.\nconst getSupplementalGlyphMapForArialBlack = getLookupTableFactory(function (\n  t\n) {\n  t[227] = 322;\n  t[264] = 261;\n  t[291] = 346;\n});\n\n// The glyph map for Calibri (a Windows font) differs from the glyph map used\n// in the standard fonts. Hence we use this (incomplete) CID to GID mapping to\n// adjust the glyph map for non-embedded Calibri fonts.\nconst getSupplementalGlyphMapForCalibri = getLookupTableFactory(function (t) {\n  t[1] = 32;\n  t[4] = 65;\n  t[17] = 66;\n  t[18] = 67;\n  t[24] = 68;\n  t[28] = 69;\n  t[38] = 70;\n  t[39] = 71;\n  t[44] = 72;\n  t[47] = 73;\n  t[58] = 74;\n  t[60] = 75;\n  t[62] = 76;\n  t[68] = 77;\n  t[69] = 78;\n  t[75] = 79;\n  t[87] = 80;\n  t[89] = 81;\n  t[90] = 82;\n  t[94] = 83;\n  t[100] = 84;\n  t[104] = 85;\n  t[115] = 86;\n  t[116] = 87;\n  t[121] = 88;\n  t[122] = 89;\n  t[127] = 90;\n  t[258] = 97;\n  t[268] = 261;\n  t[271] = 98;\n  t[272] = 99;\n  t[273] = 263;\n  t[282] = 100;\n  t[286] = 101;\n  t[295] = 281;\n  t[296] = 102;\n  t[336] = 103;\n  t[346] = 104;\n  t[349] = 105;\n  t[361] = 106;\n  t[364] = 107;\n  t[367] = 108;\n  t[371] = 322;\n  t[373] = 109;\n  t[374] = 110;\n  t[381] = 111;\n  t[383] = 243;\n  t[393] = 112;\n  t[395] = 113;\n  t[396] = 114;\n  t[400] = 115;\n  t[401] = 347;\n  t[410] = 116;\n  t[437] = 117;\n  t[448] = 118;\n  t[449] = 119;\n  t[454] = 120;\n  t[455] = 121;\n  t[460] = 122;\n  t[463] = 380;\n  t[853] = 44;\n  t[855] = 58;\n  t[856] = 46;\n  t[876] = 47;\n  t[878] = 45;\n  t[882] = 45;\n  t[894] = 40;\n  t[895] = 41;\n  t[896] = 91;\n  t[897] = 93;\n  t[923] = 64;\n  t[1004] = 48;\n  t[1005] = 49;\n  t[1006] = 50;\n  t[1007] = 51;\n  t[1008] = 52;\n  t[1009] = 53;\n  t[1010] = 54;\n  t[1011] = 55;\n  t[1012] = 56;\n  t[1013] = 57;\n  t[1081] = 37;\n  t[1085] = 43;\n  t[1086] = 45;\n});\n\nexport {\n  getStdFontMap,\n  getNonStdFontMap,\n  getSerifFonts,\n  getSymbolsFonts,\n  getGlyphMapForStandardFonts,\n  getSupplementalGlyphMapForArialBlack,\n  getSupplementalGlyphMapForCalibri,\n};\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* no-babel-preset */\n\nvar getLookupTableFactory = require(\"./core_utils.js\").getLookupTableFactory;\n\n// Some characters, e.g. copyrightserif, are mapped to the private use area\n// and might not be displayed using standard fonts. Mapping/hacking well-known\n// chars to the similar equivalents in the normal characters range.\nvar getSpecialPUASymbols = getLookupTableFactory(function (t) {\n  t[63721] = 0x00a9; // copyrightsans (0xF8E9) => copyright\n  t[63193] = 0x00a9; // copyrightserif (0xF6D9) => copyright\n  t[63720] = 0x00ae; // registersans (0xF8E8) => registered\n  t[63194] = 0x00ae; // registerserif (0xF6DA) => registered\n  t[63722] = 0x2122; // trademarksans (0xF8EA) => trademark\n  t[63195] = 0x2122; // trademarkserif (0xF6DB) => trademark\n  t[63729] = 0x23a7; // bracelefttp (0xF8F1)\n  t[63730] = 0x23a8; // braceleftmid (0xF8F2)\n  t[63731] = 0x23a9; // braceleftbt (0xF8F3)\n  t[63740] = 0x23ab; // bracerighttp (0xF8FC)\n  t[63741] = 0x23ac; // bracerightmid (0xF8FD)\n  t[63742] = 0x23ad; // bracerightbt (0xF8FE)\n  t[63726] = 0x23a1; // bracketlefttp (0xF8EE)\n  t[63727] = 0x23a2; // bracketleftex (0xF8EF)\n  t[63728] = 0x23a3; // bracketleftbt (0xF8F0)\n  t[63737] = 0x23a4; // bracketrighttp (0xF8F9)\n  t[63738] = 0x23a5; // bracketrightex (0xF8FA)\n  t[63739] = 0x23a6; // bracketrightbt (0xF8FB)\n  t[63723] = 0x239b; // parenlefttp (0xF8EB)\n  t[63724] = 0x239c; // parenleftex (0xF8EC)\n  t[63725] = 0x239d; // parenleftbt (0xF8ED)\n  t[63734] = 0x239e; // parenrighttp (0xF8F6)\n  t[63735] = 0x239f; // parenrightex (0xF8F7)\n  t[63736] = 0x23a0; // parenrightbt (0xF8F8)\n});\n\nfunction mapSpecialUnicodeValues(code) {\n  if (code >= 0xfff0 && code <= 0xffff) {\n    // Specials unicode block.\n    return 0;\n  } else if (code >= 0xf600 && code <= 0xf8ff) {\n    return getSpecialPUASymbols()[code] || code;\n  } else if (code === /* softhyphen = */ 0x00ad) {\n    return 0x002d; // hyphen\n  }\n  return code;\n}\n\nfunction getUnicodeForGlyph(name, glyphsUnicodeMap) {\n  var unicode = glyphsUnicodeMap[name];\n  if (unicode !== undefined) {\n    return unicode;\n  }\n  if (!name) {\n    return -1;\n  }\n  // Try to recover valid Unicode values from 'uniXXXX'/'uXXXX{XX}' glyphs.\n  if (name[0] === \"u\") {\n    var nameLen = name.length,\n      hexStr;\n\n    if (nameLen === 7 && name[1] === \"n\" && name[2] === \"i\") {\n      // 'uniXXXX'\n      hexStr = name.substring(3);\n    } else if (nameLen >= 5 && nameLen <= 7) {\n      // 'uXXXX{XX}'\n      hexStr = name.substring(1);\n    } else {\n      return -1;\n    }\n    // Check for upper-case hexadecimal characters, to avoid false positives.\n    if (hexStr === hexStr.toUpperCase()) {\n      unicode = parseInt(hexStr, 16);\n      if (unicode >= 0) {\n        return unicode;\n      }\n    }\n  }\n  return -1;\n}\n\nvar UnicodeRanges = [\n  { begin: 0x0000, end: 0x007f }, // Basic Latin\n  { begin: 0x0080, end: 0x00ff }, // Latin-1 Supplement\n  { begin: 0x0100, end: 0x017f }, // Latin Extended-A\n  { begin: 0x0180, end: 0x024f }, // Latin Extended-B\n  { begin: 0x0250, end: 0x02af }, // IPA Extensions\n  { begin: 0x02b0, end: 0x02ff }, // Spacing Modifier Letters\n  { begin: 0x0300, end: 0x036f }, // Combining Diacritical Marks\n  { begin: 0x0370, end: 0x03ff }, // Greek and Coptic\n  { begin: 0x2c80, end: 0x2cff }, // Coptic\n  { begin: 0x0400, end: 0x04ff }, // Cyrillic\n  { begin: 0x0530, end: 0x058f }, // Armenian\n  { begin: 0x0590, end: 0x05ff }, // Hebrew\n  { begin: 0xa500, end: 0xa63f }, // Vai\n  { begin: 0x0600, end: 0x06ff }, // Arabic\n  { begin: 0x07c0, end: 0x07ff }, // NKo\n  { begin: 0x0900, end: 0x097f }, // Devanagari\n  { begin: 0x0980, end: 0x09ff }, // Bengali\n  { begin: 0x0a00, end: 0x0a7f }, // Gurmukhi\n  { begin: 0x0a80, end: 0x0aff }, // Gujarati\n  { begin: 0x0b00, end: 0x0b7f }, // Oriya\n  { begin: 0x0b80, end: 0x0bff }, // Tamil\n  { begin: 0x0c00, end: 0x0c7f }, // Telugu\n  { begin: 0x0c80, end: 0x0cff }, // Kannada\n  { begin: 0x0d00, end: 0x0d7f }, // Malayalam\n  { begin: 0x0e00, end: 0x0e7f }, // Thai\n  { begin: 0x0e80, end: 0x0eff }, // Lao\n  { begin: 0x10a0, end: 0x10ff }, // Georgian\n  { begin: 0x1b00, end: 0x1b7f }, // Balinese\n  { begin: 0x1100, end: 0x11ff }, // Hangul Jamo\n  { begin: 0x1e00, end: 0x1eff }, // Latin Extended Additional\n  { begin: 0x1f00, end: 0x1fff }, // Greek Extended\n  { begin: 0x2000, end: 0x206f }, // General Punctuation\n  { begin: 0x2070, end: 0x209f }, // Superscripts And Subscripts\n  { begin: 0x20a0, end: 0x20cf }, // Currency Symbol\n  { begin: 0x20d0, end: 0x20ff }, // Combining Diacritical Marks\n  { begin: 0x2100, end: 0x214f }, // Letterlike Symbols\n  { begin: 0x2150, end: 0x218f }, // Number Forms\n  { begin: 0x2190, end: 0x21ff }, // Arrows\n  { begin: 0x2200, end: 0x22ff }, // Mathematical Operators\n  { begin: 0x2300, end: 0x23ff }, // Miscellaneous Technical\n  { begin: 0x2400, end: 0x243f }, // Control Pictures\n  { begin: 0x2440, end: 0x245f }, // Optical Character Recognition\n  { begin: 0x2460, end: 0x24ff }, // Enclosed Alphanumerics\n  { begin: 0x2500, end: 0x257f }, // Box Drawing\n  { begin: 0x2580, end: 0x259f }, // Block Elements\n  { begin: 0x25a0, end: 0x25ff }, // Geometric Shapes\n  { begin: 0x2600, end: 0x26ff }, // Miscellaneous Symbols\n  { begin: 0x2700, end: 0x27bf }, // Dingbats\n  { begin: 0x3000, end: 0x303f }, // CJK Symbols And Punctuation\n  { begin: 0x3040, end: 0x309f }, // Hiragana\n  { begin: 0x30a0, end: 0x30ff }, // Katakana\n  { begin: 0x3100, end: 0x312f }, // Bopomofo\n  { begin: 0x3130, end: 0x318f }, // Hangul Compatibility Jamo\n  { begin: 0xa840, end: 0xa87f }, // Phags-pa\n  { begin: 0x3200, end: 0x32ff }, // Enclosed CJK Letters And Months\n  { begin: 0x3300, end: 0x33ff }, // CJK Compatibility\n  { begin: 0xac00, end: 0xd7af }, // Hangul Syllables\n  { begin: 0xd800, end: 0xdfff }, // Non-Plane 0 *\n  { begin: 0x10900, end: 0x1091f }, // Phoenicia\n  { begin: 0x4e00, end: 0x9fff }, // CJK Unified Ideographs\n  { begin: 0xe000, end: 0xf8ff }, // Private Use Area (plane 0)\n  { begin: 0x31c0, end: 0x31ef }, // CJK Strokes\n  { begin: 0xfb00, end: 0xfb4f }, // Alphabetic Presentation Forms\n  { begin: 0xfb50, end: 0xfdff }, // Arabic Presentation Forms-A\n  { begin: 0xfe20, end: 0xfe2f }, // Combining Half Marks\n  { begin: 0xfe10, end: 0xfe1f }, // Vertical Forms\n  { begin: 0xfe50, end: 0xfe6f }, // Small Form Variants\n  { begin: 0xfe70, end: 0xfeff }, // Arabic Presentation Forms-B\n  { begin: 0xff00, end: 0xffef }, // Halfwidth And Fullwidth Forms\n  { begin: 0xfff0, end: 0xffff }, // Specials\n  { begin: 0x0f00, end: 0x0fff }, // Tibetan\n  { begin: 0x0700, end: 0x074f }, // Syriac\n  { begin: 0x0780, end: 0x07bf }, // Thaana\n  { begin: 0x0d80, end: 0x0dff }, // Sinhala\n  { begin: 0x1000, end: 0x109f }, // Myanmar\n  { begin: 0x1200, end: 0x137f }, // Ethiopic\n  { begin: 0x13a0, end: 0x13ff }, // Cherokee\n  { begin: 0x1400, end: 0x167f }, // Unified Canadian Aboriginal Syllabics\n  { begin: 0x1680, end: 0x169f }, // Ogham\n  { begin: 0x16a0, end: 0x16ff }, // Runic\n  { begin: 0x1780, end: 0x17ff }, // Khmer\n  { begin: 0x1800, end: 0x18af }, // Mongolian\n  { begin: 0x2800, end: 0x28ff }, // Braille Patterns\n  { begin: 0xa000, end: 0xa48f }, // Yi Syllables\n  { begin: 0x1700, end: 0x171f }, // Tagalog\n  { begin: 0x10300, end: 0x1032f }, // Old Italic\n  { begin: 0x10330, end: 0x1034f }, // Gothic\n  { begin: 0x10400, end: 0x1044f }, // Deseret\n  { begin: 0x1d000, end: 0x1d0ff }, // Byzantine Musical Symbols\n  { begin: 0x1d400, end: 0x1d7ff }, // Mathematical Alphanumeric Symbols\n  { begin: 0xff000, end: 0xffffd }, // Private Use (plane 15)\n  { begin: 0xfe00, end: 0xfe0f }, // Variation Selectors\n  { begin: 0xe0000, end: 0xe007f }, // Tags\n  { begin: 0x1900, end: 0x194f }, // Limbu\n  { begin: 0x1950, end: 0x197f }, // Tai Le\n  { begin: 0x1980, end: 0x19df }, // New Tai Lue\n  { begin: 0x1a00, end: 0x1a1f }, // Buginese\n  { begin: 0x2c00, end: 0x2c5f }, // Glagolitic\n  { begin: 0x2d30, end: 0x2d7f }, // Tifinagh\n  { begin: 0x4dc0, end: 0x4dff }, // Yijing Hexagram Symbols\n  { begin: 0xa800, end: 0xa82f }, // Syloti Nagri\n  { begin: 0x10000, end: 0x1007f }, // Linear B Syllabary\n  { begin: 0x10140, end: 0x1018f }, // Ancient Greek Numbers\n  { begin: 0x10380, end: 0x1039f }, // Ugaritic\n  { begin: 0x103a0, end: 0x103df }, // Old Persian\n  { begin: 0x10450, end: 0x1047f }, // Shavian\n  { begin: 0x10480, end: 0x104af }, // Osmanya\n  { begin: 0x10800, end: 0x1083f }, // Cypriot Syllabary\n  { begin: 0x10a00, end: 0x10a5f }, // Kharoshthi\n  { begin: 0x1d300, end: 0x1d35f }, // Tai Xuan Jing Symbols\n  { begin: 0x12000, end: 0x123ff }, // Cuneiform\n  { begin: 0x1d360, end: 0x1d37f }, // Counting Rod Numerals\n  { begin: 0x1b80, end: 0x1bbf }, // Sundanese\n  { begin: 0x1c00, end: 0x1c4f }, // Lepcha\n  { begin: 0x1c50, end: 0x1c7f }, // Ol Chiki\n  { begin: 0xa880, end: 0xa8df }, // Saurashtra\n  { begin: 0xa900, end: 0xa92f }, // Kayah Li\n  { begin: 0xa930, end: 0xa95f }, // Rejang\n  { begin: 0xaa00, end: 0xaa5f }, // Cham\n  { begin: 0x10190, end: 0x101cf }, // Ancient Symbols\n  { begin: 0x101d0, end: 0x101ff }, // Phaistos Disc\n  { begin: 0x102a0, end: 0x102df }, // Carian\n  { begin: 0x1f030, end: 0x1f09f }, // Domino Tiles\n];\n\nfunction getUnicodeRangeFor(value) {\n  for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {\n    var range = UnicodeRanges[i];\n    if (value >= range.begin && value < range.end) {\n      return i;\n    }\n  }\n  return -1;\n}\n\nfunction isRTLRangeFor(value) {\n  var range = UnicodeRanges[13];\n  if (value >= range.begin && value < range.end) {\n    return true;\n  }\n  range = UnicodeRanges[11];\n  if (value >= range.begin && value < range.end) {\n    return true;\n  }\n  return false;\n}\n\n// The normalization table is obtained by filtering the Unicode characters\n// database with <compat> entries.\nvar getNormalizedUnicodes = getLookupTableFactory(function (t) {\n  t[\"\\u00A8\"] = \"\\u0020\\u0308\";\n  t[\"\\u00AF\"] = \"\\u0020\\u0304\";\n  t[\"\\u00B4\"] = \"\\u0020\\u0301\";\n  t[\"\\u00B5\"] = \"\\u03BC\";\n  t[\"\\u00B8\"] = \"\\u0020\\u0327\";\n  t[\"\\u0132\"] = \"\\u0049\\u004A\";\n  t[\"\\u0133\"] = \"\\u0069\\u006A\";\n  t[\"\\u013F\"] = \"\\u004C\\u00B7\";\n  t[\"\\u0140\"] = \"\\u006C\\u00B7\";\n  t[\"\\u0149\"] = \"\\u02BC\\u006E\";\n  t[\"\\u017F\"] = \"\\u0073\";\n  t[\"\\u01C4\"] = \"\\u0044\\u017D\";\n  t[\"\\u01C5\"] = \"\\u0044\\u017E\";\n  t[\"\\u01C6\"] = \"\\u0064\\u017E\";\n  t[\"\\u01C7\"] = \"\\u004C\\u004A\";\n  t[\"\\u01C8\"] = \"\\u004C\\u006A\";\n  t[\"\\u01C9\"] = \"\\u006C\\u006A\";\n  t[\"\\u01CA\"] = \"\\u004E\\u004A\";\n  t[\"\\u01CB\"] = \"\\u004E\\u006A\";\n  t[\"\\u01CC\"] = \"\\u006E\\u006A\";\n  t[\"\\u01F1\"] = \"\\u0044\\u005A\";\n  t[\"\\u01F2\"] = \"\\u0044\\u007A\";\n  t[\"\\u01F3\"] = \"\\u0064\\u007A\";\n  t[\"\\u02D8\"] = \"\\u0020\\u0306\";\n  t[\"\\u02D9\"] = \"\\u0020\\u0307\";\n  t[\"\\u02DA\"] = \"\\u0020\\u030A\";\n  t[\"\\u02DB\"] = \"\\u0020\\u0328\";\n  t[\"\\u02DC\"] = \"\\u0020\\u0303\";\n  t[\"\\u02DD\"] = \"\\u0020\\u030B\";\n  t[\"\\u037A\"] = \"\\u0020\\u0345\";\n  t[\"\\u0384\"] = \"\\u0020\\u0301\";\n  t[\"\\u03D0\"] = \"\\u03B2\";\n  t[\"\\u03D1\"] = \"\\u03B8\";\n  t[\"\\u03D2\"] = \"\\u03A5\";\n  t[\"\\u03D5\"] = \"\\u03C6\";\n  t[\"\\u03D6\"] = \"\\u03C0\";\n  t[\"\\u03F0\"] = \"\\u03BA\";\n  t[\"\\u03F1\"] = \"\\u03C1\";\n  t[\"\\u03F2\"] = \"\\u03C2\";\n  t[\"\\u03F4\"] = \"\\u0398\";\n  t[\"\\u03F5\"] = \"\\u03B5\";\n  t[\"\\u03F9\"] = \"\\u03A3\";\n  t[\"\\u0587\"] = \"\\u0565\\u0582\";\n  t[\"\\u0675\"] = \"\\u0627\\u0674\";\n  t[\"\\u0676\"] = \"\\u0648\\u0674\";\n  t[\"\\u0677\"] = \"\\u06C7\\u0674\";\n  t[\"\\u0678\"] = \"\\u064A\\u0674\";\n  t[\"\\u0E33\"] = \"\\u0E4D\\u0E32\";\n  t[\"\\u0EB3\"] = \"\\u0ECD\\u0EB2\";\n  t[\"\\u0EDC\"] = \"\\u0EAB\\u0E99\";\n  t[\"\\u0EDD\"] = \"\\u0EAB\\u0EA1\";\n  t[\"\\u0F77\"] = \"\\u0FB2\\u0F81\";\n  t[\"\\u0F79\"] = \"\\u0FB3\\u0F81\";\n  t[\"\\u1E9A\"] = \"\\u0061\\u02BE\";\n  t[\"\\u1FBD\"] = \"\\u0020\\u0313\";\n  t[\"\\u1FBF\"] = \"\\u0020\\u0313\";\n  t[\"\\u1FC0\"] = \"\\u0020\\u0342\";\n  t[\"\\u1FFE\"] = \"\\u0020\\u0314\";\n  t[\"\\u2002\"] = \"\\u0020\";\n  t[\"\\u2003\"] = \"\\u0020\";\n  t[\"\\u2004\"] = \"\\u0020\";\n  t[\"\\u2005\"] = \"\\u0020\";\n  t[\"\\u2006\"] = \"\\u0020\";\n  t[\"\\u2008\"] = \"\\u0020\";\n  t[\"\\u2009\"] = \"\\u0020\";\n  t[\"\\u200A\"] = \"\\u0020\";\n  t[\"\\u2017\"] = \"\\u0020\\u0333\";\n  t[\"\\u2024\"] = \"\\u002E\";\n  t[\"\\u2025\"] = \"\\u002E\\u002E\";\n  t[\"\\u2026\"] = \"\\u002E\\u002E\\u002E\";\n  t[\"\\u2033\"] = \"\\u2032\\u2032\";\n  t[\"\\u2034\"] = \"\\u2032\\u2032\\u2032\";\n  t[\"\\u2036\"] = \"\\u2035\\u2035\";\n  t[\"\\u2037\"] = \"\\u2035\\u2035\\u2035\";\n  t[\"\\u203C\"] = \"\\u0021\\u0021\";\n  t[\"\\u203E\"] = \"\\u0020\\u0305\";\n  t[\"\\u2047\"] = \"\\u003F\\u003F\";\n  t[\"\\u2048\"] = \"\\u003F\\u0021\";\n  t[\"\\u2049\"] = \"\\u0021\\u003F\";\n  t[\"\\u2057\"] = \"\\u2032\\u2032\\u2032\\u2032\";\n  t[\"\\u205F\"] = \"\\u0020\";\n  t[\"\\u20A8\"] = \"\\u0052\\u0073\";\n  t[\"\\u2100\"] = \"\\u0061\\u002F\\u0063\";\n  t[\"\\u2101\"] = \"\\u0061\\u002F\\u0073\";\n  t[\"\\u2103\"] = \"\\u00B0\\u0043\";\n  t[\"\\u2105\"] = \"\\u0063\\u002F\\u006F\";\n  t[\"\\u2106\"] = \"\\u0063\\u002F\\u0075\";\n  t[\"\\u2107\"] = \"\\u0190\";\n  t[\"\\u2109\"] = \"\\u00B0\\u0046\";\n  t[\"\\u2116\"] = \"\\u004E\\u006F\";\n  t[\"\\u2121\"] = \"\\u0054\\u0045\\u004C\";\n  t[\"\\u2135\"] = \"\\u05D0\";\n  t[\"\\u2136\"] = \"\\u05D1\";\n  t[\"\\u2137\"] = \"\\u05D2\";\n  t[\"\\u2138\"] = \"\\u05D3\";\n  t[\"\\u213B\"] = \"\\u0046\\u0041\\u0058\";\n  t[\"\\u2160\"] = \"\\u0049\";\n  t[\"\\u2161\"] = \"\\u0049\\u0049\";\n  t[\"\\u2162\"] = \"\\u0049\\u0049\\u0049\";\n  t[\"\\u2163\"] = \"\\u0049\\u0056\";\n  t[\"\\u2164\"] = \"\\u0056\";\n  t[\"\\u2165\"] = \"\\u0056\\u0049\";\n  t[\"\\u2166\"] = \"\\u0056\\u0049\\u0049\";\n  t[\"\\u2167\"] = \"\\u0056\\u0049\\u0049\\u0049\";\n  t[\"\\u2168\"] = \"\\u0049\\u0058\";\n  t[\"\\u2169\"] = \"\\u0058\";\n  t[\"\\u216A\"] = \"\\u0058\\u0049\";\n  t[\"\\u216B\"] = \"\\u0058\\u0049\\u0049\";\n  t[\"\\u216C\"] = \"\\u004C\";\n  t[\"\\u216D\"] = \"\\u0043\";\n  t[\"\\u216E\"] = \"\\u0044\";\n  t[\"\\u216F\"] = \"\\u004D\";\n  t[\"\\u2170\"] = \"\\u0069\";\n  t[\"\\u2171\"] = \"\\u0069\\u0069\";\n  t[\"\\u2172\"] = \"\\u0069\\u0069\\u0069\";\n  t[\"\\u2173\"] = \"\\u0069\\u0076\";\n  t[\"\\u2174\"] = \"\\u0076\";\n  t[\"\\u2175\"] = \"\\u0076\\u0069\";\n  t[\"\\u2176\"] = \"\\u0076\\u0069\\u0069\";\n  t[\"\\u2177\"] = \"\\u0076\\u0069\\u0069\\u0069\";\n  t[\"\\u2178\"] = \"\\u0069\\u0078\";\n  t[\"\\u2179\"] = \"\\u0078\";\n  t[\"\\u217A\"] = \"\\u0078\\u0069\";\n  t[\"\\u217B\"] = \"\\u0078\\u0069\\u0069\";\n  t[\"\\u217C\"] = \"\\u006C\";\n  t[\"\\u217D\"] = \"\\u0063\";\n  t[\"\\u217E\"] = \"\\u0064\";\n  t[\"\\u217F\"] = \"\\u006D\";\n  t[\"\\u222C\"] = \"\\u222B\\u222B\";\n  t[\"\\u222D\"] = \"\\u222B\\u222B\\u222B\";\n  t[\"\\u222F\"] = \"\\u222E\\u222E\";\n  t[\"\\u2230\"] = \"\\u222E\\u222E\\u222E\";\n  t[\"\\u2474\"] = \"\\u0028\\u0031\\u0029\";\n  t[\"\\u2475\"] = \"\\u0028\\u0032\\u0029\";\n  t[\"\\u2476\"] = \"\\u0028\\u0033\\u0029\";\n  t[\"\\u2477\"] = \"\\u0028\\u0034\\u0029\";\n  t[\"\\u2478\"] = \"\\u0028\\u0035\\u0029\";\n  t[\"\\u2479\"] = \"\\u0028\\u0036\\u0029\";\n  t[\"\\u247A\"] = \"\\u0028\\u0037\\u0029\";\n  t[\"\\u247B\"] = \"\\u0028\\u0038\\u0029\";\n  t[\"\\u247C\"] = \"\\u0028\\u0039\\u0029\";\n  t[\"\\u247D\"] = \"\\u0028\\u0031\\u0030\\u0029\";\n  t[\"\\u247E\"] = \"\\u0028\\u0031\\u0031\\u0029\";\n  t[\"\\u247F\"] = \"\\u0028\\u0031\\u0032\\u0029\";\n  t[\"\\u2480\"] = \"\\u0028\\u0031\\u0033\\u0029\";\n  t[\"\\u2481\"] = \"\\u0028\\u0031\\u0034\\u0029\";\n  t[\"\\u2482\"] = \"\\u0028\\u0031\\u0035\\u0029\";\n  t[\"\\u2483\"] = \"\\u0028\\u0031\\u0036\\u0029\";\n  t[\"\\u2484\"] = \"\\u0028\\u0031\\u0037\\u0029\";\n  t[\"\\u2485\"] = \"\\u0028\\u0031\\u0038\\u0029\";\n  t[\"\\u2486\"] = \"\\u0028\\u0031\\u0039\\u0029\";\n  t[\"\\u2487\"] = \"\\u0028\\u0032\\u0030\\u0029\";\n  t[\"\\u2488\"] = \"\\u0031\\u002E\";\n  t[\"\\u2489\"] = \"\\u0032\\u002E\";\n  t[\"\\u248A\"] = \"\\u0033\\u002E\";\n  t[\"\\u248B\"] = \"\\u0034\\u002E\";\n  t[\"\\u248C\"] = \"\\u0035\\u002E\";\n  t[\"\\u248D\"] = \"\\u0036\\u002E\";\n  t[\"\\u248E\"] = \"\\u0037\\u002E\";\n  t[\"\\u248F\"] = \"\\u0038\\u002E\";\n  t[\"\\u2490\"] = \"\\u0039\\u002E\";\n  t[\"\\u2491\"] = \"\\u0031\\u0030\\u002E\";\n  t[\"\\u2492\"] = \"\\u0031\\u0031\\u002E\";\n  t[\"\\u2493\"] = \"\\u0031\\u0032\\u002E\";\n  t[\"\\u2494\"] = \"\\u0031\\u0033\\u002E\";\n  t[\"\\u2495\"] = \"\\u0031\\u0034\\u002E\";\n  t[\"\\u2496\"] = \"\\u0031\\u0035\\u002E\";\n  t[\"\\u2497\"] = \"\\u0031\\u0036\\u002E\";\n  t[\"\\u2498\"] = \"\\u0031\\u0037\\u002E\";\n  t[\"\\u2499\"] = \"\\u0031\\u0038\\u002E\";\n  t[\"\\u249A\"] = \"\\u0031\\u0039\\u002E\";\n  t[\"\\u249B\"] = \"\\u0032\\u0030\\u002E\";\n  t[\"\\u249C\"] = \"\\u0028\\u0061\\u0029\";\n  t[\"\\u249D\"] = \"\\u0028\\u0062\\u0029\";\n  t[\"\\u249E\"] = \"\\u0028\\u0063\\u0029\";\n  t[\"\\u249F\"] = \"\\u0028\\u0064\\u0029\";\n  t[\"\\u24A0\"] = \"\\u0028\\u0065\\u0029\";\n  t[\"\\u24A1\"] = \"\\u0028\\u0066\\u0029\";\n  t[\"\\u24A2\"] = \"\\u0028\\u0067\\u0029\";\n  t[\"\\u24A3\"] = \"\\u0028\\u0068\\u0029\";\n  t[\"\\u24A4\"] = \"\\u0028\\u0069\\u0029\";\n  t[\"\\u24A5\"] = \"\\u0028\\u006A\\u0029\";\n  t[\"\\u24A6\"] = \"\\u0028\\u006B\\u0029\";\n  t[\"\\u24A7\"] = \"\\u0028\\u006C\\u0029\";\n  t[\"\\u24A8\"] = \"\\u0028\\u006D\\u0029\";\n  t[\"\\u24A9\"] = \"\\u0028\\u006E\\u0029\";\n  t[\"\\u24AA\"] = \"\\u0028\\u006F\\u0029\";\n  t[\"\\u24AB\"] = \"\\u0028\\u0070\\u0029\";\n  t[\"\\u24AC\"] = \"\\u0028\\u0071\\u0029\";\n  t[\"\\u24AD\"] = \"\\u0028\\u0072\\u0029\";\n  t[\"\\u24AE\"] = \"\\u0028\\u0073\\u0029\";\n  t[\"\\u24AF\"] = \"\\u0028\\u0074\\u0029\";\n  t[\"\\u24B0\"] = \"\\u0028\\u0075\\u0029\";\n  t[\"\\u24B1\"] = \"\\u0028\\u0076\\u0029\";\n  t[\"\\u24B2\"] = \"\\u0028\\u0077\\u0029\";\n  t[\"\\u24B3\"] = \"\\u0028\\u0078\\u0029\";\n  t[\"\\u24B4\"] = \"\\u0028\\u0079\\u0029\";\n  t[\"\\u24B5\"] = \"\\u0028\\u007A\\u0029\";\n  t[\"\\u2A0C\"] = \"\\u222B\\u222B\\u222B\\u222B\";\n  t[\"\\u2A74\"] = \"\\u003A\\u003A\\u003D\";\n  t[\"\\u2A75\"] = \"\\u003D\\u003D\";\n  t[\"\\u2A76\"] = \"\\u003D\\u003D\\u003D\";\n  t[\"\\u2E9F\"] = \"\\u6BCD\";\n  t[\"\\u2EF3\"] = \"\\u9F9F\";\n  t[\"\\u2F00\"] = \"\\u4E00\";\n  t[\"\\u2F01\"] = \"\\u4E28\";\n  t[\"\\u2F02\"] = \"\\u4E36\";\n  t[\"\\u2F03\"] = \"\\u4E3F\";\n  t[\"\\u2F04\"] = \"\\u4E59\";\n  t[\"\\u2F05\"] = \"\\u4E85\";\n  t[\"\\u2F06\"] = \"\\u4E8C\";\n  t[\"\\u2F07\"] = \"\\u4EA0\";\n  t[\"\\u2F08\"] = \"\\u4EBA\";\n  t[\"\\u2F09\"] = \"\\u513F\";\n  t[\"\\u2F0A\"] = \"\\u5165\";\n  t[\"\\u2F0B\"] = \"\\u516B\";\n  t[\"\\u2F0C\"] = \"\\u5182\";\n  t[\"\\u2F0D\"] = \"\\u5196\";\n  t[\"\\u2F0E\"] = \"\\u51AB\";\n  t[\"\\u2F0F\"] = \"\\u51E0\";\n  t[\"\\u2F10\"] = \"\\u51F5\";\n  t[\"\\u2F11\"] = \"\\u5200\";\n  t[\"\\u2F12\"] = \"\\u529B\";\n  t[\"\\u2F13\"] = \"\\u52F9\";\n  t[\"\\u2F14\"] = \"\\u5315\";\n  t[\"\\u2F15\"] = \"\\u531A\";\n  t[\"\\u2F16\"] = \"\\u5338\";\n  t[\"\\u2F17\"] = \"\\u5341\";\n  t[\"\\u2F18\"] = \"\\u535C\";\n  t[\"\\u2F19\"] = \"\\u5369\";\n  t[\"\\u2F1A\"] = \"\\u5382\";\n  t[\"\\u2F1B\"] = \"\\u53B6\";\n  t[\"\\u2F1C\"] = \"\\u53C8\";\n  t[\"\\u2F1D\"] = \"\\u53E3\";\n  t[\"\\u2F1E\"] = \"\\u56D7\";\n  t[\"\\u2F1F\"] = \"\\u571F\";\n  t[\"\\u2F20\"] = \"\\u58EB\";\n  t[\"\\u2F21\"] = \"\\u5902\";\n  t[\"\\u2F22\"] = \"\\u590A\";\n  t[\"\\u2F23\"] = \"\\u5915\";\n  t[\"\\u2F24\"] = \"\\u5927\";\n  t[\"\\u2F25\"] = \"\\u5973\";\n  t[\"\\u2F26\"] = \"\\u5B50\";\n  t[\"\\u2F27\"] = \"\\u5B80\";\n  t[\"\\u2F28\"] = \"\\u5BF8\";\n  t[\"\\u2F29\"] = \"\\u5C0F\";\n  t[\"\\u2F2A\"] = \"\\u5C22\";\n  t[\"\\u2F2B\"] = \"\\u5C38\";\n  t[\"\\u2F2C\"] = \"\\u5C6E\";\n  t[\"\\u2F2D\"] = \"\\u5C71\";\n  t[\"\\u2F2E\"] = \"\\u5DDB\";\n  t[\"\\u2F2F\"] = \"\\u5DE5\";\n  t[\"\\u2F30\"] = \"\\u5DF1\";\n  t[\"\\u2F31\"] = \"\\u5DFE\";\n  t[\"\\u2F32\"] = \"\\u5E72\";\n  t[\"\\u2F33\"] = \"\\u5E7A\";\n  t[\"\\u2F34\"] = \"\\u5E7F\";\n  t[\"\\u2F35\"] = \"\\u5EF4\";\n  t[\"\\u2F36\"] = \"\\u5EFE\";\n  t[\"\\u2F37\"] = \"\\u5F0B\";\n  t[\"\\u2F38\"] = \"\\u5F13\";\n  t[\"\\u2F39\"] = \"\\u5F50\";\n  t[\"\\u2F3A\"] = \"\\u5F61\";\n  t[\"\\u2F3B\"] = \"\\u5F73\";\n  t[\"\\u2F3C\"] = \"\\u5FC3\";\n  t[\"\\u2F3D\"] = \"\\u6208\";\n  t[\"\\u2F3E\"] = \"\\u6236\";\n  t[\"\\u2F3F\"] = \"\\u624B\";\n  t[\"\\u2F40\"] = \"\\u652F\";\n  t[\"\\u2F41\"] = \"\\u6534\";\n  t[\"\\u2F42\"] = \"\\u6587\";\n  t[\"\\u2F43\"] = \"\\u6597\";\n  t[\"\\u2F44\"] = \"\\u65A4\";\n  t[\"\\u2F45\"] = \"\\u65B9\";\n  t[\"\\u2F46\"] = \"\\u65E0\";\n  t[\"\\u2F47\"] = \"\\u65E5\";\n  t[\"\\u2F48\"] = \"\\u66F0\";\n  t[\"\\u2F49\"] = \"\\u6708\";\n  t[\"\\u2F4A\"] = \"\\u6728\";\n  t[\"\\u2F4B\"] = \"\\u6B20\";\n  t[\"\\u2F4C\"] = \"\\u6B62\";\n  t[\"\\u2F4D\"] = \"\\u6B79\";\n  t[\"\\u2F4E\"] = \"\\u6BB3\";\n  t[\"\\u2F4F\"] = \"\\u6BCB\";\n  t[\"\\u2F50\"] = \"\\u6BD4\";\n  t[\"\\u2F51\"] = \"\\u6BDB\";\n  t[\"\\u2F52\"] = \"\\u6C0F\";\n  t[\"\\u2F53\"] = \"\\u6C14\";\n  t[\"\\u2F54\"] = \"\\u6C34\";\n  t[\"\\u2F55\"] = \"\\u706B\";\n  t[\"\\u2F56\"] = \"\\u722A\";\n  t[\"\\u2F57\"] = \"\\u7236\";\n  t[\"\\u2F58\"] = \"\\u723B\";\n  t[\"\\u2F59\"] = \"\\u723F\";\n  t[\"\\u2F5A\"] = \"\\u7247\";\n  t[\"\\u2F5B\"] = \"\\u7259\";\n  t[\"\\u2F5C\"] = \"\\u725B\";\n  t[\"\\u2F5D\"] = \"\\u72AC\";\n  t[\"\\u2F5E\"] = \"\\u7384\";\n  t[\"\\u2F5F\"] = \"\\u7389\";\n  t[\"\\u2F60\"] = \"\\u74DC\";\n  t[\"\\u2F61\"] = \"\\u74E6\";\n  t[\"\\u2F62\"] = \"\\u7518\";\n  t[\"\\u2F63\"] = \"\\u751F\";\n  t[\"\\u2F64\"] = \"\\u7528\";\n  t[\"\\u2F65\"] = \"\\u7530\";\n  t[\"\\u2F66\"] = \"\\u758B\";\n  t[\"\\u2F67\"] = \"\\u7592\";\n  t[\"\\u2F68\"] = \"\\u7676\";\n  t[\"\\u2F69\"] = \"\\u767D\";\n  t[\"\\u2F6A\"] = \"\\u76AE\";\n  t[\"\\u2F6B\"] = \"\\u76BF\";\n  t[\"\\u2F6C\"] = \"\\u76EE\";\n  t[\"\\u2F6D\"] = \"\\u77DB\";\n  t[\"\\u2F6E\"] = \"\\u77E2\";\n  t[\"\\u2F6F\"] = \"\\u77F3\";\n  t[\"\\u2F70\"] = \"\\u793A\";\n  t[\"\\u2F71\"] = \"\\u79B8\";\n  t[\"\\u2F72\"] = \"\\u79BE\";\n  t[\"\\u2F73\"] = \"\\u7A74\";\n  t[\"\\u2F74\"] = \"\\u7ACB\";\n  t[\"\\u2F75\"] = \"\\u7AF9\";\n  t[\"\\u2F76\"] = \"\\u7C73\";\n  t[\"\\u2F77\"] = \"\\u7CF8\";\n  t[\"\\u2F78\"] = \"\\u7F36\";\n  t[\"\\u2F79\"] = \"\\u7F51\";\n  t[\"\\u2F7A\"] = \"\\u7F8A\";\n  t[\"\\u2F7B\"] = \"\\u7FBD\";\n  t[\"\\u2F7C\"] = \"\\u8001\";\n  t[\"\\u2F7D\"] = \"\\u800C\";\n  t[\"\\u2F7E\"] = \"\\u8012\";\n  t[\"\\u2F7F\"] = \"\\u8033\";\n  t[\"\\u2F80\"] = \"\\u807F\";\n  t[\"\\u2F81\"] = \"\\u8089\";\n  t[\"\\u2F82\"] = \"\\u81E3\";\n  t[\"\\u2F83\"] = \"\\u81EA\";\n  t[\"\\u2F84\"] = \"\\u81F3\";\n  t[\"\\u2F85\"] = \"\\u81FC\";\n  t[\"\\u2F86\"] = \"\\u820C\";\n  t[\"\\u2F87\"] = \"\\u821B\";\n  t[\"\\u2F88\"] = \"\\u821F\";\n  t[\"\\u2F89\"] = \"\\u826E\";\n  t[\"\\u2F8A\"] = \"\\u8272\";\n  t[\"\\u2F8B\"] = \"\\u8278\";\n  t[\"\\u2F8C\"] = \"\\u864D\";\n  t[\"\\u2F8D\"] = \"\\u866B\";\n  t[\"\\u2F8E\"] = \"\\u8840\";\n  t[\"\\u2F8F\"] = \"\\u884C\";\n  t[\"\\u2F90\"] = \"\\u8863\";\n  t[\"\\u2F91\"] = \"\\u897E\";\n  t[\"\\u2F92\"] = \"\\u898B\";\n  t[\"\\u2F93\"] = \"\\u89D2\";\n  t[\"\\u2F94\"] = \"\\u8A00\";\n  t[\"\\u2F95\"] = \"\\u8C37\";\n  t[\"\\u2F96\"] = \"\\u8C46\";\n  t[\"\\u2F97\"] = \"\\u8C55\";\n  t[\"\\u2F98\"] = \"\\u8C78\";\n  t[\"\\u2F99\"] = \"\\u8C9D\";\n  t[\"\\u2F9A\"] = \"\\u8D64\";\n  t[\"\\u2F9B\"] = \"\\u8D70\";\n  t[\"\\u2F9C\"] = \"\\u8DB3\";\n  t[\"\\u2F9D\"] = \"\\u8EAB\";\n  t[\"\\u2F9E\"] = \"\\u8ECA\";\n  t[\"\\u2F9F\"] = \"\\u8F9B\";\n  t[\"\\u2FA0\"] = \"\\u8FB0\";\n  t[\"\\u2FA1\"] = \"\\u8FB5\";\n  t[\"\\u2FA2\"] = \"\\u9091\";\n  t[\"\\u2FA3\"] = \"\\u9149\";\n  t[\"\\u2FA4\"] = \"\\u91C6\";\n  t[\"\\u2FA5\"] = \"\\u91CC\";\n  t[\"\\u2FA6\"] = \"\\u91D1\";\n  t[\"\\u2FA7\"] = \"\\u9577\";\n  t[\"\\u2FA8\"] = \"\\u9580\";\n  t[\"\\u2FA9\"] = \"\\u961C\";\n  t[\"\\u2FAA\"] = \"\\u96B6\";\n  t[\"\\u2FAB\"] = \"\\u96B9\";\n  t[\"\\u2FAC\"] = \"\\u96E8\";\n  t[\"\\u2FAD\"] = \"\\u9751\";\n  t[\"\\u2FAE\"] = \"\\u975E\";\n  t[\"\\u2FAF\"] = \"\\u9762\";\n  t[\"\\u2FB0\"] = \"\\u9769\";\n  t[\"\\u2FB1\"] = \"\\u97CB\";\n  t[\"\\u2FB2\"] = \"\\u97ED\";\n  t[\"\\u2FB3\"] = \"\\u97F3\";\n  t[\"\\u2FB4\"] = \"\\u9801\";\n  t[\"\\u2FB5\"] = \"\\u98A8\";\n  t[\"\\u2FB6\"] = \"\\u98DB\";\n  t[\"\\u2FB7\"] = \"\\u98DF\";\n  t[\"\\u2FB8\"] = \"\\u9996\";\n  t[\"\\u2FB9\"] = \"\\u9999\";\n  t[\"\\u2FBA\"] = \"\\u99AC\";\n  t[\"\\u2FBB\"] = \"\\u9AA8\";\n  t[\"\\u2FBC\"] = \"\\u9AD8\";\n  t[\"\\u2FBD\"] = \"\\u9ADF\";\n  t[\"\\u2FBE\"] = \"\\u9B25\";\n  t[\"\\u2FBF\"] = \"\\u9B2F\";\n  t[\"\\u2FC0\"] = \"\\u9B32\";\n  t[\"\\u2FC1\"] = \"\\u9B3C\";\n  t[\"\\u2FC2\"] = \"\\u9B5A\";\n  t[\"\\u2FC3\"] = \"\\u9CE5\";\n  t[\"\\u2FC4\"] = \"\\u9E75\";\n  t[\"\\u2FC5\"] = \"\\u9E7F\";\n  t[\"\\u2FC6\"] = \"\\u9EA5\";\n  t[\"\\u2FC7\"] = \"\\u9EBB\";\n  t[\"\\u2FC8\"] = \"\\u9EC3\";\n  t[\"\\u2FC9\"] = \"\\u9ECD\";\n  t[\"\\u2FCA\"] = \"\\u9ED1\";\n  t[\"\\u2FCB\"] = \"\\u9EF9\";\n  t[\"\\u2FCC\"] = \"\\u9EFD\";\n  t[\"\\u2FCD\"] = \"\\u9F0E\";\n  t[\"\\u2FCE\"] = \"\\u9F13\";\n  t[\"\\u2FCF\"] = \"\\u9F20\";\n  t[\"\\u2FD0\"] = \"\\u9F3B\";\n  t[\"\\u2FD1\"] = \"\\u9F4A\";\n  t[\"\\u2FD2\"] = \"\\u9F52\";\n  t[\"\\u2FD3\"] = \"\\u9F8D\";\n  t[\"\\u2FD4\"] = \"\\u9F9C\";\n  t[\"\\u2FD5\"] = \"\\u9FA0\";\n  t[\"\\u3036\"] = \"\\u3012\";\n  t[\"\\u3038\"] = \"\\u5341\";\n  t[\"\\u3039\"] = \"\\u5344\";\n  t[\"\\u303A\"] = \"\\u5345\";\n  t[\"\\u309B\"] = \"\\u0020\\u3099\";\n  t[\"\\u309C\"] = \"\\u0020\\u309A\";\n  t[\"\\u3131\"] = \"\\u1100\";\n  t[\"\\u3132\"] = \"\\u1101\";\n  t[\"\\u3133\"] = \"\\u11AA\";\n  t[\"\\u3134\"] = \"\\u1102\";\n  t[\"\\u3135\"] = \"\\u11AC\";\n  t[\"\\u3136\"] = \"\\u11AD\";\n  t[\"\\u3137\"] = \"\\u1103\";\n  t[\"\\u3138\"] = \"\\u1104\";\n  t[\"\\u3139\"] = \"\\u1105\";\n  t[\"\\u313A\"] = \"\\u11B0\";\n  t[\"\\u313B\"] = \"\\u11B1\";\n  t[\"\\u313C\"] = \"\\u11B2\";\n  t[\"\\u313D\"] = \"\\u11B3\";\n  t[\"\\u313E\"] = \"\\u11B4\";\n  t[\"\\u313F\"] = \"\\u11B5\";\n  t[\"\\u3140\"] = \"\\u111A\";\n  t[\"\\u3141\"] = \"\\u1106\";\n  t[\"\\u3142\"] = \"\\u1107\";\n  t[\"\\u3143\"] = \"\\u1108\";\n  t[\"\\u3144\"] = \"\\u1121\";\n  t[\"\\u3145\"] = \"\\u1109\";\n  t[\"\\u3146\"] = \"\\u110A\";\n  t[\"\\u3147\"] = \"\\u110B\";\n  t[\"\\u3148\"] = \"\\u110C\";\n  t[\"\\u3149\"] = \"\\u110D\";\n  t[\"\\u314A\"] = \"\\u110E\";\n  t[\"\\u314B\"] = \"\\u110F\";\n  t[\"\\u314C\"] = \"\\u1110\";\n  t[\"\\u314D\"] = \"\\u1111\";\n  t[\"\\u314E\"] = \"\\u1112\";\n  t[\"\\u314F\"] = \"\\u1161\";\n  t[\"\\u3150\"] = \"\\u1162\";\n  t[\"\\u3151\"] = \"\\u1163\";\n  t[\"\\u3152\"] = \"\\u1164\";\n  t[\"\\u3153\"] = \"\\u1165\";\n  t[\"\\u3154\"] = \"\\u1166\";\n  t[\"\\u3155\"] = \"\\u1167\";\n  t[\"\\u3156\"] = \"\\u1168\";\n  t[\"\\u3157\"] = \"\\u1169\";\n  t[\"\\u3158\"] = \"\\u116A\";\n  t[\"\\u3159\"] = \"\\u116B\";\n  t[\"\\u315A\"] = \"\\u116C\";\n  t[\"\\u315B\"] = \"\\u116D\";\n  t[\"\\u315C\"] = \"\\u116E\";\n  t[\"\\u315D\"] = \"\\u116F\";\n  t[\"\\u315E\"] = \"\\u1170\";\n  t[\"\\u315F\"] = \"\\u1171\";\n  t[\"\\u3160\"] = \"\\u1172\";\n  t[\"\\u3161\"] = \"\\u1173\";\n  t[\"\\u3162\"] = \"\\u1174\";\n  t[\"\\u3163\"] = \"\\u1175\";\n  t[\"\\u3164\"] = \"\\u1160\";\n  t[\"\\u3165\"] = \"\\u1114\";\n  t[\"\\u3166\"] = \"\\u1115\";\n  t[\"\\u3167\"] = \"\\u11C7\";\n  t[\"\\u3168\"] = \"\\u11C8\";\n  t[\"\\u3169\"] = \"\\u11CC\";\n  t[\"\\u316A\"] = \"\\u11CE\";\n  t[\"\\u316B\"] = \"\\u11D3\";\n  t[\"\\u316C\"] = \"\\u11D7\";\n  t[\"\\u316D\"] = \"\\u11D9\";\n  t[\"\\u316E\"] = \"\\u111C\";\n  t[\"\\u316F\"] = \"\\u11DD\";\n  t[\"\\u3170\"] = \"\\u11DF\";\n  t[\"\\u3171\"] = \"\\u111D\";\n  t[\"\\u3172\"] = \"\\u111E\";\n  t[\"\\u3173\"] = \"\\u1120\";\n  t[\"\\u3174\"] = \"\\u1122\";\n  t[\"\\u3175\"] = \"\\u1123\";\n  t[\"\\u3176\"] = \"\\u1127\";\n  t[\"\\u3177\"] = \"\\u1129\";\n  t[\"\\u3178\"] = \"\\u112B\";\n  t[\"\\u3179\"] = \"\\u112C\";\n  t[\"\\u317A\"] = \"\\u112D\";\n  t[\"\\u317B\"] = \"\\u112E\";\n  t[\"\\u317C\"] = \"\\u112F\";\n  t[\"\\u317D\"] = \"\\u1132\";\n  t[\"\\u317E\"] = \"\\u1136\";\n  t[\"\\u317F\"] = \"\\u1140\";\n  t[\"\\u3180\"] = \"\\u1147\";\n  t[\"\\u3181\"] = \"\\u114C\";\n  t[\"\\u3182\"] = \"\\u11F1\";\n  t[\"\\u3183\"] = \"\\u11F2\";\n  t[\"\\u3184\"] = \"\\u1157\";\n  t[\"\\u3185\"] = \"\\u1158\";\n  t[\"\\u3186\"] = \"\\u1159\";\n  t[\"\\u3187\"] = \"\\u1184\";\n  t[\"\\u3188\"] = \"\\u1185\";\n  t[\"\\u3189\"] = \"\\u1188\";\n  t[\"\\u318A\"] = \"\\u1191\";\n  t[\"\\u318B\"] = \"\\u1192\";\n  t[\"\\u318C\"] = \"\\u1194\";\n  t[\"\\u318D\"] = \"\\u119E\";\n  t[\"\\u318E\"] = \"\\u11A1\";\n  t[\"\\u3200\"] = \"\\u0028\\u1100\\u0029\";\n  t[\"\\u3201\"] = \"\\u0028\\u1102\\u0029\";\n  t[\"\\u3202\"] = \"\\u0028\\u1103\\u0029\";\n  t[\"\\u3203\"] = \"\\u0028\\u1105\\u0029\";\n  t[\"\\u3204\"] = \"\\u0028\\u1106\\u0029\";\n  t[\"\\u3205\"] = \"\\u0028\\u1107\\u0029\";\n  t[\"\\u3206\"] = \"\\u0028\\u1109\\u0029\";\n  t[\"\\u3207\"] = \"\\u0028\\u110B\\u0029\";\n  t[\"\\u3208\"] = \"\\u0028\\u110C\\u0029\";\n  t[\"\\u3209\"] = \"\\u0028\\u110E\\u0029\";\n  t[\"\\u320A\"] = \"\\u0028\\u110F\\u0029\";\n  t[\"\\u320B\"] = \"\\u0028\\u1110\\u0029\";\n  t[\"\\u320C\"] = \"\\u0028\\u1111\\u0029\";\n  t[\"\\u320D\"] = \"\\u0028\\u1112\\u0029\";\n  t[\"\\u320E\"] = \"\\u0028\\u1100\\u1161\\u0029\";\n  t[\"\\u320F\"] = \"\\u0028\\u1102\\u1161\\u0029\";\n  t[\"\\u3210\"] = \"\\u0028\\u1103\\u1161\\u0029\";\n  t[\"\\u3211\"] = \"\\u0028\\u1105\\u1161\\u0029\";\n  t[\"\\u3212\"] = \"\\u0028\\u1106\\u1161\\u0029\";\n  t[\"\\u3213\"] = \"\\u0028\\u1107\\u1161\\u0029\";\n  t[\"\\u3214\"] = \"\\u0028\\u1109\\u1161\\u0029\";\n  t[\"\\u3215\"] = \"\\u0028\\u110B\\u1161\\u0029\";\n  t[\"\\u3216\"] = \"\\u0028\\u110C\\u1161\\u0029\";\n  t[\"\\u3217\"] = \"\\u0028\\u110E\\u1161\\u0029\";\n  t[\"\\u3218\"] = \"\\u0028\\u110F\\u1161\\u0029\";\n  t[\"\\u3219\"] = \"\\u0028\\u1110\\u1161\\u0029\";\n  t[\"\\u321A\"] = \"\\u0028\\u1111\\u1161\\u0029\";\n  t[\"\\u321B\"] = \"\\u0028\\u1112\\u1161\\u0029\";\n  t[\"\\u321C\"] = \"\\u0028\\u110C\\u116E\\u0029\";\n  t[\"\\u321D\"] = \"\\u0028\\u110B\\u1169\\u110C\\u1165\\u11AB\\u0029\";\n  t[\"\\u321E\"] = \"\\u0028\\u110B\\u1169\\u1112\\u116E\\u0029\";\n  t[\"\\u3220\"] = \"\\u0028\\u4E00\\u0029\";\n  t[\"\\u3221\"] = \"\\u0028\\u4E8C\\u0029\";\n  t[\"\\u3222\"] = \"\\u0028\\u4E09\\u0029\";\n  t[\"\\u3223\"] = \"\\u0028\\u56DB\\u0029\";\n  t[\"\\u3224\"] = \"\\u0028\\u4E94\\u0029\";\n  t[\"\\u3225\"] = \"\\u0028\\u516D\\u0029\";\n  t[\"\\u3226\"] = \"\\u0028\\u4E03\\u0029\";\n  t[\"\\u3227\"] = \"\\u0028\\u516B\\u0029\";\n  t[\"\\u3228\"] = \"\\u0028\\u4E5D\\u0029\";\n  t[\"\\u3229\"] = \"\\u0028\\u5341\\u0029\";\n  t[\"\\u322A\"] = \"\\u0028\\u6708\\u0029\";\n  t[\"\\u322B\"] = \"\\u0028\\u706B\\u0029\";\n  t[\"\\u322C\"] = \"\\u0028\\u6C34\\u0029\";\n  t[\"\\u322D\"] = \"\\u0028\\u6728\\u0029\";\n  t[\"\\u322E\"] = \"\\u0028\\u91D1\\u0029\";\n  t[\"\\u322F\"] = \"\\u0028\\u571F\\u0029\";\n  t[\"\\u3230\"] = \"\\u0028\\u65E5\\u0029\";\n  t[\"\\u3231\"] = \"\\u0028\\u682A\\u0029\";\n  t[\"\\u3232\"] = \"\\u0028\\u6709\\u0029\";\n  t[\"\\u3233\"] = \"\\u0028\\u793E\\u0029\";\n  t[\"\\u3234\"] = \"\\u0028\\u540D\\u0029\";\n  t[\"\\u3235\"] = \"\\u0028\\u7279\\u0029\";\n  t[\"\\u3236\"] = \"\\u0028\\u8CA1\\u0029\";\n  t[\"\\u3237\"] = \"\\u0028\\u795D\\u0029\";\n  t[\"\\u3238\"] = \"\\u0028\\u52B4\\u0029\";\n  t[\"\\u3239\"] = \"\\u0028\\u4EE3\\u0029\";\n  t[\"\\u323A\"] = \"\\u0028\\u547C\\u0029\";\n  t[\"\\u323B\"] = \"\\u0028\\u5B66\\u0029\";\n  t[\"\\u323C\"] = \"\\u0028\\u76E3\\u0029\";\n  t[\"\\u323D\"] = \"\\u0028\\u4F01\\u0029\";\n  t[\"\\u323E\"] = \"\\u0028\\u8CC7\\u0029\";\n  t[\"\\u323F\"] = \"\\u0028\\u5354\\u0029\";\n  t[\"\\u3240\"] = \"\\u0028\\u796D\\u0029\";\n  t[\"\\u3241\"] = \"\\u0028\\u4F11\\u0029\";\n  t[\"\\u3242\"] = \"\\u0028\\u81EA\\u0029\";\n  t[\"\\u3243\"] = \"\\u0028\\u81F3\\u0029\";\n  t[\"\\u32C0\"] = \"\\u0031\\u6708\";\n  t[\"\\u32C1\"] = \"\\u0032\\u6708\";\n  t[\"\\u32C2\"] = \"\\u0033\\u6708\";\n  t[\"\\u32C3\"] = \"\\u0034\\u6708\";\n  t[\"\\u32C4\"] = \"\\u0035\\u6708\";\n  t[\"\\u32C5\"] = \"\\u0036\\u6708\";\n  t[\"\\u32C6\"] = \"\\u0037\\u6708\";\n  t[\"\\u32C7\"] = \"\\u0038\\u6708\";\n  t[\"\\u32C8\"] = \"\\u0039\\u6708\";\n  t[\"\\u32C9\"] = \"\\u0031\\u0030\\u6708\";\n  t[\"\\u32CA\"] = \"\\u0031\\u0031\\u6708\";\n  t[\"\\u32CB\"] = \"\\u0031\\u0032\\u6708\";\n  t[\"\\u3358\"] = \"\\u0030\\u70B9\";\n  t[\"\\u3359\"] = \"\\u0031\\u70B9\";\n  t[\"\\u335A\"] = \"\\u0032\\u70B9\";\n  t[\"\\u335B\"] = \"\\u0033\\u70B9\";\n  t[\"\\u335C\"] = \"\\u0034\\u70B9\";\n  t[\"\\u335D\"] = \"\\u0035\\u70B9\";\n  t[\"\\u335E\"] = \"\\u0036\\u70B9\";\n  t[\"\\u335F\"] = \"\\u0037\\u70B9\";\n  t[\"\\u3360\"] = \"\\u0038\\u70B9\";\n  t[\"\\u3361\"] = \"\\u0039\\u70B9\";\n  t[\"\\u3362\"] = \"\\u0031\\u0030\\u70B9\";\n  t[\"\\u3363\"] = \"\\u0031\\u0031\\u70B9\";\n  t[\"\\u3364\"] = \"\\u0031\\u0032\\u70B9\";\n  t[\"\\u3365\"] = \"\\u0031\\u0033\\u70B9\";\n  t[\"\\u3366\"] = \"\\u0031\\u0034\\u70B9\";\n  t[\"\\u3367\"] = \"\\u0031\\u0035\\u70B9\";\n  t[\"\\u3368\"] = \"\\u0031\\u0036\\u70B9\";\n  t[\"\\u3369\"] = \"\\u0031\\u0037\\u70B9\";\n  t[\"\\u336A\"] = \"\\u0031\\u0038\\u70B9\";\n  t[\"\\u336B\"] = \"\\u0031\\u0039\\u70B9\";\n  t[\"\\u336C\"] = \"\\u0032\\u0030\\u70B9\";\n  t[\"\\u336D\"] = \"\\u0032\\u0031\\u70B9\";\n  t[\"\\u336E\"] = \"\\u0032\\u0032\\u70B9\";\n  t[\"\\u336F\"] = \"\\u0032\\u0033\\u70B9\";\n  t[\"\\u3370\"] = \"\\u0032\\u0034\\u70B9\";\n  t[\"\\u33E0\"] = \"\\u0031\\u65E5\";\n  t[\"\\u33E1\"] = \"\\u0032\\u65E5\";\n  t[\"\\u33E2\"] = \"\\u0033\\u65E5\";\n  t[\"\\u33E3\"] = \"\\u0034\\u65E5\";\n  t[\"\\u33E4\"] = \"\\u0035\\u65E5\";\n  t[\"\\u33E5\"] = \"\\u0036\\u65E5\";\n  t[\"\\u33E6\"] = \"\\u0037\\u65E5\";\n  t[\"\\u33E7\"] = \"\\u0038\\u65E5\";\n  t[\"\\u33E8\"] = \"\\u0039\\u65E5\";\n  t[\"\\u33E9\"] = \"\\u0031\\u0030\\u65E5\";\n  t[\"\\u33EA\"] = \"\\u0031\\u0031\\u65E5\";\n  t[\"\\u33EB\"] = \"\\u0031\\u0032\\u65E5\";\n  t[\"\\u33EC\"] = \"\\u0031\\u0033\\u65E5\";\n  t[\"\\u33ED\"] = \"\\u0031\\u0034\\u65E5\";\n  t[\"\\u33EE\"] = \"\\u0031\\u0035\\u65E5\";\n  t[\"\\u33EF\"] = \"\\u0031\\u0036\\u65E5\";\n  t[\"\\u33F0\"] = \"\\u0031\\u0037\\u65E5\";\n  t[\"\\u33F1\"] = \"\\u0031\\u0038\\u65E5\";\n  t[\"\\u33F2\"] = \"\\u0031\\u0039\\u65E5\";\n  t[\"\\u33F3\"] = \"\\u0032\\u0030\\u65E5\";\n  t[\"\\u33F4\"] = \"\\u0032\\u0031\\u65E5\";\n  t[\"\\u33F5\"] = \"\\u0032\\u0032\\u65E5\";\n  t[\"\\u33F6\"] = \"\\u0032\\u0033\\u65E5\";\n  t[\"\\u33F7\"] = \"\\u0032\\u0034\\u65E5\";\n  t[\"\\u33F8\"] = \"\\u0032\\u0035\\u65E5\";\n  t[\"\\u33F9\"] = \"\\u0032\\u0036\\u65E5\";\n  t[\"\\u33FA\"] = \"\\u0032\\u0037\\u65E5\";\n  t[\"\\u33FB\"] = \"\\u0032\\u0038\\u65E5\";\n  t[\"\\u33FC\"] = \"\\u0032\\u0039\\u65E5\";\n  t[\"\\u33FD\"] = \"\\u0033\\u0030\\u65E5\";\n  t[\"\\u33FE\"] = \"\\u0033\\u0031\\u65E5\";\n  t[\"\\uFB00\"] = \"\\u0066\\u0066\";\n  t[\"\\uFB01\"] = \"\\u0066\\u0069\";\n  t[\"\\uFB02\"] = \"\\u0066\\u006C\";\n  t[\"\\uFB03\"] = \"\\u0066\\u0066\\u0069\";\n  t[\"\\uFB04\"] = \"\\u0066\\u0066\\u006C\";\n  t[\"\\uFB05\"] = \"\\u017F\\u0074\";\n  t[\"\\uFB06\"] = \"\\u0073\\u0074\";\n  t[\"\\uFB13\"] = \"\\u0574\\u0576\";\n  t[\"\\uFB14\"] = \"\\u0574\\u0565\";\n  t[\"\\uFB15\"] = \"\\u0574\\u056B\";\n  t[\"\\uFB16\"] = \"\\u057E\\u0576\";\n  t[\"\\uFB17\"] = \"\\u0574\\u056D\";\n  t[\"\\uFB4F\"] = \"\\u05D0\\u05DC\";\n  t[\"\\uFB50\"] = \"\\u0671\";\n  t[\"\\uFB51\"] = \"\\u0671\";\n  t[\"\\uFB52\"] = \"\\u067B\";\n  t[\"\\uFB53\"] = \"\\u067B\";\n  t[\"\\uFB54\"] = \"\\u067B\";\n  t[\"\\uFB55\"] = \"\\u067B\";\n  t[\"\\uFB56\"] = \"\\u067E\";\n  t[\"\\uFB57\"] = \"\\u067E\";\n  t[\"\\uFB58\"] = \"\\u067E\";\n  t[\"\\uFB59\"] = \"\\u067E\";\n  t[\"\\uFB5A\"] = \"\\u0680\";\n  t[\"\\uFB5B\"] = \"\\u0680\";\n  t[\"\\uFB5C\"] = \"\\u0680\";\n  t[\"\\uFB5D\"] = \"\\u0680\";\n  t[\"\\uFB5E\"] = \"\\u067A\";\n  t[\"\\uFB5F\"] = \"\\u067A\";\n  t[\"\\uFB60\"] = \"\\u067A\";\n  t[\"\\uFB61\"] = \"\\u067A\";\n  t[\"\\uFB62\"] = \"\\u067F\";\n  t[\"\\uFB63\"] = \"\\u067F\";\n  t[\"\\uFB64\"] = \"\\u067F\";\n  t[\"\\uFB65\"] = \"\\u067F\";\n  t[\"\\uFB66\"] = \"\\u0679\";\n  t[\"\\uFB67\"] = \"\\u0679\";\n  t[\"\\uFB68\"] = \"\\u0679\";\n  t[\"\\uFB69\"] = \"\\u0679\";\n  t[\"\\uFB6A\"] = \"\\u06A4\";\n  t[\"\\uFB6B\"] = \"\\u06A4\";\n  t[\"\\uFB6C\"] = \"\\u06A4\";\n  t[\"\\uFB6D\"] = \"\\u06A4\";\n  t[\"\\uFB6E\"] = \"\\u06A6\";\n  t[\"\\uFB6F\"] = \"\\u06A6\";\n  t[\"\\uFB70\"] = \"\\u06A6\";\n  t[\"\\uFB71\"] = \"\\u06A6\";\n  t[\"\\uFB72\"] = \"\\u0684\";\n  t[\"\\uFB73\"] = \"\\u0684\";\n  t[\"\\uFB74\"] = \"\\u0684\";\n  t[\"\\uFB75\"] = \"\\u0684\";\n  t[\"\\uFB76\"] = \"\\u0683\";\n  t[\"\\uFB77\"] = \"\\u0683\";\n  t[\"\\uFB78\"] = \"\\u0683\";\n  t[\"\\uFB79\"] = \"\\u0683\";\n  t[\"\\uFB7A\"] = \"\\u0686\";\n  t[\"\\uFB7B\"] = \"\\u0686\";\n  t[\"\\uFB7C\"] = \"\\u0686\";\n  t[\"\\uFB7D\"] = \"\\u0686\";\n  t[\"\\uFB7E\"] = \"\\u0687\";\n  t[\"\\uFB7F\"] = \"\\u0687\";\n  t[\"\\uFB80\"] = \"\\u0687\";\n  t[\"\\uFB81\"] = \"\\u0687\";\n  t[\"\\uFB82\"] = \"\\u068D\";\n  t[\"\\uFB83\"] = \"\\u068D\";\n  t[\"\\uFB84\"] = \"\\u068C\";\n  t[\"\\uFB85\"] = \"\\u068C\";\n  t[\"\\uFB86\"] = \"\\u068E\";\n  t[\"\\uFB87\"] = \"\\u068E\";\n  t[\"\\uFB88\"] = \"\\u0688\";\n  t[\"\\uFB89\"] = \"\\u0688\";\n  t[\"\\uFB8A\"] = \"\\u0698\";\n  t[\"\\uFB8B\"] = \"\\u0698\";\n  t[\"\\uFB8C\"] = \"\\u0691\";\n  t[\"\\uFB8D\"] = \"\\u0691\";\n  t[\"\\uFB8E\"] = \"\\u06A9\";\n  t[\"\\uFB8F\"] = \"\\u06A9\";\n  t[\"\\uFB90\"] = \"\\u06A9\";\n  t[\"\\uFB91\"] = \"\\u06A9\";\n  t[\"\\uFB92\"] = \"\\u06AF\";\n  t[\"\\uFB93\"] = \"\\u06AF\";\n  t[\"\\uFB94\"] = \"\\u06AF\";\n  t[\"\\uFB95\"] = \"\\u06AF\";\n  t[\"\\uFB96\"] = \"\\u06B3\";\n  t[\"\\uFB97\"] = \"\\u06B3\";\n  t[\"\\uFB98\"] = \"\\u06B3\";\n  t[\"\\uFB99\"] = \"\\u06B3\";\n  t[\"\\uFB9A\"] = \"\\u06B1\";\n  t[\"\\uFB9B\"] = \"\\u06B1\";\n  t[\"\\uFB9C\"] = \"\\u06B1\";\n  t[\"\\uFB9D\"] = \"\\u06B1\";\n  t[\"\\uFB9E\"] = \"\\u06BA\";\n  t[\"\\uFB9F\"] = \"\\u06BA\";\n  t[\"\\uFBA0\"] = \"\\u06BB\";\n  t[\"\\uFBA1\"] = \"\\u06BB\";\n  t[\"\\uFBA2\"] = \"\\u06BB\";\n  t[\"\\uFBA3\"] = \"\\u06BB\";\n  t[\"\\uFBA4\"] = \"\\u06C0\";\n  t[\"\\uFBA5\"] = \"\\u06C0\";\n  t[\"\\uFBA6\"] = \"\\u06C1\";\n  t[\"\\uFBA7\"] = \"\\u06C1\";\n  t[\"\\uFBA8\"] = \"\\u06C1\";\n  t[\"\\uFBA9\"] = \"\\u06C1\";\n  t[\"\\uFBAA\"] = \"\\u06BE\";\n  t[\"\\uFBAB\"] = \"\\u06BE\";\n  t[\"\\uFBAC\"] = \"\\u06BE\";\n  t[\"\\uFBAD\"] = \"\\u06BE\";\n  t[\"\\uFBAE\"] = \"\\u06D2\";\n  t[\"\\uFBAF\"] = \"\\u06D2\";\n  t[\"\\uFBB0\"] = \"\\u06D3\";\n  t[\"\\uFBB1\"] = \"\\u06D3\";\n  t[\"\\uFBD3\"] = \"\\u06AD\";\n  t[\"\\uFBD4\"] = \"\\u06AD\";\n  t[\"\\uFBD5\"] = \"\\u06AD\";\n  t[\"\\uFBD6\"] = \"\\u06AD\";\n  t[\"\\uFBD7\"] = \"\\u06C7\";\n  t[\"\\uFBD8\"] = \"\\u06C7\";\n  t[\"\\uFBD9\"] = \"\\u06C6\";\n  t[\"\\uFBDA\"] = \"\\u06C6\";\n  t[\"\\uFBDB\"] = \"\\u06C8\";\n  t[\"\\uFBDC\"] = \"\\u06C8\";\n  t[\"\\uFBDD\"] = \"\\u0677\";\n  t[\"\\uFBDE\"] = \"\\u06CB\";\n  t[\"\\uFBDF\"] = \"\\u06CB\";\n  t[\"\\uFBE0\"] = \"\\u06C5\";\n  t[\"\\uFBE1\"] = \"\\u06C5\";\n  t[\"\\uFBE2\"] = \"\\u06C9\";\n  t[\"\\uFBE3\"] = \"\\u06C9\";\n  t[\"\\uFBE4\"] = \"\\u06D0\";\n  t[\"\\uFBE5\"] = \"\\u06D0\";\n  t[\"\\uFBE6\"] = \"\\u06D0\";\n  t[\"\\uFBE7\"] = \"\\u06D0\";\n  t[\"\\uFBE8\"] = \"\\u0649\";\n  t[\"\\uFBE9\"] = \"\\u0649\";\n  t[\"\\uFBEA\"] = \"\\u0626\\u0627\";\n  t[\"\\uFBEB\"] = \"\\u0626\\u0627\";\n  t[\"\\uFBEC\"] = \"\\u0626\\u06D5\";\n  t[\"\\uFBED\"] = \"\\u0626\\u06D5\";\n  t[\"\\uFBEE\"] = \"\\u0626\\u0648\";\n  t[\"\\uFBEF\"] = \"\\u0626\\u0648\";\n  t[\"\\uFBF0\"] = \"\\u0626\\u06C7\";\n  t[\"\\uFBF1\"] = \"\\u0626\\u06C7\";\n  t[\"\\uFBF2\"] = \"\\u0626\\u06C6\";\n  t[\"\\uFBF3\"] = \"\\u0626\\u06C6\";\n  t[\"\\uFBF4\"] = \"\\u0626\\u06C8\";\n  t[\"\\uFBF5\"] = \"\\u0626\\u06C8\";\n  t[\"\\uFBF6\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF7\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF8\"] = \"\\u0626\\u06D0\";\n  t[\"\\uFBF9\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFA\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFB\"] = \"\\u0626\\u0649\";\n  t[\"\\uFBFC\"] = \"\\u06CC\";\n  t[\"\\uFBFD\"] = \"\\u06CC\";\n  t[\"\\uFBFE\"] = \"\\u06CC\";\n  t[\"\\uFBFF\"] = \"\\u06CC\";\n  t[\"\\uFC00\"] = \"\\u0626\\u062C\";\n  t[\"\\uFC01\"] = \"\\u0626\\u062D\";\n  t[\"\\uFC02\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC03\"] = \"\\u0626\\u0649\";\n  t[\"\\uFC04\"] = \"\\u0626\\u064A\";\n  t[\"\\uFC05\"] = \"\\u0628\\u062C\";\n  t[\"\\uFC06\"] = \"\\u0628\\u062D\";\n  t[\"\\uFC07\"] = \"\\u0628\\u062E\";\n  t[\"\\uFC08\"] = \"\\u0628\\u0645\";\n  t[\"\\uFC09\"] = \"\\u0628\\u0649\";\n  t[\"\\uFC0A\"] = \"\\u0628\\u064A\";\n  t[\"\\uFC0B\"] = \"\\u062A\\u062C\";\n  t[\"\\uFC0C\"] = \"\\u062A\\u062D\";\n  t[\"\\uFC0D\"] = \"\\u062A\\u062E\";\n  t[\"\\uFC0E\"] = \"\\u062A\\u0645\";\n  t[\"\\uFC0F\"] = \"\\u062A\\u0649\";\n  t[\"\\uFC10\"] = \"\\u062A\\u064A\";\n  t[\"\\uFC11\"] = \"\\u062B\\u062C\";\n  t[\"\\uFC12\"] = \"\\u062B\\u0645\";\n  t[\"\\uFC13\"] = \"\\u062B\\u0649\";\n  t[\"\\uFC14\"] = \"\\u062B\\u064A\";\n  t[\"\\uFC15\"] = \"\\u062C\\u062D\";\n  t[\"\\uFC16\"] = \"\\u062C\\u0645\";\n  t[\"\\uFC17\"] = \"\\u062D\\u062C\";\n  t[\"\\uFC18\"] = \"\\u062D\\u0645\";\n  t[\"\\uFC19\"] = \"\\u062E\\u062C\";\n  t[\"\\uFC1A\"] = \"\\u062E\\u062D\";\n  t[\"\\uFC1B\"] = \"\\u062E\\u0645\";\n  t[\"\\uFC1C\"] = \"\\u0633\\u062C\";\n  t[\"\\uFC1D\"] = \"\\u0633\\u062D\";\n  t[\"\\uFC1E\"] = \"\\u0633\\u062E\";\n  t[\"\\uFC1F\"] = \"\\u0633\\u0645\";\n  t[\"\\uFC20\"] = \"\\u0635\\u062D\";\n  t[\"\\uFC21\"] = \"\\u0635\\u0645\";\n  t[\"\\uFC22\"] = \"\\u0636\\u062C\";\n  t[\"\\uFC23\"] = \"\\u0636\\u062D\";\n  t[\"\\uFC24\"] = \"\\u0636\\u062E\";\n  t[\"\\uFC25\"] = \"\\u0636\\u0645\";\n  t[\"\\uFC26\"] = \"\\u0637\\u062D\";\n  t[\"\\uFC27\"] = \"\\u0637\\u0645\";\n  t[\"\\uFC28\"] = \"\\u0638\\u0645\";\n  t[\"\\uFC29\"] = \"\\u0639\\u062C\";\n  t[\"\\uFC2A\"] = \"\\u0639\\u0645\";\n  t[\"\\uFC2B\"] = \"\\u063A\\u062C\";\n  t[\"\\uFC2C\"] = \"\\u063A\\u0645\";\n  t[\"\\uFC2D\"] = \"\\u0641\\u062C\";\n  t[\"\\uFC2E\"] = \"\\u0641\\u062D\";\n  t[\"\\uFC2F\"] = \"\\u0641\\u062E\";\n  t[\"\\uFC30\"] = \"\\u0641\\u0645\";\n  t[\"\\uFC31\"] = \"\\u0641\\u0649\";\n  t[\"\\uFC32\"] = \"\\u0641\\u064A\";\n  t[\"\\uFC33\"] = \"\\u0642\\u062D\";\n  t[\"\\uFC34\"] = \"\\u0642\\u0645\";\n  t[\"\\uFC35\"] = \"\\u0642\\u0649\";\n  t[\"\\uFC36\"] = \"\\u0642\\u064A\";\n  t[\"\\uFC37\"] = \"\\u0643\\u0627\";\n  t[\"\\uFC38\"] = \"\\u0643\\u062C\";\n  t[\"\\uFC39\"] = \"\\u0643\\u062D\";\n  t[\"\\uFC3A\"] = \"\\u0643\\u062E\";\n  t[\"\\uFC3B\"] = \"\\u0643\\u0644\";\n  t[\"\\uFC3C\"] = \"\\u0643\\u0645\";\n  t[\"\\uFC3D\"] = \"\\u0643\\u0649\";\n  t[\"\\uFC3E\"] = \"\\u0643\\u064A\";\n  t[\"\\uFC3F\"] = \"\\u0644\\u062C\";\n  t[\"\\uFC40\"] = \"\\u0644\\u062D\";\n  t[\"\\uFC41\"] = \"\\u0644\\u062E\";\n  t[\"\\uFC42\"] = \"\\u0644\\u0645\";\n  t[\"\\uFC43\"] = \"\\u0644\\u0649\";\n  t[\"\\uFC44\"] = \"\\u0644\\u064A\";\n  t[\"\\uFC45\"] = \"\\u0645\\u062C\";\n  t[\"\\uFC46\"] = \"\\u0645\\u062D\";\n  t[\"\\uFC47\"] = \"\\u0645\\u062E\";\n  t[\"\\uFC48\"] = \"\\u0645\\u0645\";\n  t[\"\\uFC49\"] = \"\\u0645\\u0649\";\n  t[\"\\uFC4A\"] = \"\\u0645\\u064A\";\n  t[\"\\uFC4B\"] = \"\\u0646\\u062C\";\n  t[\"\\uFC4C\"] = \"\\u0646\\u062D\";\n  t[\"\\uFC4D\"] = \"\\u0646\\u062E\";\n  t[\"\\uFC4E\"] = \"\\u0646\\u0645\";\n  t[\"\\uFC4F\"] = \"\\u0646\\u0649\";\n  t[\"\\uFC50\"] = \"\\u0646\\u064A\";\n  t[\"\\uFC51\"] = \"\\u0647\\u062C\";\n  t[\"\\uFC52\"] = \"\\u0647\\u0645\";\n  t[\"\\uFC53\"] = \"\\u0647\\u0649\";\n  t[\"\\uFC54\"] = \"\\u0647\\u064A\";\n  t[\"\\uFC55\"] = \"\\u064A\\u062C\";\n  t[\"\\uFC56\"] = \"\\u064A\\u062D\";\n  t[\"\\uFC57\"] = \"\\u064A\\u062E\";\n  t[\"\\uFC58\"] = \"\\u064A\\u0645\";\n  t[\"\\uFC59\"] = \"\\u064A\\u0649\";\n  t[\"\\uFC5A\"] = \"\\u064A\\u064A\";\n  t[\"\\uFC5B\"] = \"\\u0630\\u0670\";\n  t[\"\\uFC5C\"] = \"\\u0631\\u0670\";\n  t[\"\\uFC5D\"] = \"\\u0649\\u0670\";\n  t[\"\\uFC5E\"] = \"\\u0020\\u064C\\u0651\";\n  t[\"\\uFC5F\"] = \"\\u0020\\u064D\\u0651\";\n  t[\"\\uFC60\"] = \"\\u0020\\u064E\\u0651\";\n  t[\"\\uFC61\"] = \"\\u0020\\u064F\\u0651\";\n  t[\"\\uFC62\"] = \"\\u0020\\u0650\\u0651\";\n  t[\"\\uFC63\"] = \"\\u0020\\u0651\\u0670\";\n  t[\"\\uFC64\"] = \"\\u0626\\u0631\";\n  t[\"\\uFC65\"] = \"\\u0626\\u0632\";\n  t[\"\\uFC66\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC67\"] = \"\\u0626\\u0646\";\n  t[\"\\uFC68\"] = \"\\u0626\\u0649\";\n  t[\"\\uFC69\"] = \"\\u0626\\u064A\";\n  t[\"\\uFC6A\"] = \"\\u0628\\u0631\";\n  t[\"\\uFC6B\"] = \"\\u0628\\u0632\";\n  t[\"\\uFC6C\"] = \"\\u0628\\u0645\";\n  t[\"\\uFC6D\"] = \"\\u0628\\u0646\";\n  t[\"\\uFC6E\"] = \"\\u0628\\u0649\";\n  t[\"\\uFC6F\"] = \"\\u0628\\u064A\";\n  t[\"\\uFC70\"] = \"\\u062A\\u0631\";\n  t[\"\\uFC71\"] = \"\\u062A\\u0632\";\n  t[\"\\uFC72\"] = \"\\u062A\\u0645\";\n  t[\"\\uFC73\"] = \"\\u062A\\u0646\";\n  t[\"\\uFC74\"] = \"\\u062A\\u0649\";\n  t[\"\\uFC75\"] = \"\\u062A\\u064A\";\n  t[\"\\uFC76\"] = \"\\u062B\\u0631\";\n  t[\"\\uFC77\"] = \"\\u062B\\u0632\";\n  t[\"\\uFC78\"] = \"\\u062B\\u0645\";\n  t[\"\\uFC79\"] = \"\\u062B\\u0646\";\n  t[\"\\uFC7A\"] = \"\\u062B\\u0649\";\n  t[\"\\uFC7B\"] = \"\\u062B\\u064A\";\n  t[\"\\uFC7C\"] = \"\\u0641\\u0649\";\n  t[\"\\uFC7D\"] = \"\\u0641\\u064A\";\n  t[\"\\uFC7E\"] = \"\\u0642\\u0649\";\n  t[\"\\uFC7F\"] = \"\\u0642\\u064A\";\n  t[\"\\uFC80\"] = \"\\u0643\\u0627\";\n  t[\"\\uFC81\"] = \"\\u0643\\u0644\";\n  t[\"\\uFC82\"] = \"\\u0643\\u0645\";\n  t[\"\\uFC83\"] = \"\\u0643\\u0649\";\n  t[\"\\uFC84\"] = \"\\u0643\\u064A\";\n  t[\"\\uFC85\"] = \"\\u0644\\u0645\";\n  t[\"\\uFC86\"] = \"\\u0644\\u0649\";\n  t[\"\\uFC87\"] = \"\\u0644\\u064A\";\n  t[\"\\uFC88\"] = \"\\u0645\\u0627\";\n  t[\"\\uFC89\"] = \"\\u0645\\u0645\";\n  t[\"\\uFC8A\"] = \"\\u0646\\u0631\";\n  t[\"\\uFC8B\"] = \"\\u0646\\u0632\";\n  t[\"\\uFC8C\"] = \"\\u0646\\u0645\";\n  t[\"\\uFC8D\"] = \"\\u0646\\u0646\";\n  t[\"\\uFC8E\"] = \"\\u0646\\u0649\";\n  t[\"\\uFC8F\"] = \"\\u0646\\u064A\";\n  t[\"\\uFC90\"] = \"\\u0649\\u0670\";\n  t[\"\\uFC91\"] = \"\\u064A\\u0631\";\n  t[\"\\uFC92\"] = \"\\u064A\\u0632\";\n  t[\"\\uFC93\"] = \"\\u064A\\u0645\";\n  t[\"\\uFC94\"] = \"\\u064A\\u0646\";\n  t[\"\\uFC95\"] = \"\\u064A\\u0649\";\n  t[\"\\uFC96\"] = \"\\u064A\\u064A\";\n  t[\"\\uFC97\"] = \"\\u0626\\u062C\";\n  t[\"\\uFC98\"] = \"\\u0626\\u062D\";\n  t[\"\\uFC99\"] = \"\\u0626\\u062E\";\n  t[\"\\uFC9A\"] = \"\\u0626\\u0645\";\n  t[\"\\uFC9B\"] = \"\\u0626\\u0647\";\n  t[\"\\uFC9C\"] = \"\\u0628\\u062C\";\n  t[\"\\uFC9D\"] = \"\\u0628\\u062D\";\n  t[\"\\uFC9E\"] = \"\\u0628\\u062E\";\n  t[\"\\uFC9F\"] = \"\\u0628\\u0645\";\n  t[\"\\uFCA0\"] = \"\\u0628\\u0647\";\n  t[\"\\uFCA1\"] = \"\\u062A\\u062C\";\n  t[\"\\uFCA2\"] = \"\\u062A\\u062D\";\n  t[\"\\uFCA3\"] = \"\\u062A\\u062E\";\n  t[\"\\uFCA4\"] = \"\\u062A\\u0645\";\n  t[\"\\uFCA5\"] = \"\\u062A\\u0647\";\n  t[\"\\uFCA6\"] = \"\\u062B\\u0645\";\n  t[\"\\uFCA7\"] = \"\\u062C\\u062D\";\n  t[\"\\uFCA8\"] = \"\\u062C\\u0645\";\n  t[\"\\uFCA9\"] = \"\\u062D\\u062C\";\n  t[\"\\uFCAA\"] = \"\\u062D\\u0645\";\n  t[\"\\uFCAB\"] = \"\\u062E\\u062C\";\n  t[\"\\uFCAC\"] = \"\\u062E\\u0645\";\n  t[\"\\uFCAD\"] = \"\\u0633\\u062C\";\n  t[\"\\uFCAE\"] = \"\\u0633\\u062D\";\n  t[\"\\uFCAF\"] = \"\\u0633\\u062E\";\n  t[\"\\uFCB0\"] = \"\\u0633\\u0645\";\n  t[\"\\uFCB1\"] = \"\\u0635\\u062D\";\n  t[\"\\uFCB2\"] = \"\\u0635\\u062E\";\n  t[\"\\uFCB3\"] = \"\\u0635\\u0645\";\n  t[\"\\uFCB4\"] = \"\\u0636\\u062C\";\n  t[\"\\uFCB5\"] = \"\\u0636\\u062D\";\n  t[\"\\uFCB6\"] = \"\\u0636\\u062E\";\n  t[\"\\uFCB7\"] = \"\\u0636\\u0645\";\n  t[\"\\uFCB8\"] = \"\\u0637\\u062D\";\n  t[\"\\uFCB9\"] = \"\\u0638\\u0645\";\n  t[\"\\uFCBA\"] = \"\\u0639\\u062C\";\n  t[\"\\uFCBB\"] = \"\\u0639\\u0645\";\n  t[\"\\uFCBC\"] = \"\\u063A\\u062C\";\n  t[\"\\uFCBD\"] = \"\\u063A\\u0645\";\n  t[\"\\uFCBE\"] = \"\\u0641\\u062C\";\n  t[\"\\uFCBF\"] = \"\\u0641\\u062D\";\n  t[\"\\uFCC0\"] = \"\\u0641\\u062E\";\n  t[\"\\uFCC1\"] = \"\\u0641\\u0645\";\n  t[\"\\uFCC2\"] = \"\\u0642\\u062D\";\n  t[\"\\uFCC3\"] = \"\\u0642\\u0645\";\n  t[\"\\uFCC4\"] = \"\\u0643\\u062C\";\n  t[\"\\uFCC5\"] = \"\\u0643\\u062D\";\n  t[\"\\uFCC6\"] = \"\\u0643\\u062E\";\n  t[\"\\uFCC7\"] = \"\\u0643\\u0644\";\n  t[\"\\uFCC8\"] = \"\\u0643\\u0645\";\n  t[\"\\uFCC9\"] = \"\\u0644\\u062C\";\n  t[\"\\uFCCA\"] = \"\\u0644\\u062D\";\n  t[\"\\uFCCB\"] = \"\\u0644\\u062E\";\n  t[\"\\uFCCC\"] = \"\\u0644\\u0645\";\n  t[\"\\uFCCD\"] = \"\\u0644\\u0647\";\n  t[\"\\uFCCE\"] = \"\\u0645\\u062C\";\n  t[\"\\uFCCF\"] = \"\\u0645\\u062D\";\n  t[\"\\uFCD0\"] = \"\\u0645\\u062E\";\n  t[\"\\uFCD1\"] = \"\\u0645\\u0645\";\n  t[\"\\uFCD2\"] = \"\\u0646\\u062C\";\n  t[\"\\uFCD3\"] = \"\\u0646\\u062D\";\n  t[\"\\uFCD4\"] = \"\\u0646\\u062E\";\n  t[\"\\uFCD5\"] = \"\\u0646\\u0645\";\n  t[\"\\uFCD6\"] = \"\\u0646\\u0647\";\n  t[\"\\uFCD7\"] = \"\\u0647\\u062C\";\n  t[\"\\uFCD8\"] = \"\\u0647\\u0645\";\n  t[\"\\uFCD9\"] = \"\\u0647\\u0670\";\n  t[\"\\uFCDA\"] = \"\\u064A\\u062C\";\n  t[\"\\uFCDB\"] = \"\\u064A\\u062D\";\n  t[\"\\uFCDC\"] = \"\\u064A\\u062E\";\n  t[\"\\uFCDD\"] = \"\\u064A\\u0645\";\n  t[\"\\uFCDE\"] = \"\\u064A\\u0647\";\n  t[\"\\uFCDF\"] = \"\\u0626\\u0645\";\n  t[\"\\uFCE0\"] = \"\\u0626\\u0647\";\n  t[\"\\uFCE1\"] = \"\\u0628\\u0645\";\n  t[\"\\uFCE2\"] = \"\\u0628\\u0647\";\n  t[\"\\uFCE3\"] = \"\\u062A\\u0645\";\n  t[\"\\uFCE4\"] = \"\\u062A\\u0647\";\n  t[\"\\uFCE5\"] = \"\\u062B\\u0645\";\n  t[\"\\uFCE6\"] = \"\\u062B\\u0647\";\n  t[\"\\uFCE7\"] = \"\\u0633\\u0645\";\n  t[\"\\uFCE8\"] = \"\\u0633\\u0647\";\n  t[\"\\uFCE9\"] = \"\\u0634\\u0645\";\n  t[\"\\uFCEA\"] = \"\\u0634\\u0647\";\n  t[\"\\uFCEB\"] = \"\\u0643\\u0644\";\n  t[\"\\uFCEC\"] = \"\\u0643\\u0645\";\n  t[\"\\uFCED\"] = \"\\u0644\\u0645\";\n  t[\"\\uFCEE\"] = \"\\u0646\\u0645\";\n  t[\"\\uFCEF\"] = \"\\u0646\\u0647\";\n  t[\"\\uFCF0\"] = \"\\u064A\\u0645\";\n  t[\"\\uFCF1\"] = \"\\u064A\\u0647\";\n  t[\"\\uFCF2\"] = \"\\u0640\\u064E\\u0651\";\n  t[\"\\uFCF3\"] = \"\\u0640\\u064F\\u0651\";\n  t[\"\\uFCF4\"] = \"\\u0640\\u0650\\u0651\";\n  t[\"\\uFCF5\"] = \"\\u0637\\u0649\";\n  t[\"\\uFCF6\"] = \"\\u0637\\u064A\";\n  t[\"\\uFCF7\"] = \"\\u0639\\u0649\";\n  t[\"\\uFCF8\"] = \"\\u0639\\u064A\";\n  t[\"\\uFCF9\"] = \"\\u063A\\u0649\";\n  t[\"\\uFCFA\"] = \"\\u063A\\u064A\";\n  t[\"\\uFCFB\"] = \"\\u0633\\u0649\";\n  t[\"\\uFCFC\"] = \"\\u0633\\u064A\";\n  t[\"\\uFCFD\"] = \"\\u0634\\u0649\";\n  t[\"\\uFCFE\"] = \"\\u0634\\u064A\";\n  t[\"\\uFCFF\"] = \"\\u062D\\u0649\";\n  t[\"\\uFD00\"] = \"\\u062D\\u064A\";\n  t[\"\\uFD01\"] = \"\\u062C\\u0649\";\n  t[\"\\uFD02\"] = \"\\u062C\\u064A\";\n  t[\"\\uFD03\"] = \"\\u062E\\u0649\";\n  t[\"\\uFD04\"] = \"\\u062E\\u064A\";\n  t[\"\\uFD05\"] = \"\\u0635\\u0649\";\n  t[\"\\uFD06\"] = \"\\u0635\\u064A\";\n  t[\"\\uFD07\"] = \"\\u0636\\u0649\";\n  t[\"\\uFD08\"] = \"\\u0636\\u064A\";\n  t[\"\\uFD09\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD0A\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD0B\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD0C\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD0D\"] = \"\\u0634\\u0631\";\n  t[\"\\uFD0E\"] = \"\\u0633\\u0631\";\n  t[\"\\uFD0F\"] = \"\\u0635\\u0631\";\n  t[\"\\uFD10\"] = \"\\u0636\\u0631\";\n  t[\"\\uFD11\"] = \"\\u0637\\u0649\";\n  t[\"\\uFD12\"] = \"\\u0637\\u064A\";\n  t[\"\\uFD13\"] = \"\\u0639\\u0649\";\n  t[\"\\uFD14\"] = \"\\u0639\\u064A\";\n  t[\"\\uFD15\"] = \"\\u063A\\u0649\";\n  t[\"\\uFD16\"] = \"\\u063A\\u064A\";\n  t[\"\\uFD17\"] = \"\\u0633\\u0649\";\n  t[\"\\uFD18\"] = \"\\u0633\\u064A\";\n  t[\"\\uFD19\"] = \"\\u0634\\u0649\";\n  t[\"\\uFD1A\"] = \"\\u0634\\u064A\";\n  t[\"\\uFD1B\"] = \"\\u062D\\u0649\";\n  t[\"\\uFD1C\"] = \"\\u062D\\u064A\";\n  t[\"\\uFD1D\"] = \"\\u062C\\u0649\";\n  t[\"\\uFD1E\"] = \"\\u062C\\u064A\";\n  t[\"\\uFD1F\"] = \"\\u062E\\u0649\";\n  t[\"\\uFD20\"] = \"\\u062E\\u064A\";\n  t[\"\\uFD21\"] = \"\\u0635\\u0649\";\n  t[\"\\uFD22\"] = \"\\u0635\\u064A\";\n  t[\"\\uFD23\"] = \"\\u0636\\u0649\";\n  t[\"\\uFD24\"] = \"\\u0636\\u064A\";\n  t[\"\\uFD25\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD26\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD27\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD28\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD29\"] = \"\\u0634\\u0631\";\n  t[\"\\uFD2A\"] = \"\\u0633\\u0631\";\n  t[\"\\uFD2B\"] = \"\\u0635\\u0631\";\n  t[\"\\uFD2C\"] = \"\\u0636\\u0631\";\n  t[\"\\uFD2D\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD2E\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD2F\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD30\"] = \"\\u0634\\u0645\";\n  t[\"\\uFD31\"] = \"\\u0633\\u0647\";\n  t[\"\\uFD32\"] = \"\\u0634\\u0647\";\n  t[\"\\uFD33\"] = \"\\u0637\\u0645\";\n  t[\"\\uFD34\"] = \"\\u0633\\u062C\";\n  t[\"\\uFD35\"] = \"\\u0633\\u062D\";\n  t[\"\\uFD36\"] = \"\\u0633\\u062E\";\n  t[\"\\uFD37\"] = \"\\u0634\\u062C\";\n  t[\"\\uFD38\"] = \"\\u0634\\u062D\";\n  t[\"\\uFD39\"] = \"\\u0634\\u062E\";\n  t[\"\\uFD3A\"] = \"\\u0637\\u0645\";\n  t[\"\\uFD3B\"] = \"\\u0638\\u0645\";\n  t[\"\\uFD3C\"] = \"\\u0627\\u064B\";\n  t[\"\\uFD3D\"] = \"\\u0627\\u064B\";\n  t[\"\\uFD50\"] = \"\\u062A\\u062C\\u0645\";\n  t[\"\\uFD51\"] = \"\\u062A\\u062D\\u062C\";\n  t[\"\\uFD52\"] = \"\\u062A\\u062D\\u062C\";\n  t[\"\\uFD53\"] = \"\\u062A\\u062D\\u0645\";\n  t[\"\\uFD54\"] = \"\\u062A\\u062E\\u0645\";\n  t[\"\\uFD55\"] = \"\\u062A\\u0645\\u062C\";\n  t[\"\\uFD56\"] = \"\\u062A\\u0645\\u062D\";\n  t[\"\\uFD57\"] = \"\\u062A\\u0645\\u062E\";\n  t[\"\\uFD58\"] = \"\\u062C\\u0645\\u062D\";\n  t[\"\\uFD59\"] = \"\\u062C\\u0645\\u062D\";\n  t[\"\\uFD5A\"] = \"\\u062D\\u0645\\u064A\";\n  t[\"\\uFD5B\"] = \"\\u062D\\u0645\\u0649\";\n  t[\"\\uFD5C\"] = \"\\u0633\\u062D\\u062C\";\n  t[\"\\uFD5D\"] = \"\\u0633\\u062C\\u062D\";\n  t[\"\\uFD5E\"] = \"\\u0633\\u062C\\u0649\";\n  t[\"\\uFD5F\"] = \"\\u0633\\u0645\\u062D\";\n  t[\"\\uFD60\"] = \"\\u0633\\u0645\\u062D\";\n  t[\"\\uFD61\"] = \"\\u0633\\u0645\\u062C\";\n  t[\"\\uFD62\"] = \"\\u0633\\u0645\\u0645\";\n  t[\"\\uFD63\"] = \"\\u0633\\u0645\\u0645\";\n  t[\"\\uFD64\"] = \"\\u0635\\u062D\\u062D\";\n  t[\"\\uFD65\"] = \"\\u0635\\u062D\\u062D\";\n  t[\"\\uFD66\"] = \"\\u0635\\u0645\\u0645\";\n  t[\"\\uFD67\"] = \"\\u0634\\u062D\\u0645\";\n  t[\"\\uFD68\"] = \"\\u0634\\u062D\\u0645\";\n  t[\"\\uFD69\"] = \"\\u0634\\u062C\\u064A\";\n  t[\"\\uFD6A\"] = \"\\u0634\\u0645\\u062E\";\n  t[\"\\uFD6B\"] = \"\\u0634\\u0645\\u062E\";\n  t[\"\\uFD6C\"] = \"\\u0634\\u0645\\u0645\";\n  t[\"\\uFD6D\"] = \"\\u0634\\u0645\\u0645\";\n  t[\"\\uFD6E\"] = \"\\u0636\\u062D\\u0649\";\n  t[\"\\uFD6F\"] = \"\\u0636\\u062E\\u0645\";\n  t[\"\\uFD70\"] = \"\\u0636\\u062E\\u0645\";\n  t[\"\\uFD71\"] = \"\\u0637\\u0645\\u062D\";\n  t[\"\\uFD72\"] = \"\\u0637\\u0645\\u062D\";\n  t[\"\\uFD73\"] = \"\\u0637\\u0645\\u0645\";\n  t[\"\\uFD74\"] = \"\\u0637\\u0645\\u064A\";\n  t[\"\\uFD75\"] = \"\\u0639\\u062C\\u0645\";\n  t[\"\\uFD76\"] = \"\\u0639\\u0645\\u0645\";\n  t[\"\\uFD77\"] = \"\\u0639\\u0645\\u0645\";\n  t[\"\\uFD78\"] = \"\\u0639\\u0645\\u0649\";\n  t[\"\\uFD79\"] = \"\\u063A\\u0645\\u0645\";\n  t[\"\\uFD7A\"] = \"\\u063A\\u0645\\u064A\";\n  t[\"\\uFD7B\"] = \"\\u063A\\u0645\\u0649\";\n  t[\"\\uFD7C\"] = \"\\u0641\\u062E\\u0645\";\n  t[\"\\uFD7D\"] = \"\\u0641\\u062E\\u0645\";\n  t[\"\\uFD7E\"] = \"\\u0642\\u0645\\u062D\";\n  t[\"\\uFD7F\"] = \"\\u0642\\u0645\\u0645\";\n  t[\"\\uFD80\"] = \"\\u0644\\u062D\\u0645\";\n  t[\"\\uFD81\"] = \"\\u0644\\u062D\\u064A\";\n  t[\"\\uFD82\"] = \"\\u0644\\u062D\\u0649\";\n  t[\"\\uFD83\"] = \"\\u0644\\u062C\\u062C\";\n  t[\"\\uFD84\"] = \"\\u0644\\u062C\\u062C\";\n  t[\"\\uFD85\"] = \"\\u0644\\u062E\\u0645\";\n  t[\"\\uFD86\"] = \"\\u0644\\u062E\\u0645\";\n  t[\"\\uFD87\"] = \"\\u0644\\u0645\\u062D\";\n  t[\"\\uFD88\"] = \"\\u0644\\u0645\\u062D\";\n  t[\"\\uFD89\"] = \"\\u0645\\u062D\\u062C\";\n  t[\"\\uFD8A\"] = \"\\u0645\\u062D\\u0645\";\n  t[\"\\uFD8B\"] = \"\\u0645\\u062D\\u064A\";\n  t[\"\\uFD8C\"] = \"\\u0645\\u062C\\u062D\";\n  t[\"\\uFD8D\"] = \"\\u0645\\u062C\\u0645\";\n  t[\"\\uFD8E\"] = \"\\u0645\\u062E\\u062C\";\n  t[\"\\uFD8F\"] = \"\\u0645\\u062E\\u0645\";\n  t[\"\\uFD92\"] = \"\\u0645\\u062C\\u062E\";\n  t[\"\\uFD93\"] = \"\\u0647\\u0645\\u062C\";\n  t[\"\\uFD94\"] = \"\\u0647\\u0645\\u0645\";\n  t[\"\\uFD95\"] = \"\\u0646\\u062D\\u0645\";\n  t[\"\\uFD96\"] = \"\\u0646\\u062D\\u0649\";\n  t[\"\\uFD97\"] = \"\\u0646\\u062C\\u0645\";\n  t[\"\\uFD98\"] = \"\\u0646\\u062C\\u0645\";\n  t[\"\\uFD99\"] = \"\\u0646\\u062C\\u0649\";\n  t[\"\\uFD9A\"] = \"\\u0646\\u0645\\u064A\";\n  t[\"\\uFD9B\"] = \"\\u0646\\u0645\\u0649\";\n  t[\"\\uFD9C\"] = \"\\u064A\\u0645\\u0645\";\n  t[\"\\uFD9D\"] = \"\\u064A\\u0645\\u0645\";\n  t[\"\\uFD9E\"] = \"\\u0628\\u062E\\u064A\";\n  t[\"\\uFD9F\"] = \"\\u062A\\u062C\\u064A\";\n  t[\"\\uFDA0\"] = \"\\u062A\\u062C\\u0649\";\n  t[\"\\uFDA1\"] = \"\\u062A\\u062E\\u064A\";\n  t[\"\\uFDA2\"] = \"\\u062A\\u062E\\u0649\";\n  t[\"\\uFDA3\"] = \"\\u062A\\u0645\\u064A\";\n  t[\"\\uFDA4\"] = \"\\u062A\\u0645\\u0649\";\n  t[\"\\uFDA5\"] = \"\\u062C\\u0645\\u064A\";\n  t[\"\\uFDA6\"] = \"\\u062C\\u062D\\u0649\";\n  t[\"\\uFDA7\"] = \"\\u062C\\u0645\\u0649\";\n  t[\"\\uFDA8\"] = \"\\u0633\\u062E\\u0649\";\n  t[\"\\uFDA9\"] = \"\\u0635\\u062D\\u064A\";\n  t[\"\\uFDAA\"] = \"\\u0634\\u062D\\u064A\";\n  t[\"\\uFDAB\"] = \"\\u0636\\u062D\\u064A\";\n  t[\"\\uFDAC\"] = \"\\u0644\\u062C\\u064A\";\n  t[\"\\uFDAD\"] = \"\\u0644\\u0645\\u064A\";\n  t[\"\\uFDAE\"] = \"\\u064A\\u062D\\u064A\";\n  t[\"\\uFDAF\"] = \"\\u064A\\u062C\\u064A\";\n  t[\"\\uFDB0\"] = \"\\u064A\\u0645\\u064A\";\n  t[\"\\uFDB1\"] = \"\\u0645\\u0645\\u064A\";\n  t[\"\\uFDB2\"] = \"\\u0642\\u0645\\u064A\";\n  t[\"\\uFDB3\"] = \"\\u0646\\u062D\\u064A\";\n  t[\"\\uFDB4\"] = \"\\u0642\\u0645\\u062D\";\n  t[\"\\uFDB5\"] = \"\\u0644\\u062D\\u0645\";\n  t[\"\\uFDB6\"] = \"\\u0639\\u0645\\u064A\";\n  t[\"\\uFDB7\"] = \"\\u0643\\u0645\\u064A\";\n  t[\"\\uFDB8\"] = \"\\u0646\\u062C\\u062D\";\n  t[\"\\uFDB9\"] = \"\\u0645\\u062E\\u064A\";\n  t[\"\\uFDBA\"] = \"\\u0644\\u062C\\u0645\";\n  t[\"\\uFDBB\"] = \"\\u0643\\u0645\\u0645\";\n  t[\"\\uFDBC\"] = \"\\u0644\\u062C\\u0645\";\n  t[\"\\uFDBD\"] = \"\\u0646\\u062C\\u062D\";\n  t[\"\\uFDBE\"] = \"\\u062C\\u062D\\u064A\";\n  t[\"\\uFDBF\"] = \"\\u062D\\u062C\\u064A\";\n  t[\"\\uFDC0\"] = \"\\u0645\\u062C\\u064A\";\n  t[\"\\uFDC1\"] = \"\\u0641\\u0645\\u064A\";\n  t[\"\\uFDC2\"] = \"\\u0628\\u062D\\u064A\";\n  t[\"\\uFDC3\"] = \"\\u0643\\u0645\\u0645\";\n  t[\"\\uFDC4\"] = \"\\u0639\\u062C\\u0645\";\n  t[\"\\uFDC5\"] = \"\\u0635\\u0645\\u0645\";\n  t[\"\\uFDC6\"] = \"\\u0633\\u062E\\u064A\";\n  t[\"\\uFDC7\"] = \"\\u0646\\u062C\\u064A\";\n  t[\"\\uFE49\"] = \"\\u203E\";\n  t[\"\\uFE4A\"] = \"\\u203E\";\n  t[\"\\uFE4B\"] = \"\\u203E\";\n  t[\"\\uFE4C\"] = \"\\u203E\";\n  t[\"\\uFE4D\"] = \"\\u005F\";\n  t[\"\\uFE4E\"] = \"\\u005F\";\n  t[\"\\uFE4F\"] = \"\\u005F\";\n  t[\"\\uFE80\"] = \"\\u0621\";\n  t[\"\\uFE81\"] = \"\\u0622\";\n  t[\"\\uFE82\"] = \"\\u0622\";\n  t[\"\\uFE83\"] = \"\\u0623\";\n  t[\"\\uFE84\"] = \"\\u0623\";\n  t[\"\\uFE85\"] = \"\\u0624\";\n  t[\"\\uFE86\"] = \"\\u0624\";\n  t[\"\\uFE87\"] = \"\\u0625\";\n  t[\"\\uFE88\"] = \"\\u0625\";\n  t[\"\\uFE89\"] = \"\\u0626\";\n  t[\"\\uFE8A\"] = \"\\u0626\";\n  t[\"\\uFE8B\"] = \"\\u0626\";\n  t[\"\\uFE8C\"] = \"\\u0626\";\n  t[\"\\uFE8D\"] = \"\\u0627\";\n  t[\"\\uFE8E\"] = \"\\u0627\";\n  t[\"\\uFE8F\"] = \"\\u0628\";\n  t[\"\\uFE90\"] = \"\\u0628\";\n  t[\"\\uFE91\"] = \"\\u0628\";\n  t[\"\\uFE92\"] = \"\\u0628\";\n  t[\"\\uFE93\"] = \"\\u0629\";\n  t[\"\\uFE94\"] = \"\\u0629\";\n  t[\"\\uFE95\"] = \"\\u062A\";\n  t[\"\\uFE96\"] = \"\\u062A\";\n  t[\"\\uFE97\"] = \"\\u062A\";\n  t[\"\\uFE98\"] = \"\\u062A\";\n  t[\"\\uFE99\"] = \"\\u062B\";\n  t[\"\\uFE9A\"] = \"\\u062B\";\n  t[\"\\uFE9B\"] = \"\\u062B\";\n  t[\"\\uFE9C\"] = \"\\u062B\";\n  t[\"\\uFE9D\"] = \"\\u062C\";\n  t[\"\\uFE9E\"] = \"\\u062C\";\n  t[\"\\uFE9F\"] = \"\\u062C\";\n  t[\"\\uFEA0\"] = \"\\u062C\";\n  t[\"\\uFEA1\"] = \"\\u062D\";\n  t[\"\\uFEA2\"] = \"\\u062D\";\n  t[\"\\uFEA3\"] = \"\\u062D\";\n  t[\"\\uFEA4\"] = \"\\u062D\";\n  t[\"\\uFEA5\"] = \"\\u062E\";\n  t[\"\\uFEA6\"] = \"\\u062E\";\n  t[\"\\uFEA7\"] = \"\\u062E\";\n  t[\"\\uFEA8\"] = \"\\u062E\";\n  t[\"\\uFEA9\"] = \"\\u062F\";\n  t[\"\\uFEAA\"] = \"\\u062F\";\n  t[\"\\uFEAB\"] = \"\\u0630\";\n  t[\"\\uFEAC\"] = \"\\u0630\";\n  t[\"\\uFEAD\"] = \"\\u0631\";\n  t[\"\\uFEAE\"] = \"\\u0631\";\n  t[\"\\uFEAF\"] = \"\\u0632\";\n  t[\"\\uFEB0\"] = \"\\u0632\";\n  t[\"\\uFEB1\"] = \"\\u0633\";\n  t[\"\\uFEB2\"] = \"\\u0633\";\n  t[\"\\uFEB3\"] = \"\\u0633\";\n  t[\"\\uFEB4\"] = \"\\u0633\";\n  t[\"\\uFEB5\"] = \"\\u0634\";\n  t[\"\\uFEB6\"] = \"\\u0634\";\n  t[\"\\uFEB7\"] = \"\\u0634\";\n  t[\"\\uFEB8\"] = \"\\u0634\";\n  t[\"\\uFEB9\"] = \"\\u0635\";\n  t[\"\\uFEBA\"] = \"\\u0635\";\n  t[\"\\uFEBB\"] = \"\\u0635\";\n  t[\"\\uFEBC\"] = \"\\u0635\";\n  t[\"\\uFEBD\"] = \"\\u0636\";\n  t[\"\\uFEBE\"] = \"\\u0636\";\n  t[\"\\uFEBF\"] = \"\\u0636\";\n  t[\"\\uFEC0\"] = \"\\u0636\";\n  t[\"\\uFEC1\"] = \"\\u0637\";\n  t[\"\\uFEC2\"] = \"\\u0637\";\n  t[\"\\uFEC3\"] = \"\\u0637\";\n  t[\"\\uFEC4\"] = \"\\u0637\";\n  t[\"\\uFEC5\"] = \"\\u0638\";\n  t[\"\\uFEC6\"] = \"\\u0638\";\n  t[\"\\uFEC7\"] = \"\\u0638\";\n  t[\"\\uFEC8\"] = \"\\u0638\";\n  t[\"\\uFEC9\"] = \"\\u0639\";\n  t[\"\\uFECA\"] = \"\\u0639\";\n  t[\"\\uFECB\"] = \"\\u0639\";\n  t[\"\\uFECC\"] = \"\\u0639\";\n  t[\"\\uFECD\"] = \"\\u063A\";\n  t[\"\\uFECE\"] = \"\\u063A\";\n  t[\"\\uFECF\"] = \"\\u063A\";\n  t[\"\\uFED0\"] = \"\\u063A\";\n  t[\"\\uFED1\"] = \"\\u0641\";\n  t[\"\\uFED2\"] = \"\\u0641\";\n  t[\"\\uFED3\"] = \"\\u0641\";\n  t[\"\\uFED4\"] = \"\\u0641\";\n  t[\"\\uFED5\"] = \"\\u0642\";\n  t[\"\\uFED6\"] = \"\\u0642\";\n  t[\"\\uFED7\"] = \"\\u0642\";\n  t[\"\\uFED8\"] = \"\\u0642\";\n  t[\"\\uFED9\"] = \"\\u0643\";\n  t[\"\\uFEDA\"] = \"\\u0643\";\n  t[\"\\uFEDB\"] = \"\\u0643\";\n  t[\"\\uFEDC\"] = \"\\u0643\";\n  t[\"\\uFEDD\"] = \"\\u0644\";\n  t[\"\\uFEDE\"] = \"\\u0644\";\n  t[\"\\uFEDF\"] = \"\\u0644\";\n  t[\"\\uFEE0\"] = \"\\u0644\";\n  t[\"\\uFEE1\"] = \"\\u0645\";\n  t[\"\\uFEE2\"] = \"\\u0645\";\n  t[\"\\uFEE3\"] = \"\\u0645\";\n  t[\"\\uFEE4\"] = \"\\u0645\";\n  t[\"\\uFEE5\"] = \"\\u0646\";\n  t[\"\\uFEE6\"] = \"\\u0646\";\n  t[\"\\uFEE7\"] = \"\\u0646\";\n  t[\"\\uFEE8\"] = \"\\u0646\";\n  t[\"\\uFEE9\"] = \"\\u0647\";\n  t[\"\\uFEEA\"] = \"\\u0647\";\n  t[\"\\uFEEB\"] = \"\\u0647\";\n  t[\"\\uFEEC\"] = \"\\u0647\";\n  t[\"\\uFEED\"] = \"\\u0648\";\n  t[\"\\uFEEE\"] = \"\\u0648\";\n  t[\"\\uFEEF\"] = \"\\u0649\";\n  t[\"\\uFEF0\"] = \"\\u0649\";\n  t[\"\\uFEF1\"] = \"\\u064A\";\n  t[\"\\uFEF2\"] = \"\\u064A\";\n  t[\"\\uFEF3\"] = \"\\u064A\";\n  t[\"\\uFEF4\"] = \"\\u064A\";\n  t[\"\\uFEF5\"] = \"\\u0644\\u0622\";\n  t[\"\\uFEF6\"] = \"\\u0644\\u0622\";\n  t[\"\\uFEF7\"] = \"\\u0644\\u0623\";\n  t[\"\\uFEF8\"] = \"\\u0644\\u0623\";\n  t[\"\\uFEF9\"] = \"\\u0644\\u0625\";\n  t[\"\\uFEFA\"] = \"\\u0644\\u0625\";\n  t[\"\\uFEFB\"] = \"\\u0644\\u0627\";\n  t[\"\\uFEFC\"] = \"\\u0644\\u0627\";\n});\n\nfunction reverseIfRtl(chars) {\n  var charsLength = chars.length;\n  // Reverse an arabic ligature.\n  if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {\n    return chars;\n  }\n  var s = \"\";\n  for (var ii = charsLength - 1; ii >= 0; ii--) {\n    s += chars[ii];\n  }\n  return s;\n}\n\nexports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;\nexports.reverseIfRtl = reverseIfRtl;\nexports.getUnicodeRangeFor = getUnicodeRangeFor;\nexports.getNormalizedUnicodes = getNormalizedUnicodes;\nexports.getUnicodeForGlyph = getUnicodeForGlyph;\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  bytesToString,\n  FONT_IDENTITY_MATRIX,\n  FormatError,\n  unreachable,\n  warn,\n} from \"../shared/util.js\";\nimport { CFFParser } from \"./cff_parser.js\";\nimport { getGlyphsUnicode } from \"./glyphlist.js\";\nimport { StandardEncoding } from \"./encodings.js\";\nimport { Stream } from \"./stream.js\";\n\nvar FontRendererFactory = (function FontRendererFactoryClosure() {\n  function getLong(data, offset) {\n    return (\n      (data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]\n    );\n  }\n\n  function getUshort(data, offset) {\n    return (data[offset] << 8) | data[offset + 1];\n  }\n\n  function getSubroutineBias(subrs) {\n    const numSubrs = subrs.length;\n    let bias = 32768;\n    if (numSubrs < 1240) {\n      bias = 107;\n    } else if (numSubrs < 33900) {\n      bias = 1131;\n    }\n    return bias;\n  }\n\n  function parseCmap(data, start, end) {\n    var offset =\n      getUshort(data, start + 2) === 1\n        ? getLong(data, start + 8)\n        : getLong(data, start + 16);\n    var format = getUshort(data, start + offset);\n    var ranges, p, i;\n    if (format === 4) {\n      getUshort(data, start + offset + 2); // length\n      var segCount = getUshort(data, start + offset + 6) >> 1;\n      p = start + offset + 14;\n      ranges = [];\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i] = { end: getUshort(data, p) };\n      }\n      p += 2;\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i].start = getUshort(data, p);\n      }\n      for (i = 0; i < segCount; i++, p += 2) {\n        ranges[i].idDelta = getUshort(data, p);\n      }\n      for (i = 0; i < segCount; i++, p += 2) {\n        var idOffset = getUshort(data, p);\n        if (idOffset === 0) {\n          continue;\n        }\n        ranges[i].ids = [];\n        for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) {\n          ranges[i].ids[j] = getUshort(data, p + idOffset);\n          idOffset += 2;\n        }\n      }\n      return ranges;\n    } else if (format === 12) {\n      getLong(data, start + offset + 4); // length\n      var groups = getLong(data, start + offset + 12);\n      p = start + offset + 16;\n      ranges = [];\n      for (i = 0; i < groups; i++) {\n        ranges.push({\n          start: getLong(data, p),\n          end: getLong(data, p + 4),\n          idDelta: getLong(data, p + 8) - getLong(data, p),\n        });\n        p += 12;\n      }\n      return ranges;\n    }\n    throw new FormatError(`unsupported cmap: ${format}`);\n  }\n\n  function parseCff(data, start, end, seacAnalysisEnabled) {\n    var properties = {};\n    var parser = new CFFParser(\n      new Stream(data, start, end - start),\n      properties,\n      seacAnalysisEnabled\n    );\n    var cff = parser.parse();\n    return {\n      glyphs: cff.charStrings.objects,\n      subrs:\n        cff.topDict.privateDict &&\n        cff.topDict.privateDict.subrsIndex &&\n        cff.topDict.privateDict.subrsIndex.objects,\n      gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects,\n      isCFFCIDFont: cff.isCIDFont,\n      fdSelect: cff.fdSelect,\n      fdArray: cff.fdArray,\n    };\n  }\n\n  function parseGlyfTable(glyf, loca, isGlyphLocationsLong) {\n    var itemSize, itemDecode;\n    if (isGlyphLocationsLong) {\n      itemSize = 4;\n      itemDecode = function fontItemDecodeLong(data, offset) {\n        return (\n          (data[offset] << 24) |\n          (data[offset + 1] << 16) |\n          (data[offset + 2] << 8) |\n          data[offset + 3]\n        );\n      };\n    } else {\n      itemSize = 2;\n      itemDecode = function fontItemDecode(data, offset) {\n        return (data[offset] << 9) | (data[offset + 1] << 1);\n      };\n    }\n    var glyphs = [];\n    var startOffset = itemDecode(loca, 0);\n    for (var j = itemSize; j < loca.length; j += itemSize) {\n      var endOffset = itemDecode(loca, j);\n      glyphs.push(glyf.subarray(startOffset, endOffset));\n      startOffset = endOffset;\n    }\n    return glyphs;\n  }\n\n  function lookupCmap(ranges, unicode) {\n    var code = unicode.codePointAt(0),\n      gid = 0;\n    var l = 0,\n      r = ranges.length - 1;\n    while (l < r) {\n      var c = (l + r + 1) >> 1;\n      if (code < ranges[c].start) {\n        r = c - 1;\n      } else {\n        l = c;\n      }\n    }\n    if (ranges[l].start <= code && code <= ranges[l].end) {\n      gid =\n        (ranges[l].idDelta +\n          (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code)) &\n        0xffff;\n    }\n    return {\n      charCode: code,\n      glyphId: gid,\n    };\n  }\n\n  function compileGlyf(code, cmds, font) {\n    function moveTo(x, y) {\n      cmds.push({ cmd: \"moveTo\", args: [x, y] });\n    }\n    function lineTo(x, y) {\n      cmds.push({ cmd: \"lineTo\", args: [x, y] });\n    }\n    function quadraticCurveTo(xa, ya, x, y) {\n      cmds.push({ cmd: \"quadraticCurveTo\", args: [xa, ya, x, y] });\n    }\n\n    var i = 0;\n    var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n    var flags;\n    var x = 0,\n      y = 0;\n    i += 10;\n    if (numberOfContours < 0) {\n      // composite glyph\n      do {\n        flags = (code[i] << 8) | code[i + 1];\n        var glyphIndex = (code[i + 2] << 8) | code[i + 3];\n        i += 4;\n        var arg1, arg2;\n        if (flags & 0x01) {\n          arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n          arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16;\n          i += 4;\n        } else {\n          arg1 = code[i++];\n          arg2 = code[i++];\n        }\n        if (flags & 0x02) {\n          x = arg1;\n          y = arg2;\n        } else {\n          x = 0;\n          y = 0; // TODO \"they are points\" ?\n        }\n        var scaleX = 1,\n          scaleY = 1,\n          scale01 = 0,\n          scale10 = 0;\n        if (flags & 0x08) {\n          scaleX = scaleY =\n            ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          i += 2;\n        } else if (flags & 0x40) {\n          scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824;\n          i += 4;\n        } else if (flags & 0x80) {\n          scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824;\n          scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824;\n          scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824;\n          scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824;\n          i += 8;\n        }\n        var subglyph = font.glyphs[glyphIndex];\n        if (subglyph) {\n          cmds.push({ cmd: \"save\" });\n          cmds.push({\n            cmd: \"transform\",\n            args: [scaleX, scale01, scale10, scaleY, x, y],\n          });\n          compileGlyf(subglyph, cmds, font);\n          cmds.push({ cmd: \"restore\" });\n        }\n      } while (flags & 0x20);\n    } else {\n      // simple glyph\n      var endPtsOfContours = [];\n      var j, jj;\n      for (j = 0; j < numberOfContours; j++) {\n        endPtsOfContours.push((code[i] << 8) | code[i + 1]);\n        i += 2;\n      }\n      var instructionLength = (code[i] << 8) | code[i + 1];\n      i += 2 + instructionLength; // skipping the instructions\n      var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1;\n      var points = [];\n      while (points.length < numberOfPoints) {\n        flags = code[i++];\n        var repeat = 1;\n        if (flags & 0x08) {\n          repeat += code[i++];\n        }\n        while (repeat-- > 0) {\n          points.push({ flags });\n        }\n      }\n      for (j = 0; j < numberOfPoints; j++) {\n        switch (points[j].flags & 0x12) {\n          case 0x00:\n            x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n            i += 2;\n            break;\n          case 0x02:\n            x -= code[i++];\n            break;\n          case 0x12:\n            x += code[i++];\n            break;\n        }\n        points[j].x = x;\n      }\n      for (j = 0; j < numberOfPoints; j++) {\n        switch (points[j].flags & 0x24) {\n          case 0x00:\n            y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16;\n            i += 2;\n            break;\n          case 0x04:\n            y -= code[i++];\n            break;\n          case 0x24:\n            y += code[i++];\n            break;\n        }\n        points[j].y = y;\n      }\n\n      var startPoint = 0;\n      for (i = 0; i < numberOfContours; i++) {\n        var endPoint = endPtsOfContours[i];\n        // contours might have implicit points, which is located in the middle\n        // between two neighboring off-curve points\n        var contour = points.slice(startPoint, endPoint + 1);\n        if (contour[0].flags & 1) {\n          contour.push(contour[0]); // using start point at the contour end\n        } else if (contour[contour.length - 1].flags & 1) {\n          // first is off-curve point, trying to use one from the end\n          contour.unshift(contour[contour.length - 1]);\n        } else {\n          // start and end are off-curve points, creating implicit one\n          var p = {\n            flags: 1,\n            x: (contour[0].x + contour[contour.length - 1].x) / 2,\n            y: (contour[0].y + contour[contour.length - 1].y) / 2,\n          };\n          contour.unshift(p);\n          contour.push(p);\n        }\n        moveTo(contour[0].x, contour[0].y);\n        for (j = 1, jj = contour.length; j < jj; j++) {\n          if (contour[j].flags & 1) {\n            lineTo(contour[j].x, contour[j].y);\n          } else if (contour[j + 1].flags & 1) {\n            quadraticCurveTo(\n              contour[j].x,\n              contour[j].y,\n              contour[j + 1].x,\n              contour[j + 1].y\n            );\n            j++;\n          } else {\n            quadraticCurveTo(\n              contour[j].x,\n              contour[j].y,\n              (contour[j].x + contour[j + 1].x) / 2,\n              (contour[j].y + contour[j + 1].y) / 2\n            );\n          }\n        }\n        startPoint = endPoint + 1;\n      }\n    }\n  }\n\n  function compileCharString(charStringCode, cmds, font, glyphId) {\n    function moveTo(x, y) {\n      cmds.push({ cmd: \"moveTo\", args: [x, y] });\n    }\n    function lineTo(x, y) {\n      cmds.push({ cmd: \"lineTo\", args: [x, y] });\n    }\n    function bezierCurveTo(x1, y1, x2, y2, x, y) {\n      cmds.push({ cmd: \"bezierCurveTo\", args: [x1, y1, x2, y2, x, y] });\n    }\n\n    var stack = [];\n    var x = 0,\n      y = 0;\n    var stems = 0;\n\n    function parse(code) {\n      var i = 0;\n      while (i < code.length) {\n        var stackClean = false;\n        var v = code[i++];\n        var xa, xb, ya, yb, y1, y2, y3, n, subrCode;\n        switch (v) {\n          case 1: // hstem\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 3: // vstem\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 4: // vmoveto\n            y += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 5: // rlineto\n            while (stack.length > 0) {\n              x += stack.shift();\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 6: // hlineto\n            while (stack.length > 0) {\n              x += stack.shift();\n              lineTo(x, y);\n              if (stack.length === 0) {\n                break;\n              }\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 7: // vlineto\n            while (stack.length > 0) {\n              y += stack.shift();\n              lineTo(x, y);\n              if (stack.length === 0) {\n                break;\n              }\n              x += stack.shift();\n              lineTo(x, y);\n            }\n            break;\n          case 8: // rrcurveto\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 10: // callsubr\n            n = stack.pop();\n            subrCode = null;\n            if (font.isCFFCIDFont) {\n              const fdIndex = font.fdSelect.getFDIndex(glyphId);\n              if (fdIndex >= 0 && fdIndex < font.fdArray.length) {\n                const fontDict = font.fdArray[fdIndex];\n                let subrs;\n                if (fontDict.privateDict && fontDict.privateDict.subrsIndex) {\n                  subrs = fontDict.privateDict.subrsIndex.objects;\n                }\n                if (subrs) {\n                  // Add subroutine bias.\n                  n += getSubroutineBias(subrs);\n                  subrCode = subrs[n];\n                }\n              } else {\n                warn(\"Invalid fd index for glyph index.\");\n              }\n            } else {\n              subrCode = font.subrs[n + font.subrsBias];\n            }\n            if (subrCode) {\n              parse(subrCode);\n            }\n            break;\n          case 11: // return\n            return;\n          case 12:\n            v = code[i++];\n            switch (v) {\n              case 34: // flex\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                y1 = y + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y, xb, y1, x, y1);\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y1, xb, y, x, y);\n                break;\n              case 35: // flex\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                stack.pop(); // fd\n                break;\n              case 36: // hflex1\n                xa = x + stack.shift();\n                y1 = y + stack.shift();\n                xb = xa + stack.shift();\n                y2 = y1 + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y1, xb, y2, x, y2);\n                xa = x + stack.shift();\n                xb = xa + stack.shift();\n                y3 = y2 + stack.shift();\n                x = xb + stack.shift();\n                bezierCurveTo(xa, y2, xb, y3, x, y);\n                break;\n              case 37: // flex1\n                var x0 = x,\n                  y0 = y;\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb + stack.shift();\n                y = yb + stack.shift();\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                xa = x + stack.shift();\n                ya = y + stack.shift();\n                xb = xa + stack.shift();\n                yb = ya + stack.shift();\n                x = xb;\n                y = yb;\n                if (Math.abs(x - x0) > Math.abs(y - y0)) {\n                  x += stack.shift();\n                } else {\n                  y += stack.shift();\n                }\n                bezierCurveTo(xa, ya, xb, yb, x, y);\n                break;\n              default:\n                throw new FormatError(`unknown operator: 12 ${v}`);\n            }\n            break;\n          case 14: // endchar\n            if (stack.length >= 4) {\n              var achar = stack.pop();\n              var bchar = stack.pop();\n              y = stack.pop();\n              x = stack.pop();\n              cmds.push({ cmd: \"save\" });\n              cmds.push({ cmd: \"translate\", args: [x, y] });\n              var cmap = lookupCmap(\n                font.cmap,\n                String.fromCharCode(font.glyphNameMap[StandardEncoding[achar]])\n              );\n              compileCharString(\n                font.glyphs[cmap.glyphId],\n                cmds,\n                font,\n                cmap.glyphId\n              );\n              cmds.push({ cmd: \"restore\" });\n\n              cmap = lookupCmap(\n                font.cmap,\n                String.fromCharCode(font.glyphNameMap[StandardEncoding[bchar]])\n              );\n              compileCharString(\n                font.glyphs[cmap.glyphId],\n                cmds,\n                font,\n                cmap.glyphId\n              );\n            }\n            return;\n          case 18: // hstemhm\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 19: // hintmask\n            stems += stack.length >> 1;\n            i += (stems + 7) >> 3;\n            stackClean = true;\n            break;\n          case 20: // cntrmask\n            stems += stack.length >> 1;\n            i += (stems + 7) >> 3;\n            stackClean = true;\n            break;\n          case 21: // rmoveto\n            y += stack.pop();\n            x += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 22: // hmoveto\n            x += stack.pop();\n            moveTo(x, y);\n            stackClean = true;\n            break;\n          case 23: // vstemhm\n            stems += stack.length >> 1;\n            stackClean = true;\n            break;\n          case 24: // rcurveline\n            while (stack.length > 2) {\n              xa = x + stack.shift();\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            x += stack.shift();\n            y += stack.shift();\n            lineTo(x, y);\n            break;\n          case 25: // rlinecurve\n            while (stack.length > 6) {\n              x += stack.shift();\n              y += stack.shift();\n              lineTo(x, y);\n            }\n            xa = x + stack.shift();\n            ya = y + stack.shift();\n            xb = xa + stack.shift();\n            yb = ya + stack.shift();\n            x = xb + stack.shift();\n            y = yb + stack.shift();\n            bezierCurveTo(xa, ya, xb, yb, x, y);\n            break;\n          case 26: // vvcurveto\n            if (stack.length % 2) {\n              x += stack.shift();\n            }\n            while (stack.length > 0) {\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb;\n              y = yb + stack.shift();\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 27: // hhcurveto\n            if (stack.length % 2) {\n              y += stack.shift();\n            }\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb;\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 28:\n            stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16);\n            i += 2;\n            break;\n          case 29: // callgsubr\n            n = stack.pop() + font.gsubrsBias;\n            subrCode = font.gsubrs[n];\n            if (subrCode) {\n              parse(subrCode);\n            }\n            break;\n          case 30: // vhcurveto\n            while (stack.length > 0) {\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n              if (stack.length === 0) {\n                break;\n              }\n\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              y = yb + stack.shift();\n              x = xb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          case 31: // hvcurveto\n            while (stack.length > 0) {\n              xa = x + stack.shift();\n              ya = y;\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              y = yb + stack.shift();\n              x = xb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n              if (stack.length === 0) {\n                break;\n              }\n\n              xa = x;\n              ya = y + stack.shift();\n              xb = xa + stack.shift();\n              yb = ya + stack.shift();\n              x = xb + stack.shift();\n              y = yb + (stack.length === 1 ? stack.shift() : 0);\n              bezierCurveTo(xa, ya, xb, yb, x, y);\n            }\n            break;\n          default:\n            if (v < 32) {\n              throw new FormatError(`unknown operator: ${v}`);\n            }\n            if (v < 247) {\n              stack.push(v - 139);\n            } else if (v < 251) {\n              stack.push((v - 247) * 256 + code[i++] + 108);\n            } else if (v < 255) {\n              stack.push(-(v - 251) * 256 - code[i++] - 108);\n            } else {\n              stack.push(\n                ((code[i] << 24) |\n                  (code[i + 1] << 16) |\n                  (code[i + 2] << 8) |\n                  code[i + 3]) /\n                  65536\n              );\n              i += 4;\n            }\n            break;\n        }\n        if (stackClean) {\n          stack.length = 0;\n        }\n      }\n    }\n    parse(charStringCode);\n  }\n\n  const NOOP = [];\n\n  class CompiledFont {\n    constructor(fontMatrix) {\n      if (this.constructor === CompiledFont) {\n        unreachable(\"Cannot initialize CompiledFont.\");\n      }\n      this.fontMatrix = fontMatrix;\n\n      this.compiledGlyphs = Object.create(null);\n      this.compiledCharCodeToGlyphId = Object.create(null);\n    }\n\n    getPathJs(unicode) {\n      const cmap = lookupCmap(this.cmap, unicode);\n      let fn = this.compiledGlyphs[cmap.glyphId];\n      if (!fn) {\n        fn = this.compileGlyph(this.glyphs[cmap.glyphId], cmap.glyphId);\n        this.compiledGlyphs[cmap.glyphId] = fn;\n      }\n      if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) {\n        this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId;\n      }\n      return fn;\n    }\n\n    compileGlyph(code, glyphId) {\n      if (!code || code.length === 0 || code[0] === 14) {\n        return NOOP;\n      }\n\n      let fontMatrix = this.fontMatrix;\n      if (this.isCFFCIDFont) {\n        // Top DICT's FontMatrix can be ignored because CFFCompiler always\n        // removes it and copies to FDArray DICTs.\n        const fdIndex = this.fdSelect.getFDIndex(glyphId);\n        if (fdIndex >= 0 && fdIndex < this.fdArray.length) {\n          const fontDict = this.fdArray[fdIndex];\n          fontMatrix = fontDict.getByName(\"FontMatrix\") || FONT_IDENTITY_MATRIX;\n        } else {\n          warn(\"Invalid fd index for glyph index.\");\n        }\n      }\n\n      const cmds = [];\n      cmds.push({ cmd: \"save\" });\n      cmds.push({ cmd: \"transform\", args: fontMatrix.slice() });\n      cmds.push({ cmd: \"scale\", args: [\"size\", \"-size\"] });\n\n      this.compileGlyphImpl(code, cmds, glyphId);\n\n      cmds.push({ cmd: \"restore\" });\n\n      return cmds;\n    }\n\n    compileGlyphImpl() {\n      unreachable(\"Children classes should implement this.\");\n    }\n\n    hasBuiltPath(unicode) {\n      const cmap = lookupCmap(this.cmap, unicode);\n      return (\n        this.compiledGlyphs[cmap.glyphId] !== undefined &&\n        this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined\n      );\n    }\n  }\n\n  class TrueTypeCompiled extends CompiledFont {\n    constructor(glyphs, cmap, fontMatrix) {\n      super(fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]);\n\n      this.glyphs = glyphs;\n      this.cmap = cmap;\n    }\n\n    compileGlyphImpl(code, cmds) {\n      compileGlyf(code, cmds, this);\n    }\n  }\n\n  class Type2Compiled extends CompiledFont {\n    constructor(cffInfo, cmap, fontMatrix, glyphNameMap) {\n      super(fontMatrix || [0.001, 0, 0, 0.001, 0, 0]);\n\n      this.glyphs = cffInfo.glyphs;\n      this.gsubrs = cffInfo.gsubrs || [];\n      this.subrs = cffInfo.subrs || [];\n      this.cmap = cmap;\n      this.glyphNameMap = glyphNameMap || getGlyphsUnicode();\n\n      this.gsubrsBias = getSubroutineBias(this.gsubrs);\n      this.subrsBias = getSubroutineBias(this.subrs);\n\n      this.isCFFCIDFont = cffInfo.isCFFCIDFont;\n      this.fdSelect = cffInfo.fdSelect;\n      this.fdArray = cffInfo.fdArray;\n    }\n\n    compileGlyphImpl(code, cmds, glyphId) {\n      compileCharString(code, cmds, this, glyphId);\n    }\n  }\n\n  return {\n    create: function FontRendererFactory_create(font, seacAnalysisEnabled) {\n      var data = new Uint8Array(font.data);\n      var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm;\n      var numTables = getUshort(data, 4);\n      for (var i = 0, p = 12; i < numTables; i++, p += 16) {\n        var tag = bytesToString(data.subarray(p, p + 4));\n        var offset = getLong(data, p + 8);\n        var length = getLong(data, p + 12);\n        switch (tag) {\n          case \"cmap\":\n            cmap = parseCmap(data, offset, offset + length);\n            break;\n          case \"glyf\":\n            glyf = data.subarray(offset, offset + length);\n            break;\n          case \"loca\":\n            loca = data.subarray(offset, offset + length);\n            break;\n          case \"head\":\n            unitsPerEm = getUshort(data, offset + 18);\n            indexToLocFormat = getUshort(data, offset + 50);\n            break;\n          case \"CFF \":\n            cff = parseCff(data, offset, offset + length, seacAnalysisEnabled);\n            break;\n        }\n      }\n\n      if (glyf) {\n        var fontMatrix = !unitsPerEm\n          ? font.fontMatrix\n          : [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0];\n        return new TrueTypeCompiled(\n          parseGlyfTable(glyf, loca, indexToLocFormat),\n          cmap,\n          fontMatrix\n        );\n      }\n      return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap);\n    },\n  };\n})();\n\nexport { FontRendererFactory };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getEncoding } from \"./encodings.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\nimport { Stream } from \"./stream.js\";\nimport { warn } from \"../shared/util.js\";\n\n// Hinting is currently disabled due to unknown problems on windows\n// in tracemonkey and various other pdfs with type1 fonts.\nvar HINTING_ENABLED = false;\n\n/*\n * CharStrings are encoded following the the CharString Encoding sequence\n * describe in Chapter 6 of the \"Adobe Type1 Font Format\" specification.\n * The value in a byte indicates a command, a number, or subsequent bytes\n * that are to be interpreted in a special way.\n *\n * CharString Number Encoding:\n *  A CharString byte containing the values from 32 through 255 inclusive\n *  indicate an integer. These values are decoded in four ranges.\n *\n * 1. A CharString byte containing a value, v, between 32 and 246 inclusive,\n * indicate the integer v - 139. Thus, the integer values from -107 through\n * 107 inclusive may be encoded in single byte.\n *\n * 2. A CharString byte containing a value, v, between 247 and 250 inclusive,\n * indicates an integer involving the next byte, w, according to the formula:\n * [(v - 247) x 256] + w + 108\n *\n * 3. A CharString byte containing a value, v, between 251 and 254 inclusive,\n * indicates an integer involving the next byte, w, according to the formula:\n * -[(v - 251) * 256] - w - 108\n *\n * 4. A CharString containing the value 255 indicates that the next 4 bytes\n * are a two complement signed integer. The first of these bytes contains the\n * highest order bits, the second byte contains the next higher order bits\n * and the fourth byte contain the lowest order bits.\n *\n *\n * CharString Command Encoding:\n *  CharStrings commands are encoded in 1 or 2 bytes.\n *\n *  Single byte commands are encoded in 1 byte that contains a value between\n *  0 and 31 inclusive.\n *  If a command byte contains the value 12, then the value in the next byte\n *  indicates a command. This \"escape\" mechanism allows many extra commands\n * to be encoded and this encoding technique helps to minimize the length of\n * the charStrings.\n */\nvar Type1CharString = (function Type1CharStringClosure() {\n  var COMMAND_MAP = {\n    hstem: [1],\n    vstem: [3],\n    vmoveto: [4],\n    rlineto: [5],\n    hlineto: [6],\n    vlineto: [7],\n    rrcurveto: [8],\n    callsubr: [10],\n    flex: [12, 35],\n    drop: [12, 18],\n    endchar: [14],\n    rmoveto: [21],\n    hmoveto: [22],\n    vhcurveto: [30],\n    hvcurveto: [31],\n  };\n\n  // eslint-disable-next-line no-shadow\n  function Type1CharString() {\n    this.width = 0;\n    this.lsb = 0;\n    this.flexing = false;\n    this.output = [];\n    this.stack = [];\n  }\n\n  Type1CharString.prototype = {\n    convert: function Type1CharString_convert(\n      encoded,\n      subrs,\n      seacAnalysisEnabled\n    ) {\n      var count = encoded.length;\n      var error = false;\n      var wx, sbx, subrNumber;\n      for (var i = 0; i < count; i++) {\n        var value = encoded[i];\n        if (value < 32) {\n          if (value === 12) {\n            value = (value << 8) + encoded[++i];\n          }\n          switch (value) {\n            case 1: // hstem\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.hstem);\n              break;\n            case 3: // vstem\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.vstem);\n              break;\n            case 4: // vmoveto\n              if (this.flexing) {\n                if (this.stack.length < 1) {\n                  error = true;\n                  break;\n                }\n                // Add the dx for flex and but also swap the values so they are\n                // the right order.\n                var dy = this.stack.pop();\n                this.stack.push(0, dy);\n                break;\n              }\n              error = this.executeCommand(1, COMMAND_MAP.vmoveto);\n              break;\n            case 5: // rlineto\n              error = this.executeCommand(2, COMMAND_MAP.rlineto);\n              break;\n            case 6: // hlineto\n              error = this.executeCommand(1, COMMAND_MAP.hlineto);\n              break;\n            case 7: // vlineto\n              error = this.executeCommand(1, COMMAND_MAP.vlineto);\n              break;\n            case 8: // rrcurveto\n              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);\n              break;\n            case 9: // closepath\n              // closepath is a Type1 command that does not take argument and is\n              // useless in Type2 and it can simply be ignored.\n              this.stack = [];\n              break;\n            case 10: // callsubr\n              if (this.stack.length < 1) {\n                error = true;\n                break;\n              }\n              subrNumber = this.stack.pop();\n              if (!subrs[subrNumber]) {\n                error = true;\n                break;\n              }\n              error = this.convert(\n                subrs[subrNumber],\n                subrs,\n                seacAnalysisEnabled\n              );\n              break;\n            case 11: // return\n              return error;\n            case 13: // hsbw\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              // To convert to type2 we have to move the width value to the\n              // first part of the charstring and then use hmoveto with lsb.\n              wx = this.stack.pop();\n              sbx = this.stack.pop();\n              this.lsb = sbx;\n              this.width = wx;\n              this.stack.push(wx, sbx);\n              error = this.executeCommand(2, COMMAND_MAP.hmoveto);\n              break;\n            case 14: // endchar\n              this.output.push(COMMAND_MAP.endchar[0]);\n              break;\n            case 21: // rmoveto\n              if (this.flexing) {\n                break;\n              }\n              error = this.executeCommand(2, COMMAND_MAP.rmoveto);\n              break;\n            case 22: // hmoveto\n              if (this.flexing) {\n                // Add the dy for flex.\n                this.stack.push(0);\n                break;\n              }\n              error = this.executeCommand(1, COMMAND_MAP.hmoveto);\n              break;\n            case 30: // vhcurveto\n              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);\n              break;\n            case 31: // hvcurveto\n              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);\n              break;\n            case (12 << 8) + 0: // dotsection\n              // dotsection is a Type1 command to specify some hinting feature\n              // for dots that do not take a parameter and it can safely be\n              // ignored for Type2.\n              this.stack = [];\n              break;\n            case (12 << 8) + 1: // vstem3\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              // [vh]stem3 are Type1 only and Type2 supports [vh]stem with\n              // multiple parameters, so instead of returning [vh]stem3 take a\n              // shortcut and return [vhstem] instead.\n              error = this.executeCommand(2, COMMAND_MAP.vstem);\n              break;\n            case (12 << 8) + 2: // hstem3\n              if (!HINTING_ENABLED) {\n                this.stack = [];\n                break;\n              }\n              // See vstem3.\n              error = this.executeCommand(2, COMMAND_MAP.hstem);\n              break;\n            case (12 << 8) + 6: // seac\n              // seac is like type 2's special endchar but it doesn't use the\n              // first argument asb, so remove it.\n              if (seacAnalysisEnabled) {\n                const asb = this.stack[this.stack.length - 5];\n                this.seac = this.stack.splice(-4, 4);\n                this.seac[0] += this.lsb - asb;\n                error = this.executeCommand(0, COMMAND_MAP.endchar);\n              } else {\n                error = this.executeCommand(4, COMMAND_MAP.endchar);\n              }\n              break;\n            case (12 << 8) + 7: // sbw\n              if (this.stack.length < 4) {\n                error = true;\n                break;\n              }\n              // To convert to type2 we have to move the width value to the\n              // first part of the charstring and then use rmoveto with\n              // (dx, dy). The height argument will not be used for vmtx and\n              // vhea tables reconstruction -- ignoring it.\n              this.stack.pop(); // wy\n              wx = this.stack.pop();\n              var sby = this.stack.pop();\n              sbx = this.stack.pop();\n              this.lsb = sbx;\n              this.width = wx;\n              this.stack.push(wx, sbx, sby);\n              error = this.executeCommand(3, COMMAND_MAP.rmoveto);\n              break;\n            case (12 << 8) + 12: // div\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              var num2 = this.stack.pop();\n              var num1 = this.stack.pop();\n              this.stack.push(num1 / num2);\n              break;\n            case (12 << 8) + 16: // callothersubr\n              if (this.stack.length < 2) {\n                error = true;\n                break;\n              }\n              subrNumber = this.stack.pop();\n              var numArgs = this.stack.pop();\n              if (subrNumber === 0 && numArgs === 3) {\n                var flexArgs = this.stack.splice(this.stack.length - 17, 17);\n                this.stack.push(\n                  flexArgs[2] + flexArgs[0], // bcp1x + rpx\n                  flexArgs[3] + flexArgs[1], // bcp1y + rpy\n                  flexArgs[4], // bcp2x\n                  flexArgs[5], // bcp2y\n                  flexArgs[6], // p2x\n                  flexArgs[7], // p2y\n                  flexArgs[8], // bcp3x\n                  flexArgs[9], // bcp3y\n                  flexArgs[10], // bcp4x\n                  flexArgs[11], // bcp4y\n                  flexArgs[12], // p3x\n                  flexArgs[13], // p3y\n                  flexArgs[14] // flexDepth\n                  // 15 = finalx unused by flex\n                  // 16 = finaly unused by flex\n                );\n                error = this.executeCommand(13, COMMAND_MAP.flex, true);\n                this.flexing = false;\n                this.stack.push(flexArgs[15], flexArgs[16]);\n              } else if (subrNumber === 1 && numArgs === 0) {\n                this.flexing = true;\n              }\n              break;\n            case (12 << 8) + 17: // pop\n              // Ignore this since it is only used with othersubr.\n              break;\n            case (12 << 8) + 33: // setcurrentpoint\n              // Ignore for now.\n              this.stack = [];\n              break;\n            default:\n              warn('Unknown type 1 charstring command of \"' + value + '\"');\n              break;\n          }\n          if (error) {\n            break;\n          }\n          continue;\n        } else if (value <= 246) {\n          value = value - 139;\n        } else if (value <= 250) {\n          value = (value - 247) * 256 + encoded[++i] + 108;\n        } else if (value <= 254) {\n          value = -((value - 251) * 256) - encoded[++i] - 108;\n        } else {\n          value =\n            ((encoded[++i] & 0xff) << 24) |\n            ((encoded[++i] & 0xff) << 16) |\n            ((encoded[++i] & 0xff) << 8) |\n            ((encoded[++i] & 0xff) << 0);\n        }\n        this.stack.push(value);\n      }\n      return error;\n    },\n\n    executeCommand(howManyArgs, command, keepStack) {\n      var stackLength = this.stack.length;\n      if (howManyArgs > stackLength) {\n        return true;\n      }\n      var start = stackLength - howManyArgs;\n      for (var i = start; i < stackLength; i++) {\n        var value = this.stack[i];\n        if (Number.isInteger(value)) {\n          this.output.push(28, (value >> 8) & 0xff, value & 0xff);\n        } else {\n          // fixed point\n          value = (65536 * value) | 0;\n          this.output.push(\n            255,\n            (value >> 24) & 0xff,\n            (value >> 16) & 0xff,\n            (value >> 8) & 0xff,\n            value & 0xff\n          );\n        }\n      }\n      this.output.push.apply(this.output, command);\n      if (keepStack) {\n        this.stack.splice(start, howManyArgs);\n      } else {\n        this.stack.length = 0;\n      }\n      return false;\n    },\n  };\n\n  return Type1CharString;\n})();\n\n/*\n * Type1Parser encapsulate the needed code for parsing a Type1 font\n * program. Some of its logic depends on the Type2 charstrings\n * structure.\n * Note: this doesn't really parse the font since that would require evaluation\n * of PostScript, but it is possible in most cases to extract what we need\n * without a full parse.\n */\nvar Type1Parser = (function Type1ParserClosure() {\n  /*\n   * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence\n   * of Plaintext Bytes. The function took a key as a parameter which can be\n   * for decrypting the eexec block of for decoding charStrings.\n   */\n  var EEXEC_ENCRYPT_KEY = 55665;\n  var CHAR_STRS_ENCRYPT_KEY = 4330;\n\n  function isHexDigit(code) {\n    return (\n      (code >= 48 && code <= 57) || // '0'-'9'\n      (code >= 65 && code <= 70) || // 'A'-'F'\n      (code >= 97 && code <= 102) // 'a'-'f'\n    );\n  }\n\n  function decrypt(data, key, discardNumber) {\n    if (discardNumber >= data.length) {\n      return new Uint8Array(0);\n    }\n    var r = key | 0,\n      c1 = 52845,\n      c2 = 22719,\n      i,\n      j;\n    for (i = 0; i < discardNumber; i++) {\n      r = ((data[i] + r) * c1 + c2) & ((1 << 16) - 1);\n    }\n    var count = data.length - discardNumber;\n    var decrypted = new Uint8Array(count);\n    for (i = discardNumber, j = 0; j < count; i++, j++) {\n      var value = data[i];\n      decrypted[j] = value ^ (r >> 8);\n      r = ((value + r) * c1 + c2) & ((1 << 16) - 1);\n    }\n    return decrypted;\n  }\n\n  function decryptAscii(data, key, discardNumber) {\n    var r = key | 0,\n      c1 = 52845,\n      c2 = 22719;\n    var count = data.length,\n      maybeLength = count >>> 1;\n    var decrypted = new Uint8Array(maybeLength);\n    var i, j;\n    for (i = 0, j = 0; i < count; i++) {\n      var digit1 = data[i];\n      if (!isHexDigit(digit1)) {\n        continue;\n      }\n      i++;\n      var digit2;\n      while (i < count && !isHexDigit((digit2 = data[i]))) {\n        i++;\n      }\n      if (i < count) {\n        var value = parseInt(String.fromCharCode(digit1, digit2), 16);\n        decrypted[j++] = value ^ (r >> 8);\n        r = ((value + r) * c1 + c2) & ((1 << 16) - 1);\n      }\n    }\n    return decrypted.slice(discardNumber, j);\n  }\n\n  function isSpecial(c) {\n    return (\n      c === /* '/' = */ 0x2f ||\n      c === /* '[' = */ 0x5b ||\n      c === /* ']' = */ 0x5d ||\n      c === /* '{' = */ 0x7b ||\n      c === /* '}' = */ 0x7d ||\n      c === /* '(' = */ 0x28 ||\n      c === /* ')' = */ 0x29\n    );\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {\n    if (encrypted) {\n      var data = stream.getBytes();\n      var isBinary = !(\n        (isHexDigit(data[0]) || isWhiteSpace(data[0])) &&\n        isHexDigit(data[1]) &&\n        isHexDigit(data[2]) &&\n        isHexDigit(data[3]) &&\n        isHexDigit(data[4]) &&\n        isHexDigit(data[5]) &&\n        isHexDigit(data[6]) &&\n        isHexDigit(data[7])\n      );\n      stream = new Stream(\n        isBinary\n          ? decrypt(data, EEXEC_ENCRYPT_KEY, 4)\n          : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)\n      );\n    }\n    this.seacAnalysisEnabled = !!seacAnalysisEnabled;\n\n    this.stream = stream;\n    this.nextChar();\n  }\n\n  Type1Parser.prototype = {\n    readNumberArray: function Type1Parser_readNumberArray() {\n      this.getToken(); // read '[' or '{' (arrays can start with either)\n      var array = [];\n      while (true) {\n        var token = this.getToken();\n        if (token === null || token === \"]\" || token === \"}\") {\n          break;\n        }\n        array.push(parseFloat(token || 0));\n      }\n      return array;\n    },\n\n    readNumber: function Type1Parser_readNumber() {\n      var token = this.getToken();\n      return parseFloat(token || 0);\n    },\n\n    readInt: function Type1Parser_readInt() {\n      // Use '| 0' to prevent setting a double into length such as the double\n      // does not flow into the loop variable.\n      var token = this.getToken();\n      return parseInt(token || 0, 10) | 0;\n    },\n\n    readBoolean: function Type1Parser_readBoolean() {\n      var token = this.getToken();\n\n      // Use 1 and 0 since that's what type2 charstrings use.\n      return token === \"true\" ? 1 : 0;\n    },\n\n    nextChar: function Type1_nextChar() {\n      return (this.currentChar = this.stream.getByte());\n    },\n\n    getToken: function Type1Parser_getToken() {\n      // Eat whitespace and comments.\n      var comment = false;\n      var ch = this.currentChar;\n      while (true) {\n        if (ch === -1) {\n          return null;\n        }\n\n        if (comment) {\n          if (ch === 0x0a || ch === 0x0d) {\n            comment = false;\n          }\n        } else if (ch === /* '%' = */ 0x25) {\n          comment = true;\n        } else if (!isWhiteSpace(ch)) {\n          break;\n        }\n        ch = this.nextChar();\n      }\n      if (isSpecial(ch)) {\n        this.nextChar();\n        return String.fromCharCode(ch);\n      }\n      var token = \"\";\n      do {\n        token += String.fromCharCode(ch);\n        ch = this.nextChar();\n      } while (ch >= 0 && !isWhiteSpace(ch) && !isSpecial(ch));\n      return token;\n    },\n\n    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {\n      if (lenIV === -1) {\n        // This isn't in the spec, but Adobe's tx program handles -1\n        // as plain text.\n        return bytes;\n      }\n      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);\n    },\n\n    /*\n     * Returns an object containing a Subrs array and a CharStrings\n     * array extracted from and eexec encrypted block of data\n     */\n    extractFontProgram: function Type1Parser_extractFontProgram(properties) {\n      var stream = this.stream;\n\n      var subrs = [],\n        charstrings = [];\n      var privateData = Object.create(null);\n      privateData.lenIV = 4;\n      var program = {\n        subrs: [],\n        charstrings: [],\n        properties: {\n          privateData,\n        },\n      };\n      var token, length, data, lenIV, encoded;\n      while ((token = this.getToken()) !== null) {\n        if (token !== \"/\") {\n          continue;\n        }\n        token = this.getToken();\n        switch (token) {\n          case \"CharStrings\":\n            // The number immediately following CharStrings must be greater or\n            // equal to the number of CharStrings.\n            this.getToken();\n            this.getToken(); // read in 'dict'\n            this.getToken(); // read in 'dup'\n            this.getToken(); // read in 'begin'\n            while (true) {\n              token = this.getToken();\n              if (token === null || token === \"end\") {\n                break;\n              }\n\n              if (token !== \"/\") {\n                continue;\n              }\n              var glyph = this.getToken();\n              length = this.readInt();\n              this.getToken(); // read in 'RD' or '-|'\n              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);\n              lenIV = program.properties.privateData.lenIV;\n              encoded = this.readCharStrings(data, lenIV);\n              this.nextChar();\n              token = this.getToken(); // read in 'ND' or '|-'\n              if (token === \"noaccess\") {\n                this.getToken(); // read in 'def'\n              }\n              charstrings.push({\n                glyph,\n                encoded,\n              });\n            }\n            break;\n          case \"Subrs\":\n            this.readInt(); // num\n            this.getToken(); // read in 'array'\n            while (this.getToken() === \"dup\") {\n              const index = this.readInt();\n              length = this.readInt();\n              this.getToken(); // read in 'RD' or '-|'\n              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);\n              lenIV = program.properties.privateData.lenIV;\n              encoded = this.readCharStrings(data, lenIV);\n              this.nextChar();\n              token = this.getToken(); // read in 'NP' or '|'\n              if (token === \"noaccess\") {\n                this.getToken(); // read in 'put'\n              }\n              subrs[index] = encoded;\n            }\n            break;\n          case \"BlueValues\":\n          case \"OtherBlues\":\n          case \"FamilyBlues\":\n          case \"FamilyOtherBlues\":\n            var blueArray = this.readNumberArray();\n            // *Blue* values may contain invalid data: disables reading of\n            // those values when hinting is disabled.\n            if (\n              blueArray.length > 0 &&\n              blueArray.length % 2 === 0 &&\n              HINTING_ENABLED\n            ) {\n              program.properties.privateData[token] = blueArray;\n            }\n            break;\n          case \"StemSnapH\":\n          case \"StemSnapV\":\n            program.properties.privateData[token] = this.readNumberArray();\n            break;\n          case \"StdHW\":\n          case \"StdVW\":\n            program.properties.privateData[token] = this.readNumberArray()[0];\n            break;\n          case \"BlueShift\":\n          case \"lenIV\":\n          case \"BlueFuzz\":\n          case \"BlueScale\":\n          case \"LanguageGroup\":\n          case \"ExpansionFactor\":\n            program.properties.privateData[token] = this.readNumber();\n            break;\n          case \"ForceBold\":\n            program.properties.privateData[token] = this.readBoolean();\n            break;\n        }\n      }\n\n      for (var i = 0; i < charstrings.length; i++) {\n        glyph = charstrings[i].glyph;\n        encoded = charstrings[i].encoded;\n        var charString = new Type1CharString();\n        var error = charString.convert(\n          encoded,\n          subrs,\n          this.seacAnalysisEnabled\n        );\n        var output = charString.output;\n        if (error) {\n          // It seems when FreeType encounters an error while evaluating a glyph\n          // that it completely ignores the glyph so we'll mimic that behaviour\n          // here and put an endchar to make the validator happy.\n          output = [14];\n        }\n        const charStringObject = {\n          glyphName: glyph,\n          charstring: output,\n          width: charString.width,\n          lsb: charString.lsb,\n          seac: charString.seac,\n        };\n        if (glyph === \".notdef\") {\n          // Make sure .notdef is at index zero (issue #11477).\n          program.charstrings.unshift(charStringObject);\n        } else {\n          program.charstrings.push(charStringObject);\n        }\n\n        // Attempt to replace missing widths, from the font dictionary /Widths\n        // entry, with ones from the font data (fixes issue11150_reduced.pdf).\n        if (properties.builtInEncoding) {\n          const index = properties.builtInEncoding.indexOf(glyph);\n          if (\n            index > -1 &&\n            properties.widths[index] === undefined &&\n            index >= properties.firstChar &&\n            index <= properties.lastChar\n          ) {\n            properties.widths[index] = charString.width;\n          }\n        }\n      }\n\n      return program;\n    },\n\n    extractFontHeader: function Type1Parser_extractFontHeader(properties) {\n      var token;\n      while ((token = this.getToken()) !== null) {\n        if (token !== \"/\") {\n          continue;\n        }\n        token = this.getToken();\n        switch (token) {\n          case \"FontMatrix\":\n            var matrix = this.readNumberArray();\n            properties.fontMatrix = matrix;\n            break;\n          case \"Encoding\":\n            var encodingArg = this.getToken();\n            var encoding;\n            if (!/^\\d+$/.test(encodingArg)) {\n              // encoding name is specified\n              encoding = getEncoding(encodingArg);\n            } else {\n              encoding = [];\n              var size = parseInt(encodingArg, 10) | 0;\n              this.getToken(); // read in 'array'\n\n              for (var j = 0; j < size; j++) {\n                token = this.getToken();\n                // skipping till first dup or def (e.g. ignoring for statement)\n                while (token !== \"dup\" && token !== \"def\") {\n                  token = this.getToken();\n                  if (token === null) {\n                    return; // invalid header\n                  }\n                }\n                if (token === \"def\") {\n                  break; // read all array data\n                }\n                var index = this.readInt();\n                this.getToken(); // read in '/'\n                var glyph = this.getToken();\n                encoding[index] = glyph;\n                this.getToken(); // read the in 'put'\n              }\n            }\n            properties.builtInEncoding = encoding;\n            break;\n          case \"FontBBox\":\n            var fontBBox = this.readNumberArray();\n            // adjusting ascent/descent\n            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);\n            properties.descent = Math.min(fontBBox[1], fontBBox[3]);\n            properties.ascentScaled = true;\n            break;\n        }\n      }\n    },\n  };\n\n  return Type1Parser;\n})();\n\nexport { Type1Parser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  assert,\n  FormatError,\n  info,\n  unreachable,\n  UNSUPPORTED_FEATURES,\n  Util,\n  warn,\n} from \"../shared/util.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { isStream } from \"./primitives.js\";\nimport { MissingDataException } from \"./core_utils.js\";\n\nvar ShadingType = {\n  FUNCTION_BASED: 1,\n  AXIAL: 2,\n  RADIAL: 3,\n  FREE_FORM_MESH: 4,\n  LATTICE_FORM_MESH: 5,\n  COONS_PATCH_MESH: 6,\n  TENSOR_PATCH_MESH: 7,\n};\n\nvar Pattern = (function PatternClosure() {\n  // Constructor should define this.getPattern\n  // eslint-disable-next-line no-shadow\n  function Pattern() {\n    unreachable(\"should not call Pattern constructor\");\n  }\n\n  Pattern.prototype = {\n    // Input: current Canvas context\n    // Output: the appropriate fillStyle or strokeStyle\n    getPattern: function Pattern_getPattern(ctx) {\n      unreachable(`Should not call Pattern.getStyle: ${ctx}`);\n    },\n  };\n\n  Pattern.parseShading = function (\n    shading,\n    matrix,\n    xref,\n    res,\n    handler,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    var dict = isStream(shading) ? shading.dict : shading;\n    var type = dict.get(\"ShadingType\");\n\n    try {\n      switch (type) {\n        case ShadingType.AXIAL:\n        case ShadingType.RADIAL:\n          // Both radial and axial shadings are handled by RadialAxial shading.\n          return new Shadings.RadialAxial(\n            dict,\n            matrix,\n            xref,\n            res,\n            pdfFunctionFactory,\n            localColorSpaceCache\n          );\n        case ShadingType.FREE_FORM_MESH:\n        case ShadingType.LATTICE_FORM_MESH:\n        case ShadingType.COONS_PATCH_MESH:\n        case ShadingType.TENSOR_PATCH_MESH:\n          return new Shadings.Mesh(\n            shading,\n            matrix,\n            xref,\n            res,\n            pdfFunctionFactory,\n            localColorSpaceCache\n          );\n        default:\n          throw new FormatError(\"Unsupported ShadingType: \" + type);\n      }\n    } catch (ex) {\n      if (ex instanceof MissingDataException) {\n        throw ex;\n      }\n      handler.send(\"UnsupportedFeature\", {\n        featureId: UNSUPPORTED_FEATURES.shadingPattern,\n      });\n      warn(ex);\n      return new Shadings.Dummy();\n    }\n  };\n  return Pattern;\n})();\n\nvar Shadings = {};\n\n// A small number to offset the first/last color stops so we can insert ones to\n// support extend. Number.MIN_VALUE is too small and breaks the extend.\nShadings.SMALL_NUMBER = 1e-6;\n\n// Radial and axial shading have very similar implementations\n// If needed, the implementations can be broken into two classes\nShadings.RadialAxial = (function RadialAxialClosure() {\n  function RadialAxial(\n    dict,\n    matrix,\n    xref,\n    resources,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    this.matrix = matrix;\n    this.coordsArr = dict.getArray(\"Coords\");\n    this.shadingType = dict.get(\"ShadingType\");\n    this.type = \"Pattern\";\n    const cs = ColorSpace.parse({\n      cs: dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\"),\n      xref,\n      resources,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n    this.cs = cs;\n    const bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      this.bbox = Util.normalizeRect(bbox);\n    } else {\n      this.bbox = null;\n    }\n\n    var t0 = 0.0,\n      t1 = 1.0;\n    if (dict.has(\"Domain\")) {\n      var domainArr = dict.getArray(\"Domain\");\n      t0 = domainArr[0];\n      t1 = domainArr[1];\n    }\n\n    var extendStart = false,\n      extendEnd = false;\n    if (dict.has(\"Extend\")) {\n      var extendArr = dict.getArray(\"Extend\");\n      extendStart = extendArr[0];\n      extendEnd = extendArr[1];\n    }\n\n    if (\n      this.shadingType === ShadingType.RADIAL &&\n      (!extendStart || !extendEnd)\n    ) {\n      // Radial gradient only currently works if either circle is fully within\n      // the other circle.\n      var x1 = this.coordsArr[0];\n      var y1 = this.coordsArr[1];\n      var r1 = this.coordsArr[2];\n      var x2 = this.coordsArr[3];\n      var y2 = this.coordsArr[4];\n      var r2 = this.coordsArr[5];\n      var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));\n      if (r1 <= r2 + distance && r2 <= r1 + distance) {\n        warn(\"Unsupported radial gradient.\");\n      }\n    }\n\n    this.extendStart = extendStart;\n    this.extendEnd = extendEnd;\n\n    var fnObj = dict.getRaw(\"Function\");\n    var fn = pdfFunctionFactory.createFromArray(fnObj);\n\n    // 10 samples seems good enough for now, but probably won't work\n    // if there are sharp color changes. Ideally, we would implement\n    // the spec faithfully and add lossless optimizations.\n    const NUMBER_OF_SAMPLES = 10;\n    const step = (t1 - t0) / NUMBER_OF_SAMPLES;\n\n    var colorStops = (this.colorStops = []);\n\n    // Protect against bad domains.\n    if (t0 >= t1 || step <= 0) {\n      // Acrobat doesn't seem to handle these cases so we'll ignore for\n      // now.\n      info(\"Bad shading domain.\");\n      return;\n    }\n\n    var color = new Float32Array(cs.numComps),\n      ratio = new Float32Array(1);\n    var rgbColor;\n    for (let i = 0; i <= NUMBER_OF_SAMPLES; i++) {\n      ratio[0] = t0 + i * step;\n      fn(ratio, 0, color, 0);\n      rgbColor = cs.getRgb(color, 0);\n      var cssColor = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);\n      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);\n    }\n\n    var background = \"transparent\";\n    if (dict.has(\"Background\")) {\n      rgbColor = cs.getRgb(dict.get(\"Background\"), 0);\n      background = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);\n    }\n\n    if (!extendStart) {\n      // Insert a color stop at the front and offset the first real color stop\n      // so it doesn't conflict with the one we insert.\n      colorStops.unshift([0, background]);\n      colorStops[1][0] += Shadings.SMALL_NUMBER;\n    }\n    if (!extendEnd) {\n      // Same idea as above in extendStart but for the end.\n      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;\n      colorStops.push([1, background]);\n    }\n\n    this.colorStops = colorStops;\n  }\n\n  RadialAxial.prototype = {\n    getIR: function RadialAxial_getIR() {\n      var coordsArr = this.coordsArr;\n      var shadingType = this.shadingType;\n      var type, p0, p1, r0, r1;\n      if (shadingType === ShadingType.AXIAL) {\n        p0 = [coordsArr[0], coordsArr[1]];\n        p1 = [coordsArr[2], coordsArr[3]];\n        r0 = null;\n        r1 = null;\n        type = \"axial\";\n      } else if (shadingType === ShadingType.RADIAL) {\n        p0 = [coordsArr[0], coordsArr[1]];\n        p1 = [coordsArr[3], coordsArr[4]];\n        r0 = coordsArr[2];\n        r1 = coordsArr[5];\n        type = \"radial\";\n      } else {\n        unreachable(`getPattern type unknown: ${shadingType}`);\n      }\n\n      var matrix = this.matrix;\n      if (matrix) {\n        p0 = Util.applyTransform(p0, matrix);\n        p1 = Util.applyTransform(p1, matrix);\n        if (shadingType === ShadingType.RADIAL) {\n          var scale = Util.singularValueDecompose2dScale(matrix);\n          r0 *= scale[0];\n          r1 *= scale[1];\n        }\n      }\n\n      return [\"RadialAxial\", type, this.bbox, this.colorStops, p0, p1, r0, r1];\n    },\n  };\n\n  return RadialAxial;\n})();\n\n// All mesh shading. For now, they will be presented as set of the triangles\n// to be drawn on the canvas and rgb color for each vertex.\nShadings.Mesh = (function MeshClosure() {\n  function MeshStreamReader(stream, context) {\n    this.stream = stream;\n    this.context = context;\n    this.buffer = 0;\n    this.bufferLength = 0;\n\n    var numComps = context.numComps;\n    this.tmpCompsBuf = new Float32Array(numComps);\n    var csNumComps = context.colorSpace.numComps;\n    this.tmpCsCompsBuf = context.colorFn\n      ? new Float32Array(csNumComps)\n      : this.tmpCompsBuf;\n  }\n  MeshStreamReader.prototype = {\n    get hasData() {\n      if (this.stream.end) {\n        return this.stream.pos < this.stream.end;\n      }\n      if (this.bufferLength > 0) {\n        return true;\n      }\n      var nextByte = this.stream.getByte();\n      if (nextByte < 0) {\n        return false;\n      }\n      this.buffer = nextByte;\n      this.bufferLength = 8;\n      return true;\n    },\n    readBits: function MeshStreamReader_readBits(n) {\n      var buffer = this.buffer;\n      var bufferLength = this.bufferLength;\n      if (n === 32) {\n        if (bufferLength === 0) {\n          return (\n            ((this.stream.getByte() << 24) |\n              (this.stream.getByte() << 16) |\n              (this.stream.getByte() << 8) |\n              this.stream.getByte()) >>>\n            0\n          );\n        }\n        buffer =\n          (buffer << 24) |\n          (this.stream.getByte() << 16) |\n          (this.stream.getByte() << 8) |\n          this.stream.getByte();\n        var nextByte = this.stream.getByte();\n        this.buffer = nextByte & ((1 << bufferLength) - 1);\n        return (\n          ((buffer << (8 - bufferLength)) |\n            ((nextByte & 0xff) >> bufferLength)) >>>\n          0\n        );\n      }\n      if (n === 8 && bufferLength === 0) {\n        return this.stream.getByte();\n      }\n      while (bufferLength < n) {\n        buffer = (buffer << 8) | this.stream.getByte();\n        bufferLength += 8;\n      }\n      bufferLength -= n;\n      this.bufferLength = bufferLength;\n      this.buffer = buffer & ((1 << bufferLength) - 1);\n      return buffer >> bufferLength;\n    },\n    align: function MeshStreamReader_align() {\n      this.buffer = 0;\n      this.bufferLength = 0;\n    },\n    readFlag: function MeshStreamReader_readFlag() {\n      return this.readBits(this.context.bitsPerFlag);\n    },\n    readCoordinate: function MeshStreamReader_readCoordinate() {\n      var bitsPerCoordinate = this.context.bitsPerCoordinate;\n      var xi = this.readBits(bitsPerCoordinate);\n      var yi = this.readBits(bitsPerCoordinate);\n      var decode = this.context.decode;\n      var scale =\n        bitsPerCoordinate < 32\n          ? 1 / ((1 << bitsPerCoordinate) - 1)\n          : 2.3283064365386963e-10; // 2 ^ -32\n      return [\n        xi * scale * (decode[1] - decode[0]) + decode[0],\n        yi * scale * (decode[3] - decode[2]) + decode[2],\n      ];\n    },\n    readComponents: function MeshStreamReader_readComponents() {\n      var numComps = this.context.numComps;\n      var bitsPerComponent = this.context.bitsPerComponent;\n      var scale =\n        bitsPerComponent < 32\n          ? 1 / ((1 << bitsPerComponent) - 1)\n          : 2.3283064365386963e-10; // 2 ^ -32\n      var decode = this.context.decode;\n      var components = this.tmpCompsBuf;\n      for (var i = 0, j = 4; i < numComps; i++, j += 2) {\n        var ci = this.readBits(bitsPerComponent);\n        components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j];\n      }\n      var color = this.tmpCsCompsBuf;\n      if (this.context.colorFn) {\n        this.context.colorFn(components, 0, color, 0);\n      }\n      return this.context.colorSpace.getRgb(color, 0);\n    },\n  };\n\n  function decodeType4Shading(mesh, reader) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var operators = [];\n    var ps = []; // not maintaining cs since that will match ps\n    var verticesLeft = 0; // assuming we have all data to start a new triangle\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      var coord = reader.readCoordinate();\n      var color = reader.readComponents();\n      if (verticesLeft === 0) {\n        // ignoring flags if we started a triangle\n        if (!(0 <= f && f <= 2)) {\n          throw new FormatError(\"Unknown type4 flag\");\n        }\n        switch (f) {\n          case 0:\n            verticesLeft = 3;\n            break;\n          case 1:\n            ps.push(ps[ps.length - 2], ps[ps.length - 1]);\n            verticesLeft = 1;\n            break;\n          case 2:\n            ps.push(ps[ps.length - 3], ps[ps.length - 1]);\n            verticesLeft = 1;\n            break;\n        }\n        operators.push(f);\n      }\n      ps.push(coords.length);\n      coords.push(coord);\n      colors.push(color);\n      verticesLeft--;\n\n      reader.align();\n    }\n    mesh.figures.push({\n      type: \"triangles\",\n      coords: new Int32Array(ps),\n      colors: new Int32Array(ps),\n    });\n  }\n\n  function decodeType5Shading(mesh, reader, verticesPerRow) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = []; // not maintaining cs since that will match ps\n    while (reader.hasData) {\n      var coord = reader.readCoordinate();\n      var color = reader.readComponents();\n      ps.push(coords.length);\n      coords.push(coord);\n      colors.push(color);\n    }\n    mesh.figures.push({\n      type: \"lattice\",\n      coords: new Int32Array(ps),\n      colors: new Int32Array(ps),\n      verticesPerRow,\n    });\n  }\n\n  var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3;\n  var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20;\n\n  var TRIANGLE_DENSITY = 20; // count of triangles per entire mesh bounds\n\n  var getB = (function getBClosure() {\n    function buildB(count) {\n      var lut = [];\n      for (var i = 0; i <= count; i++) {\n        var t = i / count,\n          t_ = 1 - t;\n        lut.push(\n          new Float32Array([\n            t_ * t_ * t_,\n            3 * t * t_ * t_,\n            3 * t * t * t_,\n            t * t * t,\n          ])\n        );\n      }\n      return lut;\n    }\n    var cache = [];\n\n    // eslint-disable-next-line no-shadow\n    return function getB(count) {\n      if (!cache[count]) {\n        cache[count] = buildB(count);\n      }\n      return cache[count];\n    };\n  })();\n\n  function buildFigureFromPatch(mesh, index) {\n    var figure = mesh.figures[index];\n    assert(figure.type === \"patch\", \"Unexpected patch mesh figure\");\n\n    var coords = mesh.coords,\n      colors = mesh.colors;\n    var pi = figure.coords;\n    var ci = figure.colors;\n\n    var figureMinX = Math.min(\n      coords[pi[0]][0],\n      coords[pi[3]][0],\n      coords[pi[12]][0],\n      coords[pi[15]][0]\n    );\n    var figureMinY = Math.min(\n      coords[pi[0]][1],\n      coords[pi[3]][1],\n      coords[pi[12]][1],\n      coords[pi[15]][1]\n    );\n    var figureMaxX = Math.max(\n      coords[pi[0]][0],\n      coords[pi[3]][0],\n      coords[pi[12]][0],\n      coords[pi[15]][0]\n    );\n    var figureMaxY = Math.max(\n      coords[pi[0]][1],\n      coords[pi[3]][1],\n      coords[pi[12]][1],\n      coords[pi[15]][1]\n    );\n    var splitXBy = Math.ceil(\n      ((figureMaxX - figureMinX) * TRIANGLE_DENSITY) /\n        (mesh.bounds[2] - mesh.bounds[0])\n    );\n    splitXBy = Math.max(\n      MIN_SPLIT_PATCH_CHUNKS_AMOUNT,\n      Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)\n    );\n    var splitYBy = Math.ceil(\n      ((figureMaxY - figureMinY) * TRIANGLE_DENSITY) /\n        (mesh.bounds[3] - mesh.bounds[1])\n    );\n    splitYBy = Math.max(\n      MIN_SPLIT_PATCH_CHUNKS_AMOUNT,\n      Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)\n    );\n\n    var verticesPerRow = splitXBy + 1;\n    var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow);\n    var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow);\n    var k = 0;\n    var cl = new Uint8Array(3),\n      cr = new Uint8Array(3);\n    var c0 = colors[ci[0]],\n      c1 = colors[ci[1]],\n      c2 = colors[ci[2]],\n      c3 = colors[ci[3]];\n    var bRow = getB(splitYBy),\n      bCol = getB(splitXBy);\n    for (var row = 0; row <= splitYBy; row++) {\n      cl[0] = ((c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy) | 0;\n      cl[1] = ((c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy) | 0;\n      cl[2] = ((c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy) | 0;\n\n      cr[0] = ((c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy) | 0;\n      cr[1] = ((c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy) | 0;\n      cr[2] = ((c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy) | 0;\n\n      for (var col = 0; col <= splitXBy; col++, k++) {\n        if (\n          (row === 0 || row === splitYBy) &&\n          (col === 0 || col === splitXBy)\n        ) {\n          continue;\n        }\n        var x = 0,\n          y = 0;\n        var q = 0;\n        for (var i = 0; i <= 3; i++) {\n          for (var j = 0; j <= 3; j++, q++) {\n            var m = bRow[row][i] * bCol[col][j];\n            x += coords[pi[q]][0] * m;\n            y += coords[pi[q]][1] * m;\n          }\n        }\n        figureCoords[k] = coords.length;\n        coords.push([x, y]);\n        figureColors[k] = colors.length;\n        var newColor = new Uint8Array(3);\n        newColor[0] = ((cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy) | 0;\n        newColor[1] = ((cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy) | 0;\n        newColor[2] = ((cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy) | 0;\n        colors.push(newColor);\n      }\n    }\n    figureCoords[0] = pi[0];\n    figureColors[0] = ci[0];\n    figureCoords[splitXBy] = pi[3];\n    figureColors[splitXBy] = ci[1];\n    figureCoords[verticesPerRow * splitYBy] = pi[12];\n    figureColors[verticesPerRow * splitYBy] = ci[2];\n    figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15];\n    figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3];\n\n    mesh.figures[index] = {\n      type: \"lattice\",\n      coords: figureCoords,\n      colors: figureColors,\n      verticesPerRow,\n    };\n  }\n\n  function decodeType6Shading(mesh, reader) {\n    // A special case of Type 7. The p11, p12, p21, p22 automatically filled\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33\n    var cs = new Int32Array(4); // c00, c30, c03, c33\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      if (!(0 <= f && f <= 3)) {\n        throw new FormatError(\"Unknown type6 flag\");\n      }\n      var i, ii;\n      var pi = coords.length;\n      for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) {\n        coords.push(reader.readCoordinate());\n      }\n      var ci = colors.length;\n      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {\n        colors.push(reader.readComponents());\n      }\n      var tmp1, tmp2, tmp3, tmp4;\n      switch (f) {\n        // prettier-ignore\n        case 0:\n          ps[12] = pi + 3; ps[13] = pi + 4;  ps[14] = pi + 5;  ps[15] = pi + 6;\n          ps[ 8] = pi + 2; /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 7;\n          ps[ 4] = pi + 1; /* calculated below              */ ps[ 7] = pi + 8;\n          ps[ 0] = pi;     ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9;\n          cs[2] = ci + 1; cs[3] = ci + 2;\n          cs[0] = ci;     cs[1] = ci + 3;\n          break;\n        // prettier-ignore\n        case 1:\n          tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15];\n          ps[12] = tmp4; ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = tmp3; /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = tmp2; /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = tmp1; ps[ 1] = pi + 7;   ps[ 2] = pi + 6; ps[ 3] = pi + 5;\n          tmp1 = cs[2]; tmp2 = cs[3];\n          cs[2] = tmp2;   cs[3] = ci;\n          cs[0] = tmp1;   cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 2:\n          tmp1 = ps[15];\n          tmp2 = ps[11];\n          ps[12] = ps[3];  ps[13] = pi + 0; ps[14] = pi + 1;   ps[15] = pi + 2;\n          ps[ 8] = ps[7];  /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = tmp2;   /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;  ps[ 1] = pi + 7;   ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[3];\n          cs[2] = cs[1]; cs[3] = ci;\n          cs[0] = tmp1;  cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 3:\n          ps[12] = ps[0];  ps[13] = pi + 0;   ps[14] = pi + 1; ps[15] = pi + 2;\n          ps[ 8] = ps[1];  /* values for 5, 6, 9, 10 are    */ ps[11] = pi + 3;\n          ps[ 4] = ps[2];  /* calculated below              */ ps[ 7] = pi + 4;\n          ps[ 0] = ps[3];  ps[ 1] = pi + 7;   ps[ 2] = pi + 6; ps[ 3] = pi + 5;\n          cs[2] = cs[0]; cs[3] = ci;\n          cs[0] = cs[1]; cs[1] = ci + 1;\n          break;\n      }\n      // set p11, p12, p21, p22\n      ps[5] = coords.length;\n      coords.push([\n        (-4 * coords[ps[0]][0] -\n          coords[ps[15]][0] +\n          6 * (coords[ps[4]][0] + coords[ps[1]][0]) -\n          2 * (coords[ps[12]][0] + coords[ps[3]][0]) +\n          3 * (coords[ps[13]][0] + coords[ps[7]][0])) /\n          9,\n        (-4 * coords[ps[0]][1] -\n          coords[ps[15]][1] +\n          6 * (coords[ps[4]][1] + coords[ps[1]][1]) -\n          2 * (coords[ps[12]][1] + coords[ps[3]][1]) +\n          3 * (coords[ps[13]][1] + coords[ps[7]][1])) /\n          9,\n      ]);\n      ps[6] = coords.length;\n      coords.push([\n        (-4 * coords[ps[3]][0] -\n          coords[ps[12]][0] +\n          6 * (coords[ps[2]][0] + coords[ps[7]][0]) -\n          2 * (coords[ps[0]][0] + coords[ps[15]][0]) +\n          3 * (coords[ps[4]][0] + coords[ps[14]][0])) /\n          9,\n        (-4 * coords[ps[3]][1] -\n          coords[ps[12]][1] +\n          6 * (coords[ps[2]][1] + coords[ps[7]][1]) -\n          2 * (coords[ps[0]][1] + coords[ps[15]][1]) +\n          3 * (coords[ps[4]][1] + coords[ps[14]][1])) /\n          9,\n      ]);\n      ps[9] = coords.length;\n      coords.push([\n        (-4 * coords[ps[12]][0] -\n          coords[ps[3]][0] +\n          6 * (coords[ps[8]][0] + coords[ps[13]][0]) -\n          2 * (coords[ps[0]][0] + coords[ps[15]][0]) +\n          3 * (coords[ps[11]][0] + coords[ps[1]][0])) /\n          9,\n        (-4 * coords[ps[12]][1] -\n          coords[ps[3]][1] +\n          6 * (coords[ps[8]][1] + coords[ps[13]][1]) -\n          2 * (coords[ps[0]][1] + coords[ps[15]][1]) +\n          3 * (coords[ps[11]][1] + coords[ps[1]][1])) /\n          9,\n      ]);\n      ps[10] = coords.length;\n      coords.push([\n        (-4 * coords[ps[15]][0] -\n          coords[ps[0]][0] +\n          6 * (coords[ps[11]][0] + coords[ps[14]][0]) -\n          2 * (coords[ps[12]][0] + coords[ps[3]][0]) +\n          3 * (coords[ps[2]][0] + coords[ps[8]][0])) /\n          9,\n        (-4 * coords[ps[15]][1] -\n          coords[ps[0]][1] +\n          6 * (coords[ps[11]][1] + coords[ps[14]][1]) -\n          2 * (coords[ps[12]][1] + coords[ps[3]][1]) +\n          3 * (coords[ps[2]][1] + coords[ps[8]][1])) /\n          9,\n      ]);\n      mesh.figures.push({\n        type: \"patch\",\n        coords: new Int32Array(ps), // making copies of ps and cs\n        colors: new Int32Array(cs),\n      });\n    }\n  }\n\n  function decodeType7Shading(mesh, reader) {\n    var coords = mesh.coords;\n    var colors = mesh.colors;\n    var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33\n    var cs = new Int32Array(4); // c00, c30, c03, c33\n    while (reader.hasData) {\n      var f = reader.readFlag();\n      if (!(0 <= f && f <= 3)) {\n        throw new FormatError(\"Unknown type7 flag\");\n      }\n      var i, ii;\n      var pi = coords.length;\n      for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) {\n        coords.push(reader.readCoordinate());\n      }\n      var ci = colors.length;\n      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {\n        colors.push(reader.readComponents());\n      }\n      var tmp1, tmp2, tmp3, tmp4;\n      switch (f) {\n        // prettier-ignore\n        case 0:\n          ps[12] = pi + 3; ps[13] = pi + 4;  ps[14] = pi + 5;  ps[15] = pi + 6;\n          ps[ 8] = pi + 2; ps[ 9] = pi + 13; ps[10] = pi + 14; ps[11] = pi + 7;\n          ps[ 4] = pi + 1; ps[ 5] = pi + 12; ps[ 6] = pi + 15; ps[ 7] = pi + 8;\n          ps[ 0] = pi;     ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9;\n          cs[2] = ci + 1; cs[3] = ci + 2;\n          cs[0] = ci;     cs[1] = ci + 3;\n          break;\n        // prettier-ignore\n        case 1:\n          tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15];\n          ps[12] = tmp4;   ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = tmp3;   ps[ 9] = pi + 9;  ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = tmp2;   ps[ 5] = pi + 8;  ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;   ps[ 1] = pi + 7;  ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[2]; tmp2 = cs[3];\n          cs[2] = tmp2;   cs[3] = ci;\n          cs[0] = tmp1;   cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 2:\n          tmp1 = ps[15];\n          tmp2 = ps[11];\n          ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = ps[7]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = tmp2;  ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = tmp1;  ps[ 1] = pi + 7; ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          tmp1 = cs[3];\n          cs[2] = cs[1]; cs[3] = ci;\n          cs[0] = tmp1;  cs[1] = ci + 1;\n          break;\n        // prettier-ignore\n        case 3:\n          ps[12] = ps[0];  ps[13] = pi + 0;  ps[14] = pi + 1;  ps[15] = pi + 2;\n          ps[ 8] = ps[1];  ps[ 9] = pi + 9;  ps[10] = pi + 10; ps[11] = pi + 3;\n          ps[ 4] = ps[2];  ps[ 5] = pi + 8;  ps[ 6] = pi + 11; ps[ 7] = pi + 4;\n          ps[ 0] = ps[3];  ps[ 1] = pi + 7;  ps[ 2] = pi + 6;  ps[ 3] = pi + 5;\n          cs[2] = cs[0]; cs[3] = ci;\n          cs[0] = cs[1]; cs[1] = ci + 1;\n          break;\n      }\n      mesh.figures.push({\n        type: \"patch\",\n        coords: new Int32Array(ps), // making copies of ps and cs\n        colors: new Int32Array(cs),\n      });\n    }\n  }\n\n  function updateBounds(mesh) {\n    var minX = mesh.coords[0][0],\n      minY = mesh.coords[0][1],\n      maxX = minX,\n      maxY = minY;\n    for (var i = 1, ii = mesh.coords.length; i < ii; i++) {\n      var x = mesh.coords[i][0],\n        y = mesh.coords[i][1];\n      minX = minX > x ? x : minX;\n      minY = minY > y ? y : minY;\n      maxX = maxX < x ? x : maxX;\n      maxY = maxY < y ? y : maxY;\n    }\n    mesh.bounds = [minX, minY, maxX, maxY];\n  }\n\n  function packData(mesh) {\n    var i, ii, j, jj;\n\n    var coords = mesh.coords;\n    var coordsPacked = new Float32Array(coords.length * 2);\n    for (i = 0, j = 0, ii = coords.length; i < ii; i++) {\n      var xy = coords[i];\n      coordsPacked[j++] = xy[0];\n      coordsPacked[j++] = xy[1];\n    }\n    mesh.coords = coordsPacked;\n\n    var colors = mesh.colors;\n    var colorsPacked = new Uint8Array(colors.length * 3);\n    for (i = 0, j = 0, ii = colors.length; i < ii; i++) {\n      var c = colors[i];\n      colorsPacked[j++] = c[0];\n      colorsPacked[j++] = c[1];\n      colorsPacked[j++] = c[2];\n    }\n    mesh.colors = colorsPacked;\n\n    var figures = mesh.figures;\n    for (i = 0, ii = figures.length; i < ii; i++) {\n      var figure = figures[i],\n        ps = figure.coords,\n        cs = figure.colors;\n      for (j = 0, jj = ps.length; j < jj; j++) {\n        ps[j] *= 2;\n        cs[j] *= 3;\n      }\n    }\n  }\n\n  function Mesh(\n    stream,\n    matrix,\n    xref,\n    resources,\n    pdfFunctionFactory,\n    localColorSpaceCache\n  ) {\n    if (!isStream(stream)) {\n      throw new FormatError(\"Mesh data is not a stream\");\n    }\n    var dict = stream.dict;\n    this.matrix = matrix;\n    this.shadingType = dict.get(\"ShadingType\");\n    this.type = \"Pattern\";\n    const bbox = dict.getArray(\"BBox\");\n    if (Array.isArray(bbox) && bbox.length === 4) {\n      this.bbox = Util.normalizeRect(bbox);\n    } else {\n      this.bbox = null;\n    }\n    const cs = ColorSpace.parse({\n      cs: dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\"),\n      xref,\n      resources,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n    this.cs = cs;\n    this.background = dict.has(\"Background\")\n      ? cs.getRgb(dict.get(\"Background\"), 0)\n      : null;\n\n    var fnObj = dict.getRaw(\"Function\");\n    var fn = fnObj ? pdfFunctionFactory.createFromArray(fnObj) : null;\n\n    this.coords = [];\n    this.colors = [];\n    this.figures = [];\n\n    var decodeContext = {\n      bitsPerCoordinate: dict.get(\"BitsPerCoordinate\"),\n      bitsPerComponent: dict.get(\"BitsPerComponent\"),\n      bitsPerFlag: dict.get(\"BitsPerFlag\"),\n      decode: dict.getArray(\"Decode\"),\n      colorFn: fn,\n      colorSpace: cs,\n      numComps: fn ? 1 : cs.numComps,\n    };\n    var reader = new MeshStreamReader(stream, decodeContext);\n\n    var patchMesh = false;\n    switch (this.shadingType) {\n      case ShadingType.FREE_FORM_MESH:\n        decodeType4Shading(this, reader);\n        break;\n      case ShadingType.LATTICE_FORM_MESH:\n        var verticesPerRow = dict.get(\"VerticesPerRow\") | 0;\n        if (verticesPerRow < 2) {\n          throw new FormatError(\"Invalid VerticesPerRow\");\n        }\n        decodeType5Shading(this, reader, verticesPerRow);\n        break;\n      case ShadingType.COONS_PATCH_MESH:\n        decodeType6Shading(this, reader);\n        patchMesh = true;\n        break;\n      case ShadingType.TENSOR_PATCH_MESH:\n        decodeType7Shading(this, reader);\n        patchMesh = true;\n        break;\n      default:\n        unreachable(\"Unsupported mesh type.\");\n        break;\n    }\n\n    if (patchMesh) {\n      // dirty bounds calculation for determining, how dense shall be triangles\n      updateBounds(this);\n      for (var i = 0, ii = this.figures.length; i < ii; i++) {\n        buildFigureFromPatch(this, i);\n      }\n    }\n    // calculate bounds\n    updateBounds(this);\n\n    packData(this);\n  }\n\n  Mesh.prototype = {\n    getIR: function Mesh_getIR() {\n      return [\n        \"Mesh\",\n        this.shadingType,\n        this.coords,\n        this.colors,\n        this.figures,\n        this.bounds,\n        this.matrix,\n        this.bbox,\n        this.background,\n      ];\n    },\n  };\n\n  return Mesh;\n})();\n\nShadings.Dummy = (function DummyClosure() {\n  function Dummy() {\n    this.type = \"Pattern\";\n  }\n\n  Dummy.prototype = {\n    getIR: function Dummy_getIR() {\n      return [\"Dummy\"];\n    },\n  };\n  return Dummy;\n})();\n\nfunction getTilingPatternIR(operatorList, dict, args) {\n  const matrix = dict.getArray(\"Matrix\");\n  const bbox = Util.normalizeRect(dict.getArray(\"BBox\"));\n  const xstep = dict.get(\"XStep\");\n  const ystep = dict.get(\"YStep\");\n  const paintType = dict.get(\"PaintType\");\n  const tilingType = dict.get(\"TilingType\");\n\n  // Ensure that the pattern has a non-zero width and height, to prevent errors\n  // in `pattern_helper.js` (fixes issue8330.pdf).\n  if (bbox[2] - bbox[0] === 0 || bbox[3] - bbox[1] === 0) {\n    throw new FormatError(`Invalid getTilingPatternIR /BBox array: [${bbox}].`);\n  }\n\n  return [\n    \"TilingPattern\",\n    args,\n    operatorList,\n    matrix,\n    bbox,\n    xstep,\n    ystep,\n    paintType,\n    tilingType,\n  ];\n}\n\nexport { Pattern, getTilingPatternIR };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Dict, isDict, isStream, Ref } from \"./primitives.js\";\nimport {\n  FormatError,\n  info,\n  isBool,\n  IsEvalSupportedCached,\n  unreachable,\n} from \"../shared/util.js\";\nimport { PostScriptLexer, PostScriptParser } from \"./ps_parser.js\";\nimport { LocalFunctionCache } from \"./image_utils.js\";\n\nclass PDFFunctionFactory {\n  constructor({ xref, isEvalSupported = true }) {\n    this.xref = xref;\n    this.isEvalSupported = isEvalSupported !== false;\n    this._localFunctionCache = null; // Initialized lazily.\n  }\n\n  create(fn) {\n    const cachedFunction = this.getCached(fn);\n    if (cachedFunction) {\n      return cachedFunction;\n    }\n    const parsedFunction = PDFFunction.parse({\n      xref: this.xref,\n      isEvalSupported: this.isEvalSupported,\n      fn: fn instanceof Ref ? this.xref.fetch(fn) : fn,\n    });\n\n    // Attempt to cache the parsed Function, by reference.\n    this._cache(fn, parsedFunction);\n\n    return parsedFunction;\n  }\n\n  createFromArray(fnObj) {\n    const cachedFunction = this.getCached(fnObj);\n    if (cachedFunction) {\n      return cachedFunction;\n    }\n    const parsedFunction = PDFFunction.parseArray({\n      xref: this.xref,\n      isEvalSupported: this.isEvalSupported,\n      fnObj: fnObj instanceof Ref ? this.xref.fetch(fnObj) : fnObj,\n    });\n\n    // Attempt to cache the parsed Function, by reference.\n    this._cache(fnObj, parsedFunction);\n\n    return parsedFunction;\n  }\n\n  getCached(cacheKey) {\n    let fnRef;\n    if (cacheKey instanceof Ref) {\n      fnRef = cacheKey;\n    } else if (cacheKey instanceof Dict) {\n      fnRef = cacheKey.objId;\n    } else if (isStream(cacheKey)) {\n      fnRef = cacheKey.dict && cacheKey.dict.objId;\n    }\n    if (fnRef) {\n      if (!this._localFunctionCache) {\n        this._localFunctionCache = new LocalFunctionCache();\n      }\n      const localFunction = this._localFunctionCache.getByRef(fnRef);\n      if (localFunction) {\n        return localFunction;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * @private\n   */\n  _cache(cacheKey, parsedFunction) {\n    if (!parsedFunction) {\n      throw new Error(\n        'PDFFunctionFactory._cache - expected \"parsedFunction\" argument.'\n      );\n    }\n    let fnRef;\n    if (cacheKey instanceof Ref) {\n      fnRef = cacheKey;\n    } else if (cacheKey instanceof Dict) {\n      fnRef = cacheKey.objId;\n    } else if (isStream(cacheKey)) {\n      fnRef = cacheKey.dict && cacheKey.dict.objId;\n    }\n    if (fnRef) {\n      if (!this._localFunctionCache) {\n        this._localFunctionCache = new LocalFunctionCache();\n      }\n      this._localFunctionCache.set(/* name = */ null, fnRef, parsedFunction);\n    }\n  }\n}\n\nfunction toNumberArray(arr) {\n  if (!Array.isArray(arr)) {\n    return null;\n  }\n  const length = arr.length;\n  for (let i = 0; i < length; i++) {\n    if (typeof arr[i] !== \"number\") {\n      // Non-number is found -- convert all items to numbers.\n      const result = new Array(length);\n      for (let j = 0; j < length; j++) {\n        result[j] = +arr[j];\n      }\n      return result;\n    }\n  }\n  return arr;\n}\n\nvar PDFFunction = (function PDFFunctionClosure() {\n  const CONSTRUCT_SAMPLED = 0;\n  const CONSTRUCT_INTERPOLATED = 2;\n  const CONSTRUCT_STICHED = 3;\n  const CONSTRUCT_POSTSCRIPT = 4;\n\n  return {\n    getSampleArray(size, outputSize, bps, stream) {\n      var i, ii;\n      var length = 1;\n      for (i = 0, ii = size.length; i < ii; i++) {\n        length *= size[i];\n      }\n      length *= outputSize;\n\n      var array = new Array(length);\n      var codeSize = 0;\n      var codeBuf = 0;\n      // 32 is a valid bps so shifting won't work\n      var sampleMul = 1.0 / (2.0 ** bps - 1);\n\n      var strBytes = stream.getBytes((length * bps + 7) / 8);\n      var strIdx = 0;\n      for (i = 0; i < length; i++) {\n        while (codeSize < bps) {\n          codeBuf <<= 8;\n          codeBuf |= strBytes[strIdx++];\n          codeSize += 8;\n        }\n        codeSize -= bps;\n        array[i] = (codeBuf >> codeSize) * sampleMul;\n        codeBuf &= (1 << codeSize) - 1;\n      }\n      return array;\n    },\n\n    getIR({ xref, isEvalSupported, fn }) {\n      var dict = fn.dict;\n      if (!dict) {\n        dict = fn;\n      }\n\n      var types = [\n        this.constructSampled,\n        null,\n        this.constructInterpolated,\n        this.constructStiched,\n        this.constructPostScript,\n      ];\n\n      var typeNum = dict.get(\"FunctionType\");\n      var typeFn = types[typeNum];\n      if (!typeFn) {\n        throw new FormatError(\"Unknown type of function\");\n      }\n\n      return typeFn.call(this, { xref, isEvalSupported, fn, dict });\n    },\n\n    fromIR({ xref, isEvalSupported, IR }) {\n      var type = IR[0];\n      switch (type) {\n        case CONSTRUCT_SAMPLED:\n          return this.constructSampledFromIR({ xref, isEvalSupported, IR });\n        case CONSTRUCT_INTERPOLATED:\n          return this.constructInterpolatedFromIR({\n            xref,\n            isEvalSupported,\n            IR,\n          });\n        case CONSTRUCT_STICHED:\n          return this.constructStichedFromIR({ xref, isEvalSupported, IR });\n        // case CONSTRUCT_POSTSCRIPT:\n        default:\n          return this.constructPostScriptFromIR({ xref, isEvalSupported, IR });\n      }\n    },\n\n    parse({ xref, isEvalSupported, fn }) {\n      const IR = this.getIR({ xref, isEvalSupported, fn });\n      return this.fromIR({ xref, isEvalSupported, IR });\n    },\n\n    parseArray({ xref, isEvalSupported, fnObj }) {\n      if (!Array.isArray(fnObj)) {\n        // not an array -- parsing as regular function\n        return this.parse({ xref, isEvalSupported, fn: fnObj });\n      }\n\n      var fnArray = [];\n      for (var j = 0, jj = fnObj.length; j < jj; j++) {\n        fnArray.push(\n          this.parse({ xref, isEvalSupported, fn: xref.fetchIfRef(fnObj[j]) })\n        );\n      }\n      return function (src, srcOffset, dest, destOffset) {\n        for (var i = 0, ii = fnArray.length; i < ii; i++) {\n          fnArray[i](src, srcOffset, dest, destOffset + i);\n        }\n      };\n    },\n\n    constructSampled({ xref, isEvalSupported, fn, dict }) {\n      function toMultiArray(arr) {\n        var inputLength = arr.length;\n        var out = [];\n        var index = 0;\n        for (var i = 0; i < inputLength; i += 2) {\n          out[index] = [arr[i], arr[i + 1]];\n          ++index;\n        }\n        return out;\n      }\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n      var range = toNumberArray(dict.getArray(\"Range\"));\n\n      if (!domain || !range) {\n        throw new FormatError(\"No domain or range\");\n      }\n\n      var inputSize = domain.length / 2;\n      var outputSize = range.length / 2;\n\n      domain = toMultiArray(domain);\n      range = toMultiArray(range);\n\n      var size = toNumberArray(dict.getArray(\"Size\"));\n      var bps = dict.get(\"BitsPerSample\");\n      var order = dict.get(\"Order\") || 1;\n      if (order !== 1) {\n        // No description how cubic spline interpolation works in PDF32000:2008\n        // As in poppler, ignoring order, linear interpolation may work as good\n        info(\"No support for cubic spline interpolation: \" + order);\n      }\n\n      var encode = toNumberArray(dict.getArray(\"Encode\"));\n      if (!encode) {\n        encode = [];\n        for (var i = 0; i < inputSize; ++i) {\n          encode.push([0, size[i] - 1]);\n        }\n      } else {\n        encode = toMultiArray(encode);\n      }\n\n      var decode = toNumberArray(dict.getArray(\"Decode\"));\n      if (!decode) {\n        decode = range;\n      } else {\n        decode = toMultiArray(decode);\n      }\n\n      var samples = this.getSampleArray(size, outputSize, bps, fn);\n\n      return [\n        CONSTRUCT_SAMPLED,\n        inputSize,\n        domain,\n        encode,\n        decode,\n        samples,\n        size,\n        outputSize,\n        2 ** bps - 1,\n        range,\n      ];\n    },\n\n    constructSampledFromIR({ xref, isEvalSupported, IR }) {\n      // See chapter 3, page 109 of the PDF reference\n      function interpolate(x, xmin, xmax, ymin, ymax) {\n        return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin));\n      }\n\n      return function constructSampledFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        // See chapter 3, page 110 of the PDF reference.\n        var m = IR[1];\n        var domain = IR[2];\n        var encode = IR[3];\n        var decode = IR[4];\n        var samples = IR[5];\n        var size = IR[6];\n        var n = IR[7];\n        // var mask = IR[8];\n        var range = IR[9];\n\n        // Building the cube vertices: its part and sample index\n        // http://rjwagner49.com/Mathematics/Interpolation.pdf\n        var cubeVertices = 1 << m;\n        var cubeN = new Float64Array(cubeVertices);\n        var cubeVertex = new Uint32Array(cubeVertices);\n        var i, j;\n        for (j = 0; j < cubeVertices; j++) {\n          cubeN[j] = 1;\n        }\n\n        var k = n,\n          pos = 1;\n        // Map x_i to y_j for 0 <= i < m using the sampled function.\n        for (i = 0; i < m; ++i) {\n          // x_i' = min(max(x_i, Domain_2i), Domain_2i+1)\n          var domain_2i = domain[i][0];\n          var domain_2i_1 = domain[i][1];\n          var xi = Math.min(\n            Math.max(src[srcOffset + i], domain_2i),\n            domain_2i_1\n          );\n\n          // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1,\n          //                   Encode_2i, Encode_2i+1)\n          var e = interpolate(\n            xi,\n            domain_2i,\n            domain_2i_1,\n            encode[i][0],\n            encode[i][1]\n          );\n\n          // e_i' = min(max(e_i, 0), Size_i - 1)\n          var size_i = size[i];\n          e = Math.min(Math.max(e, 0), size_i - 1);\n\n          // Adjusting the cube: N and vertex sample index\n          var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1;\n          var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0);\n          var n1 = e - e0; // (e - e0) / (e1 - e0);\n          var offset0 = e0 * k;\n          var offset1 = offset0 + k; // e1 * k\n          for (j = 0; j < cubeVertices; j++) {\n            if (j & pos) {\n              cubeN[j] *= n1;\n              cubeVertex[j] += offset1;\n            } else {\n              cubeN[j] *= n0;\n              cubeVertex[j] += offset0;\n            }\n          }\n\n          k *= size_i;\n          pos <<= 1;\n        }\n\n        for (j = 0; j < n; ++j) {\n          // Sum all cube vertices' samples portions\n          var rj = 0;\n          for (i = 0; i < cubeVertices; i++) {\n            rj += samples[cubeVertex[i] + j] * cubeN[i];\n          }\n\n          // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1,\n          //                    Decode_2j, Decode_2j+1)\n          rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);\n\n          // y_j = min(max(r_j, range_2j), range_2j+1)\n          dest[destOffset + j] = Math.min(\n            Math.max(rj, range[j][0]),\n            range[j][1]\n          );\n        }\n      };\n    },\n\n    constructInterpolated({ xref, isEvalSupported, fn, dict }) {\n      var c0 = toNumberArray(dict.getArray(\"C0\")) || [0];\n      var c1 = toNumberArray(dict.getArray(\"C1\")) || [1];\n      var n = dict.get(\"N\");\n\n      var length = c0.length;\n      var diff = [];\n      for (var i = 0; i < length; ++i) {\n        diff.push(c1[i] - c0[i]);\n      }\n\n      return [CONSTRUCT_INTERPOLATED, c0, diff, n];\n    },\n\n    constructInterpolatedFromIR({ xref, isEvalSupported, IR }) {\n      var c0 = IR[1];\n      var diff = IR[2];\n      var n = IR[3];\n\n      var length = diff.length;\n\n      return function constructInterpolatedFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var x = n === 1 ? src[srcOffset] : src[srcOffset] ** n;\n\n        for (var j = 0; j < length; ++j) {\n          dest[destOffset + j] = c0[j] + x * diff[j];\n        }\n      };\n    },\n\n    constructStiched({ xref, isEvalSupported, fn, dict }) {\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n\n      if (!domain) {\n        throw new FormatError(\"No domain\");\n      }\n\n      var inputSize = domain.length / 2;\n      if (inputSize !== 1) {\n        throw new FormatError(\"Bad domain for stiched function\");\n      }\n\n      var fnRefs = dict.get(\"Functions\");\n      var fns = [];\n      for (var i = 0, ii = fnRefs.length; i < ii; ++i) {\n        fns.push(\n          this.parse({ xref, isEvalSupported, fn: xref.fetchIfRef(fnRefs[i]) })\n        );\n      }\n\n      var bounds = toNumberArray(dict.getArray(\"Bounds\"));\n      var encode = toNumberArray(dict.getArray(\"Encode\"));\n\n      return [CONSTRUCT_STICHED, domain, bounds, encode, fns];\n    },\n\n    constructStichedFromIR({ xref, isEvalSupported, IR }) {\n      var domain = IR[1];\n      var bounds = IR[2];\n      var encode = IR[3];\n      var fns = IR[4];\n      var tmpBuf = new Float32Array(1);\n\n      return function constructStichedFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var clip = function constructStichedFromIRClip(v, min, max) {\n          if (v > max) {\n            v = max;\n          } else if (v < min) {\n            v = min;\n          }\n          return v;\n        };\n\n        // clip to domain\n        var v = clip(src[srcOffset], domain[0], domain[1]);\n        // calculate which bound the value is in\n        for (var i = 0, ii = bounds.length; i < ii; ++i) {\n          if (v < bounds[i]) {\n            break;\n          }\n        }\n\n        // encode value into domain of function\n        var dmin = domain[0];\n        if (i > 0) {\n          dmin = bounds[i - 1];\n        }\n        var dmax = domain[1];\n        if (i < bounds.length) {\n          dmax = bounds[i];\n        }\n\n        var rmin = encode[2 * i];\n        var rmax = encode[2 * i + 1];\n\n        // Prevent the value from becoming NaN as a result\n        // of division by zero (fixes issue6113.pdf).\n        tmpBuf[0] =\n          dmin === dmax\n            ? rmin\n            : rmin + ((v - dmin) * (rmax - rmin)) / (dmax - dmin);\n\n        // call the appropriate function\n        fns[i](tmpBuf, 0, dest, destOffset);\n      };\n    },\n\n    constructPostScript({ xref, isEvalSupported, fn, dict }) {\n      var domain = toNumberArray(dict.getArray(\"Domain\"));\n      var range = toNumberArray(dict.getArray(\"Range\"));\n\n      if (!domain) {\n        throw new FormatError(\"No domain.\");\n      }\n\n      if (!range) {\n        throw new FormatError(\"No range.\");\n      }\n\n      var lexer = new PostScriptLexer(fn);\n      var parser = new PostScriptParser(lexer);\n      var code = parser.parse();\n\n      return [CONSTRUCT_POSTSCRIPT, domain, range, code];\n    },\n\n    constructPostScriptFromIR({ xref, isEvalSupported, IR }) {\n      var domain = IR[1];\n      var range = IR[2];\n      var code = IR[3];\n\n      if (isEvalSupported && IsEvalSupportedCached.value) {\n        const compiled = new PostScriptCompiler().compile(code, domain, range);\n        if (compiled) {\n          // Compiled function consists of simple expressions such as addition,\n          // subtraction, Math.max, and also contains 'var' and 'return'\n          // statements. See the generation in the PostScriptCompiler below.\n          // eslint-disable-next-line no-new-func\n          return new Function(\n            \"src\",\n            \"srcOffset\",\n            \"dest\",\n            \"destOffset\",\n            compiled\n          );\n        }\n      }\n      info(\"Unable to compile PS function\");\n\n      var numOutputs = range.length >> 1;\n      var numInputs = domain.length >> 1;\n      var evaluator = new PostScriptEvaluator(code);\n      // Cache the values for a big speed up, the cache size is limited though\n      // since the number of possible values can be huge from a PS function.\n      var cache = Object.create(null);\n      // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values\n      // seen in our tests.\n      var MAX_CACHE_SIZE = 2048 * 4;\n      var cache_available = MAX_CACHE_SIZE;\n      var tmpBuf = new Float32Array(numInputs);\n\n      return function constructPostScriptFromIRResult(\n        src,\n        srcOffset,\n        dest,\n        destOffset\n      ) {\n        var i, value;\n        var key = \"\";\n        var input = tmpBuf;\n        for (i = 0; i < numInputs; i++) {\n          value = src[srcOffset + i];\n          input[i] = value;\n          key += value + \"_\";\n        }\n\n        var cachedValue = cache[key];\n        if (cachedValue !== undefined) {\n          dest.set(cachedValue, destOffset);\n          return;\n        }\n\n        var output = new Float32Array(numOutputs);\n        var stack = evaluator.execute(input);\n        var stackIndex = stack.length - numOutputs;\n        for (i = 0; i < numOutputs; i++) {\n          value = stack[stackIndex + i];\n          var bound = range[i * 2];\n          if (value < bound) {\n            value = bound;\n          } else {\n            bound = range[i * 2 + 1];\n            if (value > bound) {\n              value = bound;\n            }\n          }\n          output[i] = value;\n        }\n        if (cache_available > 0) {\n          cache_available--;\n          cache[key] = output;\n        }\n        dest.set(output, destOffset);\n      };\n    },\n  };\n})();\n\nfunction isPDFFunction(v) {\n  var fnDict;\n  if (typeof v !== \"object\") {\n    return false;\n  } else if (isDict(v)) {\n    fnDict = v;\n  } else if (isStream(v)) {\n    fnDict = v.dict;\n  } else {\n    return false;\n  }\n  return fnDict.has(\"FunctionType\");\n}\n\nvar PostScriptStack = (function PostScriptStackClosure() {\n  var MAX_STACK_SIZE = 100;\n\n  // eslint-disable-next-line no-shadow\n  function PostScriptStack(initialStack) {\n    this.stack = !initialStack\n      ? []\n      : Array.prototype.slice.call(initialStack, 0);\n  }\n\n  PostScriptStack.prototype = {\n    push: function PostScriptStack_push(value) {\n      if (this.stack.length >= MAX_STACK_SIZE) {\n        throw new Error(\"PostScript function stack overflow.\");\n      }\n      this.stack.push(value);\n    },\n    pop: function PostScriptStack_pop() {\n      if (this.stack.length <= 0) {\n        throw new Error(\"PostScript function stack underflow.\");\n      }\n      return this.stack.pop();\n    },\n    copy: function PostScriptStack_copy(n) {\n      if (this.stack.length + n >= MAX_STACK_SIZE) {\n        throw new Error(\"PostScript function stack overflow.\");\n      }\n      var stack = this.stack;\n      for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) {\n        stack.push(stack[i]);\n      }\n    },\n    index: function PostScriptStack_index(n) {\n      this.push(this.stack[this.stack.length - n - 1]);\n    },\n    // rotate the last n stack elements p times\n    roll: function PostScriptStack_roll(n, p) {\n      var stack = this.stack;\n      var l = stack.length - n;\n      var r = stack.length - 1,\n        c = l + (p - Math.floor(p / n) * n),\n        i,\n        j,\n        t;\n      for (i = l, j = r; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n      for (i = l, j = c - 1; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n      for (i = c, j = r; i < j; i++, j--) {\n        t = stack[i];\n        stack[i] = stack[j];\n        stack[j] = t;\n      }\n    },\n  };\n  return PostScriptStack;\n})();\nvar PostScriptEvaluator = (function PostScriptEvaluatorClosure() {\n  // eslint-disable-next-line no-shadow\n  function PostScriptEvaluator(operators) {\n    this.operators = operators;\n  }\n  PostScriptEvaluator.prototype = {\n    execute: function PostScriptEvaluator_execute(initialStack) {\n      var stack = new PostScriptStack(initialStack);\n      var counter = 0;\n      var operators = this.operators;\n      var length = operators.length;\n      var operator, a, b;\n      while (counter < length) {\n        operator = operators[counter++];\n        if (typeof operator === \"number\") {\n          // Operator is really an operand and should be pushed to the stack.\n          stack.push(operator);\n          continue;\n        }\n        switch (operator) {\n          // non standard ps operators\n          case \"jz\": // jump if false\n            b = stack.pop();\n            a = stack.pop();\n            if (!a) {\n              counter = b;\n            }\n            break;\n          case \"j\": // jump\n            a = stack.pop();\n            counter = a;\n            break;\n\n          // all ps operators in alphabetical order (excluding if/ifelse)\n          case \"abs\":\n            a = stack.pop();\n            stack.push(Math.abs(a));\n            break;\n          case \"add\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a + b);\n            break;\n          case \"and\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a && b);\n            } else {\n              stack.push(a & b);\n            }\n            break;\n          case \"atan\":\n            a = stack.pop();\n            stack.push(Math.atan(a));\n            break;\n          case \"bitshift\":\n            b = stack.pop();\n            a = stack.pop();\n            if (a > 0) {\n              stack.push(a << b);\n            } else {\n              stack.push(a >> b);\n            }\n            break;\n          case \"ceiling\":\n            a = stack.pop();\n            stack.push(Math.ceil(a));\n            break;\n          case \"copy\":\n            a = stack.pop();\n            stack.copy(a);\n            break;\n          case \"cos\":\n            a = stack.pop();\n            stack.push(Math.cos(a));\n            break;\n          case \"cvi\":\n            a = stack.pop() | 0;\n            stack.push(a);\n            break;\n          case \"cvr\":\n            // noop\n            break;\n          case \"div\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a / b);\n            break;\n          case \"dup\":\n            stack.copy(1);\n            break;\n          case \"eq\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a === b);\n            break;\n          case \"exch\":\n            stack.roll(2, 1);\n            break;\n          case \"exp\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a ** b);\n            break;\n          case \"false\":\n            stack.push(false);\n            break;\n          case \"floor\":\n            a = stack.pop();\n            stack.push(Math.floor(a));\n            break;\n          case \"ge\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a >= b);\n            break;\n          case \"gt\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a > b);\n            break;\n          case \"idiv\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push((a / b) | 0);\n            break;\n          case \"index\":\n            a = stack.pop();\n            stack.index(a);\n            break;\n          case \"le\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a <= b);\n            break;\n          case \"ln\":\n            a = stack.pop();\n            stack.push(Math.log(a));\n            break;\n          case \"log\":\n            a = stack.pop();\n            stack.push(Math.log(a) / Math.LN10);\n            break;\n          case \"lt\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a < b);\n            break;\n          case \"mod\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a % b);\n            break;\n          case \"mul\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a * b);\n            break;\n          case \"ne\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a !== b);\n            break;\n          case \"neg\":\n            a = stack.pop();\n            stack.push(-a);\n            break;\n          case \"not\":\n            a = stack.pop();\n            if (isBool(a)) {\n              stack.push(!a);\n            } else {\n              stack.push(~a);\n            }\n            break;\n          case \"or\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a || b);\n            } else {\n              stack.push(a | b);\n            }\n            break;\n          case \"pop\":\n            stack.pop();\n            break;\n          case \"roll\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.roll(a, b);\n            break;\n          case \"round\":\n            a = stack.pop();\n            stack.push(Math.round(a));\n            break;\n          case \"sin\":\n            a = stack.pop();\n            stack.push(Math.sin(a));\n            break;\n          case \"sqrt\":\n            a = stack.pop();\n            stack.push(Math.sqrt(a));\n            break;\n          case \"sub\":\n            b = stack.pop();\n            a = stack.pop();\n            stack.push(a - b);\n            break;\n          case \"true\":\n            stack.push(true);\n            break;\n          case \"truncate\":\n            a = stack.pop();\n            a = a < 0 ? Math.ceil(a) : Math.floor(a);\n            stack.push(a);\n            break;\n          case \"xor\":\n            b = stack.pop();\n            a = stack.pop();\n            if (isBool(a) && isBool(b)) {\n              stack.push(a !== b);\n            } else {\n              stack.push(a ^ b);\n            }\n            break;\n          default:\n            throw new FormatError(`Unknown operator ${operator}`);\n        }\n      }\n      return stack.stack;\n    },\n  };\n  return PostScriptEvaluator;\n})();\n\n// Most of the PDFs functions consist of simple operations such as:\n//   roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add.\n//\n// We can compile most of such programs, and at the same moment, we can\n// optimize some expressions using basic math properties. Keeping track of\n// min/max values will allow us to avoid extra Math.min/Math.max calls.\nvar PostScriptCompiler = (function PostScriptCompilerClosure() {\n  function AstNode(type) {\n    this.type = type;\n  }\n  AstNode.prototype.visit = function (visitor) {\n    unreachable(\"abstract method\");\n  };\n\n  function AstArgument(index, min, max) {\n    AstNode.call(this, \"args\");\n    this.index = index;\n    this.min = min;\n    this.max = max;\n  }\n  AstArgument.prototype = Object.create(AstNode.prototype);\n  AstArgument.prototype.visit = function (visitor) {\n    visitor.visitArgument(this);\n  };\n\n  function AstLiteral(number) {\n    AstNode.call(this, \"literal\");\n    this.number = number;\n    this.min = number;\n    this.max = number;\n  }\n  AstLiteral.prototype = Object.create(AstNode.prototype);\n  AstLiteral.prototype.visit = function (visitor) {\n    visitor.visitLiteral(this);\n  };\n\n  function AstBinaryOperation(op, arg1, arg2, min, max) {\n    AstNode.call(this, \"binary\");\n    this.op = op;\n    this.arg1 = arg1;\n    this.arg2 = arg2;\n    this.min = min;\n    this.max = max;\n  }\n  AstBinaryOperation.prototype = Object.create(AstNode.prototype);\n  AstBinaryOperation.prototype.visit = function (visitor) {\n    visitor.visitBinaryOperation(this);\n  };\n\n  function AstMin(arg, max) {\n    AstNode.call(this, \"max\");\n    this.arg = arg;\n    this.min = arg.min;\n    this.max = max;\n  }\n  AstMin.prototype = Object.create(AstNode.prototype);\n  AstMin.prototype.visit = function (visitor) {\n    visitor.visitMin(this);\n  };\n\n  function AstVariable(index, min, max) {\n    AstNode.call(this, \"var\");\n    this.index = index;\n    this.min = min;\n    this.max = max;\n  }\n  AstVariable.prototype = Object.create(AstNode.prototype);\n  AstVariable.prototype.visit = function (visitor) {\n    visitor.visitVariable(this);\n  };\n\n  function AstVariableDefinition(variable, arg) {\n    AstNode.call(this, \"definition\");\n    this.variable = variable;\n    this.arg = arg;\n  }\n  AstVariableDefinition.prototype = Object.create(AstNode.prototype);\n  AstVariableDefinition.prototype.visit = function (visitor) {\n    visitor.visitVariableDefinition(this);\n  };\n\n  function ExpressionBuilderVisitor() {\n    this.parts = [];\n  }\n  ExpressionBuilderVisitor.prototype = {\n    visitArgument(arg) {\n      this.parts.push(\n        \"Math.max(\",\n        arg.min,\n        \", Math.min(\",\n        arg.max,\n        \", src[srcOffset + \",\n        arg.index,\n        \"]))\"\n      );\n    },\n    visitVariable(variable) {\n      this.parts.push(\"v\", variable.index);\n    },\n    visitLiteral(literal) {\n      this.parts.push(literal.number);\n    },\n    visitBinaryOperation(operation) {\n      this.parts.push(\"(\");\n      operation.arg1.visit(this);\n      this.parts.push(\" \", operation.op, \" \");\n      operation.arg2.visit(this);\n      this.parts.push(\")\");\n    },\n    visitVariableDefinition(definition) {\n      this.parts.push(\"var \");\n      definition.variable.visit(this);\n      this.parts.push(\" = \");\n      definition.arg.visit(this);\n      this.parts.push(\";\");\n    },\n    visitMin(max) {\n      this.parts.push(\"Math.min(\");\n      max.arg.visit(this);\n      this.parts.push(\", \", max.max, \")\");\n    },\n    toString() {\n      return this.parts.join(\"\");\n    },\n  };\n\n  function buildAddOperation(num1, num2) {\n    if (num2.type === \"literal\" && num2.number === 0) {\n      // optimization: second operand is 0\n      return num1;\n    }\n    if (num1.type === \"literal\" && num1.number === 0) {\n      // optimization: first operand is 0\n      return num2;\n    }\n    if (num2.type === \"literal\" && num1.type === \"literal\") {\n      // optimization: operands operand are literals\n      return new AstLiteral(num1.number + num2.number);\n    }\n    return new AstBinaryOperation(\n      \"+\",\n      num1,\n      num2,\n      num1.min + num2.min,\n      num1.max + num2.max\n    );\n  }\n\n  function buildMulOperation(num1, num2) {\n    if (num2.type === \"literal\") {\n      // optimization: second operands is a literal...\n      if (num2.number === 0) {\n        return new AstLiteral(0); // and it's 0\n      } else if (num2.number === 1) {\n        return num1; // and it's 1\n      } else if (num1.type === \"literal\") {\n        // ... and first operands is a literal too\n        return new AstLiteral(num1.number * num2.number);\n      }\n    }\n    if (num1.type === \"literal\") {\n      // optimization: first operands is a literal...\n      if (num1.number === 0) {\n        return new AstLiteral(0); // and it's 0\n      } else if (num1.number === 1) {\n        return num2; // and it's 1\n      }\n    }\n    var min = Math.min(\n      num1.min * num2.min,\n      num1.min * num2.max,\n      num1.max * num2.min,\n      num1.max * num2.max\n    );\n    var max = Math.max(\n      num1.min * num2.min,\n      num1.min * num2.max,\n      num1.max * num2.min,\n      num1.max * num2.max\n    );\n    return new AstBinaryOperation(\"*\", num1, num2, min, max);\n  }\n\n  function buildSubOperation(num1, num2) {\n    if (num2.type === \"literal\") {\n      // optimization: second operands is a literal...\n      if (num2.number === 0) {\n        return num1; // ... and it's 0\n      } else if (num1.type === \"literal\") {\n        // ... and first operands is a literal too\n        return new AstLiteral(num1.number - num2.number);\n      }\n    }\n    if (\n      num2.type === \"binary\" &&\n      num2.op === \"-\" &&\n      num1.type === \"literal\" &&\n      num1.number === 1 &&\n      num2.arg1.type === \"literal\" &&\n      num2.arg1.number === 1\n    ) {\n      // optimization for case: 1 - (1 - x)\n      return num2.arg2;\n    }\n    return new AstBinaryOperation(\n      \"-\",\n      num1,\n      num2,\n      num1.min - num2.max,\n      num1.max - num2.min\n    );\n  }\n\n  function buildMinOperation(num1, max) {\n    if (num1.min >= max) {\n      // optimization: num1 min value is not less than required max\n      return new AstLiteral(max); // just returning max\n    } else if (num1.max <= max) {\n      // optimization: num1 max value is not greater than required max\n      return num1; // just returning an argument\n    }\n    return new AstMin(num1, max);\n  }\n\n  // eslint-disable-next-line no-shadow\n  function PostScriptCompiler() {}\n  PostScriptCompiler.prototype = {\n    compile: function PostScriptCompiler_compile(code, domain, range) {\n      var stack = [];\n      var instructions = [];\n      var inputSize = domain.length >> 1,\n        outputSize = range.length >> 1;\n      var lastRegister = 0;\n      var n, j;\n      var num1, num2, ast1, ast2, tmpVar, item;\n      for (let i = 0; i < inputSize; i++) {\n        stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1]));\n      }\n\n      for (let i = 0, ii = code.length; i < ii; i++) {\n        item = code[i];\n        if (typeof item === \"number\") {\n          stack.push(new AstLiteral(item));\n          continue;\n        }\n\n        switch (item) {\n          case \"add\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildAddOperation(num1, num2));\n            break;\n          case \"cvr\":\n            if (stack.length < 1) {\n              return null;\n            }\n            break;\n          case \"mul\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildMulOperation(num1, num2));\n            break;\n          case \"sub\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            stack.push(buildSubOperation(num1, num2));\n            break;\n          case \"exch\":\n            if (stack.length < 2) {\n              return null;\n            }\n            ast1 = stack.pop();\n            ast2 = stack.pop();\n            stack.push(ast1, ast2);\n            break;\n          case \"pop\":\n            if (stack.length < 1) {\n              return null;\n            }\n            stack.pop();\n            break;\n          case \"index\":\n            if (stack.length < 1) {\n              return null;\n            }\n            num1 = stack.pop();\n            if (num1.type !== \"literal\") {\n              return null;\n            }\n            n = num1.number;\n            if (n < 0 || !Number.isInteger(n) || stack.length < n) {\n              return null;\n            }\n            ast1 = stack[stack.length - n - 1];\n            if (ast1.type === \"literal\" || ast1.type === \"var\") {\n              stack.push(ast1);\n              break;\n            }\n            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);\n            stack[stack.length - n - 1] = tmpVar;\n            stack.push(tmpVar);\n            instructions.push(new AstVariableDefinition(tmpVar, ast1));\n            break;\n          case \"dup\":\n            if (stack.length < 1) {\n              return null;\n            }\n            if (\n              typeof code[i + 1] === \"number\" &&\n              code[i + 2] === \"gt\" &&\n              code[i + 3] === i + 7 &&\n              code[i + 4] === \"jz\" &&\n              code[i + 5] === \"pop\" &&\n              code[i + 6] === code[i + 1]\n            ) {\n              // special case of the commands sequence for the min operation\n              num1 = stack.pop();\n              stack.push(buildMinOperation(num1, code[i + 1]));\n              i += 6;\n              break;\n            }\n            ast1 = stack[stack.length - 1];\n            if (ast1.type === \"literal\" || ast1.type === \"var\") {\n              // we don't have to save into intermediate variable a literal or\n              // variable.\n              stack.push(ast1);\n              break;\n            }\n            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);\n            stack[stack.length - 1] = tmpVar;\n            stack.push(tmpVar);\n            instructions.push(new AstVariableDefinition(tmpVar, ast1));\n            break;\n          case \"roll\":\n            if (stack.length < 2) {\n              return null;\n            }\n            num2 = stack.pop();\n            num1 = stack.pop();\n            if (num2.type !== \"literal\" || num1.type !== \"literal\") {\n              // both roll operands must be numbers\n              return null;\n            }\n            j = num2.number;\n            n = num1.number;\n            if (\n              n <= 0 ||\n              !Number.isInteger(n) ||\n              !Number.isInteger(j) ||\n              stack.length < n\n            ) {\n              // ... and integers\n              return null;\n            }\n            j = ((j % n) + n) % n;\n            if (j === 0) {\n              break; // just skipping -- there are nothing to rotate\n            }\n            Array.prototype.push.apply(\n              stack,\n              stack.splice(stack.length - n, n - j)\n            );\n            break;\n          default:\n            return null; // unsupported operator\n        }\n      }\n\n      if (stack.length !== outputSize) {\n        return null;\n      }\n\n      var result = [];\n      instructions.forEach(function (instruction) {\n        var statementBuilder = new ExpressionBuilderVisitor();\n        instruction.visit(statementBuilder);\n        result.push(statementBuilder.toString());\n      });\n      stack.forEach(function (expr, i) {\n        var statementBuilder = new ExpressionBuilderVisitor();\n        expr.visit(statementBuilder);\n        var min = range[i * 2],\n          max = range[i * 2 + 1];\n        var out = [statementBuilder.toString()];\n        if (min > expr.min) {\n          out.unshift(\"Math.max(\", min, \", \");\n          out.push(\")\");\n        }\n        if (max < expr.max) {\n          out.unshift(\"Math.min(\", max, \", \");\n          out.push(\")\");\n        }\n        out.unshift(\"dest[destOffset + \", i, \"] = \");\n        out.push(\";\");\n        result.push(out.join(\"\"));\n      });\n      return result.join(\"\\n\");\n    },\n  };\n\n  return PostScriptCompiler;\n})();\n\nexport {\n  isPDFFunction,\n  PDFFunctionFactory,\n  PostScriptEvaluator,\n  PostScriptCompiler,\n};\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { FormatError, shadow } from \"../shared/util.js\";\nimport { EOF } from \"./primitives.js\";\nimport { isWhiteSpace } from \"./core_utils.js\";\n\nclass PostScriptParser {\n  constructor(lexer) {\n    this.lexer = lexer;\n    this.operators = [];\n    this.token = null;\n    this.prev = null;\n  }\n\n  nextToken() {\n    this.prev = this.token;\n    this.token = this.lexer.getToken();\n  }\n\n  accept(type) {\n    if (this.token.type === type) {\n      this.nextToken();\n      return true;\n    }\n    return false;\n  }\n\n  expect(type) {\n    if (this.accept(type)) {\n      return true;\n    }\n    throw new FormatError(\n      `Unexpected symbol: found ${this.token.type} expected ${type}.`\n    );\n  }\n\n  parse() {\n    this.nextToken();\n    this.expect(PostScriptTokenTypes.LBRACE);\n    this.parseBlock();\n    this.expect(PostScriptTokenTypes.RBRACE);\n    return this.operators;\n  }\n\n  parseBlock() {\n    while (true) {\n      if (this.accept(PostScriptTokenTypes.NUMBER)) {\n        this.operators.push(this.prev.value);\n      } else if (this.accept(PostScriptTokenTypes.OPERATOR)) {\n        this.operators.push(this.prev.value);\n      } else if (this.accept(PostScriptTokenTypes.LBRACE)) {\n        this.parseCondition();\n      } else {\n        return;\n      }\n    }\n  }\n\n  parseCondition() {\n    // Add two place holders that will be updated later\n    const conditionLocation = this.operators.length;\n    this.operators.push(null, null);\n\n    this.parseBlock();\n    this.expect(PostScriptTokenTypes.RBRACE);\n    if (this.accept(PostScriptTokenTypes.IF)) {\n      // The true block is right after the 'if' so it just falls through on true\n      // else it jumps and skips the true block.\n      this.operators[conditionLocation] = this.operators.length;\n      this.operators[conditionLocation + 1] = \"jz\";\n    } else if (this.accept(PostScriptTokenTypes.LBRACE)) {\n      const jumpLocation = this.operators.length;\n      this.operators.push(null, null);\n      const endOfTrue = this.operators.length;\n      this.parseBlock();\n      this.expect(PostScriptTokenTypes.RBRACE);\n      this.expect(PostScriptTokenTypes.IFELSE);\n      // The jump is added at the end of the true block to skip the false block.\n      this.operators[jumpLocation] = this.operators.length;\n      this.operators[jumpLocation + 1] = \"j\";\n\n      this.operators[conditionLocation] = endOfTrue;\n      this.operators[conditionLocation + 1] = \"jz\";\n    } else {\n      throw new FormatError(\"PS Function: error parsing conditional.\");\n    }\n  }\n}\n\nconst PostScriptTokenTypes = {\n  LBRACE: 0,\n  RBRACE: 1,\n  NUMBER: 2,\n  OPERATOR: 3,\n  IF: 4,\n  IFELSE: 5,\n};\n\nconst PostScriptToken = (function PostScriptTokenClosure() {\n  const opCache = Object.create(null);\n\n  // eslint-disable-next-line no-shadow\n  class PostScriptToken {\n    constructor(type, value) {\n      this.type = type;\n      this.value = value;\n    }\n\n    static getOperator(op) {\n      const opValue = opCache[op];\n      if (opValue) {\n        return opValue;\n      }\n      return (opCache[op] = new PostScriptToken(\n        PostScriptTokenTypes.OPERATOR,\n        op\n      ));\n    }\n\n    static get LBRACE() {\n      return shadow(\n        this,\n        \"LBRACE\",\n        new PostScriptToken(PostScriptTokenTypes.LBRACE, \"{\")\n      );\n    }\n\n    static get RBRACE() {\n      return shadow(\n        this,\n        \"RBRACE\",\n        new PostScriptToken(PostScriptTokenTypes.RBRACE, \"}\")\n      );\n    }\n\n    static get IF() {\n      return shadow(\n        this,\n        \"IF\",\n        new PostScriptToken(PostScriptTokenTypes.IF, \"IF\")\n      );\n    }\n\n    static get IFELSE() {\n      return shadow(\n        this,\n        \"IFELSE\",\n        new PostScriptToken(PostScriptTokenTypes.IFELSE, \"IFELSE\")\n      );\n    }\n  }\n  return PostScriptToken;\n})();\n\nclass PostScriptLexer {\n  constructor(stream) {\n    this.stream = stream;\n    this.nextChar();\n\n    this.strBuf = [];\n  }\n\n  nextChar() {\n    return (this.currentChar = this.stream.getByte());\n  }\n\n  getToken() {\n    let comment = false;\n    let ch = this.currentChar;\n\n    // skip comments\n    while (true) {\n      if (ch < 0) {\n        return EOF;\n      }\n\n      if (comment) {\n        if (ch === 0x0a || ch === 0x0d) {\n          comment = false;\n        }\n      } else if (ch === /* '%' = */ 0x25) {\n        comment = true;\n      } else if (!isWhiteSpace(ch)) {\n        break;\n      }\n      ch = this.nextChar();\n    }\n    switch (ch | 0) {\n      case 0x30: // '0'\n      case 0x31: // '1'\n      case 0x32: // '2'\n      case 0x33: // '3'\n      case 0x34: // '4'\n      case 0x35: // '5'\n      case 0x36: // '6'\n      case 0x37: // '7'\n      case 0x38: // '8'\n      case 0x39: // '9'\n      case 0x2b: // '+'\n      case 0x2d: // '-'\n      case 0x2e: // '.'\n        return new PostScriptToken(\n          PostScriptTokenTypes.NUMBER,\n          this.getNumber()\n        );\n      case 0x7b: // '{'\n        this.nextChar();\n        return PostScriptToken.LBRACE;\n      case 0x7d: // '}'\n        this.nextChar();\n        return PostScriptToken.RBRACE;\n    }\n    // operator\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    strBuf[0] = String.fromCharCode(ch);\n\n    while (\n      (ch = this.nextChar()) >= 0 &&\n      ((ch >= /* 'A' = */ 0x41 && ch <= /* 'Z' = */ 0x5a) ||\n        (ch >= /* 'a' = */ 0x61 && ch <= /* 'z' = */ 0x7a))\n    ) {\n      strBuf.push(String.fromCharCode(ch));\n    }\n    const str = strBuf.join(\"\");\n    switch (str.toLowerCase()) {\n      case \"if\":\n        return PostScriptToken.IF;\n      case \"ifelse\":\n        return PostScriptToken.IFELSE;\n      default:\n        return PostScriptToken.getOperator(str);\n    }\n  }\n\n  getNumber() {\n    let ch = this.currentChar;\n    const strBuf = this.strBuf;\n    strBuf.length = 0;\n    strBuf[0] = String.fromCharCode(ch);\n\n    while ((ch = this.nextChar()) >= 0) {\n      if (\n        (ch >= /* '0' = */ 0x30 && ch <= /* '9' = */ 0x39) ||\n        ch === /* '-' = */ 0x2d ||\n        ch === /* '.' = */ 0x2e\n      ) {\n        strBuf.push(String.fromCharCode(ch));\n      } else {\n        break;\n      }\n    }\n    const value = parseFloat(strBuf.join(\"\"));\n    if (isNaN(value)) {\n      throw new FormatError(`Invalid floating point number: ${value}`);\n    }\n    return value;\n  }\n}\n\nexport { PostScriptLexer, PostScriptParser };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { warn } from \"../shared/util.js\";\n\n// Character types for symbols from 0000 to 00FF.\n// Source: ftp://ftp.unicode.org/Public/UNIDATA/UnicodeData.txt\n// prettier-ignore\nvar baseTypes = [\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"S\", \"B\", \"S\",\n  \"WS\", \"B\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"B\", \"B\", \"B\", \"S\", \"WS\", \"ON\", \"ON\", \"ET\",\n  \"ET\", \"ET\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"ES\", \"CS\", \"ES\", \"CS\", \"CS\",\n  \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"CS\", \"ON\",\n  \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"ON\", \"ON\", \"ON\", \"ON\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"B\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\",\n  \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"BN\", \"CS\", \"ON\", \"ET\",\n  \"ET\", \"ET\", \"ET\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"ON\", \"ON\", \"BN\", \"ON\",\n  \"ON\", \"ET\", \"ET\", \"EN\", \"EN\", \"ON\", \"L\", \"ON\", \"ON\", \"ON\", \"EN\", \"L\",\n  \"ON\", \"ON\", \"ON\", \"ON\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\",\n  \"L\", \"L\", \"L\", \"L\", \"L\", \"ON\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\", \"L\"\n];\n\n// Character types for symbols from 0600 to 06FF.\n// Source: ftp://ftp.unicode.org/Public/UNIDATA/UnicodeData.txt\n// Note that 061D does not exist in the Unicode standard (see\n// http://unicode.org/charts/PDF/U0600.pdf), so we replace it with an\n// empty string and issue a warning if we encounter this character. The\n// empty string is required to properly index the items after it.\n// prettier-ignore\nvar arabicTypes = [\n  \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"ON\", \"ON\", \"AL\", \"ET\", \"ET\", \"AL\",\n  \"CS\", \"AL\", \"ON\", \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\",\n  \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\", \"AN\",\n  \"AN\", \"AN\", \"AN\", \"ET\", \"AN\", \"AN\", \"AL\", \"AL\", \"AL\", \"NSM\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\",\n  \"AL\", \"AL\", \"AL\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AN\",\n  \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"NSM\", \"NSM\",\n  \"ON\", \"NSM\", \"NSM\", \"NSM\", \"NSM\", \"AL\", \"AL\", \"EN\", \"EN\", \"EN\", \"EN\",\n  \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"EN\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\", \"AL\"\n];\n\nfunction isOdd(i) {\n  return (i & 1) !== 0;\n}\n\nfunction isEven(i) {\n  return (i & 1) === 0;\n}\n\nfunction findUnequal(arr, start, value) {\n  for (var j = start, jj = arr.length; j < jj; ++j) {\n    if (arr[j] !== value) {\n      return j;\n    }\n  }\n  return j;\n}\n\nfunction setValues(arr, start, end, value) {\n  for (var j = start; j < end; ++j) {\n    arr[j] = value;\n  }\n}\n\nfunction reverseValues(arr, start, end) {\n  for (var i = start, j = end - 1; i < j; ++i, --j) {\n    var temp = arr[i];\n    arr[i] = arr[j];\n    arr[j] = temp;\n  }\n}\n\nfunction createBidiText(str, isLTR, vertical = false) {\n  let dir = \"ltr\";\n  if (vertical) {\n    dir = \"ttb\";\n  } else if (!isLTR) {\n    dir = \"rtl\";\n  }\n  return { str, dir };\n}\n\n// These are used in bidi(), which is called frequently. We re-use them on\n// each call to avoid unnecessary allocations.\nvar chars = [];\nvar types = [];\n\nfunction bidi(str, startLevel, vertical) {\n  var isLTR = true;\n  var strLength = str.length;\n  if (strLength === 0 || vertical) {\n    return createBidiText(str, isLTR, vertical);\n  }\n\n  // Get types and fill arrays\n  chars.length = strLength;\n  types.length = strLength;\n  var numBidi = 0;\n\n  var i, ii;\n  for (i = 0; i < strLength; ++i) {\n    chars[i] = str.charAt(i);\n\n    var charCode = str.charCodeAt(i);\n    var charType = \"L\";\n    if (charCode <= 0x00ff) {\n      charType = baseTypes[charCode];\n    } else if (0x0590 <= charCode && charCode <= 0x05f4) {\n      charType = \"R\";\n    } else if (0x0600 <= charCode && charCode <= 0x06ff) {\n      charType = arabicTypes[charCode & 0xff];\n      if (!charType) {\n        warn(\"Bidi: invalid Unicode character \" + charCode.toString(16));\n      }\n    } else if (0x0700 <= charCode && charCode <= 0x08ac) {\n      charType = \"AL\";\n    }\n    if (charType === \"R\" || charType === \"AL\" || charType === \"AN\") {\n      numBidi++;\n    }\n    types[i] = charType;\n  }\n\n  // Detect the bidi method\n  // - If there are no rtl characters then no bidi needed\n  // - If less than 30% chars are rtl then string is primarily ltr\n  // - If more than 30% chars are rtl then string is primarily rtl\n  if (numBidi === 0) {\n    isLTR = true;\n    return createBidiText(str, isLTR);\n  }\n\n  if (startLevel === -1) {\n    if (numBidi / strLength < 0.3) {\n      isLTR = true;\n      startLevel = 0;\n    } else {\n      isLTR = false;\n      startLevel = 1;\n    }\n  }\n\n  var levels = [];\n  for (i = 0; i < strLength; ++i) {\n    levels[i] = startLevel;\n  }\n\n  /*\n   X1-X10: skip most of this, since we are NOT doing the embeddings.\n   */\n  var e = isOdd(startLevel) ? \"R\" : \"L\";\n  var sor = e;\n  var eor = sor;\n\n  /*\n   W1. Examine each non-spacing mark (NSM) in the level run, and change the\n   type of the NSM to the type of the previous character. If the NSM is at the\n   start of the level run, it will get the type of sor.\n   */\n  var lastType = sor;\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"NSM\") {\n      types[i] = lastType;\n    } else {\n      lastType = types[i];\n    }\n  }\n\n  /*\n   W2. Search backwards from each instance of a European number until the\n   first strong type (R, L, AL, or sor) is found.  If an AL is found, change\n   the type of the European number to Arabic number.\n   */\n  lastType = sor;\n  var t;\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"EN\") {\n      types[i] = lastType === \"AL\" ? \"AN\" : \"EN\";\n    } else if (t === \"R\" || t === \"L\" || t === \"AL\") {\n      lastType = t;\n    }\n  }\n\n  /*\n   W3. Change all ALs to R.\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"AL\") {\n      types[i] = \"R\";\n    }\n  }\n\n  /*\n   W4. A single European separator between two European numbers changes to a\n   European number. A single common separator between two numbers of the same\n   type changes to that type:\n   */\n  for (i = 1; i < strLength - 1; ++i) {\n    if (types[i] === \"ES\" && types[i - 1] === \"EN\" && types[i + 1] === \"EN\") {\n      types[i] = \"EN\";\n    }\n    if (\n      types[i] === \"CS\" &&\n      (types[i - 1] === \"EN\" || types[i - 1] === \"AN\") &&\n      types[i + 1] === types[i - 1]\n    ) {\n      types[i] = types[i - 1];\n    }\n  }\n\n  /*\n   W5. A sequence of European terminators adjacent to European numbers changes\n   to all European numbers:\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"EN\") {\n      // do before\n      var j;\n      for (j = i - 1; j >= 0; --j) {\n        if (types[j] !== \"ET\") {\n          break;\n        }\n        types[j] = \"EN\";\n      }\n      // do after\n      for (j = i + 1; j < strLength; ++j) {\n        if (types[j] !== \"ET\") {\n          break;\n        }\n        types[j] = \"EN\";\n      }\n    }\n  }\n\n  /*\n   W6. Otherwise, separators and terminators change to Other Neutral:\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"WS\" || t === \"ES\" || t === \"ET\" || t === \"CS\") {\n      types[i] = \"ON\";\n    }\n  }\n\n  /*\n   W7. Search backwards from each instance of a European number until the\n   first strong type (R, L, or sor) is found. If an L is found,  then change\n   the type of the European number to L.\n   */\n  lastType = sor;\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (t === \"EN\") {\n      types[i] = lastType === \"L\" ? \"L\" : \"EN\";\n    } else if (t === \"R\" || t === \"L\") {\n      lastType = t;\n    }\n  }\n\n  /*\n   N1. A sequence of neutrals takes the direction of the surrounding strong\n   text if the text on both sides has the same direction. European and Arabic\n   numbers are treated as though they were R. Start-of-level-run (sor) and\n   end-of-level-run (eor) are used at level run boundaries.\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"ON\") {\n      var end = findUnequal(types, i + 1, \"ON\");\n      var before = sor;\n      if (i > 0) {\n        before = types[i - 1];\n      }\n\n      var after = eor;\n      if (end + 1 < strLength) {\n        after = types[end + 1];\n      }\n      if (before !== \"L\") {\n        before = \"R\";\n      }\n      if (after !== \"L\") {\n        after = \"R\";\n      }\n      if (before === after) {\n        setValues(types, i, end, before);\n      }\n      i = end - 1; // reset to end (-1 so next iteration is ok)\n    }\n  }\n\n  /*\n   N2. Any remaining neutrals take the embedding direction.\n   */\n  for (i = 0; i < strLength; ++i) {\n    if (types[i] === \"ON\") {\n      types[i] = e;\n    }\n  }\n\n  /*\n   I1. For all characters with an even (left-to-right) embedding direction,\n   those of type R go up one level and those of type AN or EN go up two\n   levels.\n   I2. For all characters with an odd (right-to-left) embedding direction,\n   those of type L, EN or AN go up one level.\n   */\n  for (i = 0; i < strLength; ++i) {\n    t = types[i];\n    if (isEven(levels[i])) {\n      if (t === \"R\") {\n        levels[i] += 1;\n      } else if (t === \"AN\" || t === \"EN\") {\n        levels[i] += 2;\n      }\n    } else {\n      // isOdd\n      if (t === \"L\" || t === \"AN\" || t === \"EN\") {\n        levels[i] += 1;\n      }\n    }\n  }\n\n  /*\n   L1. On each line, reset the embedding level of the following characters to\n   the paragraph embedding level:\n\n   segment separators,\n   paragraph separators,\n   any sequence of whitespace characters preceding a segment separator or\n   paragraph separator, and any sequence of white space characters at the end\n   of the line.\n   */\n\n  // don't bother as text is only single line\n\n  /*\n   L2. From the highest level found in the text to the lowest odd level on\n   each line, reverse any contiguous sequence of characters that are at that\n   level or higher.\n   */\n\n  // find highest level & lowest odd level\n  var highestLevel = -1;\n  var lowestOddLevel = 99;\n  var level;\n  for (i = 0, ii = levels.length; i < ii; ++i) {\n    level = levels[i];\n    if (highestLevel < level) {\n      highestLevel = level;\n    }\n    if (lowestOddLevel > level && isOdd(level)) {\n      lowestOddLevel = level;\n    }\n  }\n\n  // now reverse between those limits\n  for (level = highestLevel; level >= lowestOddLevel; --level) {\n    // find segments to reverse\n    var start = -1;\n    for (i = 0, ii = levels.length; i < ii; ++i) {\n      if (levels[i] < level) {\n        if (start >= 0) {\n          reverseValues(chars, start, i);\n          start = -1;\n        }\n      } else if (start < 0) {\n        start = i;\n      }\n    }\n    if (start >= 0) {\n      reverseValues(chars, start, levels.length);\n    }\n  }\n\n  /*\n   L3. Combining marks applied to a right-to-left base character will at this\n   point precede their base character. If the rendering engine expects them to\n   follow the base characters in the final display process, then the ordering\n   of the marks and the base character must be reversed.\n   */\n\n  // don't bother for now\n\n  /*\n   L4. A character that possesses the mirrored property as specified by\n   Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved\n   directionality of that character is R.\n   */\n\n  // don't mirror as characters are already mirrored in the pdf\n\n  // Finally, return string\n  for (i = 0, ii = chars.length; i < ii; ++i) {\n    var ch = chars[i];\n    if (ch === \"<\" || ch === \">\") {\n      chars[i] = \"\";\n    }\n  }\n  return createBidiText(chars.join(\"\"), isLTR);\n}\n\nexport { bidi };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getLookupTableFactory } from \"./core_utils.js\";\n\n// The Metrics object contains glyph widths (in glyph space units).\n// As per PDF spec, for most fonts (Type 3 being an exception) a glyph\n// space unit corresponds to 1/1000th of text space unit.\nvar getMetrics = getLookupTableFactory(function (t) {\n  t.Courier = 600;\n  t[\"Courier-Bold\"] = 600;\n  t[\"Courier-BoldOblique\"] = 600;\n  t[\"Courier-Oblique\"] = 600;\n  // eslint-disable-next-line no-shadow\n  t.Helvetica = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 278;\n    t.quotedbl = 355;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 667;\n    t.quoteright = 222;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 556;\n    t.at = 1015;\n    t.A = 667;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 500;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 278;\n    t.backslash = 278;\n    t.bracketright = 278;\n    t.asciicircum = 469;\n    t.underscore = 556;\n    t.quoteleft = 222;\n    t.a = 556;\n    t.b = 556;\n    t.c = 500;\n    t.d = 556;\n    t.e = 556;\n    t.f = 278;\n    t.g = 556;\n    t.h = 556;\n    t.i = 222;\n    t.j = 222;\n    t.k = 500;\n    t.l = 222;\n    t.m = 833;\n    t.n = 556;\n    t.o = 556;\n    t.p = 556;\n    t.q = 556;\n    t.r = 333;\n    t.s = 500;\n    t.t = 278;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 500;\n    t.braceleft = 334;\n    t.bar = 260;\n    t.braceright = 334;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 191;\n    t.quotedblleft = 333;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 537;\n    t.bullet = 350;\n    t.quotesinglbase = 222;\n    t.quotedblbase = 333;\n    t.quotedblright = 333;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 556;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 222;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 556;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 667;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 500;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 500;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 222;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 500;\n    t.scedilla = 500;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 556;\n    t.Amacron = 667;\n    t.rcaron = 333;\n    t.ccedilla = 500;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 643;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 584;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 500;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 260;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 333;\n    t.omacron = 556;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 222;\n    t.tcaron = 317;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 222;\n    t.Oacute = 778;\n    t.oacute = 556;\n    t.amacron = 556;\n    t.sacute = 500;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 556;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 299;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 556;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 556;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 556;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 556;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 556;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 556;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 500;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 584;\n    t.odieresis = 556;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 556;\n    t.eth = 556;\n    t.zcaron = 500;\n    t.ncommaaccent = 556;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-Bold\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 333;\n    t.quotedbl = 474;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 722;\n    t.quoteright = 278;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 611;\n    t.at = 975;\n    t.A = 722;\n    t.B = 722;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 556;\n    t.K = 722;\n    t.L = 611;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 584;\n    t.underscore = 556;\n    t.quoteleft = 278;\n    t.a = 556;\n    t.b = 611;\n    t.c = 556;\n    t.d = 611;\n    t.e = 556;\n    t.f = 333;\n    t.g = 611;\n    t.h = 611;\n    t.i = 278;\n    t.j = 278;\n    t.k = 556;\n    t.l = 278;\n    t.m = 889;\n    t.n = 611;\n    t.o = 611;\n    t.p = 611;\n    t.q = 611;\n    t.r = 389;\n    t.s = 556;\n    t.t = 333;\n    t.u = 611;\n    t.v = 556;\n    t.w = 778;\n    t.x = 556;\n    t.y = 556;\n    t.z = 500;\n    t.braceleft = 389;\n    t.bar = 280;\n    t.braceright = 389;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 238;\n    t.quotedblleft = 500;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 611;\n    t.fl = 611;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 556;\n    t.bullet = 350;\n    t.quotesinglbase = 278;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 611;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 611;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 722;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 556;\n    t.scommaaccent = 556;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 611;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 556;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 556;\n    t.scedilla = 556;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 611;\n    t.acircumflex = 556;\n    t.Amacron = 722;\n    t.rcaron = 389;\n    t.ccedilla = 556;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 743;\n    t.Umacron = 722;\n    t.uring = 611;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 584;\n    t.uacute = 611;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 556;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 556;\n    t.nacute = 611;\n    t.umacron = 611;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 280;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 611;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 389;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 611;\n    t.amacron = 556;\n    t.sacute = 556;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 611;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 611;\n    t.igrave = 278;\n    t.ohungarumlaut = 611;\n    t.Eogonek = 667;\n    t.dcroat = 611;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 400;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 611;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 611;\n    t.ntilde = 611;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 611;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 611;\n    t.Ccaron = 722;\n    t.ugrave = 611;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 611;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 556;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 611;\n    t.tcommaaccent = 333;\n    t.logicalnot = 584;\n    t.odieresis = 611;\n    t.udieresis = 611;\n    t.notequal = 549;\n    t.gcommaaccent = 611;\n    t.eth = 611;\n    t.zcaron = 500;\n    t.ncommaaccent = 611;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-BoldOblique\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 333;\n    t.quotedbl = 474;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 722;\n    t.quoteright = 278;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 611;\n    t.at = 975;\n    t.A = 722;\n    t.B = 722;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 556;\n    t.K = 722;\n    t.L = 611;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 584;\n    t.underscore = 556;\n    t.quoteleft = 278;\n    t.a = 556;\n    t.b = 611;\n    t.c = 556;\n    t.d = 611;\n    t.e = 556;\n    t.f = 333;\n    t.g = 611;\n    t.h = 611;\n    t.i = 278;\n    t.j = 278;\n    t.k = 556;\n    t.l = 278;\n    t.m = 889;\n    t.n = 611;\n    t.o = 611;\n    t.p = 611;\n    t.q = 611;\n    t.r = 389;\n    t.s = 556;\n    t.t = 333;\n    t.u = 611;\n    t.v = 556;\n    t.w = 778;\n    t.x = 556;\n    t.y = 556;\n    t.z = 500;\n    t.braceleft = 389;\n    t.bar = 280;\n    t.braceright = 389;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 238;\n    t.quotedblleft = 500;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 611;\n    t.fl = 611;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 556;\n    t.bullet = 350;\n    t.quotesinglbase = 278;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 611;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 611;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 722;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 556;\n    t.scommaaccent = 556;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 611;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 556;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 556;\n    t.scedilla = 556;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 611;\n    t.acircumflex = 556;\n    t.Amacron = 722;\n    t.rcaron = 389;\n    t.ccedilla = 556;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 743;\n    t.Umacron = 722;\n    t.uring = 611;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 584;\n    t.uacute = 611;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 556;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 556;\n    t.nacute = 611;\n    t.umacron = 611;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 280;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 611;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 389;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 611;\n    t.amacron = 556;\n    t.sacute = 556;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 611;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 611;\n    t.igrave = 278;\n    t.ohungarumlaut = 611;\n    t.Eogonek = 667;\n    t.dcroat = 611;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 400;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 611;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 611;\n    t.ntilde = 611;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 611;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 611;\n    t.Ccaron = 722;\n    t.ugrave = 611;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 611;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 556;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 611;\n    t.tcommaaccent = 333;\n    t.logicalnot = 584;\n    t.odieresis = 611;\n    t.udieresis = 611;\n    t.notequal = 549;\n    t.gcommaaccent = 611;\n    t.eth = 611;\n    t.zcaron = 500;\n    t.ncommaaccent = 611;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Helvetica-Oblique\"] = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.exclam = 278;\n    t.quotedbl = 355;\n    t.numbersign = 556;\n    t.dollar = 556;\n    t.percent = 889;\n    t.ampersand = 667;\n    t.quoteright = 222;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 389;\n    t.plus = 584;\n    t.comma = 278;\n    t.hyphen = 333;\n    t.period = 278;\n    t.slash = 278;\n    t.zero = 556;\n    t.one = 556;\n    t.two = 556;\n    t.three = 556;\n    t.four = 556;\n    t.five = 556;\n    t.six = 556;\n    t.seven = 556;\n    t.eight = 556;\n    t.nine = 556;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 584;\n    t.equal = 584;\n    t.greater = 584;\n    t.question = 556;\n    t.at = 1015;\n    t.A = 667;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 722;\n    t.I = 278;\n    t.J = 500;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 722;\n    t.O = 778;\n    t.P = 667;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 667;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 944;\n    t.X = 667;\n    t.Y = 667;\n    t.Z = 611;\n    t.bracketleft = 278;\n    t.backslash = 278;\n    t.bracketright = 278;\n    t.asciicircum = 469;\n    t.underscore = 556;\n    t.quoteleft = 222;\n    t.a = 556;\n    t.b = 556;\n    t.c = 500;\n    t.d = 556;\n    t.e = 556;\n    t.f = 278;\n    t.g = 556;\n    t.h = 556;\n    t.i = 222;\n    t.j = 222;\n    t.k = 500;\n    t.l = 222;\n    t.m = 833;\n    t.n = 556;\n    t.o = 556;\n    t.p = 556;\n    t.q = 556;\n    t.r = 333;\n    t.s = 500;\n    t.t = 278;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 500;\n    t.braceleft = 334;\n    t.bar = 260;\n    t.braceright = 334;\n    t.asciitilde = 584;\n    t.exclamdown = 333;\n    t.cent = 556;\n    t.sterling = 556;\n    t.fraction = 167;\n    t.yen = 556;\n    t.florin = 556;\n    t.section = 556;\n    t.currency = 556;\n    t.quotesingle = 191;\n    t.quotedblleft = 333;\n    t.guillemotleft = 556;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 556;\n    t.dagger = 556;\n    t.daggerdbl = 556;\n    t.periodcentered = 278;\n    t.paragraph = 537;\n    t.bullet = 350;\n    t.quotesinglbase = 222;\n    t.quotedblbase = 333;\n    t.quotedblright = 333;\n    t.guillemotright = 556;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 611;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 370;\n    t.Lslash = 556;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 365;\n    t.ae = 889;\n    t.dotlessi = 278;\n    t.lslash = 222;\n    t.oslash = 611;\n    t.oe = 944;\n    t.germandbls = 611;\n    t.Idieresis = 278;\n    t.eacute = 556;\n    t.abreve = 556;\n    t.uhungarumlaut = 556;\n    t.ecaron = 556;\n    t.Ydieresis = 667;\n    t.divide = 584;\n    t.Yacute = 667;\n    t.Acircumflex = 667;\n    t.aacute = 556;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 500;\n    t.ecircumflex = 556;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 556;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 737;\n    t.Emacron = 667;\n    t.ccaron = 500;\n    t.aring = 556;\n    t.Ncommaaccent = 722;\n    t.lacute = 222;\n    t.agrave = 556;\n    t.Tcommaaccent = 611;\n    t.Cacute = 722;\n    t.atilde = 556;\n    t.Edotaccent = 667;\n    t.scaron = 500;\n    t.scedilla = 500;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 556;\n    t.Amacron = 667;\n    t.rcaron = 333;\n    t.ccedilla = 500;\n    t.Zdotaccent = 611;\n    t.Thorn = 667;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 667;\n    t.dcaron = 643;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 333;\n    t.Ograve = 778;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 584;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 556;\n    t.edieresis = 556;\n    t.cacute = 500;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 278;\n    t.plusminus = 584;\n    t.brokenbar = 260;\n    t.registered = 737;\n    t.Gbreve = 778;\n    t.Idotaccent = 278;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 333;\n    t.omacron = 556;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 222;\n    t.tcaron = 317;\n    t.eogonek = 556;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 556;\n    t.zacute = 500;\n    t.iogonek = 222;\n    t.Oacute = 778;\n    t.oacute = 556;\n    t.amacron = 556;\n    t.sacute = 500;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 333;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 556;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 834;\n    t.Scedilla = 667;\n    t.lcaron = 299;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 1000;\n    t.edotaccent = 556;\n    t.Igrave = 278;\n    t.Imacron = 278;\n    t.Lcaron = 556;\n    t.onehalf = 834;\n    t.lessequal = 549;\n    t.ocircumflex = 556;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 556;\n    t.gbreve = 556;\n    t.onequarter = 834;\n    t.Scaron = 667;\n    t.Scommaaccent = 667;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 556;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 556;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 556;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 778;\n    t.zdotaccent = 500;\n    t.Ecaron = 667;\n    t.Iogonek = 278;\n    t.kcommaaccent = 500;\n    t.minus = 584;\n    t.Icircumflex = 278;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 584;\n    t.odieresis = 556;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 556;\n    t.eth = 556;\n    t.zcaron = 500;\n    t.ncommaaccent = 556;\n    t.onesuperior = 333;\n    t.imacron = 278;\n    t.Euro = 556;\n  });\n  // eslint-disable-next-line no-shadow\n  t.Symbol = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.universal = 713;\n    t.numbersign = 500;\n    t.existential = 549;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.suchthat = 439;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asteriskmath = 500;\n    t.plus = 549;\n    t.comma = 250;\n    t.minus = 549;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 549;\n    t.equal = 549;\n    t.greater = 549;\n    t.question = 444;\n    t.congruent = 549;\n    t.Alpha = 722;\n    t.Beta = 667;\n    t.Chi = 722;\n    t.Delta = 612;\n    t.Epsilon = 611;\n    t.Phi = 763;\n    t.Gamma = 603;\n    t.Eta = 722;\n    t.Iota = 333;\n    t.theta1 = 631;\n    t.Kappa = 722;\n    t.Lambda = 686;\n    t.Mu = 889;\n    t.Nu = 722;\n    t.Omicron = 722;\n    t.Pi = 768;\n    t.Theta = 741;\n    t.Rho = 556;\n    t.Sigma = 592;\n    t.Tau = 611;\n    t.Upsilon = 690;\n    t.sigma1 = 439;\n    t.Omega = 768;\n    t.Xi = 645;\n    t.Psi = 795;\n    t.Zeta = 611;\n    t.bracketleft = 333;\n    t.therefore = 863;\n    t.bracketright = 333;\n    t.perpendicular = 658;\n    t.underscore = 500;\n    t.radicalex = 500;\n    t.alpha = 631;\n    t.beta = 549;\n    t.chi = 549;\n    t.delta = 494;\n    t.epsilon = 439;\n    t.phi = 521;\n    t.gamma = 411;\n    t.eta = 603;\n    t.iota = 329;\n    t.phi1 = 603;\n    t.kappa = 549;\n    t.lambda = 549;\n    t.mu = 576;\n    t.nu = 521;\n    t.omicron = 549;\n    t.pi = 549;\n    t.theta = 521;\n    t.rho = 549;\n    t.sigma = 603;\n    t.tau = 439;\n    t.upsilon = 576;\n    t.omega1 = 713;\n    t.omega = 686;\n    t.xi = 493;\n    t.psi = 686;\n    t.zeta = 494;\n    t.braceleft = 480;\n    t.bar = 200;\n    t.braceright = 480;\n    t.similar = 549;\n    t.Euro = 750;\n    t.Upsilon1 = 620;\n    t.minute = 247;\n    t.lessequal = 549;\n    t.fraction = 167;\n    t.infinity = 713;\n    t.florin = 500;\n    t.club = 753;\n    t.diamond = 753;\n    t.heart = 753;\n    t.spade = 753;\n    t.arrowboth = 1042;\n    t.arrowleft = 987;\n    t.arrowup = 603;\n    t.arrowright = 987;\n    t.arrowdown = 603;\n    t.degree = 400;\n    t.plusminus = 549;\n    t.second = 411;\n    t.greaterequal = 549;\n    t.multiply = 549;\n    t.proportional = 713;\n    t.partialdiff = 494;\n    t.bullet = 460;\n    t.divide = 549;\n    t.notequal = 549;\n    t.equivalence = 549;\n    t.approxequal = 549;\n    t.ellipsis = 1000;\n    t.arrowvertex = 603;\n    t.arrowhorizex = 1000;\n    t.carriagereturn = 658;\n    t.aleph = 823;\n    t.Ifraktur = 686;\n    t.Rfraktur = 795;\n    t.weierstrass = 987;\n    t.circlemultiply = 768;\n    t.circleplus = 768;\n    t.emptyset = 823;\n    t.intersection = 768;\n    t.union = 768;\n    t.propersuperset = 713;\n    t.reflexsuperset = 713;\n    t.notsubset = 713;\n    t.propersubset = 713;\n    t.reflexsubset = 713;\n    t.element = 713;\n    t.notelement = 713;\n    t.angle = 768;\n    t.gradient = 713;\n    t.registerserif = 790;\n    t.copyrightserif = 790;\n    t.trademarkserif = 890;\n    t.product = 823;\n    t.radical = 549;\n    t.dotmath = 250;\n    t.logicalnot = 713;\n    t.logicaland = 603;\n    t.logicalor = 603;\n    t.arrowdblboth = 1042;\n    t.arrowdblleft = 987;\n    t.arrowdblup = 603;\n    t.arrowdblright = 987;\n    t.arrowdbldown = 603;\n    t.lozenge = 494;\n    t.angleleft = 329;\n    t.registersans = 790;\n    t.copyrightsans = 790;\n    t.trademarksans = 786;\n    t.summation = 713;\n    t.parenlefttp = 384;\n    t.parenleftex = 384;\n    t.parenleftbt = 384;\n    t.bracketlefttp = 384;\n    t.bracketleftex = 384;\n    t.bracketleftbt = 384;\n    t.bracelefttp = 494;\n    t.braceleftmid = 494;\n    t.braceleftbt = 494;\n    t.braceex = 494;\n    t.angleright = 329;\n    t.integral = 274;\n    t.integraltp = 686;\n    t.integralex = 686;\n    t.integralbt = 686;\n    t.parenrighttp = 384;\n    t.parenrightex = 384;\n    t.parenrightbt = 384;\n    t.bracketrighttp = 384;\n    t.bracketrightex = 384;\n    t.bracketrightbt = 384;\n    t.bracerighttp = 494;\n    t.bracerightmid = 494;\n    t.bracerightbt = 494;\n    t.apple = 790;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Roman\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 408;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 564;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 278;\n    t.semicolon = 278;\n    t.less = 564;\n    t.equal = 564;\n    t.greater = 564;\n    t.question = 444;\n    t.at = 921;\n    t.A = 722;\n    t.B = 667;\n    t.C = 667;\n    t.D = 722;\n    t.E = 611;\n    t.F = 556;\n    t.G = 722;\n    t.H = 722;\n    t.I = 333;\n    t.J = 389;\n    t.K = 722;\n    t.L = 611;\n    t.M = 889;\n    t.N = 722;\n    t.O = 722;\n    t.P = 556;\n    t.Q = 722;\n    t.R = 667;\n    t.S = 556;\n    t.T = 611;\n    t.U = 722;\n    t.V = 722;\n    t.W = 944;\n    t.X = 722;\n    t.Y = 722;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 469;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 444;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 500;\n    t.i = 278;\n    t.j = 278;\n    t.k = 500;\n    t.l = 278;\n    t.m = 778;\n    t.n = 500;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 333;\n    t.s = 389;\n    t.t = 278;\n    t.u = 500;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 444;\n    t.braceleft = 480;\n    t.bar = 200;\n    t.braceright = 480;\n    t.asciitilde = 541;\n    t.exclamdown = 333;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 180;\n    t.quotedblleft = 444;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 453;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 444;\n    t.quotedblright = 444;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 444;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 889;\n    t.ordfeminine = 276;\n    t.Lslash = 611;\n    t.Oslash = 722;\n    t.OE = 889;\n    t.ordmasculine = 310;\n    t.ae = 667;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 500;\n    t.Idieresis = 333;\n    t.eacute = 444;\n    t.abreve = 444;\n    t.uhungarumlaut = 500;\n    t.ecaron = 444;\n    t.Ydieresis = 722;\n    t.divide = 564;\n    t.Yacute = 722;\n    t.Acircumflex = 722;\n    t.aacute = 444;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 444;\n    t.Uacute = 722;\n    t.uogonek = 500;\n    t.Edieresis = 611;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 760;\n    t.Emacron = 611;\n    t.ccaron = 444;\n    t.aring = 444;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 444;\n    t.Tcommaaccent = 611;\n    t.Cacute = 667;\n    t.atilde = 444;\n    t.Edotaccent = 611;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 667;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 500;\n    t.acircumflex = 444;\n    t.Amacron = 722;\n    t.rcaron = 333;\n    t.ccedilla = 444;\n    t.Zdotaccent = 611;\n    t.Thorn = 556;\n    t.Omacron = 722;\n    t.Racute = 667;\n    t.Sacute = 556;\n    t.dcaron = 588;\n    t.Umacron = 722;\n    t.uring = 500;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 564;\n    t.uacute = 500;\n    t.Tcaron = 611;\n    t.partialdiff = 476;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 611;\n    t.adieresis = 444;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 500;\n    t.umacron = 500;\n    t.Ncaron = 722;\n    t.Iacute = 333;\n    t.plusminus = 564;\n    t.brokenbar = 200;\n    t.registered = 760;\n    t.Gbreve = 722;\n    t.Idotaccent = 333;\n    t.summation = 600;\n    t.Egrave = 611;\n    t.racute = 333;\n    t.omacron = 500;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 326;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 444;\n    t.zacute = 444;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 444;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 500;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 611;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 344;\n    t.Kcommaaccent = 722;\n    t.Lacute = 611;\n    t.trademark = 980;\n    t.edotaccent = 444;\n    t.Igrave = 333;\n    t.Imacron = 333;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 500;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 611;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 500;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 333;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 667;\n    t.Lcommaaccent = 611;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 722;\n    t.zdotaccent = 444;\n    t.Ecaron = 611;\n    t.Iogonek = 333;\n    t.kcommaaccent = 500;\n    t.minus = 564;\n    t.Icircumflex = 333;\n    t.ncaron = 500;\n    t.tcommaaccent = 278;\n    t.logicalnot = 564;\n    t.odieresis = 500;\n    t.udieresis = 500;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 444;\n    t.ncommaaccent = 500;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Bold\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 555;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 1000;\n    t.ampersand = 833;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 570;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 570;\n    t.equal = 570;\n    t.greater = 570;\n    t.question = 500;\n    t.at = 930;\n    t.A = 722;\n    t.B = 667;\n    t.C = 722;\n    t.D = 722;\n    t.E = 667;\n    t.F = 611;\n    t.G = 778;\n    t.H = 778;\n    t.I = 389;\n    t.J = 500;\n    t.K = 778;\n    t.L = 667;\n    t.M = 944;\n    t.N = 722;\n    t.O = 778;\n    t.P = 611;\n    t.Q = 778;\n    t.R = 722;\n    t.S = 556;\n    t.T = 667;\n    t.U = 722;\n    t.V = 722;\n    t.W = 1000;\n    t.X = 722;\n    t.Y = 722;\n    t.Z = 667;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 581;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 556;\n    t.c = 444;\n    t.d = 556;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 556;\n    t.i = 278;\n    t.j = 333;\n    t.k = 556;\n    t.l = 278;\n    t.m = 833;\n    t.n = 556;\n    t.o = 500;\n    t.p = 556;\n    t.q = 556;\n    t.r = 444;\n    t.s = 389;\n    t.t = 333;\n    t.u = 556;\n    t.v = 500;\n    t.w = 722;\n    t.x = 500;\n    t.y = 500;\n    t.z = 444;\n    t.braceleft = 394;\n    t.bar = 220;\n    t.braceright = 394;\n    t.asciitilde = 520;\n    t.exclamdown = 333;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 278;\n    t.quotedblleft = 500;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 540;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 1000;\n    t.ordfeminine = 300;\n    t.Lslash = 667;\n    t.Oslash = 778;\n    t.OE = 1000;\n    t.ordmasculine = 330;\n    t.ae = 722;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 556;\n    t.Idieresis = 389;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 556;\n    t.ecaron = 444;\n    t.Ydieresis = 722;\n    t.divide = 570;\n    t.Yacute = 722;\n    t.Acircumflex = 722;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 500;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 747;\n    t.Emacron = 667;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 667;\n    t.Cacute = 722;\n    t.atilde = 500;\n    t.Edotaccent = 667;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 722;\n    t.Gcommaaccent = 778;\n    t.ucircumflex = 556;\n    t.acircumflex = 500;\n    t.Amacron = 722;\n    t.rcaron = 444;\n    t.ccedilla = 444;\n    t.Zdotaccent = 667;\n    t.Thorn = 611;\n    t.Omacron = 778;\n    t.Racute = 722;\n    t.Sacute = 556;\n    t.dcaron = 672;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 300;\n    t.Ograve = 778;\n    t.Agrave = 722;\n    t.Abreve = 722;\n    t.multiply = 570;\n    t.uacute = 556;\n    t.Tcaron = 667;\n    t.partialdiff = 494;\n    t.ydieresis = 500;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 389;\n    t.plusminus = 570;\n    t.brokenbar = 220;\n    t.registered = 747;\n    t.Gbreve = 778;\n    t.Idotaccent = 389;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 444;\n    t.omacron = 500;\n    t.Zacute = 667;\n    t.Zcaron = 667;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 722;\n    t.lcommaaccent = 278;\n    t.tcaron = 416;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 722;\n    t.Adieresis = 722;\n    t.egrave = 444;\n    t.zacute = 444;\n    t.iogonek = 278;\n    t.Oacute = 778;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 778;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 556;\n    t.twosuperior = 300;\n    t.Odieresis = 778;\n    t.mu = 556;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 667;\n    t.dcroat = 556;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 394;\n    t.Kcommaaccent = 778;\n    t.Lacute = 667;\n    t.trademark = 1000;\n    t.edotaccent = 444;\n    t.Igrave = 389;\n    t.Imacron = 389;\n    t.Lcaron = 667;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 778;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 722;\n    t.ugrave = 556;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 444;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 722;\n    t.Lcommaaccent = 667;\n    t.Atilde = 722;\n    t.Aogonek = 722;\n    t.Aring = 722;\n    t.Otilde = 778;\n    t.zdotaccent = 444;\n    t.Ecaron = 667;\n    t.Iogonek = 389;\n    t.kcommaaccent = 556;\n    t.minus = 570;\n    t.Icircumflex = 389;\n    t.ncaron = 556;\n    t.tcommaaccent = 333;\n    t.logicalnot = 570;\n    t.odieresis = 500;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 444;\n    t.ncommaaccent = 556;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-BoldItalic\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 389;\n    t.quotedbl = 555;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 570;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 570;\n    t.equal = 570;\n    t.greater = 570;\n    t.question = 500;\n    t.at = 832;\n    t.A = 667;\n    t.B = 667;\n    t.C = 667;\n    t.D = 722;\n    t.E = 667;\n    t.F = 667;\n    t.G = 722;\n    t.H = 778;\n    t.I = 389;\n    t.J = 500;\n    t.K = 667;\n    t.L = 611;\n    t.M = 889;\n    t.N = 722;\n    t.O = 722;\n    t.P = 611;\n    t.Q = 722;\n    t.R = 667;\n    t.S = 556;\n    t.T = 611;\n    t.U = 722;\n    t.V = 667;\n    t.W = 889;\n    t.X = 667;\n    t.Y = 611;\n    t.Z = 611;\n    t.bracketleft = 333;\n    t.backslash = 278;\n    t.bracketright = 333;\n    t.asciicircum = 570;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 333;\n    t.g = 500;\n    t.h = 556;\n    t.i = 278;\n    t.j = 278;\n    t.k = 500;\n    t.l = 278;\n    t.m = 778;\n    t.n = 556;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 389;\n    t.s = 389;\n    t.t = 278;\n    t.u = 556;\n    t.v = 444;\n    t.w = 667;\n    t.x = 500;\n    t.y = 444;\n    t.z = 389;\n    t.braceleft = 348;\n    t.bar = 220;\n    t.braceright = 348;\n    t.asciitilde = 570;\n    t.exclamdown = 389;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 278;\n    t.quotedblleft = 500;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 556;\n    t.fl = 556;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 500;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 500;\n    t.quotedblright = 500;\n    t.guillemotright = 500;\n    t.ellipsis = 1000;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 1000;\n    t.AE = 944;\n    t.ordfeminine = 266;\n    t.Lslash = 611;\n    t.Oslash = 722;\n    t.OE = 944;\n    t.ordmasculine = 300;\n    t.ae = 722;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 722;\n    t.germandbls = 500;\n    t.Idieresis = 389;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 556;\n    t.ecaron = 444;\n    t.Ydieresis = 611;\n    t.divide = 570;\n    t.Yacute = 611;\n    t.Acircumflex = 667;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 444;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 556;\n    t.Edieresis = 667;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 747;\n    t.Emacron = 667;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 722;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 611;\n    t.Cacute = 667;\n    t.atilde = 500;\n    t.Edotaccent = 667;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 494;\n    t.Rcaron = 667;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 556;\n    t.acircumflex = 500;\n    t.Amacron = 667;\n    t.rcaron = 389;\n    t.ccedilla = 444;\n    t.Zdotaccent = 611;\n    t.Thorn = 611;\n    t.Omacron = 722;\n    t.Racute = 667;\n    t.Sacute = 556;\n    t.dcaron = 608;\n    t.Umacron = 722;\n    t.uring = 556;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 667;\n    t.Abreve = 667;\n    t.multiply = 570;\n    t.uacute = 556;\n    t.Tcaron = 611;\n    t.partialdiff = 494;\n    t.ydieresis = 444;\n    t.Nacute = 722;\n    t.icircumflex = 278;\n    t.Ecircumflex = 667;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 556;\n    t.umacron = 556;\n    t.Ncaron = 722;\n    t.Iacute = 389;\n    t.plusminus = 570;\n    t.brokenbar = 220;\n    t.registered = 747;\n    t.Gbreve = 722;\n    t.Idotaccent = 389;\n    t.summation = 600;\n    t.Egrave = 667;\n    t.racute = 389;\n    t.omacron = 500;\n    t.Zacute = 611;\n    t.Zcaron = 611;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 366;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 667;\n    t.Adieresis = 667;\n    t.egrave = 444;\n    t.zacute = 389;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 576;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 667;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 556;\n    t.lcaron = 382;\n    t.Kcommaaccent = 667;\n    t.Lacute = 611;\n    t.trademark = 1000;\n    t.edotaccent = 444;\n    t.Igrave = 389;\n    t.Imacron = 389;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 556;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 667;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 556;\n    t.Scommaaccent = 556;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 556;\n    t.radical = 549;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 722;\n    t.otilde = 500;\n    t.Rcommaaccent = 667;\n    t.Lcommaaccent = 611;\n    t.Atilde = 667;\n    t.Aogonek = 667;\n    t.Aring = 667;\n    t.Otilde = 722;\n    t.zdotaccent = 389;\n    t.Ecaron = 667;\n    t.Iogonek = 389;\n    t.kcommaaccent = 500;\n    t.minus = 606;\n    t.Icircumflex = 389;\n    t.ncaron = 556;\n    t.tcommaaccent = 278;\n    t.logicalnot = 606;\n    t.odieresis = 500;\n    t.udieresis = 556;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 389;\n    t.ncommaaccent = 556;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t[\"Times-Italic\"] = getLookupTableFactory(function (t) {\n    t.space = 250;\n    t.exclam = 333;\n    t.quotedbl = 420;\n    t.numbersign = 500;\n    t.dollar = 500;\n    t.percent = 833;\n    t.ampersand = 778;\n    t.quoteright = 333;\n    t.parenleft = 333;\n    t.parenright = 333;\n    t.asterisk = 500;\n    t.plus = 675;\n    t.comma = 250;\n    t.hyphen = 333;\n    t.period = 250;\n    t.slash = 278;\n    t.zero = 500;\n    t.one = 500;\n    t.two = 500;\n    t.three = 500;\n    t.four = 500;\n    t.five = 500;\n    t.six = 500;\n    t.seven = 500;\n    t.eight = 500;\n    t.nine = 500;\n    t.colon = 333;\n    t.semicolon = 333;\n    t.less = 675;\n    t.equal = 675;\n    t.greater = 675;\n    t.question = 500;\n    t.at = 920;\n    t.A = 611;\n    t.B = 611;\n    t.C = 667;\n    t.D = 722;\n    t.E = 611;\n    t.F = 611;\n    t.G = 722;\n    t.H = 722;\n    t.I = 333;\n    t.J = 444;\n    t.K = 667;\n    t.L = 556;\n    t.M = 833;\n    t.N = 667;\n    t.O = 722;\n    t.P = 611;\n    t.Q = 722;\n    t.R = 611;\n    t.S = 500;\n    t.T = 556;\n    t.U = 722;\n    t.V = 611;\n    t.W = 833;\n    t.X = 611;\n    t.Y = 556;\n    t.Z = 556;\n    t.bracketleft = 389;\n    t.backslash = 278;\n    t.bracketright = 389;\n    t.asciicircum = 422;\n    t.underscore = 500;\n    t.quoteleft = 333;\n    t.a = 500;\n    t.b = 500;\n    t.c = 444;\n    t.d = 500;\n    t.e = 444;\n    t.f = 278;\n    t.g = 500;\n    t.h = 500;\n    t.i = 278;\n    t.j = 278;\n    t.k = 444;\n    t.l = 278;\n    t.m = 722;\n    t.n = 500;\n    t.o = 500;\n    t.p = 500;\n    t.q = 500;\n    t.r = 389;\n    t.s = 389;\n    t.t = 278;\n    t.u = 500;\n    t.v = 444;\n    t.w = 667;\n    t.x = 444;\n    t.y = 444;\n    t.z = 389;\n    t.braceleft = 400;\n    t.bar = 275;\n    t.braceright = 400;\n    t.asciitilde = 541;\n    t.exclamdown = 389;\n    t.cent = 500;\n    t.sterling = 500;\n    t.fraction = 167;\n    t.yen = 500;\n    t.florin = 500;\n    t.section = 500;\n    t.currency = 500;\n    t.quotesingle = 214;\n    t.quotedblleft = 556;\n    t.guillemotleft = 500;\n    t.guilsinglleft = 333;\n    t.guilsinglright = 333;\n    t.fi = 500;\n    t.fl = 500;\n    t.endash = 500;\n    t.dagger = 500;\n    t.daggerdbl = 500;\n    t.periodcentered = 250;\n    t.paragraph = 523;\n    t.bullet = 350;\n    t.quotesinglbase = 333;\n    t.quotedblbase = 556;\n    t.quotedblright = 556;\n    t.guillemotright = 500;\n    t.ellipsis = 889;\n    t.perthousand = 1000;\n    t.questiondown = 500;\n    t.grave = 333;\n    t.acute = 333;\n    t.circumflex = 333;\n    t.tilde = 333;\n    t.macron = 333;\n    t.breve = 333;\n    t.dotaccent = 333;\n    t.dieresis = 333;\n    t.ring = 333;\n    t.cedilla = 333;\n    t.hungarumlaut = 333;\n    t.ogonek = 333;\n    t.caron = 333;\n    t.emdash = 889;\n    t.AE = 889;\n    t.ordfeminine = 276;\n    t.Lslash = 556;\n    t.Oslash = 722;\n    t.OE = 944;\n    t.ordmasculine = 310;\n    t.ae = 667;\n    t.dotlessi = 278;\n    t.lslash = 278;\n    t.oslash = 500;\n    t.oe = 667;\n    t.germandbls = 500;\n    t.Idieresis = 333;\n    t.eacute = 444;\n    t.abreve = 500;\n    t.uhungarumlaut = 500;\n    t.ecaron = 444;\n    t.Ydieresis = 556;\n    t.divide = 675;\n    t.Yacute = 556;\n    t.Acircumflex = 611;\n    t.aacute = 500;\n    t.Ucircumflex = 722;\n    t.yacute = 444;\n    t.scommaaccent = 389;\n    t.ecircumflex = 444;\n    t.Uring = 722;\n    t.Udieresis = 722;\n    t.aogonek = 500;\n    t.Uacute = 722;\n    t.uogonek = 500;\n    t.Edieresis = 611;\n    t.Dcroat = 722;\n    t.commaaccent = 250;\n    t.copyright = 760;\n    t.Emacron = 611;\n    t.ccaron = 444;\n    t.aring = 500;\n    t.Ncommaaccent = 667;\n    t.lacute = 278;\n    t.agrave = 500;\n    t.Tcommaaccent = 556;\n    t.Cacute = 667;\n    t.atilde = 500;\n    t.Edotaccent = 611;\n    t.scaron = 389;\n    t.scedilla = 389;\n    t.iacute = 278;\n    t.lozenge = 471;\n    t.Rcaron = 611;\n    t.Gcommaaccent = 722;\n    t.ucircumflex = 500;\n    t.acircumflex = 500;\n    t.Amacron = 611;\n    t.rcaron = 389;\n    t.ccedilla = 444;\n    t.Zdotaccent = 556;\n    t.Thorn = 611;\n    t.Omacron = 722;\n    t.Racute = 611;\n    t.Sacute = 500;\n    t.dcaron = 544;\n    t.Umacron = 722;\n    t.uring = 500;\n    t.threesuperior = 300;\n    t.Ograve = 722;\n    t.Agrave = 611;\n    t.Abreve = 611;\n    t.multiply = 675;\n    t.uacute = 500;\n    t.Tcaron = 556;\n    t.partialdiff = 476;\n    t.ydieresis = 444;\n    t.Nacute = 667;\n    t.icircumflex = 278;\n    t.Ecircumflex = 611;\n    t.adieresis = 500;\n    t.edieresis = 444;\n    t.cacute = 444;\n    t.nacute = 500;\n    t.umacron = 500;\n    t.Ncaron = 667;\n    t.Iacute = 333;\n    t.plusminus = 675;\n    t.brokenbar = 275;\n    t.registered = 760;\n    t.Gbreve = 722;\n    t.Idotaccent = 333;\n    t.summation = 600;\n    t.Egrave = 611;\n    t.racute = 389;\n    t.omacron = 500;\n    t.Zacute = 556;\n    t.Zcaron = 556;\n    t.greaterequal = 549;\n    t.Eth = 722;\n    t.Ccedilla = 667;\n    t.lcommaaccent = 278;\n    t.tcaron = 300;\n    t.eogonek = 444;\n    t.Uogonek = 722;\n    t.Aacute = 611;\n    t.Adieresis = 611;\n    t.egrave = 444;\n    t.zacute = 389;\n    t.iogonek = 278;\n    t.Oacute = 722;\n    t.oacute = 500;\n    t.amacron = 500;\n    t.sacute = 389;\n    t.idieresis = 278;\n    t.Ocircumflex = 722;\n    t.Ugrave = 722;\n    t.Delta = 612;\n    t.thorn = 500;\n    t.twosuperior = 300;\n    t.Odieresis = 722;\n    t.mu = 500;\n    t.igrave = 278;\n    t.ohungarumlaut = 500;\n    t.Eogonek = 611;\n    t.dcroat = 500;\n    t.threequarters = 750;\n    t.Scedilla = 500;\n    t.lcaron = 300;\n    t.Kcommaaccent = 667;\n    t.Lacute = 556;\n    t.trademark = 980;\n    t.edotaccent = 444;\n    t.Igrave = 333;\n    t.Imacron = 333;\n    t.Lcaron = 611;\n    t.onehalf = 750;\n    t.lessequal = 549;\n    t.ocircumflex = 500;\n    t.ntilde = 500;\n    t.Uhungarumlaut = 722;\n    t.Eacute = 611;\n    t.emacron = 444;\n    t.gbreve = 500;\n    t.onequarter = 750;\n    t.Scaron = 500;\n    t.Scommaaccent = 500;\n    t.Ohungarumlaut = 722;\n    t.degree = 400;\n    t.ograve = 500;\n    t.Ccaron = 667;\n    t.ugrave = 500;\n    t.radical = 453;\n    t.Dcaron = 722;\n    t.rcommaaccent = 389;\n    t.Ntilde = 667;\n    t.otilde = 500;\n    t.Rcommaaccent = 611;\n    t.Lcommaaccent = 556;\n    t.Atilde = 611;\n    t.Aogonek = 611;\n    t.Aring = 611;\n    t.Otilde = 722;\n    t.zdotaccent = 389;\n    t.Ecaron = 611;\n    t.Iogonek = 333;\n    t.kcommaaccent = 444;\n    t.minus = 675;\n    t.Icircumflex = 333;\n    t.ncaron = 500;\n    t.tcommaaccent = 278;\n    t.logicalnot = 675;\n    t.odieresis = 500;\n    t.udieresis = 500;\n    t.notequal = 549;\n    t.gcommaaccent = 500;\n    t.eth = 500;\n    t.zcaron = 389;\n    t.ncommaaccent = 500;\n    t.onesuperior = 300;\n    t.imacron = 278;\n    t.Euro = 500;\n  });\n  // eslint-disable-next-line no-shadow\n  t.ZapfDingbats = getLookupTableFactory(function (t) {\n    t.space = 278;\n    t.a1 = 974;\n    t.a2 = 961;\n    t.a202 = 974;\n    t.a3 = 980;\n    t.a4 = 719;\n    t.a5 = 789;\n    t.a119 = 790;\n    t.a118 = 791;\n    t.a117 = 690;\n    t.a11 = 960;\n    t.a12 = 939;\n    t.a13 = 549;\n    t.a14 = 855;\n    t.a15 = 911;\n    t.a16 = 933;\n    t.a105 = 911;\n    t.a17 = 945;\n    t.a18 = 974;\n    t.a19 = 755;\n    t.a20 = 846;\n    t.a21 = 762;\n    t.a22 = 761;\n    t.a23 = 571;\n    t.a24 = 677;\n    t.a25 = 763;\n    t.a26 = 760;\n    t.a27 = 759;\n    t.a28 = 754;\n    t.a6 = 494;\n    t.a7 = 552;\n    t.a8 = 537;\n    t.a9 = 577;\n    t.a10 = 692;\n    t.a29 = 786;\n    t.a30 = 788;\n    t.a31 = 788;\n    t.a32 = 790;\n    t.a33 = 793;\n    t.a34 = 794;\n    t.a35 = 816;\n    t.a36 = 823;\n    t.a37 = 789;\n    t.a38 = 841;\n    t.a39 = 823;\n    t.a40 = 833;\n    t.a41 = 816;\n    t.a42 = 831;\n    t.a43 = 923;\n    t.a44 = 744;\n    t.a45 = 723;\n    t.a46 = 749;\n    t.a47 = 790;\n    t.a48 = 792;\n    t.a49 = 695;\n    t.a50 = 776;\n    t.a51 = 768;\n    t.a52 = 792;\n    t.a53 = 759;\n    t.a54 = 707;\n    t.a55 = 708;\n    t.a56 = 682;\n    t.a57 = 701;\n    t.a58 = 826;\n    t.a59 = 815;\n    t.a60 = 789;\n    t.a61 = 789;\n    t.a62 = 707;\n    t.a63 = 687;\n    t.a64 = 696;\n    t.a65 = 689;\n    t.a66 = 786;\n    t.a67 = 787;\n    t.a68 = 713;\n    t.a69 = 791;\n    t.a70 = 785;\n    t.a71 = 791;\n    t.a72 = 873;\n    t.a73 = 761;\n    t.a74 = 762;\n    t.a203 = 762;\n    t.a75 = 759;\n    t.a204 = 759;\n    t.a76 = 892;\n    t.a77 = 892;\n    t.a78 = 788;\n    t.a79 = 784;\n    t.a81 = 438;\n    t.a82 = 138;\n    t.a83 = 277;\n    t.a84 = 415;\n    t.a97 = 392;\n    t.a98 = 392;\n    t.a99 = 668;\n    t.a100 = 668;\n    t.a89 = 390;\n    t.a90 = 390;\n    t.a93 = 317;\n    t.a94 = 317;\n    t.a91 = 276;\n    t.a92 = 276;\n    t.a205 = 509;\n    t.a85 = 509;\n    t.a206 = 410;\n    t.a86 = 410;\n    t.a87 = 234;\n    t.a88 = 234;\n    t.a95 = 334;\n    t.a96 = 334;\n    t.a101 = 732;\n    t.a102 = 544;\n    t.a103 = 544;\n    t.a104 = 910;\n    t.a106 = 667;\n    t.a107 = 760;\n    t.a108 = 760;\n    t.a112 = 776;\n    t.a111 = 595;\n    t.a110 = 694;\n    t.a109 = 626;\n    t.a120 = 788;\n    t.a121 = 788;\n    t.a122 = 788;\n    t.a123 = 788;\n    t.a124 = 788;\n    t.a125 = 788;\n    t.a126 = 788;\n    t.a127 = 788;\n    t.a128 = 788;\n    t.a129 = 788;\n    t.a130 = 788;\n    t.a131 = 788;\n    t.a132 = 788;\n    t.a133 = 788;\n    t.a134 = 788;\n    t.a135 = 788;\n    t.a136 = 788;\n    t.a137 = 788;\n    t.a138 = 788;\n    t.a139 = 788;\n    t.a140 = 788;\n    t.a141 = 788;\n    t.a142 = 788;\n    t.a143 = 788;\n    t.a144 = 788;\n    t.a145 = 788;\n    t.a146 = 788;\n    t.a147 = 788;\n    t.a148 = 788;\n    t.a149 = 788;\n    t.a150 = 788;\n    t.a151 = 788;\n    t.a152 = 788;\n    t.a153 = 788;\n    t.a154 = 788;\n    t.a155 = 788;\n    t.a156 = 788;\n    t.a157 = 788;\n    t.a158 = 788;\n    t.a159 = 788;\n    t.a160 = 894;\n    t.a161 = 838;\n    t.a163 = 1016;\n    t.a164 = 458;\n    t.a196 = 748;\n    t.a165 = 924;\n    t.a192 = 748;\n    t.a166 = 918;\n    t.a167 = 927;\n    t.a168 = 928;\n    t.a169 = 928;\n    t.a170 = 834;\n    t.a171 = 873;\n    t.a172 = 828;\n    t.a173 = 924;\n    t.a162 = 924;\n    t.a174 = 917;\n    t.a175 = 930;\n    t.a176 = 931;\n    t.a177 = 463;\n    t.a178 = 883;\n    t.a179 = 836;\n    t.a193 = 836;\n    t.a180 = 867;\n    t.a199 = 867;\n    t.a181 = 696;\n    t.a200 = 696;\n    t.a182 = 874;\n    t.a201 = 874;\n    t.a183 = 760;\n    t.a184 = 946;\n    t.a197 = 771;\n    t.a185 = 865;\n    t.a194 = 771;\n    t.a198 = 888;\n    t.a186 = 967;\n    t.a195 = 888;\n    t.a187 = 831;\n    t.a188 = 873;\n    t.a189 = 927;\n    t.a190 = 970;\n    t.a191 = 918;\n  });\n});\n\nexport { getMetrics };\n","/* Copyright 2014 Opera Software ASA\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n *\n * Based on https://code.google.com/p/smhasher/wiki/MurmurHash3.\n * Hashes roughly 100 KB per millisecond on i7 3.4 GHz.\n */\n/* eslint no-var: error */\n\nimport { isArrayBuffer, isString } from \"../shared/util.js\";\n\nconst SEED = 0xc3d2e1f0;\n// Workaround for missing math precision in JS.\nconst MASK_HIGH = 0xffff0000;\nconst MASK_LOW = 0xffff;\n\nclass MurmurHash3_64 {\n  constructor(seed) {\n    this.h1 = seed ? seed & 0xffffffff : SEED;\n    this.h2 = seed ? seed & 0xffffffff : SEED;\n  }\n\n  update(input) {\n    let data, length;\n    if (isString(input)) {\n      data = new Uint8Array(input.length * 2);\n      length = 0;\n      for (let i = 0, ii = input.length; i < ii; i++) {\n        const code = input.charCodeAt(i);\n        if (code <= 0xff) {\n          data[length++] = code;\n        } else {\n          data[length++] = code >>> 8;\n          data[length++] = code & 0xff;\n        }\n      }\n    } else if (isArrayBuffer(input)) {\n      data = input;\n      length = data.byteLength;\n    } else {\n      throw new Error(\n        \"Wrong data format in MurmurHash3_64_update. \" +\n          \"Input must be a string or array.\"\n      );\n    }\n\n    const blockCounts = length >> 2;\n    const tailLength = length - blockCounts * 4;\n    // We don't care about endianness here.\n    const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);\n    let k1 = 0,\n      k2 = 0;\n    let h1 = this.h1,\n      h2 = this.h2;\n    const C1 = 0xcc9e2d51,\n      C2 = 0x1b873593;\n    const C1_LOW = C1 & MASK_LOW,\n      C2_LOW = C2 & MASK_LOW;\n\n    for (let i = 0; i < blockCounts; i++) {\n      if (i & 1) {\n        k1 = dataUint32[i];\n        k1 = ((k1 * C1) & MASK_HIGH) | ((k1 * C1_LOW) & MASK_LOW);\n        k1 = (k1 << 15) | (k1 >>> 17);\n        k1 = ((k1 * C2) & MASK_HIGH) | ((k1 * C2_LOW) & MASK_LOW);\n        h1 ^= k1;\n        h1 = (h1 << 13) | (h1 >>> 19);\n        h1 = h1 * 5 + 0xe6546b64;\n      } else {\n        k2 = dataUint32[i];\n        k2 = ((k2 * C1) & MASK_HIGH) | ((k2 * C1_LOW) & MASK_LOW);\n        k2 = (k2 << 15) | (k2 >>> 17);\n        k2 = ((k2 * C2) & MASK_HIGH) | ((k2 * C2_LOW) & MASK_LOW);\n        h2 ^= k2;\n        h2 = (h2 << 13) | (h2 >>> 19);\n        h2 = h2 * 5 + 0xe6546b64;\n      }\n    }\n\n    k1 = 0;\n\n    switch (tailLength) {\n      case 3:\n        k1 ^= data[blockCounts * 4 + 2] << 16;\n      /* falls through */\n      case 2:\n        k1 ^= data[blockCounts * 4 + 1] << 8;\n      /* falls through */\n      case 1:\n        k1 ^= data[blockCounts * 4];\n        /* falls through */\n\n        k1 = ((k1 * C1) & MASK_HIGH) | ((k1 * C1_LOW) & MASK_LOW);\n        k1 = (k1 << 15) | (k1 >>> 17);\n        k1 = ((k1 * C2) & MASK_HIGH) | ((k1 * C2_LOW) & MASK_LOW);\n        if (blockCounts & 1) {\n          h1 ^= k1;\n        } else {\n          h2 ^= k1;\n        }\n    }\n\n    this.h1 = h1;\n    this.h2 = h2;\n  }\n\n  hexdigest() {\n    let h1 = this.h1,\n      h2 = this.h2;\n\n    h1 ^= h2 >>> 1;\n    h1 = ((h1 * 0xed558ccd) & MASK_HIGH) | ((h1 * 0x8ccd) & MASK_LOW);\n    h2 =\n      ((h2 * 0xff51afd7) & MASK_HIGH) |\n      (((((h2 << 16) | (h1 >>> 16)) * 0xafd7ed55) & MASK_HIGH) >>> 16);\n    h1 ^= h2 >>> 1;\n    h1 = ((h1 * 0x1a85ec53) & MASK_HIGH) | ((h1 * 0xec53) & MASK_LOW);\n    h2 =\n      ((h2 * 0xc4ceb9fe) & MASK_HIGH) |\n      (((((h2 << 16) | (h1 >>> 16)) * 0xb9fe1a85) & MASK_HIGH) >>> 16);\n    h1 ^= h2 >>> 1;\n\n    const hex1 = (h1 >>> 0).toString(16),\n      hex2 = (h2 >>> 0).toString(16);\n    return hex1.padStart(8, \"0\") + hex2.padStart(8, \"0\");\n  }\n}\n\nexport { MurmurHash3_64 };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, FormatError, ImageKind, info, warn } from \"../shared/util.js\";\nimport { isName, isStream, Name } from \"./primitives.js\";\nimport { ColorSpace } from \"./colorspace.js\";\nimport { DecodeStream } from \"./stream.js\";\nimport { JpegStream } from \"./jpeg_stream.js\";\nimport { JpxImage } from \"./jpx.js\";\n\n/**\n * Decode and clamp a value. The formula is different from the spec because we\n * don't decode to float range [0,1], we decode it in the [0,max] range.\n */\nfunction decodeAndClamp(value, addend, coefficient, max) {\n  value = addend + value * coefficient;\n  // Clamp the value to the range\n  if (value < 0) {\n    value = 0;\n  } else if (value > max) {\n    value = max;\n  }\n  return value;\n}\n\n/**\n * Resizes an image mask with 1 component.\n * @param {TypedArray} src - The source buffer.\n * @param {number} bpc - Number of bits per component.\n * @param {number} w1 - Original width.\n * @param {number} h1 - Original height.\n * @param {number} w2 - New width.\n * @param {number} h2 - New height.\n * @returns {TypedArray} The resized image mask buffer.\n */\nfunction resizeImageMask(src, bpc, w1, h1, w2, h2) {\n  var length = w2 * h2;\n  let dest;\n  if (bpc <= 8) {\n    dest = new Uint8Array(length);\n  } else if (bpc <= 16) {\n    dest = new Uint16Array(length);\n  } else {\n    dest = new Uint32Array(length);\n  }\n  var xRatio = w1 / w2;\n  var yRatio = h1 / h2;\n  var i,\n    j,\n    py,\n    newIndex = 0,\n    oldIndex;\n  var xScaled = new Uint16Array(w2);\n  var w1Scanline = w1;\n\n  for (i = 0; i < w2; i++) {\n    xScaled[i] = Math.floor(i * xRatio);\n  }\n  for (i = 0; i < h2; i++) {\n    py = Math.floor(i * yRatio) * w1Scanline;\n    for (j = 0; j < w2; j++) {\n      oldIndex = py + xScaled[j];\n      dest[newIndex++] = src[oldIndex];\n    }\n  }\n  return dest;\n}\n\nclass PDFImage {\n  constructor({\n    xref,\n    res,\n    image,\n    isInline = false,\n    smask = null,\n    mask = null,\n    isMask = false,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    this.image = image;\n    var dict = image.dict;\n\n    const filter = dict.get(\"Filter\");\n    if (isName(filter)) {\n      switch (filter.name) {\n        case \"JPXDecode\":\n          var jpxImage = new JpxImage();\n          jpxImage.parseImageProperties(image.stream);\n          image.stream.reset();\n\n          image.width = jpxImage.width;\n          image.height = jpxImage.height;\n          image.bitsPerComponent = jpxImage.bitsPerComponent;\n          image.numComps = jpxImage.componentsCount;\n          break;\n        case \"JBIG2Decode\":\n          image.bitsPerComponent = 1;\n          image.numComps = 1;\n          break;\n      }\n    }\n    // TODO cache rendered images?\n\n    let width = dict.get(\"Width\", \"W\");\n    let height = dict.get(\"Height\", \"H\");\n\n    if (\n      Number.isInteger(image.width) &&\n      image.width > 0 &&\n      Number.isInteger(image.height) &&\n      image.height > 0 &&\n      (image.width !== width || image.height !== height)\n    ) {\n      warn(\n        \"PDFImage - using the Width/Height of the image data, \" +\n          \"rather than the image dictionary.\"\n      );\n      width = image.width;\n      height = image.height;\n    }\n    if (width < 1 || height < 1) {\n      throw new FormatError(\n        `Invalid image width: ${width} or height: ${height}`\n      );\n    }\n    this.width = width;\n    this.height = height;\n\n    this.interpolate = dict.get(\"Interpolate\", \"I\") || false;\n    this.imageMask = dict.get(\"ImageMask\", \"IM\") || false;\n    this.matte = dict.get(\"Matte\") || false;\n\n    var bitsPerComponent = image.bitsPerComponent;\n    if (!bitsPerComponent) {\n      bitsPerComponent = dict.get(\"BitsPerComponent\", \"BPC\");\n      if (!bitsPerComponent) {\n        if (this.imageMask) {\n          bitsPerComponent = 1;\n        } else {\n          throw new FormatError(\n            `Bits per component missing in image: ${this.imageMask}`\n          );\n        }\n      }\n    }\n    this.bpc = bitsPerComponent;\n\n    if (!this.imageMask) {\n      let colorSpace = dict.getRaw(\"ColorSpace\") || dict.getRaw(\"CS\");\n      if (!colorSpace) {\n        info(\"JPX images (which do not require color spaces)\");\n        switch (image.numComps) {\n          case 1:\n            colorSpace = Name.get(\"DeviceGray\");\n            break;\n          case 3:\n            colorSpace = Name.get(\"DeviceRGB\");\n            break;\n          case 4:\n            colorSpace = Name.get(\"DeviceCMYK\");\n            break;\n          default:\n            throw new Error(\n              `JPX images with ${image.numComps} ` +\n                \"color components not supported.\"\n            );\n        }\n      }\n      this.colorSpace = ColorSpace.parse({\n        cs: colorSpace,\n        xref,\n        resources: isInline ? res : null,\n        pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n      this.numComps = this.colorSpace.numComps;\n    }\n\n    this.decode = dict.getArray(\"Decode\", \"D\");\n    this.needsDecode = false;\n    if (\n      this.decode &&\n      ((this.colorSpace &&\n        !this.colorSpace.isDefaultDecode(this.decode, bitsPerComponent)) ||\n        (isMask &&\n          !ColorSpace.isDefaultDecode(this.decode, /* numComps = */ 1)))\n    ) {\n      this.needsDecode = true;\n      // Do some preprocessing to avoid more math.\n      var max = (1 << bitsPerComponent) - 1;\n      this.decodeCoefficients = [];\n      this.decodeAddends = [];\n      const isIndexed = this.colorSpace && this.colorSpace.name === \"Indexed\";\n      for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) {\n        var dmin = this.decode[i];\n        var dmax = this.decode[i + 1];\n        this.decodeCoefficients[j] = isIndexed\n          ? (dmax - dmin) / max\n          : dmax - dmin;\n        this.decodeAddends[j] = isIndexed ? dmin : max * dmin;\n      }\n    }\n\n    if (smask) {\n      this.smask = new PDFImage({\n        xref,\n        res,\n        image: smask,\n        isInline,\n        pdfFunctionFactory,\n        localColorSpaceCache,\n      });\n    } else if (mask) {\n      if (isStream(mask)) {\n        var maskDict = mask.dict,\n          imageMask = maskDict.get(\"ImageMask\", \"IM\");\n        if (!imageMask) {\n          warn(\"Ignoring /Mask in image without /ImageMask.\");\n        } else {\n          this.mask = new PDFImage({\n            xref,\n            res,\n            image: mask,\n            isInline,\n            isMask: true,\n            pdfFunctionFactory,\n            localColorSpaceCache,\n          });\n        }\n      } else {\n        // Color key mask (just an array).\n        this.mask = mask;\n      }\n    }\n  }\n\n  /**\n   * Handles processing of image data and returns the Promise that is resolved\n   * with a PDFImage when the image is ready to be used.\n   */\n  static async buildImage({\n    xref,\n    res,\n    image,\n    isInline = false,\n    pdfFunctionFactory,\n    localColorSpaceCache,\n  }) {\n    const imageData = image;\n    let smaskData = null;\n    let maskData = null;\n\n    const smask = image.dict.get(\"SMask\");\n    const mask = image.dict.get(\"Mask\");\n\n    if (smask) {\n      smaskData = smask;\n    } else if (mask) {\n      if (isStream(mask) || Array.isArray(mask)) {\n        maskData = mask;\n      } else {\n        warn(\"Unsupported mask format.\");\n      }\n    }\n\n    return new PDFImage({\n      xref,\n      res,\n      image: imageData,\n      isInline,\n      smask: smaskData,\n      mask: maskData,\n      pdfFunctionFactory,\n      localColorSpaceCache,\n    });\n  }\n\n  static createMask({\n    imgArray,\n    width,\n    height,\n    imageIsFromDecodeStream,\n    inverseDecode,\n  }) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        imgArray instanceof Uint8ClampedArray,\n        'PDFImage.createMask: Unsupported \"imgArray\" type.'\n      );\n    }\n    // |imgArray| might not contain full data for every pixel of the mask, so\n    // we need to distinguish between |computedLength| and |actualLength|.\n    // In particular, if inverseDecode is true, then the array we return must\n    // have a length of |computedLength|.\n\n    var computedLength = ((width + 7) >> 3) * height;\n    var actualLength = imgArray.byteLength;\n    var haveFullData = computedLength === actualLength;\n    var data, i;\n\n    if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) {\n      // imgArray came from a DecodeStream and its data is in an appropriate\n      // form, so we can just transfer it.\n      data = imgArray;\n    } else if (!inverseDecode) {\n      data = new Uint8ClampedArray(actualLength);\n      data.set(imgArray);\n    } else {\n      data = new Uint8ClampedArray(computedLength);\n      data.set(imgArray);\n      for (i = actualLength; i < computedLength; i++) {\n        data[i] = 0xff;\n      }\n    }\n\n    // If necessary, invert the original mask data (but not any extra we might\n    // have added above). It's safe to modify the array -- whether it's the\n    // original or a copy, we're about to transfer it anyway, so nothing else\n    // in this thread can be relying on its contents.\n    if (inverseDecode) {\n      for (i = 0; i < actualLength; i++) {\n        data[i] ^= 0xff;\n      }\n    }\n\n    return { data, width, height };\n  }\n\n  get drawWidth() {\n    return Math.max(\n      this.width,\n      (this.smask && this.smask.width) || 0,\n      (this.mask && this.mask.width) || 0\n    );\n  }\n\n  get drawHeight() {\n    return Math.max(\n      this.height,\n      (this.smask && this.smask.height) || 0,\n      (this.mask && this.mask.height) || 0\n    );\n  }\n\n  decodeBuffer(buffer) {\n    var bpc = this.bpc;\n    var numComps = this.numComps;\n\n    var decodeAddends = this.decodeAddends;\n    var decodeCoefficients = this.decodeCoefficients;\n    var max = (1 << bpc) - 1;\n    var i, ii;\n\n    if (bpc === 1) {\n      // If the buffer needed decode that means it just needs to be inverted.\n      for (i = 0, ii = buffer.length; i < ii; i++) {\n        buffer[i] = +!buffer[i];\n      }\n      return;\n    }\n    var index = 0;\n    for (i = 0, ii = this.width * this.height; i < ii; i++) {\n      for (var j = 0; j < numComps; j++) {\n        buffer[index] = decodeAndClamp(\n          buffer[index],\n          decodeAddends[j],\n          decodeCoefficients[j],\n          max\n        );\n        index++;\n      }\n    }\n  }\n\n  getComponents(buffer) {\n    var bpc = this.bpc;\n\n    // This image doesn't require any extra work.\n    if (bpc === 8) {\n      return buffer;\n    }\n\n    var width = this.width;\n    var height = this.height;\n    var numComps = this.numComps;\n\n    var length = width * height * numComps;\n    var bufferPos = 0;\n    let output;\n    if (bpc <= 8) {\n      output = new Uint8Array(length);\n    } else if (bpc <= 16) {\n      output = new Uint16Array(length);\n    } else {\n      output = new Uint32Array(length);\n    }\n    var rowComps = width * numComps;\n\n    var max = (1 << bpc) - 1;\n    var i = 0,\n      ii,\n      buf;\n\n    if (bpc === 1) {\n      // Optimization for reading 1 bpc images.\n      var mask, loop1End, loop2End;\n      for (var j = 0; j < height; j++) {\n        loop1End = i + (rowComps & ~7);\n        loop2End = i + rowComps;\n\n        // unroll loop for all full bytes\n        while (i < loop1End) {\n          buf = buffer[bufferPos++];\n          output[i] = (buf >> 7) & 1;\n          output[i + 1] = (buf >> 6) & 1;\n          output[i + 2] = (buf >> 5) & 1;\n          output[i + 3] = (buf >> 4) & 1;\n          output[i + 4] = (buf >> 3) & 1;\n          output[i + 5] = (buf >> 2) & 1;\n          output[i + 6] = (buf >> 1) & 1;\n          output[i + 7] = buf & 1;\n          i += 8;\n        }\n\n        // handle remaining bits\n        if (i < loop2End) {\n          buf = buffer[bufferPos++];\n          mask = 128;\n          while (i < loop2End) {\n            output[i++] = +!!(buf & mask);\n            mask >>= 1;\n          }\n        }\n      }\n    } else {\n      // The general case that handles all other bpc values.\n      var bits = 0;\n      buf = 0;\n      for (i = 0, ii = length; i < ii; ++i) {\n        if (i % rowComps === 0) {\n          buf = 0;\n          bits = 0;\n        }\n\n        while (bits < bpc) {\n          buf = (buf << 8) | buffer[bufferPos++];\n          bits += 8;\n        }\n\n        var remainingBits = bits - bpc;\n        let value = buf >> remainingBits;\n        if (value < 0) {\n          value = 0;\n        } else if (value > max) {\n          value = max;\n        }\n        output[i] = value;\n        buf = buf & ((1 << remainingBits) - 1);\n        bits = remainingBits;\n      }\n    }\n    return output;\n  }\n\n  fillOpacity(rgbaBuf, width, height, actualHeight, image) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        rgbaBuf instanceof Uint8ClampedArray,\n        'PDFImage.fillOpacity: Unsupported \"rgbaBuf\" type.'\n      );\n    }\n    var smask = this.smask;\n    var mask = this.mask;\n    var alphaBuf, sw, sh, i, ii, j;\n\n    if (smask) {\n      sw = smask.width;\n      sh = smask.height;\n      alphaBuf = new Uint8ClampedArray(sw * sh);\n      smask.fillGrayBuffer(alphaBuf);\n      if (sw !== width || sh !== height) {\n        alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height);\n      }\n    } else if (mask) {\n      if (mask instanceof PDFImage) {\n        sw = mask.width;\n        sh = mask.height;\n        alphaBuf = new Uint8ClampedArray(sw * sh);\n        mask.numComps = 1;\n        mask.fillGrayBuffer(alphaBuf);\n\n        // Need to invert values in rgbaBuf\n        for (i = 0, ii = sw * sh; i < ii; ++i) {\n          alphaBuf[i] = 255 - alphaBuf[i];\n        }\n\n        if (sw !== width || sh !== height) {\n          alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height);\n        }\n      } else if (Array.isArray(mask)) {\n        // Color key mask: if any of the components are outside the range\n        // then they should be painted.\n        alphaBuf = new Uint8ClampedArray(width * height);\n        var numComps = this.numComps;\n        for (i = 0, ii = width * height; i < ii; ++i) {\n          var opacity = 0;\n          var imageOffset = i * numComps;\n          for (j = 0; j < numComps; ++j) {\n            var color = image[imageOffset + j];\n            var maskOffset = j * 2;\n            if (color < mask[maskOffset] || color > mask[maskOffset + 1]) {\n              opacity = 255;\n              break;\n            }\n          }\n          alphaBuf[i] = opacity;\n        }\n      } else {\n        throw new FormatError(\"Unknown mask format.\");\n      }\n    }\n\n    if (alphaBuf) {\n      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {\n        rgbaBuf[j] = alphaBuf[i];\n      }\n    } else {\n      // No mask.\n      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {\n        rgbaBuf[j] = 255;\n      }\n    }\n  }\n\n  undoPreblend(buffer, width, height) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        buffer instanceof Uint8ClampedArray,\n        'PDFImage.undoPreblend: Unsupported \"buffer\" type.'\n      );\n    }\n    var matte = this.smask && this.smask.matte;\n    if (!matte) {\n      return;\n    }\n    var matteRgb = this.colorSpace.getRgb(matte, 0);\n    var matteR = matteRgb[0];\n    var matteG = matteRgb[1];\n    var matteB = matteRgb[2];\n    var length = width * height * 4;\n    for (var i = 0; i < length; i += 4) {\n      var alpha = buffer[i + 3];\n      if (alpha === 0) {\n        // according formula we have to get Infinity in all components\n        // making it white (typical paper color) should be okay\n        buffer[i] = 255;\n        buffer[i + 1] = 255;\n        buffer[i + 2] = 255;\n        continue;\n      }\n      var k = 255 / alpha;\n      buffer[i] = (buffer[i] - matteR) * k + matteR;\n      buffer[i + 1] = (buffer[i + 1] - matteG) * k + matteG;\n      buffer[i + 2] = (buffer[i + 2] - matteB) * k + matteB;\n    }\n  }\n\n  createImageData(forceRGBA = false) {\n    var drawWidth = this.drawWidth;\n    var drawHeight = this.drawHeight;\n    var imgData = {\n      width: drawWidth,\n      height: drawHeight,\n      kind: 0,\n      data: null,\n      // Other fields are filled in below.\n    };\n\n    var numComps = this.numComps;\n    var originalWidth = this.width;\n    var originalHeight = this.height;\n    var bpc = this.bpc;\n\n    // Rows start at byte boundary.\n    var rowBytes = (originalWidth * numComps * bpc + 7) >> 3;\n    var imgArray;\n\n    if (!forceRGBA) {\n      // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image\n      // without any complications, we pass a same-sized copy to the main\n      // thread rather than expanding by 32x to RGBA form. This saves *lots*\n      // of memory for many scanned documents. It's also much faster.\n      //\n      // Similarly, if it is a 24-bit-per pixel RGB image without any\n      // complications, we avoid expanding by 1.333x to RGBA form.\n      var kind;\n      if (this.colorSpace.name === \"DeviceGray\" && bpc === 1) {\n        kind = ImageKind.GRAYSCALE_1BPP;\n      } else if (\n        this.colorSpace.name === \"DeviceRGB\" &&\n        bpc === 8 &&\n        !this.needsDecode\n      ) {\n        kind = ImageKind.RGB_24BPP;\n      }\n      if (\n        kind &&\n        !this.smask &&\n        !this.mask &&\n        drawWidth === originalWidth &&\n        drawHeight === originalHeight\n      ) {\n        imgData.kind = kind;\n\n        imgArray = this.getImageBytes(originalHeight * rowBytes);\n        // If imgArray came from a DecodeStream, we're safe to transfer it\n        // (and thus detach its underlying buffer) because it will constitute\n        // the entire DecodeStream's data.  But if it came from a Stream, we\n        // need to copy it because it'll only be a portion of the Stream's\n        // data, and the rest will be read later on.\n        if (this.image instanceof DecodeStream) {\n          imgData.data = imgArray;\n        } else {\n          var newArray = new Uint8ClampedArray(imgArray.length);\n          newArray.set(imgArray);\n          imgData.data = newArray;\n        }\n        if (this.needsDecode) {\n          // Invert the buffer (which must be grayscale if we reached here).\n          assert(\n            kind === ImageKind.GRAYSCALE_1BPP,\n            \"PDFImage.createImageData: The image must be grayscale.\"\n          );\n          var buffer = imgData.data;\n          for (var i = 0, ii = buffer.length; i < ii; i++) {\n            buffer[i] ^= 0xff;\n          }\n        }\n        return imgData;\n      }\n      if (this.image instanceof JpegStream && !this.smask && !this.mask) {\n        let imageLength = originalHeight * rowBytes;\n        switch (this.colorSpace.name) {\n          case \"DeviceGray\":\n            // Avoid truncating the image, since `JpegImage.getData`\n            // will expand the image data when `forceRGB === true`.\n            imageLength *= 3;\n          /* falls through */\n          case \"DeviceRGB\":\n          case \"DeviceCMYK\":\n            imgData.kind = ImageKind.RGB_24BPP;\n            imgData.data = this.getImageBytes(\n              imageLength,\n              drawWidth,\n              drawHeight,\n              /* forceRGB = */ true\n            );\n            return imgData;\n        }\n      }\n    }\n\n    imgArray = this.getImageBytes(originalHeight * rowBytes);\n    // imgArray can be incomplete (e.g. after CCITT fax encoding).\n    var actualHeight =\n      0 | (((imgArray.length / rowBytes) * drawHeight) / originalHeight);\n\n    var comps = this.getComponents(imgArray);\n\n    // If opacity data is present, use RGBA_32BPP form. Otherwise, use the\n    // more compact RGB_24BPP form if allowable.\n    var alpha01, maybeUndoPreblend;\n    if (!forceRGBA && !this.smask && !this.mask) {\n      imgData.kind = ImageKind.RGB_24BPP;\n      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 3);\n      alpha01 = 0;\n      maybeUndoPreblend = false;\n    } else {\n      imgData.kind = ImageKind.RGBA_32BPP;\n      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 4);\n      alpha01 = 1;\n      maybeUndoPreblend = true;\n\n      // Color key masking (opacity) must be performed before decoding.\n      this.fillOpacity(\n        imgData.data,\n        drawWidth,\n        drawHeight,\n        actualHeight,\n        comps\n      );\n    }\n\n    if (this.needsDecode) {\n      this.decodeBuffer(comps);\n    }\n    this.colorSpace.fillRgb(\n      imgData.data,\n      originalWidth,\n      originalHeight,\n      drawWidth,\n      drawHeight,\n      actualHeight,\n      bpc,\n      comps,\n      alpha01\n    );\n    if (maybeUndoPreblend) {\n      this.undoPreblend(imgData.data, drawWidth, actualHeight);\n    }\n\n    return imgData;\n  }\n\n  fillGrayBuffer(buffer) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        buffer instanceof Uint8ClampedArray,\n        'PDFImage.fillGrayBuffer: Unsupported \"buffer\" type.'\n      );\n    }\n    var numComps = this.numComps;\n    if (numComps !== 1) {\n      throw new FormatError(\n        `Reading gray scale from a color image: ${numComps}`\n      );\n    }\n\n    var width = this.width;\n    var height = this.height;\n    var bpc = this.bpc;\n\n    // rows start at byte boundary\n    var rowBytes = (width * numComps * bpc + 7) >> 3;\n    var imgArray = this.getImageBytes(height * rowBytes);\n\n    var comps = this.getComponents(imgArray);\n    var i, length;\n\n    if (bpc === 1) {\n      // inline decoding (= inversion) for 1 bpc images\n      length = width * height;\n      if (this.needsDecode) {\n        // invert and scale to {0, 255}\n        for (i = 0; i < length; ++i) {\n          buffer[i] = (comps[i] - 1) & 255;\n        }\n      } else {\n        // scale to {0, 255}\n        for (i = 0; i < length; ++i) {\n          buffer[i] = -comps[i] & 255;\n        }\n      }\n      return;\n    }\n\n    if (this.needsDecode) {\n      this.decodeBuffer(comps);\n    }\n    length = width * height;\n    // we aren't using a colorspace so we need to scale the value\n    var scale = 255 / ((1 << bpc) - 1);\n    for (i = 0; i < length; ++i) {\n      buffer[i] = scale * comps[i];\n    }\n  }\n\n  getImageBytes(length, drawWidth, drawHeight, forceRGB = false) {\n    this.image.reset();\n    this.image.drawWidth = drawWidth || this.width;\n    this.image.drawHeight = drawHeight || this.height;\n    this.image.forceRGB = !!forceRGB;\n    return this.image.getBytes(length, /* forceClamped = */ true);\n  }\n}\n\nexport { PDFImage };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error, prefer-const: error */\n\nimport {\n  AbortException,\n  assert,\n  createPromiseCapability,\n  MissingPDFException,\n  UnexpectedResponseException,\n  UnknownErrorException,\n} from \"./util.js\";\n\nconst CallbackKind = {\n  UNKNOWN: 0,\n  DATA: 1,\n  ERROR: 2,\n};\n\nconst StreamKind = {\n  UNKNOWN: 0,\n  CANCEL: 1,\n  CANCEL_COMPLETE: 2,\n  CLOSE: 3,\n  ENQUEUE: 4,\n  ERROR: 5,\n  PULL: 6,\n  PULL_COMPLETE: 7,\n  START_COMPLETE: 8,\n};\n\nfunction wrapReason(reason) {\n  if (\n    typeof PDFJSDev === \"undefined\" ||\n    PDFJSDev.test(\"!PRODUCTION || TESTING\")\n  ) {\n    assert(\n      reason instanceof Error ||\n        (typeof reason === \"object\" && reason !== null),\n      'wrapReason: Expected \"reason\" to be a (possibly cloned) Error.'\n    );\n  } else {\n    if (typeof reason !== \"object\" || reason === null) {\n      return reason;\n    }\n  }\n  switch (reason.name) {\n    case \"AbortException\":\n      return new AbortException(reason.message);\n    case \"MissingPDFException\":\n      return new MissingPDFException(reason.message);\n    case \"UnexpectedResponseException\":\n      return new UnexpectedResponseException(reason.message, reason.status);\n    case \"UnknownErrorException\":\n      return new UnknownErrorException(reason.message, reason.details);\n    default:\n      return new UnknownErrorException(reason.message, reason.toString());\n  }\n}\n\nclass MessageHandler {\n  constructor(sourceName, targetName, comObj) {\n    this.sourceName = sourceName;\n    this.targetName = targetName;\n    this.comObj = comObj;\n    this.callbackId = 1;\n    this.streamId = 1;\n    this.postMessageTransfers = true;\n    this.streamSinks = Object.create(null);\n    this.streamControllers = Object.create(null);\n    this.callbackCapabilities = Object.create(null);\n    this.actionHandler = Object.create(null);\n\n    this._onComObjOnMessage = event => {\n      const data = event.data;\n      if (data.targetName !== this.sourceName) {\n        return;\n      }\n      if (data.stream) {\n        this._processStreamMessage(data);\n        return;\n      }\n      if (data.callback) {\n        const callbackId = data.callbackId;\n        const capability = this.callbackCapabilities[callbackId];\n        if (!capability) {\n          throw new Error(`Cannot resolve callback ${callbackId}`);\n        }\n        delete this.callbackCapabilities[callbackId];\n\n        if (data.callback === CallbackKind.DATA) {\n          capability.resolve(data.data);\n        } else if (data.callback === CallbackKind.ERROR) {\n          capability.reject(wrapReason(data.reason));\n        } else {\n          throw new Error(\"Unexpected callback case\");\n        }\n        return;\n      }\n      const action = this.actionHandler[data.action];\n      if (!action) {\n        throw new Error(`Unknown action from worker: ${data.action}`);\n      }\n      if (data.callbackId) {\n        const cbSourceName = this.sourceName;\n        const cbTargetName = data.sourceName;\n        new Promise(function (resolve) {\n          resolve(action(data.data));\n        }).then(\n          function (result) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.DATA,\n              callbackId: data.callbackId,\n              data: result,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName: cbSourceName,\n              targetName: cbTargetName,\n              callback: CallbackKind.ERROR,\n              callbackId: data.callbackId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        return;\n      }\n      if (data.streamId) {\n        this._createStreamSink(data);\n        return;\n      }\n      action(data.data);\n    };\n    comObj.addEventListener(\"message\", this._onComObjOnMessage);\n  }\n\n  on(actionName, handler) {\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"!PRODUCTION || TESTING\")\n    ) {\n      assert(\n        typeof handler === \"function\",\n        'MessageHandler.on: Expected \"handler\" to be a function.'\n      );\n    }\n    const ah = this.actionHandler;\n    if (ah[actionName]) {\n      throw new Error(`There is already an actionName called \"${actionName}\"`);\n    }\n    ah[actionName] = handler;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   */\n  send(actionName, data, transfers) {\n    this._postMessage(\n      {\n        sourceName: this.sourceName,\n        targetName: this.targetName,\n        action: actionName,\n        data,\n      },\n      transfers\n    );\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expects that the other side will callback with the response.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {Promise} Promise to be resolved with response data.\n   */\n  sendWithPromise(actionName, data, transfers) {\n    const callbackId = this.callbackId++;\n    const capability = createPromiseCapability();\n    this.callbackCapabilities[callbackId] = capability;\n    try {\n      this._postMessage(\n        {\n          sourceName: this.sourceName,\n          targetName: this.targetName,\n          action: actionName,\n          callbackId,\n          data,\n        },\n        transfers\n      );\n    } catch (ex) {\n      capability.reject(ex);\n    }\n    return capability.promise;\n  }\n\n  /**\n   * Sends a message to the comObj to invoke the action with the supplied data.\n   * Expect that the other side will callback to signal 'start_complete'.\n   * @param {string} actionName - Action to call.\n   * @param {JSON} data - JSON data to send.\n   * @param {Object} queueingStrategy - Strategy to signal backpressure based on\n   *                 internal queue.\n   * @param {Array} [transfers] - List of transfers/ArrayBuffers.\n   * @returns {ReadableStream} ReadableStream to read data in chunks.\n   */\n  sendWithStream(actionName, data, queueingStrategy, transfers) {\n    const streamId = this.streamId++;\n    const sourceName = this.sourceName;\n    const targetName = this.targetName;\n    const comObj = this.comObj;\n\n    return new ReadableStream(\n      {\n        start: controller => {\n          const startCapability = createPromiseCapability();\n          this.streamControllers[streamId] = {\n            controller,\n            startCall: startCapability,\n            pullCall: null,\n            cancelCall: null,\n            isClosed: false,\n          };\n          this._postMessage(\n            {\n              sourceName,\n              targetName,\n              action: actionName,\n              streamId,\n              data,\n              desiredSize: controller.desiredSize,\n            },\n            transfers\n          );\n          // Return Promise for Async process, to signal success/failure.\n          return startCapability.promise;\n        },\n\n        pull: controller => {\n          const pullCapability = createPromiseCapability();\n          this.streamControllers[streamId].pullCall = pullCapability;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL,\n            streamId,\n            desiredSize: controller.desiredSize,\n          });\n          // Returning Promise will not call \"pull\"\n          // again until current pull is resolved.\n          return pullCapability.promise;\n        },\n\n        cancel: reason => {\n          assert(reason instanceof Error, \"cancel must have a valid reason\");\n          const cancelCapability = createPromiseCapability();\n          this.streamControllers[streamId].cancelCall = cancelCapability;\n          this.streamControllers[streamId].isClosed = true;\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.CANCEL,\n            streamId,\n            reason: wrapReason(reason),\n          });\n          // Return Promise to signal success or failure.\n          return cancelCapability.promise;\n        },\n      },\n      queueingStrategy\n    );\n  }\n\n  /**\n   * @private\n   */\n  _createStreamSink(data) {\n    const self = this;\n    const action = this.actionHandler[data.action];\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    const streamSink = {\n      enqueue(chunk, size = 1, transfers) {\n        if (this.isCancelled) {\n          return;\n        }\n        const lastDesiredSize = this.desiredSize;\n        this.desiredSize -= size;\n        // Enqueue decreases the desiredSize property of sink,\n        // so when it changes from positive to negative,\n        // set ready as unresolved promise.\n        if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n          this.sinkCapability = createPromiseCapability();\n          this.ready = this.sinkCapability.promise;\n        }\n        self._postMessage(\n          {\n            sourceName,\n            targetName,\n            stream: StreamKind.ENQUEUE,\n            streamId,\n            chunk,\n          },\n          transfers\n        );\n      },\n\n      close() {\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.CLOSE,\n          streamId,\n        });\n        delete self.streamSinks[streamId];\n      },\n\n      error(reason) {\n        assert(reason instanceof Error, \"error must have a valid reason\");\n        if (this.isCancelled) {\n          return;\n        }\n        this.isCancelled = true;\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.ERROR,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      },\n\n      sinkCapability: createPromiseCapability(),\n      onPull: null,\n      onCancel: null,\n      isCancelled: false,\n      desiredSize: data.desiredSize,\n      ready: null,\n    };\n\n    streamSink.sinkCapability.resolve();\n    streamSink.ready = streamSink.sinkCapability.promise;\n    this.streamSinks[streamId] = streamSink;\n    new Promise(function (resolve) {\n      resolve(action(data.data, streamSink));\n    }).then(\n      function () {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          success: true,\n        });\n      },\n      function (reason) {\n        comObj.postMessage({\n          sourceName,\n          targetName,\n          stream: StreamKind.START_COMPLETE,\n          streamId,\n          reason: wrapReason(reason),\n        });\n      }\n    );\n  }\n\n  /**\n   * @private\n   */\n  _processStreamMessage(data) {\n    const streamId = data.streamId;\n    const sourceName = this.sourceName;\n    const targetName = data.sourceName;\n    const comObj = this.comObj;\n\n    switch (data.stream) {\n      case StreamKind.START_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].startCall.resolve();\n        } else {\n          this.streamControllers[streamId].startCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].pullCall.resolve();\n        } else {\n          this.streamControllers[streamId].pullCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        break;\n      case StreamKind.PULL:\n        // Ignore any pull after close is called.\n        if (!this.streamSinks[streamId]) {\n          comObj.postMessage({\n            sourceName,\n            targetName,\n            stream: StreamKind.PULL_COMPLETE,\n            streamId,\n            success: true,\n          });\n          break;\n        }\n        // Pull increases the desiredSize property of sink,\n        // so when it changes from negative to positive,\n        // set ready property as resolved promise.\n        if (\n          this.streamSinks[streamId].desiredSize <= 0 &&\n          data.desiredSize > 0\n        ) {\n          this.streamSinks[streamId].sinkCapability.resolve();\n        }\n        // Reset desiredSize property of sink on every pull.\n        this.streamSinks[streamId].desiredSize = data.desiredSize;\n        const { onPull } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onPull && onPull());\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.PULL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        break;\n      case StreamKind.ENQUEUE:\n        assert(\n          this.streamControllers[streamId],\n          \"enqueue should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].controller.enqueue(data.chunk);\n        break;\n      case StreamKind.CLOSE:\n        assert(\n          this.streamControllers[streamId],\n          \"close should have stream controller\"\n        );\n        if (this.streamControllers[streamId].isClosed) {\n          break;\n        }\n        this.streamControllers[streamId].isClosed = true;\n        this.streamControllers[streamId].controller.close();\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.ERROR:\n        assert(\n          this.streamControllers[streamId],\n          \"error should have stream controller\"\n        );\n        this.streamControllers[streamId].controller.error(\n          wrapReason(data.reason)\n        );\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL_COMPLETE:\n        if (data.success) {\n          this.streamControllers[streamId].cancelCall.resolve();\n        } else {\n          this.streamControllers[streamId].cancelCall.reject(\n            wrapReason(data.reason)\n          );\n        }\n        this._deleteStreamController(streamId);\n        break;\n      case StreamKind.CANCEL:\n        if (!this.streamSinks[streamId]) {\n          break;\n        }\n        const { onCancel } = this.streamSinks[data.streamId];\n        new Promise(function (resolve) {\n          resolve(onCancel && onCancel(wrapReason(data.reason)));\n        }).then(\n          function () {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              success: true,\n            });\n          },\n          function (reason) {\n            comObj.postMessage({\n              sourceName,\n              targetName,\n              stream: StreamKind.CANCEL_COMPLETE,\n              streamId,\n              reason: wrapReason(reason),\n            });\n          }\n        );\n        this.streamSinks[streamId].sinkCapability.reject(\n          wrapReason(data.reason)\n        );\n        this.streamSinks[streamId].isCancelled = true;\n        delete this.streamSinks[streamId];\n        break;\n      default:\n        throw new Error(\"Unexpected stream case\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _deleteStreamController(streamId) {\n    // Delete the `streamController` only when the start, pull, and cancel\n    // capabilities have settled, to prevent `TypeError`s.\n    await Promise.allSettled(\n      [\n        this.streamControllers[streamId].startCall,\n        this.streamControllers[streamId].pullCall,\n        this.streamControllers[streamId].cancelCall,\n      ].map(function (capability) {\n        return capability && capability.promise;\n      })\n    );\n    delete this.streamControllers[streamId];\n  }\n\n  /**\n   * Sends raw message to the comObj.\n   * @param {Object} message - Raw message.\n   * @param transfers List of transfers/ArrayBuffers, or undefined.\n   * @private\n   */\n  _postMessage(message, transfers) {\n    if (transfers && this.postMessageTransfers) {\n      this.comObj.postMessage(message, transfers);\n    } else {\n      this.comObj.postMessage(message);\n    }\n  }\n\n  destroy() {\n    this.comObj.removeEventListener(\"message\", this._onComObjOnMessage);\n  }\n}\n\nexport { MessageHandler };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert } from \"../shared/util.js\";\n\n/** @implements {IPDFStream} */\nclass PDFWorkerStream {\n  constructor(msgHandler) {\n    this._msgHandler = msgHandler;\n    this._contentLength = null;\n    this._fullRequestReader = null;\n    this._rangeRequestReaders = [];\n  }\n\n  getFullReader() {\n    assert(\n      !this._fullRequestReader,\n      \"PDFWorkerStream.getFullReader can only be called once.\"\n    );\n    this._fullRequestReader = new PDFWorkerStreamReader(this._msgHandler);\n    return this._fullRequestReader;\n  }\n\n  getRangeReader(begin, end) {\n    const reader = new PDFWorkerStreamRangeReader(begin, end, this._msgHandler);\n    this._rangeRequestReaders.push(reader);\n    return reader;\n  }\n\n  cancelAllRequests(reason) {\n    if (this._fullRequestReader) {\n      this._fullRequestReader.cancel(reason);\n    }\n    const readers = this._rangeRequestReaders.slice(0);\n    readers.forEach(function (reader) {\n      reader.cancel(reason);\n    });\n  }\n}\n\n/** @implements {IPDFStreamReader} */\nclass PDFWorkerStreamReader {\n  constructor(msgHandler) {\n    this._msgHandler = msgHandler;\n    this.onProgress = null;\n\n    this._contentLength = null;\n    this._isRangeSupported = false;\n    this._isStreamingSupported = false;\n\n    const readableStream = this._msgHandler.sendWithStream(\"GetReader\");\n    this._reader = readableStream.getReader();\n\n    this._headersReady = this._msgHandler\n      .sendWithPromise(\"ReaderHeadersReady\")\n      .then(data => {\n        this._isStreamingSupported = data.isStreamingSupported;\n        this._isRangeSupported = data.isRangeSupported;\n        this._contentLength = data.contentLength;\n      });\n  }\n\n  get headersReady() {\n    return this._headersReady;\n  }\n\n  get contentLength() {\n    return this._contentLength;\n  }\n\n  get isStreamingSupported() {\n    return this._isStreamingSupported;\n  }\n\n  get isRangeSupported() {\n    return this._isRangeSupported;\n  }\n\n  async read() {\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value: undefined, done: true };\n    }\n    // `value` is wrapped into Uint8Array, we need to\n    // unwrap it to ArrayBuffer for further processing.\n    return { value: value.buffer, done: false };\n  }\n\n  cancel(reason) {\n    this._reader.cancel(reason);\n  }\n}\n\n/** @implements {IPDFStreamRangeReader} */\nclass PDFWorkerStreamRangeReader {\n  constructor(begin, end, msgHandler) {\n    this._msgHandler = msgHandler;\n    this.onProgress = null;\n\n    const readableStream = this._msgHandler.sendWithStream(\"GetRangeReader\", {\n      begin,\n      end,\n    });\n    this._reader = readableStream.getReader();\n  }\n\n  get isStreamingSupported() {\n    return false;\n  }\n\n  async read() {\n    const { value, done } = await this._reader.read();\n    if (done) {\n      return { value: undefined, done: true };\n    }\n    return { value: value.buffer, done: false };\n  }\n\n  cancel(reason) {\n    this._reader.cancel(reason);\n  }\n}\n\nexport { PDFWorkerStream };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/build/pdf.worker.min.js b/node_modules/pdfjs-dist/es5/build/pdf.worker.min.js
new file mode 100644
index 00000000..17da06b4
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/build/pdf.worker.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+!function webpackUniversalModuleDefinition(t,r){"object"==typeof exports&&"object"==typeof module?module.exports=r():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf.worker",[],r):"object"==typeof exports?exports["pdfjs-dist/build/pdf.worker"]=r():t["pdfjs-dist/build/pdf.worker"]=t.pdfjsWorker=r()}(this,(function(){return function(t){var r={};function __w_pdfjs_require__(a){if(r[a])return r[a].exports;var i=r[a]={i:a,l:!1,exports:{}};t[a].call(i.exports,i,i.exports,__w_pdfjs_require__);i.l=!0;return i.exports}__w_pdfjs_require__.m=t;__w_pdfjs_require__.c=r;__w_pdfjs_require__.d=function(t,r,a){__w_pdfjs_require__.o(t,r)||Object.defineProperty(t,r,{enumerable:!0,get:a})};__w_pdfjs_require__.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"});Object.defineProperty(t,"__esModule",{value:!0})};__w_pdfjs_require__.t=function(t,r){1&r&&(t=__w_pdfjs_require__(t));if(8&r)return t;if(4&r&&"object"==typeof t&&t&&t.__esModule)return t;var a=Object.create(null);__w_pdfjs_require__.r(a);Object.defineProperty(a,"default",{enumerable:!0,value:t});if(2&r&&"string"!=typeof t)for(var i in t)__w_pdfjs_require__.d(a,i,function(r){return t[r]}.bind(null,i));return a};__w_pdfjs_require__.n=function(t){var r=t&&t.__esModule?function getDefault(){return t.default}:function getModuleExports(){return t};__w_pdfjs_require__.d(r,"a",r);return r};__w_pdfjs_require__.o=function(t,r){return Object.prototype.hasOwnProperty.call(t,r)};__w_pdfjs_require__.p="";return __w_pdfjs_require__(__w_pdfjs_require__.s=0)}([function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});Object.defineProperty(r,"WorkerMessageHandler",{enumerable:!0,get:function get(){return i.WorkerMessageHandler}});var i=a(1)},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.WorkerMessageHandler=r.WorkerTask=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(202),l=a(203),u=a(224),h=a(7),d=a(243),p=a(244),m=a(205);function _toArray(t){return _arrayWithHoles(t)||function _iterableToArray(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}(t)||_unsupportedIterableToArray(t)||_nonIterableRest()}function _slicedToArray(t,r){return _arrayWithHoles(t)||function _iterableToArrayLimit(t,r){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(t)))return;var a=[],i=!0,o=!1,c=void 0;try{for(var l,u=t[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){a.push(l.value);if(r&&a.length===r)break}}catch(t){o=!0;c=t}finally{try{i||null==u.return||u.return()}finally{if(o)throw c}}return a}(t,r)||_unsupportedIterableToArray(t,r)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function 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IsReadableStreamDefaultReader(this)?this._closedPromise:promiseRejectedWith(defaultReaderBrandCheckException("closed"))},enumerable:!0,configurable:!0});ReadableStreamDefaultReader.prototype.cancel=function(t){return IsReadableStreamDefaultReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("cancel")):ReadableStreamReaderGenericCancel(this,t):promiseRejectedWith(defaultReaderBrandCheckException("cancel"))};ReadableStreamDefaultReader.prototype.read=function(){return IsReadableStreamDefaultReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("read from")):ReadableStreamDefaultReaderRead(this):promiseRejectedWith(defaultReaderBrandCheckException("read"))};ReadableStreamDefaultReader.prototype.releaseLock=function(){if(!IsReadableStreamDefaultReader(this))throw defaultReaderBrandCheckException("releaseLock");if(void 0!==this._ownerReadableStream){if(this._readRequests.length>0)throw new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled");ReadableStreamReaderGenericRelease(this)}};return ReadableStreamDefaultReader}();function IsReadableStreamDefaultReader(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_readRequests")}function ReadableStreamDefaultReaderRead(t){var r=t._ownerReadableStream;r._disturbed=!0;return"closed"===r._state?promiseResolvedWith(ReadableStreamCreateReadResult(void 0,!0,t._forAuthorCode)):"errored"===r._state?promiseRejectedWith(r._storedError):r._readableStreamController[p]()}function defaultReaderBrandCheckException(t){return new TypeError("ReadableStreamDefaultReader.prototype."+t+" can only be used on a ReadableStreamDefaultReader")}if("symbol"==typeof r.asyncIterator){g=((m={})[r.asyncIterator]=function(){return this},m);Object.defineProperty(g,r.asyncIterator,{enumerable:!1})}var b={next:function(){if(!1===IsReadableStreamAsyncIterator(this))return promiseRejectedWith(streamAsyncIteratorBrandCheckException("next"));var t=this._asyncIteratorReader;return void 0===t._ownerReadableStream?promiseRejectedWith(readerLockException("iterate")):transformPromiseWith(ReadableStreamDefaultReaderRead(t),(function(r){var a=r.done;a&&ReadableStreamReaderGenericRelease(t);return ReadableStreamCreateReadResult(r.value,a,!0)}))},return:function(t){if(!1===IsReadableStreamAsyncIterator(this))return promiseRejectedWith(streamAsyncIteratorBrandCheckException("next"));var r=this._asyncIteratorReader;if(void 0===r._ownerReadableStream)return promiseRejectedWith(readerLockException("finish iterating"));if(r._readRequests.length>0)return promiseRejectedWith(new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled"));if(!1===this._preventCancel){var a=ReadableStreamReaderGenericCancel(r,t);ReadableStreamReaderGenericRelease(r);return transformPromiseWith(a,(function(){return ReadableStreamCreateReadResult(t,!0,!0)}))}ReadableStreamReaderGenericRelease(r);return promiseResolvedWith(ReadableStreamCreateReadResult(t,!0,!0))}};void 0!==g&&Object.setPrototypeOf(b,g);Object.defineProperty(b,"next",{enumerable:!1});Object.defineProperty(b,"return",{enumerable:!1});function IsReadableStreamAsyncIterator(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_asyncIteratorReader")}function streamAsyncIteratorBrandCheckException(t){return new TypeError("ReadableStreamAsyncIterator."+t+" can only be used on a ReadableSteamAsyncIterator")}function DequeueValue(t){var r=t._queue.shift();t._queueTotalSize-=r.size;t._queueTotalSize<0&&(t._queueTotalSize=0);return r.value}function EnqueueValueWithSize(t,r,a){if(!IsFiniteNonNegativeNumber(a=Number(a)))throw new RangeError("Size must be a finite, non-NaN, non-negative number.");t._queue.push({value:r,size:a});t._queueTotalSize+=a}function ResetQueue(t){t._queue=new h;t._queueTotalSize=0}var v=r("[[AbortSteps]]"),S=r("[[ErrorSteps]]"),k=function(){function WritableStream(t,r){void 0===t&&(t={});void 0===r&&(r={});InitializeWritableStream(this);var a=r.size,i=r.highWaterMark;if(void 0!==t.type)throw new RangeError("Invalid type is specified");var o=MakeSizeAlgorithmFromSizeFunction(a);void 0===i&&(i=1);!function SetUpWritableStreamDefaultControllerFromUnderlyingSink(t,r,a,i){var o=Object.create(C.prototype),c=CreateAlgorithmFromUnderlyingMethod(r,"write",1,[o]),l=CreateAlgorithmFromUnderlyingMethod(r,"close",0,[]),u=CreateAlgorithmFromUnderlyingMethod(r,"abort",1,[]);SetUpWritableStreamDefaultController(t,o,(function startAlgorithm(){return InvokeOrNoop(r,"start",[o])}),c,l,u,a,i)}(this,t,i=ValidateAndNormalizeHighWaterMark(i),o)}Object.defineProperty(WritableStream.prototype,"locked",{get:function(){if(!1===IsWritableStream(this))throw streamBrandCheckException("locked");return IsWritableStreamLocked(this)},enumerable:!0,configurable:!0});WritableStream.prototype.abort=function(t){return!1===IsWritableStream(this)?promiseRejectedWith(streamBrandCheckException("abort")):!0===IsWritableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot abort a stream that already has a writer")):WritableStreamAbort(this,t)};WritableStream.prototype.close=function(){return!1===IsWritableStream(this)?promiseRejectedWith(streamBrandCheckException("close")):!0===IsWritableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot close a stream that already has a writer")):!0===WritableStreamCloseQueuedOrInFlight(this)?promiseRejectedWith(new TypeError("Cannot close an already-closing stream")):WritableStreamClose(this)};WritableStream.prototype.getWriter=function(){if(!1===IsWritableStream(this))throw streamBrandCheckException("getWriter");return AcquireWritableStreamDefaultWriter(this)};return WritableStream}();function AcquireWritableStreamDefaultWriter(t){return new w(t)}function InitializeWritableStream(t){t._state="writable";t._storedError=void 0;t._writer=void 0;t._writableStreamController=void 0;t._writeRequests=new h;t._inFlightWriteRequest=void 0;t._closeRequest=void 0;t._inFlightCloseRequest=void 0;t._pendingAbortRequest=void 0;t._backpressure=!1}function IsWritableStream(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_writableStreamController")}function IsWritableStreamLocked(t){return void 0!==t._writer}function WritableStreamAbort(t,r){var a=t._state;if("closed"===a||"errored"===a)return promiseResolvedWith(void 0);if(void 0!==t._pendingAbortRequest)return t._pendingAbortRequest._promise;var i=!1;if("erroring"===a){i=!0;r=void 0}var o=newPromise((function(a,o){t._pendingAbortRequest={_promise:void 0,_resolve:a,_reject:o,_reason:r,_wasAlreadyErroring:i}}));t._pendingAbortRequest._promise=o;!1===i&&WritableStreamStartErroring(t,r);return o}function WritableStreamClose(t){var r=t._state;if("closed"===r||"errored"===r)return promiseRejectedWith(new TypeError("The stream (in "+r+" state) is not in the writable state and cannot be closed"));var a=newPromise((function(r,a){var i={_resolve:r,_reject:a};t._closeRequest=i})),i=t._writer;void 0!==i&&!0===t._backpressure&&"writable"===r&&defaultWriterReadyPromiseResolve(i);!function WritableStreamDefaultControllerClose(t){EnqueueValueWithSize(t,"close",0);WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}(t._writableStreamController);return a}function WritableStreamDealWithRejection(t,r){"writable"!==t._state?WritableStreamFinishErroring(t):WritableStreamStartErroring(t,r)}function WritableStreamStartErroring(t,r){var a=t._writableStreamController;t._state="erroring";t._storedError=r;var i=t._writer;void 0!==i&&WritableStreamDefaultWriterEnsureReadyPromiseRejected(i,r);!1===function WritableStreamHasOperationMarkedInFlight(t){return void 0!==t._inFlightWriteRequest||void 0!==t._inFlightCloseRequest}(t)&&!0===a._started&&WritableStreamFinishErroring(t)}function WritableStreamFinishErroring(t){t._state="errored";t._writableStreamController[S]();var r=t._storedError;t._writeRequests.forEach((function(t){t._reject(r)}));t._writeRequests=new h;if(void 0!==t._pendingAbortRequest){var a=t._pendingAbortRequest;t._pendingAbortRequest=void 0;if(!0!==a._wasAlreadyErroring)uponPromise(t._writableStreamController[v](a._reason),(function(){a._resolve();WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}),(function(r){a._reject(r);WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}));else{a._reject(r);WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}}else WritableStreamRejectCloseAndClosedPromiseIfNeeded(t)}function WritableStreamCloseQueuedOrInFlight(t){return void 0!==t._closeRequest||void 0!==t._inFlightCloseRequest}function WritableStreamRejectCloseAndClosedPromiseIfNeeded(t){if(void 0!==t._closeRequest){t._closeRequest._reject(t._storedError);t._closeRequest=void 0}var r=t._writer;void 0!==r&&defaultWriterClosedPromiseReject(r,t._storedError)}function WritableStreamUpdateBackpressure(t,r){var a=t._writer;void 0!==a&&r!==t._backpressure&&(!0===r?function defaultWriterReadyPromiseReset(t){defaultWriterReadyPromiseInitialize(t)}(a):defaultWriterReadyPromiseResolve(a));t._backpressure=r}var w=function(){function WritableStreamDefaultWriter(t){if(!1===IsWritableStream(t))throw new TypeError("WritableStreamDefaultWriter can only be constructed with a WritableStream instance");if(!0===IsWritableStreamLocked(t))throw new TypeError("This stream has already been locked for exclusive writing by another writer");this._ownerWritableStream=t;t._writer=this;var r=t._state;if("writable"===r){!1===WritableStreamCloseQueuedOrInFlight(t)&&!0===t._backpressure?defaultWriterReadyPromiseInitialize(this):defaultWriterReadyPromiseInitializeAsResolved(this);defaultWriterClosedPromiseInitialize(this)}else if("erroring"===r){defaultWriterReadyPromiseInitializeAsRejected(this,t._storedError);defaultWriterClosedPromiseInitialize(this)}else if("closed"===r){defaultWriterReadyPromiseInitializeAsResolved(this);!function defaultWriterClosedPromiseInitializeAsResolved(t){defaultWriterClosedPromiseInitialize(t);defaultWriterClosedPromiseResolve(t)}(this)}else{var a=t._storedError;defaultWriterReadyPromiseInitializeAsRejected(this,a);defaultWriterClosedPromiseInitializeAsRejected(this,a)}}Object.defineProperty(WritableStreamDefaultWriter.prototype,"closed",{get:function(){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("closed")):this._closedPromise},enumerable:!0,configurable:!0});Object.defineProperty(WritableStreamDefaultWriter.prototype,"desiredSize",{get:function(){if(!1===IsWritableStreamDefaultWriter(this))throw defaultWriterBrandCheckException("desiredSize");if(void 0===this._ownerWritableStream)throw defaultWriterLockException("desiredSize");return function WritableStreamDefaultWriterGetDesiredSize(t){var r=t._ownerWritableStream,a=r._state;return"errored"===a||"erroring"===a?null:"closed"===a?0:WritableStreamDefaultControllerGetDesiredSize(r._writableStreamController)}(this)},enumerable:!0,configurable:!0});Object.defineProperty(WritableStreamDefaultWriter.prototype,"ready",{get:function(){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("ready")):this._readyPromise},enumerable:!0,configurable:!0});WritableStreamDefaultWriter.prototype.abort=function(t){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("abort")):void 0===this._ownerWritableStream?promiseRejectedWith(defaultWriterLockException("abort")):function WritableStreamDefaultWriterAbort(t,r){return WritableStreamAbort(t._ownerWritableStream,r)}(this,t)};WritableStreamDefaultWriter.prototype.close=function(){if(!1===IsWritableStreamDefaultWriter(this))return promiseRejectedWith(defaultWriterBrandCheckException("close"));var t=this._ownerWritableStream;return void 0===t?promiseRejectedWith(defaultWriterLockException("close")):!0===WritableStreamCloseQueuedOrInFlight(t)?promiseRejectedWith(new TypeError("Cannot close an already-closing stream")):WritableStreamDefaultWriterClose(this)};WritableStreamDefaultWriter.prototype.releaseLock=function(){if(!1===IsWritableStreamDefaultWriter(this))throw defaultWriterBrandCheckException("releaseLock");void 0!==this._ownerWritableStream&&WritableStreamDefaultWriterRelease(this)};WritableStreamDefaultWriter.prototype.write=function(t){return!1===IsWritableStreamDefaultWriter(this)?promiseRejectedWith(defaultWriterBrandCheckException("write")):void 0===this._ownerWritableStream?promiseRejectedWith(defaultWriterLockException("write to")):WritableStreamDefaultWriterWrite(this,t)};return WritableStreamDefaultWriter}();function IsWritableStreamDefaultWriter(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_ownerWritableStream")}function WritableStreamDefaultWriterClose(t){return WritableStreamClose(t._ownerWritableStream)}function WritableStreamDefaultWriterEnsureClosedPromiseRejected(t,r){"pending"===t._closedPromiseState?defaultWriterClosedPromiseReject(t,r):function defaultWriterClosedPromiseResetToRejected(t,r){defaultWriterClosedPromiseInitializeAsRejected(t,r)}(t,r)}function WritableStreamDefaultWriterEnsureReadyPromiseRejected(t,r){"pending"===t._readyPromiseState?defaultWriterReadyPromiseReject(t,r):function defaultWriterReadyPromiseResetToRejected(t,r){defaultWriterReadyPromiseInitializeAsRejected(t,r)}(t,r)}function WritableStreamDefaultWriterRelease(t){var r=t._ownerWritableStream,a=new TypeError("Writer was released and can no longer be used to monitor the stream's closedness");WritableStreamDefaultWriterEnsureReadyPromiseRejected(t,a);WritableStreamDefaultWriterEnsureClosedPromiseRejected(t,a);r._writer=void 0;t._ownerWritableStream=void 0}function WritableStreamDefaultWriterWrite(t,r){var a=t._ownerWritableStream,i=a._writableStreamController,o=function WritableStreamDefaultControllerGetChunkSize(t,r){try{return t._strategySizeAlgorithm(r)}catch(r){WritableStreamDefaultControllerErrorIfNeeded(t,r);return 1}}(i,r);if(a!==t._ownerWritableStream)return promiseRejectedWith(defaultWriterLockException("write to"));var c=a._state;if("errored"===c)return promiseRejectedWith(a._storedError);if(!0===WritableStreamCloseQueuedOrInFlight(a)||"closed"===c)return promiseRejectedWith(new TypeError("The stream is closing or closed and cannot be written to"));if("erroring"===c)return promiseRejectedWith(a._storedError);var l=function WritableStreamAddWriteRequest(t){return newPromise((function(r,a){var i={_resolve:r,_reject:a};t._writeRequests.push(i)}))}(a);!function WritableStreamDefaultControllerWrite(t,r,a){var i={chunk:r};try{EnqueueValueWithSize(t,i,a)}catch(r){WritableStreamDefaultControllerErrorIfNeeded(t,r);return}var o=t._controlledWritableStream;if(!1===WritableStreamCloseQueuedOrInFlight(o)&&"writable"===o._state){var c=WritableStreamDefaultControllerGetBackpressure(t);WritableStreamUpdateBackpressure(o,c)}WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}(i,r,o);return l}var C=function(){function WritableStreamDefaultController(){throw new TypeError("WritableStreamDefaultController cannot be constructed explicitly")}WritableStreamDefaultController.prototype.error=function(t){if(!1===function IsWritableStreamDefaultController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledWritableStream")}(this))throw new TypeError("WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController");"writable"===this._controlledWritableStream._state&&WritableStreamDefaultControllerError(this,t)};WritableStreamDefaultController.prototype[v]=function(t){var r=this._abortAlgorithm(t);WritableStreamDefaultControllerClearAlgorithms(this);return r};WritableStreamDefaultController.prototype[S]=function(){ResetQueue(this)};return WritableStreamDefaultController}();function SetUpWritableStreamDefaultController(t,r,a,i,o,c,l,u){r._controlledWritableStream=t;t._writableStreamController=r;r._queue=void 0;r._queueTotalSize=void 0;ResetQueue(r);r._started=!1;r._strategySizeAlgorithm=u;r._strategyHWM=l;r._writeAlgorithm=i;r._closeAlgorithm=o;r._abortAlgorithm=c;var h=WritableStreamDefaultControllerGetBackpressure(r);WritableStreamUpdateBackpressure(t,h);uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;WritableStreamDefaultControllerAdvanceQueueIfNeeded(r)}),(function(a){r._started=!0;WritableStreamDealWithRejection(t,a)}))}function WritableStreamDefaultControllerClearAlgorithms(t){t._writeAlgorithm=void 0;t._closeAlgorithm=void 0;t._abortAlgorithm=void 0;t._strategySizeAlgorithm=void 0}function WritableStreamDefaultControllerGetDesiredSize(t){return t._strategyHWM-t._queueTotalSize}function WritableStreamDefaultControllerAdvanceQueueIfNeeded(t){var r=t._controlledWritableStream;if(!1!==t._started&&void 0===r._inFlightWriteRequest)if("erroring"!==r._state){if(0!==t._queue.length){var a=function PeekQueueValue(t){return t._queue.peek().value}(t);"close"===a?function WritableStreamDefaultControllerProcessClose(t){var r=t._controlledWritableStream;!function WritableStreamMarkCloseRequestInFlight(t){t._inFlightCloseRequest=t._closeRequest;t._closeRequest=void 0}(r);DequeueValue(t);var a=t._closeAlgorithm();WritableStreamDefaultControllerClearAlgorithms(t);uponPromise(a,(function(){!function WritableStreamFinishInFlightClose(t){t._inFlightCloseRequest._resolve(void 0);t._inFlightCloseRequest=void 0;if("erroring"===t._state){t._storedError=void 0;if(void 0!==t._pendingAbortRequest){t._pendingAbortRequest._resolve();t._pendingAbortRequest=void 0}}t._state="closed";var r=t._writer;void 0!==r&&defaultWriterClosedPromiseResolve(r)}(r)}),(function(t){!function WritableStreamFinishInFlightCloseWithError(t,r){t._inFlightCloseRequest._reject(r);t._inFlightCloseRequest=void 0;if(void 0!==t._pendingAbortRequest){t._pendingAbortRequest._reject(r);t._pendingAbortRequest=void 0}WritableStreamDealWithRejection(t,r)}(r,t)}))}(t):function WritableStreamDefaultControllerProcessWrite(t,r){var a=t._controlledWritableStream;!function WritableStreamMarkFirstWriteRequestInFlight(t){t._inFlightWriteRequest=t._writeRequests.shift()}(a);uponPromise(t._writeAlgorithm(r),(function(){!function WritableStreamFinishInFlightWrite(t){t._inFlightWriteRequest._resolve(void 0);t._inFlightWriteRequest=void 0}(a);var r=a._state;DequeueValue(t);if(!1===WritableStreamCloseQueuedOrInFlight(a)&&"writable"===r){var i=WritableStreamDefaultControllerGetBackpressure(t);WritableStreamUpdateBackpressure(a,i)}WritableStreamDefaultControllerAdvanceQueueIfNeeded(t)}),(function(r){"writable"===a._state&&WritableStreamDefaultControllerClearAlgorithms(t);!function WritableStreamFinishInFlightWriteWithError(t,r){t._inFlightWriteRequest._reject(r);t._inFlightWriteRequest=void 0;WritableStreamDealWithRejection(t,r)}(a,r)}))}(t,a.chunk)}}else WritableStreamFinishErroring(r)}function WritableStreamDefaultControllerErrorIfNeeded(t,r){"writable"===t._controlledWritableStream._state&&WritableStreamDefaultControllerError(t,r)}function WritableStreamDefaultControllerGetBackpressure(t){return WritableStreamDefaultControllerGetDesiredSize(t)<=0}function WritableStreamDefaultControllerError(t,r){var a=t._controlledWritableStream;WritableStreamDefaultControllerClearAlgorithms(t);WritableStreamStartErroring(a,r)}function streamBrandCheckException(t){return new TypeError("WritableStream.prototype."+t+" can only be used on a WritableStream")}function defaultWriterBrandCheckException(t){return new TypeError("WritableStreamDefaultWriter.prototype."+t+" can only be used on a WritableStreamDefaultWriter")}function defaultWriterLockException(t){return new TypeError("Cannot "+t+" a stream using a released writer")}function defaultWriterClosedPromiseInitialize(t){t._closedPromise=newPromise((function(r,a){t._closedPromise_resolve=r;t._closedPromise_reject=a;t._closedPromiseState="pending"}))}function defaultWriterClosedPromiseInitializeAsRejected(t,r){defaultWriterClosedPromiseInitialize(t);defaultWriterClosedPromiseReject(t,r)}function defaultWriterClosedPromiseReject(t,r){setPromiseIsHandledToTrue(t._closedPromise);t._closedPromise_reject(r);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0;t._closedPromiseState="rejected"}function defaultWriterClosedPromiseResolve(t){t._closedPromise_resolve(void 0);t._closedPromise_resolve=void 0;t._closedPromise_reject=void 0;t._closedPromiseState="resolved"}function defaultWriterReadyPromiseInitialize(t){t._readyPromise=newPromise((function(r,a){t._readyPromise_resolve=r;t._readyPromise_reject=a}));t._readyPromiseState="pending"}function defaultWriterReadyPromiseInitializeAsRejected(t,r){defaultWriterReadyPromiseInitialize(t);defaultWriterReadyPromiseReject(t,r)}function defaultWriterReadyPromiseInitializeAsResolved(t){defaultWriterReadyPromiseInitialize(t);defaultWriterReadyPromiseResolve(t)}function defaultWriterReadyPromiseReject(t,r){setPromiseIsHandledToTrue(t._readyPromise);t._readyPromise_reject(r);t._readyPromise_resolve=void 0;t._readyPromise_reject=void 0;t._readyPromiseState="rejected"}function defaultWriterReadyPromiseResolve(t){t._readyPromise_resolve(void 0);t._readyPromise_resolve=void 0;t._readyPromise_reject=void 0;t._readyPromiseState="fulfilled"}function isAbortSignal(t){if("object"!=typeof t||null===t)return!1;try{return"boolean"==typeof t.aborted}catch(t){return!1}}var _="undefined"!=typeof DOMException?DOMException:void 0,x=function isDOMExceptionConstructor(t){if("function"!=typeof t&&"object"!=typeof t)return!1;try{new t;return!0}catch(t){return!1}}(_)?_:function createDOMExceptionPolyfill(){var t=function DOMException(t,r){this.message=t||"";this.name=r||"Error";Error.captureStackTrace&&Error.captureStackTrace(this,this.constructor)};t.prototype=Object.create(Error.prototype);Object.defineProperty(t.prototype,"constructor",{value:t,writable:!0,configurable:!0});return t}();function ReadableStreamPipeTo(t,r,a,i,o,c){var l=AcquireReadableStreamDefaultReader(t),u=AcquireWritableStreamDefaultWriter(r);t._disturbed=!0;var h=!1,d=promiseResolvedWith(void 0);return newPromise((function(p,m){var g;if(void 0!==c){g=function(){var a=new x("Aborted","AbortError"),c=[];!1===i&&c.push((function(){return"writable"===r._state?WritableStreamAbort(r,a):promiseResolvedWith(void 0)}));!1===o&&c.push((function(){return"readable"===t._state?ReadableStreamCancel(t,a):promiseResolvedWith(void 0)}));shutdownWithAction((function(){return Promise.all(c.map((function(t){return t()})))}),!0,a)};if(!0===c.aborted){g();return}c.addEventListener("abort",g)}isOrBecomesErrored(t,l._closedPromise,(function(t){!1===i?shutdownWithAction((function(){return WritableStreamAbort(r,t)}),!0,t):shutdown(!0,t)}));isOrBecomesErrored(r,u._closedPromise,(function(r){!1===o?shutdownWithAction((function(){return ReadableStreamCancel(t,r)}),!0,r):shutdown(!0,r)}));!function isOrBecomesClosed(t,r,a){"closed"===t._state?a():uponFulfillment(r,a)}(t,l._closedPromise,(function(){!1===a?shutdownWithAction((function(){return function WritableStreamDefaultWriterCloseWithErrorPropagation(t){var r=t._ownerWritableStream,a=r._state;return!0===WritableStreamCloseQueuedOrInFlight(r)||"closed"===a?promiseResolvedWith(void 0):"errored"===a?promiseRejectedWith(r._storedError):WritableStreamDefaultWriterClose(t)}(u)})):shutdown()}));if(!0===WritableStreamCloseQueuedOrInFlight(r)||"closed"===r._state){var y=new TypeError("the destination writable stream closed before all data could be piped to it");!1===o?shutdownWithAction((function(){return ReadableStreamCancel(t,y)}),!0,y):shutdown(!0,y)}setPromiseIsHandledToTrue(function pipeLoop(){return newPromise((function(t,r){!function next(a){a?t():PerformPromiseThen(function pipeStep(){return!0===h?promiseResolvedWith(!0):PerformPromiseThen(u._readyPromise,(function(){return PerformPromiseThen(ReadableStreamDefaultReaderRead(l),(function(t){if(!0===t.done)return!0;d=PerformPromiseThen(WritableStreamDefaultWriterWrite(u,t.value),void 0,noop);return!1}))}))}(),next,r)}(!1)}))}());function waitForWritesToFinish(){var t=d;return PerformPromiseThen(d,(function(){return t!==d?waitForWritesToFinish():void 0}))}function isOrBecomesErrored(t,r,a){"errored"===t._state?a(t._storedError):uponRejection(r,a)}function shutdownWithAction(t,a,i){if(!0!==h){h=!0;"writable"===r._state&&!1===WritableStreamCloseQueuedOrInFlight(r)?uponFulfillment(waitForWritesToFinish(),doTheRest):doTheRest()}function doTheRest(){uponPromise(t(),(function(){return finalize(a,i)}),(function(t){return finalize(!0,t)}))}}function shutdown(t,a){if(!0!==h){h=!0;"writable"===r._state&&!1===WritableStreamCloseQueuedOrInFlight(r)?uponFulfillment(waitForWritesToFinish(),(function(){return finalize(t,a)})):finalize(t,a)}}function finalize(t,r){WritableStreamDefaultWriterRelease(u);ReadableStreamReaderGenericRelease(l);void 0!==c&&c.removeEventListener("abort",g);t?m(r):p(void 0)}}))}var A=function(){function ReadableStreamDefaultController(){throw new TypeError}Object.defineProperty(ReadableStreamDefaultController.prototype,"desiredSize",{get:function(){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("desiredSize");return ReadableStreamDefaultControllerGetDesiredSize(this)},enumerable:!0,configurable:!0});ReadableStreamDefaultController.prototype.close=function(){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("close");if(!1===ReadableStreamDefaultControllerCanCloseOrEnqueue(this))throw new TypeError("The stream is not in a state that permits close");ReadableStreamDefaultControllerClose(this)};ReadableStreamDefaultController.prototype.enqueue=function(t){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("enqueue");if(!1===ReadableStreamDefaultControllerCanCloseOrEnqueue(this))throw new TypeError("The stream is not in a state that permits enqueue");return ReadableStreamDefaultControllerEnqueue(this,t)};ReadableStreamDefaultController.prototype.error=function(t){if(!1===IsReadableStreamDefaultController(this))throw defaultControllerBrandCheckException("error");ReadableStreamDefaultControllerError(this,t)};ReadableStreamDefaultController.prototype[d]=function(t){ResetQueue(this);var r=this._cancelAlgorithm(t);ReadableStreamDefaultControllerClearAlgorithms(this);return r};ReadableStreamDefaultController.prototype[p]=function(){var t=this._controlledReadableStream;if(this._queue.length>0){var r=DequeueValue(this);if(!0===this._closeRequested&&0===this._queue.length){ReadableStreamDefaultControllerClearAlgorithms(this);ReadableStreamClose(t)}else ReadableStreamDefaultControllerCallPullIfNeeded(this);return promiseResolvedWith(ReadableStreamCreateReadResult(r,!1,t._reader._forAuthorCode))}var a=ReadableStreamAddReadRequest(t);ReadableStreamDefaultControllerCallPullIfNeeded(this);return a};return ReadableStreamDefaultController}();function IsReadableStreamDefaultController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledReadableStream")}function ReadableStreamDefaultControllerCallPullIfNeeded(t){if(!1!==ReadableStreamDefaultControllerShouldCallPull(t))if(!0!==t._pulling){t._pulling=!0;uponPromise(t._pullAlgorithm(),(function(){t._pulling=!1;if(!0===t._pullAgain){t._pullAgain=!1;ReadableStreamDefaultControllerCallPullIfNeeded(t)}}),(function(r){ReadableStreamDefaultControllerError(t,r)}))}else t._pullAgain=!0}function ReadableStreamDefaultControllerShouldCallPull(t){var r=t._controlledReadableStream;return!1!==ReadableStreamDefaultControllerCanCloseOrEnqueue(t)&&!1!==t._started&&(!0===IsReadableStreamLocked(r)&&ReadableStreamGetNumReadRequests(r)>0||ReadableStreamDefaultControllerGetDesiredSize(t)>0)}function ReadableStreamDefaultControllerClearAlgorithms(t){t._pullAlgorithm=void 0;t._cancelAlgorithm=void 0;t._strategySizeAlgorithm=void 0}function ReadableStreamDefaultControllerClose(t){var r=t._controlledReadableStream;t._closeRequested=!0;if(0===t._queue.length){ReadableStreamDefaultControllerClearAlgorithms(t);ReadableStreamClose(r)}}function ReadableStreamDefaultControllerEnqueue(t,r){var a=t._controlledReadableStream;if(!0===IsReadableStreamLocked(a)&&ReadableStreamGetNumReadRequests(a)>0)ReadableStreamFulfillReadRequest(a,r,!1);else{var i=void 0;try{i=t._strategySizeAlgorithm(r)}catch(r){ReadableStreamDefaultControllerError(t,r);throw r}try{EnqueueValueWithSize(t,r,i)}catch(r){ReadableStreamDefaultControllerError(t,r);throw r}}ReadableStreamDefaultControllerCallPullIfNeeded(t)}function ReadableStreamDefaultControllerError(t,r){var a=t._controlledReadableStream;if("readable"===a._state){ResetQueue(t);ReadableStreamDefaultControllerClearAlgorithms(t);ReadableStreamError(a,r)}}function ReadableStreamDefaultControllerGetDesiredSize(t){var r=t._controlledReadableStream._state;return"errored"===r?null:"closed"===r?0:t._strategyHWM-t._queueTotalSize}function ReadableStreamDefaultControllerCanCloseOrEnqueue(t){var r=t._controlledReadableStream._state;return!1===t._closeRequested&&"readable"===r}function SetUpReadableStreamDefaultController(t,r,a,i,o,c,l){r._controlledReadableStream=t;r._queue=void 0;r._queueTotalSize=void 0;ResetQueue(r);r._started=!1;r._closeRequested=!1;r._pullAgain=!1;r._pulling=!1;r._strategySizeAlgorithm=l;r._strategyHWM=c;r._pullAlgorithm=i;r._cancelAlgorithm=o;t._readableStreamController=r;uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;ReadableStreamDefaultControllerCallPullIfNeeded(r)}),(function(t){ReadableStreamDefaultControllerError(r,t)}))}function defaultControllerBrandCheckException(t){return new TypeError("ReadableStreamDefaultController.prototype."+t+" can only be used on a ReadableStreamDefaultController")}var T=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},R=function(){function ReadableStreamBYOBRequest(){throw new TypeError("ReadableStreamBYOBRequest cannot be used directly")}Object.defineProperty(ReadableStreamBYOBRequest.prototype,"view",{get:function(){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("view");return this._view},enumerable:!0,configurable:!0});ReadableStreamBYOBRequest.prototype.respond=function(t){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("respond");if(void 0===this._associatedReadableByteStreamController)throw new TypeError("This BYOB request has been invalidated");this._view.buffer;!function ReadableByteStreamControllerRespond(t,r){if(!1===IsFiniteNonNegativeNumber(r=Number(r)))throw new RangeError("bytesWritten must be a finite");ReadableByteStreamControllerRespondInternal(t,r)}(this._associatedReadableByteStreamController,t)};ReadableStreamBYOBRequest.prototype.respondWithNewView=function(t){if(!1===IsReadableStreamBYOBRequest(this))throw byobRequestBrandCheckException("respond");if(void 0===this._associatedReadableByteStreamController)throw new TypeError("This BYOB request has been invalidated");if(!ArrayBuffer.isView(t))throw new TypeError("You can only respond with array buffer views");t.buffer;!function ReadableByteStreamControllerRespondWithNewView(t,r){var a=t._pendingPullIntos.peek();if(a.byteOffset+a.bytesFilled!==r.byteOffset)throw new RangeError("The region specified by view does not match byobRequest");if(a.byteLength!==r.byteLength)throw new RangeError("The buffer of view has different capacity than byobRequest");a.buffer=r.buffer;ReadableByteStreamControllerRespondInternal(t,r.byteLength)}(this._associatedReadableByteStreamController,t)};return ReadableStreamBYOBRequest}(),I=function(){function ReadableByteStreamController(){throw new TypeError("ReadableByteStreamController constructor cannot be used directly")}Object.defineProperty(ReadableByteStreamController.prototype,"byobRequest",{get:function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("byobRequest");if(void 0===this._byobRequest&&this._pendingPullIntos.length>0){var t=this._pendingPullIntos.peek(),r=new Uint8Array(t.buffer,t.byteOffset+t.bytesFilled,t.byteLength-t.bytesFilled),a=Object.create(R.prototype);!function SetUpReadableStreamBYOBRequest(t,r,a){t._associatedReadableByteStreamController=r;t._view=a}(a,this,r);this._byobRequest=a}return this._byobRequest},enumerable:!0,configurable:!0});Object.defineProperty(ReadableByteStreamController.prototype,"desiredSize",{get:function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("desiredSize");return ReadableByteStreamControllerGetDesiredSize(this)},enumerable:!0,configurable:!0});ReadableByteStreamController.prototype.close=function(){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("close");if(!0===this._closeRequested)throw new TypeError("The stream has already been closed; do not close it again!");var t=this._controlledReadableByteStream._state;if("readable"!==t)throw new TypeError("The stream (in "+t+" state) is not in the readable state and cannot be closed");!function ReadableByteStreamControllerClose(t){var r=t._controlledReadableByteStream;if(t._queueTotalSize>0)t._closeRequested=!0;else{if(t._pendingPullIntos.length>0&&t._pendingPullIntos.peek().bytesFilled>0){var a=new TypeError("Insufficient bytes to fill elements in the given buffer");ReadableByteStreamControllerError(t,a);throw a}ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamClose(r)}}(this)};ReadableByteStreamController.prototype.enqueue=function(t){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("enqueue");if(!0===this._closeRequested)throw new TypeError("stream is closed or draining");var r=this._controlledReadableByteStream._state;if("readable"!==r)throw new TypeError("The stream (in "+r+" state) is not in the readable state and cannot be enqueued to");if(!ArrayBuffer.isView(t))throw new TypeError("You can only enqueue array buffer views when using a ReadableByteStreamController");t.buffer;!function ReadableByteStreamControllerEnqueue(t,r){var a=t._controlledReadableByteStream,i=r.buffer,o=r.byteOffset,c=r.byteLength,l=i;if(!0===ReadableStreamHasDefaultReader(a))if(0===ReadableStreamGetNumReadRequests(a))ReadableByteStreamControllerEnqueueChunkToQueue(t,l,o,c);else{var u=new Uint8Array(l,o,c);ReadableStreamFulfillReadRequest(a,u,!1)}else if(!0===ReadableStreamHasBYOBReader(a)){ReadableByteStreamControllerEnqueueChunkToQueue(t,l,o,c);ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t)}else ReadableByteStreamControllerEnqueueChunkToQueue(t,l,o,c);ReadableByteStreamControllerCallPullIfNeeded(t)}(this,t)};ReadableByteStreamController.prototype.error=function(t){if(!1===IsReadableByteStreamController(this))throw byteStreamControllerBrandCheckException("error");ReadableByteStreamControllerError(this,t)};ReadableByteStreamController.prototype[d]=function(t){this._pendingPullIntos.length>0&&(this._pendingPullIntos.peek().bytesFilled=0);ResetQueue(this);var r=this._cancelAlgorithm(t);ReadableByteStreamControllerClearAlgorithms(this);return r};ReadableByteStreamController.prototype[p]=function(){var t=this._controlledReadableByteStream;if(this._queueTotalSize>0){var r=this._queue.shift();this._queueTotalSize-=r.byteLength;ReadableByteStreamControllerHandleQueueDrain(this);var a=void 0;try{a=new Uint8Array(r.buffer,r.byteOffset,r.byteLength)}catch(t){return promiseRejectedWith(t)}return promiseResolvedWith(ReadableStreamCreateReadResult(a,!1,t._reader._forAuthorCode))}var i=this._autoAllocateChunkSize;if(void 0!==i){var o=void 0;try{o=new ArrayBuffer(i)}catch(t){return promiseRejectedWith(t)}var c={buffer:o,byteOffset:0,byteLength:i,bytesFilled:0,elementSize:1,ctor:Uint8Array,readerType:"default"};this._pendingPullIntos.push(c)}var l=ReadableStreamAddReadRequest(t);ReadableByteStreamControllerCallPullIfNeeded(this);return l};return ReadableByteStreamController}();function IsReadableByteStreamController(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_controlledReadableByteStream")}function IsReadableStreamBYOBRequest(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_associatedReadableByteStreamController")}function ReadableByteStreamControllerCallPullIfNeeded(t){if(!1!==function ReadableByteStreamControllerShouldCallPull(t){var r=t._controlledReadableByteStream;return"readable"===r._state&&(!0!==t._closeRequested&&(!1!==t._started&&(!0===ReadableStreamHasDefaultReader(r)&&ReadableStreamGetNumReadRequests(r)>0||(!0===ReadableStreamHasBYOBReader(r)&&ReadableStreamGetNumReadIntoRequests(r)>0||ReadableByteStreamControllerGetDesiredSize(t)>0))))}(t))if(!0!==t._pulling){t._pulling=!0;uponPromise(t._pullAlgorithm(),(function(){t._pulling=!1;if(!0===t._pullAgain){t._pullAgain=!1;ReadableByteStreamControllerCallPullIfNeeded(t)}}),(function(r){ReadableByteStreamControllerError(t,r)}))}else t._pullAgain=!0}function ReadableByteStreamControllerCommitPullIntoDescriptor(t,r){var a=!1;"closed"===t._state&&(a=!0);var i=ReadableByteStreamControllerConvertPullIntoDescriptor(r);"default"===r.readerType?ReadableStreamFulfillReadRequest(t,i,a):function ReadableStreamFulfillReadIntoRequest(t,r,a){var i=t._reader;i._readIntoRequests.shift()._resolve(ReadableStreamCreateReadResult(r,a,i._forAuthorCode))}(t,i,a)}function ReadableByteStreamControllerConvertPullIntoDescriptor(t){var r=t.bytesFilled,a=t.elementSize;return new t.ctor(t.buffer,t.byteOffset,r/a)}function ReadableByteStreamControllerEnqueueChunkToQueue(t,r,a,i){t._queue.push({buffer:r,byteOffset:a,byteLength:i});t._queueTotalSize+=i}function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,r){var a=r.elementSize,i=r.bytesFilled-r.bytesFilled%a,o=Math.min(t._queueTotalSize,r.byteLength-r.bytesFilled),c=r.bytesFilled+o,l=c-c%a,u=o,h=!1;if(l>i){u=l-r.bytesFilled;h=!0}for(var d,p,m,g,y,b=t._queue;u>0;){var v=b.peek(),S=Math.min(u,v.byteLength),k=r.byteOffset+r.bytesFilled;d=r.buffer,p=k,m=v.buffer,g=v.byteOffset,y=S,new Uint8Array(d).set(new Uint8Array(m,g,y),p);if(v.byteLength===S)b.shift();else{v.byteOffset+=S;v.byteLength-=S}t._queueTotalSize-=S;ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,S,r);u-=S}return h}function ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,r,a){ReadableByteStreamControllerInvalidateBYOBRequest(t);a.bytesFilled+=r}function ReadableByteStreamControllerHandleQueueDrain(t){if(0===t._queueTotalSize&&!0===t._closeRequested){ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamClose(t._controlledReadableByteStream)}else ReadableByteStreamControllerCallPullIfNeeded(t)}function ReadableByteStreamControllerInvalidateBYOBRequest(t){if(void 0!==t._byobRequest){t._byobRequest._associatedReadableByteStreamController=void 0;t._byobRequest._view=void 0;t._byobRequest=void 0}}function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t){for(;t._pendingPullIntos.length>0;){if(0===t._queueTotalSize)return;var r=t._pendingPullIntos.peek();if(!0===ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,r)){ReadableByteStreamControllerShiftPendingPullInto(t);ReadableByteStreamControllerCommitPullIntoDescriptor(t._controlledReadableByteStream,r)}}}function ReadableByteStreamControllerRespondInternal(t,r){var a=t._pendingPullIntos.peek();if("closed"===t._controlledReadableByteStream._state){if(0!==r)throw new TypeError("bytesWritten must be 0 when calling respond() on a closed stream");!function ReadableByteStreamControllerRespondInClosedState(t,r){r.buffer=r.buffer;var a=t._controlledReadableByteStream;if(!0===ReadableStreamHasBYOBReader(a))for(;ReadableStreamGetNumReadIntoRequests(a)>0;)ReadableByteStreamControllerCommitPullIntoDescriptor(a,ReadableByteStreamControllerShiftPendingPullInto(t))}(t,a)}else!function ReadableByteStreamControllerRespondInReadableState(t,r,a){if(a.bytesFilled+r>a.byteLength)throw new RangeError("bytesWritten out of range");ReadableByteStreamControllerFillHeadPullIntoDescriptor(t,r,a);if(!(a.bytesFilled<a.elementSize)){ReadableByteStreamControllerShiftPendingPullInto(t);var i=a.bytesFilled%a.elementSize;if(i>0){var o=a.byteOffset+a.bytesFilled,c=a.buffer.slice(o-i,o);ReadableByteStreamControllerEnqueueChunkToQueue(t,c,0,c.byteLength)}a.buffer=a.buffer;a.bytesFilled-=i;ReadableByteStreamControllerCommitPullIntoDescriptor(t._controlledReadableByteStream,a);ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(t)}}(t,r,a);ReadableByteStreamControllerCallPullIfNeeded(t)}function ReadableByteStreamControllerShiftPendingPullInto(t){var r=t._pendingPullIntos.shift();ReadableByteStreamControllerInvalidateBYOBRequest(t);return r}function ReadableByteStreamControllerClearAlgorithms(t){t._pullAlgorithm=void 0;t._cancelAlgorithm=void 0}function ReadableByteStreamControllerError(t,r){var a=t._controlledReadableByteStream;if("readable"===a._state){!function ReadableByteStreamControllerClearPendingPullIntos(t){ReadableByteStreamControllerInvalidateBYOBRequest(t);t._pendingPullIntos=new h}(t);ResetQueue(t);ReadableByteStreamControllerClearAlgorithms(t);ReadableStreamError(a,r)}}function ReadableByteStreamControllerGetDesiredSize(t){var r=t._controlledReadableByteStream._state;return"errored"===r?null:"closed"===r?0:t._strategyHWM-t._queueTotalSize}function SetUpReadableByteStreamControllerFromUnderlyingSource(t,r,a){var i=Object.create(I.prototype),o=CreateAlgorithmFromUnderlyingMethod(r,"pull",0,[i]),c=CreateAlgorithmFromUnderlyingMethod(r,"cancel",1,[]),l=r.autoAllocateChunkSize;if(void 0!==l){l=Number(l);if(!1===T(l)||l<=0)throw new RangeError("autoAllocateChunkSize must be a positive integer")}!function SetUpReadableByteStreamController(t,r,a,i,o,c,l){r._controlledReadableByteStream=t;r._pullAgain=!1;r._pulling=!1;r._byobRequest=void 0;r._queue=r._queueTotalSize=void 0;ResetQueue(r);r._closeRequested=!1;r._started=!1;r._strategyHWM=ValidateAndNormalizeHighWaterMark(c);r._pullAlgorithm=i;r._cancelAlgorithm=o;r._autoAllocateChunkSize=l;r._pendingPullIntos=new h;t._readableStreamController=r;uponPromise(promiseResolvedWith(a()),(function(){r._started=!0;ReadableByteStreamControllerCallPullIfNeeded(r)}),(function(t){ReadableByteStreamControllerError(r,t)}))}(t,i,(function startAlgorithm(){return InvokeOrNoop(r,"start",[i])}),o,c,a,l)}function byobRequestBrandCheckException(t){return new TypeError("ReadableStreamBYOBRequest.prototype."+t+" can only be used on a ReadableStreamBYOBRequest")}function byteStreamControllerBrandCheckException(t){return new TypeError("ReadableByteStreamController.prototype."+t+" can only be used on a ReadableByteStreamController")}function ReadableStreamAddReadIntoRequest(t){return newPromise((function(r,a){var i={_resolve:r,_reject:a};t._reader._readIntoRequests.push(i)}))}function ReadableStreamGetNumReadIntoRequests(t){return t._reader._readIntoRequests.length}function ReadableStreamHasBYOBReader(t){var r=t._reader;return void 0!==r&&!!IsReadableStreamBYOBReader(r)}var P=function(){function ReadableStreamBYOBReader(t){if(!IsReadableStream(t))throw new TypeError("ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a byte source");if(!1===IsReadableByteStreamController(t._readableStreamController))throw new TypeError("Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte source");if(IsReadableStreamLocked(t))throw new TypeError("This stream has already been locked for exclusive reading by another reader");ReadableStreamReaderGenericInitialize(this,t);this._readIntoRequests=new h}Object.defineProperty(ReadableStreamBYOBReader.prototype,"closed",{get:function(){return IsReadableStreamBYOBReader(this)?this._closedPromise:promiseRejectedWith(byobReaderBrandCheckException("closed"))},enumerable:!0,configurable:!0});ReadableStreamBYOBReader.prototype.cancel=function(t){return IsReadableStreamBYOBReader(this)?void 0===this._ownerReadableStream?promiseRejectedWith(readerLockException("cancel")):ReadableStreamReaderGenericCancel(this,t):promiseRejectedWith(byobReaderBrandCheckException("cancel"))};ReadableStreamBYOBReader.prototype.read=function(t){if(!IsReadableStreamBYOBReader(this))return promiseRejectedWith(byobReaderBrandCheckException("read"));if(void 0===this._ownerReadableStream)return promiseRejectedWith(readerLockException("read from"));if(!ArrayBuffer.isView(t))return promiseRejectedWith(new TypeError("view must be an array buffer view"));t.buffer;return 0===t.byteLength?promiseRejectedWith(new TypeError("view must have non-zero byteLength")):function ReadableStreamBYOBReaderRead(t,r){var a=t._ownerReadableStream;a._disturbed=!0;return"errored"===a._state?promiseRejectedWith(a._storedError):function ReadableByteStreamControllerPullInto(t,r){var a=t._controlledReadableByteStream,i=1;r.constructor!==DataView&&(i=r.constructor.BYTES_PER_ELEMENT);var o=r.constructor,c={buffer:r.buffer,byteOffset:r.byteOffset,byteLength:r.byteLength,bytesFilled:0,elementSize:i,ctor:o,readerType:"byob"};if(t._pendingPullIntos.length>0){t._pendingPullIntos.push(c);return ReadableStreamAddReadIntoRequest(a)}if("closed"===a._state)return promiseResolvedWith(ReadableStreamCreateReadResult(new o(c.buffer,c.byteOffset,0),!0,a._reader._forAuthorCode));if(t._queueTotalSize>0){if(!0===ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(t,c)){var l=ReadableByteStreamControllerConvertPullIntoDescriptor(c);ReadableByteStreamControllerHandleQueueDrain(t);return promiseResolvedWith(ReadableStreamCreateReadResult(l,!1,a._reader._forAuthorCode))}if(!0===t._closeRequested){var u=new TypeError("Insufficient bytes to fill elements in the given buffer");ReadableByteStreamControllerError(t,u);return promiseRejectedWith(u)}}t._pendingPullIntos.push(c);var h=ReadableStreamAddReadIntoRequest(a);ReadableByteStreamControllerCallPullIfNeeded(t);return h}(a._readableStreamController,r)}(this,t)};ReadableStreamBYOBReader.prototype.releaseLock=function(){if(!IsReadableStreamBYOBReader(this))throw byobReaderBrandCheckException("releaseLock");if(void 0!==this._ownerReadableStream){if(this._readIntoRequests.length>0)throw new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled");ReadableStreamReaderGenericRelease(this)}};return ReadableStreamBYOBReader}();function IsReadableStreamBYOBReader(t){return!!typeIsObject(t)&&!!Object.prototype.hasOwnProperty.call(t,"_readIntoRequests")}function byobReaderBrandCheckException(t){return new TypeError("ReadableStreamBYOBReader.prototype."+t+" can only be used on a ReadableStreamBYOBReader")}var O=function(){function ReadableStream(t,r){void 0===t&&(t={});void 0===r&&(r={});InitializeReadableStream(this);var a=r.size,i=r.highWaterMark,o=t.type;if("bytes"===String(o)){if(void 0!==a)throw new RangeError("The strategy for a byte stream cannot have a size function");void 0===i&&(i=0);SetUpReadableByteStreamControllerFromUnderlyingSource(this,t,i=ValidateAndNormalizeHighWaterMark(i))}else{if(void 0!==o)throw new RangeError("Invalid type is specified");var c=MakeSizeAlgorithmFromSizeFunction(a);void 0===i&&(i=1);!function SetUpReadableStreamDefaultControllerFromUnderlyingSource(t,r,a,i){var o=Object.create(A.prototype),c=CreateAlgorithmFromUnderlyingMethod(r,"pull",0,[o]),l=CreateAlgorithmFromUnderlyingMethod(r,"cancel",1,[]);SetUpReadableStreamDefaultController(t,o,(function startAlgorithm(){return InvokeOrNoop(r,"start",[o])}),c,l,a,i)}(this,t,i=ValidateAndNormalizeHighWaterMark(i),c)}}Object.defineProperty(ReadableStream.prototype,"locked",{get:function(){if(!1===IsReadableStream(this))throw streamBrandCheckException$1("locked");return IsReadableStreamLocked(this)},enumerable:!0,configurable:!0});ReadableStream.prototype.cancel=function(t){return!1===IsReadableStream(this)?promiseRejectedWith(streamBrandCheckException$1("cancel")):!0===IsReadableStreamLocked(this)?promiseRejectedWith(new TypeError("Cannot cancel a stream that already has a reader")):ReadableStreamCancel(this,t)};ReadableStream.prototype.getReader=function(t){var r=(void 0===t?{}:t).mode;if(!1===IsReadableStream(this))throw streamBrandCheckException$1("getReader");if(void 0===r)return AcquireReadableStreamDefaultReader(this,!0);if("byob"===(r=String(r)))return function AcquireReadableStreamBYOBReader(t,r){void 0===r&&(r=!1);var a=new P(t);a._forAuthorCode=r;return a}(this,!0);throw new RangeError("Invalid mode is specified")};ReadableStream.prototype.pipeThrough=function(t,r){var a=t.writable,i=t.readable,o=void 0===r?{}:r,c=o.preventClose,l=o.preventAbort,u=o.preventCancel,h=o.signal;if(!1===IsReadableStream(this))throw streamBrandCheckException$1("pipeThrough");if(!1===IsWritableStream(a))throw new TypeError("writable argument to pipeThrough must be a WritableStream");if(!1===IsReadableStream(i))throw new TypeError("readable argument to pipeThrough must be a ReadableStream");c=Boolean(c);l=Boolean(l);u=Boolean(u);if(void 0!==h&&!isAbortSignal(h))throw new TypeError("ReadableStream.prototype.pipeThrough's signal option must be an AbortSignal");if(!0===IsReadableStreamLocked(this))throw new TypeError("ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream");if(!0===IsWritableStreamLocked(a))throw new TypeError("ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream");setPromiseIsHandledToTrue(ReadableStreamPipeTo(this,a,c,l,u,h));return i};ReadableStream.prototype.pipeTo=function(t,r){var a=void 0===r?{}:r,i=a.preventClose,o=a.preventAbort,c=a.preventCancel,l=a.signal;if(!1===IsReadableStream(this))return promiseRejectedWith(streamBrandCheckException$1("pipeTo"));if(!1===IsWritableStream(t))return promiseRejectedWith(new TypeError("ReadableStream.prototype.pipeTo's first argument must be a WritableStream"));i=Boolean(i);o=Boolean(o);c=Boolean(c);return void 0===l||isAbortSignal(l)?!0===IsReadableStreamLocked(this)?promiseRejectedWith(new TypeError("ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream")):!0===IsWritableStreamLocked(t)?promiseRejectedWith(new TypeError("ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream")):ReadableStreamPipeTo(this,t,i,o,c,l):promiseRejectedWith(new TypeError("ReadableStream.prototype.pipeTo's signal option must be an AbortSignal"))};ReadableStream.prototype.tee=function(){if(!1===IsReadableStream(this))throw streamBrandCheckException$1("tee");var t=function ReadableStreamTee(t,r){var a,i,o,c,l,u=AcquireReadableStreamDefaultReader(t),h=!1,d=!1,p=!1,m=newPromise((function(t){l=t}));function pullAlgorithm(){if(!0===h)return promiseResolvedWith(void 0);h=!0;setPromiseIsHandledToTrue(transformPromiseWith(ReadableStreamDefaultReaderRead(u),(function(t){h=!1;if(!0!==t.done){var r=t.value,a=r,i=r;!1===d&&ReadableStreamDefaultControllerEnqueue(o._readableStreamController,a);!1===p&&ReadableStreamDefaultControllerEnqueue(c._readableStreamController,i)}else{!1===d&&ReadableStreamDefaultControllerClose(o._readableStreamController);!1===p&&ReadableStreamDefaultControllerClose(c._readableStreamController)}})));return promiseResolvedWith(void 0)}function startAlgorithm(){}o=CreateReadableStream(startAlgorithm,pullAlgorithm,(function cancel1Algorithm(r){d=!0;a=r;if(!0===p){var o=createArrayFromList([a,i]),c=ReadableStreamCancel(t,o);l(c)}return m}));c=CreateReadableStream(startAlgorithm,pullAlgorithm,(function cancel2Algorithm(r){p=!0;i=r;if(!0===d){var o=createArrayFromList([a,i]),c=ReadableStreamCancel(t,o);l(c)}return 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RefSetCache(){_classCallCheck(this,RefSetCache);this._map=new Map}_createClass(RefSetCache,[{key:"get",value:function get(t){return this._map.get(t.toString())}},{key:"has",value:function has(t){return this._map.has(t.toString())}},{key:"put",value:function put(t,r){this._map.set(t.toString(),r)}},{key:"putAlias",value:function putAlias(t,r){this._map.set(t.toString(),this.get(r))}},{key:"forEach",value:function forEach(t){var r,a=_createForOfIteratorHelper(this._map.values());try{for(a.s();!(r=a.n()).done;){t(r.value)}}catch(t){a.e(t)}finally{a.f()}}},{key:"clear",value:function clear(){this._map.clear()}},{key:"size",get:function get(){return this._map.size}}]);return RefSetCache}();r.RefSetCache=p;function isName(t,r){return t instanceof c&&(void 0===r||t.name===r)}},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.NetworkPdfManager=r.LocalPdfManager=void 0;var i=function _interopRequireDefault(t){return 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LocalPdfManager}(d);r.LocalPdfManager=p;var m=function(t){_inherits(NetworkPdfManager,t);var r,a=_createSuper(NetworkPdfManager);function NetworkPdfManager(t,r,i,o,l){var h;_classCallCheck(this,NetworkPdfManager);(h=a.call(this))._docId=t;h._password=i.password;h._docBaseUrl=l;h.msgHandler=i.msgHandler;h.evaluatorOptions=o;h.streamManager=new c.ChunkedStreamManager(r,{msgHandler:i.msgHandler,length:i.length,disableAutoFetch:i.disableAutoFetch,rangeChunkSize:i.rangeChunkSize});h.pdfDocument=new u.PDFDocument(_assertThisInitialized(h),h.streamManager.getStream());return h}_createClass(NetworkPdfManager,[{key:"ensure",value:(r=_asyncToGenerator(i.default.mark((function _callee3(t,r,a){var o;return i.default.wrap((function _callee3$(i){for(;;)switch(i.prev=i.next){case 0:i.prev=0;if("function"!=typeof(o=t[r])){i.next=4;break}return i.abrupt("return",o.apply(t,a));case 4:return i.abrupt("return",o);case 7:i.prev=7;i.t0=i.catch(0);if(i.t0 instanceof l.MissingDataException){i.next=11;break}throw i.t0;case 11:i.next=13;return this.requestRange(i.t0.begin,i.t0.end);case 13:return i.abrupt("return",this.ensure(t,r,a));case 14:case"end":return i.stop()}}),_callee3,this,[[0,7]])}))),function ensure(t,a,i){return r.apply(this,arguments)})},{key:"requestRange",value:function requestRange(t,r){return this.streamManager.requestRange(t,r)}},{key:"requestLoadedStream",value:function requestLoadedStream(){this.streamManager.requestAllChunks()}},{key:"sendProgressiveData",value:function sendProgressiveData(t){this.streamManager.onReceiveData({chunk:t})}},{key:"onLoadedStream",value:function onLoadedStream(){return this.streamManager.onLoadedStream()}},{key:"terminate",value:function terminate(t){this.streamManager.abort(t)}}]);return NetworkPdfManager}(d);r.NetworkPdfManager=m},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.ChunkedStreamManager=r.ChunkedStream=void 0;var i=a(5),o=a(205);function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(a=function _unsupportedIterableToArray(t,r){if(!t)return;if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);if("Map"===a||"Set"===a)return Array.from(t);if("Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a))return _arrayLikeToArray(t,r)}(t))||r&&t&&"number"==typeof t.length){a&&(t=a);var i=0,o=function F(){};return{s:o,n:function n(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}},e:function e(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var c,l=!0,u=!1;return{s:function s(){a=t[Symbol.iterator]()},n:function n(){var t=a.next();l=t.done;return t},e:function e(t){u=!0;c=t},f:function f(){try{l||null==a.return||a.return()}finally{if(u)throw c}}}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,i=new Array(r);a<r;a++)i[a]=t[a];return i}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var c=function(){function ChunkedStream(t,r,a){_classCallCheck(this,ChunkedStream);this.bytes=new Uint8Array(t);this.start=0;this.pos=0;this.end=t;this.chunkSize=r;this._loadedChunks=new Set;this.numChunks=Math.ceil(t/r);this.manager=a;this.progressiveDataLength=0;this.lastSuccessfulEnsureByteChunk=-1}_createClass(ChunkedStream,[{key:"getMissingChunks",value:function getMissingChunks(){for(var t=[],r=0,a=this.numChunks;r<a;++r)this._loadedChunks.has(r)||t.push(r);return t}},{key:"getBaseStreams",value:function getBaseStreams(){return[this]}},{key:"allChunksLoaded",value:function allChunksLoaded(){return this.numChunksLoaded===this.numChunks}},{key:"onReceiveData",value:function onReceiveData(t,r){var a=this.chunkSize;if(t%a!=0)throw new Error("Bad begin offset: ".concat(t));var i=t+r.byteLength;if(i%a!=0&&i!==this.bytes.length)throw new Error("Bad end offset: ".concat(i));this.bytes.set(new Uint8Array(r),t);for(var o=Math.floor(t/a),c=Math.floor((i-1)/a)+1,l=o;l<c;++l)this._loadedChunks.add(l)}},{key:"onReceiveProgressiveData",value:function onReceiveProgressiveData(t){var r=this.progressiveDataLength,a=Math.floor(r/this.chunkSize);this.bytes.set(new Uint8Array(t),r);r+=t.byteLength;this.progressiveDataLength=r;for(var i=r>=this.end?this.numChunks:Math.floor(r/this.chunkSize),o=a;o<i;++o)this._loadedChunks.add(o)}},{key:"ensureByte",value:function ensureByte(t){if(!(t<this.progressiveDataLength)){var r=Math.floor(t/this.chunkSize);if(r!==this.lastSuccessfulEnsureByteChunk){if(!this._loadedChunks.has(r))throw new o.MissingDataException(t,t+1);this.lastSuccessfulEnsureByteChunk=r}}}},{key:"ensureRange",value:function ensureRange(t,r){if(!(t>=r||r<=this.progressiveDataLength))for(var a=this.chunkSize,i=Math.floor(t/a),c=Math.floor((r-1)/a)+1,l=i;l<c;++l)if(!this._loadedChunks.has(l))throw new o.MissingDataException(t,r)}},{key:"nextEmptyChunk",value:function nextEmptyChunk(t){for(var r=this.numChunks,a=0;a<r;++a){var i=(t+a)%r;if(!this._loadedChunks.has(i))return i}return null}},{key:"hasChunk",value:function hasChunk(t){return this._loadedChunks.has(t)}},{key:"getByte",value:function getByte(){var t=this.pos;if(t>=this.end)return-1;t>=this.progressiveDataLength&&this.ensureByte(t);return this.bytes[this.pos++]}},{key:"getUint16",value:function getUint16(){var t=this.getByte(),r=this.getByte();return-1===t||-1===r?-1:(t<<8)+r}},{key:"getInt32",value:function getInt32(){return(this.getByte()<<24)+(this.getByte()<<16)+(this.getByte()<<8)+this.getByte()}},{key:"getBytes",value:function getBytes(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=this.bytes,i=this.pos,o=this.end;if(!t){o>this.progressiveDataLength&&this.ensureRange(i,o);var c=a.subarray(i,o);return r?new Uint8ClampedArray(c):c}var l=i+t;l>o&&(l=o);l>this.progressiveDataLength&&this.ensureRange(i,l);this.pos=l;var u=a.subarray(i,l);return r?new Uint8ClampedArray(u):u}},{key:"peekByte",value:function peekByte(){var t=this.getByte();-1!==t&&this.pos--;return t}},{key:"peekBytes",value:function peekBytes(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=this.getBytes(t,r);this.pos-=a.length;return a}},{key:"getByteRange",value:function getByteRange(t,r){t<0&&(t=0);r>this.end&&(r=this.end);r>this.progressiveDataLength&&this.ensureRange(t,r);return this.bytes.subarray(t,r)}},{key:"skip",value:function skip(t){t||(t=1);this.pos+=t}},{key:"reset",value:function reset(){this.pos=this.start}},{key:"moveStart",value:function moveStart(){this.start=this.pos}},{key:"makeSubStream",value:function makeSubStream(t,r,a){r?t+r>this.progressiveDataLength&&this.ensureRange(t,t+r):t>=this.progressiveDataLength&&this.ensureByte(t);function ChunkedStreamSubstream(){}ChunkedStreamSubstream.prototype=Object.create(this);ChunkedStreamSubstream.prototype.getMissingChunks=function(){for(var t=this.chunkSize,r=Math.floor(this.start/t),a=Math.floor((this.end-1)/t)+1,i=[],o=r;o<a;++o)this._loadedChunks.has(o)||i.push(o);return i};ChunkedStreamSubstream.prototype.allChunksLoaded=function(){return this.numChunksLoaded===this.numChunks||0===this.getMissingChunks().length};var i=new ChunkedStreamSubstream;i.pos=i.start=t;i.end=t+r||this.end;i.dict=a;return i}},{key:"numChunksLoaded",get:function get(){return this._loadedChunks.size}},{key:"length",get:function get(){return this.end-this.start}},{key:"isEmpty",get:function get(){return 0===this.length}}]);return ChunkedStream}();r.ChunkedStream=c;var l=function(){function ChunkedStreamManager(t,r){_classCallCheck(this,ChunkedStreamManager);this.length=r.length;this.chunkSize=r.rangeChunkSize;this.stream=new c(this.length,this.chunkSize,this);this.pdfNetworkStream=t;this.disableAutoFetch=r.disableAutoFetch;this.msgHandler=r.msgHandler;this.currRequestId=0;this._chunksNeededByRequest=new Map;this._requestsByChunk=new Map;this._promisesByRequest=new Map;this.progressiveDataLength=0;this.aborted=!1;this._loadedStreamCapability=(0,i.createPromiseCapability)()}_createClass(ChunkedStreamManager,[{key:"onLoadedStream",value:function onLoadedStream(){return this._loadedStreamCapability.promise}},{key:"sendRequest",value:function sendRequest(t,r){var a=this,o=this.pdfNetworkStream.getRangeReader(t,r);o.isStreamingSupported||(o.onProgress=this.onProgress.bind(this));var c=[],l=0;new Promise((function(t,r){o.read().then((function readChunk(u){try{if(!u.done){var h=u.value;c.push(h);l+=(0,i.arrayByteLength)(h);o.isStreamingSupported&&a.onProgress({loaded:l});o.read().then(readChunk,r);return}var d=(0,i.arraysToBytes)(c);c=null;t(d)}catch(t){r(t)}}),r)})).then((function(r){a.aborted||a.onReceiveData({chunk:r,begin:t})}))}},{key:"requestAllChunks",value:function requestAllChunks(){var t=this.stream.getMissingChunks();this._requestChunks(t);return this._loadedStreamCapability.promise}},{key:"_requestChunks",value:function _requestChunks(t){var r=this,a=this.currRequestId++,o=new Set;this._chunksNeededByRequest.set(a,o);var c,l=_createForOfIteratorHelper(t);try{for(l.s();!(c=l.n()).done;){var u=c.value;this.stream.hasChunk(u)||o.add(u)}}catch(t){l.e(t)}finally{l.f()}if(0===o.size)return Promise.resolve();var 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t.every((function(t){if((t=r.xref.fetchIfRef(t)).has("Kids")){if(++a>i){(0,o.warn)("_hasOnlyDocumentSignatures: maximum recursion depth reached");return!1}return r._hasOnlyDocumentSignatures(t.get("Kids"),a)}var c=(0,l.isName)(t.get("FT"),"Sig"),u=t.get("Rect"),h=Array.isArray(u)&&u.every((function(t){return 0===t}));return c&&h}))}},{key:"_getLinearizationPage",value:function _getLinearizationPage(t){var r=this.catalog,a=this.linearization,i=l.Ref.get(a.objectNumberFirst,0);return this.xref.fetchAsync(i).then((function(t){if((0,l.isDict)(t,"Page")||(0,l.isDict)(t)&&!t.has("Type")&&t.has("Contents")){i&&!r.pageKidsCountCache.has(i)&&r.pageKidsCountCache.put(i,1);return[t,i]}throw new o.FormatError("The Linearization dictionary doesn't point to a valid Page dictionary.")})).catch((function(a){(0,o.info)(a);return r.getPageDict(t)}))}},{key:"getPage",value:function getPage(t){var r=this;if(void 0!==this._pagePromises[t])return this._pagePromises[t];var a=this.catalog,i=this.linearization,o=i&&i.pageFirst===t?this._getLinearizationPage(t):a.getPageDict(t);return this._pagePromises[t]=o.then((function(i){var o=_slicedToArray(i,2),c=o[0],l=o[1];return new v({pdfManager:r.pdfManager,xref:r.xref,pageIndex:t,pageDict:c,ref:l,globalIdFactory:r._globalIdFactory,fontCache:a.fontCache,builtInCMapCache:a.builtInCMapCache,globalImageCache:a.globalImageCache})}))}},{key:"checkFirstPage",value:function checkFirstPage(){var t=this;return this.getPage(0).catch(function(){var r=_asyncToGenerator(i.default.mark((function _callee(r){return i.default.wrap((function _callee$(a){for(;;)switch(a.prev=a.next){case 0:if(!(r instanceof u.XRefEntryException)){a.next=5;break}t._pagePromises.length=0;a.next=4;return t.cleanup();case 4:throw new u.XRefParseException;case 5:case"end":return a.stop()}}),_callee)})));return function(t){return r.apply(this,arguments)}}())}},{key:"fontFallback",value:function fontFallback(t,r){return 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h="";l>=32&&l<=57;){h+=String.fromCharCode(l);l=t.getByte()}r=parseInt(h,10);isNaN(r)&&(r=0)}}return(0,o.shadow)(this,"startXRef",r)}},{key:"numPages",get:function get(){var t=this.linearization,r=t?t.numPages:this.catalog.numPages;return(0,o.shadow)(this,"numPages",r)}},{key:"formInfo",get:function get(){var t={hasAcroForm:!1,hasXfa:!1},r=this.catalog.acroForm;if(!r)return(0,o.shadow)(this,"formInfo",t);try{var a=r.get("XFA"),i=Array.isArray(a)&&a.length>0||(0,l.isStream)(a)&&!a.isEmpty;t.hasXfa=i;var c=r.get("Fields"),h=Array.isArray(c)&&c.length>0,d=!!(1&r.get("SigFlags"))&&this._hasOnlyDocumentSignatures(c);t.hasAcroForm=h&&!d}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("Cannot fetch form information.")}return(0,o.shadow)(this,"formInfo",t)}},{key:"documentInfo",get:function get(){var t={Title:o.isString,Author:o.isString,Subject:o.isString,Keywords:o.isString,Creator:o.isString,Producer:o.isString,CreationDate:o.isString,ModDate:o.isString,Trapped:l.isName},r=this._version;if("string"!=typeof r||!C.test(r)){(0,o.warn)("Invalid PDF header version number: ".concat(r));r=null}var a,i={PDFFormatVersion:r,IsLinearized:!!this.linearization,IsAcroFormPresent:this.formInfo.hasAcroForm,IsXFAPresent:this.formInfo.hasXfa,IsCollectionPresent:!!this.catalog.collection};try{a=this.xref.trailer.get("Info")}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("The document information dictionary is invalid.")}if((0,l.isDict)(a)){var c,h=_createForOfIteratorHelper(a.getKeys());try{for(h.s();!(c=h.n()).done;){var d=c.value,p=a.get(d);if(t[d])t[d](p)?i[d]="string"!=typeof p?p:(0,o.stringToPDFString)(p):(0,o.info)('Bad value in document info for "'.concat(d,'".'));else if("string"==typeof d){var m=void 0;if((0,o.isString)(p))m=(0,o.stringToPDFString)(p);else{if(!((0,l.isName)(p)||(0,o.isNum)(p)||(0,o.isBool)(p))){(0,o.info)('Unsupported value in document info for (custom) "'.concat(d,'".'));continue}m=p}i.Custom||(i.Custom=Object.create(null));i.Custom[d]=m}}}catch(t){h.e(t)}finally{h.f()}}return(0,o.shadow)(this,"documentInfo",i)}},{key:"fingerprint",get:function get(){for(var t,r=this.xref.trailer.get("ID"),a=[],i=0,c=(t=Array.isArray(r)&&r[0]&&(0,o.isString)(r[0])&&"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"!==r[0]?(0,o.stringToBytes)(r[0]):(0,p.calculateMD5)(this.stream.getByteRange(0,1024),0,1024)).length;i<c;i++){var l=t[i].toString(16);a.push(l.padStart(2,"0"))}return(0,o.shadow)(this,"fingerprint",a.join(""))}}]);var t;return PDFDocument}();r.PDFDocument=_},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.FileSpec=r.XRef=r.ObjectLoader=r.Catalog=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(202),l=a(208),u=a(205),h=a(219),d=a(220),p=a(221);function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}function _slicedToArray(t,r){return function _arrayWithHoles(t){if(Array.isArray(t))return t}(t)||function 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_classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}function fetchDestination(t){return(0,c.isDict)(t)?t.get("D"):t}var m=function(){function Catalog(t,r){_classCallCheck(this,Catalog);this.pdfManager=t;this.xref=r;this._catDict=r.getCatalogObj();if(!(0,c.isDict)(this._catDict))throw new o.FormatError("Catalog object is not a dictionary.");this.fontCache=new c.RefSetCache;this.builtInCMapCache=new Map;this.globalImageCache=new p.GlobalImageCache;this.pageKidsCountCache=new c.RefSetCache}_createClass(Catalog,[{key:"_readDocumentOutline",value:function _readDocumentOutline(){var t=this._catDict.get("Outlines");if(!(0,c.isDict)(t))return null;t=t.getRaw("First");if(!(0,c.isRef)(t))return null;var r={items:[]},a=[{obj:t,parent:r}],i=new c.RefSet;i.put(t);for(var l=this.xref,u=new Uint8ClampedArray(3);a.length>0;){var h=a.shift(),p=l.fetchIfRef(h.obj);if(null!==p){if(!p.has("Title"))throw new o.FormatError("Invalid outline item encountered.");var m={url:null,dest:null};Catalog.parseDestDictionary({destDict:p,resultObj:m,docBaseUrl:this.pdfManager.docBaseUrl});var g=p.get("Title"),y=p.get("F")||0,b=p.getArray("C"),v=p.get("Count"),S=u;!Array.isArray(b)||3!==b.length||0===b[0]&&0===b[1]&&0===b[2]||(S=d.ColorSpace.singletons.rgb.getRgb(b,0));var k={dest:m.dest,url:m.url,unsafeUrl:m.unsafeUrl,newWindow:m.newWindow,title:(0,o.stringToPDFString)(g),color:S,count:Number.isInteger(v)?v:void 0,bold:!!(2&y),italic:!!(1&y),items:[]};h.parent.items.push(k);t=p.getRaw("First");if((0,c.isRef)(t)&&!i.has(t)){a.push({obj:t,parent:k});i.put(t)}t=p.getRaw("Next");if((0,c.isRef)(t)&&!i.has(t)){a.push({obj:t,parent:h.parent});i.put(t)}}}return r.items.length>0?r.items:null}},{key:"_readPermissions",value:function _readPermissions(){var t=this.xref.trailer.get("Encrypt");if(!(0,c.isDict)(t))return null;var r=t.get("P");if(!(0,o.isNum)(r))return null;r+=Math.pow(2,32);var a=[];for(var i in o.PermissionFlag){var l=o.PermissionFlag[i];r&l&&a.push(l)}return a}},{key:"_readOptionalContentConfig",value:function _readOptionalContentConfig(t,r){function parseOnOff(t){var a=[];if(Array.isArray(t)){var i,o=_createForOfIteratorHelper(t);try{for(o.s();!(i=o.n()).done;){var l=i.value;(0,c.isRef)(l)&&(r.includes(l)&&a.push(l.toString()))}}catch(t){o.e(t)}finally{o.f()}}return a}function parseOrder(t){var a=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!Array.isArray(t))return null;var o,l=[],u=_createForOfIteratorHelper(t);try{for(u.s();!(o=u.n()).done;){var h=o.value;if((0,c.isRef)(h)&&r.includes(h)){i.put(h);l.push(h.toString())}else{var d=parseNestedOrder(h,a);d&&l.push(d)}}}catch(t){u.e(t)}finally{u.f()}if(a>0)return l;var p,m=[],g=_createForOfIteratorHelper(r);try{for(g.s();!(p=g.n()).done;){var y=p.value;i.has(y)||m.push(y.toString())}}catch(t){g.e(t)}finally{g.f()}m.length&&l.push({name:null,order:m});return l}function parseNestedOrder(t,r){if(++r>l){(0,o.warn)("parseNestedOrder - reached MAX_NESTED_LEVELS.");return null}var i=a.fetchIfRef(t);if(!Array.isArray(i))return null;var c=a.fetchIfRef(i[0]);if("string"!=typeof c)return null;var u=parseOrder(i.slice(1),r);return u&&u.length?{name:(0,o.stringToPDFString)(c),order:u}:null}var a=this.xref,i=new c.RefSet,l=10;return{name:(0,o.isString)(t.get("Name"))?(0,o.stringToPDFString)(t.get("Name")):null,creator:(0,o.isString)(t.get("Creator"))?(0,o.stringToPDFString)(t.get("Creator")):null,baseState:(0,c.isName)(t.get("BaseState"))?t.get("BaseState").name:null,on:parseOnOff(t.get("ON")),off:parseOnOff(t.get("OFF")),order:parseOrder(t.get("Order")),groups:null}}},{key:"getDestination",value:function getDestination(t){var r=this._readDests();return r instanceof b||r instanceof c.Dict?fetchDestination(r.get(t)||null):null}},{key:"_readDests",value:function _readDests(){var t=this._catDict.get("Names");return t&&t.has("Dests")?new b(t.getRaw("Dests"),this.xref):this._catDict.has("Dests")?this._catDict.get("Dests"):void 0}},{key:"_readPageLabels",value:function _readPageLabels(){var t=this._catDict.getRaw("PageLabels");if(!t)return null;for(var r=new Array(this.numPages),a=null,i="",l=new v(t,this.xref).getAll(),h="",d=1,p=0,m=this.numPages;p<m;p++){if(p in l){var g=l[p];if(!(0,c.isDict)(g))throw new o.FormatError("PageLabel is not a dictionary.");if(g.has("Type")&&!(0,c.isName)(g.get("Type"),"PageLabel"))throw new o.FormatError("Invalid type in PageLabel dictionary.");if(g.has("S")){var y=g.get("S");if(!(0,c.isName)(y))throw new o.FormatError("Invalid style in PageLabel dictionary.");a=y.name}else a=null;if(g.has("P")){var b=g.get("P");if(!(0,o.isString)(b))throw new o.FormatError("Invalid prefix in PageLabel dictionary.");i=(0,o.stringToPDFString)(b)}else i="";if(g.has("St")){var S=g.get("St");if(!(Number.isInteger(S)&&S>=1))throw new o.FormatError("Invalid start in PageLabel dictionary.");d=S}else d=1}switch(a){case"D":h=d;break;case"R":case"r":h=(0,u.toRomanNumerals)(d,"r"===a);break;case"A":case"a":for(var k="a"===a?97:65,w=d-1,C=String.fromCharCode(k+w%26),_=[],x=0,A=w/26|0;x<=A;x++)_.push(C);h=_.join("");break;default:if(a)throw new o.FormatError('Invalid style "'.concat(a,'" in PageLabel dictionary.'));h=""}r[p]=i+h;d++}return r}},{key:"fontFallback",value:function fontFallback(t,r){var a=[];this.fontCache.forEach((function(t){a.push(t)}));return Promise.all(a).then((function(a){var i,o=_createForOfIteratorHelper(a);try{for(o.s();!(i=o.n()).done;){var c=i.value;if(c.loadedName===t){c.fallback(r);return}}}catch(t){o.e(t)}finally{o.f()}}))}},{key:"cleanup",value:function cleanup(){var t=this,r=arguments.length>0&&void 0!==arguments[0]&&arguments[0];(0,c.clearPrimitiveCaches)();this.globalImageCache.clear(r);this.pageKidsCountCache.clear();var a=[];this.fontCache.forEach((function(t){a.push(t)}));return Promise.all(a).then((function(r){var a,i=_createForOfIteratorHelper(r);try{for(i.s();!(a=i.n()).done;){delete a.value.dict.translated}}catch(t){i.e(t)}finally{i.f()}t.fontCache.clear();t.builtInCMapCache.clear()}))}},{key:"getPageDict",value:function getPageDict(t){var r,a=(0,o.createPromiseCapability)(),i=[this._catDict.getRaw("Pages")],l=new c.RefSet,u=this.xref,h=this.pageKidsCountCache,d=0;!function next(){for(var p=function _loop(){var p=i.pop();if((0,c.isRef)(p)){if((r=h.get(p))>0&&d+r<t){d+=r;return"continue"}if(l.has(p)){a.reject(new o.FormatError("Pages tree contains circular reference."));return{v:void 0}}l.put(p);u.fetchAsync(p).then((function(r){if((0,c.isDict)(r,"Page")||(0,c.isDict)(r)&&!r.has("Kids"))if(t===d){p&&!h.has(p)&&h.put(p,1);a.resolve([r,p])}else{d++;next()}else{i.push(r);next()}}),a.reject);return{v:void 0}}if(!(0,c.isDict)(p)){a.reject(new o.FormatError("Page dictionary kid reference points to wrong type of object."));return{v:void 0}}r=p.get("Count");if(Number.isInteger(r)&&r>=0){var m=p.objId;m&&!h.has(m)&&h.put(m,r);if(d+r<=t){d+=r;return"continue"}}var g=p.get("Kids");if(!Array.isArray(g)){if((0,c.isName)(p.get("Type"),"Page")||!p.has("Type")&&p.has("Contents")){if(d===t){a.resolve([p,null]);return{v:void 0}}d++;return"continue"}a.reject(new o.FormatError("Page dictionary kids object is not an array."));return{v:void 0}}for(var y=g.length-1;y>=0;y--)i.push(g[y])};i.length;){var m=p();if("continue"!==m&&"object"===_typeof(m))return m.v}a.reject(new Error("Page index ".concat(t," not found.")))}();return a.promise}},{key:"getPageIndex",value:function getPageIndex(t){var r=this.xref;var a=0;return function next(i){return function pagesBeforeRef(a){var i,l=0;return r.fetchAsync(a).then((function(r){if((0,c.isRefsEqual)(a,t)&&!(0,c.isDict)(r,"Page")&&(!(0,c.isDict)(r)||r.has("Type")||!r.has("Contents")))throw new o.FormatError("The reference does not point to a /Page dictionary.");if(!r)return null;if(!(0,c.isDict)(r))throw new o.FormatError("Node must be a dictionary.");i=r.getRaw("Parent");return r.getAsync("Parent")})).then((function(t){if(!t)return null;if(!(0,c.isDict)(t))throw new o.FormatError("Parent must be a dictionary.");return t.getAsync("Kids")})).then((function(t){if(!t)return null;for(var u=[],h=!1,d=0,p=t.length;d<p;d++){var m=t[d];if(!(0,c.isRef)(m))throw new o.FormatError("Kid must be a reference.");if((0,c.isRefsEqual)(m,a)){h=!0;break}u.push(r.fetchAsync(m).then((function(t){if(!(0,c.isDict)(t))throw new o.FormatError("Kid node must be a dictionary.");t.has("Count")?l+=t.get("Count"):l++})))}if(!h)throw new o.FormatError("Kid reference not found in parent's kids.");return Promise.all(u).then((function(){return[l,i]}))}))}(i).then((function(t){if(!t)return a;var r=_slicedToArray(t,2),i=r[0],o=r[1];a+=i;return next(o)}))}(t)}},{key:"version",get:function get(){var t=this._catDict.get("Version");return(0,c.isName)(t)?(0,o.shadow)(this,"version",t.name):(0,o.shadow)(this,"version",null)}},{key:"collection",get:function get(){var t=null;try{var r=this._catDict.get("Collection");(0,c.isDict)(r)&&r.size>0&&(t=r)}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("Cannot fetch Collection entry; assuming no collection is present.")}return(0,o.shadow)(this,"collection",t)}},{key:"acroForm",get:function get(){var t=null;try{var r=this._catDict.get("AcroForm");(0,c.isDict)(r)&&r.size>0&&(t=r)}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("Cannot fetch AcroForm entry; assuming no forms are present.")}return(0,o.shadow)(this,"acroForm",t)}},{key:"metadata",get:function get(){var t=this._catDict.getRaw("Metadata");if(!(0,c.isRef)(t))return(0,o.shadow)(this,"metadata",null);var r,a=!(this.xref.encrypt&&this.xref.encrypt.encryptMetadata),i=this.xref.fetch(t,a);if(i&&(0,c.isDict)(i.dict)){var l=i.dict.get("Type"),h=i.dict.get("Subtype");if((0,c.isName)(l,"Metadata")&&(0,c.isName)(h,"XML"))try{r=(0,o.stringToUTF8String)((0,o.bytesToString)(i.getBytes()))}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("Skipping invalid metadata.")}}return(0,o.shadow)(this,"metadata",r)}},{key:"toplevelPagesDict",get:function get(){var t=this._catDict.get("Pages");if(!(0,c.isDict)(t))throw new o.FormatError("Invalid top-level pages dictionary.");return(0,o.shadow)(this,"toplevelPagesDict",t)}},{key:"documentOutline",get:function get(){var t=null;try{t=this._readDocumentOutline()}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)("Unable to read document outline.")}return(0,o.shadow)(this,"documentOutline",t)}},{key:"permissions",get:function get(){var t=null;try{t=this._readPermissions()}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)("Unable to read permissions.")}return(0,o.shadow)(this,"permissions",t)}},{key:"optionalContentConfig",get:function get(){var t=null;try{var r=this._catDict.get("OCProperties");if(!r)return(0,o.shadow)(this,"optionalContentConfig",null);var a=r.get("D");if(!a)return(0,o.shadow)(this,"optionalContentConfig",null);var i=r.get("OCGs");if(!Array.isArray(i))return(0,o.shadow)(this,"optionalContentConfig",null);var l,h=[],d=[],p=_createForOfIteratorHelper(i);try{for(p.s();!(l=p.n()).done;){var m=l.value;if((0,c.isRef)(m)){d.push(m);var g=this.xref.fetchIfRef(m);h.push({id:m.toString(),name:(0,o.isString)(g.get("Name"))?(0,o.stringToPDFString)(g.get("Name")):null,intent:(0,o.isString)(g.get("Intent"))?(0,o.stringToPDFString)(g.get("Intent")):null})}}}catch(t){p.e(t)}finally{p.f()}(t=this._readOptionalContentConfig(a,d)).groups=h}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)("Unable to read optional content config: ".concat(t))}return(0,o.shadow)(this,"optionalContentConfig",t)}},{key:"numPages",get:function get(){var t=this.toplevelPagesDict.get("Count");if(!Number.isInteger(t))throw new o.FormatError("Page count in top-level pages dictionary is not an integer.");return(0,o.shadow)(this,"numPages",t)}},{key:"destinations",get:function get(){var t=this._readDests(),r=Object.create(null);if(t instanceof b){var a=t.getAll();for(var i in a)r[i]=fetchDestination(a[i])}else t instanceof c.Dict&&t.forEach((function(t,a){a&&(r[t]=fetchDestination(a))}));return(0,o.shadow)(this,"destinations",r)}},{key:"pageLabels",get:function get(){var t=null;try{t=this._readPageLabels()}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)("Unable to read page labels.")}return(0,o.shadow)(this,"pageLabels",t)}},{key:"pageLayout",get:function get(){var t=this._catDict.get("PageLayout"),r="";if((0,c.isName)(t))switch(t.name){case"SinglePage":case"OneColumn":case"TwoColumnLeft":case"TwoColumnRight":case"TwoPageLeft":case"TwoPageRight":r=t.name}return(0,o.shadow)(this,"pageLayout",r)}},{key:"pageMode",get:function get(){var t=this._catDict.get("PageMode"),r="UseNone";if((0,c.isName)(t))switch(t.name){case"UseNone":case"UseOutlines":case"UseThumbs":case"FullScreen":case"UseOC":case"UseAttachments":r=t.name}return(0,o.shadow)(this,"pageMode",r)}},{key:"viewerPreferences",get:function get(){var t=this,r={HideToolbar:o.isBool,HideMenubar:o.isBool,HideWindowUI:o.isBool,FitWindow:o.isBool,CenterWindow:o.isBool,DisplayDocTitle:o.isBool,NonFullScreenPageMode:c.isName,Direction:c.isName,ViewArea:c.isName,ViewClip:c.isName,PrintArea:c.isName,PrintClip:c.isName,PrintScaling:c.isName,Duplex:c.isName,PickTrayByPDFSize:o.isBool,PrintPageRange:Array.isArray,NumCopies:Number.isInteger},a=this._catDict.get("ViewerPreferences"),i=null;if((0,c.isDict)(a))for(var l in r)if(a.has(l)){var u=a.get(l);if(r[l](u)){var h=void 0;switch(l){case"NonFullScreenPageMode":switch(u.name){case"UseNone":case"UseOutlines":case"UseThumbs":case"UseOC":h=u.name;break;default:h="UseNone"}break;case"Direction":switch(u.name){case"L2R":case"R2L":h=u.name;break;default:h="L2R"}break;case"ViewArea":case"ViewClip":case"PrintArea":case"PrintClip":switch(u.name){case"MediaBox":case"CropBox":case"BleedBox":case"TrimBox":case"ArtBox":h=u.name;break;default:h="CropBox"}break;case"PrintScaling":switch(u.name){case"None":case"AppDefault":h=u.name;break;default:h="AppDefault"}break;case"Duplex":switch(u.name){case"Simplex":case"DuplexFlipShortEdge":case"DuplexFlipLongEdge":h=u.name;break;default:h="None"}break;case"PrintPageRange":if(u.length%2!=0)break;u.every((function(r,a,i){return Number.isInteger(r)&&r>0&&(0===a||r>=i[a-1])&&r<=t.numPages}))&&(h=u);break;case"NumCopies":u>0&&(h=u);break;default:if("boolean"!=typeof u)throw new o.FormatError("viewerPreferences - expected a boolean value for: ".concat(l));h=u}if(void 0!==h){i||(i=Object.create(null));i[l]=h}else(0,o.info)('Bad value in ViewerPreferences for "'.concat(l,'".'))}else(0,o.info)('Bad value in ViewerPreferences for "'.concat(l,'".'))}return(0,o.shadow)(this,"viewerPreferences",i)}},{key:"openAction",get:function get(){var t=this._catDict.get("OpenAction"),r=null;if((0,c.isDict)(t)){var a=new c.Dict(this.xref);a.set("A",t);var i={url:null,dest:null,action:null};Catalog.parseDestDictionary({destDict:a,resultObj:i});if(Array.isArray(i.dest)){r||(r=Object.create(null));r.dest=i.dest}else if(i.action){r||(r=Object.create(null));r.action=i.action}}else if(Array.isArray(t)){r||(r=Object.create(null));r.dest=t}return(0,o.shadow)(this,"openAction",r)}},{key:"attachments",get:function get(){var t=this._catDict.get("Names"),r=null;if(t&&t.has("EmbeddedFiles")){var a=new b(t.getRaw("EmbeddedFiles"),this.xref).getAll();for(var i in a){var c=new S(a[i],this.xref);r||(r=Object.create(null));r[(0,o.stringToPDFString)(i)]=c.serializable}}return(0,o.shadow)(this,"attachments",r)}},{key:"javaScript",get:function get(){var t=this._catDict.get("Names"),r=null;function appendIfJavaScriptDict(t){var a=t.get("S");if((0,c.isName)(a,"JavaScript")){var i=t.get("JS");if((0,c.isStream)(i))i=(0,o.bytesToString)(i.getBytes());else if(!(0,o.isString)(i))return;r||(r=[]);r.push((0,o.stringToPDFString)(i))}}if(t&&t.has("JavaScript")){var a=new b(t.getRaw("JavaScript"),this.xref).getAll();for(var i in a){var l=a[i];(0,c.isDict)(l)&&appendIfJavaScriptDict(l)}}var u=this._catDict.get("OpenAction");(0,c.isDict)(u)&&(0,c.isName)(u.get("S"),"JavaScript")&&appendIfJavaScriptDict(u);return(0,o.shadow)(this,"javaScript",r)}}],[{key:"parseDestDictionary",value:function parseDestDictionary(t){var r=t.destDict;if((0,c.isDict)(r)){var a=t.resultObj;if("object"===_typeof(a)){var i,l,u=t.docBaseUrl||null,h=r.get("A");!(0,c.isDict)(h)&&r.has("Dest")&&(h=r.get("Dest"));if((0,c.isDict)(h)){var d=h.get("S");if(!(0,c.isName)(d)){(0,o.warn)("parseDestDictionary: Invalid type in Action dictionary.");return}var p=d.name;switch(p){case"URI":i=h.get("URI");(0,c.isName)(i)?i="/"+i.name:(0,o.isString)(i)&&(i=function addDefaultProtocolToUrl(t){return t.startsWith("www.")?"http://".concat(t):t}(i));break;case"GoTo":l=h.get("D");break;case"Launch":case"GoToR":var m=h.get("F");(0,c.isDict)(m)?i=m.get("F")||null:(0,o.isString)(m)&&(i=m);var g=h.get("D");if(g){(0,c.isName)(g)&&(g=g.name);if((0,o.isString)(i)){var y=i.split("#")[0];(0,o.isString)(g)?i=y+"#"+g:Array.isArray(g)&&(i=y+"#"+JSON.stringify(g))}}var b=h.get("NewWindow");(0,o.isBool)(b)&&(a.newWindow=b);break;case"Named":var v=h.get("N");(0,c.isName)(v)&&(a.action=v.name);break;case"JavaScript":var S,k=h.get("JS");(0,c.isStream)(k)?S=(0,o.bytesToString)(k.getBytes()):(0,o.isString)(k)&&(S=k);if(S){var w=new RegExp("^\\s*("+["app.launchURL","window.open"].join("|").split(".").join("\\.")+")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))","i").exec((0,o.stringToPDFString)(S));if(w&&w[2]){i=w[2];"true"===w[3]&&"app.launchURL"===w[1]&&(a.newWindow=!0);break}}default:(0,o.warn)('parseDestDictionary: unsupported action type "'.concat(p,'".'))}}else r.has("Dest")&&(l=r.get("Dest"));if((0,o.isString)(i)){i=function tryConvertUrlEncoding(t){try{return(0,o.stringToUTF8String)(t)}catch(r){return t}}(i);var C=(0,o.createValidAbsoluteUrl)(i,u);C&&(a.url=C.href);a.unsafeUrl=i}if(l){(0,c.isName)(l)&&(l=l.name);((0,o.isString)(l)||Array.isArray(l))&&(a.dest=l)}}else(0,o.warn)("parseDestDictionary: `resultObj` must be an object.")}else(0,o.warn)("parseDestDictionary: `destDict` must be a dictionary.")}}]);return Catalog}();r.Catalog=m;var g=function XRefClosure(){function XRef(t,r){this.stream=t;this.pdfManager=r;this.entries=[];this.xrefstms=Object.create(null);this._cacheMap=new Map;this.stats={streamTypes:Object.create(null),fontTypes:Object.create(null)};this._newRefNum=null}XRef.prototype={getNewRef:function XRef_getNewRef(){null===this._newRefNum&&(this._newRefNum=this.entries.length);return c.Ref.get(this._newRefNum++,0)},resetNewRef:function XRef_resetNewRef(){this._newRefNum=null},setStartXRef:function XRef_setStartXRef(t){this.startXRefQueue=[t]},parse:function XRef_parse(t){var r,a,i;if(t){(0,o.warn)("Indexing all PDF objects");r=this.indexObjects()}else r=this.readXRef();r.assignXref(this);this.trailer=r;try{a=r.get("Encrypt")}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)('XRef.parse - Invalid "Encrypt" reference: "'.concat(t,'".'))}if((0,c.isDict)(a)){var l=r.get("ID"),d=l&&l.length?l[0]:"";a.suppressEncryption=!0;this.encrypt=new h.CipherTransformFactory(a,d,this.pdfManager.password)}try{i=r.get("Root")}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)('XRef.parse - Invalid "Root" reference: "'.concat(t,'".'))}if(!(0,c.isDict)(i)||!i.has("Pages")){if(!t)throw new u.XRefParseException;throw new o.FormatError("Invalid root reference")}this.root=i},processXRefTable:function XRef_processXRefTable(t){"tableState"in this||(this.tableState={entryNum:0,streamPos:t.lexer.stream.pos,parserBuf1:t.buf1,parserBuf2:t.buf2});var r=this.readXRefTable(t);if(!(0,c.isCmd)(r,"trailer"))throw new o.FormatError("Invalid XRef table: could not find trailer dictionary");var a=t.getObj();!(0,c.isDict)(a)&&a.dict&&(a=a.dict);if(!(0,c.isDict)(a))throw new o.FormatError("Invalid XRef table: could not parse trailer dictionary");delete this.tableState;return a},readXRefTable:function XRef_readXRefTable(t){var r,a=t.lexer.stream,i=this.tableState;a.pos=i.streamPos;t.buf1=i.parserBuf1;t.buf2=i.parserBuf2;for(;;){if(!("firstEntryNum"in i)||!("entryCount"in i)){if((0,c.isCmd)(r=t.getObj(),"trailer"))break;i.firstEntryNum=r;i.entryCount=t.getObj()}var l=i.firstEntryNum,u=i.entryCount;if(!Number.isInteger(l)||!Number.isInteger(u))throw new o.FormatError("Invalid XRef table: wrong types in subsection header");for(var h=i.entryNum;h<u;h++){i.streamPos=a.pos;i.entryNum=h;i.parserBuf1=t.buf1;i.parserBuf2=t.buf2;var d={};d.offset=t.getObj();d.gen=t.getObj();var p=t.getObj();if(p instanceof c.Cmd)switch(p.cmd){case"f":d.free=!0;break;case"n":d.uncompressed=!0}if(!Number.isInteger(d.offset)||!Number.isInteger(d.gen)||!d.free&&!d.uncompressed)throw new o.FormatError("Invalid entry in XRef subsection: ".concat(l,", ").concat(u));0===h&&d.free&&1===l&&(l=0);this.entries[h+l]||(this.entries[h+l]=d)}i.entryNum=0;i.streamPos=a.pos;i.parserBuf1=t.buf1;i.parserBuf2=t.buf2;delete i.firstEntryNum;delete i.entryCount}if(this.entries[0]&&!this.entries[0].free)throw new o.FormatError("Invalid XRef table: unexpected first object");return r},processXRefStream:function XRef_processXRefStream(t){if(!("streamState"in this)){var r=t.dict,a=r.get("W"),i=r.get("Index");i||(i=[0,r.get("Size")]);this.streamState={entryRanges:i,byteWidths:a,entryNum:0,streamPos:t.pos}}this.readXRefStream(t);delete this.streamState;return t.dict},readXRefStream:function XRef_readXRefStream(t){var r,a,i=this.streamState;t.pos=i.streamPos;for(var c=i.byteWidths,l=c[0],u=c[1],h=c[2],d=i.entryRanges;d.length>0;){var p=d[0],m=d[1];if(!Number.isInteger(p)||!Number.isInteger(m))throw new o.FormatError("Invalid XRef range fields: ".concat(p,", ").concat(m));if(!Number.isInteger(l)||!Number.isInteger(u)||!Number.isInteger(h))throw new o.FormatError("Invalid XRef entry fields length: ".concat(p,", ").concat(m));for(r=i.entryNum;r<m;++r){i.entryNum=r;i.streamPos=t.pos;var g=0,y=0,b=0;for(a=0;a<l;++a)g=g<<8|t.getByte();0===l&&(g=1);for(a=0;a<u;++a)y=y<<8|t.getByte();for(a=0;a<h;++a)b=b<<8|t.getByte();var v={};v.offset=y;v.gen=b;switch(g){case 0:v.free=!0;break;case 1:v.uncompressed=!0;break;case 2:break;default:throw new o.FormatError("Invalid XRef entry type: ".concat(g))}this.entries[p+r]||(this.entries[p+r]=v)}i.entryNum=0;i.streamPos=t.pos;d.splice(0,2)}},indexObjects:function XRef_indexObjects(){function readToken(t,r){for(var a="",i=t[r];10!==i&&13!==i&&60!==i&&!(++r>=t.length);){a+=String.fromCharCode(i);i=t[r]}return a}function skipUntil(t,r,a){for(var i=a.length,o=t.length,c=0;r<o;){for(var l=0;l<i&&t[r+l]===a[l];)++l;if(l>=i)break;r++;c++}return c}var t=/^(\d+)\s+(\d+)\s+obj\b/,r=/\bendobj[\b\s]$/,a=/\s+(\d+\s+\d+\s+obj[\b\s<])$/,i=new Uint8Array([116,114,97,105,108,101,114]),h=new Uint8Array([115,116,97,114,116,120,114,101,102]),d=new Uint8Array([111,98,106]),p=new Uint8Array([47,88,82,101,102]);this.entries.length=0;var m=this.stream;m.pos=0;for(var g,y,b,v=m.getBytes(),S=m.start,k=v.length,w=[],C=[];S<k;){var _=v[S];if(9!==_&&10!==_&&13!==_&&32!==_)if(37!==_){var x,A=readToken(v,S);if(A.startsWith("xref")&&(4===A.length||/\s/.test(A[4]))){S+=skipUntil(v,S,i);w.push(S);S+=skipUntil(v,S,h)}else if(x=t.exec(A)){var T=0|x[1],R=0|x[2];this.entries[T]&&this.entries[T].gen!==R||(this.entries[T]={offset:S-m.start,gen:R,uncompressed:!0});for(var I=void 0,P=S+A.length;P<v.length;){var O=P+skipUntil(v,P,d)+4;I=O-S;var E=Math.max(O-25,P),B=(0,o.bytesToString)(v.subarray(E,O));if(r.test(B))break;var D=a.exec(B);if(D&&D[1]){(0,o.warn)('indexObjects: Found new "obj" inside of another "obj", caused by missing "endobj" -- trying to recover.');I-=D[1].length;break}P=O}var M=v.subarray(S,S+I),L=skipUntil(M,0,p);if(L<I&&M[L+5]<64){C.push(S-m.start);this.xrefstms[S-m.start]=1}S+=I}else if(A.startsWith("trailer")&&(7===A.length||/\s/.test(A[7]))){w.push(S);S+=skipUntil(v,S,h)}else S+=A.length+1}else do{if(++S>=k)break;_=v[S]}while(10!==_&&13!==_);else++S}for(g=0,y=C.length;g<y;++g){this.startXRefQueue.push(C[g]);this.readXRef(!0)}for(g=0,y=w.length;g<y;++g){m.pos=w[g];var N=new l.Parser({lexer:new l.Lexer(m),xref:this,allowStreams:!0,recoveryMode:!0}),U=N.getObj();if((0,c.isCmd)(U,"trailer")){var j=N.getObj();if((0,c.isDict)(j)){var q=void 0;try{q=j.get("Root")}catch(t){if(t instanceof u.MissingDataException)throw t;continue}if((0,c.isDict)(q)&&q.has("Pages")){if(j.has("ID"))return j;b=j}}}}if(b)return b;throw new o.InvalidPDFException("Invalid PDF structure.")},readXRef:function XRef_readXRef(t){var r=this.stream,a=Object.create(null);try{for(;this.startXRefQueue.length;){var i=this.startXRefQueue[0];if(a[i]){(0,o.warn)("readXRef - skipping XRef table since it was already parsed.");this.startXRefQueue.shift()}else{a[i]=!0;r.pos=i+r.start;var h,d=new l.Parser({lexer:new l.Lexer(r),xref:this,allowStreams:!0}),p=d.getObj();if((0,c.isCmd)(p,"xref")){h=this.processXRefTable(d);this.topDict||(this.topDict=h);p=h.get("XRefStm");if(Number.isInteger(p)){var m=p;if(!(m in this.xrefstms)){this.xrefstms[m]=1;this.startXRefQueue.push(m)}}}else{if(!Number.isInteger(p))throw new o.FormatError("Invalid XRef stream header");if(!Number.isInteger(d.getObj())||!(0,c.isCmd)(d.getObj(),"obj")||!(0,c.isStream)(p=d.getObj()))throw new o.FormatError("Invalid XRef stream");h=this.processXRefStream(p);this.topDict||(this.topDict=h);if(!h)throw new o.FormatError("Failed to read XRef stream")}p=h.get("Prev");Number.isInteger(p)?this.startXRefQueue.push(p):(0,c.isRef)(p)&&this.startXRefQueue.push(p.num);this.startXRefQueue.shift()}}return this.topDict}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.info)("(while reading XRef): "+t)}if(!t)throw new u.XRefParseException},getEntry:function XRef_getEntry(t){var r=this.entries[t];return r&&!r.free&&r.offset?r:null},fetchIfRef:function XRef_fetchIfRef(t,r){return t instanceof c.Ref?this.fetch(t,r):t},fetch:function XRef_fetch(t,r){if(!(t instanceof c.Ref))throw new Error("ref object is not a reference");var a=t.num,i=this._cacheMap.get(a);if(void 0!==i){i instanceof c.Dict&&!i.objId&&(i.objId=t.toString());return i}var o=this.getEntry(a);if(null===o){this._cacheMap.set(a,o);return o}o=o.uncompressed?this.fetchUncompressed(t,o,r):this.fetchCompressed(t,o,r);(0,c.isDict)(o)?o.objId=t.toString():(0,c.isStream)(o)&&(o.dict.objId=t.toString());return o},fetchUncompressed:function fetchUncompressed(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2],i=t.gen,o=t.num;if(r.gen!==i)throw new u.XRefEntryException("Inconsistent generation in XRef: ".concat(t));var h=this.stream.makeSubStream(r.offset+this.stream.start),d=new l.Parser({lexer:new l.Lexer(h),xref:this,allowStreams:!0}),p=d.getObj(),m=d.getObj(),g=d.getObj();if(p!==o||m!==i||!(g instanceof c.Cmd))throw new u.XRefEntryException("Bad (uncompressed) XRef entry: ".concat(t));if("obj"!==g.cmd){if(g.cmd.startsWith("obj")){o=parseInt(g.cmd.substring(3),10);if(!Number.isNaN(o))return o}throw new u.XRefEntryException("Bad (uncompressed) XRef entry: ".concat(t))}r=this.encrypt&&!a?d.getObj(this.encrypt.createCipherTransform(o,i)):d.getObj();(0,c.isStream)(r)||this._cacheMap.set(o,r);return r},fetchCompressed:function fetchCompressed(t,r){var a=r.offset,i=this.fetch(c.Ref.get(a,0));if(!(0,c.isStream)(i))throw new o.FormatError("bad ObjStm stream");var h=i.dict.get("First"),d=i.dict.get("N");if(!Number.isInteger(h)||!Number.isInteger(d))throw new o.FormatError("invalid first and n parameters for ObjStm stream");for(var p=new l.Parser({lexer:new l.Lexer(i),xref:this,allowStreams:!0}),m=new Array(d),g=0;g<d;++g){var y=p.getObj();if(!Number.isInteger(y))throw new o.FormatError("invalid object number in the ObjStm stream: ".concat(y));var b=p.getObj();if(!Number.isInteger(b))throw new o.FormatError("invalid object offset in the ObjStm stream: ".concat(b));m[g]=y}for(var v=new Array(d),S=0;S<d;++S){var k=p.getObj();v[S]=k;p.buf1 instanceof c.Cmd&&"endobj"===p.buf1.cmd&&p.shift();if(!(0,c.isStream)(k)){var w=m[S],C=this.entries[w];C&&C.offset===a&&C.gen===S&&this._cacheMap.set(w,k)}}if(void 0===(r=v[r.gen]))throw new u.XRefEntryException("Bad (compressed) XRef entry: ".concat(t));return r},fetchIfRefAsync:function fetchIfRefAsync(t,r){var a=this;return _asyncToGenerator(i.default.mark((function _callee(){return i.default.wrap((function _callee$(i){for(;;)switch(i.prev=i.next){case 0:if(!(t instanceof c.Ref)){i.next=2;break}return i.abrupt("return",a.fetchAsync(t,r));case 2:return i.abrupt("return",t);case 3:case"end":return i.stop()}}),_callee)})))()},fetchAsync:function fetchAsync(t,r){var a=this;return _asyncToGenerator(i.default.mark((function _callee2(){return i.default.wrap((function _callee2$(i){for(;;)switch(i.prev=i.next){case 0:i.prev=0;return i.abrupt("return",a.fetch(t,r));case 4:i.prev=4;i.t0=i.catch(0);if(i.t0 instanceof u.MissingDataException){i.next=8;break}throw i.t0;case 8:i.next=10;return a.pdfManager.requestRange(i.t0.begin,i.t0.end);case 10:return i.abrupt("return",a.fetchAsync(t,r));case 11:case"end":return i.stop()}}),_callee2,null,[[0,4]])})))()},getCatalogObj:function XRef_getCatalogObj(){return this.root}};return XRef}();r.XRef=g;var y=function(){function NameOrNumberTree(t,r,a){_classCallCheck(this,NameOrNumberTree);this.constructor===NameOrNumberTree&&(0,o.unreachable)("Cannot initialize NameOrNumberTree.");this.root=t;this.xref=r;this._type=a}_createClass(NameOrNumberTree,[{key:"getAll",value:function getAll(){var t=Object.create(null);if(!this.root)return t;var r=this.xref,a=new c.RefSet;a.put(this.root);for(var i=[this.root];i.length>0;){var l=r.fetchIfRef(i.shift());if((0,c.isDict)(l))if(l.has("Kids"))for(var u=l.get("Kids"),h=0,d=u.length;h<d;h++){var p=u[h];if(a.has(p))throw new o.FormatError('Duplicate entry in "'.concat(this._type,'" tree.'));i.push(p);a.put(p)}else{var m=l.get(this._type);if(Array.isArray(m))for(var g=0,y=m.length;g<y;g+=2)t[r.fetchIfRef(m[g])]=r.fetchIfRef(m[g+1])}}return t}},{key:"get",value:function get(t){if(!this.root)return null;for(var r=this.xref,a=r.fetchIfRef(this.root),i=0;a.has("Kids");){if(++i>10){(0,o.warn)('Search depth limit reached for "'.concat(this._type,'" tree.'));return null}var c=a.get("Kids");if(!Array.isArray(c))return null;for(var l=0,u=c.length-1;l<=u;){var h=l+u>>1,d=r.fetchIfRef(c[h]).get("Limits");if(t<r.fetchIfRef(d[0]))u=h-1;else{if(!(t>r.fetchIfRef(d[1]))){a=r.fetchIfRef(c[h]);break}l=h+1}}if(l>u)return null}var p=a.get(this._type);if(Array.isArray(p)){for(var m=0,g=p.length-2;m<=g;){var y=m+g>>1,b=y+(1&y),v=r.fetchIfRef(p[b]);if(t<v)g=b-2;else{if(!(t>v))return r.fetchIfRef(p[b+1]);m=b+2}}(0,o.info)('Falling back to an exhaustive search, for key "'.concat(t,'", ')+'in "'.concat(this._type,'" tree.'));for(var S=0,k=p.length;S<k;S+=2){if(r.fetchIfRef(p[S])===t){(0,o.warn)('The "'.concat(t,'" key was found at an incorrect, ')+'i.e. out-of-order, position in "'.concat(this._type,'" tree.'));return r.fetchIfRef(p[S+1])}}}return null}}]);return NameOrNumberTree}(),b=function(t){_inherits(NameTree,t);var r=_createSuper(NameTree);function NameTree(t,a){_classCallCheck(this,NameTree);return r.call(this,t,a,"Names")}return NameTree}(y),v=function(t){_inherits(NumberTree,t);var r=_createSuper(NumberTree);function NumberTree(t,a){_classCallCheck(this,NumberTree);return r.call(this,t,a,"Nums")}return NumberTree}(y),S=function FileSpecClosure(){function FileSpec(t,r){if(t&&(0,c.isDict)(t)){this.xref=r;this.root=t;t.has("FS")&&(this.fs=t.get("FS"));this.description=t.has("Desc")?(0,o.stringToPDFString)(t.get("Desc")):"";t.has("RF")&&(0,o.warn)("Related file specifications are not supported");this.contentAvailable=!0;if(!t.has("EF")){this.contentAvailable=!1;(0,o.warn)("Non-embedded file specifications are not supported")}}}function pickPlatformItem(t){return t.has("UF")?t.get("UF"):t.has("F")?t.get("F"):t.has("Unix")?t.get("Unix"):t.has("Mac")?t.get("Mac"):t.has("DOS")?t.get("DOS"):null}FileSpec.prototype={get filename(){if(!this._filename&&this.root){var t=pickPlatformItem(this.root)||"unnamed";this._filename=(0,o.stringToPDFString)(t).replace(/\\\\/g,"\\").replace(/\\\//g,"/").replace(/\\/g,"/")}return this._filename},get content(){if(!this.contentAvailable)return null;!this.contentRef&&this.root&&(this.contentRef=pickPlatformItem(this.root.get("EF")));var t=null;if(this.contentRef){var r=this.xref.fetchIfRef(this.contentRef);r&&(0,c.isStream)(r)?t=r.getBytes():(0,o.warn)("Embedded file specification points to non-existing/invalid content")}else(0,o.warn)("Embedded file specification does not have a content");return t},get serializable(){return{filename:this.filename,content:this.content}}};return FileSpec}();r.FileSpec=S;var k=function(){function addChildren(t,r){if(t instanceof c.Dict)t=t.getRawValues();else if((0,c.isStream)(t))t=t.dict.getRawValues();else if(!Array.isArray(t))return;var a,i,o=_createForOfIteratorHelper(t);try{for(o.s();!(a=o.n()).done;){var l=a.value;((i=l)instanceof c.Ref||i instanceof c.Dict||Array.isArray(i)||(0,c.isStream)(i))&&r.push(l)}}catch(t){o.e(t)}finally{o.f()}}function ObjectLoader(t,r,a){this.dict=t;this.keys=r;this.xref=a;this.refSet=null}ObjectLoader.prototype={load:function load(){var t=this;return _asyncToGenerator(i.default.mark((function _callee3(){var r,a,o,l,u,h;return i.default.wrap((function _callee3$(i){for(;;)switch(i.prev=i.next){case 0:if(t.xref.stream.allChunksLoaded&&!t.xref.stream.allChunksLoaded()){i.next=2;break}return i.abrupt("return",void 0);case 2:r=t.keys,a=t.dict;t.refSet=new c.RefSet;o=[];for(l=0,u=r.length;l<u;l++)void 0!==(h=a.getRaw(r[l]))&&o.push(h);return i.abrupt("return",t._walk(o));case 7:case"end":return i.stop()}}),_callee3)})))()},_walk:function _walk(t){var r=this;return _asyncToGenerator(i.default.mark((function _callee4(){var a,o,l,h,d,p,m,g,y,b,v;return i.default.wrap((function _callee4$(i){for(;;)switch(i.prev=i.next){case 0:a=[];o=[];case 2:if(!t.length){i.next=22;break}if(!((l=t.pop())instanceof c.Ref)){i.next=18;break}if(!r.refSet.has(l)){i.next=7;break}return i.abrupt("continue",2);case 7:i.prev=7;r.refSet.put(l);l=r.xref.fetch(l);i.next=18;break;case 12:i.prev=12;i.t0=i.catch(7);if(i.t0 instanceof u.MissingDataException){i.next=16;break}throw i.t0;case 16:a.push(l);o.push({begin:i.t0.begin,end:i.t0.end});case 18:if(l&&l.getBaseStreams){h=l.getBaseStreams();d=!1;for(p=0,m=h.length;p<m;p++)if((g=h[p]).allChunksLoaded&&!g.allChunksLoaded()){d=!0;o.push({begin:g.start,end:g.end})}d&&a.push(l)}addChildren(l,t);i.next=2;break;case 22:if(!o.length){i.next=27;break}i.next=25;return r.xref.stream.manager.requestRanges(o);case 25:for(y=0,b=a.length;y<b;y++)(v=a[y])instanceof c.Ref&&r.refSet.remove(v);return i.abrupt("return",r._walk(a));case 27:r.refSet=null;return i.abrupt("return",void 0);case 29:case"end":return i.stop()}}),_callee4,null,[[7,12]])})))()}};return ObjectLoader}();r.ObjectLoader=k},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.Parser=r.Linearization=r.Lexer=void 0;var i=a(209),o=a(5),c=a(202),l=a(205),u=a(210),h=a(212),d=a(215),p=a(217);function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}function computeAdler32(t){for(var r=t.length,a=1,i=0,o=0;o<r;++o)i+=a+=255&t[o];return i%65521<<16|a%65521}var m=function(){function Parser(t){var r=t.lexer,a=t.xref,i=t.allowStreams,o=void 0!==i&&i,c=t.recoveryMode,l=void 0!==c&&c;_classCallCheck(this,Parser);this.lexer=r;this.xref=a;this.allowStreams=o;this.recoveryMode=l;this.imageCache=Object.create(null);this.refill()}_createClass(Parser,[{key:"refill",value:function refill(){this.buf1=this.lexer.getObj();this.buf2=this.lexer.getObj()}},{key:"shift",value:function shift(){if(this.buf2 instanceof c.Cmd&&"ID"===this.buf2.cmd){this.buf1=this.buf2;this.buf2=null}else{this.buf1=this.buf2;this.buf2=this.lexer.getObj()}}},{key:"tryShift",value:function tryShift(){try{this.shift();return!0}catch(t){if(t instanceof l.MissingDataException)throw t;return!1}}},{key:"getObj",value:function getObj(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=this.buf1;this.shift();if(r instanceof c.Cmd)switch(r.cmd){case"BI":return this.makeInlineImage(t);case"[":for(var a=[];!(0,c.isCmd)(this.buf1,"]")&&!(0,c.isEOF)(this.buf1);)a.push(this.getObj(t));if((0,c.isEOF)(this.buf1)){if(!this.recoveryMode)throw new o.FormatError("End of file inside array");return a}this.shift();return a;case"<<":for(var i=new c.Dict(this.xref);!(0,c.isCmd)(this.buf1,">>")&&!(0,c.isEOF)(this.buf1);)if((0,c.isName)(this.buf1)){var l=this.buf1.name;this.shift();if((0,c.isEOF)(this.buf1))break;i.set(l,this.getObj(t))}else{(0,o.info)("Malformed dictionary: key must be a name object");this.shift()}if((0,c.isEOF)(this.buf1)){if(!this.recoveryMode)throw new o.FormatError("End of file inside dictionary");return i}if((0,c.isCmd)(this.buf2,"stream"))return this.allowStreams?this.makeStream(i,t):i;this.shift();return i;default:return r}if(Number.isInteger(r)){if(Number.isInteger(this.buf1)&&(0,c.isCmd)(this.buf2,"R")){var u=c.Ref.get(r,this.buf1);this.shift();this.shift();return u}return r}return"string"==typeof r&&t?t.decryptString(r):r}},{key:"findDefaultInlineStreamEnd",value:function findDefaultInlineStreamEnd(t){for(var r,a,i=this.lexer,u=t.pos,h=0;-1!==(r=t.getByte());)if(0===h)h=69===r?1:0;else if(1===h)h=73===r?2:0;else{(0,o.assert)(2===h,"findDefaultInlineStreamEnd - invalid state.");if(32===r||10===r||13===r){a=t.pos;for(var d=t.peekBytes(10),p=0,m=d.length;p<m;p++)if((0!==(r=d[p])||0===d[p+1])&&10!==r&&13!==r&&(r<32||r>127)){h=0;break}if(2!==h)continue;if(i.knownCommands){var g=i.peekObj();g instanceof c.Cmd&&!i.knownCommands[g.cmd]&&(h=0)}else(0,o.warn)("findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.");if(2===h)break}else h=0}if(-1===r){(0,o.warn)("findDefaultInlineStreamEnd: Reached the end of the stream without finding a valid EI marker");if(a){(0,o.warn)('... trying to recover by using the last "EI" occurrence.');t.skip(-(t.pos-a))}}var y=4;t.skip(-y);r=t.peekByte();t.skip(y);(0,l.isWhiteSpace)(r)||y--;return t.pos-y-u}},{key:"findDCTDecodeInlineStreamEnd",value:function findDCTDecodeInlineStreamEnd(t){for(var r,a,i=t.pos,c=!1;-1!==(r=t.getByte());)if(255===r){switch(t.getByte()){case 0:break;case 255:t.skip(-1);break;case 217:c=!0;break;case 192:case 193:case 194:case 195:case 197:case 198:case 199:case 201:case 202:case 203:case 205:case 206:case 207:case 196:case 204:case 218:case 219:case 220:case 221:case 222:case 223:case 224:case 225:case 226:case 227:case 228:case 229:case 230:case 231:case 232:case 233:case 234:case 235:case 236:case 237:case 238:case 239:case 254:(a=t.getUint16())>2?t.skip(a-2):t.skip(-2)}if(c)break}var l=t.pos-i;if(-1===r){(0,o.warn)("Inline DCTDecode image stream: EOI marker not found, searching for /EI/ instead.");t.skip(-l);return this.findDefaultInlineStreamEnd(t)}this.inlineStreamSkipEI(t);return l}},{key:"findASCII85DecodeInlineStreamEnd",value:function findASCII85DecodeInlineStreamEnd(t){for(var r,a=t.pos;-1!==(r=t.getByte());)if(126===r){var i=t.pos;r=t.peekByte();for(;(0,l.isWhiteSpace)(r);){t.skip();r=t.peekByte()}if(62===r){t.skip();break}if(t.pos>i){var c=t.peekBytes(2);if(69===c[0]&&73===c[1])break}}var u=t.pos-a;if(-1===r){(0,o.warn)("Inline ASCII85Decode image stream: EOD marker not found, searching for /EI/ instead.");t.skip(-u);return this.findDefaultInlineStreamEnd(t)}this.inlineStreamSkipEI(t);return u}},{key:"findASCIIHexDecodeInlineStreamEnd",value:function findASCIIHexDecodeInlineStreamEnd(t){for(var r,a=t.pos;-1!==(r=t.getByte())&&62!==r;);var i=t.pos-a;if(-1===r){(0,o.warn)("Inline ASCIIHexDecode image stream: EOD marker not found, searching for /EI/ instead.");t.skip(-i);return this.findDefaultInlineStreamEnd(t)}this.inlineStreamSkipEI(t);return i}},{key:"inlineStreamSkipEI",value:function inlineStreamSkipEI(t){for(var r,a=0;-1!==(r=t.getByte());)if(0===a)a=69===r?1:0;else if(1===a)a=73===r?2:0;else if(2===a)break}},{key:"makeInlineImage",value:function makeInlineImage(t){for(var r,a=this.lexer,i=a.stream,l=new c.Dict(this.xref);!(0,c.isCmd)(this.buf1,"ID")&&!(0,c.isEOF)(this.buf1);){if(!(0,c.isName)(this.buf1))throw new o.FormatError("Dictionary key must be a name object");var u=this.buf1.name;this.shift();if((0,c.isEOF)(this.buf1))break;l.set(u,this.getObj(t))}-1!==a.beginInlineImagePos&&(r=i.pos-a.beginInlineImagePos);var h,d=l.get("Filter","F");if((0,c.isName)(d))h=d.name;else if(Array.isArray(d)){var p=this.xref.fetchIfRef(d[0]);(0,c.isName)(p)&&(h=p.name)}var m,g=i.pos;m="DCTDecode"===h||"DCT"===h?this.findDCTDecodeInlineStreamEnd(i):"ASCII85Decode"===h||"A85"===h?this.findASCII85DecodeInlineStreamEnd(i):"ASCIIHexDecode"===h||"AHx"===h?this.findASCIIHexDecodeInlineStreamEnd(i):this.findDefaultInlineStreamEnd(i);var y,b=i.makeSubStream(g,m,l);if(m<1e3&&r<5552){var v=b.getBytes();b.reset();var S=i.pos;i.pos=a.beginInlineImagePos;var k=i.getBytes(r);i.pos=S;y=computeAdler32(v)+"_"+computeAdler32(k);var w=this.imageCache[y];if(void 0!==w){this.buf2=c.Cmd.get("EI");this.shift();w.reset();return w}}t&&(b=t.createStream(b,m));(b=this.filter(b,l,m)).dict=l;if(void 0!==y){b.cacheKey="inline_".concat(m,"_").concat(y);this.imageCache[y]=b}this.buf2=c.Cmd.get("EI");this.shift();return b}},{key:"_findStreamLength",value:function _findStreamLength(t,r){var a=this.lexer.stream;a.pos=t;for(var i=r.length;a.pos<a.end;){var o=a.peekBytes(2048),c=o.length-i;if(c<=0)break;for(var l=0;l<c;){for(var u=0;u<i&&o[l+u]===r[u];)u++;if(u>=i){a.pos+=l;return a.pos-t}l++}a.pos+=c}return-1}},{key:"makeStream",value:function makeStream(t,r){var a=this.lexer,i=a.stream;a.skipToNextLine();var u=i.pos-1,h=t.get("Length");if(!Number.isInteger(h)){(0,o.info)('Bad length "'.concat(h,'" in stream'));h=0}i.pos=u+h;a.nextChar();if(this.tryShift()&&(0,c.isCmd)(this.buf2,"endstream"))this.shift();else{var d=new Uint8Array([101,110,100,115,116,114,101,97,109]),p=this._findStreamLength(u,d);if(p<0){for(var m=1;m<=1;m++){var g=d.length-m,y=d.slice(0,g),b=this._findStreamLength(u,y);if(b>=0){var v=i.peekBytes(g+1)[g];if(!(0,l.isWhiteSpace)(v))break;(0,o.info)('Found "'.concat((0,o.bytesToString)(y),'" when ')+"searching for endstream command.");p=b;break}}if(p<0)throw new o.FormatError("Missing endstream command.")}h=p;a.nextChar();this.shift();this.shift()}this.shift();i=i.makeSubStream(u,h,t);r&&(i=r.createStream(i,h));(i=this.filter(i,t,h)).dict=t;return i}},{key:"filter",value:function filter(t,r,a){var filter=r.get("Filter","F"),i=r.get("DecodeParms","DP");if((0,c.isName)(filter)){Array.isArray(i)&&(0,o.warn)("/DecodeParms should not contain an Array, when /Filter contains a Name.");return this.makeFilter(t,filter.name,a,i)}var l=a;if(Array.isArray(filter))for(var u=filter,h=i,d=0,p=u.length;d<p;++d){filter=this.xref.fetchIfRef(u[d]);if(!(0,c.isName)(filter))throw new o.FormatError('Bad filter name "'.concat(filter,'"'));i=null;Array.isArray(h)&&d in h&&(i=this.xref.fetchIfRef(h[d]));t=this.makeFilter(t,filter.name,l,i);l=null}return t}},{key:"makeFilter",value:function makeFilter(t,r,a,c){if(0===a){(0,o.warn)('Empty "'.concat(r,'" stream.'));return new i.NullStream}try{var m=this.xref.stats.streamTypes;if("FlateDecode"===r||"Fl"===r){m[o.StreamType.FLATE]=!0;return c?new i.PredictorStream(new i.FlateStream(t,a),a,c):new i.FlateStream(t,a)}if("LZWDecode"===r||"LZW"===r){m[o.StreamType.LZW]=!0;var g=1;if(c){c.has("EarlyChange")&&(g=c.get("EarlyChange"));return new i.PredictorStream(new i.LZWStream(t,a,g),a,c)}return new i.LZWStream(t,a,g)}if("DCTDecode"===r||"DCT"===r){m[o.StreamType.DCT]=!0;return new d.JpegStream(t,a,t.dict,c)}if("JPXDecode"===r||"JPX"===r){m[o.StreamType.JPX]=!0;return new p.JpxStream(t,a,t.dict,c)}if("ASCII85Decode"===r||"A85"===r){m[o.StreamType.A85]=!0;return new i.Ascii85Stream(t,a)}if("ASCIIHexDecode"===r||"AHx"===r){m[o.StreamType.AHX]=!0;return new i.AsciiHexStream(t,a)}if("CCITTFaxDecode"===r||"CCF"===r){m[o.StreamType.CCF]=!0;return new u.CCITTFaxStream(t,a,c)}if("RunLengthDecode"===r||"RL"===r){m[o.StreamType.RLX]=!0;return new i.RunLengthStream(t,a)}if("JBIG2Decode"===r){m[o.StreamType.JBIG]=!0;return new h.Jbig2Stream(t,a,t.dict,c)}(0,o.warn)('Filter "'.concat(r,'" is not supported.'));return t}catch(t){if(t instanceof l.MissingDataException)throw t;(0,o.warn)('Invalid stream: "'.concat(t,'"'));return new i.NullStream}}}]);return Parser}();r.Parser=m;var g=[1,0,0,0,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,2,0,0,2,2,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];function toHexDigit(t){return t>=48&&t<=57?15&t:t>=65&&t<=70||t>=97&&t<=102?9+(15&t):-1}var y=function(){function Lexer(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;_classCallCheck(this,Lexer);this.stream=t;this.nextChar();this.strBuf=[];this.knownCommands=r;this._hexStringNumWarn=0;this.beginInlineImagePos=-1}_createClass(Lexer,[{key:"nextChar",value:function nextChar(){return this.currentChar=this.stream.getByte()}},{key:"peekChar",value:function peekChar(){return this.stream.peekByte()}},{key:"getNumber",value:function getNumber(){var t=this.currentChar,r=!1,a=0,i=0;if(45===t){i=-1;45===(t=this.nextChar())&&(t=this.nextChar())}else if(43===t){i=1;t=this.nextChar()}if(10===t||13===t)do{t=this.nextChar()}while(10===t||13===t);if(46===t){a=10;t=this.nextChar()}if(t<48||t>57){if(10===a&&0===i&&((0,l.isWhiteSpace)(t)||-1===t)){(0,o.warn)("Lexer.getNumber - treating a single decimal point as zero.");return 0}throw new o.FormatError("Invalid number: ".concat(String.fromCharCode(t)," (charCode ").concat(t,")"))}i=i||1;for(var c=t-48,u=0,h=1;(t=this.nextChar())>=0;)if(t>=48&&t<=57){var d=t-48;if(r)u=10*u+d;else{0!==a&&(a*=10);c=10*c+d}}else if(46===t){if(0!==a)break;a=1}else if(45===t)(0,o.warn)("Badly formatted number: minus sign in the middle");else{if(69!==t&&101!==t)break;if(43===(t=this.peekChar())||45===t){h=45===t?-1:1;this.nextChar()}else if(t<48||t>57)break;r=!0}0!==a&&(c/=a);r&&(c*=Math.pow(10,h*u));return i*c}},{key:"getString",value:function getString(){var t=1,r=!1,a=this.strBuf;a.length=0;for(var i=this.nextChar();;){var c=!1;switch(0|i){case-1:(0,o.warn)("Unterminated string");r=!0;break;case 40:++t;a.push("(");break;case 41:if(0==--t){this.nextChar();r=!0}else a.push(")");break;case 92:switch(i=this.nextChar()){case-1:(0,o.warn)("Unterminated string");r=!0;break;case 110:a.push("\n");break;case 114:a.push("\r");break;case 116:a.push("\t");break;case 98:a.push("\b");break;case 102:a.push("\f");break;case 92:case 40:case 41:a.push(String.fromCharCode(i));break;case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:var l=15&i;c=!0;if((i=this.nextChar())>=48&&i<=55){l=(l<<3)+(15&i);if((i=this.nextChar())>=48&&i<=55){c=!1;l=(l<<3)+(15&i)}}a.push(String.fromCharCode(l));break;case 13:10===this.peekChar()&&this.nextChar();break;case 10:break;default:a.push(String.fromCharCode(i))}break;default:a.push(String.fromCharCode(i))}if(r)break;c||(i=this.nextChar())}return a.join("")}},{key:"getName",value:function getName(){var t,r,a=this.strBuf;a.length=0;for(;(t=this.nextChar())>=0&&!g[t];)if(35===t){t=this.nextChar();if(g[t]){(0,o.warn)("Lexer_getName: NUMBER SIGN (#) should be followed by a hexadecimal number.");a.push("#");break}var i=toHexDigit(t);if(-1!==i){r=t;var l=toHexDigit(t=this.nextChar());if(-1===l){(0,o.warn)("Lexer_getName: Illegal digit (".concat(String.fromCharCode(t),") ")+"in hexadecimal number.");a.push("#",String.fromCharCode(r));if(g[t])break;a.push(String.fromCharCode(t));continue}a.push(String.fromCharCode(i<<4|l))}else a.push("#",String.fromCharCode(t))}else a.push(String.fromCharCode(t));a.length>127&&(0,o.warn)("Name token is longer than allowed by the spec: ".concat(a.length));return c.Name.get(a.join(""))}},{key:"_hexStringWarn",value:function _hexStringWarn(t){5!=this._hexStringNumWarn++?this._hexStringNumWarn>5||(0,o.warn)("getHexString - ignoring invalid character: ".concat(t)):(0,o.warn)("getHexString - ignoring additional invalid characters.")}},{key:"getHexString",value:function getHexString(){var t=this.strBuf;t.length=0;var r,a,i=this.currentChar,c=!0;this._hexStringNumWarn=0;for(;;){if(i<0){(0,o.warn)("Unterminated hex string");break}if(62===i){this.nextChar();break}if(1!==g[i]){if(c){if(-1===(r=toHexDigit(i))){this._hexStringWarn(i);i=this.nextChar();continue}}else{if(-1===(a=toHexDigit(i))){this._hexStringWarn(i);i=this.nextChar();continue}t.push(String.fromCharCode(r<<4|a))}c=!c;i=this.nextChar()}else i=this.nextChar()}return t.join("")}},{key:"getObj",value:function getObj(){for(var t=!1,r=this.currentChar;;){if(r<0)return c.EOF;if(t)10!==r&&13!==r||(t=!1);else if(37===r)t=!0;else if(1!==g[r])break;r=this.nextChar()}switch(0|r){case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 43:case 45:case 46:return this.getNumber();case 40:return this.getString();case 47:return this.getName();case 91:this.nextChar();return c.Cmd.get("[");case 93:this.nextChar();return c.Cmd.get("]");case 60:if(60===(r=this.nextChar())){this.nextChar();return c.Cmd.get("<<")}return this.getHexString();case 62:if(62===(r=this.nextChar())){this.nextChar();return c.Cmd.get(">>")}return c.Cmd.get(">");case 123:this.nextChar();return c.Cmd.get("{");case 125:this.nextChar();return c.Cmd.get("}");case 41:this.nextChar();throw new o.FormatError("Illegal character: ".concat(r))}for(var a=String.fromCharCode(r),i=this.knownCommands,l=i&&void 0!==i[a];(r=this.nextChar())>=0&&!g[r];){var u=a+String.fromCharCode(r);if(l&&void 0===i[u])break;if(128===a.length)throw new o.FormatError("Command token too long: ".concat(a.length));a=u;l=i&&void 0!==i[a]}if("true"===a)return!0;if("false"===a)return!1;if("null"===a)return null;"BI"===a&&(this.beginInlineImagePos=this.stream.pos);return c.Cmd.get(a)}},{key:"peekObj",value:function peekObj(){var t,r=this.stream.pos,a=this.currentChar,i=this.beginInlineImagePos;try{t=this.getObj()}catch(t){if(t instanceof l.MissingDataException)throw t;(0,o.warn)("peekObj: ".concat(t))}this.stream.pos=r;this.currentChar=a;this.beginInlineImagePos=i;return t}},{key:"skipToNextLine",value:function skipToNextLine(){for(var t=this.currentChar;t>=0;){if(13===t){10===(t=this.nextChar())&&this.nextChar();break}if(10===t){this.nextChar();break}t=this.nextChar()}}}]);return Lexer}();r.Lexer=y;var b=function(){function Linearization(){_classCallCheck(this,Linearization)}_createClass(Linearization,null,[{key:"create",value:function create(t){function getInt(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2],i=t.get(r);if(Number.isInteger(i)&&(a?i>=0:i>0))return i;throw new Error('The "'.concat(r,'" parameter in the linearization ')+"dictionary is invalid.")}var r,a,i=new m({lexer:new y(t),xref:null}),l=i.getObj(),u=i.getObj(),h=i.getObj(),d=i.getObj();if(!(Number.isInteger(l)&&Number.isInteger(u)&&(0,c.isCmd)(h,"obj")&&(0,c.isDict)(d)&&(0,o.isNum)(r=d.get("Linearized"))&&r>0))return null;if((a=getInt(d,"L"))!==t.length)throw new Error('The "L" parameter in the linearization dictionary does not equal the stream length.');return{length:a,hints:function getHints(t){var r,a=t.get("H");if(Array.isArray(a)&&(2===(r=a.length)||4===r)){for(var i=0;i<r;i++){var o=a[i];if(!(Number.isInteger(o)&&o>0))throw new Error("Hint (".concat(i,") in the linearization dictionary is invalid."))}return a}throw new Error("Hint array in the linearization dictionary is invalid.")}(d),objectNumberFirst:getInt(d,"O"),endFirst:getInt(d,"E"),numPages:getInt(d,"N"),mainXRefEntriesOffset:getInt(d,"T"),pageFirst:d.has("P")?getInt(d,"P",!0):0}}}]);return Linearization}();r.Linearization=b},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.LZWStream=r.StringStream=r.StreamsSequenceStream=r.Stream=r.RunLengthStream=r.PredictorStream=r.NullStream=r.FlateStream=r.DecodeStream=r.DecryptStream=r.AsciiHexStream=r.Ascii85Stream=void 0;var i=a(5),o=a(202),c=a(205);function _toConsumableArray(t){return function _arrayWithoutHoles(t){if(Array.isArray(t))return _arrayLikeToArray(t)}(t)||function _iterableToArray(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}(t)||function _unsupportedIterableToArray(t,r){if(!t)return;if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);if("Map"===a||"Set"===a)return Array.from(t);if("Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a))return _arrayLikeToArray(t,r)}(t)||function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,i=new Array(r);a<r;a++)i[a]=t[a];return i}var l=function StreamClosure(){function Stream(t,r,a,i){this.bytes=t instanceof Uint8Array?t:new Uint8Array(t);this.start=r||0;this.pos=this.start;this.end=r+a||this.bytes.length;this.dict=i}Stream.prototype={get length(){return this.end-this.start},get isEmpty(){return 0===this.length},getByte:function Stream_getByte(){return this.pos>=this.end?-1:this.bytes[this.pos++]},getUint16:function Stream_getUint16(){var t=this.getByte(),r=this.getByte();return-1===t||-1===r?-1:(t<<8)+r},getInt32:function Stream_getInt32(){return(this.getByte()<<24)+(this.getByte()<<16)+(this.getByte()<<8)+this.getByte()},getBytes:function getBytes(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=this.bytes,i=this.pos,o=this.end;if(!t){var c=a.subarray(i,o);return r?new Uint8ClampedArray(c):c}var l=i+t;l>o&&(l=o);this.pos=l;var u=a.subarray(i,l);return r?new Uint8ClampedArray(u):u},peekByte:function Stream_peekByte(){var t=this.getByte();-1!==t&&this.pos--;return t},peekBytes:function peekBytes(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=this.getBytes(t,r);this.pos-=a.length;return a},getByteRange:function getByteRange(t,r){t<0&&(t=0);r>this.end&&(r=this.end);return this.bytes.subarray(t,r)},skip:function Stream_skip(t){t||(t=1);this.pos+=t},reset:function Stream_reset(){this.pos=this.start},moveStart:function Stream_moveStart(){this.start=this.pos},makeSubStream:function Stream_makeSubStream(t,r,a){return new Stream(this.bytes.buffer,t,r,a)}};return Stream}();r.Stream=l;var u=function StringStreamClosure(){function StringStream(t){var r=(0,i.stringToBytes)(t);l.call(this,r)}StringStream.prototype=l.prototype;return StringStream}();r.StringStream=u;var h=function DecodeStreamClosure(){var t=new Uint8Array(0);function DecodeStream(r){this._rawMinBufferLength=r||0;this.pos=0;this.bufferLength=0;this.eof=!1;this.buffer=t;this.minBufferLength=512;if(r)for(;this.minBufferLength<r;)this.minBufferLength*=2}DecodeStream.prototype={get isEmpty(){for(;!this.eof&&0===this.bufferLength;)this.readBlock();return 0===this.bufferLength},ensureBuffer:function DecodeStream_ensureBuffer(t){var r=this.buffer;if(t<=r.byteLength)return r;for(var a=this.minBufferLength;a<t;)a*=2;var i=new Uint8Array(a);i.set(r);return this.buffer=i},getByte:function DecodeStream_getByte(){for(var t=this.pos;this.bufferLength<=t;){if(this.eof)return-1;this.readBlock()}return this.buffer[this.pos++]},getUint16:function DecodeStream_getUint16(){var t=this.getByte(),r=this.getByte();return-1===t||-1===r?-1:(t<<8)+r},getInt32:function DecodeStream_getInt32(){return(this.getByte()<<24)+(this.getByte()<<16)+(this.getByte()<<8)+this.getByte()},getBytes:function getBytes(t){var r,a=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=this.pos;if(t){this.ensureBuffer(i+t);r=i+t;for(;!this.eof&&this.bufferLength<r;)this.readBlock();var o=this.bufferLength;r>o&&(r=o)}else{for(;!this.eof;)this.readBlock();r=this.bufferLength}this.pos=r;var c=this.buffer.subarray(i,r);return!a||c instanceof Uint8ClampedArray?c:new Uint8ClampedArray(c)},peekByte:function DecodeStream_peekByte(){var t=this.getByte();-1!==t&&this.pos--;return t},peekBytes:function peekBytes(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=this.getBytes(t,r);this.pos-=a.length;return a},makeSubStream:function DecodeStream_makeSubStream(t,r,a){for(var i=t+r;this.bufferLength<=i&&!this.eof;)this.readBlock();return new l(this.buffer,t,r,a)},getByteRange:function getByteRange(t,r){(0,i.unreachable)("Should not call DecodeStream.getByteRange")},skip:function DecodeStream_skip(t){t||(t=1);this.pos+=t},reset:function DecodeStream_reset(){this.pos=0},getBaseStreams:function DecodeStream_getBaseStreams(){return this.str&&this.str.getBaseStreams?this.str.getBaseStreams():[]}};return DecodeStream}();r.DecodeStream=h;var d=function StreamsSequenceStreamClosure(){function StreamsSequenceStream(t){this.streams=t;for(var r=0,a=0,i=t.length;a<i;a++){var o=t[a];r+=o instanceof h?o._rawMinBufferLength:o.length}h.call(this,r)}StreamsSequenceStream.prototype=Object.create(h.prototype);StreamsSequenceStream.prototype.readBlock=function streamSequenceStreamReadBlock(){var t=this.streams;if(0!==t.length){var r=t.shift().getBytes(),a=this.bufferLength,i=a+r.length;this.ensureBuffer(i).set(r,a);this.bufferLength=i}else this.eof=!0};StreamsSequenceStream.prototype.getBaseStreams=function StreamsSequenceStream_getBaseStreams(){for(var t=[],r=0,a=this.streams.length;r<a;r++){var i=this.streams[r];i.getBaseStreams&&t.push.apply(t,_toConsumableArray(i.getBaseStreams()))}return t};return StreamsSequenceStream}();r.StreamsSequenceStream=d;var p=function FlateStreamClosure(){var t=new Int32Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),r=new Int32Array([3,4,5,6,7,8,9,10,65547,65549,65551,65553,131091,131095,131099,131103,196643,196651,196659,196667,262211,262227,262243,262259,327811,327843,327875,327907,258,258,258]),a=new Int32Array([1,2,3,4,65541,65543,131081,131085,196625,196633,262177,262193,327745,327777,393345,393409,459009,459137,524801,525057,590849,591361,657409,658433,724993,727041,794625,798721,868353,876545]),o=[new Int32Array([459008,524368,524304,524568,459024,524400,524336,590016,459016,524384,524320,589984,524288,524416,524352,590048,459012,524376,524312,589968,459028,524408,524344,590032,459020,524392,524328,59e4,524296,524424,524360,590064,459010,524372,524308,524572,459026,524404,524340,590024,459018,524388,524324,589992,524292,524420,524356,590056,459014,524380,524316,589976,459030,524412,524348,590040,459022,524396,524332,590008,524300,524428,524364,590072,459009,524370,524306,524570,459025,524402,524338,590020,459017,524386,524322,589988,524290,524418,524354,590052,459013,524378,524314,589972,459029,524410,524346,590036,459021,524394,524330,590004,524298,524426,524362,590068,459011,524374,524310,524574,459027,524406,524342,590028,459019,524390,524326,589996,524294,524422,524358,590060,459015,524382,524318,589980,459031,524414,524350,590044,459023,524398,524334,590012,524302,524430,524366,590076,459008,524369,524305,524569,459024,524401,524337,590018,459016,524385,524321,589986,524289,524417,524353,590050,459012,524377,524313,589970,459028,524409,524345,590034,459020,524393,524329,590002,524297,524425,524361,590066,459010,524373,524309,524573,459026,524405,524341,590026,459018,524389,524325,589994,524293,524421,524357,590058,459014,524381,524317,589978,459030,524413,524349,590042,459022,524397,524333,590010,524301,524429,524365,590074,459009,524371,524307,524571,459025,524403,524339,590022,459017,524387,524323,589990,524291,524419,524355,590054,459013,524379,524315,589974,459029,524411,524347,590038,459021,524395,524331,590006,524299,524427,524363,590070,459011,524375,524311,524575,459027,524407,524343,590030,459019,524391,524327,589998,524295,524423,524359,590062,459015,524383,524319,589982,459031,524415,524351,590046,459023,524399,524335,590014,524303,524431,524367,590078,459008,524368,524304,524568,459024,524400,524336,590017,459016,524384,524320,589985,524288,524416,524352,590049,459012,524376,524312,589969,459028,524408,524344,590033,459020,524392,524328,590001,524296,524424,524360,590065,459010,524372,524308,524572,459026,524404,524340,590025,459018,524388,524324,589993,524292,524420,524356,590057,459014,524380,524316,589977,459030,524412,524348,590041,459022,524396,524332,590009,524300,524428,524364,590073,459009,524370,524306,524570,459025,524402,524338,590021,459017,524386,524322,589989,524290,524418,524354,590053,459013,524378,524314,589973,459029,524410,524346,590037,459021,524394,524330,590005,524298,524426,524362,590069,459011,524374,524310,524574,459027,524406,524342,590029,459019,524390,524326,589997,524294,524422,524358,590061,459015,524382,524318,589981,459031,524414,524350,590045,459023,524398,524334,590013,524302,524430,524366,590077,459008,524369,524305,524569,459024,524401,524337,590019,459016,524385,524321,589987,524289,524417,524353,590051,459012,524377,524313,589971,459028,524409,524345,590035,459020,524393,524329,590003,524297,524425,524361,590067,459010,524373,524309,524573,459026,524405,524341,590027,459018,524389,524325,589995,524293,524421,524357,590059,459014,524381,524317,589979,459030,524413,524349,590043,459022,524397,524333,590011,524301,524429,524365,590075,459009,524371,524307,524571,459025,524403,524339,590023,459017,524387,524323,589991,524291,524419,524355,590055,459013,524379,524315,589975,459029,524411,524347,590039,459021,524395,524331,590007,524299,524427,524363,590071,459011,524375,524311,524575,459027,524407,524343,590031,459019,524391,524327,589999,524295,524423,524359,590063,459015,524383,524319,589983,459031,524415,524351,590047,459023,524399,524335,590015,524303,524431,524367,590079]),9],c=[new Int32Array([327680,327696,327688,327704,327684,327700,327692,327708,327682,327698,327690,327706,327686,327702,327694,0,327681,327697,327689,327705,327685,327701,327693,327709,327683,327699,327691,327707,327687,327703,327695,0]),5];function FlateStream(t,r){this.str=t;this.dict=t.dict;var a=t.getByte(),o=t.getByte();if(-1===a||-1===o)throw new i.FormatError("Invalid header in flate stream: ".concat(a,", ").concat(o));if(8!=(15&a))throw new i.FormatError("Unknown compression method in flate stream: ".concat(a,", ").concat(o));if(((a<<8)+o)%31!=0)throw new i.FormatError("Bad FCHECK in flate stream: ".concat(a,", ").concat(o));if(32&o)throw new i.FormatError("FDICT bit set in flate stream: ".concat(a,", ").concat(o));this.codeSize=0;this.codeBuf=0;h.call(this,r)}FlateStream.prototype=Object.create(h.prototype);FlateStream.prototype.getBits=function FlateStream_getBits(t){for(var r,a=this.str,o=this.codeSize,c=this.codeBuf;o<t;){if(-1===(r=a.getByte()))throw new i.FormatError("Bad encoding in flate stream");c|=r<<o;o+=8}r=c&(1<<t)-1;this.codeBuf=c>>t;this.codeSize=o-=t;return r};FlateStream.prototype.getCode=function FlateStream_getCode(t){for(var r,a=this.str,o=t[0],c=t[1],l=this.codeSize,u=this.codeBuf;l<c&&-1!==(r=a.getByte());){u|=r<<l;l+=8}var h=o[u&(1<<c)-1],d=h>>16,p=65535&h;if(d<1||l<d)throw new i.FormatError("Bad encoding in flate stream");this.codeBuf=u>>d;this.codeSize=l-d;return p};FlateStream.prototype.generateHuffmanTable=function flateStreamGenerateHuffmanTable(t){var r,a=t.length,i=0;for(r=0;r<a;++r)t[r]>i&&(i=t[r]);for(var o=1<<i,c=new Int32Array(o),l=1,u=0,h=2;l<=i;++l,u<<=1,h<<=1)for(var d=0;d<a;++d)if(t[d]===l){var p=0,m=u;for(r=0;r<l;++r){p=p<<1|1&m;m>>=1}for(r=p;r<o;r+=h)c[r]=l<<16|d;++u}return[c,i]};FlateStream.prototype.readBlock=function FlateStream_readBlock(){var l,u,h=this.str,d=this.getBits(3);1&d&&(this.eof=!0);if(0!==(d>>=1)){var p,m;if(1===d){p=o;m=c}else{if(2!==d)throw new i.FormatError("Unknown block type in flate stream");var g,y=this.getBits(5)+257,b=this.getBits(5)+1,v=this.getBits(4)+4,S=new Uint8Array(t.length);for(g=0;g<v;++g)S[t[g]]=this.getBits(3);var k=this.generateHuffmanTable(S);u=0;g=0;for(var w,C,_,x=y+b,A=new Uint8Array(x);g<x;){var T=this.getCode(k);if(16===T){w=2;C=3;_=u}else if(17===T){w=3;C=3;_=u=0}else{if(18!==T){A[g++]=u=T;continue}w=7;C=11;_=u=0}for(var R=this.getBits(w)+C;R-- >0;)A[g++]=_}p=this.generateHuffmanTable(A.subarray(0,y));m=this.generateHuffmanTable(A.subarray(y,x))}for(var I=(l=this.buffer)?l.length:0,P=this.bufferLength;;){var O=this.getCode(p);if(O<256){P+1>=I&&(I=(l=this.ensureBuffer(P+1)).length);l[P++]=O}else{if(256===O){this.bufferLength=P;return}var E=(O=r[O-=257])>>16;E>0&&(E=this.getBits(E));u=(65535&O)+E;O=this.getCode(m);(E=(O=a[O])>>16)>0&&(E=this.getBits(E));var B=(65535&O)+E;P+u>=I&&(I=(l=this.ensureBuffer(P+u)).length);for(var D=0;D<u;++D,++P)l[P]=l[P-B]}}}else{var M;if(-1===(M=h.getByte()))throw new i.FormatError("Bad block header in flate stream");var L=M;if(-1===(M=h.getByte()))throw new i.FormatError("Bad block header in flate stream");L|=M<<8;if(-1===(M=h.getByte()))throw new i.FormatError("Bad block header in flate stream");var N=M;if(-1===(M=h.getByte()))throw new i.FormatError("Bad block header in flate stream");if((N|=M<<8)!==(65535&~L)&&(0!==L||0!==N))throw new i.FormatError("Bad uncompressed block length in flate stream");this.codeBuf=0;this.codeSize=0;var U=this.bufferLength,j=U+L;l=this.ensureBuffer(j);this.bufferLength=j;if(0===L)-1===h.peekByte()&&(this.eof=!0);else{var q=h.getBytes(L);l.set(q,U);q.length<L&&(this.eof=!0)}}};return FlateStream}();r.FlateStream=p;var m=function PredictorStreamClosure(){function PredictorStream(t,r,a){if(!(0,o.isDict)(a))return t;var c=this.predictor=a.get("Predictor")||1;if(c<=1)return t;if(2!==c&&(c<10||c>15))throw new i.FormatError("Unsupported predictor: ".concat(c));this.readBlock=2===c?this.readBlockTiff:this.readBlockPng;this.str=t;this.dict=t.dict;var l=this.colors=a.get("Colors")||1,u=this.bits=a.get("BitsPerComponent")||8,d=this.columns=a.get("Columns")||1;this.pixBytes=l*u+7>>3;this.rowBytes=d*l*u+7>>3;h.call(this,r);return this}PredictorStream.prototype=Object.create(h.prototype);PredictorStream.prototype.readBlockTiff=function predictorStreamReadBlockTiff(){var t=this.rowBytes,r=this.bufferLength,a=this.ensureBuffer(r+t),i=this.bits,o=this.colors,c=this.str.getBytes(t);this.eof=!c.length;if(!this.eof){var l,u=0,h=0,d=0,p=0,m=r;if(1===i&&1===o)for(l=0;l<t;++l){var g=c[l]^u;g^=g>>1;g^=g>>2;u=(1&(g^=g>>4))<<7;a[m++]=g}else if(8===i){for(l=0;l<o;++l)a[m++]=c[l];for(;l<t;++l){a[m]=a[m-o]+c[l];m++}}else if(16===i){var y=2*o;for(l=0;l<y;++l)a[m++]=c[l];for(;l<t;l+=2){var b=((255&c[l])<<8)+(255&c[l+1])+((255&a[m-y])<<8)+(255&a[m-y+1]);a[m++]=b>>8&255;a[m++]=255&b}}else{var v=new Uint8Array(o+1),S=(1<<i)-1,k=0,w=r,C=this.columns;for(l=0;l<C;++l)for(var _=0;_<o;++_){if(d<i){u=u<<8|255&c[k++];d+=8}v[_]=v[_]+(u>>d-i)&S;d-=i;h=h<<i|v[_];if((p+=i)>=8){a[w++]=h>>p-8&255;p-=8}}p>0&&(a[w++]=(h<<8-p)+(u&(1<<8-p)-1))}this.bufferLength+=t}};PredictorStream.prototype.readBlockPng=function predictorStreamReadBlockPng(){var t=this.rowBytes,r=this.pixBytes,a=this.str.getByte(),o=this.str.getBytes(t);this.eof=!o.length;if(!this.eof){var c=this.bufferLength,l=this.ensureBuffer(c+t),u=l.subarray(c-t,c);0===u.length&&(u=new Uint8Array(t));var h,d,p,m=c;switch(a){case 0:for(h=0;h<t;++h)l[m++]=o[h];break;case 1:for(h=0;h<r;++h)l[m++]=o[h];for(;h<t;++h){l[m]=l[m-r]+o[h]&255;m++}break;case 2:for(h=0;h<t;++h)l[m++]=u[h]+o[h]&255;break;case 3:for(h=0;h<r;++h)l[m++]=(u[h]>>1)+o[h];for(;h<t;++h){l[m]=(u[h]+l[m-r]>>1)+o[h]&255;m++}break;case 4:for(h=0;h<r;++h){d=u[h];p=o[h];l[m++]=d+p}for(;h<t;++h){d=u[h];var g=u[h-r],y=l[m-r],b=y+d-g,v=b-y;v<0&&(v=-v);var S=b-d;S<0&&(S=-S);var k=b-g;k<0&&(k=-k);p=o[h];l[m++]=v<=S&&v<=k?y+p:S<=k?d+p:g+p}break;default:throw new i.FormatError("Unsupported predictor: ".concat(a))}this.bufferLength+=t}};return PredictorStream}();r.PredictorStream=m;var g=function DecryptStreamClosure(){function DecryptStream(t,r,a){this.str=t;this.dict=t.dict;this.decrypt=a;this.nextChunk=null;this.initialized=!1;h.call(this,r)}DecryptStream.prototype=Object.create(h.prototype);DecryptStream.prototype.readBlock=function DecryptStream_readBlock(){var t;if(this.initialized)t=this.nextChunk;else{t=this.str.getBytes(512);this.initialized=!0}if(t&&0!==t.length){this.nextChunk=this.str.getBytes(512);var r=this.nextChunk&&this.nextChunk.length>0;t=(0,this.decrypt)(t,!r);var a,i=this.bufferLength,o=t.length,c=this.ensureBuffer(i+o);for(a=0;a<o;a++)c[i++]=t[a];this.bufferLength=i}else this.eof=!0};return DecryptStream}();r.DecryptStream=g;var y=function Ascii85StreamClosure(){function Ascii85Stream(t,r){this.str=t;this.dict=t.dict;this.input=new Uint8Array(5);r&&(r*=.8);h.call(this,r)}Ascii85Stream.prototype=Object.create(h.prototype);Ascii85Stream.prototype.readBlock=function Ascii85Stream_readBlock(){for(var t=this.str,r=t.getByte();(0,c.isWhiteSpace)(r);)r=t.getByte();if(-1!==r&&126!==r){var a,i,o=this.bufferLength;if(122===r){a=this.ensureBuffer(o+4);for(i=0;i<4;++i)a[o+i]=0;this.bufferLength+=4}else{var l=this.input;l[0]=r;for(i=1;i<5;++i){r=t.getByte();for(;(0,c.isWhiteSpace)(r);)r=t.getByte();l[i]=r;if(-1===r||126===r)break}a=this.ensureBuffer(o+i-1);this.bufferLength+=i-1;if(i<5){for(;i<5;++i)l[i]=117;this.eof=!0}var u=0;for(i=0;i<5;++i)u=85*u+(l[i]-33);for(i=3;i>=0;--i){a[o+i]=255&u;u>>=8}}}else this.eof=!0};return Ascii85Stream}();r.Ascii85Stream=y;var b=function AsciiHexStreamClosure(){function AsciiHexStream(t,r){this.str=t;this.dict=t.dict;this.firstDigit=-1;r&&(r*=.5);h.call(this,r)}AsciiHexStream.prototype=Object.create(h.prototype);AsciiHexStream.prototype.readBlock=function AsciiHexStream_readBlock(){var t=this.str.getBytes(8e3);if(t.length){for(var r=t.length+1>>1,a=this.ensureBuffer(this.bufferLength+r),i=this.bufferLength,o=this.firstDigit,c=0,l=t.length;c<l;c++){var u,h=t[c];if(h>=48&&h<=57)u=15&h;else{if(!(h>=65&&h<=70||h>=97&&h<=102)){if(62===h){this.eof=!0;break}continue}u=9+(15&h)}if(o<0)o=u;else{a[i++]=o<<4|u;o=-1}}if(o>=0&&this.eof){a[i++]=o<<4;o=-1}this.firstDigit=o;this.bufferLength=i}else this.eof=!0};return AsciiHexStream}();r.AsciiHexStream=b;var v=function RunLengthStreamClosure(){function RunLengthStream(t,r){this.str=t;this.dict=t.dict;h.call(this,r)}RunLengthStream.prototype=Object.create(h.prototype);RunLengthStream.prototype.readBlock=function RunLengthStream_readBlock(){var t=this.str.getBytes(2);if(!t||t.length<2||128===t[0])this.eof=!0;else{var r,a=this.bufferLength,i=t[0];if(i<128){(r=this.ensureBuffer(a+i+1))[a++]=t[1];if(i>0){var o=this.str.getBytes(i);r.set(o,a);a+=i}}else{i=257-i;var c=t[1];r=this.ensureBuffer(a+i+1);for(var l=0;l<i;l++)r[a++]=c}this.bufferLength=a}};return RunLengthStream}();r.RunLengthStream=v;var S=function LZWStreamClosure(){function LZWStream(t,r,a){this.str=t;this.dict=t.dict;this.cachedData=0;this.bitsCached=0;for(var i={earlyChange:a,codeLength:9,nextCode:258,dictionaryValues:new Uint8Array(4096),dictionaryLengths:new Uint16Array(4096),dictionaryPrevCodes:new Uint16Array(4096),currentSequence:new Uint8Array(4096),currentSequenceLength:0},o=0;o<256;++o){i.dictionaryValues[o]=o;i.dictionaryLengths[o]=1}this.lzwState=i;h.call(this,r)}LZWStream.prototype=Object.create(h.prototype);LZWStream.prototype.readBits=function LZWStream_readBits(t){for(var r=this.bitsCached,a=this.cachedData;r<t;){var i=this.str.getByte();if(-1===i){this.eof=!0;return null}a=a<<8|i;r+=8}this.bitsCached=r-=t;this.cachedData=a;this.lastCode=null;return a>>>r&(1<<t)-1};LZWStream.prototype.readBlock=function LZWStream_readBlock(){var t,r,a,i=1024,o=this.lzwState;if(o){var c=o.earlyChange,l=o.nextCode,u=o.dictionaryValues,h=o.dictionaryLengths,d=o.dictionaryPrevCodes,p=o.codeLength,m=o.prevCode,g=o.currentSequence,y=o.currentSequenceLength,b=0,v=this.bufferLength,S=this.ensureBuffer(this.bufferLength+i);for(t=0;t<512;t++){var k=this.readBits(p),w=y>0;if(k<256){g[0]=k;y=1}else{if(!(k>=258)){if(256===k){p=9;l=258;y=0;continue}this.eof=!0;delete this.lzwState;break}if(k<l)for(r=(y=h[k])-1,a=k;r>=0;r--){g[r]=u[a];a=d[a]}else g[y++]=g[0]}if(w){d[l]=m;h[l]=h[m]+1;u[l]=g[0];p=++l+c&l+c-1?p:0|Math.min(Math.log(l+c)/.6931471805599453+1,12)}m=k;if(i<(b+=y)){do{i+=512}while(i<b);S=this.ensureBuffer(this.bufferLength+i)}for(r=0;r<y;r++)S[v++]=g[r]}o.nextCode=l;o.codeLength=p;o.prevCode=m;o.currentSequenceLength=y;this.bufferLength=v}};return LZWStream}();r.LZWStream=S;var k=function NullStreamClosure(){function NullStream(){l.call(this,new Uint8Array(0))}NullStream.prototype=l.prototype;return NullStream}();r.NullStream=k},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.CCITTFaxStream=void 0;var i=a(202),o=a(211),c=a(209),l=function CCITTFaxStreamClosure(){function CCITTFaxStream(t,r,a){this.str=t;this.dict=t.dict;(0,i.isDict)(a)||(a=i.Dict.empty);var l={next:function next(){return t.getByte()}};this.ccittFaxDecoder=new o.CCITTFaxDecoder(l,{K:a.get("K"),EndOfLine:a.get("EndOfLine"),EncodedByteAlign:a.get("EncodedByteAlign"),Columns:a.get("Columns"),Rows:a.get("Rows"),EndOfBlock:a.get("EndOfBlock"),BlackIs1:a.get("BlackIs1")});c.DecodeStream.call(this,r)}CCITTFaxStream.prototype=Object.create(c.DecodeStream.prototype);CCITTFaxStream.prototype.readBlock=function(){for(;!this.eof;){var t=this.ccittFaxDecoder.readNextChar();if(-1===t){this.eof=!0;return}this.ensureBuffer(this.bufferLength+1);this.buffer[this.bufferLength++]=t}};return CCITTFaxStream}();r.CCITTFaxStream=l},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.CCITTFaxDecoder=void 0;var i=a(5),o=function CCITTFaxDecoder(){var t=[[-1,-1],[-1,-1],[7,8],[7,7],[6,6],[6,6],[6,5],[6,5],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2]],r=[[-1,-1],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[12,1984],[12,2048],[12,2112],[12,2176],[12,2240],[12,2304],[11,1856],[11,1856],[11,1920],[11,1920],[12,2368],[12,2432],[12,2496],[12,2560]],a=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[8,29],[8,29],[8,30],[8,30],[8,45],[8,45],[8,46],[8,46],[7,22],[7,22],[7,22],[7,22],[7,23],[7,23],[7,23],[7,23],[8,47],[8,47],[8,48],[8,48],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[7,20],[7,20],[7,20],[7,20],[8,33],[8,33],[8,34],[8,34],[8,35],[8,35],[8,36],[8,36],[8,37],[8,37],[8,38],[8,38],[7,19],[7,19],[7,19],[7,19],[8,31],[8,31],[8,32],[8,32],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[8,53],[8,53],[8,54],[8,54],[7,26],[7,26],[7,26],[7,26],[8,39],[8,39],[8,40],[8,40],[8,41],[8,41],[8,42],[8,42],[8,43],[8,43],[8,44],[8,44],[7,21],[7,21],[7,21],[7,21],[7,28],[7,28],[7,28],[7,28],[8,61],[8,61],[8,62],[8,62],[8,63],[8,63],[8,0],[8,0],[8,320],[8,320],[8,384],[8,384],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[7,27],[7,27],[7,27],[7,27],[8,59],[8,59],[8,60],[8,60],[9,1472],[9,1536],[9,1600],[9,1728],[7,18],[7,18],[7,18],[7,18],[7,24],[7,24],[7,24],[7,24],[8,49],[8,49],[8,50],[8,50],[8,51],[8,51],[8,52],[8,52],[7,25],[7,25],[7,25],[7,25],[8,55],[8,55],[8,56],[8,56],[8,57],[8,57],[8,58],[8,58],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[8,448],[8,448],[8,512],[8,512],[9,704],[9,768],[8,640],[8,640],[8,576],[8,576],[9,832],[9,896],[9,960],[9,1024],[9,1088],[9,1152],[9,1216],[9,1280],[9,1344],[9,1408],[7,256],[7,256],[7,256],[7,256],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7]],o=[[-1,-1],[-1,-1],[12,-2],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[11,1792],[11,1792],[12,1984],[12,1984],[12,2048],[12,2048],[12,2112],[12,2112],[12,2176],[12,2176],[12,2240],[12,2240],[12,2304],[12,2304],[11,1856],[11,1856],[11,1856],[11,1856],[11,1920],[11,1920],[11,1920],[11,1920],[12,2368],[12,2368],[12,2432],[12,2432],[12,2496],[12,2496],[12,2560],[12,2560],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[12,52],[12,52],[13,640],[13,704],[13,768],[13,832],[12,55],[12,55],[12,56],[12,56],[13,1280],[13,1344],[13,1408],[13,1472],[12,59],[12,59],[12,60],[12,60],[13,1536],[13,1600],[11,24],[11,24],[11,24],[11,24],[11,25],[11,25],[11,25],[11,25],[13,1664],[13,1728],[12,320],[12,320],[12,384],[12,384],[12,448],[12,448],[13,512],[13,576],[12,53],[12,53],[12,54],[12,54],[13,896],[13,960],[13,1024],[13,1088],[13,1152],[13,1216],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64]],c=[[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[11,23],[11,23],[12,50],[12,51],[12,44],[12,45],[12,46],[12,47],[12,57],[12,58],[12,61],[12,256],[10,16],[10,16],[10,16],[10,16],[10,17],[10,17],[10,17],[10,17],[12,48],[12,49],[12,62],[12,63],[12,30],[12,31],[12,32],[12,33],[12,40],[12,41],[11,22],[11,22],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[12,128],[12,192],[12,26],[12,27],[12,28],[12,29],[11,19],[11,19],[11,20],[11,20],[12,34],[12,35],[12,36],[12,37],[12,38],[12,39],[11,21],[11,21],[12,42],[12,43],[10,0],[10,0],[10,0],[10,0],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12]],l=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[6,9],[6,8],[5,7],[5,7],[4,6],[4,6],[4,6],[4,6],[4,5],[4,5],[4,5],[4,5],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2]];function CCITTFaxDecoder(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(!t||"function"!=typeof t.next)throw new Error('CCITTFaxDecoder - invalid "source" parameter.');this.source=t;this.eof=!1;this.encoding=r.K||0;this.eoline=r.EndOfLine||!1;this.byteAlign=r.EncodedByteAlign||!1;this.columns=r.Columns||1728;this.rows=r.Rows||0;var a,i=r.EndOfBlock;null==i&&(i=!0);this.eoblock=i;this.black=r.BlackIs1||!1;this.codingLine=new Uint32Array(this.columns+1);this.refLine=new Uint32Array(this.columns+2);this.codingLine[0]=this.columns;this.codingPos=0;this.row=0;this.nextLine2D=this.encoding<0;this.inputBits=0;this.inputBuf=0;this.outputBits=0;this.rowsDone=!1;for(;0===(a=this._lookBits(12));)this._eatBits(1);1===a&&this._eatBits(12);if(this.encoding>0){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}}CCITTFaxDecoder.prototype={readNextChar:function readNextChar(){if(this.eof)return-1;var t,r,a,o,c,l=this.refLine,u=this.codingLine,h=this.columns;if(0===this.outputBits){this.rowsDone&&(this.eof=!0);if(this.eof)return-1;this.err=!1;var d,p,m;if(this.nextLine2D){for(o=0;u[o]<h;++o)l[o]=u[o];l[o++]=h;l[o]=h;u[0]=0;this.codingPos=0;t=0;r=0;for(;u[this.codingPos]<h;)switch(d=this._getTwoDimCode()){case 0:this._addPixels(l[t+1],r);l[t+1]<h&&(t+=2);break;case 1:d=p=0;if(r){do{d+=m=this._getBlackCode()}while(m>=64);do{p+=m=this._getWhiteCode()}while(m>=64)}else{do{d+=m=this._getWhiteCode()}while(m>=64);do{p+=m=this._getBlackCode()}while(m>=64)}this._addPixels(u[this.codingPos]+d,r);u[this.codingPos]<h&&this._addPixels(u[this.codingPos]+p,1^r);for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2;break;case 7:this._addPixels(l[t]+3,r);r^=1;if(u[this.codingPos]<h){++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 5:this._addPixels(l[t]+2,r);r^=1;if(u[this.codingPos]<h){++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 3:this._addPixels(l[t]+1,r);r^=1;if(u[this.codingPos]<h){++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 2:this._addPixels(l[t],r);r^=1;if(u[this.codingPos]<h){++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 8:this._addPixelsNeg(l[t]-3,r);r^=1;if(u[this.codingPos]<h){t>0?--t:++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 6:this._addPixelsNeg(l[t]-2,r);r^=1;if(u[this.codingPos]<h){t>0?--t:++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case 4:this._addPixelsNeg(l[t]-1,r);r^=1;if(u[this.codingPos]<h){t>0?--t:++t;for(;l[t]<=u[this.codingPos]&&l[t]<h;)t+=2}break;case-1:this._addPixels(h,0);this.eof=!0;break;default:(0,i.info)("bad 2d code");this._addPixels(h,0);this.err=!0}}else{u[0]=0;this.codingPos=0;r=0;for(;u[this.codingPos]<h;){d=0;if(r)do{d+=m=this._getBlackCode()}while(m>=64);else do{d+=m=this._getWhiteCode()}while(m>=64);this._addPixels(u[this.codingPos]+d,r);r^=1}}var g=!1;this.byteAlign&&(this.inputBits&=-8);if(this.eoblock||this.row!==this.rows-1){d=this._lookBits(12);if(this.eoline)for(;-1!==d&&1!==d;){this._eatBits(1);d=this._lookBits(12)}else for(;0===d;){this._eatBits(1);d=this._lookBits(12)}if(1===d){this._eatBits(12);g=!0}else-1===d&&(this.eof=!0)}else this.rowsDone=!0;if(!this.eof&&this.encoding>0&&!this.rowsDone){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}if(this.eoblock&&g&&this.byteAlign){if(1===(d=this._lookBits(12))){this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}if(this.encoding>=0)for(o=0;o<4;++o){1!==(d=this._lookBits(12))&&(0,i.info)("bad rtc code: "+d);this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}}this.eof=!0}}else if(this.err&&this.eoline){for(;;){if(-1===(d=this._lookBits(13))){this.eof=!0;return-1}if(d>>1==1)break;this._eatBits(1)}this._eatBits(12);if(this.encoding>0){this._eatBits(1);this.nextLine2D=!(1&d)}}u[0]>0?this.outputBits=u[this.codingPos=0]:this.outputBits=u[this.codingPos=1];this.row++}if(this.outputBits>=8){c=1&this.codingPos?0:255;this.outputBits-=8;if(0===this.outputBits&&u[this.codingPos]<h){this.codingPos++;this.outputBits=u[this.codingPos]-u[this.codingPos-1]}}else{a=8;c=0;do{if(this.outputBits>a){c<<=a;1&this.codingPos||(c|=255>>8-a);this.outputBits-=a;a=0}else{c<<=this.outputBits;1&this.codingPos||(c|=255>>8-this.outputBits);a-=this.outputBits;this.outputBits=0;if(u[this.codingPos]<h){this.codingPos++;this.outputBits=u[this.codingPos]-u[this.codingPos-1]}else if(a>0){c<<=a;a=0}}}while(a)}this.black&&(c^=255);return c},_addPixels:function _addPixels(t,r){var a=this.codingLine,o=this.codingPos;if(t>a[o]){if(t>this.columns){(0,i.info)("row is wrong length");this.err=!0;t=this.columns}1&o^r&&++o;a[o]=t}this.codingPos=o},_addPixelsNeg:function _addPixelsNeg(t,r){var a=this.codingLine,o=this.codingPos;if(t>a[o]){if(t>this.columns){(0,i.info)("row is wrong length");this.err=!0;t=this.columns}1&o^r&&++o;a[o]=t}else if(t<a[o]){if(t<0){(0,i.info)("invalid code");this.err=!0;t=0}for(;o>0&&t<a[o-1];)--o;a[o]=t}this.codingPos=o},_findTableCode:function _findTableCode(t,r,a,i){for(var o=i||0,c=t;c<=r;++c){var l=this._lookBits(c);if(-1===l)return[!0,1,!1];c<r&&(l<<=r-c);if(!o||l>=o){var u=a[l-o];if(u[0]===c){this._eatBits(c);return[!0,u[1],!0]}}}return[!1,0,!1]},_getTwoDimCode:function _getTwoDimCode(){var r,a=0;if(this.eoblock){a=this._lookBits(7);if((r=t[a])&&r[0]>0){this._eatBits(r[0]);return r[1]}}else{var o=this._findTableCode(1,7,t);if(o[0]&&o[2])return o[1]}(0,i.info)("Bad two dim code");return-1},_getWhiteCode:function _getWhiteCode(){var t,o=0;if(this.eoblock){if(-1===(o=this._lookBits(12)))return 1;if((t=o>>5==0?r[o]:a[o>>3])[0]>0){this._eatBits(t[0]);return t[1]}}else{var c=this._findTableCode(1,9,a);if(c[0])return c[1];if((c=this._findTableCode(11,12,r))[0])return c[1]}(0,i.info)("bad white code");this._eatBits(1);return 1},_getBlackCode:function _getBlackCode(){var t,r;if(this.eoblock){if(-1===(t=this._lookBits(13)))return 1;if((r=t>>7==0?o[t]:t>>9==0&&t>>7!=0?c[(t>>1)-64]:l[t>>7])[0]>0){this._eatBits(r[0]);return r[1]}}else{var a=this._findTableCode(2,6,l);if(a[0])return a[1];if((a=this._findTableCode(7,12,c,64))[0])return a[1];if((a=this._findTableCode(10,13,o))[0])return a[1]}(0,i.info)("bad black code");this._eatBits(1);return 1},_lookBits:function _lookBits(t){for(var r;this.inputBits<t;){if(-1===(r=this.source.next()))return 0===this.inputBits?-1:this.inputBuf<<t-this.inputBits&65535>>16-t;this.inputBuf=this.inputBuf<<8|r;this.inputBits+=8}return this.inputBuf>>this.inputBits-t&65535>>16-t},_eatBits:function _eatBits(t){(this.inputBits-=t)<0&&(this.inputBits=0)}};return CCITTFaxDecoder}();r.CCITTFaxDecoder=o},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.Jbig2Stream=void 0;var i=a(202),o=a(209),c=a(213),l=a(5),u=function Jbig2StreamClosure(){function Jbig2Stream(t,r,a,i){this.stream=t;this.maybeLength=r;this.dict=a;this.params=i;o.DecodeStream.call(this,r)}Jbig2Stream.prototype=Object.create(o.DecodeStream.prototype);Object.defineProperty(Jbig2Stream.prototype,"bytes",{get:function get(){return(0,l.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});Jbig2Stream.prototype.ensureBuffer=function(t){};Jbig2Stream.prototype.readBlock=function(){if(!this.eof){var t=new c.Jbig2Image,r=[];if((0,i.isDict)(this.params)){var a=this.params.get("JBIG2Globals");if((0,i.isStream)(a)){var o=a.getBytes();r.push({data:o,start:0,end:o.length})}}r.push({data:this.bytes,start:0,end:this.bytes.length});for(var l=t.parseChunks(r),u=l.length,h=0;h<u;h++)l[h]^=255;this.buffer=l;this.bufferLength=u;this.eof=!0}};return Jbig2Stream}();r.Jbig2Stream=u},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.Jbig2Image=void 0;var i=a(5),o=a(205),c=a(214),l=a(211);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var u=function(t){!function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}(Jbig2Error,t);var r=_createSuper(Jbig2Error);function Jbig2Error(t){!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,Jbig2Error);return r.call(this,"JBIG2 error: ".concat(t))}return Jbig2Error}(i.BaseException),h=function Jbig2ImageClosure(){function ContextCache(){}ContextCache.prototype={getContexts:function getContexts(t){return t in this?this[t]:this[t]=new Int8Array(65536)}};function DecodingContext(t,r,a){this.data=t;this.start=r;this.end=a}DecodingContext.prototype={get decoder(){var t=new c.ArithmeticDecoder(this.data,this.start,this.end);return(0,i.shadow)(this,"decoder",t)},get contextCache(){var t=new ContextCache;return(0,i.shadow)(this,"contextCache",t)}};function decodeInteger(t,r,a){var i=t.getContexts(r),o=1;function readBits(t){for(var r=0,c=0;c<t;c++){var l=a.readBit(i,o);o=o<256?o<<1|l:511&(o<<1|l)|256;r=r<<1|l}return r>>>0}var c=readBits(1),l=readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(32)+4436:readBits(12)+340:readBits(8)+84:readBits(6)+20:readBits(4)+4:readBits(2);return 0===c?l:l>0?-l:null}function decodeIAID(t,r,a){for(var i=t.getContexts("IAID"),o=1,c=0;c<a;c++){o=o<<1|r.readBit(i,o)}return a<31?o&(1<<a)-1:2147483647&o}var t=["SymbolDictionary",null,null,null,"IntermediateTextRegion",null,"ImmediateTextRegion","ImmediateLosslessTextRegion",null,null,null,null,null,null,null,null,"PatternDictionary",null,null,null,"IntermediateHalftoneRegion",null,"ImmediateHalftoneRegion","ImmediateLosslessHalftoneRegion",null,null,null,null,null,null,null,null,null,null,null,null,"IntermediateGenericRegion",null,"ImmediateGenericRegion","ImmediateLosslessGenericRegion","IntermediateGenericRefinementRegion",null,"ImmediateGenericRefinementRegion","ImmediateLosslessGenericRefinementRegion",null,null,null,null,"PageInformation","EndOfPage","EndOfStripe","EndOfFile","Profiles","Tables",null,null,null,null,null,null,null,null,"Extension"],r=[[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:2,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-2,y:0},{x:-1,y:0}],[{x:-3,y:-1},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}]],a=[{coding:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:-1,y:1},{x:0,y:1},{x:1,y:1}]},{coding:[{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:0,y:1},{x:1,y:1}]}],h=[39717,1941,229,405],d=[32,8];function decodeBitmap(t,a,i,o,c,l,u,d){if(t){return decodeMMRBitmap(new Reader(d.data,d.start,d.end),a,i,!1)}if(0===o&&!l&&!c&&4===u.length&&3===u[0].x&&-1===u[0].y&&-3===u[1].x&&-1===u[1].y&&2===u[2].x&&-2===u[2].y&&-2===u[3].x&&-2===u[3].y)return function decodeBitmapTemplate0(t,r,a){var i,o,c,l,u,h,d,p=a.decoder,m=a.contextCache.getContexts("GB"),g=[];for(o=0;o<r;o++){u=g[o]=new Uint8Array(t);h=o<1?u:g[o-1];i=(d=o<2?u:g[o-2])[0]<<13|d[1]<<12|d[2]<<11|h[0]<<7|h[1]<<6|h[2]<<5|h[3]<<4;for(c=0;c<t;c++){u[c]=l=p.readBit(m,i);i=(31735&i)<<1|(c+3<t?d[c+3]<<11:0)|(c+4<t?h[c+4]<<4:0)|l}}return g}(a,i,d);var p=!!l,m=r[o].concat(u);m.sort((function(t,r){return t.y-r.y||t.x-r.x}));var g,y,b=m.length,v=new Int8Array(b),S=new Int8Array(b),k=[],w=0,C=0,_=0,x=0;for(y=0;y<b;y++){v[y]=m[y].x;S[y]=m[y].y;C=Math.min(C,m[y].x);_=Math.max(_,m[y].x);x=Math.min(x,m[y].y);y<b-1&&m[y].y===m[y+1].y&&m[y].x===m[y+1].x-1?w|=1<<b-1-y:k.push(y)}var A=k.length,T=new Int8Array(A),R=new Int8Array(A),I=new Uint16Array(A);for(g=0;g<A;g++){y=k[g];T[g]=m[y].x;R[g]=m[y].y;I[g]=1<<b-1-y}for(var P,O,E,B,D,M=-C,L=-x,N=a-_,U=h[o],j=new Uint8Array(a),q=[],W=d.decoder,z=d.contextCache.getContexts("GB"),G=0,H=0,V=0;V<i;V++){if(c){if(G^=W.readBit(z,U)){q.push(j);continue}}j=new Uint8Array(j);q.push(j);for(P=0;P<a;P++)if(p&&l[V][P])j[P]=0;else{if(P>=M&&P<N&&V>=L){H=H<<1&w;for(y=0;y<A;y++){O=V+R[y];E=P+T[y];(B=q[O][E])&&(H|=B=I[y])}}else{H=0;D=b-1;for(y=0;y<b;y++,D--)(E=P+v[y])>=0&&E<a&&(O=V+S[y])>=0&&(B=q[O][E])&&(H|=B<<D)}var X=W.readBit(z,H);j[P]=X}}return q}function decodeRefinement(t,r,i,o,c,l,h,p,m){var g=a[i].coding;0===i&&(g=g.concat([p[0]]));var y,b=g.length,v=new Int32Array(b),S=new Int32Array(b);for(y=0;y<b;y++){v[y]=g[y].x;S[y]=g[y].y}var k=a[i].reference;0===i&&(k=k.concat([p[1]]));var w=k.length,C=new Int32Array(w),_=new Int32Array(w);for(y=0;y<w;y++){C[y]=k[y].x;_[y]=k[y].y}for(var x=o[0].length,A=o.length,T=d[i],R=[],I=m.decoder,P=m.contextCache.getContexts("GR"),O=0,E=0;E<r;E++){if(h){if(O^=I.readBit(P,T))throw new u("prediction is not supported")}var B=new Uint8Array(t);R.push(B);for(var D=0;D<t;D++){var M,L,N=0;for(y=0;y<b;y++){M=E+S[y];L=D+v[y];M<0||L<0||L>=t?N<<=1:N=N<<1|R[M][L]}for(y=0;y<w;y++){M=E+_[y]-l;L=D+C[y]-c;M<0||M>=A||L<0||L>=x?N<<=1:N=N<<1|o[M][L]}var U=I.readBit(P,N);B[D]=U}}return R}function decodeTextRegion(t,r,a,i,o,c,l,h,d,p,m,g,y,b,v,S,k,w,C){if(t&&r)throw new u("refinement with Huffman is not supported");var _,x,A=[];for(_=0;_<i;_++){x=new Uint8Array(a);if(o)for(var T=0;T<a;T++)x[T]=o;A.push(x)}var R=k.decoder,I=k.contextCache,P=t?-b.tableDeltaT.decode(C):-decodeInteger(I,"IADT",R),O=0;_=0;for(;_<c;){P+=t?b.tableDeltaT.decode(C):decodeInteger(I,"IADT",R);for(var E=O+=t?b.tableFirstS.decode(C):decodeInteger(I,"IAFS",R);;){var B=0;l>1&&(B=t?C.readBits(w):decodeInteger(I,"IAIT",R));var D=l*P+B,M=t?b.symbolIDTable.decode(C):decodeIAID(I,R,d),L=r&&(t?C.readBit():decodeInteger(I,"IARI",R)),N=h[M],U=N[0].length,j=N.length;if(L){var q=decodeInteger(I,"IARDW",R),W=decodeInteger(I,"IARDH",R);N=decodeRefinement(U+=q,j+=W,v,N,(q>>1)+decodeInteger(I,"IARDX",R),(W>>1)+decodeInteger(I,"IARDY",R),!1,S,k)}var z,G,H,V=D-(1&g?0:j-1),X=E-(2&g?U-1:0);if(p){for(z=0;z<j;z++)if(x=A[X+z]){H=N[z];var Y=Math.min(a-V,U);switch(y){case 0:for(G=0;G<Y;G++)x[V+G]|=H[G];break;case 2:for(G=0;G<Y;G++)x[V+G]^=H[G];break;default:throw new u("operator ".concat(y," is not supported"))}}E+=j-1}else{for(G=0;G<j;G++)if(x=A[V+G]){H=N[G];switch(y){case 0:for(z=0;z<U;z++)x[X+z]|=H[z];break;case 2:for(z=0;z<U;z++)x[X+z]^=H[z];break;default:throw new u("operator ".concat(y," is not supported"))}}E+=U-1}_++;var K=t?b.tableDeltaS.decode(C):decodeInteger(I,"IADS",R);if(null===K)break;E+=K+m}}return A}function readSegmentHeader(r,a){var i={};i.number=(0,o.readUint32)(r,a);var c=r[a+4],l=63&c;if(!t[l])throw new u("invalid segment type: "+l);i.type=l;i.typeName=t[l];i.deferredNonRetain=!!(128&c);var h=!!(64&c),d=r[a+5],m=d>>5&7,g=[31&d],y=a+6;if(7===d){m=536870911&(0,o.readUint32)(r,y-1);y+=3;var b=m+7>>3;g[0]=r[y++];for(;--b>0;)g.push(r[y++])}else if(5===d||6===d)throw new u("invalid referred-to flags");i.retainBits=g;var v=4;i.number<=256?v=1:i.number<=65536&&(v=2);var S,k,w=[];for(S=0;S<m;S++){var C=void 0;C=1===v?r[y]:2===v?(0,o.readUint16)(r,y):(0,o.readUint32)(r,y);w.push(C);y+=v}i.referredTo=w;if(h){i.pageAssociation=(0,o.readUint32)(r,y);y+=4}else i.pageAssociation=r[y++];i.length=(0,o.readUint32)(r,y);y+=4;if(4294967295===i.length){if(38!==l)throw new u("invalid unknown segment length");var _=readRegionSegmentInformation(r,y),x=!!(1&r[y+p]),A=new Uint8Array(6);if(!x){A[0]=255;A[1]=172}A[2]=_.height>>>24&255;A[3]=_.height>>16&255;A[4]=_.height>>8&255;A[5]=255&_.height;for(S=y,k=r.length;S<k;S++){for(var T=0;T<6&&A[T]===r[S+T];)T++;if(6===T){i.length=S+6;break}}if(4294967295===i.length)throw new u("segment end was not found")}i.headerEnd=y;return i}function readSegments(t,r,a,i){for(var o=[],c=a;c<i;){var l=readSegmentHeader(r,c);c=l.headerEnd;var u={header:l,data:r};if(!t.randomAccess){u.start=c;c+=l.length;u.end=c}o.push(u);if(51===l.type)break}if(t.randomAccess)for(var h=0,d=o.length;h<d;h++){o[h].start=c;c+=o[h].header.length;o[h].end=c}return o}function readRegionSegmentInformation(t,r){return{width:(0,o.readUint32)(t,r),height:(0,o.readUint32)(t,r+4),x:(0,o.readUint32)(t,r+8),y:(0,o.readUint32)(t,r+12),combinationOperator:7&t[r+16]}}var p=17;function processSegment(t,r){var a,i,c,l,h=t.header,d=t.data,m=t.start,g=t.end;switch(h.type){case 0:var y={},b=(0,o.readUint16)(d,m);y.huffman=!!(1&b);y.refinement=!!(2&b);y.huffmanDHSelector=b>>2&3;y.huffmanDWSelector=b>>4&3;y.bitmapSizeSelector=b>>6&1;y.aggregationInstancesSelector=b>>7&1;y.bitmapCodingContextUsed=!!(256&b);y.bitmapCodingContextRetained=!!(512&b);y.template=b>>10&3;y.refinementTemplate=b>>12&1;m+=2;if(!y.huffman){l=0===y.template?4:1;i=[];for(c=0;c<l;c++){i.push({x:(0,o.readInt8)(d,m),y:(0,o.readInt8)(d,m+1)});m+=2}y.at=i}if(y.refinement&&!y.refinementTemplate){i=[];for(c=0;c<2;c++){i.push({x:(0,o.readInt8)(d,m),y:(0,o.readInt8)(d,m+1)});m+=2}y.refinementAt=i}y.numberOfExportedSymbols=(0,o.readUint32)(d,m);m+=4;y.numberOfNewSymbols=(0,o.readUint32)(d,m);m+=4;a=[y,h.number,h.referredTo,d,m,g];break;case 6:case 7:var v={};v.info=readRegionSegmentInformation(d,m);m+=p;var S=(0,o.readUint16)(d,m);m+=2;v.huffman=!!(1&S);v.refinement=!!(2&S);v.logStripSize=S>>2&3;v.stripSize=1<<v.logStripSize;v.referenceCorner=S>>4&3;v.transposed=!!(64&S);v.combinationOperator=S>>7&3;v.defaultPixelValue=S>>9&1;v.dsOffset=S<<17>>27;v.refinementTemplate=S>>15&1;if(v.huffman){var k=(0,o.readUint16)(d,m);m+=2;v.huffmanFS=3&k;v.huffmanDS=k>>2&3;v.huffmanDT=k>>4&3;v.huffmanRefinementDW=k>>6&3;v.huffmanRefinementDH=k>>8&3;v.huffmanRefinementDX=k>>10&3;v.huffmanRefinementDY=k>>12&3;v.huffmanRefinementSizeSelector=!!(16384&k)}if(v.refinement&&!v.refinementTemplate){i=[];for(c=0;c<2;c++){i.push({x:(0,o.readInt8)(d,m),y:(0,o.readInt8)(d,m+1)});m+=2}v.refinementAt=i}v.numberOfSymbolInstances=(0,o.readUint32)(d,m);m+=4;a=[v,h.referredTo,d,m,g];break;case 16:var w={},C=d[m++];w.mmr=!!(1&C);w.template=C>>1&3;w.patternWidth=d[m++];w.patternHeight=d[m++];w.maxPatternIndex=(0,o.readUint32)(d,m);m+=4;a=[w,h.number,d,m,g];break;case 22:case 23:var _={};_.info=readRegionSegmentInformation(d,m);m+=p;var x=d[m++];_.mmr=!!(1&x);_.template=x>>1&3;_.enableSkip=!!(8&x);_.combinationOperator=x>>4&7;_.defaultPixelValue=x>>7&1;_.gridWidth=(0,o.readUint32)(d,m);m+=4;_.gridHeight=(0,o.readUint32)(d,m);m+=4;_.gridOffsetX=4294967295&(0,o.readUint32)(d,m);m+=4;_.gridOffsetY=4294967295&(0,o.readUint32)(d,m);m+=4;_.gridVectorX=(0,o.readUint16)(d,m);m+=2;_.gridVectorY=(0,o.readUint16)(d,m);m+=2;a=[_,h.referredTo,d,m,g];break;case 38:case 39:var A={};A.info=readRegionSegmentInformation(d,m);m+=p;var T=d[m++];A.mmr=!!(1&T);A.template=T>>1&3;A.prediction=!!(8&T);if(!A.mmr){l=0===A.template?4:1;i=[];for(c=0;c<l;c++){i.push({x:(0,o.readInt8)(d,m),y:(0,o.readInt8)(d,m+1)});m+=2}A.at=i}a=[A,d,m,g];break;case 48:var R={width:(0,o.readUint32)(d,m),height:(0,o.readUint32)(d,m+4),resolutionX:(0,o.readUint32)(d,m+8),resolutionY:(0,o.readUint32)(d,m+12)};4294967295===R.height&&delete R.height;var I=d[m+16];(0,o.readUint16)(d,m+17);R.lossless=!!(1&I);R.refinement=!!(2&I);R.defaultPixelValue=I>>2&1;R.combinationOperator=I>>3&3;R.requiresBuffer=!!(32&I);R.combinationOperatorOverride=!!(64&I);a=[R];break;case 49:case 50:case 51:break;case 53:a=[h.number,d,m,g];break;case 62:break;default:throw new u("segment type ".concat(h.typeName,"(").concat(h.type,")")+" is not implemented")}var P="on"+h.typeName;P in r&&r[P].apply(r,a)}function processSegments(t,r){for(var a=0,i=t.length;a<i;a++)processSegment(t[a],r)}function SimpleSegmentVisitor(){}SimpleSegmentVisitor.prototype={onPageInformation:function SimpleSegmentVisitor_onPageInformation(t){this.currentPageInfo=t;var r=t.width+7>>3,a=new Uint8ClampedArray(r*t.height);if(t.defaultPixelValue)for(var i=0,o=a.length;i<o;i++)a[i]=255;this.buffer=a},drawBitmap:function SimpleSegmentVisitor_drawBitmap(t,r){var a,i,o,c,l=this.currentPageInfo,h=t.width,d=t.height,p=l.width+7>>3,m=l.combinationOperatorOverride?t.combinationOperator:l.combinationOperator,g=this.buffer,y=128>>(7&t.x),b=t.y*p+(t.x>>3);switch(m){case 0:for(a=0;a<d;a++){o=y;c=b;for(i=0;i<h;i++){r[a][i]&&(g[c]|=o);if(!(o>>=1)){o=128;c++}}b+=p}break;case 2:for(a=0;a<d;a++){o=y;c=b;for(i=0;i<h;i++){r[a][i]&&(g[c]^=o);if(!(o>>=1)){o=128;c++}}b+=p}break;default:throw new u("operator ".concat(m," is not supported"))}},onImmediateGenericRegion:function SimpleSegmentVisitor_onImmediateGenericRegion(t,r,a,i){var o=t.info,c=new DecodingContext(r,a,i),l=decodeBitmap(t.mmr,o.width,o.height,t.template,t.prediction,null,t.at,c);this.drawBitmap(o,l)},onImmediateLosslessGenericRegion:function SimpleSegmentVisitor_onImmediateLosslessGenericRegion(){this.onImmediateGenericRegion.apply(this,arguments)},onSymbolDictionary:function SimpleSegmentVisitor_onSymbolDictionary(t,r,a,i,c,l){var h,d;if(t.huffman){h=function getSymbolDictionaryHuffmanTables(t,r,a){var i,o,c,l,h=0;switch(t.huffmanDHSelector){case 0:case 1:i=getStandardTable(t.huffmanDHSelector+4);break;case 3:i=getCustomHuffmanTable(h,r,a);h++;break;default:throw new u("invalid Huffman DH selector")}switch(t.huffmanDWSelector){case 0:case 1:o=getStandardTable(t.huffmanDWSelector+2);break;case 3:o=getCustomHuffmanTable(h,r,a);h++;break;default:throw new u("invalid Huffman DW selector")}if(t.bitmapSizeSelector){c=getCustomHuffmanTable(h,r,a);h++}else c=getStandardTable(1);l=t.aggregationInstancesSelector?getCustomHuffmanTable(h,r,a):getStandardTable(1);return{tableDeltaHeight:i,tableDeltaWidth:o,tableBitmapSize:c,tableAggregateInstances:l}}(t,a,this.customTables);d=new Reader(i,c,l)}var p=this.symbols;p||(this.symbols=p={});for(var m=[],g=0,y=a.length;g<y;g++){var b=p[a[g]];b&&(m=m.concat(b))}var v=new DecodingContext(i,c,l);p[r]=function decodeSymbolDictionary(t,r,a,i,c,l,h,d,p,m,g,y){if(t&&r)throw new u("symbol refinement with Huffman is not supported");var b,v,S=[],k=0,w=(0,o.log2)(a.length+i),C=g.decoder,_=g.contextCache;if(t){b=getStandardTable(1);v=[];w=Math.max(w,1)}for(;S.length<i;){k+=t?l.tableDeltaHeight.decode(y):decodeInteger(_,"IADH",C);for(var x=0,A=0,T=t?v.length:0;;){var R,I=t?l.tableDeltaWidth.decode(y):decodeInteger(_,"IADW",C);if(null===I)break;A+=x+=I;if(r){var P=decodeInteger(_,"IAAI",C);if(P>1)R=decodeTextRegion(t,r,x,k,0,P,1,a.concat(S),w,0,0,1,0,l,p,m,g,0,y);else{var O=decodeIAID(_,C,w),E=decodeInteger(_,"IARDX",C),B=decodeInteger(_,"IARDY",C);R=decodeRefinement(x,k,p,O<a.length?a[O]:S[O-a.length],E,B,!1,m,g)}S.push(R)}else if(t)v.push(x);else{R=decodeBitmap(!1,x,k,h,!1,null,d,g);S.push(R)}}if(t&&!r){var D=l.tableBitmapSize.decode(y);y.byteAlign();var M=void 0;if(0===D)M=readUncompressedBitmap(y,A,k);else{var L=y.end,N=y.position+D;y.end=N;M=decodeMMRBitmap(y,A,k,!1);y.end=L;y.position=N}var U=v.length;if(T===U-1)S.push(M);else{var j=void 0,q=void 0,W=0,z=void 0,G=void 0;for(j=T;j<U;j++){z=W+v[j];G=[];for(q=0;q<k;q++)G.push(M[q].subarray(W,z));S.push(G);W=z}}}}for(var H=[],V=[],X=!1,Y=a.length+i;V.length<Y;){for(var K=t?b.decode(y):decodeInteger(_,"IAEX",C);K--;)V.push(X);X=!X}for(var J=0,Z=a.length;J<Z;J++)V[J]&&H.push(a[J]);for(var Q=0;Q<i;J++,Q++)V[J]&&H.push(S[Q]);return H}(t.huffman,t.refinement,m,t.numberOfNewSymbols,t.numberOfExportedSymbols,h,t.template,t.at,t.refinementTemplate,t.refinementAt,v,d)},onImmediateTextRegion:function SimpleSegmentVisitor_onImmediateTextRegion(t,r,a,i,c){for(var l,h,d=t.info,p=this.symbols,m=[],g=0,y=r.length;g<y;g++){var b=p[r[g]];b&&(m=m.concat(b))}var v=(0,o.log2)(m.length);if(t.huffman){h=new Reader(a,i,c);l=function getTextRegionHuffmanTables(t,r,a,i,o){for(var c=[],l=0;l<=34;l++){var h=o.readBits(4);c.push(new HuffmanLine([l,h,0,0]))}var d=new HuffmanTable(c,!1);c.length=0;for(var p=0;p<i;){var m=d.decode(o);if(m>=32){var g=void 0,y=void 0,b=void 0;switch(m){case 32:if(0===p)throw new u("no previous value in symbol ID table");y=o.readBits(2)+3;g=c[p-1].prefixLength;break;case 33:y=o.readBits(3)+3;g=0;break;case 34:y=o.readBits(7)+11;g=0;break;default:throw new u("invalid code length in symbol ID table")}for(b=0;b<y;b++){c.push(new HuffmanLine([p,g,0,0]));p++}}else{c.push(new HuffmanLine([p,m,0,0]));p++}}o.byteAlign();var v,S,k,w=new HuffmanTable(c,!1),C=0;switch(t.huffmanFS){case 0:case 1:v=getStandardTable(t.huffmanFS+6);break;case 3:v=getCustomHuffmanTable(C,r,a);C++;break;default:throw new u("invalid Huffman FS selector")}switch(t.huffmanDS){case 0:case 1:case 2:S=getStandardTable(t.huffmanDS+8);break;case 3:S=getCustomHuffmanTable(C,r,a);C++;break;default:throw new u("invalid Huffman DS selector")}switch(t.huffmanDT){case 0:case 1:case 2:k=getStandardTable(t.huffmanDT+11);break;case 3:k=getCustomHuffmanTable(C,r,a);C++;break;default:throw new u("invalid Huffman DT selector")}if(t.refinement)throw new u("refinement with Huffman is not supported");return{symbolIDTable:w,tableFirstS:v,tableDeltaS:S,tableDeltaT:k}}(t,r,this.customTables,m.length,h)}var S=new DecodingContext(a,i,c),k=decodeTextRegion(t.huffman,t.refinement,d.width,d.height,t.defaultPixelValue,t.numberOfSymbolInstances,t.stripSize,m,v,t.transposed,t.dsOffset,t.referenceCorner,t.combinationOperator,l,t.refinementTemplate,t.refinementAt,S,t.logStripSize,h);this.drawBitmap(d,k)},onImmediateLosslessTextRegion:function SimpleSegmentVisitor_onImmediateLosslessTextRegion(){this.onImmediateTextRegion.apply(this,arguments)},onPatternDictionary:function onPatternDictionary(t,r,a,i,o){var c=this.patterns;c||(this.patterns=c={});var l=new DecodingContext(a,i,o);c[r]=function decodePatternDictionary(t,r,a,i,o,c){var l=[];if(!t){l.push({x:-r,y:0});if(0===o){l.push({x:-3,y:-1});l.push({x:2,y:-2});l.push({x:-2,y:-2})}}for(var u=decodeBitmap(t,(i+1)*r,a,o,!1,null,l,c),h=[],d=0;d<=i;d++){for(var p=[],m=r*d,g=m+r,y=0;y<a;y++)p.push(u[y].subarray(m,g));h.push(p)}return h}(t.mmr,t.patternWidth,t.patternHeight,t.maxPatternIndex,t.template,l)},onImmediateHalftoneRegion:function onImmediateHalftoneRegion(t,r,a,i,c){var l=this.patterns[r[0]],h=t.info,d=new DecodingContext(a,i,c),p=function decodeHalftoneRegion(t,r,a,i,c,l,h,d,p,m,g,y,b,v,S){if(h)throw new u("skip is not supported");if(0!==d)throw new u("operator "+d+" is not supported in halftone region");var k,w,C,_=[];for(k=0;k<c;k++){C=new Uint8Array(i);if(l)for(w=0;w<i;w++)C[w]=l;_.push(C)}var x=r.length,A=r[0],T=A[0].length,R=A.length,I=(0,o.log2)(x),P=[];if(!t){P.push({x:a<=1?3:2,y:-1});if(0===a){P.push({x:-3,y:-1});P.push({x:2,y:-2});P.push({x:-2,y:-2})}}var O,E,B,D,M,L,N,U,j,q,W,z=[];t&&(O=new Reader(S.data,S.start,S.end));for(k=I-1;k>=0;k--){E=t?decodeMMRBitmap(O,p,m,!0):decodeBitmap(!1,p,m,a,!1,null,P,S);z[k]=E}for(B=0;B<m;B++)for(D=0;D<p;D++){M=0;L=0;for(w=I-1;w>=0;w--)L|=(M=z[w][B][D]^M)<<w;N=r[L];j=y+B*b-D*v>>8;if((U=g+B*v+D*b>>8)>=0&&U+T<=i&&j>=0&&j+R<=c)for(k=0;k<R;k++){W=_[j+k];q=N[k];for(w=0;w<T;w++)W[U+w]|=q[w]}else{var G=void 0,H=void 0;for(k=0;k<R;k++)if(!((H=j+k)<0||H>=c)){W=_[H];q=N[k];for(w=0;w<T;w++)(G=U+w)>=0&&G<i&&(W[G]|=q[w])}}}return _}(t.mmr,l,t.template,h.width,h.height,t.defaultPixelValue,t.enableSkip,t.combinationOperator,t.gridWidth,t.gridHeight,t.gridOffsetX,t.gridOffsetY,t.gridVectorX,t.gridVectorY,d);this.drawBitmap(h,p)},onImmediateLosslessHalftoneRegion:function onImmediateLosslessHalftoneRegion(){this.onImmediateHalftoneRegion.apply(this,arguments)},onTables:function onTables(t,r,a,i){var c=this.customTables;c||(this.customTables=c={});c[t]=function decodeTablesSegment(t,r,a){var i,c,l=t[r],u=4294967295&(0,o.readUint32)(t,r+1),h=4294967295&(0,o.readUint32)(t,r+5),d=new Reader(t,r+9,a),p=1+(l>>1&7),m=1+(l>>4&7),g=[],y=u;do{i=d.readBits(p);c=d.readBits(m);g.push(new HuffmanLine([y,i,c,0]));y+=1<<c}while(y<h);i=d.readBits(p);g.push(new HuffmanLine([u-1,i,32,0,"lower"]));i=d.readBits(p);g.push(new HuffmanLine([h,i,32,0]));if(1&l){i=d.readBits(p);g.push(new HuffmanLine([i,0]))}return new HuffmanTable(g,!1)}(r,a,i)}};function HuffmanLine(t){if(2===t.length){this.isOOB=!0;this.rangeLow=0;this.prefixLength=t[0];this.rangeLength=0;this.prefixCode=t[1];this.isLowerRange=!1}else{this.isOOB=!1;this.rangeLow=t[0];this.prefixLength=t[1];this.rangeLength=t[2];this.prefixCode=t[3];this.isLowerRange="lower"===t[4]}}function HuffmanTreeNode(t){this.children=[];if(t){this.isLeaf=!0;this.rangeLength=t.rangeLength;this.rangeLow=t.rangeLow;this.isLowerRange=t.isLowerRange;this.isOOB=t.isOOB}else this.isLeaf=!1}HuffmanTreeNode.prototype={buildTree:function buildTree(t,r){var a=t.prefixCode>>r&1;if(r<=0)this.children[a]=new HuffmanTreeNode(t);else{var i=this.children[a];i||(this.children[a]=i=new HuffmanTreeNode(null));i.buildTree(t,r-1)}},decodeNode:function decodeNode(t){if(this.isLeaf){if(this.isOOB)return null;var r=t.readBits(this.rangeLength);return this.rangeLow+(this.isLowerRange?-r:r)}var a=this.children[t.readBit()];if(!a)throw new u("invalid Huffman data");return a.decodeNode(t)}};function HuffmanTable(t,r){r||this.assignPrefixCodes(t);this.rootNode=new HuffmanTreeNode(null);for(var a=0,i=t.length;a<i;a++){var o=t[a];o.prefixLength>0&&this.rootNode.buildTree(o,o.prefixLength-1)}}HuffmanTable.prototype={decode:function decode(t){return this.rootNode.decodeNode(t)},assignPrefixCodes:function assignPrefixCodes(t){for(var r=t.length,a=0,i=0;i<r;i++)a=Math.max(a,t[i].prefixLength);for(var o=new Uint32Array(a+1),c=0;c<r;c++)o[t[c].prefixLength]++;var l,u,h,d=1,p=0;o[0]=0;for(;d<=a;){l=p=p+o[d-1]<<1;u=0;for(;u<r;){if((h=t[u]).prefixLength===d){h.prefixCode=l;l++}u++}d++}}};var m={};function getStandardTable(t){var r,a=m[t];if(a)return a;switch(t){case 1:r=[[0,1,4,0],[16,2,8,2],[272,3,16,6],[65808,3,32,7]];break;case 2:r=[[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[75,6,32,62],[6,63]];break;case 3:r=[[-256,8,8,254],[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[-257,8,32,255,"lower"],[75,7,32,126],[6,62]];break;case 4:r=[[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[76,5,32,31]];break;case 5:r=[[-255,7,8,126],[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[-256,7,32,127,"lower"],[76,6,32,62]];break;case 6:r=[[-2048,5,10,28],[-1024,4,9,8],[-512,4,8,9],[-256,4,7,10],[-128,5,6,29],[-64,5,5,30],[-32,4,5,11],[0,2,7,0],[128,3,7,2],[256,3,8,3],[512,4,9,12],[1024,4,10,13],[-2049,6,32,62,"lower"],[2048,6,32,63]];break;case 7:r=[[-1024,4,9,8],[-512,3,8,0],[-256,4,7,9],[-128,5,6,26],[-64,5,5,27],[-32,4,5,10],[0,4,5,11],[32,5,5,28],[64,5,6,29],[128,4,7,12],[256,3,8,1],[512,3,9,2],[1024,3,10,3],[-1025,5,32,30,"lower"],[2048,5,32,31]];break;case 8:r=[[-15,8,3,252],[-7,9,1,508],[-5,8,1,253],[-3,9,0,509],[-2,7,0,124],[-1,4,0,10],[0,2,1,0],[2,5,0,26],[3,6,0,58],[4,3,4,4],[20,6,1,59],[22,4,4,11],[38,4,5,12],[70,5,6,27],[134,5,7,28],[262,6,7,60],[390,7,8,125],[646,6,10,61],[-16,9,32,510,"lower"],[1670,9,32,511],[2,1]];break;case 9:r=[[-31,8,4,252],[-15,9,2,508],[-11,8,2,253],[-7,9,1,509],[-5,7,1,124],[-3,4,1,10],[-1,3,1,2],[1,3,1,3],[3,5,1,26],[5,6,1,58],[7,3,5,4],[39,6,2,59],[43,4,5,11],[75,4,6,12],[139,5,7,27],[267,5,8,28],[523,6,8,60],[779,7,9,125],[1291,6,11,61],[-32,9,32,510,"lower"],[3339,9,32,511],[2,0]];break;case 10:r=[[-21,7,4,122],[-5,8,0,252],[-4,7,0,123],[-3,5,0,24],[-2,2,2,0],[2,5,0,25],[3,6,0,54],[4,7,0,124],[5,8,0,253],[6,2,6,1],[70,5,5,26],[102,6,5,55],[134,6,6,56],[198,6,7,57],[326,6,8,58],[582,6,9,59],[1094,6,10,60],[2118,7,11,125],[-22,8,32,254,"lower"],[4166,8,32,255],[2,2]];break;case 11:r=[[1,1,0,0],[2,2,1,2],[4,4,0,12],[5,4,1,13],[7,5,1,28],[9,5,2,29],[13,6,2,60],[17,7,2,122],[21,7,3,123],[29,7,4,124],[45,7,5,125],[77,7,6,126],[141,7,32,127]];break;case 12:r=[[1,1,0,0],[2,2,0,2],[3,3,1,6],[5,5,0,28],[6,5,1,29],[8,6,1,60],[10,7,0,122],[11,7,1,123],[13,7,2,124],[17,7,3,125],[25,7,4,126],[41,8,5,254],[73,8,32,255]];break;case 13:r=[[1,1,0,0],[2,3,0,4],[3,4,0,12],[4,5,0,28],[5,4,1,13],[7,3,3,5],[15,6,1,58],[17,6,2,59],[21,6,3,60],[29,6,4,61],[45,6,5,62],[77,7,6,126],[141,7,32,127]];break;case 14:r=[[-2,3,0,4],[-1,3,0,5],[0,1,0,0],[1,3,0,6],[2,3,0,7]];break;case 15:r=[[-24,7,4,124],[-8,6,2,60],[-4,5,1,28],[-2,4,0,12],[-1,3,0,4],[0,1,0,0],[1,3,0,5],[2,4,0,13],[3,5,1,29],[5,6,2,61],[9,7,4,125],[-25,7,32,126,"lower"],[25,7,32,127]];break;default:throw new u("standard table B.".concat(t," does not exist"))}for(var i=0,o=r.length;i<o;i++)r[i]=new HuffmanLine(r[i]);a=new HuffmanTable(r,!0);m[t]=a;return a}function Reader(t,r,a){this.data=t;this.start=r;this.end=a;this.position=r;this.shift=-1;this.currentByte=0}Reader.prototype={readBit:function readBit(){if(this.shift<0){if(this.position>=this.end)throw new u("end of data while reading bit");this.currentByte=this.data[this.position++];this.shift=7}var t=this.currentByte>>this.shift&1;this.shift--;return t},readBits:function readBits(t){var r,a=0;for(r=t-1;r>=0;r--)a|=this.readBit()<<r;return a},byteAlign:function byteAlign(){this.shift=-1},next:function next(){return this.position>=this.end?-1:this.data[this.position++]}};function getCustomHuffmanTable(t,r,a){for(var i=0,o=0,c=r.length;o<c;o++){var l=a[r[o]];if(l){if(t===i)return l;i++}}throw new u("can't find custom Huffman table")}function readUncompressedBitmap(t,r,a){for(var i=[],o=0;o<a;o++){var c=new Uint8Array(r);i.push(c);for(var l=0;l<r;l++)c[l]=t.readBit();t.byteAlign()}return i}function decodeMMRBitmap(t,r,a,i){for(var o,c={K:-1,Columns:r,Rows:a,BlackIs1:!0,EndOfBlock:i},u=new l.CCITTFaxDecoder(t,c),h=[],d=!1,p=0;p<a;p++){var m=new Uint8Array(r);h.push(m);for(var g=-1,y=0;y<r;y++){if(g<0){if(-1===(o=u.readNextChar())){o=0;d=!0}g=7}m[y]=o>>g&1;g--}}if(i&&!d)for(var b=0;b<5&&-1!==u.readNextChar();b++);return h}function Jbig2Image(){}Jbig2Image.prototype={parseChunks:function parseChunks(t){return function parseJbig2Chunks(t){for(var r=new SimpleSegmentVisitor,a=0,i=t.length;a<i;a++){var o=t[a];processSegments(readSegments({},o.data,o.start,o.end),r)}return r.buffer}(t)},parse:function parse(t){var r=function parseJbig2(t){var r=t.length,a=0;if(151!==t[a]||74!==t[a+1]||66!==t[a+2]||50!==t[a+3]||13!==t[a+4]||10!==t[a+5]||26!==t[a+6]||10!==t[a+7])throw new u("parseJbig2 - invalid header.");var i=Object.create(null);a+=8;var c=t[a++];i.randomAccess=!(1&c);if(!(2&c)){i.numberOfPages=(0,o.readUint32)(t,a);a+=4}var l=readSegments(i,t,a,r),h=new SimpleSegmentVisitor;processSegments(l,h);for(var d=h.currentPageInfo,p=d.width,m=d.height,g=h.buffer,y=new Uint8ClampedArray(p*m),b=0,v=0,S=0;S<m;S++)for(var k=0,w=void 0,C=0;C<p;C++){if(!k){k=128;w=g[v++]}y[b++]=w&k?0:255;k>>=1}return{imgData:y,width:p,height:m}}(t),a=r.imgData,i=r.width,c=r.height;this.width=i;this.height=c;return a}};return Jbig2Image}();r.Jbig2Image=h},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.ArithmeticDecoder=void 0;function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}var i=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}],o=function(){function ArithmeticDecoder(t,r,a){!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,ArithmeticDecoder);this.data=t;this.bp=r;this.dataEnd=a;this.chigh=t[r];this.clow=0;this.byteIn();this.chigh=this.chigh<<7&65535|this.clow>>9&127;this.clow=this.clow<<7&65535;this.ct-=7;this.a=32768}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(ArithmeticDecoder,[{key:"byteIn",value:function byteIn(){var t=this.data,r=this.bp;if(255===t[r])if(t[r+1]>143){this.clow+=65280;this.ct=8}else{r++;this.clow+=t[r]<<9;this.ct=7;this.bp=r}else{r++;this.clow+=r<this.dataEnd?t[r]<<8:65280;this.ct=8;this.bp=r}if(this.clow>65535){this.chigh+=this.clow>>16;this.clow&=65535}}},{key:"readBit",value:function readBit(t,r){var a,o=t[r]>>1,c=1&t[r],l=i[o],u=l.qe,h=this.a-u;if(this.chigh<u)if(h<u){h=u;a=c;o=l.nmps}else{h=u;a=1^c;1===l.switchFlag&&(c=a);o=l.nlps}else{this.chigh-=u;if(0!=(32768&h)){this.a=h;return c}if(h<u){a=1^c;1===l.switchFlag&&(c=a);o=l.nlps}else{a=c;o=l.nmps}}do{0===this.ct&&this.byteIn();h<<=1;this.chigh=this.chigh<<1&65535|this.clow>>15&1;this.clow=this.clow<<1&65535;this.ct--}while(0==(32768&h));this.a=h;t[r]=o<<1|c;return a}}]);return ArithmeticDecoder}();r.ArithmeticDecoder=o},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.JpegStream=void 0;var i=a(209),o=a(202),c=a(216),l=a(5),u=function JpegStreamClosure(){function JpegStream(t,r,a,o){for(var c;-1!==(c=t.getByte());)if(255===c){t.skip(-1);break}this.stream=t;this.maybeLength=r;this.dict=a;this.params=o;i.DecodeStream.call(this,r)}JpegStream.prototype=Object.create(i.DecodeStream.prototype);Object.defineProperty(JpegStream.prototype,"bytes",{get:function JpegStream_bytes(){return(0,l.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});JpegStream.prototype.ensureBuffer=function(t){};JpegStream.prototype.readBlock=function(){if(!this.eof){var t={decodeTransform:void 0,colorTransform:void 0},r=this.dict.getArray("Decode","D");if(this.forceRGB&&Array.isArray(r)){for(var a=this.dict.get("BitsPerComponent")||8,i=r.length,l=new Int32Array(i),u=!1,h=(1<<a)-1,d=0;d<i;d+=2){l[d]=256*(r[d+1]-r[d])|0;l[d+1]=r[d]*h|0;256===l[d]&&0===l[d+1]||(u=!0)}u&&(t.decodeTransform=l)}if((0,o.isDict)(this.params)){var p=this.params.get("ColorTransform");Number.isInteger(p)&&(t.colorTransform=p)}var m=new c.JpegImage(t);m.parse(this.bytes);var g=m.getData({width:this.drawWidth,height:this.drawHeight,forceRGB:this.forceRGB,isSourcePDF:!0});this.buffer=g;this.bufferLength=g.length;this.eof=!0}};return JpegStream}();r.JpegStream=u},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.JpegImage=void 0;var i=a(5),o=a(205);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var c=function(t){_inherits(JpegError,t);var r=_createSuper(JpegError);function JpegError(t){_classCallCheck(this,JpegError);return r.call(this,"JPEG error: ".concat(t))}return JpegError}(i.BaseException),l=function(t){_inherits(DNLMarkerError,t);var r=_createSuper(DNLMarkerError);function DNLMarkerError(t,a){var i;_classCallCheck(this,DNLMarkerError);(i=r.call(this,t)).scanLines=a;return i}return DNLMarkerError}(i.BaseException),u=function(t){_inherits(EOIMarkerError,t);var r=_createSuper(EOIMarkerError);function EOIMarkerError(){_classCallCheck(this,EOIMarkerError);return r.apply(this,arguments)}return EOIMarkerError}(i.BaseException),h=function JpegImageClosure(){var t=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]);function JpegImage(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.decodeTransform,a=void 0===r?null:r,i=t.colorTransform,o=void 0===i?-1:i;this._decodeTransform=a;this._colorTransform=o}function buildHuffmanTable(t,r){for(var a,i,o=0,c=[],l=16;l>0&&!t[l-1];)l--;c.push({children:[],index:0});var u,h=c[0];for(a=0;a<l;a++){for(i=0;i<t[a];i++){(h=c.pop()).children[h.index]=r[o];for(;h.index>0;)h=c.pop();h.index++;c.push(h);for(;c.length<=a;){c.push(u={children:[],index:0});h.children[h.index]=u.children;h=u}o++}if(a+1<l){c.push(u={children:[],index:0});h.children[h.index]=u.children;h=u}}return c[0].children}function getBlockBufferOffset(t,r,a){return 64*((t.blocksPerLine+1)*r+a)}function decodeScan(r,a,h,d,p,m,g,y,b){var v=arguments.length>9&&void 0!==arguments[9]&&arguments[9],S=h.mcusPerLine,k=h.progressive,w=a,C=0,_=0;function readBit(){if(_>0){_--;return C>>_&1}if(255===(C=r[a++])){var t=r[a++];if(t){if(220===t&&v){a+=2;var i=(0,o.readUint16)(r,a);a+=2;if(i>0&&i!==h.scanLines)throw new l("Found DNL marker (0xFFDC) while parsing scan data",i)}else if(217===t){if(v){var d=R*(8===h.precision?8:0);if(d>0&&Math.round(h.scanLines/d)>=10)throw new l("Found EOI marker (0xFFD9) while parsing scan data, possibly caused by incorrect `scanLines` parameter",d)}throw new u("Found EOI marker (0xFFD9) while parsing scan data")}throw new c("unexpected marker ".concat((C<<8|t).toString(16)))}}_=7;return C>>>7}function decodeHuffman(t){for(var r=t;;){switch(_typeof(r=r[readBit()])){case"number":return r;case"object":continue}throw new c("invalid huffman sequence")}}function receive(t){for(var r=0;t>0;){r=r<<1|readBit();t--}return r}function receiveAndExtend(t){if(1===t)return 1===readBit()?1:-1;var r=receive(t);return r>=1<<t-1?r:r+(-1<<t)+1}function decodeBaseline(r,a){var i=decodeHuffman(r.huffmanTableDC),o=0===i?0:receiveAndExtend(i);r.blockData[a]=r.pred+=o;for(var c=1;c<64;){var l=decodeHuffman(r.huffmanTableAC),u=15&l,h=l>>4;if(0!==u){var d=t[c+=h];r.blockData[a+d]=receiveAndExtend(u);c++}else{if(h<15)break;c+=16}}}function decodeDCFirst(t,r){var a=decodeHuffman(t.huffmanTableDC),i=0===a?0:receiveAndExtend(a)<<b;t.blockData[r]=t.pred+=i}function decodeDCSuccessive(t,r){t.blockData[r]|=readBit()<<b}var x=0;function decodeACFirst(r,a){if(x>0)x--;else for(var i=m,o=g;i<=o;){var c=decodeHuffman(r.huffmanTableAC),l=15&c,u=c>>4;if(0!==l){var h=t[i+=u];r.blockData[a+h]=receiveAndExtend(l)*(1<<b);i++}else{if(u<15){x=receive(u)+(1<<u)-1;break}i+=16}}}var A,T=0;function decodeACSuccessive(r,a){for(var i,o,l=m,u=g,h=0;l<=u;){var d=a+t[l],p=r.blockData[d]<0?-1:1;switch(T){case 0:h=(o=decodeHuffman(r.huffmanTableAC))>>4;if(0===(i=15&o))if(h<15){x=receive(h)+(1<<h);T=4}else{h=16;T=1}else{if(1!==i)throw new c("invalid ACn encoding");A=receiveAndExtend(i);T=h?2:3}continue;case 1:case 2:r.blockData[d]?r.blockData[d]+=p*(readBit()<<b):0===--h&&(T=2===T?3:0);break;case 3:if(r.blockData[d])r.blockData[d]+=p*(readBit()<<b);else{r.blockData[d]=A<<b;T=0}break;case 4:r.blockData[d]&&(r.blockData[d]+=p*(readBit()<<b))}l++}4===T&&0===--x&&(T=0)}var R=0;function decodeMcu(t,r,a,i,o){var c=a%S;R=(a/S|0)*t.v+i;var l=c*t.h+o;r(t,getBlockBufferOffset(t,R,l))}function decodeBlock(t,r,a){R=a/t.blocksPerLine|0;var i=a%t.blocksPerLine;r(t,getBlockBufferOffset(t,R,i))}var I,P,O,E,B,D,M=d.length;D=k?0===m?0===y?decodeDCFirst:decodeDCSuccessive:0===y?decodeACFirst:decodeACSuccessive:decodeBaseline;var L,N,U,j,q=0;N=1===M?d[0].blocksPerLine*d[0].blocksPerColumn:S*h.mcusPerColumn;for(;q<=N;){var W=p?Math.min(N-q,p):N;if(W>0){for(P=0;P<M;P++)d[P].pred=0;x=0;if(1===M){I=d[0];for(B=0;B<W;B++){decodeBlock(I,D,q);q++}}else for(B=0;B<W;B++){for(P=0;P<M;P++){U=(I=d[P]).h;j=I.v;for(O=0;O<j;O++)for(E=0;E<U;E++)decodeMcu(I,D,q,O,E)}q++}}_=0;if(!(L=findNextFileMarker(r,a)))break;if(L.invalid){var z=W>0?"unexpected":"excessive";(0,i.warn)("decodeScan - ".concat(z," MCU data, current marker is: ").concat(L.invalid));a=L.offset}if(!(L.marker>=65488&&L.marker<=65495))break;a+=2}return a-w}function quantizeAndInverse(t,r,a){var i,o,l,u,h,d,p,m,g,y,b,v,S,k,w,C,_,x=t.quantizationTable,A=t.blockData;if(!x)throw new c("missing required Quantization Table.");for(var T=0;T<64;T+=8){g=A[r+T];y=A[r+T+1];b=A[r+T+2];v=A[r+T+3];S=A[r+T+4];k=A[r+T+5];w=A[r+T+6];C=A[r+T+7];g*=x[T];if(0!=(y|b|v|S|k|w|C)){y*=x[T+1];b*=x[T+2];v*=x[T+3];S*=x[T+4];k*=x[T+5];o=(i=(i=5793*g+128>>8)+(o=5793*S+128>>8)+1>>1)-o;_=3784*(l=b)+1567*(u=w*=x[T+6])+128>>8;l=1567*l-3784*u+128>>8;p=(h=(h=2896*(y-(C*=x[T+7]))+128>>8)+(p=k<<4)+1>>1)-p;d=(m=(m=2896*(y+C)+128>>8)+(d=v<<4)+1>>1)-d;u=(i=i+(u=_)+1>>1)-u;l=(o=o+l+1>>1)-l;_=2276*h+3406*m+2048>>12;h=3406*h-2276*m+2048>>12;m=_;_=799*d+4017*p+2048>>12;d=4017*d-799*p+2048>>12;p=_;a[T]=i+m;a[T+7]=i-m;a[T+1]=o+p;a[T+6]=o-p;a[T+2]=l+d;a[T+5]=l-d;a[T+3]=u+h;a[T+4]=u-h}else{_=5793*g+512>>10;a[T]=_;a[T+1]=_;a[T+2]=_;a[T+3]=_;a[T+4]=_;a[T+5]=_;a[T+6]=_;a[T+7]=_}}for(var R=0;R<8;++R){g=a[R];if(0!=((y=a[R+8])|(b=a[R+16])|(v=a[R+24])|(S=a[R+32])|(k=a[R+40])|(w=a[R+48])|(C=a[R+56]))){o=(i=4112+((i=5793*g+2048>>12)+(o=5793*S+2048>>12)+1>>1))-o;_=3784*(l=b)+1567*(u=w)+2048>>12;l=1567*l-3784*u+2048>>12;u=_;p=(h=(h=2896*(y-C)+2048>>12)+(p=k)+1>>1)-p;d=(m=(m=2896*(y+C)+2048>>12)+(d=v)+1>>1)-d;_=2276*h+3406*m+2048>>12;h=3406*h-2276*m+2048>>12;m=_;_=799*d+4017*p+2048>>12;d=4017*d-799*p+2048>>12;(g=(i=i+u+1>>1)+m)<16?g=0:g>=4080?g=255:g>>=4;(y=(o=o+l+1>>1)+(p=_))<16?y=0:y>=4080?y=255:y>>=4;(b=(l=o-l)+d)<16?b=0:b>=4080?b=255:b>>=4;(v=(u=i-u)+h)<16?v=0:v>=4080?v=255:v>>=4;(S=u-h)<16?S=0:S>=4080?S=255:S>>=4;(k=l-d)<16?k=0:k>=4080?k=255:k>>=4;(w=o-p)<16?w=0:w>=4080?w=255:w>>=4;(C=i-m)<16?C=0:C>=4080?C=255:C>>=4;A[r+R]=g;A[r+R+8]=y;A[r+R+16]=b;A[r+R+24]=v;A[r+R+32]=S;A[r+R+40]=k;A[r+R+48]=w;A[r+R+56]=C}else{_=(_=5793*g+8192>>14)<-2040?0:_>=2024?255:_+2056>>4;A[r+R]=_;A[r+R+8]=_;A[r+R+16]=_;A[r+R+24]=_;A[r+R+32]=_;A[r+R+40]=_;A[r+R+48]=_;A[r+R+56]=_}}}function buildComponentData(t,r){for(var a=r.blocksPerLine,i=r.blocksPerColumn,o=new Int16Array(64),c=0;c<i;c++)for(var l=0;l<a;l++){quantizeAndInverse(r,getBlockBufferOffset(r,c,l),o)}return r.blockData}function findNextFileMarker(t,r){var a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:r,i=t.length-1,c=a<r?a:r;if(r>=i)return null;var l=(0,o.readUint16)(t,r);if(l>=65472&&l<=65534)return{invalid:null,marker:l,offset:r};for(var u=(0,o.readUint16)(t,c);!(u>=65472&&u<=65534);){if(++c>=i)return null;u=(0,o.readUint16)(t,c)}return{invalid:l.toString(16),marker:u,offset:c}}JpegImage.prototype={parse:function parse(r){var a=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},h=a.dnlScanLines,d=void 0===h?null:h;function readDataBlock(){var t=(0,o.readUint16)(r,g),a=(g+=2)+t-2,c=findNextFileMarker(r,a,g);if(c&&c.invalid){(0,i.warn)("readDataBlock - incorrect length, current marker is: "+c.invalid);a=c.offset}var l=r.subarray(g,a);g+=l.length;return l}function prepareComponents(t){for(var r=Math.ceil(t.samplesPerLine/8/t.maxH),a=Math.ceil(t.scanLines/8/t.maxV),i=0;i<t.components.length;i++){X=t.components[i];var o=Math.ceil(Math.ceil(t.samplesPerLine/8)*X.h/t.maxH),c=Math.ceil(Math.ceil(t.scanLines/8)*X.v/t.maxV),l=r*X.h,u=64*(a*X.v)*(l+1);X.blockData=new Int16Array(u);X.blocksPerLine=o;X.blocksPerColumn=c}t.mcusPerLine=r;t.mcusPerColumn=a}var p,m,g=0,y=null,b=null,v=0,S=[],k=[],w=[],C=(0,o.readUint16)(r,g);g+=2;if(65496!==C)throw new c("SOI not found");C=(0,o.readUint16)(r,g);g+=2;e:for(;65497!==C;){var _,x,A;switch(C){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var T=readDataBlock();65504===C&&74===T[0]&&70===T[1]&&73===T[2]&&70===T[3]&&0===T[4]&&(y={version:{major:T[5],minor:T[6]},densityUnits:T[7],xDensity:T[8]<<8|T[9],yDensity:T[10]<<8|T[11],thumbWidth:T[12],thumbHeight:T[13],thumbData:T.subarray(14,14+3*T[12]*T[13])});65518===C&&65===T[0]&&100===T[1]&&111===T[2]&&98===T[3]&&101===T[4]&&(b={version:T[5]<<8|T[6],flags0:T[7]<<8|T[8],flags1:T[9]<<8|T[10],transformCode:T[11]});break;case 65499:for(var R=(0,o.readUint16)(r,g),I=R+(g+=2)-2;g<I;){var P=r[g++],O=new Uint16Array(64);if(P>>4==0)for(x=0;x<64;x++)O[t[x]]=r[g++];else{if(P>>4!=1)throw new c("DQT - invalid table spec");for(x=0;x<64;x++){O[t[x]]=(0,o.readUint16)(r,g);g+=2}}S[15&P]=O}break;case 65472:case 65473:case 65474:if(p)throw new c("Only single frame JPEGs supported");g+=2;(p={}).extended=65473===C;p.progressive=65474===C;p.precision=r[g++];var E=(0,o.readUint16)(r,g);g+=2;p.scanLines=d||E;p.samplesPerLine=(0,o.readUint16)(r,g);g+=2;p.components=[];p.componentIds={};var B,D=r[g++],M=0,L=0;for(_=0;_<D;_++){B=r[g];var N=r[g+1]>>4,U=15&r[g+1];M<N&&(M=N);L<U&&(L=U);var j=r[g+2];A=p.components.push({h:N,v:U,quantizationId:j,quantizationTable:null});p.componentIds[B]=A-1;g+=3}p.maxH=M;p.maxV=L;prepareComponents(p);break;case 65476:var q=(0,o.readUint16)(r,g);g+=2;for(_=2;_<q;){var W=r[g++],z=new Uint8Array(16),G=0;for(x=0;x<16;x++,g++)G+=z[x]=r[g];var H=new Uint8Array(G);for(x=0;x<G;x++,g++)H[x]=r[g];_+=17+G;(W>>4==0?w:k)[15&W]=buildHuffmanTable(z,H)}break;case 65501:g+=2;m=(0,o.readUint16)(r,g);g+=2;break;case 65498:var V=1==++v&&!d;g+=2;var X,Y=r[g++],K=[];for(_=0;_<Y;_++){var J=r[g++],Z=p.componentIds[J];(X=p.components[Z]).index=J;var Q=r[g++];X.huffmanTableDC=w[Q>>4];X.huffmanTableAC=k[15&Q];K.push(X)}var $=r[g++],ee=r[g++],te=r[g++];try{var re=decodeScan(r,g,p,K,m,$,ee,te>>4,15&te,V);g+=re}catch(t){if(t instanceof l){(0,i.warn)("".concat(t.message," -- attempting to re-parse the JPEG image."));return this.parse(r,{dnlScanLines:t.scanLines})}if(t instanceof u){(0,i.warn)("".concat(t.message," -- ignoring the rest of the image data."));break e}throw t}break;case 65500:g+=4;break;case 65535:255!==r[g]&&g--;break;default:var ae=findNextFileMarker(r,g-2,g-3);if(ae&&ae.invalid){(0,i.warn)("JpegImage.parse - unexpected data, current marker is: "+ae.invalid);g=ae.offset;break}if(g>=r.length-1){(0,i.warn)("JpegImage.parse - reached the end of the image data without finding an EOI marker (0xFFD9).");break e}throw new c("JpegImage.parse - unknown marker: "+C.toString(16))}C=(0,o.readUint16)(r,g);g+=2}this.width=p.samplesPerLine;this.height=p.scanLines;this.jfif=y;this.adobe=b;this.components=[];for(_=0;_<p.components.length;_++){var ne=S[(X=p.components[_]).quantizationId];ne&&(X.quantizationTable=ne);this.components.push({index:X.index,output:buildComponentData(0,X),scaleX:X.h/p.maxH,scaleY:X.v/p.maxV,blocksPerLine:X.blocksPerLine,blocksPerColumn:X.blocksPerColumn})}this.numComponents=this.components.length},_getLinearizedBlockData:function _getLinearizedBlockData(t,r){var a,i,o,c,l,u,h,d,p,m,g,y,b=arguments.length>2&&void 0!==arguments[2]&&arguments[2],v=this.width/t,S=this.height/r,k=0,w=this.components.length,C=t*r*w,_=new Uint8ClampedArray(C),x=new Uint32Array(t),A=4294967288;for(h=0;h<w;h++){i=(a=this.components[h]).scaleX*v;o=a.scaleY*S;k=h;g=a.output;c=a.blocksPerLine+1<<3;if(i!==y){for(l=0;l<t;l++){d=0|l*i;x[l]=(d&A)<<3|7&d}y=i}for(u=0;u<r;u++){m=c*((d=0|u*o)&A)|(7&d)<<3;for(l=0;l<t;l++){_[k]=g[m+x[l]];k+=w}}}var T=this._decodeTransform;b||4!==w||T||(T=new Int32Array([-256,255,-256,255,-256,255,-256,255]));if(T)for(h=0;h<C;)for(d=0,p=0;d<w;d++,h++,p+=2)_[h]=(_[h]*T[p]>>8)+T[p+1];return _},get _isColorConversionNeeded(){return this.adobe?!!this.adobe.transformCode:3===this.numComponents?0!==this._colorTransform&&(82!==this.components[0].index||71!==this.components[1].index||66!==this.components[2].index):1===this._colorTransform},_convertYccToRgb:function convertYccToRgb(t){for(var r,a,i,o=0,c=t.length;o<c;o+=3){r=t[o];a=t[o+1];i=t[o+2];t[o]=r-179.456+1.402*i;t[o+1]=r+135.459-.344*a-.714*i;t[o+2]=r-226.816+1.772*a}return t},_convertYcckToRgb:function convertYcckToRgb(t){for(var r,a,i,o,c=0,l=0,u=t.length;l<u;l+=4){r=t[l];a=t[l+1];i=t[l+2];o=t[l+3];t[c++]=a*(-660635669420364e-19*a+.000437130475926232*i-54080610064599e-18*r+.00048449797120281*o-.154362151871126)-122.67195406894+i*(-.000957964378445773*i+.000817076911346625*r-.00477271405408747*o+1.53380253221734)+r*(.000961250184130688*r-.00266257332283933*o+.48357088451265)+o*(-.000336197177618394*o+.484791561490776);t[c++]=107.268039397724+a*(219927104525741e-19*a-.000640992018297945*i+.000659397001245577*r+.000426105652938837*o-.176491792462875)+i*(-.000778269941513683*i+.00130872261408275*r+.000770482631801132*o-.151051492775562)+r*(.00126935368114843*r-.00265090189010898*o+.25802910206845)+o*(-.000318913117588328*o-.213742400323665);t[c++]=a*(-.000570115196973677*a-263409051004589e-19*i+.0020741088115012*r-.00288260236853442*o+.814272968359295)-20.810012546947+i*(-153496057440975e-19*i-.000132689043961446*r+.000560833691242812*o-.195152027534049)+r*(.00174418132927582*r-.00255243321439347*o+.116935020465145)+o*(-.000343531996510555*o+.24165260232407)}return t.subarray(0,c)},_convertYcckToCmyk:function convertYcckToCmyk(t){for(var r,a,i,o=0,c=t.length;o<c;o+=4){r=t[o];a=t[o+1];i=t[o+2];t[o]=434.456-r-1.402*i;t[o+1]=119.541-r+.344*a+.714*i;t[o+2]=481.816-r-1.772*a}return t},_convertCmykToRgb:function convertCmykToRgb(t){for(var r,a,i,o,c=0,l=0,u=t.length;l<u;l+=4){r=t[l];a=t[l+1];i=t[l+2];o=t[l+3];t[c++]=255+r*(-6747147073602441e-20*r+.0008379262121013727*a+.0002894718188643294*i+.003264231057537806*o-1.1185611867203937)+a*(26374107616089405e-21*a-8626949158638572e-20*i-.0002748769067499491*o-.02155688794978967)+i*(-3878099212869363e-20*i-.0003267808279485286*o+.0686742238595345)-o*(.0003361971776183937*o+.7430659151342254);t[c++]=255+r*(.00013596372813588848*r+.000924537132573585*a+.00010567359618683593*i+.0004791864687436512*o-.3109689587515875)+a*(-.00023545346108370344*a+.0002702845253534714*i+.0020200308977307156*o-.7488052167015494)+i*(6834815998235662e-20*i+.00015168452363460973*o-.09751927774728933)-o*(.0003189131175883281*o+.7364883807733168);t[c++]=255+r*(13598650411385307e-21*r+.00012423956175490851*a+.0004751985097583589*i-36729317476630422e-22*o-.05562186980264034)+a*(.00016141380598724676*a+.0009692239130725186*i+.0007782692450036253*o-.44015232367526463)+i*(5.068882914068769e-7*i+.0017778369011375071*o-.7591454649749609)-o*(.0003435319965105553*o+.7063770186160144)}return t.subarray(0,c)},getData:function getData(t){var r=t.width,a=t.height,i=t.forceRGB,o=void 0!==i&&i,l=t.isSourcePDF,u=void 0!==l&&l;if(this.numComponents>4)throw new c("Unsupported color mode");var h=this._getLinearizedBlockData(r,a,u);if(1===this.numComponents&&o){for(var d=h.length,p=new Uint8ClampedArray(3*d),m=0,g=0;g<d;g++){var y=h[g];p[m++]=y;p[m++]=y;p[m++]=y}return p}if(3===this.numComponents&&this._isColorConversionNeeded)return this._convertYccToRgb(h);if(4===this.numComponents){if(this._isColorConversionNeeded)return o?this._convertYcckToRgb(h):this._convertYcckToCmyk(h);if(o)return this._convertCmykToRgb(h)}return h}};return JpegImage}();r.JpegImage=h},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.JpxStream=void 0;var i=a(209),o=a(218),c=a(5),l=function JpxStreamClosure(){function JpxStream(t,r,a,o){this.stream=t;this.maybeLength=r;this.dict=a;this.params=o;i.DecodeStream.call(this,r)}JpxStream.prototype=Object.create(i.DecodeStream.prototype);Object.defineProperty(JpxStream.prototype,"bytes",{get:function JpxStream_bytes(){return(0,c.shadow)(this,"bytes",this.stream.getBytes(this.maybeLength))},configurable:!0});JpxStream.prototype.ensureBuffer=function(t){};JpxStream.prototype.readBlock=function(){if(!this.eof){var t=new o.JpxImage;t.parse(this.bytes);var r=t.width,a=t.height,i=t.componentsCount,c=t.tiles.length;if(1===c)this.buffer=t.tiles[0].items;else{for(var l=new Uint8ClampedArray(r*a*i),u=0;u<c;u++)for(var h=t.tiles[u],d=h.width,p=h.height,m=h.left,g=h.top,y=h.items,b=0,v=(r*g+m)*i,S=r*i,k=d*i,w=0;w<p;w++){var C=y.subarray(b,b+k);l.set(C,v);b+=k;v+=S}this.buffer=l}this.bufferLength=this.buffer.length;this.eof=!0}};return JpxStream}();r.JpxStream=l},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.JpxImage=void 0;var i=a(5),o=a(205),c=a(214);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var l=function(t){!function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}(JpxError,t);var r=_createSuper(JpxError);function JpxError(t){!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,JpxError);return r.call(this,"JPX error: ".concat(t))}return JpxError}(i.BaseException),u=function JpxImageClosure(){var t={LL:0,LH:1,HL:1,HH:2};function JpxImage(){this.failOnCorruptedImage=!1}JpxImage.prototype={parse:function JpxImage_parse(t){if(65359!==(0,o.readUint16)(t,0))for(var r=0,a=t.length;r<a;){var c=8,u=(0,o.readUint32)(t,r),h=(0,o.readUint32)(t,r+4);r+=c;if(1===u){u=4294967296*(0,o.readUint32)(t,r)+(0,o.readUint32)(t,r+4);r+=8;c+=8}0===u&&(u=a-r+c);if(u<c)throw new l("Invalid box field size");var d=u-c,p=!0;switch(h){case 1785737832:p=!1;break;case 1668246642:var m=t[r];if(1===m){var g=(0,o.readUint32)(t,r+3);switch(g){case 16:case 17:case 18:break;default:(0,i.warn)("Unknown colorspace "+g)}}else 2===m&&(0,i.info)("ICC profile not supported");break;case 1785737827:this.parseCodestream(t,r,r+d);break;case 1783636e3:218793738!==(0,o.readUint32)(t,r)&&(0,i.warn)("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var y=String.fromCharCode(h>>24&255,h>>16&255,h>>8&255,255&h);(0,i.warn)("Unsupported header type "+h+" ("+y+")")}p&&(r+=d)}else this.parseCodestream(t,0,t.length)},parseImageProperties:function JpxImage_parseImageProperties(t){for(var r=t.getByte();r>=0;){if(65361===(r<<8|(r=t.getByte()))){t.skip(4);var a=t.getInt32()>>>0,i=t.getInt32()>>>0,o=t.getInt32()>>>0,c=t.getInt32()>>>0;t.skip(16);var u=t.getUint16();this.width=a-o;this.height=i-c;this.componentsCount=u;this.bitsPerComponent=8;return}}throw new l("No size marker found in JPX stream")},parseCodestream:function JpxImage_parseCodestream(t,r,a){var c={},u=!1;try{for(var h=r;h+1<a;){var d=(0,o.readUint16)(t,h);h+=2;var p,m,g,y,b,v,S=0;switch(d){case 65359:c.mainHeader=!0;break;case 65497:break;case 65361:S=(0,o.readUint16)(t,h);var k={};k.Xsiz=(0,o.readUint32)(t,h+4);k.Ysiz=(0,o.readUint32)(t,h+8);k.XOsiz=(0,o.readUint32)(t,h+12);k.YOsiz=(0,o.readUint32)(t,h+16);k.XTsiz=(0,o.readUint32)(t,h+20);k.YTsiz=(0,o.readUint32)(t,h+24);k.XTOsiz=(0,o.readUint32)(t,h+28);k.YTOsiz=(0,o.readUint32)(t,h+32);var w=(0,o.readUint16)(t,h+36);k.Csiz=w;var C=[];p=h+38;for(var _=0;_<w;_++){var x={precision:1+(127&t[p]),isSigned:!!(128&t[p]),XRsiz:t[p+1],YRsiz:t[p+2]};p+=3;calculateComponentDimensions(x,k);C.push(x)}c.SIZ=k;c.components=C;calculateTileGrids(c,C);c.QCC=[];c.COC=[];break;case 65372:S=(0,o.readUint16)(t,h);var A={};p=h+2;switch(31&(m=t[p++])){case 0:y=8;b=!0;break;case 1:y=16;b=!1;break;case 2:y=16;b=!0;break;default:throw new Error("Invalid SQcd value "+m)}A.noQuantization=8===y;A.scalarExpounded=b;A.guardBits=m>>5;g=[];for(;p<S+h;){var T={};if(8===y){T.epsilon=t[p++]>>3;T.mu=0}else{T.epsilon=t[p]>>3;T.mu=(7&t[p])<<8|t[p+1];p+=2}g.push(T)}A.SPqcds=g;if(c.mainHeader)c.QCD=A;else{c.currentTile.QCD=A;c.currentTile.QCC=[]}break;case 65373:S=(0,o.readUint16)(t,h);var R,I={};p=h+2;if(c.SIZ.Csiz<257)R=t[p++];else{R=(0,o.readUint16)(t,p);p+=2}switch(31&(m=t[p++])){case 0:y=8;b=!0;break;case 1:y=16;b=!1;break;case 2:y=16;b=!0;break;default:throw new Error("Invalid SQcd value "+m)}I.noQuantization=8===y;I.scalarExpounded=b;I.guardBits=m>>5;g=[];for(;p<S+h;){T={};if(8===y){T.epsilon=t[p++]>>3;T.mu=0}else{T.epsilon=t[p]>>3;T.mu=(7&t[p])<<8|t[p+1];p+=2}g.push(T)}I.SPqcds=g;c.mainHeader?c.QCC[R]=I:c.currentTile.QCC[R]=I;break;case 65362:S=(0,o.readUint16)(t,h);var P={};p=h+2;var O=t[p++];P.entropyCoderWithCustomPrecincts=!!(1&O);P.sopMarkerUsed=!!(2&O);P.ephMarkerUsed=!!(4&O);P.progressionOrder=t[p++];P.layersCount=(0,o.readUint16)(t,p);p+=2;P.multipleComponentTransform=t[p++];P.decompositionLevelsCount=t[p++];P.xcb=2+(15&t[p++]);P.ycb=2+(15&t[p++]);var E=t[p++];P.selectiveArithmeticCodingBypass=!!(1&E);P.resetContextProbabilities=!!(2&E);P.terminationOnEachCodingPass=!!(4&E);P.verticallyStripe=!!(8&E);P.predictableTermination=!!(16&E);P.segmentationSymbolUsed=!!(32&E);P.reversibleTransformation=t[p++];if(P.entropyCoderWithCustomPrecincts){for(var B=[];p<S+h;){var D=t[p++];B.push({PPx:15&D,PPy:D>>4})}P.precinctsSizes=B}var M=[];P.selectiveArithmeticCodingBypass&&M.push("selectiveArithmeticCodingBypass");P.resetContextProbabilities&&M.push("resetContextProbabilities");P.terminationOnEachCodingPass&&M.push("terminationOnEachCodingPass");P.verticallyStripe&&M.push("verticallyStripe");P.predictableTermination&&M.push("predictableTermination");if(M.length>0){u=!0;throw new Error("Unsupported COD options ("+M.join(", ")+")")}if(c.mainHeader)c.COD=P;else{c.currentTile.COD=P;c.currentTile.COC=[]}break;case 65424:S=(0,o.readUint16)(t,h);(v={}).index=(0,o.readUint16)(t,h+2);v.length=(0,o.readUint32)(t,h+4);v.dataEnd=v.length+h-2;v.partIndex=t[h+8];v.partsCount=t[h+9];c.mainHeader=!1;if(0===v.partIndex){v.COD=c.COD;v.COC=c.COC.slice(0);v.QCD=c.QCD;v.QCC=c.QCC.slice(0)}c.currentTile=v;break;case 65427:if(0===(v=c.currentTile).partIndex){initializeTile(c,v.index);buildPackets(c)}parseTilePackets(c,t,h,S=v.dataEnd-h);break;case 65365:case 65367:case 65368:case 65380:S=(0,o.readUint16)(t,h);break;case 65363:throw new Error("Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("Unknown codestream code: "+d.toString(16))}h+=S}}catch(t){if(u||this.failOnCorruptedImage)throw new l(t.message);(0,i.warn)("JPX: Trying to recover from: "+t.message)}this.tiles=function transformComponents(t){for(var r=t.SIZ,a=t.components,i=r.Csiz,o=[],c=0,l=t.tiles.length;c<l;c++){var u,h=t.tiles[c],d=[];for(u=0;u<i;u++)d[u]=transformTile(t,h,u);var p,m,g,y,b,v,S,k=d[0],w=new Uint8ClampedArray(k.items.length*i),C={left:k.left,top:k.top,width:k.width,height:k.height,items:w},_=0;if(h.codingStyleDefaultParameters.multipleComponentTransform){var x=4===i,A=d[0].items,T=d[1].items,R=d[2].items,I=x?d[3].items:null;p=a[0].precision-8;m=.5+(128<<p);var P=h.components[0],O=i-3;y=A.length;if(P.codingStyleParameters.reversibleTransformation)for(g=0;g<y;g++,_+=O){b=A[g]+m;v=T[g];S=R[g];var E=b-(S+v>>2);w[_++]=E+S>>p;w[_++]=E>>p;w[_++]=E+v>>p}else for(g=0;g<y;g++,_+=O){b=A[g]+m;v=T[g];S=R[g];w[_++]=b+1.402*S>>p;w[_++]=b-.34413*v-.71414*S>>p;w[_++]=b+1.772*v>>p}if(x)for(g=0,_=3;g<y;g++,_+=4)w[_]=I[g]+m>>p}else for(u=0;u<i;u++){var B=d[u].items;p=a[u].precision-8;m=.5+(128<<p);for(_=u,g=0,y=B.length;g<y;g++){w[_]=B[g]+m>>p;_+=i}}o.push(C)}return o}(c);this.width=c.SIZ.Xsiz-c.SIZ.XOsiz;this.height=c.SIZ.Ysiz-c.SIZ.YOsiz;this.componentsCount=c.SIZ.Csiz}};function calculateComponentDimensions(t,r){t.x0=Math.ceil(r.XOsiz/t.XRsiz);t.x1=Math.ceil(r.Xsiz/t.XRsiz);t.y0=Math.ceil(r.YOsiz/t.YRsiz);t.y1=Math.ceil(r.Ysiz/t.YRsiz);t.width=t.x1-t.x0;t.height=t.y1-t.y0}function calculateTileGrids(t,r){for(var a,i=t.SIZ,o=[],c=Math.ceil((i.Xsiz-i.XTOsiz)/i.XTsiz),l=Math.ceil((i.Ysiz-i.YTOsiz)/i.YTsiz),u=0;u<l;u++)for(var h=0;h<c;h++){(a={}).tx0=Math.max(i.XTOsiz+h*i.XTsiz,i.XOsiz);a.ty0=Math.max(i.YTOsiz+u*i.YTsiz,i.YOsiz);a.tx1=Math.min(i.XTOsiz+(h+1)*i.XTsiz,i.Xsiz);a.ty1=Math.min(i.YTOsiz+(u+1)*i.YTsiz,i.Ysiz);a.width=a.tx1-a.tx0;a.height=a.ty1-a.ty0;a.components=[];o.push(a)}t.tiles=o;for(var d=0,p=i.Csiz;d<p;d++)for(var m=r[d],g=0,y=o.length;g<y;g++){var b={};a=o[g];b.tcx0=Math.ceil(a.tx0/m.XRsiz);b.tcy0=Math.ceil(a.ty0/m.YRsiz);b.tcx1=Math.ceil(a.tx1/m.XRsiz);b.tcy1=Math.ceil(a.ty1/m.YRsiz);b.width=b.tcx1-b.tcx0;b.height=b.tcy1-b.tcy0;a.components[d]=b}}function getBlocksDimensions(t,r,a){var i=r.codingStyleParameters,o={};if(i.entropyCoderWithCustomPrecincts){o.PPx=i.precinctsSizes[a].PPx;o.PPy=i.precinctsSizes[a].PPy}else{o.PPx=15;o.PPy=15}o.xcb_=a>0?Math.min(i.xcb,o.PPx-1):Math.min(i.xcb,o.PPx);o.ycb_=a>0?Math.min(i.ycb,o.PPy-1):Math.min(i.ycb,o.PPy);return o}function buildPrecincts(t,r,a){var i=1<<a.PPx,o=1<<a.PPy,c=0===r.resLevel,l=1<<a.PPx+(c?0:-1),u=1<<a.PPy+(c?0:-1),h=r.trx1>r.trx0?Math.ceil(r.trx1/i)-Math.floor(r.trx0/i):0,d=r.try1>r.try0?Math.ceil(r.try1/o)-Math.floor(r.try0/o):0,p=h*d;r.precinctParameters={precinctWidth:i,precinctHeight:o,numprecinctswide:h,numprecinctshigh:d,numprecincts:p,precinctWidthInSubband:l,precinctHeightInSubband:u}}function buildCodeblocks(t,r,a){var i,o,c,l,u=a.xcb_,h=a.ycb_,d=1<<u,p=1<<h,m=r.tbx0>>u,g=r.tby0>>h,y=r.tbx1+d-1>>u,b=r.tby1+p-1>>h,v=r.resolution.precinctParameters,S=[],k=[];for(o=g;o<b;o++)for(i=m;i<y;i++){(c={cbx:i,cby:o,tbx0:d*i,tby0:p*o,tbx1:d*(i+1),tby1:p*(o+1)}).tbx0_=Math.max(r.tbx0,c.tbx0);c.tby0_=Math.max(r.tby0,c.tby0);c.tbx1_=Math.min(r.tbx1,c.tbx1);c.tby1_=Math.min(r.tby1,c.tby1);l=Math.floor((c.tbx0_-r.tbx0)/v.precinctWidthInSubband)+Math.floor((c.tby0_-r.tby0)/v.precinctHeightInSubband)*v.numprecinctswide;c.precinctNumber=l;c.subbandType=r.type;c.Lblock=3;if(!(c.tbx1_<=c.tbx0_||c.tby1_<=c.tby0_)){S.push(c);var w=k[l];if(void 0!==w){i<w.cbxMin?w.cbxMin=i:i>w.cbxMax&&(w.cbxMax=i);o<w.cbyMin?w.cbxMin=o:o>w.cbyMax&&(w.cbyMax=o)}else k[l]=w={cbxMin:i,cbyMin:o,cbxMax:i,cbyMax:o};c.precinct=w}}r.codeblockParameters={codeblockWidth:u,codeblockHeight:h,numcodeblockwide:y-m+1,numcodeblockhigh:b-g+1};r.codeblocks=S;r.precincts=k}function createPacket(t,r,a){for(var i=[],o=t.subbands,c=0,l=o.length;c<l;c++)for(var u=o[c].codeblocks,h=0,d=u.length;h<d;h++){var p=u[h];p.precinctNumber===r&&i.push(p)}return{layerNumber:a,codeblocks:i}}function LayerResolutionComponentPositionIterator(t){for(var r=t.SIZ,a=t.currentTile.index,i=t.tiles[a],o=i.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=0,h=0;h<c;h++)u=Math.max(u,i.components[h].codingStyleParameters.decompositionLevelsCount);var d=0,p=0,m=0,g=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<o;d++){for(;p<=u;p++){for(;m<c;m++){var t=i.components[m];if(!(p>t.codingStyleParameters.decompositionLevelsCount)){for(var r=t.resolutions[p],a=r.precinctParameters.numprecincts;g<a;){var h=createPacket(r,g,d);g++;return h}g=0}}m=0}p=0}throw new l("Out of packets")}}function ResolutionLayerComponentPositionIterator(t){for(var r=t.SIZ,a=t.currentTile.index,i=t.tiles[a],o=i.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=0,h=0;h<c;h++)u=Math.max(u,i.components[h].codingStyleParameters.decompositionLevelsCount);var d=0,p=0,m=0,g=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<=u;d++){for(;p<o;p++){for(;m<c;m++){var t=i.components[m];if(!(d>t.codingStyleParameters.decompositionLevelsCount)){for(var r=t.resolutions[d],a=r.precinctParameters.numprecincts;g<a;){var h=createPacket(r,g,p);g++;return h}g=0}}m=0}p=0}throw new l("Out of packets")}}function ResolutionPositionComponentLayerIterator(t){var r,a,i,o,c=t.SIZ,u=t.currentTile.index,h=t.tiles[u],d=h.codingStyleDefaultParameters.layersCount,p=c.Csiz,m=0;for(i=0;i<p;i++){var g=h.components[i];m=Math.max(m,g.codingStyleParameters.decompositionLevelsCount)}var y=new Int32Array(m+1);for(a=0;a<=m;++a){var b=0;for(i=0;i<p;++i){var v=h.components[i].resolutions;a<v.length&&(b=Math.max(b,v[a].precinctParameters.numprecincts))}y[a]=b}r=0;a=0;i=0;o=0;this.nextPacket=function JpxImage_nextPacket(){for(;a<=m;a++){for(;o<y[a];o++){for(;i<p;i++){var t=h.components[i];if(!(a>t.codingStyleParameters.decompositionLevelsCount)){var c=t.resolutions[a],u=c.precinctParameters.numprecincts;if(!(o>=u)){for(;r<d;){var g=createPacket(c,o,r);r++;return g}r=0}}}i=0}o=0}throw new l("Out of packets")}}function PositionComponentResolutionLayerIterator(t){var r=t.SIZ,a=t.currentTile.index,i=t.tiles[a],o=i.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=getPrecinctSizesInImageScale(i),h=u,d=0,p=0,m=0,g=0,y=0;this.nextPacket=function JpxImage_nextPacket(){for(;y<h.maxNumHigh;y++){for(;g<h.maxNumWide;g++){for(;m<c;m++){for(var t=i.components[m],r=t.codingStyleParameters.decompositionLevelsCount;p<=r;p++){var a=t.resolutions[p],b=u.components[m].resolutions[p],v=getPrecinctIndexIfExist(g,y,b,h,a);if(null!==v){for(;d<o;){var S=createPacket(a,v,d);d++;return S}d=0}}p=0}m=0}g=0}throw new l("Out of packets")}}function ComponentPositionResolutionLayerIterator(t){var r=t.SIZ,a=t.currentTile.index,i=t.tiles[a],o=i.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=getPrecinctSizesInImageScale(i),h=0,d=0,p=0,m=0,g=0;this.nextPacket=function JpxImage_nextPacket(){for(;p<c;++p){for(var t=i.components[p],r=u.components[p],a=t.codingStyleParameters.decompositionLevelsCount;g<r.maxNumHigh;g++){for(;m<r.maxNumWide;m++){for(;d<=a;d++){var y=t.resolutions[d],b=r.resolutions[d],v=getPrecinctIndexIfExist(m,g,b,r,y);if(null!==v){for(;h<o;){var S=createPacket(y,v,h);h++;return S}h=0}}d=0}m=0}g=0}throw new l("Out of packets")}}function getPrecinctIndexIfExist(t,r,a,i,o){var c=t*i.minWidth,l=r*i.minHeight;if(c%a.width!=0||l%a.height!=0)return null;var u=l/a.width*o.precinctParameters.numprecinctswide;return c/a.height+u}function getPrecinctSizesInImageScale(t){for(var r=t.components.length,a=Number.MAX_VALUE,i=Number.MAX_VALUE,o=0,c=0,l=new Array(r),u=0;u<r;u++){for(var h=t.components[u],d=h.codingStyleParameters.decompositionLevelsCount,p=new Array(d+1),m=Number.MAX_VALUE,g=Number.MAX_VALUE,y=0,b=0,v=1,S=d;S>=0;--S){var k=h.resolutions[S],w=v*k.precinctParameters.precinctWidth,C=v*k.precinctParameters.precinctHeight;m=Math.min(m,w);g=Math.min(g,C);y=Math.max(y,k.precinctParameters.numprecinctswide);b=Math.max(b,k.precinctParameters.numprecinctshigh);p[S]={width:w,height:C};v<<=1}a=Math.min(a,m);i=Math.min(i,g);o=Math.max(o,y);c=Math.max(c,b);l[u]={resolutions:p,minWidth:m,minHeight:g,maxNumWide:y,maxNumHigh:b}}return{components:l,minWidth:a,minHeight:i,maxNumWide:o,maxNumHigh:c}}function buildPackets(t){for(var r=t.SIZ,a=t.currentTile.index,i=t.tiles[a],o=r.Csiz,c=0;c<o;c++){for(var u=i.components[c],h=u.codingStyleParameters.decompositionLevelsCount,d=[],p=[],m=0;m<=h;m++){var g,y=getBlocksDimensions(0,u,m),b={},v=1<<h-m;b.trx0=Math.ceil(u.tcx0/v);b.try0=Math.ceil(u.tcy0/v);b.trx1=Math.ceil(u.tcx1/v);b.try1=Math.ceil(u.tcy1/v);b.resLevel=m;buildPrecincts(0,b,y);d.push(b);if(0===m){(g={}).type="LL";g.tbx0=Math.ceil(u.tcx0/v);g.tby0=Math.ceil(u.tcy0/v);g.tbx1=Math.ceil(u.tcx1/v);g.tby1=Math.ceil(u.tcy1/v);g.resolution=b;buildCodeblocks(0,g,y);p.push(g);b.subbands=[g]}else{var S=1<<h-m+1,k=[];(g={}).type="HL";g.tbx0=Math.ceil(u.tcx0/S-.5);g.tby0=Math.ceil(u.tcy0/S);g.tbx1=Math.ceil(u.tcx1/S-.5);g.tby1=Math.ceil(u.tcy1/S);g.resolution=b;buildCodeblocks(0,g,y);p.push(g);k.push(g);(g={}).type="LH";g.tbx0=Math.ceil(u.tcx0/S);g.tby0=Math.ceil(u.tcy0/S-.5);g.tbx1=Math.ceil(u.tcx1/S);g.tby1=Math.ceil(u.tcy1/S-.5);g.resolution=b;buildCodeblocks(0,g,y);p.push(g);k.push(g);(g={}).type="HH";g.tbx0=Math.ceil(u.tcx0/S-.5);g.tby0=Math.ceil(u.tcy0/S-.5);g.tbx1=Math.ceil(u.tcx1/S-.5);g.tby1=Math.ceil(u.tcy1/S-.5);g.resolution=b;buildCodeblocks(0,g,y);p.push(g);k.push(g);b.subbands=k}}u.resolutions=d;u.subbands=p}var w=i.codingStyleDefaultParameters.progressionOrder;switch(w){case 0:i.packetsIterator=new LayerResolutionComponentPositionIterator(t);break;case 1:i.packetsIterator=new ResolutionLayerComponentPositionIterator(t);break;case 2:i.packetsIterator=new ResolutionPositionComponentLayerIterator(t);break;case 3:i.packetsIterator=new PositionComponentResolutionLayerIterator(t);break;case 4:i.packetsIterator=new ComponentPositionResolutionLayerIterator(t);break;default:throw new l("Unsupported progression order ".concat(w))}}function parseTilePackets(t,i,c,l){var u,h=0,d=0,p=!1;function readBits(t){for(;d<t;){var r=i[c+h];h++;if(p){u=u<<7|r;d+=7;p=!1}else{u=u<<8|r;d+=8}255===r&&(p=!0)}return u>>>(d-=t)&(1<<t)-1}function skipMarkerIfEqual(t){if(255===i[c+h-1]&&i[c+h]===t){skipBytes(1);return!0}if(255===i[c+h]&&i[c+h+1]===t){skipBytes(2);return!0}return!1}function skipBytes(t){h+=t}function alignToByte(){d=0;if(p){h++;p=!1}}function readCodingpasses(){if(0===readBits(1))return 1;if(0===readBits(1))return 2;var t=readBits(2);return t<3?t+3:(t=readBits(5))<31?t+6:(t=readBits(7))+37}for(var m=t.currentTile.index,g=t.tiles[m],y=t.COD.sopMarkerUsed,b=t.COD.ephMarkerUsed,v=g.packetsIterator;h<l;){alignToByte();y&&skipMarkerIfEqual(145)&&skipBytes(4);var S=v.nextPacket();if(readBits(1)){for(var k,w=S.layerNumber,C=[],_=0,x=S.codeblocks.length;_<x;_++){var A=(k=S.codeblocks[_]).precinct,T=k.cbx-A.cbxMin,R=k.cby-A.cbyMin,I=!1,P=!1;if(void 0!==k.included)I=!!readBits(1);else{var O,E;if(void 0!==(A=k.precinct).inclusionTree)O=A.inclusionTree;else{var B=A.cbxMax-A.cbxMin+1,D=A.cbyMax-A.cbyMin+1;O=new a(B,D,w);E=new r(B,D);A.inclusionTree=O;A.zeroBitPlanesTree=E}if(O.reset(T,R,w))for(;;){if(!readBits(1)){O.incrementValue(w);break}if(!O.nextLevel()){k.included=!0;I=P=!0;break}}}if(I){if(P){(E=A.zeroBitPlanesTree).reset(T,R);for(;;)if(readBits(1)){if(!E.nextLevel())break}else E.incrementValue();k.zeroBitPlanes=E.value}for(var M=readCodingpasses();readBits(1);)k.Lblock++;var L=(0,o.log2)(M),N=readBits((M<1<<L?L-1:L)+k.Lblock);C.push({codeblock:k,codingpasses:M,dataLength:N})}}alignToByte();b&&skipMarkerIfEqual(146);for(;C.length>0;){var U=C.shift();void 0===(k=U.codeblock).data&&(k.data=[]);k.data.push({data:i,start:c+h,end:c+h+U.dataLength,codingpasses:U.codingpasses});h+=U.dataLength}}}return h}function copyCoefficients(t,r,a,i,o,l,h,d){for(var p=i.tbx0,m=i.tby0,g=i.tbx1-i.tbx0,y=i.codeblocks,b="H"===i.type.charAt(0)?1:0,v="H"===i.type.charAt(1)?r:0,S=0,k=y.length;S<k;++S){var w=y[S],C=w.tbx1_-w.tbx0_,_=w.tby1_-w.tby0_;if(0!==C&&0!==_&&void 0!==w.data){var x,A;x=new u(C,_,w.subbandType,w.zeroBitPlanes,l);A=2;var T,R,I,P=w.data,O=0,E=0;for(T=0,R=P.length;T<R;T++){O+=(I=P[T]).end-I.start;E+=I.codingpasses}var B=new Uint8Array(O),D=0;for(T=0,R=P.length;T<R;T++){var M=(I=P[T]).data.subarray(I.start,I.end);B.set(M,D);D+=M.length}var L=new c.ArithmeticDecoder(B,0,O);x.setDecoder(L);for(T=0;T<E;T++){switch(A){case 0:x.runSignificancePropagationPass();break;case 1:x.runMagnitudeRefinementPass();break;case 2:x.runCleanupPass();d&&x.checkSegmentationSymbol()}A=(A+1)%3}var N,U,j,q=w.tbx0_-p+(w.tby0_-m)*g,W=x.coefficentsSign,z=x.coefficentsMagnitude,G=x.bitsDecoded,H=h?0:.5;D=0;var V="LL"!==i.type;for(T=0;T<_;T++){var X=2*(q/g|0)*(r-g)+b+v;for(N=0;N<C;N++){if(0!==(U=z[D])){U=(U+H)*o;0!==W[D]&&(U=-U);j=G[D];var Y=V?X+(q<<1):q;t[Y]=h&&j>=l?U:U*(1<<l-j)}q++;D++}q+=g-C}}}}function transformTile(r,a,i){for(var o=a.components[i],c=o.codingStyleParameters,l=o.quantizationParameters,u=c.decompositionLevelsCount,h=l.SPqcds,m=l.scalarExpounded,g=l.guardBits,y=c.segmentationSymbolUsed,b=r.components[i].precision,v=c.reversibleTransformation,S=v?new p:new d,k=[],w=0,C=0;C<=u;C++){for(var _=o.resolutions[C],x=_.trx1-_.trx0,A=_.try1-_.try0,T=new Float32Array(x*A),R=0,I=_.subbands.length;R<I;R++){var P,O;if(m){P=h[w].mu;O=h[w].epsilon;w++}else{P=h[0].mu;O=h[0].epsilon+(C>0?1-C:0)}var E=_.subbands[R],B=t[E.type];copyCoefficients(T,x,0,E,v?1:Math.pow(2,b+B-O)*(1+P/2048),g+O-1,v,y)}k.push({width:x,height:A,items:T})}var D=S.calculate(k,o.tcx0,o.tcy0);return{left:o.tcx0,top:o.tcy0,width:D.width,height:D.height,items:D.items}}function initializeTile(t,r){for(var a=t.SIZ.Csiz,i=t.tiles[r],o=0;o<a;o++){var c=i.components[o],l=void 0!==t.currentTile.QCC[o]?t.currentTile.QCC[o]:t.currentTile.QCD;c.quantizationParameters=l;var u=void 0!==t.currentTile.COC[o]?t.currentTile.COC[o]:t.currentTile.COD;c.codingStyleParameters=u}i.codingStyleDefaultParameters=t.currentTile.COD}var r=function TagTreeClosure(){function TagTree(t,r){var a=(0,o.log2)(Math.max(t,r))+1;this.levels=[];for(var i=0;i<a;i++){var c={width:t,height:r,items:[]};this.levels.push(c);t=Math.ceil(t/2);r=Math.ceil(r/2)}}TagTree.prototype={reset:function TagTree_reset(t,r){for(var a,i=0,o=0;i<this.levels.length;){var c=t+r*(a=this.levels[i]).width;if(void 0!==a.items[c]){o=a.items[c];break}a.index=c;t>>=1;r>>=1;i++}i--;(a=this.levels[i]).items[a.index]=o;this.currentLevel=i;delete this.value},incrementValue:function TagTree_incrementValue(){var t=this.levels[this.currentLevel];t.items[t.index]++},nextLevel:function TagTree_nextLevel(){var t=this.currentLevel,r=this.levels[t],a=r.items[r.index];if(--t<0){this.value=a;return!1}this.currentLevel=t;(r=this.levels[t]).items[r.index]=a;return!0}};return TagTree}(),a=function InclusionTreeClosure(){function InclusionTree(t,r,a){var i=(0,o.log2)(Math.max(t,r))+1;this.levels=[];for(var c=0;c<i;c++){for(var l=new Uint8Array(t*r),u=0,h=l.length;u<h;u++)l[u]=a;var d={width:t,height:r,items:l};this.levels.push(d);t=Math.ceil(t/2);r=Math.ceil(r/2)}}InclusionTree.prototype={reset:function InclusionTree_reset(t,r,a){for(var i=0;i<this.levels.length;){var o=this.levels[i],c=t+r*o.width;o.index=c;var l=o.items[c];if(255===l)break;if(l>a){this.currentLevel=i;this.propagateValues();return!1}t>>=1;r>>=1;i++}this.currentLevel=i-1;return!0},incrementValue:function InclusionTree_incrementValue(t){var r=this.levels[this.currentLevel];r.items[r.index]=t+1;this.propagateValues()},propagateValues:function InclusionTree_propagateValues(){for(var t=this.currentLevel,r=this.levels[t],a=r.items[r.index];--t>=0;)(r=this.levels[t]).items[r.index]=a},nextLevel:function InclusionTree_nextLevel(){var t=this.currentLevel,r=this.levels[t],a=r.items[r.index];r.items[r.index]=255;if(--t<0)return!1;this.currentLevel=t;(r=this.levels[t]).items[r.index]=a;return!0}};return InclusionTree}(),u=function BitModelClosure(){var t=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),r=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),a=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);function BitModel(i,o,c,l,u){this.width=i;this.height=o;var h;h="HH"===c?a:"HL"===c?r:t;this.contextLabelTable=h;var d,p=i*o;this.neighborsSignificance=new Uint8Array(p);this.coefficentsSign=new Uint8Array(p);d=u>14?new Uint32Array(p):u>6?new Uint16Array(p):new Uint8Array(p);this.coefficentsMagnitude=d;this.processingFlags=new Uint8Array(p);var m=new Uint8Array(p);if(0!==l)for(var g=0;g<p;g++)m[g]=l;this.bitsDecoded=m;this.reset()}BitModel.prototype={setDecoder:function BitModel_setDecoder(t){this.decoder=t},reset:function BitModel_reset(){this.contexts=new Int8Array(19);this.contexts[0]=8;this.contexts[17]=92;this.contexts[18]=6},setNeighborsSignificance:function BitModel_setNeighborsSignificance(t,r,a){var i,o=this.neighborsSignificance,c=this.width,l=this.height,u=r>0,h=r+1<c;if(t>0){i=a-c;u&&(o[i-1]+=16);h&&(o[i+1]+=16);o[i]+=4}if(t+1<l){i=a+c;u&&(o[i-1]+=16);h&&(o[i+1]+=16);o[i]+=4}u&&(o[a-1]+=1);h&&(o[a+1]+=1);o[a]|=128},runSignificancePropagationPass:function BitModel_runSignificancePropagationPass(){for(var t=this.decoder,r=this.width,a=this.height,i=this.coefficentsMagnitude,o=this.coefficentsSign,c=this.neighborsSignificance,l=this.processingFlags,u=this.contexts,h=this.contextLabelTable,d=this.bitsDecoded,p=0;p<a;p+=4)for(var m=0;m<r;m++)for(var g=p*r+m,y=0;y<4;y++,g+=r){var b=p+y;if(b>=a)break;l[g]&=-2;if(!i[g]&&c[g]){var v=h[c[g]];if(t.readBit(u,v)){var S=this.decodeSignBit(b,m,g);o[g]=S;i[g]=1;this.setNeighborsSignificance(b,m,g);l[g]|=2}d[g]++;l[g]|=1}}},decodeSignBit:function BitModel_decodeSignBit(t,r,a){var i,o,c,l,u,h,d=this.width,p=this.height,m=this.coefficentsMagnitude,g=this.coefficentsSign;l=r>0&&0!==m[a-1];if(r+1<d&&0!==m[a+1]){c=g[a+1];i=l?1-c-(o=g[a-1]):1-c-c}else i=l?1-(o=g[a-1])-o:0;var y=3*i;l=t>0&&0!==m[a-d];if(t+1<p&&0!==m[a+d]){c=g[a+d];i=l?1-c-(o=g[a-d])+y:1-c-c+y}else i=l?1-(o=g[a-d])-o+y:y;if(i>=0){u=9+i;h=this.decoder.readBit(this.contexts,u)}else{u=9-i;h=1^this.decoder.readBit(this.contexts,u)}return h},runMagnitudeRefinementPass:function BitModel_runMagnitudeRefinementPass(){for(var t,r=this.decoder,a=this.width,i=this.height,o=this.coefficentsMagnitude,c=this.neighborsSignificance,l=this.contexts,u=this.bitsDecoded,h=this.processingFlags,d=a*i,p=4*a,m=0;m<d;m=t){t=Math.min(d,m+p);for(var g=0;g<a;g++)for(var y=m+g;y<t;y+=a)if(o[y]&&0==(1&h[y])){var b=16;if(0!=(2&h[y])){h[y]^=2;b=0===(127&c[y])?15:14}var v=r.readBit(l,b);o[y]=o[y]<<1|v;u[y]++;h[y]|=1}}},runCleanupPass:function BitModel_runCleanupPass(){for(var t,r=this.decoder,a=this.width,i=this.height,o=this.neighborsSignificance,c=this.coefficentsMagnitude,l=this.coefficentsSign,u=this.contexts,h=this.contextLabelTable,d=this.bitsDecoded,p=this.processingFlags,m=a,g=2*a,y=3*a,b=0;b<i;b=t){t=Math.min(b+4,i);for(var v=b*a,S=b+3<i,k=0;k<a;k++){var w,C=v+k,_=0,x=C,A=b;if(S&&0===p[C]&&0===p[C+m]&&0===p[C+g]&&0===p[C+y]&&0===o[C]&&0===o[C+m]&&0===o[C+g]&&0===o[C+y]){if(!r.readBit(u,18)){d[C]++;d[C+m]++;d[C+g]++;d[C+y]++;continue}if(0!==(_=r.readBit(u,17)<<1|r.readBit(u,17))){A=b+_;x+=_*a}w=this.decodeSignBit(A,k,x);l[x]=w;c[x]=1;this.setNeighborsSignificance(A,k,x);p[x]|=2;x=C;for(var T=b;T<=A;T++,x+=a)d[x]++;_++}for(A=b+_;A<t;A++,x+=a)if(!c[x]&&0==(1&p[x])){var R=h[o[x]];if(1===r.readBit(u,R)){w=this.decodeSignBit(A,k,x);l[x]=w;c[x]=1;this.setNeighborsSignificance(A,k,x);p[x]|=2}d[x]++}}}},checkSegmentationSymbol:function BitModel_checkSegmentationSymbol(){var t=this.decoder,r=this.contexts;if(10!==(t.readBit(r,17)<<3|t.readBit(r,17)<<2|t.readBit(r,17)<<1|t.readBit(r,17)))throw new l("Invalid segmentation symbol")}};return BitModel}(),h=function TransformClosure(){function Transform(){}Transform.prototype.calculate=function transformCalculate(t,r,a){for(var i=t[0],o=1,c=t.length;o<c;o++)i=this.iterate(i,t[o],r,a);return i};Transform.prototype.extend=function extend(t,r,a){var i=r-1,o=r+1,c=r+a-2,l=r+a;t[i--]=t[o++];t[l++]=t[c--];t[i--]=t[o++];t[l++]=t[c--];t[i--]=t[o++];t[l++]=t[c--];t[i]=t[o];t[l]=t[c]};Transform.prototype.iterate=function Transform_iterate(t,r,a,i){var o,c,l,u,h,d,p=t.width,m=t.height,g=t.items,y=r.width,b=r.height,v=r.items;for(l=0,o=0;o<m;o++){u=2*o*y;for(c=0;c<p;c++,l++,u+=2)v[u]=g[l]}g=t.items=null;var S=new Float32Array(y+8);if(1===y){if(0!=(1&a))for(d=0,l=0;d<b;d++,l+=y)v[l]*=.5}else for(d=0,l=0;d<b;d++,l+=y){S.set(v.subarray(l,l+y),4);this.extend(S,4,y);this.filter(S,4,y);v.set(S.subarray(4,4+y),l)}var k=16,w=[];for(o=0;o<k;o++)w.push(new Float32Array(b+8));var C,_=0;t=4+b;if(1===b){if(0!=(1&i))for(h=0;h<y;h++)v[h]*=.5}else for(h=0;h<y;h++){if(0===_){k=Math.min(y-h,k);for(l=h,u=4;u<t;l+=y,u++)for(C=0;C<k;C++)w[C][u]=v[l+C];_=k}var x=w[--_];this.extend(x,4,b);this.filter(x,4,b);if(0===_){l=h-k+1;for(u=4;u<t;l+=y,u++)for(C=0;C<k;C++)v[l+C]=w[C][u]}}return{width:y,height:b,items:v}};return Transform}(),d=function IrreversibleTransformClosure(){function IrreversibleTransform(){h.call(this)}IrreversibleTransform.prototype=Object.create(h.prototype);IrreversibleTransform.prototype.filter=function irreversibleTransformFilter(t,r,a){var i,o,c,l,u=a>>1,h=-1.586134342059924,d=-.052980118572961,p=.882911075530934,m=.443506852043971,g=1.230174104914001;i=(r|=0)-3;for(o=u+4;o--;i+=2)t[i]*=.8128930661159609;c=m*t[(i=r-2)-1];for(o=u+3;o--;i+=2){l=m*t[i+1];t[i]=g*t[i]-c-l;if(!o--)break;c=m*t[(i+=2)+1];t[i]=g*t[i]-c-l}c=p*t[(i=r-1)-1];for(o=u+2;o--;i+=2){l=p*t[i+1];t[i]-=c+l;if(!o--)break;c=p*t[(i+=2)+1];t[i]-=c+l}c=d*t[(i=r)-1];for(o=u+1;o--;i+=2){l=d*t[i+1];t[i]-=c+l;if(!o--)break;c=d*t[(i+=2)+1];t[i]-=c+l}if(0!==u){c=h*t[(i=r+1)-1];for(o=u;o--;i+=2){l=h*t[i+1];t[i]-=c+l;if(!o--)break;c=h*t[(i+=2)+1];t[i]-=c+l}}};return IrreversibleTransform}(),p=function ReversibleTransformClosure(){function ReversibleTransform(){h.call(this)}ReversibleTransform.prototype=Object.create(h.prototype);ReversibleTransform.prototype.filter=function reversibleTransformFilter(t,r,a){var i,o,c=a>>1;for(i=r|=0,o=c+1;o--;i+=2)t[i]-=t[i-1]+t[i+1]+2>>2;for(i=r+1,o=c;o--;i+=2)t[i]+=t[i-1]+t[i+1]>>1};return ReversibleTransform}();return JpxImage}();r.JpxImage=u},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.calculateSHA512=r.calculateSHA384=r.calculateSHA256=r.calculateMD5=r.PDF20=r.PDF17=r.CipherTransformFactory=r.ARCFourCipher=r.AES256Cipher=r.AES128Cipher=void 0;var i=a(5),o=a(202),c=a(209);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var l=function ARCFourCipherClosure(){function ARCFourCipher(t){this.a=0;this.b=0;var r,a,i=new Uint8Array(256),o=0,c=t.length;for(r=0;r<256;++r)i[r]=r;for(r=0;r<256;++r){o=o+(a=i[r])+t[r%c]&255;i[r]=i[o];i[o]=a}this.s=i}ARCFourCipher.prototype={encryptBlock:function ARCFourCipher_encryptBlock(t){var r,a,i,o=t.length,c=this.a,l=this.b,u=this.s,h=new Uint8Array(o);for(r=0;r<o;++r){i=u[l=l+(a=u[c=c+1&255])&255];u[c]=i;u[l]=a;h[r]=t[r]^u[a+i&255]}this.a=c;this.b=l;return h}};ARCFourCipher.prototype.decryptBlock=ARCFourCipher.prototype.encryptBlock;ARCFourCipher.prototype.encrypt=ARCFourCipher.prototype.encryptBlock;return ARCFourCipher}();r.ARCFourCipher=l;var u=function calculateMD5Closure(){var t=new Uint8Array([7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21]),r=new Int32Array([-680876936,-389564586,606105819,-1044525330,-176418897,1200080426,-1473231341,-45705983,1770035416,-1958414417,-42063,-1990404162,1804603682,-40341101,-1502002290,1236535329,-165796510,-1069501632,643717713,-373897302,-701558691,38016083,-660478335,-405537848,568446438,-1019803690,-187363961,1163531501,-1444681467,-51403784,1735328473,-1926607734,-378558,-2022574463,1839030562,-35309556,-1530992060,1272893353,-155497632,-1094730640,681279174,-358537222,-722521979,76029189,-640364487,-421815835,530742520,-995338651,-198630844,1126891415,-1416354905,-57434055,1700485571,-1894986606,-1051523,-2054922799,1873313359,-30611744,-1560198380,1309151649,-145523070,-1120210379,718787259,-343485551]);return function hash(a,i,o){var c,l,u,h=1732584193,d=-271733879,p=-1732584194,m=271733878,g=o+72&-64,y=new Uint8Array(g);for(c=0;c<o;++c)y[c]=a[i++];y[c++]=128;u=g-8;for(;c<u;)y[c++]=0;y[c++]=o<<3&255;y[c++]=o>>5&255;y[c++]=o>>13&255;y[c++]=o>>21&255;y[c++]=o>>>29&255;y[c++]=0;y[c++]=0;y[c++]=0;var b=new Int32Array(16);for(c=0;c<g;){for(l=0;l<16;++l,c+=4)b[l]=y[c]|y[c+1]<<8|y[c+2]<<16|y[c+3]<<24;var v,S,k=h,w=d,C=p,_=m;for(l=0;l<64;++l){if(l<16){v=w&C|~w&_;S=l}else if(l<32){v=_&w|~_&C;S=5*l+1&15}else if(l<48){v=w^C^_;S=3*l+5&15}else{v=C^(w|~_);S=7*l&15}var x=_,A=k+v+r[l]+b[S]|0,T=t[l];_=C;C=w;w=w+(A<<T|A>>>32-T)|0;k=x}h=h+k|0;d=d+w|0;p=p+C|0;m=m+_|0}return new Uint8Array([255&h,h>>8&255,h>>16&255,h>>>24&255,255&d,d>>8&255,d>>16&255,d>>>24&255,255&p,p>>8&255,p>>16&255,p>>>24&255,255&m,m>>8&255,m>>16&255,m>>>24&255])}}();r.calculateMD5=u;var h=function Word64Closure(){function Word64(t,r){this.high=0|t;this.low=0|r}Word64.prototype={and:function Word64_and(t){this.high&=t.high;this.low&=t.low},xor:function Word64_xor(t){this.high^=t.high;this.low^=t.low},or:function Word64_or(t){this.high|=t.high;this.low|=t.low},shiftRight:function Word64_shiftRight(t){if(t>=32){this.low=this.high>>>t-32|0;this.high=0}else{this.low=this.low>>>t|this.high<<32-t;this.high=this.high>>>t|0}},shiftLeft:function Word64_shiftLeft(t){if(t>=32){this.high=this.low<<t-32;this.low=0}else{this.high=this.high<<t|this.low>>>32-t;this.low=this.low<<t}},rotateRight:function Word64_rotateRight(t){var r,a;if(32&t){a=this.low;r=this.high}else{r=this.low;a=this.high}t&=31;this.low=r>>>t|a<<32-t;this.high=a>>>t|r<<32-t},not:function Word64_not(){this.high=~this.high;this.low=~this.low},add:function Word64_add(t){var r=(this.low>>>0)+(t.low>>>0),a=(this.high>>>0)+(t.high>>>0);r>4294967295&&(a+=1);this.low=0|r;this.high=0|a},copyTo:function Word64_copyTo(t,r){t[r]=this.high>>>24&255;t[r+1]=this.high>>16&255;t[r+2]=this.high>>8&255;t[r+3]=255&this.high;t[r+4]=this.low>>>24&255;t[r+5]=this.low>>16&255;t[r+6]=this.low>>8&255;t[r+7]=255&this.low},assign:function Word64_assign(t){this.high=t.high;this.low=t.low}};return Word64}(),d=function calculateSHA256Closure(){function rotr(t,r){return t>>>r|t<<32-r}function ch(t,r,a){return t&r^~t&a}function maj(t,r,a){return t&r^t&a^r&a}function sigma(t){return rotr(t,2)^rotr(t,13)^rotr(t,22)}function sigmaPrime(t){return rotr(t,6)^rotr(t,11)^rotr(t,25)}function littleSigma(t){return rotr(t,7)^rotr(t,18)^t>>>3}var t=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];return function hash(r,a,i){var o,c,l,u=1779033703,h=3144134277,d=1013904242,p=2773480762,m=1359893119,g=2600822924,y=528734635,b=1541459225,v=64*Math.ceil((i+9)/64),S=new Uint8Array(v);for(o=0;o<i;++o)S[o]=r[a++];S[o++]=128;l=v-8;for(;o<l;)S[o++]=0;S[o++]=0;S[o++]=0;S[o++]=0;S[o++]=i>>>29&255;S[o++]=i>>21&255;S[o++]=i>>13&255;S[o++]=i>>5&255;S[o++]=i<<3&255;var k,w=new Uint32Array(64);for(o=0;o<v;){for(c=0;c<16;++c){w[c]=S[o]<<24|S[o+1]<<16|S[o+2]<<8|S[o+3];o+=4}for(c=16;c<64;++c)w[c]=(rotr(k=w[c-2],17)^rotr(k,19)^k>>>10)+w[c-7]+littleSigma(w[c-15])+w[c-16]|0;var C,_,x=u,A=h,T=d,R=p,I=m,P=g,O=y,E=b;for(c=0;c<64;++c){C=E+sigmaPrime(I)+ch(I,P,O)+t[c]+w[c];_=sigma(x)+maj(x,A,T);E=O;O=P;P=I;I=R+C|0;R=T;T=A;A=x;x=C+_|0}u=u+x|0;h=h+A|0;d=d+T|0;p=p+R|0;m=m+I|0;g=g+P|0;y=y+O|0;b=b+E|0}return new Uint8Array([u>>24&255,u>>16&255,u>>8&255,255&u,h>>24&255,h>>16&255,h>>8&255,255&h,d>>24&255,d>>16&255,d>>8&255,255&d,p>>24&255,p>>16&255,p>>8&255,255&p,m>>24&255,m>>16&255,m>>8&255,255&m,g>>24&255,g>>16&255,g>>8&255,255&g,y>>24&255,y>>16&255,y>>8&255,255&y,b>>24&255,b>>16&255,b>>8&255,255&b])}}();r.calculateSHA256=d;var p=function calculateSHA512Closure(){function ch(t,r,a,i,o){t.assign(r);t.and(a);o.assign(r);o.not();o.and(i);t.xor(o)}function maj(t,r,a,i,o){t.assign(r);t.and(a);o.assign(r);o.and(i);t.xor(o);o.assign(a);o.and(i);t.xor(o)}function sigma(t,r,a){t.assign(r);t.rotateRight(28);a.assign(r);a.rotateRight(34);t.xor(a);a.assign(r);a.rotateRight(39);t.xor(a)}function sigmaPrime(t,r,a){t.assign(r);t.rotateRight(14);a.assign(r);a.rotateRight(18);t.xor(a);a.assign(r);a.rotateRight(41);t.xor(a)}function littleSigma(t,r,a){t.assign(r);t.rotateRight(1);a.assign(r);a.rotateRight(8);t.xor(a);a.assign(r);a.shiftRight(7);t.xor(a)}function littleSigmaPrime(t,r,a){t.assign(r);t.rotateRight(19);a.assign(r);a.rotateRight(61);t.xor(a);a.assign(r);a.shiftRight(6);t.xor(a)}var t=[new h(1116352408,3609767458),new h(1899447441,602891725),new h(3049323471,3964484399),new h(3921009573,2173295548),new h(961987163,4081628472),new h(1508970993,3053834265),new h(2453635748,2937671579),new h(2870763221,3664609560),new h(3624381080,2734883394),new h(310598401,1164996542),new h(607225278,1323610764),new h(1426881987,3590304994),new h(1925078388,4068182383),new h(2162078206,991336113),new h(2614888103,633803317),new h(3248222580,3479774868),new h(3835390401,2666613458),new h(4022224774,944711139),new h(264347078,2341262773),new h(604807628,2007800933),new h(770255983,1495990901),new h(1249150122,1856431235),new h(1555081692,3175218132),new h(1996064986,2198950837),new h(2554220882,3999719339),new h(2821834349,766784016),new h(2952996808,2566594879),new h(3210313671,3203337956),new h(3336571891,1034457026),new h(3584528711,2466948901),new h(113926993,3758326383),new h(338241895,168717936),new h(666307205,1188179964),new h(773529912,1546045734),new h(1294757372,1522805485),new h(1396182291,2643833823),new h(1695183700,2343527390),new h(1986661051,1014477480),new h(2177026350,1206759142),new h(2456956037,344077627),new h(2730485921,1290863460),new h(2820302411,3158454273),new h(3259730800,3505952657),new h(3345764771,106217008),new h(3516065817,3606008344),new h(3600352804,1432725776),new h(4094571909,1467031594),new h(275423344,851169720),new h(430227734,3100823752),new h(506948616,1363258195),new h(659060556,3750685593),new h(883997877,3785050280),new h(958139571,3318307427),new h(1322822218,3812723403),new h(1537002063,2003034995),new h(1747873779,3602036899),new h(1955562222,1575990012),new h(2024104815,1125592928),new h(2227730452,2716904306),new h(2361852424,442776044),new h(2428436474,593698344),new h(2756734187,3733110249),new h(3204031479,2999351573),new h(3329325298,3815920427),new h(3391569614,3928383900),new h(3515267271,566280711),new h(3940187606,3454069534),new h(4118630271,4000239992),new h(116418474,1914138554),new h(174292421,2731055270),new h(289380356,3203993006),new h(460393269,320620315),new h(685471733,587496836),new h(852142971,1086792851),new h(1017036298,365543100),new h(1126000580,2618297676),new h(1288033470,3409855158),new h(1501505948,4234509866),new h(1607167915,987167468),new h(1816402316,1246189591)];return function hash(r,a,i,o){var c,l,u,d,p,m,g,y;if(o=!!o){c=new h(3418070365,3238371032);l=new h(1654270250,914150663);u=new h(2438529370,812702999);d=new h(355462360,4144912697);p=new h(1731405415,4290775857);m=new h(2394180231,1750603025);g=new h(3675008525,1694076839);y=new h(1203062813,3204075428)}else{c=new h(1779033703,4089235720);l=new h(3144134277,2227873595);u=new h(1013904242,4271175723);d=new h(2773480762,1595750129);p=new h(1359893119,2917565137);m=new h(2600822924,725511199);g=new h(528734635,4215389547);y=new h(1541459225,327033209)}var b,v,S,k=128*Math.ceil((i+17)/128),w=new Uint8Array(k);for(b=0;b<i;++b)w[b]=r[a++];w[b++]=128;S=k-16;for(;b<S;)w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=0;w[b++]=i>>>29&255;w[b++]=i>>21&255;w[b++]=i>>13&255;w[b++]=i>>5&255;w[b++]=i<<3&255;var C=new Array(80);for(b=0;b<80;b++)C[b]=new h(0,0);var _,x,A=new h(0,0),T=new h(0,0),R=new h(0,0),I=new h(0,0),P=new h(0,0),O=new h(0,0),E=new h(0,0),B=new h(0,0),D=new h(0,0),M=new h(0,0),L=new h(0,0),N=new h(0,0);for(b=0;b<k;){for(v=0;v<16;++v){C[v].high=w[b]<<24|w[b+1]<<16|w[b+2]<<8|w[b+3];C[v].low=w[b+4]<<24|w[b+5]<<16|w[b+6]<<8|w[b+7];b+=8}for(v=16;v<80;++v){littleSigmaPrime(_=C[v],C[v-2],N);_.add(C[v-7]);littleSigma(L,C[v-15],N);_.add(L);_.add(C[v-16])}A.assign(c);T.assign(l);R.assign(u);I.assign(d);P.assign(p);O.assign(m);E.assign(g);B.assign(y);for(v=0;v<80;++v){D.assign(B);sigmaPrime(L,P,N);D.add(L);ch(L,P,O,E,N);D.add(L);D.add(t[v]);D.add(C[v]);sigma(M,A,N);maj(L,A,T,R,N);M.add(L);_=B;B=E;E=O;O=P;I.add(D);P=I;I=R;R=T;T=A;_.assign(D);_.add(M);A=_}c.add(A);l.add(T);u.add(R);d.add(I);p.add(P);m.add(O);g.add(E);y.add(B)}if(o){x=new Uint8Array(48);c.copyTo(x,0);l.copyTo(x,8);u.copyTo(x,16);d.copyTo(x,24);p.copyTo(x,32);m.copyTo(x,40)}else{x=new Uint8Array(64);c.copyTo(x,0);l.copyTo(x,8);u.copyTo(x,16);d.copyTo(x,24);p.copyTo(x,32);m.copyTo(x,40);g.copyTo(x,48);y.copyTo(x,56)}return x}}();r.calculateSHA512=p;var m=function calculateSHA384Closure(){return function hash(t,r,a){return p(t,r,a,!0)}}();r.calculateSHA384=m;var g=function NullCipherClosure(){function NullCipher(){}NullCipher.prototype={decryptBlock:function NullCipher_decryptBlock(t){return t},encrypt:function NullCipher_encrypt(t){return t}};return NullCipher}(),y=function(){function AESBaseCipher(){_classCallCheck(this,AESBaseCipher);this.constructor===AESBaseCipher&&(0,i.unreachable)("Cannot initialize AESBaseCipher.");this._s=new Uint8Array([99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22]);this._inv_s=new Uint8Array([82,9,106,213,48,54,165,56,191,64,163,158,129,243,215,251,124,227,57,130,155,47,255,135,52,142,67,68,196,222,233,203,84,123,148,50,166,194,35,61,238,76,149,11,66,250,195,78,8,46,161,102,40,217,36,178,118,91,162,73,109,139,209,37,114,248,246,100,134,104,152,22,212,164,92,204,93,101,182,146,108,112,72,80,253,237,185,218,94,21,70,87,167,141,157,132,144,216,171,0,140,188,211,10,247,228,88,5,184,179,69,6,208,44,30,143,202,63,15,2,193,175,189,3,1,19,138,107,58,145,17,65,79,103,220,234,151,242,207,206,240,180,230,115,150,172,116,34,231,173,53,133,226,249,55,232,28,117,223,110,71,241,26,113,29,41,197,137,111,183,98,14,170,24,190,27,252,86,62,75,198,210,121,32,154,219,192,254,120,205,90,244,31,221,168,51,136,7,199,49,177,18,16,89,39,128,236,95,96,81,127,169,25,181,74,13,45,229,122,159,147,201,156,239,160,224,59,77,174,42,245,176,200,235,187,60,131,83,153,97,23,43,4,126,186,119,214,38,225,105,20,99,85,33,12,125]);this._mix=new Uint32Array([0,235474187,470948374,303765277,941896748,908933415,607530554,708780849,1883793496,2118214995,1817866830,1649639237,1215061108,1181045119,1417561698,1517767529,3767586992,4003061179,4236429990,4069246893,3635733660,3602770327,3299278474,3400528769,2430122216,2664543715,2362090238,2193862645,2835123396,2801107407,3035535058,3135740889,3678124923,3576870512,3341394285,3374361702,3810496343,3977675356,4279080257,4043610186,2876494627,2776292904,3076639029,3110650942,2472011535,2640243204,2403728665,2169303058,1001089995,899835584,666464733,699432150,59727847,226906860,530400753,294930682,1273168787,1172967064,1475418501,1509430414,1942435775,2110667444,1876241833,1641816226,2910219766,2743034109,2976151520,3211623147,2505202138,2606453969,2302690252,2269728455,3711829422,3543599269,3240894392,3475313331,3843699074,3943906441,4178062228,4144047775,1306967366,1139781709,1374988112,1610459739,1975683434,2076935265,1775276924,1742315127,1034867998,866637845,566021896,800440835,92987698,193195065,429456164,395441711,1984812685,2017778566,1784663195,1683407248,1315562145,1080094634,1383856311,1551037884,101039829,135050206,437757123,337553864,1042385657,807962610,573804783,742039012,2531067453,2564033334,2328828971,2227573024,2935566865,2700099354,3001755655,3168937228,3868552805,3902563182,4203181171,4102977912,3736164937,3501741890,3265478751,3433712980,1106041591,1340463100,1576976609,1408749034,2043211483,2009195472,1708848333,1809054150,832877231,1068351396,766945465,599762354,159417987,126454664,361929877,463180190,2709260871,2943682380,3178106961,3009879386,2572697195,2538681184,2236228733,2336434550,3509871135,3745345300,3441850377,3274667266,3910161971,3877198648,4110568485,4211818798,2597806476,2497604743,2261089178,2295101073,2733856160,2902087851,3202437046,2968011453,3936291284,3835036895,4136440770,4169408201,3535486456,3702665459,3467192302,3231722213,2051518780,1951317047,1716890410,1750902305,1113818384,1282050075,1584504582,1350078989,168810852,67556463,371049330,404016761,841739592,1008918595,775550814,540080725,3969562369,3801332234,4035489047,4269907996,3569255213,3669462566,3366754619,3332740144,2631065433,2463879762,2160117071,2395588676,2767645557,2868897406,3102011747,3069049960,202008497,33778362,270040487,504459436,875451293,975658646,675039627,641025152,2084704233,1917518562,1615861247,1851332852,1147550661,1248802510,1484005843,1451044056,933301370,967311729,733156972,632953703,260388950,25965917,328671808,496906059,1206477858,1239443753,1543208500,1441952575,2144161806,1908694277,1675577880,1842759443,3610369226,3644379585,3408119516,3307916247,4011190502,3776767469,4077384432,4245618683,2809771154,2842737049,3144396420,3043140495,2673705150,2438237621,2203032232,2370213795]);this._mixCol=new Uint8Array(256);for(var t=0;t<256;t++)this._mixCol[t]=t<128?t<<1:t<<1^27;this.buffer=new Uint8Array(16);this.bufferPosition=0}_createClass(AESBaseCipher,[{key:"_expandKey",value:function _expandKey(t){(0,i.unreachable)("Cannot call `_expandKey` on the base class")}},{key:"_decrypt",value:function _decrypt(t,r){var a,i,o,c=new Uint8Array(16);c.set(t);for(var l=0,u=this._keySize;l<16;++l,++u)c[l]^=r[u];for(var h=this._cyclesOfRepetition-1;h>=1;--h){a=c[13];c[13]=c[9];c[9]=c[5];c[5]=c[1];c[1]=a;a=c[14];i=c[10];c[14]=c[6];c[10]=c[2];c[6]=a;c[2]=i;a=c[15];i=c[11];o=c[7];c[15]=c[3];c[11]=a;c[7]=i;c[3]=o;for(var d=0;d<16;++d)c[d]=this._inv_s[c[d]];for(var p=0,m=16*h;p<16;++p,++m)c[p]^=r[m];for(var g=0;g<16;g+=4){var y=this._mix[c[g]],b=this._mix[c[g+1]],v=this._mix[c[g+2]],S=this._mix[c[g+3]];a=y^b>>>8^b<<24^v>>>16^v<<16^S>>>24^S<<8;c[g]=a>>>24&255;c[g+1]=a>>16&255;c[g+2]=a>>8&255;c[g+3]=255&a}}a=c[13];c[13]=c[9];c[9]=c[5];c[5]=c[1];c[1]=a;a=c[14];i=c[10];c[14]=c[6];c[10]=c[2];c[6]=a;c[2]=i;a=c[15];i=c[11];o=c[7];c[15]=c[3];c[11]=a;c[7]=i;c[3]=o;for(var k=0;k<16;++k){c[k]=this._inv_s[c[k]];c[k]^=r[k]}return c}},{key:"_encrypt",value:function _encrypt(t,r){var a,i,o,c=this._s,l=new Uint8Array(16);l.set(t);for(var u=0;u<16;++u)l[u]^=r[u];for(var h=1;h<this._cyclesOfRepetition;h++){for(var d=0;d<16;++d)l[d]=c[l[d]];o=l[1];l[1]=l[5];l[5]=l[9];l[9]=l[13];l[13]=o;o=l[2];i=l[6];l[2]=l[10];l[6]=l[14];l[10]=o;l[14]=i;o=l[3];i=l[7];a=l[11];l[3]=l[15];l[7]=o;l[11]=i;l[15]=a;for(var p=0;p<16;p+=4){var m=l[p+0],g=l[p+1],y=l[p+2],b=l[p+3];a=m^g^y^b;l[p+0]^=a^this._mixCol[m^g];l[p+1]^=a^this._mixCol[g^y];l[p+2]^=a^this._mixCol[y^b];l[p+3]^=a^this._mixCol[b^m]}for(var v=0,S=16*h;v<16;++v,++S)l[v]^=r[S]}for(var k=0;k<16;++k)l[k]=c[l[k]];o=l[1];l[1]=l[5];l[5]=l[9];l[9]=l[13];l[13]=o;o=l[2];i=l[6];l[2]=l[10];l[6]=l[14];l[10]=o;l[14]=i;o=l[3];i=l[7];a=l[11];l[3]=l[15];l[7]=o;l[11]=i;l[15]=a;for(var w=0,C=this._keySize;w<16;++w,++C)l[w]^=r[C];return l}},{key:"_decryptBlock2",value:function _decryptBlock2(t,r){for(var a=t.length,i=this.buffer,o=this.bufferPosition,c=[],l=this.iv,u=0;u<a;++u){i[o]=t[u];if(!(++o<16)){for(var h=this._decrypt(i,this._key),d=0;d<16;++d)h[d]^=l[d];l=i;c.push(h);i=new Uint8Array(16);o=0}}this.buffer=i;this.bufferLength=o;this.iv=l;if(0===c.length)return new Uint8Array(0);var p=16*c.length;if(r){var m=c[c.length-1],g=m[15];if(g<=16){for(var y=15,b=16-g;y>=b;--y)if(m[y]!==g){g=0;break}p-=g;c[c.length-1]=m.subarray(0,16-g)}}for(var v=new Uint8Array(p),S=0,k=0,w=c.length;S<w;++S,k+=16)v.set(c[S],k);return v}},{key:"decryptBlock",value:function decryptBlock(t,r){var a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=t.length,o=this.buffer,c=this.bufferPosition;if(a)this.iv=a;else{for(var l=0;c<16&&l<i;++l,++c)o[c]=t[l];if(c<16){this.bufferLength=c;return new Uint8Array(0)}this.iv=o;t=t.subarray(16)}this.buffer=new Uint8Array(16);this.bufferLength=0;this.decryptBlock=this._decryptBlock2;return this.decryptBlock(t,r)}},{key:"encrypt",value:function encrypt(t,r){var a=t.length,i=this.buffer,o=this.bufferPosition,c=[];r||(r=new Uint8Array(16));for(var l=0;l<a;++l){i[o]=t[l];if(!(++o<16)){for(var u=0;u<16;++u)i[u]^=r[u];var h=this._encrypt(i,this._key);r=h;c.push(h);i=new Uint8Array(16);o=0}}this.buffer=i;this.bufferLength=o;this.iv=r;if(0===c.length)return new Uint8Array(0);for(var d=16*c.length,p=new Uint8Array(d),m=0,g=0,y=c.length;m<y;++m,g+=16)p.set(c[m],g);return p}}]);return AESBaseCipher}(),b=function(t){_inherits(AES128Cipher,t);var r=_createSuper(AES128Cipher);function AES128Cipher(t){var a;_classCallCheck(this,AES128Cipher);(a=r.call(this))._cyclesOfRepetition=10;a._keySize=160;a._rcon=new Uint8Array([141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141,1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47,94,188,99,198,151,53,106,212,179,125,250,239,197,145,57,114,228,211,189,97,194,159,37,74,148,51,102,204,131,29,58,116,232,203,141]);a._key=a._expandKey(t);return a}_createClass(AES128Cipher,[{key:"_expandKey",value:function _expandKey(t){var r=this._s,a=this._rcon,i=new Uint8Array(176);i.set(t);for(var o=16,c=1;o<176;++c){var l=i[o-3],u=i[o-2],h=i[o-1],d=i[o-4];l=r[l];u=r[u];h=r[h];d=r[d];l^=a[c];for(var p=0;p<4;++p){i[o]=l^=i[o-16];i[++o]=u^=i[o-16];i[++o]=h^=i[o-16];i[++o]=d^=i[o-16];o++}}return i}}]);return AES128Cipher}(y);r.AES128Cipher=b;var v=function(t){_inherits(AES256Cipher,t);var r=_createSuper(AES256Cipher);function AES256Cipher(t){var a;_classCallCheck(this,AES256Cipher);(a=r.call(this))._cyclesOfRepetition=14;a._keySize=224;a._key=a._expandKey(t);return a}_createClass(AES256Cipher,[{key:"_expandKey",value:function _expandKey(t){var r=this._s,a=new Uint8Array(240);a.set(t);for(var i,o,c,l,u=1,h=32,d=1;h<240;++d){if(h%32==16){i=r[i];o=r[o];c=r[c];l=r[l]}else if(h%32==0){i=a[h-3];o=a[h-2];c=a[h-1];l=a[h-4];i=r[i];o=r[o];c=r[c];l=r[l];i^=u;(u<<=1)>=256&&(u=255&(27^u))}for(var p=0;p<4;++p){a[h]=i^=a[h-32];a[++h]=o^=a[h-32];a[++h]=c^=a[h-32];a[++h]=l^=a[h-32];h++}}return a}}]);return AES256Cipher}(y);r.AES256Cipher=v;var S=function PDF17Closure(){function compareByteArrays(t,r){if(t.length!==r.length)return!1;for(var a=0;a<t.length;a++)if(t[a]!==r[a])return!1;return!0}function PDF17(){}PDF17.prototype={checkOwnerPassword:function PDF17_checkOwnerPassword(t,r,a,i){var o=new Uint8Array(t.length+56);o.set(t,0);o.set(r,t.length);o.set(a,t.length+r.length);return compareByteArrays(d(o,0,o.length),i)},checkUserPassword:function PDF17_checkUserPassword(t,r,a){var i=new Uint8Array(t.length+8);i.set(t,0);i.set(r,t.length);return compareByteArrays(d(i,0,i.length),a)},getOwnerKey:function PDF17_getOwnerKey(t,r,a,i){var o=new Uint8Array(t.length+56);o.set(t,0);o.set(r,t.length);o.set(a,t.length+r.length);var c=d(o,0,o.length);return new v(c).decryptBlock(i,!1,new Uint8Array(16))},getUserKey:function PDF17_getUserKey(t,r,a){var i=new Uint8Array(t.length+8);i.set(t,0);i.set(r,t.length);var o=d(i,0,i.length);return new v(o).decryptBlock(a,!1,new Uint8Array(16))}};return PDF17}();r.PDF17=S;var k=function PDF20Closure(){function concatArrays(t,r){var a=new Uint8Array(t.length+r.length);a.set(t,0);a.set(r,t.length);return a}function calculatePDF20Hash(t,r,a){for(var i=d(r,0,r.length).subarray(0,32),o=[0],c=0;c<64||o[o.length-1]>c-32;){var l=t.length+i.length+a.length,u=new Uint8Array(64*l),h=concatArrays(t,i);h=concatArrays(h,a);for(var g=0,y=0;g<64;g++,y+=l)u.set(h,y);o=new b(i.subarray(0,16)).encrypt(u,i.subarray(16,32));for(var v=0,S=0;S<16;S++){v*=1;v%=3;v+=(o[S]>>>0)%3;v%=3}0===v?i=d(o,0,o.length):1===v?i=m(o,0,o.length):2===v&&(i=p(o,0,o.length));c++}return i.subarray(0,32)}function PDF20(){}function compareByteArrays(t,r){if(t.length!==r.length)return!1;for(var a=0;a<t.length;a++)if(t[a]!==r[a])return!1;return!0}PDF20.prototype={hash:function PDF20_hash(t,r,a){return calculatePDF20Hash(t,r,a)},checkOwnerPassword:function PDF20_checkOwnerPassword(t,r,a,i){var o=new Uint8Array(t.length+56);o.set(t,0);o.set(r,t.length);o.set(a,t.length+r.length);return compareByteArrays(calculatePDF20Hash(t,o,a),i)},checkUserPassword:function PDF20_checkUserPassword(t,r,a){var i=new Uint8Array(t.length+8);i.set(t,0);i.set(r,t.length);return compareByteArrays(calculatePDF20Hash(t,i,[]),a)},getOwnerKey:function PDF20_getOwnerKey(t,r,a,i){var o=new Uint8Array(t.length+56);o.set(t,0);o.set(r,t.length);o.set(a,t.length+r.length);var c=calculatePDF20Hash(t,o,a);return new v(c).decryptBlock(i,!1,new Uint8Array(16))},getUserKey:function PDF20_getUserKey(t,r,a){var i=new Uint8Array(t.length+8);i.set(t,0);i.set(r,t.length);var o=calculatePDF20Hash(t,i,[]);return new v(o).decryptBlock(a,!1,new Uint8Array(16))}};return PDF20}();r.PDF20=k;var w=function CipherTransformClosure(){function CipherTransform(t,r){this.StringCipherConstructor=t;this.StreamCipherConstructor=r}CipherTransform.prototype={createStream:function CipherTransform_createStream(t,r){var a=new this.StreamCipherConstructor;return new c.DecryptStream(t,r,(function cipherTransformDecryptStream(t,r){return a.decryptBlock(t,r)}))},decryptString:function CipherTransform_decryptString(t){var r=new this.StringCipherConstructor,a=(0,i.stringToBytes)(t);a=r.decryptBlock(a,!0);return(0,i.bytesToString)(a)},encryptString:function CipherTransform_encryptString(t){var r=new this.StringCipherConstructor;if(r instanceof y){var a=t.length,o=16-a%16;16!==o&&(t=t.padEnd(16*Math.ceil(a/16),String.fromCharCode(o)));var c=new Uint8Array(16);if("undefined"!=typeof crypto)crypto.getRandomValues(c);else for(var l=0;l<16;l++)c[l]=Math.floor(256*Math.random());var u=(0,i.stringToBytes)(t);u=r.encrypt(u,c);var h=new Uint8Array(16+u.length);h.set(c);h.set(u,16);return(0,i.bytesToString)(h)}var d=(0,i.stringToBytes)(t);d=r.encrypt(d);return(0,i.bytesToString)(d)}};return CipherTransform}(),C=function CipherTransformFactoryClosure(){var t=new Uint8Array([40,191,78,94,78,117,138,65,100,0,78,86,255,250,1,8,46,46,0,182,208,104,62,128,47,12,169,254,100,83,105,122]);function prepareKeyData(r,a,i,o,c,h,d,p){var m,g,y=40+i.length+r.length,b=new Uint8Array(y),v=0;if(a){g=Math.min(32,a.length);for(;v<g;++v)b[v]=a[v]}m=0;for(;v<32;)b[v++]=t[m++];for(m=0,g=i.length;m<g;++m)b[v++]=i[m];b[v++]=255&c;b[v++]=c>>8&255;b[v++]=c>>16&255;b[v++]=c>>>24&255;for(m=0,g=r.length;m<g;++m)b[v++]=r[m];if(h>=4&&!p){b[v++]=255;b[v++]=255;b[v++]=255;b[v++]=255}var S=u(b,0,v),k=d>>3;if(h>=3)for(m=0;m<50;++m)S=u(S,0,k);var w,C=S.subarray(0,k);if(h>=3){for(v=0;v<32;++v)b[v]=t[v];for(m=0,g=r.length;m<g;++m)b[v++]=r[m];w=new l(C).encryptBlock(u(b,0,v));g=C.length;var _,x=new Uint8Array(g);for(m=1;m<=19;++m){for(_=0;_<g;++_)x[_]=C[_]^m;w=new l(x).encryptBlock(w)}for(m=0,g=w.length;m<g;++m)if(o[m]!==w[m])return null}else for(m=0,g=(w=new l(C).encryptBlock(t)).length;m<g;++m)if(o[m]!==w[m])return null;return C}var r=o.Name.get("Identity");function CipherTransformFactory(a,c,h){var d=a.get("Filter");if(!(0,o.isName)(d,"Standard"))throw new i.FormatError("unknown encryption method");this.dict=a;var p=a.get("V");if(!Number.isInteger(p)||1!==p&&2!==p&&4!==p&&5!==p)throw new i.FormatError("unsupported encryption algorithm");this.algorithm=p;var m=a.get("Length");if(!m)if(p<=3)m=40;else{var g=a.get("CF"),y=a.get("StmF");if((0,o.isDict)(g)&&(0,o.isName)(y)){g.suppressEncryption=!0;var b=g.get(y.name);(m=b&&b.get("Length")||128)<40&&(m<<=3)}}if(!Number.isInteger(m)||m<40||m%8!=0)throw new i.FormatError("invalid key length");var v=(0,i.stringToBytes)(a.get("O")).subarray(0,32),w=(0,i.stringToBytes)(a.get("U")).subarray(0,32),C=a.get("P"),_=a.get("R"),x=(4===p||5===p)&&!1!==a.get("EncryptMetadata");this.encryptMetadata=x;var A,T,R=(0,i.stringToBytes)(c);if(h){if(6===_)try{h=(0,i.utf8StringToString)(h)}catch(t){(0,i.warn)("CipherTransformFactory: Unable to convert UTF8 encoded password.")}A=(0,i.stringToBytes)(h)}if(5!==p)T=prepareKeyData(R,A,v,w,C,_,m,x);else{var I=(0,i.stringToBytes)(a.get("O")).subarray(32,40),P=(0,i.stringToBytes)(a.get("O")).subarray(40,48),O=(0,i.stringToBytes)(a.get("U")).subarray(0,48),E=(0,i.stringToBytes)(a.get("U")).subarray(32,40),B=(0,i.stringToBytes)(a.get("U")).subarray(40,48),D=(0,i.stringToBytes)(a.get("OE")),M=(0,i.stringToBytes)(a.get("UE"));(0,i.stringToBytes)(a.get("Perms"));T=function createEncryptionKey20(t,r,a,i,o,c,l,u,h,d,p,m){if(r){var g=Math.min(127,r.length);r=r.subarray(0,g)}else r=[];var y;return(y=6===t?new k:new S).checkUserPassword(r,u,l)?y.getUserKey(r,h,p):r.length&&y.checkOwnerPassword(r,i,c,a)?y.getOwnerKey(r,o,c,d):null}(_,A,v,I,P,O,w,E,B,D,M)}if(!T&&!h)throw new i.PasswordException("No password given",i.PasswordResponses.NEED_PASSWORD);if(!T&&h){T=prepareKeyData(R,function decodeUserPassword(r,a,i,o){var c,h,d=new Uint8Array(32),p=0;h=Math.min(32,r.length);for(;p<h;++p)d[p]=r[p];c=0;for(;p<32;)d[p++]=t[c++];var m,g=u(d,0,p),y=o>>3;if(i>=3)for(c=0;c<50;++c)g=u(g,0,g.length);if(i>=3){m=a;var b,v=new Uint8Array(y);for(c=19;c>=0;c--){for(b=0;b<y;++b)v[b]=g[b]^c;m=new l(v).encryptBlock(m)}}else m=new l(g.subarray(0,y)).encryptBlock(a);return m}(A,v,_,m),v,w,C,_,m,x)}if(!T)throw new i.PasswordException("Incorrect Password",i.PasswordResponses.INCORRECT_PASSWORD);this.encryptionKey=T;if(p>=4){var L=a.get("CF");(0,o.isDict)(L)&&(L.suppressEncryption=!0);this.cf=L;this.stmf=a.get("StmF")||r;this.strf=a.get("StrF")||r;this.eff=a.get("EFF")||this.stmf}}function buildObjectKey(t,r,a,i){var o,c,l=new Uint8Array(a.length+9);for(o=0,c=a.length;o<c;++o)l[o]=a[o];l[o++]=255&t;l[o++]=t>>8&255;l[o++]=t>>16&255;l[o++]=255&r;l[o++]=r>>8&255;if(i){l[o++]=115;l[o++]=65;l[o++]=108;l[o++]=84}return u(l,0,o).subarray(0,Math.min(a.length+5,16))}function buildCipherConstructor(t,r,a,c,u){if(!(0,o.isName)(r))throw new i.FormatError("Invalid crypt filter name.");var h,d=t.get(r.name);null!=d&&(h=d.get("CFM"));if(!h||"None"===h.name)return function cipherTransformFactoryBuildCipherConstructorNone(){return new g};if("V2"===h.name)return function cipherTransformFactoryBuildCipherConstructorV2(){return new l(buildObjectKey(a,c,u,!1))};if("AESV2"===h.name)return function cipherTransformFactoryBuildCipherConstructorAESV2(){return new b(buildObjectKey(a,c,u,!0))};if("AESV3"===h.name)return function cipherTransformFactoryBuildCipherConstructorAESV3(){return new v(u)};throw new i.FormatError("Unknown crypto method")}CipherTransformFactory.prototype={createCipherTransform:function CipherTransformFactory_createCipherTransform(t,r){if(4===this.algorithm||5===this.algorithm)return new w(buildCipherConstructor(this.cf,this.stmf,t,r,this.encryptionKey),buildCipherConstructor(this.cf,this.strf,t,r,this.encryptionKey));var a=buildObjectKey(t,r,this.encryptionKey,!1),i=function buildCipherCipherConstructor(){return new l(a)};return new w(i,i)}};return CipherTransformFactory}();r.CipherTransformFactory=C},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.ColorSpace=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(202),l=a(205);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var u=function(){function ColorSpace(t,r){_classCallCheck(this,ColorSpace);this.constructor===ColorSpace&&(0,o.unreachable)("Cannot initialize ColorSpace.");this.name=t;this.numComps=r}_createClass(ColorSpace,[{key:"getRgb",value:function getRgb(t,r){var a=new Uint8ClampedArray(3);this.getRgbItem(t,r,a,0);return a}},{key:"getRgbItem",value:function getRgbItem(t,r,a,i){(0,o.unreachable)("Should not call ColorSpace.getRgbItem")}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,c,l,u){(0,o.unreachable)("Should not call ColorSpace.getRgbBuffer")}},{key:"getOutputLength",value:function getOutputLength(t,r){(0,o.unreachable)("Should not call ColorSpace.getOutputLength")}},{key:"isPassthrough",value:function isPassthrough(t){return!1}},{key:"isDefaultDecode",value:function isDefaultDecode(t,r){return ColorSpace.isDefaultDecode(t,this.numComps)}},{key:"fillRgb",value:function fillRgb(t,r,a,i,o,c,l,u,h){var d=r*a,p=null,m=1<<l,g=a!==o||r!==i;if(this.isPassthrough(l))p=u;else if(1===this.numComps&&d>m&&"DeviceGray"!==this.name&&"DeviceRGB"!==this.name){for(var y=l<=8?new Uint8Array(m):new Uint16Array(m),b=0;b<m;b++)y[b]=b;var v=new Uint8ClampedArray(3*m);this.getRgbBuffer(y,0,m,v,0,l,0);if(g){p=new Uint8Array(3*d);for(var S=0,k=0;k<d;++k){var w=3*u[k];p[S++]=v[w];p[S++]=v[w+1];p[S++]=v[w+2]}}else for(var C=0,_=0;_<d;++_){var x=3*u[_];t[C++]=v[x];t[C++]=v[x+1];t[C++]=v[x+2];C+=h}}else if(g){p=new Uint8ClampedArray(3*d);this.getRgbBuffer(u,0,d,p,0,l,0)}else this.getRgbBuffer(u,0,i*c,t,0,l,h);if(p)if(g)!function resizeRgbImage(t,r,a,i,o,c,l){l=1!==l?0:l;for(var u,h=a/o,d=i/c,p=0,m=new Uint16Array(o),g=3*a,y=0;y<o;y++)m[y]=3*Math.floor(y*h);for(var b=0;b<c;b++)for(var v=Math.floor(b*d)*g,S=0;S<o;S++){u=v+m[S];r[p++]=t[u++];r[p++]=t[u++];r[p++]=t[u++];p+=l}}(p,t,r,a,i,o,h);else for(var A=0,T=0,R=0,I=i*c;R<I;R++){t[A++]=p[T++];t[A++]=p[T++];t[A++]=p[T++];A+=h}}},{key:"usesZeroToOneRange",get:function get(){return(0,o.shadow)(this,"usesZeroToOneRange",!0)}}],[{key:"_cache",value:function _cache(t,r,a,i){if(!a)throw new Error('ColorSpace._cache - expected "localColorSpaceCache" argument.');if(!i)throw new Error('ColorSpace._cache - expected "parsedColorSpace" argument.');var o,l;if(t instanceof c.Ref){l=t;t=r.fetch(t)}t instanceof c.Name&&(o=t.name);(o||l)&&a.set(o,l,i)}},{key:"getCached",value:function getCached(t,r,a){if(!a)throw new Error('ColorSpace.getCached - expected "localColorSpaceCache" argument.');if(t instanceof c.Ref){var i=a.getByRef(t);if(i)return i;try{t=r.fetch(t)}catch(t){if(t instanceof l.MissingDataException)throw t}}if(t instanceof c.Name){var o=a.getByName(t.name);if(o)return o}return null}},{key:"parseAsync",value:(t=function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}(i.default.mark((function _callee(t){var r,a,o,c,l,u,h;return i.default.wrap((function _callee$(i){for(;;)switch(i.prev=i.next){case 0:r=t.cs,a=t.xref,o=t.resources,c=void 0===o?null:o,l=t.pdfFunctionFactory,u=t.localColorSpaceCache;h=this._parse(r,a,c,l);this._cache(r,a,u,h);return i.abrupt("return",h);case 4:case"end":return i.stop()}}),_callee,this)}))),function parseAsync(r){return t.apply(this,arguments)})},{key:"parse",value:function parse(t){var r=t.cs,a=t.xref,i=t.resources,o=void 0===i?null:i,c=t.pdfFunctionFactory,l=t.localColorSpaceCache,u=this.getCached(r,a,l);if(u)return u;var h=this._parse(r,a,o,c);this._cache(r,a,l,h);return h}},{key:"_parse",value:function _parse(t,r){var a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=arguments.length>3?arguments[3]:void 0;t=r.fetchIfRef(t);if((0,c.isName)(t))switch(t.name){case"DeviceGray":case"G":return this.singletons.gray;case"DeviceRGB":case"RGB":return this.singletons.rgb;case"DeviceCMYK":case"CMYK":return this.singletons.cmyk;case"Pattern":return new d(null);default:if((0,c.isDict)(a)){var l=a.get("ColorSpace");if((0,c.isDict)(l)){var u=l.get(t.name);if(u){if((0,c.isName)(u))return this._parse(u,r,a,i);t=u;break}}}throw new o.FormatError("Unrecognized ColorSpace: ".concat(t.name))}if(Array.isArray(t)){var m,g,y,k,w,C,_=r.fetchIfRef(t[0]).name;switch(_){case"DeviceGray":case"G":return this.singletons.gray;case"DeviceRGB":case"RGB":return this.singletons.rgb;case"DeviceCMYK":case"CMYK":return this.singletons.cmyk;case"CalGray":k=(m=r.fetchIfRef(t[1])).getArray("WhitePoint");w=m.getArray("BlackPoint");C=m.get("Gamma");return new b(k,w,C);case"CalRGB":k=(m=r.fetchIfRef(t[1])).getArray("WhitePoint");w=m.getArray("BlackPoint");C=m.getArray("Gamma");var x=m.getArray("Matrix");return new v(k,w,C,x);case"ICCBased":var A=r.fetchIfRef(t[1]),T=A.dict;g=T.get("N");var R=T.get("Alternate");if(R){var I=this._parse(R,r,a,i);if(I.numComps===g)return I;(0,o.warn)("ICCBased color space: Ignoring incorrect /Alternate entry.")}if(1===g)return this.singletons.gray;if(3===g)return this.singletons.rgb;if(4===g)return this.singletons.cmyk;break;case"Pattern":(y=t[1]||null)&&(y=this._parse(y,r,a,i));return new d(y);case"Indexed":case"I":y=this._parse(t[1],r,a,i);var P=r.fetchIfRef(t[2])+1,O=r.fetchIfRef(t[3]);return new p(y,P,O);case"Separation":case"DeviceN":var E=r.fetchIfRef(t[1]);g=Array.isArray(E)?E.length:1;y=this._parse(t[2],r,a,i);var B=i.create(t[3]);return new h(g,y,B);case"Lab":k=(m=r.fetchIfRef(t[1])).getArray("WhitePoint");w=m.getArray("BlackPoint");var D=m.getArray("Range");return new S(k,w,D);default:throw new o.FormatError("Unimplemented ColorSpace object: ".concat(_))}}throw new o.FormatError("Unrecognized ColorSpace object: ".concat(t))}},{key:"isDefaultDecode",value:function isDefaultDecode(t,r){if(!Array.isArray(t))return!0;if(2*r!==t.length){(0,o.warn)("The decode map is not the correct length");return!0}for(var a=0,i=t.length;a<i;a+=2)if(0!==t[a]||1!==t[a+1])return!1;return!0}},{key:"singletons",get:function get(){return(0,o.shadow)(this,"singletons",{get gray(){return(0,o.shadow)(this,"gray",new m)},get rgb(){return(0,o.shadow)(this,"rgb",new g)},get cmyk(){return(0,o.shadow)(this,"cmyk",new y)}})}}]);var t;return ColorSpace}();r.ColorSpace=u;var h=function(t){_inherits(AlternateCS,t);var r=_createSuper(AlternateCS);function AlternateCS(t,a,i){var o;_classCallCheck(this,AlternateCS);(o=r.call(this,"Alternate",t)).base=a;o.tintFn=i;o.tmpBuf=new Float32Array(a.numComps);return o}_createClass(AlternateCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){var o=this.tmpBuf;this.tintFn(t,r,o,0);this.base.getRgbItem(o,0,a,i)}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){var u,h,d=this.tintFn,p=this.base,m=1/((1<<c)-1),g=p.numComps,y=p.usesZeroToOneRange,b=(p.isPassthrough(8)||!y)&&0===l,v=b?o:0,S=b?i:new Uint8ClampedArray(g*a),k=this.numComps,w=new Float32Array(k),C=new Float32Array(g);for(u=0;u<a;u++){for(h=0;h<k;h++)w[h]=t[r++]*m;d(w,0,C,0);if(y)for(h=0;h<g;h++)S[v++]=255*C[h];else{p.getRgbItem(C,0,S,v);v+=g}}b||p.getRgbBuffer(S,0,a,i,o,8,l)}},{key:"getOutputLength",value:function getOutputLength(t,r){return this.base.getOutputLength(t*this.base.numComps/this.numComps,r)}}]);return AlternateCS}(u),d=function(t){_inherits(PatternCS,t);var r=_createSuper(PatternCS);function PatternCS(t){var a;_classCallCheck(this,PatternCS);(a=r.call(this,"Pattern",null)).base=t;return a}_createClass(PatternCS,[{key:"isDefaultDecode",value:function isDefaultDecode(t,r){(0,o.unreachable)("Should not call PatternCS.isDefaultDecode")}}]);return PatternCS}(u),p=function(t){_inherits(IndexedCS,t);var r=_createSuper(IndexedCS);function IndexedCS(t,a,i){var l;_classCallCheck(this,IndexedCS);(l=r.call(this,"Indexed",1)).base=t;l.highVal=a;var u=t.numComps*a;l.lookup=new Uint8Array(u);if((0,c.isStream)(i)){var h=i.getBytes(u);l.lookup.set(h)}else{if("string"!=typeof i)throw new o.FormatError("IndexedCS - unrecognized lookup table: ".concat(i));for(var d=0;d<u;++d)l.lookup[d]=255&i.charCodeAt(d)}return l}_createClass(IndexedCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){var o=this.base.numComps,c=t[r]*o;this.base.getRgbBuffer(this.lookup,c,1,a,i,8,0)}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){for(var u=this.base,h=u.numComps,d=u.getOutputLength(h,l),p=this.lookup,m=0;m<a;++m){var g=t[r++]*h;u.getRgbBuffer(p,g,1,i,o,8,l);o+=d}}},{key:"getOutputLength",value:function getOutputLength(t,r){return this.base.getOutputLength(t*this.base.numComps,r)}},{key:"isDefaultDecode",value:function isDefaultDecode(t,r){if(!Array.isArray(t))return!0;if(2!==t.length){(0,o.warn)("Decode map length is not correct");return!0}if(!Number.isInteger(r)||r<1){(0,o.warn)("Bits per component is not correct");return!0}return 0===t[0]&&t[1]===(1<<r)-1}}]);return IndexedCS}(u),m=function(t){_inherits(DeviceGrayCS,t);var r=_createSuper(DeviceGrayCS);function DeviceGrayCS(){_classCallCheck(this,DeviceGrayCS);return r.call(this,"DeviceGray",1)}_createClass(DeviceGrayCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){var o=255*t[r];a[i]=a[i+1]=a[i+2]=o}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){for(var u=255/((1<<c)-1),h=r,d=o,p=0;p<a;++p){var m=u*t[h++];i[d++]=m;i[d++]=m;i[d++]=m;d+=l}}},{key:"getOutputLength",value:function getOutputLength(t,r){return t*(3+r)}}]);return DeviceGrayCS}(u),g=function(t){_inherits(DeviceRgbCS,t);var r=_createSuper(DeviceRgbCS);function DeviceRgbCS(){_classCallCheck(this,DeviceRgbCS);return r.call(this,"DeviceRGB",3)}_createClass(DeviceRgbCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){a[i]=255*t[r];a[i+1]=255*t[r+1];a[i+2]=255*t[r+2]}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){if(8!==c||0!==l)for(var u=255/((1<<c)-1),h=r,d=o,p=0;p<a;++p){i[d++]=u*t[h++];i[d++]=u*t[h++];i[d++]=u*t[h++];d+=l}else i.set(t.subarray(r,r+3*a),o)}},{key:"getOutputLength",value:function getOutputLength(t,r){return t*(3+r)/3|0}},{key:"isPassthrough",value:function isPassthrough(t){return 8===t}}]);return DeviceRgbCS}(u),y=function DeviceCmykCSClosure(){function convertToRgb(t,r,a,i,o){var c=t[r]*a,l=t[r+1]*a,u=t[r+2]*a,h=t[r+3]*a;i[o]=255+c*(-4.387332384609988*c+54.48615194189176*l+18.82290502165302*u+212.25662451639585*h-285.2331026137004)+l*(1.7149763477362134*l-5.6096736904047315*u+-17.873870861415444*h-5.497006427196366)+u*(-2.5217340131683033*u-21.248923337353073*h+17.5119270841813)+h*(-21.86122147463605*h-189.48180835922747);i[o+1]=255+c*(8.841041422036149*c+60.118027045597366*l+6.871425592049007*u+31.159100130055922*h-79.2970844816548)+l*(-15.310361306967817*l+17.575251261109482*u+131.35250912493976*h-190.9453302588951)+u*(4.444339102852739*u+9.8632861493405*h-24.86741582555878)+h*(-20.737325471181034*h-187.80453709719578);i[o+2]=255+c*(.8842522430003296*c+8.078677503112928*l+30.89978309703729*u-.23883238689178934*h-14.183576799673286)+l*(10.49593273432072*l+63.02378494754052*u+50.606957656360734*h-112.23884253719248)+u*(.03296041114873217*u+115.60384449646641*h-193.58209356861505)+h*(-22.33816807309886*h-180.12613974708367)}return function(t){_inherits(DeviceCmykCS,t);var r=_createSuper(DeviceCmykCS);function DeviceCmykCS(){_classCallCheck(this,DeviceCmykCS);return r.call(this,"DeviceCMYK",4)}_createClass(DeviceCmykCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){convertToRgb(t,r,1,a,i)}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){for(var u=1/((1<<c)-1),h=0;h<a;h++){convertToRgb(t,r,u,i,o);r+=4;o+=3+l}}},{key:"getOutputLength",value:function getOutputLength(t,r){return t/4*(3+r)|0}}]);return DeviceCmykCS}(u)}(),b=function CalGrayCSClosure(){function convertToRgb(t,r,a,i,o,c){var l=r[a]*c,u=Math.pow(l,t.G),h=t.YW*u,d=Math.max(295.8*Math.pow(h,.3333333333333333)-40.8,0);i[o]=d;i[o+1]=d;i[o+2]=d}return function(t){_inherits(CalGrayCS,t);var r=_createSuper(CalGrayCS);function CalGrayCS(t,a,i){var c;_classCallCheck(this,CalGrayCS);c=r.call(this,"CalGray",1);if(!t)throw new o.FormatError("WhitePoint missing - required for color space CalGray");a=a||[0,0,0];i=i||1;c.XW=t[0];c.YW=t[1];c.ZW=t[2];c.XB=a[0];c.YB=a[1];c.ZB=a[2];c.G=i;if(c.XW<0||c.ZW<0||1!==c.YW)throw new o.FormatError("Invalid WhitePoint components for ".concat(c.name)+", no fallback available");if(c.XB<0||c.YB<0||c.ZB<0){(0,o.info)("Invalid BlackPoint for ".concat(c.name,", falling back to default."));c.XB=c.YB=c.ZB=0}0===c.XB&&0===c.YB&&0===c.ZB||(0,o.warn)("".concat(c.name,", BlackPoint: XB: ").concat(c.XB,", YB: ").concat(c.YB,", ")+"ZB: ".concat(c.ZB,", only default values are supported."));if(c.G<1){(0,o.info)("Invalid Gamma: ".concat(c.G," for ").concat(c.name,", ")+"falling back to default.");c.G=1}return c}_createClass(CalGrayCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){convertToRgb(this,t,r,a,i,1)}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){for(var u=1/((1<<c)-1),h=0;h<a;++h){convertToRgb(this,t,r,i,o,u);r+=1;o+=3+l}}},{key:"getOutputLength",value:function getOutputLength(t,r){return t*(3+r)}}]);return CalGrayCS}(u)}(),v=function CalRGBCSClosure(){var t=new Float32Array([.8951,.2664,-.1614,-.7502,1.7135,.0367,.0389,-.0685,1.0296]),r=new Float32Array([.9869929,-.1470543,.1599627,.4323053,.5183603,.0492912,-.0085287,.0400428,.9684867]),a=new Float32Array([3.2404542,-1.5371385,-.4985314,-.969266,1.8760108,.041556,.0556434,-.2040259,1.0572252]),i=new Float32Array([1,1,1]),c=new Float32Array(3),l=new Float32Array(3),h=new Float32Array(3),d=Math.pow(24/116,3)/8;function matrixProduct(t,r,a){a[0]=t[0]*r[0]+t[1]*r[1]+t[2]*r[2];a[1]=t[3]*r[0]+t[4]*r[1]+t[5]*r[2];a[2]=t[6]*r[0]+t[7]*r[1]+t[8]*r[2]}function sRGBTransferFunction(t){return t<=.0031308?adjustToRange(0,1,12.92*t):t>=.99554525?1:adjustToRange(0,1,1.055*Math.pow(t,1/2.4)-.055)}function adjustToRange(t,r,a){return Math.max(t,Math.min(r,a))}function decodeL(t){return t<0?-decodeL(-t):t>8?Math.pow((t+16)/116,3):t*d}function convertToRgb(o,u,d,p,m,g){var y=adjustToRange(0,1,u[d]*g),b=adjustToRange(0,1,u[d+1]*g),v=adjustToRange(0,1,u[d+2]*g),S=1===y?1:Math.pow(y,o.GR),k=1===b?1:Math.pow(b,o.GG),w=1===v?1:Math.pow(v,o.GB),C=o.MXA*S+o.MXB*k+o.MXC*w,_=o.MYA*S+o.MYB*k+o.MYC*w,x=o.MZA*S+o.MZB*k+o.MZC*w,A=l;A[0]=C;A[1]=_;A[2]=x;var T=h;!function normalizeWhitePointToFlat(a,i,o){if(1!==a[0]||1!==a[2]){var l=o;matrixProduct(t,i,l);var u=c;!function convertToFlat(t,r,a){a[0]=1*r[0]/t[0];a[1]=1*r[1]/t[1];a[2]=1*r[2]/t[2]}(a,l,u);matrixProduct(r,u,o)}else{o[0]=i[0];o[1]=i[1];o[2]=i[2]}}(o.whitePoint,A,T);var R=l;!function compensateBlackPoint(t,r,a){if(0!==t[0]||0!==t[1]||0!==t[2]){var i=decodeL(0),o=(1-i)/(1-decodeL(t[0])),c=1-o,l=(1-i)/(1-decodeL(t[1])),u=1-l,h=(1-i)/(1-decodeL(t[2])),d=1-h;a[0]=r[0]*o+c;a[1]=r[1]*l+u;a[2]=r[2]*h+d}else{a[0]=r[0];a[1]=r[1];a[2]=r[2]}}(o.blackPoint,T,R);var I=h;!function normalizeWhitePointToD65(a,i,o){var l=o;matrixProduct(t,i,l);var u=c;!function convertToD65(t,r,a){a[0]=.95047*r[0]/t[0];a[1]=1*r[1]/t[1];a[2]=1.08883*r[2]/t[2]}(a,l,u);matrixProduct(r,u,o)}(i,R,I);var P=l;matrixProduct(a,I,P);p[m]=255*sRGBTransferFunction(P[0]);p[m+1]=255*sRGBTransferFunction(P[1]);p[m+2]=255*sRGBTransferFunction(P[2])}return function(t){_inherits(CalRGBCS,t);var r=_createSuper(CalRGBCS);function CalRGBCS(t,a,i,c){var l;_classCallCheck(this,CalRGBCS);l=r.call(this,"CalRGB",3);if(!t)throw new o.FormatError("WhitePoint missing - required for color space CalRGB");a=a||new Float32Array(3);i=i||new Float32Array([1,1,1]);c=c||new Float32Array([1,0,0,0,1,0,0,0,1]);var u=t[0],h=t[1],d=t[2];l.whitePoint=t;var p=a[0],m=a[1],g=a[2];l.blackPoint=a;l.GR=i[0];l.GG=i[1];l.GB=i[2];l.MXA=c[0];l.MYA=c[1];l.MZA=c[2];l.MXB=c[3];l.MYB=c[4];l.MZB=c[5];l.MXC=c[6];l.MYC=c[7];l.MZC=c[8];if(u<0||d<0||1!==h)throw new o.FormatError("Invalid WhitePoint components for ".concat(l.name)+", no fallback available");if(p<0||m<0||g<0){(0,o.info)("Invalid BlackPoint for ".concat(l.name," [").concat(p,", ").concat(m,", ").concat(g,"], ")+"falling back to default.");l.blackPoint=new Float32Array(3)}if(l.GR<0||l.GG<0||l.GB<0){(0,o.info)("Invalid Gamma [".concat(l.GR,", ").concat(l.GG,", ").concat(l.GB,"] for ")+"".concat(l.name,", falling back to default."));l.GR=l.GG=l.GB=1}return l}_createClass(CalRGBCS,[{key:"getRgbItem",value:function getRgbItem(t,r,a,i){convertToRgb(this,t,r,a,i,1)}},{key:"getRgbBuffer",value:function getRgbBuffer(t,r,a,i,o,c,l){for(var u=1/((1<<c)-1),h=0;h<a;++h){convertToRgb(this,t,r,i,o,u);r+=3;o+=3+l}}},{key:"getOutputLength",value:function getOutputLength(t,r){return t*(3+r)/3|0}}]);return CalRGBCS}(u)}(),S=function LabCSClosure(){function fn_g(t){return t>=6/29?t*t*t:108/841*(t-4/29)}function decode(t,r,a,i){return a+t*(i-a)/r}function convertToRgb(t,r,a,i,o,c){var l=r[a],u=r[a+1],h=r[a+2];if(!1!==i){l=decode(l,i,0,100);u=decode(u,i,t.amin,t.amax);h=decode(h,i,t.bmin,t.bmax)}u>t.amax?u=t.amax:u<t.amin&&(u=t.amin);h>t.bmax?h=t.bmax:h<t.bmin&&(h=t.bmin);var d,p,m,g=(l+16)/116,y=g+u/500,b=g-h/200,v=t.XW*fn_g(y),S=t.YW*fn_g(g),k=t.ZW*fn_g(b);if(t.ZW<1){d=3.1339*v+-1.617*S+-.4906*k;p=-.9785*v+1.916*S+.0333*k;m=.072*v+-.229*S+1.4057*k}else{d=3.2406*v+-1.5372*S+-.4986*k;p=-.9689*v+1.8758*S+.0415*k;m=.0557*v+-.204*S+1.057*k}o[c]=255*Math.sqrt(d);o[c+1]=255*Math.sqrt(p);o[c+2]=255*Math.sqrt(m)}return function(t){_inherits(LabCS,t);var r=_createSuper(LabCS);function LabCS(t,a,i){var c;_classCallCheck(this,LabCS);c=r.call(this,"Lab",3);if(!t)throw new o.FormatError("WhitePoint missing - required for color space Lab");a=a||[0,0,0];i=i||[-100,100,-100,100];c.XW=t[0];c.YW=t[1];c.ZW=t[2];c.amin=i[0];c.amax=i[1];c.bmin=i[2];c.bmax=i[3];c.XB=a[0];c.YB=a[1];c.ZB=a[2];if(c.XW<0||c.ZW<0||1!==c.YW)throw new o.FormatError("Invalid WhitePoint components, no fallback 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AnnotationFactory(){_classCallCheck(this,AnnotationFactory)}_createClass(AnnotationFactory,null,[{key:"create",value:function create(t,r,a,i){var o=this;return a.ensureCatalog("acroForm").then((function(c){return a.ensure(o,"_create",[t,r,a,i,c])}))}},{key:"_create",value:function _create(t,r,a,i,c){var u=t.fetchIfRef(r);if((0,l.isDict)(u)){var d=(0,l.isRef)(r)?r.toString():"annot_".concat(i.createObjId()),p=u.get("Subtype"),m={xref:t,ref:r,dict:u,subtype:p=(0,l.isName)(p)?p.name:null,id:d,pdfManager:a,acroForm:c instanceof l.Dict?c:l.Dict.empty};switch(p){case"Link":return new x(m);case"Text":return new _(m);case"Widget":var g=(0,h.getInheritableProperty)({dict:u,key:"FT"});switch(g=(0,l.isName)(g)?g.name:null){case"Tx":return new k(m);case"Btn":return new w(m);case"Ch":return new C(m)}(0,o.warn)('Unimplemented widget field type "'+g+'", falling back to base field type.');return new S(m);case"Popup":return new A(m);case"FreeText":return new T(m);case"Line":return new R(m);case"Square":return new I(m);case"Circle":return new P(m);case"PolyLine":return new O(m);case"Polygon":return new E(m);case"Caret":return new B(m);case"Ink":return new D(m);case"Highlight":return new M(m);case"Underline":return new L(m);case"Squiggly":return new N(m);case"StrikeOut":return new U(m);case"Stamp":return new j(m);case"FileAttachment":return new q(m);default:p?(0,o.warn)('Unimplemented annotation type "'+p+'", falling back to base annotation.'):(0,o.warn)("Annotation is missing the required /Subtype.");return new y(m)}}}}]);return AnnotationFactory}();r.AnnotationFactory=g;function getQuadPoints(t,r){if(!t.has("QuadPoints"))return null;var a=t.getArray("QuadPoints");if(!Array.isArray(a)||a.length%8>0)return null;for(var i=[],o=0,c=a.length/8;o<c;o++){i.push([]);for(var l=8*o,u=8*o+8;l<u;l+=2){var h=a[l],d=a[l+1];if(h<r[0]||h>r[2]||d<r[1]||d>r[3])return null;i[o].push({x:h,y:d})}}return i}function getTransformMatrix(t,r,a){var i=_slicedToArray(o.Util.getAxialAlignedBoundingBox(r,a),4),c=i[0],l=i[1],u=i[2],h=i[3];if(c===u||l===h)return[1,0,0,1,t[0],t[1]];var d=(t[2]-t[0])/(u-c),p=(t[3]-t[1])/(h-l);return[d,0,0,p,t[0]-c*d,t[1]-l*p]}var y=function(){function Annotation(t){_classCallCheck(this,Annotation);var r=t.dict;this.setContents(r.get("Contents"));this.setModificationDate(r.get("M"));this.setFlags(r.get("F"));this.setRectangle(r.getArray("Rect"));this.setColor(r.getArray("C"));this.setBorderStyle(r);this.setAppearance(r);this.data={annotationFlags:this.flags,borderStyle:this.borderStyle,color:this.color,contents:this.contents,hasAppearance:!!this.appearance,id:t.id,modificationDate:this.modificationDate,rect:this.rectangle,subtype:t.subtype}}_createClass(Annotation,[{key:"_hasFlag",value:function _hasFlag(t,r){return!!(t&r)}},{key:"_isViewable",value:function _isViewable(t){return!this._hasFlag(t,o.AnnotationFlag.INVISIBLE)&&!this._hasFlag(t,o.AnnotationFlag.HIDDEN)&&!this._hasFlag(t,o.AnnotationFlag.NOVIEW)}},{key:"_isPrintable",value:function _isPrintable(t){return this._hasFlag(t,o.AnnotationFlag.PRINT)&&!this._hasFlag(t,o.AnnotationFlag.INVISIBLE)&&!this._hasFlag(t,o.AnnotationFlag.HIDDEN)}},{key:"setContents",value:function setContents(t){this.contents=(0,o.stringToPDFString)(t||"")}},{key:"setModificationDate",value:function setModificationDate(t){this.modificationDate=(0,o.isString)(t)?t:null}},{key:"setFlags",value:function setFlags(t){this.flags=Number.isInteger(t)&&t>0?t:0}},{key:"hasFlag",value:function hasFlag(t){return this._hasFlag(this.flags,t)}},{key:"setRectangle",value:function setRectangle(t){Array.isArray(t)&&4===t.length?this.rectangle=o.Util.normalizeRect(t):this.rectangle=[0,0,0,0]}},{key:"setColor",value:function setColor(t){var r=new Uint8ClampedArray(3);if(Array.isArray(t))switch(t.length){case 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setAppearance(t){this.appearance=null;var r=t.get("AP");if((0,l.isDict)(r)){var a=r.get("N");if((0,l.isStream)(a))this.appearance=a;else if((0,l.isDict)(a)){var i=t.get("AS");(0,l.isName)(i)&&a.has(i.name)&&(this.appearance=a.get(i.name))}}}},{key:"loadResources",value:function loadResources(t){return this.appearance.dict.getAsync("Resources").then((function(r){if(r){return new c.ObjectLoader(r,t,r.xref).load().then((function(){return r}))}}))}},{key:"getOperatorList",value:function getOperatorList(t,r,a,i){if(!this.appearance)return Promise.resolve(new d.OperatorList);var c=this.appearance,l=this.data,u=c.dict,h=this.loadResources(["ExtGState","ColorSpace","Pattern","Shading","XObject","Font"]),p=u.getArray("BBox")||[0,0,1,1],m=u.getArray("Matrix")||[1,0,0,1,0,0],g=getTransformMatrix(l.rect,p,m);return h.then((function(a){var i=new d.OperatorList;i.addOp(o.OPS.beginAnnotation,[l.rect,g,m]);return 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h=[1,0,0,1,0,0],m=[0,0,c.data.rect[2]-c.data.rect[0],c.data.rect[3]-c.data.rect[1]],g=getTransformMatrix(c.data.rect,m,h);u.addOp(o.OPS.beginAnnotation,[c.data.rect,g,h]);var y=new p.StringStream(l);return t.getOperatorList({stream:y,task:r,resources:c.fieldResources,operatorList:u}).then((function(){u.addOp(o.OPS.endAnnotation,[]);return u}))})):_get(_getPrototypeOf(WidgetAnnotation.prototype),"getOperatorList",this).call(this,t,r,a,i)}},{key:"save",value:(c=_asyncToGenerator(i.default.mark((function _callee2(t,r,a){var c,u,h,d,p,g,y,b,v,S,k,w;return i.default.wrap((function _callee2$(i){for(;;)switch(i.prev=i.next){case 0:if(this.data.fieldValue!==a[this.data.id]){i.next=2;break}return i.abrupt("return",null);case 2:i.next=4;return this._getAppearance(t,r,a);case 4:if(null!==(c=i.sent)){i.next=7;break}return i.abrupt("return",null);case 7:u=t.xref.fetchIfRef(this.ref);if((0,l.isDict)(u)){i.next=10;break}return i.abrupt("return",null);case 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c.apply(this,arguments)})},{key:"_getAppearance",value:(a=_asyncToGenerator(i.default.mark((function _callee3(t,r,a){var c,l,u,h,d,p,m,g,y,b,v,S,k,w,C,_;return i.default.wrap((function _callee3$(i){for(;;)switch(i.prev=i.next){case 0:c=this.hasFieldFlag(o.AnnotationFieldFlag.PASSWORD);if(a&&!c){i.next=3;break}return i.abrupt("return",null);case 3:if(""!==(l=a[this.data.id])){i.next=6;break}return i.abrupt("return","");case 6:h=u=2;d=this.data.rect[3]-this.data.rect[1];p=this.data.rect[2]-this.data.rect[0];i.next=12;return this._getFontData(t,r);case 12:m=i.sent;g=_slicedToArray(m,2),y=g[0],b=g[1];v=m[2];v=this._computeFontSize(y,b,v,d);S=y.descent;isNaN(S)&&(S=0);k=u+Math.abs(S)*v;w=this.data.defaultAppearance;C=this.data.textAlignment;if(!this.data.comb){i.next=23;break}return i.abrupt("return",this._getCombAppearance(w,l,p,h,k));case 23:if(!this.data.multiLine){i.next=25;break}return i.abrupt("return",this._getMultilineAppearance(w,l,y,v,p,d,C,h,k));case 25:if(!(0===C||C>2)){i.next=27;break}return i.abrupt("return","/Tx BMC q BT "+w+" 1 0 0 1 ".concat(h," ").concat(k," Tm (").concat((0,o.escapeString)(l),") Tj")+" ET Q EMC");case 27:_=this._renderText(l,y,v,p,C,h,k);return i.abrupt("return","/Tx BMC q BT "+w+" 1 0 0 1 0 0 Tm ".concat(_)+" ET Q EMC");case 29:case"end":return i.stop()}}),_callee3,this)}))),function _getAppearance(t,r,i){return a.apply(this,arguments)})},{key:"_getFontData",value:(r=_asyncToGenerator(i.default.mark((function _callee4(t,r){var a,o;return i.default.wrap((function _callee4$(i){for(;;)switch(i.prev=i.next){case 0:a=new d.OperatorList;o={fontSize:0,font:null,fontName:null,clone:function clone(){return this}};i.next=4;return t.getOperatorList({stream:new p.StringStream(this.data.defaultAppearance),task:r,resources:this.fieldResources,operatorList:a,initialState:o});case 4:return i.abrupt("return",[o.font,o.fontName,o.fontSize]);case 5:case"end":return i.stop()}}),_callee4,this)}))),function _getFontData(t,a){return r.apply(this,arguments)})},{key:"_computeFontSize",value:function _computeFontSize(t,r,a,i){if(null===a||0===a){var o=.7*(t.charsToGlyphs("M",!0)[0].width/1e3);a=Math.max(1,Math.floor(i/(1.5*o)));var c=new RegExp("/".concat(r,"\\s+[0-9.]+\\s+Tf"));-1===this.data.defaultAppearance.search(c)&&(c=new RegExp("/".concat(r,"\\s+Tf")));this.data.defaultAppearance=this.data.defaultAppearance.replace(c,"/".concat(r," ").concat(a," Tf"))}return a}},{key:"_renderText",value:function _renderText(t,r,a,i,c,l,u){var h,d,p=a/1e3,m=0,g=_createForOfIteratorHelper(r.charsToGlyphs(t));try{for(g.s();!(h=g.n()).done;){m+=h.value.width*p}}catch(t){g.e(t)}finally{g.f()}d=(d=1===c?(i-m)/2:2===c?i-m-l:l).toFixed(2);u=u.toFixed(2);return"".concat(d," ").concat(u," Td (").concat((0,o.escapeString)(t),") Tj")}}]);return WidgetAnnotation}(y),k=function(t){_inherits(TextWidgetAnnotation,t);var r=_createSuper(TextWidgetAnnotation);function TextWidgetAnnotation(t){var a;_classCallCheck(this,TextWidgetAnnotation);(a=r.call(this,t))._hasText=!0;var i=t.dict;(0,o.isString)(a.data.fieldValue)||(a.data.fieldValue="");var c=(0,h.getInheritableProperty)({dict:i,key:"Q"});(!Number.isInteger(c)||c<0||c>2)&&(c=null);a.data.textAlignment=c;var l=(0,h.getInheritableProperty)({dict:i,key:"MaxLen"});(!Number.isInteger(l)||l<0)&&(l=null);a.data.maxLen=l;a.data.multiLine=a.hasFieldFlag(o.AnnotationFieldFlag.MULTILINE);a.data.comb=a.hasFieldFlag(o.AnnotationFieldFlag.COMB)&&!a.hasFieldFlag(o.AnnotationFieldFlag.MULTILINE)&&!a.hasFieldFlag(o.AnnotationFieldFlag.PASSWORD)&&!a.hasFieldFlag(o.AnnotationFieldFlag.FILESELECT)&&null!==a.data.maxLen;return a}_createClass(TextWidgetAnnotation,[{key:"_getCombAppearance",value:function _getCombAppearance(t,r,a,i,c){var l,u=(a/this.data.maxLen).toFixed(2),h=[],d=_createForOfIteratorHelper(r);try{for(d.s();!(l=d.n()).done;){var p=l.value;h.push("(".concat((0,o.escapeString)(p),") Tj"))}}catch(t){d.e(t)}finally{d.f()}var m=h.join(" ".concat(u," 0 Td "));return"/Tx BMC q BT "+t+" 1 0 0 1 ".concat(i," ").concat(c," Tm ").concat(m)+" ET Q EMC"}},{key:"_getMultilineAppearance",value:function _getMultilineAppearance(t,r,a,i,o,c,l,u,h){var d,p=[],m=o-2*u,g=_createForOfIteratorHelper(r.split(/\r\n|\r|\n/));try{for(g.s();!(d=g.n()).done;){var y,b=d.value,v=_createForOfIteratorHelper(this._splitLine(b,a,i,m));try{for(v.s();!(y=v.n()).done;){var S=y.value,k=0===p.length?u:0;p.push(this._renderText(S,a,i,o,l,k,-i))}}catch(t){v.e(t)}finally{v.f()}}}catch(t){g.e(t)}finally{g.f()}var w=p.join("\n");return"/Tx BMC q BT "+t+" 1 0 0 1 0 ".concat(c," Tm ").concat(w)+" ET Q EMC"}},{key:"_splitLine",value:function _splitLine(t,r,a,i){if(t.length<=1)return[t];for(var o=a/1e3,c=r.charsToGlyphs(" ",!0)[0].width*o,l=[],u=-1,h=0,d=0,p=0,m=t.length;p<m;p++){var g=t.charAt(p);if(" "===g)if(d+c>i){l.push(t.substring(h,p));h=p;d=c;u=-1}else{d+=c;u=p}else{var y=r.charsToGlyphs(g,!1)[0].width*o;if(d+y>i)if(-1!==u){l.push(t.substring(h,u+1));h=p=u+1;u=-1;d=0}else{l.push(t.substring(h,p));h=p;d=y}else d+=y}}h<t.length&&l.push(t.substring(h,t.length));return l}}]);return TextWidgetAnnotation}(S),w=function(t){_inherits(ButtonWidgetAnnotation,t);var r,a,u,h=_createSuper(ButtonWidgetAnnotation);function ButtonWidgetAnnotation(t){var r;_classCallCheck(this,ButtonWidgetAnnotation);(r=h.call(this,t)).checkedAppearance=null;r.uncheckedAppearance=null;r.data.checkBox=!r.hasFieldFlag(o.AnnotationFieldFlag.RADIO)&&!r.hasFieldFlag(o.AnnotationFieldFlag.PUSHBUTTON);r.data.radioButton=r.hasFieldFlag(o.AnnotationFieldFlag.RADIO)&&!r.hasFieldFlag(o.AnnotationFieldFlag.PUSHBUTTON);r.data.pushButton=r.hasFieldFlag(o.AnnotationFieldFlag.PUSHBUTTON);r.data.checkBox?r._processCheckBox(t):r.data.radioButton?r._processRadioButton(t):r.data.pushButton?r._processPushButton(t):(0,o.warn)("Invalid field flags for button widget annotation");return r}_createClass(ButtonWidgetAnnotation,[{key:"getOperatorList",value:function getOperatorList(t,r,a,i){if(this.data.pushButton)return _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype),"getOperatorList",this).call(this,t,r,!1,i);if(i){var o;if(o=i[this.data.id]||!1?this.checkedAppearance:this.uncheckedAppearance){var c=this.appearance;this.appearance=o;var l=_get(_getPrototypeOf(ButtonWidgetAnnotation.prototype),"getOperatorList",this).call(this,t,r,a,i);this.appearance=c;return l}return Promise.resolve(new d.OperatorList)}return _get(_getPrototypeOf(ButtonWidgetAnnotation.prototype),"getOperatorList",this).call(this,t,r,a,i)}},{key:"save",value:(u=_asyncToGenerator(i.default.mark((function _callee5(t,r,a){return i.default.wrap((function _callee5$(i){for(;;)switch(i.prev=i.next){case 0:if(!this.data.checkBox){i.next=2;break}return i.abrupt("return",this._saveCheckbox(t,r,a));case 2:if(!this.data.radioButton){i.next=4;break}return i.abrupt("return",this._saveRadioButton(t,r,a));case 4:return i.abrupt("return",_get(_getPrototypeOf(ButtonWidgetAnnotation.prototype),"save",this).call(this,t,r,a));case 5:case"end":return i.stop()}}),_callee5,this)}))),function save(t,r,a){return u.apply(this,arguments)})},{key:"_saveCheckbox",value:(a=_asyncToGenerator(i.default.mark((function _callee6(t,r,a){var c,u,h,d,p,g,y;return i.default.wrap((function _callee6$(r){for(;;)switch(r.prev=r.next){case 0:c=this.data.fieldValue&&"Off"!==this.data.fieldValue;u=a[this.data.id];if(c!==u){r.next=4;break}return r.abrupt("return",null);case 4:h=t.xref.fetchIfRef(this.ref);if((0,l.isDict)(h)){r.next=7;break}return r.abrupt("return",null);case 7:d=l.Name.get(u?this.data.exportValue:"Off");h.set("V",d);h.set("AS",d);h.set("M","D:".concat((0,o.getModificationDate)()));p=t.xref.encrypt;g=null;p&&(g=p.createCipherTransform(this.ref.num,this.ref.gen));y=["".concat(this.ref.num," ").concat(this.ref.gen," obj\n")];(0,m.writeDict)(h,y,g);y.push("\nendobj\n");return r.abrupt("return",[{ref:this.ref,data:y.join("")}]);case 18:case"end":return r.stop()}}),_callee6,this)}))),function _saveCheckbox(t,r,i){return a.apply(this,arguments)})},{key:"_saveRadioButton",value:(r=_asyncToGenerator(i.default.mark((function _callee7(t,r,a){var c,u,h,d,p,g,y,b,v,S,k;return i.default.wrap((function _callee7$(r){for(;;)switch(r.prev=r.next){case 0:c=this.data.fieldValue===this.data.buttonValue;u=a[this.data.id];if(c!==u){r.next=4;break}return r.abrupt("return",null);case 4:h=t.xref.fetchIfRef(this.ref);if((0,l.isDict)(h)){r.next=7;break}return r.abrupt("return",null);case 7:d=l.Name.get(u?this.data.buttonValue:"Off");p=null;g=t.xref.encrypt;if(u)if((0,l.isRef)(this.parent)){y=t.xref.fetch(this.parent);b=null;g&&(b=g.createCipherTransform(this.parent.num,this.parent.gen));y.set("V",d);p=["".concat(this.parent.num," ").concat(this.parent.gen," obj\n")];(0,m.writeDict)(y,p,b);p.push("\nendobj\n")}else(0,l.isDict)(this.parent)&&this.parent.set("V",d);h.set("AS",d);h.set("M","D:".concat((0,o.getModificationDate)()));v=null;g&&(v=g.createCipherTransform(this.ref.num,this.ref.gen));S=["".concat(this.ref.num," ").concat(this.ref.gen," obj\n")];(0,m.writeDict)(h,S,v);S.push("\nendobj\n");k=[{ref:this.ref,data:S.join("")}];null!==p&&k.push({ref:this.parent,data:p.join("")});return r.abrupt("return",k);case 21:case"end":return r.stop()}}),_callee7,this)}))),function _saveRadioButton(t,a,i){return r.apply(this,arguments)})},{key:"_processCheckBox",value:function _processCheckBox(t){var r=t.dict.get("AP");if((0,l.isDict)(r)){var a=r.get("N");if((0,l.isDict)(a)){var i=a.getKeys();i.includes("Off")||i.push("Off");if(2===i.length){this.data.exportValue="Off"===i[0]?i[1]:i[0];this.checkedAppearance=a.get(this.data.exportValue);this.uncheckedAppearance=a.get("Off")||null}}}}},{key:"_processRadioButton",value:function _processRadioButton(t){this.data.fieldValue=this.data.buttonValue=null;var r=t.dict.get("Parent");if((0,l.isDict)(r)&&r.has("V")){var a=r.get("V");if((0,l.isName)(a)){this.parent=t.dict.getRaw("Parent");this.data.fieldValue=this._decodeFormValue(a)}}var i=t.dict.get("AP");if((0,l.isDict)(i)){var o=i.get("N");if((0,l.isDict)(o)){var c,u=_createForOfIteratorHelper(o.getKeys());try{for(u.s();!(c=u.n()).done;){var h=c.value;if("Off"!==h){this.data.buttonValue=h;break}}}catch(t){u.e(t)}finally{u.f()}this.checkedAppearance=o.get(this.data.buttonValue);this.uncheckedAppearance=o.get("Off")||null}}}},{key:"_processPushButton",value:function _processPushButton(t){t.dict.has("A")?c.Catalog.parseDestDictionary({destDict:t.dict,resultObj:this.data,docBaseUrl:t.pdfManager.docBaseUrl}):(0,o.warn)("Push buttons without action dictionaries are not supported")}}]);return ButtonWidgetAnnotation}(S),C=function(t){_inherits(ChoiceWidgetAnnotation,t);var r=_createSuper(ChoiceWidgetAnnotation);function ChoiceWidgetAnnotation(t){var a;_classCallCheck(this,ChoiceWidgetAnnotation);(a=r.call(this,t)).data.options=[];var i=(0,h.getInheritableProperty)({dict:t.dict,key:"Opt"});if(Array.isArray(i))for(var c=t.xref,l=0,u=i.length;l<u;l++){var d=c.fetchIfRef(i[l]),p=Array.isArray(d);a.data.options[l]={exportValue:a._decodeFormValue(p?c.fetchIfRef(d[0]):d),displayValue:a._decodeFormValue(p?c.fetchIfRef(d[1]):d)}}(0,o.isString)(a.data.fieldValue)?a.data.fieldValue=[a.data.fieldValue]:a.data.fieldValue||(a.data.fieldValue=[]);a.data.combo=a.hasFieldFlag(o.AnnotationFieldFlag.COMBO);a.data.multiSelect=a.hasFieldFlag(o.AnnotationFieldFlag.MULTISELECT);a._hasText=!0;return a}return ChoiceWidgetAnnotation}(S),_=function(t){_inherits(TextAnnotation,t);var r=_createSuper(TextAnnotation);function TextAnnotation(t){var a;_classCallCheck(this,TextAnnotation);a=r.call(this,t);var i=t.dict;a.data.annotationType=o.AnnotationType.TEXT;if(a.data.hasAppearance)a.data.name="NoIcon";else{a.data.rect[1]=a.data.rect[3]-22;a.data.rect[2]=a.data.rect[0]+22;a.data.name=i.has("Name")?i.get("Name").name:"Note"}if(i.has("State")){a.data.state=i.get("State")||null;a.data.stateModel=i.get("StateModel")||null}else{a.data.state=null;a.data.stateModel=null}return a}return TextAnnotation}(v),x=function(t){_inherits(LinkAnnotation,t);var r=_createSuper(LinkAnnotation);function LinkAnnotation(t){var a;_classCallCheck(this,LinkAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.LINK;var i=getQuadPoints(t.dict,a.rectangle);i&&(a.data.quadPoints=i);c.Catalog.parseDestDictionary({destDict:t.dict,resultObj:a.data,docBaseUrl:t.pdfManager.docBaseUrl});return a}return LinkAnnotation}(y),A=function(t){_inherits(PopupAnnotation,t);var r=_createSuper(PopupAnnotation);function PopupAnnotation(t){var a;_classCallCheck(this,PopupAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.POPUP;var i=t.dict.get("Parent");if(!i){(0,o.warn)("Popup annotation has a missing or invalid parent annotation.");return _possibleConstructorReturn(a)}var c=i.get("Subtype");a.data.parentType=(0,l.isName)(c)?c.name:null;var u=t.dict.getRaw("Parent");a.data.parentId=(0,l.isRef)(u)?u.toString():null;var h=i.get("RT");(0,l.isName)(h,o.AnnotationReplyType.GROUP)&&(i=i.get("IRT"));if(i.has("M")){a.setModificationDate(i.get("M"));a.data.modificationDate=a.modificationDate}else a.data.modificationDate=null;if(i.has("C")){a.setColor(i.getArray("C"));a.data.color=a.color}else a.data.color=null;if(!a.viewable){var d=i.get("F");a._isViewable(d)&&a.setFlags(d)}a.data.title=(0,o.stringToPDFString)(i.get("T")||"");a.data.contents=(0,o.stringToPDFString)(i.get("Contents")||"");return a}return PopupAnnotation}(y),T=function(t){_inherits(FreeTextAnnotation,t);var r=_createSuper(FreeTextAnnotation);function FreeTextAnnotation(t){var a;_classCallCheck(this,FreeTextAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.FREETEXT;return a}return FreeTextAnnotation}(v),R=function(t){_inherits(LineAnnotation,t);var r=_createSuper(LineAnnotation);function LineAnnotation(t){var a;_classCallCheck(this,LineAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.LINE;a.data.lineCoordinates=o.Util.normalizeRect(t.dict.getArray("L"));return a}return LineAnnotation}(v),I=function(t){_inherits(SquareAnnotation,t);var r=_createSuper(SquareAnnotation);function SquareAnnotation(t){var a;_classCallCheck(this,SquareAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.SQUARE;return a}return SquareAnnotation}(v),P=function(t){_inherits(CircleAnnotation,t);var r=_createSuper(CircleAnnotation);function CircleAnnotation(t){var a;_classCallCheck(this,CircleAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.CIRCLE;return a}return CircleAnnotation}(v),O=function(t){_inherits(PolylineAnnotation,t);var r=_createSuper(PolylineAnnotation);function PolylineAnnotation(t){var a;_classCallCheck(this,PolylineAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.POLYLINE;var i=t.dict.getArray("Vertices");a.data.vertices=[];for(var c=0,l=i.length;c<l;c+=2)a.data.vertices.push({x:i[c],y:i[c+1]});return a}return PolylineAnnotation}(v),E=function(t){_inherits(PolygonAnnotation,t);var r=_createSuper(PolygonAnnotation);function PolygonAnnotation(t){var a;_classCallCheck(this,PolygonAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.POLYGON;return a}return PolygonAnnotation}(O),B=function(t){_inherits(CaretAnnotation,t);var r=_createSuper(CaretAnnotation);function CaretAnnotation(t){var a;_classCallCheck(this,CaretAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.CARET;return a}return CaretAnnotation}(v),D=function(t){_inherits(InkAnnotation,t);var r=_createSuper(InkAnnotation);function InkAnnotation(t){var a;_classCallCheck(this,InkAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.INK;var i=t.xref,c=t.dict.getArray("InkList");a.data.inkLists=[];for(var l=0,u=c.length;l<u;++l){a.data.inkLists.push([]);for(var h=0,d=c[l].length;h<d;h+=2)a.data.inkLists[l].push({x:i.fetchIfRef(c[l][h]),y:i.fetchIfRef(c[l][h+1])})}return a}return InkAnnotation}(v),M=function(t){_inherits(HighlightAnnotation,t);var r=_createSuper(HighlightAnnotation);function HighlightAnnotation(t){var a;_classCallCheck(this,HighlightAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.HIGHLIGHT;var i=getQuadPoints(t.dict,a.rectangle);i&&(a.data.quadPoints=i);return a}return HighlightAnnotation}(v),L=function(t){_inherits(UnderlineAnnotation,t);var r=_createSuper(UnderlineAnnotation);function UnderlineAnnotation(t){var a;_classCallCheck(this,UnderlineAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.UNDERLINE;var i=getQuadPoints(t.dict,a.rectangle);i&&(a.data.quadPoints=i);return a}return UnderlineAnnotation}(v),N=function(t){_inherits(SquigglyAnnotation,t);var r=_createSuper(SquigglyAnnotation);function SquigglyAnnotation(t){var a;_classCallCheck(this,SquigglyAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.SQUIGGLY;var i=getQuadPoints(t.dict,a.rectangle);i&&(a.data.quadPoints=i);return a}return SquigglyAnnotation}(v),U=function(t){_inherits(StrikeOutAnnotation,t);var r=_createSuper(StrikeOutAnnotation);function StrikeOutAnnotation(t){var a;_classCallCheck(this,StrikeOutAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.STRIKEOUT;var i=getQuadPoints(t.dict,a.rectangle);i&&(a.data.quadPoints=i);return a}return StrikeOutAnnotation}(v),j=function(t){_inherits(StampAnnotation,t);var r=_createSuper(StampAnnotation);function StampAnnotation(t){var a;_classCallCheck(this,StampAnnotation);(a=r.call(this,t)).data.annotationType=o.AnnotationType.STAMP;return a}return StampAnnotation}(v),q=function(t){_inherits(FileAttachmentAnnotation,t);var r=_createSuper(FileAttachmentAnnotation);function FileAttachmentAnnotation(t){var a;_classCallCheck(this,FileAttachmentAnnotation);a=r.call(this,t);var i=new c.FileSpec(t.dict.get("FS"),t.xref);a.data.annotationType=o.AnnotationType.FILEATTACHMENT;a.data.file=i.serializable;return a}return FileAttachmentAnnotation}(v)},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.OperatorList=void 0;var i=a(5);function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(a=function _unsupportedIterableToArray(t,r){if(!t)return;if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);if("Map"===a||"Set"===a)return Array.from(t);if("Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a))return _arrayLikeToArray(t,r)}(t))||r&&t&&"number"==typeof t.length){a&&(t=a);var i=0,o=function F(){};return{s:o,n:function n(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}},e:function e(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var c,l=!0,u=!1;return{s:function s(){a=t[Symbol.iterator]()},n:function n(){var t=a.next();l=t.done;return t},e:function e(t){u=!0;c=t},f:function f(){try{l||null==a.return||a.return()}finally{if(u)throw c}}}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,i=new Array(r);a<r;a++)i[a]=t[a];return i}var o=function QueueOptimizerClosure(){function addState(t,r,a,i,o){for(var c=t,l=0,u=r.length-1;l<u;l++){var h=r[l];c=c[h]||(c[h]=[])}c[r[r.length-1]]={checkFn:a,iterateFn:i,processFn:o}}var t=[];addState(t,[i.OPS.save,i.OPS.transform,i.OPS.paintInlineImageXObject,i.OPS.restore],null,(function iterateInlineImageGroup(t,r){var a=t.fnArray,o=(r-(t.iCurr-3))%4;switch(o){case 0:return a[r]===i.OPS.save;case 1:return a[r]===i.OPS.transform;case 2:return a[r]===i.OPS.paintInlineImageXObject;case 3:return a[r]===i.OPS.restore}throw new Error("iterateInlineImageGroup - invalid pos: ".concat(o))}),(function foundInlineImageGroup(t,r){var a=t.fnArray,o=t.argsArray,c=t.iCurr,l=c-3,u=c-2,h=c-1,d=Math.min(Math.floor((r-l)/4),200);if(d<10)return r-(r-l)%4;var p,m=0,g=[],y=0,b=1,v=1;for(p=0;p<d;p++){var S=o[u+(p<<2)],k=o[h+(p<<2)][0];if(b+k.width>1e3){m=Math.max(m,b);v+=y+2;b=0;y=0}g.push({transform:S,x:b,y:v,w:k.width,h:k.height});b+=k.width+2;y=Math.max(y,k.height)}var w=Math.max(m,b)+1,C=v+y+1,_=new Uint8ClampedArray(w*C*4),x=w<<2;for(p=0;p<d;p++){var A=o[h+(p<<2)][0].data,T=g[p].w<<2,R=0,I=g[p].x+g[p].y*w<<2;_.set(A.subarray(0,T),I-x);for(var P=0,O=g[p].h;P<O;P++){_.set(A.subarray(R,R+T),I);R+=T;I+=x}_.set(A.subarray(R-T,R),I);for(;I>=0;){A[I-4]=A[I];A[I-3]=A[I+1];A[I-2]=A[I+2];A[I-1]=A[I+3];A[I+T]=A[I+T-4];A[I+T+1]=A[I+T-3];A[I+T+2]=A[I+T-2];A[I+T+3]=A[I+T-1];I-=x}}a.splice(l,4*d,i.OPS.paintInlineImageXObjectGroup);o.splice(l,4*d,[{width:w,height:C,kind:i.ImageKind.RGBA_32BPP,data:_},g]);return l+1}));addState(t,[i.OPS.save,i.OPS.transform,i.OPS.paintImageMaskXObject,i.OPS.restore],null,(function iterateImageMaskGroup(t,r){var a=t.fnArray,o=(r-(t.iCurr-3))%4;switch(o){case 0:return a[r]===i.OPS.save;case 1:return a[r]===i.OPS.transform;case 2:return a[r]===i.OPS.paintImageMaskXObject;case 3:return a[r]===i.OPS.restore}throw new Error("iterateImageMaskGroup - invalid pos: ".concat(o))}),(function foundImageMaskGroup(t,r){var a,o=t.fnArray,c=t.argsArray,l=t.iCurr,u=l-3,h=l-2,d=l-1,p=Math.floor((r-u)/4);if((p=function handlePaintSolidColorImageMask(t,r,a,o){for(var c=t+2,l=0;l<r;l++){var u=o[c+4*l],h=1===u.length&&u[0];if(!h||1!==h.width||1!==h.height||h.data.length&&(1!==h.data.length||0!==h.data[0]))break;a[c+4*l]=i.OPS.paintSolidColorImageMask}return r-l}(u,p,o,c))<10)return r-(r-u)%4;var m,g,y=!1,b=c[d][0],v=c[h][0],S=c[h][1],k=c[h][2],w=c[h][3];if(S===k){y=!0;m=h+4;var C=d+4;for(a=1;a<p;a++,m+=4,C+=4){g=c[m];if(c[C][0]!==b||g[0]!==v||g[1]!==S||g[2]!==k||g[3]!==w){a<10?y=!1:p=a;break}}}if(y){p=Math.min(p,1e3);var _=new Float32Array(2*p);m=h;for(a=0;a<p;a++,m+=4){g=c[m];_[a<<1]=g[4];_[1+(a<<1)]=g[5]}o.splice(u,4*p,i.OPS.paintImageMaskXObjectRepeat);c.splice(u,4*p,[b,v,S,k,w,_])}else{p=Math.min(p,100);var x=[];for(a=0;a<p;a++){g=c[h+(a<<2)];var A=c[d+(a<<2)][0];x.push({data:A.data,width:A.width,height:A.height,transform:g})}o.splice(u,4*p,i.OPS.paintImageMaskXObjectGroup);c.splice(u,4*p,[x])}return u+1}));addState(t,[i.OPS.save,i.OPS.transform,i.OPS.paintImageXObject,i.OPS.restore],(function(t){var r=t.argsArray,a=t.iCurr-2;return 0===r[a][1]&&0===r[a][2]}),(function iterateImageGroup(t,r){var a=t.fnArray,o=t.argsArray,c=(r-(t.iCurr-3))%4;switch(c){case 0:return a[r]===i.OPS.save;case 1:if(a[r]!==i.OPS.transform)return!1;var l=t.iCurr-2,u=o[l][0],h=o[l][3];return o[r][0]===u&&0===o[r][1]&&0===o[r][2]&&o[r][3]===h;case 2:if(a[r]!==i.OPS.paintImageXObject)return!1;var d=o[t.iCurr-1][0];return o[r][0]===d;case 3:return a[r]===i.OPS.restore}throw new Error("iterateImageGroup - invalid pos: ".concat(c))}),(function(t,r){var a=t.fnArray,o=t.argsArray,c=t.iCurr,l=c-3,u=c-2,h=o[c-1][0],d=o[u][0],p=o[u][3],m=Math.min(Math.floor((r-l)/4),1e3);if(m<3)return r-(r-l)%4;for(var g=new Float32Array(2*m),y=u,b=0;b<m;b++,y+=4){var v=o[y];g[b<<1]=v[4];g[1+(b<<1)]=v[5]}var S=[h,d,p,g];a.splice(l,4*m,i.OPS.paintImageXObjectRepeat);o.splice(l,4*m,S);return l+1}));addState(t,[i.OPS.beginText,i.OPS.setFont,i.OPS.setTextMatrix,i.OPS.showText,i.OPS.endText],null,(function iterateShowTextGroup(t,r){var a=t.fnArray,o=t.argsArray,c=(r-(t.iCurr-4))%5;switch(c){case 0:return a[r]===i.OPS.beginText;case 1:return a[r]===i.OPS.setFont;case 2:return a[r]===i.OPS.setTextMatrix;case 3:if(a[r]!==i.OPS.showText)return!1;var l=t.iCurr-3,u=o[l][0],h=o[l][1];return o[r][0]===u&&o[r][1]===h;case 4:return a[r]===i.OPS.endText}throw new Error("iterateShowTextGroup - invalid pos: ".concat(c))}),(function(t,r){var a=t.fnArray,i=t.argsArray,o=t.iCurr,c=o-4,l=o-3,u=o-2,h=o-1,d=o,p=i[l][0],m=i[l][1],g=Math.min(Math.floor((r-c)/5),1e3);if(g<3)return r-(r-c)%5;var y=c;if(c>=4&&a[c-4]===a[l]&&a[c-3]===a[u]&&a[c-2]===a[h]&&a[c-1]===a[d]&&i[c-4][0]===p&&i[c-4][1]===m){g++;y-=5}for(var b=y+4,v=1;v<g;v++){a.splice(b,3);i.splice(b,3);b+=2}return b+1}));function QueueOptimizer(t){this.queue=t;this.state=null;this.context={iCurr:0,fnArray:t.fnArray,argsArray:t.argsArray};this.match=null;this.lastProcessed=0}QueueOptimizer.prototype={_optimize:function _optimize(){var r=this.queue.fnArray,a=this.lastProcessed,i=r.length,o=this.state,c=this.match;if(o||c||a+1!==i||t[r[a]]){for(var l=this.context;a<i;){if(c){if((0,c.iterateFn)(l,a)){a++;continue}a=(0,c.processFn)(l,a+1);c=null;o=null;if(a>=(i=r.length))break}if((o=(o||t)[r[a]])&&!Array.isArray(o)){l.iCurr=a;a++;if(!o.checkFn||(0,o.checkFn)(l)){c=o;o=null}else o=null}else a++}this.state=o;this.match=c;this.lastProcessed=a}else this.lastProcessed=i},push:function push(t,r){this.queue.fnArray.push(t);this.queue.argsArray.push(r);this._optimize()},flush:function flush(){for(;this.match;){var t=this.queue.fnArray.length;this.lastProcessed=(0,this.match.processFn)(this.context,t);this.match=null;this.state=null;this._optimize()}},reset:function reset(){this.state=null;this.match=null;this.lastProcessed=0}};return QueueOptimizer}(),c=function NullOptimizerClosure(){function NullOptimizer(t){this.queue=t}NullOptimizer.prototype={push:function push(t,r){this.queue.fnArray.push(t);this.queue.argsArray.push(r)},flush:function flush(){},reset:function reset(){}};return NullOptimizer}(),l=function OperatorListClosure(){function OperatorList(t,r){this._streamSink=r;this.fnArray=[];this.argsArray=[];this.optimizer=r&&"oplist"!==t?new o(this):new c(this);this.dependencies=new Set;this._totalLength=0;this.weight=0;this._resolved=r?null:Promise.resolve()}OperatorList.prototype={get length(){return this.argsArray.length},get ready(){return this._resolved||this._streamSink.ready},get totalLength(){return this._totalLength+this.length},addOp:function addOp(t,r){this.optimizer.push(t,r);this.weight++;this._streamSink&&(this.weight>=1e3||this.weight>=995&&(t===i.OPS.restore||t===i.OPS.endText))&&this.flush()},addDependency:function addDependency(t){if(!this.dependencies.has(t)){this.dependencies.add(t);this.addOp(i.OPS.dependency,[t])}},addDependencies:function addDependencies(t){var r,a=_createForOfIteratorHelper(t);try{for(a.s();!(r=a.n()).done;){var i=r.value;this.addDependency(i)}}catch(t){a.e(t)}finally{a.f()}},addOpList:function addOpList(t){if(t instanceof OperatorList){var r,a=_createForOfIteratorHelper(t.dependencies);try{for(a.s();!(r=a.n()).done;){var o=r.value;this.dependencies.add(o)}}catch(t){a.e(t)}finally{a.f()}for(var c=0,l=t.length;c<l;c++)this.addOp(t.fnArray[c],t.argsArray[c])}else(0,i.warn)('addOpList - ignoring invalid "opList" parameter.')},getIR:function getIR(){return{fnArray:this.fnArray,argsArray:this.argsArray,length:this.length}},get _transfers(){for(var t=[],r=this.fnArray,a=this.argsArray,o=this.length,c=0;c<o;c++)switch(r[c]){case i.OPS.paintInlineImageXObject:case i.OPS.paintInlineImageXObjectGroup:case i.OPS.paintImageMaskXObject:var l=a[c][0];l.cached||t.push(l.data.buffer)}return t},flush:function flush(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.optimizer.flush();var r=this.length;this._totalLength+=r;this._streamSink.enqueue({fnArray:this.fnArray,argsArray:this.argsArray,lastChunk:t,length:r},1,this._transfers);this.dependencies.clear();this.fnArray.length=0;this.argsArray.length=0;this.weight=0;this.optimizer.reset()}};return OperatorList}();r.OperatorList=l},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.writeDict=writeDict;r.incrementalUpdate=function incrementalUpdate(t,r,a){var l,u,h=new o.Dict(null),d=r.newRef,p=t[t.length-1];if(10===p||13===p){l=[];u=t.length}else{l=["\n"];u=t.length+1}h.set("Size",d.num+1);h.set("Prev",r.startXRef);h.set("Type",o.Name.get("XRef"));null!==r.rootRef&&h.set("Root",r.rootRef);null!==r.infoRef&&h.set("Info",r.infoRef);null!==r.encrypt&&h.set("Encrypt",r.encrypt);a.push({ref:d,data:""});a=a.sort((function(t,r){return t.ref.num-r.ref.num}));var m,g=[[0,1,65535]],y=[0,1],b=0,v=_createForOfIteratorHelper(a);try{for(v.s();!(m=v.n()).done;){var 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I,P=t.length,O=_createForOfIteratorHelper(l);try{for(O.s();!(I=O.n()).done;){var E=I.value;writeString(E,P,R);P+=E.length}}catch(t){O.e(t)}finally{O.f()}for(var B=0,D=g;B<D.length;B++){var M=(j=D[B],q=3,function _arrayWithHoles(t){if(Array.isArray(t))return t}(j)||function _iterableToArrayLimit(t,r){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(t)))return;var a=[],i=!0,o=!1,c=void 0;try{for(var l,u=t[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){a.push(l.value);if(r&&a.length===r)break}}catch(t){o=!0;c=t}finally{try{i||null==u.return||u.return()}finally{if(o)throw c}}return a}(j,q)||_unsupportedIterableToArray(j,q)||function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()),L=M[0],N=M[1],U=M[2];P=writeInt(L,_[0],P,R);P=writeInt(N,_[1],P,R);P=writeInt(U,_[2],P,R)}var j,q;writeString(T,P,R);return R};var i=a(5),o=a(202),c=a(219);function 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t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(226),l=a(202),u=a(227),h=a(230),d=a(205),p=a(233),m=a(232),g=a(236),y=a(237),b=a(208),v=a(221),S=a(239),k=a(220),w=a(209),C=a(231),_=a(240),x=a(241),A=a(223),T=a(242);function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(a=function _unsupportedIterableToArray(t,r){if(!t)return;if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);if("Map"===a||"Set"===a)return Array.from(t);if("Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a))return _arrayLikeToArray(t,r)}(t))||r&&t&&"number"==typeof t.length){a&&(t=a);var i=0,o=function F(){};return{s:o,n:function n(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}},e:function e(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var c,l=!0,u=!1;return{s:function s(){a=t[Symbol.iterator]()},n:function n(){var t=a.next();l=t.done;return t},e:function e(t){u=!0;c=t},f:function f(){try{l||null==a.return||a.return()}finally{if(u)throw c}}}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,i=new Array(r);a<r;a++)i[a]=t[a];return i}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var R=Object.freeze({maxImageSize:-1,disableFontFace:!1,ignoreErrors:!1,isEvalSupported:!0,fontExtraProperties:!1}),I=1,P=2,O=Promise.resolve();function normalizeBlendMode(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(Array.isArray(t)){for(var a=0,i=t.length;a<i;a++){var c=normalizeBlendMode(t[a],!0);if(c)return c}(0,o.warn)("Unsupported blend mode Array: ".concat(t));return"source-over"}if(!(0,l.isName)(t))return r?null:"source-over";switch(t.name){case"Normal":case"Compatible":return"source-over";case"Multiply":return"multiply";case"Screen":return"screen";case"Overlay":return"overlay";case"Darken":return"darken";case"Lighten":return"lighten";case"ColorDodge":return"color-dodge";case"ColorBurn":return"color-burn";case"HardLight":return"hard-light";case"SoftLight":return"soft-light";case"Difference":return"difference";case"Exclusion":return"exclusion";case"Hue":return"hue";case"Saturation":return"saturation";case"Color":return"color";case"Luminosity":return"luminosity"}if(r)return null;(0,o.warn)("Unsupported blend mode: ".concat(t.name));return"source-over"}var E=function(){_createClass(TimeSlotManager,null,[{key:"TIME_SLOT_DURATION_MS",get:function get(){return(0,o.shadow)(this,"TIME_SLOT_DURATION_MS",20)}},{key:"CHECK_TIME_EVERY",get:function get(){return(0,o.shadow)(this,"CHECK_TIME_EVERY",100)}}]);function TimeSlotManager(){_classCallCheck(this,TimeSlotManager);this.reset()}_createClass(TimeSlotManager,[{key:"check",value:function check(){if(++this.checked<TimeSlotManager.CHECK_TIME_EVERY)return!1;this.checked=0;return this.endTime<=Date.now()}},{key:"reset",value:function reset(){this.endTime=Date.now()+TimeSlotManager.TIME_SLOT_DURATION_MS;this.checked=0}}]);return TimeSlotManager}(),B=function(){function PartialEvaluator(t){var r=t.xref,a=t.handler,i=t.pageIndex,o=t.idFactory,c=t.fontCache,l=t.builtInCMapCache,u=t.globalImageCache,h=t.options,d=void 0===h?null:h;_classCallCheck(this,PartialEvaluator);this.xref=r;this.handler=a;this.pageIndex=i;this.idFactory=o;this.fontCache=c;this.builtInCMapCache=l;this.globalImageCache=u;this.options=d||R;this.parsingType3Font=!1;this._fetchBuiltInCMapBound=this.fetchBuiltInCMap.bind(this)}_createClass(PartialEvaluator,[{key:"clone",value:function clone(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:R,r=Object.create(this);r.options=t;return r}},{key:"hasBlendModes",value:function hasBlendModes(t){if(!(t instanceof l.Dict))return!1;var r=new l.RefSet;t.objId&&r.put(t.objId);for(var a=[t],i=this.xref;a.length;){var c=a.shift(),u=c.get("ExtGState");if(u instanceof l.Dict){var h,p=_createForOfIteratorHelper(u.getRawValues());try{for(p.s();!(h=p.n()).done;){var m=h.value;if(m instanceof l.Ref){if(r.has(m))continue;try{m=i.fetch(m)}catch(t){if(t instanceof d.MissingDataException)throw t;r.put(m);(0,o.info)('hasBlendModes - ignoring ExtGState: "'.concat(t,'".'));continue}}if(m instanceof l.Dict){m.objId&&r.put(m.objId);var g=m.get("BM");if(g instanceof l.Name){if("Normal"!==g.name)return!0}else if(void 0!==g&&Array.isArray(g)){var y,b=_createForOfIteratorHelper(g);try{for(b.s();!(y=b.n()).done;){var v=y.value;if(v instanceof l.Name&&"Normal"!==v.name)return!0}}catch(t){b.e(t)}finally{b.f()}}}}}catch(t){p.e(t)}finally{p.f()}}var S=c.get("XObject");if(S instanceof l.Dict){var k,w=_createForOfIteratorHelper(S.getRawValues());try{for(w.s();!(k=w.n()).done;){var C=k.value;if(C instanceof l.Ref){if(r.has(C))continue;try{C=i.fetch(C)}catch(t){if(t instanceof d.MissingDataException)throw t;r.put(C);(0,o.info)('hasBlendModes - ignoring XObject: "'.concat(t,'".'));continue}}if((0,l.isStream)(C)){C.dict.objId&&r.put(C.dict.objId);var _=C.dict.get("Resources");if(_ instanceof l.Dict&&(!_.objId||!r.has(_.objId))){a.push(_);_.objId&&r.put(_.objId)}}}}catch(t){w.e(t)}finally{w.f()}}}return!1}},{key:"fetchBuiltInCMap",value:(j=_asyncToGenerator(i.default.mark((function _callee(t){var r,a,c,l;return i.default.wrap((function _callee$(i){for(;;)switch(i.prev=i.next){case 0:if(!(r=this.builtInCMapCache.get(t))){i.next=3;break}return i.abrupt("return",r);case 3:a=this.handler.sendWithStream("FetchBuiltInCMap",{name:t});c=a.getReader();i.next=7;return new Promise((function(t,r){!function pump(){c.read().then((function(r){var a=r.value;if(!r.done){t(a);pump()}}),r)}()}));case 7:(l=i.sent).compressionType!==o.CMapCompressionType.NONE&&this.builtInCMapCache.set(t,l);return i.abrupt("return",l);case 10:case"end":return i.stop()}}),_callee,this)}))),function fetchBuiltInCMap(t){return j.apply(this,arguments)})},{key:"buildFormXObject",value:(B=_asyncToGenerator(i.default.mark((function _callee2(t,r,a,c,u,h,d){var p,m,g,y,b,v,S,w,C,_;return i.default.wrap((function _callee2$(i){for(;;)switch(i.prev=i.next){case 0:p=r.dict;m=p.getArray("Matrix");g=p.getArray("BBox");g=Array.isArray(g)&&4===g.length?o.Util.normalizeRect(g):null;y=null;if(!p.has("OC")){i.next=10;break}i.next=8;return this.parseMarkedContentProps(p.get("OC"),t);case 8:y=i.sent;c.addOp(o.OPS.beginMarkedContentProps,["OC",y]);case 10:if(!(b=p.get("Group"))){i.next=30;break}v={matrix:m,bbox:g,smask:a,isolated:!1,knockout:!1};S=b.get("S");w=null;if(!(0,l.isName)(S,"Transparency")){i.next=28;break}v.isolated=b.get("I")||!1;v.knockout=b.get("K")||!1;if(!b.has("CS")){i.next=28;break}C=b.getRaw("CS");if(!(_=k.ColorSpace.getCached(C,this.xref,d))){i.next=25;break}w=_;i.next=28;break;case 25:i.next=27;return this.parseColorSpace({cs:C,resources:t,localColorSpaceCache:d});case 27:w=i.sent;case 28:if(a&&a.backdrop){w=w||k.ColorSpace.singletons.rgb;a.backdrop=w.getRgb(a.backdrop,0)}c.addOp(o.OPS.beginGroup,[v]);case 30:c.addOp(o.OPS.paintFormXObjectBegin,[m,g]);return i.abrupt("return",this.getOperatorList({stream:r,task:u,resources:p.get("Resources")||t,operatorList:c,initialState:h}).then((function(){c.addOp(o.OPS.paintFormXObjectEnd,[]);b&&c.addOp(o.OPS.endGroup,[v]);y&&c.addOp(o.OPS.endMarkedContent,[])})));case 32:case"end":return i.stop()}}),_callee2,this)}))),function buildFormXObject(t,r,a,i,o,c,l){return B.apply(this,arguments)})},{key:"_sendImgData",value:function _sendImgData(t,r){var a=arguments.length>2&&void 0!==arguments[2]&&arguments[2],i=r?[r.data.buffer]:null;return this.parsingType3Font||a?this.handler.send("commonobj",[t,"Image",r],i):this.handler.send("obj",[t,this.pageIndex,"Image",r],i)}},{key:"buildPaintImageXObject",value:(b=_asyncToGenerator(i.default.mark((function _callee3(t){var r,a,c,l,u,h,d,p,m,g,y,b,v,S,k,C,_,x,A,R,I,P,O,E,B,D=this;return i.default.wrap((function _callee3$(i){for(;;)switch(i.prev=i.next){case 0:r=t.resources,a=t.image,c=t.isInline,l=void 0!==c&&c,u=t.operatorList,h=t.cacheKey,d=t.localImageCache,p=t.localColorSpaceCache;m=a.dict;g=m.objId;y=m.get("Width","W");b=m.get("Height","H");if(y&&(0,o.isNum)(y)&&b&&(0,o.isNum)(b)){i.next=8;break}(0,o.warn)("Image dimensions are missing, or not numbers.");return i.abrupt("return",void 0);case 8:if(!(-1!==(v=this.options.maxImageSize)&&y*b>v)){i.next=12;break}(0,o.warn)("Image exceeded maximum allowed size and was removed.");return i.abrupt("return",void 0);case 12:if(!m.get("ImageMask","IM")){i.next=25;break}C=m.get("Width","W");_=m.get("Height","H");x=C+7>>3;A=a.getBytes(x*_,!0);R=m.getArray("Decode","D");(S=T.PDFImage.createMask({imgArray:A,width:C,height:_,imageIsFromDecodeStream:a instanceof w.DecodeStream,inverseDecode:!!R&&R[0]>0})).cached=!!h;k=[S];u.addOp(o.OPS.paintImageMaskXObject,k);h&&d.set(h,g,{fn:o.OPS.paintImageMaskXObject,args:k});return i.abrupt("return",void 0);case 25:I=m.get("SMask","SM")||!1;P=m.get("Mask")||!1;if(!l||I||P||!(y+b<200)){i.next=33;break}O=new T.PDFImage({xref:this.xref,res:r,image:a,isInline:l,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:p});S=O.createImageData(!0);u.addOp(o.OPS.paintInlineImageXObject,[S]);return i.abrupt("return",void 0);case 33:E="img_".concat(this.idFactory.createObjId()),B=!1;this.parsingType3Font?E="".concat(this.idFactory.getDocId(),"_type3_").concat(E):g&&(B=this.globalImageCache.shouldCache(g,this.pageIndex))&&(E="".concat(this.idFactory.getDocId(),"_").concat(E));u.addDependency(E);k=[E,y,b];T.PDFImage.buildImage({xref:this.xref,res:r,image:a,isInline:l,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:p}).then((function(t){S=t.createImageData(!1);return D._sendImgData(E,S,B)})).catch((function(t){(0,o.warn)('Unable to decode image "'.concat(E,'": "').concat(t,'".'));return D._sendImgData(E,null,B)}));u.addOp(o.OPS.paintImageXObject,k);if(h){d.set(h,g,{fn:o.OPS.paintImageXObject,args:k});if(g){(0,o.assert)(!l,"Cannot cache an inline image globally.");this.globalImageCache.addPageIndex(g,this.pageIndex);B&&this.globalImageCache.setData(g,{objId:E,fn:o.OPS.paintImageXObject,args:k})}}return i.abrupt("return",void 0);case 41:case"end":return i.stop()}}),_callee3,this)}))),function buildPaintImageXObject(t){return b.apply(this,arguments)})},{key:"handleSMask",value:function handleSMask(t,r,a,i,o,c){var l=t.get("G"),u={subtype:t.get("S").name,backdrop:t.get("BC")},h=t.get("TR");if((0,y.isPDFFunction)(h)){for(var d=this._pdfFunctionFactory.create(h),p=new Uint8Array(256),m=new Float32Array(1),g=0;g<256;g++){m[0]=g/255;d(m,0,m,0);p[g]=255*m[0]|0}u.transferMap=p}return this.buildFormXObject(r,l,u,a,i,o.state.clone(),c)}},{key:"handleTransferFunction",value:function handleTransferFunction(t){var r;if(Array.isArray(t))r=t;else{if(!(0,y.isPDFFunction)(t))return null;r=[t]}var a,i=[],o=0,c=0,u=_createForOfIteratorHelper(r);try{for(u.s();!(a=u.n()).done;){var h=a.value,d=this.xref.fetchIfRef(h);o++;if((0,l.isName)(d,"Identity"))i.push(null);else{if(!(0,y.isPDFFunction)(d))return null;for(var p=this._pdfFunctionFactory.create(d),m=new Uint8Array(256),g=new Float32Array(1),b=0;b<256;b++){g[0]=b/255;p(g,0,g,0);m[b]=255*g[0]|0}i.push(m);c++}}}catch(t){u.e(t)}finally{u.f()}return 1!==o&&4!==o||0===c?null:i}},{key:"handleTilingType",value:function handleTilingType(t,r,a,i,c,u,h){var d=this,p=new A.OperatorList,m=l.Dict.merge({xref:this.xref,dictArray:[c.get("Resources"),a]});return this.getOperatorList({stream:i,task:h,resources:m,operatorList:p}).then((function(){return(0,g.getTilingPatternIR)({fnArray:p.fnArray,argsArray:p.argsArray},c,r)})).then((function(r){u.addDependencies(p.dependencies);u.addOp(t,r)}),(function(t){if(!(t instanceof o.AbortException)){if(!d.options.ignoreErrors)throw t;d.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorTilingPattern});(0,o.warn)('handleTilingType - ignoring pattern: "'.concat(t,'".'))}}))}},{key:"handleSetFont",value:function handleSetFont(t,r,a,i,c,l){var h,d=this,p=0;if(r){r=r.slice();h=r[0].name;p=r[1]}return this.loadFont(h,a,t).then((function(r){return r.font.isType3Font?r.loadType3Data(d,t,c).then((function(){i.addDependencies(r.type3Dependencies);return r})).catch((function(t){d.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorFontLoadType3});return new D({loadedName:"g_font_error",font:new u.ErrorFont("Type3 font load error: ".concat(t)),dict:r.font,extraProperties:d.options.fontExtraProperties})})):r})).then((function(t){l.font=t.font;l.fontSize=p;l.fontName=h;t.send(d.handler);return t.loadedName}))}},{key:"handleText",value:function handleText(t,r){var a=r.font,i=a.charsToGlyphs(t);if(a.data){(!!(r.textRenderingMode&o.TextRenderingMode.ADD_TO_PATH_FLAG)||"Pattern"===r.fillColorSpace.name||a.disableFontFace||this.options.disableFontFace)&&PartialEvaluator.buildFontPaths(a,i,this.handler)}return i}},{key:"ensureStateFont",value:function ensureStateFont(t){if(!t.font){var r=new o.FormatError("Missing setFont (Tf) operator before text rendering operator.");if(!this.options.ignoreErrors)throw r;this.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorFontState});(0,o.warn)('ensureStateFont: "'.concat(r,'".'))}}},{key:"setGState",value:(a=_asyncToGenerator(i.default.mark((function _callee4(t){var r,a,c,u,h,d,p,m,g,y,b,v,S,k,w,C,_=this;return i.default.wrap((function _callee4$(i){for(;;)switch(i.prev=i.next){case 0:r=t.resources,a=t.gState,c=t.operatorList,u=t.cacheKey,h=t.task,d=t.stateManager,p=t.localGStateCache,m=t.localColorSpaceCache;g=a.objId;y=!0;b=[];v=a.getKeys();S=Promise.resolve();k=function _loop(){var t=v[w],i=a.get(t);switch(t){case"Type":break;case"LW":case"LC":case"LJ":case"ML":case"D":case"RI":case"FL":case"CA":case"ca":b.push([t,i]);break;case"Font":y=!1;S=S.then((function(){return _.handleSetFont(r,null,i[0],c,h,d.state).then((function(r){c.addDependency(r);b.push([t,[r,i[1]]])}))}));break;case"BM":b.push([t,normalizeBlendMode(i)]);break;case"SMask":if((0,l.isName)(i,"None")){b.push([t,!1]);break}if((0,l.isDict)(i)){y=!1;S=S.then((function(){return _.handleSMask(i,r,c,h,d,m)}));b.push([t,!0])}else(0,o.warn)("Unsupported SMask type");break;case"TR":var u=_.handleTransferFunction(i);b.push([t,u]);break;case"OP":case"op":case"OPM":case"BG":case"BG2":case"UCR":case"UCR2":case"TR2":case"HT":case"SM":case"SA":case"AIS":case"TK":(0,o.info)("graphic state operator "+t);break;default:(0,o.info)("Unknown graphic state operator "+t)}};for(w=0,C=v.length;w<C;w++)k();return i.abrupt("return",S.then((function(){b.length>0&&c.addOp(o.OPS.setGState,[b]);y&&p.set(u,g,b)})));case 9:case"end":return i.stop()}}),_callee4)}))),function setGState(t){return a.apply(this,arguments)})},{key:"loadFont",value:function loadFont(t,r,a){var i,c=this,h=function errorFont(){return Promise.resolve(new D({loadedName:"g_font_error",font:new u.ErrorFont('Font "'.concat(t,'" is not available.')),dict:r,extraProperties:c.options.fontExtraProperties}))},d=this.xref;if(r){if(!(0,l.isRef)(r))throw new o.FormatError('The "font" object should be a reference.');i=r}else{var p=a.get("Font");p&&(i=p.getRaw(t))}if(!i){var m='Font "'.concat(t||r&&r.toString(),'" is not available');if(!this.options.ignoreErrors&&!this.parsingType3Font){(0,o.warn)("".concat(m,"."));return h()}this.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorFontMissing});(0,o.warn)("".concat(m," -- attempting to fallback to a default font."));i=PartialEvaluator.fallbackFontDict}if(this.fontCache.has(i))return this.fontCache.get(i);r=d.fetchIfRef(i);if(!(0,l.isDict)(r))return h();if(r.translated)return r.translated;var g,y,b=(0,o.createPromiseCapability)(),v=this.preEvaluateFont(r),S=v.descriptor,k=v.hash,w=(0,l.isRef)(i);w&&(g="f".concat(i.toString()));if(k&&(0,l.isDict)(S)){S.fontAliases||(S.fontAliases=Object.create(null));var C=S.fontAliases;if(C[k]){var _=C[k].aliasRef;if(w&&_&&this.fontCache.has(_)){this.fontCache.putAlias(i,_);return this.fontCache.get(i)}}else C[k]={fontID:this.idFactory.createFontId()};w&&(C[k].aliasRef=i);g=C[k].fontID}if(w)this.fontCache.put(i,b.promise);else{g||(g=this.idFactory.createFontId());this.fontCache.put("id_".concat(g),b.promise)}(0,o.assert)(g&&g.startsWith("f"),'The "fontID" must be (correctly) defined.');r.loadedName="".concat(this.idFactory.getDocId(),"_").concat(g);r.translated=b.promise;try{y=this.translateFont(v)}catch(t){y=Promise.reject(t)}y.then((function(t){if(void 0!==t.fontType){d.stats.fontTypes[t.fontType]=!0}b.resolve(new D({loadedName:r.loadedName,font:t,dict:r,extraProperties:c.options.fontExtraProperties}))})).catch((function(t){c.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorFontTranslate});try{var a=S&&S.get("FontFile3"),i=a&&a.get("Subtype"),l=(0,u.getFontType)(v.type,i&&i.name);d.stats.fontTypes[l]=!0}catch(t){}b.resolve(new D({loadedName:r.loadedName,font:new u.ErrorFont(t instanceof Error?t.message:t),dict:r,extraProperties:c.options.fontExtraProperties}))}));return b.promise}},{key:"buildPath",value:function buildPath(t,r,a){var i=arguments.length>3&&void 0!==arguments[3]&&arguments[3],c=t.length-1;a||(a=[]);if(c<0||t.fnArray[c]!==o.OPS.constructPath){if(i){(0,o.warn)('Encountered path operator "'.concat(r,'" inside of a text object.'));t.addOp(o.OPS.save,null)}t.addOp(o.OPS.constructPath,[[r],a]);i&&t.addOp(o.OPS.restore,null)}else{var l=t.argsArray[c];l[0].push(r);Array.prototype.push.apply(l[1],a)}}},{key:"parseColorSpace",value:function parseColorSpace(t){var r=this,a=t.cs,i=t.resources,c=t.localColorSpaceCache;return k.ColorSpace.parseAsync({cs:a,xref:this.xref,resources:i,pdfFunctionFactory:this._pdfFunctionFactory,localColorSpaceCache:c}).catch((function(t){if(t instanceof o.AbortException)return null;if(r.options.ignoreErrors){r.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorColorSpace});(0,o.warn)('parseColorSpace - ignoring ColorSpace: "'.concat(t,'".'));return null}throw t}))}},{key:"handleColorN",value:(r=_asyncToGenerator(i.default.mark((function _callee5(t,r,a,c,u,h,d,p){var m,y,b,v,S,k,w;return i.default.wrap((function _callee5$(i){for(;;)switch(i.prev=i.next){case 0:m=a[a.length-1];if(!(0,l.isName)(m)||!(y=u.get(m.name))){i.next=16;break}b=(0,l.isStream)(y)?y.dict:y;if((v=b.get("PatternType"))!==I){i.next=9;break}S=c.base?c.base.getRgb(a,0):null;return i.abrupt("return",this.handleTilingType(r,S,h,y,b,t,d));case 9:if(v!==P){i.next=15;break}k=b.get("Shading");w=b.getArray("Matrix");y=g.Pattern.parseShading(k,w,this.xref,h,this.handler,this._pdfFunctionFactory,p);t.addOp(r,y.getIR());return i.abrupt("return",void 0);case 15:throw new o.FormatError("Unknown PatternType: ".concat(v));case 16:throw new o.FormatError("Unknown PatternName: ".concat(m));case 17:case"end":return i.stop()}}),_callee5,this)}))),function handleColorN(t,a,i,o,c,l,u,h){return r.apply(this,arguments)})},{key:"parseMarkedContentProps",value:(t=_asyncToGenerator(i.default.mark((function _callee6(t,r){var a,c,u,h,d,p;return i.default.wrap((function _callee6$(i){for(;;)switch(i.prev=i.next){case 0:if(!(0,l.isName)(t)){i.next=5;break}c=r.get("Properties");a=c.get(t.name);i.next=10;break;case 5:if(!(0,l.isDict)(t)){i.next=9;break}a=t;i.next=10;break;case 9:throw new o.FormatError("Optional content properties malformed.");case 10:if("OCG"!==(u=a.get("Type").name)){i.next=15;break}return i.abrupt("return",{type:u,id:a.objId});case 15:if("OCMD"!==u){i.next=27;break}h=a.get("OCGs");if(!Array.isArray(h)&&!(0,l.isDict)(h)){i.next=25;break}d=[];Array.isArray(h)?a.get("OCGs").forEach((function(t){d.push(t.toString())})):d.push(h.objId);p=null;a.get("VE")&&(p=!0);return i.abrupt("return",{type:u,ids:d,policy:(0,l.isName)(a.get("P"))?a.get("P").name:null,expression:p});case 25:if(!(0,l.isRef)(h)){i.next=27;break}return i.abrupt("return",{type:u,id:h.toString()});case 27:return i.abrupt("return",null);case 28:case"end":return i.stop()}}),_callee6)}))),function parseMarkedContentProps(r,a){return t.apply(this,arguments)})},{key:"getOperatorList",value:function getOperatorList(t){var r=this,a=t.stream,i=t.task,c=t.resources,u=t.operatorList,h=t.initialState,d=void 0===h?null:h;c=c||l.Dict.empty;d=d||new N;if(!u)throw new Error('getOperatorList: missing "operatorList" parameter');var p=this,m=this.xref,y=!1,b=new v.LocalImageCache,S=new v.LocalColorSpaceCache,w=new v.LocalGStateCache,C=c.get("XObject")||l.Dict.empty,_=c.get("Pattern")||l.Dict.empty,x=new M(d),A=new U(a,m,x),T=new E;function closePendingRestoreOPS(t){for(var r=0,a=A.savedStatesDepth;r<a;r++)u.addOp(o.OPS.restore,[])}return new Promise((function promiseBody(t,r){var a=function next(a){Promise.all([a,u.ready]).then((function(){try{promiseBody(t,r)}catch(t){r(t)}}),r)};i.ensureNotTerminated();T.reset();for(var h,d,v,R,I,P={};!(h=T.check());){P.args=null;if(!A.read(P))break;var E=P.args,B=P.fn;switch(0|B){case o.OPS.paintXObject:if(I=E[0].name){var D=b.getByName(I);if(D){u.addOp(D.fn,D.args);E=null;continue}}a(new Promise((function(t,r){if(!I)throw new o.FormatError("XObject must be referred to by name.");var a=C.getRaw(I);if(a instanceof l.Ref){var h=b.getByRef(a);if(h){u.addOp(h.fn,h.args);t();return}var d=p.globalImageCache.getData(a,p.pageIndex);if(d){u.addDependency(d.objId);u.addOp(d.fn,d.args);t();return}a=m.fetch(a)}if(!(0,l.isStream)(a))throw new o.FormatError("XObject should be a stream");var g=a.dict.get("Subtype");if(!(0,l.isName)(g))throw new o.FormatError("XObject should have a Name subtype");if("Form"!==g.name)if("Image"!==g.name){if("PS"!==g.name)throw new o.FormatError("Unhandled XObject subtype ".concat(g.name));(0,o.info)("Ignored XObject subtype PS");t()}else p.buildPaintImageXObject({resources:c,image:a,operatorList:u,cacheKey:I,localImageCache:b,localColorSpaceCache:S}).then(t,r);else{x.save();p.buildFormXObject(c,a,null,u,i,x.state.clone(),S).then((function(){x.restore();t()}),r)}})).catch((function(t){if(!(t instanceof o.AbortException)){if(!p.options.ignoreErrors)throw t;p.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorXObject});(0,o.warn)('getOperatorList - ignoring XObject: "'.concat(t,'".'))}})));return;case o.OPS.setFont:var M=E[1];a(p.handleSetFont(c,E,null,u,i,x.state).then((function(t){u.addDependency(t);u.addOp(o.OPS.setFont,[t,M])})));return;case o.OPS.beginText:y=!0;break;case o.OPS.endText:y=!1;break;case o.OPS.endInlineImage:var L=E[0].cacheKey;if(L){var N=b.getByName(L);if(N){u.addOp(N.fn,N.args);E=null;continue}}a(p.buildPaintImageXObject({resources:c,image:E[0],isInline:!0,operatorList:u,cacheKey:L,localImageCache:b,localColorSpaceCache:S}));return;case o.OPS.showText:if(!x.state.font){p.ensureStateFont(x.state);continue}E[0]=p.handleText(E[0],x.state);break;case o.OPS.showSpacedText:if(!x.state.font){p.ensureStateFont(x.state);continue}var U=E[0],j=[],q=U.length,W=x.state;for(d=0;d<q;++d){var z=U[d];(0,o.isString)(z)?Array.prototype.push.apply(j,p.handleText(z,W)):(0,o.isNum)(z)&&j.push(z)}E[0]=j;B=o.OPS.showText;break;case o.OPS.nextLineShowText:if(!x.state.font){p.ensureStateFont(x.state);continue}u.addOp(o.OPS.nextLine);E[0]=p.handleText(E[0],x.state);B=o.OPS.showText;break;case o.OPS.nextLineSetSpacingShowText:if(!x.state.font){p.ensureStateFont(x.state);continue}u.addOp(o.OPS.nextLine);u.addOp(o.OPS.setWordSpacing,[E.shift()]);u.addOp(o.OPS.setCharSpacing,[E.shift()]);E[0]=p.handleText(E[0],x.state);B=o.OPS.showText;break;case o.OPS.setTextRenderingMode:x.state.textRenderingMode=E[0];break;case o.OPS.setFillColorSpace:var G=k.ColorSpace.getCached(E[0],m,S);if(G){x.state.fillColorSpace=G;continue}a(p.parseColorSpace({cs:E[0],resources:c,localColorSpaceCache:S}).then((function(t){t&&(x.state.fillColorSpace=t)})));return;case o.OPS.setStrokeColorSpace:var H=k.ColorSpace.getCached(E[0],m,S);if(H){x.state.strokeColorSpace=H;continue}a(p.parseColorSpace({cs:E[0],resources:c,localColorSpaceCache:S}).then((function(t){t&&(x.state.strokeColorSpace=t)})));return;case o.OPS.setFillColor:E=(R=x.state.fillColorSpace).getRgb(E,0);B=o.OPS.setFillRGBColor;break;case o.OPS.setStrokeColor:E=(R=x.state.strokeColorSpace).getRgb(E,0);B=o.OPS.setStrokeRGBColor;break;case o.OPS.setFillGray:x.state.fillColorSpace=k.ColorSpace.singletons.gray;E=k.ColorSpace.singletons.gray.getRgb(E,0);B=o.OPS.setFillRGBColor;break;case o.OPS.setStrokeGray:x.state.strokeColorSpace=k.ColorSpace.singletons.gray;E=k.ColorSpace.singletons.gray.getRgb(E,0);B=o.OPS.setStrokeRGBColor;break;case o.OPS.setFillCMYKColor:x.state.fillColorSpace=k.ColorSpace.singletons.cmyk;E=k.ColorSpace.singletons.cmyk.getRgb(E,0);B=o.OPS.setFillRGBColor;break;case o.OPS.setStrokeCMYKColor:x.state.strokeColorSpace=k.ColorSpace.singletons.cmyk;E=k.ColorSpace.singletons.cmyk.getRgb(E,0);B=o.OPS.setStrokeRGBColor;break;case o.OPS.setFillRGBColor:x.state.fillColorSpace=k.ColorSpace.singletons.rgb;E=k.ColorSpace.singletons.rgb.getRgb(E,0);break;case o.OPS.setStrokeRGBColor:x.state.strokeColorSpace=k.ColorSpace.singletons.rgb;E=k.ColorSpace.singletons.rgb.getRgb(E,0);break;case o.OPS.setFillColorN:if("Pattern"===(R=x.state.fillColorSpace).name){a(p.handleColorN(u,o.OPS.setFillColorN,E,R,_,c,i,S));return}E=R.getRgb(E,0);B=o.OPS.setFillRGBColor;break;case o.OPS.setStrokeColorN:if("Pattern"===(R=x.state.strokeColorSpace).name){a(p.handleColorN(u,o.OPS.setStrokeColorN,E,R,_,c,i,S));return}E=R.getRgb(E,0);B=o.OPS.setStrokeRGBColor;break;case o.OPS.shadingFill:var V=c.get("Shading");if(!V)throw new o.FormatError("No shading resource found");var X=V.get(E[0].name);if(!X)throw new o.FormatError("No shading object found");E=[g.Pattern.parseShading(X,null,m,c,p.handler,p._pdfFunctionFactory,S).getIR()];B=o.OPS.shadingFill;break;case o.OPS.setGState:if(I=E[0].name){var Y=w.getByName(I);if(Y){Y.length>0&&u.addOp(o.OPS.setGState,[Y]);E=null;continue}}a(new Promise((function(t,r){if(!I)throw new o.FormatError("GState must be referred to by name.");var a=c.get("ExtGState");if(!(a instanceof l.Dict))throw new o.FormatError("ExtGState should be a dictionary.");var h=a.get(I);if(!(h instanceof l.Dict))throw new o.FormatError("GState should be a dictionary.");p.setGState({resources:c,gState:h,operatorList:u,cacheKey:I,task:i,stateManager:x,localGStateCache:w,localColorSpaceCache:S}).then(t,r)})).catch((function(t){if(!(t instanceof o.AbortException)){if(!p.options.ignoreErrors)throw t;p.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorExtGState});(0,o.warn)('getOperatorList - ignoring ExtGState: "'.concat(t,'".'))}})));return;case o.OPS.moveTo:case o.OPS.lineTo:case o.OPS.curveTo:case o.OPS.curveTo2:case o.OPS.curveTo3:case o.OPS.closePath:case o.OPS.rectangle:p.buildPath(u,B,E,y);continue;case o.OPS.markPoint:case o.OPS.markPointProps:case o.OPS.beginCompat:case o.OPS.endCompat:continue;case o.OPS.beginMarkedContentProps:if(!(0,l.isName)(E[0])){(0,o.warn)("Expected name for beginMarkedContentProps arg0=".concat(E[0]));continue}if("OC"===E[0].name){a(p.parseMarkedContentProps(E[1],c).then((function(t){u.addOp(o.OPS.beginMarkedContentProps,["OC",t])})).catch((function(t){if(!(t instanceof o.AbortException)){if(!p.options.ignoreErrors)throw t;p.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorMarkedContent});(0,o.warn)('getOperatorList - ignoring beginMarkedContentProps: "'.concat(t,'".'))}})));return}E=[E[0].name];break;case o.OPS.beginMarkedContent:case o.OPS.endMarkedContent:default:if(null!==E){for(d=0,v=E.length;d<v&&!(E[d]instanceof l.Dict);d++);if(d<v){(0,o.warn)("getOperatorList - ignoring operator: "+B);continue}}}u.addOp(B,E)}if(h)a(O);else{closePendingRestoreOPS();t()}})).catch((function(t){if(!(t instanceof o.AbortException)){if(!r.options.ignoreErrors)throw t;r.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorOperatorList});(0,o.warn)('getOperatorList - ignoring errors during "'.concat(i.name,'" ')+'task: "'.concat(t,'".'));closePendingRestoreOPS()}}))}},{key:"getTextContent",value:function getTextContent(t){var r=this,a=t.stream,i=t.task,c=t.resources,u=t.stateManager,h=void 0===u?null:u,d=t.normalizeWhitespace,m=void 0!==d&&d,g=t.combineTextItems,y=void 0!==g&&g,b=t.sink,k=t.seenStyles,w=void 0===k?Object.create(null):k;c=c||l.Dict.empty;h=h||new M(new L);var C,_=/\s/g,x={items:[],styles:Object.create(null)},A={initialized:!1,str:[],width:0,height:0,vertical:!1,lastAdvanceWidth:0,lastAdvanceHeight:0,textAdvanceScale:0,spaceWidth:0,fakeSpaceMin:1/0,fakeMultiSpaceMin:1/0,fakeMultiSpaceMax:-0,textRunBreakAllowed:!1,transform:null,fontName:null},T=this,R=this.xref,I=null,P=new v.LocalImageCache,B=new v.LocalGStateCache,D=new U(a,R,h);function ensureTextContentItem(){if(A.initialized)return A;var t=C.font;if(!(t.loadedName in w)){w[t.loadedName]=!0;x.styles[t.loadedName]={fontFamily:t.fallbackName,ascent:t.ascent,descent:t.descent,vertical:t.vertical}}A.fontName=t.loadedName;var r=[C.fontSize*C.textHScale,0,0,C.fontSize,0,C.textRise];if(t.isType3Font&&C.fontSize<=1&&!(0,o.isArrayEqual)(C.fontMatrix,o.FONT_IDENTITY_MATRIX)){var a=t.bbox[3]-t.bbox[1];a>0&&(r[3]*=a*C.fontMatrix[3])}var i=o.Util.transform(C.ctm,o.Util.transform(C.textMatrix,r));A.transform=i;if(t.vertical){A.width=Math.sqrt(i[0]*i[0]+i[1]*i[1]);A.height=0;A.vertical=!0}else{A.width=0;A.height=Math.sqrt(i[2]*i[2]+i[3]*i[3]);A.vertical=!1}var c=C.textLineMatrix[0],l=C.textLineMatrix[1],u=Math.sqrt(c*c+l*l);c=C.ctm[0];l=C.ctm[1];var h=Math.sqrt(c*c+l*l);A.textAdvanceScale=h*u;A.lastAdvanceWidth=0;A.lastAdvanceHeight=0;var d=t.spaceWidth/1e3*C.fontSize;if(d){A.spaceWidth=d;A.fakeSpaceMin=.3*d;A.fakeMultiSpaceMin=1.5*d;A.fakeMultiSpaceMax=4*d;A.textRunBreakAllowed=!t.isMonospace}else{A.spaceWidth=0;A.fakeSpaceMin=1/0;A.fakeMultiSpaceMin=1/0;A.fakeMultiSpaceMax=0;A.textRunBreakAllowed=!1}A.initialized=!0;return A}function replaceWhitespace(t){for(var r,a=0,i=t.length;a<i&&(r=t.charCodeAt(a))>=32&&r<=127;)a++;return a<i?t.replace(_," "):t}function handleSetFont(t,r){return T.loadFont(t,r,c).then((function(t){C.font=t.font;C.fontMatrix=t.font.fontMatrix||o.FONT_IDENTITY_MATRIX}))}function buildTextContentItem(t){for(var r=C.font,a=ensureTextContentItem(),i=0,o=0,c=r.charsToGlyphs(t),l=0;l<c.length;l++){var u=c[l],h=null;h=r.vertical&&u.vmetric?u.vmetric[0]:u.width;var d=u.unicode,m=(0,p.getNormalizedUnicodes)();void 0!==m[d]&&(d=m[d]);d=(0,p.reverseIfRtl)(d);var g=C.charSpacing;if(u.isSpace){var y=C.wordSpacing;g+=y;y>0&&addFakeSpaces(y,a.str)}var b=0,v=0;if(r.vertical){o+=v=h*C.fontMatrix[0]*C.fontSize+g}else{i+=b=(h*C.fontMatrix[0]*C.fontSize+g)*C.textHScale}C.translateTextMatrix(b,v);a.str.push(d)}if(r.vertical){a.lastAdvanceHeight=o;a.height+=Math.abs(o)}else{a.lastAdvanceWidth=i;a.width+=i}return a}function addFakeSpaces(t,r){if(!(t<A.fakeSpaceMin))if(t<A.fakeMultiSpaceMin)r.push(" ");else for(var a=Math.round(t/A.spaceWidth);a-- >0;)r.push(" ")}function flushTextContentItem(){if(A.initialized){A.vertical?A.height*=A.textAdvanceScale:A.width*=A.textAdvanceScale;x.items.push(function runBidiTransform(t){var r=t.str.join(""),a=(0,S.bidi)(r,-1,t.vertical);return{str:m?replaceWhitespace(a.str):a.str,dir:a.dir,width:t.width,height:t.height,transform:t.transform,fontName:t.fontName}}(A));A.initialized=!1;A.str.length=0}}function enqueueChunk(){var t=x.items.length;if(t>0){b.enqueue(x,t);x.items=[];x.styles=Object.create(null)}}var N=new E;return new Promise((function promiseBody(t,r){var a=function next(a){enqueueChunk();Promise.all([a,b.ready]).then((function(){try{promiseBody(t,r)}catch(t){r(t)}}),r)};i.ensureNotTerminated();N.reset();for(var u,d={},p=[];!(u=N.check());){p.length=0;d.args=p;if(!D.read(d))break;C=h.state;var g,v=d.fn;p=d.args;switch(0|v){case o.OPS.setFont:var S=p[0].name,k=p[1];if(C.font&&S===C.fontName&&k===C.fontSize)break;flushTextContentItem();C.fontName=S;C.fontSize=k;a(handleSetFont(S,null));return;case o.OPS.setTextRise:flushTextContentItem();C.textRise=p[0];break;case o.OPS.setHScale:flushTextContentItem();C.textHScale=p[0]/100;break;case o.OPS.setLeading:flushTextContentItem();C.leading=p[0];break;case o.OPS.moveText:var _=!!C.font&&0===(C.font.vertical?p[0]:p[1]);g=p[0]-p[1];if(y&&_&&A.initialized&&g>0&&g<=A.fakeMultiSpaceMax){C.translateTextLineMatrix(p[0],p[1]);A.width+=p[0]-A.lastAdvanceWidth;A.height+=p[1]-A.lastAdvanceHeight;addFakeSpaces(p[0]-A.lastAdvanceWidth-(p[1]-A.lastAdvanceHeight),A.str);break}flushTextContentItem();C.translateTextLineMatrix(p[0],p[1]);C.textMatrix=C.textLineMatrix.slice();break;case o.OPS.setLeadingMoveText:flushTextContentItem();C.leading=-p[1];C.translateTextLineMatrix(p[0],p[1]);C.textMatrix=C.textLineMatrix.slice();break;case o.OPS.nextLine:flushTextContentItem();C.carriageReturn();break;case o.OPS.setTextMatrix:g=C.calcTextLineMatrixAdvance(p[0],p[1],p[2],p[3],p[4],p[5]);if(y&&null!==g&&A.initialized&&g.value>0&&g.value<=A.fakeMultiSpaceMax){C.translateTextLineMatrix(g.width,g.height);A.width+=g.width-A.lastAdvanceWidth;A.height+=g.height-A.lastAdvanceHeight;addFakeSpaces(g.width-A.lastAdvanceWidth-(g.height-A.lastAdvanceHeight),A.str);break}flushTextContentItem();C.setTextMatrix(p[0],p[1],p[2],p[3],p[4],p[5]);C.setTextLineMatrix(p[0],p[1],p[2],p[3],p[4],p[5]);break;case o.OPS.setCharSpacing:C.charSpacing=p[0];break;case o.OPS.setWordSpacing:C.wordSpacing=p[0];break;case o.OPS.beginText:flushTextContentItem();C.textMatrix=o.IDENTITY_MATRIX.slice();C.textLineMatrix=o.IDENTITY_MATRIX.slice();break;case o.OPS.showSpacedText:if(!h.state.font){T.ensureStateFont(h.state);continue}for(var E,L=p[0],U=0,j=L.length;U<j;U++)if("string"==typeof L[U])buildTextContentItem(L[U]);else if((0,o.isNum)(L[U])){ensureTextContentItem();g=L[U]*C.fontSize/1e3;var q=!1;if(C.font.vertical){E=g;C.translateTextMatrix(0,E);(q=A.textRunBreakAllowed&&g>A.fakeMultiSpaceMax)||(A.height+=E)}else{E=(g=-g)*C.textHScale;C.translateTextMatrix(E,0);(q=A.textRunBreakAllowed&&g>A.fakeMultiSpaceMax)||(A.width+=E)}q?flushTextContentItem():g>0&&addFakeSpaces(g,A.str)}break;case o.OPS.showText:if(!h.state.font){T.ensureStateFont(h.state);continue}buildTextContentItem(p[0]);break;case o.OPS.nextLineShowText:if(!h.state.font){T.ensureStateFont(h.state);continue}flushTextContentItem();C.carriageReturn();buildTextContentItem(p[0]);break;case o.OPS.nextLineSetSpacingShowText:if(!h.state.font){T.ensureStateFont(h.state);continue}flushTextContentItem();C.wordSpacing=p[0];C.charSpacing=p[1];C.carriageReturn();buildTextContentItem(p[2]);break;case o.OPS.paintXObject:flushTextContentItem();I||(I=c.get("XObject")||l.Dict.empty);var W=p[0].name;if(W&&P.getByName(W))break;a(new Promise((function(t,r){if(!W)throw new o.FormatError("XObject must be referred to by name.");var a=I.getRaw(W);if(a instanceof l.Ref){if(P.getByRef(a)){t();return}a=R.fetch(a)}if(!(0,l.isStream)(a))throw new o.FormatError("XObject should be a stream");var u=a.dict.get("Subtype");if(!(0,l.isName)(u))throw new o.FormatError("XObject should have a Name subtype");if("Form"===u.name){var d=h.state.clone(),p=new M(d),g=a.dict.getArray("Matrix");Array.isArray(g)&&6===g.length&&p.transform(g);enqueueChunk();var v={enqueueInvoked:!1,enqueue:function enqueue(t,r){this.enqueueInvoked=!0;b.enqueue(t,r)},get desiredSize(){return b.desiredSize},get ready(){return b.ready}};T.getTextContent({stream:a,task:i,resources:a.dict.get("Resources")||c,stateManager:p,normalizeWhitespace:m,combineTextItems:y,sink:v,seenStyles:w}).then((function(){v.enqueueInvoked||P.set(W,a.dict.objId,!0);t()}),r)}else{P.set(W,a.dict.objId,!0);t()}})).catch((function(t){if(!(t instanceof o.AbortException)){if(!T.options.ignoreErrors)throw t;(0,o.warn)('getTextContent - ignoring XObject: "'.concat(t,'".'))}})));return;case o.OPS.setGState:if((W=p[0].name)&&B.getByName(W))break;a(new Promise((function(t,r){if(!W)throw new o.FormatError("GState must be referred to by name.");var a=c.get("ExtGState");if(!(a instanceof l.Dict))throw new o.FormatError("ExtGState should be a dictionary.");var i=a.get(W);if(!(i instanceof l.Dict))throw new o.FormatError("GState should be a dictionary.");var u=i.get("Font");if(u){flushTextContentItem();C.fontName=null;C.fontSize=u[1];handleSetFont(null,u[0]).then(t,r)}else{B.set(W,i.objId,!0);t()}})).catch((function(t){if(!(t instanceof o.AbortException)){if(!T.options.ignoreErrors)throw t;(0,o.warn)('getTextContent - ignoring ExtGState: "'.concat(t,'".'))}})));return}if(x.items.length>=b.desiredSize){u=!0;break}}if(u)a(O);else{flushTextContentItem();enqueueChunk();t()}})).catch((function(t){if(!(t instanceof o.AbortException)){if(!r.options.ignoreErrors)throw t;(0,o.warn)('getTextContent - ignoring errors during "'.concat(i.name,'" ')+'task: "'.concat(t,'".'));flushTextContentItem();enqueueChunk()}}))}},{key:"extractDataStructures",value:function extractDataStructures(t,r,a){var i,c=this,d=this.xref,p=t.get("ToUnicode")||r.get("ToUnicode"),m=p?this.readToUnicode(p):Promise.resolve(void 0);if(a.composite){var g=t.get("CIDSystemInfo");(0,l.isDict)(g)&&(a.cidSystemInfo={registry:(0,o.stringToPDFString)(g.get("Registry")),ordering:(0,o.stringToPDFString)(g.get("Ordering")),supplement:g.get("Supplement")});var y=t.get("CIDToGIDMap");(0,l.isStream)(y)&&(i=y.getBytes())}var b,v=[],S=null;if(t.has("Encoding")){b=t.get("Encoding");if((0,l.isDict)(b)){S=b.get("BaseEncoding");S=(0,l.isName)(S)?S.name:null;if(b.has("Differences"))for(var k=b.get("Differences"),w=0,C=0,_=k.length;C<_;C++){var x=d.fetchIfRef(k[C]);if((0,o.isNum)(x))w=x;else{if(!(0,l.isName)(x))throw new o.FormatError("Invalid entry in 'Differences' array: ".concat(x));v[w++]=x.name}}}else{if(!(0,l.isName)(b))throw new o.FormatError("Encoding is not a Name nor a Dict");S=b.name}"MacRomanEncoding"!==S&&"MacExpertEncoding"!==S&&"WinAnsiEncoding"!==S&&(S=null)}if(S)a.defaultEncoding=(0,h.getEncoding)(S).slice();else{var A=!!(a.flags&u.FontFlags.Symbolic),T=!!(a.flags&u.FontFlags.Nonsymbolic);b=h.StandardEncoding;"TrueType"!==a.type||T||(b=h.WinAnsiEncoding);if(A){b=h.MacRomanEncoding;a.file||(/Symbol/i.test(a.name)?b=h.SymbolSetEncoding:/Dingbats|Wingdings/i.test(a.name)&&(b=h.ZapfDingbatsEncoding))}a.defaultEncoding=b}a.differences=v;a.baseEncodingName=S;a.hasEncoding=!!S||v.length>0;a.dict=t;return m.then((function(t){a.toUnicode=t;return c.buildToUnicode(a)})).then((function(t){a.toUnicode=t;i&&(a.cidToGidMap=c.readCidToGidMap(i,t));return a}))}},{key:"_buildSimpleFontToUnicode",value:function _buildSimpleFontToUnicode(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];(0,o.assert)(!t.composite,"Must be a simple font.");var a=[],i=t.defaultEncoding.slice(),c=t.baseEncodingName,l=t.differences;for(var d in l){var m=l[d];".notdef"!==m&&(i[d]=m)}var g=(0,C.getGlyphsUnicode)();for(var y in i){var b=i[y];if(""!==b)if(void 0!==g[b])a[y]=String.fromCharCode(g[b]);else{var v=0;switch(b[0]){case"G":3===b.length&&(v=parseInt(b.substring(1),16));break;case"g":5===b.length&&(v=parseInt(b.substring(1),16));break;case"C":case"c":if(b.length>=3&&b.length<=4){var S=b.substring(1);if(r){v=parseInt(S,16);break}v=+S;if(Number.isNaN(v)&&Number.isInteger(parseInt(S,16)))return this._buildSimpleFontToUnicode(t,!0)}break;default:var k=(0,p.getUnicodeForGlyph)(b,g);-1!==k&&(v=k)}if(v>0&&v<=1114111&&Number.isInteger(v)){if(c&&v===+y){var w=(0,h.getEncoding)(c);if(w&&(b=w[y])){a[y]=String.fromCharCode(g[b]);continue}}a[y]=String.fromCodePoint(v)}}}return new u.ToUnicodeMap(a)}},{key:"buildToUnicode",value:function buildToUnicode(t){t.hasIncludedToUnicodeMap=!!t.toUnicode&&t.toUnicode.length>0;if(t.hasIncludedToUnicodeMap){!t.composite&&t.hasEncoding&&(t.fallbackToUnicode=this._buildSimpleFontToUnicode(t));return Promise.resolve(t.toUnicode)}if(!t.composite)return Promise.resolve(this._buildSimpleFontToUnicode(t));if(t.composite&&(t.cMap.builtInCMap&&!(t.cMap instanceof c.IdentityCMap)||"Adobe"===t.cidSystemInfo.registry&&("GB1"===t.cidSystemInfo.ordering||"CNS1"===t.cidSystemInfo.ordering||"Japan1"===t.cidSystemInfo.ordering||"Korea1"===t.cidSystemInfo.ordering))){var r=t.cidSystemInfo.registry,a=t.cidSystemInfo.ordering,i=l.Name.get(r+"-"+a+"-UCS2");return c.CMapFactory.create({encoding:i,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(r){var a=t.cMap,i=[];a.forEach((function(t,a){if(a>65535)throw new o.FormatError("Max size of CID is 65,535");var c=r.lookup(a);c&&(i[t]=String.fromCharCode((c.charCodeAt(0)<<8)+c.charCodeAt(1)))}));return new u.ToUnicodeMap(i)}))}return Promise.resolve(new u.IdentityToUnicodeMap(t.firstChar,t.lastChar))}},{key:"readToUnicode",value:function readToUnicode(t){var r=this,a=t;return(0,l.isName)(a)?c.CMapFactory.create({encoding:a,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(t){return t instanceof c.IdentityCMap?new u.IdentityToUnicodeMap(0,65535):new u.ToUnicodeMap(t.getMap())})):(0,l.isStream)(a)?c.CMapFactory.create({encoding:a,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(t){if(t instanceof c.IdentityCMap)return new u.IdentityToUnicodeMap(0,65535);var r=new Array(t.length);t.forEach((function(t,a){for(var i=[],o=0;o<a.length;o+=2){var c=a.charCodeAt(o)<<8|a.charCodeAt(o+1);if(55296==(63488&c)){o+=2;var l=a.charCodeAt(o)<<8|a.charCodeAt(o+1);i.push(((1023&c)<<10)+(1023&l)+65536)}else i.push(c)}r[t]=String.fromCodePoint.apply(String,i)}));return new u.ToUnicodeMap(r)}),(function(t){if(t instanceof o.AbortException)return null;if(r.options.ignoreErrors){r.handler.send("UnsupportedFeature",{featureId:o.UNSUPPORTED_FEATURES.errorFontToUnicode});(0,o.warn)('readToUnicode - ignoring ToUnicode data: "'.concat(t,'".'));return null}throw t})):Promise.resolve(null)}},{key:"readCidToGidMap",value:function readCidToGidMap(t,r){for(var a=[],i=0,o=t.length;i<o;i++){var c=t[i++]<<8|t[i],l=i>>1;(0!==c||r.has(l))&&(a[l]=c)}return a}},{key:"extractWidths",value:function extractWidths(t,r,a){var i,o,c,h,d,p,m,g,y=this.xref,b=[],v=0,S=[];if(a.composite){v=t.has("DW")?t.get("DW"):1e3;if(g=t.get("W"))for(o=0,c=g.length;o<c;o++){p=y.fetchIfRef(g[o++]);m=y.fetchIfRef(g[o]);if(Array.isArray(m))for(h=0,d=m.length;h<d;h++)b[p++]=y.fetchIfRef(m[h]);else{var k=y.fetchIfRef(g[++o]);for(h=p;h<=m;h++)b[h]=k}}if(a.vertical){var w=t.getArray("DW2")||[880,-1e3];i=[w[1],.5*v,w[0]];if(w=t.get("W2"))for(o=0,c=w.length;o<c;o++){p=y.fetchIfRef(w[o++]);m=y.fetchIfRef(w[o]);if(Array.isArray(m))for(h=0,d=m.length;h<d;h++)S[p++]=[y.fetchIfRef(m[h++]),y.fetchIfRef(m[h++]),y.fetchIfRef(m[h])];else{var C=[y.fetchIfRef(w[++o]),y.fetchIfRef(w[++o]),y.fetchIfRef(w[++o])];for(h=p;h<=m;h++)S[h]=C}}}}else{var _=a.firstChar;if(g=t.get("Widths")){h=_;for(o=0,c=g.length;o<c;o++)b[h++]=y.fetchIfRef(g[o]);v=parseFloat(r.get("MissingWidth"))||0}else{var x=t.get("BaseFont");if((0,l.isName)(x)){var A=this.getBaseFontMetrics(x.name);b=this.buildCharCodeToWidth(A.widths,a);v=A.defaultWidth}}}var T=!0,R=v;for(var I in b){var P=b[I];if(P)if(R){if(R!==P){T=!1;break}}else R=P}T&&(a.flags|=u.FontFlags.FixedPitch);a.defaultWidth=v;a.widths=b;a.defaultVMetrics=i;a.vmetrics=S}},{key:"isSerifFont",value:function isSerifFont(t){var r=t.split("-")[0];return r in(0,m.getSerifFonts)()||-1!==r.search(/serif/gi)}},{key:"getBaseFontMetrics",value:function getBaseFontMetrics(t){var r=0,a=[],i=!1,c=(0,m.getStdFontMap)()[t]||t,l=(0,_.getMetrics)();c in l||(c=this.isSerifFont(t)?"Times-Roman":"Helvetica");var u=l[c];if((0,o.isNum)(u)){r=u;i=!0}else a=u();return{defaultWidth:r,monospace:i,widths:a}}},{key:"buildCharCodeToWidth",value:function buildCharCodeToWidth(t,r){for(var a=Object.create(null),i=r.differences,o=r.defaultEncoding,c=0;c<256;c++)c in i&&t[i[c]]?a[c]=t[i[c]]:c in o&&t[o[c]]&&(a[c]=t[o[c]]);return a}},{key:"preEvaluateFont",value:function preEvaluateFont(t){var r=t,a=t.get("Subtype");if(!(0,l.isName)(a))throw new o.FormatError("invalid font Subtype");var i,c=!1;if("Type0"===a.name){var u=t.get("DescendantFonts");if(!u)throw new o.FormatError("Descendant fonts are not specified");a=(t=Array.isArray(u)?this.xref.fetchIfRef(u[0]):u).get("Subtype");if(!(0,l.isName)(a))throw new o.FormatError("invalid font Subtype");c=!0}var h=t.get("FontDescriptor");if(h){var d=new x.MurmurHash3_64,p=r.getRaw("Encoding");if((0,l.isName)(p))d.update(p.name);else if((0,l.isRef)(p))d.update(p.toString());else if((0,l.isDict)(p)){var m,g=_createForOfIteratorHelper(p.getRawValues());try{for(g.s();!(m=g.n()).done;){var y=m.value;if((0,l.isName)(y))d.update(y.name);else if((0,l.isRef)(y))d.update(y.toString());else if(Array.isArray(y)){for(var b=y.length,v=new Array(b),S=0;S<b;S++){var k=y[S];(0,l.isName)(k)?v[S]=k.name:((0,o.isNum)(k)||(0,l.isRef)(k))&&(v[S]=k.toString())}d.update(v.join())}}}catch(t){g.e(t)}finally{g.f()}}var w=t.get("FirstChar")||0,C=t.get("LastChar")||(c?65535:255);d.update("".concat(w,"-").concat(C));var _=t.get("ToUnicode")||r.get("ToUnicode");if((0,l.isStream)(_)){var A=_.str||_;i=A.buffer?new Uint8Array(A.buffer.buffer,0,A.bufferLength):new Uint8Array(A.bytes.buffer,A.start,A.end-A.start);d.update(i)}else(0,l.isName)(_)&&d.update(_.name);var T=t.get("Widths")||r.get("Widths");if(T){i=new Uint8Array(new Uint32Array(T).buffer);d.update(i)}}return{descriptor:h,dict:t,baseDict:r,composite:c,type:a.name,hash:d?d.hexdigest():""}}},{key:"translateFont",value:function translateFont(t){var r,a=this,i=t.baseDict,h=t.dict,d=t.composite,p=t.descriptor,g=t.type,y=d?65535:255,b=h.get("FirstChar")||0,v=h.get("LastChar")||y;if(!p){if("Type3"!==g){var S=h.get("BaseFont");if(!(0,l.isName)(S))throw new o.FormatError("Base font is not specified");S=S.name.replace(/[,_]/g,"-");var k=this.getBaseFontMetrics(S),w=S.split("-")[0],C=(this.isSerifFont(w)?u.FontFlags.Serif:0)|(k.monospace?u.FontFlags.FixedPitch:0)|((0,m.getSymbolsFonts)()[w]?u.FontFlags.Symbolic:u.FontFlags.Nonsymbolic);r={type:g,name:S,widths:k.widths,defaultWidth:k.defaultWidth,flags:C,firstChar:b,lastChar:v};var _=h.get("Widths");return this.extractDataStructures(h,h,r).then((function(t){if(_){for(var r=[],i=b,o=0,c=_.length;o<c;o++)r[i++]=a.xref.fetchIfRef(_[o]);t.widths=r}else t.widths=a.buildCharCodeToWidth(k.widths,t);return new u.Font(S,null,t)}))}(p=new l.Dict(null)).set("FontName",l.Name.get(g));p.set("FontBBox",h.getArray("FontBBox")||[0,0,0,0])}var x=p.get("FontName"),A=h.get("BaseFont");(0,o.isString)(x)&&(x=l.Name.get(x));(0,o.isString)(A)&&(A=l.Name.get(A));if("Type3"!==g){var T=x&&x.name,R=A&&A.name;if(T!==R){(0,o.info)("The FontDescriptor's FontName is \"".concat(T,'" but ')+"should be the same as the Font's BaseFont \"".concat(R,'".'));T&&R&&R.startsWith(T)&&(x=A)}}x=x||A;if(!(0,l.isName)(x))throw new o.FormatError("invalid font name");var I,P=p.get("FontFile","FontFile2","FontFile3");if(P&&P.dict){var O=P.dict.get("Subtype");O&&(O=O.name);var E=P.dict.get("Length1"),B=P.dict.get("Length2"),D=P.dict.get("Length3")}r={type:g,name:x.name,subtype:O,file:P,length1:E,length2:B,length3:D,loadedName:i.loadedName,composite:d,fixedPitch:!1,fontMatrix:h.getArray("FontMatrix")||o.FONT_IDENTITY_MATRIX,firstChar:b||0,lastChar:v||y,bbox:p.getArray("FontBBox"),ascent:p.get("Ascent"),descent:p.get("Descent"),xHeight:p.get("XHeight"),capHeight:p.get("CapHeight"),flags:p.get("Flags"),italicAngle:p.get("ItalicAngle"),isType3Font:!1};if(d){var M=i.get("Encoding");(0,l.isName)(M)&&(r.cidEncoding=M.name);I=c.CMapFactory.create({encoding:M,fetchBuiltInCMap:this._fetchBuiltInCMapBound,useCMap:null}).then((function(t){r.cMap=t;r.vertical=r.cMap.vertical}))}else I=Promise.resolve(void 0);return I.then((function(){return a.extractDataStructures(h,i,r)})).then((function(t){a.extractWidths(h,p,t);"Type3"===g&&(t.isType3Font=!0);return new u.Font(x.name,P,t)}))}},{key:"_pdfFunctionFactory",get:function get(){var t=new y.PDFFunctionFactory({xref:this.xref,isEvalSupported:this.options.isEvalSupported});return(0,o.shadow)(this,"_pdfFunctionFactory",t)}}],[{key:"buildFontPaths",value:function buildFontPaths(t,r,a){function buildPath(r){t.renderer.hasBuiltPath(r)||a.send("commonobj",["".concat(t.loadedName,"_path_").concat(r),"FontPath",t.renderer.getPathJs(r)])}var i,o=_createForOfIteratorHelper(r);try{for(o.s();!(i=o.n()).done;){var c=i.value;buildPath(c.fontChar);var l=c.accent;l&&l.fontChar&&buildPath(l.fontChar)}}catch(t){o.e(t)}finally{o.f()}}},{key:"fallbackFontDict",get:function get(){var t=new l.Dict;t.set("BaseFont",l.Name.get("PDFJS-FallbackFont"));t.set("Type",l.Name.get("FallbackType"));t.set("Subtype",l.Name.get("FallbackType"));t.set("Encoding",l.Name.get("WinAnsiEncoding"));return(0,o.shadow)(this,"fallbackFontDict",t)}}]);var t,r,a,b,B,j;return PartialEvaluator}();r.PartialEvaluator=B;var D=function(){function TranslatedFont(t){var r=t.loadedName,a=t.font,i=t.dict,o=t.extraProperties,c=void 0!==o&&o;_classCallCheck(this,TranslatedFont);this.loadedName=r;this.font=a;this.dict=i;this._extraProperties=c;this.type3Loaded=null;this.type3Dependencies=a.isType3Font?new Set:null;this.sent=!1}_createClass(TranslatedFont,[{key:"send",value:function send(t){if(!this.sent){this.sent=!0;t.send("commonobj",[this.loadedName,"Font",this.font.exportData(this._extraProperties)])}}},{key:"fallback",value:function fallback(t){if(this.font.data){this.font.disableFontFace=!0;var r=this.font.glyphCacheValues;B.buildFontPaths(this.font,r,t)}}},{key:"loadType3Data",value:function loadType3Data(t,r,a){if(this.type3Loaded)return this.type3Loaded;if(!this.font.isType3Font)throw new Error("Must be a Type3 font.");var i=Object.create(t.options);i.ignoreErrors=!1;var c=t.clone(i);c.parsingType3Font=!0;var l,u=this.font,h=this.type3Dependencies,d=Promise.resolve(),p=this.dict.get("CharProcs"),m=this.dict.get("Resources")||r,g=Object.create(null),y=_createForOfIteratorHelper(p.getKeys());try{var b=function _loop2(){var t=l.value;d=d.then((function(){var r=p.get(t),i=new A.OperatorList;return c.getOperatorList({stream:r,task:a,resources:m,operatorList:i}).then((function(){g[t]=i.getIR();var r,a=_createForOfIteratorHelper(i.dependencies);try{for(a.s();!(r=a.n()).done;){var o=r.value;h.add(o)}}catch(t){a.e(t)}finally{a.f()}})).catch((function(r){(0,o.warn)('Type3 font resource "'.concat(t,'" is not available.'));var a=new A.OperatorList;g[t]=a.getIR()}))}))};for(y.s();!(l=y.n()).done;)b()}catch(t){y.e(t)}finally{y.f()}this.type3Loaded=d.then((function(){u.charProcOperatorList=g}));return this.type3Loaded}}]);return TranslatedFont}(),M=function(){function StateManager(t){_classCallCheck(this,StateManager);this.state=t;this.stateStack=[]}_createClass(StateManager,[{key:"save",value:function save(){var t=this.state;this.stateStack.push(this.state);this.state=t.clone()}},{key:"restore",value:function restore(){var t=this.stateStack.pop();t&&(this.state=t)}},{key:"transform",value:function transform(t){this.state.ctm=o.Util.transform(this.state.ctm,t)}}]);return StateManager}(),L=function(){function TextState(){_classCallCheck(this,TextState);this.ctm=new Float32Array(o.IDENTITY_MATRIX);this.fontName=null;this.fontSize=0;this.font=null;this.fontMatrix=o.FONT_IDENTITY_MATRIX;this.textMatrix=o.IDENTITY_MATRIX.slice();this.textLineMatrix=o.IDENTITY_MATRIX.slice();this.charSpacing=0;this.wordSpacing=0;this.leading=0;this.textHScale=1;this.textRise=0}_createClass(TextState,[{key:"setTextMatrix",value:function setTextMatrix(t,r,a,i,o,c){var l=this.textMatrix;l[0]=t;l[1]=r;l[2]=a;l[3]=i;l[4]=o;l[5]=c}},{key:"setTextLineMatrix",value:function setTextLineMatrix(t,r,a,i,o,c){var l=this.textLineMatrix;l[0]=t;l[1]=r;l[2]=a;l[3]=i;l[4]=o;l[5]=c}},{key:"translateTextMatrix",value:function translateTextMatrix(t,r){var a=this.textMatrix;a[4]=a[0]*t+a[2]*r+a[4];a[5]=a[1]*t+a[3]*r+a[5]}},{key:"translateTextLineMatrix",value:function translateTextLineMatrix(t,r){var a=this.textLineMatrix;a[4]=a[0]*t+a[2]*r+a[4];a[5]=a[1]*t+a[3]*r+a[5]}},{key:"calcTextLineMatrixAdvance",value:function calcTextLineMatrixAdvance(t,r,a,i,o,c){var l=this.font;if(!l)return null;var u=this.textLineMatrix;if(t!==u[0]||r!==u[1]||a!==u[2]||i!==u[3])return null;var h=o-u[4],d=c-u[5];if(l.vertical&&0!==h||!l.vertical&&0!==d)return null;var p,m,g=t*i-r*a;if(l.vertical){p=-d*a/g;m=d*t/g}else{p=h*i/g;m=-h*r/g}return{width:p,height:m,value:l.vertical?m:p}}},{key:"calcRenderMatrix",value:function calcRenderMatrix(t){var r=[this.fontSize*this.textHScale,0,0,this.fontSize,0,this.textRise];return o.Util.transform(t,o.Util.transform(this.textMatrix,r))}},{key:"carriageReturn",value:function carriageReturn(){this.translateTextLineMatrix(0,-this.leading);this.textMatrix=this.textLineMatrix.slice()}},{key:"clone",value:function clone(){var clone=Object.create(this);clone.textMatrix=this.textMatrix.slice();clone.textLineMatrix=this.textLineMatrix.slice();clone.fontMatrix=this.fontMatrix.slice();return clone}}]);return TextState}(),N=function(){function EvalState(){_classCallCheck(this,EvalState);this.ctm=new Float32Array(o.IDENTITY_MATRIX);this.font=null;this.textRenderingMode=o.TextRenderingMode.FILL;this.fillColorSpace=k.ColorSpace.singletons.gray;this.strokeColorSpace=k.ColorSpace.singletons.gray}_createClass(EvalState,[{key:"clone",value:function clone(){return Object.create(this)}}]);return EvalState}(),U=function(){_createClass(EvaluatorPreprocessor,null,[{key:"opMap",get:function get(){var t=(0,d.getLookupTableFactory)((function(t){t.w={id:o.OPS.setLineWidth,numArgs:1,variableArgs:!1};t.J={id:o.OPS.setLineCap,numArgs:1,variableArgs:!1};t.j={id:o.OPS.setLineJoin,numArgs:1,variableArgs:!1};t.M={id:o.OPS.setMiterLimit,numArgs:1,variableArgs:!1};t.d={id:o.OPS.setDash,numArgs:2,variableArgs:!1};t.ri={id:o.OPS.setRenderingIntent,numArgs:1,variableArgs:!1};t.i={id:o.OPS.setFlatness,numArgs:1,variableArgs:!1};t.gs={id:o.OPS.setGState,numArgs:1,variableArgs:!1};t.q={id:o.OPS.save,numArgs:0,variableArgs:!1};t.Q={id:o.OPS.restore,numArgs:0,variableArgs:!1};t.cm={id:o.OPS.transform,numArgs:6,variableArgs:!1};t.m={id:o.OPS.moveTo,numArgs:2,variableArgs:!1};t.l={id:o.OPS.lineTo,numArgs:2,variableArgs:!1};t.c={id:o.OPS.curveTo,numArgs:6,variableArgs:!1};t.v={id:o.OPS.curveTo2,numArgs:4,variableArgs:!1};t.y={id:o.OPS.curveTo3,numArgs:4,variableArgs:!1};t.h={id:o.OPS.closePath,numArgs:0,variableArgs:!1};t.re={id:o.OPS.rectangle,numArgs:4,variableArgs:!1};t.S={id:o.OPS.stroke,numArgs:0,variableArgs:!1};t.s={id:o.OPS.closeStroke,numArgs:0,variableArgs:!1};t.f={id:o.OPS.fill,numArgs:0,variableArgs:!1};t.F={id:o.OPS.fill,numArgs:0,variableArgs:!1};t["f*"]={id:o.OPS.eoFill,numArgs:0,variableArgs:!1};t.B={id:o.OPS.fillStroke,numArgs:0,variableArgs:!1};t["B*"]={id:o.OPS.eoFillStroke,numArgs:0,variableArgs:!1};t.b={id:o.OPS.closeFillStroke,numArgs:0,variableArgs:!1};t["b*"]={id:o.OPS.closeEOFillStroke,numArgs:0,variableArgs:!1};t.n={id:o.OPS.endPath,numArgs:0,variableArgs:!1};t.W={id:o.OPS.clip,numArgs:0,variableArgs:!1};t["W*"]={id:o.OPS.eoClip,numArgs:0,variableArgs:!1};t.BT={id:o.OPS.beginText,numArgs:0,variableArgs:!1};t.ET={id:o.OPS.endText,numArgs:0,variableArgs:!1};t.Tc={id:o.OPS.setCharSpacing,numArgs:1,variableArgs:!1};t.Tw={id:o.OPS.setWordSpacing,numArgs:1,variableArgs:!1};t.Tz={id:o.OPS.setHScale,numArgs:1,variableArgs:!1};t.TL={id:o.OPS.setLeading,numArgs:1,variableArgs:!1};t.Tf={id:o.OPS.setFont,numArgs:2,variableArgs:!1};t.Tr={id:o.OPS.setTextRenderingMode,numArgs:1,variableArgs:!1};t.Ts={id:o.OPS.setTextRise,numArgs:1,variableArgs:!1};t.Td={id:o.OPS.moveText,numArgs:2,variableArgs:!1};t.TD={id:o.OPS.setLeadingMoveText,numArgs:2,variableArgs:!1};t.Tm={id:o.OPS.setTextMatrix,numArgs:6,variableArgs:!1};t["T*"]={id:o.OPS.nextLine,numArgs:0,variableArgs:!1};t.Tj={id:o.OPS.showText,numArgs:1,variableArgs:!1};t.TJ={id:o.OPS.showSpacedText,numArgs:1,variableArgs:!1};t["'"]={id:o.OPS.nextLineShowText,numArgs:1,variableArgs:!1};t['"']={id:o.OPS.nextLineSetSpacingShowText,numArgs:3,variableArgs:!1};t.d0={id:o.OPS.setCharWidth,numArgs:2,variableArgs:!1};t.d1={id:o.OPS.setCharWidthAndBounds,numArgs:6,variableArgs:!1};t.CS={id:o.OPS.setStrokeColorSpace,numArgs:1,variableArgs:!1};t.cs={id:o.OPS.setFillColorSpace,numArgs:1,variableArgs:!1};t.SC={id:o.OPS.setStrokeColor,numArgs:4,variableArgs:!0};t.SCN={id:o.OPS.setStrokeColorN,numArgs:33,variableArgs:!0};t.sc={id:o.OPS.setFillColor,numArgs:4,variableArgs:!0};t.scn={id:o.OPS.setFillColorN,numArgs:33,variableArgs:!0};t.G={id:o.OPS.setStrokeGray,numArgs:1,variableArgs:!1};t.g={id:o.OPS.setFillGray,numArgs:1,variableArgs:!1};t.RG={id:o.OPS.setStrokeRGBColor,numArgs:3,variableArgs:!1};t.rg={id:o.OPS.setFillRGBColor,numArgs:3,variableArgs:!1};t.K={id:o.OPS.setStrokeCMYKColor,numArgs:4,variableArgs:!1};t.k={id:o.OPS.setFillCMYKColor,numArgs:4,variableArgs:!1};t.sh={id:o.OPS.shadingFill,numArgs:1,variableArgs:!1};t.BI={id:o.OPS.beginInlineImage,numArgs:0,variableArgs:!1};t.ID={id:o.OPS.beginImageData,numArgs:0,variableArgs:!1};t.EI={id:o.OPS.endInlineImage,numArgs:1,variableArgs:!1};t.Do={id:o.OPS.paintXObject,numArgs:1,variableArgs:!1};t.MP={id:o.OPS.markPoint,numArgs:1,variableArgs:!1};t.DP={id:o.OPS.markPointProps,numArgs:2,variableArgs:!1};t.BMC={id:o.OPS.beginMarkedContent,numArgs:1,variableArgs:!1};t.BDC={id:o.OPS.beginMarkedContentProps,numArgs:2,variableArgs:!1};t.EMC={id:o.OPS.endMarkedContent,numArgs:0,variableArgs:!1};t.BX={id:o.OPS.beginCompat,numArgs:0,variableArgs:!1};t.EX={id:o.OPS.endCompat,numArgs:0,variableArgs:!1};t.BM=null;t.BD=null;t.true=null;t.fa=null;t.fal=null;t.fals=null;t.false=null;t.nu=null;t.nul=null;t.null=null}));return(0,o.shadow)(this,"opMap",t())}},{key:"MAX_INVALID_PATH_OPS",get:function get(){return(0,o.shadow)(this,"MAX_INVALID_PATH_OPS",20)}}]);function EvaluatorPreprocessor(t,r,a){_classCallCheck(this,EvaluatorPreprocessor);this.parser=new b.Parser({lexer:new b.Lexer(t,EvaluatorPreprocessor.opMap),xref:r});this.stateManager=a;this.nonProcessedArgs=[];this._numInvalidPathOPS=0}_createClass(EvaluatorPreprocessor,[{key:"read",value:function read(t){for(var r=t.args;;){var a=this.parser.getObj();if(a instanceof l.Cmd){var i=a.cmd,c=EvaluatorPreprocessor.opMap[i];if(!c){(0,o.warn)('Unknown command "'.concat(i,'".'));continue}var u=c.id,h=c.numArgs,d=null!==r?r.length:0;if(c.variableArgs)d>h&&(0,o.info)("Command ".concat(i,": expected [0, ").concat(h,"] args, ")+"but received ".concat(d," args."));else{if(d!==h){for(var p=this.nonProcessedArgs;d>h;){p.push(r.shift());d--}for(;d<h&&0!==p.length;){null===r&&(r=[]);r.unshift(p.pop());d++}}if(d<h){var m="command ".concat(i,": expected ").concat(h," args, ")+"but received ".concat(d," args.");if(u>=o.OPS.moveTo&&u<=o.OPS.endPath&&++this._numInvalidPathOPS>EvaluatorPreprocessor.MAX_INVALID_PATH_OPS)throw new o.FormatError("Invalid ".concat(m));(0,o.warn)("Skipping ".concat(m));null!==r&&(r.length=0);continue}}this.preprocessCommand(u,r);t.fn=u;t.args=r;return!0}if(a===l.EOF)return!1;if(null!==a){null===r&&(r=[]);r.push(a);if(r.length>33)throw new o.FormatError("Too many arguments")}}}},{key:"preprocessCommand",value:function preprocessCommand(t,r){switch(0|t){case o.OPS.save:this.stateManager.save();break;case o.OPS.restore:this.stateManager.restore();break;case o.OPS.transform:this.stateManager.transform(r)}}},{key:"savedStatesDepth",get:function get(){return this.stateManager.stateStack.length}}]);return EvaluatorPreprocessor}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.CMapFactory=r.IdentityCMap=r.CMap=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(202),l=a(208),u=a(205),h=a(209);function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var d=["Adobe-GB1-UCS2","Adobe-CNS1-UCS2","Adobe-Japan1-UCS2","Adobe-Korea1-UCS2","78-EUC-H","78-EUC-V","78-H","78-RKSJ-H","78-RKSJ-V","78-V","78ms-RKSJ-H","78ms-RKSJ-V","83pv-RKSJ-H","90ms-RKSJ-H","90ms-RKSJ-V","90msp-RKSJ-H","90msp-RKSJ-V","90pv-RKSJ-H","90pv-RKSJ-V","Add-H","Add-RKSJ-H","Add-RKSJ-V","Add-V","Adobe-CNS1-0","Adobe-CNS1-1","Adobe-CNS1-2","Adobe-CNS1-3","Adobe-CNS1-4","Adobe-CNS1-5","Adobe-CNS1-6","Adobe-GB1-0","Adobe-GB1-1","Adobe-GB1-2","Adobe-GB1-3","Adobe-GB1-4","Adobe-GB1-5","Adobe-Japan1-0","Adobe-Japan1-1","Adobe-Japan1-2","Adobe-Japan1-3","Adobe-Japan1-4","Adobe-Japan1-5","Adobe-Japan1-6","Adobe-Korea1-0","Adobe-Korea1-1","Adobe-Korea1-2","B5-H","B5-V","B5pc-H","B5pc-V","CNS-EUC-H","CNS-EUC-V","CNS1-H","CNS1-V","CNS2-H","CNS2-V","ETHK-B5-H","ETHK-B5-V","ETen-B5-H","ETen-B5-V","ETenms-B5-H","ETenms-B5-V","EUC-H","EUC-V","Ext-H","Ext-RKSJ-H","Ext-RKSJ-V","Ext-V","GB-EUC-H","GB-EUC-V","GB-H","GB-V","GBK-EUC-H","GBK-EUC-V","GBK2K-H","GBK2K-V","GBKp-EUC-H","GBKp-EUC-V","GBT-EUC-H","GBT-EUC-V","GBT-H","GBT-V","GBTpc-EUC-H","GBTpc-EUC-V","GBpc-EUC-H","GBpc-EUC-V","H","HKdla-B5-H","HKdla-B5-V","HKdlb-B5-H","HKdlb-B5-V","HKgccs-B5-H","HKgccs-B5-V","HKm314-B5-H","HKm314-B5-V","HKm471-B5-H","HKm471-B5-V","HKscs-B5-H","HKscs-B5-V","Hankaku","Hiragana","KSC-EUC-H","KSC-EUC-V","KSC-H","KSC-Johab-H","KSC-Johab-V","KSC-V","KSCms-UHC-H","KSCms-UHC-HW-H","KSCms-UHC-HW-V","KSCms-UHC-V","KSCpc-EUC-H","KSCpc-EUC-V","Katakana","NWP-H","NWP-V","RKSJ-H","RKSJ-V","Roman","UniCNS-UCS2-H","UniCNS-UCS2-V","UniCNS-UTF16-H","UniCNS-UTF16-V","UniCNS-UTF32-H","UniCNS-UTF32-V","UniCNS-UTF8-H","UniCNS-UTF8-V","UniGB-UCS2-H","UniGB-UCS2-V","UniGB-UTF16-H","UniGB-UTF16-V","UniGB-UTF32-H","UniGB-UTF32-V","UniGB-UTF8-H","UniGB-UTF8-V","UniJIS-UCS2-H","UniJIS-UCS2-HW-H","UniJIS-UCS2-HW-V","UniJIS-UCS2-V","UniJIS-UTF16-H","UniJIS-UTF16-V","UniJIS-UTF32-H","UniJIS-UTF32-V","UniJIS-UTF8-H","UniJIS-UTF8-V","UniJIS2004-UTF16-H","UniJIS2004-UTF16-V","UniJIS2004-UTF32-H","UniJIS2004-UTF32-V","UniJIS2004-UTF8-H","UniJIS2004-UTF8-V","UniJISPro-UCS2-HW-V","UniJISPro-UCS2-V","UniJISPro-UTF8-V","UniJISX0213-UTF32-H","UniJISX0213-UTF32-V","UniJISX02132004-UTF32-H","UniJISX02132004-UTF32-V","UniKS-UCS2-H","UniKS-UCS2-V","UniKS-UTF16-H","UniKS-UTF16-V","UniKS-UTF32-H","UniKS-UTF32-V","UniKS-UTF8-H","UniKS-UTF8-V","V","WP-Symbol"],p=Math.pow(2,24)-1,m=function(){function CMap(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];_classCallCheck(this,CMap);this.codespaceRanges=[[],[],[],[]];this.numCodespaceRanges=0;this._map=[];this.name="";this.vertical=!1;this.useCMap=null;this.builtInCMap=t}_createClass(CMap,[{key:"addCodespaceRange",value:function addCodespaceRange(t,r,a){this.codespaceRanges[t-1].push(r,a);this.numCodespaceRanges++}},{key:"mapCidRange",value:function mapCidRange(t,r,a){if(r-t>p)throw new Error("mapCidRange - ignoring data above MAX_MAP_RANGE.");for(;t<=r;)this._map[t++]=a++}},{key:"mapBfRange",value:function mapBfRange(t,r,a){if(r-t>p)throw new Error("mapBfRange - ignoring data above MAX_MAP_RANGE.");for(var i=a.length-1;t<=r;){this._map[t++]=a;a=a.substring(0,i)+String.fromCharCode(a.charCodeAt(i)+1)}}},{key:"mapBfRangeToArray",value:function mapBfRangeToArray(t,r,a){if(r-t>p)throw new Error("mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.");for(var i=a.length,o=0;t<=r&&o<i;){this._map[t]=a[o++];++t}}},{key:"mapOne",value:function mapOne(t,r){this._map[t]=r}},{key:"lookup",value:function lookup(t){return this._map[t]}},{key:"contains",value:function contains(t){return void 0!==this._map[t]}},{key:"forEach",value:function forEach(t){var r=this._map,a=r.length;if(a<=65536)for(var i=0;i<a;i++)void 0!==r[i]&&t(i,r[i]);else for(var o in r)t(o,r[o])}},{key:"charCodeOf",value:function charCodeOf(t){var r=this._map;if(r.length<=65536)return r.indexOf(t);for(var a in r)if(r[a]===t)return 0|a;return-1}},{key:"getMap",value:function getMap(){return this._map}},{key:"readCharCode",value:function readCharCode(t,r,a){for(var i=0,o=this.codespaceRanges,c=0,l=o.length;c<l;c++){i=(i<<8|t.charCodeAt(r+c))>>>0;for(var u=o[c],h=0,d=u.length;h<d;){var p=u[h++],m=u[h++];if(i>=p&&i<=m){a.charcode=i;a.length=c+1;return}}}a.charcode=0;a.length=1}},{key:"length",get:function get(){return this._map.length}},{key:"isIdentityCMap",get:function get(){if("Identity-H"!==this.name&&"Identity-V"!==this.name)return!1;if(65536!==this._map.length)return!1;for(var t=0;t<65536;t++)if(this._map[t]!==t)return!1;return!0}}]);return CMap}();r.CMap=m;var g=function(t){!function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}(IdentityCMap,t);var r=_createSuper(IdentityCMap);function IdentityCMap(t,a){var i;_classCallCheck(this,IdentityCMap);(i=r.call(this)).vertical=t;i.addCodespaceRange(a,0,65535);return i}_createClass(IdentityCMap,[{key:"mapCidRange",value:function mapCidRange(t,r,a){(0,o.unreachable)("should not call mapCidRange")}},{key:"mapBfRange",value:function mapBfRange(t,r,a){(0,o.unreachable)("should not call mapBfRange")}},{key:"mapBfRangeToArray",value:function mapBfRangeToArray(t,r,a){(0,o.unreachable)("should not call mapBfRangeToArray")}},{key:"mapOne",value:function mapOne(t,r){(0,o.unreachable)("should not call mapCidOne")}},{key:"lookup",value:function lookup(t){return Number.isInteger(t)&&t<=65535?t:void 0}},{key:"contains",value:function contains(t){return Number.isInteger(t)&&t<=65535}},{key:"forEach",value:function forEach(t){for(var r=0;r<=65535;r++)t(r,r)}},{key:"charCodeOf",value:function charCodeOf(t){return Number.isInteger(t)&&t<=65535?t:-1}},{key:"getMap",value:function getMap(){for(var t=new Array(65536),r=0;r<=65535;r++)t[r]=r;return t}},{key:"length",get:function get(){return 65536}},{key:"isIdentityCMap",get:function get(){(0,o.unreachable)("should not access .isIdentityCMap")}}]);return IdentityCMap}(m);r.IdentityCMap=g;var y=function BinaryCMapReaderClosure(){function hexToInt(t,r){for(var a=0,i=0;i<=r;i++)a=a<<8|t[i];return a>>>0}function hexToStr(t,r){return 1===r?String.fromCharCode(t[0],t[1]):3===r?String.fromCharCode(t[0],t[1],t[2],t[3]):String.fromCharCode.apply(null,t.subarray(0,r+1))}function addHex(t,r,a){for(var i=0,o=a;o>=0;o--){i+=t[o]+r[o];t[o]=255&i;i>>=8}}function incHex(t,r){for(var a=1,i=r;i>=0&&a>0;i--){a+=t[i];t[i]=255&a;a>>=8}}function BinaryCMapStream(t){this.buffer=t;this.pos=0;this.end=t.length;this.tmpBuf=new Uint8Array(19)}BinaryCMapStream.prototype={readByte:function readByte(){return this.pos>=this.end?-1:this.buffer[this.pos++]},readNumber:function readNumber(){var t,r=0;do{var a=this.readByte();if(a<0)throw new o.FormatError("unexpected EOF in bcmap");t=!(128&a);r=r<<7|127&a}while(!t);return r},readSigned:function readSigned(){var t=this.readNumber();return 1&t?~(t>>>1):t>>>1},readHex:function readHex(t,r){t.set(this.buffer.subarray(this.pos,this.pos+r+1));this.pos+=r+1},readHexNumber:function readHexNumber(t,r){var a,i=this.tmpBuf,c=0;do{var l=this.readByte();if(l<0)throw new o.FormatError("unexpected EOF in bcmap");a=!(128&l);i[c++]=127&l}while(!a);for(var u=r,h=0,d=0;u>=0;){for(;d<8&&i.length>0;){h=i[--c]<<d|h;d+=7}t[u]=255&h;u--;h>>=8;d-=8}},readHexSigned:function readHexSigned(t,r){this.readHexNumber(t,r);for(var a=1&t[r]?255:0,i=0,o=0;o<=r;o++){i=(1&i)<<8|t[o];t[o]=i>>1^a}},readString:function readString(){for(var t=this.readNumber(),r="",a=0;a<t;a++)r+=String.fromCharCode(this.readNumber());return r}};function BinaryCMapReader(){}BinaryCMapReader.prototype={process:function processBinaryCMap(t,r,a){return new Promise((function(i,o){var c=new BinaryCMapStream(t),l=c.readByte();r.vertical=!!(1&l);for(var u,h,d=null,p=new Uint8Array(16),m=new Uint8Array(16),g=new Uint8Array(16),y=new Uint8Array(16),b=new Uint8Array(16);(h=c.readByte())>=0;){var v=h>>5;if(7!==v){var S=!!(16&h),k=15&h;if(k+1>16)throw new Error("processBinaryCMap: Invalid dataSize.");var w,C=c.readNumber();switch(v){case 0:c.readHex(p,k);c.readHexNumber(m,k);addHex(m,p,k);r.addCodespaceRange(k+1,hexToInt(p,k),hexToInt(m,k));for(w=1;w<C;w++){incHex(m,k);c.readHexNumber(p,k);addHex(p,m,k);c.readHexNumber(m,k);addHex(m,p,k);r.addCodespaceRange(k+1,hexToInt(p,k),hexToInt(m,k))}break;case 1:c.readHex(p,k);c.readHexNumber(m,k);addHex(m,p,k);c.readNumber();for(w=1;w<C;w++){incHex(m,k);c.readHexNumber(p,k);addHex(p,m,k);c.readHexNumber(m,k);addHex(m,p,k);c.readNumber()}break;case 2:c.readHex(g,k);u=c.readNumber();r.mapOne(hexToInt(g,k),u);for(w=1;w<C;w++){incHex(g,k);if(!S){c.readHexNumber(b,k);addHex(g,b,k)}u=c.readSigned()+(u+1);r.mapOne(hexToInt(g,k),u)}break;case 3:c.readHex(p,k);c.readHexNumber(m,k);addHex(m,p,k);u=c.readNumber();r.mapCidRange(hexToInt(p,k),hexToInt(m,k),u);for(w=1;w<C;w++){incHex(m,k);if(S)p.set(m);else{c.readHexNumber(p,k);addHex(p,m,k)}c.readHexNumber(m,k);addHex(m,p,k);u=c.readNumber();r.mapCidRange(hexToInt(p,k),hexToInt(m,k),u)}break;case 4:c.readHex(g,1);c.readHex(y,k);r.mapOne(hexToInt(g,1),hexToStr(y,k));for(w=1;w<C;w++){incHex(g,1);if(!S){c.readHexNumber(b,1);addHex(g,b,1)}incHex(y,k);c.readHexSigned(b,k);addHex(y,b,k);r.mapOne(hexToInt(g,1),hexToStr(y,k))}break;case 5:c.readHex(p,1);c.readHexNumber(m,1);addHex(m,p,1);c.readHex(y,k);r.mapBfRange(hexToInt(p,1),hexToInt(m,1),hexToStr(y,k));for(w=1;w<C;w++){incHex(m,1);if(S)p.set(m);else{c.readHexNumber(p,1);addHex(p,m,1)}c.readHexNumber(m,1);addHex(m,p,1);c.readHex(y,k);r.mapBfRange(hexToInt(p,1),hexToInt(m,1),hexToStr(y,k))}break;default:o(new Error("processBinaryCMap: Unknown type: "+v));return}}else switch(31&h){case 0:c.readString();break;case 1:d=c.readString()}}i(d?a(d):r)}))}};return BinaryCMapReader}(),b=function CMapFactoryClosure(){function strToInt(t){for(var r=0,a=0;a<t.length;a++)r=r<<8|t.charCodeAt(a);return r>>>0}function expectString(t){if(!(0,o.isString)(t))throw new o.FormatError("Malformed CMap: expected string.")}function expectInt(t){if(!Number.isInteger(t))throw new o.FormatError("Malformed CMap: expected int.")}function parseBfChar(t,r){for(;;){var a=r.getObj();if((0,c.isEOF)(a))break;if((0,c.isCmd)(a,"endbfchar"))return;expectString(a);var i=strToInt(a);expectString(a=r.getObj());var o=a;t.mapOne(i,o)}}function parseBfRange(t,r){for(;;){var a=r.getObj();if((0,c.isEOF)(a))break;if((0,c.isCmd)(a,"endbfrange"))return;expectString(a);var i=strToInt(a);expectString(a=r.getObj());var l=strToInt(a);a=r.getObj();if(Number.isInteger(a)||(0,o.isString)(a)){var u=Number.isInteger(a)?String.fromCharCode(a):a;t.mapBfRange(i,l,u)}else{if(!(0,c.isCmd)(a,"["))break;a=r.getObj();for(var h=[];!(0,c.isCmd)(a,"]")&&!(0,c.isEOF)(a);){h.push(a);a=r.getObj()}t.mapBfRangeToArray(i,l,h)}}throw new o.FormatError("Invalid bf range.")}function parseCidChar(t,r){for(;;){var a=r.getObj();if((0,c.isEOF)(a))break;if((0,c.isCmd)(a,"endcidchar"))return;expectString(a);var i=strToInt(a);expectInt(a=r.getObj());var o=a;t.mapOne(i,o)}}function parseCidRange(t,r){for(;;){var a=r.getObj();if((0,c.isEOF)(a))break;if((0,c.isCmd)(a,"endcidrange"))return;expectString(a);var i=strToInt(a);expectString(a=r.getObj());var o=strToInt(a);expectInt(a=r.getObj());var l=a;t.mapCidRange(i,o,l)}}function parseCodespaceRange(t,r){for(;;){var a=r.getObj();if((0,c.isEOF)(a))break;if((0,c.isCmd)(a,"endcodespacerange"))return;if(!(0,o.isString)(a))break;var i=strToInt(a);a=r.getObj();if(!(0,o.isString)(a))break;var l=strToInt(a);t.addCodespaceRange(a.length,i,l)}throw new o.FormatError("Invalid codespace range.")}function parseWMode(t,r){var a=r.getObj();Number.isInteger(a)&&(t.vertical=!!a)}function parseCMapName(t,r){var a=r.getObj();(0,c.isName)(a)&&(0,o.isString)(a.name)&&(t.name=a.name)}function parseCMap(t,r,a,i){var l,h;e:for(;;)try{var d=r.getObj();if((0,c.isEOF)(d))break;if((0,c.isName)(d)){"WMode"===d.name?parseWMode(t,r):"CMapName"===d.name&&parseCMapName(t,r);l=d}else if((0,c.isCmd)(d))switch(d.cmd){case"endcmap":break e;case"usecmap":(0,c.isName)(l)&&(h=l.name);break;case"begincodespacerange":parseCodespaceRange(t,r);break;case"beginbfchar":parseBfChar(t,r);break;case"begincidchar":parseCidChar(t,r);break;case"beginbfrange":parseBfRange(t,r);break;case"begincidrange":parseCidRange(t,r)}}catch(t){if(t instanceof u.MissingDataException)throw t;(0,o.warn)("Invalid cMap data: "+t);continue}!i&&h&&(i=h);return i?extendCMap(t,a,i):Promise.resolve(t)}function extendCMap(t,r,a){return createBuiltInCMap(a,r).then((function(r){t.useCMap=r;if(0===t.numCodespaceRanges){for(var a=t.useCMap.codespaceRanges,i=0;i<a.length;i++)t.codespaceRanges[i]=a[i].slice();t.numCodespaceRanges=t.useCMap.numCodespaceRanges}t.useCMap.forEach((function(r,a){t.contains(r)||t.mapOne(r,t.useCMap.lookup(r))}));return t}))}function createBuiltInCMap(t,r){return"Identity-H"===t?Promise.resolve(new g(!1,2)):"Identity-V"===t?Promise.resolve(new g(!0,2)):d.includes(t)?r?r(t).then((function(t){var a=t.cMapData,i=t.compressionType,c=new m(!0);if(i===o.CMapCompressionType.BINARY)return(new y).process(a,c,(function(t){return extendCMap(c,r,t)}));if(i===o.CMapCompressionType.NONE){var u=new l.Lexer(new h.Stream(a));return parseCMap(c,u,r,null)}return Promise.reject(new Error("TODO: Only BINARY/NONE CMap compression is currently supported."))})):Promise.reject(new Error("Built-in CMap parameters are not provided.")):Promise.reject(new Error("Unknown CMap name: "+t))}return{create:function create(t){return function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}(i.default.mark((function _callee(){var r,a,o,u,h;return i.default.wrap((function _callee$(i){for(;;)switch(i.prev=i.next){case 0:r=t.encoding;a=t.fetchBuiltInCMap;o=t.useCMap;if(!(0,c.isName)(r)){i.next=7;break}return i.abrupt("return",createBuiltInCMap(r.name,a));case 7:if(!(0,c.isStream)(r)){i.next=11;break}u=new m;h=new l.Lexer(r);return i.abrupt("return",parseCMap(u,h,a,o).then((function(t){return t.isIdentityCMap?createBuiltInCMap(t.name,a):t})));case 11:throw new Error("Encoding required.");case 12:case"end":return i.stop()}}),_callee)})))()}}}();r.CMapFactory=b},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.getFontType=getFontType;r.IdentityToUnicodeMap=r.ToUnicodeMap=r.FontFlags=r.Font=r.ErrorFont=r.SEAC_ANALYSIS_ENABLED=void 0;var i=a(5),o=a(228),c=a(231),l=a(230),u=a(232),h=a(233),d=a(205),p=a(234),m=a(226),g=a(209),y=a(235);function _createForOfIteratorHelper(t,r){var a;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(a=_unsupportedIterableToArray(t))||r&&t&&"number"==typeof t.length){a&&(t=a);var i=0,o=function F(){};return{s:o,n:function n(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}},e:function e(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var c,l=!0,u=!1;return{s:function s(){a=t[Symbol.iterator]()},n:function n(){var t=a.next();l=t.done;return t},e:function e(t){u=!0;c=t},f:function f(){try{l||null==a.return||a.return()}finally{if(u)throw c}}}}function _slicedToArray(t,r){return function _arrayWithHoles(t){if(Array.isArray(t))return t}(t)||function _iterableToArrayLimit(t,r){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(t)))return;var a=[],i=!0,o=!1,c=void 0;try{for(var l,u=t[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){a.push(l.value);if(r&&a.length===r)break}}catch(t){o=!0;c=t}finally{try{i||null==u.return||u.return()}finally{if(o)throw c}}return a}(t,r)||_unsupportedIterableToArray(t,r)||function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _unsupportedIterableToArray(t,r){if(t){if("string"==typeof t)return _arrayLikeToArray(t,r);var a=Object.prototype.toString.call(t).slice(8,-1);"Object"===a&&t.constructor&&(a=t.constructor.name);return"Map"===a||"Set"===a?Array.from(t):"Arguments"===a||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(a)?_arrayLikeToArray(t,r):void 0}}function _arrayLikeToArray(t,r){(null==r||r>t.length)&&(r=t.length);for(var a=0,i=new Array(r);a<r;a++)i[a]=t[a];return i}var b=[[57344,63743],[1048576,1114109]];r.SEAC_ANALYSIS_ENABLED=!0;var v=["ascent","bbox","black","bold","charProcOperatorList","composite","data","defaultVMetrics","defaultWidth","descent","fallbackName","fontMatrix","fontType","isMonospace","isSerifFont","isType3Font","italic","loadedName","mimetype","missingFile","name","remeasure","subtype","type","vertical"],S=["cMap","defaultEncoding","differences","isSymbolicFont","seacMap","toFontChar","toUnicode","vmetrics","widths"],k={FixedPitch:1,Serif:2,Symbolic:4,Script:8,Nonsymbolic:32,Italic:64,AllCap:65536,SmallCap:131072,ForceBold:262144};r.FontFlags=k;var w=[".notdef",".null","nonmarkingreturn","space","exclam","quotedbl","numbersign","dollar","percent","ampersand","quotesingle","parenleft","parenright","asterisk","plus","comma","hyphen","period","slash","zero","one","two","three","four","five","six","seven","eight","nine","colon","semicolon","less","equal","greater","question","at","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft","backslash","bracketright","asciicircum","underscore","grave","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","braceleft","bar","braceright","asciitilde","Adieresis","Aring","Ccedilla","Eacute","Ntilde","Odieresis","Udieresis","aacute","agrave","acircumflex","adieresis","atilde","aring","ccedilla","eacute","egrave","ecircumflex","edieresis","iacute","igrave","icircumflex","idieresis","ntilde","oacute","ograve","ocircumflex","odieresis","otilde","uacute","ugrave","ucircumflex","udieresis","dagger","degree","cent","sterling","section","bullet","paragraph","germandbls","registered","copyright","trademark","acute","dieresis","notequal","AE","Oslash","infinity","plusminus","lessequal","greaterequal","yen","mu","partialdiff","summation","product","pi","integral","ordfeminine","ordmasculine","Omega","ae","oslash","questiondown","exclamdown","logicalnot","radical","florin","approxequal","Delta","guillemotleft","guillemotright","ellipsis","nonbreakingspace","Agrave","Atilde","Otilde","OE","oe","endash","emdash","quotedblleft","quotedblright","quoteleft","quoteright","divide","lozenge","ydieresis","Ydieresis","fraction","currency","guilsinglleft","guilsinglright","fi","fl","daggerdbl","periodcentered","quotesinglbase","quotedblbase","perthousand","Acircumflex","Ecircumflex","Aacute","Edieresis","Egrave","Iacute","Icircumflex","Idieresis","Igrave","Oacute","Ocircumflex","apple","Ograve","Uacute","Ucircumflex","Ugrave","dotlessi","circumflex","tilde","macron","breve","dotaccent","ring","cedilla","hungarumlaut","ogonek","caron","Lslash","lslash","Scaron","scaron","Zcaron","zcaron","brokenbar","Eth","eth","Yacute","yacute","Thorn","thorn","minus","multiply","onesuperior","twosuperior","threesuperior","onehalf","onequarter","threequarters","franc","Gbreve","gbreve","Idotaccent","Scedilla","scedilla","Cacute","cacute","Ccaron","ccaron","dcroat"];function adjustWidths(t){if(t.fontMatrix&&t.fontMatrix[0]!==i.FONT_IDENTITY_MATRIX[0]){var r=.001/t.fontMatrix[0],a=t.widths;for(var o in a)a[o]*=r;t.defaultWidth*=r}}function getFontType(t,r){switch(t){case"Type1":return"Type1C"===r?i.FontType.TYPE1C:i.FontType.TYPE1;case"CIDFontType0":return"CIDFontType0C"===r?i.FontType.CIDFONTTYPE0C:i.FontType.CIDFONTTYPE0;case"OpenType":return i.FontType.OPENTYPE;case"TrueType":return i.FontType.TRUETYPE;case"CIDFontType2":return i.FontType.CIDFONTTYPE2;case"MMType1":return i.FontType.MMTYPE1;case"Type0":return i.FontType.TYPE0;default:return i.FontType.UNKNOWN}}function recoverGlyphName(t,r){if(void 0!==r[t])return t;var a=(0,h.getUnicodeForGlyph)(t,r);if(-1!==a)for(var o in r)if(r[o]===a)return o;(0,i.info)("Unable to recover a standard glyph name for: "+t);return t}var C=function GlyphClosure(){function Glyph(t,r,a,i,o,c,l,u){this.fontChar=t;this.unicode=r;this.accent=a;this.width=i;this.vmetric=o;this.operatorListId=c;this.isSpace=l;this.isInFont=u}Glyph.prototype.matchesForCache=function(t,r,a,i,o,c,l,u){return this.fontChar===t&&this.unicode===r&&this.accent===a&&this.width===i&&this.vmetric===o&&this.operatorListId===c&&this.isSpace===l&&this.isInFont===u};return Glyph}(),_=function ToUnicodeMapClosure(){function ToUnicodeMap(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];this._map=t}ToUnicodeMap.prototype={get length(){return this._map.length},forEach:function forEach(t){for(var r in this._map)t(r,this._map[r].charCodeAt(0))},has:function has(t){return void 0!==this._map[t]},get:function get(t){return this._map[t]},charCodeOf:function charCodeOf(t){var r=this._map;if(r.length<=65536)return r.indexOf(t);for(var a in r)if(r[a]===t)return 0|a;return-1},amend:function amend(t){for(var r in t)this._map[r]=t[r]}};return ToUnicodeMap}();r.ToUnicodeMap=_;var x=function IdentityToUnicodeMapClosure(){function IdentityToUnicodeMap(t,r){this.firstChar=t;this.lastChar=r}IdentityToUnicodeMap.prototype={get length(){return this.lastChar+1-this.firstChar},forEach:function forEach(t){for(var r=this.firstChar,a=this.lastChar;r<=a;r++)t(r,r)},has:function has(t){return this.firstChar<=t&&t<=this.lastChar},get:function get(t){if(this.firstChar<=t&&t<=this.lastChar)return String.fromCharCode(t)},charCodeOf:function charCodeOf(t){return Number.isInteger(t)&&t>=this.firstChar&&t<=this.lastChar?t:-1},amend:function amend(t){(0,i.unreachable)("Should not call amend()")}};return IdentityToUnicodeMap}();r.IdentityToUnicodeMap=x;var A=function OpenTypeFileBuilderClosure(){function writeInt16(t,r,a){t[r]=a>>8&255;t[r+1]=255&a}function writeInt32(t,r,a){t[r]=a>>24&255;t[r+1]=a>>16&255;t[r+2]=a>>8&255;t[r+3]=255&a}function writeData(t,r,a){var i,o;if(a instanceof Uint8Array)t.set(a,r);else if("string"==typeof a)for(i=0,o=a.length;i<o;i++)t[r++]=255&a.charCodeAt(i);else for(i=0,o=a.length;i<o;i++)t[r++]=255&a[i]}function OpenTypeFileBuilder(t){this.sfnt=t;this.tables=Object.create(null)}OpenTypeFileBuilder.getSearchParams=function OpenTypeFileBuilder_getSearchParams(t,r){for(var a=1,i=0;(a^t)>a;){a<<=1;i++}var o=a*r;return{range:o,entry:i,rangeShift:r*t-o}};OpenTypeFileBuilder.prototype={toArray:function OpenTypeFileBuilder_toArray(){var t=this.sfnt,r=this.tables,a=Object.keys(r);a.sort();var o,c,l,u,h,p=a.length,m=12+16*p,g=[m];for(o=0;o<p;o++){m+=((u=r[a[o]]).length+3&-4)>>>0;g.push(m)}var y=new Uint8Array(m);for(o=0;o<p;o++){u=r[a[o]];writeData(y,g[o],u)}"true"===t&&(t=(0,i.string32)(65536));y[0]=255&t.charCodeAt(0);y[1]=255&t.charCodeAt(1);y[2]=255&t.charCodeAt(2);y[3]=255&t.charCodeAt(3);writeInt16(y,4,p);var b=OpenTypeFileBuilder.getSearchParams(p,16);writeInt16(y,6,b.range);writeInt16(y,8,b.entry);writeInt16(y,10,b.rangeShift);m=12;for(o=0;o<p;o++){h=a[o];y[m]=255&h.charCodeAt(0);y[m+1]=255&h.charCodeAt(1);y[m+2]=255&h.charCodeAt(2);y[m+3]=255&h.charCodeAt(3);var v=0;for(c=g[o],l=g[o+1];c<l;c+=4){v=v+(0,d.readUint32)(y,c)>>>0}writeInt32(y,m+4,v);writeInt32(y,m+8,g[o]);writeInt32(y,m+12,r[h].length);m+=16}return y},addTable:function OpenTypeFileBuilder_addTable(t,r){if(t in this.tables)throw new Error("Table "+t+" already exists");this.tables[t]=r}};return OpenTypeFileBuilder}(),T=function FontClosure(){function Font(t,r,a){var o;this.name=t;this.loadedName=a.loadedName;this.isType3Font=a.isType3Font;this.missingFile=!1;this.glyphCache=Object.create(null);this.isSerifFont=!!(a.flags&k.Serif);this.isSymbolicFont=!!(a.flags&k.Symbolic);this.isMonospace=!!(a.flags&k.FixedPitch);var c=a.type,l=a.subtype;this.type=c;this.subtype=l;var u="sans-serif";this.isMonospace?u="monospace":this.isSerifFont&&(u="serif");this.fallbackName=u;this.differences=a.differences;this.widths=a.widths;this.defaultWidth=a.defaultWidth;this.composite=a.composite;this.cMap=a.cMap;this.ascent=a.ascent/1e3;this.descent=a.descent/1e3;this.fontMatrix=a.fontMatrix;this.bbox=a.bbox;this.defaultEncoding=a.defaultEncoding;this.toUnicode=a.toUnicode;this.fallbackToUnicode=a.fallbackToUnicode||new _;this.toFontChar=[];if("Type3"!==a.type){this.cidEncoding=a.cidEncoding;this.vertical=!!a.vertical;if(this.vertical){this.vmetrics=a.vmetrics;this.defaultVMetrics=a.defaultVMetrics}if(r&&!r.isEmpty){var h=_slicedToArray(function getFontFileType(t,r){var a,o,c=r.type,l=r.subtype,u=r.composite;if(function isTrueTypeFile(t){var r=t.peekBytes(4);return 65536===(0,d.readUint32)(r,0)||"true"===(0,i.bytesToString)(r)}(t)||isTrueTypeCollectionFile(t))a=u?"CIDFontType2":"TrueType";else if(function isOpenTypeFile(t){var r=t.peekBytes(4);return"OTTO"===(0,i.bytesToString)(r)}(t))a=u?"CIDFontType2":"OpenType";else if(function isType1File(t){var r=t.peekBytes(2);if(37===r[0]&&33===r[1])return!0;if(128===r[0]&&1===r[1])return!0;return!1}(t))a=u?"CIDFontType0":"MMType1"===c?"MMType1":"Type1";else if(function isCFFFile(t){var r=t.peekBytes(4);if(r[0]>=1&&r[3]>=1&&r[3]<=4)return!0;return!1}(t))if(u){a="CIDFontType0";o="CIDFontType0C"}else{a="MMType1"===c?"MMType1":"Type1";o="Type1C"}else{(0,i.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");a=c;o=l}return[a,o]}(r,a),2);c=h[0];l=h[1];c===this.type&&l===this.subtype||(0,i.info)("Inconsistent font file Type/SubType, expected: "+"".concat(this.type,"/").concat(this.subtype," but found: ").concat(c,"/").concat(l,"."));try{var p;switch(c){case"MMType1":(0,i.info)("MMType1 font ("+t+"), falling back to Type1.");case"Type1":case"CIDFontType0":this.mimetype="font/opentype";var m="Type1C"===l||"CIDFontType0C"===l?new P(r,a):new I(t,r,a);adjustWidths(a);p=this.convert(t,m,a);break;case"OpenType":case"TrueType":case"CIDFontType2":this.mimetype="font/opentype";p=this.checkAndRepair(t,r,a);if(this.isOpenType){adjustWidths(a);c="OpenType"}break;default:throw new i.FormatError("Font ".concat(c," is not supported"))}}catch(t){(0,i.warn)(t);this.fallbackToSystemFont();return}this.data=p;this.fontType=getFontType(c,l);this.fontMatrix=a.fontMatrix;this.widths=a.widths;this.defaultWidth=a.defaultWidth;this.toUnicode=a.toUnicode;this.seacMap=a.seacMap}else{r&&(0,i.warn)('Font file is empty in "'+t+'" ('+this.loadedName+")");this.fallbackToSystemFont()}}else{for(o=0;o<256;o++)this.toFontChar[o]=this.differences[o]||a.defaultEncoding[o];this.fontType=i.FontType.TYPE3}}function int16(t,r){return(t<<8)+r}function signedInt16(t,r){var a=(t<<8)+r;return 32768&a?a-65536:a}function string16(t){return String.fromCharCode(t>>8&255,255&t)}function safeString16(t){t>32767?t=32767:t<-32768&&(t=-32768);return String.fromCharCode(t>>8&255,255&t)}function isTrueTypeCollectionFile(t){var r=t.peekBytes(4);return"ttcf"===(0,i.bytesToString)(r)}function buildToFontChar(t,r,a){for(var i,o=[],c=0,l=t.length;c<l;c++)-1!==(i=(0,h.getUnicodeForGlyph)(t[c],r))&&(o[c]=i);for(var u in a)-1!==(i=(0,h.getUnicodeForGlyph)(a[u],r))&&(o[+u]=i);return o}function adjustMapping(t,r,a){var o=Object.create(null),c=[],l=0,u=b[l][0],h=b[l][1];for(var d in t){var p=t[d|=0];if(r(p)){if(u>h){if(++l>=b.length){(0,i.warn)("Ran out of space in font private use area.");break}u=b[l][0];h=b[l][1]}var m=u++;0===p&&(p=a);o[m]=p;c[d]=m}}return{toFontChar:c,charCodeToGlyphId:o,nextAvailableFontCharCode:u}}function createCmapTable(t,r){var a,o,c,l,u=function getRanges(t,r){var a=[];for(var i in t)t[i]>=r||a.push({fontCharCode:0|i,glyphId:t[i]});0===a.length&&a.push({fontCharCode:0,glyphId:0});a.sort((function fontGetRangesSort(t,r){return t.fontCharCode-r.fontCharCode}));for(var o=[],c=a.length,l=0;l<c;){var u=a[l].fontCharCode,h=[a[l].glyphId];++l;for(var d=u;l<c&&d+1===a[l].fontCharCode;){h.push(a[l].glyphId);++l;if(65535===++d)break}o.push([u,d,h])}return o}(t,r),h=u[u.length-1][1]>65535?2:1,d="\0\0"+string16(h)+"\0\0
"+(0,i.string32)(4+8*h);for(a=u.length-1;a>=0&&!(u[a][0]<=65535);--a);var p=a+1;u[a][0]<65535&&65535===u[a][1]&&(u[a][1]=65534);var m,g,y,b,v=u[a][1]<65535?1:0,S=p+v,k=A.getSearchParams(S,2),w="",C="",_="",x="",T="",R=0;for(a=0,o=p;a<o;a++){g=(m=u[a])[0];y=m[1];w+=string16(g);C+=string16(y);var I=!0;for(c=1,l=(b=m[2]).length;c<l;++c)if(b[c]!==b[c-1]+1){I=!1;break}if(I){_+=string16(b[0]-g&65535);x+=string16(0)}else{var P=2*(S-a)+2*R;R+=y-g+1;_+=string16(0);x+=string16(P);for(c=0,l=b.length;c<l;++c)T+=string16(b[c])}}if(v>0){C+="ÿÿ";w+="ÿÿ";_+="\0
";x+="\0\0"}var O="\0\0"+string16(2*S)+string16(k.range)+string16(k.entry)+string16(k.rangeShift)+C+"\0\0"+w+_+x+T,E="",B="";if(h>1){d+="\0\0\n"+(0,i.string32)(4+8*h+4+O.length);E="";for(a=0,o=u.length;a<o;a++){g=(m=u[a])[0];var D=(b=m[2])[0];for(c=1,l=b.length;c<l;++c)if(b[c]!==b[c-1]+1){y=m[0]+c-1;E+=(0,i.string32)(g)+(0,i.string32)(y)+(0,i.string32)(D);g=y+1;D=b[c]}E+=(0,i.string32)(g)+(0,i.string32)(m[1])+(0,i.string32)(D)}B="\0\f\0\0"+(0,i.string32)(E.length+16)+"\0\0\0\0"+(0,i.string32)(E.length/12)}return d+"\0"+string16(O.length+4)+O+B+E}function createOS2Table(t,r,a){a=a||{unitsPerEm:0,yMax:0,yMin:0,ascent:0,descent:0};var o=0,c=0,l=0,u=0,d=null,p=0;if(r){for(var m in r){(d>(m|=0)||!d)&&(d=m);p<m&&(p=m);var g=(0,h.getUnicodeRangeFor)(m);if(g<32)o|=1<<g;else if(g<64)c|=1<<g-32;else if(g<96)l|=1<<g-64;else{if(!(g<123))throw new i.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");u|=1<<g-96}}p>65535&&(p=65535)}else{d=0;p=255}var y=t.bbox||[0,0,0,0],b=a.unitsPerEm||1/(t.fontMatrix||i.FONT_IDENTITY_MATRIX)[0],v=t.ascentScaled?1:b/1e3,S=a.ascent||Math.round(v*(t.ascent||y[3])),k=a.descent||Math.round(v*(t.descent||y[1]));k>0&&t.descent>0&&y[1]<0&&(k=-k);var w=a.yMax||S,C=-a.yMin||-k;return"\0$
ô\0\0\0Š»\0\0\0ŒŠ»\0\0
ß\x001
\0\0\0\0"+String.fromCharCode(t.fixedPitch?9:0)+"\0\0\0\0\0\0"+(0,i.string32)(o)+(0,i.string32)(c)+(0,i.string32)(l)+(0,i.string32)(u)+"*21*"+string16(t.italicAngle?1:0)+string16(d||t.firstChar)+string16(p||t.lastChar)+string16(S)+string16(k)+"\0d"+string16(w)+string16(C)+"\0\0\0\0\0\0\0\0"+string16(t.xHeight)+string16(t.capHeight)+string16(0)+string16(d||t.firstChar)+"\0"}function createPostTable(t){var r=Math.floor(t.italicAngle*Math.pow(2,16));return"\0\0\0"+(0,i.string32)(r)+"\0\0\0\0"+(0,i.string32)(t.fixedPitch)+"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}function createNameTable(t,r){r||(r=[[],[]]);var a,i,o,c,l,u=[r[0][0]||"Original licence",r[0][1]||t,r[0][2]||"Unknown",r[0][3]||"uniqueID",r[0][4]||t,r[0][5]||"Version 0.11",r[0][6]||"",r[0][7]||"Unknown",r[0][8]||"Unknown",r[0][9]||"Unknown"],h=[];for(a=0,i=u.length;a<i;a++){var d=[];for(o=0,c=(l=r[1][a]||u[a]).length;o<c;o++)d.push(string16(l.charCodeAt(o)));h.push(d.join(""))}var p=[u,h],m=["\0
","\0"],g=["\0\0","\0
"],y=["\0\0","\t"],b=u.length*m.length,v="\0\0"+string16(b)+string16(12*b+6),S=0;for(a=0,i=m.length;a<i;a++){var k=p[a];for(o=0,c=k.length;o<c;o++){l=k[o];v+=m[a]+g[a]+y[a]+string16(o)+string16(l.length)+string16(S);S+=l.length}}return v+=u.join("")+h.join("")}Font.prototype={name:null,font:null,mimetype:null,disableFontFace:!1,get renderer(){var t=p.FontRendererFactory.create(this,!0);return(0,i.shadow)(this,"renderer",t)},exportData:function exportData(){var t,r,a,i=arguments.length>0&&void 0!==arguments[0]&&arguments[0],o=i?[].concat(v,S):v,c=Object.create(null),l=_createForOfIteratorHelper(o);try{for(l.s();!(a=l.n()).done;)void 0!==(r=this[t=a.value])&&(c[t]=r)}catch(t){l.e(t)}finally{l.f()}return c},fallbackToSystemFont:function Font_fallbackToSystemFont(){var t=this;this.missingFile=!0;var r=this.name,a=this.type,o=this.subtype,d=r.replace(/[,_]/g,"-").replace(/\s/g,""),p=(0,u.getStdFontMap)(),m=(0,u.getNonStdFontMap)(),g=!!p[d]||!(!m[d]||!p[m[d]]);d=p[d]||m[d]||d;this.bold=-1!==d.search(/bold/gi);this.italic=-1!==d.search(/oblique/gi)||-1!==d.search(/italic/gi);this.black=-1!==r.search(/Black/g);this.remeasure=Object.keys(this.widths).length>0;if(g&&"CIDFontType2"===a&&this.cidEncoding.startsWith("Identity-")){var y=(0,u.getGlyphMapForStandardFonts)(),b=[];for(var v in y)b[+v]=y[v];if(/Arial-?Black/i.test(r)){var S=(0,u.getSupplementalGlyphMapForArialBlack)();for(var k in S)b[+k]=S[k]}else if(/Calibri/i.test(r)){var w=(0,u.getSupplementalGlyphMapForCalibri)();for(var C in w)b[+C]=w[C]}this.toUnicode instanceof x||this.toUnicode.forEach((function(t,r){b[+t]=r}));this.toFontChar=b;this.toUnicode=new _(b)}else if(/Symbol/i.test(d))this.toFontChar=buildToFontChar(l.SymbolSetEncoding,(0,c.getGlyphsUnicode)(),this.differences);else if(/Dingbats/i.test(d)){/Wingdings/i.test(r)&&(0,i.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");this.toFontChar=buildToFontChar(l.ZapfDingbatsEncoding,(0,c.getDingbatsGlyphsUnicode)(),this.differences)}else if(g)this.toFontChar=buildToFontChar(this.defaultEncoding,(0,c.getGlyphsUnicode)(),this.differences);else{var A=(0,c.getGlyphsUnicode)(),T=[];this.toUnicode.forEach((function(r,a){if(!t.composite){var i=t.differences[r]||t.defaultEncoding[r],o=(0,h.getUnicodeForGlyph)(i,A);-1!==o&&(a=o)}T[+r]=a}));if(this.composite&&this.toUnicode instanceof x&&/Verdana/i.test(r)){var R=(0,u.getGlyphMapForStandardFonts)();for(var I in R)T[+I]=R[I]}this.toFontChar=T}this.loadedName=d.split("-")[0];this.fontType=getFontType(a,o)},checkAndRepair:function Font_checkAndRepair(t,r,a){var u=["OS/2","cmap","head","hhea","hmtx","maxp","name","post","loca","glyf","fpgm","prep","cvt ","CFF "];function readTables(t,r){var a=Object.create(null);a["OS/2"]=null;a.cmap=null;a.head=null;a.hhea=null;a.hmtx=null;a.maxp=null;a.name=null;a.post=null;for(var i=0;i<r;i++){var o=readTableEntry(t);u.includes(o.tag)&&(0!==o.length&&(a[o.tag]=o))}return a}function readTableEntry(t){var r=(0,i.bytesToString)(t.getBytes(4)),a=t.getInt32()>>>0,o=t.getInt32()>>>0,c=t.getInt32()>>>0,l=t.pos;t.pos=t.start?t.start:0;t.skip(o);var u=t.getBytes(c);t.pos=l;if("head"===r){u[8]=u[9]=u[10]=u[11]=0;u[17]|=32}return{tag:r,checksum:a,length:c,offset:o,data:u}}function readOpenTypeHeader(t){return{version:(0,i.bytesToString)(t.getBytes(4)),numTables:t.getUint16(),searchRange:t.getUint16(),entrySelector:t.getUint16(),rangeShift:t.getUint16()}}function sanitizeGlyph(t,r,a,i,o,c){var l={length:0,sizeOfInstructions:0};if(a-r<=12)return l;var u=t.subarray(r,a),h=signedInt16(u[0],u[1]);if(h<0){!function writeSignedInt16(t,r,a){t[r+1]=a;t[r]=a>>>8}(u,0,h=-1);i.set(u,o);l.length=u.length;return l}var d,p=10,m=0;for(d=0;d<h;d++){m=(u[p]<<8|u[p+1])+1;p+=2}var g=p,y=u[p]<<8|u[p+1];l.sizeOfInstructions=y;var b=p+=2+y,v=0;for(d=0;d<m;d++){var S=u[p++];192&S&&(u[p-1]=63&S);var k=2;2&S?k=1:16&S&&(k=0);var w=2;4&S?w=1:32&S&&(w=0);var C=k+w;v+=C;if(8&S){var _=u[p++];d+=_;v+=_*C}}if(0===v)return l;var x=p+v;if(x>u.length)return l;if(!c&&y>0){i.set(u.subarray(0,g),o);i.set([0,0],o+g);i.set(u.subarray(b,x),o+g+2);x-=y;u.length-x>3&&(x=x+3&-4);l.length=x;return l}if(u.length-x>3){x=x+3&-4;i.set(u.subarray(0,x),o);l.length=x;return l}i.set(u,o);l.length=u.length;return l}function readNameTable(t){var a=(r.start?r.start:0)+t.offset;r.pos=a;var o=[[],[]],c=t.length,l=a+c;if(0!==r.getUint16()||c<6)return o;var u,h,d=r.getUint16(),p=r.getUint16(),m=[];for(u=0;u<d&&r.pos+12<=l;u++){var g={platform:r.getUint16(),encoding:r.getUint16(),language:r.getUint16(),name:r.getUint16(),length:r.getUint16(),offset:r.getUint16()};(1===g.platform&&0===g.encoding&&0===g.language||3===g.platform&&1===g.encoding&&1033===g.language)&&m.push(g)}for(u=0,h=m.length;u<h;u++){var y=m[u];if(!(y.length<=0)){var b=a+p+y.offset;if(!(b+y.length>l)){r.pos=b;var v=y.name;if(y.encoding){for(var S="",k=0,w=y.length;k<w;k+=2)S+=String.fromCharCode(r.getUint16());o[1][v]=S}else o[0][v]=(0,i.bytesToString)(r.getBytes(y.length))}}}return o}var h,d,p,y,b=[0,0,0,0,0,0,0,0,-2,-2,-2,-2,0,0,-2,-5,-1,-1,-1,-1,-1,-1,-1,-1,0,0,-1,0,-1,-1,-1,-1,1,-1,-999,0,1,0,-1,-2,0,-1,-2,-1,-1,0,-1,-1,0,0,-999,-999,-1,-1,-1,-1,-2,-999,-2,-2,-999,0,-2,-2,0,0,-2,0,-2,0,0,0,-2,-1,-1,1,1,0,0,-1,-1,-1,-1,-1,-1,-1,0,0,-1,0,-1,-1,0,-999,-1,-1,-1,-1,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,-2,-999,-999,-999,-999,-999,-1,-1,-2,-2,0,0,0,0,-1,-1,-999,-2,-2,0,0,-1,-2,-2,0,0,0,-1,-1,-1,-2];function sanitizeTTProgram(t,r){for(var a,o,c,l,u,h=t.data,d=0,p=0,m=0,g=[],y=[],v=[],S=r.tooComplexToFollowFunctions,k=!1,w=0,C=0,_=h.length;d<_;){var x=h[d++];if(64===x){o=h[d++];if(k||C)d+=o;else for(a=0;a<o;a++)g.push(h[d++])}else if(65===x){o=h[d++];if(k||C)d+=2*o;else for(a=0;a<o;a++){c=h[d++];g.push(c<<8|h[d++])}}else if(176==(248&x)){o=x-176+1;if(k||C)d+=o;else for(a=0;a<o;a++)g.push(h[d++])}else if(184==(248&x)){o=x-184+1;if(k||C)d+=2*o;else for(a=0;a<o;a++){c=h[d++];g.push(c<<8|h[d++])}}else if(43!==x||S)if(44!==x||S){if(45===x)if(k){k=!1;p=d}else{if(!(u=y.pop())){(0,i.warn)("TT: ENDF bad stack");r.hintsValid=!1;return}l=v.pop();h=u.data;d=u.i;r.functionsStackDeltas[l]=g.length-u.stackTop}else if(137===x){if(k||C){(0,i.warn)("TT: nested IDEFs not allowed");S=!0}k=!0;m=d}else if(88===x)++w;else if(27===x)C=w;else if(89===x){C===w&&(C=0);--w}else if(28===x&&!k&&!C){var A=g[g.length-1];A>0&&(d+=A-1)}}else{if(k||C){(0,i.warn)("TT: nested FDEFs not allowed");S=!0}k=!0;m=d;l=g.pop();r.functionsDefined[l]={data:h,i:d}}else if(!k&&!C){l=g[g.length-1];if(isNaN(l))(0,i.info)("TT: CALL empty stack (or invalid entry).");else{r.functionsUsed[l]=!0;if(l in r.functionsStackDeltas){var T=g.length+r.functionsStackDeltas[l];if(T<0){(0,i.warn)("TT: CALL invalid functions stack delta.");r.hintsValid=!1;return}g.length=T}else if(l in r.functionsDefined&&!v.includes(l)){y.push({data:h,i:d,stackTop:g.length-1});v.push(l);if(!(u=r.functionsDefined[l])){(0,i.warn)("TT: CALL non-existent function");r.hintsValid=!1;return}h=u.data;d=u.i}}}if(!k&&!C){var R=0;x<=142?R=b[x]:x>=192&&x<=223?R=-1:x>=224&&(R=-2);if(x>=113&&x<=117){o=g.pop();isNaN(o)||(R=2*-o)}for(;R<0&&g.length>0;){g.pop();R++}for(;R>0;){g.push(NaN);R--}}}r.tooComplexToFollowFunctions=S;var I=[h];d>h.length&&I.push(new Uint8Array(d-h.length));if(m>p){(0,i.warn)("TT: complementing a missing function tail");I.push(new Uint8Array([34,45]))}!function foldTTTable(t,r){if(r.length>1){var a,i,o=0;for(a=0,i=r.length;a<i;a++)o+=r[a].length;o=o+3&-4;var c=new Uint8Array(o),l=0;for(a=0,i=r.length;a<i;a++){c.set(r[a],l);l+=r[a].length}t.data=c;t.length=o}}(t,I)}if(isTrueTypeCollectionFile(r=new g.Stream(new Uint8Array(r.getBytes())))){var v=function readTrueTypeCollectionData(t,r){for(var a=function readTrueTypeCollectionHeader(t){var r=(0,i.bytesToString)(t.getBytes(4));(0,i.assert)("ttcf"===r,"Must be a TrueType Collection font.");for(var a=t.getUint16(),o=t.getUint16(),c=t.getInt32()>>>0,l=[],u=0;u<c;u++)l.push(t.getInt32()>>>0);var h={ttcTag:r,majorVersion:a,minorVersion:o,numFonts:c,offsetTable:l};switch(a){case 1:return h;case 2:h.dsigTag=t.getInt32()>>>0;h.dsigLength=t.getInt32()>>>0;h.dsigOffset=t.getInt32()>>>0;return h}throw new i.FormatError("Invalid TrueType Collection majorVersion: ".concat(a,"."))}(t),o=a.numFonts,c=a.offsetTable,l=0;l<o;l++){t.pos=(t.start||0)+c[l];var u=readOpenTypeHeader(t),h=readTables(t,u.numTables);if(!h.name)throw new i.FormatError('TrueType Collection font must contain a "name" table.');for(var d=readNameTable(h.name),p=0,m=d.length;p<m;p++)for(var g=0,y=d[p].length;g<y;g++){var b=d[p][g];if(b&&b.replace(/\s/g,"")===r)return{header:u,tables:h}}}throw new i.FormatError('TrueType Collection does not contain "'.concat(r,'" font.'))}(r,this.name);h=v.header;d=v.tables}else{h=readOpenTypeHeader(r);d=readTables(r,h.numTables)}var S=!d["CFF "];if(S){if(!d.loca)throw new i.FormatError('Required "loca" table is not found');if(!d.glyf){(0,i.warn)('Required "glyf" table is not found -- trying to recover.');d.glyf={tag:"glyf",data:new Uint8Array(0)}}this.isOpenType=!1}else{var k=a.composite&&((a.cidToGidMap||[]).length>0||!(a.cMap instanceof m.IdentityCMap));if("OTTO"===h.version&&!k||!d.head||!d.hhea||!d.maxp||!d.post){y=new g.Stream(d["CFF "].data);p=new P(y,a);adjustWidths(a);return this.convert(t,p,a)}delete d.glyf;delete d.loca;delete d.fpgm;delete d.prep;delete d["cvt "];this.isOpenType=!0}if(!d.maxp)throw new i.FormatError('Required "maxp" table is not found');r.pos=(r.start||0)+d.maxp.offset;var C=r.getInt32(),_=r.getUint16(),x=_+1,T=!0;if(x>65535){T=!1;x=_;(0,i.warn)("Not enough space in glyfs to duplicate first glyph.")}var R=0,I=0;if(C>=65536&&d.maxp.length>=22){r.pos+=8;if(r.getUint16()>2){d.maxp.data[14]=0;d.maxp.data[15]=2}r.pos+=4;R=r.getUint16();r.pos+=4;I=r.getUint16()}d.maxp.data[4]=x>>8;d.maxp.data[5]=255&x;var O=function sanitizeTTPrograms(t,r,a,o){var c={functionsDefined:[],functionsUsed:[],functionsStackDeltas:[],tooComplexToFollowFunctions:!1,hintsValid:!0};t&&sanitizeTTProgram(t,c);r&&sanitizeTTProgram(r,c);t&&function checkInvalidFunctions(t,r){if(!t.tooComplexToFollowFunctions)if(t.functionsDefined.length>r){(0,i.warn)("TT: more functions defined than expected");t.hintsValid=!1}else for(var a=0,o=t.functionsUsed.length;a<o;a++){if(a>r){(0,i.warn)("TT: invalid function id: "+a);t.hintsValid=!1;return}if(t.functionsUsed[a]&&!t.functionsDefined[a]){(0,i.warn)("TT: undefined function: "+a);t.hintsValid=!1;return}}}(c,o);if(a&&1&a.length){var l=new Uint8Array(a.length+1);l.set(a.data);a.data=l}return c.hintsValid}(d.fpgm,d.prep,d["cvt "],R);if(!O){delete d.fpgm;delete d.prep;delete d["cvt "]}!function sanitizeMetrics(t,r,a,o,c){if(r){t.pos=(t.start?t.start:0)+r.offset;t.pos+=4;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=2;t.pos+=8;t.pos+=2;var l=t.getUint16();if(l>o){(0,i.info)("The numOfMetrics ("+l+") should not be greater than the numGlyphs ("+o+")");l=o;r.data[34]=(65280&l)>>8;r.data[35]=255&l}var u=o-l-(a.length-4*l>>1);if(u>0){var h=new Uint8Array(a.length+2*u);h.set(a.data);if(c){h[a.length]=a.data[2];h[a.length+1]=a.data[3]}a.data=h}}else a&&(a.data=null)}(r,d.hhea,d.hmtx,x,T);if(!d.head)throw new i.FormatError('Required "head" table is not found');!function sanitizeHead(t,r,a){var o=t.data,c=function int32(t,r,a,i){return(t<<24)+(r<<16)+(a<<8)+i}(o[0],o[1],o[2],o[3]);if(c>>16!=1){(0,i.info)("Attempting to fix invalid version in head table: "+c);o[0]=0;o[1]=1;o[2]=0;o[3]=0}var l=int16(o[50],o[51]);if(l<0||l>1){(0,i.info)("Attempting to fix invalid indexToLocFormat in head table: "+l);var u=r+1;if(a===u<<1){o[50]=0;o[51]=0}else{if(a!==u<<2)throw new i.FormatError("Could not fix indexToLocFormat: "+l);o[50]=0;o[51]=1}}}(d.head,_,S?d.loca.length:0);var E=Object.create(null);if(S){var B=int16(d.head.data[50],d.head.data[51]),D=function sanitizeGlyphLocations(t,r,a,i,o,c,l){var u,h,d;if(i){u=4;h=function fontItemDecodeLong(t,r){return t[r]<<24|t[r+1]<<16|t[r+2]<<8|t[r+3]};d=function fontItemEncodeLong(t,r,a){t[r]=a>>>24&255;t[r+1]=a>>16&255;t[r+2]=a>>8&255;t[r+3]=255&a}}else{u=2;h=function fontItemDecode(t,r){return t[r]<<9|t[r+1]<<1};d=function fontItemEncode(t,r,a){t[r]=a>>9&255;t[r+1]=a>>1&255}}var p=c?a+1:a,m=u*(1+p),g=new Uint8Array(m);g.set(t.data.subarray(0,m));t.data=g;var y,b,v=r.data,S=v.length,k=new Uint8Array(S),w=[];for(y=0,b=0;y<a+1;y++,b+=u){var C=h(g,b);C>S&&(C=S);w.push({index:y,offset:C,endOffset:0})}w.sort((function(t,r){return t.offset-r.offset}));for(y=0;y<a;y++)w[y].endOffset=w[y+1].offset;w.sort((function(t,r){return t.index-r.index}));var _=Object.create(null),x=0;d(g,0,x);for(y=0,b=u;y<a;y++,b+=u){var A=sanitizeGlyph(v,w[y].offset,w[y].endOffset,k,x,o),T=A.length;0===T&&(_[y]=!0);A.sizeOfInstructions>l&&(l=A.sizeOfInstructions);d(g,b,x+=T)}if(0===x){var R=new Uint8Array([0,1,0,0,0,0,0,0,0,0,0,0,0,0,49,0]);for(y=0,b=u;y<p;y++,b+=u)d(g,b,R.length);r.data=R}else if(c){var I=h(g,u);if(k.length>I+x)r.data=k.subarray(0,I+x);else{r.data=new Uint8Array(I+x);r.data.set(k.subarray(0,x))}r.data.set(k.subarray(0,I),x);d(t.data,g.length-u,x+I)}else r.data=k.subarray(0,x);return{missingGlyphs:_,maxSizeOfInstructions:l}}(d.loca,d.glyf,_,B,O,T,I);E=D.missingGlyphs;if(C>=65536&&d.maxp.length>=22){d.maxp.data[26]=D.maxSizeOfInstructions>>8;d.maxp.data[27]=255&D.maxSizeOfInstructions}}if(!d.hhea)throw new i.FormatError('Required "hhea" table is not found');if(0===d.hhea.data[10]&&0===d.hhea.data[11]){d.hhea.data[10]=255;d.hhea.data[11]=255}var M={unitsPerEm:int16(d.head.data[18],d.head.data[19]),yMax:int16(d.head.data[42],d.head.data[43]),yMin:signedInt16(d.head.data[38],d.head.data[39]),ascent:int16(d.hhea.data[4],d.hhea.data[5]),descent:signedInt16(d.hhea.data[6],d.hhea.data[7])};this.ascent=M.ascent/M.unitsPerEm;this.descent=M.descent/M.unitsPerEm;d.post&&function readPostScriptTable(t,a,o){var c=(r.start?r.start:0)+t.offset;r.pos=c;var l,u=c+t.length,h=r.getInt32();r.skip(28);var d,p=!0;switch(h){case 65536:l=w;break;case 131072:var m=r.getUint16();if(m!==o){p=!1;break}var g=[];for(d=0;d<m;++d){var y=r.getUint16();if(y>=32768){p=!1;break}g.push(y)}if(!p)break;for(var b=[],v=[];r.pos<u;){var S=r.getByte();v.length=S;for(d=0;d<S;++d)v[d]=String.fromCharCode(r.getByte());b.push(v.join(""))}l=[];for(d=0;d<m;++d){var k=g[d];k<258?l.push(w[k]):l.push(b[k-258])}break;case 196608:break;default:(0,i.warn)("Unknown/unsupported post table version "+h);p=!1;a.defaultEncoding&&(l=a.defaultEncoding)}a.glyphNames=l;return p}(d.post,a,_);d.post={tag:"post",data:createPostTable(a)};var L=[];function hasGlyph(t){return!E[t]}if(a.composite){var N=a.cidToGidMap||[],U=0===N.length;a.cMap.forEach((function(t,r){if(r>65535)throw new i.FormatError("Max size of CID is 65,535");var a=-1;U?a=r:void 0!==N[r]&&(a=N[r]);a>=0&&a<_&&hasGlyph(a)&&(L[t]=a)}))}else{var j=function readCmapTable(t,r,a,o){if(!t){(0,i.warn)("No cmap table available.");return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var c,l=(r.start?r.start:0)+t.offset;r.pos=l;r.skip(2);for(var u,h=r.getUint16(),d=!1,p=0;p<h;p++){var m=r.getUint16(),g=r.getUint16(),y=r.getInt32()>>>0,b=!1;if(!u||u.platformId!==m||u.encodingId!==g){if(0!==m||0!==g&&1!==g&&3!==g)if(1===m&&0===g)b=!0;else if(3!==m||1!==g||!o&&u){if(a&&3===m&&0===g){b=!0;d=!0}}else{b=!0;a||(d=!0)}else b=!0;b&&(u={platformId:m,encodingId:g,offset:y});if(d)break}}u&&(r.pos=l+u.offset);if(!u||-1===r.peekByte()){(0,i.warn)("Could not find a preferred cmap table.");return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var v=r.getUint16();r.skip(4);var S,k,w=!1,C=[];if(0===v){for(S=0;S<256;S++){var _=r.getByte();_&&C.push({charCode:S,glyphId:_})}w=!0}else if(4===v){var x=r.getUint16()>>1;r.skip(6);var A,T=[];for(A=0;A<x;A++)T.push({end:r.getUint16()});r.skip(2);for(A=0;A<x;A++)T[A].start=r.getUint16();for(A=0;A<x;A++)T[A].delta=r.getUint16();var R=0;for(A=0;A<x;A++){c=T[A];var I=r.getUint16();if(I){var P=(I>>1)-(x-A);c.offsetIndex=P;R=Math.max(R,P+c.end-c.start+1)}else c.offsetIndex=-1}var O=[];for(S=0;S<R;S++)O.push(r.getUint16());for(A=0;A<x;A++){l=(c=T[A]).start;var E=c.end,B=c.delta;P=c.offsetIndex;for(S=l;S<=E;S++)if(65535!==S){k=(k=P<0?S:O[P+S-l])+B&65535;C.push({charCode:S,glyphId:k})}}}else{if(6!==v){(0,i.warn)("cmap table has unsupported format: "+v);return{platformId:-1,encodingId:-1,mappings:[],hasShortCmap:!1}}var D=r.getUint16(),M=r.getUint16();for(S=0;S<M;S++){k=r.getUint16();var L=D+S;C.push({charCode:L,glyphId:k})}}C.sort((function(t,r){return t.charCode-r.charCode}));for(p=1;p<C.length;p++)if(C[p-1].charCode===C[p].charCode){C.splice(p,1);p--}return{platformId:u.platformId,encodingId:u.encodingId,mappings:C,hasShortCmap:w}}(d.cmap,r,this.isSymbolicFont,a.hasEncoding),q=j.platformId,W=j.encodingId,z=j.mappings,G=z.length,H=[];!a.hasEncoding||"MacRomanEncoding"!==a.baseEncodingName&&"WinAnsiEncoding"!==a.baseEncodingName||(H=(0,l.getEncoding)(a.baseEncodingName));if(a.hasEncoding&&!this.isSymbolicFont&&(3===q&&1===W||1===q&&0===W))for(var V=(0,c.getGlyphsUnicode)(),X=0;X<256;X++){var Y,K;if(Y=this.differences&&X in this.differences?this.differences[X]:X in H&&""!==H[X]?H[X]:l.StandardEncoding[X]){K=recoverGlyphName(Y,V);var J;3===q&&1===W?J=V[K]:1===q&&0===W&&(J=l.MacRomanEncoding.indexOf(K));for(var Z=0;Z<G;++Z)if(z[Z].charCode===J){L[X]=z[Z].glyphId;break}}}else if(0===q)for(var Q=0;Q<G;++Q)L[z[Q].charCode]=z[Q].glyphId;else for(var $=0;$<G;++$){var ee=z[$].charCode;3===q&&ee>=61440&&ee<=61695&&(ee&=255);L[ee]=z[$].glyphId}if(a.glyphNames&&H.length)for(var te=0;te<256;++te)if(void 0===L[te]&&H[te]){Y=H[te];var re=a.glyphNames.indexOf(Y);re>0&&hasGlyph(re)&&(L[te]=re)}}0===L.length&&(L[0]=0);var ae=x-1;T||(ae=0);var ne=adjustMapping(L,hasGlyph,ae);this.toFontChar=ne.toFontChar;d.cmap={tag:"cmap",data:createCmapTable(ne.charCodeToGlyphId,x)};d["OS/2"]&&function validateOS2Table(t,r){r.pos=(r.start||0)+t.offset;var a=r.getUint16();r.skip(60);var i=r.getUint16();if(a<4&&768&i)return!1;if(r.getUint16()>r.getUint16())return!1;r.skip(6);if(0===r.getUint16())return!1;t.data[8]=t.data[9]=0;return!0}(d["OS/2"],r)||(d["OS/2"]={tag:"OS/2",data:createOS2Table(a,ne.charCodeToGlyphId,M)});if(!S)try{y=new g.Stream(d["CFF "].data);(p=new o.CFFParser(y,a,!0).parse()).duplicateFirstGlyph();var ie=new o.CFFCompiler(p);d["CFF "].data=ie.compile()}catch(t){(0,i.warn)("Failed to compile font "+a.loadedName)}if(d.name){var oe=readNameTable(d.name);d.name.data=createNameTable(t,oe)}else d.name={tag:"name",data:createNameTable(this.name)};var se=new A(h.version);for(var ce in d)se.addTable(ce,d[ce].data);return se.toArray()},convert:function Font_convert(t,r,a){a.fixedPitch=!1;a.builtInEncoding&&function adjustToUnicode(t,r){if(!t.hasIncludedToUnicodeMap&&!(t.hasEncoding||r===t.defaultEncoding||t.toUnicode instanceof x)){var a=[],i=(0,c.getGlyphsUnicode)();for(var o in r){var l=r[o],u=(0,h.getUnicodeForGlyph)(l,i);-1!==u&&(a[o]=String.fromCharCode(u))}t.toUnicode.amend(a)}}(a,a.builtInEncoding);var o=1;r instanceof P&&(o=r.numGlyphs-1);var u=r.getGlyphMapping(a),d=adjustMapping(u,r.hasGlyphId.bind(r),o);this.toFontChar=d.toFontChar;var p=r.numGlyphs;function getCharCodes(t,r){var a=null;for(var i in t)if(r===t[i]){a||(a=[]);a.push(0|i)}return a}function createCharCode(t,r){for(var a in t)if(r===t[a])return 0|a;d.charCodeToGlyphId[d.nextAvailableFontCharCode]=r;return d.nextAvailableFontCharCode++}var m=r.seacs;if(m&&m.length){var g=a.fontMatrix||i.FONT_IDENTITY_MATRIX,y=r.getCharset(),b=Object.create(null);for(var v in m){var S=m[v|=0],k=l.StandardEncoding[S[2]],w=l.StandardEncoding[S[3]],C=y.indexOf(k),_=y.indexOf(w);if(!(C<0||_<0)){var T={x:S[0]*g[0]+S[1]*g[2]+g[4],y:S[0]*g[1]+S[1]*g[3]+g[5]},R=getCharCodes(u,v);if(R)for(var I=0,O=R.length;I<O;I++){var E=R[I],B=d.charCodeToGlyphId,D=createCharCode(B,C),M=createCharCode(B,_);b[E]={baseFontCharCode:D,accentFontCharCode:M,accentOffset:T}}}}a.seacMap=b}var L=1/(a.fontMatrix||i.FONT_IDENTITY_MATRIX)[0],N=new A("OTTO");N.addTable("CFF ",r.data);N.addTable("OS/2",createOS2Table(a,d.charCodeToGlyphId));N.addTable("cmap",createCmapTable(d.charCodeToGlyphId,p));N.addTable("head","\0
\0\0\0\0\0\0\0\0\0_<õ\0\0"+safeString16(L)+"\0\0\0\0ž\v~'\0\0\0\0ž\v~'\0\0"+safeString16(a.descent)+"ÿ"+safeString16(a.ascent)+string16(a.italicAngle?2:0)+"\0\0\0\0\0\0\0");N.addTable("hhea","\0
\0\0"+safeString16(a.ascent)+safeString16(a.descent)+"\0\0ÿÿ\0\0\0\0\0\0"+safeString16(a.capHeight)+safeString16(Math.tan(a.italicAngle)*a.xHeight)+"\0\0\0\0\0\0\0\0\0\0\0\0"+string16(p));N.addTable("hmtx",function fontFieldsHmtx(){for(var t=r.charstrings,a=r.cff?r.cff.widths:null,i="\0\0\0\0",o=1,c=p;o<c;o++){var l=0;if(t){var u=t[o-1];l="width"in u?u.width:0}else a&&(l=Math.ceil(a[o]||0));i+=string16(l)+string16(0)}return i}());N.addTable("maxp","\0\0P\0"+string16(p));N.addTable("name",createNameTable(t));N.addTable("post",createPostTable(a));return N.toArray()},get spaceWidth(){for(var t,r=["space","minus","one","i","I"],a=0,o=r.length;a<o;a++){var l=r[a];if(l in this.widths){t=this.widths[l];break}var u=(0,c.getGlyphsUnicode)()[l],h=0;this.composite&&this.cMap.contains(u)&&(h=this.cMap.lookup(u));!h&&this.toUnicode&&(h=this.toUnicode.charCodeOf(u));h<=0&&(h=u);if(t=this.widths[h])break}t=t||this.defaultWidth;return(0,i.shadow)(this,"spaceWidth",t)},charToGlyph:function Font_charToGlyph(t,r){var a,o,c,l=t;this.cMap&&this.cMap.contains(t)&&(l=this.cMap.lookup(t));o=this.widths[l];o=(0,i.isNum)(o)?o:this.defaultWidth;var u=this.vmetrics&&this.vmetrics[l],d=this.toUnicode.get(t)||this.fallbackToUnicode.get(t)||t;"number"==typeof d&&(d=String.fromCharCode(d));var p=t in this.toFontChar;a=this.toFontChar[t]||t;if(this.missingFile){var m=this.differences[t]||this.defaultEncoding[t];".notdef"!==m&&""!==m||"Type1"!==this.type||(a=32);a=(0,h.mapSpecialUnicodeValues)(a)}this.isType3Font&&(c=a);var g=null;if(this.seacMap&&this.seacMap[t]){p=!0;var y=this.seacMap[t];a=y.baseFontCharCode;g={fontChar:String.fromCodePoint(y.accentFontCharCode),offset:y.accentOffset}}var b="";"number"==typeof a&&(a<=1114111?b=String.fromCodePoint(a):(0,i.warn)("charToGlyph - invalid fontCharCode: ".concat(a)));var v=this.glyphCache[t];if(!v||!v.matchesForCache(b,d,g,o,u,c,r,p)){v=new C(b,d,g,o,u,c,r,p);this.glyphCache[t]=v}return v},charsToGlyphs:function Font_charsToGlyphs(t){var r,a,i,o=this.charsCache;if(o&&(r=o[t]))return r;o||(o=this.charsCache=Object.create(null));r=[];var c,l=t,u=0;if(this.cMap)for(var h=Object.create(null);u<t.length;){this.cMap.readCharCode(t,u,h);i=h.charcode;var d=h.length;u+=d;var p=1===d&&32===t.charCodeAt(u-1);a=this.charToGlyph(i,p);r.push(a)}else for(u=0,c=t.length;u<c;++u){i=t.charCodeAt(u);a=this.charToGlyph(i,32===i);r.push(a)}return o[l]=r},get glyphCacheValues(){return Object.values(this.glyphCache)}};return Font}();r.Font=T;var R=function ErrorFontClosure(){function ErrorFont(t){this.error=t;this.loadedName="g_font_error";this.missingFile=!0}ErrorFont.prototype={charsToGlyphs:function ErrorFont_charsToGlyphs(){return[]},exportData:function exportData(){return{error:this.error}}};return ErrorFont}();r.ErrorFont=R;function type1FontGlyphMapping(t,r,a){var i,o,u,h=Object.create(null),d=!!(t.flags&k.Symbolic);if(t.baseEncodingName){u=(0,l.getEncoding)(t.baseEncodingName);for(o=0;o<u.length;o++){i=a.indexOf(u[o]);h[o]=i>=0?i:0}}else if(d)for(o in r)h[o]=r[o];else{u=l.StandardEncoding;for(o=0;o<u.length;o++){i=a.indexOf(u[o]);h[o]=i>=0?i:0}}var p,m=t.differences;if(m)for(o in m){var g=m[o];if(-1===(i=a.indexOf(g))){p||(p=(0,c.getGlyphsUnicode)());var y=recoverGlyphName(g,p);y!==g&&(i=a.indexOf(y))}h[o]=i>=0?i:0}return h}var I=function Type1FontClosure(){function findBlock(t,r,a){for(var i,o=t.length,c=r.length,l=o-c,u=a,h=!1;u<l;){i=0;for(;i<c&&t[u+i]===r[i];)i++;if(i>=c){u+=i;for(;u<o&&(0,d.isWhiteSpace)(t[u]);)u++;h=!0;break}u++}return{found:h,length:u}}function Type1Font(t,r,a){var o=a.length1,c=(a.length2,r.peekBytes(6)),l=128===c[0]&&1===c[1];if(l){r.skip(6);o=c[5]<<24|c[4]<<16|c[3]<<8|c[2]}var u=function getHeaderBlock(t,r){var a,o,c,l,u=[101,101,120,101,99],h=t.pos;try{o=(a=t.getBytes(r)).length}catch(t){if(t instanceof d.MissingDataException)throw t}if(o===r&&(c=findBlock(a,u,r-2*u.length)).found&&c.length===r)return{stream:new g.Stream(a),length:r};(0,i.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');t.pos=h;for(;;){if(0===(c=findBlock(t.peekBytes(2048),u,0)).length)break;t.pos+=c.length;if(c.found){l=t.pos-h;break}}t.pos=h;if(l)return{stream:new g.Stream(t.getBytes(l)),length:l};(0,i.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');return{stream:new g.Stream(t.getBytes(r)),length:r}}(r,o);new y.Type1Parser(u.stream,!1,!0).extractFontHeader(a);l&&(c=r.getBytes(6))[5]<<24|c[4]<<16|c[3]<<8|c[2];var h=function getEexecBlock(t,r){var a=t.getBytes();return{stream:new g.Stream(a),length:a.length}}(r),p=new y.Type1Parser(h.stream,!0,!0).extractFontProgram(a);for(var m in p.properties)a[m]=p.properties[m];var b=p.charstrings,v=this.getType2Charstrings(b),S=this.getType2Subrs(p.subrs);this.charstrings=b;this.data=this.wrap(t,v,this.charstrings,S,a);this.seacs=this.getSeacs(p.charstrings)}Type1Font.prototype={get numGlyphs(){return this.charstrings.length+1},getCharset:function Type1Font_getCharset(){for(var t=[".notdef"],r=this.charstrings,a=0;a<r.length;a++)t.push(r[a].glyphName);return t},getGlyphMapping:function Type1Font_getGlyphMapping(t){var r=this.charstrings;if(t.composite){for(var a=Object.create(null),i=0,o=r.length;i<o;i++){a[t.cMap.charCodeOf(i)]=i+1}return a}var c,l=[".notdef"];for(c=0;c<r.length;c++)l.push(r[c].glyphName);var u=t.builtInEncoding;if(u){var h=Object.create(null);for(var d in u)(c=l.indexOf(u[d]))>=0&&(h[d]=c)}return type1FontGlyphMapping(t,h,l)},hasGlyphId:function Type1Font_hasGlyphID(t){return!(t<0||t>=this.numGlyphs)&&(0===t||this.charstrings[t-1].charstring.length>0)},getSeacs:function Type1Font_getSeacs(t){var r,a,i=[];for(r=0,a=t.length;r<a;r++){var o=t[r];o.seac&&(i[r+1]=o.seac)}return i},getType2Charstrings:function Type1Font_getType2Charstrings(t){for(var r=[],a=0,i=t.length;a<i;a++)r.push(t[a].charstring);return r},getType2Subrs:function Type1Font_getType2Subrs(t){var r=0,a=t.length;r=a<1133?107:a<33769?1131:32768;var i,o=[];for(i=0;i<r;i++)o.push([11]);for(i=0;i<a;i++)o.push(t[i]);return o},wrap:function Type1Font_wrap(t,r,a,i,c){var l=new o.CFF;l.header=new o.CFFHeader(1,0,4,4);l.names=[t];var u=new o.CFFTopDict;u.setByName("version",391);u.setByName("Notice",392);u.setByName("FullName",393);u.setByName("FamilyName",394);u.setByName("Weight",395);u.setByName("Encoding",null);u.setByName("FontMatrix",c.fontMatrix);u.setByName("FontBBox",c.bbox);u.setByName("charset",null);u.setByName("CharStrings",null);u.setByName("Private",null);l.topDict=u;var h=new o.CFFStrings;h.add("Version 0.11");h.add("See original notice");h.add(t);h.add(t);h.add("Medium");l.strings=h;l.globalSubrIndex=new o.CFFIndex;var d,p,m=r.length,g=[".notdef"];for(d=0;d<m;d++){var y=a[d].glyphName;-1===o.CFFStandardStrings.indexOf(y)&&h.add(y);g.push(y)}l.charset=new o.CFFCharset(!1,0,g);var b=new o.CFFIndex;b.add([139,14]);for(d=0;d<m;d++)b.add(r[d]);l.charStrings=b;var v=new o.CFFPrivateDict;v.setByName("Subrs",null);var S=["BlueValues","OtherBlues","FamilyBlues","FamilyOtherBlues","StemSnapH","StemSnapV","BlueShift","BlueFuzz","BlueScale","LanguageGroup","ExpansionFactor","ForceBold","StdHW","StdVW"];for(d=0,p=S.length;d<p;d++){var k=S[d];if(k in c.privateData){var w=c.privateData[k];if(Array.isArray(w))for(var C=w.length-1;C>0;C--)w[C]-=w[C-1];v.setByName(k,w)}}l.topDict.privateDict=v;var _=new o.CFFIndex;for(d=0,p=i.length;d<p;d++)_.add(i[d]);v.subrsIndex=_;return new o.CFFCompiler(l).compile()}};return Type1Font}(),P=function CFFFontClosure(){function CFFFont(t,r){this.properties=r;var a=new o.CFFParser(t,r,!0);this.cff=a.parse();this.cff.duplicateFirstGlyph();var c=new o.CFFCompiler(this.cff);this.seacs=this.cff.seacs;try{this.data=c.compile()}catch(a){(0,i.warn)("Failed to compile font "+r.loadedName);this.data=t}}CFFFont.prototype={get numGlyphs(){return this.cff.charStrings.count},getCharset:function CFFFont_getCharset(){return this.cff.charset.charset},getGlyphMapping:function CFFFont_getGlyphMapping(){var t,r,a=this.cff,i=this.properties,o=a.charset.charset;if(i.composite){t=Object.create(null);if(a.isCIDFont)for(r=0;r<o.length;r++){var c=o[r];t[i.cMap.charCodeOf(c)]=r}else for(r=0;r<a.charStrings.count;r++)t[i.cMap.charCodeOf(r)]=r;return t}return t=type1FontGlyphMapping(i,a.encoding?a.encoding.encoding:null,o)},hasGlyphId:function CFFFont_hasGlyphID(t){return this.cff.hasGlyphId(t)}};return CFFFont}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.CFFFDSelect=r.CFFCompiler=r.CFFPrivateDict=r.CFFTopDict=r.CFFCharset=r.CFFIndex=r.CFFStrings=r.CFFHeader=r.CFF=r.CFFParser=r.CFFStandardStrings=void 0;var i=a(5),o=a(229),c=a(230);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var a,i=_getPrototypeOf(t);if(r){var o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var l=[".notdef","space","exclam","quotedbl","numbersign","dollar","percent","ampersand","quoteright","parenleft","parenright","asterisk","plus","comma","hyphen","period","slash","zero","one","two","three","four","five","six","seven","eight","nine","colon","semicolon","less","equal","greater","question","at","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft","backslash","bracketright","asciicircum","underscore","quoteleft","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","braceleft","bar","braceright","asciitilde","exclamdown","cent","sterling","fraction","yen","florin","section","currency","quotesingle","quotedblleft","guillemotleft","guilsinglleft","guilsinglright","fi","fl","endash","dagger","daggerdbl","periodcentered","paragraph","bullet","quotesinglbase","quotedblbase","quotedblright","guillemotright","ellipsis","perthousand","questiondown","grave","acute","circumflex","tilde","macron","breve","dotaccent","dieresis","ring","cedilla","hungarumlaut","ogonek","caron","emdash","AE","ordfeminine","Lslash","Oslash","OE","ordmasculine","ae","dotlessi","lslash","oslash","oe","germandbls","onesuperior","logicalnot","mu","trademark","Eth","onehalf","plusminus","Thorn","onequarter","divide","brokenbar","degree","thorn","threequarters","twosuperior","registered","minus","eth","multiply","threesuperior","copyright","Aacute","Acircumflex","Adieresis","Agrave","Aring","Atilde","Ccedilla","Eacute","Ecircumflex","Edieresis","Egrave","Iacute","Icircumflex","Idieresis","Igrave","Ntilde","Oacute","Ocircumflex","Odieresis","Ograve","Otilde","Scaron","Uacute","Ucircumflex","Udieresis","Ugrave","Yacute","Ydieresis","Zcaron","aacute","acircumflex","adieresis","agrave","aring","atilde","ccedilla","eacute","ecircumflex","edieresis","egrave","iacute","icircumflex","idieresis","igrave","ntilde","oacute","ocircumflex","odieresis","ograve","otilde","scaron","uacute","ucircumflex","udieresis","ugrave","yacute","ydieresis","zcaron","exclamsmall","Hungarumlautsmall","dollaroldstyle","dollarsuperior","ampersandsmall","Acutesmall","parenleftsuperior","parenrightsuperior","twodotenleader","onedotenleader","zerooldstyle","oneoldstyle","twooldstyle","threeoldstyle","fouroldstyle","fiveoldstyle","sixoldstyle","sevenoldstyle","eightoldstyle","nineoldstyle","commasuperior","threequartersemdash","periodsuperior","questionsmall","asuperior","bsuperior","centsuperior","dsuperior","esuperior","isuperior","lsuperior","msuperior","nsuperior","osuperior","rsuperior","ssuperior","tsuperior","ff","ffi","ffl","parenleftinferior","parenrightinferior","Circumflexsmall","hyphensuperior","Gravesmall","Asmall","Bsmall","Csmall","Dsmall","Esmall","Fsmall","Gsmall","Hsmall","Ismall","Jsmall","Ksmall","Lsmall","Msmall","Nsmall","Osmall","Psmall","Qsmall","Rsmall","Ssmall","Tsmall","Usmall","Vsmall","Wsmall","Xsmall","Ysmall","Zsmall","colonmonetary","onefitted","rupiah","Tildesmall","exclamdownsmall","centoldstyle","Lslashsmall","Scaronsmall","Zcaronsmall","Dieresissmall","Brevesmall","Caronsmall","Dotaccentsmall","Macronsmall","figuredash","hypheninferior","Ogoneksmall","Ringsmall","Cedillasmall","questiondownsmall","oneeighth","threeeighths","fiveeighths","seveneighths","onethird","twothirds","zerosuperior","foursuperior","fivesuperior","sixsuperior","sevensuperior","eightsuperior","ninesuperior","zeroinferior","oneinferior","twoinferior","threeinferior","fourinferior","fiveinferior","sixinferior","seveninferior","eightinferior","nineinferior","centinferior","dollarinferior","periodinferior","commainferior","Agravesmall","Aacutesmall","Acircumflexsmall","Atildesmall","Adieresissmall","Aringsmall","AEsmall","Ccedillasmall","Egravesmall","Eacutesmall","Ecircumflexsmall","Edieresissmall","Igravesmall","Iacutesmall","Icircumflexsmall","Idieresissmall","Ethsmall","Ntildesmall","Ogravesmall","Oacutesmall","Ocircumflexsmall","Otildesmall","Odieresissmall","OEsmall","Oslashsmall","Ugravesmall","Uacutesmall","Ucircumflexsmall","Udieresissmall","Yacutesmall","Thornsmall","Ydieresissmall","001.000","001.001","001.002","001.003","Black","Bold","Book","Light","Medium","Regular","Roman","Semibold"];r.CFFStandardStrings=l;var u=function CFFParserClosure(){var t=[null,{id:"hstem",min:2,stackClearing:!0,stem:!0},null,{id:"vstem",min:2,stackClearing:!0,stem:!0},{id:"vmoveto",min:1,stackClearing:!0},{id:"rlineto",min:2,resetStack:!0},{id:"hlineto",min:1,resetStack:!0},{id:"vlineto",min:1,resetStack:!0},{id:"rrcurveto",min:6,resetStack:!0},null,{id:"callsubr",min:1,undefStack:!0},{id:"return",min:0,undefStack:!0},null,null,{id:"endchar",min:0,stackClearing:!0},null,null,null,{id:"hstemhm",min:2,stackClearing:!0,stem:!0},{id:"hintmask",min:0,stackClearing:!0},{id:"cntrmask",min:0,stackClearing:!0},{id:"rmoveto",min:2,stackClearing:!0},{id:"hmoveto",min:1,stackClearing:!0},{id:"vstemhm",min:2,stackClearing:!0,stem:!0},{id:"rcurveline",min:8,resetStack:!0},{id:"rlinecurve",min:8,resetStack:!0},{id:"vvcurveto",min:4,resetStack:!0},{id:"hhcurveto",min:4,resetStack:!0},null,{id:"callgsubr",min:1,undefStack:!0},{id:"vhcurveto",min:4,resetStack:!0},{id:"hvcurveto",min:4,resetStack:!0}],r=[null,null,null,{id:"and",min:2,stackDelta:-1},{id:"or",min:2,stackDelta:-1},{id:"not",min:1,stackDelta:0},null,null,null,{id:"abs",min:1,stackDelta:0},{id:"add",min:2,stackDelta:-1,stackFn:function stack_div(t,r){t[r-2]=t[r-2]+t[r-1]}},{id:"sub",min:2,stackDelta:-1,stackFn:function stack_div(t,r){t[r-2]=t[r-2]-t[r-1]}},{id:"div",min:2,stackDelta:-1,stackFn:function stack_div(t,r){t[r-2]=t[r-2]/t[r-1]}},null,{id:"neg",min:1,stackDelta:0,stackFn:function stack_div(t,r){t[r-1]=-t[r-1]}},{id:"eq",min:2,stackDelta:-1},null,null,{id:"drop",min:1,stackDelta:-1},null,{id:"put",min:2,stackDelta:-2},{id:"get",min:1,stackDelta:0},{id:"ifelse",min:4,stackDelta:-3},{id:"random",min:0,stackDelta:1},{id:"mul",min:2,stackDelta:-1,stackFn:function stack_div(t,r){t[r-2]=t[r-2]*t[r-1]}},null,{id:"sqrt",min:1,stackDelta:0},{id:"dup",min:1,stackDelta:1},{id:"exch",min:2,stackDelta:0},{id:"index",min:2,stackDelta:0},{id:"roll",min:3,stackDelta:-2},null,null,null,{id:"hflex",min:7,resetStack:!0},{id:"flex",min:13,resetStack:!0},{id:"hflex1",min:9,resetStack:!0},{id:"flex1",min:11,resetStack:!0}];return function(){function CFFParser(t,r,a){_classCallCheck(this,CFFParser);this.bytes=t.getBytes();this.properties=r;this.seacAnalysisEnabled=!!a}_createClass(CFFParser,[{key:"parse",value:function parse(){var t=this.properties,r=new h;this.cff=r;var a=this.parseHeader(),i=this.parseIndex(a.endPos),o=this.parseIndex(i.endPos),c=this.parseIndex(o.endPos),l=this.parseIndex(c.endPos),u=this.parseDict(o.obj.get(0)),d=this.createDict(y,u,r.strings);r.header=a.obj;r.names=this.parseNameIndex(i.obj);r.strings=this.parseStringIndex(c.obj);r.topDict=d;r.globalSubrIndex=l.obj;this.parsePrivateDict(r.topDict);r.isCIDFont=d.hasName("ROS");var p=d.getByName("CharStrings"),m=this.parseIndex(p).obj,g=d.getByName("FontMatrix");g&&(t.fontMatrix=g);var b,v,S=d.getByName("FontBBox");if(S){t.ascent=Math.max(S[3],S[1]);t.descent=Math.min(S[1],S[3]);t.ascentScaled=!0}if(r.isCIDFont){for(var k=this.parseIndex(d.getByName("FDArray")).obj,w=0,C=k.count;w<C;++w){var _=k.get(w),x=this.createDict(y,this.parseDict(_),r.strings);this.parsePrivateDict(x);r.fdArray.push(x)}v=null;b=this.parseCharsets(d.getByName("charset"),m.count,r.strings,!0);r.fdSelect=this.parseFDSelect(d.getByName("FDSelect"),m.count)}else{b=this.parseCharsets(d.getByName("charset"),m.count,r.strings,!1);v=this.parseEncoding(d.getByName("Encoding"),t,r.strings,b.charset)}r.charset=b;r.encoding=v;var A=this.parseCharStrings({charStrings:m,localSubrIndex:d.privateDict.subrsIndex,globalSubrIndex:l.obj,fdSelect:r.fdSelect,fdArray:r.fdArray,privateDict:d.privateDict});r.charStrings=A.charStrings;r.seacs=A.seacs;r.widths=A.widths;return r}},{key:"parseHeader",value:function parseHeader(){for(var t=this.bytes,r=t.length,a=0;a<r&&1!==t[a];)++a;if(a>=r)throw new i.FormatError("Invalid CFF header");if(0!==a){(0,i.info)("cff data is shifted");t=t.subarray(a);this.bytes=t}var o=t[0],c=t[1],l=t[2],u=t[3];return{obj:new d(o,c,l,u),endPos:l}}},{key:"parseDict",value:function parseDict(t){var r=0;function parseOperand(){var a=t[r++];if(30===a)return function parseFloatOperand(){var a="",i=["0","1","2","3","4","5","6","7","8","9",".","E","E-",null,"-"],o=t.length;for(;r<o;){var c=t[r++],l=c>>4,u=15&c;if(15===l)break;a+=i[l];if(15===u)break;a+=i[u]}return parseFloat(a)}();if(28===a)return a=((a=t[r++])<<24|t[r++]<<16)>>16;if(29===a)return a=(a=(a=(a=t[r++])<<8|t[r++])<<8|t[r++])<<8|t[r++];if(a>=32&&a<=246)return a-139;if(a>=247&&a<=250)return 256*(a-247)+t[r++]+108;if(a>=251&&a<=254)return-256*(a-251)-t[r++]-108;(0,i.warn)('CFFParser_parseDict: "'+a+'" is a reserved command.');return NaN}var a=[],o=[];r=0;for(var c=t.length;r<c;){var l=t[r];if(l<=21){12===l&&(l=l<<8|t[++r]);o.push([l,a]);a=[];++r}else a.push(parseOperand())}return o}},{key:"parseIndex",value:function parseIndex(t){var r,a,i=new m,o=this.bytes,c=o[t++]<<8|o[t++],l=[],u=t;if(0!==c){var h=o[t++],d=t+(c+1)*h-1;for(r=0,a=c+1;r<a;++r){for(var p=0,g=0;g<h;++g){p<<=8;p+=o[t++]}l.push(d+p)}u=l[c]}for(r=0,a=l.length-1;r<a;++r){var y=l[r],b=l[r+1];i.add(o.subarray(y,b))}return{obj:i,endPos:u}}},{key:"parseNameIndex",value:function parseNameIndex(t){for(var r=[],a=0,o=t.count;a<o;++a){var c=t.get(a);r.push((0,i.bytesToString)(c))}return r}},{key:"parseStringIndex",value:function parseStringIndex(t){for(var r=new p,a=0,o=t.count;a<o;++a){var c=t.get(a);r.add((0,i.bytesToString)(c))}return r}},{key:"createDict",value:function createDict(t,r,a){for(var i=new t(a),o=0,c=r.length;o<c;++o){var l=r[o],u=l[0],h=l[1];i.setByKey(u,h)}return i}},{key:"parseCharString",value:function parseCharString(a,o,c,l){if(!o||a.callDepth>10)return!1;for(var u=a.stackSize,h=a.stack,d=o.length,p=0;p<d;){var m=o[p++],g=null;if(12===m){var y=o[p++];if(0===y){o[p-2]=139;o[p-1]=22;u=0}else g=r[y]}else if(28===m){h[u]=(o[p]<<24|o[p+1]<<16)>>16;p+=2;u++}else if(14===m){if(u>=4){u-=4;if(this.seacAnalysisEnabled){a.seac=h.slice(u,u+4);return!1}}g=t[m]}else if(m>=32&&m<=246){h[u]=m-139;u++}else if(m>=247&&m<=254){h[u]=m<251?(m-247<<8)+o[p]+108:-(m-251<<8)-o[p]-108;p++;u++}else if(255===m){h[u]=(o[p]<<24|o[p+1]<<16|o[p+2]<<8|o[p+3])/65536;p+=4;u++}else if(19===m||20===m){a.hints+=u>>1;p+=a.hints+7>>3;u%=2;g=t[m]}else{if(10===m||29===m){var b;if(!(b=10===m?c:l)){g=t[m];(0,i.warn)("Missing subrsIndex for "+g.id);return!1}var v=32768;b.count<1240?v=107:b.count<33900&&(v=1131);var S=h[--u]+v;if(S<0||S>=b.count||isNaN(S)){g=t[m];(0,i.warn)("Out of bounds subrIndex for "+g.id);return!1}a.stackSize=u;a.callDepth++;if(!this.parseCharString(a,b.get(S),c,l))return!1;a.callDepth--;u=a.stackSize;continue}if(11===m){a.stackSize=u;return!0}g=t[m]}if(g){if(g.stem){a.hints+=u>>1;if(3===m||23===m)a.hasVStems=!0;else if(a.hasVStems&&(1===m||18===m)){(0,i.warn)("CFF stem hints are in wrong order");o[p-1]=1===m?3:23}}if("min"in g&&!a.undefStack&&u<g.min){(0,i.warn)("Not enough parameters for "+g.id+"; actual: "+u+", expected: "+g.min);return!1}if(a.firstStackClearing&&g.stackClearing){a.firstStackClearing=!1;(u-=g.min)>=2&&g.stem?u%=2:u>1&&(0,i.warn)("Found too many parameters for stack-clearing command");u>0&&h[u-1]>=0&&(a.width=h[u-1])}if("stackDelta"in g){"stackFn"in g&&g.stackFn(h,u);u+=g.stackDelta}else if(g.stackClearing)u=0;else if(g.resetStack){u=0;a.undefStack=!1}else if(g.undefStack){u=0;a.undefStack=!0;a.firstStackClearing=!1}}}a.stackSize=u;return!0}},{key:"parseCharStrings",value:function parseCharStrings(t){for(var r=t.charStrings,a=t.localSubrIndex,o=t.globalSubrIndex,c=t.fdSelect,l=t.fdArray,u=t.privateDict,h=[],d=[],p=r.count,m=0;m<p;m++){var g=r.get(m),y={callDepth:0,stackSize:0,stack:[],undefStack:!0,hints:0,firstStackClearing:!0,seac:null,width:null,hasVStems:!1},b=!0,v=null,S=u;if(c&&l.length){var k=c.getFDIndex(m);if(-1===k){(0,i.warn)("Glyph index is not in fd select.");b=!1}if(k>=l.length){(0,i.warn)("Invalid fd index for glyph index.");b=!1}b&&(v=(S=l[k].privateDict).subrsIndex)}else a&&(v=a);b&&(b=this.parseCharString(y,g,v,o));if(null!==y.width){var w=S.getByName("nominalWidthX");d[m]=w+y.width}else{var C=S.getByName("defaultWidthX");d[m]=C}null!==y.seac&&(h[m]=y.seac);b||r.set(m,new Uint8Array([14]))}return{charStrings:r,seacs:h,widths:d}}},{key:"emptyPrivateDictionary",value:function emptyPrivateDictionary(t){var r=this.createDict(b,[],t.strings);t.setByKey(18,[0,0]);t.privateDict=r}},{key:"parsePrivateDict",value:function parsePrivateDict(t){if(t.hasName("Private")){var r=t.getByName("Private");if(Array.isArray(r)&&2===r.length){var a=r[0],i=r[1];if(0===a||i>=this.bytes.length)this.emptyPrivateDictionary(t);else{var o=i+a,c=this.bytes.subarray(i,o),l=this.parseDict(c),u=this.createDict(b,l,t.strings);t.privateDict=u;if(u.getByName("Subrs")){var h=u.getByName("Subrs"),d=i+h;if(0===h||d>=this.bytes.length)this.emptyPrivateDictionary(t);else{var p=this.parseIndex(d);u.subrsIndex=p.obj}}}}else t.removeByName("Private")}else this.emptyPrivateDictionary(t)}},{key:"parseCharsets",value:function parseCharsets(t,r,a,c){if(0===t)return new S(!0,v.ISO_ADOBE,o.ISOAdobeCharset);if(1===t)return new S(!0,v.EXPERT,o.ExpertCharset);if(2===t)return new S(!0,v.EXPERT_SUBSET,o.ExpertSubsetCharset);var l,u,h,d=this.bytes,p=t,m=d[t++],g=[c?0:".notdef"];r-=1;switch(m){case 0:for(h=0;h<r;h++){l=d[t++]<<8|d[t++];g.push(c?l:a.get(l))}break;case 1:for(;g.length<=r;){l=d[t++]<<8|d[t++];u=d[t++];for(h=0;h<=u;h++)g.push(c?l++:a.get(l++))}break;case 2:for(;g.length<=r;){l=d[t++]<<8|d[t++];u=d[t++]<<8|d[t++];for(h=0;h<=u;h++)g.push(c?l++:a.get(l++))}break;default:throw new i.FormatError("Unknown charset format")}var y=t,b=d.subarray(p,y);return new S(!1,m,g,b)}},{key:"parseEncoding",value:function parseEncoding(t,r,a,o){var l,u,h,d=Object.create(null),p=this.bytes,m=!1,g=null;if(0===t||1===t){m=!0;l=t;var y=t?c.ExpertEncoding:c.StandardEncoding;for(u=0,h=o.length;u<h;u++){var b=y.indexOf(o[u]);-1!==b&&(d[b]=u)}}else{var v=t;switch(127&(l=p[t++])){case 0:var S=p[t++];for(u=1;u<=S;u++)d[p[t++]]=u;break;case 1:var w=p[t++],C=1;for(u=0;u<w;u++)for(var _=p[t++],x=p[t++],A=_;A<=_+x;A++)d[A]=C++;break;default:throw new i.FormatError("Unknown encoding format: ".concat(l," in CFF"))}var T=t;if(128&l){p[v]&=127;!function readSupplement(){var r=p[t++];for(u=0;u<r;u++){var i=p[t++],c=(p[t++]<<8)+(255&p[t++]);d[i]=o.indexOf(a.get(c))}}()}g=p.subarray(v,T)}return new k(m,l&=127,d,g)}},{key:"parseFDSelect",value:function parseFDSelect(t,r){var a,o=this.bytes,c=o[t++],l=[];switch(c){case 0:for(a=0;a<r;++a){var u=o[t++];l.push(u)}break;case 3:var h=o[t++]<<8|o[t++];for(a=0;a<h;++a){var d=o[t++]<<8|o[t++];if(0===a&&0!==d){(0,i.warn)("parseFDSelect: The first range must have a first GID of 0 -- trying to recover.");d=0}for(var p=o[t++],m=o[t]<<8|o[t+1],g=d;g<m;++g)l.push(p)}t+=2;break;default:throw new i.FormatError('parseFDSelect: Unknown format "'.concat(c,'".'))}if(l.length!==r)throw new i.FormatError("parseFDSelect: Invalid font data.");return new w(c,l)}}]);return CFFParser}()}();r.CFFParser=u;var h=function(){function CFF(){_classCallCheck(this,CFF);this.header=null;this.names=[];this.topDict=null;this.strings=new p;this.globalSubrIndex=null;this.encoding=null;this.charset=null;this.charStrings=null;this.fdArray=[];this.fdSelect=null;this.isCIDFont=!1}_createClass(CFF,[{key:"duplicateFirstGlyph",value:function duplicateFirstGlyph(){if(this.charStrings.count>=65535)(0,i.warn)("Not enough space in charstrings to duplicate first glyph.");else{var t=this.charStrings.get(0);this.charStrings.add(t);this.isCIDFont&&this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0])}}},{key:"hasGlyphId",value:function hasGlyphId(t){return!(t<0||t>=this.charStrings.count)&&this.charStrings.get(t).length>0}}]);return CFF}();r.CFF=h;var d=function CFFHeader(t,r,a,i){_classCallCheck(this,CFFHeader);this.major=t;this.minor=r;this.hdrSize=a;this.offSize=i};r.CFFHeader=d;var p=function(){function CFFStrings(){_classCallCheck(this,CFFStrings);this.strings=[]}_createClass(CFFStrings,[{key:"get",value:function get(t){return t>=0&&t<=390?l[t]:t-391<=this.strings.length?this.strings[t-391]:l[0]}},{key:"getSID",value:function getSID(t){var r=l.indexOf(t);return-1!==r?r:-1!==(r=this.strings.indexOf(t))?r+391:-1}},{key:"add",value:function add(t){this.strings.push(t)}},{key:"count",get:function get(){return this.strings.length}}]);return CFFStrings}();r.CFFStrings=p;var m=function(){function CFFIndex(){_classCallCheck(this,CFFIndex);this.objects=[];this.length=0}_createClass(CFFIndex,[{key:"add",value:function add(t){this.length+=t.length;this.objects.push(t)}},{key:"set",value:function set(t,r){this.length+=r.length-this.objects[t].length;this.objects[t]=r}},{key:"get",value:function get(t){return this.objects[t]}},{key:"count",get:function get(){return this.objects.length}}]);return CFFIndex}();r.CFFIndex=m;var g=function(){function CFFDict(t,r){_classCallCheck(this,CFFDict);this.keyToNameMap=t.keyToNameMap;this.nameToKeyMap=t.nameToKeyMap;this.defaults=t.defaults;this.types=t.types;this.opcodes=t.opcodes;this.order=t.order;this.strings=r;this.values=Object.create(null)}_createClass(CFFDict,[{key:"setByKey",value:function setByKey(t,r){if(!(t in this.keyToNameMap))return!1;var a=r.length;if(0===a)return!0;for(var o=0;o<a;o++)if(isNaN(r[o])){(0,i.warn)('Invalid CFFDict value: "'+r+'" for key "'+t+'".');return!0}var c=this.types[t];"num"!==c&&"sid"!==c&&"offset"!==c||(r=r[0]);this.values[t]=r;return!0}},{key:"setByName",value:function setByName(t,r){if(!(t in this.nameToKeyMap))throw new i.FormatError('Invalid dictionary name "'.concat(t,'"'));this.values[this.nameToKeyMap[t]]=r}},{key:"hasName",value:function hasName(t){return this.nameToKeyMap[t]in this.values}},{key:"getByName",value:function getByName(t){if(!(t in this.nameToKeyMap))throw new i.FormatError("Invalid dictionary name ".concat(t,'"'));var r=this.nameToKeyMap[t];return r in this.values?this.values[r]:this.defaults[r]}},{key:"removeByName",value:function removeByName(t){delete this.values[this.nameToKeyMap[t]]}}],[{key:"createTables",value:function createTables(t){for(var r={keyToNameMap:{},nameToKeyMap:{},defaults:{},types:{},opcodes:{},order:[]},a=0,i=t.length;a<i;++a){var o=t[a],c=Array.isArray(o[0])?(o[0][0]<<8)+o[0][1]:o[0];r.keyToNameMap[c]=o[1];r.nameToKeyMap[o[1]]=c;r.types[c]=o[2];r.defaults[c]=o[3];r.opcodes[c]=Array.isArray(o[0])?o[0]:[o[0]];r.order.push(c)}return r}}]);return CFFDict}(),y=function CFFTopDictClosure(){var t=[[[12,30],"ROS",["sid","sid","num"],null],[[12,20],"SyntheticBase","num",null],[0,"version","sid",null],[1,"Notice","sid",null],[[12,0],"Copyright","sid",null],[2,"FullName","sid",null],[3,"FamilyName","sid",null],[4,"Weight","sid",null],[[12,1],"isFixedPitch","num",0],[[12,2],"ItalicAngle","num",0],[[12,3],"UnderlinePosition","num",-100],[[12,4],"UnderlineThickness","num",50],[[12,5],"PaintType","num",0],[[12,6],"CharstringType","num",2],[[12,7],"FontMatrix",["num","num","num","num","num","num"],[.001,0,0,.001,0,0]],[13,"UniqueID","num",null],[5,"FontBBox",["num","num","num","num"],[0,0,0,0]],[[12,8],"StrokeWidth","num",0],[14,"XUID","array",null],[15,"charset","offset",0],[16,"Encoding","offset",0],[17,"CharStrings","offset",0],[18,"Private",["offset","offset"],null],[[12,21],"PostScript","sid",null],[[12,22],"BaseFontName","sid",null],[[12,23],"BaseFontBlend","delta",null],[[12,31],"CIDFontVersion","num",0],[[12,32],"CIDFontRevision","num",0],[[12,33],"CIDFontType","num",0],[[12,34],"CIDCount","num",8720],[[12,35],"UIDBase","num",null],[[12,37],"FDSelect","offset",null],[[12,36],"FDArray","offset",null],[[12,38],"FontName","sid",null]],r=null;return function(a){_inherits(CFFTopDict,a);var i=_createSuper(CFFTopDict);function CFFTopDict(a){var o;_classCallCheck(this,CFFTopDict);null===r&&(r=g.createTables(t));(o=i.call(this,r,a)).privateDict=null;return o}return CFFTopDict}(g)}();r.CFFTopDict=y;var b=function CFFPrivateDictClosure(){var t=[[6,"BlueValues","delta",null],[7,"OtherBlues","delta",null],[8,"FamilyBlues","delta",null],[9,"FamilyOtherBlues","delta",null],[[12,9],"BlueScale","num",.039625],[[12,10],"BlueShift","num",7],[[12,11],"BlueFuzz","num",1],[10,"StdHW","num",null],[11,"StdVW","num",null],[[12,12],"StemSnapH","delta",null],[[12,13],"StemSnapV","delta",null],[[12,14],"ForceBold","num",0],[[12,17],"LanguageGroup","num",0],[[12,18],"ExpansionFactor","num",.06],[[12,19],"initialRandomSeed","num",0],[20,"defaultWidthX","num",0],[21,"nominalWidthX","num",0],[19,"Subrs","offset",null]],r=null;return function(a){_inherits(CFFPrivateDict,a);var i=_createSuper(CFFPrivateDict);function CFFPrivateDict(a){var o;_classCallCheck(this,CFFPrivateDict);null===r&&(r=g.createTables(t));(o=i.call(this,r,a)).subrsIndex=null;return o}return CFFPrivateDict}(g)}();r.CFFPrivateDict=b;var v={ISO_ADOBE:0,EXPERT:1,EXPERT_SUBSET:2},S=function CFFCharset(t,r,a,i){_classCallCheck(this,CFFCharset);this.predefined=t;this.format=r;this.charset=a;this.raw=i};r.CFFCharset=S;var k=function CFFEncoding(t,r,a,i){_classCallCheck(this,CFFEncoding);this.predefined=t;this.format=r;this.encoding=a;this.raw=i},w=function(){function CFFFDSelect(t,r){_classCallCheck(this,CFFFDSelect);this.format=t;this.fdSelect=r}_createClass(CFFFDSelect,[{key:"getFDIndex",value:function getFDIndex(t){return t<0||t>=this.fdSelect.length?-1:this.fdSelect[t]}}]);return CFFFDSelect}();r.CFFFDSelect=w;var C=function(){function CFFOffsetTracker(){_classCallCheck(this,CFFOffsetTracker);this.offsets=Object.create(null)}_createClass(CFFOffsetTracker,[{key:"isTracking",value:function isTracking(t){return t in this.offsets}},{key:"track",value:function track(t,r){if(t in this.offsets)throw new i.FormatError("Already tracking location of ".concat(t));this.offsets[t]=r}},{key:"offset",value:function offset(t){for(var r in this.offsets)this.offsets[r]+=t}},{key:"setEntryLocation",value:function setEntryLocation(t,r,a){if(!(t in this.offsets))throw new i.FormatError("Not tracking location of ".concat(t));for(var o=a.data,c=this.offsets[t],l=0,u=r.length;l<u;++l){var h=5*l+c,d=h+1,p=h+2,m=h+3,g=h+4;if(29!==o[h]||0!==o[d]||0!==o[p]||0!==o[m]||0!==o[g])throw new i.FormatError("writing to an offset that is not empty");var y=r[l];o[h]=29;o[d]=y>>24&255;o[p]=y>>16&255;o[m]=y>>8&255;o[g]=255&y}}}]);return CFFOffsetTracker}(),_=function(){function CFFCompiler(t){_classCallCheck(this,CFFCompiler);this.cff=t}_createClass(CFFCompiler,[{key:"compile",value:function compile(){var t=this.cff,r={data:[],length:0,add:function CFFCompiler_add(t){this.data=this.data.concat(t);this.length=this.data.length}},a=this.compileHeader(t.header);r.add(a);var o=this.compileNameIndex(t.names);r.add(o);if(t.isCIDFont&&t.topDict.hasName("FontMatrix")){var c=t.topDict.getByName("FontMatrix");t.topDict.removeByName("FontMatrix");for(var l=0,u=t.fdArray.length;l<u;l++){var h=t.fdArray[l],d=c.slice(0);h.hasName("FontMatrix")&&(d=i.Util.transform(d,h.getByName("FontMatrix")));h.setByName("FontMatrix",d)}}t.topDict.setByName("charset",0);var p=this.compileTopDicts([t.topDict],r.length,t.isCIDFont);r.add(p.output);var m=p.trackers[0],g=this.compileStringIndex(t.strings.strings);r.add(g);var y=this.compileIndex(t.globalSubrIndex);r.add(y);if(t.encoding&&t.topDict.hasName("Encoding"))if(t.encoding.predefined)m.setEntryLocation("Encoding",[t.encoding.format],r);else{var b=this.compileEncoding(t.encoding);m.setEntryLocation("Encoding",[r.length],r);r.add(b)}var 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nvertedbreve=522;t.Iishortcyrillic=1049;t.Imacron=298;t.Imacroncyrillic=1250;t.Imonospace=65321;t.Iniarmenian=1339;t.Iocyrillic=1025;t.Iogonek=302;t.Iota=921;t.Iotaafrican=406;t.Iotadieresis=938;t.Iotatonos=906;t.Ismall=63337;t.Istroke=407;t.Itilde=296;t.Itildebelow=7724;t.Izhitsacyrillic=1140;t.Izhitsadblgravecyrillic=1142;t.J=74;t.Jaarmenian=1345;t.Jcircle=9407;t.Jcircumflex=308;t.Jecyrillic=1032;t.Jheharmenian=1355;t.Jmonospace=65322;t.Jsmall=63338;t.K=75;t.KBsquare=13189;t.KKsquare=13261;t.Kabashkircyrillic=1184;t.Kacute=7728;t.Kacyrillic=1050;t.Kadescendercyrillic=1178;t.Kahookcyrillic=1219;t.Kappa=922;t.Kastrokecyrillic=1182;t.Kaverticalstrokecyrillic=1180;t.Kcaron=488;t.Kcedilla=310;t.Kcircle=9408;t.Kcommaaccent=310;t.Kdotbelow=7730;t.Keharmenian=1364;t.Kenarmenian=1343;t.Khacyrillic=1061;t.Kheicoptic=998;t.Khook=408;t.Kjecyrillic=1036;t.Klinebelow=7732;t.Kmonospace=65323;t.Koppacyrillic=1152;t.Koppagreek=990;t.Ksicyrillic=1134;t.Ksmall=63339;t.L=76;t.LJ=455;t.LL=63167;t.Lacute=313;t.Lambda=923;t.Lcaron=317;t.Lcedilla=315;t.Lcircle=9409;t.Lcircumflexbelow=7740;t.Lcommaaccent=315;t.Ldot=319;t.Ldotaccent=319;t.Ldotbelow=7734;t.Ldotbelowmacron=7736;t.Liwnarmenian=1340;t.Lj=456;t.Ljecyrillic=1033;t.Llinebelow=7738;t.Lmonospace=65324;t.Lslash=321;t.Lslashsmall=63225;t.Lsmall=63340;t.M=77;t.MBsquare=13190;t.Macron=63184;t.Macronsmall=63407;t.Macute=7742;t.Mcircle=9410;t.Mdotaccent=7744;t.Mdotbelow=7746;t.Menarmenian=1348;t.Mmonospace=65325;t.Msmall=63341;t.Mturned=412;t.Mu=924;t.N=78;t.NJ=458;t.Nacute=323;t.Ncaron=327;t.Ncedilla=325;t.Ncircle=9411;t.Ncircumflexbelow=7754;t.Ncommaaccent=325;t.Ndotaccent=7748;t.Ndotbelow=7750;t.Nhookleft=413;t.Nineroman=8552;t.Nj=459;t.Njecyrillic=1034;t.Nlinebelow=7752;t.Nmonospace=65326;t.Nowarmenian=1350;t.Nsmall=63342;t.Ntilde=209;t.Ntildesmall=63473;t.Nu=925;t.O=79;t.OE=338;t.OEsmall=63226;t.Oacute=211;t.Oacutesmall=63475;t.Obarredcyrillic=1256;t.Obarreddieresiscyrillic=1258;t.Obreve=334;t.Ocaron=465;t.Ocenteredtilde=415;t.Ocircle=9412;t.Ocircumflex=212;t.Ocircumflexacute=7888;t.Ocircumflexdotbelow=7896;t.Ocircumflexgrave=7890;t.Ocircumflexhookabove=7892;t.Ocircumflexsmall=63476;t.Ocircumflextilde=7894;t.Ocyrillic=1054;t.Odblacute=336;t.Odblgrave=524;t.Odieresis=214;t.Odieresiscyrillic=1254;t.Odieresissmall=63478;t.Odotbelow=7884;t.Ogoneksmall=63227;t.Ograve=210;t.Ogravesmall=63474;t.Oharmenian=1365;t.Ohm=8486;t.Ohookabove=7886;t.Ohorn=416;t.Ohornacute=7898;t.Ohorndotbelow=7906;t.Ohorngrave=7900;t.Ohornhookabove=7902;t.Ohorntilde=7904;t.Ohungarumlaut=336;t.Oi=418;t.Oinvertedbreve=526;t.Omacron=332;t.Omacronacute=7762;t.Omacrongrave=7760;t.Omega=8486;t.Omegacyrillic=1120;t.Omegagreek=937;t.Omegaroundcyrillic=1146;t.Omegatitlocyrillic=1148;t.Omegatonos=911;t.Omicron=927;t.Omicrontonos=908;t.Omonospace=65327;t.Oneroman=8544;t.Oogonek=490;t.Oogonekmacron=492;t.Oopen=390;t.Oslash=216;t.Oslashacute=510;t.Oslashsmall=63480;t.Osmall=63343;t.Ostrokeacute=510;t.Otcyrillic=1150;t.Otilde=213;t.Otildeacute=7756;t.Otildedieresis=7758;t.Otildesmall=63477;t.P=80;t.Pacute=7764;t.Pcircle=9413;t.Pdotaccent=7766;t.Pecyrillic=1055;t.Peharmenian=1354;t.Pemiddlehookcyrillic=1190;t.Phi=934;t.Phook=420;t.Pi=928;t.Piwrarmenian=1363;t.Pmonospace=65328;t.Psi=936;t.Psicyrillic=1136;t.Psmall=63344;t.Q=81;t.Qcircle=9414;t.Qmonospace=65329;t.Qsmall=63345;t.R=82;t.Raarmenian=1356;t.Racute=340;t.Rcaron=344;t.Rcedilla=342;t.Rcircle=9415;t.Rcommaaccent=342;t.Rdblgrave=528;t.Rdotaccent=7768;t.Rdotbelow=7770;t.Rdotbelowmacron=7772;t.Reharmenian=1360;t.Rfraktur=8476;t.Rho=929;t.Ringsmall=63228;t.Rinvertedbreve=530;t.Rlinebelow=7774;t.Rmonospace=65330;t.Rsmall=63346;t.Rsmallinverted=641;t.Rsmallinvertedsuperior=694;t.S=83;t.SF010000=9484;t.SF020000=9492;t.SF030000=9488;t.SF040000=9496;t.SF050000=9532;t.SF060000=9516;t.SF070000=9524;t.SF080000=9500;t.SF090000=9508;t.SF100000=9472;t.SF110000=9474;t.SF190000=9569;t.SF200000=9570;t.SF210000=9558;t.SF220000=9557;t.SF230000=9571;t.SF240000=9553;t.SF250000=9559;t.SF260000=9565;t.SF270000=9564;t.SF280000=9563;t.SF360000=9566;t.SF370000=9567;t.SF380000=9562;t.SF390000=9556;t.SF400000=9577;t.SF410000=9574;t.SF420000=9568;t.SF430000=9552;t.SF440000=9580;t.SF450000=9575;t.SF460000=9576;t.SF470000=9572;t.SF480000=9573;t.SF490000=9561;t.SF500000=9560;t.SF510000=9554;t.SF520000=9555;t.SF530000=9579;t.SF540000=9578;t.Sacute=346;t.Sacutedotaccent=7780;t.Sampigreek=992;t.Scaron=352;t.Scarondotaccent=7782;t.Scaronsmall=63229;t.Scedilla=350;t.Schwa=399;t.Schwacyrillic=1240;t.Schwadieresiscyrillic=1242;t.Scircle=9416;t.Scircumflex=348;t.Scommaaccent=536;t.Sdotaccent=7776;t.Sdotbelow=7778;t.Sdotbelowdotaccent=7784;t.Seharmenian=1357;t.Sevenroman=8550;t.Shaarmenian=1351;t.Shacyrillic=1064;t.Shchacyrillic=1065;t.Sheicoptic=994;t.Shhacyrillic=1210;t.Shimacoptic=1004;t.Sigma=931;t.Sixroman=8549;t.Smonospace=65331;t.Softsigncyrillic=1068;t.Ssmall=63347;t.Stigmagreek=986;t.T=84;t.Tau=932;t.Tbar=358;t.Tcaron=356;t.Tcedilla=354;t.Tcircle=9417;t.Tcircumflexbelow=7792;t.Tcommaaccent=354;t.Tdotaccent=7786;t.Tdotbelow=7788;t.Tecyrillic=1058;t.Tedescendercyrillic=1196;t.Tenroman=8553;t.Tetsecyrillic=1204;t.Theta=920;t.Thook=428;t.Thorn=222;t.Thornsmall=63486;t.Threeroman=8546;t.Tildesmall=63230;t.Tiwnarmenian=1359;t.Tlinebelow=7790;t.Tmonospace=65332;t.Toarmenian=1337;t.Tonefive=444;t.Tonesix=388;t.Tonetwo=423;t.Tretroflexhook=430;t.Tsecyrillic=1062;t.Tshecyrillic=1035;t.Tsmall=63348;t.Twelveroman=8555;t.Tworoman=8545;t.U=85;t.Uacute=218;t.Uacutesmall=63482;t.Ubreve=364;t.Ucaron=467;t.Ucircle=9418;t.Ucircumflex=219;t.Ucircumflexbelow=7798;t.Ucircumflexsmall=63483;t.Ucyrillic=1059;t.Udblacute=368;t.Udblgrave=532;t.Udieresis=220;t.Udieresisacute=471;t.Udieresisbelow=7794;t.Udieresiscaron=473;t.Udieresiscyrillic=1264;t.Udieresisgrave=475;t.Udieresismacron=469;t.Udieresissmall=63484;t.Udotbelow=7908;t.Ugrave=217;t.Ugravesmall=63481;t.Uhookabove=7910;t.Uhorn=431;t.Uhornacute=7912;t.Uhorndotbelow=7920;t.Uhorngrave=7914;t.Uhornhookabove=7916;t.Uhorntilde=7918;t.Uhungarumlaut=368;t.Uhungarumlautcyrillic=1266;t.Uinvertedbreve=534;t.Ukcyrillic=1144;t.Umacron=362;t.Umacroncyrillic=1262;t.Umacrondieresis=7802;t.Umonospace=65333;t.Uogonek=370;t.Upsilon=933;t.Upsilon1=978;t.Upsilonacutehooksymbolgreek=979;t.Upsilonafrican=433;t.Upsilondieresis=939;t.Upsilondieresishooksymbolgreek=980;t.Upsilonhooksymbol=978;t.Upsilontonos=910;t.Uring=366;t.Ushortcyrillic=1038;t.Usmall=63349;t.Ustraightcyrillic=1198;t.Ustraightstrokecyrillic=1200;t.Utilde=360;t.Utildeacute=7800;t.Utildebelow=7796;t.V=86;t.Vcircle=9419;t.Vdotbelow=7806;t.Vecyrillic=1042;t.Vewarmenian=1358;t.Vhook=434;t.Vmonospace=65334;t.Voarmenian=1352;t.Vsmall=63350;t.Vtilde=7804;t.W=87;t.Wacute=7810;t.Wcircle=9420;t.Wcircumflex=372;t.Wdieresis=7812;t.Wdotaccent=7814;t.Wdotbelow=7816;t.Wgrave=7808;t.Wmonospace=65335;t.Wsmall=63351;t.X=88;t.Xcircle=9421;t.Xdieresis=7820;t.Xdotaccent=7818;t.Xeharmenian=1341;t.Xi=926;t.Xmonospace=65336;t.Xsmall=63352;t.Y=89;t.Yacute=221;t.Yacutesmall=63485;t.Yatcyrillic=1122;t.Ycircle=9422;t.Ycircumflex=374;t.Ydieresis=376;t.Ydieresissmall=63487;t.Ydotaccent=7822;t.Ydotbelow=7924;t.Yericyrillic=1067;t.Yerudieresiscyrillic=1272;t.Ygrave=7922;t.Yhook=435;t.Yhookabove=7926;t.Yiarmenian=1349;t.Yicyrillic=1031;t.Yiwnarmenian=1362;t.Ymonospace=65337;t.Ysmall=63353;t.Ytilde=7928;t.Yusbigcyrillic=1130;t.Yusbigiotifiedcyrillic=1132;t.Yuslittlecyrillic=1126;t.Yuslittleiotifiedcyrillic=1128;t.Z=90;t.Zaarmenian=1334;t.Zacute=377;t.Zcaron=381;t.Zcaronsmall=63231;t.Zcircle=9423;t.Zcircumflex=7824;t.Zdot=379;t.Zdotaccent=379;t.Zdotbelow=7826;t.Zecyrillic=1047;t.Zedescendercyrillic=1176;t.Zedieresiscyrillic=1246;t.Zeta=918;t.Zhearmenian=1338;t.Zhebrevecyrillic=1217;t.Zhecyrillic=1046;t.Zhedescendercyrillic=1174;t.Zhedieresiscyrillic=1244;t.Zlinebelow=7828;t.Zmonospace=65338;t.Zsmall=63354;t.Zstroke=437;t.a=97;t.aabengali=2438;t.aacute=225;t.aadeva=2310;t.aagujarati=2694;t.aagurmukhi=2566;t.aamatragurmukhi=2622;t.aarusquare=13059;t.aavowelsignbengali=2494;t.aavowelsigndeva=2366;t.aavowelsigngujarati=2750;t.abbreviationmarkarmenian=1375;t.abbreviationsigndeva=2416;t.abengali=2437;t.abopomofo=12570;t.abreve=259;t.abreveacute=7855;t.abrevecyrillic=1233;t.abrevedotbelow=7863;t.abrevegrave=7857;t.abrevehookabove=7859;t.abrevetilde=7861;t.acaron=462;t.acircle=9424;t.acircumflex=226;t.acircumflexacute=7845;t.acircumflexdotbelow=7853;t.acircumflexgrave=7847;t.acircumflexhookabove=7849;t.acircumflextilde=7851;t.acute=180;t.acutebelowcmb=791;t.acutecmb=769;t.acutecomb=769;t.acutedeva=2388;t.acutelowmod=719;t.acutetonecmb=833;t.acyrillic=1072;t.adblgrave=513;t.addakgurmukhi=2673;t.adeva=2309;t.adieresis=228;t.adieresiscyrillic=1235;t.adieresismacron=479;t.adotbelow=7841;t.adotmacron=481;t.ae=230;t.aeacute=509;t.aekorean=12624;t.aemacron=483;t.afii00208=8213;t.afii08941=8356;t.afii10017=1040;t.afii10018=1041;t.afii10019=1042;t.afii10020=1043;t.afii10021=1044;t.afii10022=1045;t.afii10023=1025;t.afii10024=1046;t.afii10025=1047;t.afii10026=1048;t.afii10027=1049;t.afii10028=1050;t.afii10029=1051;t.afii10030=1052;t.afii10031=1053;t.afii10032=1054;t.afii10033=1055;t.afii10034=1056;t.afii10035=1057;t.afii10036=1058;t.afii10037=1059;t.afii10038=1060;t.afii10039=1061;t.afii10040=1062;t.afii10041=1063;t.afii10042=1064;t.afii10043=1065;t.afii10044=1066;t.afii10045=1067;t.afii10046=1068;t.afii10047=1069;t.afii10048=1070;t.afii10049=1071;t.afii10050=1168;t.afii10051=1026;t.afii10052=1027;t.afii10053=1028;t.afii10054=1029;t.afii10055=1030;t.afii10056=1031;t.afii10057=1032;t.afii10058=1033;t.afii10059=1034;t.afii10060=1035;t.afii10061=1036;t.afii10062=1038;t.afii10063=63172;t.afii10064=63173;t.afii10065=1072;t.afii10066=1073;t.afii10067=1074;t.afii10068=1075;t.afii10069=1076;t.afii10070=1077;t.afii10071=1105;t.afii10072=1078;t.afii10073=1079;t.afii10074=1080;t.afii10075=1081;t.afii10076=1082;t.afii10077=1083;t.afii10078=1084;t.afii10079=1085;t.afii10080=1086;t.afii10081=1087;t.afii10082=1088;t.afii10083=1089;t.afii10084=1090;t.afii10085=1091;t.afii10086=1092;t.afii10087=1093;t.afii10088=1094;t.afii10089=1095;t.afii10090=1096;t.afii10091=1097;t.afii10092=1098;t.afii10093=1099;t.afii10094=1100;t.afii10095=1101;t.afii10096=1102;t.afii10097=1103;t.afii10098=1169;t.afii10099=1106;t.afii10100=1107;t.afii10101=1108;t.afii10102=1109;t.afii10103=1110;t.afii10104=1111;t.afii10105=1112;t.afii10106=1113;t.afii10107=1114;t.afii10108=1115;t.afii10109=1116;t.afii10110=1118;t.afii10145=1039;t.afii10146=1122;t.afii10147=1138;t.afii10148=1140;t.afii10192=63174;t.afii10193=1119;t.afii10194=1123;t.afii10195=1139;t.afii10196=1141;t.afii10831=63175;t.afii10832=63176;t.afii10846=1241;t.afii299=8206;t.afii300=8207;t.afii301=8205;t.afii57381=1642;t.afii57388=1548;t.afii57392=1632;t.afii57393=1633;t.afii57394=1634;t.afii57395=1635;t.afii57396=1636;t.afii57397=1637;t.afii57398=1638;t.afii57399=1639;t.afii57400=1640;t.afii57401=1641;t.afii57403=1563;t.afii57407=1567;t.afii57409=1569;t.afii57410=1570;t.afii57411=1571;t.afii57412=1572;t.afii57413=1573;t.afii57414=1574;t.afii57415=1575;t.afii57416=1576;t.afii57417=1577;t.afii57418=1578;t.afii57419=1579;t.afii57420=1580;t.afii57421=1581;t.afii57422=1582;t.afii57423=1583;t.afii57424=1584;t.afii57425=1585;t.afii57426=1586;t.afii57427=1587;t.afii57428=1588;t.afii57429=1589;t.afii57430=1590;t.afii57431=1591;t.afii57432=1592;t.afii57433=1593;t.afii57434=1594;t.afii57440=1600;t.afii57441=1601;t.afii57442=1602;t.afii57443=1603;t.afii57444=1604;t.afii57445=1605;t.afii57446=1606;t.afii57448=1608;t.afii57449=1609;t.afii57450=1610;t.afii57451=1611;t.afii57452=1612;t.afii57453=1613;t.afii57454=1614;t.afii57455=1615;t.afii57456=1616;t.afii57457=1617;t.afii57458=1618;t.afii57470=1607;t.afii57505=1700;t.afii57506=1662;t.afii57507=1670;t.afii57508=1688;t.afii57509=1711;t.afii57511=1657;t.afii57512=1672;t.afii57513=1681;t.afii57514=1722;t.afii57519=1746;t.afii57534=1749;t.afii57636=8362;t.afii57645=1470;t.afii57658=1475;t.afii57664=1488;t.afii57665=1489;t.afii57666=1490;t.afii57667=1491;t.afii57668=1492;t.afii57669=1493;t.afii57670=1494;t.afii57671=1495;t.afii57672=1496;t.afii57673=1497;t.afii57674=1498;t.afii57675=1499;t.afii57676=1500;t.afii57677=1501;t.afii57678=1502;t.afii57679=1503;t.afii57680=1504;t.afii57681=1505;t.afii57682=1506;t.afii57683=1507;t.afii57684=1508;t.afii57685=1509;t.afii57686=1510;t.afii57687=1511;t.afii57688=1512;t.afii57689=1513;t.afii57690=1514;t.afii57694=64298;t.afii57695=64299;t.afii57700=64331;t.afii57705=64287;t.afii57716=1520;t.afii57717=1521;t.afii57718=1522;t.afii57723=64309;t.afii57793=1460;t.afii57794=1461;t.afii57795=1462;t.afii57796=1467;t.afii57797=1464;t.afii57798=1463;t.afii57799=1456;t.afii57800=1458;t.afii57801=1457;t.afii57802=1459;t.afii57803=1474;t.afii57804=1473;t.afii57806=1465;t.afii57807=1468;t.afii57839=1469;t.afii57841=1471;t.afii57842=1472;t.afii57929=700;t.afii61248=8453;t.afii61289=8467;t.afii61352=8470;t.afii61573=8236;t.afii61574=8237;t.afii61575=8238;t.afii61664=8204;t.afii63167=1645;t.afii64937=701;t.agrave=224;t.agujarati=2693;t.agurmukhi=2565;t.ahiragana=12354;t.ahookabove=7843;t.aibengali=2448;t.aibopomofo=12574;t.aideva=2320;t.aiecyrillic=1237;t.aigujarati=2704;t.aigurmukhi=2576;t.aimatragurmukhi=2632;t.ainarabic=1593;t.ainfinalarabic=65226;t.aininitialarabic=65227;t.ainmedialarabic=65228;t.ainvertedbreve=515;t.aivowelsignbengali=2504;t.aivowelsigndeva=2376;t.aivowelsigngujarati=2760;t.akatakana=12450;t.akatakanahalfwidth=65393;t.akorean=12623;t.alef=1488;t.alefarabic=1575;t.alefdageshhebrew=64304;t.aleffinalarabic=65166;t.alefhamzaabovearabic=1571;t.alefhamzaabovefinalarabic=65156;t.alefhamzabelowarabic=1573;t.alefhamzabelowfinalarabic=65160;t.alefhebrew=1488;t.aleflamedhebrew=64335;t.alefmaddaabovearabic=1570;t.alefmaddaabovefinalarabic=65154;t.alefmaksuraarabic=1609;t.alefmaksurafinalarabic=65264;t.alefmaksurainitialarabic=65267;t.alefmaksuramedialarabic=65268;t.alefpatahhebrew=64302;t.alefqamatshebrew=64303;t.aleph=8501;t.allequal=8780;t.alpha=945;t.alphatonos=940;t.amacron=257;t.amonospace=65345;t.ampersand=38;t.ampersandmonospace=65286;t.ampersandsmall=63270;t.amsquare=13250;t.anbopomofo=12578;t.angbopomofo=12580;t.angbracketleft=12296;t.angbracketright=12297;t.angkhankhuthai=3674;t.angle=8736;t.anglebracketleft=12296;t.anglebracketleftvertical=65087;t.anglebracketright=12297;t.anglebracketrightvertical=65088;t.angleleft=9001;t.angleright=9002;t.angstrom=8491;t.anoteleia=903;t.anudattadeva=2386;t.anusvarabengali=2434;t.anusvaradeva=2306;t.anusvaragujarati=2690;t.aogonek=261;t.apaatosquare=13056;t.aparen=9372;t.apostrophearmenian=1370;t.apostrophemod=700;t.apple=63743;t.approaches=8784;t.approxequal=8776;t.approxequalorimage=8786;t.approximatelyequal=8773;t.araeaekorean=12686;t.araeakorean=12685;t.arc=8978;t.arighthalfring=7834;t.aring=229;t.aringacute=507;t.aringbelow=7681;t.arrowboth=8596;t.arrowdashdown=8675;t.arrowdashleft=8672;t.arrowdashright=8674;t.arrowdashup=8673;t.arrowdblboth=8660;t.arrowdbldown=8659;t.arrowdblleft=8656;t.arrowdblright=8658;t.arrowdblup=8657;t.arrowdown=8595;t.arrowdownleft=8601;t.arrowdownright=8600;t.arrowdownwhite=8681;t.arrowheaddownmod=709;t.arrowheadleftmod=706;t.arrowheadrightmod=707;t.arrowheadupmod=708;t.arrowhorizex=63719;t.arrowleft=8592;t.arrowleftdbl=8656;t.arrowleftdblstroke=8653;t.arrowleftoverright=8646;t.arrowleftwhite=8678;t.arrowright=8594;t.arrowrightdblstroke=8655;t.arrowrightheavy=10142;t.arrowrightoverleft=8644;t.arrowrightwhite=8680;t.arrowtableft=8676;t.arrowtabright=8677;t.arrowup=8593;t.arrowupdn=8597;t.arrowupdnbse=8616;t.arrowupdownbase=8616;t.arrowupleft=8598;t.arrowupleftofdown=8645;t.arrowupright=8599;t.arrowupwhite=8679;t.arrowvertex=63718;t.asciicircum=94;t.asciicircummonospace=65342;t.asciitilde=126;t.asciitildemonospace=65374;t.ascript=593;t.ascriptturned=594;t.asmallhiragana=12353;t.asmallkatakana=12449;t.asmallkatakanahalfwidth=65383;t.asterisk=42;t.asteriskaltonearabic=1645;t.asteriskarabic=1645;t.asteriskmath=8727;t.asteriskmonospace=65290;t.asterisksmall=65121;t.asterism=8258;t.asuperior=63209;t.asymptoticallyequal=8771;t.at=64;t.atilde=227;t.atmonospace=65312;t.atsmall=65131;t.aturned=592;t.aubengali=2452;t.aubopomofo=12576;t.audeva=2324;t.augujarati=2708;t.augurmukhi=2580;t.aulengthmarkbengali=2519;t.aumatragurmukhi=2636;t.auvowelsignbengali=2508;t.auvowelsigndeva=2380;t.auvowelsigngujarati=2764;t.avagrahadeva=2365;t.aybarmenian=1377;t.ayin=1506;t.ayinaltonehebrew=64288;t.ayinhebrew=1506;t.b=98;t.babengali=2476;t.backslash=92;t.backslashmonospace=65340;t.badeva=2348;t.bagujarati=2732;t.bagurmukhi=2604;t.bahiragana=12400;t.bahtthai=3647;t.bakatakana=12496;t.bar=124;t.barmonospace=65372;t.bbopomofo=12549;t.bcircle=9425;t.bdotaccent=7683;t.bdotbelow=7685;t.beamedsixteenthnotes=9836;t.because=8757;t.becyrillic=1073;t.beharabic=1576;t.behfinalarabic=65168;t.behinitialarabic=65169;t.behiragana=12409;t.behmedialarabic=65170;t.behmeeminitialarabic=64671;t.behmeemisolatedarabic=64520;t.behnoonfinalarabic=64621;t.bekatakana=12505;t.benarmenian=1378;t.bet=1489;t.beta=946;t.betasymbolgreek=976;t.betdagesh=64305;t.betdageshhebrew=64305;t.bethebrew=1489;t.betrafehebrew=64332;t.bhabengali=2477;t.bhadeva=2349;t.bhagujarati=2733;t.bhagurmukhi=2605;t.bhook=595;t.bihiragana=12403;t.bikatakana=12499;t.bilabialclick=664;t.bindigurmukhi=2562;t.birusquare=13105;t.blackcircle=9679;t.blackdiamond=9670;t.blackdownpointingtriangle=9660;t.blackleftpointingpointer=9668;t.blackleftpointingtriangle=9664;t.blacklenticularbracketleft=12304;t.blacklenticularbracketleftvertical=65083;t.blacklenticularbracketright=12305;t.blacklenticularbracketrightvertical=65084;t.blacklowerlefttriangle=9699;t.blacklowerrighttriangle=9698;t.blackrectangle=9644;t.blackrightpointingpointer=9658;t.blackrightpointingtriangle=9654;t.blacksmallsquare=9642;t.blacksmilingface=9787;t.blacksquare=9632;t.blackstar=9733;t.blackupperlefttriangle=9700;t.blackupperrighttriangle=9701;t.blackuppointingsmalltriangle=9652;t.blackuppointingtriangle=9650;t.blank=9251;t.blinebelow=7687;t.block=9608;t.bmonospace=65346;t.bobaimaithai=3610;t.bohiragana=12412;t.bokatakana=12508;t.bparen=9373;t.bqsquare=13251;t.braceex=63732;t.braceleft=123;t.braceleftbt=63731;t.braceleftmid=63730;t.braceleftmonospace=65371;t.braceleftsmall=65115;t.bracelefttp=63729;t.braceleftvertical=65079;t.braceright=125;t.bracerightbt=63742;t.bracerightmid=63741;t.bracerightmonospace=65373;t.bracerightsmall=65116;t.bracerighttp=63740;t.bracerightvertical=65080;t.bracketleft=91;t.bracketleftbt=63728;t.bracketleftex=63727;t.bracketleftmonospace=65339;t.bracketlefttp=63726;t.bracketright=93;t.bracketrightbt=63739;t.bracketrightex=63738;t.bracketrightmonospace=65341;t.bracketrighttp=63737;t.breve=728;t.brevebelowcmb=814;t.brevecmb=774;t.breveinvertedbelowcmb=815;t.breveinvertedcmb=785;t.breveinverteddoublecmb=865;t.bridgebelowcmb=810;t.bridgeinvertedbelowcmb=826;t.brokenbar=166;t.bstroke=384;t.bsuperior=63210;t.btopbar=387;t.buhiragana=12406;t.bukatakana=12502;t.bullet=8226;t.bulletinverse=9688;t.bulletoperator=8729;t.bullseye=9678;t.c=99;t.caarmenian=1390;t.cabengali=2458;t.cacute=263;t.cadeva=2330;t.cagujarati=2714;t.cagurmukhi=2586;t.calsquare=13192;t.candrabindubengali=2433;t.candrabinducmb=784;t.candrabindudeva=2305;t.candrabindugujarati=2689;t.capslock=8682;t.careof=8453;t.caron=711;t.caronbelowcmb=812;t.caroncmb=780;t.carriagereturn=8629;t.cbopomofo=12568;t.ccaron=269;t.ccedilla=231;t.ccedillaacute=7689;t.ccircle=9426;t.ccircumflex=265;t.ccurl=597;t.cdot=267;t.cdotaccent=267;t.cdsquare=13253;t.cedilla=184;t.cedillacmb=807;t.cent=162;t.centigrade=8451;t.centinferior=63199;t.centmonospace=65504;t.centoldstyle=63394;t.centsuperior=63200;t.chaarmenian=1401;t.chabengali=2459;t.chadeva=2331;t.chagujarati=2715;t.chagurmukhi=2587;t.chbopomofo=12564;t.cheabkhasiancyrillic=1213;t.checkmark=10003;t.checyrillic=1095;t.chedescenderabkhasiancyrillic=1215;t.chedescendercyrillic=1207;t.chedieresiscyrillic=1269;t.cheharmenian=1395;t.chekhakassiancyrillic=1228;t.cheverticalstrokecyrillic=1209;t.chi=967;t.chieuchacirclekorean=12919;t.chieuchaparenkorean=12823;t.chieuchcirclekorean=12905;t.chieuchkorean=12618;t.chieuchparenkorean=12809;t.chochangthai=3594;t.chochanthai=3592;t.chochingthai=3593;t.chochoethai=3596;t.chook=392;t.cieucacirclekorean=12918;t.cieucaparenkorean=12822;t.cieuccirclekorean=12904;t.cieuckorean=12616;t.cieucparenkorean=12808;t.cieucuparenkorean=12828;t.circle=9675;t.circlecopyrt=169;t.circlemultiply=8855;t.circleot=8857;t.circleplus=8853;t.circlepostalmark=12342;t.circlewithlefthalfblack=9680;t.circlewithrighthalfblack=9681;t.circumflex=710;t.circumflexbelowcmb=813;t.circumflexcmb=770;t.clear=8999;t.clickalveolar=450;t.clickdental=448;t.clicklateral=449;t.clickretroflex=451;t.club=9827;t.clubsuitblack=9827;t.clubsuitwhite=9831;t.cmcubedsquare=13220;t.cmonospace=65347;t.cmsquaredsquare=13216;t.coarmenian=1409;t.colon=58;t.colonmonetary=8353;t.colonmonospace=65306;t.colonsign=8353;t.colonsmall=65109;t.colontriangularhalfmod=721;t.colontriangularmod=720;t.comma=44;t.commaabovecmb=787;t.commaaboverightcmb=789;t.commaaccent=63171;t.commaarabic=1548;t.commaarmenian=1373;t.commainferior=63201;t.commamonospace=65292;t.commareversedabovecmb=788;t.commareversedmod=701;t.commasmall=65104;t.commasuperior=63202;t.commaturnedabovecmb=786;t.commaturnedmod=699;t.compass=9788;t.congruent=8773;t.contourintegral=8750;t.control=8963;t.controlACK=6;t.controlBEL=7;t.controlBS=8;t.controlCAN=24;t.controlCR=13;t.controlDC1=17;t.controlDC2=18;t.controlDC3=19;t.controlDC4=20;t.controlDEL=127;t.controlDLE=16;t.controlEM=25;t.controlENQ=5;t.controlEOT=4;t.controlESC=27;t.controlETB=23;t.controlETX=3;t.controlFF=12;t.controlFS=28;t.controlGS=29;t.controlHT=9;t.controlLF=10;t.controlNAK=21;t.controlNULL=0;t.controlRS=30;t.controlSI=15;t.controlSO=14;t.controlSOT=2;t.controlSTX=1;t.controlSUB=26;t.controlSYN=22;t.controlUS=31;t.controlVT=11;t.copyright=169;t.copyrightsans=63721;t.copyrightserif=63193;t.cornerbracketleft=12300;t.cornerbracketlefthalfwidth=65378;t.cornerbracketleftvertical=65089;t.cornerbracketright=12301;t.cornerbracketrighthalfwidth=65379;t.cornerbracketrightvertical=65090;t.corporationsquare=13183;t.cosquare=13255;t.coverkgsquare=13254;t.cparen=9374;t.cruzeiro=8354;t.cstretched=663;t.curlyand=8911;t.curlyor=8910;t.currency=164;t.cyrBreve=63185;t.cyrFlex=63186;t.cyrbreve=63188;t.cyrflex=63189;t.d=100;t.daarmenian=1380;t.dabengali=2470;t.dadarabic=1590;t.dadeva=2342;t.dadfinalarabic=65214;t.dadinitialarabic=65215;t.dadmedialarabic=65216;t.dagesh=1468;t.dageshhebrew=1468;t.dagger=8224;t.daggerdbl=8225;t.dagujarati=2726;t.dagurmukhi=2598;t.dahiragana=12384;t.dakatakana=12480;t.dalarabic=1583;t.dalet=1491;t.daletdagesh=64307;t.daletdageshhebrew=64307;t.dalethebrew=1491;t.dalfinalarabic=65194;t.dammaarabic=1615;t.dammalowarabic=1615;t.dammatanaltonearabic=1612;t.dammatanarabic=1612;t.danda=2404;t.dargahebrew=1447;t.dargalefthebrew=1447;t.dasiapneumatacyrilliccmb=1157;t.dblGrave=63187;t.dblanglebracketleft=12298;t.dblanglebracketleftvertical=65085;t.dblanglebracketright=12299;t.dblanglebracketrightvertical=65086;t.dblarchinvertedbelowcmb=811;t.dblarrowleft=8660;t.dblarrowright=8658;t.dbldanda=2405;t.dblgrave=63190;t.dblgravecmb=783;t.dblintegral=8748;t.dbllowline=8215;t.dbllowlinecmb=819;t.dbloverlinecmb=831;t.dblprimemod=698;t.dblverticalbar=8214;t.dblverticallineabovecmb=782;t.dbopomofo=12553;t.dbsquare=13256;t.dcaron=271;t.dcedilla=7697;t.dcircle=9427;t.dcircumflexbelow=7699;t.dcroat=273;t.ddabengali=2465;t.ddadeva=2337;t.ddagujarati=2721;t.ddagurmukhi=2593;t.ddalarabic=1672;t.ddalfinalarabic=64393;t.dddhadeva=2396;t.ddhabengali=2466;t.ddhadeva=2338;t.ddhagujarati=2722;t.ddhagurmukhi=2594;t.ddotaccent=7691;t.ddotbelow=7693;t.decimalseparatorarabic=1643;t.decimalseparatorpersian=1643;t.decyrillic=1076;t.degree=176;t.dehihebrew=1453;t.dehiragana=12391;t.deicoptic=1007;t.dekatakana=12487;t.deleteleft=9003;t.deleteright=8998;t.delta=948;t.deltaturned=397;t.denominatorminusonenumeratorbengali=2552;t.dezh=676;t.dhabengali=2471;t.dhadeva=2343;t.dhagujarati=2727;t.dhagurmukhi=2599;t.dhook=599;t.dialytikatonos=901;t.dialytikatonoscmb=836;t.diamond=9830;t.diamondsuitwhite=9826;t.dieresis=168;t.dieresisacute=63191;t.dieresisbelowcmb=804;t.dieresiscmb=776;t.dieresisgrave=63192;t.dieresistonos=901;t.dihiragana=12386;t.dikatakana=12482;t.dittomark=12291;t.divide=247;t.divides=8739;t.divisionslash=8725;t.djecyrillic=1106;t.dkshade=9619;t.dlinebelow=7695;t.dlsquare=13207;t.dmacron=273;t.dmonospace=65348;t.dnblock=9604;t.dochadathai=3598;t.dodekthai=3604;t.dohiragana=12393;t.dokatakana=12489;t.dollar=36;t.dollarinferior=63203;t.dollarmonospace=65284;t.dollaroldstyle=63268;t.dollarsmall=65129;t.dollarsuperior=63204;t.dong=8363;t.dorusquare=13094;t.dotaccent=729;t.dotaccentcmb=775;t.dotbelowcmb=803;t.dotbelowcomb=803;t.dotkatakana=12539;t.dotlessi=305;t.dotlessj=63166;t.dotlessjstrokehook=644;t.dotmath=8901;t.dottedcircle=9676;t.doubleyodpatah=64287;t.doubleyodpatahhebrew=64287;t.downtackbelowcmb=798;t.downtackmod=725;t.dparen=9375;t.dsuperior=63211;t.dtail=598;t.dtopbar=396;t.duhiragana=12389;t.dukatakana=12485;t.dz=499;t.dzaltone=675;t.dzcaron=454;t.dzcurl=677;t.dzeabkhasiancyrillic=1249;t.dzecyrillic=1109;t.dzhecyrillic=1119;t.e=101;t.eacute=233;t.earth=9793;t.ebengali=2447;t.ebopomofo=12572;t.ebreve=277;t.ecandradeva=2317;t.ecandragujarati=2701;t.ecandravowelsigndeva=2373;t.ecandravowelsigngujarati=2757;t.ecaron=283;t.ecedillabreve=7709;t.echarmenian=1381;t.echyiwnarmenian=1415;t.ecircle=9428;t.ecircumflex=234;t.ecircumflexacute=7871;t.ecircumflexbelow=7705;t.ecircumflexdotbelow=7879;t.ecircumflexgrave=7873;t.ecircumflexhookabove=7875;t.ecircumflextilde=7877;t.ecyrillic=1108;t.edblgrave=517;t.edeva=2319;t.edieresis=235;t.edot=279;t.edotaccent=279;t.edotbelow=7865;t.eegurmukhi=2575;t.eematragurmukhi=2631;t.efcyrillic=1092;t.egrave=232;t.egujarati=2703;t.eharmenian=1383;t.ehbopomofo=12573;t.ehiragana=12360;t.ehookabove=7867;t.eibopomofo=12575;t.eight=56;t.eightarabic=1640;t.eightbengali=2542;t.eightcircle=9319;t.eightcircleinversesansserif=10129;t.eightdeva=2414;t.eighteencircle=9329;t.eighteenparen=9349;t.eighteenperiod=9369;t.eightgujarati=2798;t.eightgurmukhi=2670;t.eighthackarabic=1640;t.eighthangzhou=12328;t.eighthnotebeamed=9835;t.eightideographicparen=12839;t.eightinferior=8328;t.eightmonospace=65304;t.eightoldstyle=63288;t.eightparen=9339;t.eightperiod=9359;t.eightpersian=1784;t.eightroman=8567;t.eightsuperior=8312;t.eightthai=3672;t.einvertedbreve=519;t.eiotifiedcyrillic=1125;t.ekatakana=12456;t.ekatakanahalfwidth=65396;t.ekonkargurmukhi=2676;t.ekorean=12628;t.elcyrillic=1083;t.element=8712;t.elevencircle=9322;t.elevenparen=9342;t.elevenperiod=9362;t.elevenroman=8570;t.ellipsis=8230;t.ellipsisvertical=8942;t.emacron=275;t.emacronacute=7703;t.emacrongrave=7701;t.emcyrillic=1084;t.emdash=8212;t.emdashvertical=65073;t.emonospace=65349;t.emphasismarkarmenian=1371;t.emptyset=8709;t.enbopomofo=12579;t.encyrillic=1085;t.endash=8211;t.endashvertical=65074;t.endescendercyrillic=1187;t.eng=331;t.engbopomofo=12581;t.enghecyrillic=1189;t.enhookcyrillic=1224;t.enspace=8194;t.eogonek=281;t.eokorean=12627;t.eopen=603;t.eopenclosed=666;t.eopenreversed=604;t.eopenreversedclosed=606;t.eopenreversedhook=605;t.eparen=9376;t.epsilon=949;t.epsilontonos=941;t.equal=61;t.equalmonospace=65309;t.equalsmall=65126;t.equalsuperior=8316;t.equivalence=8801;t.erbopomofo=12582;t.ercyrillic=1088;t.ereversed=600;t.ereversedcyrillic=1101;t.escyrillic=1089;t.esdescendercyrillic=1195;t.esh=643;t.eshcurl=646;t.eshortdeva=2318;t.eshortvowelsigndeva=2374;t.eshreversedloop=426;t.eshsquatreversed=645;t.esmallhiragana=12359;t.esmallkatakana=12455;t.esmallkatakanahalfwidth=65386;t.estimated=8494;t.esuperior=63212;t.eta=951;t.etarmenian=1384;t.etatonos=942;t.eth=240;t.etilde=7869;t.etildebelow=7707;t.etnahtafoukhhebrew=1425;t.etnahtafoukhlefthebrew=1425;t.etnahtahebrew=1425;t.etnahtalefthebrew=1425;t.eturned=477;t.eukorean=12641;t.euro=8364;t.evowelsignbengali=2503;t.evowelsigndeva=2375;t.evowelsigngujarati=2759;t.exclam=33;t.exclamarmenian=1372;t.exclamdbl=8252;t.exclamdown=161;t.exclamdownsmall=63393;t.exclammonospace=65281;t.exclamsmall=63265;t.existential=8707;t.ezh=658;t.ezhcaron=495;t.ezhcurl=659;t.ezhreversed=441;t.ezhtail=442;t.f=102;t.fadeva=2398;t.fagurmukhi=2654;t.fahrenheit=8457;t.fathaarabic=1614;t.fathalowarabic=1614;t.fathatanarabic=1611;t.fbopomofo=12552;t.fcircle=9429;t.fdotaccent=7711;t.feharabic=1601;t.feharmenian=1414;t.fehfinalarabic=65234;t.fehinitialarabic=65235;t.fehmedialarabic=65236;t.feicoptic=997;t.female=9792;t.ff=64256;t.f_f=64256;t.ffi=64259;t.ffl=64260;t.fi=64257;t.fifteencircle=9326;t.fifteenparen=9346;t.fifteenperiod=9366;t.figuredash=8210;t.filledbox=9632;t.filledrect=9644;t.finalkaf=1498;t.finalkafdagesh=64314;t.finalkafdageshhebrew=64314;t.finalkafhebrew=1498;t.finalmem=1501;t.finalmemhebrew=1501;t.finalnun=1503;t.finalnunhebrew=1503;t.finalpe=1507;t.finalpehebrew=1507;t.finaltsadi=1509;t.finaltsadihebrew=1509;t.firsttonechinese=713;t.fisheye=9673;t.fitacyrillic=1139;t.five=53;t.fivearabic=1637;t.fivebengali=2539;t.fivecircle=9316;t.fivecircleinversesansserif=10126;t.fivedeva=2411;t.fiveeighths=8541;t.fivegujarati=2795;t.fivegurmukhi=2667;t.fivehackarabic=1637;t.fivehangzhou=12325;t.fiveideographicparen=12836;t.fiveinferior=8325;t.fivemonospace=65301;t.fiveoldstyle=63285;t.fiveparen=9336;t.fiveperiod=9356;t.fivepersian=1781;t.fiveroman=8564;t.fivesuperior=8309;t.fivethai=3669;t.fl=64258;t.florin=402;t.fmonospace=65350;t.fmsquare=13209;t.fofanthai=3615;t.fofathai=3613;t.fongmanthai=3663;t.forall=8704;t.four=52;t.fourarabic=1636;t.fourbengali=2538;t.fourcircle=9315;t.fourcircleinversesansserif=10125;t.fourdeva=2410;t.fourgujarati=2794;t.fourgurmukhi=2666;t.fourhackarabic=1636;t.fourhangzhou=12324;t.fourideographicparen=12835;t.fourinferior=8324;t.fourmonospace=65300;t.fournumeratorbengali=2551;t.fouroldstyle=63284;t.fourparen=9335;t.fourperiod=9355;t.fourpersian=1780;t.fourroman=8563;t.foursuperior=8308;t.fourteencircle=9325;t.fourteenparen=9345;t.fourteenperiod=9365;t.fourthai=3668;t.fourthtonechinese=715;t.fparen=9377;t.fraction=8260;t.franc=8355;t.g=103;t.gabengali=2455;t.gacute=501;t.gadeva=2327;t.gafarabic=1711;t.gaffinalarabic=64403;t.gafinitialarabic=64404;t.gafmedialarabic=64405;t.gagujarati=2711;t.gagurmukhi=2583;t.gahiragana=12364;t.gakatakana=12460;t.gamma=947;t.gammalatinsmall=611;t.gammasuperior=736;t.gangiacoptic=1003;t.gbopomofo=12557;t.gbreve=287;t.gcaron=487;t.gcedilla=291;t.gcircle=9430;t.gcircumflex=285;t.gcommaaccent=291;t.gdot=289;t.gdotaccent=289;t.gecyrillic=1075;t.gehiragana=12370;t.gekatakana=12466;t.geometricallyequal=8785;t.gereshaccenthebrew=1436;t.gereshhebrew=1523;t.gereshmuqdamhebrew=1437;t.germandbls=223;t.gershayimaccenthebrew=1438;t.gershayimhebrew=1524;t.getamark=12307;t.ghabengali=2456;t.ghadarmenian=1394;t.ghadeva=2328;t.ghagujarati=2712;t.ghagurmukhi=2584;t.ghainarabic=1594;t.ghainfinalarabic=65230;t.ghaininitialarabic=65231;t.ghainmedialarabic=65232;t.ghemiddlehookcyrillic=1173;t.ghestrokecyrillic=1171;t.gheupturncyrillic=1169;t.ghhadeva=2394;t.ghhagurmukhi=2650;t.ghook=608;t.ghzsquare=13203;t.gihiragana=12366;t.gikatakana=12462;t.gimarmenian=1379;t.gimel=1490;t.gimeldagesh=64306;t.gimeldageshhebrew=64306;t.gimelhebrew=1490;t.gjecyrillic=1107;t.glottalinvertedstroke=446;t.glottalstop=660;t.glottalstopinverted=662;t.glottalstopmod=704;t.glottalstopreversed=661;t.glottalstopreversedmod=705;t.glottalstopreversedsuperior=740;t.glottalstopstroke=673;t.glottalstopstrokereversed=674;t.gmacron=7713;t.gmonospace=65351;t.gohiragana=12372;t.gokatakana=12468;t.gparen=9378;t.gpasquare=13228;t.gradient=8711;t.grave=96;t.gravebelowcmb=790;t.gravecmb=768;t.gravecomb=768;t.gravedeva=2387;t.gravelowmod=718;t.gravemonospace=65344;t.gravetonecmb=832;t.greater=62;t.greaterequal=8805;t.greaterequalorless=8923;t.greatermonospace=65310;t.greaterorequivalent=8819;t.greaterorless=8823;t.greateroverequal=8807;t.greatersmall=65125;t.gscript=609;t.gstroke=485;t.guhiragana=12368;t.guillemotleft=171;t.guillemotright=187;t.guilsinglleft=8249;t.guilsinglright=8250;t.gukatakana=12464;t.guramusquare=13080;t.gysquare=13257;t.h=104;t.haabkhasiancyrillic=1193;t.haaltonearabic=1729;t.habengali=2489;t.hadescendercyrillic=1203;t.hadeva=2361;t.hagujarati=2745;t.hagurmukhi=2617;t.haharabic=1581;t.hahfinalarabic=65186;t.hahinitialarabic=65187;t.hahiragana=12399;t.hahmedialarabic=65188;t.haitusquare=13098;t.hakatakana=12495;t.hakatakanahalfwidth=65418;t.halantgurmukhi=2637;t.hamzaarabic=1569;t.hamzalowarabic=1569;t.hangulfiller=12644;t.hardsigncyrillic=1098;t.harpoonleftbarbup=8636;t.harpoonrightbarbup=8640;t.hasquare=13258;t.hatafpatah=1458;t.hatafpatah16=1458;t.hatafpatah23=1458;t.hatafpatah2f=1458;t.hatafpatahhebrew=1458;t.hatafpatahnarrowhebrew=1458;t.hatafpatahquarterhebrew=1458;t.hatafpatahwidehebrew=1458;t.hatafqamats=1459;t.hatafqamats1b=1459;t.hatafqamats28=1459;t.hatafqamats34=1459;t.hatafqamatshebrew=1459;t.hatafqamatsnarrowhebrew=1459;t.hatafqamatsquarterhebrew=1459;t.hatafqamatswidehebrew=1459;t.hatafsegol=1457;t.hatafsegol17=1457;t.hatafsegol24=1457;t.hatafsegol30=1457;t.hatafsegolhebrew=1457;t.hatafsegolnarrowhebrew=1457;t.hatafsegolquarterhebrew=1457;t.hatafsegolwidehebrew=1457;t.hbar=295;t.hbopomofo=12559;t.hbrevebelow=7723;t.hcedilla=7721;t.hcircle=9431;t.hcircumflex=293;t.hdieresis=7719;t.hdotaccent=7715;t.hdotbelow=7717;t.he=1492;t.heart=9829;t.heartsuitblack=9829;t.heartsuitwhite=9825;t.hedagesh=64308;t.hedageshhebrew=64308;t.hehaltonearabic=1729;t.heharabic=1607;t.hehebrew=1492;t.hehfinalaltonearabic=64423;t.hehfinalalttwoarabic=65258;t.hehfinalarabic=65258;t.hehhamzaabovefinalarabic=64421;t.hehhamzaaboveisolatedarabic=64420;t.hehinitialaltonearabic=64424;t.hehinitialarabic=65259;t.hehiragana=12408;t.hehmedialaltonearabic=64425;t.hehmedialarabic=65260;t.heiseierasquare=13179;t.hekatakana=12504;t.hekatakanahalfwidth=65421;t.hekutaarusquare=13110;t.henghook=615;t.herutusquare=13113;t.het=1495;t.hethebrew=1495;t.hhook=614;t.hhooksuperior=689;t.hieuhacirclekorean=12923;t.hieuhaparenkorean=12827;t.hieuhcirclekorean=12909;t.hieuhkorean=12622;t.hieuhparenkorean=12813;t.hihiragana=12402;t.hikatakana=12498;t.hikatakanahalfwidth=65419;t.hiriq=1460;t.hiriq14=1460;t.hiriq21=1460;t.hiriq2d=1460;t.hiriqhebrew=1460;t.hiriqnarrowhebrew=1460;t.hiriqquarterhebrew=1460;t.hiriqwidehebrew=1460;t.hlinebelow=7830;t.hmonospace=65352;t.hoarmenian=1392;t.hohipthai=3627;t.hohiragana=12411;t.hokatakana=12507;t.hokatakanahalfwidth=65422;t.holam=1465;t.holam19=1465;t.holam26=1465;t.holam32=1465;t.holamhebrew=1465;t.holamnarrowhebrew=1465;t.holamquarterhebrew=1465;t.holamwidehebrew=1465;t.honokhukthai=3630;t.hookabovecomb=777;t.hookcmb=777;t.hookpalatalizedbelowcmb=801;t.hookretroflexbelowcmb=802;t.hoonsquare=13122;t.horicoptic=1001;t.horizontalbar=8213;t.horncmb=795;t.hotsprings=9832;t.house=8962;t.hparen=9379;t.hsuperior=688;t.hturned=613;t.huhiragana=12405;t.huiitosquare=13107;t.hukatakana=12501;t.hukatakanahalfwidth=65420;t.hungarumlaut=733;t.hungarumlautcmb=779;t.hv=405;t.hyphen=45;t.hypheninferior=63205;t.hyphenmonospace=65293;t.hyphensmall=65123;t.hyphensuperior=63206;t.hyphentwo=8208;t.i=105;t.iacute=237;t.iacyrillic=1103;t.ibengali=2439;t.ibopomofo=12583;t.ibreve=301;t.icaron=464;t.icircle=9432;t.icircumflex=238;t.icyrillic=1110;t.idblgrave=521;t.ideographearthcircle=12943;t.ideographfirecircle=12939;t.ideographicallianceparen=12863;t.ideographiccallparen=12858;t.ideographiccentrecircle=12965;t.ideographicclose=12294;t.ideographiccomma=12289;t.ideographiccommaleft=65380;t.ideographiccongratulationparen=12855;t.ideographiccorrectcircle=12963;t.ideographicearthparen=12847;t.ideographicenterpriseparen=12861;t.ideographicexcellentcircle=12957;t.ideographicfestivalparen=12864;t.ideographicfinancialcircle=12950;t.ideographicfinancialparen=12854;t.ideographicfireparen=12843;t.ideographichaveparen=12850;t.ideographichighcircle=12964;t.ideographiciterationmark=12293;t.ideographiclaborcircle=12952;t.ideographiclaborparen=12856;t.ideographicleftcircle=12967;t.ideographiclowcircle=12966;t.ideographicmedicinecircle=12969;t.ideographicmetalparen=12846;t.ideographicmoonparen=12842;t.ideographicnameparen=12852;t.ideographicperiod=12290;t.ideographicprintcircle=12958;t.ideographicreachparen=12867;t.ideographicrepresentparen=12857;t.ideographicresourceparen=12862;t.ideographicrightcircle=12968;t.ideographicsecretcircle=12953;t.ideographicselfparen=12866;t.ideographicsocietyparen=12851;t.ideographicspace=12288;t.ideographicspecialparen=12853;t.ideographicstockparen=12849;t.ideographicstudyparen=12859;t.ideographicsunparen=12848;t.ideographicsuperviseparen=12860;t.ideographicwaterparen=12844;t.ideographicwoodparen=12845;t.ideographiczero=12295;t.ideographmetalcircle=12942;t.ideographmooncircle=12938;t.ideographnamecircle=12948;t.ideographsuncircle=12944;t.ideographwatercircle=12940;t.ideographwoodcircle=12941;t.ideva=2311;t.idieresis=239;t.idieresisacute=7727;t.idieresiscyrillic=1253;t.idotbelow=7883;t.iebrevecyrillic=1239;t.iecyrillic=1077;t.ieungacirclekorean=12917;t.ieungaparenkorean=12821;t.ieungcirclekorean=12903;t.ieungkorean=12615;t.ieungparenkorean=12807;t.igrave=236;t.igujarati=2695;t.igurmukhi=2567;t.ihiragana=12356;t.ihookabove=7881;t.iibengali=2440;t.iicyrillic=1080;t.iideva=2312;t.iigujarati=2696;t.iigurmukhi=2568;t.iimatragurmukhi=2624;t.iinvertedbreve=523;t.iishortcyrillic=1081;t.iivowelsignbengali=2496;t.iivowelsigndeva=2368;t.iivowelsigngujarati=2752;t.ij=307;t.ikatakana=12452;t.ikatakanahalfwidth=65394;t.ikorean=12643;t.ilde=732;t.iluyhebrew=1452;t.imacron=299;t.imacroncyrillic=1251;t.imageorapproximatelyequal=8787;t.imatragurmukhi=2623;t.imonospace=65353;t.increment=8710;t.infinity=8734;t.iniarmenian=1387;t.integral=8747;t.integralbottom=8993;t.integralbt=8993;t.integralex=63733;t.integraltop=8992;t.integraltp=8992;t.intersection=8745;t.intisquare=13061;t.invbullet=9688;t.invcircle=9689;t.invsmileface=9787;t.iocyrillic=1105;t.iogonek=303;t.iota=953;t.iotadieresis=970;t.iotadieresistonos=912;t.iotalatin=617;t.iotatonos=943;t.iparen=9380;t.irigurmukhi=2674;t.ismallhiragana=12355;t.ismallkatakana=12451;t.ismallkatakanahalfwidth=65384;t.issharbengali=2554;t.istroke=616;t.isuperior=63213;t.iterationhiragana=12445;t.iterationkatakana=12541;t.itilde=297;t.itildebelow=7725;t.iubopomofo=12585;t.iucyrillic=1102;t.ivowelsignbengali=2495;t.ivowelsigndeva=2367;t.ivowelsigngujarati=2751;t.izhitsacyrillic=1141;t.izhitsadblgravecyrillic=1143;t.j=106;t.jaarmenian=1393;t.jabengali=2460;t.jadeva=2332;t.jagujarati=2716;t.jagurmukhi=2588;t.jbopomofo=12560;t.jcaron=496;t.jcircle=9433;t.jcircumflex=309;t.jcrossedtail=669;t.jdotlessstroke=607;t.jecyrillic=1112;t.jeemarabic=1580;t.jeemfinalarabic=65182;t.jeeminitialarabic=65183;t.jeemmedialarabic=65184;t.jeharabic=1688;t.jehfinalarabic=64395;t.jhabengali=2461;t.jhadeva=2333;t.jhagujarati=2717;t.jhagurmukhi=2589;t.jheharmenian=1403;t.jis=12292;t.jmonospace=65354;t.jparen=9381;t.jsuperior=690;t.k=107;t.kabashkircyrillic=1185;t.kabengali=2453;t.kacute=7729;t.kacyrillic=1082;t.kadescendercyrillic=1179;t.kadeva=2325;t.kaf=1499;t.kafarabic=1603;t.kafdagesh=64315;t.kafdageshhebrew=64315;t.kaffinalarabic=65242;t.kafhebrew=1499;t.kafinitialarabic=65243;t.kafmedialarabic=65244;t.kafrafehebrew=64333;t.kagujarati=2709;t.kagurmukhi=2581;t.kahiragana=12363;t.kahookcyrillic=1220;t.kakatakana=12459;t.kakatakanahalfwidth=65398;t.kappa=954;t.kappasymbolgreek=1008;t.kapyeounmieumkorean=12657;t.kapyeounphieuphkorean=12676;t.kapyeounpieupkorean=12664;t.kapyeounssangpieupkorean=12665;t.karoriisquare=13069;t.kashidaautoarabic=1600;t.kashidaautonosidebearingarabic=1600;t.kasmallkatakana=12533;t.kasquare=13188;t.kasraarabic=1616;t.kasratanarabic=1613;t.kastrokecyrillic=1183;t.katahiraprolongmarkhalfwidth=65392;t.kaverticalstrokecyrillic=1181;t.kbopomofo=12558;t.kcalsquare=13193;t.kcaron=489;t.kcedilla=311;t.kcircle=9434;t.kcommaaccent=311;t.kdotbelow=7731;t.keharmenian=1412;t.kehiragana=12369;t.kekatakana=12465;t.kekatakanahalfwidth=65401;t.kenarmenian=1391;t.kesmallkatakana=12534;t.kgreenlandic=312;t.khabengali=2454;t.khacyrillic=1093;t.khadeva=2326;t.khagujarati=2710;t.khagurmukhi=2582;t.khaharabic=1582;t.khahfinalarabic=65190;t.khahinitialarabic=65191;t.khahmedialarabic=65192;t.kheicoptic=999;t.khhadeva=2393;t.khhagurmukhi=2649;t.khieukhacirclekorean=12920;t.khieukhaparenkorean=12824;t.khieukhcirclekorean=12906;t.khieukhkorean=12619;t.khieukhparenkorean=12810;t.khokhaithai=3586;t.khokhonthai=3589;t.khokhuatthai=3587;t.khokhwaithai=3588;t.khomutthai=3675;t.khook=409;t.khorakhangthai=3590;t.khzsquare=13201;t.kihiragana=12365;t.kikatakana=12461;t.kikatakanahalfwidth=65399;t.kiroguramusquare=13077;t.kiromeetorusquare=13078;t.kirosquare=13076;t.kiyeokacirclekorean=12910;t.kiyeokaparenkorean=12814;t.kiyeokcirclekorean=12896;t.kiyeokkorean=12593;t.kiyeokparenkorean=12800;t.kiyeoksioskorean=12595;t.kjecyrillic=1116;t.klinebelow=7733;t.klsquare=13208;t.kmcubedsquare=13222;t.kmonospace=65355;t.kmsquaredsquare=13218;t.kohiragana=12371;t.kohmsquare=13248;t.kokaithai=3585;t.kokatakana=12467;t.kokatakanahalfwidth=65402;t.kooposquare=13086;t.koppacyrillic=1153;t.koreanstandardsymbol=12927;t.koroniscmb=835;t.kparen=9382;t.kpasquare=13226;t.ksicyrillic=1135;t.ktsquare=13263;t.kturned=670;t.kuhiragana=12367;t.kukatakana=12463;t.kukatakanahalfwidth=65400;t.kvsquare=13240;t.kwsquare=13246;t.l=108;t.labengali=2482;t.lacute=314;t.ladeva=2354;t.lagujarati=2738;t.lagurmukhi=2610;t.lakkhangyaothai=3653;t.lamaleffinalarabic=65276;t.lamalefhamzaabovefinalarabic=65272;t.lamalefhamzaaboveisolatedarabic=65271;t.lamalefhamzabelowfinalarabic=65274;t.lamalefhamzabelowisolatedarabic=65273;t.lamalefisolatedarabic=65275;t.lamalefmaddaabovefinalarabic=65270;t.lamalefmaddaaboveisolatedarabic=65269;t.lamarabic=1604;t.lambda=955;t.lambdastroke=411;t.lamed=1500;t.lameddagesh=64316;t.lameddageshhebrew=64316;t.lamedhebrew=1500;t.lamfinalarabic=65246;t.lamhahinitialarabic=64714;t.laminitialarabic=65247;t.lamjeeminitialarabic=64713;t.lamkhahinitialarabic=64715;t.lamlamhehisolatedarabic=65010;t.lammedialarabic=65248;t.lammeemhahinitialarabic=64904;t.lammeeminitialarabic=64716;t.largecircle=9711;t.lbar=410;t.lbelt=620;t.lbopomofo=12556;t.lcaron=318;t.lcedilla=316;t.lcircle=9435;t.lcircumflexbelow=7741;t.lcommaaccent=316;t.ldot=320;t.ldotaccent=320;t.ldotbelow=7735;t.ldotbelowmacron=7737;t.leftangleabovecmb=794;t.lefttackbelowcmb=792;t.less=60;t.lessequal=8804;t.lessequalorgreater=8922;t.lessmonospace=65308;t.lessorequivalent=8818;t.lessorgreater=8822;t.lessoverequal=8806;t.lesssmall=65124;t.lezh=622;t.lfblock=9612;t.lhookretroflex=621;t.lira=8356;t.liwnarmenian=1388;t.lj=457;t.ljecyrillic=1113;t.ll=63168;t.lladeva=2355;t.llagujarati=2739;t.llinebelow=7739;t.llladeva=2356;t.llvocalicbengali=2529;t.llvocalicdeva=2401;t.llvocalicvowelsignbengali=2531;t.llvocalicvowelsigndeva=2403;t.lmiddletilde=619;t.lmonospace=65356;t.lmsquare=13264;t.lochulathai=3628;t.logicaland=8743;t.logicalnot=172;t.logicalnotreversed=8976;t.logicalor=8744;t.lolingthai=3621;t.longs=383;t.lowlinecenterline=65102;t.lowlinecmb=818;t.lowlinedashed=65101;t.lozenge=9674;t.lparen=9383;t.lslash=322;t.lsquare=8467;t.lsuperior=63214;t.ltshade=9617;t.luthai=3622;t.lvocalicbengali=2444;t.lvocalicdeva=2316;t.lvocalicvowelsignbengali=2530;t.lvocalicvowelsigndeva=2402;t.lxsquare=13267;t.m=109;t.mabengali=2478;t.macron=175;t.macronbelowcmb=817;t.macroncmb=772;t.macronlowmod=717;t.macronmonospace=65507;t.macute=7743;t.madeva=2350;t.magujarati=2734;t.magurmukhi=2606;t.mahapakhhebrew=1444;t.mahapakhlefthebrew=1444;t.mahiragana=12414;t.maichattawalowleftthai=63637;t.maichattawalowrightthai=63636;t.maichattawathai=3659;t.maichattawaupperleftthai=63635;t.maieklowleftthai=63628;t.maieklowrightthai=63627;t.maiekthai=3656;t.maiekupperleftthai=63626;t.maihanakatleftthai=63620;t.maihanakatthai=3633;t.maitaikhuleftthai=63625;t.maitaikhuthai=3655;t.maitholowleftthai=63631;t.maitholowrightthai=63630;t.maithothai=3657;t.maithoupperleftthai=63629;t.maitrilowleftthai=63634;t.maitrilowrightthai=63633;t.maitrithai=3658;t.maitriupperleftthai=63632;t.maiyamokthai=3654;t.makatakana=12510;t.makatakanahalfwidth=65423;t.male=9794;t.mansyonsquare=13127;t.maqafhebrew=1470;t.mars=9794;t.masoracirclehebrew=1455;t.masquare=13187;t.mbopomofo=12551;t.mbsquare=13268;t.mcircle=9436;t.mcubedsquare=13221;t.mdotaccent=7745;t.mdotbelow=7747;t.meemarabic=1605;t.meemfinalarabic=65250;t.meeminitialarabic=65251;t.meemmedialarabic=65252;t.meemmeeminitialarabic=64721;t.meemmeemisolatedarabic=64584;t.meetorusquare=13133;t.mehiragana=12417;t.meizierasquare=13182;t.mekatakana=12513;t.mekatakanahalfwidth=65426;t.mem=1502;t.memdagesh=64318;t.memdageshhebrew=64318;t.memhebrew=1502;t.menarmenian=1396;t.merkhahebrew=1445;t.merkhakefulahebrew=1446;t.merkhakefulalefthebrew=1446;t.merkhalefthebrew=1445;t.mhook=625;t.mhzsquare=13202;t.middledotkatakanahalfwidth=65381;t.middot=183;t.mieumacirclekorean=12914;t.mieumaparenkorean=12818;t.mieumcirclekorean=12900;t.mieumkorean=12609;t.mieumpansioskorean=12656;t.mieumparenkorean=12804;t.mieumpieupkorean=12654;t.mieumsioskorean=12655;t.mihiragana=12415;t.mikatakana=12511;t.mikatakanahalfwidth=65424;t.minus=8722;t.minusbelowcmb=800;t.minuscircle=8854;t.minusmod=727;t.minusplus=8723;t.minute=8242;t.miribaarusquare=13130;t.mirisquare=13129;t.mlonglegturned=624;t.mlsquare=13206;t.mmcubedsquare=13219;t.mmonospace=65357;t.mmsquaredsquare=13215;t.mohiragana=12418;t.mohmsquare=13249;t.mokatakana=12514;t.mokatakanahalfwidth=65427;t.molsquare=13270;t.momathai=3617;t.moverssquare=13223;t.moverssquaredsquare=13224;t.mparen=9384;t.mpasquare=13227;t.mssquare=13235;t.msuperior=63215;t.mturned=623;t.mu=181;t.mu1=181;t.muasquare=13186;t.muchgreater=8811;t.muchless=8810;t.mufsquare=13196;t.mugreek=956;t.mugsquare=13197;t.muhiragana=12416;t.mukatakana=12512;t.mukatakanahalfwidth=65425;t.mulsquare=13205;t.multiply=215;t.mumsquare=13211;t.munahhebrew=1443;t.munahlefthebrew=1443;t.musicalnote=9834;t.musicalnotedbl=9835;t.musicflatsign=9837;t.musicsharpsign=9839;t.mussquare=13234;t.muvsquare=13238;t.muwsquare=13244;t.mvmegasquare=13241;t.mvsquare=13239;t.mwmegasquare=13247;t.mwsquare=13245;t.n=110;t.nabengali=2472;t.nabla=8711;t.nacute=324;t.nadeva=2344;t.nagujarati=2728;t.nagurmukhi=2600;t.nahiragana=12394;t.nakatakana=12490;t.nakatakanahalfwidth=65413;t.napostrophe=329;t.nasquare=13185;t.nbopomofo=12555;t.nbspace=160;t.ncaron=328;t.ncedilla=326;t.ncircle=9437;t.ncircumflexbelow=7755;t.ncommaaccent=326;t.ndotaccent=7749;t.ndotbelow=7751;t.nehiragana=12397;t.nekatakana=12493;t.nekatakanahalfwidth=65416;t.newsheqelsign=8362;t.nfsquare=13195;t.ngabengali=2457;t.ngadeva=2329;t.ngagujarati=2713;t.ngagurmukhi=2585;t.ngonguthai=3591;t.nhiragana=12435;t.nhookleft=626;t.nhookretroflex=627;t.nieunacirclekorean=12911;t.nieunaparenkorean=12815;t.nieuncieuckorean=12597;t.nieuncirclekorean=12897;t.nieunhieuhkorean=12598;t.nieunkorean=12596;t.nieunpansioskorean=12648;t.nieunparenkorean=12801;t.nieunsioskorean=12647;t.nieuntikeutkorean=12646;t.nihiragana=12395;t.nikatakana=12491;t.nikatakanahalfwidth=65414;t.nikhahitleftthai=63641;t.nikhahitthai=3661;t.nine=57;t.ninearabic=1641;t.ninebengali=2543;t.ninecircle=9320;t.ninecircleinversesansserif=10130;t.ninedeva=2415;t.ninegujarati=2799;t.ninegurmukhi=2671;t.ninehackarabic=1641;t.ninehangzhou=12329;t.nineideographicparen=12840;t.nineinferior=8329;t.ninemonospace=65305;t.nineoldstyle=63289;t.nineparen=9340;t.nineperiod=9360;t.ninepersian=1785;t.nineroman=8568;t.ninesuperior=8313;t.nineteencircle=9330;t.nineteenparen=9350;t.nineteenperiod=9370;t.ninethai=3673;t.nj=460;t.njecyrillic=1114;t.nkatakana=12531;t.nkatakanahalfwidth=65437;t.nlegrightlong=414;t.nlinebelow=7753;t.nmonospace=65358;t.nmsquare=13210;t.nnabengali=2467;t.nnadeva=2339;t.nnagujarati=2723;t.nnagurmukhi=2595;t.nnnadeva=2345;t.nohiragana=12398;t.nokatakana=12494;t.nokatakanahalfwidth=65417;t.nonbreakingspace=160;t.nonenthai=3603;t.nonuthai=3609;t.noonarabic=1606;t.noonfinalarabic=65254;t.noonghunnaarabic=1722;t.noonghunnafinalarabic=64415;t.nooninitialarabic=65255;t.noonjeeminitialarabic=64722;t.noonjeemisolatedarabic=64587;t.noonmedialarabic=65256;t.noonmeeminitialarabic=64725;t.noonmeemisolatedarabic=64590;t.noonnoonfinalarabic=64653;t.notcontains=8716;t.notelement=8713;t.notelementof=8713;t.notequal=8800;t.notgreater=8815;t.notgreaternorequal=8817;t.notgreaternorless=8825;t.notidentical=8802;t.notless=8814;t.notlessnorequal=8816;t.notparallel=8742;t.notprecedes=8832;t.notsubset=8836;t.notsucceeds=8833;t.notsuperset=8837;t.nowarmenian=1398;t.nparen=9385;t.nssquare=13233;t.nsuperior=8319;t.ntilde=241;t.nu=957;t.nuhiragana=12396;t.nukatakana=12492;t.nukatakanahalfwidth=65415;t.nuktabengali=2492;t.nuktadeva=2364;t.nuktagujarati=2748;t.nuktagurmukhi=2620;t.numbersign=35;t.numbersignmonospace=65283;t.numbersignsmall=65119;t.numeralsigngreek=884;t.numeralsignlowergreek=885;t.numero=8470;t.nun=1504;t.nundagesh=64320;t.nundageshhebrew=64320;t.nunhebrew=1504;t.nvsquare=13237;t.nwsquare=13243;t.nyabengali=2462;t.nyadeva=2334;t.nyagujarati=2718;t.nyagurmukhi=2590;t.o=111;t.oacute=243;t.oangthai=3629;t.obarred=629;t.obarredcyrillic=1257;t.obarreddieresiscyrillic=1259;t.obengali=2451;t.obopomofo=12571;t.obreve=335;t.ocandradeva=2321;t.ocandragujarati=2705;t.ocandravowelsigndeva=2377;t.ocandravowelsigngujarati=2761;t.ocaron=466;t.ocircle=9438;t.ocircumflex=244;t.ocircumflexacute=7889;t.ocircumflexdotbelow=7897;t.ocircumflexgrave=7891;t.ocircumflexhookabove=7893;t.ocircumflextilde=7895;t.ocyrillic=1086;t.odblacute=337;t.odblgrave=525;t.odeva=2323;t.odieresis=246;t.odieresiscyrillic=1255;t.odotbelow=7885;t.oe=339;t.oekorean=12634;t.ogonek=731;t.ogonekcmb=808;t.ograve=242;t.ogujarati=2707;t.oharmenian=1413;t.ohiragana=12362;t.ohookabove=7887;t.ohorn=417;t.ohornacute=7899;t.ohorndotbelow=7907;t.ohorngrave=7901;t.ohornhookabove=7903;t.ohorntilde=7905;t.ohungarumlaut=337;t.oi=419;t.oinvertedbreve=527;t.okatakana=12458;t.okatakanahalfwidth=65397;t.okorean=12631;t.olehebrew=1451;t.omacron=333;t.omacronacute=7763;t.omacrongrave=7761;t.omdeva=2384;t.omega=969;t.omega1=982;t.omegacyrillic=1121;t.omegalatinclosed=631;t.omegaroundcyrillic=1147;t.omegatitlocyrillic=1149;t.omegatonos=974;t.omgujarati=2768;t.omicron=959;t.omicrontonos=972;t.omonospace=65359;t.one=49;t.onearabic=1633;t.onebengali=2535;t.onecircle=9312;t.onecircleinversesansserif=10122;t.onedeva=2407;t.onedotenleader=8228;t.oneeighth=8539;t.onefitted=63196;t.onegujarati=2791;t.onegurmukhi=2663;t.onehackarabic=1633;t.onehalf=189;t.onehangzhou=12321;t.oneideographicparen=12832;t.oneinferior=8321;t.onemonospace=65297;t.onenumeratorbengali=2548;t.oneoldstyle=63281;t.oneparen=9332;t.oneperiod=9352;t.onepersian=1777;t.onequarter=188;t.oneroman=8560;t.onesuperior=185;t.onethai=3665;t.onethird=8531;t.oogonek=491;t.oogonekmacron=493;t.oogurmukhi=2579;t.oomatragurmukhi=2635;t.oopen=596;t.oparen=9386;t.openbullet=9702;t.option=8997;t.ordfeminine=170;t.ordmasculine=186;t.orthogonal=8735;t.oshortdeva=2322;t.oshortvowelsigndeva=2378;t.oslash=248;t.oslashacute=511;t.osmallhiragana=12361;t.osmallkatakana=12457;t.osmallkatakanahalfwidth=65387;t.ostrokeacute=511;t.osuperior=63216;t.otcyrillic=1151;t.otilde=245;t.otildeacute=7757;t.otildedieresis=7759;t.oubopomofo=12577;t.overline=8254;t.overlinecenterline=65098;t.overlinecmb=773;t.overlinedashed=65097;t.overlinedblwavy=65100;t.overlinewavy=65099;t.overscore=175;t.ovowelsignbengali=2507;t.ovowelsigndeva=2379;t.ovowelsigngujarati=2763;t.p=112;t.paampssquare=13184;t.paasentosquare=13099;t.pabengali=2474;t.pacute=7765;t.padeva=2346;t.pagedown=8671;t.pageup=8670;t.pagujarati=2730;t.pagurmukhi=2602;t.pahiragana=12401;t.paiyannoithai=3631;t.pakatakana=12497;t.palatalizationcyrilliccmb=1156;t.palochkacyrillic=1216;t.pansioskorean=12671;t.paragraph=182;t.parallel=8741;t.parenleft=40;t.parenleftaltonearabic=64830;t.parenleftbt=63725;t.parenleftex=63724;t.parenleftinferior=8333;t.parenleftmonospace=65288;t.parenleftsmall=65113;t.parenleftsuperior=8317;t.parenlefttp=63723;t.parenleftvertical=65077;t.parenright=41;t.parenrightaltonearabic=64831;t.parenrightbt=63736;t.parenrightex=63735;t.parenrightinferior=8334;t.parenrightmonospace=65289;t.parenrightsmall=65114;t.parenrightsuperior=8318;t.parenrighttp=63734;t.parenrightvertical=65078;t.partialdiff=8706;t.paseqhebrew=1472;t.pashtahebrew=1433;t.pasquare=13225;t.patah=1463;t.patah11=1463;t.patah1d=1463;t.patah2a=1463;t.patahhebrew=1463;t.patahnarrowhebrew=1463;t.patahquarterhebrew=1463;t.patahwidehebrew=1463;t.pazerhebrew=1441;t.pbopomofo=12550;t.pcircle=9439;t.pdotaccent=7767;t.pe=1508;t.pecyrillic=1087;t.pedagesh=64324;t.pedageshhebrew=64324;t.peezisquare=13115;t.pefinaldageshhebrew=64323;t.peharabic=1662;t.peharmenian=1402;t.pehebrew=1508;t.pehfinalarabic=64343;t.pehinitialarabic=64344;t.pehiragana=12410;t.pehmedialarabic=64345;t.pekatakana=12506;t.pemiddlehookcyrillic=1191;t.perafehebrew=64334;t.percent=37;t.percentarabic=1642;t.percentmonospace=65285;t.percentsmall=65130;t.period=46;t.periodarmenian=1417;t.periodcentered=183;t.periodhalfwidth=65377;t.periodinferior=63207;t.periodmonospace=65294;t.periodsmall=65106;t.periodsuperior=63208;t.perispomenigreekcmb=834;t.perpendicular=8869;t.perthousand=8240;t.peseta=8359;t.pfsquare=13194;t.phabengali=2475;t.phadeva=2347;t.phagujarati=2731;t.phagurmukhi=2603;t.phi=966;t.phi1=981;t.phieuphacirclekorean=12922;t.phieuphaparenkorean=12826;t.phieuphcirclekorean=12908;t.phieuphkorean=12621;t.phieuphparenkorean=12812;t.philatin=632;t.phinthuthai=3642;t.phisymbolgreek=981;t.phook=421;t.phophanthai=3614;t.phophungthai=3612;t.phosamphaothai=3616;t.pi=960;t.pieupacirclekorean=12915;t.pieupaparenkorean=12819;t.pieupcieuckorean=12662;t.pieupcirclekorean=12901;t.pieupkiyeokkorean=12658;t.pieupkorean=12610;t.pieupparenkorean=12805;t.pieupsioskiyeokkorean=12660;t.pieupsioskorean=12612;t.pieupsiostikeutkorean=12661;t.pieupthieuthkorean=12663;t.pieuptikeutkorean=12659;t.pihiragana=12404;t.pikatakana=12500;t.pisymbolgreek=982;t.piwrarmenian=1411;t.plus=43;t.plusbelowcmb=799;t.pluscircle=8853;t.plusminus=177;t.plusmod=726;t.plusmonospace=65291;t.plussmall=65122;t.plussuperior=8314;t.pmonospace=65360;t.pmsquare=13272;t.pohiragana=12413;t.pointingindexdownwhite=9759;t.pointingindexleftwhite=9756;t.pointingindexrightwhite=9758;t.pointingindexupwhite=9757;t.pokatakana=12509;t.poplathai=3611;t.postalmark=12306;t.postalmarkface=12320;t.pparen=9387;t.precedes=8826;t.prescription=8478;t.primemod=697;t.primereversed=8245;t.product=8719;t.projective=8965;t.prolongedkana=12540;t.propellor=8984;t.propersubset=8834;t.propersuperset=8835;t.proportion=8759;t.proportional=8733;t.psi=968;t.psicyrillic=1137;t.psilipneumatacyrilliccmb=1158;t.pssquare=13232;t.puhiragana=12407;t.pukatakana=12503;t.pvsquare=13236;t.pwsquare=13242;t.q=113;t.qadeva=2392;t.qadmahebrew=1448;t.qafarabic=1602;t.qaffinalarabic=65238;t.qafinitialarabic=65239;t.qafmedialarabic=65240;t.qamats=1464;t.qamats10=1464;t.qamats1a=1464;t.qamats1c=1464;t.qamats27=1464;t.qamats29=1464;t.qamats33=1464;t.qamatsde=1464;t.qamatshebrew=1464;t.qamatsnarrowhebrew=1464;t.qamatsqatanhebrew=1464;t.qamatsqatannarrowhebrew=1464;t.qamatsqatanquarterhebrew=1464;t.qamatsqatanwidehebrew=1464;t.qamatsquarterhebrew=1464;t.qamatswidehebrew=1464;t.qarneyparahebrew=1439;t.qbopomofo=12561;t.qcircle=9440;t.qhook=672;t.qmonospace=65361;t.qof=1511;t.qofdagesh=64327;t.qofdageshhebrew=64327;t.qofhebrew=1511;t.qparen=9388;t.quarternote=9833;t.qubuts=1467;t.qubuts18=1467;t.qubuts25=1467;t.qubuts31=1467;t.qubutshebrew=1467;t.qubutsnarrowhebrew=1467;t.qubutsquarterhebrew=1467;t.qubutswidehebrew=1467;t.question=63;t.questionarabic=1567;t.questionarmenian=1374;t.questiondown=191;t.questiondownsmall=63423;t.questiongreek=894;t.questionmonospace=65311;t.questionsmall=63295;t.quotedbl=34;t.quotedblbase=8222;t.quotedblleft=8220;t.quotedblmonospace=65282;t.quotedblprime=12318;t.quotedblprimereversed=12317;t.quotedblright=8221;t.quoteleft=8216;t.quoteleftreversed=8219;t.quotereversed=8219;t.quoteright=8217;t.quoterightn=329;t.quotesinglbase=8218;t.quotesingle=39;t.quotesinglemonospace=65287;t.r=114;t.raarmenian=1404;t.rabengali=2480;t.racute=341;t.radeva=2352;t.radical=8730;t.radicalex=63717;t.radoverssquare=13230;t.radoverssquaredsquare=13231;t.radsquare=13229;t.rafe=1471;t.rafehebrew=1471;t.ragujarati=2736;t.ragurmukhi=2608;t.rahiragana=12425;t.rakatakana=12521;t.rakatakanahalfwidth=65431;t.ralowerdiagonalbengali=2545;t.ramiddlediagonalbengali=2544;t.ramshorn=612;t.ratio=8758;t.rbopomofo=12566;t.rcaron=345;t.rcedilla=343;t.rcircle=9441;t.rcommaaccent=343;t.rdblgrave=529;t.rdotaccent=7769;t.rdotbelow=7771;t.rdotbelowmacron=7773;t.referencemark=8251;t.reflexsubset=8838;t.reflexsuperset=8839;t.registered=174;t.registersans=63720;t.registerserif=63194;t.reharabic=1585;t.reharmenian=1408;t.rehfinalarabic=65198;t.rehiragana=12428;t.rekatakana=12524;t.rekatakanahalfwidth=65434;t.resh=1512;t.reshdageshhebrew=64328;t.reshhebrew=1512;t.reversedtilde=8765;t.reviahebrew=1431;t.reviamugrashhebrew=1431;t.revlogicalnot=8976;t.rfishhook=638;t.rfishhookreversed=639;t.rhabengali=2525;t.rhadeva=2397;t.rho=961;t.rhook=637;t.rhookturned=635;t.rhookturnedsuperior=693;t.rhosymbolgreek=1009;t.rhotichookmod=734;t.rieulacirclekorean=12913;t.rieulaparenkorean=12817;t.rieulcirclekorean=12899;t.rieulhieuhkorean=12608;t.rieulkiyeokkorean=12602;t.rieulkiyeoksioskorean=12649;t.rieulkorean=12601;t.rieulmieumkorean=12603;t.rieulpansioskorean=12652;t.rieulparenkorean=12803;t.rieulphieuphkorean=12607;t.rieulpieupkorean=12604;t.rieulpieupsioskorean=12651;t.rieulsioskorean=12605;t.rieulthieuthkorean=12606;t.rieultikeutkorean=12650;t.rieulyeorinhieuhkorean=12653;t.rightangle=8735;t.righttackbelowcmb=793;t.righttriangle=8895;t.rihiragana=12426;t.rikatakana=12522;t.rikatakanahalfwidth=65432;t.ring=730;t.ringbelowcmb=805;t.ringcmb=778;t.ringhalfleft=703;t.ringhalfleftarmenian=1369;t.ringhalfleftbelowcmb=796;t.ringhalfleftcentered=723;t.ringhalfright=702;t.ringhalfrightbelowcmb=825;t.ringhalfrightcentered=722;t.rinvertedbreve=531;t.rittorusquare=13137;t.rlinebelow=7775;t.rlongleg=636;t.rlonglegturned=634;t.rmonospace=65362;t.rohiragana=12429;t.rokatakana=12525;t.rokatakanahalfwidth=65435;t.roruathai=3619;t.rparen=9389;t.rrabengali=2524;t.rradeva=2353;t.rragurmukhi=2652;t.rreharabic=1681;t.rrehfinalarabic=64397;t.rrvocalicbengali=2528;t.rrvocalicdeva=2400;t.rrvocalicgujarati=2784;t.rrvocalicvowelsignbengali=2500;t.rrvocalicvowelsigndeva=2372;t.rrvocalicvowelsigngujarati=2756;t.rsuperior=63217;t.rtblock=9616;t.rturned=633;t.rturnedsuperior=692;t.ruhiragana=12427;t.rukatakana=12523;t.rukatakanahalfwidth=65433;t.rupeemarkbengali=2546;t.rupeesignbengali=2547;t.rupiah=63197;t.ruthai=3620;t.rvocalicbengali=2443;t.rvocalicdeva=2315;t.rvocalicgujarati=2699;t.rvocalicvowelsignbengali=2499;t.rvocalicvowelsigndeva=2371;t.rvocalicvowelsigngujarati=2755;t.s=115;t.sabengali=2488;t.sacute=347;t.sacutedotaccent=7781;t.sadarabic=1589;t.sadeva=2360;t.sadfinalarabic=65210;t.sadinitialarabic=65211;t.sadmedialarabic=65212;t.sagujarati=2744;t.sagurmukhi=2616;t.sahiragana=12373;t.sakatakana=12469;t.sakatakanahalfwidth=65403;t.sallallahoualayhewasallamarabic=65018;t.samekh=1505;t.samekhdagesh=64321;t.samekhdageshhebrew=64321;t.samekhhebrew=1505;t.saraaathai=3634;t.saraaethai=3649;t.saraaimaimalaithai=3652;t.saraaimaimuanthai=3651;t.saraamthai=3635;t.saraathai=3632;t.saraethai=3648;t.saraiileftthai=63622;t.saraiithai=3637;t.saraileftthai=63621;t.saraithai=3636;t.saraothai=3650;t.saraueeleftthai=63624;t.saraueethai=3639;t.saraueleftthai=63623;t.sarauethai=3638;t.sarauthai=3640;t.sarauuthai=3641;t.sbopomofo=12569;t.scaron=353;t.scarondotaccent=7783;t.scedilla=351;t.schwa=601;t.schwacyrillic=1241;t.schwadieresiscyrillic=1243;t.schwahook=602;t.scircle=9442;t.scircumflex=349;t.scommaaccent=537;t.sdotaccent=7777;t.sdotbelow=7779;t.sdotbelowdotaccent=7785;t.seagullbelowcmb=828;t.second=8243;t.secondtonechinese=714;t.section=167;t.seenarabic=1587;t.seenfinalarabic=65202;t.seeninitialarabic=65203;t.seenmedialarabic=65204;t.segol=1462;t.segol13=1462;t.segol1f=1462;t.segol2c=1462;t.segolhebrew=1462;t.segolnarrowhebrew=1462;t.segolquarterhebrew=1462;t.segoltahebrew=1426;t.segolwidehebrew=1462;t.seharmenian=1405;t.sehiragana=12379;t.sekatakana=12475;t.sekatakanahalfwidth=65406;t.semicolon=59;t.semicolonarabic=1563;t.semicolonmonospace=65307;t.semicolonsmall=65108;t.semivoicedmarkkana=12444;t.semivoicedmarkkanahalfwidth=65439;t.sentisquare=13090;t.sentosquare=13091;t.seven=55;t.sevenarabic=1639;t.sevenbengali=2541;t.sevencircle=9318;t.sevencircleinversesansserif=10128;t.sevendeva=2413;t.seveneighths=8542;t.sevengujarati=2797;t.sevengurmukhi=2669;t.sevenhackarabic=1639;t.sevenhangzhou=12327;t.sevenideographicparen=12838;t.seveninferior=8327;t.sevenmonospace=65303;t.sevenoldstyle=63287;t.sevenparen=9338;t.sevenperiod=9358;t.sevenpersian=1783;t.sevenroman=8566;t.sevensuperior=8311;t.seventeencircle=9328;t.seventeenparen=9348;t.seventeenperiod=9368;t.seventhai=3671;t.sfthyphen=173;t.shaarmenian=1399;t.shabengali=2486;t.shacyrillic=1096;t.shaddaarabic=1617;t.shaddadammaarabic=64609;t.shaddadammatanarabic=64606;t.shaddafathaarabic=64608;t.shaddakasraarabic=64610;t.shaddakasratanarabic=64607;t.shade=9618;t.shadedark=9619;t.shadelight=9617;t.shademedium=9618;t.shadeva=2358;t.shagujarati=2742;t.shagurmukhi=2614;t.shalshelethebrew=1427;t.shbopomofo=12565;t.shchacyrillic=1097;t.sheenarabic=1588;t.sheenfinalarabic=65206;t.sheeninitialarabic=65207;t.sheenmedialarabic=65208;t.sheicoptic=995;t.sheqel=8362;t.sheqelhebrew=8362;t.sheva=1456;t.sheva115=1456;t.sheva15=1456;t.sheva22=1456;t.sheva2e=1456;t.shevahebrew=1456;t.shevanarrowhebrew=1456;t.shevaquarterhebrew=1456;t.shevawidehebrew=1456;t.shhacyrillic=1211;t.shimacoptic=1005;t.shin=1513;t.shindagesh=64329;t.shindageshhebrew=64329;t.shindageshshindot=64300;t.shindageshshindothebrew=64300;t.shindageshsindot=64301;t.shindageshsindothebrew=64301;t.shindothebrew=1473;t.shinhebrew=1513;t.shinshindot=64298;t.shinshindothebrew=64298;t.shinsindot=64299;t.shinsindothebrew=64299;t.shook=642;t.sigma=963;t.sigma1=962;t.sigmafinal=962;t.sigmalunatesymbolgreek=1010;t.sihiragana=12375;t.sikatakana=12471;t.sikatakanahalfwidth=65404;t.siluqhebrew=1469;t.siluqlefthebrew=1469;t.similar=8764;t.sindothebrew=1474;t.siosacirclekorean=12916;t.siosaparenkorean=12820;t.sioscieuckorean=12670;t.sioscirclekorean=12902;t.sioskiyeokkorean=12666;t.sioskorean=12613;t.siosnieunkorean=12667;t.siosparenkorean=12806;t.siospieupkorean=12669;t.siostikeutkorean=12668;t.six=54;t.sixarabic=1638;t.sixbengali=2540;t.sixcircle=9317;t.sixcircleinversesansserif=10127;t.sixdeva=2412;t.sixgujarati=2796;t.sixgurmukhi=2668;t.sixhackarabic=1638;t.sixhangzhou=12326;t.sixideographicparen=12837;t.sixinferior=8326;t.sixmonospace=65302;t.sixoldstyle=63286;t.sixparen=9337;t.sixperiod=9357;t.sixpersian=1782;t.sixroman=8565;t.sixsuperior=8310;t.sixteencircle=9327;t.sixteencurrencydenominatorbengali=2553;t.sixteenparen=9347;t.sixteenperiod=9367;t.sixthai=3670;t.slash=47;t.slashmonospace=65295;t.slong=383;t.slongdotaccent=7835;t.smileface=9786;t.smonospace=65363;t.sofpasuqhebrew=1475;t.softhyphen=173;t.softsigncyrillic=1100;t.sohiragana=12381;t.sokatakana=12477;t.sokatakanahalfwidth=65407;t.soliduslongoverlaycmb=824;t.solidusshortoverlaycmb=823;t.sorusithai=3625;t.sosalathai=3624;t.sosothai=3595;t.sosuathai=3626;t.space=32;t.spacehackarabic=32;t.spade=9824;t.spadesuitblack=9824;t.spadesuitwhite=9828;t.sparen=9390;t.squarebelowcmb=827;t.squarecc=13252;t.squarecm=13213;t.squarediagonalcrosshatchfill=9641;t.squarehorizontalfill=9636;t.squarekg=13199;t.squarekm=13214;t.squarekmcapital=13262;t.squareln=13265;t.squarelog=13266;t.squaremg=13198;t.squaremil=13269;t.squaremm=13212;t.squaremsquared=13217;t.squareorthogonalcrosshatchfill=9638;t.squareupperlefttolowerrightfill=9639;t.squareupperrighttolowerleftfill=9640;t.squareverticalfill=9637;t.squarewhitewithsmallblack=9635;t.srsquare=13275;t.ssabengali=2487;t.ssadeva=2359;t.ssagujarati=2743;t.ssangcieuckorean=12617;t.ssanghieuhkorean=12677;t.ssangieungkorean=12672;t.ssangkiyeokkorean=12594;t.ssangnieunkorean=12645;t.ssangpieupkorean=12611;t.ssangsioskorean=12614;t.ssangtikeutkorean=12600;t.ssuperior=63218;t.sterling=163;t.sterlingmonospace=65505;t.strokelongoverlaycmb=822;t.strokeshortoverlaycmb=821;t.subset=8834;t.subsetnotequal=8842;t.subsetorequal=8838;t.succeeds=8827;t.suchthat=8715;t.suhiragana=12377;t.sukatakana=12473;t.sukatakanahalfwidth=65405;t.sukunarabic=1618;t.summation=8721;t.sun=9788;t.superset=8835;t.supersetnotequal=8843;t.supersetorequal=8839;t.svsquare=13276;t.syouwaerasquare=13180;t.t=116;t.tabengali=2468;t.tackdown=8868;t.tackleft=8867;t.tadeva=2340;t.tagujarati=2724;t.tagurmukhi=2596;t.taharabic=1591;t.tahfinalarabic=65218;t.tahinitialarabic=65219;t.tahiragana=12383;t.tahmedialarabic=65220;t.taisyouerasquare=13181;t.takatakana=12479;t.takatakanahalfwidth=65408;t.tatweelarabic=1600;t.tau=964;t.tav=1514;t.tavdages=64330;t.tavdagesh=64330;t.tavdageshhebrew=64330;t.tavhebrew=1514;t.tbar=359;t.tbopomofo=12554;t.tcaron=357;t.tccurl=680;t.tcedilla=355;t.tcheharabic=1670;t.tchehfinalarabic=64379;t.tchehinitialarabic=64380;t.tchehmedialarabic=64381;t.tcircle=9443;t.tcircumflexbelow=7793;t.tcommaaccent=355;t.tdieresis=7831;t.tdotaccent=7787;t.tdotbelow=7789;t.tecyrillic=1090;t.tedescendercyrillic=1197;t.teharabic=1578;t.tehfinalarabic=65174;t.tehhahinitialarabic=64674;t.tehhahisolatedarabic=64524;t.tehinitialarabic=65175;t.tehiragana=12390;t.tehjeeminitialarabic=64673;t.tehjeemisolatedarabic=64523;t.tehmarbutaarabic=1577;t.tehmarbutafinalarabic=65172;t.tehmedialarabic=65176;t.tehmeeminitialarabic=64676;t.tehmeemisolatedarabic=64526;t.tehnoonfinalarabic=64627;t.tekatakana=12486;t.tekatakanahalfwidth=65411;t.telephone=8481;t.telephoneblack=9742;t.telishagedolahebrew=1440;t.telishaqetanahebrew=1449;t.tencircle=9321;t.tenideographicparen=12841;t.tenparen=9341;t.tenperiod=9361;t.tenroman=8569;t.tesh=679;t.tet=1496;t.tetdagesh=64312;t.tetdageshhebrew=64312;t.tethebrew=1496;t.tetsecyrillic=1205;t.tevirhebrew=1435;t.tevirlefthebrew=1435;t.thabengali=2469;t.thadeva=2341;t.thagujarati=2725;t.thagurmukhi=2597;t.thalarabic=1584;t.thalfinalarabic=65196;t.thanthakhatlowleftthai=63640;t.thanthakhatlowrightthai=63639;t.thanthakhatthai=3660;t.thanthakhatupperleftthai=63638;t.theharabic=1579;t.thehfinalarabic=65178;t.thehinitialarabic=65179;t.thehmedialarabic=65180;t.thereexists=8707;t.therefore=8756;t.theta=952;t.theta1=977;t.thetasymbolgreek=977;t.thieuthacirclekorean=12921;t.thieuthaparenkorean=12825;t.thieuthcirclekorean=12907;t.thieuthkorean=12620;t.thieuthparenkorean=12811;t.thirteencircle=9324;t.thirteenparen=9344;t.thirteenperiod=9364;t.thonangmonthothai=3601;t.thook=429;t.thophuthaothai=3602;t.thorn=254;t.thothahanthai=3607;t.thothanthai=3600;t.thothongthai=3608;t.thothungthai=3606;t.thousandcyrillic=1154;t.thousandsseparatorarabic=1644;t.thousandsseparatorpersian=1644;t.three=51;t.threearabic=1635;t.threebengali=2537;t.threecircle=9314;t.threecircleinversesansserif=10124;t.threedeva=2409;t.threeeighths=8540;t.threegujarati=2793;t.threegurmukhi=2665;t.threehackarabic=1635;t.threehangzhou=12323;t.threeideographicparen=12834;t.threeinferior=8323;t.threemonospace=65299;t.threenumeratorbengali=2550;t.threeoldstyle=63283;t.threeparen=9334;t.threeperiod=9354;t.threepersian=1779;t.threequarters=190;t.threequartersemdash=63198;t.threeroman=8562;t.threesuperior=179;t.threethai=3667;t.thzsquare=13204;t.tihiragana=12385;t.tikatakana=12481;t.tikatakanahalfwidth=65409;t.tikeutacirclekorean=12912;t.tikeutaparenkorean=12816;t.tikeutcirclekorean=12898;t.tikeutkorean=12599;t.tikeutparenkorean=12802;t.tilde=732;t.tildebelowcmb=816;t.tildecmb=771;t.tildecomb=771;t.tildedoublecmb=864;t.tildeoperator=8764;t.tildeoverlaycmb=820;t.tildeverticalcmb=830;t.timescircle=8855;t.tipehahebrew=1430;t.tipehalefthebrew=1430;t.tippigurmukhi=2672;t.titlocyrilliccmb=1155;t.tiwnarmenian=1407;t.tlinebelow=7791;t.tmonospace=65364;t.toarmenian=1385;t.tohiragana=12392;t.tokatakana=12488;t.tokatakanahalfwidth=65412;t.tonebarextrahighmod=741;t.tonebarextralowmod=745;t.tonebarhighmod=742;t.tonebarlowmod=744;t.tonebarmidmod=743;t.tonefive=445;t.tonesix=389;t.tonetwo=424;t.tonos=900;t.tonsquare=13095;t.topatakthai=3599;t.tortoiseshellbracketleft=12308;t.tortoiseshellbracketleftsmall=65117;t.tortoiseshellbracketleftvertical=65081;t.tortoiseshellbracketright=12309;t.tortoiseshellbracketrightsmall=65118;t.tortoiseshellbracketrightvertical=65082;t.totaothai=3605;t.tpalatalhook=427;t.tparen=9391;t.trademark=8482;t.trademarksans=63722;t.trademarkserif=63195;t.tretroflexhook=648;t.triagdn=9660;t.triaglf=9668;t.triagrt=9658;t.triagup=9650;t.ts=678;t.tsadi=1510;t.tsadidagesh=64326;t.tsadidageshhebrew=64326;t.tsadihebrew=1510;t.tsecyrillic=1094;t.tsere=1461;t.tsere12=1461;t.tsere1e=1461;t.tsere2b=1461;t.tserehebrew=1461;t.tserenarrowhebrew=1461;t.tserequarterhebrew=1461;t.tserewidehebrew=1461;t.tshecyrillic=1115;t.tsuperior=63219;t.ttabengali=2463;t.ttadeva=2335;t.ttagujarati=2719;t.ttagurmukhi=2591;t.tteharabic=1657;t.ttehfinalarabic=64359;t.ttehinitialarabic=64360;t.ttehmedialarabic=64361;t.tthabengali=2464;t.tthadeva=2336;t.tthagujarati=2720;t.tthagurmukhi=2592;t.tturned=647;t.tuhiragana=12388;t.tukatakana=12484;t.tukatakanahalfwidth=65410;t.tusmallhiragana=12387;t.tusmallkatakana=12483;t.tusmallkatakanahalfwidth=65391;t.twelvecircle=9323;t.twelveparen=9343;t.twelveperiod=9363;t.twelveroman=8571;t.twentycircle=9331;t.twentyhangzhou=21316;t.twentyparen=9351;t.twentyperiod=9371;t.two=50;t.twoarabic=1634;t.twobengali=2536;t.twocircle=9313;t.twocircleinversesansserif=10123;t.twodeva=2408;t.twodotenleader=8229;t.twodotleader=8229;t.twodotleadervertical=65072;t.twogujarati=2792;t.twogurmukhi=2664;t.twohackarabic=1634;t.twohangzhou=12322;t.twoideographicparen=12833;t.twoinferior=8322;t.twomonospace=65298;t.twonumeratorbengali=2549;t.twooldstyle=63282;t.twoparen=9333;t.twoperiod=9353;t.twopersian=1778;t.tworoman=8561;t.twostroke=443;t.twosuperior=178;t.twothai=3666;t.twothirds=8532;t.u=117;t.uacute=250;t.ubar=649;t.ubengali=2441;t.ubopomofo=12584;t.ubreve=365;t.ucaron=468;t.ucircle=9444;t.ucircumflex=251;t.ucircumflexbelow=7799;t.ucyrillic=1091;t.udattadeva=2385;t.udblacute=369;t.udblgrave=533;t.udeva=2313;t.udieresis=252;t.udieresisacute=472;t.udieresisbelow=7795;t.udieresiscaron=474;t.udieresiscyrillic=1265;t.udieresisgrave=476;t.udieresismacron=470;t.udotbelow=7909;t.ugrave=249;t.ugujarati=2697;t.ugurmukhi=2569;t.uhiragana=12358;t.uhookabove=7911;t.uhorn=432;t.uhornacute=7913;t.uhorndotbelow=7921;t.uhorngrave=7915;t.uhornhookabove=7917;t.uhorntilde=7919;t.uhungarumlaut=369;t.uhungarumlautcyrillic=1267;t.uinvertedbreve=535;t.ukatakana=12454;t.ukatakanahalfwidth=65395;t.ukcyrillic=1145;t.ukorean=12636;t.umacron=363;t.umacroncyrillic=1263;t.umacrondieresis=7803;t.umatragurmukhi=2625;t.umonospace=65365;t.underscore=95;t.underscoredbl=8215;t.underscoremonospace=65343;t.underscorevertical=65075;t.underscorewavy=65103;t.union=8746;t.universal=8704;t.uogonek=371;t.uparen=9392;t.upblock=9600;t.upperdothebrew=1476;t.upsilon=965;t.upsilondieresis=971;t.upsilondieresistonos=944;t.upsilonlatin=650;t.upsilontonos=973;t.uptackbelowcmb=797;t.uptackmod=724;t.uragurmukhi=2675;t.uring=367;t.ushortcyrillic=1118;t.usmallhiragana=12357;t.usmallkatakana=12453;t.usmallkatakanahalfwidth=65385;t.ustraightcyrillic=1199;t.ustraightstrokecyrillic=1201;t.utilde=361;t.utildeacute=7801;t.utildebelow=7797;t.uubengali=2442;t.uudeva=2314;t.uugujarati=2698;t.uugurmukhi=2570;t.uumatragurmukhi=2626;t.uuvowelsignbengali=2498;t.uuvowelsigndeva=2370;t.uuvowelsigngujarati=2754;t.uvowelsignbengali=2497;t.uvowelsigndeva=2369;t.uvowelsigngujarati=2753;t.v=118;t.vadeva=2357;t.vagujarati=2741;t.vagurmukhi=2613;t.vakatakana=12535;t.vav=1493;t.vavdagesh=64309;t.vavdagesh65=64309;t.vavdageshhebrew=64309;t.vavhebrew=1493;t.vavholam=64331;t.vavholamhebrew=64331;t.vavvavhebrew=1520;t.vavyodhebrew=1521;t.vcircle=9445;t.vdotbelow=7807;t.vecyrillic=1074;t.veharabic=1700;t.vehfinalarabic=64363;t.vehinitialarabic=64364;t.vehmedialarabic=64365;t.vekatakana=12537;t.venus=9792;t.verticalbar=124;t.verticallineabovecmb=781;t.verticallinebelowcmb=809;t.verticallinelowmod=716;t.verticallinemod=712;t.vewarmenian=1406;t.vhook=651;t.vikatakana=12536;t.viramabengali=2509;t.viramadeva=2381;t.viramagujarati=2765;t.visargabengali=2435;t.visargadeva=2307;t.visargagujarati=2691;t.vmonospace=65366;t.voarmenian=1400;t.voicediterationhiragana=12446;t.voicediterationkatakana=12542;t.voicedmarkkana=12443;t.voicedmarkkanahalfwidth=65438;t.vokatakana=12538;t.vparen=9393;t.vtilde=7805;t.vturned=652;t.vuhiragana=12436;t.vukatakana=12532;t.w=119;t.wacute=7811;t.waekorean=12633;t.wahiragana=12431;t.wakatakana=12527;t.wakatakanahalfwidth=65436;t.wakorean=12632;t.wasmallhiragana=12430;t.wasmallkatakana=12526;t.wattosquare=13143;t.wavedash=12316;t.wavyunderscorevertical=65076;t.wawarabic=1608;t.wawfinalarabic=65262;t.wawhamzaabovearabic=1572;t.wawhamzaabovefinalarabic=65158;t.wbsquare=13277;t.wcircle=9446;t.wcircumflex=373;t.wdieresis=7813;t.wdotaccent=7815;t.wdotbelow=7817;t.wehiragana=12433;t.weierstrass=8472;t.wekatakana=12529;t.wekorean=12638;t.weokorean=12637;t.wgrave=7809;t.whitebullet=9702;t.whitecircle=9675;t.whitecircleinverse=9689;t.whitecornerbracketleft=12302;t.whitecornerbracketleftvertical=65091;t.whitecornerbracketright=12303;t.whitecornerbracketrightvertical=65092;t.whitediamond=9671;t.whitediamondcontainingblacksmalldiamond=9672;t.whitedownpointingsmalltriangle=9663;t.whitedownpointingtriangle=9661;t.whiteleftpointingsmalltriangle=9667;t.whiteleftpointingtriangle=9665;t.whitelenticularbracketleft=12310;t.whitelenticularbracketright=12311;t.whiterightpointingsmalltriangle=9657;t.whiterightpointingtriangle=9655;t.whitesmallsquare=9643;t.whitesmilingface=9786;t.whitesquare=9633;t.whitestar=9734;t.whitetelephone=9743;t.whitetortoiseshellbracketleft=12312;t.whitetortoiseshellbracketright=12313;t.whiteuppointingsmalltriangle=9653;t.whiteuppointingtriangle=9651;t.wihiragana=12432;t.wikatakana=12528;t.wikorean=12639;t.wmonospace=65367;t.wohiragana=12434;t.wokatakana=12530;t.wokatakanahalfwidth=65382;t.won=8361;t.wonmonospace=65510;t.wowaenthai=3623;t.wparen=9394;t.wring=7832;t.wsuperior=695;t.wturned=653;t.wynn=447;t.x=120;t.xabovecmb=829;t.xbopomofo=12562;t.xcircle=9447;t.xdieresis=7821;t.xdotaccent=7819;t.xeharmenian=1389;t.xi=958;t.xmonospace=65368;t.xparen=9395;t.xsuperior=739;t.y=121;t.yaadosquare=13134;t.yabengali=2479;t.yacute=253;t.yadeva=2351;t.yaekorean=12626;t.yagujarati=2735;t.yagurmukhi=2607;t.yahiragana=12420;t.yakatakana=12516;t.yakatakanahalfwidth=65428;t.yakorean=12625;t.yamakkanthai=3662;t.yasmallhiragana=12419;t.yasmallkatakana=12515;t.yasmallkatakanahalfwidth=65388;t.yatcyrillic=1123;t.ycircle=9448;t.ycircumflex=375;t.ydieresis=255;t.ydotaccent=7823;t.ydotbelow=7925;t.yeharabic=1610;t.yehbarreearabic=1746;t.yehbarreefinalarabic=64431;t.yehfinalarabic=65266;t.yehhamzaabovearabic=1574;t.yehhamzaabovefinalarabic=65162;t.yehhamzaaboveinitialarabic=65163;t.yehhamzaabovemedialarabic=65164;t.yehinitialarabic=65267;t.yehmedialarabic=65268;t.yehmeeminitialarabic=64733;t.yehmeemisolatedarabic=64600;t.yehnoonfinalarabic=64660;t.yehthreedotsbelowarabic=1745;t.yekorean=12630;t.yen=165;t.yenmonospace=65509;t.yeokorean=12629;t.yeorinhieuhkorean=12678;t.yerahbenyomohebrew=1450;t.yerahbenyomolefthebrew=1450;t.yericyrillic=1099;t.yerudieresiscyrillic=1273;t.yesieungkorean=12673;t.yesieungpansioskorean=12675;t.yesieungsioskorean=12674;t.yetivhebrew=1434;t.ygrave=7923;t.yhook=436;t.yhookabove=7927;t.yiarmenian=1397;t.yicyrillic=1111;t.yikorean=12642;t.yinyang=9775;t.yiwnarmenian=1410;t.ymonospace=65369;t.yod=1497;t.yoddagesh=64313;t.yoddageshhebrew=64313;t.yodhebrew=1497;t.yodyodhebrew=1522;t.yodyodpatahhebrew=64287;t.yohiragana=12424;t.yoikorean=12681;t.yokatakana=12520;t.yokatakanahalfwidth=65430;t.yokorean=12635;t.yosmallhiragana=12423;t.yosmallkatakana=12519;t.yosmallkatakanahalfwidth=65390;t.yotgreek=1011;t.yoyaekorean=12680;t.yoyakorean=12679;t.yoyakthai=3618;t.yoyingthai=3597;t.yparen=9396;t.ypogegrammeni=890;t.ypogegrammenigreekcmb=837;t.yr=422;t.yring=7833;t.ysuperior=696;t.ytilde=7929;t.yturned=654;t.yuhiragana=12422;t.yuikorean=12684;t.yukatakana=12518;t.yukatakanahalfwidth=65429;t.yukorean=12640;t.yusbigcyrillic=1131;t.yusbigiotifiedcyrillic=1133;t.yuslittlecyrillic=1127;t.yuslittleiotifiedcyrillic=1129;t.yusmallhiragana=12421;t.yusmallkatakana=12517;t.yusmallkatakanahalfwidth=65389;t.yuyekorean=12683;t.yuyeokorean=12682;t.yyabengali=2527;t.yyadeva=2399;t.z=122;t.zaarmenian=1382;t.zacute=378;t.zadeva=2395;t.zagurmukhi=2651;t.zaharabic=1592;t.zahfinalarabic=65222;t.zahinitialarabic=65223;t.zahiragana=12374;t.zahmedialarabic=65224;t.zainarabic=1586;t.zainfinalarabic=65200;t.zakatakana=12470;t.zaqefgadolhebrew=1429;t.zaqefqatanhebrew=1428;t.zarqahebrew=1432;t.zayin=1494;t.zayindagesh=64310;t.zayindageshhebrew=64310;t.zayinhebrew=1494;t.zbopomofo=12567;t.zcaron=382;t.zcircle=9449;t.zcircumflex=7825;t.zcurl=657;t.zdot=380;t.zdotaccent=380;t.zdotbelow=7827;t.zecyrillic=1079;t.zedescendercyrillic=1177;t.zedieresiscyrillic=1247;t.zehiragana=12380;t.zekatakana=12476;t.zero=48;t.zeroarabic=1632;t.zerobengali=2534;t.zerodeva=2406;t.zerogujarati=2790;t.zerogurmukhi=2662;t.zerohackarabic=1632;t.zeroinferior=8320;t.zeromonospace=65296;t.zerooldstyle=63280;t.zeropersian=1776;t.zerosuperior=8304;t.zerothai=3664;t.zerowidthjoiner=65279;t.zerowidthnonjoiner=8204;t.zerowidthspace=8203;t.zeta=950;t.zhbopomofo=12563;t.zhearmenian=1386;t.zhebrevecyrillic=1218;t.zhecyrillic=1078;t.zhedescendercyrillic=1175;t.zhedieresiscyrillic=1245;t.zihiragana=12376;t.zikatakana=12472;t.zinorhebrew=1454;t.zlinebelow=7829;t.zmonospace=65370;t.zohiragana=12382;t.zokatakana=12478;t.zparen=9397;t.zretroflexhook=656;t.zstroke=438;t.zuhiragana=12378;t.zukatakana=12474;t[".notdef"]=0;t.angbracketleftbig=9001;t.angbracketleftBig=9001;t.angbracketleftbigg=9001;t.angbracketleftBigg=9001;t.angbracketrightBig=9002;t.angbracketrightbig=9002;t.angbracketrightBigg=9002;t.angbracketrightbigg=9002;t.arrowhookleft=8618;t.arrowhookright=8617;t.arrowlefttophalf=8636;t.arrowleftbothalf=8637;t.arrownortheast=8599;t.arrownorthwest=8598;t.arrowrighttophalf=8640;t.arrowrightbothalf=8641;t.arrowsoutheast=8600;t.arrowsouthwest=8601;t.backslashbig=8726;t.backslashBig=8726;t.backslashBigg=8726;t.backslashbigg=8726;t.bardbl=8214;t.bracehtipdownleft=65079;t.bracehtipdownright=65079;t.bracehtipupleft=65080;t.bracehtipupright=65080;t.braceleftBig=123;t.braceleftbig=123;t.braceleftbigg=123;t.braceleftBigg=123;t.bracerightBig=125;t.bracerightbig=125;t.bracerightbigg=125;t.bracerightBigg=125;t.bracketleftbig=91;t.bracketleftBig=91;t.bracketleftbigg=91;t.bracketleftBigg=91;t.bracketrightBig=93;t.bracketrightbig=93;t.bracketrightbigg=93;t.bracketrightBigg=93;t.ceilingleftbig=8968;t.ceilingleftBig=8968;t.ceilingleftBigg=8968;t.ceilingleftbigg=8968;t.ceilingrightbig=8969;t.ceilingrightBig=8969;t.ceilingrightbigg=8969;t.ceilingrightBigg=8969;t.circledotdisplay=8857;t.circledottext=8857;t.circlemultiplydisplay=8855;t.circlemultiplytext=8855;t.circleplusdisplay=8853;t.circleplustext=8853;t.contintegraldisplay=8750;t.contintegraltext=8750;t.coproductdisplay=8720;t.coproducttext=8720;t.floorleftBig=8970;t.floorleftbig=8970;t.floorleftbigg=8970;t.floorleftBigg=8970;t.floorrightbig=8971;t.floorrightBig=8971;t.floorrightBigg=8971;t.floorrightbigg=8971;t.hatwide=770;t.hatwider=770;t.hatwidest=770;t.intercal=7488;t.integraldisplay=8747;t.integraltext=8747;t.intersectiondisplay=8898;t.intersectiontext=8898;t.logicalanddisplay=8743;t.logicalandtext=8743;t.logicalordisplay=8744;t.logicalortext=8744;t.parenleftBig=40;t.parenleftbig=40;t.parenleftBigg=40;t.parenleftbigg=40;t.parenrightBig=41;t.parenrightbig=41;t.parenrightBigg=41;t.parenrightbigg=41;t.prime=8242;t.productdisplay=8719;t.producttext=8719;t.radicalbig=8730;t.radicalBig=8730;t.radicalBigg=8730;t.radicalbigg=8730;t.radicalbt=8730;t.radicaltp=8730;t.radicalvertex=8730;t.slashbig=47;t.slashBig=47;t.slashBigg=47;t.slashbigg=47;t.summationdisplay=8721;t.summationtext=8721;t.tildewide=732;t.tildewider=732;t.tildewidest=732;t.uniondisplay=8899;t.unionmultidisplay=8846;t.unionmultitext=8846;t.unionsqdisplay=8852;t.unionsqtext=8852;t.uniontext=8899;t.vextenddouble=8741;t.vextendsingle=8739})),c=i((function(t){t.space=32;t.a1=9985;t.a2=9986;t.a202=9987;t.a3=9988;t.a4=9742;t.a5=9990;t.a119=9991;t.a118=9992;t.a117=9993;t.a11=9755;t.a12=9758;t.a13=9996;t.a14=9997;t.a15=9998;t.a16=9999;t.a105=1e4;t.a17=10001;t.a18=10002;t.a19=10003;t.a20=10004;t.a21=10005;t.a22=10006;t.a23=10007;t.a24=10008;t.a25=10009;t.a26=10010;t.a27=10011;t.a28=10012;t.a6=10013;t.a7=10014;t.a8=10015;t.a9=10016;t.a10=10017;t.a29=10018;t.a30=10019;t.a31=10020;t.a32=10021;t.a33=10022;t.a34=10023;t.a35=9733;t.a36=10025;t.a37=10026;t.a38=10027;t.a39=10028;t.a40=10029;t.a41=10030;t.a42=10031;t.a43=10032;t.a44=10033;t.a45=10034;t.a46=10035;t.a47=10036;t.a48=10037;t.a49=10038;t.a50=10039;t.a51=10040;t.a52=10041;t.a53=10042;t.a54=10043;t.a55=10044;t.a56=10045;t.a57=10046;t.a58=10047;t.a59=10048;t.a60=10049;t.a61=10050;t.a62=10051;t.a63=10052;t.a64=10053;t.a65=10054;t.a66=10055;t.a67=10056;t.a68=10057;t.a69=10058;t.a70=10059;t.a71=9679;t.a72=10061;t.a73=9632;t.a74=10063;t.a203=10064;t.a75=10065;t.a204=10066;t.a76=9650;t.a77=9660;t.a78=9670;t.a79=10070;t.a81=9687;t.a82=10072;t.a83=10073;t.a84=10074;t.a97=10075;t.a98=10076;t.a99=10077;t.a100=10078;t.a101=10081;t.a102=10082;t.a103=10083;t.a104=10084;t.a106=10085;t.a107=10086;t.a108=10087;t.a112=9827;t.a111=9830;t.a110=9829;t.a109=9824;t.a120=9312;t.a121=9313;t.a122=9314;t.a123=9315;t.a124=9316;t.a125=9317;t.a126=9318;t.a127=9319;t.a128=9320;t.a129=9321;t.a130=10102;t.a131=10103;t.a132=10104;t.a133=10105;t.a134=10106;t.a135=10107;t.a136=10108;t.a137=10109;t.a138=10110;t.a139=10111;t.a140=10112;t.a141=10113;t.a142=10114;t.a143=10115;t.a144=10116;t.a145=10117;t.a146=10118;t.a147=10119;t.a148=10120;t.a149=10121;t.a150=10122;t.a151=10123;t.a152=10124;t.a153=10125;t.a154=10126;t.a155=10127;t.a156=10128;t.a157=10129;t.a158=10130;t.a159=10131;t.a160=10132;t.a161=8594;t.a163=8596;t.a164=8597;t.a196=10136;t.a165=10137;t.a192=10138;t.a166=10139;t.a167=10140;t.a168=10141;t.a169=10142;t.a170=10143;t.a171=10144;t.a172=10145;t.a173=10146;t.a162=10147;t.a174=10148;t.a175=10149;t.a176=10150;t.a177=10151;t.a178=10152;t.a179=10153;t.a193=10154;t.a180=10155;t.a199=10156;t.a181=10157;t.a200=10158;t.a182=10159;t.a201=10161;t.a183=10162;t.a184=10163;t.a197=10164;t.a185=10165;t.a194=10166;t.a198=10167;t.a186=10168;t.a195=10169;t.a187=10170;t.a188=10171;t.a189=10172;t.a190=10173;t.a191=10174;t.a89=10088;t.a90=10089;t.a93=10090;t.a94=10091;t.a91=10092;t.a92=10093;t.a205=10094;t.a85=10095;t.a206=10096;t.a86=10097;t.a87=10098;t.a88=10099;t.a95=10100;t.a96=10101;t[".notdef"]=0}));r.getGlyphsUnicode=o;r.getDingbatsGlyphsUnicode=c},function(t,r,a){"use 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゙";t["゜"]=" ゚";t["ㄱ"]="ᄀ";t["ㄲ"]="ᄁ";t["ㄳ"]="ᆪ";t["ㄴ"]="ᄂ";t["ㄵ"]="ᆬ";t["ㄶ"]="ᆭ";t["ㄷ"]="ᄃ";t["ㄸ"]="ᄄ";t["ㄹ"]="ᄅ";t["ㄺ"]="ᆰ";t["ㄻ"]="ᆱ";t["ㄼ"]="ᆲ";t["ㄽ"]="ᆳ";t["ㄾ"]="ᆴ";t["ㄿ"]="ᆵ";t["ㅀ"]="ᄚ";t["ㅁ"]="ᄆ";t["ㅂ"]="ᄇ";t["ㅃ"]="ᄈ";t["ㅄ"]="ᄡ";t["ㅅ"]="ᄉ";t["ㅆ"]="ᄊ";t["ㅇ"]="ᄋ";t["ㅈ"]="ᄌ";t["ㅉ"]="ᄍ";t["ㅊ"]="ᄎ";t["ㅋ"]="ᄏ";t["ㅌ"]="ᄐ";t["ㅍ"]="ᄑ";t["ㅎ"]="ᄒ";t["ㅏ"]="ᅡ";t["ㅐ"]="ᅢ";t["ㅑ"]="ᅣ";t["ㅒ"]="ᅤ";t["ㅓ"]="ᅥ";t["ㅔ"]="ᅦ";t["ㅕ"]="ᅧ";t["ㅖ"]="ᅨ";t["ㅗ"]="ᅩ";t["ㅘ"]="ᅪ";t["ㅙ"]="ᅫ";t["ㅚ"]="ᅬ";t["ㅛ"]="ᅭ";t["ㅜ"]="ᅮ";t["ㅝ"]="ᅯ";t["ㅞ"]="ᅰ";t["ㅟ"]="ᅱ";t["ㅠ"]="ᅲ";t["ㅡ"]="ᅳ";t["ㅢ"]="ᅴ";t["ㅣ"]="ᅵ";t["ㅤ"]="ᅠ";t["ㅥ"]="ᄔ";t["ㅦ"]="ᄕ";t["ㅧ"]="ᇇ";t["ㅨ"]="ᇈ";t["ㅩ"]="ᇌ";t["ㅪ"]="ᇎ";t["ㅫ"]="ᇓ";t["ㅬ"]="ᇗ";t["ㅭ"]="ᇙ";t["ㅮ"]="ᄜ";t["ㅯ"]="ᇝ";t["ㅰ"]="ᇟ";t["ㅱ"]="ᄝ";t["ㅲ"]="ᄞ";t["ㅳ"]="ᄠ";t["ㅴ"]="ᄢ";t["ㅵ"]="ᄣ";t["ㅶ"]="ᄧ";t["ㅷ"]="ᄩ";t["ㅸ"]="ᄫ";t["ㅹ"]="ᄬ";t["ㅺ"]="ᄭ";t["ㅻ"]="ᄮ";t["ㅼ"]="ᄯ";t["ㅽ"]="ᄲ";t["ㅾ"]="ᄶ";t["ㅿ"]="ᅀ";t["ㆀ"]="ᅇ";t["ㆁ"]="ᅌ";t["ㆂ"]="ᇱ";t["ㆃ"]="ᇲ";t["ㆄ"]="ᅗ";t["ㆅ"]="ᅘ";t["ㆆ"]="ᅙ";t["ㆇ"]="ᆄ";t["ㆈ"]="ᆅ";t["ㆉ"]="ᆈ";t["ㆊ"]="ᆑ";t["ㆋ"]="ᆒ";t["ㆌ"]="ᆔ";t["ㆍ"]="ᆞ";t["ㆎ"]="ᆡ";t["㈀"]="(ᄀ)";t["㈁"]="(ᄂ)";t["㈂"]="(ᄃ)";t["㈃"]="(ᄅ)";t["㈄"]="(ᄆ)";t["㈅"]="(ᄇ)";t["㈆"]="(ᄉ)";t["㈇"]="(ᄋ)";t["㈈"]="(ᄌ)";t["㈉"]="(ᄎ)";t["㈊"]="(ᄏ)";t["㈋"]="(ᄐ)";t["㈌"]="(ᄑ)";t["㈍"]="(ᄒ)";t["㈎"]="(가)";t["㈏"]="(나)";t["㈐"]="(다)";t["㈑"]="(라)";t["㈒"]="(마)";t["㈓"]="(바)";t["㈔"]="(사)";t["㈕"]="(아)";t["㈖"]="(자)";t["㈗"]="(차)";t["㈘"]="(카)";t["㈙"]="(타)";t["㈚"]="(파)";t["㈛"]="(하)";t["㈜"]="(주)";t["㈝"]="(오전)";t["㈞"]="(오후)";t["㈠"]="(一)";t["㈡"]="(二)";t["㈢"]="(三)";t["㈣"]="(四)";t["㈤"]="(五)";t["㈥"]="(六)";t["㈦"]="(七)";t["㈧"]="(八)";t["㈨"]="(九)";t["㈩"]="(十)";t["㈪"]="(月)";t["㈫"]="(火)";t["㈬"]="(水)";t["㈭"]="(木)";t["㈮"]="(金)";t["㈯"]="(土)";t["㈰"]="(日)";t["㈱"]="(株)";t["㈲"]="(有)";t["㈳"]="(社)";t["㈴"]="(名)";t["㈵"]="(特)";t["㈶"]="(財)";t["㈷"]="(祝)";t["㈸"]="(労)";t["㈹"]="(代)";t["㈺"]="(呼)";t["㈻"]="(学)";t["㈼"]="(監)";t["㈽"]="(企)";t["㈾"]="(資)";t["㈿"]="(協)";t["㉀"]="(祭)";t["㉁"]="(休)";t["㉂"]="(自)";t["㉃"]="(至)";t["㋀"]="1月";t["㋁"]="2月";t["㋂"]="3月";t["㋃"]="4月";t["㋄"]="5月";t["㋅"]="6月";t["㋆"]="7月";t["㋇"]="8月";t["㋈"]="9月";t["㋉"]="10月";t["㋊"]="11月";t["㋋"]="12月";t["㍘"]="0点";t["㍙"]="1点";t["㍚"]="2点";t["㍛"]="3点";t["㍜"]="4点";t["㍝"]="5点";t["㍞"]="6点";t["㍟"]="7点";t["㍠"]="8点";t["㍡"]="9点";t["㍢"]="10点";t["㍣"]="11点";t["㍤"]="12点";t["㍥"]="13点";t["㍦"]="14点";t["㍧"]="15点";t["㍨"]="16点";t["㍩"]="17点";t["㍪"]="18点";t["㍫"]="19点";t["㍬"]="20点";t["㍭"]="21点";t["㍮"]="22点";t["㍯"]="23点";t["㍰"]="24点";t["㏠"]="1日";t["㏡"]="2日";t["㏢"]="3日";t["㏣"]="4日";t["㏤"]="5日";t["㏥"]="6日";t["㏦"]="7日";t["㏧"]="8日";t["㏨"]="9日";t["㏩"]="10日";t["㏪"]="11日";t["㏫"]="12日";t["㏬"]="13日";t["㏭"]="14日";t["㏮"]="15日";t["㏯"]="16日";t["㏰"]="17日";t["㏱"]="18日";t["㏲"]="19日";t["㏳"]="20日";t["㏴"]="21日";t["㏵"]="22日";t["㏶"]="23日";t["㏷"]="24日";t["㏸"]="25日";t["㏹"]="26日";t["㏺"]="27日";t["㏻"]="28日";t["㏼"]="29日";t["㏽"]="30日";t["㏾"]="31日";t["ff"]="ff";t["fi"]="fi";t["fl"]="fl";t["ffi"]="ffi";t["ffl"]="ffl";t["ſt"]="ſt";t["st"]="st";t["ﬓ"]="մն";t["ﬔ"]="մե";t["ﬕ"]="մի";t["ﬖ"]="վն";t["ﬗ"]="մխ";t["ﭏ"]="אל";t["ﭐ"]="ٱ";t["ﭑ"]="ٱ";t["ﭒ"]="ٻ";t["ﭓ"]="ٻ";t["ﭔ"]="ٻ";t["ﭕ"]="ٻ";t["ﭖ"]="پ";t["ﭗ"]="پ";t["ﭘ"]="پ";t["ﭙ"]="پ";t["ﭚ"]="ڀ";t["ﭛ"]="ڀ";t["ﭜ"]="ڀ";t["ﭝ"]="ڀ";t["ﭞ"]="ٺ";t["ﭟ"]="ٺ";t["ﭠ"]="ٺ";t["ﭡ"]="ٺ";t["ﭢ"]="ٿ";t["ﭣ"]="ٿ";t["ﭤ"]="ٿ";t["ﭥ"]="ٿ";t["ﭦ"]="ٹ";t["ﭧ"]="ٹ";t["ﭨ"]="ٹ";t["ﭩ"]="ٹ";t["ﭪ"]="ڤ";t["ﭫ"]="ڤ";t["ﭬ"]="ڤ";t["ﭭ"]="ڤ";t["ﭮ"]="ڦ";t["ﭯ"]="ڦ";t["ﭰ"]="ڦ";t["ﭱ"]="ڦ";t["ﭲ"]="ڄ";t["ﭳ"]="ڄ";t["ﭴ"]="ڄ";t["ﭵ"]="ڄ";t["ﭶ"]="ڃ";t["ﭷ"]="ڃ";t["ﭸ"]="ڃ";t["ﭹ"]="ڃ";t["ﭺ"]="چ";t["ﭻ"]="چ";t["ﭼ"]="چ";t["ﭽ"]="چ";t["ﭾ"]="ڇ";t["ﭿ"]="ڇ";t["ﮀ"]="ڇ";t["ﮁ"]="ڇ";t["ﮂ"]="ڍ";t["ﮃ"]="ڍ";t["ﮄ"]="ڌ";t["ﮅ"]="ڌ";t["ﮆ"]="ڎ";t["ﮇ"]="ڎ";t["ﮈ"]="ڈ";t["ﮉ"]="ڈ";t["ﮊ"]="ژ";t["ﮋ"]="ژ";t["ﮌ"]="ڑ";t["ﮍ"]="ڑ";t["ﮎ"]="ک";t["ﮏ"]="ک";t["ﮐ"]="ک";t["ﮑ"]="ک";t["ﮒ"]="گ";t["ﮓ"]="گ";t["ﮔ"]="گ";t["ﮕ"]="گ";t["ﮖ"]="ڳ";t["ﮗ"]="ڳ";t["ﮘ"]="ڳ";t["ﮙ"]="ڳ";t["ﮚ"]="ڱ";t["ﮛ"]="ڱ";t["ﮜ"]="ڱ";t["ﮝ"]="ڱ";t["ﮞ"]="ں";t["ﮟ"]="ں";t["ﮠ"]="ڻ";t["ﮡ"]="ڻ";t["ﮢ"]="ڻ";t["ﮣ"]="ڻ";t["ﮤ"]="ۀ";t["ﮥ"]="ۀ";t["ﮦ"]="ہ";t["ﮧ"]="ہ";t["ﮨ"]="ہ";t["ﮩ"]="ہ";t["ﮪ"]="ھ";t["ﮫ"]="ھ";t["ﮬ"]="ھ";t["ﮭ"]="ھ";t["ﮮ"]="ے";t["ﮯ"]="ے";t["ﮰ"]="ۓ";t["ﮱ"]="ۓ";t["ﯓ"]="ڭ";t["ﯔ"]="ڭ";t["ﯕ"]="ڭ";t["ﯖ"]="ڭ";t["ﯗ"]="ۇ";t["ﯘ"]="ۇ";t["ﯙ"]="ۆ";t["ﯚ"]="ۆ";t["ﯛ"]="ۈ";t["ﯜ"]="ۈ";t["ﯝ"]="ٷ";t["ﯞ"]="ۋ";t["ﯟ"]="ۋ";t["ﯠ"]="ۅ";t["ﯡ"]="ۅ";t["ﯢ"]="ۉ";t["ﯣ"]="ۉ";t["ﯤ"]="ې";t["ﯥ"]="ې";t["ﯦ"]="ې";t["ﯧ"]="ې";t["ﯨ"]="ى";t["ﯩ"]="ى";t["ﯪ"]="ئا";t["ﯫ"]="ئا";t["ﯬ"]="ئە";t["ﯭ"]="ئە";t["ﯮ"]="ئو";t["ﯯ"]="ئو";t["ﯰ"]="ئۇ";t["ﯱ"]="ئۇ";t["ﯲ"]="ئۆ";t["ﯳ"]="ئۆ";t["ﯴ"]="ئۈ";t["ﯵ"]="ئۈ";t["ﯶ"]="ئې";t["ﯷ"]="ئې";t["ﯸ"]="ئې";t["ﯹ"]="ئى";t["ﯺ"]="ئى";t["ﯻ"]="ئى";t["ﯼ"]="ی";t["ﯽ"]="ی";t["ﯾ"]="ی";t["ﯿ"]="ی";t["ﰀ"]="ئج";t["ﰁ"]="ئح";t["ﰂ"]="ئم";t["ﰃ"]="ئى";t["ﰄ"]="ئي";t["ﰅ"]="بج";t["ﰆ"]="بح";t["ﰇ"]="بخ";t["ﰈ"]="بم";t["ﰉ"]="بى";t["ﰊ"]="بي";t["ﰋ"]="تج";t["ﰌ"]="تح";t["ﰍ"]="تخ";t["ﰎ"]="تم";t["ﰏ"]="تى";t["ﰐ"]="تي";t["ﰑ"]="ثج";t["ﰒ"]="ثم";t["ﰓ"]="ثى";t["ﰔ"]="ثي";t["ﰕ"]="جح";t["ﰖ"]="جم";t["ﰗ"]="حج";t["ﰘ"]="حم";t["ﰙ"]="خج";t["ﰚ"]="خح";t["ﰛ"]="خم";t["ﰜ"]="سج";t["ﰝ"]="سح";t["ﰞ"]="سخ";t["ﰟ"]="سم";t["ﰠ"]="صح";t["ﰡ"]="صم";t["ﰢ"]="ضج";t["ﰣ"]="ضح";t["ﰤ"]="ضخ";t["ﰥ"]="ضم";t["ﰦ"]="طح";t["ﰧ"]="طم";t["ﰨ"]="ظم";t["ﰩ"]="عج";t["ﰪ"]="عم";t["ﰫ"]="غج";t["ﰬ"]="غم";t["ﰭ"]="فج";t["ﰮ"]="فح";t["ﰯ"]="فخ";t["ﰰ"]="فم";t["ﰱ"]="فى";t["ﰲ"]="في";t["ﰳ"]="قح";t["ﰴ"]="قم";t["ﰵ"]="قى";t["ﰶ"]="قي";t["ﰷ"]="كا";t["ﰸ"]="كج";t["ﰹ"]="كح";t["ﰺ"]="كخ";t["ﰻ"]="كل";t["ﰼ"]="كم";t["ﰽ"]="كى";t["ﰾ"]="كي";t["ﰿ"]="لج";t["ﱀ"]="لح";t["ﱁ"]="لخ";t["ﱂ"]="لم";t["ﱃ"]="لى";t["ﱄ"]="لي";t["ﱅ"]="مج";t["ﱆ"]="مح";t["ﱇ"]="مخ";t["ﱈ"]="مم";t["ﱉ"]="مى";t["ﱊ"]="مي";t["ﱋ"]="نج";t["ﱌ"]="نح";t["ﱍ"]="نخ";t["ﱎ"]="نم";t["ﱏ"]="نى";t["ﱐ"]="ني";t["ﱑ"]="هج";t["ﱒ"]="هم";t["ﱓ"]="هى";t["ﱔ"]="هي";t["ﱕ"]="يج";t["ﱖ"]="يح";t["ﱗ"]="يخ";t["ﱘ"]="يم";t["ﱙ"]="يى";t["ﱚ"]="يي";t["ﱛ"]="ذٰ";t["ﱜ"]="رٰ";t["ﱝ"]="ىٰ";t["ﱞ"]=" ٌّ";t["ﱟ"]=" ٍّ";t["ﱠ"]=" َّ";t["ﱡ"]=" ُّ";t["ﱢ"]=" ِّ";t["ﱣ"]=" 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"ظ";t["ﻆ"]="ظ";t["ﻇ"]="ظ";t["ﻈ"]="ظ";t["ﻉ"]="ع";t["ﻊ"]="ع";t["ﻋ"]="ع";t["ﻌ"]="ع";t["ﻍ"]="غ";t["ﻎ"]="غ";t["ﻏ"]="غ";t["ﻐ"]="غ";t["ﻑ"]="ف";t["ﻒ"]="ف";t["ﻓ"]="ف";t["ﻔ"]="ف";t["ﻕ"]="ق";t["ﻖ"]="ق";t["ﻗ"]="ق";t["ﻘ"]="ق";t["ﻙ"]="ك";t["ﻚ"]="ك";t["ﻛ"]="ك";t["ﻜ"]="ك";t["ﻝ"]="ل";t["ﻞ"]="ل";t["ﻟ"]="ل";t["ﻠ"]="ل";t["ﻡ"]="م";t["ﻢ"]="م";t["ﻣ"]="م";t["ﻤ"]="م";t["ﻥ"]="ن";t["ﻦ"]="ن";t["ﻧ"]="ن";t["ﻨ"]="ن";t["ﻩ"]="ه";t["ﻪ"]="ه";t["ﻫ"]="ه";t["ﻬ"]="ه";t["ﻭ"]="و";t["ﻮ"]="و";t["ﻯ"]="ى";t["ﻰ"]="ى";t["ﻱ"]="ي";t["ﻲ"]="ي";t["ﻳ"]="ي";t["ﻴ"]="ي";t["ﻵ"]="لآ";t["ﻶ"]="لآ";t["ﻷ"]="لأ";t["ﻸ"]="لأ";t["ﻹ"]="لإ";t["ﻺ"]="لإ";t["ﻻ"]="لا";t["ﻼ"]="لا"}));r.mapSpecialUnicodeValues=function mapSpecialUnicodeValues(t){return t>=65520&&t<=65535?0:t>=62976&&t<=63743?o()[t]||t:173===t?45:t};r.reverseIfRtl=function reverseIfRtl(t){var r=t.length;if(r<=1||!function isRTLRangeFor(t){var r=c[13];return t>=r.begin&&t<r.end||t>=(r=c[11]).begin&&t<r.end}(t.charCodeAt(0)))return t;for(var a="",i=r-1;i>=0;i--)a+=t[i];return a};r.getUnicodeRangeFor=function getUnicodeRangeFor(t){for(var r=0,a=c.length;r<a;r++){var i=c[r];if(t>=i.begin&&t<i.end)return r}return-1};r.getNormalizedUnicodes=l;r.getUnicodeForGlyph=function getUnicodeForGlyph(t,r){var a=r[t];if(void 0!==a)return a;if(!t)return-1;if("u"===t[0]){var i,o=t.length;if(7===o&&"n"===t[1]&&"i"===t[2])i=t.substring(3);else{if(!(o>=5&&o<=7))return-1;i=t.substring(1)}if(i===i.toUpperCase()&&(a=parseInt(i,16))>=0)return a}return-1}},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.FontRendererFactory=void 0;var i=a(5),o=a(228),c=a(231),l=a(230),u=a(209);function _typeof(t){return(_typeof="function"==typeof 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o=_getPrototypeOf(this).constructor;a=Reflect.construct(i,arguments,o)}else a=i.apply(this,arguments);return _possibleConstructorReturn(this,a)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var h=function 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o.CFFParser(new u.Stream(t,r,a-r),{},i).parse();return{glyphs:c.charStrings.objects,subrs:c.topDict.privateDict&&c.topDict.privateDict.subrsIndex&&c.topDict.privateDict.subrsIndex.objects,gsubrs:c.globalSubrIndex&&c.globalSubrIndex.objects,isCFFCIDFont:c.isCIDFont,fdSelect:c.fdSelect,fdArray:c.fdArray}}function lookupCmap(t,r){for(var a=r.codePointAt(0),i=0,o=0,c=t.length-1;o<c;){var l=o+c+1>>1;a<t[l].start?c=l-1:o=l}t[o].start<=a&&a<=t[o].end&&(i=t[o].idDelta+(t[o].ids?t[o].ids[a-t[o].start]:a)&65535);return{charCode:a,glyphId:i}}var t=[],r=function(){function CompiledFont(t){_classCallCheck(this,CompiledFont);this.constructor===CompiledFont&&(0,i.unreachable)("Cannot initialize CompiledFont.");this.fontMatrix=t;this.compiledGlyphs=Object.create(null);this.compiledCharCodeToGlyphId=Object.create(null)}_createClass(CompiledFont,[{key:"getPathJs",value:function getPathJs(t){var r=lookupCmap(this.cmap,t),a=this.compiledGlyphs[r.glyphId];if(!a){a=this.compileGlyph(this.glyphs[r.glyphId],r.glyphId);this.compiledGlyphs[r.glyphId]=a}void 0===this.compiledCharCodeToGlyphId[r.charCode]&&(this.compiledCharCodeToGlyphId[r.charCode]=r.glyphId);return a}},{key:"compileGlyph",value:function compileGlyph(r,a){if(!r||0===r.length||14===r[0])return t;var o=this.fontMatrix;if(this.isCFFCIDFont){var c=this.fdSelect.getFDIndex(a);if(c>=0&&c<this.fdArray.length){o=this.fdArray[c].getByName("FontMatrix")||i.FONT_IDENTITY_MATRIX}else(0,i.warn)("Invalid fd index for glyph index.")}var l=[];l.push({cmd:"save"});l.push({cmd:"transform",args:o.slice()});l.push({cmd:"scale",args:["size","-size"]});this.compileGlyphImpl(r,l,a);l.push({cmd:"restore"});return l}},{key:"compileGlyphImpl",value:function compileGlyphImpl(){(0,i.unreachable)("Children classes should implement this.")}},{key:"hasBuiltPath",value:function hasBuiltPath(t){var r=lookupCmap(this.cmap,t);return void 0!==this.compiledGlyphs[r.glyphId]&&void 0!==this.compiledCharCodeToGlyphId[r.charCode]}}]);return CompiledFont}(),a=function(t){_inherits(TrueTypeCompiled,t);var r=_createSuper(TrueTypeCompiled);function TrueTypeCompiled(t,a,i){var o;_classCallCheck(this,TrueTypeCompiled);(o=r.call(this,i||[488e-6,0,0,488e-6,0,0])).glyphs=t;o.cmap=a;return o}_createClass(TrueTypeCompiled,[{key:"compileGlyphImpl",value:function compileGlyphImpl(t,r){!function compileGlyf(t,r,a){function moveTo(t,a){r.push({cmd:"moveTo",args:[t,a]})}function lineTo(t,a){r.push({cmd:"lineTo",args:[t,a]})}function quadraticCurveTo(t,a,i,o){r.push({cmd:"quadraticCurveTo",args:[t,a,i,o]})}var i,o=0,c=(t[o]<<24|t[o+1]<<16)>>16,l=0,u=0;o+=10;if(c<0)do{i=t[o]<<8|t[o+1];var h,d,p=t[o+2]<<8|t[o+3];o+=4;if(1&i){h=(t[o]<<24|t[o+1]<<16)>>16;d=(t[o+2]<<24|t[o+3]<<16)>>16;o+=4}else{h=t[o++];d=t[o++]}if(2&i){l=h;u=d}else{l=0;u=0}var m=1,g=1,y=0,b=0;if(8&i){m=g=(t[o]<<24|t[o+1]<<16)/1073741824;o+=2}else if(64&i){m=(t[o]<<24|t[o+1]<<16)/1073741824;g=(t[o+2]<<24|t[o+3]<<16)/1073741824;o+=4}else if(128&i){m=(t[o]<<24|t[o+1]<<16)/1073741824;y=(t[o+2]<<24|t[o+3]<<16)/1073741824;b=(t[o+4]<<24|t[o+5]<<16)/1073741824;g=(t[o+6]<<24|t[o+7]<<16)/1073741824;o+=8}var v=a.glyphs[p];if(v){r.push({cmd:"save"});r.push({cmd:"transform",args:[m,y,b,g,l,u]});compileGlyf(v,r,a);r.push({cmd:"restore"})}}while(32&i);else{var S,k,w=[];for(S=0;S<c;S++){w.push(t[o]<<8|t[o+1]);o+=2}o+=2+(t[o]<<8|t[o+1]);for(var C=w[w.length-1]+1,_=[];_.length<C;){var x=1;8&(i=t[o++])&&(x+=t[o++]);for(;x-- >0;)_.push({flags:i})}for(S=0;S<C;S++){switch(18&_[S].flags){case 0:l+=(t[o]<<24|t[o+1]<<16)>>16;o+=2;break;case 2:l-=t[o++];break;case 18:l+=t[o++]}_[S].x=l}for(S=0;S<C;S++){switch(36&_[S].flags){case 0:u+=(t[o]<<24|t[o+1]<<16)>>16;o+=2;break;case 4:u-=t[o++];break;case 36:u+=t[o++]}_[S].y=u}var A=0;for(o=0;o<c;o++){var T=w[o],R=_.slice(A,T+1);if(1&R[0].flags)R.push(R[0]);else if(1&R[R.length-1].flags)R.unshift(R[R.length-1]);else{var I={flags:1,x:(R[0].x+R[R.length-1].x)/2,y:(R[0].y+R[R.length-1].y)/2};R.unshift(I);R.push(I)}moveTo(R[0].x,R[0].y);for(S=1,k=R.length;S<k;S++)if(1&R[S].flags)lineTo(R[S].x,R[S].y);else if(1&R[S+1].flags){quadraticCurveTo(R[S].x,R[S].y,R[S+1].x,R[S+1].y);S++}else quadraticCurveTo(R[S].x,R[S].y,(R[S].x+R[S+1].x)/2,(R[S].y+R[S+1].y)/2);A=T+1}}}(t,r,this)}}]);return TrueTypeCompiled}(r),h=function(t){_inherits(Type2Compiled,t);var r=_createSuper(Type2Compiled);function Type2Compiled(t,a,i,o){var l;_classCallCheck(this,Type2Compiled);(l=r.call(this,i||[.001,0,0,.001,0,0])).glyphs=t.glyphs;l.gsubrs=t.gsubrs||[];l.subrs=t.subrs||[];l.cmap=a;l.glyphNameMap=o||(0,c.getGlyphsUnicode)();l.gsubrsBias=getSubroutineBias(l.gsubrs);l.subrsBias=getSubroutineBias(l.subrs);l.isCFFCIDFont=t.isCFFCIDFont;l.fdSelect=t.fdSelect;l.fdArray=t.fdArray;return l}_createClass(Type2Compiled,[{key:"compileGlyphImpl",value:function compileGlyphImpl(t,r,a){!function compileCharString(t,r,a,o){function moveTo(t,a){r.push({cmd:"moveTo",args:[t,a]})}function lineTo(t,a){r.push({cmd:"lineTo",args:[t,a]})}function bezierCurveTo(t,a,i,o,c,l){r.push({cmd:"bezierCurveTo",args:[t,a,i,o,c,l]})}var c=[],u=0,h=0,d=0;!function parse(t){for(var p=0;p<t.length;){var m,g,y,b,v,S,k,w,C=!1,_=t[p++];switch(_){case 1:case 3:d+=c.length>>1;C=!0;break;case 4:h+=c.pop();moveTo(u,h);C=!0;break;case 5:for(;c.length>0;){u+=c.shift();h+=c.shift();lineTo(u,h)}break;case 6:for(;c.length>0;){lineTo(u+=c.shift(),h);if(0===c.length)break;h+=c.shift();lineTo(u,h)}break;case 7:for(;c.length>0;){h+=c.shift();lineTo(u,h);if(0===c.length)break;lineTo(u+=c.shift(),h)}break;case 8:for(;c.length>0;){m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h)}break;case 10:k=c.pop();w=null;if(a.isCFFCIDFont){var x=a.fdSelect.getFDIndex(o);if(x>=0&&x<a.fdArray.length){var A=a.fdArray[x],T=void 0;A.privateDict&&A.privateDict.subrsIndex&&(T=A.privateDict.subrsIndex.objects);T&&(w=T[k+=getSubroutineBias(T)])}else(0,i.warn)("Invalid fd index for glyph index.")}else w=a.subrs[k+a.subrsBias];w&&parse(w);break;case 11:return;case 12:switch(_=t[p++]){case 34:g=(m=u+c.shift())+c.shift();v=h+c.shift();u=g+c.shift();bezierCurveTo(m,h,g,v,u,v);g=(m=u+c.shift())+c.shift();u=g+c.shift();bezierCurveTo(m,v,g,h,u,h);break;case 35:m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h);m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h);c.pop();break;case 36:bezierCurveTo(m=u+c.shift(),v=h+c.shift(),g=m+c.shift(),S=v+c.shift(),u=g+c.shift(),S);bezierCurveTo(m=u+c.shift(),S,g=m+c.shift(),S+c.shift(),u=g+c.shift(),h);break;case 37:var R=u,I=h;m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h);m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g;h=b;Math.abs(u-R)>Math.abs(h-I)?u+=c.shift():h+=c.shift();bezierCurveTo(m,y,g,b,u,h);break;default:throw new i.FormatError("unknown operator: 12 ".concat(_))}break;case 14:if(c.length>=4){var P=c.pop(),O=c.pop();h=c.pop();u=c.pop();r.push({cmd:"save"});r.push({cmd:"translate",args:[u,h]});var E=lookupCmap(a.cmap,String.fromCharCode(a.glyphNameMap[l.StandardEncoding[P]]));compileCharString(a.glyphs[E.glyphId],r,a,E.glyphId);r.push({cmd:"restore"});E=lookupCmap(a.cmap,String.fromCharCode(a.glyphNameMap[l.StandardEncoding[O]]));compileCharString(a.glyphs[E.glyphId],r,a,E.glyphId)}return;case 18:d+=c.length>>1;C=!0;break;case 19:case 20:p+=(d+=c.length>>1)+7>>3;C=!0;break;case 21:h+=c.pop();moveTo(u+=c.pop(),h);C=!0;break;case 22:moveTo(u+=c.pop(),h);C=!0;break;case 23:d+=c.length>>1;C=!0;break;case 24:for(;c.length>2;){m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h)}u+=c.shift();h+=c.shift();lineTo(u,h);break;case 25:for(;c.length>6;){u+=c.shift();h+=c.shift();lineTo(u,h)}m=u+c.shift();y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u,h);break;case 26:c.length%2&&(u+=c.shift());for(;c.length>0;){m=u;y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g;h=b+c.shift();bezierCurveTo(m,y,g,b,u,h)}break;case 27:c.length%2&&(h+=c.shift());for(;c.length>0;)bezierCurveTo(m=u+c.shift(),y=h,g=m+c.shift(),b=y+c.shift(),u=g+c.shift(),h=b);break;case 28:c.push((t[p]<<24|t[p+1]<<16)>>16);p+=2;break;case 29:k=c.pop()+a.gsubrsBias;(w=a.gsubrs[k])&&parse(w);break;case 30:for(;c.length>0;){m=u;y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+(1===c.length?c.shift():0);bezierCurveTo(m,y,g,b,u,h);if(0===c.length)break;m=u+c.shift();y=h;g=m+c.shift();b=y+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u=g+(1===c.length?c.shift():0),h)}break;case 31:for(;c.length>0;){m=u+c.shift();y=h;g=m+c.shift();b=y+c.shift();h=b+c.shift();bezierCurveTo(m,y,g,b,u=g+(1===c.length?c.shift():0),h);if(0===c.length)break;m=u;y=h+c.shift();g=m+c.shift();b=y+c.shift();u=g+c.shift();h=b+(1===c.length?c.shift():0);bezierCurveTo(m,y,g,b,u,h)}break;default:if(_<32)throw new i.FormatError("unknown operator: ".concat(_));if(_<247)c.push(_-139);else if(_<251)c.push(256*(_-247)+t[p++]+108);else if(_<255)c.push(256*-(_-251)-t[p++]-108);else{c.push((t[p]<<24|t[p+1]<<16|t[p+2]<<8|t[p+3])/65536);p+=4}}C&&(c.length=0)}}(t)}(t,r,this,a)}}]);return Type2Compiled}(r);return{create:function FontRendererFactory_create(t,r){for(var o,c,l,u,d,p,m=new Uint8Array(t.data),g=getUshort(m,4),y=0,b=12;y<g;y++,b+=16){var v=(0,i.bytesToString)(m.subarray(b,b+4)),S=getLong(m,b+8),k=getLong(m,b+12);switch(v){case"cmap":o=parseCmap(m,S);break;case"glyf":c=m.subarray(S,S+k);break;case"loca":l=m.subarray(S,S+k);break;case"head":p=getUshort(m,S+18);d=getUshort(m,S+50);break;case"CFF ":u=parseCff(m,S,S+k,r)}}if(c){var w=p?[1/p,0,0,1/p,0,0]:t.fontMatrix;return new a(function parseGlyfTable(t,r,a){var i,o;if(a){i=4;o=function fontItemDecodeLong(t,r){return t[r]<<24|t[r+1]<<16|t[r+2]<<8|t[r+3]}}else{i=2;o=function fontItemDecode(t,r){return t[r]<<9|t[r+1]<<1}}for(var c=[],l=o(r,0),u=i;u<r.length;u+=i){var h=o(r,u);c.push(t.subarray(l,h));l=h}return c}(c,l,d),o,w)}return new h(u,o,t.fontMatrix,t.glyphNameMap)}}}();r.FontRendererFactory=h},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.Type1Parser=void 0;var i=a(230),o=a(205),c=a(209),l=a(5),u=function Type1CharStringClosure(){var t=[4],r=[5],a=[6],i=[7],o=[8],c=[12,35],u=[14],h=[21],d=[22],p=[30],m=[31];function Type1CharString(){this.width=0;this.lsb=0;this.flexing=!1;this.output=[];this.stack=[]}Type1CharString.prototype={convert:function Type1CharString_convert(g,y,b){for(var v,S,k,w=g.length,C=!1,_=0;_<w;_++){var x=g[_];if(x<32){12===x&&(x=(x<<8)+g[++_]);switch(x){case 1:case 3:this.stack=[];break;case 4:if(this.flexing){if(this.stack.length<1){C=!0;break}var A=this.stack.pop();this.stack.push(0,A);break}C=this.executeCommand(1,t);break;case 5:C=this.executeCommand(2,r);break;case 6:C=this.executeCommand(1,a);break;case 7:C=this.executeCommand(1,i);break;case 8:C=this.executeCommand(6,o);break;case 9:this.stack=[];break;case 10:if(this.stack.length<1){C=!0;break}if(!y[k=this.stack.pop()]){C=!0;break}C=this.convert(y[k],y,b);break;case 11:return C;case 13:if(this.stack.length<2){C=!0;break}v=this.stack.pop();S=this.stack.pop();this.lsb=S;this.width=v;this.stack.push(v,S);C=this.executeCommand(2,d);break;case 14:this.output.push(u[0]);break;case 21:if(this.flexing)break;C=this.executeCommand(2,h);break;case 22:if(this.flexing){this.stack.push(0);break}C=this.executeCommand(1,d);break;case 30:C=this.executeCommand(4,p);break;case 31:C=this.executeCommand(4,m);break;case 3072:case 3073:case 3074:this.stack=[];break;case 3078:if(b){var T=this.stack[this.stack.length-5];this.seac=this.stack.splice(-4,4);this.seac[0]+=this.lsb-T;C=this.executeCommand(0,u)}else C=this.executeCommand(4,u);break;case 3079:if(this.stack.length<4){C=!0;break}this.stack.pop();v=this.stack.pop();var R=this.stack.pop();S=this.stack.pop();this.lsb=S;this.width=v;this.stack.push(v,S,R);C=this.executeCommand(3,h);break;case 3084:if(this.stack.length<2){C=!0;break}var I=this.stack.pop(),P=this.stack.pop();this.stack.push(P/I);break;case 3088:if(this.stack.length<2){C=!0;break}k=this.stack.pop();var O=this.stack.pop();if(0===k&&3===O){var E=this.stack.splice(this.stack.length-17,17);this.stack.push(E[2]+E[0],E[3]+E[1],E[4],E[5],E[6],E[7],E[8],E[9],E[10],E[11],E[12],E[13],E[14]);C=this.executeCommand(13,c,!0);this.flexing=!1;this.stack.push(E[15],E[16])}else 1===k&&0===O&&(this.flexing=!0);break;case 3089:break;case 3105:this.stack=[];break;default:(0,l.warn)('Unknown type 1 charstring command of "'+x+'"')}if(C)break}else{x<=246?x-=139:x=x<=250?256*(x-247)+g[++_]+108:x<=254?-256*(x-251)-g[++_]-108:(255&g[++_])<<24|(255&g[++_])<<16|(255&g[++_])<<8|(255&g[++_])<<0;this.stack.push(x)}}return C},executeCommand:function executeCommand(t,r,a){var i=this.stack.length;if(t>i)return!0;for(var o=i-t,c=o;c<i;c++){var l=this.stack[c];if(Number.isInteger(l))this.output.push(28,l>>8&255,255&l);else{l=65536*l|0;this.output.push(255,l>>24&255,l>>16&255,l>>8&255,255&l)}}this.output.push.apply(this.output,r);a?this.stack.splice(o,t):this.stack.length=0;return!1}};return Type1CharString}(),h=function Type1ParserClosure(){function isHexDigit(t){return t>=48&&t<=57||t>=65&&t<=70||t>=97&&t<=102}function decrypt(t,r,a){if(a>=t.length)return new Uint8Array(0);var i,o,c=0|r;for(i=0;i<a;i++)c=52845*(t[i]+c)+22719&65535;var l=t.length-a,u=new Uint8Array(l);for(i=a,o=0;o<l;i++,o++){var h=t[i];u[o]=h^c>>8;c=52845*(h+c)+22719&65535}return u}function isSpecial(t){return 47===t||91===t||93===t||123===t||125===t||40===t||41===t}function Type1Parser(t,r,a){if(r){var i=t.getBytes(),l=!((isHexDigit(i[0])||(0,o.isWhiteSpace)(i[0]))&&isHexDigit(i[1])&&isHexDigit(i[2])&&isHexDigit(i[3])&&isHexDigit(i[4])&&isHexDigit(i[5])&&isHexDigit(i[6])&&isHexDigit(i[7]));t=new c.Stream(l?decrypt(i,55665,4):function decryptAscii(t,r,a){var i,o,c=0|r,l=t.length,u=new Uint8Array(l>>>1);for(i=0,o=0;i<l;i++){var h=t[i];if(isHexDigit(h)){i++;for(var d;i<l&&!isHexDigit(d=t[i]);)i++;if(i<l){var p=parseInt(String.fromCharCode(h,d),16);u[o++]=p^c>>8;c=52845*(p+c)+22719&65535}}}return u.slice(a,o)}(i,55665,4))}this.seacAnalysisEnabled=!!a;this.stream=t;this.nextChar()}Type1Parser.prototype={readNumberArray:function Type1Parser_readNumberArray(){this.getToken();for(var t=[];;){var r=this.getToken();if(null===r||"]"===r||"}"===r)break;t.push(parseFloat(r||0))}return t},readNumber:function Type1Parser_readNumber(){var t=this.getToken();return parseFloat(t||0)},readInt:function Type1Parser_readInt(){var t=this.getToken();return 0|parseInt(t||0,10)},readBoolean:function Type1Parser_readBoolean(){return"true"===this.getToken()?1:0},nextChar:function Type1_nextChar(){return this.currentChar=this.stream.getByte()},getToken:function Type1Parser_getToken(){for(var t=!1,r=this.currentChar;;){if(-1===r)return null;if(t)10!==r&&13!==r||(t=!1);else if(37===r)t=!0;else if(!(0,o.isWhiteSpace)(r))break;r=this.nextChar()}if(isSpecial(r)){this.nextChar();return String.fromCharCode(r)}var a="";do{a+=String.fromCharCode(r);r=this.nextChar()}while(r>=0&&!(0,o.isWhiteSpace)(r)&&!isSpecial(r));return a},readCharStrings:function Type1Parser_readCharStrings(t,r){return-1===r?t:decrypt(t,4330,r)},extractFontProgram:function Type1Parser_extractFontProgram(t){var r=this.stream,a=[],i=[],o=Object.create(null);o.lenIV=4;for(var c,l,h,d,p,m={subrs:[],charstrings:[],properties:{privateData:o}};null!==(c=this.getToken());)if("/"===c)switch(c=this.getToken()){case"CharStrings":this.getToken();this.getToken();this.getToken();this.getToken();for(;null!==(c=this.getToken())&&"end"!==c;)if("/"===c){var g=this.getToken();l=this.readInt();this.getToken();h=l>0?r.getBytes(l):new Uint8Array(0);d=m.properties.privateData.lenIV;p=this.readCharStrings(h,d);this.nextChar();"noaccess"===(c=this.getToken())&&this.getToken();i.push({glyph:g,encoded:p})}break;case"Subrs":this.readInt();this.getToken();for(;"dup"===this.getToken();){var y=this.readInt();l=this.readInt();this.getToken();h=l>0?r.getBytes(l):new Uint8Array(0);d=m.properties.privateData.lenIV;p=this.readCharStrings(h,d);this.nextChar();"noaccess"===(c=this.getToken())&&this.getToken();a[y]=p}break;case"BlueValues":case"OtherBlues":case"FamilyBlues":case"FamilyOtherBlues":var b=this.readNumberArray();b.length>0&&b.length,0;break;case"StemSnapH":case"StemSnapV":m.properties.privateData[c]=this.readNumberArray();break;case"StdHW":case"StdVW":m.properties.privateData[c]=this.readNumberArray()[0];break;case"BlueShift":case"lenIV":case"BlueFuzz":case"BlueScale":case"LanguageGroup":case"ExpansionFactor":m.properties.privateData[c]=this.readNumber();break;case"ForceBold":m.properties.privateData[c]=this.readBoolean()}for(var v=0;v<i.length;v++){g=i[v].glyph;p=i[v].encoded;var S=new u,k=S.convert(p,a,this.seacAnalysisEnabled),w=S.output;k&&(w=[14]);var C={glyphName:g,charstring:w,width:S.width,lsb:S.lsb,seac:S.seac};".notdef"===g?m.charstrings.unshift(C):m.charstrings.push(C);if(t.builtInEncoding){var _=t.builtInEncoding.indexOf(g);_>-1&&void 0===t.widths[_]&&_>=t.firstChar&&_<=t.lastChar&&(t.widths[_]=S.width)}}return m},extractFontHeader:function Type1Parser_extractFontHeader(t){for(var r;null!==(r=this.getToken());)if("/"===r)switch(r=this.getToken()){case"FontMatrix":var a=this.readNumberArray();t.fontMatrix=a;break;case"Encoding":var o,c=this.getToken();if(/^\d+$/.test(c)){o=[];var l=0|parseInt(c,10);this.getToken();for(var u=0;u<l;u++){r=this.getToken();for(;"dup"!==r&&"def"!==r;)if(null===(r=this.getToken()))return;if("def"===r)break;var h=this.readInt();this.getToken();var d=this.getToken();o[h]=d;this.getToken()}}else o=(0,i.getEncoding)(c);t.builtInEncoding=o;break;case"FontBBox":var p=this.readNumberArray();t.ascent=Math.max(p[3],p[1]);t.descent=Math.min(p[1],p[3]);t.ascentScaled=!0}}};return Type1Parser}();r.Type1Parser=h},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.getTilingPatternIR=function getTilingPatternIR(t,r,a){var o=r.getArray("Matrix"),c=i.Util.normalizeRect(r.getArray("BBox")),l=r.get("XStep"),u=r.get("YStep"),h=r.get("PaintType"),d=r.get("TilingType");if(c[2]-c[0]==0||c[3]-c[1]==0)throw new i.FormatError("Invalid getTilingPatternIR /BBox array: [".concat(c,"]."));return["TilingPattern",a,t,o,c,l,u,h,d]};r.Pattern=void 0;var i=a(5),o=a(220),c=a(202),l=a(205),u=2,h=3,d=4,p=5,m=6,g=7,y=function PatternClosure(){function Pattern(){(0,i.unreachable)("should not call Pattern constructor")}Pattern.prototype={getPattern:function Pattern_getPattern(t){(0,i.unreachable)("Should not call Pattern.getStyle: ".concat(t))}};Pattern.parseShading=function(t,r,a,o,y,v,S){var k=(0,c.isStream)(t)?t.dict:t,w=k.get("ShadingType");try{switch(w){case u:case h:return new b.RadialAxial(k,r,a,o,v,S);case d:case p:case m:case g:return new b.Mesh(t,r,a,o,v,S);default:throw new i.FormatError("Unsupported ShadingType: "+w)}}catch(t){if(t instanceof l.MissingDataException)throw t;y.send("UnsupportedFeature",{featureId:i.UNSUPPORTED_FEATURES.shadingPattern});(0,i.warn)(t);return new b.Dummy}};return Pattern}();r.Pattern=y;var b={SMALL_NUMBER:1e-6};b.RadialAxial=function RadialAxialClosure(){function RadialAxial(t,r,a,c,l,u){this.matrix=r;this.coordsArr=t.getArray("Coords");this.shadingType=t.get("ShadingType");this.type="Pattern";var d=o.ColorSpace.parse({cs:t.getRaw("ColorSpace")||t.getRaw("CS"),xref:a,resources:c,pdfFunctionFactory:l,localColorSpaceCache:u});this.cs=d;var p=t.getArray("BBox");Array.isArray(p)&&4===p.length?this.bbox=i.Util.normalizeRect(p):this.bbox=null;var m=0,g=1;if(t.has("Domain")){var y=t.getArray("Domain");m=y[0];g=y[1]}var v=!1,S=!1;if(t.has("Extend")){var k=t.getArray("Extend");v=k[0];S=k[1]}if(!(this.shadingType!==h||v&&S)){var w=this.coordsArr[0],C=this.coordsArr[1],_=this.coordsArr[2],x=this.coordsArr[3],A=this.coordsArr[4],T=this.coordsArr[5],R=Math.sqrt((w-x)*(w-x)+(C-A)*(C-A));_<=T+R&&T<=_+R&&(0,i.warn)("Unsupported radial gradient.")}this.extendStart=v;this.extendEnd=S;var I=t.getRaw("Function"),P=l.createFromArray(I),O=(g-m)/10,E=this.colorStops=[];if(m>=g||O<=0)(0,i.info)("Bad shading domain.");else{for(var B,D=new Float32Array(d.numComps),M=new Float32Array(1),L=0;L<=10;L++){M[0]=m+L*O;P(M,0,D,0);B=d.getRgb(D,0);var N=i.Util.makeCssRgb(B[0],B[1],B[2]);E.push([L/10,N])}var U="transparent";if(t.has("Background")){B=d.getRgb(t.get("Background"),0);U=i.Util.makeCssRgb(B[0],B[1],B[2])}if(!v){E.unshift([0,U]);E[1][0]+=b.SMALL_NUMBER}if(!S){E[E.length-1][0]-=b.SMALL_NUMBER;E.push([1,U])}this.colorStops=E}}RadialAxial.prototype={getIR:function RadialAxial_getIR(){var t,r,a,o,c,l=this.coordsArr,d=this.shadingType;if(d===u){r=[l[0],l[1]];a=[l[2],l[3]];o=null;c=null;t="axial"}else if(d===h){r=[l[0],l[1]];a=[l[3],l[4]];o=l[2];c=l[5];t="radial"}else(0,i.unreachable)("getPattern type unknown: ".concat(d));var p=this.matrix;if(p){r=i.Util.applyTransform(r,p);a=i.Util.applyTransform(a,p);if(d===h){var m=i.Util.singularValueDecompose2dScale(p);o*=m[0];c*=m[1]}}return["RadialAxial",t,this.bbox,this.colorStops,r,a,o,c]}};return RadialAxial}();b.Mesh=function MeshClosure(){function MeshStreamReader(t,r){this.stream=t;this.context=r;this.buffer=0;this.bufferLength=0;var a=r.numComps;this.tmpCompsBuf=new Float32Array(a);var i=r.colorSpace.numComps;this.tmpCsCompsBuf=r.colorFn?new Float32Array(i):this.tmpCompsBuf}MeshStreamReader.prototype={get hasData(){if(this.stream.end)return this.stream.pos<this.stream.end;if(this.bufferLength>0)return!0;var t=this.stream.getByte();if(t<0)return!1;this.buffer=t;this.bufferLength=8;return!0},readBits:function MeshStreamReader_readBits(t){var r=this.buffer,a=this.bufferLength;if(32===t){if(0===a)return(this.stream.getByte()<<24|this.stream.getByte()<<16|this.stream.getByte()<<8|this.stream.getByte())>>>0;r=r<<24|this.stream.getByte()<<16|this.stream.getByte()<<8|this.stream.getByte();var i=this.stream.getByte();this.buffer=i&(1<<a)-1;return(r<<8-a|(255&i)>>a)>>>0}if(8===t&&0===a)return this.stream.getByte();for(;a<t;){r=r<<8|this.stream.getByte();a+=8}a-=t;this.bufferLength=a;this.buffer=r&(1<<a)-1;return r>>a},align:function MeshStreamReader_align(){this.buffer=0;this.bufferLength=0},readFlag:function MeshStreamReader_readFlag(){return this.readBits(this.context.bitsPerFlag)},readCoordinate:function MeshStreamReader_readCoordinate(){var t=this.context.bitsPerCoordinate,r=this.readBits(t),a=this.readBits(t),i=this.context.decode,o=t<32?1/((1<<t)-1):2.3283064365386963e-10;return[r*o*(i[1]-i[0])+i[0],a*o*(i[3]-i[2])+i[2]]},readComponents:function MeshStreamReader_readComponents(){for(var t=this.context.numComps,r=this.context.bitsPerComponent,a=r<32?1/((1<<r)-1):2.3283064365386963e-10,i=this.context.decode,o=this.tmpCompsBuf,c=0,l=4;c<t;c++,l+=2){var u=this.readBits(r);o[c]=u*a*(i[l+1]-i[l])+i[l]}var h=this.tmpCsCompsBuf;this.context.colorFn&&this.context.colorFn(o,0,h,0);return this.context.colorSpace.getRgb(h,0)}};var t=function getBClosure(){var t=[];return function getB(r){t[r]||(t[r]=function buildB(t){for(var r=[],a=0;a<=t;a++){var i=a/t,o=1-i;r.push(new Float32Array([o*o*o,3*i*o*o,3*i*i*o,i*i*i]))}return r}(r));return t[r]}}();function buildFigureFromPatch(r,a){var o=r.figures[a];(0,i.assert)("patch"===o.type,"Unexpected patch mesh figure");var c=r.coords,l=r.colors,u=o.coords,h=o.colors,d=Math.min(c[u[0]][0],c[u[3]][0],c[u[12]][0],c[u[15]][0]),p=Math.min(c[u[0]][1],c[u[3]][1],c[u[12]][1],c[u[15]][1]),m=Math.max(c[u[0]][0],c[u[3]][0],c[u[12]][0],c[u[15]][0]),g=Math.max(c[u[0]][1],c[u[3]][1],c[u[12]][1],c[u[15]][1]),y=Math.ceil(20*(m-d)/(r.bounds[2]-r.bounds[0]));y=Math.max(3,Math.min(20,y));var b=Math.ceil(20*(g-p)/(r.bounds[3]-r.bounds[1]));b=Math.max(3,Math.min(20,b));for(var v=y+1,S=new Int32Array((b+1)*v),k=new Int32Array((b+1)*v),w=0,C=new Uint8Array(3),_=new Uint8Array(3),x=l[h[0]],A=l[h[1]],T=l[h[2]],R=l[h[3]],I=t(b),P=t(y),O=0;O<=b;O++){C[0]=(x[0]*(b-O)+T[0]*O)/b|0;C[1]=(x[1]*(b-O)+T[1]*O)/b|0;C[2]=(x[2]*(b-O)+T[2]*O)/b|0;_[0]=(A[0]*(b-O)+R[0]*O)/b|0;_[1]=(A[1]*(b-O)+R[1]*O)/b|0;_[2]=(A[2]*(b-O)+R[2]*O)/b|0;for(var E=0;E<=y;E++,w++)if(0!==O&&O!==b||0!==E&&E!==y){for(var B=0,D=0,M=0,L=0;L<=3;L++)for(var N=0;N<=3;N++,M++){var U=I[O][L]*P[E][N];B+=c[u[M]][0]*U;D+=c[u[M]][1]*U}S[w]=c.length;c.push([B,D]);k[w]=l.length;var j=new Uint8Array(3);j[0]=(C[0]*(y-E)+_[0]*E)/y|0;j[1]=(C[1]*(y-E)+_[1]*E)/y|0;j[2]=(C[2]*(y-E)+_[2]*E)/y|0;l.push(j)}}S[0]=u[0];k[0]=h[0];S[y]=u[3];k[y]=h[1];S[v*b]=u[12];k[v*b]=h[2];S[v*b+y]=u[15];k[v*b+y]=h[3];r.figures[a]={type:"lattice",coords:S,colors:k,verticesPerRow:v}}function updateBounds(t){for(var r=t.coords[0][0],a=t.coords[0][1],i=r,o=a,c=1,l=t.coords.length;c<l;c++){var u=t.coords[c][0],h=t.coords[c][1];r=r>u?u:r;a=a>h?h:a;i=i<u?u:i;o=o<h?h:o}t.bounds=[r,a,i,o]}function Mesh(t,r,a,l,u,h){if(!(0,c.isStream)(t))throw new i.FormatError("Mesh data is not a stream");var y=t.dict;this.matrix=r;this.shadingType=y.get("ShadingType");this.type="Pattern";var b=y.getArray("BBox");Array.isArray(b)&&4===b.length?this.bbox=i.Util.normalizeRect(b):this.bbox=null;var v=o.ColorSpace.parse({cs:y.getRaw("ColorSpace")||y.getRaw("CS"),xref:a,resources:l,pdfFunctionFactory:u,localColorSpaceCache:h});this.cs=v;this.background=y.has("Background")?v.getRgb(y.get("Background"),0):null;var S=y.getRaw("Function"),k=S?u.createFromArray(S):null;this.coords=[];this.colors=[];this.figures=[];var w=new MeshStreamReader(t,{bitsPerCoordinate:y.get("BitsPerCoordinate"),bitsPerComponent:y.get("BitsPerComponent"),bitsPerFlag:y.get("BitsPerFlag"),decode:y.getArray("Decode"),colorFn:k,colorSpace:v,numComps:k?1:v.numComps}),C=!1;switch(this.shadingType){case d:!function decodeType4Shading(t,r){for(var a=t.coords,o=t.colors,c=[],l=[],u=0;r.hasData;){var h=r.readFlag(),d=r.readCoordinate(),p=r.readComponents();if(0===u){if(!(0<=h&&h<=2))throw new i.FormatError("Unknown type4 flag");switch(h){case 0:u=3;break;case 1:l.push(l[l.length-2],l[l.length-1]);u=1;break;case 2:l.push(l[l.length-3],l[l.length-1]);u=1}c.push(h)}l.push(a.length);a.push(d);o.push(p);u--;r.align()}t.figures.push({type:"triangles",coords:new Int32Array(l),colors:new Int32Array(l)})}(this,w);break;case p:var _=0|y.get("VerticesPerRow");if(_<2)throw new i.FormatError("Invalid VerticesPerRow");!function decodeType5Shading(t,r,a){for(var i=t.coords,o=t.colors,c=[];r.hasData;){var l=r.readCoordinate(),u=r.readComponents();c.push(i.length);i.push(l);o.push(u)}t.figures.push({type:"lattice",coords:new Int32Array(c),colors:new Int32Array(c),verticesPerRow:a})}(this,w,_);break;case m:!function decodeType6Shading(t,r){for(var a=t.coords,o=t.colors,c=new Int32Array(16),l=new Int32Array(4);r.hasData;){var u,h,d=r.readFlag();if(!(0<=d&&d<=3))throw new i.FormatError("Unknown type6 flag");var p=a.length;for(u=0,h=0!==d?8:12;u<h;u++)a.push(r.readCoordinate());var m,g,y,b,v=o.length;for(u=0,h=0!==d?2:4;u<h;u++)o.push(r.readComponents());switch(d){case 0:c[12]=p+3;c[13]=p+4;c[14]=p+5;c[15]=p+6;c[8]=p+2;c[11]=p+7;c[4]=p+1;c[7]=p+8;c[0]=p;c[1]=p+11;c[2]=p+10;c[3]=p+9;l[2]=v+1;l[3]=v+2;l[0]=v;l[1]=v+3;break;case 1:m=c[12];g=c[13];y=c[14];b=c[15];c[12]=b;c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=y;c[11]=p+3;c[4]=g;c[7]=p+4;c[0]=m;c[1]=p+7;c[2]=p+6;c[3]=p+5;m=l[2];g=l[3];l[2]=g;l[3]=v;l[0]=m;l[1]=v+1;break;case 2:m=c[15];g=c[11];c[12]=c[3];c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=c[7];c[11]=p+3;c[4]=g;c[7]=p+4;c[0]=m;c[1]=p+7;c[2]=p+6;c[3]=p+5;m=l[3];l[2]=l[1];l[3]=v;l[0]=m;l[1]=v+1;break;case 3:c[12]=c[0];c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=c[1];c[11]=p+3;c[4]=c[2];c[7]=p+4;c[0]=c[3];c[1]=p+7;c[2]=p+6;c[3]=p+5;l[2]=l[0];l[3]=v;l[0]=l[1];l[1]=v+1}c[5]=a.length;a.push([(-4*a[c[0]][0]-a[c[15]][0]+6*(a[c[4]][0]+a[c[1]][0])-2*(a[c[12]][0]+a[c[3]][0])+3*(a[c[13]][0]+a[c[7]][0]))/9,(-4*a[c[0]][1]-a[c[15]][1]+6*(a[c[4]][1]+a[c[1]][1])-2*(a[c[12]][1]+a[c[3]][1])+3*(a[c[13]][1]+a[c[7]][1]))/9]);c[6]=a.length;a.push([(-4*a[c[3]][0]-a[c[12]][0]+6*(a[c[2]][0]+a[c[7]][0])-2*(a[c[0]][0]+a[c[15]][0])+3*(a[c[4]][0]+a[c[14]][0]))/9,(-4*a[c[3]][1]-a[c[12]][1]+6*(a[c[2]][1]+a[c[7]][1])-2*(a[c[0]][1]+a[c[15]][1])+3*(a[c[4]][1]+a[c[14]][1]))/9]);c[9]=a.length;a.push([(-4*a[c[12]][0]-a[c[3]][0]+6*(a[c[8]][0]+a[c[13]][0])-2*(a[c[0]][0]+a[c[15]][0])+3*(a[c[11]][0]+a[c[1]][0]))/9,(-4*a[c[12]][1]-a[c[3]][1]+6*(a[c[8]][1]+a[c[13]][1])-2*(a[c[0]][1]+a[c[15]][1])+3*(a[c[11]][1]+a[c[1]][1]))/9]);c[10]=a.length;a.push([(-4*a[c[15]][0]-a[c[0]][0]+6*(a[c[11]][0]+a[c[14]][0])-2*(a[c[12]][0]+a[c[3]][0])+3*(a[c[2]][0]+a[c[8]][0]))/9,(-4*a[c[15]][1]-a[c[0]][1]+6*(a[c[11]][1]+a[c[14]][1])-2*(a[c[12]][1]+a[c[3]][1])+3*(a[c[2]][1]+a[c[8]][1]))/9]);t.figures.push({type:"patch",coords:new Int32Array(c),colors:new Int32Array(l)})}}(this,w);C=!0;break;case g:!function decodeType7Shading(t,r){for(var a=t.coords,o=t.colors,c=new Int32Array(16),l=new Int32Array(4);r.hasData;){var u,h,d=r.readFlag();if(!(0<=d&&d<=3))throw new i.FormatError("Unknown type7 flag");var p=a.length;for(u=0,h=0!==d?12:16;u<h;u++)a.push(r.readCoordinate());var m,g,y,b,v=o.length;for(u=0,h=0!==d?2:4;u<h;u++)o.push(r.readComponents());switch(d){case 0:c[12]=p+3;c[13]=p+4;c[14]=p+5;c[15]=p+6;c[8]=p+2;c[9]=p+13;c[10]=p+14;c[11]=p+7;c[4]=p+1;c[5]=p+12;c[6]=p+15;c[7]=p+8;c[0]=p;c[1]=p+11;c[2]=p+10;c[3]=p+9;l[2]=v+1;l[3]=v+2;l[0]=v;l[1]=v+3;break;case 1:m=c[12];g=c[13];y=c[14];b=c[15];c[12]=b;c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=y;c[9]=p+9;c[10]=p+10;c[11]=p+3;c[4]=g;c[5]=p+8;c[6]=p+11;c[7]=p+4;c[0]=m;c[1]=p+7;c[2]=p+6;c[3]=p+5;m=l[2];g=l[3];l[2]=g;l[3]=v;l[0]=m;l[1]=v+1;break;case 2:m=c[15];g=c[11];c[12]=c[3];c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=c[7];c[9]=p+9;c[10]=p+10;c[11]=p+3;c[4]=g;c[5]=p+8;c[6]=p+11;c[7]=p+4;c[0]=m;c[1]=p+7;c[2]=p+6;c[3]=p+5;m=l[3];l[2]=l[1];l[3]=v;l[0]=m;l[1]=v+1;break;case 3:c[12]=c[0];c[13]=p+0;c[14]=p+1;c[15]=p+2;c[8]=c[1];c[9]=p+9;c[10]=p+10;c[11]=p+3;c[4]=c[2];c[5]=p+8;c[6]=p+11;c[7]=p+4;c[0]=c[3];c[1]=p+7;c[2]=p+6;c[3]=p+5;l[2]=l[0];l[3]=v;l[0]=l[1];l[1]=v+1}t.figures.push({type:"patch",coords:new Int32Array(c),colors:new Int32Array(l)})}}(this,w);C=!0;break;default:(0,i.unreachable)("Unsupported mesh type.")}if(C){updateBounds(this);for(var x=0,A=this.figures.length;x<A;x++)buildFigureFromPatch(this,x)}updateBounds(this);!function packData(t){var r,a,i,o,c=t.coords,l=new Float32Array(2*c.length);for(r=0,i=0,a=c.length;r<a;r++){var u=c[r];l[i++]=u[0];l[i++]=u[1]}t.coords=l;var h=t.colors,d=new Uint8Array(3*h.length);for(r=0,i=0,a=h.length;r<a;r++){var p=h[r];d[i++]=p[0];d[i++]=p[1];d[i++]=p[2]}t.colors=d;var m=t.figures;for(r=0,a=m.length;r<a;r++){var g=m[r],y=g.coords,b=g.colors;for(i=0,o=y.length;i<o;i++){y[i]*=2;b[i]*=3}}}(this)}Mesh.prototype={getIR:function Mesh_getIR(){return["Mesh",this.shadingType,this.coords,this.colors,this.figures,this.bounds,this.matrix,this.bbox,this.background]}};return Mesh}();b.Dummy=function DummyClosure(){function Dummy(){this.type="Pattern"}Dummy.prototype={getIR:function Dummy_getIR(){return["Dummy"]}};return Dummy}()},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.isPDFFunction=function isPDFFunction(t){var r;if("object"!==_typeof(t))return!1;if((0,i.isDict)(t))r=t;else{if(!(0,i.isStream)(t))return!1;r=t.dict}return r.has("FunctionType")};r.PostScriptCompiler=r.PostScriptEvaluator=r.PDFFunctionFactory=void 0;var i=a(202),o=a(5),c=a(238),l=a(221);function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}var u=function(){function PDFFunctionFactory(t){var r=t.xref,a=t.isEvalSupported,i=void 0===a||a;!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,PDFFunctionFactory);this.xref=r;this.isEvalSupported=!1!==i;this._localFunctionCache=null}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(PDFFunctionFactory,[{key:"create",value:function create(t){var r=this.getCached(t);if(r)return r;var a=h.parse({xref:this.xref,isEvalSupported:this.isEvalSupported,fn:t instanceof i.Ref?this.xref.fetch(t):t});this._cache(t,a);return a}},{key:"createFromArray",value:function createFromArray(t){var r=this.getCached(t);if(r)return r;var a=h.parseArray({xref:this.xref,isEvalSupported:this.isEvalSupported,fnObj:t instanceof i.Ref?this.xref.fetch(t):t});this._cache(t,a);return a}},{key:"getCached",value:function getCached(t){var r;t instanceof i.Ref?r=t:t instanceof i.Dict?r=t.objId:(0,i.isStream)(t)&&(r=t.dict&&t.dict.objId);if(r){this._localFunctionCache||(this._localFunctionCache=new l.LocalFunctionCache);var a=this._localFunctionCache.getByRef(r);if(a)return a}return null}},{key:"_cache",value:function _cache(t,r){if(!r)throw new Error('PDFFunctionFactory._cache - expected "parsedFunction" argument.');var a;t instanceof i.Ref?a=t:t instanceof i.Dict?a=t.objId:(0,i.isStream)(t)&&(a=t.dict&&t.dict.objId);if(a){this._localFunctionCache||(this._localFunctionCache=new l.LocalFunctionCache);this._localFunctionCache.set(null,a,r)}}}]);return PDFFunctionFactory}();r.PDFFunctionFactory=u;function toNumberArray(t){if(!Array.isArray(t))return null;for(var r=t.length,a=0;a<r;a++)if("number"!=typeof t[a]){for(var i=new Array(r),o=0;o<r;o++)i[o]=+t[o];return i}return t}var h=function PDFFunctionClosure(){return{getSampleArray:function getSampleArray(t,r,a,i){var o,c,l=1;for(o=0,c=t.length;o<c;o++)l*=t[o];l*=r;var u=new Array(l),h=0,d=0,p=1/(Math.pow(2,a)-1),m=i.getBytes((l*a+7)/8),g=0;for(o=0;o<l;o++){for(;h<a;){d<<=8;d|=m[g++];h+=8}h-=a;u[o]=(d>>h)*p;d&=(1<<h)-1}return u},getIR:function getIR(t){var r=t.xref,a=t.isEvalSupported,i=t.fn,c=i.dict;c||(c=i);var l=[this.constructSampled,null,this.constructInterpolated,this.constructStiched,this.constructPostScript][c.get("FunctionType")];if(!l)throw new o.FormatError("Unknown type of function");return l.call(this,{xref:r,isEvalSupported:a,fn:i,dict:c})},fromIR:function fromIR(t){var r=t.xref,a=t.isEvalSupported,i=t.IR;switch(i[0]){case 0:return this.constructSampledFromIR({xref:r,isEvalSupported:a,IR:i});case 2:return this.constructInterpolatedFromIR({xref:r,isEvalSupported:a,IR:i});case 3:return this.constructStichedFromIR({xref:r,isEvalSupported:a,IR:i});default:return this.constructPostScriptFromIR({xref:r,isEvalSupported:a,IR:i})}},parse:function parse(t){var r=t.xref,a=t.isEvalSupported,i=t.fn,o=this.getIR({xref:r,isEvalSupported:a,fn:i});return this.fromIR({xref:r,isEvalSupported:a,IR:o})},parseArray:function parseArray(t){var r=t.xref,a=t.isEvalSupported,i=t.fnObj;if(!Array.isArray(i))return this.parse({xref:r,isEvalSupported:a,fn:i});for(var o=[],c=0,l=i.length;c<l;c++)o.push(this.parse({xref:r,isEvalSupported:a,fn:r.fetchIfRef(i[c])}));return function(t,r,a,i){for(var c=0,l=o.length;c<l;c++)o[c](t,r,a,i+c)}},constructSampled:function constructSampled(t){t.xref,t.isEvalSupported;var r=t.fn,a=t.dict;function toMultiArray(t){for(var r=t.length,a=[],i=0,o=0;o<r;o+=2){a[i]=[t[o],t[o+1]];++i}return a}var i=toNumberArray(a.getArray("Domain")),c=toNumberArray(a.getArray("Range"));if(!i||!c)throw new o.FormatError("No domain or range");var l=i.length/2,u=c.length/2;i=toMultiArray(i);c=toMultiArray(c);var h=toNumberArray(a.getArray("Size")),d=a.get("BitsPerSample"),p=a.get("Order")||1;1!==p&&(0,o.info)("No support for cubic spline interpolation: "+p);var m=toNumberArray(a.getArray("Encode"));if(m)m=toMultiArray(m);else{m=[];for(var g=0;g<l;++g)m.push([0,h[g]-1])}var y=toNumberArray(a.getArray("Decode"));return[0,l,i,m,y=y?toMultiArray(y):c,this.getSampleArray(h,u,d,r),h,u,Math.pow(2,d)-1,c]},constructSampledFromIR:function constructSampledFromIR(t){t.xref,t.isEvalSupported;var r=t.IR;function interpolate(t,r,a,i,o){return i+(o-i)/(a-r)*(t-r)}return function constructSampledFromIRResult(t,a,i,o){var c,l,u=r[1],h=r[2],d=r[3],p=r[4],m=r[5],g=r[6],y=r[7],b=r[9],v=1<<u,S=new Float64Array(v),k=new Uint32Array(v);for(l=0;l<v;l++)S[l]=1;var w=y,C=1;for(c=0;c<u;++c){var _=h[c][0],x=h[c][1],A=interpolate(Math.min(Math.max(t[a+c],_),x),_,x,d[c][0],d[c][1]),T=g[c],R=(A=Math.min(Math.max(A,0),T-1))<T-1?Math.floor(A):A-1,I=R+1-A,P=A-R,O=R*w,E=O+w;for(l=0;l<v;l++)if(l&C){S[l]*=P;k[l]+=E}else{S[l]*=I;k[l]+=O}w*=T;C<<=1}for(l=0;l<y;++l){var B=0;for(c=0;c<v;c++)B+=m[k[c]+l]*S[c];B=interpolate(B,0,1,p[l][0],p[l][1]);i[o+l]=Math.min(Math.max(B,b[l][0]),b[l][1])}}},constructInterpolated:function constructInterpolated(t){t.xref,t.isEvalSupported,t.fn;for(var r=t.dict,a=toNumberArray(r.getArray("C0"))||[0],i=toNumberArray(r.getArray("C1"))||[1],o=r.get("N"),c=a.length,l=[],u=0;u<c;++u)l.push(i[u]-a[u]);return[2,a,l,o]},constructInterpolatedFromIR:function constructInterpolatedFromIR(t){t.xref,t.isEvalSupported;var r=t.IR,a=r[1],i=r[2],o=r[3],c=i.length;return function constructInterpolatedFromIRResult(t,r,l,u){for(var h=1===o?t[r]:Math.pow(t[r],o),d=0;d<c;++d)l[u+d]=a[d]+h*i[d]}},constructStiched:function constructStiched(t){var r=t.xref,a=t.isEvalSupported,i=(t.fn,t.dict),c=toNumberArray(i.getArray("Domain"));if(!c)throw new o.FormatError("No domain");if(1!==c.length/2)throw new o.FormatError("Bad domain for stiched function");for(var l=i.get("Functions"),u=[],h=0,d=l.length;h<d;++h)u.push(this.parse({xref:r,isEvalSupported:a,fn:r.fetchIfRef(l[h])}));return[3,c,toNumberArray(i.getArray("Bounds")),toNumberArray(i.getArray("Encode")),u]},constructStichedFromIR:function constructStichedFromIR(t){t.xref,t.isEvalSupported;var r=t.IR,a=r[1],i=r[2],o=r[3],c=r[4],l=new Float32Array(1);return function constructStichedFromIRResult(t,r,u,h){for(var d=function constructStichedFromIRClip(t,r,a){t>a?t=a:t<r&&(t=r);return t}(t[r],a[0],a[1]),p=0,m=i.length;p<m&&!(d<i[p]);++p);var g=a[0];p>0&&(g=i[p-1]);var y=a[1];p<i.length&&(y=i[p]);var b=o[2*p],v=o[2*p+1];l[0]=g===y?b:b+(d-g)*(v-b)/(y-g);c[p](l,0,u,h)}},constructPostScript:function constructPostScript(t){t.xref,t.isEvalSupported;var r=t.fn,a=t.dict,i=toNumberArray(a.getArray("Domain")),l=toNumberArray(a.getArray("Range"));if(!i)throw new o.FormatError("No domain.");if(!l)throw new o.FormatError("No range.");var u=new c.PostScriptLexer(r);return[4,i,l,new c.PostScriptParser(u).parse()]},constructPostScriptFromIR:function constructPostScriptFromIR(t){t.xref;var r=t.isEvalSupported,a=t.IR,i=a[1],c=a[2],l=a[3];if(r&&o.IsEvalSupportedCached.value){var u=(new m).compile(l,i,c);if(u)return new Function("src","srcOffset","dest","destOffset",u)}(0,o.info)("Unable to compile PS function");var h=c.length>>1,d=i.length>>1,g=new p(l),y=Object.create(null),b=8192,v=new Float32Array(d);return function constructPostScriptFromIRResult(t,r,a,i){var o,l,u="",p=v;for(o=0;o<d;o++){l=t[r+o];p[o]=l;u+=l+"_"}var m=y[u];if(void 0===m){var S=new Float32Array(h),k=g.execute(p),w=k.length-h;for(o=0;o<h;o++){l=k[w+o];var C=c[2*o];(l<C||l>(C=c[2*o+1]))&&(l=C);S[o]=l}if(b>0){b--;y[u]=S}a.set(S,i)}else a.set(m,i)}}}}();var d=function PostScriptStackClosure(){function PostScriptStack(t){this.stack=t?Array.prototype.slice.call(t,0):[]}PostScriptStack.prototype={push:function PostScriptStack_push(t){if(this.stack.length>=100)throw new Error("PostScript function stack overflow.");this.stack.push(t)},pop:function PostScriptStack_pop(){if(this.stack.length<=0)throw new Error("PostScript function stack underflow.");return this.stack.pop()},copy:function PostScriptStack_copy(t){if(this.stack.length+t>=100)throw new Error("PostScript function stack overflow.");for(var r=this.stack,a=r.length-t,i=t-1;i>=0;i--,a++)r.push(r[a])},index:function PostScriptStack_index(t){this.push(this.stack[this.stack.length-t-1])},roll:function PostScriptStack_roll(t,r){var a,i,o,c=this.stack,l=c.length-t,u=c.length-1,h=l+(r-Math.floor(r/t)*t);for(a=l,i=u;a<i;a++,i--){o=c[a];c[a]=c[i];c[i]=o}for(a=l,i=h-1;a<i;a++,i--){o=c[a];c[a]=c[i];c[i]=o}for(a=h,i=u;a<i;a++,i--){o=c[a];c[a]=c[i];c[i]=o}}};return PostScriptStack}(),p=function PostScriptEvaluatorClosure(){function PostScriptEvaluator(t){this.operators=t}PostScriptEvaluator.prototype={execute:function PostScriptEvaluator_execute(t){for(var r,a,i,c=new d(t),l=0,u=this.operators,h=u.length;l<h;)if("number"!=typeof(r=u[l++]))switch(r){case"jz":i=c.pop();(a=c.pop())||(l=i);break;case"j":l=a=c.pop();break;case"abs":a=c.pop();c.push(Math.abs(a));break;case"add":i=c.pop();a=c.pop();c.push(a+i);break;case"and":i=c.pop();a=c.pop();(0,o.isBool)(a)&&(0,o.isBool)(i)?c.push(a&&i):c.push(a&i);break;case"atan":a=c.pop();c.push(Math.atan(a));break;case"bitshift":i=c.pop();(a=c.pop())>0?c.push(a<<i):c.push(a>>i);break;case"ceiling":a=c.pop();c.push(Math.ceil(a));break;case"copy":a=c.pop();c.copy(a);break;case"cos":a=c.pop();c.push(Math.cos(a));break;case"cvi":a=0|c.pop();c.push(a);break;case"cvr":break;case"div":i=c.pop();a=c.pop();c.push(a/i);break;case"dup":c.copy(1);break;case"eq":i=c.pop();a=c.pop();c.push(a===i);break;case"exch":c.roll(2,1);break;case"exp":i=c.pop();a=c.pop();c.push(Math.pow(a,i));break;case"false":c.push(!1);break;case"floor":a=c.pop();c.push(Math.floor(a));break;case"ge":i=c.pop();a=c.pop();c.push(a>=i);break;case"gt":i=c.pop();a=c.pop();c.push(a>i);break;case"idiv":i=c.pop();a=c.pop();c.push(a/i|0);break;case"index":a=c.pop();c.index(a);break;case"le":i=c.pop();a=c.pop();c.push(a<=i);break;case"ln":a=c.pop();c.push(Math.log(a));break;case"log":a=c.pop();c.push(Math.log(a)/Math.LN10);break;case"lt":i=c.pop();a=c.pop();c.push(a<i);break;case"mod":i=c.pop();a=c.pop();c.push(a%i);break;case"mul":i=c.pop();a=c.pop();c.push(a*i);break;case"ne":i=c.pop();a=c.pop();c.push(a!==i);break;case"neg":a=c.pop();c.push(-a);break;case"not":a=c.pop();(0,o.isBool)(a)?c.push(!a):c.push(~a);break;case"or":i=c.pop();a=c.pop();(0,o.isBool)(a)&&(0,o.isBool)(i)?c.push(a||i):c.push(a|i);break;case"pop":c.pop();break;case"roll":i=c.pop();a=c.pop();c.roll(a,i);break;case"round":a=c.pop();c.push(Math.round(a));break;case"sin":a=c.pop();c.push(Math.sin(a));break;case"sqrt":a=c.pop();c.push(Math.sqrt(a));break;case"sub":i=c.pop();a=c.pop();c.push(a-i);break;case"true":c.push(!0);break;case"truncate":a=(a=c.pop())<0?Math.ceil(a):Math.floor(a);c.push(a);break;case"xor":i=c.pop();a=c.pop();(0,o.isBool)(a)&&(0,o.isBool)(i)?c.push(a!==i):c.push(a^i);break;default:throw new o.FormatError("Unknown operator ".concat(r))}else c.push(r);return c.stack}};return PostScriptEvaluator}();r.PostScriptEvaluator=p;var m=function PostScriptCompilerClosure(){function AstNode(t){this.type=t}AstNode.prototype.visit=function(t){(0,o.unreachable)("abstract method")};function AstArgument(t,r,a){AstNode.call(this,"args");this.index=t;this.min=r;this.max=a}AstArgument.prototype=Object.create(AstNode.prototype);AstArgument.prototype.visit=function(t){t.visitArgument(this)};function AstLiteral(t){AstNode.call(this,"literal");this.number=t;this.min=t;this.max=t}AstLiteral.prototype=Object.create(AstNode.prototype);AstLiteral.prototype.visit=function(t){t.visitLiteral(this)};function AstBinaryOperation(t,r,a,i,o){AstNode.call(this,"binary");this.op=t;this.arg1=r;this.arg2=a;this.min=i;this.max=o}AstBinaryOperation.prototype=Object.create(AstNode.prototype);AstBinaryOperation.prototype.visit=function(t){t.visitBinaryOperation(this)};function AstMin(t,r){AstNode.call(this,"max");this.arg=t;this.min=t.min;this.max=r}AstMin.prototype=Object.create(AstNode.prototype);AstMin.prototype.visit=function(t){t.visitMin(this)};function AstVariable(t,r,a){AstNode.call(this,"var");this.index=t;this.min=r;this.max=a}AstVariable.prototype=Object.create(AstNode.prototype);AstVariable.prototype.visit=function(t){t.visitVariable(this)};function AstVariableDefinition(t,r){AstNode.call(this,"definition");this.variable=t;this.arg=r}AstVariableDefinition.prototype=Object.create(AstNode.prototype);AstVariableDefinition.prototype.visit=function(t){t.visitVariableDefinition(this)};function ExpressionBuilderVisitor(){this.parts=[]}ExpressionBuilderVisitor.prototype={visitArgument:function visitArgument(t){this.parts.push("Math.max(",t.min,", Math.min(",t.max,", src[srcOffset + ",t.index,"]))")},visitVariable:function visitVariable(t){this.parts.push("v",t.index)},visitLiteral:function visitLiteral(t){this.parts.push(t.number)},visitBinaryOperation:function visitBinaryOperation(t){this.parts.push("(");t.arg1.visit(this);this.parts.push(" ",t.op," ");t.arg2.visit(this);this.parts.push(")")},visitVariableDefinition:function visitVariableDefinition(t){this.parts.push("var ");t.variable.visit(this);this.parts.push(" = ");t.arg.visit(this);this.parts.push(";")},visitMin:function visitMin(t){this.parts.push("Math.min(");t.arg.visit(this);this.parts.push(", ",t.max,")")},toString:function toString(){return this.parts.join("")}};function buildAddOperation(t,r){return"literal"===r.type&&0===r.number?t:"literal"===t.type&&0===t.number?r:"literal"===r.type&&"literal"===t.type?new AstLiteral(t.number+r.number):new AstBinaryOperation("+",t,r,t.min+r.min,t.max+r.max)}function buildMulOperation(t,r){if("literal"===r.type){if(0===r.number)return new AstLiteral(0);if(1===r.number)return t;if("literal"===t.type)return new AstLiteral(t.number*r.number)}if("literal"===t.type){if(0===t.number)return new AstLiteral(0);if(1===t.number)return r}return new AstBinaryOperation("*",t,r,Math.min(t.min*r.min,t.min*r.max,t.max*r.min,t.max*r.max),Math.max(t.min*r.min,t.min*r.max,t.max*r.min,t.max*r.max))}function buildSubOperation(t,r){if("literal"===r.type){if(0===r.number)return t;if("literal"===t.type)return new AstLiteral(t.number-r.number)}return"binary"===r.type&&"-"===r.op&&"literal"===t.type&&1===t.number&&"literal"===r.arg1.type&&1===r.arg1.number?r.arg2:new AstBinaryOperation("-",t,r,t.min-r.max,t.max-r.min)}function buildMinOperation(t,r){return t.min>=r?new AstLiteral(r):t.max<=r?t:new AstMin(t,r)}function PostScriptCompiler(){}PostScriptCompiler.prototype={compile:function PostScriptCompiler_compile(t,r,a){for(var i,o,c,l,u,h,d,p,m=[],g=[],y=r.length>>1,b=a.length>>1,v=0,S=0;S<y;S++)m.push(new AstArgument(S,r[2*S],r[2*S+1]));for(var 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94;t.braceex=494;t.angleright=329;t.integral=274;t.integraltp=686;t.integralex=686;t.integralbt=686;t.parenrighttp=384;t.parenrightex=384;t.parenrightbt=384;t.bracketrighttp=384;t.bracketrightex=384;t.bracketrightbt=384;t.bracerighttp=494;t.bracerightmid=494;t.bracerightbt=494;t.apple=790}));t["Times-Roman"]=(0,i.getLookupTableFactory)((function(t){t.space=250;t.exclam=333;t.quotedbl=408;t.numbersign=500;t.dollar=500;t.percent=833;t.ampersand=778;t.quoteright=333;t.parenleft=333;t.parenright=333;t.asterisk=500;t.plus=564;t.comma=250;t.hyphen=333;t.period=250;t.slash=278;t.zero=500;t.one=500;t.two=500;t.three=500;t.four=500;t.five=500;t.six=500;t.seven=500;t.eight=500;t.nine=500;t.colon=278;t.semicolon=278;t.less=564;t.equal=564;t.greater=564;t.question=444;t.at=921;t.A=722;t.B=667;t.C=667;t.D=722;t.E=611;t.F=556;t.G=722;t.H=722;t.I=333;t.J=389;t.K=722;t.L=611;t.M=889;t.N=722;t.O=722;t.P=556;t.Q=722;t.R=667;t.S=556;t.T=611;t.U=722;t.V=722;t.W=944;t.X=722;t.Y=722;t.Z=611;t.bracketleft=333;t.backslash=278;t.bracketright=333;t.asciicircum=469;t.underscore=500;t.quoteleft=333;t.a=444;t.b=500;t.c=444;t.d=500;t.e=444;t.f=333;t.g=500;t.h=500;t.i=278;t.j=278;t.k=500;t.l=278;t.m=778;t.n=500;t.o=500;t.p=500;t.q=500;t.r=333;t.s=389;t.t=278;t.u=500;t.v=500;t.w=722;t.x=500;t.y=500;t.z=444;t.braceleft=480;t.bar=200;t.braceright=480;t.asciitilde=541;t.exclamdown=333;t.cent=500;t.sterling=500;t.fraction=167;t.yen=500;t.florin=500;t.section=500;t.currency=500;t.quotesingle=180;t.quotedblleft=444;t.guillemotleft=500;t.guilsinglleft=333;t.guilsinglright=333;t.fi=556;t.fl=556;t.endash=500;t.dagger=500;t.daggerdbl=500;t.periodcentered=250;t.paragraph=453;t.bullet=350;t.quotesinglbase=333;t.quotedblbase=444;t.quotedblright=444;t.guillemotright=500;t.ellipsis=1e3;t.perthousand=1e3;t.questiondown=444;t.grave=333;t.acute=333;t.circumflex=333;t.tilde=333;t.macron=333;t.breve=333;t.dotaccent=333;t.dieresis=333;t.ring=333;t.cedilla=333;t.hungarumlaut=333;t.ogonek=333;t.caron=333;t.emdash=1e3;t.AE=889;t.ordfeminine=276;t.Lslash=611;t.Oslash=722;t.OE=889;t.ordmasculine=310;t.ae=667;t.dotlessi=278;t.lslash=278;t.oslash=500;t.oe=722;t.germandbls=500;t.Idieresis=333;t.eacute=444;t.abreve=444;t.uhungarumlaut=500;t.ecaron=444;t.Ydieresis=722;t.divide=564;t.Yacute=722;t.Acircumflex=722;t.aacute=444;t.Ucircumflex=722;t.yacute=500;t.scommaaccent=389;t.ecircumflex=444;t.Uring=722;t.Udieresis=722;t.aogonek=444;t.Uacute=722;t.uogonek=500;t.Edieresis=611;t.Dcroat=722;t.commaaccent=250;t.copyright=760;t.Emacron=611;t.ccaron=444;t.aring=444;t.Ncommaaccent=722;t.lacute=278;t.agrave=444;t.Tcommaaccent=611;t.Cacute=667;t.atilde=444;t.Edotaccent=611;t.scaron=389;t.scedilla=389;t.iacute=278;t.lozenge=471;t.Rcaron=667;t.Gcommaaccent=722;t.ucircumflex=500;t.acircumflex=444;t.Amacron=722;t.rcaron=333;t.ccedilla=444;t.Zdotaccent=611;t.Thorn=556;t.Omacron=722;t.Racute=667;t.Sacute=556;t.dcaron=588;t.Umacron=722;t.uring=500;t.threesuperior=300;t.Ograve=722;t.Agrave=722;t.Abreve=722;t.multiply=564;t.uacute=500;t.Tcaron=611;t.partialdiff=476;t.ydieresis=500;t.Nacute=722;t.icircumflex=278;t.Ecircumflex=611;t.adieresis=444;t.edieresis=444;t.cacute=444;t.nacute=500;t.umacron=500;t.Ncaron=722;t.Iacute=333;t.plusminus=564;t.brokenbar=200;t.registered=760;t.Gbreve=722;t.Idotaccent=333;t.summation=600;t.Egrave=611;t.racute=333;t.omacron=500;t.Zacute=611;t.Zcaron=611;t.greaterequal=549;t.Eth=722;t.Ccedilla=667;t.lcommaaccent=278;t.tcaron=326;t.eogonek=444;t.Uogonek=722;t.Aacute=722;t.Adieresis=722;t.egrave=444;t.zacute=444;t.iogonek=278;t.Oacute=722;t.oacute=500;t.amacron=444;t.sacute=389;t.idieresis=278;t.Ocircumflex=722;t.Ugrave=722;t.Delta=612;t.thorn=500;t.twosuperior=300;t.Odieresis=722;t.mu=500;t.igrave=278;t.ohungarumlaut=500;t.Eogonek=611;t.dcroat=500;t.threequarters=750;t.Scedilla=556;t.lcaron=344;t.Kcommaaccent=722;t.Lacute=611;t.trademark=980;t.edotaccent=444;t.Igrave=333;t.Imacron=333;t.Lcaron=611;t.onehalf=750;t.lessequal=549;t.ocircumflex=500;t.ntilde=500;t.Uhungarumlaut=722;t.Eacute=611;t.emacron=444;t.gbreve=500;t.onequarter=750;t.Scaron=556;t.Scommaaccent=556;t.Ohungarumlaut=722;t.degree=400;t.ograve=500;t.Ccaron=667;t.ugrave=500;t.radical=453;t.Dcaron=722;t.rcommaaccent=333;t.Ntilde=722;t.otilde=500;t.Rcommaaccent=667;t.Lcommaaccent=611;t.Atilde=722;t.Aogonek=722;t.Aring=722;t.Otilde=722;t.zdotaccent=444;t.Ecaron=611;t.Iogonek=333;t.kcommaaccent=500;t.minus=564;t.Icircumflex=333;t.ncaron=500;t.tcommaaccent=278;t.logicalnot=564;t.odieresis=500;t.udieresis=500;t.notequal=549;t.gcommaaccent=500;t.eth=500;t.zcaron=444;t.ncommaaccent=500;t.onesuperior=300;t.imacron=278;t.Euro=500}));t["Times-Bold"]=(0,i.getLookupTableFactory)((function(t){t.space=250;t.exclam=333;t.quotedbl=555;t.numbersign=500;t.dollar=500;t.percent=1e3;t.ampersand=833;t.quoteright=333;t.parenleft=333;t.parenright=333;t.asterisk=500;t.plus=570;t.comma=250;t.hyphen=333;t.period=250;t.slash=278;t.zero=500;t.one=500;t.two=500;t.three=500;t.four=500;t.five=500;t.six=500;t.seven=500;t.eight=500;t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lde=570;t.exclamdown=389;t.cent=500;t.sterling=500;t.fraction=167;t.yen=500;t.florin=500;t.section=500;t.currency=500;t.quotesingle=278;t.quotedblleft=500;t.guillemotleft=500;t.guilsinglleft=333;t.guilsinglright=333;t.fi=556;t.fl=556;t.endash=500;t.dagger=500;t.daggerdbl=500;t.periodcentered=250;t.paragraph=500;t.bullet=350;t.quotesinglbase=333;t.quotedblbase=500;t.quotedblright=500;t.guillemotright=500;t.ellipsis=1e3;t.perthousand=1e3;t.questiondown=500;t.grave=333;t.acute=333;t.circumflex=333;t.tilde=333;t.macron=333;t.breve=333;t.dotaccent=333;t.dieresis=333;t.ring=333;t.cedilla=333;t.hungarumlaut=333;t.ogonek=333;t.caron=333;t.emdash=1e3;t.AE=944;t.ordfeminine=266;t.Lslash=611;t.Oslash=722;t.OE=944;t.ordmasculine=300;t.ae=722;t.dotlessi=278;t.lslash=278;t.oslash=500;t.oe=722;t.germandbls=500;t.Idieresis=389;t.eacute=444;t.abreve=500;t.uhungarumlaut=556;t.ecaron=444;t.Ydieresis=611;t.divide=570;t.Yacute=611;t.Acircumflex=667;t.aacute=500;t.Ucircumflex=722;t.yacute=444;t.scommaaccent=389;t.ecircumflex=444;t.Uring=722;t.Udieresis=722;t.aogonek=500;t.Uacute=722;t.uogonek=556;t.Edieresis=667;t.Dcroat=722;t.commaaccent=250;t.copyright=747;t.Emacron=667;t.ccaron=444;t.aring=500;t.Ncommaaccent=722;t.lacute=278;t.agrave=500;t.Tcommaaccent=611;t.Cacute=667;t.atilde=500;t.Edotaccent=667;t.scaron=389;t.scedilla=389;t.iacute=278;t.lozenge=494;t.Rcaron=667;t.Gcommaaccent=722;t.ucircumflex=556;t.acircumflex=500;t.Amacron=667;t.rcaron=389;t.ccedilla=444;t.Zdotaccent=611;t.Thorn=611;t.Omacron=722;t.Racute=667;t.Sacute=556;t.dcaron=608;t.Umacron=722;t.uring=556;t.threesuperior=300;t.Ograve=722;t.Agrave=667;t.Abreve=667;t.multiply=570;t.uacute=556;t.Tcaron=611;t.partialdiff=494;t.ydieresis=444;t.Nacute=722;t.icircumflex=278;t.Ecircumflex=667;t.adieresis=500;t.edieresis=444;t.cacute=444;t.nacute=556;t.umacron=556;t.Ncaron=722;t.Iacute=389;t.plusminus=570;t.brokenbar=220;t.registered=747;t.Gbreve=722;t.Idotaccent=389;t.summation=600;t.Egrave=667;t.racute=389;t.omacron=500;t.Zacute=611;t.Zcaron=611;t.greaterequal=549;t.Eth=722;t.Ccedilla=667;t.lcommaaccent=278;t.tcaron=366;t.eogonek=444;t.Uogonek=722;t.Aacute=667;t.Adieresis=667;t.egrave=444;t.zacute=389;t.iogonek=278;t.Oacute=722;t.oacute=500;t.amacron=500;t.sacute=389;t.idieresis=278;t.Ocircumflex=722;t.Ugrave=722;t.Delta=612;t.thorn=500;t.twosuperior=300;t.Odieresis=722;t.mu=576;t.igrave=278;t.ohungarumlaut=500;t.Eogonek=667;t.dcroat=500;t.threequarters=750;t.Scedilla=556;t.lcaron=382;t.Kcommaaccent=667;t.Lacute=611;t.trademark=1e3;t.edotaccent=444;t.Igrave=389;t.Imacron=389;t.Lcaron=611;t.onehalf=750;t.lessequal=549;t.ocircumflex=500;t.ntilde=556;t.Uhungarumlaut=722;t.Eacute=667;t.emacron=444;t.gbreve=500;t.onequarter=750;t.Scaron=556;t.Scommaaccent=556;t.Ohungarumlaut=722;t.degree=400;t.ograve=500;t.Ccaron=667;t.ugrave=556;t.radical=549;t.Dcaron=722;t.rcommaaccent=389;t.Ntilde=722;t.otilde=500;t.Rcommaaccent=667;t.Lcommaaccent=611;t.Atilde=667;t.Aogonek=667;t.Aring=667;t.Otilde=722;t.zdotaccent=389;t.Ecaron=667;t.Iogonek=389;t.kcommaaccent=500;t.minus=606;t.Icircumflex=389;t.ncaron=556;t.tcommaaccent=278;t.logicalnot=606;t.odieresis=500;t.udieresis=556;t.notequal=549;t.gcommaaccent=500;t.eth=500;t.zcaron=389;t.ncommaaccent=556;t.onesuperior=300;t.imacron=278;t.Euro=500}));t["Times-Italic"]=(0,i.getLookupTableFactory)((function(t){t.space=250;t.exclam=333;t.quotedbl=420;t.numbersign=500;t.dollar=500;t.percent=833;t.ampersand=778;t.quoteright=333;t.parenleft=333;t.parenright=333;t.asterisk=500;t.plus=675;t.comma=250;t.hyphen=333;t.period=250;t.slash=278;t.zero=500;t.one=500;t.two=500;t.three=500;t.four=500;t.five=500;t.six=500;t.seven=500;t.eight=500;t.nine=500;t.colon=333;t.semicolon=333;t.less=675;t.equal=675;t.greater=675;t.question=500;t.at=920;t.A=611;t.B=611;t.C=667;t.D=722;t.E=611;t.F=611;t.G=722;t.H=722;t.I=333;t.J=444;t.K=667;t.L=556;t.M=833;t.N=667;t.O=722;t.P=611;t.Q=722;t.R=611;t.S=500;t.T=556;t.U=722;t.V=611;t.W=833;t.X=611;t.Y=556;t.Z=556;t.bracketleft=389;t.backslash=278;t.bracketright=389;t.asciicircum=422;t.underscore=500;t.quoteleft=333;t.a=500;t.b=500;t.c=444;t.d=500;t.e=444;t.f=278;t.g=500;t.h=500;t.i=278;t.j=278;t.k=444;t.l=278;t.m=722;t.n=500;t.o=500;t.p=500;t.q=500;t.r=389;t.s=389;t.t=278;t.u=500;t.v=444;t.w=667;t.x=444;t.y=444;t.z=389;t.braceleft=400;t.bar=275;t.braceright=400;t.asciitilde=541;t.exclamdown=389;t.cent=500;t.sterling=500;t.fraction=167;t.yen=500;t.florin=500;t.section=500;t.currency=500;t.quotesingle=214;t.quotedblleft=556;t.guillemotleft=500;t.guilsinglleft=333;t.guilsinglright=333;t.fi=500;t.fl=500;t.endash=500;t.dagger=500;t.daggerdbl=500;t.periodcentered=250;t.paragraph=523;t.bullet=350;t.quotesinglbase=333;t.quotedblbase=556;t.quotedblright=556;t.guillemotright=500;t.ellipsis=889;t.perthousand=1e3;t.questiondown=500;t.grave=333;t.acute=333;t.circumflex=333;t.tilde=333;t.macron=333;t.breve=333;t.dotaccent=333;t.dieresis=333;t.ring=333;t.cedilla=333;t.hungarumlaut=333;t.ogonek=333;t.caron=333;t.emdash=889;t.AE=889;t.ordfeminine=276;t.Lslash=556;t.Oslash=722;t.OE=944;t.ordmasculine=310;t.ae=667;t.dotlessi=278;t.lslash=278;t.oslash=500;t.oe=667;t.germandbls=500;t.Idieresis=333;t.eacute=444;t.abreve=500;t.uhungarumlaut=500;t.ecaron=444;t.Ydieresis=556;t.divide=675;t.Yacute=556;t.Acircumflex=611;t.aacute=500;t.Ucircumflex=722;t.yacute=444;t.scommaaccent=389;t.ecircumflex=444;t.Uring=722;t.Udieresis=722;t.aogonek=500;t.Uacute=722;t.uogonek=500;t.Edieresis=611;t.Dcroat=722;t.commaaccent=250;t.copyright=760;t.Emacron=611;t.ccaron=444;t.aring=500;t.Ncommaaccent=667;t.lacute=278;t.agrave=500;t.Tcommaaccent=556;t.Cacute=667;t.atilde=500;t.Edotaccent=611;t.scaron=389;t.scedilla=389;t.iacute=278;t.lozenge=471;t.Rcaron=611;t.Gcommaaccent=722;t.ucircumflex=500;t.acircumflex=500;t.Amacron=611;t.rcaron=389;t.ccedilla=444;t.Zdotaccent=556;t.Thorn=611;t.Omacron=722;t.Racute=611;t.Sacute=500;t.dcaron=544;t.Umacron=722;t.uring=500;t.threesuperior=300;t.Ograve=722;t.Agrave=611;t.Abreve=611;t.multiply=675;t.uacute=500;t.Tcaron=556;t.partialdiff=476;t.ydieresis=444;t.Nacute=667;t.icircumflex=278;t.Ecircumflex=611;t.adieresis=500;t.edieresis=444;t.cacute=444;t.nacute=500;t.umacron=500;t.Ncaron=667;t.Iacute=333;t.plusminus=675;t.brokenbar=275;t.registered=760;t.Gbreve=722;t.Idotaccent=333;t.summation=600;t.Egrave=611;t.racute=389;t.omacron=500;t.Zacute=556;t.Zcaron=556;t.greaterequal=549;t.Eth=722;t.Ccedilla=667;t.lcommaaccent=278;t.tcaron=300;t.eogonek=444;t.Uogonek=722;t.Aacute=611;t.Adieresis=611;t.egrave=444;t.zacute=389;t.iogonek=278;t.Oacute=722;t.oacute=500;t.amacron=500;t.sacute=389;t.idieresis=278;t.Ocircumflex=722;t.Ugrave=722;t.Delta=612;t.thorn=500;t.twosuperior=300;t.Odieresis=722;t.mu=500;t.igrave=278;t.ohungarumlaut=500;t.Eogonek=611;t.dcroat=500;t.threequarters=750;t.Scedilla=500;t.lcaron=300;t.Kcommaaccent=667;t.Lacute=556;t.trademark=980;t.edotaccent=444;t.Igrave=333;t.Imacron=333;t.Lcaron=611;t.onehalf=750;t.lessequal=549;t.ocircumflex=500;t.ntilde=500;t.Uhungarumlaut=722;t.Eacute=611;t.emacron=444;t.gbreve=500;t.onequarter=750;t.Scaron=500;t.Scommaaccent=500;t.Ohungarumlaut=722;t.degree=400;t.ograve=500;t.Ccaron=667;t.ugrave=500;t.radical=453;t.Dcaron=722;t.rcommaaccent=389;t.Ntilde=667;t.otilde=500;t.Rcommaaccent=611;t.Lcommaaccent=556;t.Atilde=611;t.Aogonek=611;t.Aring=611;t.Otilde=722;t.zdotaccent=389;t.Ecaron=611;t.Iogonek=333;t.kcommaaccent=444;t.minus=675;t.Icircumflex=333;t.ncaron=500;t.tcommaaccent=278;t.logicalnot=675;t.odieresis=500;t.udieresis=500;t.notequal=549;t.gcommaaccent=500;t.eth=500;t.zcaron=389;t.ncommaaccent=500;t.onesuperior=300;t.imacron=278;t.Euro=500}));t.ZapfDingbats=(0,i.getLookupTableFactory)((function(t){t.space=278;t.a1=974;t.a2=961;t.a202=974;t.a3=980;t.a4=719;t.a5=789;t.a119=790;t.a118=791;t.a117=690;t.a11=960;t.a12=939;t.a13=549;t.a14=855;t.a15=911;t.a16=933;t.a105=911;t.a17=945;t.a18=974;t.a19=755;t.a20=846;t.a21=762;t.a22=761;t.a23=571;t.a24=677;t.a25=763;t.a26=760;t.a27=759;t.a28=754;t.a6=494;t.a7=552;t.a8=537;t.a9=577;t.a10=692;t.a29=786;t.a30=788;t.a31=788;t.a32=790;t.a33=793;t.a34=794;t.a35=816;t.a36=823;t.a37=789;t.a38=841;t.a39=823;t.a40=833;t.a41=816;t.a42=831;t.a43=923;t.a44=744;t.a45=723;t.a46=749;t.a47=790;t.a48=792;t.a49=695;t.a50=776;t.a51=768;t.a52=792;t.a53=759;t.a54=707;t.a55=708;t.a56=682;t.a57=701;t.a58=826;t.a59=815;t.a60=789;t.a61=789;t.a62=707;t.a63=687;t.a64=696;t.a65=689;t.a66=786;t.a67=787;t.a68=713;t.a69=791;t.a70=785;t.a71=791;t.a72=873;t.a73=761;t.a74=762;t.a203=762;t.a75=759;t.a204=759;t.a76=892;t.a77=892;t.a78=788;t.a79=784;t.a81=438;t.a82=138;t.a83=277;t.a84=415;t.a97=392;t.a98=392;t.a99=668;t.a100=668;t.a89=390;t.a90=390;t.a93=317;t.a94=317;t.a91=276;t.a92=276;t.a205=509;t.a85=509;t.a206=410;t.a86=410;t.a87=234;t.a88=234;t.a95=334;t.a96=334;t.a101=732;t.a102=544;t.a103=544;t.a104=910;t.a106=667;t.a107=760;t.a108=760;t.a112=776;t.a111=595;t.a110=694;t.a109=626;t.a120=788;t.a121=788;t.a122=788;t.a123=788;t.a124=788;t.a125=788;t.a126=788;t.a127=788;t.a128=788;t.a129=788;t.a130=788;t.a131=788;t.a132=788;t.a133=788;t.a134=788;t.a135=788;t.a136=788;t.a137=788;t.a138=788;t.a139=788;t.a140=788;t.a141=788;t.a142=788;t.a143=788;t.a144=788;t.a145=788;t.a146=788;t.a147=788;t.a148=788;t.a149=788;t.a150=788;t.a151=788;t.a152=788;t.a153=788;t.a154=788;t.a155=788;t.a156=788;t.a157=788;t.a158=788;t.a159=788;t.a160=894;t.a161=838;t.a163=1016;t.a164=458;t.a196=748;t.a165=924;t.a192=748;t.a166=918;t.a167=927;t.a168=928;t.a169=928;t.a170=834;t.a171=873;t.a172=828;t.a173=924;t.a162=924;t.a174=917;t.a175=930;t.a176=931;t.a177=463;t.a178=883;t.a179=836;t.a193=836;t.a180=867;t.a199=867;t.a181=696;t.a200=696;t.a182=874;t.a201=874;t.a183=760;t.a184=946;t.a197=771;t.a185=865;t.a194=771;t.a198=888;t.a186=967;t.a195=888;t.a187=831;t.a188=873;t.a189=927;t.a190=970;t.a191=918}))}));r.getMetrics=o},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.MurmurHash3_64=void 0;var i=a(5);function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}var o=function(){function MurmurHash3_64(t){!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,MurmurHash3_64);this.h1=t?4294967295&t:3285377520;this.h2=t?4294967295&t:3285377520}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(MurmurHash3_64,[{key:"update",value:function update(t){var r,a;if((0,i.isString)(t)){r=new Uint8Array(2*t.length);a=0;for(var o=0,c=t.length;o<c;o++){var l=t.charCodeAt(o);if(l<=255)r[a++]=l;else{r[a++]=l>>>8;r[a++]=255&l}}}else{if(!(0,i.isArrayBuffer)(t))throw new Error("Wrong data format in MurmurHash3_64_update. Input must be a string or array.");a=(r=t).byteLength}for(var u=a>>2,h=a-4*u,d=new Uint32Array(r.buffer,0,u),p=0,m=0,g=this.h1,y=this.h2,b=3432918353,v=461845907,S=0;S<u;S++)1&S?g=5*(g=(g^=p=(p=(p=(p=d[S])*b&4294901760|11601*p&65535)<<15|p>>>17)*v&4294901760|13715*p&65535)<<13|g>>>19)+3864292196:y=5*(y=(y^=m=(m=(m=(m=d[S])*b&4294901760|11601*m&65535)<<15|m>>>17)*v&4294901760|13715*m&65535)<<13|y>>>19)+3864292196;p=0;switch(h){case 3:p^=r[4*u+2]<<16;case 2:p^=r[4*u+1]<<8;case 1:p=(p=(p=(p^=r[4*u])*b&4294901760|11601*p&65535)<<15|p>>>17)*v&4294901760|13715*p&65535;1&u?g^=p:y^=p}this.h1=g;this.h2=y}},{key:"hexdigest",value:function hexdigest(){var t=this.h1,r=this.h2;t=3981806797*(t^=r>>>1)&4294901760|36045*t&65535;t=444984403*(t^=(r=4283543511*r&4294901760|(2950163797*(r<<16|t>>>16)&4294901760)>>>16)>>>1)&4294901760|60499*t&65535;var a=((t^=(r=3301882366*r&4294901760|(3120437893*(r<<16|t>>>16)&4294901760)>>>16)>>>1)>>>0).toString(16),i=(r>>>0).toString(16);return a.padStart(8,"0")+i.padStart(8,"0")}}]);return MurmurHash3_64}();r.MurmurHash3_64=o},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.PDFImage=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5),c=a(202),l=a(220),u=a(209),h=a(215),d=a(218);function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function decodeAndClamp(t,r,a,i){(t=r+t*a)<0?t=0:t>i&&(t=i);return t}function resizeImageMask(t,r,a,i,o,c){var l,u=o*c;l=r<=8?new Uint8Array(u):r<=16?new Uint16Array(u):new Uint32Array(u);var h,d,p,m,g=a/o,y=i/c,b=0,v=new Uint16Array(o),S=a;for(h=0;h<o;h++)v[h]=Math.floor(h*g);for(h=0;h<c;h++){p=Math.floor(h*y)*S;for(d=0;d<o;d++){m=p+v[d];l[b++]=t[m]}}return l}var p=function(){function PDFImage(t){var r=t.xref,a=t.res,i=t.image,u=t.isInline,h=void 0!==u&&u,p=t.smask,m=void 0===p?null:p,g=t.mask,y=void 0===g?null:g,b=t.isMask,v=void 0!==b&&b,S=t.pdfFunctionFactory,k=t.localColorSpaceCache;!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,PDFImage);this.image=i;var w=i.dict,C=w.get("Filter");if((0,c.isName)(C))switch(C.name){case"JPXDecode":var _=new d.JpxImage;_.parseImageProperties(i.stream);i.stream.reset();i.width=_.width;i.height=_.height;i.bitsPerComponent=_.bitsPerComponent;i.numComps=_.componentsCount;break;case"JBIG2Decode":i.bitsPerComponent=1;i.numComps=1}var x=w.get("Width","W"),A=w.get("Height","H");if(Number.isInteger(i.width)&&i.width>0&&Number.isInteger(i.height)&&i.height>0&&(i.width!==x||i.height!==A)){(0,o.warn)("PDFImage - using the Width/Height of the image data, rather than the image dictionary.");x=i.width;A=i.height}if(x<1||A<1)throw new o.FormatError("Invalid image width: ".concat(x," or height: ").concat(A));this.width=x;this.height=A;this.interpolate=w.get("Interpolate","I")||!1;this.imageMask=w.get("ImageMask","IM")||!1;this.matte=w.get("Matte")||!1;var T=i.bitsPerComponent;if(!T&&!(T=w.get("BitsPerComponent","BPC"))){if(!this.imageMask)throw new o.FormatError("Bits per component missing in image: ".concat(this.imageMask));T=1}this.bpc=T;if(!this.imageMask){var R=w.getRaw("ColorSpace")||w.getRaw("CS");if(!R){(0,o.info)("JPX images (which do not require color spaces)");switch(i.numComps){case 1:R=c.Name.get("DeviceGray");break;case 3:R=c.Name.get("DeviceRGB");break;case 4:R=c.Name.get("DeviceCMYK");break;default:throw new Error("JPX images with ".concat(i.numComps," ")+"color components not supported.")}}this.colorSpace=l.ColorSpace.parse({cs:R,xref:r,resources:h?a:null,pdfFunctionFactory:S,localColorSpaceCache:k});this.numComps=this.colorSpace.numComps}this.decode=w.getArray("Decode","D");this.needsDecode=!1;if(this.decode&&(this.colorSpace&&!this.colorSpace.isDefaultDecode(this.decode,T)||v&&!l.ColorSpace.isDefaultDecode(this.decode,1))){this.needsDecode=!0;var I=(1<<T)-1;this.decodeCoefficients=[];this.decodeAddends=[];for(var P=this.colorSpace&&"Indexed"===this.colorSpace.name,O=0,E=0;O<this.decode.length;O+=2,++E){var B=this.decode[O],D=this.decode[O+1];this.decodeCoefficients[E]=P?(D-B)/I:D-B;this.decodeAddends[E]=P?B:I*B}}if(m)this.smask=new PDFImage({xref:r,res:a,image:m,isInline:h,pdfFunctionFactory:S,localColorSpaceCache:k});else if(y)if((0,c.isStream)(y)){y.dict.get("ImageMask","IM")?this.mask=new PDFImage({xref:r,res:a,image:y,isInline:h,isMask:!0,pdfFunctionFactory:S,localColorSpaceCache:k}):(0,o.warn)("Ignoring /Mask in image without /ImageMask.")}else this.mask=y}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(PDFImage,[{key:"decodeBuffer",value:function decodeBuffer(t){var r,a,i=this.bpc,o=this.numComps,c=this.decodeAddends,l=this.decodeCoefficients,u=(1<<i)-1;if(1!==i){var h=0;for(r=0,a=this.width*this.height;r<a;r++)for(var d=0;d<o;d++){t[h]=decodeAndClamp(t[h],c[d],l[d],u);h++}}else for(r=0,a=t.length;r<a;r++)t[r]=+!t[r]}},{key:"getComponents",value:function getComponents(t){var r=this.bpc;if(8===r)return t;var a,i=this.width,o=this.height,c=this.numComps,l=i*o*c,u=0;a=r<=8?new Uint8Array(l):r<=16?new Uint16Array(l):new Uint32Array(l);var h,d,p=i*c,m=(1<<r)-1,g=0;if(1===r)for(var y,b,v,S=0;S<o;S++){b=g+(-8&p);v=g+p;for(;g<b;){d=t[u++];a[g]=d>>7&1;a[g+1]=d>>6&1;a[g+2]=d>>5&1;a[g+3]=d>>4&1;a[g+4]=d>>3&1;a[g+5]=d>>2&1;a[g+6]=d>>1&1;a[g+7]=1&d;g+=8}if(g<v){d=t[u++];y=128;for(;g<v;){a[g++]=+!!(d&y);y>>=1}}}else{var k=0;d=0;for(g=0,h=l;g<h;++g){if(g%p==0){d=0;k=0}for(;k<r;){d=d<<8|t[u++];k+=8}var w=k-r,C=d>>w;C<0?C=0:C>m&&(C=m);a[g]=C;d&=(1<<w)-1;k=w}}return a}},{key:"fillOpacity",value:function fillOpacity(t,r,a,i,c){var l,u,h,d,p,m,g=this.smask,y=this.mask;if(g){u=g.width;h=g.height;l=new Uint8ClampedArray(u*h);g.fillGrayBuffer(l);u===r&&h===a||(l=resizeImageMask(l,g.bpc,u,h,r,a))}else if(y)if(y instanceof PDFImage){u=y.width;h=y.height;l=new Uint8ClampedArray(u*h);y.numComps=1;y.fillGrayBuffer(l);for(d=0,p=u*h;d<p;++d)l[d]=255-l[d];u===r&&h===a||(l=resizeImageMask(l,y.bpc,u,h,r,a))}else{if(!Array.isArray(y))throw new o.FormatError("Unknown mask format.");l=new Uint8ClampedArray(r*a);var b=this.numComps;for(d=0,p=r*a;d<p;++d){var v=0,S=d*b;for(m=0;m<b;++m){var k=c[S+m],w=2*m;if(k<y[w]||k>y[w+1]){v=255;break}}l[d]=v}}if(l)for(d=0,m=3,p=r*i;d<p;++d,m+=4)t[m]=l[d];else for(d=0,m=3,p=r*i;d<p;++d,m+=4)t[m]=255}},{key:"undoPreblend",value:function undoPreblend(t,r,a){var i=this.smask&&this.smask.matte;if(i)for(var o=this.colorSpace.getRgb(i,0),c=o[0],l=o[1],u=o[2],h=r*a*4,d=0;d<h;d+=4){var p=t[d+3];if(0!==p){var m=255/p;t[d]=(t[d]-c)*m+c;t[d+1]=(t[d+1]-l)*m+l;t[d+2]=(t[d+2]-u)*m+u}else{t[d]=255;t[d+1]=255;t[d+2]=255}}}},{key:"createImageData",value:function createImageData(){var t,r=arguments.length>0&&void 0!==arguments[0]&&arguments[0],a=this.drawWidth,i=this.drawHeight,c={width:a,height:i,kind:0,data:null},l=this.numComps,d=this.width,p=this.height,m=this.bpc,g=d*l*m+7>>3;if(!r){var y;"DeviceGray"===this.colorSpace.name&&1===m?y=o.ImageKind.GRAYSCALE_1BPP:"DeviceRGB"!==this.colorSpace.name||8!==m||this.needsDecode||(y=o.ImageKind.RGB_24BPP);if(y&&!this.smask&&!this.mask&&a===d&&i===p){c.kind=y;t=this.getImageBytes(p*g);if(this.image instanceof u.DecodeStream)c.data=t;else{var b=new Uint8ClampedArray(t.length);b.set(t);c.data=b}if(this.needsDecode){(0,o.assert)(y===o.ImageKind.GRAYSCALE_1BPP,"PDFImage.createImageData: The image must be grayscale.");for(var v=c.data,S=0,k=v.length;S<k;S++)v[S]^=255}return c}if(this.image instanceof h.JpegStream&&!this.smask&&!this.mask){var w=p*g;switch(this.colorSpace.name){case"DeviceGray":w*=3;case"DeviceRGB":case"DeviceCMYK":c.kind=o.ImageKind.RGB_24BPP;c.data=this.getImageBytes(w,a,i,!0);return c}}}var C,_,x=0|(t=this.getImageBytes(p*g)).length/g*i/p,A=this.getComponents(t);if(r||this.smask||this.mask){c.kind=o.ImageKind.RGBA_32BPP;c.data=new Uint8ClampedArray(a*i*4);C=1;_=!0;this.fillOpacity(c.data,a,i,x,A)}else{c.kind=o.ImageKind.RGB_24BPP;c.data=new Uint8ClampedArray(a*i*3);C=0;_=!1}this.needsDecode&&this.decodeBuffer(A);this.colorSpace.fillRgb(c.data,d,p,a,i,x,m,A,C);_&&this.undoPreblend(c.data,a,x);return c}},{key:"fillGrayBuffer",value:function fillGrayBuffer(t){var r=this.numComps;if(1!==r)throw new o.FormatError("Reading gray scale from a color image: ".concat(r));var a,i,c=this.width,l=this.height,u=this.bpc,h=c*r*u+7>>3,d=this.getImageBytes(l*h),p=this.getComponents(d);if(1!==u){this.needsDecode&&this.decodeBuffer(p);i=c*l;var m=255/((1<<u)-1);for(a=0;a<i;++a)t[a]=m*p[a]}else{i=c*l;if(this.needsDecode)for(a=0;a<i;++a)t[a]=p[a]-1&255;else for(a=0;a<i;++a)t[a]=255&-p[a]}}},{key:"getImageBytes",value:function getImageBytes(t,r,a){var i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];this.image.reset();this.image.drawWidth=r||this.width;this.image.drawHeight=a||this.height;this.image.forceRGB=!!i;return this.image.getBytes(t,!0)}},{key:"drawWidth",get:function get(){return Math.max(this.width,this.smask&&this.smask.width||0,this.mask&&this.mask.width||0)}},{key:"drawHeight",get:function get(){return Math.max(this.height,this.smask&&this.smask.height||0,this.mask&&this.mask.height||0)}}],[{key:"buildImage",value:(t=function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}(i.default.mark((function _callee(t){var r,a,l,u,h,d,p,m,g,y,b,v;return i.default.wrap((function _callee$(i){for(;;)switch(i.prev=i.next){case 0:r=t.xref,a=t.res,l=t.image,u=t.isInline,h=void 0!==u&&u,d=t.pdfFunctionFactory,p=t.localColorSpaceCache;m=l;g=null;y=null;b=l.dict.get("SMask");v=l.dict.get("Mask");b?g=b:v&&((0,c.isStream)(v)||Array.isArray(v)?y=v:(0,o.warn)("Unsupported mask format."));return i.abrupt("return",new PDFImage({xref:r,res:a,image:m,isInline:h,smask:g,mask:y,pdfFunctionFactory:d,localColorSpaceCache:p}));case 8:case"end":return i.stop()}}),_callee)}))),function buildImage(r){return t.apply(this,arguments)})},{key:"createMask",value:function createMask(t){var r,a,i=t.imgArray,o=t.width,c=t.height,l=t.imageIsFromDecodeStream,u=t.inverseDecode,h=(o+7>>3)*c,d=i.byteLength;if(!l||u&&!(h===d))if(u){(r=new Uint8ClampedArray(h)).set(i);for(a=d;a<h;a++)r[a]=255}else(r=new Uint8ClampedArray(d)).set(i);else r=i;if(u)for(a=0;a<d;a++)r[a]^=255;return{data:r,width:o,height:c}}}]);var t;return PDFImage}();r.PDFImage=p},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.MessageHandler=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5);function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var c=1,l=2,u=1,h=2,d=3,p=4,m=5,g=6,y=7,b=8;function wrapReason(t){if("object"!==_typeof(t)||null===t)return t;switch(t.name){case"AbortException":return new o.AbortException(t.message);case"MissingPDFException":return new o.MissingPDFException(t.message);case"UnexpectedResponseException":return new o.UnexpectedResponseException(t.message,t.status);case"UnknownErrorException":return new o.UnknownErrorException(t.message,t.details);default:return new o.UnknownErrorException(t.message,t.toString())}}var v=function(){function MessageHandler(t,r,a){var i=this;!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,MessageHandler);this.sourceName=t;this.targetName=r;this.comObj=a;this.callbackId=1;this.streamId=1;this.postMessageTransfers=!0;this.streamSinks=Object.create(null);this.streamControllers=Object.create(null);this.callbackCapabilities=Object.create(null);this.actionHandler=Object.create(null);this._onComObjOnMessage=function(t){var r=t.data;if(r.targetName===i.sourceName)if(r.stream)i._processStreamMessage(r);else if(r.callback){var o=r.callbackId,u=i.callbackCapabilities[o];if(!u)throw new Error("Cannot resolve callback ".concat(o));delete i.callbackCapabilities[o];if(r.callback===c)u.resolve(r.data);else{if(r.callback!==l)throw new Error("Unexpected callback case");u.reject(wrapReason(r.reason))}}else{var h=i.actionHandler[r.action];if(!h)throw new Error("Unknown action from worker: ".concat(r.action));if(r.callbackId){var d=i.sourceName,p=r.sourceName;new Promise((function(t){t(h(r.data))})).then((function(t){a.postMessage({sourceName:d,targetName:p,callback:c,callbackId:r.callbackId,data:t})}),(function(t){a.postMessage({sourceName:d,targetName:p,callback:l,callbackId:r.callbackId,reason:wrapReason(t)})}))}else r.streamId?i._createStreamSink(r):h(r.data)}};a.addEventListener("message",this._onComObjOnMessage)}!function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}(MessageHandler,[{key:"on",value:function on(t,r){var a=this.actionHandler;if(a[t])throw new Error('There is already an actionName called "'.concat(t,'"'));a[t]=r}},{key:"send",value:function send(t,r,a){this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:t,data:r},a)}},{key:"sendWithPromise",value:function sendWithPromise(t,r,a){var i=this.callbackId++,c=(0,o.createPromiseCapability)();this.callbackCapabilities[i]=c;try{this._postMessage({sourceName:this.sourceName,targetName:this.targetName,action:t,callbackId:i,data:r},a)}catch(t){c.reject(t)}return c.promise}},{key:"sendWithStream",value:function sendWithStream(t,r,a,i){var c=this,l=this.streamId++,h=this.sourceName,d=this.targetName,p=this.comObj;return new ReadableStream({start:function start(a){var u=(0,o.createPromiseCapability)();c.streamControllers[l]={controller:a,startCall:u,pullCall:null,cancelCall:null,isClosed:!1};c._postMessage({sourceName:h,targetName:d,action:t,streamId:l,data:r,desiredSize:a.desiredSize},i);return u.promise},pull:function pull(t){var r=(0,o.createPromiseCapability)();c.streamControllers[l].pullCall=r;p.postMessage({sourceName:h,targetName:d,stream:g,streamId:l,desiredSize:t.desiredSize});return r.promise},cancel:function cancel(t){(0,o.assert)(t instanceof Error,"cancel must have a valid reason");var r=(0,o.createPromiseCapability)();c.streamControllers[l].cancelCall=r;c.streamControllers[l].isClosed=!0;p.postMessage({sourceName:h,targetName:d,stream:u,streamId:l,reason:wrapReason(t)});return r.promise}},a)}},{key:"_createStreamSink",value:function _createStreamSink(t){var r=this,a=this.actionHandler[t.action],i=t.streamId,c=this.sourceName,l=t.sourceName,u=this.comObj,h={enqueue:function enqueue(t){var a=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,u=arguments.length>2?arguments[2]:void 0;if(!this.isCancelled){var h=this.desiredSize;this.desiredSize-=a;if(h>0&&this.desiredSize<=0){this.sinkCapability=(0,o.createPromiseCapability)();this.ready=this.sinkCapability.promise}r._postMessage({sourceName:c,targetName:l,stream:p,streamId:i,chunk:t},u)}},close:function close(){if(!this.isCancelled){this.isCancelled=!0;u.postMessage({sourceName:c,targetName:l,stream:d,streamId:i});delete r.streamSinks[i]}},error:function error(t){(0,o.assert)(t instanceof Error,"error must have a valid reason");if(!this.isCancelled){this.isCancelled=!0;u.postMessage({sourceName:c,targetName:l,stream:m,streamId:i,reason:wrapReason(t)})}},sinkCapability:(0,o.createPromiseCapability)(),onPull:null,onCancel:null,isCancelled:!1,desiredSize:t.desiredSize,ready:null};h.sinkCapability.resolve();h.ready=h.sinkCapability.promise;this.streamSinks[i]=h;new Promise((function(r){r(a(t.data,h))})).then((function(){u.postMessage({sourceName:c,targetName:l,stream:b,streamId:i,success:!0})}),(function(t){u.postMessage({sourceName:c,targetName:l,stream:b,streamId:i,reason:wrapReason(t)})}))}},{key:"_processStreamMessage",value:function _processStreamMessage(t){var r=t.streamId,a=this.sourceName,i=t.sourceName,c=this.comObj;switch(t.stream){case b:t.success?this.streamControllers[r].startCall.resolve():this.streamControllers[r].startCall.reject(wrapReason(t.reason));break;case y:t.success?this.streamControllers[r].pullCall.resolve():this.streamControllers[r].pullCall.reject(wrapReason(t.reason));break;case g:if(!this.streamSinks[r]){c.postMessage({sourceName:a,targetName:i,stream:y,streamId:r,success:!0});break}this.streamSinks[r].desiredSize<=0&&t.desiredSize>0&&this.streamSinks[r].sinkCapability.resolve();this.streamSinks[r].desiredSize=t.desiredSize;var l=this.streamSinks[t.streamId].onPull;new Promise((function(t){t(l&&l())})).then((function(){c.postMessage({sourceName:a,targetName:i,stream:y,streamId:r,success:!0})}),(function(t){c.postMessage({sourceName:a,targetName:i,stream:y,streamId:r,reason:wrapReason(t)})}));break;case p:(0,o.assert)(this.streamControllers[r],"enqueue should have stream controller");if(this.streamControllers[r].isClosed)break;this.streamControllers[r].controller.enqueue(t.chunk);break;case d:(0,o.assert)(this.streamControllers[r],"close should have stream controller");if(this.streamControllers[r].isClosed)break;this.streamControllers[r].isClosed=!0;this.streamControllers[r].controller.close();this._deleteStreamController(r);break;case m:(0,o.assert)(this.streamControllers[r],"error should have stream controller");this.streamControllers[r].controller.error(wrapReason(t.reason));this._deleteStreamController(r);break;case h:t.success?this.streamControllers[r].cancelCall.resolve():this.streamControllers[r].cancelCall.reject(wrapReason(t.reason));this._deleteStreamController(r);break;case u:if(!this.streamSinks[r])break;var v=this.streamSinks[t.streamId].onCancel;new Promise((function(r){r(v&&v(wrapReason(t.reason)))})).then((function(){c.postMessage({sourceName:a,targetName:i,stream:h,streamId:r,success:!0})}),(function(t){c.postMessage({sourceName:a,targetName:i,stream:h,streamId:r,reason:wrapReason(t)})}));this.streamSinks[r].sinkCapability.reject(wrapReason(t.reason));this.streamSinks[r].isCancelled=!0;delete this.streamSinks[r];break;default:throw new Error("Unexpected stream case")}}},{key:"_deleteStreamController",value:(t=function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}(i.default.mark((function _callee(t){return i.default.wrap((function _callee$(r){for(;;)switch(r.prev=r.next){case 0:r.next=2;return Promise.allSettled([this.streamControllers[t].startCall,this.streamControllers[t].pullCall,this.streamControllers[t].cancelCall].map((function(t){return t&&t.promise})));case 2:delete this.streamControllers[t];case 3:case"end":return r.stop()}}),_callee,this)}))),function _deleteStreamController(r){return t.apply(this,arguments)})},{key:"_postMessage",value:function _postMessage(t,r){r&&this.postMessageTransfers?this.comObj.postMessage(t,r):this.comObj.postMessage(t)}},{key:"destroy",value:function destroy(){this.comObj.removeEventListener("message",this._onComObjOnMessage)}}]);var t;return MessageHandler}();r.MessageHandler=v},function(t,r,a){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.PDFWorkerStream=void 0;var i=function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}(a(2)),o=a(5);function asyncGeneratorStep(t,r,a,i,o,c,l){try{var u=t[c](l),h=u.value}catch(t){a(t);return}u.done?r(h):Promise.resolve(h).then(i,o)}function _asyncToGenerator(t){return function(){var r=this,a=arguments;return new Promise((function(i,o){var c=t.apply(r,a);function _next(t){asyncGeneratorStep(c,i,o,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(c,i,o,_next,_throw,"throw",t)}_next(void 0)}))}}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var a=0;a<r.length;a++){var i=r[a];i.enumerable=i.enumerable||!1;i.configurable=!0;"value"in i&&(i.writable=!0);Object.defineProperty(t,i.key,i)}}function _createClass(t,r,a){r&&_defineProperties(t.prototype,r);a&&_defineProperties(t,a);return t}var c=function(){function PDFWorkerStream(t){_classCallCheck(this,PDFWorkerStream);this._msgHandler=t;this._contentLength=null;this._fullRequestReader=null;this._rangeRequestReaders=[]}_createClass(PDFWorkerStream,[{key:"getFullReader",value:function getFullReader(){(0,o.assert)(!this._fullRequestReader,"PDFWorkerStream.getFullReader can only be called once.");this._fullRequestReader=new l(this._msgHandler);return this._fullRequestReader}},{key:"getRangeReader",value:function getRangeReader(t,r){var a=new u(t,r,this._msgHandler);this._rangeRequestReaders.push(a);return a}},{key:"cancelAllRequests",value:function cancelAllRequests(t){this._fullRequestReader&&this._fullRequestReader.cancel(t);this._rangeRequestReaders.slice(0).forEach((function(r){r.cancel(t)}))}}]);return PDFWorkerStream}();r.PDFWorkerStream=c;var l=function(){function PDFWorkerStreamReader(t){var r=this;_classCallCheck(this,PDFWorkerStreamReader);this._msgHandler=t;this.onProgress=null;this._contentLength=null;this._isRangeSupported=!1;this._isStreamingSupported=!1;var a=this._msgHandler.sendWithStream("GetReader");this._reader=a.getReader();this._headersReady=this._msgHandler.sendWithPromise("ReaderHeadersReady").then((function(t){r._isStreamingSupported=t.isStreamingSupported;r._isRangeSupported=t.isRangeSupported;r._contentLength=t.contentLength}))}_createClass(PDFWorkerStreamReader,[{key:"read",value:(t=_asyncToGenerator(i.default.mark((function _callee(){var t,r;return i.default.wrap((function _callee$(a){for(;;)switch(a.prev=a.next){case 0:a.next=2;return this._reader.read();case 2:t=a.sent;r=t.value;if(!t.done){a.next=7;break}return a.abrupt("return",{value:void 0,done:!0});case 7:return a.abrupt("return",{value:r.buffer,done:!1});case 8:case"end":return a.stop()}}),_callee,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._reader.cancel(t)}},{key:"headersReady",get:function get(){return this._headersReady}},{key:"contentLength",get:function get(){return this._contentLength}},{key:"isStreamingSupported",get:function get(){return this._isStreamingSupported}},{key:"isRangeSupported",get:function get(){return this._isRangeSupported}}]);var t;return PDFWorkerStreamReader}(),u=function(){function PDFWorkerStreamRangeReader(t,r,a){_classCallCheck(this,PDFWorkerStreamRangeReader);this._msgHandler=a;this.onProgress=null;var i=this._msgHandler.sendWithStream("GetRangeReader",{begin:t,end:r});this._reader=i.getReader()}_createClass(PDFWorkerStreamRangeReader,[{key:"read",value:(t=_asyncToGenerator(i.default.mark((function _callee2(){var t,r;return i.default.wrap((function _callee2$(a){for(;;)switch(a.prev=a.next){case 0:a.next=2;return this._reader.read();case 2:t=a.sent;r=t.value;if(!t.done){a.next=7;break}return a.abrupt("return",{value:void 0,done:!0});case 7:return a.abrupt("return",{value:r.buffer,done:!1});case 8:case"end":return a.stop()}}),_callee2,this)}))),function read(){return t.apply(this,arguments)})},{key:"cancel",value:function cancel(t){this._reader.cancel(t)}},{key:"isStreamingSupported",get:function get(){return!1}}]);var t;return PDFWorkerStreamRangeReader}()}])}));
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.js b/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.js
new file mode 100644
index 00000000..bb33964c
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.js
@@ -0,0 +1,12529 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory();
+	else
+		root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "getVerbosityLevel", {
+  enumerable: true,
+  get: function get() {
+    return _util.getVerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "setVerbosityLevel", {
+  enumerable: true,
+  get: function get() {
+    return _util.setVerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "Jbig2mage", {
+  enumerable: true,
+  get: function get() {
+    return _jbig.Jbig2mage;
+  }
+});
+Object.defineProperty(exports, "JpegImage", {
+  enumerable: true,
+  get: function get() {
+    return _jpg.JpegImage;
+  }
+});
+Object.defineProperty(exports, "JpxImage", {
+  enumerable: true,
+  get: function get() {
+    return _jpx.JpxImage;
+  }
+});
+
+var _util = __w_pdfjs_require__(1);
+
+var _jbig = __w_pdfjs_require__(178);
+
+var _jpg = __w_pdfjs_require__(182);
+
+var _jpx = __w_pdfjs_require__(183);
+
+var pdfjsVersion = '2.6.347';
+var pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(2);
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+var PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+var TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+var ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+var AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+var AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+var AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+var AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+var AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+var AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+var AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+var AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+var StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+var FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+var VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+var CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+var OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+var UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+var PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+var verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log("Info: ".concat(msg));
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log("Warning: ".concat(msg));
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  var base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  var other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value: value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+var BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+var PasswordException = /*#__PURE__*/function (_BaseException) {
+  _inherits(PasswordException, _BaseException);
+
+  var _super = _createSuper(PasswordException);
+
+  function PasswordException(msg, code) {
+    var _this;
+
+    _classCallCheck(this, PasswordException);
+
+    _this = _super.call(this, msg);
+    _this.code = code;
+    return _this;
+  }
+
+  return PasswordException;
+}(BaseException);
+
+exports.PasswordException = PasswordException;
+
+var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
+  _inherits(UnknownErrorException, _BaseException2);
+
+  var _super2 = _createSuper(UnknownErrorException);
+
+  function UnknownErrorException(msg, details) {
+    var _this2;
+
+    _classCallCheck(this, UnknownErrorException);
+
+    _this2 = _super2.call(this, msg);
+    _this2.details = details;
+    return _this2;
+  }
+
+  return UnknownErrorException;
+}(BaseException);
+
+exports.UnknownErrorException = UnknownErrorException;
+
+var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
+  _inherits(InvalidPDFException, _BaseException3);
+
+  var _super3 = _createSuper(InvalidPDFException);
+
+  function InvalidPDFException() {
+    _classCallCheck(this, InvalidPDFException);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return InvalidPDFException;
+}(BaseException);
+
+exports.InvalidPDFException = InvalidPDFException;
+
+var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
+  _inherits(MissingPDFException, _BaseException4);
+
+  var _super4 = _createSuper(MissingPDFException);
+
+  function MissingPDFException() {
+    _classCallCheck(this, MissingPDFException);
+
+    return _super4.apply(this, arguments);
+  }
+
+  return MissingPDFException;
+}(BaseException);
+
+exports.MissingPDFException = MissingPDFException;
+
+var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
+  _inherits(UnexpectedResponseException, _BaseException5);
+
+  var _super5 = _createSuper(UnexpectedResponseException);
+
+  function UnexpectedResponseException(msg, status) {
+    var _this3;
+
+    _classCallCheck(this, UnexpectedResponseException);
+
+    _this3 = _super5.call(this, msg);
+    _this3.status = status;
+    return _this3;
+  }
+
+  return UnexpectedResponseException;
+}(BaseException);
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+var FormatError = /*#__PURE__*/function (_BaseException6) {
+  _inherits(FormatError, _BaseException6);
+
+  var _super6 = _createSuper(FormatError);
+
+  function FormatError() {
+    _classCallCheck(this, FormatError);
+
+    return _super6.apply(this, arguments);
+  }
+
+  return FormatError;
+}(BaseException);
+
+exports.FormatError = FormatError;
+
+var AbortException = /*#__PURE__*/function (_BaseException7) {
+  _inherits(AbortException, _BaseException7);
+
+  var _super7 = _createSuper(AbortException);
+
+  function AbortException() {
+    _classCallCheck(this, AbortException);
+
+    return _super7.apply(this, arguments);
+  }
+
+  return AbortException;
+}(BaseException);
+
+exports.AbortException = AbortException;
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && _typeof(bytes) === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  var length = bytes.length;
+  var MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  var strBuf = [];
+
+  for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    var chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  var length = str.length;
+  var bytes = new Uint8Array(length);
+
+  for (var i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  var length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  var resultLength = 0;
+
+  for (var i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  var pos = 0;
+  var data = new Uint8Array(resultLength);
+
+  for (var _i = 0; _i < length; _i++) {
+    var item = arr[_i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    var itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  var buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+var IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+var IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+var rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+var Util = /*#__PURE__*/function () {
+  function Util() {
+    _classCallCheck(this, Util);
+  }
+
+  _createClass(Util, null, [{
+    key: "makeCssRgb",
+    value: function makeCssRgb(r, g, b) {
+      rgbBuf[1] = r;
+      rgbBuf[3] = g;
+      rgbBuf[5] = b;
+      return rgbBuf.join("");
+    }
+  }, {
+    key: "transform",
+    value: function transform(m1, m2) {
+      return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+    }
+  }, {
+    key: "applyTransform",
+    value: function applyTransform(p, m) {
+      var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+      var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+      return [xt, yt];
+    }
+  }, {
+    key: "applyInverseTransform",
+    value: function applyInverseTransform(p, m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+      var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+      return [xt, yt];
+    }
+  }, {
+    key: "getAxialAlignedBoundingBox",
+    value: function getAxialAlignedBoundingBox(r, m) {
+      var p1 = Util.applyTransform(r, m);
+      var p2 = Util.applyTransform(r.slice(2, 4), m);
+      var p3 = Util.applyTransform([r[0], r[3]], m);
+      var p4 = Util.applyTransform([r[2], r[1]], m);
+      return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+    }
+  }, {
+    key: "inverseTransform",
+    value: function inverseTransform(m) {
+      var d = m[0] * m[3] - m[1] * m[2];
+      return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+    }
+  }, {
+    key: "apply3dTransform",
+    value: function apply3dTransform(m, v) {
+      return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+    }
+  }, {
+    key: "singularValueDecompose2dScale",
+    value: function singularValueDecompose2dScale(m) {
+      var transpose = [m[0], m[2], m[1], m[3]];
+      var a = m[0] * transpose[0] + m[1] * transpose[2];
+      var b = m[0] * transpose[1] + m[1] * transpose[3];
+      var c = m[2] * transpose[0] + m[3] * transpose[2];
+      var d = m[2] * transpose[1] + m[3] * transpose[3];
+      var first = (a + d) / 2;
+      var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+      var sx = first + second || 1;
+      var sy = first - second || 1;
+      return [Math.sqrt(sx), Math.sqrt(sy)];
+    }
+  }, {
+    key: "normalizeRect",
+    value: function normalizeRect(rect) {
+      var r = rect.slice(0);
+
+      if (rect[0] > rect[2]) {
+        r[0] = rect[2];
+        r[2] = rect[0];
+      }
+
+      if (rect[1] > rect[3]) {
+        r[1] = rect[3];
+        r[3] = rect[1];
+      }
+
+      return r;
+    }
+  }, {
+    key: "intersect",
+    value: function intersect(rect1, rect2) {
+      function compare(a, b) {
+        return a - b;
+      }
+
+      var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+      var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+      var result = [];
+      rect1 = Util.normalizeRect(rect1);
+      rect2 = Util.normalizeRect(rect2);
+
+      if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+        result[0] = orderedX[1];
+        result[2] = orderedX[2];
+      } else {
+        return null;
+      }
+
+      if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+        result[1] = orderedY[1];
+        result[3] = orderedY[2];
+      } else {
+        return null;
+      }
+
+      return result;
+    }
+  }]);
+
+  return Util;
+}();
+
+exports.Util = Util;
+var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  var length = str.length,
+      strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (var i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (var _i2 = 2; _i2 < length; _i2 += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(_i2 + 1) << 8 | str.charCodeAt(_i2)));
+    }
+  } else {
+    for (var _i3 = 0; _i3 < length; ++_i3) {
+      var code = PDFStringTranslateTable[str.charCodeAt(_i3)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(_i3));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return _typeof(v) === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate() {
+  var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date(Date.now());
+  var buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  var capability = Object.create(null);
+  var isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get: function get() {
+      return isSettled;
+    }
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+var createObjectURL = function createObjectURLClosure() {
+  var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType) {
+    var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    if (!forceDataSchema && URL.createObjectURL) {
+      var blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    var buffer = "data:".concat(contentType, ";base64,");
+
+    for (var i = 0, ii = data.length; i < ii; i += 3) {
+      var b1 = data[i] & 0xff;
+      var b2 = data[i + 1] & 0xff;
+      var b3 = data[i + 2] & 0xff;
+      var d1 = b1 >> 2,
+          d2 = (b1 & 3) << 4 | b2 >> 4;
+      var d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      var d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(3);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+if (typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked) {
+  if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
+    globalThis = __w_pdfjs_require__(4);
+  }
+
+  globalThis._pdfjsCompatibilityChecked = true;
+  var hasDOM = (typeof window === "undefined" ? "undefined" : _typeof(window)) === "object" && (typeof document === "undefined" ? "undefined" : _typeof(document)) === "object";
+  var userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  var isIE = /Trident/.test(userAgent);
+
+  (function checkNodeBtoa() {
+    if (globalThis.btoa || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.btoa = function (chars) {
+      return Buffer.from(chars, "binary").toString("base64");
+    };
+  })();
+
+  (function checkNodeAtob() {
+    if (globalThis.atob || !_is_node.isNodeJS) {
+      return;
+    }
+
+    globalThis.atob = function (input) {
+      return Buffer.from(input, "base64").toString("binary");
+    };
+  })();
+
+  (function checkChildNodeRemove() {
+    if (!hasDOM) {
+      return;
+    }
+
+    if (typeof Element.prototype.remove !== "undefined") {
+      return;
+    }
+
+    Element.prototype.remove = function () {
+      if (this.parentNode) {
+        this.parentNode.removeChild(this);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListAddRemove() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+    div.classList.add("testOne", "testTwo");
+
+    if (div.classList.contains("testOne") === true && div.classList.contains("testTwo") === true) {
+      return;
+    }
+
+    var OriginalDOMTokenListAdd = DOMTokenList.prototype.add;
+    var OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;
+
+    DOMTokenList.prototype.add = function () {
+      for (var _len = arguments.length, tokens = new Array(_len), _key = 0; _key < _len; _key++) {
+        tokens[_key] = arguments[_key];
+      }
+
+      for (var _i = 0, _tokens = tokens; _i < _tokens.length; _i++) {
+        var token = _tokens[_i];
+        OriginalDOMTokenListAdd.call(this, token);
+      }
+    };
+
+    DOMTokenList.prototype.remove = function () {
+      for (var _len2 = arguments.length, tokens = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        tokens[_key2] = arguments[_key2];
+      }
+
+      for (var _i2 = 0, _tokens2 = tokens; _i2 < _tokens2.length; _i2++) {
+        var token = _tokens2[_i2];
+        OriginalDOMTokenListRemove.call(this, token);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListToggle() {
+    if (!hasDOM || _is_node.isNodeJS) {
+      return;
+    }
+
+    var div = document.createElement("div");
+
+    if (div.classList.toggle("test", 0) === false) {
+      return;
+    }
+
+    DOMTokenList.prototype.toggle = function (token) {
+      var force = arguments.length > 1 ? !!arguments[1] : !this.contains(token);
+      return this[force ? "add" : "remove"](token), force;
+    };
+  })();
+
+  (function checkWindowHistoryPushStateReplaceState() {
+    if (!hasDOM || !isIE) {
+      return;
+    }
+
+    var OriginalPushState = window.history.pushState;
+    var OriginalReplaceState = window.history.replaceState;
+
+    window.history.pushState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalPushState.apply(this, args);
+    };
+
+    window.history.replaceState = function (state, title, url) {
+      var args = url === undefined ? [state, title] : [state, title, url];
+      OriginalReplaceState.apply(this, args);
+    };
+  })();
+
+  (function checkStringStartsWith() {
+    if (String.prototype.startsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(49);
+  })();
+
+  (function checkStringEndsWith() {
+    if (String.prototype.endsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(60);
+  })();
+
+  (function checkStringIncludes() {
+    if (String.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(62);
+  })();
+
+  (function checkArrayIncludes() {
+    if (Array.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(64);
+  })();
+
+  (function checkArrayFrom() {
+    if (Array.from) {
+      return;
+    }
+
+    __w_pdfjs_require__(72);
+  })();
+
+  (function checkObjectAssign() {
+    if (Object.assign) {
+      return;
+    }
+
+    __w_pdfjs_require__(94);
+  })();
+
+  (function checkObjectFromEntries() {
+    if (Object.fromEntries) {
+      return;
+    }
+
+    __w_pdfjs_require__(97);
+  })();
+
+  (function checkMathLog2() {
+    if (Math.log2) {
+      return;
+    }
+
+    Math.log2 = __w_pdfjs_require__(101);
+  })();
+
+  (function checkNumberIsNaN() {
+    if (Number.isNaN) {
+      return;
+    }
+
+    Number.isNaN = __w_pdfjs_require__(103);
+  })();
+
+  (function checkNumberIsInteger() {
+    if (Number.isInteger) {
+      return;
+    }
+
+    Number.isInteger = __w_pdfjs_require__(105);
+  })();
+
+  (function checkTypedArraySlice() {
+    if (Uint8Array.prototype.slice) {
+      return;
+    }
+
+    __w_pdfjs_require__(108);
+  })();
+
+  (function checkPromise() {})();
+
+  (function checkURL() {})();
+
+  (function checkReadableStream() {})();
+
+  (function checkMapEntries() {
+    if (globalThis.Map && globalThis.Map.prototype.entries) {
+      return;
+    }
+
+    globalThis.Map = __w_pdfjs_require__(113);
+  })();
+
+  (function checkSetEntries() {
+    if (globalThis.Set && globalThis.Set.prototype.entries) {
+      return;
+    }
+
+    globalThis.Set = __w_pdfjs_require__(127);
+  })();
+
+  (function checkWeakMap() {
+    if (globalThis.WeakMap) {
+      return;
+    }
+
+    globalThis.WeakMap = __w_pdfjs_require__(129);
+  })();
+
+  (function checkWeakSet() {
+    if (globalThis.WeakSet) {
+      return;
+    }
+
+    globalThis.WeakSet = __w_pdfjs_require__(135);
+  })();
+
+  (function checkStringCodePointAt() {
+    if (String.prototype.codePointAt) {
+      return;
+    }
+
+    __w_pdfjs_require__(137);
+  })();
+
+  (function checkStringFromCodePoint() {
+    if (String.fromCodePoint) {
+      return;
+    }
+
+    String.fromCodePoint = __w_pdfjs_require__(139);
+  })();
+
+  (function checkSymbol() {
+    if (globalThis.Symbol) {
+      return;
+    }
+
+    __w_pdfjs_require__(141);
+  })();
+
+  (function checkStringPadStart() {
+    if (String.prototype.padStart) {
+      return;
+    }
+
+    __w_pdfjs_require__(166);
+  })();
+
+  (function checkStringPadEnd() {
+    if (String.prototype.padEnd) {
+      return;
+    }
+
+    __w_pdfjs_require__(171);
+  })();
+
+  (function checkObjectValues() {
+    if (Object.values) {
+      return;
+    }
+
+    Object.values = __w_pdfjs_require__(173);
+  })();
+
+  (function checkObjectEntries() {
+    if (Object.entries) {
+      return;
+    }
+
+    Object.entries = __w_pdfjs_require__(176);
+  })();
+}
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(5);
+module.exports = __w_pdfjs_require__(7);
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var global = __w_pdfjs_require__(7);
+$({ global: true }, { globalThis: global });
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(8).f;
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var redefine = __w_pdfjs_require__(25);
+var setGlobal = __w_pdfjs_require__(26);
+var copyConstructorProperties = __w_pdfjs_require__(36);
+var isForced = __w_pdfjs_require__(48);
+module.exports = function (options, source) {
+ var TARGET = options.target;
+ var GLOBAL = options.global;
+ var STATIC = options.stat;
+ var FORCED, target, key, targetProperty, sourceProperty, descriptor;
+ if (GLOBAL) {
+  target = global;
+ } else if (STATIC) {
+  target = global[TARGET] || setGlobal(TARGET, {});
+ } else {
+  target = (global[TARGET] || {}).prototype;
+ }
+ if (target)
+  for (key in source) {
+   sourceProperty = source[key];
+   if (options.noTargetGet) {
+    descriptor = getOwnPropertyDescriptor(target, key);
+    targetProperty = descriptor && descriptor.value;
+   } else
+    targetProperty = target[key];
+   FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
+   if (!FORCED && targetProperty !== undefined) {
+    if (typeof sourceProperty === typeof targetProperty)
+     continue;
+    copyConstructorProperties(sourceProperty, targetProperty);
+   }
+   if (options.sham || targetProperty && targetProperty.sham) {
+    createNonEnumerableProperty(sourceProperty, 'sham', true);
+   }
+   redefine(target, key, sourceProperty, options);
+  }
+};
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports) {
+
+var check = function (it) {
+ return it && it.Math == Math && it;
+};
+module.exports = check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || Function('return this')();
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var propertyIsEnumerableModule = __w_pdfjs_require__(11);
+var createPropertyDescriptor = __w_pdfjs_require__(12);
+var toIndexedObject = __w_pdfjs_require__(13);
+var toPrimitive = __w_pdfjs_require__(17);
+var has = __w_pdfjs_require__(19);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(20);
+var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
+ O = toIndexedObject(O);
+ P = toPrimitive(P, true);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeGetOwnPropertyDescriptor(O, P);
+  } catch (error) {
+  }
+ if (has(O, P))
+  return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
+};
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+module.exports = !fails(function () {
+ return Object.defineProperty({}, 1, {
+  get: function () {
+   return 7;
+  }
+ })[1] != 7;
+});
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+ try {
+  return !!exec();
+ } catch (error) {
+  return true;
+ }
+};
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
+var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);
+exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
+ var descriptor = getOwnPropertyDescriptor(this, V);
+ return !!descriptor && descriptor.enumerable;
+} : nativePropertyIsEnumerable;
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports) {
+
+module.exports = function (bitmap, value) {
+ return {
+  enumerable: !(bitmap & 1),
+  configurable: !(bitmap & 2),
+  writable: !(bitmap & 4),
+  value: value
+ };
+};
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IndexedObject = __w_pdfjs_require__(14);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+module.exports = function (it) {
+ return IndexedObject(requireObjectCoercible(it));
+};
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+var classof = __w_pdfjs_require__(15);
+var split = ''.split;
+module.exports = fails(function () {
+ return !Object('z').propertyIsEnumerable(0);
+}) ? function (it) {
+ return classof(it) == 'String' ? split.call(it, '') : Object(it);
+} : Object;
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports) {
+
+var toString = {}.toString;
+module.exports = function (it) {
+ return toString.call(it).slice(8, -1);
+};
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (it == undefined)
+  throw TypeError("Can't call method on " + it);
+ return it;
+};
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+module.exports = function (input, PREFERRED_STRING) {
+ if (!isObject(input))
+  return input;
+ var fn, val;
+ if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
+  return val;
+ throw TypeError("Can't convert object to primitive value");
+};
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ return typeof it === 'object' ? it !== null : typeof it === 'function';
+};
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports) {
+
+var hasOwnProperty = {}.hasOwnProperty;
+module.exports = function (it, key) {
+ return hasOwnProperty.call(it, key);
+};
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var fails = __w_pdfjs_require__(10);
+var createElement = __w_pdfjs_require__(21);
+module.exports = !DESCRIPTORS && !fails(function () {
+ return Object.defineProperty(createElement('div'), 'a', {
+  get: function () {
+   return 7;
+  }
+ }).a != 7;
+});
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var isObject = __w_pdfjs_require__(18);
+var document = global.document;
+var EXISTS = isObject(document) && isObject(document.createElement);
+module.exports = function (it) {
+ return EXISTS ? document.createElement(it) : {};
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var definePropertyModule = __w_pdfjs_require__(23);
+var createPropertyDescriptor = __w_pdfjs_require__(12);
+module.exports = DESCRIPTORS ? function (object, key, value) {
+ return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
+} : function (object, key, value) {
+ object[key] = value;
+ return object;
+};
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var IE8_DOM_DEFINE = __w_pdfjs_require__(20);
+var anObject = __w_pdfjs_require__(24);
+var toPrimitive = __w_pdfjs_require__(17);
+var nativeDefineProperty = Object.defineProperty;
+exports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
+ anObject(O);
+ P = toPrimitive(P, true);
+ anObject(Attributes);
+ if (IE8_DOM_DEFINE)
+  try {
+   return nativeDefineProperty(O, P, Attributes);
+  } catch (error) {
+  }
+ if ('get' in Attributes || 'set' in Attributes)
+  throw TypeError('Accessors not supported');
+ if ('value' in Attributes)
+  O[P] = Attributes.value;
+ return O;
+};
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+module.exports = function (it) {
+ if (!isObject(it)) {
+  throw TypeError(String(it) + ' is not an object');
+ }
+ return it;
+};
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(19);
+var setGlobal = __w_pdfjs_require__(26);
+var inspectSource = __w_pdfjs_require__(27);
+var InternalStateModule = __w_pdfjs_require__(29);
+var getInternalState = InternalStateModule.get;
+var enforceInternalState = InternalStateModule.enforce;
+var TEMPLATE = String(String).split('String');
+(module.exports = function (O, key, value, options) {
+ var unsafe = options ? !!options.unsafe : false;
+ var simple = options ? !!options.enumerable : false;
+ var noTargetGet = options ? !!options.noTargetGet : false;
+ if (typeof value == 'function') {
+  if (typeof key == 'string' && !has(value, 'name'))
+   createNonEnumerableProperty(value, 'name', key);
+  enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
+ }
+ if (O === global) {
+  if (simple)
+   O[key] = value;
+  else
+   setGlobal(key, value);
+  return;
+ } else if (!unsafe) {
+  delete O[key];
+ } else if (!noTargetGet && O[key]) {
+  simple = true;
+ }
+ if (simple)
+  O[key] = value;
+ else
+  createNonEnumerableProperty(O, key, value);
+})(Function.prototype, 'toString', function toString() {
+ return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
+});
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+module.exports = function (key, value) {
+ try {
+  createNonEnumerableProperty(global, key, value);
+ } catch (error) {
+  global[key] = value;
+ }
+ return value;
+};
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var store = __w_pdfjs_require__(28);
+var functionToString = Function.toString;
+if (typeof store.inspectSource != 'function') {
+ store.inspectSource = function (it) {
+  return functionToString.call(it);
+ };
+}
+module.exports = store.inspectSource;
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var setGlobal = __w_pdfjs_require__(26);
+var SHARED = '__core-js_shared__';
+var store = global[SHARED] || setGlobal(SHARED, {});
+module.exports = store;
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(30);
+var global = __w_pdfjs_require__(7);
+var isObject = __w_pdfjs_require__(18);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var objectHas = __w_pdfjs_require__(19);
+var sharedKey = __w_pdfjs_require__(31);
+var hiddenKeys = __w_pdfjs_require__(35);
+var WeakMap = global.WeakMap;
+var set, get, has;
+var enforce = function (it) {
+ return has(it) ? get(it) : set(it, {});
+};
+var getterFor = function (TYPE) {
+ return function (it) {
+  var state;
+  if (!isObject(it) || (state = get(it)).type !== TYPE) {
+   throw TypeError('Incompatible receiver, ' + TYPE + ' required');
+  }
+  return state;
+ };
+};
+if (NATIVE_WEAK_MAP) {
+ var store = new WeakMap();
+ var wmget = store.get;
+ var wmhas = store.has;
+ var wmset = store.set;
+ set = function (it, metadata) {
+  wmset.call(store, it, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return wmget.call(store, it) || {};
+ };
+ has = function (it) {
+  return wmhas.call(store, it);
+ };
+} else {
+ var STATE = sharedKey('state');
+ hiddenKeys[STATE] = true;
+ set = function (it, metadata) {
+  createNonEnumerableProperty(it, STATE, metadata);
+  return metadata;
+ };
+ get = function (it) {
+  return objectHas(it, STATE) ? it[STATE] : {};
+ };
+ has = function (it) {
+  return objectHas(it, STATE);
+ };
+}
+module.exports = {
+ set: set,
+ get: get,
+ has: has,
+ enforce: enforce,
+ getterFor: getterFor
+};
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var inspectSource = __w_pdfjs_require__(27);
+var WeakMap = global.WeakMap;
+module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var shared = __w_pdfjs_require__(32);
+var uid = __w_pdfjs_require__(34);
+var keys = shared('keys');
+module.exports = function (key) {
+ return keys[key] || (keys[key] = uid(key));
+};
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var IS_PURE = __w_pdfjs_require__(33);
+var store = __w_pdfjs_require__(28);
+(module.exports = function (key, value) {
+ return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+ version: '3.6.5',
+ mode: IS_PURE ? 'pure' : 'global',
+ copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
+});
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports) {
+
+module.exports = false;
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports) {
+
+var id = 0;
+var postfix = Math.random();
+module.exports = function (key) {
+ return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
+};
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(19);
+var ownKeys = __w_pdfjs_require__(37);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(8);
+var definePropertyModule = __w_pdfjs_require__(23);
+module.exports = function (target, source) {
+ var keys = ownKeys(source);
+ var defineProperty = definePropertyModule.f;
+ var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+ for (var i = 0; i < keys.length; i++) {
+  var key = keys[i];
+  if (!has(target, key))
+   defineProperty(target, key, getOwnPropertyDescriptor(source, key));
+ }
+};
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(38);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(40);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(47);
+var anObject = __w_pdfjs_require__(24);
+module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
+ var keys = getOwnPropertyNamesModule.f(anObject(it));
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
+};
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(39);
+var global = __w_pdfjs_require__(7);
+var aFunction = function (variable) {
+ return typeof variable == 'function' ? variable : undefined;
+};
+module.exports = function (namespace, method) {
+ return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace]) : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
+};
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+module.exports = global;
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(41);
+var enumBugKeys = __w_pdfjs_require__(46);
+var hiddenKeys = enumBugKeys.concat('length', 'prototype');
+exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
+ return internalObjectKeys(O, hiddenKeys);
+};
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(19);
+var toIndexedObject = __w_pdfjs_require__(13);
+var indexOf = __w_pdfjs_require__(42).indexOf;
+var hiddenKeys = __w_pdfjs_require__(35);
+module.exports = function (object, names) {
+ var O = toIndexedObject(object);
+ var i = 0;
+ var result = [];
+ var key;
+ for (key in O)
+  !has(hiddenKeys, key) && has(O, key) && result.push(key);
+ while (names.length > i)
+  if (has(O, key = names[i++])) {
+   ~indexOf(result, key) || result.push(key);
+  }
+ return result;
+};
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(13);
+var toLength = __w_pdfjs_require__(43);
+var toAbsoluteIndex = __w_pdfjs_require__(45);
+var createMethod = function (IS_INCLUDES) {
+ return function ($this, el, fromIndex) {
+  var O = toIndexedObject($this);
+  var length = toLength(O.length);
+  var index = toAbsoluteIndex(fromIndex, length);
+  var value;
+  if (IS_INCLUDES && el != el)
+   while (length > index) {
+    value = O[index++];
+    if (value != value)
+     return true;
+   }
+  else
+   for (; length > index; index++) {
+    if ((IS_INCLUDES || index in O) && O[index] === el)
+     return IS_INCLUDES || index || 0;
+   }
+  return !IS_INCLUDES && -1;
+ };
+};
+module.exports = {
+ includes: createMethod(true),
+ indexOf: createMethod(false)
+};
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(44);
+var min = Math.min;
+module.exports = function (argument) {
+ return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0;
+};
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports) {
+
+var ceil = Math.ceil;
+var floor = Math.floor;
+module.exports = function (argument) {
+ return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
+};
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(44);
+var max = Math.max;
+var min = Math.min;
+module.exports = function (index, length) {
+ var integer = toInteger(index);
+ return integer < 0 ? max(integer + length, 0) : min(integer, length);
+};
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports) {
+
+module.exports = [
+ 'constructor',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'toLocaleString',
+ 'toString',
+ 'valueOf'
+];
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports) {
+
+exports.f = Object.getOwnPropertySymbols;
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+var replacement = /#|\.prototype\./;
+var isForced = function (feature, detection) {
+ var value = data[normalize(feature)];
+ return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
+};
+var normalize = isForced.normalize = function (string) {
+ return String(string).replace(replacement, '.').toLowerCase();
+};
+var data = isForced.data = {};
+var NATIVE = isForced.NATIVE = 'N';
+var POLYFILL = isForced.POLYFILL = 'P';
+module.exports = isForced;
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(50);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'startsWith');
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(8).f;
+var toLength = __w_pdfjs_require__(43);
+var notARegExp = __w_pdfjs_require__(51);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+var correctIsRegExpLogic = __w_pdfjs_require__(56);
+var IS_PURE = __w_pdfjs_require__(33);
+var nativeStartsWith = ''.startsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ startsWith: function startsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+  var search = String(searchString);
+  return nativeStartsWith ? nativeStartsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
+ }
+});
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isRegExp = __w_pdfjs_require__(52);
+module.exports = function (it) {
+ if (isRegExp(it)) {
+  throw TypeError("The method doesn't accept regular expressions");
+ }
+ return it;
+};
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+var classof = __w_pdfjs_require__(15);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (it) {
+ var isRegExp;
+ return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
+};
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var shared = __w_pdfjs_require__(32);
+var has = __w_pdfjs_require__(19);
+var uid = __w_pdfjs_require__(34);
+var NATIVE_SYMBOL = __w_pdfjs_require__(54);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(55);
+var WellKnownSymbolsStore = shared('wks');
+var Symbol = global.Symbol;
+var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
+module.exports = function (name) {
+ if (!has(WellKnownSymbolsStore, name)) {
+  if (NATIVE_SYMBOL && has(Symbol, name))
+   WellKnownSymbolsStore[name] = Symbol[name];
+  else
+   WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
+ }
+ return WellKnownSymbolsStore[name];
+};
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
+ return !String(Symbol());
+});
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var NATIVE_SYMBOL = __w_pdfjs_require__(54);
+module.exports = NATIVE_SYMBOL && !Symbol.sham && typeof Symbol.iterator == 'symbol';
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var MATCH = wellKnownSymbol('match');
+module.exports = function (METHOD_NAME) {
+ var regexp = /./;
+ try {
+  '/./'[METHOD_NAME](regexp);
+ } catch (e) {
+  try {
+   regexp[MATCH] = false;
+   return '/./'[METHOD_NAME](regexp);
+  } catch (f) {
+  }
+ }
+ return false;
+};
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var bind = __w_pdfjs_require__(58);
+var call = Function.call;
+module.exports = function (CONSTRUCTOR, METHOD, length) {
+ return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);
+};
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var aFunction = __w_pdfjs_require__(59);
+module.exports = function (fn, that, length) {
+ aFunction(fn);
+ if (that === undefined)
+  return fn;
+ switch (length) {
+ case 0:
+  return function () {
+   return fn.call(that);
+  };
+ case 1:
+  return function (a) {
+   return fn.call(that, a);
+  };
+ case 2:
+  return function (a, b) {
+   return fn.call(that, a, b);
+  };
+ case 3:
+  return function (a, b, c) {
+   return fn.call(that, a, b, c);
+  };
+ }
+ return function () {
+  return fn.apply(that, arguments);
+ };
+};
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+ if (typeof it != 'function') {
+  throw TypeError(String(it) + ' is not a function');
+ }
+ return it;
+};
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(61);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'endsWith');
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var getOwnPropertyDescriptor = __w_pdfjs_require__(8).f;
+var toLength = __w_pdfjs_require__(43);
+var notARegExp = __w_pdfjs_require__(51);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+var correctIsRegExpLogic = __w_pdfjs_require__(56);
+var IS_PURE = __w_pdfjs_require__(33);
+var nativeEndsWith = ''.endsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+ var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');
+ return descriptor && !descriptor.writable;
+}();
+$({
+ target: 'String',
+ proto: true,
+ forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+ endsWith: function endsWith(searchString) {
+  var that = String(requireObjectCoercible(this));
+  notARegExp(searchString);
+  var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+  var len = toLength(that.length);
+  var end = endPosition === undefined ? len : min(toLength(endPosition), len);
+  var search = String(searchString);
+  return nativeEndsWith ? nativeEndsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
+ }
+});
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(63);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'includes');
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var notARegExp = __w_pdfjs_require__(51);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+var correctIsRegExpLogic = __w_pdfjs_require__(56);
+$({
+ target: 'String',
+ proto: true,
+ forced: !correctIsRegExpLogic('includes')
+}, {
+ includes: function includes(searchString) {
+  return !!~String(requireObjectCoercible(this)).indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(65);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('Array', 'includes');
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var $includes = __w_pdfjs_require__(42).includes;
+var addToUnscopables = __w_pdfjs_require__(66);
+var arrayMethodUsesToLength = __w_pdfjs_require__(71);
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+ ACCESSORS: true,
+ 1: 0
+});
+$({
+ target: 'Array',
+ proto: true,
+ forced: !USES_TO_LENGTH
+}, {
+ includes: function includes(el) {
+  return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+addToUnscopables('includes');
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var create = __w_pdfjs_require__(67);
+var definePropertyModule = __w_pdfjs_require__(23);
+var UNSCOPABLES = wellKnownSymbol('unscopables');
+var ArrayPrototype = Array.prototype;
+if (ArrayPrototype[UNSCOPABLES] == undefined) {
+ definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
+  configurable: true,
+  value: create(null)
+ });
+}
+module.exports = function (key) {
+ ArrayPrototype[UNSCOPABLES][key] = true;
+};
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(24);
+var defineProperties = __w_pdfjs_require__(68);
+var enumBugKeys = __w_pdfjs_require__(46);
+var hiddenKeys = __w_pdfjs_require__(35);
+var html = __w_pdfjs_require__(70);
+var documentCreateElement = __w_pdfjs_require__(21);
+var sharedKey = __w_pdfjs_require__(31);
+var GT = '>';
+var LT = '<';
+var PROTOTYPE = 'prototype';
+var SCRIPT = 'script';
+var IE_PROTO = sharedKey('IE_PROTO');
+var EmptyConstructor = function () {
+};
+var scriptTag = function (content) {
+ return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
+};
+var NullProtoObjectViaActiveX = function (activeXDocument) {
+ activeXDocument.write(scriptTag(''));
+ activeXDocument.close();
+ var temp = activeXDocument.parentWindow.Object;
+ activeXDocument = null;
+ return temp;
+};
+var NullProtoObjectViaIFrame = function () {
+ var iframe = documentCreateElement('iframe');
+ var JS = 'java' + SCRIPT + ':';
+ var iframeDocument;
+ iframe.style.display = 'none';
+ html.appendChild(iframe);
+ iframe.src = String(JS);
+ iframeDocument = iframe.contentWindow.document;
+ iframeDocument.open();
+ iframeDocument.write(scriptTag('document.F=Object'));
+ iframeDocument.close();
+ return iframeDocument.F;
+};
+var activeXDocument;
+var NullProtoObject = function () {
+ try {
+  activeXDocument = document.domain && new ActiveXObject('htmlfile');
+ } catch (error) {
+ }
+ NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
+ var length = enumBugKeys.length;
+ while (length--)
+  delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
+ return NullProtoObject();
+};
+hiddenKeys[IE_PROTO] = true;
+module.exports = Object.create || function create(O, Properties) {
+ var result;
+ if (O !== null) {
+  EmptyConstructor[PROTOTYPE] = anObject(O);
+  result = new EmptyConstructor();
+  EmptyConstructor[PROTOTYPE] = null;
+  result[IE_PROTO] = O;
+ } else
+  result = NullProtoObject();
+ return Properties === undefined ? result : defineProperties(result, Properties);
+};
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var definePropertyModule = __w_pdfjs_require__(23);
+var anObject = __w_pdfjs_require__(24);
+var objectKeys = __w_pdfjs_require__(69);
+module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
+ anObject(O);
+ var keys = objectKeys(Properties);
+ var length = keys.length;
+ var index = 0;
+ var key;
+ while (length > index)
+  definePropertyModule.f(O, key = keys[index++], Properties[key]);
+ return O;
+};
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var internalObjectKeys = __w_pdfjs_require__(41);
+var enumBugKeys = __w_pdfjs_require__(46);
+module.exports = Object.keys || function keys(O) {
+ return internalObjectKeys(O, enumBugKeys);
+};
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(38);
+module.exports = getBuiltIn('document', 'documentElement');
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var fails = __w_pdfjs_require__(10);
+var has = __w_pdfjs_require__(19);
+var defineProperty = Object.defineProperty;
+var cache = {};
+var thrower = function (it) {
+ throw it;
+};
+module.exports = function (METHOD_NAME, options) {
+ if (has(cache, METHOD_NAME))
+  return cache[METHOD_NAME];
+ if (!options)
+  options = {};
+ var method = [][METHOD_NAME];
+ var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
+ var argument0 = has(options, 0) ? options[0] : thrower;
+ var argument1 = has(options, 1) ? options[1] : undefined;
+ return cache[METHOD_NAME] = !!method && !fails(function () {
+  if (ACCESSORS && !DESCRIPTORS)
+   return true;
+  var O = { length: -1 };
+  if (ACCESSORS)
+   defineProperty(O, 1, {
+    enumerable: true,
+    get: thrower
+   });
+  else
+   O[1] = 1;
+  method.call(O, argument0, argument1);
+ });
+};
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(73);
+__w_pdfjs_require__(85);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Array.from;
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var charAt = __w_pdfjs_require__(74).charAt;
+var InternalStateModule = __w_pdfjs_require__(29);
+var defineIterator = __w_pdfjs_require__(75);
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
+defineIterator(String, 'String', function (iterated) {
+ setInternalState(this, {
+  type: STRING_ITERATOR,
+  string: String(iterated),
+  index: 0
+ });
+}, function next() {
+ var state = getInternalState(this);
+ var string = state.string;
+ var index = state.index;
+ var point;
+ if (index >= string.length)
+  return {
+   value: undefined,
+   done: true
+  };
+ point = charAt(string, index);
+ state.index += point.length;
+ return {
+  value: point,
+  done: false
+ };
+});
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toInteger = __w_pdfjs_require__(44);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+var createMethod = function (CONVERT_TO_STRING) {
+ return function ($this, pos) {
+  var S = String(requireObjectCoercible($this));
+  var position = toInteger(pos);
+  var size = S.length;
+  var first, second;
+  if (position < 0 || position >= size)
+   return CONVERT_TO_STRING ? '' : undefined;
+  first = S.charCodeAt(position);
+  return first < 0xD800 || first > 0xDBFF || position + 1 === size || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF ? CONVERT_TO_STRING ? S.charAt(position) : first : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
+ };
+};
+module.exports = {
+ codeAt: createMethod(false),
+ charAt: createMethod(true)
+};
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var createIteratorConstructor = __w_pdfjs_require__(76);
+var getPrototypeOf = __w_pdfjs_require__(78);
+var setPrototypeOf = __w_pdfjs_require__(83);
+var setToStringTag = __w_pdfjs_require__(81);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var redefine = __w_pdfjs_require__(25);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var IS_PURE = __w_pdfjs_require__(33);
+var Iterators = __w_pdfjs_require__(82);
+var IteratorsCore = __w_pdfjs_require__(77);
+var IteratorPrototype = IteratorsCore.IteratorPrototype;
+var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
+var ITERATOR = wellKnownSymbol('iterator');
+var KEYS = 'keys';
+var VALUES = 'values';
+var ENTRIES = 'entries';
+var returnThis = function () {
+ return this;
+};
+module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
+ createIteratorConstructor(IteratorConstructor, NAME, next);
+ var getIterationMethod = function (KIND) {
+  if (KIND === DEFAULT && defaultIterator)
+   return defaultIterator;
+  if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype)
+   return IterablePrototype[KIND];
+  switch (KIND) {
+  case KEYS:
+   return function keys() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case VALUES:
+   return function values() {
+    return new IteratorConstructor(this, KIND);
+   };
+  case ENTRIES:
+   return function entries() {
+    return new IteratorConstructor(this, KIND);
+   };
+  }
+  return function () {
+   return new IteratorConstructor(this);
+  };
+ };
+ var TO_STRING_TAG = NAME + ' Iterator';
+ var INCORRECT_VALUES_NAME = false;
+ var IterablePrototype = Iterable.prototype;
+ var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
+ var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
+ var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
+ var CurrentIteratorPrototype, methods, KEY;
+ if (anyNativeIterator) {
+  CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
+  if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
+   if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
+    if (setPrototypeOf) {
+     setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
+    } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
+     createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
+    }
+   }
+   setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
+   if (IS_PURE)
+    Iterators[TO_STRING_TAG] = returnThis;
+  }
+ }
+ if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
+  INCORRECT_VALUES_NAME = true;
+  defaultIterator = function values() {
+   return nativeIterator.call(this);
+  };
+ }
+ if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
+  createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
+ }
+ Iterators[NAME] = defaultIterator;
+ if (DEFAULT) {
+  methods = {
+   values: getIterationMethod(VALUES),
+   keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
+   entries: getIterationMethod(ENTRIES)
+  };
+  if (FORCED)
+   for (KEY in methods) {
+    if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
+     redefine(IterablePrototype, KEY, methods[KEY]);
+    }
+   }
+  else
+   $({
+    target: NAME,
+    proto: true,
+    forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
+   }, methods);
+ }
+ return methods;
+};
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var IteratorPrototype = __w_pdfjs_require__(77).IteratorPrototype;
+var create = __w_pdfjs_require__(67);
+var createPropertyDescriptor = __w_pdfjs_require__(12);
+var setToStringTag = __w_pdfjs_require__(81);
+var Iterators = __w_pdfjs_require__(82);
+var returnThis = function () {
+ return this;
+};
+module.exports = function (IteratorConstructor, NAME, next) {
+ var TO_STRING_TAG = NAME + ' Iterator';
+ IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
+ setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
+ Iterators[TO_STRING_TAG] = returnThis;
+ return IteratorConstructor;
+};
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getPrototypeOf = __w_pdfjs_require__(78);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var has = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var IS_PURE = __w_pdfjs_require__(33);
+var ITERATOR = wellKnownSymbol('iterator');
+var BUGGY_SAFARI_ITERATORS = false;
+var returnThis = function () {
+ return this;
+};
+var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
+if ([].keys) {
+ arrayIterator = [].keys();
+ if (!('next' in arrayIterator))
+  BUGGY_SAFARI_ITERATORS = true;
+ else {
+  PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
+  if (PrototypeOfArrayIteratorPrototype !== Object.prototype)
+   IteratorPrototype = PrototypeOfArrayIteratorPrototype;
+ }
+}
+if (IteratorPrototype == undefined)
+ IteratorPrototype = {};
+if (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {
+ createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
+}
+module.exports = {
+ IteratorPrototype: IteratorPrototype,
+ BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
+};
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var has = __w_pdfjs_require__(19);
+var toObject = __w_pdfjs_require__(79);
+var sharedKey = __w_pdfjs_require__(31);
+var CORRECT_PROTOTYPE_GETTER = __w_pdfjs_require__(80);
+var IE_PROTO = sharedKey('IE_PROTO');
+var ObjectPrototype = Object.prototype;
+module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
+ O = toObject(O);
+ if (has(O, IE_PROTO))
+  return O[IE_PROTO];
+ if (typeof O.constructor == 'function' && O instanceof O.constructor) {
+  return O.constructor.prototype;
+ }
+ return O instanceof Object ? ObjectPrototype : null;
+};
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var requireObjectCoercible = __w_pdfjs_require__(16);
+module.exports = function (argument) {
+ return Object(requireObjectCoercible(argument));
+};
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+module.exports = !fails(function () {
+ function F() {
+ }
+ F.prototype.constructor = null;
+ return Object.getPrototypeOf(new F()) !== F.prototype;
+});
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineProperty = __w_pdfjs_require__(23).f;
+var has = __w_pdfjs_require__(19);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+module.exports = function (it, TAG, STATIC) {
+ if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
+  defineProperty(it, TO_STRING_TAG, {
+   configurable: true,
+   value: TAG
+  });
+ }
+};
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(24);
+var aPossiblePrototype = __w_pdfjs_require__(84);
+module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
+ var CORRECT_SETTER = false;
+ var test = {};
+ var setter;
+ try {
+  setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
+  setter.call(test, []);
+  CORRECT_SETTER = test instanceof Array;
+ } catch (error) {
+ }
+ return function setPrototypeOf(O, proto) {
+  anObject(O);
+  aPossiblePrototype(proto);
+  if (CORRECT_SETTER)
+   setter.call(O, proto);
+  else
+   O.__proto__ = proto;
+  return O;
+ };
+}() : undefined);
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+module.exports = function (it) {
+ if (!isObject(it) && it !== null) {
+  throw TypeError("Can't set " + String(it) + ' as a prototype');
+ }
+ return it;
+};
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var from = __w_pdfjs_require__(86);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(93);
+var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
+ Array.from(iterable);
+});
+$({
+ target: 'Array',
+ stat: true,
+ forced: INCORRECT_ITERATION
+}, { from: from });
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var bind = __w_pdfjs_require__(58);
+var toObject = __w_pdfjs_require__(79);
+var callWithSafeIterationClosing = __w_pdfjs_require__(87);
+var isArrayIteratorMethod = __w_pdfjs_require__(88);
+var toLength = __w_pdfjs_require__(43);
+var createProperty = __w_pdfjs_require__(89);
+var getIteratorMethod = __w_pdfjs_require__(90);
+module.exports = function from(arrayLike) {
+ var O = toObject(arrayLike);
+ var C = typeof this == 'function' ? this : Array;
+ var argumentsLength = arguments.length;
+ var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+ var mapping = mapfn !== undefined;
+ var iteratorMethod = getIteratorMethod(O);
+ var index = 0;
+ var length, result, step, iterator, next, value;
+ if (mapping)
+  mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
+ if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
+  iterator = iteratorMethod.call(O);
+  next = iterator.next;
+  result = new C();
+  for (; !(step = next.call(iterator)).done; index++) {
+   value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [
+    step.value,
+    index
+   ], true) : step.value;
+   createProperty(result, index, value);
+  }
+ } else {
+  length = toLength(O.length);
+  result = new C(length);
+  for (; length > index; index++) {
+   value = mapping ? mapfn(O[index], index) : O[index];
+   createProperty(result, index, value);
+  }
+ }
+ result.length = index;
+ return result;
+};
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(24);
+module.exports = function (iterator, fn, value, ENTRIES) {
+ try {
+  return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
+ } catch (error) {
+  var returnMethod = iterator['return'];
+  if (returnMethod !== undefined)
+   anObject(returnMethod.call(iterator));
+  throw error;
+ }
+};
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var Iterators = __w_pdfjs_require__(82);
+var ITERATOR = wellKnownSymbol('iterator');
+var ArrayPrototype = Array.prototype;
+module.exports = function (it) {
+ return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
+};
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toPrimitive = __w_pdfjs_require__(17);
+var definePropertyModule = __w_pdfjs_require__(23);
+var createPropertyDescriptor = __w_pdfjs_require__(12);
+module.exports = function (object, key, value) {
+ var propertyKey = toPrimitive(key);
+ if (propertyKey in object)
+  definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
+ else
+  object[propertyKey] = value;
+};
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(91);
+var Iterators = __w_pdfjs_require__(82);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = function (it) {
+ if (it != undefined)
+  return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
+};
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(92);
+var classofRaw = __w_pdfjs_require__(15);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var CORRECT_ARGUMENTS = classofRaw(function () {
+ return arguments;
+}()) == 'Arguments';
+var tryGet = function (it, key) {
+ try {
+  return it[key];
+ } catch (error) {
+ }
+};
+module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
+ var O, tag, result;
+ return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag : CORRECT_ARGUMENTS ? classofRaw(O) : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
+};
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var test = {};
+test[TO_STRING_TAG] = 'z';
+module.exports = String(test) === '[object z]';
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var ITERATOR = wellKnownSymbol('iterator');
+var SAFE_CLOSING = false;
+try {
+ var called = 0;
+ var iteratorWithReturn = {
+  next: function () {
+   return { done: !!called++ };
+  },
+  'return': function () {
+   SAFE_CLOSING = true;
+  }
+ };
+ iteratorWithReturn[ITERATOR] = function () {
+  return this;
+ };
+ Array.from(iteratorWithReturn, function () {
+  throw 2;
+ });
+} catch (error) {
+}
+module.exports = function (exec, SKIP_CLOSING) {
+ if (!SKIP_CLOSING && !SAFE_CLOSING)
+  return false;
+ var ITERATION_SUPPORT = false;
+ try {
+  var object = {};
+  object[ITERATOR] = function () {
+   return {
+    next: function () {
+     return { done: ITERATION_SUPPORT = true };
+    }
+   };
+  };
+  exec(object);
+ } catch (error) {
+ }
+ return ITERATION_SUPPORT;
+};
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(95);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Object.assign;
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var assign = __w_pdfjs_require__(96);
+$({
+ target: 'Object',
+ stat: true,
+ forced: Object.assign !== assign
+}, { assign: assign });
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var fails = __w_pdfjs_require__(10);
+var objectKeys = __w_pdfjs_require__(69);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(47);
+var propertyIsEnumerableModule = __w_pdfjs_require__(11);
+var toObject = __w_pdfjs_require__(79);
+var IndexedObject = __w_pdfjs_require__(14);
+var nativeAssign = Object.assign;
+var defineProperty = Object.defineProperty;
+module.exports = !nativeAssign || fails(function () {
+ if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {
+   enumerable: true,
+   get: function () {
+    defineProperty(this, 'b', {
+     value: 3,
+     enumerable: false
+    });
+   }
+  }), { b: 2 })).b !== 1)
+  return true;
+ var A = {};
+ var B = {};
+ var symbol = Symbol();
+ var alphabet = 'abcdefghijklmnopqrst';
+ A[symbol] = 7;
+ alphabet.split('').forEach(function (chr) {
+  B[chr] = chr;
+ });
+ return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
+}) ? function assign(target, source) {
+ var T = toObject(target);
+ var argumentsLength = arguments.length;
+ var index = 1;
+ var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+ var propertyIsEnumerable = propertyIsEnumerableModule.f;
+ while (argumentsLength > index) {
+  var S = IndexedObject(arguments[index++]);
+  var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
+  var length = keys.length;
+  var j = 0;
+  var key;
+  while (length > j) {
+   key = keys[j++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(S, key))
+    T[key] = S[key];
+  }
+ }
+ return T;
+} : nativeAssign;
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(98);
+__w_pdfjs_require__(99);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Object.fromEntries;
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toIndexedObject = __w_pdfjs_require__(13);
+var addToUnscopables = __w_pdfjs_require__(66);
+var Iterators = __w_pdfjs_require__(82);
+var InternalStateModule = __w_pdfjs_require__(29);
+var defineIterator = __w_pdfjs_require__(75);
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+ setInternalState(this, {
+  type: ARRAY_ITERATOR,
+  target: toIndexedObject(iterated),
+  index: 0,
+  kind: kind
+ });
+}, function () {
+ var state = getInternalState(this);
+ var target = state.target;
+ var kind = state.kind;
+ var index = state.index++;
+ if (!target || index >= target.length) {
+  state.target = undefined;
+  return {
+   value: undefined,
+   done: true
+  };
+ }
+ if (kind == 'keys')
+  return {
+   value: index,
+   done: false
+  };
+ if (kind == 'values')
+  return {
+   value: target[index],
+   done: false
+  };
+ return {
+  value: [
+   index,
+   target[index]
+  ],
+  done: false
+ };
+}, 'values');
+Iterators.Arguments = Iterators.Array;
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var iterate = __w_pdfjs_require__(100);
+var createProperty = __w_pdfjs_require__(89);
+$({
+ target: 'Object',
+ stat: true
+}, {
+ fromEntries: function fromEntries(iterable) {
+  var obj = {};
+  iterate(iterable, function (k, v) {
+   createProperty(obj, k, v);
+  }, undefined, true);
+  return obj;
+ }
+});
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(24);
+var isArrayIteratorMethod = __w_pdfjs_require__(88);
+var toLength = __w_pdfjs_require__(43);
+var bind = __w_pdfjs_require__(58);
+var getIteratorMethod = __w_pdfjs_require__(90);
+var callWithSafeIterationClosing = __w_pdfjs_require__(87);
+var Result = function (stopped, result) {
+ this.stopped = stopped;
+ this.result = result;
+};
+var iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
+ var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);
+ var iterator, iterFn, index, length, result, next, step;
+ if (IS_ITERATOR) {
+  iterator = iterable;
+ } else {
+  iterFn = getIteratorMethod(iterable);
+  if (typeof iterFn != 'function')
+   throw TypeError('Target is not iterable');
+  if (isArrayIteratorMethod(iterFn)) {
+   for (index = 0, length = toLength(iterable.length); length > index; index++) {
+    result = AS_ENTRIES ? boundFunction(anObject(step = iterable[index])[0], step[1]) : boundFunction(iterable[index]);
+    if (result && result instanceof Result)
+     return result;
+   }
+   return new Result(false);
+  }
+  iterator = iterFn.call(iterable);
+ }
+ next = iterator.next;
+ while (!(step = next.call(iterator)).done) {
+  result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
+  if (typeof result == 'object' && result && result instanceof Result)
+   return result;
+ }
+ return new Result(false);
+};
+iterate.stop = function (result) {
+ return new Result(true, result);
+};
+
+/***/ }),
+/* 101 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(102);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Math.log2;
+
+/***/ }),
+/* 102 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var log = Math.log;
+var LN2 = Math.LN2;
+$({
+ target: 'Math',
+ stat: true
+}, {
+ log2: function log2(x) {
+  return log(x) / LN2;
+ }
+});
+
+/***/ }),
+/* 103 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(104);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Number.isNaN;
+
+/***/ }),
+/* 104 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+$({
+ target: 'Number',
+ stat: true
+}, {
+ isNaN: function isNaN(number) {
+  return number != number;
+ }
+});
+
+/***/ }),
+/* 105 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(106);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Number.isInteger;
+
+/***/ }),
+/* 106 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var isInteger = __w_pdfjs_require__(107);
+$({
+ target: 'Number',
+ stat: true
+}, { isInteger: isInteger });
+
+/***/ }),
+/* 107 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+var floor = Math.floor;
+module.exports = function isInteger(it) {
+ return !isObject(it) && isFinite(it) && floor(it) === it;
+};
+
+/***/ }),
+/* 108 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(109);
+
+/***/ }),
+/* 109 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var ArrayBufferViewCore = __w_pdfjs_require__(110);
+var speciesConstructor = __w_pdfjs_require__(112);
+var fails = __w_pdfjs_require__(10);
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $slice = [].slice;
+var FORCED = fails(function () {
+ new Int8Array(1).slice();
+});
+exportTypedArrayMethod('slice', function slice(start, end) {
+ var list = $slice.call(aTypedArray(this), start, end);
+ var C = speciesConstructor(this, this.constructor);
+ var index = 0;
+ var length = list.length;
+ var result = new (aTypedArrayConstructor(C))(length);
+ while (length > index)
+  result[index] = list[index++];
+ return result;
+}, FORCED);
+
+/***/ }),
+/* 110 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var NATIVE_ARRAY_BUFFER = __w_pdfjs_require__(111);
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var global = __w_pdfjs_require__(7);
+var isObject = __w_pdfjs_require__(18);
+var has = __w_pdfjs_require__(19);
+var classof = __w_pdfjs_require__(91);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var redefine = __w_pdfjs_require__(25);
+var defineProperty = __w_pdfjs_require__(23).f;
+var getPrototypeOf = __w_pdfjs_require__(78);
+var setPrototypeOf = __w_pdfjs_require__(83);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var uid = __w_pdfjs_require__(34);
+var Int8Array = global.Int8Array;
+var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
+var Uint8ClampedArray = global.Uint8ClampedArray;
+var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
+var TypedArray = Int8Array && getPrototypeOf(Int8Array);
+var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
+var ObjectPrototype = Object.prototype;
+var isPrototypeOf = ObjectPrototype.isPrototypeOf;
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
+var NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';
+var TYPED_ARRAY_TAG_REQIRED = false;
+var NAME;
+var TypedArrayConstructorsList = {
+ Int8Array: 1,
+ Uint8Array: 1,
+ Uint8ClampedArray: 1,
+ Int16Array: 2,
+ Uint16Array: 2,
+ Int32Array: 4,
+ Uint32Array: 4,
+ Float32Array: 4,
+ Float64Array: 8
+};
+var isView = function isView(it) {
+ var klass = classof(it);
+ return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
+};
+var isTypedArray = function (it) {
+ return isObject(it) && has(TypedArrayConstructorsList, classof(it));
+};
+var aTypedArray = function (it) {
+ if (isTypedArray(it))
+  return it;
+ throw TypeError('Target is not a typed array');
+};
+var aTypedArrayConstructor = function (C) {
+ if (setPrototypeOf) {
+  if (isPrototypeOf.call(TypedArray, C))
+   return C;
+ } else
+  for (var ARRAY in TypedArrayConstructorsList)
+   if (has(TypedArrayConstructorsList, NAME)) {
+    var TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
+     return C;
+    }
+   }
+ throw TypeError('Target is not a typed array constructor');
+};
+var exportTypedArrayMethod = function (KEY, property, forced) {
+ if (!DESCRIPTORS)
+  return;
+ if (forced)
+  for (var ARRAY in TypedArrayConstructorsList) {
+   var TypedArrayConstructor = global[ARRAY];
+   if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
+    delete TypedArrayConstructor.prototype[KEY];
+   }
+  }
+ if (!TypedArrayPrototype[KEY] || forced) {
+  redefine(TypedArrayPrototype, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
+ }
+};
+var exportTypedArrayStaticMethod = function (KEY, property, forced) {
+ var ARRAY, TypedArrayConstructor;
+ if (!DESCRIPTORS)
+  return;
+ if (setPrototypeOf) {
+  if (forced)
+   for (ARRAY in TypedArrayConstructorsList) {
+    TypedArrayConstructor = global[ARRAY];
+    if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
+     delete TypedArrayConstructor[KEY];
+    }
+   }
+  if (!TypedArray[KEY] || forced) {
+   try {
+    return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);
+   } catch (error) {
+   }
+  } else
+   return;
+ }
+ for (ARRAY in TypedArrayConstructorsList) {
+  TypedArrayConstructor = global[ARRAY];
+  if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
+   redefine(TypedArrayConstructor, KEY, property);
+  }
+ }
+};
+for (NAME in TypedArrayConstructorsList) {
+ if (!global[NAME])
+  NATIVE_ARRAY_BUFFER_VIEWS = false;
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
+ TypedArray = function TypedArray() {
+  throw TypeError('Incorrect invocation');
+ };
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME], TypedArray);
+  }
+}
+if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {
+ TypedArrayPrototype = TypedArray.prototype;
+ if (NATIVE_ARRAY_BUFFER_VIEWS)
+  for (NAME in TypedArrayConstructorsList) {
+   if (global[NAME])
+    setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);
+  }
+}
+if (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
+ setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
+}
+if (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {
+ TYPED_ARRAY_TAG_REQIRED = true;
+ defineProperty(TypedArrayPrototype, TO_STRING_TAG, {
+  get: function () {
+   return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
+  }
+ });
+ for (NAME in TypedArrayConstructorsList)
+  if (global[NAME]) {
+   createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);
+  }
+}
+module.exports = {
+ NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
+ TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
+ aTypedArray: aTypedArray,
+ aTypedArrayConstructor: aTypedArrayConstructor,
+ exportTypedArrayMethod: exportTypedArrayMethod,
+ exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
+ isView: isView,
+ isTypedArray: isTypedArray,
+ TypedArray: TypedArray,
+ TypedArrayPrototype: TypedArrayPrototype
+};
+
+/***/ }),
+/* 111 */
+/***/ (function(module, exports) {
+
+module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';
+
+/***/ }),
+/* 112 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var anObject = __w_pdfjs_require__(24);
+var aFunction = __w_pdfjs_require__(59);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (O, defaultConstructor) {
+ var C = anObject(O).constructor;
+ var S;
+ return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
+};
+
+/***/ }),
+/* 113 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(114);
+__w_pdfjs_require__(123);
+__w_pdfjs_require__(73);
+__w_pdfjs_require__(125);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Map;
+
+/***/ }),
+/* 114 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(115);
+var collectionStrong = __w_pdfjs_require__(120);
+module.exports = collection('Map', function (init) {
+ return function Map() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 115 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var global = __w_pdfjs_require__(7);
+var isForced = __w_pdfjs_require__(48);
+var redefine = __w_pdfjs_require__(25);
+var InternalMetadataModule = __w_pdfjs_require__(116);
+var iterate = __w_pdfjs_require__(100);
+var anInstance = __w_pdfjs_require__(118);
+var isObject = __w_pdfjs_require__(18);
+var fails = __w_pdfjs_require__(10);
+var checkCorrectnessOfIteration = __w_pdfjs_require__(93);
+var setToStringTag = __w_pdfjs_require__(81);
+var inheritIfRequired = __w_pdfjs_require__(119);
+module.exports = function (CONSTRUCTOR_NAME, wrapper, common) {
+ var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
+ var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
+ var ADDER = IS_MAP ? 'set' : 'add';
+ var NativeConstructor = global[CONSTRUCTOR_NAME];
+ var NativePrototype = NativeConstructor && NativeConstructor.prototype;
+ var Constructor = NativeConstructor;
+ var exported = {};
+ var fixMethod = function (KEY) {
+  var nativeMethod = NativePrototype[KEY];
+  redefine(NativePrototype, KEY, KEY == 'add' ? function add(value) {
+   nativeMethod.call(this, value === 0 ? 0 : value);
+   return this;
+  } : KEY == 'delete' ? function (key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'get' ? function get(key) {
+   return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : KEY == 'has' ? function has(key) {
+   return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+  } : function set(key, value) {
+   nativeMethod.call(this, key === 0 ? 0 : key, value);
+   return this;
+  });
+ };
+ if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
+   new NativeConstructor().entries().next();
+  })))) {
+  Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
+  InternalMetadataModule.REQUIRED = true;
+ } else if (isForced(CONSTRUCTOR_NAME, true)) {
+  var instance = new Constructor();
+  var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
+  var THROWS_ON_PRIMITIVES = fails(function () {
+   instance.has(1);
+  });
+  var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) {
+   new NativeConstructor(iterable);
+  });
+  var BUGGY_ZERO = !IS_WEAK && fails(function () {
+   var $instance = new NativeConstructor();
+   var index = 5;
+   while (index--)
+    $instance[ADDER](index, index);
+   return !$instance.has(-0);
+  });
+  if (!ACCEPT_ITERABLES) {
+   Constructor = wrapper(function (dummy, iterable) {
+    anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
+    var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
+    if (iterable != undefined)
+     iterate(iterable, that[ADDER], that, IS_MAP);
+    return that;
+   });
+   Constructor.prototype = NativePrototype;
+   NativePrototype.constructor = Constructor;
+  }
+  if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+   fixMethod('delete');
+   fixMethod('has');
+   IS_MAP && fixMethod('get');
+  }
+  if (BUGGY_ZERO || HASNT_CHAINING)
+   fixMethod(ADDER);
+  if (IS_WEAK && NativePrototype.clear)
+   delete NativePrototype.clear;
+ }
+ exported[CONSTRUCTOR_NAME] = Constructor;
+ $({
+  global: true,
+  forced: Constructor != NativeConstructor
+ }, exported);
+ setToStringTag(Constructor, CONSTRUCTOR_NAME);
+ if (!IS_WEAK)
+  common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
+ return Constructor;
+};
+
+/***/ }),
+/* 116 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var hiddenKeys = __w_pdfjs_require__(35);
+var isObject = __w_pdfjs_require__(18);
+var has = __w_pdfjs_require__(19);
+var defineProperty = __w_pdfjs_require__(23).f;
+var uid = __w_pdfjs_require__(34);
+var FREEZING = __w_pdfjs_require__(117);
+var METADATA = uid('meta');
+var id = 0;
+var isExtensible = Object.isExtensible || function () {
+ return true;
+};
+var setMetadata = function (it) {
+ defineProperty(it, METADATA, {
+  value: {
+   objectID: 'O' + ++id,
+   weakData: {}
+  }
+ });
+};
+var fastKey = function (it, create) {
+ if (!isObject(it))
+  return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return 'F';
+  if (!create)
+   return 'E';
+  setMetadata(it);
+ }
+ return it[METADATA].objectID;
+};
+var getWeakData = function (it, create) {
+ if (!has(it, METADATA)) {
+  if (!isExtensible(it))
+   return true;
+  if (!create)
+   return false;
+  setMetadata(it);
+ }
+ return it[METADATA].weakData;
+};
+var onFreeze = function (it) {
+ if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA))
+  setMetadata(it);
+ return it;
+};
+var meta = module.exports = {
+ REQUIRED: false,
+ fastKey: fastKey,
+ getWeakData: getWeakData,
+ onFreeze: onFreeze
+};
+hiddenKeys[METADATA] = true;
+
+/***/ }),
+/* 117 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+module.exports = !fails(function () {
+ return Object.isExtensible(Object.preventExtensions({}));
+});
+
+/***/ }),
+/* 118 */
+/***/ (function(module, exports) {
+
+module.exports = function (it, Constructor, name) {
+ if (!(it instanceof Constructor)) {
+  throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
+ }
+ return it;
+};
+
+/***/ }),
+/* 119 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+var setPrototypeOf = __w_pdfjs_require__(83);
+module.exports = function ($this, dummy, Wrapper) {
+ var NewTarget, NewTargetPrototype;
+ if (setPrototypeOf && typeof (NewTarget = dummy.constructor) == 'function' && NewTarget !== Wrapper && isObject(NewTargetPrototype = NewTarget.prototype) && NewTargetPrototype !== Wrapper.prototype)
+  setPrototypeOf($this, NewTargetPrototype);
+ return $this;
+};
+
+/***/ }),
+/* 120 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var defineProperty = __w_pdfjs_require__(23).f;
+var create = __w_pdfjs_require__(67);
+var redefineAll = __w_pdfjs_require__(121);
+var bind = __w_pdfjs_require__(58);
+var anInstance = __w_pdfjs_require__(118);
+var iterate = __w_pdfjs_require__(100);
+var defineIterator = __w_pdfjs_require__(75);
+var setSpecies = __w_pdfjs_require__(122);
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var fastKey = __w_pdfjs_require__(116).fastKey;
+var InternalStateModule = __w_pdfjs_require__(29);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    index: create(null),
+    first: undefined,
+    last: undefined,
+    size: 0
+   });
+   if (!DESCRIPTORS)
+    that.size = 0;
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var entry = getEntry(that, key);
+   var previous, index;
+   if (entry) {
+    entry.value = value;
+   } else {
+    state.last = entry = {
+     index: index = fastKey(key, true),
+     key: key,
+     value: value,
+     previous: previous = state.last,
+     next: undefined,
+     removed: false
+    };
+    if (!state.first)
+     state.first = entry;
+    if (previous)
+     previous.next = entry;
+    if (DESCRIPTORS)
+     state.size++;
+    else
+     that.size++;
+    if (index !== 'F')
+     state.index[index] = entry;
+   }
+   return that;
+  };
+  var getEntry = function (that, key) {
+   var state = getInternalState(that);
+   var index = fastKey(key);
+   var entry;
+   if (index !== 'F')
+    return state.index[index];
+   for (entry = state.first; entry; entry = entry.next) {
+    if (entry.key == key)
+     return entry;
+   }
+  };
+  redefineAll(C.prototype, {
+   clear: function clear() {
+    var that = this;
+    var state = getInternalState(that);
+    var data = state.index;
+    var entry = state.first;
+    while (entry) {
+     entry.removed = true;
+     if (entry.previous)
+      entry.previous = entry.previous.next = undefined;
+     delete data[entry.index];
+     entry = entry.next;
+    }
+    state.first = state.last = undefined;
+    if (DESCRIPTORS)
+     state.size = 0;
+    else
+     that.size = 0;
+   },
+   'delete': function (key) {
+    var that = this;
+    var state = getInternalState(that);
+    var entry = getEntry(that, key);
+    if (entry) {
+     var next = entry.next;
+     var prev = entry.previous;
+     delete state.index[entry.index];
+     entry.removed = true;
+     if (prev)
+      prev.next = next;
+     if (next)
+      next.previous = prev;
+     if (state.first == entry)
+      state.first = next;
+     if (state.last == entry)
+      state.last = prev;
+     if (DESCRIPTORS)
+      state.size--;
+     else
+      that.size--;
+    }
+    return !!entry;
+   },
+   forEach: function forEach(callbackfn) {
+    var state = getInternalState(this);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var entry;
+    while (entry = entry ? entry.next : state.first) {
+     boundFunction(entry.value, entry.key, this);
+     while (entry && entry.removed)
+      entry = entry.previous;
+    }
+   },
+   has: function has(key) {
+    return !!getEntry(this, key);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var entry = getEntry(this, key);
+    return entry && entry.value;
+   },
+   set: function set(key, value) {
+    return define(this, key === 0 ? 0 : key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value = value === 0 ? 0 : value, value);
+   }
+  });
+  if (DESCRIPTORS)
+   defineProperty(C.prototype, 'size', {
+    get: function () {
+     return getInternalState(this).size;
+    }
+   });
+  return C;
+ },
+ setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {
+  var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
+  var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);
+  defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
+   setInternalState(this, {
+    type: ITERATOR_NAME,
+    target: iterated,
+    state: getInternalCollectionState(iterated),
+    kind: kind,
+    last: undefined
+   });
+  }, function () {
+   var state = getInternalIteratorState(this);
+   var kind = state.kind;
+   var entry = state.last;
+   while (entry && entry.removed)
+    entry = entry.previous;
+   if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
+    state.target = undefined;
+    return {
+     value: undefined,
+     done: true
+    };
+   }
+   if (kind == 'keys')
+    return {
+     value: entry.key,
+     done: false
+    };
+   if (kind == 'values')
+    return {
+     value: entry.value,
+     done: false
+    };
+   return {
+    value: [
+     entry.key,
+     entry.value
+    ],
+    done: false
+   };
+  }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);
+  setSpecies(CONSTRUCTOR_NAME);
+ }
+};
+
+/***/ }),
+/* 121 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var redefine = __w_pdfjs_require__(25);
+module.exports = function (target, src, options) {
+ for (var key in src)
+  redefine(target, key, src[key], options);
+ return target;
+};
+
+/***/ }),
+/* 122 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var getBuiltIn = __w_pdfjs_require__(38);
+var definePropertyModule = __w_pdfjs_require__(23);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (CONSTRUCTOR_NAME) {
+ var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
+ var defineProperty = definePropertyModule.f;
+ if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
+  defineProperty(Constructor, SPECIES, {
+   configurable: true,
+   get: function () {
+    return this;
+   }
+  });
+ }
+};
+
+/***/ }),
+/* 123 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(92);
+var redefine = __w_pdfjs_require__(25);
+var toString = __w_pdfjs_require__(124);
+if (!TO_STRING_TAG_SUPPORT) {
+ redefine(Object.prototype, 'toString', toString, { unsafe: true });
+}
+
+/***/ }),
+/* 124 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(92);
+var classof = __w_pdfjs_require__(91);
+module.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {
+ return '[object ' + classof(this) + ']';
+};
+
+/***/ }),
+/* 125 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var DOMIterables = __w_pdfjs_require__(126);
+var ArrayIteratorMethods = __w_pdfjs_require__(98);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+for (var COLLECTION_NAME in DOMIterables) {
+ var Collection = global[COLLECTION_NAME];
+ var CollectionPrototype = Collection && Collection.prototype;
+ if (CollectionPrototype) {
+  if (CollectionPrototype[ITERATOR] !== ArrayValues)
+   try {
+    createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
+   } catch (error) {
+    CollectionPrototype[ITERATOR] = ArrayValues;
+   }
+  if (!CollectionPrototype[TO_STRING_TAG]) {
+   createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+  }
+  if (DOMIterables[COLLECTION_NAME])
+   for (var METHOD_NAME in ArrayIteratorMethods) {
+    if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME])
+     try {
+      createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
+     } catch (error) {
+      CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
+     }
+   }
+ }
+}
+
+/***/ }),
+/* 126 */
+/***/ (function(module, exports) {
+
+module.exports = {
+ CSSRuleList: 0,
+ CSSStyleDeclaration: 0,
+ CSSValueList: 0,
+ ClientRectList: 0,
+ DOMRectList: 0,
+ DOMStringList: 0,
+ DOMTokenList: 1,
+ DataTransferItemList: 0,
+ FileList: 0,
+ HTMLAllCollection: 0,
+ HTMLCollection: 0,
+ HTMLFormElement: 0,
+ HTMLSelectElement: 0,
+ MediaList: 0,
+ MimeTypeArray: 0,
+ NamedNodeMap: 0,
+ NodeList: 1,
+ PaintRequestList: 0,
+ Plugin: 0,
+ PluginArray: 0,
+ SVGLengthList: 0,
+ SVGNumberList: 0,
+ SVGPathSegList: 0,
+ SVGPointList: 0,
+ SVGStringList: 0,
+ SVGTransformList: 0,
+ SourceBufferList: 0,
+ StyleSheetList: 0,
+ TextTrackCueList: 0,
+ TextTrackList: 0,
+ TouchList: 0
+};
+
+/***/ }),
+/* 127 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(128);
+__w_pdfjs_require__(123);
+__w_pdfjs_require__(73);
+__w_pdfjs_require__(125);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Set;
+
+/***/ }),
+/* 128 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(115);
+var collectionStrong = __w_pdfjs_require__(120);
+module.exports = collection('Set', function (init) {
+ return function Set() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionStrong);
+
+/***/ }),
+/* 129 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(123);
+__w_pdfjs_require__(130);
+__w_pdfjs_require__(125);
+var path = __w_pdfjs_require__(39);
+module.exports = path.WeakMap;
+
+/***/ }),
+/* 130 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var global = __w_pdfjs_require__(7);
+var redefineAll = __w_pdfjs_require__(121);
+var InternalMetadataModule = __w_pdfjs_require__(116);
+var collection = __w_pdfjs_require__(115);
+var collectionWeak = __w_pdfjs_require__(131);
+var isObject = __w_pdfjs_require__(18);
+var enforceIternalState = __w_pdfjs_require__(29).enforce;
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(30);
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var isExtensible = Object.isExtensible;
+var InternalWeakMap;
+var wrapper = function (init) {
+ return function WeakMap() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+};
+var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);
+if (NATIVE_WEAK_MAP && IS_IE11) {
+ InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
+ InternalMetadataModule.REQUIRED = true;
+ var WeakMapPrototype = $WeakMap.prototype;
+ var nativeDelete = WeakMapPrototype['delete'];
+ var nativeHas = WeakMapPrototype.has;
+ var nativeGet = WeakMapPrototype.get;
+ var nativeSet = WeakMapPrototype.set;
+ redefineAll(WeakMapPrototype, {
+  'delete': function (key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeDelete.call(this, key) || state.frozen['delete'](key);
+   }
+   return nativeDelete.call(this, key);
+  },
+  has: function has(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) || state.frozen.has(key);
+   }
+   return nativeHas.call(this, key);
+  },
+  get: function get(key) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
+   }
+   return nativeGet.call(this, key);
+  },
+  set: function set(key, value) {
+   if (isObject(key) && !isExtensible(key)) {
+    var state = enforceIternalState(this);
+    if (!state.frozen)
+     state.frozen = new InternalWeakMap();
+    nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
+   } else
+    nativeSet.call(this, key, value);
+   return this;
+  }
+ });
+}
+
+/***/ }),
+/* 131 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var redefineAll = __w_pdfjs_require__(121);
+var getWeakData = __w_pdfjs_require__(116).getWeakData;
+var anObject = __w_pdfjs_require__(24);
+var isObject = __w_pdfjs_require__(18);
+var anInstance = __w_pdfjs_require__(118);
+var iterate = __w_pdfjs_require__(100);
+var ArrayIterationModule = __w_pdfjs_require__(132);
+var $has = __w_pdfjs_require__(19);
+var InternalStateModule = __w_pdfjs_require__(29);
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+var find = ArrayIterationModule.find;
+var findIndex = ArrayIterationModule.findIndex;
+var id = 0;
+var uncaughtFrozenStore = function (store) {
+ return store.frozen || (store.frozen = new UncaughtFrozenStore());
+};
+var UncaughtFrozenStore = function () {
+ this.entries = [];
+};
+var findUncaughtFrozen = function (store, key) {
+ return find(store.entries, function (it) {
+  return it[0] === key;
+ });
+};
+UncaughtFrozenStore.prototype = {
+ get: function (key) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   return entry[1];
+ },
+ has: function (key) {
+  return !!findUncaughtFrozen(this, key);
+ },
+ set: function (key, value) {
+  var entry = findUncaughtFrozen(this, key);
+  if (entry)
+   entry[1] = value;
+  else
+   this.entries.push([
+    key,
+    value
+   ]);
+ },
+ 'delete': function (key) {
+  var index = findIndex(this.entries, function (it) {
+   return it[0] === key;
+  });
+  if (~index)
+   this.entries.splice(index, 1);
+  return !!~index;
+ }
+};
+module.exports = {
+ getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+  var C = wrapper(function (that, iterable) {
+   anInstance(that, C, CONSTRUCTOR_NAME);
+   setInternalState(that, {
+    type: CONSTRUCTOR_NAME,
+    id: id++,
+    frozen: undefined
+   });
+   if (iterable != undefined)
+    iterate(iterable, that[ADDER], that, IS_MAP);
+  });
+  var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+  var define = function (that, key, value) {
+   var state = getInternalState(that);
+   var data = getWeakData(anObject(key), true);
+   if (data === true)
+    uncaughtFrozenStore(state).set(key, value);
+   else
+    data[state.id] = value;
+   return that;
+  };
+  redefineAll(C.prototype, {
+   'delete': function (key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state)['delete'](key);
+    return data && $has(data, state.id) && delete data[state.id];
+   },
+   has: function has(key) {
+    var state = getInternalState(this);
+    if (!isObject(key))
+     return false;
+    var data = getWeakData(key);
+    if (data === true)
+     return uncaughtFrozenStore(state).has(key);
+    return data && $has(data, state.id);
+   }
+  });
+  redefineAll(C.prototype, IS_MAP ? {
+   get: function get(key) {
+    var state = getInternalState(this);
+    if (isObject(key)) {
+     var data = getWeakData(key);
+     if (data === true)
+      return uncaughtFrozenStore(state).get(key);
+     return data ? data[state.id] : undefined;
+    }
+   },
+   set: function set(key, value) {
+    return define(this, key, value);
+   }
+  } : {
+   add: function add(value) {
+    return define(this, value, true);
+   }
+  });
+  return C;
+ }
+};
+
+/***/ }),
+/* 132 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var bind = __w_pdfjs_require__(58);
+var IndexedObject = __w_pdfjs_require__(14);
+var toObject = __w_pdfjs_require__(79);
+var toLength = __w_pdfjs_require__(43);
+var arraySpeciesCreate = __w_pdfjs_require__(133);
+var push = [].push;
+var createMethod = function (TYPE) {
+ var IS_MAP = TYPE == 1;
+ var IS_FILTER = TYPE == 2;
+ var IS_SOME = TYPE == 3;
+ var IS_EVERY = TYPE == 4;
+ var IS_FIND_INDEX = TYPE == 6;
+ var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+ return function ($this, callbackfn, that, specificCreate) {
+  var O = toObject($this);
+  var self = IndexedObject(O);
+  var boundFunction = bind(callbackfn, that, 3);
+  var length = toLength(self.length);
+  var index = 0;
+  var create = specificCreate || arraySpeciesCreate;
+  var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+  var value, result;
+  for (; length > index; index++)
+   if (NO_HOLES || index in self) {
+    value = self[index];
+    result = boundFunction(value, index, O);
+    if (TYPE) {
+     if (IS_MAP)
+      target[index] = result;
+     else if (result)
+      switch (TYPE) {
+      case 3:
+       return true;
+      case 5:
+       return value;
+      case 6:
+       return index;
+      case 2:
+       push.call(target, value);
+      }
+     else if (IS_EVERY)
+      return false;
+    }
+   }
+  return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
+ };
+};
+module.exports = {
+ forEach: createMethod(0),
+ map: createMethod(1),
+ filter: createMethod(2),
+ some: createMethod(3),
+ every: createMethod(4),
+ find: createMethod(5),
+ findIndex: createMethod(6)
+};
+
+/***/ }),
+/* 133 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var isObject = __w_pdfjs_require__(18);
+var isArray = __w_pdfjs_require__(134);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (originalArray, length) {
+ var C;
+ if (isArray(originalArray)) {
+  C = originalArray.constructor;
+  if (typeof C == 'function' && (C === Array || isArray(C.prototype)))
+   C = undefined;
+  else if (isObject(C)) {
+   C = C[SPECIES];
+   if (C === null)
+    C = undefined;
+  }
+ }
+ return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
+};
+
+/***/ }),
+/* 134 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var classof = __w_pdfjs_require__(15);
+module.exports = Array.isArray || function isArray(arg) {
+ return classof(arg) == 'Array';
+};
+
+/***/ }),
+/* 135 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(123);
+__w_pdfjs_require__(136);
+__w_pdfjs_require__(125);
+var path = __w_pdfjs_require__(39);
+module.exports = path.WeakSet;
+
+/***/ }),
+/* 136 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var collection = __w_pdfjs_require__(115);
+var collectionWeak = __w_pdfjs_require__(131);
+collection('WeakSet', function (init) {
+ return function WeakSet() {
+  return init(this, arguments.length ? arguments[0] : undefined);
+ };
+}, collectionWeak);
+
+/***/ }),
+/* 137 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(138);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'codePointAt');
+
+/***/ }),
+/* 138 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var codeAt = __w_pdfjs_require__(74).codeAt;
+$({
+ target: 'String',
+ proto: true
+}, {
+ codePointAt: function codePointAt(pos) {
+  return codeAt(this, pos);
+ }
+});
+
+/***/ }),
+/* 139 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(140);
+var path = __w_pdfjs_require__(39);
+module.exports = path.String.fromCodePoint;
+
+/***/ }),
+/* 140 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var toAbsoluteIndex = __w_pdfjs_require__(45);
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint;
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;
+$({
+ target: 'String',
+ stat: true,
+ forced: INCORRECT_LENGTH
+}, {
+ fromCodePoint: function fromCodePoint(x) {
+  var elements = [];
+  var length = arguments.length;
+  var i = 0;
+  var code;
+  while (length > i) {
+   code = +arguments[i++];
+   if (toAbsoluteIndex(code, 0x10FFFF) !== code)
+    throw RangeError(code + ' is not a valid code point');
+   elements.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00));
+  }
+  return elements.join('');
+ }
+});
+
+/***/ }),
+/* 141 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(142);
+__w_pdfjs_require__(123);
+__w_pdfjs_require__(146);
+__w_pdfjs_require__(150);
+__w_pdfjs_require__(151);
+__w_pdfjs_require__(152);
+__w_pdfjs_require__(153);
+__w_pdfjs_require__(154);
+__w_pdfjs_require__(155);
+__w_pdfjs_require__(156);
+__w_pdfjs_require__(157);
+__w_pdfjs_require__(158);
+__w_pdfjs_require__(159);
+__w_pdfjs_require__(160);
+__w_pdfjs_require__(161);
+__w_pdfjs_require__(162);
+__w_pdfjs_require__(163);
+__w_pdfjs_require__(164);
+__w_pdfjs_require__(165);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Symbol;
+
+/***/ }),
+/* 142 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var fails = __w_pdfjs_require__(10);
+var isArray = __w_pdfjs_require__(134);
+var isObject = __w_pdfjs_require__(18);
+var toObject = __w_pdfjs_require__(79);
+var toLength = __w_pdfjs_require__(43);
+var createProperty = __w_pdfjs_require__(89);
+var arraySpeciesCreate = __w_pdfjs_require__(133);
+var arrayMethodHasSpeciesSupport = __w_pdfjs_require__(143);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var V8_VERSION = __w_pdfjs_require__(144);
+var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';
+var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
+ var array = [];
+ array[IS_CONCAT_SPREADABLE] = false;
+ return array.concat()[0] !== array;
+});
+var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');
+var isConcatSpreadable = function (O) {
+ if (!isObject(O))
+  return false;
+ var spreadable = O[IS_CONCAT_SPREADABLE];
+ return spreadable !== undefined ? !!spreadable : isArray(O);
+};
+var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;
+$({
+ target: 'Array',
+ proto: true,
+ forced: FORCED
+}, {
+ concat: function concat(arg) {
+  var O = toObject(this);
+  var A = arraySpeciesCreate(O, 0);
+  var n = 0;
+  var i, k, length, len, E;
+  for (i = -1, length = arguments.length; i < length; i++) {
+   E = i === -1 ? O : arguments[i];
+   if (isConcatSpreadable(E)) {
+    len = toLength(E.length);
+    if (n + len > MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    for (k = 0; k < len; k++, n++)
+     if (k in E)
+      createProperty(A, n, E[k]);
+   } else {
+    if (n >= MAX_SAFE_INTEGER)
+     throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+    createProperty(A, n++, E);
+   }
+  }
+  A.length = n;
+  return A;
+ }
+});
+
+/***/ }),
+/* 143 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var fails = __w_pdfjs_require__(10);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var V8_VERSION = __w_pdfjs_require__(144);
+var SPECIES = wellKnownSymbol('species');
+module.exports = function (METHOD_NAME) {
+ return V8_VERSION >= 51 || !fails(function () {
+  var array = [];
+  var constructor = array.constructor = {};
+  constructor[SPECIES] = function () {
+   return { foo: 1 };
+  };
+  return array[METHOD_NAME](Boolean).foo !== 1;
+ });
+};
+
+/***/ }),
+/* 144 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var userAgent = __w_pdfjs_require__(145);
+var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8;
+var match, version;
+if (v8) {
+ match = v8.split('.');
+ version = match[0] + match[1];
+} else if (userAgent) {
+ match = userAgent.match(/Edge\/(\d+)/);
+ if (!match || match[1] >= 74) {
+  match = userAgent.match(/Chrome\/(\d+)/);
+  if (match)
+   version = match[1];
+ }
+}
+module.exports = version && +version;
+
+/***/ }),
+/* 145 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var getBuiltIn = __w_pdfjs_require__(38);
+module.exports = getBuiltIn('navigator', 'userAgent') || '';
+
+/***/ }),
+/* 146 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var global = __w_pdfjs_require__(7);
+var getBuiltIn = __w_pdfjs_require__(38);
+var IS_PURE = __w_pdfjs_require__(33);
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var NATIVE_SYMBOL = __w_pdfjs_require__(54);
+var USE_SYMBOL_AS_UID = __w_pdfjs_require__(55);
+var fails = __w_pdfjs_require__(10);
+var has = __w_pdfjs_require__(19);
+var isArray = __w_pdfjs_require__(134);
+var isObject = __w_pdfjs_require__(18);
+var anObject = __w_pdfjs_require__(24);
+var toObject = __w_pdfjs_require__(79);
+var toIndexedObject = __w_pdfjs_require__(13);
+var toPrimitive = __w_pdfjs_require__(17);
+var createPropertyDescriptor = __w_pdfjs_require__(12);
+var nativeObjectCreate = __w_pdfjs_require__(67);
+var objectKeys = __w_pdfjs_require__(69);
+var getOwnPropertyNamesModule = __w_pdfjs_require__(40);
+var getOwnPropertyNamesExternal = __w_pdfjs_require__(147);
+var getOwnPropertySymbolsModule = __w_pdfjs_require__(47);
+var getOwnPropertyDescriptorModule = __w_pdfjs_require__(8);
+var definePropertyModule = __w_pdfjs_require__(23);
+var propertyIsEnumerableModule = __w_pdfjs_require__(11);
+var createNonEnumerableProperty = __w_pdfjs_require__(22);
+var redefine = __w_pdfjs_require__(25);
+var shared = __w_pdfjs_require__(32);
+var sharedKey = __w_pdfjs_require__(31);
+var hiddenKeys = __w_pdfjs_require__(35);
+var uid = __w_pdfjs_require__(34);
+var wellKnownSymbol = __w_pdfjs_require__(53);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(148);
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+var setToStringTag = __w_pdfjs_require__(81);
+var InternalStateModule = __w_pdfjs_require__(29);
+var $forEach = __w_pdfjs_require__(132).forEach;
+var HIDDEN = sharedKey('hidden');
+var SYMBOL = 'Symbol';
+var PROTOTYPE = 'prototype';
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SYMBOL);
+var ObjectPrototype = Object[PROTOTYPE];
+var $Symbol = global.Symbol;
+var $stringify = getBuiltIn('JSON', 'stringify');
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
+var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
+var AllSymbols = shared('symbols');
+var ObjectPrototypeSymbols = shared('op-symbols');
+var StringToSymbolRegistry = shared('string-to-symbol-registry');
+var SymbolToStringRegistry = shared('symbol-to-string-registry');
+var WellKnownSymbolsStore = shared('wks');
+var QObject = global.QObject;
+var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
+var setSymbolDescriptor = DESCRIPTORS && fails(function () {
+ return nativeObjectCreate(nativeDefineProperty({}, 'a', {
+  get: function () {
+   return nativeDefineProperty(this, 'a', { value: 7 }).a;
+  }
+ })).a != 7;
+}) ? function (O, P, Attributes) {
+ var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
+ if (ObjectPrototypeDescriptor)
+  delete ObjectPrototype[P];
+ nativeDefineProperty(O, P, Attributes);
+ if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
+  nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
+ }
+} : nativeDefineProperty;
+var wrap = function (tag, description) {
+ var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
+ setInternalState(symbol, {
+  type: SYMBOL,
+  tag: tag,
+  description: description
+ });
+ if (!DESCRIPTORS)
+  symbol.description = description;
+ return symbol;
+};
+var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
+ return typeof it == 'symbol';
+} : function (it) {
+ return Object(it) instanceof $Symbol;
+};
+var $defineProperty = function defineProperty(O, P, Attributes) {
+ if (O === ObjectPrototype)
+  $defineProperty(ObjectPrototypeSymbols, P, Attributes);
+ anObject(O);
+ var key = toPrimitive(P, true);
+ anObject(Attributes);
+ if (has(AllSymbols, key)) {
+  if (!Attributes.enumerable) {
+   if (!has(O, HIDDEN))
+    nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
+   O[HIDDEN][key] = true;
+  } else {
+   if (has(O, HIDDEN) && O[HIDDEN][key])
+    O[HIDDEN][key] = false;
+   Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
+  }
+  return setSymbolDescriptor(O, key, Attributes);
+ }
+ return nativeDefineProperty(O, key, Attributes);
+};
+var $defineProperties = function defineProperties(O, Properties) {
+ anObject(O);
+ var properties = toIndexedObject(Properties);
+ var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
+ $forEach(keys, function (key) {
+  if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key))
+   $defineProperty(O, key, properties[key]);
+ });
+ return O;
+};
+var $create = function create(O, Properties) {
+ return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
+};
+var $propertyIsEnumerable = function propertyIsEnumerable(V) {
+ var P = toPrimitive(V, true);
+ var enumerable = nativePropertyIsEnumerable.call(this, P);
+ if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P))
+  return false;
+ return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
+};
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
+ var it = toIndexedObject(O);
+ var key = toPrimitive(P, true);
+ if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key))
+  return;
+ var descriptor = nativeGetOwnPropertyDescriptor(it, key);
+ if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
+  descriptor.enumerable = true;
+ }
+ return descriptor;
+};
+var $getOwnPropertyNames = function getOwnPropertyNames(O) {
+ var names = nativeGetOwnPropertyNames(toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (!has(AllSymbols, key) && !has(hiddenKeys, key))
+   result.push(key);
+ });
+ return result;
+};
+var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
+ var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
+ var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
+ var result = [];
+ $forEach(names, function (key) {
+  if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
+   result.push(AllSymbols[key]);
+  }
+ });
+ return result;
+};
+if (!NATIVE_SYMBOL) {
+ $Symbol = function Symbol() {
+  if (this instanceof $Symbol)
+   throw TypeError('Symbol is not a constructor');
+  var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var tag = uid(description);
+  var setter = function (value) {
+   if (this === ObjectPrototype)
+    setter.call(ObjectPrototypeSymbols, value);
+   if (has(this, HIDDEN) && has(this[HIDDEN], tag))
+    this[HIDDEN][tag] = false;
+   setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
+  };
+  if (DESCRIPTORS && USE_SETTER)
+   setSymbolDescriptor(ObjectPrototype, tag, {
+    configurable: true,
+    set: setter
+   });
+  return wrap(tag, description);
+ };
+ redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+  return getInternalState(this).tag;
+ });
+ redefine($Symbol, 'withoutSetter', function (description) {
+  return wrap(uid(description), description);
+ });
+ propertyIsEnumerableModule.f = $propertyIsEnumerable;
+ definePropertyModule.f = $defineProperty;
+ getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
+ getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
+ getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;
+ wrappedWellKnownSymbolModule.f = function (name) {
+  return wrap(wellKnownSymbol(name), name);
+ };
+ if (DESCRIPTORS) {
+  nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
+   configurable: true,
+   get: function description() {
+    return getInternalState(this).description;
+   }
+  });
+  if (!IS_PURE) {
+   redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
+  }
+ }
+}
+$({
+ global: true,
+ wrap: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !NATIVE_SYMBOL
+}, { Symbol: $Symbol });
+$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
+ defineWellKnownSymbol(name);
+});
+$({
+ target: SYMBOL,
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ 'for': function (key) {
+  var string = String(key);
+  if (has(StringToSymbolRegistry, string))
+   return StringToSymbolRegistry[string];
+  var symbol = $Symbol(string);
+  StringToSymbolRegistry[string] = symbol;
+  SymbolToStringRegistry[symbol] = string;
+  return symbol;
+ },
+ keyFor: function keyFor(sym) {
+  if (!isSymbol(sym))
+   throw TypeError(sym + ' is not a symbol');
+  if (has(SymbolToStringRegistry, sym))
+   return SymbolToStringRegistry[sym];
+ },
+ useSetter: function () {
+  USE_SETTER = true;
+ },
+ useSimple: function () {
+  USE_SETTER = false;
+ }
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL,
+ sham: !DESCRIPTORS
+}, {
+ create: $create,
+ defineProperty: $defineProperty,
+ defineProperties: $defineProperties,
+ getOwnPropertyDescriptor: $getOwnPropertyDescriptor
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: !NATIVE_SYMBOL
+}, {
+ getOwnPropertyNames: $getOwnPropertyNames,
+ getOwnPropertySymbols: $getOwnPropertySymbols
+});
+$({
+ target: 'Object',
+ stat: true,
+ forced: fails(function () {
+  getOwnPropertySymbolsModule.f(1);
+ })
+}, {
+ getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+  return getOwnPropertySymbolsModule.f(toObject(it));
+ }
+});
+if ($stringify) {
+ var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
+  var symbol = $Symbol();
+  return $stringify([symbol]) != '[null]' || $stringify({ a: symbol }) != '{}' || $stringify(Object(symbol)) != '{}';
+ });
+ $({
+  target: 'JSON',
+  stat: true,
+  forced: FORCED_JSON_STRINGIFY
+ }, {
+  stringify: function stringify(it, replacer, space) {
+   var args = [it];
+   var index = 1;
+   var $replacer;
+   while (arguments.length > index)
+    args.push(arguments[index++]);
+   $replacer = replacer;
+   if (!isObject(replacer) && it === undefined || isSymbol(it))
+    return;
+   if (!isArray(replacer))
+    replacer = function (key, value) {
+     if (typeof $replacer == 'function')
+      value = $replacer.call(this, key, value);
+     if (!isSymbol(value))
+      return value;
+    };
+   args[1] = replacer;
+   return $stringify.apply(null, args);
+  }
+ });
+}
+if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
+ createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+}
+setToStringTag($Symbol, SYMBOL);
+hiddenKeys[HIDDEN] = true;
+
+/***/ }),
+/* 147 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toIndexedObject = __w_pdfjs_require__(13);
+var nativeGetOwnPropertyNames = __w_pdfjs_require__(40).f;
+var toString = {}.toString;
+var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
+var getWindowNames = function (it) {
+ try {
+  return nativeGetOwnPropertyNames(it);
+ } catch (error) {
+  return windowNames.slice();
+ }
+};
+module.exports.f = function getOwnPropertyNames(it) {
+ return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : nativeGetOwnPropertyNames(toIndexedObject(it));
+};
+
+/***/ }),
+/* 148 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var wellKnownSymbol = __w_pdfjs_require__(53);
+exports.f = wellKnownSymbol;
+
+/***/ }),
+/* 149 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var path = __w_pdfjs_require__(39);
+var has = __w_pdfjs_require__(19);
+var wrappedWellKnownSymbolModule = __w_pdfjs_require__(148);
+var defineProperty = __w_pdfjs_require__(23).f;
+module.exports = function (NAME) {
+ var Symbol = path.Symbol || (path.Symbol = {});
+ if (!has(Symbol, NAME))
+  defineProperty(Symbol, NAME, { value: wrappedWellKnownSymbolModule.f(NAME) });
+};
+
+/***/ }),
+/* 150 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('asyncIterator');
+
+/***/ }),
+/* 151 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var global = __w_pdfjs_require__(7);
+var has = __w_pdfjs_require__(19);
+var isObject = __w_pdfjs_require__(18);
+var defineProperty = __w_pdfjs_require__(23).f;
+var copyConstructorProperties = __w_pdfjs_require__(36);
+var NativeSymbol = global.Symbol;
+if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) || NativeSymbol().description !== undefined)) {
+ var EmptyStringDescriptionStore = {};
+ var SymbolWrapper = function Symbol() {
+  var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
+  var result = this instanceof SymbolWrapper ? new NativeSymbol(description) : description === undefined ? NativeSymbol() : NativeSymbol(description);
+  if (description === '')
+   EmptyStringDescriptionStore[result] = true;
+  return result;
+ };
+ copyConstructorProperties(SymbolWrapper, NativeSymbol);
+ var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
+ symbolPrototype.constructor = SymbolWrapper;
+ var symbolToString = symbolPrototype.toString;
+ var native = String(NativeSymbol('test')) == 'Symbol(test)';
+ var regexp = /^Symbol\((.*)\)[^)]+$/;
+ defineProperty(symbolPrototype, 'description', {
+  configurable: true,
+  get: function description() {
+   var symbol = isObject(this) ? this.valueOf() : this;
+   var string = symbolToString.call(symbol);
+   if (has(EmptyStringDescriptionStore, symbol))
+    return '';
+   var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
+   return desc === '' ? undefined : desc;
+  }
+ });
+ $({
+  global: true,
+  forced: true
+ }, { Symbol: SymbolWrapper });
+}
+
+/***/ }),
+/* 152 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('hasInstance');
+
+/***/ }),
+/* 153 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('isConcatSpreadable');
+
+/***/ }),
+/* 154 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('iterator');
+
+/***/ }),
+/* 155 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('match');
+
+/***/ }),
+/* 156 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('matchAll');
+
+/***/ }),
+/* 157 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('replace');
+
+/***/ }),
+/* 158 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('search');
+
+/***/ }),
+/* 159 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('species');
+
+/***/ }),
+/* 160 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('split');
+
+/***/ }),
+/* 161 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('toPrimitive');
+
+/***/ }),
+/* 162 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('toStringTag');
+
+/***/ }),
+/* 163 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var defineWellKnownSymbol = __w_pdfjs_require__(149);
+defineWellKnownSymbol('unscopables');
+
+/***/ }),
+/* 164 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var setToStringTag = __w_pdfjs_require__(81);
+setToStringTag(Math, 'Math', true);
+
+/***/ }),
+/* 165 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var global = __w_pdfjs_require__(7);
+var setToStringTag = __w_pdfjs_require__(81);
+setToStringTag(global.JSON, 'JSON', true);
+
+/***/ }),
+/* 166 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(167);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'padStart');
+
+/***/ }),
+/* 167 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var $padStart = __w_pdfjs_require__(168).start;
+var WEBKIT_BUG = __w_pdfjs_require__(170);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padStart: function padStart(maxLength) {
+  return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 168 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var toLength = __w_pdfjs_require__(43);
+var repeat = __w_pdfjs_require__(169);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+var ceil = Math.ceil;
+var createMethod = function (IS_END) {
+ return function ($this, maxLength, fillString) {
+  var S = String(requireObjectCoercible($this));
+  var stringLength = S.length;
+  var fillStr = fillString === undefined ? ' ' : String(fillString);
+  var intMaxLength = toLength(maxLength);
+  var fillLen, stringFiller;
+  if (intMaxLength <= stringLength || fillStr == '')
+   return S;
+  fillLen = intMaxLength - stringLength;
+  stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));
+  if (stringFiller.length > fillLen)
+   stringFiller = stringFiller.slice(0, fillLen);
+  return IS_END ? S + stringFiller : stringFiller + S;
+ };
+};
+module.exports = {
+ start: createMethod(false),
+ end: createMethod(true)
+};
+
+/***/ }),
+/* 169 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var toInteger = __w_pdfjs_require__(44);
+var requireObjectCoercible = __w_pdfjs_require__(16);
+module.exports = ''.repeat || function repeat(count) {
+ var str = String(requireObjectCoercible(this));
+ var result = '';
+ var n = toInteger(count);
+ if (n < 0 || n == Infinity)
+  throw RangeError('Wrong number of repetitions');
+ for (; n > 0; (n >>>= 1) && (str += str))
+  if (n & 1)
+   result += str;
+ return result;
+};
+
+/***/ }),
+/* 170 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var userAgent = __w_pdfjs_require__(145);
+module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+
+/***/ }),
+/* 171 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(172);
+var entryUnbind = __w_pdfjs_require__(57);
+module.exports = entryUnbind('String', 'padEnd');
+
+/***/ }),
+/* 172 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+var $ = __w_pdfjs_require__(6);
+var $padEnd = __w_pdfjs_require__(168).end;
+var WEBKIT_BUG = __w_pdfjs_require__(170);
+$({
+ target: 'String',
+ proto: true,
+ forced: WEBKIT_BUG
+}, {
+ padEnd: function padEnd(maxLength) {
+  return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});
+
+/***/ }),
+/* 173 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(174);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Object.values;
+
+/***/ }),
+/* 174 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var $values = __w_pdfjs_require__(175).values;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ values: function values(O) {
+  return $values(O);
+ }
+});
+
+/***/ }),
+/* 175 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var DESCRIPTORS = __w_pdfjs_require__(9);
+var objectKeys = __w_pdfjs_require__(69);
+var toIndexedObject = __w_pdfjs_require__(13);
+var propertyIsEnumerable = __w_pdfjs_require__(11).f;
+var createMethod = function (TO_ENTRIES) {
+ return function (it) {
+  var O = toIndexedObject(it);
+  var keys = objectKeys(O);
+  var length = keys.length;
+  var i = 0;
+  var result = [];
+  var key;
+  while (length > i) {
+   key = keys[i++];
+   if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {
+    result.push(TO_ENTRIES ? [
+     key,
+     O[key]
+    ] : O[key]);
+   }
+  }
+  return result;
+ };
+};
+module.exports = {
+ entries: createMethod(true),
+ values: createMethod(false)
+};
+
+/***/ }),
+/* 176 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+__w_pdfjs_require__(177);
+var path = __w_pdfjs_require__(39);
+module.exports = path.Object.entries;
+
+/***/ }),
+/* 177 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+var $ = __w_pdfjs_require__(6);
+var $entries = __w_pdfjs_require__(175).entries;
+$({
+ target: 'Object',
+ stat: true
+}, {
+ entries: function entries(O) {
+  return $entries(O);
+ }
+});
+
+/***/ }),
+/* 178 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Image = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(179);
+
+var _arithmetic_decoder = __w_pdfjs_require__(180);
+
+var _ccitt = __w_pdfjs_require__(181);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var Jbig2Error = /*#__PURE__*/function (_BaseException) {
+  _inherits(Jbig2Error, _BaseException);
+
+  var _super = _createSuper(Jbig2Error);
+
+  function Jbig2Error(msg) {
+    _classCallCheck(this, Jbig2Error);
+
+    return _super.call(this, "JBIG2 error: ".concat(msg));
+  }
+
+  return Jbig2Error;
+}(_util.BaseException);
+
+var Jbig2Image = function Jbig2ImageClosure() {
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts: function getContexts(id) {
+      if (id in this) {
+        return this[id];
+      }
+
+      return this[id] = new Int8Array(1 << 16);
+    }
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
+      return (0, _util.shadow)(this, "decoder", decoder);
+    },
+
+    get contextCache() {
+      var cache = new ContextCache();
+      return (0, _util.shadow)(this, "contextCache", cache);
+    }
+
+  };
+
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+    var prev = 1;
+
+    function readBits(length) {
+      var v = 0;
+
+      for (var i = 0; i < length; i++) {
+        var bit = decoder.readBit(contexts, prev);
+        prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
+        v = v << 1 | bit;
+      }
+
+      return v >>> 0;
+    }
+
+    var sign = readBits(1);
+    var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
+
+    if (sign === 0) {
+      return value;
+    } else if (value > 0) {
+      return -value;
+    }
+
+    return null;
+  }
+
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts("IAID");
+    var prev = 1;
+
+    for (var i = 0; i < codeLength; i++) {
+      var bit = decoder.readBit(contexts, prev);
+      prev = prev << 1 | bit;
+    }
+
+    if (codeLength < 31) {
+      return prev & (1 << codeLength) - 1;
+    }
+
+    return prev & 0x7fffffff;
+  }
+
+  var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+  var CodingTemplates = [[{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: 2,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -3,
+    y: -1
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }]];
+  var RefinementTemplates = [{
+    coding: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: -1,
+      y: 1
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }, {
+    coding: [{
+      x: -1,
+      y: -1
+    }, {
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }];
+  var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
+  var RefinementReusedContexts = [0x0020, 0x0008];
+
+  function decodeBitmapTemplate0(width, height, decodingContext) {
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var contextLabel,
+        i,
+        j,
+        pixel,
+        row,
+        row1,
+        row2,
+        bitmap = [];
+    var OLD_PIXEL_MASK = 0x7bf7;
+
+    for (i = 0; i < height; i++) {
+      row = bitmap[i] = new Uint8Array(width);
+      row1 = i < 1 ? row : bitmap[i - 1];
+      row2 = i < 2 ? row : bitmap[i - 2];
+      contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
+
+      for (j = 0; j < width; j++) {
+        row[j] = pixel = decoder.readBit(contexts, contextLabel);
+        contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
+    if (mmr) {
+      var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+      return decodeMMRBitmap(input, width, height, false);
+    }
+
+    if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
+      return decodeBitmapTemplate0(width, height, decodingContext);
+    }
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    template.sort(function (a, b) {
+      return a.y - b.y || a.x - b.x;
+    });
+    var templateLength = template.length;
+    var templateX = new Int8Array(templateLength);
+    var templateY = new Int8Array(templateLength);
+    var changingTemplateEntries = [];
+    var reuseMask = 0,
+        minX = 0,
+        maxX = 0,
+        minY = 0;
+    var c, k;
+
+    for (k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+      minX = Math.min(minX, template[k].x);
+      maxX = Math.max(maxX, template[k].x);
+      minY = Math.min(minY, template[k].y);
+
+      if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
+        reuseMask |= 1 << templateLength - 1 - k;
+      } else {
+        changingTemplateEntries.push(k);
+      }
+    }
+
+    var changingEntriesLength = changingTemplateEntries.length;
+    var changingTemplateX = new Int8Array(changingEntriesLength);
+    var changingTemplateY = new Int8Array(changingEntriesLength);
+    var changingTemplateBit = new Uint16Array(changingEntriesLength);
+
+    for (c = 0; c < changingEntriesLength; c++) {
+      k = changingTemplateEntries[c];
+      changingTemplateX[c] = template[k].x;
+      changingTemplateY[c] = template[k].y;
+      changingTemplateBit[c] = 1 << templateLength - 1 - k;
+    }
+
+    var sbb_left = -minX;
+    var sbb_top = -minY;
+    var sbb_right = width - maxX;
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var row = new Uint8Array(width);
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var ltp = 0,
+        j,
+        i0,
+        j0,
+        contextLabel = 0,
+        bit,
+        shift;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          bitmap.push(row);
+          continue;
+        }
+      }
+
+      row = new Uint8Array(row);
+      bitmap.push(row);
+
+      for (j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+
+        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
+          contextLabel = contextLabel << 1 & reuseMask;
+
+          for (k = 0; k < changingEntriesLength; k++) {
+            i0 = i + changingTemplateY[k];
+            j0 = j + changingTemplateX[k];
+            bit = bitmap[i0][j0];
+
+            if (bit) {
+              bit = changingTemplateBit[k];
+              contextLabel |= bit;
+            }
+          }
+        } else {
+          contextLabel = 0;
+          shift = templateLength - 1;
+
+          for (k = 0; k < templateLength; k++, shift--) {
+            j0 = j + templateX[k];
+
+            if (j0 >= 0 && j0 < width) {
+              i0 = i + templateY[k];
+
+              if (i0 >= 0) {
+                bit = bitmap[i0][j0];
+
+                if (bit) {
+                  contextLabel |= bit << shift;
+                }
+              }
+            }
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+
+    if (templateIndex === 0) {
+      codingTemplate = codingTemplate.concat([at[0]]);
+    }
+
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    var k;
+
+    for (k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+
+    if (templateIndex === 0) {
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    }
+
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+
+    for (k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GR");
+    var ltp = 0;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          throw new Jbig2Error("prediction is not supported");
+        }
+      }
+
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var j = 0; j < width; j++) {
+        var i0, j0;
+        var contextLabel = 0;
+
+        for (k = 0; k < codingTemplateLength; k++) {
+          i0 = i + codingTemplateY[k];
+          j0 = j + codingTemplateX[k];
+
+          if (i0 < 0 || j0 < 0 || j0 >= width) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | bitmap[i0][j0];
+          }
+        }
+
+        for (k = 0; k < referenceTemplateLength; k++) {
+          i0 = i + referenceTemplateY[k] - offsetY;
+          j0 = j + referenceTemplateX[k] - offsetX;
+
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("symbol refinement with Huffman is not supported");
+    }
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var tableB1, symbolWidths;
+
+    if (huffman) {
+      tableB1 = getStandardTable(1);
+      symbolWidths = [];
+      symbolCodeLength = Math.max(symbolCodeLength, 1);
+    }
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
+      currentHeight += deltaHeight;
+      var currentWidth = 0,
+          totalWidth = 0;
+      var firstSymbol = huffman ? symbolWidths.length : 0;
+
+      while (true) {
+        var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
+
+        if (deltaWidth === null) {
+          break;
+        }
+
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+
+        if (refinement) {
+          var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
+
+          if (numberOfInstances > 1) {
+            bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
+          } else {
+            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+            var rdx = decodeInteger(contextCache, "IARDX", decoder);
+            var rdy = decodeInteger(contextCache, "IARDY", decoder);
+            var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
+            bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
+          }
+
+          newSymbols.push(bitmap);
+        } else if (huffman) {
+          symbolWidths.push(currentWidth);
+        } else {
+          bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
+          newSymbols.push(bitmap);
+        }
+      }
+
+      if (huffman && !refinement) {
+        var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
+        huffmanInput.byteAlign();
+        var collectiveBitmap = void 0;
+
+        if (bitmapSize === 0) {
+          collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
+        } else {
+          var originalEnd = huffmanInput.end;
+          var bitmapEnd = huffmanInput.position + bitmapSize;
+          huffmanInput.end = bitmapEnd;
+          collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
+          huffmanInput.end = originalEnd;
+          huffmanInput.position = bitmapEnd;
+        }
+
+        var numberOfSymbolsDecoded = symbolWidths.length;
+
+        if (firstSymbol === numberOfSymbolsDecoded - 1) {
+          newSymbols.push(collectiveBitmap);
+        } else {
+          var _i = void 0,
+              y = void 0,
+              xMin = 0,
+              xMax = void 0,
+              bitmapWidth = void 0,
+              symbolBitmap = void 0;
+
+          for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) {
+            bitmapWidth = symbolWidths[_i];
+            xMax = xMin + bitmapWidth;
+            symbolBitmap = [];
+
+            for (y = 0; y < currentHeight; y++) {
+              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+            }
+
+            newSymbols.push(symbolBitmap);
+            xMin = xMax;
+          }
+        }
+      }
+    }
+
+    var exportedSymbols = [];
+    var flags = [],
+        currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+
+    while (flags.length < totalSymbolsLength) {
+      var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
+
+      while (runLength--) {
+        flags.push(currentFlag);
+      }
+
+      currentFlag = !currentFlag;
+    }
+
+    for (var i = 0, ii = symbols.length; i < ii; i++) {
+      if (flags[i]) {
+        exportedSymbols.push(symbols[i]);
+      }
+    }
+
+    for (var j = 0; j < numberOfNewSymbols; i++, j++) {
+      if (flags[i]) {
+        exportedSymbols.push(newSymbols[j]);
+      }
+    }
+
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    var bitmap = [];
+    var i, row;
+
+    for (i = 0; i < height; i++) {
+      row = new Uint8Array(width);
+
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
+    var firstS = 0;
+    i = 0;
+
+    while (i < numberOfSymbolInstances) {
+      var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
+      stripT += deltaT;
+      var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
+      firstS += deltaFirstS;
+      var currentS = firstS;
+
+      do {
+        var currentT = 0;
+
+        if (stripSize > 1) {
+          currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
+        }
+
+        var t = stripSize * stripT + currentT;
+        var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, "IARDW", decoder);
+          var rdh = decodeInteger(contextCache, "IARDH", decoder);
+          var rdx = decodeInteger(contextCache, "IARDX", decoder);
+          var rdy = decodeInteger(contextCache, "IARDY", decoder);
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
+        }
+
+        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
+        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
+        var s2, t2, symbolRow;
+
+        if (transposed) {
+          for (s2 = 0; s2 < symbolHeight; s2++) {
+            row = bitmap[offsetS + s2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[s2];
+            var maxWidth = Math.min(width - offsetT, symbolWidth);
+
+            switch (combinationOperator) {
+              case 0:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] |= symbolRow[t2];
+                }
+
+                break;
+
+              case 2:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] ^= symbolRow[t2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+            }
+          }
+
+          currentS += symbolHeight - 1;
+        } else {
+          for (t2 = 0; t2 < symbolHeight; t2++) {
+            row = bitmap[offsetT + t2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[t2];
+
+            switch (combinationOperator) {
+              case 0:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] |= symbolRow[s2];
+                }
+
+                break;
+
+              case 2:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] ^= symbolRow[s2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+            }
+          }
+
+          currentS += symbolWidth - 1;
+        }
+
+        i++;
+        var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
+
+        if (deltaS === null) {
+          break;
+        }
+
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+
+    return bitmap;
+  }
+
+  function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
+    var at = [];
+
+    if (!mmr) {
+      at.push({
+        x: -patternWidth,
+        y: 0
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    var collectiveWidth = (maxPatternIndex + 1) * patternWidth;
+    var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
+    var patterns = [];
+
+    for (var i = 0; i <= maxPatternIndex; i++) {
+      var patternBitmap = [];
+      var xMin = patternWidth * i;
+      var xMax = xMin + patternWidth;
+
+      for (var y = 0; y < patternHeight; y++) {
+        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+      }
+
+      patterns.push(patternBitmap);
+    }
+
+    return patterns;
+  }
+
+  function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
+    var skip = null;
+
+    if (enableSkip) {
+      throw new Jbig2Error("skip is not supported");
+    }
+
+    if (combinationOperator !== 0) {
+      throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
+    }
+
+    var regionBitmap = [];
+    var i, j, row;
+
+    for (i = 0; i < regionHeight; i++) {
+      row = new Uint8Array(regionWidth);
+
+      if (defaultPixelValue) {
+        for (j = 0; j < regionWidth; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      regionBitmap.push(row);
+    }
+
+    var numberOfPatterns = patterns.length;
+    var pattern0 = patterns[0];
+    var patternWidth = pattern0[0].length,
+        patternHeight = pattern0.length;
+    var bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
+    var at = [];
+
+    if (!mmr) {
+      at.push({
+        x: template <= 1 ? 3 : 2,
+        y: -1
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    var grayScaleBitPlanes = [];
+    var mmrInput, bitmap;
+
+    if (mmr) {
+      mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+    }
+
+    for (i = bitsPerValue - 1; i >= 0; i--) {
+      if (mmr) {
+        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
+      } else {
+        bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
+      }
+
+      grayScaleBitPlanes[i] = bitmap;
+    }
+
+    var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
+
+    for (mg = 0; mg < gridHeight; mg++) {
+      for (ng = 0; ng < gridWidth; ng++) {
+        bit = 0;
+        patternIndex = 0;
+
+        for (j = bitsPerValue - 1; j >= 0; j--) {
+          bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
+          patternIndex |= bit << j;
+        }
+
+        patternBitmap = patterns[patternIndex];
+        x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
+        y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
+
+        if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
+          for (i = 0; i < patternHeight; i++) {
+            regionRow = regionBitmap[y + i];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionRow[x + j] |= patternRow[j];
+            }
+          }
+        } else {
+          var regionX = void 0,
+              regionY = void 0;
+
+          for (i = 0; i < patternHeight; i++) {
+            regionY = y + i;
+
+            if (regionY < 0 || regionY >= regionHeight) {
+              continue;
+            }
+
+            regionRow = regionBitmap[regionY];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionX = x + j;
+
+              if (regionX >= 0 && regionX < regionWidth) {
+                regionRow[regionX] |= patternRow[j];
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return regionBitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = (0, _core_utils.readUint32)(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3f;
+
+    if (!SegmentTypes[segmentType]) {
+      throw new Jbig2Error("invalid segment type: " + segmentType);
+    }
+
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = referredFlags >> 5 & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+
+    if (referredFlags === 7) {
+      referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
+      position += 3;
+      var bytes = referredToCount + 7 >> 3;
+      retainBits[0] = data[position++];
+
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags === 5 || referredFlags === 6) {
+      throw new Jbig2Error("invalid referred-to flags");
+    }
+
+    segmentHeader.retainBits = retainBits;
+    var referredToSegmentNumberSize = 4;
+
+    if (segmentHeader.number <= 256) {
+      referredToSegmentNumberSize = 1;
+    } else if (segmentHeader.number <= 65536) {
+      referredToSegmentNumberSize = 2;
+    }
+
+    var referredTo = [];
+    var i, ii;
+
+    for (i = 0; i < referredToCount; i++) {
+      var number = void 0;
+
+      if (referredToSegmentNumberSize === 1) {
+        number = data[position];
+      } else if (referredToSegmentNumberSize === 2) {
+        number = (0, _core_utils.readUint16)(data, position);
+      } else {
+        number = (0, _core_utils.readUint32)(data, position);
+      }
+
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+
+    segmentHeader.referredTo = referredTo;
+
+    if (!pageAssociationFieldSize) {
+      segmentHeader.pageAssociation = data[position++];
+    } else {
+      segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    segmentHeader.length = (0, _core_utils.readUint32)(data, position);
+    position += 4;
+
+    if (segmentHeader.length === 0xffffffff) {
+      if (segmentType === 38) {
+        var genericRegionInfo = readRegionSegmentInformation(data, position);
+        var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
+        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
+        var searchPatternLength = 6;
+        var searchPattern = new Uint8Array(searchPatternLength);
+
+        if (!genericRegionMmr) {
+          searchPattern[0] = 0xff;
+          searchPattern[1] = 0xac;
+        }
+
+        searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
+        searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
+        searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
+        searchPattern[5] = genericRegionInfo.height & 0xff;
+
+        for (i = position, ii = data.length; i < ii; i++) {
+          var j = 0;
+
+          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
+            j++;
+          }
+
+          if (j === searchPatternLength) {
+            segmentHeader.length = i + searchPatternLength;
+            break;
+          }
+        }
+
+        if (segmentHeader.length === 0xffffffff) {
+          throw new Jbig2Error("segment end was not found");
+        }
+      } else {
+        throw new Jbig2Error("invalid unknown segment length");
+      }
+    }
+
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data: data
+      };
+
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+
+      segments.push(segment);
+
+      if (segmentHeader.type === 51) {
+        break;
+      }
+    }
+
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+
+    return segments;
+  }
+
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: (0, _core_utils.readUint32)(data, start),
+      height: (0, _core_utils.readUint32)(data, start + 4),
+      x: (0, _core_utils.readUint32)(data, start + 8),
+      y: (0, _core_utils.readUint32)(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+    var data = segment.data,
+        position = segment.start,
+        end = segment.end;
+    var args, at, i, atLength;
+
+    switch (header.type) {
+      case 0:
+        var dictionary = {};
+        var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+        dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+        dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+        dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = dictionaryFlags >> 10 & 3;
+        dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+        position += 2;
+
+        if (!dictionary.huffman) {
+          atLength = dictionary.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.at = at;
+        }
+
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.refinementAt = at;
+        }
+
+        dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo, data, position, end];
+        break;
+
+      case 6:
+      case 7:
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
+        textRegion.stripSize = 1 << textRegion.logStripSize;
+        textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+        textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+        textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+        textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+          textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+          textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+          textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+          textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+          textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+          textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+          textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
+        }
+
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          textRegion.refinementAt = at;
+        }
+
+        textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+
+      case 16:
+        var patternDictionary = {};
+        var patternDictionaryFlags = data[position++];
+        patternDictionary.mmr = !!(patternDictionaryFlags & 1);
+        patternDictionary.template = patternDictionaryFlags >> 1 & 3;
+        patternDictionary.patternWidth = data[position++];
+        patternDictionary.patternHeight = data[position++];
+        patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [patternDictionary, header.number, data, position, end];
+        break;
+
+      case 22:
+      case 23:
+        var halftoneRegion = {};
+        halftoneRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var halftoneRegionFlags = data[position++];
+        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
+        halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
+        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
+        halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
+        halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
+        halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        args = [halftoneRegion, header.referredTo, data, position, end];
+        break;
+
+      case 38:
+      case 39:
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+
+        if (!genericRegion.mmr) {
+          atLength = genericRegion.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          genericRegion.at = at;
+        }
+
+        args = [genericRegion, data, position, end];
+        break;
+
+      case 48:
+        var pageInfo = {
+          width: (0, _core_utils.readUint32)(data, position),
+          height: (0, _core_utils.readUint32)(data, position + 4),
+          resolutionX: (0, _core_utils.readUint32)(data, position + 8),
+          resolutionY: (0, _core_utils.readUint32)(data, position + 12)
+        };
+
+        if (pageInfo.height === 0xffffffff) {
+          delete pageInfo.height;
+        }
+
+        var pageSegmentFlags = data[position + 16];
+        (0, _core_utils.readUint16)(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+        pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+
+      case 49:
+        break;
+
+      case 50:
+        break;
+
+      case 51:
+        break;
+
+      case 53:
+        args = [header.number, data, position, end];
+        break;
+
+      case 62:
+        break;
+
+      default:
+        throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(header.type, ")") + " is not implemented");
+    }
+
+    var callbackName = "on" + header.typeName;
+
+    if (callbackName in visitor) {
+      visitor[callbackName].apply(visitor, args);
+    }
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++) {
+      processSegment(segments[i], visitor);
+    }
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+
+    return visitor.buffer;
+  }
+
+  function parseJbig2(data) {
+    var end = data.length;
+    var position = 0;
+
+    if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
+      throw new Jbig2Error("parseJbig2 - invalid header.");
+    }
+
+    var header = Object.create(null);
+    position += 8;
+    var flags = data[position++];
+    header.randomAccess = !(flags & 1);
+
+    if (!(flags & 2)) {
+      header.numberOfPages = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    var segments = readSegments(header, data, position, end);
+    var visitor = new SimpleSegmentVisitor();
+    processSegments(segments, visitor);
+    var _visitor$currentPageI = visitor.currentPageInfo,
+        width = _visitor$currentPageI.width,
+        height = _visitor$currentPageI.height;
+    var bitPacked = visitor.buffer;
+    var imgData = new Uint8ClampedArray(width * height);
+    var q = 0,
+        k = 0;
+
+    for (var i = 0; i < height; i++) {
+      var mask = 0,
+          buffer = void 0;
+
+      for (var j = 0; j < width; j++) {
+        if (!mask) {
+          mask = 128;
+          buffer = bitPacked[k++];
+        }
+
+        imgData[q++] = buffer & mask ? 0 : 255;
+        mask >>= 1;
+      }
+    }
+
+    return {
+      imgData: imgData,
+      width: width,
+      height: height
+    };
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = info.width + 7 >> 3;
+      var buffer = new Uint8ClampedArray(rowSize * info.height);
+
+      if (info.defaultPixelValue) {
+        for (var i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = 0xff;
+        }
+      }
+
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width,
+          height = regionInfo.height;
+      var rowSize = pageInfo.width + 7 >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      var mask0 = 128 >> (regionInfo.x & 7);
+      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
+      var i, j, mask, offset;
+
+      switch (combinationOperator) {
+        case 0:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] |= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        case 2:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] ^= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        default:
+          throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
+      }
+    },
+    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
+      var huffmanTables, huffmanInput;
+
+      if (dictionary.huffman) {
+        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
+        huffmanInput = new Reader(data, start, end);
+      }
+
+      var symbols = this.symbols;
+
+      if (!symbols) {
+        this.symbols = symbols = {};
+      }
+
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        var referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
+    },
+    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
+      var regionInfo = region.info;
+      var huffmanTables, huffmanInput;
+      var symbols = this.symbols;
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        var referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
+
+      if (region.huffman) {
+        huffmanInput = new Reader(data, start, end);
+        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+      this.onImmediateTextRegion.apply(this, arguments);
+    },
+    onPatternDictionary: function onPatternDictionary(dictionary, currentSegment, data, start, end) {
+      var patterns = this.patterns;
+
+      if (!patterns) {
+        this.patterns = patterns = {};
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
+    },
+    onImmediateHalftoneRegion: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
+      var patterns = this.patterns[referredSegments[0]];
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessHalftoneRegion: function onImmediateLosslessHalftoneRegion() {
+      this.onImmediateHalftoneRegion.apply(this, arguments);
+    },
+    onTables: function onTables(currentSegment, data, start, end) {
+      var customTables = this.customTables;
+
+      if (!customTables) {
+        this.customTables = customTables = {};
+      }
+
+      customTables[currentSegment] = decodeTablesSegment(data, start, end);
+    }
+  };
+
+  function HuffmanLine(lineData) {
+    if (lineData.length === 2) {
+      this.isOOB = true;
+      this.rangeLow = 0;
+      this.prefixLength = lineData[0];
+      this.rangeLength = 0;
+      this.prefixCode = lineData[1];
+      this.isLowerRange = false;
+    } else {
+      this.isOOB = false;
+      this.rangeLow = lineData[0];
+      this.prefixLength = lineData[1];
+      this.rangeLength = lineData[2];
+      this.prefixCode = lineData[3];
+      this.isLowerRange = lineData[4] === "lower";
+    }
+  }
+
+  function HuffmanTreeNode(line) {
+    this.children = [];
+
+    if (line) {
+      this.isLeaf = true;
+      this.rangeLength = line.rangeLength;
+      this.rangeLow = line.rangeLow;
+      this.isLowerRange = line.isLowerRange;
+      this.isOOB = line.isOOB;
+    } else {
+      this.isLeaf = false;
+    }
+  }
+
+  HuffmanTreeNode.prototype = {
+    buildTree: function buildTree(line, shift) {
+      var bit = line.prefixCode >> shift & 1;
+
+      if (shift <= 0) {
+        this.children[bit] = new HuffmanTreeNode(line);
+      } else {
+        var node = this.children[bit];
+
+        if (!node) {
+          this.children[bit] = node = new HuffmanTreeNode(null);
+        }
+
+        node.buildTree(line, shift - 1);
+      }
+    },
+    decodeNode: function decodeNode(reader) {
+      if (this.isLeaf) {
+        if (this.isOOB) {
+          return null;
+        }
+
+        var htOffset = reader.readBits(this.rangeLength);
+        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
+      }
+
+      var node = this.children[reader.readBit()];
+
+      if (!node) {
+        throw new Jbig2Error("invalid Huffman data");
+      }
+
+      return node.decodeNode(reader);
+    }
+  };
+
+  function HuffmanTable(lines, prefixCodesDone) {
+    if (!prefixCodesDone) {
+      this.assignPrefixCodes(lines);
+    }
+
+    this.rootNode = new HuffmanTreeNode(null);
+
+    for (var i = 0, ii = lines.length; i < ii; i++) {
+      var line = lines[i];
+
+      if (line.prefixLength > 0) {
+        this.rootNode.buildTree(line, line.prefixLength - 1);
+      }
+    }
+  }
+
+  HuffmanTable.prototype = {
+    decode: function decode(reader) {
+      return this.rootNode.decodeNode(reader);
+    },
+    assignPrefixCodes: function assignPrefixCodes(lines) {
+      var linesLength = lines.length;
+      var prefixLengthMax = 0;
+
+      for (var i = 0; i < linesLength; i++) {
+        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
+      }
+
+      var histogram = new Uint32Array(prefixLengthMax + 1);
+
+      for (var _i2 = 0; _i2 < linesLength; _i2++) {
+        histogram[lines[_i2].prefixLength]++;
+      }
+
+      var currentLength = 1,
+          firstCode = 0,
+          currentCode,
+          currentTemp,
+          line;
+      histogram[0] = 0;
+
+      while (currentLength <= prefixLengthMax) {
+        firstCode = firstCode + histogram[currentLength - 1] << 1;
+        currentCode = firstCode;
+        currentTemp = 0;
+
+        while (currentTemp < linesLength) {
+          line = lines[currentTemp];
+
+          if (line.prefixLength === currentLength) {
+            line.prefixCode = currentCode;
+            currentCode++;
+          }
+
+          currentTemp++;
+        }
+
+        currentLength++;
+      }
+    }
+  };
+
+  function decodeTablesSegment(data, start, end) {
+    var flags = data[start];
+    var lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
+    var highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
+    var reader = new Reader(data, start + 9, end);
+    var prefixSizeBits = (flags >> 1 & 7) + 1;
+    var rangeSizeBits = (flags >> 4 & 7) + 1;
+    var lines = [];
+    var prefixLength,
+        rangeLength,
+        currentRangeLow = lowestValue;
+
+    do {
+      prefixLength = reader.readBits(prefixSizeBits);
+      rangeLength = reader.readBits(rangeSizeBits);
+      lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
+      currentRangeLow += 1 << rangeLength;
+    } while (currentRangeLow < highestValue);
+
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
+
+    if (flags & 1) {
+      prefixLength = reader.readBits(prefixSizeBits);
+      lines.push(new HuffmanLine([prefixLength, 0]));
+    }
+
+    return new HuffmanTable(lines, false);
+  }
+
+  var standardTablesCache = {};
+
+  function getStandardTable(number) {
+    var table = standardTablesCache[number];
+
+    if (table) {
+      return table;
+    }
+
+    var lines;
+
+    switch (number) {
+      case 1:
+        lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
+        break;
+
+      case 2:
+        lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
+        break;
+
+      case 3:
+        lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
+        break;
+
+      case 4:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
+        break;
+
+      case 5:
+        lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
+        break;
+
+      case 6:
+        lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
+        break;
+
+      case 7:
+        lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
+        break;
+
+      case 8:
+        lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
+        break;
+
+      case 9:
+        lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
+        break;
+
+      case 10:
+        lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
+        break;
+
+      case 11:
+        lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 12:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
+        break;
+
+      case 13:
+        lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 14:
+        lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
+        break;
+
+      case 15:
+        lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
+        break;
+
+      default:
+        throw new Jbig2Error("standard table B.".concat(number, " does not exist"));
+    }
+
+    for (var i = 0, ii = lines.length; i < ii; i++) {
+      lines[i] = new HuffmanLine(lines[i]);
+    }
+
+    table = new HuffmanTable(lines, true);
+    standardTablesCache[number] = table;
+    return table;
+  }
+
+  function Reader(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+    this.position = start;
+    this.shift = -1;
+    this.currentByte = 0;
+  }
+
+  Reader.prototype = {
+    readBit: function readBit() {
+      if (this.shift < 0) {
+        if (this.position >= this.end) {
+          throw new Jbig2Error("end of data while reading bit");
+        }
+
+        this.currentByte = this.data[this.position++];
+        this.shift = 7;
+      }
+
+      var bit = this.currentByte >> this.shift & 1;
+      this.shift--;
+      return bit;
+    },
+    readBits: function readBits(numBits) {
+      var result = 0,
+          i;
+
+      for (i = numBits - 1; i >= 0; i--) {
+        result |= this.readBit() << i;
+      }
+
+      return result;
+    },
+    byteAlign: function byteAlign() {
+      this.shift = -1;
+    },
+    next: function next() {
+      if (this.position >= this.end) {
+        return -1;
+      }
+
+      return this.data[this.position++];
+    }
+  };
+
+  function getCustomHuffmanTable(index, referredTo, customTables) {
+    var currentIndex = 0;
+
+    for (var i = 0, ii = referredTo.length; i < ii; i++) {
+      var table = customTables[referredTo[i]];
+
+      if (table) {
+        if (index === currentIndex) {
+          return table;
+        }
+
+        currentIndex++;
+      }
+    }
+
+    throw new Jbig2Error("can't find custom Huffman table");
+  }
+
+  function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
+    var codes = [];
+
+    for (var i = 0; i <= 34; i++) {
+      var codeLength = reader.readBits(4);
+      codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+    }
+
+    var runCodesTable = new HuffmanTable(codes, false);
+    codes.length = 0;
+
+    for (var _i3 = 0; _i3 < numberOfSymbols;) {
+      var _codeLength = runCodesTable.decode(reader);
+
+      if (_codeLength >= 32) {
+        var repeatedLength = void 0,
+            numberOfRepeats = void 0,
+            j = void 0;
+
+        switch (_codeLength) {
+          case 32:
+            if (_i3 === 0) {
+              throw new Jbig2Error("no previous value in symbol ID table");
+            }
+
+            numberOfRepeats = reader.readBits(2) + 3;
+            repeatedLength = codes[_i3 - 1].prefixLength;
+            break;
+
+          case 33:
+            numberOfRepeats = reader.readBits(3) + 3;
+            repeatedLength = 0;
+            break;
+
+          case 34:
+            numberOfRepeats = reader.readBits(7) + 11;
+            repeatedLength = 0;
+            break;
+
+          default:
+            throw new Jbig2Error("invalid code length in symbol ID table");
+        }
+
+        for (j = 0; j < numberOfRepeats; j++) {
+          codes.push(new HuffmanLine([_i3, repeatedLength, 0, 0]));
+          _i3++;
+        }
+      } else {
+        codes.push(new HuffmanLine([_i3, _codeLength, 0, 0]));
+        _i3++;
+      }
+    }
+
+    reader.byteAlign();
+    var symbolIDTable = new HuffmanTable(codes, false);
+    var customIndex = 0,
+        tableFirstS,
+        tableDeltaS,
+        tableDeltaT;
+
+    switch (textRegion.huffmanFS) {
+      case 0:
+      case 1:
+        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
+        break;
+
+      case 3:
+        tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman FS selector");
+    }
+
+    switch (textRegion.huffmanDS) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
+        break;
+
+      case 3:
+        tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DS selector");
+    }
+
+    switch (textRegion.huffmanDT) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
+        break;
+
+      case 3:
+        tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DT selector");
+    }
+
+    if (textRegion.refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    return {
+      symbolIDTable: symbolIDTable,
+      tableFirstS: tableFirstS,
+      tableDeltaS: tableDeltaS,
+      tableDeltaT: tableDeltaT
+    };
+  }
+
+  function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
+    var customIndex = 0,
+        tableDeltaHeight,
+        tableDeltaWidth;
+
+    switch (dictionary.huffmanDHSelector) {
+      case 0:
+      case 1:
+        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
+        break;
+
+      case 3:
+        tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DH selector");
+    }
+
+    switch (dictionary.huffmanDWSelector) {
+      case 0:
+      case 1:
+        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
+        break;
+
+      case 3:
+        tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DW selector");
+    }
+
+    var tableBitmapSize, tableAggregateInstances;
+
+    if (dictionary.bitmapSizeSelector) {
+      tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
+      customIndex++;
+    } else {
+      tableBitmapSize = getStandardTable(1);
+    }
+
+    if (dictionary.aggregationInstancesSelector) {
+      tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
+    } else {
+      tableAggregateInstances = getStandardTable(1);
+    }
+
+    return {
+      tableDeltaHeight: tableDeltaHeight,
+      tableDeltaWidth: tableDeltaWidth,
+      tableBitmapSize: tableBitmapSize,
+      tableAggregateInstances: tableAggregateInstances
+    };
+  }
+
+  function readUncompressedBitmap(reader, width, height) {
+    var bitmap = [];
+
+    for (var y = 0; y < height; y++) {
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var x = 0; x < width; x++) {
+        row[x] = reader.readBit();
+      }
+
+      reader.byteAlign();
+    }
+
+    return bitmap;
+  }
+
+  function decodeMMRBitmap(input, width, height, endOfBlock) {
+    var params = {
+      K: -1,
+      Columns: width,
+      Rows: height,
+      BlackIs1: true,
+      EndOfBlock: endOfBlock
+    };
+    var decoder = new _ccitt.CCITTFaxDecoder(input, params);
+    var bitmap = [];
+    var currentByte,
+        eof = false;
+
+    for (var y = 0; y < height; y++) {
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+      var shift = -1;
+
+      for (var x = 0; x < width; x++) {
+        if (shift < 0) {
+          currentByte = decoder.readNextChar();
+
+          if (currentByte === -1) {
+            currentByte = 0;
+            eof = true;
+          }
+
+          shift = 7;
+        }
+
+        row[x] = currentByte >> shift & 1;
+        shift--;
+      }
+    }
+
+    if (endOfBlock && !eof) {
+      var lookForEOFLimit = 5;
+
+      for (var i = 0; i < lookForEOFLimit; i++) {
+        if (decoder.readNextChar() === -1) {
+          break;
+        }
+      }
+    }
+
+    return bitmap;
+  }
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks: function parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    },
+    parse: function parse(data) {
+      var _parseJbig = parseJbig2(data),
+          imgData = _parseJbig.imgData,
+          width = _parseJbig.width,
+          height = _parseJbig.height;
+
+      this.width = width;
+      this.height = height;
+      return imgData;
+    }
+  };
+  return Jbig2Image;
+}();
+
+exports.Jbig2Image = Jbig2Image;
+
+/***/ }),
+/* 179 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getInheritableProperty = getInheritableProperty;
+exports.toRomanNumerals = toRomanNumerals;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.isWhiteSpace = isWhiteSpace;
+exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function getLookupTableFactory(initializer) {
+  var lookup;
+  return function () {
+    if (initializer) {
+      lookup = Object.create(null);
+      initializer(lookup);
+      initializer = null;
+    }
+
+    return lookup;
+  };
+}
+
+var MissingDataException = /*#__PURE__*/function (_BaseException) {
+  _inherits(MissingDataException, _BaseException);
+
+  var _super = _createSuper(MissingDataException);
+
+  function MissingDataException(begin, end) {
+    var _this;
+
+    _classCallCheck(this, MissingDataException);
+
+    _this = _super.call(this, "Missing data [".concat(begin, ", ").concat(end, ")"));
+    _this.begin = begin;
+    _this.end = end;
+    return _this;
+  }
+
+  return MissingDataException;
+}(_util.BaseException);
+
+exports.MissingDataException = MissingDataException;
+
+var XRefEntryException = /*#__PURE__*/function (_BaseException2) {
+  _inherits(XRefEntryException, _BaseException2);
+
+  var _super2 = _createSuper(XRefEntryException);
+
+  function XRefEntryException() {
+    _classCallCheck(this, XRefEntryException);
+
+    return _super2.apply(this, arguments);
+  }
+
+  return XRefEntryException;
+}(_util.BaseException);
+
+exports.XRefEntryException = XRefEntryException;
+
+var XRefParseException = /*#__PURE__*/function (_BaseException3) {
+  _inherits(XRefParseException, _BaseException3);
+
+  var _super3 = _createSuper(XRefParseException);
+
+  function XRefParseException() {
+    _classCallCheck(this, XRefParseException);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return XRefParseException;
+}(_util.BaseException);
+
+exports.XRefParseException = XRefParseException;
+
+function getInheritableProperty(_ref) {
+  var dict = _ref.dict,
+      key = _ref.key,
+      _ref$getArray = _ref.getArray,
+      getArray = _ref$getArray === void 0 ? false : _ref$getArray,
+      _ref$stopWhenFound = _ref.stopWhenFound,
+      stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound;
+  var LOOP_LIMIT = 100;
+  var loopCount = 0;
+  var values;
+
+  while (dict) {
+    var value = getArray ? dict.getArray(key) : dict.get(key);
+
+    if (value !== undefined) {
+      if (stopWhenFound) {
+        return value;
+      }
+
+      if (!values) {
+        values = [];
+      }
+
+      values.push(value);
+    }
+
+    if (++loopCount > LOOP_LIMIT) {
+      (0, _util.warn)("getInheritableProperty: maximum loop count exceeded for \"".concat(key, "\""));
+      break;
+    }
+
+    dict = dict.get("Parent");
+  }
+
+  return values;
+}
+
+var ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
+
+function toRomanNumerals(number) {
+  var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
+  var romanBuf = [];
+  var pos;
+
+  while (number >= 1000) {
+    number -= 1000;
+    romanBuf.push("M");
+  }
+
+  pos = number / 100 | 0;
+  number %= 100;
+  romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+  pos = number / 10 | 0;
+  number %= 10;
+  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+  var romanStr = romanBuf.join("");
+  return lowerCase ? romanStr.toLowerCase() : romanStr;
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, offset) {
+  return data[offset] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isWhiteSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
+}
+
+/***/ }),
+/* 180 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ArithmeticDecoder = void 0;
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var QeTable = [{
+  qe: 0x5601,
+  nmps: 1,
+  nlps: 1,
+  switchFlag: 1
+}, {
+  qe: 0x3401,
+  nmps: 2,
+  nlps: 6,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 3,
+  nlps: 9,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 4,
+  nlps: 12,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 5,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 38,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 7,
+  nlps: 6,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 8,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 9,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 10,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 11,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 12,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 13,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 29,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 15,
+  nlps: 14,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 16,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x5101,
+  nmps: 17,
+  nlps: 15,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 18,
+  nlps: 16,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 19,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x3401,
+  nmps: 20,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 21,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2801,
+  nmps: 22,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 23,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x2201,
+  nmps: 24,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 25,
+  nlps: 22,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 26,
+  nlps: 23,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 27,
+  nlps: 24,
+  switchFlag: 0
+}, {
+  qe: 0x1401,
+  nmps: 28,
+  nlps: 25,
+  switchFlag: 0
+}, {
+  qe: 0x1201,
+  nmps: 29,
+  nlps: 26,
+  switchFlag: 0
+}, {
+  qe: 0x1101,
+  nmps: 30,
+  nlps: 27,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 31,
+  nlps: 28,
+  switchFlag: 0
+}, {
+  qe: 0x09c1,
+  nmps: 32,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x08a1,
+  nmps: 33,
+  nlps: 30,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 34,
+  nlps: 31,
+  switchFlag: 0
+}, {
+  qe: 0x0441,
+  nmps: 35,
+  nlps: 32,
+  switchFlag: 0
+}, {
+  qe: 0x02a1,
+  nmps: 36,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 37,
+  nlps: 34,
+  switchFlag: 0
+}, {
+  qe: 0x0141,
+  nmps: 38,
+  nlps: 35,
+  switchFlag: 0
+}, {
+  qe: 0x0111,
+  nmps: 39,
+  nlps: 36,
+  switchFlag: 0
+}, {
+  qe: 0x0085,
+  nmps: 40,
+  nlps: 37,
+  switchFlag: 0
+}, {
+  qe: 0x0049,
+  nmps: 41,
+  nlps: 38,
+  switchFlag: 0
+}, {
+  qe: 0x0025,
+  nmps: 42,
+  nlps: 39,
+  switchFlag: 0
+}, {
+  qe: 0x0015,
+  nmps: 43,
+  nlps: 40,
+  switchFlag: 0
+}, {
+  qe: 0x0009,
+  nmps: 44,
+  nlps: 41,
+  switchFlag: 0
+}, {
+  qe: 0x0005,
+  nmps: 45,
+  nlps: 42,
+  switchFlag: 0
+}, {
+  qe: 0x0001,
+  nmps: 45,
+  nlps: 43,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 46,
+  nlps: 46,
+  switchFlag: 0
+}];
+
+var ArithmeticDecoder = /*#__PURE__*/function () {
+  function ArithmeticDecoder(data, start, end) {
+    _classCallCheck(this, ArithmeticDecoder);
+
+    this.data = data;
+    this.bp = start;
+    this.dataEnd = end;
+    this.chigh = data[start];
+    this.clow = 0;
+    this.byteIn();
+    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
+    this.clow = this.clow << 7 & 0xffff;
+    this.ct -= 7;
+    this.a = 0x8000;
+  }
+
+  _createClass(ArithmeticDecoder, [{
+    key: "byteIn",
+    value: function byteIn() {
+      var data = this.data;
+      var bp = this.bp;
+
+      if (data[bp] === 0xff) {
+        if (data[bp + 1] > 0x8f) {
+          this.clow += 0xff00;
+          this.ct = 8;
+        } else {
+          bp++;
+          this.clow += data[bp] << 9;
+          this.ct = 7;
+          this.bp = bp;
+        }
+      } else {
+        bp++;
+        this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
+        this.ct = 8;
+        this.bp = bp;
+      }
+
+      if (this.clow > 0xffff) {
+        this.chigh += this.clow >> 16;
+        this.clow &= 0xffff;
+      }
+    }
+  }, {
+    key: "readBit",
+    value: function readBit(contexts, pos) {
+      var cx_index = contexts[pos] >> 1,
+          cx_mps = contexts[pos] & 1;
+      var qeTableIcx = QeTable[cx_index];
+      var qeIcx = qeTableIcx.qe;
+      var d;
+      var a = this.a - qeIcx;
+
+      if (this.chigh < qeIcx) {
+        if (a < qeIcx) {
+          a = qeIcx;
+          d = cx_mps;
+          cx_index = qeTableIcx.nmps;
+        } else {
+          a = qeIcx;
+          d = 1 ^ cx_mps;
+
+          if (qeTableIcx.switchFlag === 1) {
+            cx_mps = d;
+          }
+
+          cx_index = qeTableIcx.nlps;
+        }
+      } else {
+        this.chigh -= qeIcx;
+
+        if ((a & 0x8000) !== 0) {
+          this.a = a;
+          return cx_mps;
+        }
+
+        if (a < qeIcx) {
+          d = 1 ^ cx_mps;
+
+          if (qeTableIcx.switchFlag === 1) {
+            cx_mps = d;
+          }
+
+          cx_index = qeTableIcx.nlps;
+        } else {
+          d = cx_mps;
+          cx_index = qeTableIcx.nmps;
+        }
+      }
+
+      do {
+        if (this.ct === 0) {
+          this.byteIn();
+        }
+
+        a <<= 1;
+        this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
+        this.clow = this.clow << 1 & 0xffff;
+        this.ct--;
+      } while ((a & 0x8000) === 0);
+
+      this.a = a;
+      contexts[pos] = cx_index << 1 | cx_mps;
+      return d;
+    }
+  }]);
+
+  return ArithmeticDecoder;
+}();
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
+
+/***/ }),
+/* 181 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxDecoder = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var CCITTFaxDecoder = function CCITTFaxDecoder() {
+  var ccittEOL = -2;
+  var ccittEOF = -1;
+  var twoDimPass = 0;
+  var twoDimHoriz = 1;
+  var twoDimVert0 = 2;
+  var twoDimVertR1 = 3;
+  var twoDimVertL1 = 4;
+  var twoDimVertR2 = 5;
+  var twoDimVertL2 = 6;
+  var twoDimVertR3 = 7;
+  var twoDimVertL3 = 8;
+  var twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
+  var whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
+  var whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
+  var blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
+  var blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
+  var blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
+
+  function CCITTFaxDecoder(source) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    if (!source || typeof source.next !== "function") {
+      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
+    }
+
+    this.source = source;
+    this.eof = false;
+    this.encoding = options.K || 0;
+    this.eoline = options.EndOfLine || false;
+    this.byteAlign = options.EncodedByteAlign || false;
+    this.columns = options.Columns || 1728;
+    this.rows = options.Rows || 0;
+    var eoblock = options.EndOfBlock;
+
+    if (eoblock === null || eoblock === undefined) {
+      eoblock = true;
+    }
+
+    this.eoblock = eoblock;
+    this.black = options.BlackIs1 || false;
+    this.codingLine = new Uint32Array(this.columns + 1);
+    this.refLine = new Uint32Array(this.columns + 2);
+    this.codingLine[0] = this.columns;
+    this.codingPos = 0;
+    this.row = 0;
+    this.nextLine2D = this.encoding < 0;
+    this.inputBits = 0;
+    this.inputBuf = 0;
+    this.outputBits = 0;
+    this.rowsDone = false;
+    var code1;
+
+    while ((code1 = this._lookBits(12)) === 0) {
+      this._eatBits(1);
+    }
+
+    if (code1 === 1) {
+      this._eatBits(12);
+    }
+
+    if (this.encoding > 0) {
+      this.nextLine2D = !this._lookBits(1);
+
+      this._eatBits(1);
+    }
+  }
+
+  CCITTFaxDecoder.prototype = {
+    readNextChar: function readNextChar() {
+      if (this.eof) {
+        return -1;
+      }
+
+      var refLine = this.refLine;
+      var codingLine = this.codingLine;
+      var columns = this.columns;
+      var refPos, blackPixels, bits, i;
+
+      if (this.outputBits === 0) {
+        if (this.rowsDone) {
+          this.eof = true;
+        }
+
+        if (this.eof) {
+          return -1;
+        }
+
+        this.err = false;
+        var code1, code2, code3;
+
+        if (this.nextLine2D) {
+          for (i = 0; codingLine[i] < columns; ++i) {
+            refLine[i] = codingLine[i];
+          }
+
+          refLine[i++] = columns;
+          refLine[i] = columns;
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          refPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = this._getTwoDimCode();
+
+            switch (code1) {
+              case twoDimPass:
+                this._addPixels(refLine[refPos + 1], blackPixels);
+
+                if (refLine[refPos + 1] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimHoriz:
+                code1 = code2 = 0;
+
+                if (blackPixels) {
+                  do {
+                    code1 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+                } else {
+                  do {
+                    code1 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+                }
+
+                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+                if (codingLine[this.codingPos] < columns) {
+                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
+                }
+
+                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimVertR3:
+                this._addPixels(refLine[refPos] + 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR2:
+                this._addPixels(refLine[refPos] + 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR1:
+                this._addPixels(refLine[refPos] + 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVert0:
+                this._addPixels(refLine[refPos], blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL3:
+                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL2:
+                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL1:
+                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case ccittEOF:
+                this._addPixels(columns, 0);
+
+                this.eof = true;
+                break;
+
+              default:
+                (0, _util.info)("bad 2d code");
+
+                this._addPixels(columns, 0);
+
+                this.err = true;
+            }
+          }
+        } else {
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = 0;
+
+            if (blackPixels) {
+              do {
+                code1 += code3 = this._getBlackCode();
+              } while (code3 >= 64);
+            } else {
+              do {
+                code1 += code3 = this._getWhiteCode();
+              } while (code3 >= 64);
+            }
+
+            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+            blackPixels ^= 1;
+          }
+        }
+
+        var gotEOL = false;
+
+        if (this.byteAlign) {
+          this.inputBits &= ~7;
+        }
+
+        if (!this.eoblock && this.row === this.rows - 1) {
+          this.rowsDone = true;
+        } else {
+          code1 = this._lookBits(12);
+
+          if (this.eoline) {
+            while (code1 !== ccittEOF && code1 !== 1) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          } else {
+            while (code1 === 0) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          }
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            gotEOL = true;
+          } else if (code1 === ccittEOF) {
+            this.eof = true;
+          }
+        }
+
+        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
+          this.nextLine2D = !this._lookBits(1);
+
+          this._eatBits(1);
+        }
+
+        if (this.eoblock && gotEOL && this.byteAlign) {
+          code1 = this._lookBits(12);
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            if (this.encoding > 0) {
+              this._lookBits(1);
+
+              this._eatBits(1);
+            }
+
+            if (this.encoding >= 0) {
+              for (i = 0; i < 4; ++i) {
+                code1 = this._lookBits(12);
+
+                if (code1 !== 1) {
+                  (0, _util.info)("bad rtc code: " + code1);
+                }
+
+                this._eatBits(12);
+
+                if (this.encoding > 0) {
+                  this._lookBits(1);
+
+                  this._eatBits(1);
+                }
+              }
+            }
+
+            this.eof = true;
+          }
+        } else if (this.err && this.eoline) {
+          while (true) {
+            code1 = this._lookBits(13);
+
+            if (code1 === ccittEOF) {
+              this.eof = true;
+              return -1;
+            }
+
+            if (code1 >> 1 === 1) {
+              break;
+            }
+
+            this._eatBits(1);
+          }
+
+          this._eatBits(12);
+
+          if (this.encoding > 0) {
+            this._eatBits(1);
+
+            this.nextLine2D = !(code1 & 1);
+          }
+        }
+
+        if (codingLine[0] > 0) {
+          this.outputBits = codingLine[this.codingPos = 0];
+        } else {
+          this.outputBits = codingLine[this.codingPos = 1];
+        }
+
+        this.row++;
+      }
+
+      var c;
+
+      if (this.outputBits >= 8) {
+        c = this.codingPos & 1 ? 0 : 0xff;
+        this.outputBits -= 8;
+
+        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
+          this.codingPos++;
+          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+        }
+      } else {
+        bits = 8;
+        c = 0;
+
+        do {
+          if (this.outputBits > bits) {
+            c <<= bits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - bits;
+            }
+
+            this.outputBits -= bits;
+            bits = 0;
+          } else {
+            c <<= this.outputBits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - this.outputBits;
+            }
+
+            bits -= this.outputBits;
+            this.outputBits = 0;
+
+            if (codingLine[this.codingPos] < columns) {
+              this.codingPos++;
+              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+            } else if (bits > 0) {
+              c <<= bits;
+              bits = 0;
+            }
+          }
+        } while (bits);
+      }
+
+      if (this.black) {
+        c ^= 0xff;
+      }
+
+      return c;
+    },
+    _addPixels: function _addPixels(a1, blackPixels) {
+      var codingLine = this.codingLine;
+      var codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+    _addPixelsNeg: function _addPixelsNeg(a1, blackPixels) {
+      var codingLine = this.codingLine;
+      var codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      } else if (a1 < codingLine[codingPos]) {
+        if (a1 < 0) {
+          (0, _util.info)("invalid code");
+          this.err = true;
+          a1 = 0;
+        }
+
+        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
+          --codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+    _findTableCode: function _findTableCode(start, end, table, limit) {
+      var limitValue = limit || 0;
+
+      for (var i = start; i <= end; ++i) {
+        var code = this._lookBits(i);
+
+        if (code === ccittEOF) {
+          return [true, 1, false];
+        }
+
+        if (i < end) {
+          code <<= end - i;
+        }
+
+        if (!limitValue || code >= limitValue) {
+          var p = table[code - limitValue];
+
+          if (p[0] === i) {
+            this._eatBits(i);
+
+            return [true, p[1], true];
+          }
+        }
+      }
+
+      return [false, 0, false];
+    },
+    _getTwoDimCode: function _getTwoDimCode() {
+      var code = 0;
+      var p;
+
+      if (this.eoblock) {
+        code = this._lookBits(7);
+        p = twoDimTable[code];
+
+        if (p && p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(1, 7, twoDimTable);
+
+        if (result[0] && result[2]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("Bad two dim code");
+      return ccittEOF;
+    },
+    _getWhiteCode: function _getWhiteCode() {
+      var code = 0;
+      var p;
+
+      if (this.eoblock) {
+        code = this._lookBits(12);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 5 === 0) {
+          p = whiteTable1[code];
+        } else {
+          p = whiteTable2[code >> 3];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(1, 9, whiteTable2);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(11, 12, whiteTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad white code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+    _getBlackCode: function _getBlackCode() {
+      var code, p;
+
+      if (this.eoblock) {
+        code = this._lookBits(13);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 7 === 0) {
+          p = blackTable1[code];
+        } else if (code >> 9 === 0 && code >> 7 !== 0) {
+          p = blackTable2[(code >> 1) - 64];
+        } else {
+          p = blackTable3[code >> 7];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        var result = this._findTableCode(2, 6, blackTable3);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(7, 12, blackTable2, 64);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(10, 13, blackTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad black code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+    _lookBits: function _lookBits(n) {
+      var c;
+
+      while (this.inputBits < n) {
+        if ((c = this.source.next()) === -1) {
+          if (this.inputBits === 0) {
+            return ccittEOF;
+          }
+
+          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
+        }
+
+        this.inputBuf = this.inputBuf << 8 | c;
+        this.inputBits += 8;
+      }
+
+      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
+    },
+    _eatBits: function _eatBits(n) {
+      if ((this.inputBits -= n) < 0) {
+        this.inputBits = 0;
+      }
+    }
+  };
+  return CCITTFaxDecoder;
+}();
+
+exports.CCITTFaxDecoder = CCITTFaxDecoder;
+
+/***/ }),
+/* 182 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegImage = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(179);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var JpegError = /*#__PURE__*/function (_BaseException) {
+  _inherits(JpegError, _BaseException);
+
+  var _super = _createSuper(JpegError);
+
+  function JpegError(msg) {
+    _classCallCheck(this, JpegError);
+
+    return _super.call(this, "JPEG error: ".concat(msg));
+  }
+
+  return JpegError;
+}(_util.BaseException);
+
+var DNLMarkerError = /*#__PURE__*/function (_BaseException2) {
+  _inherits(DNLMarkerError, _BaseException2);
+
+  var _super2 = _createSuper(DNLMarkerError);
+
+  function DNLMarkerError(message, scanLines) {
+    var _this;
+
+    _classCallCheck(this, DNLMarkerError);
+
+    _this = _super2.call(this, message);
+    _this.scanLines = scanLines;
+    return _this;
+  }
+
+  return DNLMarkerError;
+}(_util.BaseException);
+
+var EOIMarkerError = /*#__PURE__*/function (_BaseException3) {
+  _inherits(EOIMarkerError, _BaseException3);
+
+  var _super3 = _createSuper(EOIMarkerError);
+
+  function EOIMarkerError() {
+    _classCallCheck(this, EOIMarkerError);
+
+    return _super3.apply(this, arguments);
+  }
+
+  return EOIMarkerError;
+}(_util.BaseException);
+
+var JpegImage = function JpegImageClosure() {
+  var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
+  var dctCos1 = 4017;
+  var dctSin1 = 799;
+  var dctCos3 = 3406;
+  var dctSin3 = 2276;
+  var dctCos6 = 1567;
+  var dctSin6 = 3784;
+  var dctSqrt2 = 5793;
+  var dctSqrt1d2 = 2896;
+
+  function JpegImage() {
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref$decodeTransform = _ref.decodeTransform,
+        decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform,
+        _ref$colorTransform = _ref.colorTransform,
+        colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform;
+
+    this._decodeTransform = decodeTransform;
+    this._colorTransform = colorTransform;
+  }
+
+  function buildHuffmanTable(codeLengths, values) {
+    var k = 0,
+        code = [],
+        i,
+        j,
+        length = 16;
+
+    while (length > 0 && !codeLengths[length - 1]) {
+      length--;
+    }
+
+    code.push({
+      children: [],
+      index: 0
+    });
+    var p = code[0],
+        q;
+
+    for (i = 0; i < length; i++) {
+      for (j = 0; j < codeLengths[i]; j++) {
+        p = code.pop();
+        p.children[p.index] = values[k];
+
+        while (p.index > 0) {
+          p = code.pop();
+        }
+
+        p.index++;
+        code.push(p);
+
+        while (code.length <= i) {
+          code.push(q = {
+            children: [],
+            index: 0
+          });
+          p.children[p.index] = q.children;
+          p = q;
+        }
+
+        k++;
+      }
+
+      if (i + 1 < length) {
+        code.push(q = {
+          children: [],
+          index: 0
+        });
+        p.children[p.index] = q.children;
+        p = q;
+      }
+    }
+
+    return code[0].children;
+  }
+
+  function getBlockBufferOffset(component, row, col) {
+    return 64 * ((component.blocksPerLine + 1) * row + col);
+  }
+
+  function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
+    var parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false;
+    var mcusPerLine = frame.mcusPerLine;
+    var progressive = frame.progressive;
+    var startOffset = offset;
+    var bitsData = 0,
+        bitsCount = 0;
+
+    function readBit() {
+      if (bitsCount > 0) {
+        bitsCount--;
+        return bitsData >> bitsCount & 1;
+      }
+
+      bitsData = data[offset++];
+
+      if (bitsData === 0xff) {
+        var nextByte = data[offset++];
+
+        if (nextByte) {
+          if (nextByte === 0xdc && parseDNLMarker) {
+            offset += 2;
+            var scanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            if (scanLines > 0 && scanLines !== frame.scanLines) {
+              throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
+            }
+          } else if (nextByte === 0xd9) {
+            if (parseDNLMarker) {
+              var maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
+
+              if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
+                throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
+              }
+            }
+
+            throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
+          }
+
+          throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16)));
+        }
+      }
+
+      bitsCount = 7;
+      return bitsData >>> 7;
+    }
+
+    function decodeHuffman(tree) {
+      var node = tree;
+
+      while (true) {
+        node = node[readBit()];
+
+        switch (_typeof(node)) {
+          case "number":
+            return node;
+
+          case "object":
+            continue;
+        }
+
+        throw new JpegError("invalid huffman sequence");
+      }
+    }
+
+    function receive(length) {
+      var n = 0;
+
+      while (length > 0) {
+        n = n << 1 | readBit();
+        length--;
+      }
+
+      return n;
+    }
+
+    function receiveAndExtend(length) {
+      if (length === 1) {
+        return readBit() === 1 ? 1 : -1;
+      }
+
+      var n = receive(length);
+
+      if (n >= 1 << length - 1) {
+        return n;
+      }
+
+      return n + (-1 << length) + 1;
+    }
+
+    function decodeBaseline(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t);
+      component.blockData[blockOffset] = component.pred += diff;
+      var k = 1;
+
+      while (k < 64) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s);
+        k++;
+      }
+    }
+
+    function decodeDCFirst(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
+      component.blockData[blockOffset] = component.pred += diff;
+    }
+
+    function decodeDCSuccessive(component, blockOffset) {
+      component.blockData[blockOffset] |= readBit() << successive;
+    }
+
+    var eobrun = 0;
+
+    function decodeACFirst(component, blockOffset) {
+      if (eobrun > 0) {
+        eobrun--;
+        return;
+      }
+
+      var k = spectralStart,
+          e = spectralEnd;
+
+      while (k <= e) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            eobrun = receive(r) + (1 << r) - 1;
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
+        k++;
+      }
+    }
+
+    var successiveACState = 0,
+        successiveACNextValue;
+
+    function decodeACSuccessive(component, blockOffset) {
+      var k = spectralStart;
+      var e = spectralEnd;
+      var r = 0;
+      var s;
+      var rs;
+
+      while (k <= e) {
+        var offsetZ = blockOffset + dctZigZag[k];
+        var sign = component.blockData[offsetZ] < 0 ? -1 : 1;
+
+        switch (successiveACState) {
+          case 0:
+            rs = decodeHuffman(component.huffmanTableAC);
+            s = rs & 15;
+            r = rs >> 4;
+
+            if (s === 0) {
+              if (r < 15) {
+                eobrun = receive(r) + (1 << r);
+                successiveACState = 4;
+              } else {
+                r = 16;
+                successiveACState = 1;
+              }
+            } else {
+              if (s !== 1) {
+                throw new JpegError("invalid ACn encoding");
+              }
+
+              successiveACNextValue = receiveAndExtend(s);
+              successiveACState = r ? 2 : 3;
+            }
+
+            continue;
+
+          case 1:
+          case 2:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              r--;
+
+              if (r === 0) {
+                successiveACState = successiveACState === 2 ? 3 : 0;
+              }
+            }
+
+            break;
+
+          case 3:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              component.blockData[offsetZ] = successiveACNextValue << successive;
+              successiveACState = 0;
+            }
+
+            break;
+
+          case 4:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            }
+
+            break;
+        }
+
+        k++;
+      }
+
+      if (successiveACState === 4) {
+        eobrun--;
+
+        if (eobrun === 0) {
+          successiveACState = 0;
+        }
+      }
+    }
+
+    var blockRow = 0;
+
+    function decodeMcu(component, decode, mcu, row, col) {
+      var mcuRow = mcu / mcusPerLine | 0;
+      var mcuCol = mcu % mcusPerLine;
+      blockRow = mcuRow * component.v + row;
+      var blockCol = mcuCol * component.h + col;
+      var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    function decodeBlock(component, decode, mcu) {
+      blockRow = mcu / component.blocksPerLine | 0;
+      var blockCol = mcu % component.blocksPerLine;
+      var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    var componentsLength = components.length;
+    var component, i, j, k, n;
+    var decodeFn;
+
+    if (progressive) {
+      if (spectralStart === 0) {
+        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
+      } else {
+        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
+      }
+    } else {
+      decodeFn = decodeBaseline;
+    }
+
+    var mcu = 0,
+        fileMarker;
+    var mcuExpected;
+
+    if (componentsLength === 1) {
+      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
+    } else {
+      mcuExpected = mcusPerLine * frame.mcusPerColumn;
+    }
+
+    var h, v;
+
+    while (mcu <= mcuExpected) {
+      var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
+
+      if (mcuToRead > 0) {
+        for (i = 0; i < componentsLength; i++) {
+          components[i].pred = 0;
+        }
+
+        eobrun = 0;
+
+        if (componentsLength === 1) {
+          component = components[0];
+
+          for (n = 0; n < mcuToRead; n++) {
+            decodeBlock(component, decodeFn, mcu);
+            mcu++;
+          }
+        } else {
+          for (n = 0; n < mcuToRead; n++) {
+            for (i = 0; i < componentsLength; i++) {
+              component = components[i];
+              h = component.h;
+              v = component.v;
+
+              for (j = 0; j < v; j++) {
+                for (k = 0; k < h; k++) {
+                  decodeMcu(component, decodeFn, mcu, j, k);
+                }
+              }
+            }
+
+            mcu++;
+          }
+        }
+      }
+
+      bitsCount = 0;
+      fileMarker = findNextFileMarker(data, offset);
+
+      if (!fileMarker) {
+        break;
+      }
+
+      if (fileMarker.invalid) {
+        var partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
+        (0, _util.warn)("decodeScan - ".concat(partialMsg, " MCU data, current marker is: ").concat(fileMarker.invalid));
+        offset = fileMarker.offset;
+      }
+
+      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
+        offset += 2;
+      } else {
+        break;
+      }
+    }
+
+    return offset - startOffset;
+  }
+
+  function quantizeAndInverse(component, blockBufferOffset, p) {
+    var qt = component.quantizationTable,
+        blockData = component.blockData;
+    var v0, v1, v2, v3, v4, v5, v6, v7;
+    var p0, p1, p2, p3, p4, p5, p6, p7;
+    var t;
+
+    if (!qt) {
+      throw new JpegError("missing required Quantization Table.");
+    }
+
+    for (var row = 0; row < 64; row += 8) {
+      p0 = blockData[blockBufferOffset + row];
+      p1 = blockData[blockBufferOffset + row + 1];
+      p2 = blockData[blockBufferOffset + row + 2];
+      p3 = blockData[blockBufferOffset + row + 3];
+      p4 = blockData[blockBufferOffset + row + 4];
+      p5 = blockData[blockBufferOffset + row + 5];
+      p6 = blockData[blockBufferOffset + row + 6];
+      p7 = blockData[blockBufferOffset + row + 7];
+      p0 *= qt[row];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 512 >> 10;
+        p[row] = t;
+        p[row + 1] = t;
+        p[row + 2] = t;
+        p[row + 3] = t;
+        p[row + 4] = t;
+        p[row + 5] = t;
+        p[row + 6] = t;
+        p[row + 7] = t;
+        continue;
+      }
+
+      p1 *= qt[row + 1];
+      p2 *= qt[row + 2];
+      p3 *= qt[row + 3];
+      p4 *= qt[row + 4];
+      p5 *= qt[row + 5];
+      p6 *= qt[row + 6];
+      p7 *= qt[row + 7];
+      v0 = dctSqrt2 * p0 + 128 >> 8;
+      v1 = dctSqrt2 * p4 + 128 >> 8;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
+      v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
+      v5 = p3 << 4;
+      v6 = p5 << 4;
+      v0 = v0 + v1 + 1 >> 1;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p[row] = v0 + v7;
+      p[row + 7] = v0 - v7;
+      p[row + 1] = v1 + v6;
+      p[row + 6] = v1 - v6;
+      p[row + 2] = v2 + v5;
+      p[row + 5] = v2 - v5;
+      p[row + 3] = v3 + v4;
+      p[row + 4] = v3 - v4;
+    }
+
+    for (var col = 0; col < 8; ++col) {
+      p0 = p[col];
+      p1 = p[col + 8];
+      p2 = p[col + 16];
+      p3 = p[col + 24];
+      p4 = p[col + 32];
+      p5 = p[col + 40];
+      p6 = p[col + 48];
+      p7 = p[col + 56];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 8192 >> 14;
+
+        if (t < -2040) {
+          t = 0;
+        } else if (t >= 2024) {
+          t = 255;
+        } else {
+          t = t + 2056 >> 4;
+        }
+
+        blockData[blockBufferOffset + col] = t;
+        blockData[blockBufferOffset + col + 8] = t;
+        blockData[blockBufferOffset + col + 16] = t;
+        blockData[blockBufferOffset + col + 24] = t;
+        blockData[blockBufferOffset + col + 32] = t;
+        blockData[blockBufferOffset + col + 40] = t;
+        blockData[blockBufferOffset + col + 48] = t;
+        blockData[blockBufferOffset + col + 56] = t;
+        continue;
+      }
+
+      v0 = dctSqrt2 * p0 + 2048 >> 12;
+      v1 = dctSqrt2 * p4 + 2048 >> 12;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
+      v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
+      v5 = p3;
+      v6 = p5;
+      v0 = (v0 + v1 + 1 >> 1) + 4112;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p0 = v0 + v7;
+      p7 = v0 - v7;
+      p1 = v1 + v6;
+      p6 = v1 - v6;
+      p2 = v2 + v5;
+      p5 = v2 - v5;
+      p3 = v3 + v4;
+      p4 = v3 - v4;
+
+      if (p0 < 16) {
+        p0 = 0;
+      } else if (p0 >= 4080) {
+        p0 = 255;
+      } else {
+        p0 >>= 4;
+      }
+
+      if (p1 < 16) {
+        p1 = 0;
+      } else if (p1 >= 4080) {
+        p1 = 255;
+      } else {
+        p1 >>= 4;
+      }
+
+      if (p2 < 16) {
+        p2 = 0;
+      } else if (p2 >= 4080) {
+        p2 = 255;
+      } else {
+        p2 >>= 4;
+      }
+
+      if (p3 < 16) {
+        p3 = 0;
+      } else if (p3 >= 4080) {
+        p3 = 255;
+      } else {
+        p3 >>= 4;
+      }
+
+      if (p4 < 16) {
+        p4 = 0;
+      } else if (p4 >= 4080) {
+        p4 = 255;
+      } else {
+        p4 >>= 4;
+      }
+
+      if (p5 < 16) {
+        p5 = 0;
+      } else if (p5 >= 4080) {
+        p5 = 255;
+      } else {
+        p5 >>= 4;
+      }
+
+      if (p6 < 16) {
+        p6 = 0;
+      } else if (p6 >= 4080) {
+        p6 = 255;
+      } else {
+        p6 >>= 4;
+      }
+
+      if (p7 < 16) {
+        p7 = 0;
+      } else if (p7 >= 4080) {
+        p7 = 255;
+      } else {
+        p7 >>= 4;
+      }
+
+      blockData[blockBufferOffset + col] = p0;
+      blockData[blockBufferOffset + col + 8] = p1;
+      blockData[blockBufferOffset + col + 16] = p2;
+      blockData[blockBufferOffset + col + 24] = p3;
+      blockData[blockBufferOffset + col + 32] = p4;
+      blockData[blockBufferOffset + col + 40] = p5;
+      blockData[blockBufferOffset + col + 48] = p6;
+      blockData[blockBufferOffset + col + 56] = p7;
+    }
+  }
+
+  function buildComponentData(frame, component) {
+    var blocksPerLine = component.blocksPerLine;
+    var blocksPerColumn = component.blocksPerColumn;
+    var computationBuffer = new Int16Array(64);
+
+    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
+      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
+        var offset = getBlockBufferOffset(component, blockRow, blockCol);
+        quantizeAndInverse(component, offset, computationBuffer);
+      }
+    }
+
+    return component.blockData;
+  }
+
+  function findNextFileMarker(data, currentPos) {
+    var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos;
+    var maxPos = data.length - 1;
+    var newPos = startPos < currentPos ? startPos : currentPos;
+
+    if (currentPos >= maxPos) {
+      return null;
+    }
+
+    var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
+
+    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
+      return {
+        invalid: null,
+        marker: currentMarker,
+        offset: currentPos
+      };
+    }
+
+    var newMarker = (0, _core_utils.readUint16)(data, newPos);
+
+    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
+      if (++newPos >= maxPos) {
+        return null;
+      }
+
+      newMarker = (0, _core_utils.readUint16)(data, newPos);
+    }
+
+    return {
+      invalid: currentMarker.toString(16),
+      marker: newMarker,
+      offset: newPos
+    };
+  }
+
+  JpegImage.prototype = {
+    parse: function parse(data) {
+      var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+          _ref2$dnlScanLines = _ref2.dnlScanLines,
+          dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines;
+
+      function readDataBlock() {
+        var length = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+        var endOffset = offset + length - 2;
+        var fileMarker = findNextFileMarker(data, endOffset, offset);
+
+        if (fileMarker && fileMarker.invalid) {
+          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
+          endOffset = fileMarker.offset;
+        }
+
+        var array = data.subarray(offset, endOffset);
+        offset += array.length;
+        return array;
+      }
+
+      function prepareComponents(frame) {
+        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
+        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
+
+        for (var i = 0; i < frame.components.length; i++) {
+          component = frame.components[i];
+          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
+          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
+          var blocksPerLineForMcu = mcusPerLine * component.h;
+          var blocksPerColumnForMcu = mcusPerColumn * component.v;
+          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
+          component.blockData = new Int16Array(blocksBufferSize);
+          component.blocksPerLine = blocksPerLine;
+          component.blocksPerColumn = blocksPerColumn;
+        }
+
+        frame.mcusPerLine = mcusPerLine;
+        frame.mcusPerColumn = mcusPerColumn;
+      }
+
+      var offset = 0;
+      var jfif = null;
+      var adobe = null;
+      var frame, resetInterval;
+      var numSOSMarkers = 0;
+      var quantizationTables = [];
+      var huffmanTablesAC = [],
+          huffmanTablesDC = [];
+      var fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      if (fileMarker !== 0xffd8) {
+        throw new JpegError("SOI not found");
+      }
+
+      fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      markerLoop: while (fileMarker !== 0xffd9) {
+        var i, j, l;
+
+        switch (fileMarker) {
+          case 0xffe0:
+          case 0xffe1:
+          case 0xffe2:
+          case 0xffe3:
+          case 0xffe4:
+          case 0xffe5:
+          case 0xffe6:
+          case 0xffe7:
+          case 0xffe8:
+          case 0xffe9:
+          case 0xffea:
+          case 0xffeb:
+          case 0xffec:
+          case 0xffed:
+          case 0xffee:
+          case 0xffef:
+          case 0xfffe:
+            var appData = readDataBlock();
+
+            if (fileMarker === 0xffe0) {
+              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
+                jfif = {
+                  version: {
+                    major: appData[5],
+                    minor: appData[6]
+                  },
+                  densityUnits: appData[7],
+                  xDensity: appData[8] << 8 | appData[9],
+                  yDensity: appData[10] << 8 | appData[11],
+                  thumbWidth: appData[12],
+                  thumbHeight: appData[13],
+                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                };
+              }
+            }
+
+            if (fileMarker === 0xffee) {
+              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
+                adobe = {
+                  version: appData[5] << 8 | appData[6],
+                  flags0: appData[7] << 8 | appData[8],
+                  flags1: appData[9] << 8 | appData[10],
+                  transformCode: appData[11]
+                };
+              }
+            }
+
+            break;
+
+          case 0xffdb:
+            var quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+            var z;
+
+            while (offset < quantizationTablesEnd) {
+              var quantizationTableSpec = data[offset++];
+              var tableData = new Uint16Array(64);
+
+              if (quantizationTableSpec >> 4 === 0) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = data[offset++];
+                }
+              } else if (quantizationTableSpec >> 4 === 1) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
+                  offset += 2;
+                }
+              } else {
+                throw new JpegError("DQT - invalid table spec");
+              }
+
+              quantizationTables[quantizationTableSpec & 15] = tableData;
+            }
+
+            break;
+
+          case 0xffc0:
+          case 0xffc1:
+          case 0xffc2:
+            if (frame) {
+              throw new JpegError("Only single frame JPEGs supported");
+            }
+
+            offset += 2;
+            frame = {};
+            frame.extended = fileMarker === 0xffc1;
+            frame.progressive = fileMarker === 0xffc2;
+            frame.precision = data[offset++];
+            var sofScanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.scanLines = dnlScanLines || sofScanLines;
+            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.components = [];
+            frame.componentIds = {};
+            var componentsCount = data[offset++],
+                componentId;
+            var maxH = 0,
+                maxV = 0;
+
+            for (i = 0; i < componentsCount; i++) {
+              componentId = data[offset];
+              var h = data[offset + 1] >> 4;
+              var v = data[offset + 1] & 15;
+
+              if (maxH < h) {
+                maxH = h;
+              }
+
+              if (maxV < v) {
+                maxV = v;
+              }
+
+              var qId = data[offset + 2];
+              l = frame.components.push({
+                h: h,
+                v: v,
+                quantizationId: qId,
+                quantizationTable: null
+              });
+              frame.componentIds[componentId] = l - 1;
+              offset += 3;
+            }
+
+            frame.maxH = maxH;
+            frame.maxV = maxV;
+            prepareComponents(frame);
+            break;
+
+          case 0xffc4:
+            var huffmanLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            for (i = 2; i < huffmanLength;) {
+              var huffmanTableSpec = data[offset++];
+              var codeLengths = new Uint8Array(16);
+              var codeLengthSum = 0;
+
+              for (j = 0; j < 16; j++, offset++) {
+                codeLengthSum += codeLengths[j] = data[offset];
+              }
+
+              var huffmanValues = new Uint8Array(codeLengthSum);
+
+              for (j = 0; j < codeLengthSum; j++, offset++) {
+                huffmanValues[j] = data[offset];
+              }
+
+              i += 17 + codeLengthSum;
+              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
+            }
+
+            break;
+
+          case 0xffdd:
+            offset += 2;
+            resetInterval = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            break;
+
+          case 0xffda:
+            var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
+            offset += 2;
+            var selectorsCount = data[offset++];
+            var components = [],
+                component;
+
+            for (i = 0; i < selectorsCount; i++) {
+              var index = data[offset++];
+              var componentIndex = frame.componentIds[index];
+              component = frame.components[componentIndex];
+              component.index = index;
+              var tableSpec = data[offset++];
+              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+              components.push(component);
+            }
+
+            var spectralStart = data[offset++];
+            var spectralEnd = data[offset++];
+            var successiveApproximation = data[offset++];
+
+            try {
+              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
+              offset += processed;
+            } catch (ex) {
+              if (ex instanceof DNLMarkerError) {
+                (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image."));
+                return this.parse(data, {
+                  dnlScanLines: ex.scanLines
+                });
+              } else if (ex instanceof EOIMarkerError) {
+                (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data."));
+                break markerLoop;
+              }
+
+              throw ex;
+            }
+
+            break;
+
+          case 0xffdc:
+            offset += 4;
+            break;
+
+          case 0xffff:
+            if (data[offset] !== 0xff) {
+              offset--;
+            }
+
+            break;
+
+          default:
+            var nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
+
+            if (nextFileMarker && nextFileMarker.invalid) {
+              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
+              offset = nextFileMarker.offset;
+              break;
+            }
+
+            if (offset >= data.length - 1) {
+              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
+              break markerLoop;
+            }
+
+            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
+        }
+
+        fileMarker = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+      }
+
+      this.width = frame.samplesPerLine;
+      this.height = frame.scanLines;
+      this.jfif = jfif;
+      this.adobe = adobe;
+      this.components = [];
+
+      for (i = 0; i < frame.components.length; i++) {
+        component = frame.components[i];
+        var quantizationTable = quantizationTables[component.quantizationId];
+
+        if (quantizationTable) {
+          component.quantizationTable = quantizationTable;
+        }
+
+        this.components.push({
+          index: component.index,
+          output: buildComponentData(frame, component),
+          scaleX: component.h / frame.maxH,
+          scaleY: component.v / frame.maxV,
+          blocksPerLine: component.blocksPerLine,
+          blocksPerColumn: component.blocksPerColumn
+        });
+      }
+
+      this.numComponents = this.components.length;
+      return undefined;
+    },
+    _getLinearizedBlockData: function _getLinearizedBlockData(width, height) {
+      var isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var scaleX = this.width / width,
+          scaleY = this.height / height;
+      var component, componentScaleX, componentScaleY, blocksPerScanline;
+      var x, y, i, j, k;
+      var index;
+      var offset = 0;
+      var output;
+      var numComponents = this.components.length;
+      var dataLength = width * height * numComponents;
+      var data = new Uint8ClampedArray(dataLength);
+      var xScaleBlockOffset = new Uint32Array(width);
+      var mask3LSB = 0xfffffff8;
+      var lastComponentScaleX;
+
+      for (i = 0; i < numComponents; i++) {
+        component = this.components[i];
+        componentScaleX = component.scaleX * scaleX;
+        componentScaleY = component.scaleY * scaleY;
+        offset = i;
+        output = component.output;
+        blocksPerScanline = component.blocksPerLine + 1 << 3;
+
+        if (componentScaleX !== lastComponentScaleX) {
+          for (x = 0; x < width; x++) {
+            j = 0 | x * componentScaleX;
+            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
+          }
+
+          lastComponentScaleX = componentScaleX;
+        }
+
+        for (y = 0; y < height; y++) {
+          j = 0 | y * componentScaleY;
+          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
+
+          for (x = 0; x < width; x++) {
+            data[offset] = output[index + xScaleBlockOffset[x]];
+            offset += numComponents;
+          }
+        }
+      }
+
+      var transform = this._decodeTransform;
+
+      if (!isSourcePDF && numComponents === 4 && !transform) {
+        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
+      }
+
+      if (transform) {
+        for (i = 0; i < dataLength;) {
+          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
+            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
+          }
+        }
+      }
+
+      return data;
+    },
+
+    get _isColorConversionNeeded() {
+      if (this.adobe) {
+        return !!this.adobe.transformCode;
+      }
+
+      if (this.numComponents === 3) {
+        if (this._colorTransform === 0) {
+          return false;
+        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
+          return false;
+        }
+
+        return true;
+      }
+
+      if (this._colorTransform === 1) {
+        return true;
+      }
+
+      return false;
+    },
+
+    _convertYccToRgb: function convertYccToRgb(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 3) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = Y - 179.456 + 1.402 * Cr;
+        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
+        data[i + 2] = Y - 226.816 + 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertYcckToRgb: function convertYcckToRgb(data) {
+      var Y, Cb, Cr, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
+        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
+        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
+      }
+
+      return data.subarray(0, offset);
+    },
+    _convertYcckToCmyk: function convertYcckToCmyk(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = 434.456 - Y - 1.402 * Cr;
+        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
+        data[i + 2] = 481.816 - Y - 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertCmykToRgb: function convertCmykToRgb(data) {
+      var c, m, y, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        c = data[i];
+        m = data[i + 1];
+        y = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
+        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
+        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
+      }
+
+      return data.subarray(0, offset);
+    },
+    getData: function getData(_ref3) {
+      var width = _ref3.width,
+          height = _ref3.height,
+          _ref3$forceRGB = _ref3.forceRGB,
+          forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB,
+          _ref3$isSourcePDF = _ref3.isSourcePDF,
+          isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF;
+
+      if (this.numComponents > 4) {
+        throw new JpegError("Unsupported color mode");
+      }
+
+      var data = this._getLinearizedBlockData(width, height, isSourcePDF);
+
+      if (this.numComponents === 1 && forceRGB) {
+        var dataLength = data.length;
+        var rgbData = new Uint8ClampedArray(dataLength * 3);
+        var offset = 0;
+
+        for (var i = 0; i < dataLength; i++) {
+          var grayColor = data[i];
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+        }
+
+        return rgbData;
+      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
+        return this._convertYccToRgb(data);
+      } else if (this.numComponents === 4) {
+        if (this._isColorConversionNeeded) {
+          if (forceRGB) {
+            return this._convertYcckToRgb(data);
+          }
+
+          return this._convertYcckToCmyk(data);
+        } else if (forceRGB) {
+          return this._convertCmykToRgb(data);
+        }
+      }
+
+      return data;
+    }
+  };
+  return JpegImage;
+}();
+
+exports.JpegImage = JpegImage;
+
+/***/ }),
+/* 183 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxImage = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(179);
+
+var _arithmetic_decoder = __w_pdfjs_require__(180);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var JpxError = /*#__PURE__*/function (_BaseException) {
+  _inherits(JpxError, _BaseException);
+
+  var _super = _createSuper(JpxError);
+
+  function JpxError(msg) {
+    _classCallCheck(this, JpxError);
+
+    return _super.call(this, "JPX error: ".concat(msg));
+  }
+
+  return JpxError;
+}(_util.BaseException);
+
+var JpxImage = function JpxImageClosure() {
+  var SubbandsGainLog2 = {
+    LL: 0,
+    LH: 1,
+    HL: 1,
+    HH: 2
+  };
+
+  function JpxImage() {
+    this.failOnCorruptedImage = false;
+  }
+
+  JpxImage.prototype = {
+    parse: function JpxImage_parse(data) {
+      var head = (0, _core_utils.readUint16)(data, 0);
+
+      if (head === 0xff4f) {
+        this.parseCodestream(data, 0, data.length);
+        return;
+      }
+
+      var position = 0,
+          length = data.length;
+
+      while (position < length) {
+        var headerSize = 8;
+        var lbox = (0, _core_utils.readUint32)(data, position);
+        var tbox = (0, _core_utils.readUint32)(data, position + 4);
+        position += headerSize;
+
+        if (lbox === 1) {
+          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
+          position += 8;
+          headerSize += 8;
+        }
+
+        if (lbox === 0) {
+          lbox = length - position + headerSize;
+        }
+
+        if (lbox < headerSize) {
+          throw new JpxError("Invalid box field size");
+        }
+
+        var dataLength = lbox - headerSize;
+        var jumpDataLength = true;
+
+        switch (tbox) {
+          case 0x6a703268:
+            jumpDataLength = false;
+            break;
+
+          case 0x636f6c72:
+            var method = data[position];
+
+            if (method === 1) {
+              var colorspace = (0, _core_utils.readUint32)(data, position + 3);
+
+              switch (colorspace) {
+                case 16:
+                case 17:
+                case 18:
+                  break;
+
+                default:
+                  (0, _util.warn)("Unknown colorspace " + colorspace);
+                  break;
+              }
+            } else if (method === 2) {
+              (0, _util.info)("ICC profile not supported");
+            }
+
+            break;
+
+          case 0x6a703263:
+            this.parseCodestream(data, position, position + dataLength);
+            break;
+
+          case 0x6a502020:
+            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
+              (0, _util.warn)("Invalid JP2 signature");
+            }
+
+            break;
+
+          case 0x6a501a1a:
+          case 0x66747970:
+          case 0x72726571:
+          case 0x72657320:
+          case 0x69686472:
+            break;
+
+          default:
+            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
+            (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
+            break;
+        }
+
+        if (jumpDataLength) {
+          position += dataLength;
+        }
+      }
+    },
+    parseImageProperties: function JpxImage_parseImageProperties(stream) {
+      var newByte = stream.getByte();
+
+      while (newByte >= 0) {
+        var oldByte = newByte;
+        newByte = stream.getByte();
+        var code = oldByte << 8 | newByte;
+
+        if (code === 0xff51) {
+          stream.skip(4);
+          var Xsiz = stream.getInt32() >>> 0;
+          var Ysiz = stream.getInt32() >>> 0;
+          var XOsiz = stream.getInt32() >>> 0;
+          var YOsiz = stream.getInt32() >>> 0;
+          stream.skip(16);
+          var Csiz = stream.getUint16();
+          this.width = Xsiz - XOsiz;
+          this.height = Ysiz - YOsiz;
+          this.componentsCount = Csiz;
+          this.bitsPerComponent = 8;
+          return;
+        }
+      }
+
+      throw new JpxError("No size marker found in JPX stream");
+    },
+    parseCodestream: function JpxImage_parseCodestream(data, start, end) {
+      var context = {};
+      var doNotRecover = false;
+
+      try {
+        var position = start;
+
+        while (position + 1 < end) {
+          var code = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          var length = 0,
+              j,
+              sqcd,
+              spqcds,
+              spqcdSize,
+              scalarExpounded,
+              tile;
+
+          switch (code) {
+            case 0xff4f:
+              context.mainHeader = true;
+              break;
+
+            case 0xffd9:
+              break;
+
+            case 0xff51:
+              length = (0, _core_utils.readUint16)(data, position);
+              var siz = {};
+              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
+              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
+              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
+              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
+              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
+              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
+              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
+              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
+              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
+              siz.Csiz = componentsCount;
+              var components = [];
+              j = position + 38;
+
+              for (var i = 0; i < componentsCount; i++) {
+                var component = {
+                  precision: (data[j] & 0x7f) + 1,
+                  isSigned: !!(data[j] & 0x80),
+                  XRsiz: data[j + 1],
+                  YRsiz: data[j + 2]
+                };
+                j += 3;
+                calculateComponentDimensions(component, siz);
+                components.push(component);
+              }
+
+              context.SIZ = siz;
+              context.components = components;
+              calculateTileGrids(context, components);
+              context.QCC = [];
+              context.COC = [];
+              break;
+
+            case 0xff5c:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcd = {};
+              j = position + 2;
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcd.noQuantization = spqcdSize === 8;
+              qcd.scalarExpounded = scalarExpounded;
+              qcd.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                var spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcd.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCD = qcd;
+              } else {
+                context.currentTile.QCD = qcd;
+                context.currentTile.QCC = [];
+              }
+
+              break;
+
+            case 0xff5d:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcc = {};
+              j = position + 2;
+              var cqcc;
+
+              if (context.SIZ.Csiz < 257) {
+                cqcc = data[j++];
+              } else {
+                cqcc = (0, _core_utils.readUint16)(data, j);
+                j += 2;
+              }
+
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcc.noQuantization = spqcdSize === 8;
+              qcc.scalarExpounded = scalarExpounded;
+              qcc.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcc.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCC[cqcc] = qcc;
+              } else {
+                context.currentTile.QCC[cqcc] = qcc;
+              }
+
+              break;
+
+            case 0xff52:
+              length = (0, _core_utils.readUint16)(data, position);
+              var cod = {};
+              j = position + 2;
+              var scod = data[j++];
+              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+              cod.sopMarkerUsed = !!(scod & 2);
+              cod.ephMarkerUsed = !!(scod & 4);
+              cod.progressionOrder = data[j++];
+              cod.layersCount = (0, _core_utils.readUint16)(data, j);
+              j += 2;
+              cod.multipleComponentTransform = data[j++];
+              cod.decompositionLevelsCount = data[j++];
+              cod.xcb = (data[j++] & 0xf) + 2;
+              cod.ycb = (data[j++] & 0xf) + 2;
+              var blockStyle = data[j++];
+              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+              cod.resetContextProbabilities = !!(blockStyle & 2);
+              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+              cod.verticallyStripe = !!(blockStyle & 8);
+              cod.predictableTermination = !!(blockStyle & 16);
+              cod.segmentationSymbolUsed = !!(blockStyle & 32);
+              cod.reversibleTransformation = data[j++];
+
+              if (cod.entropyCoderWithCustomPrecincts) {
+                var precinctsSizes = [];
+
+                while (j < length + position) {
+                  var precinctsSize = data[j++];
+                  precinctsSizes.push({
+                    PPx: precinctsSize & 0xf,
+                    PPy: precinctsSize >> 4
+                  });
+                }
+
+                cod.precinctsSizes = precinctsSizes;
+              }
+
+              var unsupported = [];
+
+              if (cod.selectiveArithmeticCodingBypass) {
+                unsupported.push("selectiveArithmeticCodingBypass");
+              }
+
+              if (cod.resetContextProbabilities) {
+                unsupported.push("resetContextProbabilities");
+              }
+
+              if (cod.terminationOnEachCodingPass) {
+                unsupported.push("terminationOnEachCodingPass");
+              }
+
+              if (cod.verticallyStripe) {
+                unsupported.push("verticallyStripe");
+              }
+
+              if (cod.predictableTermination) {
+                unsupported.push("predictableTermination");
+              }
+
+              if (unsupported.length > 0) {
+                doNotRecover = true;
+                throw new Error("Unsupported COD options (" + unsupported.join(", ") + ")");
+              }
+
+              if (context.mainHeader) {
+                context.COD = cod;
+              } else {
+                context.currentTile.COD = cod;
+                context.currentTile.COC = [];
+              }
+
+              break;
+
+            case 0xff90:
+              length = (0, _core_utils.readUint16)(data, position);
+              tile = {};
+              tile.index = (0, _core_utils.readUint16)(data, position + 2);
+              tile.length = (0, _core_utils.readUint32)(data, position + 4);
+              tile.dataEnd = tile.length + position - 2;
+              tile.partIndex = data[position + 8];
+              tile.partsCount = data[position + 9];
+              context.mainHeader = false;
+
+              if (tile.partIndex === 0) {
+                tile.COD = context.COD;
+                tile.COC = context.COC.slice(0);
+                tile.QCD = context.QCD;
+                tile.QCC = context.QCC.slice(0);
+              }
+
+              context.currentTile = tile;
+              break;
+
+            case 0xff93:
+              tile = context.currentTile;
+
+              if (tile.partIndex === 0) {
+                initializeTile(context, tile.index);
+                buildPackets(context);
+              }
+
+              length = tile.dataEnd - position;
+              parseTilePackets(context, data, position, length);
+              break;
+
+            case 0xff55:
+            case 0xff57:
+            case 0xff58:
+            case 0xff64:
+              length = (0, _core_utils.readUint16)(data, position);
+              break;
+
+            case 0xff53:
+              throw new Error("Codestream code 0xFF53 (COC) is not implemented");
+
+            default:
+              throw new Error("Unknown codestream code: " + code.toString(16));
+          }
+
+          position += length;
+        }
+      } catch (e) {
+        if (doNotRecover || this.failOnCorruptedImage) {
+          throw new JpxError(e.message);
+        } else {
+          (0, _util.warn)("JPX: Trying to recover from: " + e.message);
+        }
+      }
+
+      this.tiles = transformComponents(context);
+      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
+      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
+      this.componentsCount = context.SIZ.Csiz;
+    }
+  };
+
+  function calculateComponentDimensions(component, siz) {
+    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
+    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
+    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
+    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
+    component.width = component.x1 - component.x0;
+    component.height = component.y1 - component.y0;
+  }
+
+  function calculateTileGrids(context, components) {
+    var siz = context.SIZ;
+    var tile,
+        tiles = [];
+    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
+    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
+
+    for (var q = 0; q < numYtiles; q++) {
+      for (var p = 0; p < numXtiles; p++) {
+        tile = {};
+        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
+        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
+        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
+        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
+        tile.width = tile.tx1 - tile.tx0;
+        tile.height = tile.ty1 - tile.ty0;
+        tile.components = [];
+        tiles.push(tile);
+      }
+    }
+
+    context.tiles = tiles;
+    var componentsCount = siz.Csiz;
+
+    for (var i = 0, ii = componentsCount; i < ii; i++) {
+      var component = components[i];
+
+      for (var j = 0, jj = tiles.length; j < jj; j++) {
+        var tileComponent = {};
+        tile = tiles[j];
+        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
+        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
+        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
+        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
+        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
+        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
+        tile.components[i] = tileComponent;
+      }
+    }
+  }
+
+  function getBlocksDimensions(context, component, r) {
+    var codOrCoc = component.codingStyleParameters;
+    var result = {};
+
+    if (!codOrCoc.entropyCoderWithCustomPrecincts) {
+      result.PPx = 15;
+      result.PPy = 15;
+    } else {
+      result.PPx = codOrCoc.precinctsSizes[r].PPx;
+      result.PPy = codOrCoc.precinctsSizes[r].PPy;
+    }
+
+    result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
+    result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
+    return result;
+  }
+
+  function buildPrecincts(context, resolution, dimensions) {
+    var precinctWidth = 1 << dimensions.PPx;
+    var precinctHeight = 1 << dimensions.PPy;
+    var isZeroRes = resolution.resLevel === 0;
+    var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
+    var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
+    var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
+    var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
+    var numprecincts = numprecinctswide * numprecinctshigh;
+    resolution.precinctParameters = {
+      precinctWidth: precinctWidth,
+      precinctHeight: precinctHeight,
+      numprecinctswide: numprecinctswide,
+      numprecinctshigh: numprecinctshigh,
+      numprecincts: numprecincts,
+      precinctWidthInSubband: precinctWidthInSubband,
+      precinctHeightInSubband: precinctHeightInSubband
+    };
+  }
+
+  function buildCodeblocks(context, subband, dimensions) {
+    var xcb_ = dimensions.xcb_;
+    var ycb_ = dimensions.ycb_;
+    var codeblockWidth = 1 << xcb_;
+    var codeblockHeight = 1 << ycb_;
+    var cbx0 = subband.tbx0 >> xcb_;
+    var cby0 = subband.tby0 >> ycb_;
+    var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
+    var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
+    var precinctParameters = subband.resolution.precinctParameters;
+    var codeblocks = [];
+    var precincts = [];
+    var i, j, codeblock, precinctNumber;
+
+    for (j = cby0; j < cby1; j++) {
+      for (i = cbx0; i < cbx1; i++) {
+        codeblock = {
+          cbx: i,
+          cby: j,
+          tbx0: codeblockWidth * i,
+          tby0: codeblockHeight * j,
+          tbx1: codeblockWidth * (i + 1),
+          tby1: codeblockHeight * (j + 1)
+        };
+        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
+        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
+        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
+        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
+        var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
+        var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
+        precinctNumber = pi + pj * precinctParameters.numprecinctswide;
+        codeblock.precinctNumber = precinctNumber;
+        codeblock.subbandType = subband.type;
+        codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
+
+        codeblocks.push(codeblock);
+        var precinct = precincts[precinctNumber];
+
+        if (precinct !== undefined) {
+          if (i < precinct.cbxMin) {
+            precinct.cbxMin = i;
+          } else if (i > precinct.cbxMax) {
+            precinct.cbxMax = i;
+          }
+
+          if (j < precinct.cbyMin) {
+            precinct.cbxMin = j;
+          } else if (j > precinct.cbyMax) {
+            precinct.cbyMax = j;
+          }
+        } else {
+          precincts[precinctNumber] = precinct = {
+            cbxMin: i,
+            cbyMin: j,
+            cbxMax: i,
+            cbyMax: j
+          };
+        }
+
+        codeblock.precinct = precinct;
+      }
+    }
+
+    subband.codeblockParameters = {
+      codeblockWidth: xcb_,
+      codeblockHeight: ycb_,
+      numcodeblockwide: cbx1 - cbx0 + 1,
+      numcodeblockhigh: cby1 - cby0 + 1
+    };
+    subband.codeblocks = codeblocks;
+    subband.precincts = precincts;
+  }
+
+  function createPacket(resolution, precinctNumber, layerNumber) {
+    var precinctCodeblocks = [];
+    var subbands = resolution.subbands;
+
+    for (var i = 0, ii = subbands.length; i < ii; i++) {
+      var subband = subbands[i];
+      var codeblocks = subband.codeblocks;
+
+      for (var j = 0, jj = codeblocks.length; j < jj; j++) {
+        var codeblock = codeblocks[j];
+
+        if (codeblock.precinctNumber !== precinctNumber) {
+          continue;
+        }
+
+        precinctCodeblocks.push(codeblock);
+      }
+    }
+
+    return {
+      layerNumber: layerNumber,
+      codeblocks: precinctCodeblocks
+    };
+  }
+
+  function LayerResolutionComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var l = 0,
+        r = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; l < layersCount; l++) {
+        for (; r <= maxDecompositionLevelsCount; r++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        r = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionLayerComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var r = 0,
+        l = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; l < layersCount; l++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        l = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionPositionComponentLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var l, r, c, p;
+    var maxDecompositionLevelsCount = 0;
+
+    for (c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
+
+    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
+      var maxNumPrecincts = 0;
+
+      for (c = 0; c < componentsCount; ++c) {
+        var resolutions = tile.components[c].resolutions;
+
+        if (r < resolutions.length) {
+          maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
+        }
+      }
+
+      maxNumPrecinctsInLevel[r] = maxNumPrecincts;
+    }
+
+    l = 0;
+    r = 0;
+    c = 0;
+    p = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; p < maxNumPrecinctsInLevel[r]; p++) {
+          for (; c < componentsCount; c++) {
+            var _component = tile.components[c];
+
+            if (r > _component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = _component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            if (p >= numprecincts) {
+              continue;
+            }
+
+            for (; l < layersCount;) {
+              var packet = createPacket(resolution, p, l);
+              l++;
+              return packet;
+            }
+
+            l = 0;
+          }
+
+          c = 0;
+        }
+
+        p = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function PositionComponentResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var precinctsIterationSizes = precinctsSizes;
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+          for (; c < componentsCount; c++) {
+            var component = tile.components[c];
+            var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          c = 0;
+        }
+
+        px = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ComponentPositionResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; c < componentsCount; ++c) {
+        var component = tile.components[c];
+        var precinctsIterationSizes = precinctsSizes.components[c];
+        var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+        for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+          for (; px < precinctsIterationSizes.maxNumWide; px++) {
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsIterationSizes.resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          px = 0;
+        }
+
+        py = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
+    var posX = pxIndex * precinctIterationSizes.minWidth;
+    var posY = pyIndex * precinctIterationSizes.minHeight;
+
+    if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
+      return null;
+    }
+
+    var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
+    return posX / sizeInImageScale.height + startPrecinctRowIndex;
+  }
+
+  function getPrecinctSizesInImageScale(tile) {
+    var componentsCount = tile.components.length;
+    var minWidth = Number.MAX_VALUE;
+    var minHeight = Number.MAX_VALUE;
+    var maxNumWide = 0;
+    var maxNumHigh = 0;
+    var sizePerComponent = new Array(componentsCount);
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var sizePerResolution = new Array(decompositionLevelsCount + 1);
+      var minWidthCurrentComponent = Number.MAX_VALUE;
+      var minHeightCurrentComponent = Number.MAX_VALUE;
+      var maxNumWideCurrentComponent = 0;
+      var maxNumHighCurrentComponent = 0;
+      var scale = 1;
+
+      for (var r = decompositionLevelsCount; r >= 0; --r) {
+        var resolution = component.resolutions[r];
+        var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
+        var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
+        minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
+        minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
+        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
+        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
+        sizePerResolution[r] = {
+          width: widthCurrentResolution,
+          height: heightCurrentResolution
+        };
+        scale <<= 1;
+      }
+
+      minWidth = Math.min(minWidth, minWidthCurrentComponent);
+      minHeight = Math.min(minHeight, minHeightCurrentComponent);
+      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
+      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
+      sizePerComponent[c] = {
+        resolutions: sizePerResolution,
+        minWidth: minWidthCurrentComponent,
+        minHeight: minHeightCurrentComponent,
+        maxNumWide: maxNumWideCurrentComponent,
+        maxNumHigh: maxNumHighCurrentComponent
+      };
+    }
+
+    return {
+      components: sizePerComponent,
+      minWidth: minWidth,
+      minHeight: minHeight,
+      maxNumWide: maxNumWide,
+      maxNumHigh: maxNumHigh
+    };
+  }
+
+  function buildPackets(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var componentsCount = siz.Csiz;
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var resolutions = [];
+      var subbands = [];
+
+      for (var r = 0; r <= decompositionLevelsCount; r++) {
+        var blocksDimensions = getBlocksDimensions(context, component, r);
+        var resolution = {};
+        var scale = 1 << decompositionLevelsCount - r;
+        resolution.trx0 = Math.ceil(component.tcx0 / scale);
+        resolution.try0 = Math.ceil(component.tcy0 / scale);
+        resolution.trx1 = Math.ceil(component.tcx1 / scale);
+        resolution.try1 = Math.ceil(component.tcy1 / scale);
+        resolution.resLevel = r;
+        buildPrecincts(context, resolution, blocksDimensions);
+        resolutions.push(resolution);
+        var subband;
+
+        if (r === 0) {
+          subband = {};
+          subband.type = "LL";
+          subband.tbx0 = Math.ceil(component.tcx0 / scale);
+          subband.tby0 = Math.ceil(component.tcy0 / scale);
+          subband.tbx1 = Math.ceil(component.tcx1 / scale);
+          subband.tby1 = Math.ceil(component.tcy1 / scale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolution.subbands = [subband];
+        } else {
+          var bscale = 1 << decompositionLevelsCount - r + 1;
+          var resolutionSubbands = [];
+          subband = {};
+          subband.type = "HL";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "LH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "HH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          resolution.subbands = resolutionSubbands;
+        }
+      }
+
+      component.resolutions = resolutions;
+      component.subbands = subbands;
+    }
+
+    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
+
+    switch (progressionOrder) {
+      case 0:
+        tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+        break;
+
+      case 1:
+        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+        break;
+
+      case 2:
+        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+        break;
+
+      case 3:
+        tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+        break;
+
+      case 4:
+        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+        break;
+
+      default:
+        throw new JpxError("Unsupported progression order ".concat(progressionOrder));
+    }
+  }
+
+  function parseTilePackets(context, data, offset, dataLength) {
+    var position = 0;
+    var buffer,
+        bufferSize = 0,
+        skipNextBit = false;
+
+    function readBits(count) {
+      while (bufferSize < count) {
+        var b = data[offset + position];
+        position++;
+
+        if (skipNextBit) {
+          buffer = buffer << 7 | b;
+          bufferSize += 7;
+          skipNextBit = false;
+        } else {
+          buffer = buffer << 8 | b;
+          bufferSize += 8;
+        }
+
+        if (b === 0xff) {
+          skipNextBit = true;
+        }
+      }
+
+      bufferSize -= count;
+      return buffer >>> bufferSize & (1 << count) - 1;
+    }
+
+    function skipMarkerIfEqual(value) {
+      if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
+        skipBytes(1);
+        return true;
+      } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
+        skipBytes(2);
+        return true;
+      }
+
+      return false;
+    }
+
+    function skipBytes(count) {
+      position += count;
+    }
+
+    function alignToByte() {
+      bufferSize = 0;
+
+      if (skipNextBit) {
+        position++;
+        skipNextBit = false;
+      }
+    }
+
+    function readCodingpasses() {
+      if (readBits(1) === 0) {
+        return 1;
+      }
+
+      if (readBits(1) === 0) {
+        return 2;
+      }
+
+      var value = readBits(2);
+
+      if (value < 3) {
+        return value + 3;
+      }
+
+      value = readBits(5);
+
+      if (value < 31) {
+        return value + 6;
+      }
+
+      value = readBits(7);
+      return value + 37;
+    }
+
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var sopMarkerUsed = context.COD.sopMarkerUsed;
+    var ephMarkerUsed = context.COD.ephMarkerUsed;
+    var packetsIterator = tile.packetsIterator;
+
+    while (position < dataLength) {
+      alignToByte();
+
+      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
+        skipBytes(4);
+      }
+
+      var packet = packetsIterator.nextPacket();
+
+      if (!readBits(1)) {
+        continue;
+      }
+
+      var layerNumber = packet.layerNumber;
+      var queue = [],
+          codeblock;
+
+      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
+        codeblock = packet.codeblocks[i];
+        var precinct = codeblock.precinct;
+        var codeblockColumn = codeblock.cbx - precinct.cbxMin;
+        var codeblockRow = codeblock.cby - precinct.cbyMin;
+        var codeblockIncluded = false;
+        var firstTimeInclusion = false;
+        var valueReady;
+
+        if (codeblock.included !== undefined) {
+          codeblockIncluded = !!readBits(1);
+        } else {
+          precinct = codeblock.precinct;
+          var inclusionTree, zeroBitPlanesTree;
+
+          if (precinct.inclusionTree !== undefined) {
+            inclusionTree = precinct.inclusionTree;
+          } else {
+            var width = precinct.cbxMax - precinct.cbxMin + 1;
+            var height = precinct.cbyMax - precinct.cbyMin + 1;
+            inclusionTree = new InclusionTree(width, height, layerNumber);
+            zeroBitPlanesTree = new TagTree(width, height);
+            precinct.inclusionTree = inclusionTree;
+            precinct.zeroBitPlanesTree = zeroBitPlanesTree;
+          }
+
+          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
+            while (true) {
+              if (readBits(1)) {
+                valueReady = !inclusionTree.nextLevel();
+
+                if (valueReady) {
+                  codeblock.included = true;
+                  codeblockIncluded = firstTimeInclusion = true;
+                  break;
+                }
+              } else {
+                inclusionTree.incrementValue(layerNumber);
+                break;
+              }
+            }
+          }
+        }
+
+        if (!codeblockIncluded) {
+          continue;
+        }
+
+        if (firstTimeInclusion) {
+          zeroBitPlanesTree = precinct.zeroBitPlanesTree;
+          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
+
+          while (true) {
+            if (readBits(1)) {
+              valueReady = !zeroBitPlanesTree.nextLevel();
+
+              if (valueReady) {
+                break;
+              }
+            } else {
+              zeroBitPlanesTree.incrementValue();
+            }
+          }
+
+          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
+        }
+
+        var codingpasses = readCodingpasses();
+
+        while (readBits(1)) {
+          codeblock.Lblock++;
+        }
+
+        var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
+        var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
+        var codedDataLength = readBits(bits);
+        queue.push({
+          codeblock: codeblock,
+          codingpasses: codingpasses,
+          dataLength: codedDataLength
+        });
+      }
+
+      alignToByte();
+
+      if (ephMarkerUsed) {
+        skipMarkerIfEqual(0x92);
+      }
+
+      while (queue.length > 0) {
+        var packetItem = queue.shift();
+        codeblock = packetItem.codeblock;
+
+        if (codeblock.data === undefined) {
+          codeblock.data = [];
+        }
+
+        codeblock.data.push({
+          data: data,
+          start: offset + position,
+          end: offset + position + packetItem.dataLength,
+          codingpasses: packetItem.codingpasses
+        });
+        position += packetItem.dataLength;
+      }
+    }
+
+    return position;
+  }
+
+  function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
+    var x0 = subband.tbx0;
+    var y0 = subband.tby0;
+    var width = subband.tbx1 - subband.tbx0;
+    var codeblocks = subband.codeblocks;
+    var right = subband.type.charAt(0) === "H" ? 1 : 0;
+    var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
+
+    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
+      var codeblock = codeblocks[i];
+      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
+      var blockHeight = codeblock.tby1_ - codeblock.tby0_;
+
+      if (blockWidth === 0 || blockHeight === 0) {
+        continue;
+      }
+
+      if (codeblock.data === undefined) {
+        continue;
+      }
+
+      var bitModel, currentCodingpassType;
+      bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
+      currentCodingpassType = 2;
+      var data = codeblock.data,
+          totalLength = 0,
+          codingpasses = 0;
+      var j, jj, dataItem;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        totalLength += dataItem.end - dataItem.start;
+        codingpasses += dataItem.codingpasses;
+      }
+
+      var encodedData = new Uint8Array(totalLength);
+      var position = 0;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
+        encodedData.set(chunk, position);
+        position += chunk.length;
+      }
+
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
+      bitModel.setDecoder(decoder);
+
+      for (j = 0; j < codingpasses; j++) {
+        switch (currentCodingpassType) {
+          case 0:
+            bitModel.runSignificancePropagationPass();
+            break;
+
+          case 1:
+            bitModel.runMagnitudeRefinementPass();
+            break;
+
+          case 2:
+            bitModel.runCleanupPass();
+
+            if (segmentationSymbolUsed) {
+              bitModel.checkSegmentationSymbol();
+            }
+
+            break;
+        }
+
+        currentCodingpassType = (currentCodingpassType + 1) % 3;
+      }
+
+      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
+      var sign = bitModel.coefficentsSign;
+      var magnitude = bitModel.coefficentsMagnitude;
+      var bitsDecoded = bitModel.bitsDecoded;
+      var magnitudeCorrection = reversible ? 0 : 0.5;
+      var k, n, nb;
+      position = 0;
+      var interleave = subband.type !== "LL";
+
+      for (j = 0; j < blockHeight; j++) {
+        var row = offset / width | 0;
+        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
+
+        for (k = 0; k < blockWidth; k++) {
+          n = magnitude[position];
+
+          if (n !== 0) {
+            n = (n + magnitudeCorrection) * delta;
+
+            if (sign[position] !== 0) {
+              n = -n;
+            }
+
+            nb = bitsDecoded[position];
+            var pos = interleave ? levelOffset + (offset << 1) : offset;
+
+            if (reversible && nb >= mb) {
+              coefficients[pos] = n;
+            } else {
+              coefficients[pos] = n * (1 << mb - nb);
+            }
+          }
+
+          offset++;
+          position++;
+        }
+
+        offset += width - blockWidth;
+      }
+    }
+  }
+
+  function transformTile(context, tile, c) {
+    var component = tile.components[c];
+    var codingStyleParameters = component.codingStyleParameters;
+    var quantizationParameters = component.quantizationParameters;
+    var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
+    var spqcds = quantizationParameters.SPqcds;
+    var scalarExpounded = quantizationParameters.scalarExpounded;
+    var guardBits = quantizationParameters.guardBits;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
+    var precision = context.components[c].precision;
+    var reversible = codingStyleParameters.reversibleTransformation;
+    var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
+    var subbandCoefficients = [];
+    var b = 0;
+
+    for (var i = 0; i <= decompositionLevelsCount; i++) {
+      var resolution = component.resolutions[i];
+      var width = resolution.trx1 - resolution.trx0;
+      var height = resolution.try1 - resolution.try0;
+      var coefficients = new Float32Array(width * height);
+
+      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
+        var mu, epsilon;
+
+        if (!scalarExpounded) {
+          mu = spqcds[0].mu;
+          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
+        } else {
+          mu = spqcds[b].mu;
+          epsilon = spqcds[b].epsilon;
+          b++;
+        }
+
+        var subband = resolution.subbands[j];
+        var gainLog2 = SubbandsGainLog2[subband.type];
+        var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
+        var mb = guardBits + epsilon - 1;
+        copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
+      }
+
+      subbandCoefficients.push({
+        width: width,
+        height: height,
+        items: coefficients
+      });
+    }
+
+    var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
+    return {
+      left: component.tcx0,
+      top: component.tcy0,
+      width: result.width,
+      height: result.height,
+      items: result.items
+    };
+  }
+
+  function transformComponents(context) {
+    var siz = context.SIZ;
+    var components = context.components;
+    var componentsCount = siz.Csiz;
+    var resultImages = [];
+
+    for (var i = 0, ii = context.tiles.length; i < ii; i++) {
+      var tile = context.tiles[i];
+      var transformedTiles = [];
+      var c;
+
+      for (c = 0; c < componentsCount; c++) {
+        transformedTiles[c] = transformTile(context, tile, c);
+      }
+
+      var tile0 = transformedTiles[0];
+      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
+      var result = {
+        left: tile0.left,
+        top: tile0.top,
+        width: tile0.width,
+        height: tile0.height,
+        items: out
+      };
+      var shift, offset;
+      var pos = 0,
+          j,
+          jj,
+          y0,
+          y1,
+          y2;
+
+      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
+        var fourComponents = componentsCount === 4;
+        var y0items = transformedTiles[0].items;
+        var y1items = transformedTiles[1].items;
+        var y2items = transformedTiles[2].items;
+        var y3items = fourComponents ? transformedTiles[3].items : null;
+        shift = components[0].precision - 8;
+        offset = (128 << shift) + 0.5;
+        var component0 = tile.components[0];
+        var alpha01 = componentsCount - 3;
+        jj = y0items.length;
+
+        if (!component0.codingStyleParameters.reversibleTransformation) {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            out[pos++] = y0 + 1.402 * y2 >> shift;
+            out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
+            out[pos++] = y0 + 1.772 * y1 >> shift;
+          }
+        } else {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            var g = y0 - (y2 + y1 >> 2);
+            out[pos++] = g + y2 >> shift;
+            out[pos++] = g >> shift;
+            out[pos++] = g + y1 >> shift;
+          }
+        }
+
+        if (fourComponents) {
+          for (j = 0, pos = 3; j < jj; j++, pos += 4) {
+            out[pos] = y3items[j] + offset >> shift;
+          }
+        }
+      } else {
+        for (c = 0; c < componentsCount; c++) {
+          var items = transformedTiles[c].items;
+          shift = components[c].precision - 8;
+          offset = (128 << shift) + 0.5;
+
+          for (pos = c, j = 0, jj = items.length; j < jj; j++) {
+            out[pos] = items[j] + offset >> shift;
+            pos += componentsCount;
+          }
+        }
+      }
+
+      resultImages.push(result);
+    }
+
+    return resultImages;
+  }
+
+  function initializeTile(context, tileIndex) {
+    var siz = context.SIZ;
+    var componentsCount = siz.Csiz;
+    var tile = context.tiles[tileIndex];
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
+      component.quantizationParameters = qcdOrQcc;
+      var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
+      component.codingStyleParameters = codOrCoc;
+    }
+
+    tile.codingStyleDefaultParameters = context.currentTile.COD;
+  }
+
+  var TagTree = function TagTreeClosure() {
+    function TagTree(width, height) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var level = {
+          width: width,
+          height: height,
+          items: []
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    TagTree.prototype = {
+      reset: function TagTree_reset(i, j) {
+        var currentLevel = 0,
+            value = 0,
+            level;
+
+        while (currentLevel < this.levels.length) {
+          level = this.levels[currentLevel];
+          var index = i + j * level.width;
+
+          if (level.items[index] !== undefined) {
+            value = level.items[index];
+            break;
+          }
+
+          level.index = index;
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        currentLevel--;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        this.currentLevel = currentLevel;
+        delete this.value;
+      },
+      incrementValue: function TagTree_incrementValue() {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index]++;
+      },
+      nextLevel: function TagTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          this.value = value;
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return TagTree;
+  }();
+
+  var InclusionTree = function InclusionTreeClosure() {
+    function InclusionTree(width, height, defaultValue) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var items = new Uint8Array(width * height);
+
+        for (var j = 0, jj = items.length; j < jj; j++) {
+          items[j] = defaultValue;
+        }
+
+        var level = {
+          width: width,
+          height: height,
+          items: items
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    InclusionTree.prototype = {
+      reset: function InclusionTree_reset(i, j, stopValue) {
+        var currentLevel = 0;
+
+        while (currentLevel < this.levels.length) {
+          var level = this.levels[currentLevel];
+          var index = i + j * level.width;
+          level.index = index;
+          var value = level.items[index];
+
+          if (value === 0xff) {
+            break;
+          }
+
+          if (value > stopValue) {
+            this.currentLevel = currentLevel;
+            this.propagateValues();
+            return false;
+          }
+
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        this.currentLevel = currentLevel - 1;
+        return true;
+      },
+      incrementValue: function InclusionTree_incrementValue(stopValue) {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index] = stopValue + 1;
+        this.propagateValues();
+      },
+      propagateValues: function InclusionTree_propagateValues() {
+        var levelIndex = this.currentLevel;
+        var level = this.levels[levelIndex];
+        var currentValue = level.items[level.index];
+
+        while (--levelIndex >= 0) {
+          level = this.levels[levelIndex];
+          level.items[level.index] = currentValue;
+        }
+      },
+      nextLevel: function InclusionTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        level.items[level.index] = 0xff;
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return InclusionTree;
+  }();
+
+  var BitModel = function BitModelClosure() {
+    var UNIFORM_CONTEXT = 17;
+    var RUNLENGTH_CONTEXT = 18;
+    var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+    var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+    var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
+
+    function BitModel(width, height, subband, zeroBitPlanes, mb) {
+      this.width = width;
+      this.height = height;
+      var contextLabelTable;
+
+      if (subband === "HH") {
+        contextLabelTable = HHContextLabel;
+      } else if (subband === "HL") {
+        contextLabelTable = HLContextLabel;
+      } else {
+        contextLabelTable = LLAndLHContextsLabel;
+      }
+
+      this.contextLabelTable = contextLabelTable;
+      var coefficientCount = width * height;
+      this.neighborsSignificance = new Uint8Array(coefficientCount);
+      this.coefficentsSign = new Uint8Array(coefficientCount);
+      var coefficentsMagnitude;
+
+      if (mb > 14) {
+        coefficentsMagnitude = new Uint32Array(coefficientCount);
+      } else if (mb > 6) {
+        coefficentsMagnitude = new Uint16Array(coefficientCount);
+      } else {
+        coefficentsMagnitude = new Uint8Array(coefficientCount);
+      }
+
+      this.coefficentsMagnitude = coefficentsMagnitude;
+      this.processingFlags = new Uint8Array(coefficientCount);
+      var bitsDecoded = new Uint8Array(coefficientCount);
+
+      if (zeroBitPlanes !== 0) {
+        for (var i = 0; i < coefficientCount; i++) {
+          bitsDecoded[i] = zeroBitPlanes;
+        }
+      }
+
+      this.bitsDecoded = bitsDecoded;
+      this.reset();
+    }
+
+    BitModel.prototype = {
+      setDecoder: function BitModel_setDecoder(decoder) {
+        this.decoder = decoder;
+      },
+      reset: function BitModel_reset() {
+        this.contexts = new Int8Array(19);
+        this.contexts[0] = 4 << 1 | 0;
+        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
+        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
+      },
+      setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
+        var neighborsSignificance = this.neighborsSignificance;
+        var width = this.width,
+            height = this.height;
+        var left = column > 0;
+        var right = column + 1 < width;
+        var i;
+
+        if (row > 0) {
+          i = index - width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (row + 1 < height) {
+          i = index + width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (left) {
+          neighborsSignificance[index - 1] += 0x01;
+        }
+
+        if (right) {
+          neighborsSignificance[index + 1] += 0x01;
+        }
+
+        neighborsSignificance[index] |= 0x80;
+      },
+      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var neighborsSignificance = this.neighborsSignificance;
+        var processingFlags = this.processingFlags;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processedInverseMask = ~1;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+
+        for (var i0 = 0; i0 < height; i0 += 4) {
+          for (var j = 0; j < width; j++) {
+            var index = i0 * width + j;
+
+            for (var i1 = 0; i1 < 4; i1++, index += width) {
+              var i = i0 + i1;
+
+              if (i >= height) {
+                break;
+              }
+
+              processingFlags[index] &= processedInverseMask;
+
+              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision) {
+                var sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contribution, sign0, sign1, significance1;
+        var contextLabel, decoded;
+        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
+
+        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
+          sign1 = coefficentsSign[index + 1];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - 1];
+            contribution = 1 - sign1 - sign0;
+          } else {
+            contribution = 1 - sign1 - sign1;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - 1];
+          contribution = 1 - sign0 - sign0;
+        } else {
+          contribution = 0;
+        }
+
+        var horizontalContribution = 3 * contribution;
+        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
+
+        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
+          sign1 = coefficentsSign[index + width];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - width];
+            contribution = 1 - sign1 - sign0 + horizontalContribution;
+          } else {
+            contribution = 1 - sign1 - sign1 + horizontalContribution;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - width];
+          contribution = 1 - sign0 - sign0 + horizontalContribution;
+        } else {
+          contribution = horizontalContribution;
+        }
+
+        if (contribution >= 0) {
+          contextLabel = 9 + contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel);
+        } else {
+          contextLabel = 9 - contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
+        }
+
+        return decoded;
+      },
+      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var neighborsSignificance = this.neighborsSignificance;
+        var contexts = this.contexts;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var length = width * height;
+        var width4 = width * 4;
+
+        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
+          indexNext = Math.min(length, index0 + width4);
+
+          for (var j = 0; j < width; j++) {
+            for (var index = index0 + j; index < indexNext; index += width) {
+              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = 16;
+
+              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
+                processingFlags[index] ^= firstMagnitudeBitMask;
+                var significance = neighborsSignificance[index] & 127;
+                contextLabel = significance === 0 ? 15 : 14;
+              }
+
+              var bit = decoder.readBit(contexts, contextLabel);
+              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      runCleanupPass: function BitModel_runCleanupPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var neighborsSignificance = this.neighborsSignificance;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var oneRowDown = width;
+        var twoRowsDown = width * 2;
+        var threeRowsDown = width * 3;
+        var iNext;
+
+        for (var i0 = 0; i0 < height; i0 = iNext) {
+          iNext = Math.min(i0 + 4, height);
+          var indexBase = i0 * width;
+          var checkAllEmpty = i0 + 3 < height;
+
+          for (var j = 0; j < width; j++) {
+            var index0 = indexBase + j;
+            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
+            var i1 = 0,
+                index = index0;
+            var i = i0,
+                sign;
+
+            if (allEmpty) {
+              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
+
+              if (!hasSignificantCoefficent) {
+                bitsDecoded[index0]++;
+                bitsDecoded[index0 + oneRowDown]++;
+                bitsDecoded[index0 + twoRowsDown]++;
+                bitsDecoded[index0 + threeRowsDown]++;
+                continue;
+              }
+
+              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+              if (i1 !== 0) {
+                i = i0 + i1;
+                index += i1 * width;
+              }
+
+              sign = this.decodeSignBit(i, j, index);
+              coefficentsSign[index] = sign;
+              coefficentsMagnitude[index] = 1;
+              this.setNeighborsSignificance(i, j, index);
+              processingFlags[index] |= firstMagnitudeBitMask;
+              index = index0;
+
+              for (var i2 = i0; i2 <= i; i2++, index += width) {
+                bitsDecoded[index]++;
+              }
+
+              i1++;
+            }
+
+            for (i = i0 + i1; i < iNext; i++, index += width) {
+              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision === 1) {
+                sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+            }
+          }
+        }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var contexts = this.contexts;
+        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+        if (symbol !== 0xa) {
+          throw new JpxError("Invalid segmentation symbol");
+        }
+      }
+    };
+    return BitModel;
+  }();
+
+  var Transform = function TransformClosure() {
+    function Transform() {}
+
+    Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
+      var ll = subbands[0];
+
+      for (var i = 1, ii = subbands.length; i < ii; i++) {
+        ll = this.iterate(ll, subbands[i], u0, v0);
+      }
+
+      return ll;
+    };
+
+    Transform.prototype.extend = function extend(buffer, offset, size) {
+      var i1 = offset - 1,
+          j1 = offset + 1;
+      var i2 = offset + size - 2,
+          j2 = offset + size;
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1] = buffer[j1];
+      buffer[j2] = buffer[i2];
+    };
+
+    Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
+      var llWidth = ll.width,
+          llHeight = ll.height,
+          llItems = ll.items;
+      var width = hl_lh_hh.width;
+      var height = hl_lh_hh.height;
+      var items = hl_lh_hh.items;
+      var i, j, k, l, u, v;
+
+      for (k = 0, i = 0; i < llHeight; i++) {
+        l = i * 2 * width;
+
+        for (j = 0; j < llWidth; j++, k++, l += 2) {
+          items[l] = llItems[k];
+        }
+      }
+
+      llItems = ll.items = null;
+      var bufferPadding = 4;
+      var rowBuffer = new Float32Array(width + 2 * bufferPadding);
+
+      if (width === 1) {
+        if ((u0 & 1) !== 0) {
+          for (v = 0, k = 0; v < height; v++, k += width) {
+            items[k] *= 0.5;
+          }
+        }
+      } else {
+        for (v = 0, k = 0; v < height; v++, k += width) {
+          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
+          this.extend(rowBuffer, bufferPadding, width);
+          this.filter(rowBuffer, bufferPadding, width);
+          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
+        }
+      }
+
+      var numBuffers = 16;
+      var colBuffers = [];
+
+      for (i = 0; i < numBuffers; i++) {
+        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
+      }
+
+      var b,
+          currentBuffer = 0;
+      ll = bufferPadding + height;
+
+      if (height === 1) {
+        if ((v0 & 1) !== 0) {
+          for (u = 0; u < width; u++) {
+            items[u] *= 0.5;
+          }
+        }
+      } else {
+        for (u = 0; u < width; u++) {
+          if (currentBuffer === 0) {
+            numBuffers = Math.min(width - u, numBuffers);
+
+            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                colBuffers[b][l] = items[k + b];
+              }
+            }
+
+            currentBuffer = numBuffers;
+          }
+
+          currentBuffer--;
+          var buffer = colBuffers[currentBuffer];
+          this.extend(buffer, bufferPadding, height);
+          this.filter(buffer, bufferPadding, height);
+
+          if (currentBuffer === 0) {
+            k = u - numBuffers + 1;
+
+            for (l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                items[k + b] = colBuffers[b][l];
+              }
+            }
+          }
+        }
+      }
+
+      return {
+        width: width,
+        height: height,
+        items: items
+      };
+    };
+
+    return Transform;
+  }();
+
+  var IrreversibleTransform = function IrreversibleTransformClosure() {
+    function IrreversibleTransform() {
+      Transform.call(this);
+    }
+
+    IrreversibleTransform.prototype = Object.create(Transform.prototype);
+
+    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n, current, next;
+      var alpha = -1.586134342059924;
+      var beta = -0.052980118572961;
+      var gamma = 0.882911075530934;
+      var delta = 0.443506852043971;
+      var K = 1.230174104914001;
+      var K_ = 1 / K;
+      j = offset - 3;
+
+      for (n = len + 4; n--; j += 2) {
+        x[j] *= K_;
+      }
+
+      j = offset - 2;
+      current = delta * x[j - 1];
+
+      for (n = len + 3; n--; j += 2) {
+        next = delta * x[j + 1];
+        x[j] = K * x[j] - current - next;
+
+        if (n--) {
+          j += 2;
+          current = delta * x[j + 1];
+          x[j] = K * x[j] - current - next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset - 1;
+      current = gamma * x[j - 1];
+
+      for (n = len + 2; n--; j += 2) {
+        next = gamma * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = gamma * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset;
+      current = beta * x[j - 1];
+
+      for (n = len + 1; n--; j += 2) {
+        next = beta * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = beta * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      if (len !== 0) {
+        j = offset + 1;
+        current = alpha * x[j - 1];
+
+        for (n = len; n--; j += 2) {
+          next = alpha * x[j + 1];
+          x[j] -= current + next;
+
+          if (n--) {
+            j += 2;
+            current = alpha * x[j + 1];
+            x[j] -= current + next;
+          } else {
+            break;
+          }
+        }
+      }
+    };
+
+    return IrreversibleTransform;
+  }();
+
+  var ReversibleTransform = function ReversibleTransformClosure() {
+    function ReversibleTransform() {
+      Transform.call(this);
+    }
+
+    ReversibleTransform.prototype = Object.create(Transform.prototype);
+
+    ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n;
+
+      for (j = offset, n = len + 1; n--; j += 2) {
+        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
+      }
+
+      for (j = offset + 1, n = len; n--; j += 2) {
+        x[j] += x[j - 1] + x[j + 1] >> 1;
+      }
+    };
+
+    return ReversibleTransform;
+  }();
+
+  return JpxImage;
+}();
+
+exports.JpxImage = JpxImage;
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.image_decoders.js.map
\ No newline at end of file
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+++ b/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.js.map
@@ -0,0 +1 @@
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FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  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0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","require('../modules/es.global-this');\n\nmodule.exports = require('../internals/global');\n","var $ = require('../internals/export');\nvar global = require('../internals/global');\n\n// `globalThis` object\n// https://github.com/tc39/proposal-global\n$({ global: true }, {\n  globalThis: global\n});\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar setGlobal = require('../internals/set-global');\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar isForced = require('../internals/is-forced');\n\n/*\n  options.target      - name of the target object\n  options.global      - target is the global object\n  options.stat        - export as static methods of target\n  options.proto       - export as prototype methods of target\n  options.real        - real prototype method for the `pure` version\n  options.forced      - export even if the native feature is available\n  options.bind        - bind methods to the target, required for the `pure` version\n  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version\n  options.unsafe      - use the simple assignment of property instead of delete + defineProperty\n  options.sham        - add a flag to not completely full polyfills\n  options.enumerable  - export as enumerable property\n  options.noTargetGet - prevent calling a getter on target\n*/\nmodule.exports = function (options, source) {\n  var TARGET = options.target;\n  var GLOBAL = options.global;\n  var STATIC = options.stat;\n  var FORCED, target, key, targetProperty, sourceProperty, descriptor;\n  if (GLOBAL) {\n    target = global;\n  } else if (STATIC) {\n    target = global[TARGET] || setGlobal(TARGET, {});\n  } else {\n    target = (global[TARGET] || {}).prototype;\n  }\n  if (target) for (key in source) {\n    sourceProperty = source[key];\n    if (options.noTargetGet) {\n      descriptor = getOwnPropertyDescriptor(target, key);\n      targetProperty = descriptor && descriptor.value;\n    } else targetProperty = target[key];\n    FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);\n    // contained in target\n    if (!FORCED && targetProperty !== undefined) {\n      if (typeof sourceProperty === typeof targetProperty) continue;\n      copyConstructorProperties(sourceProperty, targetProperty);\n    }\n    // add a flag to not completely full polyfills\n    if (options.sham || (targetProperty && targetProperty.sham)) {\n      createNonEnumerableProperty(sourceProperty, 'sham', true);\n    }\n    // extend global\n    redefine(target, key, sourceProperty, options);\n  }\n};\n","var check = function (it) {\n  return it && it.Math == Math && it;\n};\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nmodule.exports =\n  // eslint-disable-next-line no-undef\n  check(typeof globalThis == 'object' && globalThis) ||\n  check(typeof window == 'object' && window) ||\n  check(typeof self == 'object' && self) ||\n  check(typeof global == 'object' && global) ||\n  // eslint-disable-next-line no-new-func\n  Function('return this')();\n","var DESCRIPTORS = require('../internals/descriptors');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar has = require('../internals/has');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\n\nvar nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// `Object.getOwnPropertyDescriptor` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor\nexports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {\n  O = toIndexedObject(O);\n  P = toPrimitive(P, true);\n  if (IE8_DOM_DEFINE) try {\n    return nativeGetOwnPropertyDescriptor(O, P);\n  } catch (error) { /* empty */ }\n  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);\n};\n","var fails = require('../internals/fails');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !fails(function () {\n  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;\n});\n","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (error) {\n    return true;\n  }\n};\n","'use strict';\nvar nativePropertyIsEnumerable = {}.propertyIsEnumerable;\nvar getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// Nashorn ~ JDK8 bug\nvar NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);\n\n// `Object.prototype.propertyIsEnumerable` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable\nexports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {\n  var descriptor = getOwnPropertyDescriptor(this, V);\n  return !!descriptor && descriptor.enumerable;\n} : nativePropertyIsEnumerable;\n","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n","// toObject with fallback for non-array-like ES3 strings\nvar IndexedObject = require('../internals/indexed-object');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nmodule.exports = function (it) {\n  return IndexedObject(requireObjectCoercible(it));\n};\n","var fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\n\nvar split = ''.split;\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nmodule.exports = fails(function () {\n  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346\n  // eslint-disable-next-line no-prototype-builtins\n  return !Object('z').propertyIsEnumerable(0);\n}) ? function (it) {\n  return classof(it) == 'String' ? split.call(it, '') : Object(it);\n} : Object;\n","var toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n","// `RequireObjectCoercible` abstract operation\n// https://tc39.github.io/ecma262/#sec-requireobjectcoercible\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n  return it;\n};\n","var isObject = require('../internals/is-object');\n\n// `ToPrimitive` abstract operation\n// https://tc39.github.io/ecma262/#sec-toprimitive\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (input, PREFERRED_STRING) {\n  if (!isObject(input)) return input;\n  var fn, val;\n  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;\n  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n","var hasOwnProperty = {}.hasOwnProperty;\n\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar createElement = require('../internals/document-create-element');\n\n// Thank's IE8 for his funny defineProperty\nmodule.exports = !DESCRIPTORS && !fails(function () {\n  return Object.defineProperty(createElement('div'), 'a', {\n    get: function () { return 7; }\n  }).a != 7;\n});\n","var global = require('../internals/global');\nvar isObject = require('../internals/is-object');\n\nvar document = global.document;\n// typeof document.createElement is 'object' in old IE\nvar EXISTS = isObject(document) && isObject(document.createElement);\n\nmodule.exports = function (it) {\n  return EXISTS ? document.createElement(it) : {};\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = DESCRIPTORS ? function (object, key, value) {\n  return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar IE8_DOM_DEFINE = require('../internals/ie8-dom-define');\nvar anObject = require('../internals/an-object');\nvar toPrimitive = require('../internals/to-primitive');\n\nvar nativeDefineProperty = Object.defineProperty;\n\n// `Object.defineProperty` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperty\nexports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return nativeDefineProperty(O, P, Attributes);\n  } catch (error) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it)) {\n    throw TypeError(String(it) + ' is not an object');\n  } return it;\n};\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar setGlobal = require('../internals/set-global');\nvar inspectSource = require('../internals/inspect-source');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar getInternalState = InternalStateModule.get;\nvar enforceInternalState = InternalStateModule.enforce;\nvar TEMPLATE = String(String).split('String');\n\n(module.exports = function (O, key, value, options) {\n  var unsafe = options ? !!options.unsafe : false;\n  var simple = options ? !!options.enumerable : false;\n  var noTargetGet = options ? !!options.noTargetGet : false;\n  if (typeof value == 'function') {\n    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);\n    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');\n  }\n  if (O === global) {\n    if (simple) O[key] = value;\n    else setGlobal(key, value);\n    return;\n  } else if (!unsafe) {\n    delete O[key];\n  } else if (!noTargetGet && O[key]) {\n    simple = true;\n  }\n  if (simple) O[key] = value;\n  else createNonEnumerableProperty(O, key, value);\n// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative\n})(Function.prototype, 'toString', function toString() {\n  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);\n});\n","var global = require('../internals/global');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\n\nmodule.exports = function (key, value) {\n  try {\n    createNonEnumerableProperty(global, key, value);\n  } catch (error) {\n    global[key] = value;\n  } return value;\n};\n","var store = require('../internals/shared-store');\n\nvar functionToString = Function.toString;\n\n// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper\nif (typeof store.inspectSource != 'function') {\n  store.inspectSource = function (it) {\n    return functionToString.call(it);\n  };\n}\n\nmodule.exports = store.inspectSource;\n","var global = require('../internals/global');\nvar setGlobal = require('../internals/set-global');\n\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || setGlobal(SHARED, {});\n\nmodule.exports = store;\n","var NATIVE_WEAK_MAP = require('../internals/native-weak-map');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar objectHas = require('../internals/has');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\n\nvar WeakMap = global.WeakMap;\nvar set, get, has;\n\nvar enforce = function (it) {\n  return has(it) ? get(it) : set(it, {});\n};\n\nvar getterFor = function (TYPE) {\n  return function (it) {\n    var state;\n    if (!isObject(it) || (state = get(it)).type !== TYPE) {\n      throw TypeError('Incompatible receiver, ' + TYPE + ' required');\n    } return state;\n  };\n};\n\nif (NATIVE_WEAK_MAP) {\n  var store = new WeakMap();\n  var wmget = store.get;\n  var wmhas = store.has;\n  var wmset = store.set;\n  set = function (it, metadata) {\n    wmset.call(store, it, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return wmget.call(store, it) || {};\n  };\n  has = function (it) {\n    return wmhas.call(store, it);\n  };\n} else {\n  var STATE = sharedKey('state');\n  hiddenKeys[STATE] = true;\n  set = function (it, metadata) {\n    createNonEnumerableProperty(it, STATE, metadata);\n    return metadata;\n  };\n  get = function (it) {\n    return objectHas(it, STATE) ? it[STATE] : {};\n  };\n  has = function (it) {\n    return objectHas(it, STATE);\n  };\n}\n\nmodule.exports = {\n  set: set,\n  get: get,\n  has: has,\n  enforce: enforce,\n  getterFor: getterFor\n};\n","var global = require('../internals/global');\nvar inspectSource = require('../internals/inspect-source');\n\nvar WeakMap = global.WeakMap;\n\nmodule.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));\n","var shared = require('../internals/shared');\nvar uid = require('../internals/uid');\n\nvar keys = shared('keys');\n\nmodule.exports = function (key) {\n  return keys[key] || (keys[key] = uid(key));\n};\n","var IS_PURE = require('../internals/is-pure');\nvar store = require('../internals/shared-store');\n\n(module.exports = function (key, value) {\n  return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n  version: '3.6.5',\n  mode: IS_PURE ? 'pure' : 'global',\n  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'\n});\n","module.exports = false;\n","var id = 0;\nvar postfix = Math.random();\n\nmodule.exports = function (key) {\n  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);\n};\n","module.exports = {};\n","var has = require('../internals/has');\nvar ownKeys = require('../internals/own-keys');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\n\nmodule.exports = function (target, source) {\n  var keys = ownKeys(source);\n  var defineProperty = definePropertyModule.f;\n  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i];\n    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));\n  }\n};\n","var getBuiltIn = require('../internals/get-built-in');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar anObject = require('../internals/an-object');\n\n// all object keys, includes non-enumerable and symbols\nmodule.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {\n  var keys = getOwnPropertyNamesModule.f(anObject(it));\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;\n};\n","var path = require('../internals/path');\nvar global = require('../internals/global');\n\nvar aFunction = function (variable) {\n  return typeof variable == 'function' ? variable : undefined;\n};\n\nmodule.exports = function (namespace, method) {\n  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace])\n    : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];\n};\n","var global = require('../internals/global');\n\nmodule.exports = global;\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\nvar hiddenKeys = enumBugKeys.concat('length', 'prototype');\n\n// `Object.getOwnPropertyNames` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertynames\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n  return internalObjectKeys(O, hiddenKeys);\n};\n","var has = require('../internals/has');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar indexOf = require('../internals/array-includes').indexOf;\nvar hiddenKeys = require('../internals/hidden-keys');\n\nmodule.exports = function (object, names) {\n  var O = toIndexedObject(object);\n  var i = 0;\n  var result = [];\n  var key;\n  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while (names.length > i) if (has(O, key = names[i++])) {\n    ~indexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar toLength = require('../internals/to-length');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\n// `Array.prototype.{ indexOf, includes }` methods implementation\nvar createMethod = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIndexedObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) {\n      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.includes` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.includes\n  includes: createMethod(true),\n  // `Array.prototype.indexOf` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof\n  indexOf: createMethod(false)\n};\n","var toInteger = require('../internals/to-integer');\n\nvar min = Math.min;\n\n// `ToLength` abstract operation\n// https://tc39.github.io/ecma262/#sec-tolength\nmodule.exports = function (argument) {\n  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991\n};\n","var ceil = Math.ceil;\nvar floor = Math.floor;\n\n// `ToInteger` abstract operation\n// https://tc39.github.io/ecma262/#sec-tointeger\nmodule.exports = function (argument) {\n  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);\n};\n","var toInteger = require('../internals/to-integer');\n\nvar max = Math.max;\nvar min = Math.min;\n\n// Helper for a popular repeating case of the spec:\n// Let integer be ? ToInteger(index).\n// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).\nmodule.exports = function (index, length) {\n  var integer = toInteger(index);\n  return integer < 0 ? max(integer + length, 0) : min(integer, length);\n};\n","// IE8- don't enum bug keys\nmodule.exports = [\n  'constructor',\n  'hasOwnProperty',\n  'isPrototypeOf',\n  'propertyIsEnumerable',\n  'toLocaleString',\n  'toString',\n  'valueOf'\n];\n","exports.f = Object.getOwnPropertySymbols;\n","var fails = require('../internals/fails');\n\nvar replacement = /#|\\.prototype\\./;\n\nvar isForced = function (feature, detection) {\n  var value = data[normalize(feature)];\n  return value == POLYFILL ? true\n    : value == NATIVE ? false\n    : typeof detection == 'function' ? fails(detection)\n    : !!detection;\n};\n\nvar normalize = isForced.normalize = function (string) {\n  return String(string).replace(replacement, '.').toLowerCase();\n};\n\nvar data = isForced.data = {};\nvar NATIVE = isForced.NATIVE = 'N';\nvar POLYFILL = isForced.POLYFILL = 'P';\n\nmodule.exports = isForced;\n","require('../../modules/es.string.starts-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'startsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeStartsWith = ''.startsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.startsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.startswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  startsWith: function startsWith(searchString /* , position = 0 */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n    var search = String(searchString);\n    return nativeStartsWith\n      ? nativeStartsWith.call(that, search, index)\n      : that.slice(index, index + search.length) === search;\n  }\n});\n","var isRegExp = require('../internals/is-regexp');\n\nmodule.exports = function (it) {\n  if (isRegExp(it)) {\n    throw TypeError(\"The method doesn't accept regular expressions\");\n  } return it;\n};\n","var isObject = require('../internals/is-object');\nvar classof = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\n// `IsRegExp` abstract operation\n// https://tc39.github.io/ecma262/#sec-isregexp\nmodule.exports = function (it) {\n  var isRegExp;\n  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');\n};\n","var global = require('../internals/global');\nvar shared = require('../internals/shared');\nvar has = require('../internals/has');\nvar uid = require('../internals/uid');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\n\nvar WellKnownSymbolsStore = shared('wks');\nvar Symbol = global.Symbol;\nvar createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;\n\nmodule.exports = function (name) {\n  if (!has(WellKnownSymbolsStore, name)) {\n    if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];\n    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);\n  } return WellKnownSymbolsStore[name];\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !!Object.getOwnPropertySymbols && !fails(function () {\n  // Chrome 38 Symbol has incorrect toString conversion\n  // eslint-disable-next-line no-undef\n  return !String(Symbol());\n});\n","var NATIVE_SYMBOL = require('../internals/native-symbol');\n\nmodule.exports = NATIVE_SYMBOL\n  // eslint-disable-next-line no-undef\n  && !Symbol.sham\n  // eslint-disable-next-line no-undef\n  && typeof Symbol.iterator == 'symbol';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\n\nmodule.exports = function (METHOD_NAME) {\n  var regexp = /./;\n  try {\n    '/./'[METHOD_NAME](regexp);\n  } catch (e) {\n    try {\n      regexp[MATCH] = false;\n      return '/./'[METHOD_NAME](regexp);\n    } catch (f) { /* empty */ }\n  } return false;\n};\n","var global = require('../internals/global');\nvar bind = require('../internals/function-bind-context');\n\nvar call = Function.call;\n\nmodule.exports = function (CONSTRUCTOR, METHOD, length) {\n  return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);\n};\n","var aFunction = require('../internals/a-function');\n\n// optional / simple context binding\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 0: return function () {\n      return fn.call(that);\n    };\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n","module.exports = function (it) {\n  if (typeof it != 'function') {\n    throw TypeError(String(it) + ' is not a function');\n  } return it;\n};\n","require('../../modules/es.string.ends-with');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'endsWith');\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeEndsWith = ''.endsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n  var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');\n  return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.endsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.endswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n  endsWith: function endsWith(searchString /* , endPosition = @length */) {\n    var that = String(requireObjectCoercible(this));\n    notARegExp(searchString);\n    var endPosition = arguments.length > 1 ? arguments[1] : undefined;\n    var len = toLength(that.length);\n    var end = endPosition === undefined ? len : min(toLength(endPosition), len);\n    var search = String(searchString);\n    return nativeEndsWith\n      ? nativeEndsWith.call(that, search, end)\n      : that.slice(end - search.length, end) === search;\n  }\n});\n","require('../../modules/es.string.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\n\n// `String.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.includes\n$({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, {\n  includes: function includes(searchString /* , position = 0 */) {\n    return !!~String(requireObjectCoercible(this))\n      .indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.array.includes');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('Array', 'includes');\n","'use strict';\nvar $ = require('../internals/export');\nvar $includes = require('../internals/array-includes').includes;\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\n\n// `Array.prototype.includes` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.includes\n$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {\n  includes: function includes(el /* , fromIndex = 0 */) {\n    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('includes');\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar create = require('../internals/object-create');\nvar definePropertyModule = require('../internals/object-define-property');\n\nvar UNSCOPABLES = wellKnownSymbol('unscopables');\nvar ArrayPrototype = Array.prototype;\n\n// Array.prototype[@@unscopables]\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\nif (ArrayPrototype[UNSCOPABLES] == undefined) {\n  definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {\n    configurable: true,\n    value: create(null)\n  });\n}\n\n// add a key to Array.prototype[@@unscopables]\nmodule.exports = function (key) {\n  ArrayPrototype[UNSCOPABLES][key] = true;\n};\n","var anObject = require('../internals/an-object');\nvar defineProperties = require('../internals/object-define-properties');\nvar enumBugKeys = require('../internals/enum-bug-keys');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar html = require('../internals/html');\nvar documentCreateElement = require('../internals/document-create-element');\nvar sharedKey = require('../internals/shared-key');\n\nvar GT = '>';\nvar LT = '<';\nvar PROTOTYPE = 'prototype';\nvar SCRIPT = 'script';\nvar IE_PROTO = sharedKey('IE_PROTO');\n\nvar EmptyConstructor = function () { /* empty */ };\n\nvar scriptTag = function (content) {\n  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;\n};\n\n// Create object with fake `null` prototype: use ActiveX Object with cleared prototype\nvar NullProtoObjectViaActiveX = function (activeXDocument) {\n  activeXDocument.write(scriptTag(''));\n  activeXDocument.close();\n  var temp = activeXDocument.parentWindow.Object;\n  activeXDocument = null; // avoid memory leak\n  return temp;\n};\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar NullProtoObjectViaIFrame = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = documentCreateElement('iframe');\n  var JS = 'java' + SCRIPT + ':';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  html.appendChild(iframe);\n  // https://github.com/zloirock/core-js/issues/475\n  iframe.src = String(JS);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(scriptTag('document.F=Object'));\n  iframeDocument.close();\n  return iframeDocument.F;\n};\n\n// Check for document.domain and active x support\n// No need to use active x approach when document.domain is not set\n// see https://github.com/es-shims/es5-shim/issues/150\n// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346\n// avoid IE GC bug\nvar activeXDocument;\nvar NullProtoObject = function () {\n  try {\n    /* global ActiveXObject */\n    activeXDocument = document.domain && new ActiveXObject('htmlfile');\n  } catch (error) { /* ignore */ }\n  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();\n  var length = enumBugKeys.length;\n  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];\n  return NullProtoObject();\n};\n\nhiddenKeys[IE_PROTO] = true;\n\n// `Object.create` method\n// https://tc39.github.io/ecma262/#sec-object.create\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    EmptyConstructor[PROTOTYPE] = anObject(O);\n    result = new EmptyConstructor();\n    EmptyConstructor[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = NullProtoObject();\n  return Properties === undefined ? result : defineProperties(result, Properties);\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar anObject = require('../internals/an-object');\nvar objectKeys = require('../internals/object-keys');\n\n// `Object.defineProperties` method\n// https://tc39.github.io/ecma262/#sec-object.defineproperties\nmodule.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = objectKeys(Properties);\n  var length = keys.length;\n  var index = 0;\n  var key;\n  while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);\n  return O;\n};\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\n// `Object.keys` method\n// https://tc39.github.io/ecma262/#sec-object.keys\nmodule.exports = Object.keys || function keys(O) {\n  return internalObjectKeys(O, enumBugKeys);\n};\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('document', 'documentElement');\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\n\nvar defineProperty = Object.defineProperty;\nvar cache = {};\n\nvar thrower = function (it) { throw it; };\n\nmodule.exports = function (METHOD_NAME, options) {\n  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];\n  if (!options) options = {};\n  var method = [][METHOD_NAME];\n  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;\n  var argument0 = has(options, 0) ? options[0] : thrower;\n  var argument1 = has(options, 1) ? options[1] : undefined;\n\n  return cache[METHOD_NAME] = !!method && !fails(function () {\n    if (ACCESSORS && !DESCRIPTORS) return true;\n    var O = { length: -1 };\n\n    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });\n    else O[1] = 1;\n\n    method.call(O, argument0, argument1);\n  });\n};\n","require('../../modules/es.string.iterator');\nrequire('../../modules/es.array.from');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Array.from;\n","'use strict';\nvar charAt = require('../internals/string-multibyte').charAt;\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar STRING_ITERATOR = 'String Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);\n\n// `String.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator\ndefineIterator(String, 'String', function (iterated) {\n  setInternalState(this, {\n    type: STRING_ITERATOR,\n    string: String(iterated),\n    index: 0\n  });\n// `%StringIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next\n}, function next() {\n  var state = getInternalState(this);\n  var string = state.string;\n  var index = state.index;\n  var point;\n  if (index >= string.length) return { value: undefined, done: true };\n  point = charAt(string, index);\n  state.index += point.length;\n  return { value: point, done: false };\n});\n","var toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.{ codePointAt, at }` methods implementation\nvar createMethod = function (CONVERT_TO_STRING) {\n  return function ($this, pos) {\n    var S = String(requireObjectCoercible($this));\n    var position = toInteger(pos);\n    var size = S.length;\n    var first, second;\n    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;\n    first = S.charCodeAt(position);\n    return first < 0xD800 || first > 0xDBFF || position + 1 === size\n      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF\n        ? CONVERT_TO_STRING ? S.charAt(position) : first\n        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.codePointAt` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n  codeAt: createMethod(false),\n  // `String.prototype.at` method\n  // https://github.com/mathiasbynens/String.prototype.at\n  charAt: createMethod(true)\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\nvar Iterators = require('../internals/iterators');\nvar IteratorsCore = require('../internals/iterators-core');\n\nvar IteratorPrototype = IteratorsCore.IteratorPrototype;\nvar BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;\nvar ITERATOR = wellKnownSymbol('iterator');\nvar KEYS = 'keys';\nvar VALUES = 'values';\nvar ENTRIES = 'entries';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {\n  createIteratorConstructor(IteratorConstructor, NAME, next);\n\n  var getIterationMethod = function (KIND) {\n    if (KIND === DEFAULT && defaultIterator) return defaultIterator;\n    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];\n    switch (KIND) {\n      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };\n      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };\n      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };\n    } return function () { return new IteratorConstructor(this); };\n  };\n\n  var TO_STRING_TAG = NAME + ' Iterator';\n  var INCORRECT_VALUES_NAME = false;\n  var IterablePrototype = Iterable.prototype;\n  var nativeIterator = IterablePrototype[ITERATOR]\n    || IterablePrototype['@@iterator']\n    || DEFAULT && IterablePrototype[DEFAULT];\n  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);\n  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;\n  var CurrentIteratorPrototype, methods, KEY;\n\n  // fix native\n  if (anyNativeIterator) {\n    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));\n    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {\n      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {\n        if (setPrototypeOf) {\n          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);\n        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {\n          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);\n        }\n      }\n      // Set @@toStringTag to native iterators\n      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);\n      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;\n    }\n  }\n\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {\n    INCORRECT_VALUES_NAME = true;\n    defaultIterator = function values() { return nativeIterator.call(this); };\n  }\n\n  // define iterator\n  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {\n    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);\n  }\n  Iterators[NAME] = defaultIterator;\n\n  // export additional methods\n  if (DEFAULT) {\n    methods = {\n      values: getIterationMethod(VALUES),\n      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),\n      entries: getIterationMethod(ENTRIES)\n    };\n    if (FORCED) for (KEY in methods) {\n      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {\n        redefine(IterablePrototype, KEY, methods[KEY]);\n      }\n    } else $({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);\n  }\n\n  return methods;\n};\n","'use strict';\nvar IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar Iterators = require('../internals/iterators');\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (IteratorConstructor, NAME, next) {\n  var TO_STRING_TAG = NAME + ' Iterator';\n  IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });\n  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);\n  Iterators[TO_STRING_TAG] = returnThis;\n  return IteratorConstructor;\n};\n","'use strict';\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar IS_PURE = require('../internals/is-pure');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar BUGGY_SAFARI_ITERATORS = false;\n\nvar returnThis = function () { return this; };\n\n// `%IteratorPrototype%` object\n// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object\nvar IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;\n\nif ([].keys) {\n  arrayIterator = [].keys();\n  // Safari 8 has buggy iterators w/o `next`\n  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;\n  else {\n    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));\n    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;\n  }\n}\n\nif (IteratorPrototype == undefined) IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nif (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {\n  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);\n}\n\nmodule.exports = {\n  IteratorPrototype: IteratorPrototype,\n  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS\n};\n","var has = require('../internals/has');\nvar toObject = require('../internals/to-object');\nvar sharedKey = require('../internals/shared-key');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar IE_PROTO = sharedKey('IE_PROTO');\nvar ObjectPrototype = Object.prototype;\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\nmodule.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectPrototype : null;\n};\n","var requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `ToObject` abstract operation\n// https://tc39.github.io/ecma262/#sec-toobject\nmodule.exports = function (argument) {\n  return Object(requireObjectCoercible(argument));\n};\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  function F() { /* empty */ }\n  F.prototype.constructor = null;\n  return Object.getPrototypeOf(new F()) !== F.prototype;\n});\n","var defineProperty = require('../internals/object-define-property').f;\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n\nmodule.exports = function (it, TAG, STATIC) {\n  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {\n    defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });\n  }\n};\n","module.exports = {};\n","var anObject = require('../internals/an-object');\nvar aPossiblePrototype = require('../internals/a-possible-prototype');\n\n// `Object.setPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.setprototypeof\n// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nmodule.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {\n  var CORRECT_SETTER = false;\n  var test = {};\n  var setter;\n  try {\n    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;\n    setter.call(test, []);\n    CORRECT_SETTER = test instanceof Array;\n  } catch (error) { /* empty */ }\n  return function setPrototypeOf(O, proto) {\n    anObject(O);\n    aPossiblePrototype(proto);\n    if (CORRECT_SETTER) setter.call(O, proto);\n    else O.__proto__ = proto;\n    return O;\n  };\n}() : undefined);\n","var isObject = require('../internals/is-object');\n\nmodule.exports = function (it) {\n  if (!isObject(it) && it !== null) {\n    throw TypeError(\"Can't set \" + String(it) + ' as a prototype');\n  } return it;\n};\n","var $ = require('../internals/export');\nvar from = require('../internals/array-from');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\n\nvar INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {\n  Array.from(iterable);\n});\n\n// `Array.from` method\n// https://tc39.github.io/ecma262/#sec-array.from\n$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {\n  from: from\n});\n","'use strict';\nvar bind = require('../internals/function-bind-context');\nvar toObject = require('../internals/to-object');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar getIteratorMethod = require('../internals/get-iterator-method');\n\n// `Array.from` method implementation\n// https://tc39.github.io/ecma262/#sec-array.from\nmodule.exports = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {\n  var O = toObject(arrayLike);\n  var C = typeof this == 'function' ? this : Array;\n  var argumentsLength = arguments.length;\n  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;\n  var mapping = mapfn !== undefined;\n  var iteratorMethod = getIteratorMethod(O);\n  var index = 0;\n  var length, result, step, iterator, next, value;\n  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);\n  // if the target is not iterable or it's an array with the default iterator - use a simple case\n  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {\n    iterator = iteratorMethod.call(O);\n    next = iterator.next;\n    result = new C();\n    for (;!(step = next.call(iterator)).done; index++) {\n      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;\n      createProperty(result, index, value);\n    }\n  } else {\n    length = toLength(O.length);\n    result = new C(length);\n    for (;length > index; index++) {\n      value = mapping ? mapfn(O[index], index) : O[index];\n      createProperty(result, index, value);\n    }\n  }\n  result.length = index;\n  return result;\n};\n","var anObject = require('../internals/an-object');\n\n// call something on iterator step with safe closing on error\nmodule.exports = function (iterator, fn, value, ENTRIES) {\n  try {\n    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);\n  // 7.4.6 IteratorClose(iterator, completion)\n  } catch (error) {\n    var returnMethod = iterator['return'];\n    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));\n    throw error;\n  }\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\nvar Iterators = require('../internals/iterators');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar ArrayPrototype = Array.prototype;\n\n// check on default Array iterator\nmodule.exports = function (it) {\n  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);\n};\n","'use strict';\nvar toPrimitive = require('../internals/to-primitive');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = function (object, key, value) {\n  var propertyKey = toPrimitive(key);\n  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));\n  else object[propertyKey] = value;\n};\n","var classof = require('../internals/classof');\nvar Iterators = require('../internals/iterators');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\n\nmodule.exports = function (it) {\n  if (it != undefined) return it[ITERATOR]\n    || it['@@iterator']\n    || Iterators[classof(it)];\n};\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classofRaw = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n// ES3 wrong here\nvar CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n  try {\n    return it[key];\n  } catch (error) { /* empty */ }\n};\n\n// getting tag from ES6+ `Object.prototype.toString`\nmodule.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {\n  var O, tag, result;\n  return it === undefined ? 'Undefined' : it === null ? 'Null'\n    // @@toStringTag case\n    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag\n    // builtinTag case\n    : CORRECT_ARGUMENTS ? classofRaw(O)\n    // ES3 arguments fallback\n    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar test = {};\n\ntest[TO_STRING_TAG] = 'z';\n\nmodule.exports = String(test) === '[object z]';\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar SAFE_CLOSING = false;\n\ntry {\n  var called = 0;\n  var iteratorWithReturn = {\n    next: function () {\n      return { done: !!called++ };\n    },\n    'return': function () {\n      SAFE_CLOSING = true;\n    }\n  };\n  iteratorWithReturn[ITERATOR] = function () {\n    return this;\n  };\n  // eslint-disable-next-line no-throw-literal\n  Array.from(iteratorWithReturn, function () { throw 2; });\n} catch (error) { /* empty */ }\n\nmodule.exports = function (exec, SKIP_CLOSING) {\n  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;\n  var ITERATION_SUPPORT = false;\n  try {\n    var object = {};\n    object[ITERATOR] = function () {\n      return {\n        next: function () {\n          return { done: ITERATION_SUPPORT = true };\n        }\n      };\n    };\n    exec(object);\n  } catch (error) { /* empty */ }\n  return ITERATION_SUPPORT;\n};\n","require('../../modules/es.object.assign');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.assign;\n","var $ = require('../internals/export');\nvar assign = require('../internals/object-assign');\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\n$({ target: 'Object', stat: true, forced: Object.assign !== assign }, {\n  assign: assign\n});\n","'use strict';\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar toObject = require('../internals/to-object');\nvar IndexedObject = require('../internals/indexed-object');\n\nvar nativeAssign = Object.assign;\nvar defineProperty = Object.defineProperty;\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\nmodule.exports = !nativeAssign || fails(function () {\n  // should have correct order of operations (Edge bug)\n  if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {\n    enumerable: true,\n    get: function () {\n      defineProperty(this, 'b', {\n        value: 3,\n        enumerable: false\n      });\n    }\n  }), { b: 2 })).b !== 1) return true;\n  // should work with symbols and should have deterministic property order (V8 bug)\n  var A = {};\n  var B = {};\n  // eslint-disable-next-line no-undef\n  var symbol = Symbol();\n  var alphabet = 'abcdefghijklmnopqrst';\n  A[symbol] = 7;\n  alphabet.split('').forEach(function (chr) { B[chr] = chr; });\n  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;\n}) ? function assign(target, source) { // eslint-disable-line no-unused-vars\n  var T = toObject(target);\n  var argumentsLength = arguments.length;\n  var index = 1;\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  var propertyIsEnumerable = propertyIsEnumerableModule.f;\n  while (argumentsLength > index) {\n    var S = IndexedObject(arguments[index++]);\n    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);\n    var length = keys.length;\n    var j = 0;\n    var key;\n    while (length > j) {\n      key = keys[j++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(S, key)) T[key] = S[key];\n    }\n  } return T;\n} : nativeAssign;\n","require('../../modules/es.array.iterator');\nrequire('../../modules/es.object.from-entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.fromEntries;\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar Iterators = require('../internals/iterators');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar ARRAY_ITERATOR = 'Array Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);\n\n// `Array.prototype.entries` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.entries\n// `Array.prototype.keys` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.keys\n// `Array.prototype.values` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.values\n// `Array.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator\n// `CreateArrayIterator` internal method\n// https://tc39.github.io/ecma262/#sec-createarrayiterator\nmodule.exports = defineIterator(Array, 'Array', function (iterated, kind) {\n  setInternalState(this, {\n    type: ARRAY_ITERATOR,\n    target: toIndexedObject(iterated), // target\n    index: 0,                          // next index\n    kind: kind                         // kind\n  });\n// `%ArrayIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next\n}, function () {\n  var state = getInternalState(this);\n  var target = state.target;\n  var kind = state.kind;\n  var index = state.index++;\n  if (!target || index >= target.length) {\n    state.target = undefined;\n    return { value: undefined, done: true };\n  }\n  if (kind == 'keys') return { value: index, done: false };\n  if (kind == 'values') return { value: target[index], done: false };\n  return { value: [index, target[index]], done: false };\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values%\n// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject\n// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject\nIterators.Arguments = Iterators.Array;\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","var $ = require('../internals/export');\nvar iterate = require('../internals/iterate');\nvar createProperty = require('../internals/create-property');\n\n// `Object.fromEntries` method\n// https://github.com/tc39/proposal-object-from-entries\n$({ target: 'Object', stat: true }, {\n  fromEntries: function fromEntries(iterable) {\n    var obj = {};\n    iterate(iterable, function (k, v) {\n      createProperty(obj, k, v);\n    }, undefined, true);\n    return obj;\n  }\n});\n","var anObject = require('../internals/an-object');\nvar isArrayIteratorMethod = require('../internals/is-array-iterator-method');\nvar toLength = require('../internals/to-length');\nvar bind = require('../internals/function-bind-context');\nvar getIteratorMethod = require('../internals/get-iterator-method');\nvar callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');\n\nvar Result = function (stopped, result) {\n  this.stopped = stopped;\n  this.result = result;\n};\n\nvar iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {\n  var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);\n  var iterator, iterFn, index, length, result, next, step;\n\n  if (IS_ITERATOR) {\n    iterator = iterable;\n  } else {\n    iterFn = getIteratorMethod(iterable);\n    if (typeof iterFn != 'function') throw TypeError('Target is not iterable');\n    // optimisation for array iterators\n    if (isArrayIteratorMethod(iterFn)) {\n      for (index = 0, length = toLength(iterable.length); length > index; index++) {\n        result = AS_ENTRIES\n          ? boundFunction(anObject(step = iterable[index])[0], step[1])\n          : boundFunction(iterable[index]);\n        if (result && result instanceof Result) return result;\n      } return new Result(false);\n    }\n    iterator = iterFn.call(iterable);\n  }\n\n  next = iterator.next;\n  while (!(step = next.call(iterator)).done) {\n    result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);\n    if (typeof result == 'object' && result && result instanceof Result) return result;\n  } return new Result(false);\n};\n\niterate.stop = function (result) {\n  return new Result(true, result);\n};\n","require('../../modules/es.math.log2');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Math.log2;\n","var $ = require('../internals/export');\n\nvar log = Math.log;\nvar LN2 = Math.LN2;\n\n// `Math.log2` method\n// https://tc39.github.io/ecma262/#sec-math.log2\n$({ target: 'Math', stat: true }, {\n  log2: function log2(x) {\n    return log(x) / LN2;\n  }\n});\n","require('../../modules/es.number.is-nan');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isNaN;\n","var $ = require('../internals/export');\n\n// `Number.isNaN` method\n// https://tc39.github.io/ecma262/#sec-number.isnan\n$({ target: 'Number', stat: true }, {\n  isNaN: function isNaN(number) {\n    // eslint-disable-next-line no-self-compare\n    return number != number;\n  }\n});\n","require('../../modules/es.number.is-integer');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number.isInteger;\n","var $ = require('../internals/export');\nvar isInteger = require('../internals/is-integer');\n\n// `Number.isInteger` method\n// https://tc39.github.io/ecma262/#sec-number.isinteger\n$({ target: 'Number', stat: true }, {\n  isInteger: isInteger\n});\n","var isObject = require('../internals/is-object');\n\nvar floor = Math.floor;\n\n// `Number.isInteger` method implementation\n// https://tc39.github.io/ecma262/#sec-number.isinteger\nmodule.exports = function isInteger(it) {\n  return !isObject(it) && isFinite(it) && floor(it) === it;\n};\n","require('../../modules/es.typed-array.slice');\n","'use strict';\nvar ArrayBufferViewCore = require('../internals/array-buffer-view-core');\nvar speciesConstructor = require('../internals/species-constructor');\nvar fails = require('../internals/fails');\n\nvar aTypedArray = ArrayBufferViewCore.aTypedArray;\nvar aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;\nvar exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;\nvar $slice = [].slice;\n\nvar FORCED = fails(function () {\n  // eslint-disable-next-line no-undef\n  new Int8Array(1).slice();\n});\n\n// `%TypedArray%.prototype.slice` method\n// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice\nexportTypedArrayMethod('slice', function slice(start, end) {\n  var list = $slice.call(aTypedArray(this), start, end);\n  var C = speciesConstructor(this, this.constructor);\n  var index = 0;\n  var length = list.length;\n  var result = new (aTypedArrayConstructor(C))(length);\n  while (length > index) result[index] = list[index++];\n  return result;\n}, FORCED);\n","'use strict';\nvar NATIVE_ARRAY_BUFFER = require('../internals/array-buffer-native');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar classof = require('../internals/classof');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar defineProperty = require('../internals/object-define-property').f;\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar uid = require('../internals/uid');\n\nvar Int8Array = global.Int8Array;\nvar Int8ArrayPrototype = Int8Array && Int8Array.prototype;\nvar Uint8ClampedArray = global.Uint8ClampedArray;\nvar Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;\nvar TypedArray = Int8Array && getPrototypeOf(Int8Array);\nvar TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);\nvar ObjectPrototype = Object.prototype;\nvar isPrototypeOf = ObjectPrototype.isPrototypeOf;\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');\n// Fixing native typed arrays in Opera Presto crashes the browser, see #595\nvar NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';\nvar TYPED_ARRAY_TAG_REQIRED = false;\nvar NAME;\n\nvar TypedArrayConstructorsList = {\n  Int8Array: 1,\n  Uint8Array: 1,\n  Uint8ClampedArray: 1,\n  Int16Array: 2,\n  Uint16Array: 2,\n  Int32Array: 4,\n  Uint32Array: 4,\n  Float32Array: 4,\n  Float64Array: 8\n};\n\nvar isView = function isView(it) {\n  var klass = classof(it);\n  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);\n};\n\nvar isTypedArray = function (it) {\n  return isObject(it) && has(TypedArrayConstructorsList, classof(it));\n};\n\nvar aTypedArray = function (it) {\n  if (isTypedArray(it)) return it;\n  throw TypeError('Target is not a typed array');\n};\n\nvar aTypedArrayConstructor = function (C) {\n  if (setPrototypeOf) {\n    if (isPrototypeOf.call(TypedArray, C)) return C;\n  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME)) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {\n      return C;\n    }\n  } throw TypeError('Target is not a typed array constructor');\n};\n\nvar exportTypedArrayMethod = function (KEY, property, forced) {\n  if (!DESCRIPTORS) return;\n  if (forced) for (var ARRAY in TypedArrayConstructorsList) {\n    var TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {\n      delete TypedArrayConstructor.prototype[KEY];\n    }\n  }\n  if (!TypedArrayPrototype[KEY] || forced) {\n    redefine(TypedArrayPrototype, KEY, forced ? property\n      : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);\n  }\n};\n\nvar exportTypedArrayStaticMethod = function (KEY, property, forced) {\n  var ARRAY, TypedArrayConstructor;\n  if (!DESCRIPTORS) return;\n  if (setPrototypeOf) {\n    if (forced) for (ARRAY in TypedArrayConstructorsList) {\n      TypedArrayConstructor = global[ARRAY];\n      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {\n        delete TypedArrayConstructor[KEY];\n      }\n    }\n    if (!TypedArray[KEY] || forced) {\n      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable\n      try {\n        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);\n      } catch (error) { /* empty */ }\n    } else return;\n  }\n  for (ARRAY in TypedArrayConstructorsList) {\n    TypedArrayConstructor = global[ARRAY];\n    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {\n      redefine(TypedArrayConstructor, KEY, property);\n    }\n  }\n};\n\nfor (NAME in TypedArrayConstructorsList) {\n  if (!global[NAME]) NATIVE_ARRAY_BUFFER_VIEWS = false;\n}\n\n// WebKit bug - typed arrays constructors prototype is Object.prototype\nif (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {\n  // eslint-disable-next-line no-shadow\n  TypedArray = function TypedArray() {\n    throw TypeError('Incorrect invocation');\n  };\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME], TypedArray);\n  }\n}\n\nif (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {\n  TypedArrayPrototype = TypedArray.prototype;\n  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {\n    if (global[NAME]) setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);\n  }\n}\n\n// WebKit bug - one more object in Uint8ClampedArray prototype chain\nif (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {\n  setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);\n}\n\nif (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {\n  TYPED_ARRAY_TAG_REQIRED = true;\n  defineProperty(TypedArrayPrototype, TO_STRING_TAG, { get: function () {\n    return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;\n  } });\n  for (NAME in TypedArrayConstructorsList) if (global[NAME]) {\n    createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);\n  }\n}\n\nmodule.exports = {\n  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,\n  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,\n  aTypedArray: aTypedArray,\n  aTypedArrayConstructor: aTypedArrayConstructor,\n  exportTypedArrayMethod: exportTypedArrayMethod,\n  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,\n  isView: isView,\n  isTypedArray: isTypedArray,\n  TypedArray: TypedArray,\n  TypedArrayPrototype: TypedArrayPrototype\n};\n","module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';\n","var anObject = require('../internals/an-object');\nvar aFunction = require('../internals/a-function');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `SpeciesConstructor` abstract operation\n// https://tc39.github.io/ecma262/#sec-speciesconstructor\nmodule.exports = function (O, defaultConstructor) {\n  var C = anObject(O).constructor;\n  var S;\n  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);\n};\n","require('../../modules/es.map');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Map;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Map` constructor\n// https://tc39.github.io/ecma262/#sec-map-objects\nmodule.exports = collection('Map', function (init) {\n  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar redefine = require('../internals/redefine');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar iterate = require('../internals/iterate');\nvar anInstance = require('../internals/an-instance');\nvar isObject = require('../internals/is-object');\nvar fails = require('../internals/fails');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar inheritIfRequired = require('../internals/inherit-if-required');\n\nmodule.exports = function (CONSTRUCTOR_NAME, wrapper, common) {\n  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;\n  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;\n  var ADDER = IS_MAP ? 'set' : 'add';\n  var NativeConstructor = global[CONSTRUCTOR_NAME];\n  var NativePrototype = NativeConstructor && NativeConstructor.prototype;\n  var Constructor = NativeConstructor;\n  var exported = {};\n\n  var fixMethod = function (KEY) {\n    var nativeMethod = NativePrototype[KEY];\n    redefine(NativePrototype, KEY,\n      KEY == 'add' ? function add(value) {\n        nativeMethod.call(this, value === 0 ? 0 : value);\n        return this;\n      } : KEY == 'delete' ? function (key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'get' ? function get(key) {\n        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : KEY == 'has' ? function has(key) {\n        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n      } : function set(key, value) {\n        nativeMethod.call(this, key === 0 ? 0 : key, value);\n        return this;\n      }\n    );\n  };\n\n  // eslint-disable-next-line max-len\n  if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {\n    new NativeConstructor().entries().next();\n  })))) {\n    // create collection constructor\n    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);\n    InternalMetadataModule.REQUIRED = true;\n  } else if (isForced(CONSTRUCTOR_NAME, true)) {\n    var instance = new Constructor();\n    // early implementations not supports chaining\n    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n    // most early implementations doesn't supports iterables, most modern - not close it correctly\n    // eslint-disable-next-line no-new\n    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });\n    // for early implementations -0 and +0 not the same\n    var BUGGY_ZERO = !IS_WEAK && fails(function () {\n      // V8 ~ Chromium 42- fails only with 5+ elements\n      var $instance = new NativeConstructor();\n      var index = 5;\n      while (index--) $instance[ADDER](index, index);\n      return !$instance.has(-0);\n    });\n\n    if (!ACCEPT_ITERABLES) {\n      Constructor = wrapper(function (dummy, iterable) {\n        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);\n        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);\n        if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n        return that;\n      });\n      Constructor.prototype = NativePrototype;\n      NativePrototype.constructor = Constructor;\n    }\n\n    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n      fixMethod('delete');\n      fixMethod('has');\n      IS_MAP && fixMethod('get');\n    }\n\n    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n\n    // weak collections should not contains .clear method\n    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;\n  }\n\n  exported[CONSTRUCTOR_NAME] = Constructor;\n  $({ global: true, forced: Constructor != NativeConstructor }, exported);\n\n  setToStringTag(Constructor, CONSTRUCTOR_NAME);\n\n  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);\n\n  return Constructor;\n};\n","var hiddenKeys = require('../internals/hidden-keys');\nvar isObject = require('../internals/is-object');\nvar has = require('../internals/has');\nvar defineProperty = require('../internals/object-define-property').f;\nvar uid = require('../internals/uid');\nvar FREEZING = require('../internals/freezing');\n\nvar METADATA = uid('meta');\nvar id = 0;\n\nvar isExtensible = Object.isExtensible || function () {\n  return true;\n};\n\nvar setMetadata = function (it) {\n  defineProperty(it, METADATA, { value: {\n    objectID: 'O' + ++id, // object ID\n    weakData: {}          // weak collections IDs\n  } });\n};\n\nvar fastKey = function (it, create) {\n  // return a primitive with prefix\n  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return 'F';\n    // not necessary to add metadata\n    if (!create) return 'E';\n    // add missing metadata\n    setMetadata(it);\n  // return object ID\n  } return it[METADATA].objectID;\n};\n\nvar getWeakData = function (it, create) {\n  if (!has(it, METADATA)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return true;\n    // not necessary to add metadata\n    if (!create) return false;\n    // add missing metadata\n    setMetadata(it);\n  // return the store of weak collections IDs\n  } return it[METADATA].weakData;\n};\n\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n  if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);\n  return it;\n};\n\nvar meta = module.exports = {\n  REQUIRED: false,\n  fastKey: fastKey,\n  getWeakData: getWeakData,\n  onFreeze: onFreeze\n};\n\nhiddenKeys[METADATA] = true;\n","var fails = require('../internals/fails');\n\nmodule.exports = !fails(function () {\n  return Object.isExtensible(Object.preventExtensions({}));\n});\n","module.exports = function (it, Constructor, name) {\n  if (!(it instanceof Constructor)) {\n    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');\n  } return it;\n};\n","var isObject = require('../internals/is-object');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\n// makes subclassing work correct for wrapped built-ins\nmodule.exports = function ($this, dummy, Wrapper) {\n  var NewTarget, NewTargetPrototype;\n  if (\n    // it can work only with native `setPrototypeOf`\n    setPrototypeOf &&\n    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this\n    typeof (NewTarget = dummy.constructor) == 'function' &&\n    NewTarget !== Wrapper &&\n    isObject(NewTargetPrototype = NewTarget.prototype) &&\n    NewTargetPrototype !== Wrapper.prototype\n  ) setPrototypeOf($this, NewTargetPrototype);\n  return $this;\n};\n","'use strict';\nvar defineProperty = require('../internals/object-define-property').f;\nvar create = require('../internals/object-create');\nvar redefineAll = require('../internals/redefine-all');\nvar bind = require('../internals/function-bind-context');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar defineIterator = require('../internals/define-iterator');\nvar setSpecies = require('../internals/set-species');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fastKey = require('../internals/internal-metadata').fastKey;\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        index: create(null),\n        first: undefined,\n        last: undefined,\n        size: 0\n      });\n      if (!DESCRIPTORS) that.size = 0;\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var entry = getEntry(that, key);\n      var previous, index;\n      // change existing entry\n      if (entry) {\n        entry.value = value;\n      // create new entry\n      } else {\n        state.last = entry = {\n          index: index = fastKey(key, true),\n          key: key,\n          value: value,\n          previous: previous = state.last,\n          next: undefined,\n          removed: false\n        };\n        if (!state.first) state.first = entry;\n        if (previous) previous.next = entry;\n        if (DESCRIPTORS) state.size++;\n        else that.size++;\n        // add to index\n        if (index !== 'F') state.index[index] = entry;\n      } return that;\n    };\n\n    var getEntry = function (that, key) {\n      var state = getInternalState(that);\n      // fast case\n      var index = fastKey(key);\n      var entry;\n      if (index !== 'F') return state.index[index];\n      // frozen object case\n      for (entry = state.first; entry; entry = entry.next) {\n        if (entry.key == key) return entry;\n      }\n    };\n\n    redefineAll(C.prototype, {\n      // 23.1.3.1 Map.prototype.clear()\n      // 23.2.3.2 Set.prototype.clear()\n      clear: function clear() {\n        var that = this;\n        var state = getInternalState(that);\n        var data = state.index;\n        var entry = state.first;\n        while (entry) {\n          entry.removed = true;\n          if (entry.previous) entry.previous = entry.previous.next = undefined;\n          delete data[entry.index];\n          entry = entry.next;\n        }\n        state.first = state.last = undefined;\n        if (DESCRIPTORS) state.size = 0;\n        else that.size = 0;\n      },\n      // 23.1.3.3 Map.prototype.delete(key)\n      // 23.2.3.4 Set.prototype.delete(value)\n      'delete': function (key) {\n        var that = this;\n        var state = getInternalState(that);\n        var entry = getEntry(that, key);\n        if (entry) {\n          var next = entry.next;\n          var prev = entry.previous;\n          delete state.index[entry.index];\n          entry.removed = true;\n          if (prev) prev.next = next;\n          if (next) next.previous = prev;\n          if (state.first == entry) state.first = next;\n          if (state.last == entry) state.last = prev;\n          if (DESCRIPTORS) state.size--;\n          else that.size--;\n        } return !!entry;\n      },\n      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)\n      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)\n      forEach: function forEach(callbackfn /* , that = undefined */) {\n        var state = getInternalState(this);\n        var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);\n        var entry;\n        while (entry = entry ? entry.next : state.first) {\n          boundFunction(entry.value, entry.key, this);\n          // revert to the last existing entry\n          while (entry && entry.removed) entry = entry.previous;\n        }\n      },\n      // 23.1.3.7 Map.prototype.has(key)\n      // 23.2.3.7 Set.prototype.has(value)\n      has: function has(key) {\n        return !!getEntry(this, key);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.1.3.6 Map.prototype.get(key)\n      get: function get(key) {\n        var entry = getEntry(this, key);\n        return entry && entry.value;\n      },\n      // 23.1.3.9 Map.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key === 0 ? 0 : key, value);\n      }\n    } : {\n      // 23.2.3.1 Set.prototype.add(value)\n      add: function add(value) {\n        return define(this, value = value === 0 ? 0 : value, value);\n      }\n    });\n    if (DESCRIPTORS) defineProperty(C.prototype, 'size', {\n      get: function () {\n        return getInternalState(this).size;\n      }\n    });\n    return C;\n  },\n  setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {\n    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';\n    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);\n    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);\n    // add .keys, .values, .entries, [@@iterator]\n    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11\n    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {\n      setInternalState(this, {\n        type: ITERATOR_NAME,\n        target: iterated,\n        state: getInternalCollectionState(iterated),\n        kind: kind,\n        last: undefined\n      });\n    }, function () {\n      var state = getInternalIteratorState(this);\n      var kind = state.kind;\n      var entry = state.last;\n      // revert to the last existing entry\n      while (entry && entry.removed) entry = entry.previous;\n      // get next entry\n      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {\n        // or finish the iteration\n        state.target = undefined;\n        return { value: undefined, done: true };\n      }\n      // return step by kind\n      if (kind == 'keys') return { value: entry.key, done: false };\n      if (kind == 'values') return { value: entry.value, done: false };\n      return { value: [entry.key, entry.value], done: false };\n    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);\n\n    // add [@@species], 23.1.2.2, 23.2.2.2\n    setSpecies(CONSTRUCTOR_NAME);\n  }\n};\n","var redefine = require('../internals/redefine');\n\nmodule.exports = function (target, src, options) {\n  for (var key in src) redefine(target, key, src[key], options);\n  return target;\n};\n","'use strict';\nvar getBuiltIn = require('../internals/get-built-in');\nvar definePropertyModule = require('../internals/object-define-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar DESCRIPTORS = require('../internals/descriptors');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (CONSTRUCTOR_NAME) {\n  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);\n  var defineProperty = definePropertyModule.f;\n\n  if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {\n    defineProperty(Constructor, SPECIES, {\n      configurable: true,\n      get: function () { return this; }\n    });\n  }\n};\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar redefine = require('../internals/redefine');\nvar toString = require('../internals/object-to-string');\n\n// `Object.prototype.toString` method\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nif (!TO_STRING_TAG_SUPPORT) {\n  redefine(Object.prototype, 'toString', toString, { unsafe: true });\n}\n","'use strict';\nvar TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classof = require('../internals/classof');\n\n// `Object.prototype.toString` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.tostring\nmodule.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {\n  return '[object ' + classof(this) + ']';\n};\n","var global = require('../internals/global');\nvar DOMIterables = require('../internals/dom-iterables');\nvar ArrayIteratorMethods = require('../modules/es.array.iterator');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar ArrayValues = ArrayIteratorMethods.values;\n\nfor (var COLLECTION_NAME in DOMIterables) {\n  var Collection = global[COLLECTION_NAME];\n  var CollectionPrototype = Collection && Collection.prototype;\n  if (CollectionPrototype) {\n    // some Chrome versions have non-configurable methods on DOMTokenList\n    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {\n      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);\n    } catch (error) {\n      CollectionPrototype[ITERATOR] = ArrayValues;\n    }\n    if (!CollectionPrototype[TO_STRING_TAG]) {\n      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);\n    }\n    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {\n      // some Chrome versions have non-configurable methods on DOMTokenList\n      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {\n        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);\n      } catch (error) {\n        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];\n      }\n    }\n  }\n}\n","// iterable DOM collections\n// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods\nmodule.exports = {\n  CSSRuleList: 0,\n  CSSStyleDeclaration: 0,\n  CSSValueList: 0,\n  ClientRectList: 0,\n  DOMRectList: 0,\n  DOMStringList: 0,\n  DOMTokenList: 1,\n  DataTransferItemList: 0,\n  FileList: 0,\n  HTMLAllCollection: 0,\n  HTMLCollection: 0,\n  HTMLFormElement: 0,\n  HTMLSelectElement: 0,\n  MediaList: 0,\n  MimeTypeArray: 0,\n  NamedNodeMap: 0,\n  NodeList: 1,\n  PaintRequestList: 0,\n  Plugin: 0,\n  PluginArray: 0,\n  SVGLengthList: 0,\n  SVGNumberList: 0,\n  SVGPathSegList: 0,\n  SVGPointList: 0,\n  SVGStringList: 0,\n  SVGTransformList: 0,\n  SourceBufferList: 0,\n  StyleSheetList: 0,\n  TextTrackCueList: 0,\n  TextTrackList: 0,\n  TouchList: 0\n};\n","require('../../modules/es.set');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.string.iterator');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Set;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Set` constructor\n// https://tc39.github.io/ecma262/#sec-set-objects\nmodule.exports = collection('Set', function (init) {\n  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-map');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakMap;\n","'use strict';\nvar global = require('../internals/global');\nvar redefineAll = require('../internals/redefine-all');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\nvar isObject = require('../internals/is-object');\nvar enforceIternalState = require('../internals/internal-state').enforce;\nvar NATIVE_WEAK_MAP = require('../internals/native-weak-map');\n\nvar IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;\nvar isExtensible = Object.isExtensible;\nvar InternalWeakMap;\n\nvar wrapper = function (init) {\n  return function WeakMap() {\n    return init(this, arguments.length ? arguments[0] : undefined);\n  };\n};\n\n// `WeakMap` constructor\n// https://tc39.github.io/ecma262/#sec-weakmap-constructor\nvar $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);\n\n// IE11 WeakMap frozen keys fix\n// We can't use feature detection because it crash some old IE builds\n// https://github.com/zloirock/core-js/issues/485\nif (NATIVE_WEAK_MAP && IS_IE11) {\n  InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);\n  InternalMetadataModule.REQUIRED = true;\n  var WeakMapPrototype = $WeakMap.prototype;\n  var nativeDelete = WeakMapPrototype['delete'];\n  var nativeHas = WeakMapPrototype.has;\n  var nativeGet = WeakMapPrototype.get;\n  var nativeSet = WeakMapPrototype.set;\n  redefineAll(WeakMapPrototype, {\n    'delete': function (key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeDelete.call(this, key) || state.frozen['delete'](key);\n      } return nativeDelete.call(this, key);\n    },\n    has: function has(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) || state.frozen.has(key);\n      } return nativeHas.call(this, key);\n    },\n    get: function get(key) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);\n      } return nativeGet.call(this, key);\n    },\n    set: function set(key, value) {\n      if (isObject(key) && !isExtensible(key)) {\n        var state = enforceIternalState(this);\n        if (!state.frozen) state.frozen = new InternalWeakMap();\n        nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);\n      } else nativeSet.call(this, key, value);\n      return this;\n    }\n  });\n}\n","'use strict';\nvar redefineAll = require('../internals/redefine-all');\nvar getWeakData = require('../internals/internal-metadata').getWeakData;\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar ArrayIterationModule = require('../internals/array-iteration');\nvar $has = require('../internals/has');\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\nvar find = ArrayIterationModule.find;\nvar findIndex = ArrayIterationModule.findIndex;\nvar id = 0;\n\n// fallback for uncaught frozen keys\nvar uncaughtFrozenStore = function (store) {\n  return store.frozen || (store.frozen = new UncaughtFrozenStore());\n};\n\nvar UncaughtFrozenStore = function () {\n  this.entries = [];\n};\n\nvar findUncaughtFrozen = function (store, key) {\n  return find(store.entries, function (it) {\n    return it[0] === key;\n  });\n};\n\nUncaughtFrozenStore.prototype = {\n  get: function (key) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) return entry[1];\n  },\n  has: function (key) {\n    return !!findUncaughtFrozen(this, key);\n  },\n  set: function (key, value) {\n    var entry = findUncaughtFrozen(this, key);\n    if (entry) entry[1] = value;\n    else this.entries.push([key, value]);\n  },\n  'delete': function (key) {\n    var index = findIndex(this.entries, function (it) {\n      return it[0] === key;\n    });\n    if (~index) this.entries.splice(index, 1);\n    return !!~index;\n  }\n};\n\nmodule.exports = {\n  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n    var C = wrapper(function (that, iterable) {\n      anInstance(that, C, CONSTRUCTOR_NAME);\n      setInternalState(that, {\n        type: CONSTRUCTOR_NAME,\n        id: id++,\n        frozen: undefined\n      });\n      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n    });\n\n    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n    var define = function (that, key, value) {\n      var state = getInternalState(that);\n      var data = getWeakData(anObject(key), true);\n      if (data === true) uncaughtFrozenStore(state).set(key, value);\n      else data[state.id] = value;\n      return that;\n    };\n\n    redefineAll(C.prototype, {\n      // 23.3.3.2 WeakMap.prototype.delete(key)\n      // 23.4.3.3 WeakSet.prototype.delete(value)\n      'delete': function (key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state)['delete'](key);\n        return data && $has(data, state.id) && delete data[state.id];\n      },\n      // 23.3.3.4 WeakMap.prototype.has(key)\n      // 23.4.3.4 WeakSet.prototype.has(value)\n      has: function has(key) {\n        var state = getInternalState(this);\n        if (!isObject(key)) return false;\n        var data = getWeakData(key);\n        if (data === true) return uncaughtFrozenStore(state).has(key);\n        return data && $has(data, state.id);\n      }\n    });\n\n    redefineAll(C.prototype, IS_MAP ? {\n      // 23.3.3.3 WeakMap.prototype.get(key)\n      get: function get(key) {\n        var state = getInternalState(this);\n        if (isObject(key)) {\n          var data = getWeakData(key);\n          if (data === true) return uncaughtFrozenStore(state).get(key);\n          return data ? data[state.id] : undefined;\n        }\n      },\n      // 23.3.3.5 WeakMap.prototype.set(key, value)\n      set: function set(key, value) {\n        return define(this, key, value);\n      }\n    } : {\n      // 23.4.3.1 WeakSet.prototype.add(value)\n      add: function add(value) {\n        return define(this, value, true);\n      }\n    });\n\n    return C;\n  }\n};\n","var bind = require('../internals/function-bind-context');\nvar IndexedObject = require('../internals/indexed-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar arraySpeciesCreate = require('../internals/array-species-create');\n\nvar push = [].push;\n\n// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation\nvar createMethod = function (TYPE) {\n  var IS_MAP = TYPE == 1;\n  var IS_FILTER = TYPE == 2;\n  var IS_SOME = TYPE == 3;\n  var IS_EVERY = TYPE == 4;\n  var IS_FIND_INDEX = TYPE == 6;\n  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;\n  return function ($this, callbackfn, that, specificCreate) {\n    var O = toObject($this);\n    var self = IndexedObject(O);\n    var boundFunction = bind(callbackfn, that, 3);\n    var length = toLength(self.length);\n    var index = 0;\n    var create = specificCreate || arraySpeciesCreate;\n    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;\n    var value, result;\n    for (;length > index; index++) if (NO_HOLES || index in self) {\n      value = self[index];\n      result = boundFunction(value, index, O);\n      if (TYPE) {\n        if (IS_MAP) target[index] = result; // map\n        else if (result) switch (TYPE) {\n          case 3: return true;              // some\n          case 5: return value;             // find\n          case 6: return index;             // findIndex\n          case 2: push.call(target, value); // filter\n        } else if (IS_EVERY) return false;  // every\n      }\n    }\n    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;\n  };\n};\n\nmodule.exports = {\n  // `Array.prototype.forEach` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach\n  forEach: createMethod(0),\n  // `Array.prototype.map` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.map\n  map: createMethod(1),\n  // `Array.prototype.filter` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.filter\n  filter: createMethod(2),\n  // `Array.prototype.some` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.some\n  some: createMethod(3),\n  // `Array.prototype.every` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.every\n  every: createMethod(4),\n  // `Array.prototype.find` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.find\n  find: createMethod(5),\n  // `Array.prototype.findIndex` method\n  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex\n  findIndex: createMethod(6)\n};\n","var isObject = require('../internals/is-object');\nvar isArray = require('../internals/is-array');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `ArraySpeciesCreate` abstract operation\n// https://tc39.github.io/ecma262/#sec-arrayspeciescreate\nmodule.exports = function (originalArray, length) {\n  var C;\n  if (isArray(originalArray)) {\n    C = originalArray.constructor;\n    // cross-realm fallback\n    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;\n    else if (isObject(C)) {\n      C = C[SPECIES];\n      if (C === null) C = undefined;\n    }\n  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);\n};\n","var classof = require('../internals/classof-raw');\n\n// `IsArray` abstract operation\n// https://tc39.github.io/ecma262/#sec-isarray\nmodule.exports = Array.isArray || function isArray(arg) {\n  return classof(arg) == 'Array';\n};\n","require('../../modules/es.object.to-string');\nrequire('../../modules/es.weak-set');\nrequire('../../modules/web.dom-collections.iterator');\nvar path = require('../../internals/path');\n\nmodule.exports = path.WeakSet;\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\n\n// `WeakSet` constructor\n// https://tc39.github.io/ecma262/#sec-weakset-constructor\ncollection('WeakSet', function (init) {\n  return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionWeak);\n","require('../../modules/es.string.code-point-at');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'codePointAt');\n","'use strict';\nvar $ = require('../internals/export');\nvar codeAt = require('../internals/string-multibyte').codeAt;\n\n// `String.prototype.codePointAt` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n$({ target: 'String', proto: true }, {\n  codePointAt: function codePointAt(pos) {\n    return codeAt(this, pos);\n  }\n});\n","require('../../modules/es.string.from-code-point');\nvar path = require('../../internals/path');\n\nmodule.exports = path.String.fromCodePoint;\n","var $ = require('../internals/export');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\nvar fromCharCode = String.fromCharCode;\nvar nativeFromCodePoint = String.fromCodePoint;\n\n// length should be 1, old FF problem\nvar INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;\n\n// `String.fromCodePoint` method\n// https://tc39.github.io/ecma262/#sec-string.fromcodepoint\n$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {\n  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars\n    var elements = [];\n    var length = arguments.length;\n    var i = 0;\n    var code;\n    while (length > i) {\n      code = +arguments[i++];\n      if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');\n      elements.push(code < 0x10000\n        ? fromCharCode(code)\n        : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)\n      );\n    } return elements.join('');\n  }\n});\n","require('../../modules/es.array.concat');\nrequire('../../modules/es.object.to-string');\nrequire('../../modules/es.symbol');\nrequire('../../modules/es.symbol.async-iterator');\nrequire('../../modules/es.symbol.description');\nrequire('../../modules/es.symbol.has-instance');\nrequire('../../modules/es.symbol.is-concat-spreadable');\nrequire('../../modules/es.symbol.iterator');\nrequire('../../modules/es.symbol.match');\nrequire('../../modules/es.symbol.match-all');\nrequire('../../modules/es.symbol.replace');\nrequire('../../modules/es.symbol.search');\nrequire('../../modules/es.symbol.species');\nrequire('../../modules/es.symbol.split');\nrequire('../../modules/es.symbol.to-primitive');\nrequire('../../modules/es.symbol.to-string-tag');\nrequire('../../modules/es.symbol.unscopables');\nrequire('../../modules/es.math.to-string-tag');\nrequire('../../modules/es.json.to-string-tag');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Symbol;\n","'use strict';\nvar $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar arraySpeciesCreate = require('../internals/array-species-create');\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');\nvar MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;\nvar MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';\n\n// We can't use this feature detection in V8 since it causes\n// deoptimization and serious performance degradation\n// https://github.com/zloirock/core-js/issues/679\nvar IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {\n  var array = [];\n  array[IS_CONCAT_SPREADABLE] = false;\n  return array.concat()[0] !== array;\n});\n\nvar SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');\n\nvar isConcatSpreadable = function (O) {\n  if (!isObject(O)) return false;\n  var spreadable = O[IS_CONCAT_SPREADABLE];\n  return spreadable !== undefined ? !!spreadable : isArray(O);\n};\n\nvar FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;\n\n// `Array.prototype.concat` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.concat\n// with adding support of @@isConcatSpreadable and @@species\n$({ target: 'Array', proto: true, forced: FORCED }, {\n  concat: function concat(arg) { // eslint-disable-line no-unused-vars\n    var O = toObject(this);\n    var A = arraySpeciesCreate(O, 0);\n    var n = 0;\n    var i, k, length, len, E;\n    for (i = -1, length = arguments.length; i < length; i++) {\n      E = i === -1 ? O : arguments[i];\n      if (isConcatSpreadable(E)) {\n        len = toLength(E.length);\n        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);\n      } else {\n        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        createProperty(A, n++, E);\n      }\n    }\n    A.length = n;\n    return A;\n  }\n});\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (METHOD_NAME) {\n  // We can't use this feature detection in V8 since it causes\n  // deoptimization and serious performance degradation\n  // https://github.com/zloirock/core-js/issues/677\n  return V8_VERSION >= 51 || !fails(function () {\n    var array = [];\n    var constructor = array.constructor = {};\n    constructor[SPECIES] = function () {\n      return { foo: 1 };\n    };\n    return array[METHOD_NAME](Boolean).foo !== 1;\n  });\n};\n","var global = require('../internals/global');\nvar userAgent = require('../internals/engine-user-agent');\n\nvar process = global.process;\nvar versions = process && process.versions;\nvar v8 = versions && versions.v8;\nvar match, version;\n\nif (v8) {\n  match = v8.split('.');\n  version = match[0] + match[1];\n} else if (userAgent) {\n  match = userAgent.match(/Edge\\/(\\d+)/);\n  if (!match || match[1] >= 74) {\n    match = userAgent.match(/Chrome\\/(\\d+)/);\n    if (match) version = match[1];\n  }\n}\n\nmodule.exports = version && +version;\n","var getBuiltIn = require('../internals/get-built-in');\n\nmodule.exports = getBuiltIn('navigator', 'userAgent') || '';\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar getBuiltIn = require('../internals/get-built-in');\nvar IS_PURE = require('../internals/is-pure');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar anObject = require('../internals/an-object');\nvar toObject = require('../internals/to-object');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar nativeObjectCreate = require('../internals/object-create');\nvar objectKeys = require('../internals/object-keys');\nvar getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');\nvar getOwnPropertyNamesExternal = require('../internals/object-get-own-property-names-external');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar shared = require('../internals/shared');\nvar sharedKey = require('../internals/shared-key');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar uid = require('../internals/uid');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineWellKnownSymbol = require('../internals/define-well-known-symbol');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar InternalStateModule = require('../internals/internal-state');\nvar $forEach = require('../internals/array-iteration').forEach;\n\nvar HIDDEN = sharedKey('hidden');\nvar SYMBOL = 'Symbol';\nvar PROTOTYPE = 'prototype';\nvar TO_PRIMITIVE = wellKnownSymbol('toPrimitive');\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(SYMBOL);\nvar ObjectPrototype = Object[PROTOTYPE];\nvar $Symbol = global.Symbol;\nvar $stringify = getBuiltIn('JSON', 'stringify');\nvar nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\nvar nativeDefineProperty = definePropertyModule.f;\nvar nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;\nvar nativePropertyIsEnumerable = propertyIsEnumerableModule.f;\nvar AllSymbols = shared('symbols');\nvar ObjectPrototypeSymbols = shared('op-symbols');\nvar StringToSymbolRegistry = shared('string-to-symbol-registry');\nvar SymbolToStringRegistry = shared('symbol-to-string-registry');\nvar WellKnownSymbolsStore = shared('wks');\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDescriptor = DESCRIPTORS && fails(function () {\n  return nativeObjectCreate(nativeDefineProperty({}, 'a', {\n    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }\n  })).a != 7;\n}) ? function (O, P, Attributes) {\n  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);\n  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];\n  nativeDefineProperty(O, P, Attributes);\n  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {\n    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);\n  }\n} : nativeDefineProperty;\n\nvar wrap = function (tag, description) {\n  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);\n  setInternalState(symbol, {\n    type: SYMBOL,\n    tag: tag,\n    description: description\n  });\n  if (!DESCRIPTORS) symbol.description = description;\n  return symbol;\n};\n\nvar isSymbol = USE_SYMBOL_AS_UID ? function (it) {\n  return typeof it == 'symbol';\n} : function (it) {\n  return Object(it) instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(O, P, Attributes) {\n  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);\n  anObject(O);\n  var key = toPrimitive(P, true);\n  anObject(Attributes);\n  if (has(AllSymbols, key)) {\n    if (!Attributes.enumerable) {\n      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));\n      O[HIDDEN][key] = true;\n    } else {\n      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;\n      Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });\n    } return setSymbolDescriptor(O, key, Attributes);\n  } return nativeDefineProperty(O, key, Attributes);\n};\n\nvar $defineProperties = function defineProperties(O, Properties) {\n  anObject(O);\n  var properties = toIndexedObject(Properties);\n  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));\n  $forEach(keys, function (key) {\n    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);\n  });\n  return O;\n};\n\nvar $create = function create(O, Properties) {\n  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);\n};\n\nvar $propertyIsEnumerable = function propertyIsEnumerable(V) {\n  var P = toPrimitive(V, true);\n  var enumerable = nativePropertyIsEnumerable.call(this, P);\n  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;\n  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;\n};\n\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {\n  var it = toIndexedObject(O);\n  var key = toPrimitive(P, true);\n  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;\n  var descriptor = nativeGetOwnPropertyDescriptor(it, key);\n  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {\n    descriptor.enumerable = true;\n  }\n  return descriptor;\n};\n\nvar $getOwnPropertyNames = function getOwnPropertyNames(O) {\n  var names = nativeGetOwnPropertyNames(toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);\n  });\n  return result;\n};\n\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(O) {\n  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;\n  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));\n  var result = [];\n  $forEach(names, function (key) {\n    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {\n      result.push(AllSymbols[key]);\n    }\n  });\n  return result;\n};\n\n// `Symbol` constructor\n// https://tc39.github.io/ecma262/#sec-symbol-constructor\nif (!NATIVE_SYMBOL) {\n  $Symbol = function Symbol() {\n    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');\n    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var tag = uid(description);\n    var setter = function (value) {\n      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);\n      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));\n    };\n    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });\n    return wrap(tag, description);\n  };\n\n  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n    return getInternalState(this).tag;\n  });\n\n  redefine($Symbol, 'withoutSetter', function (description) {\n    return wrap(uid(description), description);\n  });\n\n  propertyIsEnumerableModule.f = $propertyIsEnumerable;\n  definePropertyModule.f = $defineProperty;\n  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;\n  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;\n  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;\n\n  wrappedWellKnownSymbolModule.f = function (name) {\n    return wrap(wellKnownSymbol(name), name);\n  };\n\n  if (DESCRIPTORS) {\n    // https://github.com/tc39/proposal-Symbol-description\n    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {\n      configurable: true,\n      get: function description() {\n        return getInternalState(this).description;\n      }\n    });\n    if (!IS_PURE) {\n      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });\n    }\n  }\n}\n\n$({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, {\n  Symbol: $Symbol\n});\n\n$forEach(objectKeys(WellKnownSymbolsStore), function (name) {\n  defineWellKnownSymbol(name);\n});\n\n$({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Symbol.for` method\n  // https://tc39.github.io/ecma262/#sec-symbol.for\n  'for': function (key) {\n    var string = String(key);\n    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];\n    var symbol = $Symbol(string);\n    StringToSymbolRegistry[string] = symbol;\n    SymbolToStringRegistry[symbol] = string;\n    return symbol;\n  },\n  // `Symbol.keyFor` method\n  // https://tc39.github.io/ecma262/#sec-symbol.keyfor\n  keyFor: function keyFor(sym) {\n    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');\n    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];\n  },\n  useSetter: function () { USE_SETTER = true; },\n  useSimple: function () { USE_SETTER = false; }\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {\n  // `Object.create` method\n  // https://tc39.github.io/ecma262/#sec-object.create\n  create: $create,\n  // `Object.defineProperty` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperty\n  defineProperty: $defineProperty,\n  // `Object.defineProperties` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperties\n  defineProperties: $defineProperties,\n  // `Object.getOwnPropertyDescriptor` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor\n});\n\n$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Object.getOwnPropertyNames` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // `Object.getOwnPropertySymbols` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives\n// https://bugs.chromium.org/p/v8/issues/detail?id=3443\n$({ target: 'Object', stat: true, forced: fails(function () { getOwnPropertySymbolsModule.f(1); }) }, {\n  getOwnPropertySymbols: function getOwnPropertySymbols(it) {\n    return getOwnPropertySymbolsModule.f(toObject(it));\n  }\n});\n\n// `JSON.stringify` method behavior with symbols\n// https://tc39.github.io/ecma262/#sec-json.stringify\nif ($stringify) {\n  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {\n    var symbol = $Symbol();\n    // MS Edge converts symbol values to JSON as {}\n    return $stringify([symbol]) != '[null]'\n      // WebKit converts symbol values to JSON as null\n      || $stringify({ a: symbol }) != '{}'\n      // V8 throws on boxed symbols\n      || $stringify(Object(symbol)) != '{}';\n  });\n\n  $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {\n    // eslint-disable-next-line no-unused-vars\n    stringify: function stringify(it, replacer, space) {\n      var args = [it];\n      var index = 1;\n      var $replacer;\n      while (arguments.length > index) args.push(arguments[index++]);\n      $replacer = replacer;\n      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n      if (!isArray(replacer)) replacer = function (key, value) {\n        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n        if (!isSymbol(value)) return value;\n      };\n      args[1] = replacer;\n      return $stringify.apply(null, args);\n    }\n  });\n}\n\n// `Symbol.prototype[@@toPrimitive]` method\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive\nif (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {\n  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n}\n// `Symbol.prototype[@@toStringTag]` property\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag\nsetToStringTag($Symbol, SYMBOL);\n\nhiddenKeys[HIDDEN] = true;\n","var toIndexedObject = require('../internals/to-indexed-object');\nvar nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names').f;\n\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n  try {\n    return nativeGetOwnPropertyNames(it);\n  } catch (error) {\n    return windowNames.slice();\n  }\n};\n\n// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nmodule.exports.f = function getOwnPropertyNames(it) {\n  return windowNames && toString.call(it) == '[object Window]'\n    ? getWindowNames(it)\n    : nativeGetOwnPropertyNames(toIndexedObject(it));\n};\n","var wellKnownSymbol = require('../internals/well-known-symbol');\n\nexports.f = wellKnownSymbol;\n","var path = require('../internals/path');\nvar has = require('../internals/has');\nvar wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');\nvar defineProperty = require('../internals/object-define-property').f;\n\nmodule.exports = function (NAME) {\n  var Symbol = path.Symbol || (path.Symbol = {});\n  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {\n    value: wrappedWellKnownSymbolModule.f(NAME)\n  });\n};\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.asyncIterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.asynciterator\ndefineWellKnownSymbol('asyncIterator');\n","// `Symbol.prototype.description` getter\n// https://tc39.github.io/ecma262/#sec-symbol.prototype.description\n'use strict';\nvar $ = require('../internals/export');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar has = require('../internals/has');\nvar isObject = require('../internals/is-object');\nvar defineProperty = require('../internals/object-define-property').f;\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\n\nvar NativeSymbol = global.Symbol;\n\nif (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||\n  // Safari 12 bug\n  NativeSymbol().description !== undefined\n)) {\n  var EmptyStringDescriptionStore = {};\n  // wrap Symbol constructor for correct work with undefined description\n  var SymbolWrapper = function Symbol() {\n    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var result = this instanceof SymbolWrapper\n      ? new NativeSymbol(description)\n      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'\n      : description === undefined ? NativeSymbol() : NativeSymbol(description);\n    if (description === '') EmptyStringDescriptionStore[result] = true;\n    return result;\n  };\n  copyConstructorProperties(SymbolWrapper, NativeSymbol);\n  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;\n  symbolPrototype.constructor = SymbolWrapper;\n\n  var symbolToString = symbolPrototype.toString;\n  var native = String(NativeSymbol('test')) == 'Symbol(test)';\n  var regexp = /^Symbol\\((.*)\\)[^)]+$/;\n  defineProperty(symbolPrototype, 'description', {\n    configurable: true,\n    get: function description() {\n      var symbol = isObject(this) ? this.valueOf() : this;\n      var string = symbolToString.call(symbol);\n      if (has(EmptyStringDescriptionStore, symbol)) return '';\n      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');\n      return desc === '' ? undefined : desc;\n    }\n  });\n\n  $({ global: true, forced: true }, {\n    Symbol: SymbolWrapper\n  });\n}\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.hasInstance` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.hasinstance\ndefineWellKnownSymbol('hasInstance');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.isConcatSpreadable` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.isconcatspreadable\ndefineWellKnownSymbol('isConcatSpreadable');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.iterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.iterator\ndefineWellKnownSymbol('iterator');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.match` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.match\ndefineWellKnownSymbol('match');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.matchAll` well-known symbol\ndefineWellKnownSymbol('matchAll');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.replace` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.replace\ndefineWellKnownSymbol('replace');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.search` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.search\ndefineWellKnownSymbol('search');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.species` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.species\ndefineWellKnownSymbol('species');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.split` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.split\ndefineWellKnownSymbol('split');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toPrimitive` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.toprimitive\ndefineWellKnownSymbol('toPrimitive');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.toStringTag` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.tostringtag\ndefineWellKnownSymbol('toStringTag');\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.unscopables` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.unscopables\ndefineWellKnownSymbol('unscopables');\n","var setToStringTag = require('../internals/set-to-string-tag');\n\n// Math[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-math-@@tostringtag\nsetToStringTag(Math, 'Math', true);\n","var global = require('../internals/global');\nvar setToStringTag = require('../internals/set-to-string-tag');\n\n// JSON[@@toStringTag] property\n// https://tc39.github.io/ecma262/#sec-json-@@tostringtag\nsetToStringTag(global.JSON, 'JSON', true);\n","require('../../modules/es.string.pad-start');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padStart');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padStart = require('../internals/string-pad').start;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padStart` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padStart: function padStart(maxLength /* , fillString = ' ' */) {\n    return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","// https://github.com/tc39/proposal-string-pad-start-end\nvar toLength = require('../internals/to-length');\nvar repeat = require('../internals/string-repeat');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\nvar ceil = Math.ceil;\n\n// `String.prototype.{ padStart, padEnd }` methods implementation\nvar createMethod = function (IS_END) {\n  return function ($this, maxLength, fillString) {\n    var S = String(requireObjectCoercible($this));\n    var stringLength = S.length;\n    var fillStr = fillString === undefined ? ' ' : String(fillString);\n    var intMaxLength = toLength(maxLength);\n    var fillLen, stringFiller;\n    if (intMaxLength <= stringLength || fillStr == '') return S;\n    fillLen = intMaxLength - stringLength;\n    stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));\n    if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);\n    return IS_END ? S + stringFiller : stringFiller + S;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.padStart` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padstart\n  start: createMethod(false),\n  // `String.prototype.padEnd` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.padend\n  end: createMethod(true)\n};\n","'use strict';\nvar toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n\n// `String.prototype.repeat` method implementation\n// https://tc39.github.io/ecma262/#sec-string.prototype.repeat\nmodule.exports = ''.repeat || function repeat(count) {\n  var str = String(requireObjectCoercible(this));\n  var result = '';\n  var n = toInteger(count);\n  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');\n  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;\n  return result;\n};\n","// https://github.com/zloirock/core-js/issues/280\nvar userAgent = require('../internals/engine-user-agent');\n\n// eslint-disable-next-line unicorn/no-unsafe-regex\nmodule.exports = /Version\\/10\\.\\d+(\\.\\d+)?( Mobile\\/\\w+)? Safari\\//.test(userAgent);\n","require('../../modules/es.string.pad-end');\nvar entryUnbind = require('../../internals/entry-unbind');\n\nmodule.exports = entryUnbind('String', 'padEnd');\n","'use strict';\nvar $ = require('../internals/export');\nvar $padEnd = require('../internals/string-pad').end;\nvar WEBKIT_BUG = require('../internals/string-pad-webkit-bug');\n\n// `String.prototype.padEnd` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.padend\n$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {\n  padEnd: function padEnd(maxLength /* , fillString = ' ' */) {\n    return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);\n  }\n});\n","require('../../modules/es.object.values');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.values;\n","var $ = require('../internals/export');\nvar $values = require('../internals/object-to-array').values;\n\n// `Object.values` method\n// https://tc39.github.io/ecma262/#sec-object.values\n$({ target: 'Object', stat: true }, {\n  values: function values(O) {\n    return $values(O);\n  }\n});\n","var DESCRIPTORS = require('../internals/descriptors');\nvar objectKeys = require('../internals/object-keys');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar propertyIsEnumerable = require('../internals/object-property-is-enumerable').f;\n\n// `Object.{ entries, values }` methods implementation\nvar createMethod = function (TO_ENTRIES) {\n  return function (it) {\n    var O = toIndexedObject(it);\n    var keys = objectKeys(O);\n    var length = keys.length;\n    var i = 0;\n    var result = [];\n    var key;\n    while (length > i) {\n      key = keys[i++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {\n        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);\n      }\n    }\n    return result;\n  };\n};\n\nmodule.exports = {\n  // `Object.entries` method\n  // https://tc39.github.io/ecma262/#sec-object.entries\n  entries: createMethod(true),\n  // `Object.values` method\n  // https://tc39.github.io/ecma262/#sec-object.values\n  values: createMethod(false)\n};\n","require('../../modules/es.object.entries');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Object.entries;\n","var $ = require('../internals/export');\nvar $entries = require('../internals/object-to-array').entries;\n\n// `Object.entries` method\n// https://tc39.github.io/ecma262/#sec-object.entries\n$({ target: 'Object', stat: true }, {\n  entries: function entries(O) {\n    return $entries(O);\n  }\n});\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, shadow } from \"../shared/util.js\";\nimport { log2, readInt8, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\n\nclass Jbig2Error extends BaseException {\n  constructor(msg) {\n    super(`JBIG2 error: ${msg}`);\n  }\n}\n\nvar Jbig2Image = (function Jbig2ImageClosure() {\n  // Utility data structures\n  function ContextCache() {}\n\n  ContextCache.prototype = {\n    getContexts(id) {\n      if (id in this) {\n        return this[id];\n      }\n      return (this[id] = new Int8Array(1 << 16));\n    },\n  };\n\n  function DecodingContext(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n  }\n\n  DecodingContext.prototype = {\n    get decoder() {\n      var decoder = new ArithmeticDecoder(this.data, this.start, this.end);\n      return shadow(this, \"decoder\", decoder);\n    },\n    get contextCache() {\n      var cache = new ContextCache();\n      return shadow(this, \"contextCache\", cache);\n    },\n  };\n\n  // Annex A. Arithmetic Integer Decoding Procedure\n  // A.2 Procedure for decoding values\n  function decodeInteger(contextCache, procedure, decoder) {\n    var contexts = contextCache.getContexts(procedure);\n    var prev = 1;\n\n    function readBits(length) {\n      var v = 0;\n      for (var i = 0; i < length; i++) {\n        var bit = decoder.readBit(contexts, prev);\n        prev =\n          prev < 256 ? (prev << 1) | bit : (((prev << 1) | bit) & 511) | 256;\n        v = (v << 1) | bit;\n      }\n      return v >>> 0;\n    }\n\n    var sign = readBits(1);\n    // prettier-ignore\n    /* eslint-disable no-nested-ternary */\n    var value = readBits(1) ?\n                  (readBits(1) ?\n                    (readBits(1) ?\n                      (readBits(1) ?\n                        (readBits(1) ?\n                          (readBits(32) + 4436) :\n                        readBits(12) + 340) :\n                      readBits(8) + 84) :\n                    readBits(6) + 20) :\n                  readBits(4) + 4) :\n                readBits(2);\n    /* eslint-enable no-nested-ternary */\n    if (sign === 0) {\n      return value;\n    } else if (value > 0) {\n      return -value;\n    }\n    return null;\n  }\n\n  // A.3 The IAID decoding procedure\n  function decodeIAID(contextCache, decoder, codeLength) {\n    var contexts = contextCache.getContexts(\"IAID\");\n\n    var prev = 1;\n    for (var i = 0; i < codeLength; i++) {\n      var bit = decoder.readBit(contexts, prev);\n      prev = (prev << 1) | bit;\n    }\n    if (codeLength < 31) {\n      return prev & ((1 << codeLength) - 1);\n    }\n    return prev & 0x7fffffff;\n  }\n\n  // 7.3 Segment types\n  var SegmentTypes = [\n    \"SymbolDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateTextRegion\",\n    null,\n    \"ImmediateTextRegion\",\n    \"ImmediateLosslessTextRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"PatternDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateHalftoneRegion\",\n    null,\n    \"ImmediateHalftoneRegion\",\n    \"ImmediateLosslessHalftoneRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"IntermediateGenericRegion\",\n    null,\n    \"ImmediateGenericRegion\",\n    \"ImmediateLosslessGenericRegion\",\n    \"IntermediateGenericRefinementRegion\",\n    null,\n    \"ImmediateGenericRefinementRegion\",\n    \"ImmediateLosslessGenericRefinementRegion\",\n    null,\n    null,\n    null,\n    null,\n    \"PageInformation\",\n    \"EndOfPage\",\n    \"EndOfStripe\",\n    \"EndOfFile\",\n    \"Profiles\",\n    \"Tables\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"Extension\",\n  ];\n\n  var CodingTemplates = [\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: 2, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -3, y: -1 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n  ];\n\n  var RefinementTemplates = [\n    {\n      coding: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: -1, y: 1 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n    {\n      coding: [\n        { x: -1, y: -1 },\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n  ];\n\n  // See 6.2.5.7 Decoding the bitmap.\n  var ReusedContexts = [\n    0x9b25, // 10011 0110010 0101\n    0x0795, // 0011 110010 101\n    0x00e5, // 001 11001 01\n    0x0195, // 011001 0101\n  ];\n\n  var RefinementReusedContexts = [\n    0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference)\n    0x0008, // '0000' + '001000'\n  ];\n\n  function decodeBitmapTemplate0(width, height, decodingContext) {\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n    var contextLabel,\n      i,\n      j,\n      pixel,\n      row,\n      row1,\n      row2,\n      bitmap = [];\n\n    // ...ooooo....\n    // ..ooooooo... Context template for current pixel (X)\n    // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel)\n    var OLD_PIXEL_MASK = 0x7bf7; // 01111 0111111 0111\n\n    for (i = 0; i < height; i++) {\n      row = bitmap[i] = new Uint8Array(width);\n      row1 = i < 1 ? row : bitmap[i - 1];\n      row2 = i < 2 ? row : bitmap[i - 2];\n\n      // At the beginning of each row:\n      // Fill contextLabel with pixels that are above/right of (X)\n      contextLabel =\n        (row2[0] << 13) |\n        (row2[1] << 12) |\n        (row2[2] << 11) |\n        (row1[0] << 7) |\n        (row1[1] << 6) |\n        (row1[2] << 5) |\n        (row1[3] << 4);\n\n      for (j = 0; j < width; j++) {\n        row[j] = pixel = decoder.readBit(contexts, contextLabel);\n\n        // At each pixel: Clear contextLabel pixels that are shifted\n        // out of the context, then add new ones.\n        contextLabel =\n          ((contextLabel & OLD_PIXEL_MASK) << 1) |\n          (j + 3 < width ? row2[j + 3] << 11 : 0) |\n          (j + 4 < width ? row1[j + 4] << 4 : 0) |\n          pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.2 Generic Region Decoding Procedure\n  function decodeBitmap(\n    mmr,\n    width,\n    height,\n    templateIndex,\n    prediction,\n    skip,\n    at,\n    decodingContext\n  ) {\n    if (mmr) {\n      const input = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n      return decodeMMRBitmap(input, width, height, false);\n    }\n\n    // Use optimized version for the most common case\n    if (\n      templateIndex === 0 &&\n      !skip &&\n      !prediction &&\n      at.length === 4 &&\n      at[0].x === 3 &&\n      at[0].y === -1 &&\n      at[1].x === -3 &&\n      at[1].y === -1 &&\n      at[2].x === 2 &&\n      at[2].y === -2 &&\n      at[3].x === -2 &&\n      at[3].y === -2\n    ) {\n      return decodeBitmapTemplate0(width, height, decodingContext);\n    }\n\n    var useskip = !!skip;\n    var template = CodingTemplates[templateIndex].concat(at);\n\n    // Sorting is non-standard, and it is not required. But sorting increases\n    // the number of template bits that can be reused from the previous\n    // contextLabel in the main loop.\n    template.sort(function (a, b) {\n      return a.y - b.y || a.x - b.x;\n    });\n\n    var templateLength = template.length;\n    var templateX = new Int8Array(templateLength);\n    var templateY = new Int8Array(templateLength);\n    var changingTemplateEntries = [];\n    var reuseMask = 0,\n      minX = 0,\n      maxX = 0,\n      minY = 0;\n    var c, k;\n\n    for (k = 0; k < templateLength; k++) {\n      templateX[k] = template[k].x;\n      templateY[k] = template[k].y;\n      minX = Math.min(minX, template[k].x);\n      maxX = Math.max(maxX, template[k].x);\n      minY = Math.min(minY, template[k].y);\n      // Check if the template pixel appears in two consecutive context labels,\n      // so it can be reused. Otherwise, we add it to the list of changing\n      // template entries.\n      if (\n        k < templateLength - 1 &&\n        template[k].y === template[k + 1].y &&\n        template[k].x === template[k + 1].x - 1\n      ) {\n        reuseMask |= 1 << (templateLength - 1 - k);\n      } else {\n        changingTemplateEntries.push(k);\n      }\n    }\n    var changingEntriesLength = changingTemplateEntries.length;\n\n    var changingTemplateX = new Int8Array(changingEntriesLength);\n    var changingTemplateY = new Int8Array(changingEntriesLength);\n    var changingTemplateBit = new Uint16Array(changingEntriesLength);\n    for (c = 0; c < changingEntriesLength; c++) {\n      k = changingTemplateEntries[c];\n      changingTemplateX[c] = template[k].x;\n      changingTemplateY[c] = template[k].y;\n      changingTemplateBit[c] = 1 << (templateLength - 1 - k);\n    }\n\n    // Get the safe bounding box edges from the width, height, minX, maxX, minY\n    var sbb_left = -minX;\n    var sbb_top = -minY;\n    var sbb_right = width - maxX;\n\n    var pseudoPixelContext = ReusedContexts[templateIndex];\n    var row = new Uint8Array(width);\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n\n    var ltp = 0,\n      j,\n      i0,\n      j0,\n      contextLabel = 0,\n      bit,\n      shift;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          bitmap.push(row); // duplicate previous row\n          continue;\n        }\n      }\n      row = new Uint8Array(row);\n      bitmap.push(row);\n      for (j = 0; j < width; j++) {\n        if (useskip && skip[i][j]) {\n          row[j] = 0;\n          continue;\n        }\n        // Are we in the middle of a scanline, so we can reuse contextLabel\n        // bits?\n        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {\n          // If yes, we can just shift the bits that are reusable and only\n          // fetch the remaining ones.\n          contextLabel = (contextLabel << 1) & reuseMask;\n          for (k = 0; k < changingEntriesLength; k++) {\n            i0 = i + changingTemplateY[k];\n            j0 = j + changingTemplateX[k];\n            bit = bitmap[i0][j0];\n            if (bit) {\n              bit = changingTemplateBit[k];\n              contextLabel |= bit;\n            }\n          }\n        } else {\n          // compute the contextLabel from scratch\n          contextLabel = 0;\n          shift = templateLength - 1;\n          for (k = 0; k < templateLength; k++, shift--) {\n            j0 = j + templateX[k];\n            if (j0 >= 0 && j0 < width) {\n              i0 = i + templateY[k];\n              if (i0 >= 0) {\n                bit = bitmap[i0][j0];\n                if (bit) {\n                  contextLabel |= bit << shift;\n                }\n              }\n            }\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n    return bitmap;\n  }\n\n  // 6.3.2 Generic Refinement Region Decoding Procedure\n  function decodeRefinement(\n    width,\n    height,\n    templateIndex,\n    referenceBitmap,\n    offsetX,\n    offsetY,\n    prediction,\n    at,\n    decodingContext\n  ) {\n    var codingTemplate = RefinementTemplates[templateIndex].coding;\n    if (templateIndex === 0) {\n      codingTemplate = codingTemplate.concat([at[0]]);\n    }\n    var codingTemplateLength = codingTemplate.length;\n    var codingTemplateX = new Int32Array(codingTemplateLength);\n    var codingTemplateY = new Int32Array(codingTemplateLength);\n    var k;\n    for (k = 0; k < codingTemplateLength; k++) {\n      codingTemplateX[k] = codingTemplate[k].x;\n      codingTemplateY[k] = codingTemplate[k].y;\n    }\n\n    var referenceTemplate = RefinementTemplates[templateIndex].reference;\n    if (templateIndex === 0) {\n      referenceTemplate = referenceTemplate.concat([at[1]]);\n    }\n    var referenceTemplateLength = referenceTemplate.length;\n    var referenceTemplateX = new Int32Array(referenceTemplateLength);\n    var referenceTemplateY = new Int32Array(referenceTemplateLength);\n    for (k = 0; k < referenceTemplateLength; k++) {\n      referenceTemplateX[k] = referenceTemplate[k].x;\n      referenceTemplateY[k] = referenceTemplate[k].y;\n    }\n    var referenceWidth = referenceBitmap[0].length;\n    var referenceHeight = referenceBitmap.length;\n\n    var pseudoPixelContext = RefinementReusedContexts[templateIndex];\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GR\");\n\n    var ltp = 0;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          throw new Jbig2Error(\"prediction is not supported\");\n        }\n      }\n      var row = new Uint8Array(width);\n      bitmap.push(row);\n      for (var j = 0; j < width; j++) {\n        var i0, j0;\n        var contextLabel = 0;\n        for (k = 0; k < codingTemplateLength; k++) {\n          i0 = i + codingTemplateY[k];\n          j0 = j + codingTemplateX[k];\n          if (i0 < 0 || j0 < 0 || j0 >= width) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | bitmap[i0][j0];\n          }\n        }\n        for (k = 0; k < referenceTemplateLength; k++) {\n          i0 = i + referenceTemplateY[k] - offsetY;\n          j0 = j + referenceTemplateX[k] - offsetX;\n          if (\n            i0 < 0 ||\n            i0 >= referenceHeight ||\n            j0 < 0 ||\n            j0 >= referenceWidth\n          ) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0];\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.5.5 Decoding the symbol dictionary\n  function decodeSymbolDictionary(\n    huffman,\n    refinement,\n    symbols,\n    numberOfNewSymbols,\n    numberOfExportedSymbols,\n    huffmanTables,\n    templateIndex,\n    at,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"symbol refinement with Huffman is not supported\");\n    }\n\n    var newSymbols = [];\n    var currentHeight = 0;\n    var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n    let tableB1, symbolWidths;\n    if (huffman) {\n      tableB1 = getStandardTable(1); // standard table B.1\n      symbolWidths = [];\n      symbolCodeLength = Math.max(symbolCodeLength, 1); // 6.5.8.2.3\n    }\n\n    while (newSymbols.length < numberOfNewSymbols) {\n      var deltaHeight = huffman\n        ? huffmanTables.tableDeltaHeight.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADH\", decoder); // 6.5.6\n      currentHeight += deltaHeight;\n      let currentWidth = 0,\n        totalWidth = 0;\n      const firstSymbol = huffman ? symbolWidths.length : 0;\n      while (true) {\n        var deltaWidth = huffman\n          ? huffmanTables.tableDeltaWidth.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADW\", decoder); // 6.5.7\n        if (deltaWidth === null) {\n          break; // OOB\n        }\n        currentWidth += deltaWidth;\n        totalWidth += currentWidth;\n        var bitmap;\n        if (refinement) {\n          // 6.5.8.2 Refinement/aggregate-coded symbol bitmap\n          var numberOfInstances = decodeInteger(contextCache, \"IAAI\", decoder);\n          if (numberOfInstances > 1) {\n            bitmap = decodeTextRegion(\n              huffman,\n              refinement,\n              currentWidth,\n              currentHeight,\n              0,\n              numberOfInstances,\n              1, // strip size\n              symbols.concat(newSymbols),\n              symbolCodeLength,\n              0, // transposed\n              0, // ds offset\n              1, // top left 7.4.3.1.1\n              0, // OR operator\n              huffmanTables,\n              refinementTemplateIndex,\n              refinementAt,\n              decodingContext,\n              0,\n              huffmanInput\n            );\n          } else {\n            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);\n            var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n            var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n            var symbol =\n              symbolId < symbols.length\n                ? symbols[symbolId]\n                : newSymbols[symbolId - symbols.length];\n            bitmap = decodeRefinement(\n              currentWidth,\n              currentHeight,\n              refinementTemplateIndex,\n              symbol,\n              rdx,\n              rdy,\n              false,\n              refinementAt,\n              decodingContext\n            );\n          }\n          newSymbols.push(bitmap);\n        } else if (huffman) {\n          // Store only symbol width and decode a collective bitmap when the\n          // height class is done.\n          symbolWidths.push(currentWidth);\n        } else {\n          // 6.5.8.1 Direct-coded symbol bitmap\n          bitmap = decodeBitmap(\n            false,\n            currentWidth,\n            currentHeight,\n            templateIndex,\n            false,\n            null,\n            at,\n            decodingContext\n          );\n          newSymbols.push(bitmap);\n        }\n      }\n      if (huffman && !refinement) {\n        // 6.5.9 Height class collective bitmap\n        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);\n        huffmanInput.byteAlign();\n        let collectiveBitmap;\n        if (bitmapSize === 0) {\n          // Uncompressed collective bitmap\n          collectiveBitmap = readUncompressedBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight\n          );\n        } else {\n          // MMR collective bitmap\n          const originalEnd = huffmanInput.end;\n          const bitmapEnd = huffmanInput.position + bitmapSize;\n          huffmanInput.end = bitmapEnd;\n          collectiveBitmap = decodeMMRBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight,\n            false\n          );\n          huffmanInput.end = originalEnd;\n          huffmanInput.position = bitmapEnd;\n        }\n        const numberOfSymbolsDecoded = symbolWidths.length;\n        if (firstSymbol === numberOfSymbolsDecoded - 1) {\n          // collectiveBitmap is a single symbol.\n          newSymbols.push(collectiveBitmap);\n        } else {\n          // Divide collectiveBitmap into symbols.\n          let i,\n            y,\n            xMin = 0,\n            xMax,\n            bitmapWidth,\n            symbolBitmap;\n          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {\n            bitmapWidth = symbolWidths[i];\n            xMax = xMin + bitmapWidth;\n            symbolBitmap = [];\n            for (y = 0; y < currentHeight; y++) {\n              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n            }\n            newSymbols.push(symbolBitmap);\n            xMin = xMax;\n          }\n        }\n      }\n    }\n\n    // 6.5.10 Exported symbols\n    var exportedSymbols = [];\n    var flags = [],\n      currentFlag = false;\n    var totalSymbolsLength = symbols.length + numberOfNewSymbols;\n    while (flags.length < totalSymbolsLength) {\n      var runLength = huffman\n        ? tableB1.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAEX\", decoder);\n      while (runLength--) {\n        flags.push(currentFlag);\n      }\n      currentFlag = !currentFlag;\n    }\n    for (var i = 0, ii = symbols.length; i < ii; i++) {\n      if (flags[i]) {\n        exportedSymbols.push(symbols[i]);\n      }\n    }\n    for (var j = 0; j < numberOfNewSymbols; i++, j++) {\n      if (flags[i]) {\n        exportedSymbols.push(newSymbols[j]);\n      }\n    }\n    return exportedSymbols;\n  }\n\n  function decodeTextRegion(\n    huffman,\n    refinement,\n    width,\n    height,\n    defaultPixelValue,\n    numberOfSymbolInstances,\n    stripSize,\n    inputSymbols,\n    symbolCodeLength,\n    transposed,\n    dsOffset,\n    referenceCorner,\n    combinationOperator,\n    huffmanTables,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    logStripSize,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    // Prepare bitmap\n    var bitmap = [];\n    var i, row;\n    for (i = 0; i < height; i++) {\n      row = new Uint8Array(width);\n      if (defaultPixelValue) {\n        for (var j = 0; j < width; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      bitmap.push(row);\n    }\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n\n    var stripT = huffman\n      ? -huffmanTables.tableDeltaT.decode(huffmanInput)\n      : -decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n    var firstS = 0;\n    i = 0;\n    while (i < numberOfSymbolInstances) {\n      var deltaT = huffman\n        ? huffmanTables.tableDeltaT.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n      stripT += deltaT;\n\n      var deltaFirstS = huffman\n        ? huffmanTables.tableFirstS.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAFS\", decoder); // 6.4.7\n      firstS += deltaFirstS;\n      var currentS = firstS;\n      do {\n        let currentT = 0; // 6.4.9\n        if (stripSize > 1) {\n          currentT = huffman\n            ? huffmanInput.readBits(logStripSize)\n            : decodeInteger(contextCache, \"IAIT\", decoder);\n        }\n        var t = stripSize * stripT + currentT;\n        var symbolId = huffman\n          ? huffmanTables.symbolIDTable.decode(huffmanInput)\n          : decodeIAID(contextCache, decoder, symbolCodeLength);\n        var applyRefinement =\n          refinement &&\n          (huffman\n            ? huffmanInput.readBit()\n            : decodeInteger(contextCache, \"IARI\", decoder));\n        var symbolBitmap = inputSymbols[symbolId];\n        var symbolWidth = symbolBitmap[0].length;\n        var symbolHeight = symbolBitmap.length;\n        if (applyRefinement) {\n          var rdw = decodeInteger(contextCache, \"IARDW\", decoder); // 6.4.11.1\n          var rdh = decodeInteger(contextCache, \"IARDH\", decoder); // 6.4.11.2\n          var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n          var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n          symbolWidth += rdw;\n          symbolHeight += rdh;\n          symbolBitmap = decodeRefinement(\n            symbolWidth,\n            symbolHeight,\n            refinementTemplateIndex,\n            symbolBitmap,\n            (rdw >> 1) + rdx,\n            (rdh >> 1) + rdy,\n            false,\n            refinementAt,\n            decodingContext\n          );\n        }\n        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);\n        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);\n        var s2, t2, symbolRow;\n        if (transposed) {\n          // Place Symbol Bitmap from T1,S1\n          for (s2 = 0; s2 < symbolHeight; s2++) {\n            row = bitmap[offsetS + s2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[s2];\n            // To ignore Parts of Symbol bitmap which goes\n            // outside bitmap region\n            var maxWidth = Math.min(width - offsetT, symbolWidth);\n            switch (combinationOperator) {\n              case 0: // OR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] |= symbolRow[t2];\n                }\n                break;\n              case 2: // XOR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] ^= symbolRow[t2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolHeight - 1;\n        } else {\n          for (t2 = 0; t2 < symbolHeight; t2++) {\n            row = bitmap[offsetT + t2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[t2];\n            switch (combinationOperator) {\n              case 0: // OR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] |= symbolRow[s2];\n                }\n                break;\n              case 2: // XOR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] ^= symbolRow[s2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolWidth - 1;\n        }\n        i++;\n        var deltaS = huffman\n          ? huffmanTables.tableDeltaS.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADS\", decoder); // 6.4.8\n        if (deltaS === null) {\n          break; // OOB\n        }\n        currentS += deltaS + dsOffset;\n      } while (true);\n    }\n    return bitmap;\n  }\n\n  function decodePatternDictionary(\n    mmr,\n    patternWidth,\n    patternHeight,\n    maxPatternIndex,\n    template,\n    decodingContext\n  ) {\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: -patternWidth,\n        y: 0,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;\n    const collectiveBitmap = decodeBitmap(\n      mmr,\n      collectiveWidth,\n      patternHeight,\n      template,\n      false,\n      null,\n      at,\n      decodingContext\n    );\n    // Divide collective bitmap into patterns.\n    const patterns = [];\n    for (let i = 0; i <= maxPatternIndex; i++) {\n      const patternBitmap = [];\n      const xMin = patternWidth * i;\n      const xMax = xMin + patternWidth;\n      for (let y = 0; y < patternHeight; y++) {\n        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n      }\n      patterns.push(patternBitmap);\n    }\n    return patterns;\n  }\n\n  function decodeHalftoneRegion(\n    mmr,\n    patterns,\n    template,\n    regionWidth,\n    regionHeight,\n    defaultPixelValue,\n    enableSkip,\n    combinationOperator,\n    gridWidth,\n    gridHeight,\n    gridOffsetX,\n    gridOffsetY,\n    gridVectorX,\n    gridVectorY,\n    decodingContext\n  ) {\n    const skip = null;\n    if (enableSkip) {\n      throw new Jbig2Error(\"skip is not supported\");\n    }\n    if (combinationOperator !== 0) {\n      throw new Jbig2Error(\n        \"operator \" +\n          combinationOperator +\n          \" is not supported in halftone region\"\n      );\n    }\n\n    // Prepare bitmap.\n    const regionBitmap = [];\n    let i, j, row;\n    for (i = 0; i < regionHeight; i++) {\n      row = new Uint8Array(regionWidth);\n      if (defaultPixelValue) {\n        for (j = 0; j < regionWidth; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      regionBitmap.push(row);\n    }\n\n    const numberOfPatterns = patterns.length;\n    const pattern0 = patterns[0];\n    const patternWidth = pattern0[0].length,\n      patternHeight = pattern0.length;\n    const bitsPerValue = log2(numberOfPatterns);\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: template <= 1 ? 3 : 2,\n        y: -1,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    // Annex C. Gray-scale Image Decoding Procedure.\n    const grayScaleBitPlanes = [];\n    let mmrInput, bitmap;\n    if (mmr) {\n      // MMR bit planes are in one continuous stream. Only EOFB codes indicate\n      // the end of each bitmap, so EOFBs must be decoded.\n      mmrInput = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n    }\n    for (i = bitsPerValue - 1; i >= 0; i--) {\n      if (mmr) {\n        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);\n      } else {\n        bitmap = decodeBitmap(\n          false,\n          gridWidth,\n          gridHeight,\n          template,\n          false,\n          skip,\n          at,\n          decodingContext\n        );\n      }\n      grayScaleBitPlanes[i] = bitmap;\n    }\n    // 6.6.5.2 Rendering the patterns.\n    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;\n    for (mg = 0; mg < gridHeight; mg++) {\n      for (ng = 0; ng < gridWidth; ng++) {\n        bit = 0;\n        patternIndex = 0;\n        for (j = bitsPerValue - 1; j >= 0; j--) {\n          bit = grayScaleBitPlanes[j][mg][ng] ^ bit; // Gray decoding\n          patternIndex |= bit << j;\n        }\n        patternBitmap = patterns[patternIndex];\n        x = (gridOffsetX + mg * gridVectorY + ng * gridVectorX) >> 8;\n        y = (gridOffsetY + mg * gridVectorX - ng * gridVectorY) >> 8;\n        // Draw patternBitmap at (x, y).\n        if (\n          x >= 0 &&\n          x + patternWidth <= regionWidth &&\n          y >= 0 &&\n          y + patternHeight <= regionHeight\n        ) {\n          for (i = 0; i < patternHeight; i++) {\n            regionRow = regionBitmap[y + i];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionRow[x + j] |= patternRow[j];\n            }\n          }\n        } else {\n          let regionX, regionY;\n          for (i = 0; i < patternHeight; i++) {\n            regionY = y + i;\n            if (regionY < 0 || regionY >= regionHeight) {\n              continue;\n            }\n            regionRow = regionBitmap[regionY];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionX = x + j;\n              if (regionX >= 0 && regionX < regionWidth) {\n                regionRow[regionX] |= patternRow[j];\n              }\n            }\n          }\n        }\n      }\n    }\n    return regionBitmap;\n  }\n\n  function readSegmentHeader(data, start) {\n    var segmentHeader = {};\n    segmentHeader.number = readUint32(data, start);\n    var flags = data[start + 4];\n    var segmentType = flags & 0x3f;\n    if (!SegmentTypes[segmentType]) {\n      throw new Jbig2Error(\"invalid segment type: \" + segmentType);\n    }\n    segmentHeader.type = segmentType;\n    segmentHeader.typeName = SegmentTypes[segmentType];\n    segmentHeader.deferredNonRetain = !!(flags & 0x80);\n\n    var pageAssociationFieldSize = !!(flags & 0x40);\n    var referredFlags = data[start + 5];\n    var referredToCount = (referredFlags >> 5) & 7;\n    var retainBits = [referredFlags & 31];\n    var position = start + 6;\n    if (referredFlags === 7) {\n      referredToCount = readUint32(data, position - 1) & 0x1fffffff;\n      position += 3;\n      var bytes = (referredToCount + 7) >> 3;\n      retainBits[0] = data[position++];\n      while (--bytes > 0) {\n        retainBits.push(data[position++]);\n      }\n    } else if (referredFlags === 5 || referredFlags === 6) {\n      throw new Jbig2Error(\"invalid referred-to flags\");\n    }\n\n    segmentHeader.retainBits = retainBits;\n\n    let referredToSegmentNumberSize = 4;\n    if (segmentHeader.number <= 256) {\n      referredToSegmentNumberSize = 1;\n    } else if (segmentHeader.number <= 65536) {\n      referredToSegmentNumberSize = 2;\n    }\n    var referredTo = [];\n    var i, ii;\n    for (i = 0; i < referredToCount; i++) {\n      let number;\n      if (referredToSegmentNumberSize === 1) {\n        number = data[position];\n      } else if (referredToSegmentNumberSize === 2) {\n        number = readUint16(data, position);\n      } else {\n        number = readUint32(data, position);\n      }\n      referredTo.push(number);\n      position += referredToSegmentNumberSize;\n    }\n    segmentHeader.referredTo = referredTo;\n    if (!pageAssociationFieldSize) {\n      segmentHeader.pageAssociation = data[position++];\n    } else {\n      segmentHeader.pageAssociation = readUint32(data, position);\n      position += 4;\n    }\n    segmentHeader.length = readUint32(data, position);\n    position += 4;\n\n    if (segmentHeader.length === 0xffffffff) {\n      // 7.2.7 Segment data length, unknown segment length\n      if (segmentType === 38) {\n        // ImmediateGenericRegion\n        var genericRegionInfo = readRegionSegmentInformation(data, position);\n        var genericRegionSegmentFlags =\n          data[position + RegionSegmentInformationFieldLength];\n        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);\n        // searching for the segment end\n        var searchPatternLength = 6;\n        var searchPattern = new Uint8Array(searchPatternLength);\n        if (!genericRegionMmr) {\n          searchPattern[0] = 0xff;\n          searchPattern[1] = 0xac;\n        }\n        searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xff;\n        searchPattern[3] = (genericRegionInfo.height >> 16) & 0xff;\n        searchPattern[4] = (genericRegionInfo.height >> 8) & 0xff;\n        searchPattern[5] = genericRegionInfo.height & 0xff;\n        for (i = position, ii = data.length; i < ii; i++) {\n          var j = 0;\n          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {\n            j++;\n          }\n          if (j === searchPatternLength) {\n            segmentHeader.length = i + searchPatternLength;\n            break;\n          }\n        }\n        if (segmentHeader.length === 0xffffffff) {\n          throw new Jbig2Error(\"segment end was not found\");\n        }\n      } else {\n        throw new Jbig2Error(\"invalid unknown segment length\");\n      }\n    }\n    segmentHeader.headerEnd = position;\n    return segmentHeader;\n  }\n\n  function readSegments(header, data, start, end) {\n    var segments = [];\n    var position = start;\n    while (position < end) {\n      var segmentHeader = readSegmentHeader(data, position);\n      position = segmentHeader.headerEnd;\n      var segment = {\n        header: segmentHeader,\n        data,\n      };\n      if (!header.randomAccess) {\n        segment.start = position;\n        position += segmentHeader.length;\n        segment.end = position;\n      }\n      segments.push(segment);\n      if (segmentHeader.type === 51) {\n        break; // end of file is found\n      }\n    }\n    if (header.randomAccess) {\n      for (var i = 0, ii = segments.length; i < ii; i++) {\n        segments[i].start = position;\n        position += segments[i].header.length;\n        segments[i].end = position;\n      }\n    }\n    return segments;\n  }\n\n  // 7.4.1 Region segment information field\n  function readRegionSegmentInformation(data, start) {\n    return {\n      width: readUint32(data, start),\n      height: readUint32(data, start + 4),\n      x: readUint32(data, start + 8),\n      y: readUint32(data, start + 12),\n      combinationOperator: data[start + 16] & 7,\n    };\n  }\n  var RegionSegmentInformationFieldLength = 17;\n\n  function processSegment(segment, visitor) {\n    var header = segment.header;\n\n    var data = segment.data,\n      position = segment.start,\n      end = segment.end;\n    var args, at, i, atLength;\n    switch (header.type) {\n      case 0: // SymbolDictionary\n        // 7.4.2 Symbol dictionary segment syntax\n        var dictionary = {};\n        var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1\n        dictionary.huffman = !!(dictionaryFlags & 1);\n        dictionary.refinement = !!(dictionaryFlags & 2);\n        dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3;\n        dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3;\n        dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1;\n        dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1;\n        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);\n        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);\n        dictionary.template = (dictionaryFlags >> 10) & 3;\n        dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1;\n        position += 2;\n        if (!dictionary.huffman) {\n          atLength = dictionary.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.at = at;\n        }\n        if (dictionary.refinement && !dictionary.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.refinementAt = at;\n        }\n        dictionary.numberOfExportedSymbols = readUint32(data, position);\n        position += 4;\n        dictionary.numberOfNewSymbols = readUint32(data, position);\n        position += 4;\n        args = [\n          dictionary,\n          header.number,\n          header.referredTo,\n          data,\n          position,\n          end,\n        ];\n        break;\n      case 6: // ImmediateTextRegion\n      case 7: // ImmediateLosslessTextRegion\n        var textRegion = {};\n        textRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var textRegionSegmentFlags = readUint16(data, position);\n        position += 2;\n        textRegion.huffman = !!(textRegionSegmentFlags & 1);\n        textRegion.refinement = !!(textRegionSegmentFlags & 2);\n        textRegion.logStripSize = (textRegionSegmentFlags >> 2) & 3;\n        textRegion.stripSize = 1 << textRegion.logStripSize;\n        textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3;\n        textRegion.transposed = !!(textRegionSegmentFlags & 64);\n        textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3;\n        textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1;\n        textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27;\n        textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1;\n        if (textRegion.huffman) {\n          var textRegionHuffmanFlags = readUint16(data, position);\n          position += 2;\n          textRegion.huffmanFS = textRegionHuffmanFlags & 3;\n          textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3;\n          textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3;\n          textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3;\n          textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3;\n          textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3;\n          textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3;\n          textRegion.huffmanRefinementSizeSelector = !!(\n            textRegionHuffmanFlags & 0x4000\n          );\n        }\n        if (textRegion.refinement && !textRegion.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          textRegion.refinementAt = at;\n        }\n        textRegion.numberOfSymbolInstances = readUint32(data, position);\n        position += 4;\n        args = [textRegion, header.referredTo, data, position, end];\n        break;\n      case 16: // PatternDictionary\n        // 7.4.4. Pattern dictionary segment syntax\n        const patternDictionary = {};\n        const patternDictionaryFlags = data[position++];\n        patternDictionary.mmr = !!(patternDictionaryFlags & 1);\n        patternDictionary.template = (patternDictionaryFlags >> 1) & 3;\n        patternDictionary.patternWidth = data[position++];\n        patternDictionary.patternHeight = data[position++];\n        patternDictionary.maxPatternIndex = readUint32(data, position);\n        position += 4;\n        args = [patternDictionary, header.number, data, position, end];\n        break;\n      case 22: // ImmediateHalftoneRegion\n      case 23: // ImmediateLosslessHalftoneRegion\n        // 7.4.5 Halftone region segment syntax\n        const halftoneRegion = {};\n        halftoneRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        const halftoneRegionFlags = data[position++];\n        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);\n        halftoneRegion.template = (halftoneRegionFlags >> 1) & 3;\n        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);\n        halftoneRegion.combinationOperator = (halftoneRegionFlags >> 4) & 7;\n        halftoneRegion.defaultPixelValue = (halftoneRegionFlags >> 7) & 1;\n        halftoneRegion.gridWidth = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridHeight = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridOffsetX = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridOffsetY = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridVectorX = readUint16(data, position);\n        position += 2;\n        halftoneRegion.gridVectorY = readUint16(data, position);\n        position += 2;\n        args = [halftoneRegion, header.referredTo, data, position, end];\n        break;\n      case 38: // ImmediateGenericRegion\n      case 39: // ImmediateLosslessGenericRegion\n        var genericRegion = {};\n        genericRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var genericRegionSegmentFlags = data[position++];\n        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);\n        genericRegion.template = (genericRegionSegmentFlags >> 1) & 3;\n        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);\n        if (!genericRegion.mmr) {\n          atLength = genericRegion.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          genericRegion.at = at;\n        }\n        args = [genericRegion, data, position, end];\n        break;\n      case 48: // PageInformation\n        var pageInfo = {\n          width: readUint32(data, position),\n          height: readUint32(data, position + 4),\n          resolutionX: readUint32(data, position + 8),\n          resolutionY: readUint32(data, position + 12),\n        };\n        if (pageInfo.height === 0xffffffff) {\n          delete pageInfo.height;\n        }\n        var pageSegmentFlags = data[position + 16];\n        readUint16(data, position + 17); // pageStripingInformation\n        pageInfo.lossless = !!(pageSegmentFlags & 1);\n        pageInfo.refinement = !!(pageSegmentFlags & 2);\n        pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1;\n        pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3;\n        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);\n        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);\n        args = [pageInfo];\n        break;\n      case 49: // EndOfPage\n        break;\n      case 50: // EndOfStripe\n        break;\n      case 51: // EndOfFile\n        break;\n      case 53: // Tables\n        args = [header.number, data, position, end];\n        break;\n      case 62: // 7.4.15 defines 2 extension types which\n        // are comments and can be ignored.\n        break;\n      default:\n        throw new Jbig2Error(\n          `segment type ${header.typeName}(${header.type})` +\n            \" is not implemented\"\n        );\n    }\n    var callbackName = \"on\" + header.typeName;\n    if (callbackName in visitor) {\n      visitor[callbackName].apply(visitor, args);\n    }\n  }\n\n  function processSegments(segments, visitor) {\n    for (var i = 0, ii = segments.length; i < ii; i++) {\n      processSegment(segments[i], visitor);\n    }\n  }\n\n  function parseJbig2Chunks(chunks) {\n    var visitor = new SimpleSegmentVisitor();\n    for (var i = 0, ii = chunks.length; i < ii; i++) {\n      var chunk = chunks[i];\n      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);\n      processSegments(segments, visitor);\n    }\n    return visitor.buffer;\n  }\n\n  function parseJbig2(data) {\n    const end = data.length;\n    let position = 0;\n\n    if (\n      data[position] !== 0x97 ||\n      data[position + 1] !== 0x4a ||\n      data[position + 2] !== 0x42 ||\n      data[position + 3] !== 0x32 ||\n      data[position + 4] !== 0x0d ||\n      data[position + 5] !== 0x0a ||\n      data[position + 6] !== 0x1a ||\n      data[position + 7] !== 0x0a\n    ) {\n      throw new Jbig2Error(\"parseJbig2 - invalid header.\");\n    }\n\n    const header = Object.create(null);\n    position += 8;\n    const flags = data[position++];\n    header.randomAccess = !(flags & 1);\n    if (!(flags & 2)) {\n      header.numberOfPages = readUint32(data, position);\n      position += 4;\n    }\n\n    const segments = readSegments(header, data, position, end);\n    const visitor = new SimpleSegmentVisitor();\n    processSegments(segments, visitor);\n\n    const { width, height } = visitor.currentPageInfo;\n    const bitPacked = visitor.buffer;\n    const imgData = new Uint8ClampedArray(width * height);\n    let q = 0,\n      k = 0;\n    for (let i = 0; i < height; i++) {\n      let mask = 0,\n        buffer;\n      for (let j = 0; j < width; j++) {\n        if (!mask) {\n          mask = 128;\n          buffer = bitPacked[k++];\n        }\n        imgData[q++] = buffer & mask ? 0 : 255;\n        mask >>= 1;\n      }\n    }\n\n    return { imgData, width, height };\n  }\n\n  function SimpleSegmentVisitor() {}\n\n  SimpleSegmentVisitor.prototype = {\n    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {\n      this.currentPageInfo = info;\n      var rowSize = (info.width + 7) >> 3;\n      var buffer = new Uint8ClampedArray(rowSize * info.height);\n      // The contents of ArrayBuffers are initialized to 0.\n      // Fill the buffer with 0xFF only if info.defaultPixelValue is set\n      if (info.defaultPixelValue) {\n        for (var i = 0, ii = buffer.length; i < ii; i++) {\n          buffer[i] = 0xff;\n        }\n      }\n      this.buffer = buffer;\n    },\n    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {\n      var pageInfo = this.currentPageInfo;\n      var width = regionInfo.width,\n        height = regionInfo.height;\n      var rowSize = (pageInfo.width + 7) >> 3;\n      var combinationOperator = pageInfo.combinationOperatorOverride\n        ? regionInfo.combinationOperator\n        : pageInfo.combinationOperator;\n      var buffer = this.buffer;\n      var mask0 = 128 >> (regionInfo.x & 7);\n      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);\n      var i, j, mask, offset;\n      switch (combinationOperator) {\n        case 0: // OR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] |= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        case 2: // XOR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] ^= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        default:\n          throw new Jbig2Error(\n            `operator ${combinationOperator} is not supported`\n          );\n      }\n    },\n    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(\n      region,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeBitmap(\n        region.mmr,\n        regionInfo.width,\n        regionInfo.height,\n        region.template,\n        region.prediction,\n        null,\n        region.at,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {\n      this.onImmediateGenericRegion.apply(this, arguments);\n    },\n    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(\n      dictionary,\n      currentSegment,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      let huffmanTables, huffmanInput;\n      if (dictionary.huffman) {\n        huffmanTables = getSymbolDictionaryHuffmanTables(\n          dictionary,\n          referredSegments,\n          this.customTables\n        );\n        huffmanInput = new Reader(data, start, end);\n      }\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      if (!symbols) {\n        this.symbols = symbols = {};\n      }\n\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      symbols[currentSegment] = decodeSymbolDictionary(\n        dictionary.huffman,\n        dictionary.refinement,\n        inputSymbols,\n        dictionary.numberOfNewSymbols,\n        dictionary.numberOfExportedSymbols,\n        huffmanTables,\n        dictionary.template,\n        dictionary.at,\n        dictionary.refinementTemplate,\n        dictionary.refinementAt,\n        decodingContext,\n        huffmanInput\n      );\n    },\n    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(\n      region,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      let huffmanTables, huffmanInput;\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n      var symbolCodeLength = log2(inputSymbols.length);\n      if (region.huffman) {\n        huffmanInput = new Reader(data, start, end);\n        huffmanTables = getTextRegionHuffmanTables(\n          region,\n          referredSegments,\n          this.customTables,\n          inputSymbols.length,\n          huffmanInput\n        );\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeTextRegion(\n        region.huffman,\n        region.refinement,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.numberOfSymbolInstances,\n        region.stripSize,\n        inputSymbols,\n        symbolCodeLength,\n        region.transposed,\n        region.dsOffset,\n        region.referenceCorner,\n        region.combinationOperator,\n        huffmanTables,\n        region.refinementTemplate,\n        region.refinementAt,\n        decodingContext,\n        region.logStripSize,\n        huffmanInput\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {\n      this.onImmediateTextRegion.apply(this, arguments);\n    },\n    onPatternDictionary(dictionary, currentSegment, data, start, end) {\n      let patterns = this.patterns;\n      if (!patterns) {\n        this.patterns = patterns = {};\n      }\n      const decodingContext = new DecodingContext(data, start, end);\n      patterns[currentSegment] = decodePatternDictionary(\n        dictionary.mmr,\n        dictionary.patternWidth,\n        dictionary.patternHeight,\n        dictionary.maxPatternIndex,\n        dictionary.template,\n        decodingContext\n      );\n    },\n    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {\n      // HalftoneRegion refers to exactly one PatternDictionary.\n      const patterns = this.patterns[referredSegments[0]];\n      const regionInfo = region.info;\n      const decodingContext = new DecodingContext(data, start, end);\n      const bitmap = decodeHalftoneRegion(\n        region.mmr,\n        patterns,\n        region.template,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.enableSkip,\n        region.combinationOperator,\n        region.gridWidth,\n        region.gridHeight,\n        region.gridOffsetX,\n        region.gridOffsetY,\n        region.gridVectorX,\n        region.gridVectorY,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessHalftoneRegion() {\n      this.onImmediateHalftoneRegion.apply(this, arguments);\n    },\n    onTables(currentSegment, data, start, end) {\n      let customTables = this.customTables;\n      if (!customTables) {\n        this.customTables = customTables = {};\n      }\n      customTables[currentSegment] = decodeTablesSegment(data, start, end);\n    },\n  };\n\n  function HuffmanLine(lineData) {\n    if (lineData.length === 2) {\n      // OOB line.\n      this.isOOB = true;\n      this.rangeLow = 0;\n      this.prefixLength = lineData[0];\n      this.rangeLength = 0;\n      this.prefixCode = lineData[1];\n      this.isLowerRange = false;\n    } else {\n      // Normal, upper range or lower range line.\n      // Upper range lines are processed like normal lines.\n      this.isOOB = false;\n      this.rangeLow = lineData[0];\n      this.prefixLength = lineData[1];\n      this.rangeLength = lineData[2];\n      this.prefixCode = lineData[3];\n      this.isLowerRange = lineData[4] === \"lower\";\n    }\n  }\n\n  function HuffmanTreeNode(line) {\n    this.children = [];\n    if (line) {\n      // Leaf node\n      this.isLeaf = true;\n      this.rangeLength = line.rangeLength;\n      this.rangeLow = line.rangeLow;\n      this.isLowerRange = line.isLowerRange;\n      this.isOOB = line.isOOB;\n    } else {\n      // Intermediate or root node\n      this.isLeaf = false;\n    }\n  }\n\n  HuffmanTreeNode.prototype = {\n    buildTree(line, shift) {\n      const bit = (line.prefixCode >> shift) & 1;\n      if (shift <= 0) {\n        // Create a leaf node.\n        this.children[bit] = new HuffmanTreeNode(line);\n      } else {\n        // Create an intermediate node and continue recursively.\n        let node = this.children[bit];\n        if (!node) {\n          this.children[bit] = node = new HuffmanTreeNode(null);\n        }\n        node.buildTree(line, shift - 1);\n      }\n    },\n    decodeNode(reader) {\n      if (this.isLeaf) {\n        if (this.isOOB) {\n          return null;\n        }\n        const htOffset = reader.readBits(this.rangeLength);\n        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);\n      }\n      const node = this.children[reader.readBit()];\n      if (!node) {\n        throw new Jbig2Error(\"invalid Huffman data\");\n      }\n      return node.decodeNode(reader);\n    },\n  };\n\n  function HuffmanTable(lines, prefixCodesDone) {\n    if (!prefixCodesDone) {\n      this.assignPrefixCodes(lines);\n    }\n    // Create Huffman tree.\n    this.rootNode = new HuffmanTreeNode(null);\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      const line = lines[i];\n      if (line.prefixLength > 0) {\n        this.rootNode.buildTree(line, line.prefixLength - 1);\n      }\n    }\n  }\n\n  HuffmanTable.prototype = {\n    decode(reader) {\n      return this.rootNode.decodeNode(reader);\n    },\n    assignPrefixCodes(lines) {\n      // Annex B.3 Assigning the prefix codes.\n      const linesLength = lines.length;\n      let prefixLengthMax = 0;\n      for (let i = 0; i < linesLength; i++) {\n        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);\n      }\n\n      const histogram = new Uint32Array(prefixLengthMax + 1);\n      for (let i = 0; i < linesLength; i++) {\n        histogram[lines[i].prefixLength]++;\n      }\n      let currentLength = 1,\n        firstCode = 0,\n        currentCode,\n        currentTemp,\n        line;\n      histogram[0] = 0;\n\n      while (currentLength <= prefixLengthMax) {\n        firstCode = (firstCode + histogram[currentLength - 1]) << 1;\n        currentCode = firstCode;\n        currentTemp = 0;\n        while (currentTemp < linesLength) {\n          line = lines[currentTemp];\n          if (line.prefixLength === currentLength) {\n            line.prefixCode = currentCode;\n            currentCode++;\n          }\n          currentTemp++;\n        }\n        currentLength++;\n      }\n    },\n  };\n\n  function decodeTablesSegment(data, start, end) {\n    // Decodes a Tables segment, i.e., a custom Huffman table.\n    // Annex B.2 Code table structure.\n    const flags = data[start];\n    const lowestValue = readUint32(data, start + 1) & 0xffffffff;\n    const highestValue = readUint32(data, start + 5) & 0xffffffff;\n    const reader = new Reader(data, start + 9, end);\n\n    const prefixSizeBits = ((flags >> 1) & 7) + 1;\n    const rangeSizeBits = ((flags >> 4) & 7) + 1;\n    const lines = [];\n    let prefixLength,\n      rangeLength,\n      currentRangeLow = lowestValue;\n\n    // Normal table lines\n    do {\n      prefixLength = reader.readBits(prefixSizeBits);\n      rangeLength = reader.readBits(rangeSizeBits);\n      lines.push(\n        new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0])\n      );\n      currentRangeLow += 1 << rangeLength;\n    } while (currentRangeLow < highestValue);\n\n    // Lower range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(\n      new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, \"lower\"])\n    );\n\n    // Upper range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));\n\n    if (flags & 1) {\n      // Out-of-band table line\n      prefixLength = reader.readBits(prefixSizeBits);\n      lines.push(new HuffmanLine([prefixLength, 0]));\n    }\n\n    return new HuffmanTable(lines, false);\n  }\n\n  const standardTablesCache = {};\n\n  function getStandardTable(number) {\n    // Annex B.5 Standard Huffman tables.\n    let table = standardTablesCache[number];\n    if (table) {\n      return table;\n    }\n    let lines;\n    switch (number) {\n      case 1:\n        lines = [\n          [0, 1, 4, 0x0],\n          [16, 2, 8, 0x2],\n          [272, 3, 16, 0x6],\n          [65808, 3, 32, 0x7], // upper\n        ];\n        break;\n      case 2:\n        lines = [\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [75, 6, 32, 0x3e], // upper\n          [6, 0x3f], // OOB\n        ];\n        break;\n      case 3:\n        lines = [\n          [-256, 8, 8, 0xfe],\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [-257, 8, 32, 0xff, \"lower\"],\n          [75, 7, 32, 0x7e], // upper\n          [6, 0x3e], // OOB\n        ];\n        break;\n      case 4:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [76, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 5:\n        lines = [\n          [-255, 7, 8, 0x7e],\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [-256, 7, 32, 0x7f, \"lower\"],\n          [76, 6, 32, 0x3e], // upper\n        ];\n        break;\n      case 6:\n        lines = [\n          [-2048, 5, 10, 0x1c],\n          [-1024, 4, 9, 0x8],\n          [-512, 4, 8, 0x9],\n          [-256, 4, 7, 0xa],\n          [-128, 5, 6, 0x1d],\n          [-64, 5, 5, 0x1e],\n          [-32, 4, 5, 0xb],\n          [0, 2, 7, 0x0],\n          [128, 3, 7, 0x2],\n          [256, 3, 8, 0x3],\n          [512, 4, 9, 0xc],\n          [1024, 4, 10, 0xd],\n          [-2049, 6, 32, 0x3e, \"lower\"],\n          [2048, 6, 32, 0x3f], // upper\n        ];\n        break;\n      case 7:\n        lines = [\n          [-1024, 4, 9, 0x8],\n          [-512, 3, 8, 0x0],\n          [-256, 4, 7, 0x9],\n          [-128, 5, 6, 0x1a],\n          [-64, 5, 5, 0x1b],\n          [-32, 4, 5, 0xa],\n          [0, 4, 5, 0xb],\n          [32, 5, 5, 0x1c],\n          [64, 5, 6, 0x1d],\n          [128, 4, 7, 0xc],\n          [256, 3, 8, 0x1],\n          [512, 3, 9, 0x2],\n          [1024, 3, 10, 0x3],\n          [-1025, 5, 32, 0x1e, \"lower\"],\n          [2048, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 8:\n        lines = [\n          [-15, 8, 3, 0xfc],\n          [-7, 9, 1, 0x1fc],\n          [-5, 8, 1, 0xfd],\n          [-3, 9, 0, 0x1fd],\n          [-2, 7, 0, 0x7c],\n          [-1, 4, 0, 0xa],\n          [0, 2, 1, 0x0],\n          [2, 5, 0, 0x1a],\n          [3, 6, 0, 0x3a],\n          [4, 3, 4, 0x4],\n          [20, 6, 1, 0x3b],\n          [22, 4, 4, 0xb],\n          [38, 4, 5, 0xc],\n          [70, 5, 6, 0x1b],\n          [134, 5, 7, 0x1c],\n          [262, 6, 7, 0x3c],\n          [390, 7, 8, 0x7d],\n          [646, 6, 10, 0x3d],\n          [-16, 9, 32, 0x1fe, \"lower\"],\n          [1670, 9, 32, 0x1ff], // upper\n          [2, 0x1], // OOB\n        ];\n        break;\n      case 9:\n        lines = [\n          [-31, 8, 4, 0xfc],\n          [-15, 9, 2, 0x1fc],\n          [-11, 8, 2, 0xfd],\n          [-7, 9, 1, 0x1fd],\n          [-5, 7, 1, 0x7c],\n          [-3, 4, 1, 0xa],\n          [-1, 3, 1, 0x2],\n          [1, 3, 1, 0x3],\n          [3, 5, 1, 0x1a],\n          [5, 6, 1, 0x3a],\n          [7, 3, 5, 0x4],\n          [39, 6, 2, 0x3b],\n          [43, 4, 5, 0xb],\n          [75, 4, 6, 0xc],\n          [139, 5, 7, 0x1b],\n          [267, 5, 8, 0x1c],\n          [523, 6, 8, 0x3c],\n          [779, 7, 9, 0x7d],\n          [1291, 6, 11, 0x3d],\n          [-32, 9, 32, 0x1fe, \"lower\"],\n          [3339, 9, 32, 0x1ff], // upper\n          [2, 0x0], // OOB\n        ];\n        break;\n      case 10:\n        lines = [\n          [-21, 7, 4, 0x7a],\n          [-5, 8, 0, 0xfc],\n          [-4, 7, 0, 0x7b],\n          [-3, 5, 0, 0x18],\n          [-2, 2, 2, 0x0],\n          [2, 5, 0, 0x19],\n          [3, 6, 0, 0x36],\n          [4, 7, 0, 0x7c],\n          [5, 8, 0, 0xfd],\n          [6, 2, 6, 0x1],\n          [70, 5, 5, 0x1a],\n          [102, 6, 5, 0x37],\n          [134, 6, 6, 0x38],\n          [198, 6, 7, 0x39],\n          [326, 6, 8, 0x3a],\n          [582, 6, 9, 0x3b],\n          [1094, 6, 10, 0x3c],\n          [2118, 7, 11, 0x7d],\n          [-22, 8, 32, 0xfe, \"lower\"],\n          [4166, 8, 32, 0xff], // upper\n          [2, 0x2], // OOB\n        ];\n        break;\n      case 11:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 1, 0x2],\n          [4, 4, 0, 0xc],\n          [5, 4, 1, 0xd],\n          [7, 5, 1, 0x1c],\n          [9, 5, 2, 0x1d],\n          [13, 6, 2, 0x3c],\n          [17, 7, 2, 0x7a],\n          [21, 7, 3, 0x7b],\n          [29, 7, 4, 0x7c],\n          [45, 7, 5, 0x7d],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 12:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 1, 0x6],\n          [5, 5, 0, 0x1c],\n          [6, 5, 1, 0x1d],\n          [8, 6, 1, 0x3c],\n          [10, 7, 0, 0x7a],\n          [11, 7, 1, 0x7b],\n          [13, 7, 2, 0x7c],\n          [17, 7, 3, 0x7d],\n          [25, 7, 4, 0x7e],\n          [41, 8, 5, 0xfe],\n          [73, 8, 32, 0xff], // upper\n        ];\n        break;\n      case 13:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 3, 0, 0x4],\n          [3, 4, 0, 0xc],\n          [4, 5, 0, 0x1c],\n          [5, 4, 1, 0xd],\n          [7, 3, 3, 0x5],\n          [15, 6, 1, 0x3a],\n          [17, 6, 2, 0x3b],\n          [21, 6, 3, 0x3c],\n          [29, 6, 4, 0x3d],\n          [45, 6, 5, 0x3e],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 14:\n        lines = [\n          [-2, 3, 0, 0x4],\n          [-1, 3, 0, 0x5],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x6],\n          [2, 3, 0, 0x7],\n        ];\n        break;\n      case 15:\n        lines = [\n          [-24, 7, 4, 0x7c],\n          [-8, 6, 2, 0x3c],\n          [-4, 5, 1, 0x1c],\n          [-2, 4, 0, 0xc],\n          [-1, 3, 0, 0x4],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x5],\n          [2, 4, 0, 0xd],\n          [3, 5, 1, 0x1d],\n          [5, 6, 2, 0x3d],\n          [9, 7, 4, 0x7d],\n          [-25, 7, 32, 0x7e, \"lower\"],\n          [25, 7, 32, 0x7f], // upper\n        ];\n        break;\n      default:\n        throw new Jbig2Error(`standard table B.${number} does not exist`);\n    }\n\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      lines[i] = new HuffmanLine(lines[i]);\n    }\n    table = new HuffmanTable(lines, true);\n    standardTablesCache[number] = table;\n    return table;\n  }\n\n  function Reader(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n    this.position = start;\n    this.shift = -1;\n    this.currentByte = 0;\n  }\n\n  Reader.prototype = {\n    readBit() {\n      if (this.shift < 0) {\n        if (this.position >= this.end) {\n          throw new Jbig2Error(\"end of data while reading bit\");\n        }\n        this.currentByte = this.data[this.position++];\n        this.shift = 7;\n      }\n      const bit = (this.currentByte >> this.shift) & 1;\n      this.shift--;\n      return bit;\n    },\n\n    readBits(numBits) {\n      let result = 0,\n        i;\n      for (i = numBits - 1; i >= 0; i--) {\n        result |= this.readBit() << i;\n      }\n      return result;\n    },\n\n    byteAlign() {\n      this.shift = -1;\n    },\n\n    next() {\n      if (this.position >= this.end) {\n        return -1;\n      }\n      return this.data[this.position++];\n    },\n  };\n\n  function getCustomHuffmanTable(index, referredTo, customTables) {\n    // Returns a Tables segment that has been earlier decoded.\n    // See 7.4.2.1.6 (symbol dictionary) or 7.4.3.1.6 (text region).\n    let currentIndex = 0;\n    for (let i = 0, ii = referredTo.length; i < ii; i++) {\n      const table = customTables[referredTo[i]];\n      if (table) {\n        if (index === currentIndex) {\n          return table;\n        }\n        currentIndex++;\n      }\n    }\n    throw new Jbig2Error(\"can't find custom Huffman table\");\n  }\n\n  function getTextRegionHuffmanTables(\n    textRegion,\n    referredTo,\n    customTables,\n    numberOfSymbols,\n    reader\n  ) {\n    // 7.4.3.1.7 Symbol ID Huffman table decoding\n\n    // Read code lengths for RUNCODEs 0...34.\n    const codes = [];\n    for (let i = 0; i <= 34; i++) {\n      const codeLength = reader.readBits(4);\n      codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n    }\n    // Assign Huffman codes for RUNCODEs.\n    const runCodesTable = new HuffmanTable(codes, false);\n\n    // Read a Huffman code using the assignment above.\n    // Interpret the RUNCODE codes and the additional bits (if any).\n    codes.length = 0;\n    for (let i = 0; i < numberOfSymbols; ) {\n      const codeLength = runCodesTable.decode(reader);\n      if (codeLength >= 32) {\n        let repeatedLength, numberOfRepeats, j;\n        switch (codeLength) {\n          case 32:\n            if (i === 0) {\n              throw new Jbig2Error(\"no previous value in symbol ID table\");\n            }\n            numberOfRepeats = reader.readBits(2) + 3;\n            repeatedLength = codes[i - 1].prefixLength;\n            break;\n          case 33:\n            numberOfRepeats = reader.readBits(3) + 3;\n            repeatedLength = 0;\n            break;\n          case 34:\n            numberOfRepeats = reader.readBits(7) + 11;\n            repeatedLength = 0;\n            break;\n          default:\n            throw new Jbig2Error(\"invalid code length in symbol ID table\");\n        }\n        for (j = 0; j < numberOfRepeats; j++) {\n          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));\n          i++;\n        }\n      } else {\n        codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n        i++;\n      }\n    }\n    reader.byteAlign();\n    const symbolIDTable = new HuffmanTable(codes, false);\n\n    // 7.4.3.1.6 Text region segment Huffman table selection\n\n    let customIndex = 0,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT;\n\n    switch (textRegion.huffmanFS) {\n      case 0:\n      case 1:\n        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);\n        break;\n      case 3:\n        tableFirstS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman FS selector\");\n    }\n\n    switch (textRegion.huffmanDS) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);\n        break;\n      case 3:\n        tableDeltaS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DS selector\");\n    }\n\n    switch (textRegion.huffmanDT) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);\n        break;\n      case 3:\n        tableDeltaT = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DT selector\");\n    }\n\n    if (textRegion.refinement) {\n      // Load tables RDW, RDH, RDX and RDY.\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    return {\n      symbolIDTable,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT,\n    };\n  }\n\n  function getSymbolDictionaryHuffmanTables(\n    dictionary,\n    referredTo,\n    customTables\n  ) {\n    // 7.4.2.1.6 Symbol dictionary segment Huffman table selection\n\n    let customIndex = 0,\n      tableDeltaHeight,\n      tableDeltaWidth;\n    switch (dictionary.huffmanDHSelector) {\n      case 0:\n      case 1:\n        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);\n        break;\n      case 3:\n        tableDeltaHeight = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DH selector\");\n    }\n\n    switch (dictionary.huffmanDWSelector) {\n      case 0:\n      case 1:\n        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);\n        break;\n      case 3:\n        tableDeltaWidth = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DW selector\");\n    }\n\n    let tableBitmapSize, tableAggregateInstances;\n    if (dictionary.bitmapSizeSelector) {\n      tableBitmapSize = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n      customIndex++;\n    } else {\n      tableBitmapSize = getStandardTable(1);\n    }\n\n    if (dictionary.aggregationInstancesSelector) {\n      tableAggregateInstances = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n    } else {\n      tableAggregateInstances = getStandardTable(1);\n    }\n\n    return {\n      tableDeltaHeight,\n      tableDeltaWidth,\n      tableBitmapSize,\n      tableAggregateInstances,\n    };\n  }\n\n  function readUncompressedBitmap(reader, width, height) {\n    const bitmap = [];\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      for (let x = 0; x < width; x++) {\n        row[x] = reader.readBit();\n      }\n      reader.byteAlign();\n    }\n    return bitmap;\n  }\n\n  function decodeMMRBitmap(input, width, height, endOfBlock) {\n    // MMR is the same compression algorithm as the PDF filter\n    // CCITTFaxDecode with /K -1.\n    const params = {\n      K: -1,\n      Columns: width,\n      Rows: height,\n      BlackIs1: true,\n      EndOfBlock: endOfBlock,\n    };\n    const decoder = new CCITTFaxDecoder(input, params);\n    const bitmap = [];\n    let currentByte,\n      eof = false;\n\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      let shift = -1;\n      for (let x = 0; x < width; x++) {\n        if (shift < 0) {\n          currentByte = decoder.readNextChar();\n          if (currentByte === -1) {\n            // Set the rest of the bits to zero.\n            currentByte = 0;\n            eof = true;\n          }\n          shift = 7;\n        }\n        row[x] = (currentByte >> shift) & 1;\n        shift--;\n      }\n    }\n\n    if (endOfBlock && !eof) {\n      // Read until EOFB has been consumed.\n      const lookForEOFLimit = 5;\n      for (let i = 0; i < lookForEOFLimit; i++) {\n        if (decoder.readNextChar() === -1) {\n          break;\n        }\n      }\n    }\n\n    return bitmap;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Jbig2Image() {}\n\n  Jbig2Image.prototype = {\n    parseChunks(chunks) {\n      return parseJbig2Chunks(chunks);\n    },\n\n    parse(data) {\n      const { imgData, width, height } = parseJbig2(data);\n      this.width = width;\n      this.height = height;\n      return imgData;\n    },\n  };\n\n  return Jbig2Image;\n})();\n\nexport { Jbig2Image };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\n\nfunction getLookupTableFactory(initializer) {\n  let lookup;\n  return function () {\n    if (initializer) {\n      lookup = Object.create(null);\n      initializer(lookup);\n      initializer = null;\n    }\n    return lookup;\n  };\n}\n\nclass MissingDataException extends BaseException {\n  constructor(begin, end) {\n    super(`Missing data [${begin}, ${end})`);\n    this.begin = begin;\n    this.end = end;\n  }\n}\n\nclass XRefEntryException extends BaseException {}\n\nclass XRefParseException extends BaseException {}\n\n/**\n * Get the value of an inheritable property.\n *\n * If the PDF specification explicitly lists a property in a dictionary as\n * inheritable, then the value of the property may be present in the dictionary\n * itself or in one or more parents of the dictionary.\n *\n * If the key is not found in the tree, `undefined` is returned. Otherwise,\n * the value for the key is returned or, if `stopWhenFound` is `false`, a list\n * of values is returned. To avoid infinite loops, the traversal is stopped when\n * the loop limit is reached.\n *\n * @param {Dict} dict - Dictionary from where to start the traversal.\n * @param {string} key - The key of the property to find the value for.\n * @param {boolean} getArray - Whether or not the value should be fetched as an\n *   array. The default value is `false`.\n * @param {boolean} stopWhenFound - Whether or not to stop the traversal when\n *   the key is found. If set to `false`, we always walk up the entire parent\n *   chain, for example to be able to find `\\Resources` placed on multiple\n *   levels of the tree. The default value is `true`.\n */\nfunction getInheritableProperty({\n  dict,\n  key,\n  getArray = false,\n  stopWhenFound = true,\n}) {\n  const LOOP_LIMIT = 100;\n  let loopCount = 0;\n  let values;\n\n  while (dict) {\n    const value = getArray ? dict.getArray(key) : dict.get(key);\n    if (value !== undefined) {\n      if (stopWhenFound) {\n        return value;\n      }\n      if (!values) {\n        values = [];\n      }\n      values.push(value);\n    }\n    if (++loopCount > LOOP_LIMIT) {\n      warn(`getInheritableProperty: maximum loop count exceeded for \"${key}\"`);\n      break;\n    }\n    dict = dict.get(\"Parent\");\n  }\n  return values;\n}\n\n// prettier-ignore\nconst ROMAN_NUMBER_MAP = [\n  \"\", \"C\", \"CC\", \"CCC\", \"CD\", \"D\", \"DC\", \"DCC\", \"DCCC\", \"CM\",\n  \"\", \"X\", \"XX\", \"XXX\", \"XL\", \"L\", \"LX\", \"LXX\", \"LXXX\", \"XC\",\n  \"\", \"I\", \"II\", \"III\", \"IV\", \"V\", \"VI\", \"VII\", \"VIII\", \"IX\"\n];\n\n/**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {number} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n *   to lower case letters. The default value is `false`.\n * @returns {string} The resulting Roman number.\n */\nfunction toRomanNumerals(number, lowerCase = false) {\n  assert(\n    Number.isInteger(number) && number > 0,\n    \"The number should be a positive integer.\"\n  );\n  const romanBuf = [];\n  let pos;\n  // Thousands\n  while (number >= 1000) {\n    number -= 1000;\n    romanBuf.push(\"M\");\n  }\n  // Hundreds\n  pos = (number / 100) | 0;\n  number %= 100;\n  romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n  // Tens\n  pos = (number / 10) | 0;\n  number %= 10;\n  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n  // Ones\n  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n  const romanStr = romanBuf.join(\"\");\n  return lowerCase ? romanStr.toLowerCase() : romanStr;\n}\n\n// Calculate the base 2 logarithm of the number `x`. This differs from the\n// native function in the sense that it returns the ceiling value and that it\n// returns 0 instead of `Infinity`/`NaN` for `x` values smaller than/equal to 0.\nfunction log2(x) {\n  if (x <= 0) {\n    return 0;\n  }\n  return Math.ceil(Math.log2(x));\n}\n\nfunction readInt8(data, offset) {\n  return (data[offset] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n  return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n  return (\n    ((data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]) >>>\n    0\n  );\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isWhiteSpace(ch) {\n  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;\n}\n\nexport {\n  getLookupTableFactory,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n  getInheritableProperty,\n  toRomanNumerals,\n  log2,\n  readInt8,\n  readUint16,\n  readUint32,\n  isWhiteSpace,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// Table C-2\nconst QeTable = [\n  { qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1 },\n  { qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0 },\n  { qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 4, nlps: 12, switchFlag: 0 },\n  { qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0 },\n  { qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0 },\n  { qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1 },\n  { qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0 },\n  { qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0 },\n  { qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0 },\n  { qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0 },\n  { qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 13, nlps: 20, switchFlag: 0 },\n  { qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0 },\n  { qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1 },\n  { qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0 },\n  { qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0 },\n  { qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0 },\n  { qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0 },\n  { qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0 },\n  { qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0 },\n  { qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0 },\n  { qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0 },\n  { qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 25, nlps: 22, switchFlag: 0 },\n  { qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0 },\n  { qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0 },\n  { qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0 },\n  { qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0 },\n  { qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 31, nlps: 28, switchFlag: 0 },\n  { qe: 0x09c1, nmps: 32, nlps: 29, switchFlag: 0 },\n  { qe: 0x08a1, nmps: 33, nlps: 30, switchFlag: 0 },\n  { qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0 },\n  { qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0 },\n  { qe: 0x02a1, nmps: 36, nlps: 33, switchFlag: 0 },\n  { qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0 },\n  { qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0 },\n  { qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0 },\n  { qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0 },\n  { qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0 },\n  { qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0 },\n  { qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0 },\n  { qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0 },\n  { qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0 },\n  { qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0 },\n  { qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0 },\n];\n\n/**\n * This class implements the QM Coder decoding as defined in\n *   JPEG 2000 Part I Final Committee Draft Version 1.0\n *   Annex C.3 Arithmetic decoding procedure\n * available at http://www.jpeg.org/public/fcd15444-1.pdf\n *\n * The arithmetic decoder is used in conjunction with context models to decode\n * JPEG2000 and JBIG2 streams.\n */\nclass ArithmeticDecoder {\n  // C.3.5 Initialisation of the decoder (INITDEC)\n  constructor(data, start, end) {\n    this.data = data;\n    this.bp = start;\n    this.dataEnd = end;\n\n    this.chigh = data[start];\n    this.clow = 0;\n\n    this.byteIn();\n\n    this.chigh = ((this.chigh << 7) & 0xffff) | ((this.clow >> 9) & 0x7f);\n    this.clow = (this.clow << 7) & 0xffff;\n    this.ct -= 7;\n    this.a = 0x8000;\n  }\n\n  // C.3.4 Compressed data input (BYTEIN)\n  byteIn() {\n    const data = this.data;\n    let bp = this.bp;\n\n    if (data[bp] === 0xff) {\n      if (data[bp + 1] > 0x8f) {\n        this.clow += 0xff00;\n        this.ct = 8;\n      } else {\n        bp++;\n        this.clow += data[bp] << 9;\n        this.ct = 7;\n        this.bp = bp;\n      }\n    } else {\n      bp++;\n      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;\n      this.ct = 8;\n      this.bp = bp;\n    }\n    if (this.clow > 0xffff) {\n      this.chigh += this.clow >> 16;\n      this.clow &= 0xffff;\n    }\n  }\n\n  // C.3.2 Decoding a decision (DECODE)\n  readBit(contexts, pos) {\n    // Contexts are packed into 1 byte:\n    // highest 7 bits carry cx.index, lowest bit carries cx.mps\n    let cx_index = contexts[pos] >> 1,\n      cx_mps = contexts[pos] & 1;\n    const qeTableIcx = QeTable[cx_index];\n    const qeIcx = qeTableIcx.qe;\n    let d;\n    let a = this.a - qeIcx;\n\n    if (this.chigh < qeIcx) {\n      // exchangeLps\n      if (a < qeIcx) {\n        a = qeIcx;\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      } else {\n        a = qeIcx;\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      }\n    } else {\n      this.chigh -= qeIcx;\n      if ((a & 0x8000) !== 0) {\n        this.a = a;\n        return cx_mps;\n      }\n      // exchangeMps\n      if (a < qeIcx) {\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      } else {\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      }\n    }\n    // C.3.3 renormD;\n    do {\n      if (this.ct === 0) {\n        this.byteIn();\n      }\n\n      a <<= 1;\n      this.chigh = ((this.chigh << 1) & 0xffff) | ((this.clow >> 15) & 1);\n      this.clow = (this.clow << 1) & 0xffff;\n      this.ct--;\n    } while ((a & 0x8000) === 0);\n    this.a = a;\n\n    contexts[pos] = (cx_index << 1) | cx_mps;\n    return d;\n  }\n}\n\nexport { ArithmeticDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The CCITT stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\n/**\n * @typedef {Object} CCITTFaxDecoderSource\n * @property {function} next - Method that return one byte of data for decoding,\n *   or -1 when EOF is reached.\n */\n\nimport { info } from \"../shared/util.js\";\n\nconst CCITTFaxDecoder = (function CCITTFaxDecoder() {\n  const ccittEOL = -2;\n  const ccittEOF = -1;\n  const twoDimPass = 0;\n  const twoDimHoriz = 1;\n  const twoDimVert0 = 2;\n  const twoDimVertR1 = 3;\n  const twoDimVertL1 = 4;\n  const twoDimVertR2 = 5;\n  const twoDimVertL2 = 6;\n  const twoDimVertR3 = 7;\n  const twoDimVertL3 = 8;\n\n  // prettier-ignore\n  const twoDimTable = [\n    [-1, -1], [-1, -1],                   // 000000x\n    [7, twoDimVertL3],                    // 0000010\n    [7, twoDimVertR3],                    // 0000011\n    [6, twoDimVertL2], [6, twoDimVertL2], // 000010x\n    [6, twoDimVertR2], [6, twoDimVertR2], // 000011x\n    [4, twoDimPass], [4, twoDimPass],     // 0001xxx\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [3, twoDimHoriz], [3, twoDimHoriz],   // 001xxxx\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [1, twoDimVert0], [1, twoDimVert0],   // 1xxxxxx\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0]\n  ];\n\n  // prettier-ignore\n  const whiteTable1 = [\n    [-1, -1],                               // 00000\n    [12, ccittEOL],                         // 00001\n    [-1, -1], [-1, -1],                     // 0001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx\n    [11, 1792], [11, 1792],                 // 1000x\n    [12, 1984],                             // 10010\n    [12, 2048],                             // 10011\n    [12, 2112],                             // 10100\n    [12, 2176],                             // 10101\n    [12, 2240],                             // 10110\n    [12, 2304],                             // 10111\n    [11, 1856], [11, 1856],                 // 1100x\n    [11, 1920], [11, 1920],                 // 1101x\n    [12, 2368],                             // 11100\n    [12, 2432],                             // 11101\n    [12, 2496],                             // 11110\n    [12, 2560]                              // 11111\n  ];\n\n  // prettier-ignore\n  const whiteTable2 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],     // 0000000xx\n    [8, 29], [8, 29],                           // 00000010x\n    [8, 30], [8, 30],                           // 00000011x\n    [8, 45], [8, 45],                           // 00000100x\n    [8, 46], [8, 46],                           // 00000101x\n    [7, 22], [7, 22], [7, 22], [7, 22],         // 0000011xx\n    [7, 23], [7, 23], [7, 23], [7, 23],         // 0000100xx\n    [8, 47], [8, 47],                           // 00001010x\n    [8, 48], [8, 48],                           // 00001011x\n    [6, 13], [6, 13], [6, 13], [6, 13],         // 000011xxx\n    [6, 13], [6, 13], [6, 13], [6, 13],\n    [7, 20], [7, 20], [7, 20], [7, 20],         // 0001000xx\n    [8, 33], [8, 33],                           // 00010010x\n    [8, 34], [8, 34],                           // 00010011x\n    [8, 35], [8, 35],                           // 00010100x\n    [8, 36], [8, 36],                           // 00010101x\n    [8, 37], [8, 37],                           // 00010110x\n    [8, 38], [8, 38],                           // 00010111x\n    [7, 19], [7, 19], [7, 19], [7, 19],         // 0001100xx\n    [8, 31], [8, 31],                           // 00011010x\n    [8, 32], [8, 32],                           // 00011011x\n    [6, 1], [6, 1], [6, 1], [6, 1],             // 000111xxx\n    [6, 1], [6, 1], [6, 1], [6, 1],\n    [6, 12], [6, 12], [6, 12], [6, 12],         // 001000xxx\n    [6, 12], [6, 12], [6, 12], [6, 12],\n    [8, 53], [8, 53],                           // 00100100x\n    [8, 54], [8, 54],                           // 00100101x\n    [7, 26], [7, 26], [7, 26], [7, 26],         // 0010011xx\n    [8, 39], [8, 39],                           // 00101000x\n    [8, 40], [8, 40],                           // 00101001x\n    [8, 41], [8, 41],                           // 00101010x\n    [8, 42], [8, 42],                           // 00101011x\n    [8, 43], [8, 43],                           // 00101100x\n    [8, 44], [8, 44],                           // 00101101x\n    [7, 21], [7, 21], [7, 21], [7, 21],         // 0010111xx\n    [7, 28], [7, 28], [7, 28], [7, 28],         // 0011000xx\n    [8, 61], [8, 61],                           // 00110010x\n    [8, 62], [8, 62],                           // 00110011x\n    [8, 63], [8, 63],                           // 00110100x\n    [8, 0], [8, 0],                             // 00110101x\n    [8, 320], [8, 320],                         // 00110110x\n    [8, 384], [8, 384],                         // 00110111x\n    [5, 10], [5, 10], [5, 10], [5, 10],         // 00111xxxx\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 11], [5, 11], [5, 11], [5, 11],         // 01000xxxx\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [7, 27], [7, 27], [7, 27], [7, 27],         // 0100100xx\n    [8, 59], [8, 59],                           // 01001010x\n    [8, 60], [8, 60],                           // 01001011x\n    [9, 1472],                                  // 010011000\n    [9, 1536],                                  // 010011001\n    [9, 1600],                                  // 010011010\n    [9, 1728],                                  // 010011011\n    [7, 18], [7, 18], [7, 18], [7, 18],         // 0100111xx\n    [7, 24], [7, 24], [7, 24], [7, 24],         // 0101000xx\n    [8, 49], [8, 49],                           // 01010010x\n    [8, 50], [8, 50],                           // 01010011x\n    [8, 51], [8, 51],                           // 01010100x\n    [8, 52], [8, 52],                           // 01010101x\n    [7, 25], [7, 25], [7, 25], [7, 25],         // 0101011xx\n    [8, 55], [8, 55],                           // 01011000x\n    [8, 56], [8, 56],                           // 01011001x\n    [8, 57], [8, 57],                           // 01011010x\n    [8, 58], [8, 58],                           // 01011011x\n    [6, 192], [6, 192], [6, 192], [6, 192],     // 010111xxx\n    [6, 192], [6, 192], [6, 192], [6, 192],\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664],\n    [8, 448], [8, 448],                         // 01100100x\n    [8, 512], [8, 512],                         // 01100101x\n    [9, 704],                                   // 011001100\n    [9, 768],                                   // 011001101\n    [8, 640], [8, 640],                         // 01100111x\n    [8, 576], [8, 576],                         // 01101000x\n    [9, 832],                                   // 011010010\n    [9, 896],                                   // 011010011\n    [9, 960],                                   // 011010100\n    [9, 1024],                                  // 011010101\n    [9, 1088],                                  // 011010110\n    [9, 1152],                                  // 011010111\n    [9, 1216],                                  // 011011000\n    [9, 1280],                                  // 011011001\n    [9, 1344],                                  // 011011010\n    [9, 1408],                                  // 011011011\n    [7, 256], [7, 256], [7, 256], [7, 256],     // 0110111xx\n    [4, 2], [4, 2], [4, 2], [4, 2],             // 0111xxxxx\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 3], [4, 3], [4, 3], [4, 3],             // 1000xxxxx\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [5, 128], [5, 128], [5, 128], [5, 128],     // 10010xxxx\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 8], [5, 8], [5, 8], [5, 8],             // 10011xxxx\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 9], [5, 9], [5, 9], [5, 9],             // 10100xxxx\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [6, 16], [6, 16], [6, 16], [6, 16],         // 101010xxx\n    [6, 16], [6, 16], [6, 16], [6, 16],\n    [6, 17], [6, 17], [6, 17], [6, 17],         // 101011xxx\n    [6, 17], [6, 17], [6, 17], [6, 17],\n    [4, 4], [4, 4], [4, 4], [4, 4],             // 1011xxxxx\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 5], [4, 5], [4, 5], [4, 5],             // 1100xxxxx\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [6, 14], [6, 14], [6, 14], [6, 14],         // 110100xxx\n    [6, 14], [6, 14], [6, 14], [6, 14],\n    [6, 15], [6, 15], [6, 15], [6, 15],         // 110101xxx\n    [6, 15], [6, 15], [6, 15], [6, 15],\n    [5, 64], [5, 64], [5, 64], [5, 64],         // 11011xxxx\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [4, 6], [4, 6], [4, 6], [4, 6],             // 1110xxxxx\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 7], [4, 7], [4, 7], [4, 7],             // 1111xxxxx\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7]\n  ];\n\n  // prettier-ignore\n  const blackTable1 = [\n    [-1, -1], [-1, -1],                             // 000000000000x\n    [12, ccittEOL], [12, ccittEOL],                 // 000000000001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000011xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000100xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000101xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000110xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000111xx\n    [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx\n    [12, 1984], [12, 1984],                         // 000000010010x\n    [12, 2048], [12, 2048],                         // 000000010011x\n    [12, 2112], [12, 2112],                         // 000000010100x\n    [12, 2176], [12, 2176],                         // 000000010101x\n    [12, 2240], [12, 2240],                         // 000000010110x\n    [12, 2304], [12, 2304],                         // 000000010111x\n    [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx\n    [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx\n    [12, 2368], [12, 2368],                         // 000000011100x\n    [12, 2432], [12, 2432],                         // 000000011101x\n    [12, 2496], [12, 2496],                         // 000000011110x\n    [12, 2560], [12, 2560],                         // 000000011111x\n    [10, 18], [10, 18], [10, 18], [10, 18],         // 0000001000xxx\n    [10, 18], [10, 18], [10, 18], [10, 18],\n    [12, 52], [12, 52],                             // 000000100100x\n    [13, 640],                                      // 0000001001010\n    [13, 704],                                      // 0000001001011\n    [13, 768],                                      // 0000001001100\n    [13, 832],                                      // 0000001001101\n    [12, 55], [12, 55],                             // 000000100111x\n    [12, 56], [12, 56],                             // 000000101000x\n    [13, 1280],                                     // 0000001010010\n    [13, 1344],                                     // 0000001010011\n    [13, 1408],                                     // 0000001010100\n    [13, 1472],                                     // 0000001010101\n    [12, 59], [12, 59],                             // 000000101011x\n    [12, 60], [12, 60],                             // 000000101100x\n    [13, 1536],                                     // 0000001011010\n    [13, 1600],                                     // 0000001011011\n    [11, 24], [11, 24], [11, 24], [11, 24],         // 00000010111xx\n    [11, 25], [11, 25], [11, 25], [11, 25],         // 00000011000xx\n    [13, 1664],                                     // 0000001100100\n    [13, 1728],                                     // 0000001100101\n    [12, 320], [12, 320],                           // 000000110011x\n    [12, 384], [12, 384],                           // 000000110100x\n    [12, 448], [12, 448],                           // 000000110101x\n    [13, 512],                                      // 0000001101100\n    [13, 576],                                      // 0000001101101\n    [12, 53], [12, 53],                             // 000000110111x\n    [12, 54], [12, 54],                             // 000000111000x\n    [13, 896],                                      // 0000001110010\n    [13, 960],                                      // 0000001110011\n    [13, 1024],                                     // 0000001110100\n    [13, 1088],                                     // 0000001110101\n    [13, 1152],                                     // 0000001110110\n    [13, 1216],                                     // 0000001110111\n    [10, 64], [10, 64], [10, 64], [10, 64],         // 0000001111xxx\n    [10, 64], [10, 64], [10, 64], [10, 64]\n  ];\n\n  // prettier-ignore\n  const blackTable2 = [\n    [8, 13], [8, 13], [8, 13], [8, 13],     // 00000100xxxx\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [11, 23], [11, 23],                     // 00000101000x\n    [12, 50],                               // 000001010010\n    [12, 51],                               // 000001010011\n    [12, 44],                               // 000001010100\n    [12, 45],                               // 000001010101\n    [12, 46],                               // 000001010110\n    [12, 47],                               // 000001010111\n    [12, 57],                               // 000001011000\n    [12, 58],                               // 000001011001\n    [12, 61],                               // 000001011010\n    [12, 256],                              // 000001011011\n    [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx\n    [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx\n    [12, 48],                               // 000001100100\n    [12, 49],                               // 000001100101\n    [12, 62],                               // 000001100110\n    [12, 63],                               // 000001100111\n    [12, 30],                               // 000001101000\n    [12, 31],                               // 000001101001\n    [12, 32],                               // 000001101010\n    [12, 33],                               // 000001101011\n    [12, 40],                               // 000001101100\n    [12, 41],                               // 000001101101\n    [11, 22], [11, 22],                     // 00000110111x\n    [8, 14], [8, 14], [8, 14], [8, 14],     // 00000111xxxx\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [7, 10], [7, 10], [7, 10], [7, 10],     // 0000100xxxxx\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 11], [7, 11], [7, 11], [7, 11],     // 0000101xxxxx\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [9, 15], [9, 15], [9, 15], [9, 15],     // 000011000xxx\n    [9, 15], [9, 15], [9, 15], [9, 15],\n    [12, 128],                              // 000011001000\n    [12, 192],                              // 000011001001\n    [12, 26],                               // 000011001010\n    [12, 27],                               // 000011001011\n    [12, 28],                               // 000011001100\n    [12, 29],                               // 000011001101\n    [11, 19], [11, 19],                     // 00001100111x\n    [11, 20], [11, 20],                     // 00001101000x\n    [12, 34],                               // 000011010010\n    [12, 35],                               // 000011010011\n    [12, 36],                               // 000011010100\n    [12, 37],                               // 000011010101\n    [12, 38],                               // 000011010110\n    [12, 39],                               // 000011010111\n    [11, 21], [11, 21],                     // 00001101100x\n    [12, 42],                               // 000011011010\n    [12, 43],                               // 000011011011\n    [10, 0], [10, 0], [10, 0], [10, 0],     // 0000110111xx\n    [7, 12], [7, 12], [7, 12], [7, 12],     // 0000111xxxxx\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12]\n  ];\n\n  // prettier-ignore\n  const blackTable3 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx\n    [6, 9],                                 // 000100\n    [6, 8],                                 // 000101\n    [5, 7], [5, 7],                         // 00011x\n    [4, 6], [4, 6], [4, 6], [4, 6],         // 0010xx\n    [4, 5], [4, 5], [4, 5], [4, 5],         // 0011xx\n    [3, 1], [3, 1], [3, 1], [3, 1],         // 010xxx\n    [3, 1], [3, 1], [3, 1], [3, 1],\n    [3, 4], [3, 4], [3, 4], [3, 4],         // 011xxx\n    [3, 4], [3, 4], [3, 4], [3, 4],\n    [2, 3], [2, 3], [2, 3], [2, 3],         // 10xxxx\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 2], [2, 2], [2, 2], [2, 2],         // 11xxxx\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2]\n  ];\n\n  /**\n   * @param {CCITTFaxDecoderSource} source - The data which should be decoded.\n   * @param {Object} [options] - Decoding options.\n   */\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxDecoder(source, options = {}) {\n    if (!source || typeof source.next !== \"function\") {\n      throw new Error('CCITTFaxDecoder - invalid \"source\" parameter.');\n    }\n    this.source = source;\n    this.eof = false;\n\n    this.encoding = options.K || 0;\n    this.eoline = options.EndOfLine || false;\n    this.byteAlign = options.EncodedByteAlign || false;\n    this.columns = options.Columns || 1728;\n    this.rows = options.Rows || 0;\n    let eoblock = options.EndOfBlock;\n    if (eoblock === null || eoblock === undefined) {\n      eoblock = true;\n    }\n    this.eoblock = eoblock;\n    this.black = options.BlackIs1 || false;\n\n    this.codingLine = new Uint32Array(this.columns + 1);\n    this.refLine = new Uint32Array(this.columns + 2);\n\n    this.codingLine[0] = this.columns;\n    this.codingPos = 0;\n\n    this.row = 0;\n    this.nextLine2D = this.encoding < 0;\n    this.inputBits = 0;\n    this.inputBuf = 0;\n    this.outputBits = 0;\n    this.rowsDone = false;\n\n    let code1;\n    while ((code1 = this._lookBits(12)) === 0) {\n      this._eatBits(1);\n    }\n    if (code1 === 1) {\n      this._eatBits(12);\n    }\n    if (this.encoding > 0) {\n      this.nextLine2D = !this._lookBits(1);\n      this._eatBits(1);\n    }\n  }\n\n  CCITTFaxDecoder.prototype = {\n    readNextChar() {\n      if (this.eof) {\n        return -1;\n      }\n      const refLine = this.refLine;\n      const codingLine = this.codingLine;\n      const columns = this.columns;\n\n      let refPos, blackPixels, bits, i;\n\n      if (this.outputBits === 0) {\n        if (this.rowsDone) {\n          this.eof = true;\n        }\n        if (this.eof) {\n          return -1;\n        }\n        this.err = false;\n\n        let code1, code2, code3;\n        if (this.nextLine2D) {\n          for (i = 0; codingLine[i] < columns; ++i) {\n            refLine[i] = codingLine[i];\n          }\n          refLine[i++] = columns;\n          refLine[i] = columns;\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          refPos = 0;\n          blackPixels = 0;\n\n          while (codingLine[this.codingPos] < columns) {\n            code1 = this._getTwoDimCode();\n            switch (code1) {\n              case twoDimPass:\n                this._addPixels(refLine[refPos + 1], blackPixels);\n                if (refLine[refPos + 1] < columns) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimHoriz:\n                code1 = code2 = 0;\n                if (blackPixels) {\n                  do {\n                    code1 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                } else {\n                  do {\n                    code1 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                }\n                this._addPixels(\n                  codingLine[this.codingPos] + code1,\n                  blackPixels\n                );\n                if (codingLine[this.codingPos] < columns) {\n                  this._addPixels(\n                    codingLine[this.codingPos] + code2,\n                    blackPixels ^ 1\n                  );\n                }\n                while (\n                  refLine[refPos] <= codingLine[this.codingPos] &&\n                  refLine[refPos] < columns\n                ) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimVertR3:\n                this._addPixels(refLine[refPos] + 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR2:\n                this._addPixels(refLine[refPos] + 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR1:\n                this._addPixels(refLine[refPos] + 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVert0:\n                this._addPixels(refLine[refPos], blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL3:\n                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL2:\n                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL1:\n                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case ccittEOF:\n                this._addPixels(columns, 0);\n                this.eof = true;\n                break;\n              default:\n                info(\"bad 2d code\");\n                this._addPixels(columns, 0);\n                this.err = true;\n            }\n          }\n        } else {\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          blackPixels = 0;\n          while (codingLine[this.codingPos] < columns) {\n            code1 = 0;\n            if (blackPixels) {\n              do {\n                code1 += code3 = this._getBlackCode();\n              } while (code3 >= 64);\n            } else {\n              do {\n                code1 += code3 = this._getWhiteCode();\n              } while (code3 >= 64);\n            }\n            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);\n            blackPixels ^= 1;\n          }\n        }\n\n        let gotEOL = false;\n\n        if (this.byteAlign) {\n          this.inputBits &= ~7;\n        }\n\n        if (!this.eoblock && this.row === this.rows - 1) {\n          this.rowsDone = true;\n        } else {\n          code1 = this._lookBits(12);\n          if (this.eoline) {\n            while (code1 !== ccittEOF && code1 !== 1) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          } else {\n            while (code1 === 0) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          }\n          if (code1 === 1) {\n            this._eatBits(12);\n            gotEOL = true;\n          } else if (code1 === ccittEOF) {\n            this.eof = true;\n          }\n        }\n\n        if (!this.eof && this.encoding > 0 && !this.rowsDone) {\n          this.nextLine2D = !this._lookBits(1);\n          this._eatBits(1);\n        }\n\n        if (this.eoblock && gotEOL && this.byteAlign) {\n          code1 = this._lookBits(12);\n          if (code1 === 1) {\n            this._eatBits(12);\n            if (this.encoding > 0) {\n              this._lookBits(1);\n              this._eatBits(1);\n            }\n            if (this.encoding >= 0) {\n              for (i = 0; i < 4; ++i) {\n                code1 = this._lookBits(12);\n                if (code1 !== 1) {\n                  info(\"bad rtc code: \" + code1);\n                }\n                this._eatBits(12);\n                if (this.encoding > 0) {\n                  this._lookBits(1);\n                  this._eatBits(1);\n                }\n              }\n            }\n            this.eof = true;\n          }\n        } else if (this.err && this.eoline) {\n          while (true) {\n            code1 = this._lookBits(13);\n            if (code1 === ccittEOF) {\n              this.eof = true;\n              return -1;\n            }\n            if (code1 >> 1 === 1) {\n              break;\n            }\n            this._eatBits(1);\n          }\n          this._eatBits(12);\n          if (this.encoding > 0) {\n            this._eatBits(1);\n            this.nextLine2D = !(code1 & 1);\n          }\n        }\n\n        if (codingLine[0] > 0) {\n          this.outputBits = codingLine[(this.codingPos = 0)];\n        } else {\n          this.outputBits = codingLine[(this.codingPos = 1)];\n        }\n        this.row++;\n      }\n\n      let c;\n      if (this.outputBits >= 8) {\n        c = this.codingPos & 1 ? 0 : 0xff;\n        this.outputBits -= 8;\n        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {\n          this.codingPos++;\n          this.outputBits =\n            codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n        }\n      } else {\n        bits = 8;\n        c = 0;\n        do {\n          if (this.outputBits > bits) {\n            c <<= bits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - bits);\n            }\n            this.outputBits -= bits;\n            bits = 0;\n          } else {\n            c <<= this.outputBits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - this.outputBits);\n            }\n            bits -= this.outputBits;\n            this.outputBits = 0;\n            if (codingLine[this.codingPos] < columns) {\n              this.codingPos++;\n              this.outputBits =\n                codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n            } else if (bits > 0) {\n              c <<= bits;\n              bits = 0;\n            }\n          }\n        } while (bits);\n      }\n      if (this.black) {\n        c ^= 0xff;\n      }\n      return c;\n    },\n\n    /**\n     * @private\n     */\n    _addPixels(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      }\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * @private\n     */\n    _addPixelsNeg(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      } else if (a1 < codingLine[codingPos]) {\n        if (a1 < 0) {\n          info(\"invalid code\");\n          this.err = true;\n          a1 = 0;\n        }\n        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {\n          --codingPos;\n        }\n        codingLine[codingPos] = a1;\n      }\n\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * This function returns the code found from the table.\n     * The start and end parameters set the boundaries for searching the table.\n     * The limit parameter is optional. Function returns an array with three\n     * values. The first array element indicates whether a valid code is being\n     * returned. The second array element is the actual code. The third array\n     * element indicates whether EOF was reached.\n     * @private\n     */\n    _findTableCode(start, end, table, limit) {\n      const limitValue = limit || 0;\n      for (let i = start; i <= end; ++i) {\n        let code = this._lookBits(i);\n        if (code === ccittEOF) {\n          return [true, 1, false];\n        }\n        if (i < end) {\n          code <<= end - i;\n        }\n        if (!limitValue || code >= limitValue) {\n          const p = table[code - limitValue];\n          if (p[0] === i) {\n            this._eatBits(i);\n            return [true, p[1], true];\n          }\n        }\n      }\n      return [false, 0, false];\n    },\n\n    /**\n     * @private\n     */\n    _getTwoDimCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(7);\n        p = twoDimTable[code];\n        if (p && p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        const result = this._findTableCode(1, 7, twoDimTable);\n        if (result[0] && result[2]) {\n          return result[1];\n        }\n      }\n      info(\"Bad two dim code\");\n      return ccittEOF;\n    },\n\n    /**\n     * @private\n     */\n    _getWhiteCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(12);\n        if (code === ccittEOF) {\n          return 1;\n        }\n\n        if (code >> 5 === 0) {\n          p = whiteTable1[code];\n        } else {\n          p = whiteTable2[code >> 3];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(1, 9, whiteTable2);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(11, 12, whiteTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad white code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _getBlackCode() {\n      let code, p;\n      if (this.eoblock) {\n        code = this._lookBits(13);\n        if (code === ccittEOF) {\n          return 1;\n        }\n        if (code >> 7 === 0) {\n          p = blackTable1[code];\n        } else if (code >> 9 === 0 && code >> 7 !== 0) {\n          p = blackTable2[(code >> 1) - 64];\n        } else {\n          p = blackTable3[code >> 7];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(2, 6, blackTable3);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(7, 12, blackTable2, 64);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(10, 13, blackTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad black code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _lookBits(n) {\n      let c;\n      while (this.inputBits < n) {\n        if ((c = this.source.next()) === -1) {\n          if (this.inputBits === 0) {\n            return ccittEOF;\n          }\n          return (this.inputBuf << (n - this.inputBits)) & (0xffff >> (16 - n));\n        }\n        this.inputBuf = (this.inputBuf << 8) | c;\n        this.inputBits += 8;\n      }\n      return (this.inputBuf >> (this.inputBits - n)) & (0xffff >> (16 - n));\n    },\n\n    /**\n     * @private\n     */\n    _eatBits(n) {\n      if ((this.inputBits -= n) < 0) {\n        this.inputBits = 0;\n      }\n    },\n  };\n\n  return CCITTFaxDecoder;\n})();\n\nexport { CCITTFaxDecoder };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the 'License');\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an 'AS IS' BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\nimport { readUint16 } from \"./core_utils.js\";\n\nclass JpegError extends BaseException {\n  constructor(msg) {\n    super(`JPEG error: ${msg}`);\n  }\n}\n\nclass DNLMarkerError extends BaseException {\n  constructor(message, scanLines) {\n    super(message);\n    this.scanLines = scanLines;\n  }\n}\n\nclass EOIMarkerError extends BaseException {}\n\n/**\n * This code was forked from https://github.com/notmasteryet/jpgjs.\n * The original version was created by GitHub user notmasteryet.\n *\n * - The JPEG specification can be found in the ITU CCITT Recommendation T.81\n *   (www.w3.org/Graphics/JPEG/itu-t81.pdf)\n * - The JFIF specification can be found in the JPEG File Interchange Format\n *   (www.w3.org/Graphics/JPEG/jfif3.pdf)\n * - The Adobe Application-Specific JPEG markers in the\n *   Supporting the DCT Filters in PostScript Level 2, Technical Note #5116\n *   (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)\n */\n\nvar JpegImage = (function JpegImageClosure() {\n  // prettier-ignore\n  var dctZigZag = new Uint8Array([\n     0,\n     1,  8,\n    16,  9,  2,\n     3, 10, 17, 24,\n    32, 25, 18, 11, 4,\n     5, 12, 19, 26, 33, 40,\n    48, 41, 34, 27, 20, 13,  6,\n     7, 14, 21, 28, 35, 42, 49, 56,\n    57, 50, 43, 36, 29, 22, 15,\n    23, 30, 37, 44, 51, 58,\n    59, 52, 45, 38, 31,\n    39, 46, 53, 60,\n    61, 54, 47,\n    55, 62,\n    63\n  ]);\n\n  var dctCos1 = 4017; // cos(pi/16)\n  var dctSin1 = 799; // sin(pi/16)\n  var dctCos3 = 3406; // cos(3*pi/16)\n  var dctSin3 = 2276; // sin(3*pi/16)\n  var dctCos6 = 1567; // cos(6*pi/16)\n  var dctSin6 = 3784; // sin(6*pi/16)\n  var dctSqrt2 = 5793; // sqrt(2)\n  var dctSqrt1d2 = 2896; // sqrt(2) / 2\n\n  // eslint-disable-next-line no-shadow\n  function JpegImage({ decodeTransform = null, colorTransform = -1 } = {}) {\n    this._decodeTransform = decodeTransform;\n    this._colorTransform = colorTransform;\n  }\n\n  function buildHuffmanTable(codeLengths, values) {\n    var k = 0,\n      code = [],\n      i,\n      j,\n      length = 16;\n    while (length > 0 && !codeLengths[length - 1]) {\n      length--;\n    }\n    code.push({ children: [], index: 0 });\n    var p = code[0],\n      q;\n    for (i = 0; i < length; i++) {\n      for (j = 0; j < codeLengths[i]; j++) {\n        p = code.pop();\n        p.children[p.index] = values[k];\n        while (p.index > 0) {\n          p = code.pop();\n        }\n        p.index++;\n        code.push(p);\n        while (code.length <= i) {\n          code.push((q = { children: [], index: 0 }));\n          p.children[p.index] = q.children;\n          p = q;\n        }\n        k++;\n      }\n      if (i + 1 < length) {\n        // p here points to last code\n        code.push((q = { children: [], index: 0 }));\n        p.children[p.index] = q.children;\n        p = q;\n      }\n    }\n    return code[0].children;\n  }\n\n  function getBlockBufferOffset(component, row, col) {\n    return 64 * ((component.blocksPerLine + 1) * row + col);\n  }\n\n  function decodeScan(\n    data,\n    offset,\n    frame,\n    components,\n    resetInterval,\n    spectralStart,\n    spectralEnd,\n    successivePrev,\n    successive,\n    parseDNLMarker = false\n  ) {\n    var mcusPerLine = frame.mcusPerLine;\n    var progressive = frame.progressive;\n\n    const startOffset = offset;\n    let bitsData = 0,\n      bitsCount = 0;\n\n    function readBit() {\n      if (bitsCount > 0) {\n        bitsCount--;\n        return (bitsData >> bitsCount) & 1;\n      }\n      bitsData = data[offset++];\n      if (bitsData === 0xff) {\n        var nextByte = data[offset++];\n        if (nextByte) {\n          if (nextByte === /* DNL = */ 0xdc && parseDNLMarker) {\n            offset += 2; // Skip marker length.\n\n            const scanLines = readUint16(data, offset);\n            offset += 2;\n            if (scanLines > 0 && scanLines !== frame.scanLines) {\n              throw new DNLMarkerError(\n                \"Found DNL marker (0xFFDC) while parsing scan data\",\n                scanLines\n              );\n            }\n          } else if (nextByte === /* EOI = */ 0xd9) {\n            if (parseDNLMarker) {\n              // NOTE: only 8-bit JPEG images are supported in this decoder.\n              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);\n              // Heuristic to attempt to handle corrupt JPEG images with too\n              // large `scanLines` parameter, by falling back to the currently\n              // parsed number of scanLines when it's at least (approximately)\n              // one order of magnitude smaller than expected (fixes\n              // issue10880.pdf and issue10989.pdf).\n              if (\n                maybeScanLines > 0 &&\n                Math.round(frame.scanLines / maybeScanLines) >= 10\n              ) {\n                throw new DNLMarkerError(\n                  \"Found EOI marker (0xFFD9) while parsing scan data, \" +\n                    \"possibly caused by incorrect `scanLines` parameter\",\n                  maybeScanLines\n                );\n              }\n            }\n            throw new EOIMarkerError(\n              \"Found EOI marker (0xFFD9) while parsing scan data\"\n            );\n          }\n          throw new JpegError(\n            `unexpected marker ${((bitsData << 8) | nextByte).toString(16)}`\n          );\n        }\n        // unstuff 0\n      }\n      bitsCount = 7;\n      return bitsData >>> 7;\n    }\n\n    function decodeHuffman(tree) {\n      var node = tree;\n      while (true) {\n        node = node[readBit()];\n        switch (typeof node) {\n          case \"number\":\n            return node;\n          case \"object\":\n            continue;\n        }\n        throw new JpegError(\"invalid huffman sequence\");\n      }\n    }\n\n    function receive(length) {\n      var n = 0;\n      while (length > 0) {\n        n = (n << 1) | readBit();\n        length--;\n      }\n      return n;\n    }\n\n    function receiveAndExtend(length) {\n      if (length === 1) {\n        return readBit() === 1 ? 1 : -1;\n      }\n      var n = receive(length);\n      if (n >= 1 << (length - 1)) {\n        return n;\n      }\n      return n + (-1 << length) + 1;\n    }\n\n    function decodeBaseline(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t);\n      component.blockData[blockOffset] = component.pred += diff;\n      var k = 1;\n      while (k < 64) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] = receiveAndExtend(s);\n        k++;\n      }\n    }\n\n    function decodeDCFirst(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;\n      component.blockData[blockOffset] = component.pred += diff;\n    }\n\n    function decodeDCSuccessive(component, blockOffset) {\n      component.blockData[blockOffset] |= readBit() << successive;\n    }\n\n    var eobrun = 0;\n    function decodeACFirst(component, blockOffset) {\n      if (eobrun > 0) {\n        eobrun--;\n        return;\n      }\n      var k = spectralStart,\n        e = spectralEnd;\n      while (k <= e) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            eobrun = receive(r) + (1 << r) - 1;\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] =\n          receiveAndExtend(s) * (1 << successive);\n        k++;\n      }\n    }\n\n    var successiveACState = 0,\n      successiveACNextValue;\n    function decodeACSuccessive(component, blockOffset) {\n      var k = spectralStart;\n      var e = spectralEnd;\n      var r = 0;\n      var s;\n      var rs;\n      while (k <= e) {\n        const offsetZ = blockOffset + dctZigZag[k];\n        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;\n        switch (successiveACState) {\n          case 0: // initial state\n            rs = decodeHuffman(component.huffmanTableAC);\n            s = rs & 15;\n            r = rs >> 4;\n            if (s === 0) {\n              if (r < 15) {\n                eobrun = receive(r) + (1 << r);\n                successiveACState = 4;\n              } else {\n                r = 16;\n                successiveACState = 1;\n              }\n            } else {\n              if (s !== 1) {\n                throw new JpegError(\"invalid ACn encoding\");\n              }\n              successiveACNextValue = receiveAndExtend(s);\n              successiveACState = r ? 2 : 3;\n            }\n            continue;\n          case 1: // skipping r zero items\n          case 2:\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              r--;\n              if (r === 0) {\n                successiveACState = successiveACState === 2 ? 3 : 0;\n              }\n            }\n            break;\n          case 3: // set value for a zero item\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              component.blockData[offsetZ] =\n                successiveACNextValue << successive;\n              successiveACState = 0;\n            }\n            break;\n          case 4: // eob\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            }\n            break;\n        }\n        k++;\n      }\n      if (successiveACState === 4) {\n        eobrun--;\n        if (eobrun === 0) {\n          successiveACState = 0;\n        }\n      }\n    }\n\n    let blockRow = 0;\n    function decodeMcu(component, decode, mcu, row, col) {\n      var mcuRow = (mcu / mcusPerLine) | 0;\n      var mcuCol = mcu % mcusPerLine;\n      blockRow = mcuRow * component.v + row;\n      var blockCol = mcuCol * component.h + col;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    function decodeBlock(component, decode, mcu) {\n      blockRow = (mcu / component.blocksPerLine) | 0;\n      var blockCol = mcu % component.blocksPerLine;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    var componentsLength = components.length;\n    var component, i, j, k, n;\n    var decodeFn;\n    if (progressive) {\n      if (spectralStart === 0) {\n        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;\n      } else {\n        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;\n      }\n    } else {\n      decodeFn = decodeBaseline;\n    }\n\n    var mcu = 0,\n      fileMarker;\n    var mcuExpected;\n    if (componentsLength === 1) {\n      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;\n    } else {\n      mcuExpected = mcusPerLine * frame.mcusPerColumn;\n    }\n\n    var h, v;\n    while (mcu <= mcuExpected) {\n      // reset interval stuff\n      var mcuToRead = resetInterval\n        ? Math.min(mcuExpected - mcu, resetInterval)\n        : mcuExpected;\n\n      // The `mcuToRead === 0` case should only occur when all of the expected\n      // MCU data has been already parsed, i.e. when `mcu === mcuExpected`, but\n      // some corrupt JPEG images contain more data than intended and we thus\n      // want to skip over any extra RSTx markers below (fixes issue11794.pdf).\n      if (mcuToRead > 0) {\n        for (i = 0; i < componentsLength; i++) {\n          components[i].pred = 0;\n        }\n        eobrun = 0;\n\n        if (componentsLength === 1) {\n          component = components[0];\n          for (n = 0; n < mcuToRead; n++) {\n            decodeBlock(component, decodeFn, mcu);\n            mcu++;\n          }\n        } else {\n          for (n = 0; n < mcuToRead; n++) {\n            for (i = 0; i < componentsLength; i++) {\n              component = components[i];\n              h = component.h;\n              v = component.v;\n              for (j = 0; j < v; j++) {\n                for (k = 0; k < h; k++) {\n                  decodeMcu(component, decodeFn, mcu, j, k);\n                }\n              }\n            }\n            mcu++;\n          }\n        }\n      }\n\n      // find marker\n      bitsCount = 0;\n      fileMarker = findNextFileMarker(data, offset);\n      if (!fileMarker) {\n        break; // Reached the end of the image data without finding any marker.\n      }\n      if (fileMarker.invalid) {\n        // Some bad images seem to pad Scan blocks with e.g. zero bytes, skip\n        // past those to attempt to find a valid marker (fixes issue4090.pdf).\n        const partialMsg = mcuToRead > 0 ? \"unexpected\" : \"excessive\";\n        warn(\n          `decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`\n        );\n        offset = fileMarker.offset;\n      }\n      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {\n        // RSTx\n        offset += 2;\n      } else {\n        break;\n      }\n    }\n\n    return offset - startOffset;\n  }\n\n  // A port of poppler's IDCT method which in turn is taken from:\n  //   Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,\n  //   'Practical Fast 1-D DCT Algorithms with 11 Multiplications',\n  //   IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,\n  //   988-991.\n  function quantizeAndInverse(component, blockBufferOffset, p) {\n    var qt = component.quantizationTable,\n      blockData = component.blockData;\n    var v0, v1, v2, v3, v4, v5, v6, v7;\n    var p0, p1, p2, p3, p4, p5, p6, p7;\n    var t;\n\n    if (!qt) {\n      throw new JpegError(\"missing required Quantization Table.\");\n    }\n\n    // inverse DCT on rows\n    for (var row = 0; row < 64; row += 8) {\n      // gather block data\n      p0 = blockData[blockBufferOffset + row];\n      p1 = blockData[blockBufferOffset + row + 1];\n      p2 = blockData[blockBufferOffset + row + 2];\n      p3 = blockData[blockBufferOffset + row + 3];\n      p4 = blockData[blockBufferOffset + row + 4];\n      p5 = blockData[blockBufferOffset + row + 5];\n      p6 = blockData[blockBufferOffset + row + 6];\n      p7 = blockData[blockBufferOffset + row + 7];\n\n      // dequant p0\n      p0 *= qt[row];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 512) >> 10;\n        p[row] = t;\n        p[row + 1] = t;\n        p[row + 2] = t;\n        p[row + 3] = t;\n        p[row + 4] = t;\n        p[row + 5] = t;\n        p[row + 6] = t;\n        p[row + 7] = t;\n        continue;\n      }\n      // dequant p1 ... p7\n      p1 *= qt[row + 1];\n      p2 *= qt[row + 2];\n      p3 *= qt[row + 3];\n      p4 *= qt[row + 4];\n      p5 *= qt[row + 5];\n      p6 *= qt[row + 6];\n      p7 *= qt[row + 7];\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 128) >> 8;\n      v1 = (dctSqrt2 * p4 + 128) >> 8;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8;\n      v5 = p3 << 4;\n      v6 = p5 << 4;\n\n      // stage 3\n      v0 = (v0 + v1 + 1) >> 1;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p[row] = v0 + v7;\n      p[row + 7] = v0 - v7;\n      p[row + 1] = v1 + v6;\n      p[row + 6] = v1 - v6;\n      p[row + 2] = v2 + v5;\n      p[row + 5] = v2 - v5;\n      p[row + 3] = v3 + v4;\n      p[row + 4] = v3 - v4;\n    }\n\n    // inverse DCT on columns\n    for (var col = 0; col < 8; ++col) {\n      p0 = p[col];\n      p1 = p[col + 8];\n      p2 = p[col + 16];\n      p3 = p[col + 24];\n      p4 = p[col + 32];\n      p5 = p[col + 40];\n      p6 = p[col + 48];\n      p7 = p[col + 56];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 8192) >> 14;\n        // Convert to 8-bit.\n        if (t < -2040) {\n          t = 0;\n        } else if (t >= 2024) {\n          t = 255;\n        } else {\n          t = (t + 2056) >> 4;\n        }\n        blockData[blockBufferOffset + col] = t;\n        blockData[blockBufferOffset + col + 8] = t;\n        blockData[blockBufferOffset + col + 16] = t;\n        blockData[blockBufferOffset + col + 24] = t;\n        blockData[blockBufferOffset + col + 32] = t;\n        blockData[blockBufferOffset + col + 40] = t;\n        blockData[blockBufferOffset + col + 48] = t;\n        blockData[blockBufferOffset + col + 56] = t;\n        continue;\n      }\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 2048) >> 12;\n      v1 = (dctSqrt2 * p4 + 2048) >> 12;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12;\n      v5 = p3;\n      v6 = p5;\n\n      // stage 3\n      // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when\n      // converting to UInt8 range later.\n      v0 = ((v0 + v1 + 1) >> 1) + 4112;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p0 = v0 + v7;\n      p7 = v0 - v7;\n      p1 = v1 + v6;\n      p6 = v1 - v6;\n      p2 = v2 + v5;\n      p5 = v2 - v5;\n      p3 = v3 + v4;\n      p4 = v3 - v4;\n\n      // Convert to 8-bit integers.\n      if (p0 < 16) {\n        p0 = 0;\n      } else if (p0 >= 4080) {\n        p0 = 255;\n      } else {\n        p0 >>= 4;\n      }\n      if (p1 < 16) {\n        p1 = 0;\n      } else if (p1 >= 4080) {\n        p1 = 255;\n      } else {\n        p1 >>= 4;\n      }\n      if (p2 < 16) {\n        p2 = 0;\n      } else if (p2 >= 4080) {\n        p2 = 255;\n      } else {\n        p2 >>= 4;\n      }\n      if (p3 < 16) {\n        p3 = 0;\n      } else if (p3 >= 4080) {\n        p3 = 255;\n      } else {\n        p3 >>= 4;\n      }\n      if (p4 < 16) {\n        p4 = 0;\n      } else if (p4 >= 4080) {\n        p4 = 255;\n      } else {\n        p4 >>= 4;\n      }\n      if (p5 < 16) {\n        p5 = 0;\n      } else if (p5 >= 4080) {\n        p5 = 255;\n      } else {\n        p5 >>= 4;\n      }\n      if (p6 < 16) {\n        p6 = 0;\n      } else if (p6 >= 4080) {\n        p6 = 255;\n      } else {\n        p6 >>= 4;\n      }\n      if (p7 < 16) {\n        p7 = 0;\n      } else if (p7 >= 4080) {\n        p7 = 255;\n      } else {\n        p7 >>= 4;\n      }\n\n      // store block data\n      blockData[blockBufferOffset + col] = p0;\n      blockData[blockBufferOffset + col + 8] = p1;\n      blockData[blockBufferOffset + col + 16] = p2;\n      blockData[blockBufferOffset + col + 24] = p3;\n      blockData[blockBufferOffset + col + 32] = p4;\n      blockData[blockBufferOffset + col + 40] = p5;\n      blockData[blockBufferOffset + col + 48] = p6;\n      blockData[blockBufferOffset + col + 56] = p7;\n    }\n  }\n\n  function buildComponentData(frame, component) {\n    var blocksPerLine = component.blocksPerLine;\n    var blocksPerColumn = component.blocksPerColumn;\n    var computationBuffer = new Int16Array(64);\n\n    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {\n      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {\n        var offset = getBlockBufferOffset(component, blockRow, blockCol);\n        quantizeAndInverse(component, offset, computationBuffer);\n      }\n    }\n    return component.blockData;\n  }\n\n  function findNextFileMarker(data, currentPos, startPos = currentPos) {\n    const maxPos = data.length - 1;\n    var newPos = startPos < currentPos ? startPos : currentPos;\n\n    if (currentPos >= maxPos) {\n      return null; // Don't attempt to read non-existent data and just return.\n    }\n    var currentMarker = readUint16(data, currentPos);\n    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {\n      return {\n        invalid: null,\n        marker: currentMarker,\n        offset: currentPos,\n      };\n    }\n    var newMarker = readUint16(data, newPos);\n    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {\n      if (++newPos >= maxPos) {\n        return null; // Don't attempt to read non-existent data and just return.\n      }\n      newMarker = readUint16(data, newPos);\n    }\n    return {\n      invalid: currentMarker.toString(16),\n      marker: newMarker,\n      offset: newPos,\n    };\n  }\n\n  JpegImage.prototype = {\n    parse(data, { dnlScanLines = null } = {}) {\n      function readDataBlock() {\n        const length = readUint16(data, offset);\n        offset += 2;\n        let endOffset = offset + length - 2;\n\n        var fileMarker = findNextFileMarker(data, endOffset, offset);\n        if (fileMarker && fileMarker.invalid) {\n          warn(\n            \"readDataBlock - incorrect length, current marker is: \" +\n              fileMarker.invalid\n          );\n          endOffset = fileMarker.offset;\n        }\n\n        var array = data.subarray(offset, endOffset);\n        offset += array.length;\n        return array;\n      }\n\n      function prepareComponents(frame) {\n        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);\n        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);\n        for (var i = 0; i < frame.components.length; i++) {\n          component = frame.components[i];\n          var blocksPerLine = Math.ceil(\n            (Math.ceil(frame.samplesPerLine / 8) * component.h) / frame.maxH\n          );\n          var blocksPerColumn = Math.ceil(\n            (Math.ceil(frame.scanLines / 8) * component.v) / frame.maxV\n          );\n          var blocksPerLineForMcu = mcusPerLine * component.h;\n          var blocksPerColumnForMcu = mcusPerColumn * component.v;\n\n          var blocksBufferSize =\n            64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);\n          component.blockData = new Int16Array(blocksBufferSize);\n          component.blocksPerLine = blocksPerLine;\n          component.blocksPerColumn = blocksPerColumn;\n        }\n        frame.mcusPerLine = mcusPerLine;\n        frame.mcusPerColumn = mcusPerColumn;\n      }\n\n      var offset = 0;\n      var jfif = null;\n      var adobe = null;\n      var frame, resetInterval;\n      let numSOSMarkers = 0;\n      var quantizationTables = [];\n      var huffmanTablesAC = [],\n        huffmanTablesDC = [];\n\n      let fileMarker = readUint16(data, offset);\n      offset += 2;\n      if (fileMarker !== /* SOI (Start of Image) = */ 0xffd8) {\n        throw new JpegError(\"SOI not found\");\n      }\n      fileMarker = readUint16(data, offset);\n      offset += 2;\n\n      markerLoop: while (fileMarker !== /* EOI (End of Image) = */ 0xffd9) {\n        var i, j, l;\n        switch (fileMarker) {\n          case 0xffe0: // APP0 (Application Specific)\n          case 0xffe1: // APP1\n          case 0xffe2: // APP2\n          case 0xffe3: // APP3\n          case 0xffe4: // APP4\n          case 0xffe5: // APP5\n          case 0xffe6: // APP6\n          case 0xffe7: // APP7\n          case 0xffe8: // APP8\n          case 0xffe9: // APP9\n          case 0xffea: // APP10\n          case 0xffeb: // APP11\n          case 0xffec: // APP12\n          case 0xffed: // APP13\n          case 0xffee: // APP14\n          case 0xffef: // APP15\n          case 0xfffe: // COM (Comment)\n            var appData = readDataBlock();\n\n            if (fileMarker === 0xffe0) {\n              // 'JFIF\\x00'\n              if (\n                appData[0] === 0x4a &&\n                appData[1] === 0x46 &&\n                appData[2] === 0x49 &&\n                appData[3] === 0x46 &&\n                appData[4] === 0\n              ) {\n                jfif = {\n                  version: { major: appData[5], minor: appData[6] },\n                  densityUnits: appData[7],\n                  xDensity: (appData[8] << 8) | appData[9],\n                  yDensity: (appData[10] << 8) | appData[11],\n                  thumbWidth: appData[12],\n                  thumbHeight: appData[13],\n                  thumbData: appData.subarray(\n                    14,\n                    14 + 3 * appData[12] * appData[13]\n                  ),\n                };\n              }\n            }\n            // TODO APP1 - Exif\n            if (fileMarker === 0xffee) {\n              // 'Adobe'\n              if (\n                appData[0] === 0x41 &&\n                appData[1] === 0x64 &&\n                appData[2] === 0x6f &&\n                appData[3] === 0x62 &&\n                appData[4] === 0x65\n              ) {\n                adobe = {\n                  version: (appData[5] << 8) | appData[6],\n                  flags0: (appData[7] << 8) | appData[8],\n                  flags1: (appData[9] << 8) | appData[10],\n                  transformCode: appData[11],\n                };\n              }\n            }\n            break;\n\n          case 0xffdb: // DQT (Define Quantization Tables)\n            const quantizationTablesLength = readUint16(data, offset);\n            offset += 2;\n            var quantizationTablesEnd = quantizationTablesLength + offset - 2;\n            var z;\n            while (offset < quantizationTablesEnd) {\n              var quantizationTableSpec = data[offset++];\n              var tableData = new Uint16Array(64);\n              if (quantizationTableSpec >> 4 === 0) {\n                // 8 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = data[offset++];\n                }\n              } else if (quantizationTableSpec >> 4 === 1) {\n                // 16 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = readUint16(data, offset);\n                  offset += 2;\n                }\n              } else {\n                throw new JpegError(\"DQT - invalid table spec\");\n              }\n              quantizationTables[quantizationTableSpec & 15] = tableData;\n            }\n            break;\n\n          case 0xffc0: // SOF0 (Start of Frame, Baseline DCT)\n          case 0xffc1: // SOF1 (Start of Frame, Extended DCT)\n          case 0xffc2: // SOF2 (Start of Frame, Progressive DCT)\n            if (frame) {\n              throw new JpegError(\"Only single frame JPEGs supported\");\n            }\n            offset += 2; // Skip marker length.\n\n            frame = {};\n            frame.extended = fileMarker === 0xffc1;\n            frame.progressive = fileMarker === 0xffc2;\n            frame.precision = data[offset++];\n            const sofScanLines = readUint16(data, offset);\n            offset += 2;\n            frame.scanLines = dnlScanLines || sofScanLines;\n            frame.samplesPerLine = readUint16(data, offset);\n            offset += 2;\n            frame.components = [];\n            frame.componentIds = {};\n            var componentsCount = data[offset++],\n              componentId;\n            var maxH = 0,\n              maxV = 0;\n            for (i = 0; i < componentsCount; i++) {\n              componentId = data[offset];\n              var h = data[offset + 1] >> 4;\n              var v = data[offset + 1] & 15;\n              if (maxH < h) {\n                maxH = h;\n              }\n              if (maxV < v) {\n                maxV = v;\n              }\n              var qId = data[offset + 2];\n              l = frame.components.push({\n                h,\n                v,\n                quantizationId: qId,\n                quantizationTable: null, // See comment below.\n              });\n              frame.componentIds[componentId] = l - 1;\n              offset += 3;\n            }\n            frame.maxH = maxH;\n            frame.maxV = maxV;\n            prepareComponents(frame);\n            break;\n\n          case 0xffc4: // DHT (Define Huffman Tables)\n            const huffmanLength = readUint16(data, offset);\n            offset += 2;\n            for (i = 2; i < huffmanLength; ) {\n              var huffmanTableSpec = data[offset++];\n              var codeLengths = new Uint8Array(16);\n              var codeLengthSum = 0;\n              for (j = 0; j < 16; j++, offset++) {\n                codeLengthSum += codeLengths[j] = data[offset];\n              }\n              var huffmanValues = new Uint8Array(codeLengthSum);\n              for (j = 0; j < codeLengthSum; j++, offset++) {\n                huffmanValues[j] = data[offset];\n              }\n              i += 17 + codeLengthSum;\n\n              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[\n                huffmanTableSpec & 15\n              ] = buildHuffmanTable(codeLengths, huffmanValues);\n            }\n            break;\n\n          case 0xffdd: // DRI (Define Restart Interval)\n            offset += 2; // Skip marker length.\n\n            resetInterval = readUint16(data, offset);\n            offset += 2;\n            break;\n\n          case 0xffda: // SOS (Start of Scan)\n            // A DNL marker (0xFFDC), if it exists, is only allowed at the end\n            // of the first scan segment and may only occur once in an image.\n            // Furthermore, to prevent an infinite loop, do *not* attempt to\n            // parse DNL markers during re-parsing of the JPEG scan data.\n            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;\n\n            offset += 2; // Skip marker length.\n\n            var selectorsCount = data[offset++];\n            var components = [],\n              component;\n            for (i = 0; i < selectorsCount; i++) {\n              const index = data[offset++];\n              var componentIndex = frame.componentIds[index];\n              component = frame.components[componentIndex];\n              component.index = index;\n              var tableSpec = data[offset++];\n              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];\n              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];\n              components.push(component);\n            }\n            var spectralStart = data[offset++];\n            var spectralEnd = data[offset++];\n            var successiveApproximation = data[offset++];\n            try {\n              var processed = decodeScan(\n                data,\n                offset,\n                frame,\n                components,\n                resetInterval,\n                spectralStart,\n                spectralEnd,\n                successiveApproximation >> 4,\n                successiveApproximation & 15,\n                parseDNLMarker\n              );\n              offset += processed;\n            } catch (ex) {\n              if (ex instanceof DNLMarkerError) {\n                warn(`${ex.message} -- attempting to re-parse the JPEG image.`);\n                return this.parse(data, { dnlScanLines: ex.scanLines });\n              } else if (ex instanceof EOIMarkerError) {\n                warn(`${ex.message} -- ignoring the rest of the image data.`);\n                break markerLoop;\n              }\n              throw ex;\n            }\n            break;\n\n          case 0xffdc: // DNL (Define Number of Lines)\n            // Ignore the marker, since it's being handled in `decodeScan`.\n            offset += 4;\n            break;\n\n          case 0xffff: // Fill bytes\n            if (data[offset] !== 0xff) {\n              // Avoid skipping a valid marker.\n              offset--;\n            }\n            break;\n\n          default:\n            // Could be incorrect encoding -- the last 0xFF byte of the previous\n            // block could have been eaten by the encoder, hence we fallback to\n            // `startPos = offset - 3` when looking for the next valid marker.\n            const nextFileMarker = findNextFileMarker(\n              data,\n              /* currentPos = */ offset - 2,\n              /* startPos = */ offset - 3\n            );\n            if (nextFileMarker && nextFileMarker.invalid) {\n              warn(\n                \"JpegImage.parse - unexpected data, current marker is: \" +\n                  nextFileMarker.invalid\n              );\n              offset = nextFileMarker.offset;\n              break;\n            }\n            if (offset >= data.length - 1) {\n              warn(\n                \"JpegImage.parse - reached the end of the image data \" +\n                  \"without finding an EOI marker (0xFFD9).\"\n              );\n              break markerLoop;\n            }\n            throw new JpegError(\n              \"JpegImage.parse - unknown marker: \" + fileMarker.toString(16)\n            );\n        }\n        fileMarker = readUint16(data, offset);\n        offset += 2;\n      }\n\n      this.width = frame.samplesPerLine;\n      this.height = frame.scanLines;\n      this.jfif = jfif;\n      this.adobe = adobe;\n      this.components = [];\n      for (i = 0; i < frame.components.length; i++) {\n        component = frame.components[i];\n\n        // Prevent errors when DQT markers are placed after SOF{n} markers,\n        // by assigning the `quantizationTable` entry after the entire image\n        // has been parsed (fixes issue7406.pdf).\n        var quantizationTable = quantizationTables[component.quantizationId];\n        if (quantizationTable) {\n          component.quantizationTable = quantizationTable;\n        }\n\n        this.components.push({\n          index: component.index,\n          output: buildComponentData(frame, component),\n          scaleX: component.h / frame.maxH,\n          scaleY: component.v / frame.maxV,\n          blocksPerLine: component.blocksPerLine,\n          blocksPerColumn: component.blocksPerColumn,\n        });\n      }\n      this.numComponents = this.components.length;\n      return undefined;\n    },\n\n    _getLinearizedBlockData(width, height, isSourcePDF = false) {\n      var scaleX = this.width / width,\n        scaleY = this.height / height;\n\n      var component, componentScaleX, componentScaleY, blocksPerScanline;\n      var x, y, i, j, k;\n      var index;\n      var offset = 0;\n      var output;\n      var numComponents = this.components.length;\n      var dataLength = width * height * numComponents;\n      var data = new Uint8ClampedArray(dataLength);\n      var xScaleBlockOffset = new Uint32Array(width);\n      var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs\n      let lastComponentScaleX;\n\n      for (i = 0; i < numComponents; i++) {\n        component = this.components[i];\n        componentScaleX = component.scaleX * scaleX;\n        componentScaleY = component.scaleY * scaleY;\n        offset = i;\n        output = component.output;\n        blocksPerScanline = (component.blocksPerLine + 1) << 3;\n        // Precalculate the `xScaleBlockOffset`. Since it doesn't depend on the\n        // component data, that's only necessary when `componentScaleX` changes.\n        if (componentScaleX !== lastComponentScaleX) {\n          for (x = 0; x < width; x++) {\n            j = 0 | (x * componentScaleX);\n            xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7);\n          }\n          lastComponentScaleX = componentScaleX;\n        }\n        // linearize the blocks of the component\n        for (y = 0; y < height; y++) {\n          j = 0 | (y * componentScaleY);\n          index = (blocksPerScanline * (j & mask3LSB)) | ((j & 7) << 3);\n          for (x = 0; x < width; x++) {\n            data[offset] = output[index + xScaleBlockOffset[x]];\n            offset += numComponents;\n          }\n        }\n      }\n\n      // decodeTransform contains pairs of multiplier (-256..256) and additive\n      let transform = this._decodeTransform;\n\n      // In PDF files, JPEG images with CMYK colour spaces are usually inverted\n      // (this can be observed by extracting the raw image data).\n      // Since the conversion algorithms (see below) were written primarily for\n      // the PDF use-cases, attempting to use `JpegImage` to parse standalone\n      // JPEG (CMYK) images may thus result in inverted images (see issue 9513).\n      //\n      // Unfortunately it's not (always) possible to tell, from the image data\n      // alone, if it needs to be inverted. Thus in an attempt to provide better\n      // out-of-box behaviour when `JpegImage` is used standalone, default to\n      // inverting JPEG (CMYK) images if and only if the image data does *not*\n      // come from a PDF file and no `decodeTransform` was passed by the user.\n      if (!isSourcePDF && numComponents === 4 && !transform) {\n        // prettier-ignore\n        transform = new Int32Array([\n          -256, 255, -256, 255, -256, 255, -256, 255]);\n      }\n\n      if (transform) {\n        for (i = 0; i < dataLength; ) {\n          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {\n            data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1];\n          }\n        }\n      }\n      return data;\n    },\n\n    get _isColorConversionNeeded() {\n      if (this.adobe) {\n        // The adobe transform marker overrides any previous setting.\n        return !!this.adobe.transformCode;\n      }\n      if (this.numComponents === 3) {\n        if (this._colorTransform === 0) {\n          // If the Adobe transform marker is not present and the image\n          // dictionary has a 'ColorTransform' entry, explicitly set to `0`,\n          // then the colours should *not* be transformed.\n          return false;\n        } else if (\n          this.components[0].index === /* \"R\" = */ 0x52 &&\n          this.components[1].index === /* \"G\" = */ 0x47 &&\n          this.components[2].index === /* \"B\" = */ 0x42\n        ) {\n          // If the three components are indexed as RGB in ASCII\n          // then the colours should *not* be transformed.\n          return false;\n        }\n        return true;\n      }\n      // `this.numComponents !== 3`\n      if (this._colorTransform === 1) {\n        // If the Adobe transform marker is not present and the image\n        // dictionary has a 'ColorTransform' entry, explicitly set to `1`,\n        // then the colours should be transformed.\n        return true;\n      }\n      return false;\n    },\n\n    _convertYccToRgb: function convertYccToRgb(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 3) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = Y - 179.456 + 1.402 * Cr;\n        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;\n        data[i + 2] = Y - 226.816 + 1.772 * Cb;\n      }\n      return data;\n    },\n\n    _convertYcckToRgb: function convertYcckToRgb(data) {\n      var Y, Cb, Cr, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          -122.67195406894 +\n          Cb *\n            (-6.60635669420364e-5 * Cb +\n              0.000437130475926232 * Cr -\n              5.4080610064599e-5 * Y +\n              0.00048449797120281 * k -\n              0.154362151871126) +\n          Cr *\n            (-0.000957964378445773 * Cr +\n              0.000817076911346625 * Y -\n              0.00477271405408747 * k +\n              1.53380253221734) +\n          Y *\n            (0.000961250184130688 * Y -\n              0.00266257332283933 * k +\n              0.48357088451265) +\n          k * (-0.000336197177618394 * k + 0.484791561490776);\n\n        data[offset++] =\n          107.268039397724 +\n          Cb *\n            (2.19927104525741e-5 * Cb -\n              0.000640992018297945 * Cr +\n              0.000659397001245577 * Y +\n              0.000426105652938837 * k -\n              0.176491792462875) +\n          Cr *\n            (-0.000778269941513683 * Cr +\n              0.00130872261408275 * Y +\n              0.000770482631801132 * k -\n              0.151051492775562) +\n          Y *\n            (0.00126935368114843 * Y -\n              0.00265090189010898 * k +\n              0.25802910206845) +\n          k * (-0.000318913117588328 * k - 0.213742400323665);\n\n        data[offset++] =\n          -20.810012546947 +\n          Cb *\n            (-0.000570115196973677 * Cb -\n              2.63409051004589e-5 * Cr +\n              0.0020741088115012 * Y -\n              0.00288260236853442 * k +\n              0.814272968359295) +\n          Cr *\n            (-1.53496057440975e-5 * Cr -\n              0.000132689043961446 * Y +\n              0.000560833691242812 * k -\n              0.195152027534049) +\n          Y *\n            (0.00174418132927582 * Y -\n              0.00255243321439347 * k +\n              0.116935020465145) +\n          k * (-0.000343531996510555 * k + 0.24165260232407);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    _convertYcckToCmyk: function convertYcckToCmyk(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = 434.456 - Y - 1.402 * Cr;\n        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;\n        data[i + 2] = 481.816 - Y - 1.772 * Cb;\n        // K in data[i + 3] is unchanged\n      }\n      return data;\n    },\n\n    _convertCmykToRgb: function convertCmykToRgb(data) {\n      var c, m, y, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        c = data[i];\n        m = data[i + 1];\n        y = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          255 +\n          c *\n            (-0.00006747147073602441 * c +\n              0.0008379262121013727 * m +\n              0.0002894718188643294 * y +\n              0.003264231057537806 * k -\n              1.1185611867203937) +\n          m *\n            (0.000026374107616089405 * m -\n              0.00008626949158638572 * y -\n              0.0002748769067499491 * k -\n              0.02155688794978967) +\n          y *\n            (-0.00003878099212869363 * y -\n              0.0003267808279485286 * k +\n              0.0686742238595345) -\n          k * (0.0003361971776183937 * k + 0.7430659151342254);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.00013596372813588848 * c +\n              0.000924537132573585 * m +\n              0.00010567359618683593 * y +\n              0.0004791864687436512 * k -\n              0.3109689587515875) +\n          m *\n            (-0.00023545346108370344 * m +\n              0.0002702845253534714 * y +\n              0.0020200308977307156 * k -\n              0.7488052167015494) +\n          y *\n            (0.00006834815998235662 * y +\n              0.00015168452363460973 * k -\n              0.09751927774728933) -\n          k * (0.00031891311758832814 * k + 0.7364883807733168);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.000013598650411385307 * c +\n              0.00012423956175490851 * m +\n              0.0004751985097583589 * y -\n              0.0000036729317476630422 * k -\n              0.05562186980264034) +\n          m *\n            (0.00016141380598724676 * m +\n              0.0009692239130725186 * y +\n              0.0007782692450036253 * k -\n              0.44015232367526463) +\n          y *\n            (5.068882914068769e-7 * y +\n              0.0017778369011375071 * k -\n              0.7591454649749609) -\n          k * (0.0003435319965105553 * k + 0.7063770186160144);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    getData({ width, height, forceRGB = false, isSourcePDF = false }) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          isSourcePDF === true,\n          'JpegImage.getData: Unexpected \"isSourcePDF\" value for PDF files.'\n        );\n      }\n      if (this.numComponents > 4) {\n        throw new JpegError(\"Unsupported color mode\");\n      }\n      // Type of data: Uint8ClampedArray(width * height * numComponents)\n      var data = this._getLinearizedBlockData(width, height, isSourcePDF);\n\n      if (this.numComponents === 1 && forceRGB) {\n        var dataLength = data.length;\n        var rgbData = new Uint8ClampedArray(dataLength * 3);\n        var offset = 0;\n        for (var i = 0; i < dataLength; i++) {\n          var grayColor = data[i];\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n        }\n        return rgbData;\n      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {\n        return this._convertYccToRgb(data);\n      } else if (this.numComponents === 4) {\n        if (this._isColorConversionNeeded) {\n          if (forceRGB) {\n            return this._convertYcckToRgb(data);\n          }\n          return this._convertYcckToCmyk(data);\n        } else if (forceRGB) {\n          return this._convertCmykToRgb(data);\n        }\n      }\n      return data;\n    },\n  };\n\n  return JpegImage;\n})();\n\nexport { JpegImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, info, warn } from \"../shared/util.js\";\nimport { log2, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\n\nclass JpxError extends BaseException {\n  constructor(msg) {\n    super(`JPX error: ${msg}`);\n  }\n}\n\nvar JpxImage = (function JpxImageClosure() {\n  // Table E.1\n  var SubbandsGainLog2 = {\n    LL: 0,\n    LH: 1,\n    HL: 1,\n    HH: 2,\n  };\n\n  // eslint-disable-next-line no-shadow\n  function JpxImage() {\n    this.failOnCorruptedImage = false;\n  }\n  JpxImage.prototype = {\n    parse: function JpxImage_parse(data) {\n      var head = readUint16(data, 0);\n      // No box header, immediate start of codestream (SOC)\n      if (head === 0xff4f) {\n        this.parseCodestream(data, 0, data.length);\n        return;\n      }\n\n      var position = 0,\n        length = data.length;\n      while (position < length) {\n        var headerSize = 8;\n        var lbox = readUint32(data, position);\n        var tbox = readUint32(data, position + 4);\n        position += headerSize;\n        if (lbox === 1) {\n          // XLBox: read UInt64 according to spec.\n          // JavaScript's int precision of 53 bit should be sufficient here.\n          lbox =\n            readUint32(data, position) * 4294967296 +\n            readUint32(data, position + 4);\n          position += 8;\n          headerSize += 8;\n        }\n        if (lbox === 0) {\n          lbox = length - position + headerSize;\n        }\n        if (lbox < headerSize) {\n          throw new JpxError(\"Invalid box field size\");\n        }\n        var dataLength = lbox - headerSize;\n        var jumpDataLength = true;\n        switch (tbox) {\n          case 0x6a703268: // 'jp2h'\n            jumpDataLength = false; // parsing child boxes\n            break;\n          case 0x636f6c72: // 'colr'\n            // Colorspaces are not used, the CS from the PDF is used.\n            var method = data[position];\n            if (method === 1) {\n              // enumerated colorspace\n              var colorspace = readUint32(data, position + 3);\n              switch (colorspace) {\n                case 16: // this indicates a sRGB colorspace\n                case 17: // this indicates a grayscale colorspace\n                case 18: // this indicates a YUV colorspace\n                  break;\n                default:\n                  warn(\"Unknown colorspace \" + colorspace);\n                  break;\n              }\n            } else if (method === 2) {\n              info(\"ICC profile not supported\");\n            }\n            break;\n          case 0x6a703263: // 'jp2c'\n            this.parseCodestream(data, position, position + dataLength);\n            break;\n          case 0x6a502020: // 'jP\\024\\024'\n            if (readUint32(data, position) !== 0x0d0a870a) {\n              warn(\"Invalid JP2 signature\");\n            }\n            break;\n          // The following header types are valid but currently not used:\n          case 0x6a501a1a: // 'jP\\032\\032'\n          case 0x66747970: // 'ftyp'\n          case 0x72726571: // 'rreq'\n          case 0x72657320: // 'res '\n          case 0x69686472: // 'ihdr'\n            break;\n          default:\n            var headerType = String.fromCharCode(\n              (tbox >> 24) & 0xff,\n              (tbox >> 16) & 0xff,\n              (tbox >> 8) & 0xff,\n              tbox & 0xff\n            );\n            warn(\"Unsupported header type \" + tbox + \" (\" + headerType + \")\");\n            break;\n        }\n        if (jumpDataLength) {\n          position += dataLength;\n        }\n      }\n    },\n    parseImageProperties: function JpxImage_parseImageProperties(stream) {\n      var newByte = stream.getByte();\n      while (newByte >= 0) {\n        var oldByte = newByte;\n        newByte = stream.getByte();\n        var code = (oldByte << 8) | newByte;\n        // Image and tile size (SIZ)\n        if (code === 0xff51) {\n          stream.skip(4);\n          var Xsiz = stream.getInt32() >>> 0; // Byte 4\n          var Ysiz = stream.getInt32() >>> 0; // Byte 8\n          var XOsiz = stream.getInt32() >>> 0; // Byte 12\n          var YOsiz = stream.getInt32() >>> 0; // Byte 16\n          stream.skip(16);\n          var Csiz = stream.getUint16(); // Byte 36\n          this.width = Xsiz - XOsiz;\n          this.height = Ysiz - YOsiz;\n          this.componentsCount = Csiz;\n          // Results are always returned as `Uint8ClampedArray`s.\n          this.bitsPerComponent = 8;\n          return;\n        }\n      }\n      throw new JpxError(\"No size marker found in JPX stream\");\n    },\n    parseCodestream: function JpxImage_parseCodestream(data, start, end) {\n      var context = {};\n      var doNotRecover = false;\n      try {\n        var position = start;\n        while (position + 1 < end) {\n          var code = readUint16(data, position);\n          position += 2;\n\n          var length = 0,\n            j,\n            sqcd,\n            spqcds,\n            spqcdSize,\n            scalarExpounded,\n            tile;\n          switch (code) {\n            case 0xff4f: // Start of codestream (SOC)\n              context.mainHeader = true;\n              break;\n            case 0xffd9: // End of codestream (EOC)\n              break;\n            case 0xff51: // Image and tile size (SIZ)\n              length = readUint16(data, position);\n              var siz = {};\n              siz.Xsiz = readUint32(data, position + 4);\n              siz.Ysiz = readUint32(data, position + 8);\n              siz.XOsiz = readUint32(data, position + 12);\n              siz.YOsiz = readUint32(data, position + 16);\n              siz.XTsiz = readUint32(data, position + 20);\n              siz.YTsiz = readUint32(data, position + 24);\n              siz.XTOsiz = readUint32(data, position + 28);\n              siz.YTOsiz = readUint32(data, position + 32);\n              var componentsCount = readUint16(data, position + 36);\n              siz.Csiz = componentsCount;\n              var components = [];\n              j = position + 38;\n              for (var i = 0; i < componentsCount; i++) {\n                var component = {\n                  precision: (data[j] & 0x7f) + 1,\n                  isSigned: !!(data[j] & 0x80),\n                  XRsiz: data[j + 1],\n                  YRsiz: data[j + 2],\n                };\n                j += 3;\n                calculateComponentDimensions(component, siz);\n                components.push(component);\n              }\n              context.SIZ = siz;\n              context.components = components;\n              calculateTileGrids(context, components);\n              context.QCC = [];\n              context.COC = [];\n              break;\n            case 0xff5c: // Quantization default (QCD)\n              length = readUint16(data, position);\n              var qcd = {};\n              j = position + 2;\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcd.noQuantization = spqcdSize === 8;\n              qcd.scalarExpounded = scalarExpounded;\n              qcd.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                var spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcd.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCD = qcd;\n              } else {\n                context.currentTile.QCD = qcd;\n                context.currentTile.QCC = [];\n              }\n              break;\n            case 0xff5d: // Quantization component (QCC)\n              length = readUint16(data, position);\n              var qcc = {};\n              j = position + 2;\n              var cqcc;\n              if (context.SIZ.Csiz < 257) {\n                cqcc = data[j++];\n              } else {\n                cqcc = readUint16(data, j);\n                j += 2;\n              }\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcc.noQuantization = spqcdSize === 8;\n              qcc.scalarExpounded = scalarExpounded;\n              qcc.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcc.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCC[cqcc] = qcc;\n              } else {\n                context.currentTile.QCC[cqcc] = qcc;\n              }\n              break;\n            case 0xff52: // Coding style default (COD)\n              length = readUint16(data, position);\n              var cod = {};\n              j = position + 2;\n              var scod = data[j++];\n              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);\n              cod.sopMarkerUsed = !!(scod & 2);\n              cod.ephMarkerUsed = !!(scod & 4);\n              cod.progressionOrder = data[j++];\n              cod.layersCount = readUint16(data, j);\n              j += 2;\n              cod.multipleComponentTransform = data[j++];\n\n              cod.decompositionLevelsCount = data[j++];\n              cod.xcb = (data[j++] & 0xf) + 2;\n              cod.ycb = (data[j++] & 0xf) + 2;\n              var blockStyle = data[j++];\n              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);\n              cod.resetContextProbabilities = !!(blockStyle & 2);\n              cod.terminationOnEachCodingPass = !!(blockStyle & 4);\n              cod.verticallyStripe = !!(blockStyle & 8);\n              cod.predictableTermination = !!(blockStyle & 16);\n              cod.segmentationSymbolUsed = !!(blockStyle & 32);\n              cod.reversibleTransformation = data[j++];\n              if (cod.entropyCoderWithCustomPrecincts) {\n                var precinctsSizes = [];\n                while (j < length + position) {\n                  var precinctsSize = data[j++];\n                  precinctsSizes.push({\n                    PPx: precinctsSize & 0xf,\n                    PPy: precinctsSize >> 4,\n                  });\n                }\n                cod.precinctsSizes = precinctsSizes;\n              }\n              var unsupported = [];\n              if (cod.selectiveArithmeticCodingBypass) {\n                unsupported.push(\"selectiveArithmeticCodingBypass\");\n              }\n              if (cod.resetContextProbabilities) {\n                unsupported.push(\"resetContextProbabilities\");\n              }\n              if (cod.terminationOnEachCodingPass) {\n                unsupported.push(\"terminationOnEachCodingPass\");\n              }\n              if (cod.verticallyStripe) {\n                unsupported.push(\"verticallyStripe\");\n              }\n              if (cod.predictableTermination) {\n                unsupported.push(\"predictableTermination\");\n              }\n              if (unsupported.length > 0) {\n                doNotRecover = true;\n                throw new Error(\n                  \"Unsupported COD options (\" + unsupported.join(\", \") + \")\"\n                );\n              }\n              if (context.mainHeader) {\n                context.COD = cod;\n              } else {\n                context.currentTile.COD = cod;\n                context.currentTile.COC = [];\n              }\n              break;\n            case 0xff90: // Start of tile-part (SOT)\n              length = readUint16(data, position);\n              tile = {};\n              tile.index = readUint16(data, position + 2);\n              tile.length = readUint32(data, position + 4);\n              tile.dataEnd = tile.length + position - 2;\n              tile.partIndex = data[position + 8];\n              tile.partsCount = data[position + 9];\n\n              context.mainHeader = false;\n              if (tile.partIndex === 0) {\n                // reset component specific settings\n                tile.COD = context.COD;\n                tile.COC = context.COC.slice(0); // clone of the global COC\n                tile.QCD = context.QCD;\n                tile.QCC = context.QCC.slice(0); // clone of the global COC\n              }\n              context.currentTile = tile;\n              break;\n            case 0xff93: // Start of data (SOD)\n              tile = context.currentTile;\n              if (tile.partIndex === 0) {\n                initializeTile(context, tile.index);\n                buildPackets(context);\n              }\n\n              // moving to the end of the data\n              length = tile.dataEnd - position;\n              parseTilePackets(context, data, position, length);\n              break;\n            case 0xff55: // Tile-part lengths, main header (TLM)\n            case 0xff57: // Packet length, main header (PLM)\n            case 0xff58: // Packet length, tile-part header (PLT)\n            case 0xff64: // Comment (COM)\n              length = readUint16(data, position);\n              // skipping content\n              break;\n            case 0xff53: // Coding style component (COC)\n              throw new Error(\n                \"Codestream code 0xFF53 (COC) is not implemented\"\n              );\n            default:\n              throw new Error(\"Unknown codestream code: \" + code.toString(16));\n          }\n          position += length;\n        }\n      } catch (e) {\n        if (doNotRecover || this.failOnCorruptedImage) {\n          throw new JpxError(e.message);\n        } else {\n          warn(\"JPX: Trying to recover from: \" + e.message);\n        }\n      }\n      this.tiles = transformComponents(context);\n      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;\n      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;\n      this.componentsCount = context.SIZ.Csiz;\n    },\n  };\n  function calculateComponentDimensions(component, siz) {\n    // Section B.2 Component mapping\n    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);\n    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);\n    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);\n    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);\n    component.width = component.x1 - component.x0;\n    component.height = component.y1 - component.y0;\n  }\n  function calculateTileGrids(context, components) {\n    var siz = context.SIZ;\n    // Section B.3 Division into tile and tile-components\n    var tile,\n      tiles = [];\n    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);\n    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);\n    for (var q = 0; q < numYtiles; q++) {\n      for (var p = 0; p < numXtiles; p++) {\n        tile = {};\n        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);\n        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);\n        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);\n        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);\n        tile.width = tile.tx1 - tile.tx0;\n        tile.height = tile.ty1 - tile.ty0;\n        tile.components = [];\n        tiles.push(tile);\n      }\n    }\n    context.tiles = tiles;\n\n    var componentsCount = siz.Csiz;\n    for (var i = 0, ii = componentsCount; i < ii; i++) {\n      var component = components[i];\n      for (var j = 0, jj = tiles.length; j < jj; j++) {\n        var tileComponent = {};\n        tile = tiles[j];\n        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);\n        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);\n        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);\n        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);\n        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;\n        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;\n        tile.components[i] = tileComponent;\n      }\n    }\n  }\n  function getBlocksDimensions(context, component, r) {\n    var codOrCoc = component.codingStyleParameters;\n    var result = {};\n    if (!codOrCoc.entropyCoderWithCustomPrecincts) {\n      result.PPx = 15;\n      result.PPy = 15;\n    } else {\n      result.PPx = codOrCoc.precinctsSizes[r].PPx;\n      result.PPy = codOrCoc.precinctsSizes[r].PPy;\n    }\n    // calculate codeblock size as described in section B.7\n    result.xcb_ =\n      r > 0\n        ? Math.min(codOrCoc.xcb, result.PPx - 1)\n        : Math.min(codOrCoc.xcb, result.PPx);\n    result.ycb_ =\n      r > 0\n        ? Math.min(codOrCoc.ycb, result.PPy - 1)\n        : Math.min(codOrCoc.ycb, result.PPy);\n    return result;\n  }\n  function buildPrecincts(context, resolution, dimensions) {\n    // Section B.6 Division resolution to precincts\n    var precinctWidth = 1 << dimensions.PPx;\n    var precinctHeight = 1 << dimensions.PPy;\n    // Jasper introduces codeblock groups for mapping each subband codeblocks\n    // to precincts. Precinct partition divides a resolution according to width\n    // and height parameters. The subband that belongs to the resolution level\n    // has a different size than the level, unless it is the zero resolution.\n\n    // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding:\n    // The precinct partitioning for a particular subband is derived from a\n    // partitioning of its parent LL band (i.e., the LL band at the next higher\n    // resolution level)... The LL band associated with each resolution level is\n    // divided into precincts... Each of the resulting precinct regions is then\n    // mapped into its child subbands (if any) at the next lower resolution\n    // level. This is accomplished by using the coordinate transformation\n    // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the\n    // coordinates of a point in the LL band and child subband, respectively.\n    var isZeroRes = resolution.resLevel === 0;\n    var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1));\n    var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1));\n    var numprecinctswide =\n      resolution.trx1 > resolution.trx0\n        ? Math.ceil(resolution.trx1 / precinctWidth) -\n          Math.floor(resolution.trx0 / precinctWidth)\n        : 0;\n    var numprecinctshigh =\n      resolution.try1 > resolution.try0\n        ? Math.ceil(resolution.try1 / precinctHeight) -\n          Math.floor(resolution.try0 / precinctHeight)\n        : 0;\n    var numprecincts = numprecinctswide * numprecinctshigh;\n\n    resolution.precinctParameters = {\n      precinctWidth,\n      precinctHeight,\n      numprecinctswide,\n      numprecinctshigh,\n      numprecincts,\n      precinctWidthInSubband,\n      precinctHeightInSubband,\n    };\n  }\n  function buildCodeblocks(context, subband, dimensions) {\n    // Section B.7 Division sub-band into code-blocks\n    var xcb_ = dimensions.xcb_;\n    var ycb_ = dimensions.ycb_;\n    var codeblockWidth = 1 << xcb_;\n    var codeblockHeight = 1 << ycb_;\n    var cbx0 = subband.tbx0 >> xcb_;\n    var cby0 = subband.tby0 >> ycb_;\n    var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_;\n    var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_;\n    var precinctParameters = subband.resolution.precinctParameters;\n    var codeblocks = [];\n    var precincts = [];\n    var i, j, codeblock, precinctNumber;\n    for (j = cby0; j < cby1; j++) {\n      for (i = cbx0; i < cbx1; i++) {\n        codeblock = {\n          cbx: i,\n          cby: j,\n          tbx0: codeblockWidth * i,\n          tby0: codeblockHeight * j,\n          tbx1: codeblockWidth * (i + 1),\n          tby1: codeblockHeight * (j + 1),\n        };\n\n        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);\n        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);\n        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);\n        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);\n\n        // Calculate precinct number for this codeblock, codeblock position\n        // should be relative to its subband, use actual dimension and position\n        // See comment about codeblock group width and height\n        var pi = Math.floor(\n          (codeblock.tbx0_ - subband.tbx0) /\n            precinctParameters.precinctWidthInSubband\n        );\n        var pj = Math.floor(\n          (codeblock.tby0_ - subband.tby0) /\n            precinctParameters.precinctHeightInSubband\n        );\n        precinctNumber = pi + pj * precinctParameters.numprecinctswide;\n\n        codeblock.precinctNumber = precinctNumber;\n        codeblock.subbandType = subband.type;\n        codeblock.Lblock = 3;\n\n        if (\n          codeblock.tbx1_ <= codeblock.tbx0_ ||\n          codeblock.tby1_ <= codeblock.tby0_\n        ) {\n          continue;\n        }\n        codeblocks.push(codeblock);\n        // building precinct for the sub-band\n        var precinct = precincts[precinctNumber];\n        if (precinct !== undefined) {\n          if (i < precinct.cbxMin) {\n            precinct.cbxMin = i;\n          } else if (i > precinct.cbxMax) {\n            precinct.cbxMax = i;\n          }\n          if (j < precinct.cbyMin) {\n            precinct.cbxMin = j;\n          } else if (j > precinct.cbyMax) {\n            precinct.cbyMax = j;\n          }\n        } else {\n          precincts[precinctNumber] = precinct = {\n            cbxMin: i,\n            cbyMin: j,\n            cbxMax: i,\n            cbyMax: j,\n          };\n        }\n        codeblock.precinct = precinct;\n      }\n    }\n    subband.codeblockParameters = {\n      codeblockWidth: xcb_,\n      codeblockHeight: ycb_,\n      numcodeblockwide: cbx1 - cbx0 + 1,\n      numcodeblockhigh: cby1 - cby0 + 1,\n    };\n    subband.codeblocks = codeblocks;\n    subband.precincts = precincts;\n  }\n  function createPacket(resolution, precinctNumber, layerNumber) {\n    var precinctCodeblocks = [];\n    // Section B.10.8 Order of info in packet\n    var subbands = resolution.subbands;\n    // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence\n    for (var i = 0, ii = subbands.length; i < ii; i++) {\n      var subband = subbands[i];\n      var codeblocks = subband.codeblocks;\n      for (var j = 0, jj = codeblocks.length; j < jj; j++) {\n        var codeblock = codeblocks[j];\n        if (codeblock.precinctNumber !== precinctNumber) {\n          continue;\n        }\n        precinctCodeblocks.push(codeblock);\n      }\n    }\n    return {\n      layerNumber,\n      codeblocks: precinctCodeblocks,\n    };\n  }\n  function LayerResolutionComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var l = 0,\n      r = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.1 Layer-resolution-component-position\n      for (; l < layersCount; l++) {\n        for (; r <= maxDecompositionLevelsCount; r++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        r = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionLayerComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var r = 0,\n      l = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.2 Resolution-layer-component-position\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; l < layersCount; l++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        l = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionPositionComponentLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var l, r, c, p;\n    var maxDecompositionLevelsCount = 0;\n    for (c = 0; c < componentsCount; c++) {\n      const component = tile.components[c];\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        component.codingStyleParameters.decompositionLevelsCount\n      );\n    }\n    var maxNumPrecinctsInLevel = new Int32Array(\n      maxDecompositionLevelsCount + 1\n    );\n    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {\n      var maxNumPrecincts = 0;\n      for (c = 0; c < componentsCount; ++c) {\n        var resolutions = tile.components[c].resolutions;\n        if (r < resolutions.length) {\n          maxNumPrecincts = Math.max(\n            maxNumPrecincts,\n            resolutions[r].precinctParameters.numprecincts\n          );\n        }\n      }\n      maxNumPrecinctsInLevel[r] = maxNumPrecincts;\n    }\n    l = 0;\n    r = 0;\n    c = 0;\n    p = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.3 Resolution-position-component-layer\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; p < maxNumPrecinctsInLevel[r]; p++) {\n          for (; c < componentsCount; c++) {\n            const component = tile.components[c];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            if (p >= numprecincts) {\n              continue;\n            }\n            for (; l < layersCount; ) {\n              var packet = createPacket(resolution, p, l);\n              l++;\n              return packet;\n            }\n            l = 0;\n          }\n          c = 0;\n        }\n        p = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function PositionComponentResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var precinctsIterationSizes = precinctsSizes;\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.4 Position-component-resolution-layer\n      for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n        for (; px < precinctsIterationSizes.maxNumWide; px++) {\n          for (; c < componentsCount; c++) {\n            var component = tile.components[c];\n            var decompositionLevelsCount =\n              component.codingStyleParameters.decompositionLevelsCount;\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale =\n                precinctsSizes.components[c].resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          c = 0;\n        }\n        px = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ComponentPositionResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.5 Component-position-resolution-layer\n      for (; c < componentsCount; ++c) {\n        var component = tile.components[c];\n        var precinctsIterationSizes = precinctsSizes.components[c];\n        var decompositionLevelsCount =\n          component.codingStyleParameters.decompositionLevelsCount;\n        for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n          for (; px < precinctsIterationSizes.maxNumWide; px++) {\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale = precinctsIterationSizes.resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          px = 0;\n        }\n        py = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function getPrecinctIndexIfExist(\n    pxIndex,\n    pyIndex,\n    sizeInImageScale,\n    precinctIterationSizes,\n    resolution\n  ) {\n    var posX = pxIndex * precinctIterationSizes.minWidth;\n    var posY = pyIndex * precinctIterationSizes.minHeight;\n    if (\n      posX % sizeInImageScale.width !== 0 ||\n      posY % sizeInImageScale.height !== 0\n    ) {\n      return null;\n    }\n    var startPrecinctRowIndex =\n      (posY / sizeInImageScale.width) *\n      resolution.precinctParameters.numprecinctswide;\n    return posX / sizeInImageScale.height + startPrecinctRowIndex;\n  }\n  function getPrecinctSizesInImageScale(tile) {\n    var componentsCount = tile.components.length;\n    var minWidth = Number.MAX_VALUE;\n    var minHeight = Number.MAX_VALUE;\n    var maxNumWide = 0;\n    var maxNumHigh = 0;\n    var sizePerComponent = new Array(componentsCount);\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      var sizePerResolution = new Array(decompositionLevelsCount + 1);\n      var minWidthCurrentComponent = Number.MAX_VALUE;\n      var minHeightCurrentComponent = Number.MAX_VALUE;\n      var maxNumWideCurrentComponent = 0;\n      var maxNumHighCurrentComponent = 0;\n      var scale = 1;\n      for (var r = decompositionLevelsCount; r >= 0; --r) {\n        var resolution = component.resolutions[r];\n        var widthCurrentResolution =\n          scale * resolution.precinctParameters.precinctWidth;\n        var heightCurrentResolution =\n          scale * resolution.precinctParameters.precinctHeight;\n        minWidthCurrentComponent = Math.min(\n          minWidthCurrentComponent,\n          widthCurrentResolution\n        );\n        minHeightCurrentComponent = Math.min(\n          minHeightCurrentComponent,\n          heightCurrentResolution\n        );\n        maxNumWideCurrentComponent = Math.max(\n          maxNumWideCurrentComponent,\n          resolution.precinctParameters.numprecinctswide\n        );\n        maxNumHighCurrentComponent = Math.max(\n          maxNumHighCurrentComponent,\n          resolution.precinctParameters.numprecinctshigh\n        );\n        sizePerResolution[r] = {\n          width: widthCurrentResolution,\n          height: heightCurrentResolution,\n        };\n        scale <<= 1;\n      }\n      minWidth = Math.min(minWidth, minWidthCurrentComponent);\n      minHeight = Math.min(minHeight, minHeightCurrentComponent);\n      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);\n      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);\n      sizePerComponent[c] = {\n        resolutions: sizePerResolution,\n        minWidth: minWidthCurrentComponent,\n        minHeight: minHeightCurrentComponent,\n        maxNumWide: maxNumWideCurrentComponent,\n        maxNumHigh: maxNumHighCurrentComponent,\n      };\n    }\n    return {\n      components: sizePerComponent,\n      minWidth,\n      minHeight,\n      maxNumWide,\n      maxNumHigh,\n    };\n  }\n  function buildPackets(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var componentsCount = siz.Csiz;\n    // Creating resolutions and sub-bands for each component\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      // Section B.5 Resolution levels and sub-bands\n      var resolutions = [];\n      var subbands = [];\n      for (var r = 0; r <= decompositionLevelsCount; r++) {\n        var blocksDimensions = getBlocksDimensions(context, component, r);\n        var resolution = {};\n        var scale = 1 << (decompositionLevelsCount - r);\n        resolution.trx0 = Math.ceil(component.tcx0 / scale);\n        resolution.try0 = Math.ceil(component.tcy0 / scale);\n        resolution.trx1 = Math.ceil(component.tcx1 / scale);\n        resolution.try1 = Math.ceil(component.tcy1 / scale);\n        resolution.resLevel = r;\n        buildPrecincts(context, resolution, blocksDimensions);\n        resolutions.push(resolution);\n\n        var subband;\n        if (r === 0) {\n          // one sub-band (LL) with last decomposition\n          subband = {};\n          subband.type = \"LL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / scale);\n          subband.tby0 = Math.ceil(component.tcy0 / scale);\n          subband.tbx1 = Math.ceil(component.tcx1 / scale);\n          subband.tby1 = Math.ceil(component.tcy1 / scale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolution.subbands = [subband];\n        } else {\n          var bscale = 1 << (decompositionLevelsCount - r + 1);\n          var resolutionSubbands = [];\n          // three sub-bands (HL, LH and HH) with rest of decompositions\n          subband = {};\n          subband.type = \"HL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"LH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"HH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          resolution.subbands = resolutionSubbands;\n        }\n      }\n      component.resolutions = resolutions;\n      component.subbands = subbands;\n    }\n    // Generate the packets sequence\n    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;\n    switch (progressionOrder) {\n      case 0:\n        tile.packetsIterator = new LayerResolutionComponentPositionIterator(\n          context\n        );\n        break;\n      case 1:\n        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(\n          context\n        );\n        break;\n      case 2:\n        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(\n          context\n        );\n        break;\n      case 3:\n        tile.packetsIterator = new PositionComponentResolutionLayerIterator(\n          context\n        );\n        break;\n      case 4:\n        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(\n          context\n        );\n        break;\n      default:\n        throw new JpxError(`Unsupported progression order ${progressionOrder}`);\n    }\n  }\n  function parseTilePackets(context, data, offset, dataLength) {\n    var position = 0;\n    var buffer,\n      bufferSize = 0,\n      skipNextBit = false;\n    function readBits(count) {\n      while (bufferSize < count) {\n        var b = data[offset + position];\n        position++;\n        if (skipNextBit) {\n          buffer = (buffer << 7) | b;\n          bufferSize += 7;\n          skipNextBit = false;\n        } else {\n          buffer = (buffer << 8) | b;\n          bufferSize += 8;\n        }\n        if (b === 0xff) {\n          skipNextBit = true;\n        }\n      }\n      bufferSize -= count;\n      return (buffer >>> bufferSize) & ((1 << count) - 1);\n    }\n    function skipMarkerIfEqual(value) {\n      if (\n        data[offset + position - 1] === 0xff &&\n        data[offset + position] === value\n      ) {\n        skipBytes(1);\n        return true;\n      } else if (\n        data[offset + position] === 0xff &&\n        data[offset + position + 1] === value\n      ) {\n        skipBytes(2);\n        return true;\n      }\n      return false;\n    }\n    function skipBytes(count) {\n      position += count;\n    }\n    function alignToByte() {\n      bufferSize = 0;\n      if (skipNextBit) {\n        position++;\n        skipNextBit = false;\n      }\n    }\n    function readCodingpasses() {\n      if (readBits(1) === 0) {\n        return 1;\n      }\n      if (readBits(1) === 0) {\n        return 2;\n      }\n      var value = readBits(2);\n      if (value < 3) {\n        return value + 3;\n      }\n      value = readBits(5);\n      if (value < 31) {\n        return value + 6;\n      }\n      value = readBits(7);\n      return value + 37;\n    }\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var sopMarkerUsed = context.COD.sopMarkerUsed;\n    var ephMarkerUsed = context.COD.ephMarkerUsed;\n    var packetsIterator = tile.packetsIterator;\n    while (position < dataLength) {\n      alignToByte();\n      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {\n        // Skip also marker segment length and packet sequence ID\n        skipBytes(4);\n      }\n      var packet = packetsIterator.nextPacket();\n      if (!readBits(1)) {\n        continue;\n      }\n      var layerNumber = packet.layerNumber;\n      var queue = [],\n        codeblock;\n      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {\n        codeblock = packet.codeblocks[i];\n        var precinct = codeblock.precinct;\n        var codeblockColumn = codeblock.cbx - precinct.cbxMin;\n        var codeblockRow = codeblock.cby - precinct.cbyMin;\n        var codeblockIncluded = false;\n        var firstTimeInclusion = false;\n        var valueReady;\n        if (codeblock.included !== undefined) {\n          codeblockIncluded = !!readBits(1);\n        } else {\n          // reading inclusion tree\n          precinct = codeblock.precinct;\n          var inclusionTree, zeroBitPlanesTree;\n          if (precinct.inclusionTree !== undefined) {\n            inclusionTree = precinct.inclusionTree;\n          } else {\n            // building inclusion and zero bit-planes trees\n            var width = precinct.cbxMax - precinct.cbxMin + 1;\n            var height = precinct.cbyMax - precinct.cbyMin + 1;\n            inclusionTree = new InclusionTree(width, height, layerNumber);\n            zeroBitPlanesTree = new TagTree(width, height);\n            precinct.inclusionTree = inclusionTree;\n            precinct.zeroBitPlanesTree = zeroBitPlanesTree;\n          }\n\n          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {\n            while (true) {\n              if (readBits(1)) {\n                valueReady = !inclusionTree.nextLevel();\n                if (valueReady) {\n                  codeblock.included = true;\n                  codeblockIncluded = firstTimeInclusion = true;\n                  break;\n                }\n              } else {\n                inclusionTree.incrementValue(layerNumber);\n                break;\n              }\n            }\n          }\n        }\n        if (!codeblockIncluded) {\n          continue;\n        }\n        if (firstTimeInclusion) {\n          zeroBitPlanesTree = precinct.zeroBitPlanesTree;\n          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);\n          while (true) {\n            if (readBits(1)) {\n              valueReady = !zeroBitPlanesTree.nextLevel();\n              if (valueReady) {\n                break;\n              }\n            } else {\n              zeroBitPlanesTree.incrementValue();\n            }\n          }\n          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;\n        }\n        var codingpasses = readCodingpasses();\n        while (readBits(1)) {\n          codeblock.Lblock++;\n        }\n        var codingpassesLog2 = log2(codingpasses);\n        // rounding down log2\n        var bits =\n          (codingpasses < 1 << codingpassesLog2\n            ? codingpassesLog2 - 1\n            : codingpassesLog2) + codeblock.Lblock;\n        var codedDataLength = readBits(bits);\n        queue.push({\n          codeblock,\n          codingpasses,\n          dataLength: codedDataLength,\n        });\n      }\n      alignToByte();\n      if (ephMarkerUsed) {\n        skipMarkerIfEqual(0x92);\n      }\n      while (queue.length > 0) {\n        var packetItem = queue.shift();\n        codeblock = packetItem.codeblock;\n        if (codeblock.data === undefined) {\n          codeblock.data = [];\n        }\n        codeblock.data.push({\n          data,\n          start: offset + position,\n          end: offset + position + packetItem.dataLength,\n          codingpasses: packetItem.codingpasses,\n        });\n        position += packetItem.dataLength;\n      }\n    }\n    return position;\n  }\n  function copyCoefficients(\n    coefficients,\n    levelWidth,\n    levelHeight,\n    subband,\n    delta,\n    mb,\n    reversible,\n    segmentationSymbolUsed\n  ) {\n    var x0 = subband.tbx0;\n    var y0 = subband.tby0;\n    var width = subband.tbx1 - subband.tbx0;\n    var codeblocks = subband.codeblocks;\n    var right = subband.type.charAt(0) === \"H\" ? 1 : 0;\n    var bottom = subband.type.charAt(1) === \"H\" ? levelWidth : 0;\n\n    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {\n      var codeblock = codeblocks[i];\n      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;\n      var blockHeight = codeblock.tby1_ - codeblock.tby0_;\n      if (blockWidth === 0 || blockHeight === 0) {\n        continue;\n      }\n      if (codeblock.data === undefined) {\n        continue;\n      }\n\n      var bitModel, currentCodingpassType;\n      bitModel = new BitModel(\n        blockWidth,\n        blockHeight,\n        codeblock.subbandType,\n        codeblock.zeroBitPlanes,\n        mb\n      );\n      currentCodingpassType = 2; // first bit plane starts from cleanup\n\n      // collect data\n      var data = codeblock.data,\n        totalLength = 0,\n        codingpasses = 0;\n      var j, jj, dataItem;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        totalLength += dataItem.end - dataItem.start;\n        codingpasses += dataItem.codingpasses;\n      }\n      var encodedData = new Uint8Array(totalLength);\n      var position = 0;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);\n        encodedData.set(chunk, position);\n        position += chunk.length;\n      }\n      // decoding the item\n      var decoder = new ArithmeticDecoder(encodedData, 0, totalLength);\n      bitModel.setDecoder(decoder);\n\n      for (j = 0; j < codingpasses; j++) {\n        switch (currentCodingpassType) {\n          case 0:\n            bitModel.runSignificancePropagationPass();\n            break;\n          case 1:\n            bitModel.runMagnitudeRefinementPass();\n            break;\n          case 2:\n            bitModel.runCleanupPass();\n            if (segmentationSymbolUsed) {\n              bitModel.checkSegmentationSymbol();\n            }\n            break;\n        }\n        currentCodingpassType = (currentCodingpassType + 1) % 3;\n      }\n\n      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;\n      var sign = bitModel.coefficentsSign;\n      var magnitude = bitModel.coefficentsMagnitude;\n      var bitsDecoded = bitModel.bitsDecoded;\n      var magnitudeCorrection = reversible ? 0 : 0.5;\n      var k, n, nb;\n      position = 0;\n      // Do the interleaving of Section F.3.3 here, so we do not need\n      // to copy later. LL level is not interleaved, just copied.\n      var interleave = subband.type !== \"LL\";\n      for (j = 0; j < blockHeight; j++) {\n        var row = (offset / width) | 0; // row in the non-interleaved subband\n        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;\n        for (k = 0; k < blockWidth; k++) {\n          n = magnitude[position];\n          if (n !== 0) {\n            n = (n + magnitudeCorrection) * delta;\n            if (sign[position] !== 0) {\n              n = -n;\n            }\n            nb = bitsDecoded[position];\n            var pos = interleave ? levelOffset + (offset << 1) : offset;\n            if (reversible && nb >= mb) {\n              coefficients[pos] = n;\n            } else {\n              coefficients[pos] = n * (1 << (mb - nb));\n            }\n          }\n          offset++;\n          position++;\n        }\n        offset += width - blockWidth;\n      }\n    }\n  }\n  function transformTile(context, tile, c) {\n    var component = tile.components[c];\n    var codingStyleParameters = component.codingStyleParameters;\n    var quantizationParameters = component.quantizationParameters;\n    var decompositionLevelsCount =\n      codingStyleParameters.decompositionLevelsCount;\n    var spqcds = quantizationParameters.SPqcds;\n    var scalarExpounded = quantizationParameters.scalarExpounded;\n    var guardBits = quantizationParameters.guardBits;\n    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;\n    var precision = context.components[c].precision;\n\n    var reversible = codingStyleParameters.reversibleTransformation;\n    var transform = reversible\n      ? new ReversibleTransform()\n      : new IrreversibleTransform();\n\n    var subbandCoefficients = [];\n    var b = 0;\n    for (var i = 0; i <= decompositionLevelsCount; i++) {\n      var resolution = component.resolutions[i];\n\n      var width = resolution.trx1 - resolution.trx0;\n      var height = resolution.try1 - resolution.try0;\n      // Allocate space for the whole sublevel.\n      var coefficients = new Float32Array(width * height);\n\n      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {\n        var mu, epsilon;\n        if (!scalarExpounded) {\n          // formula E-5\n          mu = spqcds[0].mu;\n          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);\n        } else {\n          mu = spqcds[b].mu;\n          epsilon = spqcds[b].epsilon;\n          b++;\n        }\n\n        var subband = resolution.subbands[j];\n        var gainLog2 = SubbandsGainLog2[subband.type];\n\n        // calculate quantization coefficient (Section E.1.1.1)\n        var delta = reversible\n          ? 1\n          : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);\n        var mb = guardBits + epsilon - 1;\n\n        // In the first resolution level, copyCoefficients will fill the\n        // whole array with coefficients. In the succeeding passes,\n        // copyCoefficients will consecutively fill in the values that belong\n        // to the interleaved positions of the HL, LH, and HH coefficients.\n        // The LL coefficients will then be interleaved in Transform.iterate().\n        copyCoefficients(\n          coefficients,\n          width,\n          height,\n          subband,\n          delta,\n          mb,\n          reversible,\n          segmentationSymbolUsed\n        );\n      }\n      subbandCoefficients.push({\n        width,\n        height,\n        items: coefficients,\n      });\n    }\n\n    var result = transform.calculate(\n      subbandCoefficients,\n      component.tcx0,\n      component.tcy0\n    );\n    return {\n      left: component.tcx0,\n      top: component.tcy0,\n      width: result.width,\n      height: result.height,\n      items: result.items,\n    };\n  }\n  function transformComponents(context) {\n    var siz = context.SIZ;\n    var components = context.components;\n    var componentsCount = siz.Csiz;\n    var resultImages = [];\n    for (var i = 0, ii = context.tiles.length; i < ii; i++) {\n      var tile = context.tiles[i];\n      var transformedTiles = [];\n      var c;\n      for (c = 0; c < componentsCount; c++) {\n        transformedTiles[c] = transformTile(context, tile, c);\n      }\n      var tile0 = transformedTiles[0];\n      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);\n      var result = {\n        left: tile0.left,\n        top: tile0.top,\n        width: tile0.width,\n        height: tile0.height,\n        items: out,\n      };\n\n      // Section G.2.2 Inverse multi component transform\n      var shift, offset;\n      var pos = 0,\n        j,\n        jj,\n        y0,\n        y1,\n        y2;\n      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {\n        var fourComponents = componentsCount === 4;\n        var y0items = transformedTiles[0].items;\n        var y1items = transformedTiles[1].items;\n        var y2items = transformedTiles[2].items;\n        var y3items = fourComponents ? transformedTiles[3].items : null;\n\n        // HACK: The multiple component transform formulas below assume that\n        // all components have the same precision. With this in mind, we\n        // compute shift and offset only once.\n        shift = components[0].precision - 8;\n        offset = (128 << shift) + 0.5;\n\n        var component0 = tile.components[0];\n        var alpha01 = componentsCount - 3;\n        jj = y0items.length;\n        if (!component0.codingStyleParameters.reversibleTransformation) {\n          // inverse irreversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            out[pos++] = (y0 + 1.402 * y2) >> shift;\n            out[pos++] = (y0 - 0.34413 * y1 - 0.71414 * y2) >> shift;\n            out[pos++] = (y0 + 1.772 * y1) >> shift;\n          }\n        } else {\n          // inverse reversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            const g = y0 - ((y2 + y1) >> 2);\n\n            out[pos++] = (g + y2) >> shift;\n            out[pos++] = g >> shift;\n            out[pos++] = (g + y1) >> shift;\n          }\n        }\n        if (fourComponents) {\n          for (j = 0, pos = 3; j < jj; j++, pos += 4) {\n            out[pos] = (y3items[j] + offset) >> shift;\n          }\n        }\n      } else {\n        // no multi-component transform\n        for (c = 0; c < componentsCount; c++) {\n          var items = transformedTiles[c].items;\n          shift = components[c].precision - 8;\n          offset = (128 << shift) + 0.5;\n          for (pos = c, j = 0, jj = items.length; j < jj; j++) {\n            out[pos] = (items[j] + offset) >> shift;\n            pos += componentsCount;\n          }\n        }\n      }\n      resultImages.push(result);\n    }\n    return resultImages;\n  }\n  function initializeTile(context, tileIndex) {\n    var siz = context.SIZ;\n    var componentsCount = siz.Csiz;\n    var tile = context.tiles[tileIndex];\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var qcdOrQcc =\n        context.currentTile.QCC[c] !== undefined\n          ? context.currentTile.QCC[c]\n          : context.currentTile.QCD;\n      component.quantizationParameters = qcdOrQcc;\n      var codOrCoc =\n        context.currentTile.COC[c] !== undefined\n          ? context.currentTile.COC[c]\n          : context.currentTile.COD;\n      component.codingStyleParameters = codOrCoc;\n    }\n    tile.codingStyleDefaultParameters = context.currentTile.COD;\n  }\n\n  // Section B.10.2 Tag trees\n  var TagTree = (function TagTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function TagTree(width, height) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var level = {\n          width,\n          height,\n          items: [],\n        };\n        this.levels.push(level);\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    TagTree.prototype = {\n      reset: function TagTree_reset(i, j) {\n        var currentLevel = 0,\n          value = 0,\n          level;\n        while (currentLevel < this.levels.length) {\n          level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          if (level.items[index] !== undefined) {\n            value = level.items[index];\n            break;\n          }\n          level.index = index;\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        currentLevel--;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        this.currentLevel = currentLevel;\n        delete this.value;\n      },\n      incrementValue: function TagTree_incrementValue() {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index]++;\n      },\n      nextLevel: function TagTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        currentLevel--;\n        if (currentLevel < 0) {\n          this.value = value;\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return TagTree;\n  })();\n\n  var InclusionTree = (function InclusionTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function InclusionTree(width, height, defaultValue) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var items = new Uint8Array(width * height);\n        for (var j = 0, jj = items.length; j < jj; j++) {\n          items[j] = defaultValue;\n        }\n\n        var level = {\n          width,\n          height,\n          items,\n        };\n        this.levels.push(level);\n\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    InclusionTree.prototype = {\n      reset: function InclusionTree_reset(i, j, stopValue) {\n        var currentLevel = 0;\n        while (currentLevel < this.levels.length) {\n          var level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          level.index = index;\n          var value = level.items[index];\n\n          if (value === 0xff) {\n            break;\n          }\n\n          if (value > stopValue) {\n            this.currentLevel = currentLevel;\n            // already know about this one, propagating the value to top levels\n            this.propagateValues();\n            return false;\n          }\n\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        this.currentLevel = currentLevel - 1;\n        return true;\n      },\n      incrementValue: function InclusionTree_incrementValue(stopValue) {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index] = stopValue + 1;\n        this.propagateValues();\n      },\n      propagateValues: function InclusionTree_propagateValues() {\n        var levelIndex = this.currentLevel;\n        var level = this.levels[levelIndex];\n        var currentValue = level.items[level.index];\n        while (--levelIndex >= 0) {\n          level = this.levels[levelIndex];\n          level.items[level.index] = currentValue;\n        }\n      },\n      nextLevel: function InclusionTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        level.items[level.index] = 0xff;\n        currentLevel--;\n        if (currentLevel < 0) {\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return InclusionTree;\n  })();\n\n  // Section D. Coefficient bit modeling\n  var BitModel = (function BitModelClosure() {\n    var UNIFORM_CONTEXT = 17;\n    var RUNLENGTH_CONTEXT = 18;\n    // Table D-1\n    // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4),\n    // vv - sum of Vi (0..2), and hh - sum of Hi (0..2)\n    // prettier-ignore\n    var LLAndLHContextsLabel = new Uint8Array([\n      0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4,\n      7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6,\n      8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8\n    ]);\n    // prettier-ignore\n    var HLContextLabel = new Uint8Array([\n      0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8,\n      8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3,\n      4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8\n    ]);\n    // prettier-ignore\n    var HHContextLabel = new Uint8Array([\n      0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5,\n      5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8,\n      8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8\n    ]);\n\n    // eslint-disable-next-line no-shadow\n    function BitModel(width, height, subband, zeroBitPlanes, mb) {\n      this.width = width;\n      this.height = height;\n\n      let contextLabelTable;\n      if (subband === \"HH\") {\n        contextLabelTable = HHContextLabel;\n      } else if (subband === \"HL\") {\n        contextLabelTable = HLContextLabel;\n      } else {\n        contextLabelTable = LLAndLHContextsLabel;\n      }\n      this.contextLabelTable = contextLabelTable;\n\n      var coefficientCount = width * height;\n\n      // coefficients outside the encoding region treated as insignificant\n      // add border state cells for significanceState\n      this.neighborsSignificance = new Uint8Array(coefficientCount);\n      this.coefficentsSign = new Uint8Array(coefficientCount);\n      let coefficentsMagnitude;\n      if (mb > 14) {\n        coefficentsMagnitude = new Uint32Array(coefficientCount);\n      } else if (mb > 6) {\n        coefficentsMagnitude = new Uint16Array(coefficientCount);\n      } else {\n        coefficentsMagnitude = new Uint8Array(coefficientCount);\n      }\n      this.coefficentsMagnitude = coefficentsMagnitude;\n      this.processingFlags = new Uint8Array(coefficientCount);\n\n      var bitsDecoded = new Uint8Array(coefficientCount);\n      if (zeroBitPlanes !== 0) {\n        for (var i = 0; i < coefficientCount; i++) {\n          bitsDecoded[i] = zeroBitPlanes;\n        }\n      }\n      this.bitsDecoded = bitsDecoded;\n\n      this.reset();\n    }\n\n    BitModel.prototype = {\n      setDecoder: function BitModel_setDecoder(decoder) {\n        this.decoder = decoder;\n      },\n      reset: function BitModel_reset() {\n        // We have 17 contexts that are accessed via context labels,\n        // plus the uniform and runlength context.\n        this.contexts = new Int8Array(19);\n\n        // Contexts are packed into 1 byte:\n        // highest 7 bits carry the index, lowest bit carries mps\n        this.contexts[0] = (4 << 1) | 0;\n        this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0;\n        this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0;\n      },\n      setNeighborsSignificance: function BitModel_setNeighborsSignificance(\n        row,\n        column,\n        index\n      ) {\n        var neighborsSignificance = this.neighborsSignificance;\n        var width = this.width,\n          height = this.height;\n        var left = column > 0;\n        var right = column + 1 < width;\n        var i;\n\n        if (row > 0) {\n          i = index - width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (row + 1 < height) {\n          i = index + width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (left) {\n          neighborsSignificance[index - 1] += 0x01;\n        }\n        if (right) {\n          neighborsSignificance[index + 1] += 0x01;\n        }\n        neighborsSignificance[index] |= 0x80;\n      },\n      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var neighborsSignificance = this.neighborsSignificance;\n        var processingFlags = this.processingFlags;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processedInverseMask = ~1;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n\n        for (var i0 = 0; i0 < height; i0 += 4) {\n          for (var j = 0; j < width; j++) {\n            var index = i0 * width + j;\n            for (var i1 = 0; i1 < 4; i1++, index += width) {\n              var i = i0 + i1;\n              if (i >= height) {\n                break;\n              }\n              // clear processed flag first\n              processingFlags[index] &= processedInverseMask;\n\n              if (\n                coefficentsMagnitude[index] ||\n                !neighborsSignificance[index]\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision) {\n                var sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contribution, sign0, sign1, significance1;\n        var contextLabel, decoded;\n\n        // calculate horizontal contribution\n        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;\n        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {\n          sign1 = coefficentsSign[index + 1];\n          if (significance1) {\n            sign0 = coefficentsSign[index - 1];\n            contribution = 1 - sign1 - sign0;\n          } else {\n            contribution = 1 - sign1 - sign1;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - 1];\n          contribution = 1 - sign0 - sign0;\n        } else {\n          contribution = 0;\n        }\n        var horizontalContribution = 3 * contribution;\n\n        // calculate vertical contribution and combine with the horizontal\n        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;\n        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {\n          sign1 = coefficentsSign[index + width];\n          if (significance1) {\n            sign0 = coefficentsSign[index - width];\n            contribution = 1 - sign1 - sign0 + horizontalContribution;\n          } else {\n            contribution = 1 - sign1 - sign1 + horizontalContribution;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - width];\n          contribution = 1 - sign0 - sign0 + horizontalContribution;\n        } else {\n          contribution = horizontalContribution;\n        }\n\n        if (contribution >= 0) {\n          contextLabel = 9 + contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel);\n        } else {\n          contextLabel = 9 - contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;\n        }\n        return decoded;\n      },\n      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var neighborsSignificance = this.neighborsSignificance;\n        var contexts = this.contexts;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var length = width * height;\n        var width4 = width * 4;\n\n        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {\n          indexNext = Math.min(length, index0 + width4);\n          for (var j = 0; j < width; j++) {\n            for (var index = index0 + j; index < indexNext; index += width) {\n              // significant but not those that have just become\n              if (\n                !coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = 16;\n              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {\n                processingFlags[index] ^= firstMagnitudeBitMask;\n                // first refinement\n                var significance = neighborsSignificance[index] & 127;\n                contextLabel = significance === 0 ? 15 : 14;\n              }\n\n              var bit = decoder.readBit(contexts, contextLabel);\n              coefficentsMagnitude[index] =\n                (coefficentsMagnitude[index] << 1) | bit;\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      runCleanupPass: function BitModel_runCleanupPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var neighborsSignificance = this.neighborsSignificance;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var oneRowDown = width;\n        var twoRowsDown = width * 2;\n        var threeRowsDown = width * 3;\n        var iNext;\n        for (var i0 = 0; i0 < height; i0 = iNext) {\n          iNext = Math.min(i0 + 4, height);\n          var indexBase = i0 * width;\n          var checkAllEmpty = i0 + 3 < height;\n          for (var j = 0; j < width; j++) {\n            var index0 = indexBase + j;\n            // using the property: labels[neighborsSignificance[index]] === 0\n            // when neighborsSignificance[index] === 0\n            var allEmpty =\n              checkAllEmpty &&\n              processingFlags[index0] === 0 &&\n              processingFlags[index0 + oneRowDown] === 0 &&\n              processingFlags[index0 + twoRowsDown] === 0 &&\n              processingFlags[index0 + threeRowsDown] === 0 &&\n              neighborsSignificance[index0] === 0 &&\n              neighborsSignificance[index0 + oneRowDown] === 0 &&\n              neighborsSignificance[index0 + twoRowsDown] === 0 &&\n              neighborsSignificance[index0 + threeRowsDown] === 0;\n            var i1 = 0,\n              index = index0;\n            var i = i0,\n              sign;\n            if (allEmpty) {\n              var hasSignificantCoefficent = decoder.readBit(\n                contexts,\n                RUNLENGTH_CONTEXT\n              );\n              if (!hasSignificantCoefficent) {\n                bitsDecoded[index0]++;\n                bitsDecoded[index0 + oneRowDown]++;\n                bitsDecoded[index0 + twoRowsDown]++;\n                bitsDecoded[index0 + threeRowsDown]++;\n                continue; // next column\n              }\n              i1 =\n                (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n                decoder.readBit(contexts, UNIFORM_CONTEXT);\n              if (i1 !== 0) {\n                i = i0 + i1;\n                index += i1 * width;\n              }\n\n              sign = this.decodeSignBit(i, j, index);\n              coefficentsSign[index] = sign;\n              coefficentsMagnitude[index] = 1;\n              this.setNeighborsSignificance(i, j, index);\n              processingFlags[index] |= firstMagnitudeBitMask;\n\n              index = index0;\n              for (var i2 = i0; i2 <= i; i2++, index += width) {\n                bitsDecoded[index]++;\n              }\n\n              i1++;\n            }\n            for (i = i0 + i1; i < iNext; i++, index += width) {\n              if (\n                coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision === 1) {\n                sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n            }\n          }\n        }\n      },\n      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {\n        var decoder = this.decoder;\n        var contexts = this.contexts;\n        var symbol =\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n          decoder.readBit(contexts, UNIFORM_CONTEXT);\n        if (symbol !== 0xa) {\n          throw new JpxError(\"Invalid segmentation symbol\");\n        }\n      },\n    };\n\n    return BitModel;\n  })();\n\n  // Section F, Discrete wavelet transformation\n  var Transform = (function TransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function Transform() {}\n\n    Transform.prototype.calculate = function transformCalculate(\n      subbands,\n      u0,\n      v0\n    ) {\n      var ll = subbands[0];\n      for (var i = 1, ii = subbands.length; i < ii; i++) {\n        ll = this.iterate(ll, subbands[i], u0, v0);\n      }\n      return ll;\n    };\n    Transform.prototype.extend = function extend(buffer, offset, size) {\n      // Section F.3.7 extending... using max extension of 4\n      var i1 = offset - 1,\n        j1 = offset + 1;\n      var i2 = offset + size - 2,\n        j2 = offset + size;\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1] = buffer[j1];\n      buffer[j2] = buffer[i2];\n    };\n    Transform.prototype.iterate = function Transform_iterate(\n      ll,\n      hl_lh_hh,\n      u0,\n      v0\n    ) {\n      var llWidth = ll.width,\n        llHeight = ll.height,\n        llItems = ll.items;\n      var width = hl_lh_hh.width;\n      var height = hl_lh_hh.height;\n      var items = hl_lh_hh.items;\n      var i, j, k, l, u, v;\n\n      // Interleave LL according to Section F.3.3\n      for (k = 0, i = 0; i < llHeight; i++) {\n        l = i * 2 * width;\n        for (j = 0; j < llWidth; j++, k++, l += 2) {\n          items[l] = llItems[k];\n        }\n      }\n      // The LL band is not needed anymore.\n      llItems = ll.items = null;\n\n      var bufferPadding = 4;\n      var rowBuffer = new Float32Array(width + 2 * bufferPadding);\n\n      // Section F.3.4 HOR_SR\n      if (width === 1) {\n        // if width = 1, when u0 even keep items as is, when odd divide by 2\n        if ((u0 & 1) !== 0) {\n          for (v = 0, k = 0; v < height; v++, k += width) {\n            items[k] *= 0.5;\n          }\n        }\n      } else {\n        for (v = 0, k = 0; v < height; v++, k += width) {\n          rowBuffer.set(items.subarray(k, k + width), bufferPadding);\n\n          this.extend(rowBuffer, bufferPadding, width);\n          this.filter(rowBuffer, bufferPadding, width);\n\n          items.set(\n            rowBuffer.subarray(bufferPadding, bufferPadding + width),\n            k\n          );\n        }\n      }\n\n      // Accesses to the items array can take long, because it may not fit into\n      // CPU cache and has to be fetched from main memory. Since subsequent\n      // accesses to the items array are not local when reading columns, we\n      // have a cache miss every time. To reduce cache misses, get up to\n      // 'numBuffers' items at a time and store them into the individual\n      // buffers. The colBuffers should be small enough to fit into CPU cache.\n      var numBuffers = 16;\n      var colBuffers = [];\n      for (i = 0; i < numBuffers; i++) {\n        colBuffers.push(new Float32Array(height + 2 * bufferPadding));\n      }\n      var b,\n        currentBuffer = 0;\n      ll = bufferPadding + height;\n\n      // Section F.3.5 VER_SR\n      if (height === 1) {\n        // if height = 1, when v0 even keep items as is, when odd divide by 2\n        if ((v0 & 1) !== 0) {\n          for (u = 0; u < width; u++) {\n            items[u] *= 0.5;\n          }\n        }\n      } else {\n        for (u = 0; u < width; u++) {\n          // if we ran out of buffers, copy several image columns at once\n          if (currentBuffer === 0) {\n            numBuffers = Math.min(width - u, numBuffers);\n            for (k = u, l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                colBuffers[b][l] = items[k + b];\n              }\n            }\n            currentBuffer = numBuffers;\n          }\n\n          currentBuffer--;\n          var buffer = colBuffers[currentBuffer];\n          this.extend(buffer, bufferPadding, height);\n          this.filter(buffer, bufferPadding, height);\n\n          // If this is last buffer in this group of buffers, flush all buffers.\n          if (currentBuffer === 0) {\n            k = u - numBuffers + 1;\n            for (l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                items[k + b] = colBuffers[b][l];\n              }\n            }\n          }\n        }\n      }\n\n      return {\n        width,\n        height,\n        items,\n      };\n    };\n    return Transform;\n  })();\n\n  // Section 3.8.2 Irreversible 9-7 filter\n  var IrreversibleTransform = (function IrreversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function IrreversibleTransform() {\n      Transform.call(this);\n    }\n\n    IrreversibleTransform.prototype = Object.create(Transform.prototype);\n    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n, current, next;\n\n      var alpha = -1.586134342059924;\n      var beta = -0.052980118572961;\n      var gamma = 0.882911075530934;\n      var delta = 0.443506852043971;\n      var K = 1.230174104914001;\n      var K_ = 1 / K;\n\n      // step 1 is combined with step 3\n\n      // step 2\n      j = offset - 3;\n      for (n = len + 4; n--; j += 2) {\n        x[j] *= K_;\n      }\n\n      // step 1 & 3\n      j = offset - 2;\n      current = delta * x[j - 1];\n      for (n = len + 3; n--; j += 2) {\n        next = delta * x[j + 1];\n        x[j] = K * x[j] - current - next;\n        if (n--) {\n          j += 2;\n          current = delta * x[j + 1];\n          x[j] = K * x[j] - current - next;\n        } else {\n          break;\n        }\n      }\n\n      // step 4\n      j = offset - 1;\n      current = gamma * x[j - 1];\n      for (n = len + 2; n--; j += 2) {\n        next = gamma * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = gamma * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 5\n      j = offset;\n      current = beta * x[j - 1];\n      for (n = len + 1; n--; j += 2) {\n        next = beta * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = beta * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 6\n      if (len !== 0) {\n        j = offset + 1;\n        current = alpha * x[j - 1];\n        for (n = len; n--; j += 2) {\n          next = alpha * x[j + 1];\n          x[j] -= current + next;\n          if (n--) {\n            j += 2;\n            current = alpha * x[j + 1];\n            x[j] -= current + next;\n          } else {\n            break;\n          }\n        }\n      }\n    };\n\n    return IrreversibleTransform;\n  })();\n\n  // Section 3.8.1 Reversible 5-3 filter\n  var ReversibleTransform = (function ReversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function ReversibleTransform() {\n      Transform.call(this);\n    }\n\n    ReversibleTransform.prototype = Object.create(Transform.prototype);\n    ReversibleTransform.prototype.filter = function reversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n;\n\n      for (j = offset, n = len + 1; n--; j += 2) {\n        x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2;\n      }\n\n      for (j = offset + 1, n = len; n--; j += 2) {\n        x[j] += (x[j - 1] + x[j + 1]) >> 1;\n      }\n    };\n\n    return ReversibleTransform;\n  })();\n\n  return JpxImage;\n})();\n\nexport { JpxImage };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.min.js b/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.min.js
new file mode 100644
index 00000000..70daf12e
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/image_decoders/pdf.image_decoders.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
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n=r(1),i=r(179),o=r(180),a=r(181);function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(e){return typeof e}:function _typeof(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function _setPrototypeOf(e,t){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(e,t){e.__proto__=t;return e})(e,t)}function _createSuper(e){var t=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(e){return!1}}();return function _createSuperInternal(){var r,n=_getPrototypeOf(e);if(t){var i=_getPrototypeOf(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return _possibleConstructorReturn(this,r)}}function _possibleConstructorReturn(e,t){return!t||"object"!==_typeof(t)&&"function"!=typeof t?function _assertThisInitialized(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}function _getPrototypeOf(e){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}var s=function(e){!function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}});t&&_setPrototypeOf(e,t)}(Jbig2Error,e);var t=_createSuper(Jbig2Error);function Jbig2Error(e){!function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,Jbig2Error);return t.call(this,"JBIG2 error: ".concat(e))}return Jbig2Error}(n.BaseException),c=function Jbig2ImageClosure(){function ContextCache(){}ContextCache.prototype={getContexts:function getContexts(e){return e in this?this[e]:this[e]=new Int8Array(65536)}};function DecodingContext(e,t,r){this.data=e;this.start=t;this.end=r}DecodingContext.prototype={get decoder(){var e=new o.ArithmeticDecoder(this.data,this.start,this.end);return(0,n.shadow)(this,"decoder",e)},get contextCache(){var e=new ContextCache;return(0,n.shadow)(this,"contextCache",e)}};function decodeInteger(e,t,r){var n=e.getContexts(t),i=1;function readBits(e){for(var t=0,o=0;o<e;o++){var a=r.readBit(n,i);i=i<256?i<<1|a:511&(i<<1|a)|256;t=t<<1|a}return t>>>0}var o=readBits(1),a=readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(32)+4436:readBits(12)+340:readBits(8)+84:readBits(6)+20:readBits(4)+4:readBits(2);return 0===o?a:a>0?-a:null}function decodeIAID(e,t,r){for(var n=e.getContexts("IAID"),i=1,o=0;o<r;o++){i=i<<1|t.readBit(n,i)}return r<31?i&(1<<r)-1:2147483647&i}var e=["SymbolDictionary",null,null,null,"IntermediateTextRegion",null,"ImmediateTextRegion","ImmediateLosslessTextRegion",null,null,null,null,null,null,null,null,"PatternDictionary",null,null,null,"IntermediateHalftoneRegion",null,"ImmediateHalftoneRegion","ImmediateLosslessHalftoneRegion",null,null,null,null,null,null,null,null,null,null,null,null,"IntermediateGenericRegion",null,"ImmediateGenericRegion","ImmediateLosslessGenericRegion","IntermediateGenericRefinementRegion",null,"ImmediateGenericRefinementRegion","ImmediateLosslessGenericRefinementRegion",null,null,null,null,"PageInformation","EndOfPage","EndOfStripe","EndOfFile","Profiles","Tables",null,null,null,null,null,null,null,null,"Extension"],t=[[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:2,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-2,y:0},{x:-1,y:0}],[{x:-3,y:-1},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}]],r=[{coding:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:-1,y:1},{x:0,y:1},{x:1,y:1}]},{coding:[{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:0,y:1},{x:1,y:1}]}],c=[39717,1941,229,405],u=[32,8];function decodeBitmap(e,r,n,i,o,a,s,u){if(e){return decodeMMRBitmap(new Reader(u.data,u.start,u.end),r,n,!1)}if(0===i&&!a&&!o&&4===s.length&&3===s[0].x&&-1===s[0].y&&-3===s[1].x&&-1===s[1].y&&2===s[2].x&&-2===s[2].y&&-2===s[3].x&&-2===s[3].y)return function decodeBitmapTemplate0(e,t,r){var n,i,o,a,s,c,u,f=r.decoder,l=r.contextCache.getContexts("GB"),p=[];for(i=0;i<t;i++){s=p[i]=new Uint8Array(e);c=i<1?s:p[i-1];n=(u=i<2?s:p[i-2])[0]<<13|u[1]<<12|u[2]<<11|c[0]<<7|c[1]<<6|c[2]<<5|c[3]<<4;for(o=0;o<e;o++){s[o]=a=f.readBit(l,n);n=(31735&n)<<1|(o+3<e?u[o+3]<<11:0)|(o+4<e?c[o+4]<<4:0)|a}}return p}(r,n,u);var f=!!a,l=t[i].concat(s);l.sort((function(e,t){return e.y-t.y||e.x-t.x}));var p,d,h=l.length,g=new Int8Array(h),v=new Int8Array(h),m=[],y=0,b=0,x=0,w=0;for(d=0;d<h;d++){g[d]=l[d].x;v[d]=l[d].y;b=Math.min(b,l[d].x);x=Math.max(x,l[d].x);w=Math.min(w,l[d].y);d<h-1&&l[d].y===l[d+1].y&&l[d].x===l[d+1].x-1?y|=1<<h-1-d:m.push(d)}var S=m.length,_=new Int8Array(S),T=new Int8Array(S),P=new Uint16Array(S);for(p=0;p<S;p++){d=m[p];_[p]=l[d].x;T[p]=l[d].y;P[p]=1<<h-1-d}for(var C,k,I,O,E,A=-b,R=-w,M=r-x,D=c[i],L=new Uint8Array(r),B=[],U=u.decoder,N=u.contextCache.getContexts("GB"),j=0,z=0,H=0;H<n;H++){if(o){if(j^=U.readBit(N,D)){B.push(L);continue}}L=new Uint8Array(L);B.push(L);for(C=0;C<r;C++)if(f&&a[H][C])L[C]=0;else{if(C>=A&&C<M&&H>=R){z=z<<1&y;for(d=0;d<S;d++){k=H+T[d];I=C+_[d];(O=B[k][I])&&(z|=O=P[d])}}else{z=0;E=h-1;for(d=0;d<h;d++,E--)(I=C+g[d])>=0&&I<r&&(k=H+v[d])>=0&&(O=B[k][I])&&(z|=O<<E)}var W=U.readBit(N,z);L[C]=W}}return B}function decodeRefinement(e,t,n,i,o,a,c,f,l){var p=r[n].coding;0===n&&(p=p.concat([f[0]]));var d,h=p.length,g=new Int32Array(h),v=new Int32Array(h);for(d=0;d<h;d++){g[d]=p[d].x;v[d]=p[d].y}var m=r[n].reference;0===n&&(m=m.concat([f[1]]));var y=m.length,b=new Int32Array(y),x=new Int32Array(y);for(d=0;d<y;d++){b[d]=m[d].x;x[d]=m[d].y}for(var w=i[0].length,S=i.length,_=u[n],T=[],P=l.decoder,C=l.contextCache.getContexts("GR"),k=0,I=0;I<t;I++){if(c){if(k^=P.readBit(C,_))throw new s("prediction is not supported")}var O=new Uint8Array(e);T.push(O);for(var E=0;E<e;E++){var A,R,M=0;for(d=0;d<h;d++){A=I+v[d];R=E+g[d];A<0||R<0||R>=e?M<<=1:M=M<<1|T[A][R]}for(d=0;d<y;d++){A=I+x[d]-a;R=E+b[d]-o;A<0||A>=S||R<0||R>=w?M<<=1:M=M<<1|i[A][R]}var D=P.readBit(C,M);O[E]=D}}return T}function decodeTextRegion(e,t,r,n,i,o,a,c,u,f,l,p,d,h,g,v,m,y,b){if(e&&t)throw new s("refinement with Huffman is not supported");var x,w,S=[];for(x=0;x<n;x++){w=new Uint8Array(r);if(i)for(var _=0;_<r;_++)w[_]=i;S.push(w)}var T=m.decoder,P=m.contextCache,C=e?-h.tableDeltaT.decode(b):-decodeInteger(P,"IADT",T),k=0;x=0;for(;x<o;){C+=e?h.tableDeltaT.decode(b):decodeInteger(P,"IADT",T);for(var I=k+=e?h.tableFirstS.decode(b):decodeInteger(P,"IAFS",T);;){var O=0;a>1&&(O=e?b.readBits(y):decodeInteger(P,"IAIT",T));var E=a*C+O,A=e?h.symbolIDTable.decode(b):decodeIAID(P,T,u),R=t&&(e?b.readBit():decodeInteger(P,"IARI",T)),M=c[A],D=M[0].length,L=M.length;if(R){var B=decodeInteger(P,"IARDW",T),U=decodeInteger(P,"IARDH",T);M=decodeRefinement(D+=B,L+=U,g,M,(B>>1)+decodeInteger(P,"IARDX",T),(U>>1)+decodeInteger(P,"IARDY",T),!1,v,m)}var N,j,z,H=E-(1&p?0:L-1),W=I-(2&p?D-1:0);if(f){for(N=0;N<L;N++)if(w=S[W+N]){z=M[N];var X=Math.min(r-H,D);switch(d){case 0:for(j=0;j<X;j++)w[H+j]|=z[j];break;case 2:for(j=0;j<X;j++)w[H+j]^=z[j];break;default:throw new s("operator ".concat(d," is not supported"))}}I+=L-1}else{for(j=0;j<L;j++)if(w=S[H+j]){z=M[j];switch(d){case 0:for(N=0;N<D;N++)w[W+N]|=z[N];break;case 2:for(N=0;N<D;N++)w[W+N]^=z[N];break;default:throw new s("operator ".concat(d," is not supported"))}}I+=D-1}x++;var q=e?h.tableDeltaS.decode(b):decodeInteger(P,"IADS",T);if(null===q)break;I+=q+l}}return S}function readSegmentHeader(t,r){var n={};n.number=(0,i.readUint32)(t,r);var o=t[r+4],a=63&o;if(!e[a])throw new s("invalid segment type: "+a);n.type=a;n.typeName=e[a];n.deferredNonRetain=!!(128&o);var c=!!(64&o),u=t[r+5],l=u>>5&7,p=[31&u],d=r+6;if(7===u){l=536870911&(0,i.readUint32)(t,d-1);d+=3;var h=l+7>>3;p[0]=t[d++];for(;--h>0;)p.push(t[d++])}else if(5===u||6===u)throw new s("invalid referred-to flags");n.retainBits=p;var g=4;n.number<=256?g=1:n.number<=65536&&(g=2);var v,m,y=[];for(v=0;v<l;v++){var b=void 0;b=1===g?t[d]:2===g?(0,i.readUint16)(t,d):(0,i.readUint32)(t,d);y.push(b);d+=g}n.referredTo=y;if(c){n.pageAssociation=(0,i.readUint32)(t,d);d+=4}else n.pageAssociation=t[d++];n.length=(0,i.readUint32)(t,d);d+=4;if(4294967295===n.length){if(38!==a)throw new s("invalid unknown segment length");var x=readRegionSegmentInformation(t,d),w=!!(1&t[d+f]),S=new Uint8Array(6);if(!w){S[0]=255;S[1]=172}S[2]=x.height>>>24&255;S[3]=x.height>>16&255;S[4]=x.height>>8&255;S[5]=255&x.height;for(v=d,m=t.length;v<m;v++){for(var _=0;_<6&&S[_]===t[v+_];)_++;if(6===_){n.length=v+6;break}}if(4294967295===n.length)throw new s("segment end was not found")}n.headerEnd=d;return n}function readSegments(e,t,r,n){for(var i=[],o=r;o<n;){var a=readSegmentHeader(t,o);o=a.headerEnd;var s={header:a,data:t};if(!e.randomAccess){s.start=o;o+=a.length;s.end=o}i.push(s);if(51===a.type)break}if(e.randomAccess)for(var c=0,u=i.length;c<u;c++){i[c].start=o;o+=i[c].header.length;i[c].end=o}return i}function readRegionSegmentInformation(e,t){return{width:(0,i.readUint32)(e,t),height:(0,i.readUint32)(e,t+4),x:(0,i.readUint32)(e,t+8),y:(0,i.readUint32)(e,t+12),combinationOperator:7&e[t+16]}}var f=17;function processSegment(e,t){var r,n,o,a,c=e.header,u=e.data,l=e.start,p=e.end;switch(c.type){case 0:var d={},h=(0,i.readUint16)(u,l);d.huffman=!!(1&h);d.refinement=!!(2&h);d.huffmanDHSelector=h>>2&3;d.huffmanDWSelector=h>>4&3;d.bitmapSizeSelector=h>>6&1;d.aggregationInstancesSelector=h>>7&1;d.bitmapCodingContextUsed=!!(256&h);d.bitmapCodingContextRetained=!!(512&h);d.template=h>>10&3;d.refinementTemplate=h>>12&1;l+=2;if(!d.huffman){a=0===d.template?4:1;n=[];for(o=0;o<a;o++){n.push({x:(0,i.readInt8)(u,l),y:(0,i.readInt8)(u,l+1)});l+=2}d.at=n}if(d.refinement&&!d.refinementTemplate){n=[];for(o=0;o<2;o++){n.push({x:(0,i.readInt8)(u,l),y:(0,i.readInt8)(u,l+1)});l+=2}d.refinementAt=n}d.numberOfExportedSymbols=(0,i.readUint32)(u,l);l+=4;d.numberOfNewSymbols=(0,i.readUint32)(u,l);l+=4;r=[d,c.number,c.referredTo,u,l,p];break;case 6:case 7:var g={};g.info=readRegionSegmentInformation(u,l);l+=f;var v=(0,i.readUint16)(u,l);l+=2;g.huffman=!!(1&v);g.refinement=!!(2&v);g.logStripSize=v>>2&3;g.stripSize=1<<g.logStripSize;g.referenceCorner=v>>4&3;g.transposed=!!(64&v);g.combinationOperator=v>>7&3;g.defaultPixelValue=v>>9&1;g.dsOffset=v<<17>>27;g.refinementTemplate=v>>15&1;if(g.huffman){var m=(0,i.readUint16)(u,l);l+=2;g.huffmanFS=3&m;g.huffmanDS=m>>2&3;g.huffmanDT=m>>4&3;g.huffmanRefinementDW=m>>6&3;g.huffmanRefinementDH=m>>8&3;g.huffmanRefinementDX=m>>10&3;g.huffmanRefinementDY=m>>12&3;g.huffmanRefinementSizeSelector=!!(16384&m)}if(g.refinement&&!g.refinementTemplate){n=[];for(o=0;o<2;o++){n.push({x:(0,i.readInt8)(u,l),y:(0,i.readInt8)(u,l+1)});l+=2}g.refinementAt=n}g.numberOfSymbolInstances=(0,i.readUint32)(u,l);l+=4;r=[g,c.referredTo,u,l,p];break;case 16:var y={},b=u[l++];y.mmr=!!(1&b);y.template=b>>1&3;y.patternWidth=u[l++];y.patternHeight=u[l++];y.maxPatternIndex=(0,i.readUint32)(u,l);l+=4;r=[y,c.number,u,l,p];break;case 22:case 23:var x={};x.info=readRegionSegmentInformation(u,l);l+=f;var w=u[l++];x.mmr=!!(1&w);x.template=w>>1&3;x.enableSkip=!!(8&w);x.combinationOperator=w>>4&7;x.defaultPixelValue=w>>7&1;x.gridWidth=(0,i.readUint32)(u,l);l+=4;x.gridHeight=(0,i.readUint32)(u,l);l+=4;x.gridOffsetX=4294967295&(0,i.readUint32)(u,l);l+=4;x.gridOffsetY=4294967295&(0,i.readUint32)(u,l);l+=4;x.gridVectorX=(0,i.readUint16)(u,l);l+=2;x.gridVectorY=(0,i.readUint16)(u,l);l+=2;r=[x,c.referredTo,u,l,p];break;case 38:case 39:var S={};S.info=readRegionSegmentInformation(u,l);l+=f;var _=u[l++];S.mmr=!!(1&_);S.template=_>>1&3;S.prediction=!!(8&_);if(!S.mmr){a=0===S.template?4:1;n=[];for(o=0;o<a;o++){n.push({x:(0,i.readInt8)(u,l),y:(0,i.readInt8)(u,l+1)});l+=2}S.at=n}r=[S,u,l,p];break;case 48:var T={width:(0,i.readUint32)(u,l),height:(0,i.readUint32)(u,l+4),resolutionX:(0,i.readUint32)(u,l+8),resolutionY:(0,i.readUint32)(u,l+12)};4294967295===T.height&&delete T.height;var P=u[l+16];(0,i.readUint16)(u,l+17);T.lossless=!!(1&P);T.refinement=!!(2&P);T.defaultPixelValue=P>>2&1;T.combinationOperator=P>>3&3;T.requiresBuffer=!!(32&P);T.combinationOperatorOverride=!!(64&P);r=[T];break;case 49:case 50:case 51:break;case 53:r=[c.number,u,l,p];break;case 62:break;default:throw new s("segment type ".concat(c.typeName,"(").concat(c.type,")")+" is not implemented")}var C="on"+c.typeName;C in t&&t[C].apply(t,r)}function processSegments(e,t){for(var r=0,n=e.length;r<n;r++)processSegment(e[r],t)}function SimpleSegmentVisitor(){}SimpleSegmentVisitor.prototype={onPageInformation:function SimpleSegmentVisitor_onPageInformation(e){this.currentPageInfo=e;var t=e.width+7>>3,r=new Uint8ClampedArray(t*e.height);if(e.defaultPixelValue)for(var n=0,i=r.length;n<i;n++)r[n]=255;this.buffer=r},drawBitmap:function SimpleSegmentVisitor_drawBitmap(e,t){var r,n,i,o,a=this.currentPageInfo,c=e.width,u=e.height,f=a.width+7>>3,l=a.combinationOperatorOverride?e.combinationOperator:a.combinationOperator,p=this.buffer,d=128>>(7&e.x),h=e.y*f+(e.x>>3);switch(l){case 0:for(r=0;r<u;r++){i=d;o=h;for(n=0;n<c;n++){t[r][n]&&(p[o]|=i);if(!(i>>=1)){i=128;o++}}h+=f}break;case 2:for(r=0;r<u;r++){i=d;o=h;for(n=0;n<c;n++){t[r][n]&&(p[o]^=i);if(!(i>>=1)){i=128;o++}}h+=f}break;default:throw new s("operator ".concat(l," is not supported"))}},onImmediateGenericRegion:function SimpleSegmentVisitor_onImmediateGenericRegion(e,t,r,n){var i=e.info,o=new DecodingContext(t,r,n),a=decodeBitmap(e.mmr,i.width,i.height,e.template,e.prediction,null,e.at,o);this.drawBitmap(i,a)},onImmediateLosslessGenericRegion:function SimpleSegmentVisitor_onImmediateLosslessGenericRegion(){this.onImmediateGenericRegion.apply(this,arguments)},onSymbolDictionary:function SimpleSegmentVisitor_onSymbolDictionary(e,t,r,n,o,a){var c,u;if(e.huffman){c=function getSymbolDictionaryHuffmanTables(e,t,r){var n,i,o,a,c=0;switch(e.huffmanDHSelector){case 0:case 1:n=getStandardTable(e.huffmanDHSelector+4);break;case 3:n=getCustomHuffmanTable(c,t,r);c++;break;default:throw new s("invalid Huffman DH selector")}switch(e.huffmanDWSelector){case 0:case 1:i=getStandardTable(e.huffmanDWSelector+2);break;case 3:i=getCustomHuffmanTable(c,t,r);c++;break;default:throw new s("invalid Huffman DW selector")}if(e.bitmapSizeSelector){o=getCustomHuffmanTable(c,t,r);c++}else o=getStandardTable(1);a=e.aggregationInstancesSelector?getCustomHuffmanTable(c,t,r):getStandardTable(1);return{tableDeltaHeight:n,tableDeltaWidth:i,tableBitmapSize:o,tableAggregateInstances:a}}(e,r,this.customTables);u=new Reader(n,o,a)}var f=this.symbols;f||(this.symbols=f={});for(var l=[],p=0,d=r.length;p<d;p++){var h=f[r[p]];h&&(l=l.concat(h))}var g=new DecodingContext(n,o,a);f[t]=function decodeSymbolDictionary(e,t,r,n,o,a,c,u,f,l,p,d){if(e&&t)throw new s("symbol refinement with Huffman is not supported");var h,g,v=[],m=0,y=(0,i.log2)(r.length+n),b=p.decoder,x=p.contextCache;if(e){h=getStandardTable(1);g=[];y=Math.max(y,1)}for(;v.length<n;){m+=e?a.tableDeltaHeight.decode(d):decodeInteger(x,"IADH",b);for(var w=0,S=0,_=e?g.length:0;;){var T,P=e?a.tableDeltaWidth.decode(d):decodeInteger(x,"IADW",b);if(null===P)break;S+=w+=P;if(t){var C=decodeInteger(x,"IAAI",b);if(C>1)T=decodeTextRegion(e,t,w,m,0,C,1,r.concat(v),y,0,0,1,0,a,f,l,p,0,d);else{var k=decodeIAID(x,b,y),I=decodeInteger(x,"IARDX",b),O=decodeInteger(x,"IARDY",b);T=decodeRefinement(w,m,f,k<r.length?r[k]:v[k-r.length],I,O,!1,l,p)}v.push(T)}else if(e)g.push(w);else{T=decodeBitmap(!1,w,m,c,!1,null,u,p);v.push(T)}}if(e&&!t){var E=a.tableBitmapSize.decode(d);d.byteAlign();var A=void 0;if(0===E)A=readUncompressedBitmap(d,S,m);else{var R=d.end,M=d.position+E;d.end=M;A=decodeMMRBitmap(d,S,m,!1);d.end=R;d.position=M}var D=g.length;if(_===D-1)v.push(A);else{var L=void 0,B=void 0,U=0,N=void 0,j=void 0;for(L=_;L<D;L++){N=U+g[L];j=[];for(B=0;B<m;B++)j.push(A[B].subarray(U,N));v.push(j);U=N}}}}for(var z=[],H=[],W=!1,X=r.length+n;H.length<X;){for(var q=e?h.decode(d):decodeInteger(x,"IAEX",b);q--;)H.push(W);W=!W}for(var Y=0,V=r.length;Y<V;Y++)H[Y]&&z.push(r[Y]);for(var J=0;J<n;Y++,J++)H[Y]&&z.push(v[J]);return z}(e.huffman,e.refinement,l,e.numberOfNewSymbols,e.numberOfExportedSymbols,c,e.template,e.at,e.refinementTemplate,e.refinementAt,g,u)},onImmediateTextRegion:function SimpleSegmentVisitor_onImmediateTextRegion(e,t,r,n,o){for(var a,c,u=e.info,f=this.symbols,l=[],p=0,d=t.length;p<d;p++){var h=f[t[p]];h&&(l=l.concat(h))}var g=(0,i.log2)(l.length);if(e.huffman){c=new Reader(r,n,o);a=function getTextRegionHuffmanTables(e,t,r,n,i){for(var o=[],a=0;a<=34;a++){var c=i.readBits(4);o.push(new HuffmanLine([a,c,0,0]))}var u=new HuffmanTable(o,!1);o.length=0;for(var f=0;f<n;){var l=u.decode(i);if(l>=32){var p=void 0,d=void 0,h=void 0;switch(l){case 32:if(0===f)throw new s("no previous value in symbol ID table");d=i.readBits(2)+3;p=o[f-1].prefixLength;break;case 33:d=i.readBits(3)+3;p=0;break;case 34:d=i.readBits(7)+11;p=0;break;default:throw new s("invalid code length in symbol ID table")}for(h=0;h<d;h++){o.push(new HuffmanLine([f,p,0,0]));f++}}else{o.push(new HuffmanLine([f,l,0,0]));f++}}i.byteAlign();var g,v,m,y=new HuffmanTable(o,!1),b=0;switch(e.huffmanFS){case 0:case 1:g=getStandardTable(e.huffmanFS+6);break;case 3:g=getCustomHuffmanTable(b,t,r);b++;break;default:throw new s("invalid Huffman FS selector")}switch(e.huffmanDS){case 0:case 1:case 2:v=getStandardTable(e.huffmanDS+8);break;case 3:v=getCustomHuffmanTable(b,t,r);b++;break;default:throw new s("invalid Huffman DS selector")}switch(e.huffmanDT){case 0:case 1:case 2:m=getStandardTable(e.huffmanDT+11);break;case 3:m=getCustomHuffmanTable(b,t,r);b++;break;default:throw new s("invalid Huffman DT selector")}if(e.refinement)throw new s("refinement with Huffman is not supported");return{symbolIDTable:y,tableFirstS:g,tableDeltaS:v,tableDeltaT:m}}(e,t,this.customTables,l.length,c)}var v=new DecodingContext(r,n,o),m=decodeTextRegion(e.huffman,e.refinement,u.width,u.height,e.defaultPixelValue,e.numberOfSymbolInstances,e.stripSize,l,g,e.transposed,e.dsOffset,e.referenceCorner,e.combinationOperator,a,e.refinementTemplate,e.refinementAt,v,e.logStripSize,c);this.drawBitmap(u,m)},onImmediateLosslessTextRegion:function SimpleSegmentVisitor_onImmediateLosslessTextRegion(){this.onImmediateTextRegion.apply(this,arguments)},onPatternDictionary:function onPatternDictionary(e,t,r,n,i){var o=this.patterns;o||(this.patterns=o={});var a=new DecodingContext(r,n,i);o[t]=function decodePatternDictionary(e,t,r,n,i,o){var a=[];if(!e){a.push({x:-t,y:0});if(0===i){a.push({x:-3,y:-1});a.push({x:2,y:-2});a.push({x:-2,y:-2})}}for(var s=decodeBitmap(e,(n+1)*t,r,i,!1,null,a,o),c=[],u=0;u<=n;u++){for(var f=[],l=t*u,p=l+t,d=0;d<r;d++)f.push(s[d].subarray(l,p));c.push(f)}return c}(e.mmr,e.patternWidth,e.patternHeight,e.maxPatternIndex,e.template,a)},onImmediateHalftoneRegion:function onImmediateHalftoneRegion(e,t,r,n,o){var a=this.patterns[t[0]],c=e.info,u=new DecodingContext(r,n,o),f=function decodeHalftoneRegion(e,t,r,n,o,a,c,u,f,l,p,d,h,g,v){if(c)throw new s("skip is not supported");if(0!==u)throw new s("operator "+u+" is not supported in halftone region");var m,y,b,x=[];for(m=0;m<o;m++){b=new Uint8Array(n);if(a)for(y=0;y<n;y++)b[y]=a;x.push(b)}var w=t.length,S=t[0],_=S[0].length,T=S.length,P=(0,i.log2)(w),C=[];if(!e){C.push({x:r<=1?3:2,y:-1});if(0===r){C.push({x:-3,y:-1});C.push({x:2,y:-2});C.push({x:-2,y:-2})}}var k,I,O,E,A,R,M,D,L,B,U,N=[];e&&(k=new Reader(v.data,v.start,v.end));for(m=P-1;m>=0;m--){I=e?decodeMMRBitmap(k,f,l,!0):decodeBitmap(!1,f,l,r,!1,null,C,v);N[m]=I}for(O=0;O<l;O++)for(E=0;E<f;E++){A=0;R=0;for(y=P-1;y>=0;y--)R|=(A=N[y][O][E]^A)<<y;M=t[R];L=d+O*h-E*g>>8;if((D=p+O*g+E*h>>8)>=0&&D+_<=n&&L>=0&&L+T<=o)for(m=0;m<T;m++){U=x[L+m];B=M[m];for(y=0;y<_;y++)U[D+y]|=B[y]}else{var j=void 0,z=void 0;for(m=0;m<T;m++)if(!((z=L+m)<0||z>=o)){U=x[z];B=M[m];for(y=0;y<_;y++)(j=D+y)>=0&&j<n&&(U[j]|=B[y])}}}return x}(e.mmr,a,e.template,c.width,c.height,e.defaultPixelValue,e.enableSkip,e.combinationOperator,e.gridWidth,e.gridHeight,e.gridOffsetX,e.gridOffsetY,e.gridVectorX,e.gridVectorY,u);this.drawBitmap(c,f)},onImmediateLosslessHalftoneRegion:function onImmediateLosslessHalftoneRegion(){this.onImmediateHalftoneRegion.apply(this,arguments)},onTables:function onTables(e,t,r,n){var o=this.customTables;o||(this.customTables=o={});o[e]=function decodeTablesSegment(e,t,r){var n,o,a=e[t],s=4294967295&(0,i.readUint32)(e,t+1),c=4294967295&(0,i.readUint32)(e,t+5),u=new Reader(e,t+9,r),f=1+(a>>1&7),l=1+(a>>4&7),p=[],d=s;do{n=u.readBits(f);o=u.readBits(l);p.push(new HuffmanLine([d,n,o,0]));d+=1<<o}while(d<c);n=u.readBits(f);p.push(new HuffmanLine([s-1,n,32,0,"lower"]));n=u.readBits(f);p.push(new HuffmanLine([c,n,32,0]));if(1&a){n=u.readBits(f);p.push(new HuffmanLine([n,0]))}return new HuffmanTable(p,!1)}(t,r,n)}};function HuffmanLine(e){if(2===e.length){this.isOOB=!0;this.rangeLow=0;this.prefixLength=e[0];this.rangeLength=0;this.prefixCode=e[1];this.isLowerRange=!1}else{this.isOOB=!1;this.rangeLow=e[0];this.prefixLength=e[1];this.rangeLength=e[2];this.prefixCode=e[3];this.isLowerRange="lower"===e[4]}}function HuffmanTreeNode(e){this.children=[];if(e){this.isLeaf=!0;this.rangeLength=e.rangeLength;this.rangeLow=e.rangeLow;this.isLowerRange=e.isLowerRange;this.isOOB=e.isOOB}else this.isLeaf=!1}HuffmanTreeNode.prototype={buildTree:function buildTree(e,t){var r=e.prefixCode>>t&1;if(t<=0)this.children[r]=new HuffmanTreeNode(e);else{var n=this.children[r];n||(this.children[r]=n=new HuffmanTreeNode(null));n.buildTree(e,t-1)}},decodeNode:function decodeNode(e){if(this.isLeaf){if(this.isOOB)return null;var t=e.readBits(this.rangeLength);return this.rangeLow+(this.isLowerRange?-t:t)}var r=this.children[e.readBit()];if(!r)throw new s("invalid Huffman data");return r.decodeNode(e)}};function HuffmanTable(e,t){t||this.assignPrefixCodes(e);this.rootNode=new HuffmanTreeNode(null);for(var r=0,n=e.length;r<n;r++){var i=e[r];i.prefixLength>0&&this.rootNode.buildTree(i,i.prefixLength-1)}}HuffmanTable.prototype={decode:function decode(e){return this.rootNode.decodeNode(e)},assignPrefixCodes:function assignPrefixCodes(e){for(var t=e.length,r=0,n=0;n<t;n++)r=Math.max(r,e[n].prefixLength);for(var i=new Uint32Array(r+1),o=0;o<t;o++)i[e[o].prefixLength]++;var a,s,c,u=1,f=0;i[0]=0;for(;u<=r;){a=f=f+i[u-1]<<1;s=0;for(;s<t;){if((c=e[s]).prefixLength===u){c.prefixCode=a;a++}s++}u++}}};var l={};function getStandardTable(e){var t,r=l[e];if(r)return r;switch(e){case 1:t=[[0,1,4,0],[16,2,8,2],[272,3,16,6],[65808,3,32,7]];break;case 2:t=[[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[75,6,32,62],[6,63]];break;case 3:t=[[-256,8,8,254],[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[-257,8,32,255,"lower"],[75,7,32,126],[6,62]];break;case 4:t=[[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[76,5,32,31]];break;case 5:t=[[-255,7,8,126],[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[-256,7,32,127,"lower"],[76,6,32,62]];break;case 6:t=[[-2048,5,10,28],[-1024,4,9,8],[-512,4,8,9],[-256,4,7,10],[-128,5,6,29],[-64,5,5,30],[-32,4,5,11],[0,2,7,0],[128,3,7,2],[256,3,8,3],[512,4,9,12],[1024,4,10,13],[-2049,6,32,62,"lower"],[2048,6,32,63]];break;case 7:t=[[-1024,4,9,8],[-512,3,8,0],[-256,4,7,9],[-128,5,6,26],[-64,5,5,27],[-32,4,5,10],[0,4,5,11],[32,5,5,28],[64,5,6,29],[128,4,7,12],[256,3,8,1],[512,3,9,2],[1024,3,10,3],[-1025,5,32,30,"lower"],[2048,5,32,31]];break;case 8:t=[[-15,8,3,252],[-7,9,1,508],[-5,8,1,253],[-3,9,0,509],[-2,7,0,124],[-1,4,0,10],[0,2,1,0],[2,5,0,26],[3,6,0,58],[4,3,4,4],[20,6,1,59],[22,4,4,11],[38,4,5,12],[70,5,6,27],[134,5,7,28],[262,6,7,60],[390,7,8,125],[646,6,10,61],[-16,9,32,510,"lower"],[1670,9,32,511],[2,1]];break;case 9:t=[[-31,8,4,252],[-15,9,2,508],[-11,8,2,253],[-7,9,1,509],[-5,7,1,124],[-3,4,1,10],[-1,3,1,2],[1,3,1,3],[3,5,1,26],[5,6,1,58],[7,3,5,4],[39,6,2,59],[43,4,5,11],[75,4,6,12],[139,5,7,27],[267,5,8,28],[523,6,8,60],[779,7,9,125],[1291,6,11,61],[-32,9,32,510,"lower"],[3339,9,32,511],[2,0]];break;case 10:t=[[-21,7,4,122],[-5,8,0,252],[-4,7,0,123],[-3,5,0,24],[-2,2,2,0],[2,5,0,25],[3,6,0,54],[4,7,0,124],[5,8,0,253],[6,2,6,1],[70,5,5,26],[102,6,5,55],[134,6,6,56],[198,6,7,57],[326,6,8,58],[582,6,9,59],[1094,6,10,60],[2118,7,11,125],[-22,8,32,254,"lower"],[4166,8,32,255],[2,2]];break;case 11:t=[[1,1,0,0],[2,2,1,2],[4,4,0,12],[5,4,1,13],[7,5,1,28],[9,5,2,29],[13,6,2,60],[17,7,2,122],[21,7,3,123],[29,7,4,124],[45,7,5,125],[77,7,6,126],[141,7,32,127]];break;case 12:t=[[1,1,0,0],[2,2,0,2],[3,3,1,6],[5,5,0,28],[6,5,1,29],[8,6,1,60],[10,7,0,122],[11,7,1,123],[13,7,2,124],[17,7,3,125],[25,7,4,126],[41,8,5,254],[73,8,32,255]];break;case 13:t=[[1,1,0,0],[2,3,0,4],[3,4,0,12],[4,5,0,28],[5,4,1,13],[7,3,3,5],[15,6,1,58],[17,6,2,59],[21,6,3,60],[29,6,4,61],[45,6,5,62],[77,7,6,126],[141,7,32,127]];break;case 14:t=[[-2,3,0,4],[-1,3,0,5],[0,1,0,0],[1,3,0,6],[2,3,0,7]];break;case 15:t=[[-24,7,4,124],[-8,6,2,60],[-4,5,1,28],[-2,4,0,12],[-1,3,0,4],[0,1,0,0],[1,3,0,5],[2,4,0,13],[3,5,1,29],[5,6,2,61],[9,7,4,125],[-25,7,32,126,"lower"],[25,7,32,127]];break;default:throw new s("standard table B.".concat(e," does not exist"))}for(var n=0,i=t.length;n<i;n++)t[n]=new HuffmanLine(t[n]);r=new HuffmanTable(t,!0);l[e]=r;return r}function Reader(e,t,r){this.data=e;this.start=t;this.end=r;this.position=t;this.shift=-1;this.currentByte=0}Reader.prototype={readBit:function readBit(){if(this.shift<0){if(this.position>=this.end)throw new s("end of data while reading bit");this.currentByte=this.data[this.position++];this.shift=7}var e=this.currentByte>>this.shift&1;this.shift--;return e},readBits:function readBits(e){var t,r=0;for(t=e-1;t>=0;t--)r|=this.readBit()<<t;return r},byteAlign:function byteAlign(){this.shift=-1},next:function next(){return this.position>=this.end?-1:this.data[this.position++]}};function getCustomHuffmanTable(e,t,r){for(var n=0,i=0,o=t.length;i<o;i++){var a=r[t[i]];if(a){if(e===n)return a;n++}}throw new s("can't find custom Huffman table")}function readUncompressedBitmap(e,t,r){for(var n=[],i=0;i<r;i++){var o=new Uint8Array(t);n.push(o);for(var a=0;a<t;a++)o[a]=e.readBit();e.byteAlign()}return n}function decodeMMRBitmap(e,t,r,n){for(var i,o={K:-1,Columns:t,Rows:r,BlackIs1:!0,EndOfBlock:n},s=new a.CCITTFaxDecoder(e,o),c=[],u=!1,f=0;f<r;f++){var l=new Uint8Array(t);c.push(l);for(var p=-1,d=0;d<t;d++){if(p<0){if(-1===(i=s.readNextChar())){i=0;u=!0}p=7}l[d]=i>>p&1;p--}}if(n&&!u)for(var h=0;h<5&&-1!==s.readNextChar();h++);return c}function Jbig2Image(){}Jbig2Image.prototype={parseChunks:function parseChunks(e){return function parseJbig2Chunks(e){for(var t=new SimpleSegmentVisitor,r=0,n=e.length;r<n;r++){var i=e[r];processSegments(readSegments({},i.data,i.start,i.end),t)}return t.buffer}(e)},parse:function parse(e){var t=function parseJbig2(e){var t=e.length,r=0;if(151!==e[r]||74!==e[r+1]||66!==e[r+2]||50!==e[r+3]||13!==e[r+4]||10!==e[r+5]||26!==e[r+6]||10!==e[r+7])throw new s("parseJbig2 - invalid header.");var n=Object.create(null);r+=8;var o=e[r++];n.randomAccess=!(1&o);if(!(2&o)){n.numberOfPages=(0,i.readUint32)(e,r);r+=4}var a=readSegments(n,e,r,t),c=new SimpleSegmentVisitor;processSegments(a,c);for(var u=c.currentPageInfo,f=u.width,l=u.height,p=c.buffer,d=new Uint8ClampedArray(f*l),h=0,g=0,v=0;v<l;v++)for(var m=0,y=void 0,b=0;b<f;b++){if(!m){m=128;y=p[g++]}d[h++]=y&m?0:255;m>>=1}return{imgData:d,width:f,height:l}}(e),r=t.imgData,n=t.width,o=t.height;this.width=n;this.height=o;return r}};return Jbig2Image}();t.Jbig2Image=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getLookupTableFactory=function getLookupTableFactory(e){var t;return function(){if(e){t=Object.create(null);e(t);e=null}return t}};t.getInheritableProperty=function getInheritableProperty(e){var t,r=e.dict,i=e.key,o=e.getArray,a=void 0!==o&&o,s=e.stopWhenFound,c=void 0===s||s,u=0;for(;r;){var f=a?r.getArray(i):r.get(i);if(void 0!==f){if(c)return f;t||(t=[]);t.push(f)}if(++u>100){(0,n.warn)('getInheritableProperty: maximum loop count exceeded for "'.concat(i,'"'));break}r=r.get("Parent")}return t};t.toRomanNumerals=function toRomanNumerals(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];(0,n.assert)(Number.isInteger(e)&&e>0,"The number should be a positive integer.");var r,i=[];for(;e>=1e3;){e-=1e3;i.push("M")}r=e/100|0;e%=100;i.push(s[r]);r=e/10|0;e%=10;i.push(s[10+r]);i.push(s[20+e]);var o=i.join("");return t?o.toLowerCase():o};t.log2=function log2(e){if(e<=0)return 0;return Math.ceil(Math.log2(e))};t.readInt8=function readInt8(e,t){return e[t]<<24>>24};t.readUint16=function readUint16(e,t){return e[t]<<8|e[t+1]};t.readUint32=function readUint32(e,t){return(e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3])>>>0};t.isWhiteSpace=function isWhiteSpace(e){return 32===e||9===e||13===e||10===e};t.XRefParseException=t.XRefEntryException=t.MissingDataException=void 0;var n=r(1);function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(e){return typeof e}:function _typeof(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}});t&&_setPrototypeOf(e,t)}function _setPrototypeOf(e,t){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(e,t){e.__proto__=t;return e})(e,t)}function _createSuper(e){var t=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(e){return!1}}();return function _createSuperInternal(){var r,n=_getPrototypeOf(e);if(t){var i=_getPrototypeOf(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return _possibleConstructorReturn(this,r)}}function _possibleConstructorReturn(e,t){return!t||"object"!==_typeof(t)&&"function"!=typeof t?function _assertThisInitialized(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}function _getPrototypeOf(e){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}var i=function(e){_inherits(MissingDataException,e);var t=_createSuper(MissingDataException);function MissingDataException(e,r){var n;_classCallCheck(this,MissingDataException);(n=t.call(this,"Missing data [".concat(e,", ").concat(r,")"))).begin=e;n.end=r;return n}return MissingDataException}(n.BaseException);t.MissingDataException=i;var o=function(e){_inherits(XRefEntryException,e);var t=_createSuper(XRefEntryException);function XRefEntryException(){_classCallCheck(this,XRefEntryException);return t.apply(this,arguments)}return XRefEntryException}(n.BaseException);t.XRefEntryException=o;var a=function(e){_inherits(XRefParseException,e);var t=_createSuper(XRefParseException);function XRefParseException(){_classCallCheck(this,XRefParseException);return t.apply(this,arguments)}return XRefParseException}(n.BaseException);t.XRefParseException=a;var s=["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM","","X","XX","XXX","XL","L","LX","LXX","LXXX","XC","","I","II","III","IV","V","VI","VII","VIII","IX"]},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.ArithmeticDecoder=void 0;function 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n=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}],i=function(){function 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CCITTFaxDecoder(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(!e||"function"!=typeof e.next)throw new Error('CCITTFaxDecoder - invalid "source" parameter.');this.source=e;this.eof=!1;this.encoding=t.K||0;this.eoline=t.EndOfLine||!1;this.byteAlign=t.EncodedByteAlign||!1;this.columns=t.Columns||1728;this.rows=t.Rows||0;var r,n=t.EndOfBlock;null==n&&(n=!0);this.eoblock=n;this.black=t.BlackIs1||!1;this.codingLine=new Uint32Array(this.columns+1);this.refLine=new Uint32Array(this.columns+2);this.codingLine[0]=this.columns;this.codingPos=0;this.row=0;this.nextLine2D=this.encoding<0;this.inputBits=0;this.inputBuf=0;this.outputBits=0;this.rowsDone=!1;for(;0===(r=this._lookBits(12));)this._eatBits(1);1===r&&this._eatBits(12);if(this.encoding>0){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}}CCITTFaxDecoder.prototype={readNextChar:function readNextChar(){if(this.eof)return-1;var e,t,r,i,o,a=this.refLine,s=this.codingLine,c=this.columns;if(0===this.outputBits){this.rowsDone&&(this.eof=!0);if(this.eof)return-1;this.err=!1;var u,f,l;if(this.nextLine2D){for(i=0;s[i]<c;++i)a[i]=s[i];a[i++]=c;a[i]=c;s[0]=0;this.codingPos=0;e=0;t=0;for(;s[this.codingPos]<c;)switch(u=this._getTwoDimCode()){case 0:this._addPixels(a[e+1],t);a[e+1]<c&&(e+=2);break;case 1:u=f=0;if(t){do{u+=l=this._getBlackCode()}while(l>=64);do{f+=l=this._getWhiteCode()}while(l>=64)}else{do{u+=l=this._getWhiteCode()}while(l>=64);do{f+=l=this._getBlackCode()}while(l>=64)}this._addPixels(s[this.codingPos]+u,t);s[this.codingPos]<c&&this._addPixels(s[this.codingPos]+f,1^t);for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2;break;case 7:this._addPixels(a[e]+3,t);t^=1;if(s[this.codingPos]<c){++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 5:this._addPixels(a[e]+2,t);t^=1;if(s[this.codingPos]<c){++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 3:this._addPixels(a[e]+1,t);t^=1;if(s[this.codingPos]<c){++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 2:this._addPixels(a[e],t);t^=1;if(s[this.codingPos]<c){++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 8:this._addPixelsNeg(a[e]-3,t);t^=1;if(s[this.codingPos]<c){e>0?--e:++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 6:this._addPixelsNeg(a[e]-2,t);t^=1;if(s[this.codingPos]<c){e>0?--e:++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case 4:this._addPixelsNeg(a[e]-1,t);t^=1;if(s[this.codingPos]<c){e>0?--e:++e;for(;a[e]<=s[this.codingPos]&&a[e]<c;)e+=2}break;case-1:this._addPixels(c,0);this.eof=!0;break;default:(0,n.info)("bad 2d code");this._addPixels(c,0);this.err=!0}}else{s[0]=0;this.codingPos=0;t=0;for(;s[this.codingPos]<c;){u=0;if(t)do{u+=l=this._getBlackCode()}while(l>=64);else do{u+=l=this._getWhiteCode()}while(l>=64);this._addPixels(s[this.codingPos]+u,t);t^=1}}var p=!1;this.byteAlign&&(this.inputBits&=-8);if(this.eoblock||this.row!==this.rows-1){u=this._lookBits(12);if(this.eoline)for(;-1!==u&&1!==u;){this._eatBits(1);u=this._lookBits(12)}else for(;0===u;){this._eatBits(1);u=this._lookBits(12)}if(1===u){this._eatBits(12);p=!0}else-1===u&&(this.eof=!0)}else this.rowsDone=!0;if(!this.eof&&this.encoding>0&&!this.rowsDone){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}if(this.eoblock&&p&&this.byteAlign){if(1===(u=this._lookBits(12))){this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}if(this.encoding>=0)for(i=0;i<4;++i){1!==(u=this._lookBits(12))&&(0,n.info)("bad rtc code: "+u);this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}}this.eof=!0}}else if(this.err&&this.eoline){for(;;){if(-1===(u=this._lookBits(13))){this.eof=!0;return-1}if(u>>1==1)break;this._eatBits(1)}this._eatBits(12);if(this.encoding>0){this._eatBits(1);this.nextLine2D=!(1&u)}}s[0]>0?this.outputBits=s[this.codingPos=0]:this.outputBits=s[this.codingPos=1];this.row++}if(this.outputBits>=8){o=1&this.codingPos?0:255;this.outputBits-=8;if(0===this.outputBits&&s[this.codingPos]<c){this.codingPos++;this.outputBits=s[this.codingPos]-s[this.codingPos-1]}}else{r=8;o=0;do{if(this.outputBits>r){o<<=r;1&this.codingPos||(o|=255>>8-r);this.outputBits-=r;r=0}else{o<<=this.outputBits;1&this.codingPos||(o|=255>>8-this.outputBits);r-=this.outputBits;this.outputBits=0;if(s[this.codingPos]<c){this.codingPos++;this.outputBits=s[this.codingPos]-s[this.codingPos-1]}else if(r>0){o<<=r;r=0}}}while(r)}this.black&&(o^=255);return o},_addPixels:function _addPixels(e,t){var r=this.codingLine,i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,n.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}this.codingPos=i},_addPixelsNeg:function _addPixelsNeg(e,t){var r=this.codingLine,i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,n.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}else if(e<r[i]){if(e<0){(0,n.info)("invalid code");this.err=!0;e=0}for(;i>0&&e<r[i-1];)--i;r[i]=e}this.codingPos=i},_findTableCode:function _findTableCode(e,t,r,n){for(var i=n||0,o=e;o<=t;++o){var a=this._lookBits(o);if(-1===a)return[!0,1,!1];o<t&&(a<<=t-o);if(!i||a>=i){var s=r[a-i];if(s[0]===o){this._eatBits(o);return[!0,s[1],!0]}}}return[!1,0,!1]},_getTwoDimCode:function _getTwoDimCode(){var t,r=0;if(this.eoblock){r=this._lookBits(7);if((t=e[r])&&t[0]>0){this._eatBits(t[0]);return t[1]}}else{var i=this._findTableCode(1,7,e);if(i[0]&&i[2])return i[1]}(0,n.info)("Bad two dim code");return-1},_getWhiteCode:function _getWhiteCode(){var e,i=0;if(this.eoblock){if(-1===(i=this._lookBits(12)))return 1;if((e=i>>5==0?t[i]:r[i>>3])[0]>0){this._eatBits(e[0]);return e[1]}}else{var o=this._findTableCode(1,9,r);if(o[0])return o[1];if((o=this._findTableCode(11,12,t))[0])return o[1]}(0,n.info)("bad white code");this._eatBits(1);return 1},_getBlackCode:function _getBlackCode(){var e,t;if(this.eoblock){if(-1===(e=this._lookBits(13)))return 1;if((t=e>>7==0?i[e]:e>>9==0&&e>>7!=0?o[(e>>1)-64]:a[e>>7])[0]>0){this._eatBits(t[0]);return t[1]}}else{var r=this._findTableCode(2,6,a);if(r[0])return r[1];if((r=this._findTableCode(7,12,o,64))[0])return r[1];if((r=this._findTableCode(10,13,i))[0])return r[1]}(0,n.info)("bad black code");this._eatBits(1);return 1},_lookBits:function _lookBits(e){for(var t;this.inputBits<e;){if(-1===(t=this.source.next()))return 0===this.inputBits?-1:this.inputBuf<<e-this.inputBits&65535>>16-e;this.inputBuf=this.inputBuf<<8|t;this.inputBits+=8}return this.inputBuf>>this.inputBits-e&65535>>16-e},_eatBits:function _eatBits(e){(this.inputBits-=e)<0&&(this.inputBits=0)}};return CCITTFaxDecoder}();t.CCITTFaxDecoder=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpegImage=void 0;var n=r(1),i=r(179);function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(e){return typeof e}:function _typeof(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}});t&&_setPrototypeOf(e,t)}function _setPrototypeOf(e,t){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(e,t){e.__proto__=t;return e})(e,t)}function _createSuper(e){var t=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(e){return!1}}();return function _createSuperInternal(){var r,n=_getPrototypeOf(e);if(t){var i=_getPrototypeOf(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return _possibleConstructorReturn(this,r)}}function _possibleConstructorReturn(e,t){return!t||"object"!==_typeof(t)&&"function"!=typeof t?function _assertThisInitialized(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}function _getPrototypeOf(e){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}var o=function(e){_inherits(JpegError,e);var t=_createSuper(JpegError);function JpegError(e){_classCallCheck(this,JpegError);return t.call(this,"JPEG error: ".concat(e))}return JpegError}(n.BaseException),a=function(e){_inherits(DNLMarkerError,e);var t=_createSuper(DNLMarkerError);function DNLMarkerError(e,r){var n;_classCallCheck(this,DNLMarkerError);(n=t.call(this,e)).scanLines=r;return n}return DNLMarkerError}(n.BaseException),s=function(e){_inherits(EOIMarkerError,e);var t=_createSuper(EOIMarkerError);function EOIMarkerError(){_classCallCheck(this,EOIMarkerError);return t.apply(this,arguments)}return EOIMarkerError}(n.BaseException),c=function JpegImageClosure(){var e=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]);function JpegImage(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.decodeTransform,r=void 0===t?null:t,n=e.colorTransform,i=void 0===n?-1:n;this._decodeTransform=r;this._colorTransform=i}function buildHuffmanTable(e,t){for(var r,n,i=0,o=[],a=16;a>0&&!e[a-1];)a--;o.push({children:[],index:0});var s,c=o[0];for(r=0;r<a;r++){for(n=0;n<e[r];n++){(c=o.pop()).children[c.index]=t[i];for(;c.index>0;)c=o.pop();c.index++;o.push(c);for(;o.length<=r;){o.push(s={children:[],index:0});c.children[c.index]=s.children;c=s}i++}if(r+1<a){o.push(s={children:[],index:0});c.children[c.index]=s.children;c=s}}return o[0].children}function getBlockBufferOffset(e,t,r){return 64*((e.blocksPerLine+1)*t+r)}function decodeScan(t,r,c,u,f,l,p,d,h){var g=arguments.length>9&&void 0!==arguments[9]&&arguments[9],v=c.mcusPerLine,m=c.progressive,y=r,b=0,x=0;function readBit(){if(x>0){x--;return b>>x&1}if(255===(b=t[r++])){var e=t[r++];if(e){if(220===e&&g){r+=2;var n=(0,i.readUint16)(t,r);r+=2;if(n>0&&n!==c.scanLines)throw new a("Found DNL marker (0xFFDC) while parsing scan data",n)}else if(217===e){if(g){var u=T*(8===c.precision?8:0);if(u>0&&Math.round(c.scanLines/u)>=10)throw new a("Found EOI marker (0xFFD9) while parsing scan data, possibly caused by incorrect `scanLines` parameter",u)}throw new s("Found EOI marker (0xFFD9) while parsing scan data")}throw new o("unexpected marker ".concat((b<<8|e).toString(16)))}}x=7;return b>>>7}function decodeHuffman(e){for(var t=e;;){switch(_typeof(t=t[readBit()])){case"number":return t;case"object":continue}throw new o("invalid huffman sequence")}}function receive(e){for(var t=0;e>0;){t=t<<1|readBit();e--}return t}function receiveAndExtend(e){if(1===e)return 1===readBit()?1:-1;var t=receive(e);return t>=1<<e-1?t:t+(-1<<e)+1}function decodeBaseline(t,r){var n=decodeHuffman(t.huffmanTableDC),i=0===n?0:receiveAndExtend(n);t.blockData[r]=t.pred+=i;for(var o=1;o<64;){var a=decodeHuffman(t.huffmanTableAC),s=15&a,c=a>>4;if(0!==s){var u=e[o+=c];t.blockData[r+u]=receiveAndExtend(s);o++}else{if(c<15)break;o+=16}}}function decodeDCFirst(e,t){var r=decodeHuffman(e.huffmanTableDC),n=0===r?0:receiveAndExtend(r)<<h;e.blockData[t]=e.pred+=n}function decodeDCSuccessive(e,t){e.blockData[t]|=readBit()<<h}var w=0;function decodeACFirst(t,r){if(w>0)w--;else for(var n=l,i=p;n<=i;){var o=decodeHuffman(t.huffmanTableAC),a=15&o,s=o>>4;if(0!==a){var c=e[n+=s];t.blockData[r+c]=receiveAndExtend(a)*(1<<h);n++}else{if(s<15){w=receive(s)+(1<<s)-1;break}n+=16}}}var S,_=0;function decodeACSuccessive(t,r){for(var n,i,a=l,s=p,c=0;a<=s;){var u=r+e[a],f=t.blockData[u]<0?-1:1;switch(_){case 0:c=(i=decodeHuffman(t.huffmanTableAC))>>4;if(0===(n=15&i))if(c<15){w=receive(c)+(1<<c);_=4}else{c=16;_=1}else{if(1!==n)throw new o("invalid ACn encoding");S=receiveAndExtend(n);_=c?2:3}continue;case 1:case 2:t.blockData[u]?t.blockData[u]+=f*(readBit()<<h):0===--c&&(_=2===_?3:0);break;case 3:if(t.blockData[u])t.blockData[u]+=f*(readBit()<<h);else{t.blockData[u]=S<<h;_=0}break;case 4:t.blockData[u]&&(t.blockData[u]+=f*(readBit()<<h))}a++}4===_&&0===--w&&(_=0)}var T=0;function decodeMcu(e,t,r,n,i){var o=r%v;T=(r/v|0)*e.v+n;var a=o*e.h+i;t(e,getBlockBufferOffset(e,T,a))}function decodeBlock(e,t,r){T=r/e.blocksPerLine|0;var n=r%e.blocksPerLine;t(e,getBlockBufferOffset(e,T,n))}var P,C,k,I,O,E,A=u.length;E=m?0===l?0===d?decodeDCFirst:decodeDCSuccessive:0===d?decodeACFirst:decodeACSuccessive:decodeBaseline;var R,M,D,L,B=0;M=1===A?u[0].blocksPerLine*u[0].blocksPerColumn:v*c.mcusPerColumn;for(;B<=M;){var U=f?Math.min(M-B,f):M;if(U>0){for(C=0;C<A;C++)u[C].pred=0;w=0;if(1===A){P=u[0];for(O=0;O<U;O++){decodeBlock(P,E,B);B++}}else for(O=0;O<U;O++){for(C=0;C<A;C++){D=(P=u[C]).h;L=P.v;for(k=0;k<L;k++)for(I=0;I<D;I++)decodeMcu(P,E,B,k,I)}B++}}x=0;if(!(R=findNextFileMarker(t,r)))break;if(R.invalid){var N=U>0?"unexpected":"excessive";(0,n.warn)("decodeScan - ".concat(N," MCU data, current marker is: ").concat(R.invalid));r=R.offset}if(!(R.marker>=65488&&R.marker<=65495))break;r+=2}return r-y}function quantizeAndInverse(e,t,r){var n,i,a,s,c,u,f,l,p,d,h,g,v,m,y,b,x,w=e.quantizationTable,S=e.blockData;if(!w)throw new o("missing required Quantization Table.");for(var _=0;_<64;_+=8){p=S[t+_];d=S[t+_+1];h=S[t+_+2];g=S[t+_+3];v=S[t+_+4];m=S[t+_+5];y=S[t+_+6];b=S[t+_+7];p*=w[_];if(0!=(d|h|g|v|m|y|b)){d*=w[_+1];h*=w[_+2];g*=w[_+3];v*=w[_+4];m*=w[_+5];i=(n=(n=5793*p+128>>8)+(i=5793*v+128>>8)+1>>1)-i;x=3784*(a=h)+1567*(s=y*=w[_+6])+128>>8;a=1567*a-3784*s+128>>8;f=(c=(c=2896*(d-(b*=w[_+7]))+128>>8)+(f=m<<4)+1>>1)-f;u=(l=(l=2896*(d+b)+128>>8)+(u=g<<4)+1>>1)-u;s=(n=n+(s=x)+1>>1)-s;a=(i=i+a+1>>1)-a;x=2276*c+3406*l+2048>>12;c=3406*c-2276*l+2048>>12;l=x;x=799*u+4017*f+2048>>12;u=4017*u-799*f+2048>>12;f=x;r[_]=n+l;r[_+7]=n-l;r[_+1]=i+f;r[_+6]=i-f;r[_+2]=a+u;r[_+5]=a-u;r[_+3]=s+c;r[_+4]=s-c}else{x=5793*p+512>>10;r[_]=x;r[_+1]=x;r[_+2]=x;r[_+3]=x;r[_+4]=x;r[_+5]=x;r[_+6]=x;r[_+7]=x}}for(var T=0;T<8;++T){p=r[T];if(0!=((d=r[T+8])|(h=r[T+16])|(g=r[T+24])|(v=r[T+32])|(m=r[T+40])|(y=r[T+48])|(b=r[T+56]))){i=(n=4112+((n=5793*p+2048>>12)+(i=5793*v+2048>>12)+1>>1))-i;x=3784*(a=h)+1567*(s=y)+2048>>12;a=1567*a-3784*s+2048>>12;s=x;f=(c=(c=2896*(d-b)+2048>>12)+(f=m)+1>>1)-f;u=(l=(l=2896*(d+b)+2048>>12)+(u=g)+1>>1)-u;x=2276*c+3406*l+2048>>12;c=3406*c-2276*l+2048>>12;l=x;x=799*u+4017*f+2048>>12;u=4017*u-799*f+2048>>12;(p=(n=n+s+1>>1)+l)<16?p=0:p>=4080?p=255:p>>=4;(d=(i=i+a+1>>1)+(f=x))<16?d=0:d>=4080?d=255:d>>=4;(h=(a=i-a)+u)<16?h=0:h>=4080?h=255:h>>=4;(g=(s=n-s)+c)<16?g=0:g>=4080?g=255:g>>=4;(v=s-c)<16?v=0:v>=4080?v=255:v>>=4;(m=a-u)<16?m=0:m>=4080?m=255:m>>=4;(y=i-f)<16?y=0:y>=4080?y=255:y>>=4;(b=n-l)<16?b=0:b>=4080?b=255:b>>=4;S[t+T]=p;S[t+T+8]=d;S[t+T+16]=h;S[t+T+24]=g;S[t+T+32]=v;S[t+T+40]=m;S[t+T+48]=y;S[t+T+56]=b}else{x=(x=5793*p+8192>>14)<-2040?0:x>=2024?255:x+2056>>4;S[t+T]=x;S[t+T+8]=x;S[t+T+16]=x;S[t+T+24]=x;S[t+T+32]=x;S[t+T+40]=x;S[t+T+48]=x;S[t+T+56]=x}}}function buildComponentData(e,t){for(var r=t.blocksPerLine,n=t.blocksPerColumn,i=new Int16Array(64),o=0;o<n;o++)for(var a=0;a<r;a++){quantizeAndInverse(t,getBlockBufferOffset(t,o,a),i)}return t.blockData}function findNextFileMarker(e,t){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,n=e.length-1,o=r<t?r:t;if(t>=n)return null;var a=(0,i.readUint16)(e,t);if(a>=65472&&a<=65534)return{invalid:null,marker:a,offset:t};for(var s=(0,i.readUint16)(e,o);!(s>=65472&&s<=65534);){if(++o>=n)return null;s=(0,i.readUint16)(e,o)}return{invalid:a.toString(16),marker:s,offset:o}}JpegImage.prototype={parse:function parse(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},c=r.dnlScanLines,u=void 0===c?null:c;function readDataBlock(){var e=(0,i.readUint16)(t,p),r=(p+=2)+e-2,o=findNextFileMarker(t,r,p);if(o&&o.invalid){(0,n.warn)("readDataBlock - incorrect length, current marker is: "+o.invalid);r=o.offset}var a=t.subarray(p,r);p+=a.length;return a}function prepareComponents(e){for(var t=Math.ceil(e.samplesPerLine/8/e.maxH),r=Math.ceil(e.scanLines/8/e.maxV),n=0;n<e.components.length;n++){W=e.components[n];var i=Math.ceil(Math.ceil(e.samplesPerLine/8)*W.h/e.maxH),o=Math.ceil(Math.ceil(e.scanLines/8)*W.v/e.maxV),a=t*W.h,s=64*(r*W.v)*(a+1);W.blockData=new Int16Array(s);W.blocksPerLine=i;W.blocksPerColumn=o}e.mcusPerLine=t;e.mcusPerColumn=r}var f,l,p=0,d=null,h=null,g=0,v=[],m=[],y=[],b=(0,i.readUint16)(t,p);p+=2;if(65496!==b)throw new o("SOI not found");b=(0,i.readUint16)(t,p);p+=2;e:for(;65497!==b;){var x,w,S;switch(b){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var _=readDataBlock();65504===b&&74===_[0]&&70===_[1]&&73===_[2]&&70===_[3]&&0===_[4]&&(d={version:{major:_[5],minor:_[6]},densityUnits:_[7],xDensity:_[8]<<8|_[9],yDensity:_[10]<<8|_[11],thumbWidth:_[12],thumbHeight:_[13],thumbData:_.subarray(14,14+3*_[12]*_[13])});65518===b&&65===_[0]&&100===_[1]&&111===_[2]&&98===_[3]&&101===_[4]&&(h={version:_[5]<<8|_[6],flags0:_[7]<<8|_[8],flags1:_[9]<<8|_[10],transformCode:_[11]});break;case 65499:for(var T=(0,i.readUint16)(t,p),P=T+(p+=2)-2;p<P;){var C=t[p++],k=new Uint16Array(64);if(C>>4==0)for(w=0;w<64;w++)k[e[w]]=t[p++];else{if(C>>4!=1)throw new o("DQT - invalid table spec");for(w=0;w<64;w++){k[e[w]]=(0,i.readUint16)(t,p);p+=2}}v[15&C]=k}break;case 65472:case 65473:case 65474:if(f)throw new o("Only single frame JPEGs supported");p+=2;(f={}).extended=65473===b;f.progressive=65474===b;f.precision=t[p++];var I=(0,i.readUint16)(t,p);p+=2;f.scanLines=u||I;f.samplesPerLine=(0,i.readUint16)(t,p);p+=2;f.components=[];f.componentIds={};var O,E=t[p++],A=0,R=0;for(x=0;x<E;x++){O=t[p];var M=t[p+1]>>4,D=15&t[p+1];A<M&&(A=M);R<D&&(R=D);var L=t[p+2];S=f.components.push({h:M,v:D,quantizationId:L,quantizationTable:null});f.componentIds[O]=S-1;p+=3}f.maxH=A;f.maxV=R;prepareComponents(f);break;case 65476:var B=(0,i.readUint16)(t,p);p+=2;for(x=2;x<B;){var U=t[p++],N=new Uint8Array(16),j=0;for(w=0;w<16;w++,p++)j+=N[w]=t[p];var z=new Uint8Array(j);for(w=0;w<j;w++,p++)z[w]=t[p];x+=17+j;(U>>4==0?y:m)[15&U]=buildHuffmanTable(N,z)}break;case 65501:p+=2;l=(0,i.readUint16)(t,p);p+=2;break;case 65498:var H=1==++g&&!u;p+=2;var W,X=t[p++],q=[];for(x=0;x<X;x++){var Y=t[p++],V=f.componentIds[Y];(W=f.components[V]).index=Y;var J=t[p++];W.huffmanTableDC=y[J>>4];W.huffmanTableAC=m[15&J];q.push(W)}var G=t[p++],K=t[p++],Q=t[p++];try{var Z=decodeScan(t,p,f,q,l,G,K,Q>>4,15&Q,H);p+=Z}catch(e){if(e instanceof a){(0,n.warn)("".concat(e.message," -- attempting to re-parse the JPEG image."));return this.parse(t,{dnlScanLines:e.scanLines})}if(e instanceof s){(0,n.warn)("".concat(e.message," -- ignoring the rest of the image data."));break e}throw e}break;case 65500:p+=4;break;case 65535:255!==t[p]&&p--;break;default:var $=findNextFileMarker(t,p-2,p-3);if($&&$.invalid){(0,n.warn)("JpegImage.parse - unexpected data, current marker is: "+$.invalid);p=$.offset;break}if(p>=t.length-1){(0,n.warn)("JpegImage.parse - reached the end of the image data without finding an EOI marker (0xFFD9).");break e}throw new o("JpegImage.parse - unknown marker: "+b.toString(16))}b=(0,i.readUint16)(t,p);p+=2}this.width=f.samplesPerLine;this.height=f.scanLines;this.jfif=d;this.adobe=h;this.components=[];for(x=0;x<f.components.length;x++){var ee=v[(W=f.components[x]).quantizationId];ee&&(W.quantizationTable=ee);this.components.push({index:W.index,output:buildComponentData(0,W),scaleX:W.h/f.maxH,scaleY:W.v/f.maxV,blocksPerLine:W.blocksPerLine,blocksPerColumn:W.blocksPerColumn})}this.numComponents=this.components.length},_getLinearizedBlockData:function _getLinearizedBlockData(e,t){var r,n,i,o,a,s,c,u,f,l,p,d,h=arguments.length>2&&void 0!==arguments[2]&&arguments[2],g=this.width/e,v=this.height/t,m=0,y=this.components.length,b=e*t*y,x=new Uint8ClampedArray(b),w=new Uint32Array(e),S=4294967288;for(c=0;c<y;c++){n=(r=this.components[c]).scaleX*g;i=r.scaleY*v;m=c;p=r.output;o=r.blocksPerLine+1<<3;if(n!==d){for(a=0;a<e;a++){u=0|a*n;w[a]=(u&S)<<3|7&u}d=n}for(s=0;s<t;s++){l=o*((u=0|s*i)&S)|(7&u)<<3;for(a=0;a<e;a++){x[m]=p[l+w[a]];m+=y}}}var _=this._decodeTransform;h||4!==y||_||(_=new Int32Array([-256,255,-256,255,-256,255,-256,255]));if(_)for(c=0;c<b;)for(u=0,f=0;u<y;u++,c++,f+=2)x[c]=(x[c]*_[f]>>8)+_[f+1];return x},get _isColorConversionNeeded(){return this.adobe?!!this.adobe.transformCode:3===this.numComponents?0!==this._colorTransform&&(82!==this.components[0].index||71!==this.components[1].index||66!==this.components[2].index):1===this._colorTransform},_convertYccToRgb:function convertYccToRgb(e){for(var t,r,n,i=0,o=e.length;i<o;i+=3){t=e[i];r=e[i+1];n=e[i+2];e[i]=t-179.456+1.402*n;e[i+1]=t+135.459-.344*r-.714*n;e[i+2]=t-226.816+1.772*r}return e},_convertYcckToRgb:function convertYcckToRgb(e){for(var t,r,n,i,o=0,a=0,s=e.length;a<s;a+=4){t=e[a];r=e[a+1];n=e[a+2];i=e[a+3];e[o++]=r*(-660635669420364e-19*r+.000437130475926232*n-54080610064599e-18*t+.00048449797120281*i-.154362151871126)-122.67195406894+n*(-.000957964378445773*n+.000817076911346625*t-.00477271405408747*i+1.53380253221734)+t*(.000961250184130688*t-.00266257332283933*i+.48357088451265)+i*(-.000336197177618394*i+.484791561490776);e[o++]=107.268039397724+r*(219927104525741e-19*r-.000640992018297945*n+.000659397001245577*t+.000426105652938837*i-.176491792462875)+n*(-.000778269941513683*n+.00130872261408275*t+.000770482631801132*i-.151051492775562)+t*(.00126935368114843*t-.00265090189010898*i+.25802910206845)+i*(-.000318913117588328*i-.213742400323665);e[o++]=r*(-.000570115196973677*r-263409051004589e-19*n+.0020741088115012*t-.00288260236853442*i+.814272968359295)-20.810012546947+n*(-153496057440975e-19*n-.000132689043961446*t+.000560833691242812*i-.195152027534049)+t*(.00174418132927582*t-.00255243321439347*i+.116935020465145)+i*(-.000343531996510555*i+.24165260232407)}return e.subarray(0,o)},_convertYcckToCmyk:function convertYcckToCmyk(e){for(var t,r,n,i=0,o=e.length;i<o;i+=4){t=e[i];r=e[i+1];n=e[i+2];e[i]=434.456-t-1.402*n;e[i+1]=119.541-t+.344*r+.714*n;e[i+2]=481.816-t-1.772*r}return e},_convertCmykToRgb:function convertCmykToRgb(e){for(var t,r,n,i,o=0,a=0,s=e.length;a<s;a+=4){t=e[a];r=e[a+1];n=e[a+2];i=e[a+3];e[o++]=255+t*(-6747147073602441e-20*t+.0008379262121013727*r+.0002894718188643294*n+.003264231057537806*i-1.1185611867203937)+r*(26374107616089405e-21*r-8626949158638572e-20*n-.0002748769067499491*i-.02155688794978967)+n*(-3878099212869363e-20*n-.0003267808279485286*i+.0686742238595345)-i*(.0003361971776183937*i+.7430659151342254);e[o++]=255+t*(.00013596372813588848*t+.000924537132573585*r+.00010567359618683593*n+.0004791864687436512*i-.3109689587515875)+r*(-.00023545346108370344*r+.0002702845253534714*n+.0020200308977307156*i-.7488052167015494)+n*(6834815998235662e-20*n+.00015168452363460973*i-.09751927774728933)-i*(.0003189131175883281*i+.7364883807733168);e[o++]=255+t*(13598650411385307e-21*t+.00012423956175490851*r+.0004751985097583589*n-36729317476630422e-22*i-.05562186980264034)+r*(.00016141380598724676*r+.0009692239130725186*n+.0007782692450036253*i-.44015232367526463)+n*(5.068882914068769e-7*n+.0017778369011375071*i-.7591454649749609)-i*(.0003435319965105553*i+.7063770186160144)}return e.subarray(0,o)},getData:function getData(e){var t=e.width,r=e.height,n=e.forceRGB,i=void 0!==n&&n,a=e.isSourcePDF,s=void 0!==a&&a;if(this.numComponents>4)throw new o("Unsupported color mode");var c=this._getLinearizedBlockData(t,r,s);if(1===this.numComponents&&i){for(var u=c.length,f=new Uint8ClampedArray(3*u),l=0,p=0;p<u;p++){var d=c[p];f[l++]=d;f[l++]=d;f[l++]=d}return f}if(3===this.numComponents&&this._isColorConversionNeeded)return this._convertYccToRgb(c);if(4===this.numComponents){if(this._isColorConversionNeeded)return i?this._convertYcckToRgb(c):this._convertYcckToCmyk(c);if(i)return this._convertCmykToRgb(c)}return c}};return JpegImage}();t.JpegImage=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpxImage=void 0;var n=r(1),i=r(179),o=r(180);function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(e){return typeof e}:function _typeof(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function _setPrototypeOf(e,t){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(e,t){e.__proto__=t;return e})(e,t)}function _createSuper(e){var t=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],(function(){})));return!0}catch(e){return!1}}();return function _createSuperInternal(){var r,n=_getPrototypeOf(e);if(t){var i=_getPrototypeOf(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return _possibleConstructorReturn(this,r)}}function _possibleConstructorReturn(e,t){return!t||"object"!==_typeof(t)&&"function"!=typeof t?function _assertThisInitialized(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}function _getPrototypeOf(e){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}var a=function(e){!function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}});t&&_setPrototypeOf(e,t)}(JpxError,e);var t=_createSuper(JpxError);function JpxError(e){!function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,JpxError);return t.call(this,"JPX error: ".concat(e))}return JpxError}(n.BaseException),s=function JpxImageClosure(){var e={LL:0,LH:1,HL:1,HH:2};function JpxImage(){this.failOnCorruptedImage=!1}JpxImage.prototype={parse:function JpxImage_parse(e){if(65359!==(0,i.readUint16)(e,0))for(var t=0,r=e.length;t<r;){var o=8,s=(0,i.readUint32)(e,t),c=(0,i.readUint32)(e,t+4);t+=o;if(1===s){s=4294967296*(0,i.readUint32)(e,t)+(0,i.readUint32)(e,t+4);t+=8;o+=8}0===s&&(s=r-t+o);if(s<o)throw new a("Invalid box field size");var u=s-o,f=!0;switch(c){case 1785737832:f=!1;break;case 1668246642:var l=e[t];if(1===l){var p=(0,i.readUint32)(e,t+3);switch(p){case 16:case 17:case 18:break;default:(0,n.warn)("Unknown colorspace "+p)}}else 2===l&&(0,n.info)("ICC profile not supported");break;case 1785737827:this.parseCodestream(e,t,t+u);break;case 1783636e3:218793738!==(0,i.readUint32)(e,t)&&(0,n.warn)("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var d=String.fromCharCode(c>>24&255,c>>16&255,c>>8&255,255&c);(0,n.warn)("Unsupported header type "+c+" ("+d+")")}f&&(t+=u)}else this.parseCodestream(e,0,e.length)},parseImageProperties:function JpxImage_parseImageProperties(e){for(var t=e.getByte();t>=0;){if(65361===(t<<8|(t=e.getByte()))){e.skip(4);var r=e.getInt32()>>>0,n=e.getInt32()>>>0,i=e.getInt32()>>>0,o=e.getInt32()>>>0;e.skip(16);var s=e.getUint16();this.width=r-i;this.height=n-o;this.componentsCount=s;this.bitsPerComponent=8;return}}throw new a("No size marker found in JPX stream")},parseCodestream:function JpxImage_parseCodestream(e,t,r){var o={},s=!1;try{for(var c=t;c+1<r;){var u=(0,i.readUint16)(e,c);c+=2;var f,l,p,d,h,g,v=0;switch(u){case 65359:o.mainHeader=!0;break;case 65497:break;case 65361:v=(0,i.readUint16)(e,c);var m={};m.Xsiz=(0,i.readUint32)(e,c+4);m.Ysiz=(0,i.readUint32)(e,c+8);m.XOsiz=(0,i.readUint32)(e,c+12);m.YOsiz=(0,i.readUint32)(e,c+16);m.XTsiz=(0,i.readUint32)(e,c+20);m.YTsiz=(0,i.readUint32)(e,c+24);m.XTOsiz=(0,i.readUint32)(e,c+28);m.YTOsiz=(0,i.readUint32)(e,c+32);var y=(0,i.readUint16)(e,c+36);m.Csiz=y;var b=[];f=c+38;for(var x=0;x<y;x++){var w={precision:1+(127&e[f]),isSigned:!!(128&e[f]),XRsiz:e[f+1],YRsiz:e[f+2]};f+=3;calculateComponentDimensions(w,m);b.push(w)}o.SIZ=m;o.components=b;calculateTileGrids(o,b);o.QCC=[];o.COC=[];break;case 65372:v=(0,i.readUint16)(e,c);var S={};f=c+2;switch(31&(l=e[f++])){case 0:d=8;h=!0;break;case 1:d=16;h=!1;break;case 2:d=16;h=!0;break;default:throw new Error("Invalid SQcd value "+l)}S.noQuantization=8===d;S.scalarExpounded=h;S.guardBits=l>>5;p=[];for(;f<v+c;){var _={};if(8===d){_.epsilon=e[f++]>>3;_.mu=0}else{_.epsilon=e[f]>>3;_.mu=(7&e[f])<<8|e[f+1];f+=2}p.push(_)}S.SPqcds=p;if(o.mainHeader)o.QCD=S;else{o.currentTile.QCD=S;o.currentTile.QCC=[]}break;case 65373:v=(0,i.readUint16)(e,c);var T,P={};f=c+2;if(o.SIZ.Csiz<257)T=e[f++];else{T=(0,i.readUint16)(e,f);f+=2}switch(31&(l=e[f++])){case 0:d=8;h=!0;break;case 1:d=16;h=!1;break;case 2:d=16;h=!0;break;default:throw new Error("Invalid SQcd value "+l)}P.noQuantization=8===d;P.scalarExpounded=h;P.guardBits=l>>5;p=[];for(;f<v+c;){_={};if(8===d){_.epsilon=e[f++]>>3;_.mu=0}else{_.epsilon=e[f]>>3;_.mu=(7&e[f])<<8|e[f+1];f+=2}p.push(_)}P.SPqcds=p;o.mainHeader?o.QCC[T]=P:o.currentTile.QCC[T]=P;break;case 65362:v=(0,i.readUint16)(e,c);var C={};f=c+2;var k=e[f++];C.entropyCoderWithCustomPrecincts=!!(1&k);C.sopMarkerUsed=!!(2&k);C.ephMarkerUsed=!!(4&k);C.progressionOrder=e[f++];C.layersCount=(0,i.readUint16)(e,f);f+=2;C.multipleComponentTransform=e[f++];C.decompositionLevelsCount=e[f++];C.xcb=2+(15&e[f++]);C.ycb=2+(15&e[f++]);var I=e[f++];C.selectiveArithmeticCodingBypass=!!(1&I);C.resetContextProbabilities=!!(2&I);C.terminationOnEachCodingPass=!!(4&I);C.verticallyStripe=!!(8&I);C.predictableTermination=!!(16&I);C.segmentationSymbolUsed=!!(32&I);C.reversibleTransformation=e[f++];if(C.entropyCoderWithCustomPrecincts){for(var O=[];f<v+c;){var E=e[f++];O.push({PPx:15&E,PPy:E>>4})}C.precinctsSizes=O}var A=[];C.selectiveArithmeticCodingBypass&&A.push("selectiveArithmeticCodingBypass");C.resetContextProbabilities&&A.push("resetContextProbabilities");C.terminationOnEachCodingPass&&A.push("terminationOnEachCodingPass");C.verticallyStripe&&A.push("verticallyStripe");C.predictableTermination&&A.push("predictableTermination");if(A.length>0){s=!0;throw new Error("Unsupported COD options ("+A.join(", ")+")")}if(o.mainHeader)o.COD=C;else{o.currentTile.COD=C;o.currentTile.COC=[]}break;case 65424:v=(0,i.readUint16)(e,c);(g={}).index=(0,i.readUint16)(e,c+2);g.length=(0,i.readUint32)(e,c+4);g.dataEnd=g.length+c-2;g.partIndex=e[c+8];g.partsCount=e[c+9];o.mainHeader=!1;if(0===g.partIndex){g.COD=o.COD;g.COC=o.COC.slice(0);g.QCD=o.QCD;g.QCC=o.QCC.slice(0)}o.currentTile=g;break;case 65427:if(0===(g=o.currentTile).partIndex){initializeTile(o,g.index);buildPackets(o)}parseTilePackets(o,e,c,v=g.dataEnd-c);break;case 65365:case 65367:case 65368:case 65380:v=(0,i.readUint16)(e,c);break;case 65363:throw new Error("Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("Unknown codestream code: "+u.toString(16))}c+=v}}catch(e){if(s||this.failOnCorruptedImage)throw new a(e.message);(0,n.warn)("JPX: Trying to recover from: "+e.message)}this.tiles=function transformComponents(e){for(var t=e.SIZ,r=e.components,n=t.Csiz,i=[],o=0,a=e.tiles.length;o<a;o++){var s,c=e.tiles[o],u=[];for(s=0;s<n;s++)u[s]=transformTile(e,c,s);var f,l,p,d,h,g,v,m=u[0],y=new Uint8ClampedArray(m.items.length*n),b={left:m.left,top:m.top,width:m.width,height:m.height,items:y},x=0;if(c.codingStyleDefaultParameters.multipleComponentTransform){var w=4===n,S=u[0].items,_=u[1].items,T=u[2].items,P=w?u[3].items:null;f=r[0].precision-8;l=.5+(128<<f);var C=c.components[0],k=n-3;d=S.length;if(C.codingStyleParameters.reversibleTransformation)for(p=0;p<d;p++,x+=k){h=S[p]+l;g=_[p];v=T[p];var I=h-(v+g>>2);y[x++]=I+v>>f;y[x++]=I>>f;y[x++]=I+g>>f}else for(p=0;p<d;p++,x+=k){h=S[p]+l;g=_[p];v=T[p];y[x++]=h+1.402*v>>f;y[x++]=h-.34413*g-.71414*v>>f;y[x++]=h+1.772*g>>f}if(w)for(p=0,x=3;p<d;p++,x+=4)y[x]=P[p]+l>>f}else for(s=0;s<n;s++){var O=u[s].items;f=r[s].precision-8;l=.5+(128<<f);for(x=s,p=0,d=O.length;p<d;p++){y[x]=O[p]+l>>f;x+=n}}i.push(b)}return i}(o);this.width=o.SIZ.Xsiz-o.SIZ.XOsiz;this.height=o.SIZ.Ysiz-o.SIZ.YOsiz;this.componentsCount=o.SIZ.Csiz}};function calculateComponentDimensions(e,t){e.x0=Math.ceil(t.XOsiz/e.XRsiz);e.x1=Math.ceil(t.Xsiz/e.XRsiz);e.y0=Math.ceil(t.YOsiz/e.YRsiz);e.y1=Math.ceil(t.Ysiz/e.YRsiz);e.width=e.x1-e.x0;e.height=e.y1-e.y0}function calculateTileGrids(e,t){for(var r,n=e.SIZ,i=[],o=Math.ceil((n.Xsiz-n.XTOsiz)/n.XTsiz),a=Math.ceil((n.Ysiz-n.YTOsiz)/n.YTsiz),s=0;s<a;s++)for(var c=0;c<o;c++){(r={}).tx0=Math.max(n.XTOsiz+c*n.XTsiz,n.XOsiz);r.ty0=Math.max(n.YTOsiz+s*n.YTsiz,n.YOsiz);r.tx1=Math.min(n.XTOsiz+(c+1)*n.XTsiz,n.Xsiz);r.ty1=Math.min(n.YTOsiz+(s+1)*n.YTsiz,n.Ysiz);r.width=r.tx1-r.tx0;r.height=r.ty1-r.ty0;r.components=[];i.push(r)}e.tiles=i;for(var u=0,f=n.Csiz;u<f;u++)for(var l=t[u],p=0,d=i.length;p<d;p++){var h={};r=i[p];h.tcx0=Math.ceil(r.tx0/l.XRsiz);h.tcy0=Math.ceil(r.ty0/l.YRsiz);h.tcx1=Math.ceil(r.tx1/l.XRsiz);h.tcy1=Math.ceil(r.ty1/l.YRsiz);h.width=h.tcx1-h.tcx0;h.height=h.tcy1-h.tcy0;r.components[u]=h}}function getBlocksDimensions(e,t,r){var n=t.codingStyleParameters,i={};if(n.entropyCoderWithCustomPrecincts){i.PPx=n.precinctsSizes[r].PPx;i.PPy=n.precinctsSizes[r].PPy}else{i.PPx=15;i.PPy=15}i.xcb_=r>0?Math.min(n.xcb,i.PPx-1):Math.min(n.xcb,i.PPx);i.ycb_=r>0?Math.min(n.ycb,i.PPy-1):Math.min(n.ycb,i.PPy);return i}function buildPrecincts(e,t,r){var n=1<<r.PPx,i=1<<r.PPy,o=0===t.resLevel,a=1<<r.PPx+(o?0:-1),s=1<<r.PPy+(o?0:-1),c=t.trx1>t.trx0?Math.ceil(t.trx1/n)-Math.floor(t.trx0/n):0,u=t.try1>t.try0?Math.ceil(t.try1/i)-Math.floor(t.try0/i):0,f=c*u;t.precinctParameters={precinctWidth:n,precinctHeight:i,numprecinctswide:c,numprecinctshigh:u,numprecincts:f,precinctWidthInSubband:a,precinctHeightInSubband:s}}function buildCodeblocks(e,t,r){var n,i,o,a,s=r.xcb_,c=r.ycb_,u=1<<s,f=1<<c,l=t.tbx0>>s,p=t.tby0>>c,d=t.tbx1+u-1>>s,h=t.tby1+f-1>>c,g=t.resolution.precinctParameters,v=[],m=[];for(i=p;i<h;i++)for(n=l;n<d;n++){(o={cbx:n,cby:i,tbx0:u*n,tby0:f*i,tbx1:u*(n+1),tby1:f*(i+1)}).tbx0_=Math.max(t.tbx0,o.tbx0);o.tby0_=Math.max(t.tby0,o.tby0);o.tbx1_=Math.min(t.tbx1,o.tbx1);o.tby1_=Math.min(t.tby1,o.tby1);a=Math.floor((o.tbx0_-t.tbx0)/g.precinctWidthInSubband)+Math.floor((o.tby0_-t.tby0)/g.precinctHeightInSubband)*g.numprecinctswide;o.precinctNumber=a;o.subbandType=t.type;o.Lblock=3;if(!(o.tbx1_<=o.tbx0_||o.tby1_<=o.tby0_)){v.push(o);var y=m[a];if(void 0!==y){n<y.cbxMin?y.cbxMin=n:n>y.cbxMax&&(y.cbxMax=n);i<y.cbyMin?y.cbxMin=i:i>y.cbyMax&&(y.cbyMax=i)}else m[a]=y={cbxMin:n,cbyMin:i,cbxMax:n,cbyMax:i};o.precinct=y}}t.codeblockParameters={codeblockWidth:s,codeblockHeight:c,numcodeblockwide:d-l+1,numcodeblockhigh:h-p+1};t.codeblocks=v;t.precincts=m}function createPacket(e,t,r){for(var n=[],i=e.subbands,o=0,a=i.length;o<a;o++)for(var s=i[o].codeblocks,c=0,u=s.length;c<u;c++){var f=s[c];f.precinctNumber===t&&n.push(f)}return{layerNumber:r,codeblocks:n}}function LayerResolutionComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=0,c=0;c<o;c++)s=Math.max(s,n.components[c].codingStyleParameters.decompositionLevelsCount);var u=0,f=0,l=0,p=0;this.nextPacket=function JpxImage_nextPacket(){for(;u<i;u++){for(;f<=s;f++){for(;l<o;l++){var e=n.components[l];if(!(f>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[f],r=t.precinctParameters.numprecincts;p<r;){var c=createPacket(t,p,u);p++;return c}p=0}}l=0}f=0}throw new a("Out of packets")}}function ResolutionLayerComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=0,c=0;c<o;c++)s=Math.max(s,n.components[c].codingStyleParameters.decompositionLevelsCount);var u=0,f=0,l=0,p=0;this.nextPacket=function JpxImage_nextPacket(){for(;u<=s;u++){for(;f<i;f++){for(;l<o;l++){var e=n.components[l];if(!(u>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[u],r=t.precinctParameters.numprecincts;p<r;){var c=createPacket(t,p,f);p++;return c}p=0}}l=0}f=0}throw new a("Out of packets")}}function ResolutionPositionComponentLayerIterator(e){var t,r,n,i,o=e.SIZ,s=e.currentTile.index,c=e.tiles[s],u=c.codingStyleDefaultParameters.layersCount,f=o.Csiz,l=0;for(n=0;n<f;n++){var p=c.components[n];l=Math.max(l,p.codingStyleParameters.decompositionLevelsCount)}var d=new Int32Array(l+1);for(r=0;r<=l;++r){var h=0;for(n=0;n<f;++n){var g=c.components[n].resolutions;r<g.length&&(h=Math.max(h,g[r].precinctParameters.numprecincts))}d[r]=h}t=0;r=0;n=0;i=0;this.nextPacket=function JpxImage_nextPacket(){for(;r<=l;r++){for(;i<d[r];i++){for(;n<f;n++){var e=c.components[n];if(!(r>e.codingStyleParameters.decompositionLevelsCount)){var o=e.resolutions[r],s=o.precinctParameters.numprecincts;if(!(i>=s)){for(;t<u;){var p=createPacket(o,i,t);t++;return p}t=0}}}n=0}i=0}throw new a("Out of packets")}}function PositionComponentResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=getPrecinctSizesInImageScale(n),c=s,u=0,f=0,l=0,p=0,d=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<c.maxNumHigh;d++){for(;p<c.maxNumWide;p++){for(;l<o;l++){for(var e=n.components[l],t=e.codingStyleParameters.decompositionLevelsCount;f<=t;f++){var r=e.resolutions[f],h=s.components[l].resolutions[f],g=getPrecinctIndexIfExist(p,d,h,c,r);if(null!==g){for(;u<i;){var v=createPacket(r,g,u);u++;return v}u=0}}f=0}l=0}p=0}throw new a("Out of packets")}}function ComponentPositionResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=getPrecinctSizesInImageScale(n),c=0,u=0,f=0,l=0,p=0;this.nextPacket=function JpxImage_nextPacket(){for(;f<o;++f){for(var e=n.components[f],t=s.components[f],r=e.codingStyleParameters.decompositionLevelsCount;p<t.maxNumHigh;p++){for(;l<t.maxNumWide;l++){for(;u<=r;u++){var d=e.resolutions[u],h=t.resolutions[u],g=getPrecinctIndexIfExist(l,p,h,t,d);if(null!==g){for(;c<i;){var v=createPacket(d,g,c);c++;return v}c=0}}u=0}l=0}p=0}throw new a("Out of packets")}}function getPrecinctIndexIfExist(e,t,r,n,i){var o=e*n.minWidth,a=t*n.minHeight;if(o%r.width!=0||a%r.height!=0)return null;var s=a/r.width*i.precinctParameters.numprecinctswide;return o/r.height+s}function getPrecinctSizesInImageScale(e){for(var t=e.components.length,r=Number.MAX_VALUE,n=Number.MAX_VALUE,i=0,o=0,a=new Array(t),s=0;s<t;s++){for(var c=e.components[s],u=c.codingStyleParameters.decompositionLevelsCount,f=new Array(u+1),l=Number.MAX_VALUE,p=Number.MAX_VALUE,d=0,h=0,g=1,v=u;v>=0;--v){var m=c.resolutions[v],y=g*m.precinctParameters.precinctWidth,b=g*m.precinctParameters.precinctHeight;l=Math.min(l,y);p=Math.min(p,b);d=Math.max(d,m.precinctParameters.numprecinctswide);h=Math.max(h,m.precinctParameters.numprecinctshigh);f[v]={width:y,height:b};g<<=1}r=Math.min(r,l);n=Math.min(n,p);i=Math.max(i,d);o=Math.max(o,h);a[s]={resolutions:f,minWidth:l,minHeight:p,maxNumWide:d,maxNumHigh:h}}return{components:a,minWidth:r,minHeight:n,maxNumWide:i,maxNumHigh:o}}function buildPackets(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=t.Csiz,o=0;o<i;o++){for(var s=n.components[o],c=s.codingStyleParameters.decompositionLevelsCount,u=[],f=[],l=0;l<=c;l++){var p,d=getBlocksDimensions(0,s,l),h={},g=1<<c-l;h.trx0=Math.ceil(s.tcx0/g);h.try0=Math.ceil(s.tcy0/g);h.trx1=Math.ceil(s.tcx1/g);h.try1=Math.ceil(s.tcy1/g);h.resLevel=l;buildPrecincts(0,h,d);u.push(h);if(0===l){(p={}).type="LL";p.tbx0=Math.ceil(s.tcx0/g);p.tby0=Math.ceil(s.tcy0/g);p.tbx1=Math.ceil(s.tcx1/g);p.tby1=Math.ceil(s.tcy1/g);p.resolution=h;buildCodeblocks(0,p,d);f.push(p);h.subbands=[p]}else{var v=1<<c-l+1,m=[];(p={}).type="HL";p.tbx0=Math.ceil(s.tcx0/v-.5);p.tby0=Math.ceil(s.tcy0/v);p.tbx1=Math.ceil(s.tcx1/v-.5);p.tby1=Math.ceil(s.tcy1/v);p.resolution=h;buildCodeblocks(0,p,d);f.push(p);m.push(p);(p={}).type="LH";p.tbx0=Math.ceil(s.tcx0/v);p.tby0=Math.ceil(s.tcy0/v-.5);p.tbx1=Math.ceil(s.tcx1/v);p.tby1=Math.ceil(s.tcy1/v-.5);p.resolution=h;buildCodeblocks(0,p,d);f.push(p);m.push(p);(p={}).type="HH";p.tbx0=Math.ceil(s.tcx0/v-.5);p.tby0=Math.ceil(s.tcy0/v-.5);p.tbx1=Math.ceil(s.tcx1/v-.5);p.tby1=Math.ceil(s.tcy1/v-.5);p.resolution=h;buildCodeblocks(0,p,d);f.push(p);m.push(p);h.subbands=m}}s.resolutions=u;s.subbands=f}var y=n.codingStyleDefaultParameters.progressionOrder;switch(y){case 0:n.packetsIterator=new LayerResolutionComponentPositionIterator(e);break;case 1:n.packetsIterator=new ResolutionLayerComponentPositionIterator(e);break;case 2:n.packetsIterator=new ResolutionPositionComponentLayerIterator(e);break;case 3:n.packetsIterator=new PositionComponentResolutionLayerIterator(e);break;case 4:n.packetsIterator=new ComponentPositionResolutionLayerIterator(e);break;default:throw new a("Unsupported progression order ".concat(y))}}function parseTilePackets(e,n,o,a){var s,c=0,u=0,f=!1;function readBits(e){for(;u<e;){var t=n[o+c];c++;if(f){s=s<<7|t;u+=7;f=!1}else{s=s<<8|t;u+=8}255===t&&(f=!0)}return s>>>(u-=e)&(1<<e)-1}function skipMarkerIfEqual(e){if(255===n[o+c-1]&&n[o+c]===e){skipBytes(1);return!0}if(255===n[o+c]&&n[o+c+1]===e){skipBytes(2);return!0}return!1}function skipBytes(e){c+=e}function alignToByte(){u=0;if(f){c++;f=!1}}function readCodingpasses(){if(0===readBits(1))return 1;if(0===readBits(1))return 2;var e=readBits(2);return e<3?e+3:(e=readBits(5))<31?e+6:(e=readBits(7))+37}for(var l=e.currentTile.index,p=e.tiles[l],d=e.COD.sopMarkerUsed,h=e.COD.ephMarkerUsed,g=p.packetsIterator;c<a;){alignToByte();d&&skipMarkerIfEqual(145)&&skipBytes(4);var v=g.nextPacket();if(readBits(1)){for(var m,y=v.layerNumber,b=[],x=0,w=v.codeblocks.length;x<w;x++){var S=(m=v.codeblocks[x]).precinct,_=m.cbx-S.cbxMin,T=m.cby-S.cbyMin,P=!1,C=!1;if(void 0!==m.included)P=!!readBits(1);else{var k,I;if(void 0!==(S=m.precinct).inclusionTree)k=S.inclusionTree;else{var O=S.cbxMax-S.cbxMin+1,E=S.cbyMax-S.cbyMin+1;k=new r(O,E,y);I=new t(O,E);S.inclusionTree=k;S.zeroBitPlanesTree=I}if(k.reset(_,T,y))for(;;){if(!readBits(1)){k.incrementValue(y);break}if(!k.nextLevel()){m.included=!0;P=C=!0;break}}}if(P){if(C){(I=S.zeroBitPlanesTree).reset(_,T);for(;;)if(readBits(1)){if(!I.nextLevel())break}else I.incrementValue();m.zeroBitPlanes=I.value}for(var A=readCodingpasses();readBits(1);)m.Lblock++;var R=(0,i.log2)(A),M=readBits((A<1<<R?R-1:R)+m.Lblock);b.push({codeblock:m,codingpasses:A,dataLength:M})}}alignToByte();h&&skipMarkerIfEqual(146);for(;b.length>0;){var D=b.shift();void 0===(m=D.codeblock).data&&(m.data=[]);m.data.push({data:n,start:o+c,end:o+c+D.dataLength,codingpasses:D.codingpasses});c+=D.dataLength}}}return c}function copyCoefficients(e,t,r,n,i,a,c,u){for(var f=n.tbx0,l=n.tby0,p=n.tbx1-n.tbx0,d=n.codeblocks,h="H"===n.type.charAt(0)?1:0,g="H"===n.type.charAt(1)?t:0,v=0,m=d.length;v<m;++v){var y=d[v],b=y.tbx1_-y.tbx0_,x=y.tby1_-y.tby0_;if(0!==b&&0!==x&&void 0!==y.data){var w,S;w=new s(b,x,y.subbandType,y.zeroBitPlanes,a);S=2;var _,T,P,C=y.data,k=0,I=0;for(_=0,T=C.length;_<T;_++){k+=(P=C[_]).end-P.start;I+=P.codingpasses}var O=new Uint8Array(k),E=0;for(_=0,T=C.length;_<T;_++){var A=(P=C[_]).data.subarray(P.start,P.end);O.set(A,E);E+=A.length}var R=new o.ArithmeticDecoder(O,0,k);w.setDecoder(R);for(_=0;_<I;_++){switch(S){case 0:w.runSignificancePropagationPass();break;case 1:w.runMagnitudeRefinementPass();break;case 2:w.runCleanupPass();u&&w.checkSegmentationSymbol()}S=(S+1)%3}var M,D,L,B=y.tbx0_-f+(y.tby0_-l)*p,U=w.coefficentsSign,N=w.coefficentsMagnitude,j=w.bitsDecoded,z=c?0:.5;E=0;var H="LL"!==n.type;for(_=0;_<x;_++){var W=2*(B/p|0)*(t-p)+h+g;for(M=0;M<b;M++){if(0!==(D=N[E])){D=(D+z)*i;0!==U[E]&&(D=-D);L=j[E];var X=H?W+(B<<1):B;e[X]=c&&L>=a?D:D*(1<<a-L)}B++;E++}B+=p-b}}}}function transformTile(t,r,n){for(var i=r.components[n],o=i.codingStyleParameters,a=i.quantizationParameters,s=o.decompositionLevelsCount,c=a.SPqcds,l=a.scalarExpounded,p=a.guardBits,d=o.segmentationSymbolUsed,h=t.components[n].precision,g=o.reversibleTransformation,v=g?new f:new u,m=[],y=0,b=0;b<=s;b++){for(var x=i.resolutions[b],w=x.trx1-x.trx0,S=x.try1-x.try0,_=new Float32Array(w*S),T=0,P=x.subbands.length;T<P;T++){var C,k;if(l){C=c[y].mu;k=c[y].epsilon;y++}else{C=c[0].mu;k=c[0].epsilon+(b>0?1-b:0)}var I=x.subbands[T],O=e[I.type];copyCoefficients(_,w,0,I,g?1:Math.pow(2,h+O-k)*(1+C/2048),p+k-1,g,d)}m.push({width:w,height:S,items:_})}var E=v.calculate(m,i.tcx0,i.tcy0);return{left:i.tcx0,top:i.tcy0,width:E.width,height:E.height,items:E.items}}function initializeTile(e,t){for(var r=e.SIZ.Csiz,n=e.tiles[t],i=0;i<r;i++){var o=n.components[i],a=void 0!==e.currentTile.QCC[i]?e.currentTile.QCC[i]:e.currentTile.QCD;o.quantizationParameters=a;var s=void 0!==e.currentTile.COC[i]?e.currentTile.COC[i]:e.currentTile.COD;o.codingStyleParameters=s}n.codingStyleDefaultParameters=e.currentTile.COD}var t=function TagTreeClosure(){function TagTree(e,t){var r=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var n=0;n<r;n++){var o={width:e,height:t,items:[]};this.levels.push(o);e=Math.ceil(e/2);t=Math.ceil(t/2)}}TagTree.prototype={reset:function TagTree_reset(e,t){for(var r,n=0,i=0;n<this.levels.length;){var o=e+t*(r=this.levels[n]).width;if(void 0!==r.items[o]){i=r.items[o];break}r.index=o;e>>=1;t>>=1;n++}n--;(r=this.levels[n]).items[r.index]=i;this.currentLevel=n;delete this.value},incrementValue:function TagTree_incrementValue(){var e=this.levels[this.currentLevel];e.items[e.index]++},nextLevel:function TagTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];if(--e<0){this.value=r;return!1}this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return TagTree}(),r=function InclusionTreeClosure(){function InclusionTree(e,t,r){var n=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var o=0;o<n;o++){for(var a=new Uint8Array(e*t),s=0,c=a.length;s<c;s++)a[s]=r;var u={width:e,height:t,items:a};this.levels.push(u);e=Math.ceil(e/2);t=Math.ceil(t/2)}}InclusionTree.prototype={reset:function InclusionTree_reset(e,t,r){for(var n=0;n<this.levels.length;){var i=this.levels[n],o=e+t*i.width;i.index=o;var a=i.items[o];if(255===a)break;if(a>r){this.currentLevel=n;this.propagateValues();return!1}e>>=1;t>>=1;n++}this.currentLevel=n-1;return!0},incrementValue:function InclusionTree_incrementValue(e){var t=this.levels[this.currentLevel];t.items[t.index]=e+1;this.propagateValues()},propagateValues:function InclusionTree_propagateValues(){for(var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];--e>=0;)(t=this.levels[e]).items[t.index]=r},nextLevel:function InclusionTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];t.items[t.index]=255;if(--e<0)return!1;this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return InclusionTree}(),s=function BitModelClosure(){var e=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),t=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),r=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);function BitModel(n,i,o,a,s){this.width=n;this.height=i;var c;c="HH"===o?r:"HL"===o?t:e;this.contextLabelTable=c;var u,f=n*i;this.neighborsSignificance=new Uint8Array(f);this.coefficentsSign=new Uint8Array(f);u=s>14?new Uint32Array(f):s>6?new Uint16Array(f):new Uint8Array(f);this.coefficentsMagnitude=u;this.processingFlags=new Uint8Array(f);var l=new Uint8Array(f);if(0!==a)for(var p=0;p<f;p++)l[p]=a;this.bitsDecoded=l;this.reset()}BitModel.prototype={setDecoder:function BitModel_setDecoder(e){this.decoder=e},reset:function BitModel_reset(){this.contexts=new Int8Array(19);this.contexts[0]=8;this.contexts[17]=92;this.contexts[18]=6},setNeighborsSignificance:function BitModel_setNeighborsSignificance(e,t,r){var n,i=this.neighborsSignificance,o=this.width,a=this.height,s=t>0,c=t+1<o;if(e>0){n=r-o;s&&(i[n-1]+=16);c&&(i[n+1]+=16);i[n]+=4}if(e+1<a){n=r+o;s&&(i[n-1]+=16);c&&(i[n+1]+=16);i[n]+=4}s&&(i[r-1]+=1);c&&(i[r+1]+=1);i[r]|=128},runSignificancePropagationPass:function BitModel_runSignificancePropagationPass(){for(var e=this.decoder,t=this.width,r=this.height,n=this.coefficentsMagnitude,i=this.coefficentsSign,o=this.neighborsSignificance,a=this.processingFlags,s=this.contexts,c=this.contextLabelTable,u=this.bitsDecoded,f=0;f<r;f+=4)for(var l=0;l<t;l++)for(var p=f*t+l,d=0;d<4;d++,p+=t){var h=f+d;if(h>=r)break;a[p]&=-2;if(!n[p]&&o[p]){var g=c[o[p]];if(e.readBit(s,g)){var v=this.decodeSignBit(h,l,p);i[p]=v;n[p]=1;this.setNeighborsSignificance(h,l,p);a[p]|=2}u[p]++;a[p]|=1}}},decodeSignBit:function BitModel_decodeSignBit(e,t,r){var n,i,o,a,s,c,u=this.width,f=this.height,l=this.coefficentsMagnitude,p=this.coefficentsSign;a=t>0&&0!==l[r-1];if(t+1<u&&0!==l[r+1]){o=p[r+1];n=a?1-o-(i=p[r-1]):1-o-o}else n=a?1-(i=p[r-1])-i:0;var d=3*n;a=e>0&&0!==l[r-u];if(e+1<f&&0!==l[r+u]){o=p[r+u];n=a?1-o-(i=p[r-u])+d:1-o-o+d}else n=a?1-(i=p[r-u])-i+d:d;if(n>=0){s=9+n;c=this.decoder.readBit(this.contexts,s)}else{s=9-n;c=1^this.decoder.readBit(this.contexts,s)}return c},runMagnitudeRefinementPass:function BitModel_runMagnitudeRefinementPass(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.coefficentsMagnitude,o=this.neighborsSignificance,a=this.contexts,s=this.bitsDecoded,c=this.processingFlags,u=r*n,f=4*r,l=0;l<u;l=e){e=Math.min(u,l+f);for(var p=0;p<r;p++)for(var d=l+p;d<e;d+=r)if(i[d]&&0==(1&c[d])){var h=16;if(0!=(2&c[d])){c[d]^=2;h=0===(127&o[d])?15:14}var g=t.readBit(a,h);i[d]=i[d]<<1|g;s[d]++;c[d]|=1}}},runCleanupPass:function BitModel_runCleanupPass(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.neighborsSignificance,o=this.coefficentsMagnitude,a=this.coefficentsSign,s=this.contexts,c=this.contextLabelTable,u=this.bitsDecoded,f=this.processingFlags,l=r,p=2*r,d=3*r,h=0;h<n;h=e){e=Math.min(h+4,n);for(var g=h*r,v=h+3<n,m=0;m<r;m++){var y,b=g+m,x=0,w=b,S=h;if(v&&0===f[b]&&0===f[b+l]&&0===f[b+p]&&0===f[b+d]&&0===i[b]&&0===i[b+l]&&0===i[b+p]&&0===i[b+d]){if(!t.readBit(s,18)){u[b]++;u[b+l]++;u[b+p]++;u[b+d]++;continue}if(0!==(x=t.readBit(s,17)<<1|t.readBit(s,17))){S=h+x;w+=x*r}y=this.decodeSignBit(S,m,w);a[w]=y;o[w]=1;this.setNeighborsSignificance(S,m,w);f[w]|=2;w=b;for(var _=h;_<=S;_++,w+=r)u[w]++;x++}for(S=h+x;S<e;S++,w+=r)if(!o[w]&&0==(1&f[w])){var T=c[i[w]];if(1===t.readBit(s,T)){y=this.decodeSignBit(S,m,w);a[w]=y;o[w]=1;this.setNeighborsSignificance(S,m,w);f[w]|=2}u[w]++}}}},checkSegmentationSymbol:function BitModel_checkSegmentationSymbol(){var 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m=16,y=[];for(i=0;i<m;i++)y.push(new Float32Array(h+8));var b,x=0;e=4+h;if(1===h){if(0!=(1&n))for(c=0;c<d;c++)g[c]*=.5}else for(c=0;c<d;c++){if(0===x){m=Math.min(d-c,m);for(a=c,s=4;s<e;a+=d,s++)for(b=0;b<m;b++)y[b][s]=g[a+b];x=m}var w=y[--x];this.extend(w,4,h);this.filter(w,4,h);if(0===x){a=c-m+1;for(s=4;s<e;a+=d,s++)for(b=0;b<m;b++)g[a+b]=y[b][s]}}return{width:d,height:h,items:g}};return Transform}(),u=function IrreversibleTransformClosure(){function IrreversibleTransform(){c.call(this)}IrreversibleTransform.prototype=Object.create(c.prototype);IrreversibleTransform.prototype.filter=function irreversibleTransformFilter(e,t,r){var n,i,o,a,s=r>>1,c=-1.586134342059924,u=-.052980118572961,f=.882911075530934,l=.443506852043971,p=1.230174104914001;n=(t|=0)-3;for(i=s+4;i--;n+=2)e[n]*=.8128930661159609;o=l*e[(n=t-2)-1];for(i=s+3;i--;n+=2){a=l*e[n+1];e[n]=p*e[n]-o-a;if(!i--)break;o=l*e[(n+=2)+1];e[n]=p*e[n]-o-a}o=f*e[(n=t-1)-1];for(i=s+2;i--;n+=2){a=f*e[n+1];e[n]-=o+a;if(!i--)break;o=f*e[(n+=2)+1];e[n]-=o+a}o=u*e[(n=t)-1];for(i=s+1;i--;n+=2){a=u*e[n+1];e[n]-=o+a;if(!i--)break;o=u*e[(n+=2)+1];e[n]-=o+a}if(0!==s){o=c*e[(n=t+1)-1];for(i=s;i--;n+=2){a=c*e[n+1];e[n]-=o+a;if(!i--)break;o=c*e[(n+=2)+1];e[n]-=o+a}}};return IrreversibleTransform}(),f=function ReversibleTransformClosure(){function ReversibleTransform(){c.call(this)}ReversibleTransform.prototype=Object.create(c.prototype);ReversibleTransform.prototype.filter=function reversibleTransformFilter(e,t,r){var n,i,o=r>>1;for(n=t|=0,i=o+1;i--;n+=2)e[n]-=e[n-1]+e[n+1]+2>>2;for(n=t+1,i=o;i--;n+=2)e[n]+=e[n-1]+e[n+1]>>1};return ReversibleTransform}();return JpxImage}();t.JpxImage=s}])}));
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-check.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-check.svg
new file mode 100644
index 00000000..71cd16df
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-check.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <path
+     d="M 1.5006714,23.536225 6.8925879,18.994244 14.585721,26.037937 34.019683,4.5410479 38.499329,9.2235032 14.585721,35.458952 z"
+     id="path4"
+     style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.25402856;stroke-opacity:1" />
+</svg>
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-comment.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-comment.svg
new file mode 100644
index 00000000..86f1f172
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-comment.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   height="40"
+   width="40"
+   viewBox="0 0 40 40">
+  <rect
+     style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+     width="33.76017"
+     height="33.76017"
+     x="3.119915"
+     y="3.119915" />
+  <path
+     d="m 20.677967,8.54499 c -7.342801,0 -13.295293,4.954293 -13.295293,11.065751 0,2.088793 0.3647173,3.484376 1.575539,5.150563 L 6.0267418,31.45501 13.560595,29.011117 c 2.221262,1.387962 4.125932,1.665377 7.117372,1.665377 7.3428,0 13.295291,-4.954295 13.295291,-11.065753 0,-6.111458 -5.952491,-11.065751 -13.295291,-11.065751 z"
+     style="fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.93031836;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"/>
+</svg>
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-help.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-help.svg
new file mode 100644
index 00000000..00938fef
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-help.svg
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
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+   height="40"
+   viewBox="0 0 40 40">
+  <g
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+     id="layer1">
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new file mode 100644
index 00000000..519ef682
--- /dev/null
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64">
+  <path
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+</svg>
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new file mode 100644
index 00000000..8d09d537
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+   height="64"
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new file mode 100644
index 00000000..38d2497d
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-newparagraph.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64">
+  <path
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+</svg>
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-noicon.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-noicon.svg
new file mode 100644
index 00000000..c07d1080
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@@ -0,0 +1,7 @@
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+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+</svg>
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-note.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-note.svg
new file mode 100644
index 00000000..70173651
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-note.svg
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <rect
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+     height="31.096582"
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+     id="rect4"
+     style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.23004246;stroke-opacity:1" />
+  <rect
+     width="27.96859"
+     height="1.5012145"
+     x="6.0157046"
+     y="10.285"
+     id="rect6"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
+     width="27.96859"
+     height="0.85783684"
+     x="6.0157056"
+     y="23.21689"
+     id="rect8"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
+     width="27.96859"
+     height="0.85783684"
+     x="5.8130345"
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+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
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+     id="rect12"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+</svg>
diff --git a/node_modules/pdfjs-dist/es5/web/images/annotation-paragraph.svg b/node_modules/pdfjs-dist/es5/web/images/annotation-paragraph.svg
new file mode 100644
index 00000000..6ae5212b
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/images/annotation-paragraph.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <rect
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new file mode 100644
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@@ -0,0 +1,406 @@
+/* Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.textLayer {
+  position: absolute;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  overflow: hidden;
+  opacity: 0.2;
+  line-height: 1;
+}
+
+.textLayer > span {
+  color: transparent;
+  position: absolute;
+  white-space: pre;
+  cursor: text;
+  transform-origin: 0% 0%;
+}
+
+.textLayer .highlight {
+  margin: -1px;
+  padding: 1px;
+  background-color: rgba(180, 0, 170, 1);
+  border-radius: 4px;
+}
+
+.textLayer .highlight.begin {
+  border-radius: 4px 0px 0px 4px;
+}
+
+.textLayer .highlight.end {
+  border-radius: 0px 4px 4px 0px;
+}
+
+.textLayer .highlight.middle {
+  border-radius: 0px;
+}
+
+.textLayer .highlight.selected {
+  background-color: rgba(0, 100, 0, 1);
+}
+
+.textLayer ::-moz-selection {
+  background: rgba(0, 0, 255, 1);
+}
+
+.textLayer ::selection {
+  background: rgba(0, 0, 255, 1);
+}
+
+.textLayer .endOfContent {
+  display: block;
+  position: absolute;
+  left: 0px;
+  top: 100%;
+  right: 0px;
+  bottom: 0px;
+  z-index: -1;
+  cursor: default;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+}
+
+.textLayer .endOfContent.active {
+  top: 0px;
+}
+
+
+.annotationLayer section {
+  position: absolute;
+}
+
+.annotationLayer .linkAnnotation > a,
+.annotationLayer .buttonWidgetAnnotation.pushButton > a {
+  position: absolute;
+  font-size: 1em;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.annotationLayer .linkAnnotation > a:hover,
+.annotationLayer .buttonWidgetAnnotation.pushButton > a:hover {
+  opacity: 0.2;
+  background: rgba(255, 255, 0, 1);
+  box-shadow: 0px 2px 10px rgba(255, 255, 0, 1);
+}
+
+.annotationLayer .textAnnotation img {
+  position: absolute;
+  cursor: pointer;
+}
+
+.annotationLayer .textWidgetAnnotation input,
+.annotationLayer .textWidgetAnnotation textarea,
+.annotationLayer .choiceWidgetAnnotation select,
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  background-color: rgba(0, 54, 255, 0.13);
+  border: 1px solid transparent;
+  box-sizing: border-box;
+  font-size: 9px;
+  height: 100%;
+  margin: 0;
+  padding: 0 3px;
+  vertical-align: top;
+  width: 100%;
+}
+
+.annotationLayer .choiceWidgetAnnotation select option {
+  padding: 0;
+}
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  border-radius: 50%;
+}
+
+.annotationLayer .textWidgetAnnotation textarea {
+  font: message-box;
+  font-size: 9px;
+  resize: none;
+}
+
+.annotationLayer .textWidgetAnnotation input[disabled],
+.annotationLayer .textWidgetAnnotation textarea[disabled],
+.annotationLayer .choiceWidgetAnnotation select[disabled],
+.annotationLayer .buttonWidgetAnnotation.checkBox input[disabled],
+.annotationLayer .buttonWidgetAnnotation.radioButton input[disabled] {
+  background: none;
+  border: 1px solid transparent;
+  cursor: not-allowed;
+}
+
+.annotationLayer .textWidgetAnnotation input:hover,
+.annotationLayer .textWidgetAnnotation textarea:hover,
+.annotationLayer .choiceWidgetAnnotation select:hover,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:hover,
+.annotationLayer .buttonWidgetAnnotation.radioButton input:hover {
+  border: 1px solid rgba(0, 0, 0, 1);
+}
+
+.annotationLayer .textWidgetAnnotation input:focus,
+.annotationLayer .textWidgetAnnotation textarea:focus,
+.annotationLayer .choiceWidgetAnnotation select:focus {
+  background: none;
+  border: 1px solid transparent;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after,
+.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before {
+  background-color: rgba(0, 0, 0, 1);
+  content: "";
+  display: block;
+  position: absolute;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after {
+  height: 80%;
+  left: 45%;
+  width: 1px;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before {
+  transform: rotate(45deg);
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after {
+  transform: rotate(-45deg);
+}
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before {
+  border-radius: 50%;
+  height: 50%;
+  left: 30%;
+  top: 20%;
+  width: 50%;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb {
+  font-family: monospace;
+  padding-left: 2px;
+  padding-right: 0;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb:focus {
+  /*
+   * Letter spacing is placed on the right side of each character. Hence, the
+   * letter spacing of the last character may be placed outside the visible
+   * area, causing horizontal scrolling. We avoid this by extending the width
+   * when the element has focus and revert this when it loses focus.
+   */
+  width: 115%;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none;
+  padding: 0;
+}
+
+.annotationLayer .popupWrapper {
+  position: absolute;
+  width: 20em;
+}
+
+.annotationLayer .popup {
+  position: absolute;
+  z-index: 200;
+  max-width: 20em;
+  background-color: rgba(255, 255, 153, 1);
+  box-shadow: 0px 2px 5px rgba(136, 136, 136, 1);
+  border-radius: 2px;
+  padding: 6px;
+  margin-left: 5px;
+  cursor: pointer;
+  font: message-box;
+  font-size: 9px;
+  word-wrap: break-word;
+}
+
+.annotationLayer .popup > * {
+  font-size: 9px;
+}
+
+.annotationLayer .popup h1 {
+  display: inline-block;
+}
+
+.annotationLayer .popup span {
+  display: inline-block;
+  margin-left: 5px;
+}
+
+.annotationLayer .popup p {
+  border-top: 1px solid rgba(51, 51, 51, 1);
+  margin-top: 2px;
+  padding-top: 2px;
+}
+
+.annotationLayer .highlightAnnotation,
+.annotationLayer .underlineAnnotation,
+.annotationLayer .squigglyAnnotation,
+.annotationLayer .strikeoutAnnotation,
+.annotationLayer .freeTextAnnotation,
+.annotationLayer .lineAnnotation svg line,
+.annotationLayer .squareAnnotation svg rect,
+.annotationLayer .circleAnnotation svg ellipse,
+.annotationLayer .polylineAnnotation svg polyline,
+.annotationLayer .polygonAnnotation svg polygon,
+.annotationLayer .caretAnnotation,
+.annotationLayer .inkAnnotation svg polyline,
+.annotationLayer .stampAnnotation,
+.annotationLayer .fileAttachmentAnnotation {
+  cursor: pointer;
+}
+
+.pdfViewer .canvasWrapper {
+  overflow: hidden;
+}
+
+.pdfViewer .page {
+  direction: ltr;
+  width: 816px;
+  height: 1056px;
+  margin: 1px auto -8px auto;
+  position: relative;
+  overflow: visible;
+  border: 9px solid transparent;
+  background-clip: content-box;
+  -o-border-image: url(images/shadow.png) 9 9 repeat;
+     border-image: url(images/shadow.png) 9 9 repeat;
+  background-color: rgba(255, 255, 255, 1);
+}
+
+.pdfViewer.removePageBorders .page {
+  margin: 0px auto 10px auto;
+  border: none;
+}
+
+.pdfViewer.singlePageView {
+  display: inline-block;
+}
+
+.pdfViewer.singlePageView .page {
+  margin: 0;
+  border: none;
+}
+
+.pdfViewer.scrollHorizontal,
+.pdfViewer.scrollWrapped,
+.spread {
+  margin-left: 3.5px;
+  margin-right: 3.5px;
+  text-align: center;
+}
+
+.pdfViewer.scrollHorizontal,
+.spread {
+  white-space: nowrap;
+}
+
+.pdfViewer.removePageBorders,
+.pdfViewer.scrollHorizontal .spread,
+.pdfViewer.scrollWrapped .spread {
+  margin-left: 0;
+  margin-right: 0;
+}
+
+.spread .page,
+.pdfViewer.scrollHorizontal .page,
+.pdfViewer.scrollWrapped .page,
+.pdfViewer.scrollHorizontal .spread,
+.pdfViewer.scrollWrapped .spread {
+  display: inline-block;
+  vertical-align: middle;
+}
+
+.spread .page,
+.pdfViewer.scrollHorizontal .page,
+.pdfViewer.scrollWrapped .page {
+  margin-left: -3.5px;
+  margin-right: -3.5px;
+}
+
+.pdfViewer.removePageBorders .spread .page,
+.pdfViewer.removePageBorders.scrollHorizontal .page,
+.pdfViewer.removePageBorders.scrollWrapped .page {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+.pdfViewer .page canvas {
+  margin: 0;
+  display: block;
+}
+
+.pdfViewer .page canvas[hidden] {
+  display: none;
+}
+
+.pdfViewer .page .loadingIcon {
+  position: absolute;
+  display: block;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  background: url("images/loading-icon.gif") center no-repeat;
+}
+
+.pdfPresentationMode .pdfViewer {
+  margin-left: 0;
+  margin-right: 0;
+}
+
+.pdfPresentationMode .pdfViewer .page,
+.pdfPresentationMode .pdfViewer .spread {
+  display: block;
+}
+
+.pdfPresentationMode .pdfViewer .page,
+.pdfPresentationMode .pdfViewer.removePageBorders .page {
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.pdfPresentationMode:-ms-fullscreen .pdfViewer .page {
+  margin-bottom: 100% !important;
+}
+
+.pdfPresentationMode:-webkit-full-screen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
+
+.pdfPresentationMode:-moz-full-screen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
+
+.pdfPresentationMode:fullscreen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
diff --git a/node_modules/pdfjs-dist/es5/web/pdf_viewer.js b/node_modules/pdfjs-dist/es5/web/pdf_viewer.js
new file mode 100644
index 00000000..bb62662c
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/pdf_viewer.js
@@ -0,0 +1,7886 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/web/pdf_viewer", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/web/pdf_viewer"] = factory();
+	else
+		root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "AnnotationLayerBuilder", {
+  enumerable: true,
+  get: function get() {
+    return _annotation_layer_builder.AnnotationLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "DefaultAnnotationLayerFactory", {
+  enumerable: true,
+  get: function get() {
+    return _annotation_layer_builder.DefaultAnnotationLayerFactory;
+  }
+});
+Object.defineProperty(exports, "DefaultTextLayerFactory", {
+  enumerable: true,
+  get: function get() {
+    return _text_layer_builder.DefaultTextLayerFactory;
+  }
+});
+Object.defineProperty(exports, "TextLayerBuilder", {
+  enumerable: true,
+  get: function get() {
+    return _text_layer_builder.TextLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "EventBus", {
+  enumerable: true,
+  get: function get() {
+    return _ui_utils.EventBus;
+  }
+});
+Object.defineProperty(exports, "NullL10n", {
+  enumerable: true,
+  get: function get() {
+    return _ui_utils.NullL10n;
+  }
+});
+Object.defineProperty(exports, "ProgressBar", {
+  enumerable: true,
+  get: function get() {
+    return _ui_utils.ProgressBar;
+  }
+});
+Object.defineProperty(exports, "PDFLinkService", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_link_service.PDFLinkService;
+  }
+});
+Object.defineProperty(exports, "SimpleLinkService", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_link_service.SimpleLinkService;
+  }
+});
+Object.defineProperty(exports, "DownloadManager", {
+  enumerable: true,
+  get: function get() {
+    return _download_manager.DownloadManager;
+  }
+});
+Object.defineProperty(exports, "GenericL10n", {
+  enumerable: true,
+  get: function get() {
+    return _genericl10n.GenericL10n;
+  }
+});
+Object.defineProperty(exports, "PDFFindController", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_find_controller.PDFFindController;
+  }
+});
+Object.defineProperty(exports, "PDFHistory", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_history.PDFHistory;
+  }
+});
+Object.defineProperty(exports, "PDFPageView", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_page_view.PDFPageView;
+  }
+});
+Object.defineProperty(exports, "PDFSinglePageViewer", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_single_page_viewer.PDFSinglePageViewer;
+  }
+});
+Object.defineProperty(exports, "PDFViewer", {
+  enumerable: true,
+  get: function get() {
+    return _pdf_viewer.PDFViewer;
+  }
+});
+
+var _annotation_layer_builder = __w_pdfjs_require__(1);
+
+var _text_layer_builder = __w_pdfjs_require__(8);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_link_service = __w_pdfjs_require__(7);
+
+var _download_manager = __w_pdfjs_require__(9);
+
+var _genericl10n = __w_pdfjs_require__(11);
+
+var _pdf_find_controller = __w_pdfjs_require__(13);
+
+var _pdf_history = __w_pdfjs_require__(15);
+
+var _pdf_page_view = __w_pdfjs_require__(16);
+
+var _pdf_single_page_viewer = __w_pdfjs_require__(18);
+
+var _pdf_viewer = __w_pdfjs_require__(20);
+
+var pdfjsVersion = '2.6.347';
+var pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_link_service = __w_pdfjs_require__(7);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var AnnotationLayerBuilder = /*#__PURE__*/function () {
+  function AnnotationLayerBuilder(_ref) {
+    var pageDiv = _ref.pageDiv,
+        pdfPage = _ref.pdfPage,
+        linkService = _ref.linkService,
+        downloadManager = _ref.downloadManager,
+        _ref$annotationStorag = _ref.annotationStorage,
+        annotationStorage = _ref$annotationStorag === void 0 ? null : _ref$annotationStorag,
+        _ref$imageResourcesPa = _ref.imageResourcesPath,
+        imageResourcesPath = _ref$imageResourcesPa === void 0 ? "" : _ref$imageResourcesPa,
+        _ref$renderInteractiv = _ref.renderInteractiveForms,
+        renderInteractiveForms = _ref$renderInteractiv === void 0 ? true : _ref$renderInteractiv,
+        _ref$l10n = _ref.l10n,
+        l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n;
+
+    _classCallCheck(this, AnnotationLayerBuilder);
+
+    this.pageDiv = pageDiv;
+    this.pdfPage = pdfPage;
+    this.linkService = linkService;
+    this.downloadManager = downloadManager;
+    this.imageResourcesPath = imageResourcesPath;
+    this.renderInteractiveForms = renderInteractiveForms;
+    this.l10n = l10n;
+    this.annotationStorage = annotationStorage;
+    this.div = null;
+    this._cancelled = false;
+  }
+
+  _createClass(AnnotationLayerBuilder, [{
+    key: "render",
+    value: function render(viewport) {
+      var _this = this;
+
+      var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "display";
+      return this.pdfPage.getAnnotations({
+        intent: intent
+      }).then(function (annotations) {
+        if (_this._cancelled) {
+          return;
+        }
+
+        if (annotations.length === 0) {
+          return;
+        }
+
+        var parameters = {
+          viewport: viewport.clone({
+            dontFlip: true
+          }),
+          div: _this.div,
+          annotations: annotations,
+          page: _this.pdfPage,
+          imageResourcesPath: _this.imageResourcesPath,
+          renderInteractiveForms: _this.renderInteractiveForms,
+          linkService: _this.linkService,
+          downloadManager: _this.downloadManager,
+          annotationStorage: _this.annotationStorage
+        };
+
+        if (_this.div) {
+          _pdfjsLib.AnnotationLayer.update(parameters);
+        } else {
+          _this.div = document.createElement("div");
+          _this.div.className = "annotationLayer";
+
+          _this.pageDiv.appendChild(_this.div);
+
+          parameters.div = _this.div;
+
+          _pdfjsLib.AnnotationLayer.render(parameters);
+
+          _this.l10n.translate(_this.div);
+        }
+      });
+    }
+  }, {
+    key: "cancel",
+    value: function cancel() {
+      this._cancelled = true;
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      if (!this.div) {
+        return;
+      }
+
+      this.div.setAttribute("hidden", "true");
+    }
+  }]);
+
+  return AnnotationLayerBuilder;
+}();
+
+exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
+
+var DefaultAnnotationLayerFactory = /*#__PURE__*/function () {
+  function DefaultAnnotationLayerFactory() {
+    _classCallCheck(this, DefaultAnnotationLayerFactory);
+  }
+
+  _createClass(DefaultAnnotationLayerFactory, [{
+    key: "createAnnotationLayerBuilder",
+    value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
+      var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "";
+      var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : true;
+      var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n;
+      return new AnnotationLayerBuilder({
+        pageDiv: pageDiv,
+        pdfPage: pdfPage,
+        imageResourcesPath: imageResourcesPath,
+        renderInteractiveForms: renderInteractiveForms,
+        linkService: new _pdf_link_service.SimpleLinkService(),
+        l10n: l10n,
+        annotationStorage: annotationStorage
+      });
+    }
+  }]);
+
+  return DefaultAnnotationLayerFactory;
+}();
+
+exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var pdfjsLib;
+
+if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
+  pdfjsLib = window["pdfjs-dist/build/pdf"];
+} else {
+  pdfjsLib = require("../build/pdf.js");
+}
+
+module.exports = pdfjsLib;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isValidRotation = isValidRotation;
+exports.isValidScrollMode = isValidScrollMode;
+exports.isValidSpreadMode = isValidSpreadMode;
+exports.isPortraitOrientation = isPortraitOrientation;
+exports.clamp = clamp;
+exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
+exports.noContextMenuHandler = noContextMenuHandler;
+exports.parseQueryString = parseQueryString;
+exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
+exports.getVisibleElements = getVisibleElements;
+exports.roundToDivide = roundToDivide;
+exports.getPageSizeInches = getPageSizeInches;
+exports.approximateFraction = approximateFraction;
+exports.getOutputScale = getOutputScale;
+exports.scrollIntoView = scrollIntoView;
+exports.watchScroll = watchScroll;
+exports.binarySearchFirstItem = binarySearchFirstItem;
+exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
+exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
+exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
+exports.moveToEndOfArray = moveToEndOfArray;
+exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+var CSS_UNITS = 96.0 / 72.0;
+exports.CSS_UNITS = CSS_UNITS;
+var DEFAULT_SCALE_VALUE = "auto";
+exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
+var DEFAULT_SCALE = 1.0;
+exports.DEFAULT_SCALE = DEFAULT_SCALE;
+var MIN_SCALE = 0.1;
+exports.MIN_SCALE = MIN_SCALE;
+var MAX_SCALE = 10.0;
+exports.MAX_SCALE = MAX_SCALE;
+var UNKNOWN_SCALE = 0;
+exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
+var MAX_AUTO_SCALE = 1.25;
+exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
+var SCROLLBAR_PADDING = 40;
+exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
+var VERTICAL_PADDING = 5;
+exports.VERTICAL_PADDING = VERTICAL_PADDING;
+var PresentationModeState = {
+  UNKNOWN: 0,
+  NORMAL: 1,
+  CHANGING: 2,
+  FULLSCREEN: 3
+};
+exports.PresentationModeState = PresentationModeState;
+var RendererType = {
+  CANVAS: "canvas",
+  SVG: "svg"
+};
+exports.RendererType = RendererType;
+var TextLayerMode = {
+  DISABLE: 0,
+  ENABLE: 1,
+  ENABLE_ENHANCE: 2
+};
+exports.TextLayerMode = TextLayerMode;
+var ScrollMode = {
+  UNKNOWN: -1,
+  VERTICAL: 0,
+  HORIZONTAL: 1,
+  WRAPPED: 2
+};
+exports.ScrollMode = ScrollMode;
+var SpreadMode = {
+  UNKNOWN: -1,
+  NONE: 0,
+  ODD: 1,
+  EVEN: 2
+};
+exports.SpreadMode = SpreadMode;
+var AutoPrintRegExp = /\bprint\s*\(/;
+exports.AutoPrintRegExp = AutoPrintRegExp;
+
+function formatL10nValue(text, args) {
+  if (!args) {
+    return text;
+  }
+
+  return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
+    return name in args ? args[name] : "{{" + name + "}}";
+  });
+}
+
+var NullL10n = {
+  getLanguage: function getLanguage() {
+    return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+      return _regenerator["default"].wrap(function _callee$(_context) {
+        while (1) {
+          switch (_context.prev = _context.next) {
+            case 0:
+              return _context.abrupt("return", "en-us");
+
+            case 1:
+            case "end":
+              return _context.stop();
+          }
+        }
+      }, _callee);
+    }))();
+  },
+  getDirection: function getDirection() {
+    return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+      return _regenerator["default"].wrap(function _callee2$(_context2) {
+        while (1) {
+          switch (_context2.prev = _context2.next) {
+            case 0:
+              return _context2.abrupt("return", "ltr");
+
+            case 1:
+            case "end":
+              return _context2.stop();
+          }
+        }
+      }, _callee2);
+    }))();
+  },
+  get: function get(property, args, fallback) {
+    return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3() {
+      return _regenerator["default"].wrap(function _callee3$(_context3) {
+        while (1) {
+          switch (_context3.prev = _context3.next) {
+            case 0:
+              return _context3.abrupt("return", formatL10nValue(fallback, args));
+
+            case 1:
+            case "end":
+              return _context3.stop();
+          }
+        }
+      }, _callee3);
+    }))();
+  },
+  translate: function translate(element) {
+    return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee4() {
+      return _regenerator["default"].wrap(function _callee4$(_context4) {
+        while (1) {
+          switch (_context4.prev = _context4.next) {
+            case 0:
+            case "end":
+              return _context4.stop();
+          }
+        }
+      }, _callee4);
+    }))();
+  }
+};
+exports.NullL10n = NullL10n;
+
+function getOutputScale(ctx) {
+  var devicePixelRatio = window.devicePixelRatio || 1;
+  var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
+  var pixelRatio = devicePixelRatio / backingStoreRatio;
+  return {
+    sx: pixelRatio,
+    sy: pixelRatio,
+    scaled: pixelRatio !== 1
+  };
+}
+
+function scrollIntoView(element, spot) {
+  var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+  var parent = element.offsetParent;
+
+  if (!parent) {
+    console.error("offsetParent is not set -- cannot scroll");
+    return;
+  }
+
+  var offsetY = element.offsetTop + element.clientTop;
+  var offsetX = element.offsetLeft + element.clientLeft;
+
+  while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
+    if (parent.dataset._scaleY) {
+      offsetY /= parent.dataset._scaleY;
+      offsetX /= parent.dataset._scaleX;
+    }
+
+    offsetY += parent.offsetTop;
+    offsetX += parent.offsetLeft;
+    parent = parent.offsetParent;
+
+    if (!parent) {
+      return;
+    }
+  }
+
+  if (spot) {
+    if (spot.top !== undefined) {
+      offsetY += spot.top;
+    }
+
+    if (spot.left !== undefined) {
+      offsetX += spot.left;
+      parent.scrollLeft = offsetX;
+    }
+  }
+
+  parent.scrollTop = offsetY;
+}
+
+function watchScroll(viewAreaElement, callback) {
+  var debounceScroll = function debounceScroll(evt) {
+    if (rAF) {
+      return;
+    }
+
+    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+      rAF = null;
+      var currentX = viewAreaElement.scrollLeft;
+      var lastX = state.lastX;
+
+      if (currentX !== lastX) {
+        state.right = currentX > lastX;
+      }
+
+      state.lastX = currentX;
+      var currentY = viewAreaElement.scrollTop;
+      var lastY = state.lastY;
+
+      if (currentY !== lastY) {
+        state.down = currentY > lastY;
+      }
+
+      state.lastY = currentY;
+      callback(state);
+    });
+  };
+
+  var state = {
+    right: true,
+    down: true,
+    lastX: viewAreaElement.scrollLeft,
+    lastY: viewAreaElement.scrollTop,
+    _eventHandler: debounceScroll
+  };
+  var rAF = null;
+  viewAreaElement.addEventListener("scroll", debounceScroll, true);
+  return state;
+}
+
+function parseQueryString(query) {
+  var parts = query.split("&");
+  var params = Object.create(null);
+
+  for (var i = 0, ii = parts.length; i < ii; ++i) {
+    var param = parts[i].split("=");
+    var key = param[0].toLowerCase();
+    var value = param.length > 1 ? param[1] : null;
+    params[decodeURIComponent(key)] = decodeURIComponent(value);
+  }
+
+  return params;
+}
+
+function binarySearchFirstItem(items, condition) {
+  var minIndex = 0;
+  var maxIndex = items.length - 1;
+
+  if (maxIndex < 0 || !condition(items[maxIndex])) {
+    return items.length;
+  }
+
+  if (condition(items[minIndex])) {
+    return minIndex;
+  }
+
+  while (minIndex < maxIndex) {
+    var currentIndex = minIndex + maxIndex >> 1;
+    var currentItem = items[currentIndex];
+
+    if (condition(currentItem)) {
+      maxIndex = currentIndex;
+    } else {
+      minIndex = currentIndex + 1;
+    }
+  }
+
+  return minIndex;
+}
+
+function approximateFraction(x) {
+  if (Math.floor(x) === x) {
+    return [x, 1];
+  }
+
+  var xinv = 1 / x;
+  var limit = 8;
+
+  if (xinv > limit) {
+    return [1, limit];
+  } else if (Math.floor(xinv) === xinv) {
+    return [1, xinv];
+  }
+
+  var x_ = x > 1 ? xinv : x;
+  var a = 0,
+      b = 1,
+      c = 1,
+      d = 1;
+
+  while (true) {
+    var p = a + c,
+        q = b + d;
+
+    if (q > limit) {
+      break;
+    }
+
+    if (x_ <= p / q) {
+      c = p;
+      d = q;
+    } else {
+      a = p;
+      b = q;
+    }
+  }
+
+  var result;
+
+  if (x_ - a / b < c / d - x_) {
+    result = x_ === x ? [a, b] : [b, a];
+  } else {
+    result = x_ === x ? [c, d] : [d, c];
+  }
+
+  return result;
+}
+
+function roundToDivide(x, div) {
+  var r = x % div;
+  return r === 0 ? x : Math.round(x - r + div);
+}
+
+function getPageSizeInches(_ref) {
+  var view = _ref.view,
+      userUnit = _ref.userUnit,
+      rotate = _ref.rotate;
+
+  var _view = _slicedToArray(view, 4),
+      x1 = _view[0],
+      y1 = _view[1],
+      x2 = _view[2],
+      y2 = _view[3];
+
+  var changeOrientation = rotate % 180 !== 0;
+  var width = (x2 - x1) / 72 * userUnit;
+  var height = (y2 - y1) / 72 * userUnit;
+  return {
+    width: changeOrientation ? height : width,
+    height: changeOrientation ? width : height
+  };
+}
+
+function backtrackBeforeAllVisibleElements(index, views, top) {
+  if (index < 2) {
+    return index;
+  }
+
+  var elt = views[index].div;
+  var pageTop = elt.offsetTop + elt.clientTop;
+
+  if (pageTop >= top) {
+    elt = views[index - 1].div;
+    pageTop = elt.offsetTop + elt.clientTop;
+  }
+
+  for (var i = index - 2; i >= 0; --i) {
+    elt = views[i].div;
+
+    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+      break;
+    }
+
+    index = i;
+  }
+
+  return index;
+}
+
+function getVisibleElements(scrollEl, views) {
+  var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+  var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+  var top = scrollEl.scrollTop,
+      bottom = top + scrollEl.clientHeight;
+  var left = scrollEl.scrollLeft,
+      right = left + scrollEl.clientWidth;
+
+  function isElementBottomAfterViewTop(view) {
+    var element = view.div;
+    var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+    return elementBottom > top;
+  }
+
+  function isElementRightAfterViewLeft(view) {
+    var element = view.div;
+    var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
+    return elementRight > left;
+  }
+
+  var visible = [],
+      numViews = views.length;
+  var firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
+
+  if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+    firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+  }
+
+  var lastEdge = horizontal ? right : -1;
+
+  for (var i = firstVisibleElementInd; i < numViews; i++) {
+    var view = views[i],
+        element = view.div;
+    var currentWidth = element.offsetLeft + element.clientLeft;
+    var currentHeight = element.offsetTop + element.clientTop;
+    var viewWidth = element.clientWidth,
+        viewHeight = element.clientHeight;
+    var viewRight = currentWidth + viewWidth;
+    var viewBottom = currentHeight + viewHeight;
+
+    if (lastEdge === -1) {
+      if (viewBottom >= bottom) {
+        lastEdge = viewBottom;
+      }
+    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+      break;
+    }
+
+    if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+      continue;
+    }
+
+    var hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
+    var hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
+    var percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
+    visible.push({
+      id: view.id,
+      x: currentWidth,
+      y: currentHeight,
+      view: view,
+      percent: percent
+    });
+  }
+
+  var first = visible[0],
+      last = visible[visible.length - 1];
+
+  if (sortByVisibility) {
+    visible.sort(function (a, b) {
+      var pc = a.percent - b.percent;
+
+      if (Math.abs(pc) > 0.001) {
+        return -pc;
+      }
+
+      return a.id - b.id;
+    });
+  }
+
+  return {
+    first: first,
+    last: last,
+    views: visible
+  };
+}
+
+function noContextMenuHandler(evt) {
+  evt.preventDefault();
+}
+
+function isDataSchema(url) {
+  var i = 0;
+  var ii = url.length;
+
+  while (i < ii && url[i].trim() === "") {
+    i++;
+  }
+
+  return url.substring(i, i + 5).toLowerCase() === "data:";
+}
+
+function getPDFFileNameFromURL(url) {
+  var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "document.pdf";
+
+  if (typeof url !== "string") {
+    return defaultFilename;
+  }
+
+  if (isDataSchema(url)) {
+    console.warn("getPDFFileNameFromURL: " + 'ignoring "data:" URL for performance reasons.');
+    return defaultFilename;
+  }
+
+  var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
+  var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
+  var splitURI = reURI.exec(url);
+  var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
+
+  if (suggestedFilename) {
+    suggestedFilename = suggestedFilename[0];
+
+    if (suggestedFilename.includes("%")) {
+      try {
+        suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
+      } catch (ex) {}
+    }
+  }
+
+  return suggestedFilename || defaultFilename;
+}
+
+function normalizeWheelEventDirection(evt) {
+  var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
+  var angle = Math.atan2(evt.deltaY, evt.deltaX);
+
+  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+    delta = -delta;
+  }
+
+  return delta;
+}
+
+function normalizeWheelEventDelta(evt) {
+  var delta = normalizeWheelEventDirection(evt);
+  var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
+  var MOUSE_DOM_DELTA_LINE_MODE = 1;
+  var MOUSE_PIXELS_PER_LINE = 30;
+  var MOUSE_LINES_PER_PAGE = 30;
+
+  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
+    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
+    delta /= MOUSE_LINES_PER_PAGE;
+  }
+
+  return delta;
+}
+
+function isValidRotation(angle) {
+  return Number.isInteger(angle) && angle % 90 === 0;
+}
+
+function isValidScrollMode(mode) {
+  return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+
+function isValidSpreadMode(mode) {
+  return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+
+function isPortraitOrientation(size) {
+  return size.width <= size.height;
+}
+
+var WaitOnType = {
+  EVENT: "event",
+  TIMEOUT: "timeout"
+};
+exports.WaitOnType = WaitOnType;
+
+function waitOnEventOrTimeout(_ref2) {
+  var target = _ref2.target,
+      name = _ref2.name,
+      _ref2$delay = _ref2.delay,
+      delay = _ref2$delay === void 0 ? 0 : _ref2$delay;
+  return new Promise(function (resolve, reject) {
+    if (_typeof(target) !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+      throw new Error("waitOnEventOrTimeout - invalid parameters.");
+    }
+
+    function handler(type) {
+      if (target instanceof EventBus) {
+        target._off(name, eventHandler);
+      } else {
+        target.removeEventListener(name, eventHandler);
+      }
+
+      if (timeout) {
+        clearTimeout(timeout);
+      }
+
+      resolve(type);
+    }
+
+    var eventHandler = handler.bind(null, WaitOnType.EVENT);
+
+    if (target instanceof EventBus) {
+      target._on(name, eventHandler);
+    } else {
+      target.addEventListener(name, eventHandler);
+    }
+
+    var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
+    var timeout = setTimeout(timeoutHandler, delay);
+  });
+}
+
+var animationStarted = new Promise(function (resolve) {
+  window.requestAnimationFrame(resolve);
+});
+exports.animationStarted = animationStarted;
+
+function dispatchDOMEvent(eventName) {
+  var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+  throw new Error("Not implemented: dispatchDOMEvent");
+}
+
+var EventBus = /*#__PURE__*/function () {
+  function EventBus(options) {
+    _classCallCheck(this, EventBus);
+
+    this._listeners = Object.create(null);
+  }
+
+  _createClass(EventBus, [{
+    key: "on",
+    value: function on(eventName, listener) {
+      this._on(eventName, listener, {
+        external: true
+      });
+    }
+  }, {
+    key: "off",
+    value: function off(eventName, listener) {
+      this._off(eventName, listener, {
+        external: true
+      });
+    }
+  }, {
+    key: "dispatch",
+    value: function dispatch(eventName) {
+      var eventListeners = this._listeners[eventName];
+
+      if (!eventListeners || eventListeners.length === 0) {
+        return;
+      }
+
+      var args = Array.prototype.slice.call(arguments, 1);
+      var externalListeners;
+      eventListeners.slice(0).forEach(function (_ref3) {
+        var listener = _ref3.listener,
+            external = _ref3.external;
+
+        if (external) {
+          if (!externalListeners) {
+            externalListeners = [];
+          }
+
+          externalListeners.push(listener);
+          return;
+        }
+
+        listener.apply(null, args);
+      });
+
+      if (externalListeners) {
+        externalListeners.forEach(function (listener) {
+          listener.apply(null, args);
+        });
+        externalListeners = null;
+      }
+    }
+  }, {
+    key: "_on",
+    value: function _on(eventName, listener) {
+      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var eventListeners = this._listeners[eventName];
+
+      if (!eventListeners) {
+        this._listeners[eventName] = eventListeners = [];
+      }
+
+      eventListeners.push({
+        listener: listener,
+        external: (options && options.external) === true
+      });
+    }
+  }, {
+    key: "_off",
+    value: function _off(eventName, listener) {
+      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var eventListeners = this._listeners[eventName];
+
+      if (!eventListeners) {
+        return;
+      }
+
+      for (var i = 0, ii = eventListeners.length; i < ii; i++) {
+        if (eventListeners[i].listener === listener) {
+          eventListeners.splice(i, 1);
+          return;
+        }
+      }
+    }
+  }]);
+
+  return EventBus;
+}();
+
+exports.EventBus = EventBus;
+
+function clamp(v, min, max) {
+  return Math.min(Math.max(v, min), max);
+}
+
+var ProgressBar = /*#__PURE__*/function () {
+  function ProgressBar(id) {
+    var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        height = _ref4.height,
+        width = _ref4.width,
+        units = _ref4.units;
+
+    _classCallCheck(this, ProgressBar);
+
+    this.visible = true;
+    this.div = document.querySelector(id + " .progress");
+    this.bar = this.div.parentNode;
+    this.height = height || 100;
+    this.width = width || 100;
+    this.units = units || "%";
+    this.div.style.height = this.height + this.units;
+    this.percent = 0;
+  }
+
+  _createClass(ProgressBar, [{
+    key: "_updateBar",
+    value: function _updateBar() {
+      if (this._indeterminate) {
+        this.div.classList.add("indeterminate");
+        this.div.style.width = this.width + this.units;
+        return;
+      }
+
+      this.div.classList.remove("indeterminate");
+      var progressSize = this.width * this._percent / 100;
+      this.div.style.width = progressSize + this.units;
+    }
+  }, {
+    key: "setWidth",
+    value: function setWidth(viewer) {
+      if (!viewer) {
+        return;
+      }
+
+      var container = viewer.parentNode;
+      var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+
+      if (scrollbarWidth > 0) {
+        this.bar.style.width = "calc(100% - ".concat(scrollbarWidth, "px)");
+      }
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      if (!this.visible) {
+        return;
+      }
+
+      this.visible = false;
+      this.bar.classList.add("hidden");
+      document.body.classList.remove("loadingInProgress");
+    }
+  }, {
+    key: "show",
+    value: function show() {
+      if (this.visible) {
+        return;
+      }
+
+      this.visible = true;
+      document.body.classList.add("loadingInProgress");
+      this.bar.classList.remove("hidden");
+    }
+  }, {
+    key: "percent",
+    get: function get() {
+      return this._percent;
+    },
+    set: function set(val) {
+      this._indeterminate = isNaN(val);
+      this._percent = clamp(val, 0, 100);
+
+      this._updateBar();
+    }
+  }]);
+
+  return ProgressBar;
+}();
+
+exports.ProgressBar = ProgressBar;
+
+function moveToEndOfArray(arr, condition) {
+  var moved = [],
+      len = arr.length;
+  var write = 0;
+
+  for (var read = 0; read < len; ++read) {
+    if (condition(arr[read])) {
+      moved.push(arr[read]);
+    } else {
+      arr[write] = arr[read];
+      ++write;
+    }
+  }
+
+  for (var _read = 0; write < len; ++_read, ++write) {
+    arr[write] = moved[_read];
+  }
+}
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = __w_pdfjs_require__(5);
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(module) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var runtime = function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined;
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function define(obj, key, value) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+    return obj[key];
+  }
+
+  try {
+    define({}, "");
+  } catch (err) {
+    define = function define(obj, key, value) {
+      return obj[key] = value;
+    };
+  }
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []);
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+    return generator;
+  }
+
+  exports.wrap = wrap;
+
+  function tryCatch(fn, obj, arg) {
+    try {
+      return {
+        type: "normal",
+        arg: fn.call(obj, arg)
+      };
+    } catch (err) {
+      return {
+        type: "throw",
+        arg: err
+      };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+  var ContinueSentinel = {};
+
+  function Generator() {}
+
+  function GeneratorFunction() {}
+
+  function GeneratorFunctionPrototype() {}
+
+  var IteratorPrototype = {};
+
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+
+  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");
+
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function (method) {
+      define(prototype, method, function (arg) {
+        return this._invoke(method, arg);
+      });
+    });
+  }
+
+  exports.isGeneratorFunction = function (genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
+  };
+
+  exports.mark = function (genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+      define(genFun, toStringTagSymbol, "GeneratorFunction");
+    }
+
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  exports.awrap = function (arg) {
+    return {
+      __await: arg
+    };
+  };
+
+  function AsyncIterator(generator, PromiseImpl) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+
+        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
+          return PromiseImpl.resolve(value.__await).then(function (value) {
+            invoke("next", value, resolve, reject);
+          }, function (err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return PromiseImpl.resolve(value).then(function (unwrapped) {
+          result.value = unwrapped;
+          resolve(result);
+        }, function (error) {
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new PromiseImpl(function (resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
+    }
+
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+
+  exports.AsyncIterator = AsyncIterator;
+
+  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
+    if (PromiseImpl === void 0) PromiseImpl = Promise;
+    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
+    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
+      return result.done ? result.value : iter.next();
+    });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        }
+
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          context.sent = context._sent = context.arg;
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+        var record = tryCatch(innerFn, self, context);
+
+        if (record.type === "normal") {
+          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  }
+
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+
+    if (method === undefined) {
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        if (delegate.iterator["return"]) {
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError("The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (!info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      context[delegate.resultName] = info.value;
+      context.next = delegate.nextLoc;
+
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+    } else {
+      return info;
+    }
+
+    context.delegate = null;
+    return ContinueSentinel;
+  }
+
+  defineIteratorMethods(Gp);
+  define(Gp, toStringTagSymbol, "Generator");
+
+  Gp[iteratorSymbol] = function () {
+    return this;
+  };
+
+  Gp.toString = function () {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = {
+      tryLoc: locs[0]
+    };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    this.tryEntries = [{
+      tryLoc: "root"
+    }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function (object) {
+    var keys = [];
+
+    for (var key in object) {
+      keys.push(key);
+    }
+
+    keys.reverse();
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1,
+            next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    return {
+      next: doneResult
+    };
+  }
+
+  exports.values = values;
+
+  function doneResult() {
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+    reset: function reset(skipTempReset) {
+      this.prev = 0;
+      this.next = 0;
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+      this.method = "next";
+      this.arg = undefined;
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+    stop: function stop() {
+      this.done = true;
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+    dispatchException: function dispatchException(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+    abrupt: function abrupt(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+    complete: function complete(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" || record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+    finish: function finish(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+    "catch": function _catch(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+
+          return thrown;
+        }
+      }
+
+      throw new Error("illegal catch attempt");
+    },
+    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  };
+  return exports;
+}(( false ? undefined : _typeof(module)) === "object" ? module.exports : {});
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
+/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(6)(module)))
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (module) {
+  if (!module.webpackPolyfill) {
+    module.deprecate = function () {};
+
+    module.paths = [];
+    if (!module.children) module.children = [];
+    Object.defineProperty(module, "loaded", {
+      enumerable: true,
+      get: function get() {
+        return module.l;
+      }
+    });
+    Object.defineProperty(module, "id", {
+      enumerable: true,
+      get: function get() {
+        return module.i;
+      }
+    });
+    module.webpackPolyfill = 1;
+  }
+
+  return module;
+};
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleLinkService = exports.PDFLinkService = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PDFLinkService = /*#__PURE__*/function () {
+  function PDFLinkService() {
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        eventBus = _ref.eventBus,
+        _ref$externalLinkTarg = _ref.externalLinkTarget,
+        externalLinkTarget = _ref$externalLinkTarg === void 0 ? null : _ref$externalLinkTarg,
+        _ref$externalLinkRel = _ref.externalLinkRel,
+        externalLinkRel = _ref$externalLinkRel === void 0 ? null : _ref$externalLinkRel,
+        _ref$externalLinkEnab = _ref.externalLinkEnabled,
+        externalLinkEnabled = _ref$externalLinkEnab === void 0 ? true : _ref$externalLinkEnab,
+        _ref$ignoreDestinatio = _ref.ignoreDestinationZoom,
+        ignoreDestinationZoom = _ref$ignoreDestinatio === void 0 ? false : _ref$ignoreDestinatio;
+
+    _classCallCheck(this, PDFLinkService);
+
+    this.eventBus = eventBus;
+    this.externalLinkTarget = externalLinkTarget;
+    this.externalLinkRel = externalLinkRel;
+    this.externalLinkEnabled = externalLinkEnabled;
+    this._ignoreDestinationZoom = ignoreDestinationZoom;
+    this.baseUrl = null;
+    this.pdfDocument = null;
+    this.pdfViewer = null;
+    this.pdfHistory = null;
+    this._pagesRefCache = null;
+  }
+
+  _createClass(PDFLinkService, [{
+    key: "setDocument",
+    value: function setDocument(pdfDocument) {
+      var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+      this.baseUrl = baseUrl;
+      this.pdfDocument = pdfDocument;
+      this._pagesRefCache = Object.create(null);
+    }
+  }, {
+    key: "setViewer",
+    value: function setViewer(pdfViewer) {
+      this.pdfViewer = pdfViewer;
+    }
+  }, {
+    key: "setHistory",
+    value: function setHistory(pdfHistory) {
+      this.pdfHistory = pdfHistory;
+    }
+  }, {
+    key: "navigateTo",
+    value: function navigateTo(dest) {
+      var _this = this;
+
+      var goToDestination = function goToDestination(_ref2) {
+        var namedDest = _ref2.namedDest,
+            explicitDest = _ref2.explicitDest;
+        var destRef = explicitDest[0];
+        var pageNumber;
+
+        if (destRef instanceof Object) {
+          pageNumber = _this._cachedPageNumber(destRef);
+
+          if (pageNumber === null) {
+            _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
+              _this.cachePageRef(pageIndex + 1, destRef);
+
+              goToDestination({
+                namedDest: namedDest,
+                explicitDest: explicitDest
+              });
+            })["catch"](function () {
+              console.error("PDFLinkService.navigateTo: \"".concat(destRef, "\" is not ") + "a valid page reference, for dest=\"".concat(dest, "\"."));
+            });
+
+            return;
+          }
+        } else if (Number.isInteger(destRef)) {
+          pageNumber = destRef + 1;
+        } else {
+          console.error("PDFLinkService.navigateTo: \"".concat(destRef, "\" is not ") + "a valid destination reference, for dest=\"".concat(dest, "\"."));
+          return;
+        }
+
+        if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
+          console.error("PDFLinkService.navigateTo: \"".concat(pageNumber, "\" is not ") + "a valid page number, for dest=\"".concat(dest, "\"."));
+          return;
+        }
+
+        if (_this.pdfHistory) {
+          _this.pdfHistory.pushCurrentPosition();
+
+          _this.pdfHistory.push({
+            namedDest: namedDest,
+            explicitDest: explicitDest,
+            pageNumber: pageNumber
+          });
+        }
+
+        _this.pdfViewer.scrollPageIntoView({
+          pageNumber: pageNumber,
+          destArray: explicitDest,
+          ignoreDestinationZoom: _this._ignoreDestinationZoom
+        });
+      };
+
+      new Promise(function (resolve, reject) {
+        if (typeof dest === "string") {
+          _this.pdfDocument.getDestination(dest).then(function (destArray) {
+            resolve({
+              namedDest: dest,
+              explicitDest: destArray
+            });
+          });
+
+          return;
+        }
+
+        resolve({
+          namedDest: "",
+          explicitDest: dest
+        });
+      }).then(function (data) {
+        if (!Array.isArray(data.explicitDest)) {
+          console.error("PDFLinkService.navigateTo: \"".concat(data.explicitDest, "\" is") + " not a valid destination array, for dest=\"".concat(dest, "\"."));
+          return;
+        }
+
+        goToDestination(data);
+      });
+    }
+  }, {
+    key: "getDestinationHash",
+    value: function getDestinationHash(dest) {
+      if (typeof dest === "string") {
+        return this.getAnchorUrl("#" + escape(dest));
+      }
+
+      if (Array.isArray(dest)) {
+        var str = JSON.stringify(dest);
+        return this.getAnchorUrl("#" + escape(str));
+      }
+
+      return this.getAnchorUrl("");
+    }
+  }, {
+    key: "getAnchorUrl",
+    value: function getAnchorUrl(anchor) {
+      return (this.baseUrl || "") + anchor;
+    }
+  }, {
+    key: "setHash",
+    value: function setHash(hash) {
+      var pageNumber, dest;
+
+      if (hash.includes("=")) {
+        var params = (0, _ui_utils.parseQueryString)(hash);
+
+        if ("search" in params) {
+          this.eventBus.dispatch("findfromurlhash", {
+            source: this,
+            query: params.search.replace(/"/g, ""),
+            phraseSearch: params.phrase === "true"
+          });
+        }
+
+        if ("page" in params) {
+          pageNumber = params.page | 0 || 1;
+        }
+
+        if ("zoom" in params) {
+          var zoomArgs = params.zoom.split(",");
+          var zoomArg = zoomArgs[0];
+          var zoomArgNumber = parseFloat(zoomArg);
+
+          if (!zoomArg.includes("Fit")) {
+            dest = [null, {
+              name: "XYZ"
+            }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+          } else {
+            if (zoomArg === "Fit" || zoomArg === "FitB") {
+              dest = [null, {
+                name: zoomArg
+              }];
+            } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+              dest = [null, {
+                name: zoomArg
+              }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+            } else if (zoomArg === "FitR") {
+              if (zoomArgs.length !== 5) {
+                console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+              } else {
+                dest = [null, {
+                  name: zoomArg
+                }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+              }
+            } else {
+              console.error("PDFLinkService.setHash: \"".concat(zoomArg, "\" is not ") + "a valid zoom value.");
+            }
+          }
+        }
+
+        if (dest) {
+          this.pdfViewer.scrollPageIntoView({
+            pageNumber: pageNumber || this.page,
+            destArray: dest,
+            allowNegativeOffset: true
+          });
+        } else if (pageNumber) {
+          this.page = pageNumber;
+        }
+
+        if ("pagemode" in params) {
+          this.eventBus.dispatch("pagemode", {
+            source: this,
+            mode: params.pagemode
+          });
+        }
+
+        if ("nameddest" in params) {
+          this.navigateTo(params.nameddest);
+        }
+      } else {
+        dest = unescape(hash);
+
+        try {
+          dest = JSON.parse(dest);
+
+          if (!Array.isArray(dest)) {
+            dest = dest.toString();
+          }
+        } catch (ex) {}
+
+        if (typeof dest === "string" || isValidExplicitDestination(dest)) {
+          this.navigateTo(dest);
+          return;
+        }
+
+        console.error("PDFLinkService.setHash: \"".concat(unescape(hash), "\" is not ") + "a valid destination.");
+      }
+    }
+  }, {
+    key: "executeNamedAction",
+    value: function executeNamedAction(action) {
+      switch (action) {
+        case "GoBack":
+          if (this.pdfHistory) {
+            this.pdfHistory.back();
+          }
+
+          break;
+
+        case "GoForward":
+          if (this.pdfHistory) {
+            this.pdfHistory.forward();
+          }
+
+          break;
+
+        case "NextPage":
+          if (this.page < this.pagesCount) {
+            this.page++;
+          }
+
+          break;
+
+        case "PrevPage":
+          if (this.page > 1) {
+            this.page--;
+          }
+
+          break;
+
+        case "LastPage":
+          this.page = this.pagesCount;
+          break;
+
+        case "FirstPage":
+          this.page = 1;
+          break;
+
+        default:
+          break;
+      }
+
+      this.eventBus.dispatch("namedaction", {
+        source: this,
+        action: action
+      });
+    }
+  }, {
+    key: "cachePageRef",
+    value: function cachePageRef(pageNum, pageRef) {
+      if (!pageRef) {
+        return;
+      }
+
+      var refStr = pageRef.gen === 0 ? "".concat(pageRef.num, "R") : "".concat(pageRef.num, "R").concat(pageRef.gen);
+      this._pagesRefCache[refStr] = pageNum;
+    }
+  }, {
+    key: "_cachedPageNumber",
+    value: function _cachedPageNumber(pageRef) {
+      var refStr = pageRef.gen === 0 ? "".concat(pageRef.num, "R") : "".concat(pageRef.num, "R").concat(pageRef.gen);
+      return this._pagesRefCache && this._pagesRefCache[refStr] || null;
+    }
+  }, {
+    key: "isPageVisible",
+    value: function isPageVisible(pageNumber) {
+      return this.pdfViewer.isPageVisible(pageNumber);
+    }
+  }, {
+    key: "pagesCount",
+    get: function get() {
+      return this.pdfDocument ? this.pdfDocument.numPages : 0;
+    }
+  }, {
+    key: "page",
+    get: function get() {
+      return this.pdfViewer.currentPageNumber;
+    },
+    set: function set(value) {
+      this.pdfViewer.currentPageNumber = value;
+    }
+  }, {
+    key: "rotation",
+    get: function get() {
+      return this.pdfViewer.pagesRotation;
+    },
+    set: function set(value) {
+      this.pdfViewer.pagesRotation = value;
+    }
+  }]);
+
+  return PDFLinkService;
+}();
+
+exports.PDFLinkService = PDFLinkService;
+
+function isValidExplicitDestination(dest) {
+  if (!Array.isArray(dest)) {
+    return false;
+  }
+
+  var destLength = dest.length;
+
+  if (destLength < 2) {
+    return false;
+  }
+
+  var page = dest[0];
+
+  if (!(_typeof(page) === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
+    return false;
+  }
+
+  var zoom = dest[1];
+
+  if (!(_typeof(zoom) === "object" && typeof zoom.name === "string")) {
+    return false;
+  }
+
+  var allowNull = true;
+
+  switch (zoom.name) {
+    case "XYZ":
+      if (destLength !== 5) {
+        return false;
+      }
+
+      break;
+
+    case "Fit":
+    case "FitB":
+      return destLength === 2;
+
+    case "FitH":
+    case "FitBH":
+    case "FitV":
+    case "FitBV":
+      if (destLength !== 3) {
+        return false;
+      }
+
+      break;
+
+    case "FitR":
+      if (destLength !== 6) {
+        return false;
+      }
+
+      allowNull = false;
+      break;
+
+    default:
+      return false;
+  }
+
+  for (var i = 2; i < destLength; i++) {
+    var param = dest[i];
+
+    if (!(typeof param === "number" || allowNull && param === null)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+var SimpleLinkService = /*#__PURE__*/function () {
+  function SimpleLinkService() {
+    _classCallCheck(this, SimpleLinkService);
+
+    this.externalLinkTarget = null;
+    this.externalLinkRel = null;
+    this.externalLinkEnabled = true;
+    this._ignoreDestinationZoom = false;
+  }
+
+  _createClass(SimpleLinkService, [{
+    key: "navigateTo",
+    value: function navigateTo(dest) {}
+  }, {
+    key: "getDestinationHash",
+    value: function getDestinationHash(dest) {
+      return "#";
+    }
+  }, {
+    key: "getAnchorUrl",
+    value: function getAnchorUrl(hash) {
+      return "#";
+    }
+  }, {
+    key: "setHash",
+    value: function setHash(hash) {}
+  }, {
+    key: "executeNamedAction",
+    value: function executeNamedAction(action) {}
+  }, {
+    key: "cachePageRef",
+    value: function cachePageRef(pageNum, pageRef) {}
+  }, {
+    key: "isPageVisible",
+    value: function isPageVisible(pageNumber) {
+      return true;
+    }
+  }, {
+    key: "pagesCount",
+    get: function get() {
+      return 0;
+    }
+  }, {
+    key: "page",
+    get: function get() {
+      return 0;
+    },
+    set: function set(value) {}
+  }, {
+    key: "rotation",
+    get: function get() {
+      return 0;
+    },
+    set: function set(value) {}
+  }]);
+
+  return SimpleLinkService;
+}();
+
+exports.SimpleLinkService = SimpleLinkService;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var EXPAND_DIVS_TIMEOUT = 300;
+
+var TextLayerBuilder = /*#__PURE__*/function () {
+  function TextLayerBuilder(_ref) {
+    var textLayerDiv = _ref.textLayerDiv,
+        eventBus = _ref.eventBus,
+        pageIndex = _ref.pageIndex,
+        viewport = _ref.viewport,
+        _ref$findController = _ref.findController,
+        findController = _ref$findController === void 0 ? null : _ref$findController,
+        _ref$enhanceTextSelec = _ref.enhanceTextSelection,
+        enhanceTextSelection = _ref$enhanceTextSelec === void 0 ? false : _ref$enhanceTextSelec;
+
+    _classCallCheck(this, TextLayerBuilder);
+
+    this.textLayerDiv = textLayerDiv;
+    this.eventBus = eventBus;
+    this.textContent = null;
+    this.textContentItemsStr = [];
+    this.textContentStream = null;
+    this.renderingDone = false;
+    this.pageIdx = pageIndex;
+    this.pageNumber = this.pageIdx + 1;
+    this.matches = [];
+    this.viewport = viewport;
+    this.textDivs = [];
+    this.findController = findController;
+    this.textLayerRenderTask = null;
+    this.enhanceTextSelection = enhanceTextSelection;
+    this._onUpdateTextLayerMatches = null;
+
+    this._bindMouse();
+  }
+
+  _createClass(TextLayerBuilder, [{
+    key: "_finishRendering",
+    value: function _finishRendering() {
+      this.renderingDone = true;
+
+      if (!this.enhanceTextSelection) {
+        var endOfContent = document.createElement("div");
+        endOfContent.className = "endOfContent";
+        this.textLayerDiv.appendChild(endOfContent);
+      }
+
+      this.eventBus.dispatch("textlayerrendered", {
+        source: this,
+        pageNumber: this.pageNumber,
+        numTextDivs: this.textDivs.length
+      });
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var _this = this;
+
+      var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+
+      if (!(this.textContent || this.textContentStream) || this.renderingDone) {
+        return;
+      }
+
+      this.cancel();
+      this.textDivs = [];
+      var textLayerFrag = document.createDocumentFragment();
+      this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
+        textContent: this.textContent,
+        textContentStream: this.textContentStream,
+        container: textLayerFrag,
+        viewport: this.viewport,
+        textDivs: this.textDivs,
+        textContentItemsStr: this.textContentItemsStr,
+        timeout: timeout,
+        enhanceTextSelection: this.enhanceTextSelection
+      });
+      this.textLayerRenderTask.promise.then(function () {
+        _this.textLayerDiv.appendChild(textLayerFrag);
+
+        _this._finishRendering();
+
+        _this._updateMatches();
+      }, function (reason) {});
+
+      if (!this._onUpdateTextLayerMatches) {
+        this._onUpdateTextLayerMatches = function (evt) {
+          if (evt.pageIndex === _this.pageIdx || evt.pageIndex === -1) {
+            _this._updateMatches();
+          }
+        };
+
+        this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
+      }
+    }
+  }, {
+    key: "cancel",
+    value: function cancel() {
+      if (this.textLayerRenderTask) {
+        this.textLayerRenderTask.cancel();
+        this.textLayerRenderTask = null;
+      }
+
+      if (this._onUpdateTextLayerMatches) {
+        this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
+
+        this._onUpdateTextLayerMatches = null;
+      }
+    }
+  }, {
+    key: "setTextContentStream",
+    value: function setTextContentStream(readableStream) {
+      this.cancel();
+      this.textContentStream = readableStream;
+    }
+  }, {
+    key: "setTextContent",
+    value: function setTextContent(textContent) {
+      this.cancel();
+      this.textContent = textContent;
+    }
+  }, {
+    key: "_convertMatches",
+    value: function _convertMatches(matches, matchesLength) {
+      if (!matches) {
+        return [];
+      }
+
+      var findController = this.findController,
+          textContentItemsStr = this.textContentItemsStr;
+      var i = 0,
+          iIndex = 0;
+      var end = textContentItemsStr.length - 1;
+      var queryLen = findController.state.query.length;
+      var result = [];
+
+      for (var m = 0, mm = matches.length; m < mm; m++) {
+        var matchIdx = matches[m];
+
+        while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+          iIndex += textContentItemsStr[i].length;
+          i++;
+        }
+
+        if (i === textContentItemsStr.length) {
+          console.error("Could not find a matching mapping");
+        }
+
+        var match = {
+          begin: {
+            divIdx: i,
+            offset: matchIdx - iIndex
+          }
+        };
+
+        if (matchesLength) {
+          matchIdx += matchesLength[m];
+        } else {
+          matchIdx += queryLen;
+        }
+
+        while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+          iIndex += textContentItemsStr[i].length;
+          i++;
+        }
+
+        match.end = {
+          divIdx: i,
+          offset: matchIdx - iIndex
+        };
+        result.push(match);
+      }
+
+      return result;
+    }
+  }, {
+    key: "_renderMatches",
+    value: function _renderMatches(matches) {
+      if (matches.length === 0) {
+        return;
+      }
+
+      var findController = this.findController,
+          pageIdx = this.pageIdx,
+          textContentItemsStr = this.textContentItemsStr,
+          textDivs = this.textDivs;
+      var isSelectedPage = pageIdx === findController.selected.pageIdx;
+      var selectedMatchIdx = findController.selected.matchIdx;
+      var highlightAll = findController.state.highlightAll;
+      var prevEnd = null;
+      var infinity = {
+        divIdx: -1,
+        offset: undefined
+      };
+
+      function beginText(begin, className) {
+        var divIdx = begin.divIdx;
+        textDivs[divIdx].textContent = "";
+        appendTextToDiv(divIdx, 0, begin.offset, className);
+      }
+
+      function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+        var div = textDivs[divIdx];
+        var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+        var node = document.createTextNode(content);
+
+        if (className) {
+          var span = document.createElement("span");
+          span.className = className;
+          span.appendChild(node);
+          div.appendChild(span);
+          return;
+        }
+
+        div.appendChild(node);
+      }
+
+      var i0 = selectedMatchIdx,
+          i1 = i0 + 1;
+
+      if (highlightAll) {
+        i0 = 0;
+        i1 = matches.length;
+      } else if (!isSelectedPage) {
+        return;
+      }
+
+      for (var i = i0; i < i1; i++) {
+        var match = matches[i];
+        var begin = match.begin;
+        var end = match.end;
+        var isSelected = isSelectedPage && i === selectedMatchIdx;
+        var highlightSuffix = isSelected ? " selected" : "";
+
+        if (isSelected) {
+          findController.scrollMatchIntoView({
+            element: textDivs[begin.divIdx],
+            pageIndex: pageIdx,
+            matchIndex: selectedMatchIdx
+          });
+        }
+
+        if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+          if (prevEnd !== null) {
+            appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+          }
+
+          beginText(begin);
+        } else {
+          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+        }
+
+        if (begin.divIdx === end.divIdx) {
+          appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+        } else {
+          appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+
+          for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+            textDivs[n0].className = "highlight middle" + highlightSuffix;
+          }
+
+          beginText(end, "highlight end" + highlightSuffix);
+        }
+
+        prevEnd = end;
+      }
+
+      if (prevEnd) {
+        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+      }
+    }
+  }, {
+    key: "_updateMatches",
+    value: function _updateMatches() {
+      if (!this.renderingDone) {
+        return;
+      }
+
+      var findController = this.findController,
+          matches = this.matches,
+          pageIdx = this.pageIdx,
+          textContentItemsStr = this.textContentItemsStr,
+          textDivs = this.textDivs;
+      var clearedUntilDivIdx = -1;
+
+      for (var i = 0, ii = matches.length; i < ii; i++) {
+        var match = matches[i];
+        var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+
+        for (var n = begin, end = match.end.divIdx; n <= end; n++) {
+          var div = textDivs[n];
+          div.textContent = textContentItemsStr[n];
+          div.className = "";
+        }
+
+        clearedUntilDivIdx = match.end.divIdx + 1;
+      }
+
+      if (!findController || !findController.highlightMatches) {
+        return;
+      }
+
+      var pageMatches = findController.pageMatches[pageIdx] || null;
+      var pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+      this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+
+      this._renderMatches(this.matches);
+    }
+  }, {
+    key: "_bindMouse",
+    value: function _bindMouse() {
+      var _this2 = this;
+
+      var div = this.textLayerDiv;
+      var expandDivsTimer = null;
+      div.addEventListener("mousedown", function (evt) {
+        if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
+          _this2.textLayerRenderTask.expandTextDivs(true);
+
+          if (expandDivsTimer) {
+            clearTimeout(expandDivsTimer);
+            expandDivsTimer = null;
+          }
+
+          return;
+        }
+
+        var end = div.querySelector(".endOfContent");
+
+        if (!end) {
+          return;
+        }
+
+        var adjustTop = evt.target !== div;
+        adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
+
+        if (adjustTop) {
+          var divBounds = div.getBoundingClientRect();
+          var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
+          end.style.top = (r * 100).toFixed(2) + "%";
+        }
+
+        end.classList.add("active");
+      });
+      div.addEventListener("mouseup", function () {
+        if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
+          expandDivsTimer = setTimeout(function () {
+            if (_this2.textLayerRenderTask) {
+              _this2.textLayerRenderTask.expandTextDivs(false);
+            }
+
+            expandDivsTimer = null;
+          }, EXPAND_DIVS_TIMEOUT);
+          return;
+        }
+
+        var end = div.querySelector(".endOfContent");
+
+        if (!end) {
+          return;
+        }
+
+        end.style.top = "";
+        end.classList.remove("active");
+      });
+    }
+  }]);
+
+  return TextLayerBuilder;
+}();
+
+exports.TextLayerBuilder = TextLayerBuilder;
+
+var DefaultTextLayerFactory = /*#__PURE__*/function () {
+  function DefaultTextLayerFactory() {
+    _classCallCheck(this, DefaultTextLayerFactory);
+  }
+
+  _createClass(DefaultTextLayerFactory, [{
+    key: "createTextLayerBuilder",
+    value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
+      var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+      var eventBus = arguments.length > 4 ? arguments[4] : undefined;
+      return new TextLayerBuilder({
+        textLayerDiv: textLayerDiv,
+        pageIndex: pageIndex,
+        viewport: viewport,
+        enhanceTextSelection: enhanceTextSelection,
+        eventBus: eventBus
+      });
+    }
+  }]);
+
+  return DefaultTextLayerFactory;
+}();
+
+exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DownloadManager = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _viewer_compatibility = __w_pdfjs_require__(10);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+;
+
+function _download(blobUrl, filename) {
+  var a = document.createElement("a");
+
+  if (!a.click) {
+    throw new Error('DownloadManager: "a.click()" is not supported.');
+  }
+
+  a.href = blobUrl;
+  a.target = "_parent";
+
+  if ("download" in a) {
+    a.download = filename;
+  }
+
+  (document.body || document.documentElement).appendChild(a);
+  a.click();
+  a.remove();
+}
+
+var DownloadManager = /*#__PURE__*/function () {
+  function DownloadManager() {
+    _classCallCheck(this, DownloadManager);
+  }
+
+  _createClass(DownloadManager, [{
+    key: "downloadUrl",
+    value: function downloadUrl(url, filename) {
+      if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
+        return;
+      }
+
+      _download(url + "#pdfjs.action=download", filename);
+    }
+  }, {
+    key: "downloadData",
+    value: function downloadData(data, filename, contentType) {
+      if (navigator.msSaveBlob) {
+        navigator.msSaveBlob(new Blob([data], {
+          type: contentType
+        }), filename);
+        return;
+      }
+
+      var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
+
+      _download(blobUrl, filename);
+    }
+  }, {
+    key: "download",
+    value: function download(blob, url, filename) {
+      var sourceEventType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "download";
+
+      if (navigator.msSaveBlob) {
+        if (!navigator.msSaveBlob(blob, filename)) {
+          this.downloadUrl(url, filename);
+        }
+
+        return;
+      }
+
+      if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+        this.downloadUrl(url, filename);
+        return;
+      }
+
+      var blobUrl = URL.createObjectURL(blob);
+
+      _download(blobUrl, filename);
+    }
+  }]);
+
+  return DownloadManager;
+}();
+
+exports.DownloadManager = DownloadManager;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.viewerCompatibilityParams = void 0;
+var compatibilityParams = Object.create(null);
+{
+  var userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  var platform = typeof navigator !== "undefined" && navigator.platform || "";
+  var maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
+  var isAndroid = /Android/.test(userAgent);
+  var isIE = /Trident/.test(userAgent);
+  var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+  var isIOSChrome = /CriOS/.test(userAgent);
+
+  (function checkOnBlobSupport() {
+    if (isIE || isIOSChrome) {
+      compatibilityParams.disableCreateObjectURL = true;
+    }
+  })();
+
+  (function checkCanvasSizeLimitation() {
+    if (isIOS || isAndroid) {
+      compatibilityParams.maxCanvasPixels = 5242880;
+    }
+  })();
+}
+var viewerCompatibilityParams = Object.freeze(compatibilityParams);
+exports.viewerCompatibilityParams = viewerCompatibilityParams;
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GenericL10n = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));
+
+__w_pdfjs_require__(12);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var webL10n = document.webL10n;
+
+var GenericL10n = /*#__PURE__*/function () {
+  function GenericL10n(lang) {
+    _classCallCheck(this, GenericL10n);
+
+    this._lang = lang;
+    this._ready = new Promise(function (resolve, reject) {
+      webL10n.setLanguage(lang, function () {
+        resolve(webL10n);
+      });
+    });
+  }
+
+  _createClass(GenericL10n, [{
+    key: "getLanguage",
+    value: function () {
+      var _getLanguage = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var l10n;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._ready;
+
+              case 2:
+                l10n = _context.sent;
+                return _context.abrupt("return", l10n.getLanguage());
+
+              case 4:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function getLanguage() {
+        return _getLanguage.apply(this, arguments);
+      }
+
+      return getLanguage;
+    }()
+  }, {
+    key: "getDirection",
+    value: function () {
+      var _getDirection = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
+        var l10n;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._ready;
+
+              case 2:
+                l10n = _context2.sent;
+                return _context2.abrupt("return", l10n.getDirection());
+
+              case 4:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function getDirection() {
+        return _getDirection.apply(this, arguments);
+      }
+
+      return getDirection;
+    }()
+  }, {
+    key: "get",
+    value: function () {
+      var _get = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee3(property, args, fallback) {
+        var l10n;
+        return _regenerator["default"].wrap(function _callee3$(_context3) {
+          while (1) {
+            switch (_context3.prev = _context3.next) {
+              case 0:
+                _context3.next = 2;
+                return this._ready;
+
+              case 2:
+                l10n = _context3.sent;
+                return _context3.abrupt("return", l10n.get(property, args, fallback));
+
+              case 4:
+              case "end":
+                return _context3.stop();
+            }
+          }
+        }, _callee3, this);
+      }));
+
+      function get(_x, _x2, _x3) {
+        return _get.apply(this, arguments);
+      }
+
+      return get;
+    }()
+  }, {
+    key: "translate",
+    value: function () {
+      var _translate = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee4(element) {
+        var l10n;
+        return _regenerator["default"].wrap(function _callee4$(_context4) {
+          while (1) {
+            switch (_context4.prev = _context4.next) {
+              case 0:
+                _context4.next = 2;
+                return this._ready;
+
+              case 2:
+                l10n = _context4.sent;
+                return _context4.abrupt("return", l10n.translate(element));
+
+              case 4:
+              case "end":
+                return _context4.stop();
+            }
+          }
+        }, _callee4, this);
+      }));
+
+      function translate(_x4) {
+        return _translate.apply(this, arguments);
+      }
+
+      return translate;
+    }()
+  }]);
+
+  return GenericL10n;
+}();
+
+exports.GenericL10n = GenericL10n;
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+document.webL10n = function (window, document, undefined) {
+  var gL10nData = {};
+  var gTextData = '';
+  var gTextProp = 'textContent';
+  var gLanguage = '';
+  var gMacros = {};
+  var gReadyState = 'loading';
+  var gAsyncResourceLoading = true;
+
+  function getL10nResourceLinks() {
+    return document.querySelectorAll('link[type="application/l10n"]');
+  }
+
+  function getL10nDictionary() {
+    var script = document.querySelector('script[type="application/l10n"]');
+    return script ? JSON.parse(script.innerHTML) : null;
+  }
+
+  function getTranslatableChildren(element) {
+    return element ? element.querySelectorAll('*[data-l10n-id]') : [];
+  }
+
+  function getL10nAttributes(element) {
+    if (!element) return {};
+    var l10nId = element.getAttribute('data-l10n-id');
+    var l10nArgs = element.getAttribute('data-l10n-args');
+    var args = {};
+
+    if (l10nArgs) {
+      try {
+        args = JSON.parse(l10nArgs);
+      } catch (e) {
+        console.warn('could not parse arguments for #' + l10nId);
+      }
+    }
+
+    return {
+      id: l10nId,
+      args: args
+    };
+  }
+
+  function xhrLoadText(url, onSuccess, onFailure) {
+    onSuccess = onSuccess || function _onSuccess(data) {};
+
+    onFailure = onFailure || function _onFailure() {};
+
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, gAsyncResourceLoading);
+
+    if (xhr.overrideMimeType) {
+      xhr.overrideMimeType('text/plain; charset=utf-8');
+    }
+
+    xhr.onreadystatechange = function () {
+      if (xhr.readyState == 4) {
+        if (xhr.status == 200 || xhr.status === 0) {
+          onSuccess(xhr.responseText);
+        } else {
+          onFailure();
+        }
+      }
+    };
+
+    xhr.onerror = onFailure;
+    xhr.ontimeout = onFailure;
+
+    try {
+      xhr.send(null);
+    } catch (e) {
+      onFailure();
+    }
+  }
+
+  function parseResource(href, lang, successCallback, failureCallback) {
+    var baseURL = href.replace(/[^\/]*$/, '') || './';
+
+    function evalString(text) {
+      if (text.lastIndexOf('\\') < 0) return text;
+      return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
+    }
+
+    function parseProperties(text, parsedPropertiesCallback) {
+      var dictionary = {};
+      var reBlank = /^\s*|\s*$/;
+      var reComment = /^\s*#|^\s*$/;
+      var reSection = /^\s*\[(.*)\]\s*$/;
+      var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
+      var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
+
+      function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
+        var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
+        var currentLang = '*';
+        var genericLang = lang.split('-', 1)[0];
+        var skipLang = false;
+        var match = '';
+
+        function nextEntry() {
+          while (true) {
+            if (!entries.length) {
+              parsedRawLinesCallback();
+              return;
+            }
+
+            var line = entries.shift();
+            if (reComment.test(line)) continue;
+
+            if (extendedSyntax) {
+              match = reSection.exec(line);
+
+              if (match) {
+                currentLang = match[1].toLowerCase();
+                skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
+                continue;
+              } else if (skipLang) {
+                continue;
+              }
+
+              match = reImport.exec(line);
+
+              if (match) {
+                loadImport(baseURL + match[1], nextEntry);
+                return;
+              }
+            }
+
+            var tmp = line.match(reSplit);
+
+            if (tmp && tmp.length == 3) {
+              dictionary[tmp[1]] = evalString(tmp[2]);
+            }
+          }
+        }
+
+        nextEntry();
+      }
+
+      function loadImport(url, callback) {
+        xhrLoadText(url, function (content) {
+          parseRawLines(content, false, callback);
+        }, function () {
+          console.warn(url + ' not found.');
+          callback();
+        });
+      }
+
+      parseRawLines(text, true, function () {
+        parsedPropertiesCallback(dictionary);
+      });
+    }
+
+    xhrLoadText(href, function (response) {
+      gTextData += response;
+      parseProperties(response, function (data) {
+        for (var key in data) {
+          var id,
+              prop,
+              index = key.lastIndexOf('.');
+
+          if (index > 0) {
+            id = key.substring(0, index);
+            prop = key.substring(index + 1);
+          } else {
+            id = key;
+            prop = gTextProp;
+          }
+
+          if (!gL10nData[id]) {
+            gL10nData[id] = {};
+          }
+
+          gL10nData[id][prop] = data[key];
+        }
+
+        if (successCallback) {
+          successCallback();
+        }
+      });
+    }, failureCallback);
+  }
+
+  function loadLocale(lang, callback) {
+    if (lang) {
+      lang = lang.toLowerCase();
+    }
+
+    callback = callback || function _callback() {};
+
+    clear();
+    gLanguage = lang;
+    var langLinks = getL10nResourceLinks();
+    var langCount = langLinks.length;
+
+    if (langCount === 0) {
+      var dict = getL10nDictionary();
+
+      if (dict && dict.locales && dict.default_locale) {
+        console.log('using the embedded JSON directory, early way out');
+        gL10nData = dict.locales[lang];
+
+        if (!gL10nData) {
+          var defaultLocale = dict.default_locale.toLowerCase();
+
+          for (var anyCaseLang in dict.locales) {
+            anyCaseLang = anyCaseLang.toLowerCase();
+
+            if (anyCaseLang === lang) {
+              gL10nData = dict.locales[lang];
+              break;
+            } else if (anyCaseLang === defaultLocale) {
+              gL10nData = dict.locales[defaultLocale];
+            }
+          }
+        }
+
+        callback();
+      } else {
+        console.log('no resource to load, early way out');
+      }
+
+      gReadyState = 'complete';
+      return;
+    }
+
+    var onResourceLoaded = null;
+    var gResourceCount = 0;
+
+    onResourceLoaded = function onResourceLoaded() {
+      gResourceCount++;
+
+      if (gResourceCount >= langCount) {
+        callback();
+        gReadyState = 'complete';
+      }
+    };
+
+    function L10nResourceLink(link) {
+      var href = link.href;
+
+      this.load = function (lang, callback) {
+        parseResource(href, lang, callback, function () {
+          console.warn(href + ' not found.');
+          console.warn('"' + lang + '" resource not found');
+          gLanguage = '';
+          callback();
+        });
+      };
+    }
+
+    for (var i = 0; i < langCount; i++) {
+      var resource = new L10nResourceLink(langLinks[i]);
+      resource.load(lang, onResourceLoaded);
+    }
+  }
+
+  function clear() {
+    gL10nData = {};
+    gTextData = '';
+    gLanguage = '';
+  }
+
+  function getPluralRules(lang) {
+    var locales2rules = {
+      'af': 3,
+      'ak': 4,
+      'am': 4,
+      'ar': 1,
+      'asa': 3,
+      'az': 0,
+      'be': 11,
+      'bem': 3,
+      'bez': 3,
+      'bg': 3,
+      'bh': 4,
+      'bm': 0,
+      'bn': 3,
+      'bo': 0,
+      'br': 20,
+      'brx': 3,
+      'bs': 11,
+      'ca': 3,
+      'cgg': 3,
+      'chr': 3,
+      'cs': 12,
+      'cy': 17,
+      'da': 3,
+      'de': 3,
+      'dv': 3,
+      'dz': 0,
+      'ee': 3,
+      'el': 3,
+      'en': 3,
+      'eo': 3,
+      'es': 3,
+      'et': 3,
+      'eu': 3,
+      'fa': 0,
+      'ff': 5,
+      'fi': 3,
+      'fil': 4,
+      'fo': 3,
+      'fr': 5,
+      'fur': 3,
+      'fy': 3,
+      'ga': 8,
+      'gd': 24,
+      'gl': 3,
+      'gsw': 3,
+      'gu': 3,
+      'guw': 4,
+      'gv': 23,
+      'ha': 3,
+      'haw': 3,
+      'he': 2,
+      'hi': 4,
+      'hr': 11,
+      'hu': 0,
+      'id': 0,
+      'ig': 0,
+      'ii': 0,
+      'is': 3,
+      'it': 3,
+      'iu': 7,
+      'ja': 0,
+      'jmc': 3,
+      'jv': 0,
+      'ka': 0,
+      'kab': 5,
+      'kaj': 3,
+      'kcg': 3,
+      'kde': 0,
+      'kea': 0,
+      'kk': 3,
+      'kl': 3,
+      'km': 0,
+      'kn': 0,
+      'ko': 0,
+      'ksb': 3,
+      'ksh': 21,
+      'ku': 3,
+      'kw': 7,
+      'lag': 18,
+      'lb': 3,
+      'lg': 3,
+      'ln': 4,
+      'lo': 0,
+      'lt': 10,
+      'lv': 6,
+      'mas': 3,
+      'mg': 4,
+      'mk': 16,
+      'ml': 3,
+      'mn': 3,
+      'mo': 9,
+      'mr': 3,
+      'ms': 0,
+      'mt': 15,
+      'my': 0,
+      'nah': 3,
+      'naq': 7,
+      'nb': 3,
+      'nd': 3,
+      'ne': 3,
+      'nl': 3,
+      'nn': 3,
+      'no': 3,
+      'nr': 3,
+      'nso': 4,
+      'ny': 3,
+      'nyn': 3,
+      'om': 3,
+      'or': 3,
+      'pa': 3,
+      'pap': 3,
+      'pl': 13,
+      'ps': 3,
+      'pt': 3,
+      'rm': 3,
+      'ro': 9,
+      'rof': 3,
+      'ru': 11,
+      'rwk': 3,
+      'sah': 0,
+      'saq': 3,
+      'se': 7,
+      'seh': 3,
+      'ses': 0,
+      'sg': 0,
+      'sh': 11,
+      'shi': 19,
+      'sk': 12,
+      'sl': 14,
+      'sma': 7,
+      'smi': 7,
+      'smj': 7,
+      'smn': 7,
+      'sms': 7,
+      'sn': 3,
+      'so': 3,
+      'sq': 3,
+      'sr': 11,
+      'ss': 3,
+      'ssy': 3,
+      'st': 3,
+      'sv': 3,
+      'sw': 3,
+      'syr': 3,
+      'ta': 3,
+      'te': 3,
+      'teo': 3,
+      'th': 0,
+      'ti': 4,
+      'tig': 3,
+      'tk': 3,
+      'tl': 4,
+      'tn': 3,
+      'to': 0,
+      'tr': 0,
+      'ts': 3,
+      'tzm': 22,
+      'uk': 11,
+      'ur': 3,
+      've': 3,
+      'vi': 0,
+      'vun': 3,
+      'wa': 4,
+      'wae': 3,
+      'wo': 0,
+      'xh': 3,
+      'xog': 3,
+      'yo': 0,
+      'zh': 0,
+      'zu': 3
+    };
+
+    function isIn(n, list) {
+      return list.indexOf(n) !== -1;
+    }
+
+    function isBetween(n, start, end) {
+      return start <= n && n <= end;
+    }
+
+    var pluralRules = {
+      '0': function _(n) {
+        return 'other';
+      },
+      '1': function _(n) {
+        if (isBetween(n % 100, 3, 10)) return 'few';
+        if (n === 0) return 'zero';
+        if (isBetween(n % 100, 11, 99)) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '2': function _(n) {
+        if (n !== 0 && n % 10 === 0) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '3': function _(n) {
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '4': function _(n) {
+        if (isBetween(n, 0, 1)) return 'one';
+        return 'other';
+      },
+      '5': function _(n) {
+        if (isBetween(n, 0, 2) && n != 2) return 'one';
+        return 'other';
+      },
+      '6': function _(n) {
+        if (n === 0) return 'zero';
+        if (n % 10 == 1 && n % 100 != 11) return 'one';
+        return 'other';
+      },
+      '7': function _(n) {
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '8': function _(n) {
+        if (isBetween(n, 3, 6)) return 'few';
+        if (isBetween(n, 7, 10)) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '9': function _(n) {
+        if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '10': function _(n) {
+        if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
+        if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
+        return 'other';
+      },
+      '11': function _(n) {
+        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
+        if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
+        if (n % 10 == 1 && n % 100 != 11) return 'one';
+        return 'other';
+      },
+      '12': function _(n) {
+        if (isBetween(n, 2, 4)) return 'few';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '13': function _(n) {
+        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
+        if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '14': function _(n) {
+        if (isBetween(n % 100, 3, 4)) return 'few';
+        if (n % 100 == 2) return 'two';
+        if (n % 100 == 1) return 'one';
+        return 'other';
+      },
+      '15': function _(n) {
+        if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
+        if (isBetween(n % 100, 11, 19)) return 'many';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '16': function _(n) {
+        if (n % 10 == 1 && n != 11) return 'one';
+        return 'other';
+      },
+      '17': function _(n) {
+        if (n == 3) return 'few';
+        if (n === 0) return 'zero';
+        if (n == 6) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '18': function _(n) {
+        if (n === 0) return 'zero';
+        if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
+        return 'other';
+      },
+      '19': function _(n) {
+        if (isBetween(n, 2, 10)) return 'few';
+        if (isBetween(n, 0, 1)) return 'one';
+        return 'other';
+      },
+      '20': function _(n) {
+        if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
+        if (n % 1000000 === 0 && n !== 0) return 'many';
+        if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
+        if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
+        return 'other';
+      },
+      '21': function _(n) {
+        if (n === 0) return 'zero';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '22': function _(n) {
+        if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
+        return 'other';
+      },
+      '23': function _(n) {
+        if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
+        return 'other';
+      },
+      '24': function _(n) {
+        if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
+        if (isIn(n, [2, 12])) return 'two';
+        if (isIn(n, [1, 11])) return 'one';
+        return 'other';
+      }
+    };
+    var index = locales2rules[lang.replace(/-.*$/, '')];
+
+    if (!(index in pluralRules)) {
+      console.warn('plural form unknown for [' + lang + ']');
+      return function () {
+        return 'other';
+      };
+    }
+
+    return pluralRules[index];
+  }
+
+  gMacros.plural = function (str, param, key, prop) {
+    var n = parseFloat(param);
+    if (isNaN(n)) return str;
+    if (prop != gTextProp) return str;
+
+    if (!gMacros._pluralRules) {
+      gMacros._pluralRules = getPluralRules(gLanguage);
+    }
+
+    var index = '[' + gMacros._pluralRules(n) + ']';
+
+    if (n === 0 && key + '[zero]' in gL10nData) {
+      str = gL10nData[key + '[zero]'][prop];
+    } else if (n == 1 && key + '[one]' in gL10nData) {
+      str = gL10nData[key + '[one]'][prop];
+    } else if (n == 2 && key + '[two]' in gL10nData) {
+      str = gL10nData[key + '[two]'][prop];
+    } else if (key + index in gL10nData) {
+      str = gL10nData[key + index][prop];
+    } else if (key + '[other]' in gL10nData) {
+      str = gL10nData[key + '[other]'][prop];
+    }
+
+    return str;
+  };
+
+  function getL10nData(key, args, fallback) {
+    var data = gL10nData[key];
+
+    if (!data) {
+      console.warn('#' + key + ' is undefined.');
+
+      if (!fallback) {
+        return null;
+      }
+
+      data = fallback;
+    }
+
+    var rv = {};
+
+    for (var prop in data) {
+      var str = data[prop];
+      str = substIndexes(str, args, key, prop);
+      str = substArguments(str, args, key);
+      rv[prop] = str;
+    }
+
+    return rv;
+  }
+
+  function substIndexes(str, args, key, prop) {
+    var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
+    var reMatch = reIndex.exec(str);
+    if (!reMatch || !reMatch.length) return str;
+    var macroName = reMatch[1];
+    var paramName = reMatch[2];
+    var param;
+
+    if (args && paramName in args) {
+      param = args[paramName];
+    } else if (paramName in gL10nData) {
+      param = gL10nData[paramName];
+    }
+
+    if (macroName in gMacros) {
+      var macro = gMacros[macroName];
+      str = macro(str, param, key, prop);
+    }
+
+    return str;
+  }
+
+  function substArguments(str, args, key) {
+    var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
+    return str.replace(reArgs, function (matched_text, arg) {
+      if (args && arg in args) {
+        return args[arg];
+      }
+
+      if (arg in gL10nData) {
+        return gL10nData[arg];
+      }
+
+      console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
+      return matched_text;
+    });
+  }
+
+  function translateElement(element) {
+    var l10n = getL10nAttributes(element);
+    if (!l10n.id) return;
+    var data = getL10nData(l10n.id, l10n.args);
+
+    if (!data) {
+      console.warn('#' + l10n.id + ' is undefined.');
+      return;
+    }
+
+    if (data[gTextProp]) {
+      if (getChildElementCount(element) === 0) {
+        element[gTextProp] = data[gTextProp];
+      } else {
+        var children = element.childNodes;
+        var found = false;
+
+        for (var i = 0, l = children.length; i < l; i++) {
+          if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
+            if (found) {
+              children[i].nodeValue = '';
+            } else {
+              children[i].nodeValue = data[gTextProp];
+              found = true;
+            }
+          }
+        }
+
+        if (!found) {
+          var textNode = document.createTextNode(data[gTextProp]);
+          element.insertBefore(textNode, element.firstChild);
+        }
+      }
+
+      delete data[gTextProp];
+    }
+
+    for (var k in data) {
+      element[k] = data[k];
+    }
+  }
+
+  function getChildElementCount(element) {
+    if (element.children) {
+      return element.children.length;
+    }
+
+    if (typeof element.childElementCount !== 'undefined') {
+      return element.childElementCount;
+    }
+
+    var count = 0;
+
+    for (var i = 0; i < element.childNodes.length; i++) {
+      count += element.nodeType === 1 ? 1 : 0;
+    }
+
+    return count;
+  }
+
+  function translateFragment(element) {
+    element = element || document.documentElement;
+    var children = getTranslatableChildren(element);
+    var elementCount = children.length;
+
+    for (var i = 0; i < elementCount; i++) {
+      translateElement(children[i]);
+    }
+
+    translateElement(element);
+  }
+
+  return {
+    get: function get(key, args, fallbackString) {
+      var index = key.lastIndexOf('.');
+      var prop = gTextProp;
+
+      if (index > 0) {
+        prop = key.substring(index + 1);
+        key = key.substring(0, index);
+      }
+
+      var fallback;
+
+      if (fallbackString) {
+        fallback = {};
+        fallback[prop] = fallbackString;
+      }
+
+      var data = getL10nData(key, args, fallback);
+
+      if (data && prop in data) {
+        return data[prop];
+      }
+
+      return '{{' + key + '}}';
+    },
+    getData: function getData() {
+      return gL10nData;
+    },
+    getText: function getText() {
+      return gTextData;
+    },
+    getLanguage: function getLanguage() {
+      return gLanguage;
+    },
+    setLanguage: function setLanguage(lang, callback) {
+      loadLocale(lang, function () {
+        if (callback) callback();
+      });
+    },
+    getDirection: function getDirection() {
+      var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
+      var shortCode = gLanguage.split('-', 1)[0];
+      return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
+    },
+    translate: translateFragment,
+    getReadyState: function getReadyState() {
+      return gReadyState;
+    },
+    ready: function ready(callback) {
+      if (!callback) {
+        return;
+      } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
+        window.setTimeout(function () {
+          callback();
+        });
+      } else if (document.addEventListener) {
+        document.addEventListener('localized', function once() {
+          document.removeEventListener('localized', once);
+          callback();
+        });
+      }
+    }
+  };
+}(window, document);
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFindController = exports.FindState = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_find_utils = __w_pdfjs_require__(14);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var FindState = {
+  FOUND: 0,
+  NOT_FOUND: 1,
+  WRAPPED: 2,
+  PENDING: 3
+};
+exports.FindState = FindState;
+var FIND_TIMEOUT = 250;
+var MATCH_SCROLL_OFFSET_TOP = -50;
+var MATCH_SCROLL_OFFSET_LEFT = -400;
+var CHARACTERS_TO_NORMALIZE = {
+  "\u2018": "'",
+  "\u2019": "'",
+  "\u201A": "'",
+  "\u201B": "'",
+  "\u201C": '"',
+  "\u201D": '"',
+  "\u201E": '"',
+  "\u201F": '"',
+  "\xBC": "1/4",
+  "\xBD": "1/2",
+  "\xBE": "3/4"
+};
+var normalizationRegex = null;
+
+function normalize(text) {
+  if (!normalizationRegex) {
+    var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+    normalizationRegex = new RegExp("[".concat(replace, "]"), "g");
+  }
+
+  return text.replace(normalizationRegex, function (ch) {
+    return CHARACTERS_TO_NORMALIZE[ch];
+  });
+}
+
+var PDFFindController = /*#__PURE__*/function () {
+  function PDFFindController(_ref) {
+    var linkService = _ref.linkService,
+        eventBus = _ref.eventBus;
+
+    _classCallCheck(this, PDFFindController);
+
+    this._linkService = linkService;
+    this._eventBus = eventBus;
+
+    this._reset();
+
+    eventBus._on("findbarclose", this._onFindBarClose.bind(this));
+  }
+
+  _createClass(PDFFindController, [{
+    key: "setDocument",
+    value: function setDocument(pdfDocument) {
+      if (this._pdfDocument) {
+        this._reset();
+      }
+
+      if (!pdfDocument) {
+        return;
+      }
+
+      this._pdfDocument = pdfDocument;
+
+      this._firstPageCapability.resolve();
+    }
+  }, {
+    key: "executeCommand",
+    value: function executeCommand(cmd, state) {
+      var _this = this;
+
+      if (!state) {
+        return;
+      }
+
+      var pdfDocument = this._pdfDocument;
+
+      if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
+        this._dirtyMatch = true;
+      }
+
+      this._state = state;
+
+      if (cmd !== "findhighlightallchange") {
+        this._updateUIState(FindState.PENDING);
+      }
+
+      this._firstPageCapability.promise.then(function () {
+        if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
+          return;
+        }
+
+        _this._extractText();
+
+        var findbarClosed = !_this._highlightMatches;
+        var pendingTimeout = !!_this._findTimeout;
+
+        if (_this._findTimeout) {
+          clearTimeout(_this._findTimeout);
+          _this._findTimeout = null;
+        }
+
+        if (cmd === "find") {
+          _this._findTimeout = setTimeout(function () {
+            _this._nextMatch();
+
+            _this._findTimeout = null;
+          }, FIND_TIMEOUT);
+        } else if (_this._dirtyMatch) {
+          _this._nextMatch();
+        } else if (cmd === "findagain") {
+          _this._nextMatch();
+
+          if (findbarClosed && _this._state.highlightAll) {
+            _this._updateAllPages();
+          }
+        } else if (cmd === "findhighlightallchange") {
+          if (pendingTimeout) {
+            _this._nextMatch();
+          } else {
+            _this._highlightMatches = true;
+          }
+
+          _this._updateAllPages();
+        } else {
+          _this._nextMatch();
+        }
+      });
+    }
+  }, {
+    key: "scrollMatchIntoView",
+    value: function scrollMatchIntoView(_ref2) {
+      var _ref2$element = _ref2.element,
+          element = _ref2$element === void 0 ? null : _ref2$element,
+          _ref2$pageIndex = _ref2.pageIndex,
+          pageIndex = _ref2$pageIndex === void 0 ? -1 : _ref2$pageIndex,
+          _ref2$matchIndex = _ref2.matchIndex,
+          matchIndex = _ref2$matchIndex === void 0 ? -1 : _ref2$matchIndex;
+
+      if (!this._scrollMatches || !element) {
+        return;
+      } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+        return;
+      } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+        return;
+      }
+
+      this._scrollMatches = false;
+      var spot = {
+        top: MATCH_SCROLL_OFFSET_TOP,
+        left: MATCH_SCROLL_OFFSET_LEFT
+      };
+      (0, _ui_utils.scrollIntoView)(element, spot, true);
+    }
+  }, {
+    key: "_reset",
+    value: function _reset() {
+      this._highlightMatches = false;
+      this._scrollMatches = false;
+      this._pdfDocument = null;
+      this._pageMatches = [];
+      this._pageMatchesLength = [];
+      this._state = null;
+      this._selected = {
+        pageIdx: -1,
+        matchIdx: -1
+      };
+      this._offset = {
+        pageIdx: null,
+        matchIdx: null,
+        wrapped: false
+      };
+      this._extractTextPromises = [];
+      this._pageContents = [];
+      this._matchesCountTotal = 0;
+      this._pagesToSearch = null;
+      this._pendingFindMatches = Object.create(null);
+      this._resumePageIdx = null;
+      this._dirtyMatch = false;
+      clearTimeout(this._findTimeout);
+      this._findTimeout = null;
+      this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
+    }
+  }, {
+    key: "_shouldDirtyMatch",
+    value: function _shouldDirtyMatch(cmd, state) {
+      if (state.query !== this._state.query) {
+        return true;
+      }
+
+      switch (cmd) {
+        case "findagain":
+          var pageNumber = this._selected.pageIdx + 1;
+          var linkService = this._linkService;
+
+          if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
+            return true;
+          }
+
+          return false;
+
+        case "findhighlightallchange":
+          return false;
+      }
+
+      return true;
+    }
+  }, {
+    key: "_prepareMatches",
+    value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
+      function isSubTerm(currentIndex) {
+        var currentElem = matchesWithLength[currentIndex];
+        var nextElem = matchesWithLength[currentIndex + 1];
+
+        if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
+          currentElem.skipped = true;
+          return true;
+        }
+
+        for (var i = currentIndex - 1; i >= 0; i--) {
+          var prevElem = matchesWithLength[i];
+
+          if (prevElem.skipped) {
+            continue;
+          }
+
+          if (prevElem.match + prevElem.matchLength < currentElem.match) {
+            break;
+          }
+
+          if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
+            currentElem.skipped = true;
+            return true;
+          }
+        }
+
+        return false;
+      }
+
+      matchesWithLength.sort(function (a, b) {
+        return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
+      });
+
+      for (var i = 0, len = matchesWithLength.length; i < len; i++) {
+        if (isSubTerm(i)) {
+          continue;
+        }
+
+        matches.push(matchesWithLength[i].match);
+        matchesLength.push(matchesWithLength[i].matchLength);
+      }
+    }
+  }, {
+    key: "_isEntireWord",
+    value: function _isEntireWord(content, startIdx, length) {
+      if (startIdx > 0) {
+        var first = content.charCodeAt(startIdx);
+        var limit = content.charCodeAt(startIdx - 1);
+
+        if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
+          return false;
+        }
+      }
+
+      var endIdx = startIdx + length - 1;
+
+      if (endIdx < content.length - 1) {
+        var last = content.charCodeAt(endIdx);
+
+        var _limit = content.charCodeAt(endIdx + 1);
+
+        if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  }, {
+    key: "_calculatePhraseMatch",
+    value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
+      var matches = [];
+      var queryLen = query.length;
+      var matchIdx = -queryLen;
+
+      while (true) {
+        matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
+
+        if (matchIdx === -1) {
+          break;
+        }
+
+        if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
+          continue;
+        }
+
+        matches.push(matchIdx);
+      }
+
+      this._pageMatches[pageIndex] = matches;
+    }
+  }, {
+    key: "_calculateWordMatch",
+    value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
+      var matchesWithLength = [];
+      var queryArray = query.match(/\S+/g);
+
+      for (var i = 0, len = queryArray.length; i < len; i++) {
+        var subquery = queryArray[i];
+        var subqueryLen = subquery.length;
+        var matchIdx = -subqueryLen;
+
+        while (true) {
+          matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
+
+          if (matchIdx === -1) {
+            break;
+          }
+
+          if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
+            continue;
+          }
+
+          matchesWithLength.push({
+            match: matchIdx,
+            matchLength: subqueryLen,
+            skipped: false
+          });
+        }
+      }
+
+      this._pageMatchesLength[pageIndex] = [];
+      this._pageMatches[pageIndex] = [];
+
+      this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
+    }
+  }, {
+    key: "_calculateMatch",
+    value: function _calculateMatch(pageIndex) {
+      var pageContent = this._pageContents[pageIndex];
+      var query = this._query;
+      var _this$_state = this._state,
+          caseSensitive = _this$_state.caseSensitive,
+          entireWord = _this$_state.entireWord,
+          phraseSearch = _this$_state.phraseSearch;
+
+      if (query.length === 0) {
+        return;
+      }
+
+      if (!caseSensitive) {
+        pageContent = pageContent.toLowerCase();
+        query = query.toLowerCase();
+      }
+
+      if (phraseSearch) {
+        this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
+      } else {
+        this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
+      }
+
+      if (this._state.highlightAll) {
+        this._updatePage(pageIndex);
+      }
+
+      if (this._resumePageIdx === pageIndex) {
+        this._resumePageIdx = null;
+
+        this._nextPageMatch();
+      }
+
+      var pageMatchesCount = this._pageMatches[pageIndex].length;
+
+      if (pageMatchesCount > 0) {
+        this._matchesCountTotal += pageMatchesCount;
+
+        this._updateUIResultsCount();
+      }
+    }
+  }, {
+    key: "_extractText",
+    value: function _extractText() {
+      var _this2 = this;
+
+      if (this._extractTextPromises.length > 0) {
+        return;
+      }
+
+      var promise = Promise.resolve();
+
+      var _loop = function _loop(i, ii) {
+        var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
+        _this2._extractTextPromises[i] = extractTextCapability.promise;
+        promise = promise.then(function () {
+          return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
+            return pdfPage.getTextContent({
+              normalizeWhitespace: true
+            });
+          }).then(function (textContent) {
+            var textItems = textContent.items;
+            var strBuf = [];
+
+            for (var j = 0, jj = textItems.length; j < jj; j++) {
+              strBuf.push(textItems[j].str);
+            }
+
+            _this2._pageContents[i] = normalize(strBuf.join(""));
+            extractTextCapability.resolve(i);
+          }, function (reason) {
+            console.error("Unable to get text content for page ".concat(i + 1), reason);
+            _this2._pageContents[i] = "";
+            extractTextCapability.resolve(i);
+          });
+        });
+      };
+
+      for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+        _loop(i, ii);
+      }
+    }
+  }, {
+    key: "_updatePage",
+    value: function _updatePage(index) {
+      if (this._scrollMatches && this._selected.pageIdx === index) {
+        this._linkService.page = index + 1;
+      }
+
+      this._eventBus.dispatch("updatetextlayermatches", {
+        source: this,
+        pageIndex: index
+      });
+    }
+  }, {
+    key: "_updateAllPages",
+    value: function _updateAllPages() {
+      this._eventBus.dispatch("updatetextlayermatches", {
+        source: this,
+        pageIndex: -1
+      });
+    }
+  }, {
+    key: "_nextMatch",
+    value: function _nextMatch() {
+      var _this3 = this;
+
+      var previous = this._state.findPrevious;
+      var currentPageIndex = this._linkService.page - 1;
+      var numPages = this._linkService.pagesCount;
+      this._highlightMatches = true;
+
+      if (this._dirtyMatch) {
+        this._dirtyMatch = false;
+        this._selected.pageIdx = this._selected.matchIdx = -1;
+        this._offset.pageIdx = currentPageIndex;
+        this._offset.matchIdx = null;
+        this._offset.wrapped = false;
+        this._resumePageIdx = null;
+        this._pageMatches.length = 0;
+        this._pageMatchesLength.length = 0;
+        this._matchesCountTotal = 0;
+
+        this._updateAllPages();
+
+        for (var i = 0; i < numPages; i++) {
+          if (this._pendingFindMatches[i] === true) {
+            continue;
+          }
+
+          this._pendingFindMatches[i] = true;
+
+          this._extractTextPromises[i].then(function (pageIdx) {
+            delete _this3._pendingFindMatches[pageIdx];
+
+            _this3._calculateMatch(pageIdx);
+          });
+        }
+      }
+
+      if (this._query === "") {
+        this._updateUIState(FindState.FOUND);
+
+        return;
+      }
+
+      if (this._resumePageIdx) {
+        return;
+      }
+
+      var offset = this._offset;
+      this._pagesToSearch = numPages;
+
+      if (offset.matchIdx !== null) {
+        var numPageMatches = this._pageMatches[offset.pageIdx].length;
+
+        if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+          offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+
+          this._updateMatch(true);
+
+          return;
+        }
+
+        this._advanceOffsetPage(previous);
+      }
+
+      this._nextPageMatch();
+    }
+  }, {
+    key: "_matchesReady",
+    value: function _matchesReady(matches) {
+      var offset = this._offset;
+      var numMatches = matches.length;
+      var previous = this._state.findPrevious;
+
+      if (numMatches) {
+        offset.matchIdx = previous ? numMatches - 1 : 0;
+
+        this._updateMatch(true);
+
+        return true;
+      }
+
+      this._advanceOffsetPage(previous);
+
+      if (offset.wrapped) {
+        offset.matchIdx = null;
+
+        if (this._pagesToSearch < 0) {
+          this._updateMatch(false);
+
+          return true;
+        }
+      }
+
+      return false;
+    }
+  }, {
+    key: "_nextPageMatch",
+    value: function _nextPageMatch() {
+      if (this._resumePageIdx !== null) {
+        console.error("There can only be one pending page.");
+      }
+
+      var matches = null;
+
+      do {
+        var pageIdx = this._offset.pageIdx;
+        matches = this._pageMatches[pageIdx];
+
+        if (!matches) {
+          this._resumePageIdx = pageIdx;
+          break;
+        }
+      } while (!this._matchesReady(matches));
+    }
+  }, {
+    key: "_advanceOffsetPage",
+    value: function _advanceOffsetPage(previous) {
+      var offset = this._offset;
+      var numPages = this._linkService.pagesCount;
+      offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+      offset.matchIdx = null;
+      this._pagesToSearch--;
+
+      if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+        offset.pageIdx = previous ? numPages - 1 : 0;
+        offset.wrapped = true;
+      }
+    }
+  }, {
+    key: "_updateMatch",
+    value: function _updateMatch() {
+      var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var state = FindState.NOT_FOUND;
+      var wrapped = this._offset.wrapped;
+      this._offset.wrapped = false;
+
+      if (found) {
+        var previousPage = this._selected.pageIdx;
+        this._selected.pageIdx = this._offset.pageIdx;
+        this._selected.matchIdx = this._offset.matchIdx;
+        state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+
+        if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+          this._updatePage(previousPage);
+        }
+      }
+
+      this._updateUIState(state, this._state.findPrevious);
+
+      if (this._selected.pageIdx !== -1) {
+        this._scrollMatches = true;
+
+        this._updatePage(this._selected.pageIdx);
+      }
+    }
+  }, {
+    key: "_onFindBarClose",
+    value: function _onFindBarClose(evt) {
+      var _this4 = this;
+
+      var pdfDocument = this._pdfDocument;
+
+      this._firstPageCapability.promise.then(function () {
+        if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
+          return;
+        }
+
+        if (_this4._findTimeout) {
+          clearTimeout(_this4._findTimeout);
+          _this4._findTimeout = null;
+        }
+
+        if (_this4._resumePageIdx) {
+          _this4._resumePageIdx = null;
+          _this4._dirtyMatch = true;
+        }
+
+        _this4._updateUIState(FindState.FOUND);
+
+        _this4._highlightMatches = false;
+
+        _this4._updateAllPages();
+      });
+    }
+  }, {
+    key: "_requestMatchesCount",
+    value: function _requestMatchesCount() {
+      var _this$_selected = this._selected,
+          pageIdx = _this$_selected.pageIdx,
+          matchIdx = _this$_selected.matchIdx;
+      var current = 0,
+          total = this._matchesCountTotal;
+
+      if (matchIdx !== -1) {
+        for (var i = 0; i < pageIdx; i++) {
+          current += this._pageMatches[i] && this._pageMatches[i].length || 0;
+        }
+
+        current += matchIdx + 1;
+      }
+
+      if (current < 1 || current > total) {
+        current = total = 0;
+      }
+
+      return {
+        current: current,
+        total: total
+      };
+    }
+  }, {
+    key: "_updateUIResultsCount",
+    value: function _updateUIResultsCount() {
+      this._eventBus.dispatch("updatefindmatchescount", {
+        source: this,
+        matchesCount: this._requestMatchesCount()
+      });
+    }
+  }, {
+    key: "_updateUIState",
+    value: function _updateUIState(state, previous) {
+      this._eventBus.dispatch("updatefindcontrolstate", {
+        source: this,
+        state: state,
+        previous: previous,
+        matchesCount: this._requestMatchesCount(),
+        rawQuery: this._state ? this._state.query : null
+      });
+    }
+  }, {
+    key: "highlightMatches",
+    get: function get() {
+      return this._highlightMatches;
+    }
+  }, {
+    key: "pageMatches",
+    get: function get() {
+      return this._pageMatches;
+    }
+  }, {
+    key: "pageMatchesLength",
+    get: function get() {
+      return this._pageMatchesLength;
+    }
+  }, {
+    key: "selected",
+    get: function get() {
+      return this._selected;
+    }
+  }, {
+    key: "state",
+    get: function get() {
+      return this._state;
+    }
+  }, {
+    key: "_query",
+    get: function get() {
+      if (this._state.query !== this._rawQuery) {
+        this._rawQuery = this._state.query;
+        this._normalizedQuery = normalize(this._state.query);
+      }
+
+      return this._normalizedQuery;
+    }
+  }]);
+
+  return PDFFindController;
+}();
+
+exports.PDFFindController = PDFFindController;
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getCharacterType = getCharacterType;
+exports.CharacterType = void 0;
+var CharacterType = {
+  SPACE: 0,
+  ALPHA_LETTER: 1,
+  PUNCT: 2,
+  HAN_LETTER: 3,
+  KATAKANA_LETTER: 4,
+  HIRAGANA_LETTER: 5,
+  HALFWIDTH_KATAKANA_LETTER: 6,
+  THAI_LETTER: 7
+};
+exports.CharacterType = CharacterType;
+
+function isAlphabeticalScript(charCode) {
+  return charCode < 0x2e80;
+}
+
+function isAscii(charCode) {
+  return (charCode & 0xff80) === 0;
+}
+
+function isAsciiAlpha(charCode) {
+  return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+
+function isAsciiDigit(charCode) {
+  return charCode >= 0x30 && charCode <= 0x39;
+}
+
+function isAsciiSpace(charCode) {
+  return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+
+function isHan(charCode) {
+  return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+
+function isKatakana(charCode) {
+  return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+
+function isHiragana(charCode) {
+  return charCode >= 0x3040 && charCode <= 0x309f;
+}
+
+function isHalfwidthKatakana(charCode) {
+  return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+
+function isThai(charCode) {
+  return (charCode & 0xff80) === 0x0e00;
+}
+
+function getCharacterType(charCode) {
+  if (isAlphabeticalScript(charCode)) {
+    if (isAscii(charCode)) {
+      if (isAsciiSpace(charCode)) {
+        return CharacterType.SPACE;
+      } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+        return CharacterType.ALPHA_LETTER;
+      }
+
+      return CharacterType.PUNCT;
+    } else if (isThai(charCode)) {
+      return CharacterType.THAI_LETTER;
+    } else if (charCode === 0xa0) {
+      return CharacterType.SPACE;
+    }
+
+    return CharacterType.ALPHA_LETTER;
+  }
+
+  if (isHan(charCode)) {
+    return CharacterType.HAN_LETTER;
+  } else if (isKatakana(charCode)) {
+    return CharacterType.KATAKANA_LETTER;
+  } else if (isHiragana(charCode)) {
+    return CharacterType.HIRAGANA_LETTER;
+  } else if (isHalfwidthKatakana(charCode)) {
+    return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+  }
+
+  return CharacterType.ALPHA_LETTER;
+}
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isDestHashesEqual = isDestHashesEqual;
+exports.isDestArraysEqual = isDestArraysEqual;
+exports.PDFHistory = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var HASH_CHANGE_TIMEOUT = 1000;
+var POSITION_UPDATED_THRESHOLD = 50;
+var UPDATE_VIEWAREA_TIMEOUT = 1000;
+
+function getCurrentHash() {
+  return document.location.hash;
+}
+
+var PDFHistory = /*#__PURE__*/function () {
+  function PDFHistory(_ref) {
+    var _this = this;
+
+    var linkService = _ref.linkService,
+        eventBus = _ref.eventBus;
+
+    _classCallCheck(this, PDFHistory);
+
+    this.linkService = linkService;
+    this.eventBus = eventBus;
+    this._initialized = false;
+    this._fingerprint = "";
+    this.reset();
+    this._boundEvents = null;
+    this._isViewerInPresentationMode = false;
+
+    this.eventBus._on("presentationmodechanged", function (evt) {
+      _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
+    });
+
+    this.eventBus._on("pagesinit", function () {
+      _this._isPagesLoaded = false;
+
+      var onPagesLoaded = function onPagesLoaded(evt) {
+        _this.eventBus._off("pagesloaded", onPagesLoaded);
+
+        _this._isPagesLoaded = !!evt.pagesCount;
+      };
+
+      _this.eventBus._on("pagesloaded", onPagesLoaded);
+    });
+  }
+
+  _createClass(PDFHistory, [{
+    key: "initialize",
+    value: function initialize(_ref2) {
+      var fingerprint = _ref2.fingerprint,
+          _ref2$resetHistory = _ref2.resetHistory,
+          resetHistory = _ref2$resetHistory === void 0 ? false : _ref2$resetHistory,
+          _ref2$updateUrl = _ref2.updateUrl,
+          updateUrl = _ref2$updateUrl === void 0 ? false : _ref2$updateUrl;
+
+      if (!fingerprint || typeof fingerprint !== "string") {
+        console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+        return;
+      }
+
+      if (this._initialized) {
+        this.reset();
+      }
+
+      var reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+      this._fingerprint = fingerprint;
+      this._updateUrl = updateUrl === true;
+      this._initialized = true;
+
+      this._bindEvents();
+
+      var state = window.history.state;
+      this._popStateInProgress = false;
+      this._blockHashChange = 0;
+      this._currentHash = getCurrentHash();
+      this._numPositionUpdates = 0;
+      this._uid = this._maxUid = 0;
+      this._destination = null;
+      this._position = null;
+
+      if (!this._isValidState(state, true) || resetHistory) {
+        var _this$_parseCurrentHa = this._parseCurrentHash(true),
+            hash = _this$_parseCurrentHa.hash,
+            page = _this$_parseCurrentHa.page,
+            rotation = _this$_parseCurrentHa.rotation;
+
+        if (!hash || reInitialized || resetHistory) {
+          this._pushOrReplaceState(null, true);
+
+          return;
+        }
+
+        this._pushOrReplaceState({
+          hash: hash,
+          page: page,
+          rotation: rotation
+        }, true);
+
+        return;
+      }
+
+      var destination = state.destination;
+
+      this._updateInternalState(destination, state.uid, true);
+
+      if (this._uid > this._maxUid) {
+        this._maxUid = this._uid;
+      }
+
+      if (destination.rotation !== undefined) {
+        this._initialRotation = destination.rotation;
+      }
+
+      if (destination.dest) {
+        this._initialBookmark = JSON.stringify(destination.dest);
+        this._destination.page = null;
+      } else if (destination.hash) {
+        this._initialBookmark = destination.hash;
+      } else if (destination.page) {
+        this._initialBookmark = "page=".concat(destination.page);
+      }
+    }
+  }, {
+    key: "reset",
+    value: function reset() {
+      if (this._initialized) {
+        this._pageHide();
+
+        this._initialized = false;
+
+        this._unbindEvents();
+      }
+
+      if (this._updateViewareaTimeout) {
+        clearTimeout(this._updateViewareaTimeout);
+        this._updateViewareaTimeout = null;
+      }
+
+      this._initialBookmark = null;
+      this._initialRotation = null;
+    }
+  }, {
+    key: "push",
+    value: function push(_ref3) {
+      var _this2 = this;
+
+      var _ref3$namedDest = _ref3.namedDest,
+          namedDest = _ref3$namedDest === void 0 ? null : _ref3$namedDest,
+          explicitDest = _ref3.explicitDest,
+          pageNumber = _ref3.pageNumber;
+
+      if (!this._initialized) {
+        return;
+      }
+
+      if (namedDest && typeof namedDest !== "string") {
+        console.error("PDFHistory.push: " + "\"".concat(namedDest, "\" is not a valid namedDest parameter."));
+        return;
+      } else if (!Array.isArray(explicitDest)) {
+        console.error("PDFHistory.push: " + "\"".concat(explicitDest, "\" is not a valid explicitDest parameter."));
+        return;
+      } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
+        if (pageNumber !== null || this._destination) {
+          console.error("PDFHistory.push: " + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
+          return;
+        }
+      }
+
+      var hash = namedDest || JSON.stringify(explicitDest);
+
+      if (!hash) {
+        return;
+      }
+
+      var forceReplace = false;
+
+      if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+        if (this._destination.page) {
+          return;
+        }
+
+        forceReplace = true;
+      }
+
+      if (this._popStateInProgress && !forceReplace) {
+        return;
+      }
+
+      this._pushOrReplaceState({
+        dest: explicitDest,
+        hash: hash,
+        page: pageNumber,
+        rotation: this.linkService.rotation
+      }, forceReplace);
+
+      if (!this._popStateInProgress) {
+        this._popStateInProgress = true;
+        Promise.resolve().then(function () {
+          _this2._popStateInProgress = false;
+        });
+      }
+    }
+  }, {
+    key: "pushCurrentPosition",
+    value: function pushCurrentPosition() {
+      if (!this._initialized || this._popStateInProgress) {
+        return;
+      }
+
+      this._tryPushCurrentPosition();
+    }
+  }, {
+    key: "back",
+    value: function back() {
+      if (!this._initialized || this._popStateInProgress) {
+        return;
+      }
+
+      var state = window.history.state;
+
+      if (this._isValidState(state) && state.uid > 0) {
+        window.history.back();
+      }
+    }
+  }, {
+    key: "forward",
+    value: function forward() {
+      if (!this._initialized || this._popStateInProgress) {
+        return;
+      }
+
+      var state = window.history.state;
+
+      if (this._isValidState(state) && state.uid < this._maxUid) {
+        window.history.forward();
+      }
+    }
+  }, {
+    key: "_pushOrReplaceState",
+    value: function _pushOrReplaceState(destination) {
+      var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var shouldReplace = forceReplace || !this._destination;
+      var newState = {
+        fingerprint: this._fingerprint,
+        uid: shouldReplace ? this._uid : this._uid + 1,
+        destination: destination
+      };
+
+      this._updateInternalState(destination, newState.uid);
+
+      var newUrl;
+
+      if (this._updateUrl && destination && destination.hash) {
+        var baseUrl = document.location.href.split("#")[0];
+
+        if (!baseUrl.startsWith("file://")) {
+          newUrl = "".concat(baseUrl, "#").concat(destination.hash);
+        }
+      }
+
+      if (shouldReplace) {
+        window.history.replaceState(newState, "", newUrl);
+      } else {
+        this._maxUid = this._uid;
+        window.history.pushState(newState, "", newUrl);
+      }
+    }
+  }, {
+    key: "_tryPushCurrentPosition",
+    value: function _tryPushCurrentPosition() {
+      var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (!this._position) {
+        return;
+      }
+
+      var position = this._position;
+
+      if (temporary) {
+        position = Object.assign(Object.create(null), this._position);
+        position.temporary = true;
+      }
+
+      if (!this._destination) {
+        this._pushOrReplaceState(position);
+
+        return;
+      }
+
+      if (this._destination.temporary) {
+        this._pushOrReplaceState(position, true);
+
+        return;
+      }
+
+      if (this._destination.hash === position.hash) {
+        return;
+      }
+
+      if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+        return;
+      }
+
+      var forceReplace = false;
+
+      if (this._destination.page >= position.first && this._destination.page <= position.page) {
+        if (this._destination.dest || !this._destination.first) {
+          return;
+        }
+
+        forceReplace = true;
+      }
+
+      this._pushOrReplaceState(position, forceReplace);
+    }
+  }, {
+    key: "_isValidState",
+    value: function _isValidState(state) {
+      var checkReload = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+      if (!state) {
+        return false;
+      }
+
+      if (state.fingerprint !== this._fingerprint) {
+        if (checkReload) {
+          if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+            return false;
+          }
+
+          var _performance$getEntri = performance.getEntriesByType("navigation"),
+              _performance$getEntri2 = _slicedToArray(_performance$getEntri, 1),
+              perfEntry = _performance$getEntri2[0];
+
+          if (!perfEntry || perfEntry.type !== "reload") {
+            return false;
+          }
+        } else {
+          return false;
+        }
+      }
+
+      if (!Number.isInteger(state.uid) || state.uid < 0) {
+        return false;
+      }
+
+      if (state.destination === null || _typeof(state.destination) !== "object") {
+        return false;
+      }
+
+      return true;
+    }
+  }, {
+    key: "_updateInternalState",
+    value: function _updateInternalState(destination, uid) {
+      var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+      if (this._updateViewareaTimeout) {
+        clearTimeout(this._updateViewareaTimeout);
+        this._updateViewareaTimeout = null;
+      }
+
+      if (removeTemporary && destination && destination.temporary) {
+        delete destination.temporary;
+      }
+
+      this._destination = destination;
+      this._uid = uid;
+      this._numPositionUpdates = 0;
+    }
+  }, {
+    key: "_parseCurrentHash",
+    value: function _parseCurrentHash() {
+      var checkNameddest = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var hash = unescape(getCurrentHash()).substring(1);
+      var params = (0, _ui_utils.parseQueryString)(hash);
+      var nameddest = params.nameddest || "";
+      var page = params.page | 0;
+
+      if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {
+        page = null;
+      }
+
+      return {
+        hash: hash,
+        page: page,
+        rotation: this.linkService.rotation
+      };
+    }
+  }, {
+    key: "_updateViewarea",
+    value: function _updateViewarea(_ref4) {
+      var _this3 = this;
+
+      var location = _ref4.location;
+
+      if (this._updateViewareaTimeout) {
+        clearTimeout(this._updateViewareaTimeout);
+        this._updateViewareaTimeout = null;
+      }
+
+      this._position = {
+        hash: this._isViewerInPresentationMode ? "page=".concat(location.pageNumber) : location.pdfOpenParams.substring(1),
+        page: this.linkService.page,
+        first: location.pageNumber,
+        rotation: location.rotation
+      };
+
+      if (this._popStateInProgress) {
+        return;
+      }
+
+      if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+        this._numPositionUpdates++;
+      }
+
+      if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+        this._updateViewareaTimeout = setTimeout(function () {
+          if (!_this3._popStateInProgress) {
+            _this3._tryPushCurrentPosition(true);
+          }
+
+          _this3._updateViewareaTimeout = null;
+        }, UPDATE_VIEWAREA_TIMEOUT);
+      }
+    }
+  }, {
+    key: "_popState",
+    value: function _popState(_ref5) {
+      var _this4 = this;
+
+      var state = _ref5.state;
+      var newHash = getCurrentHash(),
+          hashChanged = this._currentHash !== newHash;
+      this._currentHash = newHash;
+
+      if (!state) {
+        this._uid++;
+
+        var _this$_parseCurrentHa2 = this._parseCurrentHash(),
+            hash = _this$_parseCurrentHa2.hash,
+            page = _this$_parseCurrentHa2.page,
+            rotation = _this$_parseCurrentHa2.rotation;
+
+        this._pushOrReplaceState({
+          hash: hash,
+          page: page,
+          rotation: rotation
+        }, true);
+
+        return;
+      }
+
+      if (!this._isValidState(state)) {
+        return;
+      }
+
+      this._popStateInProgress = true;
+
+      if (hashChanged) {
+        this._blockHashChange++;
+        (0, _ui_utils.waitOnEventOrTimeout)({
+          target: window,
+          name: "hashchange",
+          delay: HASH_CHANGE_TIMEOUT
+        }).then(function () {
+          _this4._blockHashChange--;
+        });
+      }
+
+      var destination = state.destination;
+
+      this._updateInternalState(destination, state.uid, true);
+
+      if (this._uid > this._maxUid) {
+        this._maxUid = this._uid;
+      }
+
+      if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
+        this.linkService.rotation = destination.rotation;
+      }
+
+      if (destination.dest) {
+        this.linkService.navigateTo(destination.dest);
+      } else if (destination.hash) {
+        this.linkService.setHash(destination.hash);
+      } else if (destination.page) {
+        this.linkService.page = destination.page;
+      }
+
+      Promise.resolve().then(function () {
+        _this4._popStateInProgress = false;
+      });
+    }
+  }, {
+    key: "_pageHide",
+    value: function _pageHide() {
+      if (!this._destination || this._destination.temporary) {
+        this._tryPushCurrentPosition();
+      }
+    }
+  }, {
+    key: "_bindEvents",
+    value: function _bindEvents() {
+      if (this._boundEvents) {
+        return;
+      }
+
+      this._boundEvents = {
+        updateViewarea: this._updateViewarea.bind(this),
+        popState: this._popState.bind(this),
+        pageHide: this._pageHide.bind(this)
+      };
+
+      this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
+
+      window.addEventListener("popstate", this._boundEvents.popState);
+      window.addEventListener("pagehide", this._boundEvents.pageHide);
+    }
+  }, {
+    key: "_unbindEvents",
+    value: function _unbindEvents() {
+      if (!this._boundEvents) {
+        return;
+      }
+
+      this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
+
+      window.removeEventListener("popstate", this._boundEvents.popState);
+      window.removeEventListener("pagehide", this._boundEvents.pageHide);
+      this._boundEvents = null;
+    }
+  }, {
+    key: "popStateInProgress",
+    get: function get() {
+      return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+    }
+  }, {
+    key: "initialBookmark",
+    get: function get() {
+      return this._initialized ? this._initialBookmark : null;
+    }
+  }, {
+    key: "initialRotation",
+    get: function get() {
+      return this._initialized ? this._initialRotation : null;
+    }
+  }]);
+
+  return PDFHistory;
+}();
+
+exports.PDFHistory = PDFHistory;
+
+function isDestHashesEqual(destHash, pushHash) {
+  if (typeof destHash !== "string" || typeof pushHash !== "string") {
+    return false;
+  }
+
+  if (destHash === pushHash) {
+    return true;
+  }
+
+  var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),
+      nameddest = _parseQueryString.nameddest;
+
+  if (nameddest === pushHash) {
+    return true;
+  }
+
+  return false;
+}
+
+function isDestArraysEqual(firstDest, secondDest) {
+  function isEntryEqual(first, second) {
+    if (_typeof(first) !== _typeof(second)) {
+      return false;
+    }
+
+    if (Array.isArray(first) || Array.isArray(second)) {
+      return false;
+    }
+
+    if (first !== null && _typeof(first) === "object" && second !== null) {
+      if (Object.keys(first).length !== Object.keys(second).length) {
+        return false;
+      }
+
+      for (var key in first) {
+        if (!isEntryEqual(first[key], second[key])) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+
+    return first === second || Number.isNaN(first) && Number.isNaN(second);
+  }
+
+  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+    return false;
+  }
+
+  if (firstDest.length !== secondDest.length) {
+    return false;
+  }
+
+  for (var i = 0, ii = firstDest.length; i < ii; i++) {
+    if (!isEntryEqual(firstDest[i], secondDest[i])) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPageView = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_rendering_queue = __w_pdfjs_require__(17);
+
+var _viewer_compatibility = __w_pdfjs_require__(10);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
+
+var PDFPageView = /*#__PURE__*/function () {
+  function PDFPageView(options) {
+    _classCallCheck(this, PDFPageView);
+
+    var container = options.container;
+    var defaultViewport = options.defaultViewport;
+    this.id = options.id;
+    this.renderingId = "page" + this.id;
+    this.pdfPage = null;
+    this.pageLabel = null;
+    this.rotation = 0;
+    this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
+    this.viewport = defaultViewport;
+    this.pdfPageRotate = defaultViewport.rotation;
+    this._annotationStorage = options.annotationStorage || null;
+    this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+    this.hasRestrictedScaling = false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
+    this.eventBus = options.eventBus;
+    this.renderingQueue = options.renderingQueue;
+    this.textLayerFactory = options.textLayerFactory;
+    this.annotationLayerFactory = options.annotationLayerFactory;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.paintTask = null;
+    this.paintedViewportMap = new WeakMap();
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    this.resume = null;
+    this.error = null;
+    this.annotationLayer = null;
+    this.textLayer = null;
+    this.zoomLayer = null;
+    var div = document.createElement("div");
+    div.className = "page";
+    div.style.width = Math.floor(this.viewport.width) + "px";
+    div.style.height = Math.floor(this.viewport.height) + "px";
+    div.setAttribute("data-page-number", this.id);
+    this.div = div;
+    container.appendChild(div);
+  }
+
+  _createClass(PDFPageView, [{
+    key: "setPdfPage",
+    value: function setPdfPage(pdfPage) {
+      this.pdfPage = pdfPage;
+      this.pdfPageRotate = pdfPage.rotate;
+      var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+      this.viewport = pdfPage.getViewport({
+        scale: this.scale * _ui_utils.CSS_UNITS,
+        rotation: totalRotation
+      });
+      this.stats = pdfPage.stats;
+      this.reset();
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.reset();
+
+      if (this.pdfPage) {
+        this.pdfPage.cleanup();
+      }
+    }
+  }, {
+    key: "_renderAnnotationLayer",
+    value: function () {
+      var _renderAnnotationLayer2 = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
+        var error;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                error = null;
+                _context.prev = 1;
+                _context.next = 4;
+                return this.annotationLayer.render(this.viewport, "display");
+
+              case 4:
+                _context.next = 9;
+                break;
+
+              case 6:
+                _context.prev = 6;
+                _context.t0 = _context["catch"](1);
+                error = _context.t0;
+
+              case 9:
+                _context.prev = 9;
+                this.eventBus.dispatch("annotationlayerrendered", {
+                  source: this,
+                  pageNumber: this.id,
+                  error: error
+                });
+                return _context.finish(9);
+
+              case 12:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this, [[1, 6, 9, 12]]);
+      }));
+
+      function _renderAnnotationLayer() {
+        return _renderAnnotationLayer2.apply(this, arguments);
+      }
+
+      return _renderAnnotationLayer;
+    }()
+  }, {
+    key: "_resetZoomLayer",
+    value: function _resetZoomLayer() {
+      var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (!this.zoomLayer) {
+        return;
+      }
+
+      var zoomLayerCanvas = this.zoomLayer.firstChild;
+      this.paintedViewportMap["delete"](zoomLayerCanvas);
+      zoomLayerCanvas.width = 0;
+      zoomLayerCanvas.height = 0;
+
+      if (removeFromDOM) {
+        this.zoomLayer.remove();
+      }
+
+      this.zoomLayer = null;
+    }
+  }, {
+    key: "reset",
+    value: function reset() {
+      var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      this.cancelRendering(keepAnnotations);
+      this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+      var div = this.div;
+      div.style.width = Math.floor(this.viewport.width) + "px";
+      div.style.height = Math.floor(this.viewport.height) + "px";
+      var childNodes = div.childNodes;
+      var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
+      var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
+
+      for (var i = childNodes.length - 1; i >= 0; i--) {
+        var node = childNodes[i];
+
+        if (currentZoomLayerNode === node || currentAnnotationNode === node) {
+          continue;
+        }
+
+        div.removeChild(node);
+      }
+
+      div.removeAttribute("data-loaded");
+
+      if (currentAnnotationNode) {
+        this.annotationLayer.hide();
+      } else if (this.annotationLayer) {
+        this.annotationLayer.cancel();
+        this.annotationLayer = null;
+      }
+
+      if (!currentZoomLayerNode) {
+        if (this.canvas) {
+          this.paintedViewportMap["delete"](this.canvas);
+          this.canvas.width = 0;
+          this.canvas.height = 0;
+          delete this.canvas;
+        }
+
+        this._resetZoomLayer();
+      }
+
+      if (this.svg) {
+        this.paintedViewportMap["delete"](this.svg);
+        delete this.svg;
+      }
+
+      this.loadingIconDiv = document.createElement("div");
+      this.loadingIconDiv.className = "loadingIcon";
+      div.appendChild(this.loadingIconDiv);
+    }
+  }, {
+    key: "update",
+    value: function update(scale, rotation) {
+      var optionalContentConfigPromise = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      this.scale = scale || this.scale;
+
+      if (typeof rotation !== "undefined") {
+        this.rotation = rotation;
+      }
+
+      if (optionalContentConfigPromise instanceof Promise) {
+        this._optionalContentConfigPromise = optionalContentConfigPromise;
+      }
+
+      var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+      this.viewport = this.viewport.clone({
+        scale: this.scale * _ui_utils.CSS_UNITS,
+        rotation: totalRotation
+      });
+
+      if (this.svg) {
+        this.cssTransform(this.svg, true);
+        this.eventBus.dispatch("pagerendered", {
+          source: this,
+          pageNumber: this.id,
+          cssTransform: true,
+          timestamp: performance.now()
+        });
+        return;
+      }
+
+      var isScalingRestricted = false;
+
+      if (this.canvas && this.maxCanvasPixels > 0) {
+        var outputScale = this.outputScale;
+
+        if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
+          isScalingRestricted = true;
+        }
+      }
+
+      if (this.canvas) {
+        if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
+          this.cssTransform(this.canvas, true);
+          this.eventBus.dispatch("pagerendered", {
+            source: this,
+            pageNumber: this.id,
+            cssTransform: true,
+            timestamp: performance.now()
+          });
+          return;
+        }
+
+        if (!this.zoomLayer && !this.canvas.hasAttribute("hidden")) {
+          this.zoomLayer = this.canvas.parentNode;
+          this.zoomLayer.style.position = "absolute";
+        }
+      }
+
+      if (this.zoomLayer) {
+        this.cssTransform(this.zoomLayer.firstChild);
+      }
+
+      this.reset(true, true);
+    }
+  }, {
+    key: "cancelRendering",
+    value: function cancelRendering() {
+      var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (this.paintTask) {
+        this.paintTask.cancel();
+        this.paintTask = null;
+      }
+
+      this.resume = null;
+
+      if (this.textLayer) {
+        this.textLayer.cancel();
+        this.textLayer = null;
+      }
+
+      if (!keepAnnotations && this.annotationLayer) {
+        this.annotationLayer.cancel();
+        this.annotationLayer = null;
+      }
+    }
+  }, {
+    key: "cssTransform",
+    value: function cssTransform(target) {
+      var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var width = this.viewport.width;
+      var height = this.viewport.height;
+      var div = this.div;
+      target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
+      target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
+      var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
+      var absRotation = Math.abs(relativeRotation);
+      var scaleX = 1,
+          scaleY = 1;
+
+      if (absRotation === 90 || absRotation === 270) {
+        scaleX = height / width;
+        scaleY = width / height;
+      }
+
+      var cssTransform = "rotate(" + relativeRotation + "deg) " + "scale(" + scaleX + "," + scaleY + ")";
+      target.style.transform = cssTransform;
+
+      if (this.textLayer) {
+        var textLayerViewport = this.textLayer.viewport;
+        var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
+        var textAbsRotation = Math.abs(textRelativeRotation);
+        var scale = width / textLayerViewport.width;
+
+        if (textAbsRotation === 90 || textAbsRotation === 270) {
+          scale = width / textLayerViewport.height;
+        }
+
+        var textLayerDiv = this.textLayer.textLayerDiv;
+        var transX, transY;
+
+        switch (textAbsRotation) {
+          case 0:
+            transX = transY = 0;
+            break;
+
+          case 90:
+            transX = 0;
+            transY = "-" + textLayerDiv.style.height;
+            break;
+
+          case 180:
+            transX = "-" + textLayerDiv.style.width;
+            transY = "-" + textLayerDiv.style.height;
+            break;
+
+          case 270:
+            transX = "-" + textLayerDiv.style.width;
+            transY = 0;
+            break;
+
+          default:
+            console.error("Bad rotation value.");
+            break;
+        }
+
+        textLayerDiv.style.transform = "rotate(" + textAbsRotation + "deg) " + "scale(" + scale + ", " + scale + ") " + "translate(" + transX + ", " + transY + ")";
+        textLayerDiv.style.transformOrigin = "0% 0%";
+      }
+
+      if (redrawAnnotations && this.annotationLayer) {
+        this._renderAnnotationLayer();
+      }
+    }
+  }, {
+    key: "getPagePoint",
+    value: function getPagePoint(x, y) {
+      return this.viewport.convertToPdfPoint(x, y);
+    }
+  }, {
+    key: "draw",
+    value: function draw() {
+      var _this = this;
+
+      if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
+        console.error("Must be in new state before drawing");
+        this.reset();
+      }
+
+      var div = this.div,
+          pdfPage = this.pdfPage;
+
+      if (!pdfPage) {
+        this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+        if (this.loadingIconDiv) {
+          div.removeChild(this.loadingIconDiv);
+          delete this.loadingIconDiv;
+        }
+
+        return Promise.reject(new Error("pdfPage is not loaded"));
+      }
+
+      this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+      var canvasWrapper = document.createElement("div");
+      canvasWrapper.style.width = div.style.width;
+      canvasWrapper.style.height = div.style.height;
+      canvasWrapper.classList.add("canvasWrapper");
+
+      if (this.annotationLayer && this.annotationLayer.div) {
+        div.insertBefore(canvasWrapper, this.annotationLayer.div);
+      } else {
+        div.appendChild(canvasWrapper);
+      }
+
+      var textLayer = null;
+
+      if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
+        var textLayerDiv = document.createElement("div");
+        textLayerDiv.className = "textLayer";
+        textLayerDiv.style.width = canvasWrapper.style.width;
+        textLayerDiv.style.height = canvasWrapper.style.height;
+
+        if (this.annotationLayer && this.annotationLayer.div) {
+          div.insertBefore(textLayerDiv, this.annotationLayer.div);
+        } else {
+          div.appendChild(textLayerDiv);
+        }
+
+        textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
+      }
+
+      this.textLayer = textLayer;
+      var renderContinueCallback = null;
+
+      if (this.renderingQueue) {
+        renderContinueCallback = function renderContinueCallback(cont) {
+          if (!_this.renderingQueue.isHighestPriority(_this)) {
+            _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
+
+            _this.resume = function () {
+              _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+              cont();
+            };
+
+            return;
+          }
+
+          cont();
+        };
+      }
+
+      var finishPaintTask = /*#__PURE__*/function () {
+        var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee2(error) {
+          return _regenerator["default"].wrap(function _callee2$(_context2) {
+            while (1) {
+              switch (_context2.prev = _context2.next) {
+                case 0:
+                  if (paintTask === _this.paintTask) {
+                    _this.paintTask = null;
+                  }
+
+                  if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
+                    _context2.next = 4;
+                    break;
+                  }
+
+                  _this.error = null;
+                  return _context2.abrupt("return");
+
+                case 4:
+                  _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+                  if (_this.loadingIconDiv) {
+                    div.removeChild(_this.loadingIconDiv);
+                    delete _this.loadingIconDiv;
+                  }
+
+                  _this._resetZoomLayer(true);
+
+                  _this.error = error;
+                  _this.stats = pdfPage.stats;
+
+                  _this.eventBus.dispatch("pagerendered", {
+                    source: _this,
+                    pageNumber: _this.id,
+                    cssTransform: false,
+                    timestamp: performance.now()
+                  });
+
+                  if (!error) {
+                    _context2.next = 12;
+                    break;
+                  }
+
+                  throw error;
+
+                case 12:
+                case "end":
+                  return _context2.stop();
+              }
+            }
+          }, _callee2);
+        }));
+
+        return function finishPaintTask(_x) {
+          return _ref.apply(this, arguments);
+        };
+      }();
+
+      var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
+      paintTask.onRenderContinue = renderContinueCallback;
+      this.paintTask = paintTask;
+      var resultPromise = paintTask.promise.then(function () {
+        return finishPaintTask(null).then(function () {
+          if (textLayer) {
+            var readableStream = pdfPage.streamTextContent({
+              normalizeWhitespace: true
+            });
+            textLayer.setTextContentStream(readableStream);
+            textLayer.render();
+          }
+        });
+      }, function (reason) {
+        return finishPaintTask(reason);
+      });
+
+      if (this.annotationLayerFactory) {
+        if (!this.annotationLayer) {
+          this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this._annotationStorage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
+        }
+
+        this._renderAnnotationLayer();
+      }
+
+      div.setAttribute("data-loaded", true);
+      this.eventBus.dispatch("pagerender", {
+        source: this,
+        pageNumber: this.id
+      });
+      return resultPromise;
+    }
+  }, {
+    key: "paintOnCanvas",
+    value: function paintOnCanvas(canvasWrapper) {
+      var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
+      var result = {
+        promise: renderCapability.promise,
+        onRenderContinue: function onRenderContinue(cont) {
+          cont();
+        },
+        cancel: function cancel() {
+          renderTask.cancel();
+        }
+      };
+      var viewport = this.viewport;
+      var canvas = document.createElement("canvas");
+      this.l10n.get("page_canvas", {
+        page: this.id
+      }, "Page {{page}}").then(function (msg) {
+        canvas.setAttribute("aria-label", msg);
+      });
+      canvas.setAttribute("hidden", "hidden");
+      var isCanvasHidden = true;
+
+      var showCanvas = function showCanvas() {
+        if (isCanvasHidden) {
+          canvas.removeAttribute("hidden");
+          isCanvasHidden = false;
+        }
+      };
+
+      canvasWrapper.appendChild(canvas);
+      this.canvas = canvas;
+      canvas.mozOpaque = true;
+      var ctx = canvas.getContext("2d", {
+        alpha: false
+      });
+      var outputScale = (0, _ui_utils.getOutputScale)(ctx);
+      this.outputScale = outputScale;
+
+      if (this.useOnlyCssZoom) {
+        var actualSizeViewport = viewport.clone({
+          scale: _ui_utils.CSS_UNITS
+        });
+        outputScale.sx *= actualSizeViewport.width / viewport.width;
+        outputScale.sy *= actualSizeViewport.height / viewport.height;
+        outputScale.scaled = true;
+      }
+
+      if (this.maxCanvasPixels > 0) {
+        var pixelsInViewport = viewport.width * viewport.height;
+        var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
+
+        if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
+          outputScale.sx = maxScale;
+          outputScale.sy = maxScale;
+          outputScale.scaled = true;
+          this.hasRestrictedScaling = true;
+        } else {
+          this.hasRestrictedScaling = false;
+        }
+      }
+
+      var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
+      var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
+      canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
+      canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
+      canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
+      canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
+      this.paintedViewportMap.set(canvas, viewport);
+      var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
+      var renderContext = {
+        canvasContext: ctx,
+        transform: transform,
+        viewport: this.viewport,
+        enableWebGL: this.enableWebGL,
+        renderInteractiveForms: this.renderInteractiveForms,
+        optionalContentConfigPromise: this._optionalContentConfigPromise
+      };
+      var renderTask = this.pdfPage.render(renderContext);
+
+      renderTask.onContinue = function (cont) {
+        showCanvas();
+
+        if (result.onRenderContinue) {
+          result.onRenderContinue(cont);
+        } else {
+          cont();
+        }
+      };
+
+      renderTask.promise.then(function () {
+        showCanvas();
+        renderCapability.resolve(undefined);
+      }, function (error) {
+        showCanvas();
+        renderCapability.reject(error);
+      });
+      return result;
+    }
+  }, {
+    key: "paintOnSvg",
+    value: function paintOnSvg(wrapper) {
+      var _this2 = this;
+
+      var cancelled = false;
+
+      var ensureNotCancelled = function ensureNotCancelled() {
+        if (cancelled) {
+          throw new _pdfjsLib.RenderingCancelledException("Rendering cancelled, page ".concat(_this2.id), "svg");
+        }
+      };
+
+      var pdfPage = this.pdfPage;
+      var actualSizeViewport = this.viewport.clone({
+        scale: _ui_utils.CSS_UNITS
+      });
+      var promise = pdfPage.getOperatorList().then(function (opList) {
+        ensureNotCancelled();
+        var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
+        return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
+          ensureNotCancelled();
+          _this2.svg = svg;
+
+          _this2.paintedViewportMap.set(svg, actualSizeViewport);
+
+          svg.style.width = wrapper.style.width;
+          svg.style.height = wrapper.style.height;
+          _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+          wrapper.appendChild(svg);
+        });
+      });
+      return {
+        promise: promise,
+        onRenderContinue: function onRenderContinue(cont) {
+          cont();
+        },
+        cancel: function cancel() {
+          cancelled = true;
+        }
+      };
+    }
+  }, {
+    key: "setPageLabel",
+    value: function setPageLabel(label) {
+      this.pageLabel = typeof label === "string" ? label : null;
+
+      if (this.pageLabel !== null) {
+        this.div.setAttribute("data-page-label", this.pageLabel);
+      } else {
+        this.div.removeAttribute("data-page-label");
+      }
+    }
+  }, {
+    key: "width",
+    get: function get() {
+      return this.viewport.width;
+    }
+  }, {
+    key: "height",
+    get: function get() {
+      return this.viewport.height;
+    }
+  }]);
+
+  return PDFPageView;
+}();
+
+exports.PDFPageView = PDFPageView;
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFRenderingQueue = exports.RenderingStates = void 0;
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var CLEANUP_TIMEOUT = 30000;
+var RenderingStates = {
+  INITIAL: 0,
+  RUNNING: 1,
+  PAUSED: 2,
+  FINISHED: 3
+};
+exports.RenderingStates = RenderingStates;
+
+var PDFRenderingQueue = /*#__PURE__*/function () {
+  function PDFRenderingQueue() {
+    _classCallCheck(this, PDFRenderingQueue);
+
+    this.pdfViewer = null;
+    this.pdfThumbnailViewer = null;
+    this.onIdle = null;
+    this.highestPriorityPage = null;
+    this.idleTimeout = null;
+    this.printing = false;
+    this.isThumbnailViewEnabled = false;
+  }
+
+  _createClass(PDFRenderingQueue, [{
+    key: "setViewer",
+    value: function setViewer(pdfViewer) {
+      this.pdfViewer = pdfViewer;
+    }
+  }, {
+    key: "setThumbnailViewer",
+    value: function setThumbnailViewer(pdfThumbnailViewer) {
+      this.pdfThumbnailViewer = pdfThumbnailViewer;
+    }
+  }, {
+    key: "isHighestPriority",
+    value: function isHighestPriority(view) {
+      return this.highestPriorityPage === view.renderingId;
+    }
+  }, {
+    key: "renderHighestPriority",
+    value: function renderHighestPriority(currentlyVisiblePages) {
+      if (this.idleTimeout) {
+        clearTimeout(this.idleTimeout);
+        this.idleTimeout = null;
+      }
+
+      if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+        return;
+      }
+
+      if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
+        if (this.pdfThumbnailViewer.forceRendering()) {
+          return;
+        }
+      }
+
+      if (this.printing) {
+        return;
+      }
+
+      if (this.onIdle) {
+        this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+      }
+    }
+  }, {
+    key: "getHighestPriority",
+    value: function getHighestPriority(visible, views, scrolledDown) {
+      var visibleViews = visible.views;
+      var numVisible = visibleViews.length;
+
+      if (numVisible === 0) {
+        return null;
+      }
+
+      for (var i = 0; i < numVisible; ++i) {
+        var view = visibleViews[i].view;
+
+        if (!this.isViewFinished(view)) {
+          return view;
+        }
+      }
+
+      if (scrolledDown) {
+        var nextPageIndex = visible.last.id;
+
+        if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
+          return views[nextPageIndex];
+        }
+      } else {
+        var previousPageIndex = visible.first.id - 2;
+
+        if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
+          return views[previousPageIndex];
+        }
+      }
+
+      return null;
+    }
+  }, {
+    key: "isViewFinished",
+    value: function isViewFinished(view) {
+      return view.renderingState === RenderingStates.FINISHED;
+    }
+  }, {
+    key: "renderView",
+    value: function renderView(view) {
+      var _this = this;
+
+      switch (view.renderingState) {
+        case RenderingStates.FINISHED:
+          return false;
+
+        case RenderingStates.PAUSED:
+          this.highestPriorityPage = view.renderingId;
+          view.resume();
+          break;
+
+        case RenderingStates.RUNNING:
+          this.highestPriorityPage = view.renderingId;
+          break;
+
+        case RenderingStates.INITIAL:
+          this.highestPriorityPage = view.renderingId;
+          view.draw()["finally"](function () {
+            _this.renderHighestPriority();
+          })["catch"](function (reason) {
+            console.error("renderView: \"".concat(reason, "\""));
+          });
+          break;
+      }
+
+      return true;
+    }
+  }]);
+
+  return PDFRenderingQueue;
+}();
+
+exports.PDFRenderingQueue = PDFRenderingQueue;
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFSinglePageViewer = void 0;
+
+var _base_viewer = __w_pdfjs_require__(19);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var PDFSinglePageViewer = /*#__PURE__*/function (_BaseViewer) {
+  _inherits(PDFSinglePageViewer, _BaseViewer);
+
+  var _super = _createSuper(PDFSinglePageViewer);
+
+  function PDFSinglePageViewer(options) {
+    var _this;
+
+    _classCallCheck(this, PDFSinglePageViewer);
+
+    _this = _super.call(this, options);
+
+    _this.eventBus._on("pagesinit", function (evt) {
+      _this._ensurePageViewVisible();
+    });
+
+    return _this;
+  }
+
+  _createClass(PDFSinglePageViewer, [{
+    key: "_resetView",
+    value: function _resetView() {
+      _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_resetView", this).call(this);
+
+      this._previousPageNumber = 1;
+      this._shadowViewer = document.createDocumentFragment();
+      this._updateScrollDown = null;
+    }
+  }, {
+    key: "_ensurePageViewVisible",
+    value: function _ensurePageViewVisible() {
+      var pageView = this._pages[this._currentPageNumber - 1];
+      var previousPageView = this._pages[this._previousPageNumber - 1];
+      var viewerNodes = this.viewer.childNodes;
+
+      switch (viewerNodes.length) {
+        case 0:
+          this.viewer.appendChild(pageView.div);
+          break;
+
+        case 1:
+          if (viewerNodes[0] !== previousPageView.div) {
+            throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
+          }
+
+          if (pageView === previousPageView) {
+            break;
+          }
+
+          this._shadowViewer.appendChild(previousPageView.div);
+
+          this.viewer.appendChild(pageView.div);
+          this.container.scrollTop = 0;
+          break;
+
+        default:
+          throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
+      }
+
+      this._previousPageNumber = this._currentPageNumber;
+    }
+  }, {
+    key: "_scrollUpdate",
+    value: function _scrollUpdate() {
+      if (this._updateScrollDown) {
+        this._updateScrollDown();
+      }
+
+      _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_scrollUpdate", this).call(this);
+    }
+  }, {
+    key: "_scrollIntoView",
+    value: function _scrollIntoView(_ref) {
+      var _this2 = this;
+
+      var pageDiv = _ref.pageDiv,
+          _ref$pageSpot = _ref.pageSpot,
+          pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
+          _ref$pageNumber = _ref.pageNumber,
+          pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
+
+      if (pageNumber) {
+        this._setCurrentPageNumber(pageNumber);
+      }
+
+      var scrolledDown = this._currentPageNumber >= this._previousPageNumber;
+
+      this._ensurePageViewVisible();
+
+      this.update();
+
+      _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_scrollIntoView", this).call(this, {
+        pageDiv: pageDiv,
+        pageSpot: pageSpot,
+        pageNumber: pageNumber
+      });
+
+      this._updateScrollDown = function () {
+        _this2.scroll.down = scrolledDown;
+        _this2._updateScrollDown = null;
+      };
+    }
+  }, {
+    key: "_getVisiblePages",
+    value: function _getVisiblePages() {
+      return this._getCurrentVisiblePage();
+    }
+  }, {
+    key: "_updateHelper",
+    value: function _updateHelper(visiblePages) {}
+  }, {
+    key: "_updateScrollMode",
+    value: function _updateScrollMode() {}
+  }, {
+    key: "_updateSpreadMode",
+    value: function _updateSpreadMode() {}
+  }, {
+    key: "_viewerElement",
+    get: function get() {
+      return (0, _pdfjsLib.shadow)(this, "_viewerElement", this._shadowViewer);
+    }
+  }, {
+    key: "_isScrollModeHorizontal",
+    get: function get() {
+      return (0, _pdfjsLib.shadow)(this, "_isScrollModeHorizontal", false);
+    }
+  }]);
+
+  return PDFSinglePageViewer;
+}(_base_viewer.BaseViewer);
+
+exports.PDFSinglePageViewer = PDFSinglePageViewer;
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.BaseViewer = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_rendering_queue = __w_pdfjs_require__(17);
+
+var _annotation_layer_builder = __w_pdfjs_require__(1);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_page_view = __w_pdfjs_require__(16);
+
+var _pdf_link_service = __w_pdfjs_require__(7);
+
+var _text_layer_builder = __w_pdfjs_require__(8);
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var DEFAULT_CACHE_SIZE = 10;
+
+function PDFPageViewBuffer(size) {
+  var data = [];
+
+  this.push = function (view) {
+    var i = data.indexOf(view);
+
+    if (i >= 0) {
+      data.splice(i, 1);
+    }
+
+    data.push(view);
+
+    if (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+
+  this.resize = function (newSize, pagesToKeep) {
+    size = newSize;
+
+    if (pagesToKeep) {
+      var pageIdsToKeep = new Set();
+
+      for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
+        pageIdsToKeep.add(pagesToKeep[i].id);
+      }
+
+      (0, _ui_utils.moveToEndOfArray)(data, function (page) {
+        return pageIdsToKeep.has(page.id);
+      });
+    }
+
+    while (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+}
+
+function isSameScale(oldScale, newScale) {
+  if (newScale === oldScale) {
+    return true;
+  }
+
+  if (Math.abs(newScale - oldScale) < 1e-15) {
+    return true;
+  }
+
+  return false;
+}
+
+var BaseViewer = /*#__PURE__*/function () {
+  function BaseViewer(options) {
+    var _this = this;
+
+    _classCallCheck(this, BaseViewer);
+
+    if (this.constructor === BaseViewer) {
+      throw new Error("Cannot initialize BaseViewer.");
+    }
+
+    this._name = this.constructor.name;
+    this.container = options.container;
+    this.viewer = options.viewer || options.container.firstElementChild;
+
+    if (!(this.container instanceof HTMLDivElement && this.viewer instanceof HTMLDivElement)) {
+      throw new Error("Invalid `container` and/or `viewer` option.");
+    }
+
+    this.eventBus = options.eventBus;
+    this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
+    this.downloadManager = options.downloadManager || null;
+    this.findController = options.findController || null;
+    this.removePageBorders = options.removePageBorders || false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.defaultRenderingQueue = !options.renderingQueue;
+
+    if (this.defaultRenderingQueue) {
+      this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
+      this.renderingQueue.setViewer(this);
+    } else {
+      this.renderingQueue = options.renderingQueue;
+    }
+
+    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
+    this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
+    this._onBeforeDraw = this._onAfterDraw = null;
+
+    this._resetView();
+
+    if (this.removePageBorders) {
+      this.viewer.classList.add("removePageBorders");
+    }
+
+    Promise.resolve().then(function () {
+      _this.eventBus.dispatch("baseviewerinit", {
+        source: _this
+      });
+    });
+  }
+
+  _createClass(BaseViewer, [{
+    key: "getPageView",
+    value: function getPageView(index) {
+      return this._pages[index];
+    }
+  }, {
+    key: "_setCurrentPageNumber",
+    value: function _setCurrentPageNumber(val) {
+      var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+      if (this._currentPageNumber === val) {
+        if (resetCurrentPageView) {
+          this._resetCurrentPageView();
+        }
+
+        return true;
+      }
+
+      if (!(0 < val && val <= this.pagesCount)) {
+        return false;
+      }
+
+      this._currentPageNumber = val;
+      this.eventBus.dispatch("pagechanging", {
+        source: this,
+        pageNumber: val,
+        pageLabel: this._pageLabels && this._pageLabels[val - 1]
+      });
+
+      if (resetCurrentPageView) {
+        this._resetCurrentPageView();
+      }
+
+      return true;
+    }
+  }, {
+    key: "_onePageRenderedOrForceFetch",
+    value: function _onePageRenderedOrForceFetch() {
+      if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+        return Promise.resolve();
+      }
+
+      return this._onePageRenderedCapability.promise;
+    }
+  }, {
+    key: "setDocument",
+    value: function setDocument(pdfDocument) {
+      var _this2 = this;
+
+      if (this.pdfDocument) {
+        this._cancelRendering();
+
+        this._resetView();
+
+        if (this.findController) {
+          this.findController.setDocument(null);
+        }
+      }
+
+      this.pdfDocument = pdfDocument;
+
+      if (!pdfDocument) {
+        return;
+      }
+
+      var pagesCount = pdfDocument.numPages;
+      var firstPagePromise = pdfDocument.getPage(1);
+      var annotationStorage = pdfDocument.annotationStorage;
+      var optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+
+      this._pagesCapability.promise.then(function () {
+        _this2.eventBus.dispatch("pagesloaded", {
+          source: _this2,
+          pagesCount: pagesCount
+        });
+      });
+
+      this._onBeforeDraw = function (evt) {
+        var pageView = _this2._pages[evt.pageNumber - 1];
+
+        if (!pageView) {
+          return;
+        }
+
+        _this2._buffer.push(pageView);
+      };
+
+      this.eventBus._on("pagerender", this._onBeforeDraw);
+
+      this._onAfterDraw = function (evt) {
+        if (evt.cssTransform || _this2._onePageRenderedCapability.settled) {
+          return;
+        }
+
+        _this2._onePageRenderedCapability.resolve();
+
+        _this2.eventBus._off("pagerendered", _this2._onAfterDraw);
+
+        _this2._onAfterDraw = null;
+      };
+
+      this.eventBus._on("pagerendered", this._onAfterDraw);
+
+      firstPagePromise.then(function (firstPdfPage) {
+        _this2._firstPageCapability.resolve(firstPdfPage);
+
+        _this2._optionalContentConfigPromise = optionalContentConfigPromise;
+        var scale = _this2.currentScale;
+        var viewport = firstPdfPage.getViewport({
+          scale: scale * _ui_utils.CSS_UNITS
+        });
+        var textLayerFactory = _this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? _this2 : null;
+
+        for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+          var pageView = new _pdf_page_view.PDFPageView({
+            container: _this2._viewerElement,
+            eventBus: _this2.eventBus,
+            id: pageNum,
+            scale: scale,
+            defaultViewport: viewport.clone(),
+            annotationStorage: annotationStorage,
+            optionalContentConfigPromise: optionalContentConfigPromise,
+            renderingQueue: _this2.renderingQueue,
+            textLayerFactory: textLayerFactory,
+            textLayerMode: _this2.textLayerMode,
+            annotationLayerFactory: _this2,
+            imageResourcesPath: _this2.imageResourcesPath,
+            renderInteractiveForms: _this2.renderInteractiveForms,
+            renderer: _this2.renderer,
+            enableWebGL: _this2.enableWebGL,
+            useOnlyCssZoom: _this2.useOnlyCssZoom,
+            maxCanvasPixels: _this2.maxCanvasPixels,
+            l10n: _this2.l10n
+          });
+
+          _this2._pages.push(pageView);
+        }
+
+        var firstPageView = _this2._pages[0];
+
+        if (firstPageView) {
+          firstPageView.setPdfPage(firstPdfPage);
+
+          _this2.linkService.cachePageRef(1, firstPdfPage.ref);
+        }
+
+        if (_this2._spreadMode !== _ui_utils.SpreadMode.NONE) {
+          _this2._updateSpreadMode();
+        }
+
+        _this2._onePageRenderedOrForceFetch().then(function () {
+          if (_this2.findController) {
+            _this2.findController.setDocument(pdfDocument);
+          }
+
+          if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
+            _this2._pagesCapability.resolve();
+
+            return;
+          }
+
+          var getPagesLeft = pagesCount - 1;
+
+          if (getPagesLeft <= 0) {
+            _this2._pagesCapability.resolve();
+
+            return;
+          }
+
+          var _loop = function _loop(_pageNum) {
+            pdfDocument.getPage(_pageNum).then(function (pdfPage) {
+              var pageView = _this2._pages[_pageNum - 1];
+
+              if (!pageView.pdfPage) {
+                pageView.setPdfPage(pdfPage);
+              }
+
+              _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);
+
+              if (--getPagesLeft === 0) {
+                _this2._pagesCapability.resolve();
+              }
+            }, function (reason) {
+              console.error("Unable to get page ".concat(_pageNum, " to initialize viewer"), reason);
+
+              if (--getPagesLeft === 0) {
+                _this2._pagesCapability.resolve();
+              }
+            });
+          };
+
+          for (var _pageNum = 2; _pageNum <= pagesCount; ++_pageNum) {
+            _loop(_pageNum);
+          }
+        });
+
+        _this2.eventBus.dispatch("pagesinit", {
+          source: _this2
+        });
+
+        if (_this2.defaultRenderingQueue) {
+          _this2.update();
+        }
+      })["catch"](function (reason) {
+        console.error("Unable to initialize viewer", reason);
+      });
+    }
+  }, {
+    key: "setPageLabels",
+    value: function setPageLabels(labels) {
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      if (!labels) {
+        this._pageLabels = null;
+      } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+        this._pageLabels = null;
+        console.error("".concat(this._name, ".setPageLabels: Invalid page labels."));
+      } else {
+        this._pageLabels = labels;
+      }
+
+      for (var i = 0, ii = this._pages.length; i < ii; i++) {
+        var pageView = this._pages[i];
+        var label = this._pageLabels && this._pageLabels[i];
+        pageView.setPageLabel(label);
+      }
+    }
+  }, {
+    key: "_resetView",
+    value: function _resetView() {
+      this._pages = [];
+      this._currentPageNumber = 1;
+      this._currentScale = _ui_utils.UNKNOWN_SCALE;
+      this._currentScaleValue = null;
+      this._pageLabels = null;
+      this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+      this._location = null;
+      this._pagesRotation = 0;
+      this._optionalContentConfigPromise = null;
+      this._pagesRequests = new WeakMap();
+      this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
+      this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
+      this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
+      this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
+      this._spreadMode = _ui_utils.SpreadMode.NONE;
+
+      if (this._onBeforeDraw) {
+        this.eventBus._off("pagerender", this._onBeforeDraw);
+
+        this._onBeforeDraw = null;
+      }
+
+      if (this._onAfterDraw) {
+        this.eventBus._off("pagerendered", this._onAfterDraw);
+
+        this._onAfterDraw = null;
+      }
+
+      this.viewer.textContent = "";
+
+      this._updateScrollMode();
+    }
+  }, {
+    key: "_scrollUpdate",
+    value: function _scrollUpdate() {
+      if (this.pagesCount === 0) {
+        return;
+      }
+
+      this.update();
+    }
+  }, {
+    key: "_scrollIntoView",
+    value: function _scrollIntoView(_ref) {
+      var pageDiv = _ref.pageDiv,
+          _ref$pageSpot = _ref.pageSpot,
+          pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
+          _ref$pageNumber = _ref.pageNumber,
+          pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
+      (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
+    }
+  }, {
+    key: "_setScaleUpdatePages",
+    value: function _setScaleUpdatePages(newScale, newValue) {
+      var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+      this._currentScaleValue = newValue.toString();
+
+      if (isSameScale(this._currentScale, newScale)) {
+        if (preset) {
+          this.eventBus.dispatch("scalechanging", {
+            source: this,
+            scale: newScale,
+            presetValue: newValue
+          });
+        }
+
+        return;
+      }
+
+      for (var i = 0, ii = this._pages.length; i < ii; i++) {
+        this._pages[i].update(newScale);
+      }
+
+      this._currentScale = newScale;
+
+      if (!noScroll) {
+        var page = this._currentPageNumber,
+            dest;
+
+        if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+          page = this._location.pageNumber;
+          dest = [null, {
+            name: "XYZ"
+          }, this._location.left, this._location.top, null];
+        }
+
+        this.scrollPageIntoView({
+          pageNumber: page,
+          destArray: dest,
+          allowNegativeOffset: true
+        });
+      }
+
+      this.eventBus.dispatch("scalechanging", {
+        source: this,
+        scale: newScale,
+        presetValue: preset ? newValue : undefined
+      });
+
+      if (this.defaultRenderingQueue) {
+        this.update();
+      }
+    }
+  }, {
+    key: "_setScale",
+    value: function _setScale(value) {
+      var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var scale = parseFloat(value);
+
+      if (scale > 0) {
+        this._setScaleUpdatePages(scale, value, noScroll, false);
+      } else {
+        var currentPage = this._pages[this._currentPageNumber - 1];
+
+        if (!currentPage) {
+          return;
+        }
+
+        var noPadding = this.isInPresentationMode || this.removePageBorders;
+        var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
+        var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
+
+        if (!noPadding && this._isScrollModeHorizontal) {
+          var _ref2 = [vPadding, hPadding];
+          hPadding = _ref2[0];
+          vPadding = _ref2[1];
+        }
+
+        var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
+        var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+
+        switch (value) {
+          case "page-actual":
+            scale = 1;
+            break;
+
+          case "page-width":
+            scale = pageWidthScale;
+            break;
+
+          case "page-height":
+            scale = pageHeightScale;
+            break;
+
+          case "page-fit":
+            scale = Math.min(pageWidthScale, pageHeightScale);
+            break;
+
+          case "auto":
+            var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+            scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
+            break;
+
+          default:
+            console.error("".concat(this._name, "._setScale: \"").concat(value, "\" is an unknown zoom value."));
+            return;
+        }
+
+        this._setScaleUpdatePages(scale, value, noScroll, true);
+      }
+    }
+  }, {
+    key: "_resetCurrentPageView",
+    value: function _resetCurrentPageView() {
+      if (this.isInPresentationMode) {
+        this._setScale(this._currentScaleValue, true);
+      }
+
+      var pageView = this._pages[this._currentPageNumber - 1];
+
+      this._scrollIntoView({
+        pageDiv: pageView.div
+      });
+    }
+  }, {
+    key: "scrollPageIntoView",
+    value: function scrollPageIntoView(_ref3) {
+      var pageNumber = _ref3.pageNumber,
+          _ref3$destArray = _ref3.destArray,
+          destArray = _ref3$destArray === void 0 ? null : _ref3$destArray,
+          _ref3$allowNegativeOf = _ref3.allowNegativeOffset,
+          allowNegativeOffset = _ref3$allowNegativeOf === void 0 ? false : _ref3$allowNegativeOf,
+          _ref3$ignoreDestinati = _ref3.ignoreDestinationZoom,
+          ignoreDestinationZoom = _ref3$ignoreDestinati === void 0 ? false : _ref3$ignoreDestinati;
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      var pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+
+      if (!pageView) {
+        console.error("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
+        return;
+      }
+
+      if (this.isInPresentationMode || !destArray) {
+        this._setCurrentPageNumber(pageNumber, true);
+
+        return;
+      }
+
+      var x = 0,
+          y = 0;
+      var width = 0,
+          height = 0,
+          widthScale,
+          heightScale;
+      var changeOrientation = pageView.rotation % 180 !== 0;
+      var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
+      var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
+      var scale = 0;
+
+      switch (destArray[1].name) {
+        case "XYZ":
+          x = destArray[2];
+          y = destArray[3];
+          scale = destArray[4];
+          x = x !== null ? x : 0;
+          y = y !== null ? y : pageHeight;
+          break;
+
+        case "Fit":
+        case "FitB":
+          scale = "page-fit";
+          break;
+
+        case "FitH":
+        case "FitBH":
+          y = destArray[2];
+          scale = "page-width";
+
+          if (y === null && this._location) {
+            x = this._location.left;
+            y = this._location.top;
+          }
+
+          break;
+
+        case "FitV":
+        case "FitBV":
+          x = destArray[2];
+          width = pageWidth;
+          height = pageHeight;
+          scale = "page-height";
+          break;
+
+        case "FitR":
+          x = destArray[2];
+          y = destArray[3];
+          width = destArray[4] - x;
+          height = destArray[5] - y;
+          var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
+          var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
+          widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
+          heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
+          scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+          break;
+
+        default:
+          console.error("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(destArray[1].name, "\" is not a valid destination type."));
+          return;
+      }
+
+      if (!ignoreDestinationZoom) {
+        if (scale && scale !== this._currentScale) {
+          this.currentScaleValue = scale;
+        } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
+          this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+        }
+      }
+
+      if (scale === "page-fit" && !destArray[4]) {
+        this._scrollIntoView({
+          pageDiv: pageView.div,
+          pageNumber: pageNumber
+        });
+
+        return;
+      }
+
+      var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+      var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+      var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+
+      if (!allowNegativeOffset) {
+        left = Math.max(left, 0);
+        top = Math.max(top, 0);
+      }
+
+      this._scrollIntoView({
+        pageDiv: pageView.div,
+        pageSpot: {
+          left: left,
+          top: top
+        },
+        pageNumber: pageNumber
+      });
+    }
+  }, {
+    key: "_updateLocation",
+    value: function _updateLocation(firstPage) {
+      var currentScale = this._currentScale;
+      var currentScaleValue = this._currentScaleValue;
+      var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+      var pageNumber = firstPage.id;
+      var pdfOpenParams = "#page=" + pageNumber;
+      pdfOpenParams += "&zoom=" + normalizedScaleValue;
+      var currentPageView = this._pages[pageNumber - 1];
+      var container = this.container;
+      var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+      var intLeft = Math.round(topLeft[0]);
+      var intTop = Math.round(topLeft[1]);
+      pdfOpenParams += "," + intLeft + "," + intTop;
+      this._location = {
+        pageNumber: pageNumber,
+        scale: normalizedScaleValue,
+        top: intTop,
+        left: intLeft,
+        rotation: this._pagesRotation,
+        pdfOpenParams: pdfOpenParams
+      };
+    }
+  }, {
+    key: "_updateHelper",
+    value: function _updateHelper(visiblePages) {
+      throw new Error("Not implemented: _updateHelper");
+    }
+  }, {
+    key: "update",
+    value: function update() {
+      var visible = this._getVisiblePages();
+
+      var visiblePages = visible.views,
+          numVisiblePages = visiblePages.length;
+
+      if (numVisiblePages === 0) {
+        return;
+      }
+
+      var newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+
+      this._buffer.resize(newCacheSize, visiblePages);
+
+      this.renderingQueue.renderHighestPriority(visible);
+
+      this._updateHelper(visiblePages);
+
+      this._updateLocation(visible.first);
+
+      this.eventBus.dispatch("updateviewarea", {
+        source: this,
+        location: this._location
+      });
+    }
+  }, {
+    key: "containsElement",
+    value: function containsElement(element) {
+      return this.container.contains(element);
+    }
+  }, {
+    key: "focus",
+    value: function focus() {
+      this.container.focus();
+    }
+  }, {
+    key: "_getCurrentVisiblePage",
+    value: function _getCurrentVisiblePage() {
+      if (!this.pagesCount) {
+        return {
+          views: []
+        };
+      }
+
+      var pageView = this._pages[this._currentPageNumber - 1];
+      var element = pageView.div;
+      var view = {
+        id: pageView.id,
+        x: element.offsetLeft + element.clientLeft,
+        y: element.offsetTop + element.clientTop,
+        view: pageView
+      };
+      return {
+        first: view,
+        last: view,
+        views: [view]
+      };
+    }
+  }, {
+    key: "_getVisiblePages",
+    value: function _getVisiblePages() {
+      return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
+    }
+  }, {
+    key: "isPageVisible",
+    value: function isPageVisible(pageNumber) {
+      if (!this.pdfDocument) {
+        return false;
+      }
+
+      if (pageNumber < 1 || pageNumber > this.pagesCount) {
+        console.error("".concat(this._name, ".isPageVisible: \"").concat(pageNumber, "\" is out of bounds."));
+        return false;
+      }
+
+      return this._getVisiblePages().views.some(function (view) {
+        return view.id === pageNumber;
+      });
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      for (var i = 0, ii = this._pages.length; i < ii; i++) {
+        if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
+          this._pages[i].reset();
+        }
+      }
+    }
+  }, {
+    key: "_cancelRendering",
+    value: function _cancelRendering() {
+      for (var i = 0, ii = this._pages.length; i < ii; i++) {
+        if (this._pages[i]) {
+          this._pages[i].cancelRendering();
+        }
+      }
+    }
+  }, {
+    key: "_ensurePdfPageLoaded",
+    value: function _ensurePdfPageLoaded(pageView) {
+      var _this3 = this;
+
+      if (pageView.pdfPage) {
+        return Promise.resolve(pageView.pdfPage);
+      }
+
+      if (this._pagesRequests.has(pageView)) {
+        return this._pagesRequests.get(pageView);
+      }
+
+      var promise = this.pdfDocument.getPage(pageView.id).then(function (pdfPage) {
+        if (!pageView.pdfPage) {
+          pageView.setPdfPage(pdfPage);
+        }
+
+        _this3._pagesRequests["delete"](pageView);
+
+        return pdfPage;
+      })["catch"](function (reason) {
+        console.error("Unable to get page for page view", reason);
+
+        _this3._pagesRequests["delete"](pageView);
+      });
+
+      this._pagesRequests.set(pageView, promise);
+
+      return promise;
+    }
+  }, {
+    key: "forceRendering",
+    value: function forceRendering(currentlyVisiblePages) {
+      var _this4 = this;
+
+      var visiblePages = currentlyVisiblePages || this._getVisiblePages();
+
+      var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
+      var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
+
+      if (pageView) {
+        this._ensurePdfPageLoaded(pageView).then(function () {
+          _this4.renderingQueue.renderView(pageView);
+        });
+
+        return true;
+      }
+
+      return false;
+    }
+  }, {
+    key: "createTextLayerBuilder",
+    value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
+      var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+      var eventBus = arguments.length > 4 ? arguments[4] : undefined;
+      return new _text_layer_builder.TextLayerBuilder({
+        textLayerDiv: textLayerDiv,
+        eventBus: eventBus,
+        pageIndex: pageIndex,
+        viewport: viewport,
+        findController: this.isInPresentationMode ? null : this.findController,
+        enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
+      });
+    }
+  }, {
+    key: "createAnnotationLayerBuilder",
+    value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
+      var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
+      var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "";
+      var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
+      var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n;
+      return new _annotation_layer_builder.AnnotationLayerBuilder({
+        pageDiv: pageDiv,
+        pdfPage: pdfPage,
+        annotationStorage: annotationStorage,
+        imageResourcesPath: imageResourcesPath,
+        renderInteractiveForms: renderInteractiveForms,
+        linkService: this.linkService,
+        downloadManager: this.downloadManager,
+        l10n: l10n
+      });
+    }
+  }, {
+    key: "getPagesOverview",
+    value: function getPagesOverview() {
+      var pagesOverview = this._pages.map(function (pageView) {
+        var viewport = pageView.pdfPage.getViewport({
+          scale: 1
+        });
+        return {
+          width: viewport.width,
+          height: viewport.height,
+          rotation: viewport.rotation
+        };
+      });
+
+      if (!this.enablePrintAutoRotate) {
+        return pagesOverview;
+      }
+
+      return pagesOverview.map(function (size) {
+        if ((0, _ui_utils.isPortraitOrientation)(size)) {
+          return size;
+        }
+
+        return {
+          width: size.height,
+          height: size.width,
+          rotation: (size.rotation + 90) % 360
+        };
+      });
+    }
+  }, {
+    key: "_updateScrollMode",
+    value: function _updateScrollMode() {
+      var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+      var scrollMode = this._scrollMode,
+          viewer = this.viewer;
+      viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
+      viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
+
+      if (!this.pdfDocument || !pageNumber) {
+        return;
+      }
+
+      if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+        this._setScale(this._currentScaleValue, true);
+      }
+
+      this._setCurrentPageNumber(pageNumber, true);
+
+      this.update();
+    }
+  }, {
+    key: "_updateSpreadMode",
+    value: function _updateSpreadMode() {
+      var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      var viewer = this.viewer,
+          pages = this._pages;
+      viewer.textContent = "";
+
+      if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
+        for (var i = 0, iMax = pages.length; i < iMax; ++i) {
+          viewer.appendChild(pages[i].div);
+        }
+      } else {
+        var parity = this._spreadMode - 1;
+        var spread = null;
+
+        for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
+          if (spread === null) {
+            spread = document.createElement("div");
+            spread.className = "spread";
+            viewer.appendChild(spread);
+          } else if (_i % 2 === parity) {
+            spread = spread.cloneNode(false);
+            viewer.appendChild(spread);
+          }
+
+          spread.appendChild(pages[_i].div);
+        }
+      }
+
+      if (!pageNumber) {
+        return;
+      }
+
+      this._setCurrentPageNumber(pageNumber, true);
+
+      this.update();
+    }
+  }, {
+    key: "pagesCount",
+    get: function get() {
+      return this._pages.length;
+    }
+  }, {
+    key: "pageViewsReady",
+    get: function get() {
+      if (!this._pagesCapability.settled) {
+        return false;
+      }
+
+      return this._pages.every(function (pageView) {
+        return pageView && pageView.pdfPage;
+      });
+    }
+  }, {
+    key: "currentPageNumber",
+    get: function get() {
+      return this._currentPageNumber;
+    },
+    set: function set(val) {
+      if (!Number.isInteger(val)) {
+        throw new Error("Invalid page number.");
+      }
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      if (!this._setCurrentPageNumber(val, true)) {
+        console.error("".concat(this._name, ".currentPageNumber: \"").concat(val, "\" is not a valid page."));
+      }
+    }
+  }, {
+    key: "currentPageLabel",
+    get: function get() {
+      return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
+    },
+    set: function set(val) {
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      var page = val | 0;
+
+      if (this._pageLabels) {
+        var i = this._pageLabels.indexOf(val);
+
+        if (i >= 0) {
+          page = i + 1;
+        }
+      }
+
+      if (!this._setCurrentPageNumber(page, true)) {
+        console.error("".concat(this._name, ".currentPageLabel: \"").concat(val, "\" is not a valid page."));
+      }
+    }
+  }, {
+    key: "currentScale",
+    get: function get() {
+      return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
+    },
+    set: function set(val) {
+      if (isNaN(val)) {
+        throw new Error("Invalid numeric scale.");
+      }
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      this._setScale(val, false);
+    }
+  }, {
+    key: "currentScaleValue",
+    get: function get() {
+      return this._currentScaleValue;
+    },
+    set: function set(val) {
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      this._setScale(val, false);
+    }
+  }, {
+    key: "pagesRotation",
+    get: function get() {
+      return this._pagesRotation;
+    },
+    set: function set(rotation) {
+      if (!(0, _ui_utils.isValidRotation)(rotation)) {
+        throw new Error("Invalid pages rotation angle.");
+      }
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      if (this._pagesRotation === rotation) {
+        return;
+      }
+
+      this._pagesRotation = rotation;
+      var pageNumber = this._currentPageNumber;
+
+      for (var i = 0, ii = this._pages.length; i < ii; i++) {
+        var pageView = this._pages[i];
+        pageView.update(pageView.scale, rotation);
+      }
+
+      if (this._currentScaleValue) {
+        this._setScale(this._currentScaleValue, true);
+      }
+
+      this.eventBus.dispatch("rotationchanging", {
+        source: this,
+        pagesRotation: rotation,
+        pageNumber: pageNumber
+      });
+
+      if (this.defaultRenderingQueue) {
+        this.update();
+      }
+    }
+  }, {
+    key: "firstPagePromise",
+    get: function get() {
+      return this.pdfDocument ? this._firstPageCapability.promise : null;
+    }
+  }, {
+    key: "onePageRendered",
+    get: function get() {
+      return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+    }
+  }, {
+    key: "pagesPromise",
+    get: function get() {
+      return this.pdfDocument ? this._pagesCapability.promise : null;
+    }
+  }, {
+    key: "_viewerElement",
+    get: function get() {
+      throw new Error("Not implemented: _viewerElement");
+    }
+  }, {
+    key: "_isScrollModeHorizontal",
+    get: function get() {
+      return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
+    }
+  }, {
+    key: "isInPresentationMode",
+    get: function get() {
+      return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
+    }
+  }, {
+    key: "isChangingPresentationMode",
+    get: function get() {
+      return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
+    }
+  }, {
+    key: "isHorizontalScrollbarEnabled",
+    get: function get() {
+      return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+    }
+  }, {
+    key: "isVerticalScrollbarEnabled",
+    get: function get() {
+      return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+    }
+  }, {
+    key: "hasEqualPageSizes",
+    get: function get() {
+      var firstPageView = this._pages[0];
+
+      for (var i = 1, ii = this._pages.length; i < ii; ++i) {
+        var pageView = this._pages[i];
+
+        if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  }, {
+    key: "optionalContentConfigPromise",
+    get: function get() {
+      if (!this.pdfDocument) {
+        return Promise.resolve(null);
+      }
+
+      if (!this._optionalContentConfigPromise) {
+        return this.pdfDocument.getOptionalContentConfig();
+      }
+
+      return this._optionalContentConfigPromise;
+    },
+    set: function set(promise) {
+      if (!(promise instanceof Promise)) {
+        throw new Error("Invalid optionalContentConfigPromise: ".concat(promise));
+      }
+
+      if (!this.pdfDocument) {
+        return;
+      }
+
+      if (!this._optionalContentConfigPromise) {
+        return;
+      }
+
+      this._optionalContentConfigPromise = promise;
+
+      var _iterator = _createForOfIteratorHelper(this._pages),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var pageView = _step.value;
+          pageView.update(pageView.scale, pageView.rotation, promise);
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      this.update();
+      this.eventBus.dispatch("optionalcontentconfigchanged", {
+        source: this,
+        promise: promise
+      });
+    }
+  }, {
+    key: "scrollMode",
+    get: function get() {
+      return this._scrollMode;
+    },
+    set: function set(mode) {
+      if (this._scrollMode === mode) {
+        return;
+      }
+
+      if (!(0, _ui_utils.isValidScrollMode)(mode)) {
+        throw new Error("Invalid scroll mode: ".concat(mode));
+      }
+
+      this._scrollMode = mode;
+      this.eventBus.dispatch("scrollmodechanged", {
+        source: this,
+        mode: mode
+      });
+
+      this._updateScrollMode(this._currentPageNumber);
+    }
+  }, {
+    key: "spreadMode",
+    get: function get() {
+      return this._spreadMode;
+    },
+    set: function set(mode) {
+      if (this._spreadMode === mode) {
+        return;
+      }
+
+      if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
+        throw new Error("Invalid spread mode: ".concat(mode));
+      }
+
+      this._spreadMode = mode;
+      this.eventBus.dispatch("spreadmodechanged", {
+        source: this,
+        mode: mode
+      });
+
+      this._updateSpreadMode(this._currentPageNumber);
+    }
+  }]);
+
+  return BaseViewer;
+}();
+
+exports.BaseViewer = BaseViewer;
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFViewer = void 0;
+
+var _base_viewer = __w_pdfjs_require__(19);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var PDFViewer = /*#__PURE__*/function (_BaseViewer) {
+  _inherits(PDFViewer, _BaseViewer);
+
+  var _super = _createSuper(PDFViewer);
+
+  function PDFViewer() {
+    _classCallCheck(this, PDFViewer);
+
+    return _super.apply(this, arguments);
+  }
+
+  _createClass(PDFViewer, [{
+    key: "_scrollIntoView",
+    value: function _scrollIntoView(_ref) {
+      var pageDiv = _ref.pageDiv,
+          _ref$pageSpot = _ref.pageSpot,
+          pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
+          _ref$pageNumber = _ref.pageNumber,
+          pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
+
+      if (!pageSpot && !this.isInPresentationMode) {
+        var left = pageDiv.offsetLeft + pageDiv.clientLeft;
+        var right = left + pageDiv.clientWidth;
+        var _this$container = this.container,
+            scrollLeft = _this$container.scrollLeft,
+            clientWidth = _this$container.clientWidth;
+
+        if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
+          pageSpot = {
+            left: 0,
+            top: 0
+          };
+        }
+      }
+
+      _get(_getPrototypeOf(PDFViewer.prototype), "_scrollIntoView", this).call(this, {
+        pageDiv: pageDiv,
+        pageSpot: pageSpot,
+        pageNumber: pageNumber
+      });
+    }
+  }, {
+    key: "_getVisiblePages",
+    value: function _getVisiblePages() {
+      if (this.isInPresentationMode) {
+        return this._getCurrentVisiblePage();
+      }
+
+      return _get(_getPrototypeOf(PDFViewer.prototype), "_getVisiblePages", this).call(this);
+    }
+  }, {
+    key: "_updateHelper",
+    value: function _updateHelper(visiblePages) {
+      if (this.isInPresentationMode) {
+        return;
+      }
+
+      var currentId = this._currentPageNumber;
+      var stillFullyVisible = false;
+
+      var _iterator = _createForOfIteratorHelper(visiblePages),
+          _step;
+
+      try {
+        for (_iterator.s(); !(_step = _iterator.n()).done;) {
+          var page = _step.value;
+
+          if (page.percent < 100) {
+            break;
+          }
+
+          if (page.id === currentId) {
+            stillFullyVisible = true;
+            break;
+          }
+        }
+      } catch (err) {
+        _iterator.e(err);
+      } finally {
+        _iterator.f();
+      }
+
+      if (!stillFullyVisible) {
+        currentId = visiblePages[0].id;
+      }
+
+      this._setCurrentPageNumber(currentId);
+    }
+  }, {
+    key: "_viewerElement",
+    get: function get() {
+      return (0, _pdfjsLib.shadow)(this, "_viewerElement", this.viewer);
+    }
+  }]);
+
+  return PDFViewer;
+}(_base_viewer.BaseViewer);
+
+exports.PDFViewer = PDFViewer;
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf_viewer.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/es5/web/pdf_viewer.js.map b/node_modules/pdfjs-dist/es5/web/pdf_viewer.js.map
new file mode 100644
index 00000000..9d4d0149
--- /dev/null
+++ b/node_modules/pdfjs-dist/es5/web/pdf_viewer.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://pdfjs-dist/web/pdf_viewer/webpack/universalModuleDefinition","webpack://pdfjs-dist/web/pdf_viewer/webpack/bootstrap","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_viewer.component.js","webpack://pdfjs-dist/web/pdf_viewer/web/annotation_layer_builder.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdfjs.js","webpack://pdfjs-dist/web/pdf_viewer/web/ui_utils.js","webpack://pdfjs-dist/web/pdf_viewer/node_modules/@babel/runtime/regenerator/index.js","webpack://pdfjs-dist/web/pdf_viewer/node_modules/@babel/runtime/node_modules/regenerator-runtime/runtime.js","webpack://pdfjs-dist/web/pdf_viewer/node_modules/webpack/buildin/module.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_link_service.js","webpack://pdfjs-dist/web/pdf_viewer/web/text_layer_builder.js","webpack://pdfjs-dist/web/pdf_viewer/web/download_manager.js","webpack://pdfjs-dist/web/pdf_viewer/web/viewer_compatibility.js","webpack://pdfjs-dist/web/pdf_viewer/web/genericl10n.js","webpack://pdfjs-dist/web/pdf_viewer/external/webL10n/l10n.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_find_controller.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_find_utils.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_history.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_page_view.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_rendering_queue.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_single_page_viewer.js","webpack://pdfjs-dist/web/pdf_viewer/web/base_viewer.js","webpack://pdfjs-dist/web/pdf_viewer/web/pdf_viewer.js"],"names":["pdfjsVersion","pdfjsBuild","constructor","annotationStorage","imageResourcesPath","renderInteractiveForms","l10n","render","intent","annotations","parameters","viewport","dontFlip","div","page","linkService","downloadManager","AnnotationLayer","document","createAnnotationLayerBuilder","pageDiv","pdfPage","window","pdfjsLib","__non_webpack_require__","module","CSS_UNITS","DEFAULT_SCALE_VALUE","DEFAULT_SCALE","MIN_SCALE","MAX_SCALE","UNKNOWN_SCALE","MAX_AUTO_SCALE","SCROLLBAR_PADDING","VERTICAL_PADDING","PresentationModeState","UNKNOWN","NORMAL","CHANGING","FULLSCREEN","RendererType","CANVAS","SVG","TextLayerMode","DISABLE","ENABLE","ENABLE_ENHANCE","ScrollMode","VERTICAL","HORIZONTAL","WRAPPED","SpreadMode","NONE","ODD","EVEN","AutoPrintRegExp","name","args","NullL10n","formatL10nValue","devicePixelRatio","backingStoreRatio","ctx","pixelRatio","sx","sy","scaled","skipOverflowHiddenElements","parent","element","console","offsetY","offsetX","getComputedStyle","spot","debounceScroll","rAF","currentX","viewAreaElement","lastX","state","currentY","lastY","callback","right","down","_eventHandler","parts","query","params","Object","i","ii","param","key","value","decodeURIComponent","minIndex","maxIndex","items","condition","currentIndex","currentItem","Math","xinv","limit","x_","x","a","b","c","d","p","q","result","r","changeOrientation","rotate","width","height","index","elt","views","pageTop","sortByVisibility","horizontal","top","scrollEl","bottom","left","view","elementBottom","elementRight","visible","numViews","firstVisibleElementInd","binarySearchFirstItem","backtrackBeforeAllVisibleElements","lastEdge","currentWidth","currentHeight","viewWidth","viewHeight","viewRight","viewBottom","hiddenHeight","hiddenWidth","percent","id","y","first","last","pc","evt","url","defaultFilename","isDataSchema","reURI","reFilename","splitURI","suggestedFilename","delta","angle","normalizeWheelEventDirection","MOUSE_DOM_DELTA_PIXEL_MODE","MOUSE_DOM_DELTA_LINE_MODE","MOUSE_PIXELS_PER_LINE","MOUSE_LINES_PER_PAGE","Number","mode","size","WaitOnType","EVENT","TIMEOUT","delay","target","clearTimeout","resolve","eventHandler","handler","timeoutHandler","timeout","setTimeout","animationStarted","on","external","off","dispatch","eventListeners","Array","externalListeners","listener","_on","options","_off","units","progressSize","setWidth","container","viewer","scrollbarWidth","isNaN","clamp","moved","len","arr","write","read","require","runtime","Op","hasOwn","$Symbol","iteratorSymbol","asyncIteratorSymbol","toStringTagSymbol","enumerable","configurable","writable","obj","define","protoGenerator","outerFn","generator","context","tryLocsList","makeInvokeMethod","exports","type","arg","fn","GenStateSuspendedStart","GenStateSuspendedYield","GenStateExecuting","GenStateCompleted","ContinueSentinel","IteratorPrototype","getProto","NativeIteratorPrototype","values","Gp","GeneratorFunctionPrototype","Generator","GeneratorFunction","ctor","genFun","__await","record","tryCatch","reject","invoke","previousPromise","callInvokeWithMethodAndArg","defineIteratorMethods","AsyncIterator","PromiseImpl","iter","wrap","method","doneResult","delegate","delegateResult","maybeInvokeDelegate","done","info","entry","tryLoc","locs","keys","next","iteratorMethod","iterable","Context","reset","stop","rootEntry","rootRecord","dispatchException","handle","hasCatch","hasFinally","abrupt","finallyEntry","complete","finish","resetTryEntry","thrown","delega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getModuleExports() { return module; };\n \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__w_pdfjs_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AnnotationLayerBuilder,\n  DefaultAnnotationLayerFactory,\n} from \"./annotation_layer_builder.js\";\nimport {\n  DefaultTextLayerFactory,\n  TextLayerBuilder,\n} from \"./text_layer_builder.js\";\nimport { EventBus, NullL10n, ProgressBar } from \"./ui_utils.js\";\nimport { PDFLinkService, SimpleLinkService } from \"./pdf_link_service.js\";\nimport { DownloadManager } from \"./download_manager.js\";\nimport { GenericL10n } from \"./genericl10n.js\";\nimport { PDFFindController } from \"./pdf_find_controller.js\";\nimport { PDFHistory } from \"./pdf_history.js\";\nimport { PDFPageView } from \"./pdf_page_view.js\";\nimport { PDFSinglePageViewer } from \"./pdf_single_page_viewer.js\";\nimport { PDFViewer } from \"./pdf_viewer.js\";\n\n// eslint-disable-next-line no-unused-vars\nconst pdfjsVersion = PDFJSDev.eval(\"BUNDLE_VERSION\");\n// eslint-disable-next-line no-unused-vars\nconst pdfjsBuild = PDFJSDev.eval(\"BUNDLE_BUILD\");\n\nexport {\n  PDFViewer,\n  PDFSinglePageViewer,\n  PDFPageView,\n  PDFLinkService,\n  SimpleLinkService,\n  TextLayerBuilder,\n  DefaultTextLayerFactory,\n  AnnotationLayerBuilder,\n  DefaultAnnotationLayerFactory,\n  PDFHistory,\n  PDFFindController,\n  EventBus,\n  DownloadManager,\n  ProgressBar,\n  GenericL10n,\n  NullL10n,\n};\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AnnotationLayer } from \"pdfjs-lib\";\nimport { NullL10n } from \"./ui_utils.js\";\nimport { SimpleLinkService } from \"./pdf_link_service.js\";\n\n/**\n * @typedef {Object} AnnotationLayerBuilderOptions\n * @property {HTMLDivElement} pageDiv\n * @property {PDFPage} pdfPage\n * @property {AnnotationStorage} [annotationStorage]\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {IL10n} l10n - Localization service.\n */\n\nclass AnnotationLayerBuilder {\n  /**\n   * @param {AnnotationLayerBuilderOptions} options\n   */\n  constructor({\n    pageDiv,\n    pdfPage,\n    linkService,\n    downloadManager,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = true,\n    l10n = NullL10n,\n  }) {\n    this.pageDiv = pageDiv;\n    this.pdfPage = pdfPage;\n    this.linkService = linkService;\n    this.downloadManager = downloadManager;\n    this.imageResourcesPath = imageResourcesPath;\n    this.renderInteractiveForms = renderInteractiveForms;\n    this.l10n = l10n;\n    this.annotationStorage = annotationStorage;\n\n    this.div = null;\n    this._cancelled = false;\n  }\n\n  /**\n   * @param {PageViewport} viewport\n   * @param {string} intent (default value is 'display')\n   * @returns {Promise<void>} A promise that is resolved when rendering of the\n   *   annotations is complete.\n   */\n  render(viewport, intent = \"display\") {\n    return this.pdfPage.getAnnotations({ intent }).then(annotations => {\n      if (this._cancelled) {\n        return;\n      }\n      if (annotations.length === 0) {\n        return;\n      }\n\n      const parameters = {\n        viewport: viewport.clone({ dontFlip: true }),\n        div: this.div,\n        annotations,\n        page: this.pdfPage,\n        imageResourcesPath: this.imageResourcesPath,\n        renderInteractiveForms: this.renderInteractiveForms,\n        linkService: this.linkService,\n        downloadManager: this.downloadManager,\n        annotationStorage: this.annotationStorage,\n      };\n\n      if (this.div) {\n        // If an annotationLayer already exists, refresh its children's\n        // transformation matrices.\n        AnnotationLayer.update(parameters);\n      } else {\n        // Create an annotation layer div and render the annotations\n        // if there is at least one annotation.\n        this.div = document.createElement(\"div\");\n        this.div.className = \"annotationLayer\";\n        this.pageDiv.appendChild(this.div);\n        parameters.div = this.div;\n\n        AnnotationLayer.render(parameters);\n        this.l10n.translate(this.div);\n      }\n    });\n  }\n\n  cancel() {\n    this._cancelled = true;\n  }\n\n  hide() {\n    if (!this.div) {\n      return;\n    }\n    this.div.setAttribute(\"hidden\", \"true\");\n  }\n}\n\n/**\n * @implements IPDFAnnotationLayerFactory\n */\nclass DefaultAnnotationLayerFactory {\n  /**\n   * @param {HTMLDivElement} pageDiv\n   * @param {PDFPage} pdfPage\n   * @param {AnnotationStorage} [annotationStorage]\n   * @param {string} [imageResourcesPath] - Path for image resources, mainly\n   *   for annotation icons. Include trailing slash.\n   * @param {boolean} renderInteractiveForms\n   * @param {IL10n} l10n\n   * @returns {AnnotationLayerBuilder}\n   */\n  createAnnotationLayerBuilder(\n    pageDiv,\n    pdfPage,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = true,\n    l10n = NullL10n\n  ) {\n    return new AnnotationLayerBuilder({\n      pageDiv,\n      pdfPage,\n      imageResourcesPath,\n      renderInteractiveForms,\n      linkService: new SimpleLinkService(),\n      l10n,\n      annotationStorage,\n    });\n  }\n}\n\nexport { AnnotationLayerBuilder, DefaultAnnotationLayerFactory };\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals module, __non_webpack_require__ */\n\n\"use strict\";\n\nlet pdfjsLib;\nif (typeof window !== \"undefined\" && window[\"pdfjs-dist/build/pdf\"]) {\n  pdfjsLib = window[\"pdfjs-dist/build/pdf\"];\n} else {\n  pdfjsLib = __non_webpack_require__(\"../build/pdf.js\");\n}\nmodule.exports = pdfjsLib;\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CSS_UNITS = 96.0 / 72.0;\nconst DEFAULT_SCALE_VALUE = \"auto\";\nconst DEFAULT_SCALE = 1.0;\nconst MIN_SCALE = 0.1;\nconst MAX_SCALE = 10.0;\nconst UNKNOWN_SCALE = 0;\nconst MAX_AUTO_SCALE = 1.25;\nconst SCROLLBAR_PADDING = 40;\nconst VERTICAL_PADDING = 5;\n\nconst PresentationModeState = {\n  UNKNOWN: 0,\n  NORMAL: 1,\n  CHANGING: 2,\n  FULLSCREEN: 3,\n};\n\nconst RendererType = {\n  CANVAS: \"canvas\",\n  SVG: \"svg\",\n};\n\nconst TextLayerMode = {\n  DISABLE: 0,\n  ENABLE: 1,\n  ENABLE_ENHANCE: 2,\n};\n\nconst ScrollMode = {\n  UNKNOWN: -1,\n  VERTICAL: 0, // Default value.\n  HORIZONTAL: 1,\n  WRAPPED: 2,\n};\n\nconst SpreadMode = {\n  UNKNOWN: -1,\n  NONE: 0, // Default value.\n  ODD: 1,\n  EVEN: 2,\n};\n\n// Used by `PDFViewerApplication`, and by the API unit-tests.\nconst AutoPrintRegExp = /\\bprint\\s*\\(/;\n\n// Replaces {{arguments}} with their values.\nfunction formatL10nValue(text, args) {\n  if (!args) {\n    return text;\n  }\n  return text.replace(/\\{\\{\\s*(\\w+)\\s*\\}\\}/g, (all, name) => {\n    return name in args ? args[name] : \"{{\" + name + \"}}\";\n  });\n}\n\n/**\n * No-op implementation of the localization service.\n * @implements {IL10n}\n */\nconst NullL10n = {\n  async getLanguage() {\n    return \"en-us\";\n  },\n\n  async getDirection() {\n    return \"ltr\";\n  },\n\n  async get(property, args, fallback) {\n    return formatL10nValue(fallback, args);\n  },\n\n  async translate(element) {},\n};\n\n/**\n * Returns scale factor for the canvas. It makes sense for the HiDPI displays.\n * @returns {Object} The object with horizontal (sx) and vertical (sy)\n *                   scales. The scaled property is set to false if scaling is\n *                   not required, true otherwise.\n */\nfunction getOutputScale(ctx) {\n  const devicePixelRatio = window.devicePixelRatio || 1;\n  const backingStoreRatio =\n    ctx.webkitBackingStorePixelRatio ||\n    ctx.mozBackingStorePixelRatio ||\n    ctx.msBackingStorePixelRatio ||\n    ctx.oBackingStorePixelRatio ||\n    ctx.backingStorePixelRatio ||\n    1;\n  const pixelRatio = devicePixelRatio / backingStoreRatio;\n  return {\n    sx: pixelRatio,\n    sy: pixelRatio,\n    scaled: pixelRatio !== 1,\n  };\n}\n\n/**\n * Scrolls specified element into view of its parent.\n * @param {Object} element - The element to be visible.\n * @param {Object} spot - An object with optional top and left properties,\n *   specifying the offset from the top left edge.\n * @param {boolean} skipOverflowHiddenElements - Ignore elements that have\n *   the CSS rule `overflow: hidden;` set. The default is false.\n */\nfunction scrollIntoView(element, spot, skipOverflowHiddenElements = false) {\n  // Assuming offsetParent is available (it's not available when viewer is in\n  // hidden iframe or object). We have to scroll: if the offsetParent is not set\n  // producing the error. See also animationStarted.\n  let parent = element.offsetParent;\n  if (!parent) {\n    console.error(\"offsetParent is not set -- cannot scroll\");\n    return;\n  }\n  let offsetY = element.offsetTop + element.clientTop;\n  let offsetX = element.offsetLeft + element.clientLeft;\n  while (\n    (parent.clientHeight === parent.scrollHeight &&\n      parent.clientWidth === parent.scrollWidth) ||\n    (skipOverflowHiddenElements &&\n      getComputedStyle(parent).overflow === \"hidden\")\n  ) {\n    if (parent.dataset._scaleY) {\n      offsetY /= parent.dataset._scaleY;\n      offsetX /= parent.dataset._scaleX;\n    }\n    offsetY += parent.offsetTop;\n    offsetX += parent.offsetLeft;\n    parent = parent.offsetParent;\n    if (!parent) {\n      return; // no need to scroll\n    }\n  }\n  if (spot) {\n    if (spot.top !== undefined) {\n      offsetY += spot.top;\n    }\n    if (spot.left !== undefined) {\n      offsetX += spot.left;\n      parent.scrollLeft = offsetX;\n    }\n  }\n  parent.scrollTop = offsetY;\n}\n\n/**\n * Helper function to start monitoring the scroll event and converting them into\n * PDF.js friendly one: with scroll debounce and scroll direction.\n */\nfunction watchScroll(viewAreaElement, callback) {\n  const debounceScroll = function (evt) {\n    if (rAF) {\n      return;\n    }\n    // schedule an invocation of scroll for next animation frame.\n    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {\n      rAF = null;\n\n      const currentX = viewAreaElement.scrollLeft;\n      const lastX = state.lastX;\n      if (currentX !== lastX) {\n        state.right = currentX > lastX;\n      }\n      state.lastX = currentX;\n      const currentY = viewAreaElement.scrollTop;\n      const lastY = state.lastY;\n      if (currentY !== lastY) {\n        state.down = currentY > lastY;\n      }\n      state.lastY = currentY;\n      callback(state);\n    });\n  };\n\n  const state = {\n    right: true,\n    down: true,\n    lastX: viewAreaElement.scrollLeft,\n    lastY: viewAreaElement.scrollTop,\n    _eventHandler: debounceScroll,\n  };\n\n  let rAF = null;\n  viewAreaElement.addEventListener(\"scroll\", debounceScroll, true);\n  return state;\n}\n\n/**\n * Helper function to parse query string (e.g. ?param1=value&parm2=...).\n */\nfunction parseQueryString(query) {\n  const parts = query.split(\"&\");\n  const params = Object.create(null);\n  for (let i = 0, ii = parts.length; i < ii; ++i) {\n    const param = parts[i].split(\"=\");\n    const key = param[0].toLowerCase();\n    const value = param.length > 1 ? param[1] : null;\n    params[decodeURIComponent(key)] = decodeURIComponent(value);\n  }\n  return params;\n}\n\n/**\n * Use binary search to find the index of the first item in a given array which\n * passes a given condition. The items are expected to be sorted in the sense\n * that if the condition is true for one item in the array, then it is also true\n * for all following items.\n *\n * @returns {number} Index of the first array element to pass the test,\n *                   or |items.length| if no such element exists.\n */\nfunction binarySearchFirstItem(items, condition) {\n  let minIndex = 0;\n  let maxIndex = items.length - 1;\n\n  if (maxIndex < 0 || !condition(items[maxIndex])) {\n    return items.length;\n  }\n  if (condition(items[minIndex])) {\n    return minIndex;\n  }\n\n  while (minIndex < maxIndex) {\n    const currentIndex = (minIndex + maxIndex) >> 1;\n    const currentItem = items[currentIndex];\n    if (condition(currentItem)) {\n      maxIndex = currentIndex;\n    } else {\n      minIndex = currentIndex + 1;\n    }\n  }\n  return minIndex; /* === maxIndex */\n}\n\n/**\n *  Approximates float number as a fraction using Farey sequence (max order\n *  of 8).\n *  @param {number} x - Positive float number.\n *  @returns {Array} Estimated fraction: the first array item is a numerator,\n *                   the second one is a denominator.\n */\nfunction approximateFraction(x) {\n  // Fast paths for int numbers or their inversions.\n  if (Math.floor(x) === x) {\n    return [x, 1];\n  }\n  const xinv = 1 / x;\n  const limit = 8;\n  if (xinv > limit) {\n    return [1, limit];\n  } else if (Math.floor(xinv) === xinv) {\n    return [1, xinv];\n  }\n\n  const x_ = x > 1 ? xinv : x;\n  // a/b and c/d are neighbours in Farey sequence.\n  let a = 0,\n    b = 1,\n    c = 1,\n    d = 1;\n  // Limiting search to order 8.\n  while (true) {\n    // Generating next term in sequence (order of q).\n    const p = a + c,\n      q = b + d;\n    if (q > limit) {\n      break;\n    }\n    if (x_ <= p / q) {\n      c = p;\n      d = q;\n    } else {\n      a = p;\n      b = q;\n    }\n  }\n  let result;\n  // Select closest of the neighbours to x.\n  if (x_ - a / b < c / d - x_) {\n    result = x_ === x ? [a, b] : [b, a];\n  } else {\n    result = x_ === x ? [c, d] : [d, c];\n  }\n  return result;\n}\n\nfunction roundToDivide(x, div) {\n  const r = x % div;\n  return r === 0 ? x : Math.round(x - r + div);\n}\n\n/**\n * Gets the size of the specified page, converted from PDF units to inches.\n * @param {Object} An Object containing the properties: {Array} `view`,\n *   {number} `userUnit`, and {number} `rotate`.\n * @returns {Object} An Object containing the properties: {number} `width`\n *   and {number} `height`, given in inches.\n */\nfunction getPageSizeInches({ view, userUnit, rotate }) {\n  const [x1, y1, x2, y2] = view;\n  // We need to take the page rotation into account as well.\n  const changeOrientation = rotate % 180 !== 0;\n\n  const width = ((x2 - x1) / 72) * userUnit;\n  const height = ((y2 - y1) / 72) * userUnit;\n\n  return {\n    width: changeOrientation ? height : width,\n    height: changeOrientation ? width : height,\n  };\n}\n\n/**\n * Helper function for getVisibleElements.\n *\n * @param {number} index - initial guess at the first visible element\n * @param {Array} views - array of pages, into which `index` is an index\n * @param {number} top - the top of the scroll pane\n * @returns {number} less than or equal to `index` that is definitely at or\n *   before the first visible element in `views`, but not by too much. (Usually,\n *   this will be the first element in the first partially visible row in\n *   `views`, although sometimes it goes back one row further.)\n */\nfunction backtrackBeforeAllVisibleElements(index, views, top) {\n  // binarySearchFirstItem's assumption is that the input is ordered, with only\n  // one index where the conditions flips from false to true: [false ...,\n  // true...]. With vertical scrolling and spreads, it is possible to have\n  // [false ..., true, false, true ...]. With wrapped scrolling we can have a\n  // similar sequence, with many more mixed true and false in the middle.\n  //\n  // So there is no guarantee that the binary search yields the index of the\n  // first visible element. It could have been any of the other visible elements\n  // that were preceded by a hidden element.\n\n  // Of course, if either this element or the previous (hidden) element is also\n  // the first element, there's nothing to worry about.\n  if (index < 2) {\n    return index;\n  }\n\n  // That aside, the possible cases are represented below.\n  //\n  //     ****  = fully hidden\n  //     A*B*  = mix of partially visible and/or hidden pages\n  //     CDEF  = fully visible\n  //\n  // (1) Binary search could have returned A, in which case we can stop.\n  // (2) Binary search could also have returned B, in which case we need to\n  // check the whole row.\n  // (3) Binary search could also have returned C, in which case we need to\n  // check the whole previous row.\n  //\n  // There's one other possibility:\n  //\n  //     ****  = fully hidden\n  //     ABCD  = mix of fully and/or partially visible pages\n  //\n  // (4) Binary search could only have returned A.\n\n  // Initially assume that we need to find the beginning of the current row\n  // (case 1, 2, or 4), which means finding a page that is above the current\n  // page's top. If the found page is partially visible, we're definitely not in\n  // case 3, and this assumption is correct.\n  let elt = views[index].div;\n  let pageTop = elt.offsetTop + elt.clientTop;\n\n  if (pageTop >= top) {\n    // The found page is fully visible, so we're actually either in case 3 or 4,\n    // and unfortunately we can't tell the difference between them without\n    // scanning the entire previous row, so we just conservatively assume that\n    // we do need to backtrack to that row. In both cases, the previous page is\n    // in the previous row, so use its top instead.\n    elt = views[index - 1].div;\n    pageTop = elt.offsetTop + elt.clientTop;\n  }\n\n  // Now we backtrack to the first page that still has its bottom below\n  // `pageTop`, which is the top of a page in the first visible row (unless\n  // we're in case 4, in which case it's the row before that).\n  // `index` is found by binary search, so the page at `index - 1` is\n  // invisible and we can start looking for potentially visible pages from\n  // `index - 2`. (However, if this loop terminates on its first iteration,\n  // which is the case when pages are stacked vertically, `index` should remain\n  // unchanged, so we use a distinct loop variable.)\n  for (let i = index - 2; i >= 0; --i) {\n    elt = views[i].div;\n    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {\n      // We have reached the previous row, so stop now.\n      // This loop is expected to terminate relatively quickly because the\n      // number of pages per row is expected to be small.\n      break;\n    }\n    index = i;\n  }\n  return index;\n}\n\n/**\n * Generic helper to find out what elements are visible within a scroll pane.\n *\n * Well, pretty generic. There are some assumptions placed on the elements\n * referenced by `views`:\n *   - If `horizontal`, no left of any earlier element is to the right of the\n *     left of any later element.\n *   - Otherwise, `views` can be split into contiguous rows where, within a row,\n *     no top of any element is below the bottom of any other element, and\n *     between rows, no bottom of any element in an earlier row is below the\n *     top of any element in a later row.\n *\n * (Here, top, left, etc. all refer to the padding edge of the element in\n * question. For pages, that ends up being equivalent to the bounding box of the\n * rendering canvas. Earlier and later refer to index in `views`, not page\n * layout.)\n *\n * @param scrollEl {HTMLElement} - a container that can possibly scroll\n * @param views {Array} - objects with a `div` property that contains an\n *   HTMLElement, which should all be descendents of `scrollEl` satisfying the\n *   above layout assumptions\n * @param sortByVisibility {boolean} - if true, the returned elements are sorted\n *   in descending order of the percent of their padding box that is visible\n * @param horizontal {boolean} - if true, the elements are assumed to be laid\n *   out horizontally instead of vertically\n * @returns {Object} `{ first, last, views: [{ id, x, y, view, percent }] }`\n */\nfunction getVisibleElements(\n  scrollEl,\n  views,\n  sortByVisibility = false,\n  horizontal = false\n) {\n  const top = scrollEl.scrollTop,\n    bottom = top + scrollEl.clientHeight;\n  const left = scrollEl.scrollLeft,\n    right = left + scrollEl.clientWidth;\n\n  // Throughout this \"generic\" function, comments will assume we're working with\n  // PDF document pages, which is the most important and complex case. In this\n  // case, the visible elements we're actually interested is the page canvas,\n  // which is contained in a wrapper which adds no padding/border/margin, which\n  // is itself contained in `view.div` which adds no padding (but does add a\n  // border). So, as specified in this function's doc comment, this function\n  // does all of its work on the padding edge of the provided views, starting at\n  // offsetLeft/Top (which includes margin) and adding clientLeft/Top (which is\n  // the border). Adding clientWidth/Height gets us the bottom-right corner of\n  // the padding edge.\n  function isElementBottomAfterViewTop(view) {\n    const element = view.div;\n    const elementBottom =\n      element.offsetTop + element.clientTop + element.clientHeight;\n    return elementBottom > top;\n  }\n  function isElementRightAfterViewLeft(view) {\n    const element = view.div;\n    const elementRight =\n      element.offsetLeft + element.clientLeft + element.clientWidth;\n    return elementRight > left;\n  }\n\n  const visible = [],\n    numViews = views.length;\n  let firstVisibleElementInd =\n    numViews === 0\n      ? 0\n      : binarySearchFirstItem(\n          views,\n          horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop\n        );\n\n  // Please note the return value of the `binarySearchFirstItem` function when\n  // no valid element is found (hence the `firstVisibleElementInd` check below).\n  if (\n    firstVisibleElementInd > 0 &&\n    firstVisibleElementInd < numViews &&\n    !horizontal\n  ) {\n    // In wrapped scrolling (or vertical scrolling with spreads), with some page\n    // sizes, isElementBottomAfterViewTop doesn't satisfy the binary search\n    // condition: there can be pages with bottoms above the view top between\n    // pages with bottoms below. This function detects and corrects that error;\n    // see it for more comments.\n    firstVisibleElementInd = backtrackBeforeAllVisibleElements(\n      firstVisibleElementInd,\n      views,\n      top\n    );\n  }\n\n  // lastEdge acts as a cutoff for us to stop looping, because we know all\n  // subsequent pages will be hidden.\n  //\n  // When using wrapped scrolling or vertical scrolling with spreads, we can't\n  // simply stop the first time we reach a page below the bottom of the view;\n  // the tops of subsequent pages on the same row could still be visible. In\n  // horizontal scrolling, we don't have that issue, so we can stop as soon as\n  // we pass `right`, without needing the code below that handles the -1 case.\n  let lastEdge = horizontal ? right : -1;\n\n  for (let i = firstVisibleElementInd; i < numViews; i++) {\n    const view = views[i],\n      element = view.div;\n    const currentWidth = element.offsetLeft + element.clientLeft;\n    const currentHeight = element.offsetTop + element.clientTop;\n    const viewWidth = element.clientWidth,\n      viewHeight = element.clientHeight;\n    const viewRight = currentWidth + viewWidth;\n    const viewBottom = currentHeight + viewHeight;\n\n    if (lastEdge === -1) {\n      // As commented above, this is only needed in non-horizontal cases.\n      // Setting lastEdge to the bottom of the first page that is partially\n      // visible ensures that the next page fully below lastEdge is on the\n      // next row, which has to be fully hidden along with all subsequent rows.\n      if (viewBottom >= bottom) {\n        lastEdge = viewBottom;\n      }\n    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {\n      break;\n    }\n\n    if (\n      viewBottom <= top ||\n      currentHeight >= bottom ||\n      viewRight <= left ||\n      currentWidth >= right\n    ) {\n      continue;\n    }\n\n    const hiddenHeight =\n      Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);\n    const hiddenWidth =\n      Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);\n    const percent =\n      (((viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100) /\n        viewHeight /\n        viewWidth) |\n      0;\n    visible.push({\n      id: view.id,\n      x: currentWidth,\n      y: currentHeight,\n      view,\n      percent,\n    });\n  }\n\n  const first = visible[0],\n    last = visible[visible.length - 1];\n\n  if (sortByVisibility) {\n    visible.sort(function (a, b) {\n      const pc = a.percent - b.percent;\n      if (Math.abs(pc) > 0.001) {\n        return -pc;\n      }\n      return a.id - b.id; // ensure stability\n    });\n  }\n  return { first, last, views: visible };\n}\n\n/**\n * Event handler to suppress context menu.\n */\nfunction noContextMenuHandler(evt) {\n  evt.preventDefault();\n}\n\nfunction isDataSchema(url) {\n  let i = 0;\n  const ii = url.length;\n  while (i < ii && url[i].trim() === \"\") {\n    i++;\n  }\n  return url.substring(i, i + 5).toLowerCase() === \"data:\";\n}\n\n/**\n * Returns the filename or guessed filename from the url (see issue 3455).\n * @param {string} url - The original PDF location.\n * @param {string} defaultFilename - The value returned if the filename is\n *   unknown, or the protocol is unsupported.\n * @returns {string} Guessed PDF filename.\n */\nfunction getPDFFileNameFromURL(url, defaultFilename = \"document.pdf\") {\n  if (typeof url !== \"string\") {\n    return defaultFilename;\n  }\n  if (isDataSchema(url)) {\n    console.warn(\n      \"getPDFFileNameFromURL: \" +\n        'ignoring \"data:\" URL for performance reasons.'\n    );\n    return defaultFilename;\n  }\n  const reURI = /^(?:(?:[^:]+:)?\\/\\/[^\\/]+)?([^?#]*)(\\?[^#]*)?(#.*)?$/;\n  //              SCHEME        HOST         1.PATH  2.QUERY   3.REF\n  // Pattern to get last matching NAME.pdf\n  const reFilename = /[^\\/?#=]+\\.pdf\\b(?!.*\\.pdf\\b)/i;\n  const splitURI = reURI.exec(url);\n  let suggestedFilename =\n    reFilename.exec(splitURI[1]) ||\n    reFilename.exec(splitURI[2]) ||\n    reFilename.exec(splitURI[3]);\n  if (suggestedFilename) {\n    suggestedFilename = suggestedFilename[0];\n    if (suggestedFilename.includes(\"%\")) {\n      // URL-encoded %2Fpath%2Fto%2Ffile.pdf should be file.pdf\n      try {\n        suggestedFilename = reFilename.exec(\n          decodeURIComponent(suggestedFilename)\n        )[0];\n      } catch (ex) {\n        // Possible (extremely rare) errors:\n        // URIError \"Malformed URI\", e.g. for \"%AA.pdf\"\n        // TypeError \"null has no properties\", e.g. for \"%2F.pdf\"\n      }\n    }\n  }\n  return suggestedFilename || defaultFilename;\n}\n\nfunction normalizeWheelEventDirection(evt) {\n  let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);\n  const angle = Math.atan2(evt.deltaY, evt.deltaX);\n  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {\n    // All that is left-up oriented has to change the sign.\n    delta = -delta;\n  }\n  return delta;\n}\n\nfunction normalizeWheelEventDelta(evt) {\n  let delta = normalizeWheelEventDirection(evt);\n\n  const MOUSE_DOM_DELTA_PIXEL_MODE = 0;\n  const MOUSE_DOM_DELTA_LINE_MODE = 1;\n  const MOUSE_PIXELS_PER_LINE = 30;\n  const MOUSE_LINES_PER_PAGE = 30;\n\n  // Converts delta to per-page units\n  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {\n    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;\n  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {\n    delta /= MOUSE_LINES_PER_PAGE;\n  }\n  return delta;\n}\n\nfunction isValidRotation(angle) {\n  return Number.isInteger(angle) && angle % 90 === 0;\n}\n\nfunction isValidScrollMode(mode) {\n  return (\n    Number.isInteger(mode) &&\n    Object.values(ScrollMode).includes(mode) &&\n    mode !== ScrollMode.UNKNOWN\n  );\n}\n\nfunction isValidSpreadMode(mode) {\n  return (\n    Number.isInteger(mode) &&\n    Object.values(SpreadMode).includes(mode) &&\n    mode !== SpreadMode.UNKNOWN\n  );\n}\n\nfunction isPortraitOrientation(size) {\n  return size.width <= size.height;\n}\n\nconst WaitOnType = {\n  EVENT: \"event\",\n  TIMEOUT: \"timeout\",\n};\n\n/**\n * @typedef {Object} WaitOnEventOrTimeoutParameters\n * @property {Object} target - The event target, can for example be:\n *   `window`, `document`, a DOM element, or an {EventBus} instance.\n * @property {string} name - The name of the event.\n * @property {number} delay - The delay, in milliseconds, after which the\n *   timeout occurs (if the event wasn't already dispatched).\n */\n\n/**\n * Allows waiting for an event or a timeout, whichever occurs first.\n * Can be used to ensure that an action always occurs, even when an event\n * arrives late or not at all.\n *\n * @param {WaitOnEventOrTimeoutParameters}\n * @returns {Promise} A promise that is resolved with a {WaitOnType} value.\n */\nfunction waitOnEventOrTimeout({ target, name, delay = 0 }) {\n  return new Promise(function (resolve, reject) {\n    if (\n      typeof target !== \"object\" ||\n      !(name && typeof name === \"string\") ||\n      !(Number.isInteger(delay) && delay >= 0)\n    ) {\n      throw new Error(\"waitOnEventOrTimeout - invalid parameters.\");\n    }\n\n    function handler(type) {\n      if (target instanceof EventBus) {\n        target._off(name, eventHandler);\n      } else {\n        target.removeEventListener(name, eventHandler);\n      }\n\n      if (timeout) {\n        clearTimeout(timeout);\n      }\n      resolve(type);\n    }\n\n    const eventHandler = handler.bind(null, WaitOnType.EVENT);\n    if (target instanceof EventBus) {\n      target._on(name, eventHandler);\n    } else {\n      target.addEventListener(name, eventHandler);\n    }\n\n    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);\n    const timeout = setTimeout(timeoutHandler, delay);\n  });\n}\n\n/**\n * Promise that is resolved when DOM window becomes visible.\n */\nconst animationStarted = new Promise(function (resolve) {\n  if (\n    typeof PDFJSDev !== \"undefined\" &&\n    PDFJSDev.test(\"LIB && TESTING\") &&\n    typeof window === \"undefined\"\n  ) {\n    // Prevent \"ReferenceError: window is not defined\" errors when running the\n    // unit-tests in Node.js/Travis.\n    setTimeout(resolve, 20);\n    return;\n  }\n  window.requestAnimationFrame(resolve);\n});\n\n/**\n * NOTE: Only used to support various PDF viewer tests in `mozilla-central`.\n */\nfunction dispatchDOMEvent(eventName, args = null) {\n  if (typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"MOZCENTRAL\")) {\n    throw new Error(\"Not implemented: dispatchDOMEvent\");\n  }\n  const details = Object.create(null);\n  if (args && args.length > 0) {\n    const obj = args[0];\n    for (const key in obj) {\n      const value = obj[key];\n      if (key === \"source\") {\n        if (value === window || value === document) {\n          return; // No need to re-dispatch (already) global events.\n        }\n        continue; // Ignore the `source` property.\n      }\n      details[key] = value;\n    }\n  }\n  const event = document.createEvent(\"CustomEvent\");\n  event.initCustomEvent(eventName, true, true, details);\n  document.dispatchEvent(event);\n}\n\n/**\n * Simple event bus for an application. Listeners are attached using the `on`\n * and `off` methods. To raise an event, the `dispatch` method shall be used.\n */\nclass EventBus {\n  constructor(options) {\n    this._listeners = Object.create(null);\n\n    if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) {\n      this._isInAutomation = (options && options.isInAutomation) === true;\n    }\n  }\n\n  /**\n   * @param {string} eventName\n   * @param {function} listener\n   */\n  on(eventName, listener) {\n    this._on(eventName, listener, { external: true });\n  }\n\n  /**\n   * @param {string} eventName\n   * @param {function} listener\n   */\n  off(eventName, listener) {\n    this._off(eventName, listener, { external: true });\n  }\n\n  dispatch(eventName) {\n    const eventListeners = this._listeners[eventName];\n    if (!eventListeners || eventListeners.length === 0) {\n      if (\n        (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) &&\n        this._isInAutomation\n      ) {\n        const args = Array.prototype.slice.call(arguments, 1);\n        dispatchDOMEvent(eventName, args);\n      }\n      return;\n    }\n    // Passing all arguments after the eventName to the listeners.\n    const args = Array.prototype.slice.call(arguments, 1);\n    let externalListeners;\n    // Making copy of the listeners array in case if it will be modified\n    // during dispatch.\n    eventListeners.slice(0).forEach(function ({ listener, external }) {\n      if (external) {\n        if (!externalListeners) {\n          externalListeners = [];\n        }\n        externalListeners.push(listener);\n        return;\n      }\n      listener.apply(null, args);\n    });\n    // Dispatch any \"external\" listeners *after* the internal ones, to give the\n    // viewer components time to handle events and update their state first.\n    if (externalListeners) {\n      externalListeners.forEach(function (listener) {\n        listener.apply(null, args);\n      });\n      externalListeners = null;\n    }\n    if (\n      (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) &&\n      this._isInAutomation\n    ) {\n      dispatchDOMEvent(eventName, args);\n    }\n  }\n\n  /**\n   * @ignore\n   */\n  _on(eventName, listener, options = null) {\n    let eventListeners = this._listeners[eventName];\n    if (!eventListeners) {\n      this._listeners[eventName] = eventListeners = [];\n    }\n    eventListeners.push({\n      listener,\n      external: (options && options.external) === true,\n    });\n  }\n\n  /**\n   * @ignore\n   */\n  _off(eventName, listener, options = null) {\n    const eventListeners = this._listeners[eventName];\n    if (!eventListeners) {\n      return;\n    }\n    for (let i = 0, ii = eventListeners.length; i < ii; i++) {\n      if (eventListeners[i].listener === listener) {\n        eventListeners.splice(i, 1);\n        return;\n      }\n    }\n  }\n}\n\nfunction clamp(v, min, max) {\n  return Math.min(Math.max(v, min), max);\n}\n\nclass ProgressBar {\n  constructor(id, { height, width, units } = {}) {\n    this.visible = true;\n\n    // Fetch the sub-elements for later.\n    this.div = document.querySelector(id + \" .progress\");\n    // Get the loading bar element, so it can be resized to fit the viewer.\n    this.bar = this.div.parentNode;\n\n    // Get options, with sensible defaults.\n    this.height = height || 100;\n    this.width = width || 100;\n    this.units = units || \"%\";\n\n    // Initialize heights.\n    this.div.style.height = this.height + this.units;\n    this.percent = 0;\n  }\n\n  _updateBar() {\n    if (this._indeterminate) {\n      this.div.classList.add(\"indeterminate\");\n      this.div.style.width = this.width + this.units;\n      return;\n    }\n\n    this.div.classList.remove(\"indeterminate\");\n    const progressSize = (this.width * this._percent) / 100;\n    this.div.style.width = progressSize + this.units;\n  }\n\n  get percent() {\n    return this._percent;\n  }\n\n  set percent(val) {\n    this._indeterminate = isNaN(val);\n    this._percent = clamp(val, 0, 100);\n    this._updateBar();\n  }\n\n  setWidth(viewer) {\n    if (!viewer) {\n      return;\n    }\n    const container = viewer.parentNode;\n    const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;\n    if (scrollbarWidth > 0) {\n      this.bar.style.width = `calc(100% - ${scrollbarWidth}px)`;\n    }\n  }\n\n  hide() {\n    if (!this.visible) {\n      return;\n    }\n    this.visible = false;\n    this.bar.classList.add(\"hidden\");\n    document.body.classList.remove(\"loadingInProgress\");\n  }\n\n  show() {\n    if (this.visible) {\n      return;\n    }\n    this.visible = true;\n    document.body.classList.add(\"loadingInProgress\");\n    this.bar.classList.remove(\"hidden\");\n  }\n}\n\n/**\n * Moves all elements of an array that satisfy condition to the end of the\n * array, preserving the order of the rest.\n */\nfunction moveToEndOfArray(arr, condition) {\n  const moved = [],\n    len = arr.length;\n  let write = 0;\n  for (let read = 0; read < len; ++read) {\n    if (condition(arr[read])) {\n      moved.push(arr[read]);\n    } else {\n      arr[write] = arr[read];\n      ++write;\n    }\n  }\n  for (let read = 0; write < len; ++read, ++write) {\n    arr[write] = moved[read];\n  }\n}\n\nexport {\n  AutoPrintRegExp,\n  CSS_UNITS,\n  DEFAULT_SCALE_VALUE,\n  DEFAULT_SCALE,\n  MIN_SCALE,\n  MAX_SCALE,\n  UNKNOWN_SCALE,\n  MAX_AUTO_SCALE,\n  SCROLLBAR_PADDING,\n  VERTICAL_PADDING,\n  isValidRotation,\n  isValidScrollMode,\n  isValidSpreadMode,\n  isPortraitOrientation,\n  PresentationModeState,\n  RendererType,\n  TextLayerMode,\n  ScrollMode,\n  SpreadMode,\n  NullL10n,\n  EventBus,\n  clamp,\n  ProgressBar,\n  getPDFFileNameFromURL,\n  noContextMenuHandler,\n  parseQueryString,\n  backtrackBeforeAllVisibleElements, // only exported for testing\n  getVisibleElements,\n  roundToDivide,\n  getPageSizeInches,\n  approximateFraction,\n  getOutputScale,\n  scrollIntoView,\n  watchScroll,\n  binarySearchFirstItem,\n  normalizeWheelEventDirection,\n  normalizeWheelEventDelta,\n  animationStarted,\n  WaitOnType,\n  waitOnEventOrTimeout,\n  moveToEndOfArray,\n};\n","module.exports = require(\"regenerator-runtime\");\n","/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nvar runtime = (function (exports) {\n  \"use strict\";\n\n  var Op = Object.prototype;\n  var hasOwn = Op.hasOwnProperty;\n  var undefined; // More compressible than void 0.\n  var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n  var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n  var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n  var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n  function define(obj, key, value) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n    return obj[key];\n  }\n  try {\n    // IE 8 has a broken Object.defineProperty that only works on DOM objects.\n    define({}, \"\");\n  } catch (err) {\n    define = function(obj, key, value) {\n      return obj[key] = value;\n    };\n  }\n\n  function wrap(innerFn, outerFn, self, tryLocsList) {\n    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.\n    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n    var generator = Object.create(protoGenerator.prototype);\n    var context = new Context(tryLocsList || []);\n\n    // The ._invoke method unifies the implementations of the .next,\n    // .throw, and .return methods.\n    generator._invoke = makeInvokeMethod(innerFn, self, context);\n\n    return generator;\n  }\n  exports.wrap = wrap;\n\n  // Try/catch helper to minimize deoptimizations. Returns a completion\n  // record like context.tryEntries[i].completion. This interface could\n  // have been (and was previously) designed to take a closure to be\n  // invoked without arguments, but in all the cases we care about we\n  // already have an existing method we want to call, so there's no need\n  // to create a new function object. We can even get away with assuming\n  // the method takes exactly one argument, since that happens to be true\n  // in every case, so we don't have to touch the arguments object. The\n  // only additional allocation required is the completion record, which\n  // has a stable shape and so hopefully should be cheap to allocate.\n  function tryCatch(fn, obj, arg) {\n    try {\n      return { type: \"normal\", arg: fn.call(obj, arg) };\n    } catch (err) {\n      return { type: \"throw\", arg: err };\n    }\n  }\n\n  var GenStateSuspendedStart = \"suspendedStart\";\n  var GenStateSuspendedYield = \"suspendedYield\";\n  var GenStateExecuting = \"executing\";\n  var GenStateCompleted = \"completed\";\n\n  // Returning this object from the innerFn has the same effect as\n  // breaking out of the dispatch switch statement.\n  var ContinueSentinel = {};\n\n  // Dummy constructor functions that we use as the .constructor and\n  // .constructor.prototype properties for functions that return Generator\n  // objects. For full spec compliance, you may wish to configure your\n  // minifier not to mangle the names of these two functions.\n  function Generator() {}\n  function GeneratorFunction() {}\n  function GeneratorFunctionPrototype() {}\n\n  // This is a polyfill for %IteratorPrototype% for environments that\n  // don't natively support it.\n  var IteratorPrototype = {};\n  IteratorPrototype[iteratorSymbol] = function () {\n    return this;\n  };\n\n  var getProto = Object.getPrototypeOf;\n  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n  if (NativeIteratorPrototype &&\n      NativeIteratorPrototype !== Op &&\n      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n    // This environment has a native %IteratorPrototype%; use it instead\n    // of the polyfill.\n    IteratorPrototype = NativeIteratorPrototype;\n  }\n\n  var Gp = GeneratorFunctionPrototype.prototype =\n    Generator.prototype = Object.create(IteratorPrototype);\n  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n  GeneratorFunctionPrototype.constructor = GeneratorFunction;\n  GeneratorFunction.displayName = define(\n    GeneratorFunctionPrototype,\n    toStringTagSymbol,\n    \"GeneratorFunction\"\n  );\n\n  // Helper for defining the .next, .throw, and .return methods of the\n  // Iterator interface in terms of a single ._invoke method.\n  function defineIteratorMethods(prototype) {\n    [\"next\", \"throw\", \"return\"].forEach(function(method) {\n      define(prototype, method, function(arg) {\n        return this._invoke(method, arg);\n      });\n    });\n  }\n\n  exports.isGeneratorFunction = function(genFun) {\n    var ctor = typeof genFun === \"function\" && genFun.constructor;\n    return ctor\n      ? ctor === GeneratorFunction ||\n        // For the native GeneratorFunction constructor, the best we can\n        // do is to check its .name property.\n        (ctor.displayName || ctor.name) === \"GeneratorFunction\"\n      : false;\n  };\n\n  exports.mark = function(genFun) {\n    if (Object.setPrototypeOf) {\n      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n    } else {\n      genFun.__proto__ = GeneratorFunctionPrototype;\n      define(genFun, toStringTagSymbol, \"GeneratorFunction\");\n    }\n    genFun.prototype = Object.create(Gp);\n    return genFun;\n  };\n\n  // Within the body of any async function, `await x` is transformed to\n  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test\n  // `hasOwn.call(value, \"__await\")` to determine if the yielded value is\n  // meant to be awaited.\n  exports.awrap = function(arg) {\n    return { __await: arg };\n  };\n\n  function AsyncIterator(generator, PromiseImpl) {\n    function invoke(method, arg, resolve, reject) {\n      var record = tryCatch(generator[method], generator, arg);\n      if (record.type === \"throw\") {\n        reject(record.arg);\n      } else {\n        var result = record.arg;\n        var value = result.value;\n        if (value &&\n            typeof value === \"object\" &&\n            hasOwn.call(value, \"__await\")) {\n          return PromiseImpl.resolve(value.__await).then(function(value) {\n            invoke(\"next\", value, resolve, reject);\n          }, function(err) {\n            invoke(\"throw\", err, resolve, reject);\n          });\n        }\n\n        return PromiseImpl.resolve(value).then(function(unwrapped) {\n          // When a yielded Promise is resolved, its final value becomes\n          // the .value of the Promise<{value,done}> result for the\n          // current iteration.\n          result.value = unwrapped;\n          resolve(result);\n        }, function(error) {\n          // If a rejected Promise was yielded, throw the rejection back\n          // into the async generator function so it can be handled there.\n          return invoke(\"throw\", error, resolve, reject);\n        });\n      }\n    }\n\n    var previousPromise;\n\n    function enqueue(method, arg) {\n      function callInvokeWithMethodAndArg() {\n        return new PromiseImpl(function(resolve, reject) {\n          invoke(method, arg, resolve, reject);\n        });\n      }\n\n      return previousPromise =\n        // If enqueue has been called before, then we want to wait until\n        // all previous Promises have been resolved before calling invoke,\n        // so that results are always delivered in the correct order. If\n        // enqueue has not been called before, then it is important to\n        // call invoke immediately, without waiting on a callback to fire,\n        // so that the async generator function has the opportunity to do\n        // any necessary setup in a predictable way. This predictability\n        // is why the Promise constructor synchronously invokes its\n        // executor callback, and why async functions synchronously\n        // execute code before the first await. Since we implement simple\n        // async functions in terms of async generators, it is especially\n        // important to get this right, even though it requires care.\n        previousPromise ? previousPromise.then(\n          callInvokeWithMethodAndArg,\n          // Avoid propagating failures to Promises returned by later\n          // invocations of the iterator.\n          callInvokeWithMethodAndArg\n        ) : callInvokeWithMethodAndArg();\n    }\n\n    // Define the unified helper method that is used to implement .next,\n    // .throw, and .return (see defineIteratorMethods).\n    this._invoke = enqueue;\n  }\n\n  defineIteratorMethods(AsyncIterator.prototype);\n  AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n    return this;\n  };\n  exports.AsyncIterator = AsyncIterator;\n\n  // Note that simple async functions are implemented on top of\n  // AsyncIterator objects; they just return a Promise for the value of\n  // the final result produced by the iterator.\n  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n    if (PromiseImpl === void 0) PromiseImpl = Promise;\n\n    var iter = new AsyncIterator(\n      wrap(innerFn, outerFn, self, tryLocsList),\n      PromiseImpl\n    );\n\n    return exports.isGeneratorFunction(outerFn)\n      ? iter // If outerFn is a generator, return the full iterator.\n      : iter.next().then(function(result) {\n          return result.done ? result.value : iter.next();\n        });\n  };\n\n  function makeInvokeMethod(innerFn, self, context) {\n    var state = GenStateSuspendedStart;\n\n    return function invoke(method, arg) {\n      if (state === GenStateExecuting) {\n        throw new Error(\"Generator is already running\");\n      }\n\n      if (state === GenStateCompleted) {\n        if (method === \"throw\") {\n          throw arg;\n        }\n\n        // Be forgiving, per 25.3.3.3.3 of the spec:\n        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume\n        return doneResult();\n      }\n\n      context.method = method;\n      context.arg = arg;\n\n      while (true) {\n        var delegate = context.delegate;\n        if (delegate) {\n          var delegateResult = maybeInvokeDelegate(delegate, context);\n          if (delegateResult) {\n            if (delegateResult === ContinueSentinel) continue;\n            return delegateResult;\n          }\n        }\n\n        if (context.method === \"next\") {\n          // Setting context._sent for legacy support of Babel's\n          // function.sent implementation.\n          context.sent = context._sent = context.arg;\n\n        } else if (context.method === \"throw\") {\n          if (state === GenStateSuspendedStart) {\n            state = GenStateCompleted;\n            throw context.arg;\n          }\n\n          context.dispatchException(context.arg);\n\n        } else if (context.method === \"return\") {\n          context.abrupt(\"return\", context.arg);\n        }\n\n        state = GenStateExecuting;\n\n        var record = tryCatch(innerFn, self, context);\n        if (record.type === \"normal\") {\n          // If an exception is thrown from innerFn, we leave state ===\n          // GenStateExecuting and loop back for another invocation.\n          state = context.done\n            ? GenStateCompleted\n            : GenStateSuspendedYield;\n\n          if (record.arg === ContinueSentinel) {\n            continue;\n          }\n\n          return {\n            value: record.arg,\n            done: context.done\n          };\n\n        } else if (record.type === \"throw\") {\n          state = GenStateCompleted;\n          // Dispatch the exception by looping back around to the\n          // context.dispatchException(context.arg) call above.\n          context.method = \"throw\";\n          context.arg = record.arg;\n        }\n      }\n    };\n  }\n\n  // Call delegate.iterator[context.method](context.arg) and handle the\n  // result, either by returning a { value, done } result from the\n  // delegate iterator, or by modifying context.method and context.arg,\n  // setting context.delegate to null, and returning the ContinueSentinel.\n  function maybeInvokeDelegate(delegate, context) {\n    var method = delegate.iterator[context.method];\n    if (method === undefined) {\n      // A .throw or .return when the delegate iterator has no .throw\n      // method always terminates the yield* loop.\n      context.delegate = null;\n\n      if (context.method === \"throw\") {\n        // Note: [\"return\"] must be used for ES3 parsing compatibility.\n        if (delegate.iterator[\"return\"]) {\n          // If the delegate iterator has a return method, give it a\n          // chance to clean up.\n          context.method = \"return\";\n          context.arg = undefined;\n          maybeInvokeDelegate(delegate, context);\n\n          if (context.method === \"throw\") {\n            // If maybeInvokeDelegate(context) changed context.method from\n            // \"return\" to \"throw\", let that override the TypeError below.\n            return ContinueSentinel;\n          }\n        }\n\n        context.method = \"throw\";\n        context.arg = new TypeError(\n          \"The iterator does not provide a 'throw' method\");\n      }\n\n      return ContinueSentinel;\n    }\n\n    var record = tryCatch(method, delegate.iterator, context.arg);\n\n    if (record.type === \"throw\") {\n      context.method = \"throw\";\n      context.arg = record.arg;\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    var info = record.arg;\n\n    if (! info) {\n      context.method = \"throw\";\n      context.arg = new TypeError(\"iterator result is not an object\");\n      context.delegate = null;\n      return ContinueSentinel;\n    }\n\n    if (info.done) {\n      // Assign the result of the finished delegate to the temporary\n      // variable specified by delegate.resultName (see delegateYield).\n      context[delegate.resultName] = info.value;\n\n      // Resume execution at the desired location (see delegateYield).\n      context.next = delegate.nextLoc;\n\n      // If context.method was \"throw\" but the delegate handled the\n      // exception, let the outer generator proceed normally. If\n      // context.method was \"next\", forget context.arg since it has been\n      // \"consumed\" by the delegate iterator. If context.method was\n      // \"return\", allow the original .return call to continue in the\n      // outer generator.\n      if (context.method !== \"return\") {\n        context.method = \"next\";\n        context.arg = undefined;\n      }\n\n    } else {\n      // Re-yield the result returned by the delegate method.\n      return info;\n    }\n\n    // The delegate iterator is finished, so forget it and continue with\n    // the outer generator.\n    context.delegate = null;\n    return ContinueSentinel;\n  }\n\n  // Define Generator.prototype.{next,throw,return} in terms of the\n  // unified ._invoke helper method.\n  defineIteratorMethods(Gp);\n\n  define(Gp, toStringTagSymbol, \"Generator\");\n\n  // A Generator should always return itself as the iterator object when the\n  // @@iterator function is called on it. Some browsers' implementations of the\n  // iterator prototype chain incorrectly implement this, causing the Generator\n  // object to not be returned from this call. This ensures that doesn't happen.\n  // See https://github.com/facebook/regenerator/issues/274 for more details.\n  Gp[iteratorSymbol] = function() {\n    return this;\n  };\n\n  Gp.toString = function() {\n    return \"[object Generator]\";\n  };\n\n  function pushTryEntry(locs) {\n    var entry = { tryLoc: locs[0] };\n\n    if (1 in locs) {\n      entry.catchLoc = locs[1];\n    }\n\n    if (2 in locs) {\n      entry.finallyLoc = locs[2];\n      entry.afterLoc = locs[3];\n    }\n\n    this.tryEntries.push(entry);\n  }\n\n  function resetTryEntry(entry) {\n    var record = entry.completion || {};\n    record.type = \"normal\";\n    delete record.arg;\n    entry.completion = record;\n  }\n\n  function Context(tryLocsList) {\n    // The root entry object (effectively a try statement without a catch\n    // or a finally block) gives us a place to store values thrown from\n    // locations where there is no enclosing try statement.\n    this.tryEntries = [{ tryLoc: \"root\" }];\n    tryLocsList.forEach(pushTryEntry, this);\n    this.reset(true);\n  }\n\n  exports.keys = function(object) {\n    var keys = [];\n    for (var key in object) {\n      keys.push(key);\n    }\n    keys.reverse();\n\n    // Rather than returning an object with a next method, we keep\n    // things simple and return the next function itself.\n    return function next() {\n      while (keys.length) {\n        var key = keys.pop();\n        if (key in object) {\n          next.value = key;\n          next.done = false;\n          return next;\n        }\n      }\n\n      // To avoid creating an additional object, we just hang the .value\n      // and .done properties off the next function object itself. This\n      // also ensures that the minifier will not anonymize the function.\n      next.done = true;\n      return next;\n    };\n  };\n\n  function values(iterable) {\n    if (iterable) {\n      var iteratorMethod = iterable[iteratorSymbol];\n      if (iteratorMethod) {\n        return iteratorMethod.call(iterable);\n      }\n\n      if (typeof iterable.next === \"function\") {\n        return iterable;\n      }\n\n      if (!isNaN(iterable.length)) {\n        var i = -1, next = function next() {\n          while (++i < iterable.length) {\n            if (hasOwn.call(iterable, i)) {\n              next.value = iterable[i];\n              next.done = false;\n              return next;\n            }\n          }\n\n          next.value = undefined;\n          next.done = true;\n\n          return next;\n        };\n\n        return next.next = next;\n      }\n    }\n\n    // Return an iterator with no values.\n    return { next: doneResult };\n  }\n  exports.values = values;\n\n  function doneResult() {\n    return { value: undefined, done: true };\n  }\n\n  Context.prototype = {\n    constructor: Context,\n\n    reset: function(skipTempReset) {\n      this.prev = 0;\n      this.next = 0;\n      // Resetting context._sent for legacy support of Babel's\n      // function.sent implementation.\n      this.sent = this._sent = undefined;\n      this.done = false;\n      this.delegate = null;\n\n      this.method = \"next\";\n      this.arg = undefined;\n\n      this.tryEntries.forEach(resetTryEntry);\n\n      if (!skipTempReset) {\n        for (var name in this) {\n          // Not sure about the optimal order of these conditions:\n          if (name.charAt(0) === \"t\" &&\n              hasOwn.call(this, name) &&\n              !isNaN(+name.slice(1))) {\n            this[name] = undefined;\n          }\n        }\n      }\n    },\n\n    stop: function() {\n      this.done = true;\n\n      var rootEntry = this.tryEntries[0];\n      var rootRecord = rootEntry.completion;\n      if (rootRecord.type === \"throw\") {\n        throw rootRecord.arg;\n      }\n\n      return this.rval;\n    },\n\n    dispatchException: function(exception) {\n      if (this.done) {\n        throw exception;\n      }\n\n      var context = this;\n      function handle(loc, caught) {\n        record.type = \"throw\";\n        record.arg = exception;\n        context.next = loc;\n\n        if (caught) {\n          // If the dispatched exception was caught by a catch block,\n          // then let that catch block handle the exception normally.\n          context.method = \"next\";\n          context.arg = undefined;\n        }\n\n        return !! caught;\n      }\n\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        var record = entry.completion;\n\n        if (entry.tryLoc === \"root\") {\n          // Exception thrown outside of any try block that could handle\n          // it, so set the completion value of the entire function to\n          // throw the exception.\n          return handle(\"end\");\n        }\n\n        if (entry.tryLoc <= this.prev) {\n          var hasCatch = hasOwn.call(entry, \"catchLoc\");\n          var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n          if (hasCatch && hasFinally) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            } else if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else if (hasCatch) {\n            if (this.prev < entry.catchLoc) {\n              return handle(entry.catchLoc, true);\n            }\n\n          } else if (hasFinally) {\n            if (this.prev < entry.finallyLoc) {\n              return handle(entry.finallyLoc);\n            }\n\n          } else {\n            throw new Error(\"try statement without catch or finally\");\n          }\n        }\n      }\n    },\n\n    abrupt: function(type, arg) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc <= this.prev &&\n            hasOwn.call(entry, \"finallyLoc\") &&\n            this.prev < entry.finallyLoc) {\n          var finallyEntry = entry;\n          break;\n        }\n      }\n\n      if (finallyEntry &&\n          (type === \"break\" ||\n           type === \"continue\") &&\n          finallyEntry.tryLoc <= arg &&\n          arg <= finallyEntry.finallyLoc) {\n        // Ignore the finally entry if control is not jumping to a\n        // location outside the try/catch block.\n        finallyEntry = null;\n      }\n\n      var record = finallyEntry ? finallyEntry.completion : {};\n      record.type = type;\n      record.arg = arg;\n\n      if (finallyEntry) {\n        this.method = \"next\";\n        this.next = finallyEntry.finallyLoc;\n        return ContinueSentinel;\n      }\n\n      return this.complete(record);\n    },\n\n    complete: function(record, afterLoc) {\n      if (record.type === \"throw\") {\n        throw record.arg;\n      }\n\n      if (record.type === \"break\" ||\n          record.type === \"continue\") {\n        this.next = record.arg;\n      } else if (record.type === \"return\") {\n        this.rval = this.arg = record.arg;\n        this.method = \"return\";\n        this.next = \"end\";\n      } else if (record.type === \"normal\" && afterLoc) {\n        this.next = afterLoc;\n      }\n\n      return ContinueSentinel;\n    },\n\n    finish: function(finallyLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.finallyLoc === finallyLoc) {\n          this.complete(entry.completion, entry.afterLoc);\n          resetTryEntry(entry);\n          return ContinueSentinel;\n        }\n      }\n    },\n\n    \"catch\": function(tryLoc) {\n      for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n        var entry = this.tryEntries[i];\n        if (entry.tryLoc === tryLoc) {\n          var record = entry.completion;\n          if (record.type === \"throw\") {\n            var thrown = record.arg;\n            resetTryEntry(entry);\n          }\n          return thrown;\n        }\n      }\n\n      // The context.catch method must only be called with a location\n      // argument that corresponds to a known catch block.\n      throw new Error(\"illegal catch attempt\");\n    },\n\n    delegateYield: function(iterable, resultName, nextLoc) {\n      this.delegate = {\n        iterator: values(iterable),\n        resultName: resultName,\n        nextLoc: nextLoc\n      };\n\n      if (this.method === \"next\") {\n        // Deliberately forget the last sent value so that we don't\n        // accidentally pass it on to the delegate.\n        this.arg = undefined;\n      }\n\n      return ContinueSentinel;\n    }\n  };\n\n  // Regardless of whether this script is executing as a CommonJS module\n  // or not, return the runtime object so that we can declare the variable\n  // regeneratorRuntime in the outer scope, which allows this module to be\n  // injected easily by `bin/regenerator --include-runtime script.js`.\n  return exports;\n\n}(\n  // If this script is executing as a CommonJS module, use module.exports\n  // as the regeneratorRuntime namespace. Otherwise create a new empty\n  // object. Either way, the resulting object will be used to initialize\n  // the regeneratorRuntime variable at the top of this file.\n  typeof module === \"object\" ? module.exports : {}\n));\n\ntry {\n  regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n  // This module should not be running in strict mode, so the above\n  // assignment should always work unless something is misconfigured. Just\n  // in case runtime.js accidentally runs in strict mode, we can escape\n  // strict mode using a global Function call. This could conceivably fail\n  // if a Content Security Policy forbids using Function, but in that case\n  // the proper solution is to fix the accidental strict mode problem. If\n  // you've misconfigured your bundler to force strict mode and applied a\n  // CSP to forbid Function, and you're not willing to fix either of those\n  // problems, please detail your unique predicament in a GitHub issue.\n  Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { parseQueryString } from \"./ui_utils.js\";\n\n/**\n * @typedef {Object} PDFLinkServiceOptions\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} [externalLinkTarget] - Specifies the `target` attribute\n *   for external links. Must use one of the values from {LinkTarget}.\n *   Defaults to using no target.\n * @property {string} [externalLinkRel] - Specifies the `rel` attribute for\n *   external links. Defaults to stripping the referrer.\n * @property {boolean} [ignoreDestinationZoom] - Ignores the zoom argument,\n *   thus preserving the current zoom level in the viewer, when navigating\n *   to internal destinations. The default value is `false`.\n */\n\n/**\n * Performs navigation functions inside PDF, such as opening specified page,\n * or destination.\n * @implements {IPDFLinkService}\n */\nclass PDFLinkService {\n  /**\n   * @param {PDFLinkServiceOptions} options\n   */\n  constructor({\n    eventBus,\n    externalLinkTarget = null,\n    externalLinkRel = null,\n    externalLinkEnabled = true,\n    ignoreDestinationZoom = false,\n  } = {}) {\n    this.eventBus = eventBus;\n    this.externalLinkTarget = externalLinkTarget;\n    this.externalLinkRel = externalLinkRel;\n    this.externalLinkEnabled = externalLinkEnabled;\n    this._ignoreDestinationZoom = ignoreDestinationZoom;\n\n    this.baseUrl = null;\n    this.pdfDocument = null;\n    this.pdfViewer = null;\n    this.pdfHistory = null;\n\n    this._pagesRefCache = null;\n  }\n\n  setDocument(pdfDocument, baseUrl = null) {\n    this.baseUrl = baseUrl;\n    this.pdfDocument = pdfDocument;\n    this._pagesRefCache = Object.create(null);\n  }\n\n  setViewer(pdfViewer) {\n    this.pdfViewer = pdfViewer;\n  }\n\n  setHistory(pdfHistory) {\n    this.pdfHistory = pdfHistory;\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesCount() {\n    return this.pdfDocument ? this.pdfDocument.numPages : 0;\n  }\n\n  /**\n   * @type {number}\n   */\n  get page() {\n    return this.pdfViewer.currentPageNumber;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set page(value) {\n    this.pdfViewer.currentPageNumber = value;\n  }\n\n  /**\n   * @type {number}\n   */\n  get rotation() {\n    return this.pdfViewer.pagesRotation;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set rotation(value) {\n    this.pdfViewer.pagesRotation = value;\n  }\n\n  /**\n   * @param {string|Array} dest - The named, or explicit, PDF destination.\n   */\n  navigateTo(dest) {\n    const goToDestination = ({ namedDest, explicitDest }) => {\n      // Dest array looks like that: <page-ref> </XYZ|/FitXXX> <args..>\n      const destRef = explicitDest[0];\n      let pageNumber;\n\n      if (destRef instanceof Object) {\n        pageNumber = this._cachedPageNumber(destRef);\n\n        if (pageNumber === null) {\n          // Fetch the page reference if it's not yet available. This could\n          // only occur during loading, before all pages have been resolved.\n          this.pdfDocument\n            .getPageIndex(destRef)\n            .then(pageIndex => {\n              this.cachePageRef(pageIndex + 1, destRef);\n              goToDestination({ namedDest, explicitDest });\n            })\n            .catch(() => {\n              console.error(\n                `PDFLinkService.navigateTo: \"${destRef}\" is not ` +\n                  `a valid page reference, for dest=\"${dest}\".`\n              );\n            });\n          return;\n        }\n      } else if (Number.isInteger(destRef)) {\n        pageNumber = destRef + 1;\n      } else {\n        console.error(\n          `PDFLinkService.navigateTo: \"${destRef}\" is not ` +\n            `a valid destination reference, for dest=\"${dest}\".`\n        );\n        return;\n      }\n      if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {\n        console.error(\n          `PDFLinkService.navigateTo: \"${pageNumber}\" is not ` +\n            `a valid page number, for dest=\"${dest}\".`\n        );\n        return;\n      }\n\n      if (this.pdfHistory) {\n        // Update the browser history before scrolling the new destination into\n        // view, to be able to accurately capture the current document position.\n        this.pdfHistory.pushCurrentPosition();\n        this.pdfHistory.push({ namedDest, explicitDest, pageNumber });\n      }\n\n      this.pdfViewer.scrollPageIntoView({\n        pageNumber,\n        destArray: explicitDest,\n        ignoreDestinationZoom: this._ignoreDestinationZoom,\n      });\n    };\n\n    new Promise((resolve, reject) => {\n      if (typeof dest === \"string\") {\n        this.pdfDocument.getDestination(dest).then(destArray => {\n          resolve({\n            namedDest: dest,\n            explicitDest: destArray,\n          });\n        });\n        return;\n      }\n      resolve({\n        namedDest: \"\",\n        explicitDest: dest,\n      });\n    }).then(data => {\n      if (!Array.isArray(data.explicitDest)) {\n        console.error(\n          `PDFLinkService.navigateTo: \"${data.explicitDest}\" is` +\n            ` not a valid destination array, for dest=\"${dest}\".`\n        );\n        return;\n      }\n      goToDestination(data);\n    });\n  }\n\n  /**\n   * @param {string|Array} dest - The PDF destination object.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getDestinationHash(dest) {\n    if (typeof dest === \"string\") {\n      return this.getAnchorUrl(\"#\" + escape(dest));\n    }\n    if (Array.isArray(dest)) {\n      const str = JSON.stringify(dest);\n      return this.getAnchorUrl(\"#\" + escape(str));\n    }\n    return this.getAnchorUrl(\"\");\n  }\n\n  /**\n   * Prefix the full url on anchor links to make sure that links are resolved\n   * relative to the current URL instead of the one defined in <base href>.\n   * @param {string} anchor The anchor hash, including the #.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getAnchorUrl(anchor) {\n    return (this.baseUrl || \"\") + anchor;\n  }\n\n  /**\n   * @param {string} hash\n   */\n  setHash(hash) {\n    let pageNumber, dest;\n    if (hash.includes(\"=\")) {\n      const params = parseQueryString(hash);\n      if (\"search\" in params) {\n        this.eventBus.dispatch(\"findfromurlhash\", {\n          source: this,\n          query: params.search.replace(/\"/g, \"\"),\n          phraseSearch: params.phrase === \"true\",\n        });\n      }\n      // borrowing syntax from \"Parameters for Opening PDF Files\"\n      if (\"page\" in params) {\n        pageNumber = params.page | 0 || 1;\n      }\n      if (\"zoom\" in params) {\n        // Build the destination array.\n        const zoomArgs = params.zoom.split(\",\"); // scale,left,top\n        const zoomArg = zoomArgs[0];\n        const zoomArgNumber = parseFloat(zoomArg);\n\n        if (!zoomArg.includes(\"Fit\")) {\n          // If the zoomArg is a number, it has to get divided by 100. If it's\n          // a string, it should stay as it is.\n          dest = [\n            null,\n            { name: \"XYZ\" },\n            zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n            zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,\n            zoomArgNumber ? zoomArgNumber / 100 : zoomArg,\n          ];\n        } else {\n          if (zoomArg === \"Fit\" || zoomArg === \"FitB\") {\n            dest = [null, { name: zoomArg }];\n          } else if (\n            zoomArg === \"FitH\" ||\n            zoomArg === \"FitBH\" ||\n            zoomArg === \"FitV\" ||\n            zoomArg === \"FitBV\"\n          ) {\n            dest = [\n              null,\n              { name: zoomArg },\n              zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n            ];\n          } else if (zoomArg === \"FitR\") {\n            if (zoomArgs.length !== 5) {\n              console.error(\n                'PDFLinkService.setHash: Not enough parameters for \"FitR\".'\n              );\n            } else {\n              dest = [\n                null,\n                { name: zoomArg },\n                zoomArgs[1] | 0,\n                zoomArgs[2] | 0,\n                zoomArgs[3] | 0,\n                zoomArgs[4] | 0,\n              ];\n            }\n          } else {\n            console.error(\n              `PDFLinkService.setHash: \"${zoomArg}\" is not ` +\n                \"a valid zoom value.\"\n            );\n          }\n        }\n      }\n      if (dest) {\n        this.pdfViewer.scrollPageIntoView({\n          pageNumber: pageNumber || this.page,\n          destArray: dest,\n          allowNegativeOffset: true,\n        });\n      } else if (pageNumber) {\n        this.page = pageNumber; // simple page\n      }\n      if (\"pagemode\" in params) {\n        this.eventBus.dispatch(\"pagemode\", {\n          source: this,\n          mode: params.pagemode,\n        });\n      }\n      // Ensure that this parameter is *always* handled last, in order to\n      // guarantee that it won't be overridden (e.g. by the \"page\" parameter).\n      if (\"nameddest\" in params) {\n        this.navigateTo(params.nameddest);\n      }\n    } else {\n      // Named (or explicit) destination.\n      dest = unescape(hash);\n      try {\n        dest = JSON.parse(dest);\n\n        if (!Array.isArray(dest)) {\n          // Avoid incorrectly rejecting a valid named destination, such as\n          // e.g. \"4.3\" or \"true\", because `JSON.parse` converted its type.\n          dest = dest.toString();\n        }\n      } catch (ex) {}\n\n      if (typeof dest === \"string\" || isValidExplicitDestination(dest)) {\n        this.navigateTo(dest);\n        return;\n      }\n      console.error(\n        `PDFLinkService.setHash: \"${unescape(hash)}\" is not ` +\n          \"a valid destination.\"\n      );\n    }\n  }\n\n  /**\n   * @param {string} action\n   */\n  executeNamedAction(action) {\n    // See PDF reference, table 8.45 - Named action\n    switch (action) {\n      case \"GoBack\":\n        if (this.pdfHistory) {\n          this.pdfHistory.back();\n        }\n        break;\n\n      case \"GoForward\":\n        if (this.pdfHistory) {\n          this.pdfHistory.forward();\n        }\n        break;\n\n      case \"NextPage\":\n        if (this.page < this.pagesCount) {\n          this.page++;\n        }\n        break;\n\n      case \"PrevPage\":\n        if (this.page > 1) {\n          this.page--;\n        }\n        break;\n\n      case \"LastPage\":\n        this.page = this.pagesCount;\n        break;\n\n      case \"FirstPage\":\n        this.page = 1;\n        break;\n\n      default:\n        break; // No action according to spec\n    }\n\n    this.eventBus.dispatch(\"namedaction\", {\n      source: this,\n      action,\n    });\n  }\n\n  /**\n   * @param {number} pageNum - page number.\n   * @param {Object} pageRef - reference to the page.\n   */\n  cachePageRef(pageNum, pageRef) {\n    if (!pageRef) {\n      return;\n    }\n    const refStr =\n      pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;\n    this._pagesRefCache[refStr] = pageNum;\n  }\n\n  _cachedPageNumber(pageRef) {\n    const refStr =\n      pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;\n    return (this._pagesRefCache && this._pagesRefCache[refStr]) || null;\n  }\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    return this.pdfViewer.isPageVisible(pageNumber);\n  }\n}\n\nfunction isValidExplicitDestination(dest) {\n  if (!Array.isArray(dest)) {\n    return false;\n  }\n  const destLength = dest.length;\n  if (destLength < 2) {\n    return false;\n  }\n  const page = dest[0];\n  if (\n    !(\n      typeof page === \"object\" &&\n      Number.isInteger(page.num) &&\n      Number.isInteger(page.gen)\n    ) &&\n    !(Number.isInteger(page) && page >= 0)\n  ) {\n    return false;\n  }\n  const zoom = dest[1];\n  if (!(typeof zoom === \"object\" && typeof zoom.name === \"string\")) {\n    return false;\n  }\n  let allowNull = true;\n  switch (zoom.name) {\n    case \"XYZ\":\n      if (destLength !== 5) {\n        return false;\n      }\n      break;\n    case \"Fit\":\n    case \"FitB\":\n      return destLength === 2;\n    case \"FitH\":\n    case \"FitBH\":\n    case \"FitV\":\n    case \"FitBV\":\n      if (destLength !== 3) {\n        return false;\n      }\n      break;\n    case \"FitR\":\n      if (destLength !== 6) {\n        return false;\n      }\n      allowNull = false;\n      break;\n    default:\n      return false;\n  }\n  for (let i = 2; i < destLength; i++) {\n    const param = dest[i];\n    if (!(typeof param === \"number\" || (allowNull && param === null))) {\n      return false;\n    }\n  }\n  return true;\n}\n\n/**\n * @implements {IPDFLinkService}\n */\nclass SimpleLinkService {\n  constructor() {\n    this.externalLinkTarget = null;\n    this.externalLinkRel = null;\n    this.externalLinkEnabled = true;\n    this._ignoreDestinationZoom = false;\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesCount() {\n    return 0;\n  }\n\n  /**\n   * @type {number}\n   */\n  get page() {\n    return 0;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set page(value) {}\n\n  /**\n   * @type {number}\n   */\n  get rotation() {\n    return 0;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set rotation(value) {}\n\n  /**\n   * @param dest - The PDF destination object.\n   */\n  navigateTo(dest) {}\n\n  /**\n   * @param dest - The PDF destination object.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getDestinationHash(dest) {\n    return \"#\";\n  }\n\n  /**\n   * @param hash - The PDF parameters/hash.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getAnchorUrl(hash) {\n    return \"#\";\n  }\n\n  /**\n   * @param {string} hash\n   */\n  setHash(hash) {}\n\n  /**\n   * @param {string} action\n   */\n  executeNamedAction(action) {}\n\n  /**\n   * @param {number} pageNum - page number.\n   * @param {Object} pageRef - reference to the page.\n   */\n  cachePageRef(pageNum, pageRef) {}\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    return true;\n  }\n}\n\nexport { PDFLinkService, SimpleLinkService };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { renderTextLayer } from \"pdfjs-lib\";\n\nconst EXPAND_DIVS_TIMEOUT = 300; // ms\n\n/**\n * @typedef {Object} TextLayerBuilderOptions\n * @property {HTMLDivElement} textLayerDiv - The text layer container.\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} pageIndex - The page index.\n * @property {PageViewport} viewport - The viewport of the text layer.\n * @property {PDFFindController} findController\n * @property {boolean} enhanceTextSelection - Option to turn on improved\n *   text selection.\n */\n\n/**\n * The text layer builder provides text selection functionality for the PDF.\n * It does this by creating overlay divs over the PDF's text. These divs\n * contain text that matches the PDF text they are overlaying. This object\n * also provides a way to highlight text that is being searched for.\n */\nclass TextLayerBuilder {\n  constructor({\n    textLayerDiv,\n    eventBus,\n    pageIndex,\n    viewport,\n    findController = null,\n    enhanceTextSelection = false,\n  }) {\n    this.textLayerDiv = textLayerDiv;\n    this.eventBus = eventBus;\n    this.textContent = null;\n    this.textContentItemsStr = [];\n    this.textContentStream = null;\n    this.renderingDone = false;\n    this.pageIdx = pageIndex;\n    this.pageNumber = this.pageIdx + 1;\n    this.matches = [];\n    this.viewport = viewport;\n    this.textDivs = [];\n    this.findController = findController;\n    this.textLayerRenderTask = null;\n    this.enhanceTextSelection = enhanceTextSelection;\n\n    this._onUpdateTextLayerMatches = null;\n    this._bindMouse();\n  }\n\n  /**\n   * @private\n   */\n  _finishRendering() {\n    this.renderingDone = true;\n\n    if (!this.enhanceTextSelection) {\n      const endOfContent = document.createElement(\"div\");\n      endOfContent.className = \"endOfContent\";\n      this.textLayerDiv.appendChild(endOfContent);\n    }\n\n    this.eventBus.dispatch(\"textlayerrendered\", {\n      source: this,\n      pageNumber: this.pageNumber,\n      numTextDivs: this.textDivs.length,\n    });\n  }\n\n  /**\n   * Renders the text layer.\n   *\n   * @param {number} [timeout] - Wait for a specified amount of milliseconds\n   *                             before rendering.\n   */\n  render(timeout = 0) {\n    if (!(this.textContent || this.textContentStream) || this.renderingDone) {\n      return;\n    }\n    this.cancel();\n\n    this.textDivs = [];\n    const textLayerFrag = document.createDocumentFragment();\n    this.textLayerRenderTask = renderTextLayer({\n      textContent: this.textContent,\n      textContentStream: this.textContentStream,\n      container: textLayerFrag,\n      viewport: this.viewport,\n      textDivs: this.textDivs,\n      textContentItemsStr: this.textContentItemsStr,\n      timeout,\n      enhanceTextSelection: this.enhanceTextSelection,\n    });\n    this.textLayerRenderTask.promise.then(\n      () => {\n        this.textLayerDiv.appendChild(textLayerFrag);\n        this._finishRendering();\n        this._updateMatches();\n      },\n      function (reason) {\n        // Cancelled or failed to render text layer; skipping errors.\n      }\n    );\n\n    if (!this._onUpdateTextLayerMatches) {\n      this._onUpdateTextLayerMatches = evt => {\n        if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {\n          this._updateMatches();\n        }\n      };\n      this.eventBus._on(\n        \"updatetextlayermatches\",\n        this._onUpdateTextLayerMatches\n      );\n    }\n  }\n\n  /**\n   * Cancel rendering of the text layer.\n   */\n  cancel() {\n    if (this.textLayerRenderTask) {\n      this.textLayerRenderTask.cancel();\n      this.textLayerRenderTask = null;\n    }\n    if (this._onUpdateTextLayerMatches) {\n      this.eventBus._off(\n        \"updatetextlayermatches\",\n        this._onUpdateTextLayerMatches\n      );\n      this._onUpdateTextLayerMatches = null;\n    }\n  }\n\n  setTextContentStream(readableStream) {\n    this.cancel();\n    this.textContentStream = readableStream;\n  }\n\n  setTextContent(textContent) {\n    this.cancel();\n    this.textContent = textContent;\n  }\n\n  _convertMatches(matches, matchesLength) {\n    // Early exit if there is nothing to convert.\n    if (!matches) {\n      return [];\n    }\n    const { findController, textContentItemsStr } = this;\n\n    let i = 0,\n      iIndex = 0;\n    const end = textContentItemsStr.length - 1;\n    const queryLen = findController.state.query.length;\n    const result = [];\n\n    for (let m = 0, mm = matches.length; m < mm; m++) {\n      // Calculate the start position.\n      let matchIdx = matches[m];\n\n      // Loop over the divIdxs.\n      while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {\n        iIndex += textContentItemsStr[i].length;\n        i++;\n      }\n\n      if (i === textContentItemsStr.length) {\n        console.error(\"Could not find a matching mapping\");\n      }\n\n      const match = {\n        begin: {\n          divIdx: i,\n          offset: matchIdx - iIndex,\n        },\n      };\n\n      // Calculate the end position.\n      if (matchesLength) {\n        // Multiterm search.\n        matchIdx += matchesLength[m];\n      } else {\n        // Phrase search.\n        matchIdx += queryLen;\n      }\n\n      // Somewhat the same array as above, but use > instead of >= to get\n      // the end position right.\n      while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {\n        iIndex += textContentItemsStr[i].length;\n        i++;\n      }\n\n      match.end = {\n        divIdx: i,\n        offset: matchIdx - iIndex,\n      };\n      result.push(match);\n    }\n    return result;\n  }\n\n  _renderMatches(matches) {\n    // Early exit if there is nothing to render.\n    if (matches.length === 0) {\n      return;\n    }\n    const { findController, pageIdx, textContentItemsStr, textDivs } = this;\n\n    const isSelectedPage = pageIdx === findController.selected.pageIdx;\n    const selectedMatchIdx = findController.selected.matchIdx;\n    const highlightAll = findController.state.highlightAll;\n    let prevEnd = null;\n    const infinity = {\n      divIdx: -1,\n      offset: undefined,\n    };\n\n    function beginText(begin, className) {\n      const divIdx = begin.divIdx;\n      textDivs[divIdx].textContent = \"\";\n      appendTextToDiv(divIdx, 0, begin.offset, className);\n    }\n\n    function appendTextToDiv(divIdx, fromOffset, toOffset, className) {\n      const div = textDivs[divIdx];\n      const content = textContentItemsStr[divIdx].substring(\n        fromOffset,\n        toOffset\n      );\n      const node = document.createTextNode(content);\n      if (className) {\n        const span = document.createElement(\"span\");\n        span.className = className;\n        span.appendChild(node);\n        div.appendChild(span);\n        return;\n      }\n      div.appendChild(node);\n    }\n\n    let i0 = selectedMatchIdx,\n      i1 = i0 + 1;\n    if (highlightAll) {\n      i0 = 0;\n      i1 = matches.length;\n    } else if (!isSelectedPage) {\n      // Not highlighting all and this isn't the selected page, so do nothing.\n      return;\n    }\n\n    for (let i = i0; i < i1; i++) {\n      const match = matches[i];\n      const begin = match.begin;\n      const end = match.end;\n      const isSelected = isSelectedPage && i === selectedMatchIdx;\n      const highlightSuffix = isSelected ? \" selected\" : \"\";\n\n      if (isSelected) {\n        // Attempt to scroll the selected match into view.\n        findController.scrollMatchIntoView({\n          element: textDivs[begin.divIdx],\n          pageIndex: pageIdx,\n          matchIndex: selectedMatchIdx,\n        });\n      }\n\n      // Match inside new div.\n      if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {\n        // If there was a previous div, then add the text at the end.\n        if (prevEnd !== null) {\n          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n        }\n        // Clear the divs and set the content until the starting point.\n        beginText(begin);\n      } else {\n        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);\n      }\n\n      if (begin.divIdx === end.divIdx) {\n        appendTextToDiv(\n          begin.divIdx,\n          begin.offset,\n          end.offset,\n          \"highlight\" + highlightSuffix\n        );\n      } else {\n        appendTextToDiv(\n          begin.divIdx,\n          begin.offset,\n          infinity.offset,\n          \"highlight begin\" + highlightSuffix\n        );\n        for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {\n          textDivs[n0].className = \"highlight middle\" + highlightSuffix;\n        }\n        beginText(end, \"highlight end\" + highlightSuffix);\n      }\n      prevEnd = end;\n    }\n\n    if (prevEnd) {\n      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n    }\n  }\n\n  _updateMatches() {\n    // Only show matches when all rendering is done.\n    if (!this.renderingDone) {\n      return;\n    }\n    const {\n      findController,\n      matches,\n      pageIdx,\n      textContentItemsStr,\n      textDivs,\n    } = this;\n    let clearedUntilDivIdx = -1;\n\n    // Clear all current matches.\n    for (let i = 0, ii = matches.length; i < ii; i++) {\n      const match = matches[i];\n      const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);\n      for (let n = begin, end = match.end.divIdx; n <= end; n++) {\n        const div = textDivs[n];\n        div.textContent = textContentItemsStr[n];\n        div.className = \"\";\n      }\n      clearedUntilDivIdx = match.end.divIdx + 1;\n    }\n\n    if (!findController || !findController.highlightMatches) {\n      return;\n    }\n    // Convert the matches on the `findController` into the match format\n    // used for the textLayer.\n    const pageMatches = findController.pageMatches[pageIdx] || null;\n    const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;\n\n    this.matches = this._convertMatches(pageMatches, pageMatchesLength);\n    this._renderMatches(this.matches);\n  }\n\n  /**\n   * Improves text selection by adding an additional div where the mouse was\n   * clicked. This reduces flickering of the content if the mouse is slowly\n   * dragged up or down.\n   *\n   * @private\n   */\n  _bindMouse() {\n    const div = this.textLayerDiv;\n    let expandDivsTimer = null;\n\n    div.addEventListener(\"mousedown\", evt => {\n      if (this.enhanceTextSelection && this.textLayerRenderTask) {\n        this.textLayerRenderTask.expandTextDivs(true);\n        if (\n          (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) &&\n          expandDivsTimer\n        ) {\n          clearTimeout(expandDivsTimer);\n          expandDivsTimer = null;\n        }\n        return;\n      }\n\n      const end = div.querySelector(\".endOfContent\");\n      if (!end) {\n        return;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n        // On non-Firefox browsers, the selection will feel better if the height\n        // of the `endOfContent` div is adjusted to start at mouse click\n        // location. This avoids flickering when the selection moves up.\n        // However it does not work when selection is started on empty space.\n        let adjustTop = evt.target !== div;\n        if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n          adjustTop =\n            adjustTop &&\n            window\n              .getComputedStyle(end)\n              .getPropertyValue(\"-moz-user-select\") !== \"none\";\n        }\n        if (adjustTop) {\n          const divBounds = div.getBoundingClientRect();\n          const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);\n          end.style.top = (r * 100).toFixed(2) + \"%\";\n        }\n      }\n      end.classList.add(\"active\");\n    });\n\n    div.addEventListener(\"mouseup\", () => {\n      if (this.enhanceTextSelection && this.textLayerRenderTask) {\n        if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n          expandDivsTimer = setTimeout(() => {\n            if (this.textLayerRenderTask) {\n              this.textLayerRenderTask.expandTextDivs(false);\n            }\n            expandDivsTimer = null;\n          }, EXPAND_DIVS_TIMEOUT);\n        } else {\n          this.textLayerRenderTask.expandTextDivs(false);\n        }\n        return;\n      }\n\n      const end = div.querySelector(\".endOfContent\");\n      if (!end) {\n        return;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n        end.style.top = \"\";\n      }\n      end.classList.remove(\"active\");\n    });\n  }\n}\n\n/**\n * @implements IPDFTextLayerFactory\n */\nclass DefaultTextLayerFactory {\n  /**\n   * @param {HTMLDivElement} textLayerDiv\n   * @param {number} pageIndex\n   * @param {PageViewport} viewport\n   * @param {boolean} enhanceTextSelection\n   * @param {EventBus} eventBus\n   * @returns {TextLayerBuilder}\n   */\n  createTextLayerBuilder(\n    textLayerDiv,\n    pageIndex,\n    viewport,\n    enhanceTextSelection = false,\n    eventBus\n  ) {\n    return new TextLayerBuilder({\n      textLayerDiv,\n      pageIndex,\n      viewport,\n      enhanceTextSelection,\n      eventBus,\n    });\n  }\n}\n\nexport { TextLayerBuilder, DefaultTextLayerFactory };\n","/* Copyright 2013 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createObjectURL, createValidAbsoluteUrl } from \"pdfjs-lib\";\nimport { viewerCompatibilityParams } from \"./viewer_compatibility.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"CHROME || GENERIC\")) {\n  throw new Error(\n    'Module \"pdfjs-web/download_manager\" shall not be used ' +\n      \"outside CHROME and GENERIC builds.\"\n  );\n}\n\nfunction download(blobUrl, filename) {\n  const a = document.createElement(\"a\");\n  if (!a.click) {\n    throw new Error('DownloadManager: \"a.click()\" is not supported.');\n  }\n  a.href = blobUrl;\n  a.target = \"_parent\";\n  // Use a.download if available. This increases the likelihood that\n  // the file is downloaded instead of opened by another PDF plugin.\n  if (\"download\" in a) {\n    a.download = filename;\n  }\n  // <a> must be in the document for IE and recent Firefox versions,\n  // otherwise .click() is ignored.\n  (document.body || document.documentElement).appendChild(a);\n  a.click();\n  a.remove();\n}\n\nclass DownloadManager {\n  downloadUrl(url, filename) {\n    if (!createValidAbsoluteUrl(url, \"http://example.com\")) {\n      return; // restricted/invalid URL\n    }\n    download(url + \"#pdfjs.action=download\", filename);\n  }\n\n  downloadData(data, filename, contentType) {\n    if (navigator.msSaveBlob) {\n      // IE10 and above\n      navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);\n      return;\n    }\n    const blobUrl = createObjectURL(\n      data,\n      contentType,\n      viewerCompatibilityParams.disableCreateObjectURL\n    );\n    download(blobUrl, filename);\n  }\n\n  /**\n   * @param sourceEventType {string} Used to signal what triggered the download.\n   *   The version of PDF.js integrated with Firefox uses this to to determine\n   *   which dialog to show. \"save\" triggers \"save as\" and \"download\" triggers\n   *   the \"open with\" dialog.\n   */\n  download(blob, url, filename, sourceEventType = \"download\") {\n    if (navigator.msSaveBlob) {\n      // IE10 / IE11\n      if (!navigator.msSaveBlob(blob, filename)) {\n        this.downloadUrl(url, filename);\n      }\n      return;\n    }\n\n    if (viewerCompatibilityParams.disableCreateObjectURL) {\n      // URL.createObjectURL is not supported\n      this.downloadUrl(url, filename);\n      return;\n    }\n\n    const blobUrl = URL.createObjectURL(blob);\n    download(blobUrl, filename);\n  }\n}\n\nexport { DownloadManager };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst compatibilityParams = Object.create(null);\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const platform =\n    (typeof navigator !== \"undefined\" && navigator.platform) || \"\";\n  const maxTouchPoints =\n    (typeof navigator !== \"undefined\" && navigator.maxTouchPoints) || 1;\n\n  const isAndroid = /Android/.test(userAgent);\n  const isIE = /Trident/.test(userAgent);\n  const isIOS =\n    /\\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||\n    (platform === \"MacIntel\" && maxTouchPoints > 1);\n  const isIOSChrome = /CriOS/.test(userAgent);\n\n  // Checks if possible to use URL.createObjectURL()\n  // Support: IE, Chrome on iOS\n  (function checkOnBlobSupport() {\n    // Sometimes IE and Chrome on iOS losing the data created with\n    // createObjectURL(), see issues #3977 and #8081.\n    if (isIE || isIOSChrome) {\n      compatibilityParams.disableCreateObjectURL = true;\n    }\n  })();\n\n  // Limit canvas size to 5 mega-pixels on mobile.\n  // Support: Android, iOS\n  (function checkCanvasSizeLimitation() {\n    if (isIOS || isAndroid) {\n      compatibilityParams.maxCanvasPixels = 5242880;\n    }\n  })();\n}\nconst viewerCompatibilityParams = Object.freeze(compatibilityParams);\n\nexport { viewerCompatibilityParams };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport \"../external/webL10n/l10n.js\";\n\nconst webL10n = document.webL10n;\n\nclass GenericL10n {\n  constructor(lang) {\n    this._lang = lang;\n    this._ready = new Promise((resolve, reject) => {\n      webL10n.setLanguage(lang, () => {\n        resolve(webL10n);\n      });\n    });\n  }\n\n  async getLanguage() {\n    const l10n = await this._ready;\n    return l10n.getLanguage();\n  }\n\n  async getDirection() {\n    const l10n = await this._ready;\n    return l10n.getDirection();\n  }\n\n  async get(property, args, fallback) {\n    const l10n = await this._ready;\n    return l10n.get(property, args, fallback);\n  }\n\n  async translate(element) {\n    const l10n = await this._ready;\n    return l10n.translate(element);\n  }\n}\n\nexport { GenericL10n };\n","/**\n * Copyright (c) 2011-2013 Fabien Cazenave, Mozilla.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n/*\n  Additional modifications for PDF.js project:\n    - Disables language initialization on page loading.\n    - Disables document translation on page loading.\n    - Removes consoleWarn and consoleLog and use console.log/warn directly.\n    - Removes window._ assignment.\n    - Remove compatibility code for OldIE.\n    - Replaces `String.prototype.substr()` with `String.prototype.substring()`.\n    - Removes `fireL10nReadyEvent` since the \"localized\" event it dispatches\n      is unused and may clash with an identically named event in the viewer.\n*/\n\n/*jshint browser: true, devel: true, es5: true, globalstrict: true */\n'use strict';\n\ndocument.webL10n = (function(window, document, undefined) {\n  var gL10nData = {};\n  var gTextData = '';\n  var gTextProp = 'textContent';\n  var gLanguage = '';\n  var gMacros = {};\n  var gReadyState = 'loading';\n\n\n  /**\n   * Synchronously loading l10n resources significantly minimizes flickering\n   * from displaying the app with non-localized strings and then updating the\n   * strings. Although this will block all script execution on this page, we\n   * expect that the l10n resources are available locally on flash-storage.\n   *\n   * As synchronous XHR is generally considered as a bad idea, we're still\n   * loading l10n resources asynchronously -- but we keep this in a setting,\n   * just in case... and applications using this library should hide their\n   * content until the `localized' event happens.\n   */\n\n  var gAsyncResourceLoading = true; // read-only\n\n\n  /**\n   * DOM helpers for the so-called \"HTML API\".\n   *\n   * These functions are written for modern browsers. For old versions of IE,\n   * they're overridden in the 'startup' section at the end of this file.\n   */\n\n  function getL10nResourceLinks() {\n    return document.querySelectorAll('link[type=\"application/l10n\"]');\n  }\n\n  function getL10nDictionary() {\n    var script = document.querySelector('script[type=\"application/l10n\"]');\n    // TODO: support multiple and external JSON dictionaries\n    return script ? JSON.parse(script.innerHTML) : null;\n  }\n\n  function getTranslatableChildren(element) {\n    return element ? element.querySelectorAll('*[data-l10n-id]') : [];\n  }\n\n  function getL10nAttributes(element) {\n    if (!element)\n      return {};\n\n    var l10nId = element.getAttribute('data-l10n-id');\n    var l10nArgs = element.getAttribute('data-l10n-args');\n    var args = {};\n    if (l10nArgs) {\n      try {\n        args = JSON.parse(l10nArgs);\n      } catch (e) {\n        console.warn('could not parse arguments for #' + l10nId);\n      }\n    }\n    return { id: l10nId, args: args };\n  }\n\n  function xhrLoadText(url, onSuccess, onFailure) {\n    onSuccess = onSuccess || function _onSuccess(data) {};\n    onFailure = onFailure || function _onFailure() {};\n\n    var xhr = new XMLHttpRequest();\n    xhr.open('GET', url, gAsyncResourceLoading);\n    if (xhr.overrideMimeType) {\n      xhr.overrideMimeType('text/plain; charset=utf-8');\n    }\n    xhr.onreadystatechange = function() {\n      if (xhr.readyState == 4) {\n        if (xhr.status == 200 || xhr.status === 0) {\n          onSuccess(xhr.responseText);\n        } else {\n          onFailure();\n        }\n      }\n    };\n    xhr.onerror = onFailure;\n    xhr.ontimeout = onFailure;\n\n    // in Firefox OS with the app:// protocol, trying to XHR a non-existing\n    // URL will raise an exception here -- hence this ugly try...catch.\n    try {\n      xhr.send(null);\n    } catch (e) {\n      onFailure();\n    }\n  }\n\n\n  /**\n   * l10n resource parser:\n   *  - reads (async XHR) the l10n resource matching `lang';\n   *  - imports linked resources (synchronously) when specified;\n   *  - parses the text data (fills `gL10nData' and `gTextData');\n   *  - triggers success/failure callbacks when done.\n   *\n   * @param {string} href\n   *    URL of the l10n resource to parse.\n   *\n   * @param {string} lang\n   *    locale (language) to parse. Must be a lowercase string.\n   *\n   * @param {Function} successCallback\n   *    triggered when the l10n resource has been successfully parsed.\n   *\n   * @param {Function} failureCallback\n   *    triggered when the an error has occurred.\n   *\n   * @return {void}\n   *    uses the following global variables: gL10nData, gTextData, gTextProp.\n   */\n\n  function parseResource(href, lang, successCallback, failureCallback) {\n    var baseURL = href.replace(/[^\\/]*$/, '') || './';\n\n    // handle escaped characters (backslashes) in a string\n    function evalString(text) {\n      if (text.lastIndexOf('\\\\') < 0)\n        return text;\n      return text.replace(/\\\\\\\\/g, '\\\\')\n                 .replace(/\\\\n/g, '\\n')\n                 .replace(/\\\\r/g, '\\r')\n                 .replace(/\\\\t/g, '\\t')\n                 .replace(/\\\\b/g, '\\b')\n                 .replace(/\\\\f/g, '\\f')\n                 .replace(/\\\\{/g, '{')\n                 .replace(/\\\\}/g, '}')\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/\\\\'/g, \"'\");\n    }\n\n    // parse *.properties text data into an l10n dictionary\n    // If gAsyncResourceLoading is false, then the callback will be called\n    // synchronously. Otherwise it is called asynchronously.\n    function parseProperties(text, parsedPropertiesCallback) {\n      var dictionary = {};\n\n      // token expressions\n      var reBlank = /^\\s*|\\s*$/;\n      var reComment = /^\\s*#|^\\s*$/;\n      var reSection = /^\\s*\\[(.*)\\]\\s*$/;\n      var reImport = /^\\s*@import\\s+url\\((.*)\\)\\s*$/i;\n      var reSplit = /^([^=\\s]*)\\s*=\\s*(.+)$/; // TODO: escape EOLs with '\\'\n\n      // parse the *.properties file into an associative array\n      function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {\n        var entries = rawText.replace(reBlank, '').split(/[\\r\\n]+/);\n        var currentLang = '*';\n        var genericLang = lang.split('-', 1)[0];\n        var skipLang = false;\n        var match = '';\n\n        function nextEntry() {\n          // Use infinite loop instead of recursion to avoid reaching the\n          // maximum recursion limit for content with many lines.\n          while (true) {\n            if (!entries.length) {\n              parsedRawLinesCallback();\n              return;\n            }\n            var line = entries.shift();\n\n            // comment or blank line?\n            if (reComment.test(line))\n              continue;\n\n            // the extended syntax supports [lang] sections and @import rules\n            if (extendedSyntax) {\n              match = reSection.exec(line);\n              if (match) { // section start?\n                // RFC 4646, section 4.4, \"All comparisons MUST be performed\n                // in a case-insensitive manner.\"\n\n                currentLang = match[1].toLowerCase();\n                skipLang = (currentLang !== '*') &&\n                    (currentLang !== lang) && (currentLang !== genericLang);\n                continue;\n              } else if (skipLang) {\n                continue;\n              }\n              match = reImport.exec(line);\n              if (match) { // @import rule?\n                loadImport(baseURL + match[1], nextEntry);\n                return;\n              }\n            }\n\n            // key-value pair\n            var tmp = line.match(reSplit);\n            if (tmp && tmp.length == 3) {\n              dictionary[tmp[1]] = evalString(tmp[2]);\n            }\n          }\n        }\n        nextEntry();\n      }\n\n      // import another *.properties file\n      function loadImport(url, callback) {\n        xhrLoadText(url, function(content) {\n          parseRawLines(content, false, callback); // don't allow recursive imports\n        }, function () {\n          console.warn(url + ' not found.');\n          callback();\n        });\n      }\n\n      // fill the dictionary\n      parseRawLines(text, true, function() {\n        parsedPropertiesCallback(dictionary);\n      });\n    }\n\n    // load and parse l10n data (warning: global variables are used here)\n    xhrLoadText(href, function(response) {\n      gTextData += response; // mostly for debug\n\n      // parse *.properties text data into an l10n dictionary\n      parseProperties(response, function(data) {\n\n        // find attribute descriptions, if any\n        for (var key in data) {\n          var id, prop, index = key.lastIndexOf('.');\n          if (index > 0) { // an attribute has been specified\n            id = key.substring(0, index);\n            prop = key.substring(index + 1);\n          } else { // no attribute: assuming text content by default\n            id = key;\n            prop = gTextProp;\n          }\n          if (!gL10nData[id]) {\n            gL10nData[id] = {};\n          }\n          gL10nData[id][prop] = data[key];\n        }\n\n        // trigger callback\n        if (successCallback) {\n          successCallback();\n        }\n      });\n    }, failureCallback);\n  }\n\n  // load and parse all resources for the specified locale\n  function loadLocale(lang, callback) {\n    // RFC 4646, section 2.1 states that language tags have to be treated as\n    // case-insensitive. Convert to lowercase for case-insensitive comparisons.\n    if (lang) {\n      lang = lang.toLowerCase();\n    }\n\n    callback = callback || function _callback() {};\n\n    clear();\n    gLanguage = lang;\n\n    // check all <link type=\"application/l10n\" href=\"...\" /> nodes\n    // and load the resource files\n    var langLinks = getL10nResourceLinks();\n    var langCount = langLinks.length;\n    if (langCount === 0) {\n      // we might have a pre-compiled dictionary instead\n      var dict = getL10nDictionary();\n      if (dict && dict.locales && dict.default_locale) {\n        console.log('using the embedded JSON directory, early way out');\n        gL10nData = dict.locales[lang];\n        if (!gL10nData) {\n          var defaultLocale = dict.default_locale.toLowerCase();\n          for (var anyCaseLang in dict.locales) {\n            anyCaseLang = anyCaseLang.toLowerCase();\n            if (anyCaseLang === lang) {\n              gL10nData = dict.locales[lang];\n              break;\n            } else if (anyCaseLang === defaultLocale) {\n              gL10nData = dict.locales[defaultLocale];\n            }\n          }\n        }\n        callback();\n      } else {\n        console.log('no resource to load, early way out');\n      }\n      // early way out\n      gReadyState = 'complete';\n      return;\n    }\n\n    // start the callback when all resources are loaded\n    var onResourceLoaded = null;\n    var gResourceCount = 0;\n    onResourceLoaded = function() {\n      gResourceCount++;\n      if (gResourceCount >= langCount) {\n        callback();\n        gReadyState = 'complete';\n      }\n    };\n\n    // load all resource files\n    function L10nResourceLink(link) {\n      var href = link.href;\n      // Note: If |gAsyncResourceLoading| is false, then the following callbacks\n      // are synchronously called.\n      this.load = function(lang, callback) {\n        parseResource(href, lang, callback, function() {\n          console.warn(href + ' not found.');\n          // lang not found, used default resource instead\n          console.warn('\"' + lang + '\" resource not found');\n          gLanguage = '';\n          // Resource not loaded, but we still need to call the callback.\n          callback();\n        });\n      };\n    }\n\n    for (var i = 0; i < langCount; i++) {\n      var resource = new L10nResourceLink(langLinks[i]);\n      resource.load(lang, onResourceLoaded);\n    }\n  }\n\n  // clear all l10n data\n  function clear() {\n    gL10nData = {};\n    gTextData = '';\n    gLanguage = '';\n    // TODO: clear all non predefined macros.\n    // There's no such macro /yet/ but we're planning to have some...\n  }\n\n\n  /**\n   * Get rules for plural forms (shared with JetPack), see:\n   * http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html\n   * https://github.com/mozilla/addon-sdk/blob/master/python-lib/plural-rules-generator.p\n   *\n   * @param {string} lang\n   *    locale (language) used.\n   *\n   * @return {Function}\n   *    returns a function that gives the plural form name for a given integer:\n   *       var fun = getPluralRules('en');\n   *       fun(1)    -> 'one'\n   *       fun(0)    -> 'other'\n   *       fun(1000) -> 'other'.\n   */\n\n  function getPluralRules(lang) {\n    var locales2rules = {\n      'af': 3,\n      'ak': 4,\n      'am': 4,\n      'ar': 1,\n      'asa': 3,\n      'az': 0,\n      'be': 11,\n      'bem': 3,\n      'bez': 3,\n      'bg': 3,\n      'bh': 4,\n      'bm': 0,\n      'bn': 3,\n      'bo': 0,\n      'br': 20,\n      'brx': 3,\n      'bs': 11,\n      'ca': 3,\n      'cgg': 3,\n      'chr': 3,\n      'cs': 12,\n      'cy': 17,\n      'da': 3,\n      'de': 3,\n      'dv': 3,\n      'dz': 0,\n      'ee': 3,\n      'el': 3,\n      'en': 3,\n      'eo': 3,\n      'es': 3,\n      'et': 3,\n      'eu': 3,\n      'fa': 0,\n      'ff': 5,\n      'fi': 3,\n      'fil': 4,\n      'fo': 3,\n      'fr': 5,\n      'fur': 3,\n      'fy': 3,\n      'ga': 8,\n      'gd': 24,\n      'gl': 3,\n      'gsw': 3,\n      'gu': 3,\n      'guw': 4,\n      'gv': 23,\n      'ha': 3,\n      'haw': 3,\n      'he': 2,\n      'hi': 4,\n      'hr': 11,\n      'hu': 0,\n      'id': 0,\n      'ig': 0,\n      'ii': 0,\n      'is': 3,\n      'it': 3,\n      'iu': 7,\n      'ja': 0,\n      'jmc': 3,\n      'jv': 0,\n      'ka': 0,\n      'kab': 5,\n      'kaj': 3,\n      'kcg': 3,\n      'kde': 0,\n      'kea': 0,\n      'kk': 3,\n      'kl': 3,\n      'km': 0,\n      'kn': 0,\n      'ko': 0,\n      'ksb': 3,\n      'ksh': 21,\n      'ku': 3,\n      'kw': 7,\n      'lag': 18,\n      'lb': 3,\n      'lg': 3,\n      'ln': 4,\n      'lo': 0,\n      'lt': 10,\n      'lv': 6,\n      'mas': 3,\n      'mg': 4,\n      'mk': 16,\n      'ml': 3,\n      'mn': 3,\n      'mo': 9,\n      'mr': 3,\n      'ms': 0,\n      'mt': 15,\n      'my': 0,\n      'nah': 3,\n      'naq': 7,\n      'nb': 3,\n      'nd': 3,\n      'ne': 3,\n      'nl': 3,\n      'nn': 3,\n      'no': 3,\n      'nr': 3,\n      'nso': 4,\n      'ny': 3,\n      'nyn': 3,\n      'om': 3,\n      'or': 3,\n      'pa': 3,\n      'pap': 3,\n      'pl': 13,\n      'ps': 3,\n      'pt': 3,\n      'rm': 3,\n      'ro': 9,\n      'rof': 3,\n      'ru': 11,\n      'rwk': 3,\n      'sah': 0,\n      'saq': 3,\n      'se': 7,\n      'seh': 3,\n      'ses': 0,\n      'sg': 0,\n      'sh': 11,\n      'shi': 19,\n      'sk': 12,\n      'sl': 14,\n      'sma': 7,\n      'smi': 7,\n      'smj': 7,\n      'smn': 7,\n      'sms': 7,\n      'sn': 3,\n      'so': 3,\n      'sq': 3,\n      'sr': 11,\n      'ss': 3,\n      'ssy': 3,\n      'st': 3,\n      'sv': 3,\n      'sw': 3,\n      'syr': 3,\n      'ta': 3,\n      'te': 3,\n      'teo': 3,\n      'th': 0,\n      'ti': 4,\n      'tig': 3,\n      'tk': 3,\n      'tl': 4,\n      'tn': 3,\n      'to': 0,\n      'tr': 0,\n      'ts': 3,\n      'tzm': 22,\n      'uk': 11,\n      'ur': 3,\n      've': 3,\n      'vi': 0,\n      'vun': 3,\n      'wa': 4,\n      'wae': 3,\n      'wo': 0,\n      'xh': 3,\n      'xog': 3,\n      'yo': 0,\n      'zh': 0,\n      'zu': 3\n    };\n\n    // utility functions for plural rules methods\n    function isIn(n, list) {\n      return list.indexOf(n) !== -1;\n    }\n    function isBetween(n, start, end) {\n      return start <= n && n <= end;\n    }\n\n    // list of all plural rules methods:\n    // map an integer to the plural form name to use\n    var pluralRules = {\n      '0': function(n) {\n        return 'other';\n      },\n      '1': function(n) {\n        if ((isBetween((n % 100), 3, 10)))\n          return 'few';\n        if (n === 0)\n          return 'zero';\n        if ((isBetween((n % 100), 11, 99)))\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '2': function(n) {\n        if (n !== 0 && (n % 10) === 0)\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '3': function(n) {\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '4': function(n) {\n        if ((isBetween(n, 0, 1)))\n          return 'one';\n        return 'other';\n      },\n      '5': function(n) {\n        if ((isBetween(n, 0, 2)) && n != 2)\n          return 'one';\n        return 'other';\n      },\n      '6': function(n) {\n        if (n === 0)\n          return 'zero';\n        if ((n % 10) == 1 && (n % 100) != 11)\n          return 'one';\n        return 'other';\n      },\n      '7': function(n) {\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '8': function(n) {\n        if ((isBetween(n, 3, 6)))\n          return 'few';\n        if ((isBetween(n, 7, 10)))\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '9': function(n) {\n        if (n === 0 || n != 1 && (isBetween((n % 100), 1, 19)))\n          return 'few';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '10': function(n) {\n        if ((isBetween((n % 10), 2, 9)) && !(isBetween((n % 100), 11, 19)))\n          return 'few';\n        if ((n % 10) == 1 && !(isBetween((n % 100), 11, 19)))\n          return 'one';\n        return 'other';\n      },\n      '11': function(n) {\n        if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))\n          return 'few';\n        if ((n % 10) === 0 ||\n            (isBetween((n % 10), 5, 9)) ||\n            (isBetween((n % 100), 11, 14)))\n          return 'many';\n        if ((n % 10) == 1 && (n % 100) != 11)\n          return 'one';\n        return 'other';\n      },\n      '12': function(n) {\n        if ((isBetween(n, 2, 4)))\n          return 'few';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '13': function(n) {\n        if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))\n          return 'few';\n        if (n != 1 && (isBetween((n % 10), 0, 1)) ||\n            (isBetween((n % 10), 5, 9)) ||\n            (isBetween((n % 100), 12, 14)))\n          return 'many';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '14': function(n) {\n        if ((isBetween((n % 100), 3, 4)))\n          return 'few';\n        if ((n % 100) == 2)\n          return 'two';\n        if ((n % 100) == 1)\n          return 'one';\n        return 'other';\n      },\n      '15': function(n) {\n        if (n === 0 || (isBetween((n % 100), 2, 10)))\n          return 'few';\n        if ((isBetween((n % 100), 11, 19)))\n          return 'many';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '16': function(n) {\n        if ((n % 10) == 1 && n != 11)\n          return 'one';\n        return 'other';\n      },\n      '17': function(n) {\n        if (n == 3)\n          return 'few';\n        if (n === 0)\n          return 'zero';\n        if (n == 6)\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '18': function(n) {\n        if (n === 0)\n          return 'zero';\n        if ((isBetween(n, 0, 2)) && n !== 0 && n != 2)\n          return 'one';\n        return 'other';\n      },\n      '19': function(n) {\n        if ((isBetween(n, 2, 10)))\n          return 'few';\n        if ((isBetween(n, 0, 1)))\n          return 'one';\n        return 'other';\n      },\n      '20': function(n) {\n        if ((isBetween((n % 10), 3, 4) || ((n % 10) == 9)) && !(\n            isBetween((n % 100), 10, 19) ||\n            isBetween((n % 100), 70, 79) ||\n            isBetween((n % 100), 90, 99)\n            ))\n          return 'few';\n        if ((n % 1000000) === 0 && n !== 0)\n          return 'many';\n        if ((n % 10) == 2 && !isIn((n % 100), [12, 72, 92]))\n          return 'two';\n        if ((n % 10) == 1 && !isIn((n % 100), [11, 71, 91]))\n          return 'one';\n        return 'other';\n      },\n      '21': function(n) {\n        if (n === 0)\n          return 'zero';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '22': function(n) {\n        if ((isBetween(n, 0, 1)) || (isBetween(n, 11, 99)))\n          return 'one';\n        return 'other';\n      },\n      '23': function(n) {\n        if ((isBetween((n % 10), 1, 2)) || (n % 20) === 0)\n          return 'one';\n        return 'other';\n      },\n      '24': function(n) {\n        if ((isBetween(n, 3, 10) || isBetween(n, 13, 19)))\n          return 'few';\n        if (isIn(n, [2, 12]))\n          return 'two';\n        if (isIn(n, [1, 11]))\n          return 'one';\n        return 'other';\n      }\n    };\n\n    // return a function that gives the plural form name for a given integer\n    var index = locales2rules[lang.replace(/-.*$/, '')];\n    if (!(index in pluralRules)) {\n      console.warn('plural form unknown for [' + lang + ']');\n      return function() { return 'other'; };\n    }\n    return pluralRules[index];\n  }\n\n  // pre-defined 'plural' macro\n  gMacros.plural = function(str, param, key, prop) {\n    var n = parseFloat(param);\n    if (isNaN(n))\n      return str;\n\n    // TODO: support other properties (l20n still doesn't...)\n    if (prop != gTextProp)\n      return str;\n\n    // initialize _pluralRules\n    if (!gMacros._pluralRules) {\n      gMacros._pluralRules = getPluralRules(gLanguage);\n    }\n    var index = '[' + gMacros._pluralRules(n) + ']';\n\n    // try to find a [zero|one|two] key if it's defined\n    if (n === 0 && (key + '[zero]') in gL10nData) {\n      str = gL10nData[key + '[zero]'][prop];\n    } else if (n == 1 && (key + '[one]') in gL10nData) {\n      str = gL10nData[key + '[one]'][prop];\n    } else if (n == 2 && (key + '[two]') in gL10nData) {\n      str = gL10nData[key + '[two]'][prop];\n    } else if ((key + index) in gL10nData) {\n      str = gL10nData[key + index][prop];\n    } else if ((key + '[other]') in gL10nData) {\n      str = gL10nData[key + '[other]'][prop];\n    }\n\n    return str;\n  };\n\n\n  /**\n   * l10n dictionary functions\n   */\n\n  // fetch an l10n object, warn if not found, apply `args' if possible\n  function getL10nData(key, args, fallback) {\n    var data = gL10nData[key];\n    if (!data) {\n      console.warn('#' + key + ' is undefined.');\n      if (!fallback) {\n        return null;\n      }\n      data = fallback;\n    }\n\n    /** This is where l10n expressions should be processed.\n      * The plan is to support C-style expressions from the l20n project;\n      * until then, only two kinds of simple expressions are supported:\n      *   {[ index ]} and {{ arguments }}.\n      */\n    var rv = {};\n    for (var prop in data) {\n      var str = data[prop];\n      str = substIndexes(str, args, key, prop);\n      str = substArguments(str, args, key);\n      rv[prop] = str;\n    }\n    return rv;\n  }\n\n  // replace {[macros]} with their values\n  function substIndexes(str, args, key, prop) {\n    var reIndex = /\\{\\[\\s*([a-zA-Z]+)\\(([a-zA-Z]+)\\)\\s*\\]\\}/;\n    var reMatch = reIndex.exec(str);\n    if (!reMatch || !reMatch.length)\n      return str;\n\n    // an index/macro has been found\n    // Note: at the moment, only one parameter is supported\n    var macroName = reMatch[1];\n    var paramName = reMatch[2];\n    var param;\n    if (args && paramName in args) {\n      param = args[paramName];\n    } else if (paramName in gL10nData) {\n      param = gL10nData[paramName];\n    }\n\n    // there's no macro parser yet: it has to be defined in gMacros\n    if (macroName in gMacros) {\n      var macro = gMacros[macroName];\n      str = macro(str, param, key, prop);\n    }\n    return str;\n  }\n\n  // replace {{arguments}} with their values\n  function substArguments(str, args, key) {\n    var reArgs = /\\{\\{\\s*(.+?)\\s*\\}\\}/g;\n    return str.replace(reArgs, function(matched_text, arg) {\n      if (args && arg in args) {\n        return args[arg];\n      }\n      if (arg in gL10nData) {\n        return gL10nData[arg];\n      }\n      console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');\n      return matched_text;\n    });\n  }\n\n  // translate an HTML element\n  function translateElement(element) {\n    var l10n = getL10nAttributes(element);\n    if (!l10n.id)\n      return;\n\n    // get the related l10n object\n    var data = getL10nData(l10n.id, l10n.args);\n    if (!data) {\n      console.warn('#' + l10n.id + ' is undefined.');\n      return;\n    }\n\n    // translate element (TODO: security checks?)\n    if (data[gTextProp]) { // XXX\n      if (getChildElementCount(element) === 0) {\n        element[gTextProp] = data[gTextProp];\n      } else {\n        // this element has element children: replace the content of the first\n        // (non-empty) child textNode and clear other child textNodes\n        var children = element.childNodes;\n        var found = false;\n        for (var i = 0, l = children.length; i < l; i++) {\n          if (children[i].nodeType === 3 && /\\S/.test(children[i].nodeValue)) {\n            if (found) {\n              children[i].nodeValue = '';\n            } else {\n              children[i].nodeValue = data[gTextProp];\n              found = true;\n            }\n          }\n        }\n        // if no (non-empty) textNode is found, insert a textNode before the\n        // first element child.\n        if (!found) {\n          var textNode = document.createTextNode(data[gTextProp]);\n          element.insertBefore(textNode, element.firstChild);\n        }\n      }\n      delete data[gTextProp];\n    }\n\n    for (var k in data) {\n      element[k] = data[k];\n    }\n  }\n\n  // webkit browsers don't currently support 'children' on SVG elements...\n  function getChildElementCount(element) {\n    if (element.children) {\n      return element.children.length;\n    }\n    if (typeof element.childElementCount !== 'undefined') {\n      return element.childElementCount;\n    }\n    var count = 0;\n    for (var i = 0; i < element.childNodes.length; i++) {\n      count += element.nodeType === 1 ? 1 : 0;\n    }\n    return count;\n  }\n\n  // translate an HTML subtree\n  function translateFragment(element) {\n    element = element || document.documentElement;\n\n    // check all translatable children (= w/ a `data-l10n-id' attribute)\n    var children = getTranslatableChildren(element);\n    var elementCount = children.length;\n    for (var i = 0; i < elementCount; i++) {\n      translateElement(children[i]);\n    }\n\n    // translate element itself if necessary\n    translateElement(element);\n  }\n\n  return {\n    // get a localized string\n    get: function(key, args, fallbackString) {\n      var index = key.lastIndexOf('.');\n      var prop = gTextProp;\n      if (index > 0) { // An attribute has been specified\n        prop = key.substring(index + 1);\n        key = key.substring(0, index);\n      }\n      var fallback;\n      if (fallbackString) {\n        fallback = {};\n        fallback[prop] = fallbackString;\n      }\n      var data = getL10nData(key, args, fallback);\n      if (data && prop in data) {\n        return data[prop];\n      }\n      return '{{' + key + '}}';\n    },\n\n    // debug\n    getData: function() { return gL10nData; },\n    getText: function() { return gTextData; },\n\n    // get|set the document language\n    getLanguage: function() { return gLanguage; },\n    setLanguage: function(lang, callback) {\n      loadLocale(lang, function() {\n        if (callback)\n          callback();\n      });\n    },\n\n    // get the direction (ltr|rtl) of the current language\n    getDirection: function() {\n      // http://www.w3.org/International/questions/qa-scripts\n      // Arabic, Hebrew, Farsi, Pashto, Urdu\n      var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];\n      var shortCode = gLanguage.split('-', 1)[0];\n      return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr';\n    },\n\n    // translate an element or document fragment\n    translate: translateFragment,\n\n    // this can be used to prevent race conditions\n    getReadyState: function() { return gReadyState; },\n    ready: function(callback) {\n      if (!callback) {\n        return;\n      } else if (gReadyState == 'complete' || gReadyState == 'interactive') {\n        window.setTimeout(function() {\n          callback();\n        });\n      } else if (document.addEventListener) {\n        document.addEventListener('localized', function once() {\n          document.removeEventListener('localized', once);\n          callback();\n        });\n      }\n    }\n  };\n}) (window, document);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createPromiseCapability } from \"pdfjs-lib\";\nimport { getCharacterType } from \"./pdf_find_utils.js\";\nimport { scrollIntoView } from \"./ui_utils.js\";\n\nconst FindState = {\n  FOUND: 0,\n  NOT_FOUND: 1,\n  WRAPPED: 2,\n  PENDING: 3,\n};\n\nconst FIND_TIMEOUT = 250; // ms\nconst MATCH_SCROLL_OFFSET_TOP = -50; // px\nconst MATCH_SCROLL_OFFSET_LEFT = -400; // px\n\nconst CHARACTERS_TO_NORMALIZE = {\n  \"\\u2018\": \"'\", // Left single quotation mark\n  \"\\u2019\": \"'\", // Right single quotation mark\n  \"\\u201A\": \"'\", // Single low-9 quotation mark\n  \"\\u201B\": \"'\", // Single high-reversed-9 quotation mark\n  \"\\u201C\": '\"', // Left double quotation mark\n  \"\\u201D\": '\"', // Right double quotation mark\n  \"\\u201E\": '\"', // Double low-9 quotation mark\n  \"\\u201F\": '\"', // Double high-reversed-9 quotation mark\n  \"\\u00BC\": \"1/4\", // Vulgar fraction one quarter\n  \"\\u00BD\": \"1/2\", // Vulgar fraction one half\n  \"\\u00BE\": \"3/4\", // Vulgar fraction three quarters\n};\n\nlet normalizationRegex = null;\nfunction normalize(text) {\n  if (!normalizationRegex) {\n    // Compile the regular expression for text normalization once.\n    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(\"\");\n    normalizationRegex = new RegExp(`[${replace}]`, \"g\");\n  }\n  return text.replace(normalizationRegex, function (ch) {\n    return CHARACTERS_TO_NORMALIZE[ch];\n  });\n}\n\n/**\n * @typedef {Object} PDFFindControllerOptions\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {EventBus} eventBus - The application event bus.\n */\n\n/**\n * Provides search functionality to find a given string in a PDF document.\n */\nclass PDFFindController {\n  /**\n   * @param {PDFFindControllerOptions} options\n   */\n  constructor({ linkService, eventBus }) {\n    this._linkService = linkService;\n    this._eventBus = eventBus;\n\n    this._reset();\n    eventBus._on(\"findbarclose\", this._onFindBarClose.bind(this));\n  }\n\n  get highlightMatches() {\n    return this._highlightMatches;\n  }\n\n  get pageMatches() {\n    return this._pageMatches;\n  }\n\n  get pageMatchesLength() {\n    return this._pageMatchesLength;\n  }\n\n  get selected() {\n    return this._selected;\n  }\n\n  get state() {\n    return this._state;\n  }\n\n  /**\n   * Set a reference to the PDF document in order to search it.\n   * Note that searching is not possible if this method is not called.\n   *\n   * @param {PDFDocumentProxy} pdfDocument - The PDF document to search.\n   */\n  setDocument(pdfDocument) {\n    if (this._pdfDocument) {\n      this._reset();\n    }\n    if (!pdfDocument) {\n      return;\n    }\n    this._pdfDocument = pdfDocument;\n    this._firstPageCapability.resolve();\n  }\n\n  executeCommand(cmd, state) {\n    if (!state) {\n      return;\n    }\n    const pdfDocument = this._pdfDocument;\n\n    if (this._state === null || this._shouldDirtyMatch(cmd, state)) {\n      this._dirtyMatch = true;\n    }\n    this._state = state;\n    if (cmd !== \"findhighlightallchange\") {\n      this._updateUIState(FindState.PENDING);\n    }\n\n    this._firstPageCapability.promise.then(() => {\n      // If the document was closed before searching began, or if the search\n      // operation was relevant for a previously opened document, do nothing.\n      if (\n        !this._pdfDocument ||\n        (pdfDocument && this._pdfDocument !== pdfDocument)\n      ) {\n        return;\n      }\n      this._extractText();\n\n      const findbarClosed = !this._highlightMatches;\n      const pendingTimeout = !!this._findTimeout;\n\n      if (this._findTimeout) {\n        clearTimeout(this._findTimeout);\n        this._findTimeout = null;\n      }\n      if (cmd === \"find\") {\n        // Trigger the find action with a small delay to avoid starting the\n        // search when the user is still typing (saving resources).\n        this._findTimeout = setTimeout(() => {\n          this._nextMatch();\n          this._findTimeout = null;\n        }, FIND_TIMEOUT);\n      } else if (this._dirtyMatch) {\n        // Immediately trigger searching for non-'find' operations, when the\n        // current state needs to be reset and matches re-calculated.\n        this._nextMatch();\n      } else if (cmd === \"findagain\") {\n        this._nextMatch();\n\n        // When the findbar was previously closed, and `highlightAll` is set,\n        // ensure that the matches on all active pages are highlighted again.\n        if (findbarClosed && this._state.highlightAll) {\n          this._updateAllPages();\n        }\n      } else if (cmd === \"findhighlightallchange\") {\n        // If there was a pending search operation, synchronously trigger a new\n        // search *first* to ensure that the correct matches are highlighted.\n        if (pendingTimeout) {\n          this._nextMatch();\n        } else {\n          this._highlightMatches = true;\n        }\n        this._updateAllPages(); // Update the highlighting on all active pages.\n      } else {\n        this._nextMatch();\n      }\n    });\n  }\n\n  scrollMatchIntoView({ element = null, pageIndex = -1, matchIndex = -1 }) {\n    if (!this._scrollMatches || !element) {\n      return;\n    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {\n      return;\n    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {\n      return;\n    }\n    this._scrollMatches = false; // Ensure that scrolling only happens once.\n\n    const spot = {\n      top: MATCH_SCROLL_OFFSET_TOP,\n      left: MATCH_SCROLL_OFFSET_LEFT,\n    };\n    scrollIntoView(element, spot, /* skipOverflowHiddenElements = */ true);\n  }\n\n  _reset() {\n    this._highlightMatches = false;\n    this._scrollMatches = false;\n    this._pdfDocument = null;\n    this._pageMatches = [];\n    this._pageMatchesLength = [];\n    this._state = null;\n    // Currently selected match.\n    this._selected = {\n      pageIdx: -1,\n      matchIdx: -1,\n    };\n    // Where the find algorithm currently is in the document.\n    this._offset = {\n      pageIdx: null,\n      matchIdx: null,\n      wrapped: false,\n    };\n    this._extractTextPromises = [];\n    this._pageContents = []; // Stores the normalized text for each page.\n    this._matchesCountTotal = 0;\n    this._pagesToSearch = null;\n    this._pendingFindMatches = Object.create(null);\n    this._resumePageIdx = null;\n    this._dirtyMatch = false;\n    clearTimeout(this._findTimeout);\n    this._findTimeout = null;\n\n    this._firstPageCapability = createPromiseCapability();\n  }\n\n  /**\n   * @type {string} The (current) normalized search query.\n   */\n  get _query() {\n    if (this._state.query !== this._rawQuery) {\n      this._rawQuery = this._state.query;\n      this._normalizedQuery = normalize(this._state.query);\n    }\n    return this._normalizedQuery;\n  }\n\n  _shouldDirtyMatch(cmd, state) {\n    // When the search query changes, regardless of the actual search command\n    // used, always re-calculate matches to avoid errors (fixes bug 1030622).\n    if (state.query !== this._state.query) {\n      return true;\n    }\n    switch (cmd) {\n      case \"findagain\":\n        const pageNumber = this._selected.pageIdx + 1;\n        const linkService = this._linkService;\n        // Only treat a 'findagain' event as a new search operation when it's\n        // *absolutely* certain that the currently selected match is no longer\n        // visible, e.g. as a result of the user scrolling in the document.\n        //\n        // NOTE: If only a simple `this._linkService.page` check was used here,\n        // there's a risk that consecutive 'findagain' operations could \"skip\"\n        // over matches at the top/bottom of pages thus making them completely\n        // inaccessible when there's multiple pages visible in the viewer.\n        if (\n          pageNumber >= 1 &&\n          pageNumber <= linkService.pagesCount &&\n          pageNumber !== linkService.page &&\n          !linkService.isPageVisible(pageNumber)\n        ) {\n          return true;\n        }\n        return false;\n      case \"findhighlightallchange\":\n        return false;\n    }\n    return true;\n  }\n\n  /**\n   * Helper for multi-term search that fills the `matchesWithLength` array\n   * and handles cases where one search term includes another search term (for\n   * example, \"tamed tame\" or \"this is\"). It looks for intersecting terms in\n   * the `matches` and keeps elements with a longer match length.\n   */\n  _prepareMatches(matchesWithLength, matches, matchesLength) {\n    function isSubTerm(currentIndex) {\n      const currentElem = matchesWithLength[currentIndex];\n      const nextElem = matchesWithLength[currentIndex + 1];\n\n      // Check for cases like \"TAMEd TAME\".\n      if (\n        currentIndex < matchesWithLength.length - 1 &&\n        currentElem.match === nextElem.match\n      ) {\n        currentElem.skipped = true;\n        return true;\n      }\n\n      // Check for cases like \"thIS IS\".\n      for (let i = currentIndex - 1; i >= 0; i--) {\n        const prevElem = matchesWithLength[i];\n        if (prevElem.skipped) {\n          continue;\n        }\n        if (prevElem.match + prevElem.matchLength < currentElem.match) {\n          break;\n        }\n        if (\n          prevElem.match + prevElem.matchLength >=\n          currentElem.match + currentElem.matchLength\n        ) {\n          currentElem.skipped = true;\n          return true;\n        }\n      }\n      return false;\n    }\n\n    // Sort the array of `{ match: <match>, matchLength: <matchLength> }`\n    // objects on increasing index first and on the length otherwise.\n    matchesWithLength.sort(function (a, b) {\n      return a.match === b.match\n        ? a.matchLength - b.matchLength\n        : a.match - b.match;\n    });\n    for (let i = 0, len = matchesWithLength.length; i < len; i++) {\n      if (isSubTerm(i)) {\n        continue;\n      }\n      matches.push(matchesWithLength[i].match);\n      matchesLength.push(matchesWithLength[i].matchLength);\n    }\n  }\n\n  /**\n   * Determine if the search query constitutes a \"whole word\", by comparing the\n   * first/last character type with the preceding/following character type.\n   */\n  _isEntireWord(content, startIdx, length) {\n    if (startIdx > 0) {\n      const first = content.charCodeAt(startIdx);\n      const limit = content.charCodeAt(startIdx - 1);\n      if (getCharacterType(first) === getCharacterType(limit)) {\n        return false;\n      }\n    }\n    const endIdx = startIdx + length - 1;\n    if (endIdx < content.length - 1) {\n      const last = content.charCodeAt(endIdx);\n      const limit = content.charCodeAt(endIdx + 1);\n      if (getCharacterType(last) === getCharacterType(limit)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {\n    const matches = [];\n    const queryLen = query.length;\n\n    let matchIdx = -queryLen;\n    while (true) {\n      matchIdx = pageContent.indexOf(query, matchIdx + queryLen);\n      if (matchIdx === -1) {\n        break;\n      }\n      if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {\n        continue;\n      }\n      matches.push(matchIdx);\n    }\n    this._pageMatches[pageIndex] = matches;\n  }\n\n  _calculateWordMatch(query, pageIndex, pageContent, entireWord) {\n    const matchesWithLength = [];\n\n    // Divide the query into pieces and search for text in each piece.\n    const queryArray = query.match(/\\S+/g);\n    for (let i = 0, len = queryArray.length; i < len; i++) {\n      const subquery = queryArray[i];\n      const subqueryLen = subquery.length;\n\n      let matchIdx = -subqueryLen;\n      while (true) {\n        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);\n        if (matchIdx === -1) {\n          break;\n        }\n        if (\n          entireWord &&\n          !this._isEntireWord(pageContent, matchIdx, subqueryLen)\n        ) {\n          continue;\n        }\n        // Other searches do not, so we store the length.\n        matchesWithLength.push({\n          match: matchIdx,\n          matchLength: subqueryLen,\n          skipped: false,\n        });\n      }\n    }\n\n    // Prepare arrays for storing the matches.\n    this._pageMatchesLength[pageIndex] = [];\n    this._pageMatches[pageIndex] = [];\n\n    // Sort `matchesWithLength`, remove intersecting terms and put the result\n    // into the two arrays.\n    this._prepareMatches(\n      matchesWithLength,\n      this._pageMatches[pageIndex],\n      this._pageMatchesLength[pageIndex]\n    );\n  }\n\n  _calculateMatch(pageIndex) {\n    let pageContent = this._pageContents[pageIndex];\n    let query = this._query;\n    const { caseSensitive, entireWord, phraseSearch } = this._state;\n\n    if (query.length === 0) {\n      // Do nothing: the matches should be wiped out already.\n      return;\n    }\n\n    if (!caseSensitive) {\n      pageContent = pageContent.toLowerCase();\n      query = query.toLowerCase();\n    }\n\n    if (phraseSearch) {\n      this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);\n    } else {\n      this._calculateWordMatch(query, pageIndex, pageContent, entireWord);\n    }\n\n    // When `highlightAll` is set, ensure that the matches on previously\n    // rendered (and still active) pages are correctly highlighted.\n    if (this._state.highlightAll) {\n      this._updatePage(pageIndex);\n    }\n    if (this._resumePageIdx === pageIndex) {\n      this._resumePageIdx = null;\n      this._nextPageMatch();\n    }\n\n    // Update the match count.\n    const pageMatchesCount = this._pageMatches[pageIndex].length;\n    if (pageMatchesCount > 0) {\n      this._matchesCountTotal += pageMatchesCount;\n      this._updateUIResultsCount();\n    }\n  }\n\n  _extractText() {\n    // Perform text extraction once if this method is called multiple times.\n    if (this._extractTextPromises.length > 0) {\n      return;\n    }\n\n    let promise = Promise.resolve();\n    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {\n      const extractTextCapability = createPromiseCapability();\n      this._extractTextPromises[i] = extractTextCapability.promise;\n\n      promise = promise.then(() => {\n        return this._pdfDocument\n          .getPage(i + 1)\n          .then(pdfPage => {\n            return pdfPage.getTextContent({\n              normalizeWhitespace: true,\n            });\n          })\n          .then(\n            textContent => {\n              const textItems = textContent.items;\n              const strBuf = [];\n\n              for (let j = 0, jj = textItems.length; j < jj; j++) {\n                strBuf.push(textItems[j].str);\n              }\n\n              // Store the normalized page content (text items) as one string.\n              this._pageContents[i] = normalize(strBuf.join(\"\"));\n              extractTextCapability.resolve(i);\n            },\n            reason => {\n              console.error(\n                `Unable to get text content for page ${i + 1}`,\n                reason\n              );\n              // Page error -- assuming no text content.\n              this._pageContents[i] = \"\";\n              extractTextCapability.resolve(i);\n            }\n          );\n      });\n    }\n  }\n\n  _updatePage(index) {\n    if (this._scrollMatches && this._selected.pageIdx === index) {\n      // If the page is selected, scroll the page into view, which triggers\n      // rendering the page, which adds the text layer. Once the text layer\n      // is built, it will attempt to scroll the selected match into view.\n      this._linkService.page = index + 1;\n    }\n\n    this._eventBus.dispatch(\"updatetextlayermatches\", {\n      source: this,\n      pageIndex: index,\n    });\n  }\n\n  _updateAllPages() {\n    this._eventBus.dispatch(\"updatetextlayermatches\", {\n      source: this,\n      pageIndex: -1,\n    });\n  }\n\n  _nextMatch() {\n    const previous = this._state.findPrevious;\n    const currentPageIndex = this._linkService.page - 1;\n    const numPages = this._linkService.pagesCount;\n\n    this._highlightMatches = true;\n\n    if (this._dirtyMatch) {\n      // Need to recalculate the matches, reset everything.\n      this._dirtyMatch = false;\n      this._selected.pageIdx = this._selected.matchIdx = -1;\n      this._offset.pageIdx = currentPageIndex;\n      this._offset.matchIdx = null;\n      this._offset.wrapped = false;\n      this._resumePageIdx = null;\n      this._pageMatches.length = 0;\n      this._pageMatchesLength.length = 0;\n      this._matchesCountTotal = 0;\n\n      this._updateAllPages(); // Wipe out any previously highlighted matches.\n\n      for (let i = 0; i < numPages; i++) {\n        // Start finding the matches as soon as the text is extracted.\n        if (this._pendingFindMatches[i] === true) {\n          continue;\n        }\n        this._pendingFindMatches[i] = true;\n        this._extractTextPromises[i].then(pageIdx => {\n          delete this._pendingFindMatches[pageIdx];\n          this._calculateMatch(pageIdx);\n        });\n      }\n    }\n\n    // If there's no query there's no point in searching.\n    if (this._query === \"\") {\n      this._updateUIState(FindState.FOUND);\n      return;\n    }\n    // If we're waiting on a page, we return since we can't do anything else.\n    if (this._resumePageIdx) {\n      return;\n    }\n\n    const offset = this._offset;\n    // Keep track of how many pages we should maximally iterate through.\n    this._pagesToSearch = numPages;\n    // If there's already a `matchIdx` that means we are iterating through a\n    // page's matches.\n    if (offset.matchIdx !== null) {\n      const numPageMatches = this._pageMatches[offset.pageIdx].length;\n      if (\n        (!previous && offset.matchIdx + 1 < numPageMatches) ||\n        (previous && offset.matchIdx > 0)\n      ) {\n        // The simple case; we just have advance the matchIdx to select\n        // the next match on the page.\n        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;\n        this._updateMatch(/* found = */ true);\n        return;\n      }\n      // We went beyond the current page's matches, so we advance to\n      // the next page.\n      this._advanceOffsetPage(previous);\n    }\n    // Start searching through the page.\n    this._nextPageMatch();\n  }\n\n  _matchesReady(matches) {\n    const offset = this._offset;\n    const numMatches = matches.length;\n    const previous = this._state.findPrevious;\n\n    if (numMatches) {\n      // There were matches for the page, so initialize `matchIdx`.\n      offset.matchIdx = previous ? numMatches - 1 : 0;\n      this._updateMatch(/* found = */ true);\n      return true;\n    }\n    // No matches, so attempt to search the next page.\n    this._advanceOffsetPage(previous);\n    if (offset.wrapped) {\n      offset.matchIdx = null;\n      if (this._pagesToSearch < 0) {\n        // No point in wrapping again, there were no matches.\n        this._updateMatch(/* found = */ false);\n        // While matches were not found, searching for a page\n        // with matches should nevertheless halt.\n        return true;\n      }\n    }\n    // Matches were not found (and searching is not done).\n    return false;\n  }\n\n  _nextPageMatch() {\n    if (this._resumePageIdx !== null) {\n      console.error(\"There can only be one pending page.\");\n    }\n\n    let matches = null;\n    do {\n      const pageIdx = this._offset.pageIdx;\n      matches = this._pageMatches[pageIdx];\n      if (!matches) {\n        // The matches don't exist yet for processing by `_matchesReady`,\n        // so set a resume point for when they do exist.\n        this._resumePageIdx = pageIdx;\n        break;\n      }\n    } while (!this._matchesReady(matches));\n  }\n\n  _advanceOffsetPage(previous) {\n    const offset = this._offset;\n    const numPages = this._linkService.pagesCount;\n    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;\n    offset.matchIdx = null;\n\n    this._pagesToSearch--;\n\n    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {\n      offset.pageIdx = previous ? numPages - 1 : 0;\n      offset.wrapped = true;\n    }\n  }\n\n  _updateMatch(found = false) {\n    let state = FindState.NOT_FOUND;\n    const wrapped = this._offset.wrapped;\n    this._offset.wrapped = false;\n\n    if (found) {\n      const previousPage = this._selected.pageIdx;\n      this._selected.pageIdx = this._offset.pageIdx;\n      this._selected.matchIdx = this._offset.matchIdx;\n      state = wrapped ? FindState.WRAPPED : FindState.FOUND;\n\n      // Update the currently selected page to wipe out any selected matches.\n      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {\n        this._updatePage(previousPage);\n      }\n    }\n\n    this._updateUIState(state, this._state.findPrevious);\n    if (this._selected.pageIdx !== -1) {\n      // Ensure that the match will be scrolled into view.\n      this._scrollMatches = true;\n\n      this._updatePage(this._selected.pageIdx);\n    }\n  }\n\n  _onFindBarClose(evt) {\n    const pdfDocument = this._pdfDocument;\n    // Since searching is asynchronous, ensure that the removal of highlighted\n    // matches (from the UI) is async too such that the 'updatetextlayermatches'\n    // events will always be dispatched in the expected order.\n    this._firstPageCapability.promise.then(() => {\n      // Only update the UI if the document is open, and is the current one.\n      if (\n        !this._pdfDocument ||\n        (pdfDocument && this._pdfDocument !== pdfDocument)\n      ) {\n        return;\n      }\n      // Ensure that a pending, not yet started, search operation is aborted.\n      if (this._findTimeout) {\n        clearTimeout(this._findTimeout);\n        this._findTimeout = null;\n      }\n      // Abort any long running searches, to avoid a match being scrolled into\n      // view *after* the findbar has been closed. In this case `this._offset`\n      // will most likely differ from `this._selected`, hence we also ensure\n      // that any new search operation will always start with a clean slate.\n      if (this._resumePageIdx) {\n        this._resumePageIdx = null;\n        this._dirtyMatch = true;\n      }\n      // Avoid the UI being in a pending state when the findbar is re-opened.\n      this._updateUIState(FindState.FOUND);\n\n      this._highlightMatches = false;\n      this._updateAllPages(); // Wipe out any previously highlighted matches.\n    });\n  }\n\n  _requestMatchesCount() {\n    const { pageIdx, matchIdx } = this._selected;\n    let current = 0,\n      total = this._matchesCountTotal;\n    if (matchIdx !== -1) {\n      for (let i = 0; i < pageIdx; i++) {\n        current += (this._pageMatches[i] && this._pageMatches[i].length) || 0;\n      }\n      current += matchIdx + 1;\n    }\n    // When searching starts, this method may be called before the `pageMatches`\n    // have been counted (in `_calculateMatch`). Ensure that the UI won't show\n    // temporarily broken state when the active find result doesn't make sense.\n    if (current < 1 || current > total) {\n      current = total = 0;\n    }\n    return { current, total };\n  }\n\n  _updateUIResultsCount() {\n    this._eventBus.dispatch(\"updatefindmatchescount\", {\n      source: this,\n      matchesCount: this._requestMatchesCount(),\n    });\n  }\n\n  _updateUIState(state, previous) {\n    this._eventBus.dispatch(\"updatefindcontrolstate\", {\n      source: this,\n      state,\n      previous,\n      matchesCount: this._requestMatchesCount(),\n      rawQuery: this._state ? this._state.query : null,\n    });\n  }\n}\n\nexport { FindState, PDFFindController };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CharacterType = {\n  SPACE: 0,\n  ALPHA_LETTER: 1,\n  PUNCT: 2,\n  HAN_LETTER: 3,\n  KATAKANA_LETTER: 4,\n  HIRAGANA_LETTER: 5,\n  HALFWIDTH_KATAKANA_LETTER: 6,\n  THAI_LETTER: 7,\n};\n\nfunction isAlphabeticalScript(charCode) {\n  return charCode < 0x2e80;\n}\n\nfunction isAscii(charCode) {\n  return (charCode & 0xff80) === 0;\n}\n\nfunction isAsciiAlpha(charCode) {\n  return (\n    (charCode >= /* a = */ 0x61 && charCode <= /* z = */ 0x7a) ||\n    (charCode >= /* A = */ 0x41 && charCode <= /* Z = */ 0x5a)\n  );\n}\n\nfunction isAsciiDigit(charCode) {\n  return charCode >= /* 0 = */ 0x30 && charCode <= /* 9 = */ 0x39;\n}\n\nfunction isAsciiSpace(charCode) {\n  return (\n    charCode === /* SPACE = */ 0x20 ||\n    charCode === /* TAB = */ 0x09 ||\n    charCode === /* CR = */ 0x0d ||\n    charCode === /* LF = */ 0x0a\n  );\n}\n\nfunction isHan(charCode) {\n  return (\n    (charCode >= 0x3400 && charCode <= 0x9fff) ||\n    (charCode >= 0xf900 && charCode <= 0xfaff)\n  );\n}\n\nfunction isKatakana(charCode) {\n  return charCode >= 0x30a0 && charCode <= 0x30ff;\n}\n\nfunction isHiragana(charCode) {\n  return charCode >= 0x3040 && charCode <= 0x309f;\n}\n\nfunction isHalfwidthKatakana(charCode) {\n  return charCode >= 0xff60 && charCode <= 0xff9f;\n}\n\nfunction isThai(charCode) {\n  return (charCode & 0xff80) === 0x0e00;\n}\n\n/**\n * This function is based on the word-break detection implemented in:\n * https://hg.mozilla.org/mozilla-central/file/tip/intl/lwbrk/WordBreaker.cpp\n */\nfunction getCharacterType(charCode) {\n  if (isAlphabeticalScript(charCode)) {\n    if (isAscii(charCode)) {\n      if (isAsciiSpace(charCode)) {\n        return CharacterType.SPACE;\n      } else if (\n        isAsciiAlpha(charCode) ||\n        isAsciiDigit(charCode) ||\n        charCode === /* UNDERSCORE = */ 0x5f\n      ) {\n        return CharacterType.ALPHA_LETTER;\n      }\n      return CharacterType.PUNCT;\n    } else if (isThai(charCode)) {\n      return CharacterType.THAI_LETTER;\n    } else if (charCode === /* NBSP = */ 0xa0) {\n      return CharacterType.SPACE;\n    }\n    return CharacterType.ALPHA_LETTER;\n  }\n\n  if (isHan(charCode)) {\n    return CharacterType.HAN_LETTER;\n  } else if (isKatakana(charCode)) {\n    return CharacterType.KATAKANA_LETTER;\n  } else if (isHiragana(charCode)) {\n    return CharacterType.HIRAGANA_LETTER;\n  } else if (isHalfwidthKatakana(charCode)) {\n    return CharacterType.HALFWIDTH_KATAKANA_LETTER;\n  }\n  return CharacterType.ALPHA_LETTER;\n}\n\nexport { CharacterType, getCharacterType };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  isValidRotation,\n  parseQueryString,\n  waitOnEventOrTimeout,\n} from \"./ui_utils.js\";\n\n// Heuristic value used when force-resetting `this._blockHashChange`.\nconst HASH_CHANGE_TIMEOUT = 1000; // milliseconds\n// Heuristic value used when adding the current position to the browser history.\nconst POSITION_UPDATED_THRESHOLD = 50;\n// Heuristic value used when adding a temporary position to the browser history.\nconst UPDATE_VIEWAREA_TIMEOUT = 1000; // milliseconds\n\n/**\n * @typedef {Object} PDFHistoryOptions\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {EventBus} eventBus - The application event bus.\n */\n\n/**\n * @typedef {Object} InitializeParameters\n * @property {string} fingerprint - The PDF document's unique fingerprint.\n * @property {boolean} [resetHistory] - Reset the browsing history.\n * @property {boolean} [updateUrl] - Attempt to update the document URL, with\n *   the current hash, when pushing/replacing browser history entries.\n */\n\n/**\n * @typedef {Object} PushParameters\n * @property {string} [namedDest] - The named destination. If absent, a\n *   stringified version of `explicitDest` is used.\n * @property {Array} explicitDest - The explicit destination array.\n * @property {number} pageNumber - The page to which the destination points.\n */\n\nfunction getCurrentHash() {\n  return document.location.hash;\n}\n\nclass PDFHistory {\n  /**\n   * @param {PDFHistoryOptions} options\n   */\n  constructor({ linkService, eventBus }) {\n    this.linkService = linkService;\n    this.eventBus = eventBus;\n\n    this._initialized = false;\n    this._fingerprint = \"\";\n    this.reset();\n\n    this._boundEvents = null;\n    this._isViewerInPresentationMode = false;\n    // Ensure that we don't miss either a 'presentationmodechanged' or a\n    // 'pagesinit' event, by registering the listeners immediately.\n    this.eventBus._on(\"presentationmodechanged\", evt => {\n      this._isViewerInPresentationMode = evt.active || evt.switchInProgress;\n    });\n    this.eventBus._on(\"pagesinit\", () => {\n      this._isPagesLoaded = false;\n\n      const onPagesLoaded = evt => {\n        this.eventBus._off(\"pagesloaded\", onPagesLoaded);\n        this._isPagesLoaded = !!evt.pagesCount;\n      };\n      this.eventBus._on(\"pagesloaded\", onPagesLoaded);\n    });\n  }\n\n  /**\n   * Initialize the history for the PDF document, using either the current\n   * browser history entry or the document hash, whichever is present.\n   * @param {InitializeParameters} params\n   */\n  initialize({ fingerprint, resetHistory = false, updateUrl = false }) {\n    if (!fingerprint || typeof fingerprint !== \"string\") {\n      console.error(\n        'PDFHistory.initialize: The \"fingerprint\" must be a non-empty string.'\n      );\n      return;\n    }\n    // Ensure that any old state is always reset upon initialization.\n    if (this._initialized) {\n      this.reset();\n    }\n    const reInitialized =\n      this._fingerprint !== \"\" && this._fingerprint !== fingerprint;\n    this._fingerprint = fingerprint;\n    this._updateUrl = updateUrl === true;\n\n    this._initialized = true;\n    this._bindEvents();\n    const state = window.history.state;\n\n    this._popStateInProgress = false;\n    this._blockHashChange = 0;\n    this._currentHash = getCurrentHash();\n    this._numPositionUpdates = 0;\n\n    this._uid = this._maxUid = 0;\n    this._destination = null;\n    this._position = null;\n\n    if (!this._isValidState(state, /* checkReload = */ true) || resetHistory) {\n      const { hash, page, rotation } = this._parseCurrentHash(\n        /* checkNameddest = */ true\n      );\n\n      if (!hash || reInitialized || resetHistory) {\n        // Ensure that the browser history is reset on PDF document load.\n        this._pushOrReplaceState(null, /* forceReplace = */ true);\n        return;\n      }\n      // Ensure that the browser history is initialized correctly when\n      // the document hash is present on PDF document load.\n      this._pushOrReplaceState(\n        { hash, page, rotation },\n        /* forceReplace = */ true\n      );\n      return;\n    }\n\n    // The browser history contains a valid entry, ensure that the history is\n    // initialized correctly on PDF document load.\n    const destination = state.destination;\n    this._updateInternalState(\n      destination,\n      state.uid,\n      /* removeTemporary = */ true\n    );\n    if (this._uid > this._maxUid) {\n      this._maxUid = this._uid;\n    }\n\n    if (destination.rotation !== undefined) {\n      this._initialRotation = destination.rotation;\n    }\n    if (destination.dest) {\n      this._initialBookmark = JSON.stringify(destination.dest);\n\n      // If the history is updated, e.g. through the user changing the hash,\n      // before the initial destination has become visible, then we do *not*\n      // want to potentially add `this._position` to the browser history.\n      this._destination.page = null;\n    } else if (destination.hash) {\n      this._initialBookmark = destination.hash;\n    } else if (destination.page) {\n      // Fallback case; shouldn't be necessary, but better safe than sorry.\n      this._initialBookmark = `page=${destination.page}`;\n    }\n  }\n\n  /**\n   * Reset the current `PDFHistory` instance, and consequently prevent any\n   * further updates and/or navigation of the browser history.\n   */\n  reset() {\n    if (this._initialized) {\n      this._pageHide(); // Simulate a 'pagehide' event when resetting.\n\n      this._initialized = false;\n      this._unbindEvents();\n    }\n    if (this._updateViewareaTimeout) {\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n    this._initialBookmark = null;\n    this._initialRotation = null;\n  }\n\n  /**\n   * Push an internal destination to the browser history.\n   * @param {PushParameters}\n   */\n  push({ namedDest = null, explicitDest, pageNumber }) {\n    if (!this._initialized) {\n      return;\n    }\n    if (namedDest && typeof namedDest !== \"string\") {\n      console.error(\n        \"PDFHistory.push: \" +\n          `\"${namedDest}\" is not a valid namedDest parameter.`\n      );\n      return;\n    } else if (!Array.isArray(explicitDest)) {\n      console.error(\n        \"PDFHistory.push: \" +\n          `\"${explicitDest}\" is not a valid explicitDest parameter.`\n      );\n      return;\n    } else if (\n      !(\n        Number.isInteger(pageNumber) &&\n        pageNumber > 0 &&\n        pageNumber <= this.linkService.pagesCount\n      )\n    ) {\n      // Allow an unset `pageNumber` if and only if the history is still empty;\n      // please refer to the `this._destination.page = null;` comment above.\n      if (pageNumber !== null || this._destination) {\n        console.error(\n          \"PDFHistory.push: \" +\n            `\"${pageNumber}\" is not a valid pageNumber parameter.`\n        );\n        return;\n      }\n    }\n\n    const hash = namedDest || JSON.stringify(explicitDest);\n    if (!hash) {\n      // The hash *should* never be undefined, but if that were to occur,\n      // avoid any possible issues by not updating the browser history.\n      return;\n    }\n\n    let forceReplace = false;\n    if (\n      this._destination &&\n      (isDestHashesEqual(this._destination.hash, hash) ||\n        isDestArraysEqual(this._destination.dest, explicitDest))\n    ) {\n      // When the new destination is identical to `this._destination`, and\n      // its `page` is undefined, replace the current browser history entry.\n      // NOTE: This can only occur if `this._destination` was set either:\n      //  - through the document hash being specified on load.\n      //  - through the user changing the hash of the document.\n      if (this._destination.page) {\n        return;\n      }\n      forceReplace = true;\n    }\n    if (this._popStateInProgress && !forceReplace) {\n      return;\n    }\n\n    this._pushOrReplaceState(\n      {\n        dest: explicitDest,\n        hash,\n        page: pageNumber,\n        rotation: this.linkService.rotation,\n      },\n      forceReplace\n    );\n\n    if (!this._popStateInProgress) {\n      // Prevent the browser history from updating while the new destination is\n      // being scrolled into view, to avoid potentially inconsistent state.\n      this._popStateInProgress = true;\n      // We defer the resetting of `this._popStateInProgress`, to account for\n      // e.g. zooming occuring when the new destination is being navigated to.\n      Promise.resolve().then(() => {\n        this._popStateInProgress = false;\n      });\n    }\n  }\n\n  /**\n   * Push the current position to the browser history.\n   */\n  pushCurrentPosition() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    this._tryPushCurrentPosition();\n  }\n\n  /**\n   * Go back one step in the browser history.\n   * NOTE: Avoids navigating away from the document, useful for \"named actions\".\n   */\n  back() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    const state = window.history.state;\n    if (this._isValidState(state) && state.uid > 0) {\n      window.history.back();\n    }\n  }\n\n  /**\n   * Go forward one step in the browser history.\n   * NOTE: Avoids navigating away from the document, useful for \"named actions\".\n   */\n  forward() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    const state = window.history.state;\n    if (this._isValidState(state) && state.uid < this._maxUid) {\n      window.history.forward();\n    }\n  }\n\n  /**\n   * @type {boolean} Indicating if the user is currently moving through the\n   *   browser history, useful e.g. for skipping the next 'hashchange' event.\n   */\n  get popStateInProgress() {\n    return (\n      this._initialized &&\n      (this._popStateInProgress || this._blockHashChange > 0)\n    );\n  }\n\n  get initialBookmark() {\n    return this._initialized ? this._initialBookmark : null;\n  }\n\n  get initialRotation() {\n    return this._initialized ? this._initialRotation : null;\n  }\n\n  /**\n   * @private\n   */\n  _pushOrReplaceState(destination, forceReplace = false) {\n    const shouldReplace = forceReplace || !this._destination;\n    const newState = {\n      fingerprint: this._fingerprint,\n      uid: shouldReplace ? this._uid : this._uid + 1,\n      destination,\n    };\n\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"CHROME\") &&\n      window.history.state &&\n      window.history.state.chromecomState\n    ) {\n      // history.state.chromecomState is managed by chromecom.js.\n      newState.chromecomState = window.history.state.chromecomState;\n    }\n    this._updateInternalState(destination, newState.uid);\n\n    let newUrl;\n    if (this._updateUrl && destination && destination.hash) {\n      const baseUrl = document.location.href.split(\"#\")[0];\n      // Prevent errors in Firefox.\n      if (!baseUrl.startsWith(\"file://\")) {\n        newUrl = `${baseUrl}#${destination.hash}`;\n      }\n    }\n    if (shouldReplace) {\n      window.history.replaceState(newState, \"\", newUrl);\n    } else {\n      this._maxUid = this._uid;\n      window.history.pushState(newState, \"\", newUrl);\n    }\n\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"CHROME\") &&\n      top === window\n    ) {\n      // eslint-disable-next-line no-undef\n      chrome.runtime.sendMessage(\"showPageAction\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  _tryPushCurrentPosition(temporary = false) {\n    if (!this._position) {\n      return;\n    }\n    let position = this._position;\n    if (temporary) {\n      position = Object.assign(Object.create(null), this._position);\n      position.temporary = true;\n    }\n\n    if (!this._destination) {\n      this._pushOrReplaceState(position);\n      return;\n    }\n    if (this._destination.temporary) {\n      // Always replace a previous *temporary* position.\n      this._pushOrReplaceState(position, /* forceReplace = */ true);\n      return;\n    }\n    if (this._destination.hash === position.hash) {\n      return; // The current document position has not changed.\n    }\n    if (\n      !this._destination.page &&\n      (POSITION_UPDATED_THRESHOLD <= 0 ||\n        this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)\n    ) {\n      // `this._destination` was set through the user changing the hash of\n      // the document. Do not add `this._position` to the browser history,\n      // to avoid \"flooding\" it with lots of (nearly) identical entries,\n      // since we cannot ensure that the document position has changed.\n      return;\n    }\n\n    let forceReplace = false;\n    if (\n      this._destination.page >= position.first &&\n      this._destination.page <= position.page\n    ) {\n      // When the `page` of `this._destination` is still visible, do not\n      // update the browsing history when `this._destination` either:\n      //  - contains an internal destination, since in this case we\n      //    cannot ensure that the document position has actually changed.\n      //  - was set through the user changing the hash of the document.\n      if (this._destination.dest || !this._destination.first) {\n        return;\n      }\n      // To avoid \"flooding\" the browser history, replace the current entry.\n      forceReplace = true;\n    }\n    this._pushOrReplaceState(position, forceReplace);\n  }\n\n  /**\n   * @private\n   */\n  _isValidState(state, checkReload = false) {\n    if (!state) {\n      return false;\n    }\n    if (state.fingerprint !== this._fingerprint) {\n      if (checkReload) {\n        // Potentially accept the history entry, even if the fingerprints don't\n        // match, when the viewer was reloaded (see issue 6847).\n        if (\n          typeof state.fingerprint !== \"string\" ||\n          state.fingerprint.length !== this._fingerprint.length\n        ) {\n          return false;\n        }\n        const [perfEntry] = performance.getEntriesByType(\"navigation\");\n        if (!perfEntry || perfEntry.type !== \"reload\") {\n          return false;\n        }\n      } else {\n        // This should only occur in viewers with support for opening more than\n        // one PDF document, e.g. the GENERIC viewer.\n        return false;\n      }\n    }\n    if (!Number.isInteger(state.uid) || state.uid < 0) {\n      return false;\n    }\n    if (state.destination === null || typeof state.destination !== \"object\") {\n      return false;\n    }\n    return true;\n  }\n\n  /**\n   * @private\n   */\n  _updateInternalState(destination, uid, removeTemporary = false) {\n    if (this._updateViewareaTimeout) {\n      // When updating `this._destination`, make sure that we always wait for\n      // the next 'updateviewarea' event before (potentially) attempting to\n      // push the current position to the browser history.\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n    if (removeTemporary && destination && destination.temporary) {\n      // When the `destination` comes from the browser history,\n      // we no longer treat it as a *temporary* position.\n      delete destination.temporary;\n    }\n    this._destination = destination;\n    this._uid = uid;\n    // This should always be reset when `this._destination` is updated.\n    this._numPositionUpdates = 0;\n  }\n\n  /**\n   * @private\n   */\n  _parseCurrentHash(checkNameddest = false) {\n    const hash = unescape(getCurrentHash()).substring(1);\n    const params = parseQueryString(hash);\n\n    const nameddest = params.nameddest || \"\";\n    let page = params.page | 0;\n\n    if (\n      !(\n        Number.isInteger(page) &&\n        page > 0 &&\n        page <= this.linkService.pagesCount\n      ) ||\n      (checkNameddest && nameddest.length > 0)\n    ) {\n      page = null;\n    }\n    return { hash, page, rotation: this.linkService.rotation };\n  }\n\n  /**\n   * @private\n   */\n  _updateViewarea({ location }) {\n    if (this._updateViewareaTimeout) {\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n\n    this._position = {\n      hash: this._isViewerInPresentationMode\n        ? `page=${location.pageNumber}`\n        : location.pdfOpenParams.substring(1),\n      page: this.linkService.page,\n      first: location.pageNumber,\n      rotation: location.rotation,\n    };\n\n    if (this._popStateInProgress) {\n      return;\n    }\n\n    if (\n      POSITION_UPDATED_THRESHOLD > 0 &&\n      this._isPagesLoaded &&\n      this._destination &&\n      !this._destination.page\n    ) {\n      // If the current destination was set through the user changing the hash\n      // of the document, we will usually not try to push the current position\n      // to the browser history; see `this._tryPushCurrentPosition()`.\n      //\n      // To prevent `this._tryPushCurrentPosition()` from effectively being\n      // reduced to a no-op in this case, we will assume that the position\n      // *did* in fact change if the 'updateviewarea' event was dispatched\n      // more than `POSITION_UPDATED_THRESHOLD` times.\n      this._numPositionUpdates++;\n    }\n\n    if (UPDATE_VIEWAREA_TIMEOUT > 0) {\n      // When closing the browser, a 'pagehide' event will be dispatched which\n      // *should* allow us to push the current position to the browser history.\n      // In practice, it seems that the event is arriving too late in order for\n      // the session history to be successfully updated.\n      // (For additional details, please refer to the discussion in\n      //  https://bugzilla.mozilla.org/show_bug.cgi?id=1153393.)\n      //\n      // To workaround this we attempt to *temporarily* add the current position\n      // to the browser history only when the viewer is *idle*,\n      // i.e. when scrolling and/or zooming does not occur.\n      //\n      // PLEASE NOTE: It's absolutely imperative that the browser history is\n      // *not* updated too often, since that would render the viewer more or\n      // less unusable. Hence the use of a timeout to delay the update until\n      // the viewer has been idle for `UPDATE_VIEWAREA_TIMEOUT` milliseconds.\n      this._updateViewareaTimeout = setTimeout(() => {\n        if (!this._popStateInProgress) {\n          this._tryPushCurrentPosition(/* temporary = */ true);\n        }\n        this._updateViewareaTimeout = null;\n      }, UPDATE_VIEWAREA_TIMEOUT);\n    }\n  }\n\n  /**\n   * @private\n   */\n  _popState({ state }) {\n    const newHash = getCurrentHash(),\n      hashChanged = this._currentHash !== newHash;\n    this._currentHash = newHash;\n\n    if (\n      (typeof PDFJSDev !== \"undefined\" &&\n        PDFJSDev.test(\"CHROME\") &&\n        state &&\n        state.chromecomState &&\n        !this._isValidState(state)) ||\n      !state\n    ) {\n      // This case corresponds to the user changing the hash of the document.\n      this._uid++;\n\n      const { hash, page, rotation } = this._parseCurrentHash();\n      this._pushOrReplaceState(\n        { hash, page, rotation },\n        /* forceReplace = */ true\n      );\n      return;\n    }\n    if (!this._isValidState(state)) {\n      // This should only occur in viewers with support for opening more than\n      // one PDF document, e.g. the GENERIC viewer.\n      return;\n    }\n\n    // Prevent the browser history from updating until the new destination,\n    // as stored in the browser history, has been scrolled into view.\n    this._popStateInProgress = true;\n\n    if (hashChanged) {\n      // When the hash changed, implying that the 'popstate' event will be\n      // followed by a 'hashchange' event, then we do *not* want to update the\n      // browser history when handling the 'hashchange' event (in web/app.js)\n      // since that would *overwrite* the new destination navigated to below.\n      //\n      // To avoid accidentally disabling all future user-initiated hash changes,\n      // if there's e.g. another 'hashchange' listener that stops the event\n      // propagation, we make sure to always force-reset `this._blockHashChange`\n      // after `HASH_CHANGE_TIMEOUT` milliseconds have passed.\n      this._blockHashChange++;\n      waitOnEventOrTimeout({\n        target: window,\n        name: \"hashchange\",\n        delay: HASH_CHANGE_TIMEOUT,\n      }).then(() => {\n        this._blockHashChange--;\n      });\n    }\n\n    // Navigate to the new destination.\n    const destination = state.destination;\n    this._updateInternalState(\n      destination,\n      state.uid,\n      /* removeTemporary = */ true\n    );\n    if (this._uid > this._maxUid) {\n      this._maxUid = this._uid;\n    }\n\n    if (isValidRotation(destination.rotation)) {\n      this.linkService.rotation = destination.rotation;\n    }\n    if (destination.dest) {\n      this.linkService.navigateTo(destination.dest);\n    } else if (destination.hash) {\n      this.linkService.setHash(destination.hash);\n    } else if (destination.page) {\n      // Fallback case; shouldn't be necessary, but better safe than sorry.\n      this.linkService.page = destination.page;\n    }\n\n    // Since `PDFLinkService.navigateTo` is asynchronous, we thus defer the\n    // resetting of `this._popStateInProgress` slightly.\n    Promise.resolve().then(() => {\n      this._popStateInProgress = false;\n    });\n  }\n\n  /**\n   * @private\n   */\n  _pageHide() {\n    // Attempt to push the `this._position` into the browser history when\n    // navigating away from the document. This is *only* done if the history\n    // is empty/temporary, since otherwise an existing browser history entry\n    // will end up being overwritten (given that new entries cannot be pushed\n    // into the browser history when the 'unload' event has already fired).\n    if (!this._destination || this._destination.temporary) {\n      this._tryPushCurrentPosition();\n    }\n  }\n\n  /**\n   * @private\n   */\n  _bindEvents() {\n    if (this._boundEvents) {\n      return; // The event listeners were already added.\n    }\n    this._boundEvents = {\n      updateViewarea: this._updateViewarea.bind(this),\n      popState: this._popState.bind(this),\n      pageHide: this._pageHide.bind(this),\n    };\n\n    this.eventBus._on(\"updateviewarea\", this._boundEvents.updateViewarea);\n    window.addEventListener(\"popstate\", this._boundEvents.popState);\n    window.addEventListener(\"pagehide\", this._boundEvents.pageHide);\n  }\n\n  /**\n   * @private\n   */\n  _unbindEvents() {\n    if (!this._boundEvents) {\n      return; // The event listeners were already removed.\n    }\n    this.eventBus._off(\"updateviewarea\", this._boundEvents.updateViewarea);\n    window.removeEventListener(\"popstate\", this._boundEvents.popState);\n    window.removeEventListener(\"pagehide\", this._boundEvents.pageHide);\n\n    this._boundEvents = null;\n  }\n}\n\nfunction isDestHashesEqual(destHash, pushHash) {\n  if (typeof destHash !== \"string\" || typeof pushHash !== \"string\") {\n    return false;\n  }\n  if (destHash === pushHash) {\n    return true;\n  }\n  const { nameddest } = parseQueryString(destHash);\n  if (nameddest === pushHash) {\n    return true;\n  }\n  return false;\n}\n\nfunction isDestArraysEqual(firstDest, secondDest) {\n  function isEntryEqual(first, second) {\n    if (typeof first !== typeof second) {\n      return false;\n    }\n    if (Array.isArray(first) || Array.isArray(second)) {\n      return false;\n    }\n    if (first !== null && typeof first === \"object\" && second !== null) {\n      if (Object.keys(first).length !== Object.keys(second).length) {\n        return false;\n      }\n      for (const key in first) {\n        if (!isEntryEqual(first[key], second[key])) {\n          return false;\n        }\n      }\n      return true;\n    }\n    return first === second || (Number.isNaN(first) && Number.isNaN(second));\n  }\n\n  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {\n    return false;\n  }\n  if (firstDest.length !== secondDest.length) {\n    return false;\n  }\n  for (let i = 0, ii = firstDest.length; i < ii; i++) {\n    if (!isEntryEqual(firstDest[i], secondDest[i])) {\n      return false;\n    }\n  }\n  return true;\n}\n\nexport { PDFHistory, isDestHashesEqual, isDestArraysEqual };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  approximateFraction,\n  CSS_UNITS,\n  DEFAULT_SCALE,\n  getOutputScale,\n  NullL10n,\n  RendererType,\n  roundToDivide,\n  TextLayerMode,\n} from \"./ui_utils.js\";\nimport {\n  createPromiseCapability,\n  RenderingCancelledException,\n  SVGGraphics,\n} from \"pdfjs-lib\";\nimport { RenderingStates } from \"./pdf_rendering_queue.js\";\nimport { viewerCompatibilityParams } from \"./viewer_compatibility.js\";\n\n/**\n * @typedef {Object} PDFPageViewOptions\n * @property {HTMLDivElement} container - The viewer element.\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} id - The page unique ID (normally its number).\n * @property {number} scale - The page scale display.\n * @property {PageViewport} defaultViewport - The page viewport.\n * @property {AnnotationStorage} [annotationStorage] - Storage for annotation\n *   data in forms. The default value is `null`.\n * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -\n *   A promise that is resolved with an {@link OptionalContentConfig} instance.\n *   The default value is `null`.\n * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.\n * @property {IPDFTextLayerFactory} textLayerFactory\n * @property {number} [textLayerMode] - Controls if the text layer used for\n *   selection and searching is created, and if the improved text selection\n *   behaviour is enabled. The constants from {TextLayerMode} should be used.\n *   The default value is `TextLayerMode.ENABLE`.\n * @property {IPDFAnnotationLayerFactory} annotationLayerFactory\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms - Turns on rendering of\n *   interactive form elements. The default value is `true`.\n * @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [useOnlyCssZoom] - Enables CSS only zooming. The default\n *   value is `false`.\n * @property {number} [maxCanvasPixels] - The maximum supported canvas size in\n *   total pixels, i.e. width * height. Use -1 for no limit. The default value\n *   is 4096 * 4096 (16 mega-pixels).\n * @property {IL10n} l10n - Localization service.\n */\n\nconst MAX_CANVAS_PIXELS = viewerCompatibilityParams.maxCanvasPixels || 16777216;\n\n/**\n * @implements {IRenderableView}\n */\nclass PDFPageView {\n  /**\n   * @param {PDFPageViewOptions} options\n   */\n  constructor(options) {\n    const container = options.container;\n    const defaultViewport = options.defaultViewport;\n\n    this.id = options.id;\n    this.renderingId = \"page\" + this.id;\n\n    this.pdfPage = null;\n    this.pageLabel = null;\n    this.rotation = 0;\n    this.scale = options.scale || DEFAULT_SCALE;\n    this.viewport = defaultViewport;\n    this.pdfPageRotate = defaultViewport.rotation;\n    this._annotationStorage = options.annotationStorage || null;\n    this._optionalContentConfigPromise =\n      options.optionalContentConfigPromise || null;\n    this.hasRestrictedScaling = false;\n    this.textLayerMode = Number.isInteger(options.textLayerMode)\n      ? options.textLayerMode\n      : TextLayerMode.ENABLE;\n    this.imageResourcesPath = options.imageResourcesPath || \"\";\n    this.renderInteractiveForms =\n      typeof options.renderInteractiveForms === \"boolean\"\n        ? options.renderInteractiveForms\n        : true;\n    this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;\n\n    this.eventBus = options.eventBus;\n    this.renderingQueue = options.renderingQueue;\n    this.textLayerFactory = options.textLayerFactory;\n    this.annotationLayerFactory = options.annotationLayerFactory;\n    this.renderer = options.renderer || RendererType.CANVAS;\n    this.enableWebGL = options.enableWebGL || false;\n    this.l10n = options.l10n || NullL10n;\n\n    this.paintTask = null;\n    this.paintedViewportMap = new WeakMap();\n    this.renderingState = RenderingStates.INITIAL;\n    this.resume = null;\n    this.error = null;\n\n    this.annotationLayer = null;\n    this.textLayer = null;\n    this.zoomLayer = null;\n\n    const div = document.createElement(\"div\");\n    div.className = \"page\";\n    div.style.width = Math.floor(this.viewport.width) + \"px\";\n    div.style.height = Math.floor(this.viewport.height) + \"px\";\n    div.setAttribute(\"data-page-number\", this.id);\n    this.div = div;\n\n    container.appendChild(div);\n  }\n\n  setPdfPage(pdfPage) {\n    this.pdfPage = pdfPage;\n    this.pdfPageRotate = pdfPage.rotate;\n\n    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n    this.viewport = pdfPage.getViewport({\n      scale: this.scale * CSS_UNITS,\n      rotation: totalRotation,\n    });\n    this.stats = pdfPage.stats;\n    this.reset();\n  }\n\n  destroy() {\n    this.reset();\n    if (this.pdfPage) {\n      this.pdfPage.cleanup();\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _renderAnnotationLayer() {\n    let error = null;\n    try {\n      await this.annotationLayer.render(this.viewport, \"display\");\n    } catch (ex) {\n      error = ex;\n    } finally {\n      this.eventBus.dispatch(\"annotationlayerrendered\", {\n        source: this,\n        pageNumber: this.id,\n        error,\n      });\n    }\n  }\n\n  /**\n   * @private\n   */\n  _resetZoomLayer(removeFromDOM = false) {\n    if (!this.zoomLayer) {\n      return;\n    }\n    const zoomLayerCanvas = this.zoomLayer.firstChild;\n    this.paintedViewportMap.delete(zoomLayerCanvas);\n    // Zeroing the width and height causes Firefox to release graphics\n    // resources immediately, which can greatly reduce memory consumption.\n    zoomLayerCanvas.width = 0;\n    zoomLayerCanvas.height = 0;\n\n    if (removeFromDOM) {\n      // Note: `ChildNode.remove` doesn't throw if the parent node is undefined.\n      this.zoomLayer.remove();\n    }\n    this.zoomLayer = null;\n  }\n\n  reset(keepZoomLayer = false, keepAnnotations = false) {\n    this.cancelRendering(keepAnnotations);\n    this.renderingState = RenderingStates.INITIAL;\n\n    const div = this.div;\n    div.style.width = Math.floor(this.viewport.width) + \"px\";\n    div.style.height = Math.floor(this.viewport.height) + \"px\";\n\n    const childNodes = div.childNodes;\n    const currentZoomLayerNode = (keepZoomLayer && this.zoomLayer) || null;\n    const currentAnnotationNode =\n      (keepAnnotations && this.annotationLayer && this.annotationLayer.div) ||\n      null;\n    for (let i = childNodes.length - 1; i >= 0; i--) {\n      const node = childNodes[i];\n      if (currentZoomLayerNode === node || currentAnnotationNode === node) {\n        continue;\n      }\n      div.removeChild(node);\n    }\n    div.removeAttribute(\"data-loaded\");\n\n    if (currentAnnotationNode) {\n      // Hide the annotation layer until all elements are resized\n      // so they are not displayed on the already resized page.\n      this.annotationLayer.hide();\n    } else if (this.annotationLayer) {\n      this.annotationLayer.cancel();\n      this.annotationLayer = null;\n    }\n\n    if (!currentZoomLayerNode) {\n      if (this.canvas) {\n        this.paintedViewportMap.delete(this.canvas);\n        // Zeroing the width and height causes Firefox to release graphics\n        // resources immediately, which can greatly reduce memory consumption.\n        this.canvas.width = 0;\n        this.canvas.height = 0;\n        delete this.canvas;\n      }\n      this._resetZoomLayer();\n    }\n    if (this.svg) {\n      this.paintedViewportMap.delete(this.svg);\n      delete this.svg;\n    }\n\n    this.loadingIconDiv = document.createElement(\"div\");\n    this.loadingIconDiv.className = \"loadingIcon\";\n    div.appendChild(this.loadingIconDiv);\n  }\n\n  update(scale, rotation, optionalContentConfigPromise = null) {\n    this.scale = scale || this.scale;\n    // The rotation may be zero.\n    if (typeof rotation !== \"undefined\") {\n      this.rotation = rotation;\n    }\n    if (optionalContentConfigPromise instanceof Promise) {\n      this._optionalContentConfigPromise = optionalContentConfigPromise;\n    }\n\n    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n    this.viewport = this.viewport.clone({\n      scale: this.scale * CSS_UNITS,\n      rotation: totalRotation,\n    });\n\n    if (this.svg) {\n      this.cssTransform(this.svg, true);\n\n      this.eventBus.dispatch(\"pagerendered\", {\n        source: this,\n        pageNumber: this.id,\n        cssTransform: true,\n        timestamp: performance.now(),\n      });\n      return;\n    }\n\n    let isScalingRestricted = false;\n    if (this.canvas && this.maxCanvasPixels > 0) {\n      const outputScale = this.outputScale;\n      if (\n        ((Math.floor(this.viewport.width) * outputScale.sx) | 0) *\n          ((Math.floor(this.viewport.height) * outputScale.sy) | 0) >\n        this.maxCanvasPixels\n      ) {\n        isScalingRestricted = true;\n      }\n    }\n\n    if (this.canvas) {\n      if (\n        this.useOnlyCssZoom ||\n        (this.hasRestrictedScaling && isScalingRestricted)\n      ) {\n        this.cssTransform(this.canvas, true);\n\n        this.eventBus.dispatch(\"pagerendered\", {\n          source: this,\n          pageNumber: this.id,\n          cssTransform: true,\n          timestamp: performance.now(),\n        });\n        return;\n      }\n      if (!this.zoomLayer && !this.canvas.hasAttribute(\"hidden\")) {\n        this.zoomLayer = this.canvas.parentNode;\n        this.zoomLayer.style.position = \"absolute\";\n      }\n    }\n    if (this.zoomLayer) {\n      this.cssTransform(this.zoomLayer.firstChild);\n    }\n    this.reset(/* keepZoomLayer = */ true, /* keepAnnotations = */ true);\n  }\n\n  /**\n   * PLEASE NOTE: Most likely you want to use the `this.reset()` method,\n   *              rather than calling this one directly.\n   */\n  cancelRendering(keepAnnotations = false) {\n    if (this.paintTask) {\n      this.paintTask.cancel();\n      this.paintTask = null;\n    }\n    this.resume = null;\n\n    if (this.textLayer) {\n      this.textLayer.cancel();\n      this.textLayer = null;\n    }\n    if (!keepAnnotations && this.annotationLayer) {\n      this.annotationLayer.cancel();\n      this.annotationLayer = null;\n    }\n  }\n\n  cssTransform(target, redrawAnnotations = false) {\n    // Scale target (canvas or svg), its wrapper and page container.\n    const width = this.viewport.width;\n    const height = this.viewport.height;\n    const div = this.div;\n    target.style.width = target.parentNode.style.width = div.style.width =\n      Math.floor(width) + \"px\";\n    target.style.height = target.parentNode.style.height = div.style.height =\n      Math.floor(height) + \"px\";\n    // The canvas may have been originally rotated; rotate relative to that.\n    const relativeRotation =\n      this.viewport.rotation - this.paintedViewportMap.get(target).rotation;\n    const absRotation = Math.abs(relativeRotation);\n    let scaleX = 1,\n      scaleY = 1;\n    if (absRotation === 90 || absRotation === 270) {\n      // Scale x and y because of the rotation.\n      scaleX = height / width;\n      scaleY = width / height;\n    }\n    const cssTransform =\n      \"rotate(\" +\n      relativeRotation +\n      \"deg) \" +\n      \"scale(\" +\n      scaleX +\n      \",\" +\n      scaleY +\n      \")\";\n    target.style.transform = cssTransform;\n\n    if (this.textLayer) {\n      // Rotating the text layer is more complicated since the divs inside the\n      // the text layer are rotated.\n      // TODO: This could probably be simplified by drawing the text layer in\n      // one orientation and then rotating overall.\n      const textLayerViewport = this.textLayer.viewport;\n      const textRelativeRotation =\n        this.viewport.rotation - textLayerViewport.rotation;\n      const textAbsRotation = Math.abs(textRelativeRotation);\n      let scale = width / textLayerViewport.width;\n      if (textAbsRotation === 90 || textAbsRotation === 270) {\n        scale = width / textLayerViewport.height;\n      }\n      const textLayerDiv = this.textLayer.textLayerDiv;\n      let transX, transY;\n      switch (textAbsRotation) {\n        case 0:\n          transX = transY = 0;\n          break;\n        case 90:\n          transX = 0;\n          transY = \"-\" + textLayerDiv.style.height;\n          break;\n        case 180:\n          transX = \"-\" + textLayerDiv.style.width;\n          transY = \"-\" + textLayerDiv.style.height;\n          break;\n        case 270:\n          transX = \"-\" + textLayerDiv.style.width;\n          transY = 0;\n          break;\n        default:\n          console.error(\"Bad rotation value.\");\n          break;\n      }\n\n      textLayerDiv.style.transform =\n        \"rotate(\" +\n        textAbsRotation +\n        \"deg) \" +\n        \"scale(\" +\n        scale +\n        \", \" +\n        scale +\n        \") \" +\n        \"translate(\" +\n        transX +\n        \", \" +\n        transY +\n        \")\";\n      textLayerDiv.style.transformOrigin = \"0% 0%\";\n    }\n\n    if (redrawAnnotations && this.annotationLayer) {\n      this._renderAnnotationLayer();\n    }\n  }\n\n  get width() {\n    return this.viewport.width;\n  }\n\n  get height() {\n    return this.viewport.height;\n  }\n\n  getPagePoint(x, y) {\n    return this.viewport.convertToPdfPoint(x, y);\n  }\n\n  draw() {\n    if (this.renderingState !== RenderingStates.INITIAL) {\n      console.error(\"Must be in new state before drawing\");\n      this.reset(); // Ensure that we reset all state to prevent issues.\n    }\n    const { div, pdfPage } = this;\n\n    if (!pdfPage) {\n      this.renderingState = RenderingStates.FINISHED;\n\n      if (this.loadingIconDiv) {\n        div.removeChild(this.loadingIconDiv);\n        delete this.loadingIconDiv;\n      }\n      return Promise.reject(new Error(\"pdfPage is not loaded\"));\n    }\n\n    this.renderingState = RenderingStates.RUNNING;\n\n    // Wrap the canvas so that if it has a CSS transform for high DPI the\n    // overflow will be hidden in Firefox.\n    const canvasWrapper = document.createElement(\"div\");\n    canvasWrapper.style.width = div.style.width;\n    canvasWrapper.style.height = div.style.height;\n    canvasWrapper.classList.add(\"canvasWrapper\");\n\n    if (this.annotationLayer && this.annotationLayer.div) {\n      // The annotation layer needs to stay on top.\n      div.insertBefore(canvasWrapper, this.annotationLayer.div);\n    } else {\n      div.appendChild(canvasWrapper);\n    }\n\n    let textLayer = null;\n    if (this.textLayerMode !== TextLayerMode.DISABLE && this.textLayerFactory) {\n      const textLayerDiv = document.createElement(\"div\");\n      textLayerDiv.className = \"textLayer\";\n      textLayerDiv.style.width = canvasWrapper.style.width;\n      textLayerDiv.style.height = canvasWrapper.style.height;\n      if (this.annotationLayer && this.annotationLayer.div) {\n        // The annotation layer needs to stay on top.\n        div.insertBefore(textLayerDiv, this.annotationLayer.div);\n      } else {\n        div.appendChild(textLayerDiv);\n      }\n\n      textLayer = this.textLayerFactory.createTextLayerBuilder(\n        textLayerDiv,\n        this.id - 1,\n        this.viewport,\n        this.textLayerMode === TextLayerMode.ENABLE_ENHANCE,\n        this.eventBus\n      );\n    }\n    this.textLayer = textLayer;\n\n    let renderContinueCallback = null;\n    if (this.renderingQueue) {\n      renderContinueCallback = cont => {\n        if (!this.renderingQueue.isHighestPriority(this)) {\n          this.renderingState = RenderingStates.PAUSED;\n          this.resume = () => {\n            this.renderingState = RenderingStates.RUNNING;\n            cont();\n          };\n          return;\n        }\n        cont();\n      };\n    }\n\n    const finishPaintTask = async error => {\n      // The paintTask may have been replaced by a new one, so only remove\n      // the reference to the paintTask if it matches the one that is\n      // triggering this callback.\n      if (paintTask === this.paintTask) {\n        this.paintTask = null;\n      }\n\n      if (error instanceof RenderingCancelledException) {\n        this.error = null;\n        return;\n      }\n\n      this.renderingState = RenderingStates.FINISHED;\n\n      if (this.loadingIconDiv) {\n        div.removeChild(this.loadingIconDiv);\n        delete this.loadingIconDiv;\n      }\n      this._resetZoomLayer(/* removeFromDOM = */ true);\n\n      this.error = error;\n      this.stats = pdfPage.stats;\n\n      this.eventBus.dispatch(\"pagerendered\", {\n        source: this,\n        pageNumber: this.id,\n        cssTransform: false,\n        timestamp: performance.now(),\n      });\n\n      if (error) {\n        throw error;\n      }\n    };\n\n    const paintTask =\n      this.renderer === RendererType.SVG\n        ? this.paintOnSvg(canvasWrapper)\n        : this.paintOnCanvas(canvasWrapper);\n    paintTask.onRenderContinue = renderContinueCallback;\n    this.paintTask = paintTask;\n\n    const resultPromise = paintTask.promise.then(\n      function () {\n        return finishPaintTask(null).then(function () {\n          if (textLayer) {\n            const readableStream = pdfPage.streamTextContent({\n              normalizeWhitespace: true,\n            });\n            textLayer.setTextContentStream(readableStream);\n            textLayer.render();\n          }\n        });\n      },\n      function (reason) {\n        return finishPaintTask(reason);\n      }\n    );\n\n    if (this.annotationLayerFactory) {\n      if (!this.annotationLayer) {\n        this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(\n          div,\n          pdfPage,\n          this._annotationStorage,\n          this.imageResourcesPath,\n          this.renderInteractiveForms,\n          this.l10n\n        );\n      }\n      this._renderAnnotationLayer();\n    }\n    div.setAttribute(\"data-loaded\", true);\n\n    this.eventBus.dispatch(\"pagerender\", {\n      source: this,\n      pageNumber: this.id,\n    });\n    return resultPromise;\n  }\n\n  paintOnCanvas(canvasWrapper) {\n    const renderCapability = createPromiseCapability();\n    const result = {\n      promise: renderCapability.promise,\n      onRenderContinue(cont) {\n        cont();\n      },\n      cancel() {\n        renderTask.cancel();\n      },\n    };\n\n    const viewport = this.viewport;\n    const canvas = document.createElement(\"canvas\");\n    this.l10n\n      .get(\"page_canvas\", { page: this.id }, \"Page {{page}}\")\n      .then(msg => {\n        canvas.setAttribute(\"aria-label\", msg);\n      });\n\n    // Keep the canvas hidden until the first draw callback, or until drawing\n    // is complete when `!this.renderingQueue`, to prevent black flickering.\n    canvas.setAttribute(\"hidden\", \"hidden\");\n    let isCanvasHidden = true;\n    const showCanvas = function () {\n      if (isCanvasHidden) {\n        canvas.removeAttribute(\"hidden\");\n        isCanvasHidden = false;\n      }\n    };\n\n    canvasWrapper.appendChild(canvas);\n    this.canvas = canvas;\n\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"MOZCENTRAL || GENERIC\")\n    ) {\n      canvas.mozOpaque = true;\n    }\n\n    const ctx = canvas.getContext(\"2d\", { alpha: false });\n    const outputScale = getOutputScale(ctx);\n    this.outputScale = outputScale;\n\n    if (this.useOnlyCssZoom) {\n      const actualSizeViewport = viewport.clone({ scale: CSS_UNITS });\n      // Use a scale that makes the canvas have the originally intended size\n      // of the page.\n      outputScale.sx *= actualSizeViewport.width / viewport.width;\n      outputScale.sy *= actualSizeViewport.height / viewport.height;\n      outputScale.scaled = true;\n    }\n\n    if (this.maxCanvasPixels > 0) {\n      const pixelsInViewport = viewport.width * viewport.height;\n      const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);\n      if (outputScale.sx > maxScale || outputScale.sy > maxScale) {\n        outputScale.sx = maxScale;\n        outputScale.sy = maxScale;\n        outputScale.scaled = true;\n        this.hasRestrictedScaling = true;\n      } else {\n        this.hasRestrictedScaling = false;\n      }\n    }\n\n    const sfx = approximateFraction(outputScale.sx);\n    const sfy = approximateFraction(outputScale.sy);\n    canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);\n    canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);\n    canvas.style.width = roundToDivide(viewport.width, sfx[1]) + \"px\";\n    canvas.style.height = roundToDivide(viewport.height, sfy[1]) + \"px\";\n    // Add the viewport so it's known what it was originally drawn with.\n    this.paintedViewportMap.set(canvas, viewport);\n\n    // Rendering area\n    const transform = !outputScale.scaled\n      ? null\n      : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];\n    const renderContext = {\n      canvasContext: ctx,\n      transform,\n      viewport: this.viewport,\n      enableWebGL: this.enableWebGL,\n      renderInteractiveForms: this.renderInteractiveForms,\n      optionalContentConfigPromise: this._optionalContentConfigPromise,\n    };\n    const renderTask = this.pdfPage.render(renderContext);\n    renderTask.onContinue = function (cont) {\n      showCanvas();\n      if (result.onRenderContinue) {\n        result.onRenderContinue(cont);\n      } else {\n        cont();\n      }\n    };\n\n    renderTask.promise.then(\n      function () {\n        showCanvas();\n        renderCapability.resolve(undefined);\n      },\n      function (error) {\n        showCanvas();\n        renderCapability.reject(error);\n      }\n    );\n    return result;\n  }\n\n  paintOnSvg(wrapper) {\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"MOZCENTRAL || CHROME\")\n    ) {\n      // Return a mock object, to prevent errors such as e.g.\n      // \"TypeError: paintTask.promise is undefined\".\n      return {\n        promise: Promise.reject(new Error(\"SVG rendering is not supported.\")),\n        onRenderContinue(cont) {},\n        cancel() {},\n      };\n    }\n\n    let cancelled = false;\n    const ensureNotCancelled = () => {\n      if (cancelled) {\n        throw new RenderingCancelledException(\n          `Rendering cancelled, page ${this.id}`,\n          \"svg\"\n        );\n      }\n    };\n\n    const pdfPage = this.pdfPage;\n    const actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS });\n    const promise = pdfPage.getOperatorList().then(opList => {\n      ensureNotCancelled();\n      const svgGfx = new SVGGraphics(pdfPage.commonObjs, pdfPage.objs);\n      return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {\n        ensureNotCancelled();\n        this.svg = svg;\n        this.paintedViewportMap.set(svg, actualSizeViewport);\n\n        svg.style.width = wrapper.style.width;\n        svg.style.height = wrapper.style.height;\n        this.renderingState = RenderingStates.FINISHED;\n        wrapper.appendChild(svg);\n      });\n    });\n\n    return {\n      promise,\n      onRenderContinue(cont) {\n        cont();\n      },\n      cancel() {\n        cancelled = true;\n      },\n    };\n  }\n\n  /**\n   * @param {string|null} label\n   */\n  setPageLabel(label) {\n    this.pageLabel = typeof label === \"string\" ? label : null;\n\n    if (this.pageLabel !== null) {\n      this.div.setAttribute(\"data-page-label\", this.pageLabel);\n    } else {\n      this.div.removeAttribute(\"data-page-label\");\n    }\n  }\n}\n\nexport { PDFPageView };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CLEANUP_TIMEOUT = 30000;\n\nconst RenderingStates = {\n  INITIAL: 0,\n  RUNNING: 1,\n  PAUSED: 2,\n  FINISHED: 3,\n};\n\n/**\n * Controls rendering of the views for pages and thumbnails.\n */\nclass PDFRenderingQueue {\n  constructor() {\n    this.pdfViewer = null;\n    this.pdfThumbnailViewer = null;\n    this.onIdle = null;\n    this.highestPriorityPage = null;\n    this.idleTimeout = null;\n    this.printing = false;\n    this.isThumbnailViewEnabled = false;\n  }\n\n  /**\n   * @param {PDFViewer} pdfViewer\n   */\n  setViewer(pdfViewer) {\n    this.pdfViewer = pdfViewer;\n  }\n\n  /**\n   * @param {PDFThumbnailViewer} pdfThumbnailViewer\n   */\n  setThumbnailViewer(pdfThumbnailViewer) {\n    this.pdfThumbnailViewer = pdfThumbnailViewer;\n  }\n\n  /**\n   * @param {IRenderableView} view\n   * @returns {boolean}\n   */\n  isHighestPriority(view) {\n    return this.highestPriorityPage === view.renderingId;\n  }\n\n  /**\n   * @param {Object} currentlyVisiblePages\n   */\n  renderHighestPriority(currentlyVisiblePages) {\n    if (this.idleTimeout) {\n      clearTimeout(this.idleTimeout);\n      this.idleTimeout = null;\n    }\n\n    // Pages have a higher priority than thumbnails, so check them first.\n    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {\n      return;\n    }\n    // No pages needed rendering, so check thumbnails.\n    if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {\n      if (this.pdfThumbnailViewer.forceRendering()) {\n        return;\n      }\n    }\n\n    if (this.printing) {\n      // If printing is currently ongoing do not reschedule cleanup.\n      return;\n    }\n\n    if (this.onIdle) {\n      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);\n    }\n  }\n\n  /**\n   * @param {Object} visible\n   * @param {Array} views\n   * @param {boolean} scrolledDown\n   */\n  getHighestPriority(visible, views, scrolledDown) {\n    /**\n     * The state has changed. Figure out which page has the highest priority to\n     * render next (if any).\n     *\n     * Priority:\n     * 1. visible pages\n     * 2. if last scrolled down, the page after the visible pages, or\n     *    if last scrolled up, the page before the visible pages\n     */\n    const visibleViews = visible.views;\n\n    const numVisible = visibleViews.length;\n    if (numVisible === 0) {\n      return null;\n    }\n    for (let i = 0; i < numVisible; ++i) {\n      const view = visibleViews[i].view;\n      if (!this.isViewFinished(view)) {\n        return view;\n      }\n    }\n\n    // All the visible views have rendered; try to render next/previous pages.\n    if (scrolledDown) {\n      const nextPageIndex = visible.last.id;\n      // IDs start at 1, so no need to add 1.\n      if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {\n        return views[nextPageIndex];\n      }\n    } else {\n      const previousPageIndex = visible.first.id - 2;\n      if (\n        views[previousPageIndex] &&\n        !this.isViewFinished(views[previousPageIndex])\n      ) {\n        return views[previousPageIndex];\n      }\n    }\n    // Everything that needs to be rendered has been.\n    return null;\n  }\n\n  /**\n   * @param {IRenderableView} view\n   * @returns {boolean}\n   */\n  isViewFinished(view) {\n    return view.renderingState === RenderingStates.FINISHED;\n  }\n\n  /**\n   * Render a page or thumbnail view. This calls the appropriate function\n   * based on the views state. If the view is already rendered it will return\n   * `false`.\n   *\n   * @param {IRenderableView} view\n   */\n  renderView(view) {\n    switch (view.renderingState) {\n      case RenderingStates.FINISHED:\n        return false;\n      case RenderingStates.PAUSED:\n        this.highestPriorityPage = view.renderingId;\n        view.resume();\n        break;\n      case RenderingStates.RUNNING:\n        this.highestPriorityPage = view.renderingId;\n        break;\n      case RenderingStates.INITIAL:\n        this.highestPriorityPage = view.renderingId;\n        view\n          .draw()\n          .finally(() => {\n            this.renderHighestPriority();\n          })\n          .catch(reason => {\n            console.error(`renderView: \"${reason}\"`);\n          });\n        break;\n    }\n    return true;\n  }\n}\n\nexport { RenderingStates, PDFRenderingQueue };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseViewer } from \"./base_viewer.js\";\nimport { shadow } from \"pdfjs-lib\";\n\nclass PDFSinglePageViewer extends BaseViewer {\n  constructor(options) {\n    super(options);\n\n    this.eventBus._on(\"pagesinit\", evt => {\n      // Since the pages are placed in a `DocumentFragment`, make sure that\n      // the current page becomes visible upon loading of the document.\n      this._ensurePageViewVisible();\n    });\n  }\n\n  get _viewerElement() {\n    // Since we only want to display *one* page at a time when using the\n    // `PDFSinglePageViewer`, we cannot append them to the `viewer` DOM element.\n    // Instead, they are placed in a `DocumentFragment`, and only the current\n    // page is displayed in the viewer (refer to `this._ensurePageViewVisible`).\n    return shadow(this, \"_viewerElement\", this._shadowViewer);\n  }\n\n  _resetView() {\n    super._resetView();\n    this._previousPageNumber = 1;\n    this._shadowViewer = document.createDocumentFragment();\n    this._updateScrollDown = null;\n  }\n\n  _ensurePageViewVisible() {\n    const pageView = this._pages[this._currentPageNumber - 1];\n    const previousPageView = this._pages[this._previousPageNumber - 1];\n\n    const viewerNodes = this.viewer.childNodes;\n    switch (viewerNodes.length) {\n      case 0: // Should *only* occur on initial loading.\n        this.viewer.appendChild(pageView.div);\n        break;\n      case 1: // The normal page-switching case.\n        if (viewerNodes[0] !== previousPageView.div) {\n          throw new Error(\n            \"_ensurePageViewVisible: Unexpected previously visible page.\"\n          );\n        }\n        if (pageView === previousPageView) {\n          break; // The correct page is already visible.\n        }\n        // Switch visible pages, and reset the viewerContainer scroll position.\n        this._shadowViewer.appendChild(previousPageView.div);\n        this.viewer.appendChild(pageView.div);\n\n        this.container.scrollTop = 0;\n        break;\n      default:\n        throw new Error(\n          \"_ensurePageViewVisible: Only one page should be visible at a time.\"\n        );\n    }\n    this._previousPageNumber = this._currentPageNumber;\n  }\n\n  _scrollUpdate() {\n    if (this._updateScrollDown) {\n      this._updateScrollDown();\n    }\n    super._scrollUpdate();\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    if (pageNumber) {\n      // Ensure that `this._currentPageNumber` is correct.\n      this._setCurrentPageNumber(pageNumber);\n    }\n    const scrolledDown = this._currentPageNumber >= this._previousPageNumber;\n\n    this._ensurePageViewVisible();\n    // Ensure that rendering always occurs, to avoid showing a blank page,\n    // even if the current position doesn't change when the page is scrolled.\n    this.update();\n\n    super._scrollIntoView({ pageDiv, pageSpot, pageNumber });\n\n    // Since scrolling is tracked using `requestAnimationFrame`, update the\n    // scroll direction during the next `this._scrollUpdate` invocation.\n    this._updateScrollDown = () => {\n      this.scroll.down = scrolledDown;\n      this._updateScrollDown = null;\n    };\n  }\n\n  _getVisiblePages() {\n    return this._getCurrentVisiblePage();\n  }\n\n  _updateHelper(visiblePages) {}\n\n  get _isScrollModeHorizontal() {\n    // The Scroll/Spread modes are never used in `PDFSinglePageViewer`.\n    return shadow(this, \"_isScrollModeHorizontal\", false);\n  }\n\n  _updateScrollMode() {}\n\n  _updateSpreadMode() {}\n}\n\nexport { PDFSinglePageViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CSS_UNITS,\n  DEFAULT_SCALE,\n  DEFAULT_SCALE_VALUE,\n  getVisibleElements,\n  isPortraitOrientation,\n  isValidRotation,\n  isValidScrollMode,\n  isValidSpreadMode,\n  MAX_AUTO_SCALE,\n  moveToEndOfArray,\n  NullL10n,\n  PresentationModeState,\n  RendererType,\n  SCROLLBAR_PADDING,\n  scrollIntoView,\n  ScrollMode,\n  SpreadMode,\n  TextLayerMode,\n  UNKNOWN_SCALE,\n  VERTICAL_PADDING,\n  watchScroll,\n} from \"./ui_utils.js\";\nimport { PDFRenderingQueue, RenderingStates } from \"./pdf_rendering_queue.js\";\nimport { AnnotationLayerBuilder } from \"./annotation_layer_builder.js\";\nimport { createPromiseCapability } from \"pdfjs-lib\";\nimport { PDFPageView } from \"./pdf_page_view.js\";\nimport { SimpleLinkService } from \"./pdf_link_service.js\";\nimport { TextLayerBuilder } from \"./text_layer_builder.js\";\n\nconst DEFAULT_CACHE_SIZE = 10;\n\n/**\n * @typedef {Object} PDFViewerOptions\n * @property {HTMLDivElement} container - The container for the viewer element.\n * @property {HTMLDivElement} [viewer] - The viewer element.\n * @property {EventBus} eventBus - The application event bus.\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {DownloadManager} [downloadManager] - The download manager\n *   component.\n * @property {PDFFindController} [findController] - The find controller\n *   component.\n * @property {PDFRenderingQueue} [renderingQueue] - The rendering queue object.\n * @property {boolean} [removePageBorders] - Removes the border shadow around\n *   the pages. The default value is `false`.\n * @property {number} [textLayerMode] - Controls if the text layer used for\n *   selection and searching is created, and if the improved text selection\n *   behaviour is enabled. The constants from {TextLayerMode} should be used.\n *   The default value is `TextLayerMode.ENABLE`.\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   mainly for annotation icons. Include trailing slash.\n * @property {boolean} [renderInteractiveForms] - Enables rendering of\n *   interactive form elements. The default value is `true`.\n * @property {boolean} [enablePrintAutoRotate] - Enables automatic rotation of\n *   landscape pages upon printing. The default is `false`.\n * @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [useOnlyCssZoom] - Enables CSS only zooming. The default\n *   value is `false`.\n * @property {number} [maxCanvasPixels] - The maximum supported canvas size in\n *   total pixels, i.e. width * height. Use -1 for no limit. The default value\n *   is 4096 * 4096 (16 mega-pixels).\n * @property {IL10n} l10n - Localization service.\n */\n\nfunction PDFPageViewBuffer(size) {\n  const data = [];\n  this.push = function (view) {\n    const i = data.indexOf(view);\n    if (i >= 0) {\n      data.splice(i, 1);\n    }\n    data.push(view);\n    if (data.length > size) {\n      data.shift().destroy();\n    }\n  };\n  /**\n   * After calling resize, the size of the buffer will be newSize. The optional\n   * parameter pagesToKeep is, if present, an array of pages to push to the back\n   * of the buffer, delaying their destruction. The size of pagesToKeep has no\n   * impact on the final size of the buffer; if pagesToKeep has length larger\n   * than newSize, some of those pages will be destroyed anyway.\n   */\n  this.resize = function (newSize, pagesToKeep) {\n    size = newSize;\n    if (pagesToKeep) {\n      const pageIdsToKeep = new Set();\n      for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {\n        pageIdsToKeep.add(pagesToKeep[i].id);\n      }\n      moveToEndOfArray(data, function (page) {\n        return pageIdsToKeep.has(page.id);\n      });\n    }\n    while (data.length > size) {\n      data.shift().destroy();\n    }\n  };\n}\n\nfunction isSameScale(oldScale, newScale) {\n  if (newScale === oldScale) {\n    return true;\n  }\n  if (Math.abs(newScale - oldScale) < 1e-15) {\n    // Prevent unnecessary re-rendering of all pages when the scale\n    // changes only because of limited numerical precision.\n    return true;\n  }\n  return false;\n}\n\n/**\n * Simple viewer control to display PDF content/pages.\n * @implements {IRenderableView}\n */\nclass BaseViewer {\n  /**\n   * @param {PDFViewerOptions} options\n   */\n  constructor(options) {\n    if (this.constructor === BaseViewer) {\n      throw new Error(\"Cannot initialize BaseViewer.\");\n    }\n    this._name = this.constructor.name;\n\n    this.container = options.container;\n    this.viewer = options.viewer || options.container.firstElementChild;\n\n    if (\n      (typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || GENERIC\")) &&\n      !(\n        this.container instanceof HTMLDivElement &&\n        this.viewer instanceof HTMLDivElement\n      )\n    ) {\n      throw new Error(\"Invalid `container` and/or `viewer` option.\");\n    }\n    this.eventBus = options.eventBus;\n    this.linkService = options.linkService || new SimpleLinkService();\n    this.downloadManager = options.downloadManager || null;\n    this.findController = options.findController || null;\n    this.removePageBorders = options.removePageBorders || false;\n    this.textLayerMode = Number.isInteger(options.textLayerMode)\n      ? options.textLayerMode\n      : TextLayerMode.ENABLE;\n    this.imageResourcesPath = options.imageResourcesPath || \"\";\n    this.renderInteractiveForms =\n      typeof options.renderInteractiveForms === \"boolean\"\n        ? options.renderInteractiveForms\n        : true;\n    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;\n    this.renderer = options.renderer || RendererType.CANVAS;\n    this.enableWebGL = options.enableWebGL || false;\n    this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n    this.maxCanvasPixels = options.maxCanvasPixels;\n    this.l10n = options.l10n || NullL10n;\n\n    this.defaultRenderingQueue = !options.renderingQueue;\n    if (this.defaultRenderingQueue) {\n      // Custom rendering queue is not specified, using default one\n      this.renderingQueue = new PDFRenderingQueue();\n      this.renderingQueue.setViewer(this);\n    } else {\n      this.renderingQueue = options.renderingQueue;\n    }\n\n    this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));\n    this.presentationModeState = PresentationModeState.UNKNOWN;\n    this._onBeforeDraw = this._onAfterDraw = null;\n    this._resetView();\n\n    if (this.removePageBorders) {\n      this.viewer.classList.add(\"removePageBorders\");\n    }\n    // Defer the dispatching of this event, to give other viewer components\n    // time to initialize *and* register 'baseviewerinit' event listeners.\n    Promise.resolve().then(() => {\n      this.eventBus.dispatch(\"baseviewerinit\", { source: this });\n    });\n  }\n\n  get pagesCount() {\n    return this._pages.length;\n  }\n\n  getPageView(index) {\n    return this._pages[index];\n  }\n\n  /**\n   * @type {boolean} - True if all {PDFPageView} objects are initialized.\n   */\n  get pageViewsReady() {\n    if (!this._pagesCapability.settled) {\n      return false;\n    }\n    // Prevent printing errors when 'disableAutoFetch' is set, by ensuring\n    // that *all* pages have in fact been completely loaded.\n    return this._pages.every(function (pageView) {\n      return pageView && pageView.pdfPage;\n    });\n  }\n\n  /**\n   * @type {number}\n   */\n  get currentPageNumber() {\n    return this._currentPageNumber;\n  }\n\n  /**\n   * @param {number} val - The page number.\n   */\n  set currentPageNumber(val) {\n    if (!Number.isInteger(val)) {\n      throw new Error(\"Invalid page number.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    // The intent can be to just reset a scroll position and/or scale.\n    if (!this._setCurrentPageNumber(val, /* resetCurrentPageView = */ true)) {\n      console.error(\n        `${this._name}.currentPageNumber: \"${val}\" is not a valid page.`\n      );\n    }\n  }\n\n  /**\n   * @returns {boolean} Whether the pageNumber is valid (within bounds).\n   * @private\n   */\n  _setCurrentPageNumber(val, resetCurrentPageView = false) {\n    if (this._currentPageNumber === val) {\n      if (resetCurrentPageView) {\n        this._resetCurrentPageView();\n      }\n      return true;\n    }\n\n    if (!(0 < val && val <= this.pagesCount)) {\n      return false;\n    }\n    this._currentPageNumber = val;\n\n    this.eventBus.dispatch(\"pagechanging\", {\n      source: this,\n      pageNumber: val,\n      pageLabel: this._pageLabels && this._pageLabels[val - 1],\n    });\n\n    if (resetCurrentPageView) {\n      this._resetCurrentPageView();\n    }\n    return true;\n  }\n\n  /**\n   * @type {string|null} Returns the current page label, or `null` if no page\n   *   labels exist.\n   */\n  get currentPageLabel() {\n    return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];\n  }\n\n  /**\n   * @param {string} val - The page label.\n   */\n  set currentPageLabel(val) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    let page = val | 0; // Fallback page number.\n    if (this._pageLabels) {\n      const i = this._pageLabels.indexOf(val);\n      if (i >= 0) {\n        page = i + 1;\n      }\n    }\n    // The intent can be to just reset a scroll position and/or scale.\n    if (!this._setCurrentPageNumber(page, /* resetCurrentPageView = */ true)) {\n      console.error(\n        `${this._name}.currentPageLabel: \"${val}\" is not a valid page.`\n      );\n    }\n  }\n\n  /**\n   * @type {number}\n   */\n  get currentScale() {\n    return this._currentScale !== UNKNOWN_SCALE\n      ? this._currentScale\n      : DEFAULT_SCALE;\n  }\n\n  /**\n   * @param {number} val - Scale of the pages in percents.\n   */\n  set currentScale(val) {\n    if (isNaN(val)) {\n      throw new Error(\"Invalid numeric scale.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    this._setScale(val, false);\n  }\n\n  /**\n   * @type {string}\n   */\n  get currentScaleValue() {\n    return this._currentScaleValue;\n  }\n\n  /**\n   * @param val - The scale of the pages (in percent or predefined value).\n   */\n  set currentScaleValue(val) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    this._setScale(val, false);\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesRotation() {\n    return this._pagesRotation;\n  }\n\n  /**\n   * @param {number} rotation - The rotation of the pages (0, 90, 180, 270).\n   */\n  set pagesRotation(rotation) {\n    if (!isValidRotation(rotation)) {\n      throw new Error(\"Invalid pages rotation angle.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (this._pagesRotation === rotation) {\n      return; // The rotation didn't change.\n    }\n    this._pagesRotation = rotation;\n\n    const pageNumber = this._currentPageNumber;\n\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      const pageView = this._pages[i];\n      pageView.update(pageView.scale, rotation);\n    }\n    // Prevent errors in case the rotation changes *before* the scale has been\n    // set to a non-default value.\n    if (this._currentScaleValue) {\n      this._setScale(this._currentScaleValue, true);\n    }\n\n    this.eventBus.dispatch(\"rotationchanging\", {\n      source: this,\n      pagesRotation: rotation,\n      pageNumber,\n    });\n\n    if (this.defaultRenderingQueue) {\n      this.update();\n    }\n  }\n\n  get firstPagePromise() {\n    return this.pdfDocument ? this._firstPageCapability.promise : null;\n  }\n\n  get onePageRendered() {\n    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;\n  }\n\n  get pagesPromise() {\n    return this.pdfDocument ? this._pagesCapability.promise : null;\n  }\n\n  /**\n   * @private\n   */\n  get _viewerElement() {\n    // In most viewers, e.g. `PDFViewer`, this should return `this.viewer`.\n    throw new Error(\"Not implemented: _viewerElement\");\n  }\n\n  /**\n   * @private\n   */\n  _onePageRenderedOrForceFetch() {\n    // Unless the viewer *and* its pages are visible, rendering won't start and\n    // `this._onePageRenderedCapability` thus won't be resolved.\n    // To ensure that automatic printing, on document load, still works even in\n    // those cases we force-allow fetching of all pages when:\n    //  - The viewer is hidden in the DOM, e.g. in a `display: none` <iframe>\n    //    element; fixes bug 1618621.\n    //  - The viewer is visible, but none of the pages are (e.g. if the\n    //    viewer is very small); fixes bug 1618955.\n    if (\n      !this.container.offsetParent ||\n      this._getVisiblePages().views.length === 0\n    ) {\n      return Promise.resolve();\n    }\n    return this._onePageRenderedCapability.promise;\n  }\n\n  /**\n   * @param pdfDocument {PDFDocument}\n   */\n  setDocument(pdfDocument) {\n    if (this.pdfDocument) {\n      this._cancelRendering();\n      this._resetView();\n\n      if (this.findController) {\n        this.findController.setDocument(null);\n      }\n    }\n\n    this.pdfDocument = pdfDocument;\n    if (!pdfDocument) {\n      return;\n    }\n    const pagesCount = pdfDocument.numPages;\n    const firstPagePromise = pdfDocument.getPage(1);\n\n    const annotationStorage = pdfDocument.annotationStorage;\n    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();\n\n    this._pagesCapability.promise.then(() => {\n      this.eventBus.dispatch(\"pagesloaded\", {\n        source: this,\n        pagesCount,\n      });\n    });\n\n    this._onBeforeDraw = evt => {\n      const pageView = this._pages[evt.pageNumber - 1];\n      if (!pageView) {\n        return;\n      }\n      // Add the page to the buffer at the start of drawing. That way it can be\n      // evicted from the buffer and destroyed even if we pause its rendering.\n      this._buffer.push(pageView);\n    };\n    this.eventBus._on(\"pagerender\", this._onBeforeDraw);\n\n    this._onAfterDraw = evt => {\n      if (evt.cssTransform || this._onePageRenderedCapability.settled) {\n        return;\n      }\n      this._onePageRenderedCapability.resolve();\n\n      this.eventBus._off(\"pagerendered\", this._onAfterDraw);\n      this._onAfterDraw = null;\n    };\n    this.eventBus._on(\"pagerendered\", this._onAfterDraw);\n\n    // Fetch a single page so we can get a viewport that will be the default\n    // viewport for all pages\n    firstPagePromise\n      .then(firstPdfPage => {\n        this._firstPageCapability.resolve(firstPdfPage);\n        this._optionalContentConfigPromise = optionalContentConfigPromise;\n\n        const scale = this.currentScale;\n        const viewport = firstPdfPage.getViewport({ scale: scale * CSS_UNITS });\n        const textLayerFactory =\n          this.textLayerMode !== TextLayerMode.DISABLE ? this : null;\n\n        for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {\n          const pageView = new PDFPageView({\n            container: this._viewerElement,\n            eventBus: this.eventBus,\n            id: pageNum,\n            scale,\n            defaultViewport: viewport.clone(),\n            annotationStorage,\n            optionalContentConfigPromise,\n            renderingQueue: this.renderingQueue,\n            textLayerFactory,\n            textLayerMode: this.textLayerMode,\n            annotationLayerFactory: this,\n            imageResourcesPath: this.imageResourcesPath,\n            renderInteractiveForms: this.renderInteractiveForms,\n            renderer: this.renderer,\n            enableWebGL: this.enableWebGL,\n            useOnlyCssZoom: this.useOnlyCssZoom,\n            maxCanvasPixels: this.maxCanvasPixels,\n            l10n: this.l10n,\n          });\n          this._pages.push(pageView);\n        }\n        // Set the first `pdfPage` immediately, since it's already loaded,\n        // rather than having to repeat the `PDFDocumentProxy.getPage` call in\n        // the `this._ensurePdfPageLoaded` method before rendering can start.\n        const firstPageView = this._pages[0];\n        if (firstPageView) {\n          firstPageView.setPdfPage(firstPdfPage);\n          this.linkService.cachePageRef(1, firstPdfPage.ref);\n        }\n        if (this._spreadMode !== SpreadMode.NONE) {\n          this._updateSpreadMode();\n        }\n\n        // Fetch all the pages since the viewport is needed before printing\n        // starts to create the correct size canvas. Wait until one page is\n        // rendered so we don't tie up too many resources early on.\n        this._onePageRenderedOrForceFetch().then(() => {\n          if (this.findController) {\n            this.findController.setDocument(pdfDocument); // Enable searching.\n          }\n\n          // In addition to 'disableAutoFetch' being set, also attempt to reduce\n          // resource usage when loading *very* long/large documents.\n          if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {\n            // XXX: Printing is semi-broken with auto fetch disabled.\n            this._pagesCapability.resolve();\n            return;\n          }\n          let getPagesLeft = pagesCount - 1; // The first page was already loaded.\n\n          if (getPagesLeft <= 0) {\n            this._pagesCapability.resolve();\n            return;\n          }\n          for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {\n            pdfDocument.getPage(pageNum).then(\n              pdfPage => {\n                const pageView = this._pages[pageNum - 1];\n                if (!pageView.pdfPage) {\n                  pageView.setPdfPage(pdfPage);\n                }\n                this.linkService.cachePageRef(pageNum, pdfPage.ref);\n                if (--getPagesLeft === 0) {\n                  this._pagesCapability.resolve();\n                }\n              },\n              reason => {\n                console.error(\n                  `Unable to get page ${pageNum} to initialize viewer`,\n                  reason\n                );\n                if (--getPagesLeft === 0) {\n                  this._pagesCapability.resolve();\n                }\n              }\n            );\n          }\n        });\n\n        this.eventBus.dispatch(\"pagesinit\", { source: this });\n\n        if (this.defaultRenderingQueue) {\n          this.update();\n        }\n      })\n      .catch(reason => {\n        console.error(\"Unable to initialize viewer\", reason);\n      });\n  }\n\n  /**\n   * @param {Array|null} labels\n   */\n  setPageLabels(labels) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (!labels) {\n      this._pageLabels = null;\n    } else if (\n      !(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)\n    ) {\n      this._pageLabels = null;\n      console.error(`${this._name}.setPageLabels: Invalid page labels.`);\n    } else {\n      this._pageLabels = labels;\n    }\n    // Update all the `PDFPageView` instances.\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      const pageView = this._pages[i];\n      const label = this._pageLabels && this._pageLabels[i];\n      pageView.setPageLabel(label);\n    }\n  }\n\n  _resetView() {\n    this._pages = [];\n    this._currentPageNumber = 1;\n    this._currentScale = UNKNOWN_SCALE;\n    this._currentScaleValue = null;\n    this._pageLabels = null;\n    this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);\n    this._location = null;\n    this._pagesRotation = 0;\n    this._optionalContentConfigPromise = null;\n    this._pagesRequests = new WeakMap();\n    this._firstPageCapability = createPromiseCapability();\n    this._onePageRenderedCapability = createPromiseCapability();\n    this._pagesCapability = createPromiseCapability();\n    this._scrollMode = ScrollMode.VERTICAL;\n    this._spreadMode = SpreadMode.NONE;\n\n    if (this._onBeforeDraw) {\n      this.eventBus._off(\"pagerender\", this._onBeforeDraw);\n      this._onBeforeDraw = null;\n    }\n    if (this._onAfterDraw) {\n      this.eventBus._off(\"pagerendered\", this._onAfterDraw);\n      this._onAfterDraw = null;\n    }\n    // Remove the pages from the DOM...\n    this.viewer.textContent = \"\";\n    // ... and reset the Scroll mode CSS class(es) afterwards.\n    this._updateScrollMode();\n  }\n\n  _scrollUpdate() {\n    if (this.pagesCount === 0) {\n      return;\n    }\n    this.update();\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    scrollIntoView(pageDiv, pageSpot);\n  }\n\n  _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {\n    this._currentScaleValue = newValue.toString();\n\n    if (isSameScale(this._currentScale, newScale)) {\n      if (preset) {\n        this.eventBus.dispatch(\"scalechanging\", {\n          source: this,\n          scale: newScale,\n          presetValue: newValue,\n        });\n      }\n      return;\n    }\n\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      this._pages[i].update(newScale);\n    }\n    this._currentScale = newScale;\n\n    if (!noScroll) {\n      let page = this._currentPageNumber,\n        dest;\n      if (\n        this._location &&\n        !(this.isInPresentationMode || this.isChangingPresentationMode)\n      ) {\n        page = this._location.pageNumber;\n        dest = [\n          null,\n          { name: \"XYZ\" },\n          this._location.left,\n          this._location.top,\n          null,\n        ];\n      }\n      this.scrollPageIntoView({\n        pageNumber: page,\n        destArray: dest,\n        allowNegativeOffset: true,\n      });\n    }\n\n    this.eventBus.dispatch(\"scalechanging\", {\n      source: this,\n      scale: newScale,\n      presetValue: preset ? newValue : undefined,\n    });\n\n    if (this.defaultRenderingQueue) {\n      this.update();\n    }\n  }\n\n  _setScale(value, noScroll = false) {\n    let scale = parseFloat(value);\n\n    if (scale > 0) {\n      this._setScaleUpdatePages(scale, value, noScroll, /* preset = */ false);\n    } else {\n      const currentPage = this._pages[this._currentPageNumber - 1];\n      if (!currentPage) {\n        return;\n      }\n      const noPadding = this.isInPresentationMode || this.removePageBorders;\n      let hPadding = noPadding ? 0 : SCROLLBAR_PADDING;\n      let vPadding = noPadding ? 0 : VERTICAL_PADDING;\n\n      if (!noPadding && this._isScrollModeHorizontal) {\n        [hPadding, vPadding] = [vPadding, hPadding]; // Swap the padding values.\n      }\n      const pageWidthScale =\n        ((this.container.clientWidth - hPadding) / currentPage.width) *\n        currentPage.scale;\n      const pageHeightScale =\n        ((this.container.clientHeight - vPadding) / currentPage.height) *\n        currentPage.scale;\n      switch (value) {\n        case \"page-actual\":\n          scale = 1;\n          break;\n        case \"page-width\":\n          scale = pageWidthScale;\n          break;\n        case \"page-height\":\n          scale = pageHeightScale;\n          break;\n        case \"page-fit\":\n          scale = Math.min(pageWidthScale, pageHeightScale);\n          break;\n        case \"auto\":\n          // For pages in landscape mode, fit the page height to the viewer\n          // *unless* the page would thus become too wide to fit horizontally.\n          const horizontalScale = isPortraitOrientation(currentPage)\n            ? pageWidthScale\n            : Math.min(pageHeightScale, pageWidthScale);\n          scale = Math.min(MAX_AUTO_SCALE, horizontalScale);\n          break;\n        default:\n          console.error(\n            `${this._name}._setScale: \"${value}\" is an unknown zoom value.`\n          );\n          return;\n      }\n      this._setScaleUpdatePages(scale, value, noScroll, /* preset = */ true);\n    }\n  }\n\n  /**\n   * Refreshes page view: scrolls to the current page and updates the scale.\n   * @private\n   */\n  _resetCurrentPageView() {\n    if (this.isInPresentationMode) {\n      // Fixes the case when PDF has different page sizes.\n      this._setScale(this._currentScaleValue, true);\n    }\n\n    const pageView = this._pages[this._currentPageNumber - 1];\n    this._scrollIntoView({ pageDiv: pageView.div });\n  }\n\n  /**\n   * @typedef ScrollPageIntoViewParameters\n   * @property {number} pageNumber - The page number.\n   * @property {Array} [destArray] - The original PDF destination array, in the\n   *   format: <page-ref> </XYZ|/FitXXX> <args..>\n   * @property {boolean} [allowNegativeOffset] - Allow negative page offsets.\n   *   The default value is `false`.\n   * @property {boolean} [ignoreDestinationZoom] - Ignore the zoom argument in\n   *   the destination array. The default value is `false`.\n   */\n\n  /**\n   * Scrolls page into view.\n   * @param {ScrollPageIntoViewParameters} params\n   */\n  scrollPageIntoView({\n    pageNumber,\n    destArray = null,\n    allowNegativeOffset = false,\n    ignoreDestinationZoom = false,\n  }) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    const pageView =\n      Number.isInteger(pageNumber) && this._pages[pageNumber - 1];\n    if (!pageView) {\n      console.error(\n        `${this._name}.scrollPageIntoView: ` +\n          `\"${pageNumber}\" is not a valid pageNumber parameter.`\n      );\n      return;\n    }\n\n    if (this.isInPresentationMode || !destArray) {\n      this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n      return;\n    }\n    let x = 0,\n      y = 0;\n    let width = 0,\n      height = 0,\n      widthScale,\n      heightScale;\n    const changeOrientation = pageView.rotation % 180 !== 0;\n    const pageWidth =\n      (changeOrientation ? pageView.height : pageView.width) /\n      pageView.scale /\n      CSS_UNITS;\n    const pageHeight =\n      (changeOrientation ? pageView.width : pageView.height) /\n      pageView.scale /\n      CSS_UNITS;\n    let scale = 0;\n    switch (destArray[1].name) {\n      case \"XYZ\":\n        x = destArray[2];\n        y = destArray[3];\n        scale = destArray[4];\n        // If x and/or y coordinates are not supplied, default to\n        // _top_ left of the page (not the obvious bottom left,\n        // since aligning the bottom of the intended page with the\n        // top of the window is rarely helpful).\n        x = x !== null ? x : 0;\n        y = y !== null ? y : pageHeight;\n        break;\n      case \"Fit\":\n      case \"FitB\":\n        scale = \"page-fit\";\n        break;\n      case \"FitH\":\n      case \"FitBH\":\n        y = destArray[2];\n        scale = \"page-width\";\n        // According to the PDF spec, section 12.3.2.2, a `null` value in the\n        // parameter should maintain the position relative to the new page.\n        if (y === null && this._location) {\n          x = this._location.left;\n          y = this._location.top;\n        }\n        break;\n      case \"FitV\":\n      case \"FitBV\":\n        x = destArray[2];\n        width = pageWidth;\n        height = pageHeight;\n        scale = \"page-height\";\n        break;\n      case \"FitR\":\n        x = destArray[2];\n        y = destArray[3];\n        width = destArray[4] - x;\n        height = destArray[5] - y;\n        const hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;\n        const vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;\n\n        widthScale =\n          (this.container.clientWidth - hPadding) / width / CSS_UNITS;\n        heightScale =\n          (this.container.clientHeight - vPadding) / height / CSS_UNITS;\n        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));\n        break;\n      default:\n        console.error(\n          `${this._name}.scrollPageIntoView: ` +\n            `\"${destArray[1].name}\" is not a valid destination type.`\n        );\n        return;\n    }\n\n    if (!ignoreDestinationZoom) {\n      if (scale && scale !== this._currentScale) {\n        this.currentScaleValue = scale;\n      } else if (this._currentScale === UNKNOWN_SCALE) {\n        this.currentScaleValue = DEFAULT_SCALE_VALUE;\n      }\n    }\n\n    if (scale === \"page-fit\" && !destArray[4]) {\n      this._scrollIntoView({\n        pageDiv: pageView.div,\n        pageNumber,\n      });\n      return;\n    }\n\n    const boundingRect = [\n      pageView.viewport.convertToViewportPoint(x, y),\n      pageView.viewport.convertToViewportPoint(x + width, y + height),\n    ];\n    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);\n    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);\n\n    if (!allowNegativeOffset) {\n      // Some bad PDF generators will create destinations with e.g. top values\n      // that exceeds the page height. Ensure that offsets are not negative,\n      // to prevent a previous page from becoming visible (fixes bug 874482).\n      left = Math.max(left, 0);\n      top = Math.max(top, 0);\n    }\n    this._scrollIntoView({\n      pageDiv: pageView.div,\n      pageSpot: { left, top },\n      pageNumber,\n    });\n  }\n\n  _updateLocation(firstPage) {\n    const currentScale = this._currentScale;\n    const currentScaleValue = this._currentScaleValue;\n    const normalizedScaleValue =\n      parseFloat(currentScaleValue) === currentScale\n        ? Math.round(currentScale * 10000) / 100\n        : currentScaleValue;\n\n    const pageNumber = firstPage.id;\n    let pdfOpenParams = \"#page=\" + pageNumber;\n    pdfOpenParams += \"&zoom=\" + normalizedScaleValue;\n    const currentPageView = this._pages[pageNumber - 1];\n    const container = this.container;\n    const topLeft = currentPageView.getPagePoint(\n      container.scrollLeft - firstPage.x,\n      container.scrollTop - firstPage.y\n    );\n    const intLeft = Math.round(topLeft[0]);\n    const intTop = Math.round(topLeft[1]);\n    pdfOpenParams += \",\" + intLeft + \",\" + intTop;\n\n    this._location = {\n      pageNumber,\n      scale: normalizedScaleValue,\n      top: intTop,\n      left: intLeft,\n      rotation: this._pagesRotation,\n      pdfOpenParams,\n    };\n  }\n\n  _updateHelper(visiblePages) {\n    throw new Error(\"Not implemented: _updateHelper\");\n  }\n\n  update() {\n    const visible = this._getVisiblePages();\n    const visiblePages = visible.views,\n      numVisiblePages = visiblePages.length;\n\n    if (numVisiblePages === 0) {\n      return;\n    }\n    const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);\n    this._buffer.resize(newCacheSize, visiblePages);\n\n    this.renderingQueue.renderHighestPriority(visible);\n\n    this._updateHelper(visiblePages); // Run any class-specific update code.\n\n    this._updateLocation(visible.first);\n    this.eventBus.dispatch(\"updateviewarea\", {\n      source: this,\n      location: this._location,\n    });\n  }\n\n  containsElement(element) {\n    return this.container.contains(element);\n  }\n\n  focus() {\n    this.container.focus();\n  }\n\n  get _isScrollModeHorizontal() {\n    // Used to ensure that pre-rendering of the next/previous page works\n    // correctly, since Scroll/Spread modes are ignored in Presentation Mode.\n    return this.isInPresentationMode\n      ? false\n      : this._scrollMode === ScrollMode.HORIZONTAL;\n  }\n\n  get isInPresentationMode() {\n    return this.presentationModeState === PresentationModeState.FULLSCREEN;\n  }\n\n  get isChangingPresentationMode() {\n    return this.presentationModeState === PresentationModeState.CHANGING;\n  }\n\n  get isHorizontalScrollbarEnabled() {\n    return this.isInPresentationMode\n      ? false\n      : this.container.scrollWidth > this.container.clientWidth;\n  }\n\n  get isVerticalScrollbarEnabled() {\n    return this.isInPresentationMode\n      ? false\n      : this.container.scrollHeight > this.container.clientHeight;\n  }\n\n  /**\n   * Helper method for `this._getVisiblePages`. Should only ever be used when\n   * the viewer can only display a single page at a time, for example in:\n   *  - `PDFSinglePageViewer`.\n   *  - `PDFViewer` with Presentation Mode active.\n   */\n  _getCurrentVisiblePage() {\n    if (!this.pagesCount) {\n      return { views: [] };\n    }\n    const pageView = this._pages[this._currentPageNumber - 1];\n    // NOTE: Compute the `x` and `y` properties of the current view,\n    // since `this._updateLocation` depends of them being available.\n    const element = pageView.div;\n\n    const view = {\n      id: pageView.id,\n      x: element.offsetLeft + element.clientLeft,\n      y: element.offsetTop + element.clientTop,\n      view: pageView,\n    };\n    return { first: view, last: view, views: [view] };\n  }\n\n  _getVisiblePages() {\n    return getVisibleElements(\n      this.container,\n      this._pages,\n      true,\n      this._isScrollModeHorizontal\n    );\n  }\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    if (!this.pdfDocument) {\n      return false;\n    }\n    if (pageNumber < 1 || pageNumber > this.pagesCount) {\n      console.error(\n        `${this._name}.isPageVisible: \"${pageNumber}\" is out of bounds.`\n      );\n      return false;\n    }\n    return this._getVisiblePages().views.some(function (view) {\n      return view.id === pageNumber;\n    });\n  }\n\n  cleanup() {\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      if (\n        this._pages[i] &&\n        this._pages[i].renderingState !== RenderingStates.FINISHED\n      ) {\n        this._pages[i].reset();\n      }\n    }\n  }\n\n  /**\n   * @private\n   */\n  _cancelRendering() {\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      if (this._pages[i]) {\n        this._pages[i].cancelRendering();\n      }\n    }\n  }\n\n  /**\n   * @param {PDFPageView} pageView\n   * @returns {Promise} Returns a promise containing a {PDFPageProxy} object.\n   * @private\n   */\n  _ensurePdfPageLoaded(pageView) {\n    if (pageView.pdfPage) {\n      return Promise.resolve(pageView.pdfPage);\n    }\n    if (this._pagesRequests.has(pageView)) {\n      return this._pagesRequests.get(pageView);\n    }\n    const promise = this.pdfDocument\n      .getPage(pageView.id)\n      .then(pdfPage => {\n        if (!pageView.pdfPage) {\n          pageView.setPdfPage(pdfPage);\n        }\n        this._pagesRequests.delete(pageView);\n        return pdfPage;\n      })\n      .catch(reason => {\n        console.error(\"Unable to get page for page view\", reason);\n        // Page error -- there is nothing that can be done.\n        this._pagesRequests.delete(pageView);\n      });\n    this._pagesRequests.set(pageView, promise);\n    return promise;\n  }\n\n  forceRendering(currentlyVisiblePages) {\n    const visiblePages = currentlyVisiblePages || this._getVisiblePages();\n    const scrollAhead = this._isScrollModeHorizontal\n      ? this.scroll.right\n      : this.scroll.down;\n    const pageView = this.renderingQueue.getHighestPriority(\n      visiblePages,\n      this._pages,\n      scrollAhead\n    );\n    if (pageView) {\n      this._ensurePdfPageLoaded(pageView).then(() => {\n        this.renderingQueue.renderView(pageView);\n      });\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * @param {HTMLDivElement} textLayerDiv\n   * @param {number} pageIndex\n   * @param {PageViewport} viewport\n   * @param {boolean} enhanceTextSelection\n   * @param {EventBus} eventBus\n   * @returns {TextLayerBuilder}\n   */\n  createTextLayerBuilder(\n    textLayerDiv,\n    pageIndex,\n    viewport,\n    enhanceTextSelection = false,\n    eventBus\n  ) {\n    return new TextLayerBuilder({\n      textLayerDiv,\n      eventBus,\n      pageIndex,\n      viewport,\n      findController: this.isInPresentationMode ? null : this.findController,\n      enhanceTextSelection: this.isInPresentationMode\n        ? false\n        : enhanceTextSelection,\n    });\n  }\n\n  /**\n   * @param {HTMLDivElement} pageDiv\n   * @param {PDFPage} pdfPage\n   * @param {string} [imageResourcesPath] - Path for image resources, mainly\n   *   for annotation icons. Include trailing slash.\n   * @param {boolean} renderInteractiveForms\n   * @param {IL10n} l10n\n   * @returns {AnnotationLayerBuilder}\n   */\n  createAnnotationLayerBuilder(\n    pageDiv,\n    pdfPage,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = false,\n    l10n = NullL10n\n  ) {\n    return new AnnotationLayerBuilder({\n      pageDiv,\n      pdfPage,\n      annotationStorage,\n      imageResourcesPath,\n      renderInteractiveForms,\n      linkService: this.linkService,\n      downloadManager: this.downloadManager,\n      l10n,\n    });\n  }\n\n  /**\n   * @type {boolean} Whether all pages of the PDF document have identical\n   *   widths and heights.\n   */\n  get hasEqualPageSizes() {\n    const firstPageView = this._pages[0];\n    for (let i = 1, ii = this._pages.length; i < ii; ++i) {\n      const pageView = this._pages[i];\n      if (\n        pageView.width !== firstPageView.width ||\n        pageView.height !== firstPageView.height\n      ) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * Returns sizes of the pages.\n   * @returns {Array} Array of objects with width/height/rotation fields.\n   */\n  getPagesOverview() {\n    const pagesOverview = this._pages.map(function (pageView) {\n      const viewport = pageView.pdfPage.getViewport({ scale: 1 });\n      return {\n        width: viewport.width,\n        height: viewport.height,\n        rotation: viewport.rotation,\n      };\n    });\n    if (!this.enablePrintAutoRotate) {\n      return pagesOverview;\n    }\n    return pagesOverview.map(function (size) {\n      if (isPortraitOrientation(size)) {\n        return size;\n      }\n      return {\n        width: size.height,\n        height: size.width,\n        rotation: (size.rotation + 90) % 360,\n      };\n    });\n  }\n\n  /**\n   * @type {Promise<OptionalContentConfig | null>}\n   */\n  get optionalContentConfigPromise() {\n    if (!this.pdfDocument) {\n      return Promise.resolve(null);\n    }\n    if (!this._optionalContentConfigPromise) {\n      // Prevent issues if the getter is accessed *before* the `onePageRendered`\n      // promise has resolved; won't (normally) happen in the default viewer.\n      return this.pdfDocument.getOptionalContentConfig();\n    }\n    return this._optionalContentConfigPromise;\n  }\n\n  /**\n   * @param {Promise<OptionalContentConfig>} promise - A promise that is\n   *   resolved with an {@link OptionalContentConfig} instance.\n   */\n  set optionalContentConfigPromise(promise) {\n    if (!(promise instanceof Promise)) {\n      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (!this._optionalContentConfigPromise) {\n      // Ignore the setter *before* the `onePageRendered` promise has resolved,\n      // since it'll be overwritten anyway; won't happen in the default viewer.\n      return;\n    }\n    this._optionalContentConfigPromise = promise;\n\n    for (const pageView of this._pages) {\n      pageView.update(pageView.scale, pageView.rotation, promise);\n    }\n    this.update();\n\n    this.eventBus.dispatch(\"optionalcontentconfigchanged\", {\n      source: this,\n      promise,\n    });\n  }\n\n  /**\n   * @type {number} One of the values in {ScrollMode}.\n   */\n  get scrollMode() {\n    return this._scrollMode;\n  }\n\n  /**\n   * @param {number} mode - The direction in which the document pages should be\n   *   laid out within the scrolling container.\n   *   The constants from {ScrollMode} should be used.\n   */\n  set scrollMode(mode) {\n    if (this._scrollMode === mode) {\n      return; // The Scroll mode didn't change.\n    }\n    if (!isValidScrollMode(mode)) {\n      throw new Error(`Invalid scroll mode: ${mode}`);\n    }\n    this._scrollMode = mode;\n    this.eventBus.dispatch(\"scrollmodechanged\", { source: this, mode });\n\n    this._updateScrollMode(/* pageNumber = */ this._currentPageNumber);\n  }\n\n  _updateScrollMode(pageNumber = null) {\n    const scrollMode = this._scrollMode,\n      viewer = this.viewer;\n\n    viewer.classList.toggle(\n      \"scrollHorizontal\",\n      scrollMode === ScrollMode.HORIZONTAL\n    );\n    viewer.classList.toggle(\"scrollWrapped\", scrollMode === ScrollMode.WRAPPED);\n\n    if (!this.pdfDocument || !pageNumber) {\n      return;\n    }\n    // Non-numeric scale values can be sensitive to the scroll orientation.\n    // Call this before re-scrolling to the current page, to ensure that any\n    // changes in scale don't move the current page.\n    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {\n      this._setScale(this._currentScaleValue, true);\n    }\n    this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n    this.update();\n  }\n\n  /**\n   * @type {number} One of the values in {SpreadMode}.\n   */\n  get spreadMode() {\n    return this._spreadMode;\n  }\n\n  /**\n   * @param {number} mode - Group the pages in spreads, starting with odd- or\n   *   even-number pages (unless `SpreadMode.NONE` is used).\n   *   The constants from {SpreadMode} should be used.\n   */\n  set spreadMode(mode) {\n    if (this._spreadMode === mode) {\n      return; // The Spread mode didn't change.\n    }\n    if (!isValidSpreadMode(mode)) {\n      throw new Error(`Invalid spread mode: ${mode}`);\n    }\n    this._spreadMode = mode;\n    this.eventBus.dispatch(\"spreadmodechanged\", { source: this, mode });\n\n    this._updateSpreadMode(/* pageNumber = */ this._currentPageNumber);\n  }\n\n  _updateSpreadMode(pageNumber = null) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    const viewer = this.viewer,\n      pages = this._pages;\n    // Temporarily remove all the pages from the DOM.\n    viewer.textContent = \"\";\n\n    if (this._spreadMode === SpreadMode.NONE) {\n      for (let i = 0, iMax = pages.length; i < iMax; ++i) {\n        viewer.appendChild(pages[i].div);\n      }\n    } else {\n      const parity = this._spreadMode - 1;\n      let spread = null;\n      for (let i = 0, iMax = pages.length; i < iMax; ++i) {\n        if (spread === null) {\n          spread = document.createElement(\"div\");\n          spread.className = \"spread\";\n          viewer.appendChild(spread);\n        } else if (i % 2 === parity) {\n          spread = spread.cloneNode(false);\n          viewer.appendChild(spread);\n        }\n        spread.appendChild(pages[i].div);\n      }\n    }\n\n    if (!pageNumber) {\n      return;\n    }\n    this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n    this.update();\n  }\n}\n\nexport { BaseViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseViewer } from \"./base_viewer.js\";\nimport { shadow } from \"pdfjs-lib\";\n\nclass PDFViewer extends BaseViewer {\n  get _viewerElement() {\n    return shadow(this, \"_viewerElement\", this.viewer);\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    if (!pageSpot && !this.isInPresentationMode) {\n      const left = pageDiv.offsetLeft + pageDiv.clientLeft;\n      const right = left + pageDiv.clientWidth;\n      const { scrollLeft, clientWidth } = this.container;\n      if (\n        this._isScrollModeHorizontal ||\n        left < scrollLeft ||\n        right > scrollLeft + clientWidth\n      ) {\n        pageSpot = { left: 0, top: 0 };\n      }\n    }\n    super._scrollIntoView({ pageDiv, pageSpot, pageNumber });\n  }\n\n  _getVisiblePages() {\n    if (this.isInPresentationMode) {\n      // The algorithm in `getVisibleElements` doesn't work in all browsers and\n      // configurations (e.g. Chrome) when Presentation Mode is active.\n      return this._getCurrentVisiblePage();\n    }\n    return super._getVisiblePages();\n  }\n\n  _updateHelper(visiblePages) {\n    if (this.isInPresentationMode) {\n      return;\n    }\n    let currentId = this._currentPageNumber;\n    let stillFullyVisible = false;\n\n    for (const page of visiblePages) {\n      if (page.percent < 100) {\n        break;\n      }\n      if (page.id === currentId) {\n        stillFullyVisible = true;\n        break;\n      }\n    }\n    if (!stillFullyVisible) {\n      currentId = visiblePages[0].id;\n    }\n    this._setCurrentPageNumber(currentId);\n  }\n}\n\nexport { PDFViewer };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js
new file mode 100644
index 00000000..18639271
--- /dev/null
+++ b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js
@@ -0,0 +1,8016 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory();
+	else
+		root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "getVerbosityLevel", {
+  enumerable: true,
+  get: function () {
+    return _util.getVerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "setVerbosityLevel", {
+  enumerable: true,
+  get: function () {
+    return _util.setVerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "Jbig2mage", {
+  enumerable: true,
+  get: function () {
+    return _jbig.Jbig2mage;
+  }
+});
+Object.defineProperty(exports, "JpegImage", {
+  enumerable: true,
+  get: function () {
+    return _jpg.JpegImage;
+  }
+});
+Object.defineProperty(exports, "JpxImage", {
+  enumerable: true,
+  get: function () {
+    return _jpx.JpxImage;
+  }
+});
+
+var _util = __w_pdfjs_require__(1);
+
+var _jbig = __w_pdfjs_require__(4);
+
+var _jpg = __w_pdfjs_require__(8);
+
+var _jpx = __w_pdfjs_require__(9);
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+__w_pdfjs_require__(2);
+
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+const AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+let verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log(`Info: ${msg}`);
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log(`Warning: ${msg}`);
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  let base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  const other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+const BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+  constructor(msg, code) {
+    super(msg);
+    this.code = code;
+  }
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+  constructor(msg, details) {
+    super(msg);
+    this.details = details;
+  }
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+  constructor(msg, status) {
+    super(msg);
+    this.status = status;
+  }
+
+}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {}
+
+exports.AbortException = AbortException;
+const NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  const length = bytes.length;
+  const MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  const strBuf = [];
+
+  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    const chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  const length = str.length;
+  const bytes = new Uint8Array(length);
+
+  for (let i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  const length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  let resultLength = 0;
+
+  for (let i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  let pos = 0;
+  const data = new Uint8Array(resultLength);
+
+  for (let i = 0; i < length; i++) {
+    let item = arr[i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    const itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  const buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  const view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+const IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+const IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+class Util {
+  static makeCssRgb(r, g, b) {
+    rgbBuf[1] = r;
+    rgbBuf[3] = g;
+    rgbBuf[5] = b;
+    return rgbBuf.join("");
+  }
+
+  static transform(m1, m2) {
+    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+  }
+
+  static applyTransform(p, m) {
+    const xt = p[0] * m[0] + p[1] * m[2] + m[4];
+    const yt = p[0] * m[1] + p[1] * m[3] + m[5];
+    return [xt, yt];
+  }
+
+  static applyInverseTransform(p, m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+    return [xt, yt];
+  }
+
+  static getAxialAlignedBoundingBox(r, m) {
+    const p1 = Util.applyTransform(r, m);
+    const p2 = Util.applyTransform(r.slice(2, 4), m);
+    const p3 = Util.applyTransform([r[0], r[3]], m);
+    const p4 = Util.applyTransform([r[2], r[1]], m);
+    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+  }
+
+  static inverseTransform(m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+  }
+
+  static apply3dTransform(m, v) {
+    return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+  }
+
+  static singularValueDecompose2dScale(m) {
+    const transpose = [m[0], m[2], m[1], m[3]];
+    const a = m[0] * transpose[0] + m[1] * transpose[2];
+    const b = m[0] * transpose[1] + m[1] * transpose[3];
+    const c = m[2] * transpose[0] + m[3] * transpose[2];
+    const d = m[2] * transpose[1] + m[3] * transpose[3];
+    const first = (a + d) / 2;
+    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+    const sx = first + second || 1;
+    const sy = first - second || 1;
+    return [Math.sqrt(sx), Math.sqrt(sy)];
+  }
+
+  static normalizeRect(rect) {
+    const r = rect.slice(0);
+
+    if (rect[0] > rect[2]) {
+      r[0] = rect[2];
+      r[2] = rect[0];
+    }
+
+    if (rect[1] > rect[3]) {
+      r[1] = rect[3];
+      r[3] = rect[1];
+    }
+
+    return r;
+  }
+
+  static intersect(rect1, rect2) {
+    function compare(a, b) {
+      return a - b;
+    }
+
+    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+    const result = [];
+    rect1 = Util.normalizeRect(rect1);
+    rect2 = Util.normalizeRect(rect2);
+
+    if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+      result[0] = orderedX[1];
+      result[2] = orderedX[2];
+    } else {
+      return null;
+    }
+
+    if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+      result[1] = orderedY[1];
+      result[3] = orderedY[2];
+    } else {
+      return null;
+    }
+
+    return result;
+  }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  const length = str.length,
+        strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
+    }
+  } else {
+    for (let i = 0; i < length; ++i) {
+      const code = PDFStringTranslateTable[str.charCodeAt(i)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate(date = new Date(Date.now())) {
+  const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  const capability = Object.create(null);
+  let isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get() {
+      return isSettled;
+    }
+
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+const createObjectURL = function createObjectURLClosure() {
+  const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType, forceDataSchema = false) {
+    if (!forceDataSchema && URL.createObjectURL) {
+      const blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    let buffer = `data:${contentType};base64,`;
+
+    for (let i = 0, ii = data.length; i < ii; i += 3) {
+      const b1 = data[i] & 0xff;
+      const b2 = data[i + 1] & 0xff;
+      const b3 = data[i + 2] & 0xff;
+      const d1 = b1 >> 2,
+            d2 = (b1 & 3) << 4 | b2 >> 4;
+      const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var _is_node = __w_pdfjs_require__(3);
+
+;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Image = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(5);
+
+var _arithmetic_decoder = __w_pdfjs_require__(6);
+
+var _ccitt = __w_pdfjs_require__(7);
+
+class Jbig2Error extends _util.BaseException {
+  constructor(msg) {
+    super(`JBIG2 error: ${msg}`);
+  }
+
+}
+
+var Jbig2Image = function Jbig2ImageClosure() {
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts(id) {
+      if (id in this) {
+        return this[id];
+      }
+
+      return this[id] = new Int8Array(1 << 16);
+    }
+
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
+      return (0, _util.shadow)(this, "decoder", decoder);
+    },
+
+    get contextCache() {
+      var cache = new ContextCache();
+      return (0, _util.shadow)(this, "contextCache", cache);
+    }
+
+  };
+
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+    var prev = 1;
+
+    function readBits(length) {
+      var v = 0;
+
+      for (var i = 0; i < length; i++) {
+        var bit = decoder.readBit(contexts, prev);
+        prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
+        v = v << 1 | bit;
+      }
+
+      return v >>> 0;
+    }
+
+    var sign = readBits(1);
+    var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
+
+    if (sign === 0) {
+      return value;
+    } else if (value > 0) {
+      return -value;
+    }
+
+    return null;
+  }
+
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts("IAID");
+    var prev = 1;
+
+    for (var i = 0; i < codeLength; i++) {
+      var bit = decoder.readBit(contexts, prev);
+      prev = prev << 1 | bit;
+    }
+
+    if (codeLength < 31) {
+      return prev & (1 << codeLength) - 1;
+    }
+
+    return prev & 0x7fffffff;
+  }
+
+  var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+  var CodingTemplates = [[{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: 2,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -3,
+    y: -1
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }]];
+  var RefinementTemplates = [{
+    coding: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: -1,
+      y: 1
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }, {
+    coding: [{
+      x: -1,
+      y: -1
+    }, {
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }];
+  var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
+  var RefinementReusedContexts = [0x0020, 0x0008];
+
+  function decodeBitmapTemplate0(width, height, decodingContext) {
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var contextLabel,
+        i,
+        j,
+        pixel,
+        row,
+        row1,
+        row2,
+        bitmap = [];
+    var OLD_PIXEL_MASK = 0x7bf7;
+
+    for (i = 0; i < height; i++) {
+      row = bitmap[i] = new Uint8Array(width);
+      row1 = i < 1 ? row : bitmap[i - 1];
+      row2 = i < 2 ? row : bitmap[i - 2];
+      contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
+
+      for (j = 0; j < width; j++) {
+        row[j] = pixel = decoder.readBit(contexts, contextLabel);
+        contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
+    if (mmr) {
+      const input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+      return decodeMMRBitmap(input, width, height, false);
+    }
+
+    if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
+      return decodeBitmapTemplate0(width, height, decodingContext);
+    }
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    template.sort(function (a, b) {
+      return a.y - b.y || a.x - b.x;
+    });
+    var templateLength = template.length;
+    var templateX = new Int8Array(templateLength);
+    var templateY = new Int8Array(templateLength);
+    var changingTemplateEntries = [];
+    var reuseMask = 0,
+        minX = 0,
+        maxX = 0,
+        minY = 0;
+    var c, k;
+
+    for (k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+      minX = Math.min(minX, template[k].x);
+      maxX = Math.max(maxX, template[k].x);
+      minY = Math.min(minY, template[k].y);
+
+      if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
+        reuseMask |= 1 << templateLength - 1 - k;
+      } else {
+        changingTemplateEntries.push(k);
+      }
+    }
+
+    var changingEntriesLength = changingTemplateEntries.length;
+    var changingTemplateX = new Int8Array(changingEntriesLength);
+    var changingTemplateY = new Int8Array(changingEntriesLength);
+    var changingTemplateBit = new Uint16Array(changingEntriesLength);
+
+    for (c = 0; c < changingEntriesLength; c++) {
+      k = changingTemplateEntries[c];
+      changingTemplateX[c] = template[k].x;
+      changingTemplateY[c] = template[k].y;
+      changingTemplateBit[c] = 1 << templateLength - 1 - k;
+    }
+
+    var sbb_left = -minX;
+    var sbb_top = -minY;
+    var sbb_right = width - maxX;
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var row = new Uint8Array(width);
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var ltp = 0,
+        j,
+        i0,
+        j0,
+        contextLabel = 0,
+        bit,
+        shift;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          bitmap.push(row);
+          continue;
+        }
+      }
+
+      row = new Uint8Array(row);
+      bitmap.push(row);
+
+      for (j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+
+        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
+          contextLabel = contextLabel << 1 & reuseMask;
+
+          for (k = 0; k < changingEntriesLength; k++) {
+            i0 = i + changingTemplateY[k];
+            j0 = j + changingTemplateX[k];
+            bit = bitmap[i0][j0];
+
+            if (bit) {
+              bit = changingTemplateBit[k];
+              contextLabel |= bit;
+            }
+          }
+        } else {
+          contextLabel = 0;
+          shift = templateLength - 1;
+
+          for (k = 0; k < templateLength; k++, shift--) {
+            j0 = j + templateX[k];
+
+            if (j0 >= 0 && j0 < width) {
+              i0 = i + templateY[k];
+
+              if (i0 >= 0) {
+                bit = bitmap[i0][j0];
+
+                if (bit) {
+                  contextLabel |= bit << shift;
+                }
+              }
+            }
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+
+    if (templateIndex === 0) {
+      codingTemplate = codingTemplate.concat([at[0]]);
+    }
+
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    var k;
+
+    for (k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+
+    if (templateIndex === 0) {
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    }
+
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+
+    for (k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GR");
+    var ltp = 0;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          throw new Jbig2Error("prediction is not supported");
+        }
+      }
+
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var j = 0; j < width; j++) {
+        var i0, j0;
+        var contextLabel = 0;
+
+        for (k = 0; k < codingTemplateLength; k++) {
+          i0 = i + codingTemplateY[k];
+          j0 = j + codingTemplateX[k];
+
+          if (i0 < 0 || j0 < 0 || j0 >= width) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | bitmap[i0][j0];
+          }
+        }
+
+        for (k = 0; k < referenceTemplateLength; k++) {
+          i0 = i + referenceTemplateY[k] - offsetY;
+          j0 = j + referenceTemplateX[k] - offsetX;
+
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("symbol refinement with Huffman is not supported");
+    }
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    let tableB1, symbolWidths;
+
+    if (huffman) {
+      tableB1 = getStandardTable(1);
+      symbolWidths = [];
+      symbolCodeLength = Math.max(symbolCodeLength, 1);
+    }
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
+      currentHeight += deltaHeight;
+      let currentWidth = 0,
+          totalWidth = 0;
+      const firstSymbol = huffman ? symbolWidths.length : 0;
+
+      while (true) {
+        var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
+
+        if (deltaWidth === null) {
+          break;
+        }
+
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+
+        if (refinement) {
+          var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
+
+          if (numberOfInstances > 1) {
+            bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
+          } else {
+            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+            var rdx = decodeInteger(contextCache, "IARDX", decoder);
+            var rdy = decodeInteger(contextCache, "IARDY", decoder);
+            var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
+            bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
+          }
+
+          newSymbols.push(bitmap);
+        } else if (huffman) {
+          symbolWidths.push(currentWidth);
+        } else {
+          bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
+          newSymbols.push(bitmap);
+        }
+      }
+
+      if (huffman && !refinement) {
+        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
+        huffmanInput.byteAlign();
+        let collectiveBitmap;
+
+        if (bitmapSize === 0) {
+          collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
+        } else {
+          const originalEnd = huffmanInput.end;
+          const bitmapEnd = huffmanInput.position + bitmapSize;
+          huffmanInput.end = bitmapEnd;
+          collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
+          huffmanInput.end = originalEnd;
+          huffmanInput.position = bitmapEnd;
+        }
+
+        const numberOfSymbolsDecoded = symbolWidths.length;
+
+        if (firstSymbol === numberOfSymbolsDecoded - 1) {
+          newSymbols.push(collectiveBitmap);
+        } else {
+          let i,
+              y,
+              xMin = 0,
+              xMax,
+              bitmapWidth,
+              symbolBitmap;
+
+          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {
+            bitmapWidth = symbolWidths[i];
+            xMax = xMin + bitmapWidth;
+            symbolBitmap = [];
+
+            for (y = 0; y < currentHeight; y++) {
+              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+            }
+
+            newSymbols.push(symbolBitmap);
+            xMin = xMax;
+          }
+        }
+      }
+    }
+
+    var exportedSymbols = [];
+    var flags = [],
+        currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+
+    while (flags.length < totalSymbolsLength) {
+      var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
+
+      while (runLength--) {
+        flags.push(currentFlag);
+      }
+
+      currentFlag = !currentFlag;
+    }
+
+    for (var i = 0, ii = symbols.length; i < ii; i++) {
+      if (flags[i]) {
+        exportedSymbols.push(symbols[i]);
+      }
+    }
+
+    for (var j = 0; j < numberOfNewSymbols; i++, j++) {
+      if (flags[i]) {
+        exportedSymbols.push(newSymbols[j]);
+      }
+    }
+
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    var bitmap = [];
+    var i, row;
+
+    for (i = 0; i < height; i++) {
+      row = new Uint8Array(width);
+
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
+    var firstS = 0;
+    i = 0;
+
+    while (i < numberOfSymbolInstances) {
+      var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
+      stripT += deltaT;
+      var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
+      firstS += deltaFirstS;
+      var currentS = firstS;
+
+      do {
+        let currentT = 0;
+
+        if (stripSize > 1) {
+          currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
+        }
+
+        var t = stripSize * stripT + currentT;
+        var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, "IARDW", decoder);
+          var rdh = decodeInteger(contextCache, "IARDH", decoder);
+          var rdx = decodeInteger(contextCache, "IARDX", decoder);
+          var rdy = decodeInteger(contextCache, "IARDY", decoder);
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
+        }
+
+        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
+        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
+        var s2, t2, symbolRow;
+
+        if (transposed) {
+          for (s2 = 0; s2 < symbolHeight; s2++) {
+            row = bitmap[offsetS + s2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[s2];
+            var maxWidth = Math.min(width - offsetT, symbolWidth);
+
+            switch (combinationOperator) {
+              case 0:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] |= symbolRow[t2];
+                }
+
+                break;
+
+              case 2:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] ^= symbolRow[t2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolHeight - 1;
+        } else {
+          for (t2 = 0; t2 < symbolHeight; t2++) {
+            row = bitmap[offsetT + t2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[t2];
+
+            switch (combinationOperator) {
+              case 0:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] |= symbolRow[s2];
+                }
+
+                break;
+
+              case 2:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] ^= symbolRow[s2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolWidth - 1;
+        }
+
+        i++;
+        var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
+
+        if (deltaS === null) {
+          break;
+        }
+
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+
+    return bitmap;
+  }
+
+  function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: -patternWidth,
+        y: 0
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;
+    const collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
+    const patterns = [];
+
+    for (let i = 0; i <= maxPatternIndex; i++) {
+      const patternBitmap = [];
+      const xMin = patternWidth * i;
+      const xMax = xMin + patternWidth;
+
+      for (let y = 0; y < patternHeight; y++) {
+        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+      }
+
+      patterns.push(patternBitmap);
+    }
+
+    return patterns;
+  }
+
+  function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
+    const skip = null;
+
+    if (enableSkip) {
+      throw new Jbig2Error("skip is not supported");
+    }
+
+    if (combinationOperator !== 0) {
+      throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
+    }
+
+    const regionBitmap = [];
+    let i, j, row;
+
+    for (i = 0; i < regionHeight; i++) {
+      row = new Uint8Array(regionWidth);
+
+      if (defaultPixelValue) {
+        for (j = 0; j < regionWidth; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      regionBitmap.push(row);
+    }
+
+    const numberOfPatterns = patterns.length;
+    const pattern0 = patterns[0];
+    const patternWidth = pattern0[0].length,
+          patternHeight = pattern0.length;
+    const bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: template <= 1 ? 3 : 2,
+        y: -1
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const grayScaleBitPlanes = [];
+    let mmrInput, bitmap;
+
+    if (mmr) {
+      mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+    }
+
+    for (i = bitsPerValue - 1; i >= 0; i--) {
+      if (mmr) {
+        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
+      } else {
+        bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
+      }
+
+      grayScaleBitPlanes[i] = bitmap;
+    }
+
+    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
+
+    for (mg = 0; mg < gridHeight; mg++) {
+      for (ng = 0; ng < gridWidth; ng++) {
+        bit = 0;
+        patternIndex = 0;
+
+        for (j = bitsPerValue - 1; j >= 0; j--) {
+          bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
+          patternIndex |= bit << j;
+        }
+
+        patternBitmap = patterns[patternIndex];
+        x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
+        y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
+
+        if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
+          for (i = 0; i < patternHeight; i++) {
+            regionRow = regionBitmap[y + i];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionRow[x + j] |= patternRow[j];
+            }
+          }
+        } else {
+          let regionX, regionY;
+
+          for (i = 0; i < patternHeight; i++) {
+            regionY = y + i;
+
+            if (regionY < 0 || regionY >= regionHeight) {
+              continue;
+            }
+
+            regionRow = regionBitmap[regionY];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionX = x + j;
+
+              if (regionX >= 0 && regionX < regionWidth) {
+                regionRow[regionX] |= patternRow[j];
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return regionBitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = (0, _core_utils.readUint32)(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3f;
+
+    if (!SegmentTypes[segmentType]) {
+      throw new Jbig2Error("invalid segment type: " + segmentType);
+    }
+
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = referredFlags >> 5 & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+
+    if (referredFlags === 7) {
+      referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
+      position += 3;
+      var bytes = referredToCount + 7 >> 3;
+      retainBits[0] = data[position++];
+
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags === 5 || referredFlags === 6) {
+      throw new Jbig2Error("invalid referred-to flags");
+    }
+
+    segmentHeader.retainBits = retainBits;
+    let referredToSegmentNumberSize = 4;
+
+    if (segmentHeader.number <= 256) {
+      referredToSegmentNumberSize = 1;
+    } else if (segmentHeader.number <= 65536) {
+      referredToSegmentNumberSize = 2;
+    }
+
+    var referredTo = [];
+    var i, ii;
+
+    for (i = 0; i < referredToCount; i++) {
+      let number;
+
+      if (referredToSegmentNumberSize === 1) {
+        number = data[position];
+      } else if (referredToSegmentNumberSize === 2) {
+        number = (0, _core_utils.readUint16)(data, position);
+      } else {
+        number = (0, _core_utils.readUint32)(data, position);
+      }
+
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+
+    segmentHeader.referredTo = referredTo;
+
+    if (!pageAssociationFieldSize) {
+      segmentHeader.pageAssociation = data[position++];
+    } else {
+      segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    segmentHeader.length = (0, _core_utils.readUint32)(data, position);
+    position += 4;
+
+    if (segmentHeader.length === 0xffffffff) {
+      if (segmentType === 38) {
+        var genericRegionInfo = readRegionSegmentInformation(data, position);
+        var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
+        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
+        var searchPatternLength = 6;
+        var searchPattern = new Uint8Array(searchPatternLength);
+
+        if (!genericRegionMmr) {
+          searchPattern[0] = 0xff;
+          searchPattern[1] = 0xac;
+        }
+
+        searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
+        searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
+        searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
+        searchPattern[5] = genericRegionInfo.height & 0xff;
+
+        for (i = position, ii = data.length; i < ii; i++) {
+          var j = 0;
+
+          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
+            j++;
+          }
+
+          if (j === searchPatternLength) {
+            segmentHeader.length = i + searchPatternLength;
+            break;
+          }
+        }
+
+        if (segmentHeader.length === 0xffffffff) {
+          throw new Jbig2Error("segment end was not found");
+        }
+      } else {
+        throw new Jbig2Error("invalid unknown segment length");
+      }
+    }
+
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data
+      };
+
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+
+      segments.push(segment);
+
+      if (segmentHeader.type === 51) {
+        break;
+      }
+    }
+
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+
+    return segments;
+  }
+
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: (0, _core_utils.readUint32)(data, start),
+      height: (0, _core_utils.readUint32)(data, start + 4),
+      x: (0, _core_utils.readUint32)(data, start + 8),
+      y: (0, _core_utils.readUint32)(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+    var data = segment.data,
+        position = segment.start,
+        end = segment.end;
+    var args, at, i, atLength;
+
+    switch (header.type) {
+      case 0:
+        var dictionary = {};
+        var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+        dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+        dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+        dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = dictionaryFlags >> 10 & 3;
+        dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+        position += 2;
+
+        if (!dictionary.huffman) {
+          atLength = dictionary.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.at = at;
+        }
+
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.refinementAt = at;
+        }
+
+        dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo, data, position, end];
+        break;
+
+      case 6:
+      case 7:
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
+        textRegion.stripSize = 1 << textRegion.logStripSize;
+        textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+        textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+        textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+        textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+          textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+          textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+          textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+          textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+          textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+          textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+          textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
+        }
+
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          textRegion.refinementAt = at;
+        }
+
+        textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+
+      case 16:
+        const patternDictionary = {};
+        const patternDictionaryFlags = data[position++];
+        patternDictionary.mmr = !!(patternDictionaryFlags & 1);
+        patternDictionary.template = patternDictionaryFlags >> 1 & 3;
+        patternDictionary.patternWidth = data[position++];
+        patternDictionary.patternHeight = data[position++];
+        patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [patternDictionary, header.number, data, position, end];
+        break;
+
+      case 22:
+      case 23:
+        const halftoneRegion = {};
+        halftoneRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        const halftoneRegionFlags = data[position++];
+        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
+        halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
+        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
+        halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
+        halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
+        halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        args = [halftoneRegion, header.referredTo, data, position, end];
+        break;
+
+      case 38:
+      case 39:
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+
+        if (!genericRegion.mmr) {
+          atLength = genericRegion.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          genericRegion.at = at;
+        }
+
+        args = [genericRegion, data, position, end];
+        break;
+
+      case 48:
+        var pageInfo = {
+          width: (0, _core_utils.readUint32)(data, position),
+          height: (0, _core_utils.readUint32)(data, position + 4),
+          resolutionX: (0, _core_utils.readUint32)(data, position + 8),
+          resolutionY: (0, _core_utils.readUint32)(data, position + 12)
+        };
+
+        if (pageInfo.height === 0xffffffff) {
+          delete pageInfo.height;
+        }
+
+        var pageSegmentFlags = data[position + 16];
+        (0, _core_utils.readUint16)(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+        pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+
+      case 49:
+        break;
+
+      case 50:
+        break;
+
+      case 51:
+        break;
+
+      case 53:
+        args = [header.number, data, position, end];
+        break;
+
+      case 62:
+        break;
+
+      default:
+        throw new Jbig2Error(`segment type ${header.typeName}(${header.type})` + " is not implemented");
+    }
+
+    var callbackName = "on" + header.typeName;
+
+    if (callbackName in visitor) {
+      visitor[callbackName].apply(visitor, args);
+    }
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++) {
+      processSegment(segments[i], visitor);
+    }
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+
+    return visitor.buffer;
+  }
+
+  function parseJbig2(data) {
+    const end = data.length;
+    let position = 0;
+
+    if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
+      throw new Jbig2Error("parseJbig2 - invalid header.");
+    }
+
+    const header = Object.create(null);
+    position += 8;
+    const flags = data[position++];
+    header.randomAccess = !(flags & 1);
+
+    if (!(flags & 2)) {
+      header.numberOfPages = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    const segments = readSegments(header, data, position, end);
+    const visitor = new SimpleSegmentVisitor();
+    processSegments(segments, visitor);
+    const {
+      width,
+      height
+    } = visitor.currentPageInfo;
+    const bitPacked = visitor.buffer;
+    const imgData = new Uint8ClampedArray(width * height);
+    let q = 0,
+        k = 0;
+
+    for (let i = 0; i < height; i++) {
+      let mask = 0,
+          buffer;
+
+      for (let j = 0; j < width; j++) {
+        if (!mask) {
+          mask = 128;
+          buffer = bitPacked[k++];
+        }
+
+        imgData[q++] = buffer & mask ? 0 : 255;
+        mask >>= 1;
+      }
+    }
+
+    return {
+      imgData,
+      width,
+      height
+    };
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = info.width + 7 >> 3;
+      var buffer = new Uint8ClampedArray(rowSize * info.height);
+
+      if (info.defaultPixelValue) {
+        for (var i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = 0xff;
+        }
+      }
+
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width,
+          height = regionInfo.height;
+      var rowSize = pageInfo.width + 7 >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      var mask0 = 128 >> (regionInfo.x & 7);
+      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
+      var i, j, mask, offset;
+
+      switch (combinationOperator) {
+        case 0:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] |= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        case 2:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] ^= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        default:
+          throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+      }
+    },
+    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
+      let huffmanTables, huffmanInput;
+
+      if (dictionary.huffman) {
+        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
+        huffmanInput = new Reader(data, start, end);
+      }
+
+      var symbols = this.symbols;
+
+      if (!symbols) {
+        this.symbols = symbols = {};
+      }
+
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
+    },
+    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
+      var regionInfo = region.info;
+      let huffmanTables, huffmanInput;
+      var symbols = this.symbols;
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
+
+      if (region.huffman) {
+        huffmanInput = new Reader(data, start, end);
+        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+      this.onImmediateTextRegion.apply(this, arguments);
+    },
+
+    onPatternDictionary(dictionary, currentSegment, data, start, end) {
+      let patterns = this.patterns;
+
+      if (!patterns) {
+        this.patterns = patterns = {};
+      }
+
+      const decodingContext = new DecodingContext(data, start, end);
+      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
+    },
+
+    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
+      const patterns = this.patterns[referredSegments[0]];
+      const regionInfo = region.info;
+      const decodingContext = new DecodingContext(data, start, end);
+      const bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+
+    onImmediateLosslessHalftoneRegion() {
+      this.onImmediateHalftoneRegion.apply(this, arguments);
+    },
+
+    onTables(currentSegment, data, start, end) {
+      let customTables = this.customTables;
+
+      if (!customTables) {
+        this.customTables = customTables = {};
+      }
+
+      customTables[currentSegment] = decodeTablesSegment(data, start, end);
+    }
+
+  };
+
+  function HuffmanLine(lineData) {
+    if (lineData.length === 2) {
+      this.isOOB = true;
+      this.rangeLow = 0;
+      this.prefixLength = lineData[0];
+      this.rangeLength = 0;
+      this.prefixCode = lineData[1];
+      this.isLowerRange = false;
+    } else {
+      this.isOOB = false;
+      this.rangeLow = lineData[0];
+      this.prefixLength = lineData[1];
+      this.rangeLength = lineData[2];
+      this.prefixCode = lineData[3];
+      this.isLowerRange = lineData[4] === "lower";
+    }
+  }
+
+  function HuffmanTreeNode(line) {
+    this.children = [];
+
+    if (line) {
+      this.isLeaf = true;
+      this.rangeLength = line.rangeLength;
+      this.rangeLow = line.rangeLow;
+      this.isLowerRange = line.isLowerRange;
+      this.isOOB = line.isOOB;
+    } else {
+      this.isLeaf = false;
+    }
+  }
+
+  HuffmanTreeNode.prototype = {
+    buildTree(line, shift) {
+      const bit = line.prefixCode >> shift & 1;
+
+      if (shift <= 0) {
+        this.children[bit] = new HuffmanTreeNode(line);
+      } else {
+        let node = this.children[bit];
+
+        if (!node) {
+          this.children[bit] = node = new HuffmanTreeNode(null);
+        }
+
+        node.buildTree(line, shift - 1);
+      }
+    },
+
+    decodeNode(reader) {
+      if (this.isLeaf) {
+        if (this.isOOB) {
+          return null;
+        }
+
+        const htOffset = reader.readBits(this.rangeLength);
+        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
+      }
+
+      const node = this.children[reader.readBit()];
+
+      if (!node) {
+        throw new Jbig2Error("invalid Huffman data");
+      }
+
+      return node.decodeNode(reader);
+    }
+
+  };
+
+  function HuffmanTable(lines, prefixCodesDone) {
+    if (!prefixCodesDone) {
+      this.assignPrefixCodes(lines);
+    }
+
+    this.rootNode = new HuffmanTreeNode(null);
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      const line = lines[i];
+
+      if (line.prefixLength > 0) {
+        this.rootNode.buildTree(line, line.prefixLength - 1);
+      }
+    }
+  }
+
+  HuffmanTable.prototype = {
+    decode(reader) {
+      return this.rootNode.decodeNode(reader);
+    },
+
+    assignPrefixCodes(lines) {
+      const linesLength = lines.length;
+      let prefixLengthMax = 0;
+
+      for (let i = 0; i < linesLength; i++) {
+        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
+      }
+
+      const histogram = new Uint32Array(prefixLengthMax + 1);
+
+      for (let i = 0; i < linesLength; i++) {
+        histogram[lines[i].prefixLength]++;
+      }
+
+      let currentLength = 1,
+          firstCode = 0,
+          currentCode,
+          currentTemp,
+          line;
+      histogram[0] = 0;
+
+      while (currentLength <= prefixLengthMax) {
+        firstCode = firstCode + histogram[currentLength - 1] << 1;
+        currentCode = firstCode;
+        currentTemp = 0;
+
+        while (currentTemp < linesLength) {
+          line = lines[currentTemp];
+
+          if (line.prefixLength === currentLength) {
+            line.prefixCode = currentCode;
+            currentCode++;
+          }
+
+          currentTemp++;
+        }
+
+        currentLength++;
+      }
+    }
+
+  };
+
+  function decodeTablesSegment(data, start, end) {
+    const flags = data[start];
+    const lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
+    const highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
+    const reader = new Reader(data, start + 9, end);
+    const prefixSizeBits = (flags >> 1 & 7) + 1;
+    const rangeSizeBits = (flags >> 4 & 7) + 1;
+    const lines = [];
+    let prefixLength,
+        rangeLength,
+        currentRangeLow = lowestValue;
+
+    do {
+      prefixLength = reader.readBits(prefixSizeBits);
+      rangeLength = reader.readBits(rangeSizeBits);
+      lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
+      currentRangeLow += 1 << rangeLength;
+    } while (currentRangeLow < highestValue);
+
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
+
+    if (flags & 1) {
+      prefixLength = reader.readBits(prefixSizeBits);
+      lines.push(new HuffmanLine([prefixLength, 0]));
+    }
+
+    return new HuffmanTable(lines, false);
+  }
+
+  const standardTablesCache = {};
+
+  function getStandardTable(number) {
+    let table = standardTablesCache[number];
+
+    if (table) {
+      return table;
+    }
+
+    let lines;
+
+    switch (number) {
+      case 1:
+        lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
+        break;
+
+      case 2:
+        lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
+        break;
+
+      case 3:
+        lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
+        break;
+
+      case 4:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
+        break;
+
+      case 5:
+        lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
+        break;
+
+      case 6:
+        lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
+        break;
+
+      case 7:
+        lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
+        break;
+
+      case 8:
+        lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
+        break;
+
+      case 9:
+        lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
+        break;
+
+      case 10:
+        lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
+        break;
+
+      case 11:
+        lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 12:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
+        break;
+
+      case 13:
+        lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 14:
+        lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
+        break;
+
+      case 15:
+        lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
+        break;
+
+      default:
+        throw new Jbig2Error(`standard table B.${number} does not exist`);
+    }
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      lines[i] = new HuffmanLine(lines[i]);
+    }
+
+    table = new HuffmanTable(lines, true);
+    standardTablesCache[number] = table;
+    return table;
+  }
+
+  function Reader(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+    this.position = start;
+    this.shift = -1;
+    this.currentByte = 0;
+  }
+
+  Reader.prototype = {
+    readBit() {
+      if (this.shift < 0) {
+        if (this.position >= this.end) {
+          throw new Jbig2Error("end of data while reading bit");
+        }
+
+        this.currentByte = this.data[this.position++];
+        this.shift = 7;
+      }
+
+      const bit = this.currentByte >> this.shift & 1;
+      this.shift--;
+      return bit;
+    },
+
+    readBits(numBits) {
+      let result = 0,
+          i;
+
+      for (i = numBits - 1; i >= 0; i--) {
+        result |= this.readBit() << i;
+      }
+
+      return result;
+    },
+
+    byteAlign() {
+      this.shift = -1;
+    },
+
+    next() {
+      if (this.position >= this.end) {
+        return -1;
+      }
+
+      return this.data[this.position++];
+    }
+
+  };
+
+  function getCustomHuffmanTable(index, referredTo, customTables) {
+    let currentIndex = 0;
+
+    for (let i = 0, ii = referredTo.length; i < ii; i++) {
+      const table = customTables[referredTo[i]];
+
+      if (table) {
+        if (index === currentIndex) {
+          return table;
+        }
+
+        currentIndex++;
+      }
+    }
+
+    throw new Jbig2Error("can't find custom Huffman table");
+  }
+
+  function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
+    const codes = [];
+
+    for (let i = 0; i <= 34; i++) {
+      const codeLength = reader.readBits(4);
+      codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+    }
+
+    const runCodesTable = new HuffmanTable(codes, false);
+    codes.length = 0;
+
+    for (let i = 0; i < numberOfSymbols;) {
+      const codeLength = runCodesTable.decode(reader);
+
+      if (codeLength >= 32) {
+        let repeatedLength, numberOfRepeats, j;
+
+        switch (codeLength) {
+          case 32:
+            if (i === 0) {
+              throw new Jbig2Error("no previous value in symbol ID table");
+            }
+
+            numberOfRepeats = reader.readBits(2) + 3;
+            repeatedLength = codes[i - 1].prefixLength;
+            break;
+
+          case 33:
+            numberOfRepeats = reader.readBits(3) + 3;
+            repeatedLength = 0;
+            break;
+
+          case 34:
+            numberOfRepeats = reader.readBits(7) + 11;
+            repeatedLength = 0;
+            break;
+
+          default:
+            throw new Jbig2Error("invalid code length in symbol ID table");
+        }
+
+        for (j = 0; j < numberOfRepeats; j++) {
+          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));
+          i++;
+        }
+      } else {
+        codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+        i++;
+      }
+    }
+
+    reader.byteAlign();
+    const symbolIDTable = new HuffmanTable(codes, false);
+    let customIndex = 0,
+        tableFirstS,
+        tableDeltaS,
+        tableDeltaT;
+
+    switch (textRegion.huffmanFS) {
+      case 0:
+      case 1:
+        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
+        break;
+
+      case 3:
+        tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman FS selector");
+    }
+
+    switch (textRegion.huffmanDS) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
+        break;
+
+      case 3:
+        tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DS selector");
+    }
+
+    switch (textRegion.huffmanDT) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
+        break;
+
+      case 3:
+        tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DT selector");
+    }
+
+    if (textRegion.refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    return {
+      symbolIDTable,
+      tableFirstS,
+      tableDeltaS,
+      tableDeltaT
+    };
+  }
+
+  function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
+    let customIndex = 0,
+        tableDeltaHeight,
+        tableDeltaWidth;
+
+    switch (dictionary.huffmanDHSelector) {
+      case 0:
+      case 1:
+        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
+        break;
+
+      case 3:
+        tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DH selector");
+    }
+
+    switch (dictionary.huffmanDWSelector) {
+      case 0:
+      case 1:
+        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
+        break;
+
+      case 3:
+        tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DW selector");
+    }
+
+    let tableBitmapSize, tableAggregateInstances;
+
+    if (dictionary.bitmapSizeSelector) {
+      tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
+      customIndex++;
+    } else {
+      tableBitmapSize = getStandardTable(1);
+    }
+
+    if (dictionary.aggregationInstancesSelector) {
+      tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
+    } else {
+      tableAggregateInstances = getStandardTable(1);
+    }
+
+    return {
+      tableDeltaHeight,
+      tableDeltaWidth,
+      tableBitmapSize,
+      tableAggregateInstances
+    };
+  }
+
+  function readUncompressedBitmap(reader, width, height) {
+    const bitmap = [];
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (let x = 0; x < width; x++) {
+        row[x] = reader.readBit();
+      }
+
+      reader.byteAlign();
+    }
+
+    return bitmap;
+  }
+
+  function decodeMMRBitmap(input, width, height, endOfBlock) {
+    const params = {
+      K: -1,
+      Columns: width,
+      Rows: height,
+      BlackIs1: true,
+      EndOfBlock: endOfBlock
+    };
+    const decoder = new _ccitt.CCITTFaxDecoder(input, params);
+    const bitmap = [];
+    let currentByte,
+        eof = false;
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+      let shift = -1;
+
+      for (let x = 0; x < width; x++) {
+        if (shift < 0) {
+          currentByte = decoder.readNextChar();
+
+          if (currentByte === -1) {
+            currentByte = 0;
+            eof = true;
+          }
+
+          shift = 7;
+        }
+
+        row[x] = currentByte >> shift & 1;
+        shift--;
+      }
+    }
+
+    if (endOfBlock && !eof) {
+      const lookForEOFLimit = 5;
+
+      for (let i = 0; i < lookForEOFLimit; i++) {
+        if (decoder.readNextChar() === -1) {
+          break;
+        }
+      }
+    }
+
+    return bitmap;
+  }
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    },
+
+    parse(data) {
+      const {
+        imgData,
+        width,
+        height
+      } = parseJbig2(data);
+      this.width = width;
+      this.height = height;
+      return imgData;
+    }
+
+  };
+  return Jbig2Image;
+}();
+
+exports.Jbig2Image = Jbig2Image;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getInheritableProperty = getInheritableProperty;
+exports.toRomanNumerals = toRomanNumerals;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.isWhiteSpace = isWhiteSpace;
+exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+function getLookupTableFactory(initializer) {
+  let lookup;
+  return function () {
+    if (initializer) {
+      lookup = Object.create(null);
+      initializer(lookup);
+      initializer = null;
+    }
+
+    return lookup;
+  };
+}
+
+class MissingDataException extends _util.BaseException {
+  constructor(begin, end) {
+    super(`Missing data [${begin}, ${end})`);
+    this.begin = begin;
+    this.end = end;
+  }
+
+}
+
+exports.MissingDataException = MissingDataException;
+
+class XRefEntryException extends _util.BaseException {}
+
+exports.XRefEntryException = XRefEntryException;
+
+class XRefParseException extends _util.BaseException {}
+
+exports.XRefParseException = XRefParseException;
+
+function getInheritableProperty({
+  dict,
+  key,
+  getArray = false,
+  stopWhenFound = true
+}) {
+  const LOOP_LIMIT = 100;
+  let loopCount = 0;
+  let values;
+
+  while (dict) {
+    const value = getArray ? dict.getArray(key) : dict.get(key);
+
+    if (value !== undefined) {
+      if (stopWhenFound) {
+        return value;
+      }
+
+      if (!values) {
+        values = [];
+      }
+
+      values.push(value);
+    }
+
+    if (++loopCount > LOOP_LIMIT) {
+      (0, _util.warn)(`getInheritableProperty: maximum loop count exceeded for "${key}"`);
+      break;
+    }
+
+    dict = dict.get("Parent");
+  }
+
+  return values;
+}
+
+const ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
+
+function toRomanNumerals(number, lowerCase = false) {
+  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
+  const romanBuf = [];
+  let pos;
+
+  while (number >= 1000) {
+    number -= 1000;
+    romanBuf.push("M");
+  }
+
+  pos = number / 100 | 0;
+  number %= 100;
+  romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+  pos = number / 10 | 0;
+  number %= 10;
+  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+  const romanStr = romanBuf.join("");
+  return lowerCase ? romanStr.toLowerCase() : romanStr;
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, offset) {
+  return data[offset] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isWhiteSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
+}
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ArithmeticDecoder = void 0;
+const QeTable = [{
+  qe: 0x5601,
+  nmps: 1,
+  nlps: 1,
+  switchFlag: 1
+}, {
+  qe: 0x3401,
+  nmps: 2,
+  nlps: 6,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 3,
+  nlps: 9,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 4,
+  nlps: 12,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 5,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 38,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 7,
+  nlps: 6,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 8,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 9,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 10,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 11,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 12,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 13,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 29,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 15,
+  nlps: 14,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 16,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x5101,
+  nmps: 17,
+  nlps: 15,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 18,
+  nlps: 16,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 19,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x3401,
+  nmps: 20,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 21,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2801,
+  nmps: 22,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 23,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x2201,
+  nmps: 24,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 25,
+  nlps: 22,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 26,
+  nlps: 23,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 27,
+  nlps: 24,
+  switchFlag: 0
+}, {
+  qe: 0x1401,
+  nmps: 28,
+  nlps: 25,
+  switchFlag: 0
+}, {
+  qe: 0x1201,
+  nmps: 29,
+  nlps: 26,
+  switchFlag: 0
+}, {
+  qe: 0x1101,
+  nmps: 30,
+  nlps: 27,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 31,
+  nlps: 28,
+  switchFlag: 0
+}, {
+  qe: 0x09c1,
+  nmps: 32,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x08a1,
+  nmps: 33,
+  nlps: 30,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 34,
+  nlps: 31,
+  switchFlag: 0
+}, {
+  qe: 0x0441,
+  nmps: 35,
+  nlps: 32,
+  switchFlag: 0
+}, {
+  qe: 0x02a1,
+  nmps: 36,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 37,
+  nlps: 34,
+  switchFlag: 0
+}, {
+  qe: 0x0141,
+  nmps: 38,
+  nlps: 35,
+  switchFlag: 0
+}, {
+  qe: 0x0111,
+  nmps: 39,
+  nlps: 36,
+  switchFlag: 0
+}, {
+  qe: 0x0085,
+  nmps: 40,
+  nlps: 37,
+  switchFlag: 0
+}, {
+  qe: 0x0049,
+  nmps: 41,
+  nlps: 38,
+  switchFlag: 0
+}, {
+  qe: 0x0025,
+  nmps: 42,
+  nlps: 39,
+  switchFlag: 0
+}, {
+  qe: 0x0015,
+  nmps: 43,
+  nlps: 40,
+  switchFlag: 0
+}, {
+  qe: 0x0009,
+  nmps: 44,
+  nlps: 41,
+  switchFlag: 0
+}, {
+  qe: 0x0005,
+  nmps: 45,
+  nlps: 42,
+  switchFlag: 0
+}, {
+  qe: 0x0001,
+  nmps: 45,
+  nlps: 43,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 46,
+  nlps: 46,
+  switchFlag: 0
+}];
+
+class ArithmeticDecoder {
+  constructor(data, start, end) {
+    this.data = data;
+    this.bp = start;
+    this.dataEnd = end;
+    this.chigh = data[start];
+    this.clow = 0;
+    this.byteIn();
+    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
+    this.clow = this.clow << 7 & 0xffff;
+    this.ct -= 7;
+    this.a = 0x8000;
+  }
+
+  byteIn() {
+    const data = this.data;
+    let bp = this.bp;
+
+    if (data[bp] === 0xff) {
+      if (data[bp + 1] > 0x8f) {
+        this.clow += 0xff00;
+        this.ct = 8;
+      } else {
+        bp++;
+        this.clow += data[bp] << 9;
+        this.ct = 7;
+        this.bp = bp;
+      }
+    } else {
+      bp++;
+      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
+      this.ct = 8;
+      this.bp = bp;
+    }
+
+    if (this.clow > 0xffff) {
+      this.chigh += this.clow >> 16;
+      this.clow &= 0xffff;
+    }
+  }
+
+  readBit(contexts, pos) {
+    let cx_index = contexts[pos] >> 1,
+        cx_mps = contexts[pos] & 1;
+    const qeTableIcx = QeTable[cx_index];
+    const qeIcx = qeTableIcx.qe;
+    let d;
+    let a = this.a - qeIcx;
+
+    if (this.chigh < qeIcx) {
+      if (a < qeIcx) {
+        a = qeIcx;
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      } else {
+        a = qeIcx;
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      }
+    } else {
+      this.chigh -= qeIcx;
+
+      if ((a & 0x8000) !== 0) {
+        this.a = a;
+        return cx_mps;
+      }
+
+      if (a < qeIcx) {
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      } else {
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      }
+    }
+
+    do {
+      if (this.ct === 0) {
+        this.byteIn();
+      }
+
+      a <<= 1;
+      this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
+      this.clow = this.clow << 1 & 0xffff;
+      this.ct--;
+    } while ((a & 0x8000) === 0);
+
+    this.a = a;
+    contexts[pos] = cx_index << 1 | cx_mps;
+    return d;
+  }
+
+}
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxDecoder = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+const CCITTFaxDecoder = function CCITTFaxDecoder() {
+  const ccittEOL = -2;
+  const ccittEOF = -1;
+  const twoDimPass = 0;
+  const twoDimHoriz = 1;
+  const twoDimVert0 = 2;
+  const twoDimVertR1 = 3;
+  const twoDimVertL1 = 4;
+  const twoDimVertR2 = 5;
+  const twoDimVertL2 = 6;
+  const twoDimVertR3 = 7;
+  const twoDimVertL3 = 8;
+  const twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
+  const whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
+  const whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
+  const blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
+  const blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
+  const blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
+
+  function CCITTFaxDecoder(source, options = {}) {
+    if (!source || typeof source.next !== "function") {
+      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
+    }
+
+    this.source = source;
+    this.eof = false;
+    this.encoding = options.K || 0;
+    this.eoline = options.EndOfLine || false;
+    this.byteAlign = options.EncodedByteAlign || false;
+    this.columns = options.Columns || 1728;
+    this.rows = options.Rows || 0;
+    let eoblock = options.EndOfBlock;
+
+    if (eoblock === null || eoblock === undefined) {
+      eoblock = true;
+    }
+
+    this.eoblock = eoblock;
+    this.black = options.BlackIs1 || false;
+    this.codingLine = new Uint32Array(this.columns + 1);
+    this.refLine = new Uint32Array(this.columns + 2);
+    this.codingLine[0] = this.columns;
+    this.codingPos = 0;
+    this.row = 0;
+    this.nextLine2D = this.encoding < 0;
+    this.inputBits = 0;
+    this.inputBuf = 0;
+    this.outputBits = 0;
+    this.rowsDone = false;
+    let code1;
+
+    while ((code1 = this._lookBits(12)) === 0) {
+      this._eatBits(1);
+    }
+
+    if (code1 === 1) {
+      this._eatBits(12);
+    }
+
+    if (this.encoding > 0) {
+      this.nextLine2D = !this._lookBits(1);
+
+      this._eatBits(1);
+    }
+  }
+
+  CCITTFaxDecoder.prototype = {
+    readNextChar() {
+      if (this.eof) {
+        return -1;
+      }
+
+      const refLine = this.refLine;
+      const codingLine = this.codingLine;
+      const columns = this.columns;
+      let refPos, blackPixels, bits, i;
+
+      if (this.outputBits === 0) {
+        if (this.rowsDone) {
+          this.eof = true;
+        }
+
+        if (this.eof) {
+          return -1;
+        }
+
+        this.err = false;
+        let code1, code2, code3;
+
+        if (this.nextLine2D) {
+          for (i = 0; codingLine[i] < columns; ++i) {
+            refLine[i] = codingLine[i];
+          }
+
+          refLine[i++] = columns;
+          refLine[i] = columns;
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          refPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = this._getTwoDimCode();
+
+            switch (code1) {
+              case twoDimPass:
+                this._addPixels(refLine[refPos + 1], blackPixels);
+
+                if (refLine[refPos + 1] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimHoriz:
+                code1 = code2 = 0;
+
+                if (blackPixels) {
+                  do {
+                    code1 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+                } else {
+                  do {
+                    code1 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+                }
+
+                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+                if (codingLine[this.codingPos] < columns) {
+                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
+                }
+
+                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimVertR3:
+                this._addPixels(refLine[refPos] + 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR2:
+                this._addPixels(refLine[refPos] + 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR1:
+                this._addPixels(refLine[refPos] + 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVert0:
+                this._addPixels(refLine[refPos], blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL3:
+                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL2:
+                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL1:
+                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case ccittEOF:
+                this._addPixels(columns, 0);
+
+                this.eof = true;
+                break;
+
+              default:
+                (0, _util.info)("bad 2d code");
+
+                this._addPixels(columns, 0);
+
+                this.err = true;
+            }
+          }
+        } else {
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = 0;
+
+            if (blackPixels) {
+              do {
+                code1 += code3 = this._getBlackCode();
+              } while (code3 >= 64);
+            } else {
+              do {
+                code1 += code3 = this._getWhiteCode();
+              } while (code3 >= 64);
+            }
+
+            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+            blackPixels ^= 1;
+          }
+        }
+
+        let gotEOL = false;
+
+        if (this.byteAlign) {
+          this.inputBits &= ~7;
+        }
+
+        if (!this.eoblock && this.row === this.rows - 1) {
+          this.rowsDone = true;
+        } else {
+          code1 = this._lookBits(12);
+
+          if (this.eoline) {
+            while (code1 !== ccittEOF && code1 !== 1) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          } else {
+            while (code1 === 0) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          }
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            gotEOL = true;
+          } else if (code1 === ccittEOF) {
+            this.eof = true;
+          }
+        }
+
+        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
+          this.nextLine2D = !this._lookBits(1);
+
+          this._eatBits(1);
+        }
+
+        if (this.eoblock && gotEOL && this.byteAlign) {
+          code1 = this._lookBits(12);
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            if (this.encoding > 0) {
+              this._lookBits(1);
+
+              this._eatBits(1);
+            }
+
+            if (this.encoding >= 0) {
+              for (i = 0; i < 4; ++i) {
+                code1 = this._lookBits(12);
+
+                if (code1 !== 1) {
+                  (0, _util.info)("bad rtc code: " + code1);
+                }
+
+                this._eatBits(12);
+
+                if (this.encoding > 0) {
+                  this._lookBits(1);
+
+                  this._eatBits(1);
+                }
+              }
+            }
+
+            this.eof = true;
+          }
+        } else if (this.err && this.eoline) {
+          while (true) {
+            code1 = this._lookBits(13);
+
+            if (code1 === ccittEOF) {
+              this.eof = true;
+              return -1;
+            }
+
+            if (code1 >> 1 === 1) {
+              break;
+            }
+
+            this._eatBits(1);
+          }
+
+          this._eatBits(12);
+
+          if (this.encoding > 0) {
+            this._eatBits(1);
+
+            this.nextLine2D = !(code1 & 1);
+          }
+        }
+
+        if (codingLine[0] > 0) {
+          this.outputBits = codingLine[this.codingPos = 0];
+        } else {
+          this.outputBits = codingLine[this.codingPos = 1];
+        }
+
+        this.row++;
+      }
+
+      let c;
+
+      if (this.outputBits >= 8) {
+        c = this.codingPos & 1 ? 0 : 0xff;
+        this.outputBits -= 8;
+
+        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
+          this.codingPos++;
+          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+        }
+      } else {
+        bits = 8;
+        c = 0;
+
+        do {
+          if (this.outputBits > bits) {
+            c <<= bits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - bits;
+            }
+
+            this.outputBits -= bits;
+            bits = 0;
+          } else {
+            c <<= this.outputBits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - this.outputBits;
+            }
+
+            bits -= this.outputBits;
+            this.outputBits = 0;
+
+            if (codingLine[this.codingPos] < columns) {
+              this.codingPos++;
+              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+            } else if (bits > 0) {
+              c <<= bits;
+              bits = 0;
+            }
+          }
+        } while (bits);
+      }
+
+      if (this.black) {
+        c ^= 0xff;
+      }
+
+      return c;
+    },
+
+    _addPixels(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _addPixelsNeg(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      } else if (a1 < codingLine[codingPos]) {
+        if (a1 < 0) {
+          (0, _util.info)("invalid code");
+          this.err = true;
+          a1 = 0;
+        }
+
+        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
+          --codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _findTableCode(start, end, table, limit) {
+      const limitValue = limit || 0;
+
+      for (let i = start; i <= end; ++i) {
+        let code = this._lookBits(i);
+
+        if (code === ccittEOF) {
+          return [true, 1, false];
+        }
+
+        if (i < end) {
+          code <<= end - i;
+        }
+
+        if (!limitValue || code >= limitValue) {
+          const p = table[code - limitValue];
+
+          if (p[0] === i) {
+            this._eatBits(i);
+
+            return [true, p[1], true];
+          }
+        }
+      }
+
+      return [false, 0, false];
+    },
+
+    _getTwoDimCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(7);
+        p = twoDimTable[code];
+
+        if (p && p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        const result = this._findTableCode(1, 7, twoDimTable);
+
+        if (result[0] && result[2]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("Bad two dim code");
+      return ccittEOF;
+    },
+
+    _getWhiteCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(12);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 5 === 0) {
+          p = whiteTable1[code];
+        } else {
+          p = whiteTable2[code >> 3];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(1, 9, whiteTable2);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(11, 12, whiteTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad white code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _getBlackCode() {
+      let code, p;
+
+      if (this.eoblock) {
+        code = this._lookBits(13);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 7 === 0) {
+          p = blackTable1[code];
+        } else if (code >> 9 === 0 && code >> 7 !== 0) {
+          p = blackTable2[(code >> 1) - 64];
+        } else {
+          p = blackTable3[code >> 7];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(2, 6, blackTable3);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(7, 12, blackTable2, 64);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(10, 13, blackTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad black code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _lookBits(n) {
+      let c;
+
+      while (this.inputBits < n) {
+        if ((c = this.source.next()) === -1) {
+          if (this.inputBits === 0) {
+            return ccittEOF;
+          }
+
+          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
+        }
+
+        this.inputBuf = this.inputBuf << 8 | c;
+        this.inputBits += 8;
+      }
+
+      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
+    },
+
+    _eatBits(n) {
+      if ((this.inputBits -= n) < 0) {
+        this.inputBits = 0;
+      }
+    }
+
+  };
+  return CCITTFaxDecoder;
+}();
+
+exports.CCITTFaxDecoder = CCITTFaxDecoder;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegImage = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(5);
+
+class JpegError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPEG error: ${msg}`);
+  }
+
+}
+
+class DNLMarkerError extends _util.BaseException {
+  constructor(message, scanLines) {
+    super(message);
+    this.scanLines = scanLines;
+  }
+
+}
+
+class EOIMarkerError extends _util.BaseException {}
+
+var JpegImage = function JpegImageClosure() {
+  var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
+  var dctCos1 = 4017;
+  var dctSin1 = 799;
+  var dctCos3 = 3406;
+  var dctSin3 = 2276;
+  var dctCos6 = 1567;
+  var dctSin6 = 3784;
+  var dctSqrt2 = 5793;
+  var dctSqrt1d2 = 2896;
+
+  function JpegImage({
+    decodeTransform = null,
+    colorTransform = -1
+  } = {}) {
+    this._decodeTransform = decodeTransform;
+    this._colorTransform = colorTransform;
+  }
+
+  function buildHuffmanTable(codeLengths, values) {
+    var k = 0,
+        code = [],
+        i,
+        j,
+        length = 16;
+
+    while (length > 0 && !codeLengths[length - 1]) {
+      length--;
+    }
+
+    code.push({
+      children: [],
+      index: 0
+    });
+    var p = code[0],
+        q;
+
+    for (i = 0; i < length; i++) {
+      for (j = 0; j < codeLengths[i]; j++) {
+        p = code.pop();
+        p.children[p.index] = values[k];
+
+        while (p.index > 0) {
+          p = code.pop();
+        }
+
+        p.index++;
+        code.push(p);
+
+        while (code.length <= i) {
+          code.push(q = {
+            children: [],
+            index: 0
+          });
+          p.children[p.index] = q.children;
+          p = q;
+        }
+
+        k++;
+      }
+
+      if (i + 1 < length) {
+        code.push(q = {
+          children: [],
+          index: 0
+        });
+        p.children[p.index] = q.children;
+        p = q;
+      }
+    }
+
+    return code[0].children;
+  }
+
+  function getBlockBufferOffset(component, row, col) {
+    return 64 * ((component.blocksPerLine + 1) * row + col);
+  }
+
+  function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive, parseDNLMarker = false) {
+    var mcusPerLine = frame.mcusPerLine;
+    var progressive = frame.progressive;
+    const startOffset = offset;
+    let bitsData = 0,
+        bitsCount = 0;
+
+    function readBit() {
+      if (bitsCount > 0) {
+        bitsCount--;
+        return bitsData >> bitsCount & 1;
+      }
+
+      bitsData = data[offset++];
+
+      if (bitsData === 0xff) {
+        var nextByte = data[offset++];
+
+        if (nextByte) {
+          if (nextByte === 0xdc && parseDNLMarker) {
+            offset += 2;
+            const scanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            if (scanLines > 0 && scanLines !== frame.scanLines) {
+              throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
+            }
+          } else if (nextByte === 0xd9) {
+            if (parseDNLMarker) {
+              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
+
+              if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
+                throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
+              }
+            }
+
+            throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
+          }
+
+          throw new JpegError(`unexpected marker ${(bitsData << 8 | nextByte).toString(16)}`);
+        }
+      }
+
+      bitsCount = 7;
+      return bitsData >>> 7;
+    }
+
+    function decodeHuffman(tree) {
+      var node = tree;
+
+      while (true) {
+        node = node[readBit()];
+
+        switch (typeof node) {
+          case "number":
+            return node;
+
+          case "object":
+            continue;
+        }
+
+        throw new JpegError("invalid huffman sequence");
+      }
+    }
+
+    function receive(length) {
+      var n = 0;
+
+      while (length > 0) {
+        n = n << 1 | readBit();
+        length--;
+      }
+
+      return n;
+    }
+
+    function receiveAndExtend(length) {
+      if (length === 1) {
+        return readBit() === 1 ? 1 : -1;
+      }
+
+      var n = receive(length);
+
+      if (n >= 1 << length - 1) {
+        return n;
+      }
+
+      return n + (-1 << length) + 1;
+    }
+
+    function decodeBaseline(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t);
+      component.blockData[blockOffset] = component.pred += diff;
+      var k = 1;
+
+      while (k < 64) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s);
+        k++;
+      }
+    }
+
+    function decodeDCFirst(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
+      component.blockData[blockOffset] = component.pred += diff;
+    }
+
+    function decodeDCSuccessive(component, blockOffset) {
+      component.blockData[blockOffset] |= readBit() << successive;
+    }
+
+    var eobrun = 0;
+
+    function decodeACFirst(component, blockOffset) {
+      if (eobrun > 0) {
+        eobrun--;
+        return;
+      }
+
+      var k = spectralStart,
+          e = spectralEnd;
+
+      while (k <= e) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            eobrun = receive(r) + (1 << r) - 1;
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
+        k++;
+      }
+    }
+
+    var successiveACState = 0,
+        successiveACNextValue;
+
+    function decodeACSuccessive(component, blockOffset) {
+      var k = spectralStart;
+      var e = spectralEnd;
+      var r = 0;
+      var s;
+      var rs;
+
+      while (k <= e) {
+        const offsetZ = blockOffset + dctZigZag[k];
+        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;
+
+        switch (successiveACState) {
+          case 0:
+            rs = decodeHuffman(component.huffmanTableAC);
+            s = rs & 15;
+            r = rs >> 4;
+
+            if (s === 0) {
+              if (r < 15) {
+                eobrun = receive(r) + (1 << r);
+                successiveACState = 4;
+              } else {
+                r = 16;
+                successiveACState = 1;
+              }
+            } else {
+              if (s !== 1) {
+                throw new JpegError("invalid ACn encoding");
+              }
+
+              successiveACNextValue = receiveAndExtend(s);
+              successiveACState = r ? 2 : 3;
+            }
+
+            continue;
+
+          case 1:
+          case 2:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              r--;
+
+              if (r === 0) {
+                successiveACState = successiveACState === 2 ? 3 : 0;
+              }
+            }
+
+            break;
+
+          case 3:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              component.blockData[offsetZ] = successiveACNextValue << successive;
+              successiveACState = 0;
+            }
+
+            break;
+
+          case 4:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            }
+
+            break;
+        }
+
+        k++;
+      }
+
+      if (successiveACState === 4) {
+        eobrun--;
+
+        if (eobrun === 0) {
+          successiveACState = 0;
+        }
+      }
+    }
+
+    let blockRow = 0;
+
+    function decodeMcu(component, decode, mcu, row, col) {
+      var mcuRow = mcu / mcusPerLine | 0;
+      var mcuCol = mcu % mcusPerLine;
+      blockRow = mcuRow * component.v + row;
+      var blockCol = mcuCol * component.h + col;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    function decodeBlock(component, decode, mcu) {
+      blockRow = mcu / component.blocksPerLine | 0;
+      var blockCol = mcu % component.blocksPerLine;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    var componentsLength = components.length;
+    var component, i, j, k, n;
+    var decodeFn;
+
+    if (progressive) {
+      if (spectralStart === 0) {
+        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
+      } else {
+        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
+      }
+    } else {
+      decodeFn = decodeBaseline;
+    }
+
+    var mcu = 0,
+        fileMarker;
+    var mcuExpected;
+
+    if (componentsLength === 1) {
+      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
+    } else {
+      mcuExpected = mcusPerLine * frame.mcusPerColumn;
+    }
+
+    var h, v;
+
+    while (mcu <= mcuExpected) {
+      var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
+
+      if (mcuToRead > 0) {
+        for (i = 0; i < componentsLength; i++) {
+          components[i].pred = 0;
+        }
+
+        eobrun = 0;
+
+        if (componentsLength === 1) {
+          component = components[0];
+
+          for (n = 0; n < mcuToRead; n++) {
+            decodeBlock(component, decodeFn, mcu);
+            mcu++;
+          }
+        } else {
+          for (n = 0; n < mcuToRead; n++) {
+            for (i = 0; i < componentsLength; i++) {
+              component = components[i];
+              h = component.h;
+              v = component.v;
+
+              for (j = 0; j < v; j++) {
+                for (k = 0; k < h; k++) {
+                  decodeMcu(component, decodeFn, mcu, j, k);
+                }
+              }
+            }
+
+            mcu++;
+          }
+        }
+      }
+
+      bitsCount = 0;
+      fileMarker = findNextFileMarker(data, offset);
+
+      if (!fileMarker) {
+        break;
+      }
+
+      if (fileMarker.invalid) {
+        const partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
+        (0, _util.warn)(`decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`);
+        offset = fileMarker.offset;
+      }
+
+      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
+        offset += 2;
+      } else {
+        break;
+      }
+    }
+
+    return offset - startOffset;
+  }
+
+  function quantizeAndInverse(component, blockBufferOffset, p) {
+    var qt = component.quantizationTable,
+        blockData = component.blockData;
+    var v0, v1, v2, v3, v4, v5, v6, v7;
+    var p0, p1, p2, p3, p4, p5, p6, p7;
+    var t;
+
+    if (!qt) {
+      throw new JpegError("missing required Quantization Table.");
+    }
+
+    for (var row = 0; row < 64; row += 8) {
+      p0 = blockData[blockBufferOffset + row];
+      p1 = blockData[blockBufferOffset + row + 1];
+      p2 = blockData[blockBufferOffset + row + 2];
+      p3 = blockData[blockBufferOffset + row + 3];
+      p4 = blockData[blockBufferOffset + row + 4];
+      p5 = blockData[blockBufferOffset + row + 5];
+      p6 = blockData[blockBufferOffset + row + 6];
+      p7 = blockData[blockBufferOffset + row + 7];
+      p0 *= qt[row];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 512 >> 10;
+        p[row] = t;
+        p[row + 1] = t;
+        p[row + 2] = t;
+        p[row + 3] = t;
+        p[row + 4] = t;
+        p[row + 5] = t;
+        p[row + 6] = t;
+        p[row + 7] = t;
+        continue;
+      }
+
+      p1 *= qt[row + 1];
+      p2 *= qt[row + 2];
+      p3 *= qt[row + 3];
+      p4 *= qt[row + 4];
+      p5 *= qt[row + 5];
+      p6 *= qt[row + 6];
+      p7 *= qt[row + 7];
+      v0 = dctSqrt2 * p0 + 128 >> 8;
+      v1 = dctSqrt2 * p4 + 128 >> 8;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
+      v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
+      v5 = p3 << 4;
+      v6 = p5 << 4;
+      v0 = v0 + v1 + 1 >> 1;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p[row] = v0 + v7;
+      p[row + 7] = v0 - v7;
+      p[row + 1] = v1 + v6;
+      p[row + 6] = v1 - v6;
+      p[row + 2] = v2 + v5;
+      p[row + 5] = v2 - v5;
+      p[row + 3] = v3 + v4;
+      p[row + 4] = v3 - v4;
+    }
+
+    for (var col = 0; col < 8; ++col) {
+      p0 = p[col];
+      p1 = p[col + 8];
+      p2 = p[col + 16];
+      p3 = p[col + 24];
+      p4 = p[col + 32];
+      p5 = p[col + 40];
+      p6 = p[col + 48];
+      p7 = p[col + 56];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 8192 >> 14;
+
+        if (t < -2040) {
+          t = 0;
+        } else if (t >= 2024) {
+          t = 255;
+        } else {
+          t = t + 2056 >> 4;
+        }
+
+        blockData[blockBufferOffset + col] = t;
+        blockData[blockBufferOffset + col + 8] = t;
+        blockData[blockBufferOffset + col + 16] = t;
+        blockData[blockBufferOffset + col + 24] = t;
+        blockData[blockBufferOffset + col + 32] = t;
+        blockData[blockBufferOffset + col + 40] = t;
+        blockData[blockBufferOffset + col + 48] = t;
+        blockData[blockBufferOffset + col + 56] = t;
+        continue;
+      }
+
+      v0 = dctSqrt2 * p0 + 2048 >> 12;
+      v1 = dctSqrt2 * p4 + 2048 >> 12;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
+      v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
+      v5 = p3;
+      v6 = p5;
+      v0 = (v0 + v1 + 1 >> 1) + 4112;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p0 = v0 + v7;
+      p7 = v0 - v7;
+      p1 = v1 + v6;
+      p6 = v1 - v6;
+      p2 = v2 + v5;
+      p5 = v2 - v5;
+      p3 = v3 + v4;
+      p4 = v3 - v4;
+
+      if (p0 < 16) {
+        p0 = 0;
+      } else if (p0 >= 4080) {
+        p0 = 255;
+      } else {
+        p0 >>= 4;
+      }
+
+      if (p1 < 16) {
+        p1 = 0;
+      } else if (p1 >= 4080) {
+        p1 = 255;
+      } else {
+        p1 >>= 4;
+      }
+
+      if (p2 < 16) {
+        p2 = 0;
+      } else if (p2 >= 4080) {
+        p2 = 255;
+      } else {
+        p2 >>= 4;
+      }
+
+      if (p3 < 16) {
+        p3 = 0;
+      } else if (p3 >= 4080) {
+        p3 = 255;
+      } else {
+        p3 >>= 4;
+      }
+
+      if (p4 < 16) {
+        p4 = 0;
+      } else if (p4 >= 4080) {
+        p4 = 255;
+      } else {
+        p4 >>= 4;
+      }
+
+      if (p5 < 16) {
+        p5 = 0;
+      } else if (p5 >= 4080) {
+        p5 = 255;
+      } else {
+        p5 >>= 4;
+      }
+
+      if (p6 < 16) {
+        p6 = 0;
+      } else if (p6 >= 4080) {
+        p6 = 255;
+      } else {
+        p6 >>= 4;
+      }
+
+      if (p7 < 16) {
+        p7 = 0;
+      } else if (p7 >= 4080) {
+        p7 = 255;
+      } else {
+        p7 >>= 4;
+      }
+
+      blockData[blockBufferOffset + col] = p0;
+      blockData[blockBufferOffset + col + 8] = p1;
+      blockData[blockBufferOffset + col + 16] = p2;
+      blockData[blockBufferOffset + col + 24] = p3;
+      blockData[blockBufferOffset + col + 32] = p4;
+      blockData[blockBufferOffset + col + 40] = p5;
+      blockData[blockBufferOffset + col + 48] = p6;
+      blockData[blockBufferOffset + col + 56] = p7;
+    }
+  }
+
+  function buildComponentData(frame, component) {
+    var blocksPerLine = component.blocksPerLine;
+    var blocksPerColumn = component.blocksPerColumn;
+    var computationBuffer = new Int16Array(64);
+
+    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
+      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
+        var offset = getBlockBufferOffset(component, blockRow, blockCol);
+        quantizeAndInverse(component, offset, computationBuffer);
+      }
+    }
+
+    return component.blockData;
+  }
+
+  function findNextFileMarker(data, currentPos, startPos = currentPos) {
+    const maxPos = data.length - 1;
+    var newPos = startPos < currentPos ? startPos : currentPos;
+
+    if (currentPos >= maxPos) {
+      return null;
+    }
+
+    var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
+
+    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
+      return {
+        invalid: null,
+        marker: currentMarker,
+        offset: currentPos
+      };
+    }
+
+    var newMarker = (0, _core_utils.readUint16)(data, newPos);
+
+    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
+      if (++newPos >= maxPos) {
+        return null;
+      }
+
+      newMarker = (0, _core_utils.readUint16)(data, newPos);
+    }
+
+    return {
+      invalid: currentMarker.toString(16),
+      marker: newMarker,
+      offset: newPos
+    };
+  }
+
+  JpegImage.prototype = {
+    parse(data, {
+      dnlScanLines = null
+    } = {}) {
+      function readDataBlock() {
+        const length = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+        let endOffset = offset + length - 2;
+        var fileMarker = findNextFileMarker(data, endOffset, offset);
+
+        if (fileMarker && fileMarker.invalid) {
+          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
+          endOffset = fileMarker.offset;
+        }
+
+        var array = data.subarray(offset, endOffset);
+        offset += array.length;
+        return array;
+      }
+
+      function prepareComponents(frame) {
+        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
+        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
+
+        for (var i = 0; i < frame.components.length; i++) {
+          component = frame.components[i];
+          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
+          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
+          var blocksPerLineForMcu = mcusPerLine * component.h;
+          var blocksPerColumnForMcu = mcusPerColumn * component.v;
+          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
+          component.blockData = new Int16Array(blocksBufferSize);
+          component.blocksPerLine = blocksPerLine;
+          component.blocksPerColumn = blocksPerColumn;
+        }
+
+        frame.mcusPerLine = mcusPerLine;
+        frame.mcusPerColumn = mcusPerColumn;
+      }
+
+      var offset = 0;
+      var jfif = null;
+      var adobe = null;
+      var frame, resetInterval;
+      let numSOSMarkers = 0;
+      var quantizationTables = [];
+      var huffmanTablesAC = [],
+          huffmanTablesDC = [];
+      let fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      if (fileMarker !== 0xffd8) {
+        throw new JpegError("SOI not found");
+      }
+
+      fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      markerLoop: while (fileMarker !== 0xffd9) {
+        var i, j, l;
+
+        switch (fileMarker) {
+          case 0xffe0:
+          case 0xffe1:
+          case 0xffe2:
+          case 0xffe3:
+          case 0xffe4:
+          case 0xffe5:
+          case 0xffe6:
+          case 0xffe7:
+          case 0xffe8:
+          case 0xffe9:
+          case 0xffea:
+          case 0xffeb:
+          case 0xffec:
+          case 0xffed:
+          case 0xffee:
+          case 0xffef:
+          case 0xfffe:
+            var appData = readDataBlock();
+
+            if (fileMarker === 0xffe0) {
+              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
+                jfif = {
+                  version: {
+                    major: appData[5],
+                    minor: appData[6]
+                  },
+                  densityUnits: appData[7],
+                  xDensity: appData[8] << 8 | appData[9],
+                  yDensity: appData[10] << 8 | appData[11],
+                  thumbWidth: appData[12],
+                  thumbHeight: appData[13],
+                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                };
+              }
+            }
+
+            if (fileMarker === 0xffee) {
+              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
+                adobe = {
+                  version: appData[5] << 8 | appData[6],
+                  flags0: appData[7] << 8 | appData[8],
+                  flags1: appData[9] << 8 | appData[10],
+                  transformCode: appData[11]
+                };
+              }
+            }
+
+            break;
+
+          case 0xffdb:
+            const quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+            var z;
+
+            while (offset < quantizationTablesEnd) {
+              var quantizationTableSpec = data[offset++];
+              var tableData = new Uint16Array(64);
+
+              if (quantizationTableSpec >> 4 === 0) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = data[offset++];
+                }
+              } else if (quantizationTableSpec >> 4 === 1) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
+                  offset += 2;
+                }
+              } else {
+                throw new JpegError("DQT - invalid table spec");
+              }
+
+              quantizationTables[quantizationTableSpec & 15] = tableData;
+            }
+
+            break;
+
+          case 0xffc0:
+          case 0xffc1:
+          case 0xffc2:
+            if (frame) {
+              throw new JpegError("Only single frame JPEGs supported");
+            }
+
+            offset += 2;
+            frame = {};
+            frame.extended = fileMarker === 0xffc1;
+            frame.progressive = fileMarker === 0xffc2;
+            frame.precision = data[offset++];
+            const sofScanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.scanLines = dnlScanLines || sofScanLines;
+            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.components = [];
+            frame.componentIds = {};
+            var componentsCount = data[offset++],
+                componentId;
+            var maxH = 0,
+                maxV = 0;
+
+            for (i = 0; i < componentsCount; i++) {
+              componentId = data[offset];
+              var h = data[offset + 1] >> 4;
+              var v = data[offset + 1] & 15;
+
+              if (maxH < h) {
+                maxH = h;
+              }
+
+              if (maxV < v) {
+                maxV = v;
+              }
+
+              var qId = data[offset + 2];
+              l = frame.components.push({
+                h,
+                v,
+                quantizationId: qId,
+                quantizationTable: null
+              });
+              frame.componentIds[componentId] = l - 1;
+              offset += 3;
+            }
+
+            frame.maxH = maxH;
+            frame.maxV = maxV;
+            prepareComponents(frame);
+            break;
+
+          case 0xffc4:
+            const huffmanLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            for (i = 2; i < huffmanLength;) {
+              var huffmanTableSpec = data[offset++];
+              var codeLengths = new Uint8Array(16);
+              var codeLengthSum = 0;
+
+              for (j = 0; j < 16; j++, offset++) {
+                codeLengthSum += codeLengths[j] = data[offset];
+              }
+
+              var huffmanValues = new Uint8Array(codeLengthSum);
+
+              for (j = 0; j < codeLengthSum; j++, offset++) {
+                huffmanValues[j] = data[offset];
+              }
+
+              i += 17 + codeLengthSum;
+              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
+            }
+
+            break;
+
+          case 0xffdd:
+            offset += 2;
+            resetInterval = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            break;
+
+          case 0xffda:
+            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
+            offset += 2;
+            var selectorsCount = data[offset++];
+            var components = [],
+                component;
+
+            for (i = 0; i < selectorsCount; i++) {
+              const index = data[offset++];
+              var componentIndex = frame.componentIds[index];
+              component = frame.components[componentIndex];
+              component.index = index;
+              var tableSpec = data[offset++];
+              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+              components.push(component);
+            }
+
+            var spectralStart = data[offset++];
+            var spectralEnd = data[offset++];
+            var successiveApproximation = data[offset++];
+
+            try {
+              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
+              offset += processed;
+            } catch (ex) {
+              if (ex instanceof DNLMarkerError) {
+                (0, _util.warn)(`${ex.message} -- attempting to re-parse the JPEG image.`);
+                return this.parse(data, {
+                  dnlScanLines: ex.scanLines
+                });
+              } else if (ex instanceof EOIMarkerError) {
+                (0, _util.warn)(`${ex.message} -- ignoring the rest of the image data.`);
+                break markerLoop;
+              }
+
+              throw ex;
+            }
+
+            break;
+
+          case 0xffdc:
+            offset += 4;
+            break;
+
+          case 0xffff:
+            if (data[offset] !== 0xff) {
+              offset--;
+            }
+
+            break;
+
+          default:
+            const nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
+
+            if (nextFileMarker && nextFileMarker.invalid) {
+              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
+              offset = nextFileMarker.offset;
+              break;
+            }
+
+            if (offset >= data.length - 1) {
+              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
+              break markerLoop;
+            }
+
+            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
+        }
+
+        fileMarker = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+      }
+
+      this.width = frame.samplesPerLine;
+      this.height = frame.scanLines;
+      this.jfif = jfif;
+      this.adobe = adobe;
+      this.components = [];
+
+      for (i = 0; i < frame.components.length; i++) {
+        component = frame.components[i];
+        var quantizationTable = quantizationTables[component.quantizationId];
+
+        if (quantizationTable) {
+          component.quantizationTable = quantizationTable;
+        }
+
+        this.components.push({
+          index: component.index,
+          output: buildComponentData(frame, component),
+          scaleX: component.h / frame.maxH,
+          scaleY: component.v / frame.maxV,
+          blocksPerLine: component.blocksPerLine,
+          blocksPerColumn: component.blocksPerColumn
+        });
+      }
+
+      this.numComponents = this.components.length;
+      return undefined;
+    },
+
+    _getLinearizedBlockData(width, height, isSourcePDF = false) {
+      var scaleX = this.width / width,
+          scaleY = this.height / height;
+      var component, componentScaleX, componentScaleY, blocksPerScanline;
+      var x, y, i, j, k;
+      var index;
+      var offset = 0;
+      var output;
+      var numComponents = this.components.length;
+      var dataLength = width * height * numComponents;
+      var data = new Uint8ClampedArray(dataLength);
+      var xScaleBlockOffset = new Uint32Array(width);
+      var mask3LSB = 0xfffffff8;
+      let lastComponentScaleX;
+
+      for (i = 0; i < numComponents; i++) {
+        component = this.components[i];
+        componentScaleX = component.scaleX * scaleX;
+        componentScaleY = component.scaleY * scaleY;
+        offset = i;
+        output = component.output;
+        blocksPerScanline = component.blocksPerLine + 1 << 3;
+
+        if (componentScaleX !== lastComponentScaleX) {
+          for (x = 0; x < width; x++) {
+            j = 0 | x * componentScaleX;
+            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
+          }
+
+          lastComponentScaleX = componentScaleX;
+        }
+
+        for (y = 0; y < height; y++) {
+          j = 0 | y * componentScaleY;
+          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
+
+          for (x = 0; x < width; x++) {
+            data[offset] = output[index + xScaleBlockOffset[x]];
+            offset += numComponents;
+          }
+        }
+      }
+
+      let transform = this._decodeTransform;
+
+      if (!isSourcePDF && numComponents === 4 && !transform) {
+        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
+      }
+
+      if (transform) {
+        for (i = 0; i < dataLength;) {
+          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
+            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
+          }
+        }
+      }
+
+      return data;
+    },
+
+    get _isColorConversionNeeded() {
+      if (this.adobe) {
+        return !!this.adobe.transformCode;
+      }
+
+      if (this.numComponents === 3) {
+        if (this._colorTransform === 0) {
+          return false;
+        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
+          return false;
+        }
+
+        return true;
+      }
+
+      if (this._colorTransform === 1) {
+        return true;
+      }
+
+      return false;
+    },
+
+    _convertYccToRgb: function convertYccToRgb(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 3) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = Y - 179.456 + 1.402 * Cr;
+        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
+        data[i + 2] = Y - 226.816 + 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertYcckToRgb: function convertYcckToRgb(data) {
+      var Y, Cb, Cr, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
+        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
+        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
+      }
+
+      return data.subarray(0, offset);
+    },
+    _convertYcckToCmyk: function convertYcckToCmyk(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = 434.456 - Y - 1.402 * Cr;
+        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
+        data[i + 2] = 481.816 - Y - 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertCmykToRgb: function convertCmykToRgb(data) {
+      var c, m, y, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        c = data[i];
+        m = data[i + 1];
+        y = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
+        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
+        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
+      }
+
+      return data.subarray(0, offset);
+    },
+
+    getData({
+      width,
+      height,
+      forceRGB = false,
+      isSourcePDF = false
+    }) {
+      if (this.numComponents > 4) {
+        throw new JpegError("Unsupported color mode");
+      }
+
+      var data = this._getLinearizedBlockData(width, height, isSourcePDF);
+
+      if (this.numComponents === 1 && forceRGB) {
+        var dataLength = data.length;
+        var rgbData = new Uint8ClampedArray(dataLength * 3);
+        var offset = 0;
+
+        for (var i = 0; i < dataLength; i++) {
+          var grayColor = data[i];
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+        }
+
+        return rgbData;
+      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
+        return this._convertYccToRgb(data);
+      } else if (this.numComponents === 4) {
+        if (this._isColorConversionNeeded) {
+          if (forceRGB) {
+            return this._convertYcckToRgb(data);
+          }
+
+          return this._convertYcckToCmyk(data);
+        } else if (forceRGB) {
+          return this._convertCmykToRgb(data);
+        }
+      }
+
+      return data;
+    }
+
+  };
+  return JpegImage;
+}();
+
+exports.JpegImage = JpegImage;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxImage = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _core_utils = __w_pdfjs_require__(5);
+
+var _arithmetic_decoder = __w_pdfjs_require__(6);
+
+class JpxError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPX error: ${msg}`);
+  }
+
+}
+
+var JpxImage = function JpxImageClosure() {
+  var SubbandsGainLog2 = {
+    LL: 0,
+    LH: 1,
+    HL: 1,
+    HH: 2
+  };
+
+  function JpxImage() {
+    this.failOnCorruptedImage = false;
+  }
+
+  JpxImage.prototype = {
+    parse: function JpxImage_parse(data) {
+      var head = (0, _core_utils.readUint16)(data, 0);
+
+      if (head === 0xff4f) {
+        this.parseCodestream(data, 0, data.length);
+        return;
+      }
+
+      var position = 0,
+          length = data.length;
+
+      while (position < length) {
+        var headerSize = 8;
+        var lbox = (0, _core_utils.readUint32)(data, position);
+        var tbox = (0, _core_utils.readUint32)(data, position + 4);
+        position += headerSize;
+
+        if (lbox === 1) {
+          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
+          position += 8;
+          headerSize += 8;
+        }
+
+        if (lbox === 0) {
+          lbox = length - position + headerSize;
+        }
+
+        if (lbox < headerSize) {
+          throw new JpxError("Invalid box field size");
+        }
+
+        var dataLength = lbox - headerSize;
+        var jumpDataLength = true;
+
+        switch (tbox) {
+          case 0x6a703268:
+            jumpDataLength = false;
+            break;
+
+          case 0x636f6c72:
+            var method = data[position];
+
+            if (method === 1) {
+              var colorspace = (0, _core_utils.readUint32)(data, position + 3);
+
+              switch (colorspace) {
+                case 16:
+                case 17:
+                case 18:
+                  break;
+
+                default:
+                  (0, _util.warn)("Unknown colorspace " + colorspace);
+                  break;
+              }
+            } else if (method === 2) {
+              (0, _util.info)("ICC profile not supported");
+            }
+
+            break;
+
+          case 0x6a703263:
+            this.parseCodestream(data, position, position + dataLength);
+            break;
+
+          case 0x6a502020:
+            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
+              (0, _util.warn)("Invalid JP2 signature");
+            }
+
+            break;
+
+          case 0x6a501a1a:
+          case 0x66747970:
+          case 0x72726571:
+          case 0x72657320:
+          case 0x69686472:
+            break;
+
+          default:
+            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
+            (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
+            break;
+        }
+
+        if (jumpDataLength) {
+          position += dataLength;
+        }
+      }
+    },
+    parseImageProperties: function JpxImage_parseImageProperties(stream) {
+      var newByte = stream.getByte();
+
+      while (newByte >= 0) {
+        var oldByte = newByte;
+        newByte = stream.getByte();
+        var code = oldByte << 8 | newByte;
+
+        if (code === 0xff51) {
+          stream.skip(4);
+          var Xsiz = stream.getInt32() >>> 0;
+          var Ysiz = stream.getInt32() >>> 0;
+          var XOsiz = stream.getInt32() >>> 0;
+          var YOsiz = stream.getInt32() >>> 0;
+          stream.skip(16);
+          var Csiz = stream.getUint16();
+          this.width = Xsiz - XOsiz;
+          this.height = Ysiz - YOsiz;
+          this.componentsCount = Csiz;
+          this.bitsPerComponent = 8;
+          return;
+        }
+      }
+
+      throw new JpxError("No size marker found in JPX stream");
+    },
+    parseCodestream: function JpxImage_parseCodestream(data, start, end) {
+      var context = {};
+      var doNotRecover = false;
+
+      try {
+        var position = start;
+
+        while (position + 1 < end) {
+          var code = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          var length = 0,
+              j,
+              sqcd,
+              spqcds,
+              spqcdSize,
+              scalarExpounded,
+              tile;
+
+          switch (code) {
+            case 0xff4f:
+              context.mainHeader = true;
+              break;
+
+            case 0xffd9:
+              break;
+
+            case 0xff51:
+              length = (0, _core_utils.readUint16)(data, position);
+              var siz = {};
+              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
+              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
+              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
+              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
+              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
+              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
+              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
+              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
+              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
+              siz.Csiz = componentsCount;
+              var components = [];
+              j = position + 38;
+
+              for (var i = 0; i < componentsCount; i++) {
+                var component = {
+                  precision: (data[j] & 0x7f) + 1,
+                  isSigned: !!(data[j] & 0x80),
+                  XRsiz: data[j + 1],
+                  YRsiz: data[j + 2]
+                };
+                j += 3;
+                calculateComponentDimensions(component, siz);
+                components.push(component);
+              }
+
+              context.SIZ = siz;
+              context.components = components;
+              calculateTileGrids(context, components);
+              context.QCC = [];
+              context.COC = [];
+              break;
+
+            case 0xff5c:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcd = {};
+              j = position + 2;
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcd.noQuantization = spqcdSize === 8;
+              qcd.scalarExpounded = scalarExpounded;
+              qcd.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                var spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcd.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCD = qcd;
+              } else {
+                context.currentTile.QCD = qcd;
+                context.currentTile.QCC = [];
+              }
+
+              break;
+
+            case 0xff5d:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcc = {};
+              j = position + 2;
+              var cqcc;
+
+              if (context.SIZ.Csiz < 257) {
+                cqcc = data[j++];
+              } else {
+                cqcc = (0, _core_utils.readUint16)(data, j);
+                j += 2;
+              }
+
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcc.noQuantization = spqcdSize === 8;
+              qcc.scalarExpounded = scalarExpounded;
+              qcc.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcc.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCC[cqcc] = qcc;
+              } else {
+                context.currentTile.QCC[cqcc] = qcc;
+              }
+
+              break;
+
+            case 0xff52:
+              length = (0, _core_utils.readUint16)(data, position);
+              var cod = {};
+              j = position + 2;
+              var scod = data[j++];
+              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+              cod.sopMarkerUsed = !!(scod & 2);
+              cod.ephMarkerUsed = !!(scod & 4);
+              cod.progressionOrder = data[j++];
+              cod.layersCount = (0, _core_utils.readUint16)(data, j);
+              j += 2;
+              cod.multipleComponentTransform = data[j++];
+              cod.decompositionLevelsCount = data[j++];
+              cod.xcb = (data[j++] & 0xf) + 2;
+              cod.ycb = (data[j++] & 0xf) + 2;
+              var blockStyle = data[j++];
+              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+              cod.resetContextProbabilities = !!(blockStyle & 2);
+              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+              cod.verticallyStripe = !!(blockStyle & 8);
+              cod.predictableTermination = !!(blockStyle & 16);
+              cod.segmentationSymbolUsed = !!(blockStyle & 32);
+              cod.reversibleTransformation = data[j++];
+
+              if (cod.entropyCoderWithCustomPrecincts) {
+                var precinctsSizes = [];
+
+                while (j < length + position) {
+                  var precinctsSize = data[j++];
+                  precinctsSizes.push({
+                    PPx: precinctsSize & 0xf,
+                    PPy: precinctsSize >> 4
+                  });
+                }
+
+                cod.precinctsSizes = precinctsSizes;
+              }
+
+              var unsupported = [];
+
+              if (cod.selectiveArithmeticCodingBypass) {
+                unsupported.push("selectiveArithmeticCodingBypass");
+              }
+
+              if (cod.resetContextProbabilities) {
+                unsupported.push("resetContextProbabilities");
+              }
+
+              if (cod.terminationOnEachCodingPass) {
+                unsupported.push("terminationOnEachCodingPass");
+              }
+
+              if (cod.verticallyStripe) {
+                unsupported.push("verticallyStripe");
+              }
+
+              if (cod.predictableTermination) {
+                unsupported.push("predictableTermination");
+              }
+
+              if (unsupported.length > 0) {
+                doNotRecover = true;
+                throw new Error("Unsupported COD options (" + unsupported.join(", ") + ")");
+              }
+
+              if (context.mainHeader) {
+                context.COD = cod;
+              } else {
+                context.currentTile.COD = cod;
+                context.currentTile.COC = [];
+              }
+
+              break;
+
+            case 0xff90:
+              length = (0, _core_utils.readUint16)(data, position);
+              tile = {};
+              tile.index = (0, _core_utils.readUint16)(data, position + 2);
+              tile.length = (0, _core_utils.readUint32)(data, position + 4);
+              tile.dataEnd = tile.length + position - 2;
+              tile.partIndex = data[position + 8];
+              tile.partsCount = data[position + 9];
+              context.mainHeader = false;
+
+              if (tile.partIndex === 0) {
+                tile.COD = context.COD;
+                tile.COC = context.COC.slice(0);
+                tile.QCD = context.QCD;
+                tile.QCC = context.QCC.slice(0);
+              }
+
+              context.currentTile = tile;
+              break;
+
+            case 0xff93:
+              tile = context.currentTile;
+
+              if (tile.partIndex === 0) {
+                initializeTile(context, tile.index);
+                buildPackets(context);
+              }
+
+              length = tile.dataEnd - position;
+              parseTilePackets(context, data, position, length);
+              break;
+
+            case 0xff55:
+            case 0xff57:
+            case 0xff58:
+            case 0xff64:
+              length = (0, _core_utils.readUint16)(data, position);
+              break;
+
+            case 0xff53:
+              throw new Error("Codestream code 0xFF53 (COC) is not implemented");
+
+            default:
+              throw new Error("Unknown codestream code: " + code.toString(16));
+          }
+
+          position += length;
+        }
+      } catch (e) {
+        if (doNotRecover || this.failOnCorruptedImage) {
+          throw new JpxError(e.message);
+        } else {
+          (0, _util.warn)("JPX: Trying to recover from: " + e.message);
+        }
+      }
+
+      this.tiles = transformComponents(context);
+      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
+      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
+      this.componentsCount = context.SIZ.Csiz;
+    }
+  };
+
+  function calculateComponentDimensions(component, siz) {
+    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
+    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
+    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
+    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
+    component.width = component.x1 - component.x0;
+    component.height = component.y1 - component.y0;
+  }
+
+  function calculateTileGrids(context, components) {
+    var siz = context.SIZ;
+    var tile,
+        tiles = [];
+    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
+    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
+
+    for (var q = 0; q < numYtiles; q++) {
+      for (var p = 0; p < numXtiles; p++) {
+        tile = {};
+        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
+        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
+        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
+        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
+        tile.width = tile.tx1 - tile.tx0;
+        tile.height = tile.ty1 - tile.ty0;
+        tile.components = [];
+        tiles.push(tile);
+      }
+    }
+
+    context.tiles = tiles;
+    var componentsCount = siz.Csiz;
+
+    for (var i = 0, ii = componentsCount; i < ii; i++) {
+      var component = components[i];
+
+      for (var j = 0, jj = tiles.length; j < jj; j++) {
+        var tileComponent = {};
+        tile = tiles[j];
+        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
+        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
+        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
+        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
+        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
+        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
+        tile.components[i] = tileComponent;
+      }
+    }
+  }
+
+  function getBlocksDimensions(context, component, r) {
+    var codOrCoc = component.codingStyleParameters;
+    var result = {};
+
+    if (!codOrCoc.entropyCoderWithCustomPrecincts) {
+      result.PPx = 15;
+      result.PPy = 15;
+    } else {
+      result.PPx = codOrCoc.precinctsSizes[r].PPx;
+      result.PPy = codOrCoc.precinctsSizes[r].PPy;
+    }
+
+    result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
+    result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
+    return result;
+  }
+
+  function buildPrecincts(context, resolution, dimensions) {
+    var precinctWidth = 1 << dimensions.PPx;
+    var precinctHeight = 1 << dimensions.PPy;
+    var isZeroRes = resolution.resLevel === 0;
+    var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
+    var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
+    var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
+    var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
+    var numprecincts = numprecinctswide * numprecinctshigh;
+    resolution.precinctParameters = {
+      precinctWidth,
+      precinctHeight,
+      numprecinctswide,
+      numprecinctshigh,
+      numprecincts,
+      precinctWidthInSubband,
+      precinctHeightInSubband
+    };
+  }
+
+  function buildCodeblocks(context, subband, dimensions) {
+    var xcb_ = dimensions.xcb_;
+    var ycb_ = dimensions.ycb_;
+    var codeblockWidth = 1 << xcb_;
+    var codeblockHeight = 1 << ycb_;
+    var cbx0 = subband.tbx0 >> xcb_;
+    var cby0 = subband.tby0 >> ycb_;
+    var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
+    var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
+    var precinctParameters = subband.resolution.precinctParameters;
+    var codeblocks = [];
+    var precincts = [];
+    var i, j, codeblock, precinctNumber;
+
+    for (j = cby0; j < cby1; j++) {
+      for (i = cbx0; i < cbx1; i++) {
+        codeblock = {
+          cbx: i,
+          cby: j,
+          tbx0: codeblockWidth * i,
+          tby0: codeblockHeight * j,
+          tbx1: codeblockWidth * (i + 1),
+          tby1: codeblockHeight * (j + 1)
+        };
+        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
+        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
+        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
+        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
+        var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
+        var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
+        precinctNumber = pi + pj * precinctParameters.numprecinctswide;
+        codeblock.precinctNumber = precinctNumber;
+        codeblock.subbandType = subband.type;
+        codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
+
+        codeblocks.push(codeblock);
+        var precinct = precincts[precinctNumber];
+
+        if (precinct !== undefined) {
+          if (i < precinct.cbxMin) {
+            precinct.cbxMin = i;
+          } else if (i > precinct.cbxMax) {
+            precinct.cbxMax = i;
+          }
+
+          if (j < precinct.cbyMin) {
+            precinct.cbxMin = j;
+          } else if (j > precinct.cbyMax) {
+            precinct.cbyMax = j;
+          }
+        } else {
+          precincts[precinctNumber] = precinct = {
+            cbxMin: i,
+            cbyMin: j,
+            cbxMax: i,
+            cbyMax: j
+          };
+        }
+
+        codeblock.precinct = precinct;
+      }
+    }
+
+    subband.codeblockParameters = {
+      codeblockWidth: xcb_,
+      codeblockHeight: ycb_,
+      numcodeblockwide: cbx1 - cbx0 + 1,
+      numcodeblockhigh: cby1 - cby0 + 1
+    };
+    subband.codeblocks = codeblocks;
+    subband.precincts = precincts;
+  }
+
+  function createPacket(resolution, precinctNumber, layerNumber) {
+    var precinctCodeblocks = [];
+    var subbands = resolution.subbands;
+
+    for (var i = 0, ii = subbands.length; i < ii; i++) {
+      var subband = subbands[i];
+      var codeblocks = subband.codeblocks;
+
+      for (var j = 0, jj = codeblocks.length; j < jj; j++) {
+        var codeblock = codeblocks[j];
+
+        if (codeblock.precinctNumber !== precinctNumber) {
+          continue;
+        }
+
+        precinctCodeblocks.push(codeblock);
+      }
+    }
+
+    return {
+      layerNumber,
+      codeblocks: precinctCodeblocks
+    };
+  }
+
+  function LayerResolutionComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var l = 0,
+        r = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; l < layersCount; l++) {
+        for (; r <= maxDecompositionLevelsCount; r++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        r = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionLayerComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var r = 0,
+        l = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; l < layersCount; l++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        l = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionPositionComponentLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var l, r, c, p;
+    var maxDecompositionLevelsCount = 0;
+
+    for (c = 0; c < componentsCount; c++) {
+      const component = tile.components[c];
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
+
+    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
+      var maxNumPrecincts = 0;
+
+      for (c = 0; c < componentsCount; ++c) {
+        var resolutions = tile.components[c].resolutions;
+
+        if (r < resolutions.length) {
+          maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
+        }
+      }
+
+      maxNumPrecinctsInLevel[r] = maxNumPrecincts;
+    }
+
+    l = 0;
+    r = 0;
+    c = 0;
+    p = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; p < maxNumPrecinctsInLevel[r]; p++) {
+          for (; c < componentsCount; c++) {
+            const component = tile.components[c];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            if (p >= numprecincts) {
+              continue;
+            }
+
+            for (; l < layersCount;) {
+              var packet = createPacket(resolution, p, l);
+              l++;
+              return packet;
+            }
+
+            l = 0;
+          }
+
+          c = 0;
+        }
+
+        p = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function PositionComponentResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var precinctsIterationSizes = precinctsSizes;
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+          for (; c < componentsCount; c++) {
+            var component = tile.components[c];
+            var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          c = 0;
+        }
+
+        px = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ComponentPositionResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; c < componentsCount; ++c) {
+        var component = tile.components[c];
+        var precinctsIterationSizes = precinctsSizes.components[c];
+        var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+        for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+          for (; px < precinctsIterationSizes.maxNumWide; px++) {
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsIterationSizes.resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          px = 0;
+        }
+
+        py = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
+    var posX = pxIndex * precinctIterationSizes.minWidth;
+    var posY = pyIndex * precinctIterationSizes.minHeight;
+
+    if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
+      return null;
+    }
+
+    var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
+    return posX / sizeInImageScale.height + startPrecinctRowIndex;
+  }
+
+  function getPrecinctSizesInImageScale(tile) {
+    var componentsCount = tile.components.length;
+    var minWidth = Number.MAX_VALUE;
+    var minHeight = Number.MAX_VALUE;
+    var maxNumWide = 0;
+    var maxNumHigh = 0;
+    var sizePerComponent = new Array(componentsCount);
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var sizePerResolution = new Array(decompositionLevelsCount + 1);
+      var minWidthCurrentComponent = Number.MAX_VALUE;
+      var minHeightCurrentComponent = Number.MAX_VALUE;
+      var maxNumWideCurrentComponent = 0;
+      var maxNumHighCurrentComponent = 0;
+      var scale = 1;
+
+      for (var r = decompositionLevelsCount; r >= 0; --r) {
+        var resolution = component.resolutions[r];
+        var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
+        var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
+        minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
+        minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
+        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
+        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
+        sizePerResolution[r] = {
+          width: widthCurrentResolution,
+          height: heightCurrentResolution
+        };
+        scale <<= 1;
+      }
+
+      minWidth = Math.min(minWidth, minWidthCurrentComponent);
+      minHeight = Math.min(minHeight, minHeightCurrentComponent);
+      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
+      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
+      sizePerComponent[c] = {
+        resolutions: sizePerResolution,
+        minWidth: minWidthCurrentComponent,
+        minHeight: minHeightCurrentComponent,
+        maxNumWide: maxNumWideCurrentComponent,
+        maxNumHigh: maxNumHighCurrentComponent
+      };
+    }
+
+    return {
+      components: sizePerComponent,
+      minWidth,
+      minHeight,
+      maxNumWide,
+      maxNumHigh
+    };
+  }
+
+  function buildPackets(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var componentsCount = siz.Csiz;
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var resolutions = [];
+      var subbands = [];
+
+      for (var r = 0; r <= decompositionLevelsCount; r++) {
+        var blocksDimensions = getBlocksDimensions(context, component, r);
+        var resolution = {};
+        var scale = 1 << decompositionLevelsCount - r;
+        resolution.trx0 = Math.ceil(component.tcx0 / scale);
+        resolution.try0 = Math.ceil(component.tcy0 / scale);
+        resolution.trx1 = Math.ceil(component.tcx1 / scale);
+        resolution.try1 = Math.ceil(component.tcy1 / scale);
+        resolution.resLevel = r;
+        buildPrecincts(context, resolution, blocksDimensions);
+        resolutions.push(resolution);
+        var subband;
+
+        if (r === 0) {
+          subband = {};
+          subband.type = "LL";
+          subband.tbx0 = Math.ceil(component.tcx0 / scale);
+          subband.tby0 = Math.ceil(component.tcy0 / scale);
+          subband.tbx1 = Math.ceil(component.tcx1 / scale);
+          subband.tby1 = Math.ceil(component.tcy1 / scale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolution.subbands = [subband];
+        } else {
+          var bscale = 1 << decompositionLevelsCount - r + 1;
+          var resolutionSubbands = [];
+          subband = {};
+          subband.type = "HL";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "LH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "HH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          resolution.subbands = resolutionSubbands;
+        }
+      }
+
+      component.resolutions = resolutions;
+      component.subbands = subbands;
+    }
+
+    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
+
+    switch (progressionOrder) {
+      case 0:
+        tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+        break;
+
+      case 1:
+        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+        break;
+
+      case 2:
+        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+        break;
+
+      case 3:
+        tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+        break;
+
+      case 4:
+        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+        break;
+
+      default:
+        throw new JpxError(`Unsupported progression order ${progressionOrder}`);
+    }
+  }
+
+  function parseTilePackets(context, data, offset, dataLength) {
+    var position = 0;
+    var buffer,
+        bufferSize = 0,
+        skipNextBit = false;
+
+    function readBits(count) {
+      while (bufferSize < count) {
+        var b = data[offset + position];
+        position++;
+
+        if (skipNextBit) {
+          buffer = buffer << 7 | b;
+          bufferSize += 7;
+          skipNextBit = false;
+        } else {
+          buffer = buffer << 8 | b;
+          bufferSize += 8;
+        }
+
+        if (b === 0xff) {
+          skipNextBit = true;
+        }
+      }
+
+      bufferSize -= count;
+      return buffer >>> bufferSize & (1 << count) - 1;
+    }
+
+    function skipMarkerIfEqual(value) {
+      if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
+        skipBytes(1);
+        return true;
+      } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
+        skipBytes(2);
+        return true;
+      }
+
+      return false;
+    }
+
+    function skipBytes(count) {
+      position += count;
+    }
+
+    function alignToByte() {
+      bufferSize = 0;
+
+      if (skipNextBit) {
+        position++;
+        skipNextBit = false;
+      }
+    }
+
+    function readCodingpasses() {
+      if (readBits(1) === 0) {
+        return 1;
+      }
+
+      if (readBits(1) === 0) {
+        return 2;
+      }
+
+      var value = readBits(2);
+
+      if (value < 3) {
+        return value + 3;
+      }
+
+      value = readBits(5);
+
+      if (value < 31) {
+        return value + 6;
+      }
+
+      value = readBits(7);
+      return value + 37;
+    }
+
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var sopMarkerUsed = context.COD.sopMarkerUsed;
+    var ephMarkerUsed = context.COD.ephMarkerUsed;
+    var packetsIterator = tile.packetsIterator;
+
+    while (position < dataLength) {
+      alignToByte();
+
+      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
+        skipBytes(4);
+      }
+
+      var packet = packetsIterator.nextPacket();
+
+      if (!readBits(1)) {
+        continue;
+      }
+
+      var layerNumber = packet.layerNumber;
+      var queue = [],
+          codeblock;
+
+      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
+        codeblock = packet.codeblocks[i];
+        var precinct = codeblock.precinct;
+        var codeblockColumn = codeblock.cbx - precinct.cbxMin;
+        var codeblockRow = codeblock.cby - precinct.cbyMin;
+        var codeblockIncluded = false;
+        var firstTimeInclusion = false;
+        var valueReady;
+
+        if (codeblock.included !== undefined) {
+          codeblockIncluded = !!readBits(1);
+        } else {
+          precinct = codeblock.precinct;
+          var inclusionTree, zeroBitPlanesTree;
+
+          if (precinct.inclusionTree !== undefined) {
+            inclusionTree = precinct.inclusionTree;
+          } else {
+            var width = precinct.cbxMax - precinct.cbxMin + 1;
+            var height = precinct.cbyMax - precinct.cbyMin + 1;
+            inclusionTree = new InclusionTree(width, height, layerNumber);
+            zeroBitPlanesTree = new TagTree(width, height);
+            precinct.inclusionTree = inclusionTree;
+            precinct.zeroBitPlanesTree = zeroBitPlanesTree;
+          }
+
+          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
+            while (true) {
+              if (readBits(1)) {
+                valueReady = !inclusionTree.nextLevel();
+
+                if (valueReady) {
+                  codeblock.included = true;
+                  codeblockIncluded = firstTimeInclusion = true;
+                  break;
+                }
+              } else {
+                inclusionTree.incrementValue(layerNumber);
+                break;
+              }
+            }
+          }
+        }
+
+        if (!codeblockIncluded) {
+          continue;
+        }
+
+        if (firstTimeInclusion) {
+          zeroBitPlanesTree = precinct.zeroBitPlanesTree;
+          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
+
+          while (true) {
+            if (readBits(1)) {
+              valueReady = !zeroBitPlanesTree.nextLevel();
+
+              if (valueReady) {
+                break;
+              }
+            } else {
+              zeroBitPlanesTree.incrementValue();
+            }
+          }
+
+          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
+        }
+
+        var codingpasses = readCodingpasses();
+
+        while (readBits(1)) {
+          codeblock.Lblock++;
+        }
+
+        var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
+        var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
+        var codedDataLength = readBits(bits);
+        queue.push({
+          codeblock,
+          codingpasses,
+          dataLength: codedDataLength
+        });
+      }
+
+      alignToByte();
+
+      if (ephMarkerUsed) {
+        skipMarkerIfEqual(0x92);
+      }
+
+      while (queue.length > 0) {
+        var packetItem = queue.shift();
+        codeblock = packetItem.codeblock;
+
+        if (codeblock.data === undefined) {
+          codeblock.data = [];
+        }
+
+        codeblock.data.push({
+          data,
+          start: offset + position,
+          end: offset + position + packetItem.dataLength,
+          codingpasses: packetItem.codingpasses
+        });
+        position += packetItem.dataLength;
+      }
+    }
+
+    return position;
+  }
+
+  function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
+    var x0 = subband.tbx0;
+    var y0 = subband.tby0;
+    var width = subband.tbx1 - subband.tbx0;
+    var codeblocks = subband.codeblocks;
+    var right = subband.type.charAt(0) === "H" ? 1 : 0;
+    var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
+
+    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
+      var codeblock = codeblocks[i];
+      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
+      var blockHeight = codeblock.tby1_ - codeblock.tby0_;
+
+      if (blockWidth === 0 || blockHeight === 0) {
+        continue;
+      }
+
+      if (codeblock.data === undefined) {
+        continue;
+      }
+
+      var bitModel, currentCodingpassType;
+      bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
+      currentCodingpassType = 2;
+      var data = codeblock.data,
+          totalLength = 0,
+          codingpasses = 0;
+      var j, jj, dataItem;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        totalLength += dataItem.end - dataItem.start;
+        codingpasses += dataItem.codingpasses;
+      }
+
+      var encodedData = new Uint8Array(totalLength);
+      var position = 0;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
+        encodedData.set(chunk, position);
+        position += chunk.length;
+      }
+
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
+      bitModel.setDecoder(decoder);
+
+      for (j = 0; j < codingpasses; j++) {
+        switch (currentCodingpassType) {
+          case 0:
+            bitModel.runSignificancePropagationPass();
+            break;
+
+          case 1:
+            bitModel.runMagnitudeRefinementPass();
+            break;
+
+          case 2:
+            bitModel.runCleanupPass();
+
+            if (segmentationSymbolUsed) {
+              bitModel.checkSegmentationSymbol();
+            }
+
+            break;
+        }
+
+        currentCodingpassType = (currentCodingpassType + 1) % 3;
+      }
+
+      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
+      var sign = bitModel.coefficentsSign;
+      var magnitude = bitModel.coefficentsMagnitude;
+      var bitsDecoded = bitModel.bitsDecoded;
+      var magnitudeCorrection = reversible ? 0 : 0.5;
+      var k, n, nb;
+      position = 0;
+      var interleave = subband.type !== "LL";
+
+      for (j = 0; j < blockHeight; j++) {
+        var row = offset / width | 0;
+        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
+
+        for (k = 0; k < blockWidth; k++) {
+          n = magnitude[position];
+
+          if (n !== 0) {
+            n = (n + magnitudeCorrection) * delta;
+
+            if (sign[position] !== 0) {
+              n = -n;
+            }
+
+            nb = bitsDecoded[position];
+            var pos = interleave ? levelOffset + (offset << 1) : offset;
+
+            if (reversible && nb >= mb) {
+              coefficients[pos] = n;
+            } else {
+              coefficients[pos] = n * (1 << mb - nb);
+            }
+          }
+
+          offset++;
+          position++;
+        }
+
+        offset += width - blockWidth;
+      }
+    }
+  }
+
+  function transformTile(context, tile, c) {
+    var component = tile.components[c];
+    var codingStyleParameters = component.codingStyleParameters;
+    var quantizationParameters = component.quantizationParameters;
+    var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
+    var spqcds = quantizationParameters.SPqcds;
+    var scalarExpounded = quantizationParameters.scalarExpounded;
+    var guardBits = quantizationParameters.guardBits;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
+    var precision = context.components[c].precision;
+    var reversible = codingStyleParameters.reversibleTransformation;
+    var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
+    var subbandCoefficients = [];
+    var b = 0;
+
+    for (var i = 0; i <= decompositionLevelsCount; i++) {
+      var resolution = component.resolutions[i];
+      var width = resolution.trx1 - resolution.trx0;
+      var height = resolution.try1 - resolution.try0;
+      var coefficients = new Float32Array(width * height);
+
+      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
+        var mu, epsilon;
+
+        if (!scalarExpounded) {
+          mu = spqcds[0].mu;
+          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
+        } else {
+          mu = spqcds[b].mu;
+          epsilon = spqcds[b].epsilon;
+          b++;
+        }
+
+        var subband = resolution.subbands[j];
+        var gainLog2 = SubbandsGainLog2[subband.type];
+        var delta = reversible ? 1 : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);
+        var mb = guardBits + epsilon - 1;
+        copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
+      }
+
+      subbandCoefficients.push({
+        width,
+        height,
+        items: coefficients
+      });
+    }
+
+    var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
+    return {
+      left: component.tcx0,
+      top: component.tcy0,
+      width: result.width,
+      height: result.height,
+      items: result.items
+    };
+  }
+
+  function transformComponents(context) {
+    var siz = context.SIZ;
+    var components = context.components;
+    var componentsCount = siz.Csiz;
+    var resultImages = [];
+
+    for (var i = 0, ii = context.tiles.length; i < ii; i++) {
+      var tile = context.tiles[i];
+      var transformedTiles = [];
+      var c;
+
+      for (c = 0; c < componentsCount; c++) {
+        transformedTiles[c] = transformTile(context, tile, c);
+      }
+
+      var tile0 = transformedTiles[0];
+      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
+      var result = {
+        left: tile0.left,
+        top: tile0.top,
+        width: tile0.width,
+        height: tile0.height,
+        items: out
+      };
+      var shift, offset;
+      var pos = 0,
+          j,
+          jj,
+          y0,
+          y1,
+          y2;
+
+      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
+        var fourComponents = componentsCount === 4;
+        var y0items = transformedTiles[0].items;
+        var y1items = transformedTiles[1].items;
+        var y2items = transformedTiles[2].items;
+        var y3items = fourComponents ? transformedTiles[3].items : null;
+        shift = components[0].precision - 8;
+        offset = (128 << shift) + 0.5;
+        var component0 = tile.components[0];
+        var alpha01 = componentsCount - 3;
+        jj = y0items.length;
+
+        if (!component0.codingStyleParameters.reversibleTransformation) {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            out[pos++] = y0 + 1.402 * y2 >> shift;
+            out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
+            out[pos++] = y0 + 1.772 * y1 >> shift;
+          }
+        } else {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            const g = y0 - (y2 + y1 >> 2);
+            out[pos++] = g + y2 >> shift;
+            out[pos++] = g >> shift;
+            out[pos++] = g + y1 >> shift;
+          }
+        }
+
+        if (fourComponents) {
+          for (j = 0, pos = 3; j < jj; j++, pos += 4) {
+            out[pos] = y3items[j] + offset >> shift;
+          }
+        }
+      } else {
+        for (c = 0; c < componentsCount; c++) {
+          var items = transformedTiles[c].items;
+          shift = components[c].precision - 8;
+          offset = (128 << shift) + 0.5;
+
+          for (pos = c, j = 0, jj = items.length; j < jj; j++) {
+            out[pos] = items[j] + offset >> shift;
+            pos += componentsCount;
+          }
+        }
+      }
+
+      resultImages.push(result);
+    }
+
+    return resultImages;
+  }
+
+  function initializeTile(context, tileIndex) {
+    var siz = context.SIZ;
+    var componentsCount = siz.Csiz;
+    var tile = context.tiles[tileIndex];
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
+      component.quantizationParameters = qcdOrQcc;
+      var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
+      component.codingStyleParameters = codOrCoc;
+    }
+
+    tile.codingStyleDefaultParameters = context.currentTile.COD;
+  }
+
+  var TagTree = function TagTreeClosure() {
+    function TagTree(width, height) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var level = {
+          width,
+          height,
+          items: []
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    TagTree.prototype = {
+      reset: function TagTree_reset(i, j) {
+        var currentLevel = 0,
+            value = 0,
+            level;
+
+        while (currentLevel < this.levels.length) {
+          level = this.levels[currentLevel];
+          var index = i + j * level.width;
+
+          if (level.items[index] !== undefined) {
+            value = level.items[index];
+            break;
+          }
+
+          level.index = index;
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        currentLevel--;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        this.currentLevel = currentLevel;
+        delete this.value;
+      },
+      incrementValue: function TagTree_incrementValue() {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index]++;
+      },
+      nextLevel: function TagTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          this.value = value;
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return TagTree;
+  }();
+
+  var InclusionTree = function InclusionTreeClosure() {
+    function InclusionTree(width, height, defaultValue) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var items = new Uint8Array(width * height);
+
+        for (var j = 0, jj = items.length; j < jj; j++) {
+          items[j] = defaultValue;
+        }
+
+        var level = {
+          width,
+          height,
+          items
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    InclusionTree.prototype = {
+      reset: function InclusionTree_reset(i, j, stopValue) {
+        var currentLevel = 0;
+
+        while (currentLevel < this.levels.length) {
+          var level = this.levels[currentLevel];
+          var index = i + j * level.width;
+          level.index = index;
+          var value = level.items[index];
+
+          if (value === 0xff) {
+            break;
+          }
+
+          if (value > stopValue) {
+            this.currentLevel = currentLevel;
+            this.propagateValues();
+            return false;
+          }
+
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        this.currentLevel = currentLevel - 1;
+        return true;
+      },
+      incrementValue: function InclusionTree_incrementValue(stopValue) {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index] = stopValue + 1;
+        this.propagateValues();
+      },
+      propagateValues: function InclusionTree_propagateValues() {
+        var levelIndex = this.currentLevel;
+        var level = this.levels[levelIndex];
+        var currentValue = level.items[level.index];
+
+        while (--levelIndex >= 0) {
+          level = this.levels[levelIndex];
+          level.items[level.index] = currentValue;
+        }
+      },
+      nextLevel: function InclusionTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        level.items[level.index] = 0xff;
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return InclusionTree;
+  }();
+
+  var BitModel = function BitModelClosure() {
+    var UNIFORM_CONTEXT = 17;
+    var RUNLENGTH_CONTEXT = 18;
+    var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+    var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+    var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
+
+    function BitModel(width, height, subband, zeroBitPlanes, mb) {
+      this.width = width;
+      this.height = height;
+      let contextLabelTable;
+
+      if (subband === "HH") {
+        contextLabelTable = HHContextLabel;
+      } else if (subband === "HL") {
+        contextLabelTable = HLContextLabel;
+      } else {
+        contextLabelTable = LLAndLHContextsLabel;
+      }
+
+      this.contextLabelTable = contextLabelTable;
+      var coefficientCount = width * height;
+      this.neighborsSignificance = new Uint8Array(coefficientCount);
+      this.coefficentsSign = new Uint8Array(coefficientCount);
+      let coefficentsMagnitude;
+
+      if (mb > 14) {
+        coefficentsMagnitude = new Uint32Array(coefficientCount);
+      } else if (mb > 6) {
+        coefficentsMagnitude = new Uint16Array(coefficientCount);
+      } else {
+        coefficentsMagnitude = new Uint8Array(coefficientCount);
+      }
+
+      this.coefficentsMagnitude = coefficentsMagnitude;
+      this.processingFlags = new Uint8Array(coefficientCount);
+      var bitsDecoded = new Uint8Array(coefficientCount);
+
+      if (zeroBitPlanes !== 0) {
+        for (var i = 0; i < coefficientCount; i++) {
+          bitsDecoded[i] = zeroBitPlanes;
+        }
+      }
+
+      this.bitsDecoded = bitsDecoded;
+      this.reset();
+    }
+
+    BitModel.prototype = {
+      setDecoder: function BitModel_setDecoder(decoder) {
+        this.decoder = decoder;
+      },
+      reset: function BitModel_reset() {
+        this.contexts = new Int8Array(19);
+        this.contexts[0] = 4 << 1 | 0;
+        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
+        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
+      },
+      setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
+        var neighborsSignificance = this.neighborsSignificance;
+        var width = this.width,
+            height = this.height;
+        var left = column > 0;
+        var right = column + 1 < width;
+        var i;
+
+        if (row > 0) {
+          i = index - width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (row + 1 < height) {
+          i = index + width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (left) {
+          neighborsSignificance[index - 1] += 0x01;
+        }
+
+        if (right) {
+          neighborsSignificance[index + 1] += 0x01;
+        }
+
+        neighborsSignificance[index] |= 0x80;
+      },
+      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var neighborsSignificance = this.neighborsSignificance;
+        var processingFlags = this.processingFlags;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processedInverseMask = ~1;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+
+        for (var i0 = 0; i0 < height; i0 += 4) {
+          for (var j = 0; j < width; j++) {
+            var index = i0 * width + j;
+
+            for (var i1 = 0; i1 < 4; i1++, index += width) {
+              var i = i0 + i1;
+
+              if (i >= height) {
+                break;
+              }
+
+              processingFlags[index] &= processedInverseMask;
+
+              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision) {
+                var sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contribution, sign0, sign1, significance1;
+        var contextLabel, decoded;
+        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
+
+        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
+          sign1 = coefficentsSign[index + 1];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - 1];
+            contribution = 1 - sign1 - sign0;
+          } else {
+            contribution = 1 - sign1 - sign1;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - 1];
+          contribution = 1 - sign0 - sign0;
+        } else {
+          contribution = 0;
+        }
+
+        var horizontalContribution = 3 * contribution;
+        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
+
+        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
+          sign1 = coefficentsSign[index + width];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - width];
+            contribution = 1 - sign1 - sign0 + horizontalContribution;
+          } else {
+            contribution = 1 - sign1 - sign1 + horizontalContribution;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - width];
+          contribution = 1 - sign0 - sign0 + horizontalContribution;
+        } else {
+          contribution = horizontalContribution;
+        }
+
+        if (contribution >= 0) {
+          contextLabel = 9 + contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel);
+        } else {
+          contextLabel = 9 - contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
+        }
+
+        return decoded;
+      },
+      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var neighborsSignificance = this.neighborsSignificance;
+        var contexts = this.contexts;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var length = width * height;
+        var width4 = width * 4;
+
+        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
+          indexNext = Math.min(length, index0 + width4);
+
+          for (var j = 0; j < width; j++) {
+            for (var index = index0 + j; index < indexNext; index += width) {
+              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = 16;
+
+              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
+                processingFlags[index] ^= firstMagnitudeBitMask;
+                var significance = neighborsSignificance[index] & 127;
+                contextLabel = significance === 0 ? 15 : 14;
+              }
+
+              var bit = decoder.readBit(contexts, contextLabel);
+              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      runCleanupPass: function BitModel_runCleanupPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var neighborsSignificance = this.neighborsSignificance;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var oneRowDown = width;
+        var twoRowsDown = width * 2;
+        var threeRowsDown = width * 3;
+        var iNext;
+
+        for (var i0 = 0; i0 < height; i0 = iNext) {
+          iNext = Math.min(i0 + 4, height);
+          var indexBase = i0 * width;
+          var checkAllEmpty = i0 + 3 < height;
+
+          for (var j = 0; j < width; j++) {
+            var index0 = indexBase + j;
+            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
+            var i1 = 0,
+                index = index0;
+            var i = i0,
+                sign;
+
+            if (allEmpty) {
+              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
+
+              if (!hasSignificantCoefficent) {
+                bitsDecoded[index0]++;
+                bitsDecoded[index0 + oneRowDown]++;
+                bitsDecoded[index0 + twoRowsDown]++;
+                bitsDecoded[index0 + threeRowsDown]++;
+                continue;
+              }
+
+              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+              if (i1 !== 0) {
+                i = i0 + i1;
+                index += i1 * width;
+              }
+
+              sign = this.decodeSignBit(i, j, index);
+              coefficentsSign[index] = sign;
+              coefficentsMagnitude[index] = 1;
+              this.setNeighborsSignificance(i, j, index);
+              processingFlags[index] |= firstMagnitudeBitMask;
+              index = index0;
+
+              for (var i2 = i0; i2 <= i; i2++, index += width) {
+                bitsDecoded[index]++;
+              }
+
+              i1++;
+            }
+
+            for (i = i0 + i1; i < iNext; i++, index += width) {
+              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision === 1) {
+                sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+            }
+          }
+        }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var contexts = this.contexts;
+        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+        if (symbol !== 0xa) {
+          throw new JpxError("Invalid segmentation symbol");
+        }
+      }
+    };
+    return BitModel;
+  }();
+
+  var Transform = function TransformClosure() {
+    function Transform() {}
+
+    Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
+      var ll = subbands[0];
+
+      for (var i = 1, ii = subbands.length; i < ii; i++) {
+        ll = this.iterate(ll, subbands[i], u0, v0);
+      }
+
+      return ll;
+    };
+
+    Transform.prototype.extend = function extend(buffer, offset, size) {
+      var i1 = offset - 1,
+          j1 = offset + 1;
+      var i2 = offset + size - 2,
+          j2 = offset + size;
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1] = buffer[j1];
+      buffer[j2] = buffer[i2];
+    };
+
+    Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
+      var llWidth = ll.width,
+          llHeight = ll.height,
+          llItems = ll.items;
+      var width = hl_lh_hh.width;
+      var height = hl_lh_hh.height;
+      var items = hl_lh_hh.items;
+      var i, j, k, l, u, v;
+
+      for (k = 0, i = 0; i < llHeight; i++) {
+        l = i * 2 * width;
+
+        for (j = 0; j < llWidth; j++, k++, l += 2) {
+          items[l] = llItems[k];
+        }
+      }
+
+      llItems = ll.items = null;
+      var bufferPadding = 4;
+      var rowBuffer = new Float32Array(width + 2 * bufferPadding);
+
+      if (width === 1) {
+        if ((u0 & 1) !== 0) {
+          for (v = 0, k = 0; v < height; v++, k += width) {
+            items[k] *= 0.5;
+          }
+        }
+      } else {
+        for (v = 0, k = 0; v < height; v++, k += width) {
+          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
+          this.extend(rowBuffer, bufferPadding, width);
+          this.filter(rowBuffer, bufferPadding, width);
+          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
+        }
+      }
+
+      var numBuffers = 16;
+      var colBuffers = [];
+
+      for (i = 0; i < numBuffers; i++) {
+        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
+      }
+
+      var b,
+          currentBuffer = 0;
+      ll = bufferPadding + height;
+
+      if (height === 1) {
+        if ((v0 & 1) !== 0) {
+          for (u = 0; u < width; u++) {
+            items[u] *= 0.5;
+          }
+        }
+      } else {
+        for (u = 0; u < width; u++) {
+          if (currentBuffer === 0) {
+            numBuffers = Math.min(width - u, numBuffers);
+
+            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                colBuffers[b][l] = items[k + b];
+              }
+            }
+
+            currentBuffer = numBuffers;
+          }
+
+          currentBuffer--;
+          var buffer = colBuffers[currentBuffer];
+          this.extend(buffer, bufferPadding, height);
+          this.filter(buffer, bufferPadding, height);
+
+          if (currentBuffer === 0) {
+            k = u - numBuffers + 1;
+
+            for (l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                items[k + b] = colBuffers[b][l];
+              }
+            }
+          }
+        }
+      }
+
+      return {
+        width,
+        height,
+        items
+      };
+    };
+
+    return Transform;
+  }();
+
+  var IrreversibleTransform = function IrreversibleTransformClosure() {
+    function IrreversibleTransform() {
+      Transform.call(this);
+    }
+
+    IrreversibleTransform.prototype = Object.create(Transform.prototype);
+
+    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n, current, next;
+      var alpha = -1.586134342059924;
+      var beta = -0.052980118572961;
+      var gamma = 0.882911075530934;
+      var delta = 0.443506852043971;
+      var K = 1.230174104914001;
+      var K_ = 1 / K;
+      j = offset - 3;
+
+      for (n = len + 4; n--; j += 2) {
+        x[j] *= K_;
+      }
+
+      j = offset - 2;
+      current = delta * x[j - 1];
+
+      for (n = len + 3; n--; j += 2) {
+        next = delta * x[j + 1];
+        x[j] = K * x[j] - current - next;
+
+        if (n--) {
+          j += 2;
+          current = delta * x[j + 1];
+          x[j] = K * x[j] - current - next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset - 1;
+      current = gamma * x[j - 1];
+
+      for (n = len + 2; n--; j += 2) {
+        next = gamma * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = gamma * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset;
+      current = beta * x[j - 1];
+
+      for (n = len + 1; n--; j += 2) {
+        next = beta * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = beta * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      if (len !== 0) {
+        j = offset + 1;
+        current = alpha * x[j - 1];
+
+        for (n = len; n--; j += 2) {
+          next = alpha * x[j + 1];
+          x[j] -= current + next;
+
+          if (n--) {
+            j += 2;
+            current = alpha * x[j + 1];
+            x[j] -= current + next;
+          } else {
+            break;
+          }
+        }
+      }
+    };
+
+    return IrreversibleTransform;
+  }();
+
+  var ReversibleTransform = function ReversibleTransformClosure() {
+    function ReversibleTransform() {
+      Transform.call(this);
+    }
+
+    ReversibleTransform.prototype = Object.create(Transform.prototype);
+
+    ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n;
+
+      for (j = offset, n = len + 1; n--; j += 2) {
+        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
+      }
+
+      for (j = offset + 1, n = len; n--; j += 2) {
+        x[j] += x[j - 1] + x[j + 1] >> 1;
+      }
+    };
+
+    return ReversibleTransform;
+  }();
+
+  return JpxImage;
+}();
+
+exports.JpxImage = JpxImage;
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.image_decoders.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js.map b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js.map
new file mode 100644
index 00000000..95d2b084
--- /dev/null
+++ b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.js.map
@@ -0,0 +1 @@
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no-unused-vars\nconst pdfjsVersion = PDFJSDev.eval(\"BUNDLE_VERSION\");\n// eslint-disable-next-line no-unused-vars\nconst pdfjsBuild = PDFJSDev.eval(\"BUNDLE_BUILD\");\n\nexport { Jbig2mage, JpegImage, JpxImage, getVerbosityLevel, setVerbosityLevel };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport \"./compatibility.js\";\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n  PRINT: 0x04,\n  MODIFY_CONTENTS: 0x08,\n  COPY: 0x10,\n  MODIFY_ANNOTATIONS: 0x20,\n  FILL_INTERACTIVE_FORMS: 0x100,\n  COPY_FOR_ACCESSIBILITY: 0x200,\n  ASSEMBLE: 0x400,\n  PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n  FILL: 0,\n  STROKE: 1,\n  FILL_STROKE: 2,\n  INVISIBLE: 3,\n  FILL_ADD_TO_PATH: 4,\n  STROKE_ADD_TO_PATH: 5,\n  FILL_STROKE_ADD_TO_PATH: 6,\n  ADD_TO_PATH: 7,\n  FILL_STROKE_MASK: 3,\n  ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n  GRAYSCALE_1BPP: 1,\n  RGB_24BPP: 2,\n  RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n  TEXT: 1,\n  LINK: 2,\n  FREETEXT: 3,\n  LINE: 4,\n  SQUARE: 5,\n  CIRCLE: 6,\n  POLYGON: 7,\n  POLYLINE: 8,\n  HIGHLIGHT: 9,\n  UNDERLINE: 10,\n  SQUIGGLY: 11,\n  STRIKEOUT: 12,\n  STAMP: 13,\n  CARET: 14,\n  INK: 15,\n  POPUP: 16,\n  FILEATTACHMENT: 17,\n  SOUND: 18,\n  MOVIE: 19,\n  WIDGET: 20,\n  SCREEN: 21,\n  PRINTERMARK: 22,\n  TRAPNET: 23,\n  WATERMARK: 24,\n  THREED: 25,\n  REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n  MARKED: \"Marked\",\n  REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n  MARKED: \"Marked\",\n  UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n  ACCEPTED: \"Accepted\",\n  REJECTED: \"Rejected\",\n  CANCELLED: \"Cancelled\",\n  COMPLETED: \"Completed\",\n  NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n  GROUP: \"Group\",\n  REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n  INVISIBLE: 0x01,\n  HIDDEN: 0x02,\n  PRINT: 0x04,\n  NOZOOM: 0x08,\n  NOROTATE: 0x10,\n  NOVIEW: 0x20,\n  READONLY: 0x40,\n  LOCKED: 0x80,\n  TOGGLENOVIEW: 0x100,\n  LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n  READONLY: 0x0000001,\n  REQUIRED: 0x0000002,\n  NOEXPORT: 0x0000004,\n  MULTILINE: 0x0001000,\n  PASSWORD: 0x0002000,\n  NOTOGGLETOOFF: 0x0004000,\n  RADIO: 0x0008000,\n  PUSHBUTTON: 0x0010000,\n  COMBO: 0x0020000,\n  EDIT: 0x0040000,\n  SORT: 0x0080000,\n  FILESELECT: 0x0100000,\n  MULTISELECT: 0x0200000,\n  DONOTSPELLCHECK: 0x0400000,\n  DONOTSCROLL: 0x0800000,\n  COMB: 0x1000000,\n  RICHTEXT: 0x2000000,\n  RADIOSINUNISON: 0x2000000,\n  COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n  SOLID: 1,\n  DASHED: 2,\n  BEVELED: 3,\n  INSET: 4,\n  UNDERLINE: 5,\n};\n\nconst StreamType = {\n  UNKNOWN: \"UNKNOWN\",\n  FLATE: \"FLATE\",\n  LZW: \"LZW\",\n  DCT: \"DCT\",\n  JPX: \"JPX\",\n  JBIG: \"JBIG\",\n  A85: \"A85\",\n  AHX: \"AHX\",\n  CCF: \"CCF\",\n  RLX: \"RLX\", // PDF short name is 'RL', but telemetry requires three chars.\n};\n\nconst FontType = {\n  UNKNOWN: \"UNKNOWN\",\n  TYPE1: \"TYPE1\",\n  TYPE1C: \"TYPE1C\",\n  CIDFONTTYPE0: \"CIDFONTTYPE0\",\n  CIDFONTTYPE0C: \"CIDFONTTYPE0C\",\n  TRUETYPE: \"TRUETYPE\",\n  CIDFONTTYPE2: \"CIDFONTTYPE2\",\n  TYPE3: \"TYPE3\",\n  OPENTYPE: \"OPENTYPE\",\n  TYPE0: \"TYPE0\",\n  MMTYPE1: \"MMTYPE1\",\n};\n\nconst VerbosityLevel = {\n  ERRORS: 0,\n  WARNINGS: 1,\n  INFOS: 5,\n};\n\nconst CMapCompressionType = {\n  NONE: 0,\n  BINARY: 1,\n  STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n  // Intentionally start from 1 so it is easy to spot bad operators that will be\n  // 0's.\n  dependency: 1,\n  setLineWidth: 2,\n  setLineCap: 3,\n  setLineJoin: 4,\n  setMiterLimit: 5,\n  setDash: 6,\n  setRenderingIntent: 7,\n  setFlatness: 8,\n  setGState: 9,\n  save: 10,\n  restore: 11,\n  transform: 12,\n  moveTo: 13,\n  lineTo: 14,\n  curveTo: 15,\n  curveTo2: 16,\n  curveTo3: 17,\n  closePath: 18,\n  rectangle: 19,\n  stroke: 20,\n  closeStroke: 21,\n  fill: 22,\n  eoFill: 23,\n  fillStroke: 24,\n  eoFillStroke: 25,\n  closeFillStroke: 26,\n  closeEOFillStroke: 27,\n  endPath: 28,\n  clip: 29,\n  eoClip: 30,\n  beginText: 31,\n  endText: 32,\n  setCharSpacing: 33,\n  setWordSpacing: 34,\n  setHScale: 35,\n  setLeading: 36,\n  setFont: 37,\n  setTextRenderingMode: 38,\n  setTextRise: 39,\n  moveText: 40,\n  setLeadingMoveText: 41,\n  setTextMatrix: 42,\n  nextLine: 43,\n  showText: 44,\n  showSpacedText: 45,\n  nextLineShowText: 46,\n  nextLineSetSpacingShowText: 47,\n  setCharWidth: 48,\n  setCharWidthAndBounds: 49,\n  setStrokeColorSpace: 50,\n  setFillColorSpace: 51,\n  setStrokeColor: 52,\n  setStrokeColorN: 53,\n  setFillColor: 54,\n  setFillColorN: 55,\n  setStrokeGray: 56,\n  setFillGray: 57,\n  setStrokeRGBColor: 58,\n  setFillRGBColor: 59,\n  setStrokeCMYKColor: 60,\n  setFillCMYKColor: 61,\n  shadingFill: 62,\n  beginInlineImage: 63,\n  beginImageData: 64,\n  endInlineImage: 65,\n  paintXObject: 66,\n  markPoint: 67,\n  markPointProps: 68,\n  beginMarkedContent: 69,\n  beginMarkedContentProps: 70,\n  endMarkedContent: 71,\n  beginCompat: 72,\n  endCompat: 73,\n  paintFormXObjectBegin: 74,\n  paintFormXObjectEnd: 75,\n  beginGroup: 76,\n  endGroup: 77,\n  beginAnnotations: 78,\n  endAnnotations: 79,\n  beginAnnotation: 80,\n  endAnnotation: 81,\n  paintJpegXObject: 82,\n  paintImageMaskXObject: 83,\n  paintImageMaskXObjectGroup: 84,\n  paintImageXObject: 85,\n  paintInlineImageXObject: 86,\n  paintInlineImageXObjectGroup: 87,\n  paintImageXObjectRepeat: 88,\n  paintImageMaskXObjectRepeat: 89,\n  paintSolidColorImageMask: 90,\n  constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n  /** @deprecated unused */\n  unknown: \"unknown\",\n  forms: \"forms\",\n  javaScript: \"javaScript\",\n  smask: \"smask\",\n  shadingPattern: \"shadingPattern\",\n  /** @deprecated unused */\n  font: \"font\",\n  errorTilingPattern: \"errorTilingPattern\",\n  errorExtGState: \"errorExtGState\",\n  errorXObject: \"errorXObject\",\n  errorFontLoadType3: \"errorFontLoadType3\",\n  errorFontState: \"errorFontState\",\n  errorFontMissing: \"errorFontMissing\",\n  errorFontTranslate: \"errorFontTranslate\",\n  errorColorSpace: \"errorColorSpace\",\n  errorOperatorList: \"errorOperatorList\",\n  errorFontToUnicode: \"errorFontToUnicode\",\n  errorFontLoadNative: \"errorFontLoadNative\",\n  errorFontGetPath: \"errorFontGetPath\",\n  errorMarkedContent: \"errorMarkedContent\",\n};\n\nconst PasswordResponses = {\n  NEED_PASSWORD: 1,\n  INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n  if (Number.isInteger(level)) {\n    verbosity = level;\n  }\n}\n\nfunction getVerbosityLevel() {\n  return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n  if (verbosity >= VerbosityLevel.INFOS) {\n    console.log(`Info: ${msg}`);\n  }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n  if (verbosity >= VerbosityLevel.WARNINGS) {\n    console.log(`Warning: ${msg}`);\n  }\n}\n\nfunction unreachable(msg) {\n  throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n  if (!cond) {\n    unreachable(msg);\n  }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n  let base;\n  try {\n    base = new URL(baseUrl);\n    if (!base.origin || base.origin === \"null\") {\n      return false; // non-HTTP url\n    }\n  } catch (e) {\n    return false;\n  }\n\n  const other = new URL(otherUrl, base);\n  return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n  if (!url) {\n    return false;\n  }\n  switch (url.protocol) {\n    case \"http:\":\n    case \"https:\":\n    case \"ftp:\":\n    case \"mailto:\":\n    case \"tel:\":\n      return true;\n    default:\n      return false;\n  }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n  if (!url) {\n    return null;\n  }\n  try {\n    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n    if (_isValidProtocol(absoluteUrl)) {\n      return absoluteUrl;\n    }\n  } catch (ex) {\n    /* `new URL()` will throw on incorrect data. */\n  }\n  return null;\n}\n\nfunction shadow(obj, prop, value) {\n  Object.defineProperty(obj, prop, {\n    value,\n    enumerable: true,\n    configurable: true,\n    writable: false,\n  });\n  return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n  // eslint-disable-next-line no-shadow\n  function BaseException(message) {\n    if (this.constructor === BaseException) {\n      unreachable(\"Cannot initialize BaseException.\");\n    }\n    this.message = message;\n    this.name = this.constructor.name;\n  }\n  BaseException.prototype = new Error();\n  BaseException.constructor = BaseException;\n\n  return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n  constructor(msg, code) {\n    super(msg);\n    this.code = code;\n  }\n}\n\nclass UnknownErrorException extends BaseException {\n  constructor(msg, details) {\n    super(msg);\n    this.details = details;\n  }\n}\n\nclass InvalidPDFException extends BaseException {}\n\nclass MissingPDFException extends BaseException {}\n\nclass UnexpectedResponseException extends BaseException {\n  constructor(msg, status) {\n    super(msg);\n    this.status = status;\n  }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {}\n\nconst NullCharactersRegExp = /\\x00/g;\n\n/**\n * @param {string} str\n */\nfunction removeNullCharacters(str) {\n  if (typeof str !== \"string\") {\n    warn(\"The argument for removeNullCharacters must be a string.\");\n    return str;\n  }\n  return str.replace(NullCharactersRegExp, \"\");\n}\n\nfunction bytesToString(bytes) {\n  assert(\n    bytes !== null && typeof bytes === \"object\" && bytes.length !== undefined,\n    \"Invalid argument for bytesToString\"\n  );\n  const length = bytes.length;\n  const MAX_ARGUMENT_COUNT = 8192;\n  if (length < MAX_ARGUMENT_COUNT) {\n    return String.fromCharCode.apply(null, bytes);\n  }\n  const strBuf = [];\n  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n    const chunk = bytes.subarray(i, chunkEnd);\n    strBuf.push(String.fromCharCode.apply(null, chunk));\n  }\n  return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n  assert(typeof str === \"string\", \"Invalid argument for stringToBytes\");\n  const length = str.length;\n  const bytes = new Uint8Array(length);\n  for (let i = 0; i < length; ++i) {\n    bytes[i] = str.charCodeAt(i) & 0xff;\n  }\n  return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array<any>|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n  if (arr.length !== undefined) {\n    return arr.length;\n  }\n  assert(arr.byteLength !== undefined, \"arrayByteLength - invalid argument.\");\n  return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays\n *   (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n  const length = arr.length;\n  // Shortcut: if first and only item is Uint8Array, return it.\n  if (length === 1 && arr[0] instanceof Uint8Array) {\n    return arr[0];\n  }\n  let resultLength = 0;\n  for (let i = 0; i < length; i++) {\n    resultLength += arrayByteLength(arr[i]);\n  }\n  let pos = 0;\n  const data = new Uint8Array(resultLength);\n  for (let i = 0; i < length; i++) {\n    let item = arr[i];\n    if (!(item instanceof Uint8Array)) {\n      if (typeof item === \"string\") {\n        item = stringToBytes(item);\n      } else {\n        item = new Uint8Array(item);\n      }\n    }\n    const itemLength = item.byteLength;\n    data.set(item, pos);\n    pos += itemLength;\n  }\n  return data;\n}\n\nfunction string32(value) {\n  return String.fromCharCode(\n    (value >> 24) & 0xff,\n    (value >> 16) & 0xff,\n    (value >> 8) & 0xff,\n    value & 0xff\n  );\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n  const buffer8 = new Uint8Array(4);\n  buffer8[0] = 1;\n  const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n  return view32[0] === 1;\n}\nconst IsLittleEndianCached = {\n  get value() {\n    return shadow(this, \"value\", isLittleEndian());\n  },\n};\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n  try {\n    new Function(\"\"); // eslint-disable-line no-new, no-new-func\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\nconst IsEvalSupportedCached = {\n  get value() {\n    return shadow(this, \"value\", isEvalSupported());\n  },\n};\n\nconst rgbBuf = [\"rgb(\", 0, \",\", 0, \",\", 0, \")\"];\n\nclass Util {\n  // makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids\n  // creating many intermediate strings.\n  static makeCssRgb(r, g, b) {\n    rgbBuf[1] = r;\n    rgbBuf[3] = g;\n    rgbBuf[5] = b;\n    return rgbBuf.join(\"\");\n  }\n\n  // Concatenates two transformation matrices together and returns the result.\n  static transform(m1, m2) {\n    return [\n      m1[0] * m2[0] + m1[2] * m2[1],\n      m1[1] * m2[0] + m1[3] * m2[1],\n      m1[0] * m2[2] + m1[2] * m2[3],\n      m1[1] * m2[2] + m1[3] * m2[3],\n      m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n      m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n    ];\n  }\n\n  // For 2d affine transforms\n  static applyTransform(p, m) {\n    const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n    const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n    return [xt, yt];\n  }\n\n  static applyInverseTransform(p, m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n    return [xt, yt];\n  }\n\n  // Applies the transform to the rectangle and finds the minimum axially\n  // aligned bounding box.\n  static getAxialAlignedBoundingBox(r, m) {\n    const p1 = Util.applyTransform(r, m);\n    const p2 = Util.applyTransform(r.slice(2, 4), m);\n    const p3 = Util.applyTransform([r[0], r[3]], m);\n    const p4 = Util.applyTransform([r[2], r[1]], m);\n    return [\n      Math.min(p1[0], p2[0], p3[0], p4[0]),\n      Math.min(p1[1], p2[1], p3[1], p4[1]),\n      Math.max(p1[0], p2[0], p3[0], p4[0]),\n      Math.max(p1[1], p2[1], p3[1], p4[1]),\n    ];\n  }\n\n  static inverseTransform(m) {\n    const d = m[0] * m[3] - m[1] * m[2];\n    return [\n      m[3] / d,\n      -m[1] / d,\n      -m[2] / d,\n      m[0] / d,\n      (m[2] * m[5] - m[4] * m[3]) / d,\n      (m[4] * m[1] - m[5] * m[0]) / d,\n    ];\n  }\n\n  // Apply a generic 3d matrix M on a 3-vector v:\n  //   | a b c |   | X |\n  //   | d e f | x | Y |\n  //   | g h i |   | Z |\n  // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n  // with v as [X,Y,Z]\n  static apply3dTransform(m, v) {\n    return [\n      m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n      m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n      m[6] * v[0] + m[7] * v[1] + m[8] * v[2],\n    ];\n  }\n\n  // This calculation uses Singular Value Decomposition.\n  // The SVD can be represented with formula A = USV. We are interested in the\n  // matrix S here because it represents the scale values.\n  static singularValueDecompose2dScale(m) {\n    const transpose = [m[0], m[2], m[1], m[3]];\n\n    // Multiply matrix m with its transpose.\n    const a = m[0] * transpose[0] + m[1] * transpose[2];\n    const b = m[0] * transpose[1] + m[1] * transpose[3];\n    const c = m[2] * transpose[0] + m[3] * transpose[2];\n    const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n    // Solve the second degree polynomial to get roots.\n    const first = (a + d) / 2;\n    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n    const sx = first + second || 1;\n    const sy = first - second || 1;\n\n    // Scale values are the square roots of the eigenvalues.\n    return [Math.sqrt(sx), Math.sqrt(sy)];\n  }\n\n  // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n  // For coordinate systems whose origin lies in the bottom-left, this\n  // means normalization to (BL,TR) ordering. For systems with origin in the\n  // top-left, this means (TL,BR) ordering.\n  static normalizeRect(rect) {\n    const r = rect.slice(0); // clone rect\n    if (rect[0] > rect[2]) {\n      r[0] = rect[2];\n      r[2] = rect[0];\n    }\n    if (rect[1] > rect[3]) {\n      r[1] = rect[3];\n      r[3] = rect[1];\n    }\n    return r;\n  }\n\n  // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n  // intersection of rect1 and rect2. If no intersection, returns 'false'\n  // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n  static intersect(rect1, rect2) {\n    function compare(a, b) {\n      return a - b;\n    }\n\n    // Order points along the axes\n    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);\n    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);\n    const result = [];\n\n    rect1 = Util.normalizeRect(rect1);\n    rect2 = Util.normalizeRect(rect2);\n\n    // X: first and second points belong to different rectangles?\n    if (\n      (orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n      (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])\n    ) {\n      // Intersection must be between second and third points\n      result[0] = orderedX[1];\n      result[2] = orderedX[2];\n    } else {\n      return null;\n    }\n\n    // Y: first and second points belong to different rectangles?\n    if (\n      (orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n      (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])\n    ) {\n      // Intersection must be between second and third points\n      result[1] = orderedY[1];\n      result[3] = orderedY[2];\n    } else {\n      return null;\n    }\n\n    return result;\n  }\n}\n\n// prettier-ignore\nconst PDFStringTranslateTable = [\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n  0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n  0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n  0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n  const length = str.length,\n    strBuf = [];\n  if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n    // UTF16BE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))\n      );\n    }\n  } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n    // UTF16LE BOM\n    for (let i = 2; i < length; i += 2) {\n      strBuf.push(\n        String.fromCharCode((str.charCodeAt(i + 1) << 8) | str.charCodeAt(i))\n      );\n    }\n  } else {\n    for (let i = 0; i < length; ++i) {\n      const code = PDFStringTranslateTable[str.charCodeAt(i)];\n      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n    }\n  }\n  return strBuf.join(\"\");\n}\n\nfunction escapeString(str) {\n  // replace \"(\", \")\" and \"\\\" by \"\\(\", \"\\)\" and \"\\\\\"\n  // in order to write it in a PDF file.\n  return str.replace(/([\\(\\)\\\\])/g, \"\\\\$1\");\n}\n\nfunction stringToUTF8String(str) {\n  return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n  return unescape(encodeURIComponent(str));\n}\n\nfunction isBool(v) {\n  return typeof v === \"boolean\";\n}\n\nfunction isNum(v) {\n  return typeof v === \"number\";\n}\n\nfunction isString(v) {\n  return typeof v === \"string\";\n}\n\nfunction isArrayBuffer(v) {\n  return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n  if (arr1.length !== arr2.length) {\n    return false;\n  }\n  return arr1.every(function (element, index) {\n    return element === arr2[index];\n  });\n}\n\nfunction getModificationDate(date = new Date(Date.now())) {\n  const buffer = [\n    date.getUTCFullYear().toString(),\n    (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n    (date.getUTCDate() + 1).toString().padStart(2, \"0\"),\n    date.getUTCHours().toString().padStart(2, \"0\"),\n    date.getUTCMinutes().toString().padStart(2, \"0\"),\n    date.getUTCSeconds().toString().padStart(2, \"0\"),\n  ];\n\n  return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise<any>} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n  const capability = Object.create(null);\n  let isSettled = false;\n\n  Object.defineProperty(capability, \"settled\", {\n    get() {\n      return isSettled;\n    },\n  });\n  capability.promise = new Promise(function (resolve, reject) {\n    capability.resolve = function (data) {\n      isSettled = true;\n      resolve(data);\n    };\n    capability.reject = function (reason) {\n      isSettled = true;\n      reject(reason);\n    };\n  });\n  return capability;\n}\n\nconst createObjectURL = (function createObjectURLClosure() {\n  // Blob/createObjectURL is not available, falling back to data schema.\n  const digits =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\";\n\n  // eslint-disable-next-line no-shadow\n  return function createObjectURL(data, contentType, forceDataSchema = false) {\n    if (!forceDataSchema && URL.createObjectURL) {\n      const blob = new Blob([data], { type: contentType });\n      return URL.createObjectURL(blob);\n    }\n\n    let buffer = `data:${contentType};base64,`;\n    for (let i = 0, ii = data.length; i < ii; i += 3) {\n      const b1 = data[i] & 0xff;\n      const b2 = data[i + 1] & 0xff;\n      const b3 = data[i + 2] & 0xff;\n      const d1 = b1 >> 2,\n        d2 = ((b1 & 3) << 4) | (b2 >> 4);\n      const d3 = i + 1 < ii ? ((b2 & 0xf) << 2) | (b3 >> 6) : 64;\n      const d4 = i + 2 < ii ? b3 & 0x3f : 64;\n      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n    }\n    return buffer;\n  };\n})();\n\nexport {\n  BaseException,\n  FONT_IDENTITY_MATRIX,\n  IDENTITY_MATRIX,\n  OPS,\n  VerbosityLevel,\n  UNSUPPORTED_FEATURES,\n  AnnotationBorderStyleType,\n  AnnotationFieldFlag,\n  AnnotationFlag,\n  AnnotationMarkedState,\n  AnnotationReplyType,\n  AnnotationReviewState,\n  AnnotationStateModelType,\n  AnnotationType,\n  FontType,\n  ImageKind,\n  CMapCompressionType,\n  AbortException,\n  InvalidPDFException,\n  MissingPDFException,\n  PasswordException,\n  PasswordResponses,\n  PermissionFlag,\n  StreamType,\n  TextRenderingMode,\n  UnexpectedResponseException,\n  UnknownErrorException,\n  Util,\n  FormatError,\n  arrayByteLength,\n  arraysToBytes,\n  assert,\n  bytesToString,\n  createPromiseCapability,\n  createObjectURL,\n  escapeString,\n  getModificationDate,\n  getVerbosityLevel,\n  info,\n  isArrayBuffer,\n  isArrayEqual,\n  isBool,\n  isNum,\n  isString,\n  isSameOrigin,\n  createValidAbsoluteUrl,\n  IsLittleEndianCached,\n  IsEvalSupportedCached,\n  removeNullCharacters,\n  setVerbosityLevel,\n  shadow,\n  string32,\n  stringToBytes,\n  stringToPDFString,\n  stringToUTF8String,\n  utf8StringToString,\n  warn,\n  unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { isNodeJS } from \"./is_node.js\";\n\n// Skip compatibility checks for modern builds and if we already ran the module.\nif (\n  (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"SKIP_BABEL\")) &&\n  (typeof globalThis === \"undefined\" || !globalThis._pdfjsCompatibilityChecked)\n) {\n  // Provides support for globalThis in legacy browsers.\n  // Support: IE11/Edge, Opera\n  if (typeof globalThis === \"undefined\" || globalThis.Math !== Math) {\n    // eslint-disable-next-line no-global-assign\n    globalThis = require(\"core-js/es/global-this\");\n  }\n  globalThis._pdfjsCompatibilityChecked = true;\n\n  const hasDOM = typeof window === \"object\" && typeof document === \"object\";\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const isIE = /Trident/.test(userAgent);\n\n  // Support: Node.js\n  (function checkNodeBtoa() {\n    if (globalThis.btoa || !isNodeJS) {\n      return;\n    }\n    globalThis.btoa = function (chars) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(chars, \"binary\").toString(\"base64\");\n    };\n  })();\n\n  // Support: Node.js\n  (function checkNodeAtob() {\n    if (globalThis.atob || !isNodeJS) {\n      return;\n    }\n    globalThis.atob = function (input) {\n      // eslint-disable-next-line no-undef\n      return Buffer.from(input, \"base64\").toString(\"binary\");\n    };\n  })();\n\n  // Provides support for ChildNode.remove in legacy browsers.\n  // Support: IE.\n  (function checkChildNodeRemove() {\n    if (!hasDOM) {\n      return;\n    }\n    if (typeof Element.prototype.remove !== \"undefined\") {\n      return;\n    }\n    Element.prototype.remove = function () {\n      if (this.parentNode) {\n        // eslint-disable-next-line mozilla/avoid-removeChild\n        this.parentNode.removeChild(this);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.{add, remove}, with more than\n  // one parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListAddRemove() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    div.classList.add(\"testOne\", \"testTwo\");\n\n    if (\n      div.classList.contains(\"testOne\") === true &&\n      div.classList.contains(\"testTwo\") === true\n    ) {\n      return;\n    }\n    const OriginalDOMTokenListAdd = DOMTokenList.prototype.add;\n    const OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;\n\n    DOMTokenList.prototype.add = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListAdd.call(this, token);\n      }\n    };\n    DOMTokenList.prototype.remove = function (...tokens) {\n      for (const token of tokens) {\n        OriginalDOMTokenListRemove.call(this, token);\n      }\n    };\n  })();\n\n  // Provides support for DOMTokenList.prototype.toggle, with the optional\n  // \"force\" parameter, in legacy browsers.\n  // Support: IE\n  (function checkDOMTokenListToggle() {\n    if (!hasDOM || isNodeJS) {\n      return;\n    }\n    const div = document.createElement(\"div\");\n    if (div.classList.toggle(\"test\", 0) === false) {\n      return;\n    }\n\n    DOMTokenList.prototype.toggle = function (token) {\n      const force =\n        arguments.length > 1 ? !!arguments[1] : !this.contains(token);\n      return this[force ? \"add\" : \"remove\"](token), force;\n    };\n  })();\n\n  // Provides support for window.history.{pushState, replaceState}, with the\n  // `url` parameter set to `undefined`, without breaking the document URL.\n  // Support: IE\n  (function checkWindowHistoryPushStateReplaceState() {\n    if (!hasDOM || !isIE) {\n      return;\n    }\n    const OriginalPushState = window.history.pushState;\n    const OriginalReplaceState = window.history.replaceState;\n\n    window.history.pushState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalPushState.apply(this, args);\n    };\n    window.history.replaceState = function (state, title, url) {\n      const args = url === undefined ? [state, title] : [state, title, url];\n      OriginalReplaceState.apply(this, args);\n    };\n  })();\n\n  // Provides support for String.prototype.startsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringStartsWith() {\n    if (String.prototype.startsWith) {\n      return;\n    }\n    require(\"core-js/es/string/starts-with.js\");\n  })();\n\n  // Provides support for String.prototype.endsWith in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringEndsWith() {\n    if (String.prototype.endsWith) {\n      return;\n    }\n    require(\"core-js/es/string/ends-with.js\");\n  })();\n\n  // Provides support for String.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<41\n  (function checkStringIncludes() {\n    if (String.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/string/includes.js\");\n  })();\n\n  // Provides support for Array.prototype.includes in legacy browsers.\n  // Support: IE, Chrome<47\n  (function checkArrayIncludes() {\n    if (Array.prototype.includes) {\n      return;\n    }\n    require(\"core-js/es/array/includes.js\");\n  })();\n\n  // Provides support for Array.from in legacy browsers.\n  // Support: IE\n  (function checkArrayFrom() {\n    if (Array.from) {\n      return;\n    }\n    require(\"core-js/es/array/from.js\");\n  })();\n\n  // Provides support for Object.assign in legacy browsers.\n  // Support: IE\n  (function checkObjectAssign() {\n    if (Object.assign) {\n      return;\n    }\n    require(\"core-js/es/object/assign.js\");\n  })();\n\n  // Provides support for Object.fromEntries in legacy browsers.\n  // Support: IE, Chrome<73\n  (function checkObjectFromEntries() {\n    if (Object.fromEntries) {\n      return;\n    }\n    require(\"core-js/es/object/from-entries.js\");\n  })();\n\n  // Provides support for Math.log2 in legacy browsers.\n  // Support: IE, Chrome<38\n  (function checkMathLog2() {\n    if (Math.log2) {\n      return;\n    }\n    Math.log2 = require(\"core-js/es/math/log2.js\");\n  })();\n\n  // Provides support for Number.isNaN in legacy browsers.\n  // Support: IE.\n  (function checkNumberIsNaN() {\n    if (Number.isNaN) {\n      return;\n    }\n    Number.isNaN = require(\"core-js/es/number/is-nan.js\");\n  })();\n\n  // Provides support for Number.isInteger in legacy browsers.\n  // Support: IE, Chrome<34\n  (function checkNumberIsInteger() {\n    if (Number.isInteger) {\n      return;\n    }\n    Number.isInteger = require(\"core-js/es/number/is-integer.js\");\n  })();\n\n  // Provides support for TypedArray.prototype.slice in legacy browsers.\n  // Support: IE\n  (function checkTypedArraySlice() {\n    if (Uint8Array.prototype.slice) {\n      return;\n    }\n    require(\"core-js/es/typed-array/slice\");\n  })();\n\n  // Support: IE, Safari<11, Chrome<63\n  (function checkPromise() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `Promise` shouldn't\n      // need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    if (globalThis.Promise && globalThis.Promise.allSettled) {\n      return;\n    }\n    globalThis.Promise = require(\"core-js/es/promise/index.js\");\n  })();\n\n  // Support: IE\n  (function checkURL() {\n    if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n      // Prevent \"require is not a function\" errors in development mode,\n      // since the `URL` constructor should be available in modern browers.\n      return;\n    } else if (!PDFJSDev.test(\"GENERIC\")) {\n      // The `URL` constructor is assumed to be available in the extension\n      // builds.\n      return;\n    } else if (PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders don't use the `URL` constructor, so it\n      // doesn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    globalThis.URL = require(\"core-js/web/url.js\");\n  })();\n\n  // Support: IE, Node.js\n  (function checkReadableStream() {\n    if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"IMAGE_DECODERS\")) {\n      // The current image decoders are synchronous, hence `ReadableStream`\n      // shouldn't need to be polyfilled for the IMAGE_DECODERS build target.\n      return;\n    }\n    let isReadableStreamSupported = false;\n\n    if (typeof ReadableStream !== \"undefined\") {\n      // MS Edge may say it has ReadableStream but they are not up to spec yet.\n      try {\n        // eslint-disable-next-line no-new\n        new ReadableStream({\n          start(controller) {\n            controller.close();\n          },\n        });\n        isReadableStreamSupported = true;\n      } catch (e) {\n        // The ReadableStream constructor cannot be used.\n      }\n    }\n    if (isReadableStreamSupported) {\n      return;\n    }\n    globalThis.ReadableStream = require(\"web-streams-polyfill/dist/ponyfill.js\").ReadableStream;\n  })();\n\n  // We want to support Map iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkMapEntries() {\n    if (globalThis.Map && globalThis.Map.prototype.entries) {\n      return;\n    }\n    globalThis.Map = require(\"core-js/es/map/index.js\");\n  })();\n\n  // We want to support Set iteration, but it doesn't seem possible to easily\n  // test for that specifically; hence using a similarly unsupported property.\n  // Support: IE11\n  (function checkSetEntries() {\n    if (globalThis.Set && globalThis.Set.prototype.entries) {\n      return;\n    }\n    globalThis.Set = require(\"core-js/es/set/index.js\");\n  })();\n\n  // Support: IE<11, Safari<8, Chrome<36\n  (function checkWeakMap() {\n    if (globalThis.WeakMap) {\n      return;\n    }\n    globalThis.WeakMap = require(\"core-js/es/weak-map/index.js\");\n  })();\n\n  // Support: IE11\n  (function checkWeakSet() {\n    if (globalThis.WeakSet) {\n      return;\n    }\n    globalThis.WeakSet = require(\"core-js/es/weak-set/index.js\");\n  })();\n\n  // Provides support for String.codePointAt in legacy browsers.\n  // Support: IE11.\n  (function checkStringCodePointAt() {\n    if (String.prototype.codePointAt) {\n      return;\n    }\n    require(\"core-js/es/string/code-point-at.js\");\n  })();\n\n  // Provides support for String.fromCodePoint in legacy browsers.\n  // Support: IE11.\n  (function checkStringFromCodePoint() {\n    if (String.fromCodePoint) {\n      return;\n    }\n    String.fromCodePoint = require(\"core-js/es/string/from-code-point.js\");\n  })();\n\n  // Support: IE\n  (function checkSymbol() {\n    if (globalThis.Symbol) {\n      return;\n    }\n    require(\"core-js/es/symbol/index.js\");\n  })();\n\n  // Provides support for String.prototype.padStart in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadStart() {\n    if (String.prototype.padStart) {\n      return;\n    }\n    require(\"core-js/es/string/pad-start.js\");\n  })();\n\n  // Provides support for String.prototype.padEnd in legacy browsers.\n  // Support: IE, Chrome<57\n  (function checkStringPadEnd() {\n    if (String.prototype.padEnd) {\n      return;\n    }\n    require(\"core-js/es/string/pad-end.js\");\n  })();\n\n  // Provides support for Object.values in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectValues() {\n    if (Object.values) {\n      return;\n    }\n    Object.values = require(\"core-js/es/object/values.js\");\n  })();\n\n  // Provides support for Object.entries in legacy browsers.\n  // Support: IE, Chrome<54\n  (function checkObjectEntries() {\n    if (Object.entries) {\n      return;\n    }\n    Object.entries = require(\"core-js/es/object/entries.js\");\n  })();\n}\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals process */\n\n// NW.js / Electron is a browser context, but copies some Node.js objects; see\n// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context\n// https://www.electronjs.org/docs/api/process#processversionselectron-readonly\n// https://www.electronjs.org/docs/api/process#processtype-readonly\nconst isNodeJS =\n  typeof process === \"object\" &&\n  process + \"\" === \"[object process]\" &&\n  !process.versions.nw &&\n  !(process.versions.electron && process.type && process.type !== \"browser\");\n\nexport { isNodeJS };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, shadow } from \"../shared/util.js\";\nimport { log2, readInt8, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\nimport { CCITTFaxDecoder } from \"./ccitt.js\";\n\nclass Jbig2Error extends BaseException {\n  constructor(msg) {\n    super(`JBIG2 error: ${msg}`);\n  }\n}\n\nvar Jbig2Image = (function Jbig2ImageClosure() {\n  // Utility data structures\n  function ContextCache() {}\n\n  ContextCache.prototype = {\n    getContexts(id) {\n      if (id in this) {\n        return this[id];\n      }\n      return (this[id] = new Int8Array(1 << 16));\n    },\n  };\n\n  function DecodingContext(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n  }\n\n  DecodingContext.prototype = {\n    get decoder() {\n      var decoder = new ArithmeticDecoder(this.data, this.start, this.end);\n      return shadow(this, \"decoder\", decoder);\n    },\n    get contextCache() {\n      var cache = new ContextCache();\n      return shadow(this, \"contextCache\", cache);\n    },\n  };\n\n  // Annex A. Arithmetic Integer Decoding Procedure\n  // A.2 Procedure for decoding values\n  function decodeInteger(contextCache, procedure, decoder) {\n    var contexts = contextCache.getContexts(procedure);\n    var prev = 1;\n\n    function readBits(length) {\n      var v = 0;\n      for (var i = 0; i < length; i++) {\n        var bit = decoder.readBit(contexts, prev);\n        prev =\n          prev < 256 ? (prev << 1) | bit : (((prev << 1) | bit) & 511) | 256;\n        v = (v << 1) | bit;\n      }\n      return v >>> 0;\n    }\n\n    var sign = readBits(1);\n    // prettier-ignore\n    /* eslint-disable no-nested-ternary */\n    var value = readBits(1) ?\n                  (readBits(1) ?\n                    (readBits(1) ?\n                      (readBits(1) ?\n                        (readBits(1) ?\n                          (readBits(32) + 4436) :\n                        readBits(12) + 340) :\n                      readBits(8) + 84) :\n                    readBits(6) + 20) :\n                  readBits(4) + 4) :\n                readBits(2);\n    /* eslint-enable no-nested-ternary */\n    if (sign === 0) {\n      return value;\n    } else if (value > 0) {\n      return -value;\n    }\n    return null;\n  }\n\n  // A.3 The IAID decoding procedure\n  function decodeIAID(contextCache, decoder, codeLength) {\n    var contexts = contextCache.getContexts(\"IAID\");\n\n    var prev = 1;\n    for (var i = 0; i < codeLength; i++) {\n      var bit = decoder.readBit(contexts, prev);\n      prev = (prev << 1) | bit;\n    }\n    if (codeLength < 31) {\n      return prev & ((1 << codeLength) - 1);\n    }\n    return prev & 0x7fffffff;\n  }\n\n  // 7.3 Segment types\n  var SegmentTypes = [\n    \"SymbolDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateTextRegion\",\n    null,\n    \"ImmediateTextRegion\",\n    \"ImmediateLosslessTextRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"PatternDictionary\",\n    null,\n    null,\n    null,\n    \"IntermediateHalftoneRegion\",\n    null,\n    \"ImmediateHalftoneRegion\",\n    \"ImmediateLosslessHalftoneRegion\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"IntermediateGenericRegion\",\n    null,\n    \"ImmediateGenericRegion\",\n    \"ImmediateLosslessGenericRegion\",\n    \"IntermediateGenericRefinementRegion\",\n    null,\n    \"ImmediateGenericRefinementRegion\",\n    \"ImmediateLosslessGenericRefinementRegion\",\n    null,\n    null,\n    null,\n    null,\n    \"PageInformation\",\n    \"EndOfPage\",\n    \"EndOfStripe\",\n    \"EndOfFile\",\n    \"Profiles\",\n    \"Tables\",\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    null,\n    \"Extension\",\n  ];\n\n  var CodingTemplates = [\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: 2, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: 2, y: -1 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -1, y: -2 },\n      { x: 0, y: -2 },\n      { x: 1, y: -2 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n    [\n      { x: -3, y: -1 },\n      { x: -2, y: -1 },\n      { x: -1, y: -1 },\n      { x: 0, y: -1 },\n      { x: 1, y: -1 },\n      { x: -4, y: 0 },\n      { x: -3, y: 0 },\n      { x: -2, y: 0 },\n      { x: -1, y: 0 },\n    ],\n  ];\n\n  var RefinementTemplates = [\n    {\n      coding: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: -1, y: 1 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n    {\n      coding: [\n        { x: -1, y: -1 },\n        { x: 0, y: -1 },\n        { x: 1, y: -1 },\n        { x: -1, y: 0 },\n      ],\n      reference: [\n        { x: 0, y: -1 },\n        { x: -1, y: 0 },\n        { x: 0, y: 0 },\n        { x: 1, y: 0 },\n        { x: 0, y: 1 },\n        { x: 1, y: 1 },\n      ],\n    },\n  ];\n\n  // See 6.2.5.7 Decoding the bitmap.\n  var ReusedContexts = [\n    0x9b25, // 10011 0110010 0101\n    0x0795, // 0011 110010 101\n    0x00e5, // 001 11001 01\n    0x0195, // 011001 0101\n  ];\n\n  var RefinementReusedContexts = [\n    0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference)\n    0x0008, // '0000' + '001000'\n  ];\n\n  function decodeBitmapTemplate0(width, height, decodingContext) {\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n    var contextLabel,\n      i,\n      j,\n      pixel,\n      row,\n      row1,\n      row2,\n      bitmap = [];\n\n    // ...ooooo....\n    // ..ooooooo... Context template for current pixel (X)\n    // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel)\n    var OLD_PIXEL_MASK = 0x7bf7; // 01111 0111111 0111\n\n    for (i = 0; i < height; i++) {\n      row = bitmap[i] = new Uint8Array(width);\n      row1 = i < 1 ? row : bitmap[i - 1];\n      row2 = i < 2 ? row : bitmap[i - 2];\n\n      // At the beginning of each row:\n      // Fill contextLabel with pixels that are above/right of (X)\n      contextLabel =\n        (row2[0] << 13) |\n        (row2[1] << 12) |\n        (row2[2] << 11) |\n        (row1[0] << 7) |\n        (row1[1] << 6) |\n        (row1[2] << 5) |\n        (row1[3] << 4);\n\n      for (j = 0; j < width; j++) {\n        row[j] = pixel = decoder.readBit(contexts, contextLabel);\n\n        // At each pixel: Clear contextLabel pixels that are shifted\n        // out of the context, then add new ones.\n        contextLabel =\n          ((contextLabel & OLD_PIXEL_MASK) << 1) |\n          (j + 3 < width ? row2[j + 3] << 11 : 0) |\n          (j + 4 < width ? row1[j + 4] << 4 : 0) |\n          pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.2 Generic Region Decoding Procedure\n  function decodeBitmap(\n    mmr,\n    width,\n    height,\n    templateIndex,\n    prediction,\n    skip,\n    at,\n    decodingContext\n  ) {\n    if (mmr) {\n      const input = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n      return decodeMMRBitmap(input, width, height, false);\n    }\n\n    // Use optimized version for the most common case\n    if (\n      templateIndex === 0 &&\n      !skip &&\n      !prediction &&\n      at.length === 4 &&\n      at[0].x === 3 &&\n      at[0].y === -1 &&\n      at[1].x === -3 &&\n      at[1].y === -1 &&\n      at[2].x === 2 &&\n      at[2].y === -2 &&\n      at[3].x === -2 &&\n      at[3].y === -2\n    ) {\n      return decodeBitmapTemplate0(width, height, decodingContext);\n    }\n\n    var useskip = !!skip;\n    var template = CodingTemplates[templateIndex].concat(at);\n\n    // Sorting is non-standard, and it is not required. But sorting increases\n    // the number of template bits that can be reused from the previous\n    // contextLabel in the main loop.\n    template.sort(function (a, b) {\n      return a.y - b.y || a.x - b.x;\n    });\n\n    var templateLength = template.length;\n    var templateX = new Int8Array(templateLength);\n    var templateY = new Int8Array(templateLength);\n    var changingTemplateEntries = [];\n    var reuseMask = 0,\n      minX = 0,\n      maxX = 0,\n      minY = 0;\n    var c, k;\n\n    for (k = 0; k < templateLength; k++) {\n      templateX[k] = template[k].x;\n      templateY[k] = template[k].y;\n      minX = Math.min(minX, template[k].x);\n      maxX = Math.max(maxX, template[k].x);\n      minY = Math.min(minY, template[k].y);\n      // Check if the template pixel appears in two consecutive context labels,\n      // so it can be reused. Otherwise, we add it to the list of changing\n      // template entries.\n      if (\n        k < templateLength - 1 &&\n        template[k].y === template[k + 1].y &&\n        template[k].x === template[k + 1].x - 1\n      ) {\n        reuseMask |= 1 << (templateLength - 1 - k);\n      } else {\n        changingTemplateEntries.push(k);\n      }\n    }\n    var changingEntriesLength = changingTemplateEntries.length;\n\n    var changingTemplateX = new Int8Array(changingEntriesLength);\n    var changingTemplateY = new Int8Array(changingEntriesLength);\n    var changingTemplateBit = new Uint16Array(changingEntriesLength);\n    for (c = 0; c < changingEntriesLength; c++) {\n      k = changingTemplateEntries[c];\n      changingTemplateX[c] = template[k].x;\n      changingTemplateY[c] = template[k].y;\n      changingTemplateBit[c] = 1 << (templateLength - 1 - k);\n    }\n\n    // Get the safe bounding box edges from the width, height, minX, maxX, minY\n    var sbb_left = -minX;\n    var sbb_top = -minY;\n    var sbb_right = width - maxX;\n\n    var pseudoPixelContext = ReusedContexts[templateIndex];\n    var row = new Uint8Array(width);\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GB\");\n\n    var ltp = 0,\n      j,\n      i0,\n      j0,\n      contextLabel = 0,\n      bit,\n      shift;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          bitmap.push(row); // duplicate previous row\n          continue;\n        }\n      }\n      row = new Uint8Array(row);\n      bitmap.push(row);\n      for (j = 0; j < width; j++) {\n        if (useskip && skip[i][j]) {\n          row[j] = 0;\n          continue;\n        }\n        // Are we in the middle of a scanline, so we can reuse contextLabel\n        // bits?\n        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {\n          // If yes, we can just shift the bits that are reusable and only\n          // fetch the remaining ones.\n          contextLabel = (contextLabel << 1) & reuseMask;\n          for (k = 0; k < changingEntriesLength; k++) {\n            i0 = i + changingTemplateY[k];\n            j0 = j + changingTemplateX[k];\n            bit = bitmap[i0][j0];\n            if (bit) {\n              bit = changingTemplateBit[k];\n              contextLabel |= bit;\n            }\n          }\n        } else {\n          // compute the contextLabel from scratch\n          contextLabel = 0;\n          shift = templateLength - 1;\n          for (k = 0; k < templateLength; k++, shift--) {\n            j0 = j + templateX[k];\n            if (j0 >= 0 && j0 < width) {\n              i0 = i + templateY[k];\n              if (i0 >= 0) {\n                bit = bitmap[i0][j0];\n                if (bit) {\n                  contextLabel |= bit << shift;\n                }\n              }\n            }\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n    return bitmap;\n  }\n\n  // 6.3.2 Generic Refinement Region Decoding Procedure\n  function decodeRefinement(\n    width,\n    height,\n    templateIndex,\n    referenceBitmap,\n    offsetX,\n    offsetY,\n    prediction,\n    at,\n    decodingContext\n  ) {\n    var codingTemplate = RefinementTemplates[templateIndex].coding;\n    if (templateIndex === 0) {\n      codingTemplate = codingTemplate.concat([at[0]]);\n    }\n    var codingTemplateLength = codingTemplate.length;\n    var codingTemplateX = new Int32Array(codingTemplateLength);\n    var codingTemplateY = new Int32Array(codingTemplateLength);\n    var k;\n    for (k = 0; k < codingTemplateLength; k++) {\n      codingTemplateX[k] = codingTemplate[k].x;\n      codingTemplateY[k] = codingTemplate[k].y;\n    }\n\n    var referenceTemplate = RefinementTemplates[templateIndex].reference;\n    if (templateIndex === 0) {\n      referenceTemplate = referenceTemplate.concat([at[1]]);\n    }\n    var referenceTemplateLength = referenceTemplate.length;\n    var referenceTemplateX = new Int32Array(referenceTemplateLength);\n    var referenceTemplateY = new Int32Array(referenceTemplateLength);\n    for (k = 0; k < referenceTemplateLength; k++) {\n      referenceTemplateX[k] = referenceTemplate[k].x;\n      referenceTemplateY[k] = referenceTemplate[k].y;\n    }\n    var referenceWidth = referenceBitmap[0].length;\n    var referenceHeight = referenceBitmap.length;\n\n    var pseudoPixelContext = RefinementReusedContexts[templateIndex];\n    var bitmap = [];\n\n    var decoder = decodingContext.decoder;\n    var contexts = decodingContext.contextCache.getContexts(\"GR\");\n\n    var ltp = 0;\n    for (var i = 0; i < height; i++) {\n      if (prediction) {\n        var sltp = decoder.readBit(contexts, pseudoPixelContext);\n        ltp ^= sltp;\n        if (ltp) {\n          throw new Jbig2Error(\"prediction is not supported\");\n        }\n      }\n      var row = new Uint8Array(width);\n      bitmap.push(row);\n      for (var j = 0; j < width; j++) {\n        var i0, j0;\n        var contextLabel = 0;\n        for (k = 0; k < codingTemplateLength; k++) {\n          i0 = i + codingTemplateY[k];\n          j0 = j + codingTemplateX[k];\n          if (i0 < 0 || j0 < 0 || j0 >= width) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | bitmap[i0][j0];\n          }\n        }\n        for (k = 0; k < referenceTemplateLength; k++) {\n          i0 = i + referenceTemplateY[k] - offsetY;\n          j0 = j + referenceTemplateX[k] - offsetX;\n          if (\n            i0 < 0 ||\n            i0 >= referenceHeight ||\n            j0 < 0 ||\n            j0 >= referenceWidth\n          ) {\n            contextLabel <<= 1; // out of bound pixel\n          } else {\n            contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0];\n          }\n        }\n        var pixel = decoder.readBit(contexts, contextLabel);\n        row[j] = pixel;\n      }\n    }\n\n    return bitmap;\n  }\n\n  // 6.5.5 Decoding the symbol dictionary\n  function decodeSymbolDictionary(\n    huffman,\n    refinement,\n    symbols,\n    numberOfNewSymbols,\n    numberOfExportedSymbols,\n    huffmanTables,\n    templateIndex,\n    at,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"symbol refinement with Huffman is not supported\");\n    }\n\n    var newSymbols = [];\n    var currentHeight = 0;\n    var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n    let tableB1, symbolWidths;\n    if (huffman) {\n      tableB1 = getStandardTable(1); // standard table B.1\n      symbolWidths = [];\n      symbolCodeLength = Math.max(symbolCodeLength, 1); // 6.5.8.2.3\n    }\n\n    while (newSymbols.length < numberOfNewSymbols) {\n      var deltaHeight = huffman\n        ? huffmanTables.tableDeltaHeight.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADH\", decoder); // 6.5.6\n      currentHeight += deltaHeight;\n      let currentWidth = 0,\n        totalWidth = 0;\n      const firstSymbol = huffman ? symbolWidths.length : 0;\n      while (true) {\n        var deltaWidth = huffman\n          ? huffmanTables.tableDeltaWidth.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADW\", decoder); // 6.5.7\n        if (deltaWidth === null) {\n          break; // OOB\n        }\n        currentWidth += deltaWidth;\n        totalWidth += currentWidth;\n        var bitmap;\n        if (refinement) {\n          // 6.5.8.2 Refinement/aggregate-coded symbol bitmap\n          var numberOfInstances = decodeInteger(contextCache, \"IAAI\", decoder);\n          if (numberOfInstances > 1) {\n            bitmap = decodeTextRegion(\n              huffman,\n              refinement,\n              currentWidth,\n              currentHeight,\n              0,\n              numberOfInstances,\n              1, // strip size\n              symbols.concat(newSymbols),\n              symbolCodeLength,\n              0, // transposed\n              0, // ds offset\n              1, // top left 7.4.3.1.1\n              0, // OR operator\n              huffmanTables,\n              refinementTemplateIndex,\n              refinementAt,\n              decodingContext,\n              0,\n              huffmanInput\n            );\n          } else {\n            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);\n            var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n            var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n            var symbol =\n              symbolId < symbols.length\n                ? symbols[symbolId]\n                : newSymbols[symbolId - symbols.length];\n            bitmap = decodeRefinement(\n              currentWidth,\n              currentHeight,\n              refinementTemplateIndex,\n              symbol,\n              rdx,\n              rdy,\n              false,\n              refinementAt,\n              decodingContext\n            );\n          }\n          newSymbols.push(bitmap);\n        } else if (huffman) {\n          // Store only symbol width and decode a collective bitmap when the\n          // height class is done.\n          symbolWidths.push(currentWidth);\n        } else {\n          // 6.5.8.1 Direct-coded symbol bitmap\n          bitmap = decodeBitmap(\n            false,\n            currentWidth,\n            currentHeight,\n            templateIndex,\n            false,\n            null,\n            at,\n            decodingContext\n          );\n          newSymbols.push(bitmap);\n        }\n      }\n      if (huffman && !refinement) {\n        // 6.5.9 Height class collective bitmap\n        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);\n        huffmanInput.byteAlign();\n        let collectiveBitmap;\n        if (bitmapSize === 0) {\n          // Uncompressed collective bitmap\n          collectiveBitmap = readUncompressedBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight\n          );\n        } else {\n          // MMR collective bitmap\n          const originalEnd = huffmanInput.end;\n          const bitmapEnd = huffmanInput.position + bitmapSize;\n          huffmanInput.end = bitmapEnd;\n          collectiveBitmap = decodeMMRBitmap(\n            huffmanInput,\n            totalWidth,\n            currentHeight,\n            false\n          );\n          huffmanInput.end = originalEnd;\n          huffmanInput.position = bitmapEnd;\n        }\n        const numberOfSymbolsDecoded = symbolWidths.length;\n        if (firstSymbol === numberOfSymbolsDecoded - 1) {\n          // collectiveBitmap is a single symbol.\n          newSymbols.push(collectiveBitmap);\n        } else {\n          // Divide collectiveBitmap into symbols.\n          let i,\n            y,\n            xMin = 0,\n            xMax,\n            bitmapWidth,\n            symbolBitmap;\n          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {\n            bitmapWidth = symbolWidths[i];\n            xMax = xMin + bitmapWidth;\n            symbolBitmap = [];\n            for (y = 0; y < currentHeight; y++) {\n              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n            }\n            newSymbols.push(symbolBitmap);\n            xMin = xMax;\n          }\n        }\n      }\n    }\n\n    // 6.5.10 Exported symbols\n    var exportedSymbols = [];\n    var flags = [],\n      currentFlag = false;\n    var totalSymbolsLength = symbols.length + numberOfNewSymbols;\n    while (flags.length < totalSymbolsLength) {\n      var runLength = huffman\n        ? tableB1.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAEX\", decoder);\n      while (runLength--) {\n        flags.push(currentFlag);\n      }\n      currentFlag = !currentFlag;\n    }\n    for (var i = 0, ii = symbols.length; i < ii; i++) {\n      if (flags[i]) {\n        exportedSymbols.push(symbols[i]);\n      }\n    }\n    for (var j = 0; j < numberOfNewSymbols; i++, j++) {\n      if (flags[i]) {\n        exportedSymbols.push(newSymbols[j]);\n      }\n    }\n    return exportedSymbols;\n  }\n\n  function decodeTextRegion(\n    huffman,\n    refinement,\n    width,\n    height,\n    defaultPixelValue,\n    numberOfSymbolInstances,\n    stripSize,\n    inputSymbols,\n    symbolCodeLength,\n    transposed,\n    dsOffset,\n    referenceCorner,\n    combinationOperator,\n    huffmanTables,\n    refinementTemplateIndex,\n    refinementAt,\n    decodingContext,\n    logStripSize,\n    huffmanInput\n  ) {\n    if (huffman && refinement) {\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    // Prepare bitmap\n    var bitmap = [];\n    var i, row;\n    for (i = 0; i < height; i++) {\n      row = new Uint8Array(width);\n      if (defaultPixelValue) {\n        for (var j = 0; j < width; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      bitmap.push(row);\n    }\n\n    var decoder = decodingContext.decoder;\n    var contextCache = decodingContext.contextCache;\n\n    var stripT = huffman\n      ? -huffmanTables.tableDeltaT.decode(huffmanInput)\n      : -decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n    var firstS = 0;\n    i = 0;\n    while (i < numberOfSymbolInstances) {\n      var deltaT = huffman\n        ? huffmanTables.tableDeltaT.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IADT\", decoder); // 6.4.6\n      stripT += deltaT;\n\n      var deltaFirstS = huffman\n        ? huffmanTables.tableFirstS.decode(huffmanInput)\n        : decodeInteger(contextCache, \"IAFS\", decoder); // 6.4.7\n      firstS += deltaFirstS;\n      var currentS = firstS;\n      do {\n        let currentT = 0; // 6.4.9\n        if (stripSize > 1) {\n          currentT = huffman\n            ? huffmanInput.readBits(logStripSize)\n            : decodeInteger(contextCache, \"IAIT\", decoder);\n        }\n        var t = stripSize * stripT + currentT;\n        var symbolId = huffman\n          ? huffmanTables.symbolIDTable.decode(huffmanInput)\n          : decodeIAID(contextCache, decoder, symbolCodeLength);\n        var applyRefinement =\n          refinement &&\n          (huffman\n            ? huffmanInput.readBit()\n            : decodeInteger(contextCache, \"IARI\", decoder));\n        var symbolBitmap = inputSymbols[symbolId];\n        var symbolWidth = symbolBitmap[0].length;\n        var symbolHeight = symbolBitmap.length;\n        if (applyRefinement) {\n          var rdw = decodeInteger(contextCache, \"IARDW\", decoder); // 6.4.11.1\n          var rdh = decodeInteger(contextCache, \"IARDH\", decoder); // 6.4.11.2\n          var rdx = decodeInteger(contextCache, \"IARDX\", decoder); // 6.4.11.3\n          var rdy = decodeInteger(contextCache, \"IARDY\", decoder); // 6.4.11.4\n          symbolWidth += rdw;\n          symbolHeight += rdh;\n          symbolBitmap = decodeRefinement(\n            symbolWidth,\n            symbolHeight,\n            refinementTemplateIndex,\n            symbolBitmap,\n            (rdw >> 1) + rdx,\n            (rdh >> 1) + rdy,\n            false,\n            refinementAt,\n            decodingContext\n          );\n        }\n        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);\n        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);\n        var s2, t2, symbolRow;\n        if (transposed) {\n          // Place Symbol Bitmap from T1,S1\n          for (s2 = 0; s2 < symbolHeight; s2++) {\n            row = bitmap[offsetS + s2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[s2];\n            // To ignore Parts of Symbol bitmap which goes\n            // outside bitmap region\n            var maxWidth = Math.min(width - offsetT, symbolWidth);\n            switch (combinationOperator) {\n              case 0: // OR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] |= symbolRow[t2];\n                }\n                break;\n              case 2: // XOR\n                for (t2 = 0; t2 < maxWidth; t2++) {\n                  row[offsetT + t2] ^= symbolRow[t2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolHeight - 1;\n        } else {\n          for (t2 = 0; t2 < symbolHeight; t2++) {\n            row = bitmap[offsetT + t2];\n            if (!row) {\n              continue;\n            }\n            symbolRow = symbolBitmap[t2];\n            switch (combinationOperator) {\n              case 0: // OR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] |= symbolRow[s2];\n                }\n                break;\n              case 2: // XOR\n                for (s2 = 0; s2 < symbolWidth; s2++) {\n                  row[offsetS + s2] ^= symbolRow[s2];\n                }\n                break;\n              default:\n                throw new Jbig2Error(\n                  `operator ${combinationOperator} is not supported`\n                );\n            }\n          }\n          currentS += symbolWidth - 1;\n        }\n        i++;\n        var deltaS = huffman\n          ? huffmanTables.tableDeltaS.decode(huffmanInput)\n          : decodeInteger(contextCache, \"IADS\", decoder); // 6.4.8\n        if (deltaS === null) {\n          break; // OOB\n        }\n        currentS += deltaS + dsOffset;\n      } while (true);\n    }\n    return bitmap;\n  }\n\n  function decodePatternDictionary(\n    mmr,\n    patternWidth,\n    patternHeight,\n    maxPatternIndex,\n    template,\n    decodingContext\n  ) {\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: -patternWidth,\n        y: 0,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;\n    const collectiveBitmap = decodeBitmap(\n      mmr,\n      collectiveWidth,\n      patternHeight,\n      template,\n      false,\n      null,\n      at,\n      decodingContext\n    );\n    // Divide collective bitmap into patterns.\n    const patterns = [];\n    for (let i = 0; i <= maxPatternIndex; i++) {\n      const patternBitmap = [];\n      const xMin = patternWidth * i;\n      const xMax = xMin + patternWidth;\n      for (let y = 0; y < patternHeight; y++) {\n        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));\n      }\n      patterns.push(patternBitmap);\n    }\n    return patterns;\n  }\n\n  function decodeHalftoneRegion(\n    mmr,\n    patterns,\n    template,\n    regionWidth,\n    regionHeight,\n    defaultPixelValue,\n    enableSkip,\n    combinationOperator,\n    gridWidth,\n    gridHeight,\n    gridOffsetX,\n    gridOffsetY,\n    gridVectorX,\n    gridVectorY,\n    decodingContext\n  ) {\n    const skip = null;\n    if (enableSkip) {\n      throw new Jbig2Error(\"skip is not supported\");\n    }\n    if (combinationOperator !== 0) {\n      throw new Jbig2Error(\n        \"operator \" +\n          combinationOperator +\n          \" is not supported in halftone region\"\n      );\n    }\n\n    // Prepare bitmap.\n    const regionBitmap = [];\n    let i, j, row;\n    for (i = 0; i < regionHeight; i++) {\n      row = new Uint8Array(regionWidth);\n      if (defaultPixelValue) {\n        for (j = 0; j < regionWidth; j++) {\n          row[j] = defaultPixelValue;\n        }\n      }\n      regionBitmap.push(row);\n    }\n\n    const numberOfPatterns = patterns.length;\n    const pattern0 = patterns[0];\n    const patternWidth = pattern0[0].length,\n      patternHeight = pattern0.length;\n    const bitsPerValue = log2(numberOfPatterns);\n    const at = [];\n    if (!mmr) {\n      at.push({\n        x: template <= 1 ? 3 : 2,\n        y: -1,\n      });\n      if (template === 0) {\n        at.push({\n          x: -3,\n          y: -1,\n        });\n        at.push({\n          x: 2,\n          y: -2,\n        });\n        at.push({\n          x: -2,\n          y: -2,\n        });\n      }\n    }\n    // Annex C. Gray-scale Image Decoding Procedure.\n    const grayScaleBitPlanes = [];\n    let mmrInput, bitmap;\n    if (mmr) {\n      // MMR bit planes are in one continuous stream. Only EOFB codes indicate\n      // the end of each bitmap, so EOFBs must be decoded.\n      mmrInput = new Reader(\n        decodingContext.data,\n        decodingContext.start,\n        decodingContext.end\n      );\n    }\n    for (i = bitsPerValue - 1; i >= 0; i--) {\n      if (mmr) {\n        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);\n      } else {\n        bitmap = decodeBitmap(\n          false,\n          gridWidth,\n          gridHeight,\n          template,\n          false,\n          skip,\n          at,\n          decodingContext\n        );\n      }\n      grayScaleBitPlanes[i] = bitmap;\n    }\n    // 6.6.5.2 Rendering the patterns.\n    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;\n    for (mg = 0; mg < gridHeight; mg++) {\n      for (ng = 0; ng < gridWidth; ng++) {\n        bit = 0;\n        patternIndex = 0;\n        for (j = bitsPerValue - 1; j >= 0; j--) {\n          bit = grayScaleBitPlanes[j][mg][ng] ^ bit; // Gray decoding\n          patternIndex |= bit << j;\n        }\n        patternBitmap = patterns[patternIndex];\n        x = (gridOffsetX + mg * gridVectorY + ng * gridVectorX) >> 8;\n        y = (gridOffsetY + mg * gridVectorX - ng * gridVectorY) >> 8;\n        // Draw patternBitmap at (x, y).\n        if (\n          x >= 0 &&\n          x + patternWidth <= regionWidth &&\n          y >= 0 &&\n          y + patternHeight <= regionHeight\n        ) {\n          for (i = 0; i < patternHeight; i++) {\n            regionRow = regionBitmap[y + i];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionRow[x + j] |= patternRow[j];\n            }\n          }\n        } else {\n          let regionX, regionY;\n          for (i = 0; i < patternHeight; i++) {\n            regionY = y + i;\n            if (regionY < 0 || regionY >= regionHeight) {\n              continue;\n            }\n            regionRow = regionBitmap[regionY];\n            patternRow = patternBitmap[i];\n            for (j = 0; j < patternWidth; j++) {\n              regionX = x + j;\n              if (regionX >= 0 && regionX < regionWidth) {\n                regionRow[regionX] |= patternRow[j];\n              }\n            }\n          }\n        }\n      }\n    }\n    return regionBitmap;\n  }\n\n  function readSegmentHeader(data, start) {\n    var segmentHeader = {};\n    segmentHeader.number = readUint32(data, start);\n    var flags = data[start + 4];\n    var segmentType = flags & 0x3f;\n    if (!SegmentTypes[segmentType]) {\n      throw new Jbig2Error(\"invalid segment type: \" + segmentType);\n    }\n    segmentHeader.type = segmentType;\n    segmentHeader.typeName = SegmentTypes[segmentType];\n    segmentHeader.deferredNonRetain = !!(flags & 0x80);\n\n    var pageAssociationFieldSize = !!(flags & 0x40);\n    var referredFlags = data[start + 5];\n    var referredToCount = (referredFlags >> 5) & 7;\n    var retainBits = [referredFlags & 31];\n    var position = start + 6;\n    if (referredFlags === 7) {\n      referredToCount = readUint32(data, position - 1) & 0x1fffffff;\n      position += 3;\n      var bytes = (referredToCount + 7) >> 3;\n      retainBits[0] = data[position++];\n      while (--bytes > 0) {\n        retainBits.push(data[position++]);\n      }\n    } else if (referredFlags === 5 || referredFlags === 6) {\n      throw new Jbig2Error(\"invalid referred-to flags\");\n    }\n\n    segmentHeader.retainBits = retainBits;\n\n    let referredToSegmentNumberSize = 4;\n    if (segmentHeader.number <= 256) {\n      referredToSegmentNumberSize = 1;\n    } else if (segmentHeader.number <= 65536) {\n      referredToSegmentNumberSize = 2;\n    }\n    var referredTo = [];\n    var i, ii;\n    for (i = 0; i < referredToCount; i++) {\n      let number;\n      if (referredToSegmentNumberSize === 1) {\n        number = data[position];\n      } else if (referredToSegmentNumberSize === 2) {\n        number = readUint16(data, position);\n      } else {\n        number = readUint32(data, position);\n      }\n      referredTo.push(number);\n      position += referredToSegmentNumberSize;\n    }\n    segmentHeader.referredTo = referredTo;\n    if (!pageAssociationFieldSize) {\n      segmentHeader.pageAssociation = data[position++];\n    } else {\n      segmentHeader.pageAssociation = readUint32(data, position);\n      position += 4;\n    }\n    segmentHeader.length = readUint32(data, position);\n    position += 4;\n\n    if (segmentHeader.length === 0xffffffff) {\n      // 7.2.7 Segment data length, unknown segment length\n      if (segmentType === 38) {\n        // ImmediateGenericRegion\n        var genericRegionInfo = readRegionSegmentInformation(data, position);\n        var genericRegionSegmentFlags =\n          data[position + RegionSegmentInformationFieldLength];\n        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);\n        // searching for the segment end\n        var searchPatternLength = 6;\n        var searchPattern = new Uint8Array(searchPatternLength);\n        if (!genericRegionMmr) {\n          searchPattern[0] = 0xff;\n          searchPattern[1] = 0xac;\n        }\n        searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xff;\n        searchPattern[3] = (genericRegionInfo.height >> 16) & 0xff;\n        searchPattern[4] = (genericRegionInfo.height >> 8) & 0xff;\n        searchPattern[5] = genericRegionInfo.height & 0xff;\n        for (i = position, ii = data.length; i < ii; i++) {\n          var j = 0;\n          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {\n            j++;\n          }\n          if (j === searchPatternLength) {\n            segmentHeader.length = i + searchPatternLength;\n            break;\n          }\n        }\n        if (segmentHeader.length === 0xffffffff) {\n          throw new Jbig2Error(\"segment end was not found\");\n        }\n      } else {\n        throw new Jbig2Error(\"invalid unknown segment length\");\n      }\n    }\n    segmentHeader.headerEnd = position;\n    return segmentHeader;\n  }\n\n  function readSegments(header, data, start, end) {\n    var segments = [];\n    var position = start;\n    while (position < end) {\n      var segmentHeader = readSegmentHeader(data, position);\n      position = segmentHeader.headerEnd;\n      var segment = {\n        header: segmentHeader,\n        data,\n      };\n      if (!header.randomAccess) {\n        segment.start = position;\n        position += segmentHeader.length;\n        segment.end = position;\n      }\n      segments.push(segment);\n      if (segmentHeader.type === 51) {\n        break; // end of file is found\n      }\n    }\n    if (header.randomAccess) {\n      for (var i = 0, ii = segments.length; i < ii; i++) {\n        segments[i].start = position;\n        position += segments[i].header.length;\n        segments[i].end = position;\n      }\n    }\n    return segments;\n  }\n\n  // 7.4.1 Region segment information field\n  function readRegionSegmentInformation(data, start) {\n    return {\n      width: readUint32(data, start),\n      height: readUint32(data, start + 4),\n      x: readUint32(data, start + 8),\n      y: readUint32(data, start + 12),\n      combinationOperator: data[start + 16] & 7,\n    };\n  }\n  var RegionSegmentInformationFieldLength = 17;\n\n  function processSegment(segment, visitor) {\n    var header = segment.header;\n\n    var data = segment.data,\n      position = segment.start,\n      end = segment.end;\n    var args, at, i, atLength;\n    switch (header.type) {\n      case 0: // SymbolDictionary\n        // 7.4.2 Symbol dictionary segment syntax\n        var dictionary = {};\n        var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1\n        dictionary.huffman = !!(dictionaryFlags & 1);\n        dictionary.refinement = !!(dictionaryFlags & 2);\n        dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3;\n        dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3;\n        dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1;\n        dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1;\n        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);\n        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);\n        dictionary.template = (dictionaryFlags >> 10) & 3;\n        dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1;\n        position += 2;\n        if (!dictionary.huffman) {\n          atLength = dictionary.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.at = at;\n        }\n        if (dictionary.refinement && !dictionary.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          dictionary.refinementAt = at;\n        }\n        dictionary.numberOfExportedSymbols = readUint32(data, position);\n        position += 4;\n        dictionary.numberOfNewSymbols = readUint32(data, position);\n        position += 4;\n        args = [\n          dictionary,\n          header.number,\n          header.referredTo,\n          data,\n          position,\n          end,\n        ];\n        break;\n      case 6: // ImmediateTextRegion\n      case 7: // ImmediateLosslessTextRegion\n        var textRegion = {};\n        textRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var textRegionSegmentFlags = readUint16(data, position);\n        position += 2;\n        textRegion.huffman = !!(textRegionSegmentFlags & 1);\n        textRegion.refinement = !!(textRegionSegmentFlags & 2);\n        textRegion.logStripSize = (textRegionSegmentFlags >> 2) & 3;\n        textRegion.stripSize = 1 << textRegion.logStripSize;\n        textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3;\n        textRegion.transposed = !!(textRegionSegmentFlags & 64);\n        textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3;\n        textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1;\n        textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27;\n        textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1;\n        if (textRegion.huffman) {\n          var textRegionHuffmanFlags = readUint16(data, position);\n          position += 2;\n          textRegion.huffmanFS = textRegionHuffmanFlags & 3;\n          textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3;\n          textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3;\n          textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3;\n          textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3;\n          textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3;\n          textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3;\n          textRegion.huffmanRefinementSizeSelector = !!(\n            textRegionHuffmanFlags & 0x4000\n          );\n        }\n        if (textRegion.refinement && !textRegion.refinementTemplate) {\n          at = [];\n          for (i = 0; i < 2; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          textRegion.refinementAt = at;\n        }\n        textRegion.numberOfSymbolInstances = readUint32(data, position);\n        position += 4;\n        args = [textRegion, header.referredTo, data, position, end];\n        break;\n      case 16: // PatternDictionary\n        // 7.4.4. Pattern dictionary segment syntax\n        const patternDictionary = {};\n        const patternDictionaryFlags = data[position++];\n        patternDictionary.mmr = !!(patternDictionaryFlags & 1);\n        patternDictionary.template = (patternDictionaryFlags >> 1) & 3;\n        patternDictionary.patternWidth = data[position++];\n        patternDictionary.patternHeight = data[position++];\n        patternDictionary.maxPatternIndex = readUint32(data, position);\n        position += 4;\n        args = [patternDictionary, header.number, data, position, end];\n        break;\n      case 22: // ImmediateHalftoneRegion\n      case 23: // ImmediateLosslessHalftoneRegion\n        // 7.4.5 Halftone region segment syntax\n        const halftoneRegion = {};\n        halftoneRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        const halftoneRegionFlags = data[position++];\n        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);\n        halftoneRegion.template = (halftoneRegionFlags >> 1) & 3;\n        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);\n        halftoneRegion.combinationOperator = (halftoneRegionFlags >> 4) & 7;\n        halftoneRegion.defaultPixelValue = (halftoneRegionFlags >> 7) & 1;\n        halftoneRegion.gridWidth = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridHeight = readUint32(data, position);\n        position += 4;\n        halftoneRegion.gridOffsetX = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridOffsetY = readUint32(data, position) & 0xffffffff;\n        position += 4;\n        halftoneRegion.gridVectorX = readUint16(data, position);\n        position += 2;\n        halftoneRegion.gridVectorY = readUint16(data, position);\n        position += 2;\n        args = [halftoneRegion, header.referredTo, data, position, end];\n        break;\n      case 38: // ImmediateGenericRegion\n      case 39: // ImmediateLosslessGenericRegion\n        var genericRegion = {};\n        genericRegion.info = readRegionSegmentInformation(data, position);\n        position += RegionSegmentInformationFieldLength;\n        var genericRegionSegmentFlags = data[position++];\n        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);\n        genericRegion.template = (genericRegionSegmentFlags >> 1) & 3;\n        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);\n        if (!genericRegion.mmr) {\n          atLength = genericRegion.template === 0 ? 4 : 1;\n          at = [];\n          for (i = 0; i < atLength; i++) {\n            at.push({\n              x: readInt8(data, position),\n              y: readInt8(data, position + 1),\n            });\n            position += 2;\n          }\n          genericRegion.at = at;\n        }\n        args = [genericRegion, data, position, end];\n        break;\n      case 48: // PageInformation\n        var pageInfo = {\n          width: readUint32(data, position),\n          height: readUint32(data, position + 4),\n          resolutionX: readUint32(data, position + 8),\n          resolutionY: readUint32(data, position + 12),\n        };\n        if (pageInfo.height === 0xffffffff) {\n          delete pageInfo.height;\n        }\n        var pageSegmentFlags = data[position + 16];\n        readUint16(data, position + 17); // pageStripingInformation\n        pageInfo.lossless = !!(pageSegmentFlags & 1);\n        pageInfo.refinement = !!(pageSegmentFlags & 2);\n        pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1;\n        pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3;\n        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);\n        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);\n        args = [pageInfo];\n        break;\n      case 49: // EndOfPage\n        break;\n      case 50: // EndOfStripe\n        break;\n      case 51: // EndOfFile\n        break;\n      case 53: // Tables\n        args = [header.number, data, position, end];\n        break;\n      case 62: // 7.4.15 defines 2 extension types which\n        // are comments and can be ignored.\n        break;\n      default:\n        throw new Jbig2Error(\n          `segment type ${header.typeName}(${header.type})` +\n            \" is not implemented\"\n        );\n    }\n    var callbackName = \"on\" + header.typeName;\n    if (callbackName in visitor) {\n      visitor[callbackName].apply(visitor, args);\n    }\n  }\n\n  function processSegments(segments, visitor) {\n    for (var i = 0, ii = segments.length; i < ii; i++) {\n      processSegment(segments[i], visitor);\n    }\n  }\n\n  function parseJbig2Chunks(chunks) {\n    var visitor = new SimpleSegmentVisitor();\n    for (var i = 0, ii = chunks.length; i < ii; i++) {\n      var chunk = chunks[i];\n      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);\n      processSegments(segments, visitor);\n    }\n    return visitor.buffer;\n  }\n\n  function parseJbig2(data) {\n    const end = data.length;\n    let position = 0;\n\n    if (\n      data[position] !== 0x97 ||\n      data[position + 1] !== 0x4a ||\n      data[position + 2] !== 0x42 ||\n      data[position + 3] !== 0x32 ||\n      data[position + 4] !== 0x0d ||\n      data[position + 5] !== 0x0a ||\n      data[position + 6] !== 0x1a ||\n      data[position + 7] !== 0x0a\n    ) {\n      throw new Jbig2Error(\"parseJbig2 - invalid header.\");\n    }\n\n    const header = Object.create(null);\n    position += 8;\n    const flags = data[position++];\n    header.randomAccess = !(flags & 1);\n    if (!(flags & 2)) {\n      header.numberOfPages = readUint32(data, position);\n      position += 4;\n    }\n\n    const segments = readSegments(header, data, position, end);\n    const visitor = new SimpleSegmentVisitor();\n    processSegments(segments, visitor);\n\n    const { width, height } = visitor.currentPageInfo;\n    const bitPacked = visitor.buffer;\n    const imgData = new Uint8ClampedArray(width * height);\n    let q = 0,\n      k = 0;\n    for (let i = 0; i < height; i++) {\n      let mask = 0,\n        buffer;\n      for (let j = 0; j < width; j++) {\n        if (!mask) {\n          mask = 128;\n          buffer = bitPacked[k++];\n        }\n        imgData[q++] = buffer & mask ? 0 : 255;\n        mask >>= 1;\n      }\n    }\n\n    return { imgData, width, height };\n  }\n\n  function SimpleSegmentVisitor() {}\n\n  SimpleSegmentVisitor.prototype = {\n    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {\n      this.currentPageInfo = info;\n      var rowSize = (info.width + 7) >> 3;\n      var buffer = new Uint8ClampedArray(rowSize * info.height);\n      // The contents of ArrayBuffers are initialized to 0.\n      // Fill the buffer with 0xFF only if info.defaultPixelValue is set\n      if (info.defaultPixelValue) {\n        for (var i = 0, ii = buffer.length; i < ii; i++) {\n          buffer[i] = 0xff;\n        }\n      }\n      this.buffer = buffer;\n    },\n    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {\n      var pageInfo = this.currentPageInfo;\n      var width = regionInfo.width,\n        height = regionInfo.height;\n      var rowSize = (pageInfo.width + 7) >> 3;\n      var combinationOperator = pageInfo.combinationOperatorOverride\n        ? regionInfo.combinationOperator\n        : pageInfo.combinationOperator;\n      var buffer = this.buffer;\n      var mask0 = 128 >> (regionInfo.x & 7);\n      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);\n      var i, j, mask, offset;\n      switch (combinationOperator) {\n        case 0: // OR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] |= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        case 2: // XOR\n          for (i = 0; i < height; i++) {\n            mask = mask0;\n            offset = offset0;\n            for (j = 0; j < width; j++) {\n              if (bitmap[i][j]) {\n                buffer[offset] ^= mask;\n              }\n              mask >>= 1;\n              if (!mask) {\n                mask = 128;\n                offset++;\n              }\n            }\n            offset0 += rowSize;\n          }\n          break;\n        default:\n          throw new Jbig2Error(\n            `operator ${combinationOperator} is not supported`\n          );\n      }\n    },\n    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(\n      region,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeBitmap(\n        region.mmr,\n        regionInfo.width,\n        regionInfo.height,\n        region.template,\n        region.prediction,\n        null,\n        region.at,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {\n      this.onImmediateGenericRegion.apply(this, arguments);\n    },\n    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(\n      dictionary,\n      currentSegment,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      let huffmanTables, huffmanInput;\n      if (dictionary.huffman) {\n        huffmanTables = getSymbolDictionaryHuffmanTables(\n          dictionary,\n          referredSegments,\n          this.customTables\n        );\n        huffmanInput = new Reader(data, start, end);\n      }\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      if (!symbols) {\n        this.symbols = symbols = {};\n      }\n\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      symbols[currentSegment] = decodeSymbolDictionary(\n        dictionary.huffman,\n        dictionary.refinement,\n        inputSymbols,\n        dictionary.numberOfNewSymbols,\n        dictionary.numberOfExportedSymbols,\n        huffmanTables,\n        dictionary.template,\n        dictionary.at,\n        dictionary.refinementTemplate,\n        dictionary.refinementAt,\n        decodingContext,\n        huffmanInput\n      );\n    },\n    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(\n      region,\n      referredSegments,\n      data,\n      start,\n      end\n    ) {\n      var regionInfo = region.info;\n      let huffmanTables, huffmanInput;\n\n      // Combines exported symbols from all referred segments\n      var symbols = this.symbols;\n      var inputSymbols = [];\n      for (var i = 0, ii = referredSegments.length; i < ii; i++) {\n        const referredSymbols = symbols[referredSegments[i]];\n        // referredSymbols is undefined when we have a reference to a Tables\n        // segment instead of a SymbolDictionary.\n        if (referredSymbols) {\n          inputSymbols = inputSymbols.concat(referredSymbols);\n        }\n      }\n      var symbolCodeLength = log2(inputSymbols.length);\n      if (region.huffman) {\n        huffmanInput = new Reader(data, start, end);\n        huffmanTables = getTextRegionHuffmanTables(\n          region,\n          referredSegments,\n          this.customTables,\n          inputSymbols.length,\n          huffmanInput\n        );\n      }\n\n      var decodingContext = new DecodingContext(data, start, end);\n      var bitmap = decodeTextRegion(\n        region.huffman,\n        region.refinement,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.numberOfSymbolInstances,\n        region.stripSize,\n        inputSymbols,\n        symbolCodeLength,\n        region.transposed,\n        region.dsOffset,\n        region.referenceCorner,\n        region.combinationOperator,\n        huffmanTables,\n        region.refinementTemplate,\n        region.refinementAt,\n        decodingContext,\n        region.logStripSize,\n        huffmanInput\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {\n      this.onImmediateTextRegion.apply(this, arguments);\n    },\n    onPatternDictionary(dictionary, currentSegment, data, start, end) {\n      let patterns = this.patterns;\n      if (!patterns) {\n        this.patterns = patterns = {};\n      }\n      const decodingContext = new DecodingContext(data, start, end);\n      patterns[currentSegment] = decodePatternDictionary(\n        dictionary.mmr,\n        dictionary.patternWidth,\n        dictionary.patternHeight,\n        dictionary.maxPatternIndex,\n        dictionary.template,\n        decodingContext\n      );\n    },\n    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {\n      // HalftoneRegion refers to exactly one PatternDictionary.\n      const patterns = this.patterns[referredSegments[0]];\n      const regionInfo = region.info;\n      const decodingContext = new DecodingContext(data, start, end);\n      const bitmap = decodeHalftoneRegion(\n        region.mmr,\n        patterns,\n        region.template,\n        regionInfo.width,\n        regionInfo.height,\n        region.defaultPixelValue,\n        region.enableSkip,\n        region.combinationOperator,\n        region.gridWidth,\n        region.gridHeight,\n        region.gridOffsetX,\n        region.gridOffsetY,\n        region.gridVectorX,\n        region.gridVectorY,\n        decodingContext\n      );\n      this.drawBitmap(regionInfo, bitmap);\n    },\n    onImmediateLosslessHalftoneRegion() {\n      this.onImmediateHalftoneRegion.apply(this, arguments);\n    },\n    onTables(currentSegment, data, start, end) {\n      let customTables = this.customTables;\n      if (!customTables) {\n        this.customTables = customTables = {};\n      }\n      customTables[currentSegment] = decodeTablesSegment(data, start, end);\n    },\n  };\n\n  function HuffmanLine(lineData) {\n    if (lineData.length === 2) {\n      // OOB line.\n      this.isOOB = true;\n      this.rangeLow = 0;\n      this.prefixLength = lineData[0];\n      this.rangeLength = 0;\n      this.prefixCode = lineData[1];\n      this.isLowerRange = false;\n    } else {\n      // Normal, upper range or lower range line.\n      // Upper range lines are processed like normal lines.\n      this.isOOB = false;\n      this.rangeLow = lineData[0];\n      this.prefixLength = lineData[1];\n      this.rangeLength = lineData[2];\n      this.prefixCode = lineData[3];\n      this.isLowerRange = lineData[4] === \"lower\";\n    }\n  }\n\n  function HuffmanTreeNode(line) {\n    this.children = [];\n    if (line) {\n      // Leaf node\n      this.isLeaf = true;\n      this.rangeLength = line.rangeLength;\n      this.rangeLow = line.rangeLow;\n      this.isLowerRange = line.isLowerRange;\n      this.isOOB = line.isOOB;\n    } else {\n      // Intermediate or root node\n      this.isLeaf = false;\n    }\n  }\n\n  HuffmanTreeNode.prototype = {\n    buildTree(line, shift) {\n      const bit = (line.prefixCode >> shift) & 1;\n      if (shift <= 0) {\n        // Create a leaf node.\n        this.children[bit] = new HuffmanTreeNode(line);\n      } else {\n        // Create an intermediate node and continue recursively.\n        let node = this.children[bit];\n        if (!node) {\n          this.children[bit] = node = new HuffmanTreeNode(null);\n        }\n        node.buildTree(line, shift - 1);\n      }\n    },\n    decodeNode(reader) {\n      if (this.isLeaf) {\n        if (this.isOOB) {\n          return null;\n        }\n        const htOffset = reader.readBits(this.rangeLength);\n        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);\n      }\n      const node = this.children[reader.readBit()];\n      if (!node) {\n        throw new Jbig2Error(\"invalid Huffman data\");\n      }\n      return node.decodeNode(reader);\n    },\n  };\n\n  function HuffmanTable(lines, prefixCodesDone) {\n    if (!prefixCodesDone) {\n      this.assignPrefixCodes(lines);\n    }\n    // Create Huffman tree.\n    this.rootNode = new HuffmanTreeNode(null);\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      const line = lines[i];\n      if (line.prefixLength > 0) {\n        this.rootNode.buildTree(line, line.prefixLength - 1);\n      }\n    }\n  }\n\n  HuffmanTable.prototype = {\n    decode(reader) {\n      return this.rootNode.decodeNode(reader);\n    },\n    assignPrefixCodes(lines) {\n      // Annex B.3 Assigning the prefix codes.\n      const linesLength = lines.length;\n      let prefixLengthMax = 0;\n      for (let i = 0; i < linesLength; i++) {\n        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);\n      }\n\n      const histogram = new Uint32Array(prefixLengthMax + 1);\n      for (let i = 0; i < linesLength; i++) {\n        histogram[lines[i].prefixLength]++;\n      }\n      let currentLength = 1,\n        firstCode = 0,\n        currentCode,\n        currentTemp,\n        line;\n      histogram[0] = 0;\n\n      while (currentLength <= prefixLengthMax) {\n        firstCode = (firstCode + histogram[currentLength - 1]) << 1;\n        currentCode = firstCode;\n        currentTemp = 0;\n        while (currentTemp < linesLength) {\n          line = lines[currentTemp];\n          if (line.prefixLength === currentLength) {\n            line.prefixCode = currentCode;\n            currentCode++;\n          }\n          currentTemp++;\n        }\n        currentLength++;\n      }\n    },\n  };\n\n  function decodeTablesSegment(data, start, end) {\n    // Decodes a Tables segment, i.e., a custom Huffman table.\n    // Annex B.2 Code table structure.\n    const flags = data[start];\n    const lowestValue = readUint32(data, start + 1) & 0xffffffff;\n    const highestValue = readUint32(data, start + 5) & 0xffffffff;\n    const reader = new Reader(data, start + 9, end);\n\n    const prefixSizeBits = ((flags >> 1) & 7) + 1;\n    const rangeSizeBits = ((flags >> 4) & 7) + 1;\n    const lines = [];\n    let prefixLength,\n      rangeLength,\n      currentRangeLow = lowestValue;\n\n    // Normal table lines\n    do {\n      prefixLength = reader.readBits(prefixSizeBits);\n      rangeLength = reader.readBits(rangeSizeBits);\n      lines.push(\n        new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0])\n      );\n      currentRangeLow += 1 << rangeLength;\n    } while (currentRangeLow < highestValue);\n\n    // Lower range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(\n      new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, \"lower\"])\n    );\n\n    // Upper range table line\n    prefixLength = reader.readBits(prefixSizeBits);\n    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));\n\n    if (flags & 1) {\n      // Out-of-band table line\n      prefixLength = reader.readBits(prefixSizeBits);\n      lines.push(new HuffmanLine([prefixLength, 0]));\n    }\n\n    return new HuffmanTable(lines, false);\n  }\n\n  const standardTablesCache = {};\n\n  function getStandardTable(number) {\n    // Annex B.5 Standard Huffman tables.\n    let table = standardTablesCache[number];\n    if (table) {\n      return table;\n    }\n    let lines;\n    switch (number) {\n      case 1:\n        lines = [\n          [0, 1, 4, 0x0],\n          [16, 2, 8, 0x2],\n          [272, 3, 16, 0x6],\n          [65808, 3, 32, 0x7], // upper\n        ];\n        break;\n      case 2:\n        lines = [\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [75, 6, 32, 0x3e], // upper\n          [6, 0x3f], // OOB\n        ];\n        break;\n      case 3:\n        lines = [\n          [-256, 8, 8, 0xfe],\n          [0, 1, 0, 0x0],\n          [1, 2, 0, 0x2],\n          [2, 3, 0, 0x6],\n          [3, 4, 3, 0xe],\n          [11, 5, 6, 0x1e],\n          [-257, 8, 32, 0xff, \"lower\"],\n          [75, 7, 32, 0x7e], // upper\n          [6, 0x3e], // OOB\n        ];\n        break;\n      case 4:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [76, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 5:\n        lines = [\n          [-255, 7, 8, 0x7e],\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 0, 0x6],\n          [4, 4, 3, 0xe],\n          [12, 5, 6, 0x1e],\n          [-256, 7, 32, 0x7f, \"lower\"],\n          [76, 6, 32, 0x3e], // upper\n        ];\n        break;\n      case 6:\n        lines = [\n          [-2048, 5, 10, 0x1c],\n          [-1024, 4, 9, 0x8],\n          [-512, 4, 8, 0x9],\n          [-256, 4, 7, 0xa],\n          [-128, 5, 6, 0x1d],\n          [-64, 5, 5, 0x1e],\n          [-32, 4, 5, 0xb],\n          [0, 2, 7, 0x0],\n          [128, 3, 7, 0x2],\n          [256, 3, 8, 0x3],\n          [512, 4, 9, 0xc],\n          [1024, 4, 10, 0xd],\n          [-2049, 6, 32, 0x3e, \"lower\"],\n          [2048, 6, 32, 0x3f], // upper\n        ];\n        break;\n      case 7:\n        lines = [\n          [-1024, 4, 9, 0x8],\n          [-512, 3, 8, 0x0],\n          [-256, 4, 7, 0x9],\n          [-128, 5, 6, 0x1a],\n          [-64, 5, 5, 0x1b],\n          [-32, 4, 5, 0xa],\n          [0, 4, 5, 0xb],\n          [32, 5, 5, 0x1c],\n          [64, 5, 6, 0x1d],\n          [128, 4, 7, 0xc],\n          [256, 3, 8, 0x1],\n          [512, 3, 9, 0x2],\n          [1024, 3, 10, 0x3],\n          [-1025, 5, 32, 0x1e, \"lower\"],\n          [2048, 5, 32, 0x1f], // upper\n        ];\n        break;\n      case 8:\n        lines = [\n          [-15, 8, 3, 0xfc],\n          [-7, 9, 1, 0x1fc],\n          [-5, 8, 1, 0xfd],\n          [-3, 9, 0, 0x1fd],\n          [-2, 7, 0, 0x7c],\n          [-1, 4, 0, 0xa],\n          [0, 2, 1, 0x0],\n          [2, 5, 0, 0x1a],\n          [3, 6, 0, 0x3a],\n          [4, 3, 4, 0x4],\n          [20, 6, 1, 0x3b],\n          [22, 4, 4, 0xb],\n          [38, 4, 5, 0xc],\n          [70, 5, 6, 0x1b],\n          [134, 5, 7, 0x1c],\n          [262, 6, 7, 0x3c],\n          [390, 7, 8, 0x7d],\n          [646, 6, 10, 0x3d],\n          [-16, 9, 32, 0x1fe, \"lower\"],\n          [1670, 9, 32, 0x1ff], // upper\n          [2, 0x1], // OOB\n        ];\n        break;\n      case 9:\n        lines = [\n          [-31, 8, 4, 0xfc],\n          [-15, 9, 2, 0x1fc],\n          [-11, 8, 2, 0xfd],\n          [-7, 9, 1, 0x1fd],\n          [-5, 7, 1, 0x7c],\n          [-3, 4, 1, 0xa],\n          [-1, 3, 1, 0x2],\n          [1, 3, 1, 0x3],\n          [3, 5, 1, 0x1a],\n          [5, 6, 1, 0x3a],\n          [7, 3, 5, 0x4],\n          [39, 6, 2, 0x3b],\n          [43, 4, 5, 0xb],\n          [75, 4, 6, 0xc],\n          [139, 5, 7, 0x1b],\n          [267, 5, 8, 0x1c],\n          [523, 6, 8, 0x3c],\n          [779, 7, 9, 0x7d],\n          [1291, 6, 11, 0x3d],\n          [-32, 9, 32, 0x1fe, \"lower\"],\n          [3339, 9, 32, 0x1ff], // upper\n          [2, 0x0], // OOB\n        ];\n        break;\n      case 10:\n        lines = [\n          [-21, 7, 4, 0x7a],\n          [-5, 8, 0, 0xfc],\n          [-4, 7, 0, 0x7b],\n          [-3, 5, 0, 0x18],\n          [-2, 2, 2, 0x0],\n          [2, 5, 0, 0x19],\n          [3, 6, 0, 0x36],\n          [4, 7, 0, 0x7c],\n          [5, 8, 0, 0xfd],\n          [6, 2, 6, 0x1],\n          [70, 5, 5, 0x1a],\n          [102, 6, 5, 0x37],\n          [134, 6, 6, 0x38],\n          [198, 6, 7, 0x39],\n          [326, 6, 8, 0x3a],\n          [582, 6, 9, 0x3b],\n          [1094, 6, 10, 0x3c],\n          [2118, 7, 11, 0x7d],\n          [-22, 8, 32, 0xfe, \"lower\"],\n          [4166, 8, 32, 0xff], // upper\n          [2, 0x2], // OOB\n        ];\n        break;\n      case 11:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 1, 0x2],\n          [4, 4, 0, 0xc],\n          [5, 4, 1, 0xd],\n          [7, 5, 1, 0x1c],\n          [9, 5, 2, 0x1d],\n          [13, 6, 2, 0x3c],\n          [17, 7, 2, 0x7a],\n          [21, 7, 3, 0x7b],\n          [29, 7, 4, 0x7c],\n          [45, 7, 5, 0x7d],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 12:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 2, 0, 0x2],\n          [3, 3, 1, 0x6],\n          [5, 5, 0, 0x1c],\n          [6, 5, 1, 0x1d],\n          [8, 6, 1, 0x3c],\n          [10, 7, 0, 0x7a],\n          [11, 7, 1, 0x7b],\n          [13, 7, 2, 0x7c],\n          [17, 7, 3, 0x7d],\n          [25, 7, 4, 0x7e],\n          [41, 8, 5, 0xfe],\n          [73, 8, 32, 0xff], // upper\n        ];\n        break;\n      case 13:\n        lines = [\n          [1, 1, 0, 0x0],\n          [2, 3, 0, 0x4],\n          [3, 4, 0, 0xc],\n          [4, 5, 0, 0x1c],\n          [5, 4, 1, 0xd],\n          [7, 3, 3, 0x5],\n          [15, 6, 1, 0x3a],\n          [17, 6, 2, 0x3b],\n          [21, 6, 3, 0x3c],\n          [29, 6, 4, 0x3d],\n          [45, 6, 5, 0x3e],\n          [77, 7, 6, 0x7e],\n          [141, 7, 32, 0x7f], // upper\n        ];\n        break;\n      case 14:\n        lines = [\n          [-2, 3, 0, 0x4],\n          [-1, 3, 0, 0x5],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x6],\n          [2, 3, 0, 0x7],\n        ];\n        break;\n      case 15:\n        lines = [\n          [-24, 7, 4, 0x7c],\n          [-8, 6, 2, 0x3c],\n          [-4, 5, 1, 0x1c],\n          [-2, 4, 0, 0xc],\n          [-1, 3, 0, 0x4],\n          [0, 1, 0, 0x0],\n          [1, 3, 0, 0x5],\n          [2, 4, 0, 0xd],\n          [3, 5, 1, 0x1d],\n          [5, 6, 2, 0x3d],\n          [9, 7, 4, 0x7d],\n          [-25, 7, 32, 0x7e, \"lower\"],\n          [25, 7, 32, 0x7f], // upper\n        ];\n        break;\n      default:\n        throw new Jbig2Error(`standard table B.${number} does not exist`);\n    }\n\n    for (let i = 0, ii = lines.length; i < ii; i++) {\n      lines[i] = new HuffmanLine(lines[i]);\n    }\n    table = new HuffmanTable(lines, true);\n    standardTablesCache[number] = table;\n    return table;\n  }\n\n  function Reader(data, start, end) {\n    this.data = data;\n    this.start = start;\n    this.end = end;\n    this.position = start;\n    this.shift = -1;\n    this.currentByte = 0;\n  }\n\n  Reader.prototype = {\n    readBit() {\n      if (this.shift < 0) {\n        if (this.position >= this.end) {\n          throw new Jbig2Error(\"end of data while reading bit\");\n        }\n        this.currentByte = this.data[this.position++];\n        this.shift = 7;\n      }\n      const bit = (this.currentByte >> this.shift) & 1;\n      this.shift--;\n      return bit;\n    },\n\n    readBits(numBits) {\n      let result = 0,\n        i;\n      for (i = numBits - 1; i >= 0; i--) {\n        result |= this.readBit() << i;\n      }\n      return result;\n    },\n\n    byteAlign() {\n      this.shift = -1;\n    },\n\n    next() {\n      if (this.position >= this.end) {\n        return -1;\n      }\n      return this.data[this.position++];\n    },\n  };\n\n  function getCustomHuffmanTable(index, referredTo, customTables) {\n    // Returns a Tables segment that has been earlier decoded.\n    // See 7.4.2.1.6 (symbol dictionary) or 7.4.3.1.6 (text region).\n    let currentIndex = 0;\n    for (let i = 0, ii = referredTo.length; i < ii; i++) {\n      const table = customTables[referredTo[i]];\n      if (table) {\n        if (index === currentIndex) {\n          return table;\n        }\n        currentIndex++;\n      }\n    }\n    throw new Jbig2Error(\"can't find custom Huffman table\");\n  }\n\n  function getTextRegionHuffmanTables(\n    textRegion,\n    referredTo,\n    customTables,\n    numberOfSymbols,\n    reader\n  ) {\n    // 7.4.3.1.7 Symbol ID Huffman table decoding\n\n    // Read code lengths for RUNCODEs 0...34.\n    const codes = [];\n    for (let i = 0; i <= 34; i++) {\n      const codeLength = reader.readBits(4);\n      codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n    }\n    // Assign Huffman codes for RUNCODEs.\n    const runCodesTable = new HuffmanTable(codes, false);\n\n    // Read a Huffman code using the assignment above.\n    // Interpret the RUNCODE codes and the additional bits (if any).\n    codes.length = 0;\n    for (let i = 0; i < numberOfSymbols; ) {\n      const codeLength = runCodesTable.decode(reader);\n      if (codeLength >= 32) {\n        let repeatedLength, numberOfRepeats, j;\n        switch (codeLength) {\n          case 32:\n            if (i === 0) {\n              throw new Jbig2Error(\"no previous value in symbol ID table\");\n            }\n            numberOfRepeats = reader.readBits(2) + 3;\n            repeatedLength = codes[i - 1].prefixLength;\n            break;\n          case 33:\n            numberOfRepeats = reader.readBits(3) + 3;\n            repeatedLength = 0;\n            break;\n          case 34:\n            numberOfRepeats = reader.readBits(7) + 11;\n            repeatedLength = 0;\n            break;\n          default:\n            throw new Jbig2Error(\"invalid code length in symbol ID table\");\n        }\n        for (j = 0; j < numberOfRepeats; j++) {\n          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));\n          i++;\n        }\n      } else {\n        codes.push(new HuffmanLine([i, codeLength, 0, 0]));\n        i++;\n      }\n    }\n    reader.byteAlign();\n    const symbolIDTable = new HuffmanTable(codes, false);\n\n    // 7.4.3.1.6 Text region segment Huffman table selection\n\n    let customIndex = 0,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT;\n\n    switch (textRegion.huffmanFS) {\n      case 0:\n      case 1:\n        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);\n        break;\n      case 3:\n        tableFirstS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman FS selector\");\n    }\n\n    switch (textRegion.huffmanDS) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);\n        break;\n      case 3:\n        tableDeltaS = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DS selector\");\n    }\n\n    switch (textRegion.huffmanDT) {\n      case 0:\n      case 1:\n      case 2:\n        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);\n        break;\n      case 3:\n        tableDeltaT = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DT selector\");\n    }\n\n    if (textRegion.refinement) {\n      // Load tables RDW, RDH, RDX and RDY.\n      throw new Jbig2Error(\"refinement with Huffman is not supported\");\n    }\n\n    return {\n      symbolIDTable,\n      tableFirstS,\n      tableDeltaS,\n      tableDeltaT,\n    };\n  }\n\n  function getSymbolDictionaryHuffmanTables(\n    dictionary,\n    referredTo,\n    customTables\n  ) {\n    // 7.4.2.1.6 Symbol dictionary segment Huffman table selection\n\n    let customIndex = 0,\n      tableDeltaHeight,\n      tableDeltaWidth;\n    switch (dictionary.huffmanDHSelector) {\n      case 0:\n      case 1:\n        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);\n        break;\n      case 3:\n        tableDeltaHeight = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DH selector\");\n    }\n\n    switch (dictionary.huffmanDWSelector) {\n      case 0:\n      case 1:\n        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);\n        break;\n      case 3:\n        tableDeltaWidth = getCustomHuffmanTable(\n          customIndex,\n          referredTo,\n          customTables\n        );\n        customIndex++;\n        break;\n      default:\n        throw new Jbig2Error(\"invalid Huffman DW selector\");\n    }\n\n    let tableBitmapSize, tableAggregateInstances;\n    if (dictionary.bitmapSizeSelector) {\n      tableBitmapSize = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n      customIndex++;\n    } else {\n      tableBitmapSize = getStandardTable(1);\n    }\n\n    if (dictionary.aggregationInstancesSelector) {\n      tableAggregateInstances = getCustomHuffmanTable(\n        customIndex,\n        referredTo,\n        customTables\n      );\n    } else {\n      tableAggregateInstances = getStandardTable(1);\n    }\n\n    return {\n      tableDeltaHeight,\n      tableDeltaWidth,\n      tableBitmapSize,\n      tableAggregateInstances,\n    };\n  }\n\n  function readUncompressedBitmap(reader, width, height) {\n    const bitmap = [];\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      for (let x = 0; x < width; x++) {\n        row[x] = reader.readBit();\n      }\n      reader.byteAlign();\n    }\n    return bitmap;\n  }\n\n  function decodeMMRBitmap(input, width, height, endOfBlock) {\n    // MMR is the same compression algorithm as the PDF filter\n    // CCITTFaxDecode with /K -1.\n    const params = {\n      K: -1,\n      Columns: width,\n      Rows: height,\n      BlackIs1: true,\n      EndOfBlock: endOfBlock,\n    };\n    const decoder = new CCITTFaxDecoder(input, params);\n    const bitmap = [];\n    let currentByte,\n      eof = false;\n\n    for (let y = 0; y < height; y++) {\n      const row = new Uint8Array(width);\n      bitmap.push(row);\n      let shift = -1;\n      for (let x = 0; x < width; x++) {\n        if (shift < 0) {\n          currentByte = decoder.readNextChar();\n          if (currentByte === -1) {\n            // Set the rest of the bits to zero.\n            currentByte = 0;\n            eof = true;\n          }\n          shift = 7;\n        }\n        row[x] = (currentByte >> shift) & 1;\n        shift--;\n      }\n    }\n\n    if (endOfBlock && !eof) {\n      // Read until EOFB has been consumed.\n      const lookForEOFLimit = 5;\n      for (let i = 0; i < lookForEOFLimit; i++) {\n        if (decoder.readNextChar() === -1) {\n          break;\n        }\n      }\n    }\n\n    return bitmap;\n  }\n\n  // eslint-disable-next-line no-shadow\n  function Jbig2Image() {}\n\n  Jbig2Image.prototype = {\n    parseChunks(chunks) {\n      return parseJbig2Chunks(chunks);\n    },\n\n    parse(data) {\n      const { imgData, width, height } = parseJbig2(data);\n      this.width = width;\n      this.height = height;\n      return imgData;\n    },\n  };\n\n  return Jbig2Image;\n})();\n\nexport { Jbig2Image };\n","/* Copyright 2019 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\n\nfunction getLookupTableFactory(initializer) {\n  let lookup;\n  return function () {\n    if (initializer) {\n      lookup = Object.create(null);\n      initializer(lookup);\n      initializer = null;\n    }\n    return lookup;\n  };\n}\n\nclass MissingDataException extends BaseException {\n  constructor(begin, end) {\n    super(`Missing data [${begin}, ${end})`);\n    this.begin = begin;\n    this.end = end;\n  }\n}\n\nclass XRefEntryException extends BaseException {}\n\nclass XRefParseException extends BaseException {}\n\n/**\n * Get the value of an inheritable property.\n *\n * If the PDF specification explicitly lists a property in a dictionary as\n * inheritable, then the value of the property may be present in the dictionary\n * itself or in one or more parents of the dictionary.\n *\n * If the key is not found in the tree, `undefined` is returned. Otherwise,\n * the value for the key is returned or, if `stopWhenFound` is `false`, a list\n * of values is returned. To avoid infinite loops, the traversal is stopped when\n * the loop limit is reached.\n *\n * @param {Dict} dict - Dictionary from where to start the traversal.\n * @param {string} key - The key of the property to find the value for.\n * @param {boolean} getArray - Whether or not the value should be fetched as an\n *   array. The default value is `false`.\n * @param {boolean} stopWhenFound - Whether or not to stop the traversal when\n *   the key is found. If set to `false`, we always walk up the entire parent\n *   chain, for example to be able to find `\\Resources` placed on multiple\n *   levels of the tree. The default value is `true`.\n */\nfunction getInheritableProperty({\n  dict,\n  key,\n  getArray = false,\n  stopWhenFound = true,\n}) {\n  const LOOP_LIMIT = 100;\n  let loopCount = 0;\n  let values;\n\n  while (dict) {\n    const value = getArray ? dict.getArray(key) : dict.get(key);\n    if (value !== undefined) {\n      if (stopWhenFound) {\n        return value;\n      }\n      if (!values) {\n        values = [];\n      }\n      values.push(value);\n    }\n    if (++loopCount > LOOP_LIMIT) {\n      warn(`getInheritableProperty: maximum loop count exceeded for \"${key}\"`);\n      break;\n    }\n    dict = dict.get(\"Parent\");\n  }\n  return values;\n}\n\n// prettier-ignore\nconst ROMAN_NUMBER_MAP = [\n  \"\", \"C\", \"CC\", \"CCC\", \"CD\", \"D\", \"DC\", \"DCC\", \"DCCC\", \"CM\",\n  \"\", \"X\", \"XX\", \"XXX\", \"XL\", \"L\", \"LX\", \"LXX\", \"LXXX\", \"XC\",\n  \"\", \"I\", \"II\", \"III\", \"IV\", \"V\", \"VI\", \"VII\", \"VIII\", \"IX\"\n];\n\n/**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {number} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n *   to lower case letters. The default value is `false`.\n * @returns {string} The resulting Roman number.\n */\nfunction toRomanNumerals(number, lowerCase = false) {\n  assert(\n    Number.isInteger(number) && number > 0,\n    \"The number should be a positive integer.\"\n  );\n  const romanBuf = [];\n  let pos;\n  // Thousands\n  while (number >= 1000) {\n    number -= 1000;\n    romanBuf.push(\"M\");\n  }\n  // Hundreds\n  pos = (number / 100) | 0;\n  number %= 100;\n  romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n  // Tens\n  pos = (number / 10) | 0;\n  number %= 10;\n  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n  // Ones\n  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n  const romanStr = romanBuf.join(\"\");\n  return lowerCase ? romanStr.toLowerCase() : romanStr;\n}\n\n// Calculate the base 2 logarithm of the number `x`. This differs from the\n// native function in the sense that it returns the ceiling value and that it\n// returns 0 instead of `Infinity`/`NaN` for `x` values smaller than/equal to 0.\nfunction log2(x) {\n  if (x <= 0) {\n    return 0;\n  }\n  return Math.ceil(Math.log2(x));\n}\n\nfunction readInt8(data, offset) {\n  return (data[offset] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n  return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n  return (\n    ((data[offset] << 24) |\n      (data[offset + 1] << 16) |\n      (data[offset + 2] << 8) |\n      data[offset + 3]) >>>\n    0\n  );\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isWhiteSpace(ch) {\n  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;\n}\n\nexport {\n  getLookupTableFactory,\n  MissingDataException,\n  XRefEntryException,\n  XRefParseException,\n  getInheritableProperty,\n  toRomanNumerals,\n  log2,\n  readInt8,\n  readUint16,\n  readUint32,\n  isWhiteSpace,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint no-var: error */\n\n// Table C-2\nconst QeTable = [\n  { qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1 },\n  { qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0 },\n  { qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 4, nlps: 12, switchFlag: 0 },\n  { qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0 },\n  { qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0 },\n  { qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1 },\n  { qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0 },\n  { qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0 },\n  { qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0 },\n  { qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0 },\n  { qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 13, nlps: 20, switchFlag: 0 },\n  { qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0 },\n  { qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1 },\n  { qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0 },\n  { qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0 },\n  { qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0 },\n  { qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0 },\n  { qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0 },\n  { qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0 },\n  { qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0 },\n  { qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0 },\n  { qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0 },\n  { qe: 0x1c01, nmps: 25, nlps: 22, switchFlag: 0 },\n  { qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0 },\n  { qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0 },\n  { qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0 },\n  { qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0 },\n  { qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0 },\n  { qe: 0x0ac1, nmps: 31, nlps: 28, switchFlag: 0 },\n  { qe: 0x09c1, nmps: 32, nlps: 29, switchFlag: 0 },\n  { qe: 0x08a1, nmps: 33, nlps: 30, switchFlag: 0 },\n  { qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0 },\n  { qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0 },\n  { qe: 0x02a1, nmps: 36, nlps: 33, switchFlag: 0 },\n  { qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0 },\n  { qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0 },\n  { qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0 },\n  { qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0 },\n  { qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0 },\n  { qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0 },\n  { qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0 },\n  { qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0 },\n  { qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0 },\n  { qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0 },\n  { qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0 },\n];\n\n/**\n * This class implements the QM Coder decoding as defined in\n *   JPEG 2000 Part I Final Committee Draft Version 1.0\n *   Annex C.3 Arithmetic decoding procedure\n * available at http://www.jpeg.org/public/fcd15444-1.pdf\n *\n * The arithmetic decoder is used in conjunction with context models to decode\n * JPEG2000 and JBIG2 streams.\n */\nclass ArithmeticDecoder {\n  // C.3.5 Initialisation of the decoder (INITDEC)\n  constructor(data, start, end) {\n    this.data = data;\n    this.bp = start;\n    this.dataEnd = end;\n\n    this.chigh = data[start];\n    this.clow = 0;\n\n    this.byteIn();\n\n    this.chigh = ((this.chigh << 7) & 0xffff) | ((this.clow >> 9) & 0x7f);\n    this.clow = (this.clow << 7) & 0xffff;\n    this.ct -= 7;\n    this.a = 0x8000;\n  }\n\n  // C.3.4 Compressed data input (BYTEIN)\n  byteIn() {\n    const data = this.data;\n    let bp = this.bp;\n\n    if (data[bp] === 0xff) {\n      if (data[bp + 1] > 0x8f) {\n        this.clow += 0xff00;\n        this.ct = 8;\n      } else {\n        bp++;\n        this.clow += data[bp] << 9;\n        this.ct = 7;\n        this.bp = bp;\n      }\n    } else {\n      bp++;\n      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;\n      this.ct = 8;\n      this.bp = bp;\n    }\n    if (this.clow > 0xffff) {\n      this.chigh += this.clow >> 16;\n      this.clow &= 0xffff;\n    }\n  }\n\n  // C.3.2 Decoding a decision (DECODE)\n  readBit(contexts, pos) {\n    // Contexts are packed into 1 byte:\n    // highest 7 bits carry cx.index, lowest bit carries cx.mps\n    let cx_index = contexts[pos] >> 1,\n      cx_mps = contexts[pos] & 1;\n    const qeTableIcx = QeTable[cx_index];\n    const qeIcx = qeTableIcx.qe;\n    let d;\n    let a = this.a - qeIcx;\n\n    if (this.chigh < qeIcx) {\n      // exchangeLps\n      if (a < qeIcx) {\n        a = qeIcx;\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      } else {\n        a = qeIcx;\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      }\n    } else {\n      this.chigh -= qeIcx;\n      if ((a & 0x8000) !== 0) {\n        this.a = a;\n        return cx_mps;\n      }\n      // exchangeMps\n      if (a < qeIcx) {\n        d = 1 ^ cx_mps;\n        if (qeTableIcx.switchFlag === 1) {\n          cx_mps = d;\n        }\n        cx_index = qeTableIcx.nlps;\n      } else {\n        d = cx_mps;\n        cx_index = qeTableIcx.nmps;\n      }\n    }\n    // C.3.3 renormD;\n    do {\n      if (this.ct === 0) {\n        this.byteIn();\n      }\n\n      a <<= 1;\n      this.chigh = ((this.chigh << 1) & 0xffff) | ((this.clow >> 15) & 1);\n      this.clow = (this.clow << 1) & 0xffff;\n      this.ct--;\n    } while ((a & 0x8000) === 0);\n    this.a = a;\n\n    contexts[pos] = (cx_index << 1) | cx_mps;\n    return d;\n  }\n}\n\nexport { ArithmeticDecoder };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* Copyright 1996-2003 Glyph & Cog, LLC\n *\n * The CCITT stream implementation contained in this file is a JavaScript port\n * of XPDF's implementation, made available under the Apache 2.0 open source\n * license.\n */\n\n/**\n * @typedef {Object} CCITTFaxDecoderSource\n * @property {function} next - Method that return one byte of data for decoding,\n *   or -1 when EOF is reached.\n */\n\nimport { info } from \"../shared/util.js\";\n\nconst CCITTFaxDecoder = (function CCITTFaxDecoder() {\n  const ccittEOL = -2;\n  const ccittEOF = -1;\n  const twoDimPass = 0;\n  const twoDimHoriz = 1;\n  const twoDimVert0 = 2;\n  const twoDimVertR1 = 3;\n  const twoDimVertL1 = 4;\n  const twoDimVertR2 = 5;\n  const twoDimVertL2 = 6;\n  const twoDimVertR3 = 7;\n  const twoDimVertL3 = 8;\n\n  // prettier-ignore\n  const twoDimTable = [\n    [-1, -1], [-1, -1],                   // 000000x\n    [7, twoDimVertL3],                    // 0000010\n    [7, twoDimVertR3],                    // 0000011\n    [6, twoDimVertL2], [6, twoDimVertL2], // 000010x\n    [6, twoDimVertR2], [6, twoDimVertR2], // 000011x\n    [4, twoDimPass], [4, twoDimPass],     // 0001xxx\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [4, twoDimPass], [4, twoDimPass],\n    [3, twoDimHoriz], [3, twoDimHoriz],   // 001xxxx\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimHoriz], [3, twoDimHoriz],\n    [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertL1], [3, twoDimVertL1],\n    [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [3, twoDimVertR1], [3, twoDimVertR1],\n    [1, twoDimVert0], [1, twoDimVert0],   // 1xxxxxx\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0],\n    [1, twoDimVert0], [1, twoDimVert0]\n  ];\n\n  // prettier-ignore\n  const whiteTable1 = [\n    [-1, -1],                               // 00000\n    [12, ccittEOL],                         // 00001\n    [-1, -1], [-1, -1],                     // 0001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx\n    [11, 1792], [11, 1792],                 // 1000x\n    [12, 1984],                             // 10010\n    [12, 2048],                             // 10011\n    [12, 2112],                             // 10100\n    [12, 2176],                             // 10101\n    [12, 2240],                             // 10110\n    [12, 2304],                             // 10111\n    [11, 1856], [11, 1856],                 // 1100x\n    [11, 1920], [11, 1920],                 // 1101x\n    [12, 2368],                             // 11100\n    [12, 2432],                             // 11101\n    [12, 2496],                             // 11110\n    [12, 2560]                              // 11111\n  ];\n\n  // prettier-ignore\n  const whiteTable2 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],     // 0000000xx\n    [8, 29], [8, 29],                           // 00000010x\n    [8, 30], [8, 30],                           // 00000011x\n    [8, 45], [8, 45],                           // 00000100x\n    [8, 46], [8, 46],                           // 00000101x\n    [7, 22], [7, 22], [7, 22], [7, 22],         // 0000011xx\n    [7, 23], [7, 23], [7, 23], [7, 23],         // 0000100xx\n    [8, 47], [8, 47],                           // 00001010x\n    [8, 48], [8, 48],                           // 00001011x\n    [6, 13], [6, 13], [6, 13], [6, 13],         // 000011xxx\n    [6, 13], [6, 13], [6, 13], [6, 13],\n    [7, 20], [7, 20], [7, 20], [7, 20],         // 0001000xx\n    [8, 33], [8, 33],                           // 00010010x\n    [8, 34], [8, 34],                           // 00010011x\n    [8, 35], [8, 35],                           // 00010100x\n    [8, 36], [8, 36],                           // 00010101x\n    [8, 37], [8, 37],                           // 00010110x\n    [8, 38], [8, 38],                           // 00010111x\n    [7, 19], [7, 19], [7, 19], [7, 19],         // 0001100xx\n    [8, 31], [8, 31],                           // 00011010x\n    [8, 32], [8, 32],                           // 00011011x\n    [6, 1], [6, 1], [6, 1], [6, 1],             // 000111xxx\n    [6, 1], [6, 1], [6, 1], [6, 1],\n    [6, 12], [6, 12], [6, 12], [6, 12],         // 001000xxx\n    [6, 12], [6, 12], [6, 12], [6, 12],\n    [8, 53], [8, 53],                           // 00100100x\n    [8, 54], [8, 54],                           // 00100101x\n    [7, 26], [7, 26], [7, 26], [7, 26],         // 0010011xx\n    [8, 39], [8, 39],                           // 00101000x\n    [8, 40], [8, 40],                           // 00101001x\n    [8, 41], [8, 41],                           // 00101010x\n    [8, 42], [8, 42],                           // 00101011x\n    [8, 43], [8, 43],                           // 00101100x\n    [8, 44], [8, 44],                           // 00101101x\n    [7, 21], [7, 21], [7, 21], [7, 21],         // 0010111xx\n    [7, 28], [7, 28], [7, 28], [7, 28],         // 0011000xx\n    [8, 61], [8, 61],                           // 00110010x\n    [8, 62], [8, 62],                           // 00110011x\n    [8, 63], [8, 63],                           // 00110100x\n    [8, 0], [8, 0],                             // 00110101x\n    [8, 320], [8, 320],                         // 00110110x\n    [8, 384], [8, 384],                         // 00110111x\n    [5, 10], [5, 10], [5, 10], [5, 10],         // 00111xxxx\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 10], [5, 10], [5, 10], [5, 10],\n    [5, 11], [5, 11], [5, 11], [5, 11],         // 01000xxxx\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [5, 11], [5, 11], [5, 11], [5, 11],\n    [7, 27], [7, 27], [7, 27], [7, 27],         // 0100100xx\n    [8, 59], [8, 59],                           // 01001010x\n    [8, 60], [8, 60],                           // 01001011x\n    [9, 1472],                                  // 010011000\n    [9, 1536],                                  // 010011001\n    [9, 1600],                                  // 010011010\n    [9, 1728],                                  // 010011011\n    [7, 18], [7, 18], [7, 18], [7, 18],         // 0100111xx\n    [7, 24], [7, 24], [7, 24], [7, 24],         // 0101000xx\n    [8, 49], [8, 49],                           // 01010010x\n    [8, 50], [8, 50],                           // 01010011x\n    [8, 51], [8, 51],                           // 01010100x\n    [8, 52], [8, 52],                           // 01010101x\n    [7, 25], [7, 25], [7, 25], [7, 25],         // 0101011xx\n    [8, 55], [8, 55],                           // 01011000x\n    [8, 56], [8, 56],                           // 01011001x\n    [8, 57], [8, 57],                           // 01011010x\n    [8, 58], [8, 58],                           // 01011011x\n    [6, 192], [6, 192], [6, 192], [6, 192],     // 010111xxx\n    [6, 192], [6, 192], [6, 192], [6, 192],\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx\n    [6, 1664], [6, 1664], [6, 1664], [6, 1664],\n    [8, 448], [8, 448],                         // 01100100x\n    [8, 512], [8, 512],                         // 01100101x\n    [9, 704],                                   // 011001100\n    [9, 768],                                   // 011001101\n    [8, 640], [8, 640],                         // 01100111x\n    [8, 576], [8, 576],                         // 01101000x\n    [9, 832],                                   // 011010010\n    [9, 896],                                   // 011010011\n    [9, 960],                                   // 011010100\n    [9, 1024],                                  // 011010101\n    [9, 1088],                                  // 011010110\n    [9, 1152],                                  // 011010111\n    [9, 1216],                                  // 011011000\n    [9, 1280],                                  // 011011001\n    [9, 1344],                                  // 011011010\n    [9, 1408],                                  // 011011011\n    [7, 256], [7, 256], [7, 256], [7, 256],     // 0110111xx\n    [4, 2], [4, 2], [4, 2], [4, 2],             // 0111xxxxx\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 2], [4, 2], [4, 2], [4, 2],\n    [4, 3], [4, 3], [4, 3], [4, 3],             // 1000xxxxx\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [4, 3], [4, 3], [4, 3], [4, 3],\n    [5, 128], [5, 128], [5, 128], [5, 128],     // 10010xxxx\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 128], [5, 128], [5, 128], [5, 128],\n    [5, 8], [5, 8], [5, 8], [5, 8],             // 10011xxxx\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 8], [5, 8], [5, 8], [5, 8],\n    [5, 9], [5, 9], [5, 9], [5, 9],             // 10100xxxx\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [5, 9], [5, 9], [5, 9], [5, 9],\n    [6, 16], [6, 16], [6, 16], [6, 16],         // 101010xxx\n    [6, 16], [6, 16], [6, 16], [6, 16],\n    [6, 17], [6, 17], [6, 17], [6, 17],         // 101011xxx\n    [6, 17], [6, 17], [6, 17], [6, 17],\n    [4, 4], [4, 4], [4, 4], [4, 4],             // 1011xxxxx\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 4], [4, 4], [4, 4], [4, 4],\n    [4, 5], [4, 5], [4, 5], [4, 5],             // 1100xxxxx\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [4, 5], [4, 5], [4, 5], [4, 5],\n    [6, 14], [6, 14], [6, 14], [6, 14],         // 110100xxx\n    [6, 14], [6, 14], [6, 14], [6, 14],\n    [6, 15], [6, 15], [6, 15], [6, 15],         // 110101xxx\n    [6, 15], [6, 15], [6, 15], [6, 15],\n    [5, 64], [5, 64], [5, 64], [5, 64],         // 11011xxxx\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [5, 64], [5, 64], [5, 64], [5, 64],\n    [4, 6], [4, 6], [4, 6], [4, 6],             // 1110xxxxx\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 6], [4, 6], [4, 6], [4, 6],\n    [4, 7], [4, 7], [4, 7], [4, 7],             // 1111xxxxx\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7],\n    [4, 7], [4, 7], [4, 7], [4, 7]\n  ];\n\n  // prettier-ignore\n  const blackTable1 = [\n    [-1, -1], [-1, -1],                             // 000000000000x\n    [12, ccittEOL], [12, ccittEOL],                 // 000000000001x\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000001xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000010xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000011xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000100xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000101xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000110xx\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1],         // 00000000111xx\n    [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx\n    [12, 1984], [12, 1984],                         // 000000010010x\n    [12, 2048], [12, 2048],                         // 000000010011x\n    [12, 2112], [12, 2112],                         // 000000010100x\n    [12, 2176], [12, 2176],                         // 000000010101x\n    [12, 2240], [12, 2240],                         // 000000010110x\n    [12, 2304], [12, 2304],                         // 000000010111x\n    [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx\n    [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx\n    [12, 2368], [12, 2368],                         // 000000011100x\n    [12, 2432], [12, 2432],                         // 000000011101x\n    [12, 2496], [12, 2496],                         // 000000011110x\n    [12, 2560], [12, 2560],                         // 000000011111x\n    [10, 18], [10, 18], [10, 18], [10, 18],         // 0000001000xxx\n    [10, 18], [10, 18], [10, 18], [10, 18],\n    [12, 52], [12, 52],                             // 000000100100x\n    [13, 640],                                      // 0000001001010\n    [13, 704],                                      // 0000001001011\n    [13, 768],                                      // 0000001001100\n    [13, 832],                                      // 0000001001101\n    [12, 55], [12, 55],                             // 000000100111x\n    [12, 56], [12, 56],                             // 000000101000x\n    [13, 1280],                                     // 0000001010010\n    [13, 1344],                                     // 0000001010011\n    [13, 1408],                                     // 0000001010100\n    [13, 1472],                                     // 0000001010101\n    [12, 59], [12, 59],                             // 000000101011x\n    [12, 60], [12, 60],                             // 000000101100x\n    [13, 1536],                                     // 0000001011010\n    [13, 1600],                                     // 0000001011011\n    [11, 24], [11, 24], [11, 24], [11, 24],         // 00000010111xx\n    [11, 25], [11, 25], [11, 25], [11, 25],         // 00000011000xx\n    [13, 1664],                                     // 0000001100100\n    [13, 1728],                                     // 0000001100101\n    [12, 320], [12, 320],                           // 000000110011x\n    [12, 384], [12, 384],                           // 000000110100x\n    [12, 448], [12, 448],                           // 000000110101x\n    [13, 512],                                      // 0000001101100\n    [13, 576],                                      // 0000001101101\n    [12, 53], [12, 53],                             // 000000110111x\n    [12, 54], [12, 54],                             // 000000111000x\n    [13, 896],                                      // 0000001110010\n    [13, 960],                                      // 0000001110011\n    [13, 1024],                                     // 0000001110100\n    [13, 1088],                                     // 0000001110101\n    [13, 1152],                                     // 0000001110110\n    [13, 1216],                                     // 0000001110111\n    [10, 64], [10, 64], [10, 64], [10, 64],         // 0000001111xxx\n    [10, 64], [10, 64], [10, 64], [10, 64]\n  ];\n\n  // prettier-ignore\n  const blackTable2 = [\n    [8, 13], [8, 13], [8, 13], [8, 13],     // 00000100xxxx\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [8, 13], [8, 13], [8, 13], [8, 13],\n    [11, 23], [11, 23],                     // 00000101000x\n    [12, 50],                               // 000001010010\n    [12, 51],                               // 000001010011\n    [12, 44],                               // 000001010100\n    [12, 45],                               // 000001010101\n    [12, 46],                               // 000001010110\n    [12, 47],                               // 000001010111\n    [12, 57],                               // 000001011000\n    [12, 58],                               // 000001011001\n    [12, 61],                               // 000001011010\n    [12, 256],                              // 000001011011\n    [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx\n    [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx\n    [12, 48],                               // 000001100100\n    [12, 49],                               // 000001100101\n    [12, 62],                               // 000001100110\n    [12, 63],                               // 000001100111\n    [12, 30],                               // 000001101000\n    [12, 31],                               // 000001101001\n    [12, 32],                               // 000001101010\n    [12, 33],                               // 000001101011\n    [12, 40],                               // 000001101100\n    [12, 41],                               // 000001101101\n    [11, 22], [11, 22],                     // 00000110111x\n    [8, 14], [8, 14], [8, 14], [8, 14],     // 00000111xxxx\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [8, 14], [8, 14], [8, 14], [8, 14],\n    [7, 10], [7, 10], [7, 10], [7, 10],     // 0000100xxxxx\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 10], [7, 10], [7, 10], [7, 10],\n    [7, 11], [7, 11], [7, 11], [7, 11],     // 0000101xxxxx\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [7, 11], [7, 11], [7, 11], [7, 11],\n    [9, 15], [9, 15], [9, 15], [9, 15],     // 000011000xxx\n    [9, 15], [9, 15], [9, 15], [9, 15],\n    [12, 128],                              // 000011001000\n    [12, 192],                              // 000011001001\n    [12, 26],                               // 000011001010\n    [12, 27],                               // 000011001011\n    [12, 28],                               // 000011001100\n    [12, 29],                               // 000011001101\n    [11, 19], [11, 19],                     // 00001100111x\n    [11, 20], [11, 20],                     // 00001101000x\n    [12, 34],                               // 000011010010\n    [12, 35],                               // 000011010011\n    [12, 36],                               // 000011010100\n    [12, 37],                               // 000011010101\n    [12, 38],                               // 000011010110\n    [12, 39],                               // 000011010111\n    [11, 21], [11, 21],                     // 00001101100x\n    [12, 42],                               // 000011011010\n    [12, 43],                               // 000011011011\n    [10, 0], [10, 0], [10, 0], [10, 0],     // 0000110111xx\n    [7, 12], [7, 12], [7, 12], [7, 12],     // 0000111xxxxx\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12],\n    [7, 12], [7, 12], [7, 12], [7, 12]\n  ];\n\n  // prettier-ignore\n  const blackTable3 = [\n    [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx\n    [6, 9],                                 // 000100\n    [6, 8],                                 // 000101\n    [5, 7], [5, 7],                         // 00011x\n    [4, 6], [4, 6], [4, 6], [4, 6],         // 0010xx\n    [4, 5], [4, 5], [4, 5], [4, 5],         // 0011xx\n    [3, 1], [3, 1], [3, 1], [3, 1],         // 010xxx\n    [3, 1], [3, 1], [3, 1], [3, 1],\n    [3, 4], [3, 4], [3, 4], [3, 4],         // 011xxx\n    [3, 4], [3, 4], [3, 4], [3, 4],\n    [2, 3], [2, 3], [2, 3], [2, 3],         // 10xxxx\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 3], [2, 3], [2, 3], [2, 3],\n    [2, 2], [2, 2], [2, 2], [2, 2],         // 11xxxx\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2],\n    [2, 2], [2, 2], [2, 2], [2, 2]\n  ];\n\n  /**\n   * @param {CCITTFaxDecoderSource} source - The data which should be decoded.\n   * @param {Object} [options] - Decoding options.\n   */\n  // eslint-disable-next-line no-shadow\n  function CCITTFaxDecoder(source, options = {}) {\n    if (!source || typeof source.next !== \"function\") {\n      throw new Error('CCITTFaxDecoder - invalid \"source\" parameter.');\n    }\n    this.source = source;\n    this.eof = false;\n\n    this.encoding = options.K || 0;\n    this.eoline = options.EndOfLine || false;\n    this.byteAlign = options.EncodedByteAlign || false;\n    this.columns = options.Columns || 1728;\n    this.rows = options.Rows || 0;\n    let eoblock = options.EndOfBlock;\n    if (eoblock === null || eoblock === undefined) {\n      eoblock = true;\n    }\n    this.eoblock = eoblock;\n    this.black = options.BlackIs1 || false;\n\n    this.codingLine = new Uint32Array(this.columns + 1);\n    this.refLine = new Uint32Array(this.columns + 2);\n\n    this.codingLine[0] = this.columns;\n    this.codingPos = 0;\n\n    this.row = 0;\n    this.nextLine2D = this.encoding < 0;\n    this.inputBits = 0;\n    this.inputBuf = 0;\n    this.outputBits = 0;\n    this.rowsDone = false;\n\n    let code1;\n    while ((code1 = this._lookBits(12)) === 0) {\n      this._eatBits(1);\n    }\n    if (code1 === 1) {\n      this._eatBits(12);\n    }\n    if (this.encoding > 0) {\n      this.nextLine2D = !this._lookBits(1);\n      this._eatBits(1);\n    }\n  }\n\n  CCITTFaxDecoder.prototype = {\n    readNextChar() {\n      if (this.eof) {\n        return -1;\n      }\n      const refLine = this.refLine;\n      const codingLine = this.codingLine;\n      const columns = this.columns;\n\n      let refPos, blackPixels, bits, i;\n\n      if (this.outputBits === 0) {\n        if (this.rowsDone) {\n          this.eof = true;\n        }\n        if (this.eof) {\n          return -1;\n        }\n        this.err = false;\n\n        let code1, code2, code3;\n        if (this.nextLine2D) {\n          for (i = 0; codingLine[i] < columns; ++i) {\n            refLine[i] = codingLine[i];\n          }\n          refLine[i++] = columns;\n          refLine[i] = columns;\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          refPos = 0;\n          blackPixels = 0;\n\n          while (codingLine[this.codingPos] < columns) {\n            code1 = this._getTwoDimCode();\n            switch (code1) {\n              case twoDimPass:\n                this._addPixels(refLine[refPos + 1], blackPixels);\n                if (refLine[refPos + 1] < columns) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimHoriz:\n                code1 = code2 = 0;\n                if (blackPixels) {\n                  do {\n                    code1 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                } else {\n                  do {\n                    code1 += code3 = this._getWhiteCode();\n                  } while (code3 >= 64);\n                  do {\n                    code2 += code3 = this._getBlackCode();\n                  } while (code3 >= 64);\n                }\n                this._addPixels(\n                  codingLine[this.codingPos] + code1,\n                  blackPixels\n                );\n                if (codingLine[this.codingPos] < columns) {\n                  this._addPixels(\n                    codingLine[this.codingPos] + code2,\n                    blackPixels ^ 1\n                  );\n                }\n                while (\n                  refLine[refPos] <= codingLine[this.codingPos] &&\n                  refLine[refPos] < columns\n                ) {\n                  refPos += 2;\n                }\n                break;\n              case twoDimVertR3:\n                this._addPixels(refLine[refPos] + 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR2:\n                this._addPixels(refLine[refPos] + 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertR1:\n                this._addPixels(refLine[refPos] + 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVert0:\n                this._addPixels(refLine[refPos], blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  ++refPos;\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL3:\n                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL2:\n                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case twoDimVertL1:\n                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);\n                blackPixels ^= 1;\n                if (codingLine[this.codingPos] < columns) {\n                  if (refPos > 0) {\n                    --refPos;\n                  } else {\n                    ++refPos;\n                  }\n                  while (\n                    refLine[refPos] <= codingLine[this.codingPos] &&\n                    refLine[refPos] < columns\n                  ) {\n                    refPos += 2;\n                  }\n                }\n                break;\n              case ccittEOF:\n                this._addPixels(columns, 0);\n                this.eof = true;\n                break;\n              default:\n                info(\"bad 2d code\");\n                this._addPixels(columns, 0);\n                this.err = true;\n            }\n          }\n        } else {\n          codingLine[0] = 0;\n          this.codingPos = 0;\n          blackPixels = 0;\n          while (codingLine[this.codingPos] < columns) {\n            code1 = 0;\n            if (blackPixels) {\n              do {\n                code1 += code3 = this._getBlackCode();\n              } while (code3 >= 64);\n            } else {\n              do {\n                code1 += code3 = this._getWhiteCode();\n              } while (code3 >= 64);\n            }\n            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);\n            blackPixels ^= 1;\n          }\n        }\n\n        let gotEOL = false;\n\n        if (this.byteAlign) {\n          this.inputBits &= ~7;\n        }\n\n        if (!this.eoblock && this.row === this.rows - 1) {\n          this.rowsDone = true;\n        } else {\n          code1 = this._lookBits(12);\n          if (this.eoline) {\n            while (code1 !== ccittEOF && code1 !== 1) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          } else {\n            while (code1 === 0) {\n              this._eatBits(1);\n              code1 = this._lookBits(12);\n            }\n          }\n          if (code1 === 1) {\n            this._eatBits(12);\n            gotEOL = true;\n          } else if (code1 === ccittEOF) {\n            this.eof = true;\n          }\n        }\n\n        if (!this.eof && this.encoding > 0 && !this.rowsDone) {\n          this.nextLine2D = !this._lookBits(1);\n          this._eatBits(1);\n        }\n\n        if (this.eoblock && gotEOL && this.byteAlign) {\n          code1 = this._lookBits(12);\n          if (code1 === 1) {\n            this._eatBits(12);\n            if (this.encoding > 0) {\n              this._lookBits(1);\n              this._eatBits(1);\n            }\n            if (this.encoding >= 0) {\n              for (i = 0; i < 4; ++i) {\n                code1 = this._lookBits(12);\n                if (code1 !== 1) {\n                  info(\"bad rtc code: \" + code1);\n                }\n                this._eatBits(12);\n                if (this.encoding > 0) {\n                  this._lookBits(1);\n                  this._eatBits(1);\n                }\n              }\n            }\n            this.eof = true;\n          }\n        } else if (this.err && this.eoline) {\n          while (true) {\n            code1 = this._lookBits(13);\n            if (code1 === ccittEOF) {\n              this.eof = true;\n              return -1;\n            }\n            if (code1 >> 1 === 1) {\n              break;\n            }\n            this._eatBits(1);\n          }\n          this._eatBits(12);\n          if (this.encoding > 0) {\n            this._eatBits(1);\n            this.nextLine2D = !(code1 & 1);\n          }\n        }\n\n        if (codingLine[0] > 0) {\n          this.outputBits = codingLine[(this.codingPos = 0)];\n        } else {\n          this.outputBits = codingLine[(this.codingPos = 1)];\n        }\n        this.row++;\n      }\n\n      let c;\n      if (this.outputBits >= 8) {\n        c = this.codingPos & 1 ? 0 : 0xff;\n        this.outputBits -= 8;\n        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {\n          this.codingPos++;\n          this.outputBits =\n            codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n        }\n      } else {\n        bits = 8;\n        c = 0;\n        do {\n          if (this.outputBits > bits) {\n            c <<= bits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - bits);\n            }\n            this.outputBits -= bits;\n            bits = 0;\n          } else {\n            c <<= this.outputBits;\n            if (!(this.codingPos & 1)) {\n              c |= 0xff >> (8 - this.outputBits);\n            }\n            bits -= this.outputBits;\n            this.outputBits = 0;\n            if (codingLine[this.codingPos] < columns) {\n              this.codingPos++;\n              this.outputBits =\n                codingLine[this.codingPos] - codingLine[this.codingPos - 1];\n            } else if (bits > 0) {\n              c <<= bits;\n              bits = 0;\n            }\n          }\n        } while (bits);\n      }\n      if (this.black) {\n        c ^= 0xff;\n      }\n      return c;\n    },\n\n    /**\n     * @private\n     */\n    _addPixels(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      }\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * @private\n     */\n    _addPixelsNeg(a1, blackPixels) {\n      const codingLine = this.codingLine;\n      let codingPos = this.codingPos;\n\n      if (a1 > codingLine[codingPos]) {\n        if (a1 > this.columns) {\n          info(\"row is wrong length\");\n          this.err = true;\n          a1 = this.columns;\n        }\n        if ((codingPos & 1) ^ blackPixels) {\n          ++codingPos;\n        }\n\n        codingLine[codingPos] = a1;\n      } else if (a1 < codingLine[codingPos]) {\n        if (a1 < 0) {\n          info(\"invalid code\");\n          this.err = true;\n          a1 = 0;\n        }\n        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {\n          --codingPos;\n        }\n        codingLine[codingPos] = a1;\n      }\n\n      this.codingPos = codingPos;\n    },\n\n    /**\n     * This function returns the code found from the table.\n     * The start and end parameters set the boundaries for searching the table.\n     * The limit parameter is optional. Function returns an array with three\n     * values. The first array element indicates whether a valid code is being\n     * returned. The second array element is the actual code. The third array\n     * element indicates whether EOF was reached.\n     * @private\n     */\n    _findTableCode(start, end, table, limit) {\n      const limitValue = limit || 0;\n      for (let i = start; i <= end; ++i) {\n        let code = this._lookBits(i);\n        if (code === ccittEOF) {\n          return [true, 1, false];\n        }\n        if (i < end) {\n          code <<= end - i;\n        }\n        if (!limitValue || code >= limitValue) {\n          const p = table[code - limitValue];\n          if (p[0] === i) {\n            this._eatBits(i);\n            return [true, p[1], true];\n          }\n        }\n      }\n      return [false, 0, false];\n    },\n\n    /**\n     * @private\n     */\n    _getTwoDimCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(7);\n        p = twoDimTable[code];\n        if (p && p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        const result = this._findTableCode(1, 7, twoDimTable);\n        if (result[0] && result[2]) {\n          return result[1];\n        }\n      }\n      info(\"Bad two dim code\");\n      return ccittEOF;\n    },\n\n    /**\n     * @private\n     */\n    _getWhiteCode() {\n      let code = 0;\n      let p;\n      if (this.eoblock) {\n        code = this._lookBits(12);\n        if (code === ccittEOF) {\n          return 1;\n        }\n\n        if (code >> 5 === 0) {\n          p = whiteTable1[code];\n        } else {\n          p = whiteTable2[code >> 3];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(1, 9, whiteTable2);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(11, 12, whiteTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad white code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _getBlackCode() {\n      let code, p;\n      if (this.eoblock) {\n        code = this._lookBits(13);\n        if (code === ccittEOF) {\n          return 1;\n        }\n        if (code >> 7 === 0) {\n          p = blackTable1[code];\n        } else if (code >> 9 === 0 && code >> 7 !== 0) {\n          p = blackTable2[(code >> 1) - 64];\n        } else {\n          p = blackTable3[code >> 7];\n        }\n\n        if (p[0] > 0) {\n          this._eatBits(p[0]);\n          return p[1];\n        }\n      } else {\n        let result = this._findTableCode(2, 6, blackTable3);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(7, 12, blackTable2, 64);\n        if (result[0]) {\n          return result[1];\n        }\n\n        result = this._findTableCode(10, 13, blackTable1);\n        if (result[0]) {\n          return result[1];\n        }\n      }\n      info(\"bad black code\");\n      this._eatBits(1);\n      return 1;\n    },\n\n    /**\n     * @private\n     */\n    _lookBits(n) {\n      let c;\n      while (this.inputBits < n) {\n        if ((c = this.source.next()) === -1) {\n          if (this.inputBits === 0) {\n            return ccittEOF;\n          }\n          return (this.inputBuf << (n - this.inputBits)) & (0xffff >> (16 - n));\n        }\n        this.inputBuf = (this.inputBuf << 8) | c;\n        this.inputBits += 8;\n      }\n      return (this.inputBuf >> (this.inputBits - n)) & (0xffff >> (16 - n));\n    },\n\n    /**\n     * @private\n     */\n    _eatBits(n) {\n      if ((this.inputBits -= n) < 0) {\n        this.inputBits = 0;\n      }\n    },\n  };\n\n  return CCITTFaxDecoder;\n})();\n\nexport { CCITTFaxDecoder };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the 'License');\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an 'AS IS' BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, BaseException, warn } from \"../shared/util.js\";\nimport { readUint16 } from \"./core_utils.js\";\n\nclass JpegError extends BaseException {\n  constructor(msg) {\n    super(`JPEG error: ${msg}`);\n  }\n}\n\nclass DNLMarkerError extends BaseException {\n  constructor(message, scanLines) {\n    super(message);\n    this.scanLines = scanLines;\n  }\n}\n\nclass EOIMarkerError extends BaseException {}\n\n/**\n * This code was forked from https://github.com/notmasteryet/jpgjs.\n * The original version was created by GitHub user notmasteryet.\n *\n * - The JPEG specification can be found in the ITU CCITT Recommendation T.81\n *   (www.w3.org/Graphics/JPEG/itu-t81.pdf)\n * - The JFIF specification can be found in the JPEG File Interchange Format\n *   (www.w3.org/Graphics/JPEG/jfif3.pdf)\n * - The Adobe Application-Specific JPEG markers in the\n *   Supporting the DCT Filters in PostScript Level 2, Technical Note #5116\n *   (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)\n */\n\nvar JpegImage = (function JpegImageClosure() {\n  // prettier-ignore\n  var dctZigZag = new Uint8Array([\n     0,\n     1,  8,\n    16,  9,  2,\n     3, 10, 17, 24,\n    32, 25, 18, 11, 4,\n     5, 12, 19, 26, 33, 40,\n    48, 41, 34, 27, 20, 13,  6,\n     7, 14, 21, 28, 35, 42, 49, 56,\n    57, 50, 43, 36, 29, 22, 15,\n    23, 30, 37, 44, 51, 58,\n    59, 52, 45, 38, 31,\n    39, 46, 53, 60,\n    61, 54, 47,\n    55, 62,\n    63\n  ]);\n\n  var dctCos1 = 4017; // cos(pi/16)\n  var dctSin1 = 799; // sin(pi/16)\n  var dctCos3 = 3406; // cos(3*pi/16)\n  var dctSin3 = 2276; // sin(3*pi/16)\n  var dctCos6 = 1567; // cos(6*pi/16)\n  var dctSin6 = 3784; // sin(6*pi/16)\n  var dctSqrt2 = 5793; // sqrt(2)\n  var dctSqrt1d2 = 2896; // sqrt(2) / 2\n\n  // eslint-disable-next-line no-shadow\n  function JpegImage({ decodeTransform = null, colorTransform = -1 } = {}) {\n    this._decodeTransform = decodeTransform;\n    this._colorTransform = colorTransform;\n  }\n\n  function buildHuffmanTable(codeLengths, values) {\n    var k = 0,\n      code = [],\n      i,\n      j,\n      length = 16;\n    while (length > 0 && !codeLengths[length - 1]) {\n      length--;\n    }\n    code.push({ children: [], index: 0 });\n    var p = code[0],\n      q;\n    for (i = 0; i < length; i++) {\n      for (j = 0; j < codeLengths[i]; j++) {\n        p = code.pop();\n        p.children[p.index] = values[k];\n        while (p.index > 0) {\n          p = code.pop();\n        }\n        p.index++;\n        code.push(p);\n        while (code.length <= i) {\n          code.push((q = { children: [], index: 0 }));\n          p.children[p.index] = q.children;\n          p = q;\n        }\n        k++;\n      }\n      if (i + 1 < length) {\n        // p here points to last code\n        code.push((q = { children: [], index: 0 }));\n        p.children[p.index] = q.children;\n        p = q;\n      }\n    }\n    return code[0].children;\n  }\n\n  function getBlockBufferOffset(component, row, col) {\n    return 64 * ((component.blocksPerLine + 1) * row + col);\n  }\n\n  function decodeScan(\n    data,\n    offset,\n    frame,\n    components,\n    resetInterval,\n    spectralStart,\n    spectralEnd,\n    successivePrev,\n    successive,\n    parseDNLMarker = false\n  ) {\n    var mcusPerLine = frame.mcusPerLine;\n    var progressive = frame.progressive;\n\n    const startOffset = offset;\n    let bitsData = 0,\n      bitsCount = 0;\n\n    function readBit() {\n      if (bitsCount > 0) {\n        bitsCount--;\n        return (bitsData >> bitsCount) & 1;\n      }\n      bitsData = data[offset++];\n      if (bitsData === 0xff) {\n        var nextByte = data[offset++];\n        if (nextByte) {\n          if (nextByte === /* DNL = */ 0xdc && parseDNLMarker) {\n            offset += 2; // Skip marker length.\n\n            const scanLines = readUint16(data, offset);\n            offset += 2;\n            if (scanLines > 0 && scanLines !== frame.scanLines) {\n              throw new DNLMarkerError(\n                \"Found DNL marker (0xFFDC) while parsing scan data\",\n                scanLines\n              );\n            }\n          } else if (nextByte === /* EOI = */ 0xd9) {\n            if (parseDNLMarker) {\n              // NOTE: only 8-bit JPEG images are supported in this decoder.\n              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);\n              // Heuristic to attempt to handle corrupt JPEG images with too\n              // large `scanLines` parameter, by falling back to the currently\n              // parsed number of scanLines when it's at least (approximately)\n              // one order of magnitude smaller than expected (fixes\n              // issue10880.pdf and issue10989.pdf).\n              if (\n                maybeScanLines > 0 &&\n                Math.round(frame.scanLines / maybeScanLines) >= 10\n              ) {\n                throw new DNLMarkerError(\n                  \"Found EOI marker (0xFFD9) while parsing scan data, \" +\n                    \"possibly caused by incorrect `scanLines` parameter\",\n                  maybeScanLines\n                );\n              }\n            }\n            throw new EOIMarkerError(\n              \"Found EOI marker (0xFFD9) while parsing scan data\"\n            );\n          }\n          throw new JpegError(\n            `unexpected marker ${((bitsData << 8) | nextByte).toString(16)}`\n          );\n        }\n        // unstuff 0\n      }\n      bitsCount = 7;\n      return bitsData >>> 7;\n    }\n\n    function decodeHuffman(tree) {\n      var node = tree;\n      while (true) {\n        node = node[readBit()];\n        switch (typeof node) {\n          case \"number\":\n            return node;\n          case \"object\":\n            continue;\n        }\n        throw new JpegError(\"invalid huffman sequence\");\n      }\n    }\n\n    function receive(length) {\n      var n = 0;\n      while (length > 0) {\n        n = (n << 1) | readBit();\n        length--;\n      }\n      return n;\n    }\n\n    function receiveAndExtend(length) {\n      if (length === 1) {\n        return readBit() === 1 ? 1 : -1;\n      }\n      var n = receive(length);\n      if (n >= 1 << (length - 1)) {\n        return n;\n      }\n      return n + (-1 << length) + 1;\n    }\n\n    function decodeBaseline(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t);\n      component.blockData[blockOffset] = component.pred += diff;\n      var k = 1;\n      while (k < 64) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] = receiveAndExtend(s);\n        k++;\n      }\n    }\n\n    function decodeDCFirst(component, blockOffset) {\n      var t = decodeHuffman(component.huffmanTableDC);\n      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;\n      component.blockData[blockOffset] = component.pred += diff;\n    }\n\n    function decodeDCSuccessive(component, blockOffset) {\n      component.blockData[blockOffset] |= readBit() << successive;\n    }\n\n    var eobrun = 0;\n    function decodeACFirst(component, blockOffset) {\n      if (eobrun > 0) {\n        eobrun--;\n        return;\n      }\n      var k = spectralStart,\n        e = spectralEnd;\n      while (k <= e) {\n        var rs = decodeHuffman(component.huffmanTableAC);\n        var s = rs & 15,\n          r = rs >> 4;\n        if (s === 0) {\n          if (r < 15) {\n            eobrun = receive(r) + (1 << r) - 1;\n            break;\n          }\n          k += 16;\n          continue;\n        }\n        k += r;\n        var z = dctZigZag[k];\n        component.blockData[blockOffset + z] =\n          receiveAndExtend(s) * (1 << successive);\n        k++;\n      }\n    }\n\n    var successiveACState = 0,\n      successiveACNextValue;\n    function decodeACSuccessive(component, blockOffset) {\n      var k = spectralStart;\n      var e = spectralEnd;\n      var r = 0;\n      var s;\n      var rs;\n      while (k <= e) {\n        const offsetZ = blockOffset + dctZigZag[k];\n        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;\n        switch (successiveACState) {\n          case 0: // initial state\n            rs = decodeHuffman(component.huffmanTableAC);\n            s = rs & 15;\n            r = rs >> 4;\n            if (s === 0) {\n              if (r < 15) {\n                eobrun = receive(r) + (1 << r);\n                successiveACState = 4;\n              } else {\n                r = 16;\n                successiveACState = 1;\n              }\n            } else {\n              if (s !== 1) {\n                throw new JpegError(\"invalid ACn encoding\");\n              }\n              successiveACNextValue = receiveAndExtend(s);\n              successiveACState = r ? 2 : 3;\n            }\n            continue;\n          case 1: // skipping r zero items\n          case 2:\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              r--;\n              if (r === 0) {\n                successiveACState = successiveACState === 2 ? 3 : 0;\n              }\n            }\n            break;\n          case 3: // set value for a zero item\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            } else {\n              component.blockData[offsetZ] =\n                successiveACNextValue << successive;\n              successiveACState = 0;\n            }\n            break;\n          case 4: // eob\n            if (component.blockData[offsetZ]) {\n              component.blockData[offsetZ] += sign * (readBit() << successive);\n            }\n            break;\n        }\n        k++;\n      }\n      if (successiveACState === 4) {\n        eobrun--;\n        if (eobrun === 0) {\n          successiveACState = 0;\n        }\n      }\n    }\n\n    let blockRow = 0;\n    function decodeMcu(component, decode, mcu, row, col) {\n      var mcuRow = (mcu / mcusPerLine) | 0;\n      var mcuCol = mcu % mcusPerLine;\n      blockRow = mcuRow * component.v + row;\n      var blockCol = mcuCol * component.h + col;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    function decodeBlock(component, decode, mcu) {\n      blockRow = (mcu / component.blocksPerLine) | 0;\n      var blockCol = mcu % component.blocksPerLine;\n      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);\n      decode(component, blockOffset);\n    }\n\n    var componentsLength = components.length;\n    var component, i, j, k, n;\n    var decodeFn;\n    if (progressive) {\n      if (spectralStart === 0) {\n        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;\n      } else {\n        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;\n      }\n    } else {\n      decodeFn = decodeBaseline;\n    }\n\n    var mcu = 0,\n      fileMarker;\n    var mcuExpected;\n    if (componentsLength === 1) {\n      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;\n    } else {\n      mcuExpected = mcusPerLine * frame.mcusPerColumn;\n    }\n\n    var h, v;\n    while (mcu <= mcuExpected) {\n      // reset interval stuff\n      var mcuToRead = resetInterval\n        ? Math.min(mcuExpected - mcu, resetInterval)\n        : mcuExpected;\n\n      // The `mcuToRead === 0` case should only occur when all of the expected\n      // MCU data has been already parsed, i.e. when `mcu === mcuExpected`, but\n      // some corrupt JPEG images contain more data than intended and we thus\n      // want to skip over any extra RSTx markers below (fixes issue11794.pdf).\n      if (mcuToRead > 0) {\n        for (i = 0; i < componentsLength; i++) {\n          components[i].pred = 0;\n        }\n        eobrun = 0;\n\n        if (componentsLength === 1) {\n          component = components[0];\n          for (n = 0; n < mcuToRead; n++) {\n            decodeBlock(component, decodeFn, mcu);\n            mcu++;\n          }\n        } else {\n          for (n = 0; n < mcuToRead; n++) {\n            for (i = 0; i < componentsLength; i++) {\n              component = components[i];\n              h = component.h;\n              v = component.v;\n              for (j = 0; j < v; j++) {\n                for (k = 0; k < h; k++) {\n                  decodeMcu(component, decodeFn, mcu, j, k);\n                }\n              }\n            }\n            mcu++;\n          }\n        }\n      }\n\n      // find marker\n      bitsCount = 0;\n      fileMarker = findNextFileMarker(data, offset);\n      if (!fileMarker) {\n        break; // Reached the end of the image data without finding any marker.\n      }\n      if (fileMarker.invalid) {\n        // Some bad images seem to pad Scan blocks with e.g. zero bytes, skip\n        // past those to attempt to find a valid marker (fixes issue4090.pdf).\n        const partialMsg = mcuToRead > 0 ? \"unexpected\" : \"excessive\";\n        warn(\n          `decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`\n        );\n        offset = fileMarker.offset;\n      }\n      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {\n        // RSTx\n        offset += 2;\n      } else {\n        break;\n      }\n    }\n\n    return offset - startOffset;\n  }\n\n  // A port of poppler's IDCT method which in turn is taken from:\n  //   Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,\n  //   'Practical Fast 1-D DCT Algorithms with 11 Multiplications',\n  //   IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,\n  //   988-991.\n  function quantizeAndInverse(component, blockBufferOffset, p) {\n    var qt = component.quantizationTable,\n      blockData = component.blockData;\n    var v0, v1, v2, v3, v4, v5, v6, v7;\n    var p0, p1, p2, p3, p4, p5, p6, p7;\n    var t;\n\n    if (!qt) {\n      throw new JpegError(\"missing required Quantization Table.\");\n    }\n\n    // inverse DCT on rows\n    for (var row = 0; row < 64; row += 8) {\n      // gather block data\n      p0 = blockData[blockBufferOffset + row];\n      p1 = blockData[blockBufferOffset + row + 1];\n      p2 = blockData[blockBufferOffset + row + 2];\n      p3 = blockData[blockBufferOffset + row + 3];\n      p4 = blockData[blockBufferOffset + row + 4];\n      p5 = blockData[blockBufferOffset + row + 5];\n      p6 = blockData[blockBufferOffset + row + 6];\n      p7 = blockData[blockBufferOffset + row + 7];\n\n      // dequant p0\n      p0 *= qt[row];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 512) >> 10;\n        p[row] = t;\n        p[row + 1] = t;\n        p[row + 2] = t;\n        p[row + 3] = t;\n        p[row + 4] = t;\n        p[row + 5] = t;\n        p[row + 6] = t;\n        p[row + 7] = t;\n        continue;\n      }\n      // dequant p1 ... p7\n      p1 *= qt[row + 1];\n      p2 *= qt[row + 2];\n      p3 *= qt[row + 3];\n      p4 *= qt[row + 4];\n      p5 *= qt[row + 5];\n      p6 *= qt[row + 6];\n      p7 *= qt[row + 7];\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 128) >> 8;\n      v1 = (dctSqrt2 * p4 + 128) >> 8;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8;\n      v5 = p3 << 4;\n      v6 = p5 << 4;\n\n      // stage 3\n      v0 = (v0 + v1 + 1) >> 1;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p[row] = v0 + v7;\n      p[row + 7] = v0 - v7;\n      p[row + 1] = v1 + v6;\n      p[row + 6] = v1 - v6;\n      p[row + 2] = v2 + v5;\n      p[row + 5] = v2 - v5;\n      p[row + 3] = v3 + v4;\n      p[row + 4] = v3 - v4;\n    }\n\n    // inverse DCT on columns\n    for (var col = 0; col < 8; ++col) {\n      p0 = p[col];\n      p1 = p[col + 8];\n      p2 = p[col + 16];\n      p3 = p[col + 24];\n      p4 = p[col + 32];\n      p5 = p[col + 40];\n      p6 = p[col + 48];\n      p7 = p[col + 56];\n\n      // check for all-zero AC coefficients\n      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {\n        t = (dctSqrt2 * p0 + 8192) >> 14;\n        // Convert to 8-bit.\n        if (t < -2040) {\n          t = 0;\n        } else if (t >= 2024) {\n          t = 255;\n        } else {\n          t = (t + 2056) >> 4;\n        }\n        blockData[blockBufferOffset + col] = t;\n        blockData[blockBufferOffset + col + 8] = t;\n        blockData[blockBufferOffset + col + 16] = t;\n        blockData[blockBufferOffset + col + 24] = t;\n        blockData[blockBufferOffset + col + 32] = t;\n        blockData[blockBufferOffset + col + 40] = t;\n        blockData[blockBufferOffset + col + 48] = t;\n        blockData[blockBufferOffset + col + 56] = t;\n        continue;\n      }\n\n      // stage 4\n      v0 = (dctSqrt2 * p0 + 2048) >> 12;\n      v1 = (dctSqrt2 * p4 + 2048) >> 12;\n      v2 = p2;\n      v3 = p6;\n      v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12;\n      v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12;\n      v5 = p3;\n      v6 = p5;\n\n      // stage 3\n      // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when\n      // converting to UInt8 range later.\n      v0 = ((v0 + v1 + 1) >> 1) + 4112;\n      v1 = v0 - v1;\n      t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;\n      v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;\n      v3 = t;\n      v4 = (v4 + v6 + 1) >> 1;\n      v6 = v4 - v6;\n      v7 = (v7 + v5 + 1) >> 1;\n      v5 = v7 - v5;\n\n      // stage 2\n      v0 = (v0 + v3 + 1) >> 1;\n      v3 = v0 - v3;\n      v1 = (v1 + v2 + 1) >> 1;\n      v2 = v1 - v2;\n      t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;\n      v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;\n      v7 = t;\n      t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;\n      v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;\n      v6 = t;\n\n      // stage 1\n      p0 = v0 + v7;\n      p7 = v0 - v7;\n      p1 = v1 + v6;\n      p6 = v1 - v6;\n      p2 = v2 + v5;\n      p5 = v2 - v5;\n      p3 = v3 + v4;\n      p4 = v3 - v4;\n\n      // Convert to 8-bit integers.\n      if (p0 < 16) {\n        p0 = 0;\n      } else if (p0 >= 4080) {\n        p0 = 255;\n      } else {\n        p0 >>= 4;\n      }\n      if (p1 < 16) {\n        p1 = 0;\n      } else if (p1 >= 4080) {\n        p1 = 255;\n      } else {\n        p1 >>= 4;\n      }\n      if (p2 < 16) {\n        p2 = 0;\n      } else if (p2 >= 4080) {\n        p2 = 255;\n      } else {\n        p2 >>= 4;\n      }\n      if (p3 < 16) {\n        p3 = 0;\n      } else if (p3 >= 4080) {\n        p3 = 255;\n      } else {\n        p3 >>= 4;\n      }\n      if (p4 < 16) {\n        p4 = 0;\n      } else if (p4 >= 4080) {\n        p4 = 255;\n      } else {\n        p4 >>= 4;\n      }\n      if (p5 < 16) {\n        p5 = 0;\n      } else if (p5 >= 4080) {\n        p5 = 255;\n      } else {\n        p5 >>= 4;\n      }\n      if (p6 < 16) {\n        p6 = 0;\n      } else if (p6 >= 4080) {\n        p6 = 255;\n      } else {\n        p6 >>= 4;\n      }\n      if (p7 < 16) {\n        p7 = 0;\n      } else if (p7 >= 4080) {\n        p7 = 255;\n      } else {\n        p7 >>= 4;\n      }\n\n      // store block data\n      blockData[blockBufferOffset + col] = p0;\n      blockData[blockBufferOffset + col + 8] = p1;\n      blockData[blockBufferOffset + col + 16] = p2;\n      blockData[blockBufferOffset + col + 24] = p3;\n      blockData[blockBufferOffset + col + 32] = p4;\n      blockData[blockBufferOffset + col + 40] = p5;\n      blockData[blockBufferOffset + col + 48] = p6;\n      blockData[blockBufferOffset + col + 56] = p7;\n    }\n  }\n\n  function buildComponentData(frame, component) {\n    var blocksPerLine = component.blocksPerLine;\n    var blocksPerColumn = component.blocksPerColumn;\n    var computationBuffer = new Int16Array(64);\n\n    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {\n      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {\n        var offset = getBlockBufferOffset(component, blockRow, blockCol);\n        quantizeAndInverse(component, offset, computationBuffer);\n      }\n    }\n    return component.blockData;\n  }\n\n  function findNextFileMarker(data, currentPos, startPos = currentPos) {\n    const maxPos = data.length - 1;\n    var newPos = startPos < currentPos ? startPos : currentPos;\n\n    if (currentPos >= maxPos) {\n      return null; // Don't attempt to read non-existent data and just return.\n    }\n    var currentMarker = readUint16(data, currentPos);\n    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {\n      return {\n        invalid: null,\n        marker: currentMarker,\n        offset: currentPos,\n      };\n    }\n    var newMarker = readUint16(data, newPos);\n    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {\n      if (++newPos >= maxPos) {\n        return null; // Don't attempt to read non-existent data and just return.\n      }\n      newMarker = readUint16(data, newPos);\n    }\n    return {\n      invalid: currentMarker.toString(16),\n      marker: newMarker,\n      offset: newPos,\n    };\n  }\n\n  JpegImage.prototype = {\n    parse(data, { dnlScanLines = null } = {}) {\n      function readDataBlock() {\n        const length = readUint16(data, offset);\n        offset += 2;\n        let endOffset = offset + length - 2;\n\n        var fileMarker = findNextFileMarker(data, endOffset, offset);\n        if (fileMarker && fileMarker.invalid) {\n          warn(\n            \"readDataBlock - incorrect length, current marker is: \" +\n              fileMarker.invalid\n          );\n          endOffset = fileMarker.offset;\n        }\n\n        var array = data.subarray(offset, endOffset);\n        offset += array.length;\n        return array;\n      }\n\n      function prepareComponents(frame) {\n        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);\n        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);\n        for (var i = 0; i < frame.components.length; i++) {\n          component = frame.components[i];\n          var blocksPerLine = Math.ceil(\n            (Math.ceil(frame.samplesPerLine / 8) * component.h) / frame.maxH\n          );\n          var blocksPerColumn = Math.ceil(\n            (Math.ceil(frame.scanLines / 8) * component.v) / frame.maxV\n          );\n          var blocksPerLineForMcu = mcusPerLine * component.h;\n          var blocksPerColumnForMcu = mcusPerColumn * component.v;\n\n          var blocksBufferSize =\n            64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);\n          component.blockData = new Int16Array(blocksBufferSize);\n          component.blocksPerLine = blocksPerLine;\n          component.blocksPerColumn = blocksPerColumn;\n        }\n        frame.mcusPerLine = mcusPerLine;\n        frame.mcusPerColumn = mcusPerColumn;\n      }\n\n      var offset = 0;\n      var jfif = null;\n      var adobe = null;\n      var frame, resetInterval;\n      let numSOSMarkers = 0;\n      var quantizationTables = [];\n      var huffmanTablesAC = [],\n        huffmanTablesDC = [];\n\n      let fileMarker = readUint16(data, offset);\n      offset += 2;\n      if (fileMarker !== /* SOI (Start of Image) = */ 0xffd8) {\n        throw new JpegError(\"SOI not found\");\n      }\n      fileMarker = readUint16(data, offset);\n      offset += 2;\n\n      markerLoop: while (fileMarker !== /* EOI (End of Image) = */ 0xffd9) {\n        var i, j, l;\n        switch (fileMarker) {\n          case 0xffe0: // APP0 (Application Specific)\n          case 0xffe1: // APP1\n          case 0xffe2: // APP2\n          case 0xffe3: // APP3\n          case 0xffe4: // APP4\n          case 0xffe5: // APP5\n          case 0xffe6: // APP6\n          case 0xffe7: // APP7\n          case 0xffe8: // APP8\n          case 0xffe9: // APP9\n          case 0xffea: // APP10\n          case 0xffeb: // APP11\n          case 0xffec: // APP12\n          case 0xffed: // APP13\n          case 0xffee: // APP14\n          case 0xffef: // APP15\n          case 0xfffe: // COM (Comment)\n            var appData = readDataBlock();\n\n            if (fileMarker === 0xffe0) {\n              // 'JFIF\\x00'\n              if (\n                appData[0] === 0x4a &&\n                appData[1] === 0x46 &&\n                appData[2] === 0x49 &&\n                appData[3] === 0x46 &&\n                appData[4] === 0\n              ) {\n                jfif = {\n                  version: { major: appData[5], minor: appData[6] },\n                  densityUnits: appData[7],\n                  xDensity: (appData[8] << 8) | appData[9],\n                  yDensity: (appData[10] << 8) | appData[11],\n                  thumbWidth: appData[12],\n                  thumbHeight: appData[13],\n                  thumbData: appData.subarray(\n                    14,\n                    14 + 3 * appData[12] * appData[13]\n                  ),\n                };\n              }\n            }\n            // TODO APP1 - Exif\n            if (fileMarker === 0xffee) {\n              // 'Adobe'\n              if (\n                appData[0] === 0x41 &&\n                appData[1] === 0x64 &&\n                appData[2] === 0x6f &&\n                appData[3] === 0x62 &&\n                appData[4] === 0x65\n              ) {\n                adobe = {\n                  version: (appData[5] << 8) | appData[6],\n                  flags0: (appData[7] << 8) | appData[8],\n                  flags1: (appData[9] << 8) | appData[10],\n                  transformCode: appData[11],\n                };\n              }\n            }\n            break;\n\n          case 0xffdb: // DQT (Define Quantization Tables)\n            const quantizationTablesLength = readUint16(data, offset);\n            offset += 2;\n            var quantizationTablesEnd = quantizationTablesLength + offset - 2;\n            var z;\n            while (offset < quantizationTablesEnd) {\n              var quantizationTableSpec = data[offset++];\n              var tableData = new Uint16Array(64);\n              if (quantizationTableSpec >> 4 === 0) {\n                // 8 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = data[offset++];\n                }\n              } else if (quantizationTableSpec >> 4 === 1) {\n                // 16 bit values\n                for (j = 0; j < 64; j++) {\n                  z = dctZigZag[j];\n                  tableData[z] = readUint16(data, offset);\n                  offset += 2;\n                }\n              } else {\n                throw new JpegError(\"DQT - invalid table spec\");\n              }\n              quantizationTables[quantizationTableSpec & 15] = tableData;\n            }\n            break;\n\n          case 0xffc0: // SOF0 (Start of Frame, Baseline DCT)\n          case 0xffc1: // SOF1 (Start of Frame, Extended DCT)\n          case 0xffc2: // SOF2 (Start of Frame, Progressive DCT)\n            if (frame) {\n              throw new JpegError(\"Only single frame JPEGs supported\");\n            }\n            offset += 2; // Skip marker length.\n\n            frame = {};\n            frame.extended = fileMarker === 0xffc1;\n            frame.progressive = fileMarker === 0xffc2;\n            frame.precision = data[offset++];\n            const sofScanLines = readUint16(data, offset);\n            offset += 2;\n            frame.scanLines = dnlScanLines || sofScanLines;\n            frame.samplesPerLine = readUint16(data, offset);\n            offset += 2;\n            frame.components = [];\n            frame.componentIds = {};\n            var componentsCount = data[offset++],\n              componentId;\n            var maxH = 0,\n              maxV = 0;\n            for (i = 0; i < componentsCount; i++) {\n              componentId = data[offset];\n              var h = data[offset + 1] >> 4;\n              var v = data[offset + 1] & 15;\n              if (maxH < h) {\n                maxH = h;\n              }\n              if (maxV < v) {\n                maxV = v;\n              }\n              var qId = data[offset + 2];\n              l = frame.components.push({\n                h,\n                v,\n                quantizationId: qId,\n                quantizationTable: null, // See comment below.\n              });\n              frame.componentIds[componentId] = l - 1;\n              offset += 3;\n            }\n            frame.maxH = maxH;\n            frame.maxV = maxV;\n            prepareComponents(frame);\n            break;\n\n          case 0xffc4: // DHT (Define Huffman Tables)\n            const huffmanLength = readUint16(data, offset);\n            offset += 2;\n            for (i = 2; i < huffmanLength; ) {\n              var huffmanTableSpec = data[offset++];\n              var codeLengths = new Uint8Array(16);\n              var codeLengthSum = 0;\n              for (j = 0; j < 16; j++, offset++) {\n                codeLengthSum += codeLengths[j] = data[offset];\n              }\n              var huffmanValues = new Uint8Array(codeLengthSum);\n              for (j = 0; j < codeLengthSum; j++, offset++) {\n                huffmanValues[j] = data[offset];\n              }\n              i += 17 + codeLengthSum;\n\n              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[\n                huffmanTableSpec & 15\n              ] = buildHuffmanTable(codeLengths, huffmanValues);\n            }\n            break;\n\n          case 0xffdd: // DRI (Define Restart Interval)\n            offset += 2; // Skip marker length.\n\n            resetInterval = readUint16(data, offset);\n            offset += 2;\n            break;\n\n          case 0xffda: // SOS (Start of Scan)\n            // A DNL marker (0xFFDC), if it exists, is only allowed at the end\n            // of the first scan segment and may only occur once in an image.\n            // Furthermore, to prevent an infinite loop, do *not* attempt to\n            // parse DNL markers during re-parsing of the JPEG scan data.\n            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;\n\n            offset += 2; // Skip marker length.\n\n            var selectorsCount = data[offset++];\n            var components = [],\n              component;\n            for (i = 0; i < selectorsCount; i++) {\n              const index = data[offset++];\n              var componentIndex = frame.componentIds[index];\n              component = frame.components[componentIndex];\n              component.index = index;\n              var tableSpec = data[offset++];\n              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];\n              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];\n              components.push(component);\n            }\n            var spectralStart = data[offset++];\n            var spectralEnd = data[offset++];\n            var successiveApproximation = data[offset++];\n            try {\n              var processed = decodeScan(\n                data,\n                offset,\n                frame,\n                components,\n                resetInterval,\n                spectralStart,\n                spectralEnd,\n                successiveApproximation >> 4,\n                successiveApproximation & 15,\n                parseDNLMarker\n              );\n              offset += processed;\n            } catch (ex) {\n              if (ex instanceof DNLMarkerError) {\n                warn(`${ex.message} -- attempting to re-parse the JPEG image.`);\n                return this.parse(data, { dnlScanLines: ex.scanLines });\n              } else if (ex instanceof EOIMarkerError) {\n                warn(`${ex.message} -- ignoring the rest of the image data.`);\n                break markerLoop;\n              }\n              throw ex;\n            }\n            break;\n\n          case 0xffdc: // DNL (Define Number of Lines)\n            // Ignore the marker, since it's being handled in `decodeScan`.\n            offset += 4;\n            break;\n\n          case 0xffff: // Fill bytes\n            if (data[offset] !== 0xff) {\n              // Avoid skipping a valid marker.\n              offset--;\n            }\n            break;\n\n          default:\n            // Could be incorrect encoding -- the last 0xFF byte of the previous\n            // block could have been eaten by the encoder, hence we fallback to\n            // `startPos = offset - 3` when looking for the next valid marker.\n            const nextFileMarker = findNextFileMarker(\n              data,\n              /* currentPos = */ offset - 2,\n              /* startPos = */ offset - 3\n            );\n            if (nextFileMarker && nextFileMarker.invalid) {\n              warn(\n                \"JpegImage.parse - unexpected data, current marker is: \" +\n                  nextFileMarker.invalid\n              );\n              offset = nextFileMarker.offset;\n              break;\n            }\n            if (offset >= data.length - 1) {\n              warn(\n                \"JpegImage.parse - reached the end of the image data \" +\n                  \"without finding an EOI marker (0xFFD9).\"\n              );\n              break markerLoop;\n            }\n            throw new JpegError(\n              \"JpegImage.parse - unknown marker: \" + fileMarker.toString(16)\n            );\n        }\n        fileMarker = readUint16(data, offset);\n        offset += 2;\n      }\n\n      this.width = frame.samplesPerLine;\n      this.height = frame.scanLines;\n      this.jfif = jfif;\n      this.adobe = adobe;\n      this.components = [];\n      for (i = 0; i < frame.components.length; i++) {\n        component = frame.components[i];\n\n        // Prevent errors when DQT markers are placed after SOF{n} markers,\n        // by assigning the `quantizationTable` entry after the entire image\n        // has been parsed (fixes issue7406.pdf).\n        var quantizationTable = quantizationTables[component.quantizationId];\n        if (quantizationTable) {\n          component.quantizationTable = quantizationTable;\n        }\n\n        this.components.push({\n          index: component.index,\n          output: buildComponentData(frame, component),\n          scaleX: component.h / frame.maxH,\n          scaleY: component.v / frame.maxV,\n          blocksPerLine: component.blocksPerLine,\n          blocksPerColumn: component.blocksPerColumn,\n        });\n      }\n      this.numComponents = this.components.length;\n      return undefined;\n    },\n\n    _getLinearizedBlockData(width, height, isSourcePDF = false) {\n      var scaleX = this.width / width,\n        scaleY = this.height / height;\n\n      var component, componentScaleX, componentScaleY, blocksPerScanline;\n      var x, y, i, j, k;\n      var index;\n      var offset = 0;\n      var output;\n      var numComponents = this.components.length;\n      var dataLength = width * height * numComponents;\n      var data = new Uint8ClampedArray(dataLength);\n      var xScaleBlockOffset = new Uint32Array(width);\n      var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs\n      let lastComponentScaleX;\n\n      for (i = 0; i < numComponents; i++) {\n        component = this.components[i];\n        componentScaleX = component.scaleX * scaleX;\n        componentScaleY = component.scaleY * scaleY;\n        offset = i;\n        output = component.output;\n        blocksPerScanline = (component.blocksPerLine + 1) << 3;\n        // Precalculate the `xScaleBlockOffset`. Since it doesn't depend on the\n        // component data, that's only necessary when `componentScaleX` changes.\n        if (componentScaleX !== lastComponentScaleX) {\n          for (x = 0; x < width; x++) {\n            j = 0 | (x * componentScaleX);\n            xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7);\n          }\n          lastComponentScaleX = componentScaleX;\n        }\n        // linearize the blocks of the component\n        for (y = 0; y < height; y++) {\n          j = 0 | (y * componentScaleY);\n          index = (blocksPerScanline * (j & mask3LSB)) | ((j & 7) << 3);\n          for (x = 0; x < width; x++) {\n            data[offset] = output[index + xScaleBlockOffset[x]];\n            offset += numComponents;\n          }\n        }\n      }\n\n      // decodeTransform contains pairs of multiplier (-256..256) and additive\n      let transform = this._decodeTransform;\n\n      // In PDF files, JPEG images with CMYK colour spaces are usually inverted\n      // (this can be observed by extracting the raw image data).\n      // Since the conversion algorithms (see below) were written primarily for\n      // the PDF use-cases, attempting to use `JpegImage` to parse standalone\n      // JPEG (CMYK) images may thus result in inverted images (see issue 9513).\n      //\n      // Unfortunately it's not (always) possible to tell, from the image data\n      // alone, if it needs to be inverted. Thus in an attempt to provide better\n      // out-of-box behaviour when `JpegImage` is used standalone, default to\n      // inverting JPEG (CMYK) images if and only if the image data does *not*\n      // come from a PDF file and no `decodeTransform` was passed by the user.\n      if (!isSourcePDF && numComponents === 4 && !transform) {\n        // prettier-ignore\n        transform = new Int32Array([\n          -256, 255, -256, 255, -256, 255, -256, 255]);\n      }\n\n      if (transform) {\n        for (i = 0; i < dataLength; ) {\n          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {\n            data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1];\n          }\n        }\n      }\n      return data;\n    },\n\n    get _isColorConversionNeeded() {\n      if (this.adobe) {\n        // The adobe transform marker overrides any previous setting.\n        return !!this.adobe.transformCode;\n      }\n      if (this.numComponents === 3) {\n        if (this._colorTransform === 0) {\n          // If the Adobe transform marker is not present and the image\n          // dictionary has a 'ColorTransform' entry, explicitly set to `0`,\n          // then the colours should *not* be transformed.\n          return false;\n        } else if (\n          this.components[0].index === /* \"R\" = */ 0x52 &&\n          this.components[1].index === /* \"G\" = */ 0x47 &&\n          this.components[2].index === /* \"B\" = */ 0x42\n        ) {\n          // If the three components are indexed as RGB in ASCII\n          // then the colours should *not* be transformed.\n          return false;\n        }\n        return true;\n      }\n      // `this.numComponents !== 3`\n      if (this._colorTransform === 1) {\n        // If the Adobe transform marker is not present and the image\n        // dictionary has a 'ColorTransform' entry, explicitly set to `1`,\n        // then the colours should be transformed.\n        return true;\n      }\n      return false;\n    },\n\n    _convertYccToRgb: function convertYccToRgb(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 3) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = Y - 179.456 + 1.402 * Cr;\n        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;\n        data[i + 2] = Y - 226.816 + 1.772 * Cb;\n      }\n      return data;\n    },\n\n    _convertYcckToRgb: function convertYcckToRgb(data) {\n      var Y, Cb, Cr, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          -122.67195406894 +\n          Cb *\n            (-6.60635669420364e-5 * Cb +\n              0.000437130475926232 * Cr -\n              5.4080610064599e-5 * Y +\n              0.00048449797120281 * k -\n              0.154362151871126) +\n          Cr *\n            (-0.000957964378445773 * Cr +\n              0.000817076911346625 * Y -\n              0.00477271405408747 * k +\n              1.53380253221734) +\n          Y *\n            (0.000961250184130688 * Y -\n              0.00266257332283933 * k +\n              0.48357088451265) +\n          k * (-0.000336197177618394 * k + 0.484791561490776);\n\n        data[offset++] =\n          107.268039397724 +\n          Cb *\n            (2.19927104525741e-5 * Cb -\n              0.000640992018297945 * Cr +\n              0.000659397001245577 * Y +\n              0.000426105652938837 * k -\n              0.176491792462875) +\n          Cr *\n            (-0.000778269941513683 * Cr +\n              0.00130872261408275 * Y +\n              0.000770482631801132 * k -\n              0.151051492775562) +\n          Y *\n            (0.00126935368114843 * Y -\n              0.00265090189010898 * k +\n              0.25802910206845) +\n          k * (-0.000318913117588328 * k - 0.213742400323665);\n\n        data[offset++] =\n          -20.810012546947 +\n          Cb *\n            (-0.000570115196973677 * Cb -\n              2.63409051004589e-5 * Cr +\n              0.0020741088115012 * Y -\n              0.00288260236853442 * k +\n              0.814272968359295) +\n          Cr *\n            (-1.53496057440975e-5 * Cr -\n              0.000132689043961446 * Y +\n              0.000560833691242812 * k -\n              0.195152027534049) +\n          Y *\n            (0.00174418132927582 * Y -\n              0.00255243321439347 * k +\n              0.116935020465145) +\n          k * (-0.000343531996510555 * k + 0.24165260232407);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    _convertYcckToCmyk: function convertYcckToCmyk(data) {\n      var Y, Cb, Cr;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        Y = data[i];\n        Cb = data[i + 1];\n        Cr = data[i + 2];\n        data[i] = 434.456 - Y - 1.402 * Cr;\n        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;\n        data[i + 2] = 481.816 - Y - 1.772 * Cb;\n        // K in data[i + 3] is unchanged\n      }\n      return data;\n    },\n\n    _convertCmykToRgb: function convertCmykToRgb(data) {\n      var c, m, y, k;\n      var offset = 0;\n      for (var i = 0, length = data.length; i < length; i += 4) {\n        c = data[i];\n        m = data[i + 1];\n        y = data[i + 2];\n        k = data[i + 3];\n\n        data[offset++] =\n          255 +\n          c *\n            (-0.00006747147073602441 * c +\n              0.0008379262121013727 * m +\n              0.0002894718188643294 * y +\n              0.003264231057537806 * k -\n              1.1185611867203937) +\n          m *\n            (0.000026374107616089405 * m -\n              0.00008626949158638572 * y -\n              0.0002748769067499491 * k -\n              0.02155688794978967) +\n          y *\n            (-0.00003878099212869363 * y -\n              0.0003267808279485286 * k +\n              0.0686742238595345) -\n          k * (0.0003361971776183937 * k + 0.7430659151342254);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.00013596372813588848 * c +\n              0.000924537132573585 * m +\n              0.00010567359618683593 * y +\n              0.0004791864687436512 * k -\n              0.3109689587515875) +\n          m *\n            (-0.00023545346108370344 * m +\n              0.0002702845253534714 * y +\n              0.0020200308977307156 * k -\n              0.7488052167015494) +\n          y *\n            (0.00006834815998235662 * y +\n              0.00015168452363460973 * k -\n              0.09751927774728933) -\n          k * (0.00031891311758832814 * k + 0.7364883807733168);\n\n        data[offset++] =\n          255 +\n          c *\n            (0.000013598650411385307 * c +\n              0.00012423956175490851 * m +\n              0.0004751985097583589 * y -\n              0.0000036729317476630422 * k -\n              0.05562186980264034) +\n          m *\n            (0.00016141380598724676 * m +\n              0.0009692239130725186 * y +\n              0.0007782692450036253 * k -\n              0.44015232367526463) +\n          y *\n            (5.068882914068769e-7 * y +\n              0.0017778369011375071 * k -\n              0.7591454649749609) -\n          k * (0.0003435319965105553 * k + 0.7063770186160144);\n      }\n      // Ensure that only the converted RGB data is returned.\n      return data.subarray(0, offset);\n    },\n\n    getData({ width, height, forceRGB = false, isSourcePDF = false }) {\n      if (\n        typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || TESTING\")\n      ) {\n        assert(\n          isSourcePDF === true,\n          'JpegImage.getData: Unexpected \"isSourcePDF\" value for PDF files.'\n        );\n      }\n      if (this.numComponents > 4) {\n        throw new JpegError(\"Unsupported color mode\");\n      }\n      // Type of data: Uint8ClampedArray(width * height * numComponents)\n      var data = this._getLinearizedBlockData(width, height, isSourcePDF);\n\n      if (this.numComponents === 1 && forceRGB) {\n        var dataLength = data.length;\n        var rgbData = new Uint8ClampedArray(dataLength * 3);\n        var offset = 0;\n        for (var i = 0; i < dataLength; i++) {\n          var grayColor = data[i];\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n          rgbData[offset++] = grayColor;\n        }\n        return rgbData;\n      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {\n        return this._convertYccToRgb(data);\n      } else if (this.numComponents === 4) {\n        if (this._isColorConversionNeeded) {\n          if (forceRGB) {\n            return this._convertYcckToRgb(data);\n          }\n          return this._convertYcckToCmyk(data);\n        } else if (forceRGB) {\n          return this._convertCmykToRgb(data);\n        }\n      }\n      return data;\n    },\n  };\n\n  return JpegImage;\n})();\n\nexport { JpegImage };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseException, info, warn } from \"../shared/util.js\";\nimport { log2, readUint16, readUint32 } from \"./core_utils.js\";\nimport { ArithmeticDecoder } from \"./arithmetic_decoder.js\";\n\nclass JpxError extends BaseException {\n  constructor(msg) {\n    super(`JPX error: ${msg}`);\n  }\n}\n\nvar JpxImage = (function JpxImageClosure() {\n  // Table E.1\n  var SubbandsGainLog2 = {\n    LL: 0,\n    LH: 1,\n    HL: 1,\n    HH: 2,\n  };\n\n  // eslint-disable-next-line no-shadow\n  function JpxImage() {\n    this.failOnCorruptedImage = false;\n  }\n  JpxImage.prototype = {\n    parse: function JpxImage_parse(data) {\n      var head = readUint16(data, 0);\n      // No box header, immediate start of codestream (SOC)\n      if (head === 0xff4f) {\n        this.parseCodestream(data, 0, data.length);\n        return;\n      }\n\n      var position = 0,\n        length = data.length;\n      while (position < length) {\n        var headerSize = 8;\n        var lbox = readUint32(data, position);\n        var tbox = readUint32(data, position + 4);\n        position += headerSize;\n        if (lbox === 1) {\n          // XLBox: read UInt64 according to spec.\n          // JavaScript's int precision of 53 bit should be sufficient here.\n          lbox =\n            readUint32(data, position) * 4294967296 +\n            readUint32(data, position + 4);\n          position += 8;\n          headerSize += 8;\n        }\n        if (lbox === 0) {\n          lbox = length - position + headerSize;\n        }\n        if (lbox < headerSize) {\n          throw new JpxError(\"Invalid box field size\");\n        }\n        var dataLength = lbox - headerSize;\n        var jumpDataLength = true;\n        switch (tbox) {\n          case 0x6a703268: // 'jp2h'\n            jumpDataLength = false; // parsing child boxes\n            break;\n          case 0x636f6c72: // 'colr'\n            // Colorspaces are not used, the CS from the PDF is used.\n            var method = data[position];\n            if (method === 1) {\n              // enumerated colorspace\n              var colorspace = readUint32(data, position + 3);\n              switch (colorspace) {\n                case 16: // this indicates a sRGB colorspace\n                case 17: // this indicates a grayscale colorspace\n                case 18: // this indicates a YUV colorspace\n                  break;\n                default:\n                  warn(\"Unknown colorspace \" + colorspace);\n                  break;\n              }\n            } else if (method === 2) {\n              info(\"ICC profile not supported\");\n            }\n            break;\n          case 0x6a703263: // 'jp2c'\n            this.parseCodestream(data, position, position + dataLength);\n            break;\n          case 0x6a502020: // 'jP\\024\\024'\n            if (readUint32(data, position) !== 0x0d0a870a) {\n              warn(\"Invalid JP2 signature\");\n            }\n            break;\n          // The following header types are valid but currently not used:\n          case 0x6a501a1a: // 'jP\\032\\032'\n          case 0x66747970: // 'ftyp'\n          case 0x72726571: // 'rreq'\n          case 0x72657320: // 'res '\n          case 0x69686472: // 'ihdr'\n            break;\n          default:\n            var headerType = String.fromCharCode(\n              (tbox >> 24) & 0xff,\n              (tbox >> 16) & 0xff,\n              (tbox >> 8) & 0xff,\n              tbox & 0xff\n            );\n            warn(\"Unsupported header type \" + tbox + \" (\" + headerType + \")\");\n            break;\n        }\n        if (jumpDataLength) {\n          position += dataLength;\n        }\n      }\n    },\n    parseImageProperties: function JpxImage_parseImageProperties(stream) {\n      var newByte = stream.getByte();\n      while (newByte >= 0) {\n        var oldByte = newByte;\n        newByte = stream.getByte();\n        var code = (oldByte << 8) | newByte;\n        // Image and tile size (SIZ)\n        if (code === 0xff51) {\n          stream.skip(4);\n          var Xsiz = stream.getInt32() >>> 0; // Byte 4\n          var Ysiz = stream.getInt32() >>> 0; // Byte 8\n          var XOsiz = stream.getInt32() >>> 0; // Byte 12\n          var YOsiz = stream.getInt32() >>> 0; // Byte 16\n          stream.skip(16);\n          var Csiz = stream.getUint16(); // Byte 36\n          this.width = Xsiz - XOsiz;\n          this.height = Ysiz - YOsiz;\n          this.componentsCount = Csiz;\n          // Results are always returned as `Uint8ClampedArray`s.\n          this.bitsPerComponent = 8;\n          return;\n        }\n      }\n      throw new JpxError(\"No size marker found in JPX stream\");\n    },\n    parseCodestream: function JpxImage_parseCodestream(data, start, end) {\n      var context = {};\n      var doNotRecover = false;\n      try {\n        var position = start;\n        while (position + 1 < end) {\n          var code = readUint16(data, position);\n          position += 2;\n\n          var length = 0,\n            j,\n            sqcd,\n            spqcds,\n            spqcdSize,\n            scalarExpounded,\n            tile;\n          switch (code) {\n            case 0xff4f: // Start of codestream (SOC)\n              context.mainHeader = true;\n              break;\n            case 0xffd9: // End of codestream (EOC)\n              break;\n            case 0xff51: // Image and tile size (SIZ)\n              length = readUint16(data, position);\n              var siz = {};\n              siz.Xsiz = readUint32(data, position + 4);\n              siz.Ysiz = readUint32(data, position + 8);\n              siz.XOsiz = readUint32(data, position + 12);\n              siz.YOsiz = readUint32(data, position + 16);\n              siz.XTsiz = readUint32(data, position + 20);\n              siz.YTsiz = readUint32(data, position + 24);\n              siz.XTOsiz = readUint32(data, position + 28);\n              siz.YTOsiz = readUint32(data, position + 32);\n              var componentsCount = readUint16(data, position + 36);\n              siz.Csiz = componentsCount;\n              var components = [];\n              j = position + 38;\n              for (var i = 0; i < componentsCount; i++) {\n                var component = {\n                  precision: (data[j] & 0x7f) + 1,\n                  isSigned: !!(data[j] & 0x80),\n                  XRsiz: data[j + 1],\n                  YRsiz: data[j + 2],\n                };\n                j += 3;\n                calculateComponentDimensions(component, siz);\n                components.push(component);\n              }\n              context.SIZ = siz;\n              context.components = components;\n              calculateTileGrids(context, components);\n              context.QCC = [];\n              context.COC = [];\n              break;\n            case 0xff5c: // Quantization default (QCD)\n              length = readUint16(data, position);\n              var qcd = {};\n              j = position + 2;\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcd.noQuantization = spqcdSize === 8;\n              qcd.scalarExpounded = scalarExpounded;\n              qcd.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                var spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcd.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCD = qcd;\n              } else {\n                context.currentTile.QCD = qcd;\n                context.currentTile.QCC = [];\n              }\n              break;\n            case 0xff5d: // Quantization component (QCC)\n              length = readUint16(data, position);\n              var qcc = {};\n              j = position + 2;\n              var cqcc;\n              if (context.SIZ.Csiz < 257) {\n                cqcc = data[j++];\n              } else {\n                cqcc = readUint16(data, j);\n                j += 2;\n              }\n              sqcd = data[j++];\n              switch (sqcd & 0x1f) {\n                case 0:\n                  spqcdSize = 8;\n                  scalarExpounded = true;\n                  break;\n                case 1:\n                  spqcdSize = 16;\n                  scalarExpounded = false;\n                  break;\n                case 2:\n                  spqcdSize = 16;\n                  scalarExpounded = true;\n                  break;\n                default:\n                  throw new Error(\"Invalid SQcd value \" + sqcd);\n              }\n              qcc.noQuantization = spqcdSize === 8;\n              qcc.scalarExpounded = scalarExpounded;\n              qcc.guardBits = sqcd >> 5;\n              spqcds = [];\n              while (j < length + position) {\n                spqcd = {};\n                if (spqcdSize === 8) {\n                  spqcd.epsilon = data[j++] >> 3;\n                  spqcd.mu = 0;\n                } else {\n                  spqcd.epsilon = data[j] >> 3;\n                  spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1];\n                  j += 2;\n                }\n                spqcds.push(spqcd);\n              }\n              qcc.SPqcds = spqcds;\n              if (context.mainHeader) {\n                context.QCC[cqcc] = qcc;\n              } else {\n                context.currentTile.QCC[cqcc] = qcc;\n              }\n              break;\n            case 0xff52: // Coding style default (COD)\n              length = readUint16(data, position);\n              var cod = {};\n              j = position + 2;\n              var scod = data[j++];\n              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);\n              cod.sopMarkerUsed = !!(scod & 2);\n              cod.ephMarkerUsed = !!(scod & 4);\n              cod.progressionOrder = data[j++];\n              cod.layersCount = readUint16(data, j);\n              j += 2;\n              cod.multipleComponentTransform = data[j++];\n\n              cod.decompositionLevelsCount = data[j++];\n              cod.xcb = (data[j++] & 0xf) + 2;\n              cod.ycb = (data[j++] & 0xf) + 2;\n              var blockStyle = data[j++];\n              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);\n              cod.resetContextProbabilities = !!(blockStyle & 2);\n              cod.terminationOnEachCodingPass = !!(blockStyle & 4);\n              cod.verticallyStripe = !!(blockStyle & 8);\n              cod.predictableTermination = !!(blockStyle & 16);\n              cod.segmentationSymbolUsed = !!(blockStyle & 32);\n              cod.reversibleTransformation = data[j++];\n              if (cod.entropyCoderWithCustomPrecincts) {\n                var precinctsSizes = [];\n                while (j < length + position) {\n                  var precinctsSize = data[j++];\n                  precinctsSizes.push({\n                    PPx: precinctsSize & 0xf,\n                    PPy: precinctsSize >> 4,\n                  });\n                }\n                cod.precinctsSizes = precinctsSizes;\n              }\n              var unsupported = [];\n              if (cod.selectiveArithmeticCodingBypass) {\n                unsupported.push(\"selectiveArithmeticCodingBypass\");\n              }\n              if (cod.resetContextProbabilities) {\n                unsupported.push(\"resetContextProbabilities\");\n              }\n              if (cod.terminationOnEachCodingPass) {\n                unsupported.push(\"terminationOnEachCodingPass\");\n              }\n              if (cod.verticallyStripe) {\n                unsupported.push(\"verticallyStripe\");\n              }\n              if (cod.predictableTermination) {\n                unsupported.push(\"predictableTermination\");\n              }\n              if (unsupported.length > 0) {\n                doNotRecover = true;\n                throw new Error(\n                  \"Unsupported COD options (\" + unsupported.join(\", \") + \")\"\n                );\n              }\n              if (context.mainHeader) {\n                context.COD = cod;\n              } else {\n                context.currentTile.COD = cod;\n                context.currentTile.COC = [];\n              }\n              break;\n            case 0xff90: // Start of tile-part (SOT)\n              length = readUint16(data, position);\n              tile = {};\n              tile.index = readUint16(data, position + 2);\n              tile.length = readUint32(data, position + 4);\n              tile.dataEnd = tile.length + position - 2;\n              tile.partIndex = data[position + 8];\n              tile.partsCount = data[position + 9];\n\n              context.mainHeader = false;\n              if (tile.partIndex === 0) {\n                // reset component specific settings\n                tile.COD = context.COD;\n                tile.COC = context.COC.slice(0); // clone of the global COC\n                tile.QCD = context.QCD;\n                tile.QCC = context.QCC.slice(0); // clone of the global COC\n              }\n              context.currentTile = tile;\n              break;\n            case 0xff93: // Start of data (SOD)\n              tile = context.currentTile;\n              if (tile.partIndex === 0) {\n                initializeTile(context, tile.index);\n                buildPackets(context);\n              }\n\n              // moving to the end of the data\n              length = tile.dataEnd - position;\n              parseTilePackets(context, data, position, length);\n              break;\n            case 0xff55: // Tile-part lengths, main header (TLM)\n            case 0xff57: // Packet length, main header (PLM)\n            case 0xff58: // Packet length, tile-part header (PLT)\n            case 0xff64: // Comment (COM)\n              length = readUint16(data, position);\n              // skipping content\n              break;\n            case 0xff53: // Coding style component (COC)\n              throw new Error(\n                \"Codestream code 0xFF53 (COC) is not implemented\"\n              );\n            default:\n              throw new Error(\"Unknown codestream code: \" + code.toString(16));\n          }\n          position += length;\n        }\n      } catch (e) {\n        if (doNotRecover || this.failOnCorruptedImage) {\n          throw new JpxError(e.message);\n        } else {\n          warn(\"JPX: Trying to recover from: \" + e.message);\n        }\n      }\n      this.tiles = transformComponents(context);\n      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;\n      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;\n      this.componentsCount = context.SIZ.Csiz;\n    },\n  };\n  function calculateComponentDimensions(component, siz) {\n    // Section B.2 Component mapping\n    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);\n    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);\n    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);\n    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);\n    component.width = component.x1 - component.x0;\n    component.height = component.y1 - component.y0;\n  }\n  function calculateTileGrids(context, components) {\n    var siz = context.SIZ;\n    // Section B.3 Division into tile and tile-components\n    var tile,\n      tiles = [];\n    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);\n    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);\n    for (var q = 0; q < numYtiles; q++) {\n      for (var p = 0; p < numXtiles; p++) {\n        tile = {};\n        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);\n        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);\n        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);\n        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);\n        tile.width = tile.tx1 - tile.tx0;\n        tile.height = tile.ty1 - tile.ty0;\n        tile.components = [];\n        tiles.push(tile);\n      }\n    }\n    context.tiles = tiles;\n\n    var componentsCount = siz.Csiz;\n    for (var i = 0, ii = componentsCount; i < ii; i++) {\n      var component = components[i];\n      for (var j = 0, jj = tiles.length; j < jj; j++) {\n        var tileComponent = {};\n        tile = tiles[j];\n        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);\n        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);\n        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);\n        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);\n        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;\n        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;\n        tile.components[i] = tileComponent;\n      }\n    }\n  }\n  function getBlocksDimensions(context, component, r) {\n    var codOrCoc = component.codingStyleParameters;\n    var result = {};\n    if (!codOrCoc.entropyCoderWithCustomPrecincts) {\n      result.PPx = 15;\n      result.PPy = 15;\n    } else {\n      result.PPx = codOrCoc.precinctsSizes[r].PPx;\n      result.PPy = codOrCoc.precinctsSizes[r].PPy;\n    }\n    // calculate codeblock size as described in section B.7\n    result.xcb_ =\n      r > 0\n        ? Math.min(codOrCoc.xcb, result.PPx - 1)\n        : Math.min(codOrCoc.xcb, result.PPx);\n    result.ycb_ =\n      r > 0\n        ? Math.min(codOrCoc.ycb, result.PPy - 1)\n        : Math.min(codOrCoc.ycb, result.PPy);\n    return result;\n  }\n  function buildPrecincts(context, resolution, dimensions) {\n    // Section B.6 Division resolution to precincts\n    var precinctWidth = 1 << dimensions.PPx;\n    var precinctHeight = 1 << dimensions.PPy;\n    // Jasper introduces codeblock groups for mapping each subband codeblocks\n    // to precincts. Precinct partition divides a resolution according to width\n    // and height parameters. The subband that belongs to the resolution level\n    // has a different size than the level, unless it is the zero resolution.\n\n    // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding:\n    // The precinct partitioning for a particular subband is derived from a\n    // partitioning of its parent LL band (i.e., the LL band at the next higher\n    // resolution level)... The LL band associated with each resolution level is\n    // divided into precincts... Each of the resulting precinct regions is then\n    // mapped into its child subbands (if any) at the next lower resolution\n    // level. This is accomplished by using the coordinate transformation\n    // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the\n    // coordinates of a point in the LL band and child subband, respectively.\n    var isZeroRes = resolution.resLevel === 0;\n    var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1));\n    var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1));\n    var numprecinctswide =\n      resolution.trx1 > resolution.trx0\n        ? Math.ceil(resolution.trx1 / precinctWidth) -\n          Math.floor(resolution.trx0 / precinctWidth)\n        : 0;\n    var numprecinctshigh =\n      resolution.try1 > resolution.try0\n        ? Math.ceil(resolution.try1 / precinctHeight) -\n          Math.floor(resolution.try0 / precinctHeight)\n        : 0;\n    var numprecincts = numprecinctswide * numprecinctshigh;\n\n    resolution.precinctParameters = {\n      precinctWidth,\n      precinctHeight,\n      numprecinctswide,\n      numprecinctshigh,\n      numprecincts,\n      precinctWidthInSubband,\n      precinctHeightInSubband,\n    };\n  }\n  function buildCodeblocks(context, subband, dimensions) {\n    // Section B.7 Division sub-band into code-blocks\n    var xcb_ = dimensions.xcb_;\n    var ycb_ = dimensions.ycb_;\n    var codeblockWidth = 1 << xcb_;\n    var codeblockHeight = 1 << ycb_;\n    var cbx0 = subband.tbx0 >> xcb_;\n    var cby0 = subband.tby0 >> ycb_;\n    var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_;\n    var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_;\n    var precinctParameters = subband.resolution.precinctParameters;\n    var codeblocks = [];\n    var precincts = [];\n    var i, j, codeblock, precinctNumber;\n    for (j = cby0; j < cby1; j++) {\n      for (i = cbx0; i < cbx1; i++) {\n        codeblock = {\n          cbx: i,\n          cby: j,\n          tbx0: codeblockWidth * i,\n          tby0: codeblockHeight * j,\n          tbx1: codeblockWidth * (i + 1),\n          tby1: codeblockHeight * (j + 1),\n        };\n\n        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);\n        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);\n        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);\n        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);\n\n        // Calculate precinct number for this codeblock, codeblock position\n        // should be relative to its subband, use actual dimension and position\n        // See comment about codeblock group width and height\n        var pi = Math.floor(\n          (codeblock.tbx0_ - subband.tbx0) /\n            precinctParameters.precinctWidthInSubband\n        );\n        var pj = Math.floor(\n          (codeblock.tby0_ - subband.tby0) /\n            precinctParameters.precinctHeightInSubband\n        );\n        precinctNumber = pi + pj * precinctParameters.numprecinctswide;\n\n        codeblock.precinctNumber = precinctNumber;\n        codeblock.subbandType = subband.type;\n        codeblock.Lblock = 3;\n\n        if (\n          codeblock.tbx1_ <= codeblock.tbx0_ ||\n          codeblock.tby1_ <= codeblock.tby0_\n        ) {\n          continue;\n        }\n        codeblocks.push(codeblock);\n        // building precinct for the sub-band\n        var precinct = precincts[precinctNumber];\n        if (precinct !== undefined) {\n          if (i < precinct.cbxMin) {\n            precinct.cbxMin = i;\n          } else if (i > precinct.cbxMax) {\n            precinct.cbxMax = i;\n          }\n          if (j < precinct.cbyMin) {\n            precinct.cbxMin = j;\n          } else if (j > precinct.cbyMax) {\n            precinct.cbyMax = j;\n          }\n        } else {\n          precincts[precinctNumber] = precinct = {\n            cbxMin: i,\n            cbyMin: j,\n            cbxMax: i,\n            cbyMax: j,\n          };\n        }\n        codeblock.precinct = precinct;\n      }\n    }\n    subband.codeblockParameters = {\n      codeblockWidth: xcb_,\n      codeblockHeight: ycb_,\n      numcodeblockwide: cbx1 - cbx0 + 1,\n      numcodeblockhigh: cby1 - cby0 + 1,\n    };\n    subband.codeblocks = codeblocks;\n    subband.precincts = precincts;\n  }\n  function createPacket(resolution, precinctNumber, layerNumber) {\n    var precinctCodeblocks = [];\n    // Section B.10.8 Order of info in packet\n    var subbands = resolution.subbands;\n    // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence\n    for (var i = 0, ii = subbands.length; i < ii; i++) {\n      var subband = subbands[i];\n      var codeblocks = subband.codeblocks;\n      for (var j = 0, jj = codeblocks.length; j < jj; j++) {\n        var codeblock = codeblocks[j];\n        if (codeblock.precinctNumber !== precinctNumber) {\n          continue;\n        }\n        precinctCodeblocks.push(codeblock);\n      }\n    }\n    return {\n      layerNumber,\n      codeblocks: precinctCodeblocks,\n    };\n  }\n  function LayerResolutionComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var l = 0,\n      r = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.1 Layer-resolution-component-position\n      for (; l < layersCount; l++) {\n        for (; r <= maxDecompositionLevelsCount; r++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        r = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionLayerComponentPositionIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var maxDecompositionLevelsCount = 0;\n    for (var q = 0; q < componentsCount; q++) {\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        tile.components[q].codingStyleParameters.decompositionLevelsCount\n      );\n    }\n\n    var r = 0,\n      l = 0,\n      i = 0,\n      k = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.2 Resolution-layer-component-position\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; l < layersCount; l++) {\n          for (; i < componentsCount; i++) {\n            var component = tile.components[i];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            for (; k < numprecincts; ) {\n              var packet = createPacket(resolution, k, l);\n              k++;\n              return packet;\n            }\n            k = 0;\n          }\n          i = 0;\n        }\n        l = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ResolutionPositionComponentLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var l, r, c, p;\n    var maxDecompositionLevelsCount = 0;\n    for (c = 0; c < componentsCount; c++) {\n      const component = tile.components[c];\n      maxDecompositionLevelsCount = Math.max(\n        maxDecompositionLevelsCount,\n        component.codingStyleParameters.decompositionLevelsCount\n      );\n    }\n    var maxNumPrecinctsInLevel = new Int32Array(\n      maxDecompositionLevelsCount + 1\n    );\n    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {\n      var maxNumPrecincts = 0;\n      for (c = 0; c < componentsCount; ++c) {\n        var resolutions = tile.components[c].resolutions;\n        if (r < resolutions.length) {\n          maxNumPrecincts = Math.max(\n            maxNumPrecincts,\n            resolutions[r].precinctParameters.numprecincts\n          );\n        }\n      }\n      maxNumPrecinctsInLevel[r] = maxNumPrecincts;\n    }\n    l = 0;\n    r = 0;\n    c = 0;\n    p = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.3 Resolution-position-component-layer\n      for (; r <= maxDecompositionLevelsCount; r++) {\n        for (; p < maxNumPrecinctsInLevel[r]; p++) {\n          for (; c < componentsCount; c++) {\n            const component = tile.components[c];\n            if (r > component.codingStyleParameters.decompositionLevelsCount) {\n              continue;\n            }\n            var resolution = component.resolutions[r];\n            var numprecincts = resolution.precinctParameters.numprecincts;\n            if (p >= numprecincts) {\n              continue;\n            }\n            for (; l < layersCount; ) {\n              var packet = createPacket(resolution, p, l);\n              l++;\n              return packet;\n            }\n            l = 0;\n          }\n          c = 0;\n        }\n        p = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function PositionComponentResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var precinctsIterationSizes = precinctsSizes;\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.4 Position-component-resolution-layer\n      for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n        for (; px < precinctsIterationSizes.maxNumWide; px++) {\n          for (; c < componentsCount; c++) {\n            var component = tile.components[c];\n            var decompositionLevelsCount =\n              component.codingStyleParameters.decompositionLevelsCount;\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale =\n                precinctsSizes.components[c].resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          c = 0;\n        }\n        px = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function ComponentPositionResolutionLayerIterator(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var layersCount = tile.codingStyleDefaultParameters.layersCount;\n    var componentsCount = siz.Csiz;\n    var precinctsSizes = getPrecinctSizesInImageScale(tile);\n    var l = 0,\n      r = 0,\n      c = 0,\n      px = 0,\n      py = 0;\n\n    this.nextPacket = function JpxImage_nextPacket() {\n      // Section B.12.1.5 Component-position-resolution-layer\n      for (; c < componentsCount; ++c) {\n        var component = tile.components[c];\n        var precinctsIterationSizes = precinctsSizes.components[c];\n        var decompositionLevelsCount =\n          component.codingStyleParameters.decompositionLevelsCount;\n        for (; py < precinctsIterationSizes.maxNumHigh; py++) {\n          for (; px < precinctsIterationSizes.maxNumWide; px++) {\n            for (; r <= decompositionLevelsCount; r++) {\n              var resolution = component.resolutions[r];\n              var sizeInImageScale = precinctsIterationSizes.resolutions[r];\n              var k = getPrecinctIndexIfExist(\n                px,\n                py,\n                sizeInImageScale,\n                precinctsIterationSizes,\n                resolution\n              );\n              if (k === null) {\n                continue;\n              }\n              for (; l < layersCount; ) {\n                var packet = createPacket(resolution, k, l);\n                l++;\n                return packet;\n              }\n              l = 0;\n            }\n            r = 0;\n          }\n          px = 0;\n        }\n        py = 0;\n      }\n      throw new JpxError(\"Out of packets\");\n    };\n  }\n  function getPrecinctIndexIfExist(\n    pxIndex,\n    pyIndex,\n    sizeInImageScale,\n    precinctIterationSizes,\n    resolution\n  ) {\n    var posX = pxIndex * precinctIterationSizes.minWidth;\n    var posY = pyIndex * precinctIterationSizes.minHeight;\n    if (\n      posX % sizeInImageScale.width !== 0 ||\n      posY % sizeInImageScale.height !== 0\n    ) {\n      return null;\n    }\n    var startPrecinctRowIndex =\n      (posY / sizeInImageScale.width) *\n      resolution.precinctParameters.numprecinctswide;\n    return posX / sizeInImageScale.height + startPrecinctRowIndex;\n  }\n  function getPrecinctSizesInImageScale(tile) {\n    var componentsCount = tile.components.length;\n    var minWidth = Number.MAX_VALUE;\n    var minHeight = Number.MAX_VALUE;\n    var maxNumWide = 0;\n    var maxNumHigh = 0;\n    var sizePerComponent = new Array(componentsCount);\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      var sizePerResolution = new Array(decompositionLevelsCount + 1);\n      var minWidthCurrentComponent = Number.MAX_VALUE;\n      var minHeightCurrentComponent = Number.MAX_VALUE;\n      var maxNumWideCurrentComponent = 0;\n      var maxNumHighCurrentComponent = 0;\n      var scale = 1;\n      for (var r = decompositionLevelsCount; r >= 0; --r) {\n        var resolution = component.resolutions[r];\n        var widthCurrentResolution =\n          scale * resolution.precinctParameters.precinctWidth;\n        var heightCurrentResolution =\n          scale * resolution.precinctParameters.precinctHeight;\n        minWidthCurrentComponent = Math.min(\n          minWidthCurrentComponent,\n          widthCurrentResolution\n        );\n        minHeightCurrentComponent = Math.min(\n          minHeightCurrentComponent,\n          heightCurrentResolution\n        );\n        maxNumWideCurrentComponent = Math.max(\n          maxNumWideCurrentComponent,\n          resolution.precinctParameters.numprecinctswide\n        );\n        maxNumHighCurrentComponent = Math.max(\n          maxNumHighCurrentComponent,\n          resolution.precinctParameters.numprecinctshigh\n        );\n        sizePerResolution[r] = {\n          width: widthCurrentResolution,\n          height: heightCurrentResolution,\n        };\n        scale <<= 1;\n      }\n      minWidth = Math.min(minWidth, minWidthCurrentComponent);\n      minHeight = Math.min(minHeight, minHeightCurrentComponent);\n      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);\n      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);\n      sizePerComponent[c] = {\n        resolutions: sizePerResolution,\n        minWidth: minWidthCurrentComponent,\n        minHeight: minHeightCurrentComponent,\n        maxNumWide: maxNumWideCurrentComponent,\n        maxNumHigh: maxNumHighCurrentComponent,\n      };\n    }\n    return {\n      components: sizePerComponent,\n      minWidth,\n      minHeight,\n      maxNumWide,\n      maxNumHigh,\n    };\n  }\n  function buildPackets(context) {\n    var siz = context.SIZ;\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var componentsCount = siz.Csiz;\n    // Creating resolutions and sub-bands for each component\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var decompositionLevelsCount =\n        component.codingStyleParameters.decompositionLevelsCount;\n      // Section B.5 Resolution levels and sub-bands\n      var resolutions = [];\n      var subbands = [];\n      for (var r = 0; r <= decompositionLevelsCount; r++) {\n        var blocksDimensions = getBlocksDimensions(context, component, r);\n        var resolution = {};\n        var scale = 1 << (decompositionLevelsCount - r);\n        resolution.trx0 = Math.ceil(component.tcx0 / scale);\n        resolution.try0 = Math.ceil(component.tcy0 / scale);\n        resolution.trx1 = Math.ceil(component.tcx1 / scale);\n        resolution.try1 = Math.ceil(component.tcy1 / scale);\n        resolution.resLevel = r;\n        buildPrecincts(context, resolution, blocksDimensions);\n        resolutions.push(resolution);\n\n        var subband;\n        if (r === 0) {\n          // one sub-band (LL) with last decomposition\n          subband = {};\n          subband.type = \"LL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / scale);\n          subband.tby0 = Math.ceil(component.tcy0 / scale);\n          subband.tbx1 = Math.ceil(component.tcx1 / scale);\n          subband.tby1 = Math.ceil(component.tcy1 / scale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolution.subbands = [subband];\n        } else {\n          var bscale = 1 << (decompositionLevelsCount - r + 1);\n          var resolutionSubbands = [];\n          // three sub-bands (HL, LH and HH) with rest of decompositions\n          subband = {};\n          subband.type = \"HL\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"LH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          subband = {};\n          subband.type = \"HH\";\n          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);\n          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);\n          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);\n          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);\n          subband.resolution = resolution;\n          buildCodeblocks(context, subband, blocksDimensions);\n          subbands.push(subband);\n          resolutionSubbands.push(subband);\n\n          resolution.subbands = resolutionSubbands;\n        }\n      }\n      component.resolutions = resolutions;\n      component.subbands = subbands;\n    }\n    // Generate the packets sequence\n    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;\n    switch (progressionOrder) {\n      case 0:\n        tile.packetsIterator = new LayerResolutionComponentPositionIterator(\n          context\n        );\n        break;\n      case 1:\n        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(\n          context\n        );\n        break;\n      case 2:\n        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(\n          context\n        );\n        break;\n      case 3:\n        tile.packetsIterator = new PositionComponentResolutionLayerIterator(\n          context\n        );\n        break;\n      case 4:\n        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(\n          context\n        );\n        break;\n      default:\n        throw new JpxError(`Unsupported progression order ${progressionOrder}`);\n    }\n  }\n  function parseTilePackets(context, data, offset, dataLength) {\n    var position = 0;\n    var buffer,\n      bufferSize = 0,\n      skipNextBit = false;\n    function readBits(count) {\n      while (bufferSize < count) {\n        var b = data[offset + position];\n        position++;\n        if (skipNextBit) {\n          buffer = (buffer << 7) | b;\n          bufferSize += 7;\n          skipNextBit = false;\n        } else {\n          buffer = (buffer << 8) | b;\n          bufferSize += 8;\n        }\n        if (b === 0xff) {\n          skipNextBit = true;\n        }\n      }\n      bufferSize -= count;\n      return (buffer >>> bufferSize) & ((1 << count) - 1);\n    }\n    function skipMarkerIfEqual(value) {\n      if (\n        data[offset + position - 1] === 0xff &&\n        data[offset + position] === value\n      ) {\n        skipBytes(1);\n        return true;\n      } else if (\n        data[offset + position] === 0xff &&\n        data[offset + position + 1] === value\n      ) {\n        skipBytes(2);\n        return true;\n      }\n      return false;\n    }\n    function skipBytes(count) {\n      position += count;\n    }\n    function alignToByte() {\n      bufferSize = 0;\n      if (skipNextBit) {\n        position++;\n        skipNextBit = false;\n      }\n    }\n    function readCodingpasses() {\n      if (readBits(1) === 0) {\n        return 1;\n      }\n      if (readBits(1) === 0) {\n        return 2;\n      }\n      var value = readBits(2);\n      if (value < 3) {\n        return value + 3;\n      }\n      value = readBits(5);\n      if (value < 31) {\n        return value + 6;\n      }\n      value = readBits(7);\n      return value + 37;\n    }\n    var tileIndex = context.currentTile.index;\n    var tile = context.tiles[tileIndex];\n    var sopMarkerUsed = context.COD.sopMarkerUsed;\n    var ephMarkerUsed = context.COD.ephMarkerUsed;\n    var packetsIterator = tile.packetsIterator;\n    while (position < dataLength) {\n      alignToByte();\n      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {\n        // Skip also marker segment length and packet sequence ID\n        skipBytes(4);\n      }\n      var packet = packetsIterator.nextPacket();\n      if (!readBits(1)) {\n        continue;\n      }\n      var layerNumber = packet.layerNumber;\n      var queue = [],\n        codeblock;\n      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {\n        codeblock = packet.codeblocks[i];\n        var precinct = codeblock.precinct;\n        var codeblockColumn = codeblock.cbx - precinct.cbxMin;\n        var codeblockRow = codeblock.cby - precinct.cbyMin;\n        var codeblockIncluded = false;\n        var firstTimeInclusion = false;\n        var valueReady;\n        if (codeblock.included !== undefined) {\n          codeblockIncluded = !!readBits(1);\n        } else {\n          // reading inclusion tree\n          precinct = codeblock.precinct;\n          var inclusionTree, zeroBitPlanesTree;\n          if (precinct.inclusionTree !== undefined) {\n            inclusionTree = precinct.inclusionTree;\n          } else {\n            // building inclusion and zero bit-planes trees\n            var width = precinct.cbxMax - precinct.cbxMin + 1;\n            var height = precinct.cbyMax - precinct.cbyMin + 1;\n            inclusionTree = new InclusionTree(width, height, layerNumber);\n            zeroBitPlanesTree = new TagTree(width, height);\n            precinct.inclusionTree = inclusionTree;\n            precinct.zeroBitPlanesTree = zeroBitPlanesTree;\n          }\n\n          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {\n            while (true) {\n              if (readBits(1)) {\n                valueReady = !inclusionTree.nextLevel();\n                if (valueReady) {\n                  codeblock.included = true;\n                  codeblockIncluded = firstTimeInclusion = true;\n                  break;\n                }\n              } else {\n                inclusionTree.incrementValue(layerNumber);\n                break;\n              }\n            }\n          }\n        }\n        if (!codeblockIncluded) {\n          continue;\n        }\n        if (firstTimeInclusion) {\n          zeroBitPlanesTree = precinct.zeroBitPlanesTree;\n          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);\n          while (true) {\n            if (readBits(1)) {\n              valueReady = !zeroBitPlanesTree.nextLevel();\n              if (valueReady) {\n                break;\n              }\n            } else {\n              zeroBitPlanesTree.incrementValue();\n            }\n          }\n          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;\n        }\n        var codingpasses = readCodingpasses();\n        while (readBits(1)) {\n          codeblock.Lblock++;\n        }\n        var codingpassesLog2 = log2(codingpasses);\n        // rounding down log2\n        var bits =\n          (codingpasses < 1 << codingpassesLog2\n            ? codingpassesLog2 - 1\n            : codingpassesLog2) + codeblock.Lblock;\n        var codedDataLength = readBits(bits);\n        queue.push({\n          codeblock,\n          codingpasses,\n          dataLength: codedDataLength,\n        });\n      }\n      alignToByte();\n      if (ephMarkerUsed) {\n        skipMarkerIfEqual(0x92);\n      }\n      while (queue.length > 0) {\n        var packetItem = queue.shift();\n        codeblock = packetItem.codeblock;\n        if (codeblock.data === undefined) {\n          codeblock.data = [];\n        }\n        codeblock.data.push({\n          data,\n          start: offset + position,\n          end: offset + position + packetItem.dataLength,\n          codingpasses: packetItem.codingpasses,\n        });\n        position += packetItem.dataLength;\n      }\n    }\n    return position;\n  }\n  function copyCoefficients(\n    coefficients,\n    levelWidth,\n    levelHeight,\n    subband,\n    delta,\n    mb,\n    reversible,\n    segmentationSymbolUsed\n  ) {\n    var x0 = subband.tbx0;\n    var y0 = subband.tby0;\n    var width = subband.tbx1 - subband.tbx0;\n    var codeblocks = subband.codeblocks;\n    var right = subband.type.charAt(0) === \"H\" ? 1 : 0;\n    var bottom = subband.type.charAt(1) === \"H\" ? levelWidth : 0;\n\n    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {\n      var codeblock = codeblocks[i];\n      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;\n      var blockHeight = codeblock.tby1_ - codeblock.tby0_;\n      if (blockWidth === 0 || blockHeight === 0) {\n        continue;\n      }\n      if (codeblock.data === undefined) {\n        continue;\n      }\n\n      var bitModel, currentCodingpassType;\n      bitModel = new BitModel(\n        blockWidth,\n        blockHeight,\n        codeblock.subbandType,\n        codeblock.zeroBitPlanes,\n        mb\n      );\n      currentCodingpassType = 2; // first bit plane starts from cleanup\n\n      // collect data\n      var data = codeblock.data,\n        totalLength = 0,\n        codingpasses = 0;\n      var j, jj, dataItem;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        totalLength += dataItem.end - dataItem.start;\n        codingpasses += dataItem.codingpasses;\n      }\n      var encodedData = new Uint8Array(totalLength);\n      var position = 0;\n      for (j = 0, jj = data.length; j < jj; j++) {\n        dataItem = data[j];\n        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);\n        encodedData.set(chunk, position);\n        position += chunk.length;\n      }\n      // decoding the item\n      var decoder = new ArithmeticDecoder(encodedData, 0, totalLength);\n      bitModel.setDecoder(decoder);\n\n      for (j = 0; j < codingpasses; j++) {\n        switch (currentCodingpassType) {\n          case 0:\n            bitModel.runSignificancePropagationPass();\n            break;\n          case 1:\n            bitModel.runMagnitudeRefinementPass();\n            break;\n          case 2:\n            bitModel.runCleanupPass();\n            if (segmentationSymbolUsed) {\n              bitModel.checkSegmentationSymbol();\n            }\n            break;\n        }\n        currentCodingpassType = (currentCodingpassType + 1) % 3;\n      }\n\n      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;\n      var sign = bitModel.coefficentsSign;\n      var magnitude = bitModel.coefficentsMagnitude;\n      var bitsDecoded = bitModel.bitsDecoded;\n      var magnitudeCorrection = reversible ? 0 : 0.5;\n      var k, n, nb;\n      position = 0;\n      // Do the interleaving of Section F.3.3 here, so we do not need\n      // to copy later. LL level is not interleaved, just copied.\n      var interleave = subband.type !== \"LL\";\n      for (j = 0; j < blockHeight; j++) {\n        var row = (offset / width) | 0; // row in the non-interleaved subband\n        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;\n        for (k = 0; k < blockWidth; k++) {\n          n = magnitude[position];\n          if (n !== 0) {\n            n = (n + magnitudeCorrection) * delta;\n            if (sign[position] !== 0) {\n              n = -n;\n            }\n            nb = bitsDecoded[position];\n            var pos = interleave ? levelOffset + (offset << 1) : offset;\n            if (reversible && nb >= mb) {\n              coefficients[pos] = n;\n            } else {\n              coefficients[pos] = n * (1 << (mb - nb));\n            }\n          }\n          offset++;\n          position++;\n        }\n        offset += width - blockWidth;\n      }\n    }\n  }\n  function transformTile(context, tile, c) {\n    var component = tile.components[c];\n    var codingStyleParameters = component.codingStyleParameters;\n    var quantizationParameters = component.quantizationParameters;\n    var decompositionLevelsCount =\n      codingStyleParameters.decompositionLevelsCount;\n    var spqcds = quantizationParameters.SPqcds;\n    var scalarExpounded = quantizationParameters.scalarExpounded;\n    var guardBits = quantizationParameters.guardBits;\n    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;\n    var precision = context.components[c].precision;\n\n    var reversible = codingStyleParameters.reversibleTransformation;\n    var transform = reversible\n      ? new ReversibleTransform()\n      : new IrreversibleTransform();\n\n    var subbandCoefficients = [];\n    var b = 0;\n    for (var i = 0; i <= decompositionLevelsCount; i++) {\n      var resolution = component.resolutions[i];\n\n      var width = resolution.trx1 - resolution.trx0;\n      var height = resolution.try1 - resolution.try0;\n      // Allocate space for the whole sublevel.\n      var coefficients = new Float32Array(width * height);\n\n      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {\n        var mu, epsilon;\n        if (!scalarExpounded) {\n          // formula E-5\n          mu = spqcds[0].mu;\n          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);\n        } else {\n          mu = spqcds[b].mu;\n          epsilon = spqcds[b].epsilon;\n          b++;\n        }\n\n        var subband = resolution.subbands[j];\n        var gainLog2 = SubbandsGainLog2[subband.type];\n\n        // calculate quantization coefficient (Section E.1.1.1)\n        var delta = reversible\n          ? 1\n          : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);\n        var mb = guardBits + epsilon - 1;\n\n        // In the first resolution level, copyCoefficients will fill the\n        // whole array with coefficients. In the succeeding passes,\n        // copyCoefficients will consecutively fill in the values that belong\n        // to the interleaved positions of the HL, LH, and HH coefficients.\n        // The LL coefficients will then be interleaved in Transform.iterate().\n        copyCoefficients(\n          coefficients,\n          width,\n          height,\n          subband,\n          delta,\n          mb,\n          reversible,\n          segmentationSymbolUsed\n        );\n      }\n      subbandCoefficients.push({\n        width,\n        height,\n        items: coefficients,\n      });\n    }\n\n    var result = transform.calculate(\n      subbandCoefficients,\n      component.tcx0,\n      component.tcy0\n    );\n    return {\n      left: component.tcx0,\n      top: component.tcy0,\n      width: result.width,\n      height: result.height,\n      items: result.items,\n    };\n  }\n  function transformComponents(context) {\n    var siz = context.SIZ;\n    var components = context.components;\n    var componentsCount = siz.Csiz;\n    var resultImages = [];\n    for (var i = 0, ii = context.tiles.length; i < ii; i++) {\n      var tile = context.tiles[i];\n      var transformedTiles = [];\n      var c;\n      for (c = 0; c < componentsCount; c++) {\n        transformedTiles[c] = transformTile(context, tile, c);\n      }\n      var tile0 = transformedTiles[0];\n      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);\n      var result = {\n        left: tile0.left,\n        top: tile0.top,\n        width: tile0.width,\n        height: tile0.height,\n        items: out,\n      };\n\n      // Section G.2.2 Inverse multi component transform\n      var shift, offset;\n      var pos = 0,\n        j,\n        jj,\n        y0,\n        y1,\n        y2;\n      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {\n        var fourComponents = componentsCount === 4;\n        var y0items = transformedTiles[0].items;\n        var y1items = transformedTiles[1].items;\n        var y2items = transformedTiles[2].items;\n        var y3items = fourComponents ? transformedTiles[3].items : null;\n\n        // HACK: The multiple component transform formulas below assume that\n        // all components have the same precision. With this in mind, we\n        // compute shift and offset only once.\n        shift = components[0].precision - 8;\n        offset = (128 << shift) + 0.5;\n\n        var component0 = tile.components[0];\n        var alpha01 = componentsCount - 3;\n        jj = y0items.length;\n        if (!component0.codingStyleParameters.reversibleTransformation) {\n          // inverse irreversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            out[pos++] = (y0 + 1.402 * y2) >> shift;\n            out[pos++] = (y0 - 0.34413 * y1 - 0.71414 * y2) >> shift;\n            out[pos++] = (y0 + 1.772 * y1) >> shift;\n          }\n        } else {\n          // inverse reversible multiple component transform\n          for (j = 0; j < jj; j++, pos += alpha01) {\n            y0 = y0items[j] + offset;\n            y1 = y1items[j];\n            y2 = y2items[j];\n            const g = y0 - ((y2 + y1) >> 2);\n\n            out[pos++] = (g + y2) >> shift;\n            out[pos++] = g >> shift;\n            out[pos++] = (g + y1) >> shift;\n          }\n        }\n        if (fourComponents) {\n          for (j = 0, pos = 3; j < jj; j++, pos += 4) {\n            out[pos] = (y3items[j] + offset) >> shift;\n          }\n        }\n      } else {\n        // no multi-component transform\n        for (c = 0; c < componentsCount; c++) {\n          var items = transformedTiles[c].items;\n          shift = components[c].precision - 8;\n          offset = (128 << shift) + 0.5;\n          for (pos = c, j = 0, jj = items.length; j < jj; j++) {\n            out[pos] = (items[j] + offset) >> shift;\n            pos += componentsCount;\n          }\n        }\n      }\n      resultImages.push(result);\n    }\n    return resultImages;\n  }\n  function initializeTile(context, tileIndex) {\n    var siz = context.SIZ;\n    var componentsCount = siz.Csiz;\n    var tile = context.tiles[tileIndex];\n    for (var c = 0; c < componentsCount; c++) {\n      var component = tile.components[c];\n      var qcdOrQcc =\n        context.currentTile.QCC[c] !== undefined\n          ? context.currentTile.QCC[c]\n          : context.currentTile.QCD;\n      component.quantizationParameters = qcdOrQcc;\n      var codOrCoc =\n        context.currentTile.COC[c] !== undefined\n          ? context.currentTile.COC[c]\n          : context.currentTile.COD;\n      component.codingStyleParameters = codOrCoc;\n    }\n    tile.codingStyleDefaultParameters = context.currentTile.COD;\n  }\n\n  // Section B.10.2 Tag trees\n  var TagTree = (function TagTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function TagTree(width, height) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var level = {\n          width,\n          height,\n          items: [],\n        };\n        this.levels.push(level);\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    TagTree.prototype = {\n      reset: function TagTree_reset(i, j) {\n        var currentLevel = 0,\n          value = 0,\n          level;\n        while (currentLevel < this.levels.length) {\n          level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          if (level.items[index] !== undefined) {\n            value = level.items[index];\n            break;\n          }\n          level.index = index;\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        currentLevel--;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        this.currentLevel = currentLevel;\n        delete this.value;\n      },\n      incrementValue: function TagTree_incrementValue() {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index]++;\n      },\n      nextLevel: function TagTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        currentLevel--;\n        if (currentLevel < 0) {\n          this.value = value;\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return TagTree;\n  })();\n\n  var InclusionTree = (function InclusionTreeClosure() {\n    // eslint-disable-next-line no-shadow\n    function InclusionTree(width, height, defaultValue) {\n      var levelsLength = log2(Math.max(width, height)) + 1;\n      this.levels = [];\n      for (var i = 0; i < levelsLength; i++) {\n        var items = new Uint8Array(width * height);\n        for (var j = 0, jj = items.length; j < jj; j++) {\n          items[j] = defaultValue;\n        }\n\n        var level = {\n          width,\n          height,\n          items,\n        };\n        this.levels.push(level);\n\n        width = Math.ceil(width / 2);\n        height = Math.ceil(height / 2);\n      }\n    }\n    InclusionTree.prototype = {\n      reset: function InclusionTree_reset(i, j, stopValue) {\n        var currentLevel = 0;\n        while (currentLevel < this.levels.length) {\n          var level = this.levels[currentLevel];\n          var index = i + j * level.width;\n          level.index = index;\n          var value = level.items[index];\n\n          if (value === 0xff) {\n            break;\n          }\n\n          if (value > stopValue) {\n            this.currentLevel = currentLevel;\n            // already know about this one, propagating the value to top levels\n            this.propagateValues();\n            return false;\n          }\n\n          i >>= 1;\n          j >>= 1;\n          currentLevel++;\n        }\n        this.currentLevel = currentLevel - 1;\n        return true;\n      },\n      incrementValue: function InclusionTree_incrementValue(stopValue) {\n        var level = this.levels[this.currentLevel];\n        level.items[level.index] = stopValue + 1;\n        this.propagateValues();\n      },\n      propagateValues: function InclusionTree_propagateValues() {\n        var levelIndex = this.currentLevel;\n        var level = this.levels[levelIndex];\n        var currentValue = level.items[level.index];\n        while (--levelIndex >= 0) {\n          level = this.levels[levelIndex];\n          level.items[level.index] = currentValue;\n        }\n      },\n      nextLevel: function InclusionTree_nextLevel() {\n        var currentLevel = this.currentLevel;\n        var level = this.levels[currentLevel];\n        var value = level.items[level.index];\n        level.items[level.index] = 0xff;\n        currentLevel--;\n        if (currentLevel < 0) {\n          return false;\n        }\n\n        this.currentLevel = currentLevel;\n        level = this.levels[currentLevel];\n        level.items[level.index] = value;\n        return true;\n      },\n    };\n    return InclusionTree;\n  })();\n\n  // Section D. Coefficient bit modeling\n  var BitModel = (function BitModelClosure() {\n    var UNIFORM_CONTEXT = 17;\n    var RUNLENGTH_CONTEXT = 18;\n    // Table D-1\n    // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4),\n    // vv - sum of Vi (0..2), and hh - sum of Hi (0..2)\n    // prettier-ignore\n    var LLAndLHContextsLabel = new Uint8Array([\n      0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4,\n      7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6,\n      8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8\n    ]);\n    // prettier-ignore\n    var HLContextLabel = new Uint8Array([\n      0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8,\n      8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3,\n      4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8\n    ]);\n    // prettier-ignore\n    var HHContextLabel = new Uint8Array([\n      0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5,\n      5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8,\n      8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8\n    ]);\n\n    // eslint-disable-next-line no-shadow\n    function BitModel(width, height, subband, zeroBitPlanes, mb) {\n      this.width = width;\n      this.height = height;\n\n      let contextLabelTable;\n      if (subband === \"HH\") {\n        contextLabelTable = HHContextLabel;\n      } else if (subband === \"HL\") {\n        contextLabelTable = HLContextLabel;\n      } else {\n        contextLabelTable = LLAndLHContextsLabel;\n      }\n      this.contextLabelTable = contextLabelTable;\n\n      var coefficientCount = width * height;\n\n      // coefficients outside the encoding region treated as insignificant\n      // add border state cells for significanceState\n      this.neighborsSignificance = new Uint8Array(coefficientCount);\n      this.coefficentsSign = new Uint8Array(coefficientCount);\n      let coefficentsMagnitude;\n      if (mb > 14) {\n        coefficentsMagnitude = new Uint32Array(coefficientCount);\n      } else if (mb > 6) {\n        coefficentsMagnitude = new Uint16Array(coefficientCount);\n      } else {\n        coefficentsMagnitude = new Uint8Array(coefficientCount);\n      }\n      this.coefficentsMagnitude = coefficentsMagnitude;\n      this.processingFlags = new Uint8Array(coefficientCount);\n\n      var bitsDecoded = new Uint8Array(coefficientCount);\n      if (zeroBitPlanes !== 0) {\n        for (var i = 0; i < coefficientCount; i++) {\n          bitsDecoded[i] = zeroBitPlanes;\n        }\n      }\n      this.bitsDecoded = bitsDecoded;\n\n      this.reset();\n    }\n\n    BitModel.prototype = {\n      setDecoder: function BitModel_setDecoder(decoder) {\n        this.decoder = decoder;\n      },\n      reset: function BitModel_reset() {\n        // We have 17 contexts that are accessed via context labels,\n        // plus the uniform and runlength context.\n        this.contexts = new Int8Array(19);\n\n        // Contexts are packed into 1 byte:\n        // highest 7 bits carry the index, lowest bit carries mps\n        this.contexts[0] = (4 << 1) | 0;\n        this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0;\n        this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0;\n      },\n      setNeighborsSignificance: function BitModel_setNeighborsSignificance(\n        row,\n        column,\n        index\n      ) {\n        var neighborsSignificance = this.neighborsSignificance;\n        var width = this.width,\n          height = this.height;\n        var left = column > 0;\n        var right = column + 1 < width;\n        var i;\n\n        if (row > 0) {\n          i = index - width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (row + 1 < height) {\n          i = index + width;\n          if (left) {\n            neighborsSignificance[i - 1] += 0x10;\n          }\n          if (right) {\n            neighborsSignificance[i + 1] += 0x10;\n          }\n          neighborsSignificance[i] += 0x04;\n        }\n\n        if (left) {\n          neighborsSignificance[index - 1] += 0x01;\n        }\n        if (right) {\n          neighborsSignificance[index + 1] += 0x01;\n        }\n        neighborsSignificance[index] |= 0x80;\n      },\n      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var neighborsSignificance = this.neighborsSignificance;\n        var processingFlags = this.processingFlags;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processedInverseMask = ~1;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n\n        for (var i0 = 0; i0 < height; i0 += 4) {\n          for (var j = 0; j < width; j++) {\n            var index = i0 * width + j;\n            for (var i1 = 0; i1 < 4; i1++, index += width) {\n              var i = i0 + i1;\n              if (i >= height) {\n                break;\n              }\n              // clear processed flag first\n              processingFlags[index] &= processedInverseMask;\n\n              if (\n                coefficentsMagnitude[index] ||\n                !neighborsSignificance[index]\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision) {\n                var sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contribution, sign0, sign1, significance1;\n        var contextLabel, decoded;\n\n        // calculate horizontal contribution\n        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;\n        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {\n          sign1 = coefficentsSign[index + 1];\n          if (significance1) {\n            sign0 = coefficentsSign[index - 1];\n            contribution = 1 - sign1 - sign0;\n          } else {\n            contribution = 1 - sign1 - sign1;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - 1];\n          contribution = 1 - sign0 - sign0;\n        } else {\n          contribution = 0;\n        }\n        var horizontalContribution = 3 * contribution;\n\n        // calculate vertical contribution and combine with the horizontal\n        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;\n        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {\n          sign1 = coefficentsSign[index + width];\n          if (significance1) {\n            sign0 = coefficentsSign[index - width];\n            contribution = 1 - sign1 - sign0 + horizontalContribution;\n          } else {\n            contribution = 1 - sign1 - sign1 + horizontalContribution;\n          }\n        } else if (significance1) {\n          sign0 = coefficentsSign[index - width];\n          contribution = 1 - sign0 - sign0 + horizontalContribution;\n        } else {\n          contribution = horizontalContribution;\n        }\n\n        if (contribution >= 0) {\n          contextLabel = 9 + contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel);\n        } else {\n          contextLabel = 9 - contribution;\n          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;\n        }\n        return decoded;\n      },\n      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var neighborsSignificance = this.neighborsSignificance;\n        var contexts = this.contexts;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var length = width * height;\n        var width4 = width * 4;\n\n        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {\n          indexNext = Math.min(length, index0 + width4);\n          for (var j = 0; j < width; j++) {\n            for (var index = index0 + j; index < indexNext; index += width) {\n              // significant but not those that have just become\n              if (\n                !coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = 16;\n              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {\n                processingFlags[index] ^= firstMagnitudeBitMask;\n                // first refinement\n                var significance = neighborsSignificance[index] & 127;\n                contextLabel = significance === 0 ? 15 : 14;\n              }\n\n              var bit = decoder.readBit(contexts, contextLabel);\n              coefficentsMagnitude[index] =\n                (coefficentsMagnitude[index] << 1) | bit;\n              bitsDecoded[index]++;\n              processingFlags[index] |= processedMask;\n            }\n          }\n        }\n      },\n      runCleanupPass: function BitModel_runCleanupPass() {\n        var decoder = this.decoder;\n        var width = this.width,\n          height = this.height;\n        var neighborsSignificance = this.neighborsSignificance;\n        var coefficentsMagnitude = this.coefficentsMagnitude;\n        var coefficentsSign = this.coefficentsSign;\n        var contexts = this.contexts;\n        var labels = this.contextLabelTable;\n        var bitsDecoded = this.bitsDecoded;\n        var processingFlags = this.processingFlags;\n        var processedMask = 1;\n        var firstMagnitudeBitMask = 2;\n        var oneRowDown = width;\n        var twoRowsDown = width * 2;\n        var threeRowsDown = width * 3;\n        var iNext;\n        for (var i0 = 0; i0 < height; i0 = iNext) {\n          iNext = Math.min(i0 + 4, height);\n          var indexBase = i0 * width;\n          var checkAllEmpty = i0 + 3 < height;\n          for (var j = 0; j < width; j++) {\n            var index0 = indexBase + j;\n            // using the property: labels[neighborsSignificance[index]] === 0\n            // when neighborsSignificance[index] === 0\n            var allEmpty =\n              checkAllEmpty &&\n              processingFlags[index0] === 0 &&\n              processingFlags[index0 + oneRowDown] === 0 &&\n              processingFlags[index0 + twoRowsDown] === 0 &&\n              processingFlags[index0 + threeRowsDown] === 0 &&\n              neighborsSignificance[index0] === 0 &&\n              neighborsSignificance[index0 + oneRowDown] === 0 &&\n              neighborsSignificance[index0 + twoRowsDown] === 0 &&\n              neighborsSignificance[index0 + threeRowsDown] === 0;\n            var i1 = 0,\n              index = index0;\n            var i = i0,\n              sign;\n            if (allEmpty) {\n              var hasSignificantCoefficent = decoder.readBit(\n                contexts,\n                RUNLENGTH_CONTEXT\n              );\n              if (!hasSignificantCoefficent) {\n                bitsDecoded[index0]++;\n                bitsDecoded[index0 + oneRowDown]++;\n                bitsDecoded[index0 + twoRowsDown]++;\n                bitsDecoded[index0 + threeRowsDown]++;\n                continue; // next column\n              }\n              i1 =\n                (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n                decoder.readBit(contexts, UNIFORM_CONTEXT);\n              if (i1 !== 0) {\n                i = i0 + i1;\n                index += i1 * width;\n              }\n\n              sign = this.decodeSignBit(i, j, index);\n              coefficentsSign[index] = sign;\n              coefficentsMagnitude[index] = 1;\n              this.setNeighborsSignificance(i, j, index);\n              processingFlags[index] |= firstMagnitudeBitMask;\n\n              index = index0;\n              for (var i2 = i0; i2 <= i; i2++, index += width) {\n                bitsDecoded[index]++;\n              }\n\n              i1++;\n            }\n            for (i = i0 + i1; i < iNext; i++, index += width) {\n              if (\n                coefficentsMagnitude[index] ||\n                (processingFlags[index] & processedMask) !== 0\n              ) {\n                continue;\n              }\n\n              var contextLabel = labels[neighborsSignificance[index]];\n              var decision = decoder.readBit(contexts, contextLabel);\n              if (decision === 1) {\n                sign = this.decodeSignBit(i, j, index);\n                coefficentsSign[index] = sign;\n                coefficentsMagnitude[index] = 1;\n                this.setNeighborsSignificance(i, j, index);\n                processingFlags[index] |= firstMagnitudeBitMask;\n              }\n              bitsDecoded[index]++;\n            }\n          }\n        }\n      },\n      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {\n        var decoder = this.decoder;\n        var contexts = this.contexts;\n        var symbol =\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) |\n          (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) |\n          decoder.readBit(contexts, UNIFORM_CONTEXT);\n        if (symbol !== 0xa) {\n          throw new JpxError(\"Invalid segmentation symbol\");\n        }\n      },\n    };\n\n    return BitModel;\n  })();\n\n  // Section F, Discrete wavelet transformation\n  var Transform = (function TransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function Transform() {}\n\n    Transform.prototype.calculate = function transformCalculate(\n      subbands,\n      u0,\n      v0\n    ) {\n      var ll = subbands[0];\n      for (var i = 1, ii = subbands.length; i < ii; i++) {\n        ll = this.iterate(ll, subbands[i], u0, v0);\n      }\n      return ll;\n    };\n    Transform.prototype.extend = function extend(buffer, offset, size) {\n      // Section F.3.7 extending... using max extension of 4\n      var i1 = offset - 1,\n        j1 = offset + 1;\n      var i2 = offset + size - 2,\n        j2 = offset + size;\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1--] = buffer[j1++];\n      buffer[j2++] = buffer[i2--];\n      buffer[i1] = buffer[j1];\n      buffer[j2] = buffer[i2];\n    };\n    Transform.prototype.iterate = function Transform_iterate(\n      ll,\n      hl_lh_hh,\n      u0,\n      v0\n    ) {\n      var llWidth = ll.width,\n        llHeight = ll.height,\n        llItems = ll.items;\n      var width = hl_lh_hh.width;\n      var height = hl_lh_hh.height;\n      var items = hl_lh_hh.items;\n      var i, j, k, l, u, v;\n\n      // Interleave LL according to Section F.3.3\n      for (k = 0, i = 0; i < llHeight; i++) {\n        l = i * 2 * width;\n        for (j = 0; j < llWidth; j++, k++, l += 2) {\n          items[l] = llItems[k];\n        }\n      }\n      // The LL band is not needed anymore.\n      llItems = ll.items = null;\n\n      var bufferPadding = 4;\n      var rowBuffer = new Float32Array(width + 2 * bufferPadding);\n\n      // Section F.3.4 HOR_SR\n      if (width === 1) {\n        // if width = 1, when u0 even keep items as is, when odd divide by 2\n        if ((u0 & 1) !== 0) {\n          for (v = 0, k = 0; v < height; v++, k += width) {\n            items[k] *= 0.5;\n          }\n        }\n      } else {\n        for (v = 0, k = 0; v < height; v++, k += width) {\n          rowBuffer.set(items.subarray(k, k + width), bufferPadding);\n\n          this.extend(rowBuffer, bufferPadding, width);\n          this.filter(rowBuffer, bufferPadding, width);\n\n          items.set(\n            rowBuffer.subarray(bufferPadding, bufferPadding + width),\n            k\n          );\n        }\n      }\n\n      // Accesses to the items array can take long, because it may not fit into\n      // CPU cache and has to be fetched from main memory. Since subsequent\n      // accesses to the items array are not local when reading columns, we\n      // have a cache miss every time. To reduce cache misses, get up to\n      // 'numBuffers' items at a time and store them into the individual\n      // buffers. The colBuffers should be small enough to fit into CPU cache.\n      var numBuffers = 16;\n      var colBuffers = [];\n      for (i = 0; i < numBuffers; i++) {\n        colBuffers.push(new Float32Array(height + 2 * bufferPadding));\n      }\n      var b,\n        currentBuffer = 0;\n      ll = bufferPadding + height;\n\n      // Section F.3.5 VER_SR\n      if (height === 1) {\n        // if height = 1, when v0 even keep items as is, when odd divide by 2\n        if ((v0 & 1) !== 0) {\n          for (u = 0; u < width; u++) {\n            items[u] *= 0.5;\n          }\n        }\n      } else {\n        for (u = 0; u < width; u++) {\n          // if we ran out of buffers, copy several image columns at once\n          if (currentBuffer === 0) {\n            numBuffers = Math.min(width - u, numBuffers);\n            for (k = u, l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                colBuffers[b][l] = items[k + b];\n              }\n            }\n            currentBuffer = numBuffers;\n          }\n\n          currentBuffer--;\n          var buffer = colBuffers[currentBuffer];\n          this.extend(buffer, bufferPadding, height);\n          this.filter(buffer, bufferPadding, height);\n\n          // If this is last buffer in this group of buffers, flush all buffers.\n          if (currentBuffer === 0) {\n            k = u - numBuffers + 1;\n            for (l = bufferPadding; l < ll; k += width, l++) {\n              for (b = 0; b < numBuffers; b++) {\n                items[k + b] = colBuffers[b][l];\n              }\n            }\n          }\n        }\n      }\n\n      return {\n        width,\n        height,\n        items,\n      };\n    };\n    return Transform;\n  })();\n\n  // Section 3.8.2 Irreversible 9-7 filter\n  var IrreversibleTransform = (function IrreversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function IrreversibleTransform() {\n      Transform.call(this);\n    }\n\n    IrreversibleTransform.prototype = Object.create(Transform.prototype);\n    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n, current, next;\n\n      var alpha = -1.586134342059924;\n      var beta = -0.052980118572961;\n      var gamma = 0.882911075530934;\n      var delta = 0.443506852043971;\n      var K = 1.230174104914001;\n      var K_ = 1 / K;\n\n      // step 1 is combined with step 3\n\n      // step 2\n      j = offset - 3;\n      for (n = len + 4; n--; j += 2) {\n        x[j] *= K_;\n      }\n\n      // step 1 & 3\n      j = offset - 2;\n      current = delta * x[j - 1];\n      for (n = len + 3; n--; j += 2) {\n        next = delta * x[j + 1];\n        x[j] = K * x[j] - current - next;\n        if (n--) {\n          j += 2;\n          current = delta * x[j + 1];\n          x[j] = K * x[j] - current - next;\n        } else {\n          break;\n        }\n      }\n\n      // step 4\n      j = offset - 1;\n      current = gamma * x[j - 1];\n      for (n = len + 2; n--; j += 2) {\n        next = gamma * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = gamma * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 5\n      j = offset;\n      current = beta * x[j - 1];\n      for (n = len + 1; n--; j += 2) {\n        next = beta * x[j + 1];\n        x[j] -= current + next;\n        if (n--) {\n          j += 2;\n          current = beta * x[j + 1];\n          x[j] -= current + next;\n        } else {\n          break;\n        }\n      }\n\n      // step 6\n      if (len !== 0) {\n        j = offset + 1;\n        current = alpha * x[j - 1];\n        for (n = len; n--; j += 2) {\n          next = alpha * x[j + 1];\n          x[j] -= current + next;\n          if (n--) {\n            j += 2;\n            current = alpha * x[j + 1];\n            x[j] -= current + next;\n          } else {\n            break;\n          }\n        }\n      }\n    };\n\n    return IrreversibleTransform;\n  })();\n\n  // Section 3.8.1 Reversible 5-3 filter\n  var ReversibleTransform = (function ReversibleTransformClosure() {\n    // eslint-disable-next-line no-shadow\n    function ReversibleTransform() {\n      Transform.call(this);\n    }\n\n    ReversibleTransform.prototype = Object.create(Transform.prototype);\n    ReversibleTransform.prototype.filter = function reversibleTransformFilter(\n      x,\n      offset,\n      length\n    ) {\n      var len = length >> 1;\n      offset = offset | 0;\n      var j, n;\n\n      for (j = offset, n = len + 1; n--; j += 2) {\n        x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2;\n      }\n\n      for (j = offset + 1, n = len; n--; j += 2) {\n        x[j] += (x[j - 1] + x[j + 1]) >> 1;\n      }\n    };\n\n    return ReversibleTransform;\n  })();\n\n  return JpxImage;\n})();\n\nexport { JpxImage };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.min.js b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.min.js
new file mode 100644
index 00000000..b754170f
--- /dev/null
+++ b/node_modules/pdfjs-dist/image_decoders/pdf.image_decoders.min.js
@@ -0,0 +1,22 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("pdfjs-dist/image_decoders/pdf.image_decoders",[],t):"object"==typeof exports?exports["pdfjs-dist/image_decoders/pdf.image_decoders"]=t():e["pdfjs-dist/image_decoders/pdf.image_decoders"]=e.pdfjsImageDecoders=t()}(this,(function(){return function(e){var t={};function __w_pdfjs_require__(r){if(t[r])return t[r].exports;var n=t[r]={i:r,l:!1,exports:{}};e[r].call(n.exports,n,n.exports,__w_pdfjs_require__);n.l=!0;return n.exports}__w_pdfjs_require__.m=e;__w_pdfjs_require__.c=t;__w_pdfjs_require__.d=function(e,t,r){__w_pdfjs_require__.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})};__w_pdfjs_require__.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"});Object.defineProperty(e,"__esModule",{value:!0})};__w_pdfjs_require__.t=function(e,t){1&t&&(e=__w_pdfjs_require__(e));if(8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);__w_pdfjs_require__.r(r);Object.defineProperty(r,"default",{enumerable:!0,value:e});if(2&t&&"string"!=typeof e)for(var n in e)__w_pdfjs_require__.d(r,n,function(t){return e[t]}.bind(null,n));return r};__w_pdfjs_require__.n=function(e){var t=e&&e.__esModule?function getDefault(){return e.default}:function getModuleExports(){return e};__w_pdfjs_require__.d(t,"a",t);return t};__w_pdfjs_require__.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};__w_pdfjs_require__.p="";return __w_pdfjs_require__(__w_pdfjs_require__.s=0)}([function(e,t,r){"use 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unescape(encodeURIComponent(e))};t.warn=warn;t.unreachable=unreachable;t.IsEvalSupportedCached=t.IsLittleEndianCached=t.createObjectURL=t.FormatError=t.Util=t.UnknownErrorException=t.UnexpectedResponseException=t.TextRenderingMode=t.StreamType=t.PermissionFlag=t.PasswordResponses=t.PasswordException=t.MissingPDFException=t.InvalidPDFException=t.AbortException=t.CMapCompressionType=t.ImageKind=t.FontType=t.AnnotationType=t.AnnotationStateModelType=t.AnnotationReviewState=t.AnnotationReplyType=t.AnnotationMarkedState=t.AnnotationFlag=t.AnnotationFieldFlag=t.AnnotationBorderStyleType=t.UNSUPPORTED_FEATURES=t.VerbosityLevel=t.OPS=t.IDENTITY_MATRIX=t.FONT_IDENTITY_MATRIX=t.BaseException=void 0;r(2);t.IDENTITY_MATRIX=[1,0,0,1,0,0];t.FONT_IDENTITY_MATRIX=[.001,0,0,.001,0,0];t.PermissionFlag={PRINT:4,MODIFY_CONTENTS:8,COPY:16,MODIFY_ANNOTATIONS:32,FILL_INTERACTIVE_FORMS:256,COPY_FOR_ACCESSIBILITY:512,ASSEMBLE:1024,PRINT_HIGH_QUALITY:2048};t.TextRenderingMode={FILL:0,STROKE:1,FILL_STROKE:2,INVISIBLE:3,FILL_ADD_TO_PATH:4,STROKE_ADD_TO_PATH:5,FILL_STROKE_ADD_TO_PATH:6,ADD_TO_PATH:7,FILL_STROKE_MASK:3,ADD_TO_PATH_FLAG:4};t.ImageKind={GRAYSCALE_1BPP:1,RGB_24BPP:2,RGBA_32BPP:3};t.AnnotationType={TEXT:1,LINK:2,FREETEXT:3,LINE:4,SQUARE:5,CIRCLE:6,POLYGON:7,POLYLINE:8,HIGHLIGHT:9,UNDERLINE:10,SQUIGGLY:11,STRIKEOUT:12,STAMP:13,CARET:14,INK:15,POPUP:16,FILEATTACHMENT:17,SOUND:18,MOVIE:19,WIDGET:20,SCREEN:21,PRINTERMARK:22,TRAPNET:23,WATERMARK:24,THREED:25,REDACT:26};t.AnnotationStateModelType={MARKED:"Marked",REVIEW:"Review"};t.AnnotationMarkedState={MARKED:"Marked",UNMARKED:"Unmarked"};t.AnnotationReviewState={ACCEPTED:"Accepted",REJECTED:"Rejected",CANCELLED:"Cancelled",COMPLETED:"Completed",NONE:"None"};t.AnnotationReplyType={GROUP:"Group",REPLY:"R"};t.AnnotationFlag={INVISIBLE:1,HIDDEN:2,PRINT:4,NOZOOM:8,NOROTATE:16,NOVIEW:32,READONLY:64,LOCKED:128,TOGGLENOVIEW:256,LOCKEDCONTENTS:512};t.AnnotationFieldFlag={READONLY:1,REQUIRED:2,NOEXPORT:4,MULTILINE:4096,PASSWORD:8192,NOTOGGLETOOFF:16384,RADIO:32768,PUSHBUTTON:65536,COMBO:131072,EDIT:262144,SORT:524288,FILESELECT:1048576,MULTISELECT:2097152,DONOTSPELLCHECK:4194304,DONOTSCROLL:8388608,COMB:16777216,RICHTEXT:33554432,RADIOSINUNISON:33554432,COMMITONSELCHANGE:67108864};t.AnnotationBorderStyleType={SOLID:1,DASHED:2,BEVELED:3,INSET:4,UNDERLINE:5};t.StreamType={UNKNOWN:"UNKNOWN",FLATE:"FLATE",LZW:"LZW",DCT:"DCT",JPX:"JPX",JBIG:"JBIG",A85:"A85",AHX:"AHX",CCF:"CCF",RLX:"RLX"};t.FontType={UNKNOWN:"UNKNOWN",TYPE1:"TYPE1",TYPE1C:"TYPE1C",CIDFONTTYPE0:"CIDFONTTYPE0",CIDFONTTYPE0C:"CIDFONTTYPE0C",TRUETYPE:"TRUETYPE",CIDFONTTYPE2:"CIDFONTTYPE2",TYPE3:"TYPE3",OPENTYPE:"OPENTYPE",TYPE0:"TYPE0",MMTYPE1:"MMTYPE1"};const n={ERRORS:0,WARNINGS:1,INFOS:5};t.VerbosityLevel=n;t.CMapCompressionType={NONE:0,BINARY:1,STREAM:2};t.OPS={dependency:1,setLineWidth:2,setLineCap:3,setLineJoin:4,setMiterLimit:5,setDash:6,setRenderingIntent:7,setFlatness:8,setGState:9,save:10,restore:11,transform:12,moveTo:13,lineTo:14,curveTo:15,curveTo2:16,curveTo3:17,closePath:18,rectangle:19,stroke:20,closeStroke:21,fill:22,eoFill:23,fillStroke:24,eoFillStroke:25,closeFillStroke:26,closeEOFillStroke:27,endPath:28,clip:29,eoClip:30,beginText:31,endText:32,setCharSpacing:33,setWordSpacing:34,setHScale:35,setLeading:36,setFont:37,setTextRenderingMode:38,setTextRise:39,moveText:40,setLeadingMoveText:41,setTextMatrix:42,nextLine:43,showText:44,showSpacedText:45,nextLineShowText:46,nextLineSetSpacingShowText:47,setCharWidth:48,setCharWidthAndBounds:49,setStrokeColorSpace:50,setFillColorSpace:51,setStrokeColor:52,setStrokeColorN:53,setFillColor:54,setFillColorN:55,setStrokeGray:56,setFillGray:57,setStrokeRGBColor:58,setFillRGBColor:59,setStrokeCMYKColor:60,setFillCMYKColor:61,shadingFill:62,beginInlineImage:63,beginImageData:64,endInlineImage:65,paintXObject:66,markPoint:67,markPointProps:68,beginMarkedContent:69,beginMarkedContentProps:70,endMarkedContent:71,beginCompat:72,endCompat:73,paintFormXObjectBegin:74,paintFormXObjectEnd:75,beginGroup:76,endGroup:77,beginAnnotations:78,endAnnotations:79,beginAnnotation:80,endAnnotation:81,paintJpegXObject:82,paintImageMaskXObject:83,paintImageMaskXObjectGroup:84,paintImageXObject:85,paintInlineImageXObject:86,paintInlineImageXObjectGroup:87,paintImageXObjectRepeat:88,paintImageMaskXObjectRepeat:89,paintSolidColorImageMask:90,constructPath:91};t.UNSUPPORTED_FEATURES={unknown:"unknown",forms:"forms",javaScript:"javaScript",smask:"smask",shadingPattern:"shadingPattern",font:"font",errorTilingPattern:"errorTilingPattern",errorExtGState:"errorExtGState",errorXObject:"errorXObject",errorFontLoadType3:"errorFontLoadType3",errorFontState:"errorFontState",errorFontMissing:"errorFontMissing",errorFontTranslate:"errorFontTranslate",errorColorSpace:"errorColorSpace",errorOperatorList:"errorOperatorList",errorFontToUnicode:"errorFontToUnicode",errorFontLoadNative:"errorFontLoadNative",errorFontGetPath:"errorFontGetPath",errorMarkedContent:"errorMarkedContent"};t.PasswordResponses={NEED_PASSWORD:1,INCORRECT_PASSWORD:2};let i=n.WARNINGS;function warn(e){i>=n.WARNINGS&&console.log("Warning: "+e)}function unreachable(e){throw new Error(e)}function assert(e,t){e||unreachable(t)}function shadow(e,t,r){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!1});return r}const o=function BaseExceptionClosure(){function BaseException(e){this.constructor===BaseException&&unreachable("Cannot initialize BaseException.");this.message=e;this.name=this.constructor.name}BaseException.prototype=new Error;BaseException.constructor=BaseException;return BaseException}();t.BaseException=o;t.PasswordException=class PasswordException extends o{constructor(e,t){super(e);this.code=t}};t.UnknownErrorException=class UnknownErrorException extends o{constructor(e,t){super(e);this.details=t}};t.InvalidPDFException=class InvalidPDFException extends o{};t.MissingPDFException=class MissingPDFException extends o{};t.UnexpectedResponseException=class UnexpectedResponseException extends o{constructor(e,t){super(e);this.status=t}};t.FormatError=class FormatError extends o{};t.AbortException=class AbortException extends o{};const s=/\x00/g;function stringToBytes(e){assert("string"==typeof e,"Invalid argument for stringToBytes");const t=e.length,r=new Uint8Array(t);for(let n=0;n<t;++n)r[n]=255&e.charCodeAt(n);return r}function arrayByteLength(e){if(void 0!==e.length)return e.length;assert(void 0!==e.byteLength,"arrayByteLength - invalid argument.");return e.byteLength}const a={get value(){return shadow(this,"value",function isLittleEndian(){const e=new Uint8Array(4);e[0]=1;return 1===new Uint32Array(e.buffer,0,1)[0]}())}};t.IsLittleEndianCached=a;const c={get value(){return shadow(this,"value",function isEvalSupported(){try{new Function("");return!0}catch(e){return!1}}())}};t.IsEvalSupportedCached=c;const l=["rgb(",0,",",0,",",0,")"];class Util{static makeCssRgb(e,t,r){l[1]=e;l[3]=t;l[5]=r;return l.join("")}static transform(e,t){return[e[0]*t[0]+e[2]*t[1],e[1]*t[0]+e[3]*t[1],e[0]*t[2]+e[2]*t[3],e[1]*t[2]+e[3]*t[3],e[0]*t[4]+e[2]*t[5]+e[4],e[1]*t[4]+e[3]*t[5]+e[5]]}static applyTransform(e,t){return[e[0]*t[0]+e[1]*t[2]+t[4],e[0]*t[1]+e[1]*t[3]+t[5]]}static applyInverseTransform(e,t){const r=t[0]*t[3]-t[1]*t[2];return[(e[0]*t[3]-e[1]*t[2]+t[2]*t[5]-t[4]*t[3])/r,(-e[0]*t[1]+e[1]*t[0]+t[4]*t[1]-t[5]*t[0])/r]}static getAxialAlignedBoundingBox(e,t){const r=Util.applyTransform(e,t),n=Util.applyTransform(e.slice(2,4),t),i=Util.applyTransform([e[0],e[3]],t),o=Util.applyTransform([e[2],e[1]],t);return[Math.min(r[0],n[0],i[0],o[0]),Math.min(r[1],n[1],i[1],o[1]),Math.max(r[0],n[0],i[0],o[0]),Math.max(r[1],n[1],i[1],o[1])]}static inverseTransform(e){const t=e[0]*e[3]-e[1]*e[2];return[e[3]/t,-e[1]/t,-e[2]/t,e[0]/t,(e[2]*e[5]-e[4]*e[3])/t,(e[4]*e[1]-e[5]*e[0])/t]}static apply3dTransform(e,t){return[e[0]*t[0]+e[1]*t[1]+e[2]*t[2],e[3]*t[0]+e[4]*t[1]+e[5]*t[2],e[6]*t[0]+e[7]*t[1]+e[8]*t[2]]}static singularValueDecompose2dScale(e){const t=[e[0],e[2],e[1],e[3]],r=e[0]*t[0]+e[1]*t[2],n=e[0]*t[1]+e[1]*t[3],i=e[2]*t[0]+e[3]*t[2],o=e[2]*t[1]+e[3]*t[3],s=(r+o)/2,a=Math.sqrt((r+o)*(r+o)-4*(r*o-i*n))/2,c=s+a||1,l=s-a||1;return[Math.sqrt(c),Math.sqrt(l)]}static normalizeRect(e){const t=e.slice(0);if(e[0]>e[2]){t[0]=e[2];t[2]=e[0]}if(e[1]>e[3]){t[1]=e[3];t[3]=e[1]}return t}static intersect(e,t){function compare(e,t){return e-t}const r=[e[0],e[2],t[0],t[2]].sort(compare),n=[e[1],e[3],t[1],t[3]].sort(compare),i=[];e=Util.normalizeRect(e);t=Util.normalizeRect(t);if(!(r[0]===e[0]&&r[1]===t[0]||r[0]===t[0]&&r[1]===e[0]))return null;i[0]=r[1];i[2]=r[2];if(!(n[0]===e[1]&&n[1]===t[1]||n[0]===t[1]&&n[1]===e[1]))return null;i[1]=n[1];i[3]=n[2];return i}}t.Util=Util;const d=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,728,711,710,729,733,731,730,732,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8226,8224,8225,8230,8212,8211,402,8260,8249,8250,8722,8240,8222,8220,8221,8216,8217,8218,8482,64257,64258,321,338,352,376,381,305,322,339,353,382,0,8364];const f=function createObjectURLClosure(){const e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";return function createObjectURL(t,r,n=!1){if(!n&&URL.createObjectURL){const e=new Blob([t],{type:r});return URL.createObjectURL(e)}let i=`data:${r};base64,`;for(let r=0,n=t.length;r<n;r+=3){const o=255&t[r],s=255&t[r+1],a=255&t[r+2];i+=e[o>>2]+e[(3&o)<<4|s>>4]+e[r+1<n?(15&s)<<2|a>>6:64]+e[r+2<n?63&a:64]}return i}}();t.createObjectURL=f},function(e,t,r){"use strict";r(3)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.isNodeJS=void 0;const n=!("object"!=typeof process||process+""!="[object process]"||process.versions.nw||process.versions.electron&&process.type&&"browser"!==process.type);t.isNodeJS=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Jbig2Image=void 0;var n=r(1),i=r(5),o=r(6),s=r(7);class Jbig2Error extends n.BaseException{constructor(e){super("JBIG2 error: "+e)}}var a=function Jbig2ImageClosure(){function ContextCache(){}ContextCache.prototype={getContexts(e){return e in this?this[e]:this[e]=new Int8Array(65536)}};function DecodingContext(e,t,r){this.data=e;this.start=t;this.end=r}DecodingContext.prototype={get decoder(){var e=new o.ArithmeticDecoder(this.data,this.start,this.end);return(0,n.shadow)(this,"decoder",e)},get contextCache(){var e=new ContextCache;return(0,n.shadow)(this,"contextCache",e)}};function decodeInteger(e,t,r){var n=e.getContexts(t),i=1;function readBits(e){for(var t=0,o=0;o<e;o++){var s=r.readBit(n,i);i=i<256?i<<1|s:511&(i<<1|s)|256;t=t<<1|s}return t>>>0}var o=readBits(1),s=readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(1)?readBits(32)+4436:readBits(12)+340:readBits(8)+84:readBits(6)+20:readBits(4)+4:readBits(2);return 0===o?s:s>0?-s:null}function decodeIAID(e,t,r){for(var n=e.getContexts("IAID"),i=1,o=0;o<r;o++){i=i<<1|t.readBit(n,i)}return r<31?i&(1<<r)-1:2147483647&i}var e=["SymbolDictionary",null,null,null,"IntermediateTextRegion",null,"ImmediateTextRegion","ImmediateLosslessTextRegion",null,null,null,null,null,null,null,null,"PatternDictionary",null,null,null,"IntermediateHalftoneRegion",null,"ImmediateHalftoneRegion","ImmediateLosslessHalftoneRegion",null,null,null,null,null,null,null,null,null,null,null,null,"IntermediateGenericRegion",null,"ImmediateGenericRegion","ImmediateLosslessGenericRegion","IntermediateGenericRefinementRegion",null,"ImmediateGenericRefinementRegion","ImmediateLosslessGenericRefinementRegion",null,null,null,null,"PageInformation","EndOfPage","EndOfStripe","EndOfFile","Profiles","Tables",null,null,null,null,null,null,null,null,"Extension"],t=[[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:2,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:2,y:-1},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}],[{x:-1,y:-2},{x:0,y:-2},{x:1,y:-2},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-2,y:0},{x:-1,y:0}],[{x:-3,y:-1},{x:-2,y:-1},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-4,y:0},{x:-3,y:0},{x:-2,y:0},{x:-1,y:0}]],r=[{coding:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:1,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:-1,y:1},{x:0,y:1},{x:1,y:1}]},{coding:[{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:-1,y:0}],reference:[{x:0,y:-1},{x:-1,y:0},{x:0,y:0},{x:1,y:0},{x:0,y:1},{x:1,y:1}]}],a=[39717,1941,229,405],c=[32,8];function decodeBitmap(e,r,n,i,o,s,c,l){if(e){return decodeMMRBitmap(new Reader(l.data,l.start,l.end),r,n,!1)}if(0===i&&!s&&!o&&4===c.length&&3===c[0].x&&-1===c[0].y&&-3===c[1].x&&-1===c[1].y&&2===c[2].x&&-2===c[2].y&&-2===c[3].x&&-2===c[3].y)return function decodeBitmapTemplate0(e,t,r){var n,i,o,s,a,c,l,d=r.decoder,f=r.contextCache.getContexts("GB"),h=[];for(i=0;i<t;i++){a=h[i]=new Uint8Array(e);c=i<1?a:h[i-1];n=(l=i<2?a:h[i-2])[0]<<13|l[1]<<12|l[2]<<11|c[0]<<7|c[1]<<6|c[2]<<5|c[3]<<4;for(o=0;o<e;o++){a[o]=s=d.readBit(f,n);n=(31735&n)<<1|(o+3<e?l[o+3]<<11:0)|(o+4<e?c[o+4]<<4:0)|s}}return h}(r,n,l);var d=!!s,f=t[i].concat(c);f.sort((function(e,t){return e.y-t.y||e.x-t.x}));var h,u,p=f.length,m=new Int8Array(p),g=new Int8Array(p),b=[],x=0,y=0,v=0,w=0;for(u=0;u<p;u++){m[u]=f[u].x;g[u]=f[u].y;y=Math.min(y,f[u].x);v=Math.max(v,f[u].x);w=Math.min(w,f[u].y);u<p-1&&f[u].y===f[u+1].y&&f[u].x===f[u+1].x-1?x|=1<<p-1-u:b.push(u)}var T=b.length,C=new Int8Array(T),I=new Int8Array(T),P=new Uint16Array(T);for(h=0;h<T;h++){u=b[h];C[h]=f[u].x;I[h]=f[u].y;P[h]=1<<p-1-u}for(var k,S,_,E,B,L=-y,D=-w,M=r-v,O=a[i],A=new Uint8Array(r),R=[],U=l.decoder,F=l.contextCache.getContexts("GB"),N=0,H=0,J=0;J<n;J++){if(o){if(N^=U.readBit(F,O)){R.push(A);continue}}A=new Uint8Array(A);R.push(A);for(k=0;k<r;k++)if(d&&s[J][k])A[k]=0;else{if(k>=L&&k<M&&J>=D){H=H<<1&x;for(u=0;u<T;u++){S=J+I[u];_=k+C[u];(E=R[S][_])&&(H|=E=P[u])}}else{H=0;B=p-1;for(u=0;u<p;u++,B--)(_=k+m[u])>=0&&_<r&&(S=J+g[u])>=0&&(E=R[S][_])&&(H|=E<<B)}var z=U.readBit(F,H);A[k]=z}}return R}function decodeRefinement(e,t,n,i,o,s,a,l,d){var f=r[n].coding;0===n&&(f=f.concat([l[0]]));var h,u=f.length,p=new Int32Array(u),m=new Int32Array(u);for(h=0;h<u;h++){p[h]=f[h].x;m[h]=f[h].y}var g=r[n].reference;0===n&&(g=g.concat([l[1]]));var b=g.length,x=new Int32Array(b),y=new Int32Array(b);for(h=0;h<b;h++){x[h]=g[h].x;y[h]=g[h].y}for(var v=i[0].length,w=i.length,T=c[n],C=[],I=d.decoder,P=d.contextCache.getContexts("GR"),k=0,S=0;S<t;S++){if(a){if(k^=I.readBit(P,T))throw new Jbig2Error("prediction is not supported")}var _=new Uint8Array(e);C.push(_);for(var E=0;E<e;E++){var B,L,D=0;for(h=0;h<u;h++){B=S+m[h];L=E+p[h];B<0||L<0||L>=e?D<<=1:D=D<<1|C[B][L]}for(h=0;h<b;h++){B=S+y[h]-s;L=E+x[h]-o;B<0||B>=w||L<0||L>=v?D<<=1:D=D<<1|i[B][L]}var M=I.readBit(P,D);_[E]=M}}return C}function decodeTextRegion(e,t,r,n,i,o,s,a,c,l,d,f,h,u,p,m,g,b,x){if(e&&t)throw new Jbig2Error("refinement with Huffman is not supported");var y,v,w=[];for(y=0;y<n;y++){v=new Uint8Array(r);if(i)for(var T=0;T<r;T++)v[T]=i;w.push(v)}var C=g.decoder,I=g.contextCache,P=e?-u.tableDeltaT.decode(x):-decodeInteger(I,"IADT",C),k=0;y=0;for(;y<o;){P+=e?u.tableDeltaT.decode(x):decodeInteger(I,"IADT",C);for(var S=k+=e?u.tableFirstS.decode(x):decodeInteger(I,"IAFS",C);;){let n=0;s>1&&(n=e?x.readBits(b):decodeInteger(I,"IAIT",C));var _=s*P+n,E=e?u.symbolIDTable.decode(x):decodeIAID(I,C,c),B=t&&(e?x.readBit():decodeInteger(I,"IARI",C)),L=a[E],D=L[0].length,M=L.length;if(B){var O=decodeInteger(I,"IARDW",C),A=decodeInteger(I,"IARDH",C);L=decodeRefinement(D+=O,M+=A,p,L,(O>>1)+decodeInteger(I,"IARDX",C),(A>>1)+decodeInteger(I,"IARDY",C),!1,m,g)}var R,U,F,N=_-(1&f?0:M-1),H=S-(2&f?D-1:0);if(l){for(R=0;R<M;R++)if(v=w[H+R]){F=L[R];var J=Math.min(r-N,D);switch(h){case 0:for(U=0;U<J;U++)v[N+U]|=F[U];break;case 2:for(U=0;U<J;U++)v[N+U]^=F[U];break;default:throw new Jbig2Error(`operator ${h} is not supported`)}}S+=M-1}else{for(U=0;U<M;U++)if(v=w[N+U]){F=L[U];switch(h){case 0:for(R=0;R<D;R++)v[H+R]|=F[R];break;case 2:for(R=0;R<D;R++)v[H+R]^=F[R];break;default:throw new Jbig2Error(`operator ${h} is not supported`)}}S+=D-1}y++;var z=e?u.tableDeltaS.decode(x):decodeInteger(I,"IADS",C);if(null===z)break;S+=z+d}}return w}function readSegmentHeader(t,r){var n={};n.number=(0,i.readUint32)(t,r);var o=t[r+4],s=63&o;if(!e[s])throw new Jbig2Error("invalid segment type: "+s);n.type=s;n.typeName=e[s];n.deferredNonRetain=!!(128&o);var a=!!(64&o),c=t[r+5],d=c>>5&7,f=[31&c],h=r+6;if(7===c){d=536870911&(0,i.readUint32)(t,h-1);h+=3;var u=d+7>>3;f[0]=t[h++];for(;--u>0;)f.push(t[h++])}else if(5===c||6===c)throw new Jbig2Error("invalid referred-to flags");n.retainBits=f;let p=4;n.number<=256?p=1:n.number<=65536&&(p=2);var m,g,b=[];for(m=0;m<d;m++){let e;e=1===p?t[h]:2===p?(0,i.readUint16)(t,h):(0,i.readUint32)(t,h);b.push(e);h+=p}n.referredTo=b;if(a){n.pageAssociation=(0,i.readUint32)(t,h);h+=4}else n.pageAssociation=t[h++];n.length=(0,i.readUint32)(t,h);h+=4;if(4294967295===n.length){if(38!==s)throw new Jbig2Error("invalid unknown segment length");var x=readRegionSegmentInformation(t,h),y=!!(1&t[h+l]),v=new Uint8Array(6);if(!y){v[0]=255;v[1]=172}v[2]=x.height>>>24&255;v[3]=x.height>>16&255;v[4]=x.height>>8&255;v[5]=255&x.height;for(m=h,g=t.length;m<g;m++){for(var w=0;w<6&&v[w]===t[m+w];)w++;if(6===w){n.length=m+6;break}}if(4294967295===n.length)throw new Jbig2Error("segment end was not found")}n.headerEnd=h;return n}function readSegments(e,t,r,n){for(var i=[],o=r;o<n;){var s=readSegmentHeader(t,o);o=s.headerEnd;var a={header:s,data:t};if(!e.randomAccess){a.start=o;o+=s.length;a.end=o}i.push(a);if(51===s.type)break}if(e.randomAccess)for(var c=0,l=i.length;c<l;c++){i[c].start=o;o+=i[c].header.length;i[c].end=o}return i}function readRegionSegmentInformation(e,t){return{width:(0,i.readUint32)(e,t),height:(0,i.readUint32)(e,t+4),x:(0,i.readUint32)(e,t+8),y:(0,i.readUint32)(e,t+12),combinationOperator:7&e[t+16]}}var l=17;function processSegment(e,t){var r,n,o,s,a=e.header,c=e.data,d=e.start,f=e.end;switch(a.type){case 0:var h={},u=(0,i.readUint16)(c,d);h.huffman=!!(1&u);h.refinement=!!(2&u);h.huffmanDHSelector=u>>2&3;h.huffmanDWSelector=u>>4&3;h.bitmapSizeSelector=u>>6&1;h.aggregationInstancesSelector=u>>7&1;h.bitmapCodingContextUsed=!!(256&u);h.bitmapCodingContextRetained=!!(512&u);h.template=u>>10&3;h.refinementTemplate=u>>12&1;d+=2;if(!h.huffman){s=0===h.template?4:1;n=[];for(o=0;o<s;o++){n.push({x:(0,i.readInt8)(c,d),y:(0,i.readInt8)(c,d+1)});d+=2}h.at=n}if(h.refinement&&!h.refinementTemplate){n=[];for(o=0;o<2;o++){n.push({x:(0,i.readInt8)(c,d),y:(0,i.readInt8)(c,d+1)});d+=2}h.refinementAt=n}h.numberOfExportedSymbols=(0,i.readUint32)(c,d);d+=4;h.numberOfNewSymbols=(0,i.readUint32)(c,d);d+=4;r=[h,a.number,a.referredTo,c,d,f];break;case 6:case 7:var p={};p.info=readRegionSegmentInformation(c,d);d+=l;var m=(0,i.readUint16)(c,d);d+=2;p.huffman=!!(1&m);p.refinement=!!(2&m);p.logStripSize=m>>2&3;p.stripSize=1<<p.logStripSize;p.referenceCorner=m>>4&3;p.transposed=!!(64&m);p.combinationOperator=m>>7&3;p.defaultPixelValue=m>>9&1;p.dsOffset=m<<17>>27;p.refinementTemplate=m>>15&1;if(p.huffman){var g=(0,i.readUint16)(c,d);d+=2;p.huffmanFS=3&g;p.huffmanDS=g>>2&3;p.huffmanDT=g>>4&3;p.huffmanRefinementDW=g>>6&3;p.huffmanRefinementDH=g>>8&3;p.huffmanRefinementDX=g>>10&3;p.huffmanRefinementDY=g>>12&3;p.huffmanRefinementSizeSelector=!!(16384&g)}if(p.refinement&&!p.refinementTemplate){n=[];for(o=0;o<2;o++){n.push({x:(0,i.readInt8)(c,d),y:(0,i.readInt8)(c,d+1)});d+=2}p.refinementAt=n}p.numberOfSymbolInstances=(0,i.readUint32)(c,d);d+=4;r=[p,a.referredTo,c,d,f];break;case 16:const e={},t=c[d++];e.mmr=!!(1&t);e.template=t>>1&3;e.patternWidth=c[d++];e.patternHeight=c[d++];e.maxPatternIndex=(0,i.readUint32)(c,d);d+=4;r=[e,a.number,c,d,f];break;case 22:case 23:const w={};w.info=readRegionSegmentInformation(c,d);d+=l;const T=c[d++];w.mmr=!!(1&T);w.template=T>>1&3;w.enableSkip=!!(8&T);w.combinationOperator=T>>4&7;w.defaultPixelValue=T>>7&1;w.gridWidth=(0,i.readUint32)(c,d);d+=4;w.gridHeight=(0,i.readUint32)(c,d);d+=4;w.gridOffsetX=4294967295&(0,i.readUint32)(c,d);d+=4;w.gridOffsetY=4294967295&(0,i.readUint32)(c,d);d+=4;w.gridVectorX=(0,i.readUint16)(c,d);d+=2;w.gridVectorY=(0,i.readUint16)(c,d);d+=2;r=[w,a.referredTo,c,d,f];break;case 38:case 39:var b={};b.info=readRegionSegmentInformation(c,d);d+=l;var x=c[d++];b.mmr=!!(1&x);b.template=x>>1&3;b.prediction=!!(8&x);if(!b.mmr){s=0===b.template?4:1;n=[];for(o=0;o<s;o++){n.push({x:(0,i.readInt8)(c,d),y:(0,i.readInt8)(c,d+1)});d+=2}b.at=n}r=[b,c,d,f];break;case 48:var y={width:(0,i.readUint32)(c,d),height:(0,i.readUint32)(c,d+4),resolutionX:(0,i.readUint32)(c,d+8),resolutionY:(0,i.readUint32)(c,d+12)};4294967295===y.height&&delete y.height;var v=c[d+16];(0,i.readUint16)(c,d+17);y.lossless=!!(1&v);y.refinement=!!(2&v);y.defaultPixelValue=v>>2&1;y.combinationOperator=v>>3&3;y.requiresBuffer=!!(32&v);y.combinationOperatorOverride=!!(64&v);r=[y];break;case 49:case 50:case 51:break;case 53:r=[a.number,c,d,f];break;case 62:break;default:throw new Jbig2Error(`segment type ${a.typeName}(${a.type}) is not implemented`)}var w="on"+a.typeName;w in t&&t[w].apply(t,r)}function processSegments(e,t){for(var r=0,n=e.length;r<n;r++)processSegment(e[r],t)}function SimpleSegmentVisitor(){}SimpleSegmentVisitor.prototype={onPageInformation:function SimpleSegmentVisitor_onPageInformation(e){this.currentPageInfo=e;var t=e.width+7>>3,r=new Uint8ClampedArray(t*e.height);if(e.defaultPixelValue)for(var n=0,i=r.length;n<i;n++)r[n]=255;this.buffer=r},drawBitmap:function SimpleSegmentVisitor_drawBitmap(e,t){var r,n,i,o,s=this.currentPageInfo,a=e.width,c=e.height,l=s.width+7>>3,d=s.combinationOperatorOverride?e.combinationOperator:s.combinationOperator,f=this.buffer,h=128>>(7&e.x),u=e.y*l+(e.x>>3);switch(d){case 0:for(r=0;r<c;r++){i=h;o=u;for(n=0;n<a;n++){t[r][n]&&(f[o]|=i);if(!(i>>=1)){i=128;o++}}u+=l}break;case 2:for(r=0;r<c;r++){i=h;o=u;for(n=0;n<a;n++){t[r][n]&&(f[o]^=i);if(!(i>>=1)){i=128;o++}}u+=l}break;default:throw new Jbig2Error(`operator ${d} is not supported`)}},onImmediateGenericRegion:function SimpleSegmentVisitor_onImmediateGenericRegion(e,t,r,n){var i=e.info,o=new DecodingContext(t,r,n),s=decodeBitmap(e.mmr,i.width,i.height,e.template,e.prediction,null,e.at,o);this.drawBitmap(i,s)},onImmediateLosslessGenericRegion:function SimpleSegmentVisitor_onImmediateLosslessGenericRegion(){this.onImmediateGenericRegion.apply(this,arguments)},onSymbolDictionary:function SimpleSegmentVisitor_onSymbolDictionary(e,t,r,n,o,s){let a,c;if(e.huffman){a=function getSymbolDictionaryHuffmanTables(e,t,r){let n,i,o,s,a=0;switch(e.huffmanDHSelector){case 0:case 1:n=getStandardTable(e.huffmanDHSelector+4);break;case 3:n=getCustomHuffmanTable(a,t,r);a++;break;default:throw new Jbig2Error("invalid Huffman DH selector")}switch(e.huffmanDWSelector){case 0:case 1:i=getStandardTable(e.huffmanDWSelector+2);break;case 3:i=getCustomHuffmanTable(a,t,r);a++;break;default:throw new Jbig2Error("invalid Huffman DW selector")}if(e.bitmapSizeSelector){o=getCustomHuffmanTable(a,t,r);a++}else o=getStandardTable(1);s=e.aggregationInstancesSelector?getCustomHuffmanTable(a,t,r):getStandardTable(1);return{tableDeltaHeight:n,tableDeltaWidth:i,tableBitmapSize:o,tableAggregateInstances:s}}(e,r,this.customTables);c=new Reader(n,o,s)}var l=this.symbols;l||(this.symbols=l={});for(var d=[],f=0,h=r.length;f<h;f++){const e=l[r[f]];e&&(d=d.concat(e))}var u=new DecodingContext(n,o,s);l[t]=function decodeSymbolDictionary(e,t,r,n,o,s,a,c,l,d,f,h){if(e&&t)throw new Jbig2Error("symbol refinement with Huffman is not supported");var u=[],p=0,m=(0,i.log2)(r.length+n),g=f.decoder,b=f.contextCache;let x,y;if(e){x=getStandardTable(1);y=[];m=Math.max(m,1)}for(;u.length<n;){p+=e?s.tableDeltaHeight.decode(h):decodeInteger(b,"IADH",g);let n=0,i=0;const o=e?y.length:0;for(;;){var v,w=e?s.tableDeltaWidth.decode(h):decodeInteger(b,"IADW",g);if(null===w)break;n+=w;i+=n;if(t){var T=decodeInteger(b,"IAAI",g);if(T>1)v=decodeTextRegion(e,t,n,p,0,T,1,r.concat(u),m,0,0,1,0,s,l,d,f,0,h);else{var C=decodeIAID(b,g,m),I=decodeInteger(b,"IARDX",g),P=decodeInteger(b,"IARDY",g);v=decodeRefinement(n,p,l,C<r.length?r[C]:u[C-r.length],I,P,!1,d,f)}u.push(v)}else if(e)y.push(n);else{v=decodeBitmap(!1,n,p,a,!1,null,c,f);u.push(v)}}if(e&&!t){const e=s.tableBitmapSize.decode(h);h.byteAlign();let t;if(0===e)t=readUncompressedBitmap(h,i,p);else{const r=h.end,n=h.position+e;h.end=n;t=decodeMMRBitmap(h,i,p,!1);h.end=r;h.position=n}const r=y.length;if(o===r-1)u.push(t);else{let e,n,i,s,a,c=0;for(e=o;e<r;e++){s=y[e];i=c+s;a=[];for(n=0;n<p;n++)a.push(t[n].subarray(c,i));u.push(a);c=i}}}}for(var k=[],S=[],_=!1,E=r.length+n;S.length<E;){for(var B=e?x.decode(h):decodeInteger(b,"IAEX",g);B--;)S.push(_);_=!_}for(var L=0,D=r.length;L<D;L++)S[L]&&k.push(r[L]);for(var M=0;M<n;L++,M++)S[L]&&k.push(u[M]);return k}(e.huffman,e.refinement,d,e.numberOfNewSymbols,e.numberOfExportedSymbols,a,e.template,e.at,e.refinementTemplate,e.refinementAt,u,c)},onImmediateTextRegion:function SimpleSegmentVisitor_onImmediateTextRegion(e,t,r,n,o){var s=e.info;let a,c;for(var l=this.symbols,d=[],f=0,h=t.length;f<h;f++){const e=l[t[f]];e&&(d=d.concat(e))}var u=(0,i.log2)(d.length);if(e.huffman){c=new Reader(r,n,o);a=function getTextRegionHuffmanTables(e,t,r,n,i){const o=[];for(let e=0;e<=34;e++){const t=i.readBits(4);o.push(new HuffmanLine([e,t,0,0]))}const s=new HuffmanTable(o,!1);o.length=0;for(let e=0;e<n;){const t=s.decode(i);if(t>=32){let r,n,s;switch(t){case 32:if(0===e)throw new Jbig2Error("no previous value in symbol ID table");n=i.readBits(2)+3;r=o[e-1].prefixLength;break;case 33:n=i.readBits(3)+3;r=0;break;case 34:n=i.readBits(7)+11;r=0;break;default:throw new Jbig2Error("invalid code length in symbol ID table")}for(s=0;s<n;s++){o.push(new HuffmanLine([e,r,0,0]));e++}}else{o.push(new HuffmanLine([e,t,0,0]));e++}}i.byteAlign();const a=new HuffmanTable(o,!1);let c,l,d,f=0;switch(e.huffmanFS){case 0:case 1:c=getStandardTable(e.huffmanFS+6);break;case 3:c=getCustomHuffmanTable(f,t,r);f++;break;default:throw new Jbig2Error("invalid Huffman FS selector")}switch(e.huffmanDS){case 0:case 1:case 2:l=getStandardTable(e.huffmanDS+8);break;case 3:l=getCustomHuffmanTable(f,t,r);f++;break;default:throw new Jbig2Error("invalid Huffman DS selector")}switch(e.huffmanDT){case 0:case 1:case 2:d=getStandardTable(e.huffmanDT+11);break;case 3:d=getCustomHuffmanTable(f,t,r);f++;break;default:throw new Jbig2Error("invalid Huffman DT selector")}if(e.refinement)throw new Jbig2Error("refinement with Huffman is not supported");return{symbolIDTable:a,tableFirstS:c,tableDeltaS:l,tableDeltaT:d}}(e,t,this.customTables,d.length,c)}var p=new DecodingContext(r,n,o),m=decodeTextRegion(e.huffman,e.refinement,s.width,s.height,e.defaultPixelValue,e.numberOfSymbolInstances,e.stripSize,d,u,e.transposed,e.dsOffset,e.referenceCorner,e.combinationOperator,a,e.refinementTemplate,e.refinementAt,p,e.logStripSize,c);this.drawBitmap(s,m)},onImmediateLosslessTextRegion:function SimpleSegmentVisitor_onImmediateLosslessTextRegion(){this.onImmediateTextRegion.apply(this,arguments)},onPatternDictionary(e,t,r,n,i){let o=this.patterns;o||(this.patterns=o={});const s=new DecodingContext(r,n,i);o[t]=function decodePatternDictionary(e,t,r,n,i,o){const s=[];if(!e){s.push({x:-t,y:0});if(0===i){s.push({x:-3,y:-1});s.push({x:2,y:-2});s.push({x:-2,y:-2})}}const a=decodeBitmap(e,(n+1)*t,r,i,!1,null,s,o),c=[];for(let e=0;e<=n;e++){const n=[],i=t*e,o=i+t;for(let e=0;e<r;e++)n.push(a[e].subarray(i,o));c.push(n)}return c}(e.mmr,e.patternWidth,e.patternHeight,e.maxPatternIndex,e.template,s)},onImmediateHalftoneRegion(e,t,r,n,o){const s=this.patterns[t[0]],a=e.info,c=new DecodingContext(r,n,o),l=function decodeHalftoneRegion(e,t,r,n,o,s,a,c,l,d,f,h,u,p,m){if(a)throw new Jbig2Error("skip is not supported");if(0!==c)throw new Jbig2Error("operator "+c+" is not supported in halftone region");const g=[];let b,x,y;for(b=0;b<o;b++){y=new Uint8Array(n);if(s)for(x=0;x<n;x++)y[x]=s;g.push(y)}const v=t.length,w=t[0],T=w[0].length,C=w.length,I=(0,i.log2)(v),P=[];if(!e){P.push({x:r<=1?3:2,y:-1});if(0===r){P.push({x:-3,y:-1});P.push({x:2,y:-2});P.push({x:-2,y:-2})}}const k=[];let S,_,E,B,L,D,M,O,A,R,U;e&&(S=new Reader(m.data,m.start,m.end));for(b=I-1;b>=0;b--){_=e?decodeMMRBitmap(S,l,d,!0):decodeBitmap(!1,l,d,r,!1,null,P,m);k[b]=_}for(E=0;E<d;E++)for(B=0;B<l;B++){L=0;D=0;for(x=I-1;x>=0;x--){L=k[x][E][B]^L;D|=L<<x}M=t[D];O=f+E*p+B*u>>8;A=h+E*u-B*p>>8;if(O>=0&&O+T<=n&&A>=0&&A+C<=o)for(b=0;b<C;b++){U=g[A+b];R=M[b];for(x=0;x<T;x++)U[O+x]|=R[x]}else{let e,t;for(b=0;b<C;b++){t=A+b;if(!(t<0||t>=o)){U=g[t];R=M[b];for(x=0;x<T;x++){e=O+x;e>=0&&e<n&&(U[e]|=R[x])}}}}}return g}(e.mmr,s,e.template,a.width,a.height,e.defaultPixelValue,e.enableSkip,e.combinationOperator,e.gridWidth,e.gridHeight,e.gridOffsetX,e.gridOffsetY,e.gridVectorX,e.gridVectorY,c);this.drawBitmap(a,l)},onImmediateLosslessHalftoneRegion(){this.onImmediateHalftoneRegion.apply(this,arguments)},onTables(e,t,r,n){let o=this.customTables;o||(this.customTables=o={});o[e]=function decodeTablesSegment(e,t,r){const n=e[t],o=4294967295&(0,i.readUint32)(e,t+1),s=4294967295&(0,i.readUint32)(e,t+5),a=new Reader(e,t+9,r),c=1+(n>>1&7),l=1+(n>>4&7),d=[];let f,h,u=o;do{f=a.readBits(c);h=a.readBits(l);d.push(new HuffmanLine([u,f,h,0]));u+=1<<h}while(u<s);f=a.readBits(c);d.push(new HuffmanLine([o-1,f,32,0,"lower"]));f=a.readBits(c);d.push(new HuffmanLine([s,f,32,0]));if(1&n){f=a.readBits(c);d.push(new HuffmanLine([f,0]))}return new HuffmanTable(d,!1)}(t,r,n)}};function HuffmanLine(e){if(2===e.length){this.isOOB=!0;this.rangeLow=0;this.prefixLength=e[0];this.rangeLength=0;this.prefixCode=e[1];this.isLowerRange=!1}else{this.isOOB=!1;this.rangeLow=e[0];this.prefixLength=e[1];this.rangeLength=e[2];this.prefixCode=e[3];this.isLowerRange="lower"===e[4]}}function HuffmanTreeNode(e){this.children=[];if(e){this.isLeaf=!0;this.rangeLength=e.rangeLength;this.rangeLow=e.rangeLow;this.isLowerRange=e.isLowerRange;this.isOOB=e.isOOB}else this.isLeaf=!1}HuffmanTreeNode.prototype={buildTree(e,t){const r=e.prefixCode>>t&1;if(t<=0)this.children[r]=new HuffmanTreeNode(e);else{let n=this.children[r];n||(this.children[r]=n=new HuffmanTreeNode(null));n.buildTree(e,t-1)}},decodeNode(e){if(this.isLeaf){if(this.isOOB)return null;const t=e.readBits(this.rangeLength);return this.rangeLow+(this.isLowerRange?-t:t)}const t=this.children[e.readBit()];if(!t)throw new Jbig2Error("invalid Huffman data");return t.decodeNode(e)}};function HuffmanTable(e,t){t||this.assignPrefixCodes(e);this.rootNode=new HuffmanTreeNode(null);for(let t=0,r=e.length;t<r;t++){const r=e[t];r.prefixLength>0&&this.rootNode.buildTree(r,r.prefixLength-1)}}HuffmanTable.prototype={decode(e){return this.rootNode.decodeNode(e)},assignPrefixCodes(e){const t=e.length;let r=0;for(let n=0;n<t;n++)r=Math.max(r,e[n].prefixLength);const n=new Uint32Array(r+1);for(let r=0;r<t;r++)n[e[r].prefixLength]++;let i,o,s,a=1,c=0;n[0]=0;for(;a<=r;){c=c+n[a-1]<<1;i=c;o=0;for(;o<t;){s=e[o];if(s.prefixLength===a){s.prefixCode=i;i++}o++}a++}}};const d={};function getStandardTable(e){let t,r=d[e];if(r)return r;switch(e){case 1:t=[[0,1,4,0],[16,2,8,2],[272,3,16,6],[65808,3,32,7]];break;case 2:t=[[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[75,6,32,62],[6,63]];break;case 3:t=[[-256,8,8,254],[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[-257,8,32,255,"lower"],[75,7,32,126],[6,62]];break;case 4:t=[[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[76,5,32,31]];break;case 5:t=[[-255,7,8,126],[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[-256,7,32,127,"lower"],[76,6,32,62]];break;case 6:t=[[-2048,5,10,28],[-1024,4,9,8],[-512,4,8,9],[-256,4,7,10],[-128,5,6,29],[-64,5,5,30],[-32,4,5,11],[0,2,7,0],[128,3,7,2],[256,3,8,3],[512,4,9,12],[1024,4,10,13],[-2049,6,32,62,"lower"],[2048,6,32,63]];break;case 7:t=[[-1024,4,9,8],[-512,3,8,0],[-256,4,7,9],[-128,5,6,26],[-64,5,5,27],[-32,4,5,10],[0,4,5,11],[32,5,5,28],[64,5,6,29],[128,4,7,12],[256,3,8,1],[512,3,9,2],[1024,3,10,3],[-1025,5,32,30,"lower"],[2048,5,32,31]];break;case 8:t=[[-15,8,3,252],[-7,9,1,508],[-5,8,1,253],[-3,9,0,509],[-2,7,0,124],[-1,4,0,10],[0,2,1,0],[2,5,0,26],[3,6,0,58],[4,3,4,4],[20,6,1,59],[22,4,4,11],[38,4,5,12],[70,5,6,27],[134,5,7,28],[262,6,7,60],[390,7,8,125],[646,6,10,61],[-16,9,32,510,"lower"],[1670,9,32,511],[2,1]];break;case 9:t=[[-31,8,4,252],[-15,9,2,508],[-11,8,2,253],[-7,9,1,509],[-5,7,1,124],[-3,4,1,10],[-1,3,1,2],[1,3,1,3],[3,5,1,26],[5,6,1,58],[7,3,5,4],[39,6,2,59],[43,4,5,11],[75,4,6,12],[139,5,7,27],[267,5,8,28],[523,6,8,60],[779,7,9,125],[1291,6,11,61],[-32,9,32,510,"lower"],[3339,9,32,511],[2,0]];break;case 10:t=[[-21,7,4,122],[-5,8,0,252],[-4,7,0,123],[-3,5,0,24],[-2,2,2,0],[2,5,0,25],[3,6,0,54],[4,7,0,124],[5,8,0,253],[6,2,6,1],[70,5,5,26],[102,6,5,55],[134,6,6,56],[198,6,7,57],[326,6,8,58],[582,6,9,59],[1094,6,10,60],[2118,7,11,125],[-22,8,32,254,"lower"],[4166,8,32,255],[2,2]];break;case 11:t=[[1,1,0,0],[2,2,1,2],[4,4,0,12],[5,4,1,13],[7,5,1,28],[9,5,2,29],[13,6,2,60],[17,7,2,122],[21,7,3,123],[29,7,4,124],[45,7,5,125],[77,7,6,126],[141,7,32,127]];break;case 12:t=[[1,1,0,0],[2,2,0,2],[3,3,1,6],[5,5,0,28],[6,5,1,29],[8,6,1,60],[10,7,0,122],[11,7,1,123],[13,7,2,124],[17,7,3,125],[25,7,4,126],[41,8,5,254],[73,8,32,255]];break;case 13:t=[[1,1,0,0],[2,3,0,4],[3,4,0,12],[4,5,0,28],[5,4,1,13],[7,3,3,5],[15,6,1,58],[17,6,2,59],[21,6,3,60],[29,6,4,61],[45,6,5,62],[77,7,6,126],[141,7,32,127]];break;case 14:t=[[-2,3,0,4],[-1,3,0,5],[0,1,0,0],[1,3,0,6],[2,3,0,7]];break;case 15:t=[[-24,7,4,124],[-8,6,2,60],[-4,5,1,28],[-2,4,0,12],[-1,3,0,4],[0,1,0,0],[1,3,0,5],[2,4,0,13],[3,5,1,29],[5,6,2,61],[9,7,4,125],[-25,7,32,126,"lower"],[25,7,32,127]];break;default:throw new Jbig2Error(`standard table B.${e} does not exist`)}for(let e=0,r=t.length;e<r;e++)t[e]=new HuffmanLine(t[e]);r=new HuffmanTable(t,!0);d[e]=r;return r}function Reader(e,t,r){this.data=e;this.start=t;this.end=r;this.position=t;this.shift=-1;this.currentByte=0}Reader.prototype={readBit(){if(this.shift<0){if(this.position>=this.end)throw new Jbig2Error("end of data while reading bit");this.currentByte=this.data[this.position++];this.shift=7}const e=this.currentByte>>this.shift&1;this.shift--;return e},readBits(e){let t,r=0;for(t=e-1;t>=0;t--)r|=this.readBit()<<t;return r},byteAlign(){this.shift=-1},next(){return this.position>=this.end?-1:this.data[this.position++]}};function getCustomHuffmanTable(e,t,r){let n=0;for(let i=0,o=t.length;i<o;i++){const o=r[t[i]];if(o){if(e===n)return o;n++}}throw new Jbig2Error("can't find custom Huffman table")}function readUncompressedBitmap(e,t,r){const n=[];for(let i=0;i<r;i++){const r=new Uint8Array(t);n.push(r);for(let n=0;n<t;n++)r[n]=e.readBit();e.byteAlign()}return n}function decodeMMRBitmap(e,t,r,n){const i={K:-1,Columns:t,Rows:r,BlackIs1:!0,EndOfBlock:n},o=new s.CCITTFaxDecoder(e,i),a=[];let c,l=!1;for(let e=0;e<r;e++){const e=new Uint8Array(t);a.push(e);let r=-1;for(let n=0;n<t;n++){if(r<0){c=o.readNextChar();if(-1===c){c=0;l=!0}r=7}e[n]=c>>r&1;r--}}if(n&&!l){const e=5;for(let t=0;t<e&&-1!==o.readNextChar();t++);}return a}function Jbig2Image(){}Jbig2Image.prototype={parseChunks:e=>function parseJbig2Chunks(e){for(var t=new SimpleSegmentVisitor,r=0,n=e.length;r<n;r++){var i=e[r];processSegments(readSegments({},i.data,i.start,i.end),t)}return t.buffer}(e),parse(e){const{imgData:t,width:r,height:n}=function parseJbig2(e){const t=e.length;let r=0;if(151!==e[r]||74!==e[r+1]||66!==e[r+2]||50!==e[r+3]||13!==e[r+4]||10!==e[r+5]||26!==e[r+6]||10!==e[r+7])throw new Jbig2Error("parseJbig2 - invalid header.");const n=Object.create(null);r+=8;const o=e[r++];n.randomAccess=!(1&o);if(!(2&o)){n.numberOfPages=(0,i.readUint32)(e,r);r+=4}const s=readSegments(n,e,r,t),a=new SimpleSegmentVisitor;processSegments(s,a);const{width:c,height:l}=a.currentPageInfo,d=a.buffer,f=new Uint8ClampedArray(c*l);let h=0,u=0;for(let e=0;e<l;e++){let e,t=0;for(let r=0;r<c;r++){if(!t){t=128;e=d[u++]}f[h++]=e&t?0:255;t>>=1}}return{imgData:f,width:c,height:l}}(e);this.width=r;this.height=n;return t}};return Jbig2Image}();t.Jbig2Image=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.getLookupTableFactory=function getLookupTableFactory(e){let t;return function(){if(e){t=Object.create(null);e(t);e=null}return t}};t.getInheritableProperty=function getInheritableProperty({dict:e,key:t,getArray:r=!1,stopWhenFound:i=!0}){let o,s=0;for(;e;){const a=r?e.getArray(t):e.get(t);if(void 0!==a){if(i)return a;o||(o=[]);o.push(a)}if(++s>100){(0,n.warn)(`getInheritableProperty: maximum loop count exceeded for "${t}"`);break}e=e.get("Parent")}return o};t.toRomanNumerals=function toRomanNumerals(e,t=!1){(0,n.assert)(Number.isInteger(e)&&e>0,"The number should be a positive integer.");const r=[];let o;for(;e>=1e3;){e-=1e3;r.push("M")}o=e/100|0;e%=100;r.push(i[o]);o=e/10|0;e%=10;r.push(i[10+o]);r.push(i[20+e]);const s=r.join("");return t?s.toLowerCase():s};t.log2=function log2(e){if(e<=0)return 0;return Math.ceil(Math.log2(e))};t.readInt8=function readInt8(e,t){return e[t]<<24>>24};t.readUint16=function readUint16(e,t){return e[t]<<8|e[t+1]};t.readUint32=function readUint32(e,t){return(e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3])>>>0};t.isWhiteSpace=function isWhiteSpace(e){return 32===e||9===e||13===e||10===e};t.XRefParseException=t.XRefEntryException=t.MissingDataException=void 0;var n=r(1);class MissingDataException extends n.BaseException{constructor(e,t){super(`Missing data [${e}, ${t})`);this.begin=e;this.end=t}}t.MissingDataException=MissingDataException;class XRefEntryException extends n.BaseException{}t.XRefEntryException=XRefEntryException;class XRefParseException extends n.BaseException{}t.XRefParseException=XRefParseException;const i=["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM","","X","XX","XXX","XL","L","LX","LXX","LXXX","XC","","I","II","III","IV","V","VI","VII","VIII","IX"]},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.ArithmeticDecoder=void 0;const n=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}];t.ArithmeticDecoder=class ArithmeticDecoder{constructor(e,t,r){this.data=e;this.bp=t;this.dataEnd=r;this.chigh=e[t];this.clow=0;this.byteIn();this.chigh=this.chigh<<7&65535|this.clow>>9&127;this.clow=this.clow<<7&65535;this.ct-=7;this.a=32768}byteIn(){const e=this.data;let t=this.bp;if(255===e[t])if(e[t+1]>143){this.clow+=65280;this.ct=8}else{t++;this.clow+=e[t]<<9;this.ct=7;this.bp=t}else{t++;this.clow+=t<this.dataEnd?e[t]<<8:65280;this.ct=8;this.bp=t}if(this.clow>65535){this.chigh+=this.clow>>16;this.clow&=65535}}readBit(e,t){let r=e[t]>>1,i=1&e[t];const o=n[r],s=o.qe;let a,c=this.a-s;if(this.chigh<s)if(c<s){c=s;a=i;r=o.nmps}else{c=s;a=1^i;1===o.switchFlag&&(i=a);r=o.nlps}else{this.chigh-=s;if(0!=(32768&c)){this.a=c;return i}if(c<s){a=1^i;1===o.switchFlag&&(i=a);r=o.nlps}else{a=i;r=o.nmps}}do{0===this.ct&&this.byteIn();c<<=1;this.chigh=this.chigh<<1&65535|this.clow>>15&1;this.clow=this.clow<<1&65535;this.ct--}while(0==(32768&c));this.a=c;e[t]=r<<1|i;return a}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.CCITTFaxDecoder=void 0;var n=r(1);const i=function CCITTFaxDecoder(){const e=[[-1,-1],[-1,-1],[7,8],[7,7],[6,6],[6,6],[6,5],[6,5],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2]],t=[[-1,-1],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[12,1984],[12,2048],[12,2112],[12,2176],[12,2240],[12,2304],[11,1856],[11,1856],[11,1920],[11,1920],[12,2368],[12,2432],[12,2496],[12,2560]],r=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[8,29],[8,29],[8,30],[8,30],[8,45],[8,45],[8,46],[8,46],[7,22],[7,22],[7,22],[7,22],[7,23],[7,23],[7,23],[7,23],[8,47],[8,47],[8,48],[8,48],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[7,20],[7,20],[7,20],[7,20],[8,33],[8,33],[8,34],[8,34],[8,35],[8,35],[8,36],[8,36],[8,37],[8,37],[8,38],[8,38],[7,19],[7,19],[7,19],[7,19],[8,31],[8,31],[8,32],[8,32],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[8,53],[8,53],[8,54],[8,54],[7,26],[7,26],[7,26],[7,26],[8,39],[8,39],[8,40],[8,40],[8,41],[8,41],[8,42],[8,42],[8,43],[8,43],[8,44],[8,44],[7,21],[7,21],[7,21],[7,21],[7,28],[7,28],[7,28],[7,28],[8,61],[8,61],[8,62],[8,62],[8,63],[8,63],[8,0],[8,0],[8,320],[8,320],[8,384],[8,384],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[7,27],[7,27],[7,27],[7,27],[8,59],[8,59],[8,60],[8,60],[9,1472],[9,1536],[9,1600],[9,1728],[7,18],[7,18],[7,18],[7,18],[7,24],[7,24],[7,24],[7,24],[8,49],[8,49],[8,50],[8,50],[8,51],[8,51],[8,52],[8,52],[7,25],[7,25],[7,25],[7,25],[8,55],[8,55],[8,56],[8,56],[8,57],[8,57],[8,58],[8,58],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[8,448],[8,448],[8,512],[8,512],[9,704],[9,768],[8,640],[8,640],[8,576],[8,576],[9,832],[9,896],[9,960],[9,1024],[9,1088],[9,1152],[9,1216],[9,1280],[9,1344],[9,1408],[7,256],[7,256],[7,256],[7,256],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7]],i=[[-1,-1],[-1,-1],[12,-2],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[11,1792],[11,1792],[12,1984],[12,1984],[12,2048],[12,2048],[12,2112],[12,2112],[12,2176],[12,2176],[12,2240],[12,2240],[12,2304],[12,2304],[11,1856],[11,1856],[11,1856],[11,1856],[11,1920],[11,1920],[11,1920],[11,1920],[12,2368],[12,2368],[12,2432],[12,2432],[12,2496],[12,2496],[12,2560],[12,2560],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[12,52],[12,52],[13,640],[13,704],[13,768],[13,832],[12,55],[12,55],[12,56],[12,56],[13,1280],[13,1344],[13,1408],[13,1472],[12,59],[12,59],[12,60],[12,60],[13,1536],[13,1600],[11,24],[11,24],[11,24],[11,24],[11,25],[11,25],[11,25],[11,25],[13,1664],[13,1728],[12,320],[12,320],[12,384],[12,384],[12,448],[12,448],[13,512],[13,576],[12,53],[12,53],[12,54],[12,54],[13,896],[13,960],[13,1024],[13,1088],[13,1152],[13,1216],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64]],o=[[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[11,23],[11,23],[12,50],[12,51],[12,44],[12,45],[12,46],[12,47],[12,57],[12,58],[12,61],[12,256],[10,16],[10,16],[10,16],[10,16],[10,17],[10,17],[10,17],[10,17],[12,48],[12,49],[12,62],[12,63],[12,30],[12,31],[12,32],[12,33],[12,40],[12,41],[11,22],[11,22],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[12,128],[12,192],[12,26],[12,27],[12,28],[12,29],[11,19],[11,19],[11,20],[11,20],[12,34],[12,35],[12,36],[12,37],[12,38],[12,39],[11,21],[11,21],[12,42],[12,43],[10,0],[10,0],[10,0],[10,0],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12]],s=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[6,9],[6,8],[5,7],[5,7],[4,6],[4,6],[4,6],[4,6],[4,5],[4,5],[4,5],[4,5],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2]];function CCITTFaxDecoder(e,t={}){if(!e||"function"!=typeof e.next)throw new Error('CCITTFaxDecoder - invalid "source" parameter.');this.source=e;this.eof=!1;this.encoding=t.K||0;this.eoline=t.EndOfLine||!1;this.byteAlign=t.EncodedByteAlign||!1;this.columns=t.Columns||1728;this.rows=t.Rows||0;let r,n=t.EndOfBlock;null==n&&(n=!0);this.eoblock=n;this.black=t.BlackIs1||!1;this.codingLine=new Uint32Array(this.columns+1);this.refLine=new Uint32Array(this.columns+2);this.codingLine[0]=this.columns;this.codingPos=0;this.row=0;this.nextLine2D=this.encoding<0;this.inputBits=0;this.inputBuf=0;this.outputBits=0;this.rowsDone=!1;for(;0===(r=this._lookBits(12));)this._eatBits(1);1===r&&this._eatBits(12);if(this.encoding>0){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}}CCITTFaxDecoder.prototype={readNextChar(){if(this.eof)return-1;const e=this.refLine,t=this.codingLine,r=this.columns;let i,o,s,a,c;if(0===this.outputBits){this.rowsDone&&(this.eof=!0);if(this.eof)return-1;this.err=!1;let s,c,l;if(this.nextLine2D){for(a=0;t[a]<r;++a)e[a]=t[a];e[a++]=r;e[a]=r;t[0]=0;this.codingPos=0;i=0;o=0;for(;t[this.codingPos]<r;){s=this._getTwoDimCode();switch(s){case 0:this._addPixels(e[i+1],o);e[i+1]<r&&(i+=2);break;case 1:s=c=0;if(o){do{s+=l=this._getBlackCode()}while(l>=64);do{c+=l=this._getWhiteCode()}while(l>=64)}else{do{s+=l=this._getWhiteCode()}while(l>=64);do{c+=l=this._getBlackCode()}while(l>=64)}this._addPixels(t[this.codingPos]+s,o);t[this.codingPos]<r&&this._addPixels(t[this.codingPos]+c,1^o);for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2;break;case 7:this._addPixels(e[i]+3,o);o^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 5:this._addPixels(e[i]+2,o);o^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 3:this._addPixels(e[i]+1,o);o^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 2:this._addPixels(e[i],o);o^=1;if(t[this.codingPos]<r){++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 8:this._addPixelsNeg(e[i]-3,o);o^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 6:this._addPixelsNeg(e[i]-2,o);o^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case 4:this._addPixelsNeg(e[i]-1,o);o^=1;if(t[this.codingPos]<r){i>0?--i:++i;for(;e[i]<=t[this.codingPos]&&e[i]<r;)i+=2}break;case-1:this._addPixels(r,0);this.eof=!0;break;default:(0,n.info)("bad 2d code");this._addPixels(r,0);this.err=!0}}}else{t[0]=0;this.codingPos=0;o=0;for(;t[this.codingPos]<r;){s=0;if(o)do{s+=l=this._getBlackCode()}while(l>=64);else do{s+=l=this._getWhiteCode()}while(l>=64);this._addPixels(t[this.codingPos]+s,o);o^=1}}let d=!1;this.byteAlign&&(this.inputBits&=-8);if(this.eoblock||this.row!==this.rows-1){s=this._lookBits(12);if(this.eoline)for(;-1!==s&&1!==s;){this._eatBits(1);s=this._lookBits(12)}else for(;0===s;){this._eatBits(1);s=this._lookBits(12)}if(1===s){this._eatBits(12);d=!0}else-1===s&&(this.eof=!0)}else this.rowsDone=!0;if(!this.eof&&this.encoding>0&&!this.rowsDone){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}if(this.eoblock&&d&&this.byteAlign){s=this._lookBits(12);if(1===s){this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}if(this.encoding>=0)for(a=0;a<4;++a){s=this._lookBits(12);1!==s&&(0,n.info)("bad rtc code: "+s);this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}}this.eof=!0}}else if(this.err&&this.eoline){for(;;){s=this._lookBits(13);if(-1===s){this.eof=!0;return-1}if(s>>1==1)break;this._eatBits(1)}this._eatBits(12);if(this.encoding>0){this._eatBits(1);this.nextLine2D=!(1&s)}}t[0]>0?this.outputBits=t[this.codingPos=0]:this.outputBits=t[this.codingPos=1];this.row++}if(this.outputBits>=8){c=1&this.codingPos?0:255;this.outputBits-=8;if(0===this.outputBits&&t[this.codingPos]<r){this.codingPos++;this.outputBits=t[this.codingPos]-t[this.codingPos-1]}}else{s=8;c=0;do{if(this.outputBits>s){c<<=s;1&this.codingPos||(c|=255>>8-s);this.outputBits-=s;s=0}else{c<<=this.outputBits;1&this.codingPos||(c|=255>>8-this.outputBits);s-=this.outputBits;this.outputBits=0;if(t[this.codingPos]<r){this.codingPos++;this.outputBits=t[this.codingPos]-t[this.codingPos-1]}else if(s>0){c<<=s;s=0}}}while(s)}this.black&&(c^=255);return c},_addPixels(e,t){const r=this.codingLine;let i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,n.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}this.codingPos=i},_addPixelsNeg(e,t){const r=this.codingLine;let i=this.codingPos;if(e>r[i]){if(e>this.columns){(0,n.info)("row is wrong length");this.err=!0;e=this.columns}1&i^t&&++i;r[i]=e}else if(e<r[i]){if(e<0){(0,n.info)("invalid code");this.err=!0;e=0}for(;i>0&&e<r[i-1];)--i;r[i]=e}this.codingPos=i},_findTableCode(e,t,r,n){const i=n||0;for(let n=e;n<=t;++n){let e=this._lookBits(n);if(-1===e)return[!0,1,!1];n<t&&(e<<=t-n);if(!i||e>=i){const t=r[e-i];if(t[0]===n){this._eatBits(n);return[!0,t[1],!0]}}}return[!1,0,!1]},_getTwoDimCode(){let t,r=0;if(this.eoblock){r=this._lookBits(7);t=e[r];if(t&&t[0]>0){this._eatBits(t[0]);return t[1]}}else{const t=this._findTableCode(1,7,e);if(t[0]&&t[2])return t[1]}(0,n.info)("Bad two dim code");return-1},_getWhiteCode(){let e,i=0;if(this.eoblock){i=this._lookBits(12);if(-1===i)return 1;e=i>>5==0?t[i]:r[i>>3];if(e[0]>0){this._eatBits(e[0]);return e[1]}}else{let e=this._findTableCode(1,9,r);if(e[0])return e[1];e=this._findTableCode(11,12,t);if(e[0])return e[1]}(0,n.info)("bad white code");this._eatBits(1);return 1},_getBlackCode(){let e,t;if(this.eoblock){e=this._lookBits(13);if(-1===e)return 1;t=e>>7==0?i[e]:e>>9==0&&e>>7!=0?o[(e>>1)-64]:s[e>>7];if(t[0]>0){this._eatBits(t[0]);return t[1]}}else{let e=this._findTableCode(2,6,s);if(e[0])return e[1];e=this._findTableCode(7,12,o,64);if(e[0])return e[1];e=this._findTableCode(10,13,i);if(e[0])return e[1]}(0,n.info)("bad black code");this._eatBits(1);return 1},_lookBits(e){let t;for(;this.inputBits<e;){if(-1===(t=this.source.next()))return 0===this.inputBits?-1:this.inputBuf<<e-this.inputBits&65535>>16-e;this.inputBuf=this.inputBuf<<8|t;this.inputBits+=8}return this.inputBuf>>this.inputBits-e&65535>>16-e},_eatBits(e){(this.inputBits-=e)<0&&(this.inputBits=0)}};return CCITTFaxDecoder}();t.CCITTFaxDecoder=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpegImage=void 0;var n=r(1),i=r(5);class JpegError extends n.BaseException{constructor(e){super("JPEG error: "+e)}}class DNLMarkerError extends n.BaseException{constructor(e,t){super(e);this.scanLines=t}}class EOIMarkerError extends n.BaseException{}var o=function JpegImageClosure(){var e=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]);function JpegImage({decodeTransform:e=null,colorTransform:t=-1}={}){this._decodeTransform=e;this._colorTransform=t}function buildHuffmanTable(e,t){for(var r,n,i=0,o=[],s=16;s>0&&!e[s-1];)s--;o.push({children:[],index:0});var a,c=o[0];for(r=0;r<s;r++){for(n=0;n<e[r];n++){(c=o.pop()).children[c.index]=t[i];for(;c.index>0;)c=o.pop();c.index++;o.push(c);for(;o.length<=r;){o.push(a={children:[],index:0});c.children[c.index]=a.children;c=a}i++}if(r+1<s){o.push(a={children:[],index:0});c.children[c.index]=a.children;c=a}}return o[0].children}function getBlockBufferOffset(e,t,r){return 64*((e.blocksPerLine+1)*t+r)}function decodeScan(t,r,o,s,a,c,l,d,f,h=!1){var u=o.mcusPerLine,p=o.progressive;const m=r;let g=0,b=0;function readBit(){if(b>0){b--;return g>>b&1}g=t[r++];if(255===g){var e=t[r++];if(e){if(220===e&&h){r+=2;const e=(0,i.readUint16)(t,r);r+=2;if(e>0&&e!==o.scanLines)throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",e)}else if(217===e){if(h){const e=w*(8===o.precision?8:0);if(e>0&&Math.round(o.scanLines/e)>=10)throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, possibly caused by incorrect `scanLines` parameter",e)}throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data")}throw new JpegError("unexpected marker "+(g<<8|e).toString(16))}}b=7;return g>>>7}function decodeHuffman(e){for(var t=e;;){switch(typeof(t=t[readBit()])){case"number":return t;case"object":continue}throw new JpegError("invalid huffman sequence")}}function receive(e){for(var t=0;e>0;){t=t<<1|readBit();e--}return t}function receiveAndExtend(e){if(1===e)return 1===readBit()?1:-1;var t=receive(e);return t>=1<<e-1?t:t+(-1<<e)+1}var x=0;var y,v=0;let w=0;function decodeMcu(e,t,r,n,i){var o=r%u;w=(r/u|0)*e.v+n;var s=o*e.h+i;t(e,getBlockBufferOffset(e,w,s))}function decodeBlock(e,t,r){w=r/e.blocksPerLine|0;var n=r%e.blocksPerLine;t(e,getBlockBufferOffset(e,w,n))}var T,C,I,P,k,S,_=s.length;S=p?0===c?0===d?function decodeDCFirst(e,t){var r=decodeHuffman(e.huffmanTableDC),n=0===r?0:receiveAndExtend(r)<<f;e.blockData[t]=e.pred+=n}:function decodeDCSuccessive(e,t){e.blockData[t]|=readBit()<<f}:0===d?function decodeACFirst(t,r){if(x>0)x--;else for(var n=c,i=l;n<=i;){var o=decodeHuffman(t.huffmanTableAC),s=15&o,a=o>>4;if(0!==s){var d=e[n+=a];t.blockData[r+d]=receiveAndExtend(s)*(1<<f);n++}else{if(a<15){x=receive(a)+(1<<a)-1;break}n+=16}}}:function decodeACSuccessive(t,r){for(var n,i,o=c,s=l,a=0;o<=s;){const s=r+e[o],c=t.blockData[s]<0?-1:1;switch(v){case 0:a=(i=decodeHuffman(t.huffmanTableAC))>>4;if(0===(n=15&i))if(a<15){x=receive(a)+(1<<a);v=4}else{a=16;v=1}else{if(1!==n)throw new JpegError("invalid ACn encoding");y=receiveAndExtend(n);v=a?2:3}continue;case 1:case 2:t.blockData[s]?t.blockData[s]+=c*(readBit()<<f):0===--a&&(v=2===v?3:0);break;case 3:if(t.blockData[s])t.blockData[s]+=c*(readBit()<<f);else{t.blockData[s]=y<<f;v=0}break;case 4:t.blockData[s]&&(t.blockData[s]+=c*(readBit()<<f))}o++}4===v&&0===--x&&(v=0)}:function decodeBaseline(t,r){var n=decodeHuffman(t.huffmanTableDC),i=0===n?0:receiveAndExtend(n);t.blockData[r]=t.pred+=i;for(var o=1;o<64;){var s=decodeHuffman(t.huffmanTableAC),a=15&s,c=s>>4;if(0!==a){var l=e[o+=c];t.blockData[r+l]=receiveAndExtend(a);o++}else{if(c<15)break;o+=16}}};var E,B,L,D,M=0;B=1===_?s[0].blocksPerLine*s[0].blocksPerColumn:u*o.mcusPerColumn;for(;M<=B;){var O=a?Math.min(B-M,a):B;if(O>0){for(C=0;C<_;C++)s[C].pred=0;x=0;if(1===_){T=s[0];for(k=0;k<O;k++){decodeBlock(T,S,M);M++}}else for(k=0;k<O;k++){for(C=0;C<_;C++){L=(T=s[C]).h;D=T.v;for(I=0;I<D;I++)for(P=0;P<L;P++)decodeMcu(T,S,M,I,P)}M++}}b=0;if(!(E=findNextFileMarker(t,r)))break;if(E.invalid){const e=O>0?"unexpected":"excessive";(0,n.warn)(`decodeScan - ${e} MCU data, current marker is: ${E.invalid}`);r=E.offset}if(!(E.marker>=65488&&E.marker<=65495))break;r+=2}return r-m}function quantizeAndInverse(e,t,r){var n,i,o,s,a,c,l,d,f,h,u,p,m,g,b,x,y,v=e.quantizationTable,w=e.blockData;if(!v)throw new JpegError("missing required Quantization Table.");for(var T=0;T<64;T+=8){f=w[t+T];h=w[t+T+1];u=w[t+T+2];p=w[t+T+3];m=w[t+T+4];g=w[t+T+5];b=w[t+T+6];x=w[t+T+7];f*=v[T];if(0!=(h|u|p|m|g|b|x)){h*=v[T+1];u*=v[T+2];p*=v[T+3];m*=v[T+4];g*=v[T+5];i=(n=(n=5793*f+128>>8)+(i=5793*m+128>>8)+1>>1)-i;y=3784*(o=u)+1567*(s=b*=v[T+6])+128>>8;o=1567*o-3784*s+128>>8;l=(a=(a=2896*(h-(x*=v[T+7]))+128>>8)+(l=g<<4)+1>>1)-l;c=(d=(d=2896*(h+x)+128>>8)+(c=p<<4)+1>>1)-c;s=(n=n+(s=y)+1>>1)-s;o=(i=i+o+1>>1)-o;y=2276*a+3406*d+2048>>12;a=3406*a-2276*d+2048>>12;d=y;y=799*c+4017*l+2048>>12;c=4017*c-799*l+2048>>12;l=y;r[T]=n+d;r[T+7]=n-d;r[T+1]=i+l;r[T+6]=i-l;r[T+2]=o+c;r[T+5]=o-c;r[T+3]=s+a;r[T+4]=s-a}else{y=5793*f+512>>10;r[T]=y;r[T+1]=y;r[T+2]=y;r[T+3]=y;r[T+4]=y;r[T+5]=y;r[T+6]=y;r[T+7]=y}}for(var C=0;C<8;++C){f=r[C];if(0!=((h=r[C+8])|(u=r[C+16])|(p=r[C+24])|(m=r[C+32])|(g=r[C+40])|(b=r[C+48])|(x=r[C+56]))){i=(n=4112+((n=5793*f+2048>>12)+(i=5793*m+2048>>12)+1>>1))-i;y=3784*(o=u)+1567*(s=b)+2048>>12;o=1567*o-3784*s+2048>>12;s=y;l=(a=(a=2896*(h-x)+2048>>12)+(l=g)+1>>1)-l;c=(d=(d=2896*(h+x)+2048>>12)+(c=p)+1>>1)-c;y=2276*a+3406*d+2048>>12;a=3406*a-2276*d+2048>>12;d=y;y=799*c+4017*l+2048>>12;c=4017*c-799*l+2048>>12;(f=(n=n+s+1>>1)+d)<16?f=0:f>=4080?f=255:f>>=4;(h=(i=i+o+1>>1)+(l=y))<16?h=0:h>=4080?h=255:h>>=4;(u=(o=i-o)+c)<16?u=0:u>=4080?u=255:u>>=4;(p=(s=n-s)+a)<16?p=0:p>=4080?p=255:p>>=4;(m=s-a)<16?m=0:m>=4080?m=255:m>>=4;(g=o-c)<16?g=0:g>=4080?g=255:g>>=4;(b=i-l)<16?b=0:b>=4080?b=255:b>>=4;(x=n-d)<16?x=0:x>=4080?x=255:x>>=4;w[t+C]=f;w[t+C+8]=h;w[t+C+16]=u;w[t+C+24]=p;w[t+C+32]=m;w[t+C+40]=g;w[t+C+48]=b;w[t+C+56]=x}else{y=(y=5793*f+8192>>14)<-2040?0:y>=2024?255:y+2056>>4;w[t+C]=y;w[t+C+8]=y;w[t+C+16]=y;w[t+C+24]=y;w[t+C+32]=y;w[t+C+40]=y;w[t+C+48]=y;w[t+C+56]=y}}}function buildComponentData(e,t){for(var r=t.blocksPerLine,n=t.blocksPerColumn,i=new Int16Array(64),o=0;o<n;o++)for(var s=0;s<r;s++){quantizeAndInverse(t,getBlockBufferOffset(t,o,s),i)}return t.blockData}function findNextFileMarker(e,t,r=t){const n=e.length-1;var o=r<t?r:t;if(t>=n)return null;var s=(0,i.readUint16)(e,t);if(s>=65472&&s<=65534)return{invalid:null,marker:s,offset:t};for(var a=(0,i.readUint16)(e,o);!(a>=65472&&a<=65534);){if(++o>=n)return null;a=(0,i.readUint16)(e,o)}return{invalid:s.toString(16),marker:a,offset:o}}JpegImage.prototype={parse(t,{dnlScanLines:r=null}={}){function readDataBlock(){const e=(0,i.readUint16)(t,a);let r=(a+=2)+e-2;var o=findNextFileMarker(t,r,a);if(o&&o.invalid){(0,n.warn)("readDataBlock - incorrect length, current marker is: "+o.invalid);r=o.offset}var s=t.subarray(a,r);a+=s.length;return s}function prepareComponents(e){for(var t=Math.ceil(e.samplesPerLine/8/e.maxH),r=Math.ceil(e.scanLines/8/e.maxV),n=0;n<e.components.length;n++){M=e.components[n];var i=Math.ceil(Math.ceil(e.samplesPerLine/8)*M.h/e.maxH),o=Math.ceil(Math.ceil(e.scanLines/8)*M.v/e.maxV),s=t*M.h,a=64*(r*M.v)*(s+1);M.blockData=new Int16Array(a);M.blocksPerLine=i;M.blocksPerColumn=o}e.mcusPerLine=t;e.mcusPerColumn=r}var o,s,a=0,c=null,l=null;let d=0;var f=[],h=[],u=[];let p=(0,i.readUint16)(t,a);a+=2;if(65496!==p)throw new JpegError("SOI not found");p=(0,i.readUint16)(t,a);a+=2;e:for(;65497!==p;){var m,g,b;switch(p){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var x=readDataBlock();65504===p&&74===x[0]&&70===x[1]&&73===x[2]&&70===x[3]&&0===x[4]&&(c={version:{major:x[5],minor:x[6]},densityUnits:x[7],xDensity:x[8]<<8|x[9],yDensity:x[10]<<8|x[11],thumbWidth:x[12],thumbHeight:x[13],thumbData:x.subarray(14,14+3*x[12]*x[13])});65518===p&&65===x[0]&&100===x[1]&&111===x[2]&&98===x[3]&&101===x[4]&&(l={version:x[5]<<8|x[6],flags0:x[7]<<8|x[8],flags1:x[9]<<8|x[10],transformCode:x[11]});break;case 65499:for(var y=(0,i.readUint16)(t,a)+(a+=2)-2;a<y;){var v=t[a++],w=new Uint16Array(64);if(v>>4==0)for(g=0;g<64;g++)w[e[g]]=t[a++];else{if(v>>4!=1)throw new JpegError("DQT - invalid table spec");for(g=0;g<64;g++){w[e[g]]=(0,i.readUint16)(t,a);a+=2}}f[15&v]=w}break;case 65472:case 65473:case 65474:if(o)throw new JpegError("Only single frame JPEGs supported");a+=2;(o={}).extended=65473===p;o.progressive=65474===p;o.precision=t[a++];const z=(0,i.readUint16)(t,a);a+=2;o.scanLines=r||z;o.samplesPerLine=(0,i.readUint16)(t,a);a+=2;o.components=[];o.componentIds={};var T,C=t[a++],I=0,P=0;for(m=0;m<C;m++){T=t[a];var k=t[a+1]>>4,S=15&t[a+1];I<k&&(I=k);P<S&&(P=S);var _=t[a+2];b=o.components.push({h:k,v:S,quantizationId:_,quantizationTable:null});o.componentIds[T]=b-1;a+=3}o.maxH=I;o.maxV=P;prepareComponents(o);break;case 65476:const X=(0,i.readUint16)(t,a);a+=2;for(m=2;m<X;){var E=t[a++],B=new Uint8Array(16),L=0;for(g=0;g<16;g++,a++)L+=B[g]=t[a];var D=new Uint8Array(L);for(g=0;g<L;g++,a++)D[g]=t[a];m+=17+L;(E>>4==0?u:h)[15&E]=buildHuffmanTable(B,D)}break;case 65501:a+=2;s=(0,i.readUint16)(t,a);a+=2;break;case 65498:const j=1==++d&&!r;a+=2;var M,O=t[a++],A=[];for(m=0;m<O;m++){const e=t[a++];var R=o.componentIds[e];(M=o.components[R]).index=e;var U=t[a++];M.huffmanTableDC=u[U>>4];M.huffmanTableAC=h[15&U];A.push(M)}var F=t[a++],N=t[a++],H=t[a++];try{var J=decodeScan(t,a,o,A,s,F,N,H>>4,15&H,j);a+=J}catch(e){if(e instanceof DNLMarkerError){(0,n.warn)(e.message+" -- attempting to re-parse the JPEG image.");return this.parse(t,{dnlScanLines:e.scanLines})}if(e instanceof EOIMarkerError){(0,n.warn)(e.message+" -- ignoring the rest of the image data.");break e}throw e}break;case 65500:a+=4;break;case 65535:255!==t[a]&&a--;break;default:const q=findNextFileMarker(t,a-2,a-3);if(q&&q.invalid){(0,n.warn)("JpegImage.parse - unexpected data, current marker is: "+q.invalid);a=q.offset;break}if(a>=t.length-1){(0,n.warn)("JpegImage.parse - reached the end of the image data without finding an EOI marker (0xFFD9).");break e}throw new JpegError("JpegImage.parse - unknown marker: "+p.toString(16))}p=(0,i.readUint16)(t,a);a+=2}this.width=o.samplesPerLine;this.height=o.scanLines;this.jfif=c;this.adobe=l;this.components=[];for(m=0;m<o.components.length;m++){var z=f[(M=o.components[m]).quantizationId];z&&(M.quantizationTable=z);this.components.push({index:M.index,output:buildComponentData(0,M),scaleX:M.h/o.maxH,scaleY:M.v/o.maxV,blocksPerLine:M.blocksPerLine,blocksPerColumn:M.blocksPerColumn})}this.numComponents=this.components.length},_getLinearizedBlockData(e,t,r=!1){var n,i,o,s,a,c,l,d,f,h,u,p=this.width/e,m=this.height/t,g=0,b=this.components.length,x=e*t*b,y=new Uint8ClampedArray(x),v=new Uint32Array(e);let w;for(l=0;l<b;l++){i=(n=this.components[l]).scaleX*p;o=n.scaleY*m;g=l;u=n.output;s=n.blocksPerLine+1<<3;if(i!==w){for(a=0;a<e;a++){d=0|a*i;v[a]=(4294967288&d)<<3|7&d}w=i}for(c=0;c<t;c++){h=s*(4294967288&(d=0|c*o))|(7&d)<<3;for(a=0;a<e;a++){y[g]=u[h+v[a]];g+=b}}}let T=this._decodeTransform;r||4!==b||T||(T=new Int32Array([-256,255,-256,255,-256,255,-256,255]));if(T)for(l=0;l<x;)for(d=0,f=0;d<b;d++,l++,f+=2)y[l]=(y[l]*T[f]>>8)+T[f+1];return y},get _isColorConversionNeeded(){return this.adobe?!!this.adobe.transformCode:3===this.numComponents?0!==this._colorTransform&&(82!==this.components[0].index||71!==this.components[1].index||66!==this.components[2].index):1===this._colorTransform},_convertYccToRgb:function convertYccToRgb(e){for(var t,r,n,i=0,o=e.length;i<o;i+=3){t=e[i];r=e[i+1];n=e[i+2];e[i]=t-179.456+1.402*n;e[i+1]=t+135.459-.344*r-.714*n;e[i+2]=t-226.816+1.772*r}return e},_convertYcckToRgb:function convertYcckToRgb(e){for(var t,r,n,i,o=0,s=0,a=e.length;s<a;s+=4){t=e[s];r=e[s+1];n=e[s+2];i=e[s+3];e[o++]=r*(-660635669420364e-19*r+.000437130475926232*n-54080610064599e-18*t+.00048449797120281*i-.154362151871126)-122.67195406894+n*(-.000957964378445773*n+.000817076911346625*t-.00477271405408747*i+1.53380253221734)+t*(.000961250184130688*t-.00266257332283933*i+.48357088451265)+i*(-.000336197177618394*i+.484791561490776);e[o++]=107.268039397724+r*(219927104525741e-19*r-.000640992018297945*n+.000659397001245577*t+.000426105652938837*i-.176491792462875)+n*(-.000778269941513683*n+.00130872261408275*t+.000770482631801132*i-.151051492775562)+t*(.00126935368114843*t-.00265090189010898*i+.25802910206845)+i*(-.000318913117588328*i-.213742400323665);e[o++]=r*(-.000570115196973677*r-263409051004589e-19*n+.0020741088115012*t-.00288260236853442*i+.814272968359295)-20.810012546947+n*(-153496057440975e-19*n-.000132689043961446*t+.000560833691242812*i-.195152027534049)+t*(.00174418132927582*t-.00255243321439347*i+.116935020465145)+i*(-.000343531996510555*i+.24165260232407)}return e.subarray(0,o)},_convertYcckToCmyk:function convertYcckToCmyk(e){for(var t,r,n,i=0,o=e.length;i<o;i+=4){t=e[i];r=e[i+1];n=e[i+2];e[i]=434.456-t-1.402*n;e[i+1]=119.541-t+.344*r+.714*n;e[i+2]=481.816-t-1.772*r}return e},_convertCmykToRgb:function convertCmykToRgb(e){for(var t,r,n,i,o=0,s=0,a=e.length;s<a;s+=4){t=e[s];r=e[s+1];n=e[s+2];i=e[s+3];e[o++]=255+t*(-6747147073602441e-20*t+.0008379262121013727*r+.0002894718188643294*n+.003264231057537806*i-1.1185611867203937)+r*(26374107616089405e-21*r-8626949158638572e-20*n-.0002748769067499491*i-.02155688794978967)+n*(-3878099212869363e-20*n-.0003267808279485286*i+.0686742238595345)-i*(.0003361971776183937*i+.7430659151342254);e[o++]=255+t*(.00013596372813588848*t+.000924537132573585*r+.00010567359618683593*n+.0004791864687436512*i-.3109689587515875)+r*(-.00023545346108370344*r+.0002702845253534714*n+.0020200308977307156*i-.7488052167015494)+n*(6834815998235662e-20*n+.00015168452363460973*i-.09751927774728933)-i*(.0003189131175883281*i+.7364883807733168);e[o++]=255+t*(13598650411385307e-21*t+.00012423956175490851*r+.0004751985097583589*n-36729317476630422e-22*i-.05562186980264034)+r*(.00016141380598724676*r+.0009692239130725186*n+.0007782692450036253*i-.44015232367526463)+n*(5.068882914068769e-7*n+.0017778369011375071*i-.7591454649749609)-i*(.0003435319965105553*i+.7063770186160144)}return e.subarray(0,o)},getData({width:e,height:t,forceRGB:r=!1,isSourcePDF:n=!1}){if(this.numComponents>4)throw new JpegError("Unsupported color mode");var i=this._getLinearizedBlockData(e,t,n);if(1===this.numComponents&&r){for(var o=i.length,s=new Uint8ClampedArray(3*o),a=0,c=0;c<o;c++){var l=i[c];s[a++]=l;s[a++]=l;s[a++]=l}return s}if(3===this.numComponents&&this._isColorConversionNeeded)return this._convertYccToRgb(i);if(4===this.numComponents){if(this._isColorConversionNeeded)return r?this._convertYcckToRgb(i):this._convertYcckToCmyk(i);if(r)return this._convertCmykToRgb(i)}return i}};return JpegImage}();t.JpegImage=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.JpxImage=void 0;var n=r(1),i=r(5),o=r(6);class JpxError extends n.BaseException{constructor(e){super("JPX error: "+e)}}var s=function JpxImageClosure(){var e={LL:0,LH:1,HL:1,HH:2};function JpxImage(){this.failOnCorruptedImage=!1}JpxImage.prototype={parse:function JpxImage_parse(e){if(65359!==(0,i.readUint16)(e,0))for(var t=0,r=e.length;t<r;){var o=8,s=(0,i.readUint32)(e,t),a=(0,i.readUint32)(e,t+4);t+=o;if(1===s){s=4294967296*(0,i.readUint32)(e,t)+(0,i.readUint32)(e,t+4);t+=8;o+=8}0===s&&(s=r-t+o);if(s<o)throw new JpxError("Invalid box field size");var c=s-o,l=!0;switch(a){case 1785737832:l=!1;break;case 1668246642:var d=e[t];if(1===d){var f=(0,i.readUint32)(e,t+3);switch(f){case 16:case 17:case 18:break;default:(0,n.warn)("Unknown colorspace "+f)}}else 2===d&&(0,n.info)("ICC profile not supported");break;case 1785737827:this.parseCodestream(e,t,t+c);break;case 1783636e3:218793738!==(0,i.readUint32)(e,t)&&(0,n.warn)("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var h=String.fromCharCode(a>>24&255,a>>16&255,a>>8&255,255&a);(0,n.warn)("Unsupported header type "+a+" ("+h+")")}l&&(t+=c)}else this.parseCodestream(e,0,e.length)},parseImageProperties:function JpxImage_parseImageProperties(e){for(var t=e.getByte();t>=0;){if(65361===(t<<8|(t=e.getByte()))){e.skip(4);var r=e.getInt32()>>>0,n=e.getInt32()>>>0,i=e.getInt32()>>>0,o=e.getInt32()>>>0;e.skip(16);var s=e.getUint16();this.width=r-i;this.height=n-o;this.componentsCount=s;this.bitsPerComponent=8;return}}throw new JpxError("No size marker found in JPX stream")},parseCodestream:function JpxImage_parseCodestream(e,t,r){var o={},s=!1;try{for(var a=t;a+1<r;){var c=(0,i.readUint16)(e,a);a+=2;var l,d,f,h,u,p,m=0;switch(c){case 65359:o.mainHeader=!0;break;case 65497:break;case 65361:m=(0,i.readUint16)(e,a);var g={};g.Xsiz=(0,i.readUint32)(e,a+4);g.Ysiz=(0,i.readUint32)(e,a+8);g.XOsiz=(0,i.readUint32)(e,a+12);g.YOsiz=(0,i.readUint32)(e,a+16);g.XTsiz=(0,i.readUint32)(e,a+20);g.YTsiz=(0,i.readUint32)(e,a+24);g.XTOsiz=(0,i.readUint32)(e,a+28);g.YTOsiz=(0,i.readUint32)(e,a+32);var b=(0,i.readUint16)(e,a+36);g.Csiz=b;var x=[];l=a+38;for(var y=0;y<b;y++){var v={precision:1+(127&e[l]),isSigned:!!(128&e[l]),XRsiz:e[l+1],YRsiz:e[l+2]};l+=3;calculateComponentDimensions(v,g);x.push(v)}o.SIZ=g;o.components=x;calculateTileGrids(o,x);o.QCC=[];o.COC=[];break;case 65372:m=(0,i.readUint16)(e,a);var w={};l=a+2;switch(31&(d=e[l++])){case 0:h=8;u=!0;break;case 1:h=16;u=!1;break;case 2:h=16;u=!0;break;default:throw new Error("Invalid SQcd value "+d)}w.noQuantization=8===h;w.scalarExpounded=u;w.guardBits=d>>5;f=[];for(;l<m+a;){var T={};if(8===h){T.epsilon=e[l++]>>3;T.mu=0}else{T.epsilon=e[l]>>3;T.mu=(7&e[l])<<8|e[l+1];l+=2}f.push(T)}w.SPqcds=f;if(o.mainHeader)o.QCD=w;else{o.currentTile.QCD=w;o.currentTile.QCC=[]}break;case 65373:m=(0,i.readUint16)(e,a);var C,I={};l=a+2;if(o.SIZ.Csiz<257)C=e[l++];else{C=(0,i.readUint16)(e,l);l+=2}switch(31&(d=e[l++])){case 0:h=8;u=!0;break;case 1:h=16;u=!1;break;case 2:h=16;u=!0;break;default:throw new Error("Invalid SQcd value "+d)}I.noQuantization=8===h;I.scalarExpounded=u;I.guardBits=d>>5;f=[];for(;l<m+a;){T={};if(8===h){T.epsilon=e[l++]>>3;T.mu=0}else{T.epsilon=e[l]>>3;T.mu=(7&e[l])<<8|e[l+1];l+=2}f.push(T)}I.SPqcds=f;o.mainHeader?o.QCC[C]=I:o.currentTile.QCC[C]=I;break;case 65362:m=(0,i.readUint16)(e,a);var P={};l=a+2;var k=e[l++];P.entropyCoderWithCustomPrecincts=!!(1&k);P.sopMarkerUsed=!!(2&k);P.ephMarkerUsed=!!(4&k);P.progressionOrder=e[l++];P.layersCount=(0,i.readUint16)(e,l);l+=2;P.multipleComponentTransform=e[l++];P.decompositionLevelsCount=e[l++];P.xcb=2+(15&e[l++]);P.ycb=2+(15&e[l++]);var S=e[l++];P.selectiveArithmeticCodingBypass=!!(1&S);P.resetContextProbabilities=!!(2&S);P.terminationOnEachCodingPass=!!(4&S);P.verticallyStripe=!!(8&S);P.predictableTermination=!!(16&S);P.segmentationSymbolUsed=!!(32&S);P.reversibleTransformation=e[l++];if(P.entropyCoderWithCustomPrecincts){for(var _=[];l<m+a;){var E=e[l++];_.push({PPx:15&E,PPy:E>>4})}P.precinctsSizes=_}var B=[];P.selectiveArithmeticCodingBypass&&B.push("selectiveArithmeticCodingBypass");P.resetContextProbabilities&&B.push("resetContextProbabilities");P.terminationOnEachCodingPass&&B.push("terminationOnEachCodingPass");P.verticallyStripe&&B.push("verticallyStripe");P.predictableTermination&&B.push("predictableTermination");if(B.length>0){s=!0;throw new Error("Unsupported COD options ("+B.join(", ")+")")}if(o.mainHeader)o.COD=P;else{o.currentTile.COD=P;o.currentTile.COC=[]}break;case 65424:m=(0,i.readUint16)(e,a);(p={}).index=(0,i.readUint16)(e,a+2);p.length=(0,i.readUint32)(e,a+4);p.dataEnd=p.length+a-2;p.partIndex=e[a+8];p.partsCount=e[a+9];o.mainHeader=!1;if(0===p.partIndex){p.COD=o.COD;p.COC=o.COC.slice(0);p.QCD=o.QCD;p.QCC=o.QCC.slice(0)}o.currentTile=p;break;case 65427:if(0===(p=o.currentTile).partIndex){initializeTile(o,p.index);buildPackets(o)}parseTilePackets(o,e,a,m=p.dataEnd-a);break;case 65365:case 65367:case 65368:case 65380:m=(0,i.readUint16)(e,a);break;case 65363:throw new Error("Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("Unknown codestream code: "+c.toString(16))}a+=m}}catch(e){if(s||this.failOnCorruptedImage)throw new JpxError(e.message);(0,n.warn)("JPX: Trying to recover from: "+e.message)}this.tiles=function transformComponents(e){for(var t=e.SIZ,r=e.components,n=t.Csiz,i=[],o=0,s=e.tiles.length;o<s;o++){var a,c=e.tiles[o],l=[];for(a=0;a<n;a++)l[a]=transformTile(e,c,a);var d,f,h,u,p,m,g,b=l[0],x=new Uint8ClampedArray(b.items.length*n),y={left:b.left,top:b.top,width:b.width,height:b.height,items:x},v=0;if(c.codingStyleDefaultParameters.multipleComponentTransform){var w=4===n,T=l[0].items,C=l[1].items,I=l[2].items,P=w?l[3].items:null;d=r[0].precision-8;f=.5+(128<<d);var k=c.components[0],S=n-3;u=T.length;if(k.codingStyleParameters.reversibleTransformation)for(h=0;h<u;h++,v+=S){p=T[h]+f;m=C[h];g=I[h];const e=p-(g+m>>2);x[v++]=e+g>>d;x[v++]=e>>d;x[v++]=e+m>>d}else for(h=0;h<u;h++,v+=S){p=T[h]+f;m=C[h];g=I[h];x[v++]=p+1.402*g>>d;x[v++]=p-.34413*m-.71414*g>>d;x[v++]=p+1.772*m>>d}if(w)for(h=0,v=3;h<u;h++,v+=4)x[v]=P[h]+f>>d}else for(a=0;a<n;a++){var _=l[a].items;d=r[a].precision-8;f=.5+(128<<d);for(v=a,h=0,u=_.length;h<u;h++){x[v]=_[h]+f>>d;v+=n}}i.push(y)}return i}(o);this.width=o.SIZ.Xsiz-o.SIZ.XOsiz;this.height=o.SIZ.Ysiz-o.SIZ.YOsiz;this.componentsCount=o.SIZ.Csiz}};function calculateComponentDimensions(e,t){e.x0=Math.ceil(t.XOsiz/e.XRsiz);e.x1=Math.ceil(t.Xsiz/e.XRsiz);e.y0=Math.ceil(t.YOsiz/e.YRsiz);e.y1=Math.ceil(t.Ysiz/e.YRsiz);e.width=e.x1-e.x0;e.height=e.y1-e.y0}function calculateTileGrids(e,t){for(var r,n=e.SIZ,i=[],o=Math.ceil((n.Xsiz-n.XTOsiz)/n.XTsiz),s=Math.ceil((n.Ysiz-n.YTOsiz)/n.YTsiz),a=0;a<s;a++)for(var c=0;c<o;c++){(r={}).tx0=Math.max(n.XTOsiz+c*n.XTsiz,n.XOsiz);r.ty0=Math.max(n.YTOsiz+a*n.YTsiz,n.YOsiz);r.tx1=Math.min(n.XTOsiz+(c+1)*n.XTsiz,n.Xsiz);r.ty1=Math.min(n.YTOsiz+(a+1)*n.YTsiz,n.Ysiz);r.width=r.tx1-r.tx0;r.height=r.ty1-r.ty0;r.components=[];i.push(r)}e.tiles=i;for(var l=0,d=n.Csiz;l<d;l++)for(var f=t[l],h=0,u=i.length;h<u;h++){var p={};r=i[h];p.tcx0=Math.ceil(r.tx0/f.XRsiz);p.tcy0=Math.ceil(r.ty0/f.YRsiz);p.tcx1=Math.ceil(r.tx1/f.XRsiz);p.tcy1=Math.ceil(r.ty1/f.YRsiz);p.width=p.tcx1-p.tcx0;p.height=p.tcy1-p.tcy0;r.components[l]=p}}function getBlocksDimensions(e,t,r){var n=t.codingStyleParameters,i={};if(n.entropyCoderWithCustomPrecincts){i.PPx=n.precinctsSizes[r].PPx;i.PPy=n.precinctsSizes[r].PPy}else{i.PPx=15;i.PPy=15}i.xcb_=r>0?Math.min(n.xcb,i.PPx-1):Math.min(n.xcb,i.PPx);i.ycb_=r>0?Math.min(n.ycb,i.PPy-1):Math.min(n.ycb,i.PPy);return i}function buildPrecincts(e,t,r){var n=1<<r.PPx,i=1<<r.PPy,o=0===t.resLevel,s=1<<r.PPx+(o?0:-1),a=1<<r.PPy+(o?0:-1),c=t.trx1>t.trx0?Math.ceil(t.trx1/n)-Math.floor(t.trx0/n):0,l=t.try1>t.try0?Math.ceil(t.try1/i)-Math.floor(t.try0/i):0,d=c*l;t.precinctParameters={precinctWidth:n,precinctHeight:i,numprecinctswide:c,numprecinctshigh:l,numprecincts:d,precinctWidthInSubband:s,precinctHeightInSubband:a}}function buildCodeblocks(e,t,r){var n,i,o,s,a=r.xcb_,c=r.ycb_,l=1<<a,d=1<<c,f=t.tbx0>>a,h=t.tby0>>c,u=t.tbx1+l-1>>a,p=t.tby1+d-1>>c,m=t.resolution.precinctParameters,g=[],b=[];for(i=h;i<p;i++)for(n=f;n<u;n++){(o={cbx:n,cby:i,tbx0:l*n,tby0:d*i,tbx1:l*(n+1),tby1:d*(i+1)}).tbx0_=Math.max(t.tbx0,o.tbx0);o.tby0_=Math.max(t.tby0,o.tby0);o.tbx1_=Math.min(t.tbx1,o.tbx1);o.tby1_=Math.min(t.tby1,o.tby1);s=Math.floor((o.tbx0_-t.tbx0)/m.precinctWidthInSubband)+Math.floor((o.tby0_-t.tby0)/m.precinctHeightInSubband)*m.numprecinctswide;o.precinctNumber=s;o.subbandType=t.type;o.Lblock=3;if(!(o.tbx1_<=o.tbx0_||o.tby1_<=o.tby0_)){g.push(o);var x=b[s];if(void 0!==x){n<x.cbxMin?x.cbxMin=n:n>x.cbxMax&&(x.cbxMax=n);i<x.cbyMin?x.cbxMin=i:i>x.cbyMax&&(x.cbyMax=i)}else b[s]=x={cbxMin:n,cbyMin:i,cbxMax:n,cbyMax:i};o.precinct=x}}t.codeblockParameters={codeblockWidth:a,codeblockHeight:c,numcodeblockwide:u-f+1,numcodeblockhigh:p-h+1};t.codeblocks=g;t.precincts=b}function createPacket(e,t,r){for(var n=[],i=e.subbands,o=0,s=i.length;o<s;o++)for(var a=i[o].codeblocks,c=0,l=a.length;c<l;c++){var d=a[c];d.precinctNumber===t&&n.push(d)}return{layerNumber:r,codeblocks:n}}function LayerResolutionComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=0,a=0;a<o;a++)s=Math.max(s,n.components[a].codingStyleParameters.decompositionLevelsCount);var c=0,l=0,d=0,f=0;this.nextPacket=function JpxImage_nextPacket(){for(;c<i;c++){for(;l<=s;l++){for(;d<o;d++){var e=n.components[d];if(!(l>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[l],r=t.precinctParameters.numprecincts;f<r;){var a=createPacket(t,f,c);f++;return a}f=0}}d=0}l=0}throw new JpxError("Out of packets")}}function ResolutionLayerComponentPositionIterator(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=0,a=0;a<o;a++)s=Math.max(s,n.components[a].codingStyleParameters.decompositionLevelsCount);var c=0,l=0,d=0,f=0;this.nextPacket=function JpxImage_nextPacket(){for(;c<=s;c++){for(;l<i;l++){for(;d<o;d++){var e=n.components[d];if(!(c>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[c],r=t.precinctParameters.numprecincts;f<r;){var a=createPacket(t,f,l);f++;return a}f=0}}d=0}l=0}throw new JpxError("Out of packets")}}function ResolutionPositionComponentLayerIterator(e){var t,r,n,i,o=e.SIZ,s=e.currentTile.index,a=e.tiles[s],c=a.codingStyleDefaultParameters.layersCount,l=o.Csiz,d=0;for(n=0;n<l;n++){const e=a.components[n];d=Math.max(d,e.codingStyleParameters.decompositionLevelsCount)}var f=new Int32Array(d+1);for(r=0;r<=d;++r){var h=0;for(n=0;n<l;++n){var u=a.components[n].resolutions;r<u.length&&(h=Math.max(h,u[r].precinctParameters.numprecincts))}f[r]=h}t=0;r=0;n=0;i=0;this.nextPacket=function JpxImage_nextPacket(){for(;r<=d;r++){for(;i<f[r];i++){for(;n<l;n++){const l=a.components[n];if(!(r>l.codingStyleParameters.decompositionLevelsCount)){var e=l.resolutions[r],o=e.precinctParameters.numprecincts;if(!(i>=o)){for(;t<c;){var s=createPacket(e,i,t);t++;return s}t=0}}}n=0}i=0}throw new JpxError("Out of packets")}}function PositionComponentResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=getPrecinctSizesInImageScale(n),a=s,c=0,l=0,d=0,f=0,h=0;this.nextPacket=function JpxImage_nextPacket(){for(;h<a.maxNumHigh;h++){for(;f<a.maxNumWide;f++){for(;d<o;d++){for(var e=n.components[d],t=e.codingStyleParameters.decompositionLevelsCount;l<=t;l++){var r=e.resolutions[l],u=s.components[d].resolutions[l],p=getPrecinctIndexIfExist(f,h,u,a,r);if(null!==p){for(;c<i;){var m=createPacket(r,p,c);c++;return m}c=0}}l=0}d=0}f=0}throw new JpxError("Out of packets")}}function ComponentPositionResolutionLayerIterator(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,o=t.Csiz,s=getPrecinctSizesInImageScale(n),a=0,c=0,l=0,d=0,f=0;this.nextPacket=function JpxImage_nextPacket(){for(;l<o;++l){for(var e=n.components[l],t=s.components[l],r=e.codingStyleParameters.decompositionLevelsCount;f<t.maxNumHigh;f++){for(;d<t.maxNumWide;d++){for(;c<=r;c++){var h=e.resolutions[c],u=t.resolutions[c],p=getPrecinctIndexIfExist(d,f,u,t,h);if(null!==p){for(;a<i;){var m=createPacket(h,p,a);a++;return m}a=0}}c=0}d=0}f=0}throw new JpxError("Out of packets")}}function getPrecinctIndexIfExist(e,t,r,n,i){var o=e*n.minWidth,s=t*n.minHeight;if(o%r.width!=0||s%r.height!=0)return null;var a=s/r.width*i.precinctParameters.numprecinctswide;return o/r.height+a}function getPrecinctSizesInImageScale(e){for(var t=e.components.length,r=Number.MAX_VALUE,n=Number.MAX_VALUE,i=0,o=0,s=new Array(t),a=0;a<t;a++){for(var c=e.components[a],l=c.codingStyleParameters.decompositionLevelsCount,d=new Array(l+1),f=Number.MAX_VALUE,h=Number.MAX_VALUE,u=0,p=0,m=1,g=l;g>=0;--g){var b=c.resolutions[g],x=m*b.precinctParameters.precinctWidth,y=m*b.precinctParameters.precinctHeight;f=Math.min(f,x);h=Math.min(h,y);u=Math.max(u,b.precinctParameters.numprecinctswide);p=Math.max(p,b.precinctParameters.numprecinctshigh);d[g]={width:x,height:y};m<<=1}r=Math.min(r,f);n=Math.min(n,h);i=Math.max(i,u);o=Math.max(o,p);s[a]={resolutions:d,minWidth:f,minHeight:h,maxNumWide:u,maxNumHigh:p}}return{components:s,minWidth:r,minHeight:n,maxNumWide:i,maxNumHigh:o}}function buildPackets(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=t.Csiz,o=0;o<i;o++){for(var s=n.components[o],a=s.codingStyleParameters.decompositionLevelsCount,c=[],l=[],d=0;d<=a;d++){var f,h=getBlocksDimensions(0,s,d),u={},p=1<<a-d;u.trx0=Math.ceil(s.tcx0/p);u.try0=Math.ceil(s.tcy0/p);u.trx1=Math.ceil(s.tcx1/p);u.try1=Math.ceil(s.tcy1/p);u.resLevel=d;buildPrecincts(0,u,h);c.push(u);if(0===d){(f={}).type="LL";f.tbx0=Math.ceil(s.tcx0/p);f.tby0=Math.ceil(s.tcy0/p);f.tbx1=Math.ceil(s.tcx1/p);f.tby1=Math.ceil(s.tcy1/p);f.resolution=u;buildCodeblocks(0,f,h);l.push(f);u.subbands=[f]}else{var m=1<<a-d+1,g=[];(f={}).type="HL";f.tbx0=Math.ceil(s.tcx0/m-.5);f.tby0=Math.ceil(s.tcy0/m);f.tbx1=Math.ceil(s.tcx1/m-.5);f.tby1=Math.ceil(s.tcy1/m);f.resolution=u;buildCodeblocks(0,f,h);l.push(f);g.push(f);(f={}).type="LH";f.tbx0=Math.ceil(s.tcx0/m);f.tby0=Math.ceil(s.tcy0/m-.5);f.tbx1=Math.ceil(s.tcx1/m);f.tby1=Math.ceil(s.tcy1/m-.5);f.resolution=u;buildCodeblocks(0,f,h);l.push(f);g.push(f);(f={}).type="HH";f.tbx0=Math.ceil(s.tcx0/m-.5);f.tby0=Math.ceil(s.tcy0/m-.5);f.tbx1=Math.ceil(s.tcx1/m-.5);f.tby1=Math.ceil(s.tcy1/m-.5);f.resolution=u;buildCodeblocks(0,f,h);l.push(f);g.push(f);u.subbands=g}}s.resolutions=c;s.subbands=l}var b=n.codingStyleDefaultParameters.progressionOrder;switch(b){case 0:n.packetsIterator=new LayerResolutionComponentPositionIterator(e);break;case 1:n.packetsIterator=new ResolutionLayerComponentPositionIterator(e);break;case 2:n.packetsIterator=new ResolutionPositionComponentLayerIterator(e);break;case 3:n.packetsIterator=new PositionComponentResolutionLayerIterator(e);break;case 4:n.packetsIterator=new ComponentPositionResolutionLayerIterator(e);break;default:throw new JpxError("Unsupported progression order "+b)}}function parseTilePackets(e,n,o,s){var a,c=0,l=0,d=!1;function readBits(e){for(;l<e;){var t=n[o+c];c++;if(d){a=a<<7|t;l+=7;d=!1}else{a=a<<8|t;l+=8}255===t&&(d=!0)}return a>>>(l-=e)&(1<<e)-1}function skipMarkerIfEqual(e){if(255===n[o+c-1]&&n[o+c]===e){skipBytes(1);return!0}if(255===n[o+c]&&n[o+c+1]===e){skipBytes(2);return!0}return!1}function skipBytes(e){c+=e}function alignToByte(){l=0;if(d){c++;d=!1}}function readCodingpasses(){if(0===readBits(1))return 1;if(0===readBits(1))return 2;var e=readBits(2);return e<3?e+3:(e=readBits(5))<31?e+6:(e=readBits(7))+37}for(var f=e.currentTile.index,h=e.tiles[f],u=e.COD.sopMarkerUsed,p=e.COD.ephMarkerUsed,m=h.packetsIterator;c<s;){alignToByte();u&&skipMarkerIfEqual(145)&&skipBytes(4);var g=m.nextPacket();if(readBits(1)){for(var b,x=g.layerNumber,y=[],v=0,w=g.codeblocks.length;v<w;v++){var T=(b=g.codeblocks[v]).precinct,C=b.cbx-T.cbxMin,I=b.cby-T.cbyMin,P=!1,k=!1;if(void 0!==b.included)P=!!readBits(1);else{var S,_;if(void 0!==(T=b.precinct).inclusionTree)S=T.inclusionTree;else{var E=T.cbxMax-T.cbxMin+1,B=T.cbyMax-T.cbyMin+1;S=new r(E,B,x);_=new t(E,B);T.inclusionTree=S;T.zeroBitPlanesTree=_}if(S.reset(C,I,x))for(;;){if(!readBits(1)){S.incrementValue(x);break}if(!S.nextLevel()){b.included=!0;P=k=!0;break}}}if(P){if(k){(_=T.zeroBitPlanesTree).reset(C,I);for(;;)if(readBits(1)){if(!_.nextLevel())break}else _.incrementValue();b.zeroBitPlanes=_.value}for(var L=readCodingpasses();readBits(1);)b.Lblock++;var D=(0,i.log2)(L),M=readBits((L<1<<D?D-1:D)+b.Lblock);y.push({codeblock:b,codingpasses:L,dataLength:M})}}alignToByte();p&&skipMarkerIfEqual(146);for(;y.length>0;){var O=y.shift();void 0===(b=O.codeblock).data&&(b.data=[]);b.data.push({data:n,start:o+c,end:o+c+O.dataLength,codingpasses:O.codingpasses});c+=O.dataLength}}}return c}function copyCoefficients(e,t,r,n,i,a,c,l){for(var d=n.tbx0,f=n.tby0,h=n.tbx1-n.tbx0,u=n.codeblocks,p="H"===n.type.charAt(0)?1:0,m="H"===n.type.charAt(1)?t:0,g=0,b=u.length;g<b;++g){var x=u[g],y=x.tbx1_-x.tbx0_,v=x.tby1_-x.tby0_;if(0!==y&&0!==v&&void 0!==x.data){var w,T;w=new s(y,v,x.subbandType,x.zeroBitPlanes,a);T=2;var C,I,P,k=x.data,S=0,_=0;for(C=0,I=k.length;C<I;C++){S+=(P=k[C]).end-P.start;_+=P.codingpasses}var E=new Uint8Array(S),B=0;for(C=0,I=k.length;C<I;C++){var L=(P=k[C]).data.subarray(P.start,P.end);E.set(L,B);B+=L.length}var D=new o.ArithmeticDecoder(E,0,S);w.setDecoder(D);for(C=0;C<_;C++){switch(T){case 0:w.runSignificancePropagationPass();break;case 1:w.runMagnitudeRefinementPass();break;case 2:w.runCleanupPass();l&&w.checkSegmentationSymbol()}T=(T+1)%3}var M,O,A,R=x.tbx0_-d+(x.tby0_-f)*h,U=w.coefficentsSign,F=w.coefficentsMagnitude,N=w.bitsDecoded,H=c?0:.5;B=0;var J="LL"!==n.type;for(C=0;C<v;C++){var z=2*(R/h|0)*(t-h)+p+m;for(M=0;M<y;M++){if(0!==(O=F[B])){O=(O+H)*i;0!==U[B]&&(O=-O);A=N[B];var X=J?z+(R<<1):R;e[X]=c&&A>=a?O:O*(1<<a-A)}R++;B++}R+=h-y}}}}function transformTile(t,r,n){for(var i=r.components[n],o=i.codingStyleParameters,s=i.quantizationParameters,a=o.decompositionLevelsCount,d=s.SPqcds,f=s.scalarExpounded,h=s.guardBits,u=o.segmentationSymbolUsed,p=t.components[n].precision,m=o.reversibleTransformation,g=m?new l:new c,b=[],x=0,y=0;y<=a;y++){for(var v=i.resolutions[y],w=v.trx1-v.trx0,T=v.try1-v.try0,C=new Float32Array(w*T),I=0,P=v.subbands.length;I<P;I++){var k,S;if(f){k=d[x].mu;S=d[x].epsilon;x++}else{k=d[0].mu;S=d[0].epsilon+(y>0?1-y:0)}var _=v.subbands[I],E=e[_.type];copyCoefficients(C,w,0,_,m?1:2**(p+E-S)*(1+k/2048),h+S-1,m,u)}b.push({width:w,height:T,items:C})}var B=g.calculate(b,i.tcx0,i.tcy0);return{left:i.tcx0,top:i.tcy0,width:B.width,height:B.height,items:B.items}}function initializeTile(e,t){for(var r=e.SIZ.Csiz,n=e.tiles[t],i=0;i<r;i++){var o=n.components[i],s=void 0!==e.currentTile.QCC[i]?e.currentTile.QCC[i]:e.currentTile.QCD;o.quantizationParameters=s;var a=void 0!==e.currentTile.COC[i]?e.currentTile.COC[i]:e.currentTile.COD;o.codingStyleParameters=a}n.codingStyleDefaultParameters=e.currentTile.COD}var t=function TagTreeClosure(){function TagTree(e,t){var r=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var n=0;n<r;n++){var o={width:e,height:t,items:[]};this.levels.push(o);e=Math.ceil(e/2);t=Math.ceil(t/2)}}TagTree.prototype={reset:function TagTree_reset(e,t){for(var r,n=0,i=0;n<this.levels.length;){var o=e+t*(r=this.levels[n]).width;if(void 0!==r.items[o]){i=r.items[o];break}r.index=o;e>>=1;t>>=1;n++}n--;(r=this.levels[n]).items[r.index]=i;this.currentLevel=n;delete this.value},incrementValue:function TagTree_incrementValue(){var e=this.levels[this.currentLevel];e.items[e.index]++},nextLevel:function TagTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];if(--e<0){this.value=r;return!1}this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return TagTree}(),r=function InclusionTreeClosure(){function InclusionTree(e,t,r){var n=(0,i.log2)(Math.max(e,t))+1;this.levels=[];for(var o=0;o<n;o++){for(var s=new Uint8Array(e*t),a=0,c=s.length;a<c;a++)s[a]=r;var l={width:e,height:t,items:s};this.levels.push(l);e=Math.ceil(e/2);t=Math.ceil(t/2)}}InclusionTree.prototype={reset:function InclusionTree_reset(e,t,r){for(var n=0;n<this.levels.length;){var i=this.levels[n],o=e+t*i.width;i.index=o;var s=i.items[o];if(255===s)break;if(s>r){this.currentLevel=n;this.propagateValues();return!1}e>>=1;t>>=1;n++}this.currentLevel=n-1;return!0},incrementValue:function InclusionTree_incrementValue(e){var t=this.levels[this.currentLevel];t.items[t.index]=e+1;this.propagateValues()},propagateValues:function InclusionTree_propagateValues(){for(var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];--e>=0;)(t=this.levels[e]).items[t.index]=r},nextLevel:function InclusionTree_nextLevel(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];t.items[t.index]=255;if(--e<0)return!1;this.currentLevel=e;(t=this.levels[e]).items[t.index]=r;return!0}};return InclusionTree}(),s=function BitModelClosure(){var e=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),t=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),r=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);function BitModel(n,i,o,s,a){this.width=n;this.height=i;let c;c="HH"===o?r:"HL"===o?t:e;this.contextLabelTable=c;var l=n*i;this.neighborsSignificance=new Uint8Array(l);this.coefficentsSign=new Uint8Array(l);let d;d=a>14?new Uint32Array(l):a>6?new Uint16Array(l):new Uint8Array(l);this.coefficentsMagnitude=d;this.processingFlags=new Uint8Array(l);var f=new Uint8Array(l);if(0!==s)for(var h=0;h<l;h++)f[h]=s;this.bitsDecoded=f;this.reset()}BitModel.prototype={setDecoder:function BitModel_setDecoder(e){this.decoder=e},reset:function BitModel_reset(){this.contexts=new Int8Array(19);this.contexts[0]=8;this.contexts[17]=92;this.contexts[18]=6},setNeighborsSignificance:function BitModel_setNeighborsSignificance(e,t,r){var n,i=this.neighborsSignificance,o=this.width,s=this.height,a=t>0,c=t+1<o;if(e>0){n=r-o;a&&(i[n-1]+=16);c&&(i[n+1]+=16);i[n]+=4}if(e+1<s){n=r+o;a&&(i[n-1]+=16);c&&(i[n+1]+=16);i[n]+=4}a&&(i[r-1]+=1);c&&(i[r+1]+=1);i[r]|=128},runSignificancePropagationPass:function BitModel_runSignificancePropagationPass(){for(var e=this.decoder,t=this.width,r=this.height,n=this.coefficentsMagnitude,i=this.coefficentsSign,o=this.neighborsSignificance,s=this.processingFlags,a=this.contexts,c=this.contextLabelTable,l=this.bitsDecoded,d=0;d<r;d+=4)for(var f=0;f<t;f++)for(var h=d*t+f,u=0;u<4;u++,h+=t){var p=d+u;if(p>=r)break;s[h]&=-2;if(!n[h]&&o[h]){var m=c[o[h]];if(e.readBit(a,m)){var g=this.decodeSignBit(p,f,h);i[h]=g;n[h]=1;this.setNeighborsSignificance(p,f,h);s[h]|=2}l[h]++;s[h]|=1}}},decodeSignBit:function BitModel_decodeSignBit(e,t,r){var n,i,o,s,a,c,l=this.width,d=this.height,f=this.coefficentsMagnitude,h=this.coefficentsSign;s=t>0&&0!==f[r-1];if(t+1<l&&0!==f[r+1]){o=h[r+1];n=s?1-o-(i=h[r-1]):1-o-o}else n=s?1-(i=h[r-1])-i:0;var u=3*n;s=e>0&&0!==f[r-l];if(e+1<d&&0!==f[r+l]){o=h[r+l];n=s?1-o-(i=h[r-l])+u:1-o-o+u}else n=s?1-(i=h[r-l])-i+u:u;if(n>=0){a=9+n;c=this.decoder.readBit(this.contexts,a)}else{a=9-n;c=1^this.decoder.readBit(this.contexts,a)}return c},runMagnitudeRefinementPass:function BitModel_runMagnitudeRefinementPass(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.coefficentsMagnitude,o=this.neighborsSignificance,s=this.contexts,a=this.bitsDecoded,c=this.processingFlags,l=r*n,d=4*r,f=0;f<l;f=e){e=Math.min(l,f+d);for(var h=0;h<r;h++)for(var u=f+h;u<e;u+=r)if(i[u]&&0==(1&c[u])){var p=16;if(0!=(2&c[u])){c[u]^=2;p=0===(127&o[u])?15:14}var m=t.readBit(s,p);i[u]=i[u]<<1|m;a[u]++;c[u]|=1}}},runCleanupPass:function BitModel_runCleanupPass(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.neighborsSignificance,o=this.coefficentsMagnitude,s=this.coefficentsSign,a=this.contexts,c=this.contextLabelTable,l=this.bitsDecoded,d=this.processingFlags,f=r,h=2*r,u=3*r,p=0;p<n;p=e){e=Math.min(p+4,n);for(var m=p*r,g=p+3<n,b=0;b<r;b++){var x,y=m+b,v=0,w=y,T=p;if(g&&0===d[y]&&0===d[y+f]&&0===d[y+h]&&0===d[y+u]&&0===i[y]&&0===i[y+f]&&0===i[y+h]&&0===i[y+u]){if(!t.readBit(a,18)){l[y]++;l[y+f]++;l[y+h]++;l[y+u]++;continue}if(0!==(v=t.readBit(a,17)<<1|t.readBit(a,17))){T=p+v;w+=v*r}x=this.decodeSignBit(T,b,w);s[w]=x;o[w]=1;this.setNeighborsSignificance(T,b,w);d[w]|=2;w=y;for(var C=p;C<=T;C++,w+=r)l[w]++;v++}for(T=p+v;T<e;T++,w+=r)if(!o[w]&&0==(1&d[w])){var I=c[i[w]];if(1===t.readBit(a,I)){x=this.decodeSignBit(T,b,w);s[w]=x;o[w]=1;this.setNeighborsSignificance(T,b,w);d[w]|=2}l[w]++}}}},checkSegmentationSymbol:function BitModel_checkSegmentationSymbol(){var e=this.decoder,t=this.contexts;if(10!==(e.readBit(t,17)<<3|e.readBit(t,17)<<2|e.readBit(t,17)<<1|e.readBit(t,17)))throw new JpxError("Invalid segmentation symbol")}};return BitModel}(),a=function TransformClosure(){function Transform(){}Transform.prototype.calculate=function transformCalculate(e,t,r){for(var n=e[0],i=1,o=e.length;i<o;i++)n=this.iterate(n,e[i],t,r);return n};Transform.prototype.extend=function extend(e,t,r){var n=t-1,i=t+1,o=t+r-2,s=t+r;e[n--]=e[i++];e[s++]=e[o--];e[n--]=e[i++];e[s++]=e[o--];e[n--]=e[i++];e[s++]=e[o--];e[n]=e[i];e[s]=e[o]};Transform.prototype.iterate=function Transform_iterate(e,t,r,n){var i,o,s,a,c,l,d=e.width,f=e.height,h=e.items,u=t.width,p=t.height,m=t.items;for(s=0,i=0;i<f;i++){a=2*i*u;for(o=0;o<d;o++,s++,a+=2)m[a]=h[s]}h=e.items=null;var g=new Float32Array(u+8);if(1===u){if(0!=(1&r))for(l=0,s=0;l<p;l++,s+=u)m[s]*=.5}else for(l=0,s=0;l<p;l++,s+=u){g.set(m.subarray(s,s+u),4);this.extend(g,4,u);this.filter(g,4,u);m.set(g.subarray(4,4+u),s)}var b=16,x=[];for(i=0;i<b;i++)x.push(new Float32Array(p+8));var y,v=0;e=4+p;if(1===p){if(0!=(1&n))for(c=0;c<u;c++)m[c]*=.5}else for(c=0;c<u;c++){if(0===v){b=Math.min(u-c,b);for(s=c,a=4;a<e;s+=u,a++)for(y=0;y<b;y++)x[y][a]=m[s+y];v=b}var w=x[--v];this.extend(w,4,p);this.filter(w,4,p);if(0===v){s=c-b+1;for(a=4;a<e;s+=u,a++)for(y=0;y<b;y++)m[s+y]=x[y][a]}}return{width:u,height:p,items:m}};return Transform}(),c=function IrreversibleTransformClosure(){function IrreversibleTransform(){a.call(this)}IrreversibleTransform.prototype=Object.create(a.prototype);IrreversibleTransform.prototype.filter=function irreversibleTransformFilter(e,t,r){var n,i,o,s,a=r>>1,c=-1.586134342059924,l=-.052980118572961,d=.882911075530934,f=.443506852043971,h=1.230174104914001;n=(t|=0)-3;for(i=a+4;i--;n+=2)e[n]*=.8128930661159609;o=f*e[(n=t-2)-1];for(i=a+3;i--;n+=2){s=f*e[n+1];e[n]=h*e[n]-o-s;if(!i--)break;o=f*e[(n+=2)+1];e[n]=h*e[n]-o-s}o=d*e[(n=t-1)-1];for(i=a+2;i--;n+=2){s=d*e[n+1];e[n]-=o+s;if(!i--)break;o=d*e[(n+=2)+1];e[n]-=o+s}o=l*e[(n=t)-1];for(i=a+1;i--;n+=2){s=l*e[n+1];e[n]-=o+s;if(!i--)break;o=l*e[(n+=2)+1];e[n]-=o+s}if(0!==a){o=c*e[(n=t+1)-1];for(i=a;i--;n+=2){s=c*e[n+1];e[n]-=o+s;if(!i--)break;o=c*e[(n+=2)+1];e[n]-=o+s}}};return IrreversibleTransform}(),l=function ReversibleTransformClosure(){function ReversibleTransform(){a.call(this)}ReversibleTransform.prototype=Object.create(a.prototype);ReversibleTransform.prototype.filter=function reversibleTransformFilter(e,t,r){var n,i,o=r>>1;for(n=t|=0,i=o+1;i--;n+=2)e[n]-=e[n-1]+e[n+1]+2>>2;for(n=t+1,i=o;i--;n+=2)e[n]+=e[n-1]+e[n+1]>>1};return ReversibleTransform}();return JpxImage}();t.JpxImage=s}])}));
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/README.md b/node_modules/pdfjs-dist/lib/README.md
new file mode 100644
index 00000000..9d6a89d7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/README.md
@@ -0,0 +1,7 @@
+It's *very highly* recommended to *not* use these files, but rather use the
+pre-built library as found in e.g. the `/build`, `/web`, and `/image_decoders`
+folders in the root of this repository.
+
+Please note that the "lib" build target exists mostly to enable unit-testing in
+Node.js/Travis, and that you'll need to handle e.g. any necessary polyfills
+and/or Node.js dependencies yourself if using the files in this folder.
diff --git a/node_modules/pdfjs-dist/lib/core/annotation.js b/node_modules/pdfjs-dist/lib/core/annotation.js
new file mode 100644
index 00000000..60ed9f3f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/annotation.js
@@ -0,0 +1,1534 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getQuadPoints = getQuadPoints;
+exports.MarkupAnnotation = exports.AnnotationFactory = exports.AnnotationBorderStyle = exports.Annotation = void 0;
+
+var _util = require("../shared/util.js");
+
+var _obj = require("./obj.js");
+
+var _primitives = require("./primitives.js");
+
+var _colorspace = require("./colorspace.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _operator_list = require("./operator_list.js");
+
+var _stream = require("./stream.js");
+
+var _writer = require("./writer.js");
+
+class AnnotationFactory {
+  static create(xref, ref, pdfManager, idFactory) {
+    return pdfManager.ensureCatalog("acroForm").then(acroForm => {
+      return pdfManager.ensure(this, "_create", [xref, ref, pdfManager, idFactory, acroForm]);
+    });
+  }
+
+  static _create(xref, ref, pdfManager, idFactory, acroForm) {
+    const dict = xref.fetchIfRef(ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return undefined;
+    }
+
+    const id = (0, _primitives.isRef)(ref) ? ref.toString() : `annot_${idFactory.createObjId()}`;
+    let subtype = dict.get("Subtype");
+    subtype = (0, _primitives.isName)(subtype) ? subtype.name : null;
+    const parameters = {
+      xref,
+      ref,
+      dict,
+      subtype,
+      id,
+      pdfManager,
+      acroForm: acroForm instanceof _primitives.Dict ? acroForm : _primitives.Dict.empty
+    };
+
+    switch (subtype) {
+      case "Link":
+        return new LinkAnnotation(parameters);
+
+      case "Text":
+        return new TextAnnotation(parameters);
+
+      case "Widget":
+        let fieldType = (0, _core_utils.getInheritableProperty)({
+          dict,
+          key: "FT"
+        });
+        fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+
+        switch (fieldType) {
+          case "Tx":
+            return new TextWidgetAnnotation(parameters);
+
+          case "Btn":
+            return new ButtonWidgetAnnotation(parameters);
+
+          case "Ch":
+            return new ChoiceWidgetAnnotation(parameters);
+        }
+
+        (0, _util.warn)('Unimplemented widget field type "' + fieldType + '", ' + "falling back to base field type.");
+        return new WidgetAnnotation(parameters);
+
+      case "Popup":
+        return new PopupAnnotation(parameters);
+
+      case "FreeText":
+        return new FreeTextAnnotation(parameters);
+
+      case "Line":
+        return new LineAnnotation(parameters);
+
+      case "Square":
+        return new SquareAnnotation(parameters);
+
+      case "Circle":
+        return new CircleAnnotation(parameters);
+
+      case "PolyLine":
+        return new PolylineAnnotation(parameters);
+
+      case "Polygon":
+        return new PolygonAnnotation(parameters);
+
+      case "Caret":
+        return new CaretAnnotation(parameters);
+
+      case "Ink":
+        return new InkAnnotation(parameters);
+
+      case "Highlight":
+        return new HighlightAnnotation(parameters);
+
+      case "Underline":
+        return new UnderlineAnnotation(parameters);
+
+      case "Squiggly":
+        return new SquigglyAnnotation(parameters);
+
+      case "StrikeOut":
+        return new StrikeOutAnnotation(parameters);
+
+      case "Stamp":
+        return new StampAnnotation(parameters);
+
+      case "FileAttachment":
+        return new FileAttachmentAnnotation(parameters);
+
+      default:
+        if (!subtype) {
+          (0, _util.warn)("Annotation is missing the required /Subtype.");
+        } else {
+          (0, _util.warn)('Unimplemented annotation type "' + subtype + '", ' + "falling back to base annotation.");
+        }
+
+        return new Annotation(parameters);
+    }
+  }
+
+}
+
+exports.AnnotationFactory = AnnotationFactory;
+
+function getQuadPoints(dict, rect) {
+  if (!dict.has("QuadPoints")) {
+    return null;
+  }
+
+  const quadPoints = dict.getArray("QuadPoints");
+
+  if (!Array.isArray(quadPoints) || quadPoints.length % 8 > 0) {
+    return null;
+  }
+
+  const quadPointsLists = [];
+
+  for (let i = 0, ii = quadPoints.length / 8; i < ii; i++) {
+    quadPointsLists.push([]);
+
+    for (let j = i * 8, jj = i * 8 + 8; j < jj; j += 2) {
+      const x = quadPoints[j];
+      const y = quadPoints[j + 1];
+
+      if (x < rect[0] || x > rect[2] || y < rect[1] || y > rect[3]) {
+        return null;
+      }
+
+      quadPointsLists[i].push({
+        x,
+        y
+      });
+    }
+  }
+
+  return quadPointsLists;
+}
+
+function getTransformMatrix(rect, bbox, matrix) {
+  const [minX, minY, maxX, maxY] = _util.Util.getAxialAlignedBoundingBox(bbox, matrix);
+
+  if (minX === maxX || minY === maxY) {
+    return [1, 0, 0, 1, rect[0], rect[1]];
+  }
+
+  const xRatio = (rect[2] - rect[0]) / (maxX - minX);
+  const yRatio = (rect[3] - rect[1]) / (maxY - minY);
+  return [xRatio, 0, 0, yRatio, rect[0] - minX * xRatio, rect[1] - minY * yRatio];
+}
+
+class Annotation {
+  constructor(params) {
+    const dict = params.dict;
+    this.setContents(dict.get("Contents"));
+    this.setModificationDate(dict.get("M"));
+    this.setFlags(dict.get("F"));
+    this.setRectangle(dict.getArray("Rect"));
+    this.setColor(dict.getArray("C"));
+    this.setBorderStyle(dict);
+    this.setAppearance(dict);
+    this.data = {
+      annotationFlags: this.flags,
+      borderStyle: this.borderStyle,
+      color: this.color,
+      contents: this.contents,
+      hasAppearance: !!this.appearance,
+      id: params.id,
+      modificationDate: this.modificationDate,
+      rect: this.rectangle,
+      subtype: params.subtype
+    };
+  }
+
+  _hasFlag(flags, flag) {
+    return !!(flags & flag);
+  }
+
+  _isViewable(flags) {
+    return !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN) && !this._hasFlag(flags, _util.AnnotationFlag.NOVIEW);
+  }
+
+  _isPrintable(flags) {
+    return this._hasFlag(flags, _util.AnnotationFlag.PRINT) && !this._hasFlag(flags, _util.AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, _util.AnnotationFlag.HIDDEN);
+  }
+
+  get viewable() {
+    if (this.flags === 0) {
+      return true;
+    }
+
+    return this._isViewable(this.flags);
+  }
+
+  get printable() {
+    if (this.flags === 0) {
+      return false;
+    }
+
+    return this._isPrintable(this.flags);
+  }
+
+  setContents(contents) {
+    this.contents = (0, _util.stringToPDFString)(contents || "");
+  }
+
+  setModificationDate(modificationDate) {
+    this.modificationDate = (0, _util.isString)(modificationDate) ? modificationDate : null;
+  }
+
+  setFlags(flags) {
+    this.flags = Number.isInteger(flags) && flags > 0 ? flags : 0;
+  }
+
+  hasFlag(flag) {
+    return this._hasFlag(this.flags, flag);
+  }
+
+  setRectangle(rectangle) {
+    if (Array.isArray(rectangle) && rectangle.length === 4) {
+      this.rectangle = _util.Util.normalizeRect(rectangle);
+    } else {
+      this.rectangle = [0, 0, 0, 0];
+    }
+  }
+
+  setColor(color) {
+    const rgbColor = new Uint8ClampedArray(3);
+
+    if (!Array.isArray(color)) {
+      this.color = rgbColor;
+      return;
+    }
+
+    switch (color.length) {
+      case 0:
+        this.color = null;
+        break;
+
+      case 1:
+        _colorspace.ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      case 3:
+        _colorspace.ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      case 4:
+        _colorspace.ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
+
+        this.color = rgbColor;
+        break;
+
+      default:
+        this.color = rgbColor;
+        break;
+    }
+  }
+
+  setBorderStyle(borderStyle) {
+    this.borderStyle = new AnnotationBorderStyle();
+
+    if (!(0, _primitives.isDict)(borderStyle)) {
+      return;
+    }
+
+    if (borderStyle.has("BS")) {
+      const dict = borderStyle.get("BS");
+      const dictType = dict.get("Type");
+
+      if (!dictType || (0, _primitives.isName)(dictType, "Border")) {
+        this.borderStyle.setWidth(dict.get("W"), this.rectangle);
+        this.borderStyle.setStyle(dict.get("S"));
+        this.borderStyle.setDashArray(dict.getArray("D"));
+      }
+    } else if (borderStyle.has("Border")) {
+      const array = borderStyle.getArray("Border");
+
+      if (Array.isArray(array) && array.length >= 3) {
+        this.borderStyle.setHorizontalCornerRadius(array[0]);
+        this.borderStyle.setVerticalCornerRadius(array[1]);
+        this.borderStyle.setWidth(array[2], this.rectangle);
+
+        if (array.length === 4) {
+          this.borderStyle.setDashArray(array[3]);
+        }
+      }
+    } else {
+      this.borderStyle.setWidth(0);
+    }
+  }
+
+  setAppearance(dict) {
+    this.appearance = null;
+    const appearanceStates = dict.get("AP");
+
+    if (!(0, _primitives.isDict)(appearanceStates)) {
+      return;
+    }
+
+    const normalAppearanceState = appearanceStates.get("N");
+
+    if ((0, _primitives.isStream)(normalAppearanceState)) {
+      this.appearance = normalAppearanceState;
+      return;
+    }
+
+    if (!(0, _primitives.isDict)(normalAppearanceState)) {
+      return;
+    }
+
+    const as = dict.get("AS");
+
+    if (!(0, _primitives.isName)(as) || !normalAppearanceState.has(as.name)) {
+      return;
+    }
+
+    this.appearance = normalAppearanceState.get(as.name);
+  }
+
+  loadResources(keys) {
+    return this.appearance.dict.getAsync("Resources").then(resources => {
+      if (!resources) {
+        return undefined;
+      }
+
+      const objectLoader = new _obj.ObjectLoader(resources, keys, resources.xref);
+      return objectLoader.load().then(function () {
+        return resources;
+      });
+    });
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (!this.appearance) {
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    const appearance = this.appearance;
+    const data = this.data;
+    const appearanceDict = appearance.dict;
+    const resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+    const bbox = appearanceDict.getArray("BBox") || [0, 0, 1, 1];
+    const matrix = appearanceDict.getArray("Matrix") || [1, 0, 0, 1, 0, 0];
+    const transform = getTransformMatrix(data.rect, bbox, matrix);
+    return resourcesPromise.then(resources => {
+      const opList = new _operator_list.OperatorList();
+      opList.addOp(_util.OPS.beginAnnotation, [data.rect, transform, matrix]);
+      return evaluator.getOperatorList({
+        stream: appearance,
+        task,
+        resources,
+        operatorList: opList
+      }).then(() => {
+        opList.addOp(_util.OPS.endAnnotation, []);
+        appearance.reset();
+        return opList;
+      });
+    });
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    return null;
+  }
+
+}
+
+exports.Annotation = Annotation;
+
+class AnnotationBorderStyle {
+  constructor() {
+    this.width = 1;
+    this.style = _util.AnnotationBorderStyleType.SOLID;
+    this.dashArray = [3];
+    this.horizontalCornerRadius = 0;
+    this.verticalCornerRadius = 0;
+  }
+
+  setWidth(width, rect = [0, 0, 0, 0]) {
+    if ((0, _primitives.isName)(width)) {
+      this.width = 0;
+      return;
+    }
+
+    if (Number.isInteger(width)) {
+      if (width > 0) {
+        const maxWidth = (rect[2] - rect[0]) / 2;
+        const maxHeight = (rect[3] - rect[1]) / 2;
+
+        if (maxWidth > 0 && maxHeight > 0 && (width > maxWidth || width > maxHeight)) {
+          (0, _util.warn)(`AnnotationBorderStyle.setWidth - ignoring width: ${width}`);
+          width = 1;
+        }
+      }
+
+      this.width = width;
+    }
+  }
+
+  setStyle(style) {
+    if (!(0, _primitives.isName)(style)) {
+      return;
+    }
+
+    switch (style.name) {
+      case "S":
+        this.style = _util.AnnotationBorderStyleType.SOLID;
+        break;
+
+      case "D":
+        this.style = _util.AnnotationBorderStyleType.DASHED;
+        break;
+
+      case "B":
+        this.style = _util.AnnotationBorderStyleType.BEVELED;
+        break;
+
+      case "I":
+        this.style = _util.AnnotationBorderStyleType.INSET;
+        break;
+
+      case "U":
+        this.style = _util.AnnotationBorderStyleType.UNDERLINE;
+        break;
+
+      default:
+        break;
+    }
+  }
+
+  setDashArray(dashArray) {
+    if (Array.isArray(dashArray) && dashArray.length > 0) {
+      let isValid = true;
+      let allZeros = true;
+
+      for (const element of dashArray) {
+        const validNumber = +element >= 0;
+
+        if (!validNumber) {
+          isValid = false;
+          break;
+        } else if (element > 0) {
+          allZeros = false;
+        }
+      }
+
+      if (isValid && !allZeros) {
+        this.dashArray = dashArray;
+      } else {
+        this.width = 0;
+      }
+    } else if (dashArray) {
+      this.width = 0;
+    }
+  }
+
+  setHorizontalCornerRadius(radius) {
+    if (Number.isInteger(radius)) {
+      this.horizontalCornerRadius = radius;
+    }
+  }
+
+  setVerticalCornerRadius(radius) {
+    if (Number.isInteger(radius)) {
+      this.verticalCornerRadius = radius;
+    }
+  }
+
+}
+
+exports.AnnotationBorderStyle = AnnotationBorderStyle;
+
+class MarkupAnnotation extends Annotation {
+  constructor(parameters) {
+    super(parameters);
+    const dict = parameters.dict;
+
+    if (dict.has("IRT")) {
+      const rawIRT = dict.getRaw("IRT");
+      this.data.inReplyTo = (0, _primitives.isRef)(rawIRT) ? rawIRT.toString() : null;
+      const rt = dict.get("RT");
+      this.data.replyType = (0, _primitives.isName)(rt) ? rt.name : _util.AnnotationReplyType.REPLY;
+    }
+
+    if (this.data.replyType === _util.AnnotationReplyType.GROUP) {
+      const parent = dict.get("IRT");
+      this.data.title = (0, _util.stringToPDFString)(parent.get("T") || "");
+      this.setContents(parent.get("Contents"));
+      this.data.contents = this.contents;
+
+      if (!parent.has("CreationDate")) {
+        this.data.creationDate = null;
+      } else {
+        this.setCreationDate(parent.get("CreationDate"));
+        this.data.creationDate = this.creationDate;
+      }
+
+      if (!parent.has("M")) {
+        this.data.modificationDate = null;
+      } else {
+        this.setModificationDate(parent.get("M"));
+        this.data.modificationDate = this.modificationDate;
+      }
+
+      this.data.hasPopup = parent.has("Popup");
+
+      if (!parent.has("C")) {
+        this.data.color = null;
+      } else {
+        this.setColor(parent.getArray("C"));
+        this.data.color = this.color;
+      }
+    } else {
+      this.data.title = (0, _util.stringToPDFString)(dict.get("T") || "");
+      this.setCreationDate(dict.get("CreationDate"));
+      this.data.creationDate = this.creationDate;
+      this.data.hasPopup = dict.has("Popup");
+
+      if (!dict.has("C")) {
+        this.data.color = null;
+      }
+    }
+  }
+
+  setCreationDate(creationDate) {
+    this.creationDate = (0, _util.isString)(creationDate) ? creationDate : null;
+  }
+
+}
+
+exports.MarkupAnnotation = MarkupAnnotation;
+
+class WidgetAnnotation extends Annotation {
+  constructor(params) {
+    super(params);
+    const dict = params.dict;
+    const data = this.data;
+    this.ref = params.ref;
+    data.annotationType = _util.AnnotationType.WIDGET;
+    data.fieldName = this._constructFieldName(dict);
+    const fieldValue = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "V",
+      getArray: true
+    });
+    data.fieldValue = this._decodeFormValue(fieldValue);
+    data.alternativeText = (0, _util.stringToPDFString)(dict.get("TU") || "");
+    data.defaultAppearance = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "DA"
+    }) || params.acroForm.get("DA") || "";
+    const fieldType = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "FT"
+    });
+    data.fieldType = (0, _primitives.isName)(fieldType) ? fieldType.name : null;
+    this.fieldResources = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "DR"
+    }) || params.acroForm.get("DR") || _primitives.Dict.empty;
+    data.fieldFlags = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "Ff"
+    });
+
+    if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {
+      data.fieldFlags = 0;
+    }
+
+    data.readOnly = this.hasFieldFlag(_util.AnnotationFieldFlag.READONLY);
+
+    if (data.fieldType === "Sig") {
+      data.fieldValue = null;
+      this.setFlags(_util.AnnotationFlag.HIDDEN);
+    }
+  }
+
+  _constructFieldName(dict) {
+    if (!dict.has("T") && !dict.has("Parent")) {
+      (0, _util.warn)("Unknown field name, falling back to empty field name.");
+      return "";
+    }
+
+    if (!dict.has("Parent")) {
+      return (0, _util.stringToPDFString)(dict.get("T"));
+    }
+
+    const fieldName = [];
+
+    if (dict.has("T")) {
+      fieldName.unshift((0, _util.stringToPDFString)(dict.get("T")));
+    }
+
+    let loopDict = dict;
+
+    while (loopDict.has("Parent")) {
+      loopDict = loopDict.get("Parent");
+
+      if (!(0, _primitives.isDict)(loopDict)) {
+        break;
+      }
+
+      if (loopDict.has("T")) {
+        fieldName.unshift((0, _util.stringToPDFString)(loopDict.get("T")));
+      }
+    }
+
+    return fieldName.join(".");
+  }
+
+  _decodeFormValue(formValue) {
+    if (Array.isArray(formValue)) {
+      return formValue.filter(item => (0, _util.isString)(item)).map(item => (0, _util.stringToPDFString)(item));
+    } else if ((0, _primitives.isName)(formValue)) {
+      return (0, _util.stringToPDFString)(formValue.name);
+    } else if ((0, _util.isString)(formValue)) {
+      return (0, _util.stringToPDFString)(formValue);
+    }
+
+    return null;
+  }
+
+  hasFieldFlag(flag) {
+    return !!(this.data.fieldFlags & flag);
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (renderForms) {
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    if (!this._hasText) {
+      return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+    }
+
+    return this._getAppearance(evaluator, task, annotationStorage).then(content => {
+      if (this.appearance && content === null) {
+        return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+      }
+
+      const operatorList = new _operator_list.OperatorList();
+
+      if (!this.data.defaultAppearance || content === null) {
+        return operatorList;
+      }
+
+      const matrix = [1, 0, 0, 1, 0, 0];
+      const bbox = [0, 0, this.data.rect[2] - this.data.rect[0], this.data.rect[3] - this.data.rect[1]];
+      const transform = getTransformMatrix(this.data.rect, bbox, matrix);
+      operatorList.addOp(_util.OPS.beginAnnotation, [this.data.rect, transform, matrix]);
+      const stream = new _stream.StringStream(content);
+      return evaluator.getOperatorList({
+        stream,
+        task,
+        resources: this.fieldResources,
+        operatorList
+      }).then(function () {
+        operatorList.addOp(_util.OPS.endAnnotation, []);
+        return operatorList;
+      });
+    });
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    if (this.data.fieldValue === annotationStorage[this.data.id]) {
+      return null;
+    }
+
+    let appearance = await this._getAppearance(evaluator, task, annotationStorage);
+
+    if (appearance === null) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const bbox = [0, 0, this.data.rect[2] - this.data.rect[0], this.data.rect[3] - this.data.rect[1]];
+    const newRef = evaluator.xref.getNewRef();
+    const AP = new _primitives.Dict(evaluator.xref);
+    AP.set("N", newRef);
+    const value = annotationStorage[this.data.id];
+    const encrypt = evaluator.xref.encrypt;
+    let originalTransform = null;
+    let newTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+      newTransform = encrypt.createCipherTransform(newRef.num, newRef.gen);
+      appearance = newTransform.encryptString(appearance);
+    }
+
+    dict.set("V", value);
+    dict.set("AP", AP);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    const appearanceDict = new _primitives.Dict(evaluator.xref);
+    appearanceDict.set("Length", appearance.length);
+    appearanceDict.set("Subtype", _primitives.Name.get("Form"));
+    appearanceDict.set("Resources", this.fieldResources);
+    appearanceDict.set("BBox", bbox);
+    const bufferOriginal = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, bufferOriginal, originalTransform);
+    bufferOriginal.push("\nendobj\n");
+    const bufferNew = [`${newRef.num} ${newRef.gen} obj\n`];
+    (0, _writer.writeDict)(appearanceDict, bufferNew, newTransform);
+    bufferNew.push(" stream\n");
+    bufferNew.push(appearance);
+    bufferNew.push("\nendstream\nendobj\n");
+    return [{
+      ref: this.ref,
+      data: bufferOriginal.join("")
+    }, {
+      ref: newRef,
+      data: bufferNew.join("")
+    }];
+  }
+
+  async _getAppearance(evaluator, task, annotationStorage) {
+    const isPassword = this.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD);
+
+    if (!annotationStorage || isPassword) {
+      return null;
+    }
+
+    const value = annotationStorage[this.data.id];
+
+    if (value === "") {
+      return "";
+    }
+
+    const defaultPadding = 2;
+    const hPadding = defaultPadding;
+    const totalHeight = this.data.rect[3] - this.data.rect[1];
+    const totalWidth = this.data.rect[2] - this.data.rect[0];
+    const fontInfo = await this._getFontData(evaluator, task);
+    const [font, fontName] = fontInfo;
+    let fontSize = fontInfo[2];
+    fontSize = this._computeFontSize(font, fontName, fontSize, totalHeight);
+    let descent = font.descent;
+
+    if (isNaN(descent)) {
+      descent = 0;
+    }
+
+    const vPadding = defaultPadding + Math.abs(descent) * fontSize;
+    const defaultAppearance = this.data.defaultAppearance;
+    const alignment = this.data.textAlignment;
+
+    if (this.data.comb) {
+      return this._getCombAppearance(defaultAppearance, value, totalWidth, hPadding, vPadding);
+    }
+
+    if (this.data.multiLine) {
+      return this._getMultilineAppearance(defaultAppearance, value, font, fontSize, totalWidth, totalHeight, alignment, hPadding, vPadding);
+    }
+
+    if (alignment === 0 || alignment > 2) {
+      return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 ${hPadding} ${vPadding} Tm (${(0, _util.escapeString)(value)}) Tj` + " ET Q EMC";
+    }
+
+    const renderedText = this._renderText(value, font, fontSize, totalWidth, alignment, hPadding, vPadding);
+
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 0 0 Tm ${renderedText}` + " ET Q EMC";
+  }
+
+  async _getFontData(evaluator, task) {
+    const operatorList = new _operator_list.OperatorList();
+    const initialState = {
+      fontSize: 0,
+      font: null,
+      fontName: null,
+
+      clone() {
+        return this;
+      }
+
+    };
+    await evaluator.getOperatorList({
+      stream: new _stream.StringStream(this.data.defaultAppearance),
+      task,
+      resources: this.fieldResources,
+      operatorList,
+      initialState
+    });
+    return [initialState.font, initialState.fontName, initialState.fontSize];
+  }
+
+  _computeFontSize(font, fontName, fontSize, height) {
+    if (fontSize === null || fontSize === 0) {
+      const em = font.charsToGlyphs("M", true)[0].width / 1000;
+      const capHeight = 0.7 * em;
+      fontSize = Math.max(1, Math.floor(height / (1.5 * capHeight)));
+      let fontRegex = new RegExp(`/${fontName}\\s+[0-9\.]+\\s+Tf`);
+
+      if (this.data.defaultAppearance.search(fontRegex) === -1) {
+        fontRegex = new RegExp(`/${fontName}\\s+Tf`);
+      }
+
+      this.data.defaultAppearance = this.data.defaultAppearance.replace(fontRegex, `/${fontName} ${fontSize} Tf`);
+    }
+
+    return fontSize;
+  }
+
+  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {
+    const glyphs = font.charsToGlyphs(text);
+    const scale = fontSize / 1000;
+    let width = 0;
+
+    for (const glyph of glyphs) {
+      width += glyph.width * scale;
+    }
+
+    let shift;
+
+    if (alignment === 1) {
+      shift = (totalWidth - width) / 2;
+    } else if (alignment === 2) {
+      shift = totalWidth - width - hPadding;
+    } else {
+      shift = hPadding;
+    }
+
+    shift = shift.toFixed(2);
+    vPadding = vPadding.toFixed(2);
+    return `${shift} ${vPadding} Td (${(0, _util.escapeString)(text)}) Tj`;
+  }
+
+}
+
+class TextWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this._hasText = true;
+    const dict = params.dict;
+
+    if (!(0, _util.isString)(this.data.fieldValue)) {
+      this.data.fieldValue = "";
+    }
+
+    let alignment = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "Q"
+    });
+
+    if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {
+      alignment = null;
+    }
+
+    this.data.textAlignment = alignment;
+    let maximumLength = (0, _core_utils.getInheritableProperty)({
+      dict,
+      key: "MaxLen"
+    });
+
+    if (!Number.isInteger(maximumLength) || maximumLength < 0) {
+      maximumLength = null;
+    }
+
+    this.data.maxLen = maximumLength;
+    this.data.multiLine = this.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE);
+    this.data.comb = this.hasFieldFlag(_util.AnnotationFieldFlag.COMB) && !this.hasFieldFlag(_util.AnnotationFieldFlag.MULTILINE) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PASSWORD) && !this.hasFieldFlag(_util.AnnotationFieldFlag.FILESELECT) && this.data.maxLen !== null;
+  }
+
+  _getCombAppearance(defaultAppearance, text, width, hPadding, vPadding) {
+    const combWidth = (width / this.data.maxLen).toFixed(2);
+    const buf = [];
+
+    for (const character of text) {
+      buf.push(`(${(0, _util.escapeString)(character)}) Tj`);
+    }
+
+    const renderedComb = buf.join(` ${combWidth} 0 Td `);
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 ${hPadding} ${vPadding} Tm ${renderedComb}` + " ET Q EMC";
+  }
+
+  _getMultilineAppearance(defaultAppearance, text, font, fontSize, width, height, alignment, hPadding, vPadding) {
+    const lines = text.split(/\r\n|\r|\n/);
+    const buf = [];
+    const totalWidth = width - 2 * hPadding;
+
+    for (const line of lines) {
+      const chunks = this._splitLine(line, font, fontSize, totalWidth);
+
+      for (const chunk of chunks) {
+        const padding = buf.length === 0 ? hPadding : 0;
+        buf.push(this._renderText(chunk, font, fontSize, width, alignment, padding, -fontSize));
+      }
+    }
+
+    const renderedText = buf.join("\n");
+    return "/Tx BMC q BT " + defaultAppearance + ` 1 0 0 1 0 ${height} Tm ${renderedText}` + " ET Q EMC";
+  }
+
+  _splitLine(line, font, fontSize, width) {
+    if (line.length <= 1) {
+      return [line];
+    }
+
+    const scale = fontSize / 1000;
+    const whitespace = font.charsToGlyphs(" ", true)[0].width * scale;
+    const chunks = [];
+    let lastSpacePos = -1,
+        startChunk = 0,
+        currentWidth = 0;
+
+    for (let i = 0, ii = line.length; i < ii; i++) {
+      const character = line.charAt(i);
+
+      if (character === " ") {
+        if (currentWidth + whitespace > width) {
+          chunks.push(line.substring(startChunk, i));
+          startChunk = i;
+          currentWidth = whitespace;
+          lastSpacePos = -1;
+        } else {
+          currentWidth += whitespace;
+          lastSpacePos = i;
+        }
+      } else {
+        const charWidth = font.charsToGlyphs(character, false)[0].width * scale;
+
+        if (currentWidth + charWidth > width) {
+          if (lastSpacePos !== -1) {
+            chunks.push(line.substring(startChunk, lastSpacePos + 1));
+            startChunk = i = lastSpacePos + 1;
+            lastSpacePos = -1;
+            currentWidth = 0;
+          } else {
+            chunks.push(line.substring(startChunk, i));
+            startChunk = i;
+            currentWidth = charWidth;
+          }
+        } else {
+          currentWidth += charWidth;
+        }
+      }
+    }
+
+    if (startChunk < line.length) {
+      chunks.push(line.substring(startChunk, line.length));
+    }
+
+    return chunks;
+  }
+
+}
+
+class ButtonWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this.checkedAppearance = null;
+    this.uncheckedAppearance = null;
+    this.data.checkBox = !this.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    this.data.radioButton = this.hasFieldFlag(_util.AnnotationFieldFlag.RADIO) && !this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+    this.data.pushButton = this.hasFieldFlag(_util.AnnotationFieldFlag.PUSHBUTTON);
+
+    if (this.data.checkBox) {
+      this._processCheckBox(params);
+    } else if (this.data.radioButton) {
+      this._processRadioButton(params);
+    } else if (this.data.pushButton) {
+      this._processPushButton(params);
+    } else {
+      (0, _util.warn)("Invalid field flags for button widget annotation");
+    }
+  }
+
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
+    if (this.data.pushButton) {
+      return super.getOperatorList(evaluator, task, false, annotationStorage);
+    }
+
+    if (annotationStorage) {
+      const value = annotationStorage[this.data.id] || false;
+      let appearance;
+
+      if (value) {
+        appearance = this.checkedAppearance;
+      } else {
+        appearance = this.uncheckedAppearance;
+      }
+
+      if (appearance) {
+        const savedAppearance = this.appearance;
+        this.appearance = appearance;
+        const operatorList = super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+        this.appearance = savedAppearance;
+        return operatorList;
+      }
+
+      return Promise.resolve(new _operator_list.OperatorList());
+    }
+
+    return super.getOperatorList(evaluator, task, renderForms, annotationStorage);
+  }
+
+  async save(evaluator, task, annotationStorage) {
+    if (this.data.checkBox) {
+      return this._saveCheckbox(evaluator, task, annotationStorage);
+    }
+
+    if (this.data.radioButton) {
+      return this._saveRadioButton(evaluator, task, annotationStorage);
+    }
+
+    return super.save(evaluator, task, annotationStorage);
+  }
+
+  async _saveCheckbox(evaluator, task, annotationStorage) {
+    const defaultValue = this.data.fieldValue && this.data.fieldValue !== "Off";
+    const value = annotationStorage[this.data.id];
+
+    if (defaultValue === value) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const name = _primitives.Name.get(value ? this.data.exportValue : "Off");
+
+    dict.set("V", name);
+    dict.set("AS", name);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    const encrypt = evaluator.xref.encrypt;
+    let originalTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+    }
+
+    const buffer = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, buffer, originalTransform);
+    buffer.push("\nendobj\n");
+    return [{
+      ref: this.ref,
+      data: buffer.join("")
+    }];
+  }
+
+  async _saveRadioButton(evaluator, task, annotationStorage) {
+    const defaultValue = this.data.fieldValue === this.data.buttonValue;
+    const value = annotationStorage[this.data.id];
+
+    if (defaultValue === value) {
+      return null;
+    }
+
+    const dict = evaluator.xref.fetchIfRef(this.ref);
+
+    if (!(0, _primitives.isDict)(dict)) {
+      return null;
+    }
+
+    const name = _primitives.Name.get(value ? this.data.buttonValue : "Off");
+
+    let parentBuffer = null;
+    const encrypt = evaluator.xref.encrypt;
+
+    if (value) {
+      if ((0, _primitives.isRef)(this.parent)) {
+        const parent = evaluator.xref.fetch(this.parent);
+        let parentTransform = null;
+
+        if (encrypt) {
+          parentTransform = encrypt.createCipherTransform(this.parent.num, this.parent.gen);
+        }
+
+        parent.set("V", name);
+        parentBuffer = [`${this.parent.num} ${this.parent.gen} obj\n`];
+        (0, _writer.writeDict)(parent, parentBuffer, parentTransform);
+        parentBuffer.push("\nendobj\n");
+      } else if ((0, _primitives.isDict)(this.parent)) {
+        this.parent.set("V", name);
+      }
+    }
+
+    dict.set("AS", name);
+    dict.set("M", `D:${(0, _util.getModificationDate)()}`);
+    let originalTransform = null;
+
+    if (encrypt) {
+      originalTransform = encrypt.createCipherTransform(this.ref.num, this.ref.gen);
+    }
+
+    const buffer = [`${this.ref.num} ${this.ref.gen} obj\n`];
+    (0, _writer.writeDict)(dict, buffer, originalTransform);
+    buffer.push("\nendobj\n");
+    const newRefs = [{
+      ref: this.ref,
+      data: buffer.join("")
+    }];
+
+    if (parentBuffer !== null) {
+      newRefs.push({
+        ref: this.parent,
+        data: parentBuffer.join("")
+      });
+    }
+
+    return newRefs;
+  }
+
+  _processCheckBox(params) {
+    const customAppearance = params.dict.get("AP");
+
+    if (!(0, _primitives.isDict)(customAppearance)) {
+      return;
+    }
+
+    const normalAppearance = customAppearance.get("N");
+
+    if (!(0, _primitives.isDict)(normalAppearance)) {
+      return;
+    }
+
+    const exportValues = normalAppearance.getKeys();
+
+    if (!exportValues.includes("Off")) {
+      exportValues.push("Off");
+    }
+
+    if (exportValues.length !== 2) {
+      return;
+    }
+
+    this.data.exportValue = exportValues[0] === "Off" ? exportValues[1] : exportValues[0];
+    this.checkedAppearance = normalAppearance.get(this.data.exportValue);
+    this.uncheckedAppearance = normalAppearance.get("Off") || null;
+  }
+
+  _processRadioButton(params) {
+    this.data.fieldValue = this.data.buttonValue = null;
+    const fieldParent = params.dict.get("Parent");
+
+    if ((0, _primitives.isDict)(fieldParent) && fieldParent.has("V")) {
+      const fieldParentValue = fieldParent.get("V");
+
+      if ((0, _primitives.isName)(fieldParentValue)) {
+        this.parent = params.dict.getRaw("Parent");
+        this.data.fieldValue = this._decodeFormValue(fieldParentValue);
+      }
+    }
+
+    const appearanceStates = params.dict.get("AP");
+
+    if (!(0, _primitives.isDict)(appearanceStates)) {
+      return;
+    }
+
+    const normalAppearance = appearanceStates.get("N");
+
+    if (!(0, _primitives.isDict)(normalAppearance)) {
+      return;
+    }
+
+    for (const key of normalAppearance.getKeys()) {
+      if (key !== "Off") {
+        this.data.buttonValue = key;
+        break;
+      }
+    }
+
+    this.checkedAppearance = normalAppearance.get(this.data.buttonValue);
+    this.uncheckedAppearance = normalAppearance.get("Off") || null;
+  }
+
+  _processPushButton(params) {
+    if (!params.dict.has("A")) {
+      (0, _util.warn)("Push buttons without action dictionaries are not supported");
+      return;
+    }
+
+    _obj.Catalog.parseDestDictionary({
+      destDict: params.dict,
+      resultObj: this.data,
+      docBaseUrl: params.pdfManager.docBaseUrl
+    });
+  }
+
+}
+
+class ChoiceWidgetAnnotation extends WidgetAnnotation {
+  constructor(params) {
+    super(params);
+    this.data.options = [];
+    const options = (0, _core_utils.getInheritableProperty)({
+      dict: params.dict,
+      key: "Opt"
+    });
+
+    if (Array.isArray(options)) {
+      const xref = params.xref;
+
+      for (let i = 0, ii = options.length; i < ii; i++) {
+        const option = xref.fetchIfRef(options[i]);
+        const isOptionArray = Array.isArray(option);
+        this.data.options[i] = {
+          exportValue: this._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[0]) : option),
+          displayValue: this._decodeFormValue(isOptionArray ? xref.fetchIfRef(option[1]) : option)
+        };
+      }
+    }
+
+    if ((0, _util.isString)(this.data.fieldValue)) {
+      this.data.fieldValue = [this.data.fieldValue];
+    } else if (!this.data.fieldValue) {
+      this.data.fieldValue = [];
+    }
+
+    this.data.combo = this.hasFieldFlag(_util.AnnotationFieldFlag.COMBO);
+    this.data.multiSelect = this.hasFieldFlag(_util.AnnotationFieldFlag.MULTISELECT);
+    this._hasText = true;
+  }
+
+}
+
+class TextAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    const DEFAULT_ICON_SIZE = 22;
+    super(parameters);
+    const dict = parameters.dict;
+    this.data.annotationType = _util.AnnotationType.TEXT;
+
+    if (this.data.hasAppearance) {
+      this.data.name = "NoIcon";
+    } else {
+      this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;
+      this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;
+      this.data.name = dict.has("Name") ? dict.get("Name").name : "Note";
+    }
+
+    if (dict.has("State")) {
+      this.data.state = dict.get("State") || null;
+      this.data.stateModel = dict.get("StateModel") || null;
+    } else {
+      this.data.state = null;
+      this.data.stateModel = null;
+    }
+  }
+
+}
+
+class LinkAnnotation extends Annotation {
+  constructor(params) {
+    super(params);
+    this.data.annotationType = _util.AnnotationType.LINK;
+    const quadPoints = getQuadPoints(params.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+
+    _obj.Catalog.parseDestDictionary({
+      destDict: params.dict,
+      resultObj: this.data,
+      docBaseUrl: params.pdfManager.docBaseUrl
+    });
+  }
+
+}
+
+class PopupAnnotation extends Annotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POPUP;
+    let parentItem = parameters.dict.get("Parent");
+
+    if (!parentItem) {
+      (0, _util.warn)("Popup annotation has a missing or invalid parent annotation.");
+      return;
+    }
+
+    const parentSubtype = parentItem.get("Subtype");
+    this.data.parentType = (0, _primitives.isName)(parentSubtype) ? parentSubtype.name : null;
+    const rawParent = parameters.dict.getRaw("Parent");
+    this.data.parentId = (0, _primitives.isRef)(rawParent) ? rawParent.toString() : null;
+    const rt = parentItem.get("RT");
+
+    if ((0, _primitives.isName)(rt, _util.AnnotationReplyType.GROUP)) {
+      parentItem = parentItem.get("IRT");
+    }
+
+    if (!parentItem.has("M")) {
+      this.data.modificationDate = null;
+    } else {
+      this.setModificationDate(parentItem.get("M"));
+      this.data.modificationDate = this.modificationDate;
+    }
+
+    if (!parentItem.has("C")) {
+      this.data.color = null;
+    } else {
+      this.setColor(parentItem.getArray("C"));
+      this.data.color = this.color;
+    }
+
+    if (!this.viewable) {
+      const parentFlags = parentItem.get("F");
+
+      if (this._isViewable(parentFlags)) {
+        this.setFlags(parentFlags);
+      }
+    }
+
+    this.data.title = (0, _util.stringToPDFString)(parentItem.get("T") || "");
+    this.data.contents = (0, _util.stringToPDFString)(parentItem.get("Contents") || "");
+  }
+
+}
+
+class FreeTextAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.FREETEXT;
+  }
+
+}
+
+class LineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.LINE;
+    this.data.lineCoordinates = _util.Util.normalizeRect(parameters.dict.getArray("L"));
+  }
+
+}
+
+class SquareAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.SQUARE;
+  }
+
+}
+
+class CircleAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.CIRCLE;
+  }
+
+}
+
+class PolylineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POLYLINE;
+    const rawVertices = parameters.dict.getArray("Vertices");
+    this.data.vertices = [];
+
+    for (let i = 0, ii = rawVertices.length; i < ii; i += 2) {
+      this.data.vertices.push({
+        x: rawVertices[i],
+        y: rawVertices[i + 1]
+      });
+    }
+  }
+
+}
+
+class PolygonAnnotation extends PolylineAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.POLYGON;
+  }
+
+}
+
+class CaretAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.CARET;
+  }
+
+}
+
+class InkAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.INK;
+    const xref = parameters.xref;
+    const originalInkLists = parameters.dict.getArray("InkList");
+    this.data.inkLists = [];
+
+    for (let i = 0, ii = originalInkLists.length; i < ii; ++i) {
+      this.data.inkLists.push([]);
+
+      for (let j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {
+        this.data.inkLists[i].push({
+          x: xref.fetchIfRef(originalInkLists[i][j]),
+          y: xref.fetchIfRef(originalInkLists[i][j + 1])
+        });
+      }
+    }
+  }
+
+}
+
+class HighlightAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.HIGHLIGHT;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class UnderlineAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.UNDERLINE;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class SquigglyAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.SQUIGGLY;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class StrikeOutAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.STRIKEOUT;
+    const quadPoints = getQuadPoints(parameters.dict, this.rectangle);
+
+    if (quadPoints) {
+      this.data.quadPoints = quadPoints;
+    }
+  }
+
+}
+
+class StampAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    this.data.annotationType = _util.AnnotationType.STAMP;
+  }
+
+}
+
+class FileAttachmentAnnotation extends MarkupAnnotation {
+  constructor(parameters) {
+    super(parameters);
+    const file = new _obj.FileSpec(parameters.dict.get("FS"), parameters.xref);
+    this.data.annotationType = _util.AnnotationType.FILEATTACHMENT;
+    this.data.file = file.serializable;
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/arithmetic_decoder.js b/node_modules/pdfjs-dist/lib/core/arithmetic_decoder.js
new file mode 100644
index 00000000..84e147aa
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/arithmetic_decoder.js
@@ -0,0 +1,369 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ArithmeticDecoder = void 0;
+const QeTable = [{
+  qe: 0x5601,
+  nmps: 1,
+  nlps: 1,
+  switchFlag: 1
+}, {
+  qe: 0x3401,
+  nmps: 2,
+  nlps: 6,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 3,
+  nlps: 9,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 4,
+  nlps: 12,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 5,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 38,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 7,
+  nlps: 6,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 8,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 9,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 10,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 11,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 12,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 13,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 29,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 15,
+  nlps: 14,
+  switchFlag: 1
+}, {
+  qe: 0x5401,
+  nmps: 16,
+  nlps: 14,
+  switchFlag: 0
+}, {
+  qe: 0x5101,
+  nmps: 17,
+  nlps: 15,
+  switchFlag: 0
+}, {
+  qe: 0x4801,
+  nmps: 18,
+  nlps: 16,
+  switchFlag: 0
+}, {
+  qe: 0x3801,
+  nmps: 19,
+  nlps: 17,
+  switchFlag: 0
+}, {
+  qe: 0x3401,
+  nmps: 20,
+  nlps: 18,
+  switchFlag: 0
+}, {
+  qe: 0x3001,
+  nmps: 21,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2801,
+  nmps: 22,
+  nlps: 19,
+  switchFlag: 0
+}, {
+  qe: 0x2401,
+  nmps: 23,
+  nlps: 20,
+  switchFlag: 0
+}, {
+  qe: 0x2201,
+  nmps: 24,
+  nlps: 21,
+  switchFlag: 0
+}, {
+  qe: 0x1c01,
+  nmps: 25,
+  nlps: 22,
+  switchFlag: 0
+}, {
+  qe: 0x1801,
+  nmps: 26,
+  nlps: 23,
+  switchFlag: 0
+}, {
+  qe: 0x1601,
+  nmps: 27,
+  nlps: 24,
+  switchFlag: 0
+}, {
+  qe: 0x1401,
+  nmps: 28,
+  nlps: 25,
+  switchFlag: 0
+}, {
+  qe: 0x1201,
+  nmps: 29,
+  nlps: 26,
+  switchFlag: 0
+}, {
+  qe: 0x1101,
+  nmps: 30,
+  nlps: 27,
+  switchFlag: 0
+}, {
+  qe: 0x0ac1,
+  nmps: 31,
+  nlps: 28,
+  switchFlag: 0
+}, {
+  qe: 0x09c1,
+  nmps: 32,
+  nlps: 29,
+  switchFlag: 0
+}, {
+  qe: 0x08a1,
+  nmps: 33,
+  nlps: 30,
+  switchFlag: 0
+}, {
+  qe: 0x0521,
+  nmps: 34,
+  nlps: 31,
+  switchFlag: 0
+}, {
+  qe: 0x0441,
+  nmps: 35,
+  nlps: 32,
+  switchFlag: 0
+}, {
+  qe: 0x02a1,
+  nmps: 36,
+  nlps: 33,
+  switchFlag: 0
+}, {
+  qe: 0x0221,
+  nmps: 37,
+  nlps: 34,
+  switchFlag: 0
+}, {
+  qe: 0x0141,
+  nmps: 38,
+  nlps: 35,
+  switchFlag: 0
+}, {
+  qe: 0x0111,
+  nmps: 39,
+  nlps: 36,
+  switchFlag: 0
+}, {
+  qe: 0x0085,
+  nmps: 40,
+  nlps: 37,
+  switchFlag: 0
+}, {
+  qe: 0x0049,
+  nmps: 41,
+  nlps: 38,
+  switchFlag: 0
+}, {
+  qe: 0x0025,
+  nmps: 42,
+  nlps: 39,
+  switchFlag: 0
+}, {
+  qe: 0x0015,
+  nmps: 43,
+  nlps: 40,
+  switchFlag: 0
+}, {
+  qe: 0x0009,
+  nmps: 44,
+  nlps: 41,
+  switchFlag: 0
+}, {
+  qe: 0x0005,
+  nmps: 45,
+  nlps: 42,
+  switchFlag: 0
+}, {
+  qe: 0x0001,
+  nmps: 45,
+  nlps: 43,
+  switchFlag: 0
+}, {
+  qe: 0x5601,
+  nmps: 46,
+  nlps: 46,
+  switchFlag: 0
+}];
+
+class ArithmeticDecoder {
+  constructor(data, start, end) {
+    this.data = data;
+    this.bp = start;
+    this.dataEnd = end;
+    this.chigh = data[start];
+    this.clow = 0;
+    this.byteIn();
+    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
+    this.clow = this.clow << 7 & 0xffff;
+    this.ct -= 7;
+    this.a = 0x8000;
+  }
+
+  byteIn() {
+    const data = this.data;
+    let bp = this.bp;
+
+    if (data[bp] === 0xff) {
+      if (data[bp + 1] > 0x8f) {
+        this.clow += 0xff00;
+        this.ct = 8;
+      } else {
+        bp++;
+        this.clow += data[bp] << 9;
+        this.ct = 7;
+        this.bp = bp;
+      }
+    } else {
+      bp++;
+      this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
+      this.ct = 8;
+      this.bp = bp;
+    }
+
+    if (this.clow > 0xffff) {
+      this.chigh += this.clow >> 16;
+      this.clow &= 0xffff;
+    }
+  }
+
+  readBit(contexts, pos) {
+    let cx_index = contexts[pos] >> 1,
+        cx_mps = contexts[pos] & 1;
+    const qeTableIcx = QeTable[cx_index];
+    const qeIcx = qeTableIcx.qe;
+    let d;
+    let a = this.a - qeIcx;
+
+    if (this.chigh < qeIcx) {
+      if (a < qeIcx) {
+        a = qeIcx;
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      } else {
+        a = qeIcx;
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      }
+    } else {
+      this.chigh -= qeIcx;
+
+      if ((a & 0x8000) !== 0) {
+        this.a = a;
+        return cx_mps;
+      }
+
+      if (a < qeIcx) {
+        d = 1 ^ cx_mps;
+
+        if (qeTableIcx.switchFlag === 1) {
+          cx_mps = d;
+        }
+
+        cx_index = qeTableIcx.nlps;
+      } else {
+        d = cx_mps;
+        cx_index = qeTableIcx.nmps;
+      }
+    }
+
+    do {
+      if (this.ct === 0) {
+        this.byteIn();
+      }
+
+      a <<= 1;
+      this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
+      this.clow = this.clow << 1 & 0xffff;
+      this.ct--;
+    } while ((a & 0x8000) === 0);
+
+    this.a = a;
+    contexts[pos] = cx_index << 1 | cx_mps;
+    return d;
+  }
+
+}
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/bidi.js b/node_modules/pdfjs-dist/lib/core/bidi.js
new file mode 100644
index 00000000..60dcfec3
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/bidi.js
@@ -0,0 +1,327 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.bidi = bidi;
+
+var _util = require("../shared/util.js");
+
+var baseTypes = ["BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "S", "B", "S", "WS", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "B", "B", "B", "S", "WS", "ON", "ON", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "ON", "ES", "CS", "ES", "CS", "CS", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "CS", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "ON", "ON", "ON", "BN", "BN", "BN", "BN", "BN", "BN", "B", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "BN", "CS", "ON", "ET", "ET", "ET", "ET", "ON", "ON", "ON", "ON", "L", "ON", "ON", "BN", "ON", "ON", "ET", "ET", "EN", "EN", "ON", "L", "ON", "ON", "ON", "EN", "L", "ON", "ON", "ON", "ON", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "L", "ON", "L", "L", "L", "L", "L", "L", "L", "L"];
+var arabicTypes = ["AN", "AN", "AN", "AN", "AN", "AN", "ON", "ON", "AL", "ET", "ET", "AL", "CS", "AL", "ON", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "AN", "ET", "AN", "AN", "AL", "AL", "AL", "NSM", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "AL", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AN", "ON", "NSM", "NSM", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "NSM", "NSM", "ON", "NSM", "NSM", "NSM", "NSM", "AL", "AL", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "EN", "AL", "AL", "AL", "AL", "AL", "AL"];
+
+function isOdd(i) {
+  return (i & 1) !== 0;
+}
+
+function isEven(i) {
+  return (i & 1) === 0;
+}
+
+function findUnequal(arr, start, value) {
+  for (var j = start, jj = arr.length; j < jj; ++j) {
+    if (arr[j] !== value) {
+      return j;
+    }
+  }
+
+  return j;
+}
+
+function setValues(arr, start, end, value) {
+  for (var j = start; j < end; ++j) {
+    arr[j] = value;
+  }
+}
+
+function reverseValues(arr, start, end) {
+  for (var i = start, j = end - 1; i < j; ++i, --j) {
+    var temp = arr[i];
+    arr[i] = arr[j];
+    arr[j] = temp;
+  }
+}
+
+function createBidiText(str, isLTR, vertical = false) {
+  let dir = "ltr";
+
+  if (vertical) {
+    dir = "ttb";
+  } else if (!isLTR) {
+    dir = "rtl";
+  }
+
+  return {
+    str,
+    dir
+  };
+}
+
+var chars = [];
+var types = [];
+
+function bidi(str, startLevel, vertical) {
+  var isLTR = true;
+  var strLength = str.length;
+
+  if (strLength === 0 || vertical) {
+    return createBidiText(str, isLTR, vertical);
+  }
+
+  chars.length = strLength;
+  types.length = strLength;
+  var numBidi = 0;
+  var i, ii;
+
+  for (i = 0; i < strLength; ++i) {
+    chars[i] = str.charAt(i);
+    var charCode = str.charCodeAt(i);
+    var charType = "L";
+
+    if (charCode <= 0x00ff) {
+      charType = baseTypes[charCode];
+    } else if (0x0590 <= charCode && charCode <= 0x05f4) {
+      charType = "R";
+    } else if (0x0600 <= charCode && charCode <= 0x06ff) {
+      charType = arabicTypes[charCode & 0xff];
+
+      if (!charType) {
+        (0, _util.warn)("Bidi: invalid Unicode character " + charCode.toString(16));
+      }
+    } else if (0x0700 <= charCode && charCode <= 0x08ac) {
+      charType = "AL";
+    }
+
+    if (charType === "R" || charType === "AL" || charType === "AN") {
+      numBidi++;
+    }
+
+    types[i] = charType;
+  }
+
+  if (numBidi === 0) {
+    isLTR = true;
+    return createBidiText(str, isLTR);
+  }
+
+  if (startLevel === -1) {
+    if (numBidi / strLength < 0.3) {
+      isLTR = true;
+      startLevel = 0;
+    } else {
+      isLTR = false;
+      startLevel = 1;
+    }
+  }
+
+  var levels = [];
+
+  for (i = 0; i < strLength; ++i) {
+    levels[i] = startLevel;
+  }
+
+  var e = isOdd(startLevel) ? "R" : "L";
+  var sor = e;
+  var eor = sor;
+  var lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "NSM") {
+      types[i] = lastType;
+    } else {
+      lastType = types[i];
+    }
+  }
+
+  lastType = sor;
+  var t;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "AL" ? "AN" : "EN";
+    } else if (t === "R" || t === "L" || t === "AL") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "AL") {
+      types[i] = "R";
+    }
+  }
+
+  for (i = 1; i < strLength - 1; ++i) {
+    if (types[i] === "ES" && types[i - 1] === "EN" && types[i + 1] === "EN") {
+      types[i] = "EN";
+    }
+
+    if (types[i] === "CS" && (types[i - 1] === "EN" || types[i - 1] === "AN") && types[i + 1] === types[i - 1]) {
+      types[i] = types[i - 1];
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "EN") {
+      var j;
+
+      for (j = i - 1; j >= 0; --j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+
+      for (j = i + 1; j < strLength; ++j) {
+        if (types[j] !== "ET") {
+          break;
+        }
+
+        types[j] = "EN";
+      }
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "WS" || t === "ES" || t === "ET" || t === "CS") {
+      types[i] = "ON";
+    }
+  }
+
+  lastType = sor;
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (t === "EN") {
+      types[i] = lastType === "L" ? "L" : "EN";
+    } else if (t === "R" || t === "L") {
+      lastType = t;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      var end = findUnequal(types, i + 1, "ON");
+      var before = sor;
+
+      if (i > 0) {
+        before = types[i - 1];
+      }
+
+      var after = eor;
+
+      if (end + 1 < strLength) {
+        after = types[end + 1];
+      }
+
+      if (before !== "L") {
+        before = "R";
+      }
+
+      if (after !== "L") {
+        after = "R";
+      }
+
+      if (before === after) {
+        setValues(types, i, end, before);
+      }
+
+      i = end - 1;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    if (types[i] === "ON") {
+      types[i] = e;
+    }
+  }
+
+  for (i = 0; i < strLength; ++i) {
+    t = types[i];
+
+    if (isEven(levels[i])) {
+      if (t === "R") {
+        levels[i] += 1;
+      } else if (t === "AN" || t === "EN") {
+        levels[i] += 2;
+      }
+    } else {
+      if (t === "L" || t === "AN" || t === "EN") {
+        levels[i] += 1;
+      }
+    }
+  }
+
+  var highestLevel = -1;
+  var lowestOddLevel = 99;
+  var level;
+
+  for (i = 0, ii = levels.length; i < ii; ++i) {
+    level = levels[i];
+
+    if (highestLevel < level) {
+      highestLevel = level;
+    }
+
+    if (lowestOddLevel > level && isOdd(level)) {
+      lowestOddLevel = level;
+    }
+  }
+
+  for (level = highestLevel; level >= lowestOddLevel; --level) {
+    var start = -1;
+
+    for (i = 0, ii = levels.length; i < ii; ++i) {
+      if (levels[i] < level) {
+        if (start >= 0) {
+          reverseValues(chars, start, i);
+          start = -1;
+        }
+      } else if (start < 0) {
+        start = i;
+      }
+    }
+
+    if (start >= 0) {
+      reverseValues(chars, start, levels.length);
+    }
+  }
+
+  for (i = 0, ii = chars.length; i < ii; ++i) {
+    var ch = chars[i];
+
+    if (ch === "<" || ch === ">") {
+      chars[i] = "";
+    }
+  }
+
+  return createBidiText(chars.join(""), isLTR);
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/ccitt.js b/node_modules/pdfjs-dist/lib/core/ccitt.js
new file mode 100644
index 00000000..b0477d37
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/ccitt.js
@@ -0,0 +1,720 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxDecoder = void 0;
+
+var _util = require("../shared/util.js");
+
+const CCITTFaxDecoder = function CCITTFaxDecoder() {
+  const ccittEOL = -2;
+  const ccittEOF = -1;
+  const twoDimPass = 0;
+  const twoDimHoriz = 1;
+  const twoDimVert0 = 2;
+  const twoDimVertR1 = 3;
+  const twoDimVertL1 = 4;
+  const twoDimVertR2 = 5;
+  const twoDimVertL2 = 6;
+  const twoDimVertR3 = 7;
+  const twoDimVertL3 = 8;
+  const twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
+  const whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
+  const whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
+  const blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
+  const blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
+  const blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
+
+  function CCITTFaxDecoder(source, options = {}) {
+    if (!source || typeof source.next !== "function") {
+      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
+    }
+
+    this.source = source;
+    this.eof = false;
+    this.encoding = options.K || 0;
+    this.eoline = options.EndOfLine || false;
+    this.byteAlign = options.EncodedByteAlign || false;
+    this.columns = options.Columns || 1728;
+    this.rows = options.Rows || 0;
+    let eoblock = options.EndOfBlock;
+
+    if (eoblock === null || eoblock === undefined) {
+      eoblock = true;
+    }
+
+    this.eoblock = eoblock;
+    this.black = options.BlackIs1 || false;
+    this.codingLine = new Uint32Array(this.columns + 1);
+    this.refLine = new Uint32Array(this.columns + 2);
+    this.codingLine[0] = this.columns;
+    this.codingPos = 0;
+    this.row = 0;
+    this.nextLine2D = this.encoding < 0;
+    this.inputBits = 0;
+    this.inputBuf = 0;
+    this.outputBits = 0;
+    this.rowsDone = false;
+    let code1;
+
+    while ((code1 = this._lookBits(12)) === 0) {
+      this._eatBits(1);
+    }
+
+    if (code1 === 1) {
+      this._eatBits(12);
+    }
+
+    if (this.encoding > 0) {
+      this.nextLine2D = !this._lookBits(1);
+
+      this._eatBits(1);
+    }
+  }
+
+  CCITTFaxDecoder.prototype = {
+    readNextChar() {
+      if (this.eof) {
+        return -1;
+      }
+
+      const refLine = this.refLine;
+      const codingLine = this.codingLine;
+      const columns = this.columns;
+      let refPos, blackPixels, bits, i;
+
+      if (this.outputBits === 0) {
+        if (this.rowsDone) {
+          this.eof = true;
+        }
+
+        if (this.eof) {
+          return -1;
+        }
+
+        this.err = false;
+        let code1, code2, code3;
+
+        if (this.nextLine2D) {
+          for (i = 0; codingLine[i] < columns; ++i) {
+            refLine[i] = codingLine[i];
+          }
+
+          refLine[i++] = columns;
+          refLine[i] = columns;
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          refPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = this._getTwoDimCode();
+
+            switch (code1) {
+              case twoDimPass:
+                this._addPixels(refLine[refPos + 1], blackPixels);
+
+                if (refLine[refPos + 1] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimHoriz:
+                code1 = code2 = 0;
+
+                if (blackPixels) {
+                  do {
+                    code1 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+                } else {
+                  do {
+                    code1 += code3 = this._getWhiteCode();
+                  } while (code3 >= 64);
+
+                  do {
+                    code2 += code3 = this._getBlackCode();
+                  } while (code3 >= 64);
+                }
+
+                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+                if (codingLine[this.codingPos] < columns) {
+                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
+                }
+
+                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                  refPos += 2;
+                }
+
+                break;
+
+              case twoDimVertR3:
+                this._addPixels(refLine[refPos] + 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR2:
+                this._addPixels(refLine[refPos] + 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertR1:
+                this._addPixels(refLine[refPos] + 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVert0:
+                this._addPixels(refLine[refPos], blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  ++refPos;
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL3:
+                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL2:
+                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case twoDimVertL1:
+                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
+
+                blackPixels ^= 1;
+
+                if (codingLine[this.codingPos] < columns) {
+                  if (refPos > 0) {
+                    --refPos;
+                  } else {
+                    ++refPos;
+                  }
+
+                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
+                    refPos += 2;
+                  }
+                }
+
+                break;
+
+              case ccittEOF:
+                this._addPixels(columns, 0);
+
+                this.eof = true;
+                break;
+
+              default:
+                (0, _util.info)("bad 2d code");
+
+                this._addPixels(columns, 0);
+
+                this.err = true;
+            }
+          }
+        } else {
+          codingLine[0] = 0;
+          this.codingPos = 0;
+          blackPixels = 0;
+
+          while (codingLine[this.codingPos] < columns) {
+            code1 = 0;
+
+            if (blackPixels) {
+              do {
+                code1 += code3 = this._getBlackCode();
+              } while (code3 >= 64);
+            } else {
+              do {
+                code1 += code3 = this._getWhiteCode();
+              } while (code3 >= 64);
+            }
+
+            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
+
+            blackPixels ^= 1;
+          }
+        }
+
+        let gotEOL = false;
+
+        if (this.byteAlign) {
+          this.inputBits &= ~7;
+        }
+
+        if (!this.eoblock && this.row === this.rows - 1) {
+          this.rowsDone = true;
+        } else {
+          code1 = this._lookBits(12);
+
+          if (this.eoline) {
+            while (code1 !== ccittEOF && code1 !== 1) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          } else {
+            while (code1 === 0) {
+              this._eatBits(1);
+
+              code1 = this._lookBits(12);
+            }
+          }
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            gotEOL = true;
+          } else if (code1 === ccittEOF) {
+            this.eof = true;
+          }
+        }
+
+        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
+          this.nextLine2D = !this._lookBits(1);
+
+          this._eatBits(1);
+        }
+
+        if (this.eoblock && gotEOL && this.byteAlign) {
+          code1 = this._lookBits(12);
+
+          if (code1 === 1) {
+            this._eatBits(12);
+
+            if (this.encoding > 0) {
+              this._lookBits(1);
+
+              this._eatBits(1);
+            }
+
+            if (this.encoding >= 0) {
+              for (i = 0; i < 4; ++i) {
+                code1 = this._lookBits(12);
+
+                if (code1 !== 1) {
+                  (0, _util.info)("bad rtc code: " + code1);
+                }
+
+                this._eatBits(12);
+
+                if (this.encoding > 0) {
+                  this._lookBits(1);
+
+                  this._eatBits(1);
+                }
+              }
+            }
+
+            this.eof = true;
+          }
+        } else if (this.err && this.eoline) {
+          while (true) {
+            code1 = this._lookBits(13);
+
+            if (code1 === ccittEOF) {
+              this.eof = true;
+              return -1;
+            }
+
+            if (code1 >> 1 === 1) {
+              break;
+            }
+
+            this._eatBits(1);
+          }
+
+          this._eatBits(12);
+
+          if (this.encoding > 0) {
+            this._eatBits(1);
+
+            this.nextLine2D = !(code1 & 1);
+          }
+        }
+
+        if (codingLine[0] > 0) {
+          this.outputBits = codingLine[this.codingPos = 0];
+        } else {
+          this.outputBits = codingLine[this.codingPos = 1];
+        }
+
+        this.row++;
+      }
+
+      let c;
+
+      if (this.outputBits >= 8) {
+        c = this.codingPos & 1 ? 0 : 0xff;
+        this.outputBits -= 8;
+
+        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
+          this.codingPos++;
+          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+        }
+      } else {
+        bits = 8;
+        c = 0;
+
+        do {
+          if (this.outputBits > bits) {
+            c <<= bits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - bits;
+            }
+
+            this.outputBits -= bits;
+            bits = 0;
+          } else {
+            c <<= this.outputBits;
+
+            if (!(this.codingPos & 1)) {
+              c |= 0xff >> 8 - this.outputBits;
+            }
+
+            bits -= this.outputBits;
+            this.outputBits = 0;
+
+            if (codingLine[this.codingPos] < columns) {
+              this.codingPos++;
+              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
+            } else if (bits > 0) {
+              c <<= bits;
+              bits = 0;
+            }
+          }
+        } while (bits);
+      }
+
+      if (this.black) {
+        c ^= 0xff;
+      }
+
+      return c;
+    },
+
+    _addPixels(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _addPixelsNeg(a1, blackPixels) {
+      const codingLine = this.codingLine;
+      let codingPos = this.codingPos;
+
+      if (a1 > codingLine[codingPos]) {
+        if (a1 > this.columns) {
+          (0, _util.info)("row is wrong length");
+          this.err = true;
+          a1 = this.columns;
+        }
+
+        if (codingPos & 1 ^ blackPixels) {
+          ++codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      } else if (a1 < codingLine[codingPos]) {
+        if (a1 < 0) {
+          (0, _util.info)("invalid code");
+          this.err = true;
+          a1 = 0;
+        }
+
+        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
+          --codingPos;
+        }
+
+        codingLine[codingPos] = a1;
+      }
+
+      this.codingPos = codingPos;
+    },
+
+    _findTableCode(start, end, table, limit) {
+      const limitValue = limit || 0;
+
+      for (let i = start; i <= end; ++i) {
+        let code = this._lookBits(i);
+
+        if (code === ccittEOF) {
+          return [true, 1, false];
+        }
+
+        if (i < end) {
+          code <<= end - i;
+        }
+
+        if (!limitValue || code >= limitValue) {
+          const p = table[code - limitValue];
+
+          if (p[0] === i) {
+            this._eatBits(i);
+
+            return [true, p[1], true];
+          }
+        }
+      }
+
+      return [false, 0, false];
+    },
+
+    _getTwoDimCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(7);
+        p = twoDimTable[code];
+
+        if (p && p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        const result = this._findTableCode(1, 7, twoDimTable);
+
+        if (result[0] && result[2]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("Bad two dim code");
+      return ccittEOF;
+    },
+
+    _getWhiteCode() {
+      let code = 0;
+      let p;
+
+      if (this.eoblock) {
+        code = this._lookBits(12);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 5 === 0) {
+          p = whiteTable1[code];
+        } else {
+          p = whiteTable2[code >> 3];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(1, 9, whiteTable2);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(11, 12, whiteTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad white code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _getBlackCode() {
+      let code, p;
+
+      if (this.eoblock) {
+        code = this._lookBits(13);
+
+        if (code === ccittEOF) {
+          return 1;
+        }
+
+        if (code >> 7 === 0) {
+          p = blackTable1[code];
+        } else if (code >> 9 === 0 && code >> 7 !== 0) {
+          p = blackTable2[(code >> 1) - 64];
+        } else {
+          p = blackTable3[code >> 7];
+        }
+
+        if (p[0] > 0) {
+          this._eatBits(p[0]);
+
+          return p[1];
+        }
+      } else {
+        let result = this._findTableCode(2, 6, blackTable3);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(7, 12, blackTable2, 64);
+
+        if (result[0]) {
+          return result[1];
+        }
+
+        result = this._findTableCode(10, 13, blackTable1);
+
+        if (result[0]) {
+          return result[1];
+        }
+      }
+
+      (0, _util.info)("bad black code");
+
+      this._eatBits(1);
+
+      return 1;
+    },
+
+    _lookBits(n) {
+      let c;
+
+      while (this.inputBits < n) {
+        if ((c = this.source.next()) === -1) {
+          if (this.inputBits === 0) {
+            return ccittEOF;
+          }
+
+          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
+        }
+
+        this.inputBuf = this.inputBuf << 8 | c;
+        this.inputBits += 8;
+      }
+
+      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
+    },
+
+    _eatBits(n) {
+      if ((this.inputBits -= n) < 0) {
+        this.inputBits = 0;
+      }
+    }
+
+  };
+  return CCITTFaxDecoder;
+}();
+
+exports.CCITTFaxDecoder = CCITTFaxDecoder;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/ccitt_stream.js b/node_modules/pdfjs-dist/lib/core/ccitt_stream.js
new file mode 100644
index 00000000..826b8972
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/ccitt_stream.js
@@ -0,0 +1,82 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CCITTFaxStream = void 0;
+
+var _primitives = require("./primitives.js");
+
+var _ccitt = require("./ccitt.js");
+
+var _stream = require("./stream.js");
+
+var CCITTFaxStream = function CCITTFaxStreamClosure() {
+  function CCITTFaxStream(str, maybeLength, params) {
+    this.str = str;
+    this.dict = str.dict;
+
+    if (!(0, _primitives.isDict)(params)) {
+      params = _primitives.Dict.empty;
+    }
+
+    const source = {
+      next() {
+        return str.getByte();
+      }
+
+    };
+    this.ccittFaxDecoder = new _ccitt.CCITTFaxDecoder(source, {
+      K: params.get("K"),
+      EndOfLine: params.get("EndOfLine"),
+      EncodedByteAlign: params.get("EncodedByteAlign"),
+      Columns: params.get("Columns"),
+      Rows: params.get("Rows"),
+      EndOfBlock: params.get("EndOfBlock"),
+      BlackIs1: params.get("BlackIs1")
+    });
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  CCITTFaxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+
+  CCITTFaxStream.prototype.readBlock = function () {
+    while (!this.eof) {
+      const c = this.ccittFaxDecoder.readNextChar();
+
+      if (c === -1) {
+        this.eof = true;
+        return;
+      }
+
+      this.ensureBuffer(this.bufferLength + 1);
+      this.buffer[this.bufferLength++] = c;
+    }
+  };
+
+  return CCITTFaxStream;
+}();
+
+exports.CCITTFaxStream = CCITTFaxStream;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/cff_parser.js b/node_modules/pdfjs-dist/lib/core/cff_parser.js
new file mode 100644
index 00000000..f00d7fa8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/cff_parser.js
@@ -0,0 +1,1846 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CFFFDSelect = exports.CFFCompiler = exports.CFFPrivateDict = exports.CFFTopDict = exports.CFFCharset = exports.CFFIndex = exports.CFFStrings = exports.CFFHeader = exports.CFF = exports.CFFParser = exports.CFFStandardStrings = void 0;
+
+var _util = require("../shared/util.js");
+
+var _charsets = require("./charsets.js");
+
+var _encodings = require("./encodings.js");
+
+var MAX_SUBR_NESTING = 10;
+var CFFStandardStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003", "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold"];
+exports.CFFStandardStrings = CFFStandardStrings;
+const NUM_STANDARD_CFF_STRINGS = 391;
+
+var CFFParser = function CFFParserClosure() {
+  var CharstringValidationData = [null, {
+    id: "hstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, null, {
+    id: "vstem",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "vmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "rlineto",
+    min: 2,
+    resetStack: true
+  }, {
+    id: "hlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "vlineto",
+    min: 1,
+    resetStack: true
+  }, {
+    id: "rrcurveto",
+    min: 6,
+    resetStack: true
+  }, null, {
+    id: "callsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "return",
+    min: 0,
+    undefStack: true
+  }, null, null, {
+    id: "endchar",
+    min: 0,
+    stackClearing: true
+  }, null, null, null, {
+    id: "hstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "hintmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "cntrmask",
+    min: 0,
+    stackClearing: true
+  }, {
+    id: "rmoveto",
+    min: 2,
+    stackClearing: true
+  }, {
+    id: "hmoveto",
+    min: 1,
+    stackClearing: true
+  }, {
+    id: "vstemhm",
+    min: 2,
+    stackClearing: true,
+    stem: true
+  }, {
+    id: "rcurveline",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "rlinecurve",
+    min: 8,
+    resetStack: true
+  }, {
+    id: "vvcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hhcurveto",
+    min: 4,
+    resetStack: true
+  }, null, {
+    id: "callgsubr",
+    min: 1,
+    undefStack: true
+  }, {
+    id: "vhcurveto",
+    min: 4,
+    resetStack: true
+  }, {
+    id: "hvcurveto",
+    min: 4,
+    resetStack: true
+  }];
+  var CharstringValidationData12 = [null, null, null, {
+    id: "and",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "or",
+    min: 2,
+    stackDelta: -1
+  }, {
+    id: "not",
+    min: 1,
+    stackDelta: 0
+  }, null, null, null, {
+    id: "abs",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "add",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] + stack[index - 1];
+    }
+  }, {
+    id: "sub",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] - stack[index - 1];
+    }
+  }, {
+    id: "div",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] / stack[index - 1];
+    }
+  }, null, {
+    id: "neg",
+    min: 1,
+    stackDelta: 0,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 1] = -stack[index - 1];
+    }
+  }, {
+    id: "eq",
+    min: 2,
+    stackDelta: -1
+  }, null, null, {
+    id: "drop",
+    min: 1,
+    stackDelta: -1
+  }, null, {
+    id: "put",
+    min: 2,
+    stackDelta: -2
+  }, {
+    id: "get",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "ifelse",
+    min: 4,
+    stackDelta: -3
+  }, {
+    id: "random",
+    min: 0,
+    stackDelta: 1
+  }, {
+    id: "mul",
+    min: 2,
+    stackDelta: -1,
+    stackFn: function stack_div(stack, index) {
+      stack[index - 2] = stack[index - 2] * stack[index - 1];
+    }
+  }, null, {
+    id: "sqrt",
+    min: 1,
+    stackDelta: 0
+  }, {
+    id: "dup",
+    min: 1,
+    stackDelta: 1
+  }, {
+    id: "exch",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "index",
+    min: 2,
+    stackDelta: 0
+  }, {
+    id: "roll",
+    min: 3,
+    stackDelta: -2
+  }, null, null, null, {
+    id: "hflex",
+    min: 7,
+    resetStack: true
+  }, {
+    id: "flex",
+    min: 13,
+    resetStack: true
+  }, {
+    id: "hflex1",
+    min: 9,
+    resetStack: true
+  }, {
+    id: "flex1",
+    min: 11,
+    resetStack: true
+  }];
+
+  class CFFParser {
+    constructor(file, properties, seacAnalysisEnabled) {
+      this.bytes = file.getBytes();
+      this.properties = properties;
+      this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    }
+
+    parse() {
+      var properties = this.properties;
+      var cff = new CFF();
+      this.cff = cff;
+      var header = this.parseHeader();
+      var nameIndex = this.parseIndex(header.endPos);
+      var topDictIndex = this.parseIndex(nameIndex.endPos);
+      var stringIndex = this.parseIndex(topDictIndex.endPos);
+      var globalSubrIndex = this.parseIndex(stringIndex.endPos);
+      var topDictParsed = this.parseDict(topDictIndex.obj.get(0));
+      var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);
+      cff.header = header.obj;
+      cff.names = this.parseNameIndex(nameIndex.obj);
+      cff.strings = this.parseStringIndex(stringIndex.obj);
+      cff.topDict = topDict;
+      cff.globalSubrIndex = globalSubrIndex.obj;
+      this.parsePrivateDict(cff.topDict);
+      cff.isCIDFont = topDict.hasName("ROS");
+      var charStringOffset = topDict.getByName("CharStrings");
+      var charStringIndex = this.parseIndex(charStringOffset).obj;
+      var fontMatrix = topDict.getByName("FontMatrix");
+
+      if (fontMatrix) {
+        properties.fontMatrix = fontMatrix;
+      }
+
+      var fontBBox = topDict.getByName("FontBBox");
+
+      if (fontBBox) {
+        properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+        properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+        properties.ascentScaled = true;
+      }
+
+      var charset, encoding;
+
+      if (cff.isCIDFont) {
+        var fdArrayIndex = this.parseIndex(topDict.getByName("FDArray")).obj;
+
+        for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {
+          var dictRaw = fdArrayIndex.get(i);
+          var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings);
+          this.parsePrivateDict(fontDict);
+          cff.fdArray.push(fontDict);
+        }
+
+        encoding = null;
+        charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, true);
+        cff.fdSelect = this.parseFDSelect(topDict.getByName("FDSelect"), charStringIndex.count);
+      } else {
+        charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, false);
+        encoding = this.parseEncoding(topDict.getByName("Encoding"), properties, cff.strings, charset.charset);
+      }
+
+      cff.charset = charset;
+      cff.encoding = encoding;
+      var charStringsAndSeacs = this.parseCharStrings({
+        charStrings: charStringIndex,
+        localSubrIndex: topDict.privateDict.subrsIndex,
+        globalSubrIndex: globalSubrIndex.obj,
+        fdSelect: cff.fdSelect,
+        fdArray: cff.fdArray,
+        privateDict: topDict.privateDict
+      });
+      cff.charStrings = charStringsAndSeacs.charStrings;
+      cff.seacs = charStringsAndSeacs.seacs;
+      cff.widths = charStringsAndSeacs.widths;
+      return cff;
+    }
+
+    parseHeader() {
+      var bytes = this.bytes;
+      var bytesLength = bytes.length;
+      var offset = 0;
+
+      while (offset < bytesLength && bytes[offset] !== 1) {
+        ++offset;
+      }
+
+      if (offset >= bytesLength) {
+        throw new _util.FormatError("Invalid CFF header");
+      }
+
+      if (offset !== 0) {
+        (0, _util.info)("cff data is shifted");
+        bytes = bytes.subarray(offset);
+        this.bytes = bytes;
+      }
+
+      var major = bytes[0];
+      var minor = bytes[1];
+      var hdrSize = bytes[2];
+      var offSize = bytes[3];
+      var header = new CFFHeader(major, minor, hdrSize, offSize);
+      return {
+        obj: header,
+        endPos: hdrSize
+      };
+    }
+
+    parseDict(dict) {
+      var pos = 0;
+
+      function parseOperand() {
+        var value = dict[pos++];
+
+        if (value === 30) {
+          return parseFloatOperand();
+        } else if (value === 28) {
+          value = dict[pos++];
+          value = (value << 24 | dict[pos++] << 16) >> 16;
+          return value;
+        } else if (value === 29) {
+          value = dict[pos++];
+          value = value << 8 | dict[pos++];
+          value = value << 8 | dict[pos++];
+          value = value << 8 | dict[pos++];
+          return value;
+        } else if (value >= 32 && value <= 246) {
+          return value - 139;
+        } else if (value >= 247 && value <= 250) {
+          return (value - 247) * 256 + dict[pos++] + 108;
+        } else if (value >= 251 && value <= 254) {
+          return -((value - 251) * 256) - dict[pos++] - 108;
+        }
+
+        (0, _util.warn)('CFFParser_parseDict: "' + value + '" is a reserved command.');
+        return NaN;
+      }
+
+      function parseFloatOperand() {
+        var str = "";
+        var eof = 15;
+        const lookup = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "E", "E-", null, "-"];
+        var length = dict.length;
+
+        while (pos < length) {
+          var b = dict[pos++];
+          var b1 = b >> 4;
+          var b2 = b & 15;
+
+          if (b1 === eof) {
+            break;
+          }
+
+          str += lookup[b1];
+
+          if (b2 === eof) {
+            break;
+          }
+
+          str += lookup[b2];
+        }
+
+        return parseFloat(str);
+      }
+
+      var operands = [];
+      var entries = [];
+      pos = 0;
+      var end = dict.length;
+
+      while (pos < end) {
+        var b = dict[pos];
+
+        if (b <= 21) {
+          if (b === 12) {
+            b = b << 8 | dict[++pos];
+          }
+
+          entries.push([b, operands]);
+          operands = [];
+          ++pos;
+        } else {
+          operands.push(parseOperand());
+        }
+      }
+
+      return entries;
+    }
+
+    parseIndex(pos) {
+      var cffIndex = new CFFIndex();
+      var bytes = this.bytes;
+      var count = bytes[pos++] << 8 | bytes[pos++];
+      var offsets = [];
+      var end = pos;
+      var i, ii;
+
+      if (count !== 0) {
+        var offsetSize = bytes[pos++];
+        var startPos = pos + (count + 1) * offsetSize - 1;
+
+        for (i = 0, ii = count + 1; i < ii; ++i) {
+          var offset = 0;
+
+          for (var j = 0; j < offsetSize; ++j) {
+            offset <<= 8;
+            offset += bytes[pos++];
+          }
+
+          offsets.push(startPos + offset);
+        }
+
+        end = offsets[count];
+      }
+
+      for (i = 0, ii = offsets.length - 1; i < ii; ++i) {
+        var offsetStart = offsets[i];
+        var offsetEnd = offsets[i + 1];
+        cffIndex.add(bytes.subarray(offsetStart, offsetEnd));
+      }
+
+      return {
+        obj: cffIndex,
+        endPos: end
+      };
+    }
+
+    parseNameIndex(index) {
+      var names = [];
+
+      for (var i = 0, ii = index.count; i < ii; ++i) {
+        var name = index.get(i);
+        names.push((0, _util.bytesToString)(name));
+      }
+
+      return names;
+    }
+
+    parseStringIndex(index) {
+      var strings = new CFFStrings();
+
+      for (var i = 0, ii = index.count; i < ii; ++i) {
+        var data = index.get(i);
+        strings.add((0, _util.bytesToString)(data));
+      }
+
+      return strings;
+    }
+
+    createDict(Type, dict, strings) {
+      var cffDict = new Type(strings);
+
+      for (var i = 0, ii = dict.length; i < ii; ++i) {
+        var pair = dict[i];
+        var key = pair[0];
+        var value = pair[1];
+        cffDict.setByKey(key, value);
+      }
+
+      return cffDict;
+    }
+
+    parseCharString(state, data, localSubrIndex, globalSubrIndex) {
+      if (!data || state.callDepth > MAX_SUBR_NESTING) {
+        return false;
+      }
+
+      var stackSize = state.stackSize;
+      var stack = state.stack;
+      var length = data.length;
+
+      for (var j = 0; j < length;) {
+        var value = data[j++];
+        var validationCommand = null;
+
+        if (value === 12) {
+          var q = data[j++];
+
+          if (q === 0) {
+            data[j - 2] = 139;
+            data[j - 1] = 22;
+            stackSize = 0;
+          } else {
+            validationCommand = CharstringValidationData12[q];
+          }
+        } else if (value === 28) {
+          stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16;
+          j += 2;
+          stackSize++;
+        } else if (value === 14) {
+          if (stackSize >= 4) {
+            stackSize -= 4;
+
+            if (this.seacAnalysisEnabled) {
+              state.seac = stack.slice(stackSize, stackSize + 4);
+              return false;
+            }
+          }
+
+          validationCommand = CharstringValidationData[value];
+        } else if (value >= 32 && value <= 246) {
+          stack[stackSize] = value - 139;
+          stackSize++;
+        } else if (value >= 247 && value <= 254) {
+          stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108;
+          j++;
+          stackSize++;
+        } else if (value === 255) {
+          stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536;
+          j += 4;
+          stackSize++;
+        } else if (value === 19 || value === 20) {
+          state.hints += stackSize >> 1;
+          j += state.hints + 7 >> 3;
+          stackSize %= 2;
+          validationCommand = CharstringValidationData[value];
+        } else if (value === 10 || value === 29) {
+          var subrsIndex;
+
+          if (value === 10) {
+            subrsIndex = localSubrIndex;
+          } else {
+            subrsIndex = globalSubrIndex;
+          }
+
+          if (!subrsIndex) {
+            validationCommand = CharstringValidationData[value];
+            (0, _util.warn)("Missing subrsIndex for " + validationCommand.id);
+            return false;
+          }
+
+          var bias = 32768;
+
+          if (subrsIndex.count < 1240) {
+            bias = 107;
+          } else if (subrsIndex.count < 33900) {
+            bias = 1131;
+          }
+
+          var subrNumber = stack[--stackSize] + bias;
+
+          if (subrNumber < 0 || subrNumber >= subrsIndex.count || isNaN(subrNumber)) {
+            validationCommand = CharstringValidationData[value];
+            (0, _util.warn)("Out of bounds subrIndex for " + validationCommand.id);
+            return false;
+          }
+
+          state.stackSize = stackSize;
+          state.callDepth++;
+          var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex);
+
+          if (!valid) {
+            return false;
+          }
+
+          state.callDepth--;
+          stackSize = state.stackSize;
+          continue;
+        } else if (value === 11) {
+          state.stackSize = stackSize;
+          return true;
+        } else {
+          validationCommand = CharstringValidationData[value];
+        }
+
+        if (validationCommand) {
+          if (validationCommand.stem) {
+            state.hints += stackSize >> 1;
+
+            if (value === 3 || value === 23) {
+              state.hasVStems = true;
+            } else if (state.hasVStems && (value === 1 || value === 18)) {
+              (0, _util.warn)("CFF stem hints are in wrong order");
+              data[j - 1] = value === 1 ? 3 : 23;
+            }
+          }
+
+          if ("min" in validationCommand) {
+            if (!state.undefStack && stackSize < validationCommand.min) {
+              (0, _util.warn)("Not enough parameters for " + validationCommand.id + "; actual: " + stackSize + ", expected: " + validationCommand.min);
+              return false;
+            }
+          }
+
+          if (state.firstStackClearing && validationCommand.stackClearing) {
+            state.firstStackClearing = false;
+            stackSize -= validationCommand.min;
+
+            if (stackSize >= 2 && validationCommand.stem) {
+              stackSize %= 2;
+            } else if (stackSize > 1) {
+              (0, _util.warn)("Found too many parameters for stack-clearing command");
+            }
+
+            if (stackSize > 0 && stack[stackSize - 1] >= 0) {
+              state.width = stack[stackSize - 1];
+            }
+          }
+
+          if ("stackDelta" in validationCommand) {
+            if ("stackFn" in validationCommand) {
+              validationCommand.stackFn(stack, stackSize);
+            }
+
+            stackSize += validationCommand.stackDelta;
+          } else if (validationCommand.stackClearing) {
+            stackSize = 0;
+          } else if (validationCommand.resetStack) {
+            stackSize = 0;
+            state.undefStack = false;
+          } else if (validationCommand.undefStack) {
+            stackSize = 0;
+            state.undefStack = true;
+            state.firstStackClearing = false;
+          }
+        }
+      }
+
+      state.stackSize = stackSize;
+      return true;
+    }
+
+    parseCharStrings({
+      charStrings,
+      localSubrIndex,
+      globalSubrIndex,
+      fdSelect,
+      fdArray,
+      privateDict
+    }) {
+      var seacs = [];
+      var widths = [];
+      var count = charStrings.count;
+
+      for (var i = 0; i < count; i++) {
+        var charstring = charStrings.get(i);
+        var state = {
+          callDepth: 0,
+          stackSize: 0,
+          stack: [],
+          undefStack: true,
+          hints: 0,
+          firstStackClearing: true,
+          seac: null,
+          width: null,
+          hasVStems: false
+        };
+        var valid = true;
+        var localSubrToUse = null;
+        var privateDictToUse = privateDict;
+
+        if (fdSelect && fdArray.length) {
+          var fdIndex = fdSelect.getFDIndex(i);
+
+          if (fdIndex === -1) {
+            (0, _util.warn)("Glyph index is not in fd select.");
+            valid = false;
+          }
+
+          if (fdIndex >= fdArray.length) {
+            (0, _util.warn)("Invalid fd index for glyph index.");
+            valid = false;
+          }
+
+          if (valid) {
+            privateDictToUse = fdArray[fdIndex].privateDict;
+            localSubrToUse = privateDictToUse.subrsIndex;
+          }
+        } else if (localSubrIndex) {
+          localSubrToUse = localSubrIndex;
+        }
+
+        if (valid) {
+          valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex);
+        }
+
+        if (state.width !== null) {
+          const nominalWidth = privateDictToUse.getByName("nominalWidthX");
+          widths[i] = nominalWidth + state.width;
+        } else {
+          const defaultWidth = privateDictToUse.getByName("defaultWidthX");
+          widths[i] = defaultWidth;
+        }
+
+        if (state.seac !== null) {
+          seacs[i] = state.seac;
+        }
+
+        if (!valid) {
+          charStrings.set(i, new Uint8Array([14]));
+        }
+      }
+
+      return {
+        charStrings,
+        seacs,
+        widths
+      };
+    }
+
+    emptyPrivateDictionary(parentDict) {
+      var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);
+      parentDict.setByKey(18, [0, 0]);
+      parentDict.privateDict = privateDict;
+    }
+
+    parsePrivateDict(parentDict) {
+      if (!parentDict.hasName("Private")) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var privateOffset = parentDict.getByName("Private");
+
+      if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {
+        parentDict.removeByName("Private");
+        return;
+      }
+
+      var size = privateOffset[0];
+      var offset = privateOffset[1];
+
+      if (size === 0 || offset >= this.bytes.length) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var privateDictEnd = offset + size;
+      var dictData = this.bytes.subarray(offset, privateDictEnd);
+      var dict = this.parseDict(dictData);
+      var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings);
+      parentDict.privateDict = privateDict;
+
+      if (!privateDict.getByName("Subrs")) {
+        return;
+      }
+
+      var subrsOffset = privateDict.getByName("Subrs");
+      var relativeOffset = offset + subrsOffset;
+
+      if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {
+        this.emptyPrivateDictionary(parentDict);
+        return;
+      }
+
+      var subrsIndex = this.parseIndex(relativeOffset);
+      privateDict.subrsIndex = subrsIndex.obj;
+    }
+
+    parseCharsets(pos, length, strings, cid) {
+      if (pos === 0) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, _charsets.ISOAdobeCharset);
+      } else if (pos === 1) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, _charsets.ExpertCharset);
+      } else if (pos === 2) {
+        return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, _charsets.ExpertSubsetCharset);
+      }
+
+      var bytes = this.bytes;
+      var start = pos;
+      var format = bytes[pos++];
+      const charset = [cid ? 0 : ".notdef"];
+      var id, count, i;
+      length -= 1;
+
+      switch (format) {
+        case 0:
+          for (i = 0; i < length; i++) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            charset.push(cid ? id : strings.get(id));
+          }
+
+          break;
+
+        case 1:
+          while (charset.length <= length) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            count = bytes[pos++];
+
+            for (i = 0; i <= count; i++) {
+              charset.push(cid ? id++ : strings.get(id++));
+            }
+          }
+
+          break;
+
+        case 2:
+          while (charset.length <= length) {
+            id = bytes[pos++] << 8 | bytes[pos++];
+            count = bytes[pos++] << 8 | bytes[pos++];
+
+            for (i = 0; i <= count; i++) {
+              charset.push(cid ? id++ : strings.get(id++));
+            }
+          }
+
+          break;
+
+        default:
+          throw new _util.FormatError("Unknown charset format");
+      }
+
+      var end = pos;
+      var raw = bytes.subarray(start, end);
+      return new CFFCharset(false, format, charset, raw);
+    }
+
+    parseEncoding(pos, properties, strings, charset) {
+      var encoding = Object.create(null);
+      var bytes = this.bytes;
+      var predefined = false;
+      var format, i, ii;
+      var raw = null;
+
+      function readSupplement() {
+        var supplementsCount = bytes[pos++];
+
+        for (i = 0; i < supplementsCount; i++) {
+          var code = bytes[pos++];
+          var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);
+          encoding[code] = charset.indexOf(strings.get(sid));
+        }
+      }
+
+      if (pos === 0 || pos === 1) {
+        predefined = true;
+        format = pos;
+        var baseEncoding = pos ? _encodings.ExpertEncoding : _encodings.StandardEncoding;
+
+        for (i = 0, ii = charset.length; i < ii; i++) {
+          var index = baseEncoding.indexOf(charset[i]);
+
+          if (index !== -1) {
+            encoding[index] = i;
+          }
+        }
+      } else {
+        var dataStart = pos;
+        format = bytes[pos++];
+
+        switch (format & 0x7f) {
+          case 0:
+            var glyphsCount = bytes[pos++];
+
+            for (i = 1; i <= glyphsCount; i++) {
+              encoding[bytes[pos++]] = i;
+            }
+
+            break;
+
+          case 1:
+            var rangesCount = bytes[pos++];
+            var gid = 1;
+
+            for (i = 0; i < rangesCount; i++) {
+              var start = bytes[pos++];
+              var left = bytes[pos++];
+
+              for (var j = start; j <= start + left; j++) {
+                encoding[j] = gid++;
+              }
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown encoding format: ${format} in CFF`);
+        }
+
+        var dataEnd = pos;
+
+        if (format & 0x80) {
+          bytes[dataStart] &= 0x7f;
+          readSupplement();
+        }
+
+        raw = bytes.subarray(dataStart, dataEnd);
+      }
+
+      format = format & 0x7f;
+      return new CFFEncoding(predefined, format, encoding, raw);
+    }
+
+    parseFDSelect(pos, length) {
+      var bytes = this.bytes;
+      var format = bytes[pos++];
+      var fdSelect = [];
+      var i;
+
+      switch (format) {
+        case 0:
+          for (i = 0; i < length; ++i) {
+            var id = bytes[pos++];
+            fdSelect.push(id);
+          }
+
+          break;
+
+        case 3:
+          var rangesCount = bytes[pos++] << 8 | bytes[pos++];
+
+          for (i = 0; i < rangesCount; ++i) {
+            var first = bytes[pos++] << 8 | bytes[pos++];
+
+            if (i === 0 && first !== 0) {
+              (0, _util.warn)("parseFDSelect: The first range must have a first GID of 0" + " -- trying to recover.");
+              first = 0;
+            }
+
+            var fdIndex = bytes[pos++];
+            var next = bytes[pos] << 8 | bytes[pos + 1];
+
+            for (var j = first; j < next; ++j) {
+              fdSelect.push(fdIndex);
+            }
+          }
+
+          pos += 2;
+          break;
+
+        default:
+          throw new _util.FormatError(`parseFDSelect: Unknown format "${format}".`);
+      }
+
+      if (fdSelect.length !== length) {
+        throw new _util.FormatError("parseFDSelect: Invalid font data.");
+      }
+
+      return new CFFFDSelect(format, fdSelect);
+    }
+
+  }
+
+  return CFFParser;
+}();
+
+exports.CFFParser = CFFParser;
+
+class CFF {
+  constructor() {
+    this.header = null;
+    this.names = [];
+    this.topDict = null;
+    this.strings = new CFFStrings();
+    this.globalSubrIndex = null;
+    this.encoding = null;
+    this.charset = null;
+    this.charStrings = null;
+    this.fdArray = [];
+    this.fdSelect = null;
+    this.isCIDFont = false;
+  }
+
+  duplicateFirstGlyph() {
+    if (this.charStrings.count >= 65535) {
+      (0, _util.warn)("Not enough space in charstrings to duplicate first glyph.");
+      return;
+    }
+
+    var glyphZero = this.charStrings.get(0);
+    this.charStrings.add(glyphZero);
+
+    if (this.isCIDFont) {
+      this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]);
+    }
+  }
+
+  hasGlyphId(id) {
+    if (id < 0 || id >= this.charStrings.count) {
+      return false;
+    }
+
+    var glyph = this.charStrings.get(id);
+    return glyph.length > 0;
+  }
+
+}
+
+exports.CFF = CFF;
+
+class CFFHeader {
+  constructor(major, minor, hdrSize, offSize) {
+    this.major = major;
+    this.minor = minor;
+    this.hdrSize = hdrSize;
+    this.offSize = offSize;
+  }
+
+}
+
+exports.CFFHeader = CFFHeader;
+
+class CFFStrings {
+  constructor() {
+    this.strings = [];
+  }
+
+  get(index) {
+    if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) {
+      return CFFStandardStrings[index];
+    }
+
+    if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) {
+      return this.strings[index - NUM_STANDARD_CFF_STRINGS];
+    }
+
+    return CFFStandardStrings[0];
+  }
+
+  getSID(str) {
+    let index = CFFStandardStrings.indexOf(str);
+
+    if (index !== -1) {
+      return index;
+    }
+
+    index = this.strings.indexOf(str);
+
+    if (index !== -1) {
+      return index + NUM_STANDARD_CFF_STRINGS;
+    }
+
+    return -1;
+  }
+
+  add(value) {
+    this.strings.push(value);
+  }
+
+  get count() {
+    return this.strings.length;
+  }
+
+}
+
+exports.CFFStrings = CFFStrings;
+
+class CFFIndex {
+  constructor() {
+    this.objects = [];
+    this.length = 0;
+  }
+
+  add(data) {
+    this.length += data.length;
+    this.objects.push(data);
+  }
+
+  set(index, data) {
+    this.length += data.length - this.objects[index].length;
+    this.objects[index] = data;
+  }
+
+  get(index) {
+    return this.objects[index];
+  }
+
+  get count() {
+    return this.objects.length;
+  }
+
+}
+
+exports.CFFIndex = CFFIndex;
+
+class CFFDict {
+  constructor(tables, strings) {
+    this.keyToNameMap = tables.keyToNameMap;
+    this.nameToKeyMap = tables.nameToKeyMap;
+    this.defaults = tables.defaults;
+    this.types = tables.types;
+    this.opcodes = tables.opcodes;
+    this.order = tables.order;
+    this.strings = strings;
+    this.values = Object.create(null);
+  }
+
+  setByKey(key, value) {
+    if (!(key in this.keyToNameMap)) {
+      return false;
+    }
+
+    var valueLength = value.length;
+
+    if (valueLength === 0) {
+      return true;
+    }
+
+    for (var i = 0; i < valueLength; i++) {
+      if (isNaN(value[i])) {
+        (0, _util.warn)('Invalid CFFDict value: "' + value + '" for key "' + key + '".');
+        return true;
+      }
+    }
+
+    var type = this.types[key];
+
+    if (type === "num" || type === "sid" || type === "offset") {
+      value = value[0];
+    }
+
+    this.values[key] = value;
+    return true;
+  }
+
+  setByName(name, value) {
+    if (!(name in this.nameToKeyMap)) {
+      throw new _util.FormatError(`Invalid dictionary name "${name}"`);
+    }
+
+    this.values[this.nameToKeyMap[name]] = value;
+  }
+
+  hasName(name) {
+    return this.nameToKeyMap[name] in this.values;
+  }
+
+  getByName(name) {
+    if (!(name in this.nameToKeyMap)) {
+      throw new _util.FormatError(`Invalid dictionary name ${name}"`);
+    }
+
+    var key = this.nameToKeyMap[name];
+
+    if (!(key in this.values)) {
+      return this.defaults[key];
+    }
+
+    return this.values[key];
+  }
+
+  removeByName(name) {
+    delete this.values[this.nameToKeyMap[name]];
+  }
+
+  static createTables(layout) {
+    var tables = {
+      keyToNameMap: {},
+      nameToKeyMap: {},
+      defaults: {},
+      types: {},
+      opcodes: {},
+      order: []
+    };
+
+    for (var i = 0, ii = layout.length; i < ii; ++i) {
+      var entry = layout[i];
+      var key = Array.isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0];
+      tables.keyToNameMap[key] = entry[1];
+      tables.nameToKeyMap[entry[1]] = key;
+      tables.types[key] = entry[2];
+      tables.defaults[key] = entry[3];
+      tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];
+      tables.order.push(key);
+    }
+
+    return tables;
+  }
+
+}
+
+var CFFTopDict = function CFFTopDictClosure() {
+  var layout = [[[12, 30], "ROS", ["sid", "sid", "num"], null], [[12, 20], "SyntheticBase", "num", null], [0, "version", "sid", null], [1, "Notice", "sid", null], [[12, 0], "Copyright", "sid", null], [2, "FullName", "sid", null], [3, "FamilyName", "sid", null], [4, "Weight", "sid", null], [[12, 1], "isFixedPitch", "num", 0], [[12, 2], "ItalicAngle", "num", 0], [[12, 3], "UnderlinePosition", "num", -100], [[12, 4], "UnderlineThickness", "num", 50], [[12, 5], "PaintType", "num", 0], [[12, 6], "CharstringType", "num", 2], [[12, 7], "FontMatrix", ["num", "num", "num", "num", "num", "num"], [0.001, 0, 0, 0.001, 0, 0]], [13, "UniqueID", "num", null], [5, "FontBBox", ["num", "num", "num", "num"], [0, 0, 0, 0]], [[12, 8], "StrokeWidth", "num", 0], [14, "XUID", "array", null], [15, "charset", "offset", 0], [16, "Encoding", "offset", 0], [17, "CharStrings", "offset", 0], [18, "Private", ["offset", "offset"], null], [[12, 21], "PostScript", "sid", null], [[12, 22], "BaseFontName", "sid", null], [[12, 23], "BaseFontBlend", "delta", null], [[12, 31], "CIDFontVersion", "num", 0], [[12, 32], "CIDFontRevision", "num", 0], [[12, 33], "CIDFontType", "num", 0], [[12, 34], "CIDCount", "num", 8720], [[12, 35], "UIDBase", "num", null], [[12, 37], "FDSelect", "offset", null], [[12, 36], "FDArray", "offset", null], [[12, 38], "FontName", "sid", null]];
+  var tables = null;
+
+  class CFFTopDict extends CFFDict {
+    constructor(strings) {
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      super(tables, strings);
+      this.privateDict = null;
+    }
+
+  }
+
+  return CFFTopDict;
+}();
+
+exports.CFFTopDict = CFFTopDict;
+
+var CFFPrivateDict = function CFFPrivateDictClosure() {
+  var layout = [[6, "BlueValues", "delta", null], [7, "OtherBlues", "delta", null], [8, "FamilyBlues", "delta", null], [9, "FamilyOtherBlues", "delta", null], [[12, 9], "BlueScale", "num", 0.039625], [[12, 10], "BlueShift", "num", 7], [[12, 11], "BlueFuzz", "num", 1], [10, "StdHW", "num", null], [11, "StdVW", "num", null], [[12, 12], "StemSnapH", "delta", null], [[12, 13], "StemSnapV", "delta", null], [[12, 14], "ForceBold", "num", 0], [[12, 17], "LanguageGroup", "num", 0], [[12, 18], "ExpansionFactor", "num", 0.06], [[12, 19], "initialRandomSeed", "num", 0], [20, "defaultWidthX", "num", 0], [21, "nominalWidthX", "num", 0], [19, "Subrs", "offset", null]];
+  var tables = null;
+
+  class CFFPrivateDict extends CFFDict {
+    constructor(strings) {
+      if (tables === null) {
+        tables = CFFDict.createTables(layout);
+      }
+
+      super(tables, strings);
+      this.subrsIndex = null;
+    }
+
+  }
+
+  return CFFPrivateDict;
+}();
+
+exports.CFFPrivateDict = CFFPrivateDict;
+var CFFCharsetPredefinedTypes = {
+  ISO_ADOBE: 0,
+  EXPERT: 1,
+  EXPERT_SUBSET: 2
+};
+
+class CFFCharset {
+  constructor(predefined, format, charset, raw) {
+    this.predefined = predefined;
+    this.format = format;
+    this.charset = charset;
+    this.raw = raw;
+  }
+
+}
+
+exports.CFFCharset = CFFCharset;
+
+class CFFEncoding {
+  constructor(predefined, format, encoding, raw) {
+    this.predefined = predefined;
+    this.format = format;
+    this.encoding = encoding;
+    this.raw = raw;
+  }
+
+}
+
+class CFFFDSelect {
+  constructor(format, fdSelect) {
+    this.format = format;
+    this.fdSelect = fdSelect;
+  }
+
+  getFDIndex(glyphIndex) {
+    if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {
+      return -1;
+    }
+
+    return this.fdSelect[glyphIndex];
+  }
+
+}
+
+exports.CFFFDSelect = CFFFDSelect;
+
+class CFFOffsetTracker {
+  constructor() {
+    this.offsets = Object.create(null);
+  }
+
+  isTracking(key) {
+    return key in this.offsets;
+  }
+
+  track(key, location) {
+    if (key in this.offsets) {
+      throw new _util.FormatError(`Already tracking location of ${key}`);
+    }
+
+    this.offsets[key] = location;
+  }
+
+  offset(value) {
+    for (var key in this.offsets) {
+      this.offsets[key] += value;
+    }
+  }
+
+  setEntryLocation(key, values, output) {
+    if (!(key in this.offsets)) {
+      throw new _util.FormatError(`Not tracking location of ${key}`);
+    }
+
+    var data = output.data;
+    var dataOffset = this.offsets[key];
+    var size = 5;
+
+    for (var i = 0, ii = values.length; i < ii; ++i) {
+      var offset0 = i * size + dataOffset;
+      var offset1 = offset0 + 1;
+      var offset2 = offset0 + 2;
+      var offset3 = offset0 + 3;
+      var offset4 = offset0 + 4;
+
+      if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) {
+        throw new _util.FormatError("writing to an offset that is not empty");
+      }
+
+      var value = values[i];
+      data[offset0] = 0x1d;
+      data[offset1] = value >> 24 & 0xff;
+      data[offset2] = value >> 16 & 0xff;
+      data[offset3] = value >> 8 & 0xff;
+      data[offset4] = value & 0xff;
+    }
+  }
+
+}
+
+class CFFCompiler {
+  constructor(cff) {
+    this.cff = cff;
+  }
+
+  compile() {
+    var cff = this.cff;
+    var output = {
+      data: [],
+      length: 0,
+      add: function CFFCompiler_add(data) {
+        this.data = this.data.concat(data);
+        this.length = this.data.length;
+      }
+    };
+    var header = this.compileHeader(cff.header);
+    output.add(header);
+    var nameIndex = this.compileNameIndex(cff.names);
+    output.add(nameIndex);
+
+    if (cff.isCIDFont) {
+      if (cff.topDict.hasName("FontMatrix")) {
+        var base = cff.topDict.getByName("FontMatrix");
+        cff.topDict.removeByName("FontMatrix");
+
+        for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {
+          var subDict = cff.fdArray[i];
+          var matrix = base.slice(0);
+
+          if (subDict.hasName("FontMatrix")) {
+            matrix = _util.Util.transform(matrix, subDict.getByName("FontMatrix"));
+          }
+
+          subDict.setByName("FontMatrix", matrix);
+        }
+      }
+    }
+
+    cff.topDict.setByName("charset", 0);
+    var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont);
+    output.add(compiled.output);
+    var topDictTracker = compiled.trackers[0];
+    var stringIndex = this.compileStringIndex(cff.strings.strings);
+    output.add(stringIndex);
+    var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);
+    output.add(globalSubrIndex);
+
+    if (cff.encoding && cff.topDict.hasName("Encoding")) {
+      if (cff.encoding.predefined) {
+        topDictTracker.setEntryLocation("Encoding", [cff.encoding.format], output);
+      } else {
+        var encoding = this.compileEncoding(cff.encoding);
+        topDictTracker.setEntryLocation("Encoding", [output.length], output);
+        output.add(encoding);
+      }
+    }
+
+    var charset = this.compileCharset(cff.charset, cff.charStrings.count, cff.strings, cff.isCIDFont);
+    topDictTracker.setEntryLocation("charset", [output.length], output);
+    output.add(charset);
+    var charStrings = this.compileCharStrings(cff.charStrings);
+    topDictTracker.setEntryLocation("CharStrings", [output.length], output);
+    output.add(charStrings);
+
+    if (cff.isCIDFont) {
+      topDictTracker.setEntryLocation("FDSelect", [output.length], output);
+      var fdSelect = this.compileFDSelect(cff.fdSelect);
+      output.add(fdSelect);
+      compiled = this.compileTopDicts(cff.fdArray, output.length, true);
+      topDictTracker.setEntryLocation("FDArray", [output.length], output);
+      output.add(compiled.output);
+      var fontDictTrackers = compiled.trackers;
+      this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);
+    }
+
+    this.compilePrivateDicts([cff.topDict], [topDictTracker], output);
+    output.add([0]);
+    return output.data;
+  }
+
+  encodeNumber(value) {
+    if (Number.isInteger(value)) {
+      return this.encodeInteger(value);
+    }
+
+    return this.encodeFloat(value);
+  }
+
+  static get EncodeFloatRegExp() {
+    return (0, _util.shadow)(this, "EncodeFloatRegExp", /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/);
+  }
+
+  encodeFloat(num) {
+    var value = num.toString();
+    var m = CFFCompiler.EncodeFloatRegExp.exec(value);
+
+    if (m) {
+      var epsilon = parseFloat("1e" + ((m[2] ? +m[2] : 0) + m[1].length));
+      value = (Math.round(num * epsilon) / epsilon).toString();
+    }
+
+    var nibbles = "";
+    var i, ii;
+
+    for (i = 0, ii = value.length; i < ii; ++i) {
+      var a = value[i];
+
+      if (a === "e") {
+        nibbles += value[++i] === "-" ? "c" : "b";
+      } else if (a === ".") {
+        nibbles += "a";
+      } else if (a === "-") {
+        nibbles += "e";
+      } else {
+        nibbles += a;
+      }
+    }
+
+    nibbles += nibbles.length & 1 ? "f" : "ff";
+    var out = [30];
+
+    for (i = 0, ii = nibbles.length; i < ii; i += 2) {
+      out.push(parseInt(nibbles.substring(i, i + 2), 16));
+    }
+
+    return out;
+  }
+
+  encodeInteger(value) {
+    var code;
+
+    if (value >= -107 && value <= 107) {
+      code = [value + 139];
+    } else if (value >= 108 && value <= 1131) {
+      value = value - 108;
+      code = [(value >> 8) + 247, value & 0xff];
+    } else if (value >= -1131 && value <= -108) {
+      value = -value - 108;
+      code = [(value >> 8) + 251, value & 0xff];
+    } else if (value >= -32768 && value <= 32767) {
+      code = [0x1c, value >> 8 & 0xff, value & 0xff];
+    } else {
+      code = [0x1d, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff];
+    }
+
+    return code;
+  }
+
+  compileHeader(header) {
+    return [header.major, header.minor, header.hdrSize, header.offSize];
+  }
+
+  compileNameIndex(names) {
+    var nameIndex = new CFFIndex();
+
+    for (var i = 0, ii = names.length; i < ii; ++i) {
+      var name = names[i];
+      var length = Math.min(name.length, 127);
+      var sanitizedName = new Array(length);
+
+      for (var j = 0; j < length; j++) {
+        var char = name[j];
+
+        if (char < "!" || char > "~" || char === "[" || char === "]" || char === "(" || char === ")" || char === "{" || char === "}" || char === "<" || char === ">" || char === "/" || char === "%") {
+          char = "_";
+        }
+
+        sanitizedName[j] = char;
+      }
+
+      sanitizedName = sanitizedName.join("");
+
+      if (sanitizedName === "") {
+        sanitizedName = "Bad_Font_Name";
+      }
+
+      nameIndex.add((0, _util.stringToBytes)(sanitizedName));
+    }
+
+    return this.compileIndex(nameIndex);
+  }
+
+  compileTopDicts(dicts, length, removeCidKeys) {
+    var fontDictTrackers = [];
+    var fdArrayIndex = new CFFIndex();
+
+    for (var i = 0, ii = dicts.length; i < ii; ++i) {
+      var fontDict = dicts[i];
+
+      if (removeCidKeys) {
+        fontDict.removeByName("CIDFontVersion");
+        fontDict.removeByName("CIDFontRevision");
+        fontDict.removeByName("CIDFontType");
+        fontDict.removeByName("CIDCount");
+        fontDict.removeByName("UIDBase");
+      }
+
+      var fontDictTracker = new CFFOffsetTracker();
+      var fontDictData = this.compileDict(fontDict, fontDictTracker);
+      fontDictTrackers.push(fontDictTracker);
+      fdArrayIndex.add(fontDictData);
+      fontDictTracker.offset(length);
+    }
+
+    fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);
+    return {
+      trackers: fontDictTrackers,
+      output: fdArrayIndex
+    };
+  }
+
+  compilePrivateDicts(dicts, trackers, output) {
+    for (var i = 0, ii = dicts.length; i < ii; ++i) {
+      var fontDict = dicts[i];
+      var privateDict = fontDict.privateDict;
+
+      if (!privateDict || !fontDict.hasName("Private")) {
+        throw new _util.FormatError("There must be a private dictionary.");
+      }
+
+      var privateDictTracker = new CFFOffsetTracker();
+      var privateDictData = this.compileDict(privateDict, privateDictTracker);
+      var outputLength = output.length;
+      privateDictTracker.offset(outputLength);
+
+      if (!privateDictData.length) {
+        outputLength = 0;
+      }
+
+      trackers[i].setEntryLocation("Private", [privateDictData.length, outputLength], output);
+      output.add(privateDictData);
+
+      if (privateDict.subrsIndex && privateDict.hasName("Subrs")) {
+        var subrs = this.compileIndex(privateDict.subrsIndex);
+        privateDictTracker.setEntryLocation("Subrs", [privateDictData.length], output);
+        output.add(subrs);
+      }
+    }
+  }
+
+  compileDict(dict, offsetTracker) {
+    var out = [];
+    var order = dict.order;
+
+    for (var i = 0; i < order.length; ++i) {
+      var key = order[i];
+
+      if (!(key in dict.values)) {
+        continue;
+      }
+
+      var values = dict.values[key];
+      var types = dict.types[key];
+
+      if (!Array.isArray(types)) {
+        types = [types];
+      }
+
+      if (!Array.isArray(values)) {
+        values = [values];
+      }
+
+      if (values.length === 0) {
+        continue;
+      }
+
+      for (var j = 0, jj = types.length; j < jj; ++j) {
+        var type = types[j];
+        var value = values[j];
+
+        switch (type) {
+          case "num":
+          case "sid":
+            out = out.concat(this.encodeNumber(value));
+            break;
+
+          case "offset":
+            var name = dict.keyToNameMap[key];
+
+            if (!offsetTracker.isTracking(name)) {
+              offsetTracker.track(name, out.length);
+            }
+
+            out = out.concat([0x1d, 0, 0, 0, 0]);
+            break;
+
+          case "array":
+          case "delta":
+            out = out.concat(this.encodeNumber(value));
+
+            for (var k = 1, kk = values.length; k < kk; ++k) {
+              out = out.concat(this.encodeNumber(values[k]));
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown data type of ${type}`);
+        }
+      }
+
+      out = out.concat(dict.opcodes[key]);
+    }
+
+    return out;
+  }
+
+  compileStringIndex(strings) {
+    var stringIndex = new CFFIndex();
+
+    for (var i = 0, ii = strings.length; i < ii; ++i) {
+      stringIndex.add((0, _util.stringToBytes)(strings[i]));
+    }
+
+    return this.compileIndex(stringIndex);
+  }
+
+  compileGlobalSubrIndex() {
+    var globalSubrIndex = this.cff.globalSubrIndex;
+    this.out.writeByteArray(this.compileIndex(globalSubrIndex));
+  }
+
+  compileCharStrings(charStrings) {
+    var charStringsIndex = new CFFIndex();
+
+    for (var i = 0; i < charStrings.count; i++) {
+      var glyph = charStrings.get(i);
+
+      if (glyph.length === 0) {
+        charStringsIndex.add(new Uint8Array([0x8b, 0x0e]));
+        continue;
+      }
+
+      charStringsIndex.add(glyph);
+    }
+
+    return this.compileIndex(charStringsIndex);
+  }
+
+  compileCharset(charset, numGlyphs, strings, isCIDFont) {
+    let out;
+    const numGlyphsLessNotDef = numGlyphs - 1;
+
+    if (isCIDFont) {
+      out = new Uint8Array([2, 0, 0, numGlyphsLessNotDef >> 8 & 0xff, numGlyphsLessNotDef & 0xff]);
+    } else {
+      const length = 1 + numGlyphsLessNotDef * 2;
+      out = new Uint8Array(length);
+      out[0] = 0;
+      let charsetIndex = 0;
+      const numCharsets = charset.charset.length;
+      let warned = false;
+
+      for (let i = 1; i < out.length; i += 2) {
+        let sid = 0;
+
+        if (charsetIndex < numCharsets) {
+          const name = charset.charset[charsetIndex++];
+          sid = strings.getSID(name);
+
+          if (sid === -1) {
+            sid = 0;
+
+            if (!warned) {
+              warned = true;
+              (0, _util.warn)(`Couldn't find ${name} in CFF strings`);
+            }
+          }
+        }
+
+        out[i] = sid >> 8 & 0xff;
+        out[i + 1] = sid & 0xff;
+      }
+    }
+
+    return this.compileTypedArray(out);
+  }
+
+  compileEncoding(encoding) {
+    return this.compileTypedArray(encoding.raw);
+  }
+
+  compileFDSelect(fdSelect) {
+    const format = fdSelect.format;
+    let out, i;
+
+    switch (format) {
+      case 0:
+        out = new Uint8Array(1 + fdSelect.fdSelect.length);
+        out[0] = format;
+
+        for (i = 0; i < fdSelect.fdSelect.length; i++) {
+          out[i + 1] = fdSelect.fdSelect[i];
+        }
+
+        break;
+
+      case 3:
+        const start = 0;
+        let lastFD = fdSelect.fdSelect[0];
+        const ranges = [format, 0, 0, start >> 8 & 0xff, start & 0xff, lastFD];
+
+        for (i = 1; i < fdSelect.fdSelect.length; i++) {
+          const currentFD = fdSelect.fdSelect[i];
+
+          if (currentFD !== lastFD) {
+            ranges.push(i >> 8 & 0xff, i & 0xff, currentFD);
+            lastFD = currentFD;
+          }
+        }
+
+        const numRanges = (ranges.length - 3) / 3;
+        ranges[1] = numRanges >> 8 & 0xff;
+        ranges[2] = numRanges & 0xff;
+        ranges.push(i >> 8 & 0xff, i & 0xff);
+        out = new Uint8Array(ranges);
+        break;
+    }
+
+    return this.compileTypedArray(out);
+  }
+
+  compileTypedArray(data) {
+    var out = [];
+
+    for (var i = 0, ii = data.length; i < ii; ++i) {
+      out[i] = data[i];
+    }
+
+    return out;
+  }
+
+  compileIndex(index, trackers = []) {
+    var objects = index.objects;
+    var count = objects.length;
+
+    if (count === 0) {
+      return [0, 0, 0];
+    }
+
+    var data = [count >> 8 & 0xff, count & 0xff];
+    var lastOffset = 1,
+        i;
+
+    for (i = 0; i < count; ++i) {
+      lastOffset += objects[i].length;
+    }
+
+    var offsetSize;
+
+    if (lastOffset < 0x100) {
+      offsetSize = 1;
+    } else if (lastOffset < 0x10000) {
+      offsetSize = 2;
+    } else if (lastOffset < 0x1000000) {
+      offsetSize = 3;
+    } else {
+      offsetSize = 4;
+    }
+
+    data.push(offsetSize);
+    var relativeOffset = 1;
+
+    for (i = 0; i < count + 1; i++) {
+      if (offsetSize === 1) {
+        data.push(relativeOffset & 0xff);
+      } else if (offsetSize === 2) {
+        data.push(relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      } else if (offsetSize === 3) {
+        data.push(relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      } else {
+        data.push(relativeOffset >>> 24 & 0xff, relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff);
+      }
+
+      if (objects[i]) {
+        relativeOffset += objects[i].length;
+      }
+    }
+
+    for (i = 0; i < count; i++) {
+      if (trackers[i]) {
+        trackers[i].offset(data.length);
+      }
+
+      for (var j = 0, jj = objects[i].length; j < jj; j++) {
+        data.push(objects[i][j]);
+      }
+    }
+
+    return data;
+  }
+
+}
+
+exports.CFFCompiler = CFFCompiler;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/charsets.js b/node_modules/pdfjs-dist/lib/core/charsets.js
new file mode 100644
index 00000000..c0eb26c8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/charsets.js
@@ -0,0 +1,33 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ExpertSubsetCharset = exports.ExpertCharset = exports.ISOAdobeCharset = void 0;
+const ISOAdobeCharset = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron"];
+exports.ISOAdobeCharset = ISOAdobeCharset;
+const ExpertCharset = [".notdef", "space", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertCharset = ExpertCharset;
+const ExpertSubsetCharset = [".notdef", "space", "dollaroldstyle", "dollarsuperior", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "hyphensuperior", "colonmonetary", "onefitted", "rupiah", "centoldstyle", "figuredash", "hypheninferior", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior"];
+exports.ExpertSubsetCharset = ExpertSubsetCharset;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/chunked_stream.js b/node_modules/pdfjs-dist/lib/core/chunked_stream.js
new file mode 100644
index 00000000..a44264e8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/chunked_stream.js
@@ -0,0 +1,642 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ChunkedStreamManager = exports.ChunkedStream = void 0;
+
+var _util = require("../shared/util.js");
+
+var _core_utils = require("./core_utils.js");
+
+class ChunkedStream {
+  constructor(length, chunkSize, manager) {
+    this.bytes = new Uint8Array(length);
+    this.start = 0;
+    this.pos = 0;
+    this.end = length;
+    this.chunkSize = chunkSize;
+    this._loadedChunks = new Set();
+    this.numChunks = Math.ceil(length / chunkSize);
+    this.manager = manager;
+    this.progressiveDataLength = 0;
+    this.lastSuccessfulEnsureByteChunk = -1;
+  }
+
+  getMissingChunks() {
+    const chunks = [];
+
+    for (let chunk = 0, n = this.numChunks; chunk < n; ++chunk) {
+      if (!this._loadedChunks.has(chunk)) {
+        chunks.push(chunk);
+      }
+    }
+
+    return chunks;
+  }
+
+  getBaseStreams() {
+    return [this];
+  }
+
+  get numChunksLoaded() {
+    return this._loadedChunks.size;
+  }
+
+  allChunksLoaded() {
+    return this.numChunksLoaded === this.numChunks;
+  }
+
+  onReceiveData(begin, chunk) {
+    const chunkSize = this.chunkSize;
+
+    if (begin % chunkSize !== 0) {
+      throw new Error(`Bad begin offset: ${begin}`);
+    }
+
+    const end = begin + chunk.byteLength;
+
+    if (end % chunkSize !== 0 && end !== this.bytes.length) {
+      throw new Error(`Bad end offset: ${end}`);
+    }
+
+    this.bytes.set(new Uint8Array(chunk), begin);
+    const beginChunk = Math.floor(begin / chunkSize);
+    const endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      this._loadedChunks.add(curChunk);
+    }
+  }
+
+  onReceiveProgressiveData(data) {
+    let position = this.progressiveDataLength;
+    const beginChunk = Math.floor(position / this.chunkSize);
+    this.bytes.set(new Uint8Array(data), position);
+    position += data.byteLength;
+    this.progressiveDataLength = position;
+    const endChunk = position >= this.end ? this.numChunks : Math.floor(position / this.chunkSize);
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      this._loadedChunks.add(curChunk);
+    }
+  }
+
+  ensureByte(pos) {
+    if (pos < this.progressiveDataLength) {
+      return;
+    }
+
+    const chunk = Math.floor(pos / this.chunkSize);
+
+    if (chunk === this.lastSuccessfulEnsureByteChunk) {
+      return;
+    }
+
+    if (!this._loadedChunks.has(chunk)) {
+      throw new _core_utils.MissingDataException(pos, pos + 1);
+    }
+
+    this.lastSuccessfulEnsureByteChunk = chunk;
+  }
+
+  ensureRange(begin, end) {
+    if (begin >= end) {
+      return;
+    }
+
+    if (end <= this.progressiveDataLength) {
+      return;
+    }
+
+    const chunkSize = this.chunkSize;
+    const beginChunk = Math.floor(begin / chunkSize);
+    const endChunk = Math.floor((end - 1) / chunkSize) + 1;
+
+    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+      if (!this._loadedChunks.has(chunk)) {
+        throw new _core_utils.MissingDataException(begin, end);
+      }
+    }
+  }
+
+  nextEmptyChunk(beginChunk) {
+    const numChunks = this.numChunks;
+
+    for (let i = 0; i < numChunks; ++i) {
+      const chunk = (beginChunk + i) % numChunks;
+
+      if (!this._loadedChunks.has(chunk)) {
+        return chunk;
+      }
+    }
+
+    return null;
+  }
+
+  hasChunk(chunk) {
+    return this._loadedChunks.has(chunk);
+  }
+
+  get length() {
+    return this.end - this.start;
+  }
+
+  get isEmpty() {
+    return this.length === 0;
+  }
+
+  getByte() {
+    const pos = this.pos;
+
+    if (pos >= this.end) {
+      return -1;
+    }
+
+    if (pos >= this.progressiveDataLength) {
+      this.ensureByte(pos);
+    }
+
+    return this.bytes[this.pos++];
+  }
+
+  getUint16() {
+    const b0 = this.getByte();
+    const b1 = this.getByte();
+
+    if (b0 === -1 || b1 === -1) {
+      return -1;
+    }
+
+    return (b0 << 8) + b1;
+  }
+
+  getInt32() {
+    const b0 = this.getByte();
+    const b1 = this.getByte();
+    const b2 = this.getByte();
+    const b3 = this.getByte();
+    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+  }
+
+  getBytes(length, forceClamped = false) {
+    const bytes = this.bytes;
+    const pos = this.pos;
+    const strEnd = this.end;
+
+    if (!length) {
+      if (strEnd > this.progressiveDataLength) {
+        this.ensureRange(pos, strEnd);
+      }
+
+      const subarray = bytes.subarray(pos, strEnd);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    }
+
+    let end = pos + length;
+
+    if (end > strEnd) {
+      end = strEnd;
+    }
+
+    if (end > this.progressiveDataLength) {
+      this.ensureRange(pos, end);
+    }
+
+    this.pos = end;
+    const subarray = bytes.subarray(pos, end);
+    return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+  }
+
+  peekByte() {
+    const peekedByte = this.getByte();
+
+    if (peekedByte !== -1) {
+      this.pos--;
+    }
+
+    return peekedByte;
+  }
+
+  peekBytes(length, forceClamped = false) {
+    const bytes = this.getBytes(length, forceClamped);
+    this.pos -= bytes.length;
+    return bytes;
+  }
+
+  getByteRange(begin, end) {
+    if (begin < 0) {
+      begin = 0;
+    }
+
+    if (end > this.end) {
+      end = this.end;
+    }
+
+    if (end > this.progressiveDataLength) {
+      this.ensureRange(begin, end);
+    }
+
+    return this.bytes.subarray(begin, end);
+  }
+
+  skip(n) {
+    if (!n) {
+      n = 1;
+    }
+
+    this.pos += n;
+  }
+
+  reset() {
+    this.pos = this.start;
+  }
+
+  moveStart() {
+    this.start = this.pos;
+  }
+
+  makeSubStream(start, length, dict) {
+    if (length) {
+      if (start + length > this.progressiveDataLength) {
+        this.ensureRange(start, start + length);
+      }
+    } else {
+      if (start >= this.progressiveDataLength) {
+        this.ensureByte(start);
+      }
+    }
+
+    function ChunkedStreamSubstream() {}
+
+    ChunkedStreamSubstream.prototype = Object.create(this);
+
+    ChunkedStreamSubstream.prototype.getMissingChunks = function () {
+      const chunkSize = this.chunkSize;
+      const beginChunk = Math.floor(this.start / chunkSize);
+      const endChunk = Math.floor((this.end - 1) / chunkSize) + 1;
+      const missingChunks = [];
+
+      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+        if (!this._loadedChunks.has(chunk)) {
+          missingChunks.push(chunk);
+        }
+      }
+
+      return missingChunks;
+    };
+
+    ChunkedStreamSubstream.prototype.allChunksLoaded = function () {
+      if (this.numChunksLoaded === this.numChunks) {
+        return true;
+      }
+
+      return this.getMissingChunks().length === 0;
+    };
+
+    const subStream = new ChunkedStreamSubstream();
+    subStream.pos = subStream.start = start;
+    subStream.end = start + length || this.end;
+    subStream.dict = dict;
+    return subStream;
+  }
+
+}
+
+exports.ChunkedStream = ChunkedStream;
+
+class ChunkedStreamManager {
+  constructor(pdfNetworkStream, args) {
+    this.length = args.length;
+    this.chunkSize = args.rangeChunkSize;
+    this.stream = new ChunkedStream(this.length, this.chunkSize, this);
+    this.pdfNetworkStream = pdfNetworkStream;
+    this.disableAutoFetch = args.disableAutoFetch;
+    this.msgHandler = args.msgHandler;
+    this.currRequestId = 0;
+    this._chunksNeededByRequest = new Map();
+    this._requestsByChunk = new Map();
+    this._promisesByRequest = new Map();
+    this.progressiveDataLength = 0;
+    this.aborted = false;
+    this._loadedStreamCapability = (0, _util.createPromiseCapability)();
+  }
+
+  onLoadedStream() {
+    return this._loadedStreamCapability.promise;
+  }
+
+  sendRequest(begin, end) {
+    const rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);
+
+    if (!rangeReader.isStreamingSupported) {
+      rangeReader.onProgress = this.onProgress.bind(this);
+    }
+
+    let chunks = [],
+        loaded = 0;
+    const promise = new Promise((resolve, reject) => {
+      const readChunk = chunk => {
+        try {
+          if (!chunk.done) {
+            const data = chunk.value;
+            chunks.push(data);
+            loaded += (0, _util.arrayByteLength)(data);
+
+            if (rangeReader.isStreamingSupported) {
+              this.onProgress({
+                loaded
+              });
+            }
+
+            rangeReader.read().then(readChunk, reject);
+            return;
+          }
+
+          const chunkData = (0, _util.arraysToBytes)(chunks);
+          chunks = null;
+          resolve(chunkData);
+        } catch (e) {
+          reject(e);
+        }
+      };
+
+      rangeReader.read().then(readChunk, reject);
+    });
+    promise.then(data => {
+      if (this.aborted) {
+        return;
+      }
+
+      this.onReceiveData({
+        chunk: data,
+        begin
+      });
+    });
+  }
+
+  requestAllChunks() {
+    const missingChunks = this.stream.getMissingChunks();
+
+    this._requestChunks(missingChunks);
+
+    return this._loadedStreamCapability.promise;
+  }
+
+  _requestChunks(chunks) {
+    const requestId = this.currRequestId++;
+    const chunksNeeded = new Set();
+
+    this._chunksNeededByRequest.set(requestId, chunksNeeded);
+
+    for (const chunk of chunks) {
+      if (!this.stream.hasChunk(chunk)) {
+        chunksNeeded.add(chunk);
+      }
+    }
+
+    if (chunksNeeded.size === 0) {
+      return Promise.resolve();
+    }
+
+    const capability = (0, _util.createPromiseCapability)();
+
+    this._promisesByRequest.set(requestId, capability);
+
+    const chunksToRequest = [];
+
+    for (const chunk of chunksNeeded) {
+      let requestIds = this._requestsByChunk.get(chunk);
+
+      if (!requestIds) {
+        requestIds = [];
+
+        this._requestsByChunk.set(chunk, requestIds);
+
+        chunksToRequest.push(chunk);
+      }
+
+      requestIds.push(requestId);
+    }
+
+    if (chunksToRequest.length > 0) {
+      const groupedChunksToRequest = this.groupChunks(chunksToRequest);
+
+      for (const groupedChunk of groupedChunksToRequest) {
+        const begin = groupedChunk.beginChunk * this.chunkSize;
+        const end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length);
+        this.sendRequest(begin, end);
+      }
+    }
+
+    return capability.promise.catch(reason => {
+      if (this.aborted) {
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  getStream() {
+    return this.stream;
+  }
+
+  requestRange(begin, end) {
+    end = Math.min(end, this.length);
+    const beginChunk = this.getBeginChunk(begin);
+    const endChunk = this.getEndChunk(end);
+    const chunks = [];
+
+    for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+      chunks.push(chunk);
+    }
+
+    return this._requestChunks(chunks);
+  }
+
+  requestRanges(ranges = []) {
+    const chunksToRequest = [];
+
+    for (const range of ranges) {
+      const beginChunk = this.getBeginChunk(range.begin);
+      const endChunk = this.getEndChunk(range.end);
+
+      for (let chunk = beginChunk; chunk < endChunk; ++chunk) {
+        if (!chunksToRequest.includes(chunk)) {
+          chunksToRequest.push(chunk);
+        }
+      }
+    }
+
+    chunksToRequest.sort(function (a, b) {
+      return a - b;
+    });
+    return this._requestChunks(chunksToRequest);
+  }
+
+  groupChunks(chunks) {
+    const groupedChunks = [];
+    let beginChunk = -1;
+    let prevChunk = -1;
+
+    for (let i = 0, ii = chunks.length; i < ii; ++i) {
+      const chunk = chunks[i];
+
+      if (beginChunk < 0) {
+        beginChunk = chunk;
+      }
+
+      if (prevChunk >= 0 && prevChunk + 1 !== chunk) {
+        groupedChunks.push({
+          beginChunk,
+          endChunk: prevChunk + 1
+        });
+        beginChunk = chunk;
+      }
+
+      if (i + 1 === chunks.length) {
+        groupedChunks.push({
+          beginChunk,
+          endChunk: chunk + 1
+        });
+      }
+
+      prevChunk = chunk;
+    }
+
+    return groupedChunks;
+  }
+
+  onProgress(args) {
+    this.msgHandler.send("DocProgress", {
+      loaded: this.stream.numChunksLoaded * this.chunkSize + args.loaded,
+      total: this.length
+    });
+  }
+
+  onReceiveData(args) {
+    const chunk = args.chunk;
+    const isProgressive = args.begin === undefined;
+    const begin = isProgressive ? this.progressiveDataLength : args.begin;
+    const end = begin + chunk.byteLength;
+    const beginChunk = Math.floor(begin / this.chunkSize);
+    const endChunk = end < this.length ? Math.floor(end / this.chunkSize) : Math.ceil(end / this.chunkSize);
+
+    if (isProgressive) {
+      this.stream.onReceiveProgressiveData(chunk);
+      this.progressiveDataLength = end;
+    } else {
+      this.stream.onReceiveData(begin, chunk);
+    }
+
+    if (this.stream.allChunksLoaded()) {
+      this._loadedStreamCapability.resolve(this.stream);
+    }
+
+    const loadedRequests = [];
+
+    for (let curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
+      const requestIds = this._requestsByChunk.get(curChunk);
+
+      if (!requestIds) {
+        continue;
+      }
+
+      this._requestsByChunk.delete(curChunk);
+
+      for (const requestId of requestIds) {
+        const chunksNeeded = this._chunksNeededByRequest.get(requestId);
+
+        if (chunksNeeded.has(curChunk)) {
+          chunksNeeded.delete(curChunk);
+        }
+
+        if (chunksNeeded.size > 0) {
+          continue;
+        }
+
+        loadedRequests.push(requestId);
+      }
+    }
+
+    if (!this.disableAutoFetch && this._requestsByChunk.size === 0) {
+      let nextEmptyChunk;
+
+      if (this.stream.numChunksLoaded === 1) {
+        const lastChunk = this.stream.numChunks - 1;
+
+        if (!this.stream.hasChunk(lastChunk)) {
+          nextEmptyChunk = lastChunk;
+        }
+      } else {
+        nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);
+      }
+
+      if (Number.isInteger(nextEmptyChunk)) {
+        this._requestChunks([nextEmptyChunk]);
+      }
+    }
+
+    for (const requestId of loadedRequests) {
+      const capability = this._promisesByRequest.get(requestId);
+
+      this._promisesByRequest.delete(requestId);
+
+      capability.resolve();
+    }
+
+    this.msgHandler.send("DocProgress", {
+      loaded: this.stream.numChunksLoaded * this.chunkSize,
+      total: this.length
+    });
+  }
+
+  onError(err) {
+    this._loadedStreamCapability.reject(err);
+  }
+
+  getBeginChunk(begin) {
+    return Math.floor(begin / this.chunkSize);
+  }
+
+  getEndChunk(end) {
+    return Math.floor((end - 1) / this.chunkSize) + 1;
+  }
+
+  abort(reason) {
+    this.aborted = true;
+
+    if (this.pdfNetworkStream) {
+      this.pdfNetworkStream.cancelAllRequests(reason);
+    }
+
+    for (const capability of this._promisesByRequest.values()) {
+      capability.reject(reason);
+    }
+  }
+
+}
+
+exports.ChunkedStreamManager = ChunkedStreamManager;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/cmap.js b/node_modules/pdfjs-dist/lib/core/cmap.js
new file mode 100644
index 00000000..21500e4c
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/cmap.js
@@ -0,0 +1,925 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CMapFactory = exports.IdentityCMap = exports.CMap = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _parser = require("./parser.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _stream = require("./stream.js");
+
+var BUILT_IN_CMAPS = ["Adobe-GB1-UCS2", "Adobe-CNS1-UCS2", "Adobe-Japan1-UCS2", "Adobe-Korea1-UCS2", "78-EUC-H", "78-EUC-V", "78-H", "78-RKSJ-H", "78-RKSJ-V", "78-V", "78ms-RKSJ-H", "78ms-RKSJ-V", "83pv-RKSJ-H", "90ms-RKSJ-H", "90ms-RKSJ-V", "90msp-RKSJ-H", "90msp-RKSJ-V", "90pv-RKSJ-H", "90pv-RKSJ-V", "Add-H", "Add-RKSJ-H", "Add-RKSJ-V", "Add-V", "Adobe-CNS1-0", "Adobe-CNS1-1", "Adobe-CNS1-2", "Adobe-CNS1-3", "Adobe-CNS1-4", "Adobe-CNS1-5", "Adobe-CNS1-6", "Adobe-GB1-0", "Adobe-GB1-1", "Adobe-GB1-2", "Adobe-GB1-3", "Adobe-GB1-4", "Adobe-GB1-5", "Adobe-Japan1-0", "Adobe-Japan1-1", "Adobe-Japan1-2", "Adobe-Japan1-3", "Adobe-Japan1-4", "Adobe-Japan1-5", "Adobe-Japan1-6", "Adobe-Korea1-0", "Adobe-Korea1-1", "Adobe-Korea1-2", "B5-H", "B5-V", "B5pc-H", "B5pc-V", "CNS-EUC-H", "CNS-EUC-V", "CNS1-H", "CNS1-V", "CNS2-H", "CNS2-V", "ETHK-B5-H", "ETHK-B5-V", "ETen-B5-H", "ETen-B5-V", "ETenms-B5-H", "ETenms-B5-V", "EUC-H", "EUC-V", "Ext-H", "Ext-RKSJ-H", "Ext-RKSJ-V", "Ext-V", "GB-EUC-H", "GB-EUC-V", "GB-H", "GB-V", "GBK-EUC-H", "GBK-EUC-V", "GBK2K-H", "GBK2K-V", "GBKp-EUC-H", "GBKp-EUC-V", "GBT-EUC-H", "GBT-EUC-V", "GBT-H", "GBT-V", "GBTpc-EUC-H", "GBTpc-EUC-V", "GBpc-EUC-H", "GBpc-EUC-V", "H", "HKdla-B5-H", "HKdla-B5-V", "HKdlb-B5-H", "HKdlb-B5-V", "HKgccs-B5-H", "HKgccs-B5-V", "HKm314-B5-H", "HKm314-B5-V", "HKm471-B5-H", "HKm471-B5-V", "HKscs-B5-H", "HKscs-B5-V", "Hankaku", "Hiragana", "KSC-EUC-H", "KSC-EUC-V", "KSC-H", "KSC-Johab-H", "KSC-Johab-V", "KSC-V", "KSCms-UHC-H", "KSCms-UHC-HW-H", "KSCms-UHC-HW-V", "KSCms-UHC-V", "KSCpc-EUC-H", "KSCpc-EUC-V", "Katakana", "NWP-H", "NWP-V", "RKSJ-H", "RKSJ-V", "Roman", "UniCNS-UCS2-H", "UniCNS-UCS2-V", "UniCNS-UTF16-H", "UniCNS-UTF16-V", "UniCNS-UTF32-H", "UniCNS-UTF32-V", "UniCNS-UTF8-H", "UniCNS-UTF8-V", "UniGB-UCS2-H", "UniGB-UCS2-V", "UniGB-UTF16-H", "UniGB-UTF16-V", "UniGB-UTF32-H", "UniGB-UTF32-V", "UniGB-UTF8-H", "UniGB-UTF8-V", "UniJIS-UCS2-H", "UniJIS-UCS2-HW-H", "UniJIS-UCS2-HW-V", "UniJIS-UCS2-V", "UniJIS-UTF16-H", "UniJIS-UTF16-V", "UniJIS-UTF32-H", "UniJIS-UTF32-V", "UniJIS-UTF8-H", "UniJIS-UTF8-V", "UniJIS2004-UTF16-H", "UniJIS2004-UTF16-V", "UniJIS2004-UTF32-H", "UniJIS2004-UTF32-V", "UniJIS2004-UTF8-H", "UniJIS2004-UTF8-V", "UniJISPro-UCS2-HW-V", "UniJISPro-UCS2-V", "UniJISPro-UTF8-V", "UniJISX0213-UTF32-H", "UniJISX0213-UTF32-V", "UniJISX02132004-UTF32-H", "UniJISX02132004-UTF32-V", "UniKS-UCS2-H", "UniKS-UCS2-V", "UniKS-UTF16-H", "UniKS-UTF16-V", "UniKS-UTF32-H", "UniKS-UTF32-V", "UniKS-UTF8-H", "UniKS-UTF8-V", "V", "WP-Symbol"];
+const MAX_MAP_RANGE = 2 ** 24 - 1;
+
+class CMap {
+  constructor(builtInCMap = false) {
+    this.codespaceRanges = [[], [], [], []];
+    this.numCodespaceRanges = 0;
+    this._map = [];
+    this.name = "";
+    this.vertical = false;
+    this.useCMap = null;
+    this.builtInCMap = builtInCMap;
+  }
+
+  addCodespaceRange(n, low, high) {
+    this.codespaceRanges[n - 1].push(low, high);
+    this.numCodespaceRanges++;
+  }
+
+  mapCidRange(low, high, dstLow) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapCidRange - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    while (low <= high) {
+      this._map[low++] = dstLow++;
+    }
+  }
+
+  mapBfRange(low, high, dstLow) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapBfRange - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    var lastByte = dstLow.length - 1;
+
+    while (low <= high) {
+      this._map[low++] = dstLow;
+      dstLow = dstLow.substring(0, lastByte) + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);
+    }
+  }
+
+  mapBfRangeToArray(low, high, array) {
+    if (high - low > MAX_MAP_RANGE) {
+      throw new Error("mapBfRangeToArray - ignoring data above MAX_MAP_RANGE.");
+    }
+
+    const ii = array.length;
+    let i = 0;
+
+    while (low <= high && i < ii) {
+      this._map[low] = array[i++];
+      ++low;
+    }
+  }
+
+  mapOne(src, dst) {
+    this._map[src] = dst;
+  }
+
+  lookup(code) {
+    return this._map[code];
+  }
+
+  contains(code) {
+    return this._map[code] !== undefined;
+  }
+
+  forEach(callback) {
+    const map = this._map;
+    const length = map.length;
+
+    if (length <= 0x10000) {
+      for (let i = 0; i < length; i++) {
+        if (map[i] !== undefined) {
+          callback(i, map[i]);
+        }
+      }
+    } else {
+      for (const i in map) {
+        callback(i, map[i]);
+      }
+    }
+  }
+
+  charCodeOf(value) {
+    const map = this._map;
+
+    if (map.length <= 0x10000) {
+      return map.indexOf(value);
+    }
+
+    for (const charCode in map) {
+      if (map[charCode] === value) {
+        return charCode | 0;
+      }
+    }
+
+    return -1;
+  }
+
+  getMap() {
+    return this._map;
+  }
+
+  readCharCode(str, offset, out) {
+    let c = 0;
+    const codespaceRanges = this.codespaceRanges;
+
+    for (let n = 0, nn = codespaceRanges.length; n < nn; n++) {
+      c = (c << 8 | str.charCodeAt(offset + n)) >>> 0;
+      const codespaceRange = codespaceRanges[n];
+
+      for (let k = 0, kk = codespaceRange.length; k < kk;) {
+        const low = codespaceRange[k++];
+        const high = codespaceRange[k++];
+
+        if (c >= low && c <= high) {
+          out.charcode = c;
+          out.length = n + 1;
+          return;
+        }
+      }
+    }
+
+    out.charcode = 0;
+    out.length = 1;
+  }
+
+  get length() {
+    return this._map.length;
+  }
+
+  get isIdentityCMap() {
+    if (!(this.name === "Identity-H" || this.name === "Identity-V")) {
+      return false;
+    }
+
+    if (this._map.length !== 0x10000) {
+      return false;
+    }
+
+    for (let i = 0; i < 0x10000; i++) {
+      if (this._map[i] !== i) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+}
+
+exports.CMap = CMap;
+
+class IdentityCMap extends CMap {
+  constructor(vertical, n) {
+    super();
+    this.vertical = vertical;
+    this.addCodespaceRange(n, 0, 0xffff);
+  }
+
+  mapCidRange(low, high, dstLow) {
+    (0, _util.unreachable)("should not call mapCidRange");
+  }
+
+  mapBfRange(low, high, dstLow) {
+    (0, _util.unreachable)("should not call mapBfRange");
+  }
+
+  mapBfRangeToArray(low, high, array) {
+    (0, _util.unreachable)("should not call mapBfRangeToArray");
+  }
+
+  mapOne(src, dst) {
+    (0, _util.unreachable)("should not call mapCidOne");
+  }
+
+  lookup(code) {
+    return Number.isInteger(code) && code <= 0xffff ? code : undefined;
+  }
+
+  contains(code) {
+    return Number.isInteger(code) && code <= 0xffff;
+  }
+
+  forEach(callback) {
+    for (let i = 0; i <= 0xffff; i++) {
+      callback(i, i);
+    }
+  }
+
+  charCodeOf(value) {
+    return Number.isInteger(value) && value <= 0xffff ? value : -1;
+  }
+
+  getMap() {
+    const map = new Array(0x10000);
+
+    for (let i = 0; i <= 0xffff; i++) {
+      map[i] = i;
+    }
+
+    return map;
+  }
+
+  get length() {
+    return 0x10000;
+  }
+
+  get isIdentityCMap() {
+    (0, _util.unreachable)("should not access .isIdentityCMap");
+  }
+
+}
+
+exports.IdentityCMap = IdentityCMap;
+
+var BinaryCMapReader = function BinaryCMapReaderClosure() {
+  function hexToInt(a, size) {
+    var n = 0;
+
+    for (var i = 0; i <= size; i++) {
+      n = n << 8 | a[i];
+    }
+
+    return n >>> 0;
+  }
+
+  function hexToStr(a, size) {
+    if (size === 1) {
+      return String.fromCharCode(a[0], a[1]);
+    }
+
+    if (size === 3) {
+      return String.fromCharCode(a[0], a[1], a[2], a[3]);
+    }
+
+    return String.fromCharCode.apply(null, a.subarray(0, size + 1));
+  }
+
+  function addHex(a, b, size) {
+    var c = 0;
+
+    for (var i = size; i >= 0; i--) {
+      c += a[i] + b[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  function incHex(a, size) {
+    var c = 1;
+
+    for (var i = size; i >= 0 && c > 0; i--) {
+      c += a[i];
+      a[i] = c & 255;
+      c >>= 8;
+    }
+  }
+
+  var MAX_NUM_SIZE = 16;
+  var MAX_ENCODED_NUM_SIZE = 19;
+
+  function BinaryCMapStream(data) {
+    this.buffer = data;
+    this.pos = 0;
+    this.end = data.length;
+    this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);
+  }
+
+  BinaryCMapStream.prototype = {
+    readByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.buffer[this.pos++];
+    },
+
+    readNumber() {
+      var n = 0;
+      var last;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        n = n << 7 | b & 0x7f;
+      } while (!last);
+
+      return n;
+    },
+
+    readSigned() {
+      var n = this.readNumber();
+      return n & 1 ? ~(n >>> 1) : n >>> 1;
+    },
+
+    readHex(num, size) {
+      num.set(this.buffer.subarray(this.pos, this.pos + size + 1));
+      this.pos += size + 1;
+    },
+
+    readHexNumber(num, size) {
+      var last;
+      var stack = this.tmpBuf,
+          sp = 0;
+
+      do {
+        var b = this.readByte();
+
+        if (b < 0) {
+          throw new _util.FormatError("unexpected EOF in bcmap");
+        }
+
+        last = !(b & 0x80);
+        stack[sp++] = b & 0x7f;
+      } while (!last);
+
+      var i = size,
+          buffer = 0,
+          bufferSize = 0;
+
+      while (i >= 0) {
+        while (bufferSize < 8 && stack.length > 0) {
+          buffer = stack[--sp] << bufferSize | buffer;
+          bufferSize += 7;
+        }
+
+        num[i] = buffer & 255;
+        i--;
+        buffer >>= 8;
+        bufferSize -= 8;
+      }
+    },
+
+    readHexSigned(num, size) {
+      this.readHexNumber(num, size);
+      var sign = num[size] & 1 ? 255 : 0;
+      var c = 0;
+
+      for (var i = 0; i <= size; i++) {
+        c = (c & 1) << 8 | num[i];
+        num[i] = c >> 1 ^ sign;
+      }
+    },
+
+    readString() {
+      var len = this.readNumber();
+      var s = "";
+
+      for (var i = 0; i < len; i++) {
+        s += String.fromCharCode(this.readNumber());
+      }
+
+      return s;
+    }
+
+  };
+
+  function processBinaryCMap(data, cMap, extend) {
+    return new Promise(function (resolve, reject) {
+      var stream = new BinaryCMapStream(data);
+      var header = stream.readByte();
+      cMap.vertical = !!(header & 1);
+      var useCMap = null;
+      var start = new Uint8Array(MAX_NUM_SIZE);
+      var end = new Uint8Array(MAX_NUM_SIZE);
+      var char = new Uint8Array(MAX_NUM_SIZE);
+      var charCode = new Uint8Array(MAX_NUM_SIZE);
+      var tmp = new Uint8Array(MAX_NUM_SIZE);
+      var code;
+      var b;
+
+      while ((b = stream.readByte()) >= 0) {
+        var type = b >> 5;
+
+        if (type === 7) {
+          switch (b & 0x1f) {
+            case 0:
+              stream.readString();
+              break;
+
+            case 1:
+              useCMap = stream.readString();
+              break;
+          }
+
+          continue;
+        }
+
+        var sequence = !!(b & 0x10);
+        var dataSize = b & 15;
+
+        if (dataSize + 1 > MAX_NUM_SIZE) {
+          throw new Error("processBinaryCMap: Invalid dataSize.");
+        }
+
+        var ucs2DataSize = 1;
+        var subitemsCount = stream.readNumber();
+        var i;
+
+        switch (type) {
+          case 0:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
+            }
+
+            break;
+
+          case 1:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            stream.readNumber();
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+              stream.readHexNumber(start, dataSize);
+              addHex(start, end, dataSize);
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              stream.readNumber();
+            }
+
+            break;
+
+          case 2:
+            stream.readHex(char, dataSize);
+            code = stream.readNumber();
+            cMap.mapOne(hexToInt(char, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(char, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, dataSize);
+                addHex(char, tmp, dataSize);
+              }
+
+              code = stream.readSigned() + (code + 1);
+              cMap.mapOne(hexToInt(char, dataSize), code);
+            }
+
+            break;
+
+          case 3:
+            stream.readHex(start, dataSize);
+            stream.readHexNumber(end, dataSize);
+            addHex(end, start, dataSize);
+            code = stream.readNumber();
+            cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, dataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, dataSize);
+                addHex(start, end, dataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, dataSize);
+              addHex(end, start, dataSize);
+              code = stream.readNumber();
+              cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
+            }
+
+            break;
+
+          case 4:
+            stream.readHex(char, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(char, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(tmp, ucs2DataSize);
+                addHex(char, tmp, ucs2DataSize);
+              }
+
+              incHex(charCode, dataSize);
+              stream.readHexSigned(tmp, dataSize);
+              addHex(charCode, tmp, dataSize);
+              cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          case 5:
+            stream.readHex(start, ucs2DataSize);
+            stream.readHexNumber(end, ucs2DataSize);
+            addHex(end, start, ucs2DataSize);
+            stream.readHex(charCode, dataSize);
+            cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+
+            for (i = 1; i < subitemsCount; i++) {
+              incHex(end, ucs2DataSize);
+
+              if (!sequence) {
+                stream.readHexNumber(start, ucs2DataSize);
+                addHex(start, end, ucs2DataSize);
+              } else {
+                start.set(end);
+              }
+
+              stream.readHexNumber(end, ucs2DataSize);
+              addHex(end, start, ucs2DataSize);
+              stream.readHex(charCode, dataSize);
+              cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
+            }
+
+            break;
+
+          default:
+            reject(new Error("processBinaryCMap: Unknown type: " + type));
+            return;
+        }
+      }
+
+      if (useCMap) {
+        resolve(extend(useCMap));
+        return;
+      }
+
+      resolve(cMap);
+    });
+  }
+
+  function BinaryCMapReader() {}
+
+  BinaryCMapReader.prototype = {
+    process: processBinaryCMap
+  };
+  return BinaryCMapReader;
+}();
+
+var CMapFactory = function CMapFactoryClosure() {
+  function strToInt(str) {
+    var a = 0;
+
+    for (var i = 0; i < str.length; i++) {
+      a = a << 8 | str.charCodeAt(i);
+    }
+
+    return a >>> 0;
+  }
+
+  function expectString(obj) {
+    if (!(0, _util.isString)(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected string.");
+    }
+  }
+
+  function expectInt(obj) {
+    if (!Number.isInteger(obj)) {
+      throw new _util.FormatError("Malformed CMap: expected int.");
+    }
+  }
+
+  function parseBfChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseBfRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endbfrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (Number.isInteger(obj) || (0, _util.isString)(obj)) {
+        var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;
+        cMap.mapBfRange(low, high, dstLow);
+      } else if ((0, _primitives.isCmd)(obj, "[")) {
+        obj = lexer.getObj();
+        var array = [];
+
+        while (!(0, _primitives.isCmd)(obj, "]") && !(0, _primitives.isEOF)(obj)) {
+          array.push(obj);
+          obj = lexer.getObj();
+        }
+
+        cMap.mapBfRangeToArray(low, high, array);
+      } else {
+        break;
+      }
+    }
+
+    throw new _util.FormatError("Invalid bf range.");
+  }
+
+  function parseCidChar(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidchar")) {
+        return;
+      }
+
+      expectString(obj);
+      var src = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dst = obj;
+      cMap.mapOne(src, dst);
+    }
+  }
+
+  function parseCidRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcidrange")) {
+        return;
+      }
+
+      expectString(obj);
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+      expectString(obj);
+      var high = strToInt(obj);
+      obj = lexer.getObj();
+      expectInt(obj);
+      var dstLow = obj;
+      cMap.mapCidRange(low, high, dstLow);
+    }
+  }
+
+  function parseCodespaceRange(cMap, lexer) {
+    while (true) {
+      var obj = lexer.getObj();
+
+      if ((0, _primitives.isEOF)(obj)) {
+        break;
+      }
+
+      if ((0, _primitives.isCmd)(obj, "endcodespacerange")) {
+        return;
+      }
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var low = strToInt(obj);
+      obj = lexer.getObj();
+
+      if (!(0, _util.isString)(obj)) {
+        break;
+      }
+
+      var high = strToInt(obj);
+      cMap.addCodespaceRange(obj.length, low, high);
+    }
+
+    throw new _util.FormatError("Invalid codespace range.");
+  }
+
+  function parseWMode(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if (Number.isInteger(obj)) {
+      cMap.vertical = !!obj;
+    }
+  }
+
+  function parseCMapName(cMap, lexer) {
+    var obj = lexer.getObj();
+
+    if ((0, _primitives.isName)(obj) && (0, _util.isString)(obj.name)) {
+      cMap.name = obj.name;
+    }
+  }
+
+  function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {
+    var previous;
+    var embeddedUseCMap;
+
+    objLoop: while (true) {
+      try {
+        var obj = lexer.getObj();
+
+        if ((0, _primitives.isEOF)(obj)) {
+          break;
+        } else if ((0, _primitives.isName)(obj)) {
+          if (obj.name === "WMode") {
+            parseWMode(cMap, lexer);
+          } else if (obj.name === "CMapName") {
+            parseCMapName(cMap, lexer);
+          }
+
+          previous = obj;
+        } else if ((0, _primitives.isCmd)(obj)) {
+          switch (obj.cmd) {
+            case "endcmap":
+              break objLoop;
+
+            case "usecmap":
+              if ((0, _primitives.isName)(previous)) {
+                embeddedUseCMap = previous.name;
+              }
+
+              break;
+
+            case "begincodespacerange":
+              parseCodespaceRange(cMap, lexer);
+              break;
+
+            case "beginbfchar":
+              parseBfChar(cMap, lexer);
+              break;
+
+            case "begincidchar":
+              parseCidChar(cMap, lexer);
+              break;
+
+            case "beginbfrange":
+              parseBfRange(cMap, lexer);
+              break;
+
+            case "begincidrange":
+              parseCidRange(cMap, lexer);
+              break;
+          }
+        }
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)("Invalid cMap data: " + ex);
+        continue;
+      }
+    }
+
+    if (!useCMap && embeddedUseCMap) {
+      useCMap = embeddedUseCMap;
+    }
+
+    if (useCMap) {
+      return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+    }
+
+    return Promise.resolve(cMap);
+  }
+
+  function extendCMap(cMap, fetchBuiltInCMap, useCMap) {
+    return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (newCMap) {
+      cMap.useCMap = newCMap;
+
+      if (cMap.numCodespaceRanges === 0) {
+        var useCodespaceRanges = cMap.useCMap.codespaceRanges;
+
+        for (var i = 0; i < useCodespaceRanges.length; i++) {
+          cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();
+        }
+
+        cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;
+      }
+
+      cMap.useCMap.forEach(function (key, value) {
+        if (!cMap.contains(key)) {
+          cMap.mapOne(key, cMap.useCMap.lookup(key));
+        }
+      });
+      return cMap;
+    });
+  }
+
+  function createBuiltInCMap(name, fetchBuiltInCMap) {
+    if (name === "Identity-H") {
+      return Promise.resolve(new IdentityCMap(false, 2));
+    } else if (name === "Identity-V") {
+      return Promise.resolve(new IdentityCMap(true, 2));
+    }
+
+    if (!BUILT_IN_CMAPS.includes(name)) {
+      return Promise.reject(new Error("Unknown CMap name: " + name));
+    }
+
+    if (!fetchBuiltInCMap) {
+      return Promise.reject(new Error("Built-in CMap parameters are not provided."));
+    }
+
+    return fetchBuiltInCMap(name).then(function (data) {
+      var cMapData = data.cMapData,
+          compressionType = data.compressionType;
+      var cMap = new CMap(true);
+
+      if (compressionType === _util.CMapCompressionType.BINARY) {
+        return new BinaryCMapReader().process(cMapData, cMap, function (useCMap) {
+          return extendCMap(cMap, fetchBuiltInCMap, useCMap);
+        });
+      }
+
+      if (compressionType === _util.CMapCompressionType.NONE) {
+        var lexer = new _parser.Lexer(new _stream.Stream(cMapData));
+        return parseCMap(cMap, lexer, fetchBuiltInCMap, null);
+      }
+
+      return Promise.reject(new Error("TODO: Only BINARY/NONE CMap compression is currently supported."));
+    });
+  }
+
+  return {
+    async create(params) {
+      var encoding = params.encoding;
+      var fetchBuiltInCMap = params.fetchBuiltInCMap;
+      var useCMap = params.useCMap;
+
+      if ((0, _primitives.isName)(encoding)) {
+        return createBuiltInCMap(encoding.name, fetchBuiltInCMap);
+      } else if ((0, _primitives.isStream)(encoding)) {
+        var cMap = new CMap();
+        var lexer = new _parser.Lexer(encoding);
+        return parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (parsedCMap) {
+          if (parsedCMap.isIdentityCMap) {
+            return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);
+          }
+
+          return parsedCMap;
+        });
+      }
+
+      throw new Error("Encoding required.");
+    }
+
+  };
+}();
+
+exports.CMapFactory = CMapFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/colorspace.js b/node_modules/pdfjs-dist/lib/core/colorspace.js
new file mode 100644
index 00000000..852b2cbd
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/colorspace.js
@@ -0,0 +1,1083 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ColorSpace = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+function resizeRgbImage(src, dest, w1, h1, w2, h2, alpha01) {
+  const COMPONENTS = 3;
+  alpha01 = alpha01 !== 1 ? 0 : alpha01;
+  const xRatio = w1 / w2;
+  const yRatio = h1 / h2;
+  let newIndex = 0,
+      oldIndex;
+  const xScaled = new Uint16Array(w2);
+  const w1Scanline = w1 * COMPONENTS;
+
+  for (let i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio) * COMPONENTS;
+  }
+
+  for (let i = 0; i < h2; i++) {
+    const py = Math.floor(i * yRatio) * w1Scanline;
+
+    for (let j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      dest[newIndex++] = src[oldIndex++];
+      newIndex += alpha01;
+    }
+  }
+}
+
+class ColorSpace {
+  constructor(name, numComps) {
+    if (this.constructor === ColorSpace) {
+      (0, _util.unreachable)("Cannot initialize ColorSpace.");
+    }
+
+    this.name = name;
+    this.numComps = numComps;
+  }
+
+  getRgb(src, srcOffset) {
+    const rgb = new Uint8ClampedArray(3);
+    this.getRgbItem(src, srcOffset, rgb, 0);
+    return rgb;
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    (0, _util.unreachable)("Should not call ColorSpace.getRgbItem");
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    (0, _util.unreachable)("Should not call ColorSpace.getRgbBuffer");
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    (0, _util.unreachable)("Should not call ColorSpace.getOutputLength");
+  }
+
+  isPassthrough(bits) {
+    return false;
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
+  }
+
+  fillRgb(dest, originalWidth, originalHeight, width, height, actualHeight, bpc, comps, alpha01) {
+    const count = originalWidth * originalHeight;
+    let rgbBuf = null;
+    const numComponentColors = 1 << bpc;
+    const needsResizing = originalHeight !== height || originalWidth !== width;
+
+    if (this.isPassthrough(bpc)) {
+      rgbBuf = comps;
+    } else if (this.numComps === 1 && count > numComponentColors && this.name !== "DeviceGray" && this.name !== "DeviceRGB") {
+      const allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : new Uint16Array(numComponentColors);
+
+      for (let i = 0; i < numComponentColors; i++) {
+        allColors[i] = i;
+      }
+
+      const colorMap = new Uint8ClampedArray(numComponentColors * 3);
+      this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, 0);
+
+      if (!needsResizing) {
+        let destPos = 0;
+
+        for (let i = 0; i < count; ++i) {
+          const key = comps[i] * 3;
+          dest[destPos++] = colorMap[key];
+          dest[destPos++] = colorMap[key + 1];
+          dest[destPos++] = colorMap[key + 2];
+          destPos += alpha01;
+        }
+      } else {
+        rgbBuf = new Uint8Array(count * 3);
+        let rgbPos = 0;
+
+        for (let i = 0; i < count; ++i) {
+          const key = comps[i] * 3;
+          rgbBuf[rgbPos++] = colorMap[key];
+          rgbBuf[rgbPos++] = colorMap[key + 1];
+          rgbBuf[rgbPos++] = colorMap[key + 2];
+        }
+      }
+    } else {
+      if (!needsResizing) {
+        this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, alpha01);
+      } else {
+        rgbBuf = new Uint8ClampedArray(count * 3);
+        this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, 0);
+      }
+    }
+
+    if (rgbBuf) {
+      if (needsResizing) {
+        resizeRgbImage(rgbBuf, dest, originalWidth, originalHeight, width, height, alpha01);
+      } else {
+        let destPos = 0,
+            rgbPos = 0;
+
+        for (let i = 0, ii = width * actualHeight; i < ii; i++) {
+          dest[destPos++] = rgbBuf[rgbPos++];
+          dest[destPos++] = rgbBuf[rgbPos++];
+          dest[destPos++] = rgbBuf[rgbPos++];
+          destPos += alpha01;
+        }
+      }
+    }
+  }
+
+  get usesZeroToOneRange() {
+    return (0, _util.shadow)(this, "usesZeroToOneRange", true);
+  }
+
+  static _cache(cacheKey, xref, localColorSpaceCache, parsedColorSpace) {
+    if (!localColorSpaceCache) {
+      throw new Error('ColorSpace._cache - expected "localColorSpaceCache" argument.');
+    }
+
+    if (!parsedColorSpace) {
+      throw new Error('ColorSpace._cache - expected "parsedColorSpace" argument.');
+    }
+
+    let csName, csRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      csRef = cacheKey;
+      cacheKey = xref.fetch(cacheKey);
+    }
+
+    if (cacheKey instanceof _primitives.Name) {
+      csName = cacheKey.name;
+    }
+
+    if (csName || csRef) {
+      localColorSpaceCache.set(csName, csRef, parsedColorSpace);
+    }
+  }
+
+  static getCached(cacheKey, xref, localColorSpaceCache) {
+    if (!localColorSpaceCache) {
+      throw new Error('ColorSpace.getCached - expected "localColorSpaceCache" argument.');
+    }
+
+    if (cacheKey instanceof _primitives.Ref) {
+      const localColorSpace = localColorSpaceCache.getByRef(cacheKey);
+
+      if (localColorSpace) {
+        return localColorSpace;
+      }
+
+      try {
+        cacheKey = xref.fetch(cacheKey);
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+      }
+    }
+
+    if (cacheKey instanceof _primitives.Name) {
+      const localColorSpace = localColorSpaceCache.getByName(cacheKey.name);
+
+      if (localColorSpace) {
+        return localColorSpace;
+      }
+    }
+
+    return null;
+  }
+
+  static async parseAsync({
+    cs,
+    xref,
+    resources = null,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+    return parsedColorSpace;
+  }
+
+  static parse({
+    cs,
+    xref,
+    resources = null,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const cachedColorSpace = this.getCached(cs, xref, localColorSpaceCache);
+
+    if (cachedColorSpace) {
+      return cachedColorSpace;
+    }
+
+    const parsedColorSpace = this._parse(cs, xref, resources, pdfFunctionFactory);
+
+    this._cache(cs, xref, localColorSpaceCache, parsedColorSpace);
+
+    return parsedColorSpace;
+  }
+
+  static _parse(cs, xref, resources = null, pdfFunctionFactory) {
+    cs = xref.fetchIfRef(cs);
+
+    if ((0, _primitives.isName)(cs)) {
+      switch (cs.name) {
+        case "DeviceGray":
+        case "G":
+          return this.singletons.gray;
+
+        case "DeviceRGB":
+        case "RGB":
+          return this.singletons.rgb;
+
+        case "DeviceCMYK":
+        case "CMYK":
+          return this.singletons.cmyk;
+
+        case "Pattern":
+          return new PatternCS(null);
+
+        default:
+          if ((0, _primitives.isDict)(resources)) {
+            const colorSpaces = resources.get("ColorSpace");
+
+            if ((0, _primitives.isDict)(colorSpaces)) {
+              const resourcesCS = colorSpaces.get(cs.name);
+
+              if (resourcesCS) {
+                if ((0, _primitives.isName)(resourcesCS)) {
+                  return this._parse(resourcesCS, xref, resources, pdfFunctionFactory);
+                }
+
+                cs = resourcesCS;
+                break;
+              }
+            }
+          }
+
+          throw new _util.FormatError(`Unrecognized ColorSpace: ${cs.name}`);
+      }
+    }
+
+    if (Array.isArray(cs)) {
+      const mode = xref.fetchIfRef(cs[0]).name;
+      let params, numComps, baseCS, whitePoint, blackPoint, gamma;
+
+      switch (mode) {
+        case "DeviceGray":
+        case "G":
+          return this.singletons.gray;
+
+        case "DeviceRGB":
+        case "RGB":
+          return this.singletons.rgb;
+
+        case "DeviceCMYK":
+        case "CMYK":
+          return this.singletons.cmyk;
+
+        case "CalGray":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          gamma = params.get("Gamma");
+          return new CalGrayCS(whitePoint, blackPoint, gamma);
+
+        case "CalRGB":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          gamma = params.getArray("Gamma");
+          const matrix = params.getArray("Matrix");
+          return new CalRGBCS(whitePoint, blackPoint, gamma, matrix);
+
+        case "ICCBased":
+          const stream = xref.fetchIfRef(cs[1]);
+          const dict = stream.dict;
+          numComps = dict.get("N");
+          const alt = dict.get("Alternate");
+
+          if (alt) {
+            const altCS = this._parse(alt, xref, resources, pdfFunctionFactory);
+
+            if (altCS.numComps === numComps) {
+              return altCS;
+            }
+
+            (0, _util.warn)("ICCBased color space: Ignoring incorrect /Alternate entry.");
+          }
+
+          if (numComps === 1) {
+            return this.singletons.gray;
+          } else if (numComps === 3) {
+            return this.singletons.rgb;
+          } else if (numComps === 4) {
+            return this.singletons.cmyk;
+          }
+
+          break;
+
+        case "Pattern":
+          baseCS = cs[1] || null;
+
+          if (baseCS) {
+            baseCS = this._parse(baseCS, xref, resources, pdfFunctionFactory);
+          }
+
+          return new PatternCS(baseCS);
+
+        case "Indexed":
+        case "I":
+          baseCS = this._parse(cs[1], xref, resources, pdfFunctionFactory);
+          const hiVal = xref.fetchIfRef(cs[2]) + 1;
+          const lookup = xref.fetchIfRef(cs[3]);
+          return new IndexedCS(baseCS, hiVal, lookup);
+
+        case "Separation":
+        case "DeviceN":
+          const name = xref.fetchIfRef(cs[1]);
+          numComps = Array.isArray(name) ? name.length : 1;
+          baseCS = this._parse(cs[2], xref, resources, pdfFunctionFactory);
+          const tintFn = pdfFunctionFactory.create(cs[3]);
+          return new AlternateCS(numComps, baseCS, tintFn);
+
+        case "Lab":
+          params = xref.fetchIfRef(cs[1]);
+          whitePoint = params.getArray("WhitePoint");
+          blackPoint = params.getArray("BlackPoint");
+          const range = params.getArray("Range");
+          return new LabCS(whitePoint, blackPoint, range);
+
+        default:
+          throw new _util.FormatError(`Unimplemented ColorSpace object: ${mode}`);
+      }
+    }
+
+    throw new _util.FormatError(`Unrecognized ColorSpace object: ${cs}`);
+  }
+
+  static isDefaultDecode(decode, numComps) {
+    if (!Array.isArray(decode)) {
+      return true;
+    }
+
+    if (numComps * 2 !== decode.length) {
+      (0, _util.warn)("The decode map is not the correct length");
+      return true;
+    }
+
+    for (let i = 0, ii = decode.length; i < ii; i += 2) {
+      if (decode[i] !== 0 || decode[i + 1] !== 1) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  static get singletons() {
+    return (0, _util.shadow)(this, "singletons", {
+      get gray() {
+        return (0, _util.shadow)(this, "gray", new DeviceGrayCS());
+      },
+
+      get rgb() {
+        return (0, _util.shadow)(this, "rgb", new DeviceRgbCS());
+      },
+
+      get cmyk() {
+        return (0, _util.shadow)(this, "cmyk", new DeviceCmykCS());
+      }
+
+    });
+  }
+
+}
+
+exports.ColorSpace = ColorSpace;
+
+class AlternateCS extends ColorSpace {
+  constructor(numComps, base, tintFn) {
+    super("Alternate", numComps);
+    this.base = base;
+    this.tintFn = tintFn;
+    this.tmpBuf = new Float32Array(base.numComps);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const tmpBuf = this.tmpBuf;
+    this.tintFn(src, srcOffset, tmpBuf, 0);
+    this.base.getRgbItem(tmpBuf, 0, dest, destOffset);
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const tintFn = this.tintFn;
+    const base = this.base;
+    const scale = 1 / ((1 << bits) - 1);
+    const baseNumComps = base.numComps;
+    const usesZeroToOneRange = base.usesZeroToOneRange;
+    const isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0;
+    let pos = isPassthrough ? destOffset : 0;
+    const baseBuf = isPassthrough ? dest : new Uint8ClampedArray(baseNumComps * count);
+    const numComps = this.numComps;
+    const scaled = new Float32Array(numComps);
+    const tinted = new Float32Array(baseNumComps);
+    let i, j;
+
+    for (i = 0; i < count; i++) {
+      for (j = 0; j < numComps; j++) {
+        scaled[j] = src[srcOffset++] * scale;
+      }
+
+      tintFn(scaled, 0, tinted, 0);
+
+      if (usesZeroToOneRange) {
+        for (j = 0; j < baseNumComps; j++) {
+          baseBuf[pos++] = tinted[j] * 255;
+        }
+      } else {
+        base.getRgbItem(tinted, 0, baseBuf, pos);
+        pos += baseNumComps;
+      }
+    }
+
+    if (!isPassthrough) {
+      base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01);
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return this.base.getOutputLength(inputLength * this.base.numComps / this.numComps, alpha01);
+  }
+
+}
+
+class PatternCS extends ColorSpace {
+  constructor(baseCS) {
+    super("Pattern", null);
+    this.base = baseCS;
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    (0, _util.unreachable)("Should not call PatternCS.isDefaultDecode");
+  }
+
+}
+
+class IndexedCS extends ColorSpace {
+  constructor(base, highVal, lookup) {
+    super("Indexed", 1);
+    this.base = base;
+    this.highVal = highVal;
+    const length = base.numComps * highVal;
+    this.lookup = new Uint8Array(length);
+
+    if ((0, _primitives.isStream)(lookup)) {
+      const bytes = lookup.getBytes(length);
+      this.lookup.set(bytes);
+    } else if (typeof lookup === "string") {
+      for (let i = 0; i < length; ++i) {
+        this.lookup[i] = lookup.charCodeAt(i) & 0xff;
+      }
+    } else {
+      throw new _util.FormatError(`IndexedCS - unrecognized lookup table: ${lookup}`);
+    }
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const numComps = this.base.numComps;
+    const start = src[srcOffset] * numComps;
+    this.base.getRgbBuffer(this.lookup, start, 1, dest, destOffset, 8, 0);
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const base = this.base;
+    const numComps = base.numComps;
+    const outputDelta = base.getOutputLength(numComps, alpha01);
+    const lookup = this.lookup;
+
+    for (let i = 0; i < count; ++i) {
+      const lookupPos = src[srcOffset++] * numComps;
+      base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01);
+      destOffset += outputDelta;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return this.base.getOutputLength(inputLength * this.base.numComps, alpha01);
+  }
+
+  isDefaultDecode(decodeMap, bpc) {
+    if (!Array.isArray(decodeMap)) {
+      return true;
+    }
+
+    if (decodeMap.length !== 2) {
+      (0, _util.warn)("Decode map length is not correct");
+      return true;
+    }
+
+    if (!Number.isInteger(bpc) || bpc < 1) {
+      (0, _util.warn)("Bits per component is not correct");
+      return true;
+    }
+
+    return decodeMap[0] === 0 && decodeMap[1] === (1 << bpc) - 1;
+  }
+
+}
+
+class DeviceGrayCS extends ColorSpace {
+  constructor() {
+    super("DeviceGray", 1);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    const c = src[srcOffset] * 255;
+    dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c;
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    const scale = 255 / ((1 << bits) - 1);
+    let j = srcOffset,
+        q = destOffset;
+
+    for (let i = 0; i < count; ++i) {
+      const c = scale * src[j++];
+      dest[q++] = c;
+      dest[q++] = c;
+      dest[q++] = c;
+      q += alpha01;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return inputLength * (3 + alpha01);
+  }
+
+}
+
+class DeviceRgbCS extends ColorSpace {
+  constructor() {
+    super("DeviceRGB", 3);
+  }
+
+  getRgbItem(src, srcOffset, dest, destOffset) {
+    dest[destOffset] = src[srcOffset] * 255;
+    dest[destOffset + 1] = src[srcOffset + 1] * 255;
+    dest[destOffset + 2] = src[srcOffset + 2] * 255;
+  }
+
+  getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+    if (bits === 8 && alpha01 === 0) {
+      dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset);
+      return;
+    }
+
+    const scale = 255 / ((1 << bits) - 1);
+    let j = srcOffset,
+        q = destOffset;
+
+    for (let i = 0; i < count; ++i) {
+      dest[q++] = scale * src[j++];
+      dest[q++] = scale * src[j++];
+      dest[q++] = scale * src[j++];
+      q += alpha01;
+    }
+  }
+
+  getOutputLength(inputLength, alpha01) {
+    return inputLength * (3 + alpha01) / 3 | 0;
+  }
+
+  isPassthrough(bits) {
+    return bits === 8;
+  }
+
+}
+
+const DeviceCmykCS = function DeviceCmykCSClosure() {
+  function convertToRgb(src, srcOffset, srcScale, dest, destOffset) {
+    const c = src[srcOffset] * srcScale;
+    const m = src[srcOffset + 1] * srcScale;
+    const y = src[srcOffset + 2] * srcScale;
+    const k = src[srcOffset + 3] * srcScale;
+    dest[destOffset] = 255 + c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k + -285.2331026137004) + m * (1.7149763477362134 * m - 5.6096736904047315 * y + -17.873870861415444 * k - 5.497006427196366) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) + k * (-21.86122147463605 * k - 189.48180835922747);
+    dest[destOffset + 1] = 255 + c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k + -79.2970844816548) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 190.9453302588951) + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + k * (-20.737325471181034 * k - 187.80453709719578);
+    dest[destOffset + 2] = 255 + c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k + -14.183576799673286) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 112.23884253719248) + y * (0.03296041114873217 * y + 115.60384449646641 * k + -193.58209356861505) + k * (-22.33816807309886 * k - 180.12613974708367);
+  }
+
+  class DeviceCmykCS extends ColorSpace {
+    constructor() {
+      super("DeviceCMYK", 4);
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(src, srcOffset, 1, dest, destOffset);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; i++) {
+        convertToRgb(src, srcOffset, scale, dest, destOffset);
+        srcOffset += 4;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength / 4 * (3 + alpha01) | 0;
+    }
+
+  }
+
+  return DeviceCmykCS;
+}();
+
+const CalGrayCS = function CalGrayCSClosure() {
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    const A = src[srcOffset] * scale;
+    const AG = A ** cs.G;
+    const L = cs.YW * AG;
+    const val = Math.max(295.8 * L ** 0.333333333333333333 - 40.8, 0);
+    dest[destOffset] = val;
+    dest[destOffset + 1] = val;
+    dest[destOffset + 2] = val;
+  }
+
+  class CalGrayCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, gamma) {
+      super("CalGray", 1);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalGray");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      gamma = gamma || 1;
+      this.XW = whitePoint[0];
+      this.YW = whitePoint[1];
+      this.ZW = whitePoint[2];
+      this.XB = blackPoint[0];
+      this.YB = blackPoint[1];
+      this.ZB = blackPoint[2];
+      this.G = gamma;
+
+      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {
+        throw new _util.FormatError(`Invalid WhitePoint components for ${this.name}` + ", no fallback available");
+      }
+
+      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
+        (0, _util.info)(`Invalid BlackPoint for ${this.name}, falling back to default.`);
+        this.XB = this.YB = this.ZB = 0;
+      }
+
+      if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) {
+        (0, _util.warn)(`${this.name}, BlackPoint: XB: ${this.XB}, YB: ${this.YB}, ` + `ZB: ${this.ZB}, only default values are supported.`);
+      }
+
+      if (this.G < 1) {
+        (0, _util.info)(`Invalid Gamma: ${this.G} for ${this.name}, ` + "falling back to default.");
+        this.G = 1;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; ++i) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+        srcOffset += 1;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01);
+    }
+
+  }
+
+  return CalGrayCS;
+}();
+
+const CalRGBCS = function CalRGBCSClosure() {
+  const BRADFORD_SCALE_MATRIX = new Float32Array([0.8951, 0.2664, -0.1614, -0.7502, 1.7135, 0.0367, 0.0389, -0.0685, 1.0296]);
+  const BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([0.9869929, -0.1470543, 0.1599627, 0.4323053, 0.5183603, 0.0492912, -0.0085287, 0.0400428, 0.9684867]);
+  const SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([3.2404542, -1.5371385, -0.4985314, -0.9692660, 1.8760108, 0.0415560, 0.0556434, -0.2040259, 1.0572252]);
+  const FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]);
+  const tempNormalizeMatrix = new Float32Array(3);
+  const tempConvertMatrix1 = new Float32Array(3);
+  const tempConvertMatrix2 = new Float32Array(3);
+  const DECODE_L_CONSTANT = ((8 + 16) / 116) ** 3 / 8.0;
+
+  function matrixProduct(a, b, result) {
+    result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+    result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2];
+    result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2];
+  }
+
+  function convertToFlat(sourceWhitePoint, LMS, result) {
+    result[0] = LMS[0] * 1 / sourceWhitePoint[0];
+    result[1] = LMS[1] * 1 / sourceWhitePoint[1];
+    result[2] = LMS[2] * 1 / sourceWhitePoint[2];
+  }
+
+  function convertToD65(sourceWhitePoint, LMS, result) {
+    const D65X = 0.95047;
+    const D65Y = 1;
+    const D65Z = 1.08883;
+    result[0] = LMS[0] * D65X / sourceWhitePoint[0];
+    result[1] = LMS[1] * D65Y / sourceWhitePoint[1];
+    result[2] = LMS[2] * D65Z / sourceWhitePoint[2];
+  }
+
+  function sRGBTransferFunction(color) {
+    if (color <= 0.0031308) {
+      return adjustToRange(0, 1, 12.92 * color);
+    }
+
+    if (color >= 0.99554525) {
+      return 1;
+    }
+
+    return adjustToRange(0, 1, (1 + 0.055) * color ** (1 / 2.4) - 0.055);
+  }
+
+  function adjustToRange(min, max, value) {
+    return Math.max(min, Math.min(max, value));
+  }
+
+  function decodeL(L) {
+    if (L < 0) {
+      return -decodeL(-L);
+    }
+
+    if (L > 8.0) {
+      return ((L + 16) / 116) ** 3;
+    }
+
+    return L * DECODE_L_CONSTANT;
+  }
+
+  function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) {
+    if (sourceBlackPoint[0] === 0 && sourceBlackPoint[1] === 0 && sourceBlackPoint[2] === 0) {
+      result[0] = XYZ_Flat[0];
+      result[1] = XYZ_Flat[1];
+      result[2] = XYZ_Flat[2];
+      return;
+    }
+
+    const zeroDecodeL = decodeL(0);
+    const X_DST = zeroDecodeL;
+    const X_SRC = decodeL(sourceBlackPoint[0]);
+    const Y_DST = zeroDecodeL;
+    const Y_SRC = decodeL(sourceBlackPoint[1]);
+    const Z_DST = zeroDecodeL;
+    const Z_SRC = decodeL(sourceBlackPoint[2]);
+    const X_Scale = (1 - X_DST) / (1 - X_SRC);
+    const X_Offset = 1 - X_Scale;
+    const Y_Scale = (1 - Y_DST) / (1 - Y_SRC);
+    const Y_Offset = 1 - Y_Scale;
+    const Z_Scale = (1 - Z_DST) / (1 - Z_SRC);
+    const Z_Offset = 1 - Z_Scale;
+    result[0] = XYZ_Flat[0] * X_Scale + X_Offset;
+    result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset;
+    result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset;
+  }
+
+  function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) {
+    if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) {
+      result[0] = XYZ_In[0];
+      result[1] = XYZ_In[1];
+      result[2] = XYZ_In[2];
+      return;
+    }
+
+    const LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    const LMS_Flat = tempNormalizeMatrix;
+    convertToFlat(sourceWhitePoint, LMS, LMS_Flat);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result);
+  }
+
+  function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) {
+    const LMS = result;
+    matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS);
+    const LMS_D65 = tempNormalizeMatrix;
+    convertToD65(sourceWhitePoint, LMS, LMS_D65);
+    matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result);
+  }
+
+  function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) {
+    const A = adjustToRange(0, 1, src[srcOffset] * scale);
+    const B = adjustToRange(0, 1, src[srcOffset + 1] * scale);
+    const C = adjustToRange(0, 1, src[srcOffset + 2] * scale);
+    const AGR = A === 1 ? 1 : A ** cs.GR;
+    const BGG = B === 1 ? 1 : B ** cs.GG;
+    const CGB = C === 1 ? 1 : C ** cs.GB;
+    const X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB;
+    const Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB;
+    const Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB;
+    const XYZ = tempConvertMatrix1;
+    XYZ[0] = X;
+    XYZ[1] = Y;
+    XYZ[2] = Z;
+    const XYZ_Flat = tempConvertMatrix2;
+    normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat);
+    const XYZ_Black = tempConvertMatrix1;
+    compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black);
+    const XYZ_D65 = tempConvertMatrix2;
+    normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65);
+    const SRGB = tempConvertMatrix1;
+    matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB);
+    dest[destOffset] = sRGBTransferFunction(SRGB[0]) * 255;
+    dest[destOffset + 1] = sRGBTransferFunction(SRGB[1]) * 255;
+    dest[destOffset + 2] = sRGBTransferFunction(SRGB[2]) * 255;
+  }
+
+  class CalRGBCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, gamma, matrix) {
+      super("CalRGB", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space CalRGB");
+      }
+
+      blackPoint = blackPoint || new Float32Array(3);
+      gamma = gamma || new Float32Array([1, 1, 1]);
+      matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]);
+      const XW = whitePoint[0];
+      const YW = whitePoint[1];
+      const ZW = whitePoint[2];
+      this.whitePoint = whitePoint;
+      const XB = blackPoint[0];
+      const YB = blackPoint[1];
+      const ZB = blackPoint[2];
+      this.blackPoint = blackPoint;
+      this.GR = gamma[0];
+      this.GG = gamma[1];
+      this.GB = gamma[2];
+      this.MXA = matrix[0];
+      this.MYA = matrix[1];
+      this.MZA = matrix[2];
+      this.MXB = matrix[3];
+      this.MYB = matrix[4];
+      this.MZB = matrix[5];
+      this.MXC = matrix[6];
+      this.MYC = matrix[7];
+      this.MZC = matrix[8];
+
+      if (XW < 0 || ZW < 0 || YW !== 1) {
+        throw new _util.FormatError(`Invalid WhitePoint components for ${this.name}` + ", no fallback available");
+      }
+
+      if (XB < 0 || YB < 0 || ZB < 0) {
+        (0, _util.info)(`Invalid BlackPoint for ${this.name} [${XB}, ${YB}, ${ZB}], ` + "falling back to default.");
+        this.blackPoint = new Float32Array(3);
+      }
+
+      if (this.GR < 0 || this.GG < 0 || this.GB < 0) {
+        (0, _util.info)(`Invalid Gamma [${this.GR}, ${this.GG}, ${this.GB}] for ` + `${this.name}, falling back to default.`);
+        this.GR = this.GG = this.GB = 1;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, dest, destOffset, 1);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const scale = 1 / ((1 << bits) - 1);
+
+      for (let i = 0; i < count; ++i) {
+        convertToRgb(this, src, srcOffset, dest, destOffset, scale);
+        srcOffset += 3;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01) / 3 | 0;
+    }
+
+  }
+
+  return CalRGBCS;
+}();
+
+const LabCS = function LabCSClosure() {
+  function fn_g(x) {
+    let result;
+
+    if (x >= 6 / 29) {
+      result = x * x * x;
+    } else {
+      result = 108 / 841 * (x - 4 / 29);
+    }
+
+    return result;
+  }
+
+  function decode(value, high1, low2, high2) {
+    return low2 + value * (high2 - low2) / high1;
+  }
+
+  function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) {
+    let Ls = src[srcOffset];
+    let as = src[srcOffset + 1];
+    let bs = src[srcOffset + 2];
+
+    if (maxVal !== false) {
+      Ls = decode(Ls, maxVal, 0, 100);
+      as = decode(as, maxVal, cs.amin, cs.amax);
+      bs = decode(bs, maxVal, cs.bmin, cs.bmax);
+    }
+
+    if (as > cs.amax) {
+      as = cs.amax;
+    } else if (as < cs.amin) {
+      as = cs.amin;
+    }
+
+    if (bs > cs.bmax) {
+      bs = cs.bmax;
+    } else if (bs < cs.bmin) {
+      bs = cs.bmin;
+    }
+
+    const M = (Ls + 16) / 116;
+    const L = M + as / 500;
+    const N = M - bs / 200;
+    const X = cs.XW * fn_g(L);
+    const Y = cs.YW * fn_g(M);
+    const Z = cs.ZW * fn_g(N);
+    let r, g, b;
+
+    if (cs.ZW < 1) {
+      r = X * 3.1339 + Y * -1.617 + Z * -0.4906;
+      g = X * -0.9785 + Y * 1.916 + Z * 0.0333;
+      b = X * 0.072 + Y * -0.229 + Z * 1.4057;
+    } else {
+      r = X * 3.2406 + Y * -1.5372 + Z * -0.4986;
+      g = X * -0.9689 + Y * 1.8758 + Z * 0.0415;
+      b = X * 0.0557 + Y * -0.204 + Z * 1.057;
+    }
+
+    dest[destOffset] = Math.sqrt(r) * 255;
+    dest[destOffset + 1] = Math.sqrt(g) * 255;
+    dest[destOffset + 2] = Math.sqrt(b) * 255;
+  }
+
+  class LabCS extends ColorSpace {
+    constructor(whitePoint, blackPoint, range) {
+      super("Lab", 3);
+
+      if (!whitePoint) {
+        throw new _util.FormatError("WhitePoint missing - required for color space Lab");
+      }
+
+      blackPoint = blackPoint || [0, 0, 0];
+      range = range || [-100, 100, -100, 100];
+      this.XW = whitePoint[0];
+      this.YW = whitePoint[1];
+      this.ZW = whitePoint[2];
+      this.amin = range[0];
+      this.amax = range[1];
+      this.bmin = range[2];
+      this.bmax = range[3];
+      this.XB = blackPoint[0];
+      this.YB = blackPoint[1];
+      this.ZB = blackPoint[2];
+
+      if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) {
+        throw new _util.FormatError("Invalid WhitePoint components, no fallback available");
+      }
+
+      if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
+        (0, _util.info)("Invalid BlackPoint, falling back to default");
+        this.XB = this.YB = this.ZB = 0;
+      }
+
+      if (this.amin > this.amax || this.bmin > this.bmax) {
+        (0, _util.info)("Invalid Range, falling back to defaults");
+        this.amin = -100;
+        this.amax = 100;
+        this.bmin = -100;
+        this.bmax = 100;
+      }
+    }
+
+    getRgbItem(src, srcOffset, dest, destOffset) {
+      convertToRgb(this, src, srcOffset, false, dest, destOffset);
+    }
+
+    getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) {
+      const maxVal = (1 << bits) - 1;
+
+      for (let i = 0; i < count; i++) {
+        convertToRgb(this, src, srcOffset, maxVal, dest, destOffset);
+        srcOffset += 3;
+        destOffset += 3 + alpha01;
+      }
+    }
+
+    getOutputLength(inputLength, alpha01) {
+      return inputLength * (3 + alpha01) / 3 | 0;
+    }
+
+    isDefaultDecode(decodeMap, bpc) {
+      return true;
+    }
+
+    get usesZeroToOneRange() {
+      return (0, _util.shadow)(this, "usesZeroToOneRange", false);
+    }
+
+  }
+
+  return LabCS;
+}();
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/core_utils.js b/node_modules/pdfjs-dist/lib/core/core_utils.js
new file mode 100644
index 00000000..6e336b60
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/core_utils.js
@@ -0,0 +1,152 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getInheritableProperty = getInheritableProperty;
+exports.toRomanNumerals = toRomanNumerals;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.isWhiteSpace = isWhiteSpace;
+exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
+
+var _util = require("../shared/util.js");
+
+function getLookupTableFactory(initializer) {
+  let lookup;
+  return function () {
+    if (initializer) {
+      lookup = Object.create(null);
+      initializer(lookup);
+      initializer = null;
+    }
+
+    return lookup;
+  };
+}
+
+class MissingDataException extends _util.BaseException {
+  constructor(begin, end) {
+    super(`Missing data [${begin}, ${end})`);
+    this.begin = begin;
+    this.end = end;
+  }
+
+}
+
+exports.MissingDataException = MissingDataException;
+
+class XRefEntryException extends _util.BaseException {}
+
+exports.XRefEntryException = XRefEntryException;
+
+class XRefParseException extends _util.BaseException {}
+
+exports.XRefParseException = XRefParseException;
+
+function getInheritableProperty({
+  dict,
+  key,
+  getArray = false,
+  stopWhenFound = true
+}) {
+  const LOOP_LIMIT = 100;
+  let loopCount = 0;
+  let values;
+
+  while (dict) {
+    const value = getArray ? dict.getArray(key) : dict.get(key);
+
+    if (value !== undefined) {
+      if (stopWhenFound) {
+        return value;
+      }
+
+      if (!values) {
+        values = [];
+      }
+
+      values.push(value);
+    }
+
+    if (++loopCount > LOOP_LIMIT) {
+      (0, _util.warn)(`getInheritableProperty: maximum loop count exceeded for "${key}"`);
+      break;
+    }
+
+    dict = dict.get("Parent");
+  }
+
+  return values;
+}
+
+const ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
+
+function toRomanNumerals(number, lowerCase = false) {
+  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
+  const romanBuf = [];
+  let pos;
+
+  while (number >= 1000) {
+    number -= 1000;
+    romanBuf.push("M");
+  }
+
+  pos = number / 100 | 0;
+  number %= 100;
+  romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+  pos = number / 10 | 0;
+  number %= 10;
+  romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+  romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+  const romanStr = romanBuf.join("");
+  return lowerCase ? romanStr.toLowerCase() : romanStr;
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, offset) {
+  return data[offset] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isWhiteSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/crypto.js b/node_modules/pdfjs-dist/lib/core/crypto.js
new file mode 100644
index 00000000..39a47526
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/crypto.js
@@ -0,0 +1,1642 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.calculateSHA512 = exports.calculateSHA384 = exports.calculateSHA256 = exports.calculateMD5 = exports.PDF20 = exports.PDF17 = exports.CipherTransformFactory = exports.ARCFourCipher = exports.AES256Cipher = exports.AES128Cipher = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _stream = require("./stream.js");
+
+var ARCFourCipher = function ARCFourCipherClosure() {
+  function ARCFourCipher(key) {
+    this.a = 0;
+    this.b = 0;
+    var s = new Uint8Array(256);
+    var i,
+        j = 0,
+        tmp,
+        keyLength = key.length;
+
+    for (i = 0; i < 256; ++i) {
+      s[i] = i;
+    }
+
+    for (i = 0; i < 256; ++i) {
+      tmp = s[i];
+      j = j + tmp + key[i % keyLength] & 0xff;
+      s[i] = s[j];
+      s[j] = tmp;
+    }
+
+    this.s = s;
+  }
+
+  ARCFourCipher.prototype = {
+    encryptBlock: function ARCFourCipher_encryptBlock(data) {
+      var i,
+          n = data.length,
+          tmp,
+          tmp2;
+      var a = this.a,
+          b = this.b,
+          s = this.s;
+      var output = new Uint8Array(n);
+
+      for (i = 0; i < n; ++i) {
+        a = a + 1 & 0xff;
+        tmp = s[a];
+        b = b + tmp & 0xff;
+        tmp2 = s[b];
+        s[a] = tmp2;
+        s[b] = tmp;
+        output[i] = data[i] ^ s[tmp + tmp2 & 0xff];
+      }
+
+      this.a = a;
+      this.b = b;
+      return output;
+    }
+  };
+  ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;
+  ARCFourCipher.prototype.encrypt = ARCFourCipher.prototype.encryptBlock;
+  return ARCFourCipher;
+}();
+
+exports.ARCFourCipher = ARCFourCipher;
+
+var calculateMD5 = function calculateMD5Closure() {
+  var r = new Uint8Array([7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);
+  var k = new Int32Array([-680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, -145523070, -1120210379, 718787259, -343485551]);
+
+  function hash(data, offset, length) {
+    var h0 = 1732584193,
+        h1 = -271733879,
+        h2 = -1732584194,
+        h3 = 271733878;
+    var paddedLength = length + 72 & ~63;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = length << 3 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    var w = new Int32Array(16);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j, i += 4) {
+        w[j] = padded[i] | padded[i + 1] << 8 | padded[i + 2] << 16 | padded[i + 3] << 24;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          f,
+          g;
+
+      for (j = 0; j < 64; ++j) {
+        if (j < 16) {
+          f = b & c | ~b & d;
+          g = j;
+        } else if (j < 32) {
+          f = d & b | ~d & c;
+          g = 5 * j + 1 & 15;
+        } else if (j < 48) {
+          f = b ^ c ^ d;
+          g = 3 * j + 5 & 15;
+        } else {
+          f = c ^ (b | ~d);
+          g = 7 * j & 15;
+        }
+
+        var tmp = d,
+            rotateArg = a + f + k[j] + w[g] | 0,
+            rotate = r[j];
+        d = c;
+        c = b;
+        b = b + (rotateArg << rotate | rotateArg >>> 32 - rotate) | 0;
+        a = tmp;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+    }
+
+    return new Uint8Array([h0 & 0xFF, h0 >> 8 & 0xFF, h0 >> 16 & 0xFF, h0 >>> 24 & 0xFF, h1 & 0xFF, h1 >> 8 & 0xFF, h1 >> 16 & 0xFF, h1 >>> 24 & 0xFF, h2 & 0xFF, h2 >> 8 & 0xFF, h2 >> 16 & 0xFF, h2 >>> 24 & 0xFF, h3 & 0xFF, h3 >> 8 & 0xFF, h3 >> 16 & 0xFF, h3 >>> 24 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateMD5 = calculateMD5;
+
+var Word64 = function Word64Closure() {
+  function Word64(highInteger, lowInteger) {
+    this.high = highInteger | 0;
+    this.low = lowInteger | 0;
+  }
+
+  Word64.prototype = {
+    and: function Word64_and(word) {
+      this.high &= word.high;
+      this.low &= word.low;
+    },
+    xor: function Word64_xor(word) {
+      this.high ^= word.high;
+      this.low ^= word.low;
+    },
+    or: function Word64_or(word) {
+      this.high |= word.high;
+      this.low |= word.low;
+    },
+    shiftRight: function Word64_shiftRight(places) {
+      if (places >= 32) {
+        this.low = this.high >>> places - 32 | 0;
+        this.high = 0;
+      } else {
+        this.low = this.low >>> places | this.high << 32 - places;
+        this.high = this.high >>> places | 0;
+      }
+    },
+    shiftLeft: function Word64_shiftLeft(places) {
+      if (places >= 32) {
+        this.high = this.low << places - 32;
+        this.low = 0;
+      } else {
+        this.high = this.high << places | this.low >>> 32 - places;
+        this.low = this.low << places;
+      }
+    },
+    rotateRight: function Word64_rotateRight(places) {
+      var low, high;
+
+      if (places & 32) {
+        high = this.low;
+        low = this.high;
+      } else {
+        low = this.low;
+        high = this.high;
+      }
+
+      places &= 31;
+      this.low = low >>> places | high << 32 - places;
+      this.high = high >>> places | low << 32 - places;
+    },
+    not: function Word64_not() {
+      this.high = ~this.high;
+      this.low = ~this.low;
+    },
+    add: function Word64_add(word) {
+      var lowAdd = (this.low >>> 0) + (word.low >>> 0);
+      var highAdd = (this.high >>> 0) + (word.high >>> 0);
+
+      if (lowAdd > 0xffffffff) {
+        highAdd += 1;
+      }
+
+      this.low = lowAdd | 0;
+      this.high = highAdd | 0;
+    },
+    copyTo: function Word64_copyTo(bytes, offset) {
+      bytes[offset] = this.high >>> 24 & 0xff;
+      bytes[offset + 1] = this.high >> 16 & 0xff;
+      bytes[offset + 2] = this.high >> 8 & 0xff;
+      bytes[offset + 3] = this.high & 0xff;
+      bytes[offset + 4] = this.low >>> 24 & 0xff;
+      bytes[offset + 5] = this.low >> 16 & 0xff;
+      bytes[offset + 6] = this.low >> 8 & 0xff;
+      bytes[offset + 7] = this.low & 0xff;
+    },
+    assign: function Word64_assign(word) {
+      this.high = word.high;
+      this.low = word.low;
+    }
+  };
+  return Word64;
+}();
+
+var calculateSHA256 = function calculateSHA256Closure() {
+  function rotr(x, n) {
+    return x >>> n | x << 32 - n;
+  }
+
+  function ch(x, y, z) {
+    return x & y ^ ~x & z;
+  }
+
+  function maj(x, y, z) {
+    return x & y ^ x & z ^ y & z;
+  }
+
+  function sigma(x) {
+    return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22);
+  }
+
+  function sigmaPrime(x) {
+    return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25);
+  }
+
+  function littleSigma(x) {
+    return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3;
+  }
+
+  function littleSigmaPrime(x) {
+    return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10;
+  }
+
+  var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];
+
+  function hash(data, offset, length) {
+    var h0 = 0x6a09e667,
+        h1 = 0xbb67ae85,
+        h2 = 0x3c6ef372,
+        h3 = 0xa54ff53a,
+        h4 = 0x510e527f,
+        h5 = 0x9b05688c,
+        h6 = 0x1f83d9ab,
+        h7 = 0x5be0cd19;
+    var paddedLength = Math.ceil((length + 9) / 64) * 64;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 8;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Uint32Array(64);
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j] = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        i += 4;
+      }
+
+      for (j = 16; j < 64; ++j) {
+        w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + littleSigma(w[j - 15]) + w[j - 16] | 0;
+      }
+
+      var a = h0,
+          b = h1,
+          c = h2,
+          d = h3,
+          e = h4,
+          f = h5,
+          g = h6,
+          h = h7,
+          t1,
+          t2;
+
+      for (j = 0; j < 64; ++j) {
+        t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j];
+        t2 = sigma(a) + maj(a, b, c);
+        h = g;
+        g = f;
+        f = e;
+        e = d + t1 | 0;
+        d = c;
+        c = b;
+        b = a;
+        a = t1 + t2 | 0;
+      }
+
+      h0 = h0 + a | 0;
+      h1 = h1 + b | 0;
+      h2 = h2 + c | 0;
+      h3 = h3 + d | 0;
+      h4 = h4 + e | 0;
+      h5 = h5 + f | 0;
+      h6 = h6 + g | 0;
+      h7 = h7 + h | 0;
+    }
+
+    return new Uint8Array([h0 >> 24 & 0xFF, h0 >> 16 & 0xFF, h0 >> 8 & 0xFF, h0 & 0xFF, h1 >> 24 & 0xFF, h1 >> 16 & 0xFF, h1 >> 8 & 0xFF, h1 & 0xFF, h2 >> 24 & 0xFF, h2 >> 16 & 0xFF, h2 >> 8 & 0xFF, h2 & 0xFF, h3 >> 24 & 0xFF, h3 >> 16 & 0xFF, h3 >> 8 & 0xFF, h3 & 0xFF, h4 >> 24 & 0xFF, h4 >> 16 & 0xFF, h4 >> 8 & 0xFF, h4 & 0xFF, h5 >> 24 & 0xFF, h5 >> 16 & 0xFF, h5 >> 8 & 0xFF, h5 & 0xFF, h6 >> 24 & 0xFF, h6 >> 16 & 0xFF, h6 >> 8 & 0xFF, h6 & 0xFF, h7 >> 24 & 0xFF, h7 >> 16 & 0xFF, h7 >> 8 & 0xFF, h7 & 0xFF]);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA256 = calculateSHA256;
+
+var calculateSHA512 = function calculateSHA512Closure() {
+  function ch(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.not();
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function maj(result, x, y, z, tmp) {
+    result.assign(x);
+    result.and(y);
+    tmp.assign(x);
+    tmp.and(z);
+    result.xor(tmp);
+    tmp.assign(y);
+    tmp.and(z);
+    result.xor(tmp);
+  }
+
+  function sigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(28);
+    tmp.assign(x);
+    tmp.rotateRight(34);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(39);
+    result.xor(tmp);
+  }
+
+  function sigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(14);
+    tmp.assign(x);
+    tmp.rotateRight(18);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.rotateRight(41);
+    result.xor(tmp);
+  }
+
+  function littleSigma(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(1);
+    tmp.assign(x);
+    tmp.rotateRight(8);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(7);
+    result.xor(tmp);
+  }
+
+  function littleSigmaPrime(result, x, tmp) {
+    result.assign(x);
+    result.rotateRight(19);
+    tmp.assign(x);
+    tmp.rotateRight(61);
+    result.xor(tmp);
+    tmp.assign(x);
+    tmp.shiftRight(6);
+    result.xor(tmp);
+  }
+
+  var k = [new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)];
+
+  function hash(data, offset, length, mode384) {
+    mode384 = !!mode384;
+    var h0, h1, h2, h3, h4, h5, h6, h7;
+
+    if (!mode384) {
+      h0 = new Word64(0x6a09e667, 0xf3bcc908);
+      h1 = new Word64(0xbb67ae85, 0x84caa73b);
+      h2 = new Word64(0x3c6ef372, 0xfe94f82b);
+      h3 = new Word64(0xa54ff53a, 0x5f1d36f1);
+      h4 = new Word64(0x510e527f, 0xade682d1);
+      h5 = new Word64(0x9b05688c, 0x2b3e6c1f);
+      h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);
+      h7 = new Word64(0x5be0cd19, 0x137e2179);
+    } else {
+      h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);
+      h1 = new Word64(0x629a292a, 0x367cd507);
+      h2 = new Word64(0x9159015a, 0x3070dd17);
+      h3 = new Word64(0x152fecd8, 0xf70e5939);
+      h4 = new Word64(0x67332667, 0xffc00b31);
+      h5 = new Word64(0x8eb44a87, 0x68581511);
+      h6 = new Word64(0xdb0c2e0d, 0x64f98fa7);
+      h7 = new Word64(0x47b5481d, 0xbefa4fa4);
+    }
+
+    var paddedLength = Math.ceil((length + 17) / 128) * 128;
+    var padded = new Uint8Array(paddedLength);
+    var i, j, n;
+
+    for (i = 0; i < length; ++i) {
+      padded[i] = data[offset++];
+    }
+
+    padded[i++] = 0x80;
+    n = paddedLength - 16;
+
+    while (i < n) {
+      padded[i++] = 0;
+    }
+
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = 0;
+    padded[i++] = length >>> 29 & 0xff;
+    padded[i++] = length >> 21 & 0xff;
+    padded[i++] = length >> 13 & 0xff;
+    padded[i++] = length >> 5 & 0xff;
+    padded[i++] = length << 3 & 0xff;
+    var w = new Array(80);
+
+    for (i = 0; i < 80; i++) {
+      w[i] = new Word64(0, 0);
+    }
+
+    var a = new Word64(0, 0),
+        b = new Word64(0, 0),
+        c = new Word64(0, 0);
+    var d = new Word64(0, 0),
+        e = new Word64(0, 0),
+        f = new Word64(0, 0);
+    var g = new Word64(0, 0),
+        h = new Word64(0, 0);
+    var t1 = new Word64(0, 0),
+        t2 = new Word64(0, 0);
+    var tmp1 = new Word64(0, 0),
+        tmp2 = new Word64(0, 0),
+        tmp3;
+
+    for (i = 0; i < paddedLength;) {
+      for (j = 0; j < 16; ++j) {
+        w[j].high = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3];
+        w[j].low = padded[i + 4] << 24 | padded[i + 5] << 16 | padded[i + 6] << 8 | padded[i + 7];
+        i += 8;
+      }
+
+      for (j = 16; j < 80; ++j) {
+        tmp3 = w[j];
+        littleSigmaPrime(tmp3, w[j - 2], tmp2);
+        tmp3.add(w[j - 7]);
+        littleSigma(tmp1, w[j - 15], tmp2);
+        tmp3.add(tmp1);
+        tmp3.add(w[j - 16]);
+      }
+
+      a.assign(h0);
+      b.assign(h1);
+      c.assign(h2);
+      d.assign(h3);
+      e.assign(h4);
+      f.assign(h5);
+      g.assign(h6);
+      h.assign(h7);
+
+      for (j = 0; j < 80; ++j) {
+        t1.assign(h);
+        sigmaPrime(tmp1, e, tmp2);
+        t1.add(tmp1);
+        ch(tmp1, e, f, g, tmp2);
+        t1.add(tmp1);
+        t1.add(k[j]);
+        t1.add(w[j]);
+        sigma(t2, a, tmp2);
+        maj(tmp1, a, b, c, tmp2);
+        t2.add(tmp1);
+        tmp3 = h;
+        h = g;
+        g = f;
+        f = e;
+        d.add(t1);
+        e = d;
+        d = c;
+        c = b;
+        b = a;
+        tmp3.assign(t1);
+        tmp3.add(t2);
+        a = tmp3;
+      }
+
+      h0.add(a);
+      h1.add(b);
+      h2.add(c);
+      h3.add(d);
+      h4.add(e);
+      h5.add(f);
+      h6.add(g);
+      h7.add(h);
+    }
+
+    var result;
+
+    if (!mode384) {
+      result = new Uint8Array(64);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+      h6.copyTo(result, 48);
+      h7.copyTo(result, 56);
+    } else {
+      result = new Uint8Array(48);
+      h0.copyTo(result, 0);
+      h1.copyTo(result, 8);
+      h2.copyTo(result, 16);
+      h3.copyTo(result, 24);
+      h4.copyTo(result, 32);
+      h5.copyTo(result, 40);
+    }
+
+    return result;
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA512 = calculateSHA512;
+
+var calculateSHA384 = function calculateSHA384Closure() {
+  function hash(data, offset, length) {
+    return calculateSHA512(data, offset, length, true);
+  }
+
+  return hash;
+}();
+
+exports.calculateSHA384 = calculateSHA384;
+
+var NullCipher = function NullCipherClosure() {
+  function NullCipher() {}
+
+  NullCipher.prototype = {
+    decryptBlock: function NullCipher_decryptBlock(data) {
+      return data;
+    },
+    encrypt: function NullCipher_encrypt(data) {
+      return data;
+    }
+  };
+  return NullCipher;
+}();
+
+class AESBaseCipher {
+  constructor() {
+    if (this.constructor === AESBaseCipher) {
+      (0, _util.unreachable)("Cannot initialize AESBaseCipher.");
+    }
+
+    this._s = new Uint8Array([0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16]);
+    this._inv_s = new Uint8Array([0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d]);
+    this._mix = new Uint32Array([0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]);
+    this._mixCol = new Uint8Array(256);
+
+    for (let i = 0; i < 256; i++) {
+      if (i < 128) {
+        this._mixCol[i] = i << 1;
+      } else {
+        this._mixCol[i] = i << 1 ^ 0x1b;
+      }
+    }
+
+    this.buffer = new Uint8Array(16);
+    this.bufferPosition = 0;
+  }
+
+  _expandKey(cipherKey) {
+    (0, _util.unreachable)("Cannot call `_expandKey` on the base class");
+  }
+
+  _decrypt(input, key) {
+    let t, u, v;
+    const state = new Uint8Array(16);
+    state.set(input);
+
+    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {
+      state[j] ^= key[k];
+    }
+
+    for (let i = this._cyclesOfRepetition - 1; i >= 1; --i) {
+      t = state[13];
+      state[13] = state[9];
+      state[9] = state[5];
+      state[5] = state[1];
+      state[1] = t;
+      t = state[14];
+      u = state[10];
+      state[14] = state[6];
+      state[10] = state[2];
+      state[6] = t;
+      state[2] = u;
+      t = state[15];
+      u = state[11];
+      v = state[7];
+      state[15] = state[3];
+      state[11] = t;
+      state[7] = u;
+      state[3] = v;
+
+      for (let j = 0; j < 16; ++j) {
+        state[j] = this._inv_s[state[j]];
+      }
+
+      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {
+        state[j] ^= key[k];
+      }
+
+      for (let j = 0; j < 16; j += 4) {
+        const s0 = this._mix[state[j]];
+        const s1 = this._mix[state[j + 1]];
+        const s2 = this._mix[state[j + 2]];
+        const s3 = this._mix[state[j + 3]];
+        t = s0 ^ s1 >>> 8 ^ s1 << 24 ^ s2 >>> 16 ^ s2 << 16 ^ s3 >>> 24 ^ s3 << 8;
+        state[j] = t >>> 24 & 0xff;
+        state[j + 1] = t >> 16 & 0xff;
+        state[j + 2] = t >> 8 & 0xff;
+        state[j + 3] = t & 0xff;
+      }
+    }
+
+    t = state[13];
+    state[13] = state[9];
+    state[9] = state[5];
+    state[5] = state[1];
+    state[1] = t;
+    t = state[14];
+    u = state[10];
+    state[14] = state[6];
+    state[10] = state[2];
+    state[6] = t;
+    state[2] = u;
+    t = state[15];
+    u = state[11];
+    v = state[7];
+    state[15] = state[3];
+    state[11] = t;
+    state[7] = u;
+    state[3] = v;
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] = this._inv_s[state[j]];
+      state[j] ^= key[j];
+    }
+
+    return state;
+  }
+
+  _encrypt(input, key) {
+    const s = this._s;
+    let t, u, v;
+    const state = new Uint8Array(16);
+    state.set(input);
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] ^= key[j];
+    }
+
+    for (let i = 1; i < this._cyclesOfRepetition; i++) {
+      for (let j = 0; j < 16; ++j) {
+        state[j] = s[state[j]];
+      }
+
+      v = state[1];
+      state[1] = state[5];
+      state[5] = state[9];
+      state[9] = state[13];
+      state[13] = v;
+      v = state[2];
+      u = state[6];
+      state[2] = state[10];
+      state[6] = state[14];
+      state[10] = v;
+      state[14] = u;
+      v = state[3];
+      u = state[7];
+      t = state[11];
+      state[3] = state[15];
+      state[7] = v;
+      state[11] = u;
+      state[15] = t;
+
+      for (let j = 0; j < 16; j += 4) {
+        const s0 = state[j + 0];
+        const s1 = state[j + 1];
+        const s2 = state[j + 2];
+        const s3 = state[j + 3];
+        t = s0 ^ s1 ^ s2 ^ s3;
+        state[j + 0] ^= t ^ this._mixCol[s0 ^ s1];
+        state[j + 1] ^= t ^ this._mixCol[s1 ^ s2];
+        state[j + 2] ^= t ^ this._mixCol[s2 ^ s3];
+        state[j + 3] ^= t ^ this._mixCol[s3 ^ s0];
+      }
+
+      for (let j = 0, k = i * 16; j < 16; ++j, ++k) {
+        state[j] ^= key[k];
+      }
+    }
+
+    for (let j = 0; j < 16; ++j) {
+      state[j] = s[state[j]];
+    }
+
+    v = state[1];
+    state[1] = state[5];
+    state[5] = state[9];
+    state[9] = state[13];
+    state[13] = v;
+    v = state[2];
+    u = state[6];
+    state[2] = state[10];
+    state[6] = state[14];
+    state[10] = v;
+    state[14] = u;
+    v = state[3];
+    u = state[7];
+    t = state[11];
+    state[3] = state[15];
+    state[7] = v;
+    state[11] = u;
+    state[15] = t;
+
+    for (let j = 0, k = this._keySize; j < 16; ++j, ++k) {
+      state[j] ^= key[k];
+    }
+
+    return state;
+  }
+
+  _decryptBlock2(data, finalize) {
+    const sourceLength = data.length;
+    let buffer = this.buffer,
+        bufferLength = this.bufferPosition;
+    const result = [];
+    let iv = this.iv;
+
+    for (let i = 0; i < sourceLength; ++i) {
+      buffer[bufferLength] = data[i];
+      ++bufferLength;
+
+      if (bufferLength < 16) {
+        continue;
+      }
+
+      const plain = this._decrypt(buffer, this._key);
+
+      for (let j = 0; j < 16; ++j) {
+        plain[j] ^= iv[j];
+      }
+
+      iv = buffer;
+      result.push(plain);
+      buffer = new Uint8Array(16);
+      bufferLength = 0;
+    }
+
+    this.buffer = buffer;
+    this.bufferLength = bufferLength;
+    this.iv = iv;
+
+    if (result.length === 0) {
+      return new Uint8Array(0);
+    }
+
+    let outputLength = 16 * result.length;
+
+    if (finalize) {
+      const lastBlock = result[result.length - 1];
+      let psLen = lastBlock[15];
+
+      if (psLen <= 16) {
+        for (let i = 15, ii = 16 - psLen; i >= ii; --i) {
+          if (lastBlock[i] !== psLen) {
+            psLen = 0;
+            break;
+          }
+        }
+
+        outputLength -= psLen;
+        result[result.length - 1] = lastBlock.subarray(0, 16 - psLen);
+      }
+    }
+
+    const output = new Uint8Array(outputLength);
+
+    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {
+      output.set(result[i], j);
+    }
+
+    return output;
+  }
+
+  decryptBlock(data, finalize, iv = null) {
+    const sourceLength = data.length;
+    const buffer = this.buffer;
+    let bufferLength = this.bufferPosition;
+
+    if (iv) {
+      this.iv = iv;
+    } else {
+      for (let i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) {
+        buffer[bufferLength] = data[i];
+      }
+
+      if (bufferLength < 16) {
+        this.bufferLength = bufferLength;
+        return new Uint8Array(0);
+      }
+
+      this.iv = buffer;
+      data = data.subarray(16);
+    }
+
+    this.buffer = new Uint8Array(16);
+    this.bufferLength = 0;
+    this.decryptBlock = this._decryptBlock2;
+    return this.decryptBlock(data, finalize);
+  }
+
+  encrypt(data, iv) {
+    const sourceLength = data.length;
+    let buffer = this.buffer,
+        bufferLength = this.bufferPosition;
+    const result = [];
+
+    if (!iv) {
+      iv = new Uint8Array(16);
+    }
+
+    for (let i = 0; i < sourceLength; ++i) {
+      buffer[bufferLength] = data[i];
+      ++bufferLength;
+
+      if (bufferLength < 16) {
+        continue;
+      }
+
+      for (let j = 0; j < 16; ++j) {
+        buffer[j] ^= iv[j];
+      }
+
+      const cipher = this._encrypt(buffer, this._key);
+
+      iv = cipher;
+      result.push(cipher);
+      buffer = new Uint8Array(16);
+      bufferLength = 0;
+    }
+
+    this.buffer = buffer;
+    this.bufferLength = bufferLength;
+    this.iv = iv;
+
+    if (result.length === 0) {
+      return new Uint8Array(0);
+    }
+
+    const outputLength = 16 * result.length;
+    const output = new Uint8Array(outputLength);
+
+    for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) {
+      output.set(result[i], j);
+    }
+
+    return output;
+  }
+
+}
+
+class AES128Cipher extends AESBaseCipher {
+  constructor(key) {
+    super();
+    this._cyclesOfRepetition = 10;
+    this._keySize = 160;
+    this._rcon = new Uint8Array([0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d]);
+    this._key = this._expandKey(key);
+  }
+
+  _expandKey(cipherKey) {
+    const b = 176;
+    const s = this._s;
+    const rcon = this._rcon;
+    const result = new Uint8Array(b);
+    result.set(cipherKey);
+
+    for (let j = 16, i = 1; j < b; ++i) {
+      let t1 = result[j - 3];
+      let t2 = result[j - 2];
+      let t3 = result[j - 1];
+      let t4 = result[j - 4];
+      t1 = s[t1];
+      t2 = s[t2];
+      t3 = s[t3];
+      t4 = s[t4];
+      t1 = t1 ^ rcon[i];
+
+      for (let n = 0; n < 4; ++n) {
+        result[j] = t1 ^= result[j - 16];
+        j++;
+        result[j] = t2 ^= result[j - 16];
+        j++;
+        result[j] = t3 ^= result[j - 16];
+        j++;
+        result[j] = t4 ^= result[j - 16];
+        j++;
+      }
+    }
+
+    return result;
+  }
+
+}
+
+exports.AES128Cipher = AES128Cipher;
+
+class AES256Cipher extends AESBaseCipher {
+  constructor(key) {
+    super();
+    this._cyclesOfRepetition = 14;
+    this._keySize = 224;
+    this._key = this._expandKey(key);
+  }
+
+  _expandKey(cipherKey) {
+    const b = 240;
+    const s = this._s;
+    const result = new Uint8Array(b);
+    result.set(cipherKey);
+    let r = 1;
+    let t1, t2, t3, t4;
+
+    for (let j = 32, i = 1; j < b; ++i) {
+      if (j % 32 === 16) {
+        t1 = s[t1];
+        t2 = s[t2];
+        t3 = s[t3];
+        t4 = s[t4];
+      } else if (j % 32 === 0) {
+        t1 = result[j - 3];
+        t2 = result[j - 2];
+        t3 = result[j - 1];
+        t4 = result[j - 4];
+        t1 = s[t1];
+        t2 = s[t2];
+        t3 = s[t3];
+        t4 = s[t4];
+        t1 = t1 ^ r;
+
+        if ((r <<= 1) >= 256) {
+          r = (r ^ 0x1b) & 0xff;
+        }
+      }
+
+      for (let n = 0; n < 4; ++n) {
+        result[j] = t1 ^= result[j - 32];
+        j++;
+        result[j] = t2 ^= result[j - 32];
+        j++;
+        result[j] = t3 ^= result[j - 32];
+        j++;
+        result[j] = t4 ^= result[j - 32];
+        j++;
+      }
+    }
+
+    return result;
+  }
+
+}
+
+exports.AES256Cipher = AES256Cipher;
+
+var PDF17 = function PDF17Closure() {
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function PDF17() {}
+
+  PDF17.prototype = {
+    checkOwnerPassword: function PDF17_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF17_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculateSHA256(hashData, 0, hashData.length);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF17_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculateSHA256(hashData, 0, hashData.length);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF17;
+}();
+
+exports.PDF17 = PDF17;
+
+var PDF20 = function PDF20Closure() {
+  function concatArrays(array1, array2) {
+    var t = new Uint8Array(array1.length + array2.length);
+    t.set(array1, 0);
+    t.set(array2, array1.length);
+    return t;
+  }
+
+  function calculatePDF20Hash(password, input, userBytes) {
+    var k = calculateSHA256(input, 0, input.length).subarray(0, 32);
+    var e = [0];
+    var i = 0;
+
+    while (i < 64 || e[e.length - 1] > i - 32) {
+      var arrayLength = password.length + k.length + userBytes.length;
+      var k1 = new Uint8Array(arrayLength * 64);
+      var array = concatArrays(password, k);
+      array = concatArrays(array, userBytes);
+
+      for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {
+        k1.set(array, pos);
+      }
+
+      var cipher = new AES128Cipher(k.subarray(0, 16));
+      e = cipher.encrypt(k1, k.subarray(16, 32));
+      var remainder = 0;
+
+      for (var z = 0; z < 16; z++) {
+        remainder *= 256 % 3;
+        remainder %= 3;
+        remainder += (e[z] >>> 0) % 3;
+        remainder %= 3;
+      }
+
+      if (remainder === 0) {
+        k = calculateSHA256(e, 0, e.length);
+      } else if (remainder === 1) {
+        k = calculateSHA384(e, 0, e.length);
+      } else if (remainder === 2) {
+        k = calculateSHA512(e, 0, e.length);
+      }
+
+      i++;
+    }
+
+    return k.subarray(0, 32);
+  }
+
+  function PDF20() {}
+
+  function compareByteArrays(array1, array2) {
+    if (array1.length !== array2.length) {
+      return false;
+    }
+
+    for (var i = 0; i < array1.length; i++) {
+      if (array1[i] !== array2[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  PDF20.prototype = {
+    hash: function PDF20_hash(password, concatBytes, userBytes) {
+      return calculatePDF20Hash(password, concatBytes, userBytes);
+    },
+    checkOwnerPassword: function PDF20_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerValidationSalt, password.length);
+      hashData.set(userBytes, password.length + ownerValidationSalt.length);
+      var result = calculatePDF20Hash(password, hashData, userBytes);
+      return compareByteArrays(result, ownerPassword);
+    },
+    checkUserPassword: function PDF20_checkUserPassword(password, userValidationSalt, userPassword) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userValidationSalt, password.length);
+      var result = calculatePDF20Hash(password, hashData, []);
+      return compareByteArrays(result, userPassword);
+    },
+    getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {
+      var hashData = new Uint8Array(password.length + 56);
+      hashData.set(password, 0);
+      hashData.set(ownerKeySalt, password.length);
+      hashData.set(userBytes, password.length + ownerKeySalt.length);
+      var key = calculatePDF20Hash(password, hashData, userBytes);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));
+    },
+    getUserKey: function PDF20_getUserKey(password, userKeySalt, userEncryption) {
+      var hashData = new Uint8Array(password.length + 8);
+      hashData.set(password, 0);
+      hashData.set(userKeySalt, password.length);
+      var key = calculatePDF20Hash(password, hashData, []);
+      var cipher = new AES256Cipher(key);
+      return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));
+    }
+  };
+  return PDF20;
+}();
+
+exports.PDF20 = PDF20;
+
+var CipherTransform = function CipherTransformClosure() {
+  function CipherTransform(stringCipherConstructor, streamCipherConstructor) {
+    this.StringCipherConstructor = stringCipherConstructor;
+    this.StreamCipherConstructor = streamCipherConstructor;
+  }
+
+  CipherTransform.prototype = {
+    createStream: function CipherTransform_createStream(stream, length) {
+      var cipher = new this.StreamCipherConstructor();
+      return new _stream.DecryptStream(stream, length, function cipherTransformDecryptStream(data, finalize) {
+        return cipher.decryptBlock(data, finalize);
+      });
+    },
+    decryptString: function CipherTransform_decryptString(s) {
+      var cipher = new this.StringCipherConstructor();
+      var data = (0, _util.stringToBytes)(s);
+      data = cipher.decryptBlock(data, true);
+      return (0, _util.bytesToString)(data);
+    },
+    encryptString: function CipherTransform_encryptString(s) {
+      const cipher = new this.StringCipherConstructor();
+
+      if (cipher instanceof AESBaseCipher) {
+        const strLen = s.length;
+        const pad = 16 - strLen % 16;
+
+        if (pad !== 16) {
+          s = s.padEnd(16 * Math.ceil(strLen / 16), String.fromCharCode(pad));
+        }
+
+        const iv = new Uint8Array(16);
+
+        if (typeof crypto !== "undefined") {
+          crypto.getRandomValues(iv);
+        } else {
+          for (let i = 0; i < 16; i++) {
+            iv[i] = Math.floor(256 * Math.random());
+          }
+        }
+
+        let data = (0, _util.stringToBytes)(s);
+        data = cipher.encrypt(data, iv);
+        const buf = new Uint8Array(16 + data.length);
+        buf.set(iv);
+        buf.set(data, 16);
+        return (0, _util.bytesToString)(buf);
+      }
+
+      let data = (0, _util.stringToBytes)(s);
+      data = cipher.encrypt(data);
+      return (0, _util.bytesToString)(data);
+    }
+  };
+  return CipherTransform;
+}();
+
+var CipherTransformFactory = function CipherTransformFactoryClosure() {
+  var defaultPasswordBytes = new Uint8Array([0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
+
+  function createEncryptionKey20(revision, password, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms) {
+    if (password) {
+      var passwordLength = Math.min(127, password.length);
+      password = password.subarray(0, passwordLength);
+    } else {
+      password = [];
+    }
+
+    var pdfAlgorithm;
+
+    if (revision === 6) {
+      pdfAlgorithm = new PDF20();
+    } else {
+      pdfAlgorithm = new PDF17();
+    }
+
+    if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)) {
+      return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);
+    } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, uBytes, ownerPassword)) {
+      return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);
+    }
+
+    return null;
+  }
+
+  function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata) {
+    var hashDataSize = 40 + ownerPassword.length + fileId.length;
+    var hashData = new Uint8Array(hashDataSize),
+        i = 0,
+        j,
+        n;
+
+    if (password) {
+      n = Math.min(32, password.length);
+
+      for (; i < n; ++i) {
+        hashData[i] = password[i];
+      }
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    for (j = 0, n = ownerPassword.length; j < n; ++j) {
+      hashData[i++] = ownerPassword[j];
+    }
+
+    hashData[i++] = flags & 0xff;
+    hashData[i++] = flags >> 8 & 0xff;
+    hashData[i++] = flags >> 16 & 0xff;
+    hashData[i++] = flags >>> 24 & 0xff;
+
+    for (j = 0, n = fileId.length; j < n; ++j) {
+      hashData[i++] = fileId[j];
+    }
+
+    if (revision >= 4 && !encryptMetadata) {
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+      hashData[i++] = 0xff;
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, keyLengthInBytes);
+      }
+    }
+
+    var encryptionKey = hash.subarray(0, keyLengthInBytes);
+    var cipher, checkData;
+
+    if (revision >= 3) {
+      for (i = 0; i < 32; ++i) {
+        hashData[i] = defaultPasswordBytes[i];
+      }
+
+      for (j = 0, n = fileId.length; j < n; ++j) {
+        hashData[i++] = fileId[j];
+      }
+
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));
+      n = encryptionKey.length;
+      var derivedKey = new Uint8Array(n),
+          k;
+
+      for (j = 1; j <= 19; ++j) {
+        for (k = 0; k < n; ++k) {
+          derivedKey[k] = encryptionKey[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        checkData = cipher.encryptBlock(checkData);
+      }
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    } else {
+      cipher = new ARCFourCipher(encryptionKey);
+      checkData = cipher.encryptBlock(defaultPasswordBytes);
+
+      for (j = 0, n = checkData.length; j < n; ++j) {
+        if (userPassword[j] !== checkData[j]) {
+          return null;
+        }
+      }
+    }
+
+    return encryptionKey;
+  }
+
+  function decodeUserPassword(password, ownerPassword, revision, keyLength) {
+    var hashData = new Uint8Array(32),
+        i = 0,
+        j,
+        n;
+    n = Math.min(32, password.length);
+
+    for (; i < n; ++i) {
+      hashData[i] = password[i];
+    }
+
+    j = 0;
+
+    while (i < 32) {
+      hashData[i++] = defaultPasswordBytes[j++];
+    }
+
+    var hash = calculateMD5(hashData, 0, i);
+    var keyLengthInBytes = keyLength >> 3;
+
+    if (revision >= 3) {
+      for (j = 0; j < 50; ++j) {
+        hash = calculateMD5(hash, 0, hash.length);
+      }
+    }
+
+    var cipher, userPassword;
+
+    if (revision >= 3) {
+      userPassword = ownerPassword;
+      var derivedKey = new Uint8Array(keyLengthInBytes),
+          k;
+
+      for (j = 19; j >= 0; j--) {
+        for (k = 0; k < keyLengthInBytes; ++k) {
+          derivedKey[k] = hash[k] ^ j;
+        }
+
+        cipher = new ARCFourCipher(derivedKey);
+        userPassword = cipher.encryptBlock(userPassword);
+      }
+    } else {
+      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));
+      userPassword = cipher.encryptBlock(ownerPassword);
+    }
+
+    return userPassword;
+  }
+
+  var identityName = _primitives.Name.get("Identity");
+
+  function CipherTransformFactory(dict, fileId, password) {
+    var filter = dict.get("Filter");
+
+    if (!(0, _primitives.isName)(filter, "Standard")) {
+      throw new _util.FormatError("unknown encryption method");
+    }
+
+    this.dict = dict;
+    var algorithm = dict.get("V");
+
+    if (!Number.isInteger(algorithm) || algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5) {
+      throw new _util.FormatError("unsupported encryption algorithm");
+    }
+
+    this.algorithm = algorithm;
+    var keyLength = dict.get("Length");
+
+    if (!keyLength) {
+      if (algorithm <= 3) {
+        keyLength = 40;
+      } else {
+        var cfDict = dict.get("CF");
+        var streamCryptoName = dict.get("StmF");
+
+        if ((0, _primitives.isDict)(cfDict) && (0, _primitives.isName)(streamCryptoName)) {
+          cfDict.suppressEncryption = true;
+          var handlerDict = cfDict.get(streamCryptoName.name);
+          keyLength = handlerDict && handlerDict.get("Length") || 128;
+
+          if (keyLength < 40) {
+            keyLength <<= 3;
+          }
+        }
+      }
+    }
+
+    if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {
+      throw new _util.FormatError("invalid key length");
+    }
+
+    var ownerPassword = (0, _util.stringToBytes)(dict.get("O")).subarray(0, 32);
+    var userPassword = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 32);
+    var flags = dict.get("P");
+    var revision = dict.get("R");
+    var encryptMetadata = (algorithm === 4 || algorithm === 5) && dict.get("EncryptMetadata") !== false;
+    this.encryptMetadata = encryptMetadata;
+    var fileIdBytes = (0, _util.stringToBytes)(fileId);
+    var passwordBytes;
+
+    if (password) {
+      if (revision === 6) {
+        try {
+          password = (0, _util.utf8StringToString)(password);
+        } catch (ex) {
+          (0, _util.warn)("CipherTransformFactory: " + "Unable to convert UTF8 encoded password.");
+        }
+      }
+
+      passwordBytes = (0, _util.stringToBytes)(password);
+    }
+
+    var encryptionKey;
+
+    if (algorithm !== 5) {
+      encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    } else {
+      var ownerValidationSalt = (0, _util.stringToBytes)(dict.get("O")).subarray(32, 40);
+      var ownerKeySalt = (0, _util.stringToBytes)(dict.get("O")).subarray(40, 48);
+      var uBytes = (0, _util.stringToBytes)(dict.get("U")).subarray(0, 48);
+      var userValidationSalt = (0, _util.stringToBytes)(dict.get("U")).subarray(32, 40);
+      var userKeySalt = (0, _util.stringToBytes)(dict.get("U")).subarray(40, 48);
+      var ownerEncryption = (0, _util.stringToBytes)(dict.get("OE"));
+      var userEncryption = (0, _util.stringToBytes)(dict.get("UE"));
+      var perms = (0, _util.stringToBytes)(dict.get("Perms"));
+      encryptionKey = createEncryptionKey20(revision, passwordBytes, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms);
+    }
+
+    if (!encryptionKey && !password) {
+      throw new _util.PasswordException("No password given", _util.PasswordResponses.NEED_PASSWORD);
+    } else if (!encryptionKey && password) {
+      var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, revision, keyLength);
+      encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);
+    }
+
+    if (!encryptionKey) {
+      throw new _util.PasswordException("Incorrect Password", _util.PasswordResponses.INCORRECT_PASSWORD);
+    }
+
+    this.encryptionKey = encryptionKey;
+
+    if (algorithm >= 4) {
+      var cf = dict.get("CF");
+
+      if ((0, _primitives.isDict)(cf)) {
+        cf.suppressEncryption = true;
+      }
+
+      this.cf = cf;
+      this.stmf = dict.get("StmF") || identityName;
+      this.strf = dict.get("StrF") || identityName;
+      this.eff = dict.get("EFF") || this.stmf;
+    }
+  }
+
+  function buildObjectKey(num, gen, encryptionKey, isAes) {
+    var key = new Uint8Array(encryptionKey.length + 9),
+        i,
+        n;
+
+    for (i = 0, n = encryptionKey.length; i < n; ++i) {
+      key[i] = encryptionKey[i];
+    }
+
+    key[i++] = num & 0xff;
+    key[i++] = num >> 8 & 0xff;
+    key[i++] = num >> 16 & 0xff;
+    key[i++] = gen & 0xff;
+    key[i++] = gen >> 8 & 0xff;
+
+    if (isAes) {
+      key[i++] = 0x73;
+      key[i++] = 0x41;
+      key[i++] = 0x6c;
+      key[i++] = 0x54;
+    }
+
+    var hash = calculateMD5(key, 0, i);
+    return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));
+  }
+
+  function buildCipherConstructor(cf, name, num, gen, key) {
+    if (!(0, _primitives.isName)(name)) {
+      throw new _util.FormatError("Invalid crypt filter name.");
+    }
+
+    var cryptFilter = cf.get(name.name);
+    var cfm;
+
+    if (cryptFilter !== null && cryptFilter !== undefined) {
+      cfm = cryptFilter.get("CFM");
+    }
+
+    if (!cfm || cfm.name === "None") {
+      return function cipherTransformFactoryBuildCipherConstructorNone() {
+        return new NullCipher();
+      };
+    }
+
+    if (cfm.name === "V2") {
+      return function cipherTransformFactoryBuildCipherConstructorV2() {
+        return new ARCFourCipher(buildObjectKey(num, gen, key, false));
+      };
+    }
+
+    if (cfm.name === "AESV2") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV2() {
+        return new AES128Cipher(buildObjectKey(num, gen, key, true));
+      };
+    }
+
+    if (cfm.name === "AESV3") {
+      return function cipherTransformFactoryBuildCipherConstructorAESV3() {
+        return new AES256Cipher(key);
+      };
+    }
+
+    throw new _util.FormatError("Unknown crypto method");
+  }
+
+  CipherTransformFactory.prototype = {
+    createCipherTransform: function CipherTransformFactory_createCipherTransform(num, gen) {
+      if (this.algorithm === 4 || this.algorithm === 5) {
+        return new CipherTransform(buildCipherConstructor(this.cf, this.stmf, num, gen, this.encryptionKey), buildCipherConstructor(this.cf, this.strf, num, gen, this.encryptionKey));
+      }
+
+      var key = buildObjectKey(num, gen, this.encryptionKey, false);
+
+      var cipherConstructor = function buildCipherCipherConstructor() {
+        return new ARCFourCipher(key);
+      };
+
+      return new CipherTransform(cipherConstructor, cipherConstructor);
+    }
+  };
+  return CipherTransformFactory;
+}();
+
+exports.CipherTransformFactory = CipherTransformFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/document.js b/node_modules/pdfjs-dist/lib/core/document.js
new file mode 100644
index 00000000..83f36f75
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/document.js
@@ -0,0 +1,817 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDocument = exports.Page = void 0;
+
+var _util = require("../shared/util.js");
+
+var _obj = require("./obj.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _stream = require("./stream.js");
+
+var _annotation = require("./annotation.js");
+
+var _crypto = require("./crypto.js");
+
+var _parser = require("./parser.js");
+
+var _operator_list = require("./operator_list.js");
+
+var _evaluator = require("./evaluator.js");
+
+const DEFAULT_USER_UNIT = 1.0;
+const LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];
+
+function isAnnotationRenderable(annotation, intent) {
+  return intent === "display" && annotation.viewable || intent === "print" && annotation.printable;
+}
+
+class Page {
+  constructor({
+    pdfManager,
+    xref,
+    pageIndex,
+    pageDict,
+    ref,
+    globalIdFactory,
+    fontCache,
+    builtInCMapCache,
+    globalImageCache
+  }) {
+    this.pdfManager = pdfManager;
+    this.pageIndex = pageIndex;
+    this.pageDict = pageDict;
+    this.xref = xref;
+    this.ref = ref;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.evaluatorOptions = pdfManager.evaluatorOptions;
+    this.resourcesPromise = null;
+    const idCounters = {
+      obj: 0
+    };
+    this._localIdFactory = class extends globalIdFactory {
+      static createObjId() {
+        return `p${pageIndex}_${++idCounters.obj}`;
+      }
+
+    };
+  }
+
+  _getInheritableProperty(key, getArray = false) {
+    const value = (0, _core_utils.getInheritableProperty)({
+      dict: this.pageDict,
+      key,
+      getArray,
+      stopWhenFound: false
+    });
+
+    if (!Array.isArray(value)) {
+      return value;
+    }
+
+    if (value.length === 1 || !(0, _primitives.isDict)(value[0])) {
+      return value[0];
+    }
+
+    return _primitives.Dict.merge({
+      xref: this.xref,
+      dictArray: value
+    });
+  }
+
+  get content() {
+    return this.pageDict.get("Contents");
+  }
+
+  get resources() {
+    return (0, _util.shadow)(this, "resources", this._getInheritableProperty("Resources") || _primitives.Dict.empty);
+  }
+
+  _getBoundingBox(name) {
+    const box = this._getInheritableProperty(name, true);
+
+    if (Array.isArray(box) && box.length === 4) {
+      if (box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+        return box;
+      }
+
+      (0, _util.warn)(`Empty /${name} entry.`);
+    }
+
+    return null;
+  }
+
+  get mediaBox() {
+    return (0, _util.shadow)(this, "mediaBox", this._getBoundingBox("MediaBox") || LETTER_SIZE_MEDIABOX);
+  }
+
+  get cropBox() {
+    return (0, _util.shadow)(this, "cropBox", this._getBoundingBox("CropBox") || this.mediaBox);
+  }
+
+  get userUnit() {
+    let obj = this.pageDict.get("UserUnit");
+
+    if (!(0, _util.isNum)(obj) || obj <= 0) {
+      obj = DEFAULT_USER_UNIT;
+    }
+
+    return (0, _util.shadow)(this, "userUnit", obj);
+  }
+
+  get view() {
+    const {
+      cropBox,
+      mediaBox
+    } = this;
+    let view;
+
+    if (cropBox === mediaBox || (0, _util.isArrayEqual)(cropBox, mediaBox)) {
+      view = mediaBox;
+    } else {
+      const box = _util.Util.intersect(cropBox, mediaBox);
+
+      if (box && box[2] - box[0] !== 0 && box[3] - box[1] !== 0) {
+        view = box;
+      } else {
+        (0, _util.warn)("Empty /CropBox and /MediaBox intersection.");
+      }
+    }
+
+    return (0, _util.shadow)(this, "view", view || mediaBox);
+  }
+
+  get rotate() {
+    let rotate = this._getInheritableProperty("Rotate") || 0;
+
+    if (rotate % 90 !== 0) {
+      rotate = 0;
+    } else if (rotate >= 360) {
+      rotate = rotate % 360;
+    } else if (rotate < 0) {
+      rotate = (rotate % 360 + 360) % 360;
+    }
+
+    return (0, _util.shadow)(this, "rotate", rotate);
+  }
+
+  getContentStream() {
+    const content = this.content;
+    let stream;
+
+    if (Array.isArray(content)) {
+      const xref = this.xref;
+      const streams = [];
+
+      for (const subStream of content) {
+        streams.push(xref.fetchIfRef(subStream));
+      }
+
+      stream = new _stream.StreamsSequenceStream(streams);
+    } else if ((0, _primitives.isStream)(content)) {
+      stream = content;
+    } else {
+      stream = new _stream.NullStream();
+    }
+
+    return stream;
+  }
+
+  save(handler, task, annotationStorage) {
+    const partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: this.xref,
+      handler,
+      pageIndex: this.pageIndex,
+      idFactory: this._localIdFactory,
+      fontCache: this.fontCache,
+      builtInCMapCache: this.builtInCMapCache,
+      globalImageCache: this.globalImageCache,
+      options: this.evaluatorOptions
+    });
+    return this._parsedAnnotations.then(function (annotations) {
+      const newRefsPromises = [];
+
+      for (const annotation of annotations) {
+        if (!isAnnotationRenderable(annotation, "print")) {
+          continue;
+        }
+
+        newRefsPromises.push(annotation.save(partialEvaluator, task, annotationStorage).catch(function (reason) {
+          (0, _util.warn)("save - ignoring annotation data during " + `"${task.name}" task: "${reason}".`);
+          return null;
+        }));
+      }
+
+      return Promise.all(newRefsPromises);
+    });
+  }
+
+  loadResources(keys) {
+    if (!this.resourcesPromise) {
+      this.resourcesPromise = this.pdfManager.ensure(this, "resources");
+    }
+
+    return this.resourcesPromise.then(() => {
+      const objectLoader = new _obj.ObjectLoader(this.resources, keys, this.xref);
+      return objectLoader.load();
+    });
+  }
+
+  getOperatorList({
+    handler,
+    sink,
+    task,
+    intent,
+    renderInteractiveForms,
+    annotationStorage
+  }) {
+    const contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+    const resourcesPromise = this.loadResources(["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"]);
+    const partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: this.xref,
+      handler,
+      pageIndex: this.pageIndex,
+      idFactory: this._localIdFactory,
+      fontCache: this.fontCache,
+      builtInCMapCache: this.builtInCMapCache,
+      globalImageCache: this.globalImageCache,
+      options: this.evaluatorOptions
+    });
+    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+    const pageListPromise = dataPromises.then(([contentStream]) => {
+      const opList = new _operator_list.OperatorList(intent, sink);
+      handler.send("StartRenderPage", {
+        transparency: partialEvaluator.hasBlendModes(this.resources),
+        pageIndex: this.pageIndex,
+        intent
+      });
+      return partialEvaluator.getOperatorList({
+        stream: contentStream,
+        task,
+        resources: this.resources,
+        operatorList: opList
+      }).then(function () {
+        return opList;
+      });
+    });
+    return Promise.all([pageListPromise, this._parsedAnnotations]).then(function ([pageOpList, annotations]) {
+      if (annotations.length === 0) {
+        pageOpList.flush(true);
+        return {
+          length: pageOpList.totalLength
+        };
+      }
+
+      const opListPromises = [];
+
+      for (const annotation of annotations) {
+        if (isAnnotationRenderable(annotation, intent)) {
+          opListPromises.push(annotation.getOperatorList(partialEvaluator, task, renderInteractiveForms, annotationStorage).catch(function (reason) {
+            (0, _util.warn)("getOperatorList - ignoring annotation data during " + `"${task.name}" task: "${reason}".`);
+            return null;
+          }));
+        }
+      }
+
+      return Promise.all(opListPromises).then(function (opLists) {
+        pageOpList.addOp(_util.OPS.beginAnnotations, []);
+
+        for (const opList of opLists) {
+          pageOpList.addOpList(opList);
+        }
+
+        pageOpList.addOp(_util.OPS.endAnnotations, []);
+        pageOpList.flush(true);
+        return {
+          length: pageOpList.totalLength
+        };
+      });
+    });
+  }
+
+  extractTextContent({
+    handler,
+    task,
+    normalizeWhitespace,
+    sink,
+    combineTextItems
+  }) {
+    const contentStreamPromise = this.pdfManager.ensure(this, "getContentStream");
+    const resourcesPromise = this.loadResources(["ExtGState", "XObject", "Font"]);
+    const dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
+    return dataPromises.then(([contentStream]) => {
+      const partialEvaluator = new _evaluator.PartialEvaluator({
+        xref: this.xref,
+        handler,
+        pageIndex: this.pageIndex,
+        idFactory: this._localIdFactory,
+        fontCache: this.fontCache,
+        builtInCMapCache: this.builtInCMapCache,
+        globalImageCache: this.globalImageCache,
+        options: this.evaluatorOptions
+      });
+      return partialEvaluator.getTextContent({
+        stream: contentStream,
+        task,
+        resources: this.resources,
+        normalizeWhitespace,
+        combineTextItems,
+        sink
+      });
+    });
+  }
+
+  getAnnotationsData(intent) {
+    return this._parsedAnnotations.then(function (annotations) {
+      const annotationsData = [];
+
+      for (let i = 0, ii = annotations.length; i < ii; i++) {
+        if (!intent || isAnnotationRenderable(annotations[i], intent)) {
+          annotationsData.push(annotations[i].data);
+        }
+      }
+
+      return annotationsData;
+    });
+  }
+
+  get annotations() {
+    return (0, _util.shadow)(this, "annotations", this._getInheritableProperty("Annots") || []);
+  }
+
+  get _parsedAnnotations() {
+    const parsedAnnotations = this.pdfManager.ensure(this, "annotations").then(() => {
+      const annotationPromises = [];
+
+      for (const annotationRef of this.annotations) {
+        annotationPromises.push(_annotation.AnnotationFactory.create(this.xref, annotationRef, this.pdfManager, this._localIdFactory).catch(function (reason) {
+          (0, _util.warn)(`_parsedAnnotations: "${reason}".`);
+          return null;
+        }));
+      }
+
+      return Promise.all(annotationPromises).then(function (annotations) {
+        return annotations.filter(annotation => !!annotation);
+      });
+    });
+    return (0, _util.shadow)(this, "_parsedAnnotations", parsedAnnotations);
+  }
+
+}
+
+exports.Page = Page;
+const PDF_HEADER_SIGNATURE = new Uint8Array([0x25, 0x50, 0x44, 0x46, 0x2d]);
+const STARTXREF_SIGNATURE = new Uint8Array([0x73, 0x74, 0x61, 0x72, 0x74, 0x78, 0x72, 0x65, 0x66]);
+const ENDOBJ_SIGNATURE = new Uint8Array([0x65, 0x6e, 0x64, 0x6f, 0x62, 0x6a]);
+const FINGERPRINT_FIRST_BYTES = 1024;
+const EMPTY_FINGERPRINT = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
+const PDF_HEADER_VERSION_REGEXP = /^[1-9]\.[0-9]$/;
+
+function find(stream, signature, limit = 1024, backwards = false) {
+  const signatureLength = signature.length;
+  const scanBytes = stream.peekBytes(limit);
+  const scanLength = scanBytes.length - signatureLength;
+
+  if (scanLength <= 0) {
+    return false;
+  }
+
+  if (backwards) {
+    const signatureEnd = signatureLength - 1;
+    let pos = scanBytes.length - 1;
+
+    while (pos >= signatureEnd) {
+      let j = 0;
+
+      while (j < signatureLength && scanBytes[pos - j] === signature[signatureEnd - j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        stream.pos += pos - signatureEnd;
+        return true;
+      }
+
+      pos--;
+    }
+  } else {
+    let pos = 0;
+
+    while (pos <= scanLength) {
+      let j = 0;
+
+      while (j < signatureLength && scanBytes[pos + j] === signature[j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        stream.pos += pos;
+        return true;
+      }
+
+      pos++;
+    }
+  }
+
+  return false;
+}
+
+class PDFDocument {
+  constructor(pdfManager, arg) {
+    let stream;
+
+    if ((0, _primitives.isStream)(arg)) {
+      stream = arg;
+    } else if ((0, _util.isArrayBuffer)(arg)) {
+      stream = new _stream.Stream(arg);
+    } else {
+      throw new Error("PDFDocument: Unknown argument type");
+    }
+
+    if (stream.length <= 0) {
+      throw new _util.InvalidPDFException("The PDF file is empty, i.e. its size is zero bytes.");
+    }
+
+    this.pdfManager = pdfManager;
+    this.stream = stream;
+    this.xref = new _obj.XRef(stream, pdfManager);
+    this._pagePromises = [];
+    this._version = null;
+    const idCounters = {
+      font: 0
+    };
+    this._globalIdFactory = class {
+      static getDocId() {
+        return `g_${pdfManager.docId}`;
+      }
+
+      static createFontId() {
+        return `f${++idCounters.font}`;
+      }
+
+      static createObjId() {
+        (0, _util.unreachable)("Abstract method `createObjId` called.");
+      }
+
+    };
+  }
+
+  parse(recoveryMode) {
+    this.xref.parse(recoveryMode);
+    this.catalog = new _obj.Catalog(this.pdfManager, this.xref);
+
+    if (this.catalog.version) {
+      this._version = this.catalog.version;
+    }
+  }
+
+  get linearization() {
+    let linearization = null;
+
+    try {
+      linearization = _parser.Linearization.create(this.stream);
+    } catch (err) {
+      if (err instanceof _core_utils.MissingDataException) {
+        throw err;
+      }
+
+      (0, _util.info)(err);
+    }
+
+    return (0, _util.shadow)(this, "linearization", linearization);
+  }
+
+  get startXRef() {
+    const stream = this.stream;
+    let startXRef = 0;
+
+    if (this.linearization) {
+      stream.reset();
+
+      if (find(stream, ENDOBJ_SIGNATURE)) {
+        startXRef = stream.pos + 6 - stream.start;
+      }
+    } else {
+      const step = 1024;
+      const startXRefLength = STARTXREF_SIGNATURE.length;
+      let found = false,
+          pos = stream.end;
+
+      while (!found && pos > 0) {
+        pos -= step - startXRefLength;
+
+        if (pos < 0) {
+          pos = 0;
+        }
+
+        stream.pos = pos;
+        found = find(stream, STARTXREF_SIGNATURE, step, true);
+      }
+
+      if (found) {
+        stream.skip(9);
+        let ch;
+
+        do {
+          ch = stream.getByte();
+        } while ((0, _core_utils.isWhiteSpace)(ch));
+
+        let str = "";
+
+        while (ch >= 0x20 && ch <= 0x39) {
+          str += String.fromCharCode(ch);
+          ch = stream.getByte();
+        }
+
+        startXRef = parseInt(str, 10);
+
+        if (isNaN(startXRef)) {
+          startXRef = 0;
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "startXRef", startXRef);
+  }
+
+  checkHeader() {
+    const stream = this.stream;
+    stream.reset();
+
+    if (!find(stream, PDF_HEADER_SIGNATURE)) {
+      return;
+    }
+
+    stream.moveStart();
+    const MAX_PDF_VERSION_LENGTH = 12;
+    let version = "",
+        ch;
+
+    while ((ch = stream.getByte()) > 0x20) {
+      if (version.length >= MAX_PDF_VERSION_LENGTH) {
+        break;
+      }
+
+      version += String.fromCharCode(ch);
+    }
+
+    if (!this._version) {
+      this._version = version.substring(5);
+    }
+  }
+
+  parseStartXRef() {
+    this.xref.setStartXRef(this.startXRef);
+  }
+
+  get numPages() {
+    const linearization = this.linearization;
+    const num = linearization ? linearization.numPages : this.catalog.numPages;
+    return (0, _util.shadow)(this, "numPages", num);
+  }
+
+  _hasOnlyDocumentSignatures(fields, recursionDepth = 0) {
+    const RECURSION_LIMIT = 10;
+    return fields.every(field => {
+      field = this.xref.fetchIfRef(field);
+
+      if (field.has("Kids")) {
+        if (++recursionDepth > RECURSION_LIMIT) {
+          (0, _util.warn)("_hasOnlyDocumentSignatures: maximum recursion depth reached");
+          return false;
+        }
+
+        return this._hasOnlyDocumentSignatures(field.get("Kids"), recursionDepth);
+      }
+
+      const isSignature = (0, _primitives.isName)(field.get("FT"), "Sig");
+      const rectangle = field.get("Rect");
+      const isInvisible = Array.isArray(rectangle) && rectangle.every(value => value === 0);
+      return isSignature && isInvisible;
+    });
+  }
+
+  get formInfo() {
+    const formInfo = {
+      hasAcroForm: false,
+      hasXfa: false
+    };
+    const acroForm = this.catalog.acroForm;
+
+    if (!acroForm) {
+      return (0, _util.shadow)(this, "formInfo", formInfo);
+    }
+
+    try {
+      const xfa = acroForm.get("XFA");
+      const hasXfa = Array.isArray(xfa) && xfa.length > 0 || (0, _primitives.isStream)(xfa) && !xfa.isEmpty;
+      formInfo.hasXfa = hasXfa;
+      const fields = acroForm.get("Fields");
+      const hasFields = Array.isArray(fields) && fields.length > 0;
+      const sigFlags = acroForm.get("SigFlags");
+
+      const hasOnlyDocumentSignatures = !!(sigFlags & 0x1) && this._hasOnlyDocumentSignatures(fields);
+
+      formInfo.hasAcroForm = hasFields && !hasOnlyDocumentSignatures;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch form information.");
+    }
+
+    return (0, _util.shadow)(this, "formInfo", formInfo);
+  }
+
+  get documentInfo() {
+    const DocumentInfoValidators = {
+      Title: _util.isString,
+      Author: _util.isString,
+      Subject: _util.isString,
+      Keywords: _util.isString,
+      Creator: _util.isString,
+      Producer: _util.isString,
+      CreationDate: _util.isString,
+      ModDate: _util.isString,
+      Trapped: _primitives.isName
+    };
+    let version = this._version;
+
+    if (typeof version !== "string" || !PDF_HEADER_VERSION_REGEXP.test(version)) {
+      (0, _util.warn)(`Invalid PDF header version number: ${version}`);
+      version = null;
+    }
+
+    const docInfo = {
+      PDFFormatVersion: version,
+      IsLinearized: !!this.linearization,
+      IsAcroFormPresent: this.formInfo.hasAcroForm,
+      IsXFAPresent: this.formInfo.hasXfa,
+      IsCollectionPresent: !!this.catalog.collection
+    };
+    let infoDict;
+
+    try {
+      infoDict = this.xref.trailer.get("Info");
+    } catch (err) {
+      if (err instanceof _core_utils.MissingDataException) {
+        throw err;
+      }
+
+      (0, _util.info)("The document information dictionary is invalid.");
+    }
+
+    if ((0, _primitives.isDict)(infoDict)) {
+      for (const key of infoDict.getKeys()) {
+        const value = infoDict.get(key);
+
+        if (DocumentInfoValidators[key]) {
+          if (DocumentInfoValidators[key](value)) {
+            docInfo[key] = typeof value !== "string" ? value : (0, _util.stringToPDFString)(value);
+          } else {
+            (0, _util.info)(`Bad value in document info for "${key}".`);
+          }
+        } else if (typeof key === "string") {
+          let customValue;
+
+          if ((0, _util.isString)(value)) {
+            customValue = (0, _util.stringToPDFString)(value);
+          } else if ((0, _primitives.isName)(value) || (0, _util.isNum)(value) || (0, _util.isBool)(value)) {
+            customValue = value;
+          } else {
+            (0, _util.info)(`Unsupported value in document info for (custom) "${key}".`);
+            continue;
+          }
+
+          if (!docInfo.Custom) {
+            docInfo.Custom = Object.create(null);
+          }
+
+          docInfo.Custom[key] = customValue;
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "documentInfo", docInfo);
+  }
+
+  get fingerprint() {
+    let hash;
+    const idArray = this.xref.trailer.get("ID");
+
+    if (Array.isArray(idArray) && idArray[0] && (0, _util.isString)(idArray[0]) && idArray[0] !== EMPTY_FINGERPRINT) {
+      hash = (0, _util.stringToBytes)(idArray[0]);
+    } else {
+      hash = (0, _crypto.calculateMD5)(this.stream.getByteRange(0, FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES);
+    }
+
+    const fingerprintBuf = [];
+
+    for (let i = 0, ii = hash.length; i < ii; i++) {
+      const hex = hash[i].toString(16);
+      fingerprintBuf.push(hex.padStart(2, "0"));
+    }
+
+    return (0, _util.shadow)(this, "fingerprint", fingerprintBuf.join(""));
+  }
+
+  _getLinearizationPage(pageIndex) {
+    const {
+      catalog,
+      linearization
+    } = this;
+
+    const ref = _primitives.Ref.get(linearization.objectNumberFirst, 0);
+
+    return this.xref.fetchAsync(ref).then(obj => {
+      if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Type") && obj.has("Contents")) {
+        if (ref && !catalog.pageKidsCountCache.has(ref)) {
+          catalog.pageKidsCountCache.put(ref, 1);
+        }
+
+        return [obj, ref];
+      }
+
+      throw new _util.FormatError("The Linearization dictionary doesn't point " + "to a valid Page dictionary.");
+    }).catch(reason => {
+      (0, _util.info)(reason);
+      return catalog.getPageDict(pageIndex);
+    });
+  }
+
+  getPage(pageIndex) {
+    if (this._pagePromises[pageIndex] !== undefined) {
+      return this._pagePromises[pageIndex];
+    }
+
+    const {
+      catalog,
+      linearization
+    } = this;
+    const promise = linearization && linearization.pageFirst === pageIndex ? this._getLinearizationPage(pageIndex) : catalog.getPageDict(pageIndex);
+    return this._pagePromises[pageIndex] = promise.then(([pageDict, ref]) => {
+      return new Page({
+        pdfManager: this.pdfManager,
+        xref: this.xref,
+        pageIndex,
+        pageDict,
+        ref,
+        globalIdFactory: this._globalIdFactory,
+        fontCache: catalog.fontCache,
+        builtInCMapCache: catalog.builtInCMapCache,
+        globalImageCache: catalog.globalImageCache
+      });
+    });
+  }
+
+  checkFirstPage() {
+    return this.getPage(0).catch(async reason => {
+      if (reason instanceof _core_utils.XRefEntryException) {
+        this._pagePromises.length = 0;
+        await this.cleanup();
+        throw new _core_utils.XRefParseException();
+      }
+    });
+  }
+
+  fontFallback(id, handler) {
+    return this.catalog.fontFallback(id, handler);
+  }
+
+  async cleanup(manuallyTriggered = false) {
+    return this.catalog ? this.catalog.cleanup(manuallyTriggered) : (0, _primitives.clearPrimitiveCaches)();
+  }
+
+}
+
+exports.PDFDocument = PDFDocument;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/encodings.js b/node_modules/pdfjs-dist/lib/core/encodings.js
new file mode 100644
index 00000000..ff767d74
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/encodings.js
@@ -0,0 +1,69 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getEncoding = getEncoding;
+exports.ExpertEncoding = exports.ZapfDingbatsEncoding = exports.SymbolSetEncoding = exports.MacRomanEncoding = exports.StandardEncoding = exports.WinAnsiEncoding = void 0;
+const ExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "", "", "", "isuperior", "", "", "lsuperior", "msuperior", "nsuperior", "osuperior", "", "", "rsuperior", "ssuperior", "tsuperior", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdownsmall", "centoldstyle", "Lslashsmall", "", "", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "", "Dotaccentsmall", "", "", "Macronsmall", "", "", "figuredash", "hypheninferior", "", "", "Ogoneksmall", "Ringsmall", "Cedillasmall", "", "", "", "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall"];
+exports.ExpertEncoding = ExpertEncoding;
+const MacExpertEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclamsmall", "Hungarumlautsmall", "centoldstyle", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", "", "threequartersemdash", "", "questionsmall", "", "", "", "", "Ethsmall", "", "", "onequarter", "onehalf", "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "", "", "", "", "", "", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", "", "parenrightinferior", "Circumflexsmall", "hypheninferior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "", "", "asuperior", "centsuperior", "", "", "", "", "Aacutesmall", "Agravesmall", "Acircumflexsmall", "Adieresissmall", "Atildesmall", "Aringsmall", "Ccedillasmall", "Eacutesmall", "Egravesmall", "Ecircumflexsmall", "Edieresissmall", "Iacutesmall", "Igravesmall", "Icircumflexsmall", "Idieresissmall", "Ntildesmall", "Oacutesmall", "Ogravesmall", "Ocircumflexsmall", "Odieresissmall", "Otildesmall", "Uacutesmall", "Ugravesmall", "Ucircumflexsmall", "Udieresissmall", "", "eightsuperior", "fourinferior", "threeinferior", "sixinferior", "eightinferior", "seveninferior", "Scaronsmall", "", "centinferior", "twoinferior", "", "Dieresissmall", "", "Caronsmall", "osuperior", "fiveinferior", "", "commainferior", "periodinferior", "Yacutesmall", "", "dollarinferior", "", "", "Thornsmall", "", "nineinferior", "zeroinferior", "Zcaronsmall", "AEsmall", "Oslashsmall", "questiondownsmall", "oneinferior", "Lslashsmall", "", "", "", "", "", "", "Cedillasmall", "", "", "", "", "", "OEsmall", "figuredash", "hyphensuperior", "", "", "", "", "exclamdownsmall", "", "Ydieresissmall", "", "onesuperior", "twosuperior", "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "ninesuperior", "zerosuperior", "", "esuperior", "rsuperior", "tsuperior", "", "", "isuperior", "ssuperior", "dsuperior", "", "", "", "", "", "lsuperior", "Ogoneksmall", "Brevesmall", "Macronsmall", "bsuperior", "nsuperior", "msuperior", "commasuperior", "periodsuperior", "Dotaccentsmall", "Ringsmall", "", "", "", ""];
+const MacRomanEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "space", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron"];
+exports.MacRomanEncoding = MacRomanEncoding;
+const StandardEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "", "endash", "dagger", "daggerdbl", "periodcentered", "", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "", "questiondown", "", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "", "ring", "cedilla", "", "hungarumlaut", "ogonek", "caron", "emdash", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "AE", "", "ordfeminine", "", "", "", "", "Lslash", "Oslash", "OE", "ordmasculine", "", "", "", "", "", "ae", "", "", "", "dotlessi", "", "", "lslash", "oslash", "oe", "germandbls", "", "", "", ""];
+exports.StandardEncoding = StandardEncoding;
+const WinAnsiEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "bullet", "Euro", "bullet", "quotesinglbase", "florin", "quotedblbase", "ellipsis", "dagger", "daggerdbl", "circumflex", "perthousand", "Scaron", "guilsinglleft", "OE", "bullet", "Zcaron", "bullet", "bullet", "quoteleft", "quoteright", "quotedblleft", "quotedblright", "bullet", "endash", "emdash", "tilde", "trademark", "scaron", "guilsinglright", "oe", "bullet", "zcaron", "Ydieresis", "space", "exclamdown", "cent", "sterling", "currency", "yen", "brokenbar", "section", "dieresis", "copyright", "ordfeminine", "guillemotleft", "logicalnot", "hyphen", "registered", "macron", "degree", "plusminus", "twosuperior", "threesuperior", "acute", "mu", "paragraph", "periodcentered", "cedilla", "onesuperior", "ordmasculine", "guillemotright", "onequarter", "onehalf", "threequarters", "questiondown", "Agrave", "Aacute", "Acircumflex", "Atilde", "Adieresis", "Aring", "AE", "Ccedilla", "Egrave", "Eacute", "Ecircumflex", "Edieresis", "Igrave", "Iacute", "Icircumflex", "Idieresis", "Eth", "Ntilde", "Ograve", "Oacute", "Ocircumflex", "Otilde", "Odieresis", "multiply", "Oslash", "Ugrave", "Uacute", "Ucircumflex", "Udieresis", "Yacute", "Thorn", "germandbls", "agrave", "aacute", "acircumflex", "atilde", "adieresis", "aring", "ae", "ccedilla", "egrave", "eacute", "ecircumflex", "edieresis", "igrave", "iacute", "icircumflex", "idieresis", "eth", "ntilde", "ograve", "oacute", "ocircumflex", "otilde", "odieresis", "divide", "oslash", "ugrave", "uacute", "ucircumflex", "udieresis", "yacute", "thorn", "ydieresis"];
+exports.WinAnsiEncoding = WinAnsiEncoding;
+const SymbolSetEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "exclam", "universal", "numbersign", "existential", "percent", "ampersand", "suchthat", "parenleft", "parenright", "asteriskmath", "plus", "comma", "minus", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "congruent", "Alpha", "Beta", "Chi", "Delta", "Epsilon", "Phi", "Gamma", "Eta", "Iota", "theta1", "Kappa", "Lambda", "Mu", "Nu", "Omicron", "Pi", "Theta", "Rho", "Sigma", "Tau", "Upsilon", "sigma1", "Omega", "Xi", "Psi", "Zeta", "bracketleft", "therefore", "bracketright", "perpendicular", "underscore", "radicalex", "alpha", "beta", "chi", "delta", "epsilon", "phi", "gamma", "eta", "iota", "phi1", "kappa", "lambda", "mu", "nu", "omicron", "pi", "theta", "rho", "sigma", "tau", "upsilon", "omega1", "omega", "xi", "psi", "zeta", "braceleft", "bar", "braceright", "similar", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "Euro", "Upsilon1", "minute", "lessequal", "fraction", "infinity", "florin", "club", "diamond", "heart", "spade", "arrowboth", "arrowleft", "arrowup", "arrowright", "arrowdown", "degree", "plusminus", "second", "greaterequal", "multiply", "proportional", "partialdiff", "bullet", "divide", "notequal", "equivalence", "approxequal", "ellipsis", "arrowvertex", "arrowhorizex", "carriagereturn", "aleph", "Ifraktur", "Rfraktur", "weierstrass", "circlemultiply", "circleplus", "emptyset", "intersection", "union", "propersuperset", "reflexsuperset", "notsubset", "propersubset", "reflexsubset", "element", "notelement", "angle", "gradient", "registerserif", "copyrightserif", "trademarkserif", "product", "radical", "dotmath", "logicalnot", "logicaland", "logicalor", "arrowdblboth", "arrowdblleft", "arrowdblup", "arrowdblright", "arrowdbldown", "lozenge", "angleleft", "registersans", "copyrightsans", "trademarksans", "summation", "parenlefttp", "parenleftex", "parenleftbt", "bracketlefttp", "bracketleftex", "bracketleftbt", "bracelefttp", "braceleftmid", "braceleftbt", "braceex", "", "angleright", "integral", "integraltp", "integralex", "integralbt", "parenrighttp", "parenrightex", "parenrightbt", "bracketrighttp", "bracketrightex", "bracketrightbt", "bracerighttp", "bracerightmid", "bracerightbt", ""];
+exports.SymbolSetEncoding = SymbolSetEncoding;
+const ZapfDingbatsEncoding = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "space", "a1", "a2", "a202", "a3", "a4", "a5", "a119", "a118", "a117", "a11", "a12", "a13", "a14", "a15", "a16", "a105", "a17", "a18", "a19", "a20", "a21", "a22", "a23", "a24", "a25", "a26", "a27", "a28", "a6", "a7", "a8", "a9", "a10", "a29", "a30", "a31", "a32", "a33", "a34", "a35", "a36", "a37", "a38", "a39", "a40", "a41", "a42", "a43", "a44", "a45", "a46", "a47", "a48", "a49", "a50", "a51", "a52", "a53", "a54", "a55", "a56", "a57", "a58", "a59", "a60", "a61", "a62", "a63", "a64", "a65", "a66", "a67", "a68", "a69", "a70", "a71", "a72", "a73", "a74", "a203", "a75", "a204", "a76", "a77", "a78", "a79", "a81", "a82", "a83", "a84", "a97", "a98", "a99", "a100", "", "a89", "a90", "a93", "a94", "a91", "a92", "a205", "a85", "a206", "a86", "a87", "a88", "a95", "a96", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "a101", "a102", "a103", "a104", "a106", "a107", "a108", "a112", "a111", "a110", "a109", "a120", "a121", "a122", "a123", "a124", "a125", "a126", "a127", "a128", "a129", "a130", "a131", "a132", "a133", "a134", "a135", "a136", "a137", "a138", "a139", "a140", "a141", "a142", "a143", "a144", "a145", "a146", "a147", "a148", "a149", "a150", "a151", "a152", "a153", "a154", "a155", "a156", "a157", "a158", "a159", "a160", "a161", "a163", "a164", "a196", "a165", "a192", "a166", "a167", "a168", "a169", "a170", "a171", "a172", "a173", "a162", "a174", "a175", "a176", "a177", "a178", "a179", "a193", "a180", "a199", "a181", "a200", "a182", "", "a201", "a183", "a184", "a197", "a185", "a194", "a198", "a186", "a195", "a187", "a188", "a189", "a190", "a191", ""];
+exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding;
+
+function getEncoding(encodingName) {
+  switch (encodingName) {
+    case "WinAnsiEncoding":
+      return WinAnsiEncoding;
+
+    case "StandardEncoding":
+      return StandardEncoding;
+
+    case "MacRomanEncoding":
+      return MacRomanEncoding;
+
+    case "SymbolSetEncoding":
+      return SymbolSetEncoding;
+
+    case "ZapfDingbatsEncoding":
+      return ZapfDingbatsEncoding;
+
+    case "ExpertEncoding":
+      return ExpertEncoding;
+
+    case "MacExpertEncoding":
+      return MacExpertEncoding;
+
+    default:
+      return null;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/evaluator.js b/node_modules/pdfjs-dist/lib/core/evaluator.js
new file mode 100644
index 00000000..c7d00fff
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/evaluator.js
@@ -0,0 +1,3875 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PartialEvaluator = void 0;
+
+var _util = require("../shared/util.js");
+
+var _cmap = require("./cmap.js");
+
+var _primitives = require("./primitives.js");
+
+var _fonts = require("./fonts.js");
+
+var _encodings = require("./encodings.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _unicode = require("./unicode.js");
+
+var _standard_fonts = require("./standard_fonts.js");
+
+var _pattern = require("./pattern.js");
+
+var _function = require("./function.js");
+
+var _parser = require("./parser.js");
+
+var _image_utils = require("./image_utils.js");
+
+var _bidi = require("./bidi.js");
+
+var _colorspace = require("./colorspace.js");
+
+var _stream = require("./stream.js");
+
+var _glyphlist = require("./glyphlist.js");
+
+var _metrics = require("./metrics.js");
+
+var _murmurhash = require("./murmurhash3.js");
+
+var _operator_list = require("./operator_list.js");
+
+var _image = require("./image.js");
+
+const DefaultPartialEvaluatorOptions = Object.freeze({
+  maxImageSize: -1,
+  disableFontFace: false,
+  ignoreErrors: false,
+  isEvalSupported: true,
+  fontExtraProperties: false
+});
+const PatternType = {
+  TILING: 1,
+  SHADING: 2
+};
+const deferred = Promise.resolve();
+
+function normalizeBlendMode(value, parsingArray = false) {
+  if (Array.isArray(value)) {
+    for (let i = 0, ii = value.length; i < ii; i++) {
+      const maybeBM = normalizeBlendMode(value[i], true);
+
+      if (maybeBM) {
+        return maybeBM;
+      }
+    }
+
+    (0, _util.warn)(`Unsupported blend mode Array: ${value}`);
+    return "source-over";
+  }
+
+  if (!(0, _primitives.isName)(value)) {
+    if (parsingArray) {
+      return null;
+    }
+
+    return "source-over";
+  }
+
+  switch (value.name) {
+    case "Normal":
+    case "Compatible":
+      return "source-over";
+
+    case "Multiply":
+      return "multiply";
+
+    case "Screen":
+      return "screen";
+
+    case "Overlay":
+      return "overlay";
+
+    case "Darken":
+      return "darken";
+
+    case "Lighten":
+      return "lighten";
+
+    case "ColorDodge":
+      return "color-dodge";
+
+    case "ColorBurn":
+      return "color-burn";
+
+    case "HardLight":
+      return "hard-light";
+
+    case "SoftLight":
+      return "soft-light";
+
+    case "Difference":
+      return "difference";
+
+    case "Exclusion":
+      return "exclusion";
+
+    case "Hue":
+      return "hue";
+
+    case "Saturation":
+      return "saturation";
+
+    case "Color":
+      return "color";
+
+    case "Luminosity":
+      return "luminosity";
+  }
+
+  if (parsingArray) {
+    return null;
+  }
+
+  (0, _util.warn)(`Unsupported blend mode: ${value.name}`);
+  return "source-over";
+}
+
+class TimeSlotManager {
+  static get TIME_SLOT_DURATION_MS() {
+    return (0, _util.shadow)(this, "TIME_SLOT_DURATION_MS", 20);
+  }
+
+  static get CHECK_TIME_EVERY() {
+    return (0, _util.shadow)(this, "CHECK_TIME_EVERY", 100);
+  }
+
+  constructor() {
+    this.reset();
+  }
+
+  check() {
+    if (++this.checked < TimeSlotManager.CHECK_TIME_EVERY) {
+      return false;
+    }
+
+    this.checked = 0;
+    return this.endTime <= Date.now();
+  }
+
+  reset() {
+    this.endTime = Date.now() + TimeSlotManager.TIME_SLOT_DURATION_MS;
+    this.checked = 0;
+  }
+
+}
+
+class PartialEvaluator {
+  constructor({
+    xref,
+    handler,
+    pageIndex,
+    idFactory,
+    fontCache,
+    builtInCMapCache,
+    globalImageCache,
+    options = null
+  }) {
+    this.xref = xref;
+    this.handler = handler;
+    this.pageIndex = pageIndex;
+    this.idFactory = idFactory;
+    this.fontCache = fontCache;
+    this.builtInCMapCache = builtInCMapCache;
+    this.globalImageCache = globalImageCache;
+    this.options = options || DefaultPartialEvaluatorOptions;
+    this.parsingType3Font = false;
+    this._fetchBuiltInCMapBound = this.fetchBuiltInCMap.bind(this);
+  }
+
+  get _pdfFunctionFactory() {
+    const pdfFunctionFactory = new _function.PDFFunctionFactory({
+      xref: this.xref,
+      isEvalSupported: this.options.isEvalSupported
+    });
+    return (0, _util.shadow)(this, "_pdfFunctionFactory", pdfFunctionFactory);
+  }
+
+  clone(newOptions = DefaultPartialEvaluatorOptions) {
+    var newEvaluator = Object.create(this);
+    newEvaluator.options = newOptions;
+    return newEvaluator;
+  }
+
+  hasBlendModes(resources) {
+    if (!(resources instanceof _primitives.Dict)) {
+      return false;
+    }
+
+    const processed = new _primitives.RefSet();
+
+    if (resources.objId) {
+      processed.put(resources.objId);
+    }
+
+    var nodes = [resources],
+        xref = this.xref;
+
+    while (nodes.length) {
+      var node = nodes.shift();
+      var graphicStates = node.get("ExtGState");
+
+      if (graphicStates instanceof _primitives.Dict) {
+        for (let graphicState of graphicStates.getRawValues()) {
+          if (graphicState instanceof _primitives.Ref) {
+            if (processed.has(graphicState)) {
+              continue;
+            }
+
+            try {
+              graphicState = xref.fetch(graphicState);
+            } catch (ex) {
+              if (ex instanceof _core_utils.MissingDataException) {
+                throw ex;
+              }
+
+              processed.put(graphicState);
+              (0, _util.info)(`hasBlendModes - ignoring ExtGState: "${ex}".`);
+              continue;
+            }
+          }
+
+          if (!(graphicState instanceof _primitives.Dict)) {
+            continue;
+          }
+
+          if (graphicState.objId) {
+            processed.put(graphicState.objId);
+          }
+
+          const bm = graphicState.get("BM");
+
+          if (bm instanceof _primitives.Name) {
+            if (bm.name !== "Normal") {
+              return true;
+            }
+
+            continue;
+          }
+
+          if (bm !== undefined && Array.isArray(bm)) {
+            for (const element of bm) {
+              if (element instanceof _primitives.Name && element.name !== "Normal") {
+                return true;
+              }
+            }
+          }
+        }
+      }
+
+      var xObjects = node.get("XObject");
+
+      if (!(xObjects instanceof _primitives.Dict)) {
+        continue;
+      }
+
+      for (let xObject of xObjects.getRawValues()) {
+        if (xObject instanceof _primitives.Ref) {
+          if (processed.has(xObject)) {
+            continue;
+          }
+
+          try {
+            xObject = xref.fetch(xObject);
+          } catch (ex) {
+            if (ex instanceof _core_utils.MissingDataException) {
+              throw ex;
+            }
+
+            processed.put(xObject);
+            (0, _util.info)(`hasBlendModes - ignoring XObject: "${ex}".`);
+            continue;
+          }
+        }
+
+        if (!(0, _primitives.isStream)(xObject)) {
+          continue;
+        }
+
+        if (xObject.dict.objId) {
+          processed.put(xObject.dict.objId);
+        }
+
+        var xResources = xObject.dict.get("Resources");
+
+        if (!(xResources instanceof _primitives.Dict)) {
+          continue;
+        }
+
+        if (xResources.objId && processed.has(xResources.objId)) {
+          continue;
+        }
+
+        nodes.push(xResources);
+
+        if (xResources.objId) {
+          processed.put(xResources.objId);
+        }
+      }
+    }
+
+    return false;
+  }
+
+  async fetchBuiltInCMap(name) {
+    const cachedData = this.builtInCMapCache.get(name);
+
+    if (cachedData) {
+      return cachedData;
+    }
+
+    const readableStream = this.handler.sendWithStream("FetchBuiltInCMap", {
+      name
+    });
+    const reader = readableStream.getReader();
+    const data = await new Promise(function (resolve, reject) {
+      function pump() {
+        reader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            return;
+          }
+
+          resolve(value);
+          pump();
+        }, reject);
+      }
+
+      pump();
+    });
+
+    if (data.compressionType !== _util.CMapCompressionType.NONE) {
+      this.builtInCMapCache.set(name, data);
+    }
+
+    return data;
+  }
+
+  async buildFormXObject(resources, xobj, smask, operatorList, task, initialState, localColorSpaceCache) {
+    var dict = xobj.dict;
+    var matrix = dict.getArray("Matrix");
+    var bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      bbox = null;
+    }
+
+    let optionalContent = null;
+
+    if (dict.has("OC")) {
+      optionalContent = await this.parseMarkedContentProps(dict.get("OC"), resources);
+      operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", optionalContent]);
+    }
+
+    var group = dict.get("Group");
+
+    if (group) {
+      var groupOptions = {
+        matrix,
+        bbox,
+        smask,
+        isolated: false,
+        knockout: false
+      };
+      var groupSubtype = group.get("S");
+      var colorSpace = null;
+
+      if ((0, _primitives.isName)(groupSubtype, "Transparency")) {
+        groupOptions.isolated = group.get("I") || false;
+        groupOptions.knockout = group.get("K") || false;
+
+        if (group.has("CS")) {
+          const cs = group.getRaw("CS");
+
+          const cachedColorSpace = _colorspace.ColorSpace.getCached(cs, this.xref, localColorSpaceCache);
+
+          if (cachedColorSpace) {
+            colorSpace = cachedColorSpace;
+          } else {
+            colorSpace = await this.parseColorSpace({
+              cs,
+              resources,
+              localColorSpaceCache
+            });
+          }
+        }
+      }
+
+      if (smask && smask.backdrop) {
+        colorSpace = colorSpace || _colorspace.ColorSpace.singletons.rgb;
+        smask.backdrop = colorSpace.getRgb(smask.backdrop, 0);
+      }
+
+      operatorList.addOp(_util.OPS.beginGroup, [groupOptions]);
+    }
+
+    operatorList.addOp(_util.OPS.paintFormXObjectBegin, [matrix, bbox]);
+    return this.getOperatorList({
+      stream: xobj,
+      task,
+      resources: dict.get("Resources") || resources,
+      operatorList,
+      initialState
+    }).then(function () {
+      operatorList.addOp(_util.OPS.paintFormXObjectEnd, []);
+
+      if (group) {
+        operatorList.addOp(_util.OPS.endGroup, [groupOptions]);
+      }
+
+      if (optionalContent) {
+        operatorList.addOp(_util.OPS.endMarkedContent, []);
+      }
+    });
+  }
+
+  _sendImgData(objId, imgData, cacheGlobally = false) {
+    const transfers = imgData ? [imgData.data.buffer] : null;
+
+    if (this.parsingType3Font || cacheGlobally) {
+      return this.handler.send("commonobj", [objId, "Image", imgData], transfers);
+    }
+
+    return this.handler.send("obj", [objId, this.pageIndex, "Image", imgData], transfers);
+  }
+
+  async buildPaintImageXObject({
+    resources,
+    image,
+    isInline = false,
+    operatorList,
+    cacheKey,
+    localImageCache,
+    localColorSpaceCache
+  }) {
+    var dict = image.dict;
+    const imageRef = dict.objId;
+    var w = dict.get("Width", "W");
+    var h = dict.get("Height", "H");
+
+    if (!(w && (0, _util.isNum)(w)) || !(h && (0, _util.isNum)(h))) {
+      (0, _util.warn)("Image dimensions are missing, or not numbers.");
+      return undefined;
+    }
+
+    var maxImageSize = this.options.maxImageSize;
+
+    if (maxImageSize !== -1 && w * h > maxImageSize) {
+      (0, _util.warn)("Image exceeded maximum allowed size and was removed.");
+      return undefined;
+    }
+
+    var imageMask = dict.get("ImageMask", "IM") || false;
+    var imgData, args;
+
+    if (imageMask) {
+      var width = dict.get("Width", "W");
+      var height = dict.get("Height", "H");
+      var bitStrideLength = width + 7 >> 3;
+      var imgArray = image.getBytes(bitStrideLength * height, true);
+      var decode = dict.getArray("Decode", "D");
+      imgData = _image.PDFImage.createMask({
+        imgArray,
+        width,
+        height,
+        imageIsFromDecodeStream: image instanceof _stream.DecodeStream,
+        inverseDecode: !!decode && decode[0] > 0
+      });
+      imgData.cached = !!cacheKey;
+      args = [imgData];
+      operatorList.addOp(_util.OPS.paintImageMaskXObject, args);
+
+      if (cacheKey) {
+        localImageCache.set(cacheKey, imageRef, {
+          fn: _util.OPS.paintImageMaskXObject,
+          args
+        });
+      }
+
+      return undefined;
+    }
+
+    var softMask = dict.get("SMask", "SM") || false;
+    var mask = dict.get("Mask") || false;
+    var SMALL_IMAGE_DIMENSIONS = 200;
+
+    if (isInline && !softMask && !mask && w + h < SMALL_IMAGE_DIMENSIONS) {
+      const imageObj = new _image.PDFImage({
+        xref: this.xref,
+        res: resources,
+        image,
+        isInline,
+        pdfFunctionFactory: this._pdfFunctionFactory,
+        localColorSpaceCache
+      });
+      imgData = imageObj.createImageData(true);
+      operatorList.addOp(_util.OPS.paintInlineImageXObject, [imgData]);
+      return undefined;
+    }
+
+    let objId = `img_${this.idFactory.createObjId()}`,
+        cacheGlobally = false;
+
+    if (this.parsingType3Font) {
+      objId = `${this.idFactory.getDocId()}_type3_${objId}`;
+    } else if (imageRef) {
+      cacheGlobally = this.globalImageCache.shouldCache(imageRef, this.pageIndex);
+
+      if (cacheGlobally) {
+        objId = `${this.idFactory.getDocId()}_${objId}`;
+      }
+    }
+
+    operatorList.addDependency(objId);
+    args = [objId, w, h];
+
+    _image.PDFImage.buildImage({
+      xref: this.xref,
+      res: resources,
+      image,
+      isInline,
+      pdfFunctionFactory: this._pdfFunctionFactory,
+      localColorSpaceCache
+    }).then(imageObj => {
+      imgData = imageObj.createImageData(false);
+      return this._sendImgData(objId, imgData, cacheGlobally);
+    }).catch(reason => {
+      (0, _util.warn)(`Unable to decode image "${objId}": "${reason}".`);
+      return this._sendImgData(objId, null, cacheGlobally);
+    });
+
+    operatorList.addOp(_util.OPS.paintImageXObject, args);
+
+    if (cacheKey) {
+      localImageCache.set(cacheKey, imageRef, {
+        fn: _util.OPS.paintImageXObject,
+        args
+      });
+
+      if (imageRef) {
+        (0, _util.assert)(!isInline, "Cannot cache an inline image globally.");
+        this.globalImageCache.addPageIndex(imageRef, this.pageIndex);
+
+        if (cacheGlobally) {
+          this.globalImageCache.setData(imageRef, {
+            objId,
+            fn: _util.OPS.paintImageXObject,
+            args
+          });
+        }
+      }
+    }
+
+    return undefined;
+  }
+
+  handleSMask(smask, resources, operatorList, task, stateManager, localColorSpaceCache) {
+    var smaskContent = smask.get("G");
+    var smaskOptions = {
+      subtype: smask.get("S").name,
+      backdrop: smask.get("BC")
+    };
+    var transferObj = smask.get("TR");
+
+    if ((0, _function.isPDFFunction)(transferObj)) {
+      const transferFn = this._pdfFunctionFactory.create(transferObj);
+
+      var transferMap = new Uint8Array(256);
+      var tmp = new Float32Array(1);
+
+      for (var i = 0; i < 256; i++) {
+        tmp[0] = i / 255;
+        transferFn(tmp, 0, tmp, 0);
+        transferMap[i] = tmp[0] * 255 | 0;
+      }
+
+      smaskOptions.transferMap = transferMap;
+    }
+
+    return this.buildFormXObject(resources, smaskContent, smaskOptions, operatorList, task, stateManager.state.clone(), localColorSpaceCache);
+  }
+
+  handleTransferFunction(tr) {
+    let transferArray;
+
+    if (Array.isArray(tr)) {
+      transferArray = tr;
+    } else if ((0, _function.isPDFFunction)(tr)) {
+      transferArray = [tr];
+    } else {
+      return null;
+    }
+
+    const transferMaps = [];
+    let numFns = 0,
+        numEffectfulFns = 0;
+
+    for (const entry of transferArray) {
+      const transferObj = this.xref.fetchIfRef(entry);
+      numFns++;
+
+      if ((0, _primitives.isName)(transferObj, "Identity")) {
+        transferMaps.push(null);
+        continue;
+      } else if (!(0, _function.isPDFFunction)(transferObj)) {
+        return null;
+      }
+
+      const transferFn = this._pdfFunctionFactory.create(transferObj);
+
+      const transferMap = new Uint8Array(256),
+            tmp = new Float32Array(1);
+
+      for (let j = 0; j < 256; j++) {
+        tmp[0] = j / 255;
+        transferFn(tmp, 0, tmp, 0);
+        transferMap[j] = tmp[0] * 255 | 0;
+      }
+
+      transferMaps.push(transferMap);
+      numEffectfulFns++;
+    }
+
+    if (!(numFns === 1 || numFns === 4)) {
+      return null;
+    }
+
+    if (numEffectfulFns === 0) {
+      return null;
+    }
+
+    return transferMaps;
+  }
+
+  handleTilingType(fn, args, resources, pattern, patternDict, operatorList, task) {
+    const tilingOpList = new _operator_list.OperatorList();
+
+    const patternResources = _primitives.Dict.merge({
+      xref: this.xref,
+      dictArray: [patternDict.get("Resources"), resources]
+    });
+
+    return this.getOperatorList({
+      stream: pattern,
+      task,
+      resources: patternResources,
+      operatorList: tilingOpList
+    }).then(function () {
+      return (0, _pattern.getTilingPatternIR)({
+        fnArray: tilingOpList.fnArray,
+        argsArray: tilingOpList.argsArray
+      }, patternDict, args);
+    }).then(function (tilingPatternIR) {
+      operatorList.addDependencies(tilingOpList.dependencies);
+      operatorList.addOp(fn, tilingPatternIR);
+    }, reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorTilingPattern
+        });
+        (0, _util.warn)(`handleTilingType - ignoring pattern: "${reason}".`);
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) {
+    var fontName,
+        fontSize = 0;
+
+    if (fontArgs) {
+      fontArgs = fontArgs.slice();
+      fontName = fontArgs[0].name;
+      fontSize = fontArgs[1];
+    }
+
+    return this.loadFont(fontName, fontRef, resources).then(translated => {
+      if (!translated.font.isType3Font) {
+        return translated;
+      }
+
+      return translated.loadType3Data(this, resources, task).then(function () {
+        operatorList.addDependencies(translated.type3Dependencies);
+        return translated;
+      }).catch(reason => {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadType3
+        });
+        return new TranslatedFont({
+          loadedName: "g_font_error",
+          font: new _fonts.ErrorFont(`Type3 font load error: ${reason}`),
+          dict: translated.font,
+          extraProperties: this.options.fontExtraProperties
+        });
+      });
+    }).then(translated => {
+      state.font = translated.font;
+      state.fontSize = fontSize;
+      state.fontName = fontName;
+      translated.send(this.handler);
+      return translated.loadedName;
+    });
+  }
+
+  handleText(chars, state) {
+    const font = state.font;
+    const glyphs = font.charsToGlyphs(chars);
+
+    if (font.data) {
+      const isAddToPathSet = !!(state.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+
+      if (isAddToPathSet || state.fillColorSpace.name === "Pattern" || font.disableFontFace || this.options.disableFontFace) {
+        PartialEvaluator.buildFontPaths(font, glyphs, this.handler);
+      }
+    }
+
+    return glyphs;
+  }
+
+  ensureStateFont(state) {
+    if (state.font) {
+      return;
+    }
+
+    const reason = new _util.FormatError("Missing setFont (Tf) operator before text rendering operator.");
+
+    if (this.options.ignoreErrors) {
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontState
+      });
+      (0, _util.warn)(`ensureStateFont: "${reason}".`);
+      return;
+    }
+
+    throw reason;
+  }
+
+  async setGState({
+    resources,
+    gState,
+    operatorList,
+    cacheKey,
+    task,
+    stateManager,
+    localGStateCache,
+    localColorSpaceCache
+  }) {
+    const gStateRef = gState.objId;
+    let isSimpleGState = true;
+    var gStateObj = [];
+    var gStateKeys = gState.getKeys();
+    var promise = Promise.resolve();
+
+    for (var i = 0, ii = gStateKeys.length; i < ii; i++) {
+      const key = gStateKeys[i];
+      const value = gState.get(key);
+
+      switch (key) {
+        case "Type":
+          break;
+
+        case "LW":
+        case "LC":
+        case "LJ":
+        case "ML":
+        case "D":
+        case "RI":
+        case "FL":
+        case "CA":
+        case "ca":
+          gStateObj.push([key, value]);
+          break;
+
+        case "Font":
+          isSimpleGState = false;
+          promise = promise.then(() => {
+            return this.handleSetFont(resources, null, value[0], operatorList, task, stateManager.state).then(function (loadedName) {
+              operatorList.addDependency(loadedName);
+              gStateObj.push([key, [loadedName, value[1]]]);
+            });
+          });
+          break;
+
+        case "BM":
+          gStateObj.push([key, normalizeBlendMode(value)]);
+          break;
+
+        case "SMask":
+          if ((0, _primitives.isName)(value, "None")) {
+            gStateObj.push([key, false]);
+            break;
+          }
+
+          if ((0, _primitives.isDict)(value)) {
+            isSimpleGState = false;
+            promise = promise.then(() => {
+              return this.handleSMask(value, resources, operatorList, task, stateManager, localColorSpaceCache);
+            });
+            gStateObj.push([key, true]);
+          } else {
+            (0, _util.warn)("Unsupported SMask type");
+          }
+
+          break;
+
+        case "TR":
+          const transferMaps = this.handleTransferFunction(value);
+          gStateObj.push([key, transferMaps]);
+          break;
+
+        case "OP":
+        case "op":
+        case "OPM":
+        case "BG":
+        case "BG2":
+        case "UCR":
+        case "UCR2":
+        case "TR2":
+        case "HT":
+        case "SM":
+        case "SA":
+        case "AIS":
+        case "TK":
+          (0, _util.info)("graphic state operator " + key);
+          break;
+
+        default:
+          (0, _util.info)("Unknown graphic state operator " + key);
+          break;
+      }
+    }
+
+    return promise.then(function () {
+      if (gStateObj.length > 0) {
+        operatorList.addOp(_util.OPS.setGState, [gStateObj]);
+      }
+
+      if (isSimpleGState) {
+        localGStateCache.set(cacheKey, gStateRef, gStateObj);
+      }
+    });
+  }
+
+  loadFont(fontName, font, resources) {
+    const errorFont = () => {
+      return Promise.resolve(new TranslatedFont({
+        loadedName: "g_font_error",
+        font: new _fonts.ErrorFont(`Font "${fontName}" is not available.`),
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    };
+
+    var fontRef,
+        xref = this.xref;
+
+    if (font) {
+      if (!(0, _primitives.isRef)(font)) {
+        throw new _util.FormatError('The "font" object should be a reference.');
+      }
+
+      fontRef = font;
+    } else {
+      var fontRes = resources.get("Font");
+
+      if (fontRes) {
+        fontRef = fontRes.getRaw(fontName);
+      }
+    }
+
+    if (!fontRef) {
+      const partialMsg = `Font "${fontName || font && font.toString()}" is not available`;
+
+      if (!this.options.ignoreErrors && !this.parsingType3Font) {
+        (0, _util.warn)(`${partialMsg}.`);
+        return errorFont();
+      }
+
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontMissing
+      });
+      (0, _util.warn)(`${partialMsg} -- attempting to fallback to a default font.`);
+      fontRef = PartialEvaluator.fallbackFontDict;
+    }
+
+    if (this.fontCache.has(fontRef)) {
+      return this.fontCache.get(fontRef);
+    }
+
+    font = xref.fetchIfRef(fontRef);
+
+    if (!(0, _primitives.isDict)(font)) {
+      return errorFont();
+    }
+
+    if (font.translated) {
+      return font.translated;
+    }
+
+    var fontCapability = (0, _util.createPromiseCapability)();
+    var preEvaluatedFont = this.preEvaluateFont(font);
+    const {
+      descriptor,
+      hash
+    } = preEvaluatedFont;
+    var fontRefIsRef = (0, _primitives.isRef)(fontRef),
+        fontID;
+
+    if (fontRefIsRef) {
+      fontID = `f${fontRef.toString()}`;
+    }
+
+    if (hash && (0, _primitives.isDict)(descriptor)) {
+      if (!descriptor.fontAliases) {
+        descriptor.fontAliases = Object.create(null);
+      }
+
+      var fontAliases = descriptor.fontAliases;
+
+      if (fontAliases[hash]) {
+        var aliasFontRef = fontAliases[hash].aliasRef;
+
+        if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) {
+          this.fontCache.putAlias(fontRef, aliasFontRef);
+          return this.fontCache.get(fontRef);
+        }
+      } else {
+        fontAliases[hash] = {
+          fontID: this.idFactory.createFontId()
+        };
+      }
+
+      if (fontRefIsRef) {
+        fontAliases[hash].aliasRef = fontRef;
+      }
+
+      fontID = fontAliases[hash].fontID;
+    }
+
+    if (fontRefIsRef) {
+      this.fontCache.put(fontRef, fontCapability.promise);
+    } else {
+      if (!fontID) {
+        fontID = this.idFactory.createFontId();
+      }
+
+      this.fontCache.put(`id_${fontID}`, fontCapability.promise);
+    }
+
+    (0, _util.assert)(fontID && fontID.startsWith("f"), 'The "fontID" must be (correctly) defined.');
+    font.loadedName = `${this.idFactory.getDocId()}_${fontID}`;
+    font.translated = fontCapability.promise;
+    var translatedPromise;
+
+    try {
+      translatedPromise = this.translateFont(preEvaluatedFont);
+    } catch (e) {
+      translatedPromise = Promise.reject(e);
+    }
+
+    translatedPromise.then(translatedFont => {
+      if (translatedFont.fontType !== undefined) {
+        var xrefFontStats = xref.stats.fontTypes;
+        xrefFontStats[translatedFont.fontType] = true;
+      }
+
+      fontCapability.resolve(new TranslatedFont({
+        loadedName: font.loadedName,
+        font: translatedFont,
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    }).catch(reason => {
+      this.handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.errorFontTranslate
+      });
+
+      try {
+        var fontFile3 = descriptor && descriptor.get("FontFile3");
+        var subtype = fontFile3 && fontFile3.get("Subtype");
+        var fontType = (0, _fonts.getFontType)(preEvaluatedFont.type, subtype && subtype.name);
+        var xrefFontStats = xref.stats.fontTypes;
+        xrefFontStats[fontType] = true;
+      } catch (ex) {}
+
+      fontCapability.resolve(new TranslatedFont({
+        loadedName: font.loadedName,
+        font: new _fonts.ErrorFont(reason instanceof Error ? reason.message : reason),
+        dict: font,
+        extraProperties: this.options.fontExtraProperties
+      }));
+    });
+    return fontCapability.promise;
+  }
+
+  buildPath(operatorList, fn, args, parsingText = false) {
+    var lastIndex = operatorList.length - 1;
+
+    if (!args) {
+      args = [];
+    }
+
+    if (lastIndex < 0 || operatorList.fnArray[lastIndex] !== _util.OPS.constructPath) {
+      if (parsingText) {
+        (0, _util.warn)(`Encountered path operator "${fn}" inside of a text object.`);
+        operatorList.addOp(_util.OPS.save, null);
+      }
+
+      operatorList.addOp(_util.OPS.constructPath, [[fn], args]);
+
+      if (parsingText) {
+        operatorList.addOp(_util.OPS.restore, null);
+      }
+    } else {
+      var opArgs = operatorList.argsArray[lastIndex];
+      opArgs[0].push(fn);
+      Array.prototype.push.apply(opArgs[1], args);
+    }
+  }
+
+  parseColorSpace({
+    cs,
+    resources,
+    localColorSpaceCache
+  }) {
+    return _colorspace.ColorSpace.parseAsync({
+      cs,
+      xref: this.xref,
+      resources,
+      pdfFunctionFactory: this._pdfFunctionFactory,
+      localColorSpaceCache
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return null;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorColorSpace
+        });
+        (0, _util.warn)(`parseColorSpace - ignoring ColorSpace: "${reason}".`);
+        return null;
+      }
+
+      throw reason;
+    });
+  }
+
+  async handleColorN(operatorList, fn, args, cs, patterns, resources, task, localColorSpaceCache) {
+    var patternName = args[args.length - 1];
+    var pattern;
+
+    if ((0, _primitives.isName)(patternName) && (pattern = patterns.get(patternName.name))) {
+      var dict = (0, _primitives.isStream)(pattern) ? pattern.dict : pattern;
+      var typeNum = dict.get("PatternType");
+
+      if (typeNum === PatternType.TILING) {
+        var color = cs.base ? cs.base.getRgb(args, 0) : null;
+        return this.handleTilingType(fn, color, resources, pattern, dict, operatorList, task);
+      } else if (typeNum === PatternType.SHADING) {
+        var shading = dict.get("Shading");
+        var matrix = dict.getArray("Matrix");
+        pattern = _pattern.Pattern.parseShading(shading, matrix, this.xref, resources, this.handler, this._pdfFunctionFactory, localColorSpaceCache);
+        operatorList.addOp(fn, pattern.getIR());
+        return undefined;
+      }
+
+      throw new _util.FormatError(`Unknown PatternType: ${typeNum}`);
+    }
+
+    throw new _util.FormatError(`Unknown PatternName: ${patternName}`);
+  }
+
+  async parseMarkedContentProps(contentProperties, resources) {
+    let optionalContent;
+
+    if ((0, _primitives.isName)(contentProperties)) {
+      const properties = resources.get("Properties");
+      optionalContent = properties.get(contentProperties.name);
+    } else if ((0, _primitives.isDict)(contentProperties)) {
+      optionalContent = contentProperties;
+    } else {
+      throw new _util.FormatError("Optional content properties malformed.");
+    }
+
+    const optionalContentType = optionalContent.get("Type").name;
+
+    if (optionalContentType === "OCG") {
+      return {
+        type: optionalContentType,
+        id: optionalContent.objId
+      };
+    } else if (optionalContentType === "OCMD") {
+      const optionalContentGroups = optionalContent.get("OCGs");
+
+      if (Array.isArray(optionalContentGroups) || (0, _primitives.isDict)(optionalContentGroups)) {
+        const groupIds = [];
+
+        if (Array.isArray(optionalContentGroups)) {
+          optionalContent.get("OCGs").forEach(ocg => {
+            groupIds.push(ocg.toString());
+          });
+        } else {
+          groupIds.push(optionalContentGroups.objId);
+        }
+
+        let expression = null;
+
+        if (optionalContent.get("VE")) {
+          expression = true;
+        }
+
+        return {
+          type: optionalContentType,
+          ids: groupIds,
+          policy: (0, _primitives.isName)(optionalContent.get("P")) ? optionalContent.get("P").name : null,
+          expression
+        };
+      } else if ((0, _primitives.isRef)(optionalContentGroups)) {
+        return {
+          type: optionalContentType,
+          id: optionalContentGroups.toString()
+        };
+      }
+    }
+
+    return null;
+  }
+
+  getOperatorList({
+    stream,
+    task,
+    resources,
+    operatorList,
+    initialState = null
+  }) {
+    resources = resources || _primitives.Dict.empty;
+    initialState = initialState || new EvalState();
+
+    if (!operatorList) {
+      throw new Error('getOperatorList: missing "operatorList" parameter');
+    }
+
+    var self = this;
+    var xref = this.xref;
+    let parsingText = false;
+    const localImageCache = new _image_utils.LocalImageCache();
+    const localColorSpaceCache = new _image_utils.LocalColorSpaceCache();
+    const localGStateCache = new _image_utils.LocalGStateCache();
+
+    var xobjs = resources.get("XObject") || _primitives.Dict.empty;
+
+    var patterns = resources.get("Pattern") || _primitives.Dict.empty;
+
+    var stateManager = new StateManager(initialState);
+    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+    var timeSlotManager = new TimeSlotManager();
+
+    function closePendingRestoreOPS(argument) {
+      for (var i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {
+        operatorList.addOp(_util.OPS.restore, []);
+      }
+    }
+
+    return new Promise(function promiseBody(resolve, reject) {
+      const next = function (promise) {
+        Promise.all([promise, operatorList.ready]).then(function () {
+          try {
+            promiseBody(resolve, reject);
+          } catch (ex) {
+            reject(ex);
+          }
+        }, reject);
+      };
+
+      task.ensureNotTerminated();
+      timeSlotManager.reset();
+      var stop,
+          operation = {},
+          i,
+          ii,
+          cs,
+          name;
+
+      while (!(stop = timeSlotManager.check())) {
+        operation.args = null;
+
+        if (!preprocessor.read(operation)) {
+          break;
+        }
+
+        var args = operation.args;
+        var fn = operation.fn;
+
+        switch (fn | 0) {
+          case _util.OPS.paintXObject:
+            name = args[0].name;
+
+            if (name) {
+              const localImage = localImageCache.getByName(name);
+
+              if (localImage) {
+                operatorList.addOp(localImage.fn, localImage.args);
+                args = null;
+                continue;
+              }
+            }
+
+            next(new Promise(function (resolveXObject, rejectXObject) {
+              if (!name) {
+                throw new _util.FormatError("XObject must be referred to by name.");
+              }
+
+              let xobj = xobjs.getRaw(name);
+
+              if (xobj instanceof _primitives.Ref) {
+                const localImage = localImageCache.getByRef(xobj);
+
+                if (localImage) {
+                  operatorList.addOp(localImage.fn, localImage.args);
+                  resolveXObject();
+                  return;
+                }
+
+                const globalImage = self.globalImageCache.getData(xobj, self.pageIndex);
+
+                if (globalImage) {
+                  operatorList.addDependency(globalImage.objId);
+                  operatorList.addOp(globalImage.fn, globalImage.args);
+                  resolveXObject();
+                  return;
+                }
+
+                xobj = xref.fetch(xobj);
+              }
+
+              if (!(0, _primitives.isStream)(xobj)) {
+                throw new _util.FormatError("XObject should be a stream");
+              }
+
+              const type = xobj.dict.get("Subtype");
+
+              if (!(0, _primitives.isName)(type)) {
+                throw new _util.FormatError("XObject should have a Name subtype");
+              }
+
+              if (type.name === "Form") {
+                stateManager.save();
+                self.buildFormXObject(resources, xobj, null, operatorList, task, stateManager.state.clone(), localColorSpaceCache).then(function () {
+                  stateManager.restore();
+                  resolveXObject();
+                }, rejectXObject);
+                return;
+              } else if (type.name === "Image") {
+                self.buildPaintImageXObject({
+                  resources,
+                  image: xobj,
+                  operatorList,
+                  cacheKey: name,
+                  localImageCache,
+                  localColorSpaceCache
+                }).then(resolveXObject, rejectXObject);
+                return;
+              } else if (type.name === "PS") {
+                (0, _util.info)("Ignored XObject subtype PS");
+              } else {
+                throw new _util.FormatError(`Unhandled XObject subtype ${type.name}`);
+              }
+
+              resolveXObject();
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                self.handler.send("UnsupportedFeature", {
+                  featureId: _util.UNSUPPORTED_FEATURES.errorXObject
+                });
+                (0, _util.warn)(`getOperatorList - ignoring XObject: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.setFont:
+            var fontSize = args[1];
+            next(self.handleSetFont(resources, args, null, operatorList, task, stateManager.state).then(function (loadedName) {
+              operatorList.addDependency(loadedName);
+              operatorList.addOp(_util.OPS.setFont, [loadedName, fontSize]);
+            }));
+            return;
+
+          case _util.OPS.beginText:
+            parsingText = true;
+            break;
+
+          case _util.OPS.endText:
+            parsingText = false;
+            break;
+
+          case _util.OPS.endInlineImage:
+            var cacheKey = args[0].cacheKey;
+
+            if (cacheKey) {
+              const localImage = localImageCache.getByName(cacheKey);
+
+              if (localImage) {
+                operatorList.addOp(localImage.fn, localImage.args);
+                args = null;
+                continue;
+              }
+            }
+
+            next(self.buildPaintImageXObject({
+              resources,
+              image: args[0],
+              isInline: true,
+              operatorList,
+              cacheKey,
+              localImageCache,
+              localColorSpaceCache
+            }));
+            return;
+
+          case _util.OPS.showText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            args[0] = self.handleText(args[0], stateManager.state);
+            break;
+
+          case _util.OPS.showSpacedText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            var arr = args[0];
+            var combinedGlyphs = [];
+            var arrLength = arr.length;
+            var state = stateManager.state;
+
+            for (i = 0; i < arrLength; ++i) {
+              var arrItem = arr[i];
+
+              if ((0, _util.isString)(arrItem)) {
+                Array.prototype.push.apply(combinedGlyphs, self.handleText(arrItem, state));
+              } else if ((0, _util.isNum)(arrItem)) {
+                combinedGlyphs.push(arrItem);
+              }
+            }
+
+            args[0] = combinedGlyphs;
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.nextLineShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            operatorList.addOp(_util.OPS.nextLine);
+            args[0] = self.handleText(args[0], stateManager.state);
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.nextLineSetSpacingShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            operatorList.addOp(_util.OPS.nextLine);
+            operatorList.addOp(_util.OPS.setWordSpacing, [args.shift()]);
+            operatorList.addOp(_util.OPS.setCharSpacing, [args.shift()]);
+            args[0] = self.handleText(args[0], stateManager.state);
+            fn = _util.OPS.showText;
+            break;
+
+          case _util.OPS.setTextRenderingMode:
+            stateManager.state.textRenderingMode = args[0];
+            break;
+
+          case _util.OPS.setFillColorSpace:
+            {
+              const cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+              if (cachedColorSpace) {
+                stateManager.state.fillColorSpace = cachedColorSpace;
+                continue;
+              }
+
+              next(self.parseColorSpace({
+                cs: args[0],
+                resources,
+                localColorSpaceCache
+              }).then(function (colorSpace) {
+                if (colorSpace) {
+                  stateManager.state.fillColorSpace = colorSpace;
+                }
+              }));
+              return;
+            }
+
+          case _util.OPS.setStrokeColorSpace:
+            {
+              const cachedColorSpace = _colorspace.ColorSpace.getCached(args[0], xref, localColorSpaceCache);
+
+              if (cachedColorSpace) {
+                stateManager.state.strokeColorSpace = cachedColorSpace;
+                continue;
+              }
+
+              next(self.parseColorSpace({
+                cs: args[0],
+                resources,
+                localColorSpaceCache
+              }).then(function (colorSpace) {
+                if (colorSpace) {
+                  stateManager.state.strokeColorSpace = colorSpace;
+                }
+              }));
+              return;
+            }
+
+          case _util.OPS.setFillColor:
+            cs = stateManager.state.fillColorSpace;
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeColor:
+            cs = stateManager.state.strokeColorSpace;
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillGray:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+            args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeGray:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+            args = _colorspace.ColorSpace.singletons.gray.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillCMYKColor:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+            args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeCMYKColor:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.cmyk;
+            args = _colorspace.ColorSpace.singletons.cmyk.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.setFillRGBColor:
+            stateManager.state.fillColorSpace = _colorspace.ColorSpace.singletons.rgb;
+            args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+            break;
+
+          case _util.OPS.setStrokeRGBColor:
+            stateManager.state.strokeColorSpace = _colorspace.ColorSpace.singletons.rgb;
+            args = _colorspace.ColorSpace.singletons.rgb.getRgb(args, 0);
+            break;
+
+          case _util.OPS.setFillColorN:
+            cs = stateManager.state.fillColorSpace;
+
+            if (cs.name === "Pattern") {
+              next(self.handleColorN(operatorList, _util.OPS.setFillColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+              return;
+            }
+
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setFillRGBColor;
+            break;
+
+          case _util.OPS.setStrokeColorN:
+            cs = stateManager.state.strokeColorSpace;
+
+            if (cs.name === "Pattern") {
+              next(self.handleColorN(operatorList, _util.OPS.setStrokeColorN, args, cs, patterns, resources, task, localColorSpaceCache));
+              return;
+            }
+
+            args = cs.getRgb(args, 0);
+            fn = _util.OPS.setStrokeRGBColor;
+            break;
+
+          case _util.OPS.shadingFill:
+            var shadingRes = resources.get("Shading");
+
+            if (!shadingRes) {
+              throw new _util.FormatError("No shading resource found");
+            }
+
+            var shading = shadingRes.get(args[0].name);
+
+            if (!shading) {
+              throw new _util.FormatError("No shading object found");
+            }
+
+            var shadingFill = _pattern.Pattern.parseShading(shading, null, xref, resources, self.handler, self._pdfFunctionFactory, localColorSpaceCache);
+
+            var patternIR = shadingFill.getIR();
+            args = [patternIR];
+            fn = _util.OPS.shadingFill;
+            break;
+
+          case _util.OPS.setGState:
+            name = args[0].name;
+
+            if (name) {
+              const localGStateObj = localGStateCache.getByName(name);
+
+              if (localGStateObj) {
+                if (localGStateObj.length > 0) {
+                  operatorList.addOp(_util.OPS.setGState, [localGStateObj]);
+                }
+
+                args = null;
+                continue;
+              }
+            }
+
+            next(new Promise(function (resolveGState, rejectGState) {
+              if (!name) {
+                throw new _util.FormatError("GState must be referred to by name.");
+              }
+
+              const extGState = resources.get("ExtGState");
+
+              if (!(extGState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("ExtGState should be a dictionary.");
+              }
+
+              const gState = extGState.get(name);
+
+              if (!(gState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("GState should be a dictionary.");
+              }
+
+              self.setGState({
+                resources,
+                gState,
+                operatorList,
+                cacheKey: name,
+                task,
+                stateManager,
+                localGStateCache,
+                localColorSpaceCache
+              }).then(resolveGState, rejectGState);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                self.handler.send("UnsupportedFeature", {
+                  featureId: _util.UNSUPPORTED_FEATURES.errorExtGState
+                });
+                (0, _util.warn)(`getOperatorList - ignoring ExtGState: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.moveTo:
+          case _util.OPS.lineTo:
+          case _util.OPS.curveTo:
+          case _util.OPS.curveTo2:
+          case _util.OPS.curveTo3:
+          case _util.OPS.closePath:
+          case _util.OPS.rectangle:
+            self.buildPath(operatorList, fn, args, parsingText);
+            continue;
+
+          case _util.OPS.markPoint:
+          case _util.OPS.markPointProps:
+          case _util.OPS.beginCompat:
+          case _util.OPS.endCompat:
+            continue;
+
+          case _util.OPS.beginMarkedContentProps:
+            if (!(0, _primitives.isName)(args[0])) {
+              (0, _util.warn)(`Expected name for beginMarkedContentProps arg0=${args[0]}`);
+              continue;
+            }
+
+            if (args[0].name === "OC") {
+              next(self.parseMarkedContentProps(args[1], resources).then(data => {
+                operatorList.addOp(_util.OPS.beginMarkedContentProps, ["OC", data]);
+              }).catch(reason => {
+                if (reason instanceof _util.AbortException) {
+                  return;
+                }
+
+                if (self.options.ignoreErrors) {
+                  self.handler.send("UnsupportedFeature", {
+                    featureId: _util.UNSUPPORTED_FEATURES.errorMarkedContent
+                  });
+                  (0, _util.warn)(`getOperatorList - ignoring beginMarkedContentProps: "${reason}".`);
+                  return;
+                }
+
+                throw reason;
+              }));
+              return;
+            }
+
+            args = [args[0].name];
+            break;
+
+          case _util.OPS.beginMarkedContent:
+          case _util.OPS.endMarkedContent:
+          default:
+            if (args !== null) {
+              for (i = 0, ii = args.length; i < ii; i++) {
+                if (args[i] instanceof _primitives.Dict) {
+                  break;
+                }
+              }
+
+              if (i < ii) {
+                (0, _util.warn)("getOperatorList - ignoring operator: " + fn);
+                continue;
+              }
+            }
+
+        }
+
+        operatorList.addOp(fn, args);
+      }
+
+      if (stop) {
+        next(deferred);
+        return;
+      }
+
+      closePendingRestoreOPS();
+      resolve();
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        this.handler.send("UnsupportedFeature", {
+          featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+        });
+        (0, _util.warn)(`getOperatorList - ignoring errors during "${task.name}" ` + `task: "${reason}".`);
+        closePendingRestoreOPS();
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  getTextContent({
+    stream,
+    task,
+    resources,
+    stateManager = null,
+    normalizeWhitespace = false,
+    combineTextItems = false,
+    sink,
+    seenStyles = Object.create(null)
+  }) {
+    resources = resources || _primitives.Dict.empty;
+    stateManager = stateManager || new StateManager(new TextState());
+    var WhitespaceRegexp = /\s/g;
+    var textContent = {
+      items: [],
+      styles: Object.create(null)
+    };
+    var textContentItem = {
+      initialized: false,
+      str: [],
+      width: 0,
+      height: 0,
+      vertical: false,
+      lastAdvanceWidth: 0,
+      lastAdvanceHeight: 0,
+      textAdvanceScale: 0,
+      spaceWidth: 0,
+      fakeSpaceMin: Infinity,
+      fakeMultiSpaceMin: Infinity,
+      fakeMultiSpaceMax: -0,
+      textRunBreakAllowed: false,
+      transform: null,
+      fontName: null
+    };
+    var SPACE_FACTOR = 0.3;
+    var MULTI_SPACE_FACTOR = 1.5;
+    var MULTI_SPACE_FACTOR_MAX = 4;
+    var self = this;
+    var xref = this.xref;
+    var xobjs = null;
+    const emptyXObjectCache = new _image_utils.LocalImageCache();
+    const emptyGStateCache = new _image_utils.LocalGStateCache();
+    var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);
+    var textState;
+
+    function ensureTextContentItem() {
+      if (textContentItem.initialized) {
+        return textContentItem;
+      }
+
+      var font = textState.font;
+
+      if (!(font.loadedName in seenStyles)) {
+        seenStyles[font.loadedName] = true;
+        textContent.styles[font.loadedName] = {
+          fontFamily: font.fallbackName,
+          ascent: font.ascent,
+          descent: font.descent,
+          vertical: font.vertical
+        };
+      }
+
+      textContentItem.fontName = font.loadedName;
+      var tsm = [textState.fontSize * textState.textHScale, 0, 0, textState.fontSize, 0, textState.textRise];
+
+      if (font.isType3Font && textState.fontSize <= 1 && !(0, _util.isArrayEqual)(textState.fontMatrix, _util.FONT_IDENTITY_MATRIX)) {
+        const glyphHeight = font.bbox[3] - font.bbox[1];
+
+        if (glyphHeight > 0) {
+          tsm[3] *= glyphHeight * textState.fontMatrix[3];
+        }
+      }
+
+      var trm = _util.Util.transform(textState.ctm, _util.Util.transform(textState.textMatrix, tsm));
+
+      textContentItem.transform = trm;
+
+      if (!font.vertical) {
+        textContentItem.width = 0;
+        textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);
+        textContentItem.vertical = false;
+      } else {
+        textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);
+        textContentItem.height = 0;
+        textContentItem.vertical = true;
+      }
+
+      var a = textState.textLineMatrix[0];
+      var b = textState.textLineMatrix[1];
+      var scaleLineX = Math.sqrt(a * a + b * b);
+      a = textState.ctm[0];
+      b = textState.ctm[1];
+      var scaleCtmX = Math.sqrt(a * a + b * b);
+      textContentItem.textAdvanceScale = scaleCtmX * scaleLineX;
+      textContentItem.lastAdvanceWidth = 0;
+      textContentItem.lastAdvanceHeight = 0;
+      var spaceWidth = font.spaceWidth / 1000 * textState.fontSize;
+
+      if (spaceWidth) {
+        textContentItem.spaceWidth = spaceWidth;
+        textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR;
+        textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR;
+        textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX;
+        textContentItem.textRunBreakAllowed = !font.isMonospace;
+      } else {
+        textContentItem.spaceWidth = 0;
+        textContentItem.fakeSpaceMin = Infinity;
+        textContentItem.fakeMultiSpaceMin = Infinity;
+        textContentItem.fakeMultiSpaceMax = 0;
+        textContentItem.textRunBreakAllowed = false;
+      }
+
+      textContentItem.initialized = true;
+      return textContentItem;
+    }
+
+    function replaceWhitespace(str) {
+      var i = 0,
+          ii = str.length,
+          code;
+
+      while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7f) {
+        i++;
+      }
+
+      return i < ii ? str.replace(WhitespaceRegexp, " ") : str;
+    }
+
+    function runBidiTransform(textChunk) {
+      var str = textChunk.str.join("");
+      var bidiResult = (0, _bidi.bidi)(str, -1, textChunk.vertical);
+      return {
+        str: normalizeWhitespace ? replaceWhitespace(bidiResult.str) : bidiResult.str,
+        dir: bidiResult.dir,
+        width: textChunk.width,
+        height: textChunk.height,
+        transform: textChunk.transform,
+        fontName: textChunk.fontName
+      };
+    }
+
+    function handleSetFont(fontName, fontRef) {
+      return self.loadFont(fontName, fontRef, resources).then(function (translated) {
+        textState.font = translated.font;
+        textState.fontMatrix = translated.font.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      });
+    }
+
+    function buildTextContentItem(chars) {
+      var font = textState.font;
+      var textChunk = ensureTextContentItem();
+      var width = 0;
+      var height = 0;
+      var glyphs = font.charsToGlyphs(chars);
+
+      for (var i = 0; i < glyphs.length; i++) {
+        var glyph = glyphs[i];
+        var glyphWidth = null;
+
+        if (font.vertical && glyph.vmetric) {
+          glyphWidth = glyph.vmetric[0];
+        } else {
+          glyphWidth = glyph.width;
+        }
+
+        var glyphUnicode = glyph.unicode;
+        var NormalizedUnicodes = (0, _unicode.getNormalizedUnicodes)();
+
+        if (NormalizedUnicodes[glyphUnicode] !== undefined) {
+          glyphUnicode = NormalizedUnicodes[glyphUnicode];
+        }
+
+        glyphUnicode = (0, _unicode.reverseIfRtl)(glyphUnicode);
+        var charSpacing = textState.charSpacing;
+
+        if (glyph.isSpace) {
+          var wordSpacing = textState.wordSpacing;
+          charSpacing += wordSpacing;
+
+          if (wordSpacing > 0) {
+            addFakeSpaces(wordSpacing, textChunk.str);
+          }
+        }
+
+        var tx = 0;
+        var ty = 0;
+
+        if (!font.vertical) {
+          var w0 = glyphWidth * textState.fontMatrix[0];
+          tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale;
+          width += tx;
+        } else {
+          var w1 = glyphWidth * textState.fontMatrix[0];
+          ty = w1 * textState.fontSize + charSpacing;
+          height += ty;
+        }
+
+        textState.translateTextMatrix(tx, ty);
+        textChunk.str.push(glyphUnicode);
+      }
+
+      if (!font.vertical) {
+        textChunk.lastAdvanceWidth = width;
+        textChunk.width += width;
+      } else {
+        textChunk.lastAdvanceHeight = height;
+        textChunk.height += Math.abs(height);
+      }
+
+      return textChunk;
+    }
+
+    function addFakeSpaces(width, strBuf) {
+      if (width < textContentItem.fakeSpaceMin) {
+        return;
+      }
+
+      if (width < textContentItem.fakeMultiSpaceMin) {
+        strBuf.push(" ");
+        return;
+      }
+
+      var fakeSpaces = Math.round(width / textContentItem.spaceWidth);
+
+      while (fakeSpaces-- > 0) {
+        strBuf.push(" ");
+      }
+    }
+
+    function flushTextContentItem() {
+      if (!textContentItem.initialized) {
+        return;
+      }
+
+      if (!textContentItem.vertical) {
+        textContentItem.width *= textContentItem.textAdvanceScale;
+      } else {
+        textContentItem.height *= textContentItem.textAdvanceScale;
+      }
+
+      textContent.items.push(runBidiTransform(textContentItem));
+      textContentItem.initialized = false;
+      textContentItem.str.length = 0;
+    }
+
+    function enqueueChunk() {
+      const length = textContent.items.length;
+
+      if (length > 0) {
+        sink.enqueue(textContent, length);
+        textContent.items = [];
+        textContent.styles = Object.create(null);
+      }
+    }
+
+    var timeSlotManager = new TimeSlotManager();
+    return new Promise(function promiseBody(resolve, reject) {
+      const next = function (promise) {
+        enqueueChunk();
+        Promise.all([promise, sink.ready]).then(function () {
+          try {
+            promiseBody(resolve, reject);
+          } catch (ex) {
+            reject(ex);
+          }
+        }, reject);
+      };
+
+      task.ensureNotTerminated();
+      timeSlotManager.reset();
+      var stop,
+          operation = {},
+          args = [];
+
+      while (!(stop = timeSlotManager.check())) {
+        args.length = 0;
+        operation.args = args;
+
+        if (!preprocessor.read(operation)) {
+          break;
+        }
+
+        textState = stateManager.state;
+        var fn = operation.fn;
+        args = operation.args;
+        var advance, diff;
+
+        switch (fn | 0) {
+          case _util.OPS.setFont:
+            var fontNameArg = args[0].name,
+                fontSizeArg = args[1];
+
+            if (textState.font && fontNameArg === textState.fontName && fontSizeArg === textState.fontSize) {
+              break;
+            }
+
+            flushTextContentItem();
+            textState.fontName = fontNameArg;
+            textState.fontSize = fontSizeArg;
+            next(handleSetFont(fontNameArg, null));
+            return;
+
+          case _util.OPS.setTextRise:
+            flushTextContentItem();
+            textState.textRise = args[0];
+            break;
+
+          case _util.OPS.setHScale:
+            flushTextContentItem();
+            textState.textHScale = args[0] / 100;
+            break;
+
+          case _util.OPS.setLeading:
+            flushTextContentItem();
+            textState.leading = args[0];
+            break;
+
+          case _util.OPS.moveText:
+            var isSameTextLine = !textState.font ? false : (textState.font.vertical ? args[0] : args[1]) === 0;
+            advance = args[0] - args[1];
+
+            if (combineTextItems && isSameTextLine && textContentItem.initialized && advance > 0 && advance <= textContentItem.fakeMultiSpaceMax) {
+              textState.translateTextLineMatrix(args[0], args[1]);
+              textContentItem.width += args[0] - textContentItem.lastAdvanceWidth;
+              textContentItem.height += args[1] - textContentItem.lastAdvanceHeight;
+              diff = args[0] - textContentItem.lastAdvanceWidth - (args[1] - textContentItem.lastAdvanceHeight);
+              addFakeSpaces(diff, textContentItem.str);
+              break;
+            }
+
+            flushTextContentItem();
+            textState.translateTextLineMatrix(args[0], args[1]);
+            textState.textMatrix = textState.textLineMatrix.slice();
+            break;
+
+          case _util.OPS.setLeadingMoveText:
+            flushTextContentItem();
+            textState.leading = -args[1];
+            textState.translateTextLineMatrix(args[0], args[1]);
+            textState.textMatrix = textState.textLineMatrix.slice();
+            break;
+
+          case _util.OPS.nextLine:
+            flushTextContentItem();
+            textState.carriageReturn();
+            break;
+
+          case _util.OPS.setTextMatrix:
+            advance = textState.calcTextLineMatrixAdvance(args[0], args[1], args[2], args[3], args[4], args[5]);
+
+            if (combineTextItems && advance !== null && textContentItem.initialized && advance.value > 0 && advance.value <= textContentItem.fakeMultiSpaceMax) {
+              textState.translateTextLineMatrix(advance.width, advance.height);
+              textContentItem.width += advance.width - textContentItem.lastAdvanceWidth;
+              textContentItem.height += advance.height - textContentItem.lastAdvanceHeight;
+              diff = advance.width - textContentItem.lastAdvanceWidth - (advance.height - textContentItem.lastAdvanceHeight);
+              addFakeSpaces(diff, textContentItem.str);
+              break;
+            }
+
+            flushTextContentItem();
+            textState.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            textState.setTextLineMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.setCharSpacing:
+            textState.charSpacing = args[0];
+            break;
+
+          case _util.OPS.setWordSpacing:
+            textState.wordSpacing = args[0];
+            break;
+
+          case _util.OPS.beginText:
+            flushTextContentItem();
+            textState.textMatrix = _util.IDENTITY_MATRIX.slice();
+            textState.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+            break;
+
+          case _util.OPS.showSpacedText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            var items = args[0];
+            var offset;
+
+            for (var j = 0, jj = items.length; j < jj; j++) {
+              if (typeof items[j] === "string") {
+                buildTextContentItem(items[j]);
+              } else if ((0, _util.isNum)(items[j])) {
+                ensureTextContentItem();
+                advance = items[j] * textState.fontSize / 1000;
+                var breakTextRun = false;
+
+                if (textState.font.vertical) {
+                  offset = advance;
+                  textState.translateTextMatrix(0, offset);
+                  breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                  if (!breakTextRun) {
+                    textContentItem.height += offset;
+                  }
+                } else {
+                  advance = -advance;
+                  offset = advance * textState.textHScale;
+                  textState.translateTextMatrix(offset, 0);
+                  breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax;
+
+                  if (!breakTextRun) {
+                    textContentItem.width += offset;
+                  }
+                }
+
+                if (breakTextRun) {
+                  flushTextContentItem();
+                } else if (advance > 0) {
+                  addFakeSpaces(advance, textContentItem.str);
+                }
+              }
+            }
+
+            break;
+
+          case _util.OPS.showText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            buildTextContentItem(args[0]);
+            break;
+
+          case _util.OPS.nextLineShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            flushTextContentItem();
+            textState.carriageReturn();
+            buildTextContentItem(args[0]);
+            break;
+
+          case _util.OPS.nextLineSetSpacingShowText:
+            if (!stateManager.state.font) {
+              self.ensureStateFont(stateManager.state);
+              continue;
+            }
+
+            flushTextContentItem();
+            textState.wordSpacing = args[0];
+            textState.charSpacing = args[1];
+            textState.carriageReturn();
+            buildTextContentItem(args[2]);
+            break;
+
+          case _util.OPS.paintXObject:
+            flushTextContentItem();
+
+            if (!xobjs) {
+              xobjs = resources.get("XObject") || _primitives.Dict.empty;
+            }
+
+            var name = args[0].name;
+
+            if (name && emptyXObjectCache.getByName(name)) {
+              break;
+            }
+
+            next(new Promise(function (resolveXObject, rejectXObject) {
+              if (!name) {
+                throw new _util.FormatError("XObject must be referred to by name.");
+              }
+
+              let xobj = xobjs.getRaw(name);
+
+              if (xobj instanceof _primitives.Ref) {
+                if (emptyXObjectCache.getByRef(xobj)) {
+                  resolveXObject();
+                  return;
+                }
+
+                xobj = xref.fetch(xobj);
+              }
+
+              if (!(0, _primitives.isStream)(xobj)) {
+                throw new _util.FormatError("XObject should be a stream");
+              }
+
+              const type = xobj.dict.get("Subtype");
+
+              if (!(0, _primitives.isName)(type)) {
+                throw new _util.FormatError("XObject should have a Name subtype");
+              }
+
+              if (type.name !== "Form") {
+                emptyXObjectCache.set(name, xobj.dict.objId, true);
+                resolveXObject();
+                return;
+              }
+
+              const currentState = stateManager.state.clone();
+              const xObjStateManager = new StateManager(currentState);
+              const matrix = xobj.dict.getArray("Matrix");
+
+              if (Array.isArray(matrix) && matrix.length === 6) {
+                xObjStateManager.transform(matrix);
+              }
+
+              enqueueChunk();
+              const sinkWrapper = {
+                enqueueInvoked: false,
+
+                enqueue(chunk, size) {
+                  this.enqueueInvoked = true;
+                  sink.enqueue(chunk, size);
+                },
+
+                get desiredSize() {
+                  return sink.desiredSize;
+                },
+
+                get ready() {
+                  return sink.ready;
+                }
+
+              };
+              self.getTextContent({
+                stream: xobj,
+                task,
+                resources: xobj.dict.get("Resources") || resources,
+                stateManager: xObjStateManager,
+                normalizeWhitespace,
+                combineTextItems,
+                sink: sinkWrapper,
+                seenStyles
+              }).then(function () {
+                if (!sinkWrapper.enqueueInvoked) {
+                  emptyXObjectCache.set(name, xobj.dict.objId, true);
+                }
+
+                resolveXObject();
+              }, rejectXObject);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                (0, _util.warn)(`getTextContent - ignoring XObject: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+
+          case _util.OPS.setGState:
+            name = args[0].name;
+
+            if (name && emptyGStateCache.getByName(name)) {
+              break;
+            }
+
+            next(new Promise(function (resolveGState, rejectGState) {
+              if (!name) {
+                throw new _util.FormatError("GState must be referred to by name.");
+              }
+
+              const extGState = resources.get("ExtGState");
+
+              if (!(extGState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("ExtGState should be a dictionary.");
+              }
+
+              const gState = extGState.get(name);
+
+              if (!(gState instanceof _primitives.Dict)) {
+                throw new _util.FormatError("GState should be a dictionary.");
+              }
+
+              const gStateFont = gState.get("Font");
+
+              if (!gStateFont) {
+                emptyGStateCache.set(name, gState.objId, true);
+                resolveGState();
+                return;
+              }
+
+              flushTextContentItem();
+              textState.fontName = null;
+              textState.fontSize = gStateFont[1];
+              handleSetFont(null, gStateFont[0]).then(resolveGState, rejectGState);
+            }).catch(function (reason) {
+              if (reason instanceof _util.AbortException) {
+                return;
+              }
+
+              if (self.options.ignoreErrors) {
+                (0, _util.warn)(`getTextContent - ignoring ExtGState: "${reason}".`);
+                return;
+              }
+
+              throw reason;
+            }));
+            return;
+        }
+
+        if (textContent.items.length >= sink.desiredSize) {
+          stop = true;
+          break;
+        }
+      }
+
+      if (stop) {
+        next(deferred);
+        return;
+      }
+
+      flushTextContentItem();
+      enqueueChunk();
+      resolve();
+    }).catch(reason => {
+      if (reason instanceof _util.AbortException) {
+        return;
+      }
+
+      if (this.options.ignoreErrors) {
+        (0, _util.warn)(`getTextContent - ignoring errors during "${task.name}" ` + `task: "${reason}".`);
+        flushTextContentItem();
+        enqueueChunk();
+        return;
+      }
+
+      throw reason;
+    });
+  }
+
+  extractDataStructures(dict, baseDict, properties) {
+    const xref = this.xref;
+    let cidToGidBytes;
+    var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+    var toUnicodePromise = toUnicode ? this.readToUnicode(toUnicode) : Promise.resolve(undefined);
+
+    if (properties.composite) {
+      var cidSystemInfo = dict.get("CIDSystemInfo");
+
+      if ((0, _primitives.isDict)(cidSystemInfo)) {
+        properties.cidSystemInfo = {
+          registry: (0, _util.stringToPDFString)(cidSystemInfo.get("Registry")),
+          ordering: (0, _util.stringToPDFString)(cidSystemInfo.get("Ordering")),
+          supplement: cidSystemInfo.get("Supplement")
+        };
+      }
+
+      var cidToGidMap = dict.get("CIDToGIDMap");
+
+      if ((0, _primitives.isStream)(cidToGidMap)) {
+        cidToGidBytes = cidToGidMap.getBytes();
+      }
+    }
+
+    var differences = [];
+    var baseEncodingName = null;
+    var encoding;
+
+    if (dict.has("Encoding")) {
+      encoding = dict.get("Encoding");
+
+      if ((0, _primitives.isDict)(encoding)) {
+        baseEncodingName = encoding.get("BaseEncoding");
+        baseEncodingName = (0, _primitives.isName)(baseEncodingName) ? baseEncodingName.name : null;
+
+        if (encoding.has("Differences")) {
+          var diffEncoding = encoding.get("Differences");
+          var index = 0;
+
+          for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
+            var data = xref.fetchIfRef(diffEncoding[j]);
+
+            if ((0, _util.isNum)(data)) {
+              index = data;
+            } else if ((0, _primitives.isName)(data)) {
+              differences[index++] = data.name;
+            } else {
+              throw new _util.FormatError(`Invalid entry in 'Differences' array: ${data}`);
+            }
+          }
+        }
+      } else if ((0, _primitives.isName)(encoding)) {
+        baseEncodingName = encoding.name;
+      } else {
+        throw new _util.FormatError("Encoding is not a Name nor a Dict");
+      }
+
+      if (baseEncodingName !== "MacRomanEncoding" && baseEncodingName !== "MacExpertEncoding" && baseEncodingName !== "WinAnsiEncoding") {
+        baseEncodingName = null;
+      }
+    }
+
+    if (baseEncodingName) {
+      properties.defaultEncoding = (0, _encodings.getEncoding)(baseEncodingName).slice();
+    } else {
+      var isSymbolicFont = !!(properties.flags & _fonts.FontFlags.Symbolic);
+      var isNonsymbolicFont = !!(properties.flags & _fonts.FontFlags.Nonsymbolic);
+      encoding = _encodings.StandardEncoding;
+
+      if (properties.type === "TrueType" && !isNonsymbolicFont) {
+        encoding = _encodings.WinAnsiEncoding;
+      }
+
+      if (isSymbolicFont) {
+        encoding = _encodings.MacRomanEncoding;
+
+        if (!properties.file) {
+          if (/Symbol/i.test(properties.name)) {
+            encoding = _encodings.SymbolSetEncoding;
+          } else if (/Dingbats|Wingdings/i.test(properties.name)) {
+            encoding = _encodings.ZapfDingbatsEncoding;
+          }
+        }
+      }
+
+      properties.defaultEncoding = encoding;
+    }
+
+    properties.differences = differences;
+    properties.baseEncodingName = baseEncodingName;
+    properties.hasEncoding = !!baseEncodingName || differences.length > 0;
+    properties.dict = dict;
+    return toUnicodePromise.then(readToUnicode => {
+      properties.toUnicode = readToUnicode;
+      return this.buildToUnicode(properties);
+    }).then(builtToUnicode => {
+      properties.toUnicode = builtToUnicode;
+
+      if (cidToGidBytes) {
+        properties.cidToGidMap = this.readCidToGidMap(cidToGidBytes, builtToUnicode);
+      }
+
+      return properties;
+    });
+  }
+
+  _buildSimpleFontToUnicode(properties, forceGlyphs = false) {
+    (0, _util.assert)(!properties.composite, "Must be a simple font.");
+    const toUnicode = [];
+    const encoding = properties.defaultEncoding.slice();
+    const baseEncodingName = properties.baseEncodingName;
+    const differences = properties.differences;
+
+    for (const charcode in differences) {
+      const glyphName = differences[charcode];
+
+      if (glyphName === ".notdef") {
+        continue;
+      }
+
+      encoding[charcode] = glyphName;
+    }
+
+    const glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+    for (const charcode in encoding) {
+      let glyphName = encoding[charcode];
+
+      if (glyphName === "") {
+        continue;
+      } else if (glyphsUnicodeMap[glyphName] === undefined) {
+        let code = 0;
+
+        switch (glyphName[0]) {
+          case "G":
+            if (glyphName.length === 3) {
+              code = parseInt(glyphName.substring(1), 16);
+            }
+
+            break;
+
+          case "g":
+            if (glyphName.length === 5) {
+              code = parseInt(glyphName.substring(1), 16);
+            }
+
+            break;
+
+          case "C":
+          case "c":
+            if (glyphName.length >= 3 && glyphName.length <= 4) {
+              const codeStr = glyphName.substring(1);
+
+              if (forceGlyphs) {
+                code = parseInt(codeStr, 16);
+                break;
+              }
+
+              code = +codeStr;
+
+              if (Number.isNaN(code) && Number.isInteger(parseInt(codeStr, 16))) {
+                return this._buildSimpleFontToUnicode(properties, true);
+              }
+            }
+
+            break;
+
+          default:
+            const unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+            if (unicode !== -1) {
+              code = unicode;
+            }
+
+        }
+
+        if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {
+          if (baseEncodingName && code === +charcode) {
+            const baseEncoding = (0, _encodings.getEncoding)(baseEncodingName);
+
+            if (baseEncoding && (glyphName = baseEncoding[charcode])) {
+              toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);
+              continue;
+            }
+          }
+
+          toUnicode[charcode] = String.fromCodePoint(code);
+        }
+
+        continue;
+      }
+
+      toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]);
+    }
+
+    return new _fonts.ToUnicodeMap(toUnicode);
+  }
+
+  buildToUnicode(properties) {
+    properties.hasIncludedToUnicodeMap = !!properties.toUnicode && properties.toUnicode.length > 0;
+
+    if (properties.hasIncludedToUnicodeMap) {
+      if (!properties.composite && properties.hasEncoding) {
+        properties.fallbackToUnicode = this._buildSimpleFontToUnicode(properties);
+      }
+
+      return Promise.resolve(properties.toUnicode);
+    }
+
+    if (!properties.composite) {
+      return Promise.resolve(this._buildSimpleFontToUnicode(properties));
+    }
+
+    if (properties.composite && (properties.cMap.builtInCMap && !(properties.cMap instanceof _cmap.IdentityCMap) || properties.cidSystemInfo.registry === "Adobe" && (properties.cidSystemInfo.ordering === "GB1" || properties.cidSystemInfo.ordering === "CNS1" || properties.cidSystemInfo.ordering === "Japan1" || properties.cidSystemInfo.ordering === "Korea1"))) {
+      const registry = properties.cidSystemInfo.registry;
+      const ordering = properties.cidSystemInfo.ordering;
+
+      const ucs2CMapName = _primitives.Name.get(registry + "-" + ordering + "-UCS2");
+
+      return _cmap.CMapFactory.create({
+        encoding: ucs2CMapName,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (ucs2CMap) {
+        const cMap = properties.cMap;
+        const toUnicode = [];
+        cMap.forEach(function (charcode, cid) {
+          if (cid > 0xffff) {
+            throw new _util.FormatError("Max size of CID is 65,535");
+          }
+
+          const ucs2 = ucs2CMap.lookup(cid);
+
+          if (ucs2) {
+            toUnicode[charcode] = String.fromCharCode((ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1));
+          }
+        });
+        return new _fonts.ToUnicodeMap(toUnicode);
+      });
+    }
+
+    return Promise.resolve(new _fonts.IdentityToUnicodeMap(properties.firstChar, properties.lastChar));
+  }
+
+  readToUnicode(toUnicode) {
+    var cmapObj = toUnicode;
+
+    if ((0, _primitives.isName)(cmapObj)) {
+      return _cmap.CMapFactory.create({
+        encoding: cmapObj,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cmap) {
+        if (cmap instanceof _cmap.IdentityCMap) {
+          return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+        }
+
+        return new _fonts.ToUnicodeMap(cmap.getMap());
+      });
+    } else if ((0, _primitives.isStream)(cmapObj)) {
+      return _cmap.CMapFactory.create({
+        encoding: cmapObj,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cmap) {
+        if (cmap instanceof _cmap.IdentityCMap) {
+          return new _fonts.IdentityToUnicodeMap(0, 0xffff);
+        }
+
+        var map = new Array(cmap.length);
+        cmap.forEach(function (charCode, token) {
+          var str = [];
+
+          for (var k = 0; k < token.length; k += 2) {
+            var w1 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+
+            if ((w1 & 0xf800) !== 0xd800) {
+              str.push(w1);
+              continue;
+            }
+
+            k += 2;
+            var w2 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1);
+            str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);
+          }
+
+          map[charCode] = String.fromCodePoint.apply(String, str);
+        });
+        return new _fonts.ToUnicodeMap(map);
+      }, reason => {
+        if (reason instanceof _util.AbortException) {
+          return null;
+        }
+
+        if (this.options.ignoreErrors) {
+          this.handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontToUnicode
+          });
+          (0, _util.warn)(`readToUnicode - ignoring ToUnicode data: "${reason}".`);
+          return null;
+        }
+
+        throw reason;
+      });
+    }
+
+    return Promise.resolve(null);
+  }
+
+  readCidToGidMap(glyphsData, toUnicode) {
+    var result = [];
+
+    for (var j = 0, jj = glyphsData.length; j < jj; j++) {
+      var glyphID = glyphsData[j++] << 8 | glyphsData[j];
+      const code = j >> 1;
+
+      if (glyphID === 0 && !toUnicode.has(code)) {
+        continue;
+      }
+
+      result[code] = glyphID;
+    }
+
+    return result;
+  }
+
+  extractWidths(dict, descriptor, properties) {
+    var xref = this.xref;
+    var glyphsWidths = [];
+    var defaultWidth = 0;
+    var glyphsVMetrics = [];
+    var defaultVMetrics;
+    var i, ii, j, jj, start, code, widths;
+
+    if (properties.composite) {
+      defaultWidth = dict.has("DW") ? dict.get("DW") : 1000;
+      widths = dict.get("W");
+
+      if (widths) {
+        for (i = 0, ii = widths.length; i < ii; i++) {
+          start = xref.fetchIfRef(widths[i++]);
+          code = xref.fetchIfRef(widths[i]);
+
+          if (Array.isArray(code)) {
+            for (j = 0, jj = code.length; j < jj; j++) {
+              glyphsWidths[start++] = xref.fetchIfRef(code[j]);
+            }
+          } else {
+            var width = xref.fetchIfRef(widths[++i]);
+
+            for (j = start; j <= code; j++) {
+              glyphsWidths[j] = width;
+            }
+          }
+        }
+      }
+
+      if (properties.vertical) {
+        var vmetrics = dict.getArray("DW2") || [880, -1000];
+        defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];
+        vmetrics = dict.get("W2");
+
+        if (vmetrics) {
+          for (i = 0, ii = vmetrics.length; i < ii; i++) {
+            start = xref.fetchIfRef(vmetrics[i++]);
+            code = xref.fetchIfRef(vmetrics[i]);
+
+            if (Array.isArray(code)) {
+              for (j = 0, jj = code.length; j < jj; j++) {
+                glyphsVMetrics[start++] = [xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j++]), xref.fetchIfRef(code[j])];
+              }
+            } else {
+              var vmetric = [xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i]), xref.fetchIfRef(vmetrics[++i])];
+
+              for (j = start; j <= code; j++) {
+                glyphsVMetrics[j] = vmetric;
+              }
+            }
+          }
+        }
+      }
+    } else {
+      var firstChar = properties.firstChar;
+      widths = dict.get("Widths");
+
+      if (widths) {
+        j = firstChar;
+
+        for (i = 0, ii = widths.length; i < ii; i++) {
+          glyphsWidths[j++] = xref.fetchIfRef(widths[i]);
+        }
+
+        defaultWidth = parseFloat(descriptor.get("MissingWidth")) || 0;
+      } else {
+        var baseFontName = dict.get("BaseFont");
+
+        if ((0, _primitives.isName)(baseFontName)) {
+          var metrics = this.getBaseFontMetrics(baseFontName.name);
+          glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties);
+          defaultWidth = metrics.defaultWidth;
+        }
+      }
+    }
+
+    var isMonospace = true;
+    var firstWidth = defaultWidth;
+
+    for (var glyph in glyphsWidths) {
+      var glyphWidth = glyphsWidths[glyph];
+
+      if (!glyphWidth) {
+        continue;
+      }
+
+      if (!firstWidth) {
+        firstWidth = glyphWidth;
+        continue;
+      }
+
+      if (firstWidth !== glyphWidth) {
+        isMonospace = false;
+        break;
+      }
+    }
+
+    if (isMonospace) {
+      properties.flags |= _fonts.FontFlags.FixedPitch;
+    }
+
+    properties.defaultWidth = defaultWidth;
+    properties.widths = glyphsWidths;
+    properties.defaultVMetrics = defaultVMetrics;
+    properties.vmetrics = glyphsVMetrics;
+  }
+
+  isSerifFont(baseFontName) {
+    var fontNameWoStyle = baseFontName.split("-")[0];
+    return fontNameWoStyle in (0, _standard_fonts.getSerifFonts)() || fontNameWoStyle.search(/serif/gi) !== -1;
+  }
+
+  getBaseFontMetrics(name) {
+    var defaultWidth = 0;
+    var widths = [];
+    var monospace = false;
+    var stdFontMap = (0, _standard_fonts.getStdFontMap)();
+    var lookupName = stdFontMap[name] || name;
+    var Metrics = (0, _metrics.getMetrics)();
+
+    if (!(lookupName in Metrics)) {
+      if (this.isSerifFont(name)) {
+        lookupName = "Times-Roman";
+      } else {
+        lookupName = "Helvetica";
+      }
+    }
+
+    var glyphWidths = Metrics[lookupName];
+
+    if ((0, _util.isNum)(glyphWidths)) {
+      defaultWidth = glyphWidths;
+      monospace = true;
+    } else {
+      widths = glyphWidths();
+    }
+
+    return {
+      defaultWidth,
+      monospace,
+      widths
+    };
+  }
+
+  buildCharCodeToWidth(widthsByGlyphName, properties) {
+    var widths = Object.create(null);
+    var differences = properties.differences;
+    var encoding = properties.defaultEncoding;
+
+    for (var charCode = 0; charCode < 256; charCode++) {
+      if (charCode in differences && widthsByGlyphName[differences[charCode]]) {
+        widths[charCode] = widthsByGlyphName[differences[charCode]];
+        continue;
+      }
+
+      if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {
+        widths[charCode] = widthsByGlyphName[encoding[charCode]];
+        continue;
+      }
+    }
+
+    return widths;
+  }
+
+  preEvaluateFont(dict) {
+    var baseDict = dict;
+    var type = dict.get("Subtype");
+
+    if (!(0, _primitives.isName)(type)) {
+      throw new _util.FormatError("invalid font Subtype");
+    }
+
+    var composite = false;
+    var uint8array;
+
+    if (type.name === "Type0") {
+      var df = dict.get("DescendantFonts");
+
+      if (!df) {
+        throw new _util.FormatError("Descendant fonts are not specified");
+      }
+
+      dict = Array.isArray(df) ? this.xref.fetchIfRef(df[0]) : df;
+      type = dict.get("Subtype");
+
+      if (!(0, _primitives.isName)(type)) {
+        throw new _util.FormatError("invalid font Subtype");
+      }
+
+      composite = true;
+    }
+
+    var descriptor = dict.get("FontDescriptor");
+
+    if (descriptor) {
+      var hash = new _murmurhash.MurmurHash3_64();
+      var encoding = baseDict.getRaw("Encoding");
+
+      if ((0, _primitives.isName)(encoding)) {
+        hash.update(encoding.name);
+      } else if ((0, _primitives.isRef)(encoding)) {
+        hash.update(encoding.toString());
+      } else if ((0, _primitives.isDict)(encoding)) {
+        for (const entry of encoding.getRawValues()) {
+          if ((0, _primitives.isName)(entry)) {
+            hash.update(entry.name);
+          } else if ((0, _primitives.isRef)(entry)) {
+            hash.update(entry.toString());
+          } else if (Array.isArray(entry)) {
+            var diffLength = entry.length,
+                diffBuf = new Array(diffLength);
+
+            for (var j = 0; j < diffLength; j++) {
+              var diffEntry = entry[j];
+
+              if ((0, _primitives.isName)(diffEntry)) {
+                diffBuf[j] = diffEntry.name;
+              } else if ((0, _util.isNum)(diffEntry) || (0, _primitives.isRef)(diffEntry)) {
+                diffBuf[j] = diffEntry.toString();
+              }
+            }
+
+            hash.update(diffBuf.join());
+          }
+        }
+      }
+
+      const firstChar = dict.get("FirstChar") || 0;
+      const lastChar = dict.get("LastChar") || (composite ? 0xffff : 0xff);
+      hash.update(`${firstChar}-${lastChar}`);
+      var toUnicode = dict.get("ToUnicode") || baseDict.get("ToUnicode");
+
+      if ((0, _primitives.isStream)(toUnicode)) {
+        var stream = toUnicode.str || toUnicode;
+        uint8array = stream.buffer ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : new Uint8Array(stream.bytes.buffer, stream.start, stream.end - stream.start);
+        hash.update(uint8array);
+      } else if ((0, _primitives.isName)(toUnicode)) {
+        hash.update(toUnicode.name);
+      }
+
+      var widths = dict.get("Widths") || baseDict.get("Widths");
+
+      if (widths) {
+        uint8array = new Uint8Array(new Uint32Array(widths).buffer);
+        hash.update(uint8array);
+      }
+    }
+
+    return {
+      descriptor,
+      dict,
+      baseDict,
+      composite,
+      type: type.name,
+      hash: hash ? hash.hexdigest() : ""
+    };
+  }
+
+  translateFont(preEvaluatedFont) {
+    var baseDict = preEvaluatedFont.baseDict;
+    var dict = preEvaluatedFont.dict;
+    var composite = preEvaluatedFont.composite;
+    var descriptor = preEvaluatedFont.descriptor;
+    var type = preEvaluatedFont.type;
+    var maxCharIndex = composite ? 0xffff : 0xff;
+    var properties;
+    const firstChar = dict.get("FirstChar") || 0;
+    const lastChar = dict.get("LastChar") || maxCharIndex;
+
+    if (!descriptor) {
+      if (type === "Type3") {
+        descriptor = new _primitives.Dict(null);
+        descriptor.set("FontName", _primitives.Name.get(type));
+        descriptor.set("FontBBox", dict.getArray("FontBBox") || [0, 0, 0, 0]);
+      } else {
+        var baseFontName = dict.get("BaseFont");
+
+        if (!(0, _primitives.isName)(baseFontName)) {
+          throw new _util.FormatError("Base font is not specified");
+        }
+
+        baseFontName = baseFontName.name.replace(/[,_]/g, "-");
+        var metrics = this.getBaseFontMetrics(baseFontName);
+        var fontNameWoStyle = baseFontName.split("-")[0];
+        var flags = (this.isSerifFont(fontNameWoStyle) ? _fonts.FontFlags.Serif : 0) | (metrics.monospace ? _fonts.FontFlags.FixedPitch : 0) | ((0, _standard_fonts.getSymbolsFonts)()[fontNameWoStyle] ? _fonts.FontFlags.Symbolic : _fonts.FontFlags.Nonsymbolic);
+        properties = {
+          type,
+          name: baseFontName,
+          widths: metrics.widths,
+          defaultWidth: metrics.defaultWidth,
+          flags,
+          firstChar,
+          lastChar
+        };
+        const widths = dict.get("Widths");
+        return this.extractDataStructures(dict, dict, properties).then(newProperties => {
+          if (widths) {
+            const glyphWidths = [];
+            let j = firstChar;
+
+            for (let i = 0, ii = widths.length; i < ii; i++) {
+              glyphWidths[j++] = this.xref.fetchIfRef(widths[i]);
+            }
+
+            newProperties.widths = glyphWidths;
+          } else {
+            newProperties.widths = this.buildCharCodeToWidth(metrics.widths, newProperties);
+          }
+
+          return new _fonts.Font(baseFontName, null, newProperties);
+        });
+      }
+    }
+
+    var fontName = descriptor.get("FontName");
+    var baseFont = dict.get("BaseFont");
+
+    if ((0, _util.isString)(fontName)) {
+      fontName = _primitives.Name.get(fontName);
+    }
+
+    if ((0, _util.isString)(baseFont)) {
+      baseFont = _primitives.Name.get(baseFont);
+    }
+
+    if (type !== "Type3") {
+      var fontNameStr = fontName && fontName.name;
+      var baseFontStr = baseFont && baseFont.name;
+
+      if (fontNameStr !== baseFontStr) {
+        (0, _util.info)(`The FontDescriptor\'s FontName is "${fontNameStr}" but ` + `should be the same as the Font\'s BaseFont "${baseFontStr}".`);
+
+        if (fontNameStr && baseFontStr && baseFontStr.startsWith(fontNameStr)) {
+          fontName = baseFont;
+        }
+      }
+    }
+
+    fontName = fontName || baseFont;
+
+    if (!(0, _primitives.isName)(fontName)) {
+      throw new _util.FormatError("invalid font name");
+    }
+
+    var fontFile = descriptor.get("FontFile", "FontFile2", "FontFile3");
+
+    if (fontFile) {
+      if (fontFile.dict) {
+        var subtype = fontFile.dict.get("Subtype");
+
+        if (subtype) {
+          subtype = subtype.name;
+        }
+
+        var length1 = fontFile.dict.get("Length1");
+        var length2 = fontFile.dict.get("Length2");
+        var length3 = fontFile.dict.get("Length3");
+      }
+    }
+
+    properties = {
+      type,
+      name: fontName.name,
+      subtype,
+      file: fontFile,
+      length1,
+      length2,
+      length3,
+      loadedName: baseDict.loadedName,
+      composite,
+      fixedPitch: false,
+      fontMatrix: dict.getArray("FontMatrix") || _util.FONT_IDENTITY_MATRIX,
+      firstChar: firstChar || 0,
+      lastChar: lastChar || maxCharIndex,
+      bbox: descriptor.getArray("FontBBox"),
+      ascent: descriptor.get("Ascent"),
+      descent: descriptor.get("Descent"),
+      xHeight: descriptor.get("XHeight"),
+      capHeight: descriptor.get("CapHeight"),
+      flags: descriptor.get("Flags"),
+      italicAngle: descriptor.get("ItalicAngle"),
+      isType3Font: false
+    };
+    var cMapPromise;
+
+    if (composite) {
+      var cidEncoding = baseDict.get("Encoding");
+
+      if ((0, _primitives.isName)(cidEncoding)) {
+        properties.cidEncoding = cidEncoding.name;
+      }
+
+      cMapPromise = _cmap.CMapFactory.create({
+        encoding: cidEncoding,
+        fetchBuiltInCMap: this._fetchBuiltInCMapBound,
+        useCMap: null
+      }).then(function (cMap) {
+        properties.cMap = cMap;
+        properties.vertical = properties.cMap.vertical;
+      });
+    } else {
+      cMapPromise = Promise.resolve(undefined);
+    }
+
+    return cMapPromise.then(() => {
+      return this.extractDataStructures(dict, baseDict, properties);
+    }).then(newProperties => {
+      this.extractWidths(dict, descriptor, newProperties);
+
+      if (type === "Type3") {
+        newProperties.isType3Font = true;
+      }
+
+      return new _fonts.Font(fontName.name, fontFile, newProperties);
+    });
+  }
+
+  static buildFontPaths(font, glyphs, handler) {
+    function buildPath(fontChar) {
+      if (font.renderer.hasBuiltPath(fontChar)) {
+        return;
+      }
+
+      handler.send("commonobj", [`${font.loadedName}_path_${fontChar}`, "FontPath", font.renderer.getPathJs(fontChar)]);
+    }
+
+    for (const glyph of glyphs) {
+      buildPath(glyph.fontChar);
+      const accent = glyph.accent;
+
+      if (accent && accent.fontChar) {
+        buildPath(accent.fontChar);
+      }
+    }
+  }
+
+  static get fallbackFontDict() {
+    const dict = new _primitives.Dict();
+    dict.set("BaseFont", _primitives.Name.get("PDFJS-FallbackFont"));
+    dict.set("Type", _primitives.Name.get("FallbackType"));
+    dict.set("Subtype", _primitives.Name.get("FallbackType"));
+    dict.set("Encoding", _primitives.Name.get("WinAnsiEncoding"));
+    return (0, _util.shadow)(this, "fallbackFontDict", dict);
+  }
+
+}
+
+exports.PartialEvaluator = PartialEvaluator;
+
+class TranslatedFont {
+  constructor({
+    loadedName,
+    font,
+    dict,
+    extraProperties = false
+  }) {
+    this.loadedName = loadedName;
+    this.font = font;
+    this.dict = dict;
+    this._extraProperties = extraProperties;
+    this.type3Loaded = null;
+    this.type3Dependencies = font.isType3Font ? new Set() : null;
+    this.sent = false;
+  }
+
+  send(handler) {
+    if (this.sent) {
+      return;
+    }
+
+    this.sent = true;
+    handler.send("commonobj", [this.loadedName, "Font", this.font.exportData(this._extraProperties)]);
+  }
+
+  fallback(handler) {
+    if (!this.font.data) {
+      return;
+    }
+
+    this.font.disableFontFace = true;
+    const glyphs = this.font.glyphCacheValues;
+    PartialEvaluator.buildFontPaths(this.font, glyphs, handler);
+  }
+
+  loadType3Data(evaluator, resources, task) {
+    if (this.type3Loaded) {
+      return this.type3Loaded;
+    }
+
+    if (!this.font.isType3Font) {
+      throw new Error("Must be a Type3 font.");
+    }
+
+    var type3Options = Object.create(evaluator.options);
+    type3Options.ignoreErrors = false;
+    var type3Evaluator = evaluator.clone(type3Options);
+    type3Evaluator.parsingType3Font = true;
+    const translatedFont = this.font,
+          type3Dependencies = this.type3Dependencies;
+    var loadCharProcsPromise = Promise.resolve();
+    var charProcs = this.dict.get("CharProcs");
+    var fontResources = this.dict.get("Resources") || resources;
+    var charProcOperatorList = Object.create(null);
+
+    for (const key of charProcs.getKeys()) {
+      loadCharProcsPromise = loadCharProcsPromise.then(function () {
+        var glyphStream = charProcs.get(key);
+        var operatorList = new _operator_list.OperatorList();
+        return type3Evaluator.getOperatorList({
+          stream: glyphStream,
+          task,
+          resources: fontResources,
+          operatorList
+        }).then(function () {
+          charProcOperatorList[key] = operatorList.getIR();
+
+          for (const dependency of operatorList.dependencies) {
+            type3Dependencies.add(dependency);
+          }
+        }).catch(function (reason) {
+          (0, _util.warn)(`Type3 font resource "${key}" is not available.`);
+          const dummyOperatorList = new _operator_list.OperatorList();
+          charProcOperatorList[key] = dummyOperatorList.getIR();
+        });
+      });
+    }
+
+    this.type3Loaded = loadCharProcsPromise.then(function () {
+      translatedFont.charProcOperatorList = charProcOperatorList;
+    });
+    return this.type3Loaded;
+  }
+
+}
+
+class StateManager {
+  constructor(initialState) {
+    this.state = initialState;
+    this.stateStack = [];
+  }
+
+  save() {
+    var old = this.state;
+    this.stateStack.push(this.state);
+    this.state = old.clone();
+  }
+
+  restore() {
+    var prev = this.stateStack.pop();
+
+    if (prev) {
+      this.state = prev;
+    }
+  }
+
+  transform(args) {
+    this.state.ctm = _util.Util.transform(this.state.ctm, args);
+  }
+
+}
+
+class TextState {
+  constructor() {
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.fontName = null;
+    this.fontSize = 0;
+    this.font = null;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.textMatrix = _util.IDENTITY_MATRIX.slice();
+    this.textLineMatrix = _util.IDENTITY_MATRIX.slice();
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.leading = 0;
+    this.textHScale = 1;
+    this.textRise = 0;
+  }
+
+  setTextMatrix(a, b, c, d, e, f) {
+    var m = this.textMatrix;
+    m[0] = a;
+    m[1] = b;
+    m[2] = c;
+    m[3] = d;
+    m[4] = e;
+    m[5] = f;
+  }
+
+  setTextLineMatrix(a, b, c, d, e, f) {
+    var m = this.textLineMatrix;
+    m[0] = a;
+    m[1] = b;
+    m[2] = c;
+    m[3] = d;
+    m[4] = e;
+    m[5] = f;
+  }
+
+  translateTextMatrix(x, y) {
+    var m = this.textMatrix;
+    m[4] = m[0] * x + m[2] * y + m[4];
+    m[5] = m[1] * x + m[3] * y + m[5];
+  }
+
+  translateTextLineMatrix(x, y) {
+    var m = this.textLineMatrix;
+    m[4] = m[0] * x + m[2] * y + m[4];
+    m[5] = m[1] * x + m[3] * y + m[5];
+  }
+
+  calcTextLineMatrixAdvance(a, b, c, d, e, f) {
+    var font = this.font;
+
+    if (!font) {
+      return null;
+    }
+
+    var m = this.textLineMatrix;
+
+    if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) {
+      return null;
+    }
+
+    var txDiff = e - m[4],
+        tyDiff = f - m[5];
+
+    if (font.vertical && txDiff !== 0 || !font.vertical && tyDiff !== 0) {
+      return null;
+    }
+
+    var tx,
+        ty,
+        denominator = a * d - b * c;
+
+    if (font.vertical) {
+      tx = -tyDiff * c / denominator;
+      ty = tyDiff * a / denominator;
+    } else {
+      tx = txDiff * d / denominator;
+      ty = -txDiff * b / denominator;
+    }
+
+    return {
+      width: tx,
+      height: ty,
+      value: font.vertical ? ty : tx
+    };
+  }
+
+  calcRenderMatrix(ctm) {
+    var tsm = [this.fontSize * this.textHScale, 0, 0, this.fontSize, 0, this.textRise];
+    return _util.Util.transform(ctm, _util.Util.transform(this.textMatrix, tsm));
+  }
+
+  carriageReturn() {
+    this.translateTextLineMatrix(0, -this.leading);
+    this.textMatrix = this.textLineMatrix.slice();
+  }
+
+  clone() {
+    var clone = Object.create(this);
+    clone.textMatrix = this.textMatrix.slice();
+    clone.textLineMatrix = this.textLineMatrix.slice();
+    clone.fontMatrix = this.fontMatrix.slice();
+    return clone;
+  }
+
+}
+
+class EvalState {
+  constructor() {
+    this.ctm = new Float32Array(_util.IDENTITY_MATRIX);
+    this.font = null;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.fillColorSpace = _colorspace.ColorSpace.singletons.gray;
+    this.strokeColorSpace = _colorspace.ColorSpace.singletons.gray;
+  }
+
+  clone() {
+    return Object.create(this);
+  }
+
+}
+
+class EvaluatorPreprocessor {
+  static get opMap() {
+    const getOPMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+      t.w = {
+        id: _util.OPS.setLineWidth,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.J = {
+        id: _util.OPS.setLineCap,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.j = {
+        id: _util.OPS.setLineJoin,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.M = {
+        id: _util.OPS.setMiterLimit,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.d = {
+        id: _util.OPS.setDash,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.ri = {
+        id: _util.OPS.setRenderingIntent,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.i = {
+        id: _util.OPS.setFlatness,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.gs = {
+        id: _util.OPS.setGState,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.q = {
+        id: _util.OPS.save,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Q = {
+        id: _util.OPS.restore,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.cm = {
+        id: _util.OPS.transform,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.m = {
+        id: _util.OPS.moveTo,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.l = {
+        id: _util.OPS.lineTo,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.c = {
+        id: _util.OPS.curveTo,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.v = {
+        id: _util.OPS.curveTo2,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.y = {
+        id: _util.OPS.curveTo3,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.h = {
+        id: _util.OPS.closePath,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.re = {
+        id: _util.OPS.rectangle,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.S = {
+        id: _util.OPS.stroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.s = {
+        id: _util.OPS.closeStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.f = {
+        id: _util.OPS.fill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.F = {
+        id: _util.OPS.fill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["f*"] = {
+        id: _util.OPS.eoFill,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.B = {
+        id: _util.OPS.fillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["B*"] = {
+        id: _util.OPS.eoFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.b = {
+        id: _util.OPS.closeFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["b*"] = {
+        id: _util.OPS.closeEOFillStroke,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.n = {
+        id: _util.OPS.endPath,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.W = {
+        id: _util.OPS.clip,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t["W*"] = {
+        id: _util.OPS.eoClip,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BT = {
+        id: _util.OPS.beginText,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.ET = {
+        id: _util.OPS.endText,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Tc = {
+        id: _util.OPS.setCharSpacing,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tw = {
+        id: _util.OPS.setWordSpacing,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tz = {
+        id: _util.OPS.setHScale,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.TL = {
+        id: _util.OPS.setLeading,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Tf = {
+        id: _util.OPS.setFont,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.Tr = {
+        id: _util.OPS.setTextRenderingMode,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Ts = {
+        id: _util.OPS.setTextRise,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Td = {
+        id: _util.OPS.moveText,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.TD = {
+        id: _util.OPS.setLeadingMoveText,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.Tm = {
+        id: _util.OPS.setTextMatrix,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t["T*"] = {
+        id: _util.OPS.nextLine,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.Tj = {
+        id: _util.OPS.showText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.TJ = {
+        id: _util.OPS.showSpacedText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t["'"] = {
+        id: _util.OPS.nextLineShowText,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t['"'] = {
+        id: _util.OPS.nextLineSetSpacingShowText,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.d0 = {
+        id: _util.OPS.setCharWidth,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.d1 = {
+        id: _util.OPS.setCharWidthAndBounds,
+        numArgs: 6,
+        variableArgs: false
+      };
+      t.CS = {
+        id: _util.OPS.setStrokeColorSpace,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.cs = {
+        id: _util.OPS.setFillColorSpace,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.SC = {
+        id: _util.OPS.setStrokeColor,
+        numArgs: 4,
+        variableArgs: true
+      };
+      t.SCN = {
+        id: _util.OPS.setStrokeColorN,
+        numArgs: 33,
+        variableArgs: true
+      };
+      t.sc = {
+        id: _util.OPS.setFillColor,
+        numArgs: 4,
+        variableArgs: true
+      };
+      t.scn = {
+        id: _util.OPS.setFillColorN,
+        numArgs: 33,
+        variableArgs: true
+      };
+      t.G = {
+        id: _util.OPS.setStrokeGray,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.g = {
+        id: _util.OPS.setFillGray,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.RG = {
+        id: _util.OPS.setStrokeRGBColor,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.rg = {
+        id: _util.OPS.setFillRGBColor,
+        numArgs: 3,
+        variableArgs: false
+      };
+      t.K = {
+        id: _util.OPS.setStrokeCMYKColor,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.k = {
+        id: _util.OPS.setFillCMYKColor,
+        numArgs: 4,
+        variableArgs: false
+      };
+      t.sh = {
+        id: _util.OPS.shadingFill,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.BI = {
+        id: _util.OPS.beginInlineImage,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.ID = {
+        id: _util.OPS.beginImageData,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.EI = {
+        id: _util.OPS.endInlineImage,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.Do = {
+        id: _util.OPS.paintXObject,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.MP = {
+        id: _util.OPS.markPoint,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.DP = {
+        id: _util.OPS.markPointProps,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.BMC = {
+        id: _util.OPS.beginMarkedContent,
+        numArgs: 1,
+        variableArgs: false
+      };
+      t.BDC = {
+        id: _util.OPS.beginMarkedContentProps,
+        numArgs: 2,
+        variableArgs: false
+      };
+      t.EMC = {
+        id: _util.OPS.endMarkedContent,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BX = {
+        id: _util.OPS.beginCompat,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.EX = {
+        id: _util.OPS.endCompat,
+        numArgs: 0,
+        variableArgs: false
+      };
+      t.BM = null;
+      t.BD = null;
+      t.true = null;
+      t.fa = null;
+      t.fal = null;
+      t.fals = null;
+      t.false = null;
+      t.nu = null;
+      t.nul = null;
+      t.null = null;
+    });
+    return (0, _util.shadow)(this, "opMap", getOPMap());
+  }
+
+  static get MAX_INVALID_PATH_OPS() {
+    return (0, _util.shadow)(this, "MAX_INVALID_PATH_OPS", 20);
+  }
+
+  constructor(stream, xref, stateManager) {
+    this.parser = new _parser.Parser({
+      lexer: new _parser.Lexer(stream, EvaluatorPreprocessor.opMap),
+      xref
+    });
+    this.stateManager = stateManager;
+    this.nonProcessedArgs = [];
+    this._numInvalidPathOPS = 0;
+  }
+
+  get savedStatesDepth() {
+    return this.stateManager.stateStack.length;
+  }
+
+  read(operation) {
+    var args = operation.args;
+
+    while (true) {
+      var obj = this.parser.getObj();
+
+      if (obj instanceof _primitives.Cmd) {
+        var cmd = obj.cmd;
+        var opSpec = EvaluatorPreprocessor.opMap[cmd];
+
+        if (!opSpec) {
+          (0, _util.warn)(`Unknown command "${cmd}".`);
+          continue;
+        }
+
+        var fn = opSpec.id;
+        var numArgs = opSpec.numArgs;
+        var argsLength = args !== null ? args.length : 0;
+
+        if (!opSpec.variableArgs) {
+          if (argsLength !== numArgs) {
+            var nonProcessedArgs = this.nonProcessedArgs;
+
+            while (argsLength > numArgs) {
+              nonProcessedArgs.push(args.shift());
+              argsLength--;
+            }
+
+            while (argsLength < numArgs && nonProcessedArgs.length !== 0) {
+              if (args === null) {
+                args = [];
+              }
+
+              args.unshift(nonProcessedArgs.pop());
+              argsLength++;
+            }
+          }
+
+          if (argsLength < numArgs) {
+            const partialMsg = `command ${cmd}: expected ${numArgs} args, ` + `but received ${argsLength} args.`;
+
+            if (fn >= _util.OPS.moveTo && fn <= _util.OPS.endPath && ++this._numInvalidPathOPS > EvaluatorPreprocessor.MAX_INVALID_PATH_OPS) {
+              throw new _util.FormatError(`Invalid ${partialMsg}`);
+            }
+
+            (0, _util.warn)(`Skipping ${partialMsg}`);
+
+            if (args !== null) {
+              args.length = 0;
+            }
+
+            continue;
+          }
+        } else if (argsLength > numArgs) {
+          (0, _util.info)(`Command ${cmd}: expected [0, ${numArgs}] args, ` + `but received ${argsLength} args.`);
+        }
+
+        this.preprocessCommand(fn, args);
+        operation.fn = fn;
+        operation.args = args;
+        return true;
+      }
+
+      if (obj === _primitives.EOF) {
+        return false;
+      }
+
+      if (obj !== null) {
+        if (args === null) {
+          args = [];
+        }
+
+        args.push(obj);
+
+        if (args.length > 33) {
+          throw new _util.FormatError("Too many arguments");
+        }
+      }
+    }
+  }
+
+  preprocessCommand(fn, args) {
+    switch (fn | 0) {
+      case _util.OPS.save:
+        this.stateManager.save();
+        break;
+
+      case _util.OPS.restore:
+        this.stateManager.restore();
+        break;
+
+      case _util.OPS.transform:
+        this.stateManager.transform(args);
+        break;
+    }
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/font_renderer.js b/node_modules/pdfjs-dist/lib/core/font_renderer.js
new file mode 100644
index 00000000..2028563d
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/font_renderer.js
@@ -0,0 +1,981 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontRendererFactory = void 0;
+
+var _util = require("../shared/util.js");
+
+var _cff_parser = require("./cff_parser.js");
+
+var _glyphlist = require("./glyphlist.js");
+
+var _encodings = require("./encodings.js");
+
+var _stream = require("./stream.js");
+
+var FontRendererFactory = function FontRendererFactoryClosure() {
+  function getLong(data, offset) {
+    return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+  }
+
+  function getUshort(data, offset) {
+    return data[offset] << 8 | data[offset + 1];
+  }
+
+  function getSubroutineBias(subrs) {
+    const numSubrs = subrs.length;
+    let bias = 32768;
+
+    if (numSubrs < 1240) {
+      bias = 107;
+    } else if (numSubrs < 33900) {
+      bias = 1131;
+    }
+
+    return bias;
+  }
+
+  function parseCmap(data, start, end) {
+    var offset = getUshort(data, start + 2) === 1 ? getLong(data, start + 8) : getLong(data, start + 16);
+    var format = getUshort(data, start + offset);
+    var ranges, p, i;
+
+    if (format === 4) {
+      getUshort(data, start + offset + 2);
+      var segCount = getUshort(data, start + offset + 6) >> 1;
+      p = start + offset + 14;
+      ranges = [];
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i] = {
+          end: getUshort(data, p)
+        };
+      }
+
+      p += 2;
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].start = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        ranges[i].idDelta = getUshort(data, p);
+      }
+
+      for (i = 0; i < segCount; i++, p += 2) {
+        var idOffset = getUshort(data, p);
+
+        if (idOffset === 0) {
+          continue;
+        }
+
+        ranges[i].ids = [];
+
+        for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) {
+          ranges[i].ids[j] = getUshort(data, p + idOffset);
+          idOffset += 2;
+        }
+      }
+
+      return ranges;
+    } else if (format === 12) {
+      getLong(data, start + offset + 4);
+      var groups = getLong(data, start + offset + 12);
+      p = start + offset + 16;
+      ranges = [];
+
+      for (i = 0; i < groups; i++) {
+        ranges.push({
+          start: getLong(data, p),
+          end: getLong(data, p + 4),
+          idDelta: getLong(data, p + 8) - getLong(data, p)
+        });
+        p += 12;
+      }
+
+      return ranges;
+    }
+
+    throw new _util.FormatError(`unsupported cmap: ${format}`);
+  }
+
+  function parseCff(data, start, end, seacAnalysisEnabled) {
+    var properties = {};
+    var parser = new _cff_parser.CFFParser(new _stream.Stream(data, start, end - start), properties, seacAnalysisEnabled);
+    var cff = parser.parse();
+    return {
+      glyphs: cff.charStrings.objects,
+      subrs: cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && cff.topDict.privateDict.subrsIndex.objects,
+      gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects,
+      isCFFCIDFont: cff.isCIDFont,
+      fdSelect: cff.fdSelect,
+      fdArray: cff.fdArray
+    };
+  }
+
+  function parseGlyfTable(glyf, loca, isGlyphLocationsLong) {
+    var itemSize, itemDecode;
+
+    if (isGlyphLocationsLong) {
+      itemSize = 4;
+
+      itemDecode = function fontItemDecodeLong(data, offset) {
+        return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+      };
+    } else {
+      itemSize = 2;
+
+      itemDecode = function fontItemDecode(data, offset) {
+        return data[offset] << 9 | data[offset + 1] << 1;
+      };
+    }
+
+    var glyphs = [];
+    var startOffset = itemDecode(loca, 0);
+
+    for (var j = itemSize; j < loca.length; j += itemSize) {
+      var endOffset = itemDecode(loca, j);
+      glyphs.push(glyf.subarray(startOffset, endOffset));
+      startOffset = endOffset;
+    }
+
+    return glyphs;
+  }
+
+  function lookupCmap(ranges, unicode) {
+    var code = unicode.codePointAt(0),
+        gid = 0;
+    var l = 0,
+        r = ranges.length - 1;
+
+    while (l < r) {
+      var c = l + r + 1 >> 1;
+
+      if (code < ranges[c].start) {
+        r = c - 1;
+      } else {
+        l = c;
+      }
+    }
+
+    if (ranges[l].start <= code && code <= ranges[l].end) {
+      gid = ranges[l].idDelta + (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code) & 0xffff;
+    }
+
+    return {
+      charCode: code,
+      glyphId: gid
+    };
+  }
+
+  function compileGlyf(code, cmds, font) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function quadraticCurveTo(xa, ya, x, y) {
+      cmds.push({
+        cmd: "quadraticCurveTo",
+        args: [xa, ya, x, y]
+      });
+    }
+
+    var i = 0;
+    var numberOfContours = (code[i] << 24 | code[i + 1] << 16) >> 16;
+    var flags;
+    var x = 0,
+        y = 0;
+    i += 10;
+
+    if (numberOfContours < 0) {
+      do {
+        flags = code[i] << 8 | code[i + 1];
+        var glyphIndex = code[i + 2] << 8 | code[i + 3];
+        i += 4;
+        var arg1, arg2;
+
+        if (flags & 0x01) {
+          arg1 = (code[i] << 24 | code[i + 1] << 16) >> 16;
+          arg2 = (code[i + 2] << 24 | code[i + 3] << 16) >> 16;
+          i += 4;
+        } else {
+          arg1 = code[i++];
+          arg2 = code[i++];
+        }
+
+        if (flags & 0x02) {
+          x = arg1;
+          y = arg2;
+        } else {
+          x = 0;
+          y = 0;
+        }
+
+        var scaleX = 1,
+            scaleY = 1,
+            scale01 = 0,
+            scale10 = 0;
+
+        if (flags & 0x08) {
+          scaleX = scaleY = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          i += 2;
+        } else if (flags & 0x40) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scaleY = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          i += 4;
+        } else if (flags & 0x80) {
+          scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824;
+          scale01 = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824;
+          scale10 = (code[i + 4] << 24 | code[i + 5] << 16) / 1073741824;
+          scaleY = (code[i + 6] << 24 | code[i + 7] << 16) / 1073741824;
+          i += 8;
+        }
+
+        var subglyph = font.glyphs[glyphIndex];
+
+        if (subglyph) {
+          cmds.push({
+            cmd: "save"
+          });
+          cmds.push({
+            cmd: "transform",
+            args: [scaleX, scale01, scale10, scaleY, x, y]
+          });
+          compileGlyf(subglyph, cmds, font);
+          cmds.push({
+            cmd: "restore"
+          });
+        }
+      } while (flags & 0x20);
+    } else {
+      var endPtsOfContours = [];
+      var j, jj;
+
+      for (j = 0; j < numberOfContours; j++) {
+        endPtsOfContours.push(code[i] << 8 | code[i + 1]);
+        i += 2;
+      }
+
+      var instructionLength = code[i] << 8 | code[i + 1];
+      i += 2 + instructionLength;
+      var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1;
+      var points = [];
+
+      while (points.length < numberOfPoints) {
+        flags = code[i++];
+        var repeat = 1;
+
+        if (flags & 0x08) {
+          repeat += code[i++];
+        }
+
+        while (repeat-- > 0) {
+          points.push({
+            flags
+          });
+        }
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x12) {
+          case 0x00:
+            x += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x02:
+            x -= code[i++];
+            break;
+
+          case 0x12:
+            x += code[i++];
+            break;
+        }
+
+        points[j].x = x;
+      }
+
+      for (j = 0; j < numberOfPoints; j++) {
+        switch (points[j].flags & 0x24) {
+          case 0x00:
+            y += (code[i] << 24 | code[i + 1] << 16) >> 16;
+            i += 2;
+            break;
+
+          case 0x04:
+            y -= code[i++];
+            break;
+
+          case 0x24:
+            y += code[i++];
+            break;
+        }
+
+        points[j].y = y;
+      }
+
+      var startPoint = 0;
+
+      for (i = 0; i < numberOfContours; i++) {
+        var endPoint = endPtsOfContours[i];
+        var contour = points.slice(startPoint, endPoint + 1);
+
+        if (contour[0].flags & 1) {
+          contour.push(contour[0]);
+        } else if (contour[contour.length - 1].flags & 1) {
+          contour.unshift(contour[contour.length - 1]);
+        } else {
+          var p = {
+            flags: 1,
+            x: (contour[0].x + contour[contour.length - 1].x) / 2,
+            y: (contour[0].y + contour[contour.length - 1].y) / 2
+          };
+          contour.unshift(p);
+          contour.push(p);
+        }
+
+        moveTo(contour[0].x, contour[0].y);
+
+        for (j = 1, jj = contour.length; j < jj; j++) {
+          if (contour[j].flags & 1) {
+            lineTo(contour[j].x, contour[j].y);
+          } else if (contour[j + 1].flags & 1) {
+            quadraticCurveTo(contour[j].x, contour[j].y, contour[j + 1].x, contour[j + 1].y);
+            j++;
+          } else {
+            quadraticCurveTo(contour[j].x, contour[j].y, (contour[j].x + contour[j + 1].x) / 2, (contour[j].y + contour[j + 1].y) / 2);
+          }
+        }
+
+        startPoint = endPoint + 1;
+      }
+    }
+  }
+
+  function compileCharString(charStringCode, cmds, font, glyphId) {
+    function moveTo(x, y) {
+      cmds.push({
+        cmd: "moveTo",
+        args: [x, y]
+      });
+    }
+
+    function lineTo(x, y) {
+      cmds.push({
+        cmd: "lineTo",
+        args: [x, y]
+      });
+    }
+
+    function bezierCurveTo(x1, y1, x2, y2, x, y) {
+      cmds.push({
+        cmd: "bezierCurveTo",
+        args: [x1, y1, x2, y2, x, y]
+      });
+    }
+
+    var stack = [];
+    var x = 0,
+        y = 0;
+    var stems = 0;
+
+    function parse(code) {
+      var i = 0;
+
+      while (i < code.length) {
+        var stackClean = false;
+        var v = code[i++];
+        var xa, xb, ya, yb, y1, y2, y3, n, subrCode;
+
+        switch (v) {
+          case 1:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 3:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 4:
+            y += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 5:
+            while (stack.length > 0) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 6:
+            while (stack.length > 0) {
+              x += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 7:
+            while (stack.length > 0) {
+              y += stack.shift();
+              lineTo(x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              x += stack.shift();
+              lineTo(x, y);
+            }
+
+            break;
+
+          case 8:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 10:
+            n = stack.pop();
+            subrCode = null;
+
+            if (font.isCFFCIDFont) {
+              const fdIndex = font.fdSelect.getFDIndex(glyphId);
+
+              if (fdIndex >= 0 && fdIndex < font.fdArray.length) {
+                const fontDict = font.fdArray[fdIndex];
+                let subrs;
+
+                if (fontDict.privateDict && fontDict.privateDict.subrsIndex) {
+                  subrs = fontDict.privateDict.subrsIndex.objects;
+                }
+
+                if (subrs) {
+                  n += getSubroutineBias(subrs);
+                  subrCode = subrs[n];
+                }
+              } else {
+                (0, _util.warn)("Invalid fd index for glyph index.");
+              }
+            } else {
+              subrCode = font.subrs[n + font.subrsBias];
+            }
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 11:
+            return;
+
+          case 12:
+            v = code[i++];
+
+            switch (v) {
+              case 34:
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y1 = y + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y, xb, y1, x, y1);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y, x, y);
+                break;
+
+              case 35:
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                stack.pop();
+                break;
+
+              case 36:
+                xa = x + stack.shift();
+                y1 = y + stack.shift();
+                xb = xa + stack.shift();
+                y2 = y1 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y1, xb, y2, x, y2);
+                xa = x + stack.shift();
+                xb = xa + stack.shift();
+                y3 = y2 + stack.shift();
+                x = xb + stack.shift();
+                bezierCurveTo(xa, y2, xb, y3, x, y);
+                break;
+
+              case 37:
+                var x0 = x,
+                    y0 = y;
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb + stack.shift();
+                y = yb + stack.shift();
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                xa = x + stack.shift();
+                ya = y + stack.shift();
+                xb = xa + stack.shift();
+                yb = ya + stack.shift();
+                x = xb;
+                y = yb;
+
+                if (Math.abs(x - x0) > Math.abs(y - y0)) {
+                  x += stack.shift();
+                } else {
+                  y += stack.shift();
+                }
+
+                bezierCurveTo(xa, ya, xb, yb, x, y);
+                break;
+
+              default:
+                throw new _util.FormatError(`unknown operator: 12 ${v}`);
+            }
+
+            break;
+
+          case 14:
+            if (stack.length >= 4) {
+              var achar = stack.pop();
+              var bchar = stack.pop();
+              y = stack.pop();
+              x = stack.pop();
+              cmds.push({
+                cmd: "save"
+              });
+              cmds.push({
+                cmd: "translate",
+                args: [x, y]
+              });
+              var cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[achar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+              cmds.push({
+                cmd: "restore"
+              });
+              cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[bchar]]));
+              compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
+            }
+
+            return;
+
+          case 18:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 19:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 20:
+            stems += stack.length >> 1;
+            i += stems + 7 >> 3;
+            stackClean = true;
+            break;
+
+          case 21:
+            y += stack.pop();
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 22:
+            x += stack.pop();
+            moveTo(x, y);
+            stackClean = true;
+            break;
+
+          case 23:
+            stems += stack.length >> 1;
+            stackClean = true;
+            break;
+
+          case 24:
+            while (stack.length > 2) {
+              xa = x + stack.shift();
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            x += stack.shift();
+            y += stack.shift();
+            lineTo(x, y);
+            break;
+
+          case 25:
+            while (stack.length > 6) {
+              x += stack.shift();
+              y += stack.shift();
+              lineTo(x, y);
+            }
+
+            xa = x + stack.shift();
+            ya = y + stack.shift();
+            xb = xa + stack.shift();
+            yb = ya + stack.shift();
+            x = xb + stack.shift();
+            y = yb + stack.shift();
+            bezierCurveTo(xa, ya, xb, yb, x, y);
+            break;
+
+          case 26:
+            if (stack.length % 2) {
+              x += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb;
+              y = yb + stack.shift();
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 27:
+            if (stack.length % 2) {
+              y += stack.shift();
+            }
+
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb;
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 28:
+            stack.push((code[i] << 24 | code[i + 1] << 16) >> 16);
+            i += 2;
+            break;
+
+          case 29:
+            n = stack.pop() + font.gsubrsBias;
+            subrCode = font.gsubrs[n];
+
+            if (subrCode) {
+              parse(subrCode);
+            }
+
+            break;
+
+          case 30:
+            while (stack.length > 0) {
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          case 31:
+            while (stack.length > 0) {
+              xa = x + stack.shift();
+              ya = y;
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              y = yb + stack.shift();
+              x = xb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+
+              if (stack.length === 0) {
+                break;
+              }
+
+              xa = x;
+              ya = y + stack.shift();
+              xb = xa + stack.shift();
+              yb = ya + stack.shift();
+              x = xb + stack.shift();
+              y = yb + (stack.length === 1 ? stack.shift() : 0);
+              bezierCurveTo(xa, ya, xb, yb, x, y);
+            }
+
+            break;
+
+          default:
+            if (v < 32) {
+              throw new _util.FormatError(`unknown operator: ${v}`);
+            }
+
+            if (v < 247) {
+              stack.push(v - 139);
+            } else if (v < 251) {
+              stack.push((v - 247) * 256 + code[i++] + 108);
+            } else if (v < 255) {
+              stack.push(-(v - 251) * 256 - code[i++] - 108);
+            } else {
+              stack.push((code[i] << 24 | code[i + 1] << 16 | code[i + 2] << 8 | code[i + 3]) / 65536);
+              i += 4;
+            }
+
+            break;
+        }
+
+        if (stackClean) {
+          stack.length = 0;
+        }
+      }
+    }
+
+    parse(charStringCode);
+  }
+
+  const NOOP = [];
+
+  class CompiledFont {
+    constructor(fontMatrix) {
+      if (this.constructor === CompiledFont) {
+        (0, _util.unreachable)("Cannot initialize CompiledFont.");
+      }
+
+      this.fontMatrix = fontMatrix;
+      this.compiledGlyphs = Object.create(null);
+      this.compiledCharCodeToGlyphId = Object.create(null);
+    }
+
+    getPathJs(unicode) {
+      const cmap = lookupCmap(this.cmap, unicode);
+      let fn = this.compiledGlyphs[cmap.glyphId];
+
+      if (!fn) {
+        fn = this.compileGlyph(this.glyphs[cmap.glyphId], cmap.glyphId);
+        this.compiledGlyphs[cmap.glyphId] = fn;
+      }
+
+      if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) {
+        this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId;
+      }
+
+      return fn;
+    }
+
+    compileGlyph(code, glyphId) {
+      if (!code || code.length === 0 || code[0] === 14) {
+        return NOOP;
+      }
+
+      let fontMatrix = this.fontMatrix;
+
+      if (this.isCFFCIDFont) {
+        const fdIndex = this.fdSelect.getFDIndex(glyphId);
+
+        if (fdIndex >= 0 && fdIndex < this.fdArray.length) {
+          const fontDict = this.fdArray[fdIndex];
+          fontMatrix = fontDict.getByName("FontMatrix") || _util.FONT_IDENTITY_MATRIX;
+        } else {
+          (0, _util.warn)("Invalid fd index for glyph index.");
+        }
+      }
+
+      const cmds = [];
+      cmds.push({
+        cmd: "save"
+      });
+      cmds.push({
+        cmd: "transform",
+        args: fontMatrix.slice()
+      });
+      cmds.push({
+        cmd: "scale",
+        args: ["size", "-size"]
+      });
+      this.compileGlyphImpl(code, cmds, glyphId);
+      cmds.push({
+        cmd: "restore"
+      });
+      return cmds;
+    }
+
+    compileGlyphImpl() {
+      (0, _util.unreachable)("Children classes should implement this.");
+    }
+
+    hasBuiltPath(unicode) {
+      const cmap = lookupCmap(this.cmap, unicode);
+      return this.compiledGlyphs[cmap.glyphId] !== undefined && this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined;
+    }
+
+  }
+
+  class TrueTypeCompiled extends CompiledFont {
+    constructor(glyphs, cmap, fontMatrix) {
+      super(fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]);
+      this.glyphs = glyphs;
+      this.cmap = cmap;
+    }
+
+    compileGlyphImpl(code, cmds) {
+      compileGlyf(code, cmds, this);
+    }
+
+  }
+
+  class Type2Compiled extends CompiledFont {
+    constructor(cffInfo, cmap, fontMatrix, glyphNameMap) {
+      super(fontMatrix || [0.001, 0, 0, 0.001, 0, 0]);
+      this.glyphs = cffInfo.glyphs;
+      this.gsubrs = cffInfo.gsubrs || [];
+      this.subrs = cffInfo.subrs || [];
+      this.cmap = cmap;
+      this.glyphNameMap = glyphNameMap || (0, _glyphlist.getGlyphsUnicode)();
+      this.gsubrsBias = getSubroutineBias(this.gsubrs);
+      this.subrsBias = getSubroutineBias(this.subrs);
+      this.isCFFCIDFont = cffInfo.isCFFCIDFont;
+      this.fdSelect = cffInfo.fdSelect;
+      this.fdArray = cffInfo.fdArray;
+    }
+
+    compileGlyphImpl(code, cmds, glyphId) {
+      compileCharString(code, cmds, this, glyphId);
+    }
+
+  }
+
+  return {
+    create: function FontRendererFactory_create(font, seacAnalysisEnabled) {
+      var data = new Uint8Array(font.data);
+      var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm;
+      var numTables = getUshort(data, 4);
+
+      for (var i = 0, p = 12; i < numTables; i++, p += 16) {
+        var tag = (0, _util.bytesToString)(data.subarray(p, p + 4));
+        var offset = getLong(data, p + 8);
+        var length = getLong(data, p + 12);
+
+        switch (tag) {
+          case "cmap":
+            cmap = parseCmap(data, offset, offset + length);
+            break;
+
+          case "glyf":
+            glyf = data.subarray(offset, offset + length);
+            break;
+
+          case "loca":
+            loca = data.subarray(offset, offset + length);
+            break;
+
+          case "head":
+            unitsPerEm = getUshort(data, offset + 18);
+            indexToLocFormat = getUshort(data, offset + 50);
+            break;
+
+          case "CFF ":
+            cff = parseCff(data, offset, offset + length, seacAnalysisEnabled);
+            break;
+        }
+      }
+
+      if (glyf) {
+        var fontMatrix = !unitsPerEm ? font.fontMatrix : [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0];
+        return new TrueTypeCompiled(parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix);
+      }
+
+      return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap);
+    }
+  };
+}();
+
+exports.FontRendererFactory = FontRendererFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/fonts.js b/node_modules/pdfjs-dist/lib/core/fonts.js
new file mode 100644
index 00000000..f5f4949c
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/fonts.js
@@ -0,0 +1,3256 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFontType = getFontType;
+exports.IdentityToUnicodeMap = exports.ToUnicodeMap = exports.FontFlags = exports.Font = exports.ErrorFont = exports.SEAC_ANALYSIS_ENABLED = void 0;
+
+var _util = require("../shared/util.js");
+
+var _cff_parser = require("./cff_parser.js");
+
+var _glyphlist = require("./glyphlist.js");
+
+var _encodings = require("./encodings.js");
+
+var _standard_fonts = require("./standard_fonts.js");
+
+var _unicode = require("./unicode.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _font_renderer = require("./font_renderer.js");
+
+var _cmap = require("./cmap.js");
+
+var _stream = require("./stream.js");
+
+var _type1_parser = require("./type1_parser.js");
+
+const PRIVATE_USE_AREAS = [[0xe000, 0xf8ff], [0x100000, 0x10fffd]];
+var PDF_GLYPH_SPACE_UNITS = 1000;
+var SEAC_ANALYSIS_ENABLED = true;
+exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED;
+const EXPORT_DATA_PROPERTIES = ["ascent", "bbox", "black", "bold", "charProcOperatorList", "composite", "data", "defaultVMetrics", "defaultWidth", "descent", "fallbackName", "fontMatrix", "fontType", "isMonospace", "isSerifFont", "isType3Font", "italic", "loadedName", "mimetype", "missingFile", "name", "remeasure", "subtype", "type", "vertical"];
+const EXPORT_DATA_EXTRA_PROPERTIES = ["cMap", "defaultEncoding", "differences", "isSymbolicFont", "seacMap", "toFontChar", "toUnicode", "vmetrics", "widths"];
+var FontFlags = {
+  FixedPitch: 1,
+  Serif: 2,
+  Symbolic: 4,
+  Script: 8,
+  Nonsymbolic: 32,
+  Italic: 64,
+  AllCap: 65536,
+  SmallCap: 131072,
+  ForceBold: 262144
+};
+exports.FontFlags = FontFlags;
+var MacStandardGlyphOrdering = [".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron", "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn", "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron", "dcroat"];
+
+function adjustWidths(properties) {
+  if (!properties.fontMatrix) {
+    return;
+  }
+
+  if (properties.fontMatrix[0] === _util.FONT_IDENTITY_MATRIX[0]) {
+    return;
+  }
+
+  var scale = 0.001 / properties.fontMatrix[0];
+  var glyphsWidths = properties.widths;
+
+  for (var glyph in glyphsWidths) {
+    glyphsWidths[glyph] *= scale;
+  }
+
+  properties.defaultWidth *= scale;
+}
+
+function adjustToUnicode(properties, builtInEncoding) {
+  if (properties.hasIncludedToUnicodeMap) {
+    return;
+  }
+
+  if (properties.hasEncoding) {
+    return;
+  }
+
+  if (builtInEncoding === properties.defaultEncoding) {
+    return;
+  }
+
+  if (properties.toUnicode instanceof IdentityToUnicodeMap) {
+    return;
+  }
+
+  var toUnicode = [],
+      glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+  for (var charCode in builtInEncoding) {
+    var glyphName = builtInEncoding[charCode];
+    var unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+    if (unicode !== -1) {
+      toUnicode[charCode] = String.fromCharCode(unicode);
+    }
+  }
+
+  properties.toUnicode.amend(toUnicode);
+}
+
+function getFontType(type, subtype) {
+  switch (type) {
+    case "Type1":
+      return subtype === "Type1C" ? _util.FontType.TYPE1C : _util.FontType.TYPE1;
+
+    case "CIDFontType0":
+      return subtype === "CIDFontType0C" ? _util.FontType.CIDFONTTYPE0C : _util.FontType.CIDFONTTYPE0;
+
+    case "OpenType":
+      return _util.FontType.OPENTYPE;
+
+    case "TrueType":
+      return _util.FontType.TRUETYPE;
+
+    case "CIDFontType2":
+      return _util.FontType.CIDFONTTYPE2;
+
+    case "MMType1":
+      return _util.FontType.MMTYPE1;
+
+    case "Type0":
+      return _util.FontType.TYPE0;
+
+    default:
+      return _util.FontType.UNKNOWN;
+  }
+}
+
+function recoverGlyphName(name, glyphsUnicodeMap) {
+  if (glyphsUnicodeMap[name] !== undefined) {
+    return name;
+  }
+
+  var unicode = (0, _unicode.getUnicodeForGlyph)(name, glyphsUnicodeMap);
+
+  if (unicode !== -1) {
+    for (var key in glyphsUnicodeMap) {
+      if (glyphsUnicodeMap[key] === unicode) {
+        return key;
+      }
+    }
+  }
+
+  (0, _util.info)("Unable to recover a standard glyph name for: " + name);
+  return name;
+}
+
+var Glyph = function GlyphClosure() {
+  function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    this.fontChar = fontChar;
+    this.unicode = unicode;
+    this.accent = accent;
+    this.width = width;
+    this.vmetric = vmetric;
+    this.operatorListId = operatorListId;
+    this.isSpace = isSpace;
+    this.isInFont = isInFont;
+  }
+
+  Glyph.prototype.matchesForCache = function (fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
+    return this.fontChar === fontChar && this.unicode === unicode && this.accent === accent && this.width === width && this.vmetric === vmetric && this.operatorListId === operatorListId && this.isSpace === isSpace && this.isInFont === isInFont;
+  };
+
+  return Glyph;
+}();
+
+var ToUnicodeMap = function ToUnicodeMapClosure() {
+  function ToUnicodeMap(cmap = []) {
+    this._map = cmap;
+  }
+
+  ToUnicodeMap.prototype = {
+    get length() {
+      return this._map.length;
+    },
+
+    forEach(callback) {
+      for (var charCode in this._map) {
+        callback(charCode, this._map[charCode].charCodeAt(0));
+      }
+    },
+
+    has(i) {
+      return this._map[i] !== undefined;
+    },
+
+    get(i) {
+      return this._map[i];
+    },
+
+    charCodeOf(value) {
+      const map = this._map;
+
+      if (map.length <= 0x10000) {
+        return map.indexOf(value);
+      }
+
+      for (const charCode in map) {
+        if (map[charCode] === value) {
+          return charCode | 0;
+        }
+      }
+
+      return -1;
+    },
+
+    amend(map) {
+      for (var charCode in map) {
+        this._map[charCode] = map[charCode];
+      }
+    }
+
+  };
+  return ToUnicodeMap;
+}();
+
+exports.ToUnicodeMap = ToUnicodeMap;
+
+var IdentityToUnicodeMap = function IdentityToUnicodeMapClosure() {
+  function IdentityToUnicodeMap(firstChar, lastChar) {
+    this.firstChar = firstChar;
+    this.lastChar = lastChar;
+  }
+
+  IdentityToUnicodeMap.prototype = {
+    get length() {
+      return this.lastChar + 1 - this.firstChar;
+    },
+
+    forEach(callback) {
+      for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {
+        callback(i, i);
+      }
+    },
+
+    has(i) {
+      return this.firstChar <= i && i <= this.lastChar;
+    },
+
+    get(i) {
+      if (this.firstChar <= i && i <= this.lastChar) {
+        return String.fromCharCode(i);
+      }
+
+      return undefined;
+    },
+
+    charCodeOf(v) {
+      return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar ? v : -1;
+    },
+
+    amend(map) {
+      (0, _util.unreachable)("Should not call amend()");
+    }
+
+  };
+  return IdentityToUnicodeMap;
+}();
+
+exports.IdentityToUnicodeMap = IdentityToUnicodeMap;
+
+var OpenTypeFileBuilder = function OpenTypeFileBuilderClosure() {
+  function writeInt16(dest, offset, num) {
+    dest[offset] = num >> 8 & 0xff;
+    dest[offset + 1] = num & 0xff;
+  }
+
+  function writeInt32(dest, offset, num) {
+    dest[offset] = num >> 24 & 0xff;
+    dest[offset + 1] = num >> 16 & 0xff;
+    dest[offset + 2] = num >> 8 & 0xff;
+    dest[offset + 3] = num & 0xff;
+  }
+
+  function writeData(dest, offset, data) {
+    var i, ii;
+
+    if (data instanceof Uint8Array) {
+      dest.set(data, offset);
+    } else if (typeof data === "string") {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data.charCodeAt(i) & 0xff;
+      }
+    } else {
+      for (i = 0, ii = data.length; i < ii; i++) {
+        dest[offset++] = data[i] & 0xff;
+      }
+    }
+  }
+
+  function OpenTypeFileBuilder(sfnt) {
+    this.sfnt = sfnt;
+    this.tables = Object.create(null);
+  }
+
+  OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) {
+    var maxPower2 = 1,
+        log2 = 0;
+
+    while ((maxPower2 ^ entriesCount) > maxPower2) {
+      maxPower2 <<= 1;
+      log2++;
+    }
+
+    var searchRange = maxPower2 * entrySize;
+    return {
+      range: searchRange,
+      entry: log2,
+      rangeShift: entrySize * entriesCount - searchRange
+    };
+  };
+
+  var OTF_HEADER_SIZE = 12;
+  var OTF_TABLE_ENTRY_SIZE = 16;
+  OpenTypeFileBuilder.prototype = {
+    toArray: function OpenTypeFileBuilder_toArray() {
+      var sfnt = this.sfnt;
+      var tables = this.tables;
+      var tablesNames = Object.keys(tables);
+      tablesNames.sort();
+      var numTables = tablesNames.length;
+      var i, j, jj, table, tableName;
+      var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;
+      var tableOffsets = [offset];
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        var paddedLength = (table.length + 3 & ~3) >>> 0;
+        offset += paddedLength;
+        tableOffsets.push(offset);
+      }
+
+      var file = new Uint8Array(offset);
+
+      for (i = 0; i < numTables; i++) {
+        table = tables[tablesNames[i]];
+        writeData(file, tableOffsets[i], table);
+      }
+
+      if (sfnt === "true") {
+        sfnt = (0, _util.string32)(0x00010000);
+      }
+
+      file[0] = sfnt.charCodeAt(0) & 0xff;
+      file[1] = sfnt.charCodeAt(1) & 0xff;
+      file[2] = sfnt.charCodeAt(2) & 0xff;
+      file[3] = sfnt.charCodeAt(3) & 0xff;
+      writeInt16(file, 4, numTables);
+      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);
+      writeInt16(file, 6, searchParams.range);
+      writeInt16(file, 8, searchParams.entry);
+      writeInt16(file, 10, searchParams.rangeShift);
+      offset = OTF_HEADER_SIZE;
+
+      for (i = 0; i < numTables; i++) {
+        tableName = tablesNames[i];
+        file[offset] = tableName.charCodeAt(0) & 0xff;
+        file[offset + 1] = tableName.charCodeAt(1) & 0xff;
+        file[offset + 2] = tableName.charCodeAt(2) & 0xff;
+        file[offset + 3] = tableName.charCodeAt(3) & 0xff;
+        var checksum = 0;
+
+        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {
+          var quad = (0, _core_utils.readUint32)(file, j);
+          checksum = checksum + quad >>> 0;
+        }
+
+        writeInt32(file, offset + 4, checksum);
+        writeInt32(file, offset + 8, tableOffsets[i]);
+        writeInt32(file, offset + 12, tables[tableName].length);
+        offset += OTF_TABLE_ENTRY_SIZE;
+      }
+
+      return file;
+    },
+    addTable: function OpenTypeFileBuilder_addTable(tag, data) {
+      if (tag in this.tables) {
+        throw new Error("Table " + tag + " already exists");
+      }
+
+      this.tables[tag] = data;
+    }
+  };
+  return OpenTypeFileBuilder;
+}();
+
+var Font = function FontClosure() {
+  function Font(name, file, properties) {
+    var charCode;
+    this.name = name;
+    this.loadedName = properties.loadedName;
+    this.isType3Font = properties.isType3Font;
+    this.missingFile = false;
+    this.glyphCache = Object.create(null);
+    this.isSerifFont = !!(properties.flags & FontFlags.Serif);
+    this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+    this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);
+    var type = properties.type;
+    var subtype = properties.subtype;
+    this.type = type;
+    this.subtype = subtype;
+    let fallbackName = "sans-serif";
+
+    if (this.isMonospace) {
+      fallbackName = "monospace";
+    } else if (this.isSerifFont) {
+      fallbackName = "serif";
+    }
+
+    this.fallbackName = fallbackName;
+    this.differences = properties.differences;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.composite = properties.composite;
+    this.cMap = properties.cMap;
+    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;
+    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;
+    this.fontMatrix = properties.fontMatrix;
+    this.bbox = properties.bbox;
+    this.defaultEncoding = properties.defaultEncoding;
+    this.toUnicode = properties.toUnicode;
+    this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();
+    this.toFontChar = [];
+
+    if (properties.type === "Type3") {
+      for (charCode = 0; charCode < 256; charCode++) {
+        this.toFontChar[charCode] = this.differences[charCode] || properties.defaultEncoding[charCode];
+      }
+
+      this.fontType = _util.FontType.TYPE3;
+      return;
+    }
+
+    this.cidEncoding = properties.cidEncoding;
+    this.vertical = !!properties.vertical;
+
+    if (this.vertical) {
+      this.vmetrics = properties.vmetrics;
+      this.defaultVMetrics = properties.defaultVMetrics;
+    }
+
+    if (!file || file.isEmpty) {
+      if (file) {
+        (0, _util.warn)('Font file is empty in "' + name + '" (' + this.loadedName + ")");
+      }
+
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    [type, subtype] = getFontFileType(file, properties);
+
+    if (type !== this.type || subtype !== this.subtype) {
+      (0, _util.info)("Inconsistent font file Type/SubType, expected: " + `${this.type}/${this.subtype} but found: ${type}/${subtype}.`);
+    }
+
+    try {
+      var data;
+
+      switch (type) {
+        case "MMType1":
+          (0, _util.info)("MMType1 font (" + name + "), falling back to Type1.");
+
+        case "Type1":
+        case "CIDFontType0":
+          this.mimetype = "font/opentype";
+          var cff = subtype === "Type1C" || subtype === "CIDFontType0C" ? new CFFFont(file, properties) : new Type1Font(name, file, properties);
+          adjustWidths(properties);
+          data = this.convert(name, cff, properties);
+          break;
+
+        case "OpenType":
+        case "TrueType":
+        case "CIDFontType2":
+          this.mimetype = "font/opentype";
+          data = this.checkAndRepair(name, file, properties);
+
+          if (this.isOpenType) {
+            adjustWidths(properties);
+            type = "OpenType";
+          }
+
+          break;
+
+        default:
+          throw new _util.FormatError(`Font ${type} is not supported`);
+      }
+    } catch (e) {
+      (0, _util.warn)(e);
+      this.fallbackToSystemFont();
+      return;
+    }
+
+    this.data = data;
+    this.fontType = getFontType(type, subtype);
+    this.fontMatrix = properties.fontMatrix;
+    this.widths = properties.widths;
+    this.defaultWidth = properties.defaultWidth;
+    this.toUnicode = properties.toUnicode;
+    this.seacMap = properties.seacMap;
+  }
+
+  function int16(b0, b1) {
+    return (b0 << 8) + b1;
+  }
+
+  function writeSignedInt16(bytes, index, value) {
+    bytes[index + 1] = value;
+    bytes[index] = value >>> 8;
+  }
+
+  function signedInt16(b0, b1) {
+    var value = (b0 << 8) + b1;
+    return value & 1 << 15 ? value - 0x10000 : value;
+  }
+
+  function int32(b0, b1, b2, b3) {
+    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+  }
+
+  function string16(value) {
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function safeString16(value) {
+    if (value > 0x7fff) {
+      value = 0x7fff;
+    } else if (value < -0x8000) {
+      value = -0x8000;
+    }
+
+    return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
+  }
+
+  function isTrueTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _core_utils.readUint32)(header, 0) === 0x00010000 || (0, _util.bytesToString)(header) === "true";
+  }
+
+  function isTrueTypeCollectionFile(file) {
+    const header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "ttcf";
+  }
+
+  function isOpenTypeFile(file) {
+    var header = file.peekBytes(4);
+    return (0, _util.bytesToString)(header) === "OTTO";
+  }
+
+  function isType1File(file) {
+    var header = file.peekBytes(2);
+
+    if (header[0] === 0x25 && header[1] === 0x21) {
+      return true;
+    }
+
+    if (header[0] === 0x80 && header[1] === 0x01) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function isCFFFile(file) {
+    const header = file.peekBytes(4);
+
+    if (header[0] >= 1 && header[3] >= 1 && header[3] <= 4) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function getFontFileType(file, {
+    type,
+    subtype,
+    composite
+  }) {
+    let fileType, fileSubtype;
+
+    if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "TrueType";
+      }
+    } else if (isOpenTypeFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType2";
+      } else {
+        fileType = "OpenType";
+      }
+    } else if (isType1File(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+      }
+    } else if (isCFFFile(file)) {
+      if (composite) {
+        fileType = "CIDFontType0";
+        fileSubtype = "CIDFontType0C";
+      } else {
+        fileType = type === "MMType1" ? "MMType1" : "Type1";
+        fileSubtype = "Type1C";
+      }
+    } else {
+      (0, _util.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");
+      fileType = type;
+      fileSubtype = subtype;
+    }
+
+    return [fileType, fileSubtype];
+  }
+
+  function buildToFontChar(encoding, glyphsUnicodeMap, differences) {
+    var toFontChar = [],
+        unicode;
+
+    for (var i = 0, ii = encoding.length; i < ii; i++) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(encoding[i], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[i] = unicode;
+      }
+    }
+
+    for (var charCode in differences) {
+      unicode = (0, _unicode.getUnicodeForGlyph)(differences[charCode], glyphsUnicodeMap);
+
+      if (unicode !== -1) {
+        toFontChar[+charCode] = unicode;
+      }
+    }
+
+    return toFontChar;
+  }
+
+  function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {
+    var newMap = Object.create(null);
+    var toFontChar = [];
+    var privateUseAreaIndex = 0;
+    var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+    var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+
+    for (var originalCharCode in charCodeToGlyphId) {
+      originalCharCode |= 0;
+      var glyphId = charCodeToGlyphId[originalCharCode];
+
+      if (!hasGlyph(glyphId)) {
+        continue;
+      }
+
+      if (nextAvailableFontCharCode > privateUseOffetEnd) {
+        privateUseAreaIndex++;
+
+        if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {
+          (0, _util.warn)("Ran out of space in font private use area.");
+          break;
+        }
+
+        nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
+        privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
+      }
+
+      var fontCharCode = nextAvailableFontCharCode++;
+
+      if (glyphId === 0) {
+        glyphId = newGlyphZeroId;
+      }
+
+      newMap[fontCharCode] = glyphId;
+      toFontChar[originalCharCode] = fontCharCode;
+    }
+
+    return {
+      toFontChar,
+      charCodeToGlyphId: newMap,
+      nextAvailableFontCharCode
+    };
+  }
+
+  function getRanges(glyphs, numGlyphs) {
+    var codes = [];
+
+    for (var charCode in glyphs) {
+      if (glyphs[charCode] >= numGlyphs) {
+        continue;
+      }
+
+      codes.push({
+        fontCharCode: charCode | 0,
+        glyphId: glyphs[charCode]
+      });
+    }
+
+    if (codes.length === 0) {
+      codes.push({
+        fontCharCode: 0,
+        glyphId: 0
+      });
+    }
+
+    codes.sort(function fontGetRangesSort(a, b) {
+      return a.fontCharCode - b.fontCharCode;
+    });
+    var ranges = [];
+    var length = codes.length;
+
+    for (var n = 0; n < length;) {
+      var start = codes[n].fontCharCode;
+      var codeIndices = [codes[n].glyphId];
+      ++n;
+      var end = start;
+
+      while (n < length && end + 1 === codes[n].fontCharCode) {
+        codeIndices.push(codes[n].glyphId);
+        ++end;
+        ++n;
+
+        if (end === 0xffff) {
+          break;
+        }
+      }
+
+      ranges.push([start, end, codeIndices]);
+    }
+
+    return ranges;
+  }
+
+  function createCmapTable(glyphs, numGlyphs) {
+    var ranges = getRanges(glyphs, numGlyphs);
+    var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;
+    var cmap = "\x00\x00" + string16(numTables) + "\x00\x03" + "\x00\x01" + (0, _util.string32)(4 + numTables * 8);
+    var i, ii, j, jj;
+
+    for (i = ranges.length - 1; i >= 0; --i) {
+      if (ranges[i][0] <= 0xffff) {
+        break;
+      }
+    }
+
+    var bmpLength = i + 1;
+
+    if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {
+      ranges[i][1] = 0xfffe;
+    }
+
+    var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;
+    var segCount = bmpLength + trailingRangesCount;
+    var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);
+    var startCount = "";
+    var endCount = "";
+    var idDeltas = "";
+    var idRangeOffsets = "";
+    var glyphsIds = "";
+    var bias = 0;
+    var range, start, end, codes;
+
+    for (i = 0, ii = bmpLength; i < ii; i++) {
+      range = ranges[i];
+      start = range[0];
+      end = range[1];
+      startCount += string16(start);
+      endCount += string16(end);
+      codes = range[2];
+      var contiguous = true;
+
+      for (j = 1, jj = codes.length; j < jj; ++j) {
+        if (codes[j] !== codes[j - 1] + 1) {
+          contiguous = false;
+          break;
+        }
+      }
+
+      if (!contiguous) {
+        var offset = (segCount - i) * 2 + bias * 2;
+        bias += end - start + 1;
+        idDeltas += string16(0);
+        idRangeOffsets += string16(offset);
+
+        for (j = 0, jj = codes.length; j < jj; ++j) {
+          glyphsIds += string16(codes[j]);
+        }
+      } else {
+        var startCode = codes[0];
+        idDeltas += string16(startCode - start & 0xffff);
+        idRangeOffsets += string16(0);
+      }
+    }
+
+    if (trailingRangesCount > 0) {
+      endCount += "\xFF\xFF";
+      startCount += "\xFF\xFF";
+      idDeltas += "\x00\x01";
+      idRangeOffsets += "\x00\x00";
+    }
+
+    var format314 = "\x00\x00" + string16(2 * segCount) + string16(searchParams.range) + string16(searchParams.entry) + string16(searchParams.rangeShift) + endCount + "\x00\x00" + startCount + idDeltas + idRangeOffsets + glyphsIds;
+    var format31012 = "";
+    var header31012 = "";
+
+    if (numTables > 1) {
+      cmap += "\x00\x03" + "\x00\x0A" + (0, _util.string32)(4 + numTables * 8 + 4 + format314.length);
+      format31012 = "";
+
+      for (i = 0, ii = ranges.length; i < ii; i++) {
+        range = ranges[i];
+        start = range[0];
+        codes = range[2];
+        var code = codes[0];
+
+        for (j = 1, jj = codes.length; j < jj; ++j) {
+          if (codes[j] !== codes[j - 1] + 1) {
+            end = range[0] + j - 1;
+            format31012 += (0, _util.string32)(start) + (0, _util.string32)(end) + (0, _util.string32)(code);
+            start = end + 1;
+            code = codes[j];
+          }
+        }
+
+        format31012 += (0, _util.string32)(start) + (0, _util.string32)(range[1]) + (0, _util.string32)(code);
+      }
+
+      header31012 = "\x00\x0C" + "\x00\x00" + (0, _util.string32)(format31012.length + 16) + "\x00\x00\x00\x00" + (0, _util.string32)(format31012.length / 12);
+    }
+
+    return cmap + "\x00\x04" + string16(format314.length + 4) + format314 + header31012 + format31012;
+  }
+
+  function validateOS2Table(os2, file) {
+    file.pos = (file.start || 0) + os2.offset;
+    var version = file.getUint16();
+    file.skip(60);
+    var selection = file.getUint16();
+
+    if (version < 4 && selection & 0x0300) {
+      return false;
+    }
+
+    var firstChar = file.getUint16();
+    var lastChar = file.getUint16();
+
+    if (firstChar > lastChar) {
+      return false;
+    }
+
+    file.skip(6);
+    var usWinAscent = file.getUint16();
+
+    if (usWinAscent === 0) {
+      return false;
+    }
+
+    os2.data[8] = os2.data[9] = 0;
+    return true;
+  }
+
+  function createOS2Table(properties, charstrings, override) {
+    override = override || {
+      unitsPerEm: 0,
+      yMax: 0,
+      yMin: 0,
+      ascent: 0,
+      descent: 0
+    };
+    var ulUnicodeRange1 = 0;
+    var ulUnicodeRange2 = 0;
+    var ulUnicodeRange3 = 0;
+    var ulUnicodeRange4 = 0;
+    var firstCharIndex = null;
+    var lastCharIndex = 0;
+
+    if (charstrings) {
+      for (var code in charstrings) {
+        code |= 0;
+
+        if (firstCharIndex > code || !firstCharIndex) {
+          firstCharIndex = code;
+        }
+
+        if (lastCharIndex < code) {
+          lastCharIndex = code;
+        }
+
+        var position = (0, _unicode.getUnicodeRangeFor)(code);
+
+        if (position < 32) {
+          ulUnicodeRange1 |= 1 << position;
+        } else if (position < 64) {
+          ulUnicodeRange2 |= 1 << position - 32;
+        } else if (position < 96) {
+          ulUnicodeRange3 |= 1 << position - 64;
+        } else if (position < 123) {
+          ulUnicodeRange4 |= 1 << position - 96;
+        } else {
+          throw new _util.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");
+        }
+      }
+
+      if (lastCharIndex > 0xffff) {
+        lastCharIndex = 0xffff;
+      }
+    } else {
+      firstCharIndex = 0;
+      lastCharIndex = 255;
+    }
+
+    var bbox = properties.bbox || [0, 0, 0, 0];
+    var unitsPerEm = override.unitsPerEm || 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+    var scale = properties.ascentScaled ? 1.0 : unitsPerEm / PDF_GLYPH_SPACE_UNITS;
+    var typoAscent = override.ascent || Math.round(scale * (properties.ascent || bbox[3]));
+    var typoDescent = override.descent || Math.round(scale * (properties.descent || bbox[1]));
+
+    if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {
+      typoDescent = -typoDescent;
+    }
+
+    var winAscent = override.yMax || typoAscent;
+    var winDescent = -override.yMin || -typoDescent;
+    return "\x00\x03" + "\x02\x24" + "\x01\xF4" + "\x00\x05" + "\x00\x00" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x00\x8C" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x01\xDF" + "\x00\x31" + "\x01\x02" + "\x00\x00" + "\x00\x00\x06" + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + "\x00\x00\x00\x00\x00\x00" + (0, _util.string32)(ulUnicodeRange1) + (0, _util.string32)(ulUnicodeRange2) + (0, _util.string32)(ulUnicodeRange3) + (0, _util.string32)(ulUnicodeRange4) + "\x2A\x32\x31\x2A" + string16(properties.italicAngle ? 1 : 0) + string16(firstCharIndex || properties.firstChar) + string16(lastCharIndex || properties.lastChar) + string16(typoAscent) + string16(typoDescent) + "\x00\x64" + string16(winAscent) + string16(winDescent) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + string16(properties.xHeight) + string16(properties.capHeight) + string16(0) + string16(firstCharIndex || properties.firstChar) + "\x00\x03";
+  }
+
+  function createPostTable(properties) {
+    var angle = Math.floor(properties.italicAngle * 2 ** 16);
+    return "\x00\x03\x00\x00" + (0, _util.string32)(angle) + "\x00\x00" + "\x00\x00" + (0, _util.string32)(properties.fixedPitch) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00";
+  }
+
+  function createNameTable(name, proto) {
+    if (!proto) {
+      proto = [[], []];
+    }
+
+    var strings = [proto[0][0] || "Original licence", proto[0][1] || name, proto[0][2] || "Unknown", proto[0][3] || "uniqueID", proto[0][4] || name, proto[0][5] || "Version 0.11", proto[0][6] || "", proto[0][7] || "Unknown", proto[0][8] || "Unknown", proto[0][9] || "Unknown"];
+    var stringsUnicode = [];
+    var i, ii, j, jj, str;
+
+    for (i = 0, ii = strings.length; i < ii; i++) {
+      str = proto[1][i] || strings[i];
+      var strBufUnicode = [];
+
+      for (j = 0, jj = str.length; j < jj; j++) {
+        strBufUnicode.push(string16(str.charCodeAt(j)));
+      }
+
+      stringsUnicode.push(strBufUnicode.join(""));
+    }
+
+    var names = [strings, stringsUnicode];
+    var platforms = ["\x00\x01", "\x00\x03"];
+    var encodings = ["\x00\x00", "\x00\x01"];
+    var languages = ["\x00\x00", "\x04\x09"];
+    var namesRecordCount = strings.length * platforms.length;
+    var nameTable = "\x00\x00" + string16(namesRecordCount) + string16(namesRecordCount * 12 + 6);
+    var strOffset = 0;
+
+    for (i = 0, ii = platforms.length; i < ii; i++) {
+      var strs = names[i];
+
+      for (j = 0, jj = strs.length; j < jj; j++) {
+        str = strs[j];
+        var nameRecord = platforms[i] + encodings[i] + languages[i] + string16(j) + string16(str.length) + string16(strOffset);
+        nameTable += nameRecord;
+        strOffset += str.length;
+      }
+    }
+
+    nameTable += strings.join("") + stringsUnicode.join("");
+    return nameTable;
+  }
+
+  Font.prototype = {
+    name: null,
+    font: null,
+    mimetype: null,
+    disableFontFace: false,
+
+    get renderer() {
+      var renderer = _font_renderer.FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);
+
+      return (0, _util.shadow)(this, "renderer", renderer);
+    },
+
+    exportData(extraProperties = false) {
+      const exportDataProperties = extraProperties ? [...EXPORT_DATA_PROPERTIES, ...EXPORT_DATA_EXTRA_PROPERTIES] : EXPORT_DATA_PROPERTIES;
+      const data = Object.create(null);
+      let property, value;
+
+      for (property of exportDataProperties) {
+        value = this[property];
+
+        if (value !== undefined) {
+          data[property] = value;
+        }
+      }
+
+      return data;
+    },
+
+    fallbackToSystemFont: function Font_fallbackToSystemFont() {
+      this.missingFile = true;
+      var name = this.name;
+      var type = this.type;
+      var subtype = this.subtype;
+      let fontName = name.replace(/[,_]/g, "-").replace(/\s/g, "");
+      var stdFontMap = (0, _standard_fonts.getStdFontMap)(),
+          nonStdFontMap = (0, _standard_fonts.getNonStdFontMap)();
+      var isStandardFont = !!stdFontMap[fontName] || !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);
+      fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;
+      this.bold = fontName.search(/bold/gi) !== -1;
+      this.italic = fontName.search(/oblique/gi) !== -1 || fontName.search(/italic/gi) !== -1;
+      this.black = name.search(/Black/g) !== -1;
+      this.remeasure = Object.keys(this.widths).length > 0;
+
+      if (isStandardFont && type === "CIDFontType2" && this.cidEncoding.startsWith("Identity-")) {
+        const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+        const map = [];
+
+        for (const charCode in GlyphMapForStandardFonts) {
+          map[+charCode] = GlyphMapForStandardFonts[charCode];
+        }
+
+        if (/Arial-?Black/i.test(name)) {
+          var SupplementalGlyphMapForArialBlack = (0, _standard_fonts.getSupplementalGlyphMapForArialBlack)();
+
+          for (const charCode in SupplementalGlyphMapForArialBlack) {
+            map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];
+          }
+        } else if (/Calibri/i.test(name)) {
+          const SupplementalGlyphMapForCalibri = (0, _standard_fonts.getSupplementalGlyphMapForCalibri)();
+
+          for (const charCode in SupplementalGlyphMapForCalibri) {
+            map[+charCode] = SupplementalGlyphMapForCalibri[charCode];
+          }
+        }
+
+        var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;
+
+        if (!isIdentityUnicode) {
+          this.toUnicode.forEach(function (charCode, unicodeCharCode) {
+            map[+charCode] = unicodeCharCode;
+          });
+        }
+
+        this.toFontChar = map;
+        this.toUnicode = new ToUnicodeMap(map);
+      } else if (/Symbol/i.test(fontName)) {
+        this.toFontChar = buildToFontChar(_encodings.SymbolSetEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else if (/Dingbats/i.test(fontName)) {
+        if (/Wingdings/i.test(name)) {
+          (0, _util.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");
+        }
+
+        this.toFontChar = buildToFontChar(_encodings.ZapfDingbatsEncoding, (0, _glyphlist.getDingbatsGlyphsUnicode)(), this.differences);
+      } else if (isStandardFont) {
+        this.toFontChar = buildToFontChar(this.defaultEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
+      } else {
+        const glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        const map = [];
+        this.toUnicode.forEach((charCode, unicodeCharCode) => {
+          if (!this.composite) {
+            var glyphName = this.differences[charCode] || this.defaultEncoding[charCode];
+            const unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
+
+            if (unicode !== -1) {
+              unicodeCharCode = unicode;
+            }
+          }
+
+          map[+charCode] = unicodeCharCode;
+        });
+
+        if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {
+          if (/Verdana/i.test(name)) {
+            const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
+
+            for (const charCode in GlyphMapForStandardFonts) {
+              map[+charCode] = GlyphMapForStandardFonts[charCode];
+            }
+          }
+        }
+
+        this.toFontChar = map;
+      }
+
+      this.loadedName = fontName.split("-")[0];
+      this.fontType = getFontType(type, subtype);
+    },
+    checkAndRepair: function Font_checkAndRepair(name, font, properties) {
+      const VALID_TABLES = ["OS/2", "cmap", "head", "hhea", "hmtx", "maxp", "name", "post", "loca", "glyf", "fpgm", "prep", "cvt ", "CFF "];
+
+      function readTables(file, numTables) {
+        const tables = Object.create(null);
+        tables["OS/2"] = null;
+        tables.cmap = null;
+        tables.head = null;
+        tables.hhea = null;
+        tables.hmtx = null;
+        tables.maxp = null;
+        tables.name = null;
+        tables.post = null;
+
+        for (let i = 0; i < numTables; i++) {
+          const table = readTableEntry(file);
+
+          if (!VALID_TABLES.includes(table.tag)) {
+            continue;
+          }
+
+          if (table.length === 0) {
+            continue;
+          }
+
+          tables[table.tag] = table;
+        }
+
+        return tables;
+      }
+
+      function readTableEntry(file) {
+        var tag = (0, _util.bytesToString)(file.getBytes(4));
+        var checksum = file.getInt32() >>> 0;
+        var offset = file.getInt32() >>> 0;
+        var length = file.getInt32() >>> 0;
+        var previousPosition = file.pos;
+        file.pos = file.start ? file.start : 0;
+        file.skip(offset);
+        var data = file.getBytes(length);
+        file.pos = previousPosition;
+
+        if (tag === "head") {
+          data[8] = data[9] = data[10] = data[11] = 0;
+          data[17] |= 0x20;
+        }
+
+        return {
+          tag,
+          checksum,
+          length,
+          offset,
+          data
+        };
+      }
+
+      function readOpenTypeHeader(ttf) {
+        return {
+          version: (0, _util.bytesToString)(ttf.getBytes(4)),
+          numTables: ttf.getUint16(),
+          searchRange: ttf.getUint16(),
+          entrySelector: ttf.getUint16(),
+          rangeShift: ttf.getUint16()
+        };
+      }
+
+      function readTrueTypeCollectionHeader(ttc) {
+        const ttcTag = (0, _util.bytesToString)(ttc.getBytes(4));
+        (0, _util.assert)(ttcTag === "ttcf", "Must be a TrueType Collection font.");
+        const majorVersion = ttc.getUint16();
+        const minorVersion = ttc.getUint16();
+        const numFonts = ttc.getInt32() >>> 0;
+        const offsetTable = [];
+
+        for (let i = 0; i < numFonts; i++) {
+          offsetTable.push(ttc.getInt32() >>> 0);
+        }
+
+        const header = {
+          ttcTag,
+          majorVersion,
+          minorVersion,
+          numFonts,
+          offsetTable
+        };
+
+        switch (majorVersion) {
+          case 1:
+            return header;
+
+          case 2:
+            header.dsigTag = ttc.getInt32() >>> 0;
+            header.dsigLength = ttc.getInt32() >>> 0;
+            header.dsigOffset = ttc.getInt32() >>> 0;
+            return header;
+        }
+
+        throw new _util.FormatError(`Invalid TrueType Collection majorVersion: ${majorVersion}.`);
+      }
+
+      function readTrueTypeCollectionData(ttc, fontName) {
+        const {
+          numFonts,
+          offsetTable
+        } = readTrueTypeCollectionHeader(ttc);
+
+        for (let i = 0; i < numFonts; i++) {
+          ttc.pos = (ttc.start || 0) + offsetTable[i];
+          const potentialHeader = readOpenTypeHeader(ttc);
+          const potentialTables = readTables(ttc, potentialHeader.numTables);
+
+          if (!potentialTables.name) {
+            throw new _util.FormatError('TrueType Collection font must contain a "name" table.');
+          }
+
+          const nameTable = readNameTable(potentialTables.name);
+
+          for (let j = 0, jj = nameTable.length; j < jj; j++) {
+            for (let k = 0, kk = nameTable[j].length; k < kk; k++) {
+              const nameEntry = nameTable[j][k];
+
+              if (nameEntry && nameEntry.replace(/\s/g, "") === fontName) {
+                return {
+                  header: potentialHeader,
+                  tables: potentialTables
+                };
+              }
+            }
+          }
+        }
+
+        throw new _util.FormatError(`TrueType Collection does not contain "${fontName}" font.`);
+      }
+
+      function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {
+        if (!cmap) {
+          (0, _util.warn)("No cmap table available.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var segment;
+        var start = (file.start ? file.start : 0) + cmap.offset;
+        file.pos = start;
+        file.skip(2);
+        var numTables = file.getUint16();
+        var potentialTable;
+        var canBreak = false;
+
+        for (var i = 0; i < numTables; i++) {
+          var platformId = file.getUint16();
+          var encodingId = file.getUint16();
+          var offset = file.getInt32() >>> 0;
+          var useTable = false;
+
+          if (potentialTable && potentialTable.platformId === platformId && potentialTable.encodingId === encodingId) {
+            continue;
+          }
+
+          if (platformId === 0 && (encodingId === 0 || encodingId === 1 || encodingId === 3)) {
+            useTable = true;
+          } else if (platformId === 1 && encodingId === 0) {
+            useTable = true;
+          } else if (platformId === 3 && encodingId === 1 && (hasEncoding || !potentialTable)) {
+            useTable = true;
+
+            if (!isSymbolicFont) {
+              canBreak = true;
+            }
+          } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
+            useTable = true;
+            canBreak = true;
+          }
+
+          if (useTable) {
+            potentialTable = {
+              platformId,
+              encodingId,
+              offset
+            };
+          }
+
+          if (canBreak) {
+            break;
+          }
+        }
+
+        if (potentialTable) {
+          file.pos = start + potentialTable.offset;
+        }
+
+        if (!potentialTable || file.peekByte() === -1) {
+          (0, _util.warn)("Could not find a preferred cmap table.");
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        var format = file.getUint16();
+        file.skip(2 + 2);
+        var hasShortCmap = false;
+        var mappings = [];
+        var j, glyphId;
+
+        if (format === 0) {
+          for (j = 0; j < 256; j++) {
+            var index = file.getByte();
+
+            if (!index) {
+              continue;
+            }
+
+            mappings.push({
+              charCode: j,
+              glyphId: index
+            });
+          }
+
+          hasShortCmap = true;
+        } else if (format === 4) {
+          var segCount = file.getUint16() >> 1;
+          file.skip(6);
+          var segIndex,
+              segments = [];
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments.push({
+              end: file.getUint16()
+            });
+          }
+
+          file.skip(2);
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].start = file.getUint16();
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segments[segIndex].delta = file.getUint16();
+          }
+
+          var offsetsCount = 0;
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            var rangeOffset = file.getUint16();
+
+            if (!rangeOffset) {
+              segment.offsetIndex = -1;
+              continue;
+            }
+
+            var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);
+            segment.offsetIndex = offsetIndex;
+            offsetsCount = Math.max(offsetsCount, offsetIndex + segment.end - segment.start + 1);
+          }
+
+          var offsets = [];
+
+          for (j = 0; j < offsetsCount; j++) {
+            offsets.push(file.getUint16());
+          }
+
+          for (segIndex = 0; segIndex < segCount; segIndex++) {
+            segment = segments[segIndex];
+            start = segment.start;
+            var end = segment.end;
+            var delta = segment.delta;
+            offsetIndex = segment.offsetIndex;
+
+            for (j = start; j <= end; j++) {
+              if (j === 0xffff) {
+                continue;
+              }
+
+              glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];
+              glyphId = glyphId + delta & 0xffff;
+              mappings.push({
+                charCode: j,
+                glyphId
+              });
+            }
+          }
+        } else if (format === 6) {
+          var firstCode = file.getUint16();
+          var entryCount = file.getUint16();
+
+          for (j = 0; j < entryCount; j++) {
+            glyphId = file.getUint16();
+            var charCode = firstCode + j;
+            mappings.push({
+              charCode,
+              glyphId
+            });
+          }
+        } else {
+          (0, _util.warn)("cmap table has unsupported format: " + format);
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
+        }
+
+        mappings.sort(function (a, b) {
+          return a.charCode - b.charCode;
+        });
+
+        for (i = 1; i < mappings.length; i++) {
+          if (mappings[i - 1].charCode === mappings[i].charCode) {
+            mappings.splice(i, 1);
+            i--;
+          }
+        }
+
+        return {
+          platformId: potentialTable.platformId,
+          encodingId: potentialTable.encodingId,
+          mappings,
+          hasShortCmap
+        };
+      }
+
+      function sanitizeMetrics(file, header, metrics, numGlyphs, dupFirstEntry) {
+        if (!header) {
+          if (metrics) {
+            metrics.data = null;
+          }
+
+          return;
+        }
+
+        file.pos = (file.start ? file.start : 0) + header.offset;
+        file.pos += 4;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 2;
+        file.pos += 8;
+        file.pos += 2;
+        var numOfMetrics = file.getUint16();
+
+        if (numOfMetrics > numGlyphs) {
+          (0, _util.info)("The numOfMetrics (" + numOfMetrics + ") should not be " + "greater than the numGlyphs (" + numGlyphs + ")");
+          numOfMetrics = numGlyphs;
+          header.data[34] = (numOfMetrics & 0xff00) >> 8;
+          header.data[35] = numOfMetrics & 0x00ff;
+        }
+
+        var numOfSidebearings = numGlyphs - numOfMetrics;
+        var numMissing = numOfSidebearings - (metrics.length - numOfMetrics * 4 >> 1);
+
+        if (numMissing > 0) {
+          var entries = new Uint8Array(metrics.length + numMissing * 2);
+          entries.set(metrics.data);
+
+          if (dupFirstEntry) {
+            entries[metrics.length] = metrics.data[2];
+            entries[metrics.length + 1] = metrics.data[3];
+          }
+
+          metrics.data = entries;
+        }
+      }
+
+      function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, hintsValid) {
+        var glyphProfile = {
+          length: 0,
+          sizeOfInstructions: 0
+        };
+
+        if (sourceEnd - sourceStart <= 12) {
+          return glyphProfile;
+        }
+
+        var glyf = source.subarray(sourceStart, sourceEnd);
+        var contoursCount = signedInt16(glyf[0], glyf[1]);
+
+        if (contoursCount < 0) {
+          contoursCount = -1;
+          writeSignedInt16(glyf, 0, contoursCount);
+          dest.set(glyf, destStart);
+          glyphProfile.length = glyf.length;
+          return glyphProfile;
+        }
+
+        var i,
+            j = 10,
+            flagsCount = 0;
+
+        for (i = 0; i < contoursCount; i++) {
+          var endPoint = glyf[j] << 8 | glyf[j + 1];
+          flagsCount = endPoint + 1;
+          j += 2;
+        }
+
+        var instructionsStart = j;
+        var instructionsLength = glyf[j] << 8 | glyf[j + 1];
+        glyphProfile.sizeOfInstructions = instructionsLength;
+        j += 2 + instructionsLength;
+        var instructionsEnd = j;
+        var coordinatesLength = 0;
+
+        for (i = 0; i < flagsCount; i++) {
+          var flag = glyf[j++];
+
+          if (flag & 0xc0) {
+            glyf[j - 1] = flag & 0x3f;
+          }
+
+          let xLength = 2;
+
+          if (flag & 2) {
+            xLength = 1;
+          } else if (flag & 16) {
+            xLength = 0;
+          }
+
+          let yLength = 2;
+
+          if (flag & 4) {
+            yLength = 1;
+          } else if (flag & 32) {
+            yLength = 0;
+          }
+
+          const xyLength = xLength + yLength;
+          coordinatesLength += xyLength;
+
+          if (flag & 8) {
+            var repeat = glyf[j++];
+            i += repeat;
+            coordinatesLength += repeat * xyLength;
+          }
+        }
+
+        if (coordinatesLength === 0) {
+          return glyphProfile;
+        }
+
+        var glyphDataLength = j + coordinatesLength;
+
+        if (glyphDataLength > glyf.length) {
+          return glyphProfile;
+        }
+
+        if (!hintsValid && instructionsLength > 0) {
+          dest.set(glyf.subarray(0, instructionsStart), destStart);
+          dest.set([0, 0], destStart + instructionsStart);
+          dest.set(glyf.subarray(instructionsEnd, glyphDataLength), destStart + instructionsStart + 2);
+          glyphDataLength -= instructionsLength;
+
+          if (glyf.length - glyphDataLength > 3) {
+            glyphDataLength = glyphDataLength + 3 & ~3;
+          }
+
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        if (glyf.length - glyphDataLength > 3) {
+          glyphDataLength = glyphDataLength + 3 & ~3;
+          dest.set(glyf.subarray(0, glyphDataLength), destStart);
+          glyphProfile.length = glyphDataLength;
+          return glyphProfile;
+        }
+
+        dest.set(glyf, destStart);
+        glyphProfile.length = glyf.length;
+        return glyphProfile;
+      }
+
+      function sanitizeHead(head, numGlyphs, locaLength) {
+        var data = head.data;
+        var version = int32(data[0], data[1], data[2], data[3]);
+
+        if (version >> 16 !== 1) {
+          (0, _util.info)("Attempting to fix invalid version in head table: " + version);
+          data[0] = 0;
+          data[1] = 1;
+          data[2] = 0;
+          data[3] = 0;
+        }
+
+        var indexToLocFormat = int16(data[50], data[51]);
+
+        if (indexToLocFormat < 0 || indexToLocFormat > 1) {
+          (0, _util.info)("Attempting to fix invalid indexToLocFormat in head table: " + indexToLocFormat);
+          var numGlyphsPlusOne = numGlyphs + 1;
+
+          if (locaLength === numGlyphsPlusOne << 1) {
+            data[50] = 0;
+            data[51] = 0;
+          } else if (locaLength === numGlyphsPlusOne << 2) {
+            data[50] = 0;
+            data[51] = 1;
+          } else {
+            throw new _util.FormatError("Could not fix indexToLocFormat: " + indexToLocFormat);
+          }
+        }
+      }
+
+      function sanitizeGlyphLocations(loca, glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions) {
+        var itemSize, itemDecode, itemEncode;
+
+        if (isGlyphLocationsLong) {
+          itemSize = 4;
+
+          itemDecode = function fontItemDecodeLong(data, offset) {
+            return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
+          };
+
+          itemEncode = function fontItemEncodeLong(data, offset, value) {
+            data[offset] = value >>> 24 & 0xff;
+            data[offset + 1] = value >> 16 & 0xff;
+            data[offset + 2] = value >> 8 & 0xff;
+            data[offset + 3] = value & 0xff;
+          };
+        } else {
+          itemSize = 2;
+
+          itemDecode = function fontItemDecode(data, offset) {
+            return data[offset] << 9 | data[offset + 1] << 1;
+          };
+
+          itemEncode = function fontItemEncode(data, offset, value) {
+            data[offset] = value >> 9 & 0xff;
+            data[offset + 1] = value >> 1 & 0xff;
+          };
+        }
+
+        var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;
+        var locaDataSize = itemSize * (1 + numGlyphsOut);
+        var locaData = new Uint8Array(locaDataSize);
+        locaData.set(loca.data.subarray(0, locaDataSize));
+        loca.data = locaData;
+        var oldGlyfData = glyf.data;
+        var oldGlyfDataLength = oldGlyfData.length;
+        var newGlyfData = new Uint8Array(oldGlyfDataLength);
+        var i, j;
+        const locaEntries = [];
+
+        for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {
+          let offset = itemDecode(locaData, j);
+
+          if (offset > oldGlyfDataLength) {
+            offset = oldGlyfDataLength;
+          }
+
+          locaEntries.push({
+            index: i,
+            offset,
+            endOffset: 0
+          });
+        }
+
+        locaEntries.sort((a, b) => {
+          return a.offset - b.offset;
+        });
+
+        for (i = 0; i < numGlyphs; i++) {
+          locaEntries[i].endOffset = locaEntries[i + 1].offset;
+        }
+
+        locaEntries.sort((a, b) => {
+          return a.index - b.index;
+        });
+        var missingGlyphs = Object.create(null);
+        var writeOffset = 0;
+        itemEncode(locaData, 0, writeOffset);
+
+        for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {
+          var glyphProfile = sanitizeGlyph(oldGlyfData, locaEntries[i].offset, locaEntries[i].endOffset, newGlyfData, writeOffset, hintsValid);
+          var newLength = glyphProfile.length;
+
+          if (newLength === 0) {
+            missingGlyphs[i] = true;
+          }
+
+          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {
+            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;
+          }
+
+          writeOffset += newLength;
+          itemEncode(locaData, j, writeOffset);
+        }
+
+        if (writeOffset === 0) {
+          var simpleGlyph = new Uint8Array([0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]);
+
+          for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {
+            itemEncode(locaData, j, simpleGlyph.length);
+          }
+
+          glyf.data = simpleGlyph;
+        } else if (dupFirstEntry) {
+          var firstEntryLength = itemDecode(locaData, itemSize);
+
+          if (newGlyfData.length > firstEntryLength + writeOffset) {
+            glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);
+          } else {
+            glyf.data = new Uint8Array(firstEntryLength + writeOffset);
+            glyf.data.set(newGlyfData.subarray(0, writeOffset));
+          }
+
+          glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);
+          itemEncode(loca.data, locaData.length - itemSize, writeOffset + firstEntryLength);
+        } else {
+          glyf.data = newGlyfData.subarray(0, writeOffset);
+        }
+
+        return {
+          missingGlyphs,
+          maxSizeOfInstructions
+        };
+      }
+
+      function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {
+        var start = (font.start ? font.start : 0) + post.offset;
+        font.pos = start;
+        var length = post.length,
+            end = start + length;
+        var version = font.getInt32();
+        font.skip(28);
+        var glyphNames;
+        var valid = true;
+        var i;
+
+        switch (version) {
+          case 0x00010000:
+            glyphNames = MacStandardGlyphOrdering;
+            break;
+
+          case 0x00020000:
+            var numGlyphs = font.getUint16();
+
+            if (numGlyphs !== maxpNumGlyphs) {
+              valid = false;
+              break;
+            }
+
+            var glyphNameIndexes = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var index = font.getUint16();
+
+              if (index >= 32768) {
+                valid = false;
+                break;
+              }
+
+              glyphNameIndexes.push(index);
+            }
+
+            if (!valid) {
+              break;
+            }
+
+            var customNames = [];
+            var strBuf = [];
+
+            while (font.pos < end) {
+              var stringLength = font.getByte();
+              strBuf.length = stringLength;
+
+              for (i = 0; i < stringLength; ++i) {
+                strBuf[i] = String.fromCharCode(font.getByte());
+              }
+
+              customNames.push(strBuf.join(""));
+            }
+
+            glyphNames = [];
+
+            for (i = 0; i < numGlyphs; ++i) {
+              var j = glyphNameIndexes[i];
+
+              if (j < 258) {
+                glyphNames.push(MacStandardGlyphOrdering[j]);
+                continue;
+              }
+
+              glyphNames.push(customNames[j - 258]);
+            }
+
+            break;
+
+          case 0x00030000:
+            break;
+
+          default:
+            (0, _util.warn)("Unknown/unsupported post table version " + version);
+            valid = false;
+
+            if (propertiesObj.defaultEncoding) {
+              glyphNames = propertiesObj.defaultEncoding;
+            }
+
+            break;
+        }
+
+        propertiesObj.glyphNames = glyphNames;
+        return valid;
+      }
+
+      function readNameTable(nameTable) {
+        var start = (font.start ? font.start : 0) + nameTable.offset;
+        font.pos = start;
+        var names = [[], []];
+        var length = nameTable.length,
+            end = start + length;
+        var format = font.getUint16();
+        var FORMAT_0_HEADER_LENGTH = 6;
+
+        if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {
+          return names;
+        }
+
+        var numRecords = font.getUint16();
+        var stringsStart = font.getUint16();
+        var records = [];
+        var NAME_RECORD_LENGTH = 12;
+        var i, ii;
+
+        for (i = 0; i < numRecords && font.pos + NAME_RECORD_LENGTH <= end; i++) {
+          var r = {
+            platform: font.getUint16(),
+            encoding: font.getUint16(),
+            language: font.getUint16(),
+            name: font.getUint16(),
+            length: font.getUint16(),
+            offset: font.getUint16()
+          };
+
+          if (r.platform === 1 && r.encoding === 0 && r.language === 0 || r.platform === 3 && r.encoding === 1 && r.language === 0x409) {
+            records.push(r);
+          }
+        }
+
+        for (i = 0, ii = records.length; i < ii; i++) {
+          var record = records[i];
+
+          if (record.length <= 0) {
+            continue;
+          }
+
+          var pos = start + stringsStart + record.offset;
+
+          if (pos + record.length > end) {
+            continue;
+          }
+
+          font.pos = pos;
+          var nameIndex = record.name;
+
+          if (record.encoding) {
+            var str = "";
+
+            for (var j = 0, jj = record.length; j < jj; j += 2) {
+              str += String.fromCharCode(font.getUint16());
+            }
+
+            names[1][nameIndex] = str;
+          } else {
+            names[0][nameIndex] = (0, _util.bytesToString)(font.getBytes(record.length));
+          }
+        }
+
+        return names;
+      }
+
+      var TTOpsStackDeltas = [0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];
+
+      function sanitizeTTProgram(table, ttContext) {
+        var data = table.data;
+        var i = 0,
+            j,
+            n,
+            b,
+            funcId,
+            pc,
+            lastEndf = 0,
+            lastDeff = 0;
+        var stack = [];
+        var callstack = [];
+        var functionsCalled = [];
+        var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;
+        var inFDEF = false,
+            ifLevel = 0,
+            inELSE = 0;
+
+        for (var ii = data.length; i < ii;) {
+          var op = data[i++];
+
+          if (op === 0x40) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if (op === 0x41) {
+            n = data[i++];
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb0) {
+            n = op - 0xb0 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n;
+            } else {
+              for (j = 0; j < n; j++) {
+                stack.push(data[i++]);
+              }
+            }
+          } else if ((op & 0xf8) === 0xb8) {
+            n = op - 0xb8 + 1;
+
+            if (inFDEF || inELSE) {
+              i += n * 2;
+            } else {
+              for (j = 0; j < n; j++) {
+                b = data[i++];
+                stack.push(b << 8 | data[i++]);
+              }
+            }
+          } else if (op === 0x2b && !tooComplexToFollowFunctions) {
+            if (!inFDEF && !inELSE) {
+              funcId = stack[stack.length - 1];
+
+              if (isNaN(funcId)) {
+                (0, _util.info)("TT: CALL empty stack (or invalid entry).");
+              } else {
+                ttContext.functionsUsed[funcId] = true;
+
+                if (funcId in ttContext.functionsStackDeltas) {
+                  const newStackLength = stack.length + ttContext.functionsStackDeltas[funcId];
+
+                  if (newStackLength < 0) {
+                    (0, _util.warn)("TT: CALL invalid functions stack delta.");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  stack.length = newStackLength;
+                } else if (funcId in ttContext.functionsDefined && !functionsCalled.includes(funcId)) {
+                  callstack.push({
+                    data,
+                    i,
+                    stackTop: stack.length - 1
+                  });
+                  functionsCalled.push(funcId);
+                  pc = ttContext.functionsDefined[funcId];
+
+                  if (!pc) {
+                    (0, _util.warn)("TT: CALL non-existent function");
+                    ttContext.hintsValid = false;
+                    return;
+                  }
+
+                  data = pc.data;
+                  i = pc.i;
+                }
+              }
+            }
+          } else if (op === 0x2c && !tooComplexToFollowFunctions) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested FDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+            funcId = stack.pop();
+            ttContext.functionsDefined[funcId] = {
+              data,
+              i
+            };
+          } else if (op === 0x2d) {
+            if (inFDEF) {
+              inFDEF = false;
+              lastEndf = i;
+            } else {
+              pc = callstack.pop();
+
+              if (!pc) {
+                (0, _util.warn)("TT: ENDF bad stack");
+                ttContext.hintsValid = false;
+                return;
+              }
+
+              funcId = functionsCalled.pop();
+              data = pc.data;
+              i = pc.i;
+              ttContext.functionsStackDeltas[funcId] = stack.length - pc.stackTop;
+            }
+          } else if (op === 0x89) {
+            if (inFDEF || inELSE) {
+              (0, _util.warn)("TT: nested IDEFs not allowed");
+              tooComplexToFollowFunctions = true;
+            }
+
+            inFDEF = true;
+            lastDeff = i;
+          } else if (op === 0x58) {
+            ++ifLevel;
+          } else if (op === 0x1b) {
+            inELSE = ifLevel;
+          } else if (op === 0x59) {
+            if (inELSE === ifLevel) {
+              inELSE = 0;
+            }
+
+            --ifLevel;
+          } else if (op === 0x1c) {
+            if (!inFDEF && !inELSE) {
+              var offset = stack[stack.length - 1];
+
+              if (offset > 0) {
+                i += offset - 1;
+              }
+            }
+          }
+
+          if (!inFDEF && !inELSE) {
+            let stackDelta = 0;
+
+            if (op <= 0x8e) {
+              stackDelta = TTOpsStackDeltas[op];
+            } else if (op >= 0xc0 && op <= 0xdf) {
+              stackDelta = -1;
+            } else if (op >= 0xe0) {
+              stackDelta = -2;
+            }
+
+            if (op >= 0x71 && op <= 0x75) {
+              n = stack.pop();
+
+              if (!isNaN(n)) {
+                stackDelta = -n * 2;
+              }
+            }
+
+            while (stackDelta < 0 && stack.length > 0) {
+              stack.pop();
+              stackDelta++;
+            }
+
+            while (stackDelta > 0) {
+              stack.push(NaN);
+              stackDelta--;
+            }
+          }
+        }
+
+        ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;
+        var content = [data];
+
+        if (i > data.length) {
+          content.push(new Uint8Array(i - data.length));
+        }
+
+        if (lastDeff > lastEndf) {
+          (0, _util.warn)("TT: complementing a missing function tail");
+          content.push(new Uint8Array([0x22, 0x2d]));
+        }
+
+        foldTTTable(table, content);
+      }
+
+      function checkInvalidFunctions(ttContext, maxFunctionDefs) {
+        if (ttContext.tooComplexToFollowFunctions) {
+          return;
+        }
+
+        if (ttContext.functionsDefined.length > maxFunctionDefs) {
+          (0, _util.warn)("TT: more functions defined than expected");
+          ttContext.hintsValid = false;
+          return;
+        }
+
+        for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {
+          if (j > maxFunctionDefs) {
+            (0, _util.warn)("TT: invalid function id: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+
+          if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {
+            (0, _util.warn)("TT: undefined function: " + j);
+            ttContext.hintsValid = false;
+            return;
+          }
+        }
+      }
+
+      function foldTTTable(table, content) {
+        if (content.length > 1) {
+          var newLength = 0;
+          var j, jj;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            newLength += content[j].length;
+          }
+
+          newLength = newLength + 3 & ~3;
+          var result = new Uint8Array(newLength);
+          var pos = 0;
+
+          for (j = 0, jj = content.length; j < jj; j++) {
+            result.set(content[j], pos);
+            pos += content[j].length;
+          }
+
+          table.data = result;
+          table.length = newLength;
+        }
+      }
+
+      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {
+        var ttContext = {
+          functionsDefined: [],
+          functionsUsed: [],
+          functionsStackDeltas: [],
+          tooComplexToFollowFunctions: false,
+          hintsValid: true
+        };
+
+        if (fpgm) {
+          sanitizeTTProgram(fpgm, ttContext);
+        }
+
+        if (prep) {
+          sanitizeTTProgram(prep, ttContext);
+        }
+
+        if (fpgm) {
+          checkInvalidFunctions(ttContext, maxFunctionDefs);
+        }
+
+        if (cvt && cvt.length & 1) {
+          var cvtData = new Uint8Array(cvt.length + 1);
+          cvtData.set(cvt.data);
+          cvt.data = cvtData;
+        }
+
+        return ttContext.hintsValid;
+      }
+
+      font = new _stream.Stream(new Uint8Array(font.getBytes()));
+      let header, tables;
+
+      if (isTrueTypeCollectionFile(font)) {
+        const ttcData = readTrueTypeCollectionData(font, this.name);
+        header = ttcData.header;
+        tables = ttcData.tables;
+      } else {
+        header = readOpenTypeHeader(font);
+        tables = readTables(font, header.numTables);
+      }
+
+      let cff, cffFile;
+      var isTrueType = !tables["CFF "];
+
+      if (!isTrueType) {
+        const isComposite = properties.composite && ((properties.cidToGidMap || []).length > 0 || !(properties.cMap instanceof _cmap.IdentityCMap));
+
+        if (header.version === "OTTO" && !isComposite || !tables.head || !tables.hhea || !tables.maxp || !tables.post) {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          cff = new CFFFont(cffFile, properties);
+          adjustWidths(properties);
+          return this.convert(name, cff, properties);
+        }
+
+        delete tables.glyf;
+        delete tables.loca;
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+        this.isOpenType = true;
+      } else {
+        if (!tables.loca) {
+          throw new _util.FormatError('Required "loca" table is not found');
+        }
+
+        if (!tables.glyf) {
+          (0, _util.warn)('Required "glyf" table is not found -- trying to recover.');
+          tables.glyf = {
+            tag: "glyf",
+            data: new Uint8Array(0)
+          };
+        }
+
+        this.isOpenType = false;
+      }
+
+      if (!tables.maxp) {
+        throw new _util.FormatError('Required "maxp" table is not found');
+      }
+
+      font.pos = (font.start || 0) + tables.maxp.offset;
+      var version = font.getInt32();
+      const numGlyphs = font.getUint16();
+      let numGlyphsOut = numGlyphs + 1;
+      let dupFirstEntry = true;
+
+      if (numGlyphsOut > 0xffff) {
+        dupFirstEntry = false;
+        numGlyphsOut = numGlyphs;
+        (0, _util.warn)("Not enough space in glyfs to duplicate first glyph.");
+      }
+
+      var maxFunctionDefs = 0;
+      var maxSizeOfInstructions = 0;
+
+      if (version >= 0x00010000 && tables.maxp.length >= 22) {
+        font.pos += 8;
+        var maxZones = font.getUint16();
+
+        if (maxZones > 2) {
+          tables.maxp.data[14] = 0;
+          tables.maxp.data[15] = 2;
+        }
+
+        font.pos += 4;
+        maxFunctionDefs = font.getUint16();
+        font.pos += 4;
+        maxSizeOfInstructions = font.getUint16();
+      }
+
+      tables.maxp.data[4] = numGlyphsOut >> 8;
+      tables.maxp.data[5] = numGlyphsOut & 255;
+      var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, tables["cvt "], maxFunctionDefs);
+
+      if (!hintsValid) {
+        delete tables.fpgm;
+        delete tables.prep;
+        delete tables["cvt "];
+      }
+
+      sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphsOut, dupFirstEntry);
+
+      if (!tables.head) {
+        throw new _util.FormatError('Required "head" table is not found');
+      }
+
+      sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);
+      var missingGlyphs = Object.create(null);
+
+      if (isTrueType) {
+        var isGlyphLocationsLong = int16(tables.head.data[50], tables.head.data[51]);
+        var glyphsInfo = sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions);
+        missingGlyphs = glyphsInfo.missingGlyphs;
+
+        if (version >= 0x00010000 && tables.maxp.length >= 22) {
+          tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;
+          tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;
+        }
+      }
+
+      if (!tables.hhea) {
+        throw new _util.FormatError('Required "hhea" table is not found');
+      }
+
+      if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {
+        tables.hhea.data[10] = 0xff;
+        tables.hhea.data[11] = 0xff;
+      }
+
+      var metricsOverride = {
+        unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),
+        yMax: int16(tables.head.data[42], tables.head.data[43]),
+        yMin: signedInt16(tables.head.data[38], tables.head.data[39]),
+        ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),
+        descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7])
+      };
+      this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;
+      this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;
+
+      if (tables.post) {
+        readPostScriptTable(tables.post, properties, numGlyphs);
+      }
+
+      tables.post = {
+        tag: "post",
+        data: createPostTable(properties)
+      };
+      const charCodeToGlyphId = [];
+
+      function hasGlyph(glyphId) {
+        return !missingGlyphs[glyphId];
+      }
+
+      if (properties.composite) {
+        var cidToGidMap = properties.cidToGidMap || [];
+        var isCidToGidMapEmpty = cidToGidMap.length === 0;
+        properties.cMap.forEach(function (charCode, cid) {
+          if (cid > 0xffff) {
+            throw new _util.FormatError("Max size of CID is 65,535");
+          }
+
+          var glyphId = -1;
+
+          if (isCidToGidMapEmpty) {
+            glyphId = cid;
+          } else if (cidToGidMap[cid] !== undefined) {
+            glyphId = cidToGidMap[cid];
+          }
+
+          if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        });
+      } else {
+        var cmapTable = readCmapTable(tables.cmap, font, this.isSymbolicFont, properties.hasEncoding);
+        var cmapPlatformId = cmapTable.platformId;
+        var cmapEncodingId = cmapTable.encodingId;
+        var cmapMappings = cmapTable.mappings;
+        var cmapMappingsLength = cmapMappings.length;
+        let baseEncoding = [];
+
+        if (properties.hasEncoding && (properties.baseEncodingName === "MacRomanEncoding" || properties.baseEncodingName === "WinAnsiEncoding")) {
+          baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+        }
+
+        if (properties.hasEncoding && !this.isSymbolicFont && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0)) {
+          var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+
+          for (let charCode = 0; charCode < 256; charCode++) {
+            var glyphName, standardGlyphName;
+
+            if (this.differences && charCode in this.differences) {
+              glyphName = this.differences[charCode];
+            } else if (charCode in baseEncoding && baseEncoding[charCode] !== "") {
+              glyphName = baseEncoding[charCode];
+            } else {
+              glyphName = _encodings.StandardEncoding[charCode];
+            }
+
+            if (!glyphName) {
+              continue;
+            }
+
+            standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+            var unicodeOrCharCode;
+
+            if (cmapPlatformId === 3 && cmapEncodingId === 1) {
+              unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];
+            } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {
+              unicodeOrCharCode = _encodings.MacRomanEncoding.indexOf(standardGlyphName);
+            }
+
+            for (let i = 0; i < cmapMappingsLength; ++i) {
+              if (cmapMappings[i].charCode !== unicodeOrCharCode) {
+                continue;
+              }
+
+              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
+              break;
+            }
+          }
+        } else if (cmapPlatformId === 0) {
+          for (let i = 0; i < cmapMappingsLength; ++i) {
+            charCodeToGlyphId[cmapMappings[i].charCode] = cmapMappings[i].glyphId;
+          }
+        } else {
+          for (let i = 0; i < cmapMappingsLength; ++i) {
+            let charCode = cmapMappings[i].charCode;
+
+            if (cmapPlatformId === 3 && charCode >= 0xf000 && charCode <= 0xf0ff) {
+              charCode &= 0xff;
+            }
+
+            charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
+          }
+        }
+
+        if (properties.glyphNames && baseEncoding.length) {
+          for (let i = 0; i < 256; ++i) {
+            if (charCodeToGlyphId[i] === undefined && baseEncoding[i]) {
+              glyphName = baseEncoding[i];
+              const glyphId = properties.glyphNames.indexOf(glyphName);
+
+              if (glyphId > 0 && hasGlyph(glyphId)) {
+                charCodeToGlyphId[i] = glyphId;
+              }
+            }
+          }
+        }
+      }
+
+      if (charCodeToGlyphId.length === 0) {
+        charCodeToGlyphId[0] = 0;
+      }
+
+      let glyphZeroId = numGlyphsOut - 1;
+
+      if (!dupFirstEntry) {
+        glyphZeroId = 0;
+      }
+
+      var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      tables.cmap = {
+        tag: "cmap",
+        data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut)
+      };
+
+      if (!tables["OS/2"] || !validateOS2Table(tables["OS/2"], font)) {
+        tables["OS/2"] = {
+          tag: "OS/2",
+          data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride)
+        };
+      }
+
+      if (!isTrueType) {
+        try {
+          cffFile = new _stream.Stream(tables["CFF "].data);
+          var parser = new _cff_parser.CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED);
+          cff = parser.parse();
+          cff.duplicateFirstGlyph();
+          var compiler = new _cff_parser.CFFCompiler(cff);
+          tables["CFF "].data = compiler.compile();
+        } catch (e) {
+          (0, _util.warn)("Failed to compile font " + properties.loadedName);
+        }
+      }
+
+      if (!tables.name) {
+        tables.name = {
+          tag: "name",
+          data: createNameTable(this.name)
+        };
+      } else {
+        var namePrototype = readNameTable(tables.name);
+        tables.name.data = createNameTable(name, namePrototype);
+      }
+
+      var builder = new OpenTypeFileBuilder(header.version);
+
+      for (var tableTag in tables) {
+        builder.addTable(tableTag, tables[tableTag].data);
+      }
+
+      return builder.toArray();
+    },
+    convert: function Font_convert(fontName, font, properties) {
+      properties.fixedPitch = false;
+
+      if (properties.builtInEncoding) {
+        adjustToUnicode(properties, properties.builtInEncoding);
+      }
+
+      let glyphZeroId = 1;
+
+      if (font instanceof CFFFont) {
+        glyphZeroId = font.numGlyphs - 1;
+      }
+
+      var mapping = font.getGlyphMapping(properties);
+      var newMapping = adjustMapping(mapping, font.hasGlyphId.bind(font), glyphZeroId);
+      this.toFontChar = newMapping.toFontChar;
+      var numGlyphs = font.numGlyphs;
+
+      function getCharCodes(charCodeToGlyphId, glyphId) {
+        var charCodes = null;
+
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            if (!charCodes) {
+              charCodes = [];
+            }
+
+            charCodes.push(charCode | 0);
+          }
+        }
+
+        return charCodes;
+      }
+
+      function createCharCode(charCodeToGlyphId, glyphId) {
+        for (var charCode in charCodeToGlyphId) {
+          if (glyphId === charCodeToGlyphId[charCode]) {
+            return charCode | 0;
+          }
+        }
+
+        newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = glyphId;
+        return newMapping.nextAvailableFontCharCode++;
+      }
+
+      var seacs = font.seacs;
+
+      if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {
+        var matrix = properties.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+        var charset = font.getCharset();
+        var seacMap = Object.create(null);
+
+        for (var glyphId in seacs) {
+          glyphId |= 0;
+          var seac = seacs[glyphId];
+          var baseGlyphName = _encodings.StandardEncoding[seac[2]];
+          var accentGlyphName = _encodings.StandardEncoding[seac[3]];
+          var baseGlyphId = charset.indexOf(baseGlyphName);
+          var accentGlyphId = charset.indexOf(accentGlyphName);
+
+          if (baseGlyphId < 0 || accentGlyphId < 0) {
+            continue;
+          }
+
+          var accentOffset = {
+            x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],
+            y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5]
+          };
+          var charCodes = getCharCodes(mapping, glyphId);
+
+          if (!charCodes) {
+            continue;
+          }
+
+          for (let i = 0, ii = charCodes.length; i < ii; i++) {
+            var charCode = charCodes[i];
+            var charCodeToGlyphId = newMapping.charCodeToGlyphId;
+            var baseFontCharCode = createCharCode(charCodeToGlyphId, baseGlyphId);
+            var accentFontCharCode = createCharCode(charCodeToGlyphId, accentGlyphId);
+            seacMap[charCode] = {
+              baseFontCharCode,
+              accentFontCharCode,
+              accentOffset
+            };
+          }
+        }
+
+        properties.seacMap = seacMap;
+      }
+
+      var unitsPerEm = 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
+      var builder = new OpenTypeFileBuilder("\x4F\x54\x54\x4F");
+      builder.addTable("CFF ", font.data);
+      builder.addTable("OS/2", createOS2Table(properties, newMapping.charCodeToGlyphId));
+      builder.addTable("cmap", createCmapTable(newMapping.charCodeToGlyphId, numGlyphs));
+      builder.addTable("head", "\x00\x01\x00\x00" + "\x00\x00\x10\x00" + "\x00\x00\x00\x00" + "\x5F\x0F\x3C\xF5" + "\x00\x00" + safeString16(unitsPerEm) + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00" + safeString16(properties.descent) + "\x0F\xFF" + safeString16(properties.ascent) + string16(properties.italicAngle ? 2 : 0) + "\x00\x11" + "\x00\x00" + "\x00\x00" + "\x00\x00");
+      builder.addTable("hhea", "\x00\x01\x00\x00" + safeString16(properties.ascent) + safeString16(properties.descent) + "\x00\x00" + "\xFF\xFF" + "\x00\x00" + "\x00\x00" + "\x00\x00" + safeString16(properties.capHeight) + safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + string16(numGlyphs));
+      builder.addTable("hmtx", function fontFieldsHmtx() {
+        var charstrings = font.charstrings;
+        var cffWidths = font.cff ? font.cff.widths : null;
+        var hmtx = "\x00\x00\x00\x00";
+
+        for (let i = 1, ii = numGlyphs; i < ii; i++) {
+          var width = 0;
+
+          if (charstrings) {
+            var charstring = charstrings[i - 1];
+            width = "width" in charstring ? charstring.width : 0;
+          } else if (cffWidths) {
+            width = Math.ceil(cffWidths[i] || 0);
+          }
+
+          hmtx += string16(width) + string16(0);
+        }
+
+        return hmtx;
+      }());
+      builder.addTable("maxp", "\x00\x00\x50\x00" + string16(numGlyphs));
+      builder.addTable("name", createNameTable(fontName));
+      builder.addTable("post", createPostTable(properties));
+      return builder.toArray();
+    },
+
+    get spaceWidth() {
+      var possibleSpaceReplacements = ["space", "minus", "one", "i", "I"];
+      var width;
+
+      for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
+        var glyphName = possibleSpaceReplacements[i];
+
+        if (glyphName in this.widths) {
+          width = this.widths[glyphName];
+          break;
+        }
+
+        var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        var glyphUnicode = glyphsUnicodeMap[glyphName];
+        var charcode = 0;
+
+        if (this.composite && this.cMap.contains(glyphUnicode)) {
+          charcode = this.cMap.lookup(glyphUnicode);
+        }
+
+        if (!charcode && this.toUnicode) {
+          charcode = this.toUnicode.charCodeOf(glyphUnicode);
+        }
+
+        if (charcode <= 0) {
+          charcode = glyphUnicode;
+        }
+
+        width = this.widths[charcode];
+
+        if (width) {
+          break;
+        }
+      }
+
+      width = width || this.defaultWidth;
+      return (0, _util.shadow)(this, "spaceWidth", width);
+    },
+
+    charToGlyph: function Font_charToGlyph(charcode, isSpace) {
+      var fontCharCode, width, operatorListId;
+      var widthCode = charcode;
+
+      if (this.cMap && this.cMap.contains(charcode)) {
+        widthCode = this.cMap.lookup(charcode);
+      }
+
+      width = this.widths[widthCode];
+      width = (0, _util.isNum)(width) ? width : this.defaultWidth;
+      var vmetric = this.vmetrics && this.vmetrics[widthCode];
+      let unicode = this.toUnicode.get(charcode) || this.fallbackToUnicode.get(charcode) || charcode;
+
+      if (typeof unicode === "number") {
+        unicode = String.fromCharCode(unicode);
+      }
+
+      var isInFont = (charcode in this.toFontChar);
+      fontCharCode = this.toFontChar[charcode] || charcode;
+
+      if (this.missingFile) {
+        const glyphName = this.differences[charcode] || this.defaultEncoding[charcode];
+
+        if ((glyphName === ".notdef" || glyphName === "") && this.type === "Type1") {
+          fontCharCode = 0x20;
+        }
+
+        fontCharCode = (0, _unicode.mapSpecialUnicodeValues)(fontCharCode);
+      }
+
+      if (this.isType3Font) {
+        operatorListId = fontCharCode;
+      }
+
+      var accent = null;
+
+      if (this.seacMap && this.seacMap[charcode]) {
+        isInFont = true;
+        var seac = this.seacMap[charcode];
+        fontCharCode = seac.baseFontCharCode;
+        accent = {
+          fontChar: String.fromCodePoint(seac.accentFontCharCode),
+          offset: seac.accentOffset
+        };
+      }
+
+      let fontChar = "";
+
+      if (typeof fontCharCode === "number") {
+        if (fontCharCode <= 0x10ffff) {
+          fontChar = String.fromCodePoint(fontCharCode);
+        } else {
+          (0, _util.warn)(`charToGlyph - invalid fontCharCode: ${fontCharCode}`);
+        }
+      }
+
+      var glyph = this.glyphCache[charcode];
+
+      if (!glyph || !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont)) {
+        glyph = new Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont);
+        this.glyphCache[charcode] = glyph;
+      }
+
+      return glyph;
+    },
+    charsToGlyphs: function Font_charsToGlyphs(chars) {
+      var charsCache = this.charsCache;
+      var glyphs, glyph, charcode;
+
+      if (charsCache) {
+        glyphs = charsCache[chars];
+
+        if (glyphs) {
+          return glyphs;
+        }
+      }
+
+      if (!charsCache) {
+        charsCache = this.charsCache = Object.create(null);
+      }
+
+      glyphs = [];
+      var charsCacheKey = chars;
+      var i = 0,
+          ii;
+
+      if (this.cMap) {
+        var c = Object.create(null);
+
+        while (i < chars.length) {
+          this.cMap.readCharCode(chars, i, c);
+          charcode = c.charcode;
+          var length = c.length;
+          i += length;
+          var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;
+          glyph = this.charToGlyph(charcode, isSpace);
+          glyphs.push(glyph);
+        }
+      } else {
+        for (i = 0, ii = chars.length; i < ii; ++i) {
+          charcode = chars.charCodeAt(i);
+          glyph = this.charToGlyph(charcode, charcode === 0x20);
+          glyphs.push(glyph);
+        }
+      }
+
+      return charsCache[charsCacheKey] = glyphs;
+    },
+
+    get glyphCacheValues() {
+      return Object.values(this.glyphCache);
+    }
+
+  };
+  return Font;
+}();
+
+exports.Font = Font;
+
+var ErrorFont = function ErrorFontClosure() {
+  function ErrorFont(error) {
+    this.error = error;
+    this.loadedName = "g_font_error";
+    this.missingFile = true;
+  }
+
+  ErrorFont.prototype = {
+    charsToGlyphs: function ErrorFont_charsToGlyphs() {
+      return [];
+    },
+
+    exportData(extraProperties = false) {
+      return {
+        error: this.error
+      };
+    }
+
+  };
+  return ErrorFont;
+}();
+
+exports.ErrorFont = ErrorFont;
+
+function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {
+  var charCodeToGlyphId = Object.create(null);
+  var glyphId, charCode, baseEncoding;
+  var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
+
+  if (properties.baseEncodingName) {
+    baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  } else if (isSymbolicFont) {
+    for (charCode in builtInEncoding) {
+      charCodeToGlyphId[charCode] = builtInEncoding[charCode];
+    }
+  } else {
+    baseEncoding = _encodings.StandardEncoding;
+
+    for (charCode = 0; charCode < baseEncoding.length; charCode++) {
+      glyphId = glyphNames.indexOf(baseEncoding[charCode]);
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  var differences = properties.differences,
+      glyphsUnicodeMap;
+
+  if (differences) {
+    for (charCode in differences) {
+      var glyphName = differences[charCode];
+      glyphId = glyphNames.indexOf(glyphName);
+
+      if (glyphId === -1) {
+        if (!glyphsUnicodeMap) {
+          glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
+        }
+
+        var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
+
+        if (standardGlyphName !== glyphName) {
+          glyphId = glyphNames.indexOf(standardGlyphName);
+        }
+      }
+
+      if (glyphId >= 0) {
+        charCodeToGlyphId[charCode] = glyphId;
+      } else {
+        charCodeToGlyphId[charCode] = 0;
+      }
+    }
+  }
+
+  return charCodeToGlyphId;
+}
+
+var Type1Font = function Type1FontClosure() {
+  function findBlock(streamBytes, signature, startIndex) {
+    var streamBytesLength = streamBytes.length;
+    var signatureLength = signature.length;
+    var scanLength = streamBytesLength - signatureLength;
+    var i = startIndex,
+        j,
+        found = false;
+
+    while (i < scanLength) {
+      j = 0;
+
+      while (j < signatureLength && streamBytes[i + j] === signature[j]) {
+        j++;
+      }
+
+      if (j >= signatureLength) {
+        i += j;
+
+        while (i < streamBytesLength && (0, _core_utils.isWhiteSpace)(streamBytes[i])) {
+          i++;
+        }
+
+        found = true;
+        break;
+      }
+
+      i++;
+    }
+
+    return {
+      found,
+      length: i
+    };
+  }
+
+  function getHeaderBlock(stream, suggestedLength) {
+    var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];
+    var streamStartPos = stream.pos;
+    var headerBytes, headerBytesLength, block;
+
+    try {
+      headerBytes = stream.getBytes(suggestedLength);
+      headerBytesLength = headerBytes.length;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+    }
+
+    if (headerBytesLength === suggestedLength) {
+      block = findBlock(headerBytes, EEXEC_SIGNATURE, suggestedLength - 2 * EEXEC_SIGNATURE.length);
+
+      if (block.found && block.length === suggestedLength) {
+        return {
+          stream: new _stream.Stream(headerBytes),
+          length: suggestedLength
+        };
+      }
+    }
+
+    (0, _util.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');
+    stream.pos = streamStartPos;
+    var SCAN_BLOCK_LENGTH = 2048;
+    var actualLength;
+
+    while (true) {
+      var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+      block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);
+
+      if (block.length === 0) {
+        break;
+      }
+
+      stream.pos += block.length;
+
+      if (block.found) {
+        actualLength = stream.pos - streamStartPos;
+        break;
+      }
+    }
+
+    stream.pos = streamStartPos;
+
+    if (actualLength) {
+      return {
+        stream: new _stream.Stream(stream.getBytes(actualLength)),
+        length: actualLength
+      };
+    }
+
+    (0, _util.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');
+    return {
+      stream: new _stream.Stream(stream.getBytes(suggestedLength)),
+      length: suggestedLength
+    };
+  }
+
+  function getEexecBlock(stream, suggestedLength) {
+    var eexecBytes = stream.getBytes();
+    return {
+      stream: new _stream.Stream(eexecBytes),
+      length: eexecBytes.length
+    };
+  }
+
+  function Type1Font(name, file, properties) {
+    var PFB_HEADER_SIZE = 6;
+    var headerBlockLength = properties.length1;
+    var eexecBlockLength = properties.length2;
+    var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);
+    var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;
+
+    if (pfbHeaderPresent) {
+      file.skip(PFB_HEADER_SIZE);
+      headerBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var headerBlock = getHeaderBlock(file, headerBlockLength);
+    var headerBlockParser = new _type1_parser.Type1Parser(headerBlock.stream, false, SEAC_ANALYSIS_ENABLED);
+    headerBlockParser.extractFontHeader(properties);
+
+    if (pfbHeaderPresent) {
+      pfbHeader = file.getBytes(PFB_HEADER_SIZE);
+      eexecBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
+    }
+
+    var eexecBlock = getEexecBlock(file, eexecBlockLength);
+    var eexecBlockParser = new _type1_parser.Type1Parser(eexecBlock.stream, true, SEAC_ANALYSIS_ENABLED);
+    var data = eexecBlockParser.extractFontProgram(properties);
+
+    for (const key in data.properties) {
+      properties[key] = data.properties[key];
+    }
+
+    var charstrings = data.charstrings;
+    var type2Charstrings = this.getType2Charstrings(charstrings);
+    var subrs = this.getType2Subrs(data.subrs);
+    this.charstrings = charstrings;
+    this.data = this.wrap(name, type2Charstrings, this.charstrings, subrs, properties);
+    this.seacs = this.getSeacs(data.charstrings);
+  }
+
+  Type1Font.prototype = {
+    get numGlyphs() {
+      return this.charstrings.length + 1;
+    },
+
+    getCharset: function Type1Font_getCharset() {
+      var charset = [".notdef"];
+      var charstrings = this.charstrings;
+
+      for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        charset.push(charstrings[glyphId].glyphName);
+      }
+
+      return charset;
+    },
+    getGlyphMapping: function Type1Font_getGlyphMapping(properties) {
+      var charstrings = this.charstrings;
+
+      if (properties.composite) {
+        const charCodeToGlyphId = Object.create(null);
+
+        for (let glyphId = 0, charstringsLen = charstrings.length; glyphId < charstringsLen; glyphId++) {
+          const charCode = properties.cMap.charCodeOf(glyphId);
+          charCodeToGlyphId[charCode] = glyphId + 1;
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var glyphNames = [".notdef"],
+          glyphId;
+
+      for (glyphId = 0; glyphId < charstrings.length; glyphId++) {
+        glyphNames.push(charstrings[glyphId].glyphName);
+      }
+
+      var encoding = properties.builtInEncoding;
+
+      if (encoding) {
+        var builtInEncoding = Object.create(null);
+
+        for (var charCode in encoding) {
+          glyphId = glyphNames.indexOf(encoding[charCode]);
+
+          if (glyphId >= 0) {
+            builtInEncoding[charCode] = glyphId;
+          }
+        }
+      }
+
+      return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);
+    },
+    hasGlyphId: function Type1Font_hasGlyphID(id) {
+      if (id < 0 || id >= this.numGlyphs) {
+        return false;
+      }
+
+      if (id === 0) {
+        return true;
+      }
+
+      var glyph = this.charstrings[id - 1];
+      return glyph.charstring.length > 0;
+    },
+    getSeacs: function Type1Font_getSeacs(charstrings) {
+      var i, ii;
+      var seacMap = [];
+
+      for (i = 0, ii = charstrings.length; i < ii; i++) {
+        var charstring = charstrings[i];
+
+        if (charstring.seac) {
+          seacMap[i + 1] = charstring.seac;
+        }
+      }
+
+      return seacMap;
+    },
+    getType2Charstrings: function Type1Font_getType2Charstrings(type1Charstrings) {
+      var type2Charstrings = [];
+
+      for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {
+        type2Charstrings.push(type1Charstrings[i].charstring);
+      }
+
+      return type2Charstrings;
+    },
+    getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
+      var bias = 0;
+      var count = type1Subrs.length;
+
+      if (count < 1133) {
+        bias = 107;
+      } else if (count < 33769) {
+        bias = 1131;
+      } else {
+        bias = 32768;
+      }
+
+      var type2Subrs = [];
+      var i;
+
+      for (i = 0; i < bias; i++) {
+        type2Subrs.push([0x0b]);
+      }
+
+      for (i = 0; i < count; i++) {
+        type2Subrs.push(type1Subrs[i]);
+      }
+
+      return type2Subrs;
+    },
+    wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) {
+      var cff = new _cff_parser.CFF();
+      cff.header = new _cff_parser.CFFHeader(1, 0, 4, 4);
+      cff.names = [name];
+      var topDict = new _cff_parser.CFFTopDict();
+      topDict.setByName("version", 391);
+      topDict.setByName("Notice", 392);
+      topDict.setByName("FullName", 393);
+      topDict.setByName("FamilyName", 394);
+      topDict.setByName("Weight", 395);
+      topDict.setByName("Encoding", null);
+      topDict.setByName("FontMatrix", properties.fontMatrix);
+      topDict.setByName("FontBBox", properties.bbox);
+      topDict.setByName("charset", null);
+      topDict.setByName("CharStrings", null);
+      topDict.setByName("Private", null);
+      cff.topDict = topDict;
+      var strings = new _cff_parser.CFFStrings();
+      strings.add("Version 0.11");
+      strings.add("See original notice");
+      strings.add(name);
+      strings.add(name);
+      strings.add("Medium");
+      cff.strings = strings;
+      cff.globalSubrIndex = new _cff_parser.CFFIndex();
+      var count = glyphs.length;
+      var charsetArray = [".notdef"];
+      var i, ii;
+
+      for (i = 0; i < count; i++) {
+        const glyphName = charstrings[i].glyphName;
+
+        const index = _cff_parser.CFFStandardStrings.indexOf(glyphName);
+
+        if (index === -1) {
+          strings.add(glyphName);
+        }
+
+        charsetArray.push(glyphName);
+      }
+
+      cff.charset = new _cff_parser.CFFCharset(false, 0, charsetArray);
+      var charStringsIndex = new _cff_parser.CFFIndex();
+      charStringsIndex.add([0x8b, 0x0e]);
+
+      for (i = 0; i < count; i++) {
+        charStringsIndex.add(glyphs[i]);
+      }
+
+      cff.charStrings = charStringsIndex;
+      var privateDict = new _cff_parser.CFFPrivateDict();
+      privateDict.setByName("Subrs", null);
+      var fields = ["BlueValues", "OtherBlues", "FamilyBlues", "FamilyOtherBlues", "StemSnapH", "StemSnapV", "BlueShift", "BlueFuzz", "BlueScale", "LanguageGroup", "ExpansionFactor", "ForceBold", "StdHW", "StdVW"];
+
+      for (i = 0, ii = fields.length; i < ii; i++) {
+        var field = fields[i];
+
+        if (!(field in properties.privateData)) {
+          continue;
+        }
+
+        var value = properties.privateData[field];
+
+        if (Array.isArray(value)) {
+          for (var j = value.length - 1; j > 0; j--) {
+            value[j] -= value[j - 1];
+          }
+        }
+
+        privateDict.setByName(field, value);
+      }
+
+      cff.topDict.privateDict = privateDict;
+      var subrIndex = new _cff_parser.CFFIndex();
+
+      for (i = 0, ii = subrs.length; i < ii; i++) {
+        subrIndex.add(subrs[i]);
+      }
+
+      privateDict.subrsIndex = subrIndex;
+      var compiler = new _cff_parser.CFFCompiler(cff);
+      return compiler.compile();
+    }
+  };
+  return Type1Font;
+}();
+
+var CFFFont = function CFFFontClosure() {
+  function CFFFont(file, properties) {
+    this.properties = properties;
+    var parser = new _cff_parser.CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);
+    this.cff = parser.parse();
+    this.cff.duplicateFirstGlyph();
+    var compiler = new _cff_parser.CFFCompiler(this.cff);
+    this.seacs = this.cff.seacs;
+
+    try {
+      this.data = compiler.compile();
+    } catch (e) {
+      (0, _util.warn)("Failed to compile font " + properties.loadedName);
+      this.data = file;
+    }
+  }
+
+  CFFFont.prototype = {
+    get numGlyphs() {
+      return this.cff.charStrings.count;
+    },
+
+    getCharset: function CFFFont_getCharset() {
+      return this.cff.charset.charset;
+    },
+    getGlyphMapping: function CFFFont_getGlyphMapping() {
+      var cff = this.cff;
+      var properties = this.properties;
+      var charsets = cff.charset.charset;
+      var charCodeToGlyphId;
+      var glyphId;
+
+      if (properties.composite) {
+        charCodeToGlyphId = Object.create(null);
+        let charCode;
+
+        if (cff.isCIDFont) {
+          for (glyphId = 0; glyphId < charsets.length; glyphId++) {
+            var cid = charsets[glyphId];
+            charCode = properties.cMap.charCodeOf(cid);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        } else {
+          for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
+            charCode = properties.cMap.charCodeOf(glyphId);
+            charCodeToGlyphId[charCode] = glyphId;
+          }
+        }
+
+        return charCodeToGlyphId;
+      }
+
+      var encoding = cff.encoding ? cff.encoding.encoding : null;
+      charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);
+      return charCodeToGlyphId;
+    },
+    hasGlyphId: function CFFFont_hasGlyphID(id) {
+      return this.cff.hasGlyphId(id);
+    }
+  };
+  return CFFFont;
+}();
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/function.js b/node_modules/pdfjs-dist/lib/core/function.js
new file mode 100644
index 00000000..2e859ba3
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/function.js
@@ -0,0 +1,1438 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isPDFFunction = isPDFFunction;
+exports.PostScriptCompiler = exports.PostScriptEvaluator = exports.PDFFunctionFactory = void 0;
+
+var _primitives = require("./primitives.js");
+
+var _util = require("../shared/util.js");
+
+var _ps_parser = require("./ps_parser.js");
+
+var _image_utils = require("./image_utils.js");
+
+class PDFFunctionFactory {
+  constructor({
+    xref,
+    isEvalSupported = true
+  }) {
+    this.xref = xref;
+    this.isEvalSupported = isEvalSupported !== false;
+    this._localFunctionCache = null;
+  }
+
+  create(fn) {
+    const cachedFunction = this.getCached(fn);
+
+    if (cachedFunction) {
+      return cachedFunction;
+    }
+
+    const parsedFunction = PDFFunction.parse({
+      xref: this.xref,
+      isEvalSupported: this.isEvalSupported,
+      fn: fn instanceof _primitives.Ref ? this.xref.fetch(fn) : fn
+    });
+
+    this._cache(fn, parsedFunction);
+
+    return parsedFunction;
+  }
+
+  createFromArray(fnObj) {
+    const cachedFunction = this.getCached(fnObj);
+
+    if (cachedFunction) {
+      return cachedFunction;
+    }
+
+    const parsedFunction = PDFFunction.parseArray({
+      xref: this.xref,
+      isEvalSupported: this.isEvalSupported,
+      fnObj: fnObj instanceof _primitives.Ref ? this.xref.fetch(fnObj) : fnObj
+    });
+
+    this._cache(fnObj, parsedFunction);
+
+    return parsedFunction;
+  }
+
+  getCached(cacheKey) {
+    let fnRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      fnRef = cacheKey;
+    } else if (cacheKey instanceof _primitives.Dict) {
+      fnRef = cacheKey.objId;
+    } else if ((0, _primitives.isStream)(cacheKey)) {
+      fnRef = cacheKey.dict && cacheKey.dict.objId;
+    }
+
+    if (fnRef) {
+      if (!this._localFunctionCache) {
+        this._localFunctionCache = new _image_utils.LocalFunctionCache();
+      }
+
+      const localFunction = this._localFunctionCache.getByRef(fnRef);
+
+      if (localFunction) {
+        return localFunction;
+      }
+    }
+
+    return null;
+  }
+
+  _cache(cacheKey, parsedFunction) {
+    if (!parsedFunction) {
+      throw new Error('PDFFunctionFactory._cache - expected "parsedFunction" argument.');
+    }
+
+    let fnRef;
+
+    if (cacheKey instanceof _primitives.Ref) {
+      fnRef = cacheKey;
+    } else if (cacheKey instanceof _primitives.Dict) {
+      fnRef = cacheKey.objId;
+    } else if ((0, _primitives.isStream)(cacheKey)) {
+      fnRef = cacheKey.dict && cacheKey.dict.objId;
+    }
+
+    if (fnRef) {
+      if (!this._localFunctionCache) {
+        this._localFunctionCache = new _image_utils.LocalFunctionCache();
+      }
+
+      this._localFunctionCache.set(null, fnRef, parsedFunction);
+    }
+  }
+
+}
+
+exports.PDFFunctionFactory = PDFFunctionFactory;
+
+function toNumberArray(arr) {
+  if (!Array.isArray(arr)) {
+    return null;
+  }
+
+  const length = arr.length;
+
+  for (let i = 0; i < length; i++) {
+    if (typeof arr[i] !== "number") {
+      const result = new Array(length);
+
+      for (let j = 0; j < length; j++) {
+        result[j] = +arr[j];
+      }
+
+      return result;
+    }
+  }
+
+  return arr;
+}
+
+var PDFFunction = function PDFFunctionClosure() {
+  const CONSTRUCT_SAMPLED = 0;
+  const CONSTRUCT_INTERPOLATED = 2;
+  const CONSTRUCT_STICHED = 3;
+  const CONSTRUCT_POSTSCRIPT = 4;
+  return {
+    getSampleArray(size, outputSize, bps, stream) {
+      var i, ii;
+      var length = 1;
+
+      for (i = 0, ii = size.length; i < ii; i++) {
+        length *= size[i];
+      }
+
+      length *= outputSize;
+      var array = new Array(length);
+      var codeSize = 0;
+      var codeBuf = 0;
+      var sampleMul = 1.0 / (2.0 ** bps - 1);
+      var strBytes = stream.getBytes((length * bps + 7) / 8);
+      var strIdx = 0;
+
+      for (i = 0; i < length; i++) {
+        while (codeSize < bps) {
+          codeBuf <<= 8;
+          codeBuf |= strBytes[strIdx++];
+          codeSize += 8;
+        }
+
+        codeSize -= bps;
+        array[i] = (codeBuf >> codeSize) * sampleMul;
+        codeBuf &= (1 << codeSize) - 1;
+      }
+
+      return array;
+    },
+
+    getIR({
+      xref,
+      isEvalSupported,
+      fn
+    }) {
+      var dict = fn.dict;
+
+      if (!dict) {
+        dict = fn;
+      }
+
+      var types = [this.constructSampled, null, this.constructInterpolated, this.constructStiched, this.constructPostScript];
+      var typeNum = dict.get("FunctionType");
+      var typeFn = types[typeNum];
+
+      if (!typeFn) {
+        throw new _util.FormatError("Unknown type of function");
+      }
+
+      return typeFn.call(this, {
+        xref,
+        isEvalSupported,
+        fn,
+        dict
+      });
+    },
+
+    fromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var type = IR[0];
+
+      switch (type) {
+        case CONSTRUCT_SAMPLED:
+          return this.constructSampledFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        case CONSTRUCT_INTERPOLATED:
+          return this.constructInterpolatedFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        case CONSTRUCT_STICHED:
+          return this.constructStichedFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+
+        default:
+          return this.constructPostScriptFromIR({
+            xref,
+            isEvalSupported,
+            IR
+          });
+      }
+    },
+
+    parse({
+      xref,
+      isEvalSupported,
+      fn
+    }) {
+      const IR = this.getIR({
+        xref,
+        isEvalSupported,
+        fn
+      });
+      return this.fromIR({
+        xref,
+        isEvalSupported,
+        IR
+      });
+    },
+
+    parseArray({
+      xref,
+      isEvalSupported,
+      fnObj
+    }) {
+      if (!Array.isArray(fnObj)) {
+        return this.parse({
+          xref,
+          isEvalSupported,
+          fn: fnObj
+        });
+      }
+
+      var fnArray = [];
+
+      for (var j = 0, jj = fnObj.length; j < jj; j++) {
+        fnArray.push(this.parse({
+          xref,
+          isEvalSupported,
+          fn: xref.fetchIfRef(fnObj[j])
+        }));
+      }
+
+      return function (src, srcOffset, dest, destOffset) {
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          fnArray[i](src, srcOffset, dest, destOffset + i);
+        }
+      };
+    },
+
+    constructSampled({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      function toMultiArray(arr) {
+        var inputLength = arr.length;
+        var out = [];
+        var index = 0;
+
+        for (var i = 0; i < inputLength; i += 2) {
+          out[index] = [arr[i], arr[i + 1]];
+          ++index;
+        }
+
+        return out;
+      }
+
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain || !range) {
+        throw new _util.FormatError("No domain or range");
+      }
+
+      var inputSize = domain.length / 2;
+      var outputSize = range.length / 2;
+      domain = toMultiArray(domain);
+      range = toMultiArray(range);
+      var size = toNumberArray(dict.getArray("Size"));
+      var bps = dict.get("BitsPerSample");
+      var order = dict.get("Order") || 1;
+
+      if (order !== 1) {
+        (0, _util.info)("No support for cubic spline interpolation: " + order);
+      }
+
+      var encode = toNumberArray(dict.getArray("Encode"));
+
+      if (!encode) {
+        encode = [];
+
+        for (var i = 0; i < inputSize; ++i) {
+          encode.push([0, size[i] - 1]);
+        }
+      } else {
+        encode = toMultiArray(encode);
+      }
+
+      var decode = toNumberArray(dict.getArray("Decode"));
+
+      if (!decode) {
+        decode = range;
+      } else {
+        decode = toMultiArray(decode);
+      }
+
+      var samples = this.getSampleArray(size, outputSize, bps, fn);
+      return [CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, outputSize, 2 ** bps - 1, range];
+    },
+
+    constructSampledFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      function interpolate(x, xmin, xmax, ymin, ymax) {
+        return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin));
+      }
+
+      return function constructSampledFromIRResult(src, srcOffset, dest, destOffset) {
+        var m = IR[1];
+        var domain = IR[2];
+        var encode = IR[3];
+        var decode = IR[4];
+        var samples = IR[5];
+        var size = IR[6];
+        var n = IR[7];
+        var range = IR[9];
+        var cubeVertices = 1 << m;
+        var cubeN = new Float64Array(cubeVertices);
+        var cubeVertex = new Uint32Array(cubeVertices);
+        var i, j;
+
+        for (j = 0; j < cubeVertices; j++) {
+          cubeN[j] = 1;
+        }
+
+        var k = n,
+            pos = 1;
+
+        for (i = 0; i < m; ++i) {
+          var domain_2i = domain[i][0];
+          var domain_2i_1 = domain[i][1];
+          var xi = Math.min(Math.max(src[srcOffset + i], domain_2i), domain_2i_1);
+          var e = interpolate(xi, domain_2i, domain_2i_1, encode[i][0], encode[i][1]);
+          var size_i = size[i];
+          e = Math.min(Math.max(e, 0), size_i - 1);
+          var e0 = e < size_i - 1 ? Math.floor(e) : e - 1;
+          var n0 = e0 + 1 - e;
+          var n1 = e - e0;
+          var offset0 = e0 * k;
+          var offset1 = offset0 + k;
+
+          for (j = 0; j < cubeVertices; j++) {
+            if (j & pos) {
+              cubeN[j] *= n1;
+              cubeVertex[j] += offset1;
+            } else {
+              cubeN[j] *= n0;
+              cubeVertex[j] += offset0;
+            }
+          }
+
+          k *= size_i;
+          pos <<= 1;
+        }
+
+        for (j = 0; j < n; ++j) {
+          var rj = 0;
+
+          for (i = 0; i < cubeVertices; i++) {
+            rj += samples[cubeVertex[i] + j] * cubeN[i];
+          }
+
+          rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);
+          dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), range[j][1]);
+        }
+      };
+    },
+
+    constructInterpolated({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var c0 = toNumberArray(dict.getArray("C0")) || [0];
+      var c1 = toNumberArray(dict.getArray("C1")) || [1];
+      var n = dict.get("N");
+      var length = c0.length;
+      var diff = [];
+
+      for (var i = 0; i < length; ++i) {
+        diff.push(c1[i] - c0[i]);
+      }
+
+      return [CONSTRUCT_INTERPOLATED, c0, diff, n];
+    },
+
+    constructInterpolatedFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var c0 = IR[1];
+      var diff = IR[2];
+      var n = IR[3];
+      var length = diff.length;
+      return function constructInterpolatedFromIRResult(src, srcOffset, dest, destOffset) {
+        var x = n === 1 ? src[srcOffset] : src[srcOffset] ** n;
+
+        for (var j = 0; j < length; ++j) {
+          dest[destOffset + j] = c0[j] + x * diff[j];
+        }
+      };
+    },
+
+    constructStiched({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var domain = toNumberArray(dict.getArray("Domain"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain");
+      }
+
+      var inputSize = domain.length / 2;
+
+      if (inputSize !== 1) {
+        throw new _util.FormatError("Bad domain for stiched function");
+      }
+
+      var fnRefs = dict.get("Functions");
+      var fns = [];
+
+      for (var i = 0, ii = fnRefs.length; i < ii; ++i) {
+        fns.push(this.parse({
+          xref,
+          isEvalSupported,
+          fn: xref.fetchIfRef(fnRefs[i])
+        }));
+      }
+
+      var bounds = toNumberArray(dict.getArray("Bounds"));
+      var encode = toNumberArray(dict.getArray("Encode"));
+      return [CONSTRUCT_STICHED, domain, bounds, encode, fns];
+    },
+
+    constructStichedFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var domain = IR[1];
+      var bounds = IR[2];
+      var encode = IR[3];
+      var fns = IR[4];
+      var tmpBuf = new Float32Array(1);
+      return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) {
+        var clip = function constructStichedFromIRClip(v, min, max) {
+          if (v > max) {
+            v = max;
+          } else if (v < min) {
+            v = min;
+          }
+
+          return v;
+        };
+
+        var v = clip(src[srcOffset], domain[0], domain[1]);
+
+        for (var i = 0, ii = bounds.length; i < ii; ++i) {
+          if (v < bounds[i]) {
+            break;
+          }
+        }
+
+        var dmin = domain[0];
+
+        if (i > 0) {
+          dmin = bounds[i - 1];
+        }
+
+        var dmax = domain[1];
+
+        if (i < bounds.length) {
+          dmax = bounds[i];
+        }
+
+        var rmin = encode[2 * i];
+        var rmax = encode[2 * i + 1];
+        tmpBuf[0] = dmin === dmax ? rmin : rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin);
+        fns[i](tmpBuf, 0, dest, destOffset);
+      };
+    },
+
+    constructPostScript({
+      xref,
+      isEvalSupported,
+      fn,
+      dict
+    }) {
+      var domain = toNumberArray(dict.getArray("Domain"));
+      var range = toNumberArray(dict.getArray("Range"));
+
+      if (!domain) {
+        throw new _util.FormatError("No domain.");
+      }
+
+      if (!range) {
+        throw new _util.FormatError("No range.");
+      }
+
+      var lexer = new _ps_parser.PostScriptLexer(fn);
+      var parser = new _ps_parser.PostScriptParser(lexer);
+      var code = parser.parse();
+      return [CONSTRUCT_POSTSCRIPT, domain, range, code];
+    },
+
+    constructPostScriptFromIR({
+      xref,
+      isEvalSupported,
+      IR
+    }) {
+      var domain = IR[1];
+      var range = IR[2];
+      var code = IR[3];
+
+      if (isEvalSupported && _util.IsEvalSupportedCached.value) {
+        const compiled = new PostScriptCompiler().compile(code, domain, range);
+
+        if (compiled) {
+          return new Function("src", "srcOffset", "dest", "destOffset", compiled);
+        }
+      }
+
+      (0, _util.info)("Unable to compile PS function");
+      var numOutputs = range.length >> 1;
+      var numInputs = domain.length >> 1;
+      var evaluator = new PostScriptEvaluator(code);
+      var cache = Object.create(null);
+      var MAX_CACHE_SIZE = 2048 * 4;
+      var cache_available = MAX_CACHE_SIZE;
+      var tmpBuf = new Float32Array(numInputs);
+      return function constructPostScriptFromIRResult(src, srcOffset, dest, destOffset) {
+        var i, value;
+        var key = "";
+        var input = tmpBuf;
+
+        for (i = 0; i < numInputs; i++) {
+          value = src[srcOffset + i];
+          input[i] = value;
+          key += value + "_";
+        }
+
+        var cachedValue = cache[key];
+
+        if (cachedValue !== undefined) {
+          dest.set(cachedValue, destOffset);
+          return;
+        }
+
+        var output = new Float32Array(numOutputs);
+        var stack = evaluator.execute(input);
+        var stackIndex = stack.length - numOutputs;
+
+        for (i = 0; i < numOutputs; i++) {
+          value = stack[stackIndex + i];
+          var bound = range[i * 2];
+
+          if (value < bound) {
+            value = bound;
+          } else {
+            bound = range[i * 2 + 1];
+
+            if (value > bound) {
+              value = bound;
+            }
+          }
+
+          output[i] = value;
+        }
+
+        if (cache_available > 0) {
+          cache_available--;
+          cache[key] = output;
+        }
+
+        dest.set(output, destOffset);
+      };
+    }
+
+  };
+}();
+
+function isPDFFunction(v) {
+  var fnDict;
+
+  if (typeof v !== "object") {
+    return false;
+  } else if ((0, _primitives.isDict)(v)) {
+    fnDict = v;
+  } else if ((0, _primitives.isStream)(v)) {
+    fnDict = v.dict;
+  } else {
+    return false;
+  }
+
+  return fnDict.has("FunctionType");
+}
+
+var PostScriptStack = function PostScriptStackClosure() {
+  var MAX_STACK_SIZE = 100;
+
+  function PostScriptStack(initialStack) {
+    this.stack = !initialStack ? [] : Array.prototype.slice.call(initialStack, 0);
+  }
+
+  PostScriptStack.prototype = {
+    push: function PostScriptStack_push(value) {
+      if (this.stack.length >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      this.stack.push(value);
+    },
+    pop: function PostScriptStack_pop() {
+      if (this.stack.length <= 0) {
+        throw new Error("PostScript function stack underflow.");
+      }
+
+      return this.stack.pop();
+    },
+    copy: function PostScriptStack_copy(n) {
+      if (this.stack.length + n >= MAX_STACK_SIZE) {
+        throw new Error("PostScript function stack overflow.");
+      }
+
+      var stack = this.stack;
+
+      for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) {
+        stack.push(stack[i]);
+      }
+    },
+    index: function PostScriptStack_index(n) {
+      this.push(this.stack[this.stack.length - n - 1]);
+    },
+    roll: function PostScriptStack_roll(n, p) {
+      var stack = this.stack;
+      var l = stack.length - n;
+      var r = stack.length - 1,
+          c = l + (p - Math.floor(p / n) * n),
+          i,
+          j,
+          t;
+
+      for (i = l, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = l, j = c - 1; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+
+      for (i = c, j = r; i < j; i++, j--) {
+        t = stack[i];
+        stack[i] = stack[j];
+        stack[j] = t;
+      }
+    }
+  };
+  return PostScriptStack;
+}();
+
+var PostScriptEvaluator = function PostScriptEvaluatorClosure() {
+  function PostScriptEvaluator(operators) {
+    this.operators = operators;
+  }
+
+  PostScriptEvaluator.prototype = {
+    execute: function PostScriptEvaluator_execute(initialStack) {
+      var stack = new PostScriptStack(initialStack);
+      var counter = 0;
+      var operators = this.operators;
+      var length = operators.length;
+      var operator, a, b;
+
+      while (counter < length) {
+        operator = operators[counter++];
+
+        if (typeof operator === "number") {
+          stack.push(operator);
+          continue;
+        }
+
+        switch (operator) {
+          case "jz":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (!a) {
+              counter = b;
+            }
+
+            break;
+
+          case "j":
+            a = stack.pop();
+            counter = a;
+            break;
+
+          case "abs":
+            a = stack.pop();
+            stack.push(Math.abs(a));
+            break;
+
+          case "add":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a + b);
+            break;
+
+          case "and":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a && b);
+            } else {
+              stack.push(a & b);
+            }
+
+            break;
+
+          case "atan":
+            a = stack.pop();
+            stack.push(Math.atan(a));
+            break;
+
+          case "bitshift":
+            b = stack.pop();
+            a = stack.pop();
+
+            if (a > 0) {
+              stack.push(a << b);
+            } else {
+              stack.push(a >> b);
+            }
+
+            break;
+
+          case "ceiling":
+            a = stack.pop();
+            stack.push(Math.ceil(a));
+            break;
+
+          case "copy":
+            a = stack.pop();
+            stack.copy(a);
+            break;
+
+          case "cos":
+            a = stack.pop();
+            stack.push(Math.cos(a));
+            break;
+
+          case "cvi":
+            a = stack.pop() | 0;
+            stack.push(a);
+            break;
+
+          case "cvr":
+            break;
+
+          case "div":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b);
+            break;
+
+          case "dup":
+            stack.copy(1);
+            break;
+
+          case "eq":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a === b);
+            break;
+
+          case "exch":
+            stack.roll(2, 1);
+            break;
+
+          case "exp":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a ** b);
+            break;
+
+          case "false":
+            stack.push(false);
+            break;
+
+          case "floor":
+            a = stack.pop();
+            stack.push(Math.floor(a));
+            break;
+
+          case "ge":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a >= b);
+            break;
+
+          case "gt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a > b);
+            break;
+
+          case "idiv":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a / b | 0);
+            break;
+
+          case "index":
+            a = stack.pop();
+            stack.index(a);
+            break;
+
+          case "le":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a <= b);
+            break;
+
+          case "ln":
+            a = stack.pop();
+            stack.push(Math.log(a));
+            break;
+
+          case "log":
+            a = stack.pop();
+            stack.push(Math.log(a) / Math.LN10);
+            break;
+
+          case "lt":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a < b);
+            break;
+
+          case "mod":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a % b);
+            break;
+
+          case "mul":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a * b);
+            break;
+
+          case "ne":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a !== b);
+            break;
+
+          case "neg":
+            a = stack.pop();
+            stack.push(-a);
+            break;
+
+          case "not":
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a)) {
+              stack.push(!a);
+            } else {
+              stack.push(~a);
+            }
+
+            break;
+
+          case "or":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a || b);
+            } else {
+              stack.push(a | b);
+            }
+
+            break;
+
+          case "pop":
+            stack.pop();
+            break;
+
+          case "roll":
+            b = stack.pop();
+            a = stack.pop();
+            stack.roll(a, b);
+            break;
+
+          case "round":
+            a = stack.pop();
+            stack.push(Math.round(a));
+            break;
+
+          case "sin":
+            a = stack.pop();
+            stack.push(Math.sin(a));
+            break;
+
+          case "sqrt":
+            a = stack.pop();
+            stack.push(Math.sqrt(a));
+            break;
+
+          case "sub":
+            b = stack.pop();
+            a = stack.pop();
+            stack.push(a - b);
+            break;
+
+          case "true":
+            stack.push(true);
+            break;
+
+          case "truncate":
+            a = stack.pop();
+            a = a < 0 ? Math.ceil(a) : Math.floor(a);
+            stack.push(a);
+            break;
+
+          case "xor":
+            b = stack.pop();
+            a = stack.pop();
+
+            if ((0, _util.isBool)(a) && (0, _util.isBool)(b)) {
+              stack.push(a !== b);
+            } else {
+              stack.push(a ^ b);
+            }
+
+            break;
+
+          default:
+            throw new _util.FormatError(`Unknown operator ${operator}`);
+        }
+      }
+
+      return stack.stack;
+    }
+  };
+  return PostScriptEvaluator;
+}();
+
+exports.PostScriptEvaluator = PostScriptEvaluator;
+
+var PostScriptCompiler = function PostScriptCompilerClosure() {
+  function AstNode(type) {
+    this.type = type;
+  }
+
+  AstNode.prototype.visit = function (visitor) {
+    (0, _util.unreachable)("abstract method");
+  };
+
+  function AstArgument(index, min, max) {
+    AstNode.call(this, "args");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstArgument.prototype = Object.create(AstNode.prototype);
+
+  AstArgument.prototype.visit = function (visitor) {
+    visitor.visitArgument(this);
+  };
+
+  function AstLiteral(number) {
+    AstNode.call(this, "literal");
+    this.number = number;
+    this.min = number;
+    this.max = number;
+  }
+
+  AstLiteral.prototype = Object.create(AstNode.prototype);
+
+  AstLiteral.prototype.visit = function (visitor) {
+    visitor.visitLiteral(this);
+  };
+
+  function AstBinaryOperation(op, arg1, arg2, min, max) {
+    AstNode.call(this, "binary");
+    this.op = op;
+    this.arg1 = arg1;
+    this.arg2 = arg2;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstBinaryOperation.prototype = Object.create(AstNode.prototype);
+
+  AstBinaryOperation.prototype.visit = function (visitor) {
+    visitor.visitBinaryOperation(this);
+  };
+
+  function AstMin(arg, max) {
+    AstNode.call(this, "max");
+    this.arg = arg;
+    this.min = arg.min;
+    this.max = max;
+  }
+
+  AstMin.prototype = Object.create(AstNode.prototype);
+
+  AstMin.prototype.visit = function (visitor) {
+    visitor.visitMin(this);
+  };
+
+  function AstVariable(index, min, max) {
+    AstNode.call(this, "var");
+    this.index = index;
+    this.min = min;
+    this.max = max;
+  }
+
+  AstVariable.prototype = Object.create(AstNode.prototype);
+
+  AstVariable.prototype.visit = function (visitor) {
+    visitor.visitVariable(this);
+  };
+
+  function AstVariableDefinition(variable, arg) {
+    AstNode.call(this, "definition");
+    this.variable = variable;
+    this.arg = arg;
+  }
+
+  AstVariableDefinition.prototype = Object.create(AstNode.prototype);
+
+  AstVariableDefinition.prototype.visit = function (visitor) {
+    visitor.visitVariableDefinition(this);
+  };
+
+  function ExpressionBuilderVisitor() {
+    this.parts = [];
+  }
+
+  ExpressionBuilderVisitor.prototype = {
+    visitArgument(arg) {
+      this.parts.push("Math.max(", arg.min, ", Math.min(", arg.max, ", src[srcOffset + ", arg.index, "]))");
+    },
+
+    visitVariable(variable) {
+      this.parts.push("v", variable.index);
+    },
+
+    visitLiteral(literal) {
+      this.parts.push(literal.number);
+    },
+
+    visitBinaryOperation(operation) {
+      this.parts.push("(");
+      operation.arg1.visit(this);
+      this.parts.push(" ", operation.op, " ");
+      operation.arg2.visit(this);
+      this.parts.push(")");
+    },
+
+    visitVariableDefinition(definition) {
+      this.parts.push("var ");
+      definition.variable.visit(this);
+      this.parts.push(" = ");
+      definition.arg.visit(this);
+      this.parts.push(";");
+    },
+
+    visitMin(max) {
+      this.parts.push("Math.min(");
+      max.arg.visit(this);
+      this.parts.push(", ", max.max, ")");
+    },
+
+    toString() {
+      return this.parts.join("");
+    }
+
+  };
+
+  function buildAddOperation(num1, num2) {
+    if (num2.type === "literal" && num2.number === 0) {
+      return num1;
+    }
+
+    if (num1.type === "literal" && num1.number === 0) {
+      return num2;
+    }
+
+    if (num2.type === "literal" && num1.type === "literal") {
+      return new AstLiteral(num1.number + num2.number);
+    }
+
+    return new AstBinaryOperation("+", num1, num2, num1.min + num2.min, num1.max + num2.max);
+  }
+
+  function buildMulOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return new AstLiteral(0);
+      } else if (num2.number === 1) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number * num2.number);
+      }
+    }
+
+    if (num1.type === "literal") {
+      if (num1.number === 0) {
+        return new AstLiteral(0);
+      } else if (num1.number === 1) {
+        return num2;
+      }
+    }
+
+    var min = Math.min(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    var max = Math.max(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max);
+    return new AstBinaryOperation("*", num1, num2, min, max);
+  }
+
+  function buildSubOperation(num1, num2) {
+    if (num2.type === "literal") {
+      if (num2.number === 0) {
+        return num1;
+      } else if (num1.type === "literal") {
+        return new AstLiteral(num1.number - num2.number);
+      }
+    }
+
+    if (num2.type === "binary" && num2.op === "-" && num1.type === "literal" && num1.number === 1 && num2.arg1.type === "literal" && num2.arg1.number === 1) {
+      return num2.arg2;
+    }
+
+    return new AstBinaryOperation("-", num1, num2, num1.min - num2.max, num1.max - num2.min);
+  }
+
+  function buildMinOperation(num1, max) {
+    if (num1.min >= max) {
+      return new AstLiteral(max);
+    } else if (num1.max <= max) {
+      return num1;
+    }
+
+    return new AstMin(num1, max);
+  }
+
+  function PostScriptCompiler() {}
+
+  PostScriptCompiler.prototype = {
+    compile: function PostScriptCompiler_compile(code, domain, range) {
+      var stack = [];
+      var instructions = [];
+      var inputSize = domain.length >> 1,
+          outputSize = range.length >> 1;
+      var lastRegister = 0;
+      var n, j;
+      var num1, num2, ast1, ast2, tmpVar, item;
+
+      for (let i = 0; i < inputSize; i++) {
+        stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1]));
+      }
+
+      for (let i = 0, ii = code.length; i < ii; i++) {
+        item = code[i];
+
+        if (typeof item === "number") {
+          stack.push(new AstLiteral(item));
+          continue;
+        }
+
+        switch (item) {
+          case "add":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildAddOperation(num1, num2));
+            break;
+
+          case "cvr":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            break;
+
+          case "mul":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildMulOperation(num1, num2));
+            break;
+
+          case "sub":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+            stack.push(buildSubOperation(num1, num2));
+            break;
+
+          case "exch":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            ast1 = stack.pop();
+            ast2 = stack.pop();
+            stack.push(ast1, ast2);
+            break;
+
+          case "pop":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            stack.pop();
+            break;
+
+          case "index":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            num1 = stack.pop();
+
+            if (num1.type !== "literal") {
+              return null;
+            }
+
+            n = num1.number;
+
+            if (n < 0 || !Number.isInteger(n) || stack.length < n) {
+              return null;
+            }
+
+            ast1 = stack[stack.length - n - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - n - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "dup":
+            if (stack.length < 1) {
+              return null;
+            }
+
+            if (typeof code[i + 1] === "number" && code[i + 2] === "gt" && code[i + 3] === i + 7 && code[i + 4] === "jz" && code[i + 5] === "pop" && code[i + 6] === code[i + 1]) {
+              num1 = stack.pop();
+              stack.push(buildMinOperation(num1, code[i + 1]));
+              i += 6;
+              break;
+            }
+
+            ast1 = stack[stack.length - 1];
+
+            if (ast1.type === "literal" || ast1.type === "var") {
+              stack.push(ast1);
+              break;
+            }
+
+            tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max);
+            stack[stack.length - 1] = tmpVar;
+            stack.push(tmpVar);
+            instructions.push(new AstVariableDefinition(tmpVar, ast1));
+            break;
+
+          case "roll":
+            if (stack.length < 2) {
+              return null;
+            }
+
+            num2 = stack.pop();
+            num1 = stack.pop();
+
+            if (num2.type !== "literal" || num1.type !== "literal") {
+              return null;
+            }
+
+            j = num2.number;
+            n = num1.number;
+
+            if (n <= 0 || !Number.isInteger(n) || !Number.isInteger(j) || stack.length < n) {
+              return null;
+            }
+
+            j = (j % n + n) % n;
+
+            if (j === 0) {
+              break;
+            }
+
+            Array.prototype.push.apply(stack, stack.splice(stack.length - n, n - j));
+            break;
+
+          default:
+            return null;
+        }
+      }
+
+      if (stack.length !== outputSize) {
+        return null;
+      }
+
+      var result = [];
+      instructions.forEach(function (instruction) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        instruction.visit(statementBuilder);
+        result.push(statementBuilder.toString());
+      });
+      stack.forEach(function (expr, i) {
+        var statementBuilder = new ExpressionBuilderVisitor();
+        expr.visit(statementBuilder);
+        var min = range[i * 2],
+            max = range[i * 2 + 1];
+        var out = [statementBuilder.toString()];
+
+        if (min > expr.min) {
+          out.unshift("Math.max(", min, ", ");
+          out.push(")");
+        }
+
+        if (max < expr.max) {
+          out.unshift("Math.min(", max, ", ");
+          out.push(")");
+        }
+
+        out.unshift("dest[destOffset + ", i, "] = ");
+        out.push(";");
+        result.push(out.join(""));
+      });
+      return result.join("\n");
+    }
+  };
+  return PostScriptCompiler;
+}();
+
+exports.PostScriptCompiler = PostScriptCompiler;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/glyphlist.js b/node_modules/pdfjs-dist/lib/core/glyphlist.js
new file mode 100644
index 00000000..344987a0
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/glyphlist.js
@@ -0,0 +1,4556 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var getLookupTableFactory = require("./core_utils.js").getLookupTableFactory;
+
+var getGlyphsUnicode = getLookupTableFactory(function (t) {
+  t.A = 0x0041;
+  t.AE = 0x00c6;
+  t.AEacute = 0x01fc;
+  t.AEmacron = 0x01e2;
+  t.AEsmall = 0xf7e6;
+  t.Aacute = 0x00c1;
+  t.Aacutesmall = 0xf7e1;
+  t.Abreve = 0x0102;
+  t.Abreveacute = 0x1eae;
+  t.Abrevecyrillic = 0x04d0;
+  t.Abrevedotbelow = 0x1eb6;
+  t.Abrevegrave = 0x1eb0;
+  t.Abrevehookabove = 0x1eb2;
+  t.Abrevetilde = 0x1eb4;
+  t.Acaron = 0x01cd;
+  t.Acircle = 0x24b6;
+  t.Acircumflex = 0x00c2;
+  t.Acircumflexacute = 0x1ea4;
+  t.Acircumflexdotbelow = 0x1eac;
+  t.Acircumflexgrave = 0x1ea6;
+  t.Acircumflexhookabove = 0x1ea8;
+  t.Acircumflexsmall = 0xf7e2;
+  t.Acircumflextilde = 0x1eaa;
+  t.Acute = 0xf6c9;
+  t.Acutesmall = 0xf7b4;
+  t.Acyrillic = 0x0410;
+  t.Adblgrave = 0x0200;
+  t.Adieresis = 0x00c4;
+  t.Adieresiscyrillic = 0x04d2;
+  t.Adieresismacron = 0x01de;
+  t.Adieresissmall = 0xf7e4;
+  t.Adotbelow = 0x1ea0;
+  t.Adotmacron = 0x01e0;
+  t.Agrave = 0x00c0;
+  t.Agravesmall = 0xf7e0;
+  t.Ahookabove = 0x1ea2;
+  t.Aiecyrillic = 0x04d4;
+  t.Ainvertedbreve = 0x0202;
+  t.Alpha = 0x0391;
+  t.Alphatonos = 0x0386;
+  t.Amacron = 0x0100;
+  t.Amonospace = 0xff21;
+  t.Aogonek = 0x0104;
+  t.Aring = 0x00c5;
+  t.Aringacute = 0x01fa;
+  t.Aringbelow = 0x1e00;
+  t.Aringsmall = 0xf7e5;
+  t.Asmall = 0xf761;
+  t.Atilde = 0x00c3;
+  t.Atildesmall = 0xf7e3;
+  t.Aybarmenian = 0x0531;
+  t.B = 0x0042;
+  t.Bcircle = 0x24b7;
+  t.Bdotaccent = 0x1e02;
+  t.Bdotbelow = 0x1e04;
+  t.Becyrillic = 0x0411;
+  t.Benarmenian = 0x0532;
+  t.Beta = 0x0392;
+  t.Bhook = 0x0181;
+  t.Blinebelow = 0x1e06;
+  t.Bmonospace = 0xff22;
+  t.Brevesmall = 0xf6f4;
+  t.Bsmall = 0xf762;
+  t.Btopbar = 0x0182;
+  t.C = 0x0043;
+  t.Caarmenian = 0x053e;
+  t.Cacute = 0x0106;
+  t.Caron = 0xf6ca;
+  t.Caronsmall = 0xf6f5;
+  t.Ccaron = 0x010c;
+  t.Ccedilla = 0x00c7;
+  t.Ccedillaacute = 0x1e08;
+  t.Ccedillasmall = 0xf7e7;
+  t.Ccircle = 0x24b8;
+  t.Ccircumflex = 0x0108;
+  t.Cdot = 0x010a;
+  t.Cdotaccent = 0x010a;
+  t.Cedillasmall = 0xf7b8;
+  t.Chaarmenian = 0x0549;
+  t.Cheabkhasiancyrillic = 0x04bc;
+  t.Checyrillic = 0x0427;
+  t.Chedescenderabkhasiancyrillic = 0x04be;
+  t.Chedescendercyrillic = 0x04b6;
+  t.Chedieresiscyrillic = 0x04f4;
+  t.Cheharmenian = 0x0543;
+  t.Chekhakassiancyrillic = 0x04cb;
+  t.Cheverticalstrokecyrillic = 0x04b8;
+  t.Chi = 0x03a7;
+  t.Chook = 0x0187;
+  t.Circumflexsmall = 0xf6f6;
+  t.Cmonospace = 0xff23;
+  t.Coarmenian = 0x0551;
+  t.Csmall = 0xf763;
+  t.D = 0x0044;
+  t.DZ = 0x01f1;
+  t.DZcaron = 0x01c4;
+  t.Daarmenian = 0x0534;
+  t.Dafrican = 0x0189;
+  t.Dcaron = 0x010e;
+  t.Dcedilla = 0x1e10;
+  t.Dcircle = 0x24b9;
+  t.Dcircumflexbelow = 0x1e12;
+  t.Dcroat = 0x0110;
+  t.Ddotaccent = 0x1e0a;
+  t.Ddotbelow = 0x1e0c;
+  t.Decyrillic = 0x0414;
+  t.Deicoptic = 0x03ee;
+  t.Delta = 0x2206;
+  t.Deltagreek = 0x0394;
+  t.Dhook = 0x018a;
+  t.Dieresis = 0xf6cb;
+  t.DieresisAcute = 0xf6cc;
+  t.DieresisGrave = 0xf6cd;
+  t.Dieresissmall = 0xf7a8;
+  t.Digammagreek = 0x03dc;
+  t.Djecyrillic = 0x0402;
+  t.Dlinebelow = 0x1e0e;
+  t.Dmonospace = 0xff24;
+  t.Dotaccentsmall = 0xf6f7;
+  t.Dslash = 0x0110;
+  t.Dsmall = 0xf764;
+  t.Dtopbar = 0x018b;
+  t.Dz = 0x01f2;
+  t.Dzcaron = 0x01c5;
+  t.Dzeabkhasiancyrillic = 0x04e0;
+  t.Dzecyrillic = 0x0405;
+  t.Dzhecyrillic = 0x040f;
+  t.E = 0x0045;
+  t.Eacute = 0x00c9;
+  t.Eacutesmall = 0xf7e9;
+  t.Ebreve = 0x0114;
+  t.Ecaron = 0x011a;
+  t.Ecedillabreve = 0x1e1c;
+  t.Echarmenian = 0x0535;
+  t.Ecircle = 0x24ba;
+  t.Ecircumflex = 0x00ca;
+  t.Ecircumflexacute = 0x1ebe;
+  t.Ecircumflexbelow = 0x1e18;
+  t.Ecircumflexdotbelow = 0x1ec6;
+  t.Ecircumflexgrave = 0x1ec0;
+  t.Ecircumflexhookabove = 0x1ec2;
+  t.Ecircumflexsmall = 0xf7ea;
+  t.Ecircumflextilde = 0x1ec4;
+  t.Ecyrillic = 0x0404;
+  t.Edblgrave = 0x0204;
+  t.Edieresis = 0x00cb;
+  t.Edieresissmall = 0xf7eb;
+  t.Edot = 0x0116;
+  t.Edotaccent = 0x0116;
+  t.Edotbelow = 0x1eb8;
+  t.Efcyrillic = 0x0424;
+  t.Egrave = 0x00c8;
+  t.Egravesmall = 0xf7e8;
+  t.Eharmenian = 0x0537;
+  t.Ehookabove = 0x1eba;
+  t.Eightroman = 0x2167;
+  t.Einvertedbreve = 0x0206;
+  t.Eiotifiedcyrillic = 0x0464;
+  t.Elcyrillic = 0x041b;
+  t.Elevenroman = 0x216a;
+  t.Emacron = 0x0112;
+  t.Emacronacute = 0x1e16;
+  t.Emacrongrave = 0x1e14;
+  t.Emcyrillic = 0x041c;
+  t.Emonospace = 0xff25;
+  t.Encyrillic = 0x041d;
+  t.Endescendercyrillic = 0x04a2;
+  t.Eng = 0x014a;
+  t.Enghecyrillic = 0x04a4;
+  t.Enhookcyrillic = 0x04c7;
+  t.Eogonek = 0x0118;
+  t.Eopen = 0x0190;
+  t.Epsilon = 0x0395;
+  t.Epsilontonos = 0x0388;
+  t.Ercyrillic = 0x0420;
+  t.Ereversed = 0x018e;
+  t.Ereversedcyrillic = 0x042d;
+  t.Escyrillic = 0x0421;
+  t.Esdescendercyrillic = 0x04aa;
+  t.Esh = 0x01a9;
+  t.Esmall = 0xf765;
+  t.Eta = 0x0397;
+  t.Etarmenian = 0x0538;
+  t.Etatonos = 0x0389;
+  t.Eth = 0x00d0;
+  t.Ethsmall = 0xf7f0;
+  t.Etilde = 0x1ebc;
+  t.Etildebelow = 0x1e1a;
+  t.Euro = 0x20ac;
+  t.Ezh = 0x01b7;
+  t.Ezhcaron = 0x01ee;
+  t.Ezhreversed = 0x01b8;
+  t.F = 0x0046;
+  t.Fcircle = 0x24bb;
+  t.Fdotaccent = 0x1e1e;
+  t.Feharmenian = 0x0556;
+  t.Feicoptic = 0x03e4;
+  t.Fhook = 0x0191;
+  t.Fitacyrillic = 0x0472;
+  t.Fiveroman = 0x2164;
+  t.Fmonospace = 0xff26;
+  t.Fourroman = 0x2163;
+  t.Fsmall = 0xf766;
+  t.G = 0x0047;
+  t.GBsquare = 0x3387;
+  t.Gacute = 0x01f4;
+  t.Gamma = 0x0393;
+  t.Gammaafrican = 0x0194;
+  t.Gangiacoptic = 0x03ea;
+  t.Gbreve = 0x011e;
+  t.Gcaron = 0x01e6;
+  t.Gcedilla = 0x0122;
+  t.Gcircle = 0x24bc;
+  t.Gcircumflex = 0x011c;
+  t.Gcommaaccent = 0x0122;
+  t.Gdot = 0x0120;
+  t.Gdotaccent = 0x0120;
+  t.Gecyrillic = 0x0413;
+  t.Ghadarmenian = 0x0542;
+  t.Ghemiddlehookcyrillic = 0x0494;
+  t.Ghestrokecyrillic = 0x0492;
+  t.Gheupturncyrillic = 0x0490;
+  t.Ghook = 0x0193;
+  t.Gimarmenian = 0x0533;
+  t.Gjecyrillic = 0x0403;
+  t.Gmacron = 0x1e20;
+  t.Gmonospace = 0xff27;
+  t.Grave = 0xf6ce;
+  t.Gravesmall = 0xf760;
+  t.Gsmall = 0xf767;
+  t.Gsmallhook = 0x029b;
+  t.Gstroke = 0x01e4;
+  t.H = 0x0048;
+  t.H18533 = 0x25cf;
+  t.H18543 = 0x25aa;
+  t.H18551 = 0x25ab;
+  t.H22073 = 0x25a1;
+  t.HPsquare = 0x33cb;
+  t.Haabkhasiancyrillic = 0x04a8;
+  t.Hadescendercyrillic = 0x04b2;
+  t.Hardsigncyrillic = 0x042a;
+  t.Hbar = 0x0126;
+  t.Hbrevebelow = 0x1e2a;
+  t.Hcedilla = 0x1e28;
+  t.Hcircle = 0x24bd;
+  t.Hcircumflex = 0x0124;
+  t.Hdieresis = 0x1e26;
+  t.Hdotaccent = 0x1e22;
+  t.Hdotbelow = 0x1e24;
+  t.Hmonospace = 0xff28;
+  t.Hoarmenian = 0x0540;
+  t.Horicoptic = 0x03e8;
+  t.Hsmall = 0xf768;
+  t.Hungarumlaut = 0xf6cf;
+  t.Hungarumlautsmall = 0xf6f8;
+  t.Hzsquare = 0x3390;
+  t.I = 0x0049;
+  t.IAcyrillic = 0x042f;
+  t.IJ = 0x0132;
+  t.IUcyrillic = 0x042e;
+  t.Iacute = 0x00cd;
+  t.Iacutesmall = 0xf7ed;
+  t.Ibreve = 0x012c;
+  t.Icaron = 0x01cf;
+  t.Icircle = 0x24be;
+  t.Icircumflex = 0x00ce;
+  t.Icircumflexsmall = 0xf7ee;
+  t.Icyrillic = 0x0406;
+  t.Idblgrave = 0x0208;
+  t.Idieresis = 0x00cf;
+  t.Idieresisacute = 0x1e2e;
+  t.Idieresiscyrillic = 0x04e4;
+  t.Idieresissmall = 0xf7ef;
+  t.Idot = 0x0130;
+  t.Idotaccent = 0x0130;
+  t.Idotbelow = 0x1eca;
+  t.Iebrevecyrillic = 0x04d6;
+  t.Iecyrillic = 0x0415;
+  t.Ifraktur = 0x2111;
+  t.Igrave = 0x00cc;
+  t.Igravesmall = 0xf7ec;
+  t.Ihookabove = 0x1ec8;
+  t.Iicyrillic = 0x0418;
+  t.Iinvertedbreve = 0x020a;
+  t.Iishortcyrillic = 0x0419;
+  t.Imacron = 0x012a;
+  t.Imacroncyrillic = 0x04e2;
+  t.Imonospace = 0xff29;
+  t.Iniarmenian = 0x053b;
+  t.Iocyrillic = 0x0401;
+  t.Iogonek = 0x012e;
+  t.Iota = 0x0399;
+  t.Iotaafrican = 0x0196;
+  t.Iotadieresis = 0x03aa;
+  t.Iotatonos = 0x038a;
+  t.Ismall = 0xf769;
+  t.Istroke = 0x0197;
+  t.Itilde = 0x0128;
+  t.Itildebelow = 0x1e2c;
+  t.Izhitsacyrillic = 0x0474;
+  t.Izhitsadblgravecyrillic = 0x0476;
+  t.J = 0x004a;
+  t.Jaarmenian = 0x0541;
+  t.Jcircle = 0x24bf;
+  t.Jcircumflex = 0x0134;
+  t.Jecyrillic = 0x0408;
+  t.Jheharmenian = 0x054b;
+  t.Jmonospace = 0xff2a;
+  t.Jsmall = 0xf76a;
+  t.K = 0x004b;
+  t.KBsquare = 0x3385;
+  t.KKsquare = 0x33cd;
+  t.Kabashkircyrillic = 0x04a0;
+  t.Kacute = 0x1e30;
+  t.Kacyrillic = 0x041a;
+  t.Kadescendercyrillic = 0x049a;
+  t.Kahookcyrillic = 0x04c3;
+  t.Kappa = 0x039a;
+  t.Kastrokecyrillic = 0x049e;
+  t.Kaverticalstrokecyrillic = 0x049c;
+  t.Kcaron = 0x01e8;
+  t.Kcedilla = 0x0136;
+  t.Kcircle = 0x24c0;
+  t.Kcommaaccent = 0x0136;
+  t.Kdotbelow = 0x1e32;
+  t.Keharmenian = 0x0554;
+  t.Kenarmenian = 0x053f;
+  t.Khacyrillic = 0x0425;
+  t.Kheicoptic = 0x03e6;
+  t.Khook = 0x0198;
+  t.Kjecyrillic = 0x040c;
+  t.Klinebelow = 0x1e34;
+  t.Kmonospace = 0xff2b;
+  t.Koppacyrillic = 0x0480;
+  t.Koppagreek = 0x03de;
+  t.Ksicyrillic = 0x046e;
+  t.Ksmall = 0xf76b;
+  t.L = 0x004c;
+  t.LJ = 0x01c7;
+  t.LL = 0xf6bf;
+  t.Lacute = 0x0139;
+  t.Lambda = 0x039b;
+  t.Lcaron = 0x013d;
+  t.Lcedilla = 0x013b;
+  t.Lcircle = 0x24c1;
+  t.Lcircumflexbelow = 0x1e3c;
+  t.Lcommaaccent = 0x013b;
+  t.Ldot = 0x013f;
+  t.Ldotaccent = 0x013f;
+  t.Ldotbelow = 0x1e36;
+  t.Ldotbelowmacron = 0x1e38;
+  t.Liwnarmenian = 0x053c;
+  t.Lj = 0x01c8;
+  t.Ljecyrillic = 0x0409;
+  t.Llinebelow = 0x1e3a;
+  t.Lmonospace = 0xff2c;
+  t.Lslash = 0x0141;
+  t.Lslashsmall = 0xf6f9;
+  t.Lsmall = 0xf76c;
+  t.M = 0x004d;
+  t.MBsquare = 0x3386;
+  t.Macron = 0xf6d0;
+  t.Macronsmall = 0xf7af;
+  t.Macute = 0x1e3e;
+  t.Mcircle = 0x24c2;
+  t.Mdotaccent = 0x1e40;
+  t.Mdotbelow = 0x1e42;
+  t.Menarmenian = 0x0544;
+  t.Mmonospace = 0xff2d;
+  t.Msmall = 0xf76d;
+  t.Mturned = 0x019c;
+  t.Mu = 0x039c;
+  t.N = 0x004e;
+  t.NJ = 0x01ca;
+  t.Nacute = 0x0143;
+  t.Ncaron = 0x0147;
+  t.Ncedilla = 0x0145;
+  t.Ncircle = 0x24c3;
+  t.Ncircumflexbelow = 0x1e4a;
+  t.Ncommaaccent = 0x0145;
+  t.Ndotaccent = 0x1e44;
+  t.Ndotbelow = 0x1e46;
+  t.Nhookleft = 0x019d;
+  t.Nineroman = 0x2168;
+  t.Nj = 0x01cb;
+  t.Njecyrillic = 0x040a;
+  t.Nlinebelow = 0x1e48;
+  t.Nmonospace = 0xff2e;
+  t.Nowarmenian = 0x0546;
+  t.Nsmall = 0xf76e;
+  t.Ntilde = 0x00d1;
+  t.Ntildesmall = 0xf7f1;
+  t.Nu = 0x039d;
+  t.O = 0x004f;
+  t.OE = 0x0152;
+  t.OEsmall = 0xf6fa;
+  t.Oacute = 0x00d3;
+  t.Oacutesmall = 0xf7f3;
+  t.Obarredcyrillic = 0x04e8;
+  t.Obarreddieresiscyrillic = 0x04ea;
+  t.Obreve = 0x014e;
+  t.Ocaron = 0x01d1;
+  t.Ocenteredtilde = 0x019f;
+  t.Ocircle = 0x24c4;
+  t.Ocircumflex = 0x00d4;
+  t.Ocircumflexacute = 0x1ed0;
+  t.Ocircumflexdotbelow = 0x1ed8;
+  t.Ocircumflexgrave = 0x1ed2;
+  t.Ocircumflexhookabove = 0x1ed4;
+  t.Ocircumflexsmall = 0xf7f4;
+  t.Ocircumflextilde = 0x1ed6;
+  t.Ocyrillic = 0x041e;
+  t.Odblacute = 0x0150;
+  t.Odblgrave = 0x020c;
+  t.Odieresis = 0x00d6;
+  t.Odieresiscyrillic = 0x04e6;
+  t.Odieresissmall = 0xf7f6;
+  t.Odotbelow = 0x1ecc;
+  t.Ogoneksmall = 0xf6fb;
+  t.Ograve = 0x00d2;
+  t.Ogravesmall = 0xf7f2;
+  t.Oharmenian = 0x0555;
+  t.Ohm = 0x2126;
+  t.Ohookabove = 0x1ece;
+  t.Ohorn = 0x01a0;
+  t.Ohornacute = 0x1eda;
+  t.Ohorndotbelow = 0x1ee2;
+  t.Ohorngrave = 0x1edc;
+  t.Ohornhookabove = 0x1ede;
+  t.Ohorntilde = 0x1ee0;
+  t.Ohungarumlaut = 0x0150;
+  t.Oi = 0x01a2;
+  t.Oinvertedbreve = 0x020e;
+  t.Omacron = 0x014c;
+  t.Omacronacute = 0x1e52;
+  t.Omacrongrave = 0x1e50;
+  t.Omega = 0x2126;
+  t.Omegacyrillic = 0x0460;
+  t.Omegagreek = 0x03a9;
+  t.Omegaroundcyrillic = 0x047a;
+  t.Omegatitlocyrillic = 0x047c;
+  t.Omegatonos = 0x038f;
+  t.Omicron = 0x039f;
+  t.Omicrontonos = 0x038c;
+  t.Omonospace = 0xff2f;
+  t.Oneroman = 0x2160;
+  t.Oogonek = 0x01ea;
+  t.Oogonekmacron = 0x01ec;
+  t.Oopen = 0x0186;
+  t.Oslash = 0x00d8;
+  t.Oslashacute = 0x01fe;
+  t.Oslashsmall = 0xf7f8;
+  t.Osmall = 0xf76f;
+  t.Ostrokeacute = 0x01fe;
+  t.Otcyrillic = 0x047e;
+  t.Otilde = 0x00d5;
+  t.Otildeacute = 0x1e4c;
+  t.Otildedieresis = 0x1e4e;
+  t.Otildesmall = 0xf7f5;
+  t.P = 0x0050;
+  t.Pacute = 0x1e54;
+  t.Pcircle = 0x24c5;
+  t.Pdotaccent = 0x1e56;
+  t.Pecyrillic = 0x041f;
+  t.Peharmenian = 0x054a;
+  t.Pemiddlehookcyrillic = 0x04a6;
+  t.Phi = 0x03a6;
+  t.Phook = 0x01a4;
+  t.Pi = 0x03a0;
+  t.Piwrarmenian = 0x0553;
+  t.Pmonospace = 0xff30;
+  t.Psi = 0x03a8;
+  t.Psicyrillic = 0x0470;
+  t.Psmall = 0xf770;
+  t.Q = 0x0051;
+  t.Qcircle = 0x24c6;
+  t.Qmonospace = 0xff31;
+  t.Qsmall = 0xf771;
+  t.R = 0x0052;
+  t.Raarmenian = 0x054c;
+  t.Racute = 0x0154;
+  t.Rcaron = 0x0158;
+  t.Rcedilla = 0x0156;
+  t.Rcircle = 0x24c7;
+  t.Rcommaaccent = 0x0156;
+  t.Rdblgrave = 0x0210;
+  t.Rdotaccent = 0x1e58;
+  t.Rdotbelow = 0x1e5a;
+  t.Rdotbelowmacron = 0x1e5c;
+  t.Reharmenian = 0x0550;
+  t.Rfraktur = 0x211c;
+  t.Rho = 0x03a1;
+  t.Ringsmall = 0xf6fc;
+  t.Rinvertedbreve = 0x0212;
+  t.Rlinebelow = 0x1e5e;
+  t.Rmonospace = 0xff32;
+  t.Rsmall = 0xf772;
+  t.Rsmallinverted = 0x0281;
+  t.Rsmallinvertedsuperior = 0x02b6;
+  t.S = 0x0053;
+  t.SF010000 = 0x250c;
+  t.SF020000 = 0x2514;
+  t.SF030000 = 0x2510;
+  t.SF040000 = 0x2518;
+  t.SF050000 = 0x253c;
+  t.SF060000 = 0x252c;
+  t.SF070000 = 0x2534;
+  t.SF080000 = 0x251c;
+  t.SF090000 = 0x2524;
+  t.SF100000 = 0x2500;
+  t.SF110000 = 0x2502;
+  t.SF190000 = 0x2561;
+  t.SF200000 = 0x2562;
+  t.SF210000 = 0x2556;
+  t.SF220000 = 0x2555;
+  t.SF230000 = 0x2563;
+  t.SF240000 = 0x2551;
+  t.SF250000 = 0x2557;
+  t.SF260000 = 0x255d;
+  t.SF270000 = 0x255c;
+  t.SF280000 = 0x255b;
+  t.SF360000 = 0x255e;
+  t.SF370000 = 0x255f;
+  t.SF380000 = 0x255a;
+  t.SF390000 = 0x2554;
+  t.SF400000 = 0x2569;
+  t.SF410000 = 0x2566;
+  t.SF420000 = 0x2560;
+  t.SF430000 = 0x2550;
+  t.SF440000 = 0x256c;
+  t.SF450000 = 0x2567;
+  t.SF460000 = 0x2568;
+  t.SF470000 = 0x2564;
+  t.SF480000 = 0x2565;
+  t.SF490000 = 0x2559;
+  t.SF500000 = 0x2558;
+  t.SF510000 = 0x2552;
+  t.SF520000 = 0x2553;
+  t.SF530000 = 0x256b;
+  t.SF540000 = 0x256a;
+  t.Sacute = 0x015a;
+  t.Sacutedotaccent = 0x1e64;
+  t.Sampigreek = 0x03e0;
+  t.Scaron = 0x0160;
+  t.Scarondotaccent = 0x1e66;
+  t.Scaronsmall = 0xf6fd;
+  t.Scedilla = 0x015e;
+  t.Schwa = 0x018f;
+  t.Schwacyrillic = 0x04d8;
+  t.Schwadieresiscyrillic = 0x04da;
+  t.Scircle = 0x24c8;
+  t.Scircumflex = 0x015c;
+  t.Scommaaccent = 0x0218;
+  t.Sdotaccent = 0x1e60;
+  t.Sdotbelow = 0x1e62;
+  t.Sdotbelowdotaccent = 0x1e68;
+  t.Seharmenian = 0x054d;
+  t.Sevenroman = 0x2166;
+  t.Shaarmenian = 0x0547;
+  t.Shacyrillic = 0x0428;
+  t.Shchacyrillic = 0x0429;
+  t.Sheicoptic = 0x03e2;
+  t.Shhacyrillic = 0x04ba;
+  t.Shimacoptic = 0x03ec;
+  t.Sigma = 0x03a3;
+  t.Sixroman = 0x2165;
+  t.Smonospace = 0xff33;
+  t.Softsigncyrillic = 0x042c;
+  t.Ssmall = 0xf773;
+  t.Stigmagreek = 0x03da;
+  t.T = 0x0054;
+  t.Tau = 0x03a4;
+  t.Tbar = 0x0166;
+  t.Tcaron = 0x0164;
+  t.Tcedilla = 0x0162;
+  t.Tcircle = 0x24c9;
+  t.Tcircumflexbelow = 0x1e70;
+  t.Tcommaaccent = 0x0162;
+  t.Tdotaccent = 0x1e6a;
+  t.Tdotbelow = 0x1e6c;
+  t.Tecyrillic = 0x0422;
+  t.Tedescendercyrillic = 0x04ac;
+  t.Tenroman = 0x2169;
+  t.Tetsecyrillic = 0x04b4;
+  t.Theta = 0x0398;
+  t.Thook = 0x01ac;
+  t.Thorn = 0x00de;
+  t.Thornsmall = 0xf7fe;
+  t.Threeroman = 0x2162;
+  t.Tildesmall = 0xf6fe;
+  t.Tiwnarmenian = 0x054f;
+  t.Tlinebelow = 0x1e6e;
+  t.Tmonospace = 0xff34;
+  t.Toarmenian = 0x0539;
+  t.Tonefive = 0x01bc;
+  t.Tonesix = 0x0184;
+  t.Tonetwo = 0x01a7;
+  t.Tretroflexhook = 0x01ae;
+  t.Tsecyrillic = 0x0426;
+  t.Tshecyrillic = 0x040b;
+  t.Tsmall = 0xf774;
+  t.Twelveroman = 0x216b;
+  t.Tworoman = 0x2161;
+  t.U = 0x0055;
+  t.Uacute = 0x00da;
+  t.Uacutesmall = 0xf7fa;
+  t.Ubreve = 0x016c;
+  t.Ucaron = 0x01d3;
+  t.Ucircle = 0x24ca;
+  t.Ucircumflex = 0x00db;
+  t.Ucircumflexbelow = 0x1e76;
+  t.Ucircumflexsmall = 0xf7fb;
+  t.Ucyrillic = 0x0423;
+  t.Udblacute = 0x0170;
+  t.Udblgrave = 0x0214;
+  t.Udieresis = 0x00dc;
+  t.Udieresisacute = 0x01d7;
+  t.Udieresisbelow = 0x1e72;
+  t.Udieresiscaron = 0x01d9;
+  t.Udieresiscyrillic = 0x04f0;
+  t.Udieresisgrave = 0x01db;
+  t.Udieresismacron = 0x01d5;
+  t.Udieresissmall = 0xf7fc;
+  t.Udotbelow = 0x1ee4;
+  t.Ugrave = 0x00d9;
+  t.Ugravesmall = 0xf7f9;
+  t.Uhookabove = 0x1ee6;
+  t.Uhorn = 0x01af;
+  t.Uhornacute = 0x1ee8;
+  t.Uhorndotbelow = 0x1ef0;
+  t.Uhorngrave = 0x1eea;
+  t.Uhornhookabove = 0x1eec;
+  t.Uhorntilde = 0x1eee;
+  t.Uhungarumlaut = 0x0170;
+  t.Uhungarumlautcyrillic = 0x04f2;
+  t.Uinvertedbreve = 0x0216;
+  t.Ukcyrillic = 0x0478;
+  t.Umacron = 0x016a;
+  t.Umacroncyrillic = 0x04ee;
+  t.Umacrondieresis = 0x1e7a;
+  t.Umonospace = 0xff35;
+  t.Uogonek = 0x0172;
+  t.Upsilon = 0x03a5;
+  t.Upsilon1 = 0x03d2;
+  t.Upsilonacutehooksymbolgreek = 0x03d3;
+  t.Upsilonafrican = 0x01b1;
+  t.Upsilondieresis = 0x03ab;
+  t.Upsilondieresishooksymbolgreek = 0x03d4;
+  t.Upsilonhooksymbol = 0x03d2;
+  t.Upsilontonos = 0x038e;
+  t.Uring = 0x016e;
+  t.Ushortcyrillic = 0x040e;
+  t.Usmall = 0xf775;
+  t.Ustraightcyrillic = 0x04ae;
+  t.Ustraightstrokecyrillic = 0x04b0;
+  t.Utilde = 0x0168;
+  t.Utildeacute = 0x1e78;
+  t.Utildebelow = 0x1e74;
+  t.V = 0x0056;
+  t.Vcircle = 0x24cb;
+  t.Vdotbelow = 0x1e7e;
+  t.Vecyrillic = 0x0412;
+  t.Vewarmenian = 0x054e;
+  t.Vhook = 0x01b2;
+  t.Vmonospace = 0xff36;
+  t.Voarmenian = 0x0548;
+  t.Vsmall = 0xf776;
+  t.Vtilde = 0x1e7c;
+  t.W = 0x0057;
+  t.Wacute = 0x1e82;
+  t.Wcircle = 0x24cc;
+  t.Wcircumflex = 0x0174;
+  t.Wdieresis = 0x1e84;
+  t.Wdotaccent = 0x1e86;
+  t.Wdotbelow = 0x1e88;
+  t.Wgrave = 0x1e80;
+  t.Wmonospace = 0xff37;
+  t.Wsmall = 0xf777;
+  t.X = 0x0058;
+  t.Xcircle = 0x24cd;
+  t.Xdieresis = 0x1e8c;
+  t.Xdotaccent = 0x1e8a;
+  t.Xeharmenian = 0x053d;
+  t.Xi = 0x039e;
+  t.Xmonospace = 0xff38;
+  t.Xsmall = 0xf778;
+  t.Y = 0x0059;
+  t.Yacute = 0x00dd;
+  t.Yacutesmall = 0xf7fd;
+  t.Yatcyrillic = 0x0462;
+  t.Ycircle = 0x24ce;
+  t.Ycircumflex = 0x0176;
+  t.Ydieresis = 0x0178;
+  t.Ydieresissmall = 0xf7ff;
+  t.Ydotaccent = 0x1e8e;
+  t.Ydotbelow = 0x1ef4;
+  t.Yericyrillic = 0x042b;
+  t.Yerudieresiscyrillic = 0x04f8;
+  t.Ygrave = 0x1ef2;
+  t.Yhook = 0x01b3;
+  t.Yhookabove = 0x1ef6;
+  t.Yiarmenian = 0x0545;
+  t.Yicyrillic = 0x0407;
+  t.Yiwnarmenian = 0x0552;
+  t.Ymonospace = 0xff39;
+  t.Ysmall = 0xf779;
+  t.Ytilde = 0x1ef8;
+  t.Yusbigcyrillic = 0x046a;
+  t.Yusbigiotifiedcyrillic = 0x046c;
+  t.Yuslittlecyrillic = 0x0466;
+  t.Yuslittleiotifiedcyrillic = 0x0468;
+  t.Z = 0x005a;
+  t.Zaarmenian = 0x0536;
+  t.Zacute = 0x0179;
+  t.Zcaron = 0x017d;
+  t.Zcaronsmall = 0xf6ff;
+  t.Zcircle = 0x24cf;
+  t.Zcircumflex = 0x1e90;
+  t.Zdot = 0x017b;
+  t.Zdotaccent = 0x017b;
+  t.Zdotbelow = 0x1e92;
+  t.Zecyrillic = 0x0417;
+  t.Zedescendercyrillic = 0x0498;
+  t.Zedieresiscyrillic = 0x04de;
+  t.Zeta = 0x0396;
+  t.Zhearmenian = 0x053a;
+  t.Zhebrevecyrillic = 0x04c1;
+  t.Zhecyrillic = 0x0416;
+  t.Zhedescendercyrillic = 0x0496;
+  t.Zhedieresiscyrillic = 0x04dc;
+  t.Zlinebelow = 0x1e94;
+  t.Zmonospace = 0xff3a;
+  t.Zsmall = 0xf77a;
+  t.Zstroke = 0x01b5;
+  t.a = 0x0061;
+  t.aabengali = 0x0986;
+  t.aacute = 0x00e1;
+  t.aadeva = 0x0906;
+  t.aagujarati = 0x0a86;
+  t.aagurmukhi = 0x0a06;
+  t.aamatragurmukhi = 0x0a3e;
+  t.aarusquare = 0x3303;
+  t.aavowelsignbengali = 0x09be;
+  t.aavowelsigndeva = 0x093e;
+  t.aavowelsigngujarati = 0x0abe;
+  t.abbreviationmarkarmenian = 0x055f;
+  t.abbreviationsigndeva = 0x0970;
+  t.abengali = 0x0985;
+  t.abopomofo = 0x311a;
+  t.abreve = 0x0103;
+  t.abreveacute = 0x1eaf;
+  t.abrevecyrillic = 0x04d1;
+  t.abrevedotbelow = 0x1eb7;
+  t.abrevegrave = 0x1eb1;
+  t.abrevehookabove = 0x1eb3;
+  t.abrevetilde = 0x1eb5;
+  t.acaron = 0x01ce;
+  t.acircle = 0x24d0;
+  t.acircumflex = 0x00e2;
+  t.acircumflexacute = 0x1ea5;
+  t.acircumflexdotbelow = 0x1ead;
+  t.acircumflexgrave = 0x1ea7;
+  t.acircumflexhookabove = 0x1ea9;
+  t.acircumflextilde = 0x1eab;
+  t.acute = 0x00b4;
+  t.acutebelowcmb = 0x0317;
+  t.acutecmb = 0x0301;
+  t.acutecomb = 0x0301;
+  t.acutedeva = 0x0954;
+  t.acutelowmod = 0x02cf;
+  t.acutetonecmb = 0x0341;
+  t.acyrillic = 0x0430;
+  t.adblgrave = 0x0201;
+  t.addakgurmukhi = 0x0a71;
+  t.adeva = 0x0905;
+  t.adieresis = 0x00e4;
+  t.adieresiscyrillic = 0x04d3;
+  t.adieresismacron = 0x01df;
+  t.adotbelow = 0x1ea1;
+  t.adotmacron = 0x01e1;
+  t.ae = 0x00e6;
+  t.aeacute = 0x01fd;
+  t.aekorean = 0x3150;
+  t.aemacron = 0x01e3;
+  t.afii00208 = 0x2015;
+  t.afii08941 = 0x20a4;
+  t.afii10017 = 0x0410;
+  t.afii10018 = 0x0411;
+  t.afii10019 = 0x0412;
+  t.afii10020 = 0x0413;
+  t.afii10021 = 0x0414;
+  t.afii10022 = 0x0415;
+  t.afii10023 = 0x0401;
+  t.afii10024 = 0x0416;
+  t.afii10025 = 0x0417;
+  t.afii10026 = 0x0418;
+  t.afii10027 = 0x0419;
+  t.afii10028 = 0x041a;
+  t.afii10029 = 0x041b;
+  t.afii10030 = 0x041c;
+  t.afii10031 = 0x041d;
+  t.afii10032 = 0x041e;
+  t.afii10033 = 0x041f;
+  t.afii10034 = 0x0420;
+  t.afii10035 = 0x0421;
+  t.afii10036 = 0x0422;
+  t.afii10037 = 0x0423;
+  t.afii10038 = 0x0424;
+  t.afii10039 = 0x0425;
+  t.afii10040 = 0x0426;
+  t.afii10041 = 0x0427;
+  t.afii10042 = 0x0428;
+  t.afii10043 = 0x0429;
+  t.afii10044 = 0x042a;
+  t.afii10045 = 0x042b;
+  t.afii10046 = 0x042c;
+  t.afii10047 = 0x042d;
+  t.afii10048 = 0x042e;
+  t.afii10049 = 0x042f;
+  t.afii10050 = 0x0490;
+  t.afii10051 = 0x0402;
+  t.afii10052 = 0x0403;
+  t.afii10053 = 0x0404;
+  t.afii10054 = 0x0405;
+  t.afii10055 = 0x0406;
+  t.afii10056 = 0x0407;
+  t.afii10057 = 0x0408;
+  t.afii10058 = 0x0409;
+  t.afii10059 = 0x040a;
+  t.afii10060 = 0x040b;
+  t.afii10061 = 0x040c;
+  t.afii10062 = 0x040e;
+  t.afii10063 = 0xf6c4;
+  t.afii10064 = 0xf6c5;
+  t.afii10065 = 0x0430;
+  t.afii10066 = 0x0431;
+  t.afii10067 = 0x0432;
+  t.afii10068 = 0x0433;
+  t.afii10069 = 0x0434;
+  t.afii10070 = 0x0435;
+  t.afii10071 = 0x0451;
+  t.afii10072 = 0x0436;
+  t.afii10073 = 0x0437;
+  t.afii10074 = 0x0438;
+  t.afii10075 = 0x0439;
+  t.afii10076 = 0x043a;
+  t.afii10077 = 0x043b;
+  t.afii10078 = 0x043c;
+  t.afii10079 = 0x043d;
+  t.afii10080 = 0x043e;
+  t.afii10081 = 0x043f;
+  t.afii10082 = 0x0440;
+  t.afii10083 = 0x0441;
+  t.afii10084 = 0x0442;
+  t.afii10085 = 0x0443;
+  t.afii10086 = 0x0444;
+  t.afii10087 = 0x0445;
+  t.afii10088 = 0x0446;
+  t.afii10089 = 0x0447;
+  t.afii10090 = 0x0448;
+  t.afii10091 = 0x0449;
+  t.afii10092 = 0x044a;
+  t.afii10093 = 0x044b;
+  t.afii10094 = 0x044c;
+  t.afii10095 = 0x044d;
+  t.afii10096 = 0x044e;
+  t.afii10097 = 0x044f;
+  t.afii10098 = 0x0491;
+  t.afii10099 = 0x0452;
+  t.afii10100 = 0x0453;
+  t.afii10101 = 0x0454;
+  t.afii10102 = 0x0455;
+  t.afii10103 = 0x0456;
+  t.afii10104 = 0x0457;
+  t.afii10105 = 0x0458;
+  t.afii10106 = 0x0459;
+  t.afii10107 = 0x045a;
+  t.afii10108 = 0x045b;
+  t.afii10109 = 0x045c;
+  t.afii10110 = 0x045e;
+  t.afii10145 = 0x040f;
+  t.afii10146 = 0x0462;
+  t.afii10147 = 0x0472;
+  t.afii10148 = 0x0474;
+  t.afii10192 = 0xf6c6;
+  t.afii10193 = 0x045f;
+  t.afii10194 = 0x0463;
+  t.afii10195 = 0x0473;
+  t.afii10196 = 0x0475;
+  t.afii10831 = 0xf6c7;
+  t.afii10832 = 0xf6c8;
+  t.afii10846 = 0x04d9;
+  t.afii299 = 0x200e;
+  t.afii300 = 0x200f;
+  t.afii301 = 0x200d;
+  t.afii57381 = 0x066a;
+  t.afii57388 = 0x060c;
+  t.afii57392 = 0x0660;
+  t.afii57393 = 0x0661;
+  t.afii57394 = 0x0662;
+  t.afii57395 = 0x0663;
+  t.afii57396 = 0x0664;
+  t.afii57397 = 0x0665;
+  t.afii57398 = 0x0666;
+  t.afii57399 = 0x0667;
+  t.afii57400 = 0x0668;
+  t.afii57401 = 0x0669;
+  t.afii57403 = 0x061b;
+  t.afii57407 = 0x061f;
+  t.afii57409 = 0x0621;
+  t.afii57410 = 0x0622;
+  t.afii57411 = 0x0623;
+  t.afii57412 = 0x0624;
+  t.afii57413 = 0x0625;
+  t.afii57414 = 0x0626;
+  t.afii57415 = 0x0627;
+  t.afii57416 = 0x0628;
+  t.afii57417 = 0x0629;
+  t.afii57418 = 0x062a;
+  t.afii57419 = 0x062b;
+  t.afii57420 = 0x062c;
+  t.afii57421 = 0x062d;
+  t.afii57422 = 0x062e;
+  t.afii57423 = 0x062f;
+  t.afii57424 = 0x0630;
+  t.afii57425 = 0x0631;
+  t.afii57426 = 0x0632;
+  t.afii57427 = 0x0633;
+  t.afii57428 = 0x0634;
+  t.afii57429 = 0x0635;
+  t.afii57430 = 0x0636;
+  t.afii57431 = 0x0637;
+  t.afii57432 = 0x0638;
+  t.afii57433 = 0x0639;
+  t.afii57434 = 0x063a;
+  t.afii57440 = 0x0640;
+  t.afii57441 = 0x0641;
+  t.afii57442 = 0x0642;
+  t.afii57443 = 0x0643;
+  t.afii57444 = 0x0644;
+  t.afii57445 = 0x0645;
+  t.afii57446 = 0x0646;
+  t.afii57448 = 0x0648;
+  t.afii57449 = 0x0649;
+  t.afii57450 = 0x064a;
+  t.afii57451 = 0x064b;
+  t.afii57452 = 0x064c;
+  t.afii57453 = 0x064d;
+  t.afii57454 = 0x064e;
+  t.afii57455 = 0x064f;
+  t.afii57456 = 0x0650;
+  t.afii57457 = 0x0651;
+  t.afii57458 = 0x0652;
+  t.afii57470 = 0x0647;
+  t.afii57505 = 0x06a4;
+  t.afii57506 = 0x067e;
+  t.afii57507 = 0x0686;
+  t.afii57508 = 0x0698;
+  t.afii57509 = 0x06af;
+  t.afii57511 = 0x0679;
+  t.afii57512 = 0x0688;
+  t.afii57513 = 0x0691;
+  t.afii57514 = 0x06ba;
+  t.afii57519 = 0x06d2;
+  t.afii57534 = 0x06d5;
+  t.afii57636 = 0x20aa;
+  t.afii57645 = 0x05be;
+  t.afii57658 = 0x05c3;
+  t.afii57664 = 0x05d0;
+  t.afii57665 = 0x05d1;
+  t.afii57666 = 0x05d2;
+  t.afii57667 = 0x05d3;
+  t.afii57668 = 0x05d4;
+  t.afii57669 = 0x05d5;
+  t.afii57670 = 0x05d6;
+  t.afii57671 = 0x05d7;
+  t.afii57672 = 0x05d8;
+  t.afii57673 = 0x05d9;
+  t.afii57674 = 0x05da;
+  t.afii57675 = 0x05db;
+  t.afii57676 = 0x05dc;
+  t.afii57677 = 0x05dd;
+  t.afii57678 = 0x05de;
+  t.afii57679 = 0x05df;
+  t.afii57680 = 0x05e0;
+  t.afii57681 = 0x05e1;
+  t.afii57682 = 0x05e2;
+  t.afii57683 = 0x05e3;
+  t.afii57684 = 0x05e4;
+  t.afii57685 = 0x05e5;
+  t.afii57686 = 0x05e6;
+  t.afii57687 = 0x05e7;
+  t.afii57688 = 0x05e8;
+  t.afii57689 = 0x05e9;
+  t.afii57690 = 0x05ea;
+  t.afii57694 = 0xfb2a;
+  t.afii57695 = 0xfb2b;
+  t.afii57700 = 0xfb4b;
+  t.afii57705 = 0xfb1f;
+  t.afii57716 = 0x05f0;
+  t.afii57717 = 0x05f1;
+  t.afii57718 = 0x05f2;
+  t.afii57723 = 0xfb35;
+  t.afii57793 = 0x05b4;
+  t.afii57794 = 0x05b5;
+  t.afii57795 = 0x05b6;
+  t.afii57796 = 0x05bb;
+  t.afii57797 = 0x05b8;
+  t.afii57798 = 0x05b7;
+  t.afii57799 = 0x05b0;
+  t.afii57800 = 0x05b2;
+  t.afii57801 = 0x05b1;
+  t.afii57802 = 0x05b3;
+  t.afii57803 = 0x05c2;
+  t.afii57804 = 0x05c1;
+  t.afii57806 = 0x05b9;
+  t.afii57807 = 0x05bc;
+  t.afii57839 = 0x05bd;
+  t.afii57841 = 0x05bf;
+  t.afii57842 = 0x05c0;
+  t.afii57929 = 0x02bc;
+  t.afii61248 = 0x2105;
+  t.afii61289 = 0x2113;
+  t.afii61352 = 0x2116;
+  t.afii61573 = 0x202c;
+  t.afii61574 = 0x202d;
+  t.afii61575 = 0x202e;
+  t.afii61664 = 0x200c;
+  t.afii63167 = 0x066d;
+  t.afii64937 = 0x02bd;
+  t.agrave = 0x00e0;
+  t.agujarati = 0x0a85;
+  t.agurmukhi = 0x0a05;
+  t.ahiragana = 0x3042;
+  t.ahookabove = 0x1ea3;
+  t.aibengali = 0x0990;
+  t.aibopomofo = 0x311e;
+  t.aideva = 0x0910;
+  t.aiecyrillic = 0x04d5;
+  t.aigujarati = 0x0a90;
+  t.aigurmukhi = 0x0a10;
+  t.aimatragurmukhi = 0x0a48;
+  t.ainarabic = 0x0639;
+  t.ainfinalarabic = 0xfeca;
+  t.aininitialarabic = 0xfecb;
+  t.ainmedialarabic = 0xfecc;
+  t.ainvertedbreve = 0x0203;
+  t.aivowelsignbengali = 0x09c8;
+  t.aivowelsigndeva = 0x0948;
+  t.aivowelsigngujarati = 0x0ac8;
+  t.akatakana = 0x30a2;
+  t.akatakanahalfwidth = 0xff71;
+  t.akorean = 0x314f;
+  t.alef = 0x05d0;
+  t.alefarabic = 0x0627;
+  t.alefdageshhebrew = 0xfb30;
+  t.aleffinalarabic = 0xfe8e;
+  t.alefhamzaabovearabic = 0x0623;
+  t.alefhamzaabovefinalarabic = 0xfe84;
+  t.alefhamzabelowarabic = 0x0625;
+  t.alefhamzabelowfinalarabic = 0xfe88;
+  t.alefhebrew = 0x05d0;
+  t.aleflamedhebrew = 0xfb4f;
+  t.alefmaddaabovearabic = 0x0622;
+  t.alefmaddaabovefinalarabic = 0xfe82;
+  t.alefmaksuraarabic = 0x0649;
+  t.alefmaksurafinalarabic = 0xfef0;
+  t.alefmaksurainitialarabic = 0xfef3;
+  t.alefmaksuramedialarabic = 0xfef4;
+  t.alefpatahhebrew = 0xfb2e;
+  t.alefqamatshebrew = 0xfb2f;
+  t.aleph = 0x2135;
+  t.allequal = 0x224c;
+  t.alpha = 0x03b1;
+  t.alphatonos = 0x03ac;
+  t.amacron = 0x0101;
+  t.amonospace = 0xff41;
+  t.ampersand = 0x0026;
+  t.ampersandmonospace = 0xff06;
+  t.ampersandsmall = 0xf726;
+  t.amsquare = 0x33c2;
+  t.anbopomofo = 0x3122;
+  t.angbopomofo = 0x3124;
+  t.angbracketleft = 0x3008;
+  t.angbracketright = 0x3009;
+  t.angkhankhuthai = 0x0e5a;
+  t.angle = 0x2220;
+  t.anglebracketleft = 0x3008;
+  t.anglebracketleftvertical = 0xfe3f;
+  t.anglebracketright = 0x3009;
+  t.anglebracketrightvertical = 0xfe40;
+  t.angleleft = 0x2329;
+  t.angleright = 0x232a;
+  t.angstrom = 0x212b;
+  t.anoteleia = 0x0387;
+  t.anudattadeva = 0x0952;
+  t.anusvarabengali = 0x0982;
+  t.anusvaradeva = 0x0902;
+  t.anusvaragujarati = 0x0a82;
+  t.aogonek = 0x0105;
+  t.apaatosquare = 0x3300;
+  t.aparen = 0x249c;
+  t.apostrophearmenian = 0x055a;
+  t.apostrophemod = 0x02bc;
+  t.apple = 0xf8ff;
+  t.approaches = 0x2250;
+  t.approxequal = 0x2248;
+  t.approxequalorimage = 0x2252;
+  t.approximatelyequal = 0x2245;
+  t.araeaekorean = 0x318e;
+  t.araeakorean = 0x318d;
+  t.arc = 0x2312;
+  t.arighthalfring = 0x1e9a;
+  t.aring = 0x00e5;
+  t.aringacute = 0x01fb;
+  t.aringbelow = 0x1e01;
+  t.arrowboth = 0x2194;
+  t.arrowdashdown = 0x21e3;
+  t.arrowdashleft = 0x21e0;
+  t.arrowdashright = 0x21e2;
+  t.arrowdashup = 0x21e1;
+  t.arrowdblboth = 0x21d4;
+  t.arrowdbldown = 0x21d3;
+  t.arrowdblleft = 0x21d0;
+  t.arrowdblright = 0x21d2;
+  t.arrowdblup = 0x21d1;
+  t.arrowdown = 0x2193;
+  t.arrowdownleft = 0x2199;
+  t.arrowdownright = 0x2198;
+  t.arrowdownwhite = 0x21e9;
+  t.arrowheaddownmod = 0x02c5;
+  t.arrowheadleftmod = 0x02c2;
+  t.arrowheadrightmod = 0x02c3;
+  t.arrowheadupmod = 0x02c4;
+  t.arrowhorizex = 0xf8e7;
+  t.arrowleft = 0x2190;
+  t.arrowleftdbl = 0x21d0;
+  t.arrowleftdblstroke = 0x21cd;
+  t.arrowleftoverright = 0x21c6;
+  t.arrowleftwhite = 0x21e6;
+  t.arrowright = 0x2192;
+  t.arrowrightdblstroke = 0x21cf;
+  t.arrowrightheavy = 0x279e;
+  t.arrowrightoverleft = 0x21c4;
+  t.arrowrightwhite = 0x21e8;
+  t.arrowtableft = 0x21e4;
+  t.arrowtabright = 0x21e5;
+  t.arrowup = 0x2191;
+  t.arrowupdn = 0x2195;
+  t.arrowupdnbse = 0x21a8;
+  t.arrowupdownbase = 0x21a8;
+  t.arrowupleft = 0x2196;
+  t.arrowupleftofdown = 0x21c5;
+  t.arrowupright = 0x2197;
+  t.arrowupwhite = 0x21e7;
+  t.arrowvertex = 0xf8e6;
+  t.asciicircum = 0x005e;
+  t.asciicircummonospace = 0xff3e;
+  t.asciitilde = 0x007e;
+  t.asciitildemonospace = 0xff5e;
+  t.ascript = 0x0251;
+  t.ascriptturned = 0x0252;
+  t.asmallhiragana = 0x3041;
+  t.asmallkatakana = 0x30a1;
+  t.asmallkatakanahalfwidth = 0xff67;
+  t.asterisk = 0x002a;
+  t.asteriskaltonearabic = 0x066d;
+  t.asteriskarabic = 0x066d;
+  t.asteriskmath = 0x2217;
+  t.asteriskmonospace = 0xff0a;
+  t.asterisksmall = 0xfe61;
+  t.asterism = 0x2042;
+  t.asuperior = 0xf6e9;
+  t.asymptoticallyequal = 0x2243;
+  t.at = 0x0040;
+  t.atilde = 0x00e3;
+  t.atmonospace = 0xff20;
+  t.atsmall = 0xfe6b;
+  t.aturned = 0x0250;
+  t.aubengali = 0x0994;
+  t.aubopomofo = 0x3120;
+  t.audeva = 0x0914;
+  t.augujarati = 0x0a94;
+  t.augurmukhi = 0x0a14;
+  t.aulengthmarkbengali = 0x09d7;
+  t.aumatragurmukhi = 0x0a4c;
+  t.auvowelsignbengali = 0x09cc;
+  t.auvowelsigndeva = 0x094c;
+  t.auvowelsigngujarati = 0x0acc;
+  t.avagrahadeva = 0x093d;
+  t.aybarmenian = 0x0561;
+  t.ayin = 0x05e2;
+  t.ayinaltonehebrew = 0xfb20;
+  t.ayinhebrew = 0x05e2;
+  t.b = 0x0062;
+  t.babengali = 0x09ac;
+  t.backslash = 0x005c;
+  t.backslashmonospace = 0xff3c;
+  t.badeva = 0x092c;
+  t.bagujarati = 0x0aac;
+  t.bagurmukhi = 0x0a2c;
+  t.bahiragana = 0x3070;
+  t.bahtthai = 0x0e3f;
+  t.bakatakana = 0x30d0;
+  t.bar = 0x007c;
+  t.barmonospace = 0xff5c;
+  t.bbopomofo = 0x3105;
+  t.bcircle = 0x24d1;
+  t.bdotaccent = 0x1e03;
+  t.bdotbelow = 0x1e05;
+  t.beamedsixteenthnotes = 0x266c;
+  t.because = 0x2235;
+  t.becyrillic = 0x0431;
+  t.beharabic = 0x0628;
+  t.behfinalarabic = 0xfe90;
+  t.behinitialarabic = 0xfe91;
+  t.behiragana = 0x3079;
+  t.behmedialarabic = 0xfe92;
+  t.behmeeminitialarabic = 0xfc9f;
+  t.behmeemisolatedarabic = 0xfc08;
+  t.behnoonfinalarabic = 0xfc6d;
+  t.bekatakana = 0x30d9;
+  t.benarmenian = 0x0562;
+  t.bet = 0x05d1;
+  t.beta = 0x03b2;
+  t.betasymbolgreek = 0x03d0;
+  t.betdagesh = 0xfb31;
+  t.betdageshhebrew = 0xfb31;
+  t.bethebrew = 0x05d1;
+  t.betrafehebrew = 0xfb4c;
+  t.bhabengali = 0x09ad;
+  t.bhadeva = 0x092d;
+  t.bhagujarati = 0x0aad;
+  t.bhagurmukhi = 0x0a2d;
+  t.bhook = 0x0253;
+  t.bihiragana = 0x3073;
+  t.bikatakana = 0x30d3;
+  t.bilabialclick = 0x0298;
+  t.bindigurmukhi = 0x0a02;
+  t.birusquare = 0x3331;
+  t.blackcircle = 0x25cf;
+  t.blackdiamond = 0x25c6;
+  t.blackdownpointingtriangle = 0x25bc;
+  t.blackleftpointingpointer = 0x25c4;
+  t.blackleftpointingtriangle = 0x25c0;
+  t.blacklenticularbracketleft = 0x3010;
+  t.blacklenticularbracketleftvertical = 0xfe3b;
+  t.blacklenticularbracketright = 0x3011;
+  t.blacklenticularbracketrightvertical = 0xfe3c;
+  t.blacklowerlefttriangle = 0x25e3;
+  t.blacklowerrighttriangle = 0x25e2;
+  t.blackrectangle = 0x25ac;
+  t.blackrightpointingpointer = 0x25ba;
+  t.blackrightpointingtriangle = 0x25b6;
+  t.blacksmallsquare = 0x25aa;
+  t.blacksmilingface = 0x263b;
+  t.blacksquare = 0x25a0;
+  t.blackstar = 0x2605;
+  t.blackupperlefttriangle = 0x25e4;
+  t.blackupperrighttriangle = 0x25e5;
+  t.blackuppointingsmalltriangle = 0x25b4;
+  t.blackuppointingtriangle = 0x25b2;
+  t.blank = 0x2423;
+  t.blinebelow = 0x1e07;
+  t.block = 0x2588;
+  t.bmonospace = 0xff42;
+  t.bobaimaithai = 0x0e1a;
+  t.bohiragana = 0x307c;
+  t.bokatakana = 0x30dc;
+  t.bparen = 0x249d;
+  t.bqsquare = 0x33c3;
+  t.braceex = 0xf8f4;
+  t.braceleft = 0x007b;
+  t.braceleftbt = 0xf8f3;
+  t.braceleftmid = 0xf8f2;
+  t.braceleftmonospace = 0xff5b;
+  t.braceleftsmall = 0xfe5b;
+  t.bracelefttp = 0xf8f1;
+  t.braceleftvertical = 0xfe37;
+  t.braceright = 0x007d;
+  t.bracerightbt = 0xf8fe;
+  t.bracerightmid = 0xf8fd;
+  t.bracerightmonospace = 0xff5d;
+  t.bracerightsmall = 0xfe5c;
+  t.bracerighttp = 0xf8fc;
+  t.bracerightvertical = 0xfe38;
+  t.bracketleft = 0x005b;
+  t.bracketleftbt = 0xf8f0;
+  t.bracketleftex = 0xf8ef;
+  t.bracketleftmonospace = 0xff3b;
+  t.bracketlefttp = 0xf8ee;
+  t.bracketright = 0x005d;
+  t.bracketrightbt = 0xf8fb;
+  t.bracketrightex = 0xf8fa;
+  t.bracketrightmonospace = 0xff3d;
+  t.bracketrighttp = 0xf8f9;
+  t.breve = 0x02d8;
+  t.brevebelowcmb = 0x032e;
+  t.brevecmb = 0x0306;
+  t.breveinvertedbelowcmb = 0x032f;
+  t.breveinvertedcmb = 0x0311;
+  t.breveinverteddoublecmb = 0x0361;
+  t.bridgebelowcmb = 0x032a;
+  t.bridgeinvertedbelowcmb = 0x033a;
+  t.brokenbar = 0x00a6;
+  t.bstroke = 0x0180;
+  t.bsuperior = 0xf6ea;
+  t.btopbar = 0x0183;
+  t.buhiragana = 0x3076;
+  t.bukatakana = 0x30d6;
+  t.bullet = 0x2022;
+  t.bulletinverse = 0x25d8;
+  t.bulletoperator = 0x2219;
+  t.bullseye = 0x25ce;
+  t.c = 0x0063;
+  t.caarmenian = 0x056e;
+  t.cabengali = 0x099a;
+  t.cacute = 0x0107;
+  t.cadeva = 0x091a;
+  t.cagujarati = 0x0a9a;
+  t.cagurmukhi = 0x0a1a;
+  t.calsquare = 0x3388;
+  t.candrabindubengali = 0x0981;
+  t.candrabinducmb = 0x0310;
+  t.candrabindudeva = 0x0901;
+  t.candrabindugujarati = 0x0a81;
+  t.capslock = 0x21ea;
+  t.careof = 0x2105;
+  t.caron = 0x02c7;
+  t.caronbelowcmb = 0x032c;
+  t.caroncmb = 0x030c;
+  t.carriagereturn = 0x21b5;
+  t.cbopomofo = 0x3118;
+  t.ccaron = 0x010d;
+  t.ccedilla = 0x00e7;
+  t.ccedillaacute = 0x1e09;
+  t.ccircle = 0x24d2;
+  t.ccircumflex = 0x0109;
+  t.ccurl = 0x0255;
+  t.cdot = 0x010b;
+  t.cdotaccent = 0x010b;
+  t.cdsquare = 0x33c5;
+  t.cedilla = 0x00b8;
+  t.cedillacmb = 0x0327;
+  t.cent = 0x00a2;
+  t.centigrade = 0x2103;
+  t.centinferior = 0xf6df;
+  t.centmonospace = 0xffe0;
+  t.centoldstyle = 0xf7a2;
+  t.centsuperior = 0xf6e0;
+  t.chaarmenian = 0x0579;
+  t.chabengali = 0x099b;
+  t.chadeva = 0x091b;
+  t.chagujarati = 0x0a9b;
+  t.chagurmukhi = 0x0a1b;
+  t.chbopomofo = 0x3114;
+  t.cheabkhasiancyrillic = 0x04bd;
+  t.checkmark = 0x2713;
+  t.checyrillic = 0x0447;
+  t.chedescenderabkhasiancyrillic = 0x04bf;
+  t.chedescendercyrillic = 0x04b7;
+  t.chedieresiscyrillic = 0x04f5;
+  t.cheharmenian = 0x0573;
+  t.chekhakassiancyrillic = 0x04cc;
+  t.cheverticalstrokecyrillic = 0x04b9;
+  t.chi = 0x03c7;
+  t.chieuchacirclekorean = 0x3277;
+  t.chieuchaparenkorean = 0x3217;
+  t.chieuchcirclekorean = 0x3269;
+  t.chieuchkorean = 0x314a;
+  t.chieuchparenkorean = 0x3209;
+  t.chochangthai = 0x0e0a;
+  t.chochanthai = 0x0e08;
+  t.chochingthai = 0x0e09;
+  t.chochoethai = 0x0e0c;
+  t.chook = 0x0188;
+  t.cieucacirclekorean = 0x3276;
+  t.cieucaparenkorean = 0x3216;
+  t.cieuccirclekorean = 0x3268;
+  t.cieuckorean = 0x3148;
+  t.cieucparenkorean = 0x3208;
+  t.cieucuparenkorean = 0x321c;
+  t.circle = 0x25cb;
+  t.circlecopyrt = 0x00a9;
+  t.circlemultiply = 0x2297;
+  t.circleot = 0x2299;
+  t.circleplus = 0x2295;
+  t.circlepostalmark = 0x3036;
+  t.circlewithlefthalfblack = 0x25d0;
+  t.circlewithrighthalfblack = 0x25d1;
+  t.circumflex = 0x02c6;
+  t.circumflexbelowcmb = 0x032d;
+  t.circumflexcmb = 0x0302;
+  t.clear = 0x2327;
+  t.clickalveolar = 0x01c2;
+  t.clickdental = 0x01c0;
+  t.clicklateral = 0x01c1;
+  t.clickretroflex = 0x01c3;
+  t.club = 0x2663;
+  t.clubsuitblack = 0x2663;
+  t.clubsuitwhite = 0x2667;
+  t.cmcubedsquare = 0x33a4;
+  t.cmonospace = 0xff43;
+  t.cmsquaredsquare = 0x33a0;
+  t.coarmenian = 0x0581;
+  t.colon = 0x003a;
+  t.colonmonetary = 0x20a1;
+  t.colonmonospace = 0xff1a;
+  t.colonsign = 0x20a1;
+  t.colonsmall = 0xfe55;
+  t.colontriangularhalfmod = 0x02d1;
+  t.colontriangularmod = 0x02d0;
+  t.comma = 0x002c;
+  t.commaabovecmb = 0x0313;
+  t.commaaboverightcmb = 0x0315;
+  t.commaaccent = 0xf6c3;
+  t.commaarabic = 0x060c;
+  t.commaarmenian = 0x055d;
+  t.commainferior = 0xf6e1;
+  t.commamonospace = 0xff0c;
+  t.commareversedabovecmb = 0x0314;
+  t.commareversedmod = 0x02bd;
+  t.commasmall = 0xfe50;
+  t.commasuperior = 0xf6e2;
+  t.commaturnedabovecmb = 0x0312;
+  t.commaturnedmod = 0x02bb;
+  t.compass = 0x263c;
+  t.congruent = 0x2245;
+  t.contourintegral = 0x222e;
+  t.control = 0x2303;
+  t.controlACK = 0x0006;
+  t.controlBEL = 0x0007;
+  t.controlBS = 0x0008;
+  t.controlCAN = 0x0018;
+  t.controlCR = 0x000d;
+  t.controlDC1 = 0x0011;
+  t.controlDC2 = 0x0012;
+  t.controlDC3 = 0x0013;
+  t.controlDC4 = 0x0014;
+  t.controlDEL = 0x007f;
+  t.controlDLE = 0x0010;
+  t.controlEM = 0x0019;
+  t.controlENQ = 0x0005;
+  t.controlEOT = 0x0004;
+  t.controlESC = 0x001b;
+  t.controlETB = 0x0017;
+  t.controlETX = 0x0003;
+  t.controlFF = 0x000c;
+  t.controlFS = 0x001c;
+  t.controlGS = 0x001d;
+  t.controlHT = 0x0009;
+  t.controlLF = 0x000a;
+  t.controlNAK = 0x0015;
+  t.controlNULL = 0x0000;
+  t.controlRS = 0x001e;
+  t.controlSI = 0x000f;
+  t.controlSO = 0x000e;
+  t.controlSOT = 0x0002;
+  t.controlSTX = 0x0001;
+  t.controlSUB = 0x001a;
+  t.controlSYN = 0x0016;
+  t.controlUS = 0x001f;
+  t.controlVT = 0x000b;
+  t.copyright = 0x00a9;
+  t.copyrightsans = 0xf8e9;
+  t.copyrightserif = 0xf6d9;
+  t.cornerbracketleft = 0x300c;
+  t.cornerbracketlefthalfwidth = 0xff62;
+  t.cornerbracketleftvertical = 0xfe41;
+  t.cornerbracketright = 0x300d;
+  t.cornerbracketrighthalfwidth = 0xff63;
+  t.cornerbracketrightvertical = 0xfe42;
+  t.corporationsquare = 0x337f;
+  t.cosquare = 0x33c7;
+  t.coverkgsquare = 0x33c6;
+  t.cparen = 0x249e;
+  t.cruzeiro = 0x20a2;
+  t.cstretched = 0x0297;
+  t.curlyand = 0x22cf;
+  t.curlyor = 0x22ce;
+  t.currency = 0x00a4;
+  t.cyrBreve = 0xf6d1;
+  t.cyrFlex = 0xf6d2;
+  t.cyrbreve = 0xf6d4;
+  t.cyrflex = 0xf6d5;
+  t.d = 0x0064;
+  t.daarmenian = 0x0564;
+  t.dabengali = 0x09a6;
+  t.dadarabic = 0x0636;
+  t.dadeva = 0x0926;
+  t.dadfinalarabic = 0xfebe;
+  t.dadinitialarabic = 0xfebf;
+  t.dadmedialarabic = 0xfec0;
+  t.dagesh = 0x05bc;
+  t.dageshhebrew = 0x05bc;
+  t.dagger = 0x2020;
+  t.daggerdbl = 0x2021;
+  t.dagujarati = 0x0aa6;
+  t.dagurmukhi = 0x0a26;
+  t.dahiragana = 0x3060;
+  t.dakatakana = 0x30c0;
+  t.dalarabic = 0x062f;
+  t.dalet = 0x05d3;
+  t.daletdagesh = 0xfb33;
+  t.daletdageshhebrew = 0xfb33;
+  t.dalethebrew = 0x05d3;
+  t.dalfinalarabic = 0xfeaa;
+  t.dammaarabic = 0x064f;
+  t.dammalowarabic = 0x064f;
+  t.dammatanaltonearabic = 0x064c;
+  t.dammatanarabic = 0x064c;
+  t.danda = 0x0964;
+  t.dargahebrew = 0x05a7;
+  t.dargalefthebrew = 0x05a7;
+  t.dasiapneumatacyrilliccmb = 0x0485;
+  t.dblGrave = 0xf6d3;
+  t.dblanglebracketleft = 0x300a;
+  t.dblanglebracketleftvertical = 0xfe3d;
+  t.dblanglebracketright = 0x300b;
+  t.dblanglebracketrightvertical = 0xfe3e;
+  t.dblarchinvertedbelowcmb = 0x032b;
+  t.dblarrowleft = 0x21d4;
+  t.dblarrowright = 0x21d2;
+  t.dbldanda = 0x0965;
+  t.dblgrave = 0xf6d6;
+  t.dblgravecmb = 0x030f;
+  t.dblintegral = 0x222c;
+  t.dbllowline = 0x2017;
+  t.dbllowlinecmb = 0x0333;
+  t.dbloverlinecmb = 0x033f;
+  t.dblprimemod = 0x02ba;
+  t.dblverticalbar = 0x2016;
+  t.dblverticallineabovecmb = 0x030e;
+  t.dbopomofo = 0x3109;
+  t.dbsquare = 0x33c8;
+  t.dcaron = 0x010f;
+  t.dcedilla = 0x1e11;
+  t.dcircle = 0x24d3;
+  t.dcircumflexbelow = 0x1e13;
+  t.dcroat = 0x0111;
+  t.ddabengali = 0x09a1;
+  t.ddadeva = 0x0921;
+  t.ddagujarati = 0x0aa1;
+  t.ddagurmukhi = 0x0a21;
+  t.ddalarabic = 0x0688;
+  t.ddalfinalarabic = 0xfb89;
+  t.dddhadeva = 0x095c;
+  t.ddhabengali = 0x09a2;
+  t.ddhadeva = 0x0922;
+  t.ddhagujarati = 0x0aa2;
+  t.ddhagurmukhi = 0x0a22;
+  t.ddotaccent = 0x1e0b;
+  t.ddotbelow = 0x1e0d;
+  t.decimalseparatorarabic = 0x066b;
+  t.decimalseparatorpersian = 0x066b;
+  t.decyrillic = 0x0434;
+  t.degree = 0x00b0;
+  t.dehihebrew = 0x05ad;
+  t.dehiragana = 0x3067;
+  t.deicoptic = 0x03ef;
+  t.dekatakana = 0x30c7;
+  t.deleteleft = 0x232b;
+  t.deleteright = 0x2326;
+  t.delta = 0x03b4;
+  t.deltaturned = 0x018d;
+  t.denominatorminusonenumeratorbengali = 0x09f8;
+  t.dezh = 0x02a4;
+  t.dhabengali = 0x09a7;
+  t.dhadeva = 0x0927;
+  t.dhagujarati = 0x0aa7;
+  t.dhagurmukhi = 0x0a27;
+  t.dhook = 0x0257;
+  t.dialytikatonos = 0x0385;
+  t.dialytikatonoscmb = 0x0344;
+  t.diamond = 0x2666;
+  t.diamondsuitwhite = 0x2662;
+  t.dieresis = 0x00a8;
+  t.dieresisacute = 0xf6d7;
+  t.dieresisbelowcmb = 0x0324;
+  t.dieresiscmb = 0x0308;
+  t.dieresisgrave = 0xf6d8;
+  t.dieresistonos = 0x0385;
+  t.dihiragana = 0x3062;
+  t.dikatakana = 0x30c2;
+  t.dittomark = 0x3003;
+  t.divide = 0x00f7;
+  t.divides = 0x2223;
+  t.divisionslash = 0x2215;
+  t.djecyrillic = 0x0452;
+  t.dkshade = 0x2593;
+  t.dlinebelow = 0x1e0f;
+  t.dlsquare = 0x3397;
+  t.dmacron = 0x0111;
+  t.dmonospace = 0xff44;
+  t.dnblock = 0x2584;
+  t.dochadathai = 0x0e0e;
+  t.dodekthai = 0x0e14;
+  t.dohiragana = 0x3069;
+  t.dokatakana = 0x30c9;
+  t.dollar = 0x0024;
+  t.dollarinferior = 0xf6e3;
+  t.dollarmonospace = 0xff04;
+  t.dollaroldstyle = 0xf724;
+  t.dollarsmall = 0xfe69;
+  t.dollarsuperior = 0xf6e4;
+  t.dong = 0x20ab;
+  t.dorusquare = 0x3326;
+  t.dotaccent = 0x02d9;
+  t.dotaccentcmb = 0x0307;
+  t.dotbelowcmb = 0x0323;
+  t.dotbelowcomb = 0x0323;
+  t.dotkatakana = 0x30fb;
+  t.dotlessi = 0x0131;
+  t.dotlessj = 0xf6be;
+  t.dotlessjstrokehook = 0x0284;
+  t.dotmath = 0x22c5;
+  t.dottedcircle = 0x25cc;
+  t.doubleyodpatah = 0xfb1f;
+  t.doubleyodpatahhebrew = 0xfb1f;
+  t.downtackbelowcmb = 0x031e;
+  t.downtackmod = 0x02d5;
+  t.dparen = 0x249f;
+  t.dsuperior = 0xf6eb;
+  t.dtail = 0x0256;
+  t.dtopbar = 0x018c;
+  t.duhiragana = 0x3065;
+  t.dukatakana = 0x30c5;
+  t.dz = 0x01f3;
+  t.dzaltone = 0x02a3;
+  t.dzcaron = 0x01c6;
+  t.dzcurl = 0x02a5;
+  t.dzeabkhasiancyrillic = 0x04e1;
+  t.dzecyrillic = 0x0455;
+  t.dzhecyrillic = 0x045f;
+  t.e = 0x0065;
+  t.eacute = 0x00e9;
+  t.earth = 0x2641;
+  t.ebengali = 0x098f;
+  t.ebopomofo = 0x311c;
+  t.ebreve = 0x0115;
+  t.ecandradeva = 0x090d;
+  t.ecandragujarati = 0x0a8d;
+  t.ecandravowelsigndeva = 0x0945;
+  t.ecandravowelsigngujarati = 0x0ac5;
+  t.ecaron = 0x011b;
+  t.ecedillabreve = 0x1e1d;
+  t.echarmenian = 0x0565;
+  t.echyiwnarmenian = 0x0587;
+  t.ecircle = 0x24d4;
+  t.ecircumflex = 0x00ea;
+  t.ecircumflexacute = 0x1ebf;
+  t.ecircumflexbelow = 0x1e19;
+  t.ecircumflexdotbelow = 0x1ec7;
+  t.ecircumflexgrave = 0x1ec1;
+  t.ecircumflexhookabove = 0x1ec3;
+  t.ecircumflextilde = 0x1ec5;
+  t.ecyrillic = 0x0454;
+  t.edblgrave = 0x0205;
+  t.edeva = 0x090f;
+  t.edieresis = 0x00eb;
+  t.edot = 0x0117;
+  t.edotaccent = 0x0117;
+  t.edotbelow = 0x1eb9;
+  t.eegurmukhi = 0x0a0f;
+  t.eematragurmukhi = 0x0a47;
+  t.efcyrillic = 0x0444;
+  t.egrave = 0x00e8;
+  t.egujarati = 0x0a8f;
+  t.eharmenian = 0x0567;
+  t.ehbopomofo = 0x311d;
+  t.ehiragana = 0x3048;
+  t.ehookabove = 0x1ebb;
+  t.eibopomofo = 0x311f;
+  t.eight = 0x0038;
+  t.eightarabic = 0x0668;
+  t.eightbengali = 0x09ee;
+  t.eightcircle = 0x2467;
+  t.eightcircleinversesansserif = 0x2791;
+  t.eightdeva = 0x096e;
+  t.eighteencircle = 0x2471;
+  t.eighteenparen = 0x2485;
+  t.eighteenperiod = 0x2499;
+  t.eightgujarati = 0x0aee;
+  t.eightgurmukhi = 0x0a6e;
+  t.eighthackarabic = 0x0668;
+  t.eighthangzhou = 0x3028;
+  t.eighthnotebeamed = 0x266b;
+  t.eightideographicparen = 0x3227;
+  t.eightinferior = 0x2088;
+  t.eightmonospace = 0xff18;
+  t.eightoldstyle = 0xf738;
+  t.eightparen = 0x247b;
+  t.eightperiod = 0x248f;
+  t.eightpersian = 0x06f8;
+  t.eightroman = 0x2177;
+  t.eightsuperior = 0x2078;
+  t.eightthai = 0x0e58;
+  t.einvertedbreve = 0x0207;
+  t.eiotifiedcyrillic = 0x0465;
+  t.ekatakana = 0x30a8;
+  t.ekatakanahalfwidth = 0xff74;
+  t.ekonkargurmukhi = 0x0a74;
+  t.ekorean = 0x3154;
+  t.elcyrillic = 0x043b;
+  t.element = 0x2208;
+  t.elevencircle = 0x246a;
+  t.elevenparen = 0x247e;
+  t.elevenperiod = 0x2492;
+  t.elevenroman = 0x217a;
+  t.ellipsis = 0x2026;
+  t.ellipsisvertical = 0x22ee;
+  t.emacron = 0x0113;
+  t.emacronacute = 0x1e17;
+  t.emacrongrave = 0x1e15;
+  t.emcyrillic = 0x043c;
+  t.emdash = 0x2014;
+  t.emdashvertical = 0xfe31;
+  t.emonospace = 0xff45;
+  t.emphasismarkarmenian = 0x055b;
+  t.emptyset = 0x2205;
+  t.enbopomofo = 0x3123;
+  t.encyrillic = 0x043d;
+  t.endash = 0x2013;
+  t.endashvertical = 0xfe32;
+  t.endescendercyrillic = 0x04a3;
+  t.eng = 0x014b;
+  t.engbopomofo = 0x3125;
+  t.enghecyrillic = 0x04a5;
+  t.enhookcyrillic = 0x04c8;
+  t.enspace = 0x2002;
+  t.eogonek = 0x0119;
+  t.eokorean = 0x3153;
+  t.eopen = 0x025b;
+  t.eopenclosed = 0x029a;
+  t.eopenreversed = 0x025c;
+  t.eopenreversedclosed = 0x025e;
+  t.eopenreversedhook = 0x025d;
+  t.eparen = 0x24a0;
+  t.epsilon = 0x03b5;
+  t.epsilontonos = 0x03ad;
+  t.equal = 0x003d;
+  t.equalmonospace = 0xff1d;
+  t.equalsmall = 0xfe66;
+  t.equalsuperior = 0x207c;
+  t.equivalence = 0x2261;
+  t.erbopomofo = 0x3126;
+  t.ercyrillic = 0x0440;
+  t.ereversed = 0x0258;
+  t.ereversedcyrillic = 0x044d;
+  t.escyrillic = 0x0441;
+  t.esdescendercyrillic = 0x04ab;
+  t.esh = 0x0283;
+  t.eshcurl = 0x0286;
+  t.eshortdeva = 0x090e;
+  t.eshortvowelsigndeva = 0x0946;
+  t.eshreversedloop = 0x01aa;
+  t.eshsquatreversed = 0x0285;
+  t.esmallhiragana = 0x3047;
+  t.esmallkatakana = 0x30a7;
+  t.esmallkatakanahalfwidth = 0xff6a;
+  t.estimated = 0x212e;
+  t.esuperior = 0xf6ec;
+  t.eta = 0x03b7;
+  t.etarmenian = 0x0568;
+  t.etatonos = 0x03ae;
+  t.eth = 0x00f0;
+  t.etilde = 0x1ebd;
+  t.etildebelow = 0x1e1b;
+  t.etnahtafoukhhebrew = 0x0591;
+  t.etnahtafoukhlefthebrew = 0x0591;
+  t.etnahtahebrew = 0x0591;
+  t.etnahtalefthebrew = 0x0591;
+  t.eturned = 0x01dd;
+  t.eukorean = 0x3161;
+  t.euro = 0x20ac;
+  t.evowelsignbengali = 0x09c7;
+  t.evowelsigndeva = 0x0947;
+  t.evowelsigngujarati = 0x0ac7;
+  t.exclam = 0x0021;
+  t.exclamarmenian = 0x055c;
+  t.exclamdbl = 0x203c;
+  t.exclamdown = 0x00a1;
+  t.exclamdownsmall = 0xf7a1;
+  t.exclammonospace = 0xff01;
+  t.exclamsmall = 0xf721;
+  t.existential = 0x2203;
+  t.ezh = 0x0292;
+  t.ezhcaron = 0x01ef;
+  t.ezhcurl = 0x0293;
+  t.ezhreversed = 0x01b9;
+  t.ezhtail = 0x01ba;
+  t.f = 0x0066;
+  t.fadeva = 0x095e;
+  t.fagurmukhi = 0x0a5e;
+  t.fahrenheit = 0x2109;
+  t.fathaarabic = 0x064e;
+  t.fathalowarabic = 0x064e;
+  t.fathatanarabic = 0x064b;
+  t.fbopomofo = 0x3108;
+  t.fcircle = 0x24d5;
+  t.fdotaccent = 0x1e1f;
+  t.feharabic = 0x0641;
+  t.feharmenian = 0x0586;
+  t.fehfinalarabic = 0xfed2;
+  t.fehinitialarabic = 0xfed3;
+  t.fehmedialarabic = 0xfed4;
+  t.feicoptic = 0x03e5;
+  t.female = 0x2640;
+  t.ff = 0xfb00;
+  t.f_f = 0xfb00;
+  t.ffi = 0xfb03;
+  t.ffl = 0xfb04;
+  t.fi = 0xfb01;
+  t.fifteencircle = 0x246e;
+  t.fifteenparen = 0x2482;
+  t.fifteenperiod = 0x2496;
+  t.figuredash = 0x2012;
+  t.filledbox = 0x25a0;
+  t.filledrect = 0x25ac;
+  t.finalkaf = 0x05da;
+  t.finalkafdagesh = 0xfb3a;
+  t.finalkafdageshhebrew = 0xfb3a;
+  t.finalkafhebrew = 0x05da;
+  t.finalmem = 0x05dd;
+  t.finalmemhebrew = 0x05dd;
+  t.finalnun = 0x05df;
+  t.finalnunhebrew = 0x05df;
+  t.finalpe = 0x05e3;
+  t.finalpehebrew = 0x05e3;
+  t.finaltsadi = 0x05e5;
+  t.finaltsadihebrew = 0x05e5;
+  t.firsttonechinese = 0x02c9;
+  t.fisheye = 0x25c9;
+  t.fitacyrillic = 0x0473;
+  t.five = 0x0035;
+  t.fivearabic = 0x0665;
+  t.fivebengali = 0x09eb;
+  t.fivecircle = 0x2464;
+  t.fivecircleinversesansserif = 0x278e;
+  t.fivedeva = 0x096b;
+  t.fiveeighths = 0x215d;
+  t.fivegujarati = 0x0aeb;
+  t.fivegurmukhi = 0x0a6b;
+  t.fivehackarabic = 0x0665;
+  t.fivehangzhou = 0x3025;
+  t.fiveideographicparen = 0x3224;
+  t.fiveinferior = 0x2085;
+  t.fivemonospace = 0xff15;
+  t.fiveoldstyle = 0xf735;
+  t.fiveparen = 0x2478;
+  t.fiveperiod = 0x248c;
+  t.fivepersian = 0x06f5;
+  t.fiveroman = 0x2174;
+  t.fivesuperior = 0x2075;
+  t.fivethai = 0x0e55;
+  t.fl = 0xfb02;
+  t.florin = 0x0192;
+  t.fmonospace = 0xff46;
+  t.fmsquare = 0x3399;
+  t.fofanthai = 0x0e1f;
+  t.fofathai = 0x0e1d;
+  t.fongmanthai = 0x0e4f;
+  t.forall = 0x2200;
+  t.four = 0x0034;
+  t.fourarabic = 0x0664;
+  t.fourbengali = 0x09ea;
+  t.fourcircle = 0x2463;
+  t.fourcircleinversesansserif = 0x278d;
+  t.fourdeva = 0x096a;
+  t.fourgujarati = 0x0aea;
+  t.fourgurmukhi = 0x0a6a;
+  t.fourhackarabic = 0x0664;
+  t.fourhangzhou = 0x3024;
+  t.fourideographicparen = 0x3223;
+  t.fourinferior = 0x2084;
+  t.fourmonospace = 0xff14;
+  t.fournumeratorbengali = 0x09f7;
+  t.fouroldstyle = 0xf734;
+  t.fourparen = 0x2477;
+  t.fourperiod = 0x248b;
+  t.fourpersian = 0x06f4;
+  t.fourroman = 0x2173;
+  t.foursuperior = 0x2074;
+  t.fourteencircle = 0x246d;
+  t.fourteenparen = 0x2481;
+  t.fourteenperiod = 0x2495;
+  t.fourthai = 0x0e54;
+  t.fourthtonechinese = 0x02cb;
+  t.fparen = 0x24a1;
+  t.fraction = 0x2044;
+  t.franc = 0x20a3;
+  t.g = 0x0067;
+  t.gabengali = 0x0997;
+  t.gacute = 0x01f5;
+  t.gadeva = 0x0917;
+  t.gafarabic = 0x06af;
+  t.gaffinalarabic = 0xfb93;
+  t.gafinitialarabic = 0xfb94;
+  t.gafmedialarabic = 0xfb95;
+  t.gagujarati = 0x0a97;
+  t.gagurmukhi = 0x0a17;
+  t.gahiragana = 0x304c;
+  t.gakatakana = 0x30ac;
+  t.gamma = 0x03b3;
+  t.gammalatinsmall = 0x0263;
+  t.gammasuperior = 0x02e0;
+  t.gangiacoptic = 0x03eb;
+  t.gbopomofo = 0x310d;
+  t.gbreve = 0x011f;
+  t.gcaron = 0x01e7;
+  t.gcedilla = 0x0123;
+  t.gcircle = 0x24d6;
+  t.gcircumflex = 0x011d;
+  t.gcommaaccent = 0x0123;
+  t.gdot = 0x0121;
+  t.gdotaccent = 0x0121;
+  t.gecyrillic = 0x0433;
+  t.gehiragana = 0x3052;
+  t.gekatakana = 0x30b2;
+  t.geometricallyequal = 0x2251;
+  t.gereshaccenthebrew = 0x059c;
+  t.gereshhebrew = 0x05f3;
+  t.gereshmuqdamhebrew = 0x059d;
+  t.germandbls = 0x00df;
+  t.gershayimaccenthebrew = 0x059e;
+  t.gershayimhebrew = 0x05f4;
+  t.getamark = 0x3013;
+  t.ghabengali = 0x0998;
+  t.ghadarmenian = 0x0572;
+  t.ghadeva = 0x0918;
+  t.ghagujarati = 0x0a98;
+  t.ghagurmukhi = 0x0a18;
+  t.ghainarabic = 0x063a;
+  t.ghainfinalarabic = 0xfece;
+  t.ghaininitialarabic = 0xfecf;
+  t.ghainmedialarabic = 0xfed0;
+  t.ghemiddlehookcyrillic = 0x0495;
+  t.ghestrokecyrillic = 0x0493;
+  t.gheupturncyrillic = 0x0491;
+  t.ghhadeva = 0x095a;
+  t.ghhagurmukhi = 0x0a5a;
+  t.ghook = 0x0260;
+  t.ghzsquare = 0x3393;
+  t.gihiragana = 0x304e;
+  t.gikatakana = 0x30ae;
+  t.gimarmenian = 0x0563;
+  t.gimel = 0x05d2;
+  t.gimeldagesh = 0xfb32;
+  t.gimeldageshhebrew = 0xfb32;
+  t.gimelhebrew = 0x05d2;
+  t.gjecyrillic = 0x0453;
+  t.glottalinvertedstroke = 0x01be;
+  t.glottalstop = 0x0294;
+  t.glottalstopinverted = 0x0296;
+  t.glottalstopmod = 0x02c0;
+  t.glottalstopreversed = 0x0295;
+  t.glottalstopreversedmod = 0x02c1;
+  t.glottalstopreversedsuperior = 0x02e4;
+  t.glottalstopstroke = 0x02a1;
+  t.glottalstopstrokereversed = 0x02a2;
+  t.gmacron = 0x1e21;
+  t.gmonospace = 0xff47;
+  t.gohiragana = 0x3054;
+  t.gokatakana = 0x30b4;
+  t.gparen = 0x24a2;
+  t.gpasquare = 0x33ac;
+  t.gradient = 0x2207;
+  t.grave = 0x0060;
+  t.gravebelowcmb = 0x0316;
+  t.gravecmb = 0x0300;
+  t.gravecomb = 0x0300;
+  t.gravedeva = 0x0953;
+  t.gravelowmod = 0x02ce;
+  t.gravemonospace = 0xff40;
+  t.gravetonecmb = 0x0340;
+  t.greater = 0x003e;
+  t.greaterequal = 0x2265;
+  t.greaterequalorless = 0x22db;
+  t.greatermonospace = 0xff1e;
+  t.greaterorequivalent = 0x2273;
+  t.greaterorless = 0x2277;
+  t.greateroverequal = 0x2267;
+  t.greatersmall = 0xfe65;
+  t.gscript = 0x0261;
+  t.gstroke = 0x01e5;
+  t.guhiragana = 0x3050;
+  t.guillemotleft = 0x00ab;
+  t.guillemotright = 0x00bb;
+  t.guilsinglleft = 0x2039;
+  t.guilsinglright = 0x203a;
+  t.gukatakana = 0x30b0;
+  t.guramusquare = 0x3318;
+  t.gysquare = 0x33c9;
+  t.h = 0x0068;
+  t.haabkhasiancyrillic = 0x04a9;
+  t.haaltonearabic = 0x06c1;
+  t.habengali = 0x09b9;
+  t.hadescendercyrillic = 0x04b3;
+  t.hadeva = 0x0939;
+  t.hagujarati = 0x0ab9;
+  t.hagurmukhi = 0x0a39;
+  t.haharabic = 0x062d;
+  t.hahfinalarabic = 0xfea2;
+  t.hahinitialarabic = 0xfea3;
+  t.hahiragana = 0x306f;
+  t.hahmedialarabic = 0xfea4;
+  t.haitusquare = 0x332a;
+  t.hakatakana = 0x30cf;
+  t.hakatakanahalfwidth = 0xff8a;
+  t.halantgurmukhi = 0x0a4d;
+  t.hamzaarabic = 0x0621;
+  t.hamzalowarabic = 0x0621;
+  t.hangulfiller = 0x3164;
+  t.hardsigncyrillic = 0x044a;
+  t.harpoonleftbarbup = 0x21bc;
+  t.harpoonrightbarbup = 0x21c0;
+  t.hasquare = 0x33ca;
+  t.hatafpatah = 0x05b2;
+  t.hatafpatah16 = 0x05b2;
+  t.hatafpatah23 = 0x05b2;
+  t.hatafpatah2f = 0x05b2;
+  t.hatafpatahhebrew = 0x05b2;
+  t.hatafpatahnarrowhebrew = 0x05b2;
+  t.hatafpatahquarterhebrew = 0x05b2;
+  t.hatafpatahwidehebrew = 0x05b2;
+  t.hatafqamats = 0x05b3;
+  t.hatafqamats1b = 0x05b3;
+  t.hatafqamats28 = 0x05b3;
+  t.hatafqamats34 = 0x05b3;
+  t.hatafqamatshebrew = 0x05b3;
+  t.hatafqamatsnarrowhebrew = 0x05b3;
+  t.hatafqamatsquarterhebrew = 0x05b3;
+  t.hatafqamatswidehebrew = 0x05b3;
+  t.hatafsegol = 0x05b1;
+  t.hatafsegol17 = 0x05b1;
+  t.hatafsegol24 = 0x05b1;
+  t.hatafsegol30 = 0x05b1;
+  t.hatafsegolhebrew = 0x05b1;
+  t.hatafsegolnarrowhebrew = 0x05b1;
+  t.hatafsegolquarterhebrew = 0x05b1;
+  t.hatafsegolwidehebrew = 0x05b1;
+  t.hbar = 0x0127;
+  t.hbopomofo = 0x310f;
+  t.hbrevebelow = 0x1e2b;
+  t.hcedilla = 0x1e29;
+  t.hcircle = 0x24d7;
+  t.hcircumflex = 0x0125;
+  t.hdieresis = 0x1e27;
+  t.hdotaccent = 0x1e23;
+  t.hdotbelow = 0x1e25;
+  t.he = 0x05d4;
+  t.heart = 0x2665;
+  t.heartsuitblack = 0x2665;
+  t.heartsuitwhite = 0x2661;
+  t.hedagesh = 0xfb34;
+  t.hedageshhebrew = 0xfb34;
+  t.hehaltonearabic = 0x06c1;
+  t.heharabic = 0x0647;
+  t.hehebrew = 0x05d4;
+  t.hehfinalaltonearabic = 0xfba7;
+  t.hehfinalalttwoarabic = 0xfeea;
+  t.hehfinalarabic = 0xfeea;
+  t.hehhamzaabovefinalarabic = 0xfba5;
+  t.hehhamzaaboveisolatedarabic = 0xfba4;
+  t.hehinitialaltonearabic = 0xfba8;
+  t.hehinitialarabic = 0xfeeb;
+  t.hehiragana = 0x3078;
+  t.hehmedialaltonearabic = 0xfba9;
+  t.hehmedialarabic = 0xfeec;
+  t.heiseierasquare = 0x337b;
+  t.hekatakana = 0x30d8;
+  t.hekatakanahalfwidth = 0xff8d;
+  t.hekutaarusquare = 0x3336;
+  t.henghook = 0x0267;
+  t.herutusquare = 0x3339;
+  t.het = 0x05d7;
+  t.hethebrew = 0x05d7;
+  t.hhook = 0x0266;
+  t.hhooksuperior = 0x02b1;
+  t.hieuhacirclekorean = 0x327b;
+  t.hieuhaparenkorean = 0x321b;
+  t.hieuhcirclekorean = 0x326d;
+  t.hieuhkorean = 0x314e;
+  t.hieuhparenkorean = 0x320d;
+  t.hihiragana = 0x3072;
+  t.hikatakana = 0x30d2;
+  t.hikatakanahalfwidth = 0xff8b;
+  t.hiriq = 0x05b4;
+  t.hiriq14 = 0x05b4;
+  t.hiriq21 = 0x05b4;
+  t.hiriq2d = 0x05b4;
+  t.hiriqhebrew = 0x05b4;
+  t.hiriqnarrowhebrew = 0x05b4;
+  t.hiriqquarterhebrew = 0x05b4;
+  t.hiriqwidehebrew = 0x05b4;
+  t.hlinebelow = 0x1e96;
+  t.hmonospace = 0xff48;
+  t.hoarmenian = 0x0570;
+  t.hohipthai = 0x0e2b;
+  t.hohiragana = 0x307b;
+  t.hokatakana = 0x30db;
+  t.hokatakanahalfwidth = 0xff8e;
+  t.holam = 0x05b9;
+  t.holam19 = 0x05b9;
+  t.holam26 = 0x05b9;
+  t.holam32 = 0x05b9;
+  t.holamhebrew = 0x05b9;
+  t.holamnarrowhebrew = 0x05b9;
+  t.holamquarterhebrew = 0x05b9;
+  t.holamwidehebrew = 0x05b9;
+  t.honokhukthai = 0x0e2e;
+  t.hookabovecomb = 0x0309;
+  t.hookcmb = 0x0309;
+  t.hookpalatalizedbelowcmb = 0x0321;
+  t.hookretroflexbelowcmb = 0x0322;
+  t.hoonsquare = 0x3342;
+  t.horicoptic = 0x03e9;
+  t.horizontalbar = 0x2015;
+  t.horncmb = 0x031b;
+  t.hotsprings = 0x2668;
+  t.house = 0x2302;
+  t.hparen = 0x24a3;
+  t.hsuperior = 0x02b0;
+  t.hturned = 0x0265;
+  t.huhiragana = 0x3075;
+  t.huiitosquare = 0x3333;
+  t.hukatakana = 0x30d5;
+  t.hukatakanahalfwidth = 0xff8c;
+  t.hungarumlaut = 0x02dd;
+  t.hungarumlautcmb = 0x030b;
+  t.hv = 0x0195;
+  t.hyphen = 0x002d;
+  t.hypheninferior = 0xf6e5;
+  t.hyphenmonospace = 0xff0d;
+  t.hyphensmall = 0xfe63;
+  t.hyphensuperior = 0xf6e6;
+  t.hyphentwo = 0x2010;
+  t.i = 0x0069;
+  t.iacute = 0x00ed;
+  t.iacyrillic = 0x044f;
+  t.ibengali = 0x0987;
+  t.ibopomofo = 0x3127;
+  t.ibreve = 0x012d;
+  t.icaron = 0x01d0;
+  t.icircle = 0x24d8;
+  t.icircumflex = 0x00ee;
+  t.icyrillic = 0x0456;
+  t.idblgrave = 0x0209;
+  t.ideographearthcircle = 0x328f;
+  t.ideographfirecircle = 0x328b;
+  t.ideographicallianceparen = 0x323f;
+  t.ideographiccallparen = 0x323a;
+  t.ideographiccentrecircle = 0x32a5;
+  t.ideographicclose = 0x3006;
+  t.ideographiccomma = 0x3001;
+  t.ideographiccommaleft = 0xff64;
+  t.ideographiccongratulationparen = 0x3237;
+  t.ideographiccorrectcircle = 0x32a3;
+  t.ideographicearthparen = 0x322f;
+  t.ideographicenterpriseparen = 0x323d;
+  t.ideographicexcellentcircle = 0x329d;
+  t.ideographicfestivalparen = 0x3240;
+  t.ideographicfinancialcircle = 0x3296;
+  t.ideographicfinancialparen = 0x3236;
+  t.ideographicfireparen = 0x322b;
+  t.ideographichaveparen = 0x3232;
+  t.ideographichighcircle = 0x32a4;
+  t.ideographiciterationmark = 0x3005;
+  t.ideographiclaborcircle = 0x3298;
+  t.ideographiclaborparen = 0x3238;
+  t.ideographicleftcircle = 0x32a7;
+  t.ideographiclowcircle = 0x32a6;
+  t.ideographicmedicinecircle = 0x32a9;
+  t.ideographicmetalparen = 0x322e;
+  t.ideographicmoonparen = 0x322a;
+  t.ideographicnameparen = 0x3234;
+  t.ideographicperiod = 0x3002;
+  t.ideographicprintcircle = 0x329e;
+  t.ideographicreachparen = 0x3243;
+  t.ideographicrepresentparen = 0x3239;
+  t.ideographicresourceparen = 0x323e;
+  t.ideographicrightcircle = 0x32a8;
+  t.ideographicsecretcircle = 0x3299;
+  t.ideographicselfparen = 0x3242;
+  t.ideographicsocietyparen = 0x3233;
+  t.ideographicspace = 0x3000;
+  t.ideographicspecialparen = 0x3235;
+  t.ideographicstockparen = 0x3231;
+  t.ideographicstudyparen = 0x323b;
+  t.ideographicsunparen = 0x3230;
+  t.ideographicsuperviseparen = 0x323c;
+  t.ideographicwaterparen = 0x322c;
+  t.ideographicwoodparen = 0x322d;
+  t.ideographiczero = 0x3007;
+  t.ideographmetalcircle = 0x328e;
+  t.ideographmooncircle = 0x328a;
+  t.ideographnamecircle = 0x3294;
+  t.ideographsuncircle = 0x3290;
+  t.ideographwatercircle = 0x328c;
+  t.ideographwoodcircle = 0x328d;
+  t.ideva = 0x0907;
+  t.idieresis = 0x00ef;
+  t.idieresisacute = 0x1e2f;
+  t.idieresiscyrillic = 0x04e5;
+  t.idotbelow = 0x1ecb;
+  t.iebrevecyrillic = 0x04d7;
+  t.iecyrillic = 0x0435;
+  t.ieungacirclekorean = 0x3275;
+  t.ieungaparenkorean = 0x3215;
+  t.ieungcirclekorean = 0x3267;
+  t.ieungkorean = 0x3147;
+  t.ieungparenkorean = 0x3207;
+  t.igrave = 0x00ec;
+  t.igujarati = 0x0a87;
+  t.igurmukhi = 0x0a07;
+  t.ihiragana = 0x3044;
+  t.ihookabove = 0x1ec9;
+  t.iibengali = 0x0988;
+  t.iicyrillic = 0x0438;
+  t.iideva = 0x0908;
+  t.iigujarati = 0x0a88;
+  t.iigurmukhi = 0x0a08;
+  t.iimatragurmukhi = 0x0a40;
+  t.iinvertedbreve = 0x020b;
+  t.iishortcyrillic = 0x0439;
+  t.iivowelsignbengali = 0x09c0;
+  t.iivowelsigndeva = 0x0940;
+  t.iivowelsigngujarati = 0x0ac0;
+  t.ij = 0x0133;
+  t.ikatakana = 0x30a4;
+  t.ikatakanahalfwidth = 0xff72;
+  t.ikorean = 0x3163;
+  t.ilde = 0x02dc;
+  t.iluyhebrew = 0x05ac;
+  t.imacron = 0x012b;
+  t.imacroncyrillic = 0x04e3;
+  t.imageorapproximatelyequal = 0x2253;
+  t.imatragurmukhi = 0x0a3f;
+  t.imonospace = 0xff49;
+  t.increment = 0x2206;
+  t.infinity = 0x221e;
+  t.iniarmenian = 0x056b;
+  t.integral = 0x222b;
+  t.integralbottom = 0x2321;
+  t.integralbt = 0x2321;
+  t.integralex = 0xf8f5;
+  t.integraltop = 0x2320;
+  t.integraltp = 0x2320;
+  t.intersection = 0x2229;
+  t.intisquare = 0x3305;
+  t.invbullet = 0x25d8;
+  t.invcircle = 0x25d9;
+  t.invsmileface = 0x263b;
+  t.iocyrillic = 0x0451;
+  t.iogonek = 0x012f;
+  t.iota = 0x03b9;
+  t.iotadieresis = 0x03ca;
+  t.iotadieresistonos = 0x0390;
+  t.iotalatin = 0x0269;
+  t.iotatonos = 0x03af;
+  t.iparen = 0x24a4;
+  t.irigurmukhi = 0x0a72;
+  t.ismallhiragana = 0x3043;
+  t.ismallkatakana = 0x30a3;
+  t.ismallkatakanahalfwidth = 0xff68;
+  t.issharbengali = 0x09fa;
+  t.istroke = 0x0268;
+  t.isuperior = 0xf6ed;
+  t.iterationhiragana = 0x309d;
+  t.iterationkatakana = 0x30fd;
+  t.itilde = 0x0129;
+  t.itildebelow = 0x1e2d;
+  t.iubopomofo = 0x3129;
+  t.iucyrillic = 0x044e;
+  t.ivowelsignbengali = 0x09bf;
+  t.ivowelsigndeva = 0x093f;
+  t.ivowelsigngujarati = 0x0abf;
+  t.izhitsacyrillic = 0x0475;
+  t.izhitsadblgravecyrillic = 0x0477;
+  t.j = 0x006a;
+  t.jaarmenian = 0x0571;
+  t.jabengali = 0x099c;
+  t.jadeva = 0x091c;
+  t.jagujarati = 0x0a9c;
+  t.jagurmukhi = 0x0a1c;
+  t.jbopomofo = 0x3110;
+  t.jcaron = 0x01f0;
+  t.jcircle = 0x24d9;
+  t.jcircumflex = 0x0135;
+  t.jcrossedtail = 0x029d;
+  t.jdotlessstroke = 0x025f;
+  t.jecyrillic = 0x0458;
+  t.jeemarabic = 0x062c;
+  t.jeemfinalarabic = 0xfe9e;
+  t.jeeminitialarabic = 0xfe9f;
+  t.jeemmedialarabic = 0xfea0;
+  t.jeharabic = 0x0698;
+  t.jehfinalarabic = 0xfb8b;
+  t.jhabengali = 0x099d;
+  t.jhadeva = 0x091d;
+  t.jhagujarati = 0x0a9d;
+  t.jhagurmukhi = 0x0a1d;
+  t.jheharmenian = 0x057b;
+  t.jis = 0x3004;
+  t.jmonospace = 0xff4a;
+  t.jparen = 0x24a5;
+  t.jsuperior = 0x02b2;
+  t.k = 0x006b;
+  t.kabashkircyrillic = 0x04a1;
+  t.kabengali = 0x0995;
+  t.kacute = 0x1e31;
+  t.kacyrillic = 0x043a;
+  t.kadescendercyrillic = 0x049b;
+  t.kadeva = 0x0915;
+  t.kaf = 0x05db;
+  t.kafarabic = 0x0643;
+  t.kafdagesh = 0xfb3b;
+  t.kafdageshhebrew = 0xfb3b;
+  t.kaffinalarabic = 0xfeda;
+  t.kafhebrew = 0x05db;
+  t.kafinitialarabic = 0xfedb;
+  t.kafmedialarabic = 0xfedc;
+  t.kafrafehebrew = 0xfb4d;
+  t.kagujarati = 0x0a95;
+  t.kagurmukhi = 0x0a15;
+  t.kahiragana = 0x304b;
+  t.kahookcyrillic = 0x04c4;
+  t.kakatakana = 0x30ab;
+  t.kakatakanahalfwidth = 0xff76;
+  t.kappa = 0x03ba;
+  t.kappasymbolgreek = 0x03f0;
+  t.kapyeounmieumkorean = 0x3171;
+  t.kapyeounphieuphkorean = 0x3184;
+  t.kapyeounpieupkorean = 0x3178;
+  t.kapyeounssangpieupkorean = 0x3179;
+  t.karoriisquare = 0x330d;
+  t.kashidaautoarabic = 0x0640;
+  t.kashidaautonosidebearingarabic = 0x0640;
+  t.kasmallkatakana = 0x30f5;
+  t.kasquare = 0x3384;
+  t.kasraarabic = 0x0650;
+  t.kasratanarabic = 0x064d;
+  t.kastrokecyrillic = 0x049f;
+  t.katahiraprolongmarkhalfwidth = 0xff70;
+  t.kaverticalstrokecyrillic = 0x049d;
+  t.kbopomofo = 0x310e;
+  t.kcalsquare = 0x3389;
+  t.kcaron = 0x01e9;
+  t.kcedilla = 0x0137;
+  t.kcircle = 0x24da;
+  t.kcommaaccent = 0x0137;
+  t.kdotbelow = 0x1e33;
+  t.keharmenian = 0x0584;
+  t.kehiragana = 0x3051;
+  t.kekatakana = 0x30b1;
+  t.kekatakanahalfwidth = 0xff79;
+  t.kenarmenian = 0x056f;
+  t.kesmallkatakana = 0x30f6;
+  t.kgreenlandic = 0x0138;
+  t.khabengali = 0x0996;
+  t.khacyrillic = 0x0445;
+  t.khadeva = 0x0916;
+  t.khagujarati = 0x0a96;
+  t.khagurmukhi = 0x0a16;
+  t.khaharabic = 0x062e;
+  t.khahfinalarabic = 0xfea6;
+  t.khahinitialarabic = 0xfea7;
+  t.khahmedialarabic = 0xfea8;
+  t.kheicoptic = 0x03e7;
+  t.khhadeva = 0x0959;
+  t.khhagurmukhi = 0x0a59;
+  t.khieukhacirclekorean = 0x3278;
+  t.khieukhaparenkorean = 0x3218;
+  t.khieukhcirclekorean = 0x326a;
+  t.khieukhkorean = 0x314b;
+  t.khieukhparenkorean = 0x320a;
+  t.khokhaithai = 0x0e02;
+  t.khokhonthai = 0x0e05;
+  t.khokhuatthai = 0x0e03;
+  t.khokhwaithai = 0x0e04;
+  t.khomutthai = 0x0e5b;
+  t.khook = 0x0199;
+  t.khorakhangthai = 0x0e06;
+  t.khzsquare = 0x3391;
+  t.kihiragana = 0x304d;
+  t.kikatakana = 0x30ad;
+  t.kikatakanahalfwidth = 0xff77;
+  t.kiroguramusquare = 0x3315;
+  t.kiromeetorusquare = 0x3316;
+  t.kirosquare = 0x3314;
+  t.kiyeokacirclekorean = 0x326e;
+  t.kiyeokaparenkorean = 0x320e;
+  t.kiyeokcirclekorean = 0x3260;
+  t.kiyeokkorean = 0x3131;
+  t.kiyeokparenkorean = 0x3200;
+  t.kiyeoksioskorean = 0x3133;
+  t.kjecyrillic = 0x045c;
+  t.klinebelow = 0x1e35;
+  t.klsquare = 0x3398;
+  t.kmcubedsquare = 0x33a6;
+  t.kmonospace = 0xff4b;
+  t.kmsquaredsquare = 0x33a2;
+  t.kohiragana = 0x3053;
+  t.kohmsquare = 0x33c0;
+  t.kokaithai = 0x0e01;
+  t.kokatakana = 0x30b3;
+  t.kokatakanahalfwidth = 0xff7a;
+  t.kooposquare = 0x331e;
+  t.koppacyrillic = 0x0481;
+  t.koreanstandardsymbol = 0x327f;
+  t.koroniscmb = 0x0343;
+  t.kparen = 0x24a6;
+  t.kpasquare = 0x33aa;
+  t.ksicyrillic = 0x046f;
+  t.ktsquare = 0x33cf;
+  t.kturned = 0x029e;
+  t.kuhiragana = 0x304f;
+  t.kukatakana = 0x30af;
+  t.kukatakanahalfwidth = 0xff78;
+  t.kvsquare = 0x33b8;
+  t.kwsquare = 0x33be;
+  t.l = 0x006c;
+  t.labengali = 0x09b2;
+  t.lacute = 0x013a;
+  t.ladeva = 0x0932;
+  t.lagujarati = 0x0ab2;
+  t.lagurmukhi = 0x0a32;
+  t.lakkhangyaothai = 0x0e45;
+  t.lamaleffinalarabic = 0xfefc;
+  t.lamalefhamzaabovefinalarabic = 0xfef8;
+  t.lamalefhamzaaboveisolatedarabic = 0xfef7;
+  t.lamalefhamzabelowfinalarabic = 0xfefa;
+  t.lamalefhamzabelowisolatedarabic = 0xfef9;
+  t.lamalefisolatedarabic = 0xfefb;
+  t.lamalefmaddaabovefinalarabic = 0xfef6;
+  t.lamalefmaddaaboveisolatedarabic = 0xfef5;
+  t.lamarabic = 0x0644;
+  t.lambda = 0x03bb;
+  t.lambdastroke = 0x019b;
+  t.lamed = 0x05dc;
+  t.lameddagesh = 0xfb3c;
+  t.lameddageshhebrew = 0xfb3c;
+  t.lamedhebrew = 0x05dc;
+  t.lamfinalarabic = 0xfede;
+  t.lamhahinitialarabic = 0xfcca;
+  t.laminitialarabic = 0xfedf;
+  t.lamjeeminitialarabic = 0xfcc9;
+  t.lamkhahinitialarabic = 0xfccb;
+  t.lamlamhehisolatedarabic = 0xfdf2;
+  t.lammedialarabic = 0xfee0;
+  t.lammeemhahinitialarabic = 0xfd88;
+  t.lammeeminitialarabic = 0xfccc;
+  t.largecircle = 0x25ef;
+  t.lbar = 0x019a;
+  t.lbelt = 0x026c;
+  t.lbopomofo = 0x310c;
+  t.lcaron = 0x013e;
+  t.lcedilla = 0x013c;
+  t.lcircle = 0x24db;
+  t.lcircumflexbelow = 0x1e3d;
+  t.lcommaaccent = 0x013c;
+  t.ldot = 0x0140;
+  t.ldotaccent = 0x0140;
+  t.ldotbelow = 0x1e37;
+  t.ldotbelowmacron = 0x1e39;
+  t.leftangleabovecmb = 0x031a;
+  t.lefttackbelowcmb = 0x0318;
+  t.less = 0x003c;
+  t.lessequal = 0x2264;
+  t.lessequalorgreater = 0x22da;
+  t.lessmonospace = 0xff1c;
+  t.lessorequivalent = 0x2272;
+  t.lessorgreater = 0x2276;
+  t.lessoverequal = 0x2266;
+  t.lesssmall = 0xfe64;
+  t.lezh = 0x026e;
+  t.lfblock = 0x258c;
+  t.lhookretroflex = 0x026d;
+  t.lira = 0x20a4;
+  t.liwnarmenian = 0x056c;
+  t.lj = 0x01c9;
+  t.ljecyrillic = 0x0459;
+  t.ll = 0xf6c0;
+  t.lladeva = 0x0933;
+  t.llagujarati = 0x0ab3;
+  t.llinebelow = 0x1e3b;
+  t.llladeva = 0x0934;
+  t.llvocalicbengali = 0x09e1;
+  t.llvocalicdeva = 0x0961;
+  t.llvocalicvowelsignbengali = 0x09e3;
+  t.llvocalicvowelsigndeva = 0x0963;
+  t.lmiddletilde = 0x026b;
+  t.lmonospace = 0xff4c;
+  t.lmsquare = 0x33d0;
+  t.lochulathai = 0x0e2c;
+  t.logicaland = 0x2227;
+  t.logicalnot = 0x00ac;
+  t.logicalnotreversed = 0x2310;
+  t.logicalor = 0x2228;
+  t.lolingthai = 0x0e25;
+  t.longs = 0x017f;
+  t.lowlinecenterline = 0xfe4e;
+  t.lowlinecmb = 0x0332;
+  t.lowlinedashed = 0xfe4d;
+  t.lozenge = 0x25ca;
+  t.lparen = 0x24a7;
+  t.lslash = 0x0142;
+  t.lsquare = 0x2113;
+  t.lsuperior = 0xf6ee;
+  t.ltshade = 0x2591;
+  t.luthai = 0x0e26;
+  t.lvocalicbengali = 0x098c;
+  t.lvocalicdeva = 0x090c;
+  t.lvocalicvowelsignbengali = 0x09e2;
+  t.lvocalicvowelsigndeva = 0x0962;
+  t.lxsquare = 0x33d3;
+  t.m = 0x006d;
+  t.mabengali = 0x09ae;
+  t.macron = 0x00af;
+  t.macronbelowcmb = 0x0331;
+  t.macroncmb = 0x0304;
+  t.macronlowmod = 0x02cd;
+  t.macronmonospace = 0xffe3;
+  t.macute = 0x1e3f;
+  t.madeva = 0x092e;
+  t.magujarati = 0x0aae;
+  t.magurmukhi = 0x0a2e;
+  t.mahapakhhebrew = 0x05a4;
+  t.mahapakhlefthebrew = 0x05a4;
+  t.mahiragana = 0x307e;
+  t.maichattawalowleftthai = 0xf895;
+  t.maichattawalowrightthai = 0xf894;
+  t.maichattawathai = 0x0e4b;
+  t.maichattawaupperleftthai = 0xf893;
+  t.maieklowleftthai = 0xf88c;
+  t.maieklowrightthai = 0xf88b;
+  t.maiekthai = 0x0e48;
+  t.maiekupperleftthai = 0xf88a;
+  t.maihanakatleftthai = 0xf884;
+  t.maihanakatthai = 0x0e31;
+  t.maitaikhuleftthai = 0xf889;
+  t.maitaikhuthai = 0x0e47;
+  t.maitholowleftthai = 0xf88f;
+  t.maitholowrightthai = 0xf88e;
+  t.maithothai = 0x0e49;
+  t.maithoupperleftthai = 0xf88d;
+  t.maitrilowleftthai = 0xf892;
+  t.maitrilowrightthai = 0xf891;
+  t.maitrithai = 0x0e4a;
+  t.maitriupperleftthai = 0xf890;
+  t.maiyamokthai = 0x0e46;
+  t.makatakana = 0x30de;
+  t.makatakanahalfwidth = 0xff8f;
+  t.male = 0x2642;
+  t.mansyonsquare = 0x3347;
+  t.maqafhebrew = 0x05be;
+  t.mars = 0x2642;
+  t.masoracirclehebrew = 0x05af;
+  t.masquare = 0x3383;
+  t.mbopomofo = 0x3107;
+  t.mbsquare = 0x33d4;
+  t.mcircle = 0x24dc;
+  t.mcubedsquare = 0x33a5;
+  t.mdotaccent = 0x1e41;
+  t.mdotbelow = 0x1e43;
+  t.meemarabic = 0x0645;
+  t.meemfinalarabic = 0xfee2;
+  t.meeminitialarabic = 0xfee3;
+  t.meemmedialarabic = 0xfee4;
+  t.meemmeeminitialarabic = 0xfcd1;
+  t.meemmeemisolatedarabic = 0xfc48;
+  t.meetorusquare = 0x334d;
+  t.mehiragana = 0x3081;
+  t.meizierasquare = 0x337e;
+  t.mekatakana = 0x30e1;
+  t.mekatakanahalfwidth = 0xff92;
+  t.mem = 0x05de;
+  t.memdagesh = 0xfb3e;
+  t.memdageshhebrew = 0xfb3e;
+  t.memhebrew = 0x05de;
+  t.menarmenian = 0x0574;
+  t.merkhahebrew = 0x05a5;
+  t.merkhakefulahebrew = 0x05a6;
+  t.merkhakefulalefthebrew = 0x05a6;
+  t.merkhalefthebrew = 0x05a5;
+  t.mhook = 0x0271;
+  t.mhzsquare = 0x3392;
+  t.middledotkatakanahalfwidth = 0xff65;
+  t.middot = 0x00b7;
+  t.mieumacirclekorean = 0x3272;
+  t.mieumaparenkorean = 0x3212;
+  t.mieumcirclekorean = 0x3264;
+  t.mieumkorean = 0x3141;
+  t.mieumpansioskorean = 0x3170;
+  t.mieumparenkorean = 0x3204;
+  t.mieumpieupkorean = 0x316e;
+  t.mieumsioskorean = 0x316f;
+  t.mihiragana = 0x307f;
+  t.mikatakana = 0x30df;
+  t.mikatakanahalfwidth = 0xff90;
+  t.minus = 0x2212;
+  t.minusbelowcmb = 0x0320;
+  t.minuscircle = 0x2296;
+  t.minusmod = 0x02d7;
+  t.minusplus = 0x2213;
+  t.minute = 0x2032;
+  t.miribaarusquare = 0x334a;
+  t.mirisquare = 0x3349;
+  t.mlonglegturned = 0x0270;
+  t.mlsquare = 0x3396;
+  t.mmcubedsquare = 0x33a3;
+  t.mmonospace = 0xff4d;
+  t.mmsquaredsquare = 0x339f;
+  t.mohiragana = 0x3082;
+  t.mohmsquare = 0x33c1;
+  t.mokatakana = 0x30e2;
+  t.mokatakanahalfwidth = 0xff93;
+  t.molsquare = 0x33d6;
+  t.momathai = 0x0e21;
+  t.moverssquare = 0x33a7;
+  t.moverssquaredsquare = 0x33a8;
+  t.mparen = 0x24a8;
+  t.mpasquare = 0x33ab;
+  t.mssquare = 0x33b3;
+  t.msuperior = 0xf6ef;
+  t.mturned = 0x026f;
+  t.mu = 0x00b5;
+  t.mu1 = 0x00b5;
+  t.muasquare = 0x3382;
+  t.muchgreater = 0x226b;
+  t.muchless = 0x226a;
+  t.mufsquare = 0x338c;
+  t.mugreek = 0x03bc;
+  t.mugsquare = 0x338d;
+  t.muhiragana = 0x3080;
+  t.mukatakana = 0x30e0;
+  t.mukatakanahalfwidth = 0xff91;
+  t.mulsquare = 0x3395;
+  t.multiply = 0x00d7;
+  t.mumsquare = 0x339b;
+  t.munahhebrew = 0x05a3;
+  t.munahlefthebrew = 0x05a3;
+  t.musicalnote = 0x266a;
+  t.musicalnotedbl = 0x266b;
+  t.musicflatsign = 0x266d;
+  t.musicsharpsign = 0x266f;
+  t.mussquare = 0x33b2;
+  t.muvsquare = 0x33b6;
+  t.muwsquare = 0x33bc;
+  t.mvmegasquare = 0x33b9;
+  t.mvsquare = 0x33b7;
+  t.mwmegasquare = 0x33bf;
+  t.mwsquare = 0x33bd;
+  t.n = 0x006e;
+  t.nabengali = 0x09a8;
+  t.nabla = 0x2207;
+  t.nacute = 0x0144;
+  t.nadeva = 0x0928;
+  t.nagujarati = 0x0aa8;
+  t.nagurmukhi = 0x0a28;
+  t.nahiragana = 0x306a;
+  t.nakatakana = 0x30ca;
+  t.nakatakanahalfwidth = 0xff85;
+  t.napostrophe = 0x0149;
+  t.nasquare = 0x3381;
+  t.nbopomofo = 0x310b;
+  t.nbspace = 0x00a0;
+  t.ncaron = 0x0148;
+  t.ncedilla = 0x0146;
+  t.ncircle = 0x24dd;
+  t.ncircumflexbelow = 0x1e4b;
+  t.ncommaaccent = 0x0146;
+  t.ndotaccent = 0x1e45;
+  t.ndotbelow = 0x1e47;
+  t.nehiragana = 0x306d;
+  t.nekatakana = 0x30cd;
+  t.nekatakanahalfwidth = 0xff88;
+  t.newsheqelsign = 0x20aa;
+  t.nfsquare = 0x338b;
+  t.ngabengali = 0x0999;
+  t.ngadeva = 0x0919;
+  t.ngagujarati = 0x0a99;
+  t.ngagurmukhi = 0x0a19;
+  t.ngonguthai = 0x0e07;
+  t.nhiragana = 0x3093;
+  t.nhookleft = 0x0272;
+  t.nhookretroflex = 0x0273;
+  t.nieunacirclekorean = 0x326f;
+  t.nieunaparenkorean = 0x320f;
+  t.nieuncieuckorean = 0x3135;
+  t.nieuncirclekorean = 0x3261;
+  t.nieunhieuhkorean = 0x3136;
+  t.nieunkorean = 0x3134;
+  t.nieunpansioskorean = 0x3168;
+  t.nieunparenkorean = 0x3201;
+  t.nieunsioskorean = 0x3167;
+  t.nieuntikeutkorean = 0x3166;
+  t.nihiragana = 0x306b;
+  t.nikatakana = 0x30cb;
+  t.nikatakanahalfwidth = 0xff86;
+  t.nikhahitleftthai = 0xf899;
+  t.nikhahitthai = 0x0e4d;
+  t.nine = 0x0039;
+  t.ninearabic = 0x0669;
+  t.ninebengali = 0x09ef;
+  t.ninecircle = 0x2468;
+  t.ninecircleinversesansserif = 0x2792;
+  t.ninedeva = 0x096f;
+  t.ninegujarati = 0x0aef;
+  t.ninegurmukhi = 0x0a6f;
+  t.ninehackarabic = 0x0669;
+  t.ninehangzhou = 0x3029;
+  t.nineideographicparen = 0x3228;
+  t.nineinferior = 0x2089;
+  t.ninemonospace = 0xff19;
+  t.nineoldstyle = 0xf739;
+  t.nineparen = 0x247c;
+  t.nineperiod = 0x2490;
+  t.ninepersian = 0x06f9;
+  t.nineroman = 0x2178;
+  t.ninesuperior = 0x2079;
+  t.nineteencircle = 0x2472;
+  t.nineteenparen = 0x2486;
+  t.nineteenperiod = 0x249a;
+  t.ninethai = 0x0e59;
+  t.nj = 0x01cc;
+  t.njecyrillic = 0x045a;
+  t.nkatakana = 0x30f3;
+  t.nkatakanahalfwidth = 0xff9d;
+  t.nlegrightlong = 0x019e;
+  t.nlinebelow = 0x1e49;
+  t.nmonospace = 0xff4e;
+  t.nmsquare = 0x339a;
+  t.nnabengali = 0x09a3;
+  t.nnadeva = 0x0923;
+  t.nnagujarati = 0x0aa3;
+  t.nnagurmukhi = 0x0a23;
+  t.nnnadeva = 0x0929;
+  t.nohiragana = 0x306e;
+  t.nokatakana = 0x30ce;
+  t.nokatakanahalfwidth = 0xff89;
+  t.nonbreakingspace = 0x00a0;
+  t.nonenthai = 0x0e13;
+  t.nonuthai = 0x0e19;
+  t.noonarabic = 0x0646;
+  t.noonfinalarabic = 0xfee6;
+  t.noonghunnaarabic = 0x06ba;
+  t.noonghunnafinalarabic = 0xfb9f;
+  t.nooninitialarabic = 0xfee7;
+  t.noonjeeminitialarabic = 0xfcd2;
+  t.noonjeemisolatedarabic = 0xfc4b;
+  t.noonmedialarabic = 0xfee8;
+  t.noonmeeminitialarabic = 0xfcd5;
+  t.noonmeemisolatedarabic = 0xfc4e;
+  t.noonnoonfinalarabic = 0xfc8d;
+  t.notcontains = 0x220c;
+  t.notelement = 0x2209;
+  t.notelementof = 0x2209;
+  t.notequal = 0x2260;
+  t.notgreater = 0x226f;
+  t.notgreaternorequal = 0x2271;
+  t.notgreaternorless = 0x2279;
+  t.notidentical = 0x2262;
+  t.notless = 0x226e;
+  t.notlessnorequal = 0x2270;
+  t.notparallel = 0x2226;
+  t.notprecedes = 0x2280;
+  t.notsubset = 0x2284;
+  t.notsucceeds = 0x2281;
+  t.notsuperset = 0x2285;
+  t.nowarmenian = 0x0576;
+  t.nparen = 0x24a9;
+  t.nssquare = 0x33b1;
+  t.nsuperior = 0x207f;
+  t.ntilde = 0x00f1;
+  t.nu = 0x03bd;
+  t.nuhiragana = 0x306c;
+  t.nukatakana = 0x30cc;
+  t.nukatakanahalfwidth = 0xff87;
+  t.nuktabengali = 0x09bc;
+  t.nuktadeva = 0x093c;
+  t.nuktagujarati = 0x0abc;
+  t.nuktagurmukhi = 0x0a3c;
+  t.numbersign = 0x0023;
+  t.numbersignmonospace = 0xff03;
+  t.numbersignsmall = 0xfe5f;
+  t.numeralsigngreek = 0x0374;
+  t.numeralsignlowergreek = 0x0375;
+  t.numero = 0x2116;
+  t.nun = 0x05e0;
+  t.nundagesh = 0xfb40;
+  t.nundageshhebrew = 0xfb40;
+  t.nunhebrew = 0x05e0;
+  t.nvsquare = 0x33b5;
+  t.nwsquare = 0x33bb;
+  t.nyabengali = 0x099e;
+  t.nyadeva = 0x091e;
+  t.nyagujarati = 0x0a9e;
+  t.nyagurmukhi = 0x0a1e;
+  t.o = 0x006f;
+  t.oacute = 0x00f3;
+  t.oangthai = 0x0e2d;
+  t.obarred = 0x0275;
+  t.obarredcyrillic = 0x04e9;
+  t.obarreddieresiscyrillic = 0x04eb;
+  t.obengali = 0x0993;
+  t.obopomofo = 0x311b;
+  t.obreve = 0x014f;
+  t.ocandradeva = 0x0911;
+  t.ocandragujarati = 0x0a91;
+  t.ocandravowelsigndeva = 0x0949;
+  t.ocandravowelsigngujarati = 0x0ac9;
+  t.ocaron = 0x01d2;
+  t.ocircle = 0x24de;
+  t.ocircumflex = 0x00f4;
+  t.ocircumflexacute = 0x1ed1;
+  t.ocircumflexdotbelow = 0x1ed9;
+  t.ocircumflexgrave = 0x1ed3;
+  t.ocircumflexhookabove = 0x1ed5;
+  t.ocircumflextilde = 0x1ed7;
+  t.ocyrillic = 0x043e;
+  t.odblacute = 0x0151;
+  t.odblgrave = 0x020d;
+  t.odeva = 0x0913;
+  t.odieresis = 0x00f6;
+  t.odieresiscyrillic = 0x04e7;
+  t.odotbelow = 0x1ecd;
+  t.oe = 0x0153;
+  t.oekorean = 0x315a;
+  t.ogonek = 0x02db;
+  t.ogonekcmb = 0x0328;
+  t.ograve = 0x00f2;
+  t.ogujarati = 0x0a93;
+  t.oharmenian = 0x0585;
+  t.ohiragana = 0x304a;
+  t.ohookabove = 0x1ecf;
+  t.ohorn = 0x01a1;
+  t.ohornacute = 0x1edb;
+  t.ohorndotbelow = 0x1ee3;
+  t.ohorngrave = 0x1edd;
+  t.ohornhookabove = 0x1edf;
+  t.ohorntilde = 0x1ee1;
+  t.ohungarumlaut = 0x0151;
+  t.oi = 0x01a3;
+  t.oinvertedbreve = 0x020f;
+  t.okatakana = 0x30aa;
+  t.okatakanahalfwidth = 0xff75;
+  t.okorean = 0x3157;
+  t.olehebrew = 0x05ab;
+  t.omacron = 0x014d;
+  t.omacronacute = 0x1e53;
+  t.omacrongrave = 0x1e51;
+  t.omdeva = 0x0950;
+  t.omega = 0x03c9;
+  t.omega1 = 0x03d6;
+  t.omegacyrillic = 0x0461;
+  t.omegalatinclosed = 0x0277;
+  t.omegaroundcyrillic = 0x047b;
+  t.omegatitlocyrillic = 0x047d;
+  t.omegatonos = 0x03ce;
+  t.omgujarati = 0x0ad0;
+  t.omicron = 0x03bf;
+  t.omicrontonos = 0x03cc;
+  t.omonospace = 0xff4f;
+  t.one = 0x0031;
+  t.onearabic = 0x0661;
+  t.onebengali = 0x09e7;
+  t.onecircle = 0x2460;
+  t.onecircleinversesansserif = 0x278a;
+  t.onedeva = 0x0967;
+  t.onedotenleader = 0x2024;
+  t.oneeighth = 0x215b;
+  t.onefitted = 0xf6dc;
+  t.onegujarati = 0x0ae7;
+  t.onegurmukhi = 0x0a67;
+  t.onehackarabic = 0x0661;
+  t.onehalf = 0x00bd;
+  t.onehangzhou = 0x3021;
+  t.oneideographicparen = 0x3220;
+  t.oneinferior = 0x2081;
+  t.onemonospace = 0xff11;
+  t.onenumeratorbengali = 0x09f4;
+  t.oneoldstyle = 0xf731;
+  t.oneparen = 0x2474;
+  t.oneperiod = 0x2488;
+  t.onepersian = 0x06f1;
+  t.onequarter = 0x00bc;
+  t.oneroman = 0x2170;
+  t.onesuperior = 0x00b9;
+  t.onethai = 0x0e51;
+  t.onethird = 0x2153;
+  t.oogonek = 0x01eb;
+  t.oogonekmacron = 0x01ed;
+  t.oogurmukhi = 0x0a13;
+  t.oomatragurmukhi = 0x0a4b;
+  t.oopen = 0x0254;
+  t.oparen = 0x24aa;
+  t.openbullet = 0x25e6;
+  t.option = 0x2325;
+  t.ordfeminine = 0x00aa;
+  t.ordmasculine = 0x00ba;
+  t.orthogonal = 0x221f;
+  t.oshortdeva = 0x0912;
+  t.oshortvowelsigndeva = 0x094a;
+  t.oslash = 0x00f8;
+  t.oslashacute = 0x01ff;
+  t.osmallhiragana = 0x3049;
+  t.osmallkatakana = 0x30a9;
+  t.osmallkatakanahalfwidth = 0xff6b;
+  t.ostrokeacute = 0x01ff;
+  t.osuperior = 0xf6f0;
+  t.otcyrillic = 0x047f;
+  t.otilde = 0x00f5;
+  t.otildeacute = 0x1e4d;
+  t.otildedieresis = 0x1e4f;
+  t.oubopomofo = 0x3121;
+  t.overline = 0x203e;
+  t.overlinecenterline = 0xfe4a;
+  t.overlinecmb = 0x0305;
+  t.overlinedashed = 0xfe49;
+  t.overlinedblwavy = 0xfe4c;
+  t.overlinewavy = 0xfe4b;
+  t.overscore = 0x00af;
+  t.ovowelsignbengali = 0x09cb;
+  t.ovowelsigndeva = 0x094b;
+  t.ovowelsigngujarati = 0x0acb;
+  t.p = 0x0070;
+  t.paampssquare = 0x3380;
+  t.paasentosquare = 0x332b;
+  t.pabengali = 0x09aa;
+  t.pacute = 0x1e55;
+  t.padeva = 0x092a;
+  t.pagedown = 0x21df;
+  t.pageup = 0x21de;
+  t.pagujarati = 0x0aaa;
+  t.pagurmukhi = 0x0a2a;
+  t.pahiragana = 0x3071;
+  t.paiyannoithai = 0x0e2f;
+  t.pakatakana = 0x30d1;
+  t.palatalizationcyrilliccmb = 0x0484;
+  t.palochkacyrillic = 0x04c0;
+  t.pansioskorean = 0x317f;
+  t.paragraph = 0x00b6;
+  t.parallel = 0x2225;
+  t.parenleft = 0x0028;
+  t.parenleftaltonearabic = 0xfd3e;
+  t.parenleftbt = 0xf8ed;
+  t.parenleftex = 0xf8ec;
+  t.parenleftinferior = 0x208d;
+  t.parenleftmonospace = 0xff08;
+  t.parenleftsmall = 0xfe59;
+  t.parenleftsuperior = 0x207d;
+  t.parenlefttp = 0xf8eb;
+  t.parenleftvertical = 0xfe35;
+  t.parenright = 0x0029;
+  t.parenrightaltonearabic = 0xfd3f;
+  t.parenrightbt = 0xf8f8;
+  t.parenrightex = 0xf8f7;
+  t.parenrightinferior = 0x208e;
+  t.parenrightmonospace = 0xff09;
+  t.parenrightsmall = 0xfe5a;
+  t.parenrightsuperior = 0x207e;
+  t.parenrighttp = 0xf8f6;
+  t.parenrightvertical = 0xfe36;
+  t.partialdiff = 0x2202;
+  t.paseqhebrew = 0x05c0;
+  t.pashtahebrew = 0x0599;
+  t.pasquare = 0x33a9;
+  t.patah = 0x05b7;
+  t.patah11 = 0x05b7;
+  t.patah1d = 0x05b7;
+  t.patah2a = 0x05b7;
+  t.patahhebrew = 0x05b7;
+  t.patahnarrowhebrew = 0x05b7;
+  t.patahquarterhebrew = 0x05b7;
+  t.patahwidehebrew = 0x05b7;
+  t.pazerhebrew = 0x05a1;
+  t.pbopomofo = 0x3106;
+  t.pcircle = 0x24df;
+  t.pdotaccent = 0x1e57;
+  t.pe = 0x05e4;
+  t.pecyrillic = 0x043f;
+  t.pedagesh = 0xfb44;
+  t.pedageshhebrew = 0xfb44;
+  t.peezisquare = 0x333b;
+  t.pefinaldageshhebrew = 0xfb43;
+  t.peharabic = 0x067e;
+  t.peharmenian = 0x057a;
+  t.pehebrew = 0x05e4;
+  t.pehfinalarabic = 0xfb57;
+  t.pehinitialarabic = 0xfb58;
+  t.pehiragana = 0x307a;
+  t.pehmedialarabic = 0xfb59;
+  t.pekatakana = 0x30da;
+  t.pemiddlehookcyrillic = 0x04a7;
+  t.perafehebrew = 0xfb4e;
+  t.percent = 0x0025;
+  t.percentarabic = 0x066a;
+  t.percentmonospace = 0xff05;
+  t.percentsmall = 0xfe6a;
+  t.period = 0x002e;
+  t.periodarmenian = 0x0589;
+  t.periodcentered = 0x00b7;
+  t.periodhalfwidth = 0xff61;
+  t.periodinferior = 0xf6e7;
+  t.periodmonospace = 0xff0e;
+  t.periodsmall = 0xfe52;
+  t.periodsuperior = 0xf6e8;
+  t.perispomenigreekcmb = 0x0342;
+  t.perpendicular = 0x22a5;
+  t.perthousand = 0x2030;
+  t.peseta = 0x20a7;
+  t.pfsquare = 0x338a;
+  t.phabengali = 0x09ab;
+  t.phadeva = 0x092b;
+  t.phagujarati = 0x0aab;
+  t.phagurmukhi = 0x0a2b;
+  t.phi = 0x03c6;
+  t.phi1 = 0x03d5;
+  t.phieuphacirclekorean = 0x327a;
+  t.phieuphaparenkorean = 0x321a;
+  t.phieuphcirclekorean = 0x326c;
+  t.phieuphkorean = 0x314d;
+  t.phieuphparenkorean = 0x320c;
+  t.philatin = 0x0278;
+  t.phinthuthai = 0x0e3a;
+  t.phisymbolgreek = 0x03d5;
+  t.phook = 0x01a5;
+  t.phophanthai = 0x0e1e;
+  t.phophungthai = 0x0e1c;
+  t.phosamphaothai = 0x0e20;
+  t.pi = 0x03c0;
+  t.pieupacirclekorean = 0x3273;
+  t.pieupaparenkorean = 0x3213;
+  t.pieupcieuckorean = 0x3176;
+  t.pieupcirclekorean = 0x3265;
+  t.pieupkiyeokkorean = 0x3172;
+  t.pieupkorean = 0x3142;
+  t.pieupparenkorean = 0x3205;
+  t.pieupsioskiyeokkorean = 0x3174;
+  t.pieupsioskorean = 0x3144;
+  t.pieupsiostikeutkorean = 0x3175;
+  t.pieupthieuthkorean = 0x3177;
+  t.pieuptikeutkorean = 0x3173;
+  t.pihiragana = 0x3074;
+  t.pikatakana = 0x30d4;
+  t.pisymbolgreek = 0x03d6;
+  t.piwrarmenian = 0x0583;
+  t.plus = 0x002b;
+  t.plusbelowcmb = 0x031f;
+  t.pluscircle = 0x2295;
+  t.plusminus = 0x00b1;
+  t.plusmod = 0x02d6;
+  t.plusmonospace = 0xff0b;
+  t.plussmall = 0xfe62;
+  t.plussuperior = 0x207a;
+  t.pmonospace = 0xff50;
+  t.pmsquare = 0x33d8;
+  t.pohiragana = 0x307d;
+  t.pointingindexdownwhite = 0x261f;
+  t.pointingindexleftwhite = 0x261c;
+  t.pointingindexrightwhite = 0x261e;
+  t.pointingindexupwhite = 0x261d;
+  t.pokatakana = 0x30dd;
+  t.poplathai = 0x0e1b;
+  t.postalmark = 0x3012;
+  t.postalmarkface = 0x3020;
+  t.pparen = 0x24ab;
+  t.precedes = 0x227a;
+  t.prescription = 0x211e;
+  t.primemod = 0x02b9;
+  t.primereversed = 0x2035;
+  t.product = 0x220f;
+  t.projective = 0x2305;
+  t.prolongedkana = 0x30fc;
+  t.propellor = 0x2318;
+  t.propersubset = 0x2282;
+  t.propersuperset = 0x2283;
+  t.proportion = 0x2237;
+  t.proportional = 0x221d;
+  t.psi = 0x03c8;
+  t.psicyrillic = 0x0471;
+  t.psilipneumatacyrilliccmb = 0x0486;
+  t.pssquare = 0x33b0;
+  t.puhiragana = 0x3077;
+  t.pukatakana = 0x30d7;
+  t.pvsquare = 0x33b4;
+  t.pwsquare = 0x33ba;
+  t.q = 0x0071;
+  t.qadeva = 0x0958;
+  t.qadmahebrew = 0x05a8;
+  t.qafarabic = 0x0642;
+  t.qaffinalarabic = 0xfed6;
+  t.qafinitialarabic = 0xfed7;
+  t.qafmedialarabic = 0xfed8;
+  t.qamats = 0x05b8;
+  t.qamats10 = 0x05b8;
+  t.qamats1a = 0x05b8;
+  t.qamats1c = 0x05b8;
+  t.qamats27 = 0x05b8;
+  t.qamats29 = 0x05b8;
+  t.qamats33 = 0x05b8;
+  t.qamatsde = 0x05b8;
+  t.qamatshebrew = 0x05b8;
+  t.qamatsnarrowhebrew = 0x05b8;
+  t.qamatsqatanhebrew = 0x05b8;
+  t.qamatsqatannarrowhebrew = 0x05b8;
+  t.qamatsqatanquarterhebrew = 0x05b8;
+  t.qamatsqatanwidehebrew = 0x05b8;
+  t.qamatsquarterhebrew = 0x05b8;
+  t.qamatswidehebrew = 0x05b8;
+  t.qarneyparahebrew = 0x059f;
+  t.qbopomofo = 0x3111;
+  t.qcircle = 0x24e0;
+  t.qhook = 0x02a0;
+  t.qmonospace = 0xff51;
+  t.qof = 0x05e7;
+  t.qofdagesh = 0xfb47;
+  t.qofdageshhebrew = 0xfb47;
+  t.qofhebrew = 0x05e7;
+  t.qparen = 0x24ac;
+  t.quarternote = 0x2669;
+  t.qubuts = 0x05bb;
+  t.qubuts18 = 0x05bb;
+  t.qubuts25 = 0x05bb;
+  t.qubuts31 = 0x05bb;
+  t.qubutshebrew = 0x05bb;
+  t.qubutsnarrowhebrew = 0x05bb;
+  t.qubutsquarterhebrew = 0x05bb;
+  t.qubutswidehebrew = 0x05bb;
+  t.question = 0x003f;
+  t.questionarabic = 0x061f;
+  t.questionarmenian = 0x055e;
+  t.questiondown = 0x00bf;
+  t.questiondownsmall = 0xf7bf;
+  t.questiongreek = 0x037e;
+  t.questionmonospace = 0xff1f;
+  t.questionsmall = 0xf73f;
+  t.quotedbl = 0x0022;
+  t.quotedblbase = 0x201e;
+  t.quotedblleft = 0x201c;
+  t.quotedblmonospace = 0xff02;
+  t.quotedblprime = 0x301e;
+  t.quotedblprimereversed = 0x301d;
+  t.quotedblright = 0x201d;
+  t.quoteleft = 0x2018;
+  t.quoteleftreversed = 0x201b;
+  t.quotereversed = 0x201b;
+  t.quoteright = 0x2019;
+  t.quoterightn = 0x0149;
+  t.quotesinglbase = 0x201a;
+  t.quotesingle = 0x0027;
+  t.quotesinglemonospace = 0xff07;
+  t.r = 0x0072;
+  t.raarmenian = 0x057c;
+  t.rabengali = 0x09b0;
+  t.racute = 0x0155;
+  t.radeva = 0x0930;
+  t.radical = 0x221a;
+  t.radicalex = 0xf8e5;
+  t.radoverssquare = 0x33ae;
+  t.radoverssquaredsquare = 0x33af;
+  t.radsquare = 0x33ad;
+  t.rafe = 0x05bf;
+  t.rafehebrew = 0x05bf;
+  t.ragujarati = 0x0ab0;
+  t.ragurmukhi = 0x0a30;
+  t.rahiragana = 0x3089;
+  t.rakatakana = 0x30e9;
+  t.rakatakanahalfwidth = 0xff97;
+  t.ralowerdiagonalbengali = 0x09f1;
+  t.ramiddlediagonalbengali = 0x09f0;
+  t.ramshorn = 0x0264;
+  t.ratio = 0x2236;
+  t.rbopomofo = 0x3116;
+  t.rcaron = 0x0159;
+  t.rcedilla = 0x0157;
+  t.rcircle = 0x24e1;
+  t.rcommaaccent = 0x0157;
+  t.rdblgrave = 0x0211;
+  t.rdotaccent = 0x1e59;
+  t.rdotbelow = 0x1e5b;
+  t.rdotbelowmacron = 0x1e5d;
+  t.referencemark = 0x203b;
+  t.reflexsubset = 0x2286;
+  t.reflexsuperset = 0x2287;
+  t.registered = 0x00ae;
+  t.registersans = 0xf8e8;
+  t.registerserif = 0xf6da;
+  t.reharabic = 0x0631;
+  t.reharmenian = 0x0580;
+  t.rehfinalarabic = 0xfeae;
+  t.rehiragana = 0x308c;
+  t.rekatakana = 0x30ec;
+  t.rekatakanahalfwidth = 0xff9a;
+  t.resh = 0x05e8;
+  t.reshdageshhebrew = 0xfb48;
+  t.reshhebrew = 0x05e8;
+  t.reversedtilde = 0x223d;
+  t.reviahebrew = 0x0597;
+  t.reviamugrashhebrew = 0x0597;
+  t.revlogicalnot = 0x2310;
+  t.rfishhook = 0x027e;
+  t.rfishhookreversed = 0x027f;
+  t.rhabengali = 0x09dd;
+  t.rhadeva = 0x095d;
+  t.rho = 0x03c1;
+  t.rhook = 0x027d;
+  t.rhookturned = 0x027b;
+  t.rhookturnedsuperior = 0x02b5;
+  t.rhosymbolgreek = 0x03f1;
+  t.rhotichookmod = 0x02de;
+  t.rieulacirclekorean = 0x3271;
+  t.rieulaparenkorean = 0x3211;
+  t.rieulcirclekorean = 0x3263;
+  t.rieulhieuhkorean = 0x3140;
+  t.rieulkiyeokkorean = 0x313a;
+  t.rieulkiyeoksioskorean = 0x3169;
+  t.rieulkorean = 0x3139;
+  t.rieulmieumkorean = 0x313b;
+  t.rieulpansioskorean = 0x316c;
+  t.rieulparenkorean = 0x3203;
+  t.rieulphieuphkorean = 0x313f;
+  t.rieulpieupkorean = 0x313c;
+  t.rieulpieupsioskorean = 0x316b;
+  t.rieulsioskorean = 0x313d;
+  t.rieulthieuthkorean = 0x313e;
+  t.rieultikeutkorean = 0x316a;
+  t.rieulyeorinhieuhkorean = 0x316d;
+  t.rightangle = 0x221f;
+  t.righttackbelowcmb = 0x0319;
+  t.righttriangle = 0x22bf;
+  t.rihiragana = 0x308a;
+  t.rikatakana = 0x30ea;
+  t.rikatakanahalfwidth = 0xff98;
+  t.ring = 0x02da;
+  t.ringbelowcmb = 0x0325;
+  t.ringcmb = 0x030a;
+  t.ringhalfleft = 0x02bf;
+  t.ringhalfleftarmenian = 0x0559;
+  t.ringhalfleftbelowcmb = 0x031c;
+  t.ringhalfleftcentered = 0x02d3;
+  t.ringhalfright = 0x02be;
+  t.ringhalfrightbelowcmb = 0x0339;
+  t.ringhalfrightcentered = 0x02d2;
+  t.rinvertedbreve = 0x0213;
+  t.rittorusquare = 0x3351;
+  t.rlinebelow = 0x1e5f;
+  t.rlongleg = 0x027c;
+  t.rlonglegturned = 0x027a;
+  t.rmonospace = 0xff52;
+  t.rohiragana = 0x308d;
+  t.rokatakana = 0x30ed;
+  t.rokatakanahalfwidth = 0xff9b;
+  t.roruathai = 0x0e23;
+  t.rparen = 0x24ad;
+  t.rrabengali = 0x09dc;
+  t.rradeva = 0x0931;
+  t.rragurmukhi = 0x0a5c;
+  t.rreharabic = 0x0691;
+  t.rrehfinalarabic = 0xfb8d;
+  t.rrvocalicbengali = 0x09e0;
+  t.rrvocalicdeva = 0x0960;
+  t.rrvocalicgujarati = 0x0ae0;
+  t.rrvocalicvowelsignbengali = 0x09c4;
+  t.rrvocalicvowelsigndeva = 0x0944;
+  t.rrvocalicvowelsigngujarati = 0x0ac4;
+  t.rsuperior = 0xf6f1;
+  t.rtblock = 0x2590;
+  t.rturned = 0x0279;
+  t.rturnedsuperior = 0x02b4;
+  t.ruhiragana = 0x308b;
+  t.rukatakana = 0x30eb;
+  t.rukatakanahalfwidth = 0xff99;
+  t.rupeemarkbengali = 0x09f2;
+  t.rupeesignbengali = 0x09f3;
+  t.rupiah = 0xf6dd;
+  t.ruthai = 0x0e24;
+  t.rvocalicbengali = 0x098b;
+  t.rvocalicdeva = 0x090b;
+  t.rvocalicgujarati = 0x0a8b;
+  t.rvocalicvowelsignbengali = 0x09c3;
+  t.rvocalicvowelsigndeva = 0x0943;
+  t.rvocalicvowelsigngujarati = 0x0ac3;
+  t.s = 0x0073;
+  t.sabengali = 0x09b8;
+  t.sacute = 0x015b;
+  t.sacutedotaccent = 0x1e65;
+  t.sadarabic = 0x0635;
+  t.sadeva = 0x0938;
+  t.sadfinalarabic = 0xfeba;
+  t.sadinitialarabic = 0xfebb;
+  t.sadmedialarabic = 0xfebc;
+  t.sagujarati = 0x0ab8;
+  t.sagurmukhi = 0x0a38;
+  t.sahiragana = 0x3055;
+  t.sakatakana = 0x30b5;
+  t.sakatakanahalfwidth = 0xff7b;
+  t.sallallahoualayhewasallamarabic = 0xfdfa;
+  t.samekh = 0x05e1;
+  t.samekhdagesh = 0xfb41;
+  t.samekhdageshhebrew = 0xfb41;
+  t.samekhhebrew = 0x05e1;
+  t.saraaathai = 0x0e32;
+  t.saraaethai = 0x0e41;
+  t.saraaimaimalaithai = 0x0e44;
+  t.saraaimaimuanthai = 0x0e43;
+  t.saraamthai = 0x0e33;
+  t.saraathai = 0x0e30;
+  t.saraethai = 0x0e40;
+  t.saraiileftthai = 0xf886;
+  t.saraiithai = 0x0e35;
+  t.saraileftthai = 0xf885;
+  t.saraithai = 0x0e34;
+  t.saraothai = 0x0e42;
+  t.saraueeleftthai = 0xf888;
+  t.saraueethai = 0x0e37;
+  t.saraueleftthai = 0xf887;
+  t.sarauethai = 0x0e36;
+  t.sarauthai = 0x0e38;
+  t.sarauuthai = 0x0e39;
+  t.sbopomofo = 0x3119;
+  t.scaron = 0x0161;
+  t.scarondotaccent = 0x1e67;
+  t.scedilla = 0x015f;
+  t.schwa = 0x0259;
+  t.schwacyrillic = 0x04d9;
+  t.schwadieresiscyrillic = 0x04db;
+  t.schwahook = 0x025a;
+  t.scircle = 0x24e2;
+  t.scircumflex = 0x015d;
+  t.scommaaccent = 0x0219;
+  t.sdotaccent = 0x1e61;
+  t.sdotbelow = 0x1e63;
+  t.sdotbelowdotaccent = 0x1e69;
+  t.seagullbelowcmb = 0x033c;
+  t.second = 0x2033;
+  t.secondtonechinese = 0x02ca;
+  t.section = 0x00a7;
+  t.seenarabic = 0x0633;
+  t.seenfinalarabic = 0xfeb2;
+  t.seeninitialarabic = 0xfeb3;
+  t.seenmedialarabic = 0xfeb4;
+  t.segol = 0x05b6;
+  t.segol13 = 0x05b6;
+  t.segol1f = 0x05b6;
+  t.segol2c = 0x05b6;
+  t.segolhebrew = 0x05b6;
+  t.segolnarrowhebrew = 0x05b6;
+  t.segolquarterhebrew = 0x05b6;
+  t.segoltahebrew = 0x0592;
+  t.segolwidehebrew = 0x05b6;
+  t.seharmenian = 0x057d;
+  t.sehiragana = 0x305b;
+  t.sekatakana = 0x30bb;
+  t.sekatakanahalfwidth = 0xff7e;
+  t.semicolon = 0x003b;
+  t.semicolonarabic = 0x061b;
+  t.semicolonmonospace = 0xff1b;
+  t.semicolonsmall = 0xfe54;
+  t.semivoicedmarkkana = 0x309c;
+  t.semivoicedmarkkanahalfwidth = 0xff9f;
+  t.sentisquare = 0x3322;
+  t.sentosquare = 0x3323;
+  t.seven = 0x0037;
+  t.sevenarabic = 0x0667;
+  t.sevenbengali = 0x09ed;
+  t.sevencircle = 0x2466;
+  t.sevencircleinversesansserif = 0x2790;
+  t.sevendeva = 0x096d;
+  t.seveneighths = 0x215e;
+  t.sevengujarati = 0x0aed;
+  t.sevengurmukhi = 0x0a6d;
+  t.sevenhackarabic = 0x0667;
+  t.sevenhangzhou = 0x3027;
+  t.sevenideographicparen = 0x3226;
+  t.seveninferior = 0x2087;
+  t.sevenmonospace = 0xff17;
+  t.sevenoldstyle = 0xf737;
+  t.sevenparen = 0x247a;
+  t.sevenperiod = 0x248e;
+  t.sevenpersian = 0x06f7;
+  t.sevenroman = 0x2176;
+  t.sevensuperior = 0x2077;
+  t.seventeencircle = 0x2470;
+  t.seventeenparen = 0x2484;
+  t.seventeenperiod = 0x2498;
+  t.seventhai = 0x0e57;
+  t.sfthyphen = 0x00ad;
+  t.shaarmenian = 0x0577;
+  t.shabengali = 0x09b6;
+  t.shacyrillic = 0x0448;
+  t.shaddaarabic = 0x0651;
+  t.shaddadammaarabic = 0xfc61;
+  t.shaddadammatanarabic = 0xfc5e;
+  t.shaddafathaarabic = 0xfc60;
+  t.shaddakasraarabic = 0xfc62;
+  t.shaddakasratanarabic = 0xfc5f;
+  t.shade = 0x2592;
+  t.shadedark = 0x2593;
+  t.shadelight = 0x2591;
+  t.shademedium = 0x2592;
+  t.shadeva = 0x0936;
+  t.shagujarati = 0x0ab6;
+  t.shagurmukhi = 0x0a36;
+  t.shalshelethebrew = 0x0593;
+  t.shbopomofo = 0x3115;
+  t.shchacyrillic = 0x0449;
+  t.sheenarabic = 0x0634;
+  t.sheenfinalarabic = 0xfeb6;
+  t.sheeninitialarabic = 0xfeb7;
+  t.sheenmedialarabic = 0xfeb8;
+  t.sheicoptic = 0x03e3;
+  t.sheqel = 0x20aa;
+  t.sheqelhebrew = 0x20aa;
+  t.sheva = 0x05b0;
+  t.sheva115 = 0x05b0;
+  t.sheva15 = 0x05b0;
+  t.sheva22 = 0x05b0;
+  t.sheva2e = 0x05b0;
+  t.shevahebrew = 0x05b0;
+  t.shevanarrowhebrew = 0x05b0;
+  t.shevaquarterhebrew = 0x05b0;
+  t.shevawidehebrew = 0x05b0;
+  t.shhacyrillic = 0x04bb;
+  t.shimacoptic = 0x03ed;
+  t.shin = 0x05e9;
+  t.shindagesh = 0xfb49;
+  t.shindageshhebrew = 0xfb49;
+  t.shindageshshindot = 0xfb2c;
+  t.shindageshshindothebrew = 0xfb2c;
+  t.shindageshsindot = 0xfb2d;
+  t.shindageshsindothebrew = 0xfb2d;
+  t.shindothebrew = 0x05c1;
+  t.shinhebrew = 0x05e9;
+  t.shinshindot = 0xfb2a;
+  t.shinshindothebrew = 0xfb2a;
+  t.shinsindot = 0xfb2b;
+  t.shinsindothebrew = 0xfb2b;
+  t.shook = 0x0282;
+  t.sigma = 0x03c3;
+  t.sigma1 = 0x03c2;
+  t.sigmafinal = 0x03c2;
+  t.sigmalunatesymbolgreek = 0x03f2;
+  t.sihiragana = 0x3057;
+  t.sikatakana = 0x30b7;
+  t.sikatakanahalfwidth = 0xff7c;
+  t.siluqhebrew = 0x05bd;
+  t.siluqlefthebrew = 0x05bd;
+  t.similar = 0x223c;
+  t.sindothebrew = 0x05c2;
+  t.siosacirclekorean = 0x3274;
+  t.siosaparenkorean = 0x3214;
+  t.sioscieuckorean = 0x317e;
+  t.sioscirclekorean = 0x3266;
+  t.sioskiyeokkorean = 0x317a;
+  t.sioskorean = 0x3145;
+  t.siosnieunkorean = 0x317b;
+  t.siosparenkorean = 0x3206;
+  t.siospieupkorean = 0x317d;
+  t.siostikeutkorean = 0x317c;
+  t.six = 0x0036;
+  t.sixarabic = 0x0666;
+  t.sixbengali = 0x09ec;
+  t.sixcircle = 0x2465;
+  t.sixcircleinversesansserif = 0x278f;
+  t.sixdeva = 0x096c;
+  t.sixgujarati = 0x0aec;
+  t.sixgurmukhi = 0x0a6c;
+  t.sixhackarabic = 0x0666;
+  t.sixhangzhou = 0x3026;
+  t.sixideographicparen = 0x3225;
+  t.sixinferior = 0x2086;
+  t.sixmonospace = 0xff16;
+  t.sixoldstyle = 0xf736;
+  t.sixparen = 0x2479;
+  t.sixperiod = 0x248d;
+  t.sixpersian = 0x06f6;
+  t.sixroman = 0x2175;
+  t.sixsuperior = 0x2076;
+  t.sixteencircle = 0x246f;
+  t.sixteencurrencydenominatorbengali = 0x09f9;
+  t.sixteenparen = 0x2483;
+  t.sixteenperiod = 0x2497;
+  t.sixthai = 0x0e56;
+  t.slash = 0x002f;
+  t.slashmonospace = 0xff0f;
+  t.slong = 0x017f;
+  t.slongdotaccent = 0x1e9b;
+  t.smileface = 0x263a;
+  t.smonospace = 0xff53;
+  t.sofpasuqhebrew = 0x05c3;
+  t.softhyphen = 0x00ad;
+  t.softsigncyrillic = 0x044c;
+  t.sohiragana = 0x305d;
+  t.sokatakana = 0x30bd;
+  t.sokatakanahalfwidth = 0xff7f;
+  t.soliduslongoverlaycmb = 0x0338;
+  t.solidusshortoverlaycmb = 0x0337;
+  t.sorusithai = 0x0e29;
+  t.sosalathai = 0x0e28;
+  t.sosothai = 0x0e0b;
+  t.sosuathai = 0x0e2a;
+  t.space = 0x0020;
+  t.spacehackarabic = 0x0020;
+  t.spade = 0x2660;
+  t.spadesuitblack = 0x2660;
+  t.spadesuitwhite = 0x2664;
+  t.sparen = 0x24ae;
+  t.squarebelowcmb = 0x033b;
+  t.squarecc = 0x33c4;
+  t.squarecm = 0x339d;
+  t.squarediagonalcrosshatchfill = 0x25a9;
+  t.squarehorizontalfill = 0x25a4;
+  t.squarekg = 0x338f;
+  t.squarekm = 0x339e;
+  t.squarekmcapital = 0x33ce;
+  t.squareln = 0x33d1;
+  t.squarelog = 0x33d2;
+  t.squaremg = 0x338e;
+  t.squaremil = 0x33d5;
+  t.squaremm = 0x339c;
+  t.squaremsquared = 0x33a1;
+  t.squareorthogonalcrosshatchfill = 0x25a6;
+  t.squareupperlefttolowerrightfill = 0x25a7;
+  t.squareupperrighttolowerleftfill = 0x25a8;
+  t.squareverticalfill = 0x25a5;
+  t.squarewhitewithsmallblack = 0x25a3;
+  t.srsquare = 0x33db;
+  t.ssabengali = 0x09b7;
+  t.ssadeva = 0x0937;
+  t.ssagujarati = 0x0ab7;
+  t.ssangcieuckorean = 0x3149;
+  t.ssanghieuhkorean = 0x3185;
+  t.ssangieungkorean = 0x3180;
+  t.ssangkiyeokkorean = 0x3132;
+  t.ssangnieunkorean = 0x3165;
+  t.ssangpieupkorean = 0x3143;
+  t.ssangsioskorean = 0x3146;
+  t.ssangtikeutkorean = 0x3138;
+  t.ssuperior = 0xf6f2;
+  t.sterling = 0x00a3;
+  t.sterlingmonospace = 0xffe1;
+  t.strokelongoverlaycmb = 0x0336;
+  t.strokeshortoverlaycmb = 0x0335;
+  t.subset = 0x2282;
+  t.subsetnotequal = 0x228a;
+  t.subsetorequal = 0x2286;
+  t.succeeds = 0x227b;
+  t.suchthat = 0x220b;
+  t.suhiragana = 0x3059;
+  t.sukatakana = 0x30b9;
+  t.sukatakanahalfwidth = 0xff7d;
+  t.sukunarabic = 0x0652;
+  t.summation = 0x2211;
+  t.sun = 0x263c;
+  t.superset = 0x2283;
+  t.supersetnotequal = 0x228b;
+  t.supersetorequal = 0x2287;
+  t.svsquare = 0x33dc;
+  t.syouwaerasquare = 0x337c;
+  t.t = 0x0074;
+  t.tabengali = 0x09a4;
+  t.tackdown = 0x22a4;
+  t.tackleft = 0x22a3;
+  t.tadeva = 0x0924;
+  t.tagujarati = 0x0aa4;
+  t.tagurmukhi = 0x0a24;
+  t.taharabic = 0x0637;
+  t.tahfinalarabic = 0xfec2;
+  t.tahinitialarabic = 0xfec3;
+  t.tahiragana = 0x305f;
+  t.tahmedialarabic = 0xfec4;
+  t.taisyouerasquare = 0x337d;
+  t.takatakana = 0x30bf;
+  t.takatakanahalfwidth = 0xff80;
+  t.tatweelarabic = 0x0640;
+  t.tau = 0x03c4;
+  t.tav = 0x05ea;
+  t.tavdages = 0xfb4a;
+  t.tavdagesh = 0xfb4a;
+  t.tavdageshhebrew = 0xfb4a;
+  t.tavhebrew = 0x05ea;
+  t.tbar = 0x0167;
+  t.tbopomofo = 0x310a;
+  t.tcaron = 0x0165;
+  t.tccurl = 0x02a8;
+  t.tcedilla = 0x0163;
+  t.tcheharabic = 0x0686;
+  t.tchehfinalarabic = 0xfb7b;
+  t.tchehinitialarabic = 0xfb7c;
+  t.tchehmedialarabic = 0xfb7d;
+  t.tcircle = 0x24e3;
+  t.tcircumflexbelow = 0x1e71;
+  t.tcommaaccent = 0x0163;
+  t.tdieresis = 0x1e97;
+  t.tdotaccent = 0x1e6b;
+  t.tdotbelow = 0x1e6d;
+  t.tecyrillic = 0x0442;
+  t.tedescendercyrillic = 0x04ad;
+  t.teharabic = 0x062a;
+  t.tehfinalarabic = 0xfe96;
+  t.tehhahinitialarabic = 0xfca2;
+  t.tehhahisolatedarabic = 0xfc0c;
+  t.tehinitialarabic = 0xfe97;
+  t.tehiragana = 0x3066;
+  t.tehjeeminitialarabic = 0xfca1;
+  t.tehjeemisolatedarabic = 0xfc0b;
+  t.tehmarbutaarabic = 0x0629;
+  t.tehmarbutafinalarabic = 0xfe94;
+  t.tehmedialarabic = 0xfe98;
+  t.tehmeeminitialarabic = 0xfca4;
+  t.tehmeemisolatedarabic = 0xfc0e;
+  t.tehnoonfinalarabic = 0xfc73;
+  t.tekatakana = 0x30c6;
+  t.tekatakanahalfwidth = 0xff83;
+  t.telephone = 0x2121;
+  t.telephoneblack = 0x260e;
+  t.telishagedolahebrew = 0x05a0;
+  t.telishaqetanahebrew = 0x05a9;
+  t.tencircle = 0x2469;
+  t.tenideographicparen = 0x3229;
+  t.tenparen = 0x247d;
+  t.tenperiod = 0x2491;
+  t.tenroman = 0x2179;
+  t.tesh = 0x02a7;
+  t.tet = 0x05d8;
+  t.tetdagesh = 0xfb38;
+  t.tetdageshhebrew = 0xfb38;
+  t.tethebrew = 0x05d8;
+  t.tetsecyrillic = 0x04b5;
+  t.tevirhebrew = 0x059b;
+  t.tevirlefthebrew = 0x059b;
+  t.thabengali = 0x09a5;
+  t.thadeva = 0x0925;
+  t.thagujarati = 0x0aa5;
+  t.thagurmukhi = 0x0a25;
+  t.thalarabic = 0x0630;
+  t.thalfinalarabic = 0xfeac;
+  t.thanthakhatlowleftthai = 0xf898;
+  t.thanthakhatlowrightthai = 0xf897;
+  t.thanthakhatthai = 0x0e4c;
+  t.thanthakhatupperleftthai = 0xf896;
+  t.theharabic = 0x062b;
+  t.thehfinalarabic = 0xfe9a;
+  t.thehinitialarabic = 0xfe9b;
+  t.thehmedialarabic = 0xfe9c;
+  t.thereexists = 0x2203;
+  t.therefore = 0x2234;
+  t.theta = 0x03b8;
+  t.theta1 = 0x03d1;
+  t.thetasymbolgreek = 0x03d1;
+  t.thieuthacirclekorean = 0x3279;
+  t.thieuthaparenkorean = 0x3219;
+  t.thieuthcirclekorean = 0x326b;
+  t.thieuthkorean = 0x314c;
+  t.thieuthparenkorean = 0x320b;
+  t.thirteencircle = 0x246c;
+  t.thirteenparen = 0x2480;
+  t.thirteenperiod = 0x2494;
+  t.thonangmonthothai = 0x0e11;
+  t.thook = 0x01ad;
+  t.thophuthaothai = 0x0e12;
+  t.thorn = 0x00fe;
+  t.thothahanthai = 0x0e17;
+  t.thothanthai = 0x0e10;
+  t.thothongthai = 0x0e18;
+  t.thothungthai = 0x0e16;
+  t.thousandcyrillic = 0x0482;
+  t.thousandsseparatorarabic = 0x066c;
+  t.thousandsseparatorpersian = 0x066c;
+  t.three = 0x0033;
+  t.threearabic = 0x0663;
+  t.threebengali = 0x09e9;
+  t.threecircle = 0x2462;
+  t.threecircleinversesansserif = 0x278c;
+  t.threedeva = 0x0969;
+  t.threeeighths = 0x215c;
+  t.threegujarati = 0x0ae9;
+  t.threegurmukhi = 0x0a69;
+  t.threehackarabic = 0x0663;
+  t.threehangzhou = 0x3023;
+  t.threeideographicparen = 0x3222;
+  t.threeinferior = 0x2083;
+  t.threemonospace = 0xff13;
+  t.threenumeratorbengali = 0x09f6;
+  t.threeoldstyle = 0xf733;
+  t.threeparen = 0x2476;
+  t.threeperiod = 0x248a;
+  t.threepersian = 0x06f3;
+  t.threequarters = 0x00be;
+  t.threequartersemdash = 0xf6de;
+  t.threeroman = 0x2172;
+  t.threesuperior = 0x00b3;
+  t.threethai = 0x0e53;
+  t.thzsquare = 0x3394;
+  t.tihiragana = 0x3061;
+  t.tikatakana = 0x30c1;
+  t.tikatakanahalfwidth = 0xff81;
+  t.tikeutacirclekorean = 0x3270;
+  t.tikeutaparenkorean = 0x3210;
+  t.tikeutcirclekorean = 0x3262;
+  t.tikeutkorean = 0x3137;
+  t.tikeutparenkorean = 0x3202;
+  t.tilde = 0x02dc;
+  t.tildebelowcmb = 0x0330;
+  t.tildecmb = 0x0303;
+  t.tildecomb = 0x0303;
+  t.tildedoublecmb = 0x0360;
+  t.tildeoperator = 0x223c;
+  t.tildeoverlaycmb = 0x0334;
+  t.tildeverticalcmb = 0x033e;
+  t.timescircle = 0x2297;
+  t.tipehahebrew = 0x0596;
+  t.tipehalefthebrew = 0x0596;
+  t.tippigurmukhi = 0x0a70;
+  t.titlocyrilliccmb = 0x0483;
+  t.tiwnarmenian = 0x057f;
+  t.tlinebelow = 0x1e6f;
+  t.tmonospace = 0xff54;
+  t.toarmenian = 0x0569;
+  t.tohiragana = 0x3068;
+  t.tokatakana = 0x30c8;
+  t.tokatakanahalfwidth = 0xff84;
+  t.tonebarextrahighmod = 0x02e5;
+  t.tonebarextralowmod = 0x02e9;
+  t.tonebarhighmod = 0x02e6;
+  t.tonebarlowmod = 0x02e8;
+  t.tonebarmidmod = 0x02e7;
+  t.tonefive = 0x01bd;
+  t.tonesix = 0x0185;
+  t.tonetwo = 0x01a8;
+  t.tonos = 0x0384;
+  t.tonsquare = 0x3327;
+  t.topatakthai = 0x0e0f;
+  t.tortoiseshellbracketleft = 0x3014;
+  t.tortoiseshellbracketleftsmall = 0xfe5d;
+  t.tortoiseshellbracketleftvertical = 0xfe39;
+  t.tortoiseshellbracketright = 0x3015;
+  t.tortoiseshellbracketrightsmall = 0xfe5e;
+  t.tortoiseshellbracketrightvertical = 0xfe3a;
+  t.totaothai = 0x0e15;
+  t.tpalatalhook = 0x01ab;
+  t.tparen = 0x24af;
+  t.trademark = 0x2122;
+  t.trademarksans = 0xf8ea;
+  t.trademarkserif = 0xf6db;
+  t.tretroflexhook = 0x0288;
+  t.triagdn = 0x25bc;
+  t.triaglf = 0x25c4;
+  t.triagrt = 0x25ba;
+  t.triagup = 0x25b2;
+  t.ts = 0x02a6;
+  t.tsadi = 0x05e6;
+  t.tsadidagesh = 0xfb46;
+  t.tsadidageshhebrew = 0xfb46;
+  t.tsadihebrew = 0x05e6;
+  t.tsecyrillic = 0x0446;
+  t.tsere = 0x05b5;
+  t.tsere12 = 0x05b5;
+  t.tsere1e = 0x05b5;
+  t.tsere2b = 0x05b5;
+  t.tserehebrew = 0x05b5;
+  t.tserenarrowhebrew = 0x05b5;
+  t.tserequarterhebrew = 0x05b5;
+  t.tserewidehebrew = 0x05b5;
+  t.tshecyrillic = 0x045b;
+  t.tsuperior = 0xf6f3;
+  t.ttabengali = 0x099f;
+  t.ttadeva = 0x091f;
+  t.ttagujarati = 0x0a9f;
+  t.ttagurmukhi = 0x0a1f;
+  t.tteharabic = 0x0679;
+  t.ttehfinalarabic = 0xfb67;
+  t.ttehinitialarabic = 0xfb68;
+  t.ttehmedialarabic = 0xfb69;
+  t.tthabengali = 0x09a0;
+  t.tthadeva = 0x0920;
+  t.tthagujarati = 0x0aa0;
+  t.tthagurmukhi = 0x0a20;
+  t.tturned = 0x0287;
+  t.tuhiragana = 0x3064;
+  t.tukatakana = 0x30c4;
+  t.tukatakanahalfwidth = 0xff82;
+  t.tusmallhiragana = 0x3063;
+  t.tusmallkatakana = 0x30c3;
+  t.tusmallkatakanahalfwidth = 0xff6f;
+  t.twelvecircle = 0x246b;
+  t.twelveparen = 0x247f;
+  t.twelveperiod = 0x2493;
+  t.twelveroman = 0x217b;
+  t.twentycircle = 0x2473;
+  t.twentyhangzhou = 0x5344;
+  t.twentyparen = 0x2487;
+  t.twentyperiod = 0x249b;
+  t.two = 0x0032;
+  t.twoarabic = 0x0662;
+  t.twobengali = 0x09e8;
+  t.twocircle = 0x2461;
+  t.twocircleinversesansserif = 0x278b;
+  t.twodeva = 0x0968;
+  t.twodotenleader = 0x2025;
+  t.twodotleader = 0x2025;
+  t.twodotleadervertical = 0xfe30;
+  t.twogujarati = 0x0ae8;
+  t.twogurmukhi = 0x0a68;
+  t.twohackarabic = 0x0662;
+  t.twohangzhou = 0x3022;
+  t.twoideographicparen = 0x3221;
+  t.twoinferior = 0x2082;
+  t.twomonospace = 0xff12;
+  t.twonumeratorbengali = 0x09f5;
+  t.twooldstyle = 0xf732;
+  t.twoparen = 0x2475;
+  t.twoperiod = 0x2489;
+  t.twopersian = 0x06f2;
+  t.tworoman = 0x2171;
+  t.twostroke = 0x01bb;
+  t.twosuperior = 0x00b2;
+  t.twothai = 0x0e52;
+  t.twothirds = 0x2154;
+  t.u = 0x0075;
+  t.uacute = 0x00fa;
+  t.ubar = 0x0289;
+  t.ubengali = 0x0989;
+  t.ubopomofo = 0x3128;
+  t.ubreve = 0x016d;
+  t.ucaron = 0x01d4;
+  t.ucircle = 0x24e4;
+  t.ucircumflex = 0x00fb;
+  t.ucircumflexbelow = 0x1e77;
+  t.ucyrillic = 0x0443;
+  t.udattadeva = 0x0951;
+  t.udblacute = 0x0171;
+  t.udblgrave = 0x0215;
+  t.udeva = 0x0909;
+  t.udieresis = 0x00fc;
+  t.udieresisacute = 0x01d8;
+  t.udieresisbelow = 0x1e73;
+  t.udieresiscaron = 0x01da;
+  t.udieresiscyrillic = 0x04f1;
+  t.udieresisgrave = 0x01dc;
+  t.udieresismacron = 0x01d6;
+  t.udotbelow = 0x1ee5;
+  t.ugrave = 0x00f9;
+  t.ugujarati = 0x0a89;
+  t.ugurmukhi = 0x0a09;
+  t.uhiragana = 0x3046;
+  t.uhookabove = 0x1ee7;
+  t.uhorn = 0x01b0;
+  t.uhornacute = 0x1ee9;
+  t.uhorndotbelow = 0x1ef1;
+  t.uhorngrave = 0x1eeb;
+  t.uhornhookabove = 0x1eed;
+  t.uhorntilde = 0x1eef;
+  t.uhungarumlaut = 0x0171;
+  t.uhungarumlautcyrillic = 0x04f3;
+  t.uinvertedbreve = 0x0217;
+  t.ukatakana = 0x30a6;
+  t.ukatakanahalfwidth = 0xff73;
+  t.ukcyrillic = 0x0479;
+  t.ukorean = 0x315c;
+  t.umacron = 0x016b;
+  t.umacroncyrillic = 0x04ef;
+  t.umacrondieresis = 0x1e7b;
+  t.umatragurmukhi = 0x0a41;
+  t.umonospace = 0xff55;
+  t.underscore = 0x005f;
+  t.underscoredbl = 0x2017;
+  t.underscoremonospace = 0xff3f;
+  t.underscorevertical = 0xfe33;
+  t.underscorewavy = 0xfe4f;
+  t.union = 0x222a;
+  t.universal = 0x2200;
+  t.uogonek = 0x0173;
+  t.uparen = 0x24b0;
+  t.upblock = 0x2580;
+  t.upperdothebrew = 0x05c4;
+  t.upsilon = 0x03c5;
+  t.upsilondieresis = 0x03cb;
+  t.upsilondieresistonos = 0x03b0;
+  t.upsilonlatin = 0x028a;
+  t.upsilontonos = 0x03cd;
+  t.uptackbelowcmb = 0x031d;
+  t.uptackmod = 0x02d4;
+  t.uragurmukhi = 0x0a73;
+  t.uring = 0x016f;
+  t.ushortcyrillic = 0x045e;
+  t.usmallhiragana = 0x3045;
+  t.usmallkatakana = 0x30a5;
+  t.usmallkatakanahalfwidth = 0xff69;
+  t.ustraightcyrillic = 0x04af;
+  t.ustraightstrokecyrillic = 0x04b1;
+  t.utilde = 0x0169;
+  t.utildeacute = 0x1e79;
+  t.utildebelow = 0x1e75;
+  t.uubengali = 0x098a;
+  t.uudeva = 0x090a;
+  t.uugujarati = 0x0a8a;
+  t.uugurmukhi = 0x0a0a;
+  t.uumatragurmukhi = 0x0a42;
+  t.uuvowelsignbengali = 0x09c2;
+  t.uuvowelsigndeva = 0x0942;
+  t.uuvowelsigngujarati = 0x0ac2;
+  t.uvowelsignbengali = 0x09c1;
+  t.uvowelsigndeva = 0x0941;
+  t.uvowelsigngujarati = 0x0ac1;
+  t.v = 0x0076;
+  t.vadeva = 0x0935;
+  t.vagujarati = 0x0ab5;
+  t.vagurmukhi = 0x0a35;
+  t.vakatakana = 0x30f7;
+  t.vav = 0x05d5;
+  t.vavdagesh = 0xfb35;
+  t.vavdagesh65 = 0xfb35;
+  t.vavdageshhebrew = 0xfb35;
+  t.vavhebrew = 0x05d5;
+  t.vavholam = 0xfb4b;
+  t.vavholamhebrew = 0xfb4b;
+  t.vavvavhebrew = 0x05f0;
+  t.vavyodhebrew = 0x05f1;
+  t.vcircle = 0x24e5;
+  t.vdotbelow = 0x1e7f;
+  t.vecyrillic = 0x0432;
+  t.veharabic = 0x06a4;
+  t.vehfinalarabic = 0xfb6b;
+  t.vehinitialarabic = 0xfb6c;
+  t.vehmedialarabic = 0xfb6d;
+  t.vekatakana = 0x30f9;
+  t.venus = 0x2640;
+  t.verticalbar = 0x007c;
+  t.verticallineabovecmb = 0x030d;
+  t.verticallinebelowcmb = 0x0329;
+  t.verticallinelowmod = 0x02cc;
+  t.verticallinemod = 0x02c8;
+  t.vewarmenian = 0x057e;
+  t.vhook = 0x028b;
+  t.vikatakana = 0x30f8;
+  t.viramabengali = 0x09cd;
+  t.viramadeva = 0x094d;
+  t.viramagujarati = 0x0acd;
+  t.visargabengali = 0x0983;
+  t.visargadeva = 0x0903;
+  t.visargagujarati = 0x0a83;
+  t.vmonospace = 0xff56;
+  t.voarmenian = 0x0578;
+  t.voicediterationhiragana = 0x309e;
+  t.voicediterationkatakana = 0x30fe;
+  t.voicedmarkkana = 0x309b;
+  t.voicedmarkkanahalfwidth = 0xff9e;
+  t.vokatakana = 0x30fa;
+  t.vparen = 0x24b1;
+  t.vtilde = 0x1e7d;
+  t.vturned = 0x028c;
+  t.vuhiragana = 0x3094;
+  t.vukatakana = 0x30f4;
+  t.w = 0x0077;
+  t.wacute = 0x1e83;
+  t.waekorean = 0x3159;
+  t.wahiragana = 0x308f;
+  t.wakatakana = 0x30ef;
+  t.wakatakanahalfwidth = 0xff9c;
+  t.wakorean = 0x3158;
+  t.wasmallhiragana = 0x308e;
+  t.wasmallkatakana = 0x30ee;
+  t.wattosquare = 0x3357;
+  t.wavedash = 0x301c;
+  t.wavyunderscorevertical = 0xfe34;
+  t.wawarabic = 0x0648;
+  t.wawfinalarabic = 0xfeee;
+  t.wawhamzaabovearabic = 0x0624;
+  t.wawhamzaabovefinalarabic = 0xfe86;
+  t.wbsquare = 0x33dd;
+  t.wcircle = 0x24e6;
+  t.wcircumflex = 0x0175;
+  t.wdieresis = 0x1e85;
+  t.wdotaccent = 0x1e87;
+  t.wdotbelow = 0x1e89;
+  t.wehiragana = 0x3091;
+  t.weierstrass = 0x2118;
+  t.wekatakana = 0x30f1;
+  t.wekorean = 0x315e;
+  t.weokorean = 0x315d;
+  t.wgrave = 0x1e81;
+  t.whitebullet = 0x25e6;
+  t.whitecircle = 0x25cb;
+  t.whitecircleinverse = 0x25d9;
+  t.whitecornerbracketleft = 0x300e;
+  t.whitecornerbracketleftvertical = 0xfe43;
+  t.whitecornerbracketright = 0x300f;
+  t.whitecornerbracketrightvertical = 0xfe44;
+  t.whitediamond = 0x25c7;
+  t.whitediamondcontainingblacksmalldiamond = 0x25c8;
+  t.whitedownpointingsmalltriangle = 0x25bf;
+  t.whitedownpointingtriangle = 0x25bd;
+  t.whiteleftpointingsmalltriangle = 0x25c3;
+  t.whiteleftpointingtriangle = 0x25c1;
+  t.whitelenticularbracketleft = 0x3016;
+  t.whitelenticularbracketright = 0x3017;
+  t.whiterightpointingsmalltriangle = 0x25b9;
+  t.whiterightpointingtriangle = 0x25b7;
+  t.whitesmallsquare = 0x25ab;
+  t.whitesmilingface = 0x263a;
+  t.whitesquare = 0x25a1;
+  t.whitestar = 0x2606;
+  t.whitetelephone = 0x260f;
+  t.whitetortoiseshellbracketleft = 0x3018;
+  t.whitetortoiseshellbracketright = 0x3019;
+  t.whiteuppointingsmalltriangle = 0x25b5;
+  t.whiteuppointingtriangle = 0x25b3;
+  t.wihiragana = 0x3090;
+  t.wikatakana = 0x30f0;
+  t.wikorean = 0x315f;
+  t.wmonospace = 0xff57;
+  t.wohiragana = 0x3092;
+  t.wokatakana = 0x30f2;
+  t.wokatakanahalfwidth = 0xff66;
+  t.won = 0x20a9;
+  t.wonmonospace = 0xffe6;
+  t.wowaenthai = 0x0e27;
+  t.wparen = 0x24b2;
+  t.wring = 0x1e98;
+  t.wsuperior = 0x02b7;
+  t.wturned = 0x028d;
+  t.wynn = 0x01bf;
+  t.x = 0x0078;
+  t.xabovecmb = 0x033d;
+  t.xbopomofo = 0x3112;
+  t.xcircle = 0x24e7;
+  t.xdieresis = 0x1e8d;
+  t.xdotaccent = 0x1e8b;
+  t.xeharmenian = 0x056d;
+  t.xi = 0x03be;
+  t.xmonospace = 0xff58;
+  t.xparen = 0x24b3;
+  t.xsuperior = 0x02e3;
+  t.y = 0x0079;
+  t.yaadosquare = 0x334e;
+  t.yabengali = 0x09af;
+  t.yacute = 0x00fd;
+  t.yadeva = 0x092f;
+  t.yaekorean = 0x3152;
+  t.yagujarati = 0x0aaf;
+  t.yagurmukhi = 0x0a2f;
+  t.yahiragana = 0x3084;
+  t.yakatakana = 0x30e4;
+  t.yakatakanahalfwidth = 0xff94;
+  t.yakorean = 0x3151;
+  t.yamakkanthai = 0x0e4e;
+  t.yasmallhiragana = 0x3083;
+  t.yasmallkatakana = 0x30e3;
+  t.yasmallkatakanahalfwidth = 0xff6c;
+  t.yatcyrillic = 0x0463;
+  t.ycircle = 0x24e8;
+  t.ycircumflex = 0x0177;
+  t.ydieresis = 0x00ff;
+  t.ydotaccent = 0x1e8f;
+  t.ydotbelow = 0x1ef5;
+  t.yeharabic = 0x064a;
+  t.yehbarreearabic = 0x06d2;
+  t.yehbarreefinalarabic = 0xfbaf;
+  t.yehfinalarabic = 0xfef2;
+  t.yehhamzaabovearabic = 0x0626;
+  t.yehhamzaabovefinalarabic = 0xfe8a;
+  t.yehhamzaaboveinitialarabic = 0xfe8b;
+  t.yehhamzaabovemedialarabic = 0xfe8c;
+  t.yehinitialarabic = 0xfef3;
+  t.yehmedialarabic = 0xfef4;
+  t.yehmeeminitialarabic = 0xfcdd;
+  t.yehmeemisolatedarabic = 0xfc58;
+  t.yehnoonfinalarabic = 0xfc94;
+  t.yehthreedotsbelowarabic = 0x06d1;
+  t.yekorean = 0x3156;
+  t.yen = 0x00a5;
+  t.yenmonospace = 0xffe5;
+  t.yeokorean = 0x3155;
+  t.yeorinhieuhkorean = 0x3186;
+  t.yerahbenyomohebrew = 0x05aa;
+  t.yerahbenyomolefthebrew = 0x05aa;
+  t.yericyrillic = 0x044b;
+  t.yerudieresiscyrillic = 0x04f9;
+  t.yesieungkorean = 0x3181;
+  t.yesieungpansioskorean = 0x3183;
+  t.yesieungsioskorean = 0x3182;
+  t.yetivhebrew = 0x059a;
+  t.ygrave = 0x1ef3;
+  t.yhook = 0x01b4;
+  t.yhookabove = 0x1ef7;
+  t.yiarmenian = 0x0575;
+  t.yicyrillic = 0x0457;
+  t.yikorean = 0x3162;
+  t.yinyang = 0x262f;
+  t.yiwnarmenian = 0x0582;
+  t.ymonospace = 0xff59;
+  t.yod = 0x05d9;
+  t.yoddagesh = 0xfb39;
+  t.yoddageshhebrew = 0xfb39;
+  t.yodhebrew = 0x05d9;
+  t.yodyodhebrew = 0x05f2;
+  t.yodyodpatahhebrew = 0xfb1f;
+  t.yohiragana = 0x3088;
+  t.yoikorean = 0x3189;
+  t.yokatakana = 0x30e8;
+  t.yokatakanahalfwidth = 0xff96;
+  t.yokorean = 0x315b;
+  t.yosmallhiragana = 0x3087;
+  t.yosmallkatakana = 0x30e7;
+  t.yosmallkatakanahalfwidth = 0xff6e;
+  t.yotgreek = 0x03f3;
+  t.yoyaekorean = 0x3188;
+  t.yoyakorean = 0x3187;
+  t.yoyakthai = 0x0e22;
+  t.yoyingthai = 0x0e0d;
+  t.yparen = 0x24b4;
+  t.ypogegrammeni = 0x037a;
+  t.ypogegrammenigreekcmb = 0x0345;
+  t.yr = 0x01a6;
+  t.yring = 0x1e99;
+  t.ysuperior = 0x02b8;
+  t.ytilde = 0x1ef9;
+  t.yturned = 0x028e;
+  t.yuhiragana = 0x3086;
+  t.yuikorean = 0x318c;
+  t.yukatakana = 0x30e6;
+  t.yukatakanahalfwidth = 0xff95;
+  t.yukorean = 0x3160;
+  t.yusbigcyrillic = 0x046b;
+  t.yusbigiotifiedcyrillic = 0x046d;
+  t.yuslittlecyrillic = 0x0467;
+  t.yuslittleiotifiedcyrillic = 0x0469;
+  t.yusmallhiragana = 0x3085;
+  t.yusmallkatakana = 0x30e5;
+  t.yusmallkatakanahalfwidth = 0xff6d;
+  t.yuyekorean = 0x318b;
+  t.yuyeokorean = 0x318a;
+  t.yyabengali = 0x09df;
+  t.yyadeva = 0x095f;
+  t.z = 0x007a;
+  t.zaarmenian = 0x0566;
+  t.zacute = 0x017a;
+  t.zadeva = 0x095b;
+  t.zagurmukhi = 0x0a5b;
+  t.zaharabic = 0x0638;
+  t.zahfinalarabic = 0xfec6;
+  t.zahinitialarabic = 0xfec7;
+  t.zahiragana = 0x3056;
+  t.zahmedialarabic = 0xfec8;
+  t.zainarabic = 0x0632;
+  t.zainfinalarabic = 0xfeb0;
+  t.zakatakana = 0x30b6;
+  t.zaqefgadolhebrew = 0x0595;
+  t.zaqefqatanhebrew = 0x0594;
+  t.zarqahebrew = 0x0598;
+  t.zayin = 0x05d6;
+  t.zayindagesh = 0xfb36;
+  t.zayindageshhebrew = 0xfb36;
+  t.zayinhebrew = 0x05d6;
+  t.zbopomofo = 0x3117;
+  t.zcaron = 0x017e;
+  t.zcircle = 0x24e9;
+  t.zcircumflex = 0x1e91;
+  t.zcurl = 0x0291;
+  t.zdot = 0x017c;
+  t.zdotaccent = 0x017c;
+  t.zdotbelow = 0x1e93;
+  t.zecyrillic = 0x0437;
+  t.zedescendercyrillic = 0x0499;
+  t.zedieresiscyrillic = 0x04df;
+  t.zehiragana = 0x305c;
+  t.zekatakana = 0x30bc;
+  t.zero = 0x0030;
+  t.zeroarabic = 0x0660;
+  t.zerobengali = 0x09e6;
+  t.zerodeva = 0x0966;
+  t.zerogujarati = 0x0ae6;
+  t.zerogurmukhi = 0x0a66;
+  t.zerohackarabic = 0x0660;
+  t.zeroinferior = 0x2080;
+  t.zeromonospace = 0xff10;
+  t.zerooldstyle = 0xf730;
+  t.zeropersian = 0x06f0;
+  t.zerosuperior = 0x2070;
+  t.zerothai = 0x0e50;
+  t.zerowidthjoiner = 0xfeff;
+  t.zerowidthnonjoiner = 0x200c;
+  t.zerowidthspace = 0x200b;
+  t.zeta = 0x03b6;
+  t.zhbopomofo = 0x3113;
+  t.zhearmenian = 0x056a;
+  t.zhebrevecyrillic = 0x04c2;
+  t.zhecyrillic = 0x0436;
+  t.zhedescendercyrillic = 0x0497;
+  t.zhedieresiscyrillic = 0x04dd;
+  t.zihiragana = 0x3058;
+  t.zikatakana = 0x30b8;
+  t.zinorhebrew = 0x05ae;
+  t.zlinebelow = 0x1e95;
+  t.zmonospace = 0xff5a;
+  t.zohiragana = 0x305e;
+  t.zokatakana = 0x30be;
+  t.zparen = 0x24b5;
+  t.zretroflexhook = 0x0290;
+  t.zstroke = 0x01b6;
+  t.zuhiragana = 0x305a;
+  t.zukatakana = 0x30ba;
+  t[".notdef"] = 0x0000;
+  t.angbracketleftbig = 0x2329;
+  t.angbracketleftBig = 0x2329;
+  t.angbracketleftbigg = 0x2329;
+  t.angbracketleftBigg = 0x2329;
+  t.angbracketrightBig = 0x232a;
+  t.angbracketrightbig = 0x232a;
+  t.angbracketrightBigg = 0x232a;
+  t.angbracketrightbigg = 0x232a;
+  t.arrowhookleft = 0x21aa;
+  t.arrowhookright = 0x21a9;
+  t.arrowlefttophalf = 0x21bc;
+  t.arrowleftbothalf = 0x21bd;
+  t.arrownortheast = 0x2197;
+  t.arrownorthwest = 0x2196;
+  t.arrowrighttophalf = 0x21c0;
+  t.arrowrightbothalf = 0x21c1;
+  t.arrowsoutheast = 0x2198;
+  t.arrowsouthwest = 0x2199;
+  t.backslashbig = 0x2216;
+  t.backslashBig = 0x2216;
+  t.backslashBigg = 0x2216;
+  t.backslashbigg = 0x2216;
+  t.bardbl = 0x2016;
+  t.bracehtipdownleft = 0xfe37;
+  t.bracehtipdownright = 0xfe37;
+  t.bracehtipupleft = 0xfe38;
+  t.bracehtipupright = 0xfe38;
+  t.braceleftBig = 0x007b;
+  t.braceleftbig = 0x007b;
+  t.braceleftbigg = 0x007b;
+  t.braceleftBigg = 0x007b;
+  t.bracerightBig = 0x007d;
+  t.bracerightbig = 0x007d;
+  t.bracerightbigg = 0x007d;
+  t.bracerightBigg = 0x007d;
+  t.bracketleftbig = 0x005b;
+  t.bracketleftBig = 0x005b;
+  t.bracketleftbigg = 0x005b;
+  t.bracketleftBigg = 0x005b;
+  t.bracketrightBig = 0x005d;
+  t.bracketrightbig = 0x005d;
+  t.bracketrightbigg = 0x005d;
+  t.bracketrightBigg = 0x005d;
+  t.ceilingleftbig = 0x2308;
+  t.ceilingleftBig = 0x2308;
+  t.ceilingleftBigg = 0x2308;
+  t.ceilingleftbigg = 0x2308;
+  t.ceilingrightbig = 0x2309;
+  t.ceilingrightBig = 0x2309;
+  t.ceilingrightbigg = 0x2309;
+  t.ceilingrightBigg = 0x2309;
+  t.circledotdisplay = 0x2299;
+  t.circledottext = 0x2299;
+  t.circlemultiplydisplay = 0x2297;
+  t.circlemultiplytext = 0x2297;
+  t.circleplusdisplay = 0x2295;
+  t.circleplustext = 0x2295;
+  t.contintegraldisplay = 0x222e;
+  t.contintegraltext = 0x222e;
+  t.coproductdisplay = 0x2210;
+  t.coproducttext = 0x2210;
+  t.floorleftBig = 0x230a;
+  t.floorleftbig = 0x230a;
+  t.floorleftbigg = 0x230a;
+  t.floorleftBigg = 0x230a;
+  t.floorrightbig = 0x230b;
+  t.floorrightBig = 0x230b;
+  t.floorrightBigg = 0x230b;
+  t.floorrightbigg = 0x230b;
+  t.hatwide = 0x0302;
+  t.hatwider = 0x0302;
+  t.hatwidest = 0x0302;
+  t.intercal = 0x1d40;
+  t.integraldisplay = 0x222b;
+  t.integraltext = 0x222b;
+  t.intersectiondisplay = 0x22c2;
+  t.intersectiontext = 0x22c2;
+  t.logicalanddisplay = 0x2227;
+  t.logicalandtext = 0x2227;
+  t.logicalordisplay = 0x2228;
+  t.logicalortext = 0x2228;
+  t.parenleftBig = 0x0028;
+  t.parenleftbig = 0x0028;
+  t.parenleftBigg = 0x0028;
+  t.parenleftbigg = 0x0028;
+  t.parenrightBig = 0x0029;
+  t.parenrightbig = 0x0029;
+  t.parenrightBigg = 0x0029;
+  t.parenrightbigg = 0x0029;
+  t.prime = 0x2032;
+  t.productdisplay = 0x220f;
+  t.producttext = 0x220f;
+  t.radicalbig = 0x221a;
+  t.radicalBig = 0x221a;
+  t.radicalBigg = 0x221a;
+  t.radicalbigg = 0x221a;
+  t.radicalbt = 0x221a;
+  t.radicaltp = 0x221a;
+  t.radicalvertex = 0x221a;
+  t.slashbig = 0x002f;
+  t.slashBig = 0x002f;
+  t.slashBigg = 0x002f;
+  t.slashbigg = 0x002f;
+  t.summationdisplay = 0x2211;
+  t.summationtext = 0x2211;
+  t.tildewide = 0x02dc;
+  t.tildewider = 0x02dc;
+  t.tildewidest = 0x02dc;
+  t.uniondisplay = 0x22c3;
+  t.unionmultidisplay = 0x228e;
+  t.unionmultitext = 0x228e;
+  t.unionsqdisplay = 0x2294;
+  t.unionsqtext = 0x2294;
+  t.uniontext = 0x22c3;
+  t.vextenddouble = 0x2225;
+  t.vextendsingle = 0x2223;
+});
+var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {
+  t.space = 0x0020;
+  t.a1 = 0x2701;
+  t.a2 = 0x2702;
+  t.a202 = 0x2703;
+  t.a3 = 0x2704;
+  t.a4 = 0x260e;
+  t.a5 = 0x2706;
+  t.a119 = 0x2707;
+  t.a118 = 0x2708;
+  t.a117 = 0x2709;
+  t.a11 = 0x261b;
+  t.a12 = 0x261e;
+  t.a13 = 0x270c;
+  t.a14 = 0x270d;
+  t.a15 = 0x270e;
+  t.a16 = 0x270f;
+  t.a105 = 0x2710;
+  t.a17 = 0x2711;
+  t.a18 = 0x2712;
+  t.a19 = 0x2713;
+  t.a20 = 0x2714;
+  t.a21 = 0x2715;
+  t.a22 = 0x2716;
+  t.a23 = 0x2717;
+  t.a24 = 0x2718;
+  t.a25 = 0x2719;
+  t.a26 = 0x271a;
+  t.a27 = 0x271b;
+  t.a28 = 0x271c;
+  t.a6 = 0x271d;
+  t.a7 = 0x271e;
+  t.a8 = 0x271f;
+  t.a9 = 0x2720;
+  t.a10 = 0x2721;
+  t.a29 = 0x2722;
+  t.a30 = 0x2723;
+  t.a31 = 0x2724;
+  t.a32 = 0x2725;
+  t.a33 = 0x2726;
+  t.a34 = 0x2727;
+  t.a35 = 0x2605;
+  t.a36 = 0x2729;
+  t.a37 = 0x272a;
+  t.a38 = 0x272b;
+  t.a39 = 0x272c;
+  t.a40 = 0x272d;
+  t.a41 = 0x272e;
+  t.a42 = 0x272f;
+  t.a43 = 0x2730;
+  t.a44 = 0x2731;
+  t.a45 = 0x2732;
+  t.a46 = 0x2733;
+  t.a47 = 0x2734;
+  t.a48 = 0x2735;
+  t.a49 = 0x2736;
+  t.a50 = 0x2737;
+  t.a51 = 0x2738;
+  t.a52 = 0x2739;
+  t.a53 = 0x273a;
+  t.a54 = 0x273b;
+  t.a55 = 0x273c;
+  t.a56 = 0x273d;
+  t.a57 = 0x273e;
+  t.a58 = 0x273f;
+  t.a59 = 0x2740;
+  t.a60 = 0x2741;
+  t.a61 = 0x2742;
+  t.a62 = 0x2743;
+  t.a63 = 0x2744;
+  t.a64 = 0x2745;
+  t.a65 = 0x2746;
+  t.a66 = 0x2747;
+  t.a67 = 0x2748;
+  t.a68 = 0x2749;
+  t.a69 = 0x274a;
+  t.a70 = 0x274b;
+  t.a71 = 0x25cf;
+  t.a72 = 0x274d;
+  t.a73 = 0x25a0;
+  t.a74 = 0x274f;
+  t.a203 = 0x2750;
+  t.a75 = 0x2751;
+  t.a204 = 0x2752;
+  t.a76 = 0x25b2;
+  t.a77 = 0x25bc;
+  t.a78 = 0x25c6;
+  t.a79 = 0x2756;
+  t.a81 = 0x25d7;
+  t.a82 = 0x2758;
+  t.a83 = 0x2759;
+  t.a84 = 0x275a;
+  t.a97 = 0x275b;
+  t.a98 = 0x275c;
+  t.a99 = 0x275d;
+  t.a100 = 0x275e;
+  t.a101 = 0x2761;
+  t.a102 = 0x2762;
+  t.a103 = 0x2763;
+  t.a104 = 0x2764;
+  t.a106 = 0x2765;
+  t.a107 = 0x2766;
+  t.a108 = 0x2767;
+  t.a112 = 0x2663;
+  t.a111 = 0x2666;
+  t.a110 = 0x2665;
+  t.a109 = 0x2660;
+  t.a120 = 0x2460;
+  t.a121 = 0x2461;
+  t.a122 = 0x2462;
+  t.a123 = 0x2463;
+  t.a124 = 0x2464;
+  t.a125 = 0x2465;
+  t.a126 = 0x2466;
+  t.a127 = 0x2467;
+  t.a128 = 0x2468;
+  t.a129 = 0x2469;
+  t.a130 = 0x2776;
+  t.a131 = 0x2777;
+  t.a132 = 0x2778;
+  t.a133 = 0x2779;
+  t.a134 = 0x277a;
+  t.a135 = 0x277b;
+  t.a136 = 0x277c;
+  t.a137 = 0x277d;
+  t.a138 = 0x277e;
+  t.a139 = 0x277f;
+  t.a140 = 0x2780;
+  t.a141 = 0x2781;
+  t.a142 = 0x2782;
+  t.a143 = 0x2783;
+  t.a144 = 0x2784;
+  t.a145 = 0x2785;
+  t.a146 = 0x2786;
+  t.a147 = 0x2787;
+  t.a148 = 0x2788;
+  t.a149 = 0x2789;
+  t.a150 = 0x278a;
+  t.a151 = 0x278b;
+  t.a152 = 0x278c;
+  t.a153 = 0x278d;
+  t.a154 = 0x278e;
+  t.a155 = 0x278f;
+  t.a156 = 0x2790;
+  t.a157 = 0x2791;
+  t.a158 = 0x2792;
+  t.a159 = 0x2793;
+  t.a160 = 0x2794;
+  t.a161 = 0x2192;
+  t.a163 = 0x2194;
+  t.a164 = 0x2195;
+  t.a196 = 0x2798;
+  t.a165 = 0x2799;
+  t.a192 = 0x279a;
+  t.a166 = 0x279b;
+  t.a167 = 0x279c;
+  t.a168 = 0x279d;
+  t.a169 = 0x279e;
+  t.a170 = 0x279f;
+  t.a171 = 0x27a0;
+  t.a172 = 0x27a1;
+  t.a173 = 0x27a2;
+  t.a162 = 0x27a3;
+  t.a174 = 0x27a4;
+  t.a175 = 0x27a5;
+  t.a176 = 0x27a6;
+  t.a177 = 0x27a7;
+  t.a178 = 0x27a8;
+  t.a179 = 0x27a9;
+  t.a193 = 0x27aa;
+  t.a180 = 0x27ab;
+  t.a199 = 0x27ac;
+  t.a181 = 0x27ad;
+  t.a200 = 0x27ae;
+  t.a182 = 0x27af;
+  t.a201 = 0x27b1;
+  t.a183 = 0x27b2;
+  t.a184 = 0x27b3;
+  t.a197 = 0x27b4;
+  t.a185 = 0x27b5;
+  t.a194 = 0x27b6;
+  t.a198 = 0x27b7;
+  t.a186 = 0x27b8;
+  t.a195 = 0x27b9;
+  t.a187 = 0x27ba;
+  t.a188 = 0x27bb;
+  t.a189 = 0x27bc;
+  t.a190 = 0x27bd;
+  t.a191 = 0x27be;
+  t.a89 = 0x2768;
+  t.a90 = 0x2769;
+  t.a93 = 0x276a;
+  t.a94 = 0x276b;
+  t.a91 = 0x276c;
+  t.a92 = 0x276d;
+  t.a205 = 0x276e;
+  t.a85 = 0x276f;
+  t.a206 = 0x2770;
+  t.a86 = 0x2771;
+  t.a87 = 0x2772;
+  t.a88 = 0x2773;
+  t.a95 = 0x2774;
+  t.a96 = 0x2775;
+  t[".notdef"] = 0x0000;
+});
+exports.getGlyphsUnicode = getGlyphsUnicode;
+exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/image.js b/node_modules/pdfjs-dist/lib/core/image.js
new file mode 100644
index 00000000..f3b3e0d5
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/image.js
@@ -0,0 +1,689 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFImage = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _colorspace = require("./colorspace.js");
+
+var _stream = require("./stream.js");
+
+var _jpeg_stream = require("./jpeg_stream.js");
+
+var _jpx = require("./jpx.js");
+
+function decodeAndClamp(value, addend, coefficient, max) {
+  value = addend + value * coefficient;
+
+  if (value < 0) {
+    value = 0;
+  } else if (value > max) {
+    value = max;
+  }
+
+  return value;
+}
+
+function resizeImageMask(src, bpc, w1, h1, w2, h2) {
+  var length = w2 * h2;
+  let dest;
+
+  if (bpc <= 8) {
+    dest = new Uint8Array(length);
+  } else if (bpc <= 16) {
+    dest = new Uint16Array(length);
+  } else {
+    dest = new Uint32Array(length);
+  }
+
+  var xRatio = w1 / w2;
+  var yRatio = h1 / h2;
+  var i,
+      j,
+      py,
+      newIndex = 0,
+      oldIndex;
+  var xScaled = new Uint16Array(w2);
+  var w1Scanline = w1;
+
+  for (i = 0; i < w2; i++) {
+    xScaled[i] = Math.floor(i * xRatio);
+  }
+
+  for (i = 0; i < h2; i++) {
+    py = Math.floor(i * yRatio) * w1Scanline;
+
+    for (j = 0; j < w2; j++) {
+      oldIndex = py + xScaled[j];
+      dest[newIndex++] = src[oldIndex];
+    }
+  }
+
+  return dest;
+}
+
+class PDFImage {
+  constructor({
+    xref,
+    res,
+    image,
+    isInline = false,
+    smask = null,
+    mask = null,
+    isMask = false,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    this.image = image;
+    var dict = image.dict;
+    const filter = dict.get("Filter");
+
+    if ((0, _primitives.isName)(filter)) {
+      switch (filter.name) {
+        case "JPXDecode":
+          var jpxImage = new _jpx.JpxImage();
+          jpxImage.parseImageProperties(image.stream);
+          image.stream.reset();
+          image.width = jpxImage.width;
+          image.height = jpxImage.height;
+          image.bitsPerComponent = jpxImage.bitsPerComponent;
+          image.numComps = jpxImage.componentsCount;
+          break;
+
+        case "JBIG2Decode":
+          image.bitsPerComponent = 1;
+          image.numComps = 1;
+          break;
+      }
+    }
+
+    let width = dict.get("Width", "W");
+    let height = dict.get("Height", "H");
+
+    if (Number.isInteger(image.width) && image.width > 0 && Number.isInteger(image.height) && image.height > 0 && (image.width !== width || image.height !== height)) {
+      (0, _util.warn)("PDFImage - using the Width/Height of the image data, " + "rather than the image dictionary.");
+      width = image.width;
+      height = image.height;
+    }
+
+    if (width < 1 || height < 1) {
+      throw new _util.FormatError(`Invalid image width: ${width} or height: ${height}`);
+    }
+
+    this.width = width;
+    this.height = height;
+    this.interpolate = dict.get("Interpolate", "I") || false;
+    this.imageMask = dict.get("ImageMask", "IM") || false;
+    this.matte = dict.get("Matte") || false;
+    var bitsPerComponent = image.bitsPerComponent;
+
+    if (!bitsPerComponent) {
+      bitsPerComponent = dict.get("BitsPerComponent", "BPC");
+
+      if (!bitsPerComponent) {
+        if (this.imageMask) {
+          bitsPerComponent = 1;
+        } else {
+          throw new _util.FormatError(`Bits per component missing in image: ${this.imageMask}`);
+        }
+      }
+    }
+
+    this.bpc = bitsPerComponent;
+
+    if (!this.imageMask) {
+      let colorSpace = dict.getRaw("ColorSpace") || dict.getRaw("CS");
+
+      if (!colorSpace) {
+        (0, _util.info)("JPX images (which do not require color spaces)");
+
+        switch (image.numComps) {
+          case 1:
+            colorSpace = _primitives.Name.get("DeviceGray");
+            break;
+
+          case 3:
+            colorSpace = _primitives.Name.get("DeviceRGB");
+            break;
+
+          case 4:
+            colorSpace = _primitives.Name.get("DeviceCMYK");
+            break;
+
+          default:
+            throw new Error(`JPX images with ${image.numComps} ` + "color components not supported.");
+        }
+      }
+
+      this.colorSpace = _colorspace.ColorSpace.parse({
+        cs: colorSpace,
+        xref,
+        resources: isInline ? res : null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+      this.numComps = this.colorSpace.numComps;
+    }
+
+    this.decode = dict.getArray("Decode", "D");
+    this.needsDecode = false;
+
+    if (this.decode && (this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode, bitsPerComponent) || isMask && !_colorspace.ColorSpace.isDefaultDecode(this.decode, 1))) {
+      this.needsDecode = true;
+      var max = (1 << bitsPerComponent) - 1;
+      this.decodeCoefficients = [];
+      this.decodeAddends = [];
+      const isIndexed = this.colorSpace && this.colorSpace.name === "Indexed";
+
+      for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) {
+        var dmin = this.decode[i];
+        var dmax = this.decode[i + 1];
+        this.decodeCoefficients[j] = isIndexed ? (dmax - dmin) / max : dmax - dmin;
+        this.decodeAddends[j] = isIndexed ? dmin : max * dmin;
+      }
+    }
+
+    if (smask) {
+      this.smask = new PDFImage({
+        xref,
+        res,
+        image: smask,
+        isInline,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+    } else if (mask) {
+      if ((0, _primitives.isStream)(mask)) {
+        var maskDict = mask.dict,
+            imageMask = maskDict.get("ImageMask", "IM");
+
+        if (!imageMask) {
+          (0, _util.warn)("Ignoring /Mask in image without /ImageMask.");
+        } else {
+          this.mask = new PDFImage({
+            xref,
+            res,
+            image: mask,
+            isInline,
+            isMask: true,
+            pdfFunctionFactory,
+            localColorSpaceCache
+          });
+        }
+      } else {
+        this.mask = mask;
+      }
+    }
+  }
+
+  static async buildImage({
+    xref,
+    res,
+    image,
+    isInline = false,
+    pdfFunctionFactory,
+    localColorSpaceCache
+  }) {
+    const imageData = image;
+    let smaskData = null;
+    let maskData = null;
+    const smask = image.dict.get("SMask");
+    const mask = image.dict.get("Mask");
+
+    if (smask) {
+      smaskData = smask;
+    } else if (mask) {
+      if ((0, _primitives.isStream)(mask) || Array.isArray(mask)) {
+        maskData = mask;
+      } else {
+        (0, _util.warn)("Unsupported mask format.");
+      }
+    }
+
+    return new PDFImage({
+      xref,
+      res,
+      image: imageData,
+      isInline,
+      smask: smaskData,
+      mask: maskData,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+  }
+
+  static createMask({
+    imgArray,
+    width,
+    height,
+    imageIsFromDecodeStream,
+    inverseDecode
+  }) {
+    var computedLength = (width + 7 >> 3) * height;
+    var actualLength = imgArray.byteLength;
+    var haveFullData = computedLength === actualLength;
+    var data, i;
+
+    if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) {
+      data = imgArray;
+    } else if (!inverseDecode) {
+      data = new Uint8ClampedArray(actualLength);
+      data.set(imgArray);
+    } else {
+      data = new Uint8ClampedArray(computedLength);
+      data.set(imgArray);
+
+      for (i = actualLength; i < computedLength; i++) {
+        data[i] = 0xff;
+      }
+    }
+
+    if (inverseDecode) {
+      for (i = 0; i < actualLength; i++) {
+        data[i] ^= 0xff;
+      }
+    }
+
+    return {
+      data,
+      width,
+      height
+    };
+  }
+
+  get drawWidth() {
+    return Math.max(this.width, this.smask && this.smask.width || 0, this.mask && this.mask.width || 0);
+  }
+
+  get drawHeight() {
+    return Math.max(this.height, this.smask && this.smask.height || 0, this.mask && this.mask.height || 0);
+  }
+
+  decodeBuffer(buffer) {
+    var bpc = this.bpc;
+    var numComps = this.numComps;
+    var decodeAddends = this.decodeAddends;
+    var decodeCoefficients = this.decodeCoefficients;
+    var max = (1 << bpc) - 1;
+    var i, ii;
+
+    if (bpc === 1) {
+      for (i = 0, ii = buffer.length; i < ii; i++) {
+        buffer[i] = +!buffer[i];
+      }
+
+      return;
+    }
+
+    var index = 0;
+
+    for (i = 0, ii = this.width * this.height; i < ii; i++) {
+      for (var j = 0; j < numComps; j++) {
+        buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], decodeCoefficients[j], max);
+        index++;
+      }
+    }
+  }
+
+  getComponents(buffer) {
+    var bpc = this.bpc;
+
+    if (bpc === 8) {
+      return buffer;
+    }
+
+    var width = this.width;
+    var height = this.height;
+    var numComps = this.numComps;
+    var length = width * height * numComps;
+    var bufferPos = 0;
+    let output;
+
+    if (bpc <= 8) {
+      output = new Uint8Array(length);
+    } else if (bpc <= 16) {
+      output = new Uint16Array(length);
+    } else {
+      output = new Uint32Array(length);
+    }
+
+    var rowComps = width * numComps;
+    var max = (1 << bpc) - 1;
+    var i = 0,
+        ii,
+        buf;
+
+    if (bpc === 1) {
+      var mask, loop1End, loop2End;
+
+      for (var j = 0; j < height; j++) {
+        loop1End = i + (rowComps & ~7);
+        loop2End = i + rowComps;
+
+        while (i < loop1End) {
+          buf = buffer[bufferPos++];
+          output[i] = buf >> 7 & 1;
+          output[i + 1] = buf >> 6 & 1;
+          output[i + 2] = buf >> 5 & 1;
+          output[i + 3] = buf >> 4 & 1;
+          output[i + 4] = buf >> 3 & 1;
+          output[i + 5] = buf >> 2 & 1;
+          output[i + 6] = buf >> 1 & 1;
+          output[i + 7] = buf & 1;
+          i += 8;
+        }
+
+        if (i < loop2End) {
+          buf = buffer[bufferPos++];
+          mask = 128;
+
+          while (i < loop2End) {
+            output[i++] = +!!(buf & mask);
+            mask >>= 1;
+          }
+        }
+      }
+    } else {
+      var bits = 0;
+      buf = 0;
+
+      for (i = 0, ii = length; i < ii; ++i) {
+        if (i % rowComps === 0) {
+          buf = 0;
+          bits = 0;
+        }
+
+        while (bits < bpc) {
+          buf = buf << 8 | buffer[bufferPos++];
+          bits += 8;
+        }
+
+        var remainingBits = bits - bpc;
+        let value = buf >> remainingBits;
+
+        if (value < 0) {
+          value = 0;
+        } else if (value > max) {
+          value = max;
+        }
+
+        output[i] = value;
+        buf = buf & (1 << remainingBits) - 1;
+        bits = remainingBits;
+      }
+    }
+
+    return output;
+  }
+
+  fillOpacity(rgbaBuf, width, height, actualHeight, image) {
+    var smask = this.smask;
+    var mask = this.mask;
+    var alphaBuf, sw, sh, i, ii, j;
+
+    if (smask) {
+      sw = smask.width;
+      sh = smask.height;
+      alphaBuf = new Uint8ClampedArray(sw * sh);
+      smask.fillGrayBuffer(alphaBuf);
+
+      if (sw !== width || sh !== height) {
+        alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height);
+      }
+    } else if (mask) {
+      if (mask instanceof PDFImage) {
+        sw = mask.width;
+        sh = mask.height;
+        alphaBuf = new Uint8ClampedArray(sw * sh);
+        mask.numComps = 1;
+        mask.fillGrayBuffer(alphaBuf);
+
+        for (i = 0, ii = sw * sh; i < ii; ++i) {
+          alphaBuf[i] = 255 - alphaBuf[i];
+        }
+
+        if (sw !== width || sh !== height) {
+          alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height);
+        }
+      } else if (Array.isArray(mask)) {
+        alphaBuf = new Uint8ClampedArray(width * height);
+        var numComps = this.numComps;
+
+        for (i = 0, ii = width * height; i < ii; ++i) {
+          var opacity = 0;
+          var imageOffset = i * numComps;
+
+          for (j = 0; j < numComps; ++j) {
+            var color = image[imageOffset + j];
+            var maskOffset = j * 2;
+
+            if (color < mask[maskOffset] || color > mask[maskOffset + 1]) {
+              opacity = 255;
+              break;
+            }
+          }
+
+          alphaBuf[i] = opacity;
+        }
+      } else {
+        throw new _util.FormatError("Unknown mask format.");
+      }
+    }
+
+    if (alphaBuf) {
+      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+        rgbaBuf[j] = alphaBuf[i];
+      }
+    } else {
+      for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) {
+        rgbaBuf[j] = 255;
+      }
+    }
+  }
+
+  undoPreblend(buffer, width, height) {
+    var matte = this.smask && this.smask.matte;
+
+    if (!matte) {
+      return;
+    }
+
+    var matteRgb = this.colorSpace.getRgb(matte, 0);
+    var matteR = matteRgb[0];
+    var matteG = matteRgb[1];
+    var matteB = matteRgb[2];
+    var length = width * height * 4;
+
+    for (var i = 0; i < length; i += 4) {
+      var alpha = buffer[i + 3];
+
+      if (alpha === 0) {
+        buffer[i] = 255;
+        buffer[i + 1] = 255;
+        buffer[i + 2] = 255;
+        continue;
+      }
+
+      var k = 255 / alpha;
+      buffer[i] = (buffer[i] - matteR) * k + matteR;
+      buffer[i + 1] = (buffer[i + 1] - matteG) * k + matteG;
+      buffer[i + 2] = (buffer[i + 2] - matteB) * k + matteB;
+    }
+  }
+
+  createImageData(forceRGBA = false) {
+    var drawWidth = this.drawWidth;
+    var drawHeight = this.drawHeight;
+    var imgData = {
+      width: drawWidth,
+      height: drawHeight,
+      kind: 0,
+      data: null
+    };
+    var numComps = this.numComps;
+    var originalWidth = this.width;
+    var originalHeight = this.height;
+    var bpc = this.bpc;
+    var rowBytes = originalWidth * numComps * bpc + 7 >> 3;
+    var imgArray;
+
+    if (!forceRGBA) {
+      var kind;
+
+      if (this.colorSpace.name === "DeviceGray" && bpc === 1) {
+        kind = _util.ImageKind.GRAYSCALE_1BPP;
+      } else if (this.colorSpace.name === "DeviceRGB" && bpc === 8 && !this.needsDecode) {
+        kind = _util.ImageKind.RGB_24BPP;
+      }
+
+      if (kind && !this.smask && !this.mask && drawWidth === originalWidth && drawHeight === originalHeight) {
+        imgData.kind = kind;
+        imgArray = this.getImageBytes(originalHeight * rowBytes);
+
+        if (this.image instanceof _stream.DecodeStream) {
+          imgData.data = imgArray;
+        } else {
+          var newArray = new Uint8ClampedArray(imgArray.length);
+          newArray.set(imgArray);
+          imgData.data = newArray;
+        }
+
+        if (this.needsDecode) {
+          (0, _util.assert)(kind === _util.ImageKind.GRAYSCALE_1BPP, "PDFImage.createImageData: The image must be grayscale.");
+          var buffer = imgData.data;
+
+          for (var i = 0, ii = buffer.length; i < ii; i++) {
+            buffer[i] ^= 0xff;
+          }
+        }
+
+        return imgData;
+      }
+
+      if (this.image instanceof _jpeg_stream.JpegStream && !this.smask && !this.mask) {
+        let imageLength = originalHeight * rowBytes;
+
+        switch (this.colorSpace.name) {
+          case "DeviceGray":
+            imageLength *= 3;
+
+          case "DeviceRGB":
+          case "DeviceCMYK":
+            imgData.kind = _util.ImageKind.RGB_24BPP;
+            imgData.data = this.getImageBytes(imageLength, drawWidth, drawHeight, true);
+            return imgData;
+        }
+      }
+    }
+
+    imgArray = this.getImageBytes(originalHeight * rowBytes);
+    var actualHeight = 0 | imgArray.length / rowBytes * drawHeight / originalHeight;
+    var comps = this.getComponents(imgArray);
+    var alpha01, maybeUndoPreblend;
+
+    if (!forceRGBA && !this.smask && !this.mask) {
+      imgData.kind = _util.ImageKind.RGB_24BPP;
+      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 3);
+      alpha01 = 0;
+      maybeUndoPreblend = false;
+    } else {
+      imgData.kind = _util.ImageKind.RGBA_32BPP;
+      imgData.data = new Uint8ClampedArray(drawWidth * drawHeight * 4);
+      alpha01 = 1;
+      maybeUndoPreblend = true;
+      this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, comps);
+    }
+
+    if (this.needsDecode) {
+      this.decodeBuffer(comps);
+    }
+
+    this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, drawWidth, drawHeight, actualHeight, bpc, comps, alpha01);
+
+    if (maybeUndoPreblend) {
+      this.undoPreblend(imgData.data, drawWidth, actualHeight);
+    }
+
+    return imgData;
+  }
+
+  fillGrayBuffer(buffer) {
+    var numComps = this.numComps;
+
+    if (numComps !== 1) {
+      throw new _util.FormatError(`Reading gray scale from a color image: ${numComps}`);
+    }
+
+    var width = this.width;
+    var height = this.height;
+    var bpc = this.bpc;
+    var rowBytes = width * numComps * bpc + 7 >> 3;
+    var imgArray = this.getImageBytes(height * rowBytes);
+    var comps = this.getComponents(imgArray);
+    var i, length;
+
+    if (bpc === 1) {
+      length = width * height;
+
+      if (this.needsDecode) {
+        for (i = 0; i < length; ++i) {
+          buffer[i] = comps[i] - 1 & 255;
+        }
+      } else {
+        for (i = 0; i < length; ++i) {
+          buffer[i] = -comps[i] & 255;
+        }
+      }
+
+      return;
+    }
+
+    if (this.needsDecode) {
+      this.decodeBuffer(comps);
+    }
+
+    length = width * height;
+    var scale = 255 / ((1 << bpc) - 1);
+
+    for (i = 0; i < length; ++i) {
+      buffer[i] = scale * comps[i];
+    }
+  }
+
+  getImageBytes(length, drawWidth, drawHeight, forceRGB = false) {
+    this.image.reset();
+    this.image.drawWidth = drawWidth || this.width;
+    this.image.drawHeight = drawHeight || this.height;
+    this.image.forceRGB = !!forceRGB;
+    return this.image.getBytes(length, true);
+  }
+
+}
+
+exports.PDFImage = PDFImage;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/image_utils.js b/node_modules/pdfjs-dist/lib/core/image_utils.js
new file mode 100644
index 00000000..666b5f2b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/image_utils.js
@@ -0,0 +1,271 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalImageCache = exports.LocalGStateCache = exports.LocalFunctionCache = exports.LocalColorSpaceCache = exports.LocalImageCache = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+class BaseLocalCache {
+  constructor(options) {
+    if (this.constructor === BaseLocalCache) {
+      (0, _util.unreachable)("Cannot initialize BaseLocalCache.");
+    }
+
+    if (!options || !options.onlyRefs) {
+      this._nameRefMap = new Map();
+      this._imageMap = new Map();
+    }
+
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  getByName(name) {
+    const ref = this._nameRefMap.get(name);
+
+    if (ref) {
+      return this.getByRef(ref);
+    }
+
+    return this._imageMap.get(name) || null;
+  }
+
+  getByRef(ref) {
+    return this._imageCache.get(ref) || null;
+  }
+
+  set(name, ref, data) {
+    (0, _util.unreachable)("Abstract method `set` called.");
+  }
+
+}
+
+class LocalImageCache extends BaseLocalCache {
+  set(name, ref = null, data) {
+    if (!name) {
+      throw new Error('LocalImageCache.set - expected "name" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      this._nameRefMap.set(name, ref);
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalImageCache = LocalImageCache;
+
+class LocalColorSpaceCache extends BaseLocalCache {
+  set(name = null, ref = null, data) {
+    if (!name && !ref) {
+      throw new Error('LocalColorSpaceCache.set - expected "name" and/or "ref" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      if (name) {
+        this._nameRefMap.set(name, ref);
+      }
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalColorSpaceCache = LocalColorSpaceCache;
+
+class LocalFunctionCache extends BaseLocalCache {
+  constructor(options) {
+    super({
+      onlyRefs: true
+    });
+  }
+
+  getByName(name) {
+    (0, _util.unreachable)("Should not call `getByName` method.");
+  }
+
+  set(name = null, ref, data) {
+    if (!ref) {
+      throw new Error('LocalFunctionCache.set - expected "ref" argument.');
+    }
+
+    if (this._imageCache.has(ref)) {
+      return;
+    }
+
+    this._imageCache.put(ref, data);
+  }
+
+}
+
+exports.LocalFunctionCache = LocalFunctionCache;
+
+class LocalGStateCache extends BaseLocalCache {
+  set(name, ref = null, data) {
+    if (!name) {
+      throw new Error('LocalGStateCache.set - expected "name" argument.');
+    }
+
+    if (ref) {
+      if (this._imageCache.has(ref)) {
+        return;
+      }
+
+      this._nameRefMap.set(name, ref);
+
+      this._imageCache.put(ref, data);
+
+      return;
+    }
+
+    if (this._imageMap.has(name)) {
+      return;
+    }
+
+    this._imageMap.set(name, data);
+  }
+
+}
+
+exports.LocalGStateCache = LocalGStateCache;
+
+class GlobalImageCache {
+  static get NUM_PAGES_THRESHOLD() {
+    return (0, _util.shadow)(this, "NUM_PAGES_THRESHOLD", 2);
+  }
+
+  static get MAX_IMAGES_TO_CACHE() {
+    return (0, _util.shadow)(this, "MAX_IMAGES_TO_CACHE", 10);
+  }
+
+  constructor() {
+    this._refCache = new _primitives.RefSetCache();
+    this._imageCache = new _primitives.RefSetCache();
+  }
+
+  shouldCache(ref, pageIndex) {
+    const pageIndexSet = this._refCache.get(ref);
+
+    const numPages = pageIndexSet ? pageIndexSet.size + (pageIndexSet.has(pageIndex) ? 0 : 1) : 1;
+
+    if (numPages < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+      return false;
+    }
+
+    if (!this._imageCache.has(ref) && this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+      return false;
+    }
+
+    return true;
+  }
+
+  addPageIndex(ref, pageIndex) {
+    let pageIndexSet = this._refCache.get(ref);
+
+    if (!pageIndexSet) {
+      pageIndexSet = new Set();
+
+      this._refCache.put(ref, pageIndexSet);
+    }
+
+    pageIndexSet.add(pageIndex);
+  }
+
+  getData(ref, pageIndex) {
+    const pageIndexSet = this._refCache.get(ref);
+
+    if (!pageIndexSet) {
+      return null;
+    }
+
+    if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {
+      return null;
+    }
+
+    if (!this._imageCache.has(ref)) {
+      return null;
+    }
+
+    pageIndexSet.add(pageIndex);
+    return this._imageCache.get(ref);
+  }
+
+  setData(ref, data) {
+    if (!this._refCache.has(ref)) {
+      throw new Error('GlobalImageCache.setData - expected "addPageIndex" to have been called.');
+    }
+
+    if (this._imageCache.has(ref)) {
+      return;
+    }
+
+    if (this._imageCache.size >= GlobalImageCache.MAX_IMAGES_TO_CACHE) {
+      (0, _util.info)("GlobalImageCache.setData - ignoring image above MAX_IMAGES_TO_CACHE.");
+      return;
+    }
+
+    this._imageCache.put(ref, data);
+  }
+
+  clear(onlyData = false) {
+    if (!onlyData) {
+      this._refCache.clear();
+    }
+
+    this._imageCache.clear();
+  }
+
+}
+
+exports.GlobalImageCache = GlobalImageCache;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jbig2.js b/node_modules/pdfjs-dist/lib/core/jbig2.js
new file mode 100644
index 00000000..44025504
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jbig2.js
@@ -0,0 +1,2223 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Image = void 0;
+
+var _util = require("../shared/util.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _arithmetic_decoder = require("./arithmetic_decoder.js");
+
+var _ccitt = require("./ccitt.js");
+
+class Jbig2Error extends _util.BaseException {
+  constructor(msg) {
+    super(`JBIG2 error: ${msg}`);
+  }
+
+}
+
+var Jbig2Image = function Jbig2ImageClosure() {
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts(id) {
+      if (id in this) {
+        return this[id];
+      }
+
+      return this[id] = new Int8Array(1 << 16);
+    }
+
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
+      return (0, _util.shadow)(this, "decoder", decoder);
+    },
+
+    get contextCache() {
+      var cache = new ContextCache();
+      return (0, _util.shadow)(this, "contextCache", cache);
+    }
+
+  };
+
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+    var prev = 1;
+
+    function readBits(length) {
+      var v = 0;
+
+      for (var i = 0; i < length; i++) {
+        var bit = decoder.readBit(contexts, prev);
+        prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
+        v = v << 1 | bit;
+      }
+
+      return v >>> 0;
+    }
+
+    var sign = readBits(1);
+    var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
+
+    if (sign === 0) {
+      return value;
+    } else if (value > 0) {
+      return -value;
+    }
+
+    return null;
+  }
+
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts("IAID");
+    var prev = 1;
+
+    for (var i = 0; i < codeLength; i++) {
+      var bit = decoder.readBit(contexts, prev);
+      prev = prev << 1 | bit;
+    }
+
+    if (codeLength < 31) {
+      return prev & (1 << codeLength) - 1;
+    }
+
+    return prev & 0x7fffffff;
+  }
+
+  var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+  var CodingTemplates = [[{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: 2,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: 2,
+    y: -1
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -1,
+    y: -2
+  }, {
+    x: 0,
+    y: -2
+  }, {
+    x: 1,
+    y: -2
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }], [{
+    x: -3,
+    y: -1
+  }, {
+    x: -2,
+    y: -1
+  }, {
+    x: -1,
+    y: -1
+  }, {
+    x: 0,
+    y: -1
+  }, {
+    x: 1,
+    y: -1
+  }, {
+    x: -4,
+    y: 0
+  }, {
+    x: -3,
+    y: 0
+  }, {
+    x: -2,
+    y: 0
+  }, {
+    x: -1,
+    y: 0
+  }]];
+  var RefinementTemplates = [{
+    coding: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: -1,
+      y: 1
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }, {
+    coding: [{
+      x: -1,
+      y: -1
+    }, {
+      x: 0,
+      y: -1
+    }, {
+      x: 1,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }],
+    reference: [{
+      x: 0,
+      y: -1
+    }, {
+      x: -1,
+      y: 0
+    }, {
+      x: 0,
+      y: 0
+    }, {
+      x: 1,
+      y: 0
+    }, {
+      x: 0,
+      y: 1
+    }, {
+      x: 1,
+      y: 1
+    }]
+  }];
+  var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
+  var RefinementReusedContexts = [0x0020, 0x0008];
+
+  function decodeBitmapTemplate0(width, height, decodingContext) {
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var contextLabel,
+        i,
+        j,
+        pixel,
+        row,
+        row1,
+        row2,
+        bitmap = [];
+    var OLD_PIXEL_MASK = 0x7bf7;
+
+    for (i = 0; i < height; i++) {
+      row = bitmap[i] = new Uint8Array(width);
+      row1 = i < 1 ? row : bitmap[i - 1];
+      row2 = i < 2 ? row : bitmap[i - 2];
+      contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
+
+      for (j = 0; j < width; j++) {
+        row[j] = pixel = decoder.readBit(contexts, contextLabel);
+        contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
+    if (mmr) {
+      const input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+      return decodeMMRBitmap(input, width, height, false);
+    }
+
+    if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
+      return decodeBitmapTemplate0(width, height, decodingContext);
+    }
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    template.sort(function (a, b) {
+      return a.y - b.y || a.x - b.x;
+    });
+    var templateLength = template.length;
+    var templateX = new Int8Array(templateLength);
+    var templateY = new Int8Array(templateLength);
+    var changingTemplateEntries = [];
+    var reuseMask = 0,
+        minX = 0,
+        maxX = 0,
+        minY = 0;
+    var c, k;
+
+    for (k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+      minX = Math.min(minX, template[k].x);
+      maxX = Math.max(maxX, template[k].x);
+      minY = Math.min(minY, template[k].y);
+
+      if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
+        reuseMask |= 1 << templateLength - 1 - k;
+      } else {
+        changingTemplateEntries.push(k);
+      }
+    }
+
+    var changingEntriesLength = changingTemplateEntries.length;
+    var changingTemplateX = new Int8Array(changingEntriesLength);
+    var changingTemplateY = new Int8Array(changingEntriesLength);
+    var changingTemplateBit = new Uint16Array(changingEntriesLength);
+
+    for (c = 0; c < changingEntriesLength; c++) {
+      k = changingTemplateEntries[c];
+      changingTemplateX[c] = template[k].x;
+      changingTemplateY[c] = template[k].y;
+      changingTemplateBit[c] = 1 << templateLength - 1 - k;
+    }
+
+    var sbb_left = -minX;
+    var sbb_top = -minY;
+    var sbb_right = width - maxX;
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var row = new Uint8Array(width);
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GB");
+    var ltp = 0,
+        j,
+        i0,
+        j0,
+        contextLabel = 0,
+        bit,
+        shift;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          bitmap.push(row);
+          continue;
+        }
+      }
+
+      row = new Uint8Array(row);
+      bitmap.push(row);
+
+      for (j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+
+        if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
+          contextLabel = contextLabel << 1 & reuseMask;
+
+          for (k = 0; k < changingEntriesLength; k++) {
+            i0 = i + changingTemplateY[k];
+            j0 = j + changingTemplateX[k];
+            bit = bitmap[i0][j0];
+
+            if (bit) {
+              bit = changingTemplateBit[k];
+              contextLabel |= bit;
+            }
+          }
+        } else {
+          contextLabel = 0;
+          shift = templateLength - 1;
+
+          for (k = 0; k < templateLength; k++, shift--) {
+            j0 = j + templateX[k];
+
+            if (j0 >= 0 && j0 < width) {
+              i0 = i + templateY[k];
+
+              if (i0 >= 0) {
+                bit = bitmap[i0][j0];
+
+                if (bit) {
+                  contextLabel |= bit << shift;
+                }
+              }
+            }
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+
+    if (templateIndex === 0) {
+      codingTemplate = codingTemplate.concat([at[0]]);
+    }
+
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    var k;
+
+    for (k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+
+    if (templateIndex === 0) {
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    }
+
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+
+    for (k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts("GR");
+    var ltp = 0;
+
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var sltp = decoder.readBit(contexts, pseudoPixelContext);
+        ltp ^= sltp;
+
+        if (ltp) {
+          throw new Jbig2Error("prediction is not supported");
+        }
+      }
+
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (var j = 0; j < width; j++) {
+        var i0, j0;
+        var contextLabel = 0;
+
+        for (k = 0; k < codingTemplateLength; k++) {
+          i0 = i + codingTemplateY[k];
+          j0 = j + codingTemplateX[k];
+
+          if (i0 < 0 || j0 < 0 || j0 >= width) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | bitmap[i0][j0];
+          }
+        }
+
+        for (k = 0; k < referenceTemplateLength; k++) {
+          i0 = i + referenceTemplateY[k] - offsetY;
+          j0 = j + referenceTemplateX[k] - offsetX;
+
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
+            contextLabel <<= 1;
+          } else {
+            contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
+          }
+        }
+
+        var pixel = decoder.readBit(contexts, contextLabel);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("symbol refinement with Huffman is not supported");
+    }
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    let tableB1, symbolWidths;
+
+    if (huffman) {
+      tableB1 = getStandardTable(1);
+      symbolWidths = [];
+      symbolCodeLength = Math.max(symbolCodeLength, 1);
+    }
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
+      currentHeight += deltaHeight;
+      let currentWidth = 0,
+          totalWidth = 0;
+      const firstSymbol = huffman ? symbolWidths.length : 0;
+
+      while (true) {
+        var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
+
+        if (deltaWidth === null) {
+          break;
+        }
+
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+
+        if (refinement) {
+          var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
+
+          if (numberOfInstances > 1) {
+            bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
+          } else {
+            var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+            var rdx = decodeInteger(contextCache, "IARDX", decoder);
+            var rdy = decodeInteger(contextCache, "IARDY", decoder);
+            var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
+            bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
+          }
+
+          newSymbols.push(bitmap);
+        } else if (huffman) {
+          symbolWidths.push(currentWidth);
+        } else {
+          bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
+          newSymbols.push(bitmap);
+        }
+      }
+
+      if (huffman && !refinement) {
+        const bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
+        huffmanInput.byteAlign();
+        let collectiveBitmap;
+
+        if (bitmapSize === 0) {
+          collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
+        } else {
+          const originalEnd = huffmanInput.end;
+          const bitmapEnd = huffmanInput.position + bitmapSize;
+          huffmanInput.end = bitmapEnd;
+          collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
+          huffmanInput.end = originalEnd;
+          huffmanInput.position = bitmapEnd;
+        }
+
+        const numberOfSymbolsDecoded = symbolWidths.length;
+
+        if (firstSymbol === numberOfSymbolsDecoded - 1) {
+          newSymbols.push(collectiveBitmap);
+        } else {
+          let i,
+              y,
+              xMin = 0,
+              xMax,
+              bitmapWidth,
+              symbolBitmap;
+
+          for (i = firstSymbol; i < numberOfSymbolsDecoded; i++) {
+            bitmapWidth = symbolWidths[i];
+            xMax = xMin + bitmapWidth;
+            symbolBitmap = [];
+
+            for (y = 0; y < currentHeight; y++) {
+              symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+            }
+
+            newSymbols.push(symbolBitmap);
+            xMin = xMax;
+          }
+        }
+      }
+    }
+
+    var exportedSymbols = [];
+    var flags = [],
+        currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+
+    while (flags.length < totalSymbolsLength) {
+      var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
+
+      while (runLength--) {
+        flags.push(currentFlag);
+      }
+
+      currentFlag = !currentFlag;
+    }
+
+    for (var i = 0, ii = symbols.length; i < ii; i++) {
+      if (flags[i]) {
+        exportedSymbols.push(symbols[i]);
+      }
+    }
+
+    for (var j = 0; j < numberOfNewSymbols; i++, j++) {
+      if (flags[i]) {
+        exportedSymbols.push(newSymbols[j]);
+      }
+    }
+
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
+    if (huffman && refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    var bitmap = [];
+    var i, row;
+
+    for (i = 0; i < height; i++) {
+      row = new Uint8Array(width);
+
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+    var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
+    var firstS = 0;
+    i = 0;
+
+    while (i < numberOfSymbolInstances) {
+      var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
+      stripT += deltaT;
+      var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
+      firstS += deltaFirstS;
+      var currentS = firstS;
+
+      do {
+        let currentT = 0;
+
+        if (stripSize > 1) {
+          currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
+        }
+
+        var t = stripSize * stripT + currentT;
+        var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, "IARDW", decoder);
+          var rdh = decodeInteger(contextCache, "IARDH", decoder);
+          var rdx = decodeInteger(contextCache, "IARDX", decoder);
+          var rdy = decodeInteger(contextCache, "IARDY", decoder);
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
+        }
+
+        var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
+        var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
+        var s2, t2, symbolRow;
+
+        if (transposed) {
+          for (s2 = 0; s2 < symbolHeight; s2++) {
+            row = bitmap[offsetS + s2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[s2];
+            var maxWidth = Math.min(width - offsetT, symbolWidth);
+
+            switch (combinationOperator) {
+              case 0:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] |= symbolRow[t2];
+                }
+
+                break;
+
+              case 2:
+                for (t2 = 0; t2 < maxWidth; t2++) {
+                  row[offsetT + t2] ^= symbolRow[t2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolHeight - 1;
+        } else {
+          for (t2 = 0; t2 < symbolHeight; t2++) {
+            row = bitmap[offsetT + t2];
+
+            if (!row) {
+              continue;
+            }
+
+            symbolRow = symbolBitmap[t2];
+
+            switch (combinationOperator) {
+              case 0:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] |= symbolRow[s2];
+                }
+
+                break;
+
+              case 2:
+                for (s2 = 0; s2 < symbolWidth; s2++) {
+                  row[offsetS + s2] ^= symbolRow[s2];
+                }
+
+                break;
+
+              default:
+                throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+            }
+          }
+
+          currentS += symbolWidth - 1;
+        }
+
+        i++;
+        var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
+
+        if (deltaS === null) {
+          break;
+        }
+
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+
+    return bitmap;
+  }
+
+  function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: -patternWidth,
+        y: 0
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const collectiveWidth = (maxPatternIndex + 1) * patternWidth;
+    const collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
+    const patterns = [];
+
+    for (let i = 0; i <= maxPatternIndex; i++) {
+      const patternBitmap = [];
+      const xMin = patternWidth * i;
+      const xMax = xMin + patternWidth;
+
+      for (let y = 0; y < patternHeight; y++) {
+        patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
+      }
+
+      patterns.push(patternBitmap);
+    }
+
+    return patterns;
+  }
+
+  function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
+    const skip = null;
+
+    if (enableSkip) {
+      throw new Jbig2Error("skip is not supported");
+    }
+
+    if (combinationOperator !== 0) {
+      throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
+    }
+
+    const regionBitmap = [];
+    let i, j, row;
+
+    for (i = 0; i < regionHeight; i++) {
+      row = new Uint8Array(regionWidth);
+
+      if (defaultPixelValue) {
+        for (j = 0; j < regionWidth; j++) {
+          row[j] = defaultPixelValue;
+        }
+      }
+
+      regionBitmap.push(row);
+    }
+
+    const numberOfPatterns = patterns.length;
+    const pattern0 = patterns[0];
+    const patternWidth = pattern0[0].length,
+          patternHeight = pattern0.length;
+    const bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
+    const at = [];
+
+    if (!mmr) {
+      at.push({
+        x: template <= 1 ? 3 : 2,
+        y: -1
+      });
+
+      if (template === 0) {
+        at.push({
+          x: -3,
+          y: -1
+        });
+        at.push({
+          x: 2,
+          y: -2
+        });
+        at.push({
+          x: -2,
+          y: -2
+        });
+      }
+    }
+
+    const grayScaleBitPlanes = [];
+    let mmrInput, bitmap;
+
+    if (mmr) {
+      mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
+    }
+
+    for (i = bitsPerValue - 1; i >= 0; i--) {
+      if (mmr) {
+        bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
+      } else {
+        bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
+      }
+
+      grayScaleBitPlanes[i] = bitmap;
+    }
+
+    let mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
+
+    for (mg = 0; mg < gridHeight; mg++) {
+      for (ng = 0; ng < gridWidth; ng++) {
+        bit = 0;
+        patternIndex = 0;
+
+        for (j = bitsPerValue - 1; j >= 0; j--) {
+          bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
+          patternIndex |= bit << j;
+        }
+
+        patternBitmap = patterns[patternIndex];
+        x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
+        y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
+
+        if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
+          for (i = 0; i < patternHeight; i++) {
+            regionRow = regionBitmap[y + i];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionRow[x + j] |= patternRow[j];
+            }
+          }
+        } else {
+          let regionX, regionY;
+
+          for (i = 0; i < patternHeight; i++) {
+            regionY = y + i;
+
+            if (regionY < 0 || regionY >= regionHeight) {
+              continue;
+            }
+
+            regionRow = regionBitmap[regionY];
+            patternRow = patternBitmap[i];
+
+            for (j = 0; j < patternWidth; j++) {
+              regionX = x + j;
+
+              if (regionX >= 0 && regionX < regionWidth) {
+                regionRow[regionX] |= patternRow[j];
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return regionBitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = (0, _core_utils.readUint32)(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3f;
+
+    if (!SegmentTypes[segmentType]) {
+      throw new Jbig2Error("invalid segment type: " + segmentType);
+    }
+
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = referredFlags >> 5 & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+
+    if (referredFlags === 7) {
+      referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
+      position += 3;
+      var bytes = referredToCount + 7 >> 3;
+      retainBits[0] = data[position++];
+
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags === 5 || referredFlags === 6) {
+      throw new Jbig2Error("invalid referred-to flags");
+    }
+
+    segmentHeader.retainBits = retainBits;
+    let referredToSegmentNumberSize = 4;
+
+    if (segmentHeader.number <= 256) {
+      referredToSegmentNumberSize = 1;
+    } else if (segmentHeader.number <= 65536) {
+      referredToSegmentNumberSize = 2;
+    }
+
+    var referredTo = [];
+    var i, ii;
+
+    for (i = 0; i < referredToCount; i++) {
+      let number;
+
+      if (referredToSegmentNumberSize === 1) {
+        number = data[position];
+      } else if (referredToSegmentNumberSize === 2) {
+        number = (0, _core_utils.readUint16)(data, position);
+      } else {
+        number = (0, _core_utils.readUint32)(data, position);
+      }
+
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+
+    segmentHeader.referredTo = referredTo;
+
+    if (!pageAssociationFieldSize) {
+      segmentHeader.pageAssociation = data[position++];
+    } else {
+      segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    segmentHeader.length = (0, _core_utils.readUint32)(data, position);
+    position += 4;
+
+    if (segmentHeader.length === 0xffffffff) {
+      if (segmentType === 38) {
+        var genericRegionInfo = readRegionSegmentInformation(data, position);
+        var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
+        var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
+        var searchPatternLength = 6;
+        var searchPattern = new Uint8Array(searchPatternLength);
+
+        if (!genericRegionMmr) {
+          searchPattern[0] = 0xff;
+          searchPattern[1] = 0xac;
+        }
+
+        searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
+        searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
+        searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
+        searchPattern[5] = genericRegionInfo.height & 0xff;
+
+        for (i = position, ii = data.length; i < ii; i++) {
+          var j = 0;
+
+          while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
+            j++;
+          }
+
+          if (j === searchPatternLength) {
+            segmentHeader.length = i + searchPatternLength;
+            break;
+          }
+        }
+
+        if (segmentHeader.length === 0xffffffff) {
+          throw new Jbig2Error("segment end was not found");
+        }
+      } else {
+        throw new Jbig2Error("invalid unknown segment length");
+      }
+    }
+
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data
+      };
+
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+
+      segments.push(segment);
+
+      if (segmentHeader.type === 51) {
+        break;
+      }
+    }
+
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+
+    return segments;
+  }
+
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: (0, _core_utils.readUint32)(data, start),
+      height: (0, _core_utils.readUint32)(data, start + 4),
+      x: (0, _core_utils.readUint32)(data, start + 8),
+      y: (0, _core_utils.readUint32)(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+    var data = segment.data,
+        position = segment.start,
+        end = segment.end;
+    var args, at, i, atLength;
+
+    switch (header.type) {
+      case 0:
+        var dictionary = {};
+        var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+        dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+        dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+        dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = dictionaryFlags >> 10 & 3;
+        dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+        position += 2;
+
+        if (!dictionary.huffman) {
+          atLength = dictionary.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.at = at;
+        }
+
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          dictionary.refinementAt = at;
+        }
+
+        dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo, data, position, end];
+        break;
+
+      case 6:
+      case 7:
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
+        textRegion.stripSize = 1 << textRegion.logStripSize;
+        textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+        textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+        textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+        textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+          textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+          textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+          textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+          textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+          textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+          textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+          textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
+        }
+
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          at = [];
+
+          for (i = 0; i < 2; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          textRegion.refinementAt = at;
+        }
+
+        textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+
+      case 16:
+        const patternDictionary = {};
+        const patternDictionaryFlags = data[position++];
+        patternDictionary.mmr = !!(patternDictionaryFlags & 1);
+        patternDictionary.template = patternDictionaryFlags >> 1 & 3;
+        patternDictionary.patternWidth = data[position++];
+        patternDictionary.patternHeight = data[position++];
+        patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        args = [patternDictionary, header.number, data, position, end];
+        break;
+
+      case 22:
+      case 23:
+        const halftoneRegion = {};
+        halftoneRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        const halftoneRegionFlags = data[position++];
+        halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
+        halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
+        halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
+        halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
+        halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
+        halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
+        position += 4;
+        halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
+        position += 4;
+        halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
+        position += 2;
+        args = [halftoneRegion, header.referredTo, data, position, end];
+        break;
+
+      case 38:
+      case 39:
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+
+        if (!genericRegion.mmr) {
+          atLength = genericRegion.template === 0 ? 4 : 1;
+          at = [];
+
+          for (i = 0; i < atLength; i++) {
+            at.push({
+              x: (0, _core_utils.readInt8)(data, position),
+              y: (0, _core_utils.readInt8)(data, position + 1)
+            });
+            position += 2;
+          }
+
+          genericRegion.at = at;
+        }
+
+        args = [genericRegion, data, position, end];
+        break;
+
+      case 48:
+        var pageInfo = {
+          width: (0, _core_utils.readUint32)(data, position),
+          height: (0, _core_utils.readUint32)(data, position + 4),
+          resolutionX: (0, _core_utils.readUint32)(data, position + 8),
+          resolutionY: (0, _core_utils.readUint32)(data, position + 12)
+        };
+
+        if (pageInfo.height === 0xffffffff) {
+          delete pageInfo.height;
+        }
+
+        var pageSegmentFlags = data[position + 16];
+        (0, _core_utils.readUint16)(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+        pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+
+      case 49:
+        break;
+
+      case 50:
+        break;
+
+      case 51:
+        break;
+
+      case 53:
+        args = [header.number, data, position, end];
+        break;
+
+      case 62:
+        break;
+
+      default:
+        throw new Jbig2Error(`segment type ${header.typeName}(${header.type})` + " is not implemented");
+    }
+
+    var callbackName = "on" + header.typeName;
+
+    if (callbackName in visitor) {
+      visitor[callbackName].apply(visitor, args);
+    }
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++) {
+      processSegment(segments[i], visitor);
+    }
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+
+    return visitor.buffer;
+  }
+
+  function parseJbig2(data) {
+    const end = data.length;
+    let position = 0;
+
+    if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
+      throw new Jbig2Error("parseJbig2 - invalid header.");
+    }
+
+    const header = Object.create(null);
+    position += 8;
+    const flags = data[position++];
+    header.randomAccess = !(flags & 1);
+
+    if (!(flags & 2)) {
+      header.numberOfPages = (0, _core_utils.readUint32)(data, position);
+      position += 4;
+    }
+
+    const segments = readSegments(header, data, position, end);
+    const visitor = new SimpleSegmentVisitor();
+    processSegments(segments, visitor);
+    const {
+      width,
+      height
+    } = visitor.currentPageInfo;
+    const bitPacked = visitor.buffer;
+    const imgData = new Uint8ClampedArray(width * height);
+    let q = 0,
+        k = 0;
+
+    for (let i = 0; i < height; i++) {
+      let mask = 0,
+          buffer;
+
+      for (let j = 0; j < width; j++) {
+        if (!mask) {
+          mask = 128;
+          buffer = bitPacked[k++];
+        }
+
+        imgData[q++] = buffer & mask ? 0 : 255;
+        mask >>= 1;
+      }
+    }
+
+    return {
+      imgData,
+      width,
+      height
+    };
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = info.width + 7 >> 3;
+      var buffer = new Uint8ClampedArray(rowSize * info.height);
+
+      if (info.defaultPixelValue) {
+        for (var i = 0, ii = buffer.length; i < ii; i++) {
+          buffer[i] = 0xff;
+        }
+      }
+
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width,
+          height = regionInfo.height;
+      var rowSize = pageInfo.width + 7 >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      var mask0 = 128 >> (regionInfo.x & 7);
+      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
+      var i, j, mask, offset;
+
+      switch (combinationOperator) {
+        case 0:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] |= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        case 2:
+          for (i = 0; i < height; i++) {
+            mask = mask0;
+            offset = offset0;
+
+            for (j = 0; j < width; j++) {
+              if (bitmap[i][j]) {
+                buffer[offset] ^= mask;
+              }
+
+              mask >>= 1;
+
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+
+            offset0 += rowSize;
+          }
+
+          break;
+
+        default:
+          throw new Jbig2Error(`operator ${combinationOperator} is not supported`);
+      }
+    },
+    onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
+      let huffmanTables, huffmanInput;
+
+      if (dictionary.huffman) {
+        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
+        huffmanInput = new Reader(data, start, end);
+      }
+
+      var symbols = this.symbols;
+
+      if (!symbols) {
+        this.symbols = symbols = {};
+      }
+
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
+    },
+    onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
+      var regionInfo = region.info;
+      let huffmanTables, huffmanInput;
+      var symbols = this.symbols;
+      var inputSymbols = [];
+
+      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
+        const referredSymbols = symbols[referredSegments[i]];
+
+        if (referredSymbols) {
+          inputSymbols = inputSymbols.concat(referredSymbols);
+        }
+      }
+
+      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
+
+      if (region.huffman) {
+        huffmanInput = new Reader(data, start, end);
+        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
+      }
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+      this.onImmediateTextRegion.apply(this, arguments);
+    },
+
+    onPatternDictionary(dictionary, currentSegment, data, start, end) {
+      let patterns = this.patterns;
+
+      if (!patterns) {
+        this.patterns = patterns = {};
+      }
+
+      const decodingContext = new DecodingContext(data, start, end);
+      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
+    },
+
+    onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
+      const patterns = this.patterns[referredSegments[0]];
+      const regionInfo = region.info;
+      const decodingContext = new DecodingContext(data, start, end);
+      const bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+
+    onImmediateLosslessHalftoneRegion() {
+      this.onImmediateHalftoneRegion.apply(this, arguments);
+    },
+
+    onTables(currentSegment, data, start, end) {
+      let customTables = this.customTables;
+
+      if (!customTables) {
+        this.customTables = customTables = {};
+      }
+
+      customTables[currentSegment] = decodeTablesSegment(data, start, end);
+    }
+
+  };
+
+  function HuffmanLine(lineData) {
+    if (lineData.length === 2) {
+      this.isOOB = true;
+      this.rangeLow = 0;
+      this.prefixLength = lineData[0];
+      this.rangeLength = 0;
+      this.prefixCode = lineData[1];
+      this.isLowerRange = false;
+    } else {
+      this.isOOB = false;
+      this.rangeLow = lineData[0];
+      this.prefixLength = lineData[1];
+      this.rangeLength = lineData[2];
+      this.prefixCode = lineData[3];
+      this.isLowerRange = lineData[4] === "lower";
+    }
+  }
+
+  function HuffmanTreeNode(line) {
+    this.children = [];
+
+    if (line) {
+      this.isLeaf = true;
+      this.rangeLength = line.rangeLength;
+      this.rangeLow = line.rangeLow;
+      this.isLowerRange = line.isLowerRange;
+      this.isOOB = line.isOOB;
+    } else {
+      this.isLeaf = false;
+    }
+  }
+
+  HuffmanTreeNode.prototype = {
+    buildTree(line, shift) {
+      const bit = line.prefixCode >> shift & 1;
+
+      if (shift <= 0) {
+        this.children[bit] = new HuffmanTreeNode(line);
+      } else {
+        let node = this.children[bit];
+
+        if (!node) {
+          this.children[bit] = node = new HuffmanTreeNode(null);
+        }
+
+        node.buildTree(line, shift - 1);
+      }
+    },
+
+    decodeNode(reader) {
+      if (this.isLeaf) {
+        if (this.isOOB) {
+          return null;
+        }
+
+        const htOffset = reader.readBits(this.rangeLength);
+        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
+      }
+
+      const node = this.children[reader.readBit()];
+
+      if (!node) {
+        throw new Jbig2Error("invalid Huffman data");
+      }
+
+      return node.decodeNode(reader);
+    }
+
+  };
+
+  function HuffmanTable(lines, prefixCodesDone) {
+    if (!prefixCodesDone) {
+      this.assignPrefixCodes(lines);
+    }
+
+    this.rootNode = new HuffmanTreeNode(null);
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      const line = lines[i];
+
+      if (line.prefixLength > 0) {
+        this.rootNode.buildTree(line, line.prefixLength - 1);
+      }
+    }
+  }
+
+  HuffmanTable.prototype = {
+    decode(reader) {
+      return this.rootNode.decodeNode(reader);
+    },
+
+    assignPrefixCodes(lines) {
+      const linesLength = lines.length;
+      let prefixLengthMax = 0;
+
+      for (let i = 0; i < linesLength; i++) {
+        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
+      }
+
+      const histogram = new Uint32Array(prefixLengthMax + 1);
+
+      for (let i = 0; i < linesLength; i++) {
+        histogram[lines[i].prefixLength]++;
+      }
+
+      let currentLength = 1,
+          firstCode = 0,
+          currentCode,
+          currentTemp,
+          line;
+      histogram[0] = 0;
+
+      while (currentLength <= prefixLengthMax) {
+        firstCode = firstCode + histogram[currentLength - 1] << 1;
+        currentCode = firstCode;
+        currentTemp = 0;
+
+        while (currentTemp < linesLength) {
+          line = lines[currentTemp];
+
+          if (line.prefixLength === currentLength) {
+            line.prefixCode = currentCode;
+            currentCode++;
+          }
+
+          currentTemp++;
+        }
+
+        currentLength++;
+      }
+    }
+
+  };
+
+  function decodeTablesSegment(data, start, end) {
+    const flags = data[start];
+    const lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
+    const highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
+    const reader = new Reader(data, start + 9, end);
+    const prefixSizeBits = (flags >> 1 & 7) + 1;
+    const rangeSizeBits = (flags >> 4 & 7) + 1;
+    const lines = [];
+    let prefixLength,
+        rangeLength,
+        currentRangeLow = lowestValue;
+
+    do {
+      prefixLength = reader.readBits(prefixSizeBits);
+      rangeLength = reader.readBits(rangeSizeBits);
+      lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
+      currentRangeLow += 1 << rangeLength;
+    } while (currentRangeLow < highestValue);
+
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
+    prefixLength = reader.readBits(prefixSizeBits);
+    lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
+
+    if (flags & 1) {
+      prefixLength = reader.readBits(prefixSizeBits);
+      lines.push(new HuffmanLine([prefixLength, 0]));
+    }
+
+    return new HuffmanTable(lines, false);
+  }
+
+  const standardTablesCache = {};
+
+  function getStandardTable(number) {
+    let table = standardTablesCache[number];
+
+    if (table) {
+      return table;
+    }
+
+    let lines;
+
+    switch (number) {
+      case 1:
+        lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
+        break;
+
+      case 2:
+        lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
+        break;
+
+      case 3:
+        lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
+        break;
+
+      case 4:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
+        break;
+
+      case 5:
+        lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
+        break;
+
+      case 6:
+        lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
+        break;
+
+      case 7:
+        lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
+        break;
+
+      case 8:
+        lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
+        break;
+
+      case 9:
+        lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
+        break;
+
+      case 10:
+        lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
+        break;
+
+      case 11:
+        lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 12:
+        lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
+        break;
+
+      case 13:
+        lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
+        break;
+
+      case 14:
+        lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
+        break;
+
+      case 15:
+        lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
+        break;
+
+      default:
+        throw new Jbig2Error(`standard table B.${number} does not exist`);
+    }
+
+    for (let i = 0, ii = lines.length; i < ii; i++) {
+      lines[i] = new HuffmanLine(lines[i]);
+    }
+
+    table = new HuffmanTable(lines, true);
+    standardTablesCache[number] = table;
+    return table;
+  }
+
+  function Reader(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+    this.position = start;
+    this.shift = -1;
+    this.currentByte = 0;
+  }
+
+  Reader.prototype = {
+    readBit() {
+      if (this.shift < 0) {
+        if (this.position >= this.end) {
+          throw new Jbig2Error("end of data while reading bit");
+        }
+
+        this.currentByte = this.data[this.position++];
+        this.shift = 7;
+      }
+
+      const bit = this.currentByte >> this.shift & 1;
+      this.shift--;
+      return bit;
+    },
+
+    readBits(numBits) {
+      let result = 0,
+          i;
+
+      for (i = numBits - 1; i >= 0; i--) {
+        result |= this.readBit() << i;
+      }
+
+      return result;
+    },
+
+    byteAlign() {
+      this.shift = -1;
+    },
+
+    next() {
+      if (this.position >= this.end) {
+        return -1;
+      }
+
+      return this.data[this.position++];
+    }
+
+  };
+
+  function getCustomHuffmanTable(index, referredTo, customTables) {
+    let currentIndex = 0;
+
+    for (let i = 0, ii = referredTo.length; i < ii; i++) {
+      const table = customTables[referredTo[i]];
+
+      if (table) {
+        if (index === currentIndex) {
+          return table;
+        }
+
+        currentIndex++;
+      }
+    }
+
+    throw new Jbig2Error("can't find custom Huffman table");
+  }
+
+  function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
+    const codes = [];
+
+    for (let i = 0; i <= 34; i++) {
+      const codeLength = reader.readBits(4);
+      codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+    }
+
+    const runCodesTable = new HuffmanTable(codes, false);
+    codes.length = 0;
+
+    for (let i = 0; i < numberOfSymbols;) {
+      const codeLength = runCodesTable.decode(reader);
+
+      if (codeLength >= 32) {
+        let repeatedLength, numberOfRepeats, j;
+
+        switch (codeLength) {
+          case 32:
+            if (i === 0) {
+              throw new Jbig2Error("no previous value in symbol ID table");
+            }
+
+            numberOfRepeats = reader.readBits(2) + 3;
+            repeatedLength = codes[i - 1].prefixLength;
+            break;
+
+          case 33:
+            numberOfRepeats = reader.readBits(3) + 3;
+            repeatedLength = 0;
+            break;
+
+          case 34:
+            numberOfRepeats = reader.readBits(7) + 11;
+            repeatedLength = 0;
+            break;
+
+          default:
+            throw new Jbig2Error("invalid code length in symbol ID table");
+        }
+
+        for (j = 0; j < numberOfRepeats; j++) {
+          codes.push(new HuffmanLine([i, repeatedLength, 0, 0]));
+          i++;
+        }
+      } else {
+        codes.push(new HuffmanLine([i, codeLength, 0, 0]));
+        i++;
+      }
+    }
+
+    reader.byteAlign();
+    const symbolIDTable = new HuffmanTable(codes, false);
+    let customIndex = 0,
+        tableFirstS,
+        tableDeltaS,
+        tableDeltaT;
+
+    switch (textRegion.huffmanFS) {
+      case 0:
+      case 1:
+        tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
+        break;
+
+      case 3:
+        tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman FS selector");
+    }
+
+    switch (textRegion.huffmanDS) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
+        break;
+
+      case 3:
+        tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DS selector");
+    }
+
+    switch (textRegion.huffmanDT) {
+      case 0:
+      case 1:
+      case 2:
+        tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
+        break;
+
+      case 3:
+        tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DT selector");
+    }
+
+    if (textRegion.refinement) {
+      throw new Jbig2Error("refinement with Huffman is not supported");
+    }
+
+    return {
+      symbolIDTable,
+      tableFirstS,
+      tableDeltaS,
+      tableDeltaT
+    };
+  }
+
+  function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
+    let customIndex = 0,
+        tableDeltaHeight,
+        tableDeltaWidth;
+
+    switch (dictionary.huffmanDHSelector) {
+      case 0:
+      case 1:
+        tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
+        break;
+
+      case 3:
+        tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DH selector");
+    }
+
+    switch (dictionary.huffmanDWSelector) {
+      case 0:
+      case 1:
+        tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
+        break;
+
+      case 3:
+        tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
+        customIndex++;
+        break;
+
+      default:
+        throw new Jbig2Error("invalid Huffman DW selector");
+    }
+
+    let tableBitmapSize, tableAggregateInstances;
+
+    if (dictionary.bitmapSizeSelector) {
+      tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
+      customIndex++;
+    } else {
+      tableBitmapSize = getStandardTable(1);
+    }
+
+    if (dictionary.aggregationInstancesSelector) {
+      tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
+    } else {
+      tableAggregateInstances = getStandardTable(1);
+    }
+
+    return {
+      tableDeltaHeight,
+      tableDeltaWidth,
+      tableBitmapSize,
+      tableAggregateInstances
+    };
+  }
+
+  function readUncompressedBitmap(reader, width, height) {
+    const bitmap = [];
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+
+      for (let x = 0; x < width; x++) {
+        row[x] = reader.readBit();
+      }
+
+      reader.byteAlign();
+    }
+
+    return bitmap;
+  }
+
+  function decodeMMRBitmap(input, width, height, endOfBlock) {
+    const params = {
+      K: -1,
+      Columns: width,
+      Rows: height,
+      BlackIs1: true,
+      EndOfBlock: endOfBlock
+    };
+    const decoder = new _ccitt.CCITTFaxDecoder(input, params);
+    const bitmap = [];
+    let currentByte,
+        eof = false;
+
+    for (let y = 0; y < height; y++) {
+      const row = new Uint8Array(width);
+      bitmap.push(row);
+      let shift = -1;
+
+      for (let x = 0; x < width; x++) {
+        if (shift < 0) {
+          currentByte = decoder.readNextChar();
+
+          if (currentByte === -1) {
+            currentByte = 0;
+            eof = true;
+          }
+
+          shift = 7;
+        }
+
+        row[x] = currentByte >> shift & 1;
+        shift--;
+      }
+    }
+
+    if (endOfBlock && !eof) {
+      const lookForEOFLimit = 5;
+
+      for (let i = 0; i < lookForEOFLimit; i++) {
+        if (decoder.readNextChar() === -1) {
+          break;
+        }
+      }
+    }
+
+    return bitmap;
+  }
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    },
+
+    parse(data) {
+      const {
+        imgData,
+        width,
+        height
+      } = parseJbig2(data);
+      this.width = width;
+      this.height = height;
+      return imgData;
+    }
+
+  };
+  return Jbig2Image;
+}();
+
+exports.Jbig2Image = Jbig2Image;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jbig2_stream.js b/node_modules/pdfjs-dist/lib/core/jbig2_stream.js
new file mode 100644
index 00000000..36a6e108
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jbig2_stream.js
@@ -0,0 +1,99 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Jbig2Stream = void 0;
+
+var _primitives = require("./primitives.js");
+
+var _stream = require("./stream.js");
+
+var _jbig = require("./jbig2.js");
+
+var _util = require("../shared/util.js");
+
+const Jbig2Stream = function Jbig2StreamClosure() {
+  function Jbig2Stream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  Jbig2Stream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(Jbig2Stream.prototype, "bytes", {
+    get() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+
+    configurable: true
+  });
+
+  Jbig2Stream.prototype.ensureBuffer = function (requested) {};
+
+  Jbig2Stream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jbig2Image = new _jbig.Jbig2Image();
+    const chunks = [];
+
+    if ((0, _primitives.isDict)(this.params)) {
+      const globalsStream = this.params.get("JBIG2Globals");
+
+      if ((0, _primitives.isStream)(globalsStream)) {
+        const globals = globalsStream.getBytes();
+        chunks.push({
+          data: globals,
+          start: 0,
+          end: globals.length
+        });
+      }
+    }
+
+    chunks.push({
+      data: this.bytes,
+      start: 0,
+      end: this.bytes.length
+    });
+    const data = jbig2Image.parseChunks(chunks);
+    const dataLength = data.length;
+
+    for (let i = 0; i < dataLength; i++) {
+      data[i] ^= 0xff;
+    }
+
+    this.buffer = data;
+    this.bufferLength = dataLength;
+    this.eof = true;
+  };
+
+  return Jbig2Stream;
+}();
+
+exports.Jbig2Stream = Jbig2Stream;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jpeg_stream.js b/node_modules/pdfjs-dist/lib/core/jpeg_stream.js
new file mode 100644
index 00000000..ca68589a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jpeg_stream.js
@@ -0,0 +1,122 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegStream = void 0;
+
+var _stream = require("./stream.js");
+
+var _primitives = require("./primitives.js");
+
+var _jpg = require("./jpg.js");
+
+var _util = require("../shared/util.js");
+
+const JpegStream = function JpegStreamClosure() {
+  function JpegStream(stream, maybeLength, dict, params) {
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === 0xff) {
+        stream.skip(-1);
+        break;
+      }
+    }
+
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpegStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpegStream.prototype, "bytes", {
+    get: function JpegStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpegStream.prototype.ensureBuffer = function (requested) {};
+
+  JpegStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jpegOptions = {
+      decodeTransform: undefined,
+      colorTransform: undefined
+    };
+    const decodeArr = this.dict.getArray("Decode", "D");
+
+    if (this.forceRGB && Array.isArray(decodeArr)) {
+      const bitsPerComponent = this.dict.get("BitsPerComponent") || 8;
+      const decodeArrLength = decodeArr.length;
+      const transform = new Int32Array(decodeArrLength);
+      let transformNeeded = false;
+      const maxValue = (1 << bitsPerComponent) - 1;
+
+      for (let i = 0; i < decodeArrLength; i += 2) {
+        transform[i] = (decodeArr[i + 1] - decodeArr[i]) * 256 | 0;
+        transform[i + 1] = decodeArr[i] * maxValue | 0;
+
+        if (transform[i] !== 256 || transform[i + 1] !== 0) {
+          transformNeeded = true;
+        }
+      }
+
+      if (transformNeeded) {
+        jpegOptions.decodeTransform = transform;
+      }
+    }
+
+    if ((0, _primitives.isDict)(this.params)) {
+      const colorTransform = this.params.get("ColorTransform");
+
+      if (Number.isInteger(colorTransform)) {
+        jpegOptions.colorTransform = colorTransform;
+      }
+    }
+
+    const jpegImage = new _jpg.JpegImage(jpegOptions);
+    jpegImage.parse(this.bytes);
+    const data = jpegImage.getData({
+      width: this.drawWidth,
+      height: this.drawHeight,
+      forceRGB: this.forceRGB,
+      isSourcePDF: true
+    });
+    this.buffer = data;
+    this.bufferLength = data.length;
+    this.eof = true;
+  };
+
+  return JpegStream;
+}();
+
+exports.JpegStream = JpegStream;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jpg.js b/node_modules/pdfjs-dist/lib/core/jpg.js
new file mode 100644
index 00000000..7f6e4f02
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jpg.js
@@ -0,0 +1,1261 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpegImage = void 0;
+
+var _util = require("../shared/util.js");
+
+var _core_utils = require("./core_utils.js");
+
+class JpegError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPEG error: ${msg}`);
+  }
+
+}
+
+class DNLMarkerError extends _util.BaseException {
+  constructor(message, scanLines) {
+    super(message);
+    this.scanLines = scanLines;
+  }
+
+}
+
+class EOIMarkerError extends _util.BaseException {}
+
+var JpegImage = function JpegImageClosure() {
+  var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
+  var dctCos1 = 4017;
+  var dctSin1 = 799;
+  var dctCos3 = 3406;
+  var dctSin3 = 2276;
+  var dctCos6 = 1567;
+  var dctSin6 = 3784;
+  var dctSqrt2 = 5793;
+  var dctSqrt1d2 = 2896;
+
+  function JpegImage({
+    decodeTransform = null,
+    colorTransform = -1
+  } = {}) {
+    this._decodeTransform = decodeTransform;
+    this._colorTransform = colorTransform;
+  }
+
+  function buildHuffmanTable(codeLengths, values) {
+    var k = 0,
+        code = [],
+        i,
+        j,
+        length = 16;
+
+    while (length > 0 && !codeLengths[length - 1]) {
+      length--;
+    }
+
+    code.push({
+      children: [],
+      index: 0
+    });
+    var p = code[0],
+        q;
+
+    for (i = 0; i < length; i++) {
+      for (j = 0; j < codeLengths[i]; j++) {
+        p = code.pop();
+        p.children[p.index] = values[k];
+
+        while (p.index > 0) {
+          p = code.pop();
+        }
+
+        p.index++;
+        code.push(p);
+
+        while (code.length <= i) {
+          code.push(q = {
+            children: [],
+            index: 0
+          });
+          p.children[p.index] = q.children;
+          p = q;
+        }
+
+        k++;
+      }
+
+      if (i + 1 < length) {
+        code.push(q = {
+          children: [],
+          index: 0
+        });
+        p.children[p.index] = q.children;
+        p = q;
+      }
+    }
+
+    return code[0].children;
+  }
+
+  function getBlockBufferOffset(component, row, col) {
+    return 64 * ((component.blocksPerLine + 1) * row + col);
+  }
+
+  function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive, parseDNLMarker = false) {
+    var mcusPerLine = frame.mcusPerLine;
+    var progressive = frame.progressive;
+    const startOffset = offset;
+    let bitsData = 0,
+        bitsCount = 0;
+
+    function readBit() {
+      if (bitsCount > 0) {
+        bitsCount--;
+        return bitsData >> bitsCount & 1;
+      }
+
+      bitsData = data[offset++];
+
+      if (bitsData === 0xff) {
+        var nextByte = data[offset++];
+
+        if (nextByte) {
+          if (nextByte === 0xdc && parseDNLMarker) {
+            offset += 2;
+            const scanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            if (scanLines > 0 && scanLines !== frame.scanLines) {
+              throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
+            }
+          } else if (nextByte === 0xd9) {
+            if (parseDNLMarker) {
+              const maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
+
+              if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
+                throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
+              }
+            }
+
+            throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
+          }
+
+          throw new JpegError(`unexpected marker ${(bitsData << 8 | nextByte).toString(16)}`);
+        }
+      }
+
+      bitsCount = 7;
+      return bitsData >>> 7;
+    }
+
+    function decodeHuffman(tree) {
+      var node = tree;
+
+      while (true) {
+        node = node[readBit()];
+
+        switch (typeof node) {
+          case "number":
+            return node;
+
+          case "object":
+            continue;
+        }
+
+        throw new JpegError("invalid huffman sequence");
+      }
+    }
+
+    function receive(length) {
+      var n = 0;
+
+      while (length > 0) {
+        n = n << 1 | readBit();
+        length--;
+      }
+
+      return n;
+    }
+
+    function receiveAndExtend(length) {
+      if (length === 1) {
+        return readBit() === 1 ? 1 : -1;
+      }
+
+      var n = receive(length);
+
+      if (n >= 1 << length - 1) {
+        return n;
+      }
+
+      return n + (-1 << length) + 1;
+    }
+
+    function decodeBaseline(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t);
+      component.blockData[blockOffset] = component.pred += diff;
+      var k = 1;
+
+      while (k < 64) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s);
+        k++;
+      }
+    }
+
+    function decodeDCFirst(component, blockOffset) {
+      var t = decodeHuffman(component.huffmanTableDC);
+      var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
+      component.blockData[blockOffset] = component.pred += diff;
+    }
+
+    function decodeDCSuccessive(component, blockOffset) {
+      component.blockData[blockOffset] |= readBit() << successive;
+    }
+
+    var eobrun = 0;
+
+    function decodeACFirst(component, blockOffset) {
+      if (eobrun > 0) {
+        eobrun--;
+        return;
+      }
+
+      var k = spectralStart,
+          e = spectralEnd;
+
+      while (k <= e) {
+        var rs = decodeHuffman(component.huffmanTableAC);
+        var s = rs & 15,
+            r = rs >> 4;
+
+        if (s === 0) {
+          if (r < 15) {
+            eobrun = receive(r) + (1 << r) - 1;
+            break;
+          }
+
+          k += 16;
+          continue;
+        }
+
+        k += r;
+        var z = dctZigZag[k];
+        component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
+        k++;
+      }
+    }
+
+    var successiveACState = 0,
+        successiveACNextValue;
+
+    function decodeACSuccessive(component, blockOffset) {
+      var k = spectralStart;
+      var e = spectralEnd;
+      var r = 0;
+      var s;
+      var rs;
+
+      while (k <= e) {
+        const offsetZ = blockOffset + dctZigZag[k];
+        const sign = component.blockData[offsetZ] < 0 ? -1 : 1;
+
+        switch (successiveACState) {
+          case 0:
+            rs = decodeHuffman(component.huffmanTableAC);
+            s = rs & 15;
+            r = rs >> 4;
+
+            if (s === 0) {
+              if (r < 15) {
+                eobrun = receive(r) + (1 << r);
+                successiveACState = 4;
+              } else {
+                r = 16;
+                successiveACState = 1;
+              }
+            } else {
+              if (s !== 1) {
+                throw new JpegError("invalid ACn encoding");
+              }
+
+              successiveACNextValue = receiveAndExtend(s);
+              successiveACState = r ? 2 : 3;
+            }
+
+            continue;
+
+          case 1:
+          case 2:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              r--;
+
+              if (r === 0) {
+                successiveACState = successiveACState === 2 ? 3 : 0;
+              }
+            }
+
+            break;
+
+          case 3:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            } else {
+              component.blockData[offsetZ] = successiveACNextValue << successive;
+              successiveACState = 0;
+            }
+
+            break;
+
+          case 4:
+            if (component.blockData[offsetZ]) {
+              component.blockData[offsetZ] += sign * (readBit() << successive);
+            }
+
+            break;
+        }
+
+        k++;
+      }
+
+      if (successiveACState === 4) {
+        eobrun--;
+
+        if (eobrun === 0) {
+          successiveACState = 0;
+        }
+      }
+    }
+
+    let blockRow = 0;
+
+    function decodeMcu(component, decode, mcu, row, col) {
+      var mcuRow = mcu / mcusPerLine | 0;
+      var mcuCol = mcu % mcusPerLine;
+      blockRow = mcuRow * component.v + row;
+      var blockCol = mcuCol * component.h + col;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    function decodeBlock(component, decode, mcu) {
+      blockRow = mcu / component.blocksPerLine | 0;
+      var blockCol = mcu % component.blocksPerLine;
+      const blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
+      decode(component, blockOffset);
+    }
+
+    var componentsLength = components.length;
+    var component, i, j, k, n;
+    var decodeFn;
+
+    if (progressive) {
+      if (spectralStart === 0) {
+        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
+      } else {
+        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
+      }
+    } else {
+      decodeFn = decodeBaseline;
+    }
+
+    var mcu = 0,
+        fileMarker;
+    var mcuExpected;
+
+    if (componentsLength === 1) {
+      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
+    } else {
+      mcuExpected = mcusPerLine * frame.mcusPerColumn;
+    }
+
+    var h, v;
+
+    while (mcu <= mcuExpected) {
+      var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
+
+      if (mcuToRead > 0) {
+        for (i = 0; i < componentsLength; i++) {
+          components[i].pred = 0;
+        }
+
+        eobrun = 0;
+
+        if (componentsLength === 1) {
+          component = components[0];
+
+          for (n = 0; n < mcuToRead; n++) {
+            decodeBlock(component, decodeFn, mcu);
+            mcu++;
+          }
+        } else {
+          for (n = 0; n < mcuToRead; n++) {
+            for (i = 0; i < componentsLength; i++) {
+              component = components[i];
+              h = component.h;
+              v = component.v;
+
+              for (j = 0; j < v; j++) {
+                for (k = 0; k < h; k++) {
+                  decodeMcu(component, decodeFn, mcu, j, k);
+                }
+              }
+            }
+
+            mcu++;
+          }
+        }
+      }
+
+      bitsCount = 0;
+      fileMarker = findNextFileMarker(data, offset);
+
+      if (!fileMarker) {
+        break;
+      }
+
+      if (fileMarker.invalid) {
+        const partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
+        (0, _util.warn)(`decodeScan - ${partialMsg} MCU data, current marker is: ${fileMarker.invalid}`);
+        offset = fileMarker.offset;
+      }
+
+      if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
+        offset += 2;
+      } else {
+        break;
+      }
+    }
+
+    return offset - startOffset;
+  }
+
+  function quantizeAndInverse(component, blockBufferOffset, p) {
+    var qt = component.quantizationTable,
+        blockData = component.blockData;
+    var v0, v1, v2, v3, v4, v5, v6, v7;
+    var p0, p1, p2, p3, p4, p5, p6, p7;
+    var t;
+
+    if (!qt) {
+      throw new JpegError("missing required Quantization Table.");
+    }
+
+    for (var row = 0; row < 64; row += 8) {
+      p0 = blockData[blockBufferOffset + row];
+      p1 = blockData[blockBufferOffset + row + 1];
+      p2 = blockData[blockBufferOffset + row + 2];
+      p3 = blockData[blockBufferOffset + row + 3];
+      p4 = blockData[blockBufferOffset + row + 4];
+      p5 = blockData[blockBufferOffset + row + 5];
+      p6 = blockData[blockBufferOffset + row + 6];
+      p7 = blockData[blockBufferOffset + row + 7];
+      p0 *= qt[row];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 512 >> 10;
+        p[row] = t;
+        p[row + 1] = t;
+        p[row + 2] = t;
+        p[row + 3] = t;
+        p[row + 4] = t;
+        p[row + 5] = t;
+        p[row + 6] = t;
+        p[row + 7] = t;
+        continue;
+      }
+
+      p1 *= qt[row + 1];
+      p2 *= qt[row + 2];
+      p3 *= qt[row + 3];
+      p4 *= qt[row + 4];
+      p5 *= qt[row + 5];
+      p6 *= qt[row + 6];
+      p7 *= qt[row + 7];
+      v0 = dctSqrt2 * p0 + 128 >> 8;
+      v1 = dctSqrt2 * p4 + 128 >> 8;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
+      v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
+      v5 = p3 << 4;
+      v6 = p5 << 4;
+      v0 = v0 + v1 + 1 >> 1;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p[row] = v0 + v7;
+      p[row + 7] = v0 - v7;
+      p[row + 1] = v1 + v6;
+      p[row + 6] = v1 - v6;
+      p[row + 2] = v2 + v5;
+      p[row + 5] = v2 - v5;
+      p[row + 3] = v3 + v4;
+      p[row + 4] = v3 - v4;
+    }
+
+    for (var col = 0; col < 8; ++col) {
+      p0 = p[col];
+      p1 = p[col + 8];
+      p2 = p[col + 16];
+      p3 = p[col + 24];
+      p4 = p[col + 32];
+      p5 = p[col + 40];
+      p6 = p[col + 48];
+      p7 = p[col + 56];
+
+      if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
+        t = dctSqrt2 * p0 + 8192 >> 14;
+
+        if (t < -2040) {
+          t = 0;
+        } else if (t >= 2024) {
+          t = 255;
+        } else {
+          t = t + 2056 >> 4;
+        }
+
+        blockData[blockBufferOffset + col] = t;
+        blockData[blockBufferOffset + col + 8] = t;
+        blockData[blockBufferOffset + col + 16] = t;
+        blockData[blockBufferOffset + col + 24] = t;
+        blockData[blockBufferOffset + col + 32] = t;
+        blockData[blockBufferOffset + col + 40] = t;
+        blockData[blockBufferOffset + col + 48] = t;
+        blockData[blockBufferOffset + col + 56] = t;
+        continue;
+      }
+
+      v0 = dctSqrt2 * p0 + 2048 >> 12;
+      v1 = dctSqrt2 * p4 + 2048 >> 12;
+      v2 = p2;
+      v3 = p6;
+      v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
+      v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
+      v5 = p3;
+      v6 = p5;
+      v0 = (v0 + v1 + 1 >> 1) + 4112;
+      v1 = v0 - v1;
+      t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
+      v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
+      v3 = t;
+      v4 = v4 + v6 + 1 >> 1;
+      v6 = v4 - v6;
+      v7 = v7 + v5 + 1 >> 1;
+      v5 = v7 - v5;
+      v0 = v0 + v3 + 1 >> 1;
+      v3 = v0 - v3;
+      v1 = v1 + v2 + 1 >> 1;
+      v2 = v1 - v2;
+      t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
+      v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
+      v7 = t;
+      t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
+      v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
+      v6 = t;
+      p0 = v0 + v7;
+      p7 = v0 - v7;
+      p1 = v1 + v6;
+      p6 = v1 - v6;
+      p2 = v2 + v5;
+      p5 = v2 - v5;
+      p3 = v3 + v4;
+      p4 = v3 - v4;
+
+      if (p0 < 16) {
+        p0 = 0;
+      } else if (p0 >= 4080) {
+        p0 = 255;
+      } else {
+        p0 >>= 4;
+      }
+
+      if (p1 < 16) {
+        p1 = 0;
+      } else if (p1 >= 4080) {
+        p1 = 255;
+      } else {
+        p1 >>= 4;
+      }
+
+      if (p2 < 16) {
+        p2 = 0;
+      } else if (p2 >= 4080) {
+        p2 = 255;
+      } else {
+        p2 >>= 4;
+      }
+
+      if (p3 < 16) {
+        p3 = 0;
+      } else if (p3 >= 4080) {
+        p3 = 255;
+      } else {
+        p3 >>= 4;
+      }
+
+      if (p4 < 16) {
+        p4 = 0;
+      } else if (p4 >= 4080) {
+        p4 = 255;
+      } else {
+        p4 >>= 4;
+      }
+
+      if (p5 < 16) {
+        p5 = 0;
+      } else if (p5 >= 4080) {
+        p5 = 255;
+      } else {
+        p5 >>= 4;
+      }
+
+      if (p6 < 16) {
+        p6 = 0;
+      } else if (p6 >= 4080) {
+        p6 = 255;
+      } else {
+        p6 >>= 4;
+      }
+
+      if (p7 < 16) {
+        p7 = 0;
+      } else if (p7 >= 4080) {
+        p7 = 255;
+      } else {
+        p7 >>= 4;
+      }
+
+      blockData[blockBufferOffset + col] = p0;
+      blockData[blockBufferOffset + col + 8] = p1;
+      blockData[blockBufferOffset + col + 16] = p2;
+      blockData[blockBufferOffset + col + 24] = p3;
+      blockData[blockBufferOffset + col + 32] = p4;
+      blockData[blockBufferOffset + col + 40] = p5;
+      blockData[blockBufferOffset + col + 48] = p6;
+      blockData[blockBufferOffset + col + 56] = p7;
+    }
+  }
+
+  function buildComponentData(frame, component) {
+    var blocksPerLine = component.blocksPerLine;
+    var blocksPerColumn = component.blocksPerColumn;
+    var computationBuffer = new Int16Array(64);
+
+    for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
+      for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
+        var offset = getBlockBufferOffset(component, blockRow, blockCol);
+        quantizeAndInverse(component, offset, computationBuffer);
+      }
+    }
+
+    return component.blockData;
+  }
+
+  function findNextFileMarker(data, currentPos, startPos = currentPos) {
+    const maxPos = data.length - 1;
+    var newPos = startPos < currentPos ? startPos : currentPos;
+
+    if (currentPos >= maxPos) {
+      return null;
+    }
+
+    var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
+
+    if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
+      return {
+        invalid: null,
+        marker: currentMarker,
+        offset: currentPos
+      };
+    }
+
+    var newMarker = (0, _core_utils.readUint16)(data, newPos);
+
+    while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
+      if (++newPos >= maxPos) {
+        return null;
+      }
+
+      newMarker = (0, _core_utils.readUint16)(data, newPos);
+    }
+
+    return {
+      invalid: currentMarker.toString(16),
+      marker: newMarker,
+      offset: newPos
+    };
+  }
+
+  JpegImage.prototype = {
+    parse(data, {
+      dnlScanLines = null
+    } = {}) {
+      function readDataBlock() {
+        const length = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+        let endOffset = offset + length - 2;
+        var fileMarker = findNextFileMarker(data, endOffset, offset);
+
+        if (fileMarker && fileMarker.invalid) {
+          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
+          endOffset = fileMarker.offset;
+        }
+
+        var array = data.subarray(offset, endOffset);
+        offset += array.length;
+        return array;
+      }
+
+      function prepareComponents(frame) {
+        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
+        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
+
+        for (var i = 0; i < frame.components.length; i++) {
+          component = frame.components[i];
+          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
+          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
+          var blocksPerLineForMcu = mcusPerLine * component.h;
+          var blocksPerColumnForMcu = mcusPerColumn * component.v;
+          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
+          component.blockData = new Int16Array(blocksBufferSize);
+          component.blocksPerLine = blocksPerLine;
+          component.blocksPerColumn = blocksPerColumn;
+        }
+
+        frame.mcusPerLine = mcusPerLine;
+        frame.mcusPerColumn = mcusPerColumn;
+      }
+
+      var offset = 0;
+      var jfif = null;
+      var adobe = null;
+      var frame, resetInterval;
+      let numSOSMarkers = 0;
+      var quantizationTables = [];
+      var huffmanTablesAC = [],
+          huffmanTablesDC = [];
+      let fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      if (fileMarker !== 0xffd8) {
+        throw new JpegError("SOI not found");
+      }
+
+      fileMarker = (0, _core_utils.readUint16)(data, offset);
+      offset += 2;
+
+      markerLoop: while (fileMarker !== 0xffd9) {
+        var i, j, l;
+
+        switch (fileMarker) {
+          case 0xffe0:
+          case 0xffe1:
+          case 0xffe2:
+          case 0xffe3:
+          case 0xffe4:
+          case 0xffe5:
+          case 0xffe6:
+          case 0xffe7:
+          case 0xffe8:
+          case 0xffe9:
+          case 0xffea:
+          case 0xffeb:
+          case 0xffec:
+          case 0xffed:
+          case 0xffee:
+          case 0xffef:
+          case 0xfffe:
+            var appData = readDataBlock();
+
+            if (fileMarker === 0xffe0) {
+              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
+                jfif = {
+                  version: {
+                    major: appData[5],
+                    minor: appData[6]
+                  },
+                  densityUnits: appData[7],
+                  xDensity: appData[8] << 8 | appData[9],
+                  yDensity: appData[10] << 8 | appData[11],
+                  thumbWidth: appData[12],
+                  thumbHeight: appData[13],
+                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                };
+              }
+            }
+
+            if (fileMarker === 0xffee) {
+              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
+                adobe = {
+                  version: appData[5] << 8 | appData[6],
+                  flags0: appData[7] << 8 | appData[8],
+                  flags1: appData[9] << 8 | appData[10],
+                  transformCode: appData[11]
+                };
+              }
+            }
+
+            break;
+
+          case 0xffdb:
+            const quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+            var z;
+
+            while (offset < quantizationTablesEnd) {
+              var quantizationTableSpec = data[offset++];
+              var tableData = new Uint16Array(64);
+
+              if (quantizationTableSpec >> 4 === 0) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = data[offset++];
+                }
+              } else if (quantizationTableSpec >> 4 === 1) {
+                for (j = 0; j < 64; j++) {
+                  z = dctZigZag[j];
+                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
+                  offset += 2;
+                }
+              } else {
+                throw new JpegError("DQT - invalid table spec");
+              }
+
+              quantizationTables[quantizationTableSpec & 15] = tableData;
+            }
+
+            break;
+
+          case 0xffc0:
+          case 0xffc1:
+          case 0xffc2:
+            if (frame) {
+              throw new JpegError("Only single frame JPEGs supported");
+            }
+
+            offset += 2;
+            frame = {};
+            frame.extended = fileMarker === 0xffc1;
+            frame.progressive = fileMarker === 0xffc2;
+            frame.precision = data[offset++];
+            const sofScanLines = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.scanLines = dnlScanLines || sofScanLines;
+            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            frame.components = [];
+            frame.componentIds = {};
+            var componentsCount = data[offset++],
+                componentId;
+            var maxH = 0,
+                maxV = 0;
+
+            for (i = 0; i < componentsCount; i++) {
+              componentId = data[offset];
+              var h = data[offset + 1] >> 4;
+              var v = data[offset + 1] & 15;
+
+              if (maxH < h) {
+                maxH = h;
+              }
+
+              if (maxV < v) {
+                maxV = v;
+              }
+
+              var qId = data[offset + 2];
+              l = frame.components.push({
+                h,
+                v,
+                quantizationId: qId,
+                quantizationTable: null
+              });
+              frame.componentIds[componentId] = l - 1;
+              offset += 3;
+            }
+
+            frame.maxH = maxH;
+            frame.maxV = maxV;
+            prepareComponents(frame);
+            break;
+
+          case 0xffc4:
+            const huffmanLength = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+
+            for (i = 2; i < huffmanLength;) {
+              var huffmanTableSpec = data[offset++];
+              var codeLengths = new Uint8Array(16);
+              var codeLengthSum = 0;
+
+              for (j = 0; j < 16; j++, offset++) {
+                codeLengthSum += codeLengths[j] = data[offset];
+              }
+
+              var huffmanValues = new Uint8Array(codeLengthSum);
+
+              for (j = 0; j < codeLengthSum; j++, offset++) {
+                huffmanValues[j] = data[offset];
+              }
+
+              i += 17 + codeLengthSum;
+              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
+            }
+
+            break;
+
+          case 0xffdd:
+            offset += 2;
+            resetInterval = (0, _core_utils.readUint16)(data, offset);
+            offset += 2;
+            break;
+
+          case 0xffda:
+            const parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
+            offset += 2;
+            var selectorsCount = data[offset++];
+            var components = [],
+                component;
+
+            for (i = 0; i < selectorsCount; i++) {
+              const index = data[offset++];
+              var componentIndex = frame.componentIds[index];
+              component = frame.components[componentIndex];
+              component.index = index;
+              var tableSpec = data[offset++];
+              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+              components.push(component);
+            }
+
+            var spectralStart = data[offset++];
+            var spectralEnd = data[offset++];
+            var successiveApproximation = data[offset++];
+
+            try {
+              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
+              offset += processed;
+            } catch (ex) {
+              if (ex instanceof DNLMarkerError) {
+                (0, _util.warn)(`${ex.message} -- attempting to re-parse the JPEG image.`);
+                return this.parse(data, {
+                  dnlScanLines: ex.scanLines
+                });
+              } else if (ex instanceof EOIMarkerError) {
+                (0, _util.warn)(`${ex.message} -- ignoring the rest of the image data.`);
+                break markerLoop;
+              }
+
+              throw ex;
+            }
+
+            break;
+
+          case 0xffdc:
+            offset += 4;
+            break;
+
+          case 0xffff:
+            if (data[offset] !== 0xff) {
+              offset--;
+            }
+
+            break;
+
+          default:
+            const nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
+
+            if (nextFileMarker && nextFileMarker.invalid) {
+              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
+              offset = nextFileMarker.offset;
+              break;
+            }
+
+            if (offset >= data.length - 1) {
+              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
+              break markerLoop;
+            }
+
+            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
+        }
+
+        fileMarker = (0, _core_utils.readUint16)(data, offset);
+        offset += 2;
+      }
+
+      this.width = frame.samplesPerLine;
+      this.height = frame.scanLines;
+      this.jfif = jfif;
+      this.adobe = adobe;
+      this.components = [];
+
+      for (i = 0; i < frame.components.length; i++) {
+        component = frame.components[i];
+        var quantizationTable = quantizationTables[component.quantizationId];
+
+        if (quantizationTable) {
+          component.quantizationTable = quantizationTable;
+        }
+
+        this.components.push({
+          index: component.index,
+          output: buildComponentData(frame, component),
+          scaleX: component.h / frame.maxH,
+          scaleY: component.v / frame.maxV,
+          blocksPerLine: component.blocksPerLine,
+          blocksPerColumn: component.blocksPerColumn
+        });
+      }
+
+      this.numComponents = this.components.length;
+      return undefined;
+    },
+
+    _getLinearizedBlockData(width, height, isSourcePDF = false) {
+      var scaleX = this.width / width,
+          scaleY = this.height / height;
+      var component, componentScaleX, componentScaleY, blocksPerScanline;
+      var x, y, i, j, k;
+      var index;
+      var offset = 0;
+      var output;
+      var numComponents = this.components.length;
+      var dataLength = width * height * numComponents;
+      var data = new Uint8ClampedArray(dataLength);
+      var xScaleBlockOffset = new Uint32Array(width);
+      var mask3LSB = 0xfffffff8;
+      let lastComponentScaleX;
+
+      for (i = 0; i < numComponents; i++) {
+        component = this.components[i];
+        componentScaleX = component.scaleX * scaleX;
+        componentScaleY = component.scaleY * scaleY;
+        offset = i;
+        output = component.output;
+        blocksPerScanline = component.blocksPerLine + 1 << 3;
+
+        if (componentScaleX !== lastComponentScaleX) {
+          for (x = 0; x < width; x++) {
+            j = 0 | x * componentScaleX;
+            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
+          }
+
+          lastComponentScaleX = componentScaleX;
+        }
+
+        for (y = 0; y < height; y++) {
+          j = 0 | y * componentScaleY;
+          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
+
+          for (x = 0; x < width; x++) {
+            data[offset] = output[index + xScaleBlockOffset[x]];
+            offset += numComponents;
+          }
+        }
+      }
+
+      let transform = this._decodeTransform;
+
+      if (!isSourcePDF && numComponents === 4 && !transform) {
+        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
+      }
+
+      if (transform) {
+        for (i = 0; i < dataLength;) {
+          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
+            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
+          }
+        }
+      }
+
+      return data;
+    },
+
+    get _isColorConversionNeeded() {
+      if (this.adobe) {
+        return !!this.adobe.transformCode;
+      }
+
+      if (this.numComponents === 3) {
+        if (this._colorTransform === 0) {
+          return false;
+        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
+          return false;
+        }
+
+        return true;
+      }
+
+      if (this._colorTransform === 1) {
+        return true;
+      }
+
+      return false;
+    },
+
+    _convertYccToRgb: function convertYccToRgb(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 3) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = Y - 179.456 + 1.402 * Cr;
+        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
+        data[i + 2] = Y - 226.816 + 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertYcckToRgb: function convertYcckToRgb(data) {
+      var Y, Cb, Cr, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
+        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
+        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
+      }
+
+      return data.subarray(0, offset);
+    },
+    _convertYcckToCmyk: function convertYcckToCmyk(data) {
+      var Y, Cb, Cr;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        Y = data[i];
+        Cb = data[i + 1];
+        Cr = data[i + 2];
+        data[i] = 434.456 - Y - 1.402 * Cr;
+        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
+        data[i + 2] = 481.816 - Y - 1.772 * Cb;
+      }
+
+      return data;
+    },
+    _convertCmykToRgb: function convertCmykToRgb(data) {
+      var c, m, y, k;
+      var offset = 0;
+
+      for (var i = 0, length = data.length; i < length; i += 4) {
+        c = data[i];
+        m = data[i + 1];
+        y = data[i + 2];
+        k = data[i + 3];
+        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
+        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
+        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
+      }
+
+      return data.subarray(0, offset);
+    },
+
+    getData({
+      width,
+      height,
+      forceRGB = false,
+      isSourcePDF = false
+    }) {
+      if (this.numComponents > 4) {
+        throw new JpegError("Unsupported color mode");
+      }
+
+      var data = this._getLinearizedBlockData(width, height, isSourcePDF);
+
+      if (this.numComponents === 1 && forceRGB) {
+        var dataLength = data.length;
+        var rgbData = new Uint8ClampedArray(dataLength * 3);
+        var offset = 0;
+
+        for (var i = 0; i < dataLength; i++) {
+          var grayColor = data[i];
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+          rgbData[offset++] = grayColor;
+        }
+
+        return rgbData;
+      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
+        return this._convertYccToRgb(data);
+      } else if (this.numComponents === 4) {
+        if (this._isColorConversionNeeded) {
+          if (forceRGB) {
+            return this._convertYcckToRgb(data);
+          }
+
+          return this._convertYcckToCmyk(data);
+        } else if (forceRGB) {
+          return this._convertCmykToRgb(data);
+        }
+      }
+
+      return data;
+    }
+
+  };
+  return JpegImage;
+}();
+
+exports.JpegImage = JpegImage;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jpx.js b/node_modules/pdfjs-dist/lib/core/jpx.js
new file mode 100644
index 00000000..4bc1deb6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jpx.js
@@ -0,0 +1,2351 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxImage = void 0;
+
+var _util = require("../shared/util.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _arithmetic_decoder = require("./arithmetic_decoder.js");
+
+class JpxError extends _util.BaseException {
+  constructor(msg) {
+    super(`JPX error: ${msg}`);
+  }
+
+}
+
+var JpxImage = function JpxImageClosure() {
+  var SubbandsGainLog2 = {
+    LL: 0,
+    LH: 1,
+    HL: 1,
+    HH: 2
+  };
+
+  function JpxImage() {
+    this.failOnCorruptedImage = false;
+  }
+
+  JpxImage.prototype = {
+    parse: function JpxImage_parse(data) {
+      var head = (0, _core_utils.readUint16)(data, 0);
+
+      if (head === 0xff4f) {
+        this.parseCodestream(data, 0, data.length);
+        return;
+      }
+
+      var position = 0,
+          length = data.length;
+
+      while (position < length) {
+        var headerSize = 8;
+        var lbox = (0, _core_utils.readUint32)(data, position);
+        var tbox = (0, _core_utils.readUint32)(data, position + 4);
+        position += headerSize;
+
+        if (lbox === 1) {
+          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
+          position += 8;
+          headerSize += 8;
+        }
+
+        if (lbox === 0) {
+          lbox = length - position + headerSize;
+        }
+
+        if (lbox < headerSize) {
+          throw new JpxError("Invalid box field size");
+        }
+
+        var dataLength = lbox - headerSize;
+        var jumpDataLength = true;
+
+        switch (tbox) {
+          case 0x6a703268:
+            jumpDataLength = false;
+            break;
+
+          case 0x636f6c72:
+            var method = data[position];
+
+            if (method === 1) {
+              var colorspace = (0, _core_utils.readUint32)(data, position + 3);
+
+              switch (colorspace) {
+                case 16:
+                case 17:
+                case 18:
+                  break;
+
+                default:
+                  (0, _util.warn)("Unknown colorspace " + colorspace);
+                  break;
+              }
+            } else if (method === 2) {
+              (0, _util.info)("ICC profile not supported");
+            }
+
+            break;
+
+          case 0x6a703263:
+            this.parseCodestream(data, position, position + dataLength);
+            break;
+
+          case 0x6a502020:
+            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
+              (0, _util.warn)("Invalid JP2 signature");
+            }
+
+            break;
+
+          case 0x6a501a1a:
+          case 0x66747970:
+          case 0x72726571:
+          case 0x72657320:
+          case 0x69686472:
+            break;
+
+          default:
+            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
+            (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
+            break;
+        }
+
+        if (jumpDataLength) {
+          position += dataLength;
+        }
+      }
+    },
+    parseImageProperties: function JpxImage_parseImageProperties(stream) {
+      var newByte = stream.getByte();
+
+      while (newByte >= 0) {
+        var oldByte = newByte;
+        newByte = stream.getByte();
+        var code = oldByte << 8 | newByte;
+
+        if (code === 0xff51) {
+          stream.skip(4);
+          var Xsiz = stream.getInt32() >>> 0;
+          var Ysiz = stream.getInt32() >>> 0;
+          var XOsiz = stream.getInt32() >>> 0;
+          var YOsiz = stream.getInt32() >>> 0;
+          stream.skip(16);
+          var Csiz = stream.getUint16();
+          this.width = Xsiz - XOsiz;
+          this.height = Ysiz - YOsiz;
+          this.componentsCount = Csiz;
+          this.bitsPerComponent = 8;
+          return;
+        }
+      }
+
+      throw new JpxError("No size marker found in JPX stream");
+    },
+    parseCodestream: function JpxImage_parseCodestream(data, start, end) {
+      var context = {};
+      var doNotRecover = false;
+
+      try {
+        var position = start;
+
+        while (position + 1 < end) {
+          var code = (0, _core_utils.readUint16)(data, position);
+          position += 2;
+          var length = 0,
+              j,
+              sqcd,
+              spqcds,
+              spqcdSize,
+              scalarExpounded,
+              tile;
+
+          switch (code) {
+            case 0xff4f:
+              context.mainHeader = true;
+              break;
+
+            case 0xffd9:
+              break;
+
+            case 0xff51:
+              length = (0, _core_utils.readUint16)(data, position);
+              var siz = {};
+              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
+              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
+              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
+              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
+              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
+              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
+              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
+              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
+              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
+              siz.Csiz = componentsCount;
+              var components = [];
+              j = position + 38;
+
+              for (var i = 0; i < componentsCount; i++) {
+                var component = {
+                  precision: (data[j] & 0x7f) + 1,
+                  isSigned: !!(data[j] & 0x80),
+                  XRsiz: data[j + 1],
+                  YRsiz: data[j + 2]
+                };
+                j += 3;
+                calculateComponentDimensions(component, siz);
+                components.push(component);
+              }
+
+              context.SIZ = siz;
+              context.components = components;
+              calculateTileGrids(context, components);
+              context.QCC = [];
+              context.COC = [];
+              break;
+
+            case 0xff5c:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcd = {};
+              j = position + 2;
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcd.noQuantization = spqcdSize === 8;
+              qcd.scalarExpounded = scalarExpounded;
+              qcd.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                var spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcd.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCD = qcd;
+              } else {
+                context.currentTile.QCD = qcd;
+                context.currentTile.QCC = [];
+              }
+
+              break;
+
+            case 0xff5d:
+              length = (0, _core_utils.readUint16)(data, position);
+              var qcc = {};
+              j = position + 2;
+              var cqcc;
+
+              if (context.SIZ.Csiz < 257) {
+                cqcc = data[j++];
+              } else {
+                cqcc = (0, _core_utils.readUint16)(data, j);
+                j += 2;
+              }
+
+              sqcd = data[j++];
+
+              switch (sqcd & 0x1f) {
+                case 0:
+                  spqcdSize = 8;
+                  scalarExpounded = true;
+                  break;
+
+                case 1:
+                  spqcdSize = 16;
+                  scalarExpounded = false;
+                  break;
+
+                case 2:
+                  spqcdSize = 16;
+                  scalarExpounded = true;
+                  break;
+
+                default:
+                  throw new Error("Invalid SQcd value " + sqcd);
+              }
+
+              qcc.noQuantization = spqcdSize === 8;
+              qcc.scalarExpounded = scalarExpounded;
+              qcc.guardBits = sqcd >> 5;
+              spqcds = [];
+
+              while (j < length + position) {
+                spqcd = {};
+
+                if (spqcdSize === 8) {
+                  spqcd.epsilon = data[j++] >> 3;
+                  spqcd.mu = 0;
+                } else {
+                  spqcd.epsilon = data[j] >> 3;
+                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
+                  j += 2;
+                }
+
+                spqcds.push(spqcd);
+              }
+
+              qcc.SPqcds = spqcds;
+
+              if (context.mainHeader) {
+                context.QCC[cqcc] = qcc;
+              } else {
+                context.currentTile.QCC[cqcc] = qcc;
+              }
+
+              break;
+
+            case 0xff52:
+              length = (0, _core_utils.readUint16)(data, position);
+              var cod = {};
+              j = position + 2;
+              var scod = data[j++];
+              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+              cod.sopMarkerUsed = !!(scod & 2);
+              cod.ephMarkerUsed = !!(scod & 4);
+              cod.progressionOrder = data[j++];
+              cod.layersCount = (0, _core_utils.readUint16)(data, j);
+              j += 2;
+              cod.multipleComponentTransform = data[j++];
+              cod.decompositionLevelsCount = data[j++];
+              cod.xcb = (data[j++] & 0xf) + 2;
+              cod.ycb = (data[j++] & 0xf) + 2;
+              var blockStyle = data[j++];
+              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+              cod.resetContextProbabilities = !!(blockStyle & 2);
+              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+              cod.verticallyStripe = !!(blockStyle & 8);
+              cod.predictableTermination = !!(blockStyle & 16);
+              cod.segmentationSymbolUsed = !!(blockStyle & 32);
+              cod.reversibleTransformation = data[j++];
+
+              if (cod.entropyCoderWithCustomPrecincts) {
+                var precinctsSizes = [];
+
+                while (j < length + position) {
+                  var precinctsSize = data[j++];
+                  precinctsSizes.push({
+                    PPx: precinctsSize & 0xf,
+                    PPy: precinctsSize >> 4
+                  });
+                }
+
+                cod.precinctsSizes = precinctsSizes;
+              }
+
+              var unsupported = [];
+
+              if (cod.selectiveArithmeticCodingBypass) {
+                unsupported.push("selectiveArithmeticCodingBypass");
+              }
+
+              if (cod.resetContextProbabilities) {
+                unsupported.push("resetContextProbabilities");
+              }
+
+              if (cod.terminationOnEachCodingPass) {
+                unsupported.push("terminationOnEachCodingPass");
+              }
+
+              if (cod.verticallyStripe) {
+                unsupported.push("verticallyStripe");
+              }
+
+              if (cod.predictableTermination) {
+                unsupported.push("predictableTermination");
+              }
+
+              if (unsupported.length > 0) {
+                doNotRecover = true;
+                throw new Error("Unsupported COD options (" + unsupported.join(", ") + ")");
+              }
+
+              if (context.mainHeader) {
+                context.COD = cod;
+              } else {
+                context.currentTile.COD = cod;
+                context.currentTile.COC = [];
+              }
+
+              break;
+
+            case 0xff90:
+              length = (0, _core_utils.readUint16)(data, position);
+              tile = {};
+              tile.index = (0, _core_utils.readUint16)(data, position + 2);
+              tile.length = (0, _core_utils.readUint32)(data, position + 4);
+              tile.dataEnd = tile.length + position - 2;
+              tile.partIndex = data[position + 8];
+              tile.partsCount = data[position + 9];
+              context.mainHeader = false;
+
+              if (tile.partIndex === 0) {
+                tile.COD = context.COD;
+                tile.COC = context.COC.slice(0);
+                tile.QCD = context.QCD;
+                tile.QCC = context.QCC.slice(0);
+              }
+
+              context.currentTile = tile;
+              break;
+
+            case 0xff93:
+              tile = context.currentTile;
+
+              if (tile.partIndex === 0) {
+                initializeTile(context, tile.index);
+                buildPackets(context);
+              }
+
+              length = tile.dataEnd - position;
+              parseTilePackets(context, data, position, length);
+              break;
+
+            case 0xff55:
+            case 0xff57:
+            case 0xff58:
+            case 0xff64:
+              length = (0, _core_utils.readUint16)(data, position);
+              break;
+
+            case 0xff53:
+              throw new Error("Codestream code 0xFF53 (COC) is not implemented");
+
+            default:
+              throw new Error("Unknown codestream code: " + code.toString(16));
+          }
+
+          position += length;
+        }
+      } catch (e) {
+        if (doNotRecover || this.failOnCorruptedImage) {
+          throw new JpxError(e.message);
+        } else {
+          (0, _util.warn)("JPX: Trying to recover from: " + e.message);
+        }
+      }
+
+      this.tiles = transformComponents(context);
+      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
+      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
+      this.componentsCount = context.SIZ.Csiz;
+    }
+  };
+
+  function calculateComponentDimensions(component, siz) {
+    component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
+    component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
+    component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
+    component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
+    component.width = component.x1 - component.x0;
+    component.height = component.y1 - component.y0;
+  }
+
+  function calculateTileGrids(context, components) {
+    var siz = context.SIZ;
+    var tile,
+        tiles = [];
+    var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
+    var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
+
+    for (var q = 0; q < numYtiles; q++) {
+      for (var p = 0; p < numXtiles; p++) {
+        tile = {};
+        tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
+        tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
+        tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
+        tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
+        tile.width = tile.tx1 - tile.tx0;
+        tile.height = tile.ty1 - tile.ty0;
+        tile.components = [];
+        tiles.push(tile);
+      }
+    }
+
+    context.tiles = tiles;
+    var componentsCount = siz.Csiz;
+
+    for (var i = 0, ii = componentsCount; i < ii; i++) {
+      var component = components[i];
+
+      for (var j = 0, jj = tiles.length; j < jj; j++) {
+        var tileComponent = {};
+        tile = tiles[j];
+        tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
+        tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
+        tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
+        tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
+        tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
+        tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
+        tile.components[i] = tileComponent;
+      }
+    }
+  }
+
+  function getBlocksDimensions(context, component, r) {
+    var codOrCoc = component.codingStyleParameters;
+    var result = {};
+
+    if (!codOrCoc.entropyCoderWithCustomPrecincts) {
+      result.PPx = 15;
+      result.PPy = 15;
+    } else {
+      result.PPx = codOrCoc.precinctsSizes[r].PPx;
+      result.PPy = codOrCoc.precinctsSizes[r].PPy;
+    }
+
+    result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
+    result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
+    return result;
+  }
+
+  function buildPrecincts(context, resolution, dimensions) {
+    var precinctWidth = 1 << dimensions.PPx;
+    var precinctHeight = 1 << dimensions.PPy;
+    var isZeroRes = resolution.resLevel === 0;
+    var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
+    var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
+    var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
+    var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
+    var numprecincts = numprecinctswide * numprecinctshigh;
+    resolution.precinctParameters = {
+      precinctWidth,
+      precinctHeight,
+      numprecinctswide,
+      numprecinctshigh,
+      numprecincts,
+      precinctWidthInSubband,
+      precinctHeightInSubband
+    };
+  }
+
+  function buildCodeblocks(context, subband, dimensions) {
+    var xcb_ = dimensions.xcb_;
+    var ycb_ = dimensions.ycb_;
+    var codeblockWidth = 1 << xcb_;
+    var codeblockHeight = 1 << ycb_;
+    var cbx0 = subband.tbx0 >> xcb_;
+    var cby0 = subband.tby0 >> ycb_;
+    var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
+    var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
+    var precinctParameters = subband.resolution.precinctParameters;
+    var codeblocks = [];
+    var precincts = [];
+    var i, j, codeblock, precinctNumber;
+
+    for (j = cby0; j < cby1; j++) {
+      for (i = cbx0; i < cbx1; i++) {
+        codeblock = {
+          cbx: i,
+          cby: j,
+          tbx0: codeblockWidth * i,
+          tby0: codeblockHeight * j,
+          tbx1: codeblockWidth * (i + 1),
+          tby1: codeblockHeight * (j + 1)
+        };
+        codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
+        codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
+        codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
+        codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
+        var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
+        var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
+        precinctNumber = pi + pj * precinctParameters.numprecinctswide;
+        codeblock.precinctNumber = precinctNumber;
+        codeblock.subbandType = subband.type;
+        codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
+
+        codeblocks.push(codeblock);
+        var precinct = precincts[precinctNumber];
+
+        if (precinct !== undefined) {
+          if (i < precinct.cbxMin) {
+            precinct.cbxMin = i;
+          } else if (i > precinct.cbxMax) {
+            precinct.cbxMax = i;
+          }
+
+          if (j < precinct.cbyMin) {
+            precinct.cbxMin = j;
+          } else if (j > precinct.cbyMax) {
+            precinct.cbyMax = j;
+          }
+        } else {
+          precincts[precinctNumber] = precinct = {
+            cbxMin: i,
+            cbyMin: j,
+            cbxMax: i,
+            cbyMax: j
+          };
+        }
+
+        codeblock.precinct = precinct;
+      }
+    }
+
+    subband.codeblockParameters = {
+      codeblockWidth: xcb_,
+      codeblockHeight: ycb_,
+      numcodeblockwide: cbx1 - cbx0 + 1,
+      numcodeblockhigh: cby1 - cby0 + 1
+    };
+    subband.codeblocks = codeblocks;
+    subband.precincts = precincts;
+  }
+
+  function createPacket(resolution, precinctNumber, layerNumber) {
+    var precinctCodeblocks = [];
+    var subbands = resolution.subbands;
+
+    for (var i = 0, ii = subbands.length; i < ii; i++) {
+      var subband = subbands[i];
+      var codeblocks = subband.codeblocks;
+
+      for (var j = 0, jj = codeblocks.length; j < jj; j++) {
+        var codeblock = codeblocks[j];
+
+        if (codeblock.precinctNumber !== precinctNumber) {
+          continue;
+        }
+
+        precinctCodeblocks.push(codeblock);
+      }
+    }
+
+    return {
+      layerNumber,
+      codeblocks: precinctCodeblocks
+    };
+  }
+
+  function LayerResolutionComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var l = 0,
+        r = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; l < layersCount; l++) {
+        for (; r <= maxDecompositionLevelsCount; r++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        r = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionLayerComponentPositionIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var maxDecompositionLevelsCount = 0;
+
+    for (var q = 0; q < componentsCount; q++) {
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var r = 0,
+        l = 0,
+        i = 0,
+        k = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; l < layersCount; l++) {
+          for (; i < componentsCount; i++) {
+            var component = tile.components[i];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            for (; k < numprecincts;) {
+              var packet = createPacket(resolution, k, l);
+              k++;
+              return packet;
+            }
+
+            k = 0;
+          }
+
+          i = 0;
+        }
+
+        l = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ResolutionPositionComponentLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var l, r, c, p;
+    var maxDecompositionLevelsCount = 0;
+
+    for (c = 0; c < componentsCount; c++) {
+      const component = tile.components[c];
+      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
+    }
+
+    var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
+
+    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
+      var maxNumPrecincts = 0;
+
+      for (c = 0; c < componentsCount; ++c) {
+        var resolutions = tile.components[c].resolutions;
+
+        if (r < resolutions.length) {
+          maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
+        }
+      }
+
+      maxNumPrecinctsInLevel[r] = maxNumPrecincts;
+    }
+
+    l = 0;
+    r = 0;
+    c = 0;
+    p = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; r <= maxDecompositionLevelsCount; r++) {
+        for (; p < maxNumPrecinctsInLevel[r]; p++) {
+          for (; c < componentsCount; c++) {
+            const component = tile.components[c];
+
+            if (r > component.codingStyleParameters.decompositionLevelsCount) {
+              continue;
+            }
+
+            var resolution = component.resolutions[r];
+            var numprecincts = resolution.precinctParameters.numprecincts;
+
+            if (p >= numprecincts) {
+              continue;
+            }
+
+            for (; l < layersCount;) {
+              var packet = createPacket(resolution, p, l);
+              l++;
+              return packet;
+            }
+
+            l = 0;
+          }
+
+          c = 0;
+        }
+
+        p = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function PositionComponentResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var precinctsIterationSizes = precinctsSizes;
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+          for (; c < componentsCount; c++) {
+            var component = tile.components[c];
+            var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          c = 0;
+        }
+
+        px = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function ComponentPositionResolutionLayerIterator(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var layersCount = tile.codingStyleDefaultParameters.layersCount;
+    var componentsCount = siz.Csiz;
+    var precinctsSizes = getPrecinctSizesInImageScale(tile);
+    var l = 0,
+        r = 0,
+        c = 0,
+        px = 0,
+        py = 0;
+
+    this.nextPacket = function JpxImage_nextPacket() {
+      for (; c < componentsCount; ++c) {
+        var component = tile.components[c];
+        var precinctsIterationSizes = precinctsSizes.components[c];
+        var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+
+        for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+          for (; px < precinctsIterationSizes.maxNumWide; px++) {
+            for (; r <= decompositionLevelsCount; r++) {
+              var resolution = component.resolutions[r];
+              var sizeInImageScale = precinctsIterationSizes.resolutions[r];
+              var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
+
+              if (k === null) {
+                continue;
+              }
+
+              for (; l < layersCount;) {
+                var packet = createPacket(resolution, k, l);
+                l++;
+                return packet;
+              }
+
+              l = 0;
+            }
+
+            r = 0;
+          }
+
+          px = 0;
+        }
+
+        py = 0;
+      }
+
+      throw new JpxError("Out of packets");
+    };
+  }
+
+  function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
+    var posX = pxIndex * precinctIterationSizes.minWidth;
+    var posY = pyIndex * precinctIterationSizes.minHeight;
+
+    if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
+      return null;
+    }
+
+    var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
+    return posX / sizeInImageScale.height + startPrecinctRowIndex;
+  }
+
+  function getPrecinctSizesInImageScale(tile) {
+    var componentsCount = tile.components.length;
+    var minWidth = Number.MAX_VALUE;
+    var minHeight = Number.MAX_VALUE;
+    var maxNumWide = 0;
+    var maxNumHigh = 0;
+    var sizePerComponent = new Array(componentsCount);
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var sizePerResolution = new Array(decompositionLevelsCount + 1);
+      var minWidthCurrentComponent = Number.MAX_VALUE;
+      var minHeightCurrentComponent = Number.MAX_VALUE;
+      var maxNumWideCurrentComponent = 0;
+      var maxNumHighCurrentComponent = 0;
+      var scale = 1;
+
+      for (var r = decompositionLevelsCount; r >= 0; --r) {
+        var resolution = component.resolutions[r];
+        var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
+        var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
+        minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
+        minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
+        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
+        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
+        sizePerResolution[r] = {
+          width: widthCurrentResolution,
+          height: heightCurrentResolution
+        };
+        scale <<= 1;
+      }
+
+      minWidth = Math.min(minWidth, minWidthCurrentComponent);
+      minHeight = Math.min(minHeight, minHeightCurrentComponent);
+      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
+      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
+      sizePerComponent[c] = {
+        resolutions: sizePerResolution,
+        minWidth: minWidthCurrentComponent,
+        minHeight: minHeightCurrentComponent,
+        maxNumWide: maxNumWideCurrentComponent,
+        maxNumHigh: maxNumHighCurrentComponent
+      };
+    }
+
+    return {
+      components: sizePerComponent,
+      minWidth,
+      minHeight,
+      maxNumWide,
+      maxNumHigh
+    };
+  }
+
+  function buildPackets(context) {
+    var siz = context.SIZ;
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var componentsCount = siz.Csiz;
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
+      var resolutions = [];
+      var subbands = [];
+
+      for (var r = 0; r <= decompositionLevelsCount; r++) {
+        var blocksDimensions = getBlocksDimensions(context, component, r);
+        var resolution = {};
+        var scale = 1 << decompositionLevelsCount - r;
+        resolution.trx0 = Math.ceil(component.tcx0 / scale);
+        resolution.try0 = Math.ceil(component.tcy0 / scale);
+        resolution.trx1 = Math.ceil(component.tcx1 / scale);
+        resolution.try1 = Math.ceil(component.tcy1 / scale);
+        resolution.resLevel = r;
+        buildPrecincts(context, resolution, blocksDimensions);
+        resolutions.push(resolution);
+        var subband;
+
+        if (r === 0) {
+          subband = {};
+          subband.type = "LL";
+          subband.tbx0 = Math.ceil(component.tcx0 / scale);
+          subband.tby0 = Math.ceil(component.tcy0 / scale);
+          subband.tbx1 = Math.ceil(component.tcx1 / scale);
+          subband.tby1 = Math.ceil(component.tcy1 / scale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolution.subbands = [subband];
+        } else {
+          var bscale = 1 << decompositionLevelsCount - r + 1;
+          var resolutionSubbands = [];
+          subband = {};
+          subband.type = "HL";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "LH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          subband = {};
+          subband.type = "HH";
+          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
+          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
+          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
+          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
+          subband.resolution = resolution;
+          buildCodeblocks(context, subband, blocksDimensions);
+          subbands.push(subband);
+          resolutionSubbands.push(subband);
+          resolution.subbands = resolutionSubbands;
+        }
+      }
+
+      component.resolutions = resolutions;
+      component.subbands = subbands;
+    }
+
+    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
+
+    switch (progressionOrder) {
+      case 0:
+        tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+        break;
+
+      case 1:
+        tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+        break;
+
+      case 2:
+        tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+        break;
+
+      case 3:
+        tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+        break;
+
+      case 4:
+        tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+        break;
+
+      default:
+        throw new JpxError(`Unsupported progression order ${progressionOrder}`);
+    }
+  }
+
+  function parseTilePackets(context, data, offset, dataLength) {
+    var position = 0;
+    var buffer,
+        bufferSize = 0,
+        skipNextBit = false;
+
+    function readBits(count) {
+      while (bufferSize < count) {
+        var b = data[offset + position];
+        position++;
+
+        if (skipNextBit) {
+          buffer = buffer << 7 | b;
+          bufferSize += 7;
+          skipNextBit = false;
+        } else {
+          buffer = buffer << 8 | b;
+          bufferSize += 8;
+        }
+
+        if (b === 0xff) {
+          skipNextBit = true;
+        }
+      }
+
+      bufferSize -= count;
+      return buffer >>> bufferSize & (1 << count) - 1;
+    }
+
+    function skipMarkerIfEqual(value) {
+      if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
+        skipBytes(1);
+        return true;
+      } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
+        skipBytes(2);
+        return true;
+      }
+
+      return false;
+    }
+
+    function skipBytes(count) {
+      position += count;
+    }
+
+    function alignToByte() {
+      bufferSize = 0;
+
+      if (skipNextBit) {
+        position++;
+        skipNextBit = false;
+      }
+    }
+
+    function readCodingpasses() {
+      if (readBits(1) === 0) {
+        return 1;
+      }
+
+      if (readBits(1) === 0) {
+        return 2;
+      }
+
+      var value = readBits(2);
+
+      if (value < 3) {
+        return value + 3;
+      }
+
+      value = readBits(5);
+
+      if (value < 31) {
+        return value + 6;
+      }
+
+      value = readBits(7);
+      return value + 37;
+    }
+
+    var tileIndex = context.currentTile.index;
+    var tile = context.tiles[tileIndex];
+    var sopMarkerUsed = context.COD.sopMarkerUsed;
+    var ephMarkerUsed = context.COD.ephMarkerUsed;
+    var packetsIterator = tile.packetsIterator;
+
+    while (position < dataLength) {
+      alignToByte();
+
+      if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
+        skipBytes(4);
+      }
+
+      var packet = packetsIterator.nextPacket();
+
+      if (!readBits(1)) {
+        continue;
+      }
+
+      var layerNumber = packet.layerNumber;
+      var queue = [],
+          codeblock;
+
+      for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
+        codeblock = packet.codeblocks[i];
+        var precinct = codeblock.precinct;
+        var codeblockColumn = codeblock.cbx - precinct.cbxMin;
+        var codeblockRow = codeblock.cby - precinct.cbyMin;
+        var codeblockIncluded = false;
+        var firstTimeInclusion = false;
+        var valueReady;
+
+        if (codeblock.included !== undefined) {
+          codeblockIncluded = !!readBits(1);
+        } else {
+          precinct = codeblock.precinct;
+          var inclusionTree, zeroBitPlanesTree;
+
+          if (precinct.inclusionTree !== undefined) {
+            inclusionTree = precinct.inclusionTree;
+          } else {
+            var width = precinct.cbxMax - precinct.cbxMin + 1;
+            var height = precinct.cbyMax - precinct.cbyMin + 1;
+            inclusionTree = new InclusionTree(width, height, layerNumber);
+            zeroBitPlanesTree = new TagTree(width, height);
+            precinct.inclusionTree = inclusionTree;
+            precinct.zeroBitPlanesTree = zeroBitPlanesTree;
+          }
+
+          if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
+            while (true) {
+              if (readBits(1)) {
+                valueReady = !inclusionTree.nextLevel();
+
+                if (valueReady) {
+                  codeblock.included = true;
+                  codeblockIncluded = firstTimeInclusion = true;
+                  break;
+                }
+              } else {
+                inclusionTree.incrementValue(layerNumber);
+                break;
+              }
+            }
+          }
+        }
+
+        if (!codeblockIncluded) {
+          continue;
+        }
+
+        if (firstTimeInclusion) {
+          zeroBitPlanesTree = precinct.zeroBitPlanesTree;
+          zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
+
+          while (true) {
+            if (readBits(1)) {
+              valueReady = !zeroBitPlanesTree.nextLevel();
+
+              if (valueReady) {
+                break;
+              }
+            } else {
+              zeroBitPlanesTree.incrementValue();
+            }
+          }
+
+          codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
+        }
+
+        var codingpasses = readCodingpasses();
+
+        while (readBits(1)) {
+          codeblock.Lblock++;
+        }
+
+        var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
+        var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
+        var codedDataLength = readBits(bits);
+        queue.push({
+          codeblock,
+          codingpasses,
+          dataLength: codedDataLength
+        });
+      }
+
+      alignToByte();
+
+      if (ephMarkerUsed) {
+        skipMarkerIfEqual(0x92);
+      }
+
+      while (queue.length > 0) {
+        var packetItem = queue.shift();
+        codeblock = packetItem.codeblock;
+
+        if (codeblock.data === undefined) {
+          codeblock.data = [];
+        }
+
+        codeblock.data.push({
+          data,
+          start: offset + position,
+          end: offset + position + packetItem.dataLength,
+          codingpasses: packetItem.codingpasses
+        });
+        position += packetItem.dataLength;
+      }
+    }
+
+    return position;
+  }
+
+  function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
+    var x0 = subband.tbx0;
+    var y0 = subband.tby0;
+    var width = subband.tbx1 - subband.tbx0;
+    var codeblocks = subband.codeblocks;
+    var right = subband.type.charAt(0) === "H" ? 1 : 0;
+    var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
+
+    for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
+      var codeblock = codeblocks[i];
+      var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
+      var blockHeight = codeblock.tby1_ - codeblock.tby0_;
+
+      if (blockWidth === 0 || blockHeight === 0) {
+        continue;
+      }
+
+      if (codeblock.data === undefined) {
+        continue;
+      }
+
+      var bitModel, currentCodingpassType;
+      bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
+      currentCodingpassType = 2;
+      var data = codeblock.data,
+          totalLength = 0,
+          codingpasses = 0;
+      var j, jj, dataItem;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        totalLength += dataItem.end - dataItem.start;
+        codingpasses += dataItem.codingpasses;
+      }
+
+      var encodedData = new Uint8Array(totalLength);
+      var position = 0;
+
+      for (j = 0, jj = data.length; j < jj; j++) {
+        dataItem = data[j];
+        var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
+        encodedData.set(chunk, position);
+        position += chunk.length;
+      }
+
+      var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
+      bitModel.setDecoder(decoder);
+
+      for (j = 0; j < codingpasses; j++) {
+        switch (currentCodingpassType) {
+          case 0:
+            bitModel.runSignificancePropagationPass();
+            break;
+
+          case 1:
+            bitModel.runMagnitudeRefinementPass();
+            break;
+
+          case 2:
+            bitModel.runCleanupPass();
+
+            if (segmentationSymbolUsed) {
+              bitModel.checkSegmentationSymbol();
+            }
+
+            break;
+        }
+
+        currentCodingpassType = (currentCodingpassType + 1) % 3;
+      }
+
+      var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
+      var sign = bitModel.coefficentsSign;
+      var magnitude = bitModel.coefficentsMagnitude;
+      var bitsDecoded = bitModel.bitsDecoded;
+      var magnitudeCorrection = reversible ? 0 : 0.5;
+      var k, n, nb;
+      position = 0;
+      var interleave = subband.type !== "LL";
+
+      for (j = 0; j < blockHeight; j++) {
+        var row = offset / width | 0;
+        var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
+
+        for (k = 0; k < blockWidth; k++) {
+          n = magnitude[position];
+
+          if (n !== 0) {
+            n = (n + magnitudeCorrection) * delta;
+
+            if (sign[position] !== 0) {
+              n = -n;
+            }
+
+            nb = bitsDecoded[position];
+            var pos = interleave ? levelOffset + (offset << 1) : offset;
+
+            if (reversible && nb >= mb) {
+              coefficients[pos] = n;
+            } else {
+              coefficients[pos] = n * (1 << mb - nb);
+            }
+          }
+
+          offset++;
+          position++;
+        }
+
+        offset += width - blockWidth;
+      }
+    }
+  }
+
+  function transformTile(context, tile, c) {
+    var component = tile.components[c];
+    var codingStyleParameters = component.codingStyleParameters;
+    var quantizationParameters = component.quantizationParameters;
+    var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
+    var spqcds = quantizationParameters.SPqcds;
+    var scalarExpounded = quantizationParameters.scalarExpounded;
+    var guardBits = quantizationParameters.guardBits;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
+    var precision = context.components[c].precision;
+    var reversible = codingStyleParameters.reversibleTransformation;
+    var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
+    var subbandCoefficients = [];
+    var b = 0;
+
+    for (var i = 0; i <= decompositionLevelsCount; i++) {
+      var resolution = component.resolutions[i];
+      var width = resolution.trx1 - resolution.trx0;
+      var height = resolution.try1 - resolution.try0;
+      var coefficients = new Float32Array(width * height);
+
+      for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
+        var mu, epsilon;
+
+        if (!scalarExpounded) {
+          mu = spqcds[0].mu;
+          epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
+        } else {
+          mu = spqcds[b].mu;
+          epsilon = spqcds[b].epsilon;
+          b++;
+        }
+
+        var subband = resolution.subbands[j];
+        var gainLog2 = SubbandsGainLog2[subband.type];
+        var delta = reversible ? 1 : 2 ** (precision + gainLog2 - epsilon) * (1 + mu / 2048);
+        var mb = guardBits + epsilon - 1;
+        copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
+      }
+
+      subbandCoefficients.push({
+        width,
+        height,
+        items: coefficients
+      });
+    }
+
+    var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
+    return {
+      left: component.tcx0,
+      top: component.tcy0,
+      width: result.width,
+      height: result.height,
+      items: result.items
+    };
+  }
+
+  function transformComponents(context) {
+    var siz = context.SIZ;
+    var components = context.components;
+    var componentsCount = siz.Csiz;
+    var resultImages = [];
+
+    for (var i = 0, ii = context.tiles.length; i < ii; i++) {
+      var tile = context.tiles[i];
+      var transformedTiles = [];
+      var c;
+
+      for (c = 0; c < componentsCount; c++) {
+        transformedTiles[c] = transformTile(context, tile, c);
+      }
+
+      var tile0 = transformedTiles[0];
+      var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
+      var result = {
+        left: tile0.left,
+        top: tile0.top,
+        width: tile0.width,
+        height: tile0.height,
+        items: out
+      };
+      var shift, offset;
+      var pos = 0,
+          j,
+          jj,
+          y0,
+          y1,
+          y2;
+
+      if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
+        var fourComponents = componentsCount === 4;
+        var y0items = transformedTiles[0].items;
+        var y1items = transformedTiles[1].items;
+        var y2items = transformedTiles[2].items;
+        var y3items = fourComponents ? transformedTiles[3].items : null;
+        shift = components[0].precision - 8;
+        offset = (128 << shift) + 0.5;
+        var component0 = tile.components[0];
+        var alpha01 = componentsCount - 3;
+        jj = y0items.length;
+
+        if (!component0.codingStyleParameters.reversibleTransformation) {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            out[pos++] = y0 + 1.402 * y2 >> shift;
+            out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
+            out[pos++] = y0 + 1.772 * y1 >> shift;
+          }
+        } else {
+          for (j = 0; j < jj; j++, pos += alpha01) {
+            y0 = y0items[j] + offset;
+            y1 = y1items[j];
+            y2 = y2items[j];
+            const g = y0 - (y2 + y1 >> 2);
+            out[pos++] = g + y2 >> shift;
+            out[pos++] = g >> shift;
+            out[pos++] = g + y1 >> shift;
+          }
+        }
+
+        if (fourComponents) {
+          for (j = 0, pos = 3; j < jj; j++, pos += 4) {
+            out[pos] = y3items[j] + offset >> shift;
+          }
+        }
+      } else {
+        for (c = 0; c < componentsCount; c++) {
+          var items = transformedTiles[c].items;
+          shift = components[c].precision - 8;
+          offset = (128 << shift) + 0.5;
+
+          for (pos = c, j = 0, jj = items.length; j < jj; j++) {
+            out[pos] = items[j] + offset >> shift;
+            pos += componentsCount;
+          }
+        }
+      }
+
+      resultImages.push(result);
+    }
+
+    return resultImages;
+  }
+
+  function initializeTile(context, tileIndex) {
+    var siz = context.SIZ;
+    var componentsCount = siz.Csiz;
+    var tile = context.tiles[tileIndex];
+
+    for (var c = 0; c < componentsCount; c++) {
+      var component = tile.components[c];
+      var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
+      component.quantizationParameters = qcdOrQcc;
+      var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
+      component.codingStyleParameters = codOrCoc;
+    }
+
+    tile.codingStyleDefaultParameters = context.currentTile.COD;
+  }
+
+  var TagTree = function TagTreeClosure() {
+    function TagTree(width, height) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var level = {
+          width,
+          height,
+          items: []
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    TagTree.prototype = {
+      reset: function TagTree_reset(i, j) {
+        var currentLevel = 0,
+            value = 0,
+            level;
+
+        while (currentLevel < this.levels.length) {
+          level = this.levels[currentLevel];
+          var index = i + j * level.width;
+
+          if (level.items[index] !== undefined) {
+            value = level.items[index];
+            break;
+          }
+
+          level.index = index;
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        currentLevel--;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        this.currentLevel = currentLevel;
+        delete this.value;
+      },
+      incrementValue: function TagTree_incrementValue() {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index]++;
+      },
+      nextLevel: function TagTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          this.value = value;
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return TagTree;
+  }();
+
+  var InclusionTree = function InclusionTreeClosure() {
+    function InclusionTree(width, height, defaultValue) {
+      var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
+      this.levels = [];
+
+      for (var i = 0; i < levelsLength; i++) {
+        var items = new Uint8Array(width * height);
+
+        for (var j = 0, jj = items.length; j < jj; j++) {
+          items[j] = defaultValue;
+        }
+
+        var level = {
+          width,
+          height,
+          items
+        };
+        this.levels.push(level);
+        width = Math.ceil(width / 2);
+        height = Math.ceil(height / 2);
+      }
+    }
+
+    InclusionTree.prototype = {
+      reset: function InclusionTree_reset(i, j, stopValue) {
+        var currentLevel = 0;
+
+        while (currentLevel < this.levels.length) {
+          var level = this.levels[currentLevel];
+          var index = i + j * level.width;
+          level.index = index;
+          var value = level.items[index];
+
+          if (value === 0xff) {
+            break;
+          }
+
+          if (value > stopValue) {
+            this.currentLevel = currentLevel;
+            this.propagateValues();
+            return false;
+          }
+
+          i >>= 1;
+          j >>= 1;
+          currentLevel++;
+        }
+
+        this.currentLevel = currentLevel - 1;
+        return true;
+      },
+      incrementValue: function InclusionTree_incrementValue(stopValue) {
+        var level = this.levels[this.currentLevel];
+        level.items[level.index] = stopValue + 1;
+        this.propagateValues();
+      },
+      propagateValues: function InclusionTree_propagateValues() {
+        var levelIndex = this.currentLevel;
+        var level = this.levels[levelIndex];
+        var currentValue = level.items[level.index];
+
+        while (--levelIndex >= 0) {
+          level = this.levels[levelIndex];
+          level.items[level.index] = currentValue;
+        }
+      },
+      nextLevel: function InclusionTree_nextLevel() {
+        var currentLevel = this.currentLevel;
+        var level = this.levels[currentLevel];
+        var value = level.items[level.index];
+        level.items[level.index] = 0xff;
+        currentLevel--;
+
+        if (currentLevel < 0) {
+          return false;
+        }
+
+        this.currentLevel = currentLevel;
+        level = this.levels[currentLevel];
+        level.items[level.index] = value;
+        return true;
+      }
+    };
+    return InclusionTree;
+  }();
+
+  var BitModel = function BitModelClosure() {
+    var UNIFORM_CONTEXT = 17;
+    var RUNLENGTH_CONTEXT = 18;
+    var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+    var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+    var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
+
+    function BitModel(width, height, subband, zeroBitPlanes, mb) {
+      this.width = width;
+      this.height = height;
+      let contextLabelTable;
+
+      if (subband === "HH") {
+        contextLabelTable = HHContextLabel;
+      } else if (subband === "HL") {
+        contextLabelTable = HLContextLabel;
+      } else {
+        contextLabelTable = LLAndLHContextsLabel;
+      }
+
+      this.contextLabelTable = contextLabelTable;
+      var coefficientCount = width * height;
+      this.neighborsSignificance = new Uint8Array(coefficientCount);
+      this.coefficentsSign = new Uint8Array(coefficientCount);
+      let coefficentsMagnitude;
+
+      if (mb > 14) {
+        coefficentsMagnitude = new Uint32Array(coefficientCount);
+      } else if (mb > 6) {
+        coefficentsMagnitude = new Uint16Array(coefficientCount);
+      } else {
+        coefficentsMagnitude = new Uint8Array(coefficientCount);
+      }
+
+      this.coefficentsMagnitude = coefficentsMagnitude;
+      this.processingFlags = new Uint8Array(coefficientCount);
+      var bitsDecoded = new Uint8Array(coefficientCount);
+
+      if (zeroBitPlanes !== 0) {
+        for (var i = 0; i < coefficientCount; i++) {
+          bitsDecoded[i] = zeroBitPlanes;
+        }
+      }
+
+      this.bitsDecoded = bitsDecoded;
+      this.reset();
+    }
+
+    BitModel.prototype = {
+      setDecoder: function BitModel_setDecoder(decoder) {
+        this.decoder = decoder;
+      },
+      reset: function BitModel_reset() {
+        this.contexts = new Int8Array(19);
+        this.contexts[0] = 4 << 1 | 0;
+        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
+        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
+      },
+      setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
+        var neighborsSignificance = this.neighborsSignificance;
+        var width = this.width,
+            height = this.height;
+        var left = column > 0;
+        var right = column + 1 < width;
+        var i;
+
+        if (row > 0) {
+          i = index - width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (row + 1 < height) {
+          i = index + width;
+
+          if (left) {
+            neighborsSignificance[i - 1] += 0x10;
+          }
+
+          if (right) {
+            neighborsSignificance[i + 1] += 0x10;
+          }
+
+          neighborsSignificance[i] += 0x04;
+        }
+
+        if (left) {
+          neighborsSignificance[index - 1] += 0x01;
+        }
+
+        if (right) {
+          neighborsSignificance[index + 1] += 0x01;
+        }
+
+        neighborsSignificance[index] |= 0x80;
+      },
+      runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var neighborsSignificance = this.neighborsSignificance;
+        var processingFlags = this.processingFlags;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processedInverseMask = ~1;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+
+        for (var i0 = 0; i0 < height; i0 += 4) {
+          for (var j = 0; j < width; j++) {
+            var index = i0 * width + j;
+
+            for (var i1 = 0; i1 < 4; i1++, index += width) {
+              var i = i0 + i1;
+
+              if (i >= height) {
+                break;
+              }
+
+              processingFlags[index] &= processedInverseMask;
+
+              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision) {
+                var sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contribution, sign0, sign1, significance1;
+        var contextLabel, decoded;
+        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
+
+        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
+          sign1 = coefficentsSign[index + 1];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - 1];
+            contribution = 1 - sign1 - sign0;
+          } else {
+            contribution = 1 - sign1 - sign1;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - 1];
+          contribution = 1 - sign0 - sign0;
+        } else {
+          contribution = 0;
+        }
+
+        var horizontalContribution = 3 * contribution;
+        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
+
+        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
+          sign1 = coefficentsSign[index + width];
+
+          if (significance1) {
+            sign0 = coefficentsSign[index - width];
+            contribution = 1 - sign1 - sign0 + horizontalContribution;
+          } else {
+            contribution = 1 - sign1 - sign1 + horizontalContribution;
+          }
+        } else if (significance1) {
+          sign0 = coefficentsSign[index - width];
+          contribution = 1 - sign0 - sign0 + horizontalContribution;
+        } else {
+          contribution = horizontalContribution;
+        }
+
+        if (contribution >= 0) {
+          contextLabel = 9 + contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel);
+        } else {
+          contextLabel = 9 - contribution;
+          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
+        }
+
+        return decoded;
+      },
+      runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var neighborsSignificance = this.neighborsSignificance;
+        var contexts = this.contexts;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var length = width * height;
+        var width4 = width * 4;
+
+        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
+          indexNext = Math.min(length, index0 + width4);
+
+          for (var j = 0; j < width; j++) {
+            for (var index = index0 + j; index < indexNext; index += width) {
+              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = 16;
+
+              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
+                processingFlags[index] ^= firstMagnitudeBitMask;
+                var significance = neighborsSignificance[index] & 127;
+                contextLabel = significance === 0 ? 15 : 14;
+              }
+
+              var bit = decoder.readBit(contexts, contextLabel);
+              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
+              bitsDecoded[index]++;
+              processingFlags[index] |= processedMask;
+            }
+          }
+        }
+      },
+      runCleanupPass: function BitModel_runCleanupPass() {
+        var decoder = this.decoder;
+        var width = this.width,
+            height = this.height;
+        var neighborsSignificance = this.neighborsSignificance;
+        var coefficentsMagnitude = this.coefficentsMagnitude;
+        var coefficentsSign = this.coefficentsSign;
+        var contexts = this.contexts;
+        var labels = this.contextLabelTable;
+        var bitsDecoded = this.bitsDecoded;
+        var processingFlags = this.processingFlags;
+        var processedMask = 1;
+        var firstMagnitudeBitMask = 2;
+        var oneRowDown = width;
+        var twoRowsDown = width * 2;
+        var threeRowsDown = width * 3;
+        var iNext;
+
+        for (var i0 = 0; i0 < height; i0 = iNext) {
+          iNext = Math.min(i0 + 4, height);
+          var indexBase = i0 * width;
+          var checkAllEmpty = i0 + 3 < height;
+
+          for (var j = 0; j < width; j++) {
+            var index0 = indexBase + j;
+            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
+            var i1 = 0,
+                index = index0;
+            var i = i0,
+                sign;
+
+            if (allEmpty) {
+              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
+
+              if (!hasSignificantCoefficent) {
+                bitsDecoded[index0]++;
+                bitsDecoded[index0 + oneRowDown]++;
+                bitsDecoded[index0 + twoRowsDown]++;
+                bitsDecoded[index0 + threeRowsDown]++;
+                continue;
+              }
+
+              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+              if (i1 !== 0) {
+                i = i0 + i1;
+                index += i1 * width;
+              }
+
+              sign = this.decodeSignBit(i, j, index);
+              coefficentsSign[index] = sign;
+              coefficentsMagnitude[index] = 1;
+              this.setNeighborsSignificance(i, j, index);
+              processingFlags[index] |= firstMagnitudeBitMask;
+              index = index0;
+
+              for (var i2 = i0; i2 <= i; i2++, index += width) {
+                bitsDecoded[index]++;
+              }
+
+              i1++;
+            }
+
+            for (i = i0 + i1; i < iNext; i++, index += width) {
+              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
+                continue;
+              }
+
+              var contextLabel = labels[neighborsSignificance[index]];
+              var decision = decoder.readBit(contexts, contextLabel);
+
+              if (decision === 1) {
+                sign = this.decodeSignBit(i, j, index);
+                coefficentsSign[index] = sign;
+                coefficentsMagnitude[index] = 1;
+                this.setNeighborsSignificance(i, j, index);
+                processingFlags[index] |= firstMagnitudeBitMask;
+              }
+
+              bitsDecoded[index]++;
+            }
+          }
+        }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var contexts = this.contexts;
+        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
+
+        if (symbol !== 0xa) {
+          throw new JpxError("Invalid segmentation symbol");
+        }
+      }
+    };
+    return BitModel;
+  }();
+
+  var Transform = function TransformClosure() {
+    function Transform() {}
+
+    Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
+      var ll = subbands[0];
+
+      for (var i = 1, ii = subbands.length; i < ii; i++) {
+        ll = this.iterate(ll, subbands[i], u0, v0);
+      }
+
+      return ll;
+    };
+
+    Transform.prototype.extend = function extend(buffer, offset, size) {
+      var i1 = offset - 1,
+          j1 = offset + 1;
+      var i2 = offset + size - 2,
+          j2 = offset + size;
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1--] = buffer[j1++];
+      buffer[j2++] = buffer[i2--];
+      buffer[i1] = buffer[j1];
+      buffer[j2] = buffer[i2];
+    };
+
+    Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
+      var llWidth = ll.width,
+          llHeight = ll.height,
+          llItems = ll.items;
+      var width = hl_lh_hh.width;
+      var height = hl_lh_hh.height;
+      var items = hl_lh_hh.items;
+      var i, j, k, l, u, v;
+
+      for (k = 0, i = 0; i < llHeight; i++) {
+        l = i * 2 * width;
+
+        for (j = 0; j < llWidth; j++, k++, l += 2) {
+          items[l] = llItems[k];
+        }
+      }
+
+      llItems = ll.items = null;
+      var bufferPadding = 4;
+      var rowBuffer = new Float32Array(width + 2 * bufferPadding);
+
+      if (width === 1) {
+        if ((u0 & 1) !== 0) {
+          for (v = 0, k = 0; v < height; v++, k += width) {
+            items[k] *= 0.5;
+          }
+        }
+      } else {
+        for (v = 0, k = 0; v < height; v++, k += width) {
+          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
+          this.extend(rowBuffer, bufferPadding, width);
+          this.filter(rowBuffer, bufferPadding, width);
+          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
+        }
+      }
+
+      var numBuffers = 16;
+      var colBuffers = [];
+
+      for (i = 0; i < numBuffers; i++) {
+        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
+      }
+
+      var b,
+          currentBuffer = 0;
+      ll = bufferPadding + height;
+
+      if (height === 1) {
+        if ((v0 & 1) !== 0) {
+          for (u = 0; u < width; u++) {
+            items[u] *= 0.5;
+          }
+        }
+      } else {
+        for (u = 0; u < width; u++) {
+          if (currentBuffer === 0) {
+            numBuffers = Math.min(width - u, numBuffers);
+
+            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                colBuffers[b][l] = items[k + b];
+              }
+            }
+
+            currentBuffer = numBuffers;
+          }
+
+          currentBuffer--;
+          var buffer = colBuffers[currentBuffer];
+          this.extend(buffer, bufferPadding, height);
+          this.filter(buffer, bufferPadding, height);
+
+          if (currentBuffer === 0) {
+            k = u - numBuffers + 1;
+
+            for (l = bufferPadding; l < ll; k += width, l++) {
+              for (b = 0; b < numBuffers; b++) {
+                items[k + b] = colBuffers[b][l];
+              }
+            }
+          }
+        }
+      }
+
+      return {
+        width,
+        height,
+        items
+      };
+    };
+
+    return Transform;
+  }();
+
+  var IrreversibleTransform = function IrreversibleTransformClosure() {
+    function IrreversibleTransform() {
+      Transform.call(this);
+    }
+
+    IrreversibleTransform.prototype = Object.create(Transform.prototype);
+
+    IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n, current, next;
+      var alpha = -1.586134342059924;
+      var beta = -0.052980118572961;
+      var gamma = 0.882911075530934;
+      var delta = 0.443506852043971;
+      var K = 1.230174104914001;
+      var K_ = 1 / K;
+      j = offset - 3;
+
+      for (n = len + 4; n--; j += 2) {
+        x[j] *= K_;
+      }
+
+      j = offset - 2;
+      current = delta * x[j - 1];
+
+      for (n = len + 3; n--; j += 2) {
+        next = delta * x[j + 1];
+        x[j] = K * x[j] - current - next;
+
+        if (n--) {
+          j += 2;
+          current = delta * x[j + 1];
+          x[j] = K * x[j] - current - next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset - 1;
+      current = gamma * x[j - 1];
+
+      for (n = len + 2; n--; j += 2) {
+        next = gamma * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = gamma * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      j = offset;
+      current = beta * x[j - 1];
+
+      for (n = len + 1; n--; j += 2) {
+        next = beta * x[j + 1];
+        x[j] -= current + next;
+
+        if (n--) {
+          j += 2;
+          current = beta * x[j + 1];
+          x[j] -= current + next;
+        } else {
+          break;
+        }
+      }
+
+      if (len !== 0) {
+        j = offset + 1;
+        current = alpha * x[j - 1];
+
+        for (n = len; n--; j += 2) {
+          next = alpha * x[j + 1];
+          x[j] -= current + next;
+
+          if (n--) {
+            j += 2;
+            current = alpha * x[j + 1];
+            x[j] -= current + next;
+          } else {
+            break;
+          }
+        }
+      }
+    };
+
+    return IrreversibleTransform;
+  }();
+
+  var ReversibleTransform = function ReversibleTransformClosure() {
+    function ReversibleTransform() {
+      Transform.call(this);
+    }
+
+    ReversibleTransform.prototype = Object.create(Transform.prototype);
+
+    ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
+      var len = length >> 1;
+      offset = offset | 0;
+      var j, n;
+
+      for (j = offset, n = len + 1; n--; j += 2) {
+        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
+      }
+
+      for (j = offset + 1, n = len; n--; j += 2) {
+        x[j] += x[j - 1] + x[j + 1] >> 1;
+      }
+    };
+
+    return ReversibleTransform;
+  }();
+
+  return JpxImage;
+}();
+
+exports.JpxImage = JpxImage;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/jpx_stream.js b/node_modules/pdfjs-dist/lib/core/jpx_stream.js
new file mode 100644
index 00000000..8710758a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/jpx_stream.js
@@ -0,0 +1,102 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.JpxStream = void 0;
+
+var _stream = require("./stream.js");
+
+var _jpx = require("./jpx.js");
+
+var _util = require("../shared/util.js");
+
+const JpxStream = function JpxStreamClosure() {
+  function JpxStream(stream, maybeLength, dict, params) {
+    this.stream = stream;
+    this.maybeLength = maybeLength;
+    this.dict = dict;
+    this.params = params;
+
+    _stream.DecodeStream.call(this, maybeLength);
+  }
+
+  JpxStream.prototype = Object.create(_stream.DecodeStream.prototype);
+  Object.defineProperty(JpxStream.prototype, "bytes", {
+    get: function JpxStream_bytes() {
+      return (0, _util.shadow)(this, "bytes", this.stream.getBytes(this.maybeLength));
+    },
+    configurable: true
+  });
+
+  JpxStream.prototype.ensureBuffer = function (requested) {};
+
+  JpxStream.prototype.readBlock = function () {
+    if (this.eof) {
+      return;
+    }
+
+    const jpxImage = new _jpx.JpxImage();
+    jpxImage.parse(this.bytes);
+    const width = jpxImage.width;
+    const height = jpxImage.height;
+    const componentsCount = jpxImage.componentsCount;
+    const tileCount = jpxImage.tiles.length;
+
+    if (tileCount === 1) {
+      this.buffer = jpxImage.tiles[0].items;
+    } else {
+      const data = new Uint8ClampedArray(width * height * componentsCount);
+
+      for (let k = 0; k < tileCount; k++) {
+        const tileComponents = jpxImage.tiles[k];
+        const tileWidth = tileComponents.width;
+        const tileHeight = tileComponents.height;
+        const tileLeft = tileComponents.left;
+        const tileTop = tileComponents.top;
+        const src = tileComponents.items;
+        let srcPosition = 0;
+        let dataPosition = (width * tileTop + tileLeft) * componentsCount;
+        const imgRowSize = width * componentsCount;
+        const tileRowSize = tileWidth * componentsCount;
+
+        for (let j = 0; j < tileHeight; j++) {
+          const rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);
+          data.set(rowBytes, dataPosition);
+          srcPosition += tileRowSize;
+          dataPosition += imgRowSize;
+        }
+      }
+
+      this.buffer = data;
+    }
+
+    this.bufferLength = this.buffer.length;
+    this.eof = true;
+  };
+
+  return JpxStream;
+}();
+
+exports.JpxStream = JpxStream;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/metrics.js b/node_modules/pdfjs-dist/lib/core/metrics.js
new file mode 100644
index 00000000..c3b68a5f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/metrics.js
@@ -0,0 +1,2969 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getMetrics = void 0;
+
+var _core_utils = require("./core_utils.js");
+
+var getMetrics = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Courier = 600;
+  t["Courier-Bold"] = 600;
+  t["Courier-BoldOblique"] = 600;
+  t["Courier-Oblique"] = 600;
+  t.Helvetica = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-BoldOblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 333;
+    t.quotedbl = 474;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 722;
+    t.quoteright = 278;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 611;
+    t.at = 975;
+    t.A = 722;
+    t.B = 722;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 556;
+    t.K = 722;
+    t.L = 611;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 584;
+    t.underscore = 556;
+    t.quoteleft = 278;
+    t.a = 556;
+    t.b = 611;
+    t.c = 556;
+    t.d = 611;
+    t.e = 556;
+    t.f = 333;
+    t.g = 611;
+    t.h = 611;
+    t.i = 278;
+    t.j = 278;
+    t.k = 556;
+    t.l = 278;
+    t.m = 889;
+    t.n = 611;
+    t.o = 611;
+    t.p = 611;
+    t.q = 611;
+    t.r = 389;
+    t.s = 556;
+    t.t = 333;
+    t.u = 611;
+    t.v = 556;
+    t.w = 778;
+    t.x = 556;
+    t.y = 556;
+    t.z = 500;
+    t.braceleft = 389;
+    t.bar = 280;
+    t.braceright = 389;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 238;
+    t.quotedblleft = 500;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 611;
+    t.fl = 611;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 556;
+    t.bullet = 350;
+    t.quotesinglbase = 278;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 611;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 611;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 722;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 556;
+    t.scommaaccent = 556;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 611;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 556;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 556;
+    t.scedilla = 556;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 611;
+    t.acircumflex = 556;
+    t.Amacron = 722;
+    t.rcaron = 389;
+    t.ccedilla = 556;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 743;
+    t.Umacron = 722;
+    t.uring = 611;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 584;
+    t.uacute = 611;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 556;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 556;
+    t.nacute = 611;
+    t.umacron = 611;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 280;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 611;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 389;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 611;
+    t.amacron = 556;
+    t.sacute = 556;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 611;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 611;
+    t.igrave = 278;
+    t.ohungarumlaut = 611;
+    t.Eogonek = 667;
+    t.dcroat = 611;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 400;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 611;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 611;
+    t.ntilde = 611;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 611;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 611;
+    t.Ccaron = 722;
+    t.ugrave = 611;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 611;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 556;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 611;
+    t.tcommaaccent = 333;
+    t.logicalnot = 584;
+    t.odieresis = 611;
+    t.udieresis = 611;
+    t.notequal = 549;
+    t.gcommaaccent = 611;
+    t.eth = 611;
+    t.zcaron = 500;
+    t.ncommaaccent = 611;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t["Helvetica-Oblique"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.exclam = 278;
+    t.quotedbl = 355;
+    t.numbersign = 556;
+    t.dollar = 556;
+    t.percent = 889;
+    t.ampersand = 667;
+    t.quoteright = 222;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 389;
+    t.plus = 584;
+    t.comma = 278;
+    t.hyphen = 333;
+    t.period = 278;
+    t.slash = 278;
+    t.zero = 556;
+    t.one = 556;
+    t.two = 556;
+    t.three = 556;
+    t.four = 556;
+    t.five = 556;
+    t.six = 556;
+    t.seven = 556;
+    t.eight = 556;
+    t.nine = 556;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 584;
+    t.equal = 584;
+    t.greater = 584;
+    t.question = 556;
+    t.at = 1015;
+    t.A = 667;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 722;
+    t.I = 278;
+    t.J = 500;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 722;
+    t.O = 778;
+    t.P = 667;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 667;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 944;
+    t.X = 667;
+    t.Y = 667;
+    t.Z = 611;
+    t.bracketleft = 278;
+    t.backslash = 278;
+    t.bracketright = 278;
+    t.asciicircum = 469;
+    t.underscore = 556;
+    t.quoteleft = 222;
+    t.a = 556;
+    t.b = 556;
+    t.c = 500;
+    t.d = 556;
+    t.e = 556;
+    t.f = 278;
+    t.g = 556;
+    t.h = 556;
+    t.i = 222;
+    t.j = 222;
+    t.k = 500;
+    t.l = 222;
+    t.m = 833;
+    t.n = 556;
+    t.o = 556;
+    t.p = 556;
+    t.q = 556;
+    t.r = 333;
+    t.s = 500;
+    t.t = 278;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 500;
+    t.braceleft = 334;
+    t.bar = 260;
+    t.braceright = 334;
+    t.asciitilde = 584;
+    t.exclamdown = 333;
+    t.cent = 556;
+    t.sterling = 556;
+    t.fraction = 167;
+    t.yen = 556;
+    t.florin = 556;
+    t.section = 556;
+    t.currency = 556;
+    t.quotesingle = 191;
+    t.quotedblleft = 333;
+    t.guillemotleft = 556;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 556;
+    t.dagger = 556;
+    t.daggerdbl = 556;
+    t.periodcentered = 278;
+    t.paragraph = 537;
+    t.bullet = 350;
+    t.quotesinglbase = 222;
+    t.quotedblbase = 333;
+    t.quotedblright = 333;
+    t.guillemotright = 556;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 611;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 370;
+    t.Lslash = 556;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 365;
+    t.ae = 889;
+    t.dotlessi = 278;
+    t.lslash = 222;
+    t.oslash = 611;
+    t.oe = 944;
+    t.germandbls = 611;
+    t.Idieresis = 278;
+    t.eacute = 556;
+    t.abreve = 556;
+    t.uhungarumlaut = 556;
+    t.ecaron = 556;
+    t.Ydieresis = 667;
+    t.divide = 584;
+    t.Yacute = 667;
+    t.Acircumflex = 667;
+    t.aacute = 556;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 500;
+    t.ecircumflex = 556;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 556;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 737;
+    t.Emacron = 667;
+    t.ccaron = 500;
+    t.aring = 556;
+    t.Ncommaaccent = 722;
+    t.lacute = 222;
+    t.agrave = 556;
+    t.Tcommaaccent = 611;
+    t.Cacute = 722;
+    t.atilde = 556;
+    t.Edotaccent = 667;
+    t.scaron = 500;
+    t.scedilla = 500;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 556;
+    t.Amacron = 667;
+    t.rcaron = 333;
+    t.ccedilla = 500;
+    t.Zdotaccent = 611;
+    t.Thorn = 667;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 667;
+    t.dcaron = 643;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 333;
+    t.Ograve = 778;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 584;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 556;
+    t.edieresis = 556;
+    t.cacute = 500;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 278;
+    t.plusminus = 584;
+    t.brokenbar = 260;
+    t.registered = 737;
+    t.Gbreve = 778;
+    t.Idotaccent = 278;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 333;
+    t.omacron = 556;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 222;
+    t.tcaron = 317;
+    t.eogonek = 556;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 556;
+    t.zacute = 500;
+    t.iogonek = 222;
+    t.Oacute = 778;
+    t.oacute = 556;
+    t.amacron = 556;
+    t.sacute = 500;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 333;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 556;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 834;
+    t.Scedilla = 667;
+    t.lcaron = 299;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 1000;
+    t.edotaccent = 556;
+    t.Igrave = 278;
+    t.Imacron = 278;
+    t.Lcaron = 556;
+    t.onehalf = 834;
+    t.lessequal = 549;
+    t.ocircumflex = 556;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 556;
+    t.gbreve = 556;
+    t.onequarter = 834;
+    t.Scaron = 667;
+    t.Scommaaccent = 667;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 556;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 556;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 556;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 778;
+    t.zdotaccent = 500;
+    t.Ecaron = 667;
+    t.Iogonek = 278;
+    t.kcommaaccent = 500;
+    t.minus = 584;
+    t.Icircumflex = 278;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 584;
+    t.odieresis = 556;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 556;
+    t.eth = 556;
+    t.zcaron = 500;
+    t.ncommaaccent = 556;
+    t.onesuperior = 333;
+    t.imacron = 278;
+    t.Euro = 556;
+  });
+  t.Symbol = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.universal = 713;
+    t.numbersign = 500;
+    t.existential = 549;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.suchthat = 439;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asteriskmath = 500;
+    t.plus = 549;
+    t.comma = 250;
+    t.minus = 549;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 549;
+    t.equal = 549;
+    t.greater = 549;
+    t.question = 444;
+    t.congruent = 549;
+    t.Alpha = 722;
+    t.Beta = 667;
+    t.Chi = 722;
+    t.Delta = 612;
+    t.Epsilon = 611;
+    t.Phi = 763;
+    t.Gamma = 603;
+    t.Eta = 722;
+    t.Iota = 333;
+    t.theta1 = 631;
+    t.Kappa = 722;
+    t.Lambda = 686;
+    t.Mu = 889;
+    t.Nu = 722;
+    t.Omicron = 722;
+    t.Pi = 768;
+    t.Theta = 741;
+    t.Rho = 556;
+    t.Sigma = 592;
+    t.Tau = 611;
+    t.Upsilon = 690;
+    t.sigma1 = 439;
+    t.Omega = 768;
+    t.Xi = 645;
+    t.Psi = 795;
+    t.Zeta = 611;
+    t.bracketleft = 333;
+    t.therefore = 863;
+    t.bracketright = 333;
+    t.perpendicular = 658;
+    t.underscore = 500;
+    t.radicalex = 500;
+    t.alpha = 631;
+    t.beta = 549;
+    t.chi = 549;
+    t.delta = 494;
+    t.epsilon = 439;
+    t.phi = 521;
+    t.gamma = 411;
+    t.eta = 603;
+    t.iota = 329;
+    t.phi1 = 603;
+    t.kappa = 549;
+    t.lambda = 549;
+    t.mu = 576;
+    t.nu = 521;
+    t.omicron = 549;
+    t.pi = 549;
+    t.theta = 521;
+    t.rho = 549;
+    t.sigma = 603;
+    t.tau = 439;
+    t.upsilon = 576;
+    t.omega1 = 713;
+    t.omega = 686;
+    t.xi = 493;
+    t.psi = 686;
+    t.zeta = 494;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.similar = 549;
+    t.Euro = 750;
+    t.Upsilon1 = 620;
+    t.minute = 247;
+    t.lessequal = 549;
+    t.fraction = 167;
+    t.infinity = 713;
+    t.florin = 500;
+    t.club = 753;
+    t.diamond = 753;
+    t.heart = 753;
+    t.spade = 753;
+    t.arrowboth = 1042;
+    t.arrowleft = 987;
+    t.arrowup = 603;
+    t.arrowright = 987;
+    t.arrowdown = 603;
+    t.degree = 400;
+    t.plusminus = 549;
+    t.second = 411;
+    t.greaterequal = 549;
+    t.multiply = 549;
+    t.proportional = 713;
+    t.partialdiff = 494;
+    t.bullet = 460;
+    t.divide = 549;
+    t.notequal = 549;
+    t.equivalence = 549;
+    t.approxequal = 549;
+    t.ellipsis = 1000;
+    t.arrowvertex = 603;
+    t.arrowhorizex = 1000;
+    t.carriagereturn = 658;
+    t.aleph = 823;
+    t.Ifraktur = 686;
+    t.Rfraktur = 795;
+    t.weierstrass = 987;
+    t.circlemultiply = 768;
+    t.circleplus = 768;
+    t.emptyset = 823;
+    t.intersection = 768;
+    t.union = 768;
+    t.propersuperset = 713;
+    t.reflexsuperset = 713;
+    t.notsubset = 713;
+    t.propersubset = 713;
+    t.reflexsubset = 713;
+    t.element = 713;
+    t.notelement = 713;
+    t.angle = 768;
+    t.gradient = 713;
+    t.registerserif = 790;
+    t.copyrightserif = 790;
+    t.trademarkserif = 890;
+    t.product = 823;
+    t.radical = 549;
+    t.dotmath = 250;
+    t.logicalnot = 713;
+    t.logicaland = 603;
+    t.logicalor = 603;
+    t.arrowdblboth = 1042;
+    t.arrowdblleft = 987;
+    t.arrowdblup = 603;
+    t.arrowdblright = 987;
+    t.arrowdbldown = 603;
+    t.lozenge = 494;
+    t.angleleft = 329;
+    t.registersans = 790;
+    t.copyrightsans = 790;
+    t.trademarksans = 786;
+    t.summation = 713;
+    t.parenlefttp = 384;
+    t.parenleftex = 384;
+    t.parenleftbt = 384;
+    t.bracketlefttp = 384;
+    t.bracketleftex = 384;
+    t.bracketleftbt = 384;
+    t.bracelefttp = 494;
+    t.braceleftmid = 494;
+    t.braceleftbt = 494;
+    t.braceex = 494;
+    t.angleright = 329;
+    t.integral = 274;
+    t.integraltp = 686;
+    t.integralex = 686;
+    t.integralbt = 686;
+    t.parenrighttp = 384;
+    t.parenrightex = 384;
+    t.parenrightbt = 384;
+    t.bracketrighttp = 384;
+    t.bracketrightex = 384;
+    t.bracketrightbt = 384;
+    t.bracerighttp = 494;
+    t.bracerightmid = 494;
+    t.bracerightbt = 494;
+    t.apple = 790;
+  });
+  t["Times-Roman"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 408;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 564;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 278;
+    t.semicolon = 278;
+    t.less = 564;
+    t.equal = 564;
+    t.greater = 564;
+    t.question = 444;
+    t.at = 921;
+    t.A = 722;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 556;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 389;
+    t.K = 722;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 556;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 722;
+    t.W = 944;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 469;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 444;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 333;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 480;
+    t.bar = 200;
+    t.braceright = 480;
+    t.asciitilde = 541;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 180;
+    t.quotedblleft = 444;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 453;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 444;
+    t.quotedblright = 444;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 444;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 889;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 444;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 564;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 444;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 444;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 444;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 444;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 444;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 444;
+    t.Amacron = 722;
+    t.rcaron = 333;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 556;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 588;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 564;
+    t.uacute = 500;
+    t.Tcaron = 611;
+    t.partialdiff = 476;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 444;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 722;
+    t.Iacute = 333;
+    t.plusminus = 564;
+    t.brokenbar = 200;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 333;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 326;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 444;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 344;
+    t.Kcommaaccent = 722;
+    t.Lacute = 611;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 333;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 722;
+    t.zdotaccent = 444;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 500;
+    t.minus = 564;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 564;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Bold"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 1000;
+    t.ampersand = 833;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 930;
+    t.A = 722;
+    t.B = 667;
+    t.C = 722;
+    t.D = 722;
+    t.E = 667;
+    t.F = 611;
+    t.G = 778;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 778;
+    t.L = 667;
+    t.M = 944;
+    t.N = 722;
+    t.O = 778;
+    t.P = 611;
+    t.Q = 778;
+    t.R = 722;
+    t.S = 556;
+    t.T = 667;
+    t.U = 722;
+    t.V = 722;
+    t.W = 1000;
+    t.X = 722;
+    t.Y = 722;
+    t.Z = 667;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 581;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 556;
+    t.c = 444;
+    t.d = 556;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 333;
+    t.k = 556;
+    t.l = 278;
+    t.m = 833;
+    t.n = 556;
+    t.o = 500;
+    t.p = 556;
+    t.q = 556;
+    t.r = 444;
+    t.s = 389;
+    t.t = 333;
+    t.u = 556;
+    t.v = 500;
+    t.w = 722;
+    t.x = 500;
+    t.y = 500;
+    t.z = 444;
+    t.braceleft = 394;
+    t.bar = 220;
+    t.braceright = 394;
+    t.asciitilde = 520;
+    t.exclamdown = 333;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 540;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 1000;
+    t.ordfeminine = 300;
+    t.Lslash = 667;
+    t.Oslash = 778;
+    t.OE = 1000;
+    t.ordmasculine = 330;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 556;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 722;
+    t.divide = 570;
+    t.Yacute = 722;
+    t.Acircumflex = 722;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 500;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 667;
+    t.Cacute = 722;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 722;
+    t.Gcommaaccent = 778;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 722;
+    t.rcaron = 444;
+    t.ccedilla = 444;
+    t.Zdotaccent = 667;
+    t.Thorn = 611;
+    t.Omacron = 778;
+    t.Racute = 722;
+    t.Sacute = 556;
+    t.dcaron = 672;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 778;
+    t.Agrave = 722;
+    t.Abreve = 722;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 667;
+    t.partialdiff = 494;
+    t.ydieresis = 500;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 778;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 444;
+    t.omacron = 500;
+    t.Zacute = 667;
+    t.Zcaron = 667;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 722;
+    t.lcommaaccent = 278;
+    t.tcaron = 416;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 722;
+    t.Adieresis = 722;
+    t.egrave = 444;
+    t.zacute = 444;
+    t.iogonek = 278;
+    t.Oacute = 778;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 778;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 556;
+    t.twosuperior = 300;
+    t.Odieresis = 778;
+    t.mu = 556;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 556;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 394;
+    t.Kcommaaccent = 778;
+    t.Lacute = 667;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 667;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 778;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 722;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 444;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 722;
+    t.Lcommaaccent = 667;
+    t.Atilde = 722;
+    t.Aogonek = 722;
+    t.Aring = 722;
+    t.Otilde = 778;
+    t.zdotaccent = 444;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 556;
+    t.minus = 570;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 333;
+    t.logicalnot = 570;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 444;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-BoldItalic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 389;
+    t.quotedbl = 555;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 570;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 570;
+    t.equal = 570;
+    t.greater = 570;
+    t.question = 500;
+    t.at = 832;
+    t.A = 667;
+    t.B = 667;
+    t.C = 667;
+    t.D = 722;
+    t.E = 667;
+    t.F = 667;
+    t.G = 722;
+    t.H = 778;
+    t.I = 389;
+    t.J = 500;
+    t.K = 667;
+    t.L = 611;
+    t.M = 889;
+    t.N = 722;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 667;
+    t.S = 556;
+    t.T = 611;
+    t.U = 722;
+    t.V = 667;
+    t.W = 889;
+    t.X = 667;
+    t.Y = 611;
+    t.Z = 611;
+    t.bracketleft = 333;
+    t.backslash = 278;
+    t.bracketright = 333;
+    t.asciicircum = 570;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 333;
+    t.g = 500;
+    t.h = 556;
+    t.i = 278;
+    t.j = 278;
+    t.k = 500;
+    t.l = 278;
+    t.m = 778;
+    t.n = 556;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 556;
+    t.v = 444;
+    t.w = 667;
+    t.x = 500;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 348;
+    t.bar = 220;
+    t.braceright = 348;
+    t.asciitilde = 570;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 278;
+    t.quotedblleft = 500;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 556;
+    t.fl = 556;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 500;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 500;
+    t.quotedblright = 500;
+    t.guillemotright = 500;
+    t.ellipsis = 1000;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 1000;
+    t.AE = 944;
+    t.ordfeminine = 266;
+    t.Lslash = 611;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 300;
+    t.ae = 722;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 722;
+    t.germandbls = 500;
+    t.Idieresis = 389;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 556;
+    t.ecaron = 444;
+    t.Ydieresis = 611;
+    t.divide = 570;
+    t.Yacute = 611;
+    t.Acircumflex = 667;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 556;
+    t.Edieresis = 667;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 747;
+    t.Emacron = 667;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 722;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 611;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 667;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 494;
+    t.Rcaron = 667;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 556;
+    t.acircumflex = 500;
+    t.Amacron = 667;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 611;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 667;
+    t.Sacute = 556;
+    t.dcaron = 608;
+    t.Umacron = 722;
+    t.uring = 556;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 667;
+    t.Abreve = 667;
+    t.multiply = 570;
+    t.uacute = 556;
+    t.Tcaron = 611;
+    t.partialdiff = 494;
+    t.ydieresis = 444;
+    t.Nacute = 722;
+    t.icircumflex = 278;
+    t.Ecircumflex = 667;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 556;
+    t.umacron = 556;
+    t.Ncaron = 722;
+    t.Iacute = 389;
+    t.plusminus = 570;
+    t.brokenbar = 220;
+    t.registered = 747;
+    t.Gbreve = 722;
+    t.Idotaccent = 389;
+    t.summation = 600;
+    t.Egrave = 667;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 611;
+    t.Zcaron = 611;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 366;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 667;
+    t.Adieresis = 667;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 576;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 667;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 556;
+    t.lcaron = 382;
+    t.Kcommaaccent = 667;
+    t.Lacute = 611;
+    t.trademark = 1000;
+    t.edotaccent = 444;
+    t.Igrave = 389;
+    t.Imacron = 389;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 556;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 667;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 556;
+    t.Scommaaccent = 556;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 556;
+    t.radical = 549;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 722;
+    t.otilde = 500;
+    t.Rcommaaccent = 667;
+    t.Lcommaaccent = 611;
+    t.Atilde = 667;
+    t.Aogonek = 667;
+    t.Aring = 667;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 667;
+    t.Iogonek = 389;
+    t.kcommaaccent = 500;
+    t.minus = 606;
+    t.Icircumflex = 389;
+    t.ncaron = 556;
+    t.tcommaaccent = 278;
+    t.logicalnot = 606;
+    t.odieresis = 500;
+    t.udieresis = 556;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 556;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t["Times-Italic"] = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 250;
+    t.exclam = 333;
+    t.quotedbl = 420;
+    t.numbersign = 500;
+    t.dollar = 500;
+    t.percent = 833;
+    t.ampersand = 778;
+    t.quoteright = 333;
+    t.parenleft = 333;
+    t.parenright = 333;
+    t.asterisk = 500;
+    t.plus = 675;
+    t.comma = 250;
+    t.hyphen = 333;
+    t.period = 250;
+    t.slash = 278;
+    t.zero = 500;
+    t.one = 500;
+    t.two = 500;
+    t.three = 500;
+    t.four = 500;
+    t.five = 500;
+    t.six = 500;
+    t.seven = 500;
+    t.eight = 500;
+    t.nine = 500;
+    t.colon = 333;
+    t.semicolon = 333;
+    t.less = 675;
+    t.equal = 675;
+    t.greater = 675;
+    t.question = 500;
+    t.at = 920;
+    t.A = 611;
+    t.B = 611;
+    t.C = 667;
+    t.D = 722;
+    t.E = 611;
+    t.F = 611;
+    t.G = 722;
+    t.H = 722;
+    t.I = 333;
+    t.J = 444;
+    t.K = 667;
+    t.L = 556;
+    t.M = 833;
+    t.N = 667;
+    t.O = 722;
+    t.P = 611;
+    t.Q = 722;
+    t.R = 611;
+    t.S = 500;
+    t.T = 556;
+    t.U = 722;
+    t.V = 611;
+    t.W = 833;
+    t.X = 611;
+    t.Y = 556;
+    t.Z = 556;
+    t.bracketleft = 389;
+    t.backslash = 278;
+    t.bracketright = 389;
+    t.asciicircum = 422;
+    t.underscore = 500;
+    t.quoteleft = 333;
+    t.a = 500;
+    t.b = 500;
+    t.c = 444;
+    t.d = 500;
+    t.e = 444;
+    t.f = 278;
+    t.g = 500;
+    t.h = 500;
+    t.i = 278;
+    t.j = 278;
+    t.k = 444;
+    t.l = 278;
+    t.m = 722;
+    t.n = 500;
+    t.o = 500;
+    t.p = 500;
+    t.q = 500;
+    t.r = 389;
+    t.s = 389;
+    t.t = 278;
+    t.u = 500;
+    t.v = 444;
+    t.w = 667;
+    t.x = 444;
+    t.y = 444;
+    t.z = 389;
+    t.braceleft = 400;
+    t.bar = 275;
+    t.braceright = 400;
+    t.asciitilde = 541;
+    t.exclamdown = 389;
+    t.cent = 500;
+    t.sterling = 500;
+    t.fraction = 167;
+    t.yen = 500;
+    t.florin = 500;
+    t.section = 500;
+    t.currency = 500;
+    t.quotesingle = 214;
+    t.quotedblleft = 556;
+    t.guillemotleft = 500;
+    t.guilsinglleft = 333;
+    t.guilsinglright = 333;
+    t.fi = 500;
+    t.fl = 500;
+    t.endash = 500;
+    t.dagger = 500;
+    t.daggerdbl = 500;
+    t.periodcentered = 250;
+    t.paragraph = 523;
+    t.bullet = 350;
+    t.quotesinglbase = 333;
+    t.quotedblbase = 556;
+    t.quotedblright = 556;
+    t.guillemotright = 500;
+    t.ellipsis = 889;
+    t.perthousand = 1000;
+    t.questiondown = 500;
+    t.grave = 333;
+    t.acute = 333;
+    t.circumflex = 333;
+    t.tilde = 333;
+    t.macron = 333;
+    t.breve = 333;
+    t.dotaccent = 333;
+    t.dieresis = 333;
+    t.ring = 333;
+    t.cedilla = 333;
+    t.hungarumlaut = 333;
+    t.ogonek = 333;
+    t.caron = 333;
+    t.emdash = 889;
+    t.AE = 889;
+    t.ordfeminine = 276;
+    t.Lslash = 556;
+    t.Oslash = 722;
+    t.OE = 944;
+    t.ordmasculine = 310;
+    t.ae = 667;
+    t.dotlessi = 278;
+    t.lslash = 278;
+    t.oslash = 500;
+    t.oe = 667;
+    t.germandbls = 500;
+    t.Idieresis = 333;
+    t.eacute = 444;
+    t.abreve = 500;
+    t.uhungarumlaut = 500;
+    t.ecaron = 444;
+    t.Ydieresis = 556;
+    t.divide = 675;
+    t.Yacute = 556;
+    t.Acircumflex = 611;
+    t.aacute = 500;
+    t.Ucircumflex = 722;
+    t.yacute = 444;
+    t.scommaaccent = 389;
+    t.ecircumflex = 444;
+    t.Uring = 722;
+    t.Udieresis = 722;
+    t.aogonek = 500;
+    t.Uacute = 722;
+    t.uogonek = 500;
+    t.Edieresis = 611;
+    t.Dcroat = 722;
+    t.commaaccent = 250;
+    t.copyright = 760;
+    t.Emacron = 611;
+    t.ccaron = 444;
+    t.aring = 500;
+    t.Ncommaaccent = 667;
+    t.lacute = 278;
+    t.agrave = 500;
+    t.Tcommaaccent = 556;
+    t.Cacute = 667;
+    t.atilde = 500;
+    t.Edotaccent = 611;
+    t.scaron = 389;
+    t.scedilla = 389;
+    t.iacute = 278;
+    t.lozenge = 471;
+    t.Rcaron = 611;
+    t.Gcommaaccent = 722;
+    t.ucircumflex = 500;
+    t.acircumflex = 500;
+    t.Amacron = 611;
+    t.rcaron = 389;
+    t.ccedilla = 444;
+    t.Zdotaccent = 556;
+    t.Thorn = 611;
+    t.Omacron = 722;
+    t.Racute = 611;
+    t.Sacute = 500;
+    t.dcaron = 544;
+    t.Umacron = 722;
+    t.uring = 500;
+    t.threesuperior = 300;
+    t.Ograve = 722;
+    t.Agrave = 611;
+    t.Abreve = 611;
+    t.multiply = 675;
+    t.uacute = 500;
+    t.Tcaron = 556;
+    t.partialdiff = 476;
+    t.ydieresis = 444;
+    t.Nacute = 667;
+    t.icircumflex = 278;
+    t.Ecircumflex = 611;
+    t.adieresis = 500;
+    t.edieresis = 444;
+    t.cacute = 444;
+    t.nacute = 500;
+    t.umacron = 500;
+    t.Ncaron = 667;
+    t.Iacute = 333;
+    t.plusminus = 675;
+    t.brokenbar = 275;
+    t.registered = 760;
+    t.Gbreve = 722;
+    t.Idotaccent = 333;
+    t.summation = 600;
+    t.Egrave = 611;
+    t.racute = 389;
+    t.omacron = 500;
+    t.Zacute = 556;
+    t.Zcaron = 556;
+    t.greaterequal = 549;
+    t.Eth = 722;
+    t.Ccedilla = 667;
+    t.lcommaaccent = 278;
+    t.tcaron = 300;
+    t.eogonek = 444;
+    t.Uogonek = 722;
+    t.Aacute = 611;
+    t.Adieresis = 611;
+    t.egrave = 444;
+    t.zacute = 389;
+    t.iogonek = 278;
+    t.Oacute = 722;
+    t.oacute = 500;
+    t.amacron = 500;
+    t.sacute = 389;
+    t.idieresis = 278;
+    t.Ocircumflex = 722;
+    t.Ugrave = 722;
+    t.Delta = 612;
+    t.thorn = 500;
+    t.twosuperior = 300;
+    t.Odieresis = 722;
+    t.mu = 500;
+    t.igrave = 278;
+    t.ohungarumlaut = 500;
+    t.Eogonek = 611;
+    t.dcroat = 500;
+    t.threequarters = 750;
+    t.Scedilla = 500;
+    t.lcaron = 300;
+    t.Kcommaaccent = 667;
+    t.Lacute = 556;
+    t.trademark = 980;
+    t.edotaccent = 444;
+    t.Igrave = 333;
+    t.Imacron = 333;
+    t.Lcaron = 611;
+    t.onehalf = 750;
+    t.lessequal = 549;
+    t.ocircumflex = 500;
+    t.ntilde = 500;
+    t.Uhungarumlaut = 722;
+    t.Eacute = 611;
+    t.emacron = 444;
+    t.gbreve = 500;
+    t.onequarter = 750;
+    t.Scaron = 500;
+    t.Scommaaccent = 500;
+    t.Ohungarumlaut = 722;
+    t.degree = 400;
+    t.ograve = 500;
+    t.Ccaron = 667;
+    t.ugrave = 500;
+    t.radical = 453;
+    t.Dcaron = 722;
+    t.rcommaaccent = 389;
+    t.Ntilde = 667;
+    t.otilde = 500;
+    t.Rcommaaccent = 611;
+    t.Lcommaaccent = 556;
+    t.Atilde = 611;
+    t.Aogonek = 611;
+    t.Aring = 611;
+    t.Otilde = 722;
+    t.zdotaccent = 389;
+    t.Ecaron = 611;
+    t.Iogonek = 333;
+    t.kcommaaccent = 444;
+    t.minus = 675;
+    t.Icircumflex = 333;
+    t.ncaron = 500;
+    t.tcommaaccent = 278;
+    t.logicalnot = 675;
+    t.odieresis = 500;
+    t.udieresis = 500;
+    t.notequal = 549;
+    t.gcommaaccent = 500;
+    t.eth = 500;
+    t.zcaron = 389;
+    t.ncommaaccent = 500;
+    t.onesuperior = 300;
+    t.imacron = 278;
+    t.Euro = 500;
+  });
+  t.ZapfDingbats = (0, _core_utils.getLookupTableFactory)(function (t) {
+    t.space = 278;
+    t.a1 = 974;
+    t.a2 = 961;
+    t.a202 = 974;
+    t.a3 = 980;
+    t.a4 = 719;
+    t.a5 = 789;
+    t.a119 = 790;
+    t.a118 = 791;
+    t.a117 = 690;
+    t.a11 = 960;
+    t.a12 = 939;
+    t.a13 = 549;
+    t.a14 = 855;
+    t.a15 = 911;
+    t.a16 = 933;
+    t.a105 = 911;
+    t.a17 = 945;
+    t.a18 = 974;
+    t.a19 = 755;
+    t.a20 = 846;
+    t.a21 = 762;
+    t.a22 = 761;
+    t.a23 = 571;
+    t.a24 = 677;
+    t.a25 = 763;
+    t.a26 = 760;
+    t.a27 = 759;
+    t.a28 = 754;
+    t.a6 = 494;
+    t.a7 = 552;
+    t.a8 = 537;
+    t.a9 = 577;
+    t.a10 = 692;
+    t.a29 = 786;
+    t.a30 = 788;
+    t.a31 = 788;
+    t.a32 = 790;
+    t.a33 = 793;
+    t.a34 = 794;
+    t.a35 = 816;
+    t.a36 = 823;
+    t.a37 = 789;
+    t.a38 = 841;
+    t.a39 = 823;
+    t.a40 = 833;
+    t.a41 = 816;
+    t.a42 = 831;
+    t.a43 = 923;
+    t.a44 = 744;
+    t.a45 = 723;
+    t.a46 = 749;
+    t.a47 = 790;
+    t.a48 = 792;
+    t.a49 = 695;
+    t.a50 = 776;
+    t.a51 = 768;
+    t.a52 = 792;
+    t.a53 = 759;
+    t.a54 = 707;
+    t.a55 = 708;
+    t.a56 = 682;
+    t.a57 = 701;
+    t.a58 = 826;
+    t.a59 = 815;
+    t.a60 = 789;
+    t.a61 = 789;
+    t.a62 = 707;
+    t.a63 = 687;
+    t.a64 = 696;
+    t.a65 = 689;
+    t.a66 = 786;
+    t.a67 = 787;
+    t.a68 = 713;
+    t.a69 = 791;
+    t.a70 = 785;
+    t.a71 = 791;
+    t.a72 = 873;
+    t.a73 = 761;
+    t.a74 = 762;
+    t.a203 = 762;
+    t.a75 = 759;
+    t.a204 = 759;
+    t.a76 = 892;
+    t.a77 = 892;
+    t.a78 = 788;
+    t.a79 = 784;
+    t.a81 = 438;
+    t.a82 = 138;
+    t.a83 = 277;
+    t.a84 = 415;
+    t.a97 = 392;
+    t.a98 = 392;
+    t.a99 = 668;
+    t.a100 = 668;
+    t.a89 = 390;
+    t.a90 = 390;
+    t.a93 = 317;
+    t.a94 = 317;
+    t.a91 = 276;
+    t.a92 = 276;
+    t.a205 = 509;
+    t.a85 = 509;
+    t.a206 = 410;
+    t.a86 = 410;
+    t.a87 = 234;
+    t.a88 = 234;
+    t.a95 = 334;
+    t.a96 = 334;
+    t.a101 = 732;
+    t.a102 = 544;
+    t.a103 = 544;
+    t.a104 = 910;
+    t.a106 = 667;
+    t.a107 = 760;
+    t.a108 = 760;
+    t.a112 = 776;
+    t.a111 = 595;
+    t.a110 = 694;
+    t.a109 = 626;
+    t.a120 = 788;
+    t.a121 = 788;
+    t.a122 = 788;
+    t.a123 = 788;
+    t.a124 = 788;
+    t.a125 = 788;
+    t.a126 = 788;
+    t.a127 = 788;
+    t.a128 = 788;
+    t.a129 = 788;
+    t.a130 = 788;
+    t.a131 = 788;
+    t.a132 = 788;
+    t.a133 = 788;
+    t.a134 = 788;
+    t.a135 = 788;
+    t.a136 = 788;
+    t.a137 = 788;
+    t.a138 = 788;
+    t.a139 = 788;
+    t.a140 = 788;
+    t.a141 = 788;
+    t.a142 = 788;
+    t.a143 = 788;
+    t.a144 = 788;
+    t.a145 = 788;
+    t.a146 = 788;
+    t.a147 = 788;
+    t.a148 = 788;
+    t.a149 = 788;
+    t.a150 = 788;
+    t.a151 = 788;
+    t.a152 = 788;
+    t.a153 = 788;
+    t.a154 = 788;
+    t.a155 = 788;
+    t.a156 = 788;
+    t.a157 = 788;
+    t.a158 = 788;
+    t.a159 = 788;
+    t.a160 = 894;
+    t.a161 = 838;
+    t.a163 = 1016;
+    t.a164 = 458;
+    t.a196 = 748;
+    t.a165 = 924;
+    t.a192 = 748;
+    t.a166 = 918;
+    t.a167 = 927;
+    t.a168 = 928;
+    t.a169 = 928;
+    t.a170 = 834;
+    t.a171 = 873;
+    t.a172 = 828;
+    t.a173 = 924;
+    t.a162 = 924;
+    t.a174 = 917;
+    t.a175 = 930;
+    t.a176 = 931;
+    t.a177 = 463;
+    t.a178 = 883;
+    t.a179 = 836;
+    t.a193 = 836;
+    t.a180 = 867;
+    t.a199 = 867;
+    t.a181 = 696;
+    t.a200 = 696;
+    t.a182 = 874;
+    t.a201 = 874;
+    t.a183 = 760;
+    t.a184 = 946;
+    t.a197 = 771;
+    t.a185 = 865;
+    t.a194 = 771;
+    t.a198 = 888;
+    t.a186 = 967;
+    t.a195 = 888;
+    t.a187 = 831;
+    t.a188 = 873;
+    t.a189 = 927;
+    t.a190 = 970;
+    t.a191 = 918;
+  });
+});
+exports.getMetrics = getMetrics;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/murmurhash3.js b/node_modules/pdfjs-dist/lib/core/murmurhash3.js
new file mode 100644
index 00000000..451830b9
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/murmurhash3.js
@@ -0,0 +1,141 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MurmurHash3_64 = void 0;
+
+var _util = require("../shared/util.js");
+
+const SEED = 0xc3d2e1f0;
+const MASK_HIGH = 0xffff0000;
+const MASK_LOW = 0xffff;
+
+class MurmurHash3_64 {
+  constructor(seed) {
+    this.h1 = seed ? seed & 0xffffffff : SEED;
+    this.h2 = seed ? seed & 0xffffffff : SEED;
+  }
+
+  update(input) {
+    let data, length;
+
+    if ((0, _util.isString)(input)) {
+      data = new Uint8Array(input.length * 2);
+      length = 0;
+
+      for (let i = 0, ii = input.length; i < ii; i++) {
+        const code = input.charCodeAt(i);
+
+        if (code <= 0xff) {
+          data[length++] = code;
+        } else {
+          data[length++] = code >>> 8;
+          data[length++] = code & 0xff;
+        }
+      }
+    } else if ((0, _util.isArrayBuffer)(input)) {
+      data = input;
+      length = data.byteLength;
+    } else {
+      throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
+    }
+
+    const blockCounts = length >> 2;
+    const tailLength = length - blockCounts * 4;
+    const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
+    let k1 = 0,
+        k2 = 0;
+    let h1 = this.h1,
+        h2 = this.h2;
+    const C1 = 0xcc9e2d51,
+          C2 = 0x1b873593;
+    const C1_LOW = C1 & MASK_LOW,
+          C2_LOW = C2 & MASK_LOW;
+
+    for (let i = 0; i < blockCounts; i++) {
+      if (i & 1) {
+        k1 = dataUint32[i];
+        k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+        k1 = k1 << 15 | k1 >>> 17;
+        k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+        h1 ^= k1;
+        h1 = h1 << 13 | h1 >>> 19;
+        h1 = h1 * 5 + 0xe6546b64;
+      } else {
+        k2 = dataUint32[i];
+        k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
+        k2 = k2 << 15 | k2 >>> 17;
+        k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
+        h2 ^= k2;
+        h2 = h2 << 13 | h2 >>> 19;
+        h2 = h2 * 5 + 0xe6546b64;
+      }
+    }
+
+    k1 = 0;
+
+    switch (tailLength) {
+      case 3:
+        k1 ^= data[blockCounts * 4 + 2] << 16;
+
+      case 2:
+        k1 ^= data[blockCounts * 4 + 1] << 8;
+
+      case 1:
+        k1 ^= data[blockCounts * 4];
+        k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+        k1 = k1 << 15 | k1 >>> 17;
+        k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+
+        if (blockCounts & 1) {
+          h1 ^= k1;
+        } else {
+          h2 ^= k1;
+        }
+
+    }
+
+    this.h1 = h1;
+    this.h2 = h2;
+  }
+
+  hexdigest() {
+    let h1 = this.h1,
+        h2 = this.h2;
+    h1 ^= h2 >>> 1;
+    h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
+    h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
+    h1 ^= h2 >>> 1;
+    h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
+    h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
+    h1 ^= h2 >>> 1;
+    const hex1 = (h1 >>> 0).toString(16),
+          hex2 = (h2 >>> 0).toString(16);
+    return hex1.padStart(8, "0") + hex2.padStart(8, "0");
+  }
+
+}
+
+exports.MurmurHash3_64 = MurmurHash3_64;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/obj.js b/node_modules/pdfjs-dist/lib/core/obj.js
new file mode 100644
index 00000000..a32dfc2a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/obj.js
@@ -0,0 +1,2494 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FileSpec = exports.XRef = exports.ObjectLoader = exports.Catalog = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _parser = require("./parser.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _crypto = require("./crypto.js");
+
+var _colorspace = require("./colorspace.js");
+
+var _image_utils = require("./image_utils.js");
+
+function fetchDestination(dest) {
+  return (0, _primitives.isDict)(dest) ? dest.get("D") : dest;
+}
+
+class Catalog {
+  constructor(pdfManager, xref) {
+    this.pdfManager = pdfManager;
+    this.xref = xref;
+    this._catDict = xref.getCatalogObj();
+
+    if (!(0, _primitives.isDict)(this._catDict)) {
+      throw new _util.FormatError("Catalog object is not a dictionary.");
+    }
+
+    this.fontCache = new _primitives.RefSetCache();
+    this.builtInCMapCache = new Map();
+    this.globalImageCache = new _image_utils.GlobalImageCache();
+    this.pageKidsCountCache = new _primitives.RefSetCache();
+  }
+
+  get version() {
+    const version = this._catDict.get("Version");
+
+    if (!(0, _primitives.isName)(version)) {
+      return (0, _util.shadow)(this, "version", null);
+    }
+
+    return (0, _util.shadow)(this, "version", version.name);
+  }
+
+  get collection() {
+    let collection = null;
+
+    try {
+      const obj = this._catDict.get("Collection");
+
+      if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+        collection = obj;
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch Collection entry; assuming no collection is present.");
+    }
+
+    return (0, _util.shadow)(this, "collection", collection);
+  }
+
+  get acroForm() {
+    let acroForm = null;
+
+    try {
+      const obj = this._catDict.get("AcroForm");
+
+      if ((0, _primitives.isDict)(obj) && obj.size > 0) {
+        acroForm = obj;
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.info)("Cannot fetch AcroForm entry; assuming no forms are present.");
+    }
+
+    return (0, _util.shadow)(this, "acroForm", acroForm);
+  }
+
+  get metadata() {
+    const streamRef = this._catDict.getRaw("Metadata");
+
+    if (!(0, _primitives.isRef)(streamRef)) {
+      return (0, _util.shadow)(this, "metadata", null);
+    }
+
+    const suppressEncryption = !(this.xref.encrypt && this.xref.encrypt.encryptMetadata);
+    const stream = this.xref.fetch(streamRef, suppressEncryption);
+    let metadata;
+
+    if (stream && (0, _primitives.isDict)(stream.dict)) {
+      const type = stream.dict.get("Type");
+      const subtype = stream.dict.get("Subtype");
+
+      if ((0, _primitives.isName)(type, "Metadata") && (0, _primitives.isName)(subtype, "XML")) {
+        try {
+          metadata = (0, _util.stringToUTF8String)((0, _util.bytesToString)(stream.getBytes()));
+        } catch (e) {
+          if (e instanceof _core_utils.MissingDataException) {
+            throw e;
+          }
+
+          (0, _util.info)("Skipping invalid metadata.");
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "metadata", metadata);
+  }
+
+  get toplevelPagesDict() {
+    const pagesObj = this._catDict.get("Pages");
+
+    if (!(0, _primitives.isDict)(pagesObj)) {
+      throw new _util.FormatError("Invalid top-level pages dictionary.");
+    }
+
+    return (0, _util.shadow)(this, "toplevelPagesDict", pagesObj);
+  }
+
+  get documentOutline() {
+    let obj = null;
+
+    try {
+      obj = this._readDocumentOutline();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read document outline.");
+    }
+
+    return (0, _util.shadow)(this, "documentOutline", obj);
+  }
+
+  _readDocumentOutline() {
+    let obj = this._catDict.get("Outlines");
+
+    if (!(0, _primitives.isDict)(obj)) {
+      return null;
+    }
+
+    obj = obj.getRaw("First");
+
+    if (!(0, _primitives.isRef)(obj)) {
+      return null;
+    }
+
+    const root = {
+      items: []
+    };
+    const queue = [{
+      obj,
+      parent: root
+    }];
+    const processed = new _primitives.RefSet();
+    processed.put(obj);
+    const xref = this.xref,
+          blackColor = new Uint8ClampedArray(3);
+
+    while (queue.length > 0) {
+      const i = queue.shift();
+      const outlineDict = xref.fetchIfRef(i.obj);
+
+      if (outlineDict === null) {
+        continue;
+      }
+
+      if (!outlineDict.has("Title")) {
+        throw new _util.FormatError("Invalid outline item encountered.");
+      }
+
+      const data = {
+        url: null,
+        dest: null
+      };
+      Catalog.parseDestDictionary({
+        destDict: outlineDict,
+        resultObj: data,
+        docBaseUrl: this.pdfManager.docBaseUrl
+      });
+      const title = outlineDict.get("Title");
+      const flags = outlineDict.get("F") || 0;
+      const color = outlineDict.getArray("C");
+      const count = outlineDict.get("Count");
+      let rgbColor = blackColor;
+
+      if (Array.isArray(color) && color.length === 3 && (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)) {
+        rgbColor = _colorspace.ColorSpace.singletons.rgb.getRgb(color, 0);
+      }
+
+      const outlineItem = {
+        dest: data.dest,
+        url: data.url,
+        unsafeUrl: data.unsafeUrl,
+        newWindow: data.newWindow,
+        title: (0, _util.stringToPDFString)(title),
+        color: rgbColor,
+        count: Number.isInteger(count) ? count : undefined,
+        bold: !!(flags & 2),
+        italic: !!(flags & 1),
+        items: []
+      };
+      i.parent.items.push(outlineItem);
+      obj = outlineDict.getRaw("First");
+
+      if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+        queue.push({
+          obj,
+          parent: outlineItem
+        });
+        processed.put(obj);
+      }
+
+      obj = outlineDict.getRaw("Next");
+
+      if ((0, _primitives.isRef)(obj) && !processed.has(obj)) {
+        queue.push({
+          obj,
+          parent: i.parent
+        });
+        processed.put(obj);
+      }
+    }
+
+    return root.items.length > 0 ? root.items : null;
+  }
+
+  get permissions() {
+    let permissions = null;
+
+    try {
+      permissions = this._readPermissions();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read permissions.");
+    }
+
+    return (0, _util.shadow)(this, "permissions", permissions);
+  }
+
+  _readPermissions() {
+    const encrypt = this.xref.trailer.get("Encrypt");
+
+    if (!(0, _primitives.isDict)(encrypt)) {
+      return null;
+    }
+
+    let flags = encrypt.get("P");
+
+    if (!(0, _util.isNum)(flags)) {
+      return null;
+    }
+
+    flags += 2 ** 32;
+    const permissions = [];
+
+    for (const key in _util.PermissionFlag) {
+      const value = _util.PermissionFlag[key];
+
+      if (flags & value) {
+        permissions.push(value);
+      }
+    }
+
+    return permissions;
+  }
+
+  get optionalContentConfig() {
+    let config = null;
+
+    try {
+      const properties = this._catDict.get("OCProperties");
+
+      if (!properties) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const defaultConfig = properties.get("D");
+
+      if (!defaultConfig) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const groupsData = properties.get("OCGs");
+
+      if (!Array.isArray(groupsData)) {
+        return (0, _util.shadow)(this, "optionalContentConfig", null);
+      }
+
+      const groups = [];
+      const groupRefs = [];
+
+      for (const groupRef of groupsData) {
+        if (!(0, _primitives.isRef)(groupRef)) {
+          continue;
+        }
+
+        groupRefs.push(groupRef);
+        const group = this.xref.fetchIfRef(groupRef);
+        groups.push({
+          id: groupRef.toString(),
+          name: (0, _util.isString)(group.get("Name")) ? (0, _util.stringToPDFString)(group.get("Name")) : null,
+          intent: (0, _util.isString)(group.get("Intent")) ? (0, _util.stringToPDFString)(group.get("Intent")) : null
+        });
+      }
+
+      config = this._readOptionalContentConfig(defaultConfig, groupRefs);
+      config.groups = groups;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`Unable to read optional content config: ${ex}`);
+    }
+
+    return (0, _util.shadow)(this, "optionalContentConfig", config);
+  }
+
+  _readOptionalContentConfig(config, contentGroupRefs) {
+    function parseOnOff(refs) {
+      const onParsed = [];
+
+      if (Array.isArray(refs)) {
+        for (const value of refs) {
+          if (!(0, _primitives.isRef)(value)) {
+            continue;
+          }
+
+          if (contentGroupRefs.includes(value)) {
+            onParsed.push(value.toString());
+          }
+        }
+      }
+
+      return onParsed;
+    }
+
+    function parseOrder(refs, nestedLevels = 0) {
+      if (!Array.isArray(refs)) {
+        return null;
+      }
+
+      const order = [];
+
+      for (const value of refs) {
+        if ((0, _primitives.isRef)(value) && contentGroupRefs.includes(value)) {
+          parsedOrderRefs.put(value);
+          order.push(value.toString());
+          continue;
+        }
+
+        const nestedOrder = parseNestedOrder(value, nestedLevels);
+
+        if (nestedOrder) {
+          order.push(nestedOrder);
+        }
+      }
+
+      if (nestedLevels > 0) {
+        return order;
+      }
+
+      const hiddenGroups = [];
+
+      for (const groupRef of contentGroupRefs) {
+        if (parsedOrderRefs.has(groupRef)) {
+          continue;
+        }
+
+        hiddenGroups.push(groupRef.toString());
+      }
+
+      if (hiddenGroups.length) {
+        order.push({
+          name: null,
+          order: hiddenGroups
+        });
+      }
+
+      return order;
+    }
+
+    function parseNestedOrder(ref, nestedLevels) {
+      if (++nestedLevels > MAX_NESTED_LEVELS) {
+        (0, _util.warn)("parseNestedOrder - reached MAX_NESTED_LEVELS.");
+        return null;
+      }
+
+      const value = xref.fetchIfRef(ref);
+
+      if (!Array.isArray(value)) {
+        return null;
+      }
+
+      const nestedName = xref.fetchIfRef(value[0]);
+
+      if (typeof nestedName !== "string") {
+        return null;
+      }
+
+      const nestedOrder = parseOrder(value.slice(1), nestedLevels);
+
+      if (!nestedOrder || !nestedOrder.length) {
+        return null;
+      }
+
+      return {
+        name: (0, _util.stringToPDFString)(nestedName),
+        order: nestedOrder
+      };
+    }
+
+    const xref = this.xref,
+          parsedOrderRefs = new _primitives.RefSet(),
+          MAX_NESTED_LEVELS = 10;
+    return {
+      name: (0, _util.isString)(config.get("Name")) ? (0, _util.stringToPDFString)(config.get("Name")) : null,
+      creator: (0, _util.isString)(config.get("Creator")) ? (0, _util.stringToPDFString)(config.get("Creator")) : null,
+      baseState: (0, _primitives.isName)(config.get("BaseState")) ? config.get("BaseState").name : null,
+      on: parseOnOff(config.get("ON")),
+      off: parseOnOff(config.get("OFF")),
+      order: parseOrder(config.get("Order")),
+      groups: null
+    };
+  }
+
+  get numPages() {
+    const obj = this.toplevelPagesDict.get("Count");
+
+    if (!Number.isInteger(obj)) {
+      throw new _util.FormatError("Page count in top-level pages dictionary is not an integer.");
+    }
+
+    return (0, _util.shadow)(this, "numPages", obj);
+  }
+
+  get destinations() {
+    const obj = this._readDests(),
+          dests = Object.create(null);
+
+    if (obj instanceof NameTree) {
+      const names = obj.getAll();
+
+      for (const name in names) {
+        dests[name] = fetchDestination(names[name]);
+      }
+    } else if (obj instanceof _primitives.Dict) {
+      obj.forEach(function (key, value) {
+        if (value) {
+          dests[key] = fetchDestination(value);
+        }
+      });
+    }
+
+    return (0, _util.shadow)(this, "destinations", dests);
+  }
+
+  getDestination(destinationId) {
+    const obj = this._readDests();
+
+    if (obj instanceof NameTree || obj instanceof _primitives.Dict) {
+      return fetchDestination(obj.get(destinationId) || null);
+    }
+
+    return null;
+  }
+
+  _readDests() {
+    const obj = this._catDict.get("Names");
+
+    if (obj && obj.has("Dests")) {
+      return new NameTree(obj.getRaw("Dests"), this.xref);
+    } else if (this._catDict.has("Dests")) {
+      return this._catDict.get("Dests");
+    }
+
+    return undefined;
+  }
+
+  get pageLabels() {
+    let obj = null;
+
+    try {
+      obj = this._readPageLabels();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)("Unable to read page labels.");
+    }
+
+    return (0, _util.shadow)(this, "pageLabels", obj);
+  }
+
+  _readPageLabels() {
+    const obj = this._catDict.getRaw("PageLabels");
+
+    if (!obj) {
+      return null;
+    }
+
+    const pageLabels = new Array(this.numPages);
+    let style = null,
+        prefix = "";
+    const numberTree = new NumberTree(obj, this.xref);
+    const nums = numberTree.getAll();
+    let currentLabel = "",
+        currentIndex = 1;
+
+    for (let i = 0, ii = this.numPages; i < ii; i++) {
+      if (i in nums) {
+        const labelDict = nums[i];
+
+        if (!(0, _primitives.isDict)(labelDict)) {
+          throw new _util.FormatError("PageLabel is not a dictionary.");
+        }
+
+        if (labelDict.has("Type") && !(0, _primitives.isName)(labelDict.get("Type"), "PageLabel")) {
+          throw new _util.FormatError("Invalid type in PageLabel dictionary.");
+        }
+
+        if (labelDict.has("S")) {
+          const s = labelDict.get("S");
+
+          if (!(0, _primitives.isName)(s)) {
+            throw new _util.FormatError("Invalid style in PageLabel dictionary.");
+          }
+
+          style = s.name;
+        } else {
+          style = null;
+        }
+
+        if (labelDict.has("P")) {
+          const p = labelDict.get("P");
+
+          if (!(0, _util.isString)(p)) {
+            throw new _util.FormatError("Invalid prefix in PageLabel dictionary.");
+          }
+
+          prefix = (0, _util.stringToPDFString)(p);
+        } else {
+          prefix = "";
+        }
+
+        if (labelDict.has("St")) {
+          const st = labelDict.get("St");
+
+          if (!(Number.isInteger(st) && st >= 1)) {
+            throw new _util.FormatError("Invalid start in PageLabel dictionary.");
+          }
+
+          currentIndex = st;
+        } else {
+          currentIndex = 1;
+        }
+      }
+
+      switch (style) {
+        case "D":
+          currentLabel = currentIndex;
+          break;
+
+        case "R":
+        case "r":
+          currentLabel = (0, _core_utils.toRomanNumerals)(currentIndex, style === "r");
+          break;
+
+        case "A":
+        case "a":
+          const LIMIT = 26;
+          const A_UPPER_CASE = 0x41,
+                A_LOWER_CASE = 0x61;
+          const baseCharCode = style === "a" ? A_LOWER_CASE : A_UPPER_CASE;
+          const letterIndex = currentIndex - 1;
+          const character = String.fromCharCode(baseCharCode + letterIndex % LIMIT);
+          const charBuf = [];
+
+          for (let j = 0, jj = letterIndex / LIMIT | 0; j <= jj; j++) {
+            charBuf.push(character);
+          }
+
+          currentLabel = charBuf.join("");
+          break;
+
+        default:
+          if (style) {
+            throw new _util.FormatError(`Invalid style "${style}" in PageLabel dictionary.`);
+          }
+
+          currentLabel = "";
+      }
+
+      pageLabels[i] = prefix + currentLabel;
+      currentIndex++;
+    }
+
+    return pageLabels;
+  }
+
+  get pageLayout() {
+    const obj = this._catDict.get("PageLayout");
+
+    let pageLayout = "";
+
+    if ((0, _primitives.isName)(obj)) {
+      switch (obj.name) {
+        case "SinglePage":
+        case "OneColumn":
+        case "TwoColumnLeft":
+        case "TwoColumnRight":
+        case "TwoPageLeft":
+        case "TwoPageRight":
+          pageLayout = obj.name;
+      }
+    }
+
+    return (0, _util.shadow)(this, "pageLayout", pageLayout);
+  }
+
+  get pageMode() {
+    const obj = this._catDict.get("PageMode");
+
+    let pageMode = "UseNone";
+
+    if ((0, _primitives.isName)(obj)) {
+      switch (obj.name) {
+        case "UseNone":
+        case "UseOutlines":
+        case "UseThumbs":
+        case "FullScreen":
+        case "UseOC":
+        case "UseAttachments":
+          pageMode = obj.name;
+      }
+    }
+
+    return (0, _util.shadow)(this, "pageMode", pageMode);
+  }
+
+  get viewerPreferences() {
+    const ViewerPreferencesValidators = {
+      HideToolbar: _util.isBool,
+      HideMenubar: _util.isBool,
+      HideWindowUI: _util.isBool,
+      FitWindow: _util.isBool,
+      CenterWindow: _util.isBool,
+      DisplayDocTitle: _util.isBool,
+      NonFullScreenPageMode: _primitives.isName,
+      Direction: _primitives.isName,
+      ViewArea: _primitives.isName,
+      ViewClip: _primitives.isName,
+      PrintArea: _primitives.isName,
+      PrintClip: _primitives.isName,
+      PrintScaling: _primitives.isName,
+      Duplex: _primitives.isName,
+      PickTrayByPDFSize: _util.isBool,
+      PrintPageRange: Array.isArray,
+      NumCopies: Number.isInteger
+    };
+
+    const obj = this._catDict.get("ViewerPreferences");
+
+    let prefs = null;
+
+    if ((0, _primitives.isDict)(obj)) {
+      for (const key in ViewerPreferencesValidators) {
+        if (!obj.has(key)) {
+          continue;
+        }
+
+        const value = obj.get(key);
+
+        if (!ViewerPreferencesValidators[key](value)) {
+          (0, _util.info)(`Bad value in ViewerPreferences for "${key}".`);
+          continue;
+        }
+
+        let prefValue;
+
+        switch (key) {
+          case "NonFullScreenPageMode":
+            switch (value.name) {
+              case "UseNone":
+              case "UseOutlines":
+              case "UseThumbs":
+              case "UseOC":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "UseNone";
+            }
+
+            break;
+
+          case "Direction":
+            switch (value.name) {
+              case "L2R":
+              case "R2L":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "L2R";
+            }
+
+            break;
+
+          case "ViewArea":
+          case "ViewClip":
+          case "PrintArea":
+          case "PrintClip":
+            switch (value.name) {
+              case "MediaBox":
+              case "CropBox":
+              case "BleedBox":
+              case "TrimBox":
+              case "ArtBox":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "CropBox";
+            }
+
+            break;
+
+          case "PrintScaling":
+            switch (value.name) {
+              case "None":
+              case "AppDefault":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "AppDefault";
+            }
+
+            break;
+
+          case "Duplex":
+            switch (value.name) {
+              case "Simplex":
+              case "DuplexFlipShortEdge":
+              case "DuplexFlipLongEdge":
+                prefValue = value.name;
+                break;
+
+              default:
+                prefValue = "None";
+            }
+
+            break;
+
+          case "PrintPageRange":
+            const length = value.length;
+
+            if (length % 2 !== 0) {
+              break;
+            }
+
+            const isValid = value.every((page, i, arr) => {
+              return Number.isInteger(page) && page > 0 && (i === 0 || page >= arr[i - 1]) && page <= this.numPages;
+            });
+
+            if (isValid) {
+              prefValue = value;
+            }
+
+            break;
+
+          case "NumCopies":
+            if (value > 0) {
+              prefValue = value;
+            }
+
+            break;
+
+          default:
+            if (typeof value !== "boolean") {
+              throw new _util.FormatError(`viewerPreferences - expected a boolean value for: ${key}`);
+            }
+
+            prefValue = value;
+        }
+
+        if (prefValue !== undefined) {
+          if (!prefs) {
+            prefs = Object.create(null);
+          }
+
+          prefs[key] = prefValue;
+        } else {
+          (0, _util.info)(`Bad value in ViewerPreferences for "${key}".`);
+        }
+      }
+    }
+
+    return (0, _util.shadow)(this, "viewerPreferences", prefs);
+  }
+
+  get openAction() {
+    const obj = this._catDict.get("OpenAction");
+
+    let openAction = null;
+
+    if ((0, _primitives.isDict)(obj)) {
+      const destDict = new _primitives.Dict(this.xref);
+      destDict.set("A", obj);
+      const resultObj = {
+        url: null,
+        dest: null,
+        action: null
+      };
+      Catalog.parseDestDictionary({
+        destDict,
+        resultObj
+      });
+
+      if (Array.isArray(resultObj.dest)) {
+        if (!openAction) {
+          openAction = Object.create(null);
+        }
+
+        openAction.dest = resultObj.dest;
+      } else if (resultObj.action) {
+        if (!openAction) {
+          openAction = Object.create(null);
+        }
+
+        openAction.action = resultObj.action;
+      }
+    } else if (Array.isArray(obj)) {
+      if (!openAction) {
+        openAction = Object.create(null);
+      }
+
+      openAction.dest = obj;
+    }
+
+    return (0, _util.shadow)(this, "openAction", openAction);
+  }
+
+  get attachments() {
+    const obj = this._catDict.get("Names");
+
+    let attachments = null;
+
+    if (obj && obj.has("EmbeddedFiles")) {
+      const nameTree = new NameTree(obj.getRaw("EmbeddedFiles"), this.xref);
+      const names = nameTree.getAll();
+
+      for (const name in names) {
+        const fs = new FileSpec(names[name], this.xref);
+
+        if (!attachments) {
+          attachments = Object.create(null);
+        }
+
+        attachments[(0, _util.stringToPDFString)(name)] = fs.serializable;
+      }
+    }
+
+    return (0, _util.shadow)(this, "attachments", attachments);
+  }
+
+  get javaScript() {
+    const obj = this._catDict.get("Names");
+
+    let javaScript = null;
+
+    function appendIfJavaScriptDict(jsDict) {
+      const type = jsDict.get("S");
+
+      if (!(0, _primitives.isName)(type, "JavaScript")) {
+        return;
+      }
+
+      let js = jsDict.get("JS");
+
+      if ((0, _primitives.isStream)(js)) {
+        js = (0, _util.bytesToString)(js.getBytes());
+      } else if (!(0, _util.isString)(js)) {
+        return;
+      }
+
+      if (!javaScript) {
+        javaScript = [];
+      }
+
+      javaScript.push((0, _util.stringToPDFString)(js));
+    }
+
+    if (obj && obj.has("JavaScript")) {
+      const nameTree = new NameTree(obj.getRaw("JavaScript"), this.xref);
+      const names = nameTree.getAll();
+
+      for (const name in names) {
+        const jsDict = names[name];
+
+        if ((0, _primitives.isDict)(jsDict)) {
+          appendIfJavaScriptDict(jsDict);
+        }
+      }
+    }
+
+    const openAction = this._catDict.get("OpenAction");
+
+    if ((0, _primitives.isDict)(openAction) && (0, _primitives.isName)(openAction.get("S"), "JavaScript")) {
+      appendIfJavaScriptDict(openAction);
+    }
+
+    return (0, _util.shadow)(this, "javaScript", javaScript);
+  }
+
+  fontFallback(id, handler) {
+    const promises = [];
+    this.fontCache.forEach(function (promise) {
+      promises.push(promise);
+    });
+    return Promise.all(promises).then(translatedFonts => {
+      for (const translatedFont of translatedFonts) {
+        if (translatedFont.loadedName === id) {
+          translatedFont.fallback(handler);
+          return;
+        }
+      }
+    });
+  }
+
+  cleanup(manuallyTriggered = false) {
+    (0, _primitives.clearPrimitiveCaches)();
+    this.globalImageCache.clear(manuallyTriggered);
+    this.pageKidsCountCache.clear();
+    const promises = [];
+    this.fontCache.forEach(function (promise) {
+      promises.push(promise);
+    });
+    return Promise.all(promises).then(translatedFonts => {
+      for (const {
+        dict
+      } of translatedFonts) {
+        delete dict.translated;
+      }
+
+      this.fontCache.clear();
+      this.builtInCMapCache.clear();
+    });
+  }
+
+  getPageDict(pageIndex) {
+    const capability = (0, _util.createPromiseCapability)();
+    const nodesToVisit = [this._catDict.getRaw("Pages")];
+    const visitedNodes = new _primitives.RefSet();
+    const xref = this.xref,
+          pageKidsCountCache = this.pageKidsCountCache;
+    let count,
+        currentPageIndex = 0;
+
+    function next() {
+      while (nodesToVisit.length) {
+        const currentNode = nodesToVisit.pop();
+
+        if ((0, _primitives.isRef)(currentNode)) {
+          count = pageKidsCountCache.get(currentNode);
+
+          if (count > 0 && currentPageIndex + count < pageIndex) {
+            currentPageIndex += count;
+            continue;
+          }
+
+          if (visitedNodes.has(currentNode)) {
+            capability.reject(new _util.FormatError("Pages tree contains circular reference."));
+            return;
+          }
+
+          visitedNodes.put(currentNode);
+          xref.fetchAsync(currentNode).then(function (obj) {
+            if ((0, _primitives.isDict)(obj, "Page") || (0, _primitives.isDict)(obj) && !obj.has("Kids")) {
+              if (pageIndex === currentPageIndex) {
+                if (currentNode && !pageKidsCountCache.has(currentNode)) {
+                  pageKidsCountCache.put(currentNode, 1);
+                }
+
+                capability.resolve([obj, currentNode]);
+              } else {
+                currentPageIndex++;
+                next();
+              }
+
+              return;
+            }
+
+            nodesToVisit.push(obj);
+            next();
+          }, capability.reject);
+          return;
+        }
+
+        if (!(0, _primitives.isDict)(currentNode)) {
+          capability.reject(new _util.FormatError("Page dictionary kid reference points to wrong type of object."));
+          return;
+        }
+
+        count = currentNode.get("Count");
+
+        if (Number.isInteger(count) && count >= 0) {
+          const objId = currentNode.objId;
+
+          if (objId && !pageKidsCountCache.has(objId)) {
+            pageKidsCountCache.put(objId, count);
+          }
+
+          if (currentPageIndex + count <= pageIndex) {
+            currentPageIndex += count;
+            continue;
+          }
+        }
+
+        const kids = currentNode.get("Kids");
+
+        if (!Array.isArray(kids)) {
+          if ((0, _primitives.isName)(currentNode.get("Type"), "Page") || !currentNode.has("Type") && currentNode.has("Contents")) {
+            if (currentPageIndex === pageIndex) {
+              capability.resolve([currentNode, null]);
+              return;
+            }
+
+            currentPageIndex++;
+            continue;
+          }
+
+          capability.reject(new _util.FormatError("Page dictionary kids object is not an array."));
+          return;
+        }
+
+        for (let last = kids.length - 1; last >= 0; last--) {
+          nodesToVisit.push(kids[last]);
+        }
+      }
+
+      capability.reject(new Error(`Page index ${pageIndex} not found.`));
+    }
+
+    next();
+    return capability.promise;
+  }
+
+  getPageIndex(pageRef) {
+    const xref = this.xref;
+
+    function pagesBeforeRef(kidRef) {
+      let total = 0,
+          parentRef;
+      return xref.fetchAsync(kidRef).then(function (node) {
+        if ((0, _primitives.isRefsEqual)(kidRef, pageRef) && !(0, _primitives.isDict)(node, "Page") && !((0, _primitives.isDict)(node) && !node.has("Type") && node.has("Contents"))) {
+          throw new _util.FormatError("The reference does not point to a /Page dictionary.");
+        }
+
+        if (!node) {
+          return null;
+        }
+
+        if (!(0, _primitives.isDict)(node)) {
+          throw new _util.FormatError("Node must be a dictionary.");
+        }
+
+        parentRef = node.getRaw("Parent");
+        return node.getAsync("Parent");
+      }).then(function (parent) {
+        if (!parent) {
+          return null;
+        }
+
+        if (!(0, _primitives.isDict)(parent)) {
+          throw new _util.FormatError("Parent must be a dictionary.");
+        }
+
+        return parent.getAsync("Kids");
+      }).then(function (kids) {
+        if (!kids) {
+          return null;
+        }
+
+        const kidPromises = [];
+        let found = false;
+
+        for (let i = 0, ii = kids.length; i < ii; i++) {
+          const kid = kids[i];
+
+          if (!(0, _primitives.isRef)(kid)) {
+            throw new _util.FormatError("Kid must be a reference.");
+          }
+
+          if ((0, _primitives.isRefsEqual)(kid, kidRef)) {
+            found = true;
+            break;
+          }
+
+          kidPromises.push(xref.fetchAsync(kid).then(function (obj) {
+            if (!(0, _primitives.isDict)(obj)) {
+              throw new _util.FormatError("Kid node must be a dictionary.");
+            }
+
+            if (obj.has("Count")) {
+              total += obj.get("Count");
+            } else {
+              total++;
+            }
+          }));
+        }
+
+        if (!found) {
+          throw new _util.FormatError("Kid reference not found in parent's kids.");
+        }
+
+        return Promise.all(kidPromises).then(function () {
+          return [total, parentRef];
+        });
+      });
+    }
+
+    let total = 0;
+
+    function next(ref) {
+      return pagesBeforeRef(ref).then(function (args) {
+        if (!args) {
+          return total;
+        }
+
+        const [count, parentRef] = args;
+        total += count;
+        return next(parentRef);
+      });
+    }
+
+    return next(pageRef);
+  }
+
+  static parseDestDictionary(params) {
+    function addDefaultProtocolToUrl(url) {
+      return url.startsWith("www.") ? `http://${url}` : url;
+    }
+
+    function tryConvertUrlEncoding(url) {
+      try {
+        return (0, _util.stringToUTF8String)(url);
+      } catch (e) {
+        return url;
+      }
+    }
+
+    const destDict = params.destDict;
+
+    if (!(0, _primitives.isDict)(destDict)) {
+      (0, _util.warn)("parseDestDictionary: `destDict` must be a dictionary.");
+      return;
+    }
+
+    const resultObj = params.resultObj;
+
+    if (typeof resultObj !== "object") {
+      (0, _util.warn)("parseDestDictionary: `resultObj` must be an object.");
+      return;
+    }
+
+    const docBaseUrl = params.docBaseUrl || null;
+    let action = destDict.get("A"),
+        url,
+        dest;
+
+    if (!(0, _primitives.isDict)(action) && destDict.has("Dest")) {
+      action = destDict.get("Dest");
+    }
+
+    if ((0, _primitives.isDict)(action)) {
+      const actionType = action.get("S");
+
+      if (!(0, _primitives.isName)(actionType)) {
+        (0, _util.warn)("parseDestDictionary: Invalid type in Action dictionary.");
+        return;
+      }
+
+      const actionName = actionType.name;
+
+      switch (actionName) {
+        case "URI":
+          url = action.get("URI");
+
+          if ((0, _primitives.isName)(url)) {
+            url = "/" + url.name;
+          } else if ((0, _util.isString)(url)) {
+            url = addDefaultProtocolToUrl(url);
+          }
+
+          break;
+
+        case "GoTo":
+          dest = action.get("D");
+          break;
+
+        case "Launch":
+        case "GoToR":
+          const urlDict = action.get("F");
+
+          if ((0, _primitives.isDict)(urlDict)) {
+            url = urlDict.get("F") || null;
+          } else if ((0, _util.isString)(urlDict)) {
+            url = urlDict;
+          }
+
+          let remoteDest = action.get("D");
+
+          if (remoteDest) {
+            if ((0, _primitives.isName)(remoteDest)) {
+              remoteDest = remoteDest.name;
+            }
+
+            if ((0, _util.isString)(url)) {
+              const baseUrl = url.split("#")[0];
+
+              if ((0, _util.isString)(remoteDest)) {
+                url = baseUrl + "#" + remoteDest;
+              } else if (Array.isArray(remoteDest)) {
+                url = baseUrl + "#" + JSON.stringify(remoteDest);
+              }
+            }
+          }
+
+          const newWindow = action.get("NewWindow");
+
+          if ((0, _util.isBool)(newWindow)) {
+            resultObj.newWindow = newWindow;
+          }
+
+          break;
+
+        case "Named":
+          const namedAction = action.get("N");
+
+          if ((0, _primitives.isName)(namedAction)) {
+            resultObj.action = namedAction.name;
+          }
+
+          break;
+
+        case "JavaScript":
+          const jsAction = action.get("JS");
+          let js;
+
+          if ((0, _primitives.isStream)(jsAction)) {
+            js = (0, _util.bytesToString)(jsAction.getBytes());
+          } else if ((0, _util.isString)(jsAction)) {
+            js = jsAction;
+          }
+
+          if (js) {
+            const URL_OPEN_METHODS = ["app.launchURL", "window.open"];
+            const regex = new RegExp("^\\s*(" + URL_OPEN_METHODS.join("|").split(".").join("\\.") + ")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))", "i");
+            const jsUrl = regex.exec((0, _util.stringToPDFString)(js));
+
+            if (jsUrl && jsUrl[2]) {
+              url = jsUrl[2];
+
+              if (jsUrl[3] === "true" && jsUrl[1] === "app.launchURL") {
+                resultObj.newWindow = true;
+              }
+
+              break;
+            }
+          }
+
+        default:
+          (0, _util.warn)(`parseDestDictionary: unsupported action type "${actionName}".`);
+          break;
+      }
+    } else if (destDict.has("Dest")) {
+      dest = destDict.get("Dest");
+    }
+
+    if ((0, _util.isString)(url)) {
+      url = tryConvertUrlEncoding(url);
+      const absoluteUrl = (0, _util.createValidAbsoluteUrl)(url, docBaseUrl);
+
+      if (absoluteUrl) {
+        resultObj.url = absoluteUrl.href;
+      }
+
+      resultObj.unsafeUrl = url;
+    }
+
+    if (dest) {
+      if ((0, _primitives.isName)(dest)) {
+        dest = dest.name;
+      }
+
+      if ((0, _util.isString)(dest) || Array.isArray(dest)) {
+        resultObj.dest = dest;
+      }
+    }
+  }
+
+}
+
+exports.Catalog = Catalog;
+
+var XRef = function XRefClosure() {
+  function XRef(stream, pdfManager) {
+    this.stream = stream;
+    this.pdfManager = pdfManager;
+    this.entries = [];
+    this.xrefstms = Object.create(null);
+    this._cacheMap = new Map();
+    this.stats = {
+      streamTypes: Object.create(null),
+      fontTypes: Object.create(null)
+    };
+    this._newRefNum = null;
+  }
+
+  XRef.prototype = {
+    getNewRef: function XRef_getNewRef() {
+      if (this._newRefNum === null) {
+        this._newRefNum = this.entries.length;
+      }
+
+      return _primitives.Ref.get(this._newRefNum++, 0);
+    },
+    resetNewRef: function XRef_resetNewRef() {
+      this._newRefNum = null;
+    },
+    setStartXRef: function XRef_setStartXRef(startXRef) {
+      this.startXRefQueue = [startXRef];
+    },
+    parse: function XRef_parse(recoveryMode) {
+      var trailerDict;
+
+      if (!recoveryMode) {
+        trailerDict = this.readXRef();
+      } else {
+        (0, _util.warn)("Indexing all PDF objects");
+        trailerDict = this.indexObjects();
+      }
+
+      trailerDict.assignXref(this);
+      this.trailer = trailerDict;
+      let encrypt;
+
+      try {
+        encrypt = trailerDict.get("Encrypt");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)(`XRef.parse - Invalid "Encrypt" reference: "${ex}".`);
+      }
+
+      if ((0, _primitives.isDict)(encrypt)) {
+        var ids = trailerDict.get("ID");
+        var fileId = ids && ids.length ? ids[0] : "";
+        encrypt.suppressEncryption = true;
+        this.encrypt = new _crypto.CipherTransformFactory(encrypt, fileId, this.pdfManager.password);
+      }
+
+      let root;
+
+      try {
+        root = trailerDict.get("Root");
+      } catch (ex) {
+        if (ex instanceof _core_utils.MissingDataException) {
+          throw ex;
+        }
+
+        (0, _util.warn)(`XRef.parse - Invalid "Root" reference: "${ex}".`);
+      }
+
+      if ((0, _primitives.isDict)(root) && root.has("Pages")) {
+        this.root = root;
+      } else {
+        if (!recoveryMode) {
+          throw new _core_utils.XRefParseException();
+        }
+
+        throw new _util.FormatError("Invalid root reference");
+      }
+    },
+    processXRefTable: function XRef_processXRefTable(parser) {
+      if (!("tableState" in this)) {
+        this.tableState = {
+          entryNum: 0,
+          streamPos: parser.lexer.stream.pos,
+          parserBuf1: parser.buf1,
+          parserBuf2: parser.buf2
+        };
+      }
+
+      var obj = this.readXRefTable(parser);
+
+      if (!(0, _primitives.isCmd)(obj, "trailer")) {
+        throw new _util.FormatError("Invalid XRef table: could not find trailer dictionary");
+      }
+
+      var dict = parser.getObj();
+
+      if (!(0, _primitives.isDict)(dict) && dict.dict) {
+        dict = dict.dict;
+      }
+
+      if (!(0, _primitives.isDict)(dict)) {
+        throw new _util.FormatError("Invalid XRef table: could not parse trailer dictionary");
+      }
+
+      delete this.tableState;
+      return dict;
+    },
+    readXRefTable: function XRef_readXRefTable(parser) {
+      var stream = parser.lexer.stream;
+      var tableState = this.tableState;
+      stream.pos = tableState.streamPos;
+      parser.buf1 = tableState.parserBuf1;
+      parser.buf2 = tableState.parserBuf2;
+      var obj;
+
+      while (true) {
+        if (!("firstEntryNum" in tableState) || !("entryCount" in tableState)) {
+          if ((0, _primitives.isCmd)(obj = parser.getObj(), "trailer")) {
+            break;
+          }
+
+          tableState.firstEntryNum = obj;
+          tableState.entryCount = parser.getObj();
+        }
+
+        var first = tableState.firstEntryNum;
+        var count = tableState.entryCount;
+
+        if (!Number.isInteger(first) || !Number.isInteger(count)) {
+          throw new _util.FormatError("Invalid XRef table: wrong types in subsection header");
+        }
+
+        for (var i = tableState.entryNum; i < count; i++) {
+          tableState.streamPos = stream.pos;
+          tableState.entryNum = i;
+          tableState.parserBuf1 = parser.buf1;
+          tableState.parserBuf2 = parser.buf2;
+          var entry = {};
+          entry.offset = parser.getObj();
+          entry.gen = parser.getObj();
+          var type = parser.getObj();
+
+          if (type instanceof _primitives.Cmd) {
+            switch (type.cmd) {
+              case "f":
+                entry.free = true;
+                break;
+
+              case "n":
+                entry.uncompressed = true;
+                break;
+            }
+          }
+
+          if (!Number.isInteger(entry.offset) || !Number.isInteger(entry.gen) || !(entry.free || entry.uncompressed)) {
+            throw new _util.FormatError(`Invalid entry in XRef subsection: ${first}, ${count}`);
+          }
+
+          if (i === 0 && entry.free && first === 1) {
+            first = 0;
+          }
+
+          if (!this.entries[i + first]) {
+            this.entries[i + first] = entry;
+          }
+        }
+
+        tableState.entryNum = 0;
+        tableState.streamPos = stream.pos;
+        tableState.parserBuf1 = parser.buf1;
+        tableState.parserBuf2 = parser.buf2;
+        delete tableState.firstEntryNum;
+        delete tableState.entryCount;
+      }
+
+      if (this.entries[0] && !this.entries[0].free) {
+        throw new _util.FormatError("Invalid XRef table: unexpected first object");
+      }
+
+      return obj;
+    },
+    processXRefStream: function XRef_processXRefStream(stream) {
+      if (!("streamState" in this)) {
+        var streamParameters = stream.dict;
+        var byteWidths = streamParameters.get("W");
+        var range = streamParameters.get("Index");
+
+        if (!range) {
+          range = [0, streamParameters.get("Size")];
+        }
+
+        this.streamState = {
+          entryRanges: range,
+          byteWidths,
+          entryNum: 0,
+          streamPos: stream.pos
+        };
+      }
+
+      this.readXRefStream(stream);
+      delete this.streamState;
+      return stream.dict;
+    },
+    readXRefStream: function XRef_readXRefStream(stream) {
+      var i, j;
+      var streamState = this.streamState;
+      stream.pos = streamState.streamPos;
+      var byteWidths = streamState.byteWidths;
+      var typeFieldWidth = byteWidths[0];
+      var offsetFieldWidth = byteWidths[1];
+      var generationFieldWidth = byteWidths[2];
+      var entryRanges = streamState.entryRanges;
+
+      while (entryRanges.length > 0) {
+        var first = entryRanges[0];
+        var n = entryRanges[1];
+
+        if (!Number.isInteger(first) || !Number.isInteger(n)) {
+          throw new _util.FormatError(`Invalid XRef range fields: ${first}, ${n}`);
+        }
+
+        if (!Number.isInteger(typeFieldWidth) || !Number.isInteger(offsetFieldWidth) || !Number.isInteger(generationFieldWidth)) {
+          throw new _util.FormatError(`Invalid XRef entry fields length: ${first}, ${n}`);
+        }
+
+        for (i = streamState.entryNum; i < n; ++i) {
+          streamState.entryNum = i;
+          streamState.streamPos = stream.pos;
+          var type = 0,
+              offset = 0,
+              generation = 0;
+
+          for (j = 0; j < typeFieldWidth; ++j) {
+            type = type << 8 | stream.getByte();
+          }
+
+          if (typeFieldWidth === 0) {
+            type = 1;
+          }
+
+          for (j = 0; j < offsetFieldWidth; ++j) {
+            offset = offset << 8 | stream.getByte();
+          }
+
+          for (j = 0; j < generationFieldWidth; ++j) {
+            generation = generation << 8 | stream.getByte();
+          }
+
+          var entry = {};
+          entry.offset = offset;
+          entry.gen = generation;
+
+          switch (type) {
+            case 0:
+              entry.free = true;
+              break;
+
+            case 1:
+              entry.uncompressed = true;
+              break;
+
+            case 2:
+              break;
+
+            default:
+              throw new _util.FormatError(`Invalid XRef entry type: ${type}`);
+          }
+
+          if (!this.entries[first + i]) {
+            this.entries[first + i] = entry;
+          }
+        }
+
+        streamState.entryNum = 0;
+        streamState.streamPos = stream.pos;
+        entryRanges.splice(0, 2);
+      }
+    },
+    indexObjects: function XRef_indexObjects() {
+      var TAB = 0x9,
+          LF = 0xa,
+          CR = 0xd,
+          SPACE = 0x20;
+      var PERCENT = 0x25,
+          LT = 0x3c;
+
+      function readToken(data, offset) {
+        var token = "",
+            ch = data[offset];
+
+        while (ch !== LF && ch !== CR && ch !== LT) {
+          if (++offset >= data.length) {
+            break;
+          }
+
+          token += String.fromCharCode(ch);
+          ch = data[offset];
+        }
+
+        return token;
+      }
+
+      function skipUntil(data, offset, what) {
+        var length = what.length,
+            dataLength = data.length;
+        var skipped = 0;
+
+        while (offset < dataLength) {
+          var i = 0;
+
+          while (i < length && data[offset + i] === what[i]) {
+            ++i;
+          }
+
+          if (i >= length) {
+            break;
+          }
+
+          offset++;
+          skipped++;
+        }
+
+        return skipped;
+      }
+
+      var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/;
+      const endobjRegExp = /\bendobj[\b\s]$/;
+      const nestedObjRegExp = /\s+(\d+\s+\d+\s+obj[\b\s<])$/;
+      const CHECK_CONTENT_LENGTH = 25;
+      var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);
+      var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, 101, 102]);
+      const objBytes = new Uint8Array([111, 98, 106]);
+      var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);
+      this.entries.length = 0;
+      var stream = this.stream;
+      stream.pos = 0;
+      var buffer = stream.getBytes();
+      var position = stream.start,
+          length = buffer.length;
+      var trailers = [],
+          xrefStms = [];
+
+      while (position < length) {
+        var ch = buffer[position];
+
+        if (ch === TAB || ch === LF || ch === CR || ch === SPACE) {
+          ++position;
+          continue;
+        }
+
+        if (ch === PERCENT) {
+          do {
+            ++position;
+
+            if (position >= length) {
+              break;
+            }
+
+            ch = buffer[position];
+          } while (ch !== LF && ch !== CR);
+
+          continue;
+        }
+
+        var token = readToken(buffer, position);
+        var m;
+
+        if (token.startsWith("xref") && (token.length === 4 || /\s/.test(token[4]))) {
+          position += skipUntil(buffer, position, trailerBytes);
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else if (m = objRegExp.exec(token)) {
+          const num = m[1] | 0,
+                gen = m[2] | 0;
+
+          if (!this.entries[num] || this.entries[num].gen === gen) {
+            this.entries[num] = {
+              offset: position - stream.start,
+              gen,
+              uncompressed: true
+            };
+          }
+
+          let contentLength,
+              startPos = position + token.length;
+
+          while (startPos < buffer.length) {
+            const endPos = startPos + skipUntil(buffer, startPos, objBytes) + 4;
+            contentLength = endPos - position;
+            const checkPos = Math.max(endPos - CHECK_CONTENT_LENGTH, startPos);
+            const tokenStr = (0, _util.bytesToString)(buffer.subarray(checkPos, endPos));
+
+            if (endobjRegExp.test(tokenStr)) {
+              break;
+            } else {
+              const objToken = nestedObjRegExp.exec(tokenStr);
+
+              if (objToken && objToken[1]) {
+                (0, _util.warn)('indexObjects: Found new "obj" inside of another "obj", ' + 'caused by missing "endobj" -- trying to recover.');
+                contentLength -= objToken[1].length;
+                break;
+              }
+            }
+
+            startPos = endPos;
+          }
+
+          const content = buffer.subarray(position, position + contentLength);
+          var xrefTagOffset = skipUntil(content, 0, xrefBytes);
+
+          if (xrefTagOffset < contentLength && content[xrefTagOffset + 5] < 64) {
+            xrefStms.push(position - stream.start);
+            this.xrefstms[position - stream.start] = 1;
+          }
+
+          position += contentLength;
+        } else if (token.startsWith("trailer") && (token.length === 7 || /\s/.test(token[7]))) {
+          trailers.push(position);
+          position += skipUntil(buffer, position, startxrefBytes);
+        } else {
+          position += token.length + 1;
+        }
+      }
+
+      var i, ii;
+
+      for (i = 0, ii = xrefStms.length; i < ii; ++i) {
+        this.startXRefQueue.push(xrefStms[i]);
+        this.readXRef(true);
+      }
+
+      let trailerDict;
+
+      for (i = 0, ii = trailers.length; i < ii; ++i) {
+        stream.pos = trailers[i];
+        const parser = new _parser.Parser({
+          lexer: new _parser.Lexer(stream),
+          xref: this,
+          allowStreams: true,
+          recoveryMode: true
+        });
+        var obj = parser.getObj();
+
+        if (!(0, _primitives.isCmd)(obj, "trailer")) {
+          continue;
+        }
+
+        const dict = parser.getObj();
+
+        if (!(0, _primitives.isDict)(dict)) {
+          continue;
+        }
+
+        let rootDict;
+
+        try {
+          rootDict = dict.get("Root");
+        } catch (ex) {
+          if (ex instanceof _core_utils.MissingDataException) {
+            throw ex;
+          }
+
+          continue;
+        }
+
+        if (!(0, _primitives.isDict)(rootDict) || !rootDict.has("Pages")) {
+          continue;
+        }
+
+        if (dict.has("ID")) {
+          return dict;
+        }
+
+        trailerDict = dict;
+      }
+
+      if (trailerDict) {
+        return trailerDict;
+      }
+
+      throw new _util.InvalidPDFException("Invalid PDF structure.");
+    },
+    readXRef: function XRef_readXRef(recoveryMode) {
+      var stream = this.stream;
+      const startXRefParsedCache = Object.create(null);
+
+      try {
+        while (this.startXRefQueue.length) {
+          var startXRef = this.startXRefQueue[0];
+
+          if (startXRefParsedCache[startXRef]) {
+            (0, _util.warn)("readXRef - skipping XRef table since it was already parsed.");
+            this.startXRefQueue.shift();
+            continue;
+          }
+
+          startXRefParsedCache[startXRef] = true;
+          stream.pos = startXRef + stream.start;
+          const parser = new _parser.Parser({
+            lexer: new _parser.Lexer(stream),
+            xref: this,
+            allowStreams: true
+          });
+          var obj = parser.getObj();
+          var dict;
+
+          if ((0, _primitives.isCmd)(obj, "xref")) {
+            dict = this.processXRefTable(parser);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            obj = dict.get("XRefStm");
+
+            if (Number.isInteger(obj)) {
+              var pos = obj;
+
+              if (!(pos in this.xrefstms)) {
+                this.xrefstms[pos] = 1;
+                this.startXRefQueue.push(pos);
+              }
+            }
+          } else if (Number.isInteger(obj)) {
+            if (!Number.isInteger(parser.getObj()) || !(0, _primitives.isCmd)(parser.getObj(), "obj") || !(0, _primitives.isStream)(obj = parser.getObj())) {
+              throw new _util.FormatError("Invalid XRef stream");
+            }
+
+            dict = this.processXRefStream(obj);
+
+            if (!this.topDict) {
+              this.topDict = dict;
+            }
+
+            if (!dict) {
+              throw new _util.FormatError("Failed to read XRef stream");
+            }
+          } else {
+            throw new _util.FormatError("Invalid XRef stream header");
+          }
+
+          obj = dict.get("Prev");
+
+          if (Number.isInteger(obj)) {
+            this.startXRefQueue.push(obj);
+          } else if ((0, _primitives.isRef)(obj)) {
+            this.startXRefQueue.push(obj.num);
+          }
+
+          this.startXRefQueue.shift();
+        }
+
+        return this.topDict;
+      } catch (e) {
+        if (e instanceof _core_utils.MissingDataException) {
+          throw e;
+        }
+
+        (0, _util.info)("(while reading XRef): " + e);
+      }
+
+      if (recoveryMode) {
+        return undefined;
+      }
+
+      throw new _core_utils.XRefParseException();
+    },
+    getEntry: function XRef_getEntry(i) {
+      var xrefEntry = this.entries[i];
+
+      if (xrefEntry && !xrefEntry.free && xrefEntry.offset) {
+        return xrefEntry;
+      }
+
+      return null;
+    },
+    fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) {
+      if (obj instanceof _primitives.Ref) {
+        return this.fetch(obj, suppressEncryption);
+      }
+
+      return obj;
+    },
+    fetch: function XRef_fetch(ref, suppressEncryption) {
+      if (!(ref instanceof _primitives.Ref)) {
+        throw new Error("ref object is not a reference");
+      }
+
+      const num = ref.num;
+
+      const cacheEntry = this._cacheMap.get(num);
+
+      if (cacheEntry !== undefined) {
+        if (cacheEntry instanceof _primitives.Dict && !cacheEntry.objId) {
+          cacheEntry.objId = ref.toString();
+        }
+
+        return cacheEntry;
+      }
+
+      let xrefEntry = this.getEntry(num);
+
+      if (xrefEntry === null) {
+        this._cacheMap.set(num, xrefEntry);
+
+        return xrefEntry;
+      }
+
+      if (xrefEntry.uncompressed) {
+        xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption);
+      } else {
+        xrefEntry = this.fetchCompressed(ref, xrefEntry, suppressEncryption);
+      }
+
+      if ((0, _primitives.isDict)(xrefEntry)) {
+        xrefEntry.objId = ref.toString();
+      } else if ((0, _primitives.isStream)(xrefEntry)) {
+        xrefEntry.dict.objId = ref.toString();
+      }
+
+      return xrefEntry;
+    },
+
+    fetchUncompressed(ref, xrefEntry, suppressEncryption = false) {
+      var gen = ref.gen;
+      var num = ref.num;
+
+      if (xrefEntry.gen !== gen) {
+        throw new _core_utils.XRefEntryException(`Inconsistent generation in XRef: ${ref}`);
+      }
+
+      var stream = this.stream.makeSubStream(xrefEntry.offset + this.stream.start);
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      var obj1 = parser.getObj();
+      var obj2 = parser.getObj();
+      var obj3 = parser.getObj();
+
+      if (obj1 !== num || obj2 !== gen || !(obj3 instanceof _primitives.Cmd)) {
+        throw new _core_utils.XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);
+      }
+
+      if (obj3.cmd !== "obj") {
+        if (obj3.cmd.startsWith("obj")) {
+          num = parseInt(obj3.cmd.substring(3), 10);
+
+          if (!Number.isNaN(num)) {
+            return num;
+          }
+        }
+
+        throw new _core_utils.XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);
+      }
+
+      if (this.encrypt && !suppressEncryption) {
+        xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen));
+      } else {
+        xrefEntry = parser.getObj();
+      }
+
+      if (!(0, _primitives.isStream)(xrefEntry)) {
+        this._cacheMap.set(num, xrefEntry);
+      }
+
+      return xrefEntry;
+    },
+
+    fetchCompressed(ref, xrefEntry, suppressEncryption = false) {
+      const tableOffset = xrefEntry.offset;
+      const stream = this.fetch(_primitives.Ref.get(tableOffset, 0));
+
+      if (!(0, _primitives.isStream)(stream)) {
+        throw new _util.FormatError("bad ObjStm stream");
+      }
+
+      const first = stream.dict.get("First");
+      const n = stream.dict.get("N");
+
+      if (!Number.isInteger(first) || !Number.isInteger(n)) {
+        throw new _util.FormatError("invalid first and n parameters for ObjStm stream");
+      }
+
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(stream),
+        xref: this,
+        allowStreams: true
+      });
+      const nums = new Array(n);
+
+      for (let i = 0; i < n; ++i) {
+        const num = parser.getObj();
+
+        if (!Number.isInteger(num)) {
+          throw new _util.FormatError(`invalid object number in the ObjStm stream: ${num}`);
+        }
+
+        const offset = parser.getObj();
+
+        if (!Number.isInteger(offset)) {
+          throw new _util.FormatError(`invalid object offset in the ObjStm stream: ${offset}`);
+        }
+
+        nums[i] = num;
+      }
+
+      const entries = new Array(n);
+
+      for (let i = 0; i < n; ++i) {
+        const obj = parser.getObj();
+        entries[i] = obj;
+
+        if (parser.buf1 instanceof _primitives.Cmd && parser.buf1.cmd === "endobj") {
+          parser.shift();
+        }
+
+        if ((0, _primitives.isStream)(obj)) {
+          continue;
+        }
+
+        const num = nums[i],
+              entry = this.entries[num];
+
+        if (entry && entry.offset === tableOffset && entry.gen === i) {
+          this._cacheMap.set(num, obj);
+        }
+      }
+
+      xrefEntry = entries[xrefEntry.gen];
+
+      if (xrefEntry === undefined) {
+        throw new _core_utils.XRefEntryException(`Bad (compressed) XRef entry: ${ref}`);
+      }
+
+      return xrefEntry;
+    },
+
+    async fetchIfRefAsync(obj, suppressEncryption) {
+      if (obj instanceof _primitives.Ref) {
+        return this.fetchAsync(obj, suppressEncryption);
+      }
+
+      return obj;
+    },
+
+    async fetchAsync(ref, suppressEncryption) {
+      try {
+        return this.fetch(ref, suppressEncryption);
+      } catch (ex) {
+        if (!(ex instanceof _core_utils.MissingDataException)) {
+          throw ex;
+        }
+
+        await this.pdfManager.requestRange(ex.begin, ex.end);
+        return this.fetchAsync(ref, suppressEncryption);
+      }
+    },
+
+    getCatalogObj: function XRef_getCatalogObj() {
+      return this.root;
+    }
+  };
+  return XRef;
+}();
+
+exports.XRef = XRef;
+
+class NameOrNumberTree {
+  constructor(root, xref, type) {
+    if (this.constructor === NameOrNumberTree) {
+      (0, _util.unreachable)("Cannot initialize NameOrNumberTree.");
+    }
+
+    this.root = root;
+    this.xref = xref;
+    this._type = type;
+  }
+
+  getAll() {
+    const dict = Object.create(null);
+
+    if (!this.root) {
+      return dict;
+    }
+
+    const xref = this.xref;
+    const processed = new _primitives.RefSet();
+    processed.put(this.root);
+    const queue = [this.root];
+
+    while (queue.length > 0) {
+      const obj = xref.fetchIfRef(queue.shift());
+
+      if (!(0, _primitives.isDict)(obj)) {
+        continue;
+      }
+
+      if (obj.has("Kids")) {
+        const kids = obj.get("Kids");
+
+        for (let i = 0, ii = kids.length; i < ii; i++) {
+          const kid = kids[i];
+
+          if (processed.has(kid)) {
+            throw new _util.FormatError(`Duplicate entry in "${this._type}" tree.`);
+          }
+
+          queue.push(kid);
+          processed.put(kid);
+        }
+
+        continue;
+      }
+
+      const entries = obj.get(this._type);
+
+      if (Array.isArray(entries)) {
+        for (let i = 0, ii = entries.length; i < ii; i += 2) {
+          dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]);
+        }
+      }
+    }
+
+    return dict;
+  }
+
+  get(key) {
+    if (!this.root) {
+      return null;
+    }
+
+    const xref = this.xref;
+    let kidsOrEntries = xref.fetchIfRef(this.root);
+    let loopCount = 0;
+    const MAX_LEVELS = 10;
+
+    while (kidsOrEntries.has("Kids")) {
+      if (++loopCount > MAX_LEVELS) {
+        (0, _util.warn)(`Search depth limit reached for "${this._type}" tree.`);
+        return null;
+      }
+
+      const kids = kidsOrEntries.get("Kids");
+
+      if (!Array.isArray(kids)) {
+        return null;
+      }
+
+      let l = 0,
+          r = kids.length - 1;
+
+      while (l <= r) {
+        const m = l + r >> 1;
+        const kid = xref.fetchIfRef(kids[m]);
+        const limits = kid.get("Limits");
+
+        if (key < xref.fetchIfRef(limits[0])) {
+          r = m - 1;
+        } else if (key > xref.fetchIfRef(limits[1])) {
+          l = m + 1;
+        } else {
+          kidsOrEntries = xref.fetchIfRef(kids[m]);
+          break;
+        }
+      }
+
+      if (l > r) {
+        return null;
+      }
+    }
+
+    const entries = kidsOrEntries.get(this._type);
+
+    if (Array.isArray(entries)) {
+      let l = 0,
+          r = entries.length - 2;
+
+      while (l <= r) {
+        const tmp = l + r >> 1,
+              m = tmp + (tmp & 1);
+        const currentKey = xref.fetchIfRef(entries[m]);
+
+        if (key < currentKey) {
+          r = m - 2;
+        } else if (key > currentKey) {
+          l = m + 2;
+        } else {
+          return xref.fetchIfRef(entries[m + 1]);
+        }
+      }
+
+      (0, _util.info)(`Falling back to an exhaustive search, for key "${key}", ` + `in "${this._type}" tree.`);
+
+      for (let m = 0, mm = entries.length; m < mm; m += 2) {
+        const currentKey = xref.fetchIfRef(entries[m]);
+
+        if (currentKey === key) {
+          (0, _util.warn)(`The "${key}" key was found at an incorrect, ` + `i.e. out-of-order, position in "${this._type}" tree.`);
+          return xref.fetchIfRef(entries[m + 1]);
+        }
+      }
+    }
+
+    return null;
+  }
+
+}
+
+class NameTree extends NameOrNumberTree {
+  constructor(root, xref) {
+    super(root, xref, "Names");
+  }
+
+}
+
+class NumberTree extends NameOrNumberTree {
+  constructor(root, xref) {
+    super(root, xref, "Nums");
+  }
+
+}
+
+var FileSpec = function FileSpecClosure() {
+  function FileSpec(root, xref) {
+    if (!root || !(0, _primitives.isDict)(root)) {
+      return;
+    }
+
+    this.xref = xref;
+    this.root = root;
+
+    if (root.has("FS")) {
+      this.fs = root.get("FS");
+    }
+
+    this.description = root.has("Desc") ? (0, _util.stringToPDFString)(root.get("Desc")) : "";
+
+    if (root.has("RF")) {
+      (0, _util.warn)("Related file specifications are not supported");
+    }
+
+    this.contentAvailable = true;
+
+    if (!root.has("EF")) {
+      this.contentAvailable = false;
+      (0, _util.warn)("Non-embedded file specifications are not supported");
+    }
+  }
+
+  function pickPlatformItem(dict) {
+    if (dict.has("UF")) {
+      return dict.get("UF");
+    } else if (dict.has("F")) {
+      return dict.get("F");
+    } else if (dict.has("Unix")) {
+      return dict.get("Unix");
+    } else if (dict.has("Mac")) {
+      return dict.get("Mac");
+    } else if (dict.has("DOS")) {
+      return dict.get("DOS");
+    }
+
+    return null;
+  }
+
+  FileSpec.prototype = {
+    get filename() {
+      if (!this._filename && this.root) {
+        var filename = pickPlatformItem(this.root) || "unnamed";
+        this._filename = (0, _util.stringToPDFString)(filename).replace(/\\\\/g, "\\").replace(/\\\//g, "/").replace(/\\/g, "/");
+      }
+
+      return this._filename;
+    },
+
+    get content() {
+      if (!this.contentAvailable) {
+        return null;
+      }
+
+      if (!this.contentRef && this.root) {
+        this.contentRef = pickPlatformItem(this.root.get("EF"));
+      }
+
+      var content = null;
+
+      if (this.contentRef) {
+        var xref = this.xref;
+        var fileObj = xref.fetchIfRef(this.contentRef);
+
+        if (fileObj && (0, _primitives.isStream)(fileObj)) {
+          content = fileObj.getBytes();
+        } else {
+          (0, _util.warn)("Embedded file specification points to non-existing/invalid " + "content");
+        }
+      } else {
+        (0, _util.warn)("Embedded file specification does not have a content");
+      }
+
+      return content;
+    },
+
+    get serializable() {
+      return {
+        filename: this.filename,
+        content: this.content
+      };
+    }
+
+  };
+  return FileSpec;
+}();
+
+exports.FileSpec = FileSpec;
+
+const ObjectLoader = function () {
+  function mayHaveChildren(value) {
+    return value instanceof _primitives.Ref || value instanceof _primitives.Dict || Array.isArray(value) || (0, _primitives.isStream)(value);
+  }
+
+  function addChildren(node, nodesToVisit) {
+    if (node instanceof _primitives.Dict) {
+      node = node.getRawValues();
+    } else if ((0, _primitives.isStream)(node)) {
+      node = node.dict.getRawValues();
+    } else if (!Array.isArray(node)) {
+      return;
+    }
+
+    for (const rawValue of node) {
+      if (mayHaveChildren(rawValue)) {
+        nodesToVisit.push(rawValue);
+      }
+    }
+  }
+
+  function ObjectLoader(dict, keys, xref) {
+    this.dict = dict;
+    this.keys = keys;
+    this.xref = xref;
+    this.refSet = null;
+  }
+
+  ObjectLoader.prototype = {
+    async load() {
+      if (!this.xref.stream.allChunksLoaded || this.xref.stream.allChunksLoaded()) {
+        return undefined;
+      }
+
+      const {
+        keys,
+        dict
+      } = this;
+      this.refSet = new _primitives.RefSet();
+      const nodesToVisit = [];
+
+      for (let i = 0, ii = keys.length; i < ii; i++) {
+        const rawValue = dict.getRaw(keys[i]);
+
+        if (rawValue !== undefined) {
+          nodesToVisit.push(rawValue);
+        }
+      }
+
+      return this._walk(nodesToVisit);
+    },
+
+    async _walk(nodesToVisit) {
+      const nodesToRevisit = [];
+      const pendingRequests = [];
+
+      while (nodesToVisit.length) {
+        let currentNode = nodesToVisit.pop();
+
+        if (currentNode instanceof _primitives.Ref) {
+          if (this.refSet.has(currentNode)) {
+            continue;
+          }
+
+          try {
+            this.refSet.put(currentNode);
+            currentNode = this.xref.fetch(currentNode);
+          } catch (ex) {
+            if (!(ex instanceof _core_utils.MissingDataException)) {
+              throw ex;
+            }
+
+            nodesToRevisit.push(currentNode);
+            pendingRequests.push({
+              begin: ex.begin,
+              end: ex.end
+            });
+          }
+        }
+
+        if (currentNode && currentNode.getBaseStreams) {
+          const baseStreams = currentNode.getBaseStreams();
+          let foundMissingData = false;
+
+          for (let i = 0, ii = baseStreams.length; i < ii; i++) {
+            const stream = baseStreams[i];
+
+            if (stream.allChunksLoaded && !stream.allChunksLoaded()) {
+              foundMissingData = true;
+              pendingRequests.push({
+                begin: stream.start,
+                end: stream.end
+              });
+            }
+          }
+
+          if (foundMissingData) {
+            nodesToRevisit.push(currentNode);
+          }
+        }
+
+        addChildren(currentNode, nodesToVisit);
+      }
+
+      if (pendingRequests.length) {
+        await this.xref.stream.manager.requestRanges(pendingRequests);
+
+        for (let i = 0, ii = nodesToRevisit.length; i < ii; i++) {
+          const node = nodesToRevisit[i];
+
+          if (node instanceof _primitives.Ref) {
+            this.refSet.remove(node);
+          }
+        }
+
+        return this._walk(nodesToRevisit);
+      }
+
+      this.refSet = null;
+      return undefined;
+    }
+
+  };
+  return ObjectLoader;
+}();
+
+exports.ObjectLoader = ObjectLoader;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/operator_list.js b/node_modules/pdfjs-dist/lib/core/operator_list.js
new file mode 100644
index 00000000..9cdb3424
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/operator_list.js
@@ -0,0 +1,679 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OperatorList = void 0;
+
+var _util = require("../shared/util.js");
+
+var QueueOptimizer = function QueueOptimizerClosure() {
+  function addState(parentState, pattern, checkFn, iterateFn, processFn) {
+    var state = parentState;
+
+    for (var i = 0, ii = pattern.length - 1; i < ii; i++) {
+      var item = pattern[i];
+      state = state[item] || (state[item] = []);
+    }
+
+    state[pattern[pattern.length - 1]] = {
+      checkFn,
+      iterateFn,
+      processFn
+    };
+  }
+
+  function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray) {
+    var iFirstPIMXO = iFirstSave + 2;
+
+    for (var i = 0; i < count; i++) {
+      var arg = argsArray[iFirstPIMXO + 4 * i];
+      var imageMask = arg.length === 1 && arg[0];
+
+      if (imageMask && imageMask.width === 1 && imageMask.height === 1 && (!imageMask.data.length || imageMask.data.length === 1 && imageMask.data[0] === 0)) {
+        fnArray[iFirstPIMXO + 4 * i] = _util.OPS.paintSolidColorImageMask;
+        continue;
+      }
+
+      break;
+    }
+
+    return count - i;
+  }
+
+  var InitialState = [];
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintInlineImageXObject, _util.OPS.restore], null, function iterateInlineImageGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintInlineImageXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateInlineImageGroup - invalid pos: ${pos}`);
+  }, function foundInlineImageGroup(context, i) {
+    var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10;
+    var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200;
+    var MAX_WIDTH = 1000;
+    var IMAGE_PADDING = 1;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIIXO = curr - 1;
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_INLINE_IMAGES_BLOCK);
+
+    if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var maxX = 0;
+    var map = [],
+        maxLineHeight = 0;
+    var currentX = IMAGE_PADDING,
+        currentY = IMAGE_PADDING;
+    var q;
+
+    for (q = 0; q < count; q++) {
+      var transform = argsArray[iFirstTransform + (q << 2)];
+      var img = argsArray[iFirstPIIXO + (q << 2)][0];
+
+      if (currentX + img.width > MAX_WIDTH) {
+        maxX = Math.max(maxX, currentX);
+        currentY += maxLineHeight + 2 * IMAGE_PADDING;
+        currentX = 0;
+        maxLineHeight = 0;
+      }
+
+      map.push({
+        transform,
+        x: currentX,
+        y: currentY,
+        w: img.width,
+        h: img.height
+      });
+      currentX += img.width + 2 * IMAGE_PADDING;
+      maxLineHeight = Math.max(maxLineHeight, img.height);
+    }
+
+    var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING;
+    var imgHeight = currentY + maxLineHeight + IMAGE_PADDING;
+    var imgData = new Uint8ClampedArray(imgWidth * imgHeight * 4);
+    var imgRowSize = imgWidth << 2;
+
+    for (q = 0; q < count; q++) {
+      var data = argsArray[iFirstPIIXO + (q << 2)][0].data;
+      var rowSize = map[q].w << 2;
+      var dataOffset = 0;
+      var offset = map[q].x + map[q].y * imgWidth << 2;
+      imgData.set(data.subarray(0, rowSize), offset - imgRowSize);
+
+      for (var k = 0, kk = map[q].h; k < kk; k++) {
+        imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset);
+        dataOffset += rowSize;
+        offset += imgRowSize;
+      }
+
+      imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset);
+
+      while (offset >= 0) {
+        data[offset - 4] = data[offset];
+        data[offset - 3] = data[offset + 1];
+        data[offset - 2] = data[offset + 2];
+        data[offset - 1] = data[offset + 3];
+        data[offset + rowSize] = data[offset + rowSize - 4];
+        data[offset + rowSize + 1] = data[offset + rowSize - 3];
+        data[offset + rowSize + 2] = data[offset + rowSize - 2];
+        data[offset + rowSize + 3] = data[offset + rowSize - 1];
+        offset -= imgRowSize;
+      }
+    }
+
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintInlineImageXObjectGroup);
+    argsArray.splice(iFirstSave, count * 4, [{
+      width: imgWidth,
+      height: imgHeight,
+      kind: _util.ImageKind.RGBA_32BPP,
+      data: imgData
+    }, map]);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageMaskXObject, _util.OPS.restore], null, function iterateImageMaskGroup(context, i) {
+    var fnArray = context.fnArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        return fnArray[i] === _util.OPS.transform;
+
+      case 2:
+        return fnArray[i] === _util.OPS.paintImageMaskXObject;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateImageMaskGroup - invalid pos: ${pos}`);
+  }, function foundImageMaskGroup(context, i) {
+    var MIN_IMAGES_IN_MASKS_BLOCK = 10;
+    var MAX_IMAGES_IN_MASKS_BLOCK = 100;
+    var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIMXO = curr - 1;
+    var count = Math.floor((i - iFirstSave) / 4);
+    count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray);
+
+    if (count < MIN_IMAGES_IN_MASKS_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var q;
+    var isSameImage = false;
+    var iTransform, transformArgs;
+    var firstPIMXOArg0 = argsArray[iFirstPIMXO][0];
+    const firstTransformArg0 = argsArray[iFirstTransform][0],
+          firstTransformArg1 = argsArray[iFirstTransform][1],
+          firstTransformArg2 = argsArray[iFirstTransform][2],
+          firstTransformArg3 = argsArray[iFirstTransform][3];
+
+    if (firstTransformArg1 === firstTransformArg2) {
+      isSameImage = true;
+      iTransform = iFirstTransform + 4;
+      var iPIMXO = iFirstPIMXO + 4;
+
+      for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) {
+        transformArgs = argsArray[iTransform];
+
+        if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || transformArgs[0] !== firstTransformArg0 || transformArgs[1] !== firstTransformArg1 || transformArgs[2] !== firstTransformArg2 || transformArgs[3] !== firstTransformArg3) {
+          if (q < MIN_IMAGES_IN_MASKS_BLOCK) {
+            isSameImage = false;
+          } else {
+            count = q;
+          }
+
+          break;
+        }
+      }
+    }
+
+    if (isSameImage) {
+      count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK);
+      var positions = new Float32Array(count * 2);
+      iTransform = iFirstTransform;
+
+      for (q = 0; q < count; q++, iTransform += 4) {
+        transformArgs = argsArray[iTransform];
+        positions[q << 1] = transformArgs[4];
+        positions[(q << 1) + 1] = transformArgs[5];
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectRepeat);
+      argsArray.splice(iFirstSave, count * 4, [firstPIMXOArg0, firstTransformArg0, firstTransformArg1, firstTransformArg2, firstTransformArg3, positions]);
+    } else {
+      count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK);
+      var images = [];
+
+      for (q = 0; q < count; q++) {
+        transformArgs = argsArray[iFirstTransform + (q << 2)];
+        var maskParams = argsArray[iFirstPIMXO + (q << 2)][0];
+        images.push({
+          data: maskParams.data,
+          width: maskParams.width,
+          height: maskParams.height,
+          transform: transformArgs
+        });
+      }
+
+      fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageMaskXObjectGroup);
+      argsArray.splice(iFirstSave, count * 4, [images]);
+    }
+
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.save, _util.OPS.transform, _util.OPS.paintImageXObject, _util.OPS.restore], function (context) {
+    var argsArray = context.argsArray;
+    var iFirstTransform = context.iCurr - 2;
+    return argsArray[iFirstTransform][1] === 0 && argsArray[iFirstTransform][2] === 0;
+  }, function iterateImageGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 3;
+    var pos = (i - iFirstSave) % 4;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.save;
+
+      case 1:
+        if (fnArray[i] !== _util.OPS.transform) {
+          return false;
+        }
+
+        var iFirstTransform = context.iCurr - 2;
+        var firstTransformArg0 = argsArray[iFirstTransform][0];
+        var firstTransformArg3 = argsArray[iFirstTransform][3];
+
+        if (argsArray[i][0] !== firstTransformArg0 || argsArray[i][1] !== 0 || argsArray[i][2] !== 0 || argsArray[i][3] !== firstTransformArg3) {
+          return false;
+        }
+
+        return true;
+
+      case 2:
+        if (fnArray[i] !== _util.OPS.paintImageXObject) {
+          return false;
+        }
+
+        var iFirstPIXO = context.iCurr - 1;
+        var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+
+        if (argsArray[i][0] !== firstPIXOArg0) {
+          return false;
+        }
+
+        return true;
+
+      case 3:
+        return fnArray[i] === _util.OPS.restore;
+    }
+
+    throw new Error(`iterateImageGroup - invalid pos: ${pos}`);
+  }, function (context, i) {
+    var MIN_IMAGES_IN_BLOCK = 3;
+    var MAX_IMAGES_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstSave = curr - 3;
+    var iFirstTransform = curr - 2;
+    var iFirstPIXO = curr - 1;
+    var firstPIXOArg0 = argsArray[iFirstPIXO][0];
+    var firstTransformArg0 = argsArray[iFirstTransform][0];
+    var firstTransformArg3 = argsArray[iFirstTransform][3];
+    var count = Math.min(Math.floor((i - iFirstSave) / 4), MAX_IMAGES_IN_BLOCK);
+
+    if (count < MIN_IMAGES_IN_BLOCK) {
+      return i - (i - iFirstSave) % 4;
+    }
+
+    var positions = new Float32Array(count * 2);
+    var iTransform = iFirstTransform;
+
+    for (var q = 0; q < count; q++, iTransform += 4) {
+      var transformArgs = argsArray[iTransform];
+      positions[q << 1] = transformArgs[4];
+      positions[(q << 1) + 1] = transformArgs[5];
+    }
+
+    var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, positions];
+    fnArray.splice(iFirstSave, count * 4, _util.OPS.paintImageXObjectRepeat);
+    argsArray.splice(iFirstSave, count * 4, args);
+    return iFirstSave + 1;
+  });
+  addState(InitialState, [_util.OPS.beginText, _util.OPS.setFont, _util.OPS.setTextMatrix, _util.OPS.showText, _util.OPS.endText], null, function iterateShowTextGroup(context, i) {
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var iFirstSave = context.iCurr - 4;
+    var pos = (i - iFirstSave) % 5;
+
+    switch (pos) {
+      case 0:
+        return fnArray[i] === _util.OPS.beginText;
+
+      case 1:
+        return fnArray[i] === _util.OPS.setFont;
+
+      case 2:
+        return fnArray[i] === _util.OPS.setTextMatrix;
+
+      case 3:
+        if (fnArray[i] !== _util.OPS.showText) {
+          return false;
+        }
+
+        var iFirstSetFont = context.iCurr - 3;
+        var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+        var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+
+        if (argsArray[i][0] !== firstSetFontArg0 || argsArray[i][1] !== firstSetFontArg1) {
+          return false;
+        }
+
+        return true;
+
+      case 4:
+        return fnArray[i] === _util.OPS.endText;
+    }
+
+    throw new Error(`iterateShowTextGroup - invalid pos: ${pos}`);
+  }, function (context, i) {
+    var MIN_CHARS_IN_BLOCK = 3;
+    var MAX_CHARS_IN_BLOCK = 1000;
+    var fnArray = context.fnArray,
+        argsArray = context.argsArray;
+    var curr = context.iCurr;
+    var iFirstBeginText = curr - 4;
+    var iFirstSetFont = curr - 3;
+    var iFirstSetTextMatrix = curr - 2;
+    var iFirstShowText = curr - 1;
+    var iFirstEndText = curr;
+    var firstSetFontArg0 = argsArray[iFirstSetFont][0];
+    var firstSetFontArg1 = argsArray[iFirstSetFont][1];
+    var count = Math.min(Math.floor((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK);
+
+    if (count < MIN_CHARS_IN_BLOCK) {
+      return i - (i - iFirstBeginText) % 5;
+    }
+
+    var iFirst = iFirstBeginText;
+
+    if (iFirstBeginText >= 4 && fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) {
+      count++;
+      iFirst -= 5;
+    }
+
+    var iEndText = iFirst + 4;
+
+    for (var q = 1; q < count; q++) {
+      fnArray.splice(iEndText, 3);
+      argsArray.splice(iEndText, 3);
+      iEndText += 2;
+    }
+
+    return iEndText + 1;
+  });
+
+  function QueueOptimizer(queue) {
+    this.queue = queue;
+    this.state = null;
+    this.context = {
+      iCurr: 0,
+      fnArray: queue.fnArray,
+      argsArray: queue.argsArray
+    };
+    this.match = null;
+    this.lastProcessed = 0;
+  }
+
+  QueueOptimizer.prototype = {
+    _optimize() {
+      const fnArray = this.queue.fnArray;
+      let i = this.lastProcessed,
+          ii = fnArray.length;
+      let state = this.state;
+      let match = this.match;
+
+      if (!state && !match && i + 1 === ii && !InitialState[fnArray[i]]) {
+        this.lastProcessed = ii;
+        return;
+      }
+
+      const context = this.context;
+
+      while (i < ii) {
+        if (match) {
+          const iterate = (0, match.iterateFn)(context, i);
+
+          if (iterate) {
+            i++;
+            continue;
+          }
+
+          i = (0, match.processFn)(context, i + 1);
+          ii = fnArray.length;
+          match = null;
+          state = null;
+
+          if (i >= ii) {
+            break;
+          }
+        }
+
+        state = (state || InitialState)[fnArray[i]];
+
+        if (!state || Array.isArray(state)) {
+          i++;
+          continue;
+        }
+
+        context.iCurr = i;
+        i++;
+
+        if (state.checkFn && !(0, state.checkFn)(context)) {
+          state = null;
+          continue;
+        }
+
+        match = state;
+        state = null;
+      }
+
+      this.state = state;
+      this.match = match;
+      this.lastProcessed = i;
+    },
+
+    push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+
+      this._optimize();
+    },
+
+    flush() {
+      while (this.match) {
+        const length = this.queue.fnArray.length;
+        this.lastProcessed = (0, this.match.processFn)(this.context, length);
+        this.match = null;
+        this.state = null;
+
+        this._optimize();
+      }
+    },
+
+    reset() {
+      this.state = null;
+      this.match = null;
+      this.lastProcessed = 0;
+    }
+
+  };
+  return QueueOptimizer;
+}();
+
+var NullOptimizer = function NullOptimizerClosure() {
+  function NullOptimizer(queue) {
+    this.queue = queue;
+  }
+
+  NullOptimizer.prototype = {
+    push(fn, args) {
+      this.queue.fnArray.push(fn);
+      this.queue.argsArray.push(args);
+    },
+
+    flush() {},
+
+    reset() {}
+
+  };
+  return NullOptimizer;
+}();
+
+var OperatorList = function OperatorListClosure() {
+  var CHUNK_SIZE = 1000;
+  var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5;
+
+  function OperatorList(intent, streamSink) {
+    this._streamSink = streamSink;
+    this.fnArray = [];
+    this.argsArray = [];
+
+    if (streamSink && intent !== "oplist") {
+      this.optimizer = new QueueOptimizer(this);
+    } else {
+      this.optimizer = new NullOptimizer(this);
+    }
+
+    this.dependencies = new Set();
+    this._totalLength = 0;
+    this.weight = 0;
+    this._resolved = streamSink ? null : Promise.resolve();
+  }
+
+  OperatorList.prototype = {
+    get length() {
+      return this.argsArray.length;
+    },
+
+    get ready() {
+      return this._resolved || this._streamSink.ready;
+    },
+
+    get totalLength() {
+      return this._totalLength + this.length;
+    },
+
+    addOp(fn, args) {
+      this.optimizer.push(fn, args);
+      this.weight++;
+
+      if (this._streamSink) {
+        if (this.weight >= CHUNK_SIZE) {
+          this.flush();
+        } else if (this.weight >= CHUNK_SIZE_ABOUT && (fn === _util.OPS.restore || fn === _util.OPS.endText)) {
+          this.flush();
+        }
+      }
+    },
+
+    addDependency(dependency) {
+      if (this.dependencies.has(dependency)) {
+        return;
+      }
+
+      this.dependencies.add(dependency);
+      this.addOp(_util.OPS.dependency, [dependency]);
+    },
+
+    addDependencies(dependencies) {
+      for (const dependency of dependencies) {
+        this.addDependency(dependency);
+      }
+    },
+
+    addOpList(opList) {
+      if (!(opList instanceof OperatorList)) {
+        (0, _util.warn)('addOpList - ignoring invalid "opList" parameter.');
+        return;
+      }
+
+      for (const dependency of opList.dependencies) {
+        this.dependencies.add(dependency);
+      }
+
+      for (var i = 0, ii = opList.length; i < ii; i++) {
+        this.addOp(opList.fnArray[i], opList.argsArray[i]);
+      }
+    },
+
+    getIR() {
+      return {
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        length: this.length
+      };
+    },
+
+    get _transfers() {
+      const transfers = [];
+      const {
+        fnArray,
+        argsArray,
+        length
+      } = this;
+
+      for (let i = 0; i < length; i++) {
+        switch (fnArray[i]) {
+          case _util.OPS.paintInlineImageXObject:
+          case _util.OPS.paintInlineImageXObjectGroup:
+          case _util.OPS.paintImageMaskXObject:
+            const arg = argsArray[i][0];
+            ;
+
+            if (!arg.cached) {
+              transfers.push(arg.data.buffer);
+            }
+
+            break;
+        }
+      }
+
+      return transfers;
+    },
+
+    flush(lastChunk = false) {
+      this.optimizer.flush();
+      const length = this.length;
+      this._totalLength += length;
+
+      this._streamSink.enqueue({
+        fnArray: this.fnArray,
+        argsArray: this.argsArray,
+        lastChunk,
+        length
+      }, 1, this._transfers);
+
+      this.dependencies.clear();
+      this.fnArray.length = 0;
+      this.argsArray.length = 0;
+      this.weight = 0;
+      this.optimizer.reset();
+    }
+
+  };
+  return OperatorList;
+}();
+
+exports.OperatorList = OperatorList;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/parser.js b/node_modules/pdfjs-dist/lib/core/parser.js
new file mode 100644
index 00000000..7ceb13fa
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/parser.js
@@ -0,0 +1,1359 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Parser = exports.Linearization = exports.Lexer = void 0;
+
+var _stream = require("./stream.js");
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _ccitt_stream = require("./ccitt_stream.js");
+
+var _jbig2_stream = require("./jbig2_stream.js");
+
+var _jpeg_stream = require("./jpeg_stream.js");
+
+var _jpx_stream = require("./jpx_stream.js");
+
+const MAX_LENGTH_TO_CACHE = 1000;
+const MAX_ADLER32_LENGTH = 5552;
+
+function computeAdler32(bytes) {
+  const bytesLength = bytes.length;
+  let a = 1,
+      b = 0;
+
+  for (let i = 0; i < bytesLength; ++i) {
+    a += bytes[i] & 0xff;
+    b += a;
+  }
+
+  return b % 65521 << 16 | a % 65521;
+}
+
+class Parser {
+  constructor({
+    lexer,
+    xref,
+    allowStreams = false,
+    recoveryMode = false
+  }) {
+    this.lexer = lexer;
+    this.xref = xref;
+    this.allowStreams = allowStreams;
+    this.recoveryMode = recoveryMode;
+    this.imageCache = Object.create(null);
+    this.refill();
+  }
+
+  refill() {
+    this.buf1 = this.lexer.getObj();
+    this.buf2 = this.lexer.getObj();
+  }
+
+  shift() {
+    if (this.buf2 instanceof _primitives.Cmd && this.buf2.cmd === "ID") {
+      this.buf1 = this.buf2;
+      this.buf2 = null;
+    } else {
+      this.buf1 = this.buf2;
+      this.buf2 = this.lexer.getObj();
+    }
+  }
+
+  tryShift() {
+    try {
+      this.shift();
+      return true;
+    } catch (e) {
+      if (e instanceof _core_utils.MissingDataException) {
+        throw e;
+      }
+
+      return false;
+    }
+  }
+
+  getObj(cipherTransform = null) {
+    const buf1 = this.buf1;
+    this.shift();
+
+    if (buf1 instanceof _primitives.Cmd) {
+      switch (buf1.cmd) {
+        case "BI":
+          return this.makeInlineImage(cipherTransform);
+
+        case "[":
+          const array = [];
+
+          while (!(0, _primitives.isCmd)(this.buf1, "]") && !(0, _primitives.isEOF)(this.buf1)) {
+            array.push(this.getObj(cipherTransform));
+          }
+
+          if ((0, _primitives.isEOF)(this.buf1)) {
+            if (!this.recoveryMode) {
+              throw new _util.FormatError("End of file inside array");
+            }
+
+            return array;
+          }
+
+          this.shift();
+          return array;
+
+        case "<<":
+          const dict = new _primitives.Dict(this.xref);
+
+          while (!(0, _primitives.isCmd)(this.buf1, ">>") && !(0, _primitives.isEOF)(this.buf1)) {
+            if (!(0, _primitives.isName)(this.buf1)) {
+              (0, _util.info)("Malformed dictionary: key must be a name object");
+              this.shift();
+              continue;
+            }
+
+            const key = this.buf1.name;
+            this.shift();
+
+            if ((0, _primitives.isEOF)(this.buf1)) {
+              break;
+            }
+
+            dict.set(key, this.getObj(cipherTransform));
+          }
+
+          if ((0, _primitives.isEOF)(this.buf1)) {
+            if (!this.recoveryMode) {
+              throw new _util.FormatError("End of file inside dictionary");
+            }
+
+            return dict;
+          }
+
+          if ((0, _primitives.isCmd)(this.buf2, "stream")) {
+            return this.allowStreams ? this.makeStream(dict, cipherTransform) : dict;
+          }
+
+          this.shift();
+          return dict;
+
+        default:
+          return buf1;
+      }
+    }
+
+    if (Number.isInteger(buf1)) {
+      if (Number.isInteger(this.buf1) && (0, _primitives.isCmd)(this.buf2, "R")) {
+        const ref = _primitives.Ref.get(buf1, this.buf1);
+
+        this.shift();
+        this.shift();
+        return ref;
+      }
+
+      return buf1;
+    }
+
+    if (typeof buf1 === "string") {
+      if (cipherTransform) {
+        return cipherTransform.decryptString(buf1);
+      }
+
+      return buf1;
+    }
+
+    return buf1;
+  }
+
+  findDefaultInlineStreamEnd(stream) {
+    const E = 0x45,
+          I = 0x49,
+          SPACE = 0x20,
+          LF = 0xa,
+          CR = 0xd,
+          NUL = 0x0;
+    const lexer = this.lexer,
+          startPos = stream.pos,
+          n = 10;
+    let state = 0,
+        ch,
+        maybeEIPos;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (state === 0) {
+        state = ch === E ? 1 : 0;
+      } else if (state === 1) {
+        state = ch === I ? 2 : 0;
+      } else {
+        (0, _util.assert)(state === 2, "findDefaultInlineStreamEnd - invalid state.");
+
+        if (ch === SPACE || ch === LF || ch === CR) {
+          maybeEIPos = stream.pos;
+          const followingBytes = stream.peekBytes(n);
+
+          for (let i = 0, ii = followingBytes.length; i < ii; i++) {
+            ch = followingBytes[i];
+
+            if (ch === NUL && followingBytes[i + 1] !== NUL) {
+              continue;
+            }
+
+            if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7f)) {
+              state = 0;
+              break;
+            }
+          }
+
+          if (state !== 2) {
+            continue;
+          }
+
+          if (lexer.knownCommands) {
+            const nextObj = lexer.peekObj();
+
+            if (nextObj instanceof _primitives.Cmd && !lexer.knownCommands[nextObj.cmd]) {
+              state = 0;
+            }
+          } else {
+            (0, _util.warn)("findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined.");
+          }
+
+          if (state === 2) {
+            break;
+          }
+        } else {
+          state = 0;
+        }
+      }
+    }
+
+    if (ch === -1) {
+      (0, _util.warn)("findDefaultInlineStreamEnd: " + "Reached the end of the stream without finding a valid EI marker");
+
+      if (maybeEIPos) {
+        (0, _util.warn)('... trying to recover by using the last "EI" occurrence.');
+        stream.skip(-(stream.pos - maybeEIPos));
+      }
+    }
+
+    let endOffset = 4;
+    stream.skip(-endOffset);
+    ch = stream.peekByte();
+    stream.skip(endOffset);
+
+    if (!(0, _core_utils.isWhiteSpace)(ch)) {
+      endOffset--;
+    }
+
+    return stream.pos - endOffset - startPos;
+  }
+
+  findDCTDecodeInlineStreamEnd(stream) {
+    const startPos = stream.pos;
+    let foundEOI = false,
+        b,
+        markerLength;
+
+    while ((b = stream.getByte()) !== -1) {
+      if (b !== 0xff) {
+        continue;
+      }
+
+      switch (stream.getByte()) {
+        case 0x00:
+          break;
+
+        case 0xff:
+          stream.skip(-1);
+          break;
+
+        case 0xd9:
+          foundEOI = true;
+          break;
+
+        case 0xc0:
+        case 0xc1:
+        case 0xc2:
+        case 0xc3:
+        case 0xc5:
+        case 0xc6:
+        case 0xc7:
+        case 0xc9:
+        case 0xca:
+        case 0xcb:
+        case 0xcd:
+        case 0xce:
+        case 0xcf:
+        case 0xc4:
+        case 0xcc:
+        case 0xda:
+        case 0xdb:
+        case 0xdc:
+        case 0xdd:
+        case 0xde:
+        case 0xdf:
+        case 0xe0:
+        case 0xe1:
+        case 0xe2:
+        case 0xe3:
+        case 0xe4:
+        case 0xe5:
+        case 0xe6:
+        case 0xe7:
+        case 0xe8:
+        case 0xe9:
+        case 0xea:
+        case 0xeb:
+        case 0xec:
+        case 0xed:
+        case 0xee:
+        case 0xef:
+        case 0xfe:
+          markerLength = stream.getUint16();
+
+          if (markerLength > 2) {
+            stream.skip(markerLength - 2);
+          } else {
+            stream.skip(-2);
+          }
+
+          break;
+      }
+
+      if (foundEOI) {
+        break;
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (b === -1) {
+      (0, _util.warn)("Inline DCTDecode image stream: " + "EOI marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  findASCII85DecodeInlineStreamEnd(stream) {
+    const TILDE = 0x7e,
+          GT = 0x3e;
+    const startPos = stream.pos;
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === TILDE) {
+        const tildePos = stream.pos;
+        ch = stream.peekByte();
+
+        while ((0, _core_utils.isWhiteSpace)(ch)) {
+          stream.skip();
+          ch = stream.peekByte();
+        }
+
+        if (ch === GT) {
+          stream.skip();
+          break;
+        }
+
+        if (stream.pos > tildePos) {
+          const maybeEI = stream.peekBytes(2);
+
+          if (maybeEI[0] === 0x45 && maybeEI[1] === 0x49) {
+            break;
+          }
+        }
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (ch === -1) {
+      (0, _util.warn)("Inline ASCII85Decode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  findASCIIHexDecodeInlineStreamEnd(stream) {
+    const GT = 0x3e;
+    const startPos = stream.pos;
+    let ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (ch === GT) {
+        break;
+      }
+    }
+
+    const length = stream.pos - startPos;
+
+    if (ch === -1) {
+      (0, _util.warn)("Inline ASCIIHexDecode image stream: " + "EOD marker not found, searching for /EI/ instead.");
+      stream.skip(-length);
+      return this.findDefaultInlineStreamEnd(stream);
+    }
+
+    this.inlineStreamSkipEI(stream);
+    return length;
+  }
+
+  inlineStreamSkipEI(stream) {
+    const E = 0x45,
+          I = 0x49;
+    let state = 0,
+        ch;
+
+    while ((ch = stream.getByte()) !== -1) {
+      if (state === 0) {
+        state = ch === E ? 1 : 0;
+      } else if (state === 1) {
+        state = ch === I ? 2 : 0;
+      } else if (state === 2) {
+        break;
+      }
+    }
+  }
+
+  makeInlineImage(cipherTransform) {
+    const lexer = this.lexer;
+    const stream = lexer.stream;
+    const dict = new _primitives.Dict(this.xref);
+    let dictLength;
+
+    while (!(0, _primitives.isCmd)(this.buf1, "ID") && !(0, _primitives.isEOF)(this.buf1)) {
+      if (!(0, _primitives.isName)(this.buf1)) {
+        throw new _util.FormatError("Dictionary key must be a name object");
+      }
+
+      const key = this.buf1.name;
+      this.shift();
+
+      if ((0, _primitives.isEOF)(this.buf1)) {
+        break;
+      }
+
+      dict.set(key, this.getObj(cipherTransform));
+    }
+
+    if (lexer.beginInlineImagePos !== -1) {
+      dictLength = stream.pos - lexer.beginInlineImagePos;
+    }
+
+    const filter = dict.get("Filter", "F");
+    let filterName;
+
+    if ((0, _primitives.isName)(filter)) {
+      filterName = filter.name;
+    } else if (Array.isArray(filter)) {
+      const filterZero = this.xref.fetchIfRef(filter[0]);
+
+      if ((0, _primitives.isName)(filterZero)) {
+        filterName = filterZero.name;
+      }
+    }
+
+    const startPos = stream.pos;
+    let length;
+
+    if (filterName === "DCTDecode" || filterName === "DCT") {
+      length = this.findDCTDecodeInlineStreamEnd(stream);
+    } else if (filterName === "ASCII85Decode" || filterName === "A85") {
+      length = this.findASCII85DecodeInlineStreamEnd(stream);
+    } else if (filterName === "ASCIIHexDecode" || filterName === "AHx") {
+      length = this.findASCIIHexDecodeInlineStreamEnd(stream);
+    } else {
+      length = this.findDefaultInlineStreamEnd(stream);
+    }
+
+    let imageStream = stream.makeSubStream(startPos, length, dict);
+    let cacheKey;
+
+    if (length < MAX_LENGTH_TO_CACHE && dictLength < MAX_ADLER32_LENGTH) {
+      const imageBytes = imageStream.getBytes();
+      imageStream.reset();
+      const initialStreamPos = stream.pos;
+      stream.pos = lexer.beginInlineImagePos;
+      const dictBytes = stream.getBytes(dictLength);
+      stream.pos = initialStreamPos;
+      cacheKey = computeAdler32(imageBytes) + "_" + computeAdler32(dictBytes);
+      const cacheEntry = this.imageCache[cacheKey];
+
+      if (cacheEntry !== undefined) {
+        this.buf2 = _primitives.Cmd.get("EI");
+        this.shift();
+        cacheEntry.reset();
+        return cacheEntry;
+      }
+    }
+
+    if (cipherTransform) {
+      imageStream = cipherTransform.createStream(imageStream, length);
+    }
+
+    imageStream = this.filter(imageStream, dict, length);
+    imageStream.dict = dict;
+
+    if (cacheKey !== undefined) {
+      imageStream.cacheKey = `inline_${length}_${cacheKey}`;
+      this.imageCache[cacheKey] = imageStream;
+    }
+
+    this.buf2 = _primitives.Cmd.get("EI");
+    this.shift();
+    return imageStream;
+  }
+
+  _findStreamLength(startPos, signature) {
+    const {
+      stream
+    } = this.lexer;
+    stream.pos = startPos;
+    const SCAN_BLOCK_LENGTH = 2048;
+    const signatureLength = signature.length;
+
+    while (stream.pos < stream.end) {
+      const scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
+      const scanLength = scanBytes.length - signatureLength;
+
+      if (scanLength <= 0) {
+        break;
+      }
+
+      let pos = 0;
+
+      while (pos < scanLength) {
+        let j = 0;
+
+        while (j < signatureLength && scanBytes[pos + j] === signature[j]) {
+          j++;
+        }
+
+        if (j >= signatureLength) {
+          stream.pos += pos;
+          return stream.pos - startPos;
+        }
+
+        pos++;
+      }
+
+      stream.pos += scanLength;
+    }
+
+    return -1;
+  }
+
+  makeStream(dict, cipherTransform) {
+    const lexer = this.lexer;
+    let stream = lexer.stream;
+    lexer.skipToNextLine();
+    const startPos = stream.pos - 1;
+    let length = dict.get("Length");
+
+    if (!Number.isInteger(length)) {
+      (0, _util.info)(`Bad length "${length}" in stream`);
+      length = 0;
+    }
+
+    stream.pos = startPos + length;
+    lexer.nextChar();
+
+    if (this.tryShift() && (0, _primitives.isCmd)(this.buf2, "endstream")) {
+      this.shift();
+    } else {
+      const ENDSTREAM_SIGNATURE = new Uint8Array([0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D]);
+
+      let actualLength = this._findStreamLength(startPos, ENDSTREAM_SIGNATURE);
+
+      if (actualLength < 0) {
+        const MAX_TRUNCATION = 1;
+
+        for (let i = 1; i <= MAX_TRUNCATION; i++) {
+          const end = ENDSTREAM_SIGNATURE.length - i;
+          const TRUNCATED_SIGNATURE = ENDSTREAM_SIGNATURE.slice(0, end);
+
+          const maybeLength = this._findStreamLength(startPos, TRUNCATED_SIGNATURE);
+
+          if (maybeLength >= 0) {
+            const lastByte = stream.peekBytes(end + 1)[end];
+
+            if (!(0, _core_utils.isWhiteSpace)(lastByte)) {
+              break;
+            }
+
+            (0, _util.info)(`Found "${(0, _util.bytesToString)(TRUNCATED_SIGNATURE)}" when ` + "searching for endstream command.");
+            actualLength = maybeLength;
+            break;
+          }
+        }
+
+        if (actualLength < 0) {
+          throw new _util.FormatError("Missing endstream command.");
+        }
+      }
+
+      length = actualLength;
+      lexer.nextChar();
+      this.shift();
+      this.shift();
+    }
+
+    this.shift();
+    stream = stream.makeSubStream(startPos, length, dict);
+
+    if (cipherTransform) {
+      stream = cipherTransform.createStream(stream, length);
+    }
+
+    stream = this.filter(stream, dict, length);
+    stream.dict = dict;
+    return stream;
+  }
+
+  filter(stream, dict, length) {
+    let filter = dict.get("Filter", "F");
+    let params = dict.get("DecodeParms", "DP");
+
+    if ((0, _primitives.isName)(filter)) {
+      if (Array.isArray(params)) {
+        (0, _util.warn)("/DecodeParms should not contain an Array, " + "when /Filter contains a Name.");
+      }
+
+      return this.makeFilter(stream, filter.name, length, params);
+    }
+
+    let maybeLength = length;
+
+    if (Array.isArray(filter)) {
+      const filterArray = filter;
+      const paramsArray = params;
+
+      for (let i = 0, ii = filterArray.length; i < ii; ++i) {
+        filter = this.xref.fetchIfRef(filterArray[i]);
+
+        if (!(0, _primitives.isName)(filter)) {
+          throw new _util.FormatError(`Bad filter name "${filter}"`);
+        }
+
+        params = null;
+
+        if (Array.isArray(paramsArray) && i in paramsArray) {
+          params = this.xref.fetchIfRef(paramsArray[i]);
+        }
+
+        stream = this.makeFilter(stream, filter.name, maybeLength, params);
+        maybeLength = null;
+      }
+    }
+
+    return stream;
+  }
+
+  makeFilter(stream, name, maybeLength, params) {
+    if (maybeLength === 0) {
+      (0, _util.warn)(`Empty "${name}" stream.`);
+      return new _stream.NullStream();
+    }
+
+    try {
+      const xrefStreamStats = this.xref.stats.streamTypes;
+
+      if (name === "FlateDecode" || name === "Fl") {
+        xrefStreamStats[_util.StreamType.FLATE] = true;
+
+        if (params) {
+          return new _stream.PredictorStream(new _stream.FlateStream(stream, maybeLength), maybeLength, params);
+        }
+
+        return new _stream.FlateStream(stream, maybeLength);
+      }
+
+      if (name === "LZWDecode" || name === "LZW") {
+        xrefStreamStats[_util.StreamType.LZW] = true;
+        let earlyChange = 1;
+
+        if (params) {
+          if (params.has("EarlyChange")) {
+            earlyChange = params.get("EarlyChange");
+          }
+
+          return new _stream.PredictorStream(new _stream.LZWStream(stream, maybeLength, earlyChange), maybeLength, params);
+        }
+
+        return new _stream.LZWStream(stream, maybeLength, earlyChange);
+      }
+
+      if (name === "DCTDecode" || name === "DCT") {
+        xrefStreamStats[_util.StreamType.DCT] = true;
+        return new _jpeg_stream.JpegStream(stream, maybeLength, stream.dict, params);
+      }
+
+      if (name === "JPXDecode" || name === "JPX") {
+        xrefStreamStats[_util.StreamType.JPX] = true;
+        return new _jpx_stream.JpxStream(stream, maybeLength, stream.dict, params);
+      }
+
+      if (name === "ASCII85Decode" || name === "A85") {
+        xrefStreamStats[_util.StreamType.A85] = true;
+        return new _stream.Ascii85Stream(stream, maybeLength);
+      }
+
+      if (name === "ASCIIHexDecode" || name === "AHx") {
+        xrefStreamStats[_util.StreamType.AHX] = true;
+        return new _stream.AsciiHexStream(stream, maybeLength);
+      }
+
+      if (name === "CCITTFaxDecode" || name === "CCF") {
+        xrefStreamStats[_util.StreamType.CCF] = true;
+        return new _ccitt_stream.CCITTFaxStream(stream, maybeLength, params);
+      }
+
+      if (name === "RunLengthDecode" || name === "RL") {
+        xrefStreamStats[_util.StreamType.RLX] = true;
+        return new _stream.RunLengthStream(stream, maybeLength);
+      }
+
+      if (name === "JBIG2Decode") {
+        xrefStreamStats[_util.StreamType.JBIG] = true;
+        return new _jbig2_stream.Jbig2Stream(stream, maybeLength, stream.dict, params);
+      }
+
+      (0, _util.warn)(`Filter "${name}" is not supported.`);
+      return stream;
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`Invalid stream: "${ex}"`);
+      return new _stream.NullStream();
+    }
+  }
+
+}
+
+exports.Parser = Parser;
+const specialChars = [1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+
+function toHexDigit(ch) {
+  if (ch >= 0x30 && ch <= 0x39) {
+    return ch & 0x0f;
+  }
+
+  if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+    return (ch & 0x0f) + 9;
+  }
+
+  return -1;
+}
+
+class Lexer {
+  constructor(stream, knownCommands = null) {
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+    this.knownCommands = knownCommands;
+    this._hexStringNumWarn = 0;
+    this.beginInlineImagePos = -1;
+  }
+
+  nextChar() {
+    return this.currentChar = this.stream.getByte();
+  }
+
+  peekChar() {
+    return this.stream.peekByte();
+  }
+
+  getNumber() {
+    let ch = this.currentChar;
+    let eNotation = false;
+    let divideBy = 0;
+    let sign = 0;
+
+    if (ch === 0x2d) {
+      sign = -1;
+      ch = this.nextChar();
+
+      if (ch === 0x2d) {
+        ch = this.nextChar();
+      }
+    } else if (ch === 0x2b) {
+      sign = 1;
+      ch = this.nextChar();
+    }
+
+    if (ch === 0x0a || ch === 0x0d) {
+      do {
+        ch = this.nextChar();
+      } while (ch === 0x0a || ch === 0x0d);
+    }
+
+    if (ch === 0x2e) {
+      divideBy = 10;
+      ch = this.nextChar();
+    }
+
+    if (ch < 0x30 || ch > 0x39) {
+      if (divideBy === 10 && sign === 0 && ((0, _core_utils.isWhiteSpace)(ch) || ch === -1)) {
+        (0, _util.warn)("Lexer.getNumber - treating a single decimal point as zero.");
+        return 0;
+      }
+
+      throw new _util.FormatError(`Invalid number: ${String.fromCharCode(ch)} (charCode ${ch})`);
+    }
+
+    sign = sign || 1;
+    let baseValue = ch - 0x30;
+    let powerValue = 0;
+    let powerValueSign = 1;
+
+    while ((ch = this.nextChar()) >= 0) {
+      if (ch >= 0x30 && ch <= 0x39) {
+        const currentDigit = ch - 0x30;
+
+        if (eNotation) {
+          powerValue = powerValue * 10 + currentDigit;
+        } else {
+          if (divideBy !== 0) {
+            divideBy *= 10;
+          }
+
+          baseValue = baseValue * 10 + currentDigit;
+        }
+      } else if (ch === 0x2e) {
+        if (divideBy === 0) {
+          divideBy = 1;
+        } else {
+          break;
+        }
+      } else if (ch === 0x2d) {
+        (0, _util.warn)("Badly formatted number: minus sign in the middle");
+      } else if (ch === 0x45 || ch === 0x65) {
+        ch = this.peekChar();
+
+        if (ch === 0x2b || ch === 0x2d) {
+          powerValueSign = ch === 0x2d ? -1 : 1;
+          this.nextChar();
+        } else if (ch < 0x30 || ch > 0x39) {
+          break;
+        }
+
+        eNotation = true;
+      } else {
+        break;
+      }
+    }
+
+    if (divideBy !== 0) {
+      baseValue /= divideBy;
+    }
+
+    if (eNotation) {
+      baseValue *= 10 ** (powerValueSign * powerValue);
+    }
+
+    return sign * baseValue;
+  }
+
+  getString() {
+    let numParen = 1;
+    let done = false;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    let ch = this.nextChar();
+
+    while (true) {
+      let charBuffered = false;
+
+      switch (ch | 0) {
+        case -1:
+          (0, _util.warn)("Unterminated string");
+          done = true;
+          break;
+
+        case 0x28:
+          ++numParen;
+          strBuf.push("(");
+          break;
+
+        case 0x29:
+          if (--numParen === 0) {
+            this.nextChar();
+            done = true;
+          } else {
+            strBuf.push(")");
+          }
+
+          break;
+
+        case 0x5c:
+          ch = this.nextChar();
+
+          switch (ch) {
+            case -1:
+              (0, _util.warn)("Unterminated string");
+              done = true;
+              break;
+
+            case 0x6e:
+              strBuf.push("\n");
+              break;
+
+            case 0x72:
+              strBuf.push("\r");
+              break;
+
+            case 0x74:
+              strBuf.push("\t");
+              break;
+
+            case 0x62:
+              strBuf.push("\b");
+              break;
+
+            case 0x66:
+              strBuf.push("\f");
+              break;
+
+            case 0x5c:
+            case 0x28:
+            case 0x29:
+              strBuf.push(String.fromCharCode(ch));
+              break;
+
+            case 0x30:
+            case 0x31:
+            case 0x32:
+            case 0x33:
+            case 0x34:
+            case 0x35:
+            case 0x36:
+            case 0x37:
+              let x = ch & 0x0f;
+              ch = this.nextChar();
+              charBuffered = true;
+
+              if (ch >= 0x30 && ch <= 0x37) {
+                x = (x << 3) + (ch & 0x0f);
+                ch = this.nextChar();
+
+                if (ch >= 0x30 && ch <= 0x37) {
+                  charBuffered = false;
+                  x = (x << 3) + (ch & 0x0f);
+                }
+              }
+
+              strBuf.push(String.fromCharCode(x));
+              break;
+
+            case 0x0d:
+              if (this.peekChar() === 0x0a) {
+                this.nextChar();
+              }
+
+              break;
+
+            case 0x0a:
+              break;
+
+            default:
+              strBuf.push(String.fromCharCode(ch));
+              break;
+          }
+
+          break;
+
+        default:
+          strBuf.push(String.fromCharCode(ch));
+          break;
+      }
+
+      if (done) {
+        break;
+      }
+
+      if (!charBuffered) {
+        ch = this.nextChar();
+      }
+    }
+
+    return strBuf.join("");
+  }
+
+  getName() {
+    let ch, previousCh;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+
+    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+      if (ch === 0x23) {
+        ch = this.nextChar();
+
+        if (specialChars[ch]) {
+          (0, _util.warn)("Lexer_getName: " + "NUMBER SIGN (#) should be followed by a hexadecimal number.");
+          strBuf.push("#");
+          break;
+        }
+
+        const x = toHexDigit(ch);
+
+        if (x !== -1) {
+          previousCh = ch;
+          ch = this.nextChar();
+          const x2 = toHexDigit(ch);
+
+          if (x2 === -1) {
+            (0, _util.warn)(`Lexer_getName: Illegal digit (${String.fromCharCode(ch)}) ` + "in hexadecimal number.");
+            strBuf.push("#", String.fromCharCode(previousCh));
+
+            if (specialChars[ch]) {
+              break;
+            }
+
+            strBuf.push(String.fromCharCode(ch));
+            continue;
+          }
+
+          strBuf.push(String.fromCharCode(x << 4 | x2));
+        } else {
+          strBuf.push("#", String.fromCharCode(ch));
+        }
+      } else {
+        strBuf.push(String.fromCharCode(ch));
+      }
+    }
+
+    if (strBuf.length > 127) {
+      (0, _util.warn)(`Name token is longer than allowed by the spec: ${strBuf.length}`);
+    }
+
+    return _primitives.Name.get(strBuf.join(""));
+  }
+
+  _hexStringWarn(ch) {
+    const MAX_HEX_STRING_NUM_WARN = 5;
+
+    if (this._hexStringNumWarn++ === MAX_HEX_STRING_NUM_WARN) {
+      (0, _util.warn)("getHexString - ignoring additional invalid characters.");
+      return;
+    }
+
+    if (this._hexStringNumWarn > MAX_HEX_STRING_NUM_WARN) {
+      return;
+    }
+
+    (0, _util.warn)(`getHexString - ignoring invalid character: ${ch}`);
+  }
+
+  getHexString() {
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    let ch = this.currentChar;
+    let isFirstHex = true;
+    let firstDigit, secondDigit;
+    this._hexStringNumWarn = 0;
+
+    while (true) {
+      if (ch < 0) {
+        (0, _util.warn)("Unterminated hex string");
+        break;
+      } else if (ch === 0x3e) {
+        this.nextChar();
+        break;
+      } else if (specialChars[ch] === 1) {
+        ch = this.nextChar();
+        continue;
+      } else {
+        if (isFirstHex) {
+          firstDigit = toHexDigit(ch);
+
+          if (firstDigit === -1) {
+            this._hexStringWarn(ch);
+
+            ch = this.nextChar();
+            continue;
+          }
+        } else {
+          secondDigit = toHexDigit(ch);
+
+          if (secondDigit === -1) {
+            this._hexStringWarn(ch);
+
+            ch = this.nextChar();
+            continue;
+          }
+
+          strBuf.push(String.fromCharCode(firstDigit << 4 | secondDigit));
+        }
+
+        isFirstHex = !isFirstHex;
+        ch = this.nextChar();
+      }
+    }
+
+    return strBuf.join("");
+  }
+
+  getObj() {
+    let comment = false;
+    let ch = this.currentChar;
+
+    while (true) {
+      if (ch < 0) {
+        return _primitives.EOF;
+      }
+
+      if (comment) {
+        if (ch === 0x0a || ch === 0x0d) {
+          comment = false;
+        }
+      } else if (ch === 0x25) {
+        comment = true;
+      } else if (specialChars[ch] !== 1) {
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+
+    switch (ch | 0) {
+      case 0x30:
+      case 0x31:
+      case 0x32:
+      case 0x33:
+      case 0x34:
+      case 0x35:
+      case 0x36:
+      case 0x37:
+      case 0x38:
+      case 0x39:
+      case 0x2b:
+      case 0x2d:
+      case 0x2e:
+        return this.getNumber();
+
+      case 0x28:
+        return this.getString();
+
+      case 0x2f:
+        return this.getName();
+
+      case 0x5b:
+        this.nextChar();
+        return _primitives.Cmd.get("[");
+
+      case 0x5d:
+        this.nextChar();
+        return _primitives.Cmd.get("]");
+
+      case 0x3c:
+        ch = this.nextChar();
+
+        if (ch === 0x3c) {
+          this.nextChar();
+          return _primitives.Cmd.get("<<");
+        }
+
+        return this.getHexString();
+
+      case 0x3e:
+        ch = this.nextChar();
+
+        if (ch === 0x3e) {
+          this.nextChar();
+          return _primitives.Cmd.get(">>");
+        }
+
+        return _primitives.Cmd.get(">");
+
+      case 0x7b:
+        this.nextChar();
+        return _primitives.Cmd.get("{");
+
+      case 0x7d:
+        this.nextChar();
+        return _primitives.Cmd.get("}");
+
+      case 0x29:
+        this.nextChar();
+        throw new _util.FormatError(`Illegal character: ${ch}`);
+    }
+
+    let str = String.fromCharCode(ch);
+    const knownCommands = this.knownCommands;
+    let knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+
+    while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
+      const possibleCommand = str + String.fromCharCode(ch);
+
+      if (knownCommandFound && knownCommands[possibleCommand] === undefined) {
+        break;
+      }
+
+      if (str.length === 128) {
+        throw new _util.FormatError(`Command token too long: ${str.length}`);
+      }
+
+      str = possibleCommand;
+      knownCommandFound = knownCommands && knownCommands[str] !== undefined;
+    }
+
+    if (str === "true") {
+      return true;
+    }
+
+    if (str === "false") {
+      return false;
+    }
+
+    if (str === "null") {
+      return null;
+    }
+
+    if (str === "BI") {
+      this.beginInlineImagePos = this.stream.pos;
+    }
+
+    return _primitives.Cmd.get(str);
+  }
+
+  peekObj() {
+    const streamPos = this.stream.pos,
+          currentChar = this.currentChar,
+          beginInlineImagePos = this.beginInlineImagePos;
+    let nextObj;
+
+    try {
+      nextObj = this.getObj();
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      (0, _util.warn)(`peekObj: ${ex}`);
+    }
+
+    this.stream.pos = streamPos;
+    this.currentChar = currentChar;
+    this.beginInlineImagePos = beginInlineImagePos;
+    return nextObj;
+  }
+
+  skipToNextLine() {
+    let ch = this.currentChar;
+
+    while (ch >= 0) {
+      if (ch === 0x0d) {
+        ch = this.nextChar();
+
+        if (ch === 0x0a) {
+          this.nextChar();
+        }
+
+        break;
+      } else if (ch === 0x0a) {
+        this.nextChar();
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+  }
+
+}
+
+exports.Lexer = Lexer;
+
+class Linearization {
+  static create(stream) {
+    function getInt(linDict, name, allowZeroValue = false) {
+      const obj = linDict.get(name);
+
+      if (Number.isInteger(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) {
+        return obj;
+      }
+
+      throw new Error(`The "${name}" parameter in the linearization ` + "dictionary is invalid.");
+    }
+
+    function getHints(linDict) {
+      const hints = linDict.get("H");
+      let hintsLength;
+
+      if (Array.isArray(hints) && ((hintsLength = hints.length) === 2 || hintsLength === 4)) {
+        for (let index = 0; index < hintsLength; index++) {
+          const hint = hints[index];
+
+          if (!(Number.isInteger(hint) && hint > 0)) {
+            throw new Error(`Hint (${index}) in the linearization dictionary is invalid.`);
+          }
+        }
+
+        return hints;
+      }
+
+      throw new Error("Hint array in the linearization dictionary is invalid.");
+    }
+
+    const parser = new Parser({
+      lexer: new Lexer(stream),
+      xref: null
+    });
+    const obj1 = parser.getObj();
+    const obj2 = parser.getObj();
+    const obj3 = parser.getObj();
+    const linDict = parser.getObj();
+    let obj, length;
+
+    if (!(Number.isInteger(obj1) && Number.isInteger(obj2) && (0, _primitives.isCmd)(obj3, "obj") && (0, _primitives.isDict)(linDict) && (0, _util.isNum)(obj = linDict.get("Linearized")) && obj > 0)) {
+      return null;
+    } else if ((length = getInt(linDict, "L")) !== stream.length) {
+      throw new Error('The "L" parameter in the linearization dictionary ' + "does not equal the stream length.");
+    }
+
+    return {
+      length,
+      hints: getHints(linDict),
+      objectNumberFirst: getInt(linDict, "O"),
+      endFirst: getInt(linDict, "E"),
+      numPages: getInt(linDict, "N"),
+      mainXRefEntriesOffset: getInt(linDict, "T"),
+      pageFirst: linDict.has("P") ? getInt(linDict, "P", true) : 0
+    };
+  }
+
+}
+
+exports.Linearization = Linearization;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/pattern.js b/node_modules/pdfjs-dist/lib/core/pattern.js
new file mode 100644
index 00000000..1ad5de0a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/pattern.js
@@ -0,0 +1,967 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getTilingPatternIR = getTilingPatternIR;
+exports.Pattern = void 0;
+
+var _util = require("../shared/util.js");
+
+var _colorspace = require("./colorspace.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+var ShadingType = {
+  FUNCTION_BASED: 1,
+  AXIAL: 2,
+  RADIAL: 3,
+  FREE_FORM_MESH: 4,
+  LATTICE_FORM_MESH: 5,
+  COONS_PATCH_MESH: 6,
+  TENSOR_PATCH_MESH: 7
+};
+
+var Pattern = function PatternClosure() {
+  function Pattern() {
+    (0, _util.unreachable)("should not call Pattern constructor");
+  }
+
+  Pattern.prototype = {
+    getPattern: function Pattern_getPattern(ctx) {
+      (0, _util.unreachable)(`Should not call Pattern.getStyle: ${ctx}`);
+    }
+  };
+
+  Pattern.parseShading = function (shading, matrix, xref, res, handler, pdfFunctionFactory, localColorSpaceCache) {
+    var dict = (0, _primitives.isStream)(shading) ? shading.dict : shading;
+    var type = dict.get("ShadingType");
+
+    try {
+      switch (type) {
+        case ShadingType.AXIAL:
+        case ShadingType.RADIAL:
+          return new Shadings.RadialAxial(dict, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        case ShadingType.FREE_FORM_MESH:
+        case ShadingType.LATTICE_FORM_MESH:
+        case ShadingType.COONS_PATCH_MESH:
+        case ShadingType.TENSOR_PATCH_MESH:
+          return new Shadings.Mesh(shading, matrix, xref, res, pdfFunctionFactory, localColorSpaceCache);
+
+        default:
+          throw new _util.FormatError("Unsupported ShadingType: " + type);
+      }
+    } catch (ex) {
+      if (ex instanceof _core_utils.MissingDataException) {
+        throw ex;
+      }
+
+      handler.send("UnsupportedFeature", {
+        featureId: _util.UNSUPPORTED_FEATURES.shadingPattern
+      });
+      (0, _util.warn)(ex);
+      return new Shadings.Dummy();
+    }
+  };
+
+  return Pattern;
+}();
+
+exports.Pattern = Pattern;
+var Shadings = {};
+Shadings.SMALL_NUMBER = 1e-6;
+
+Shadings.RadialAxial = function RadialAxialClosure() {
+  function RadialAxial(dict, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    this.matrix = matrix;
+    this.coordsArr = dict.getArray("Coords");
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+
+    const cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref,
+      resources,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+
+    this.cs = cs;
+    const bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    var t0 = 0.0,
+        t1 = 1.0;
+
+    if (dict.has("Domain")) {
+      var domainArr = dict.getArray("Domain");
+      t0 = domainArr[0];
+      t1 = domainArr[1];
+    }
+
+    var extendStart = false,
+        extendEnd = false;
+
+    if (dict.has("Extend")) {
+      var extendArr = dict.getArray("Extend");
+      extendStart = extendArr[0];
+      extendEnd = extendArr[1];
+    }
+
+    if (this.shadingType === ShadingType.RADIAL && (!extendStart || !extendEnd)) {
+      var x1 = this.coordsArr[0];
+      var y1 = this.coordsArr[1];
+      var r1 = this.coordsArr[2];
+      var x2 = this.coordsArr[3];
+      var y2 = this.coordsArr[4];
+      var r2 = this.coordsArr[5];
+      var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
+
+      if (r1 <= r2 + distance && r2 <= r1 + distance) {
+        (0, _util.warn)("Unsupported radial gradient.");
+      }
+    }
+
+    this.extendStart = extendStart;
+    this.extendEnd = extendEnd;
+    var fnObj = dict.getRaw("Function");
+    var fn = pdfFunctionFactory.createFromArray(fnObj);
+    const NUMBER_OF_SAMPLES = 10;
+    const step = (t1 - t0) / NUMBER_OF_SAMPLES;
+    var colorStops = this.colorStops = [];
+
+    if (t0 >= t1 || step <= 0) {
+      (0, _util.info)("Bad shading domain.");
+      return;
+    }
+
+    var color = new Float32Array(cs.numComps),
+        ratio = new Float32Array(1);
+    var rgbColor;
+
+    for (let i = 0; i <= NUMBER_OF_SAMPLES; i++) {
+      ratio[0] = t0 + i * step;
+      fn(ratio, 0, color, 0);
+      rgbColor = cs.getRgb(color, 0);
+
+      var cssColor = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+
+      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);
+    }
+
+    var background = "transparent";
+
+    if (dict.has("Background")) {
+      rgbColor = cs.getRgb(dict.get("Background"), 0);
+      background = _util.Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]);
+    }
+
+    if (!extendStart) {
+      colorStops.unshift([0, background]);
+      colorStops[1][0] += Shadings.SMALL_NUMBER;
+    }
+
+    if (!extendEnd) {
+      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;
+      colorStops.push([1, background]);
+    }
+
+    this.colorStops = colorStops;
+  }
+
+  RadialAxial.prototype = {
+    getIR: function RadialAxial_getIR() {
+      var coordsArr = this.coordsArr;
+      var shadingType = this.shadingType;
+      var type, p0, p1, r0, r1;
+
+      if (shadingType === ShadingType.AXIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[2], coordsArr[3]];
+        r0 = null;
+        r1 = null;
+        type = "axial";
+      } else if (shadingType === ShadingType.RADIAL) {
+        p0 = [coordsArr[0], coordsArr[1]];
+        p1 = [coordsArr[3], coordsArr[4]];
+        r0 = coordsArr[2];
+        r1 = coordsArr[5];
+        type = "radial";
+      } else {
+        (0, _util.unreachable)(`getPattern type unknown: ${shadingType}`);
+      }
+
+      var matrix = this.matrix;
+
+      if (matrix) {
+        p0 = _util.Util.applyTransform(p0, matrix);
+        p1 = _util.Util.applyTransform(p1, matrix);
+
+        if (shadingType === ShadingType.RADIAL) {
+          var scale = _util.Util.singularValueDecompose2dScale(matrix);
+
+          r0 *= scale[0];
+          r1 *= scale[1];
+        }
+      }
+
+      return ["RadialAxial", type, this.bbox, this.colorStops, p0, p1, r0, r1];
+    }
+  };
+  return RadialAxial;
+}();
+
+Shadings.Mesh = function MeshClosure() {
+  function MeshStreamReader(stream, context) {
+    this.stream = stream;
+    this.context = context;
+    this.buffer = 0;
+    this.bufferLength = 0;
+    var numComps = context.numComps;
+    this.tmpCompsBuf = new Float32Array(numComps);
+    var csNumComps = context.colorSpace.numComps;
+    this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : this.tmpCompsBuf;
+  }
+
+  MeshStreamReader.prototype = {
+    get hasData() {
+      if (this.stream.end) {
+        return this.stream.pos < this.stream.end;
+      }
+
+      if (this.bufferLength > 0) {
+        return true;
+      }
+
+      var nextByte = this.stream.getByte();
+
+      if (nextByte < 0) {
+        return false;
+      }
+
+      this.buffer = nextByte;
+      this.bufferLength = 8;
+      return true;
+    },
+
+    readBits: function MeshStreamReader_readBits(n) {
+      var buffer = this.buffer;
+      var bufferLength = this.bufferLength;
+
+      if (n === 32) {
+        if (bufferLength === 0) {
+          return (this.stream.getByte() << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte()) >>> 0;
+        }
+
+        buffer = buffer << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte();
+        var nextByte = this.stream.getByte();
+        this.buffer = nextByte & (1 << bufferLength) - 1;
+        return (buffer << 8 - bufferLength | (nextByte & 0xff) >> bufferLength) >>> 0;
+      }
+
+      if (n === 8 && bufferLength === 0) {
+        return this.stream.getByte();
+      }
+
+      while (bufferLength < n) {
+        buffer = buffer << 8 | this.stream.getByte();
+        bufferLength += 8;
+      }
+
+      bufferLength -= n;
+      this.bufferLength = bufferLength;
+      this.buffer = buffer & (1 << bufferLength) - 1;
+      return buffer >> bufferLength;
+    },
+    align: function MeshStreamReader_align() {
+      this.buffer = 0;
+      this.bufferLength = 0;
+    },
+    readFlag: function MeshStreamReader_readFlag() {
+      return this.readBits(this.context.bitsPerFlag);
+    },
+    readCoordinate: function MeshStreamReader_readCoordinate() {
+      var bitsPerCoordinate = this.context.bitsPerCoordinate;
+      var xi = this.readBits(bitsPerCoordinate);
+      var yi = this.readBits(bitsPerCoordinate);
+      var decode = this.context.decode;
+      var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : 2.3283064365386963e-10;
+      return [xi * scale * (decode[1] - decode[0]) + decode[0], yi * scale * (decode[3] - decode[2]) + decode[2]];
+    },
+    readComponents: function MeshStreamReader_readComponents() {
+      var numComps = this.context.numComps;
+      var bitsPerComponent = this.context.bitsPerComponent;
+      var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : 2.3283064365386963e-10;
+      var decode = this.context.decode;
+      var components = this.tmpCompsBuf;
+
+      for (var i = 0, j = 4; i < numComps; i++, j += 2) {
+        var ci = this.readBits(bitsPerComponent);
+        components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j];
+      }
+
+      var color = this.tmpCsCompsBuf;
+
+      if (this.context.colorFn) {
+        this.context.colorFn(components, 0, color, 0);
+      }
+
+      return this.context.colorSpace.getRgb(color, 0);
+    }
+  };
+
+  function decodeType4Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var operators = [];
+    var ps = [];
+    var verticesLeft = 0;
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+
+      if (verticesLeft === 0) {
+        if (!(0 <= f && f <= 2)) {
+          throw new _util.FormatError("Unknown type4 flag");
+        }
+
+        switch (f) {
+          case 0:
+            verticesLeft = 3;
+            break;
+
+          case 1:
+            ps.push(ps[ps.length - 2], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+
+          case 2:
+            ps.push(ps[ps.length - 3], ps[ps.length - 1]);
+            verticesLeft = 1;
+            break;
+        }
+
+        operators.push(f);
+      }
+
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+      verticesLeft--;
+      reader.align();
+    }
+
+    mesh.figures.push({
+      type: "triangles",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps)
+    });
+  }
+
+  function decodeType5Shading(mesh, reader, verticesPerRow) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = [];
+
+    while (reader.hasData) {
+      var coord = reader.readCoordinate();
+      var color = reader.readComponents();
+      ps.push(coords.length);
+      coords.push(coord);
+      colors.push(color);
+    }
+
+    mesh.figures.push({
+      type: "lattice",
+      coords: new Int32Array(ps),
+      colors: new Int32Array(ps),
+      verticesPerRow
+    });
+  }
+
+  var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3;
+  var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20;
+  var TRIANGLE_DENSITY = 20;
+
+  var getB = function getBClosure() {
+    function buildB(count) {
+      var lut = [];
+
+      for (var i = 0; i <= count; i++) {
+        var t = i / count,
+            t_ = 1 - t;
+        lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, 3 * t * t * t_, t * t * t]));
+      }
+
+      return lut;
+    }
+
+    var cache = [];
+    return function getB(count) {
+      if (!cache[count]) {
+        cache[count] = buildB(count);
+      }
+
+      return cache[count];
+    };
+  }();
+
+  function buildFigureFromPatch(mesh, index) {
+    var figure = mesh.figures[index];
+    (0, _util.assert)(figure.type === "patch", "Unexpected patch mesh figure");
+    var coords = mesh.coords,
+        colors = mesh.colors;
+    var pi = figure.coords;
+    var ci = figure.colors;
+    var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]);
+    var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]);
+    var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / (mesh.bounds[2] - mesh.bounds[0]));
+    splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy));
+    var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / (mesh.bounds[3] - mesh.bounds[1]));
+    splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy));
+    var verticesPerRow = splitXBy + 1;
+    var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow);
+    var k = 0;
+    var cl = new Uint8Array(3),
+        cr = new Uint8Array(3);
+    var c0 = colors[ci[0]],
+        c1 = colors[ci[1]],
+        c2 = colors[ci[2]],
+        c3 = colors[ci[3]];
+    var bRow = getB(splitYBy),
+        bCol = getB(splitXBy);
+
+    for (var row = 0; row <= splitYBy; row++) {
+      cl[0] = (c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy | 0;
+      cl[1] = (c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy | 0;
+      cl[2] = (c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy | 0;
+      cr[0] = (c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy | 0;
+      cr[1] = (c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy | 0;
+      cr[2] = (c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy | 0;
+
+      for (var col = 0; col <= splitXBy; col++, k++) {
+        if ((row === 0 || row === splitYBy) && (col === 0 || col === splitXBy)) {
+          continue;
+        }
+
+        var x = 0,
+            y = 0;
+        var q = 0;
+
+        for (var i = 0; i <= 3; i++) {
+          for (var j = 0; j <= 3; j++, q++) {
+            var m = bRow[row][i] * bCol[col][j];
+            x += coords[pi[q]][0] * m;
+            y += coords[pi[q]][1] * m;
+          }
+        }
+
+        figureCoords[k] = coords.length;
+        coords.push([x, y]);
+        figureColors[k] = colors.length;
+        var newColor = new Uint8Array(3);
+        newColor[0] = (cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy | 0;
+        newColor[1] = (cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy | 0;
+        newColor[2] = (cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy | 0;
+        colors.push(newColor);
+      }
+    }
+
+    figureCoords[0] = pi[0];
+    figureColors[0] = ci[0];
+    figureCoords[splitXBy] = pi[3];
+    figureColors[splitXBy] = ci[1];
+    figureCoords[verticesPerRow * splitYBy] = pi[12];
+    figureColors[verticesPerRow * splitYBy] = ci[2];
+    figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15];
+    figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3];
+    mesh.figures[index] = {
+      type: "lattice",
+      coords: figureCoords,
+      colors: figureColors,
+      verticesPerRow
+    };
+  }
+
+  function decodeType6Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type6 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      ps[5] = coords.length;
+      coords.push([(-4 * coords[ps[0]][0] - coords[ps[15]][0] + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, (-4 * coords[ps[0]][1] - coords[ps[15]][1] + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9]);
+      ps[6] = coords.length;
+      coords.push([(-4 * coords[ps[3]][0] - coords[ps[12]][0] + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, (-4 * coords[ps[3]][1] - coords[ps[12]][1] + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9]);
+      ps[9] = coords.length;
+      coords.push([(-4 * coords[ps[12]][0] - coords[ps[3]][0] + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, (-4 * coords[ps[12]][1] - coords[ps[3]][1] + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9]);
+      ps[10] = coords.length;
+      coords.push([(-4 * coords[ps[15]][0] - coords[ps[0]][0] + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, (-4 * coords[ps[15]][1] - coords[ps[0]][1] + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9]);
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function decodeType7Shading(mesh, reader) {
+    var coords = mesh.coords;
+    var colors = mesh.colors;
+    var ps = new Int32Array(16);
+    var cs = new Int32Array(4);
+
+    while (reader.hasData) {
+      var f = reader.readFlag();
+
+      if (!(0 <= f && f <= 3)) {
+        throw new _util.FormatError("Unknown type7 flag");
+      }
+
+      var i, ii;
+      var pi = coords.length;
+
+      for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) {
+        coords.push(reader.readCoordinate());
+      }
+
+      var ci = colors.length;
+
+      for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) {
+        colors.push(reader.readComponents());
+      }
+
+      var tmp1, tmp2, tmp3, tmp4;
+
+      switch (f) {
+        case 0:
+          ps[12] = pi + 3;
+          ps[13] = pi + 4;
+          ps[14] = pi + 5;
+          ps[15] = pi + 6;
+          ps[8] = pi + 2;
+          ps[9] = pi + 13;
+          ps[10] = pi + 14;
+          ps[11] = pi + 7;
+          ps[4] = pi + 1;
+          ps[5] = pi + 12;
+          ps[6] = pi + 15;
+          ps[7] = pi + 8;
+          ps[0] = pi;
+          ps[1] = pi + 11;
+          ps[2] = pi + 10;
+          ps[3] = pi + 9;
+          cs[2] = ci + 1;
+          cs[3] = ci + 2;
+          cs[0] = ci;
+          cs[1] = ci + 3;
+          break;
+
+        case 1:
+          tmp1 = ps[12];
+          tmp2 = ps[13];
+          tmp3 = ps[14];
+          tmp4 = ps[15];
+          ps[12] = tmp4;
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = tmp3;
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[2];
+          tmp2 = cs[3];
+          cs[2] = tmp2;
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 2:
+          tmp1 = ps[15];
+          tmp2 = ps[11];
+          ps[12] = ps[3];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[7];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = tmp2;
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = tmp1;
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          tmp1 = cs[3];
+          cs[2] = cs[1];
+          cs[3] = ci;
+          cs[0] = tmp1;
+          cs[1] = ci + 1;
+          break;
+
+        case 3:
+          ps[12] = ps[0];
+          ps[13] = pi + 0;
+          ps[14] = pi + 1;
+          ps[15] = pi + 2;
+          ps[8] = ps[1];
+          ps[9] = pi + 9;
+          ps[10] = pi + 10;
+          ps[11] = pi + 3;
+          ps[4] = ps[2];
+          ps[5] = pi + 8;
+          ps[6] = pi + 11;
+          ps[7] = pi + 4;
+          ps[0] = ps[3];
+          ps[1] = pi + 7;
+          ps[2] = pi + 6;
+          ps[3] = pi + 5;
+          cs[2] = cs[0];
+          cs[3] = ci;
+          cs[0] = cs[1];
+          cs[1] = ci + 1;
+          break;
+      }
+
+      mesh.figures.push({
+        type: "patch",
+        coords: new Int32Array(ps),
+        colors: new Int32Array(cs)
+      });
+    }
+  }
+
+  function updateBounds(mesh) {
+    var minX = mesh.coords[0][0],
+        minY = mesh.coords[0][1],
+        maxX = minX,
+        maxY = minY;
+
+    for (var i = 1, ii = mesh.coords.length; i < ii; i++) {
+      var x = mesh.coords[i][0],
+          y = mesh.coords[i][1];
+      minX = minX > x ? x : minX;
+      minY = minY > y ? y : minY;
+      maxX = maxX < x ? x : maxX;
+      maxY = maxY < y ? y : maxY;
+    }
+
+    mesh.bounds = [minX, minY, maxX, maxY];
+  }
+
+  function packData(mesh) {
+    var i, ii, j, jj;
+    var coords = mesh.coords;
+    var coordsPacked = new Float32Array(coords.length * 2);
+
+    for (i = 0, j = 0, ii = coords.length; i < ii; i++) {
+      var xy = coords[i];
+      coordsPacked[j++] = xy[0];
+      coordsPacked[j++] = xy[1];
+    }
+
+    mesh.coords = coordsPacked;
+    var colors = mesh.colors;
+    var colorsPacked = new Uint8Array(colors.length * 3);
+
+    for (i = 0, j = 0, ii = colors.length; i < ii; i++) {
+      var c = colors[i];
+      colorsPacked[j++] = c[0];
+      colorsPacked[j++] = c[1];
+      colorsPacked[j++] = c[2];
+    }
+
+    mesh.colors = colorsPacked;
+    var figures = mesh.figures;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      for (j = 0, jj = ps.length; j < jj; j++) {
+        ps[j] *= 2;
+        cs[j] *= 3;
+      }
+    }
+  }
+
+  function Mesh(stream, matrix, xref, resources, pdfFunctionFactory, localColorSpaceCache) {
+    if (!(0, _primitives.isStream)(stream)) {
+      throw new _util.FormatError("Mesh data is not a stream");
+    }
+
+    var dict = stream.dict;
+    this.matrix = matrix;
+    this.shadingType = dict.get("ShadingType");
+    this.type = "Pattern";
+    const bbox = dict.getArray("BBox");
+
+    if (Array.isArray(bbox) && bbox.length === 4) {
+      this.bbox = _util.Util.normalizeRect(bbox);
+    } else {
+      this.bbox = null;
+    }
+
+    const cs = _colorspace.ColorSpace.parse({
+      cs: dict.getRaw("ColorSpace") || dict.getRaw("CS"),
+      xref,
+      resources,
+      pdfFunctionFactory,
+      localColorSpaceCache
+    });
+
+    this.cs = cs;
+    this.background = dict.has("Background") ? cs.getRgb(dict.get("Background"), 0) : null;
+    var fnObj = dict.getRaw("Function");
+    var fn = fnObj ? pdfFunctionFactory.createFromArray(fnObj) : null;
+    this.coords = [];
+    this.colors = [];
+    this.figures = [];
+    var decodeContext = {
+      bitsPerCoordinate: dict.get("BitsPerCoordinate"),
+      bitsPerComponent: dict.get("BitsPerComponent"),
+      bitsPerFlag: dict.get("BitsPerFlag"),
+      decode: dict.getArray("Decode"),
+      colorFn: fn,
+      colorSpace: cs,
+      numComps: fn ? 1 : cs.numComps
+    };
+    var reader = new MeshStreamReader(stream, decodeContext);
+    var patchMesh = false;
+
+    switch (this.shadingType) {
+      case ShadingType.FREE_FORM_MESH:
+        decodeType4Shading(this, reader);
+        break;
+
+      case ShadingType.LATTICE_FORM_MESH:
+        var verticesPerRow = dict.get("VerticesPerRow") | 0;
+
+        if (verticesPerRow < 2) {
+          throw new _util.FormatError("Invalid VerticesPerRow");
+        }
+
+        decodeType5Shading(this, reader, verticesPerRow);
+        break;
+
+      case ShadingType.COONS_PATCH_MESH:
+        decodeType6Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      case ShadingType.TENSOR_PATCH_MESH:
+        decodeType7Shading(this, reader);
+        patchMesh = true;
+        break;
+
+      default:
+        (0, _util.unreachable)("Unsupported mesh type.");
+        break;
+    }
+
+    if (patchMesh) {
+      updateBounds(this);
+
+      for (var i = 0, ii = this.figures.length; i < ii; i++) {
+        buildFigureFromPatch(this, i);
+      }
+    }
+
+    updateBounds(this);
+    packData(this);
+  }
+
+  Mesh.prototype = {
+    getIR: function Mesh_getIR() {
+      return ["Mesh", this.shadingType, this.coords, this.colors, this.figures, this.bounds, this.matrix, this.bbox, this.background];
+    }
+  };
+  return Mesh;
+}();
+
+Shadings.Dummy = function DummyClosure() {
+  function Dummy() {
+    this.type = "Pattern";
+  }
+
+  Dummy.prototype = {
+    getIR: function Dummy_getIR() {
+      return ["Dummy"];
+    }
+  };
+  return Dummy;
+}();
+
+function getTilingPatternIR(operatorList, dict, args) {
+  const matrix = dict.getArray("Matrix");
+
+  const bbox = _util.Util.normalizeRect(dict.getArray("BBox"));
+
+  const xstep = dict.get("XStep");
+  const ystep = dict.get("YStep");
+  const paintType = dict.get("PaintType");
+  const tilingType = dict.get("TilingType");
+
+  if (bbox[2] - bbox[0] === 0 || bbox[3] - bbox[1] === 0) {
+    throw new _util.FormatError(`Invalid getTilingPatternIR /BBox array: [${bbox}].`);
+  }
+
+  return ["TilingPattern", args, operatorList, matrix, bbox, xstep, ystep, paintType, tilingType];
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/pdf_manager.js b/node_modules/pdfjs-dist/lib/core/pdf_manager.js
new file mode 100644
index 00000000..212fad20
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/pdf_manager.js
@@ -0,0 +1,222 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NetworkPdfManager = exports.LocalPdfManager = void 0;
+
+var _util = require("../shared/util.js");
+
+var _chunked_stream = require("./chunked_stream.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _document = require("./document.js");
+
+var _stream = require("./stream.js");
+
+class BasePdfManager {
+  constructor() {
+    if (this.constructor === BasePdfManager) {
+      (0, _util.unreachable)("Cannot initialize BasePdfManager.");
+    }
+  }
+
+  get docId() {
+    return this._docId;
+  }
+
+  get password() {
+    return this._password;
+  }
+
+  get docBaseUrl() {
+    let docBaseUrl = null;
+
+    if (this._docBaseUrl) {
+      const absoluteUrl = (0, _util.createValidAbsoluteUrl)(this._docBaseUrl);
+
+      if (absoluteUrl) {
+        docBaseUrl = absoluteUrl.href;
+      } else {
+        (0, _util.warn)(`Invalid absolute docBaseUrl: "${this._docBaseUrl}".`);
+      }
+    }
+
+    return (0, _util.shadow)(this, "docBaseUrl", docBaseUrl);
+  }
+
+  onLoadedStream() {
+    (0, _util.unreachable)("Abstract method `onLoadedStream` called");
+  }
+
+  ensureDoc(prop, args) {
+    return this.ensure(this.pdfDocument, prop, args);
+  }
+
+  ensureXRef(prop, args) {
+    return this.ensure(this.pdfDocument.xref, prop, args);
+  }
+
+  ensureCatalog(prop, args) {
+    return this.ensure(this.pdfDocument.catalog, prop, args);
+  }
+
+  getPage(pageIndex) {
+    return this.pdfDocument.getPage(pageIndex);
+  }
+
+  fontFallback(id, handler) {
+    return this.pdfDocument.fontFallback(id, handler);
+  }
+
+  cleanup(manuallyTriggered = false) {
+    return this.pdfDocument.cleanup(manuallyTriggered);
+  }
+
+  async ensure(obj, prop, args) {
+    (0, _util.unreachable)("Abstract method `ensure` called");
+  }
+
+  requestRange(begin, end) {
+    (0, _util.unreachable)("Abstract method `requestRange` called");
+  }
+
+  requestLoadedStream() {
+    (0, _util.unreachable)("Abstract method `requestLoadedStream` called");
+  }
+
+  sendProgressiveData(chunk) {
+    (0, _util.unreachable)("Abstract method `sendProgressiveData` called");
+  }
+
+  updatePassword(password) {
+    this._password = password;
+  }
+
+  terminate(reason) {
+    (0, _util.unreachable)("Abstract method `terminate` called");
+  }
+
+}
+
+class LocalPdfManager extends BasePdfManager {
+  constructor(docId, data, password, evaluatorOptions, docBaseUrl) {
+    super();
+    this._docId = docId;
+    this._password = password;
+    this._docBaseUrl = docBaseUrl;
+    this.evaluatorOptions = evaluatorOptions;
+    const stream = new _stream.Stream(data);
+    this.pdfDocument = new _document.PDFDocument(this, stream);
+    this._loadedStreamPromise = Promise.resolve(stream);
+  }
+
+  async ensure(obj, prop, args) {
+    const value = obj[prop];
+
+    if (typeof value === "function") {
+      return value.apply(obj, args);
+    }
+
+    return value;
+  }
+
+  requestRange(begin, end) {
+    return Promise.resolve();
+  }
+
+  requestLoadedStream() {}
+
+  onLoadedStream() {
+    return this._loadedStreamPromise;
+  }
+
+  terminate(reason) {}
+
+}
+
+exports.LocalPdfManager = LocalPdfManager;
+
+class NetworkPdfManager extends BasePdfManager {
+  constructor(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {
+    super();
+    this._docId = docId;
+    this._password = args.password;
+    this._docBaseUrl = docBaseUrl;
+    this.msgHandler = args.msgHandler;
+    this.evaluatorOptions = evaluatorOptions;
+    this.streamManager = new _chunked_stream.ChunkedStreamManager(pdfNetworkStream, {
+      msgHandler: args.msgHandler,
+      length: args.length,
+      disableAutoFetch: args.disableAutoFetch,
+      rangeChunkSize: args.rangeChunkSize
+    });
+    this.pdfDocument = new _document.PDFDocument(this, this.streamManager.getStream());
+  }
+
+  async ensure(obj, prop, args) {
+    try {
+      const value = obj[prop];
+
+      if (typeof value === "function") {
+        return value.apply(obj, args);
+      }
+
+      return value;
+    } catch (ex) {
+      if (!(ex instanceof _core_utils.MissingDataException)) {
+        throw ex;
+      }
+
+      await this.requestRange(ex.begin, ex.end);
+      return this.ensure(obj, prop, args);
+    }
+  }
+
+  requestRange(begin, end) {
+    return this.streamManager.requestRange(begin, end);
+  }
+
+  requestLoadedStream() {
+    this.streamManager.requestAllChunks();
+  }
+
+  sendProgressiveData(chunk) {
+    this.streamManager.onReceiveData({
+      chunk
+    });
+  }
+
+  onLoadedStream() {
+    return this.streamManager.onLoadedStream();
+  }
+
+  terminate(reason) {
+    this.streamManager.abort(reason);
+  }
+
+}
+
+exports.NetworkPdfManager = NetworkPdfManager;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/primitives.js b/node_modules/pdfjs-dist/lib/core/primitives.js
new file mode 100644
index 00000000..90effcd9
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/primitives.js
@@ -0,0 +1,392 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.clearPrimitiveCaches = clearPrimitiveCaches;
+exports.isEOF = isEOF;
+exports.isCmd = isCmd;
+exports.isDict = isDict;
+exports.isName = isName;
+exports.isRef = isRef;
+exports.isRefsEqual = isRefsEqual;
+exports.isStream = isStream;
+exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.Dict = exports.Cmd = exports.EOF = void 0;
+
+var _util = require("../shared/util.js");
+
+var EOF = {};
+exports.EOF = EOF;
+
+var Name = function NameClosure() {
+  let nameCache = Object.create(null);
+
+  function Name(name) {
+    this.name = name;
+  }
+
+  Name.prototype = {};
+
+  Name.get = function Name_get(name) {
+    var nameValue = nameCache[name];
+    return nameValue ? nameValue : nameCache[name] = new Name(name);
+  };
+
+  Name._clearCache = function () {
+    nameCache = Object.create(null);
+  };
+
+  return Name;
+}();
+
+exports.Name = Name;
+
+var Cmd = function CmdClosure() {
+  let cmdCache = Object.create(null);
+
+  function Cmd(cmd) {
+    this.cmd = cmd;
+  }
+
+  Cmd.prototype = {};
+
+  Cmd.get = function Cmd_get(cmd) {
+    var cmdValue = cmdCache[cmd];
+    return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
+  };
+
+  Cmd._clearCache = function () {
+    cmdCache = Object.create(null);
+  };
+
+  return Cmd;
+}();
+
+exports.Cmd = Cmd;
+
+var Dict = function DictClosure() {
+  var nonSerializable = function nonSerializableClosure() {
+    return nonSerializable;
+  };
+
+  function Dict(xref) {
+    this._map = Object.create(null);
+    this.xref = xref;
+    this.objId = null;
+    this.suppressEncryption = false;
+    this.__nonSerializable__ = nonSerializable;
+  }
+
+  Dict.prototype = {
+    assignXref: function Dict_assignXref(newXref) {
+      this.xref = newXref;
+    },
+
+    get size() {
+      return Object.keys(this._map).length;
+    },
+
+    get(key1, key2, key3) {
+      let value = this._map[key1];
+
+      if (value === undefined && key2 !== undefined) {
+        value = this._map[key2];
+
+        if (value === undefined && key3 !== undefined) {
+          value = this._map[key3];
+        }
+      }
+
+      if (value instanceof Ref && this.xref) {
+        return this.xref.fetch(value, this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    async getAsync(key1, key2, key3) {
+      let value = this._map[key1];
+
+      if (value === undefined && key2 !== undefined) {
+        value = this._map[key2];
+
+        if (value === undefined && key3 !== undefined) {
+          value = this._map[key3];
+        }
+      }
+
+      if (value instanceof Ref && this.xref) {
+        return this.xref.fetchAsync(value, this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    getArray(key1, key2, key3) {
+      let value = this.get(key1, key2, key3);
+
+      if (!Array.isArray(value) || !this.xref) {
+        return value;
+      }
+
+      value = value.slice();
+
+      for (let i = 0, ii = value.length; i < ii; i++) {
+        if (!(value[i] instanceof Ref)) {
+          continue;
+        }
+
+        value[i] = this.xref.fetch(value[i], this.suppressEncryption);
+      }
+
+      return value;
+    },
+
+    getRaw: function Dict_getRaw(key) {
+      return this._map[key];
+    },
+    getKeys: function Dict_getKeys() {
+      return Object.keys(this._map);
+    },
+    getRawValues: function Dict_getRawValues() {
+      return Object.values(this._map);
+    },
+    set: function Dict_set(key, value) {
+      this._map[key] = value;
+    },
+    has: function Dict_has(key) {
+      return this._map[key] !== undefined;
+    },
+    forEach: function Dict_forEach(callback) {
+      for (var key in this._map) {
+        callback(key, this.get(key));
+      }
+    }
+  };
+  Dict.empty = new Dict(null);
+
+  Dict.merge = function ({
+    xref,
+    dictArray,
+    mergeSubDicts = false
+  }) {
+    const mergedDict = new Dict(xref);
+
+    if (!mergeSubDicts) {
+      for (const dict of dictArray) {
+        if (!(dict instanceof Dict)) {
+          continue;
+        }
+
+        for (const [key, value] of Object.entries(dict._map)) {
+          if (mergedDict._map[key] === undefined) {
+            mergedDict._map[key] = value;
+          }
+        }
+      }
+
+      return mergedDict.size > 0 ? mergedDict : Dict.empty;
+    }
+
+    const properties = new Map();
+
+    for (const dict of dictArray) {
+      if (!(dict instanceof Dict)) {
+        continue;
+      }
+
+      for (const [key, value] of Object.entries(dict._map)) {
+        let property = properties.get(key);
+
+        if (property === undefined) {
+          property = [];
+          properties.set(key, property);
+        }
+
+        property.push(value);
+      }
+    }
+
+    for (const [name, values] of properties) {
+      if (values.length === 1 || !(values[0] instanceof Dict)) {
+        mergedDict._map[name] = values[0];
+        continue;
+      }
+
+      const subDict = new Dict(xref);
+
+      for (const dict of values) {
+        if (!(dict instanceof Dict)) {
+          continue;
+        }
+
+        for (const [key, value] of Object.entries(dict._map)) {
+          if (subDict._map[key] === undefined) {
+            subDict._map[key] = value;
+          }
+        }
+      }
+
+      if (subDict.size > 0) {
+        mergedDict._map[name] = subDict;
+      }
+    }
+
+    properties.clear();
+    return mergedDict.size > 0 ? mergedDict : Dict.empty;
+  };
+
+  return Dict;
+}();
+
+exports.Dict = Dict;
+
+var Ref = function RefClosure() {
+  let refCache = Object.create(null);
+
+  function Ref(num, gen) {
+    this.num = num;
+    this.gen = gen;
+  }
+
+  Ref.prototype = {
+    toString: function Ref_toString() {
+      if (this.gen === 0) {
+        return `${this.num}R`;
+      }
+
+      return `${this.num}R${this.gen}`;
+    }
+  };
+
+  Ref.get = function (num, gen) {
+    const key = gen === 0 ? `${num}R` : `${num}R${gen}`;
+    const refValue = refCache[key];
+    return refValue ? refValue : refCache[key] = new Ref(num, gen);
+  };
+
+  Ref._clearCache = function () {
+    refCache = Object.create(null);
+  };
+
+  return Ref;
+}();
+
+exports.Ref = Ref;
+
+class RefSet {
+  constructor() {
+    this._set = new Set();
+  }
+
+  has(ref) {
+    return this._set.has(ref.toString());
+  }
+
+  put(ref) {
+    this._set.add(ref.toString());
+  }
+
+  remove(ref) {
+    this._set.delete(ref.toString());
+  }
+
+}
+
+exports.RefSet = RefSet;
+
+class RefSetCache {
+  constructor() {
+    this._map = new Map();
+  }
+
+  get size() {
+    return this._map.size;
+  }
+
+  get(ref) {
+    return this._map.get(ref.toString());
+  }
+
+  has(ref) {
+    return this._map.has(ref.toString());
+  }
+
+  put(ref, obj) {
+    this._map.set(ref.toString(), obj);
+  }
+
+  putAlias(ref, aliasRef) {
+    this._map.set(ref.toString(), this.get(aliasRef));
+  }
+
+  forEach(callback) {
+    for (const value of this._map.values()) {
+      callback(value);
+    }
+  }
+
+  clear() {
+    this._map.clear();
+  }
+
+}
+
+exports.RefSetCache = RefSetCache;
+
+function isEOF(v) {
+  return v === EOF;
+}
+
+function isName(v, name) {
+  return v instanceof Name && (name === undefined || v.name === name);
+}
+
+function isCmd(v, cmd) {
+  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
+}
+
+function isDict(v, type) {
+  return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
+}
+
+function isRef(v) {
+  return v instanceof Ref;
+}
+
+function isRefsEqual(v1, v2) {
+  return v1.num === v2.num && v1.gen === v2.gen;
+}
+
+function isStream(v) {
+  return typeof v === "object" && v !== null && v.getBytes !== undefined;
+}
+
+function clearPrimitiveCaches() {
+  Cmd._clearCache();
+
+  Name._clearCache();
+
+  Ref._clearCache();
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/ps_parser.js b/node_modules/pdfjs-dist/lib/core/ps_parser.js
new file mode 100644
index 00000000..2b327741
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/ps_parser.js
@@ -0,0 +1,269 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PostScriptParser = exports.PostScriptLexer = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+class PostScriptParser {
+  constructor(lexer) {
+    this.lexer = lexer;
+    this.operators = [];
+    this.token = null;
+    this.prev = null;
+  }
+
+  nextToken() {
+    this.prev = this.token;
+    this.token = this.lexer.getToken();
+  }
+
+  accept(type) {
+    if (this.token.type === type) {
+      this.nextToken();
+      return true;
+    }
+
+    return false;
+  }
+
+  expect(type) {
+    if (this.accept(type)) {
+      return true;
+    }
+
+    throw new _util.FormatError(`Unexpected symbol: found ${this.token.type} expected ${type}.`);
+  }
+
+  parse() {
+    this.nextToken();
+    this.expect(PostScriptTokenTypes.LBRACE);
+    this.parseBlock();
+    this.expect(PostScriptTokenTypes.RBRACE);
+    return this.operators;
+  }
+
+  parseBlock() {
+    while (true) {
+      if (this.accept(PostScriptTokenTypes.NUMBER)) {
+        this.operators.push(this.prev.value);
+      } else if (this.accept(PostScriptTokenTypes.OPERATOR)) {
+        this.operators.push(this.prev.value);
+      } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+        this.parseCondition();
+      } else {
+        return;
+      }
+    }
+  }
+
+  parseCondition() {
+    const conditionLocation = this.operators.length;
+    this.operators.push(null, null);
+    this.parseBlock();
+    this.expect(PostScriptTokenTypes.RBRACE);
+
+    if (this.accept(PostScriptTokenTypes.IF)) {
+      this.operators[conditionLocation] = this.operators.length;
+      this.operators[conditionLocation + 1] = "jz";
+    } else if (this.accept(PostScriptTokenTypes.LBRACE)) {
+      const jumpLocation = this.operators.length;
+      this.operators.push(null, null);
+      const endOfTrue = this.operators.length;
+      this.parseBlock();
+      this.expect(PostScriptTokenTypes.RBRACE);
+      this.expect(PostScriptTokenTypes.IFELSE);
+      this.operators[jumpLocation] = this.operators.length;
+      this.operators[jumpLocation + 1] = "j";
+      this.operators[conditionLocation] = endOfTrue;
+      this.operators[conditionLocation + 1] = "jz";
+    } else {
+      throw new _util.FormatError("PS Function: error parsing conditional.");
+    }
+  }
+
+}
+
+exports.PostScriptParser = PostScriptParser;
+const PostScriptTokenTypes = {
+  LBRACE: 0,
+  RBRACE: 1,
+  NUMBER: 2,
+  OPERATOR: 3,
+  IF: 4,
+  IFELSE: 5
+};
+
+const PostScriptToken = function PostScriptTokenClosure() {
+  const opCache = Object.create(null);
+
+  class PostScriptToken {
+    constructor(type, value) {
+      this.type = type;
+      this.value = value;
+    }
+
+    static getOperator(op) {
+      const opValue = opCache[op];
+
+      if (opValue) {
+        return opValue;
+      }
+
+      return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op);
+    }
+
+    static get LBRACE() {
+      return (0, _util.shadow)(this, "LBRACE", new PostScriptToken(PostScriptTokenTypes.LBRACE, "{"));
+    }
+
+    static get RBRACE() {
+      return (0, _util.shadow)(this, "RBRACE", new PostScriptToken(PostScriptTokenTypes.RBRACE, "}"));
+    }
+
+    static get IF() {
+      return (0, _util.shadow)(this, "IF", new PostScriptToken(PostScriptTokenTypes.IF, "IF"));
+    }
+
+    static get IFELSE() {
+      return (0, _util.shadow)(this, "IFELSE", new PostScriptToken(PostScriptTokenTypes.IFELSE, "IFELSE"));
+    }
+
+  }
+
+  return PostScriptToken;
+}();
+
+class PostScriptLexer {
+  constructor(stream) {
+    this.stream = stream;
+    this.nextChar();
+    this.strBuf = [];
+  }
+
+  nextChar() {
+    return this.currentChar = this.stream.getByte();
+  }
+
+  getToken() {
+    let comment = false;
+    let ch = this.currentChar;
+
+    while (true) {
+      if (ch < 0) {
+        return _primitives.EOF;
+      }
+
+      if (comment) {
+        if (ch === 0x0a || ch === 0x0d) {
+          comment = false;
+        }
+      } else if (ch === 0x25) {
+        comment = true;
+      } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+        break;
+      }
+
+      ch = this.nextChar();
+    }
+
+    switch (ch | 0) {
+      case 0x30:
+      case 0x31:
+      case 0x32:
+      case 0x33:
+      case 0x34:
+      case 0x35:
+      case 0x36:
+      case 0x37:
+      case 0x38:
+      case 0x39:
+      case 0x2b:
+      case 0x2d:
+      case 0x2e:
+        return new PostScriptToken(PostScriptTokenTypes.NUMBER, this.getNumber());
+
+      case 0x7b:
+        this.nextChar();
+        return PostScriptToken.LBRACE;
+
+      case 0x7d:
+        this.nextChar();
+        return PostScriptToken.RBRACE;
+    }
+
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    strBuf[0] = String.fromCharCode(ch);
+
+    while ((ch = this.nextChar()) >= 0 && (ch >= 0x41 && ch <= 0x5a || ch >= 0x61 && ch <= 0x7a)) {
+      strBuf.push(String.fromCharCode(ch));
+    }
+
+    const str = strBuf.join("");
+
+    switch (str.toLowerCase()) {
+      case "if":
+        return PostScriptToken.IF;
+
+      case "ifelse":
+        return PostScriptToken.IFELSE;
+
+      default:
+        return PostScriptToken.getOperator(str);
+    }
+  }
+
+  getNumber() {
+    let ch = this.currentChar;
+    const strBuf = this.strBuf;
+    strBuf.length = 0;
+    strBuf[0] = String.fromCharCode(ch);
+
+    while ((ch = this.nextChar()) >= 0) {
+      if (ch >= 0x30 && ch <= 0x39 || ch === 0x2d || ch === 0x2e) {
+        strBuf.push(String.fromCharCode(ch));
+      } else {
+        break;
+      }
+    }
+
+    const value = parseFloat(strBuf.join(""));
+
+    if (isNaN(value)) {
+      throw new _util.FormatError(`Invalid floating point number: ${value}`);
+    }
+
+    return value;
+  }
+
+}
+
+exports.PostScriptLexer = PostScriptLexer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/standard_fonts.js b/node_modules/pdfjs-dist/lib/core/standard_fonts.js
new file mode 100644
index 00000000..a532cd62
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/standard_fonts.js
@@ -0,0 +1,759 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getSupplementalGlyphMapForCalibri = exports.getSupplementalGlyphMapForArialBlack = exports.getGlyphMapForStandardFonts = exports.getSymbolsFonts = exports.getSerifFonts = exports.getNonStdFontMap = exports.getStdFontMap = void 0;
+
+var _core_utils = require("./core_utils.js");
+
+const getStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.ArialNarrow = "Helvetica";
+  t["ArialNarrow-Bold"] = "Helvetica-Bold";
+  t["ArialNarrow-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialNarrow-Italic"] = "Helvetica-Oblique";
+  t.ArialBlack = "Helvetica";
+  t["ArialBlack-Bold"] = "Helvetica-Bold";
+  t["ArialBlack-BoldItalic"] = "Helvetica-BoldOblique";
+  t["ArialBlack-Italic"] = "Helvetica-Oblique";
+  t["Arial-Black"] = "Helvetica";
+  t["Arial-Black-Bold"] = "Helvetica-Bold";
+  t["Arial-Black-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Black-Italic"] = "Helvetica-Oblique";
+  t.Arial = "Helvetica";
+  t["Arial-Bold"] = "Helvetica-Bold";
+  t["Arial-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Arial-Italic"] = "Helvetica-Oblique";
+  t["Arial-BoldItalicMT"] = "Helvetica-BoldOblique";
+  t["Arial-BoldMT"] = "Helvetica-Bold";
+  t["Arial-ItalicMT"] = "Helvetica-Oblique";
+  t.ArialMT = "Helvetica";
+  t["Courier-Bold"] = "Courier-Bold";
+  t["Courier-BoldItalic"] = "Courier-BoldOblique";
+  t["Courier-Italic"] = "Courier-Oblique";
+  t.CourierNew = "Courier";
+  t["CourierNew-Bold"] = "Courier-Bold";
+  t["CourierNew-BoldItalic"] = "Courier-BoldOblique";
+  t["CourierNew-Italic"] = "Courier-Oblique";
+  t["CourierNewPS-BoldItalicMT"] = "Courier-BoldOblique";
+  t["CourierNewPS-BoldMT"] = "Courier-Bold";
+  t["CourierNewPS-ItalicMT"] = "Courier-Oblique";
+  t.CourierNewPSMT = "Courier";
+  t.Helvetica = "Helvetica";
+  t["Helvetica-Bold"] = "Helvetica-Bold";
+  t["Helvetica-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Helvetica-BoldOblique"] = "Helvetica-BoldOblique";
+  t["Helvetica-Italic"] = "Helvetica-Oblique";
+  t["Helvetica-Oblique"] = "Helvetica-Oblique";
+  t["Symbol-Bold"] = "Symbol";
+  t["Symbol-BoldItalic"] = "Symbol";
+  t["Symbol-Italic"] = "Symbol";
+  t.TimesNewRoman = "Times-Roman";
+  t["TimesNewRoman-Bold"] = "Times-Bold";
+  t["TimesNewRoman-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRoman-Italic"] = "Times-Italic";
+  t.TimesNewRomanPS = "Times-Roman";
+  t["TimesNewRomanPS-Bold"] = "Times-Bold";
+  t["TimesNewRomanPS-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldItalicMT"] = "Times-BoldItalic";
+  t["TimesNewRomanPS-BoldMT"] = "Times-Bold";
+  t["TimesNewRomanPS-Italic"] = "Times-Italic";
+  t["TimesNewRomanPS-ItalicMT"] = "Times-Italic";
+  t.TimesNewRomanPSMT = "Times-Roman";
+  t["TimesNewRomanPSMT-Bold"] = "Times-Bold";
+  t["TimesNewRomanPSMT-BoldItalic"] = "Times-BoldItalic";
+  t["TimesNewRomanPSMT-Italic"] = "Times-Italic";
+});
+exports.getStdFontMap = getStdFontMap;
+const getNonStdFontMap = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Calibri = "Helvetica";
+  t["Calibri-Bold"] = "Helvetica-Bold";
+  t["Calibri-BoldItalic"] = "Helvetica-BoldOblique";
+  t["Calibri-Italic"] = "Helvetica-Oblique";
+  t.CenturyGothic = "Helvetica";
+  t["CenturyGothic-Bold"] = "Helvetica-Bold";
+  t["CenturyGothic-BoldItalic"] = "Helvetica-BoldOblique";
+  t["CenturyGothic-Italic"] = "Helvetica-Oblique";
+  t.ComicSansMS = "Comic Sans MS";
+  t["ComicSansMS-Bold"] = "Comic Sans MS-Bold";
+  t["ComicSansMS-BoldItalic"] = "Comic Sans MS-BoldItalic";
+  t["ComicSansMS-Italic"] = "Comic Sans MS-Italic";
+  t.LucidaConsole = "Courier";
+  t["LucidaConsole-Bold"] = "Courier-Bold";
+  t["LucidaConsole-BoldItalic"] = "Courier-BoldOblique";
+  t["LucidaConsole-Italic"] = "Courier-Oblique";
+  t["LucidaSans-Demi"] = "Helvetica-Bold";
+  t["MS-Gothic"] = "MS Gothic";
+  t["MS-Gothic-Bold"] = "MS Gothic-Bold";
+  t["MS-Gothic-BoldItalic"] = "MS Gothic-BoldItalic";
+  t["MS-Gothic-Italic"] = "MS Gothic-Italic";
+  t["MS-Mincho"] = "MS Mincho";
+  t["MS-Mincho-Bold"] = "MS Mincho-Bold";
+  t["MS-Mincho-BoldItalic"] = "MS Mincho-BoldItalic";
+  t["MS-Mincho-Italic"] = "MS Mincho-Italic";
+  t["MS-PGothic"] = "MS PGothic";
+  t["MS-PGothic-Bold"] = "MS PGothic-Bold";
+  t["MS-PGothic-BoldItalic"] = "MS PGothic-BoldItalic";
+  t["MS-PGothic-Italic"] = "MS PGothic-Italic";
+  t["MS-PMincho"] = "MS PMincho";
+  t["MS-PMincho-Bold"] = "MS PMincho-Bold";
+  t["MS-PMincho-BoldItalic"] = "MS PMincho-BoldItalic";
+  t["MS-PMincho-Italic"] = "MS PMincho-Italic";
+  t.NuptialScript = "Times-Italic";
+  t.SegoeUISymbol = "Helvetica";
+  t.Wingdings = "ZapfDingbats";
+  t["Wingdings-Regular"] = "ZapfDingbats";
+});
+exports.getNonStdFontMap = getNonStdFontMap;
+const getSerifFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t["Adobe Jenson"] = true;
+  t["Adobe Text"] = true;
+  t.Albertus = true;
+  t.Aldus = true;
+  t.Alexandria = true;
+  t.Algerian = true;
+  t["American Typewriter"] = true;
+  t.Antiqua = true;
+  t.Apex = true;
+  t.Arno = true;
+  t.Aster = true;
+  t.Aurora = true;
+  t.Baskerville = true;
+  t.Bell = true;
+  t.Bembo = true;
+  t["Bembo Schoolbook"] = true;
+  t.Benguiat = true;
+  t["Berkeley Old Style"] = true;
+  t["Bernhard Modern"] = true;
+  t["Berthold City"] = true;
+  t.Bodoni = true;
+  t["Bauer Bodoni"] = true;
+  t["Book Antiqua"] = true;
+  t.Bookman = true;
+  t["Bordeaux Roman"] = true;
+  t["Californian FB"] = true;
+  t.Calisto = true;
+  t.Calvert = true;
+  t.Capitals = true;
+  t.Cambria = true;
+  t.Cartier = true;
+  t.Caslon = true;
+  t.Catull = true;
+  t.Centaur = true;
+  t["Century Old Style"] = true;
+  t["Century Schoolbook"] = true;
+  t.Chaparral = true;
+  t["Charis SIL"] = true;
+  t.Cheltenham = true;
+  t["Cholla Slab"] = true;
+  t.Clarendon = true;
+  t.Clearface = true;
+  t.Cochin = true;
+  t.Colonna = true;
+  t["Computer Modern"] = true;
+  t["Concrete Roman"] = true;
+  t.Constantia = true;
+  t["Cooper Black"] = true;
+  t.Corona = true;
+  t.Ecotype = true;
+  t.Egyptienne = true;
+  t.Elephant = true;
+  t.Excelsior = true;
+  t.Fairfield = true;
+  t["FF Scala"] = true;
+  t.Folkard = true;
+  t.Footlight = true;
+  t.FreeSerif = true;
+  t["Friz Quadrata"] = true;
+  t.Garamond = true;
+  t.Gentium = true;
+  t.Georgia = true;
+  t.Gloucester = true;
+  t["Goudy Old Style"] = true;
+  t["Goudy Schoolbook"] = true;
+  t["Goudy Pro Font"] = true;
+  t.Granjon = true;
+  t["Guardian Egyptian"] = true;
+  t.Heather = true;
+  t.Hercules = true;
+  t["High Tower Text"] = true;
+  t.Hiroshige = true;
+  t["Hoefler Text"] = true;
+  t["Humana Serif"] = true;
+  t.Imprint = true;
+  t["Ionic No. 5"] = true;
+  t.Janson = true;
+  t.Joanna = true;
+  t.Korinna = true;
+  t.Lexicon = true;
+  t["Liberation Serif"] = true;
+  t["Linux Libertine"] = true;
+  t.Literaturnaya = true;
+  t.Lucida = true;
+  t["Lucida Bright"] = true;
+  t.Melior = true;
+  t.Memphis = true;
+  t.Miller = true;
+  t.Minion = true;
+  t.Modern = true;
+  t["Mona Lisa"] = true;
+  t["Mrs Eaves"] = true;
+  t["MS Serif"] = true;
+  t["Museo Slab"] = true;
+  t["New York"] = true;
+  t["Nimbus Roman"] = true;
+  t["NPS Rawlinson Roadway"] = true;
+  t.NuptialScript = true;
+  t.Palatino = true;
+  t.Perpetua = true;
+  t.Plantin = true;
+  t["Plantin Schoolbook"] = true;
+  t.Playbill = true;
+  t["Poor Richard"] = true;
+  t["Rawlinson Roadway"] = true;
+  t.Renault = true;
+  t.Requiem = true;
+  t.Rockwell = true;
+  t.Roman = true;
+  t["Rotis Serif"] = true;
+  t.Sabon = true;
+  t.Scala = true;
+  t.Seagull = true;
+  t.Sistina = true;
+  t.Souvenir = true;
+  t.STIX = true;
+  t["Stone Informal"] = true;
+  t["Stone Serif"] = true;
+  t.Sylfaen = true;
+  t.Times = true;
+  t.Trajan = true;
+  t["Trinité"] = true;
+  t["Trump Mediaeval"] = true;
+  t.Utopia = true;
+  t["Vale Type"] = true;
+  t["Bitstream Vera"] = true;
+  t["Vera Serif"] = true;
+  t.Versailles = true;
+  t.Wanted = true;
+  t.Weiss = true;
+  t["Wide Latin"] = true;
+  t.Windsor = true;
+  t.XITS = true;
+});
+exports.getSerifFonts = getSerifFonts;
+const getSymbolsFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t.Dingbats = true;
+  t.Symbol = true;
+  t.ZapfDingbats = true;
+});
+exports.getSymbolsFonts = getSymbolsFonts;
+const getGlyphMapForStandardFonts = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[2] = 10;
+  t[3] = 32;
+  t[4] = 33;
+  t[5] = 34;
+  t[6] = 35;
+  t[7] = 36;
+  t[8] = 37;
+  t[9] = 38;
+  t[10] = 39;
+  t[11] = 40;
+  t[12] = 41;
+  t[13] = 42;
+  t[14] = 43;
+  t[15] = 44;
+  t[16] = 45;
+  t[17] = 46;
+  t[18] = 47;
+  t[19] = 48;
+  t[20] = 49;
+  t[21] = 50;
+  t[22] = 51;
+  t[23] = 52;
+  t[24] = 53;
+  t[25] = 54;
+  t[26] = 55;
+  t[27] = 56;
+  t[28] = 57;
+  t[29] = 58;
+  t[30] = 894;
+  t[31] = 60;
+  t[32] = 61;
+  t[33] = 62;
+  t[34] = 63;
+  t[35] = 64;
+  t[36] = 65;
+  t[37] = 66;
+  t[38] = 67;
+  t[39] = 68;
+  t[40] = 69;
+  t[41] = 70;
+  t[42] = 71;
+  t[43] = 72;
+  t[44] = 73;
+  t[45] = 74;
+  t[46] = 75;
+  t[47] = 76;
+  t[48] = 77;
+  t[49] = 78;
+  t[50] = 79;
+  t[51] = 80;
+  t[52] = 81;
+  t[53] = 82;
+  t[54] = 83;
+  t[55] = 84;
+  t[56] = 85;
+  t[57] = 86;
+  t[58] = 87;
+  t[59] = 88;
+  t[60] = 89;
+  t[61] = 90;
+  t[62] = 91;
+  t[63] = 92;
+  t[64] = 93;
+  t[65] = 94;
+  t[66] = 95;
+  t[67] = 96;
+  t[68] = 97;
+  t[69] = 98;
+  t[70] = 99;
+  t[71] = 100;
+  t[72] = 101;
+  t[73] = 102;
+  t[74] = 103;
+  t[75] = 104;
+  t[76] = 105;
+  t[77] = 106;
+  t[78] = 107;
+  t[79] = 108;
+  t[80] = 109;
+  t[81] = 110;
+  t[82] = 111;
+  t[83] = 112;
+  t[84] = 113;
+  t[85] = 114;
+  t[86] = 115;
+  t[87] = 116;
+  t[88] = 117;
+  t[89] = 118;
+  t[90] = 119;
+  t[91] = 120;
+  t[92] = 121;
+  t[93] = 122;
+  t[94] = 123;
+  t[95] = 124;
+  t[96] = 125;
+  t[97] = 126;
+  t[98] = 196;
+  t[99] = 197;
+  t[100] = 199;
+  t[101] = 201;
+  t[102] = 209;
+  t[103] = 214;
+  t[104] = 220;
+  t[105] = 225;
+  t[106] = 224;
+  t[107] = 226;
+  t[108] = 228;
+  t[109] = 227;
+  t[110] = 229;
+  t[111] = 231;
+  t[112] = 233;
+  t[113] = 232;
+  t[114] = 234;
+  t[115] = 235;
+  t[116] = 237;
+  t[117] = 236;
+  t[118] = 238;
+  t[119] = 239;
+  t[120] = 241;
+  t[121] = 243;
+  t[122] = 242;
+  t[123] = 244;
+  t[124] = 246;
+  t[125] = 245;
+  t[126] = 250;
+  t[127] = 249;
+  t[128] = 251;
+  t[129] = 252;
+  t[130] = 8224;
+  t[131] = 176;
+  t[132] = 162;
+  t[133] = 163;
+  t[134] = 167;
+  t[135] = 8226;
+  t[136] = 182;
+  t[137] = 223;
+  t[138] = 174;
+  t[139] = 169;
+  t[140] = 8482;
+  t[141] = 180;
+  t[142] = 168;
+  t[143] = 8800;
+  t[144] = 198;
+  t[145] = 216;
+  t[146] = 8734;
+  t[147] = 177;
+  t[148] = 8804;
+  t[149] = 8805;
+  t[150] = 165;
+  t[151] = 181;
+  t[152] = 8706;
+  t[153] = 8721;
+  t[154] = 8719;
+  t[156] = 8747;
+  t[157] = 170;
+  t[158] = 186;
+  t[159] = 8486;
+  t[160] = 230;
+  t[161] = 248;
+  t[162] = 191;
+  t[163] = 161;
+  t[164] = 172;
+  t[165] = 8730;
+  t[166] = 402;
+  t[167] = 8776;
+  t[168] = 8710;
+  t[169] = 171;
+  t[170] = 187;
+  t[171] = 8230;
+  t[210] = 218;
+  t[223] = 711;
+  t[224] = 321;
+  t[225] = 322;
+  t[227] = 353;
+  t[229] = 382;
+  t[234] = 253;
+  t[252] = 263;
+  t[253] = 268;
+  t[254] = 269;
+  t[258] = 258;
+  t[260] = 260;
+  t[261] = 261;
+  t[265] = 280;
+  t[266] = 281;
+  t[268] = 283;
+  t[269] = 313;
+  t[275] = 323;
+  t[276] = 324;
+  t[278] = 328;
+  t[284] = 345;
+  t[285] = 346;
+  t[286] = 347;
+  t[292] = 367;
+  t[295] = 377;
+  t[296] = 378;
+  t[298] = 380;
+  t[305] = 963;
+  t[306] = 964;
+  t[307] = 966;
+  t[308] = 8215;
+  t[309] = 8252;
+  t[310] = 8319;
+  t[311] = 8359;
+  t[312] = 8592;
+  t[313] = 8593;
+  t[337] = 9552;
+  t[493] = 1039;
+  t[494] = 1040;
+  t[705] = 1524;
+  t[706] = 8362;
+  t[710] = 64288;
+  t[711] = 64298;
+  t[759] = 1617;
+  t[761] = 1776;
+  t[763] = 1778;
+  t[775] = 1652;
+  t[777] = 1764;
+  t[778] = 1780;
+  t[779] = 1781;
+  t[780] = 1782;
+  t[782] = 771;
+  t[783] = 64726;
+  t[786] = 8363;
+  t[788] = 8532;
+  t[790] = 768;
+  t[791] = 769;
+  t[792] = 768;
+  t[795] = 803;
+  t[797] = 64336;
+  t[798] = 64337;
+  t[799] = 64342;
+  t[800] = 64343;
+  t[801] = 64344;
+  t[802] = 64345;
+  t[803] = 64362;
+  t[804] = 64363;
+  t[805] = 64364;
+  t[2424] = 7821;
+  t[2425] = 7822;
+  t[2426] = 7823;
+  t[2427] = 7824;
+  t[2428] = 7825;
+  t[2429] = 7826;
+  t[2430] = 7827;
+  t[2433] = 7682;
+  t[2678] = 8045;
+  t[2679] = 8046;
+  t[2830] = 1552;
+  t[2838] = 686;
+  t[2840] = 751;
+  t[2842] = 753;
+  t[2843] = 754;
+  t[2844] = 755;
+  t[2846] = 757;
+  t[2856] = 767;
+  t[2857] = 848;
+  t[2858] = 849;
+  t[2862] = 853;
+  t[2863] = 854;
+  t[2864] = 855;
+  t[2865] = 861;
+  t[2866] = 862;
+  t[2906] = 7460;
+  t[2908] = 7462;
+  t[2909] = 7463;
+  t[2910] = 7464;
+  t[2912] = 7466;
+  t[2913] = 7467;
+  t[2914] = 7468;
+  t[2916] = 7470;
+  t[2917] = 7471;
+  t[2918] = 7472;
+  t[2920] = 7474;
+  t[2921] = 7475;
+  t[2922] = 7476;
+  t[2924] = 7478;
+  t[2925] = 7479;
+  t[2926] = 7480;
+  t[2928] = 7482;
+  t[2929] = 7483;
+  t[2930] = 7484;
+  t[2932] = 7486;
+  t[2933] = 7487;
+  t[2934] = 7488;
+  t[2936] = 7490;
+  t[2937] = 7491;
+  t[2938] = 7492;
+  t[2940] = 7494;
+  t[2941] = 7495;
+  t[2942] = 7496;
+  t[2944] = 7498;
+  t[2946] = 7500;
+  t[2948] = 7502;
+  t[2950] = 7504;
+  t[2951] = 7505;
+  t[2952] = 7506;
+  t[2954] = 7508;
+  t[2955] = 7509;
+  t[2956] = 7510;
+  t[2958] = 7512;
+  t[2959] = 7513;
+  t[2960] = 7514;
+  t[2962] = 7516;
+  t[2963] = 7517;
+  t[2964] = 7518;
+  t[2966] = 7520;
+  t[2967] = 7521;
+  t[2968] = 7522;
+  t[2970] = 7524;
+  t[2971] = 7525;
+  t[2972] = 7526;
+  t[2974] = 7528;
+  t[2975] = 7529;
+  t[2976] = 7530;
+  t[2978] = 1537;
+  t[2979] = 1538;
+  t[2980] = 1539;
+  t[2982] = 1549;
+  t[2983] = 1551;
+  t[2984] = 1552;
+  t[2986] = 1554;
+  t[2987] = 1555;
+  t[2988] = 1556;
+  t[2990] = 1623;
+  t[2991] = 1624;
+  t[2995] = 1775;
+  t[2999] = 1791;
+  t[3002] = 64290;
+  t[3003] = 64291;
+  t[3004] = 64292;
+  t[3006] = 64294;
+  t[3007] = 64295;
+  t[3008] = 64296;
+  t[3011] = 1900;
+  t[3014] = 8223;
+  t[3015] = 8244;
+  t[3017] = 7532;
+  t[3018] = 7533;
+  t[3019] = 7534;
+  t[3075] = 7590;
+  t[3076] = 7591;
+  t[3079] = 7594;
+  t[3080] = 7595;
+  t[3083] = 7598;
+  t[3084] = 7599;
+  t[3087] = 7602;
+  t[3088] = 7603;
+  t[3091] = 7606;
+  t[3092] = 7607;
+  t[3095] = 7610;
+  t[3096] = 7611;
+  t[3099] = 7614;
+  t[3100] = 7615;
+  t[3103] = 7618;
+  t[3104] = 7619;
+  t[3107] = 8337;
+  t[3108] = 8338;
+  t[3116] = 1884;
+  t[3119] = 1885;
+  t[3120] = 1885;
+  t[3123] = 1886;
+  t[3124] = 1886;
+  t[3127] = 1887;
+  t[3128] = 1887;
+  t[3131] = 1888;
+  t[3132] = 1888;
+  t[3135] = 1889;
+  t[3136] = 1889;
+  t[3139] = 1890;
+  t[3140] = 1890;
+  t[3143] = 1891;
+  t[3144] = 1891;
+  t[3147] = 1892;
+  t[3148] = 1892;
+  t[3153] = 580;
+  t[3154] = 581;
+  t[3157] = 584;
+  t[3158] = 585;
+  t[3161] = 588;
+  t[3162] = 589;
+  t[3165] = 891;
+  t[3166] = 892;
+  t[3169] = 1274;
+  t[3170] = 1275;
+  t[3173] = 1278;
+  t[3174] = 1279;
+  t[3181] = 7622;
+  t[3182] = 7623;
+  t[3282] = 11799;
+  t[3316] = 578;
+  t[3379] = 42785;
+  t[3393] = 1159;
+  t[3416] = 8377;
+});
+exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts;
+const getSupplementalGlyphMapForArialBlack = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[227] = 322;
+  t[264] = 261;
+  t[291] = 346;
+});
+exports.getSupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack;
+const getSupplementalGlyphMapForCalibri = (0, _core_utils.getLookupTableFactory)(function (t) {
+  t[1] = 32;
+  t[4] = 65;
+  t[17] = 66;
+  t[18] = 67;
+  t[24] = 68;
+  t[28] = 69;
+  t[38] = 70;
+  t[39] = 71;
+  t[44] = 72;
+  t[47] = 73;
+  t[58] = 74;
+  t[60] = 75;
+  t[62] = 76;
+  t[68] = 77;
+  t[69] = 78;
+  t[75] = 79;
+  t[87] = 80;
+  t[89] = 81;
+  t[90] = 82;
+  t[94] = 83;
+  t[100] = 84;
+  t[104] = 85;
+  t[115] = 86;
+  t[116] = 87;
+  t[121] = 88;
+  t[122] = 89;
+  t[127] = 90;
+  t[258] = 97;
+  t[268] = 261;
+  t[271] = 98;
+  t[272] = 99;
+  t[273] = 263;
+  t[282] = 100;
+  t[286] = 101;
+  t[295] = 281;
+  t[296] = 102;
+  t[336] = 103;
+  t[346] = 104;
+  t[349] = 105;
+  t[361] = 106;
+  t[364] = 107;
+  t[367] = 108;
+  t[371] = 322;
+  t[373] = 109;
+  t[374] = 110;
+  t[381] = 111;
+  t[383] = 243;
+  t[393] = 112;
+  t[395] = 113;
+  t[396] = 114;
+  t[400] = 115;
+  t[401] = 347;
+  t[410] = 116;
+  t[437] = 117;
+  t[448] = 118;
+  t[449] = 119;
+  t[454] = 120;
+  t[455] = 121;
+  t[460] = 122;
+  t[463] = 380;
+  t[853] = 44;
+  t[855] = 58;
+  t[856] = 46;
+  t[876] = 47;
+  t[878] = 45;
+  t[882] = 45;
+  t[894] = 40;
+  t[895] = 41;
+  t[896] = 91;
+  t[897] = 93;
+  t[923] = 64;
+  t[1004] = 48;
+  t[1005] = 49;
+  t[1006] = 50;
+  t[1007] = 51;
+  t[1008] = 52;
+  t[1009] = 53;
+  t[1010] = 54;
+  t[1011] = 55;
+  t[1012] = 56;
+  t[1013] = 57;
+  t[1081] = 37;
+  t[1085] = 43;
+  t[1086] = 45;
+});
+exports.getSupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/stream.js b/node_modules/pdfjs-dist/lib/core/stream.js
new file mode 100644
index 00000000..7a52a549
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/stream.js
@@ -0,0 +1,1317 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.LZWStream = exports.StringStream = exports.StreamsSequenceStream = exports.Stream = exports.RunLengthStream = exports.PredictorStream = exports.NullStream = exports.FlateStream = exports.DecodeStream = exports.DecryptStream = exports.AsciiHexStream = exports.Ascii85Stream = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _core_utils = require("./core_utils.js");
+
+var Stream = function StreamClosure() {
+  function Stream(arrayBuffer, start, length, dict) {
+    this.bytes = arrayBuffer instanceof Uint8Array ? arrayBuffer : new Uint8Array(arrayBuffer);
+    this.start = start || 0;
+    this.pos = this.start;
+    this.end = start + length || this.bytes.length;
+    this.dict = dict;
+  }
+
+  Stream.prototype = {
+    get length() {
+      return this.end - this.start;
+    },
+
+    get isEmpty() {
+      return this.length === 0;
+    },
+
+    getByte: function Stream_getByte() {
+      if (this.pos >= this.end) {
+        return -1;
+      }
+
+      return this.bytes[this.pos++];
+    },
+    getUint16: function Stream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function Stream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+
+    getBytes(length, forceClamped = false) {
+      var bytes = this.bytes;
+      var pos = this.pos;
+      var strEnd = this.end;
+
+      if (!length) {
+        const subarray = bytes.subarray(pos, strEnd);
+        return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+      }
+
+      var end = pos + length;
+
+      if (end > strEnd) {
+        end = strEnd;
+      }
+
+      this.pos = end;
+      const subarray = bytes.subarray(pos, end);
+      return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
+    },
+
+    peekByte: function Stream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+
+    peekBytes(length, forceClamped = false) {
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+
+    getByteRange(begin, end) {
+      if (begin < 0) {
+        begin = 0;
+      }
+
+      if (end > this.end) {
+        end = this.end;
+      }
+
+      return this.bytes.subarray(begin, end);
+    },
+
+    skip: function Stream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function Stream_reset() {
+      this.pos = this.start;
+    },
+    moveStart: function Stream_moveStart() {
+      this.start = this.pos;
+    },
+    makeSubStream: function Stream_makeSubStream(start, length, dict) {
+      return new Stream(this.bytes.buffer, start, length, dict);
+    }
+  };
+  return Stream;
+}();
+
+exports.Stream = Stream;
+
+var StringStream = function StringStreamClosure() {
+  function StringStream(str) {
+    const bytes = (0, _util.stringToBytes)(str);
+    Stream.call(this, bytes);
+  }
+
+  StringStream.prototype = Stream.prototype;
+  return StringStream;
+}();
+
+exports.StringStream = StringStream;
+
+var DecodeStream = function DecodeStreamClosure() {
+  var emptyBuffer = new Uint8Array(0);
+
+  function DecodeStream(maybeMinBufferLength) {
+    this._rawMinBufferLength = maybeMinBufferLength || 0;
+    this.pos = 0;
+    this.bufferLength = 0;
+    this.eof = false;
+    this.buffer = emptyBuffer;
+    this.minBufferLength = 512;
+
+    if (maybeMinBufferLength) {
+      while (this.minBufferLength < maybeMinBufferLength) {
+        this.minBufferLength *= 2;
+      }
+    }
+  }
+
+  DecodeStream.prototype = {
+    get isEmpty() {
+      while (!this.eof && this.bufferLength === 0) {
+        this.readBlock();
+      }
+
+      return this.bufferLength === 0;
+    },
+
+    ensureBuffer: function DecodeStream_ensureBuffer(requested) {
+      var buffer = this.buffer;
+
+      if (requested <= buffer.byteLength) {
+        return buffer;
+      }
+
+      var size = this.minBufferLength;
+
+      while (size < requested) {
+        size *= 2;
+      }
+
+      var buffer2 = new Uint8Array(size);
+      buffer2.set(buffer);
+      return this.buffer = buffer2;
+    },
+    getByte: function DecodeStream_getByte() {
+      var pos = this.pos;
+
+      while (this.bufferLength <= pos) {
+        if (this.eof) {
+          return -1;
+        }
+
+        this.readBlock();
+      }
+
+      return this.buffer[this.pos++];
+    },
+    getUint16: function DecodeStream_getUint16() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+
+      if (b0 === -1 || b1 === -1) {
+        return -1;
+      }
+
+      return (b0 << 8) + b1;
+    },
+    getInt32: function DecodeStream_getInt32() {
+      var b0 = this.getByte();
+      var b1 = this.getByte();
+      var b2 = this.getByte();
+      var b3 = this.getByte();
+      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
+    },
+
+    getBytes(length, forceClamped = false) {
+      var end,
+          pos = this.pos;
+
+      if (length) {
+        this.ensureBuffer(pos + length);
+        end = pos + length;
+
+        while (!this.eof && this.bufferLength < end) {
+          this.readBlock();
+        }
+
+        var bufEnd = this.bufferLength;
+
+        if (end > bufEnd) {
+          end = bufEnd;
+        }
+      } else {
+        while (!this.eof) {
+          this.readBlock();
+        }
+
+        end = this.bufferLength;
+      }
+
+      this.pos = end;
+      const subarray = this.buffer.subarray(pos, end);
+      return forceClamped && !(subarray instanceof Uint8ClampedArray) ? new Uint8ClampedArray(subarray) : subarray;
+    },
+
+    peekByte: function DecodeStream_peekByte() {
+      var peekedByte = this.getByte();
+
+      if (peekedByte !== -1) {
+        this.pos--;
+      }
+
+      return peekedByte;
+    },
+
+    peekBytes(length, forceClamped = false) {
+      var bytes = this.getBytes(length, forceClamped);
+      this.pos -= bytes.length;
+      return bytes;
+    },
+
+    makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {
+      var end = start + length;
+
+      while (this.bufferLength <= end && !this.eof) {
+        this.readBlock();
+      }
+
+      return new Stream(this.buffer, start, length, dict);
+    },
+
+    getByteRange(begin, end) {
+      (0, _util.unreachable)("Should not call DecodeStream.getByteRange");
+    },
+
+    skip: function DecodeStream_skip(n) {
+      if (!n) {
+        n = 1;
+      }
+
+      this.pos += n;
+    },
+    reset: function DecodeStream_reset() {
+      this.pos = 0;
+    },
+    getBaseStreams: function DecodeStream_getBaseStreams() {
+      if (this.str && this.str.getBaseStreams) {
+        return this.str.getBaseStreams();
+      }
+
+      return [];
+    }
+  };
+  return DecodeStream;
+}();
+
+exports.DecodeStream = DecodeStream;
+
+var StreamsSequenceStream = function StreamsSequenceStreamClosure() {
+  function StreamsSequenceStream(streams) {
+    this.streams = streams;
+    let maybeLength = 0;
+
+    for (let i = 0, ii = streams.length; i < ii; i++) {
+      const stream = streams[i];
+
+      if (stream instanceof DecodeStream) {
+        maybeLength += stream._rawMinBufferLength;
+      } else {
+        maybeLength += stream.length;
+      }
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);
+
+  StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {
+    var streams = this.streams;
+
+    if (streams.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    var stream = streams.shift();
+    var chunk = stream.getBytes();
+    var bufferLength = this.bufferLength;
+    var newLength = bufferLength + chunk.length;
+    var buffer = this.ensureBuffer(newLength);
+    buffer.set(chunk, bufferLength);
+    this.bufferLength = newLength;
+  };
+
+  StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {
+    var baseStreams = [];
+
+    for (var i = 0, ii = this.streams.length; i < ii; i++) {
+      var stream = this.streams[i];
+
+      if (stream.getBaseStreams) {
+        baseStreams.push(...stream.getBaseStreams());
+      }
+    }
+
+    return baseStreams;
+  };
+
+  return StreamsSequenceStream;
+}();
+
+exports.StreamsSequenceStream = StreamsSequenceStream;
+
+var FlateStream = function FlateStreamClosure() {
+  var codeLenCodeMap = new Int32Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
+  var lengthDecode = new Int32Array([0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102]);
+  var distDecode = new Int32Array([0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001]);
+  var fixedLitCodeTab = [new Int32Array([0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, 0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8, 0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8, 0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8, 0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4, 0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4, 0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4, 0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc, 0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec, 0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc, 0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2, 0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2, 0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2, 0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca, 0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea, 0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da, 0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6, 0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6, 0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6, 0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce, 0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee, 0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de, 0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe, 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1, 0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1, 0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1, 0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1, 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9, 0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9, 0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9, 0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9, 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5, 0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5, 0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5, 0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5, 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd, 0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed, 0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd, 0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd, 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3, 0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3, 0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3, 0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3, 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb, 0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb, 0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db, 0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb, 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7, 0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7, 0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7, 0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7, 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf, 0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef, 0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df, 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff]), 9];
+  var fixedDistCodeTab = [new Int32Array([0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000]), 5];
+
+  function FlateStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    var cmf = str.getByte();
+    var flg = str.getByte();
+
+    if (cmf === -1 || flg === -1) {
+      throw new _util.FormatError(`Invalid header in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if ((cmf & 0x0f) !== 0x08) {
+      throw new _util.FormatError(`Unknown compression method in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if (((cmf << 8) + flg) % 31 !== 0) {
+      throw new _util.FormatError(`Bad FCHECK in flate stream: ${cmf}, ${flg}`);
+    }
+
+    if (flg & 0x20) {
+      throw new _util.FormatError(`FDICT bit set in flate stream: ${cmf}, ${flg}`);
+    }
+
+    this.codeSize = 0;
+    this.codeBuf = 0;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  FlateStream.prototype = Object.create(DecodeStream.prototype);
+
+  FlateStream.prototype.getBits = function FlateStream_getBits(bits) {
+    var str = this.str;
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < bits) {
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad encoding in flate stream");
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    b = codeBuf & (1 << bits) - 1;
+    this.codeBuf = codeBuf >> bits;
+    this.codeSize = codeSize -= bits;
+    return b;
+  };
+
+  FlateStream.prototype.getCode = function FlateStream_getCode(table) {
+    var str = this.str;
+    var codes = table[0];
+    var maxLen = table[1];
+    var codeSize = this.codeSize;
+    var codeBuf = this.codeBuf;
+    var b;
+
+    while (codeSize < maxLen) {
+      if ((b = str.getByte()) === -1) {
+        break;
+      }
+
+      codeBuf |= b << codeSize;
+      codeSize += 8;
+    }
+
+    var code = codes[codeBuf & (1 << maxLen) - 1];
+    var codeLen = code >> 16;
+    var codeVal = code & 0xffff;
+
+    if (codeLen < 1 || codeSize < codeLen) {
+      throw new _util.FormatError("Bad encoding in flate stream");
+    }
+
+    this.codeBuf = codeBuf >> codeLen;
+    this.codeSize = codeSize - codeLen;
+    return codeVal;
+  };
+
+  FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(lengths) {
+    var n = lengths.length;
+    var maxLen = 0;
+    var i;
+
+    for (i = 0; i < n; ++i) {
+      if (lengths[i] > maxLen) {
+        maxLen = lengths[i];
+      }
+    }
+
+    var size = 1 << maxLen;
+    var codes = new Int32Array(size);
+
+    for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) {
+      for (var val = 0; val < n; ++val) {
+        if (lengths[val] === len) {
+          var code2 = 0;
+          var t = code;
+
+          for (i = 0; i < len; ++i) {
+            code2 = code2 << 1 | t & 1;
+            t >>= 1;
+          }
+
+          for (i = code2; i < size; i += skip) {
+            codes[i] = len << 16 | val;
+          }
+
+          ++code;
+        }
+      }
+    }
+
+    return [codes, maxLen];
+  };
+
+  FlateStream.prototype.readBlock = function FlateStream_readBlock() {
+    var buffer, len;
+    var str = this.str;
+    var hdr = this.getBits(3);
+
+    if (hdr & 1) {
+      this.eof = true;
+    }
+
+    hdr >>= 1;
+
+    if (hdr === 0) {
+      var b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var blockLen = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      blockLen |= b << 8;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      var check = b;
+
+      if ((b = str.getByte()) === -1) {
+        throw new _util.FormatError("Bad block header in flate stream");
+      }
+
+      check |= b << 8;
+
+      if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {
+        throw new _util.FormatError("Bad uncompressed block length in flate stream");
+      }
+
+      this.codeBuf = 0;
+      this.codeSize = 0;
+      const bufferLength = this.bufferLength,
+            end = bufferLength + blockLen;
+      buffer = this.ensureBuffer(end);
+      this.bufferLength = end;
+
+      if (blockLen === 0) {
+        if (str.peekByte() === -1) {
+          this.eof = true;
+        }
+      } else {
+        const block = str.getBytes(blockLen);
+        buffer.set(block, bufferLength);
+
+        if (block.length < blockLen) {
+          this.eof = true;
+        }
+      }
+
+      return;
+    }
+
+    var litCodeTable;
+    var distCodeTable;
+
+    if (hdr === 1) {
+      litCodeTable = fixedLitCodeTab;
+      distCodeTable = fixedDistCodeTab;
+    } else if (hdr === 2) {
+      var numLitCodes = this.getBits(5) + 257;
+      var numDistCodes = this.getBits(5) + 1;
+      var numCodeLenCodes = this.getBits(4) + 4;
+      var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);
+      var i;
+
+      for (i = 0; i < numCodeLenCodes; ++i) {
+        codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);
+      }
+
+      var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);
+      len = 0;
+      i = 0;
+      var codes = numLitCodes + numDistCodes;
+      var codeLengths = new Uint8Array(codes);
+      var bitsLength, bitsOffset, what;
+
+      while (i < codes) {
+        var code = this.getCode(codeLenCodeTab);
+
+        if (code === 16) {
+          bitsLength = 2;
+          bitsOffset = 3;
+          what = len;
+        } else if (code === 17) {
+          bitsLength = 3;
+          bitsOffset = 3;
+          what = len = 0;
+        } else if (code === 18) {
+          bitsLength = 7;
+          bitsOffset = 11;
+          what = len = 0;
+        } else {
+          codeLengths[i++] = len = code;
+          continue;
+        }
+
+        var repeatLength = this.getBits(bitsLength) + bitsOffset;
+
+        while (repeatLength-- > 0) {
+          codeLengths[i++] = what;
+        }
+      }
+
+      litCodeTable = this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes));
+      distCodeTable = this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes));
+    } else {
+      throw new _util.FormatError("Unknown block type in flate stream");
+    }
+
+    buffer = this.buffer;
+    var limit = buffer ? buffer.length : 0;
+    var pos = this.bufferLength;
+
+    while (true) {
+      var code1 = this.getCode(litCodeTable);
+
+      if (code1 < 256) {
+        if (pos + 1 >= limit) {
+          buffer = this.ensureBuffer(pos + 1);
+          limit = buffer.length;
+        }
+
+        buffer[pos++] = code1;
+        continue;
+      }
+
+      if (code1 === 256) {
+        this.bufferLength = pos;
+        return;
+      }
+
+      code1 -= 257;
+      code1 = lengthDecode[code1];
+      var code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      len = (code1 & 0xffff) + code2;
+      code1 = this.getCode(distCodeTable);
+      code1 = distDecode[code1];
+      code2 = code1 >> 16;
+
+      if (code2 > 0) {
+        code2 = this.getBits(code2);
+      }
+
+      var dist = (code1 & 0xffff) + code2;
+
+      if (pos + len >= limit) {
+        buffer = this.ensureBuffer(pos + len);
+        limit = buffer.length;
+      }
+
+      for (var k = 0; k < len; ++k, ++pos) {
+        buffer[pos] = buffer[pos - dist];
+      }
+    }
+  };
+
+  return FlateStream;
+}();
+
+exports.FlateStream = FlateStream;
+
+var PredictorStream = function PredictorStreamClosure() {
+  function PredictorStream(str, maybeLength, params) {
+    if (!(0, _primitives.isDict)(params)) {
+      return str;
+    }
+
+    var predictor = this.predictor = params.get("Predictor") || 1;
+
+    if (predictor <= 1) {
+      return str;
+    }
+
+    if (predictor !== 2 && (predictor < 10 || predictor > 15)) {
+      throw new _util.FormatError(`Unsupported predictor: ${predictor}`);
+    }
+
+    if (predictor === 2) {
+      this.readBlock = this.readBlockTiff;
+    } else {
+      this.readBlock = this.readBlockPng;
+    }
+
+    this.str = str;
+    this.dict = str.dict;
+    var colors = this.colors = params.get("Colors") || 1;
+    var bits = this.bits = params.get("BitsPerComponent") || 8;
+    var columns = this.columns = params.get("Columns") || 1;
+    this.pixBytes = colors * bits + 7 >> 3;
+    this.rowBytes = columns * colors * bits + 7 >> 3;
+    DecodeStream.call(this, maybeLength);
+    return this;
+  }
+
+  PredictorStream.prototype = Object.create(DecodeStream.prototype);
+
+  PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {
+    var rowBytes = this.rowBytes;
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var bits = this.bits;
+    var colors = this.colors;
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var inbuf = 0,
+        outbuf = 0;
+    var inbits = 0,
+        outbits = 0;
+    var pos = bufferLength;
+    var i;
+
+    if (bits === 1 && colors === 1) {
+      for (i = 0; i < rowBytes; ++i) {
+        var c = rawBytes[i] ^ inbuf;
+        c ^= c >> 1;
+        c ^= c >> 2;
+        c ^= c >> 4;
+        inbuf = (c & 1) << 7;
+        buffer[pos++] = c;
+      }
+    } else if (bits === 8) {
+      for (i = 0; i < colors; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; ++i) {
+        buffer[pos] = buffer[pos - colors] + rawBytes[i];
+        pos++;
+      }
+    } else if (bits === 16) {
+      var bytesPerPixel = colors * 2;
+
+      for (i = 0; i < bytesPerPixel; ++i) {
+        buffer[pos++] = rawBytes[i];
+      }
+
+      for (; i < rowBytes; i += 2) {
+        var sum = ((rawBytes[i] & 0xff) << 8) + (rawBytes[i + 1] & 0xff) + ((buffer[pos - bytesPerPixel] & 0xff) << 8) + (buffer[pos - bytesPerPixel + 1] & 0xff);
+        buffer[pos++] = sum >> 8 & 0xff;
+        buffer[pos++] = sum & 0xff;
+      }
+    } else {
+      var compArray = new Uint8Array(colors + 1);
+      var bitMask = (1 << bits) - 1;
+      var j = 0,
+          k = bufferLength;
+      var columns = this.columns;
+
+      for (i = 0; i < columns; ++i) {
+        for (var kk = 0; kk < colors; ++kk) {
+          if (inbits < bits) {
+            inbuf = inbuf << 8 | rawBytes[j++] & 0xff;
+            inbits += 8;
+          }
+
+          compArray[kk] = compArray[kk] + (inbuf >> inbits - bits) & bitMask;
+          inbits -= bits;
+          outbuf = outbuf << bits | compArray[kk];
+          outbits += bits;
+
+          if (outbits >= 8) {
+            buffer[k++] = outbuf >> outbits - 8 & 0xff;
+            outbits -= 8;
+          }
+        }
+      }
+
+      if (outbits > 0) {
+        buffer[k++] = (outbuf << 8 - outbits) + (inbuf & (1 << 8 - outbits) - 1);
+      }
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {
+    var rowBytes = this.rowBytes;
+    var pixBytes = this.pixBytes;
+    var predictor = this.str.getByte();
+    var rawBytes = this.str.getBytes(rowBytes);
+    this.eof = !rawBytes.length;
+
+    if (this.eof) {
+      return;
+    }
+
+    var bufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(bufferLength + rowBytes);
+    var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);
+
+    if (prevRow.length === 0) {
+      prevRow = new Uint8Array(rowBytes);
+    }
+
+    var i,
+        j = bufferLength,
+        up,
+        c;
+
+    switch (predictor) {
+      case 0:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        break;
+
+      case 1:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = buffer[j - pixBytes] + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 2:
+        for (i = 0; i < rowBytes; ++i) {
+          buffer[j++] = prevRow[i] + rawBytes[i] & 0xff;
+        }
+
+        break;
+
+      case 3:
+        for (i = 0; i < pixBytes; ++i) {
+          buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];
+        }
+
+        for (; i < rowBytes; ++i) {
+          buffer[j] = (prevRow[i] + buffer[j - pixBytes] >> 1) + rawBytes[i] & 0xff;
+          j++;
+        }
+
+        break;
+
+      case 4:
+        for (i = 0; i < pixBytes; ++i) {
+          up = prevRow[i];
+          c = rawBytes[i];
+          buffer[j++] = up + c;
+        }
+
+        for (; i < rowBytes; ++i) {
+          up = prevRow[i];
+          var upLeft = prevRow[i - pixBytes];
+          var left = buffer[j - pixBytes];
+          var p = left + up - upLeft;
+          var pa = p - left;
+
+          if (pa < 0) {
+            pa = -pa;
+          }
+
+          var pb = p - up;
+
+          if (pb < 0) {
+            pb = -pb;
+          }
+
+          var pc = p - upLeft;
+
+          if (pc < 0) {
+            pc = -pc;
+          }
+
+          c = rawBytes[i];
+
+          if (pa <= pb && pa <= pc) {
+            buffer[j++] = left + c;
+          } else if (pb <= pc) {
+            buffer[j++] = up + c;
+          } else {
+            buffer[j++] = upLeft + c;
+          }
+        }
+
+        break;
+
+      default:
+        throw new _util.FormatError(`Unsupported predictor: ${predictor}`);
+    }
+
+    this.bufferLength += rowBytes;
+  };
+
+  return PredictorStream;
+}();
+
+exports.PredictorStream = PredictorStream;
+
+var DecryptStream = function DecryptStreamClosure() {
+  function DecryptStream(str, maybeLength, decrypt) {
+    this.str = str;
+    this.dict = str.dict;
+    this.decrypt = decrypt;
+    this.nextChunk = null;
+    this.initialized = false;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  var chunkSize = 512;
+  DecryptStream.prototype = Object.create(DecodeStream.prototype);
+
+  DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
+    var chunk;
+
+    if (this.initialized) {
+      chunk = this.nextChunk;
+    } else {
+      chunk = this.str.getBytes(chunkSize);
+      this.initialized = true;
+    }
+
+    if (!chunk || chunk.length === 0) {
+      this.eof = true;
+      return;
+    }
+
+    this.nextChunk = this.str.getBytes(chunkSize);
+    var hasMoreData = this.nextChunk && this.nextChunk.length > 0;
+    var decrypt = this.decrypt;
+    chunk = decrypt(chunk, !hasMoreData);
+    var bufferLength = this.bufferLength;
+    var i,
+        n = chunk.length;
+    var buffer = this.ensureBuffer(bufferLength + n);
+
+    for (i = 0; i < n; i++) {
+      buffer[bufferLength++] = chunk[i];
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return DecryptStream;
+}();
+
+exports.DecryptStream = DecryptStream;
+
+var Ascii85Stream = function Ascii85StreamClosure() {
+  function Ascii85Stream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.input = new Uint8Array(5);
+
+    if (maybeLength) {
+      maybeLength = 0.8 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  Ascii85Stream.prototype = Object.create(DecodeStream.prototype);
+
+  Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {
+    var TILDA_CHAR = 0x7e;
+    var Z_LOWER_CHAR = 0x7a;
+    var EOF = -1;
+    var str = this.str;
+    var c = str.getByte();
+
+    while ((0, _core_utils.isWhiteSpace)(c)) {
+      c = str.getByte();
+    }
+
+    if (c === EOF || c === TILDA_CHAR) {
+      this.eof = true;
+      return;
+    }
+
+    var bufferLength = this.bufferLength,
+        buffer;
+    var i;
+
+    if (c === Z_LOWER_CHAR) {
+      buffer = this.ensureBuffer(bufferLength + 4);
+
+      for (i = 0; i < 4; ++i) {
+        buffer[bufferLength + i] = 0;
+      }
+
+      this.bufferLength += 4;
+    } else {
+      var input = this.input;
+      input[0] = c;
+
+      for (i = 1; i < 5; ++i) {
+        c = str.getByte();
+
+        while ((0, _core_utils.isWhiteSpace)(c)) {
+          c = str.getByte();
+        }
+
+        input[i] = c;
+
+        if (c === EOF || c === TILDA_CHAR) {
+          break;
+        }
+      }
+
+      buffer = this.ensureBuffer(bufferLength + i - 1);
+      this.bufferLength += i - 1;
+
+      if (i < 5) {
+        for (; i < 5; ++i) {
+          input[i] = 0x21 + 84;
+        }
+
+        this.eof = true;
+      }
+
+      var t = 0;
+
+      for (i = 0; i < 5; ++i) {
+        t = t * 85 + (input[i] - 0x21);
+      }
+
+      for (i = 3; i >= 0; --i) {
+        buffer[bufferLength + i] = t & 0xff;
+        t >>= 8;
+      }
+    }
+  };
+
+  return Ascii85Stream;
+}();
+
+exports.Ascii85Stream = Ascii85Stream;
+
+var AsciiHexStream = function AsciiHexStreamClosure() {
+  function AsciiHexStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    this.firstDigit = -1;
+
+    if (maybeLength) {
+      maybeLength = 0.5 * maybeLength;
+    }
+
+    DecodeStream.call(this, maybeLength);
+  }
+
+  AsciiHexStream.prototype = Object.create(DecodeStream.prototype);
+
+  AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {
+    var UPSTREAM_BLOCK_SIZE = 8000;
+    var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);
+
+    if (!bytes.length) {
+      this.eof = true;
+      return;
+    }
+
+    var maxDecodeLength = bytes.length + 1 >> 1;
+    var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);
+    var bufferLength = this.bufferLength;
+    var firstDigit = this.firstDigit;
+
+    for (var i = 0, ii = bytes.length; i < ii; i++) {
+      var ch = bytes[i],
+          digit;
+
+      if (ch >= 0x30 && ch <= 0x39) {
+        digit = ch & 0x0f;
+      } else if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
+        digit = (ch & 0x0f) + 9;
+      } else if (ch === 0x3e) {
+        this.eof = true;
+        break;
+      } else {
+        continue;
+      }
+
+      if (firstDigit < 0) {
+        firstDigit = digit;
+      } else {
+        buffer[bufferLength++] = firstDigit << 4 | digit;
+        firstDigit = -1;
+      }
+    }
+
+    if (firstDigit >= 0 && this.eof) {
+      buffer[bufferLength++] = firstDigit << 4;
+      firstDigit = -1;
+    }
+
+    this.firstDigit = firstDigit;
+    this.bufferLength = bufferLength;
+  };
+
+  return AsciiHexStream;
+}();
+
+exports.AsciiHexStream = AsciiHexStream;
+
+var RunLengthStream = function RunLengthStreamClosure() {
+  function RunLengthStream(str, maybeLength) {
+    this.str = str;
+    this.dict = str.dict;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  RunLengthStream.prototype = Object.create(DecodeStream.prototype);
+
+  RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {
+    var repeatHeader = this.str.getBytes(2);
+
+    if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {
+      this.eof = true;
+      return;
+    }
+
+    var buffer;
+    var bufferLength = this.bufferLength;
+    var n = repeatHeader[0];
+
+    if (n < 128) {
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+      buffer[bufferLength++] = repeatHeader[1];
+
+      if (n > 0) {
+        var source = this.str.getBytes(n);
+        buffer.set(source, bufferLength);
+        bufferLength += n;
+      }
+    } else {
+      n = 257 - n;
+      var b = repeatHeader[1];
+      buffer = this.ensureBuffer(bufferLength + n + 1);
+
+      for (var i = 0; i < n; i++) {
+        buffer[bufferLength++] = b;
+      }
+    }
+
+    this.bufferLength = bufferLength;
+  };
+
+  return RunLengthStream;
+}();
+
+exports.RunLengthStream = RunLengthStream;
+
+var LZWStream = function LZWStreamClosure() {
+  function LZWStream(str, maybeLength, earlyChange) {
+    this.str = str;
+    this.dict = str.dict;
+    this.cachedData = 0;
+    this.bitsCached = 0;
+    var maxLzwDictionarySize = 4096;
+    var lzwState = {
+      earlyChange,
+      codeLength: 9,
+      nextCode: 258,
+      dictionaryValues: new Uint8Array(maxLzwDictionarySize),
+      dictionaryLengths: new Uint16Array(maxLzwDictionarySize),
+      dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize),
+      currentSequence: new Uint8Array(maxLzwDictionarySize),
+      currentSequenceLength: 0
+    };
+
+    for (var i = 0; i < 256; ++i) {
+      lzwState.dictionaryValues[i] = i;
+      lzwState.dictionaryLengths[i] = 1;
+    }
+
+    this.lzwState = lzwState;
+    DecodeStream.call(this, maybeLength);
+  }
+
+  LZWStream.prototype = Object.create(DecodeStream.prototype);
+
+  LZWStream.prototype.readBits = function LZWStream_readBits(n) {
+    var bitsCached = this.bitsCached;
+    var cachedData = this.cachedData;
+
+    while (bitsCached < n) {
+      var c = this.str.getByte();
+
+      if (c === -1) {
+        this.eof = true;
+        return null;
+      }
+
+      cachedData = cachedData << 8 | c;
+      bitsCached += 8;
+    }
+
+    this.bitsCached = bitsCached -= n;
+    this.cachedData = cachedData;
+    this.lastCode = null;
+    return cachedData >>> bitsCached & (1 << n) - 1;
+  };
+
+  LZWStream.prototype.readBlock = function LZWStream_readBlock() {
+    var blockSize = 512;
+    var estimatedDecodedSize = blockSize * 2,
+        decodedSizeDelta = blockSize;
+    var i, j, q;
+    var lzwState = this.lzwState;
+
+    if (!lzwState) {
+      return;
+    }
+
+    var earlyChange = lzwState.earlyChange;
+    var nextCode = lzwState.nextCode;
+    var dictionaryValues = lzwState.dictionaryValues;
+    var dictionaryLengths = lzwState.dictionaryLengths;
+    var dictionaryPrevCodes = lzwState.dictionaryPrevCodes;
+    var codeLength = lzwState.codeLength;
+    var prevCode = lzwState.prevCode;
+    var currentSequence = lzwState.currentSequence;
+    var currentSequenceLength = lzwState.currentSequenceLength;
+    var decodedLength = 0;
+    var currentBufferLength = this.bufferLength;
+    var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+
+    for (i = 0; i < blockSize; i++) {
+      var code = this.readBits(codeLength);
+      var hasPrev = currentSequenceLength > 0;
+
+      if (code < 256) {
+        currentSequence[0] = code;
+        currentSequenceLength = 1;
+      } else if (code >= 258) {
+        if (code < nextCode) {
+          currentSequenceLength = dictionaryLengths[code];
+
+          for (j = currentSequenceLength - 1, q = code; j >= 0; j--) {
+            currentSequence[j] = dictionaryValues[q];
+            q = dictionaryPrevCodes[q];
+          }
+        } else {
+          currentSequence[currentSequenceLength++] = currentSequence[0];
+        }
+      } else if (code === 256) {
+        codeLength = 9;
+        nextCode = 258;
+        currentSequenceLength = 0;
+        continue;
+      } else {
+        this.eof = true;
+        delete this.lzwState;
+        break;
+      }
+
+      if (hasPrev) {
+        dictionaryPrevCodes[nextCode] = prevCode;
+        dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1;
+        dictionaryValues[nextCode] = currentSequence[0];
+        nextCode++;
+        codeLength = nextCode + earlyChange & nextCode + earlyChange - 1 ? codeLength : Math.min(Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1, 12) | 0;
+      }
+
+      prevCode = code;
+      decodedLength += currentSequenceLength;
+
+      if (estimatedDecodedSize < decodedLength) {
+        do {
+          estimatedDecodedSize += decodedSizeDelta;
+        } while (estimatedDecodedSize < decodedLength);
+
+        buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize);
+      }
+
+      for (j = 0; j < currentSequenceLength; j++) {
+        buffer[currentBufferLength++] = currentSequence[j];
+      }
+    }
+
+    lzwState.nextCode = nextCode;
+    lzwState.codeLength = codeLength;
+    lzwState.prevCode = prevCode;
+    lzwState.currentSequenceLength = currentSequenceLength;
+    this.bufferLength = currentBufferLength;
+  };
+
+  return LZWStream;
+}();
+
+exports.LZWStream = LZWStream;
+
+var NullStream = function NullStreamClosure() {
+  function NullStream() {
+    Stream.call(this, new Uint8Array(0));
+  }
+
+  NullStream.prototype = Stream.prototype;
+  return NullStream;
+}();
+
+exports.NullStream = NullStream;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/type1_parser.js b/node_modules/pdfjs-dist/lib/core/type1_parser.js
new file mode 100644
index 00000000..3d9b9bb8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/type1_parser.js
@@ -0,0 +1,728 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Type1Parser = void 0;
+
+var _encodings = require("./encodings.js");
+
+var _core_utils = require("./core_utils.js");
+
+var _stream = require("./stream.js");
+
+var _util = require("../shared/util.js");
+
+var HINTING_ENABLED = false;
+
+var Type1CharString = function Type1CharStringClosure() {
+  var COMMAND_MAP = {
+    hstem: [1],
+    vstem: [3],
+    vmoveto: [4],
+    rlineto: [5],
+    hlineto: [6],
+    vlineto: [7],
+    rrcurveto: [8],
+    callsubr: [10],
+    flex: [12, 35],
+    drop: [12, 18],
+    endchar: [14],
+    rmoveto: [21],
+    hmoveto: [22],
+    vhcurveto: [30],
+    hvcurveto: [31]
+  };
+
+  function Type1CharString() {
+    this.width = 0;
+    this.lsb = 0;
+    this.flexing = false;
+    this.output = [];
+    this.stack = [];
+  }
+
+  Type1CharString.prototype = {
+    convert: function Type1CharString_convert(encoded, subrs, seacAnalysisEnabled) {
+      var count = encoded.length;
+      var error = false;
+      var wx, sbx, subrNumber;
+
+      for (var i = 0; i < count; i++) {
+        var value = encoded[i];
+
+        if (value < 32) {
+          if (value === 12) {
+            value = (value << 8) + encoded[++i];
+          }
+
+          switch (value) {
+            case 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case 3:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case 4:
+              if (this.flexing) {
+                if (this.stack.length < 1) {
+                  error = true;
+                  break;
+                }
+
+                var dy = this.stack.pop();
+                this.stack.push(0, dy);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.vmoveto);
+              break;
+
+            case 5:
+              error = this.executeCommand(2, COMMAND_MAP.rlineto);
+              break;
+
+            case 6:
+              error = this.executeCommand(1, COMMAND_MAP.hlineto);
+              break;
+
+            case 7:
+              error = this.executeCommand(1, COMMAND_MAP.vlineto);
+              break;
+
+            case 8:
+              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);
+              break;
+
+            case 9:
+              this.stack = [];
+              break;
+
+            case 10:
+              if (this.stack.length < 1) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+
+              if (!subrs[subrNumber]) {
+                error = true;
+                break;
+              }
+
+              error = this.convert(subrs[subrNumber], subrs, seacAnalysisEnabled);
+              break;
+
+            case 11:
+              return error;
+
+            case 13:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              wx = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx);
+              error = this.executeCommand(2, COMMAND_MAP.hmoveto);
+              break;
+
+            case 14:
+              this.output.push(COMMAND_MAP.endchar[0]);
+              break;
+
+            case 21:
+              if (this.flexing) {
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.rmoveto);
+              break;
+
+            case 22:
+              if (this.flexing) {
+                this.stack.push(0);
+                break;
+              }
+
+              error = this.executeCommand(1, COMMAND_MAP.hmoveto);
+              break;
+
+            case 30:
+              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);
+              break;
+
+            case 31:
+              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);
+              break;
+
+            case (12 << 8) + 0:
+              this.stack = [];
+              break;
+
+            case (12 << 8) + 1:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.vstem);
+              break;
+
+            case (12 << 8) + 2:
+              if (!HINTING_ENABLED) {
+                this.stack = [];
+                break;
+              }
+
+              error = this.executeCommand(2, COMMAND_MAP.hstem);
+              break;
+
+            case (12 << 8) + 6:
+              if (seacAnalysisEnabled) {
+                const asb = this.stack[this.stack.length - 5];
+                this.seac = this.stack.splice(-4, 4);
+                this.seac[0] += this.lsb - asb;
+                error = this.executeCommand(0, COMMAND_MAP.endchar);
+              } else {
+                error = this.executeCommand(4, COMMAND_MAP.endchar);
+              }
+
+              break;
+
+            case (12 << 8) + 7:
+              if (this.stack.length < 4) {
+                error = true;
+                break;
+              }
+
+              this.stack.pop();
+              wx = this.stack.pop();
+              var sby = this.stack.pop();
+              sbx = this.stack.pop();
+              this.lsb = sbx;
+              this.width = wx;
+              this.stack.push(wx, sbx, sby);
+              error = this.executeCommand(3, COMMAND_MAP.rmoveto);
+              break;
+
+            case (12 << 8) + 12:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              var num2 = this.stack.pop();
+              var num1 = this.stack.pop();
+              this.stack.push(num1 / num2);
+              break;
+
+            case (12 << 8) + 16:
+              if (this.stack.length < 2) {
+                error = true;
+                break;
+              }
+
+              subrNumber = this.stack.pop();
+              var numArgs = this.stack.pop();
+
+              if (subrNumber === 0 && numArgs === 3) {
+                var flexArgs = this.stack.splice(this.stack.length - 17, 17);
+                this.stack.push(flexArgs[2] + flexArgs[0], flexArgs[3] + flexArgs[1], flexArgs[4], flexArgs[5], flexArgs[6], flexArgs[7], flexArgs[8], flexArgs[9], flexArgs[10], flexArgs[11], flexArgs[12], flexArgs[13], flexArgs[14]);
+                error = this.executeCommand(13, COMMAND_MAP.flex, true);
+                this.flexing = false;
+                this.stack.push(flexArgs[15], flexArgs[16]);
+              } else if (subrNumber === 1 && numArgs === 0) {
+                this.flexing = true;
+              }
+
+              break;
+
+            case (12 << 8) + 17:
+              break;
+
+            case (12 << 8) + 33:
+              this.stack = [];
+              break;
+
+            default:
+              (0, _util.warn)('Unknown type 1 charstring command of "' + value + '"');
+              break;
+          }
+
+          if (error) {
+            break;
+          }
+
+          continue;
+        } else if (value <= 246) {
+          value = value - 139;
+        } else if (value <= 250) {
+          value = (value - 247) * 256 + encoded[++i] + 108;
+        } else if (value <= 254) {
+          value = -((value - 251) * 256) - encoded[++i] - 108;
+        } else {
+          value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0;
+        }
+
+        this.stack.push(value);
+      }
+
+      return error;
+    },
+
+    executeCommand(howManyArgs, command, keepStack) {
+      var stackLength = this.stack.length;
+
+      if (howManyArgs > stackLength) {
+        return true;
+      }
+
+      var start = stackLength - howManyArgs;
+
+      for (var i = start; i < stackLength; i++) {
+        var value = this.stack[i];
+
+        if (Number.isInteger(value)) {
+          this.output.push(28, value >> 8 & 0xff, value & 0xff);
+        } else {
+          value = 65536 * value | 0;
+          this.output.push(255, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+        }
+      }
+
+      this.output.push.apply(this.output, command);
+
+      if (keepStack) {
+        this.stack.splice(start, howManyArgs);
+      } else {
+        this.stack.length = 0;
+      }
+
+      return false;
+    }
+
+  };
+  return Type1CharString;
+}();
+
+var Type1Parser = function Type1ParserClosure() {
+  var EEXEC_ENCRYPT_KEY = 55665;
+  var CHAR_STRS_ENCRYPT_KEY = 4330;
+
+  function isHexDigit(code) {
+    return code >= 48 && code <= 57 || code >= 65 && code <= 70 || code >= 97 && code <= 102;
+  }
+
+  function decrypt(data, key, discardNumber) {
+    if (discardNumber >= data.length) {
+      return new Uint8Array(0);
+    }
+
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719,
+        i,
+        j;
+
+    for (i = 0; i < discardNumber; i++) {
+      r = (data[i] + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    var count = data.length - discardNumber;
+    var decrypted = new Uint8Array(count);
+
+    for (i = discardNumber, j = 0; j < count; i++, j++) {
+      var value = data[i];
+      decrypted[j] = value ^ r >> 8;
+      r = (value + r) * c1 + c2 & (1 << 16) - 1;
+    }
+
+    return decrypted;
+  }
+
+  function decryptAscii(data, key, discardNumber) {
+    var r = key | 0,
+        c1 = 52845,
+        c2 = 22719;
+    var count = data.length,
+        maybeLength = count >>> 1;
+    var decrypted = new Uint8Array(maybeLength);
+    var i, j;
+
+    for (i = 0, j = 0; i < count; i++) {
+      var digit1 = data[i];
+
+      if (!isHexDigit(digit1)) {
+        continue;
+      }
+
+      i++;
+      var digit2;
+
+      while (i < count && !isHexDigit(digit2 = data[i])) {
+        i++;
+      }
+
+      if (i < count) {
+        var value = parseInt(String.fromCharCode(digit1, digit2), 16);
+        decrypted[j++] = value ^ r >> 8;
+        r = (value + r) * c1 + c2 & (1 << 16) - 1;
+      }
+    }
+
+    return decrypted.slice(discardNumber, j);
+  }
+
+  function isSpecial(c) {
+    return c === 0x2f || c === 0x5b || c === 0x5d || c === 0x7b || c === 0x7d || c === 0x28 || c === 0x29;
+  }
+
+  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {
+    if (encrypted) {
+      var data = stream.getBytes();
+      var isBinary = !((isHexDigit(data[0]) || (0, _core_utils.isWhiteSpace)(data[0])) && isHexDigit(data[1]) && isHexDigit(data[2]) && isHexDigit(data[3]) && isHexDigit(data[4]) && isHexDigit(data[5]) && isHexDigit(data[6]) && isHexDigit(data[7]));
+      stream = new _stream.Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4));
+    }
+
+    this.seacAnalysisEnabled = !!seacAnalysisEnabled;
+    this.stream = stream;
+    this.nextChar();
+  }
+
+  Type1Parser.prototype = {
+    readNumberArray: function Type1Parser_readNumberArray() {
+      this.getToken();
+      var array = [];
+
+      while (true) {
+        var token = this.getToken();
+
+        if (token === null || token === "]" || token === "}") {
+          break;
+        }
+
+        array.push(parseFloat(token || 0));
+      }
+
+      return array;
+    },
+    readNumber: function Type1Parser_readNumber() {
+      var token = this.getToken();
+      return parseFloat(token || 0);
+    },
+    readInt: function Type1Parser_readInt() {
+      var token = this.getToken();
+      return parseInt(token || 0, 10) | 0;
+    },
+    readBoolean: function Type1Parser_readBoolean() {
+      var token = this.getToken();
+      return token === "true" ? 1 : 0;
+    },
+    nextChar: function Type1_nextChar() {
+      return this.currentChar = this.stream.getByte();
+    },
+    getToken: function Type1Parser_getToken() {
+      var comment = false;
+      var ch = this.currentChar;
+
+      while (true) {
+        if (ch === -1) {
+          return null;
+        }
+
+        if (comment) {
+          if (ch === 0x0a || ch === 0x0d) {
+            comment = false;
+          }
+        } else if (ch === 0x25) {
+          comment = true;
+        } else if (!(0, _core_utils.isWhiteSpace)(ch)) {
+          break;
+        }
+
+        ch = this.nextChar();
+      }
+
+      if (isSpecial(ch)) {
+        this.nextChar();
+        return String.fromCharCode(ch);
+      }
+
+      var token = "";
+
+      do {
+        token += String.fromCharCode(ch);
+        ch = this.nextChar();
+      } while (ch >= 0 && !(0, _core_utils.isWhiteSpace)(ch) && !isSpecial(ch));
+
+      return token;
+    },
+    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {
+      if (lenIV === -1) {
+        return bytes;
+      }
+
+      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);
+    },
+    extractFontProgram: function Type1Parser_extractFontProgram(properties) {
+      var stream = this.stream;
+      var subrs = [],
+          charstrings = [];
+      var privateData = Object.create(null);
+      privateData.lenIV = 4;
+      var program = {
+        subrs: [],
+        charstrings: [],
+        properties: {
+          privateData
+        }
+      };
+      var token, length, data, lenIV, encoded;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "CharStrings":
+            this.getToken();
+            this.getToken();
+            this.getToken();
+            this.getToken();
+
+            while (true) {
+              token = this.getToken();
+
+              if (token === null || token === "end") {
+                break;
+              }
+
+              if (token !== "/") {
+                continue;
+              }
+
+              var glyph = this.getToken();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              charstrings.push({
+                glyph,
+                encoded
+              });
+            }
+
+            break;
+
+          case "Subrs":
+            this.readInt();
+            this.getToken();
+
+            while (this.getToken() === "dup") {
+              const index = this.readInt();
+              length = this.readInt();
+              this.getToken();
+              data = length > 0 ? stream.getBytes(length) : new Uint8Array(0);
+              lenIV = program.properties.privateData.lenIV;
+              encoded = this.readCharStrings(data, lenIV);
+              this.nextChar();
+              token = this.getToken();
+
+              if (token === "noaccess") {
+                this.getToken();
+              }
+
+              subrs[index] = encoded;
+            }
+
+            break;
+
+          case "BlueValues":
+          case "OtherBlues":
+          case "FamilyBlues":
+          case "FamilyOtherBlues":
+            var blueArray = this.readNumberArray();
+
+            if (blueArray.length > 0 && blueArray.length % 2 === 0 && HINTING_ENABLED) {
+              program.properties.privateData[token] = blueArray;
+            }
+
+            break;
+
+          case "StemSnapH":
+          case "StemSnapV":
+            program.properties.privateData[token] = this.readNumberArray();
+            break;
+
+          case "StdHW":
+          case "StdVW":
+            program.properties.privateData[token] = this.readNumberArray()[0];
+            break;
+
+          case "BlueShift":
+          case "lenIV":
+          case "BlueFuzz":
+          case "BlueScale":
+          case "LanguageGroup":
+          case "ExpansionFactor":
+            program.properties.privateData[token] = this.readNumber();
+            break;
+
+          case "ForceBold":
+            program.properties.privateData[token] = this.readBoolean();
+            break;
+        }
+      }
+
+      for (var i = 0; i < charstrings.length; i++) {
+        glyph = charstrings[i].glyph;
+        encoded = charstrings[i].encoded;
+        var charString = new Type1CharString();
+        var error = charString.convert(encoded, subrs, this.seacAnalysisEnabled);
+        var output = charString.output;
+
+        if (error) {
+          output = [14];
+        }
+
+        const charStringObject = {
+          glyphName: glyph,
+          charstring: output,
+          width: charString.width,
+          lsb: charString.lsb,
+          seac: charString.seac
+        };
+
+        if (glyph === ".notdef") {
+          program.charstrings.unshift(charStringObject);
+        } else {
+          program.charstrings.push(charStringObject);
+        }
+
+        if (properties.builtInEncoding) {
+          const index = properties.builtInEncoding.indexOf(glyph);
+
+          if (index > -1 && properties.widths[index] === undefined && index >= properties.firstChar && index <= properties.lastChar) {
+            properties.widths[index] = charString.width;
+          }
+        }
+      }
+
+      return program;
+    },
+    extractFontHeader: function Type1Parser_extractFontHeader(properties) {
+      var token;
+
+      while ((token = this.getToken()) !== null) {
+        if (token !== "/") {
+          continue;
+        }
+
+        token = this.getToken();
+
+        switch (token) {
+          case "FontMatrix":
+            var matrix = this.readNumberArray();
+            properties.fontMatrix = matrix;
+            break;
+
+          case "Encoding":
+            var encodingArg = this.getToken();
+            var encoding;
+
+            if (!/^\d+$/.test(encodingArg)) {
+              encoding = (0, _encodings.getEncoding)(encodingArg);
+            } else {
+              encoding = [];
+              var size = parseInt(encodingArg, 10) | 0;
+              this.getToken();
+
+              for (var j = 0; j < size; j++) {
+                token = this.getToken();
+
+                while (token !== "dup" && token !== "def") {
+                  token = this.getToken();
+
+                  if (token === null) {
+                    return;
+                  }
+                }
+
+                if (token === "def") {
+                  break;
+                }
+
+                var index = this.readInt();
+                this.getToken();
+                var glyph = this.getToken();
+                encoding[index] = glyph;
+                this.getToken();
+              }
+            }
+
+            properties.builtInEncoding = encoding;
+            break;
+
+          case "FontBBox":
+            var fontBBox = this.readNumberArray();
+            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
+            properties.descent = Math.min(fontBBox[1], fontBBox[3]);
+            properties.ascentScaled = true;
+            break;
+        }
+      }
+    }
+  };
+  return Type1Parser;
+}();
+
+exports.Type1Parser = Type1Parser;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/unicode.js b/node_modules/pdfjs-dist/lib/core/unicode.js
new file mode 100644
index 00000000..d07d5e64
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/unicode.js
@@ -0,0 +1,1899 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var getLookupTableFactory = require("./core_utils.js").getLookupTableFactory;
+
+var getSpecialPUASymbols = getLookupTableFactory(function (t) {
+  t[63721] = 0x00a9;
+  t[63193] = 0x00a9;
+  t[63720] = 0x00ae;
+  t[63194] = 0x00ae;
+  t[63722] = 0x2122;
+  t[63195] = 0x2122;
+  t[63729] = 0x23a7;
+  t[63730] = 0x23a8;
+  t[63731] = 0x23a9;
+  t[63740] = 0x23ab;
+  t[63741] = 0x23ac;
+  t[63742] = 0x23ad;
+  t[63726] = 0x23a1;
+  t[63727] = 0x23a2;
+  t[63728] = 0x23a3;
+  t[63737] = 0x23a4;
+  t[63738] = 0x23a5;
+  t[63739] = 0x23a6;
+  t[63723] = 0x239b;
+  t[63724] = 0x239c;
+  t[63725] = 0x239d;
+  t[63734] = 0x239e;
+  t[63735] = 0x239f;
+  t[63736] = 0x23a0;
+});
+
+function mapSpecialUnicodeValues(code) {
+  if (code >= 0xfff0 && code <= 0xffff) {
+    return 0;
+  } else if (code >= 0xf600 && code <= 0xf8ff) {
+    return getSpecialPUASymbols()[code] || code;
+  } else if (code === 0x00ad) {
+    return 0x002d;
+  }
+
+  return code;
+}
+
+function getUnicodeForGlyph(name, glyphsUnicodeMap) {
+  var unicode = glyphsUnicodeMap[name];
+
+  if (unicode !== undefined) {
+    return unicode;
+  }
+
+  if (!name) {
+    return -1;
+  }
+
+  if (name[0] === "u") {
+    var nameLen = name.length,
+        hexStr;
+
+    if (nameLen === 7 && name[1] === "n" && name[2] === "i") {
+      hexStr = name.substring(3);
+    } else if (nameLen >= 5 && nameLen <= 7) {
+      hexStr = name.substring(1);
+    } else {
+      return -1;
+    }
+
+    if (hexStr === hexStr.toUpperCase()) {
+      unicode = parseInt(hexStr, 16);
+
+      if (unicode >= 0) {
+        return unicode;
+      }
+    }
+  }
+
+  return -1;
+}
+
+var UnicodeRanges = [{
+  begin: 0x0000,
+  end: 0x007f
+}, {
+  begin: 0x0080,
+  end: 0x00ff
+}, {
+  begin: 0x0100,
+  end: 0x017f
+}, {
+  begin: 0x0180,
+  end: 0x024f
+}, {
+  begin: 0x0250,
+  end: 0x02af
+}, {
+  begin: 0x02b0,
+  end: 0x02ff
+}, {
+  begin: 0x0300,
+  end: 0x036f
+}, {
+  begin: 0x0370,
+  end: 0x03ff
+}, {
+  begin: 0x2c80,
+  end: 0x2cff
+}, {
+  begin: 0x0400,
+  end: 0x04ff
+}, {
+  begin: 0x0530,
+  end: 0x058f
+}, {
+  begin: 0x0590,
+  end: 0x05ff
+}, {
+  begin: 0xa500,
+  end: 0xa63f
+}, {
+  begin: 0x0600,
+  end: 0x06ff
+}, {
+  begin: 0x07c0,
+  end: 0x07ff
+}, {
+  begin: 0x0900,
+  end: 0x097f
+}, {
+  begin: 0x0980,
+  end: 0x09ff
+}, {
+  begin: 0x0a00,
+  end: 0x0a7f
+}, {
+  begin: 0x0a80,
+  end: 0x0aff
+}, {
+  begin: 0x0b00,
+  end: 0x0b7f
+}, {
+  begin: 0x0b80,
+  end: 0x0bff
+}, {
+  begin: 0x0c00,
+  end: 0x0c7f
+}, {
+  begin: 0x0c80,
+  end: 0x0cff
+}, {
+  begin: 0x0d00,
+  end: 0x0d7f
+}, {
+  begin: 0x0e00,
+  end: 0x0e7f
+}, {
+  begin: 0x0e80,
+  end: 0x0eff
+}, {
+  begin: 0x10a0,
+  end: 0x10ff
+}, {
+  begin: 0x1b00,
+  end: 0x1b7f
+}, {
+  begin: 0x1100,
+  end: 0x11ff
+}, {
+  begin: 0x1e00,
+  end: 0x1eff
+}, {
+  begin: 0x1f00,
+  end: 0x1fff
+}, {
+  begin: 0x2000,
+  end: 0x206f
+}, {
+  begin: 0x2070,
+  end: 0x209f
+}, {
+  begin: 0x20a0,
+  end: 0x20cf
+}, {
+  begin: 0x20d0,
+  end: 0x20ff
+}, {
+  begin: 0x2100,
+  end: 0x214f
+}, {
+  begin: 0x2150,
+  end: 0x218f
+}, {
+  begin: 0x2190,
+  end: 0x21ff
+}, {
+  begin: 0x2200,
+  end: 0x22ff
+}, {
+  begin: 0x2300,
+  end: 0x23ff
+}, {
+  begin: 0x2400,
+  end: 0x243f
+}, {
+  begin: 0x2440,
+  end: 0x245f
+}, {
+  begin: 0x2460,
+  end: 0x24ff
+}, {
+  begin: 0x2500,
+  end: 0x257f
+}, {
+  begin: 0x2580,
+  end: 0x259f
+}, {
+  begin: 0x25a0,
+  end: 0x25ff
+}, {
+  begin: 0x2600,
+  end: 0x26ff
+}, {
+  begin: 0x2700,
+  end: 0x27bf
+}, {
+  begin: 0x3000,
+  end: 0x303f
+}, {
+  begin: 0x3040,
+  end: 0x309f
+}, {
+  begin: 0x30a0,
+  end: 0x30ff
+}, {
+  begin: 0x3100,
+  end: 0x312f
+}, {
+  begin: 0x3130,
+  end: 0x318f
+}, {
+  begin: 0xa840,
+  end: 0xa87f
+}, {
+  begin: 0x3200,
+  end: 0x32ff
+}, {
+  begin: 0x3300,
+  end: 0x33ff
+}, {
+  begin: 0xac00,
+  end: 0xd7af
+}, {
+  begin: 0xd800,
+  end: 0xdfff
+}, {
+  begin: 0x10900,
+  end: 0x1091f
+}, {
+  begin: 0x4e00,
+  end: 0x9fff
+}, {
+  begin: 0xe000,
+  end: 0xf8ff
+}, {
+  begin: 0x31c0,
+  end: 0x31ef
+}, {
+  begin: 0xfb00,
+  end: 0xfb4f
+}, {
+  begin: 0xfb50,
+  end: 0xfdff
+}, {
+  begin: 0xfe20,
+  end: 0xfe2f
+}, {
+  begin: 0xfe10,
+  end: 0xfe1f
+}, {
+  begin: 0xfe50,
+  end: 0xfe6f
+}, {
+  begin: 0xfe70,
+  end: 0xfeff
+}, {
+  begin: 0xff00,
+  end: 0xffef
+}, {
+  begin: 0xfff0,
+  end: 0xffff
+}, {
+  begin: 0x0f00,
+  end: 0x0fff
+}, {
+  begin: 0x0700,
+  end: 0x074f
+}, {
+  begin: 0x0780,
+  end: 0x07bf
+}, {
+  begin: 0x0d80,
+  end: 0x0dff
+}, {
+  begin: 0x1000,
+  end: 0x109f
+}, {
+  begin: 0x1200,
+  end: 0x137f
+}, {
+  begin: 0x13a0,
+  end: 0x13ff
+}, {
+  begin: 0x1400,
+  end: 0x167f
+}, {
+  begin: 0x1680,
+  end: 0x169f
+}, {
+  begin: 0x16a0,
+  end: 0x16ff
+}, {
+  begin: 0x1780,
+  end: 0x17ff
+}, {
+  begin: 0x1800,
+  end: 0x18af
+}, {
+  begin: 0x2800,
+  end: 0x28ff
+}, {
+  begin: 0xa000,
+  end: 0xa48f
+}, {
+  begin: 0x1700,
+  end: 0x171f
+}, {
+  begin: 0x10300,
+  end: 0x1032f
+}, {
+  begin: 0x10330,
+  end: 0x1034f
+}, {
+  begin: 0x10400,
+  end: 0x1044f
+}, {
+  begin: 0x1d000,
+  end: 0x1d0ff
+}, {
+  begin: 0x1d400,
+  end: 0x1d7ff
+}, {
+  begin: 0xff000,
+  end: 0xffffd
+}, {
+  begin: 0xfe00,
+  end: 0xfe0f
+}, {
+  begin: 0xe0000,
+  end: 0xe007f
+}, {
+  begin: 0x1900,
+  end: 0x194f
+}, {
+  begin: 0x1950,
+  end: 0x197f
+}, {
+  begin: 0x1980,
+  end: 0x19df
+}, {
+  begin: 0x1a00,
+  end: 0x1a1f
+}, {
+  begin: 0x2c00,
+  end: 0x2c5f
+}, {
+  begin: 0x2d30,
+  end: 0x2d7f
+}, {
+  begin: 0x4dc0,
+  end: 0x4dff
+}, {
+  begin: 0xa800,
+  end: 0xa82f
+}, {
+  begin: 0x10000,
+  end: 0x1007f
+}, {
+  begin: 0x10140,
+  end: 0x1018f
+}, {
+  begin: 0x10380,
+  end: 0x1039f
+}, {
+  begin: 0x103a0,
+  end: 0x103df
+}, {
+  begin: 0x10450,
+  end: 0x1047f
+}, {
+  begin: 0x10480,
+  end: 0x104af
+}, {
+  begin: 0x10800,
+  end: 0x1083f
+}, {
+  begin: 0x10a00,
+  end: 0x10a5f
+}, {
+  begin: 0x1d300,
+  end: 0x1d35f
+}, {
+  begin: 0x12000,
+  end: 0x123ff
+}, {
+  begin: 0x1d360,
+  end: 0x1d37f
+}, {
+  begin: 0x1b80,
+  end: 0x1bbf
+}, {
+  begin: 0x1c00,
+  end: 0x1c4f
+}, {
+  begin: 0x1c50,
+  end: 0x1c7f
+}, {
+  begin: 0xa880,
+  end: 0xa8df
+}, {
+  begin: 0xa900,
+  end: 0xa92f
+}, {
+  begin: 0xa930,
+  end: 0xa95f
+}, {
+  begin: 0xaa00,
+  end: 0xaa5f
+}, {
+  begin: 0x10190,
+  end: 0x101cf
+}, {
+  begin: 0x101d0,
+  end: 0x101ff
+}, {
+  begin: 0x102a0,
+  end: 0x102df
+}, {
+  begin: 0x1f030,
+  end: 0x1f09f
+}];
+
+function getUnicodeRangeFor(value) {
+  for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {
+    var range = UnicodeRanges[i];
+
+    if (value >= range.begin && value < range.end) {
+      return i;
+    }
+  }
+
+  return -1;
+}
+
+function isRTLRangeFor(value) {
+  var range = UnicodeRanges[13];
+
+  if (value >= range.begin && value < range.end) {
+    return true;
+  }
+
+  range = UnicodeRanges[11];
+
+  if (value >= range.begin && value < range.end) {
+    return true;
+  }
+
+  return false;
+}
+
+var getNormalizedUnicodes = getLookupTableFactory(function (t) {
+  t["\u00A8"] = "\u0020\u0308";
+  t["\u00AF"] = "\u0020\u0304";
+  t["\u00B4"] = "\u0020\u0301";
+  t["\u00B5"] = "\u03BC";
+  t["\u00B8"] = "\u0020\u0327";
+  t["\u0132"] = "\u0049\u004A";
+  t["\u0133"] = "\u0069\u006A";
+  t["\u013F"] = "\u004C\u00B7";
+  t["\u0140"] = "\u006C\u00B7";
+  t["\u0149"] = "\u02BC\u006E";
+  t["\u017F"] = "\u0073";
+  t["\u01C4"] = "\u0044\u017D";
+  t["\u01C5"] = "\u0044\u017E";
+  t["\u01C6"] = "\u0064\u017E";
+  t["\u01C7"] = "\u004C\u004A";
+  t["\u01C8"] = "\u004C\u006A";
+  t["\u01C9"] = "\u006C\u006A";
+  t["\u01CA"] = "\u004E\u004A";
+  t["\u01CB"] = "\u004E\u006A";
+  t["\u01CC"] = "\u006E\u006A";
+  t["\u01F1"] = "\u0044\u005A";
+  t["\u01F2"] = "\u0044\u007A";
+  t["\u01F3"] = "\u0064\u007A";
+  t["\u02D8"] = "\u0020\u0306";
+  t["\u02D9"] = "\u0020\u0307";
+  t["\u02DA"] = "\u0020\u030A";
+  t["\u02DB"] = "\u0020\u0328";
+  t["\u02DC"] = "\u0020\u0303";
+  t["\u02DD"] = "\u0020\u030B";
+  t["\u037A"] = "\u0020\u0345";
+  t["\u0384"] = "\u0020\u0301";
+  t["\u03D0"] = "\u03B2";
+  t["\u03D1"] = "\u03B8";
+  t["\u03D2"] = "\u03A5";
+  t["\u03D5"] = "\u03C6";
+  t["\u03D6"] = "\u03C0";
+  t["\u03F0"] = "\u03BA";
+  t["\u03F1"] = "\u03C1";
+  t["\u03F2"] = "\u03C2";
+  t["\u03F4"] = "\u0398";
+  t["\u03F5"] = "\u03B5";
+  t["\u03F9"] = "\u03A3";
+  t["\u0587"] = "\u0565\u0582";
+  t["\u0675"] = "\u0627\u0674";
+  t["\u0676"] = "\u0648\u0674";
+  t["\u0677"] = "\u06C7\u0674";
+  t["\u0678"] = "\u064A\u0674";
+  t["\u0E33"] = "\u0E4D\u0E32";
+  t["\u0EB3"] = "\u0ECD\u0EB2";
+  t["\u0EDC"] = "\u0EAB\u0E99";
+  t["\u0EDD"] = "\u0EAB\u0EA1";
+  t["\u0F77"] = "\u0FB2\u0F81";
+  t["\u0F79"] = "\u0FB3\u0F81";
+  t["\u1E9A"] = "\u0061\u02BE";
+  t["\u1FBD"] = "\u0020\u0313";
+  t["\u1FBF"] = "\u0020\u0313";
+  t["\u1FC0"] = "\u0020\u0342";
+  t["\u1FFE"] = "\u0020\u0314";
+  t["\u2002"] = "\u0020";
+  t["\u2003"] = "\u0020";
+  t["\u2004"] = "\u0020";
+  t["\u2005"] = "\u0020";
+  t["\u2006"] = "\u0020";
+  t["\u2008"] = "\u0020";
+  t["\u2009"] = "\u0020";
+  t["\u200A"] = "\u0020";
+  t["\u2017"] = "\u0020\u0333";
+  t["\u2024"] = "\u002E";
+  t["\u2025"] = "\u002E\u002E";
+  t["\u2026"] = "\u002E\u002E\u002E";
+  t["\u2033"] = "\u2032\u2032";
+  t["\u2034"] = "\u2032\u2032\u2032";
+  t["\u2036"] = "\u2035\u2035";
+  t["\u2037"] = "\u2035\u2035\u2035";
+  t["\u203C"] = "\u0021\u0021";
+  t["\u203E"] = "\u0020\u0305";
+  t["\u2047"] = "\u003F\u003F";
+  t["\u2048"] = "\u003F\u0021";
+  t["\u2049"] = "\u0021\u003F";
+  t["\u2057"] = "\u2032\u2032\u2032\u2032";
+  t["\u205F"] = "\u0020";
+  t["\u20A8"] = "\u0052\u0073";
+  t["\u2100"] = "\u0061\u002F\u0063";
+  t["\u2101"] = "\u0061\u002F\u0073";
+  t["\u2103"] = "\u00B0\u0043";
+  t["\u2105"] = "\u0063\u002F\u006F";
+  t["\u2106"] = "\u0063\u002F\u0075";
+  t["\u2107"] = "\u0190";
+  t["\u2109"] = "\u00B0\u0046";
+  t["\u2116"] = "\u004E\u006F";
+  t["\u2121"] = "\u0054\u0045\u004C";
+  t["\u2135"] = "\u05D0";
+  t["\u2136"] = "\u05D1";
+  t["\u2137"] = "\u05D2";
+  t["\u2138"] = "\u05D3";
+  t["\u213B"] = "\u0046\u0041\u0058";
+  t["\u2160"] = "\u0049";
+  t["\u2161"] = "\u0049\u0049";
+  t["\u2162"] = "\u0049\u0049\u0049";
+  t["\u2163"] = "\u0049\u0056";
+  t["\u2164"] = "\u0056";
+  t["\u2165"] = "\u0056\u0049";
+  t["\u2166"] = "\u0056\u0049\u0049";
+  t["\u2167"] = "\u0056\u0049\u0049\u0049";
+  t["\u2168"] = "\u0049\u0058";
+  t["\u2169"] = "\u0058";
+  t["\u216A"] = "\u0058\u0049";
+  t["\u216B"] = "\u0058\u0049\u0049";
+  t["\u216C"] = "\u004C";
+  t["\u216D"] = "\u0043";
+  t["\u216E"] = "\u0044";
+  t["\u216F"] = "\u004D";
+  t["\u2170"] = "\u0069";
+  t["\u2171"] = "\u0069\u0069";
+  t["\u2172"] = "\u0069\u0069\u0069";
+  t["\u2173"] = "\u0069\u0076";
+  t["\u2174"] = "\u0076";
+  t["\u2175"] = "\u0076\u0069";
+  t["\u2176"] = "\u0076\u0069\u0069";
+  t["\u2177"] = "\u0076\u0069\u0069\u0069";
+  t["\u2178"] = "\u0069\u0078";
+  t["\u2179"] = "\u0078";
+  t["\u217A"] = "\u0078\u0069";
+  t["\u217B"] = "\u0078\u0069\u0069";
+  t["\u217C"] = "\u006C";
+  t["\u217D"] = "\u0063";
+  t["\u217E"] = "\u0064";
+  t["\u217F"] = "\u006D";
+  t["\u222C"] = "\u222B\u222B";
+  t["\u222D"] = "\u222B\u222B\u222B";
+  t["\u222F"] = "\u222E\u222E";
+  t["\u2230"] = "\u222E\u222E\u222E";
+  t["\u2474"] = "\u0028\u0031\u0029";
+  t["\u2475"] = "\u0028\u0032\u0029";
+  t["\u2476"] = "\u0028\u0033\u0029";
+  t["\u2477"] = "\u0028\u0034\u0029";
+  t["\u2478"] = "\u0028\u0035\u0029";
+  t["\u2479"] = "\u0028\u0036\u0029";
+  t["\u247A"] = "\u0028\u0037\u0029";
+  t["\u247B"] = "\u0028\u0038\u0029";
+  t["\u247C"] = "\u0028\u0039\u0029";
+  t["\u247D"] = "\u0028\u0031\u0030\u0029";
+  t["\u247E"] = "\u0028\u0031\u0031\u0029";
+  t["\u247F"] = "\u0028\u0031\u0032\u0029";
+  t["\u2480"] = "\u0028\u0031\u0033\u0029";
+  t["\u2481"] = "\u0028\u0031\u0034\u0029";
+  t["\u2482"] = "\u0028\u0031\u0035\u0029";
+  t["\u2483"] = "\u0028\u0031\u0036\u0029";
+  t["\u2484"] = "\u0028\u0031\u0037\u0029";
+  t["\u2485"] = "\u0028\u0031\u0038\u0029";
+  t["\u2486"] = "\u0028\u0031\u0039\u0029";
+  t["\u2487"] = "\u0028\u0032\u0030\u0029";
+  t["\u2488"] = "\u0031\u002E";
+  t["\u2489"] = "\u0032\u002E";
+  t["\u248A"] = "\u0033\u002E";
+  t["\u248B"] = "\u0034\u002E";
+  t["\u248C"] = "\u0035\u002E";
+  t["\u248D"] = "\u0036\u002E";
+  t["\u248E"] = "\u0037\u002E";
+  t["\u248F"] = "\u0038\u002E";
+  t["\u2490"] = "\u0039\u002E";
+  t["\u2491"] = "\u0031\u0030\u002E";
+  t["\u2492"] = "\u0031\u0031\u002E";
+  t["\u2493"] = "\u0031\u0032\u002E";
+  t["\u2494"] = "\u0031\u0033\u002E";
+  t["\u2495"] = "\u0031\u0034\u002E";
+  t["\u2496"] = "\u0031\u0035\u002E";
+  t["\u2497"] = "\u0031\u0036\u002E";
+  t["\u2498"] = "\u0031\u0037\u002E";
+  t["\u2499"] = "\u0031\u0038\u002E";
+  t["\u249A"] = "\u0031\u0039\u002E";
+  t["\u249B"] = "\u0032\u0030\u002E";
+  t["\u249C"] = "\u0028\u0061\u0029";
+  t["\u249D"] = "\u0028\u0062\u0029";
+  t["\u249E"] = "\u0028\u0063\u0029";
+  t["\u249F"] = "\u0028\u0064\u0029";
+  t["\u24A0"] = "\u0028\u0065\u0029";
+  t["\u24A1"] = "\u0028\u0066\u0029";
+  t["\u24A2"] = "\u0028\u0067\u0029";
+  t["\u24A3"] = "\u0028\u0068\u0029";
+  t["\u24A4"] = "\u0028\u0069\u0029";
+  t["\u24A5"] = "\u0028\u006A\u0029";
+  t["\u24A6"] = "\u0028\u006B\u0029";
+  t["\u24A7"] = "\u0028\u006C\u0029";
+  t["\u24A8"] = "\u0028\u006D\u0029";
+  t["\u24A9"] = "\u0028\u006E\u0029";
+  t["\u24AA"] = "\u0028\u006F\u0029";
+  t["\u24AB"] = "\u0028\u0070\u0029";
+  t["\u24AC"] = "\u0028\u0071\u0029";
+  t["\u24AD"] = "\u0028\u0072\u0029";
+  t["\u24AE"] = "\u0028\u0073\u0029";
+  t["\u24AF"] = "\u0028\u0074\u0029";
+  t["\u24B0"] = "\u0028\u0075\u0029";
+  t["\u24B1"] = "\u0028\u0076\u0029";
+  t["\u24B2"] = "\u0028\u0077\u0029";
+  t["\u24B3"] = "\u0028\u0078\u0029";
+  t["\u24B4"] = "\u0028\u0079\u0029";
+  t["\u24B5"] = "\u0028\u007A\u0029";
+  t["\u2A0C"] = "\u222B\u222B\u222B\u222B";
+  t["\u2A74"] = "\u003A\u003A\u003D";
+  t["\u2A75"] = "\u003D\u003D";
+  t["\u2A76"] = "\u003D\u003D\u003D";
+  t["\u2E9F"] = "\u6BCD";
+  t["\u2EF3"] = "\u9F9F";
+  t["\u2F00"] = "\u4E00";
+  t["\u2F01"] = "\u4E28";
+  t["\u2F02"] = "\u4E36";
+  t["\u2F03"] = "\u4E3F";
+  t["\u2F04"] = "\u4E59";
+  t["\u2F05"] = "\u4E85";
+  t["\u2F06"] = "\u4E8C";
+  t["\u2F07"] = "\u4EA0";
+  t["\u2F08"] = "\u4EBA";
+  t["\u2F09"] = "\u513F";
+  t["\u2F0A"] = "\u5165";
+  t["\u2F0B"] = "\u516B";
+  t["\u2F0C"] = "\u5182";
+  t["\u2F0D"] = "\u5196";
+  t["\u2F0E"] = "\u51AB";
+  t["\u2F0F"] = "\u51E0";
+  t["\u2F10"] = "\u51F5";
+  t["\u2F11"] = "\u5200";
+  t["\u2F12"] = "\u529B";
+  t["\u2F13"] = "\u52F9";
+  t["\u2F14"] = "\u5315";
+  t["\u2F15"] = "\u531A";
+  t["\u2F16"] = "\u5338";
+  t["\u2F17"] = "\u5341";
+  t["\u2F18"] = "\u535C";
+  t["\u2F19"] = "\u5369";
+  t["\u2F1A"] = "\u5382";
+  t["\u2F1B"] = "\u53B6";
+  t["\u2F1C"] = "\u53C8";
+  t["\u2F1D"] = "\u53E3";
+  t["\u2F1E"] = "\u56D7";
+  t["\u2F1F"] = "\u571F";
+  t["\u2F20"] = "\u58EB";
+  t["\u2F21"] = "\u5902";
+  t["\u2F22"] = "\u590A";
+  t["\u2F23"] = "\u5915";
+  t["\u2F24"] = "\u5927";
+  t["\u2F25"] = "\u5973";
+  t["\u2F26"] = "\u5B50";
+  t["\u2F27"] = "\u5B80";
+  t["\u2F28"] = "\u5BF8";
+  t["\u2F29"] = "\u5C0F";
+  t["\u2F2A"] = "\u5C22";
+  t["\u2F2B"] = "\u5C38";
+  t["\u2F2C"] = "\u5C6E";
+  t["\u2F2D"] = "\u5C71";
+  t["\u2F2E"] = "\u5DDB";
+  t["\u2F2F"] = "\u5DE5";
+  t["\u2F30"] = "\u5DF1";
+  t["\u2F31"] = "\u5DFE";
+  t["\u2F32"] = "\u5E72";
+  t["\u2F33"] = "\u5E7A";
+  t["\u2F34"] = "\u5E7F";
+  t["\u2F35"] = "\u5EF4";
+  t["\u2F36"] = "\u5EFE";
+  t["\u2F37"] = "\u5F0B";
+  t["\u2F38"] = "\u5F13";
+  t["\u2F39"] = "\u5F50";
+  t["\u2F3A"] = "\u5F61";
+  t["\u2F3B"] = "\u5F73";
+  t["\u2F3C"] = "\u5FC3";
+  t["\u2F3D"] = "\u6208";
+  t["\u2F3E"] = "\u6236";
+  t["\u2F3F"] = "\u624B";
+  t["\u2F40"] = "\u652F";
+  t["\u2F41"] = "\u6534";
+  t["\u2F42"] = "\u6587";
+  t["\u2F43"] = "\u6597";
+  t["\u2F44"] = "\u65A4";
+  t["\u2F45"] = "\u65B9";
+  t["\u2F46"] = "\u65E0";
+  t["\u2F47"] = "\u65E5";
+  t["\u2F48"] = "\u66F0";
+  t["\u2F49"] = "\u6708";
+  t["\u2F4A"] = "\u6728";
+  t["\u2F4B"] = "\u6B20";
+  t["\u2F4C"] = "\u6B62";
+  t["\u2F4D"] = "\u6B79";
+  t["\u2F4E"] = "\u6BB3";
+  t["\u2F4F"] = "\u6BCB";
+  t["\u2F50"] = "\u6BD4";
+  t["\u2F51"] = "\u6BDB";
+  t["\u2F52"] = "\u6C0F";
+  t["\u2F53"] = "\u6C14";
+  t["\u2F54"] = "\u6C34";
+  t["\u2F55"] = "\u706B";
+  t["\u2F56"] = "\u722A";
+  t["\u2F57"] = "\u7236";
+  t["\u2F58"] = "\u723B";
+  t["\u2F59"] = "\u723F";
+  t["\u2F5A"] = "\u7247";
+  t["\u2F5B"] = "\u7259";
+  t["\u2F5C"] = "\u725B";
+  t["\u2F5D"] = "\u72AC";
+  t["\u2F5E"] = "\u7384";
+  t["\u2F5F"] = "\u7389";
+  t["\u2F60"] = "\u74DC";
+  t["\u2F61"] = "\u74E6";
+  t["\u2F62"] = "\u7518";
+  t["\u2F63"] = "\u751F";
+  t["\u2F64"] = "\u7528";
+  t["\u2F65"] = "\u7530";
+  t["\u2F66"] = "\u758B";
+  t["\u2F67"] = "\u7592";
+  t["\u2F68"] = "\u7676";
+  t["\u2F69"] = "\u767D";
+  t["\u2F6A"] = "\u76AE";
+  t["\u2F6B"] = "\u76BF";
+  t["\u2F6C"] = "\u76EE";
+  t["\u2F6D"] = "\u77DB";
+  t["\u2F6E"] = "\u77E2";
+  t["\u2F6F"] = "\u77F3";
+  t["\u2F70"] = "\u793A";
+  t["\u2F71"] = "\u79B8";
+  t["\u2F72"] = "\u79BE";
+  t["\u2F73"] = "\u7A74";
+  t["\u2F74"] = "\u7ACB";
+  t["\u2F75"] = "\u7AF9";
+  t["\u2F76"] = "\u7C73";
+  t["\u2F77"] = "\u7CF8";
+  t["\u2F78"] = "\u7F36";
+  t["\u2F79"] = "\u7F51";
+  t["\u2F7A"] = "\u7F8A";
+  t["\u2F7B"] = "\u7FBD";
+  t["\u2F7C"] = "\u8001";
+  t["\u2F7D"] = "\u800C";
+  t["\u2F7E"] = "\u8012";
+  t["\u2F7F"] = "\u8033";
+  t["\u2F80"] = "\u807F";
+  t["\u2F81"] = "\u8089";
+  t["\u2F82"] = "\u81E3";
+  t["\u2F83"] = "\u81EA";
+  t["\u2F84"] = "\u81F3";
+  t["\u2F85"] = "\u81FC";
+  t["\u2F86"] = "\u820C";
+  t["\u2F87"] = "\u821B";
+  t["\u2F88"] = "\u821F";
+  t["\u2F89"] = "\u826E";
+  t["\u2F8A"] = "\u8272";
+  t["\u2F8B"] = "\u8278";
+  t["\u2F8C"] = "\u864D";
+  t["\u2F8D"] = "\u866B";
+  t["\u2F8E"] = "\u8840";
+  t["\u2F8F"] = "\u884C";
+  t["\u2F90"] = "\u8863";
+  t["\u2F91"] = "\u897E";
+  t["\u2F92"] = "\u898B";
+  t["\u2F93"] = "\u89D2";
+  t["\u2F94"] = "\u8A00";
+  t["\u2F95"] = "\u8C37";
+  t["\u2F96"] = "\u8C46";
+  t["\u2F97"] = "\u8C55";
+  t["\u2F98"] = "\u8C78";
+  t["\u2F99"] = "\u8C9D";
+  t["\u2F9A"] = "\u8D64";
+  t["\u2F9B"] = "\u8D70";
+  t["\u2F9C"] = "\u8DB3";
+  t["\u2F9D"] = "\u8EAB";
+  t["\u2F9E"] = "\u8ECA";
+  t["\u2F9F"] = "\u8F9B";
+  t["\u2FA0"] = "\u8FB0";
+  t["\u2FA1"] = "\u8FB5";
+  t["\u2FA2"] = "\u9091";
+  t["\u2FA3"] = "\u9149";
+  t["\u2FA4"] = "\u91C6";
+  t["\u2FA5"] = "\u91CC";
+  t["\u2FA6"] = "\u91D1";
+  t["\u2FA7"] = "\u9577";
+  t["\u2FA8"] = "\u9580";
+  t["\u2FA9"] = "\u961C";
+  t["\u2FAA"] = "\u96B6";
+  t["\u2FAB"] = "\u96B9";
+  t["\u2FAC"] = "\u96E8";
+  t["\u2FAD"] = "\u9751";
+  t["\u2FAE"] = "\u975E";
+  t["\u2FAF"] = "\u9762";
+  t["\u2FB0"] = "\u9769";
+  t["\u2FB1"] = "\u97CB";
+  t["\u2FB2"] = "\u97ED";
+  t["\u2FB3"] = "\u97F3";
+  t["\u2FB4"] = "\u9801";
+  t["\u2FB5"] = "\u98A8";
+  t["\u2FB6"] = "\u98DB";
+  t["\u2FB7"] = "\u98DF";
+  t["\u2FB8"] = "\u9996";
+  t["\u2FB9"] = "\u9999";
+  t["\u2FBA"] = "\u99AC";
+  t["\u2FBB"] = "\u9AA8";
+  t["\u2FBC"] = "\u9AD8";
+  t["\u2FBD"] = "\u9ADF";
+  t["\u2FBE"] = "\u9B25";
+  t["\u2FBF"] = "\u9B2F";
+  t["\u2FC0"] = "\u9B32";
+  t["\u2FC1"] = "\u9B3C";
+  t["\u2FC2"] = "\u9B5A";
+  t["\u2FC3"] = "\u9CE5";
+  t["\u2FC4"] = "\u9E75";
+  t["\u2FC5"] = "\u9E7F";
+  t["\u2FC6"] = "\u9EA5";
+  t["\u2FC7"] = "\u9EBB";
+  t["\u2FC8"] = "\u9EC3";
+  t["\u2FC9"] = "\u9ECD";
+  t["\u2FCA"] = "\u9ED1";
+  t["\u2FCB"] = "\u9EF9";
+  t["\u2FCC"] = "\u9EFD";
+  t["\u2FCD"] = "\u9F0E";
+  t["\u2FCE"] = "\u9F13";
+  t["\u2FCF"] = "\u9F20";
+  t["\u2FD0"] = "\u9F3B";
+  t["\u2FD1"] = "\u9F4A";
+  t["\u2FD2"] = "\u9F52";
+  t["\u2FD3"] = "\u9F8D";
+  t["\u2FD4"] = "\u9F9C";
+  t["\u2FD5"] = "\u9FA0";
+  t["\u3036"] = "\u3012";
+  t["\u3038"] = "\u5341";
+  t["\u3039"] = "\u5344";
+  t["\u303A"] = "\u5345";
+  t["\u309B"] = "\u0020\u3099";
+  t["\u309C"] = "\u0020\u309A";
+  t["\u3131"] = "\u1100";
+  t["\u3132"] = "\u1101";
+  t["\u3133"] = "\u11AA";
+  t["\u3134"] = "\u1102";
+  t["\u3135"] = "\u11AC";
+  t["\u3136"] = "\u11AD";
+  t["\u3137"] = "\u1103";
+  t["\u3138"] = "\u1104";
+  t["\u3139"] = "\u1105";
+  t["\u313A"] = "\u11B0";
+  t["\u313B"] = "\u11B1";
+  t["\u313C"] = "\u11B2";
+  t["\u313D"] = "\u11B3";
+  t["\u313E"] = "\u11B4";
+  t["\u313F"] = "\u11B5";
+  t["\u3140"] = "\u111A";
+  t["\u3141"] = "\u1106";
+  t["\u3142"] = "\u1107";
+  t["\u3143"] = "\u1108";
+  t["\u3144"] = "\u1121";
+  t["\u3145"] = "\u1109";
+  t["\u3146"] = "\u110A";
+  t["\u3147"] = "\u110B";
+  t["\u3148"] = "\u110C";
+  t["\u3149"] = "\u110D";
+  t["\u314A"] = "\u110E";
+  t["\u314B"] = "\u110F";
+  t["\u314C"] = "\u1110";
+  t["\u314D"] = "\u1111";
+  t["\u314E"] = "\u1112";
+  t["\u314F"] = "\u1161";
+  t["\u3150"] = "\u1162";
+  t["\u3151"] = "\u1163";
+  t["\u3152"] = "\u1164";
+  t["\u3153"] = "\u1165";
+  t["\u3154"] = "\u1166";
+  t["\u3155"] = "\u1167";
+  t["\u3156"] = "\u1168";
+  t["\u3157"] = "\u1169";
+  t["\u3158"] = "\u116A";
+  t["\u3159"] = "\u116B";
+  t["\u315A"] = "\u116C";
+  t["\u315B"] = "\u116D";
+  t["\u315C"] = "\u116E";
+  t["\u315D"] = "\u116F";
+  t["\u315E"] = "\u1170";
+  t["\u315F"] = "\u1171";
+  t["\u3160"] = "\u1172";
+  t["\u3161"] = "\u1173";
+  t["\u3162"] = "\u1174";
+  t["\u3163"] = "\u1175";
+  t["\u3164"] = "\u1160";
+  t["\u3165"] = "\u1114";
+  t["\u3166"] = "\u1115";
+  t["\u3167"] = "\u11C7";
+  t["\u3168"] = "\u11C8";
+  t["\u3169"] = "\u11CC";
+  t["\u316A"] = "\u11CE";
+  t["\u316B"] = "\u11D3";
+  t["\u316C"] = "\u11D7";
+  t["\u316D"] = "\u11D9";
+  t["\u316E"] = "\u111C";
+  t["\u316F"] = "\u11DD";
+  t["\u3170"] = "\u11DF";
+  t["\u3171"] = "\u111D";
+  t["\u3172"] = "\u111E";
+  t["\u3173"] = "\u1120";
+  t["\u3174"] = "\u1122";
+  t["\u3175"] = "\u1123";
+  t["\u3176"] = "\u1127";
+  t["\u3177"] = "\u1129";
+  t["\u3178"] = "\u112B";
+  t["\u3179"] = "\u112C";
+  t["\u317A"] = "\u112D";
+  t["\u317B"] = "\u112E";
+  t["\u317C"] = "\u112F";
+  t["\u317D"] = "\u1132";
+  t["\u317E"] = "\u1136";
+  t["\u317F"] = "\u1140";
+  t["\u3180"] = "\u1147";
+  t["\u3181"] = "\u114C";
+  t["\u3182"] = "\u11F1";
+  t["\u3183"] = "\u11F2";
+  t["\u3184"] = "\u1157";
+  t["\u3185"] = "\u1158";
+  t["\u3186"] = "\u1159";
+  t["\u3187"] = "\u1184";
+  t["\u3188"] = "\u1185";
+  t["\u3189"] = "\u1188";
+  t["\u318A"] = "\u1191";
+  t["\u318B"] = "\u1192";
+  t["\u318C"] = "\u1194";
+  t["\u318D"] = "\u119E";
+  t["\u318E"] = "\u11A1";
+  t["\u3200"] = "\u0028\u1100\u0029";
+  t["\u3201"] = "\u0028\u1102\u0029";
+  t["\u3202"] = "\u0028\u1103\u0029";
+  t["\u3203"] = "\u0028\u1105\u0029";
+  t["\u3204"] = "\u0028\u1106\u0029";
+  t["\u3205"] = "\u0028\u1107\u0029";
+  t["\u3206"] = "\u0028\u1109\u0029";
+  t["\u3207"] = "\u0028\u110B\u0029";
+  t["\u3208"] = "\u0028\u110C\u0029";
+  t["\u3209"] = "\u0028\u110E\u0029";
+  t["\u320A"] = "\u0028\u110F\u0029";
+  t["\u320B"] = "\u0028\u1110\u0029";
+  t["\u320C"] = "\u0028\u1111\u0029";
+  t["\u320D"] = "\u0028\u1112\u0029";
+  t["\u320E"] = "\u0028\u1100\u1161\u0029";
+  t["\u320F"] = "\u0028\u1102\u1161\u0029";
+  t["\u3210"] = "\u0028\u1103\u1161\u0029";
+  t["\u3211"] = "\u0028\u1105\u1161\u0029";
+  t["\u3212"] = "\u0028\u1106\u1161\u0029";
+  t["\u3213"] = "\u0028\u1107\u1161\u0029";
+  t["\u3214"] = "\u0028\u1109\u1161\u0029";
+  t["\u3215"] = "\u0028\u110B\u1161\u0029";
+  t["\u3216"] = "\u0028\u110C\u1161\u0029";
+  t["\u3217"] = "\u0028\u110E\u1161\u0029";
+  t["\u3218"] = "\u0028\u110F\u1161\u0029";
+  t["\u3219"] = "\u0028\u1110\u1161\u0029";
+  t["\u321A"] = "\u0028\u1111\u1161\u0029";
+  t["\u321B"] = "\u0028\u1112\u1161\u0029";
+  t["\u321C"] = "\u0028\u110C\u116E\u0029";
+  t["\u321D"] = "\u0028\u110B\u1169\u110C\u1165\u11AB\u0029";
+  t["\u321E"] = "\u0028\u110B\u1169\u1112\u116E\u0029";
+  t["\u3220"] = "\u0028\u4E00\u0029";
+  t["\u3221"] = "\u0028\u4E8C\u0029";
+  t["\u3222"] = "\u0028\u4E09\u0029";
+  t["\u3223"] = "\u0028\u56DB\u0029";
+  t["\u3224"] = "\u0028\u4E94\u0029";
+  t["\u3225"] = "\u0028\u516D\u0029";
+  t["\u3226"] = "\u0028\u4E03\u0029";
+  t["\u3227"] = "\u0028\u516B\u0029";
+  t["\u3228"] = "\u0028\u4E5D\u0029";
+  t["\u3229"] = "\u0028\u5341\u0029";
+  t["\u322A"] = "\u0028\u6708\u0029";
+  t["\u322B"] = "\u0028\u706B\u0029";
+  t["\u322C"] = "\u0028\u6C34\u0029";
+  t["\u322D"] = "\u0028\u6728\u0029";
+  t["\u322E"] = "\u0028\u91D1\u0029";
+  t["\u322F"] = "\u0028\u571F\u0029";
+  t["\u3230"] = "\u0028\u65E5\u0029";
+  t["\u3231"] = "\u0028\u682A\u0029";
+  t["\u3232"] = "\u0028\u6709\u0029";
+  t["\u3233"] = "\u0028\u793E\u0029";
+  t["\u3234"] = "\u0028\u540D\u0029";
+  t["\u3235"] = "\u0028\u7279\u0029";
+  t["\u3236"] = "\u0028\u8CA1\u0029";
+  t["\u3237"] = "\u0028\u795D\u0029";
+  t["\u3238"] = "\u0028\u52B4\u0029";
+  t["\u3239"] = "\u0028\u4EE3\u0029";
+  t["\u323A"] = "\u0028\u547C\u0029";
+  t["\u323B"] = "\u0028\u5B66\u0029";
+  t["\u323C"] = "\u0028\u76E3\u0029";
+  t["\u323D"] = "\u0028\u4F01\u0029";
+  t["\u323E"] = "\u0028\u8CC7\u0029";
+  t["\u323F"] = "\u0028\u5354\u0029";
+  t["\u3240"] = "\u0028\u796D\u0029";
+  t["\u3241"] = "\u0028\u4F11\u0029";
+  t["\u3242"] = "\u0028\u81EA\u0029";
+  t["\u3243"] = "\u0028\u81F3\u0029";
+  t["\u32C0"] = "\u0031\u6708";
+  t["\u32C1"] = "\u0032\u6708";
+  t["\u32C2"] = "\u0033\u6708";
+  t["\u32C3"] = "\u0034\u6708";
+  t["\u32C4"] = "\u0035\u6708";
+  t["\u32C5"] = "\u0036\u6708";
+  t["\u32C6"] = "\u0037\u6708";
+  t["\u32C7"] = "\u0038\u6708";
+  t["\u32C8"] = "\u0039\u6708";
+  t["\u32C9"] = "\u0031\u0030\u6708";
+  t["\u32CA"] = "\u0031\u0031\u6708";
+  t["\u32CB"] = "\u0031\u0032\u6708";
+  t["\u3358"] = "\u0030\u70B9";
+  t["\u3359"] = "\u0031\u70B9";
+  t["\u335A"] = "\u0032\u70B9";
+  t["\u335B"] = "\u0033\u70B9";
+  t["\u335C"] = "\u0034\u70B9";
+  t["\u335D"] = "\u0035\u70B9";
+  t["\u335E"] = "\u0036\u70B9";
+  t["\u335F"] = "\u0037\u70B9";
+  t["\u3360"] = "\u0038\u70B9";
+  t["\u3361"] = "\u0039\u70B9";
+  t["\u3362"] = "\u0031\u0030\u70B9";
+  t["\u3363"] = "\u0031\u0031\u70B9";
+  t["\u3364"] = "\u0031\u0032\u70B9";
+  t["\u3365"] = "\u0031\u0033\u70B9";
+  t["\u3366"] = "\u0031\u0034\u70B9";
+  t["\u3367"] = "\u0031\u0035\u70B9";
+  t["\u3368"] = "\u0031\u0036\u70B9";
+  t["\u3369"] = "\u0031\u0037\u70B9";
+  t["\u336A"] = "\u0031\u0038\u70B9";
+  t["\u336B"] = "\u0031\u0039\u70B9";
+  t["\u336C"] = "\u0032\u0030\u70B9";
+  t["\u336D"] = "\u0032\u0031\u70B9";
+  t["\u336E"] = "\u0032\u0032\u70B9";
+  t["\u336F"] = "\u0032\u0033\u70B9";
+  t["\u3370"] = "\u0032\u0034\u70B9";
+  t["\u33E0"] = "\u0031\u65E5";
+  t["\u33E1"] = "\u0032\u65E5";
+  t["\u33E2"] = "\u0033\u65E5";
+  t["\u33E3"] = "\u0034\u65E5";
+  t["\u33E4"] = "\u0035\u65E5";
+  t["\u33E5"] = "\u0036\u65E5";
+  t["\u33E6"] = "\u0037\u65E5";
+  t["\u33E7"] = "\u0038\u65E5";
+  t["\u33E8"] = "\u0039\u65E5";
+  t["\u33E9"] = "\u0031\u0030\u65E5";
+  t["\u33EA"] = "\u0031\u0031\u65E5";
+  t["\u33EB"] = "\u0031\u0032\u65E5";
+  t["\u33EC"] = "\u0031\u0033\u65E5";
+  t["\u33ED"] = "\u0031\u0034\u65E5";
+  t["\u33EE"] = "\u0031\u0035\u65E5";
+  t["\u33EF"] = "\u0031\u0036\u65E5";
+  t["\u33F0"] = "\u0031\u0037\u65E5";
+  t["\u33F1"] = "\u0031\u0038\u65E5";
+  t["\u33F2"] = "\u0031\u0039\u65E5";
+  t["\u33F3"] = "\u0032\u0030\u65E5";
+  t["\u33F4"] = "\u0032\u0031\u65E5";
+  t["\u33F5"] = "\u0032\u0032\u65E5";
+  t["\u33F6"] = "\u0032\u0033\u65E5";
+  t["\u33F7"] = "\u0032\u0034\u65E5";
+  t["\u33F8"] = "\u0032\u0035\u65E5";
+  t["\u33F9"] = "\u0032\u0036\u65E5";
+  t["\u33FA"] = "\u0032\u0037\u65E5";
+  t["\u33FB"] = "\u0032\u0038\u65E5";
+  t["\u33FC"] = "\u0032\u0039\u65E5";
+  t["\u33FD"] = "\u0033\u0030\u65E5";
+  t["\u33FE"] = "\u0033\u0031\u65E5";
+  t["\uFB00"] = "\u0066\u0066";
+  t["\uFB01"] = "\u0066\u0069";
+  t["\uFB02"] = "\u0066\u006C";
+  t["\uFB03"] = "\u0066\u0066\u0069";
+  t["\uFB04"] = "\u0066\u0066\u006C";
+  t["\uFB05"] = "\u017F\u0074";
+  t["\uFB06"] = "\u0073\u0074";
+  t["\uFB13"] = "\u0574\u0576";
+  t["\uFB14"] = "\u0574\u0565";
+  t["\uFB15"] = "\u0574\u056B";
+  t["\uFB16"] = "\u057E\u0576";
+  t["\uFB17"] = "\u0574\u056D";
+  t["\uFB4F"] = "\u05D0\u05DC";
+  t["\uFB50"] = "\u0671";
+  t["\uFB51"] = "\u0671";
+  t["\uFB52"] = "\u067B";
+  t["\uFB53"] = "\u067B";
+  t["\uFB54"] = "\u067B";
+  t["\uFB55"] = "\u067B";
+  t["\uFB56"] = "\u067E";
+  t["\uFB57"] = "\u067E";
+  t["\uFB58"] = "\u067E";
+  t["\uFB59"] = "\u067E";
+  t["\uFB5A"] = "\u0680";
+  t["\uFB5B"] = "\u0680";
+  t["\uFB5C"] = "\u0680";
+  t["\uFB5D"] = "\u0680";
+  t["\uFB5E"] = "\u067A";
+  t["\uFB5F"] = "\u067A";
+  t["\uFB60"] = "\u067A";
+  t["\uFB61"] = "\u067A";
+  t["\uFB62"] = "\u067F";
+  t["\uFB63"] = "\u067F";
+  t["\uFB64"] = "\u067F";
+  t["\uFB65"] = "\u067F";
+  t["\uFB66"] = "\u0679";
+  t["\uFB67"] = "\u0679";
+  t["\uFB68"] = "\u0679";
+  t["\uFB69"] = "\u0679";
+  t["\uFB6A"] = "\u06A4";
+  t["\uFB6B"] = "\u06A4";
+  t["\uFB6C"] = "\u06A4";
+  t["\uFB6D"] = "\u06A4";
+  t["\uFB6E"] = "\u06A6";
+  t["\uFB6F"] = "\u06A6";
+  t["\uFB70"] = "\u06A6";
+  t["\uFB71"] = "\u06A6";
+  t["\uFB72"] = "\u0684";
+  t["\uFB73"] = "\u0684";
+  t["\uFB74"] = "\u0684";
+  t["\uFB75"] = "\u0684";
+  t["\uFB76"] = "\u0683";
+  t["\uFB77"] = "\u0683";
+  t["\uFB78"] = "\u0683";
+  t["\uFB79"] = "\u0683";
+  t["\uFB7A"] = "\u0686";
+  t["\uFB7B"] = "\u0686";
+  t["\uFB7C"] = "\u0686";
+  t["\uFB7D"] = "\u0686";
+  t["\uFB7E"] = "\u0687";
+  t["\uFB7F"] = "\u0687";
+  t["\uFB80"] = "\u0687";
+  t["\uFB81"] = "\u0687";
+  t["\uFB82"] = "\u068D";
+  t["\uFB83"] = "\u068D";
+  t["\uFB84"] = "\u068C";
+  t["\uFB85"] = "\u068C";
+  t["\uFB86"] = "\u068E";
+  t["\uFB87"] = "\u068E";
+  t["\uFB88"] = "\u0688";
+  t["\uFB89"] = "\u0688";
+  t["\uFB8A"] = "\u0698";
+  t["\uFB8B"] = "\u0698";
+  t["\uFB8C"] = "\u0691";
+  t["\uFB8D"] = "\u0691";
+  t["\uFB8E"] = "\u06A9";
+  t["\uFB8F"] = "\u06A9";
+  t["\uFB90"] = "\u06A9";
+  t["\uFB91"] = "\u06A9";
+  t["\uFB92"] = "\u06AF";
+  t["\uFB93"] = "\u06AF";
+  t["\uFB94"] = "\u06AF";
+  t["\uFB95"] = "\u06AF";
+  t["\uFB96"] = "\u06B3";
+  t["\uFB97"] = "\u06B3";
+  t["\uFB98"] = "\u06B3";
+  t["\uFB99"] = "\u06B3";
+  t["\uFB9A"] = "\u06B1";
+  t["\uFB9B"] = "\u06B1";
+  t["\uFB9C"] = "\u06B1";
+  t["\uFB9D"] = "\u06B1";
+  t["\uFB9E"] = "\u06BA";
+  t["\uFB9F"] = "\u06BA";
+  t["\uFBA0"] = "\u06BB";
+  t["\uFBA1"] = "\u06BB";
+  t["\uFBA2"] = "\u06BB";
+  t["\uFBA3"] = "\u06BB";
+  t["\uFBA4"] = "\u06C0";
+  t["\uFBA5"] = "\u06C0";
+  t["\uFBA6"] = "\u06C1";
+  t["\uFBA7"] = "\u06C1";
+  t["\uFBA8"] = "\u06C1";
+  t["\uFBA9"] = "\u06C1";
+  t["\uFBAA"] = "\u06BE";
+  t["\uFBAB"] = "\u06BE";
+  t["\uFBAC"] = "\u06BE";
+  t["\uFBAD"] = "\u06BE";
+  t["\uFBAE"] = "\u06D2";
+  t["\uFBAF"] = "\u06D2";
+  t["\uFBB0"] = "\u06D3";
+  t["\uFBB1"] = "\u06D3";
+  t["\uFBD3"] = "\u06AD";
+  t["\uFBD4"] = "\u06AD";
+  t["\uFBD5"] = "\u06AD";
+  t["\uFBD6"] = "\u06AD";
+  t["\uFBD7"] = "\u06C7";
+  t["\uFBD8"] = "\u06C7";
+  t["\uFBD9"] = "\u06C6";
+  t["\uFBDA"] = "\u06C6";
+  t["\uFBDB"] = "\u06C8";
+  t["\uFBDC"] = "\u06C8";
+  t["\uFBDD"] = "\u0677";
+  t["\uFBDE"] = "\u06CB";
+  t["\uFBDF"] = "\u06CB";
+  t["\uFBE0"] = "\u06C5";
+  t["\uFBE1"] = "\u06C5";
+  t["\uFBE2"] = "\u06C9";
+  t["\uFBE3"] = "\u06C9";
+  t["\uFBE4"] = "\u06D0";
+  t["\uFBE5"] = "\u06D0";
+  t["\uFBE6"] = "\u06D0";
+  t["\uFBE7"] = "\u06D0";
+  t["\uFBE8"] = "\u0649";
+  t["\uFBE9"] = "\u0649";
+  t["\uFBEA"] = "\u0626\u0627";
+  t["\uFBEB"] = "\u0626\u0627";
+  t["\uFBEC"] = "\u0626\u06D5";
+  t["\uFBED"] = "\u0626\u06D5";
+  t["\uFBEE"] = "\u0626\u0648";
+  t["\uFBEF"] = "\u0626\u0648";
+  t["\uFBF0"] = "\u0626\u06C7";
+  t["\uFBF1"] = "\u0626\u06C7";
+  t["\uFBF2"] = "\u0626\u06C6";
+  t["\uFBF3"] = "\u0626\u06C6";
+  t["\uFBF4"] = "\u0626\u06C8";
+  t["\uFBF5"] = "\u0626\u06C8";
+  t["\uFBF6"] = "\u0626\u06D0";
+  t["\uFBF7"] = "\u0626\u06D0";
+  t["\uFBF8"] = "\u0626\u06D0";
+  t["\uFBF9"] = "\u0626\u0649";
+  t["\uFBFA"] = "\u0626\u0649";
+  t["\uFBFB"] = "\u0626\u0649";
+  t["\uFBFC"] = "\u06CC";
+  t["\uFBFD"] = "\u06CC";
+  t["\uFBFE"] = "\u06CC";
+  t["\uFBFF"] = "\u06CC";
+  t["\uFC00"] = "\u0626\u062C";
+  t["\uFC01"] = "\u0626\u062D";
+  t["\uFC02"] = "\u0626\u0645";
+  t["\uFC03"] = "\u0626\u0649";
+  t["\uFC04"] = "\u0626\u064A";
+  t["\uFC05"] = "\u0628\u062C";
+  t["\uFC06"] = "\u0628\u062D";
+  t["\uFC07"] = "\u0628\u062E";
+  t["\uFC08"] = "\u0628\u0645";
+  t["\uFC09"] = "\u0628\u0649";
+  t["\uFC0A"] = "\u0628\u064A";
+  t["\uFC0B"] = "\u062A\u062C";
+  t["\uFC0C"] = "\u062A\u062D";
+  t["\uFC0D"] = "\u062A\u062E";
+  t["\uFC0E"] = "\u062A\u0645";
+  t["\uFC0F"] = "\u062A\u0649";
+  t["\uFC10"] = "\u062A\u064A";
+  t["\uFC11"] = "\u062B\u062C";
+  t["\uFC12"] = "\u062B\u0645";
+  t["\uFC13"] = "\u062B\u0649";
+  t["\uFC14"] = "\u062B\u064A";
+  t["\uFC15"] = "\u062C\u062D";
+  t["\uFC16"] = "\u062C\u0645";
+  t["\uFC17"] = "\u062D\u062C";
+  t["\uFC18"] = "\u062D\u0645";
+  t["\uFC19"] = "\u062E\u062C";
+  t["\uFC1A"] = "\u062E\u062D";
+  t["\uFC1B"] = "\u062E\u0645";
+  t["\uFC1C"] = "\u0633\u062C";
+  t["\uFC1D"] = "\u0633\u062D";
+  t["\uFC1E"] = "\u0633\u062E";
+  t["\uFC1F"] = "\u0633\u0645";
+  t["\uFC20"] = "\u0635\u062D";
+  t["\uFC21"] = "\u0635\u0645";
+  t["\uFC22"] = "\u0636\u062C";
+  t["\uFC23"] = "\u0636\u062D";
+  t["\uFC24"] = "\u0636\u062E";
+  t["\uFC25"] = "\u0636\u0645";
+  t["\uFC26"] = "\u0637\u062D";
+  t["\uFC27"] = "\u0637\u0645";
+  t["\uFC28"] = "\u0638\u0645";
+  t["\uFC29"] = "\u0639\u062C";
+  t["\uFC2A"] = "\u0639\u0645";
+  t["\uFC2B"] = "\u063A\u062C";
+  t["\uFC2C"] = "\u063A\u0645";
+  t["\uFC2D"] = "\u0641\u062C";
+  t["\uFC2E"] = "\u0641\u062D";
+  t["\uFC2F"] = "\u0641\u062E";
+  t["\uFC30"] = "\u0641\u0645";
+  t["\uFC31"] = "\u0641\u0649";
+  t["\uFC32"] = "\u0641\u064A";
+  t["\uFC33"] = "\u0642\u062D";
+  t["\uFC34"] = "\u0642\u0645";
+  t["\uFC35"] = "\u0642\u0649";
+  t["\uFC36"] = "\u0642\u064A";
+  t["\uFC37"] = "\u0643\u0627";
+  t["\uFC38"] = "\u0643\u062C";
+  t["\uFC39"] = "\u0643\u062D";
+  t["\uFC3A"] = "\u0643\u062E";
+  t["\uFC3B"] = "\u0643\u0644";
+  t["\uFC3C"] = "\u0643\u0645";
+  t["\uFC3D"] = "\u0643\u0649";
+  t["\uFC3E"] = "\u0643\u064A";
+  t["\uFC3F"] = "\u0644\u062C";
+  t["\uFC40"] = "\u0644\u062D";
+  t["\uFC41"] = "\u0644\u062E";
+  t["\uFC42"] = "\u0644\u0645";
+  t["\uFC43"] = "\u0644\u0649";
+  t["\uFC44"] = "\u0644\u064A";
+  t["\uFC45"] = "\u0645\u062C";
+  t["\uFC46"] = "\u0645\u062D";
+  t["\uFC47"] = "\u0645\u062E";
+  t["\uFC48"] = "\u0645\u0645";
+  t["\uFC49"] = "\u0645\u0649";
+  t["\uFC4A"] = "\u0645\u064A";
+  t["\uFC4B"] = "\u0646\u062C";
+  t["\uFC4C"] = "\u0646\u062D";
+  t["\uFC4D"] = "\u0646\u062E";
+  t["\uFC4E"] = "\u0646\u0645";
+  t["\uFC4F"] = "\u0646\u0649";
+  t["\uFC50"] = "\u0646\u064A";
+  t["\uFC51"] = "\u0647\u062C";
+  t["\uFC52"] = "\u0647\u0645";
+  t["\uFC53"] = "\u0647\u0649";
+  t["\uFC54"] = "\u0647\u064A";
+  t["\uFC55"] = "\u064A\u062C";
+  t["\uFC56"] = "\u064A\u062D";
+  t["\uFC57"] = "\u064A\u062E";
+  t["\uFC58"] = "\u064A\u0645";
+  t["\uFC59"] = "\u064A\u0649";
+  t["\uFC5A"] = "\u064A\u064A";
+  t["\uFC5B"] = "\u0630\u0670";
+  t["\uFC5C"] = "\u0631\u0670";
+  t["\uFC5D"] = "\u0649\u0670";
+  t["\uFC5E"] = "\u0020\u064C\u0651";
+  t["\uFC5F"] = "\u0020\u064D\u0651";
+  t["\uFC60"] = "\u0020\u064E\u0651";
+  t["\uFC61"] = "\u0020\u064F\u0651";
+  t["\uFC62"] = "\u0020\u0650\u0651";
+  t["\uFC63"] = "\u0020\u0651\u0670";
+  t["\uFC64"] = "\u0626\u0631";
+  t["\uFC65"] = "\u0626\u0632";
+  t["\uFC66"] = "\u0626\u0645";
+  t["\uFC67"] = "\u0626\u0646";
+  t["\uFC68"] = "\u0626\u0649";
+  t["\uFC69"] = "\u0626\u064A";
+  t["\uFC6A"] = "\u0628\u0631";
+  t["\uFC6B"] = "\u0628\u0632";
+  t["\uFC6C"] = "\u0628\u0645";
+  t["\uFC6D"] = "\u0628\u0646";
+  t["\uFC6E"] = "\u0628\u0649";
+  t["\uFC6F"] = "\u0628\u064A";
+  t["\uFC70"] = "\u062A\u0631";
+  t["\uFC71"] = "\u062A\u0632";
+  t["\uFC72"] = "\u062A\u0645";
+  t["\uFC73"] = "\u062A\u0646";
+  t["\uFC74"] = "\u062A\u0649";
+  t["\uFC75"] = "\u062A\u064A";
+  t["\uFC76"] = "\u062B\u0631";
+  t["\uFC77"] = "\u062B\u0632";
+  t["\uFC78"] = "\u062B\u0645";
+  t["\uFC79"] = "\u062B\u0646";
+  t["\uFC7A"] = "\u062B\u0649";
+  t["\uFC7B"] = "\u062B\u064A";
+  t["\uFC7C"] = "\u0641\u0649";
+  t["\uFC7D"] = "\u0641\u064A";
+  t["\uFC7E"] = "\u0642\u0649";
+  t["\uFC7F"] = "\u0642\u064A";
+  t["\uFC80"] = "\u0643\u0627";
+  t["\uFC81"] = "\u0643\u0644";
+  t["\uFC82"] = "\u0643\u0645";
+  t["\uFC83"] = "\u0643\u0649";
+  t["\uFC84"] = "\u0643\u064A";
+  t["\uFC85"] = "\u0644\u0645";
+  t["\uFC86"] = "\u0644\u0649";
+  t["\uFC87"] = "\u0644\u064A";
+  t["\uFC88"] = "\u0645\u0627";
+  t["\uFC89"] = "\u0645\u0645";
+  t["\uFC8A"] = "\u0646\u0631";
+  t["\uFC8B"] = "\u0646\u0632";
+  t["\uFC8C"] = "\u0646\u0645";
+  t["\uFC8D"] = "\u0646\u0646";
+  t["\uFC8E"] = "\u0646\u0649";
+  t["\uFC8F"] = "\u0646\u064A";
+  t["\uFC90"] = "\u0649\u0670";
+  t["\uFC91"] = "\u064A\u0631";
+  t["\uFC92"] = "\u064A\u0632";
+  t["\uFC93"] = "\u064A\u0645";
+  t["\uFC94"] = "\u064A\u0646";
+  t["\uFC95"] = "\u064A\u0649";
+  t["\uFC96"] = "\u064A\u064A";
+  t["\uFC97"] = "\u0626\u062C";
+  t["\uFC98"] = "\u0626\u062D";
+  t["\uFC99"] = "\u0626\u062E";
+  t["\uFC9A"] = "\u0626\u0645";
+  t["\uFC9B"] = "\u0626\u0647";
+  t["\uFC9C"] = "\u0628\u062C";
+  t["\uFC9D"] = "\u0628\u062D";
+  t["\uFC9E"] = "\u0628\u062E";
+  t["\uFC9F"] = "\u0628\u0645";
+  t["\uFCA0"] = "\u0628\u0647";
+  t["\uFCA1"] = "\u062A\u062C";
+  t["\uFCA2"] = "\u062A\u062D";
+  t["\uFCA3"] = "\u062A\u062E";
+  t["\uFCA4"] = "\u062A\u0645";
+  t["\uFCA5"] = "\u062A\u0647";
+  t["\uFCA6"] = "\u062B\u0645";
+  t["\uFCA7"] = "\u062C\u062D";
+  t["\uFCA8"] = "\u062C\u0645";
+  t["\uFCA9"] = "\u062D\u062C";
+  t["\uFCAA"] = "\u062D\u0645";
+  t["\uFCAB"] = "\u062E\u062C";
+  t["\uFCAC"] = "\u062E\u0645";
+  t["\uFCAD"] = "\u0633\u062C";
+  t["\uFCAE"] = "\u0633\u062D";
+  t["\uFCAF"] = "\u0633\u062E";
+  t["\uFCB0"] = "\u0633\u0645";
+  t["\uFCB1"] = "\u0635\u062D";
+  t["\uFCB2"] = "\u0635\u062E";
+  t["\uFCB3"] = "\u0635\u0645";
+  t["\uFCB4"] = "\u0636\u062C";
+  t["\uFCB5"] = "\u0636\u062D";
+  t["\uFCB6"] = "\u0636\u062E";
+  t["\uFCB7"] = "\u0636\u0645";
+  t["\uFCB8"] = "\u0637\u062D";
+  t["\uFCB9"] = "\u0638\u0645";
+  t["\uFCBA"] = "\u0639\u062C";
+  t["\uFCBB"] = "\u0639\u0645";
+  t["\uFCBC"] = "\u063A\u062C";
+  t["\uFCBD"] = "\u063A\u0645";
+  t["\uFCBE"] = "\u0641\u062C";
+  t["\uFCBF"] = "\u0641\u062D";
+  t["\uFCC0"] = "\u0641\u062E";
+  t["\uFCC1"] = "\u0641\u0645";
+  t["\uFCC2"] = "\u0642\u062D";
+  t["\uFCC3"] = "\u0642\u0645";
+  t["\uFCC4"] = "\u0643\u062C";
+  t["\uFCC5"] = "\u0643\u062D";
+  t["\uFCC6"] = "\u0643\u062E";
+  t["\uFCC7"] = "\u0643\u0644";
+  t["\uFCC8"] = "\u0643\u0645";
+  t["\uFCC9"] = "\u0644\u062C";
+  t["\uFCCA"] = "\u0644\u062D";
+  t["\uFCCB"] = "\u0644\u062E";
+  t["\uFCCC"] = "\u0644\u0645";
+  t["\uFCCD"] = "\u0644\u0647";
+  t["\uFCCE"] = "\u0645\u062C";
+  t["\uFCCF"] = "\u0645\u062D";
+  t["\uFCD0"] = "\u0645\u062E";
+  t["\uFCD1"] = "\u0645\u0645";
+  t["\uFCD2"] = "\u0646\u062C";
+  t["\uFCD3"] = "\u0646\u062D";
+  t["\uFCD4"] = "\u0646\u062E";
+  t["\uFCD5"] = "\u0646\u0645";
+  t["\uFCD6"] = "\u0646\u0647";
+  t["\uFCD7"] = "\u0647\u062C";
+  t["\uFCD8"] = "\u0647\u0645";
+  t["\uFCD9"] = "\u0647\u0670";
+  t["\uFCDA"] = "\u064A\u062C";
+  t["\uFCDB"] = "\u064A\u062D";
+  t["\uFCDC"] = "\u064A\u062E";
+  t["\uFCDD"] = "\u064A\u0645";
+  t["\uFCDE"] = "\u064A\u0647";
+  t["\uFCDF"] = "\u0626\u0645";
+  t["\uFCE0"] = "\u0626\u0647";
+  t["\uFCE1"] = "\u0628\u0645";
+  t["\uFCE2"] = "\u0628\u0647";
+  t["\uFCE3"] = "\u062A\u0645";
+  t["\uFCE4"] = "\u062A\u0647";
+  t["\uFCE5"] = "\u062B\u0645";
+  t["\uFCE6"] = "\u062B\u0647";
+  t["\uFCE7"] = "\u0633\u0645";
+  t["\uFCE8"] = "\u0633\u0647";
+  t["\uFCE9"] = "\u0634\u0645";
+  t["\uFCEA"] = "\u0634\u0647";
+  t["\uFCEB"] = "\u0643\u0644";
+  t["\uFCEC"] = "\u0643\u0645";
+  t["\uFCED"] = "\u0644\u0645";
+  t["\uFCEE"] = "\u0646\u0645";
+  t["\uFCEF"] = "\u0646\u0647";
+  t["\uFCF0"] = "\u064A\u0645";
+  t["\uFCF1"] = "\u064A\u0647";
+  t["\uFCF2"] = "\u0640\u064E\u0651";
+  t["\uFCF3"] = "\u0640\u064F\u0651";
+  t["\uFCF4"] = "\u0640\u0650\u0651";
+  t["\uFCF5"] = "\u0637\u0649";
+  t["\uFCF6"] = "\u0637\u064A";
+  t["\uFCF7"] = "\u0639\u0649";
+  t["\uFCF8"] = "\u0639\u064A";
+  t["\uFCF9"] = "\u063A\u0649";
+  t["\uFCFA"] = "\u063A\u064A";
+  t["\uFCFB"] = "\u0633\u0649";
+  t["\uFCFC"] = "\u0633\u064A";
+  t["\uFCFD"] = "\u0634\u0649";
+  t["\uFCFE"] = "\u0634\u064A";
+  t["\uFCFF"] = "\u062D\u0649";
+  t["\uFD00"] = "\u062D\u064A";
+  t["\uFD01"] = "\u062C\u0649";
+  t["\uFD02"] = "\u062C\u064A";
+  t["\uFD03"] = "\u062E\u0649";
+  t["\uFD04"] = "\u062E\u064A";
+  t["\uFD05"] = "\u0635\u0649";
+  t["\uFD06"] = "\u0635\u064A";
+  t["\uFD07"] = "\u0636\u0649";
+  t["\uFD08"] = "\u0636\u064A";
+  t["\uFD09"] = "\u0634\u062C";
+  t["\uFD0A"] = "\u0634\u062D";
+  t["\uFD0B"] = "\u0634\u062E";
+  t["\uFD0C"] = "\u0634\u0645";
+  t["\uFD0D"] = "\u0634\u0631";
+  t["\uFD0E"] = "\u0633\u0631";
+  t["\uFD0F"] = "\u0635\u0631";
+  t["\uFD10"] = "\u0636\u0631";
+  t["\uFD11"] = "\u0637\u0649";
+  t["\uFD12"] = "\u0637\u064A";
+  t["\uFD13"] = "\u0639\u0649";
+  t["\uFD14"] = "\u0639\u064A";
+  t["\uFD15"] = "\u063A\u0649";
+  t["\uFD16"] = "\u063A\u064A";
+  t["\uFD17"] = "\u0633\u0649";
+  t["\uFD18"] = "\u0633\u064A";
+  t["\uFD19"] = "\u0634\u0649";
+  t["\uFD1A"] = "\u0634\u064A";
+  t["\uFD1B"] = "\u062D\u0649";
+  t["\uFD1C"] = "\u062D\u064A";
+  t["\uFD1D"] = "\u062C\u0649";
+  t["\uFD1E"] = "\u062C\u064A";
+  t["\uFD1F"] = "\u062E\u0649";
+  t["\uFD20"] = "\u062E\u064A";
+  t["\uFD21"] = "\u0635\u0649";
+  t["\uFD22"] = "\u0635\u064A";
+  t["\uFD23"] = "\u0636\u0649";
+  t["\uFD24"] = "\u0636\u064A";
+  t["\uFD25"] = "\u0634\u062C";
+  t["\uFD26"] = "\u0634\u062D";
+  t["\uFD27"] = "\u0634\u062E";
+  t["\uFD28"] = "\u0634\u0645";
+  t["\uFD29"] = "\u0634\u0631";
+  t["\uFD2A"] = "\u0633\u0631";
+  t["\uFD2B"] = "\u0635\u0631";
+  t["\uFD2C"] = "\u0636\u0631";
+  t["\uFD2D"] = "\u0634\u062C";
+  t["\uFD2E"] = "\u0634\u062D";
+  t["\uFD2F"] = "\u0634\u062E";
+  t["\uFD30"] = "\u0634\u0645";
+  t["\uFD31"] = "\u0633\u0647";
+  t["\uFD32"] = "\u0634\u0647";
+  t["\uFD33"] = "\u0637\u0645";
+  t["\uFD34"] = "\u0633\u062C";
+  t["\uFD35"] = "\u0633\u062D";
+  t["\uFD36"] = "\u0633\u062E";
+  t["\uFD37"] = "\u0634\u062C";
+  t["\uFD38"] = "\u0634\u062D";
+  t["\uFD39"] = "\u0634\u062E";
+  t["\uFD3A"] = "\u0637\u0645";
+  t["\uFD3B"] = "\u0638\u0645";
+  t["\uFD3C"] = "\u0627\u064B";
+  t["\uFD3D"] = "\u0627\u064B";
+  t["\uFD50"] = "\u062A\u062C\u0645";
+  t["\uFD51"] = "\u062A\u062D\u062C";
+  t["\uFD52"] = "\u062A\u062D\u062C";
+  t["\uFD53"] = "\u062A\u062D\u0645";
+  t["\uFD54"] = "\u062A\u062E\u0645";
+  t["\uFD55"] = "\u062A\u0645\u062C";
+  t["\uFD56"] = "\u062A\u0645\u062D";
+  t["\uFD57"] = "\u062A\u0645\u062E";
+  t["\uFD58"] = "\u062C\u0645\u062D";
+  t["\uFD59"] = "\u062C\u0645\u062D";
+  t["\uFD5A"] = "\u062D\u0645\u064A";
+  t["\uFD5B"] = "\u062D\u0645\u0649";
+  t["\uFD5C"] = "\u0633\u062D\u062C";
+  t["\uFD5D"] = "\u0633\u062C\u062D";
+  t["\uFD5E"] = "\u0633\u062C\u0649";
+  t["\uFD5F"] = "\u0633\u0645\u062D";
+  t["\uFD60"] = "\u0633\u0645\u062D";
+  t["\uFD61"] = "\u0633\u0645\u062C";
+  t["\uFD62"] = "\u0633\u0645\u0645";
+  t["\uFD63"] = "\u0633\u0645\u0645";
+  t["\uFD64"] = "\u0635\u062D\u062D";
+  t["\uFD65"] = "\u0635\u062D\u062D";
+  t["\uFD66"] = "\u0635\u0645\u0645";
+  t["\uFD67"] = "\u0634\u062D\u0645";
+  t["\uFD68"] = "\u0634\u062D\u0645";
+  t["\uFD69"] = "\u0634\u062C\u064A";
+  t["\uFD6A"] = "\u0634\u0645\u062E";
+  t["\uFD6B"] = "\u0634\u0645\u062E";
+  t["\uFD6C"] = "\u0634\u0645\u0645";
+  t["\uFD6D"] = "\u0634\u0645\u0645";
+  t["\uFD6E"] = "\u0636\u062D\u0649";
+  t["\uFD6F"] = "\u0636\u062E\u0645";
+  t["\uFD70"] = "\u0636\u062E\u0645";
+  t["\uFD71"] = "\u0637\u0645\u062D";
+  t["\uFD72"] = "\u0637\u0645\u062D";
+  t["\uFD73"] = "\u0637\u0645\u0645";
+  t["\uFD74"] = "\u0637\u0645\u064A";
+  t["\uFD75"] = "\u0639\u062C\u0645";
+  t["\uFD76"] = "\u0639\u0645\u0645";
+  t["\uFD77"] = "\u0639\u0645\u0645";
+  t["\uFD78"] = "\u0639\u0645\u0649";
+  t["\uFD79"] = "\u063A\u0645\u0645";
+  t["\uFD7A"] = "\u063A\u0645\u064A";
+  t["\uFD7B"] = "\u063A\u0645\u0649";
+  t["\uFD7C"] = "\u0641\u062E\u0645";
+  t["\uFD7D"] = "\u0641\u062E\u0645";
+  t["\uFD7E"] = "\u0642\u0645\u062D";
+  t["\uFD7F"] = "\u0642\u0645\u0645";
+  t["\uFD80"] = "\u0644\u062D\u0645";
+  t["\uFD81"] = "\u0644\u062D\u064A";
+  t["\uFD82"] = "\u0644\u062D\u0649";
+  t["\uFD83"] = "\u0644\u062C\u062C";
+  t["\uFD84"] = "\u0644\u062C\u062C";
+  t["\uFD85"] = "\u0644\u062E\u0645";
+  t["\uFD86"] = "\u0644\u062E\u0645";
+  t["\uFD87"] = "\u0644\u0645\u062D";
+  t["\uFD88"] = "\u0644\u0645\u062D";
+  t["\uFD89"] = "\u0645\u062D\u062C";
+  t["\uFD8A"] = "\u0645\u062D\u0645";
+  t["\uFD8B"] = "\u0645\u062D\u064A";
+  t["\uFD8C"] = "\u0645\u062C\u062D";
+  t["\uFD8D"] = "\u0645\u062C\u0645";
+  t["\uFD8E"] = "\u0645\u062E\u062C";
+  t["\uFD8F"] = "\u0645\u062E\u0645";
+  t["\uFD92"] = "\u0645\u062C\u062E";
+  t["\uFD93"] = "\u0647\u0645\u062C";
+  t["\uFD94"] = "\u0647\u0645\u0645";
+  t["\uFD95"] = "\u0646\u062D\u0645";
+  t["\uFD96"] = "\u0646\u062D\u0649";
+  t["\uFD97"] = "\u0646\u062C\u0645";
+  t["\uFD98"] = "\u0646\u062C\u0645";
+  t["\uFD99"] = "\u0646\u062C\u0649";
+  t["\uFD9A"] = "\u0646\u0645\u064A";
+  t["\uFD9B"] = "\u0646\u0645\u0649";
+  t["\uFD9C"] = "\u064A\u0645\u0645";
+  t["\uFD9D"] = "\u064A\u0645\u0645";
+  t["\uFD9E"] = "\u0628\u062E\u064A";
+  t["\uFD9F"] = "\u062A\u062C\u064A";
+  t["\uFDA0"] = "\u062A\u062C\u0649";
+  t["\uFDA1"] = "\u062A\u062E\u064A";
+  t["\uFDA2"] = "\u062A\u062E\u0649";
+  t["\uFDA3"] = "\u062A\u0645\u064A";
+  t["\uFDA4"] = "\u062A\u0645\u0649";
+  t["\uFDA5"] = "\u062C\u0645\u064A";
+  t["\uFDA6"] = "\u062C\u062D\u0649";
+  t["\uFDA7"] = "\u062C\u0645\u0649";
+  t["\uFDA8"] = "\u0633\u062E\u0649";
+  t["\uFDA9"] = "\u0635\u062D\u064A";
+  t["\uFDAA"] = "\u0634\u062D\u064A";
+  t["\uFDAB"] = "\u0636\u062D\u064A";
+  t["\uFDAC"] = "\u0644\u062C\u064A";
+  t["\uFDAD"] = "\u0644\u0645\u064A";
+  t["\uFDAE"] = "\u064A\u062D\u064A";
+  t["\uFDAF"] = "\u064A\u062C\u064A";
+  t["\uFDB0"] = "\u064A\u0645\u064A";
+  t["\uFDB1"] = "\u0645\u0645\u064A";
+  t["\uFDB2"] = "\u0642\u0645\u064A";
+  t["\uFDB3"] = "\u0646\u062D\u064A";
+  t["\uFDB4"] = "\u0642\u0645\u062D";
+  t["\uFDB5"] = "\u0644\u062D\u0645";
+  t["\uFDB6"] = "\u0639\u0645\u064A";
+  t["\uFDB7"] = "\u0643\u0645\u064A";
+  t["\uFDB8"] = "\u0646\u062C\u062D";
+  t["\uFDB9"] = "\u0645\u062E\u064A";
+  t["\uFDBA"] = "\u0644\u062C\u0645";
+  t["\uFDBB"] = "\u0643\u0645\u0645";
+  t["\uFDBC"] = "\u0644\u062C\u0645";
+  t["\uFDBD"] = "\u0646\u062C\u062D";
+  t["\uFDBE"] = "\u062C\u062D\u064A";
+  t["\uFDBF"] = "\u062D\u062C\u064A";
+  t["\uFDC0"] = "\u0645\u062C\u064A";
+  t["\uFDC1"] = "\u0641\u0645\u064A";
+  t["\uFDC2"] = "\u0628\u062D\u064A";
+  t["\uFDC3"] = "\u0643\u0645\u0645";
+  t["\uFDC4"] = "\u0639\u062C\u0645";
+  t["\uFDC5"] = "\u0635\u0645\u0645";
+  t["\uFDC6"] = "\u0633\u062E\u064A";
+  t["\uFDC7"] = "\u0646\u062C\u064A";
+  t["\uFE49"] = "\u203E";
+  t["\uFE4A"] = "\u203E";
+  t["\uFE4B"] = "\u203E";
+  t["\uFE4C"] = "\u203E";
+  t["\uFE4D"] = "\u005F";
+  t["\uFE4E"] = "\u005F";
+  t["\uFE4F"] = "\u005F";
+  t["\uFE80"] = "\u0621";
+  t["\uFE81"] = "\u0622";
+  t["\uFE82"] = "\u0622";
+  t["\uFE83"] = "\u0623";
+  t["\uFE84"] = "\u0623";
+  t["\uFE85"] = "\u0624";
+  t["\uFE86"] = "\u0624";
+  t["\uFE87"] = "\u0625";
+  t["\uFE88"] = "\u0625";
+  t["\uFE89"] = "\u0626";
+  t["\uFE8A"] = "\u0626";
+  t["\uFE8B"] = "\u0626";
+  t["\uFE8C"] = "\u0626";
+  t["\uFE8D"] = "\u0627";
+  t["\uFE8E"] = "\u0627";
+  t["\uFE8F"] = "\u0628";
+  t["\uFE90"] = "\u0628";
+  t["\uFE91"] = "\u0628";
+  t["\uFE92"] = "\u0628";
+  t["\uFE93"] = "\u0629";
+  t["\uFE94"] = "\u0629";
+  t["\uFE95"] = "\u062A";
+  t["\uFE96"] = "\u062A";
+  t["\uFE97"] = "\u062A";
+  t["\uFE98"] = "\u062A";
+  t["\uFE99"] = "\u062B";
+  t["\uFE9A"] = "\u062B";
+  t["\uFE9B"] = "\u062B";
+  t["\uFE9C"] = "\u062B";
+  t["\uFE9D"] = "\u062C";
+  t["\uFE9E"] = "\u062C";
+  t["\uFE9F"] = "\u062C";
+  t["\uFEA0"] = "\u062C";
+  t["\uFEA1"] = "\u062D";
+  t["\uFEA2"] = "\u062D";
+  t["\uFEA3"] = "\u062D";
+  t["\uFEA4"] = "\u062D";
+  t["\uFEA5"] = "\u062E";
+  t["\uFEA6"] = "\u062E";
+  t["\uFEA7"] = "\u062E";
+  t["\uFEA8"] = "\u062E";
+  t["\uFEA9"] = "\u062F";
+  t["\uFEAA"] = "\u062F";
+  t["\uFEAB"] = "\u0630";
+  t["\uFEAC"] = "\u0630";
+  t["\uFEAD"] = "\u0631";
+  t["\uFEAE"] = "\u0631";
+  t["\uFEAF"] = "\u0632";
+  t["\uFEB0"] = "\u0632";
+  t["\uFEB1"] = "\u0633";
+  t["\uFEB2"] = "\u0633";
+  t["\uFEB3"] = "\u0633";
+  t["\uFEB4"] = "\u0633";
+  t["\uFEB5"] = "\u0634";
+  t["\uFEB6"] = "\u0634";
+  t["\uFEB7"] = "\u0634";
+  t["\uFEB8"] = "\u0634";
+  t["\uFEB9"] = "\u0635";
+  t["\uFEBA"] = "\u0635";
+  t["\uFEBB"] = "\u0635";
+  t["\uFEBC"] = "\u0635";
+  t["\uFEBD"] = "\u0636";
+  t["\uFEBE"] = "\u0636";
+  t["\uFEBF"] = "\u0636";
+  t["\uFEC0"] = "\u0636";
+  t["\uFEC1"] = "\u0637";
+  t["\uFEC2"] = "\u0637";
+  t["\uFEC3"] = "\u0637";
+  t["\uFEC4"] = "\u0637";
+  t["\uFEC5"] = "\u0638";
+  t["\uFEC6"] = "\u0638";
+  t["\uFEC7"] = "\u0638";
+  t["\uFEC8"] = "\u0638";
+  t["\uFEC9"] = "\u0639";
+  t["\uFECA"] = "\u0639";
+  t["\uFECB"] = "\u0639";
+  t["\uFECC"] = "\u0639";
+  t["\uFECD"] = "\u063A";
+  t["\uFECE"] = "\u063A";
+  t["\uFECF"] = "\u063A";
+  t["\uFED0"] = "\u063A";
+  t["\uFED1"] = "\u0641";
+  t["\uFED2"] = "\u0641";
+  t["\uFED3"] = "\u0641";
+  t["\uFED4"] = "\u0641";
+  t["\uFED5"] = "\u0642";
+  t["\uFED6"] = "\u0642";
+  t["\uFED7"] = "\u0642";
+  t["\uFED8"] = "\u0642";
+  t["\uFED9"] = "\u0643";
+  t["\uFEDA"] = "\u0643";
+  t["\uFEDB"] = "\u0643";
+  t["\uFEDC"] = "\u0643";
+  t["\uFEDD"] = "\u0644";
+  t["\uFEDE"] = "\u0644";
+  t["\uFEDF"] = "\u0644";
+  t["\uFEE0"] = "\u0644";
+  t["\uFEE1"] = "\u0645";
+  t["\uFEE2"] = "\u0645";
+  t["\uFEE3"] = "\u0645";
+  t["\uFEE4"] = "\u0645";
+  t["\uFEE5"] = "\u0646";
+  t["\uFEE6"] = "\u0646";
+  t["\uFEE7"] = "\u0646";
+  t["\uFEE8"] = "\u0646";
+  t["\uFEE9"] = "\u0647";
+  t["\uFEEA"] = "\u0647";
+  t["\uFEEB"] = "\u0647";
+  t["\uFEEC"] = "\u0647";
+  t["\uFEED"] = "\u0648";
+  t["\uFEEE"] = "\u0648";
+  t["\uFEEF"] = "\u0649";
+  t["\uFEF0"] = "\u0649";
+  t["\uFEF1"] = "\u064A";
+  t["\uFEF2"] = "\u064A";
+  t["\uFEF3"] = "\u064A";
+  t["\uFEF4"] = "\u064A";
+  t["\uFEF5"] = "\u0644\u0622";
+  t["\uFEF6"] = "\u0644\u0622";
+  t["\uFEF7"] = "\u0644\u0623";
+  t["\uFEF8"] = "\u0644\u0623";
+  t["\uFEF9"] = "\u0644\u0625";
+  t["\uFEFA"] = "\u0644\u0625";
+  t["\uFEFB"] = "\u0644\u0627";
+  t["\uFEFC"] = "\u0644\u0627";
+});
+
+function reverseIfRtl(chars) {
+  var charsLength = chars.length;
+
+  if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {
+    return chars;
+  }
+
+  var s = "";
+
+  for (var ii = charsLength - 1; ii >= 0; ii--) {
+    s += chars[ii];
+  }
+
+  return s;
+}
+
+exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;
+exports.reverseIfRtl = reverseIfRtl;
+exports.getUnicodeRangeFor = getUnicodeRangeFor;
+exports.getNormalizedUnicodes = getNormalizedUnicodes;
+exports.getUnicodeForGlyph = getUnicodeForGlyph;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/worker.js b/node_modules/pdfjs-dist/lib/core/worker.js
new file mode 100644
index 00000000..23cf7d98
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/worker.js
@@ -0,0 +1,623 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WorkerMessageHandler = exports.WorkerTask = void 0;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _pdf_manager = require("./pdf_manager.js");
+
+var _writer = require("./writer.js");
+
+var _is_node = require("../shared/is_node.js");
+
+var _message_handler = require("../shared/message_handler.js");
+
+var _worker_stream = require("./worker_stream.js");
+
+var _core_utils = require("./core_utils.js");
+
+class WorkerTask {
+  constructor(name) {
+    this.name = name;
+    this.terminated = false;
+    this._capability = (0, _util.createPromiseCapability)();
+  }
+
+  get finished() {
+    return this._capability.promise;
+  }
+
+  finish() {
+    this._capability.resolve();
+  }
+
+  terminate() {
+    this.terminated = true;
+  }
+
+  ensureNotTerminated() {
+    if (this.terminated) {
+      throw new Error("Worker task was terminated");
+    }
+  }
+
+}
+
+exports.WorkerTask = WorkerTask;
+
+class WorkerMessageHandler {
+  static setup(handler, port) {
+    var testMessageProcessed = false;
+    handler.on("test", function wphSetupTest(data) {
+      if (testMessageProcessed) {
+        return;
+      }
+
+      testMessageProcessed = true;
+
+      if (!(data instanceof Uint8Array)) {
+        handler.send("test", null);
+        return;
+      }
+
+      const supportTransfers = data[0] === 255;
+      handler.postMessageTransfers = supportTransfers;
+      handler.send("test", {
+        supportTransfers
+      });
+    });
+    handler.on("configure", function wphConfigure(data) {
+      (0, _util.setVerbosityLevel)(data.verbosity);
+    });
+    handler.on("GetDocRequest", function wphSetupDoc(data) {
+      return WorkerMessageHandler.createDocumentHandler(data, port);
+    });
+  }
+
+  static createDocumentHandler(docParams, port) {
+    var pdfManager;
+    var terminated = false;
+    var cancelXHRs = null;
+    var WorkerTasks = [];
+    const verbosity = (0, _util.getVerbosityLevel)();
+    const apiVersion = docParams.apiVersion;
+    const workerVersion = '2.6.347';
+
+    if (apiVersion !== workerVersion) {
+      throw new Error(`The API version "${apiVersion}" does not match ` + `the Worker version "${workerVersion}".`);
+    }
+
+    const enumerableProperties = [];
+
+    for (const property in []) {
+      enumerableProperties.push(property);
+    }
+
+    if (enumerableProperties.length) {
+      throw new Error("The `Array.prototype` contains unexpected enumerable properties: " + enumerableProperties.join(", ") + "; thus breaking e.g. `for...in` iteration of `Array`s.");
+    }
+
+    if (typeof ReadableStream === "undefined" || typeof Promise.allSettled === "undefined") {
+      throw new Error("The browser/environment lacks native support for critical " + "functionality used by the PDF.js library (e.g. " + "`ReadableStream` and/or `Promise.allSettled`); " + "please use an ES5-compatible build instead.");
+    }
+
+    var docId = docParams.docId;
+    var docBaseUrl = docParams.docBaseUrl;
+    var workerHandlerName = docParams.docId + "_worker";
+    var handler = new _message_handler.MessageHandler(workerHandlerName, docId, port);
+    handler.postMessageTransfers = docParams.postMessageTransfers;
+
+    function ensureNotTerminated() {
+      if (terminated) {
+        throw new Error("Worker was terminated");
+      }
+    }
+
+    function startWorkerTask(task) {
+      WorkerTasks.push(task);
+    }
+
+    function finishWorkerTask(task) {
+      task.finish();
+      var i = WorkerTasks.indexOf(task);
+      WorkerTasks.splice(i, 1);
+    }
+
+    async function loadDocument(recoveryMode) {
+      await pdfManager.ensureDoc("checkHeader");
+      await pdfManager.ensureDoc("parseStartXRef");
+      await pdfManager.ensureDoc("parse", [recoveryMode]);
+
+      if (!recoveryMode) {
+        await pdfManager.ensureDoc("checkFirstPage");
+      }
+
+      const [numPages, fingerprint] = await Promise.all([pdfManager.ensureDoc("numPages"), pdfManager.ensureDoc("fingerprint")]);
+      return {
+        numPages,
+        fingerprint
+      };
+    }
+
+    function getPdfManager(data, evaluatorOptions) {
+      var pdfManagerCapability = (0, _util.createPromiseCapability)();
+      let newPdfManager;
+      var source = data.source;
+
+      if (source.data) {
+        try {
+          newPdfManager = new _pdf_manager.LocalPdfManager(docId, source.data, source.password, evaluatorOptions, docBaseUrl);
+          pdfManagerCapability.resolve(newPdfManager);
+        } catch (ex) {
+          pdfManagerCapability.reject(ex);
+        }
+
+        return pdfManagerCapability.promise;
+      }
+
+      var pdfStream,
+          cachedChunks = [];
+
+      try {
+        pdfStream = new _worker_stream.PDFWorkerStream(handler);
+      } catch (ex) {
+        pdfManagerCapability.reject(ex);
+        return pdfManagerCapability.promise;
+      }
+
+      var fullRequest = pdfStream.getFullReader();
+      fullRequest.headersReady.then(function () {
+        if (!fullRequest.isRangeSupported) {
+          return;
+        }
+
+        var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported;
+        newPdfManager = new _pdf_manager.NetworkPdfManager(docId, pdfStream, {
+          msgHandler: handler,
+          password: source.password,
+          length: fullRequest.contentLength,
+          disableAutoFetch,
+          rangeChunkSize: source.rangeChunkSize
+        }, evaluatorOptions, docBaseUrl);
+
+        for (let i = 0; i < cachedChunks.length; i++) {
+          newPdfManager.sendProgressiveData(cachedChunks[i]);
+        }
+
+        cachedChunks = [];
+        pdfManagerCapability.resolve(newPdfManager);
+        cancelXHRs = null;
+      }).catch(function (reason) {
+        pdfManagerCapability.reject(reason);
+        cancelXHRs = null;
+      });
+      var loaded = 0;
+
+      var flushChunks = function () {
+        var pdfFile = (0, _util.arraysToBytes)(cachedChunks);
+
+        if (source.length && pdfFile.length !== source.length) {
+          (0, _util.warn)("reported HTTP length is different from actual");
+        }
+
+        try {
+          newPdfManager = new _pdf_manager.LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, docBaseUrl);
+          pdfManagerCapability.resolve(newPdfManager);
+        } catch (ex) {
+          pdfManagerCapability.reject(ex);
+        }
+
+        cachedChunks = [];
+      };
+
+      var readPromise = new Promise(function (resolve, reject) {
+        var readChunk = function ({
+          value,
+          done
+        }) {
+          try {
+            ensureNotTerminated();
+
+            if (done) {
+              if (!newPdfManager) {
+                flushChunks();
+              }
+
+              cancelXHRs = null;
+              return;
+            }
+
+            loaded += (0, _util.arrayByteLength)(value);
+
+            if (!fullRequest.isStreamingSupported) {
+              handler.send("DocProgress", {
+                loaded,
+                total: Math.max(loaded, fullRequest.contentLength || 0)
+              });
+            }
+
+            if (newPdfManager) {
+              newPdfManager.sendProgressiveData(value);
+            } else {
+              cachedChunks.push(value);
+            }
+
+            fullRequest.read().then(readChunk, reject);
+          } catch (e) {
+            reject(e);
+          }
+        };
+
+        fullRequest.read().then(readChunk, reject);
+      });
+      readPromise.catch(function (e) {
+        pdfManagerCapability.reject(e);
+        cancelXHRs = null;
+      });
+
+      cancelXHRs = function (reason) {
+        pdfStream.cancelAllRequests(reason);
+      };
+
+      return pdfManagerCapability.promise;
+    }
+
+    function setupDoc(data) {
+      function onSuccess(doc) {
+        ensureNotTerminated();
+        handler.send("GetDoc", {
+          pdfInfo: doc
+        });
+      }
+
+      function onFailure(ex) {
+        ensureNotTerminated();
+
+        if (ex instanceof _util.PasswordException) {
+          var task = new WorkerTask(`PasswordException: response ${ex.code}`);
+          startWorkerTask(task);
+          handler.sendWithPromise("PasswordRequest", ex).then(function ({
+            password
+          }) {
+            finishWorkerTask(task);
+            pdfManager.updatePassword(password);
+            pdfManagerReady();
+          }).catch(function () {
+            finishWorkerTask(task);
+            handler.send("DocException", ex);
+          });
+        } else if (ex instanceof _util.InvalidPDFException || ex instanceof _util.MissingPDFException || ex instanceof _util.UnexpectedResponseException || ex instanceof _util.UnknownErrorException) {
+          handler.send("DocException", ex);
+        } else {
+          handler.send("DocException", new _util.UnknownErrorException(ex.message, ex.toString()));
+        }
+      }
+
+      function pdfManagerReady() {
+        ensureNotTerminated();
+        loadDocument(false).then(onSuccess, function (reason) {
+          ensureNotTerminated();
+
+          if (!(reason instanceof _core_utils.XRefParseException)) {
+            onFailure(reason);
+            return;
+          }
+
+          pdfManager.requestLoadedStream();
+          pdfManager.onLoadedStream().then(function () {
+            ensureNotTerminated();
+            loadDocument(true).then(onSuccess, onFailure);
+          });
+        });
+      }
+
+      ensureNotTerminated();
+      var evaluatorOptions = {
+        maxImageSize: data.maxImageSize,
+        disableFontFace: data.disableFontFace,
+        ignoreErrors: data.ignoreErrors,
+        isEvalSupported: data.isEvalSupported,
+        fontExtraProperties: data.fontExtraProperties
+      };
+      getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
+        if (terminated) {
+          newPdfManager.terminate(new _util.AbortException("Worker was terminated."));
+          throw new Error("Worker was terminated");
+        }
+
+        pdfManager = newPdfManager;
+        pdfManager.onLoadedStream().then(function (stream) {
+          handler.send("DataLoaded", {
+            length: stream.bytes.byteLength
+          });
+        });
+      }).then(pdfManagerReady, onFailure);
+    }
+
+    handler.on("GetPage", function wphSetupGetPage(data) {
+      return pdfManager.getPage(data.pageIndex).then(function (page) {
+        return Promise.all([pdfManager.ensure(page, "rotate"), pdfManager.ensure(page, "ref"), pdfManager.ensure(page, "userUnit"), pdfManager.ensure(page, "view")]).then(function ([rotate, ref, userUnit, view]) {
+          return {
+            rotate,
+            ref,
+            userUnit,
+            view
+          };
+        });
+      });
+    });
+    handler.on("GetPageIndex", function wphSetupGetPageIndex({
+      ref
+    }) {
+      const pageRef = _primitives.Ref.get(ref.num, ref.gen);
+
+      return pdfManager.ensureCatalog("getPageIndex", [pageRef]);
+    });
+    handler.on("GetDestinations", function wphSetupGetDestinations(data) {
+      return pdfManager.ensureCatalog("destinations");
+    });
+    handler.on("GetDestination", function wphSetupGetDestination(data) {
+      return pdfManager.ensureCatalog("getDestination", [data.id]);
+    });
+    handler.on("GetPageLabels", function wphSetupGetPageLabels(data) {
+      return pdfManager.ensureCatalog("pageLabels");
+    });
+    handler.on("GetPageLayout", function wphSetupGetPageLayout(data) {
+      return pdfManager.ensureCatalog("pageLayout");
+    });
+    handler.on("GetPageMode", function wphSetupGetPageMode(data) {
+      return pdfManager.ensureCatalog("pageMode");
+    });
+    handler.on("GetViewerPreferences", function (data) {
+      return pdfManager.ensureCatalog("viewerPreferences");
+    });
+    handler.on("GetOpenAction", function (data) {
+      return pdfManager.ensureCatalog("openAction");
+    });
+    handler.on("GetAttachments", function wphSetupGetAttachments(data) {
+      return pdfManager.ensureCatalog("attachments");
+    });
+    handler.on("GetJavaScript", function wphSetupGetJavaScript(data) {
+      return pdfManager.ensureCatalog("javaScript");
+    });
+    handler.on("GetOutline", function wphSetupGetOutline(data) {
+      return pdfManager.ensureCatalog("documentOutline");
+    });
+    handler.on("GetOptionalContentConfig", function (data) {
+      return pdfManager.ensureCatalog("optionalContentConfig");
+    });
+    handler.on("GetPermissions", function (data) {
+      return pdfManager.ensureCatalog("permissions");
+    });
+    handler.on("GetMetadata", function wphSetupGetMetadata(data) {
+      return Promise.all([pdfManager.ensureDoc("documentInfo"), pdfManager.ensureCatalog("metadata")]);
+    });
+    handler.on("GetData", function wphSetupGetData(data) {
+      pdfManager.requestLoadedStream();
+      return pdfManager.onLoadedStream().then(function (stream) {
+        return stream.bytes;
+      });
+    });
+    handler.on("GetStats", function wphSetupGetStats(data) {
+      return pdfManager.ensureXRef("stats");
+    });
+    handler.on("GetAnnotations", function ({
+      pageIndex,
+      intent
+    }) {
+      return pdfManager.getPage(pageIndex).then(function (page) {
+        return page.getAnnotationsData(intent);
+      });
+    });
+    handler.on("SaveDocument", function ({
+      numPages,
+      annotationStorage,
+      filename
+    }) {
+      pdfManager.requestLoadedStream();
+      const promises = [pdfManager.onLoadedStream()];
+      const document = pdfManager.pdfDocument;
+
+      for (let pageIndex = 0; pageIndex < numPages; pageIndex++) {
+        promises.push(pdfManager.getPage(pageIndex).then(function (page) {
+          const task = new WorkerTask(`Save: page ${pageIndex}`);
+          return page.save(handler, task, annotationStorage);
+        }));
+      }
+
+      return Promise.all(promises).then(([stream, ...refs]) => {
+        let newRefs = [];
+
+        for (const ref of refs) {
+          newRefs = ref.filter(x => x !== null).reduce((a, b) => a.concat(b), newRefs);
+        }
+
+        if (newRefs.length === 0) {
+          return stream.bytes;
+        }
+
+        const xref = document.xref;
+        let newXrefInfo = Object.create(null);
+
+        if (xref.trailer) {
+          const _info = Object.create(null);
+
+          const xrefInfo = xref.trailer.get("Info") || null;
+
+          if (xrefInfo) {
+            xrefInfo.forEach((key, value) => {
+              if ((0, _util.isString)(key) && (0, _util.isString)(value)) {
+                _info[key] = (0, _util.stringToPDFString)(value);
+              }
+            });
+          }
+
+          newXrefInfo = {
+            rootRef: xref.trailer.getRaw("Root") || null,
+            encrypt: xref.trailer.getRaw("Encrypt") || null,
+            newRef: xref.getNewRef(),
+            infoRef: xref.trailer.getRaw("Info") || null,
+            info: _info,
+            fileIds: xref.trailer.getRaw("ID") || null,
+            startXRef: document.startXRef,
+            filename
+          };
+        }
+
+        xref.resetNewRef();
+        return (0, _writer.incrementalUpdate)(stream.bytes, newXrefInfo, newRefs);
+      });
+    });
+    handler.on("GetOperatorList", function wphSetupRenderPage(data, sink) {
+      var pageIndex = data.pageIndex;
+      pdfManager.getPage(pageIndex).then(function (page) {
+        var task = new WorkerTask(`GetOperatorList: page ${pageIndex}`);
+        startWorkerTask(task);
+        const start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+        page.getOperatorList({
+          handler,
+          sink,
+          task,
+          intent: data.intent,
+          renderInteractiveForms: data.renderInteractiveForms,
+          annotationStorage: data.annotationStorage
+        }).then(function (operatorListInfo) {
+          finishWorkerTask(task);
+
+          if (start) {
+            (0, _util.info)(`page=${pageIndex + 1} - getOperatorList: time=` + `${Date.now() - start}ms, len=${operatorListInfo.length}`);
+          }
+
+          sink.close();
+        }, function (reason) {
+          finishWorkerTask(task);
+
+          if (task.terminated) {
+            return;
+          }
+
+          handler.send("UnsupportedFeature", {
+            featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
+          });
+          sink.error(reason);
+        });
+      });
+    }, this);
+    handler.on("GetTextContent", function wphExtractText(data, sink) {
+      var pageIndex = data.pageIndex;
+
+      sink.onPull = function (desiredSize) {};
+
+      sink.onCancel = function (reason) {};
+
+      pdfManager.getPage(pageIndex).then(function (page) {
+        var task = new WorkerTask("GetTextContent: page " + pageIndex);
+        startWorkerTask(task);
+        const start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
+        page.extractTextContent({
+          handler,
+          task,
+          sink,
+          normalizeWhitespace: data.normalizeWhitespace,
+          combineTextItems: data.combineTextItems
+        }).then(function () {
+          finishWorkerTask(task);
+
+          if (start) {
+            (0, _util.info)(`page=${pageIndex + 1} - getTextContent: time=` + `${Date.now() - start}ms`);
+          }
+
+          sink.close();
+        }, function (reason) {
+          finishWorkerTask(task);
+
+          if (task.terminated) {
+            return;
+          }
+
+          sink.error(reason);
+        });
+      });
+    });
+    handler.on("FontFallback", function (data) {
+      return pdfManager.fontFallback(data.id, handler);
+    });
+    handler.on("Cleanup", function wphCleanup(data) {
+      return pdfManager.cleanup(true);
+    });
+    handler.on("Terminate", function wphTerminate(data) {
+      terminated = true;
+      const waitOn = [];
+
+      if (pdfManager) {
+        pdfManager.terminate(new _util.AbortException("Worker was terminated."));
+        const cleanupPromise = pdfManager.cleanup();
+        waitOn.push(cleanupPromise);
+        pdfManager = null;
+      } else {
+        (0, _primitives.clearPrimitiveCaches)();
+      }
+
+      if (cancelXHRs) {
+        cancelXHRs(new _util.AbortException("Worker was terminated."));
+      }
+
+      WorkerTasks.forEach(function (task) {
+        waitOn.push(task.finished);
+        task.terminate();
+      });
+      return Promise.all(waitOn).then(function () {
+        handler.destroy();
+        handler = null;
+      });
+    });
+    handler.on("Ready", function wphReady(data) {
+      setupDoc(docParams);
+      docParams = null;
+    });
+    return workerHandlerName;
+  }
+
+  static initializeFromPort(port) {
+    var handler = new _message_handler.MessageHandler("worker", "main", port);
+    WorkerMessageHandler.setup(handler, port);
+    handler.send("ready", null);
+  }
+
+}
+
+exports.WorkerMessageHandler = WorkerMessageHandler;
+
+function isMessagePort(maybePort) {
+  return typeof maybePort.postMessage === "function" && "onmessage" in maybePort;
+}
+
+if (typeof window === "undefined" && !_is_node.isNodeJS && typeof self !== "undefined" && isMessagePort(self)) {
+  WorkerMessageHandler.initializeFromPort(self);
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/worker_stream.js b/node_modules/pdfjs-dist/lib/core/worker_stream.js
new file mode 100644
index 00000000..98f55dc4
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/worker_stream.js
@@ -0,0 +1,168 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFWorkerStream = void 0;
+
+var _util = require("../shared/util.js");
+
+class PDFWorkerStream {
+  constructor(msgHandler) {
+    this._msgHandler = msgHandler;
+    this._contentLength = null;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFWorkerStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFWorkerStreamReader(this._msgHandler);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    const reader = new PDFWorkerStreamRangeReader(begin, end, this._msgHandler);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFWorkerStream = PDFWorkerStream;
+
+class PDFWorkerStreamReader {
+  constructor(msgHandler) {
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+    this._contentLength = null;
+    this._isRangeSupported = false;
+    this._isStreamingSupported = false;
+
+    const readableStream = this._msgHandler.sendWithStream("GetReader");
+
+    this._reader = readableStream.getReader();
+    this._headersReady = this._msgHandler.sendWithPromise("ReaderHeadersReady").then(data => {
+      this._isStreamingSupported = data.isStreamingSupported;
+      this._isRangeSupported = data.isRangeSupported;
+      this._contentLength = data.contentLength;
+    });
+  }
+
+  get headersReady() {
+    return this._headersReady;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  async read() {
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    return {
+      value: value.buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    this._reader.cancel(reason);
+  }
+
+}
+
+class PDFWorkerStreamRangeReader {
+  constructor(begin, end, msgHandler) {
+    this._msgHandler = msgHandler;
+    this.onProgress = null;
+
+    const readableStream = this._msgHandler.sendWithStream("GetRangeReader", {
+      begin,
+      end
+    });
+
+    this._reader = readableStream.getReader();
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    return {
+      value: value.buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    this._reader.cancel(reason);
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/core/writer.js b/node_modules/pdfjs-dist/lib/core/writer.js
new file mode 100644
index 00000000..46d3e435
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/core/writer.js
@@ -0,0 +1,242 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.writeDict = writeDict;
+exports.incrementalUpdate = incrementalUpdate;
+
+var _util = require("../shared/util.js");
+
+var _primitives = require("./primitives.js");
+
+var _crypto = require("./crypto.js");
+
+function writeDict(dict, buffer, transform) {
+  buffer.push("<<");
+
+  for (const key of dict.getKeys()) {
+    buffer.push(` /${key} `);
+    writeValue(dict.getRaw(key), buffer, transform);
+  }
+
+  buffer.push(">>");
+}
+
+function writeStream(stream, buffer, transform) {
+  writeDict(stream.dict, buffer, transform);
+  buffer.push(" stream\n");
+  let string = (0, _util.bytesToString)(stream.getBytes());
+
+  if (transform !== null) {
+    string = transform.encryptString(string);
+  }
+
+  buffer.push(string);
+  buffer.push("\nendstream\n");
+}
+
+function writeArray(array, buffer, transform) {
+  buffer.push("[");
+  let first = true;
+
+  for (const val of array) {
+    if (!first) {
+      buffer.push(" ");
+    } else {
+      first = false;
+    }
+
+    writeValue(val, buffer, transform);
+  }
+
+  buffer.push("]");
+}
+
+function numberToString(value) {
+  if (Number.isInteger(value)) {
+    return value.toString();
+  }
+
+  const roundedValue = Math.round(value * 100);
+
+  if (roundedValue % 100 === 0) {
+    return (roundedValue / 100).toString();
+  }
+
+  if (roundedValue % 10 === 0) {
+    return value.toFixed(1);
+  }
+
+  return value.toFixed(2);
+}
+
+function writeValue(value, buffer, transform) {
+  if ((0, _primitives.isName)(value)) {
+    buffer.push(`/${value.name}`);
+  } else if ((0, _primitives.isRef)(value)) {
+    buffer.push(`${value.num} ${value.gen} R`);
+  } else if (Array.isArray(value)) {
+    writeArray(value, buffer, transform);
+  } else if (typeof value === "string") {
+    if (transform !== null) {
+      value = transform.encryptString(value);
+    }
+
+    buffer.push(`(${(0, _util.escapeString)(value)})`);
+  } else if (typeof value === "number") {
+    buffer.push(numberToString(value));
+  } else if ((0, _primitives.isDict)(value)) {
+    writeDict(value, buffer, transform);
+  } else if ((0, _primitives.isStream)(value)) {
+    writeStream(value, buffer, transform);
+  }
+}
+
+function writeInt(number, size, offset, buffer) {
+  for (let i = size + offset - 1; i > offset - 1; i--) {
+    buffer[i] = number & 0xff;
+    number >>= 8;
+  }
+
+  return offset + size;
+}
+
+function writeString(string, offset, buffer) {
+  for (let i = 0, len = string.length; i < len; i++) {
+    buffer[offset + i] = string.charCodeAt(i) & 0xff;
+  }
+}
+
+function computeMD5(filesize, xrefInfo) {
+  const time = Math.floor(Date.now() / 1000);
+  const filename = xrefInfo.filename || "";
+  const md5Buffer = [time.toString(), filename, filesize.toString()];
+  let md5BufferLen = md5Buffer.reduce((a, str) => a + str.length, 0);
+
+  for (const value of Object.values(xrefInfo.info)) {
+    md5Buffer.push(value);
+    md5BufferLen += value.length;
+  }
+
+  const array = new Uint8Array(md5BufferLen);
+  let offset = 0;
+
+  for (const str of md5Buffer) {
+    writeString(str, offset, array);
+    offset += str.length;
+  }
+
+  return (0, _util.bytesToString)((0, _crypto.calculateMD5)(array));
+}
+
+function incrementalUpdate(originalData, xrefInfo, newRefs) {
+  const newXref = new _primitives.Dict(null);
+  const refForXrefTable = xrefInfo.newRef;
+  let buffer, baseOffset;
+  const lastByte = originalData[originalData.length - 1];
+
+  if (lastByte === 0x0a || lastByte === 0x0d) {
+    buffer = [];
+    baseOffset = originalData.length;
+  } else {
+    buffer = ["\n"];
+    baseOffset = originalData.length + 1;
+  }
+
+  newXref.set("Size", refForXrefTable.num + 1);
+  newXref.set("Prev", xrefInfo.startXRef);
+  newXref.set("Type", _primitives.Name.get("XRef"));
+
+  if (xrefInfo.rootRef !== null) {
+    newXref.set("Root", xrefInfo.rootRef);
+  }
+
+  if (xrefInfo.infoRef !== null) {
+    newXref.set("Info", xrefInfo.infoRef);
+  }
+
+  if (xrefInfo.encrypt !== null) {
+    newXref.set("Encrypt", xrefInfo.encrypt);
+  }
+
+  newRefs.push({
+    ref: refForXrefTable,
+    data: ""
+  });
+  newRefs = newRefs.sort((a, b) => {
+    return a.ref.num - b.ref.num;
+  });
+  const xrefTableData = [[0, 1, 0xffff]];
+  const indexes = [0, 1];
+  let maxOffset = 0;
+
+  for (const {
+    ref,
+    data
+  } of newRefs) {
+    maxOffset = Math.max(maxOffset, baseOffset);
+    xrefTableData.push([1, baseOffset, Math.min(ref.gen, 0xffff)]);
+    baseOffset += data.length;
+    indexes.push(ref.num);
+    indexes.push(1);
+    buffer.push(data);
+  }
+
+  newXref.set("Index", indexes);
+
+  if (xrefInfo.fileIds.length !== 0) {
+    const md5 = computeMD5(baseOffset, xrefInfo);
+    newXref.set("ID", [xrefInfo.fileIds[0], md5]);
+  }
+
+  const offsetSize = Math.ceil(Math.log2(maxOffset) / 8);
+  const sizes = [1, offsetSize, 2];
+  const structSize = sizes[0] + sizes[1] + sizes[2];
+  const tableLength = structSize * xrefTableData.length;
+  newXref.set("W", sizes);
+  newXref.set("Length", tableLength);
+  buffer.push(`${refForXrefTable.num} ${refForXrefTable.gen} obj\n`);
+  writeDict(newXref, buffer, null);
+  buffer.push(" stream\n");
+  const bufferLen = buffer.reduce((a, str) => a + str.length, 0);
+  const footer = `\nendstream\nendobj\nstartxref\n${baseOffset}\n%%EOF\n`;
+  const array = new Uint8Array(originalData.length + bufferLen + tableLength + footer.length);
+  array.set(originalData);
+  let offset = originalData.length;
+
+  for (const str of buffer) {
+    writeString(str, offset, array);
+    offset += str.length;
+  }
+
+  for (const [type, objOffset, gen] of xrefTableData) {
+    offset = writeInt(type, sizes[0], offset, array);
+    offset = writeInt(objOffset, sizes[1], offset, array);
+    offset = writeInt(gen, sizes[2], offset, array);
+  }
+
+  writeString(footer, offset, array);
+  return array;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/annotation_layer.js b/node_modules/pdfjs-dist/lib/display/annotation_layer.js
new file mode 100644
index 00000000..b4378215
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/annotation_layer.js
@@ -0,0 +1,1092 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationLayer = void 0;
+
+var _display_utils = require("./display_utils.js");
+
+var _util = require("../shared/util.js");
+
+var _annotation_storage = require("./annotation_storage.js");
+
+class AnnotationElementFactory {
+  static create(parameters) {
+    const subtype = parameters.data.annotationType;
+
+    switch (subtype) {
+      case _util.AnnotationType.LINK:
+        return new LinkAnnotationElement(parameters);
+
+      case _util.AnnotationType.TEXT:
+        return new TextAnnotationElement(parameters);
+
+      case _util.AnnotationType.WIDGET:
+        const fieldType = parameters.data.fieldType;
+
+        switch (fieldType) {
+          case "Tx":
+            return new TextWidgetAnnotationElement(parameters);
+
+          case "Btn":
+            if (parameters.data.radioButton) {
+              return new RadioButtonWidgetAnnotationElement(parameters);
+            } else if (parameters.data.checkBox) {
+              return new CheckboxWidgetAnnotationElement(parameters);
+            }
+
+            return new PushButtonWidgetAnnotationElement(parameters);
+
+          case "Ch":
+            return new ChoiceWidgetAnnotationElement(parameters);
+        }
+
+        return new WidgetAnnotationElement(parameters);
+
+      case _util.AnnotationType.POPUP:
+        return new PopupAnnotationElement(parameters);
+
+      case _util.AnnotationType.FREETEXT:
+        return new FreeTextAnnotationElement(parameters);
+
+      case _util.AnnotationType.LINE:
+        return new LineAnnotationElement(parameters);
+
+      case _util.AnnotationType.SQUARE:
+        return new SquareAnnotationElement(parameters);
+
+      case _util.AnnotationType.CIRCLE:
+        return new CircleAnnotationElement(parameters);
+
+      case _util.AnnotationType.POLYLINE:
+        return new PolylineAnnotationElement(parameters);
+
+      case _util.AnnotationType.CARET:
+        return new CaretAnnotationElement(parameters);
+
+      case _util.AnnotationType.INK:
+        return new InkAnnotationElement(parameters);
+
+      case _util.AnnotationType.POLYGON:
+        return new PolygonAnnotationElement(parameters);
+
+      case _util.AnnotationType.HIGHLIGHT:
+        return new HighlightAnnotationElement(parameters);
+
+      case _util.AnnotationType.UNDERLINE:
+        return new UnderlineAnnotationElement(parameters);
+
+      case _util.AnnotationType.SQUIGGLY:
+        return new SquigglyAnnotationElement(parameters);
+
+      case _util.AnnotationType.STRIKEOUT:
+        return new StrikeOutAnnotationElement(parameters);
+
+      case _util.AnnotationType.STAMP:
+        return new StampAnnotationElement(parameters);
+
+      case _util.AnnotationType.FILEATTACHMENT:
+        return new FileAttachmentAnnotationElement(parameters);
+
+      default:
+        return new AnnotationElement(parameters);
+    }
+  }
+
+}
+
+class AnnotationElement {
+  constructor(parameters, isRenderable = false, ignoreBorder = false) {
+    this.isRenderable = isRenderable;
+    this.data = parameters.data;
+    this.layer = parameters.layer;
+    this.page = parameters.page;
+    this.viewport = parameters.viewport;
+    this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
+    this.imageResourcesPath = parameters.imageResourcesPath;
+    this.renderInteractiveForms = parameters.renderInteractiveForms;
+    this.svgFactory = parameters.svgFactory;
+    this.annotationStorage = parameters.annotationStorage;
+
+    if (isRenderable) {
+      this.container = this._createContainer(ignoreBorder);
+    }
+  }
+
+  _createContainer(ignoreBorder = false) {
+    const data = this.data,
+          page = this.page,
+          viewport = this.viewport;
+    const container = document.createElement("section");
+    let width = data.rect[2] - data.rect[0];
+    let height = data.rect[3] - data.rect[1];
+    container.setAttribute("data-annotation-id", data.id);
+
+    const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
+
+    container.style.transform = `matrix(${viewport.transform.join(",")})`;
+    container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`;
+
+    if (!ignoreBorder && data.borderStyle.width > 0) {
+      container.style.borderWidth = `${data.borderStyle.width}px`;
+
+      if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
+        width = width - 2 * data.borderStyle.width;
+        height = height - 2 * data.borderStyle.width;
+      }
+
+      const horizontalRadius = data.borderStyle.horizontalCornerRadius;
+      const verticalRadius = data.borderStyle.verticalCornerRadius;
+
+      if (horizontalRadius > 0 || verticalRadius > 0) {
+        const radius = `${horizontalRadius}px / ${verticalRadius}px`;
+        container.style.borderRadius = radius;
+      }
+
+      switch (data.borderStyle.style) {
+        case _util.AnnotationBorderStyleType.SOLID:
+          container.style.borderStyle = "solid";
+          break;
+
+        case _util.AnnotationBorderStyleType.DASHED:
+          container.style.borderStyle = "dashed";
+          break;
+
+        case _util.AnnotationBorderStyleType.BEVELED:
+          (0, _util.warn)("Unimplemented border style: beveled");
+          break;
+
+        case _util.AnnotationBorderStyleType.INSET:
+          (0, _util.warn)("Unimplemented border style: inset");
+          break;
+
+        case _util.AnnotationBorderStyleType.UNDERLINE:
+          container.style.borderBottomStyle = "solid";
+          break;
+
+        default:
+          break;
+      }
+
+      if (data.color) {
+        container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
+      } else {
+        container.style.borderWidth = 0;
+      }
+    }
+
+    container.style.left = `${rect[0]}px`;
+    container.style.top = `${rect[1]}px`;
+    container.style.width = `${width}px`;
+    container.style.height = `${height}px`;
+    return container;
+  }
+
+  _createPopup(container, trigger, data) {
+    if (!trigger) {
+      trigger = document.createElement("div");
+      trigger.style.height = container.style.height;
+      trigger.style.width = container.style.width;
+      container.appendChild(trigger);
+    }
+
+    const popupElement = new PopupElement({
+      container,
+      trigger,
+      color: data.color,
+      title: data.title,
+      modificationDate: data.modificationDate,
+      contents: data.contents,
+      hideWrapper: true
+    });
+    const popup = popupElement.render();
+    popup.style.left = container.style.width;
+    container.appendChild(popup);
+  }
+
+  render() {
+    (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
+  }
+
+}
+
+class LinkAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    this.container.className = "linkAnnotation";
+    const {
+      data,
+      linkService
+    } = this;
+    const link = document.createElement("a");
+
+    if (data.url) {
+      (0, _display_utils.addLinkAttributes)(link, {
+        url: data.url,
+        target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
+        rel: linkService.externalLinkRel,
+        enabled: linkService.externalLinkEnabled
+      });
+    } else if (data.action) {
+      this._bindNamedAction(link, data.action);
+    } else {
+      this._bindLink(link, data.dest);
+    }
+
+    this.container.appendChild(link);
+    return this.container;
+  }
+
+  _bindLink(link, destination) {
+    link.href = this.linkService.getDestinationHash(destination);
+
+    link.onclick = () => {
+      if (destination) {
+        this.linkService.navigateTo(destination);
+      }
+
+      return false;
+    };
+
+    if (destination) {
+      link.className = "internalLink";
+    }
+  }
+
+  _bindNamedAction(link, action) {
+    link.href = this.linkService.getAnchorUrl("");
+
+    link.onclick = () => {
+      this.linkService.executeNamedAction(action);
+      return false;
+    };
+
+    link.className = "internalLink";
+  }
+
+}
+
+class TextAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    this.container.className = "textAnnotation";
+    const image = document.createElement("img");
+    image.style.height = this.container.style.height;
+    image.style.width = this.container.style.width;
+    image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
+    image.alt = "[{{type}} Annotation]";
+    image.dataset.l10nId = "text_annotation_type";
+    image.dataset.l10nArgs = JSON.stringify({
+      type: this.data.name
+    });
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, image, this.data);
+    }
+
+    this.container.appendChild(image);
+    return this.container;
+  }
+
+}
+
+class WidgetAnnotationElement extends AnnotationElement {
+  render() {
+    return this.container;
+  }
+
+}
+
+class TextWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    const TEXT_ALIGNMENT = ["left", "center", "right"];
+    const storage = this.annotationStorage;
+    const id = this.data.id;
+    this.container.className = "textWidgetAnnotation";
+    let element = null;
+
+    if (this.renderInteractiveForms) {
+      const textContent = storage.getOrCreateValue(id, this.data.fieldValue);
+
+      if (this.data.multiLine) {
+        element = document.createElement("textarea");
+        element.textContent = textContent;
+      } else {
+        element = document.createElement("input");
+        element.type = "text";
+        element.setAttribute("value", textContent);
+      }
+
+      element.addEventListener("input", function (event) {
+        storage.setValue(id, event.target.value);
+      });
+      element.disabled = this.data.readOnly;
+      element.name = this.data.fieldName;
+
+      if (this.data.maxLen !== null) {
+        element.maxLength = this.data.maxLen;
+      }
+
+      if (this.data.comb) {
+        const fieldWidth = this.data.rect[2] - this.data.rect[0];
+        const combWidth = fieldWidth / this.data.maxLen;
+        element.classList.add("comb");
+        element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;
+      }
+    } else {
+      element = document.createElement("div");
+      element.textContent = this.data.fieldValue;
+      element.style.verticalAlign = "middle";
+      element.style.display = "table-cell";
+      let font = null;
+
+      if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
+        font = this.page.commonObjs.get(this.data.fontRefName);
+      }
+
+      this._setTextStyle(element, font);
+    }
+
+    if (this.data.textAlignment !== null) {
+      element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+    }
+
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+  _setTextStyle(element, font) {
+    const style = element.style;
+    style.fontSize = `${this.data.fontSize}px`;
+    style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
+
+    if (!font) {
+      return;
+    }
+
+    let bold = "normal";
+
+    if (font.black) {
+      bold = "900";
+    } else if (font.bold) {
+      bold = "bold";
+    }
+
+    style.fontWeight = bold;
+    style.fontStyle = font.italic ? "italic" : "normal";
+    const fontFamily = font.loadedName ? `"${font.loadedName}", ` : "";
+    const fallbackName = font.fallbackName || "Helvetica, sans-serif";
+    style.fontFamily = fontFamily + fallbackName;
+  }
+
+}
+
+class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    const storage = this.annotationStorage;
+    const data = this.data;
+    const id = data.id;
+    const value = storage.getOrCreateValue(id, data.fieldValue && data.fieldValue !== "Off");
+    this.container.className = "buttonWidgetAnnotation checkBox";
+    const element = document.createElement("input");
+    element.disabled = data.readOnly;
+    element.type = "checkbox";
+    element.name = this.data.fieldName;
+
+    if (value) {
+      element.setAttribute("checked", true);
+    }
+
+    element.addEventListener("change", function (event) {
+      storage.setValue(id, event.target.checked);
+    });
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+}
+
+class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    this.container.className = "buttonWidgetAnnotation radioButton";
+    const storage = this.annotationStorage;
+    const data = this.data;
+    const id = data.id;
+    const value = storage.getOrCreateValue(id, data.fieldValue === data.buttonValue);
+    const element = document.createElement("input");
+    element.disabled = data.readOnly;
+    element.type = "radio";
+    element.name = data.fieldName;
+
+    if (value) {
+      element.setAttribute("checked", true);
+    }
+
+    element.addEventListener("change", function (event) {
+      const name = event.target.name;
+
+      for (const radio of document.getElementsByName(name)) {
+        if (radio !== event.target) {
+          storage.setValue(radio.parentNode.getAttribute("data-annotation-id"), false);
+        }
+      }
+
+      storage.setValue(id, event.target.checked);
+    });
+    this.container.appendChild(element);
+    return this.container;
+  }
+
+}
+
+class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
+  render() {
+    const container = super.render();
+    container.className = "buttonWidgetAnnotation pushButton";
+    return container;
+  }
+
+}
+
+class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
+  constructor(parameters) {
+    super(parameters, parameters.renderInteractiveForms);
+  }
+
+  render() {
+    this.container.className = "choiceWidgetAnnotation";
+    const storage = this.annotationStorage;
+    const id = this.data.id;
+    storage.getOrCreateValue(id, this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null);
+    const selectElement = document.createElement("select");
+    selectElement.disabled = this.data.readOnly;
+    selectElement.name = this.data.fieldName;
+
+    if (!this.data.combo) {
+      selectElement.size = this.data.options.length;
+
+      if (this.data.multiSelect) {
+        selectElement.multiple = true;
+      }
+    }
+
+    for (const option of this.data.options) {
+      const optionElement = document.createElement("option");
+      optionElement.textContent = option.displayValue;
+      optionElement.value = option.exportValue;
+
+      if (this.data.fieldValue.includes(option.exportValue)) {
+        optionElement.setAttribute("selected", true);
+      }
+
+      selectElement.appendChild(optionElement);
+    }
+
+    selectElement.addEventListener("input", function (event) {
+      const options = event.target.options;
+      const value = options[options.selectedIndex].value;
+      storage.setValue(id, value);
+    });
+    this.container.appendChild(selectElement);
+    return this.container;
+  }
+
+}
+
+class PopupAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable);
+  }
+
+  render() {
+    const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
+    this.container.className = "popupAnnotation";
+
+    if (IGNORE_TYPES.includes(this.data.parentType)) {
+      return this.container;
+    }
+
+    const selector = `[data-annotation-id="${this.data.parentId}"]`;
+    const parentElement = this.layer.querySelector(selector);
+
+    if (!parentElement) {
+      return this.container;
+    }
+
+    const popup = new PopupElement({
+      container: this.container,
+      trigger: parentElement,
+      color: this.data.color,
+      title: this.data.title,
+      modificationDate: this.data.modificationDate,
+      contents: this.data.contents
+    });
+    const parentLeft = parseFloat(parentElement.style.left);
+    const parentWidth = parseFloat(parentElement.style.width);
+    this.container.style.transformOrigin = `-${parentLeft + parentWidth}px -${parentElement.style.top}`;
+    this.container.style.left = `${parentLeft + parentWidth}px`;
+    this.container.appendChild(popup.render());
+    return this.container;
+  }
+
+}
+
+class PopupElement {
+  constructor(parameters) {
+    this.container = parameters.container;
+    this.trigger = parameters.trigger;
+    this.color = parameters.color;
+    this.title = parameters.title;
+    this.modificationDate = parameters.modificationDate;
+    this.contents = parameters.contents;
+    this.hideWrapper = parameters.hideWrapper || false;
+    this.pinned = false;
+  }
+
+  render() {
+    const BACKGROUND_ENLIGHT = 0.7;
+    const wrapper = document.createElement("div");
+    wrapper.className = "popupWrapper";
+    this.hideElement = this.hideWrapper ? wrapper : this.container;
+    this.hideElement.setAttribute("hidden", true);
+    const popup = document.createElement("div");
+    popup.className = "popup";
+    const color = this.color;
+
+    if (color) {
+      const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+      const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+      const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+      popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
+    }
+
+    const title = document.createElement("h1");
+    title.textContent = this.title;
+    popup.appendChild(title);
+
+    const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+    if (dateObject) {
+      const modificationDate = document.createElement("span");
+      modificationDate.textContent = "{{date}}, {{time}}";
+      modificationDate.dataset.l10nId = "annotation_date_string";
+      modificationDate.dataset.l10nArgs = JSON.stringify({
+        date: dateObject.toLocaleDateString(),
+        time: dateObject.toLocaleTimeString()
+      });
+      popup.appendChild(modificationDate);
+    }
+
+    const contents = this._formatContents(this.contents);
+
+    popup.appendChild(contents);
+    this.trigger.addEventListener("click", this._toggle.bind(this));
+    this.trigger.addEventListener("mouseover", this._show.bind(this, false));
+    this.trigger.addEventListener("mouseout", this._hide.bind(this, false));
+    popup.addEventListener("click", this._hide.bind(this, true));
+    wrapper.appendChild(popup);
+    return wrapper;
+  }
+
+  _formatContents(contents) {
+    const p = document.createElement("p");
+    const lines = contents.split(/(?:\r\n?|\n)/);
+
+    for (let i = 0, ii = lines.length; i < ii; ++i) {
+      const line = lines[i];
+      p.appendChild(document.createTextNode(line));
+
+      if (i < ii - 1) {
+        p.appendChild(document.createElement("br"));
+      }
+    }
+
+    return p;
+  }
+
+  _toggle() {
+    if (this.pinned) {
+      this._hide(true);
+    } else {
+      this._show(true);
+    }
+  }
+
+  _show(pin = false) {
+    if (pin) {
+      this.pinned = true;
+    }
+
+    if (this.hideElement.hasAttribute("hidden")) {
+      this.hideElement.removeAttribute("hidden");
+      this.container.style.zIndex += 1;
+    }
+  }
+
+  _hide(unpin = true) {
+    if (unpin) {
+      this.pinned = false;
+    }
+
+    if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
+      this.hideElement.setAttribute("hidden", true);
+      this.container.style.zIndex -= 1;
+    }
+  }
+
+}
+
+class FreeTextAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "freeTextAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class LineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "lineAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const line = this.svgFactory.createElement("svg:line");
+    line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
+    line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
+    line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
+    line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
+    line.setAttribute("stroke-width", data.borderStyle.width || 1);
+    line.setAttribute("stroke", "transparent");
+    svg.appendChild(line);
+    this.container.append(svg);
+
+    this._createPopup(this.container, line, data);
+
+    return this.container;
+  }
+
+}
+
+class SquareAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "squareAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const borderWidth = data.borderStyle.width;
+    const square = this.svgFactory.createElement("svg:rect");
+    square.setAttribute("x", borderWidth / 2);
+    square.setAttribute("y", borderWidth / 2);
+    square.setAttribute("width", width - borderWidth);
+    square.setAttribute("height", height - borderWidth);
+    square.setAttribute("stroke-width", borderWidth || 1);
+    square.setAttribute("stroke", "transparent");
+    square.setAttribute("fill", "none");
+    svg.appendChild(square);
+    this.container.append(svg);
+
+    this._createPopup(this.container, square, data);
+
+    return this.container;
+  }
+
+}
+
+class CircleAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "circleAnnotation";
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    const borderWidth = data.borderStyle.width;
+    const circle = this.svgFactory.createElement("svg:ellipse");
+    circle.setAttribute("cx", width / 2);
+    circle.setAttribute("cy", height / 2);
+    circle.setAttribute("rx", width / 2 - borderWidth / 2);
+    circle.setAttribute("ry", height / 2 - borderWidth / 2);
+    circle.setAttribute("stroke-width", borderWidth || 1);
+    circle.setAttribute("stroke", "transparent");
+    circle.setAttribute("fill", "none");
+    svg.appendChild(circle);
+    this.container.append(svg);
+
+    this._createPopup(this.container, circle, data);
+
+    return this.container;
+  }
+
+}
+
+class PolylineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+    this.containerClassName = "polylineAnnotation";
+    this.svgElementName = "svg:polyline";
+  }
+
+  render() {
+    this.container.className = this.containerClassName;
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+    let points = [];
+
+    for (const coordinate of data.vertices) {
+      const x = coordinate.x - data.rect[0];
+      const y = data.rect[3] - coordinate.y;
+      points.push(x + "," + y);
+    }
+
+    points = points.join(" ");
+    const polyline = this.svgFactory.createElement(this.svgElementName);
+    polyline.setAttribute("points", points);
+    polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+    polyline.setAttribute("stroke", "transparent");
+    polyline.setAttribute("fill", "none");
+    svg.appendChild(polyline);
+    this.container.append(svg);
+
+    this._createPopup(this.container, polyline, data);
+
+    return this.container;
+  }
+
+}
+
+class PolygonAnnotationElement extends PolylineAnnotationElement {
+  constructor(parameters) {
+    super(parameters);
+    this.containerClassName = "polygonAnnotation";
+    this.svgElementName = "svg:polygon";
+  }
+
+}
+
+class CaretAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "caretAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class InkAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+    this.containerClassName = "inkAnnotation";
+    this.svgElementName = "svg:polyline";
+  }
+
+  render() {
+    this.container.className = this.containerClassName;
+    const data = this.data;
+    const width = data.rect[2] - data.rect[0];
+    const height = data.rect[3] - data.rect[1];
+    const svg = this.svgFactory.create(width, height);
+
+    for (const inkList of data.inkLists) {
+      let points = [];
+
+      for (const coordinate of inkList) {
+        const x = coordinate.x - data.rect[0];
+        const y = data.rect[3] - coordinate.y;
+        points.push(`${x},${y}`);
+      }
+
+      points = points.join(" ");
+      const polyline = this.svgFactory.createElement(this.svgElementName);
+      polyline.setAttribute("points", points);
+      polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+      polyline.setAttribute("stroke", "transparent");
+      polyline.setAttribute("fill", "none");
+
+      this._createPopup(this.container, polyline, data);
+
+      svg.appendChild(polyline);
+    }
+
+    this.container.append(svg);
+    return this.container;
+  }
+
+}
+
+class HighlightAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "highlightAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class UnderlineAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "underlineAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class SquigglyAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "squigglyAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class StrikeOutAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "strikeoutAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class StampAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    super(parameters, isRenderable, true);
+  }
+
+  render() {
+    this.container.className = "stampAnnotation";
+
+    if (!this.data.hasPopup) {
+      this._createPopup(this.container, null, this.data);
+    }
+
+    return this.container;
+  }
+
+}
+
+class FileAttachmentAnnotationElement extends AnnotationElement {
+  constructor(parameters) {
+    super(parameters, true);
+    const {
+      filename,
+      content
+    } = this.data.file;
+    this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+    this.content = content;
+
+    if (this.linkService.eventBus) {
+      this.linkService.eventBus.dispatch("fileattachmentannotation", {
+        source: this,
+        id: (0, _util.stringToPDFString)(filename),
+        filename,
+        content
+      });
+    }
+  }
+
+  render() {
+    this.container.className = "fileAttachmentAnnotation";
+    const trigger = document.createElement("div");
+    trigger.style.height = this.container.style.height;
+    trigger.style.width = this.container.style.width;
+    trigger.addEventListener("dblclick", this._download.bind(this));
+
+    if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+      this._createPopup(this.container, trigger, this.data);
+    }
+
+    this.container.appendChild(trigger);
+    return this.container;
+  }
+
+  _download() {
+    if (!this.downloadManager) {
+      (0, _util.warn)("Download cannot be started due to unavailable download manager");
+      return;
+    }
+
+    this.downloadManager.downloadData(this.content, this.filename, "");
+  }
+
+}
+
+class AnnotationLayer {
+  static render(parameters) {
+    const sortedAnnotations = [],
+          popupAnnotations = [];
+
+    for (const data of parameters.annotations) {
+      if (!data) {
+        continue;
+      }
+
+      if (data.annotationType === _util.AnnotationType.POPUP) {
+        popupAnnotations.push(data);
+        continue;
+      }
+
+      sortedAnnotations.push(data);
+    }
+
+    if (popupAnnotations.length) {
+      sortedAnnotations.push(...popupAnnotations);
+    }
+
+    for (const data of sortedAnnotations) {
+      const element = AnnotationElementFactory.create({
+        data,
+        layer: parameters.div,
+        page: parameters.page,
+        viewport: parameters.viewport,
+        linkService: parameters.linkService,
+        downloadManager: parameters.downloadManager,
+        imageResourcesPath: parameters.imageResourcesPath || "",
+        renderInteractiveForms: typeof parameters.renderInteractiveForms === "boolean" ? parameters.renderInteractiveForms : true,
+        svgFactory: new _display_utils.DOMSVGFactory(),
+        annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage()
+      });
+
+      if (element.isRenderable) {
+        parameters.div.appendChild(element.render());
+      }
+    }
+  }
+
+  static update(parameters) {
+    for (const data of parameters.annotations) {
+      const element = parameters.div.querySelector(`[data-annotation-id="${data.id}"]`);
+
+      if (element) {
+        element.style.transform = `matrix(${parameters.viewport.transform.join(",")})`;
+      }
+    }
+
+    parameters.div.removeAttribute("hidden");
+  }
+
+}
+
+exports.AnnotationLayer = AnnotationLayer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/annotation_storage.js b/node_modules/pdfjs-dist/lib/display/annotation_storage.js
new file mode 100644
index 00000000..e5d471a6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/annotation_storage.js
@@ -0,0 +1,89 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationStorage = void 0;
+
+class AnnotationStorage {
+  constructor() {
+    this._storage = new Map();
+    this._modified = false;
+    this.onSetModified = null;
+    this.onResetModified = null;
+  }
+
+  getOrCreateValue(key, defaultValue) {
+    if (this._storage.has(key)) {
+      return this._storage.get(key);
+    }
+
+    this._storage.set(key, defaultValue);
+
+    return defaultValue;
+  }
+
+  setValue(key, value) {
+    if (this._storage.get(key) !== value) {
+      this._setModified();
+    }
+
+    this._storage.set(key, value);
+  }
+
+  getAll() {
+    if (this._storage.size === 0) {
+      return null;
+    }
+
+    return Object.fromEntries(this._storage);
+  }
+
+  get size() {
+    return this._storage.size;
+  }
+
+  _setModified() {
+    if (!this._modified) {
+      this._modified = true;
+
+      if (typeof this.onSetModified === "function") {
+        this.onSetModified();
+      }
+    }
+  }
+
+  resetModified() {
+    if (this._modified) {
+      this._modified = false;
+
+      if (typeof this.onResetModified === "function") {
+        this.onResetModified();
+      }
+    }
+  }
+
+}
+
+exports.AnnotationStorage = AnnotationStorage;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/api.js b/node_modules/pdfjs-dist/lib/display/api.js
new file mode 100644
index 00000000..6d4bcaec
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/api.js
@@ -0,0 +1,2184 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
+
+var _util = require("../shared/util.js");
+
+var _display_utils = require("./display_utils.js");
+
+var _font_loader = require("./font_loader.js");
+
+var _node_utils = require("./node_utils.js");
+
+var _annotation_storage = require("./annotation_storage.js");
+
+var _api_compatibility = require("./api_compatibility.js");
+
+var _canvas = require("./canvas.js");
+
+var _worker_options = require("./worker_options.js");
+
+var _is_node = require("../shared/is_node.js");
+
+var _message_handler = require("../shared/message_handler.js");
+
+var _metadata = require("./metadata.js");
+
+var _optional_content_config = require("./optional_content_config.js");
+
+var _transport_stream = require("./transport_stream.js");
+
+var _webgl = require("./webgl.js");
+
+const DEFAULT_RANGE_CHUNK_SIZE = 65536;
+const RENDERING_CANCELLED_TIMEOUT = 100;
+const DefaultCanvasFactory = _is_node.isNodeJS ? _node_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory;
+const DefaultCMapReaderFactory = _is_node.isNodeJS ? _node_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory;
+let createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+  createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+  const task = new PDFDocumentLoadingTask();
+  let source;
+
+  if (typeof src === "string") {
+    source = {
+      url: src
+    };
+  } else if ((0, _util.isArrayBuffer)(src)) {
+    source = {
+      data: src
+    };
+  } else if (src instanceof PDFDataRangeTransport) {
+    source = {
+      range: src
+    };
+  } else {
+    if (typeof src !== "object") {
+      throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object");
+    }
+
+    if (!src.url && !src.data && !src.range) {
+      throw new Error("Invalid parameter object: need either .data, .range or .url");
+    }
+
+    source = src;
+  }
+
+  const params = Object.create(null);
+  let rangeTransport = null,
+      worker = null;
+
+  for (const key in source) {
+    if (key === "url" && typeof window !== "undefined") {
+      params[key] = new URL(source[key], window.location).href;
+      continue;
+    } else if (key === "range") {
+      rangeTransport = source[key];
+      continue;
+    } else if (key === "worker") {
+      worker = source[key];
+      continue;
+    } else if (key === "data" && !(source[key] instanceof Uint8Array)) {
+      const pdfBytes = source[key];
+
+      if (typeof pdfBytes === "string") {
+        params[key] = (0, _util.stringToBytes)(pdfBytes);
+      } else if (typeof pdfBytes === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else {
+        throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property.");
+      }
+
+      continue;
+    }
+
+    params[key] = source[key];
+  }
+
+  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+  params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
+  params.ignoreErrors = params.stopAtErrors !== true;
+  params.fontExtraProperties = params.fontExtraProperties === true;
+  params.pdfBug = params.pdfBug === true;
+
+  if (!Number.isInteger(params.maxImageSize)) {
+    params.maxImageSize = -1;
+  }
+
+  if (typeof params.isEvalSupported !== "boolean") {
+    params.isEvalSupported = true;
+  }
+
+  if (typeof params.disableFontFace !== "boolean") {
+    params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
+  }
+
+  if (typeof params.ownerDocument === "undefined") {
+    params.ownerDocument = globalThis.document;
+  }
+
+  if (typeof params.disableRange !== "boolean") {
+    params.disableRange = false;
+  }
+
+  if (typeof params.disableStream !== "boolean") {
+    params.disableStream = false;
+  }
+
+  if (typeof params.disableAutoFetch !== "boolean") {
+    params.disableAutoFetch = false;
+  }
+
+  (0, _util.setVerbosityLevel)(params.verbosity);
+
+  if (!worker) {
+    const workerParams = {
+      verbosity: params.verbosity,
+      port: _worker_options.GlobalWorkerOptions.workerPort
+    };
+    worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+    task._worker = worker;
+  }
+
+  const docId = task.docId;
+  worker.promise.then(function () {
+    if (task.destroyed) {
+      throw new Error("Loading aborted");
+    }
+
+    const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
+
+    const networkStreamPromise = new Promise(function (resolve) {
+      let networkStream;
+
+      if (rangeTransport) {
+        networkStream = new _transport_stream.PDFDataTransportStream({
+          length: params.length,
+          initialData: params.initialData,
+          progressiveDone: params.progressiveDone,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        }, rangeTransport);
+      } else if (!params.data) {
+        networkStream = createPDFNetworkStream({
+          url: params.url,
+          length: params.length,
+          httpHeaders: params.httpHeaders,
+          withCredentials: params.withCredentials,
+          rangeChunkSize: params.rangeChunkSize,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        });
+      }
+
+      resolve(networkStream);
+    });
+    return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
+      if (task.destroyed) {
+        throw new Error("Loading aborted");
+      }
+
+      const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+      messageHandler.postMessageTransfers = worker.postMessageTransfers;
+      const transport = new WorkerTransport(messageHandler, task, networkStream, params);
+      task._transport = transport;
+      messageHandler.send("Ready", null);
+    });
+  }).catch(task._capability.reject);
+  return task;
+}
+
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+  if (worker.destroyed) {
+    return Promise.reject(new Error("Worker was destroyed"));
+  }
+
+  if (pdfDataRangeTransport) {
+    source.length = pdfDataRangeTransport.length;
+    source.initialData = pdfDataRangeTransport.initialData;
+    source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+  }
+
+  return worker.messageHandler.sendWithPromise("GetDocRequest", {
+    docId,
+    apiVersion: '2.6.347',
+    source: {
+      data: source.data,
+      url: source.url,
+      password: source.password,
+      disableAutoFetch: source.disableAutoFetch,
+      rangeChunkSize: source.rangeChunkSize,
+      length: source.length
+    },
+    maxImageSize: source.maxImageSize,
+    disableFontFace: source.disableFontFace,
+    postMessageTransfers: worker.postMessageTransfers,
+    docBaseUrl: source.docBaseUrl,
+    ignoreErrors: source.ignoreErrors,
+    isEvalSupported: source.isEvalSupported,
+    fontExtraProperties: source.fontExtraProperties
+  }).then(function (workerId) {
+    if (worker.destroyed) {
+      throw new Error("Worker was destroyed");
+    }
+
+    return workerId;
+  });
+}
+
+const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
+  let nextDocumentId = 0;
+
+  class PDFDocumentLoadingTask {
+    constructor() {
+      this._capability = (0, _util.createPromiseCapability)();
+      this._transport = null;
+      this._worker = null;
+      this.docId = "d" + nextDocumentId++;
+      this.destroyed = false;
+      this.onPassword = null;
+      this.onProgress = null;
+      this.onUnsupportedFeature = null;
+    }
+
+    get promise() {
+      return this._capability.promise;
+    }
+
+    destroy() {
+      this.destroyed = true;
+      const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
+      return transportDestroyed.then(() => {
+        this._transport = null;
+
+        if (this._worker) {
+          this._worker.destroy();
+
+          this._worker = null;
+        }
+      });
+    }
+
+  }
+
+  return PDFDocumentLoadingTask;
+}();
+
+class PDFDataRangeTransport {
+  constructor(length, initialData, progressiveDone = false) {
+    this.length = length;
+    this.initialData = initialData;
+    this.progressiveDone = progressiveDone;
+    this._rangeListeners = [];
+    this._progressListeners = [];
+    this._progressiveReadListeners = [];
+    this._progressiveDoneListeners = [];
+    this._readyCapability = (0, _util.createPromiseCapability)();
+  }
+
+  addRangeListener(listener) {
+    this._rangeListeners.push(listener);
+  }
+
+  addProgressListener(listener) {
+    this._progressListeners.push(listener);
+  }
+
+  addProgressiveReadListener(listener) {
+    this._progressiveReadListeners.push(listener);
+  }
+
+  addProgressiveDoneListener(listener) {
+    this._progressiveDoneListeners.push(listener);
+  }
+
+  onDataRange(begin, chunk) {
+    for (const listener of this._rangeListeners) {
+      listener(begin, chunk);
+    }
+  }
+
+  onDataProgress(loaded, total) {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressListeners) {
+        listener(loaded, total);
+      }
+    });
+  }
+
+  onDataProgressiveRead(chunk) {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressiveReadListeners) {
+        listener(chunk);
+      }
+    });
+  }
+
+  onDataProgressiveDone() {
+    this._readyCapability.promise.then(() => {
+      for (const listener of this._progressiveDoneListeners) {
+        listener();
+      }
+    });
+  }
+
+  transportReady() {
+    this._readyCapability.resolve();
+  }
+
+  requestDataRange(begin, end) {
+    (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
+  }
+
+  abort() {}
+
+}
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+class PDFDocumentProxy {
+  constructor(pdfInfo, transport) {
+    this._pdfInfo = pdfInfo;
+    this._transport = transport;
+  }
+
+  get annotationStorage() {
+    return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
+  }
+
+  get numPages() {
+    return this._pdfInfo.numPages;
+  }
+
+  get fingerprint() {
+    return this._pdfInfo.fingerprint;
+  }
+
+  getPage(pageNumber) {
+    return this._transport.getPage(pageNumber);
+  }
+
+  getPageIndex(ref) {
+    return this._transport.getPageIndex(ref);
+  }
+
+  getDestinations() {
+    return this._transport.getDestinations();
+  }
+
+  getDestination(id) {
+    return this._transport.getDestination(id);
+  }
+
+  getPageLabels() {
+    return this._transport.getPageLabels();
+  }
+
+  getPageLayout() {
+    return this._transport.getPageLayout();
+  }
+
+  getPageMode() {
+    return this._transport.getPageMode();
+  }
+
+  getViewerPreferences() {
+    return this._transport.getViewerPreferences();
+  }
+
+  getOpenAction() {
+    return this._transport.getOpenAction();
+  }
+
+  getAttachments() {
+    return this._transport.getAttachments();
+  }
+
+  getJavaScript() {
+    return this._transport.getJavaScript();
+  }
+
+  getOutline() {
+    return this._transport.getOutline();
+  }
+
+  getOptionalContentConfig() {
+    return this._transport.getOptionalContentConfig();
+  }
+
+  getPermissions() {
+    return this._transport.getPermissions();
+  }
+
+  getMetadata() {
+    return this._transport.getMetadata();
+  }
+
+  getData() {
+    return this._transport.getData();
+  }
+
+  getDownloadInfo() {
+    return this._transport.downloadInfoCapability.promise;
+  }
+
+  getStats() {
+    return this._transport.getStats();
+  }
+
+  cleanup() {
+    return this._transport.startCleanup();
+  }
+
+  destroy() {
+    return this.loadingTask.destroy();
+  }
+
+  get loadingParams() {
+    return this._transport.loadingParams;
+  }
+
+  get loadingTask() {
+    return this._transport.loadingTask;
+  }
+
+  saveDocument(annotationStorage) {
+    return this._transport.saveDocument(annotationStorage);
+  }
+
+}
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+class PDFPageProxy {
+  constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
+    this._pageIndex = pageIndex;
+    this._pageInfo = pageInfo;
+    this._ownerDocument = ownerDocument;
+    this._transport = transport;
+    this._stats = pdfBug ? new _display_utils.StatTimer() : null;
+    this._pdfBug = pdfBug;
+    this.commonObjs = transport.commonObjs;
+    this.objs = new PDFObjects();
+    this.cleanupAfterRender = false;
+    this.pendingCleanup = false;
+    this._intentStates = new Map();
+    this.destroyed = false;
+  }
+
+  get pageNumber() {
+    return this._pageIndex + 1;
+  }
+
+  get rotate() {
+    return this._pageInfo.rotate;
+  }
+
+  get ref() {
+    return this._pageInfo.ref;
+  }
+
+  get userUnit() {
+    return this._pageInfo.userUnit;
+  }
+
+  get view() {
+    return this._pageInfo.view;
+  }
+
+  getViewport({
+    scale,
+    rotation = this.rotate,
+    offsetX = 0,
+    offsetY = 0,
+    dontFlip = false
+  } = {}) {
+    return new _display_utils.PageViewport({
+      viewBox: this.view,
+      scale,
+      rotation,
+      offsetX,
+      offsetY,
+      dontFlip
+    });
+  }
+
+  getAnnotations({
+    intent = null
+  } = {}) {
+    if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+      this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
+      this.annotationsIntent = intent;
+    }
+
+    return this.annotationsPromise;
+  }
+
+  render({
+    canvasContext,
+    viewport,
+    intent = "display",
+    enableWebGL = false,
+    renderInteractiveForms = false,
+    transform = null,
+    imageLayer = null,
+    canvasFactory = null,
+    background = null,
+    annotationStorage = null,
+    optionalContentConfigPromise = null
+  }) {
+    if (this._stats) {
+      this._stats.time("Overall");
+    }
+
+    const renderingIntent = intent === "print" ? "print" : "display";
+    this.pendingCleanup = false;
+
+    if (!optionalContentConfigPromise) {
+      optionalContentConfigPromise = this._transport.getOptionalContentConfig();
+    }
+
+    let intentState = this._intentStates.get(renderingIntent);
+
+    if (!intentState) {
+      intentState = Object.create(null);
+
+      this._intentStates.set(renderingIntent, intentState);
+    }
+
+    if (intentState.streamReaderCancelTimeout) {
+      clearTimeout(intentState.streamReaderCancelTimeout);
+      intentState.streamReaderCancelTimeout = null;
+    }
+
+    const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
+      ownerDocument: this._ownerDocument
+    });
+    const webGLContext = new _webgl.WebGLContext({
+      enable: enableWebGL
+    });
+
+    if (!intentState.displayReadyCapability) {
+      intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+      intentState.operatorList = {
+        fnArray: [],
+        argsArray: [],
+        lastChunk: false
+      };
+
+      if (this._stats) {
+        this._stats.time("Page Request");
+      }
+
+      this._pumpOperatorList({
+        pageIndex: this._pageIndex,
+        intent: renderingIntent,
+        renderInteractiveForms: renderInteractiveForms === true,
+        annotationStorage: annotationStorage && annotationStorage.getAll() || null
+      });
+    }
+
+    const complete = error => {
+      const i = intentState.renderTasks.indexOf(internalRenderTask);
+
+      if (i >= 0) {
+        intentState.renderTasks.splice(i, 1);
+      }
+
+      if (this.cleanupAfterRender || renderingIntent === "print") {
+        this.pendingCleanup = true;
+      }
+
+      this._tryCleanup();
+
+      if (error) {
+        internalRenderTask.capability.reject(error);
+
+        this._abortOperatorList({
+          intentState,
+          reason: error
+        });
+      } else {
+        internalRenderTask.capability.resolve();
+      }
+
+      if (this._stats) {
+        this._stats.timeEnd("Rendering");
+
+        this._stats.timeEnd("Overall");
+      }
+    };
+
+    const internalRenderTask = new InternalRenderTask({
+      callback: complete,
+      params: {
+        canvasContext,
+        viewport,
+        transform,
+        imageLayer,
+        background
+      },
+      objs: this.objs,
+      commonObjs: this.commonObjs,
+      operatorList: intentState.operatorList,
+      pageIndex: this._pageIndex,
+      canvasFactory: canvasFactoryInstance,
+      webGLContext,
+      useRequestAnimationFrame: renderingIntent !== "print",
+      pdfBug: this._pdfBug
+    });
+
+    if (!intentState.renderTasks) {
+      intentState.renderTasks = [];
+    }
+
+    intentState.renderTasks.push(internalRenderTask);
+    const renderTask = internalRenderTask.task;
+    Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
+      if (this.pendingCleanup) {
+        complete();
+        return;
+      }
+
+      if (this._stats) {
+        this._stats.time("Rendering");
+      }
+
+      internalRenderTask.initializeGraphics({
+        transparency,
+        optionalContentConfig
+      });
+      internalRenderTask.operatorListChanged();
+    }).catch(complete);
+    return renderTask;
+  }
+
+  getOperatorList() {
+    function operatorListChanged() {
+      if (intentState.operatorList.lastChunk) {
+        intentState.opListReadCapability.resolve(intentState.operatorList);
+        const i = intentState.renderTasks.indexOf(opListTask);
+
+        if (i >= 0) {
+          intentState.renderTasks.splice(i, 1);
+        }
+      }
+    }
+
+    const renderingIntent = "oplist";
+
+    let intentState = this._intentStates.get(renderingIntent);
+
+    if (!intentState) {
+      intentState = Object.create(null);
+
+      this._intentStates.set(renderingIntent, intentState);
+    }
+
+    let opListTask;
+
+    if (!intentState.opListReadCapability) {
+      opListTask = Object.create(null);
+      opListTask.operatorListChanged = operatorListChanged;
+      intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+      intentState.renderTasks = [];
+      intentState.renderTasks.push(opListTask);
+      intentState.operatorList = {
+        fnArray: [],
+        argsArray: [],
+        lastChunk: false
+      };
+
+      if (this._stats) {
+        this._stats.time("Page Request");
+      }
+
+      this._pumpOperatorList({
+        pageIndex: this._pageIndex,
+        intent: renderingIntent
+      });
+    }
+
+    return intentState.opListReadCapability.promise;
+  }
+
+  streamTextContent({
+    normalizeWhitespace = false,
+    disableCombineTextItems = false
+  } = {}) {
+    const TEXT_CONTENT_CHUNK_SIZE = 100;
+    return this._transport.messageHandler.sendWithStream("GetTextContent", {
+      pageIndex: this._pageIndex,
+      normalizeWhitespace: normalizeWhitespace === true,
+      combineTextItems: disableCombineTextItems !== true
+    }, {
+      highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+
+      size(textContent) {
+        return textContent.items.length;
+      }
+
+    });
+  }
+
+  getTextContent(params = {}) {
+    const readableStream = this.streamTextContent(params);
+    return new Promise(function (resolve, reject) {
+      function pump() {
+        reader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            resolve(textContent);
+            return;
+          }
+
+          Object.assign(textContent.styles, value.styles);
+          textContent.items.push(...value.items);
+          pump();
+        }, reject);
+      }
+
+      const reader = readableStream.getReader();
+      const textContent = {
+        items: [],
+        styles: Object.create(null)
+      };
+      pump();
+    });
+  }
+
+  _destroy() {
+    this.destroyed = true;
+    this._transport.pageCache[this._pageIndex] = null;
+    const waitOn = [];
+
+    for (const [intent, intentState] of this._intentStates) {
+      this._abortOperatorList({
+        intentState,
+        reason: new Error("Page was destroyed."),
+        force: true
+      });
+
+      if (intent === "oplist") {
+        continue;
+      }
+
+      for (const internalRenderTask of intentState.renderTasks) {
+        waitOn.push(internalRenderTask.completed);
+        internalRenderTask.cancel();
+      }
+    }
+
+    this.objs.clear();
+    this.annotationsPromise = null;
+    this.pendingCleanup = false;
+    return Promise.all(waitOn);
+  }
+
+  cleanup(resetStats = false) {
+    this.pendingCleanup = true;
+    return this._tryCleanup(resetStats);
+  }
+
+  _tryCleanup(resetStats = false) {
+    if (!this.pendingCleanup) {
+      return false;
+    }
+
+    for (const {
+      renderTasks,
+      operatorList
+    } of this._intentStates.values()) {
+      if (renderTasks.length !== 0 || !operatorList.lastChunk) {
+        return false;
+      }
+    }
+
+    this._intentStates.clear();
+
+    this.objs.clear();
+    this.annotationsPromise = null;
+
+    if (resetStats && this._stats) {
+      this._stats = new _display_utils.StatTimer();
+    }
+
+    this.pendingCleanup = false;
+    return true;
+  }
+
+  _startRenderPage(transparency, intent) {
+    const intentState = this._intentStates.get(intent);
+
+    if (!intentState) {
+      return;
+    }
+
+    if (this._stats) {
+      this._stats.timeEnd("Page Request");
+    }
+
+    if (intentState.displayReadyCapability) {
+      intentState.displayReadyCapability.resolve(transparency);
+    }
+  }
+
+  _renderPageChunk(operatorListChunk, intentState) {
+    for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
+      intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+      intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
+    }
+
+    intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+
+    for (let i = 0; i < intentState.renderTasks.length; i++) {
+      intentState.renderTasks[i].operatorListChanged();
+    }
+
+    if (operatorListChunk.lastChunk) {
+      this._tryCleanup();
+    }
+  }
+
+  _pumpOperatorList(args) {
+    (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
+
+    const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
+
+    const reader = readableStream.getReader();
+
+    const intentState = this._intentStates.get(args.intent);
+
+    intentState.streamReader = reader;
+
+    const pump = () => {
+      reader.read().then(({
+        value,
+        done
+      }) => {
+        if (done) {
+          intentState.streamReader = null;
+          return;
+        }
+
+        if (this._transport.destroyed) {
+          return;
+        }
+
+        this._renderPageChunk(value, intentState);
+
+        pump();
+      }, reason => {
+        intentState.streamReader = null;
+
+        if (this._transport.destroyed) {
+          return;
+        }
+
+        if (intentState.operatorList) {
+          intentState.operatorList.lastChunk = true;
+
+          for (let i = 0; i < intentState.renderTasks.length; i++) {
+            intentState.renderTasks[i].operatorListChanged();
+          }
+
+          this._tryCleanup();
+        }
+
+        if (intentState.displayReadyCapability) {
+          intentState.displayReadyCapability.reject(reason);
+        } else if (intentState.opListReadCapability) {
+          intentState.opListReadCapability.reject(reason);
+        } else {
+          throw reason;
+        }
+      });
+    };
+
+    pump();
+  }
+
+  _abortOperatorList({
+    intentState,
+    reason,
+    force = false
+  }) {
+    (0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
+
+    if (!intentState.streamReader) {
+      return;
+    }
+
+    if (!force) {
+      if (intentState.renderTasks.length !== 0) {
+        return;
+      }
+
+      if (reason instanceof _display_utils.RenderingCancelledException) {
+        intentState.streamReaderCancelTimeout = setTimeout(() => {
+          this._abortOperatorList({
+            intentState,
+            reason,
+            force: true
+          });
+
+          intentState.streamReaderCancelTimeout = null;
+        }, RENDERING_CANCELLED_TIMEOUT);
+        return;
+      }
+    }
+
+    intentState.streamReader.cancel(new _util.AbortException(reason && reason.message));
+    intentState.streamReader = null;
+
+    if (this._transport.destroyed) {
+      return;
+    }
+
+    for (const [intent, curIntentState] of this._intentStates) {
+      if (curIntentState === intentState) {
+        this._intentStates.delete(intent);
+
+        break;
+      }
+    }
+
+    this.cleanup();
+  }
+
+  get stats() {
+    return this._stats;
+  }
+
+}
+
+exports.PDFPageProxy = PDFPageProxy;
+
+class LoopbackPort {
+  constructor(defer = true) {
+    this._listeners = [];
+    this._defer = defer;
+    this._deferred = Promise.resolve(undefined);
+  }
+
+  postMessage(obj, transfers) {
+    function cloneValue(value) {
+      if (typeof value !== "object" || value === null) {
+        return value;
+      }
+
+      if (cloned.has(value)) {
+        return cloned.get(value);
+      }
+
+      let buffer, result;
+
+      if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
+        const transferable = transfers && transfers.includes(buffer);
+
+        if (transferable) {
+          result = new value.constructor(buffer, value.byteOffset, value.byteLength);
+        } else {
+          result = new value.constructor(value);
+        }
+
+        cloned.set(value, result);
+        return result;
+      }
+
+      result = Array.isArray(value) ? [] : {};
+      cloned.set(value, result);
+
+      for (const i in value) {
+        let desc,
+            p = value;
+
+        while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+          p = Object.getPrototypeOf(p);
+        }
+
+        if (typeof desc.value === "undefined") {
+          continue;
+        }
+
+        if (typeof desc.value === "function") {
+          if (value.hasOwnProperty && value.hasOwnProperty(i)) {
+            throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`);
+          }
+
+          continue;
+        }
+
+        result[i] = cloneValue(desc.value);
+      }
+
+      return result;
+    }
+
+    if (!this._defer) {
+      this._listeners.forEach(listener => {
+        listener.call(this, {
+          data: obj
+        });
+      });
+
+      return;
+    }
+
+    const cloned = new WeakMap();
+    const e = {
+      data: cloneValue(obj)
+    };
+
+    this._deferred.then(() => {
+      this._listeners.forEach(listener => {
+        listener.call(this, e);
+      });
+    });
+  }
+
+  addEventListener(name, listener) {
+    this._listeners.push(listener);
+  }
+
+  removeEventListener(name, listener) {
+    const i = this._listeners.indexOf(listener);
+
+    this._listeners.splice(i, 1);
+  }
+
+  terminate() {
+    this._listeners.length = 0;
+  }
+
+}
+
+exports.LoopbackPort = LoopbackPort;
+
+const PDFWorker = function PDFWorkerClosure() {
+  const pdfWorkerPorts = new WeakMap();
+  let isWorkerDisabled = false;
+  let fallbackWorkerSrc;
+  let nextFakeWorkerId = 0;
+  let fakeWorkerCapability;
+
+  if (_is_node.isNodeJS && typeof require === "function") {
+    isWorkerDisabled = true;
+    fallbackWorkerSrc = "../pdf.worker.js";
+  } else if (typeof document === "object" && "currentScript" in document) {
+    const pdfjsFilePath = document.currentScript && document.currentScript.src;
+
+    if (pdfjsFilePath) {
+      fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
+    }
+  }
+
+  function getWorkerSrc() {
+    if (_worker_options.GlobalWorkerOptions.workerSrc) {
+      return _worker_options.GlobalWorkerOptions.workerSrc;
+    }
+
+    if (typeof fallbackWorkerSrc !== "undefined") {
+      if (!_is_node.isNodeJS) {
+        (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
+      }
+
+      return fallbackWorkerSrc;
+    }
+
+    throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+  }
+
+  function getMainThreadWorkerMessageHandler() {
+    let mainWorkerMessageHandler;
+
+    try {
+      mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;
+    } catch (ex) {}
+
+    return mainWorkerMessageHandler || null;
+  }
+
+  function setupFakeWorkerGlobal() {
+    if (fakeWorkerCapability) {
+      return fakeWorkerCapability.promise;
+    }
+
+    fakeWorkerCapability = (0, _util.createPromiseCapability)();
+
+    const loader = async function () {
+      const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
+
+      if (mainWorkerMessageHandler) {
+        return mainWorkerMessageHandler;
+      }
+
+      if (_is_node.isNodeJS && typeof require === "function") {
+        const worker = eval("require")(getWorkerSrc());
+        return worker.WorkerMessageHandler;
+      }
+
+      await (0, _display_utils.loadScript)(getWorkerSrc());
+      return window.pdfjsWorker.WorkerMessageHandler;
+    };
+
+    loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
+    return fakeWorkerCapability.promise;
+  }
+
+  function createCDNWrapper(url) {
+    const wrapper = "importScripts('" + url + "');";
+    return URL.createObjectURL(new Blob([wrapper]));
+  }
+
+  class PDFWorker {
+    constructor({
+      name = null,
+      port = null,
+      verbosity = (0, _util.getVerbosityLevel)()
+    } = {}) {
+      if (port && pdfWorkerPorts.has(port)) {
+        throw new Error("Cannot use more than one PDFWorker per port");
+      }
+
+      this.name = name;
+      this.destroyed = false;
+      this.postMessageTransfers = true;
+      this.verbosity = verbosity;
+      this._readyCapability = (0, _util.createPromiseCapability)();
+      this._port = null;
+      this._webWorker = null;
+      this._messageHandler = null;
+
+      if (port) {
+        pdfWorkerPorts.set(port, this);
+
+        this._initializeFromPort(port);
+
+        return;
+      }
+
+      this._initialize();
+    }
+
+    get promise() {
+      return this._readyCapability.promise;
+    }
+
+    get port() {
+      return this._port;
+    }
+
+    get messageHandler() {
+      return this._messageHandler;
+    }
+
+    _initializeFromPort(port) {
+      this._port = port;
+      this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
+
+      this._messageHandler.on("ready", function () {});
+
+      this._readyCapability.resolve();
+    }
+
+    _initialize() {
+      if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
+        let workerSrc = getWorkerSrc();
+
+        try {
+          if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
+            workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
+          }
+
+          const worker = new Worker(workerSrc);
+          const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
+
+          const terminateEarly = () => {
+            worker.removeEventListener("error", onWorkerError);
+            messageHandler.destroy();
+            worker.terminate();
+
+            if (this.destroyed) {
+              this._readyCapability.reject(new Error("Worker was destroyed"));
+            } else {
+              this._setupFakeWorker();
+            }
+          };
+
+          const onWorkerError = () => {
+            if (!this._webWorker) {
+              terminateEarly();
+            }
+          };
+
+          worker.addEventListener("error", onWorkerError);
+          messageHandler.on("test", data => {
+            worker.removeEventListener("error", onWorkerError);
+
+            if (this.destroyed) {
+              terminateEarly();
+              return;
+            }
+
+            if (data) {
+              this._messageHandler = messageHandler;
+              this._port = worker;
+              this._webWorker = worker;
+
+              if (!data.supportTransfers) {
+                this.postMessageTransfers = false;
+              }
+
+              this._readyCapability.resolve();
+
+              messageHandler.send("configure", {
+                verbosity: this.verbosity
+              });
+            } else {
+              this._setupFakeWorker();
+
+              messageHandler.destroy();
+              worker.terminate();
+            }
+          });
+          messageHandler.on("ready", data => {
+            worker.removeEventListener("error", onWorkerError);
+
+            if (this.destroyed) {
+              terminateEarly();
+              return;
+            }
+
+            try {
+              sendTest();
+            } catch (e) {
+              this._setupFakeWorker();
+            }
+          });
+
+          const sendTest = () => {
+            const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]);
+
+            try {
+              messageHandler.send("test", testObj, [testObj.buffer]);
+            } catch (ex) {
+              (0, _util.warn)("Cannot use postMessage transfers.");
+              testObj[0] = 0;
+              messageHandler.send("test", testObj);
+            }
+          };
+
+          sendTest();
+          return;
+        } catch (e) {
+          (0, _util.info)("The worker has been disabled.");
+        }
+      }
+
+      this._setupFakeWorker();
+    }
+
+    _setupFakeWorker() {
+      if (!isWorkerDisabled) {
+        (0, _util.warn)("Setting up fake worker.");
+        isWorkerDisabled = true;
+      }
+
+      setupFakeWorkerGlobal().then(WorkerMessageHandler => {
+        if (this.destroyed) {
+          this._readyCapability.reject(new Error("Worker was destroyed"));
+
+          return;
+        }
+
+        const port = new LoopbackPort();
+        this._port = port;
+        const id = "fake" + nextFakeWorkerId++;
+        const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
+        WorkerMessageHandler.setup(workerHandler, port);
+        const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
+        this._messageHandler = messageHandler;
+
+        this._readyCapability.resolve();
+
+        messageHandler.send("configure", {
+          verbosity: this.verbosity
+        });
+      }).catch(reason => {
+        this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
+      });
+    }
+
+    destroy() {
+      this.destroyed = true;
+
+      if (this._webWorker) {
+        this._webWorker.terminate();
+
+        this._webWorker = null;
+      }
+
+      pdfWorkerPorts.delete(this._port);
+      this._port = null;
+
+      if (this._messageHandler) {
+        this._messageHandler.destroy();
+
+        this._messageHandler = null;
+      }
+    }
+
+    static fromPort(params) {
+      if (!params || !params.port) {
+        throw new Error("PDFWorker.fromPort - invalid method signature.");
+      }
+
+      if (pdfWorkerPorts.has(params.port)) {
+        return pdfWorkerPorts.get(params.port);
+      }
+
+      return new PDFWorker(params);
+    }
+
+    static getWorkerSrc() {
+      return getWorkerSrc();
+    }
+
+  }
+
+  return PDFWorker;
+}();
+
+exports.PDFWorker = PDFWorker;
+
+class WorkerTransport {
+  constructor(messageHandler, loadingTask, networkStream, params) {
+    this.messageHandler = messageHandler;
+    this.loadingTask = loadingTask;
+    this.commonObjs = new PDFObjects();
+    this.fontLoader = new _font_loader.FontLoader({
+      docId: loadingTask.docId,
+      onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+      ownerDocument: params.ownerDocument
+    });
+    this._params = params;
+    this.CMapReaderFactory = new params.CMapReaderFactory({
+      baseUrl: params.cMapUrl,
+      isCompressed: params.cMapPacked
+    });
+    this.destroyed = false;
+    this.destroyCapability = null;
+    this._passwordCapability = null;
+    this._networkStream = networkStream;
+    this._fullReader = null;
+    this._lastProgress = null;
+    this.pageCache = [];
+    this.pagePromises = [];
+    this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+    this.setupMessageHandler();
+  }
+
+  destroy() {
+    if (this.destroyCapability) {
+      return this.destroyCapability.promise;
+    }
+
+    this.destroyed = true;
+    this.destroyCapability = (0, _util.createPromiseCapability)();
+
+    if (this._passwordCapability) {
+      this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
+    }
+
+    const waitOn = [];
+    this.pageCache.forEach(function (page) {
+      if (page) {
+        waitOn.push(page._destroy());
+      }
+    });
+    this.pageCache.length = 0;
+    this.pagePromises.length = 0;
+    const terminated = this.messageHandler.sendWithPromise("Terminate", null);
+    waitOn.push(terminated);
+    Promise.all(waitOn).then(() => {
+      this.fontLoader.clear();
+
+      if (this._networkStream) {
+        this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
+      }
+
+      if (this.messageHandler) {
+        this.messageHandler.destroy();
+        this.messageHandler = null;
+      }
+
+      this.destroyCapability.resolve();
+    }, this.destroyCapability.reject);
+    return this.destroyCapability.promise;
+  }
+
+  setupMessageHandler() {
+    const {
+      messageHandler,
+      loadingTask
+    } = this;
+    messageHandler.on("GetReader", (data, sink) => {
+      (0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
+      this._fullReader = this._networkStream.getFullReader();
+
+      this._fullReader.onProgress = evt => {
+        this._lastProgress = {
+          loaded: evt.loaded,
+          total: evt.total
+        };
+      };
+
+      sink.onPull = () => {
+        this._fullReader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            sink.close();
+            return;
+          }
+
+          (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
+          sink.enqueue(new Uint8Array(value), 1, [value]);
+        }).catch(reason => {
+          sink.error(reason);
+        });
+      };
+
+      sink.onCancel = reason => {
+        this._fullReader.cancel(reason);
+
+        sink.ready.catch(readyReason => {
+          if (this.destroyed) {
+            return;
+          }
+
+          throw readyReason;
+        });
+      };
+    });
+    messageHandler.on("ReaderHeadersReady", data => {
+      const headersCapability = (0, _util.createPromiseCapability)();
+      const fullReader = this._fullReader;
+      fullReader.headersReady.then(() => {
+        if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+          if (this._lastProgress && loadingTask.onProgress) {
+            loadingTask.onProgress(this._lastProgress);
+          }
+
+          fullReader.onProgress = evt => {
+            if (loadingTask.onProgress) {
+              loadingTask.onProgress({
+                loaded: evt.loaded,
+                total: evt.total
+              });
+            }
+          };
+        }
+
+        headersCapability.resolve({
+          isStreamingSupported: fullReader.isStreamingSupported,
+          isRangeSupported: fullReader.isRangeSupported,
+          contentLength: fullReader.contentLength
+        });
+      }, headersCapability.reject);
+      return headersCapability.promise;
+    });
+    messageHandler.on("GetRangeReader", (data, sink) => {
+      (0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
+
+      const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
+
+      if (!rangeReader) {
+        sink.close();
+        return;
+      }
+
+      sink.onPull = () => {
+        rangeReader.read().then(function ({
+          value,
+          done
+        }) {
+          if (done) {
+            sink.close();
+            return;
+          }
+
+          (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
+          sink.enqueue(new Uint8Array(value), 1, [value]);
+        }).catch(reason => {
+          sink.error(reason);
+        });
+      };
+
+      sink.onCancel = reason => {
+        rangeReader.cancel(reason);
+        sink.ready.catch(readyReason => {
+          if (this.destroyed) {
+            return;
+          }
+
+          throw readyReason;
+        });
+      };
+    });
+    messageHandler.on("GetDoc", ({
+      pdfInfo
+    }) => {
+      this._numPages = pdfInfo.numPages;
+
+      loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
+    });
+    messageHandler.on("DocException", function (ex) {
+      let reason;
+
+      switch (ex.name) {
+        case "PasswordException":
+          reason = new _util.PasswordException(ex.message, ex.code);
+          break;
+
+        case "InvalidPDFException":
+          reason = new _util.InvalidPDFException(ex.message);
+          break;
+
+        case "MissingPDFException":
+          reason = new _util.MissingPDFException(ex.message);
+          break;
+
+        case "UnexpectedResponseException":
+          reason = new _util.UnexpectedResponseException(ex.message, ex.status);
+          break;
+
+        case "UnknownErrorException":
+          reason = new _util.UnknownErrorException(ex.message, ex.details);
+          break;
+      }
+
+      if (!(reason instanceof Error)) {
+        const msg = "DocException - expected a valid Error.";
+        (0, _util.warn)(msg);
+      }
+
+      loadingTask._capability.reject(reason);
+    });
+    messageHandler.on("PasswordRequest", exception => {
+      this._passwordCapability = (0, _util.createPromiseCapability)();
+
+      if (loadingTask.onPassword) {
+        const updatePassword = password => {
+          this._passwordCapability.resolve({
+            password
+          });
+        };
+
+        try {
+          loadingTask.onPassword(updatePassword, exception.code);
+        } catch (ex) {
+          this._passwordCapability.reject(ex);
+        }
+      } else {
+        this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+      }
+
+      return this._passwordCapability.promise;
+    });
+    messageHandler.on("DataLoaded", data => {
+      if (loadingTask.onProgress) {
+        loadingTask.onProgress({
+          loaded: data.length,
+          total: data.length
+        });
+      }
+
+      this.downloadInfoCapability.resolve(data);
+    });
+    messageHandler.on("StartRenderPage", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      const page = this.pageCache[data.pageIndex];
+
+      page._startRenderPage(data.transparency, data.intent);
+    });
+    messageHandler.on("commonobj", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      const [id, type, exportedData] = data;
+
+      if (this.commonObjs.has(id)) {
+        return;
+      }
+
+      switch (type) {
+        case "Font":
+          const params = this._params;
+
+          if ("error" in exportedData) {
+            const exportedError = exportedData.error;
+            (0, _util.warn)(`Error during font loading: ${exportedError}`);
+            this.commonObjs.resolve(id, exportedError);
+            break;
+          }
+
+          let fontRegistry = null;
+
+          if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) {
+            fontRegistry = {
+              registerFont(font, url) {
+                globalThis.FontInspector.fontAdded(font, url);
+              }
+
+            };
+          }
+
+          const font = new _font_loader.FontFaceObject(exportedData, {
+            isEvalSupported: params.isEvalSupported,
+            disableFontFace: params.disableFontFace,
+            ignoreErrors: params.ignoreErrors,
+            onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+            fontRegistry
+          });
+          this.fontLoader.bind(font).catch(reason => {
+            return messageHandler.sendWithPromise("FontFallback", {
+              id
+            });
+          }).finally(() => {
+            if (!params.fontExtraProperties && font.data) {
+              font.data = null;
+            }
+
+            this.commonObjs.resolve(id, font);
+          });
+          break;
+
+        case "FontPath":
+        case "Image":
+          this.commonObjs.resolve(id, exportedData);
+          break;
+
+        default:
+          throw new Error(`Got unknown common object type ${type}`);
+      }
+    });
+    messageHandler.on("obj", data => {
+      if (this.destroyed) {
+        return undefined;
+      }
+
+      const [id, pageIndex, type, imageData] = data;
+      const pageProxy = this.pageCache[pageIndex];
+
+      if (pageProxy.objs.has(id)) {
+        return undefined;
+      }
+
+      switch (type) {
+        case "Image":
+          pageProxy.objs.resolve(id, imageData);
+          const MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+          if (imageData && "data" in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
+            pageProxy.cleanupAfterRender = true;
+          }
+
+          break;
+
+        default:
+          throw new Error(`Got unknown object type ${type}`);
+      }
+
+      return undefined;
+    });
+    messageHandler.on("DocProgress", data => {
+      if (this.destroyed) {
+        return;
+      }
+
+      if (loadingTask.onProgress) {
+        loadingTask.onProgress({
+          loaded: data.loaded,
+          total: data.total
+        });
+      }
+    });
+    messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
+    messageHandler.on("FetchBuiltInCMap", (data, sink) => {
+      if (this.destroyed) {
+        sink.error(new Error("Worker was destroyed"));
+        return;
+      }
+
+      let fetched = false;
+
+      sink.onPull = () => {
+        if (fetched) {
+          sink.close();
+          return;
+        }
+
+        fetched = true;
+        this.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
+          sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
+        }).catch(function (reason) {
+          sink.error(reason);
+        });
+      };
+    });
+  }
+
+  _onUnsupportedFeature({
+    featureId
+  }) {
+    if (this.destroyed) {
+      return;
+    }
+
+    if (this.loadingTask.onUnsupportedFeature) {
+      this.loadingTask.onUnsupportedFeature(featureId);
+    }
+  }
+
+  getData() {
+    return this.messageHandler.sendWithPromise("GetData", null);
+  }
+
+  getPage(pageNumber) {
+    if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+      return Promise.reject(new Error("Invalid page request"));
+    }
+
+    const pageIndex = pageNumber - 1;
+
+    if (pageIndex in this.pagePromises) {
+      return this.pagePromises[pageIndex];
+    }
+
+    const promise = this.messageHandler.sendWithPromise("GetPage", {
+      pageIndex
+    }).then(pageInfo => {
+      if (this.destroyed) {
+        throw new Error("Transport destroyed");
+      }
+
+      const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
+      this.pageCache[pageIndex] = page;
+      return page;
+    });
+    this.pagePromises[pageIndex] = promise;
+    return promise;
+  }
+
+  getPageIndex(ref) {
+    return this.messageHandler.sendWithPromise("GetPageIndex", {
+      ref
+    }).catch(function (reason) {
+      return Promise.reject(new Error(reason));
+    });
+  }
+
+  getAnnotations(pageIndex, intent) {
+    return this.messageHandler.sendWithPromise("GetAnnotations", {
+      pageIndex,
+      intent
+    });
+  }
+
+  saveDocument(annotationStorage) {
+    return this.messageHandler.sendWithPromise("SaveDocument", {
+      numPages: this._numPages,
+      annotationStorage: annotationStorage && annotationStorage.getAll() || null,
+      filename: this._fullReader ? this._fullReader.filename : null
+    }).finally(() => {
+      if (annotationStorage) {
+        annotationStorage.resetModified();
+      }
+    });
+  }
+
+  getDestinations() {
+    return this.messageHandler.sendWithPromise("GetDestinations", null);
+  }
+
+  getDestination(id) {
+    if (typeof id !== "string") {
+      return Promise.reject(new Error("Invalid destination request."));
+    }
+
+    return this.messageHandler.sendWithPromise("GetDestination", {
+      id
+    });
+  }
+
+  getPageLabels() {
+    return this.messageHandler.sendWithPromise("GetPageLabels", null);
+  }
+
+  getPageLayout() {
+    return this.messageHandler.sendWithPromise("GetPageLayout", null);
+  }
+
+  getPageMode() {
+    return this.messageHandler.sendWithPromise("GetPageMode", null);
+  }
+
+  getViewerPreferences() {
+    return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
+  }
+
+  getOpenAction() {
+    return this.messageHandler.sendWithPromise("GetOpenAction", null);
+  }
+
+  getAttachments() {
+    return this.messageHandler.sendWithPromise("GetAttachments", null);
+  }
+
+  getJavaScript() {
+    return this.messageHandler.sendWithPromise("GetJavaScript", null);
+  }
+
+  getOutline() {
+    return this.messageHandler.sendWithPromise("GetOutline", null);
+  }
+
+  getOptionalContentConfig() {
+    return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
+      return new _optional_content_config.OptionalContentConfig(results);
+    });
+  }
+
+  getPermissions() {
+    return this.messageHandler.sendWithPromise("GetPermissions", null);
+  }
+
+  getMetadata() {
+    return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
+      return {
+        info: results[0],
+        metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+        contentDispositionFilename: this._fullReader ? this._fullReader.filename : null
+      };
+    });
+  }
+
+  getStats() {
+    return this.messageHandler.sendWithPromise("GetStats", null);
+  }
+
+  startCleanup() {
+    return this.messageHandler.sendWithPromise("Cleanup", null).then(() => {
+      for (let i = 0, ii = this.pageCache.length; i < ii; i++) {
+        const page = this.pageCache[i];
+
+        if (page) {
+          const cleanupSuccessful = page.cleanup();
+
+          if (!cleanupSuccessful) {
+            throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`);
+          }
+        }
+      }
+
+      this.commonObjs.clear();
+      this.fontLoader.clear();
+    });
+  }
+
+  get loadingParams() {
+    const params = this._params;
+    return (0, _util.shadow)(this, "loadingParams", {
+      disableAutoFetch: params.disableAutoFetch,
+      disableFontFace: params.disableFontFace
+    });
+  }
+
+}
+
+class PDFObjects {
+  constructor() {
+    this._objs = Object.create(null);
+  }
+
+  _ensureObj(objId) {
+    if (this._objs[objId]) {
+      return this._objs[objId];
+    }
+
+    return this._objs[objId] = {
+      capability: (0, _util.createPromiseCapability)(),
+      data: null,
+      resolved: false
+    };
+  }
+
+  get(objId, callback = null) {
+    if (callback) {
+      this._ensureObj(objId).capability.promise.then(callback);
+
+      return null;
+    }
+
+    const obj = this._objs[objId];
+
+    if (!obj || !obj.resolved) {
+      throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
+    }
+
+    return obj.data;
+  }
+
+  has(objId) {
+    const obj = this._objs[objId];
+    return obj ? obj.resolved : false;
+  }
+
+  resolve(objId, data) {
+    const obj = this._ensureObj(objId);
+
+    obj.resolved = true;
+    obj.data = data;
+    obj.capability.resolve(data);
+  }
+
+  clear() {
+    this._objs = Object.create(null);
+  }
+
+}
+
+class RenderTask {
+  constructor(internalRenderTask) {
+    this._internalRenderTask = internalRenderTask;
+    this.onContinue = null;
+  }
+
+  get promise() {
+    return this._internalRenderTask.capability.promise;
+  }
+
+  cancel() {
+    this._internalRenderTask.cancel();
+  }
+
+}
+
+const InternalRenderTask = function InternalRenderTaskClosure() {
+  const canvasInRendering = new WeakSet();
+
+  class InternalRenderTask {
+    constructor({
+      callback,
+      params,
+      objs,
+      commonObjs,
+      operatorList,
+      pageIndex,
+      canvasFactory,
+      webGLContext,
+      useRequestAnimationFrame = false,
+      pdfBug = false
+    }) {
+      this.callback = callback;
+      this.params = params;
+      this.objs = objs;
+      this.commonObjs = commonObjs;
+      this.operatorListIdx = null;
+      this.operatorList = operatorList;
+      this._pageIndex = pageIndex;
+      this.canvasFactory = canvasFactory;
+      this.webGLContext = webGLContext;
+      this._pdfBug = pdfBug;
+      this.running = false;
+      this.graphicsReadyCallback = null;
+      this.graphicsReady = false;
+      this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
+      this.cancelled = false;
+      this.capability = (0, _util.createPromiseCapability)();
+      this.task = new RenderTask(this);
+      this._continueBound = this._continue.bind(this);
+      this._scheduleNextBound = this._scheduleNext.bind(this);
+      this._nextBound = this._next.bind(this);
+      this._canvas = params.canvasContext.canvas;
+    }
+
+    get completed() {
+      return this.capability.promise.catch(function () {});
+    }
+
+    initializeGraphics({
+      transparency = false,
+      optionalContentConfig
+    }) {
+      if (this.cancelled) {
+        return;
+      }
+
+      if (this._canvas) {
+        if (canvasInRendering.has(this._canvas)) {
+          throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
+        }
+
+        canvasInRendering.add(this._canvas);
+      }
+
+      if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) {
+        this.stepper = globalThis.StepperManager.create(this._pageIndex);
+        this.stepper.init(this.operatorList);
+        this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+      }
+
+      const {
+        canvasContext,
+        viewport,
+        transform,
+        imageLayer,
+        background
+      } = this.params;
+      this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer, optionalContentConfig);
+      this.gfx.beginDrawing({
+        transform,
+        viewport,
+        transparency,
+        background
+      });
+      this.operatorListIdx = 0;
+      this.graphicsReady = true;
+
+      if (this.graphicsReadyCallback) {
+        this.graphicsReadyCallback();
+      }
+    }
+
+    cancel(error = null) {
+      this.running = false;
+      this.cancelled = true;
+
+      if (this.gfx) {
+        this.gfx.endDrawing();
+      }
+
+      if (this._canvas) {
+        canvasInRendering.delete(this._canvas);
+      }
+
+      this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
+    }
+
+    operatorListChanged() {
+      if (!this.graphicsReady) {
+        if (!this.graphicsReadyCallback) {
+          this.graphicsReadyCallback = this._continueBound;
+        }
+
+        return;
+      }
+
+      if (this.stepper) {
+        this.stepper.updateOperatorList(this.operatorList);
+      }
+
+      if (this.running) {
+        return;
+      }
+
+      this._continue();
+    }
+
+    _continue() {
+      this.running = true;
+
+      if (this.cancelled) {
+        return;
+      }
+
+      if (this.task.onContinue) {
+        this.task.onContinue(this._scheduleNextBound);
+      } else {
+        this._scheduleNext();
+      }
+    }
+
+    _scheduleNext() {
+      if (this._useRequestAnimationFrame) {
+        window.requestAnimationFrame(() => {
+          this._nextBound().catch(this.cancel.bind(this));
+        });
+      } else {
+        Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));
+      }
+    }
+
+    async _next() {
+      if (this.cancelled) {
+        return;
+      }
+
+      this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
+
+      if (this.operatorListIdx === this.operatorList.argsArray.length) {
+        this.running = false;
+
+        if (this.operatorList.lastChunk) {
+          this.gfx.endDrawing();
+
+          if (this._canvas) {
+            canvasInRendering.delete(this._canvas);
+          }
+
+          this.callback();
+        }
+      }
+    }
+
+  }
+
+  return InternalRenderTask;
+}();
+
+const version = '2.6.347';
+exports.version = version;
+const build = '3be9c65f';
+exports.build = build;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/api_compatibility.js b/node_modules/pdfjs-dist/lib/display/api_compatibility.js
new file mode 100644
index 00000000..7d5b80f9
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/api_compatibility.js
@@ -0,0 +1,40 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.apiCompatibilityParams = void 0;
+
+var _is_node = require("../shared/is_node.js");
+
+const compatibilityParams = Object.create(null);
+{
+  (function checkFontFace() {
+    if (_is_node.isNodeJS) {
+      compatibilityParams.disableFontFace = true;
+    }
+  })();
+}
+const apiCompatibilityParams = Object.freeze(compatibilityParams);
+exports.apiCompatibilityParams = apiCompatibilityParams;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/canvas.js b/node_modules/pdfjs-dist/lib/display/canvas.js
new file mode 100644
index 00000000..3158d98f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/canvas.js
@@ -0,0 +1,2230 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CanvasGraphics = void 0;
+
+var _util = require("../shared/util.js");
+
+var _pattern_helper = require("./pattern_helper.js");
+
+var MIN_FONT_SIZE = 16;
+var MAX_FONT_SIZE = 100;
+var MAX_GROUP_SIZE = 4096;
+var MIN_WIDTH_FACTOR = 0.65;
+var COMPILE_TYPE3_GLYPHS = true;
+var MAX_SIZE_TO_COMPILE = 1000;
+var FULL_CHUNK_HEIGHT = 16;
+
+function addContextCurrentTransform(ctx) {
+  if (!ctx.mozCurrentTransform) {
+    ctx._originalSave = ctx.save;
+    ctx._originalRestore = ctx.restore;
+    ctx._originalRotate = ctx.rotate;
+    ctx._originalScale = ctx.scale;
+    ctx._originalTranslate = ctx.translate;
+    ctx._originalTransform = ctx.transform;
+    ctx._originalSetTransform = ctx.setTransform;
+    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+    ctx._transformStack = [];
+    Object.defineProperty(ctx, "mozCurrentTransform", {
+      get: function getCurrentTransform() {
+        return this._transformMatrix;
+      }
+    });
+    Object.defineProperty(ctx, "mozCurrentTransformInverse", {
+      get: function getCurrentTransformInverse() {
+        var m = this._transformMatrix;
+        var a = m[0],
+            b = m[1],
+            c = m[2],
+            d = m[3],
+            e = m[4],
+            f = m[5];
+        var ad_bc = a * d - b * c;
+        var bc_ad = b * c - a * d;
+        return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
+      }
+    });
+
+    ctx.save = function ctxSave() {
+      var old = this._transformMatrix;
+
+      this._transformStack.push(old);
+
+      this._transformMatrix = old.slice(0, 6);
+
+      this._originalSave();
+    };
+
+    ctx.restore = function ctxRestore() {
+      var prev = this._transformStack.pop();
+
+      if (prev) {
+        this._transformMatrix = prev;
+
+        this._originalRestore();
+      }
+    };
+
+    ctx.translate = function ctxTranslate(x, y) {
+      var m = this._transformMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+
+      this._originalTranslate(x, y);
+    };
+
+    ctx.scale = function ctxScale(x, y) {
+      var m = this._transformMatrix;
+      m[0] = m[0] * x;
+      m[1] = m[1] * x;
+      m[2] = m[2] * y;
+      m[3] = m[3] * y;
+
+      this._originalScale(x, y);
+    };
+
+    ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
+
+      ctx._originalTransform(a, b, c, d, e, f);
+    };
+
+    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+      this._transformMatrix = [a, b, c, d, e, f];
+
+      ctx._originalSetTransform(a, b, c, d, e, f);
+    };
+
+    ctx.rotate = function ctxRotate(angle) {
+      var cosValue = Math.cos(angle);
+      var sinValue = Math.sin(angle);
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
+
+      this._originalRotate(angle);
+    };
+  }
+}
+
+var CachedCanvases = function CachedCanvasesClosure() {
+  function CachedCanvases(canvasFactory) {
+    this.canvasFactory = canvasFactory;
+    this.cache = Object.create(null);
+  }
+
+  CachedCanvases.prototype = {
+    getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
+      var canvasEntry;
+
+      if (this.cache[id] !== undefined) {
+        canvasEntry = this.cache[id];
+        this.canvasFactory.reset(canvasEntry, width, height);
+        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+      } else {
+        canvasEntry = this.canvasFactory.create(width, height);
+        this.cache[id] = canvasEntry;
+      }
+
+      if (trackTransform) {
+        addContextCurrentTransform(canvasEntry.context);
+      }
+
+      return canvasEntry;
+    },
+
+    clear() {
+      for (var id in this.cache) {
+        var canvasEntry = this.cache[id];
+        this.canvasFactory.destroy(canvasEntry);
+        delete this.cache[id];
+      }
+    }
+
+  };
+  return CachedCanvases;
+}();
+
+function compileType3Glyph(imgData) {
+  var POINT_TO_PROCESS_LIMIT = 1000;
+  var width = imgData.width,
+      height = imgData.height;
+  var i,
+      j,
+      j0,
+      width1 = width + 1;
+  var points = new Uint8Array(width1 * (height + 1));
+  var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+  var lineSize = width + 7 & ~7,
+      data0 = imgData.data;
+  var data = new Uint8Array(lineSize * height),
+      pos = 0,
+      ii;
+
+  for (i = 0, ii = data0.length; i < ii; i++) {
+    var mask = 128,
+        elem = data0[i];
+
+    while (mask > 0) {
+      data[pos++] = elem & mask ? 0 : 255;
+      mask >>= 1;
+    }
+  }
+
+  var count = 0;
+  pos = 0;
+
+  if (data[pos] !== 0) {
+    points[0] = 1;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j] = data[pos] ? 2 : 1;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j] = 2;
+    ++count;
+  }
+
+  for (i = 1; i < height; i++) {
+    pos = i * lineSize;
+    j0 = i * width1;
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0] = data[pos] ? 1 : 8;
+      ++count;
+    }
+
+    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
+    for (j = 1; j < width; j++) {
+      sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
+
+      if (POINT_TYPES[sum]) {
+        points[j0 + j] = POINT_TYPES[sum];
+        ++count;
+      }
+
+      pos++;
+    }
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0 + j] = data[pos] ? 2 : 4;
+      ++count;
+    }
+
+    if (count > POINT_TO_PROCESS_LIMIT) {
+      return null;
+    }
+  }
+
+  pos = lineSize * (height - 1);
+  j0 = i * width1;
+
+  if (data[pos] !== 0) {
+    points[j0] = 8;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j0 + j] = data[pos] ? 4 : 8;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j0 + j] = 4;
+    ++count;
+  }
+
+  if (count > POINT_TO_PROCESS_LIMIT) {
+    return null;
+  }
+
+  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+  var outlines = [];
+
+  for (i = 0; count && i <= height; i++) {
+    var p = i * width1;
+    var end = p + width;
+
+    while (p < end && !points[p]) {
+      p++;
+    }
+
+    if (p === end) {
+      continue;
+    }
+
+    var coords = [p % width1, i];
+    var type = points[p],
+        p0 = p,
+        pp;
+
+    do {
+      var step = steps[type];
+
+      do {
+        p += step;
+      } while (!points[p]);
+
+      pp = points[p];
+
+      if (pp !== 5 && pp !== 10) {
+        type = pp;
+        points[p] = 0;
+      } else {
+        type = pp & 0x33 * type >> 4;
+        points[p] &= type >> 2 | type << 2;
+      }
+
+      coords.push(p % width1);
+      coords.push(p / width1 | 0);
+
+      if (!points[p]) {
+        --count;
+      }
+    } while (p0 !== p);
+
+    outlines.push(coords);
+    --i;
+  }
+
+  var drawOutline = function (c) {
+    c.save();
+    c.scale(1 / width, -1 / height);
+    c.translate(0, -height);
+    c.beginPath();
+
+    for (let k = 0, kk = outlines.length; k < kk; k++) {
+      var o = outlines[k];
+      c.moveTo(o[0], o[1]);
+
+      for (let l = 2, ll = o.length; l < ll; l += 2) {
+        c.lineTo(o[l], o[l + 1]);
+      }
+    }
+
+    c.fill();
+    c.beginPath();
+    c.restore();
+  };
+
+  return drawOutline;
+}
+
+var CanvasExtraState = function CanvasExtraStateClosure() {
+  function CanvasExtraState() {
+    this.alphaIsShape = false;
+    this.fontSize = 0;
+    this.fontSizeScale = 1;
+    this.textMatrix = _util.IDENTITY_MATRIX;
+    this.textMatrixScale = 1;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.leading = 0;
+    this.x = 0;
+    this.y = 0;
+    this.lineX = 0;
+    this.lineY = 0;
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.textHScale = 1;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.textRise = 0;
+    this.fillColor = "#000000";
+    this.strokeColor = "#000000";
+    this.patternFill = false;
+    this.fillAlpha = 1;
+    this.strokeAlpha = 1;
+    this.lineWidth = 1;
+    this.activeSMask = null;
+    this.resumeSMaskCtx = null;
+    this.transferMaps = null;
+  }
+
+  CanvasExtraState.prototype = {
+    clone: function CanvasExtraState_clone() {
+      return Object.create(this);
+    },
+    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+  };
+  return CanvasExtraState;
+}();
+
+var CanvasGraphics = function CanvasGraphicsClosure() {
+  var EXECUTION_TIME = 15;
+  var EXECUTION_STEPS = 10;
+
+  function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer, optionalContentConfig) {
+    this.ctx = canvasCtx;
+    this.current = new CanvasExtraState();
+    this.stateStack = [];
+    this.pendingClip = null;
+    this.pendingEOFill = false;
+    this.res = null;
+    this.xobjs = null;
+    this.commonObjs = commonObjs;
+    this.objs = objs;
+    this.canvasFactory = canvasFactory;
+    this.webGLContext = webGLContext;
+    this.imageLayer = imageLayer;
+    this.groupStack = [];
+    this.processingType3 = null;
+    this.baseTransform = null;
+    this.baseTransformStack = [];
+    this.groupLevel = 0;
+    this.smaskStack = [];
+    this.smaskCounter = 0;
+    this.tempSMask = null;
+    this.contentVisible = true;
+    this.markedContentStack = [];
+    this.optionalContentConfig = optionalContentConfig;
+    this.cachedCanvases = new CachedCanvases(this.canvasFactory);
+
+    if (canvasCtx) {
+      addContextCurrentTransform(canvasCtx);
+    }
+
+    this._cachedGetSinglePixelWidth = null;
+  }
+
+  function putBinaryImageData(ctx, imgData, transferMaps = null) {
+    if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
+      ctx.putImageData(imgData, 0, 0);
+      return;
+    }
+
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0,
+        destPos;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+    var i, j, thisChunkHeight, elemsInThisChunk;
+    let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
+
+    if (transferMaps) {
+      switch (transferMaps.length) {
+        case 1:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[0];
+          transferMapBlue = transferMaps[0];
+          transferMapGray = transferMaps[0];
+          break;
+
+        case 4:
+          transferMapRed = transferMaps[0];
+          transferMapGreen = transferMaps[1];
+          transferMapBlue = transferMaps[2];
+          transferMapGray = transferMaps[3];
+          break;
+      }
+    }
+
+    if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
+      var srcLength = src.byteLength;
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
+      var dest32DataLength = dest32.length;
+      var fullSrcDiff = width + 7 >> 3;
+      var white = 0xffffffff;
+      var black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
+
+      if (transferMapGray) {
+        if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
+          [white, black] = [black, white];
+        }
+      }
+
+      for (i = 0; i < totalChunks; i++) {
+        thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+        destPos = 0;
+
+        for (j = 0; j < thisChunkHeight; j++) {
+          var srcDiff = srcLength - srcPos;
+          let k = 0;
+          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
+          var kEndUnrolled = kEnd & ~7;
+          var mask = 0;
+          var srcByte = 0;
+
+          for (; k < kEndUnrolled; k += 8) {
+            srcByte = src[srcPos++];
+            dest32[destPos++] = srcByte & 128 ? white : black;
+            dest32[destPos++] = srcByte & 64 ? white : black;
+            dest32[destPos++] = srcByte & 32 ? white : black;
+            dest32[destPos++] = srcByte & 16 ? white : black;
+            dest32[destPos++] = srcByte & 8 ? white : black;
+            dest32[destPos++] = srcByte & 4 ? white : black;
+            dest32[destPos++] = srcByte & 2 ? white : black;
+            dest32[destPos++] = srcByte & 1 ? white : black;
+          }
+
+          for (; k < kEnd; k++) {
+            if (mask === 0) {
+              srcByte = src[srcPos++];
+              mask = 128;
+            }
+
+            dest32[destPos++] = srcByte & mask ? white : black;
+            mask >>= 1;
+          }
+        }
+
+        while (destPos < dest32DataLength) {
+          dest32[destPos++] = 0;
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
+      const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+      j = 0;
+      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+      for (i = 0; i < fullChunks; i++) {
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+        srcPos += elemsInThisChunk;
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < elemsInThisChunk; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+        j += FULL_CHUNK_HEIGHT;
+      }
+
+      if (i < totalChunks) {
+        elemsInThisChunk = width * partialChunkHeight * 4;
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < elemsInThisChunk; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, j);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+      const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+      thisChunkHeight = FULL_CHUNK_HEIGHT;
+      elemsInThisChunk = width * thisChunkHeight;
+
+      for (i = 0; i < totalChunks; i++) {
+        if (i >= fullChunks) {
+          thisChunkHeight = partialChunkHeight;
+          elemsInThisChunk = width * thisChunkHeight;
+        }
+
+        destPos = 0;
+
+        for (j = elemsInThisChunk; j--;) {
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = 255;
+        }
+
+        if (hasTransferMaps) {
+          for (let k = 0; k < destPos; k += 4) {
+            if (transferMapRed) {
+              dest[k + 0] = transferMapRed[dest[k + 0]];
+            }
+
+            if (transferMapGreen) {
+              dest[k + 1] = transferMapGreen[dest[k + 1]];
+            }
+
+            if (transferMapBlue) {
+              dest[k + 2] = transferMapBlue[dest[k + 2]];
+            }
+          }
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else {
+      throw new Error(`bad image kind: ${imgData.kind}`);
+    }
+  }
+
+  function putBinaryImageMask(ctx, imgData) {
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+
+    for (var i = 0; i < totalChunks; i++) {
+      var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+      var destPos = 3;
+
+      for (var j = 0; j < thisChunkHeight; j++) {
+        var mask = 0;
+
+        for (var k = 0; k < width; k++) {
+          if (!mask) {
+            var elem = src[srcPos++];
+            mask = 128;
+          }
+
+          dest[destPos] = elem & mask ? 0 : 255;
+          destPos += 4;
+          mask >>= 1;
+        }
+      }
+
+      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+    }
+  }
+
+  function copyCtxState(sourceCtx, destCtx) {
+    var properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
+
+    for (var i = 0, ii = properties.length; i < ii; i++) {
+      var property = properties[i];
+
+      if (sourceCtx[property] !== undefined) {
+        destCtx[property] = sourceCtx[property];
+      }
+    }
+
+    if (sourceCtx.setLineDash !== undefined) {
+      destCtx.setLineDash(sourceCtx.getLineDash());
+      destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+    }
+  }
+
+  function resetCtxToDefault(ctx) {
+    ctx.strokeStyle = "#000000";
+    ctx.fillStyle = "#000000";
+    ctx.fillRule = "nonzero";
+    ctx.globalAlpha = 1;
+    ctx.lineWidth = 1;
+    ctx.lineCap = "butt";
+    ctx.lineJoin = "miter";
+    ctx.miterLimit = 10;
+    ctx.globalCompositeOperation = "source-over";
+    ctx.font = "10px sans-serif";
+
+    if (ctx.setLineDash !== undefined) {
+      ctx.setLineDash([]);
+      ctx.lineDashOffset = 0;
+    }
+  }
+
+  function composeSMaskBackdrop(bytes, r0, g0, b0) {
+    var length = bytes.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = bytes[i];
+
+      if (alpha === 0) {
+        bytes[i - 3] = r0;
+        bytes[i - 2] = g0;
+        bytes[i - 1] = b0;
+      } else if (alpha < 255) {
+        var alpha_ = 255 - alpha;
+        bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+        bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+        bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+      }
+    }
+  }
+
+  function composeSMaskAlpha(maskData, layerData, transferMap) {
+    var length = maskData.length;
+    var scale = 1 / 255;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+      layerData[i] = layerData[i] * alpha * scale | 0;
+    }
+  }
+
+  function composeSMaskLuminosity(maskData, layerData, transferMap) {
+    var length = maskData.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+      layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+    }
+  }
+
+  function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
+    var hasBackdrop = !!backdrop;
+    var r0 = hasBackdrop ? backdrop[0] : 0;
+    var g0 = hasBackdrop ? backdrop[1] : 0;
+    var b0 = hasBackdrop ? backdrop[2] : 0;
+    var composeFn;
+
+    if (subtype === "Luminosity") {
+      composeFn = composeSMaskLuminosity;
+    } else {
+      composeFn = composeSMaskAlpha;
+    }
+
+    var PIXELS_TO_PROCESS = 1048576;
+    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+    for (var row = 0; row < height; row += chunkSize) {
+      var chunkHeight = Math.min(chunkSize, height - row);
+      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+      if (hasBackdrop) {
+        composeSMaskBackdrop(maskData.data, r0, g0, b0);
+      }
+
+      composeFn(maskData.data, layerData.data, transferMap);
+      maskCtx.putImageData(layerData, 0, row);
+    }
+  }
+
+  function composeSMask(ctx, smask, layerCtx, webGLContext) {
+    var mask = smask.canvas;
+    var maskCtx = smask.context;
+    ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
+    var backdrop = smask.backdrop || null;
+
+    if (!smask.transferMap && webGLContext.isEnabled) {
+      const composed = webGLContext.composeSMask({
+        layer: layerCtx.canvas,
+        mask,
+        properties: {
+          subtype: smask.subtype,
+          backdrop
+        }
+      });
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+      return;
+    }
+
+    genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
+    ctx.drawImage(mask, 0, 0);
+  }
+
+  var LINE_CAP_STYLES = ["butt", "round", "square"];
+  var LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+  var NORMAL_CLIP = {};
+  var EO_CLIP = {};
+  CanvasGraphics.prototype = {
+    beginDrawing({
+      transform,
+      viewport,
+      transparency = false,
+      background = null
+    }) {
+      var width = this.ctx.canvas.width;
+      var height = this.ctx.canvas.height;
+      this.ctx.save();
+      this.ctx.fillStyle = background || "rgb(255, 255, 255)";
+      this.ctx.fillRect(0, 0, width, height);
+      this.ctx.restore();
+
+      if (transparency) {
+        var transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true);
+        this.compositeCtx = this.ctx;
+        this.transparentCanvas = transparentCanvas.canvas;
+        this.ctx = transparentCanvas.context;
+        this.ctx.save();
+        this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
+      }
+
+      this.ctx.save();
+      resetCtxToDefault(this.ctx);
+
+      if (transform) {
+        this.ctx.transform.apply(this.ctx, transform);
+      }
+
+      this.ctx.transform.apply(this.ctx, viewport.transform);
+      this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+      if (this.imageLayer) {
+        this.imageLayer.beginLayout();
+      }
+    },
+
+    executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
+      var argsArray = operatorList.argsArray;
+      var fnArray = operatorList.fnArray;
+      var i = executionStartIdx || 0;
+      var argsArrayLen = argsArray.length;
+
+      if (argsArrayLen === i) {
+        return i;
+      }
+
+      var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
+      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+      var steps = 0;
+      var commonObjs = this.commonObjs;
+      var objs = this.objs;
+      var fnId;
+
+      while (true) {
+        if (stepper !== undefined && i === stepper.nextBreakPoint) {
+          stepper.breakIt(i, continueCallback);
+          return i;
+        }
+
+        fnId = fnArray[i];
+
+        if (fnId !== _util.OPS.dependency) {
+          this[fnId].apply(this, argsArray[i]);
+        } else {
+          for (const depObjId of argsArray[i]) {
+            const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
+
+            if (!objsPool.has(depObjId)) {
+              objsPool.get(depObjId, continueCallback);
+              return i;
+            }
+          }
+        }
+
+        i++;
+
+        if (i === argsArrayLen) {
+          return i;
+        }
+
+        if (chunkOperations && ++steps > EXECUTION_STEPS) {
+          if (Date.now() > endTime) {
+            continueCallback();
+            return i;
+          }
+
+          steps = 0;
+        }
+      }
+    },
+    endDrawing: function CanvasGraphics_endDrawing() {
+      if (this.current.activeSMask !== null) {
+        this.endSMaskGroup();
+      }
+
+      this.ctx.restore();
+
+      if (this.transparentCanvas) {
+        this.ctx = this.compositeCtx;
+        this.ctx.save();
+        this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+        this.ctx.drawImage(this.transparentCanvas, 0, 0);
+        this.ctx.restore();
+        this.transparentCanvas = null;
+      }
+
+      this.cachedCanvases.clear();
+      this.webGLContext.clear();
+
+      if (this.imageLayer) {
+        this.imageLayer.endLayout();
+      }
+    },
+    setLineWidth: function CanvasGraphics_setLineWidth(width) {
+      this.current.lineWidth = width;
+      this.ctx.lineWidth = width;
+    },
+    setLineCap: function CanvasGraphics_setLineCap(style) {
+      this.ctx.lineCap = LINE_CAP_STYLES[style];
+    },
+    setLineJoin: function CanvasGraphics_setLineJoin(style) {
+      this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+    },
+    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+      this.ctx.miterLimit = limit;
+    },
+    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+      var ctx = this.ctx;
+
+      if (ctx.setLineDash !== undefined) {
+        ctx.setLineDash(dashArray);
+        ctx.lineDashOffset = dashPhase;
+      }
+    },
+
+    setRenderingIntent(intent) {},
+
+    setFlatness(flatness) {},
+
+    setGState: function CanvasGraphics_setGState(states) {
+      for (var i = 0, ii = states.length; i < ii; i++) {
+        var state = states[i];
+        var key = state[0];
+        var value = state[1];
+
+        switch (key) {
+          case "LW":
+            this.setLineWidth(value);
+            break;
+
+          case "LC":
+            this.setLineCap(value);
+            break;
+
+          case "LJ":
+            this.setLineJoin(value);
+            break;
+
+          case "ML":
+            this.setMiterLimit(value);
+            break;
+
+          case "D":
+            this.setDash(value[0], value[1]);
+            break;
+
+          case "RI":
+            this.setRenderingIntent(value);
+            break;
+
+          case "FL":
+            this.setFlatness(value);
+            break;
+
+          case "Font":
+            this.setFont(value[0], value[1]);
+            break;
+
+          case "CA":
+            this.current.strokeAlpha = state[1];
+            break;
+
+          case "ca":
+            this.current.fillAlpha = state[1];
+            this.ctx.globalAlpha = state[1];
+            break;
+
+          case "BM":
+            this.ctx.globalCompositeOperation = value;
+            break;
+
+          case "SMask":
+            if (this.current.activeSMask) {
+              if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
+                this.suspendSMaskGroup();
+              } else {
+                this.endSMaskGroup();
+              }
+            }
+
+            this.current.activeSMask = value ? this.tempSMask : null;
+
+            if (this.current.activeSMask) {
+              this.beginSMaskGroup();
+            }
+
+            this.tempSMask = null;
+            break;
+
+          case "TR":
+            this.current.transferMaps = value;
+        }
+      }
+    },
+    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+      var activeSMask = this.current.activeSMask;
+      var drawnWidth = activeSMask.canvas.width;
+      var drawnHeight = activeSMask.canvas.height;
+      var cacheId = "smaskGroupAt" + this.groupLevel;
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var currentCtx = this.ctx;
+      var currentTransform = currentCtx.mozCurrentTransform;
+      this.ctx.save();
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      this.ctx.save();
+      copyCtxState(groupCtx, this.ctx);
+      this.current.resumeSMaskCtx = groupCtx;
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+      groupCtx.save();
+      groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+      groupCtx.restore();
+    },
+    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.current.resumeSMaskCtx;
+      var currentCtx = this.ctx;
+      this.ctx = groupCtx;
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      copyCtxState(groupCtx, this.ctx);
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+    },
+    save: function CanvasGraphics_save() {
+      this.ctx.save();
+      var old = this.current;
+      this.stateStack.push(old);
+      this.current = old.clone();
+      this.current.resumeSMaskCtx = null;
+    },
+    restore: function CanvasGraphics_restore() {
+      if (this.current.resumeSMaskCtx) {
+        this.resumeSMaskGroup();
+      }
+
+      if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
+        this.endSMaskGroup();
+      }
+
+      if (this.stateStack.length !== 0) {
+        this.current = this.stateStack.pop();
+        this.ctx.restore();
+        this.pendingClip = null;
+        this._cachedGetSinglePixelWidth = null;
+      }
+    },
+    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+      this.ctx.transform(a, b, c, d, e, f);
+      this._cachedGetSinglePixelWidth = null;
+    },
+    constructPath: function CanvasGraphics_constructPath(ops, args) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var x = current.x,
+          y = current.y;
+
+      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
+        switch (ops[i] | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            var width = args[j++];
+            var height = args[j++];
+
+            if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              width = this.getSinglePixelWidth();
+            }
+
+            if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+              height = this.getSinglePixelWidth();
+            }
+
+            var xw = x + width;
+            var yh = y + height;
+            ctx.moveTo(x, y);
+            ctx.lineTo(xw, y);
+            ctx.lineTo(xw, yh);
+            ctx.lineTo(x, yh);
+            ctx.lineTo(x, y);
+            ctx.closePath();
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.moveTo(x, y);
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.lineTo(x, y);
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            ctx.closePath();
+            break;
+        }
+      }
+
+      current.setCurrentPoint(x, y);
+    },
+    closePath: function CanvasGraphics_closePath() {
+      this.ctx.closePath();
+    },
+    stroke: function CanvasGraphics_stroke(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var strokeColor = this.current.strokeColor;
+      ctx.globalAlpha = this.current.strokeAlpha;
+
+      if (this.contentVisible) {
+        if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") {
+          ctx.save();
+          const transform = ctx.mozCurrentTransform;
+
+          const scale = _util.Util.singularValueDecompose2dScale(transform)[0];
+
+          ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
+          ctx.stroke();
+          ctx.restore();
+        } else {
+          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
+          ctx.stroke();
+        }
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+
+      ctx.globalAlpha = this.current.fillAlpha;
+    },
+    closeStroke: function CanvasGraphics_closeStroke() {
+      this.closePath();
+      this.stroke();
+    },
+    fill: function CanvasGraphics_fill(consumePath) {
+      consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var needRestore = false;
+
+      if (isPatternFill) {
+        ctx.save();
+
+        if (this.baseTransform) {
+          ctx.setTransform.apply(ctx, this.baseTransform);
+        }
+
+        ctx.fillStyle = fillColor.getPattern(ctx, this);
+        needRestore = true;
+      }
+
+      if (this.contentVisible) {
+        if (this.pendingEOFill) {
+          ctx.fill("evenodd");
+          this.pendingEOFill = false;
+        } else {
+          ctx.fill();
+        }
+      }
+
+      if (needRestore) {
+        ctx.restore();
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+    },
+    eoFill: function CanvasGraphics_eoFill() {
+      this.pendingEOFill = true;
+      this.fill();
+    },
+    fillStroke: function CanvasGraphics_fillStroke() {
+      this.fill(false);
+      this.stroke(false);
+      this.consumePath();
+    },
+    eoFillStroke: function CanvasGraphics_eoFillStroke() {
+      this.pendingEOFill = true;
+      this.fillStroke();
+    },
+    closeFillStroke: function CanvasGraphics_closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    },
+    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+      this.pendingEOFill = true;
+      this.closePath();
+      this.fillStroke();
+    },
+    endPath: function CanvasGraphics_endPath() {
+      this.consumePath();
+    },
+    clip: function CanvasGraphics_clip() {
+      this.pendingClip = NORMAL_CLIP;
+    },
+    eoClip: function CanvasGraphics_eoClip() {
+      this.pendingClip = EO_CLIP;
+    },
+    beginText: function CanvasGraphics_beginText() {
+      this.current.textMatrix = _util.IDENTITY_MATRIX;
+      this.current.textMatrixScale = 1;
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    endText: function CanvasGraphics_endText() {
+      var paths = this.pendingTextPaths;
+      var ctx = this.ctx;
+
+      if (paths === undefined) {
+        ctx.beginPath();
+        return;
+      }
+
+      ctx.save();
+      ctx.beginPath();
+
+      for (var i = 0; i < paths.length; i++) {
+        var path = paths[i];
+        ctx.setTransform.apply(ctx, path.transform);
+        ctx.translate(path.x, path.y);
+        path.addToPath(ctx, path.fontSize);
+      }
+
+      ctx.restore();
+      ctx.clip();
+      ctx.beginPath();
+      delete this.pendingTextPaths;
+    },
+    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+      this.current.charSpacing = spacing;
+    },
+    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+      this.current.wordSpacing = spacing;
+    },
+    setHScale: function CanvasGraphics_setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    },
+    setLeading: function CanvasGraphics_setLeading(leading) {
+      this.current.leading = -leading;
+    },
+    setFont: function CanvasGraphics_setFont(fontRefName, size) {
+      var fontObj = this.commonObjs.get(fontRefName);
+      var current = this.current;
+
+      if (!fontObj) {
+        throw new Error(`Can't find font for ${fontRefName}`);
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+
+      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+        (0, _util.warn)("Invalid font matrix for font " + fontRefName);
+      }
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      this.current.font = fontObj;
+      this.current.fontSize = size;
+
+      if (fontObj.isType3Font) {
+        return;
+      }
+
+      var name = fontObj.loadedName || "sans-serif";
+      let bold = "normal";
+
+      if (fontObj.black) {
+        bold = "900";
+      } else if (fontObj.bold) {
+        bold = "bold";
+      }
+
+      var italic = fontObj.italic ? "italic" : "normal";
+      var typeface = `"${name}", ${fontObj.fallbackName}`;
+      let browserFontSize = size;
+
+      if (size < MIN_FONT_SIZE) {
+        browserFontSize = MIN_FONT_SIZE;
+      } else if (size > MAX_FONT_SIZE) {
+        browserFontSize = MAX_FONT_SIZE;
+      }
+
+      this.current.fontSizeScale = size / browserFontSize;
+      this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
+    },
+    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+      this.current.textRenderingMode = mode;
+    },
+    setTextRise: function CanvasGraphics_setTextRise(rise) {
+      this.current.textRise = rise;
+    },
+    moveText: function CanvasGraphics_moveText(x, y) {
+      this.current.x = this.current.lineX += x;
+      this.current.y = this.current.lineY += y;
+    },
+    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    },
+    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+      this.current.textMatrix = [a, b, c, d, e, f];
+      this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    nextLine: function CanvasGraphics_nextLine() {
+      this.moveText(0, this.current.leading);
+    },
+
+    paintChar(character, x, y, patternTransform) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var textRenderingMode = current.textRenderingMode;
+      var fontSize = current.fontSize / current.fontSizeScale;
+      var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+      var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+      const patternFill = current.patternFill && !font.missingFile;
+      var addToPath;
+
+      if (font.disableFontFace || isAddToPathSet || patternFill) {
+        addToPath = font.getPathGenerator(this.commonObjs, character);
+      }
+
+      if (font.disableFontFace || patternFill) {
+        ctx.save();
+        ctx.translate(x, y);
+        ctx.beginPath();
+        addToPath(ctx, fontSize);
+
+        if (patternTransform) {
+          ctx.setTransform.apply(ctx, patternTransform);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fill();
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.stroke();
+        }
+
+        ctx.restore();
+      } else {
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fillText(character, x, y);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.strokeText(character, x, y);
+        }
+      }
+
+      if (isAddToPathSet) {
+        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+        paths.push({
+          transform: ctx.mozCurrentTransform,
+          x,
+          y,
+          fontSize,
+          addToPath
+        });
+      }
+    },
+
+    get isFontSubpixelAAEnabled() {
+      const {
+        context: ctx
+      } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
+      ctx.scale(1.5, 1);
+      ctx.fillText("I", 0, 10);
+      var data = ctx.getImageData(0, 0, 10, 10).data;
+      var enabled = false;
+
+      for (var i = 3; i < data.length; i += 4) {
+        if (data[i] > 0 && data[i] < 255) {
+          enabled = true;
+          break;
+        }
+      }
+
+      return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
+    },
+
+    showText: function CanvasGraphics_showText(glyphs) {
+      var current = this.current;
+      var font = current.font;
+
+      if (font.isType3Font) {
+        return this.showType3Text(glyphs);
+      }
+
+      var fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return undefined;
+      }
+
+      var ctx = this.ctx;
+      var fontSizeScale = current.fontSizeScale;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var fontDirection = current.fontDirection;
+      var textHScale = current.textHScale * fontDirection;
+      var glyphsLength = glyphs.length;
+      var vertical = font.vertical;
+      var spacingDir = vertical ? 1 : -1;
+      var defaultVMetrics = font.defaultVMetrics;
+      var widthAdvanceScale = fontSize * current.fontMatrix[0];
+      var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+      ctx.save();
+      let patternTransform;
+
+      if (current.patternFill) {
+        ctx.save();
+        const pattern = current.fillColor.getPattern(ctx, this);
+        patternTransform = ctx.mozCurrentTransform;
+        ctx.restore();
+        ctx.fillStyle = pattern;
+      }
+
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y + current.textRise);
+
+      if (fontDirection > 0) {
+        ctx.scale(textHScale, -1);
+      } else {
+        ctx.scale(textHScale, 1);
+      }
+
+      var lineWidth = current.lineWidth;
+      var scale = current.textMatrixScale;
+
+      if (scale === 0 || lineWidth === 0) {
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          this._cachedGetSinglePixelWidth = null;
+          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+        }
+      } else {
+        lineWidth /= scale;
+      }
+
+      if (fontSizeScale !== 1.0) {
+        ctx.scale(fontSizeScale, fontSizeScale);
+        lineWidth /= fontSizeScale;
+      }
+
+      ctx.lineWidth = lineWidth;
+      var x = 0,
+          i;
+
+      for (i = 0; i < glyphsLength; ++i) {
+        var glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        var restoreNeeded = false;
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var character = glyph.fontChar;
+        var accent = glyph.accent;
+        var scaledX, scaledY, scaledAccentX, scaledAccentY;
+        var width = glyph.width;
+
+        if (vertical) {
+          var vmetric, vx, vy;
+          vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (font.remeasure && width > 0) {
+          var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
+
+          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+            var characterScaleX = width / measuredWidth;
+            restoreNeeded = true;
+            ctx.save();
+            ctx.scale(characterScaleX, 1);
+            scaledX /= characterScaleX;
+          } else if (width !== measuredWidth) {
+            scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
+          }
+        }
+
+        if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
+          if (simpleFillText && !accent) {
+            ctx.fillText(character, scaledX, scaledY);
+          } else {
+            this.paintChar(character, scaledX, scaledY, patternTransform);
+
+            if (accent) {
+              scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
+              scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
+              this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+            }
+          }
+        }
+
+        var charWidth;
+
+        if (vertical) {
+          charWidth = width * widthAdvanceScale - spacing * fontDirection;
+        } else {
+          charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        }
+
+        x += charWidth;
+
+        if (restoreNeeded) {
+          ctx.restore();
+        }
+      }
+
+      if (vertical) {
+        current.y -= x;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      ctx.restore();
+    },
+    showType3Text: function CanvasGraphics_showType3Text(glyphs) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var fontSize = current.fontSize;
+      var fontDirection = current.fontDirection;
+      var spacingDir = font.vertical ? 1 : -1;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var textHScale = current.textHScale * fontDirection;
+      var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      var glyphsLength = glyphs.length;
+      var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+      var i, glyph, width, spacingLength;
+
+      if (isTextInvisible || fontSize === 0) {
+        return;
+      }
+
+      this._cachedGetSinglePixelWidth = null;
+      ctx.save();
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y);
+      ctx.scale(textHScale, fontDirection);
+
+      for (i = 0; i < glyphsLength; ++i) {
+        glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          spacingLength = spacingDir * glyph * fontSize / 1000;
+          this.ctx.translate(spacingLength, 0);
+          current.x += spacingLength * textHScale;
+          continue;
+        }
+
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var operatorList = font.charProcOperatorList[glyph.operatorListId];
+
+        if (!operatorList) {
+          (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
+          continue;
+        }
+
+        if (this.contentVisible) {
+          this.processingType3 = glyph;
+          this.save();
+          ctx.scale(fontSize, fontSize);
+          ctx.transform.apply(ctx, fontMatrix);
+          this.executeOperatorList(operatorList);
+          this.restore();
+        }
+
+        var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
+
+        width = transformed[0] * fontSize + spacing;
+        ctx.translate(width, 0);
+        current.x += width * textHScale;
+      }
+
+      ctx.restore();
+      this.processingType3 = null;
+    },
+    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
+    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+      this.ctx.rect(llx, lly, urx - llx, ury - lly);
+      this.clip();
+      this.endPath();
+    },
+    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+      var pattern;
+
+      if (IR[0] === "TilingPattern") {
+        var color = IR[1];
+        var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
+        var canvasGraphicsFactory = {
+          createCanvasGraphics: ctx => {
+            return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext);
+          }
+        };
+        pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+      } else {
+        pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
+      }
+
+      return pattern;
+    },
+    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
+      this.current.strokeColor = this.getColorN_Pattern(arguments);
+    },
+    setFillColorN: function CanvasGraphics_setFillColorN() {
+      this.current.fillColor = this.getColorN_Pattern(arguments);
+      this.current.patternFill = true;
+    },
+    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.strokeStyle = color;
+      this.current.strokeColor = color;
+    },
+    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.fillStyle = color;
+      this.current.fillColor = color;
+      this.current.patternFill = false;
+    },
+    shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      this.save();
+      var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
+      ctx.fillStyle = pattern.getPattern(ctx, this, true);
+      var inv = ctx.mozCurrentTransformInverse;
+
+      if (inv) {
+        var canvas = ctx.canvas;
+        var width = canvas.width;
+        var height = canvas.height;
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+      } else {
+        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+      }
+
+      this.restore();
+    },
+    beginInlineImage: function CanvasGraphics_beginInlineImage() {
+      (0, _util.unreachable)("Should not call beginInlineImage");
+    },
+    beginImageData: function CanvasGraphics_beginImageData() {
+      (0, _util.unreachable)("Should not call beginImageData");
+    },
+    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      this.baseTransformStack.push(this.baseTransform);
+
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform.apply(this, matrix);
+      }
+
+      this.baseTransform = this.ctx.mozCurrentTransform;
+
+      if (bbox) {
+        var width = bbox[2] - bbox[0];
+        var height = bbox[3] - bbox[1];
+        this.ctx.rect(bbox[0], bbox[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+    },
+    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.restore();
+      this.baseTransform = this.baseTransformStack.pop();
+    },
+    beginGroup: function CanvasGraphics_beginGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.save();
+      var currentCtx = this.ctx;
+
+      if (!group.isolated) {
+        (0, _util.info)("TODO: Support non-isolated groups.");
+      }
+
+      if (group.knockout) {
+        (0, _util.warn)("Knockout groups not supported.");
+      }
+
+      var currentTransform = currentCtx.mozCurrentTransform;
+
+      if (group.matrix) {
+        currentCtx.transform.apply(currentCtx, group.matrix);
+      }
+
+      if (!group.bbox) {
+        throw new Error("Bounding box is required.");
+      }
+
+      var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
+
+      var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+      bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+      var offsetX = Math.floor(bounds[0]);
+      var offsetY = Math.floor(bounds[1]);
+      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+      var scaleX = 1,
+          scaleY = 1;
+
+      if (drawnWidth > MAX_GROUP_SIZE) {
+        scaleX = drawnWidth / MAX_GROUP_SIZE;
+        drawnWidth = MAX_GROUP_SIZE;
+      }
+
+      if (drawnHeight > MAX_GROUP_SIZE) {
+        scaleY = drawnHeight / MAX_GROUP_SIZE;
+        drawnHeight = MAX_GROUP_SIZE;
+      }
+
+      var cacheId = "groupAt" + this.groupLevel;
+
+      if (group.smask) {
+        cacheId += "_smask_" + this.smaskCounter++ % 2;
+      }
+
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / scaleX, 1 / scaleY);
+      groupCtx.translate(-offsetX, -offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+
+      if (group.smask) {
+        this.smaskStack.push({
+          canvas: scratchCanvas.canvas,
+          context: groupCtx,
+          offsetX,
+          offsetY,
+          scaleX,
+          scaleY,
+          subtype: group.smask.subtype,
+          backdrop: group.smask.backdrop,
+          transferMap: group.smask.transferMap || null,
+          startTransformInverse: null
+        });
+      } else {
+        currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+        currentCtx.translate(offsetX, offsetY);
+        currentCtx.scale(scaleX, scaleY);
+      }
+
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+      this.current.activeSMask = null;
+    },
+    endGroup: function CanvasGraphics_endGroup(group) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.groupLevel--;
+      var groupCtx = this.ctx;
+      this.ctx = this.groupStack.pop();
+
+      if (this.ctx.imageSmoothingEnabled !== undefined) {
+        this.ctx.imageSmoothingEnabled = false;
+      } else {
+        this.ctx.mozImageSmoothingEnabled = false;
+      }
+
+      if (group.smask) {
+        this.tempSMask = this.smaskStack.pop();
+      } else {
+        this.ctx.drawImage(groupCtx.canvas, 0, 0);
+      }
+
+      this.restore();
+    },
+    beginAnnotations: function CanvasGraphics_beginAnnotations() {
+      this.save();
+
+      if (this.baseTransform) {
+        this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+      }
+    },
+    endAnnotations: function CanvasGraphics_endAnnotations() {
+      this.restore();
+    },
+    beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
+      this.save();
+      resetCtxToDefault(this.ctx);
+      this.current = new CanvasExtraState();
+
+      if (Array.isArray(rect) && rect.length === 4) {
+        var width = rect[2] - rect[0];
+        var height = rect[3] - rect[1];
+        this.ctx.rect(rect[0], rect[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+
+      this.transform.apply(this, transform);
+      this.transform.apply(this, matrix);
+    },
+    endAnnotation: function CanvasGraphics_endAnnotation() {
+      this.restore();
+    },
+    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var width = img.width,
+          height = img.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var glyph = this.processingType3;
+
+      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+          glyph.compiled = compileType3Glyph({
+            data: img.data,
+            width,
+            height
+          });
+        } else {
+          glyph.compiled = null;
+        }
+      }
+
+      if (glyph && glyph.compiled) {
+        glyph.compiled(ctx);
+        return;
+      }
+
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, img);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      this.paintInlineImageXObject(maskCanvas.canvas);
+    },
+
+    paintImageMaskXObjectRepeat(imgData, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, imgData);
+      maskCtx.globalCompositeOperation = "source-in";
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      var ctx = this.ctx;
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        ctx.save();
+        ctx.transform(scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+
+    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+
+      for (var i = 0, ii = images.length; i < ii; i++) {
+        var image = images[i];
+        var width = image.width,
+            height = image.height;
+        var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+        var maskCtx = maskCanvas.context;
+        maskCtx.save();
+        putBinaryImageMask(maskCtx, image);
+        maskCtx.globalCompositeOperation = "source-in";
+        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+        maskCtx.fillRect(0, 0, width, height);
+        maskCtx.restore();
+        ctx.save();
+        ctx.transform.apply(ctx, image.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    },
+    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)("Dependent image isn't ready yet");
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var map = [];
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        map.push({
+          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
+          x: 0,
+          y: 0,
+          w: width,
+          h: height
+        });
+      }
+
+      this.paintInlineImageXObjectGroup(imgData, map);
+    },
+    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var ctx = this.ctx;
+      this.save();
+      ctx.scale(1 / width, -1 / height);
+      var currentTransform = ctx.mozCurrentTransformInverse;
+      var a = currentTransform[0],
+          b = currentTransform[1];
+      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+      var c = currentTransform[2],
+          d = currentTransform[3];
+      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+      var imgToPaint, tmpCanvas;
+
+      if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
+        imgToPaint = imgData;
+      } else {
+        tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
+        var tmpCtx = tmpCanvas.context;
+        putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+        imgToPaint = tmpCanvas.canvas;
+      }
+
+      var paintWidth = width,
+          paintHeight = height;
+      var tmpCanvasId = "prescale1";
+
+      while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+        var newWidth = paintWidth,
+            newHeight = paintHeight;
+
+        if (widthScale > 2 && paintWidth > 1) {
+          newWidth = Math.ceil(paintWidth / 2);
+          widthScale /= paintWidth / newWidth;
+        }
+
+        if (heightScale > 2 && paintHeight > 1) {
+          newHeight = Math.ceil(paintHeight / 2);
+          heightScale /= paintHeight / newHeight;
+        }
+
+        tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
+        tmpCtx = tmpCanvas.context;
+        tmpCtx.clearRect(0, 0, newWidth, newHeight);
+        tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+        imgToPaint = tmpCanvas.canvas;
+        paintWidth = newWidth;
+        paintHeight = newHeight;
+        tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
+      }
+
+      ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+
+      if (this.imageLayer) {
+        var position = this.getCanvasPosition(0, -height);
+        this.imageLayer.appendImage({
+          imgData,
+          left: position[0],
+          top: position[1],
+          width: width / currentTransform[0],
+          height: height / currentTransform[3]
+        });
+      }
+
+      this.restore();
+    },
+    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      var ctx = this.ctx;
+      var w = imgData.width;
+      var h = imgData.height;
+      var tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
+      var tmpCtx = tmpCanvas.context;
+      putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+
+      for (var i = 0, ii = map.length; i < ii; i++) {
+        var entry = map[i];
+        ctx.save();
+        ctx.transform.apply(ctx, entry.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
+        if (this.imageLayer) {
+          var position = this.getCanvasPosition(entry.x, entry.y);
+          this.imageLayer.appendImage({
+            imgData,
+            left: position[0],
+            top: position[1],
+            width: w,
+            height: h
+          });
+        }
+
+        ctx.restore();
+      }
+    },
+    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
+      if (!this.contentVisible) {
+        return;
+      }
+
+      this.ctx.fillRect(0, 0, 1, 1);
+    },
+    markPoint: function CanvasGraphics_markPoint(tag) {},
+    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
+    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
+      this.markedContentStack.push({
+        visible: true
+      });
+    },
+    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
+      if (tag === "OC") {
+        this.markedContentStack.push({
+          visible: this.optionalContentConfig.isVisible(properties)
+        });
+      } else {
+        this.markedContentStack.push({
+          visible: true
+        });
+      }
+
+      this.contentVisible = this.isContentVisible();
+    },
+    endMarkedContent: function CanvasGraphics_endMarkedContent() {
+      this.markedContentStack.pop();
+      this.contentVisible = this.isContentVisible();
+    },
+    beginCompat: function CanvasGraphics_beginCompat() {},
+    endCompat: function CanvasGraphics_endCompat() {},
+    consumePath: function CanvasGraphics_consumePath() {
+      var ctx = this.ctx;
+
+      if (this.pendingClip) {
+        if (this.pendingClip === EO_CLIP) {
+          ctx.clip("evenodd");
+        } else {
+          ctx.clip();
+        }
+
+        this.pendingClip = null;
+      }
+
+      ctx.beginPath();
+    },
+
+    getSinglePixelWidth(scale) {
+      if (this._cachedGetSinglePixelWidth === null) {
+        const inverse = this.ctx.mozCurrentTransformInverse;
+        this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
+      }
+
+      return this._cachedGetSinglePixelWidth;
+    },
+
+    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+      var transform = this.ctx.mozCurrentTransform;
+      return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+    },
+    isContentVisible: function CanvasGraphics_isContentVisible() {
+      for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
+        if (!this.markedContentStack[i].visible) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+  };
+
+  for (var op in _util.OPS) {
+    CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+  }
+
+  return CanvasGraphics;
+}();
+
+exports.CanvasGraphics = CanvasGraphics;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/content_disposition.js b/node_modules/pdfjs-dist/lib/display/content_disposition.js
new file mode 100644
index 00000000..e7bce7fd
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/content_disposition.js
@@ -0,0 +1,203 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
+
+function getFilenameFromContentDispositionHeader(contentDisposition) {
+  let needsEncodingFixup = true;
+  let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    let filename = rfc2616unquote(tmp);
+    filename = unescape(filename);
+    filename = rfc5987decode(filename);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  tmp = rfc2231getparam(contentDisposition);
+
+  if (tmp) {
+    const filename = rfc2047decode(tmp);
+    return fixupEncoding(filename);
+  }
+
+  tmp = toParamRegExp("filename", "i").exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    let filename = rfc2616unquote(tmp);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  function toParamRegExp(attributePattern, flags) {
+    return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
+  }
+
+  function textdecode(encoding, value) {
+    if (encoding) {
+      if (!/^[\x00-\xFF]+$/.test(value)) {
+        return value;
+      }
+
+      try {
+        const decoder = new TextDecoder(encoding, {
+          fatal: true
+        });
+        const bytes = Array.from(value, function (ch) {
+          return ch.charCodeAt(0) & 0xff;
+        });
+        value = decoder.decode(new Uint8Array(bytes));
+        needsEncodingFixup = false;
+      } catch (e) {
+        if (/^utf-?8$/i.test(encoding)) {
+          try {
+            value = decodeURIComponent(escape(value));
+            needsEncodingFixup = false;
+          } catch (err) {}
+        }
+      }
+    }
+
+    return value;
+  }
+
+  function fixupEncoding(value) {
+    if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
+      value = textdecode("utf-8", value);
+
+      if (needsEncodingFixup) {
+        value = textdecode("iso-8859-1", value);
+      }
+    }
+
+    return value;
+  }
+
+  function rfc2231getparam(contentDispositionStr) {
+    const matches = [];
+    let match;
+    const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
+
+    while ((match = iter.exec(contentDispositionStr)) !== null) {
+      let [, n, quot, part] = match;
+      n = parseInt(n, 10);
+
+      if (n in matches) {
+        if (n === 0) {
+          break;
+        }
+
+        continue;
+      }
+
+      matches[n] = [quot, part];
+    }
+
+    const parts = [];
+
+    for (let n = 0; n < matches.length; ++n) {
+      if (!(n in matches)) {
+        break;
+      }
+
+      let [quot, part] = matches[n];
+      part = rfc2616unquote(part);
+
+      if (quot) {
+        part = unescape(part);
+
+        if (n === 0) {
+          part = rfc5987decode(part);
+        }
+      }
+
+      parts.push(part);
+    }
+
+    return parts.join("");
+  }
+
+  function rfc2616unquote(value) {
+    if (value.startsWith('"')) {
+      const parts = value.slice(1).split('\\"');
+
+      for (let i = 0; i < parts.length; ++i) {
+        const quotindex = parts[i].indexOf('"');
+
+        if (quotindex !== -1) {
+          parts[i] = parts[i].slice(0, quotindex);
+          parts.length = i + 1;
+        }
+
+        parts[i] = parts[i].replace(/\\(.)/g, "$1");
+      }
+
+      value = parts.join('"');
+    }
+
+    return value;
+  }
+
+  function rfc5987decode(extvalue) {
+    const encodingend = extvalue.indexOf("'");
+
+    if (encodingend === -1) {
+      return extvalue;
+    }
+
+    const encoding = extvalue.slice(0, encodingend);
+    const langvalue = extvalue.slice(encodingend + 1);
+    const value = langvalue.replace(/^[^']*'/, "");
+    return textdecode(encoding, value);
+  }
+
+  function rfc2047decode(value) {
+    if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
+      return value;
+    }
+
+    return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
+      if (encoding === "q" || encoding === "Q") {
+        text = text.replace(/_/g, " ");
+        text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
+          return String.fromCharCode(parseInt(hex, 16));
+        });
+        return textdecode(charset, text);
+      }
+
+      try {
+        text = atob(text);
+      } catch (e) {}
+
+      return textdecode(charset, text);
+    });
+  }
+
+  return "";
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/display_utils.js b/node_modules/pdfjs-dist/lib/display/display_utils.js
new file mode 100644
index 00000000..42a74e26
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/display_utils.js
@@ -0,0 +1,552 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.addLinkAttributes = addLinkAttributes;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.isFetchSupported = isFetchSupported;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+exports.deprecated = deprecated;
+exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.BaseCMapReaderFactory = exports.DOMCanvasFactory = exports.BaseCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
+
+var _util = require("../shared/util.js");
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
+const SVG_NS = "http://www.w3.org/2000/svg";
+
+class BaseCanvasFactory {
+  constructor() {
+    if (this.constructor === BaseCanvasFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
+    }
+  }
+
+  create(width, height) {
+    (0, _util.unreachable)("Abstract method `create` called.");
+  }
+
+  reset(canvasAndContext, width, height) {
+    if (!canvasAndContext.canvas) {
+      throw new Error("Canvas is not specified");
+    }
+
+    if (width <= 0 || height <= 0) {
+      throw new Error("Invalid canvas size");
+    }
+
+    canvasAndContext.canvas.width = width;
+    canvasAndContext.canvas.height = height;
+  }
+
+  destroy(canvasAndContext) {
+    if (!canvasAndContext.canvas) {
+      throw new Error("Canvas is not specified");
+    }
+
+    canvasAndContext.canvas.width = 0;
+    canvasAndContext.canvas.height = 0;
+    canvasAndContext.canvas = null;
+    canvasAndContext.context = null;
+  }
+
+}
+
+exports.BaseCanvasFactory = BaseCanvasFactory;
+
+class DOMCanvasFactory extends BaseCanvasFactory {
+  constructor({
+    ownerDocument = globalThis.document
+  } = {}) {
+    super();
+    this._document = ownerDocument;
+  }
+
+  create(width, height) {
+    if (width <= 0 || height <= 0) {
+      throw new Error("Invalid canvas size");
+    }
+
+    const canvas = this._document.createElement("canvas");
+
+    const context = canvas.getContext("2d");
+    canvas.width = width;
+    canvas.height = height;
+    return {
+      canvas,
+      context
+    };
+  }
+
+}
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+class BaseCMapReaderFactory {
+  constructor({
+    baseUrl = null,
+    isCompressed = false
+  }) {
+    if (this.constructor === BaseCMapReaderFactory) {
+      (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
+    }
+
+    this.baseUrl = baseUrl;
+    this.isCompressed = isCompressed;
+  }
+
+  async fetch({
+    name
+  }) {
+    if (!this.baseUrl) {
+      throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
+    }
+
+    if (!name) {
+      throw new Error("CMap name must be specified.");
+    }
+
+    const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
+    const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+    return this._fetchData(url, compressionType).catch(reason => {
+      throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
+    });
+  }
+
+  _fetchData(url, compressionType) {
+    (0, _util.unreachable)("Abstract method `_fetchData` called.");
+  }
+
+}
+
+exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
+
+class DOMCMapReaderFactory extends BaseCMapReaderFactory {
+  _fetchData(url, compressionType) {
+    if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) {
+      return fetch(url).then(async response => {
+        if (!response.ok) {
+          throw new Error(response.statusText);
+        }
+
+        let cMapData;
+
+        if (this.isCompressed) {
+          cMapData = new Uint8Array(await response.arrayBuffer());
+        } else {
+          cMapData = (0, _util.stringToBytes)(await response.text());
+        }
+
+        return {
+          cMapData,
+          compressionType
+        };
+      });
+    }
+
+    return new Promise((resolve, reject) => {
+      const request = new XMLHttpRequest();
+      request.open("GET", url, true);
+
+      if (this.isCompressed) {
+        request.responseType = "arraybuffer";
+      }
+
+      request.onreadystatechange = () => {
+        if (request.readyState !== XMLHttpRequest.DONE) {
+          return;
+        }
+
+        if (request.status === 200 || request.status === 0) {
+          let cMapData;
+
+          if (this.isCompressed && request.response) {
+            cMapData = new Uint8Array(request.response);
+          } else if (!this.isCompressed && request.responseText) {
+            cMapData = (0, _util.stringToBytes)(request.responseText);
+          }
+
+          if (cMapData) {
+            resolve({
+              cMapData,
+              compressionType
+            });
+            return;
+          }
+        }
+
+        reject(new Error(request.statusText));
+      };
+
+      request.send(null);
+    });
+  }
+
+}
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+class DOMSVGFactory {
+  create(width, height) {
+    (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
+    const svg = document.createElementNS(SVG_NS, "svg:svg");
+    svg.setAttribute("version", "1.1");
+    svg.setAttribute("width", width + "px");
+    svg.setAttribute("height", height + "px");
+    svg.setAttribute("preserveAspectRatio", "none");
+    svg.setAttribute("viewBox", "0 0 " + width + " " + height);
+    return svg;
+  }
+
+  createElement(type) {
+    (0, _util.assert)(typeof type === "string", "Invalid SVG element type");
+    return document.createElementNS(SVG_NS, type);
+  }
+
+}
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+class PageViewport {
+  constructor({
+    viewBox,
+    scale,
+    rotation,
+    offsetX = 0,
+    offsetY = 0,
+    dontFlip = false
+  }) {
+    this.viewBox = viewBox;
+    this.scale = scale;
+    this.rotation = rotation;
+    this.offsetX = offsetX;
+    this.offsetY = offsetY;
+    const centerX = (viewBox[2] + viewBox[0]) / 2;
+    const centerY = (viewBox[3] + viewBox[1]) / 2;
+    let rotateA, rotateB, rotateC, rotateD;
+    rotation = rotation % 360;
+    rotation = rotation < 0 ? rotation + 360 : rotation;
+
+    switch (rotation) {
+      case 180:
+        rotateA = -1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = 1;
+        break;
+
+      case 90:
+        rotateA = 0;
+        rotateB = 1;
+        rotateC = 1;
+        rotateD = 0;
+        break;
+
+      case 270:
+        rotateA = 0;
+        rotateB = -1;
+        rotateC = -1;
+        rotateD = 0;
+        break;
+
+      case 0:
+        rotateA = 1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = -1;
+        break;
+
+      default:
+        throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
+    }
+
+    if (dontFlip) {
+      rotateC = -rotateC;
+      rotateD = -rotateD;
+    }
+
+    let offsetCanvasX, offsetCanvasY;
+    let width, height;
+
+    if (rotateA === 0) {
+      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+      width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+      height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+    } else {
+      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+      width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+      height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+    }
+
+    this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
+    this.width = width;
+    this.height = height;
+  }
+
+  clone({
+    scale = this.scale,
+    rotation = this.rotation,
+    offsetX = this.offsetX,
+    offsetY = this.offsetY,
+    dontFlip = false
+  } = {}) {
+    return new PageViewport({
+      viewBox: this.viewBox.slice(),
+      scale,
+      rotation,
+      offsetX,
+      offsetY,
+      dontFlip
+    });
+  }
+
+  convertToViewportPoint(x, y) {
+    return _util.Util.applyTransform([x, y], this.transform);
+  }
+
+  convertToViewportRectangle(rect) {
+    const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+    const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+    return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+  }
+
+  convertToPdfPoint(x, y) {
+    return _util.Util.applyInverseTransform([x, y], this.transform);
+  }
+
+}
+
+exports.PageViewport = PageViewport;
+
+class RenderingCancelledException extends _util.BaseException {
+  constructor(msg, type) {
+    super(msg);
+    this.type = type;
+  }
+
+}
+
+exports.RenderingCancelledException = RenderingCancelledException;
+const LinkTarget = {
+  NONE: 0,
+  SELF: 1,
+  BLANK: 2,
+  PARENT: 3,
+  TOP: 4
+};
+exports.LinkTarget = LinkTarget;
+
+function addLinkAttributes(link, {
+  url,
+  target,
+  rel,
+  enabled = true
+} = {}) {
+  (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
+  const urlNullRemoved = (0, _util.removeNullCharacters)(url);
+
+  if (enabled) {
+    link.href = link.title = urlNullRemoved;
+  } else {
+    link.href = "";
+    link.title = `Disabled: ${urlNullRemoved}`;
+
+    link.onclick = () => {
+      return false;
+    };
+  }
+
+  let targetStr = "";
+
+  switch (target) {
+    case LinkTarget.NONE:
+      break;
+
+    case LinkTarget.SELF:
+      targetStr = "_self";
+      break;
+
+    case LinkTarget.BLANK:
+      targetStr = "_blank";
+      break;
+
+    case LinkTarget.PARENT:
+      targetStr = "_parent";
+      break;
+
+    case LinkTarget.TOP:
+      targetStr = "_top";
+      break;
+  }
+
+  link.target = targetStr;
+  link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+}
+
+function getFilenameFromUrl(url) {
+  const anchor = url.indexOf("#");
+  const query = url.indexOf("?");
+  const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf("/", end) + 1, end);
+}
+
+class StatTimer {
+  constructor() {
+    this.started = Object.create(null);
+    this.times = [];
+  }
+
+  time(name) {
+    if (name in this.started) {
+      (0, _util.warn)(`Timer is already running for ${name}`);
+    }
+
+    this.started[name] = Date.now();
+  }
+
+  timeEnd(name) {
+    if (!(name in this.started)) {
+      (0, _util.warn)(`Timer has not been started for ${name}`);
+    }
+
+    this.times.push({
+      name,
+      start: this.started[name],
+      end: Date.now()
+    });
+    delete this.started[name];
+  }
+
+  toString() {
+    const outBuf = [];
+    let longest = 0;
+
+    for (const time of this.times) {
+      const name = time.name;
+
+      if (name.length > longest) {
+        longest = name.length;
+      }
+    }
+
+    for (const time of this.times) {
+      const duration = time.end - time.start;
+      outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
+    }
+
+    return outBuf.join("");
+  }
+
+}
+
+exports.StatTimer = StatTimer;
+
+function isFetchSupported() {
+  return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
+}
+
+function isValidFetchUrl(url, baseUrl) {
+  try {
+    const {
+      protocol
+    } = baseUrl ? new URL(url, baseUrl) : new URL(url);
+    return protocol === "http:" || protocol === "https:";
+  } catch (ex) {
+    return false;
+  }
+}
+
+function loadScript(src) {
+  return new Promise((resolve, reject) => {
+    const script = document.createElement("script");
+    script.src = src;
+    script.onload = resolve;
+
+    script.onerror = function () {
+      reject(new Error(`Cannot load script at: ${script.src}`));
+    };
+
+    (document.head || document.documentElement).appendChild(script);
+  });
+}
+
+function deprecated(details) {
+  console.log("Deprecated API usage: " + details);
+}
+
+let pdfDateStringRegex;
+
+class PDFDateString {
+  static toDateObject(input) {
+    if (!input || !(0, _util.isString)(input)) {
+      return null;
+    }
+
+    if (!pdfDateStringRegex) {
+      pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
+    }
+
+    const matches = pdfDateStringRegex.exec(input);
+
+    if (!matches) {
+      return null;
+    }
+
+    const year = parseInt(matches[1], 10);
+    let month = parseInt(matches[2], 10);
+    month = month >= 1 && month <= 12 ? month - 1 : 0;
+    let day = parseInt(matches[3], 10);
+    day = day >= 1 && day <= 31 ? day : 1;
+    let hour = parseInt(matches[4], 10);
+    hour = hour >= 0 && hour <= 23 ? hour : 0;
+    let minute = parseInt(matches[5], 10);
+    minute = minute >= 0 && minute <= 59 ? minute : 0;
+    let second = parseInt(matches[6], 10);
+    second = second >= 0 && second <= 59 ? second : 0;
+    const universalTimeRelation = matches[7] || "Z";
+    let offsetHour = parseInt(matches[8], 10);
+    offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
+    let offsetMinute = parseInt(matches[9], 10) || 0;
+    offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
+
+    if (universalTimeRelation === "-") {
+      hour += offsetHour;
+      minute += offsetMinute;
+    } else if (universalTimeRelation === "+") {
+      hour -= offsetHour;
+      minute -= offsetMinute;
+    }
+
+    return new Date(Date.UTC(year, month, day, hour, minute, second));
+  }
+
+}
+
+exports.PDFDateString = PDFDateString;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/fetch_stream.js b/node_modules/pdfjs-dist/lib/display/fetch_stream.js
new file mode 100644
index 00000000..b3a6b944
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/fetch_stream.js
@@ -0,0 +1,309 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFetchStream = void 0;
+
+var _util = require("../shared/util.js");
+
+var _network_utils = require("./network_utils.js");
+
+;
+
+function createFetchOptions(headers, withCredentials, abortController) {
+  return {
+    method: "GET",
+    headers,
+    signal: abortController && abortController.signal,
+    mode: "cors",
+    credentials: withCredentials ? "include" : "same-origin",
+    redirect: "follow"
+  };
+}
+
+function createHeaders(httpHeaders) {
+  const headers = new Headers();
+
+  for (const property in httpHeaders) {
+    const value = httpHeaders[property];
+
+    if (typeof value === "undefined") {
+      continue;
+    }
+
+    headers.append(property, value);
+  }
+
+  return headers;
+}
+
+class PDFFetchStream {
+  constructor(source) {
+    this.source = source;
+    this.isHttp = /^https?:/i.test(source.url);
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFFetchStreamReader(this);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const reader = new PDFFetchStreamRangeReader(this, begin, end);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFFetchStream = PDFFetchStream;
+
+class PDFFetchStreamReader {
+  constructor(stream) {
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    this._filename = null;
+    const source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._contentLength = source.length;
+    this._headersCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._headers = createHeaders(this._stream.httpHeaders);
+    const url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      this._reader = response.body.getReader();
+
+      this._headersCapability.resolve();
+
+      const getResponseHeader = name => {
+        return response.headers.get(name);
+      };
+
+      const {
+        allowRangeRequests,
+        suggestedLength
+      } = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader,
+        isHttp: this._stream.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      });
+      this._isRangeSupported = allowRangeRequests;
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (!this._isStreamingSupported && this._isRangeSupported) {
+        this.cancel(new _util.AbortException("Streaming is disabled."));
+      }
+    }).catch(this._headersCapability.reject);
+    this.onProgress = null;
+  }
+
+  get headersReady() {
+    return this._headersCapability.promise;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._headersCapability.promise;
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value,
+        done
+      };
+    }
+
+    this._loaded += value.byteLength;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded,
+        total: this._contentLength
+      });
+    }
+
+    const buffer = new Uint8Array(value).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (this._reader) {
+      this._reader.cancel(reason);
+    }
+
+    if (this._abortController) {
+      this._abortController.abort();
+    }
+  }
+
+}
+
+class PDFFetchStreamRangeReader {
+  constructor(stream, begin, end) {
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    const source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._isStreamingSupported = !source.disableStream;
+
+    if (typeof AbortController !== "undefined") {
+      this._abortController = new AbortController();
+    }
+
+    this._headers = createHeaders(this._stream.httpHeaders);
+
+    this._headers.append("Range", `bytes=${begin}-${end - 1}`);
+
+    const url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      this._readCapability.resolve();
+
+      this._reader = response.body.getReader();
+    }).catch(reason => {
+      if (reason && reason.name === "AbortError") {
+        return;
+      }
+
+      throw reason;
+    });
+    this.onProgress = null;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+    const {
+      value,
+      done
+    } = await this._reader.read();
+
+    if (done) {
+      return {
+        value,
+        done
+      };
+    }
+
+    this._loaded += value.byteLength;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded
+      });
+    }
+
+    const buffer = new Uint8Array(value).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (this._reader) {
+      this._reader.cancel(reason);
+    }
+
+    if (this._abortController) {
+      this._abortController.abort();
+    }
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/font_loader.js b/node_modules/pdfjs-dist/lib/display/font_loader.js
new file mode 100644
index 00000000..bc718e3d
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/font_loader.js
@@ -0,0 +1,413 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontLoader = exports.FontFaceObject = void 0;
+
+var _util = require("../shared/util.js");
+
+class BaseFontLoader {
+  constructor({
+    docId,
+    onUnsupportedFeature,
+    ownerDocument = globalThis.document
+  }) {
+    if (this.constructor === BaseFontLoader) {
+      (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
+    }
+
+    this.docId = docId;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this._document = ownerDocument;
+    this.nativeFontFaces = [];
+    this.styleElement = null;
+  }
+
+  addNativeFontFace(nativeFontFace) {
+    this.nativeFontFaces.push(nativeFontFace);
+
+    this._document.fonts.add(nativeFontFace);
+  }
+
+  insertRule(rule) {
+    let styleElement = this.styleElement;
+
+    if (!styleElement) {
+      styleElement = this.styleElement = this._document.createElement("style");
+      styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
+
+      this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
+    }
+
+    const styleSheet = styleElement.sheet;
+    styleSheet.insertRule(rule, styleSheet.cssRules.length);
+  }
+
+  clear() {
+    this.nativeFontFaces.forEach(nativeFontFace => {
+      this._document.fonts.delete(nativeFontFace);
+    });
+    this.nativeFontFaces.length = 0;
+
+    if (this.styleElement) {
+      this.styleElement.remove();
+      this.styleElement = null;
+    }
+  }
+
+  async bind(font) {
+    if (font.attached || font.missingFile) {
+      return;
+    }
+
+    font.attached = true;
+
+    if (this.isFontLoadingAPISupported) {
+      const nativeFontFace = font.createNativeFontFace();
+
+      if (nativeFontFace) {
+        this.addNativeFontFace(nativeFontFace);
+
+        try {
+          await nativeFontFace.loaded;
+        } catch (ex) {
+          this._onUnsupportedFeature({
+            featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
+          });
+
+          (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
+          font.disableFontFace = true;
+          throw ex;
+        }
+      }
+
+      return;
+    }
+
+    const rule = font.createFontFaceRule();
+
+    if (rule) {
+      this.insertRule(rule);
+
+      if (this.isSyncFontLoadingSupported) {
+        return;
+      }
+
+      await new Promise(resolve => {
+        const request = this._queueLoadingCallback(resolve);
+
+        this._prepareFontLoadEvent([rule], [font], request);
+      });
+    }
+  }
+
+  _queueLoadingCallback(callback) {
+    (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
+  }
+
+  get isFontLoadingAPISupported() {
+    const supported = typeof this._document !== "undefined" && !!this._document.fonts;
+    return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported);
+  }
+
+  get isSyncFontLoadingSupported() {
+    (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
+  }
+
+  get _loadTestFont() {
+    (0, _util.unreachable)("Abstract method `_loadTestFont`.");
+  }
+
+  _prepareFontLoadEvent(rules, fontsToLoad, request) {
+    (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
+  }
+
+}
+
+let FontLoader;
+exports.FontLoader = FontLoader;
+{
+  exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
+    constructor(params) {
+      super(params);
+      this.loadingContext = {
+        requests: [],
+        nextRequestId: 0
+      };
+      this.loadTestFontId = 0;
+    }
+
+    get isSyncFontLoadingSupported() {
+      let supported = false;
+
+      if (typeof navigator === "undefined") {
+        supported = true;
+      } else {
+        const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+        if (m && m[1] >= 14) {
+          supported = true;
+        }
+      }
+
+      return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
+    }
+
+    _queueLoadingCallback(callback) {
+      function completeRequest() {
+        (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
+        request.done = true;
+
+        while (context.requests.length > 0 && context.requests[0].done) {
+          const otherRequest = context.requests.shift();
+          setTimeout(otherRequest.callback, 0);
+        }
+      }
+
+      const context = this.loadingContext;
+      const request = {
+        id: `pdfjs-font-loading-${context.nextRequestId++}`,
+        done: false,
+        complete: completeRequest,
+        callback
+      };
+      context.requests.push(request);
+      return request;
+    }
+
+    get _loadTestFont() {
+      const getLoadTestFont = function () {
+        return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
+      };
+
+      return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
+    }
+
+    _prepareFontLoadEvent(rules, fonts, request) {
+      function int32(data, offset) {
+        return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
+      }
+
+      function spliceString(s, offset, remove, insert) {
+        const chunk1 = s.substring(0, offset);
+        const chunk2 = s.substring(offset + remove);
+        return chunk1 + insert + chunk2;
+      }
+
+      let i, ii;
+
+      const canvas = this._document.createElement("canvas");
+
+      canvas.width = 1;
+      canvas.height = 1;
+      const ctx = canvas.getContext("2d");
+      let called = 0;
+
+      function isFontReady(name, callback) {
+        called++;
+
+        if (called > 30) {
+          (0, _util.warn)("Load test font never loaded.");
+          callback();
+          return;
+        }
+
+        ctx.font = "30px " + name;
+        ctx.fillText(".", 0, 20);
+        const imageData = ctx.getImageData(0, 0, 1, 1);
+
+        if (imageData.data[3] > 0) {
+          callback();
+          return;
+        }
+
+        setTimeout(isFontReady.bind(null, name, callback));
+      }
+
+      const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
+      let data = this._loadTestFont;
+      const COMMENT_OFFSET = 976;
+      data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
+      const CFF_CHECKSUM_OFFSET = 16;
+      const XXXX_VALUE = 0x58585858;
+      let checksum = int32(data, CFF_CHECKSUM_OFFSET);
+
+      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+        checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
+      }
+
+      if (i < loadTestFontId.length) {
+        checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
+      }
+
+      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
+      const url = `url(data:font/opentype;base64,${btoa(data)});`;
+      const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
+      this.insertRule(rule);
+      const names = [];
+
+      for (i = 0, ii = fonts.length; i < ii; i++) {
+        names.push(fonts[i].loadedName);
+      }
+
+      names.push(loadTestFontId);
+
+      const div = this._document.createElement("div");
+
+      div.style.visibility = "hidden";
+      div.style.width = div.style.height = "10px";
+      div.style.position = "absolute";
+      div.style.top = div.style.left = "0px";
+
+      for (i = 0, ii = names.length; i < ii; ++i) {
+        const span = this._document.createElement("span");
+
+        span.textContent = "Hi";
+        span.style.fontFamily = names[i];
+        div.appendChild(span);
+      }
+
+      this._document.body.appendChild(div);
+
+      isFontReady(loadTestFontId, () => {
+        this._document.body.removeChild(div);
+
+        request.complete();
+      });
+    }
+
+  };
+}
+
+class FontFaceObject {
+  constructor(translatedData, {
+    isEvalSupported = true,
+    disableFontFace = false,
+    ignoreErrors = false,
+    onUnsupportedFeature = null,
+    fontRegistry = null
+  }) {
+    this.compiledGlyphs = Object.create(null);
+
+    for (const i in translatedData) {
+      this[i] = translatedData[i];
+    }
+
+    this.isEvalSupported = isEvalSupported !== false;
+    this.disableFontFace = disableFontFace === true;
+    this.ignoreErrors = ignoreErrors === true;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this.fontRegistry = fontRegistry;
+  }
+
+  createNativeFontFace() {
+    if (!this.data || this.disableFontFace) {
+      return null;
+    }
+
+    const nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+    if (this.fontRegistry) {
+      this.fontRegistry.registerFont(this);
+    }
+
+    return nativeFontFace;
+  }
+
+  createFontFaceRule() {
+    if (!this.data || this.disableFontFace) {
+      return null;
+    }
+
+    const data = (0, _util.bytesToString)(new Uint8Array(this.data));
+    const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
+    const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
+
+    if (this.fontRegistry) {
+      this.fontRegistry.registerFont(this, url);
+    }
+
+    return rule;
+  }
+
+  getPathGenerator(objs, character) {
+    if (this.compiledGlyphs[character] !== undefined) {
+      return this.compiledGlyphs[character];
+    }
+
+    let cmds, current;
+
+    try {
+      cmds = objs.get(this.loadedName + "_path_" + character);
+    } catch (ex) {
+      if (!this.ignoreErrors) {
+        throw ex;
+      }
+
+      if (this._onUnsupportedFeature) {
+        this._onUnsupportedFeature({
+          featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
+        });
+      }
+
+      (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
+      return this.compiledGlyphs[character] = function (c, size) {};
+    }
+
+    if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
+      let args,
+          js = "";
+
+      for (let i = 0, ii = cmds.length; i < ii; i++) {
+        current = cmds[i];
+
+        if (current.args !== undefined) {
+          args = current.args.join(",");
+        } else {
+          args = "";
+        }
+
+        js += "c." + current.cmd + "(" + args + ");\n";
+      }
+
+      return this.compiledGlyphs[character] = new Function("c", "size", js);
+    }
+
+    return this.compiledGlyphs[character] = function (c, size) {
+      for (let i = 0, ii = cmds.length; i < ii; i++) {
+        current = cmds[i];
+
+        if (current.cmd === "scale") {
+          current.args = [size, -size];
+        }
+
+        c[current.cmd].apply(c, current.args);
+      }
+    };
+  }
+
+}
+
+exports.FontFaceObject = FontFaceObject;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/metadata.js b/node_modules/pdfjs-dist/lib/display/metadata.js
new file mode 100644
index 00000000..a3072db8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/metadata.js
@@ -0,0 +1,137 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Metadata = void 0;
+
+var _util = require("../shared/util.js");
+
+var _xml_parser = require("./xml_parser.js");
+
+class Metadata {
+  constructor(data) {
+    (0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
+    data = this._repair(data);
+    const parser = new _xml_parser.SimpleXMLParser();
+    const xmlDocument = parser.parseFromString(data);
+    this._metadataMap = new Map();
+
+    if (xmlDocument) {
+      this._parse(xmlDocument);
+    }
+  }
+
+  _repair(data) {
+    return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+      const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
+        return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+      }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
+        switch (name) {
+          case "amp":
+            return "&";
+
+          case "apos":
+            return "'";
+
+          case "gt":
+            return ">";
+
+          case "lt":
+            return "<";
+
+          case "quot":
+            return '"';
+        }
+
+        throw new Error(`_repair: ${name} isn't defined.`);
+      });
+      let chars = "";
+
+      for (let i = 0, ii = bytes.length; i < ii; i += 2) {
+        const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+
+        if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
+          chars += String.fromCharCode(code);
+        } else {
+          chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";";
+        }
+      }
+
+      return ">" + chars;
+    });
+  }
+
+  _parse(xmlDocument) {
+    let rdf = xmlDocument.documentElement;
+
+    if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+      rdf = rdf.firstChild;
+
+      while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+        rdf = rdf.nextSibling;
+      }
+    }
+
+    const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+
+    if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
+      return;
+    }
+
+    const children = rdf.childNodes;
+
+    for (let i = 0, ii = children.length; i < ii; i++) {
+      const desc = children[i];
+
+      if (desc.nodeName.toLowerCase() !== "rdf:description") {
+        continue;
+      }
+
+      for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {
+        if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
+          const entry = desc.childNodes[j];
+          const name = entry.nodeName.toLowerCase();
+
+          this._metadataMap.set(name, entry.textContent.trim());
+        }
+      }
+    }
+  }
+
+  get(name) {
+    return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
+  }
+
+  getAll() {
+    return Object.fromEntries(this._metadataMap);
+  }
+
+  has(name) {
+    return this._metadataMap.has(name);
+  }
+
+}
+
+exports.Metadata = Metadata;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/network.js b/node_modules/pdfjs-dist/lib/display/network.js
new file mode 100644
index 00000000..8831e507
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/network.js
@@ -0,0 +1,558 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNetworkStream = void 0;
+
+var _util = require("../shared/util.js");
+
+var _network_utils = require("./network_utils.js");
+
+;
+const OK_RESPONSE = 200;
+const PARTIAL_CONTENT_RESPONSE = 206;
+
+function getArrayBuffer(xhr) {
+  const data = xhr.response;
+
+  if (typeof data !== "string") {
+    return data;
+  }
+
+  const array = (0, _util.stringToBytes)(data);
+  return array.buffer;
+}
+
+class NetworkManager {
+  constructor(url, args) {
+    this.url = url;
+    args = args || {};
+    this.isHttp = /^https?:/i.test(url);
+    this.httpHeaders = this.isHttp && args.httpHeaders || {};
+    this.withCredentials = args.withCredentials || false;
+
+    this.getXhr = args.getXhr || function NetworkManager_getXhr() {
+      return new XMLHttpRequest();
+    };
+
+    this.currXhrId = 0;
+    this.pendingRequests = Object.create(null);
+  }
+
+  requestRange(begin, end, listeners) {
+    const args = {
+      begin,
+      end
+    };
+
+    for (const prop in listeners) {
+      args[prop] = listeners[prop];
+    }
+
+    return this.request(args);
+  }
+
+  requestFull(listeners) {
+    return this.request(listeners);
+  }
+
+  request(args) {
+    const xhr = this.getXhr();
+    const xhrId = this.currXhrId++;
+    const pendingRequest = this.pendingRequests[xhrId] = {
+      xhr
+    };
+    xhr.open("GET", this.url);
+    xhr.withCredentials = this.withCredentials;
+
+    for (const property in this.httpHeaders) {
+      const value = this.httpHeaders[property];
+
+      if (typeof value === "undefined") {
+        continue;
+      }
+
+      xhr.setRequestHeader(property, value);
+    }
+
+    if (this.isHttp && "begin" in args && "end" in args) {
+      xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
+      pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
+    } else {
+      pendingRequest.expectedStatus = OK_RESPONSE;
+    }
+
+    xhr.responseType = "arraybuffer";
+
+    if (args.onError) {
+      xhr.onerror = function (evt) {
+        args.onError(xhr.status);
+      };
+    }
+
+    xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
+    xhr.onprogress = this.onProgress.bind(this, xhrId);
+    pendingRequest.onHeadersReceived = args.onHeadersReceived;
+    pendingRequest.onDone = args.onDone;
+    pendingRequest.onError = args.onError;
+    pendingRequest.onProgress = args.onProgress;
+    xhr.send(null);
+    return xhrId;
+  }
+
+  onProgress(xhrId, evt) {
+    const pendingRequest = this.pendingRequests[xhrId];
+
+    if (!pendingRequest) {
+      return;
+    }
+
+    if (pendingRequest.onProgress) {
+      pendingRequest.onProgress(evt);
+    }
+  }
+
+  onStateChange(xhrId, evt) {
+    const pendingRequest = this.pendingRequests[xhrId];
+
+    if (!pendingRequest) {
+      return;
+    }
+
+    const xhr = pendingRequest.xhr;
+
+    if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
+      pendingRequest.onHeadersReceived();
+      delete pendingRequest.onHeadersReceived;
+    }
+
+    if (xhr.readyState !== 4) {
+      return;
+    }
+
+    if (!(xhrId in this.pendingRequests)) {
+      return;
+    }
+
+    delete this.pendingRequests[xhrId];
+
+    if (xhr.status === 0 && this.isHttp) {
+      if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+
+      return;
+    }
+
+    const xhrStatus = xhr.status || OK_RESPONSE;
+    const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
+
+    if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
+      if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+
+      return;
+    }
+
+    const chunk = getArrayBuffer(xhr);
+
+    if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
+      const rangeHeader = xhr.getResponseHeader("Content-Range");
+      const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
+      pendingRequest.onDone({
+        begin: parseInt(matches[1], 10),
+        chunk
+      });
+    } else if (chunk) {
+      pendingRequest.onDone({
+        begin: 0,
+        chunk
+      });
+    } else if (pendingRequest.onError) {
+      pendingRequest.onError(xhr.status);
+    }
+  }
+
+  getRequestXhr(xhrId) {
+    return this.pendingRequests[xhrId].xhr;
+  }
+
+  isPendingRequest(xhrId) {
+    return xhrId in this.pendingRequests;
+  }
+
+  abortRequest(xhrId) {
+    const xhr = this.pendingRequests[xhrId].xhr;
+    delete this.pendingRequests[xhrId];
+    xhr.abort();
+  }
+
+}
+
+class PDFNetworkStream {
+  constructor(source) {
+    this._source = source;
+    this._manager = new NetworkManager(source.url, {
+      httpHeaders: source.httpHeaders,
+      withCredentials: source.withCredentials
+    });
+    this._rangeChunkSize = source.rangeChunkSize;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _onRangeRequestReaderClosed(reader) {
+    const i = this._rangeRequestReaders.indexOf(reader);
+
+    if (i >= 0) {
+      this._rangeRequestReaders.splice(i, 1);
+    }
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
+    this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(begin, end) {
+    const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
+    reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
+
+    this._rangeRequestReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFNetworkStream = PDFNetworkStream;
+
+class PDFNetworkStreamFullRequestReader {
+  constructor(manager, source) {
+    this._manager = manager;
+    const args = {
+      onHeadersReceived: this._onHeadersReceived.bind(this),
+      onDone: this._onDone.bind(this),
+      onError: this._onError.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._url = source.url;
+    this._fullRequestId = manager.requestFull(args);
+    this._headersReceivedCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._contentLength = source.length;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = false;
+    this._isRangeSupported = false;
+    this._cachedChunks = [];
+    this._requests = [];
+    this._done = false;
+    this._storedError = undefined;
+    this._filename = null;
+    this.onProgress = null;
+  }
+
+  _onHeadersReceived() {
+    const fullRequestXhrId = this._fullRequestId;
+
+    const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
+
+    const getResponseHeader = name => {
+      return fullRequestXhr.getResponseHeader(name);
+    };
+
+    const {
+      allowRangeRequests,
+      suggestedLength
+    } = (0, _network_utils.validateRangeRequestCapabilities)({
+      getResponseHeader,
+      isHttp: this._manager.isHttp,
+      rangeChunkSize: this._rangeChunkSize,
+      disableRange: this._disableRange
+    });
+
+    if (allowRangeRequests) {
+      this._isRangeSupported = true;
+    }
+
+    this._contentLength = suggestedLength || this._contentLength;
+    this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+    if (this._isRangeSupported) {
+      this._manager.abortRequest(fullRequestXhrId);
+    }
+
+    this._headersReceivedCapability.resolve();
+  }
+
+  _onDone(args) {
+    if (args) {
+      if (this._requests.length > 0) {
+        const requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: args.chunk,
+          done: false
+        });
+      } else {
+        this._cachedChunks.push(args.chunk);
+      }
+    }
+
+    this._done = true;
+
+    if (this._cachedChunks.length > 0) {
+      return;
+    }
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+  }
+
+  _onError(status) {
+    const url = this._url;
+    const exception = (0, _network_utils.createResponseStatusError)(status, url);
+    this._storedError = exception;
+
+    this._headersReceivedCapability.reject(exception);
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.reject(exception);
+    });
+
+    this._requests = [];
+    this._cachedChunks = [];
+  }
+
+  _onProgress(data) {
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: data.loaded,
+        total: data.lengthComputable ? data.total : this._contentLength
+      });
+    }
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get headersReady() {
+    return this._headersReceivedCapability.promise;
+  }
+
+  async read() {
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    if (this._cachedChunks.length > 0) {
+      const chunk = this._cachedChunks.shift();
+
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._headersReceivedCapability.reject(reason);
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    if (this._manager.isPendingRequest(this._fullRequestId)) {
+      this._manager.abortRequest(this._fullRequestId);
+    }
+
+    this._fullRequestReader = null;
+  }
+
+}
+
+class PDFNetworkStreamRangeRequestReader {
+  constructor(manager, begin, end) {
+    this._manager = manager;
+    const args = {
+      onDone: this._onDone.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._requestId = manager.requestRange(begin, end, args);
+    this._requests = [];
+    this._queuedChunk = null;
+    this._done = false;
+    this.onProgress = null;
+    this.onClosed = null;
+  }
+
+  _close() {
+    if (this.onClosed) {
+      this.onClosed(this);
+    }
+  }
+
+  _onDone(data) {
+    const chunk = data.chunk;
+
+    if (this._requests.length > 0) {
+      const requestCapability = this._requests.shift();
+
+      requestCapability.resolve({
+        value: chunk,
+        done: false
+      });
+    } else {
+      this._queuedChunk = chunk;
+    }
+
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    this._close();
+  }
+
+  _onProgress(evt) {
+    if (!this.isStreamingSupported && this.onProgress) {
+      this.onProgress({
+        loaded: evt.loaded
+      });
+    }
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    if (this._queuedChunk !== null) {
+      const chunk = this._queuedChunk;
+      this._queuedChunk = null;
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    if (this._manager.isPendingRequest(this._requestId)) {
+      this._manager.abortRequest(this._requestId);
+    }
+
+    this._close();
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/network_utils.js b/node_modules/pdfjs-dist/lib/display/network_utils.js
new file mode 100644
index 00000000..3dbd36e2
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/network_utils.js
@@ -0,0 +1,107 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createResponseStatusError = createResponseStatusError;
+exports.extractFilenameFromHeader = extractFilenameFromHeader;
+exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
+exports.validateResponseStatus = validateResponseStatus;
+
+var _util = require("../shared/util.js");
+
+var _content_disposition = require("./content_disposition.js");
+
+function validateRangeRequestCapabilities({
+  getResponseHeader,
+  isHttp,
+  rangeChunkSize,
+  disableRange
+}) {
+  (0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
+  const returnValues = {
+    allowRangeRequests: false,
+    suggestedLength: undefined
+  };
+  const length = parseInt(getResponseHeader("Content-Length"), 10);
+
+  if (!Number.isInteger(length)) {
+    return returnValues;
+  }
+
+  returnValues.suggestedLength = length;
+
+  if (length <= 2 * rangeChunkSize) {
+    return returnValues;
+  }
+
+  if (disableRange || !isHttp) {
+    return returnValues;
+  }
+
+  if (getResponseHeader("Accept-Ranges") !== "bytes") {
+    return returnValues;
+  }
+
+  const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
+
+  if (contentEncoding !== "identity") {
+    return returnValues;
+  }
+
+  returnValues.allowRangeRequests = true;
+  return returnValues;
+}
+
+function extractFilenameFromHeader(getResponseHeader) {
+  const contentDisposition = getResponseHeader("Content-Disposition");
+
+  if (contentDisposition) {
+    let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
+
+    if (filename.includes("%")) {
+      try {
+        filename = decodeURIComponent(filename);
+      } catch (ex) {}
+    }
+
+    if (/\.pdf$/i.test(filename)) {
+      return filename;
+    }
+  }
+
+  return null;
+}
+
+function createResponseStatusError(status, url) {
+  if (status === 404 || status === 0 && url.startsWith("file:")) {
+    return new _util.MissingPDFException('Missing PDF "' + url + '".');
+  }
+
+  return new _util.UnexpectedResponseException("Unexpected server response (" + status + ') while retrieving PDF "' + url + '".', status);
+}
+
+function validateResponseStatus(status) {
+  return status === 200 || status === 206;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/node_stream.js b/node_modules/pdfjs-dist/lib/display/node_stream.js
new file mode 100644
index 00000000..896c15d1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/node_stream.js
@@ -0,0 +1,484 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNodeStream = void 0;
+
+var _util = require("../shared/util.js");
+
+var _network_utils = require("./network_utils.js");
+
+;
+
+const fs = require("fs");
+
+const http = require("http");
+
+const https = require("https");
+
+const url = require("url");
+
+const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
+
+function parseUrl(sourceUrl) {
+  const parsedUrl = url.parse(sourceUrl);
+
+  if (parsedUrl.protocol === "file:" || parsedUrl.host) {
+    return parsedUrl;
+  }
+
+  if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
+    return url.parse(`file:///${sourceUrl}`);
+  }
+
+  if (!parsedUrl.host) {
+    parsedUrl.protocol = "file:";
+  }
+
+  return parsedUrl;
+}
+
+class PDFNodeStream {
+  constructor(source) {
+    this.source = source;
+    this.url = parseUrl(source.url);
+    this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
+    this.isFsUrl = this.url.protocol === "file:";
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
+    this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
+    return this._fullRequestReader;
+  }
+
+  getRangeReader(start, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
+
+    this._rangeRequestReaders.push(rangeReader);
+
+    return rangeReader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeRequestReaders.slice(0);
+
+    readers.forEach(function (reader) {
+      reader.cancel(reason);
+    });
+  }
+
+}
+
+exports.PDFNodeStream = PDFNodeStream;
+
+class BaseFullReader {
+  constructor(stream) {
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    const source = stream.source;
+    this._contentLength = source.length;
+    this._loaded = 0;
+    this._filename = null;
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._headersCapability = (0, _util.createPromiseCapability)();
+  }
+
+  get headersReady() {
+    return this._headersCapability.promise;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get contentLength() {
+    return this._contentLength;
+  }
+
+  get isRangeSupported() {
+    return this._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    const chunk = this._readableStream.read();
+
+    if (chunk === null) {
+      this._readCapability = (0, _util.createPromiseCapability)();
+      return this.read();
+    }
+
+    this._loaded += chunk.length;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded,
+        total: this._contentLength
+      });
+    }
+
+    const buffer = new Uint8Array(chunk).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (!this._readableStream) {
+      this._error(reason);
+
+      return;
+    }
+
+    this._readableStream.destroy(reason);
+  }
+
+  _error(reason) {
+    this._storedError = reason;
+
+    this._readCapability.resolve();
+  }
+
+  _setReadableStream(readableStream) {
+    this._readableStream = readableStream;
+    readableStream.on("readable", () => {
+      this._readCapability.resolve();
+    });
+    readableStream.on("end", () => {
+      readableStream.destroy();
+      this._done = true;
+
+      this._readCapability.resolve();
+    });
+    readableStream.on("error", reason => {
+      this._error(reason);
+    });
+
+    if (!this._isStreamingSupported && this._isRangeSupported) {
+      this._error(new _util.AbortException("streaming is disabled"));
+    }
+
+    if (this._storedError) {
+      this._readableStream.destroy(this._storedError);
+    }
+  }
+
+}
+
+class BaseRangeReader {
+  constructor(stream) {
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    this._loaded = 0;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    const source = stream.source;
+    this._isStreamingSupported = !source.disableStream;
+  }
+
+  get isStreamingSupported() {
+    return this._isStreamingSupported;
+  }
+
+  async read() {
+    await this._readCapability.promise;
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    if (this._storedError) {
+      throw this._storedError;
+    }
+
+    const chunk = this._readableStream.read();
+
+    if (chunk === null) {
+      this._readCapability = (0, _util.createPromiseCapability)();
+      return this.read();
+    }
+
+    this._loaded += chunk.length;
+
+    if (this.onProgress) {
+      this.onProgress({
+        loaded: this._loaded
+      });
+    }
+
+    const buffer = new Uint8Array(chunk).buffer;
+    return {
+      value: buffer,
+      done: false
+    };
+  }
+
+  cancel(reason) {
+    if (!this._readableStream) {
+      this._error(reason);
+
+      return;
+    }
+
+    this._readableStream.destroy(reason);
+  }
+
+  _error(reason) {
+    this._storedError = reason;
+
+    this._readCapability.resolve();
+  }
+
+  _setReadableStream(readableStream) {
+    this._readableStream = readableStream;
+    readableStream.on("readable", () => {
+      this._readCapability.resolve();
+    });
+    readableStream.on("end", () => {
+      readableStream.destroy();
+      this._done = true;
+
+      this._readCapability.resolve();
+    });
+    readableStream.on("error", reason => {
+      this._error(reason);
+    });
+
+    if (this._storedError) {
+      this._readableStream.destroy(this._storedError);
+    }
+  }
+
+}
+
+function createRequestOptions(parsedUrl, headers) {
+  return {
+    protocol: parsedUrl.protocol,
+    auth: parsedUrl.auth,
+    host: parsedUrl.hostname,
+    port: parsedUrl.port,
+    path: parsedUrl.path,
+    method: "GET",
+    headers
+  };
+}
+
+class PDFNodeStreamFullReader extends BaseFullReader {
+  constructor(stream) {
+    super(stream);
+
+    const handleResponse = response => {
+      if (response.statusCode === 404) {
+        const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+        this._storedError = error;
+
+        this._headersCapability.reject(error);
+
+        return;
+      }
+
+      this._headersCapability.resolve();
+
+      this._setReadableStream(response);
+
+      const getResponseHeader = name => {
+        return this._readableStream.headers[name.toLowerCase()];
+      };
+
+      const {
+        allowRangeRequests,
+        suggestedLength
+      } = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader,
+        isHttp: stream.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      });
+      this._isRangeSupported = allowRangeRequests;
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+    };
+
+    this._request = null;
+
+    if (this._url.protocol === "http:") {
+      this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+    } else {
+      this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+    }
+
+    this._request.on("error", reason => {
+      this._storedError = reason;
+
+      this._headersCapability.reject(reason);
+    });
+
+    this._request.end();
+  }
+
+}
+
+class PDFNodeStreamRangeReader extends BaseRangeReader {
+  constructor(stream, start, end) {
+    super(stream);
+    this._httpHeaders = {};
+
+    for (const property in stream.httpHeaders) {
+      const value = stream.httpHeaders[property];
+
+      if (typeof value === "undefined") {
+        continue;
+      }
+
+      this._httpHeaders[property] = value;
+    }
+
+    this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
+
+    const handleResponse = response => {
+      if (response.statusCode === 404) {
+        const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+        this._storedError = error;
+        return;
+      }
+
+      this._setReadableStream(response);
+    };
+
+    this._request = null;
+
+    if (this._url.protocol === "http:") {
+      this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+    } else {
+      this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+    }
+
+    this._request.on("error", reason => {
+      this._storedError = reason;
+    });
+
+    this._request.end();
+  }
+
+}
+
+class PDFNodeStreamFsFullReader extends BaseFullReader {
+  constructor(stream) {
+    super(stream);
+    let path = decodeURIComponent(this._url.path);
+
+    if (fileUriRegex.test(this._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    fs.lstat(path, (error, stat) => {
+      if (error) {
+        if (error.code === "ENOENT") {
+          error = new _util.MissingPDFException(`Missing PDF "${path}".`);
+        }
+
+        this._storedError = error;
+
+        this._headersCapability.reject(error);
+
+        return;
+      }
+
+      this._contentLength = stat.size;
+
+      this._setReadableStream(fs.createReadStream(path));
+
+      this._headersCapability.resolve();
+    });
+  }
+
+}
+
+class PDFNodeStreamFsRangeReader extends BaseRangeReader {
+  constructor(stream, start, end) {
+    super(stream);
+    let path = decodeURIComponent(this._url.path);
+
+    if (fileUriRegex.test(this._url.href)) {
+      path = path.replace(/^\//, "");
+    }
+
+    this._setReadableStream(fs.createReadStream(path, {
+      start,
+      end: end - 1
+    }));
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/node_utils.js b/node_modules/pdfjs-dist/lib/display/node_utils.js
new file mode 100644
index 00000000..882535c1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/node_utils.js
@@ -0,0 +1,87 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.NodeCMapReaderFactory = exports.NodeCanvasFactory = void 0;
+
+var _display_utils = require("./display_utils.js");
+
+var _is_node = require("../shared/is_node.js");
+
+var _util = require("../shared/util.js");
+
+let NodeCanvasFactory = class {
+  constructor() {
+    (0, _util.unreachable)("Not implemented: NodeCanvasFactory");
+  }
+
+};
+exports.NodeCanvasFactory = NodeCanvasFactory;
+let NodeCMapReaderFactory = class {
+  constructor() {
+    (0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
+  }
+
+};
+exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
+
+if (_is_node.isNodeJS) {
+  exports.NodeCanvasFactory = NodeCanvasFactory = class extends _display_utils.BaseCanvasFactory {
+    create(width, height) {
+      if (width <= 0 || height <= 0) {
+        throw new Error("Invalid canvas size");
+      }
+
+      const Canvas = require("canvas");
+
+      const canvas = Canvas.createCanvas(width, height);
+      return {
+        canvas,
+        context: canvas.getContext("2d")
+      };
+    }
+
+  };
+  exports.NodeCMapReaderFactory = NodeCMapReaderFactory = class extends _display_utils.BaseCMapReaderFactory {
+    _fetchData(url, compressionType) {
+      return new Promise((resolve, reject) => {
+        const fs = require("fs");
+
+        fs.readFile(url, (error, data) => {
+          if (error || !data) {
+            reject(new Error(error));
+            return;
+          }
+
+          resolve({
+            cMapData: new Uint8Array(data),
+            compressionType
+          });
+        });
+      });
+    }
+
+  };
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/optional_content_config.js b/node_modules/pdfjs-dist/lib/display/optional_content_config.js
new file mode 100644
index 00000000..a62e4f52
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/optional_content_config.js
@@ -0,0 +1,184 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OptionalContentConfig = void 0;
+
+var _util = require("../shared/util.js");
+
+class OptionalContentGroup {
+  constructor(name, intent) {
+    this.visible = true;
+    this.name = name;
+    this.intent = intent;
+  }
+
+}
+
+class OptionalContentConfig {
+  constructor(data) {
+    this.name = null;
+    this.creator = null;
+    this._order = null;
+    this._groups = new Map();
+
+    if (data === null) {
+      return;
+    }
+
+    this.name = data.name;
+    this.creator = data.creator;
+    this._order = data.order;
+
+    for (const group of data.groups) {
+      this._groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
+    }
+
+    if (data.baseState === "OFF") {
+      for (const group of this._groups) {
+        group.visible = false;
+      }
+    }
+
+    for (const on of data.on) {
+      this._groups.get(on).visible = true;
+    }
+
+    for (const off of data.off) {
+      this._groups.get(off).visible = false;
+    }
+  }
+
+  isVisible(group) {
+    if (group.type === "OCG") {
+      if (!this._groups.has(group.id)) {
+        (0, _util.warn)(`Optional content group not found: ${group.id}`);
+        return true;
+      }
+
+      return this._groups.get(group.id).visible;
+    } else if (group.type === "OCMD") {
+      if (group.expression) {
+        (0, _util.warn)("Visibility expression not supported yet.");
+      }
+
+      if (!group.policy || group.policy === "AnyOn") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (this._groups.get(id).visible) {
+            return true;
+          }
+        }
+
+        return false;
+      } else if (group.policy === "AllOn") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (!this._groups.get(id).visible) {
+            return false;
+          }
+        }
+
+        return true;
+      } else if (group.policy === "AnyOff") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (!this._groups.get(id).visible) {
+            return true;
+          }
+        }
+
+        return false;
+      } else if (group.policy === "AllOff") {
+        for (const id of group.ids) {
+          if (!this._groups.has(id)) {
+            (0, _util.warn)(`Optional content group not found: ${id}`);
+            return true;
+          }
+
+          if (this._groups.get(id).visible) {
+            return false;
+          }
+        }
+
+        return true;
+      }
+
+      (0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
+      return true;
+    }
+
+    (0, _util.warn)(`Unknown group type ${group.type}.`);
+    return true;
+  }
+
+  setVisibility(id, visible = true) {
+    if (!this._groups.has(id)) {
+      (0, _util.warn)(`Optional content group not found: ${id}`);
+      return;
+    }
+
+    this._groups.get(id).visible = !!visible;
+  }
+
+  getOrder() {
+    if (!this._groups.size) {
+      return null;
+    }
+
+    if (this._order) {
+      return this._order.slice();
+    }
+
+    return Array.from(this._groups.keys());
+  }
+
+  getGroups() {
+    if (!this._groups.size) {
+      return null;
+    }
+
+    return Object.fromEntries(this._groups);
+  }
+
+  getGroup(id) {
+    return this._groups.get(id) || null;
+  }
+
+}
+
+exports.OptionalContentConfig = OptionalContentConfig;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/pattern_helper.js b/node_modules/pdfjs-dist/lib/display/pattern_helper.js
new file mode 100644
index 00000000..ce6d8fa9
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/pattern_helper.js
@@ -0,0 +1,496 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = void 0;
+
+var _util = require("../shared/util.js");
+
+var ShadingIRs = {};
+
+function applyBoundingBox(ctx, bbox) {
+  if (!bbox || typeof Path2D === "undefined") {
+    return;
+  }
+
+  const width = bbox[2] - bbox[0];
+  const height = bbox[3] - bbox[1];
+  const region = new Path2D();
+  region.rect(bbox[0], bbox[1], width, height);
+  ctx.clip(region);
+}
+
+ShadingIRs.RadialAxial = {
+  fromIR: function RadialAxial_fromIR(raw) {
+    var type = raw[1];
+    var bbox = raw[2];
+    var colorStops = raw[3];
+    var p0 = raw[4];
+    var p1 = raw[5];
+    var r0 = raw[6];
+    var r1 = raw[7];
+    return {
+      type: "Pattern",
+      getPattern: function RadialAxial_getPattern(ctx) {
+        applyBoundingBox(ctx, bbox);
+        var grad;
+
+        if (type === "axial") {
+          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+        } else if (type === "radial") {
+          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+        }
+
+        for (var i = 0, ii = colorStops.length; i < ii; ++i) {
+          var c = colorStops[i];
+          grad.addColorStop(c[0], c[1]);
+        }
+
+        return grad;
+      }
+    };
+  }
+};
+
+var createMeshCanvas = function createMeshCanvasClosure() {
+  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+    var coords = context.coords,
+        colors = context.colors;
+    var bytes = data.data,
+        rowSize = data.width * 4;
+    var tmp;
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    if (coords[p2 + 1] > coords[p3 + 1]) {
+      tmp = p2;
+      p2 = p3;
+      p3 = tmp;
+      tmp = c2;
+      c2 = c3;
+      c3 = tmp;
+    }
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    var x1 = (coords[p1] + context.offsetX) * context.scaleX;
+    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+    var x2 = (coords[p2] + context.offsetX) * context.scaleX;
+    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+    var x3 = (coords[p3] + context.offsetX) * context.scaleX;
+    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+
+    if (y1 >= y3) {
+      return;
+    }
+
+    var c1r = colors[c1],
+        c1g = colors[c1 + 1],
+        c1b = colors[c1 + 2];
+    var c2r = colors[c2],
+        c2g = colors[c2 + 1],
+        c2b = colors[c2 + 2];
+    var c3r = colors[c3],
+        c3g = colors[c3 + 1],
+        c3b = colors[c3 + 2];
+    var minY = Math.round(y1),
+        maxY = Math.round(y3);
+    var xa, car, cag, cab;
+    var xb, cbr, cbg, cbb;
+
+    for (var y = minY; y <= maxY; y++) {
+      if (y < y2) {
+        let k;
+
+        if (y < y1) {
+          k = 0;
+        } else if (y1 === y2) {
+          k = 1;
+        } else {
+          k = (y1 - y) / (y1 - y2);
+        }
+
+        xa = x1 - (x1 - x2) * k;
+        car = c1r - (c1r - c2r) * k;
+        cag = c1g - (c1g - c2g) * k;
+        cab = c1b - (c1b - c2b) * k;
+      } else {
+        let k;
+
+        if (y > y3) {
+          k = 1;
+        } else if (y2 === y3) {
+          k = 0;
+        } else {
+          k = (y2 - y) / (y2 - y3);
+        }
+
+        xa = x2 - (x2 - x3) * k;
+        car = c2r - (c2r - c3r) * k;
+        cag = c2g - (c2g - c3g) * k;
+        cab = c2b - (c2b - c3b) * k;
+      }
+
+      let k;
+
+      if (y < y1) {
+        k = 0;
+      } else if (y > y3) {
+        k = 1;
+      } else {
+        k = (y1 - y) / (y1 - y3);
+      }
+
+      xb = x1 - (x1 - x3) * k;
+      cbr = c1r - (c1r - c3r) * k;
+      cbg = c1g - (c1g - c3g) * k;
+      cbb = c1b - (c1b - c3b) * k;
+      var x1_ = Math.round(Math.min(xa, xb));
+      var x2_ = Math.round(Math.max(xa, xb));
+      var j = rowSize * y + x1_ * 4;
+
+      for (var x = x1_; x <= x2_; x++) {
+        k = (xa - x) / (xa - xb);
+
+        if (k < 0) {
+          k = 0;
+        } else if (k > 1) {
+          k = 1;
+        }
+
+        bytes[j++] = car - (car - cbr) * k | 0;
+        bytes[j++] = cag - (cag - cbg) * k | 0;
+        bytes[j++] = cab - (cab - cbb) * k | 0;
+        bytes[j++] = 255;
+      }
+    }
+  }
+
+  function drawFigure(data, figure, context) {
+    var ps = figure.coords;
+    var cs = figure.colors;
+    var i, ii;
+
+    switch (figure.type) {
+      case "lattice":
+        var verticesPerRow = figure.verticesPerRow;
+        var rows = Math.floor(ps.length / verticesPerRow) - 1;
+        var cols = verticesPerRow - 1;
+
+        for (i = 0; i < rows; i++) {
+          var q = i * verticesPerRow;
+
+          for (var j = 0; j < cols; j++, q++) {
+            drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
+            drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
+          }
+        }
+
+        break;
+
+      case "triangles":
+        for (i = 0, ii = ps.length; i < ii; i += 3) {
+          drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
+        }
+
+        break;
+
+      default:
+        throw new Error("illegal figure");
+    }
+  }
+
+  function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
+    var EXPECTED_SCALE = 1.1;
+    var MAX_PATTERN_SIZE = 3000;
+    var BORDER_SIZE = 2;
+    var offsetX = Math.floor(bounds[0]);
+    var offsetY = Math.floor(bounds[1]);
+    var boundsWidth = Math.ceil(bounds[2]) - offsetX;
+    var boundsHeight = Math.ceil(bounds[3]) - offsetY;
+    var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var scaleX = boundsWidth / width;
+    var scaleY = boundsHeight / height;
+    var context = {
+      coords,
+      colors,
+      offsetX: -offsetX,
+      offsetY: -offsetY,
+      scaleX: 1 / scaleX,
+      scaleY: 1 / scaleY
+    };
+    var paddedWidth = width + BORDER_SIZE * 2;
+    var paddedHeight = height + BORDER_SIZE * 2;
+    var canvas, tmpCanvas, i, ii;
+
+    if (webGLContext.isEnabled) {
+      canvas = webGLContext.drawFigures({
+        width,
+        height,
+        backgroundColor,
+        figures,
+        context
+      });
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    } else {
+      tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+      var tmpCtx = tmpCanvas.context;
+      var data = tmpCtx.createImageData(width, height);
+
+      if (backgroundColor) {
+        var bytes = data.data;
+
+        for (i = 0, ii = bytes.length; i < ii; i += 4) {
+          bytes[i] = backgroundColor[0];
+          bytes[i + 1] = backgroundColor[1];
+          bytes[i + 2] = backgroundColor[2];
+          bytes[i + 3] = 255;
+        }
+      }
+
+      for (i = 0; i < figures.length; i++) {
+        drawFigure(data, figures[i], context);
+      }
+
+      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    }
+
+    return {
+      canvas,
+      offsetX: offsetX - BORDER_SIZE * scaleX,
+      offsetY: offsetY - BORDER_SIZE * scaleY,
+      scaleX,
+      scaleY
+    };
+  }
+
+  return createMeshCanvas;
+}();
+
+ShadingIRs.Mesh = {
+  fromIR: function Mesh_fromIR(raw) {
+    var coords = raw[2];
+    var colors = raw[3];
+    var figures = raw[4];
+    var bounds = raw[5];
+    var matrix = raw[6];
+    var bbox = raw[7];
+    var background = raw[8];
+    return {
+      type: "Pattern",
+      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+        applyBoundingBox(ctx, bbox);
+        var scale;
+
+        if (shadingFill) {
+          scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+        } else {
+          scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+          if (matrix) {
+            var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
+
+            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
+          }
+        }
+
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
+
+        if (!shadingFill) {
+          ctx.setTransform.apply(ctx, owner.baseTransform);
+
+          if (matrix) {
+            ctx.transform.apply(ctx, matrix);
+          }
+        }
+
+        ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+        return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
+      }
+    };
+  }
+};
+ShadingIRs.Dummy = {
+  fromIR: function Dummy_fromIR() {
+    return {
+      type: "Pattern",
+      getPattern: function Dummy_fromIR_getPattern() {
+        return "hotpink";
+      }
+    };
+  }
+};
+
+function getShadingPatternFromIR(raw) {
+  var shadingIR = ShadingIRs[raw[0]];
+
+  if (!shadingIR) {
+    throw new Error(`Unknown IR type: ${raw[0]}`);
+  }
+
+  return shadingIR.fromIR(raw);
+}
+
+var TilingPattern = function TilingPatternClosure() {
+  var PaintType = {
+    COLORED: 1,
+    UNCOLORED: 2
+  };
+  var MAX_PATTERN_SIZE = 3000;
+
+  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+    this.operatorList = IR[2];
+    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+    this.bbox = IR[4];
+    this.xstep = IR[5];
+    this.ystep = IR[6];
+    this.paintType = IR[7];
+    this.tilingType = IR[8];
+    this.color = color;
+    this.canvasGraphicsFactory = canvasGraphicsFactory;
+    this.baseTransform = baseTransform;
+    this.type = "Pattern";
+    this.ctx = ctx;
+  }
+
+  TilingPattern.prototype = {
+    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+      var operatorList = this.operatorList;
+      var bbox = this.bbox;
+      var xstep = this.xstep;
+      var ystep = this.ystep;
+      var paintType = this.paintType;
+      var tilingType = this.tilingType;
+      var color = this.color;
+      var canvasGraphicsFactory = this.canvasGraphicsFactory;
+      (0, _util.info)("TilingType: " + tilingType);
+      var x0 = bbox[0],
+          y0 = bbox[1],
+          x1 = bbox[2],
+          y1 = bbox[3];
+
+      var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+      var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+      var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+      var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+      var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+      var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
+      var tmpCtx = tmpCanvas.context;
+      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+      graphics.groupLevel = owner.groupLevel;
+      this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+      graphics.transform(1, 0, 0, 1, -x0, -y0);
+      this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+      graphics.executeOperatorList(operatorList);
+      this.ctx.transform(1, 0, 0, 1, x0, y0);
+      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
+      return tmpCanvas.canvas;
+    },
+    getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
+      step = Math.abs(step);
+      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
+      var size = Math.ceil(step * scale);
+
+      if (size >= maxSize) {
+        size = maxSize;
+      } else {
+        scale = size / step;
+      }
+
+      return {
+        scale,
+        size
+      };
+    },
+    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+      if (Array.isArray(bbox) && bbox.length === 4) {
+        var bboxWidth = x1 - x0;
+        var bboxHeight = y1 - y0;
+        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+        graphics.clip();
+        graphics.endPath();
+      }
+    },
+    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
+      const context = graphics.ctx,
+            current = graphics.current;
+
+      switch (paintType) {
+        case PaintType.COLORED:
+          var ctx = this.ctx;
+          context.fillStyle = ctx.fillStyle;
+          context.strokeStyle = ctx.strokeStyle;
+          current.fillColor = ctx.fillStyle;
+          current.strokeColor = ctx.strokeStyle;
+          break;
+
+        case PaintType.UNCOLORED:
+          var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
+
+          context.fillStyle = cssColor;
+          context.strokeStyle = cssColor;
+          current.fillColor = cssColor;
+          current.strokeColor = cssColor;
+          break;
+
+        default:
+          throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
+      }
+    },
+    getPattern: function TilingPattern_getPattern(ctx, owner) {
+      ctx = this.ctx;
+      ctx.setTransform.apply(ctx, this.baseTransform);
+      ctx.transform.apply(ctx, this.matrix);
+      var temporaryPatternCanvas = this.createPatternCanvas(owner);
+      return ctx.createPattern(temporaryPatternCanvas, "repeat");
+    }
+  };
+  return TilingPattern;
+}();
+
+exports.TilingPattern = TilingPattern;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/svg.js b/node_modules/pdfjs-dist/lib/display/svg.js
new file mode 100644
index 00000000..27939cb6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/svg.js
@@ -0,0 +1,1541 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SVGGraphics = void 0;
+
+var _util = require("../shared/util.js");
+
+var _display_utils = require("./display_utils.js");
+
+var _is_node = require("../shared/is_node.js");
+
+let SVGGraphics = function () {
+  throw new Error("Not implemented: SVGGraphics");
+};
+
+exports.SVGGraphics = SVGGraphics;
+{
+  const SVG_DEFAULTS = {
+    fontStyle: "normal",
+    fontWeight: "normal",
+    fillColor: "#000000"
+  };
+  const XML_NS = "http://www.w3.org/XML/1998/namespace";
+  const XLINK_NS = "http://www.w3.org/1999/xlink";
+  const LINE_CAP_STYLES = ["butt", "round", "square"];
+  const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+
+  const convertImgDataToPng = function () {
+    const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+    const CHUNK_WRAPPER_SIZE = 12;
+    const crcTable = new Int32Array(256);
+
+    for (let i = 0; i < 256; i++) {
+      let c = i;
+
+      for (let h = 0; h < 8; h++) {
+        if (c & 1) {
+          c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
+        } else {
+          c = c >> 1 & 0x7fffffff;
+        }
+      }
+
+      crcTable[i] = c;
+    }
+
+    function crc32(data, start, end) {
+      let crc = -1;
+
+      for (let i = start; i < end; i++) {
+        const a = (crc ^ data[i]) & 0xff;
+        const b = crcTable[a];
+        crc = crc >>> 8 ^ b;
+      }
+
+      return crc ^ -1;
+    }
+
+    function writePngChunk(type, body, data, offset) {
+      let p = offset;
+      const len = body.length;
+      data[p] = len >> 24 & 0xff;
+      data[p + 1] = len >> 16 & 0xff;
+      data[p + 2] = len >> 8 & 0xff;
+      data[p + 3] = len & 0xff;
+      p += 4;
+      data[p] = type.charCodeAt(0) & 0xff;
+      data[p + 1] = type.charCodeAt(1) & 0xff;
+      data[p + 2] = type.charCodeAt(2) & 0xff;
+      data[p + 3] = type.charCodeAt(3) & 0xff;
+      p += 4;
+      data.set(body, p);
+      p += body.length;
+      const crc = crc32(data, offset + 4, p);
+      data[p] = crc >> 24 & 0xff;
+      data[p + 1] = crc >> 16 & 0xff;
+      data[p + 2] = crc >> 8 & 0xff;
+      data[p + 3] = crc & 0xff;
+    }
+
+    function adler32(data, start, end) {
+      let a = 1;
+      let b = 0;
+
+      for (let i = start; i < end; ++i) {
+        a = (a + (data[i] & 0xff)) % 65521;
+        b = (b + a) % 65521;
+      }
+
+      return b << 16 | a;
+    }
+
+    function deflateSync(literals) {
+      if (!_is_node.isNodeJS) {
+        return deflateSyncUncompressed(literals);
+      }
+
+      try {
+        let input;
+
+        if (parseInt(process.versions.node) >= 8) {
+          input = literals;
+        } else {
+          input = Buffer.from(literals);
+        }
+
+        const output = require("zlib").deflateSync(input, {
+          level: 9
+        });
+
+        return output instanceof Uint8Array ? output : new Uint8Array(output);
+      } catch (e) {
+        (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
+      }
+
+      return deflateSyncUncompressed(literals);
+    }
+
+    function deflateSyncUncompressed(literals) {
+      let len = literals.length;
+      const maxBlockLength = 0xffff;
+      const deflateBlocks = Math.ceil(len / maxBlockLength);
+      const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+      let pi = 0;
+      idat[pi++] = 0x78;
+      idat[pi++] = 0x9c;
+      let pos = 0;
+
+      while (len > maxBlockLength) {
+        idat[pi++] = 0x00;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0x00;
+        idat[pi++] = 0x00;
+        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+        pi += maxBlockLength;
+        pos += maxBlockLength;
+        len -= maxBlockLength;
+      }
+
+      idat[pi++] = 0x01;
+      idat[pi++] = len & 0xff;
+      idat[pi++] = len >> 8 & 0xff;
+      idat[pi++] = ~len & 0xffff & 0xff;
+      idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+      idat.set(literals.subarray(pos), pi);
+      pi += literals.length - pos;
+      const adler = adler32(literals, 0, literals.length);
+      idat[pi++] = adler >> 24 & 0xff;
+      idat[pi++] = adler >> 16 & 0xff;
+      idat[pi++] = adler >> 8 & 0xff;
+      idat[pi++] = adler & 0xff;
+      return idat;
+    }
+
+    function encode(imgData, kind, forceDataSchema, isMask) {
+      const width = imgData.width;
+      const height = imgData.height;
+      let bitDepth, colorType, lineSize;
+      const bytes = imgData.data;
+
+      switch (kind) {
+        case _util.ImageKind.GRAYSCALE_1BPP:
+          colorType = 0;
+          bitDepth = 1;
+          lineSize = width + 7 >> 3;
+          break;
+
+        case _util.ImageKind.RGB_24BPP:
+          colorType = 2;
+          bitDepth = 8;
+          lineSize = width * 3;
+          break;
+
+        case _util.ImageKind.RGBA_32BPP:
+          colorType = 6;
+          bitDepth = 8;
+          lineSize = width * 4;
+          break;
+
+        default:
+          throw new Error("invalid format");
+      }
+
+      const literals = new Uint8Array((1 + lineSize) * height);
+      let offsetLiterals = 0,
+          offsetBytes = 0;
+
+      for (let y = 0; y < height; ++y) {
+        literals[offsetLiterals++] = 0;
+        literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
+        offsetBytes += lineSize;
+        offsetLiterals += lineSize;
+      }
+
+      if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
+        offsetLiterals = 0;
+
+        for (let y = 0; y < height; y++) {
+          offsetLiterals++;
+
+          for (let i = 0; i < lineSize; i++) {
+            literals[offsetLiterals++] ^= 0xff;
+          }
+        }
+      }
+
+      const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
+      const idat = deflateSync(literals);
+      const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
+      const data = new Uint8Array(pngLength);
+      let offset = 0;
+      data.set(PNG_HEADER, offset);
+      offset += PNG_HEADER.length;
+      writePngChunk("IHDR", ihdr, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+      writePngChunk("IDATA", idat, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + idat.length;
+      writePngChunk("IEND", new Uint8Array(0), data, offset);
+      return (0, _util.createObjectURL)(data, "image/png", forceDataSchema);
+    }
+
+    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
+      const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
+      return encode(imgData, kind, forceDataSchema, isMask);
+    };
+  }();
+
+  class SVGExtraState {
+    constructor() {
+      this.fontSizeScale = 1;
+      this.fontWeight = SVG_DEFAULTS.fontWeight;
+      this.fontSize = 0;
+      this.textMatrix = _util.IDENTITY_MATRIX;
+      this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+      this.leading = 0;
+      this.textRenderingMode = _util.TextRenderingMode.FILL;
+      this.textMatrixScale = 1;
+      this.x = 0;
+      this.y = 0;
+      this.lineX = 0;
+      this.lineY = 0;
+      this.charSpacing = 0;
+      this.wordSpacing = 0;
+      this.textHScale = 1;
+      this.textRise = 0;
+      this.fillColor = SVG_DEFAULTS.fillColor;
+      this.strokeColor = "#000000";
+      this.fillAlpha = 1;
+      this.strokeAlpha = 1;
+      this.lineWidth = 1;
+      this.lineJoin = "";
+      this.lineCap = "";
+      this.miterLimit = 0;
+      this.dashArray = [];
+      this.dashPhase = 0;
+      this.dependencies = [];
+      this.activeClipUrl = null;
+      this.clipGroup = null;
+      this.maskId = "";
+    }
+
+    clone() {
+      return Object.create(this);
+    }
+
+    setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+
+  }
+
+  function opListToTree(opList) {
+    let opTree = [];
+    const tmp = [];
+
+    for (const opListElement of opList) {
+      if (opListElement.fn === "save") {
+        opTree.push({
+          fnId: 92,
+          fn: "group",
+          items: []
+        });
+        tmp.push(opTree);
+        opTree = opTree[opTree.length - 1].items;
+        continue;
+      }
+
+      if (opListElement.fn === "restore") {
+        opTree = tmp.pop();
+      } else {
+        opTree.push(opListElement);
+      }
+    }
+
+    return opTree;
+  }
+
+  function pf(value) {
+    if (Number.isInteger(value)) {
+      return value.toString();
+    }
+
+    const s = value.toFixed(10);
+    let i = s.length - 1;
+
+    if (s[i] !== "0") {
+      return s;
+    }
+
+    do {
+      i--;
+    } while (s[i] === "0");
+
+    return s.substring(0, s[i] === "." ? i : i + 1);
+  }
+
+  function pm(m) {
+    if (m[4] === 0 && m[5] === 0) {
+      if (m[1] === 0 && m[2] === 0) {
+        if (m[0] === 1 && m[3] === 1) {
+          return "";
+        }
+
+        return `scale(${pf(m[0])} ${pf(m[3])})`;
+      }
+
+      if (m[0] === m[3] && m[1] === -m[2]) {
+        const a = Math.acos(m[0]) * 180 / Math.PI;
+        return `rotate(${pf(a)})`;
+      }
+    } else {
+      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+        return `translate(${pf(m[4])} ${pf(m[5])})`;
+      }
+    }
+
+    return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
+  }
+
+  let clipCount = 0;
+  let maskCount = 0;
+  let shadingCount = 0;
+  exports.SVGGraphics = SVGGraphics = class SVGGraphics {
+    constructor(commonObjs, objs, forceDataSchema = false) {
+      this.svgFactory = new _display_utils.DOMSVGFactory();
+      this.current = new SVGExtraState();
+      this.transformMatrix = _util.IDENTITY_MATRIX;
+      this.transformStack = [];
+      this.extraStack = [];
+      this.commonObjs = commonObjs;
+      this.objs = objs;
+      this.pendingClip = null;
+      this.pendingEOFill = false;
+      this.embedFonts = false;
+      this.embeddedFonts = Object.create(null);
+      this.cssStyle = null;
+      this.forceDataSchema = !!forceDataSchema;
+      this._operatorIdMapping = [];
+
+      for (const op in _util.OPS) {
+        this._operatorIdMapping[_util.OPS[op]] = op;
+      }
+    }
+
+    save() {
+      this.transformStack.push(this.transformMatrix);
+      const old = this.current;
+      this.extraStack.push(old);
+      this.current = old.clone();
+    }
+
+    restore() {
+      this.transformMatrix = this.transformStack.pop();
+      this.current = this.extraStack.pop();
+      this.pendingClip = null;
+      this.tgrp = null;
+    }
+
+    group(items) {
+      this.save();
+      this.executeOpTree(items);
+      this.restore();
+    }
+
+    loadDependencies(operatorList) {
+      const fnArray = operatorList.fnArray;
+      const argsArray = operatorList.argsArray;
+
+      for (let i = 0, ii = fnArray.length; i < ii; i++) {
+        if (fnArray[i] !== _util.OPS.dependency) {
+          continue;
+        }
+
+        for (const obj of argsArray[i]) {
+          const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
+          const promise = new Promise(resolve => {
+            objsPool.get(obj, resolve);
+          });
+          this.current.dependencies.push(promise);
+        }
+      }
+
+      return Promise.all(this.current.dependencies);
+    }
+
+    transform(a, b, c, d, e, f) {
+      const transformMatrix = [a, b, c, d, e, f];
+      this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
+      this.tgrp = null;
+    }
+
+    getSVG(operatorList, viewport) {
+      this.viewport = viewport;
+
+      const svgElement = this._initialize(viewport);
+
+      return this.loadDependencies(operatorList).then(() => {
+        this.transformMatrix = _util.IDENTITY_MATRIX;
+        this.executeOpTree(this.convertOpList(operatorList));
+        return svgElement;
+      });
+    }
+
+    convertOpList(operatorList) {
+      const operatorIdMapping = this._operatorIdMapping;
+      const argsArray = operatorList.argsArray;
+      const fnArray = operatorList.fnArray;
+      const opList = [];
+
+      for (let i = 0, ii = fnArray.length; i < ii; i++) {
+        const fnId = fnArray[i];
+        opList.push({
+          fnId,
+          fn: operatorIdMapping[fnId],
+          args: argsArray[i]
+        });
+      }
+
+      return opListToTree(opList);
+    }
+
+    executeOpTree(opTree) {
+      for (const opTreeElement of opTree) {
+        const fn = opTreeElement.fn;
+        const fnId = opTreeElement.fnId;
+        const args = opTreeElement.args;
+
+        switch (fnId | 0) {
+          case _util.OPS.beginText:
+            this.beginText();
+            break;
+
+          case _util.OPS.dependency:
+            break;
+
+          case _util.OPS.setLeading:
+            this.setLeading(args);
+            break;
+
+          case _util.OPS.setLeadingMoveText:
+            this.setLeadingMoveText(args[0], args[1]);
+            break;
+
+          case _util.OPS.setFont:
+            this.setFont(args);
+            break;
+
+          case _util.OPS.showText:
+            this.showText(args[0]);
+            break;
+
+          case _util.OPS.showSpacedText:
+            this.showText(args[0]);
+            break;
+
+          case _util.OPS.endText:
+            this.endText();
+            break;
+
+          case _util.OPS.moveText:
+            this.moveText(args[0], args[1]);
+            break;
+
+          case _util.OPS.setCharSpacing:
+            this.setCharSpacing(args[0]);
+            break;
+
+          case _util.OPS.setWordSpacing:
+            this.setWordSpacing(args[0]);
+            break;
+
+          case _util.OPS.setHScale:
+            this.setHScale(args[0]);
+            break;
+
+          case _util.OPS.setTextMatrix:
+            this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.setTextRise:
+            this.setTextRise(args[0]);
+            break;
+
+          case _util.OPS.setTextRenderingMode:
+            this.setTextRenderingMode(args[0]);
+            break;
+
+          case _util.OPS.setLineWidth:
+            this.setLineWidth(args[0]);
+            break;
+
+          case _util.OPS.setLineJoin:
+            this.setLineJoin(args[0]);
+            break;
+
+          case _util.OPS.setLineCap:
+            this.setLineCap(args[0]);
+            break;
+
+          case _util.OPS.setMiterLimit:
+            this.setMiterLimit(args[0]);
+            break;
+
+          case _util.OPS.setFillRGBColor:
+            this.setFillRGBColor(args[0], args[1], args[2]);
+            break;
+
+          case _util.OPS.setStrokeRGBColor:
+            this.setStrokeRGBColor(args[0], args[1], args[2]);
+            break;
+
+          case _util.OPS.setStrokeColorN:
+            this.setStrokeColorN(args);
+            break;
+
+          case _util.OPS.setFillColorN:
+            this.setFillColorN(args);
+            break;
+
+          case _util.OPS.shadingFill:
+            this.shadingFill(args[0]);
+            break;
+
+          case _util.OPS.setDash:
+            this.setDash(args[0], args[1]);
+            break;
+
+          case _util.OPS.setRenderingIntent:
+            this.setRenderingIntent(args[0]);
+            break;
+
+          case _util.OPS.setFlatness:
+            this.setFlatness(args[0]);
+            break;
+
+          case _util.OPS.setGState:
+            this.setGState(args[0]);
+            break;
+
+          case _util.OPS.fill:
+            this.fill();
+            break;
+
+          case _util.OPS.eoFill:
+            this.eoFill();
+            break;
+
+          case _util.OPS.stroke:
+            this.stroke();
+            break;
+
+          case _util.OPS.fillStroke:
+            this.fillStroke();
+            break;
+
+          case _util.OPS.eoFillStroke:
+            this.eoFillStroke();
+            break;
+
+          case _util.OPS.clip:
+            this.clip("nonzero");
+            break;
+
+          case _util.OPS.eoClip:
+            this.clip("evenodd");
+            break;
+
+          case _util.OPS.paintSolidColorImageMask:
+            this.paintSolidColorImageMask();
+            break;
+
+          case _util.OPS.paintImageXObject:
+            this.paintImageXObject(args[0]);
+            break;
+
+          case _util.OPS.paintInlineImageXObject:
+            this.paintInlineImageXObject(args[0]);
+            break;
+
+          case _util.OPS.paintImageMaskXObject:
+            this.paintImageMaskXObject(args[0]);
+            break;
+
+          case _util.OPS.paintFormXObjectBegin:
+            this.paintFormXObjectBegin(args[0], args[1]);
+            break;
+
+          case _util.OPS.paintFormXObjectEnd:
+            this.paintFormXObjectEnd();
+            break;
+
+          case _util.OPS.closePath:
+            this.closePath();
+            break;
+
+          case _util.OPS.closeStroke:
+            this.closeStroke();
+            break;
+
+          case _util.OPS.closeFillStroke:
+            this.closeFillStroke();
+            break;
+
+          case _util.OPS.closeEOFillStroke:
+            this.closeEOFillStroke();
+            break;
+
+          case _util.OPS.nextLine:
+            this.nextLine();
+            break;
+
+          case _util.OPS.transform:
+            this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
+            break;
+
+          case _util.OPS.constructPath:
+            this.constructPath(args[0], args[1]);
+            break;
+
+          case _util.OPS.endPath:
+            this.endPath();
+            break;
+
+          case 92:
+            this.group(opTreeElement.items);
+            break;
+
+          default:
+            (0, _util.warn)(`Unimplemented operator ${fn}`);
+            break;
+        }
+      }
+    }
+
+    setWordSpacing(wordSpacing) {
+      this.current.wordSpacing = wordSpacing;
+    }
+
+    setCharSpacing(charSpacing) {
+      this.current.charSpacing = charSpacing;
+    }
+
+    nextLine() {
+      this.moveText(0, this.current.leading);
+    }
+
+    setTextMatrix(a, b, c, d, e, f) {
+      const current = this.current;
+      current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
+      current.textMatrixScale = Math.sqrt(a * a + b * b);
+      current.x = current.lineX = 0;
+      current.y = current.lineY = 0;
+      current.xcoords = [];
+      current.ycoords = [];
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      current.txtElement = this.svgFactory.createElement("svg:text");
+      current.txtElement.appendChild(current.tspan);
+    }
+
+    beginText() {
+      const current = this.current;
+      current.x = current.lineX = 0;
+      current.y = current.lineY = 0;
+      current.textMatrix = _util.IDENTITY_MATRIX;
+      current.lineMatrix = _util.IDENTITY_MATRIX;
+      current.textMatrixScale = 1;
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.txtElement = this.svgFactory.createElement("svg:text");
+      current.txtgrp = this.svgFactory.createElement("svg:g");
+      current.xcoords = [];
+      current.ycoords = [];
+    }
+
+    moveText(x, y) {
+      const current = this.current;
+      current.x = current.lineX += x;
+      current.y = current.lineY += y;
+      current.xcoords = [];
+      current.ycoords = [];
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+    }
+
+    showText(glyphs) {
+      const current = this.current;
+      const font = current.font;
+      const fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return;
+      }
+
+      const fontSizeScale = current.fontSizeScale;
+      const charSpacing = current.charSpacing;
+      const wordSpacing = current.wordSpacing;
+      const fontDirection = current.fontDirection;
+      const textHScale = current.textHScale * fontDirection;
+      const vertical = font.vertical;
+      const spacingDir = vertical ? 1 : -1;
+      const defaultVMetrics = font.defaultVMetrics;
+      const widthAdvanceScale = fontSize * current.fontMatrix[0];
+      let x = 0;
+
+      for (const glyph of glyphs) {
+        if (glyph === null) {
+          x += fontDirection * wordSpacing;
+          continue;
+        } else if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        const character = glyph.fontChar;
+        let scaledX, scaledY;
+        let width = glyph.width;
+
+        if (vertical) {
+          let vx;
+          const vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          const vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (glyph.isInFont || font.missingFile) {
+          current.xcoords.push(current.x + scaledX);
+
+          if (vertical) {
+            current.ycoords.push(-current.y + scaledY);
+          }
+
+          current.tspan.textContent += character;
+        } else {}
+
+        let charWidth;
+
+        if (vertical) {
+          charWidth = width * widthAdvanceScale - spacing * fontDirection;
+        } else {
+          charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        }
+
+        x += charWidth;
+      }
+
+      current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
+
+      if (vertical) {
+        current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
+      } else {
+        current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      }
+
+      if (vertical) {
+        current.y -= x;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+      current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+
+      if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+        current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
+      }
+
+      if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+        current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
+      }
+
+      const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+      if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+        if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+          current.tspan.setAttributeNS(null, "fill", current.fillColor);
+        }
+
+        if (current.fillAlpha < 1) {
+          current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+        }
+      } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
+        current.tspan.setAttributeNS(null, "fill", "transparent");
+      } else {
+        current.tspan.setAttributeNS(null, "fill", "none");
+      }
+
+      if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+        const lineWidthScale = 1 / (current.textMatrixScale || 1);
+
+        this._setStrokeAttributes(current.tspan, lineWidthScale);
+      }
+
+      let textMatrix = current.textMatrix;
+
+      if (current.textRise !== 0) {
+        textMatrix = textMatrix.slice();
+        textMatrix[5] += current.textRise;
+      }
+
+      current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
+      current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
+      current.txtElement.appendChild(current.tspan);
+      current.txtgrp.appendChild(current.txtElement);
+
+      this._ensureTransformGroup().appendChild(current.txtElement);
+    }
+
+    setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    }
+
+    addFontStyle(fontObj) {
+      if (!fontObj.data) {
+        throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
+      }
+
+      if (!this.cssStyle) {
+        this.cssStyle = this.svgFactory.createElement("svg:style");
+        this.cssStyle.setAttributeNS(null, "type", "text/css");
+        this.defs.appendChild(this.cssStyle);
+      }
+
+      const url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
+      this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
+    }
+
+    setFont(details) {
+      const current = this.current;
+      const fontObj = this.commonObjs.get(details[0]);
+      let size = details[1];
+      current.font = fontObj;
+
+      if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
+        this.addFontStyle(fontObj);
+        this.embeddedFonts[fontObj.loadedName] = fontObj;
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+      let bold = "normal";
+
+      if (fontObj.black) {
+        bold = "900";
+      } else if (fontObj.bold) {
+        bold = "bold";
+      }
+
+      const italic = fontObj.italic ? "italic" : "normal";
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      current.fontSize = size;
+      current.fontFamily = fontObj.loadedName;
+      current.fontWeight = bold;
+      current.fontStyle = italic;
+      current.tspan = this.svgFactory.createElement("svg:tspan");
+      current.tspan.setAttributeNS(null, "y", pf(-current.y));
+      current.xcoords = [];
+      current.ycoords = [];
+    }
+
+    endText() {
+      const current = this.current;
+
+      if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
+        current.element = current.txtElement;
+        this.clip("nonzero");
+        this.endPath();
+      }
+    }
+
+    setLineWidth(width) {
+      if (width > 0) {
+        this.current.lineWidth = width;
+      }
+    }
+
+    setLineCap(style) {
+      this.current.lineCap = LINE_CAP_STYLES[style];
+    }
+
+    setLineJoin(style) {
+      this.current.lineJoin = LINE_JOIN_STYLES[style];
+    }
+
+    setMiterLimit(limit) {
+      this.current.miterLimit = limit;
+    }
+
+    setStrokeAlpha(strokeAlpha) {
+      this.current.strokeAlpha = strokeAlpha;
+    }
+
+    setStrokeRGBColor(r, g, b) {
+      this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
+    }
+
+    setFillAlpha(fillAlpha) {
+      this.current.fillAlpha = fillAlpha;
+    }
+
+    setFillRGBColor(r, g, b) {
+      this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
+      this.current.tspan = this.svgFactory.createElement("svg:tspan");
+      this.current.xcoords = [];
+      this.current.ycoords = [];
+    }
+
+    setStrokeColorN(args) {
+      this.current.strokeColor = this._makeColorN_Pattern(args);
+    }
+
+    setFillColorN(args) {
+      this.current.fillColor = this._makeColorN_Pattern(args);
+    }
+
+    shadingFill(args) {
+      const width = this.viewport.width;
+      const height = this.viewport.height;
+
+      const inv = _util.Util.inverseTransform(this.transformMatrix);
+
+      const bl = _util.Util.applyTransform([0, 0], inv);
+
+      const br = _util.Util.applyTransform([0, height], inv);
+
+      const ul = _util.Util.applyTransform([width, 0], inv);
+
+      const ur = _util.Util.applyTransform([width, height], inv);
+
+      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", x0);
+      rect.setAttributeNS(null, "y", y0);
+      rect.setAttributeNS(null, "width", x1 - x0);
+      rect.setAttributeNS(null, "height", y1 - y0);
+      rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
+
+      if (this.current.fillAlpha < 1) {
+        rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
+      }
+
+      this._ensureTransformGroup().appendChild(rect);
+    }
+
+    _makeColorN_Pattern(args) {
+      if (args[0] === "TilingPattern") {
+        return this._makeTilingPattern(args);
+      }
+
+      return this._makeShadingPattern(args);
+    }
+
+    _makeTilingPattern(args) {
+      const color = args[1];
+      const operatorList = args[2];
+      const matrix = args[3] || _util.IDENTITY_MATRIX;
+      const [x0, y0, x1, y1] = args[4];
+      const xstep = args[5];
+      const ystep = args[6];
+      const paintType = args[7];
+      const tilingId = `shading${shadingCount++}`;
+
+      const [tx0, ty0] = _util.Util.applyTransform([x0, y0], matrix);
+
+      const [tx1, ty1] = _util.Util.applyTransform([x1, y1], matrix);
+
+      const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
+
+      const txstep = xstep * xscale;
+      const tystep = ystep * yscale;
+      const tiling = this.svgFactory.createElement("svg:pattern");
+      tiling.setAttributeNS(null, "id", tilingId);
+      tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
+      tiling.setAttributeNS(null, "width", txstep);
+      tiling.setAttributeNS(null, "height", tystep);
+      tiling.setAttributeNS(null, "x", `${tx0}`);
+      tiling.setAttributeNS(null, "y", `${ty0}`);
+      const svg = this.svg;
+      const transformMatrix = this.transformMatrix;
+      const fillColor = this.current.fillColor;
+      const strokeColor = this.current.strokeColor;
+      const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
+      this.svg = bbox;
+      this.transformMatrix = matrix;
+
+      if (paintType === 2) {
+        const cssColor = _util.Util.makeCssRgb(...color);
+
+        this.current.fillColor = cssColor;
+        this.current.strokeColor = cssColor;
+      }
+
+      this.executeOpTree(this.convertOpList(operatorList));
+      this.svg = svg;
+      this.transformMatrix = transformMatrix;
+      this.current.fillColor = fillColor;
+      this.current.strokeColor = strokeColor;
+      tiling.appendChild(bbox.childNodes[0]);
+      this.defs.appendChild(tiling);
+      return `url(#${tilingId})`;
+    }
+
+    _makeShadingPattern(args) {
+      switch (args[0]) {
+        case "RadialAxial":
+          const shadingId = `shading${shadingCount++}`;
+          const colorStops = args[3];
+          let gradient;
+
+          switch (args[1]) {
+            case "axial":
+              const point0 = args[4];
+              const point1 = args[5];
+              gradient = this.svgFactory.createElement("svg:linearGradient");
+              gradient.setAttributeNS(null, "id", shadingId);
+              gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+              gradient.setAttributeNS(null, "x1", point0[0]);
+              gradient.setAttributeNS(null, "y1", point0[1]);
+              gradient.setAttributeNS(null, "x2", point1[0]);
+              gradient.setAttributeNS(null, "y2", point1[1]);
+              break;
+
+            case "radial":
+              const focalPoint = args[4];
+              const circlePoint = args[5];
+              const focalRadius = args[6];
+              const circleRadius = args[7];
+              gradient = this.svgFactory.createElement("svg:radialGradient");
+              gradient.setAttributeNS(null, "id", shadingId);
+              gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+              gradient.setAttributeNS(null, "cx", circlePoint[0]);
+              gradient.setAttributeNS(null, "cy", circlePoint[1]);
+              gradient.setAttributeNS(null, "r", circleRadius);
+              gradient.setAttributeNS(null, "fx", focalPoint[0]);
+              gradient.setAttributeNS(null, "fy", focalPoint[1]);
+              gradient.setAttributeNS(null, "fr", focalRadius);
+              break;
+
+            default:
+              throw new Error(`Unknown RadialAxial type: ${args[1]}`);
+          }
+
+          for (const colorStop of colorStops) {
+            const stop = this.svgFactory.createElement("svg:stop");
+            stop.setAttributeNS(null, "offset", colorStop[0]);
+            stop.setAttributeNS(null, "stop-color", colorStop[1]);
+            gradient.appendChild(stop);
+          }
+
+          this.defs.appendChild(gradient);
+          return `url(#${shadingId})`;
+
+        case "Mesh":
+          (0, _util.warn)("Unimplemented pattern Mesh");
+          return null;
+
+        case "Dummy":
+          return "hotpink";
+
+        default:
+          throw new Error(`Unknown IR type: ${args[0]}`);
+      }
+    }
+
+    setDash(dashArray, dashPhase) {
+      this.current.dashArray = dashArray;
+      this.current.dashPhase = dashPhase;
+    }
+
+    constructPath(ops, args) {
+      const current = this.current;
+      let x = current.x,
+          y = current.y;
+      let d = [];
+      let j = 0;
+
+      for (const op of ops) {
+        switch (op | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            const width = args[j++];
+            const height = args[j++];
+            const xw = x + width;
+            const yh = y + height;
+            d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            d.push("M", pf(x), pf(y));
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            d.push("L", pf(x), pf(y));
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            d.push("Z");
+            break;
+        }
+      }
+
+      d = d.join(" ");
+
+      if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
+        d = current.path.getAttributeNS(null, "d") + d;
+      } else {
+        current.path = this.svgFactory.createElement("svg:path");
+
+        this._ensureTransformGroup().appendChild(current.path);
+      }
+
+      current.path.setAttributeNS(null, "d", d);
+      current.path.setAttributeNS(null, "fill", "none");
+      current.element = current.path;
+      current.setCurrentPoint(x, y);
+    }
+
+    endPath() {
+      const current = this.current;
+      current.path = null;
+
+      if (!this.pendingClip) {
+        return;
+      }
+
+      if (!current.element) {
+        this.pendingClip = null;
+        return;
+      }
+
+      const clipId = `clippath${clipCount++}`;
+      const clipPath = this.svgFactory.createElement("svg:clipPath");
+      clipPath.setAttributeNS(null, "id", clipId);
+      clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
+      const clipElement = current.element.cloneNode(true);
+
+      if (this.pendingClip === "evenodd") {
+        clipElement.setAttributeNS(null, "clip-rule", "evenodd");
+      } else {
+        clipElement.setAttributeNS(null, "clip-rule", "nonzero");
+      }
+
+      this.pendingClip = null;
+      clipPath.appendChild(clipElement);
+      this.defs.appendChild(clipPath);
+
+      if (current.activeClipUrl) {
+        current.clipGroup = null;
+        this.extraStack.forEach(function (prev) {
+          prev.clipGroup = null;
+        });
+        clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
+      }
+
+      current.activeClipUrl = `url(#${clipId})`;
+      this.tgrp = null;
+    }
+
+    clip(type) {
+      this.pendingClip = type;
+    }
+
+    closePath() {
+      const current = this.current;
+
+      if (current.path) {
+        const d = `${current.path.getAttributeNS(null, "d")}Z`;
+        current.path.setAttributeNS(null, "d", d);
+      }
+    }
+
+    setLeading(leading) {
+      this.current.leading = -leading;
+    }
+
+    setTextRise(textRise) {
+      this.current.textRise = textRise;
+    }
+
+    setTextRenderingMode(textRenderingMode) {
+      this.current.textRenderingMode = textRenderingMode;
+    }
+
+    setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    }
+
+    setRenderingIntent(intent) {}
+
+    setFlatness(flatness) {}
+
+    setGState(states) {
+      for (const [key, value] of states) {
+        switch (key) {
+          case "LW":
+            this.setLineWidth(value);
+            break;
+
+          case "LC":
+            this.setLineCap(value);
+            break;
+
+          case "LJ":
+            this.setLineJoin(value);
+            break;
+
+          case "ML":
+            this.setMiterLimit(value);
+            break;
+
+          case "D":
+            this.setDash(value[0], value[1]);
+            break;
+
+          case "RI":
+            this.setRenderingIntent(value);
+            break;
+
+          case "FL":
+            this.setFlatness(value);
+            break;
+
+          case "Font":
+            this.setFont(value);
+            break;
+
+          case "CA":
+            this.setStrokeAlpha(value);
+            break;
+
+          case "ca":
+            this.setFillAlpha(value);
+            break;
+
+          default:
+            (0, _util.warn)(`Unimplemented graphic state operator ${key}`);
+            break;
+        }
+      }
+    }
+
+    fill() {
+      const current = this.current;
+
+      if (current.element) {
+        current.element.setAttributeNS(null, "fill", current.fillColor);
+        current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+        this.endPath();
+      }
+    }
+
+    stroke() {
+      const current = this.current;
+
+      if (current.element) {
+        this._setStrokeAttributes(current.element);
+
+        current.element.setAttributeNS(null, "fill", "none");
+        this.endPath();
+      }
+    }
+
+    _setStrokeAttributes(element, lineWidthScale = 1) {
+      const current = this.current;
+      let dashArray = current.dashArray;
+
+      if (lineWidthScale !== 1 && dashArray.length > 0) {
+        dashArray = dashArray.map(function (value) {
+          return lineWidthScale * value;
+        });
+      }
+
+      element.setAttributeNS(null, "stroke", current.strokeColor);
+      element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
+      element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
+      element.setAttributeNS(null, "stroke-linecap", current.lineCap);
+      element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
+      element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
+      element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
+      element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
+    }
+
+    eoFill() {
+      if (this.current.element) {
+        this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+      }
+
+      this.fill();
+    }
+
+    fillStroke() {
+      this.stroke();
+      this.fill();
+    }
+
+    eoFillStroke() {
+      if (this.current.element) {
+        this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+      }
+
+      this.fillStroke();
+    }
+
+    closeStroke() {
+      this.closePath();
+      this.stroke();
+    }
+
+    closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    }
+
+    closeEOFillStroke() {
+      this.closePath();
+      this.eoFillStroke();
+    }
+
+    paintSolidColorImageMask() {
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", "0");
+      rect.setAttributeNS(null, "y", "0");
+      rect.setAttributeNS(null, "width", "1px");
+      rect.setAttributeNS(null, "height", "1px");
+      rect.setAttributeNS(null, "fill", this.current.fillColor);
+
+      this._ensureTransformGroup().appendChild(rect);
+    }
+
+    paintImageXObject(objId) {
+      const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    }
+
+    paintInlineImageXObject(imgData, mask) {
+      const width = imgData.width;
+      const height = imgData.height;
+      const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
+      const cliprect = this.svgFactory.createElement("svg:rect");
+      cliprect.setAttributeNS(null, "x", "0");
+      cliprect.setAttributeNS(null, "y", "0");
+      cliprect.setAttributeNS(null, "width", pf(width));
+      cliprect.setAttributeNS(null, "height", pf(height));
+      this.current.element = cliprect;
+      this.clip("nonzero");
+      const imgEl = this.svgFactory.createElement("svg:image");
+      imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
+      imgEl.setAttributeNS(null, "x", "0");
+      imgEl.setAttributeNS(null, "y", pf(-height));
+      imgEl.setAttributeNS(null, "width", pf(width) + "px");
+      imgEl.setAttributeNS(null, "height", pf(height) + "px");
+      imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
+
+      if (mask) {
+        mask.appendChild(imgEl);
+      } else {
+        this._ensureTransformGroup().appendChild(imgEl);
+      }
+    }
+
+    paintImageMaskXObject(imgData) {
+      const current = this.current;
+      const width = imgData.width;
+      const height = imgData.height;
+      const fillColor = current.fillColor;
+      current.maskId = `mask${maskCount++}`;
+      const mask = this.svgFactory.createElement("svg:mask");
+      mask.setAttributeNS(null, "id", current.maskId);
+      const rect = this.svgFactory.createElement("svg:rect");
+      rect.setAttributeNS(null, "x", "0");
+      rect.setAttributeNS(null, "y", "0");
+      rect.setAttributeNS(null, "width", pf(width));
+      rect.setAttributeNS(null, "height", pf(height));
+      rect.setAttributeNS(null, "fill", fillColor);
+      rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
+      this.defs.appendChild(mask);
+
+      this._ensureTransformGroup().appendChild(rect);
+
+      this.paintInlineImageXObject(imgData, mask);
+    }
+
+    paintFormXObjectBegin(matrix, bbox) {
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
+      }
+
+      if (bbox) {
+        const width = bbox[2] - bbox[0];
+        const height = bbox[3] - bbox[1];
+        const cliprect = this.svgFactory.createElement("svg:rect");
+        cliprect.setAttributeNS(null, "x", bbox[0]);
+        cliprect.setAttributeNS(null, "y", bbox[1]);
+        cliprect.setAttributeNS(null, "width", pf(width));
+        cliprect.setAttributeNS(null, "height", pf(height));
+        this.current.element = cliprect;
+        this.clip("nonzero");
+        this.endPath();
+      }
+    }
+
+    paintFormXObjectEnd() {}
+
+    _initialize(viewport) {
+      const svg = this.svgFactory.create(viewport.width, viewport.height);
+      const definitions = this.svgFactory.createElement("svg:defs");
+      svg.appendChild(definitions);
+      this.defs = definitions;
+      const rootGroup = this.svgFactory.createElement("svg:g");
+      rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
+      svg.appendChild(rootGroup);
+      this.svg = rootGroup;
+      return svg;
+    }
+
+    _ensureClipGroup() {
+      if (!this.current.clipGroup) {
+        const clipGroup = this.svgFactory.createElement("svg:g");
+        clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
+        this.svg.appendChild(clipGroup);
+        this.current.clipGroup = clipGroup;
+      }
+
+      return this.current.clipGroup;
+    }
+
+    _ensureTransformGroup() {
+      if (!this.tgrp) {
+        this.tgrp = this.svgFactory.createElement("svg:g");
+        this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
+
+        if (this.current.activeClipUrl) {
+          this._ensureClipGroup().appendChild(this.tgrp);
+        } else {
+          this.svg.appendChild(this.tgrp);
+        }
+      }
+
+      return this.tgrp;
+    }
+
+  };
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/text_layer.js b/node_modules/pdfjs-dist/lib/display/text_layer.js
new file mode 100644
index 00000000..6681d0ea
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/text_layer.js
@@ -0,0 +1,713 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.renderTextLayer = void 0;
+
+var _util = require("../shared/util.js");
+
+var renderTextLayer = function renderTextLayerClosure() {
+  var MAX_TEXT_DIVS_TO_RENDER = 100000;
+  var NonWhitespaceRegexp = /\S/;
+
+  function isAllWhitespace(str) {
+    return !NonWhitespaceRegexp.test(str);
+  }
+
+  function appendText(task, geom, styles) {
+    var textDiv = document.createElement("span");
+    var textDivProperties = {
+      angle: 0,
+      canvasWidth: 0,
+      isWhitespace: false,
+      originalTransform: null,
+      paddingBottom: 0,
+      paddingLeft: 0,
+      paddingRight: 0,
+      paddingTop: 0,
+      scale: 1
+    };
+
+    task._textDivs.push(textDiv);
+
+    if (isAllWhitespace(geom.str)) {
+      textDivProperties.isWhitespace = true;
+
+      task._textDivProperties.set(textDiv, textDivProperties);
+
+      return;
+    }
+
+    var tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+    var angle = Math.atan2(tx[1], tx[0]);
+    var style = styles[geom.fontName];
+
+    if (style.vertical) {
+      angle += Math.PI / 2;
+    }
+
+    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
+    var fontAscent = fontHeight;
+
+    if (style.ascent) {
+      fontAscent = style.ascent * fontAscent;
+    } else if (style.descent) {
+      fontAscent = (1 + style.descent) * fontAscent;
+    }
+
+    let left, top;
+
+    if (angle === 0) {
+      left = tx[4];
+      top = tx[5] - fontAscent;
+    } else {
+      left = tx[4] + fontAscent * Math.sin(angle);
+      top = tx[5] - fontAscent * Math.cos(angle);
+    }
+
+    textDiv.style.left = `${left}px`;
+    textDiv.style.top = `${top}px`;
+    textDiv.style.fontSize = `${fontHeight}px`;
+    textDiv.style.fontFamily = style.fontFamily;
+    textDiv.textContent = geom.str;
+
+    if (task._fontInspectorEnabled) {
+      textDiv.dataset.fontName = geom.fontName;
+    }
+
+    if (angle !== 0) {
+      textDivProperties.angle = angle * (180 / Math.PI);
+    }
+
+    let shouldScaleText = false;
+
+    if (geom.str.length > 1) {
+      shouldScaleText = true;
+    } else if (geom.transform[0] !== geom.transform[3]) {
+      const absScaleX = Math.abs(geom.transform[0]),
+            absScaleY = Math.abs(geom.transform[3]);
+
+      if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
+        shouldScaleText = true;
+      }
+    }
+
+    if (shouldScaleText) {
+      if (style.vertical) {
+        textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+      } else {
+        textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+      }
+    }
+
+    task._textDivProperties.set(textDiv, textDivProperties);
+
+    if (task._textContentStream) {
+      task._layoutText(textDiv);
+    }
+
+    if (task._enhanceTextSelection) {
+      var angleCos = 1,
+          angleSin = 0;
+
+      if (angle !== 0) {
+        angleCos = Math.cos(angle);
+        angleSin = Math.sin(angle);
+      }
+
+      var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+      var divHeight = fontHeight;
+      var m, b;
+
+      if (angle !== 0) {
+        m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+        b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+      } else {
+        b = [left, top, left + divWidth, top + divHeight];
+      }
+
+      task._bounds.push({
+        left: b[0],
+        top: b[1],
+        right: b[2],
+        bottom: b[3],
+        div: textDiv,
+        size: [divWidth, divHeight],
+        m
+      });
+    }
+  }
+
+  function render(task) {
+    if (task._canceled) {
+      return;
+    }
+
+    var textDivs = task._textDivs;
+    var capability = task._capability;
+    var textDivsLength = textDivs.length;
+
+    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+      task._renderingDone = true;
+      capability.resolve();
+      return;
+    }
+
+    if (!task._textContentStream) {
+      for (var i = 0; i < textDivsLength; i++) {
+        task._layoutText(textDivs[i]);
+      }
+    }
+
+    task._renderingDone = true;
+    capability.resolve();
+  }
+
+  function findPositiveMin(ts, offset, count) {
+    let result = 0;
+
+    for (let i = 0; i < count; i++) {
+      const t = ts[offset++];
+
+      if (t > 0) {
+        result = result ? Math.min(t, result) : t;
+      }
+    }
+
+    return result;
+  }
+
+  function expand(task) {
+    var bounds = task._bounds;
+    var viewport = task._viewport;
+    var expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+    for (var i = 0; i < expanded.length; i++) {
+      var div = bounds[i].div;
+
+      var divProperties = task._textDivProperties.get(div);
+
+      if (divProperties.angle === 0) {
+        divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+        divProperties.paddingTop = bounds[i].top - expanded[i].top;
+        divProperties.paddingRight = expanded[i].right - bounds[i].right;
+        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+        task._textDivProperties.set(div, divProperties);
+
+        continue;
+      }
+
+      var e = expanded[i],
+          b = bounds[i];
+      var m = b.m,
+          c = m[0],
+          s = m[1];
+      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+      var ts = new Float64Array(64);
+      points.forEach(function (p, j) {
+        var t = _util.Util.applyTransform(p, m);
+
+        ts[j + 0] = c && (e.left - t[0]) / c;
+        ts[j + 4] = s && (e.top - t[1]) / s;
+        ts[j + 8] = c && (e.right - t[0]) / c;
+        ts[j + 12] = s && (e.bottom - t[1]) / s;
+        ts[j + 16] = s && (e.left - t[0]) / -s;
+        ts[j + 20] = c && (e.top - t[1]) / c;
+        ts[j + 24] = s && (e.right - t[0]) / -s;
+        ts[j + 28] = c && (e.bottom - t[1]) / c;
+        ts[j + 32] = c && (e.left - t[0]) / -c;
+        ts[j + 36] = s && (e.top - t[1]) / -s;
+        ts[j + 40] = c && (e.right - t[0]) / -c;
+        ts[j + 44] = s && (e.bottom - t[1]) / -s;
+        ts[j + 48] = s && (e.left - t[0]) / s;
+        ts[j + 52] = c && (e.top - t[1]) / -c;
+        ts[j + 56] = s && (e.right - t[0]) / s;
+        ts[j + 60] = c && (e.bottom - t[1]) / -c;
+      });
+      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+      task._textDivProperties.set(div, divProperties);
+    }
+  }
+
+  function expandBounds(width, height, boxes) {
+    var bounds = boxes.map(function (box, i) {
+      return {
+        x1: box.left,
+        y1: box.top,
+        x2: box.right,
+        y2: box.bottom,
+        index: i,
+        x1New: undefined,
+        x2New: undefined
+      };
+    });
+    expandBoundsLTR(width, bounds);
+    var expanded = new Array(boxes.length);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i] = {
+        left: b.x1New,
+        top: 0,
+        right: b.x2New,
+        bottom: 0
+      };
+    });
+    boxes.map(function (box, i) {
+      var e = expanded[i],
+          b = bounds[i];
+      b.x1 = box.top;
+      b.y1 = width - e.right;
+      b.x2 = box.bottom;
+      b.y2 = width - e.left;
+      b.index = i;
+      b.x1New = undefined;
+      b.x2New = undefined;
+    });
+    expandBoundsLTR(height, bounds);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i].top = b.x1New;
+      expanded[i].bottom = b.x2New;
+    });
+    return expanded;
+  }
+
+  function expandBoundsLTR(width, bounds) {
+    bounds.sort(function (a, b) {
+      return a.x1 - b.x1 || a.index - b.index;
+    });
+    var fakeBoundary = {
+      x1: -Infinity,
+      y1: -Infinity,
+      x2: 0,
+      y2: Infinity,
+      index: -1,
+      x1New: 0,
+      x2New: 0
+    };
+    var horizon = [{
+      start: -Infinity,
+      end: Infinity,
+      boundary: fakeBoundary
+    }];
+    bounds.forEach(function (boundary) {
+      var i = 0;
+
+      while (i < horizon.length && horizon[i].end <= boundary.y1) {
+        i++;
+      }
+
+      var j = horizon.length - 1;
+
+      while (j >= 0 && horizon[j].start >= boundary.y2) {
+        j--;
+      }
+
+      var horizonPart, affectedBoundary;
+      var q,
+          k,
+          maxXNew = -Infinity;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var xNew;
+
+        if (affectedBoundary.x2 > boundary.x1) {
+          xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+        } else if (affectedBoundary.x2New === undefined) {
+          xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+        } else {
+          xNew = affectedBoundary.x2New;
+        }
+
+        if (xNew > maxXNew) {
+          maxXNew = xNew;
+        }
+      }
+
+      boundary.x1New = maxXNew;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New === undefined) {
+          if (affectedBoundary.x2 > boundary.x1) {
+            if (affectedBoundary.index > boundary.index) {
+              affectedBoundary.x2New = affectedBoundary.x2;
+            }
+          } else {
+            affectedBoundary.x2New = maxXNew;
+          }
+        } else if (affectedBoundary.x2New > maxXNew) {
+          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+        }
+      }
+
+      var changedHorizon = [],
+          lastBoundary = null;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+        if (lastBoundary === useBoundary) {
+          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+        } else {
+          changedHorizon.push({
+            start: horizonPart.start,
+            end: horizonPart.end,
+            boundary: useBoundary
+          });
+          lastBoundary = useBoundary;
+        }
+      }
+
+      if (horizon[i].start < boundary.y1) {
+        changedHorizon[0].start = boundary.y1;
+        changedHorizon.unshift({
+          start: horizon[i].start,
+          end: boundary.y1,
+          boundary: horizon[i].boundary
+        });
+      }
+
+      if (boundary.y2 < horizon[j].end) {
+        changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+        changedHorizon.push({
+          start: boundary.y2,
+          end: horizon[j].end,
+          boundary: horizon[j].boundary
+        });
+      }
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New !== undefined) {
+          continue;
+        }
+
+        var used = false;
+
+        for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = 0; !used && k < changedHorizon.length; k++) {
+          used = changedHorizon[k].boundary === affectedBoundary;
+        }
+
+        if (!used) {
+          affectedBoundary.x2New = maxXNew;
+        }
+      }
+
+      Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
+    });
+    horizon.forEach(function (horizonPart) {
+      var affectedBoundary = horizonPart.boundary;
+
+      if (affectedBoundary.x2New === undefined) {
+        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+      }
+    });
+  }
+
+  function TextLayerRenderTask({
+    textContent,
+    textContentStream,
+    container,
+    viewport,
+    textDivs,
+    textContentItemsStr,
+    enhanceTextSelection
+  }) {
+    this._textContent = textContent;
+    this._textContentStream = textContentStream;
+    this._container = container;
+    this._document = container.ownerDocument;
+    this._viewport = viewport;
+    this._textDivs = textDivs || [];
+    this._textContentItemsStr = textContentItemsStr || [];
+    this._enhanceTextSelection = !!enhanceTextSelection;
+    this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.FontInspector.enabled);
+    this._reader = null;
+    this._layoutTextLastFontSize = null;
+    this._layoutTextLastFontFamily = null;
+    this._layoutTextCtx = null;
+    this._textDivProperties = new WeakMap();
+    this._renderingDone = false;
+    this._canceled = false;
+    this._capability = (0, _util.createPromiseCapability)();
+    this._renderTimer = null;
+    this._bounds = [];
+
+    this._capability.promise.finally(() => {
+      if (this._layoutTextCtx) {
+        this._layoutTextCtx.canvas.width = 0;
+        this._layoutTextCtx.canvas.height = 0;
+        this._layoutTextCtx = null;
+      }
+    }).catch(() => {});
+  }
+
+  TextLayerRenderTask.prototype = {
+    get promise() {
+      return this._capability.promise;
+    },
+
+    cancel: function TextLayer_cancel() {
+      this._canceled = true;
+
+      if (this._reader) {
+        this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
+
+        this._reader = null;
+      }
+
+      if (this._renderTimer !== null) {
+        clearTimeout(this._renderTimer);
+        this._renderTimer = null;
+      }
+
+      this._capability.reject(new Error("TextLayer task cancelled."));
+    },
+
+    _processItems(items, styleCache) {
+      for (let i = 0, len = items.length; i < len; i++) {
+        this._textContentItemsStr.push(items[i].str);
+
+        appendText(this, items[i], styleCache);
+      }
+    },
+
+    _layoutText(textDiv) {
+      const textDivProperties = this._textDivProperties.get(textDiv);
+
+      if (textDivProperties.isWhitespace) {
+        return;
+      }
+
+      let transform = "";
+
+      if (textDivProperties.canvasWidth !== 0) {
+        const {
+          fontSize,
+          fontFamily
+        } = textDiv.style;
+
+        if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+          this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
+          this._layoutTextLastFontSize = fontSize;
+          this._layoutTextLastFontFamily = fontFamily;
+        }
+
+        const {
+          width
+        } = this._layoutTextCtx.measureText(textDiv.textContent);
+
+        if (width > 0) {
+          textDivProperties.scale = textDivProperties.canvasWidth / width;
+          transform = `scaleX(${textDivProperties.scale})`;
+        }
+      }
+
+      if (textDivProperties.angle !== 0) {
+        transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
+      }
+
+      if (transform.length > 0) {
+        if (this._enhanceTextSelection) {
+          textDivProperties.originalTransform = transform;
+        }
+
+        textDiv.style.transform = transform;
+      }
+
+      this._textDivProperties.set(textDiv, textDivProperties);
+
+      this._container.appendChild(textDiv);
+    },
+
+    _render: function TextLayer_render(timeout) {
+      const capability = (0, _util.createPromiseCapability)();
+      let styleCache = Object.create(null);
+
+      const canvas = this._document.createElement("canvas");
+
+      canvas.mozOpaque = true;
+      this._layoutTextCtx = canvas.getContext("2d", {
+        alpha: false
+      });
+
+      if (this._textContent) {
+        const textItems = this._textContent.items;
+        const textStyles = this._textContent.styles;
+
+        this._processItems(textItems, textStyles);
+
+        capability.resolve();
+      } else if (this._textContentStream) {
+        const pump = () => {
+          this._reader.read().then(({
+            value,
+            done
+          }) => {
+            if (done) {
+              capability.resolve();
+              return;
+            }
+
+            Object.assign(styleCache, value.styles);
+
+            this._processItems(value.items, styleCache);
+
+            pump();
+          }, capability.reject);
+        };
+
+        this._reader = this._textContentStream.getReader();
+        pump();
+      } else {
+        throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified.");
+      }
+
+      capability.promise.then(() => {
+        styleCache = null;
+
+        if (!timeout) {
+          render(this);
+        } else {
+          this._renderTimer = setTimeout(() => {
+            render(this);
+            this._renderTimer = null;
+          }, timeout);
+        }
+      }, this._capability.reject);
+    },
+    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+      if (!this._enhanceTextSelection || !this._renderingDone) {
+        return;
+      }
+
+      if (this._bounds !== null) {
+        expand(this);
+        this._bounds = null;
+      }
+
+      const transformBuf = [],
+            paddingBuf = [];
+
+      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
+        const div = this._textDivs[i];
+
+        const divProps = this._textDivProperties.get(div);
+
+        if (divProps.isWhitespace) {
+          continue;
+        }
+
+        if (expandDivs) {
+          transformBuf.length = 0;
+          paddingBuf.length = 0;
+
+          if (divProps.originalTransform) {
+            transformBuf.push(divProps.originalTransform);
+          }
+
+          if (divProps.paddingTop > 0) {
+            paddingBuf.push(`${divProps.paddingTop}px`);
+            transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingRight > 0) {
+            paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingBottom > 0) {
+            paddingBuf.push(`${divProps.paddingBottom}px`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          if (divProps.paddingLeft > 0) {
+            paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
+            transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
+          } else {
+            paddingBuf.push(0);
+          }
+
+          div.style.padding = paddingBuf.join(" ");
+
+          if (transformBuf.length) {
+            div.style.transform = transformBuf.join(" ");
+          }
+        } else {
+          div.style.padding = null;
+          div.style.transform = divProps.originalTransform;
+        }
+      }
+    }
+  };
+
+  function renderTextLayer(renderParameters) {
+    var task = new TextLayerRenderTask({
+      textContent: renderParameters.textContent,
+      textContentStream: renderParameters.textContentStream,
+      container: renderParameters.container,
+      viewport: renderParameters.viewport,
+      textDivs: renderParameters.textDivs,
+      textContentItemsStr: renderParameters.textContentItemsStr,
+      enhanceTextSelection: renderParameters.enhanceTextSelection
+    });
+
+    task._render(renderParameters.timeout);
+
+    return task;
+  }
+
+  return renderTextLayer;
+}();
+
+exports.renderTextLayer = renderTextLayer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/transport_stream.js b/node_modules/pdfjs-dist/lib/display/transport_stream.js
new file mode 100644
index 00000000..f9ce5114
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/transport_stream.js
@@ -0,0 +1,370 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDataTransportStream = void 0;
+
+var _util = require("../shared/util.js");
+
+class PDFDataTransportStream {
+  constructor(params, pdfDataRangeTransport) {
+    (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
+    this._queuedChunks = [];
+    this._progressiveDone = params.progressiveDone || false;
+    const initialData = params.initialData;
+
+    if (initialData && initialData.length > 0) {
+      const buffer = new Uint8Array(initialData).buffer;
+
+      this._queuedChunks.push(buffer);
+    }
+
+    this._pdfDataRangeTransport = pdfDataRangeTransport;
+    this._isStreamingSupported = !params.disableStream;
+    this._isRangeSupported = !params.disableRange;
+    this._contentLength = params.length;
+    this._fullRequestReader = null;
+    this._rangeReaders = [];
+
+    this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
+      this._onReceiveData({
+        begin,
+        chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
+      this._onProgress({
+        loaded,
+        total
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
+      this._onReceiveData({
+        chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
+      this._onProgressiveDone();
+    });
+
+    this._pdfDataRangeTransport.transportReady();
+  }
+
+  _onReceiveData(args) {
+    const buffer = new Uint8Array(args.chunk).buffer;
+
+    if (args.begin === undefined) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader._enqueue(buffer);
+      } else {
+        this._queuedChunks.push(buffer);
+      }
+    } else {
+      const found = this._rangeReaders.some(function (rangeReader) {
+        if (rangeReader._begin !== args.begin) {
+          return false;
+        }
+
+        rangeReader._enqueue(buffer);
+
+        return true;
+      });
+
+      (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
+    }
+  }
+
+  get _progressiveDataLength() {
+    return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+  }
+
+  _onProgress(evt) {
+    if (evt.total === undefined) {
+      const firstReader = this._rangeReaders[0];
+
+      if (firstReader && firstReader.onProgress) {
+        firstReader.onProgress({
+          loaded: evt.loaded
+        });
+      }
+    } else {
+      const fullReader = this._fullRequestReader;
+
+      if (fullReader && fullReader.onProgress) {
+        fullReader.onProgress({
+          loaded: evt.loaded,
+          total: evt.total
+        });
+      }
+    }
+  }
+
+  _onProgressiveDone() {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.progressiveDone();
+    }
+
+    this._progressiveDone = true;
+  }
+
+  _removeRangeReader(reader) {
+    const i = this._rangeReaders.indexOf(reader);
+
+    if (i >= 0) {
+      this._rangeReaders.splice(i, 1);
+    }
+  }
+
+  getFullReader() {
+    (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
+    const queuedChunks = this._queuedChunks;
+    this._queuedChunks = null;
+    return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
+  }
+
+  getRangeReader(begin, end) {
+    if (end <= this._progressiveDataLength) {
+      return null;
+    }
+
+    const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
+
+    this._pdfDataRangeTransport.requestDataRange(begin, end);
+
+    this._rangeReaders.push(reader);
+
+    return reader;
+  }
+
+  cancelAllRequests(reason) {
+    if (this._fullRequestReader) {
+      this._fullRequestReader.cancel(reason);
+    }
+
+    const readers = this._rangeReaders.slice(0);
+
+    readers.forEach(function (rangeReader) {
+      rangeReader.cancel(reason);
+    });
+
+    this._pdfDataRangeTransport.abort();
+  }
+
+}
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+class PDFDataTransportStreamReader {
+  constructor(stream, queuedChunks, progressiveDone = false) {
+    this._stream = stream;
+    this._done = progressiveDone || false;
+    this._filename = null;
+    this._queuedChunks = queuedChunks || [];
+    this._loaded = 0;
+
+    for (const chunk of this._queuedChunks) {
+      this._loaded += chunk.byteLength;
+    }
+
+    this._requests = [];
+    this._headersReady = Promise.resolve();
+    stream._fullRequestReader = this;
+    this.onProgress = null;
+  }
+
+  _enqueue(chunk) {
+    if (this._done) {
+      return;
+    }
+
+    if (this._requests.length > 0) {
+      const requestCapability = this._requests.shift();
+
+      requestCapability.resolve({
+        value: chunk,
+        done: false
+      });
+    } else {
+      this._queuedChunks.push(chunk);
+    }
+
+    this._loaded += chunk.byteLength;
+  }
+
+  get headersReady() {
+    return this._headersReady;
+  }
+
+  get filename() {
+    return this._filename;
+  }
+
+  get isRangeSupported() {
+    return this._stream._isRangeSupported;
+  }
+
+  get isStreamingSupported() {
+    return this._stream._isStreamingSupported;
+  }
+
+  get contentLength() {
+    return this._stream._contentLength;
+  }
+
+  async read() {
+    if (this._queuedChunks.length > 0) {
+      const chunk = this._queuedChunks.shift();
+
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+  }
+
+  progressiveDone() {
+    if (this._done) {
+      return;
+    }
+
+    this._done = true;
+  }
+
+}
+
+class PDFDataTransportStreamRangeReader {
+  constructor(stream, begin, end) {
+    this._stream = stream;
+    this._begin = begin;
+    this._end = end;
+    this._queuedChunk = null;
+    this._requests = [];
+    this._done = false;
+    this.onProgress = null;
+  }
+
+  _enqueue(chunk) {
+    if (this._done) {
+      return;
+    }
+
+    if (this._requests.length === 0) {
+      this._queuedChunk = chunk;
+    } else {
+      const requestsCapability = this._requests.shift();
+
+      requestsCapability.resolve({
+        value: chunk,
+        done: false
+      });
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+
+    this._done = true;
+
+    this._stream._removeRangeReader(this);
+  }
+
+  get isStreamingSupported() {
+    return false;
+  }
+
+  async read() {
+    if (this._queuedChunk) {
+      const chunk = this._queuedChunk;
+      this._queuedChunk = null;
+      return {
+        value: chunk,
+        done: false
+      };
+    }
+
+    if (this._done) {
+      return {
+        value: undefined,
+        done: true
+      };
+    }
+
+    const requestCapability = (0, _util.createPromiseCapability)();
+
+    this._requests.push(requestCapability);
+
+    return requestCapability.promise;
+  }
+
+  cancel(reason) {
+    this._done = true;
+
+    this._requests.forEach(function (requestCapability) {
+      requestCapability.resolve({
+        value: undefined,
+        done: true
+      });
+    });
+
+    this._requests = [];
+
+    this._stream._removeRangeReader(this);
+  }
+
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/webgl.js b/node_modules/pdfjs-dist/lib/display/webgl.js
new file mode 100644
index 00000000..926b077f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/webgl.js
@@ -0,0 +1,462 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WebGLContext = void 0;
+
+var _util = require("../shared/util.js");
+
+class WebGLContext {
+  constructor({
+    enable = false
+  }) {
+    this._enabled = enable === true;
+  }
+
+  get isEnabled() {
+    let enabled = this._enabled;
+
+    if (enabled) {
+      enabled = WebGLUtils.tryInitGL();
+    }
+
+    return (0, _util.shadow)(this, "isEnabled", enabled);
+  }
+
+  composeSMask({
+    layer,
+    mask,
+    properties
+  }) {
+    return WebGLUtils.composeSMask(layer, mask, properties);
+  }
+
+  drawFigures({
+    width,
+    height,
+    backgroundColor,
+    figures,
+    context
+  }) {
+    return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
+  }
+
+  clear() {
+    WebGLUtils.cleanup();
+  }
+
+}
+
+exports.WebGLContext = WebGLContext;
+
+var WebGLUtils = function WebGLUtilsClosure() {
+  function loadShader(gl, code, shaderType) {
+    var shader = gl.createShader(shaderType);
+    gl.shaderSource(shader, code);
+    gl.compileShader(shader);
+    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+
+    if (!compiled) {
+      var errorMsg = gl.getShaderInfoLog(shader);
+      throw new Error("Error during shader compilation: " + errorMsg);
+    }
+
+    return shader;
+  }
+
+  function createVertexShader(gl, code) {
+    return loadShader(gl, code, gl.VERTEX_SHADER);
+  }
+
+  function createFragmentShader(gl, code) {
+    return loadShader(gl, code, gl.FRAGMENT_SHADER);
+  }
+
+  function createProgram(gl, shaders) {
+    var program = gl.createProgram();
+
+    for (var i = 0, ii = shaders.length; i < ii; ++i) {
+      gl.attachShader(program, shaders[i]);
+    }
+
+    gl.linkProgram(program);
+    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+
+    if (!linked) {
+      var errorMsg = gl.getProgramInfoLog(program);
+      throw new Error("Error during program linking: " + errorMsg);
+    }
+
+    return program;
+  }
+
+  function createTexture(gl, image, textureId) {
+    gl.activeTexture(textureId);
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+    return texture;
+  }
+
+  var currentGL, currentCanvas;
+
+  function generateGL() {
+    if (currentGL) {
+      return;
+    }
+
+    currentCanvas = document.createElement("canvas");
+    currentGL = currentCanvas.getContext("webgl", {
+      premultipliedalpha: false
+    });
+  }
+
+  var smaskVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec2 a_texCoord;                                    \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_texCoord = a_texCoord;                                    \
+  }                                                             ";
+  var smaskFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  uniform vec4 u_backdrop;                                      \
+  uniform int u_subtype;                                        \
+  uniform sampler2D u_image;                                    \
+  uniform sampler2D u_mask;                                     \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec4 imageColor = texture2D(u_image, v_texCoord);           \
+    vec4 maskColor = texture2D(u_mask, v_texCoord);             \
+    if (u_backdrop.a > 0.0) {                                   \
+      maskColor.rgb = maskColor.rgb * maskColor.a +             \
+                      u_backdrop.rgb * (1.0 - maskColor.a);     \
+    }                                                           \
+    float lum;                                                  \
+    if (u_subtype == 0) {                                       \
+      lum = maskColor.a;                                        \
+    } else {                                                    \
+      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \
+            maskColor.b * 0.11;                                 \
+    }                                                           \
+    imageColor.a *= lum;                                        \
+    imageColor.rgb *= imageColor.a;                             \
+    gl_FragColor = imageColor;                                  \
+  }                                                             ";
+  var smaskCache = null;
+
+  function initSmaskGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.backdropLocation = gl.getUniformLocation(program, "u_backdrop");
+    cache.subtypeLocation = gl.getUniformLocation(program, "u_subtype");
+    var texCoordLocation = gl.getAttribLocation(program, "a_texCoord");
+    var texLayerLocation = gl.getUniformLocation(program, "u_image");
+    var texMaskLocation = gl.getUniformLocation(program, "u_mask");
+    var texCoordBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(texCoordLocation);
+    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.uniform1i(texLayerLocation, 0);
+    gl.uniform1i(texMaskLocation, 1);
+    smaskCache = cache;
+  }
+
+  function composeSMask(layer, mask, properties) {
+    var width = layer.width,
+        height = layer.height;
+
+    if (!smaskCache) {
+      initSmaskGL();
+    }
+
+    var cache = smaskCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+
+    if (properties.backdrop) {
+      gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
+    } else {
+      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+    }
+
+    gl.uniform1i(cache.subtypeLocation, properties.subtype === "Luminosity" ? 1 : 0);
+    var texture = createTexture(gl, layer, gl.TEXTURE0);
+    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+    var buffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.clearColor(0, 0, 0, 0);
+    gl.enable(gl.BLEND);
+    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    gl.flush();
+    gl.deleteTexture(texture);
+    gl.deleteTexture(maskTexture);
+    gl.deleteBuffer(buffer);
+    return canvas;
+  }
+
+  var figuresVertexShaderCode = "\
+  attribute vec2 a_position;                                    \
+  attribute vec3 a_color;                                       \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+  uniform vec2 u_scale;                                         \
+  uniform vec2 u_offset;                                        \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    vec2 position = (a_position + u_offset) * u_scale;          \
+    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_color = vec4(a_color / 255.0, 1.0);                       \
+  }                                                             ";
+  var figuresFragmentShaderCode = "\
+  precision mediump float;                                      \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    gl_FragColor = v_color;                                     \
+  }                                                             ";
+  var figuresCache = null;
+
+  function initFiguresGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+    cache.scaleLocation = gl.getUniformLocation(program, "u_scale");
+    cache.offsetLocation = gl.getUniformLocation(program, "u_offset");
+    cache.positionLocation = gl.getAttribLocation(program, "a_position");
+    cache.colorLocation = gl.getAttribLocation(program, "a_color");
+    figuresCache = cache;
+  }
+
+  function drawFigures(width, height, backgroundColor, figures, context) {
+    if (!figuresCache) {
+      initFiguresGL();
+    }
+
+    var cache = figuresCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+    var count = 0;
+    var i, ii, rows;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      switch (figures[i].type) {
+        case "lattice":
+          rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
+          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+          break;
+
+        case "triangles":
+          count += figures[i].coords.length;
+          break;
+      }
+    }
+
+    var coords = new Float32Array(count * 2);
+    var colors = new Uint8Array(count * 3);
+    var coordsMap = context.coords,
+        colorsMap = context.colors;
+    var pIndex = 0,
+        cIndex = 0;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      switch (figure.type) {
+        case "lattice":
+          var cols = figure.verticesPerRow;
+          rows = ps.length / cols | 0;
+
+          for (var row = 1; row < rows; row++) {
+            var offset = row * cols + 1;
+
+            for (var col = 1; col < cols; col++, offset++) {
+              coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+              coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+              coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+              colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+              colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+              colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+              coords[pIndex + 6] = coords[pIndex + 2];
+              coords[pIndex + 7] = coords[pIndex + 3];
+              coords[pIndex + 8] = coords[pIndex + 4];
+              coords[pIndex + 9] = coords[pIndex + 5];
+              coords[pIndex + 10] = coordsMap[ps[offset]];
+              coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+              colors[cIndex + 9] = colors[cIndex + 3];
+              colors[cIndex + 10] = colors[cIndex + 4];
+              colors[cIndex + 11] = colors[cIndex + 5];
+              colors[cIndex + 12] = colors[cIndex + 6];
+              colors[cIndex + 13] = colors[cIndex + 7];
+              colors[cIndex + 14] = colors[cIndex + 8];
+              colors[cIndex + 15] = colorsMap[cs[offset]];
+              colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+              colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+              pIndex += 12;
+              cIndex += 18;
+            }
+          }
+
+          break;
+
+        case "triangles":
+          for (var j = 0, jj = ps.length; j < jj; j++) {
+            coords[pIndex] = coordsMap[ps[j]];
+            coords[pIndex + 1] = coordsMap[ps[j] + 1];
+            colors[cIndex] = colorsMap[cs[j]];
+            colors[cIndex + 1] = colorsMap[cs[j] + 1];
+            colors[cIndex + 2] = colorsMap[cs[j] + 2];
+            pIndex += 2;
+            cIndex += 3;
+          }
+
+          break;
+      }
+    }
+
+    if (backgroundColor) {
+      gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
+    } else {
+      gl.clearColor(0, 0, 0, 0);
+    }
+
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    var coordsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    var colorsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.colorLocation);
+    gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
+    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+    gl.drawArrays(gl.TRIANGLES, 0, count);
+    gl.flush();
+    gl.deleteBuffer(coordsBuffer);
+    gl.deleteBuffer(colorsBuffer);
+    return canvas;
+  }
+
+  return {
+    tryInitGL() {
+      try {
+        generateGL();
+        return !!currentGL;
+      } catch (ex) {}
+
+      return false;
+    },
+
+    composeSMask,
+    drawFigures,
+
+    cleanup() {
+      if (smaskCache && smaskCache.canvas) {
+        smaskCache.canvas.width = 0;
+        smaskCache.canvas.height = 0;
+      }
+
+      if (figuresCache && figuresCache.canvas) {
+        figuresCache.canvas.width = 0;
+        figuresCache.canvas.height = 0;
+      }
+
+      smaskCache = null;
+      figuresCache = null;
+    }
+
+  };
+}();
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/worker_options.js b/node_modules/pdfjs-dist/lib/display/worker_options.js
new file mode 100644
index 00000000..28b9c3ce
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/worker_options.js
@@ -0,0 +1,31 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalWorkerOptions = void 0;
+const GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/display/xml_parser.js b/node_modules/pdfjs-dist/lib/display/xml_parser.js
new file mode 100644
index 00000000..8ae89ca8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/display/xml_parser.js
@@ -0,0 +1,458 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleXMLParser = void 0;
+const XMLParserErrorCode = {
+  NoError: 0,
+  EndOfDocument: -1,
+  UnterminatedCdat: -2,
+  UnterminatedXmlDeclaration: -3,
+  UnterminatedDoctypeDeclaration: -4,
+  UnterminatedComment: -5,
+  MalformedElement: -6,
+  OutOfMemory: -7,
+  UnterminatedAttributeValue: -8,
+  UnterminatedElement: -9,
+  ElementNeverBegun: -10
+};
+
+function isWhitespace(s, index) {
+  const ch = s[index];
+  return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
+}
+
+function isWhitespaceString(s) {
+  for (let i = 0, ii = s.length; i < ii; i++) {
+    if (!isWhitespace(s, i)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+class XMLParserBase {
+  _resolveEntities(s) {
+    return s.replace(/&([^;]+);/g, (all, entity) => {
+      if (entity.substring(0, 2) === "#x") {
+        return String.fromCharCode(parseInt(entity.substring(2), 16));
+      } else if (entity.substring(0, 1) === "#") {
+        return String.fromCharCode(parseInt(entity.substring(1), 10));
+      }
+
+      switch (entity) {
+        case "lt":
+          return "<";
+
+        case "gt":
+          return ">";
+
+        case "amp":
+          return "&";
+
+        case "quot":
+          return '"';
+      }
+
+      return this.onResolveEntity(entity);
+    });
+  }
+
+  _parseContent(s, start) {
+    const attributes = [];
+    let pos = start;
+
+    function skipWs() {
+      while (pos < s.length && isWhitespace(s, pos)) {
+        ++pos;
+      }
+    }
+
+    while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+      ++pos;
+    }
+
+    const name = s.substring(start, pos);
+    skipWs();
+
+    while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
+      skipWs();
+      let attrName = "",
+          attrValue = "";
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
+        attrName += s[pos];
+        ++pos;
+      }
+
+      skipWs();
+
+      if (s[pos] !== "=") {
+        return null;
+      }
+
+      ++pos;
+      skipWs();
+      const attrEndChar = s[pos];
+
+      if (attrEndChar !== '"' && attrEndChar !== "'") {
+        return null;
+      }
+
+      const attrEndIndex = s.indexOf(attrEndChar, ++pos);
+
+      if (attrEndIndex < 0) {
+        return null;
+      }
+
+      attrValue = s.substring(pos, attrEndIndex);
+      attributes.push({
+        name: attrName,
+        value: this._resolveEntities(attrValue)
+      });
+      pos = attrEndIndex + 1;
+      skipWs();
+    }
+
+    return {
+      name,
+      attributes,
+      parsed: pos - start
+    };
+  }
+
+  _parseProcessingInstruction(s, start) {
+    let pos = start;
+
+    function skipWs() {
+      while (pos < s.length && isWhitespace(s, pos)) {
+        ++pos;
+      }
+    }
+
+    while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+      ++pos;
+    }
+
+    const name = s.substring(start, pos);
+    skipWs();
+    const attrStart = pos;
+
+    while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
+      ++pos;
+    }
+
+    const value = s.substring(attrStart, pos);
+    return {
+      name,
+      value,
+      parsed: pos - start
+    };
+  }
+
+  parseXml(s) {
+    let i = 0;
+
+    while (i < s.length) {
+      const ch = s[i];
+      let j = i;
+
+      if (ch === "<") {
+        ++j;
+        const ch2 = s[j];
+        let q;
+
+        switch (ch2) {
+          case "/":
+            ++j;
+            q = s.indexOf(">", j);
+
+            if (q < 0) {
+              this.onError(XMLParserErrorCode.UnterminatedElement);
+              return;
+            }
+
+            this.onEndElement(s.substring(j, q));
+            j = q + 1;
+            break;
+
+          case "?":
+            ++j;
+
+            const pi = this._parseProcessingInstruction(s, j);
+
+            if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") {
+              this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
+              return;
+            }
+
+            this.onPi(pi.name, pi.value);
+            j += pi.parsed + 2;
+            break;
+
+          case "!":
+            if (s.substring(j + 1, j + 3) === "--") {
+              q = s.indexOf("-->", j + 3);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedComment);
+                return;
+              }
+
+              this.onComment(s.substring(j + 3, q));
+              j = q + 3;
+            } else if (s.substring(j + 1, j + 8) === "[CDATA[") {
+              q = s.indexOf("]]>", j + 8);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedCdat);
+                return;
+              }
+
+              this.onCdata(s.substring(j + 8, q));
+              j = q + 3;
+            } else if (s.substring(j + 1, j + 8) === "DOCTYPE") {
+              const q2 = s.indexOf("[", j + 8);
+              let complexDoctype = false;
+              q = s.indexOf(">", j + 8);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                return;
+              }
+
+              if (q2 > 0 && q > q2) {
+                q = s.indexOf("]>", j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                  return;
+                }
+
+                complexDoctype = true;
+              }
+
+              const doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
+              this.onDoctype(doctypeContent);
+              j = q + (complexDoctype ? 2 : 1);
+            } else {
+              this.onError(XMLParserErrorCode.MalformedElement);
+              return;
+            }
+
+            break;
+
+          default:
+            const content = this._parseContent(s, j);
+
+            if (content === null) {
+              this.onError(XMLParserErrorCode.MalformedElement);
+              return;
+            }
+
+            let isClosed = false;
+
+            if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") {
+              isClosed = true;
+            } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") {
+              this.onError(XMLParserErrorCode.UnterminatedElement);
+              return;
+            }
+
+            this.onBeginElement(content.name, content.attributes, isClosed);
+            j += content.parsed + (isClosed ? 2 : 1);
+            break;
+        }
+      } else {
+        while (j < s.length && s[j] !== "<") {
+          j++;
+        }
+
+        const text = s.substring(i, j);
+        this.onText(this._resolveEntities(text));
+      }
+
+      i = j;
+    }
+  }
+
+  onResolveEntity(name) {
+    return `&${name};`;
+  }
+
+  onPi(name, value) {}
+
+  onComment(text) {}
+
+  onCdata(text) {}
+
+  onDoctype(doctypeContent) {}
+
+  onText(text) {}
+
+  onBeginElement(name, attributes, isEmpty) {}
+
+  onEndElement(name) {}
+
+  onError(code) {}
+
+}
+
+class SimpleDOMNode {
+  constructor(nodeName, nodeValue) {
+    this.nodeName = nodeName;
+    this.nodeValue = nodeValue;
+    Object.defineProperty(this, "parentNode", {
+      value: null,
+      writable: true
+    });
+  }
+
+  get firstChild() {
+    return this.childNodes && this.childNodes[0];
+  }
+
+  get nextSibling() {
+    const childNodes = this.parentNode.childNodes;
+
+    if (!childNodes) {
+      return undefined;
+    }
+
+    const index = childNodes.indexOf(this);
+
+    if (index === -1) {
+      return undefined;
+    }
+
+    return childNodes[index + 1];
+  }
+
+  get textContent() {
+    if (!this.childNodes) {
+      return this.nodeValue || "";
+    }
+
+    return this.childNodes.map(function (child) {
+      return child.textContent;
+    }).join("");
+  }
+
+  hasChildNodes() {
+    return this.childNodes && this.childNodes.length > 0;
+  }
+
+}
+
+class SimpleXMLParser extends XMLParserBase {
+  constructor() {
+    super();
+    this._currentFragment = null;
+    this._stack = null;
+    this._errorCode = XMLParserErrorCode.NoError;
+  }
+
+  parseFromString(data) {
+    this._currentFragment = [];
+    this._stack = [];
+    this._errorCode = XMLParserErrorCode.NoError;
+    this.parseXml(data);
+
+    if (this._errorCode !== XMLParserErrorCode.NoError) {
+      return undefined;
+    }
+
+    const [documentElement] = this._currentFragment;
+
+    if (!documentElement) {
+      return undefined;
+    }
+
+    return {
+      documentElement
+    };
+  }
+
+  onResolveEntity(name) {
+    switch (name) {
+      case "apos":
+        return "'";
+    }
+
+    return super.onResolveEntity(name);
+  }
+
+  onText(text) {
+    if (isWhitespaceString(text)) {
+      return;
+    }
+
+    const node = new SimpleDOMNode("#text", text);
+
+    this._currentFragment.push(node);
+  }
+
+  onCdata(text) {
+    const node = new SimpleDOMNode("#text", text);
+
+    this._currentFragment.push(node);
+  }
+
+  onBeginElement(name, attributes, isEmpty) {
+    const node = new SimpleDOMNode(name);
+    node.childNodes = [];
+
+    this._currentFragment.push(node);
+
+    if (isEmpty) {
+      return;
+    }
+
+    this._stack.push(this._currentFragment);
+
+    this._currentFragment = node.childNodes;
+  }
+
+  onEndElement(name) {
+    this._currentFragment = this._stack.pop() || [];
+    const lastElement = this._currentFragment[this._currentFragment.length - 1];
+
+    if (!lastElement) {
+      return;
+    }
+
+    for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
+      lastElement.childNodes[i].parentNode = lastElement;
+    }
+  }
+
+  onError(code) {
+    this._errorCode = code;
+  }
+
+}
+
+exports.SimpleXMLParser = SimpleXMLParser;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/examples/node/domstubs.js b/node_modules/pdfjs-dist/lib/examples/node/domstubs.js
new file mode 100644
index 00000000..f6a6555c
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/examples/node/domstubs.js
@@ -0,0 +1,302 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+function xmlEncode(s) {
+  var i = 0,
+      ch;
+  s = String(s);
+
+  while (i < s.length && (ch = s[i]) !== "&" && ch !== "<" && ch !== '"' && ch !== "\n" && ch !== "\r" && ch !== "\t") {
+    i++;
+  }
+
+  if (i >= s.length) {
+    return s;
+  }
+
+  var buf = s.substring(0, i);
+
+  while (i < s.length) {
+    ch = s[i++];
+
+    switch (ch) {
+      case "&":
+        buf += "&amp;";
+        break;
+
+      case "<":
+        buf += "&lt;";
+        break;
+
+      case '"':
+        buf += "&quot;";
+        break;
+
+      case "\n":
+        buf += "&#xA;";
+        break;
+
+      case "\r":
+        buf += "&#xD;";
+        break;
+
+      case "\t":
+        buf += "&#x9;";
+        break;
+
+      default:
+        buf += ch;
+        break;
+    }
+  }
+
+  return buf;
+}
+
+function DOMElement(name) {
+  this.nodeName = name;
+  this.childNodes = [];
+  this.attributes = {};
+  this.textContent = "";
+
+  if (name === "style") {
+    this.sheet = {
+      cssRules: [],
+      insertRule: function (rule) {
+        this.cssRules.push(rule);
+      }
+    };
+  }
+}
+
+DOMElement.prototype = {
+  getAttribute: function DOMElement_getAttribute(name) {
+    if (name in this.attributes) {
+      return this.attributes[name];
+    }
+
+    return null;
+  },
+  getAttributeNS: function DOMElement_getAttributeNS(NS, name) {
+    if (name in this.attributes) {
+      return this.attributes[name];
+    }
+
+    if (NS) {
+      var suffix = ":" + name;
+
+      for (var fullName in this.attributes) {
+        if (fullName.slice(-suffix.length) === suffix) {
+          return this.attributes[fullName];
+        }
+      }
+    }
+
+    return null;
+  },
+  setAttribute: function DOMElement_setAttribute(name, value) {
+    value = value || "";
+    value = xmlEncode(value);
+    this.attributes[name] = value;
+  },
+  setAttributeNS: function DOMElement_setAttributeNS(NS, name, value) {
+    this.setAttribute(name, value);
+  },
+  appendChild: function DOMElement_appendChild(element) {
+    var childNodes = this.childNodes;
+
+    if (!childNodes.includes(element)) {
+      childNodes.push(element);
+    }
+  },
+  hasChildNodes: function DOMElement_hasChildNodes() {
+    return this.childNodes.length !== 0;
+  },
+  cloneNode: function DOMElement_cloneNode() {
+    var newNode = new DOMElement(this.nodeName);
+    newNode.childNodes = this.childNodes;
+    newNode.attributes = this.attributes;
+    newNode.textContent = this.textContent;
+    return newNode;
+  },
+  toString: function DOMElement_toString() {
+    var buf = [];
+    var serializer = this.getSerializer();
+    var chunk;
+
+    while ((chunk = serializer.getNext()) !== null) {
+      buf.push(chunk);
+    }
+
+    return buf.join("");
+  },
+  getSerializer: function DOMElement_getSerializer() {
+    return new DOMElementSerializer(this);
+  }
+};
+
+function DOMElementSerializer(node) {
+  this._node = node;
+  this._state = 0;
+  this._loopIndex = 0;
+  this._attributeKeys = null;
+  this._childSerializer = null;
+}
+
+DOMElementSerializer.prototype = {
+  getNext: function DOMElementSerializer_getNext() {
+    var node = this._node;
+
+    switch (this._state) {
+      case 0:
+        ++this._state;
+        return "<" + node.nodeName;
+
+      case 1:
+        ++this._state;
+
+        if (node.nodeName === "svg:svg") {
+          return ' xmlns:xlink="http://www.w3.org/1999/xlink"' + ' xmlns:svg="http://www.w3.org/2000/svg"';
+        }
+
+      case 2:
+        ++this._state;
+        this._loopIndex = 0;
+        this._attributeKeys = Object.keys(node.attributes);
+
+      case 3:
+        if (this._loopIndex < this._attributeKeys.length) {
+          var name = this._attributeKeys[this._loopIndex++];
+          return " " + name + '="' + xmlEncode(node.attributes[name]) + '"';
+        }
+
+        ++this._state;
+        return ">";
+
+      case 4:
+        if (node.nodeName === "svg:tspan" || node.nodeName === "svg:style") {
+          this._state = 6;
+          return xmlEncode(node.textContent);
+        }
+
+        ++this._state;
+        this._loopIndex = 0;
+
+      case 5:
+        var value;
+
+        while (true) {
+          value = this._childSerializer && this._childSerializer.getNext();
+
+          if (value !== null) {
+            return value;
+          }
+
+          var nextChild = node.childNodes[this._loopIndex++];
+
+          if (nextChild) {
+            this._childSerializer = new DOMElementSerializer(nextChild);
+          } else {
+            this._childSerializer = null;
+            ++this._state;
+            break;
+          }
+        }
+
+      case 6:
+        ++this._state;
+        return "</" + node.nodeName + ">";
+
+      case 7:
+        return null;
+
+      default:
+        throw new Error("Unexpected serialization state: " + this._state);
+    }
+  }
+};
+const document = {
+  childNodes: [],
+
+  get currentScript() {
+    return {
+      src: ""
+    };
+  },
+
+  get documentElement() {
+    return this;
+  },
+
+  createElementNS: function (NS, element) {
+    var elObject = new DOMElement(element);
+    return elObject;
+  },
+  createElement: function (element) {
+    return this.createElementNS("", element);
+  },
+  getElementsByTagName: function (element) {
+    if (element === "head") {
+      return [this.head || (this.head = new DOMElement("head"))];
+    }
+
+    return [];
+  }
+};
+
+function Image() {
+  this._src = null;
+  this.onload = null;
+}
+
+Image.prototype = {
+  get src() {
+    return this._src;
+  },
+
+  set src(value) {
+    this._src = value;
+
+    if (this.onload) {
+      this.onload();
+    }
+  }
+
+};
+exports.document = document;
+exports.Image = Image;
+var exported_symbols = Object.keys(exports);
+
+exports.setStubs = function (namespace) {
+  exported_symbols.forEach(function (key) {
+    console.assert(!(key in namespace), "property should not be set: " + key);
+    namespace[key] = exports[key];
+  });
+};
+
+exports.unsetStubs = function (namespace) {
+  exported_symbols.forEach(function (key) {
+    console.assert(key in namespace, "property should be set: " + key);
+    delete namespace[key];
+  });
+};
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/pdf.js b/node_modules/pdfjs-dist/lib/pdf.js
new file mode 100644
index 00000000..99b8e359
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/pdf.js
@@ -0,0 +1,266 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "addLinkAttributes", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.addLinkAttributes;
+  }
+});
+Object.defineProperty(exports, "getFilenameFromUrl", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.getFilenameFromUrl;
+  }
+});
+Object.defineProperty(exports, "LinkTarget", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.LinkTarget;
+  }
+});
+Object.defineProperty(exports, "loadScript", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.loadScript;
+  }
+});
+Object.defineProperty(exports, "PDFDateString", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.PDFDateString;
+  }
+});
+Object.defineProperty(exports, "RenderingCancelledException", {
+  enumerable: true,
+  get: function () {
+    return _display_utils.RenderingCancelledException;
+  }
+});
+Object.defineProperty(exports, "build", {
+  enumerable: true,
+  get: function () {
+    return _api.build;
+  }
+});
+Object.defineProperty(exports, "getDocument", {
+  enumerable: true,
+  get: function () {
+    return _api.getDocument;
+  }
+});
+Object.defineProperty(exports, "LoopbackPort", {
+  enumerable: true,
+  get: function () {
+    return _api.LoopbackPort;
+  }
+});
+Object.defineProperty(exports, "PDFDataRangeTransport", {
+  enumerable: true,
+  get: function () {
+    return _api.PDFDataRangeTransport;
+  }
+});
+Object.defineProperty(exports, "PDFWorker", {
+  enumerable: true,
+  get: function () {
+    return _api.PDFWorker;
+  }
+});
+Object.defineProperty(exports, "version", {
+  enumerable: true,
+  get: function () {
+    return _api.version;
+  }
+});
+Object.defineProperty(exports, "CMapCompressionType", {
+  enumerable: true,
+  get: function () {
+    return _util.CMapCompressionType;
+  }
+});
+Object.defineProperty(exports, "createObjectURL", {
+  enumerable: true,
+  get: function () {
+    return _util.createObjectURL;
+  }
+});
+Object.defineProperty(exports, "createPromiseCapability", {
+  enumerable: true,
+  get: function () {
+    return _util.createPromiseCapability;
+  }
+});
+Object.defineProperty(exports, "createValidAbsoluteUrl", {
+  enumerable: true,
+  get: function () {
+    return _util.createValidAbsoluteUrl;
+  }
+});
+Object.defineProperty(exports, "InvalidPDFException", {
+  enumerable: true,
+  get: function () {
+    return _util.InvalidPDFException;
+  }
+});
+Object.defineProperty(exports, "MissingPDFException", {
+  enumerable: true,
+  get: function () {
+    return _util.MissingPDFException;
+  }
+});
+Object.defineProperty(exports, "OPS", {
+  enumerable: true,
+  get: function () {
+    return _util.OPS;
+  }
+});
+Object.defineProperty(exports, "PasswordResponses", {
+  enumerable: true,
+  get: function () {
+    return _util.PasswordResponses;
+  }
+});
+Object.defineProperty(exports, "PermissionFlag", {
+  enumerable: true,
+  get: function () {
+    return _util.PermissionFlag;
+  }
+});
+Object.defineProperty(exports, "removeNullCharacters", {
+  enumerable: true,
+  get: function () {
+    return _util.removeNullCharacters;
+  }
+});
+Object.defineProperty(exports, "shadow", {
+  enumerable: true,
+  get: function () {
+    return _util.shadow;
+  }
+});
+Object.defineProperty(exports, "UnexpectedResponseException", {
+  enumerable: true,
+  get: function () {
+    return _util.UnexpectedResponseException;
+  }
+});
+Object.defineProperty(exports, "UNSUPPORTED_FEATURES", {
+  enumerable: true,
+  get: function () {
+    return _util.UNSUPPORTED_FEATURES;
+  }
+});
+Object.defineProperty(exports, "Util", {
+  enumerable: true,
+  get: function () {
+    return _util.Util;
+  }
+});
+Object.defineProperty(exports, "VerbosityLevel", {
+  enumerable: true,
+  get: function () {
+    return _util.VerbosityLevel;
+  }
+});
+Object.defineProperty(exports, "AnnotationLayer", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer.AnnotationLayer;
+  }
+});
+Object.defineProperty(exports, "apiCompatibilityParams", {
+  enumerable: true,
+  get: function () {
+    return _api_compatibility.apiCompatibilityParams;
+  }
+});
+Object.defineProperty(exports, "GlobalWorkerOptions", {
+  enumerable: true,
+  get: function () {
+    return _worker_options.GlobalWorkerOptions;
+  }
+});
+Object.defineProperty(exports, "renderTextLayer", {
+  enumerable: true,
+  get: function () {
+    return _text_layer.renderTextLayer;
+  }
+});
+Object.defineProperty(exports, "SVGGraphics", {
+  enumerable: true,
+  get: function () {
+    return _svg.SVGGraphics;
+  }
+});
+
+var _display_utils = require("./display/display_utils.js");
+
+var _api = require("./display/api.js");
+
+var _util = require("./shared/util.js");
+
+var _annotation_layer = require("./display/annotation_layer.js");
+
+var _api_compatibility = require("./display/api_compatibility.js");
+
+var _worker_options = require("./display/worker_options.js");
+
+var _text_layer = require("./display/text_layer.js");
+
+var _svg = require("./display/svg.js");
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
+{
+  const {
+    isNodeJS
+  } = require("./shared/is_node.js");
+
+  if (isNodeJS) {
+    const PDFNodeStream = require("./display/node_stream.js").PDFNodeStream;
+
+    (0, _api.setPDFNetworkStreamFactory)(params => {
+      return new PDFNodeStream(params);
+    });
+  } else {
+    const PDFNetworkStream = require("./display/network.js").PDFNetworkStream;
+
+    let PDFFetchStream;
+
+    if ((0, _display_utils.isFetchSupported)()) {
+      PDFFetchStream = require("./display/fetch_stream.js").PDFFetchStream;
+    }
+
+    (0, _api.setPDFNetworkStreamFactory)(params => {
+      if (PDFFetchStream && (0, _display_utils.isValidFetchUrl)(params.url)) {
+        return new PDFFetchStream(params);
+      }
+
+      return new PDFNetworkStream(params);
+    });
+  }
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/pdf.worker.js b/node_modules/pdfjs-dist/lib/pdf.worker.js
new file mode 100644
index 00000000..50237e1f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/pdf.worker.js
@@ -0,0 +1,37 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "WorkerMessageHandler", {
+  enumerable: true,
+  get: function () {
+    return _worker.WorkerMessageHandler;
+  }
+});
+
+var _worker = require("./core/worker.js");
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/shared/compatibility.js b/node_modules/pdfjs-dist/lib/shared/compatibility.js
new file mode 100644
index 00000000..c2cc604a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/shared/compatibility.js
@@ -0,0 +1,26 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _is_node = require("./is_node.js");
+
+;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/shared/is_node.js b/node_modules/pdfjs-dist/lib/shared/is_node.js
new file mode 100644
index 00000000..9f384d94
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/shared/is_node.js
@@ -0,0 +1,29 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/shared/message_handler.js b/node_modules/pdfjs-dist/lib/shared/message_handler.js
new file mode 100644
index 00000000..e625306b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/shared/message_handler.js
@@ -0,0 +1,516 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = void 0;
+
+var _util = require("./util.js");
+
+const CallbackKind = {
+  UNKNOWN: 0,
+  DATA: 1,
+  ERROR: 2
+};
+const StreamKind = {
+  UNKNOWN: 0,
+  CANCEL: 1,
+  CANCEL_COMPLETE: 2,
+  CLOSE: 3,
+  ENQUEUE: 4,
+  ERROR: 5,
+  PULL: 6,
+  PULL_COMPLETE: 7,
+  START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+  if (typeof reason !== "object" || reason === null) {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case "AbortException":
+      return new _util.AbortException(reason.message);
+
+    case "MissingPDFException":
+      return new _util.MissingPDFException(reason.message);
+
+    case "UnexpectedResponseException":
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    case "UnknownErrorException":
+      return new _util.UnknownErrorException(reason.message, reason.details);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.toString());
+  }
+}
+
+class MessageHandler {
+  constructor(sourceName, targetName, comObj) {
+    this.sourceName = sourceName;
+    this.targetName = targetName;
+    this.comObj = comObj;
+    this.callbackId = 1;
+    this.streamId = 1;
+    this.postMessageTransfers = true;
+    this.streamSinks = Object.create(null);
+    this.streamControllers = Object.create(null);
+    this.callbackCapabilities = Object.create(null);
+    this.actionHandler = Object.create(null);
+
+    this._onComObjOnMessage = event => {
+      const data = event.data;
+
+      if (data.targetName !== this.sourceName) {
+        return;
+      }
+
+      if (data.stream) {
+        this._processStreamMessage(data);
+
+        return;
+      }
+
+      if (data.callback) {
+        const callbackId = data.callbackId;
+        const capability = this.callbackCapabilities[callbackId];
+
+        if (!capability) {
+          throw new Error(`Cannot resolve callback ${callbackId}`);
+        }
+
+        delete this.callbackCapabilities[callbackId];
+
+        if (data.callback === CallbackKind.DATA) {
+          capability.resolve(data.data);
+        } else if (data.callback === CallbackKind.ERROR) {
+          capability.reject(wrapReason(data.reason));
+        } else {
+          throw new Error("Unexpected callback case");
+        }
+
+        return;
+      }
+
+      const action = this.actionHandler[data.action];
+
+      if (!action) {
+        throw new Error(`Unknown action from worker: ${data.action}`);
+      }
+
+      if (data.callbackId) {
+        const cbSourceName = this.sourceName;
+        const cbTargetName = data.sourceName;
+        new Promise(function (resolve) {
+          resolve(action(data.data));
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.DATA,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: cbSourceName,
+            targetName: cbTargetName,
+            callback: CallbackKind.ERROR,
+            callbackId: data.callbackId,
+            reason: wrapReason(reason)
+          });
+        });
+        return;
+      }
+
+      if (data.streamId) {
+        this._createStreamSink(data);
+
+        return;
+      }
+
+      action(data.data);
+    };
+
+    comObj.addEventListener("message", this._onComObjOnMessage);
+  }
+
+  on(actionName, handler) {
+    const ah = this.actionHandler;
+
+    if (ah[actionName]) {
+      throw new Error(`There is already an actionName called "${actionName}"`);
+    }
+
+    ah[actionName] = handler;
+  }
+
+  send(actionName, data, transfers) {
+    this._postMessage({
+      sourceName: this.sourceName,
+      targetName: this.targetName,
+      action: actionName,
+      data
+    }, transfers);
+  }
+
+  sendWithPromise(actionName, data, transfers) {
+    const callbackId = this.callbackId++;
+    const capability = (0, _util.createPromiseCapability)();
+    this.callbackCapabilities[callbackId] = capability;
+
+    try {
+      this._postMessage({
+        sourceName: this.sourceName,
+        targetName: this.targetName,
+        action: actionName,
+        callbackId,
+        data
+      }, transfers);
+    } catch (ex) {
+      capability.reject(ex);
+    }
+
+    return capability.promise;
+  }
+
+  sendWithStream(actionName, data, queueingStrategy, transfers) {
+    const streamId = this.streamId++;
+    const sourceName = this.sourceName;
+    const targetName = this.targetName;
+    const comObj = this.comObj;
+    return new ReadableStream({
+      start: controller => {
+        const startCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId] = {
+          controller,
+          startCall: startCapability,
+          pullCall: null,
+          cancelCall: null,
+          isClosed: false
+        };
+
+        this._postMessage({
+          sourceName,
+          targetName,
+          action: actionName,
+          streamId,
+          data,
+          desiredSize: controller.desiredSize
+        }, transfers);
+
+        return startCapability.promise;
+      },
+      pull: controller => {
+        const pullCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].pullCall = pullCapability;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.PULL,
+          streamId,
+          desiredSize: controller.desiredSize
+        });
+        return pullCapability.promise;
+      },
+      cancel: reason => {
+        (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+        const cancelCapability = (0, _util.createPromiseCapability)();
+        this.streamControllers[streamId].cancelCall = cancelCapability;
+        this.streamControllers[streamId].isClosed = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CANCEL,
+          streamId,
+          reason: wrapReason(reason)
+        });
+        return cancelCapability.promise;
+      }
+    }, queueingStrategy);
+  }
+
+  _createStreamSink(data) {
+    const self = this;
+    const action = this.actionHandler[data.action];
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+    const streamSink = {
+      enqueue(chunk, size = 1, transfers) {
+        if (this.isCancelled) {
+          return;
+        }
+
+        const lastDesiredSize = this.desiredSize;
+        this.desiredSize -= size;
+
+        if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+          this.sinkCapability = (0, _util.createPromiseCapability)();
+          this.ready = this.sinkCapability.promise;
+        }
+
+        self._postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ENQUEUE,
+          streamId,
+          chunk
+        }, transfers);
+      },
+
+      close() {
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.CLOSE,
+          streamId
+        });
+        delete self.streamSinks[streamId];
+      },
+
+      error(reason) {
+        (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        comObj.postMessage({
+          sourceName,
+          targetName,
+          stream: StreamKind.ERROR,
+          streamId,
+          reason: wrapReason(reason)
+        });
+      },
+
+      sinkCapability: (0, _util.createPromiseCapability)(),
+      onPull: null,
+      onCancel: null,
+      isCancelled: false,
+      desiredSize: data.desiredSize,
+      ready: null
+    };
+    streamSink.sinkCapability.resolve();
+    streamSink.ready = streamSink.sinkCapability.promise;
+    this.streamSinks[streamId] = streamSink;
+    new Promise(function (resolve) {
+      resolve(action(data.data, streamSink));
+    }).then(function () {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        success: true
+      });
+    }, function (reason) {
+      comObj.postMessage({
+        sourceName,
+        targetName,
+        stream: StreamKind.START_COMPLETE,
+        streamId,
+        reason: wrapReason(reason)
+      });
+    });
+  }
+
+  _processStreamMessage(data) {
+    const streamId = data.streamId;
+    const sourceName = this.sourceName;
+    const targetName = data.sourceName;
+    const comObj = this.comObj;
+
+    switch (data.stream) {
+      case StreamKind.START_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].startCall.resolve();
+        } else {
+          this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].pullCall.resolve();
+        } else {
+          this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+        }
+
+        break;
+
+      case StreamKind.PULL:
+        if (!this.streamSinks[streamId]) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+          break;
+        }
+
+        if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+          this.streamSinks[streamId].sinkCapability.resolve();
+        }
+
+        this.streamSinks[streamId].desiredSize = data.desiredSize;
+        const {
+          onPull
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onPull && onPull());
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.PULL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        break;
+
+      case StreamKind.ENQUEUE:
+        (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].controller.enqueue(data.chunk);
+        break;
+
+      case StreamKind.CLOSE:
+        (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+        if (this.streamControllers[streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[streamId].isClosed = true;
+        this.streamControllers[streamId].controller.close();
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.ERROR:
+        (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+        this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL_COMPLETE:
+        if (data.success) {
+          this.streamControllers[streamId].cancelCall.resolve();
+        } else {
+          this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+        }
+
+        this._deleteStreamController(streamId);
+
+        break;
+
+      case StreamKind.CANCEL:
+        if (!this.streamSinks[streamId]) {
+          break;
+        }
+
+        const {
+          onCancel
+        } = this.streamSinks[data.streamId];
+        new Promise(function (resolve) {
+          resolve(onCancel && onCancel(wrapReason(data.reason)));
+        }).then(function () {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            success: true
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName,
+            targetName,
+            stream: StreamKind.CANCEL_COMPLETE,
+            streamId,
+            reason: wrapReason(reason)
+          });
+        });
+        this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+        this.streamSinks[streamId].isCancelled = true;
+        delete this.streamSinks[streamId];
+        break;
+
+      default:
+        throw new Error("Unexpected stream case");
+    }
+  }
+
+  async _deleteStreamController(streamId) {
+    await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+      return capability && capability.promise;
+    }));
+    delete this.streamControllers[streamId];
+  }
+
+  _postMessage(message, transfers) {
+    if (transfers && this.postMessageTransfers) {
+      this.comObj.postMessage(message, transfers);
+    } else {
+      this.comObj.postMessage(message);
+    }
+  }
+
+  destroy() {
+    this.comObj.removeEventListener("message", this._onComObjOnMessage);
+  }
+
+}
+
+exports.MessageHandler = MessageHandler;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/shared/util.js b/node_modules/pdfjs-dist/lib/shared/util.js
new file mode 100644
index 00000000..6cc76230
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/shared/util.js
@@ -0,0 +1,846 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
+
+require("./compatibility.js");
+
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+const AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+  MARKED: "Marked",
+  REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+  MARKED: "Marked",
+  UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+  ACCEPTED: "Accepted",
+  REJECTED: "Rejected",
+  CANCELLED: "Cancelled",
+  COMPLETED: "Completed",
+  NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+  GROUP: "Group",
+  REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const StreamType = {
+  UNKNOWN: "UNKNOWN",
+  FLATE: "FLATE",
+  LZW: "LZW",
+  DCT: "DCT",
+  JPX: "JPX",
+  JBIG: "JBIG",
+  A85: "A85",
+  AHX: "AHX",
+  CCF: "CCF",
+  RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+  UNKNOWN: "UNKNOWN",
+  TYPE1: "TYPE1",
+  TYPE1C: "TYPE1C",
+  CIDFONTTYPE0: "CIDFONTTYPE0",
+  CIDFONTTYPE0C: "CIDFONTTYPE0C",
+  TRUETYPE: "TRUETYPE",
+  CIDFONTTYPE2: "CIDFONTTYPE2",
+  TYPE3: "TYPE3",
+  OPENTYPE: "OPENTYPE",
+  TYPE0: "TYPE0",
+  MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+  unknown: "unknown",
+  forms: "forms",
+  javaScript: "javaScript",
+  smask: "smask",
+  shadingPattern: "shadingPattern",
+  font: "font",
+  errorTilingPattern: "errorTilingPattern",
+  errorExtGState: "errorExtGState",
+  errorXObject: "errorXObject",
+  errorFontLoadType3: "errorFontLoadType3",
+  errorFontState: "errorFontState",
+  errorFontMissing: "errorFontMissing",
+  errorFontTranslate: "errorFontTranslate",
+  errorColorSpace: "errorColorSpace",
+  errorOperatorList: "errorOperatorList",
+  errorFontToUnicode: "errorFontToUnicode",
+  errorFontLoadNative: "errorFontLoadNative",
+  errorFontGetPath: "errorFontGetPath",
+  errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+let verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log(`Info: ${msg}`);
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log(`Warning: ${msg}`);
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  let base;
+
+  try {
+    base = new URL(baseUrl);
+
+    if (!base.origin || base.origin === "null") {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  const other = new URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case "http:":
+    case "https:":
+    case "ftp:":
+    case "mailto:":
+    case "tel:":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+const BaseException = function BaseExceptionClosure() {
+  function BaseException(message) {
+    if (this.constructor === BaseException) {
+      unreachable("Cannot initialize BaseException.");
+    }
+
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+
+  BaseException.prototype = new Error();
+  BaseException.constructor = BaseException;
+  return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+  constructor(msg, code) {
+    super(msg);
+    this.code = code;
+  }
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+  constructor(msg, details) {
+    super(msg);
+    this.details = details;
+  }
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+  constructor(msg, status) {
+    super(msg);
+    this.status = status;
+  }
+
+}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {}
+
+exports.AbortException = AbortException;
+const NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== "string") {
+    warn("The argument for removeNullCharacters must be a string.");
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
+  const length = bytes.length;
+  const MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  const strBuf = [];
+
+  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    const chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join("");
+}
+
+function stringToBytes(str) {
+  assert(typeof str === "string", "Invalid argument for stringToBytes");
+  const length = str.length;
+  const bytes = new Uint8Array(length);
+
+  for (let i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xff;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  const length = arr.length;
+
+  if (length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  let resultLength = 0;
+
+  for (let i = 0; i < length; i++) {
+    resultLength += arrayByteLength(arr[i]);
+  }
+
+  let pos = 0;
+  const data = new Uint8Array(resultLength);
+
+  for (let i = 0; i < length; i++) {
+    let item = arr[i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === "string") {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    const itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function isLittleEndian() {
+  const buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  const view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+const IsLittleEndianCached = {
+  get value() {
+    return shadow(this, "value", isLittleEndian());
+  }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+  try {
+    new Function("");
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+const IsEvalSupportedCached = {
+  get value() {
+    return shadow(this, "value", isEvalSupported());
+  }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
+
+class Util {
+  static makeCssRgb(r, g, b) {
+    rgbBuf[1] = r;
+    rgbBuf[3] = g;
+    rgbBuf[5] = b;
+    return rgbBuf.join("");
+  }
+
+  static transform(m1, m2) {
+    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+  }
+
+  static applyTransform(p, m) {
+    const xt = p[0] * m[0] + p[1] * m[2] + m[4];
+    const yt = p[0] * m[1] + p[1] * m[3] + m[5];
+    return [xt, yt];
+  }
+
+  static applyInverseTransform(p, m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+    return [xt, yt];
+  }
+
+  static getAxialAlignedBoundingBox(r, m) {
+    const p1 = Util.applyTransform(r, m);
+    const p2 = Util.applyTransform(r.slice(2, 4), m);
+    const p3 = Util.applyTransform([r[0], r[3]], m);
+    const p4 = Util.applyTransform([r[2], r[1]], m);
+    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+  }
+
+  static inverseTransform(m) {
+    const d = m[0] * m[3] - m[1] * m[2];
+    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+  }
+
+  static apply3dTransform(m, v) {
+    return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+  }
+
+  static singularValueDecompose2dScale(m) {
+    const transpose = [m[0], m[2], m[1], m[3]];
+    const a = m[0] * transpose[0] + m[1] * transpose[2];
+    const b = m[0] * transpose[1] + m[1] * transpose[3];
+    const c = m[2] * transpose[0] + m[3] * transpose[2];
+    const d = m[2] * transpose[1] + m[3] * transpose[3];
+    const first = (a + d) / 2;
+    const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+    const sx = first + second || 1;
+    const sy = first - second || 1;
+    return [Math.sqrt(sx), Math.sqrt(sy)];
+  }
+
+  static normalizeRect(rect) {
+    const r = rect.slice(0);
+
+    if (rect[0] > rect[2]) {
+      r[0] = rect[2];
+      r[2] = rect[0];
+    }
+
+    if (rect[1] > rect[3]) {
+      r[1] = rect[3];
+      r[3] = rect[1];
+    }
+
+    return r;
+  }
+
+  static intersect(rect1, rect2) {
+    function compare(a, b) {
+      return a - b;
+    }
+
+    const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+    const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+    const result = [];
+    rect1 = Util.normalizeRect(rect1);
+    rect2 = Util.normalizeRect(rect2);
+
+    if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+      result[0] = orderedX[1];
+      result[2] = orderedX[2];
+    } else {
+      return null;
+    }
+
+    if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+      result[1] = orderedY[1];
+      result[3] = orderedY[2];
+    } else {
+      return null;
+    }
+
+    return result;
+  }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  const length = str.length,
+        strBuf = [];
+
+  if (str[0] === "\xFE" && str[1] === "\xFF") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+    for (let i = 2; i < length; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
+    }
+  } else {
+    for (let i = 0; i < length; ++i) {
+      const code = PDFStringTranslateTable[str.charCodeAt(i)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+    }
+  }
+
+  return strBuf.join("");
+}
+
+function escapeString(str) {
+  return str.replace(/([\(\)\\])/g, "\\$1");
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+  return typeof v === "boolean";
+}
+
+function isNum(v) {
+  return typeof v === "number";
+}
+
+function isString(v) {
+  return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+  return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function getModificationDate(date = new Date(Date.now())) {
+  const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+  return buffer.join("");
+}
+
+function createPromiseCapability() {
+  const capability = Object.create(null);
+  let isSettled = false;
+  Object.defineProperty(capability, "settled", {
+    get() {
+      return isSettled;
+    }
+
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+const createObjectURL = function createObjectURLClosure() {
+  const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+  return function createObjectURL(data, contentType, forceDataSchema = false) {
+    if (!forceDataSchema && URL.createObjectURL) {
+      const blob = new Blob([data], {
+        type: contentType
+      });
+      return URL.createObjectURL(blob);
+    }
+
+    let buffer = `data:${contentType};base64,`;
+
+    for (let i = 0, ii = data.length; i < ii; i += 3) {
+      const b1 = data[i] & 0xff;
+      const b2 = data[i + 1] & 0xff;
+      const b3 = data[i + 2] & 0xff;
+      const d1 = b1 >> 2,
+            d2 = (b1 & 3) << 4 | b2 >> 4;
+      const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+      const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/annotation_spec.js b/node_modules/pdfjs-dist/lib/test/unit/annotation_spec.js
new file mode 100644
index 00000000..c390b802
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/annotation_spec.js
@@ -0,0 +1,2708 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _annotation = require("../../core/annotation.js");
+
+var _util = require("../../shared/util.js");
+
+var _test_utils = require("./test_utils.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _parser = require("../../core/parser.js");
+
+var _evaluator = require("../../core/evaluator.js");
+
+var _stream = require("../../core/stream.js");
+
+var _worker = require("../../core/worker.js");
+
+describe("annotation", function () {
+  class PDFManagerMock {
+    constructor(params) {
+      this.docBaseUrl = params.docBaseUrl || null;
+      this.pdfDocument = {
+        catalog: {
+          acroForm: new _primitives.Dict()
+        }
+      };
+    }
+
+    ensure(obj, prop, args) {
+      return new Promise(function (resolve) {
+        const value = obj[prop];
+
+        if (typeof value === "function") {
+          resolve(value.apply(obj, args));
+        } else {
+          resolve(value);
+        }
+      });
+    }
+
+    ensureCatalog(prop, args) {
+      return this.ensure(this.pdfDocument.catalog, prop, args);
+    }
+
+  }
+
+  function HandlerMock() {
+    this.inputs = [];
+  }
+
+  HandlerMock.prototype = {
+    send(name, data) {
+      this.inputs.push({
+        name,
+        data
+      });
+    }
+
+  };
+  let pdfManagerMock, idFactoryMock, partialEvaluator;
+  beforeAll(function (done) {
+    pdfManagerMock = new PDFManagerMock({
+      docBaseUrl: null
+    });
+    idFactoryMock = (0, _test_utils.createIdFactory)(0);
+    partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: new _test_utils.XRefMock(),
+      handler: new HandlerMock(),
+      pageIndex: 0,
+      idFactory: (0, _test_utils.createIdFactory)(0),
+      fontCache: new _primitives.RefSetCache()
+    });
+    done();
+  });
+  afterAll(function () {
+    pdfManagerMock = null;
+    idFactoryMock = null;
+    partialEvaluator = null;
+  });
+  describe("AnnotationFactory", function () {
+    it("should get id for annotation", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+
+      const annotationRef = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.id).toEqual("10R");
+        done();
+      }, done.fail);
+    });
+    it("should handle, and get fallback IDs for, annotations that are not " + "indirect objects (issue 7569)", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      const xref = new _test_utils.XRefMock();
+      const idFactory = (0, _test_utils.createIdFactory)(0);
+
+      const annotation1 = _annotation.AnnotationFactory.create(xref, annotationDict, pdfManagerMock, idFactory).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.id).toEqual("annot_p0_1");
+      });
+
+      const annotation2 = _annotation.AnnotationFactory.create(xref, annotationDict, pdfManagerMock, idFactory).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.id).toEqual("annot_p0_2");
+      });
+
+      Promise.all([annotation1, annotation2]).then(done, done.fail);
+    });
+    it("should handle missing /Subtype", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+
+      const annotationRef = _primitives.Ref.get(1, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+  });
+  describe("getQuadPoints", function () {
+    let dict, rect;
+    beforeEach(function (done) {
+      dict = new _primitives.Dict();
+      rect = [];
+      done();
+    });
+    afterEach(function () {
+      dict = null;
+      rect = null;
+    });
+    it("should ignore missing quadpoints", function () {
+      expect((0, _annotation.getQuadPoints)(dict, rect)).toEqual(null);
+    });
+    it("should ignore non-array values", function () {
+      dict.set("QuadPoints", "foo");
+      expect((0, _annotation.getQuadPoints)(dict, rect)).toEqual(null);
+    });
+    it("should ignore arrays where the length is not a multiple of eight", function () {
+      dict.set("QuadPoints", [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+      expect((0, _annotation.getQuadPoints)(dict, rect)).toEqual(null);
+    });
+    it("should ignore quadpoints if one coordinate lies outside the rectangle", function () {
+      rect = [10, 10, 20, 20];
+      const inputs = [[11, 11, 12, 12, 9, 13, 14, 14], [11, 11, 12, 12, 13, 9, 14, 14], [11, 11, 12, 12, 21, 13, 14, 14], [11, 11, 12, 12, 13, 21, 14, 14]];
+
+      for (const input of inputs) {
+        dict.set("QuadPoints", input);
+        expect((0, _annotation.getQuadPoints)(dict, rect)).toEqual(null);
+      }
+    });
+    it("should process valid quadpoints arrays", function () {
+      rect = [10, 10, 20, 20];
+      dict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18]);
+      expect((0, _annotation.getQuadPoints)(dict, rect)).toEqual([[{
+        x: 11,
+        y: 11
+      }, {
+        x: 12,
+        y: 12
+      }, {
+        x: 13,
+        y: 13
+      }, {
+        x: 14,
+        y: 14
+      }], [{
+        x: 15,
+        y: 15
+      }, {
+        x: 16,
+        y: 16
+      }, {
+        x: 17,
+        y: 17
+      }, {
+        x: 18,
+        y: 18
+      }]]);
+    });
+  });
+  describe("Annotation", function () {
+    let dict, ref;
+    beforeAll(function (done) {
+      dict = new _primitives.Dict();
+      ref = _primitives.Ref.get(1, 0);
+      done();
+    });
+    afterAll(function () {
+      dict = ref = null;
+    });
+    it("should set and get valid contents", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setContents("Foo bar baz");
+      expect(annotation.contents).toEqual("Foo bar baz");
+    });
+    it("should not set and get invalid contents", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setContents(undefined);
+      expect(annotation.contents).toEqual("");
+    });
+    it("should set and get a valid modification date", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setModificationDate("D:20190422");
+      expect(annotation.modificationDate).toEqual("D:20190422");
+    });
+    it("should not set and get an invalid modification date", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setModificationDate(undefined);
+      expect(annotation.modificationDate).toEqual(null);
+    });
+    it("should set and get flags", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setFlags(13);
+      expect(annotation.hasFlag(_util.AnnotationFlag.INVISIBLE)).toEqual(true);
+      expect(annotation.hasFlag(_util.AnnotationFlag.NOZOOM)).toEqual(true);
+      expect(annotation.hasFlag(_util.AnnotationFlag.PRINT)).toEqual(true);
+      expect(annotation.hasFlag(_util.AnnotationFlag.READONLY)).toEqual(false);
+    });
+    it("should be viewable and not printable by default", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      expect(annotation.viewable).toEqual(true);
+      expect(annotation.printable).toEqual(false);
+    });
+    it("should set and get a valid rectangle", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setRectangle([117, 694, 164.298, 720]);
+      expect(annotation.rectangle).toEqual([117, 694, 164.298, 720]);
+    });
+    it("should not set and get an invalid rectangle", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setRectangle([117, 694, 164.298]);
+      expect(annotation.rectangle).toEqual([0, 0, 0, 0]);
+    });
+    it("should reject a color if it is not an array", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor("red");
+      expect(annotation.color).toEqual(new Uint8ClampedArray([0, 0, 0]));
+    });
+    it("should set and get a transparent color", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor([]);
+      expect(annotation.color).toEqual(null);
+    });
+    it("should set and get a grayscale color", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor([0.4]);
+      expect(annotation.color).toEqual(new Uint8ClampedArray([102, 102, 102]));
+    });
+    it("should set and get an RGB color", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor([0, 0, 1]);
+      expect(annotation.color).toEqual(new Uint8ClampedArray([0, 0, 255]));
+    });
+    it("should set and get a CMYK color", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor([0.1, 0.92, 0.84, 0.02]);
+      expect(annotation.color).toEqual(new Uint8ClampedArray([234, 59, 48]));
+    });
+    it("should not set and get an invalid color", function () {
+      const annotation = new _annotation.Annotation({
+        dict,
+        ref
+      });
+      annotation.setColor([0.4, 0.6]);
+      expect(annotation.color).toEqual(new Uint8ClampedArray([0, 0, 0]));
+    });
+  });
+  describe("AnnotationBorderStyle", function () {
+    it("should set and get a valid width", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setWidth(3);
+      expect(borderStyle.width).toEqual(3);
+    });
+    it("should not set and get an invalid width", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setWidth("three");
+      expect(borderStyle.width).toEqual(1);
+    });
+    it("should set the width to zero, when the input is a `Name` (issue 10385)", function () {
+      const borderStyleZero = new _annotation.AnnotationBorderStyle();
+      borderStyleZero.setWidth(_primitives.Name.get("0"));
+      const borderStyleFive = new _annotation.AnnotationBorderStyle();
+      borderStyleFive.setWidth(_primitives.Name.get("5"));
+      expect(borderStyleZero.width).toEqual(0);
+      expect(borderStyleFive.width).toEqual(0);
+    });
+    it("should set and get a valid style", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setStyle(_primitives.Name.get("D"));
+      expect(borderStyle.style).toEqual(_util.AnnotationBorderStyleType.DASHED);
+    });
+    it("should not set and get an invalid style", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setStyle("Dashed");
+      expect(borderStyle.style).toEqual(_util.AnnotationBorderStyleType.SOLID);
+    });
+    it("should set and get a valid dash array", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setDashArray([1, 2, 3]);
+      expect(borderStyle.dashArray).toEqual([1, 2, 3]);
+    });
+    it("should not set and get an invalid dash array", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setDashArray([0, 0]);
+      expect(borderStyle.dashArray).toEqual([3]);
+    });
+    it("should set and get a valid horizontal corner radius", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setHorizontalCornerRadius(3);
+      expect(borderStyle.horizontalCornerRadius).toEqual(3);
+    });
+    it("should not set and get an invalid horizontal corner radius", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setHorizontalCornerRadius("three");
+      expect(borderStyle.horizontalCornerRadius).toEqual(0);
+    });
+    it("should set and get a valid vertical corner radius", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setVerticalCornerRadius(3);
+      expect(borderStyle.verticalCornerRadius).toEqual(3);
+    });
+    it("should not set and get an invalid vertical corner radius", function () {
+      const borderStyle = new _annotation.AnnotationBorderStyle();
+      borderStyle.setVerticalCornerRadius("three");
+      expect(borderStyle.verticalCornerRadius).toEqual(0);
+    });
+  });
+  describe("MarkupAnnotation", function () {
+    let dict, ref;
+    beforeAll(function (done) {
+      dict = new _primitives.Dict();
+      ref = _primitives.Ref.get(1, 0);
+      done();
+    });
+    afterAll(function () {
+      dict = ref = null;
+    });
+    it("should set and get a valid creation date", function () {
+      const markupAnnotation = new _annotation.MarkupAnnotation({
+        dict,
+        ref
+      });
+      markupAnnotation.setCreationDate("D:20190422");
+      expect(markupAnnotation.creationDate).toEqual("D:20190422");
+    });
+    it("should not set and get an invalid creation date", function () {
+      const markupAnnotation = new _annotation.MarkupAnnotation({
+        dict,
+        ref
+      });
+      markupAnnotation.setCreationDate(undefined);
+      expect(markupAnnotation.creationDate).toEqual(null);
+    });
+    it("should not parse IRT/RT when not defined", function (done) {
+      dict.set("Type", _primitives.Name.get("Annot"));
+      dict.set("Subtype", _primitives.Name.get("Text"));
+      const xref = new _test_utils.XRefMock([{
+        ref,
+        data: dict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, ref, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.inReplyTo).toBeUndefined();
+        expect(data.replyType).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should parse IRT and set default RT when not defined.", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+
+      const replyRef = _primitives.Ref.get(820, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }]);
+      annotationDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, replyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.inReplyTo).toEqual(annotationRef.toString());
+        expect(data.replyType).toEqual("R");
+        done();
+      }, done.fail);
+    });
+    it("should parse IRT/RT for a group type", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+      annotationDict.set("T", "ParentTitle");
+      annotationDict.set("Contents", "ParentText");
+      annotationDict.set("CreationDate", "D:20180423");
+      annotationDict.set("M", "D:20190423");
+      annotationDict.set("C", [0, 0, 1]);
+
+      const popupRef = _primitives.Ref.get(820, 0);
+
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("Parent", annotationRef);
+      annotationDict.set("Popup", popupRef);
+
+      const replyRef = _primitives.Ref.get(821, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      replyDict.set("RT", _primitives.Name.get("Group"));
+      replyDict.set("T", "ReplyTitle");
+      replyDict.set("Contents", "ReplyText");
+      replyDict.set("CreationDate", "D:20180523");
+      replyDict.set("M", "D:20190523");
+      replyDict.set("C", [0.4]);
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: popupRef,
+        data: popupDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }]);
+      annotationDict.assignXref(xref);
+      popupDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, replyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.inReplyTo).toEqual(annotationRef.toString());
+        expect(data.replyType).toEqual("Group");
+        expect(data.title).toEqual("ParentTitle");
+        expect(data.contents).toEqual("ParentText");
+        expect(data.creationDate).toEqual("D:20180423");
+        expect(data.modificationDate).toEqual("D:20190423");
+        expect(data.color).toEqual(new Uint8ClampedArray([0, 0, 255]));
+        expect(data.hasPopup).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should parse IRT/RT for a reply type", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+      annotationDict.set("T", "ParentTitle");
+      annotationDict.set("Contents", "ParentText");
+      annotationDict.set("CreationDate", "D:20180423");
+      annotationDict.set("M", "D:20190423");
+      annotationDict.set("C", [0, 0, 1]);
+
+      const popupRef = _primitives.Ref.get(820, 0);
+
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("Parent", annotationRef);
+      annotationDict.set("Popup", popupRef);
+
+      const replyRef = _primitives.Ref.get(821, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      replyDict.set("RT", _primitives.Name.get("R"));
+      replyDict.set("T", "ReplyTitle");
+      replyDict.set("Contents", "ReplyText");
+      replyDict.set("CreationDate", "D:20180523");
+      replyDict.set("M", "D:20190523");
+      replyDict.set("C", [0.4]);
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: popupRef,
+        data: popupDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }]);
+      annotationDict.assignXref(xref);
+      popupDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, replyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.inReplyTo).toEqual(annotationRef.toString());
+        expect(data.replyType).toEqual("R");
+        expect(data.title).toEqual("ReplyTitle");
+        expect(data.contents).toEqual("ReplyText");
+        expect(data.creationDate).toEqual("D:20180523");
+        expect(data.modificationDate).toEqual("D:20190523");
+        expect(data.color).toEqual(new Uint8ClampedArray([102, 102, 102]));
+        expect(data.hasPopup).toEqual(false);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("TextAnnotation", function () {
+    it("should not parse state model and state when not defined", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+      annotationDict.set("Contents", "TestText");
+
+      const replyRef = _primitives.Ref.get(820, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      replyDict.set("RT", _primitives.Name.get("R"));
+      replyDict.set("Contents", "ReplyText");
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }]);
+      annotationDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, replyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.stateModel).toBeNull();
+        expect(data.state).toBeNull();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse state model and state when defined", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+
+      const replyRef = _primitives.Ref.get(820, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      replyDict.set("RT", _primitives.Name.get("R"));
+      replyDict.set("StateModel", "Review");
+      replyDict.set("State", "Rejected");
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }]);
+      annotationDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, replyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.stateModel).toEqual("Review");
+        expect(data.state).toEqual("Rejected");
+        done();
+      }, done.fail);
+    });
+  });
+  describe("LinkAnnotation", function () {
+    it("should correctly parse a URI action", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("URI"));
+      actionDict.set("URI", "http://www.ctan.org/tex-archive/info/lshort");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(820, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual("http://www.ctan.org/tex-archive/info/lshort");
+        expect(data.unsafeUrl).toEqual("http://www.ctan.org/tex-archive/info/lshort");
+        expect(data.dest).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a URI action, where the URI entry " + "is missing a protocol", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("URI"));
+      actionDict.set("URI", "www.hmrc.gov.uk");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(353, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual("http://www.hmrc.gov.uk/");
+        expect(data.unsafeUrl).toEqual("http://www.hmrc.gov.uk");
+        expect(data.dest).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a URI action, where the URI entry " + "has an incorrect encoding (bug 1122280)", function (done) {
+      const actionStream = new _stream.StringStream("<<\n" + "/Type /Action\n" + "/S /URI\n" + "/URI (http://www.example.com/\\303\\274\\303\\266\\303\\244)\n" + ">>\n");
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(actionStream),
+        xref: null
+      });
+      const actionDict = parser.getObj();
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(8, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual(new URL((0, _util.stringToUTF8String)("http://www.example.com/\xC3\xBC\xC3\xB6\xC3\xA4")).href);
+        expect(data.unsafeUrl).toEqual((0, _util.stringToUTF8String)("http://www.example.com/\xC3\xBC\xC3\xB6\xC3\xA4"));
+        expect(data.dest).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a GoTo action", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("GoTo"));
+      actionDict.set("D", "page.157");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(798, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toBeUndefined();
+        expect(data.dest).toEqual("page.157");
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a GoToR action, where the FileSpec entry " + "is a string containing a relative URL", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("GoToR"));
+      actionDict.set("F", "../../0013/001346/134685E.pdf");
+      actionDict.set("D", "4.3");
+      actionDict.set("NewWindow", true);
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(489, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toEqual("../../0013/001346/134685E.pdf#4.3");
+        expect(data.dest).toBeUndefined();
+        expect(data.newWindow).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a GoToR action, containing a relative URL, " + 'with the "docBaseUrl" parameter specified', function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("GoToR"));
+      actionDict.set("F", "../../0013/001346/134685E.pdf");
+      actionDict.set("D", "4.3");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(489, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+      const pdfManager = new PDFManagerMock({
+        docBaseUrl: "http://www.example.com/test/pdfs/qwerty.pdf"
+      });
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManager, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual("http://www.example.com/0013/001346/134685E.pdf#4.3");
+        expect(data.unsafeUrl).toEqual("../../0013/001346/134685E.pdf#4.3");
+        expect(data.dest).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a GoToR action, with named destination", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("GoToR"));
+      actionDict.set("F", "http://www.example.com/test.pdf");
+      actionDict.set("D", "15");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(495, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual("http://www.example.com/test.pdf#15");
+        expect(data.unsafeUrl).toEqual("http://www.example.com/test.pdf#15");
+        expect(data.dest).toBeUndefined();
+        expect(data.newWindow).toBeFalsy();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a GoToR action, with explicit destination array", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("GoToR"));
+      actionDict.set("F", "http://www.example.com/test.pdf");
+      actionDict.set("D", [14, _primitives.Name.get("XYZ"), null, 298.043, null]);
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(489, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual(new URL("http://www.example.com/test.pdf#" + '[14,{"name":"XYZ"},null,298.043,null]').href);
+        expect(data.unsafeUrl).toEqual("http://www.example.com/test.pdf#" + '[14,{"name":"XYZ"},null,298.043,null]');
+        expect(data.dest).toBeUndefined();
+        expect(data.newWindow).toBeFalsy();
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a Launch action, where the FileSpec dict " + 'contains a relative URL, with the "docBaseUrl" parameter specified', function (done) {
+      const fileSpecDict = new _primitives.Dict();
+      fileSpecDict.set("Type", _primitives.Name.get("FileSpec"));
+      fileSpecDict.set("F", "Part II/Part II.pdf");
+      fileSpecDict.set("UF", "Part II/Part II.pdf");
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("Launch"));
+      actionDict.set("F", fileSpecDict);
+      actionDict.set("NewWindow", true);
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(88, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+      const pdfManager = new PDFManagerMock({
+        docBaseUrl: "http://www.example.com/test/pdfs/qwerty.pdf"
+      });
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManager, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toEqual(new URL("http://www.example.com/test/pdfs/Part II/Part II.pdf").href);
+        expect(data.unsafeUrl).toEqual("Part II/Part II.pdf");
+        expect(data.dest).toBeUndefined();
+        expect(data.newWindow).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should recover valid URLs from JavaScript actions having certain " + "white-listed formats", function (done) {
+      function checkJsAction(params) {
+        const jsEntry = params.jsEntry;
+        const expectedUrl = params.expectedUrl;
+        const expectedUnsafeUrl = params.expectedUnsafeUrl;
+        const expectedNewWindow = params.expectedNewWindow;
+        const actionDict = new _primitives.Dict();
+        actionDict.set("Type", _primitives.Name.get("Action"));
+        actionDict.set("S", _primitives.Name.get("JavaScript"));
+        actionDict.set("JS", jsEntry);
+        const annotationDict = new _primitives.Dict();
+        annotationDict.set("Type", _primitives.Name.get("Annot"));
+        annotationDict.set("Subtype", _primitives.Name.get("Link"));
+        annotationDict.set("A", actionDict);
+
+        const annotationRef = _primitives.Ref.get(46, 0);
+
+        const xref = new _test_utils.XRefMock([{
+          ref: annotationRef,
+          data: annotationDict
+        }]);
+        return _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+          data
+        }) => {
+          expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+          expect(data.url).toEqual(expectedUrl);
+          expect(data.unsafeUrl).toEqual(expectedUnsafeUrl);
+          expect(data.dest).toBeUndefined();
+          expect(data.newWindow).toEqual(expectedNewWindow);
+        });
+      }
+
+      const annotation1 = checkJsAction({
+        jsEntry: 'function someFun() { return "qwerty"; } someFun();',
+        expectedUrl: undefined,
+        expectedUnsafeUrl: undefined,
+        expectedNewWindow: undefined
+      });
+      const annotation2 = checkJsAction({
+        jsEntry: "window.open('http://www.example.com/test.pdf')",
+        expectedUrl: new URL("http://www.example.com/test.pdf").href,
+        expectedUnsafeUrl: "http://www.example.com/test.pdf",
+        expectedNewWindow: undefined
+      });
+      const annotation3 = checkJsAction({
+        jsEntry: new _stream.StringStream('app.launchURL("http://www.example.com/test.pdf", true)'),
+        expectedUrl: new URL("http://www.example.com/test.pdf").href,
+        expectedUnsafeUrl: "http://www.example.com/test.pdf",
+        expectedNewWindow: true
+      });
+      Promise.all([annotation1, annotation2, annotation3]).then(done, done.fail);
+    });
+    it("should correctly parse a Named action", function (done) {
+      const actionDict = new _primitives.Dict();
+      actionDict.set("Type", _primitives.Name.get("Action"));
+      actionDict.set("S", _primitives.Name.get("Named"));
+      actionDict.set("N", _primitives.Name.get("GoToPage"));
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("A", actionDict);
+
+      const annotationRef = _primitives.Ref.get(12, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toBeUndefined();
+        expect(data.action).toEqual("GoToPage");
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a simple Dest", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("Dest", _primitives.Name.get("LI0"));
+
+      const annotationRef = _primitives.Ref.get(583, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toBeUndefined();
+        expect(data.dest).toEqual("LI0");
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a simple Dest, with explicit destination array", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("Dest", [_primitives.Ref.get(17, 0), _primitives.Name.get("XYZ"), 0, 841.89, null]);
+
+      const annotationRef = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toBeUndefined();
+        expect(data.dest).toEqual([{
+          num: 17,
+          gen: 0
+        }, {
+          name: "XYZ"
+        }, 0, 841.89, null]);
+        done();
+      }, done.fail);
+    });
+    it("should correctly parse a Dest, which violates the specification " + "by containing a dictionary", function (done) {
+      const destDict = new _primitives.Dict();
+      destDict.set("Type", _primitives.Name.get("Action"));
+      destDict.set("S", _primitives.Name.get("GoTo"));
+      destDict.set("D", "page.157");
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("Dest", destDict);
+
+      const annotationRef = _primitives.Ref.get(798, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.url).toBeUndefined();
+        expect(data.unsafeUrl).toBeUndefined();
+        expect(data.dest).toEqual("page.157");
+        done();
+      }, done.fail);
+    });
+    it("should not set quadpoints if not defined", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+
+      const annotationRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.quadPoints).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should set quadpoints if defined", function (done) {
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Link"));
+      annotationDict.set("Rect", [10, 10, 20, 20]);
+      annotationDict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14]);
+
+      const annotationRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, annotationRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINK);
+        expect(data.quadPoints).toEqual([[{
+          x: 11,
+          y: 11
+        }, {
+          x: 12,
+          y: 12
+        }, {
+          x: 13,
+          y: 13
+        }, {
+          x: 14,
+          y: 14
+        }]]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("WidgetAnnotation", function () {
+    let widgetDict;
+    beforeEach(function (done) {
+      widgetDict = new _primitives.Dict();
+      widgetDict.set("Type", _primitives.Name.get("Annot"));
+      widgetDict.set("Subtype", _primitives.Name.get("Widget"));
+      done();
+    });
+    afterEach(function () {
+      widgetDict = null;
+    });
+    it("should handle unknown field names", function (done) {
+      const widgetRef = _primitives.Ref.get(20, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: widgetRef,
+        data: widgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, widgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.fieldName).toEqual("");
+        done();
+      }, done.fail);
+    });
+    it("should construct the field name when there are no ancestors", function (done) {
+      widgetDict.set("T", "foo");
+
+      const widgetRef = _primitives.Ref.get(21, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: widgetRef,
+        data: widgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, widgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.fieldName).toEqual("foo");
+        done();
+      }, done.fail);
+    });
+    it("should construct the field name when there are ancestors", function (done) {
+      const firstParent = new _primitives.Dict();
+      firstParent.set("T", "foo");
+      const secondParent = new _primitives.Dict();
+      secondParent.set("Parent", firstParent);
+      secondParent.set("T", "bar");
+      widgetDict.set("Parent", secondParent);
+      widgetDict.set("T", "baz");
+
+      const widgetRef = _primitives.Ref.get(22, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: widgetRef,
+        data: widgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, widgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.fieldName).toEqual("foo.bar.baz");
+        done();
+      }, done.fail);
+    });
+    it("should construct the field name if a parent is not a dictionary " + "(issue 8143)", function (done) {
+      const parentDict = new _primitives.Dict();
+      parentDict.set("Parent", null);
+      parentDict.set("T", "foo");
+      widgetDict.set("Parent", parentDict);
+      widgetDict.set("T", "bar");
+
+      const widgetRef = _primitives.Ref.get(22, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: widgetRef,
+        data: widgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, widgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.fieldName).toEqual("foo.bar");
+        done();
+      }, done.fail);
+    });
+  });
+  describe("TextWidgetAnnotation", function () {
+    let textWidgetDict, fontRefObj;
+    beforeEach(function (done) {
+      textWidgetDict = new _primitives.Dict();
+      textWidgetDict.set("Type", _primitives.Name.get("Annot"));
+      textWidgetDict.set("Subtype", _primitives.Name.get("Widget"));
+      textWidgetDict.set("FT", _primitives.Name.get("Tx"));
+      const helvDict = new _primitives.Dict();
+      helvDict.set("BaseFont", _primitives.Name.get("Helvetica"));
+      helvDict.set("Type", _primitives.Name.get("Font"));
+      helvDict.set("Subtype", _primitives.Name.get("Type1"));
+
+      const fontRef = _primitives.Ref.get(314, 0);
+
+      fontRefObj = {
+        ref: fontRef,
+        data: helvDict
+      };
+      const resourceDict = new _primitives.Dict();
+      const fontDict = new _primitives.Dict();
+      fontDict.set("Helv", fontRef);
+      resourceDict.set("Font", fontDict);
+      textWidgetDict.set("DA", "/Helv 5 Tf");
+      textWidgetDict.set("DR", resourceDict);
+      textWidgetDict.set("Rect", [0, 0, 32, 10]);
+      done();
+    });
+    afterEach(function () {
+      textWidgetDict = fontRefObj = null;
+    });
+    it("should handle unknown text alignment, maximum length and flags", function (done) {
+      const textWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.textAlignment).toEqual(null);
+        expect(data.maxLen).toEqual(null);
+        expect(data.readOnly).toEqual(false);
+        expect(data.multiLine).toEqual(false);
+        expect(data.comb).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should not set invalid text alignment, maximum length and flags", function (done) {
+      textWidgetDict.set("Q", "center");
+      textWidgetDict.set("MaxLen", "five");
+      textWidgetDict.set("Ff", "readonly");
+
+      const textWidgetRef = _primitives.Ref.get(43, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.textAlignment).toEqual(null);
+        expect(data.maxLen).toEqual(null);
+        expect(data.readOnly).toEqual(false);
+        expect(data.multiLine).toEqual(false);
+        expect(data.comb).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should set valid text alignment, maximum length and flags", function (done) {
+      textWidgetDict.set("Q", 1);
+      textWidgetDict.set("MaxLen", 20);
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.READONLY + _util.AnnotationFieldFlag.MULTILINE);
+
+      const textWidgetRef = _primitives.Ref.get(84, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.textAlignment).toEqual(1);
+        expect(data.maxLen).toEqual(20);
+        expect(data.readOnly).toEqual(true);
+        expect(data.multiLine).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should reject comb fields without a maximum length", function (done) {
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.COMB);
+
+      const textWidgetRef = _primitives.Ref.get(46, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.comb).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should accept comb fields with a maximum length", function (done) {
+      textWidgetDict.set("MaxLen", 20);
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.COMB);
+
+      const textWidgetRef = _primitives.Ref.get(46, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.comb).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should only accept comb fields when the flags are valid", function (done) {
+      const invalidFieldFlags = [_util.AnnotationFieldFlag.MULTILINE, _util.AnnotationFieldFlag.PASSWORD, _util.AnnotationFieldFlag.FILESELECT];
+      let flags = _util.AnnotationFieldFlag.COMB + _util.AnnotationFieldFlag.MULTILINE + _util.AnnotationFieldFlag.PASSWORD + _util.AnnotationFieldFlag.FILESELECT;
+      let promise = Promise.resolve();
+
+      for (let i = 0, ii = invalidFieldFlags.length; i <= ii; i++) {
+        promise = promise.then(() => {
+          textWidgetDict.set("MaxLen", 20);
+          textWidgetDict.set("Ff", flags);
+
+          const textWidgetRef = _primitives.Ref.get(93, 0);
+
+          const xref = new _test_utils.XRefMock([{
+            ref: textWidgetRef,
+            data: textWidgetDict
+          }]);
+          return _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(({
+            data
+          }) => {
+            expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+            const valid = invalidFieldFlags.length === 0;
+            expect(data.comb).toEqual(valid);
+
+            if (!valid) {
+              flags -= invalidFieldFlags.pop();
+            }
+          });
+        });
+      }
+
+      promise.then(done, done.fail);
+    });
+    it("should render regular text for printing", function (done) {
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "test\\print";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual("/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm" + " 2.00 2.00 Td (test\\\\print) Tj ET Q EMC");
+        done();
+      }, done.fail);
+    });
+    it("should render auto-sized text for printing", function (done) {
+      textWidgetDict.set("DA", "/Helv 0 Tf");
+
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "test (print)";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual("/Tx BMC q BT /Helv 11 Tf 1 0 0 1 0 0 Tm" + " 2.00 2.00 Td (test \\(print\\)) Tj ET Q EMC");
+        done();
+      }, done.fail);
+    });
+    it("should not render a password for printing", function (done) {
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.PASSWORD);
+
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "mypassword";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual(null);
+        done();
+      }, done.fail);
+    });
+    it("should render multiline text for printing", function (done) {
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.MULTILINE);
+
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "a aa aaa aaaa aaaaa aaaaaa " + "pneumonoultramicroscopicsilicovolcanoconiosis";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual("/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 10 Tm " + "2.00 -5.00 Td (a aa aaa ) Tj\n" + "0.00 -5.00 Td (aaaa aaaaa ) Tj\n" + "0.00 -5.00 Td (aaaaaa ) Tj\n" + "0.00 -5.00 Td (pneumonoultr) Tj\n" + "0.00 -5.00 Td (amicroscopi) Tj\n" + "0.00 -5.00 Td (csilicovolca) Tj\n" + "0.00 -5.00 Td (noconiosis) Tj ET Q EMC");
+        done();
+      }, done.fail);
+    });
+    it("should render multiline text with various EOL for printing", function (done) {
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.MULTILINE);
+      textWidgetDict.set("Rect", [0, 0, 128, 10]);
+
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+      const expectedAppearance = "/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 10 Tm " + "2.00 -5.00 Td " + "(Lorem ipsum dolor sit amet, consectetur adipiscing elit.) Tj\n" + "0.00 -5.00 Td " + "(Aliquam vitae felis ac lectus bibendum ultricies quis non) Tj\n" + "0.00 -5.00 Td " + "( diam.) Tj\n" + "0.00 -5.00 Td " + "(Morbi id porttitor quam, a iaculis dui.) Tj\n" + "0.00 -5.00 Td " + "(Pellentesque habitant morbi tristique senectus et netus ) Tj\n" + "0.00 -5.00 Td " + "(et malesuada fames ac turpis egestas.) Tj\n" + "0.00 -5.00 Td () Tj\n" + "0.00 -5.00 Td () Tj\n" + "0.00 -5.00 Td " + "(Nulla consectetur, ligula in tincidunt placerat, velit ) Tj\n" + "0.00 -5.00 Td " + "(augue consectetur orci, sed mattis libero nunc ut massa.) Tj\n" + "0.00 -5.00 Td " + "(Etiam facilisis tempus interdum.) Tj ET Q EMC";
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.\r" + "Aliquam vitae felis ac lectus bibendum ultricies quis non diam.\n" + "Morbi id porttitor quam, a iaculis dui.\r\n" + "Pellentesque habitant morbi tristique senectus et " + "netus et malesuada fames ac turpis egestas.\n\r\n\r" + "Nulla consectetur, ligula in tincidunt placerat, " + "velit augue consectetur orci, sed mattis libero nunc ut massa.\r" + "Etiam facilisis tempus interdum.";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual(expectedAppearance);
+        done();
+      }, done.fail);
+    });
+    it("should render comb for printing", function (done) {
+      textWidgetDict.set("Ff", _util.AnnotationFieldFlag.COMB);
+      textWidgetDict.set("MaxLen", 4);
+
+      const textWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "aa(aa)a\\";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual("/Tx BMC q BT /Helv 5 Tf 1 0 0 1 2 2 Tm" + " (a) Tj 8.00 0 Td (a) Tj 8.00 0 Td (\\() Tj" + " 8.00 0 Td (a) Tj 8.00 0 Td (a) Tj" + " 8.00 0 Td (\\)) Tj 8.00 0 Td (a) Tj" + " 8.00 0 Td (\\\\) Tj ET Q EMC");
+        done();
+      }, done.fail);
+    });
+    it("should save text", function (done) {
+      const textWidgetRef = _primitives.Ref.get(123, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: textWidgetRef,
+        data: textWidgetDict
+      }]);
+      partialEvaluator.xref = xref;
+      const task = new _worker.WorkerTask("test save");
+
+      _annotation.AnnotationFactory.create(xref, textWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = "hello world";
+        return annotation.save(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(data => {
+        expect(data.length).toEqual(2);
+        const [oldData, newData] = data;
+        expect(oldData.ref).toEqual(_primitives.Ref.get(123, 0));
+        expect(newData.ref).toEqual(_primitives.Ref.get(1, 0));
+        oldData.data = oldData.data.replace(/\(D:[0-9]+\)/, "(date)");
+        expect(oldData.data).toEqual("123 0 obj\n" + "<< /Type /Annot /Subtype /Widget /FT /Tx /DA (/Helv 5 Tf) /DR " + "<< /Font << /Helv 314 0 R>>>> /Rect [0 0 32 10] " + "/V (hello world) /AP << /N 1 0 R>> /M (date)>>\nendobj\n");
+        expect(newData.data).toEqual("1 0 obj\n<< /Length 77 /Subtype /Form /Resources " + "<< /Font << /Helv 314 0 R>>>> /BBox [0 0 32 10]>> stream\n" + "/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm 2.00 2.00 Td (hello world) Tj " + "ET Q EMC\nendstream\nendobj\n");
+        done();
+      }, done.fail);
+    });
+  });
+  describe("ButtonWidgetAnnotation", function () {
+    let buttonWidgetDict;
+    beforeEach(function (done) {
+      buttonWidgetDict = new _primitives.Dict();
+      buttonWidgetDict.set("Type", _primitives.Name.get("Annot"));
+      buttonWidgetDict.set("Subtype", _primitives.Name.get("Widget"));
+      buttonWidgetDict.set("FT", _primitives.Name.get("Btn"));
+      done();
+    });
+    afterEach(function () {
+      buttonWidgetDict = null;
+    });
+    it("should handle checkboxes with export value", function (done) {
+      buttonWidgetDict.set("V", _primitives.Name.get("1"));
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      normalAppearanceDict.set("Off", 0);
+      normalAppearanceDict.set("Checked", 1);
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(true);
+        expect(data.fieldValue).toEqual("1");
+        expect(data.radioButton).toEqual(false);
+        expect(data.exportValue).toEqual("Checked");
+        done();
+      }, done.fail);
+    });
+    it("should handle checkboxes without export value", function (done) {
+      buttonWidgetDict.set("V", _primitives.Name.get("1"));
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(true);
+        expect(data.fieldValue).toEqual("1");
+        expect(data.radioButton).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should handle checkboxes without /Off appearance", function (done) {
+      buttonWidgetDict.set("V", _primitives.Name.get("1"));
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      normalAppearanceDict.set("Checked", 1);
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(true);
+        expect(data.fieldValue).toEqual("1");
+        expect(data.radioButton).toEqual(false);
+        expect(data.exportValue).toEqual("Checked");
+        done();
+      }, done.fail);
+    });
+    it("should render checkboxes for printing", function (done) {
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      const checkedAppearanceDict = new _primitives.Dict();
+      const uncheckedAppearanceDict = new _primitives.Dict();
+      const checkedStream = new _stream.StringStream("0.1 0.2 0.3 rg");
+      checkedStream.dict = checkedAppearanceDict;
+      const uncheckedStream = new _stream.StringStream("0.3 0.2 0.1 rg");
+      uncheckedStream.dict = uncheckedAppearanceDict;
+      checkedAppearanceDict.set("BBox", [0, 0, 8, 8]);
+      checkedAppearanceDict.set("FormType", 1);
+      checkedAppearanceDict.set("Matrix", [1, 0, 0, 1, 0, 0]);
+      normalAppearanceDict.set("Checked", checkedStream);
+      normalAppearanceDict.set("Off", uncheckedStream);
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+      const task = new _worker.WorkerTask("test print");
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = true;
+        return Promise.all([annotation, annotation.getOperatorList(partialEvaluator, task, false, annotationStorage)]);
+      }, done.fail).then(([annotation, opList]) => {
+        expect(opList.argsArray.length).toEqual(3);
+        expect(opList.fnArray).toEqual([_util.OPS.beginAnnotation, _util.OPS.setFillRGBColor, _util.OPS.endAnnotation]);
+        expect(opList.argsArray[1]).toEqual(new Uint8ClampedArray([26, 51, 76]));
+        return annotation;
+      }, done.fail).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = false;
+        return annotation.getOperatorList(partialEvaluator, task, false, annotationStorage);
+      }, done.fail).then(opList => {
+        expect(opList.argsArray.length).toEqual(3);
+        expect(opList.fnArray).toEqual([_util.OPS.beginAnnotation, _util.OPS.setFillRGBColor, _util.OPS.endAnnotation]);
+        expect(opList.argsArray[1]).toEqual(new Uint8ClampedArray([76, 51, 26]));
+        done();
+      }, done.fail);
+    });
+    it("should save checkboxes", function (done) {
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      normalAppearanceDict.set("Checked", _primitives.Ref.get(314, 0));
+      normalAppearanceDict.set("Off", _primitives.Ref.get(271, 0));
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+      buttonWidgetDict.set("V", _primitives.Name.get("Off"));
+
+      const buttonWidgetRef = _primitives.Ref.get(123, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+      partialEvaluator.xref = xref;
+      const task = new _worker.WorkerTask("test save");
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = true;
+        return Promise.all([annotation, annotation.save(partialEvaluator, task, annotationStorage)]);
+      }, done.fail).then(([annotation, [oldData]]) => {
+        oldData.data = oldData.data.replace(/\(D:[0-9]+\)/, "(date)");
+        expect(oldData.ref).toEqual(_primitives.Ref.get(123, 0));
+        expect(oldData.data).toEqual("123 0 obj\n" + "<< /Type /Annot /Subtype /Widget /FT /Btn " + "/AP << /N << /Checked 314 0 R /Off 271 0 R>>>> " + "/V /Checked /AS /Checked /M (date)>>\nendobj\n");
+        return annotation;
+      }, done.fail).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = false;
+        return annotation.save(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(data => {
+        expect(data).toEqual(null);
+        done();
+      }, done.fail);
+    });
+    it("should handle radio buttons with a field value", function (done) {
+      const parentDict = new _primitives.Dict();
+      parentDict.set("V", _primitives.Name.get("1"));
+      const normalAppearanceStateDict = new _primitives.Dict();
+      normalAppearanceStateDict.set("2", null);
+      const appearanceStatesDict = new _primitives.Dict();
+      appearanceStatesDict.set("N", normalAppearanceStateDict);
+      buttonWidgetDict.set("Ff", _util.AnnotationFieldFlag.RADIO);
+      buttonWidgetDict.set("Parent", parentDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(false);
+        expect(data.radioButton).toEqual(true);
+        expect(data.fieldValue).toEqual("1");
+        expect(data.buttonValue).toEqual("2");
+        done();
+      }, done.fail);
+    });
+    it("should handle radio buttons without a field value", function (done) {
+      const normalAppearanceStateDict = new _primitives.Dict();
+      normalAppearanceStateDict.set("2", null);
+      const appearanceStatesDict = new _primitives.Dict();
+      appearanceStatesDict.set("N", normalAppearanceStateDict);
+      buttonWidgetDict.set("Ff", _util.AnnotationFieldFlag.RADIO);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(false);
+        expect(data.radioButton).toEqual(true);
+        expect(data.fieldValue).toEqual(null);
+        expect(data.buttonValue).toEqual("2");
+        done();
+      }, done.fail);
+    });
+    it("should render radio buttons for printing", function (done) {
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      const checkedAppearanceDict = new _primitives.Dict();
+      const uncheckedAppearanceDict = new _primitives.Dict();
+      const checkedStream = new _stream.StringStream("0.1 0.2 0.3 rg");
+      checkedStream.dict = checkedAppearanceDict;
+      const uncheckedStream = new _stream.StringStream("0.3 0.2 0.1 rg");
+      uncheckedStream.dict = uncheckedAppearanceDict;
+      checkedAppearanceDict.set("BBox", [0, 0, 8, 8]);
+      checkedAppearanceDict.set("FormType", 1);
+      checkedAppearanceDict.set("Matrix", [1, 0, 0, 1, 0, 0]);
+      normalAppearanceDict.set("Checked", checkedStream);
+      normalAppearanceDict.set("Off", uncheckedStream);
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("Ff", _util.AnnotationFieldFlag.RADIO);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(124, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }]);
+      const task = new _worker.WorkerTask("test print");
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = true;
+        return Promise.all([annotation, annotation.getOperatorList(partialEvaluator, task, false, annotationStorage)]);
+      }, done.fail).then(([annotation, opList]) => {
+        expect(opList.argsArray.length).toEqual(3);
+        expect(opList.fnArray).toEqual([_util.OPS.beginAnnotation, _util.OPS.setFillRGBColor, _util.OPS.endAnnotation]);
+        expect(opList.argsArray[1]).toEqual(new Uint8ClampedArray([26, 51, 76]));
+        return annotation;
+      }, done.fail).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = false;
+        return annotation.getOperatorList(partialEvaluator, task, false, annotationStorage);
+      }, done.fail).then(opList => {
+        expect(opList.argsArray.length).toEqual(3);
+        expect(opList.fnArray).toEqual([_util.OPS.beginAnnotation, _util.OPS.setFillRGBColor, _util.OPS.endAnnotation]);
+        expect(opList.argsArray[1]).toEqual(new Uint8ClampedArray([76, 51, 26]));
+        done();
+      }, done.fail);
+    });
+    it("should save radio buttons", function (done) {
+      const appearanceStatesDict = new _primitives.Dict();
+      const normalAppearanceDict = new _primitives.Dict();
+      normalAppearanceDict.set("Checked", _primitives.Ref.get(314, 0));
+      normalAppearanceDict.set("Off", _primitives.Ref.get(271, 0));
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("Ff", _util.AnnotationFieldFlag.RADIO);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = _primitives.Ref.get(123, 0);
+
+      const parentRef = _primitives.Ref.get(456, 0);
+
+      const parentDict = new _primitives.Dict();
+      parentDict.set("V", _primitives.Name.get("Off"));
+      parentDict.set("Kids", [buttonWidgetRef]);
+      buttonWidgetDict.set("Parent", parentRef);
+      const xref = new _test_utils.XRefMock([{
+        ref: buttonWidgetRef,
+        data: buttonWidgetDict
+      }, {
+        ref: parentRef,
+        data: parentDict
+      }]);
+      parentDict.xref = xref;
+      buttonWidgetDict.xref = xref;
+      partialEvaluator.xref = xref;
+      const task = new _worker.WorkerTask("test save");
+
+      _annotation.AnnotationFactory.create(xref, buttonWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = true;
+        return Promise.all([annotation, annotation.save(partialEvaluator, task, annotationStorage)]);
+      }, done.fail).then(([annotation, data]) => {
+        expect(data.length).toEqual(2);
+        const [radioData, parentData] = data;
+        radioData.data = radioData.data.replace(/\(D:[0-9]+\)/, "(date)");
+        expect(radioData.ref).toEqual(_primitives.Ref.get(123, 0));
+        expect(radioData.data).toEqual("123 0 obj\n" + "<< /Type /Annot /Subtype /Widget /FT /Btn /Ff 32768 " + "/AP << /N << /Checked 314 0 R /Off 271 0 R>>>> " + "/Parent 456 0 R /AS /Checked /M (date)>>\nendobj\n");
+        expect(parentData.ref).toEqual(_primitives.Ref.get(456, 0));
+        expect(parentData.data).toEqual("456 0 obj\n<< /V /Checked /Kids [123 0 R]>>\nendobj\n");
+        return annotation;
+      }, done.fail).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = false;
+        return annotation.save(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(data => {
+        expect(data).toEqual(null);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("ChoiceWidgetAnnotation", function () {
+    let choiceWidgetDict, fontRefObj;
+    beforeEach(function (done) {
+      choiceWidgetDict = new _primitives.Dict();
+      choiceWidgetDict.set("Type", _primitives.Name.get("Annot"));
+      choiceWidgetDict.set("Subtype", _primitives.Name.get("Widget"));
+      choiceWidgetDict.set("FT", _primitives.Name.get("Ch"));
+      const helvDict = new _primitives.Dict();
+      helvDict.set("BaseFont", _primitives.Name.get("Helvetica"));
+      helvDict.set("Type", _primitives.Name.get("Font"));
+      helvDict.set("Subtype", _primitives.Name.get("Type1"));
+
+      const fontRef = _primitives.Ref.get(314, 0);
+
+      fontRefObj = {
+        ref: fontRef,
+        data: helvDict
+      };
+      const resourceDict = new _primitives.Dict();
+      const fontDict = new _primitives.Dict();
+      fontDict.set("Helv", fontRef);
+      resourceDict.set("Font", fontDict);
+      choiceWidgetDict.set("DA", "/Helv 5 Tf");
+      choiceWidgetDict.set("DR", resourceDict);
+      choiceWidgetDict.set("Rect", [0, 0, 32, 10]);
+      done();
+    });
+    afterEach(function () {
+      choiceWidgetDict = fontRefObj = null;
+    });
+    it("should handle missing option arrays", function (done) {
+      const choiceWidgetRef = _primitives.Ref.get(122, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.options).toEqual([]);
+        done();
+      }, done.fail);
+    });
+    it("should handle option arrays with array elements", function (done) {
+      const optionBarRef = _primitives.Ref.get(20, 0);
+
+      const optionBarStr = "Bar";
+
+      const optionOneRef = _primitives.Ref.get(10, 0);
+
+      const optionOneArr = ["bar_export", optionBarRef];
+      const options = [["foo_export", "Foo"], optionOneRef];
+      const expected = [{
+        exportValue: "foo_export",
+        displayValue: "Foo"
+      }, {
+        exportValue: "bar_export",
+        displayValue: "Bar"
+      }];
+      choiceWidgetDict.set("Opt", options);
+
+      const choiceWidgetRef = _primitives.Ref.get(123, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }, {
+        ref: optionBarRef,
+        data: optionBarStr
+      }, {
+        ref: optionOneRef,
+        data: optionOneArr
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.options).toEqual(expected);
+        done();
+      }, done.fail);
+    });
+    it("should handle option arrays with string elements", function (done) {
+      const optionBarRef = _primitives.Ref.get(10, 0);
+
+      const optionBarStr = "Bar";
+      const options = ["Foo", optionBarRef];
+      const expected = [{
+        exportValue: "Foo",
+        displayValue: "Foo"
+      }, {
+        exportValue: "Bar",
+        displayValue: "Bar"
+      }];
+      choiceWidgetDict.set("Opt", options);
+
+      const choiceWidgetRef = _primitives.Ref.get(981, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }, {
+        ref: optionBarRef,
+        data: optionBarStr
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.options).toEqual(expected);
+        done();
+      }, done.fail);
+    });
+    it("should handle inherited option arrays (issue 8094)", function (done) {
+      const options = [["Value1", "Description1"], ["Value2", "Description2"]];
+      const expected = [{
+        exportValue: "Value1",
+        displayValue: "Description1"
+      }, {
+        exportValue: "Value2",
+        displayValue: "Description2"
+      }];
+      const parentDict = new _primitives.Dict();
+      parentDict.set("Opt", options);
+      choiceWidgetDict.set("Parent", parentDict);
+
+      const choiceWidgetRef = _primitives.Ref.get(123, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.options).toEqual(expected);
+        done();
+      }, done.fail);
+    });
+    it("should decode form values", function (done) {
+      const encodedString = "\xFE\xFF\x00F\x00o\x00o";
+      const decodedString = "Foo";
+      choiceWidgetDict.set("Opt", [encodedString]);
+      choiceWidgetDict.set("V", encodedString);
+
+      const choiceWidgetRef = _primitives.Ref.get(984, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.fieldValue).toEqual([decodedString]);
+        expect(data.options).toEqual([{
+          exportValue: decodedString,
+          displayValue: decodedString
+        }]);
+        done();
+      }, done.fail);
+    });
+    it("should convert the field value to an array", function (done) {
+      const inputs = [null, "Foo", ["Foo", "Bar"]];
+      const outputs = [[], ["Foo"], ["Foo", "Bar"]];
+      let promise = Promise.resolve();
+
+      for (let i = 0, ii = inputs.length; i < ii; i++) {
+        promise = promise.then(() => {
+          choiceWidgetDict.set("V", inputs[i]);
+
+          const choiceWidgetRef = _primitives.Ref.get(968, 0);
+
+          const xref = new _test_utils.XRefMock([{
+            ref: choiceWidgetRef,
+            data: choiceWidgetDict
+          }]);
+          return _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+            data
+          }) => {
+            expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+            expect(data.fieldValue).toEqual(outputs[i]);
+          });
+        });
+      }
+
+      promise.then(done, done.fail);
+    });
+    it("should handle unknown flags", function (done) {
+      const choiceWidgetRef = _primitives.Ref.get(166, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.readOnly).toEqual(false);
+        expect(data.combo).toEqual(false);
+        expect(data.multiSelect).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should not set invalid flags", function (done) {
+      choiceWidgetDict.set("Ff", "readonly");
+
+      const choiceWidgetRef = _primitives.Ref.get(165, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.readOnly).toEqual(false);
+        expect(data.combo).toEqual(false);
+        expect(data.multiSelect).toEqual(false);
+        done();
+      }, done.fail);
+    });
+    it("should set valid flags", function (done) {
+      choiceWidgetDict.set("Ff", _util.AnnotationFieldFlag.READONLY + _util.AnnotationFieldFlag.COMBO + _util.AnnotationFieldFlag.MULTISELECT);
+
+      const choiceWidgetRef = _primitives.Ref.get(512, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.WIDGET);
+        expect(data.readOnly).toEqual(true);
+        expect(data.combo).toEqual(true);
+        expect(data.multiSelect).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should render choice for printing", function (done) {
+      const choiceWidgetRef = _primitives.Ref.get(271, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }, fontRefObj]);
+      const task = new _worker.WorkerTask("test print");
+      partialEvaluator.xref = xref;
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const id = annotation.data.id;
+        const annotationStorage = {};
+        annotationStorage[id] = "a value";
+        return annotation._getAppearance(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(appearance => {
+        expect(appearance).toEqual("/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm" + " 2.00 2.00 Td (a value) Tj ET Q EMC");
+        done();
+      }, done.fail);
+    });
+    it("should save choice", function (done) {
+      choiceWidgetDict.set("Opt", ["A", "B", "C"]);
+      choiceWidgetDict.set("V", "A");
+
+      const choiceWidgetRef = _primitives.Ref.get(123, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: choiceWidgetRef,
+        data: choiceWidgetDict
+      }]);
+      partialEvaluator.xref = xref;
+      const task = new _worker.WorkerTask("test save");
+
+      _annotation.AnnotationFactory.create(xref, choiceWidgetRef, pdfManagerMock, idFactoryMock).then(annotation => {
+        const annotationStorage = {};
+        annotationStorage[annotation.data.id] = "C";
+        return annotation.save(partialEvaluator, task, annotationStorage);
+      }, done.fail).then(data => {
+        expect(data.length).toEqual(2);
+        const [oldData, newData] = data;
+        expect(oldData.ref).toEqual(_primitives.Ref.get(123, 0));
+        expect(newData.ref).toEqual(_primitives.Ref.get(1, 0));
+        oldData.data = oldData.data.replace(/\(D:[0-9]+\)/, "(date)");
+        expect(oldData.data).toEqual("123 0 obj\n" + "<< /Type /Annot /Subtype /Widget /FT /Ch /DA (/Helv 5 Tf) /DR " + "<< /Font << /Helv 314 0 R>>>> " + "/Rect [0 0 32 10] /Opt [(A) (B) (C)] /V (C) " + "/AP << /N 1 0 R>> /M (date)>>\nendobj\n");
+        expect(newData.data).toEqual("1 0 obj\n" + "<< /Length 67 /Subtype /Form /Resources << /Font << /Helv 314 0 R>>>> " + "/BBox [0 0 32 10]>> stream\n" + "/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm 2.00 2.00 Td (C) Tj ET Q EMC\n" + "endstream\nendobj\n");
+        done();
+      }, done.fail);
+    });
+  });
+  describe("LineAnnotation", function () {
+    it("should set the line coordinates", function (done) {
+      const lineDict = new _primitives.Dict();
+      lineDict.set("Type", _primitives.Name.get("Annot"));
+      lineDict.set("Subtype", _primitives.Name.get("Line"));
+      lineDict.set("L", [1, 2, 3, 4]);
+
+      const lineRef = _primitives.Ref.get(122, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: lineRef,
+        data: lineDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, lineRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.LINE);
+        expect(data.lineCoordinates).toEqual([1, 2, 3, 4]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("FileAttachmentAnnotation", function () {
+    it("should correctly parse a file attachment", function (done) {
+      const fileStream = new _stream.StringStream("<<\n" + "/Type /EmbeddedFile\n" + "/Subtype /text#2Fplain\n" + ">>\n" + "stream\n" + "Test attachment" + "endstream\n");
+      const parser = new _parser.Parser({
+        lexer: new _parser.Lexer(fileStream),
+        xref: null,
+        allowStreams: true
+      });
+
+      const fileStreamRef = _primitives.Ref.get(18, 0);
+
+      const fileStreamDict = parser.getObj();
+      const embeddedFileDict = new _primitives.Dict();
+      embeddedFileDict.set("F", fileStreamRef);
+
+      const fileSpecRef = _primitives.Ref.get(19, 0);
+
+      const fileSpecDict = new _primitives.Dict();
+      fileSpecDict.set("Type", _primitives.Name.get("Filespec"));
+      fileSpecDict.set("Desc", "");
+      fileSpecDict.set("EF", embeddedFileDict);
+      fileSpecDict.set("UF", "Test.txt");
+
+      const fileAttachmentRef = _primitives.Ref.get(20, 0);
+
+      const fileAttachmentDict = new _primitives.Dict();
+      fileAttachmentDict.set("Type", _primitives.Name.get("Annot"));
+      fileAttachmentDict.set("Subtype", _primitives.Name.get("FileAttachment"));
+      fileAttachmentDict.set("FS", fileSpecRef);
+      fileAttachmentDict.set("T", "Topic");
+      fileAttachmentDict.set("Contents", "Test.txt");
+      const xref = new _test_utils.XRefMock([{
+        ref: fileStreamRef,
+        data: fileStreamDict
+      }, {
+        ref: fileSpecRef,
+        data: fileSpecDict
+      }, {
+        ref: fileAttachmentRef,
+        data: fileAttachmentDict
+      }]);
+      embeddedFileDict.assignXref(xref);
+      fileSpecDict.assignXref(xref);
+      fileAttachmentDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, fileAttachmentRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.FILEATTACHMENT);
+        expect(data.file.filename).toEqual("Test.txt");
+        expect(data.file.content).toEqual((0, _util.stringToBytes)("Test attachment"));
+        done();
+      }, done.fail);
+    });
+  });
+  describe("PopupAnnotation", function () {
+    it("should inherit properties from its parent", function (done) {
+      const parentDict = new _primitives.Dict();
+      parentDict.set("Type", _primitives.Name.get("Annot"));
+      parentDict.set("Subtype", _primitives.Name.get("Text"));
+      parentDict.set("M", "D:20190423");
+      parentDict.set("C", [0, 0, 1]);
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("Parent", parentDict);
+
+      const popupRef = _primitives.Ref.get(13, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: popupRef,
+        data: popupDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, popupRef, pdfManagerMock, idFactoryMock).then(({
+        data,
+        viewable
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.POPUP);
+        expect(data.modificationDate).toEqual("D:20190423");
+        expect(data.color).toEqual(new Uint8ClampedArray([0, 0, 255]));
+        done();
+      }, done.fail);
+    });
+    it("should handle missing parent properties", function (done) {
+      const parentDict = new _primitives.Dict();
+      parentDict.set("Type", _primitives.Name.get("Annot"));
+      parentDict.set("Subtype", _primitives.Name.get("Text"));
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("Parent", parentDict);
+
+      const popupRef = _primitives.Ref.get(13, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: popupRef,
+        data: popupDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, popupRef, pdfManagerMock, idFactoryMock).then(({
+        data,
+        viewable
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.POPUP);
+        expect(data.modificationDate).toEqual(null);
+        expect(data.color).toEqual(null);
+        done();
+      }, done.fail);
+    });
+    it("should inherit the parent flags when the Popup is not viewable, " + "but the parent is (PR 7352)", function (done) {
+      const parentDict = new _primitives.Dict();
+      parentDict.set("Type", _primitives.Name.get("Annot"));
+      parentDict.set("Subtype", _primitives.Name.get("Text"));
+      parentDict.set("F", 28);
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("F", 25);
+      popupDict.set("Parent", parentDict);
+
+      const popupRef = _primitives.Ref.get(13, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: popupRef,
+        data: popupDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, popupRef, pdfManagerMock, idFactoryMock).then(({
+        data,
+        viewable
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.POPUP);
+        expect(data.annotationFlags).toEqual(25);
+        expect(viewable).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("should correctly inherit Contents from group-master annotation " + "if parent has ReplyType == Group", function (done) {
+      const annotationRef = _primitives.Ref.get(819, 0);
+
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("Type", _primitives.Name.get("Annot"));
+      annotationDict.set("Subtype", _primitives.Name.get("Text"));
+      annotationDict.set("T", "Correct Title");
+      annotationDict.set("Contents", "Correct Text");
+      annotationDict.set("M", "D:20190423");
+      annotationDict.set("C", [0, 0, 1]);
+
+      const replyRef = _primitives.Ref.get(820, 0);
+
+      const replyDict = new _primitives.Dict();
+      replyDict.set("Type", _primitives.Name.get("Annot"));
+      replyDict.set("Subtype", _primitives.Name.get("Text"));
+      replyDict.set("IRT", annotationRef);
+      replyDict.set("RT", _primitives.Name.get("Group"));
+      replyDict.set("T", "Reply Title");
+      replyDict.set("Contents", "Reply Text");
+      replyDict.set("M", "D:20190523");
+      replyDict.set("C", [0.4]);
+
+      const popupRef = _primitives.Ref.get(821, 0);
+
+      const popupDict = new _primitives.Dict();
+      popupDict.set("Type", _primitives.Name.get("Annot"));
+      popupDict.set("Subtype", _primitives.Name.get("Popup"));
+      popupDict.set("T", "Wrong Title");
+      popupDict.set("Contents", "Wrong Text");
+      popupDict.set("Parent", replyRef);
+      popupDict.set("M", "D:20190623");
+      popupDict.set("C", [0.8]);
+      replyDict.set("Popup", popupRef);
+      const xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: replyRef,
+        data: replyDict
+      }, {
+        ref: popupRef,
+        data: popupDict
+      }]);
+      annotationDict.assignXref(xref);
+      popupDict.assignXref(xref);
+      replyDict.assignXref(xref);
+
+      _annotation.AnnotationFactory.create(xref, popupRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.title).toEqual("Correct Title");
+        expect(data.contents).toEqual("Correct Text");
+        expect(data.modificationDate).toEqual("D:20190423");
+        expect(data.color).toEqual(new Uint8ClampedArray([0, 0, 255]));
+        done();
+      }, done.fail);
+    });
+  });
+  describe("InkAnnotation", function () {
+    it("should handle a single ink list", function (done) {
+      const inkDict = new _primitives.Dict();
+      inkDict.set("Type", _primitives.Name.get("Annot"));
+      inkDict.set("Subtype", _primitives.Name.get("Ink"));
+      inkDict.set("InkList", [[1, 1, 1, 2, 2, 2, 3, 3]]);
+
+      const inkRef = _primitives.Ref.get(142, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: inkRef,
+        data: inkDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, inkRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.INK);
+        expect(data.inkLists.length).toEqual(1);
+        expect(data.inkLists[0]).toEqual([{
+          x: 1,
+          y: 1
+        }, {
+          x: 1,
+          y: 2
+        }, {
+          x: 2,
+          y: 2
+        }, {
+          x: 3,
+          y: 3
+        }]);
+        done();
+      }, done.fail);
+    });
+    it("should handle multiple ink lists", function (done) {
+      const inkDict = new _primitives.Dict();
+      inkDict.set("Type", _primitives.Name.get("Annot"));
+      inkDict.set("Subtype", _primitives.Name.get("Ink"));
+      inkDict.set("InkList", [[1, 1, 1, 2], [3, 3, 4, 5]]);
+
+      const inkRef = _primitives.Ref.get(143, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: inkRef,
+        data: inkDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, inkRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.INK);
+        expect(data.inkLists.length).toEqual(2);
+        expect(data.inkLists[0]).toEqual([{
+          x: 1,
+          y: 1
+        }, {
+          x: 1,
+          y: 2
+        }]);
+        expect(data.inkLists[1]).toEqual([{
+          x: 3,
+          y: 3
+        }, {
+          x: 4,
+          y: 5
+        }]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("HightlightAnnotation", function () {
+    it("should not set quadpoints if not defined", function (done) {
+      const highlightDict = new _primitives.Dict();
+      highlightDict.set("Type", _primitives.Name.get("Annot"));
+      highlightDict.set("Subtype", _primitives.Name.get("Highlight"));
+
+      const highlightRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: highlightRef,
+        data: highlightDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, highlightRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.HIGHLIGHT);
+        expect(data.quadPoints).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should set quadpoints if defined", function (done) {
+      const highlightDict = new _primitives.Dict();
+      highlightDict.set("Type", _primitives.Name.get("Annot"));
+      highlightDict.set("Subtype", _primitives.Name.get("Highlight"));
+      highlightDict.set("Rect", [10, 10, 20, 20]);
+      highlightDict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14]);
+
+      const highlightRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: highlightRef,
+        data: highlightDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, highlightRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.HIGHLIGHT);
+        expect(data.quadPoints).toEqual([[{
+          x: 11,
+          y: 11
+        }, {
+          x: 12,
+          y: 12
+        }, {
+          x: 13,
+          y: 13
+        }, {
+          x: 14,
+          y: 14
+        }]]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("UnderlineAnnotation", function () {
+    it("should not set quadpoints if not defined", function (done) {
+      const underlineDict = new _primitives.Dict();
+      underlineDict.set("Type", _primitives.Name.get("Annot"));
+      underlineDict.set("Subtype", _primitives.Name.get("Underline"));
+
+      const underlineRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: underlineRef,
+        data: underlineDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, underlineRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.UNDERLINE);
+        expect(data.quadPoints).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should set quadpoints if defined", function (done) {
+      const underlineDict = new _primitives.Dict();
+      underlineDict.set("Type", _primitives.Name.get("Annot"));
+      underlineDict.set("Subtype", _primitives.Name.get("Underline"));
+      underlineDict.set("Rect", [10, 10, 20, 20]);
+      underlineDict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14]);
+
+      const underlineRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: underlineRef,
+        data: underlineDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, underlineRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.UNDERLINE);
+        expect(data.quadPoints).toEqual([[{
+          x: 11,
+          y: 11
+        }, {
+          x: 12,
+          y: 12
+        }, {
+          x: 13,
+          y: 13
+        }, {
+          x: 14,
+          y: 14
+        }]]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("SquigglyAnnotation", function () {
+    it("should not set quadpoints if not defined", function (done) {
+      const squigglyDict = new _primitives.Dict();
+      squigglyDict.set("Type", _primitives.Name.get("Annot"));
+      squigglyDict.set("Subtype", _primitives.Name.get("Squiggly"));
+
+      const squigglyRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: squigglyRef,
+        data: squigglyDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, squigglyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.SQUIGGLY);
+        expect(data.quadPoints).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should set quadpoints if defined", function (done) {
+      const squigglyDict = new _primitives.Dict();
+      squigglyDict.set("Type", _primitives.Name.get("Annot"));
+      squigglyDict.set("Subtype", _primitives.Name.get("Squiggly"));
+      squigglyDict.set("Rect", [10, 10, 20, 20]);
+      squigglyDict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14]);
+
+      const squigglyRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: squigglyRef,
+        data: squigglyDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, squigglyRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.SQUIGGLY);
+        expect(data.quadPoints).toEqual([[{
+          x: 11,
+          y: 11
+        }, {
+          x: 12,
+          y: 12
+        }, {
+          x: 13,
+          y: 13
+        }, {
+          x: 14,
+          y: 14
+        }]]);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("StrikeOutAnnotation", function () {
+    it("should not set quadpoints if not defined", function (done) {
+      const strikeOutDict = new _primitives.Dict();
+      strikeOutDict.set("Type", _primitives.Name.get("Annot"));
+      strikeOutDict.set("Subtype", _primitives.Name.get("StrikeOut"));
+
+      const strikeOutRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: strikeOutRef,
+        data: strikeOutDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, strikeOutRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.STRIKEOUT);
+        expect(data.quadPoints).toBeUndefined();
+        done();
+      }, done.fail);
+    });
+    it("should set quadpoints if defined", function (done) {
+      const strikeOutDict = new _primitives.Dict();
+      strikeOutDict.set("Type", _primitives.Name.get("Annot"));
+      strikeOutDict.set("Subtype", _primitives.Name.get("StrikeOut"));
+      strikeOutDict.set("Rect", [10, 10, 20, 20]);
+      strikeOutDict.set("QuadPoints", [11, 11, 12, 12, 13, 13, 14, 14]);
+
+      const strikeOutRef = _primitives.Ref.get(121, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: strikeOutRef,
+        data: strikeOutDict
+      }]);
+
+      _annotation.AnnotationFactory.create(xref, strikeOutRef, pdfManagerMock, idFactoryMock).then(({
+        data
+      }) => {
+        expect(data.annotationType).toEqual(_util.AnnotationType.STRIKEOUT);
+        expect(data.quadPoints).toEqual([[{
+          x: 11,
+          y: 11
+        }, {
+          x: 12,
+          y: 12
+        }, {
+          x: 13,
+          y: 13
+        }, {
+          x: 14,
+          y: 14
+        }]]);
+        done();
+      }, done.fail);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/annotation_storage_spec.js b/node_modules/pdfjs-dist/lib/test/unit/annotation_storage_spec.js
new file mode 100644
index 00000000..c67f9604
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/annotation_storage_spec.js
@@ -0,0 +1,83 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _annotation_storage = require("../../display/annotation_storage.js");
+
+describe("AnnotationStorage", function () {
+  describe("GetOrCreateValue", function () {
+    it("should get and set a new value in the annotation storage", function (done) {
+      const annotationStorage = new _annotation_storage.AnnotationStorage();
+      let value = annotationStorage.getOrCreateValue("123A", "hello world");
+      expect(value).toEqual("hello world");
+      value = annotationStorage.getOrCreateValue("123A", "an other string");
+      expect(value).toEqual("hello world");
+      done();
+    });
+  });
+  describe("SetValue", function () {
+    it("should set a new value in the annotation storage", function (done) {
+      const annotationStorage = new _annotation_storage.AnnotationStorage();
+      annotationStorage.setValue("123A", "an other string");
+      const value = annotationStorage.getAll()["123A"];
+      expect(value).toEqual("an other string");
+      done();
+    });
+    it("should call onSetModified() if value is changed", function (done) {
+      const annotationStorage = new _annotation_storage.AnnotationStorage();
+      let called = false;
+
+      const callback = function () {
+        called = true;
+      };
+
+      annotationStorage.onSetModified = callback;
+      annotationStorage.getOrCreateValue("asdf", "original");
+      expect(called).toBe(false);
+      annotationStorage.setValue("asdf", "original");
+      expect(called).toBe(false);
+      annotationStorage.setValue("asdf", "modified");
+      expect(called).toBe(true);
+      done();
+    });
+  });
+  describe("ResetModified", function () {
+    it("should call onResetModified() if set", function (done) {
+      const annotationStorage = new _annotation_storage.AnnotationStorage();
+      let called = false;
+
+      const callback = function () {
+        called = true;
+      };
+
+      annotationStorage.onResetModified = callback;
+      annotationStorage.getOrCreateValue("asdf", "original");
+      annotationStorage.setValue("asdf", "original");
+      annotationStorage.resetModified();
+      expect(called).toBe(false);
+      annotationStorage.setValue("asdf", "modified");
+      annotationStorage.resetModified();
+      expect(called).toBe(true);
+      done();
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/api_spec.js b/node_modules/pdfjs-dist/lib/test/unit/api_spec.js
new file mode 100644
index 00000000..3e9db2c4
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/api_spec.js
@@ -0,0 +1,1693 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _util = require("../../shared/util.js");
+
+var _display_utils = require("../../display/display_utils.js");
+
+var _api = require("../../display/api.js");
+
+var _ui_utils = require("../../web/ui_utils.js");
+
+var _image_utils = require("../../core/image_utils.js");
+
+var _worker_options = require("../../display/worker_options.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _metadata = require("../../display/metadata.js");
+
+var _node_utils = require("../../display/node_utils.js");
+
+describe("api", function () {
+  const basicApiFileName = "basicapi.pdf";
+  const basicApiFileLength = 105779;
+  const basicApiGetDocumentParams = (0, _test_utils.buildGetDocumentParams)(basicApiFileName);
+  let CanvasFactory;
+  beforeAll(function (done) {
+    if (_is_node.isNodeJS) {
+      CanvasFactory = new _node_utils.NodeCanvasFactory();
+    } else {
+      CanvasFactory = new _display_utils.DOMCanvasFactory();
+    }
+
+    done();
+  });
+  afterAll(function (done) {
+    CanvasFactory = null;
+    done();
+  });
+
+  function waitSome(callback) {
+    var WAIT_TIMEOUT = 10;
+    setTimeout(function () {
+      callback();
+    }, WAIT_TIMEOUT);
+  }
+
+  describe("getDocument", function () {
+    it("creates pdf doc from URL", function (done) {
+      var loadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+      var progressReportedCapability = (0, _util.createPromiseCapability)();
+
+      loadingTask.onProgress = function (progressData) {
+        if (!progressReportedCapability.settled) {
+          progressReportedCapability.resolve(progressData);
+        }
+      };
+
+      var promises = [progressReportedCapability.promise, loadingTask.promise];
+      Promise.all(promises).then(function (data) {
+        expect(data[0].loaded / data[0].total >= 0).toEqual(true);
+        expect(data[1] instanceof _api.PDFDocumentProxy).toEqual(true);
+        expect(loadingTask).toEqual(data[1].loadingTask);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from URL and aborts before worker initialized", function (done) {
+      var loadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+      const destroyed = loadingTask.destroy();
+      loadingTask.promise.then(function (reason) {
+        done.fail("shall fail loading");
+      }).catch(function (reason) {
+        expect(true).toEqual(true);
+        destroyed.then(done);
+      });
+    });
+    it("creates pdf doc from URL and aborts loading after worker initialized", function (done) {
+      var loadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+
+      var destroyed = loadingTask._worker.promise.then(function () {
+        return loadingTask.destroy();
+      });
+
+      destroyed.then(function (data) {
+        expect(true).toEqual(true);
+        done();
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from typed array", function (done) {
+      let typedArrayPdfPromise;
+
+      if (_is_node.isNodeJS) {
+        typedArrayPdfPromise = _test_utils.NodeFileReaderFactory.fetch({
+          path: _test_utils.TEST_PDFS_PATH.node + basicApiFileName
+        });
+      } else {
+        typedArrayPdfPromise = _test_utils.DOMFileReaderFactory.fetch({
+          path: _test_utils.TEST_PDFS_PATH.dom + basicApiFileName
+        });
+      }
+
+      typedArrayPdfPromise.then(typedArrayPdf => {
+        expect(typedArrayPdf.length).toEqual(basicApiFileLength);
+        const loadingTask = (0, _api.getDocument)(typedArrayPdf);
+        const progressReportedCapability = (0, _util.createPromiseCapability)();
+
+        loadingTask.onProgress = function (data) {
+          progressReportedCapability.resolve(data);
+        };
+
+        return Promise.all([loadingTask.promise, progressReportedCapability.promise]).then(function (data) {
+          expect(data[0] instanceof _api.PDFDocumentProxy).toEqual(true);
+          expect(data[1].loaded / data[1].total).toEqual(1);
+          loadingTask.destroy().then(done);
+        });
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from invalid PDF file", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("bug1020226.pdf"));
+      loadingTask.promise.then(function () {
+        done.fail("shall fail loading");
+      }).catch(function (reason) {
+        expect(reason instanceof _util.InvalidPDFException).toEqual(true);
+        expect(reason.message).toEqual("Invalid PDF structure.");
+        loadingTask.destroy().then(done);
+      });
+    });
+    it("creates pdf doc from non-existent URL", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("non-existent.pdf"));
+      loadingTask.promise.then(function (error) {
+        done.fail("shall fail loading");
+      }).catch(function (error) {
+        expect(error instanceof _util.MissingPDFException).toEqual(true);
+        loadingTask.destroy().then(done);
+      });
+    });
+    it("creates pdf doc from PDF file protected with user and owner password", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("pr6531_1.pdf"));
+      var passwordNeededCapability = (0, _util.createPromiseCapability)();
+      var passwordIncorrectCapability = (0, _util.createPromiseCapability)();
+
+      loadingTask.onPassword = function (updatePassword, reason) {
+        if (reason === _util.PasswordResponses.NEED_PASSWORD && !passwordNeededCapability.settled) {
+          passwordNeededCapability.resolve();
+          updatePassword("qwerty");
+          return;
+        }
+
+        if (reason === _util.PasswordResponses.INCORRECT_PASSWORD && !passwordIncorrectCapability.settled) {
+          passwordIncorrectCapability.resolve();
+          updatePassword("asdfasdf");
+          return;
+        }
+
+        expect(false).toEqual(true);
+      };
+
+      var promises = [passwordNeededCapability.promise, passwordIncorrectCapability.promise, loadingTask.promise];
+      Promise.all(promises).then(function (data) {
+        expect(data[2] instanceof _api.PDFDocumentProxy).toEqual(true);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from PDF file protected with only a user password", function (done) {
+      var filename = "pr6531_2.pdf";
+      var passwordNeededLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        password: ""
+      }));
+      var result1 = passwordNeededLoadingTask.promise.then(function () {
+        done.fail("shall fail with no password");
+        return Promise.reject(new Error("loadingTask should be rejected"));
+      }, function (data) {
+        expect(data instanceof _util.PasswordException).toEqual(true);
+        expect(data.code).toEqual(_util.PasswordResponses.NEED_PASSWORD);
+        return passwordNeededLoadingTask.destroy();
+      });
+      var passwordIncorrectLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        password: "qwerty"
+      }));
+      var result2 = passwordIncorrectLoadingTask.promise.then(function () {
+        done.fail("shall fail with wrong password");
+        return Promise.reject(new Error("loadingTask should be rejected"));
+      }, function (data) {
+        expect(data instanceof _util.PasswordException).toEqual(true);
+        expect(data.code).toEqual(_util.PasswordResponses.INCORRECT_PASSWORD);
+        return passwordIncorrectLoadingTask.destroy();
+      });
+      var passwordAcceptedLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        password: "asdfasdf"
+      }));
+      var result3 = passwordAcceptedLoadingTask.promise.then(function (data) {
+        expect(data instanceof _api.PDFDocumentProxy).toEqual(true);
+        return passwordAcceptedLoadingTask.destroy();
+      });
+      Promise.all([result1, result2, result3]).then(function () {
+        done();
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from password protected PDF file and aborts/throws " + "in the onPassword callback (issue 7806)", function (done) {
+      var filename = "issue3371.pdf";
+      var passwordNeededLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename));
+      var passwordIncorrectLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        password: "qwerty"
+      }));
+      let passwordNeededDestroyed;
+
+      passwordNeededLoadingTask.onPassword = function (callback, reason) {
+        if (reason === _util.PasswordResponses.NEED_PASSWORD) {
+          passwordNeededDestroyed = passwordNeededLoadingTask.destroy();
+          return;
+        }
+
+        expect(false).toEqual(true);
+      };
+
+      var result1 = passwordNeededLoadingTask.promise.then(function () {
+        done.fail("shall fail since the loadingTask should be destroyed");
+        return Promise.reject(new Error("loadingTask should be rejected"));
+      }, function (reason) {
+        expect(reason instanceof _util.PasswordException).toEqual(true);
+        expect(reason.code).toEqual(_util.PasswordResponses.NEED_PASSWORD);
+        return passwordNeededDestroyed;
+      });
+
+      passwordIncorrectLoadingTask.onPassword = function (callback, reason) {
+        if (reason === _util.PasswordResponses.INCORRECT_PASSWORD) {
+          throw new Error("Incorrect password");
+        }
+
+        expect(false).toEqual(true);
+      };
+
+      var result2 = passwordIncorrectLoadingTask.promise.then(function () {
+        done.fail("shall fail since the onPassword callback should throw");
+        return Promise.reject(new Error("loadingTask should be rejected"));
+      }, function (reason) {
+        expect(reason instanceof _util.PasswordException).toEqual(true);
+        expect(reason.code).toEqual(_util.PasswordResponses.INCORRECT_PASSWORD);
+        return passwordIncorrectLoadingTask.destroy();
+      });
+      Promise.all([result1, result2]).then(function () {
+        done();
+      }).catch(done.fail);
+    });
+    it("creates pdf doc from empty typed array", function (done) {
+      const loadingTask = (0, _api.getDocument)(new Uint8Array(0));
+      loadingTask.promise.then(function () {
+        done.fail("shall not open empty file");
+      }, function (reason) {
+        expect(reason instanceof _util.InvalidPDFException);
+        expect(reason.message).toEqual("The PDF file is empty, i.e. its size is zero bytes.");
+        loadingTask.destroy().then(done);
+      });
+    });
+  });
+  describe("PDFWorker", function () {
+    it("worker created or destroyed", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Worker is not supported in Node.js.");
+      }
+
+      var worker = new _api.PDFWorker({
+        name: "test1"
+      });
+      worker.promise.then(function () {
+        expect(worker.name).toEqual("test1");
+        expect(!!worker.port).toEqual(true);
+        expect(worker.destroyed).toEqual(false);
+        expect(!!worker._webWorker).toEqual(true);
+        expect(worker.port === worker._webWorker).toEqual(true);
+        worker.destroy();
+        expect(!!worker.port).toEqual(false);
+        expect(worker.destroyed).toEqual(true);
+        done();
+      }).catch(done.fail);
+    });
+    it("worker created or destroyed by getDocument", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Worker is not supported in Node.js.");
+      }
+
+      var loadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+      var worker;
+      loadingTask.promise.then(function () {
+        worker = loadingTask._worker;
+        expect(!!worker).toEqual(true);
+      });
+      var destroyPromise = loadingTask.promise.then(function () {
+        return loadingTask.destroy();
+      });
+      destroyPromise.then(function () {
+        var destroyedWorker = loadingTask._worker;
+        expect(!!destroyedWorker).toEqual(false);
+        expect(worker.destroyed).toEqual(true);
+        done();
+      }).catch(done.fail);
+    });
+    it("worker created and can be used in getDocument", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Worker is not supported in Node.js.");
+      }
+
+      var worker = new _api.PDFWorker({
+        name: "test1"
+      });
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(basicApiFileName, {
+        worker
+      }));
+      loadingTask.promise.then(function () {
+        var docWorker = loadingTask._worker;
+        expect(!!docWorker).toEqual(false);
+        var messageHandlerPort = loadingTask._transport.messageHandler.comObj;
+        expect(messageHandlerPort === worker.port).toEqual(true);
+      });
+      var destroyPromise = loadingTask.promise.then(function () {
+        return loadingTask.destroy();
+      });
+      destroyPromise.then(function () {
+        expect(worker.destroyed).toEqual(false);
+        worker.destroy();
+        done();
+      }).catch(done.fail);
+    });
+    it("creates more than one worker", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Worker is not supported in Node.js.");
+      }
+
+      var worker1 = new _api.PDFWorker({
+        name: "test1"
+      });
+      var worker2 = new _api.PDFWorker({
+        name: "test2"
+      });
+      var worker3 = new _api.PDFWorker({
+        name: "test3"
+      });
+      var ready = Promise.all([worker1.promise, worker2.promise, worker3.promise]);
+      ready.then(function () {
+        expect(worker1.port !== worker2.port && worker1.port !== worker3.port && worker2.port !== worker3.port).toEqual(true);
+        worker1.destroy();
+        worker2.destroy();
+        worker3.destroy();
+        done();
+      }).catch(done.fail);
+    });
+    it("gets current workerSrc", function () {
+      if (_is_node.isNodeJS) {
+        pending("Worker is not supported in Node.js.");
+      }
+
+      const workerSrc = _api.PDFWorker.getWorkerSrc();
+
+      expect(typeof workerSrc).toEqual("string");
+      expect(workerSrc).toEqual(_worker_options.GlobalWorkerOptions.workerSrc);
+    });
+  });
+  describe("PDFDocument", function () {
+    let pdfLoadingTask, pdfDocument;
+    beforeAll(function (done) {
+      pdfLoadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+      pdfLoadingTask.promise.then(function (data) {
+        pdfDocument = data;
+        done();
+      });
+    });
+    afterAll(function (done) {
+      pdfLoadingTask.destroy().then(done);
+    });
+    it("gets number of pages", function () {
+      expect(pdfDocument.numPages).toEqual(3);
+    });
+    it("gets fingerprint", function () {
+      expect(pdfDocument.fingerprint).toEqual("ea8b35919d6279a369e835bde778611b");
+    });
+    it("gets page", function (done) {
+      var promise = pdfDocument.getPage(1);
+      promise.then(function (data) {
+        expect(data instanceof _api.PDFPageProxy).toEqual(true);
+        expect(data.pageNumber).toEqual(1);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets non-existent page", function (done) {
+      var outOfRangePromise = pdfDocument.getPage(100);
+      var nonIntegerPromise = pdfDocument.getPage(2.5);
+      var nonNumberPromise = pdfDocument.getPage("1");
+      outOfRangePromise = outOfRangePromise.then(function () {
+        throw new Error("shall fail for out-of-range pageNumber parameter");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      nonIntegerPromise = nonIntegerPromise.then(function () {
+        throw new Error("shall fail for non-integer pageNumber parameter");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      nonNumberPromise = nonNumberPromise.then(function () {
+        throw new Error("shall fail for non-number pageNumber parameter");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      Promise.all([outOfRangePromise, nonIntegerPromise, nonNumberPromise]).then(function () {
+        done();
+      }).catch(done.fail);
+    });
+    it("gets page, from /Pages tree with circular reference", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("Pages-tree-refs.pdf"));
+      const page1 = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPage(1).then(function (pdfPage) {
+          expect(pdfPage instanceof _api.PDFPageProxy).toEqual(true);
+          expect(pdfPage.ref).toEqual({
+            num: 6,
+            gen: 0
+          });
+        }, function (reason) {
+          throw new Error("shall not fail for valid page");
+        });
+      });
+      const page2 = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPage(2).then(function (pdfPage) {
+          throw new Error("shall fail for invalid page");
+        }, function (reason) {
+          expect(reason instanceof Error).toEqual(true);
+          expect(reason.message).toEqual("Pages tree contains circular reference.");
+        });
+      });
+      Promise.all([page1, page2]).then(function () {
+        loadingTask.destroy().then(done);
+      }, done.fail);
+    });
+    it("gets page index", function (done) {
+      var ref = {
+        num: 17,
+        gen: 0
+      };
+      var promise = pdfDocument.getPageIndex(ref);
+      promise.then(function (pageIndex) {
+        expect(pageIndex).toEqual(1);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets invalid page index", function (done) {
+      var ref = {
+        num: 3,
+        gen: 0
+      };
+      var promise = pdfDocument.getPageIndex(ref);
+      promise.then(function () {
+        done.fail("shall fail for invalid page reference.");
+      }).catch(function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+        done();
+      });
+    });
+    it("gets destinations, from /Dests dictionary", function (done) {
+      var promise = pdfDocument.getDestinations();
+      promise.then(function (data) {
+        expect(data).toEqual({
+          chapter1: [{
+            gen: 0,
+            num: 17
+          }, {
+            name: "XYZ"
+          }, 0, 841.89, null]
+        });
+        done();
+      }).catch(done.fail);
+    });
+    it("gets a destination, from /Dests dictionary", function (done) {
+      var promise = pdfDocument.getDestination("chapter1");
+      promise.then(function (data) {
+        expect(data).toEqual([{
+          gen: 0,
+          num: 17
+        }, {
+          name: "XYZ"
+        }, 0, 841.89, null]);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets a non-existent destination, from /Dests dictionary", function (done) {
+      var promise = pdfDocument.getDestination("non-existent-named-destination");
+      promise.then(function (data) {
+        expect(data).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets destinations, from /Names (NameTree) dictionary", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue6204.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getDestinations();
+      });
+      promise.then(function (destinations) {
+        expect(destinations).toEqual({
+          "Page.1": [{
+            num: 1,
+            gen: 0
+          }, {
+            name: "XYZ"
+          }, 0, 375, null],
+          "Page.2": [{
+            num: 6,
+            gen: 0
+          }, {
+            name: "XYZ"
+          }, 0, 375, null]
+        });
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets a destination, from /Names (NameTree) dictionary", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue6204.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getDestination("Page.1");
+      });
+      promise.then(function (destination) {
+        expect(destination).toEqual([{
+          num: 1,
+          gen: 0
+        }, {
+          name: "XYZ"
+        }, 0, 375, null]);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets a non-existent destination, from /Names (NameTree) dictionary", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue6204.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getDestination("non-existent-named-destination");
+      });
+      promise.then(function (destination) {
+        expect(destination).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-string destination", function (done) {
+      let numberPromise = pdfDocument.getDestination(4.3);
+      let booleanPromise = pdfDocument.getDestination(true);
+      let arrayPromise = pdfDocument.getDestination([{
+        num: 17,
+        gen: 0
+      }, {
+        name: "XYZ"
+      }, 0, 841.89, null]);
+      numberPromise = numberPromise.then(function () {
+        throw new Error("shall fail for non-string destination.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      booleanPromise = booleanPromise.then(function () {
+        throw new Error("shall fail for non-string destination.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      arrayPromise = arrayPromise.then(function () {
+        throw new Error("shall fail for non-string destination.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      Promise.all([numberPromise, booleanPromise, arrayPromise]).then(done, done.fail);
+    });
+    it("gets non-existent page labels", function (done) {
+      var promise = pdfDocument.getPageLabels();
+      promise.then(function (data) {
+        expect(data).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets page labels", function (done) {
+      var loadingTask0 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("bug793632.pdf"));
+      var promise0 = loadingTask0.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageLabels();
+      });
+      var loadingTask1 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue1453.pdf"));
+      var promise1 = loadingTask1.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageLabels();
+      });
+      var loadingTask2 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("rotation.pdf"));
+      var promise2 = loadingTask2.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageLabels();
+      });
+      var loadingTask3 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("bad-PageLabels.pdf"));
+      var promise3 = loadingTask3.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageLabels();
+      });
+      Promise.all([promise0, promise1, promise2, promise3]).then(function (pageLabels) {
+        expect(pageLabels[0]).toEqual(["i", "ii", "iii", "1"]);
+        expect(pageLabels[1]).toEqual(["Front Page1"]);
+        expect(pageLabels[2]).toEqual(["1", "2"]);
+        expect(pageLabels[3]).toEqual(["X3"]);
+        Promise.all([loadingTask0.destroy(), loadingTask1.destroy(), loadingTask2.destroy(), loadingTask3.destroy()]).then(done);
+      }).catch(done.fail);
+    });
+    it("gets default page layout", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageLayout();
+      }).then(function (mode) {
+        expect(mode).toEqual("");
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-default page layout", function (done) {
+      pdfDocument.getPageLayout().then(function (mode) {
+        expect(mode).toEqual("SinglePage");
+        done();
+      }).catch(done.fail);
+    });
+    it("gets default page mode", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPageMode();
+      }).then(function (mode) {
+        expect(mode).toEqual("UseNone");
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-default page mode", function (done) {
+      pdfDocument.getPageMode().then(function (mode) {
+        expect(mode).toEqual("UseOutlines");
+        done();
+      }).catch(done.fail);
+    });
+    it("gets default viewer preferences", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getViewerPreferences();
+      }).then(function (prefs) {
+        expect(prefs).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-default viewer preferences", function (done) {
+      pdfDocument.getViewerPreferences().then(function (prefs) {
+        expect(prefs).toEqual({
+          Direction: "L2R"
+        });
+        done();
+      }).catch(done.fail);
+    });
+    it("gets default open action", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getOpenAction();
+      }).then(function (openAction) {
+        expect(openAction).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-default open action (with destination)", function (done) {
+      pdfDocument.getOpenAction().then(function (openAction) {
+        expect(openAction.dest).toEqual([{
+          num: 15,
+          gen: 0
+        }, {
+          name: "FitH"
+        }, null]);
+        expect(openAction.action).toBeUndefined();
+        done();
+      }).catch(done.fail);
+    });
+    it("gets non-default open action (with Print action)", function (done) {
+      const loadingTask1 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("bug1001080.pdf"));
+      const loadingTask2 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue11442_reduced.pdf"));
+      const promise1 = loadingTask1.promise.then(function (pdfDoc) {
+        return pdfDoc.getOpenAction();
+      }).then(function (openAction) {
+        expect(openAction.dest).toBeUndefined();
+        expect(openAction.action).toEqual("Print");
+        return loadingTask1.destroy();
+      });
+      const promise2 = loadingTask2.promise.then(function (pdfDoc) {
+        return pdfDoc.getOpenAction();
+      }).then(function (openAction) {
+        expect(openAction.dest).toBeUndefined();
+        expect(openAction.action).toEqual("Print");
+        return loadingTask2.destroy();
+      });
+      Promise.all([promise1, promise2]).then(done, done.fail);
+    });
+    it("gets non-existent attachments", function (done) {
+      var promise = pdfDocument.getAttachments();
+      promise.then(function (data) {
+        expect(data).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets attachments", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("attachment.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getAttachments();
+      });
+      promise.then(function (data) {
+        var attachment = data["foo.txt"];
+        expect(attachment.filename).toEqual("foo.txt");
+        expect(attachment.content).toEqual(new Uint8Array([98, 97, 114, 32, 98, 97, 122, 32, 10]));
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets javascript", function (done) {
+      var promise = pdfDocument.getJavaScript();
+      promise.then(function (data) {
+        expect(data).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets javascript with printing instructions (JS action)", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue6106.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getJavaScript();
+      });
+      promise.then(function (data) {
+        expect(data).toEqual(["this.print({bUI:true,bSilent:false,bShrinkToFit:true});"]);
+        expect(data[0]).toMatch(_ui_utils.AutoPrintRegExp);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets non-existent outline", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      var promise = loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getOutline();
+      });
+      promise.then(function (outline) {
+        expect(outline).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets outline", function (done) {
+      var promise = pdfDocument.getOutline();
+      promise.then(function (outline) {
+        expect(Array.isArray(outline)).toEqual(true);
+        expect(outline.length).toEqual(2);
+        var outlineItem = outline[1];
+        expect(outlineItem.title).toEqual("Chapter 1");
+        expect(Array.isArray(outlineItem.dest)).toEqual(true);
+        expect(outlineItem.url).toEqual(null);
+        expect(outlineItem.unsafeUrl).toBeUndefined();
+        expect(outlineItem.newWindow).toBeUndefined();
+        expect(outlineItem.bold).toEqual(true);
+        expect(outlineItem.italic).toEqual(false);
+        expect(outlineItem.color).toEqual(new Uint8ClampedArray([0, 64, 128]));
+        expect(outlineItem.items.length).toEqual(1);
+        expect(outlineItem.items[0].title).toEqual("Paragraph 1.1");
+        done();
+      }).catch(done.fail);
+    });
+    it("gets outline containing a url", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue3214.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        pdfDoc.getOutline().then(function (outline) {
+          expect(Array.isArray(outline)).toEqual(true);
+          expect(outline.length).toEqual(5);
+          var outlineItemTwo = outline[2];
+          expect(typeof outlineItemTwo.title).toEqual("string");
+          expect(outlineItemTwo.dest).toEqual(null);
+          expect(outlineItemTwo.url).toEqual("http://google.com/");
+          expect(outlineItemTwo.unsafeUrl).toEqual("http://google.com");
+          expect(outlineItemTwo.newWindow).toBeUndefined();
+          var outlineItemOne = outline[1];
+          expect(outlineItemOne.bold).toEqual(false);
+          expect(outlineItemOne.italic).toEqual(true);
+          expect(outlineItemOne.color).toEqual(new Uint8ClampedArray([0, 0, 0]));
+          loadingTask.destroy().then(done);
+        });
+      }).catch(done.fail);
+    });
+    it("gets non-existent permissions", function (done) {
+      pdfDocument.getPermissions().then(function (permissions) {
+        expect(permissions).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets permissions", function (done) {
+      const loadingTask0 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue9972-1.pdf"));
+      const promise0 = loadingTask0.promise.then(function (pdfDoc) {
+        return pdfDoc.getPermissions();
+      });
+      const loadingTask1 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue9972-2.pdf"));
+      const promise1 = loadingTask1.promise.then(function (pdfDoc) {
+        return pdfDoc.getPermissions();
+      });
+      const loadingTask2 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue9972-3.pdf"));
+      const promise2 = loadingTask2.promise.then(function (pdfDoc) {
+        return pdfDoc.getPermissions();
+      });
+      const totalPermissionCount = Object.keys(_util.PermissionFlag).length;
+      Promise.all([promise0, promise1, promise2]).then(function (permissions) {
+        expect(permissions[0].length).toEqual(totalPermissionCount - 1);
+        expect(permissions[0].includes(_util.PermissionFlag.MODIFY_CONTENTS)).toBeFalsy();
+        expect(permissions[1].length).toEqual(totalPermissionCount - 2);
+        expect(permissions[1].includes(_util.PermissionFlag.PRINT)).toBeFalsy();
+        expect(permissions[1].includes(_util.PermissionFlag.PRINT_HIGH_QUALITY)).toBeFalsy();
+        expect(permissions[2].length).toEqual(totalPermissionCount - 1);
+        expect(permissions[2].includes(_util.PermissionFlag.COPY)).toBeFalsy();
+        Promise.all([loadingTask0.destroy(), loadingTask1.destroy(), loadingTask2.destroy()]).then(done);
+      }).catch(done.fail);
+    });
+    it("gets metadata", function (done) {
+      var promise = pdfDocument.getMetadata();
+      promise.then(function ({
+        info,
+        metadata,
+        contentDispositionFilename
+      }) {
+        expect(info.Title).toEqual("Basic API Test");
+        expect(info.Custom).toEqual(undefined);
+        expect(info.PDFFormatVersion).toEqual("1.7");
+        expect(info.IsLinearized).toEqual(false);
+        expect(info.IsAcroFormPresent).toEqual(false);
+        expect(info.IsXFAPresent).toEqual(false);
+        expect(info.IsCollectionPresent).toEqual(false);
+        expect(metadata instanceof _metadata.Metadata).toEqual(true);
+        expect(metadata.get("dc:title")).toEqual("Basic API Test");
+        expect(contentDispositionFilename).toEqual(null);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets metadata, with custom info dict entries", function (done) {
+      var loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getMetadata();
+      }).then(function ({
+        info,
+        metadata,
+        contentDispositionFilename
+      }) {
+        expect(info.Creator).toEqual("TeX");
+        expect(info.Producer).toEqual("pdfeTeX-1.21a");
+        expect(info.CreationDate).toEqual("D:20090401163925-07'00'");
+        const custom = info.Custom;
+        expect(typeof custom === "object" && custom !== null).toEqual(true);
+        expect(custom["PTEX.Fullbanner"]).toEqual("This is pdfeTeX, " + "Version 3.141592-1.21a-2.2 (Web2C 7.5.4) kpathsea version 3.5.6");
+        expect(info.PDFFormatVersion).toEqual("1.4");
+        expect(info.IsLinearized).toEqual(false);
+        expect(info.IsAcroFormPresent).toEqual(false);
+        expect(info.IsXFAPresent).toEqual(false);
+        expect(info.IsCollectionPresent).toEqual(false);
+        expect(metadata).toEqual(null);
+        expect(contentDispositionFilename).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets metadata, with missing PDF header (bug 1606566)", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("bug1606566.pdf"));
+      loadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getMetadata();
+      }).then(function ({
+        info,
+        metadata,
+        contentDispositionFilename
+      }) {
+        expect(info.PDFFormatVersion).toEqual(null);
+        expect(info.IsLinearized).toEqual(false);
+        expect(info.IsAcroFormPresent).toEqual(false);
+        expect(info.IsXFAPresent).toEqual(false);
+        expect(info.IsCollectionPresent).toEqual(false);
+        expect(metadata).toEqual(null);
+        expect(contentDispositionFilename).toEqual(null);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("gets data", function (done) {
+      var promise = pdfDocument.getData();
+      promise.then(function (data) {
+        expect(data instanceof Uint8Array).toEqual(true);
+        expect(data.length).toEqual(basicApiFileLength);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets download info", function (done) {
+      var promise = pdfDocument.getDownloadInfo();
+      promise.then(function (data) {
+        expect(data).toEqual({
+          length: basicApiFileLength
+        });
+        done();
+      }).catch(done.fail);
+    });
+    it("gets document stats", function (done) {
+      var promise = pdfDocument.getStats();
+      promise.then(function (stats) {
+        expect(stats).toEqual({
+          streamTypes: {},
+          fontTypes: {}
+        });
+        done();
+      }).catch(done.fail);
+    });
+    it("cleans up document resources", function (done) {
+      const promise = pdfDocument.cleanup();
+      promise.then(function () {
+        expect(true).toEqual(true);
+        done();
+      }, done.fail);
+    });
+    it("checks that fingerprints are unique", function (done) {
+      const loadingTask1 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue4436r.pdf"));
+      const loadingTask2 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue4575.pdf"));
+      Promise.all([loadingTask1.promise, loadingTask2.promise]).then(function (data) {
+        const fingerprint1 = data[0].fingerprint;
+        const fingerprint2 = data[1].fingerprint;
+        expect(fingerprint1).not.toEqual(fingerprint2);
+        expect(fingerprint1).toEqual("2f695a83d6e7553c24fc08b7ac69712d");
+        expect(fingerprint2).toEqual("04c7126b34a46b6d4d6e7a1eff7edcb6");
+        Promise.all([loadingTask1.destroy(), loadingTask2.destroy()]).then(done);
+      }).catch(done.fail);
+    });
+    describe("Cross-origin", function () {
+      var loadingTask;
+
+      function _checkCanLoad(expectSuccess, filename, options) {
+        if (_is_node.isNodeJS) {
+          pending("Cannot simulate cross-origin requests in Node.js");
+        }
+
+        var params = (0, _test_utils.buildGetDocumentParams)(filename, options);
+        var url = new URL(params.url);
+
+        if (url.hostname === "localhost") {
+          url.hostname = "127.0.0.1";
+        } else if (params.url.hostname === "127.0.0.1") {
+          url.hostname = "localhost";
+        } else {
+          pending("Can only run cross-origin test on localhost!");
+        }
+
+        params.url = url.href;
+        loadingTask = (0, _api.getDocument)(params);
+        return loadingTask.promise.then(function (pdf) {
+          return pdf.destroy();
+        }).then(function () {
+          expect(expectSuccess).toEqual(true);
+        }, function (error) {
+          if (expectSuccess) {
+            expect(error).toEqual("There should not be any error");
+          }
+
+          expect(expectSuccess).toEqual(false);
+        });
+      }
+
+      function testCanLoad(filename, options) {
+        return _checkCanLoad(true, filename, options);
+      }
+
+      function testCannotLoad(filename, options) {
+        return _checkCanLoad(false, filename, options);
+      }
+
+      afterEach(function (done) {
+        if (loadingTask && !loadingTask.destroyed) {
+          loadingTask.destroy().then(done);
+        } else {
+          done();
+        }
+      });
+      it("server disallows cors", function (done) {
+        testCannotLoad("basicapi.pdf").then(done);
+      });
+      it("server allows cors without credentials, default withCredentials", function (done) {
+        testCanLoad("basicapi.pdf?cors=withoutCredentials").then(done);
+      });
+      it("server allows cors without credentials, and withCredentials=false", function (done) {
+        testCanLoad("basicapi.pdf?cors=withoutCredentials", {
+          withCredentials: false
+        }).then(done);
+      });
+      it("server allows cors without credentials, but withCredentials=true", function (done) {
+        testCannotLoad("basicapi.pdf?cors=withoutCredentials", {
+          withCredentials: true
+        }).then(done);
+      });
+      it("server allows cors with credentials, and withCredentials=true", function (done) {
+        testCanLoad("basicapi.pdf?cors=withCredentials", {
+          withCredentials: true
+        }).then(done);
+      });
+      it("server allows cors with credentials, and withCredentials=false", function (done) {
+        testCanLoad("basicapi.pdf?cors=withCredentials", {
+          withCredentials: false
+        }).then(done);
+      });
+    });
+  });
+  describe("Page", function () {
+    let pdfLoadingTask, pdfDocument, page;
+    beforeAll(function (done) {
+      pdfLoadingTask = (0, _api.getDocument)(basicApiGetDocumentParams);
+      pdfLoadingTask.promise.then(function (doc) {
+        pdfDocument = doc;
+        pdfDocument.getPage(1).then(function (data) {
+          page = data;
+          done();
+        });
+      }).catch(done.fail);
+    });
+    afterAll(function (done) {
+      pdfLoadingTask.destroy().then(done);
+    });
+    it("gets page number", function () {
+      expect(page.pageNumber).toEqual(1);
+    });
+    it("gets rotate", function () {
+      expect(page.rotate).toEqual(0);
+    });
+    it("gets ref", function () {
+      expect(page.ref).toEqual({
+        num: 15,
+        gen: 0
+      });
+    });
+    it("gets userUnit", function () {
+      expect(page.userUnit).toEqual(1.0);
+    });
+    it("gets view", function () {
+      expect(page.view).toEqual([0, 0, 595.28, 841.89]);
+    });
+    it("gets view, with empty/invalid bounding boxes", function (done) {
+      const viewLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("boundingBox_invalid.pdf"));
+      viewLoadingTask.promise.then(pdfDoc => {
+        const numPages = pdfDoc.numPages;
+        expect(numPages).toEqual(3);
+        const viewPromises = [];
+
+        for (let i = 0; i < numPages; i++) {
+          viewPromises[i] = pdfDoc.getPage(i + 1).then(pdfPage => {
+            return pdfPage.view;
+          });
+        }
+
+        Promise.all(viewPromises).then(([page1, page2, page3]) => {
+          expect(page1).toEqual([0, 0, 612, 792]);
+          expect(page2).toEqual([0, 0, 800, 600]);
+          expect(page3).toEqual([0, 0, 600, 800]);
+          viewLoadingTask.destroy().then(done);
+        });
+      }).catch(done.fail);
+    });
+    it("gets viewport", function () {
+      var viewport = page.getViewport({
+        scale: 1.5,
+        rotation: 90
+      });
+      expect(viewport.viewBox).toEqual(page.view);
+      expect(viewport.scale).toEqual(1.5);
+      expect(viewport.rotation).toEqual(90);
+      expect(viewport.transform).toEqual([0, 1.5, 1.5, 0, 0, 0]);
+      expect(viewport.width).toEqual(1262.835);
+      expect(viewport.height).toEqual(892.92);
+    });
+    it('gets viewport with "offsetX/offsetY" arguments', function () {
+      const viewport = page.getViewport({
+        scale: 1,
+        rotation: 0,
+        offsetX: 100,
+        offsetY: -100
+      });
+      expect(viewport.transform).toEqual([1, 0, 0, -1, 100, 741.89]);
+    });
+    it('gets viewport respecting "dontFlip" argument', function () {
+      const scale = 1,
+            rotation = 0;
+      const viewport = page.getViewport({
+        scale,
+        rotation
+      });
+      const dontFlipViewport = page.getViewport({
+        scale,
+        rotation,
+        dontFlip: true
+      });
+      expect(dontFlipViewport).not.toEqual(viewport);
+      expect(dontFlipViewport).toEqual(viewport.clone({
+        dontFlip: true
+      }));
+      expect(viewport.transform).toEqual([1, 0, 0, -1, 0, 841.89]);
+      expect(dontFlipViewport.transform).toEqual([1, 0, -0, 1, 0, 0]);
+    });
+    it("gets viewport with invalid rotation", function () {
+      expect(function () {
+        page.getViewport({
+          scale: 1,
+          rotation: 45
+        });
+      }).toThrow(new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees."));
+    });
+    it("gets annotations", function (done) {
+      var defaultPromise = page.getAnnotations().then(function (data) {
+        expect(data.length).toEqual(4);
+      });
+      var displayPromise = page.getAnnotations({
+        intent: "display"
+      }).then(function (data) {
+        expect(data.length).toEqual(4);
+      });
+      var printPromise = page.getAnnotations({
+        intent: "print"
+      }).then(function (data) {
+        expect(data.length).toEqual(4);
+      });
+      Promise.all([defaultPromise, displayPromise, printPromise]).then(function () {
+        done();
+      }).catch(done.fail);
+    });
+    it("gets annotations containing relative URLs (bug 766086)", function (done) {
+      var filename = "bug766086.pdf";
+      var defaultLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename));
+      var defaultPromise = defaultLoadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPage(1).then(function (pdfPage) {
+          return pdfPage.getAnnotations();
+        });
+      });
+      var docBaseUrlLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        docBaseUrl: "http://www.example.com/test/pdfs/qwerty.pdf"
+      }));
+      var docBaseUrlPromise = docBaseUrlLoadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPage(1).then(function (pdfPage) {
+          return pdfPage.getAnnotations();
+        });
+      });
+      var invalidDocBaseUrlLoadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(filename, {
+        docBaseUrl: "qwerty.pdf"
+      }));
+      var invalidDocBaseUrlPromise = invalidDocBaseUrlLoadingTask.promise.then(function (pdfDoc) {
+        return pdfDoc.getPage(1).then(function (pdfPage) {
+          return pdfPage.getAnnotations();
+        });
+      });
+      Promise.all([defaultPromise, docBaseUrlPromise, invalidDocBaseUrlPromise]).then(function (data) {
+        var defaultAnnotations = data[0];
+        var docBaseUrlAnnotations = data[1];
+        var invalidDocBaseUrlAnnotations = data[2];
+        expect(defaultAnnotations[0].url).toBeUndefined();
+        expect(defaultAnnotations[0].unsafeUrl).toEqual("../../0021/002156/215675E.pdf#15");
+        expect(docBaseUrlAnnotations[0].url).toEqual("http://www.example.com/0021/002156/215675E.pdf#15");
+        expect(docBaseUrlAnnotations[0].unsafeUrl).toEqual("../../0021/002156/215675E.pdf#15");
+        expect(invalidDocBaseUrlAnnotations[0].url).toBeUndefined();
+        expect(invalidDocBaseUrlAnnotations[0].unsafeUrl).toEqual("../../0021/002156/215675E.pdf#15");
+        Promise.all([defaultLoadingTask.destroy(), docBaseUrlLoadingTask.destroy(), invalidDocBaseUrlLoadingTask.destroy()]).then(done);
+      }).catch(done.fail);
+    });
+    it("gets text content", function (done) {
+      var defaultPromise = page.getTextContent();
+      var parametersPromise = page.getTextContent({
+        normalizeWhitespace: true,
+        disableCombineTextItems: true
+      });
+      var promises = [defaultPromise, parametersPromise];
+      Promise.all(promises).then(function (data) {
+        expect(!!data[0].items).toEqual(true);
+        expect(data[0].items.length).toEqual(7);
+        expect(!!data[0].styles).toEqual(true);
+        expect(JSON.stringify(data[0])).toEqual(JSON.stringify(data[1]));
+        done();
+      }).catch(done.fail);
+    });
+    it("gets text content, with correct properties (issue 8276)", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue8276_reduced.pdf"));
+      loadingTask.promise.then(pdfDoc => {
+        pdfDoc.getPage(1).then(pdfPage => {
+          pdfPage.getTextContent().then(({
+            items,
+            styles
+          }) => {
+            expect(items.length).toEqual(1);
+            expect(Object.keys(styles)).toEqual(["Times"]);
+            expect(items[0]).toEqual({
+              dir: "ltr",
+              fontName: "Times",
+              height: 18,
+              str: "Issue 8276",
+              transform: [18, 0, 0, 18, 441.81, 708.4499999999999],
+              width: 77.49
+            });
+            expect(styles.Times).toEqual({
+              fontFamily: "serif",
+              ascent: NaN,
+              descent: NaN,
+              vertical: false
+            });
+            loadingTask.destroy().then(done);
+          });
+        });
+      }).catch(done.fail);
+    });
+    it("gets operator list", function (done) {
+      var promise = page.getOperatorList();
+      promise.then(function (oplist) {
+        expect(!!oplist.fnArray).toEqual(true);
+        expect(!!oplist.argsArray).toEqual(true);
+        expect(oplist.lastChunk).toEqual(true);
+        done();
+      }).catch(done.fail);
+    });
+    it("gets operatorList with JPEG image (issue 4888)", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("cmykjpeg.pdf"));
+      loadingTask.promise.then(pdfDoc => {
+        pdfDoc.getPage(1).then(pdfPage => {
+          pdfPage.getOperatorList().then(opList => {
+            const imgIndex = opList.fnArray.indexOf(_util.OPS.paintImageXObject);
+            const imgArgs = opList.argsArray[imgIndex];
+            const {
+              data
+            } = pdfPage.objs.get(imgArgs[0]);
+            expect(data instanceof Uint8ClampedArray).toEqual(true);
+            expect(data.length).toEqual(90000);
+            loadingTask.destroy().then(done);
+          });
+        });
+      }).catch(done.fail);
+    });
+    it("gets operatorList, from corrupt PDF file (issue 8702), " + "with/without `stopAtErrors` set", function (done) {
+      const loadingTask1 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue8702.pdf", {
+        stopAtErrors: false
+      }));
+      const loadingTask2 = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue8702.pdf", {
+        stopAtErrors: true
+      }));
+      const result1 = loadingTask1.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          return pdfPage.getOperatorList().then(opList => {
+            expect(opList.fnArray.length).toBeGreaterThan(100);
+            expect(opList.argsArray.length).toBeGreaterThan(100);
+            expect(opList.lastChunk).toEqual(true);
+            return loadingTask1.destroy();
+          });
+        });
+      });
+      const result2 = loadingTask2.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          return pdfPage.getOperatorList().then(opList => {
+            expect(opList.fnArray.length).toEqual(0);
+            expect(opList.argsArray.length).toEqual(0);
+            expect(opList.lastChunk).toEqual(true);
+            return loadingTask2.destroy();
+          });
+        });
+      });
+      Promise.all([result1, result2]).then(done, done.fail);
+    });
+    it("gets document stats after parsing page", function (done) {
+      var promise = page.getOperatorList().then(function () {
+        return pdfDocument.getStats();
+      });
+      var expectedStreamTypes = {};
+      expectedStreamTypes[_util.StreamType.FLATE] = true;
+      var expectedFontTypes = {};
+      expectedFontTypes[_util.FontType.TYPE1] = true;
+      expectedFontTypes[_util.FontType.CIDFONTTYPE2] = true;
+      promise.then(function (stats) {
+        expect(stats).toEqual({
+          streamTypes: expectedStreamTypes,
+          fontTypes: expectedFontTypes
+        });
+        done();
+      }).catch(done.fail);
+    });
+    it("gets page stats after parsing page, without `pdfBug` set", function (done) {
+      page.getOperatorList().then(opList => {
+        return page.stats;
+      }).then(stats => {
+        expect(stats).toEqual(null);
+        done();
+      }, done.fail);
+    });
+    it("gets page stats after parsing page, with `pdfBug` set", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(basicApiFileName, {
+        pdfBug: true
+      }));
+      loadingTask.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          return pdfPage.getOperatorList().then(opList => {
+            return pdfPage.stats;
+          });
+        });
+      }).then(stats => {
+        expect(stats instanceof _display_utils.StatTimer).toEqual(true);
+        expect(stats.times.length).toEqual(1);
+        const [statEntry] = stats.times;
+        expect(statEntry.name).toEqual("Page Request");
+        expect(statEntry.end - statEntry.start).toBeGreaterThanOrEqual(0);
+        loadingTask.destroy().then(done);
+      }, done.fail);
+    });
+    it("gets page stats after rendering page, with `pdfBug` set", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(basicApiFileName, {
+        pdfBug: true
+      }));
+      let canvasAndCtx;
+      loadingTask.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          const viewport = pdfPage.getViewport({
+            scale: 1
+          });
+          canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+          const renderTask = pdfPage.render({
+            canvasContext: canvasAndCtx.context,
+            canvasFactory: CanvasFactory,
+            viewport
+          });
+          return renderTask.promise.then(() => {
+            return pdfPage.stats;
+          });
+        });
+      }).then(stats => {
+        expect(stats instanceof _display_utils.StatTimer).toEqual(true);
+        expect(stats.times.length).toEqual(3);
+        const [statEntryOne, statEntryTwo, statEntryThree] = stats.times;
+        expect(statEntryOne.name).toEqual("Page Request");
+        expect(statEntryOne.end - statEntryOne.start).toBeGreaterThanOrEqual(0);
+        expect(statEntryTwo.name).toEqual("Rendering");
+        expect(statEntryTwo.end - statEntryTwo.start).toBeGreaterThan(0);
+        expect(statEntryThree.name).toEqual("Overall");
+        expect(statEntryThree.end - statEntryThree.start).toBeGreaterThan(0);
+        CanvasFactory.destroy(canvasAndCtx);
+        loadingTask.destroy().then(done);
+      }, done.fail);
+    });
+    it("cancels rendering of page", function (done) {
+      var viewport = page.getViewport({
+        scale: 1
+      });
+      var canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+      var renderTask = page.render({
+        canvasContext: canvasAndCtx.context,
+        canvasFactory: CanvasFactory,
+        viewport
+      });
+      renderTask.cancel();
+      renderTask.promise.then(function () {
+        done.fail("shall cancel rendering");
+      }).catch(function (error) {
+        expect(error instanceof _display_utils.RenderingCancelledException).toEqual(true);
+        expect(error.message).toEqual("Rendering cancelled, page 1");
+        expect(error.type).toEqual("canvas");
+        CanvasFactory.destroy(canvasAndCtx);
+        done();
+      });
+    });
+    it("re-render page, using the same canvas, after cancelling rendering", function (done) {
+      const viewport = page.getViewport({
+        scale: 1
+      });
+      const canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+      const renderTask = page.render({
+        canvasContext: canvasAndCtx.context,
+        canvasFactory: CanvasFactory,
+        viewport
+      });
+      renderTask.cancel();
+      renderTask.promise.then(() => {
+        throw new Error("shall cancel rendering");
+      }, reason => {
+        expect(reason instanceof _display_utils.RenderingCancelledException).toEqual(true);
+      }).then(() => {
+        const reRenderTask = page.render({
+          canvasContext: canvasAndCtx.context,
+          canvasFactory: CanvasFactory,
+          viewport
+        });
+        return reRenderTask.promise;
+      }).then(() => {
+        CanvasFactory.destroy(canvasAndCtx);
+        done();
+      }, done.fail);
+    });
+    it("multiple render() on the same canvas", function (done) {
+      const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+      var viewport = page.getViewport({
+        scale: 1
+      });
+      var canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+      var renderTask1 = page.render({
+        canvasContext: canvasAndCtx.context,
+        canvasFactory: CanvasFactory,
+        viewport,
+        optionalContentConfigPromise
+      });
+      var renderTask2 = page.render({
+        canvasContext: canvasAndCtx.context,
+        canvasFactory: CanvasFactory,
+        viewport,
+        optionalContentConfigPromise
+      });
+      Promise.all([renderTask1.promise, renderTask2.promise.then(() => {
+        done.fail("shall fail rendering");
+      }, reason => {
+        expect(/multiple render\(\)/.test(reason.message)).toEqual(true);
+      })]).then(done);
+    });
+    it("cleans up document resources after rendering of page", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)(basicApiFileName));
+      let canvasAndCtx;
+      loadingTask.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          const viewport = pdfPage.getViewport({
+            scale: 1
+          });
+          canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+          const renderTask = pdfPage.render({
+            canvasContext: canvasAndCtx.context,
+            canvasFactory: CanvasFactory,
+            viewport
+          });
+          return renderTask.promise.then(() => {
+            return pdfDoc.cleanup();
+          });
+        });
+      }).then(() => {
+        expect(true).toEqual(true);
+        CanvasFactory.destroy(canvasAndCtx);
+        loadingTask.destroy().then(done);
+      }, done.fail);
+    });
+    it("cleans up document resources during rendering of page", function (done) {
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+      let canvasAndCtx;
+      loadingTask.promise.then(pdfDoc => {
+        return pdfDoc.getPage(1).then(pdfPage => {
+          const viewport = pdfPage.getViewport({
+            scale: 1
+          });
+          canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+          const renderTask = pdfPage.render({
+            canvasContext: canvasAndCtx.context,
+            canvasFactory: CanvasFactory,
+            viewport
+          });
+
+          renderTask.onContinue = function (cont) {
+            waitSome(cont);
+          };
+
+          return pdfDoc.cleanup().then(() => {
+            throw new Error("shall fail cleanup");
+          }, reason => {
+            expect(reason instanceof Error).toEqual(true);
+            expect(reason.message).toEqual("startCleanup: Page 1 is currently rendering.");
+          }).then(() => {
+            return renderTask.promise;
+          }).then(() => {
+            CanvasFactory.destroy(canvasAndCtx);
+            loadingTask.destroy().then(done);
+          });
+        });
+      }).catch(done.fail);
+    });
+    it("caches image resources at the document/page level as expected (issue 11878)", async function (done) {
+      const {
+        NUM_PAGES_THRESHOLD
+      } = _image_utils.GlobalImageCache,
+            EXPECTED_WIDTH = 2550,
+            EXPECTED_HEIGHT = 3300;
+      const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("issue11878.pdf"));
+      let firstImgData = null;
+
+      try {
+        const pdfDoc = await loadingTask.promise;
+
+        for (let i = 1; i <= pdfDoc.numPages; i++) {
+          const pdfPage = await pdfDoc.getPage(i);
+          const opList = await pdfPage.getOperatorList();
+          const {
+            commonObjs,
+            objs
+          } = pdfPage;
+          const imgIndex = opList.fnArray.indexOf(_util.OPS.paintImageXObject);
+          const [objId, width, height] = opList.argsArray[imgIndex];
+
+          if (i < NUM_PAGES_THRESHOLD) {
+            expect(objId).toEqual(`img_p${i - 1}_1`);
+            expect(objs.has(objId)).toEqual(true);
+            expect(commonObjs.has(objId)).toEqual(false);
+          } else {
+            expect(objId).toEqual(`g_${loadingTask.docId}_img_p${NUM_PAGES_THRESHOLD - 1}_1`);
+            expect(objs.has(objId)).toEqual(false);
+            expect(commonObjs.has(objId)).toEqual(true);
+          }
+
+          expect(width).toEqual(EXPECTED_WIDTH);
+          expect(height).toEqual(EXPECTED_HEIGHT);
+
+          if (i === 1) {
+            firstImgData = objs.get(objId);
+            expect(firstImgData.width).toEqual(EXPECTED_WIDTH);
+            expect(firstImgData.height).toEqual(EXPECTED_HEIGHT);
+            expect(firstImgData.kind).toEqual(_util.ImageKind.RGB_24BPP);
+            expect(firstImgData.data instanceof Uint8ClampedArray).toEqual(true);
+            expect(firstImgData.data.length).toEqual(25245000);
+          } else {
+            const objsPool = i >= NUM_PAGES_THRESHOLD ? commonObjs : objs;
+            const currentImgData = objsPool.get(objId);
+            expect(currentImgData.width).toEqual(firstImgData.width);
+            expect(currentImgData.height).toEqual(firstImgData.height);
+            expect(currentImgData.kind).toEqual(firstImgData.kind);
+            expect(currentImgData.data instanceof Uint8ClampedArray).toEqual(true);
+            expect(currentImgData.data.every((value, index) => {
+              return value === firstImgData.data[index];
+            })).toEqual(true);
+          }
+        }
+
+        await loadingTask.destroy();
+        firstImgData = null;
+        done();
+      } catch (ex) {
+        done.fail(ex);
+      }
+    });
+  });
+  describe("Multiple `getDocument` instances", function () {
+    var pdf1 = (0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf");
+    var pdf2 = (0, _test_utils.buildGetDocumentParams)("TAMReview.pdf");
+    var pdf3 = (0, _test_utils.buildGetDocumentParams)("issue6068.pdf");
+    var loadingTasks = [];
+
+    async function renderPDF(filename) {
+      const loadingTask = (0, _api.getDocument)(filename);
+      loadingTasks.push(loadingTask);
+      const pdf = await loadingTask.promise;
+      const page = await pdf.getPage(1);
+      const viewport = page.getViewport({
+        scale: 1.2
+      });
+      const canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+      const renderTask = page.render({
+        canvasContext: canvasAndCtx.context,
+        canvasFactory: CanvasFactory,
+        viewport
+      });
+      await renderTask.promise;
+      const data = canvasAndCtx.canvas.toDataURL();
+      CanvasFactory.destroy(canvasAndCtx);
+      return data;
+    }
+
+    afterEach(function (done) {
+      const destroyPromises = loadingTasks.map(function (loadingTask) {
+        return loadingTask.destroy();
+      });
+      Promise.all(destroyPromises).then(done);
+    });
+    it("should correctly render PDFs in parallel", function (done) {
+      var baseline1, baseline2, baseline3;
+      var promiseDone = renderPDF(pdf1).then(function (data1) {
+        baseline1 = data1;
+        return renderPDF(pdf2);
+      }).then(function (data2) {
+        baseline2 = data2;
+        return renderPDF(pdf3);
+      }).then(function (data3) {
+        baseline3 = data3;
+        return Promise.all([renderPDF(pdf1), renderPDF(pdf2), renderPDF(pdf3)]);
+      }).then(function (dataUrls) {
+        expect(dataUrls[0]).toEqual(baseline1);
+        expect(dataUrls[1]).toEqual(baseline2);
+        expect(dataUrls[2]).toEqual(baseline3);
+        return true;
+      });
+      promiseDone.then(function () {
+        done();
+      }).catch(done.fail);
+    });
+  });
+  describe("PDFDataRangeTransport", function () {
+    let dataPromise;
+    beforeAll(function (done) {
+      const fileName = "tracemonkey.pdf";
+
+      if (_is_node.isNodeJS) {
+        dataPromise = _test_utils.NodeFileReaderFactory.fetch({
+          path: _test_utils.TEST_PDFS_PATH.node + fileName
+        });
+      } else {
+        dataPromise = _test_utils.DOMFileReaderFactory.fetch({
+          path: _test_utils.TEST_PDFS_PATH.dom + fileName
+        });
+      }
+
+      done();
+    });
+    afterAll(function () {
+      dataPromise = null;
+    });
+    it("should fetch document info and page using ranges", function (done) {
+      const initialDataLength = 4000;
+      let fetches = 0,
+          loadingTask;
+      dataPromise.then(function (data) {
+        const initialData = data.subarray(0, initialDataLength);
+        const transport = new _api.PDFDataRangeTransport(data.length, initialData);
+
+        transport.requestDataRange = function (begin, end) {
+          fetches++;
+          waitSome(function () {
+            transport.onDataProgress(4000);
+            transport.onDataRange(begin, data.subarray(begin, end));
+          });
+        };
+
+        loadingTask = (0, _api.getDocument)(transport);
+        return loadingTask.promise;
+      }).then(function (pdfDocument) {
+        expect(pdfDocument.numPages).toEqual(14);
+        return pdfDocument.getPage(10);
+      }).then(function (pdfPage) {
+        expect(pdfPage.rotate).toEqual(0);
+        expect(fetches).toBeGreaterThan(2);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+    it("should fetch document info and page using range and streaming", function (done) {
+      const initialDataLength = 4000;
+      let fetches = 0,
+          loadingTask;
+      dataPromise.then(function (data) {
+        const initialData = data.subarray(0, initialDataLength);
+        const transport = new _api.PDFDataRangeTransport(data.length, initialData);
+
+        transport.requestDataRange = function (begin, end) {
+          fetches++;
+
+          if (fetches === 1) {
+            transport.onDataProgressiveRead(data.subarray(initialDataLength));
+          }
+
+          waitSome(function () {
+            transport.onDataRange(begin, data.subarray(begin, end));
+          });
+        };
+
+        loadingTask = (0, _api.getDocument)(transport);
+        return loadingTask.promise;
+      }).then(function (pdfDocument) {
+        expect(pdfDocument.numPages).toEqual(14);
+        return pdfDocument.getPage(10);
+      }).then(function (pdfPage) {
+        expect(pdfPage.rotate).toEqual(0);
+        expect(fetches).toEqual(1);
+        waitSome(function () {
+          loadingTask.destroy().then(done);
+        });
+      }).catch(done.fail);
+    });
+    it("should fetch document info and page, without range, " + "using complete initialData", function (done) {
+      let fetches = 0,
+          loadingTask;
+      dataPromise.then(function (data) {
+        const transport = new _api.PDFDataRangeTransport(data.length, data, true);
+
+        transport.requestDataRange = function (begin, end) {
+          fetches++;
+        };
+
+        loadingTask = (0, _api.getDocument)({
+          disableRange: true,
+          range: transport
+        });
+        return loadingTask.promise;
+      }).then(function (pdfDocument) {
+        expect(pdfDocument.numPages).toEqual(14);
+        return pdfDocument.getPage(10);
+      }).then(function (pdfPage) {
+        expect(pdfPage.rotate).toEqual(0);
+        expect(fetches).toEqual(0);
+        loadingTask.destroy().then(done);
+      }).catch(done.fail);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/bidi_spec.js b/node_modules/pdfjs-dist/lib/test/unit/bidi_spec.js
new file mode 100644
index 00000000..d946d4d3
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/bidi_spec.js
@@ -0,0 +1,41 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _bidi = require("../../core/bidi.js");
+
+describe("bidi", function () {
+  it("should mark text as RTL if more than 30% of text is RTL", function () {
+    var test = "\u0645\u0635\u0631 Egypt";
+    var result = "Egypt \u0631\u0635\u0645";
+    var bidiText = (0, _bidi.bidi)(test, -1, false);
+    expect(bidiText.str).toEqual(result);
+    expect(bidiText.dir).toEqual("rtl");
+  });
+  it("should mark text as LTR if less than 30% of text is RTL", function () {
+    var test = "Egypt is known as \u0645\u0635\u0631 in Arabic.";
+    var result = "Egypt is known as \u0631\u0635\u0645 in Arabic.";
+    var bidiText = (0, _bidi.bidi)(test, -1, false);
+    expect(bidiText.str).toEqual(result);
+    expect(bidiText.dir).toEqual("ltr");
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/cff_parser_spec.js b/node_modules/pdfjs-dist/lib/test/unit/cff_parser_spec.js
new file mode 100644
index 00000000..d8d125a5
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/cff_parser_spec.js
@@ -0,0 +1,322 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _cff_parser = require("../../core/cff_parser.js");
+
+var _fonts = require("../../core/fonts.js");
+
+var _stream = require("../../core/stream.js");
+
+describe("CFFParser", function () {
+  function createWithNullProto(obj) {
+    var result = Object.create(null);
+
+    for (var i in obj) {
+      result[i] = obj[i];
+    }
+
+    return result;
+  }
+
+  var privateDictStub = {
+    getByName(name) {
+      return 0;
+    }
+
+  };
+  var fontData, parser, cff;
+  beforeAll(function (done) {
+    var exampleFont = "0100040100010101134142434445462b" + "54696d65732d526f6d616e000101011f" + "f81b00f81c02f81d03f819041c6f000d" + "fb3cfb6efa7cfa1605e911b8f1120003" + "01010813183030312e30303754696d65" + "7320526f6d616e54696d657300000002" + "010102030e0e7d99f92a99fb7695f773" + "8b06f79a93fc7c8c077d99f85695f75e" + "9908fb6e8cf87393f7108b09a70adf0b" + "f78e14";
+    var fontArr = [];
+
+    for (var i = 0, ii = exampleFont.length; i < ii; i += 2) {
+      var hex = exampleFont.substring(i, i + 2);
+      fontArr.push(parseInt(hex, 16));
+    }
+
+    fontData = new _stream.Stream(fontArr);
+    done();
+  });
+  afterAll(function () {
+    fontData = null;
+  });
+  beforeEach(function (done) {
+    parser = new _cff_parser.CFFParser(fontData, {}, _fonts.SEAC_ANALYSIS_ENABLED);
+    cff = parser.parse();
+    done();
+  });
+  afterEach(function (done) {
+    parser = cff = null;
+    done();
+  });
+  it("parses header", function () {
+    var header = cff.header;
+    expect(header.major).toEqual(1);
+    expect(header.minor).toEqual(0);
+    expect(header.hdrSize).toEqual(4);
+    expect(header.offSize).toEqual(1);
+  });
+  it("parses name index", function () {
+    var names = cff.names;
+    expect(names.length).toEqual(1);
+    expect(names[0]).toEqual("ABCDEF+Times-Roman");
+  });
+  it("parses string index", function () {
+    var strings = cff.strings;
+    expect(strings.count).toEqual(3);
+    expect(strings.get(0)).toEqual(".notdef");
+    expect(strings.get(391)).toEqual("001.007");
+  });
+  it("parses top dict", function () {
+    var topDict = cff.topDict;
+    expect(topDict.getByName("version")).toEqual(391);
+    expect(topDict.getByName("FullName")).toEqual(392);
+    expect(topDict.getByName("FamilyName")).toEqual(393);
+    expect(topDict.getByName("Weight")).toEqual(389);
+    expect(topDict.getByName("UniqueID")).toEqual(28416);
+    expect(topDict.getByName("FontBBox")).toEqual([-168, -218, 1000, 898]);
+    expect(topDict.getByName("CharStrings")).toEqual(94);
+    expect(topDict.getByName("Private")).toEqual([45, 102]);
+  });
+  it("refuses to add topDict key with invalid value (bug 1068432)", function () {
+    var topDict = cff.topDict;
+    var defaultValue = topDict.getByName("UnderlinePosition");
+    topDict.setByKey(3075, [NaN]);
+    expect(topDict.getByName("UnderlinePosition")).toEqual(defaultValue);
+  });
+  it("ignores reserved commands in parseDict, and refuses to add privateDict " + "keys with invalid values (bug 1308536)", function () {
+    var bytes = new Uint8Array([64, 39, 31, 30, 252, 114, 137, 115, 79, 30, 197, 119, 2, 99, 127, 6]);
+    parser.bytes = bytes;
+    var topDict = cff.topDict;
+    topDict.setByName("Private", [bytes.length, 0]);
+
+    var parsePrivateDict = function () {
+      parser.parsePrivateDict(topDict);
+    };
+
+    expect(parsePrivateDict).not.toThrow();
+    var privateDict = topDict.privateDict;
+    expect(privateDict.getByName("BlueValues")).toBeNull();
+  });
+  it("parses a CharString having cntrmask", function () {
+    var bytes = new Uint8Array([0, 1, 1, 0, 38, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 1, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 3, 20, 22, 22, 14]);
+    parser.bytes = bytes;
+    var charStringsIndex = parser.parseIndex(0).obj;
+    var charStrings = parser.parseCharStrings({
+      charStrings: charStringsIndex,
+      privateDict: privateDictStub
+    }).charStrings;
+    expect(charStrings.count).toEqual(1);
+    expect(charStrings.get(0).length).toEqual(38);
+  });
+  it("parses a CharString endchar with 4 args w/seac enabled", function () {
+    const cffParser = new _cff_parser.CFFParser(fontData, {}, true);
+    cffParser.parse();
+    var bytes = new Uint8Array([0, 1, 1, 0, 237, 247, 22, 247, 72, 204, 247, 86, 14]);
+    cffParser.bytes = bytes;
+    var charStringsIndex = cffParser.parseIndex(0).obj;
+    var result = cffParser.parseCharStrings({
+      charStrings: charStringsIndex,
+      privateDict: privateDictStub
+    });
+    expect(result.charStrings.count).toEqual(1);
+    expect(result.charStrings.get(0).length).toEqual(1);
+    expect(result.seacs.length).toEqual(1);
+    expect(result.seacs[0].length).toEqual(4);
+    expect(result.seacs[0][0]).toEqual(130);
+    expect(result.seacs[0][1]).toEqual(180);
+    expect(result.seacs[0][2]).toEqual(65);
+    expect(result.seacs[0][3]).toEqual(194);
+  });
+  it("parses a CharString endchar with 4 args w/seac disabled", function () {
+    const cffParser = new _cff_parser.CFFParser(fontData, {}, false);
+    cffParser.parse();
+    var bytes = new Uint8Array([0, 1, 1, 0, 237, 247, 22, 247, 72, 204, 247, 86, 14]);
+    cffParser.bytes = bytes;
+    var charStringsIndex = cffParser.parseIndex(0).obj;
+    var result = cffParser.parseCharStrings({
+      charStrings: charStringsIndex,
+      privateDict: privateDictStub
+    });
+    expect(result.charStrings.count).toEqual(1);
+    expect(result.charStrings.get(0).length).toEqual(9);
+    expect(result.seacs.length).toEqual(0);
+  });
+  it("parses a CharString endchar no args", function () {
+    var bytes = new Uint8Array([0, 1, 1, 0, 14]);
+    parser.bytes = bytes;
+    var charStringsIndex = parser.parseIndex(0).obj;
+    var result = parser.parseCharStrings({
+      charStrings: charStringsIndex,
+      privateDict: privateDictStub
+    });
+    expect(result.charStrings.count).toEqual(1);
+    expect(result.charStrings.get(0)[0]).toEqual(14);
+    expect(result.seacs.length).toEqual(0);
+  });
+  it("parses predefined charsets", function () {
+    var charset = parser.parseCharsets(0, 0, null, true);
+    expect(charset.predefined).toEqual(true);
+  });
+  it("parses charset format 0", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x02]);
+    parser.bytes = bytes;
+    var charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), false);
+    expect(charset.charset[1]).toEqual("exclam");
+    charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), true);
+    expect(charset.charset[1]).toEqual(2);
+  });
+  it("parses charset format 1", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x00, 0x01, 0x00, 0x08, 0x01]);
+    parser.bytes = bytes;
+    var charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), false);
+    expect(charset.charset).toEqual([".notdef", "quoteright", "parenleft"]);
+    charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), true);
+    expect(charset.charset).toEqual([0, 8, 9]);
+  });
+  it("parses charset format 2", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x00, 0x02, 0x00, 0x08, 0x00, 0x01]);
+    parser.bytes = bytes;
+    var charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), false);
+    expect(charset.charset).toEqual([".notdef", "quoteright", "parenleft"]);
+    charset = parser.parseCharsets(3, 2, new _cff_parser.CFFStrings(), true);
+    expect(charset.charset).toEqual([0, 8, 9]);
+  });
+  it("parses encoding format 0", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x00, 0x01, 0x08]);
+    parser.bytes = bytes;
+    var encoding = parser.parseEncoding(2, {}, new _cff_parser.CFFStrings(), null);
+    expect(encoding.encoding).toEqual(createWithNullProto({
+      0x8: 1
+    }));
+  });
+  it("parses encoding format 1", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x01, 0x01, 0x07, 0x01]);
+    parser.bytes = bytes;
+    var encoding = parser.parseEncoding(2, {}, new _cff_parser.CFFStrings(), null);
+    expect(encoding.encoding).toEqual(createWithNullProto({
+      0x7: 0x01,
+      0x08: 0x02
+    }));
+  });
+  it("parses fdselect format 0", function () {
+    var bytes = new Uint8Array([0x00, 0x00, 0x01]);
+    parser.bytes = bytes.slice();
+    var fdSelect = parser.parseFDSelect(0, 2);
+    expect(fdSelect.fdSelect).toEqual([0, 1]);
+    expect(fdSelect.format).toEqual(0);
+  });
+  it("parses fdselect format 3", function () {
+    var bytes = new Uint8Array([0x03, 0x00, 0x02, 0x00, 0x00, 0x09, 0x00, 0x02, 0x0a, 0x00, 0x04]);
+    parser.bytes = bytes.slice();
+    var fdSelect = parser.parseFDSelect(0, 4);
+    expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]);
+    expect(fdSelect.format).toEqual(3);
+  });
+  it("parses invalid fdselect format 3 (bug 1146106)", function () {
+    var bytes = new Uint8Array([0x03, 0x00, 0x02, 0x00, 0x01, 0x09, 0x00, 0x02, 0x0a, 0x00, 0x04]);
+    parser.bytes = bytes.slice();
+    var fdSelect = parser.parseFDSelect(0, 4);
+    expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]);
+    expect(fdSelect.format).toEqual(3);
+  });
+});
+describe("CFFCompiler", function () {
+  function testParser(bytes) {
+    bytes = new Uint8Array(bytes);
+    return new _cff_parser.CFFParser({
+      getBytes: () => {
+        return bytes;
+      }
+    }, {}, _fonts.SEAC_ANALYSIS_ENABLED);
+  }
+
+  it("encodes integers", function () {
+    var c = new _cff_parser.CFFCompiler();
+    expect(c.encodeInteger(0)).toEqual([0x8b]);
+    expect(c.encodeInteger(100)).toEqual([0xef]);
+    expect(c.encodeInteger(-100)).toEqual([0x27]);
+    expect(c.encodeInteger(1000)).toEqual([0xfa, 0x7c]);
+    expect(c.encodeInteger(-1000)).toEqual([0xfe, 0x7c]);
+    expect(c.encodeInteger(10000)).toEqual([0x1c, 0x27, 0x10]);
+    expect(c.encodeInteger(-10000)).toEqual([0x1c, 0xd8, 0xf0]);
+    expect(c.encodeInteger(100000)).toEqual([0x1d, 0x00, 0x01, 0x86, 0xa0]);
+    expect(c.encodeInteger(-100000)).toEqual([0x1d, 0xff, 0xfe, 0x79, 0x60]);
+  });
+  it("encodes floats", function () {
+    var c = new _cff_parser.CFFCompiler();
+    expect(c.encodeFloat(-2.25)).toEqual([0x1e, 0xe2, 0xa2, 0x5f]);
+    expect(c.encodeFloat(5e-11)).toEqual([0x1e, 0x5c, 0x11, 0xff]);
+  });
+  it("sanitizes name index", function () {
+    var c = new _cff_parser.CFFCompiler();
+    var nameIndexCompiled = c.compileNameIndex(["[a"]);
+    var parser = testParser(nameIndexCompiled);
+    var nameIndex = parser.parseIndex(0);
+    var names = parser.parseNameIndex(nameIndex.obj);
+    expect(names).toEqual(["_a"]);
+    var longName = "";
+
+    for (var i = 0; i < 129; i++) {
+      longName += "_";
+    }
+
+    nameIndexCompiled = c.compileNameIndex([longName]);
+    parser = testParser(nameIndexCompiled);
+    nameIndex = parser.parseIndex(0);
+    names = parser.parseNameIndex(nameIndex.obj);
+    expect(names[0].length).toEqual(127);
+  });
+  it("compiles fdselect format 0", function () {
+    var fdSelect = new _cff_parser.CFFFDSelect(0, [3, 2, 1]);
+    var c = new _cff_parser.CFFCompiler();
+    var out = c.compileFDSelect(fdSelect);
+    expect(out).toEqual([0, 3, 2, 1]);
+  });
+  it("compiles fdselect format 3", function () {
+    var fdSelect = new _cff_parser.CFFFDSelect(3, [0, 0, 1, 1]);
+    var c = new _cff_parser.CFFCompiler();
+    var out = c.compileFDSelect(fdSelect);
+    expect(out).toEqual([3, 0, 2, 0, 0, 0, 0, 2, 1, 0, 4]);
+  });
+  it("compiles fdselect format 3, single range", function () {
+    var fdSelect = new _cff_parser.CFFFDSelect(3, [0, 0]);
+    var c = new _cff_parser.CFFCompiler();
+    var out = c.compileFDSelect(fdSelect);
+    expect(out).toEqual([3, 0, 1, 0, 0, 0, 0, 2]);
+  });
+  it("compiles charset of CID font", function () {
+    var charset = new _cff_parser.CFFCharset();
+    var c = new _cff_parser.CFFCompiler();
+    var numGlyphs = 7;
+    var out = c.compileCharset(charset, numGlyphs, new _cff_parser.CFFStrings(), true);
+    expect(out).toEqual([2, 0, 0, 0, numGlyphs - 1]);
+  });
+  it("compiles charset of non CID font", function () {
+    var charset = new _cff_parser.CFFCharset(false, 0, ["space", "exclam"]);
+    var c = new _cff_parser.CFFCompiler();
+    var numGlyphs = 3;
+    var out = c.compileCharset(charset, numGlyphs, new _cff_parser.CFFStrings(), false);
+    expect(out).toEqual([0, 0, 1, 0, 2]);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/clitests_helper.js b/node_modules/pdfjs-dist/lib/test/unit/clitests_helper.js
new file mode 100644
index 00000000..d71edd4d
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/clitests_helper.js
@@ -0,0 +1,39 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _node_stream = require("../../display/node_stream.js");
+
+var _api = require("../../display/api.js");
+
+if (!_is_node.isNodeJS) {
+  throw new Error("The `gulp unittestcli` command can only be used in Node.js environments.");
+}
+
+(0, _util.setVerbosityLevel)(_util.VerbosityLevel.ERRORS);
+(0, _api.setPDFNetworkStreamFactory)(function (params) {
+  return new _node_stream.PDFNodeStream(params);
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/cmap_spec.js b/node_modules/pdfjs-dist/lib/test/unit/cmap_spec.js
new file mode 100644
index 00000000..f0b975f2
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/cmap_spec.js
@@ -0,0 +1,357 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _cmap = require("../../core/cmap.js");
+
+var _display_utils = require("../../display/display_utils.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _node_utils = require("../../display/node_utils.js");
+
+var _stream = require("../../core/stream.js");
+
+var cMapUrl = {
+  dom: "../../external/bcmaps/",
+  node: "./external/bcmaps/"
+};
+var cMapPacked = true;
+describe("cmap", function () {
+  var fetchBuiltInCMap;
+  beforeAll(function (done) {
+    var CMapReaderFactory;
+
+    if (_is_node.isNodeJS) {
+      CMapReaderFactory = new _node_utils.NodeCMapReaderFactory({
+        baseUrl: cMapUrl.node,
+        isCompressed: cMapPacked
+      });
+    } else {
+      CMapReaderFactory = new _display_utils.DOMCMapReaderFactory({
+        baseUrl: cMapUrl.dom,
+        isCompressed: cMapPacked
+      });
+    }
+
+    fetchBuiltInCMap = function (name) {
+      return CMapReaderFactory.fetch({
+        name
+      });
+    };
+
+    done();
+  });
+  afterAll(function () {
+    fetchBuiltInCMap = null;
+  });
+  it("parses beginbfchar", function (done) {
+    var str = "2 beginbfchar\n" + "<03> <00>\n" + "<04> <01>\n" + "endbfchar\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.lookup(0x03)).toEqual(String.fromCharCode(0x00));
+      expect(cmap.lookup(0x04)).toEqual(String.fromCharCode(0x01));
+      expect(cmap.lookup(0x05)).toBeUndefined();
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses beginbfrange with range", function (done) {
+    var str = "1 beginbfrange\n" + "<06> <0B> 0\n" + "endbfrange\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.lookup(0x05)).toBeUndefined();
+      expect(cmap.lookup(0x06)).toEqual(String.fromCharCode(0x00));
+      expect(cmap.lookup(0x0b)).toEqual(String.fromCharCode(0x05));
+      expect(cmap.lookup(0x0c)).toBeUndefined();
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses beginbfrange with array", function (done) {
+    var str = "1 beginbfrange\n" + "<0D> <12> [ 0 1 2 3 4 5 ]\n" + "endbfrange\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.lookup(0x0c)).toBeUndefined();
+      expect(cmap.lookup(0x0d)).toEqual(0x00);
+      expect(cmap.lookup(0x12)).toEqual(0x05);
+      expect(cmap.lookup(0x13)).toBeUndefined();
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses begincidchar", function (done) {
+    var str = "1 begincidchar\n" + "<14> 0\n" + "endcidchar\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.lookup(0x14)).toEqual(0x00);
+      expect(cmap.lookup(0x15)).toBeUndefined();
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses begincidrange", function (done) {
+    var str = "1 begincidrange\n" + "<0016> <001B>   0\n" + "endcidrange\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.lookup(0x15)).toBeUndefined();
+      expect(cmap.lookup(0x16)).toEqual(0x00);
+      expect(cmap.lookup(0x1b)).toEqual(0x05);
+      expect(cmap.lookup(0x1c)).toBeUndefined();
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("decodes codespace ranges", function (done) {
+    var str = "1 begincodespacerange\n" + "<01> <02>\n" + "<00000003> <00000004>\n" + "endcodespacerange\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      var c = {};
+      cmap.readCharCode(String.fromCharCode(1), 0, c);
+      expect(c.charcode).toEqual(1);
+      expect(c.length).toEqual(1);
+      cmap.readCharCode(String.fromCharCode(0, 0, 0, 3), 0, c);
+      expect(c.charcode).toEqual(3);
+      expect(c.length).toEqual(4);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("decodes 4 byte codespace ranges", function (done) {
+    var str = "1 begincodespacerange\n" + "<8EA1A1A1> <8EA1FEFE>\n" + "endcodespacerange\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      var c = {};
+      cmap.readCharCode(String.fromCharCode(0x8e, 0xa1, 0xa1, 0xa1), 0, c);
+      expect(c.charcode).toEqual(0x8ea1a1a1);
+      expect(c.length).toEqual(4);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("read usecmap", function (done) {
+    var str = "/Adobe-Japan1-1 usecmap\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream,
+      fetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap instanceof _cmap.CMap).toEqual(true);
+      expect(cmap.useCMap).not.toBeNull();
+      expect(cmap.builtInCMap).toBeFalsy();
+      expect(cmap.length).toEqual(0x20a7);
+      expect(cmap.isIdentityCMap).toEqual(false);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses cmapname", function (done) {
+    var str = "/CMapName /Identity-H def\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.name).toEqual("Identity-H");
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("parses wmode", function (done) {
+    var str = "/WMode 1 def\n";
+    var stream = new _stream.StringStream(str);
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: stream
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap.vertical).toEqual(true);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("loads built in cmap", function (done) {
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: _primitives.Name.get("Adobe-Japan1-1"),
+      fetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap instanceof _cmap.CMap).toEqual(true);
+      expect(cmap.useCMap).toBeNull();
+      expect(cmap.builtInCMap).toBeTruthy();
+      expect(cmap.length).toEqual(0x20a7);
+      expect(cmap.isIdentityCMap).toEqual(false);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("loads built in identity cmap", function (done) {
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: _primitives.Name.get("Identity-H"),
+      fetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function (cmap) {
+      expect(cmap instanceof _cmap.IdentityCMap).toEqual(true);
+      expect(cmap.vertical).toEqual(false);
+      expect(cmap.length).toEqual(0x10000);
+      expect(function () {
+        return cmap.isIdentityCMap;
+      }).toThrow(new Error("should not access .isIdentityCMap"));
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("attempts to load a non-existent built-in CMap", function (done) {
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: _primitives.Name.get("null"),
+      fetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function () {
+      done.fail("No CMap should be loaded");
+    }, function (reason) {
+      expect(reason instanceof Error).toEqual(true);
+      expect(reason.message).toEqual("Unknown CMap name: null");
+      done();
+    });
+  });
+  it("attempts to load a built-in CMap without the necessary API parameters", function (done) {
+    function tmpFetchBuiltInCMap(name) {
+      var CMapReaderFactory = _is_node.isNodeJS ? new _node_utils.NodeCMapReaderFactory({}) : new _display_utils.DOMCMapReaderFactory({});
+      return CMapReaderFactory.fetch({
+        name
+      });
+    }
+
+    var cmapPromise = _cmap.CMapFactory.create({
+      encoding: _primitives.Name.get("Adobe-Japan1-1"),
+      fetchBuiltInCMap: tmpFetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function () {
+      done.fail("No CMap should be loaded");
+    }, function (reason) {
+      expect(reason instanceof Error).toEqual(true);
+      expect(reason.message).toEqual('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
+      done();
+    });
+  });
+  it("attempts to load a built-in CMap with inconsistent API parameters", function (done) {
+    function tmpFetchBuiltInCMap(name) {
+      let CMapReaderFactory;
+
+      if (_is_node.isNodeJS) {
+        CMapReaderFactory = new _node_utils.NodeCMapReaderFactory({
+          baseUrl: cMapUrl.node,
+          isCompressed: false
+        });
+      } else {
+        CMapReaderFactory = new _display_utils.DOMCMapReaderFactory({
+          baseUrl: cMapUrl.dom,
+          isCompressed: false
+        });
+      }
+
+      return CMapReaderFactory.fetch({
+        name
+      });
+    }
+
+    const cmapPromise = _cmap.CMapFactory.create({
+      encoding: _primitives.Name.get("Adobe-Japan1-1"),
+      fetchBuiltInCMap: tmpFetchBuiltInCMap,
+      useCMap: null
+    });
+
+    cmapPromise.then(function () {
+      done.fail("No CMap should be loaded");
+    }, function (reason) {
+      expect(reason instanceof Error).toEqual(true);
+      const message = reason.message;
+      expect(message.startsWith("Unable to load CMap at: ")).toEqual(true);
+      expect(message.endsWith("/external/bcmaps/Adobe-Japan1-1")).toEqual(true);
+      done();
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/colorspace_spec.js b/node_modules/pdfjs-dist/lib/test/unit/colorspace_spec.js
new file mode 100644
index 00000000..e87e556f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/colorspace_spec.js
@@ -0,0 +1,534 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _primitives = require("../../core/primitives.js");
+
+var _stream = require("../../core/stream.js");
+
+var _colorspace = require("../../core/colorspace.js");
+
+var _image_utils = require("../../core/image_utils.js");
+
+var _function = require("../../core/function.js");
+
+var _test_utils = require("./test_utils.js");
+
+describe("colorspace", function () {
+  describe("ColorSpace.isDefaultDecode", function () {
+    it("should be true if decode is not an array", function () {
+      expect(_colorspace.ColorSpace.isDefaultDecode("string", 0)).toBeTruthy();
+    });
+    it("should be true if length of decode array is not correct", function () {
+      expect(_colorspace.ColorSpace.isDefaultDecode([0], 1)).toBeTruthy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 1, 0], 1)).toBeTruthy();
+    });
+    it("should be true if decode map matches the default decode map", function () {
+      expect(_colorspace.ColorSpace.isDefaultDecode([], 0)).toBeTruthy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 0], 1)).toBeFalsy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 1], 1)).toBeTruthy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 1, 0, 1, 0, 1], 3)).toBeTruthy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 1, 0, 1, 1, 1], 3)).toBeFalsy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([0, 1, 0, 1, 0, 1, 0, 1], 4)).toBeTruthy();
+      expect(_colorspace.ColorSpace.isDefaultDecode([1, 0, 0, 1, 0, 1, 0, 1], 4)).toBeFalsy();
+    });
+  });
+  describe("ColorSpace caching", function () {
+    let localColorSpaceCache = null;
+    beforeAll(function (done) {
+      localColorSpaceCache = new _image_utils.LocalColorSpaceCache();
+      done();
+    });
+    afterAll(function (done) {
+      localColorSpaceCache = null;
+      done();
+    });
+    it("caching by Name", function () {
+      const xref = new _test_utils.XRefMock();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace1 = _colorspace.ColorSpace.parse({
+        cs: _primitives.Name.get("Pattern"),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpace1.name).toEqual("Pattern");
+
+      const colorSpace2 = _colorspace.ColorSpace.parse({
+        cs: _primitives.Name.get("Pattern"),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpace2.name).toEqual("Pattern");
+
+      const colorSpaceNonCached = _colorspace.ColorSpace.parse({
+        cs: _primitives.Name.get("Pattern"),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      expect(colorSpaceNonCached.name).toEqual("Pattern");
+
+      const colorSpaceOther = _colorspace.ColorSpace.parse({
+        cs: _primitives.Name.get("RGB"),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpaceOther.name).toEqual("DeviceRGB");
+      expect(colorSpace1).toBe(colorSpace2);
+      expect(colorSpace1).not.toBe(colorSpaceNonCached);
+      expect(colorSpace1).not.toBe(colorSpaceOther);
+    });
+    it("caching by Ref", function () {
+      const paramsCalGray = new _primitives.Dict();
+      paramsCalGray.set("WhitePoint", [1, 1, 1]);
+      paramsCalGray.set("BlackPoint", [0, 0, 0]);
+      paramsCalGray.set("Gamma", 2.0);
+      const paramsCalRGB = new _primitives.Dict();
+      paramsCalRGB.set("WhitePoint", [1, 1, 1]);
+      paramsCalRGB.set("BlackPoint", [0, 0, 0]);
+      paramsCalRGB.set("Gamma", [1, 1, 1]);
+      paramsCalRGB.set("Matrix", [1, 0, 0, 0, 1, 0, 0, 0, 1]);
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(50, 0),
+        data: [_primitives.Name.get("CalGray"), paramsCalGray]
+      }, {
+        ref: _primitives.Ref.get(100, 0),
+        data: [_primitives.Name.get("CalRGB"), paramsCalRGB]
+      }]);
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace1 = _colorspace.ColorSpace.parse({
+        cs: _primitives.Ref.get(50, 0),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpace1.name).toEqual("CalGray");
+
+      const colorSpace2 = _colorspace.ColorSpace.parse({
+        cs: _primitives.Ref.get(50, 0),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpace2.name).toEqual("CalGray");
+
+      const colorSpaceNonCached = _colorspace.ColorSpace.parse({
+        cs: _primitives.Ref.get(50, 0),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      expect(colorSpaceNonCached.name).toEqual("CalGray");
+
+      const colorSpaceOther = _colorspace.ColorSpace.parse({
+        cs: _primitives.Ref.get(100, 0),
+        xref,
+        resources: null,
+        pdfFunctionFactory,
+        localColorSpaceCache
+      });
+
+      expect(colorSpaceOther.name).toEqual("CalRGB");
+      expect(colorSpace1).toBe(colorSpace2);
+      expect(colorSpace1).not.toBe(colorSpaceNonCached);
+      expect(colorSpace1).not.toBe(colorSpaceOther);
+    });
+  });
+  describe("DeviceGrayCS", function () {
+    it("should handle the case when cs is a Name object", function () {
+      const cs = _primitives.Name.get("DeviceGray");
+
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131]);
+      const testDest = new Uint8ClampedArray(4 * 4 * 3);
+      const expectedDest = new Uint8ClampedArray([27, 27, 27, 27, 27, 27, 125, 125, 125, 125, 125, 125, 27, 27, 27, 27, 27, 27, 125, 125, 125, 125, 125, 125, 250, 250, 250, 250, 250, 250, 131, 131, 131, 131, 131, 131, 250, 250, 250, 250, 250, 250, 131, 131, 131, 131, 131, 131]);
+      colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1]), 0)).toEqual(new Uint8ClampedArray([26, 26, 26]));
+      expect(colorSpace.getOutputLength(2, 0)).toEqual(6);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+    it("should handle the case when cs is an indirect object", function () {
+      const cs = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: cs,
+        data: _primitives.Name.get("DeviceGray")
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([27, 27, 27, 27, 27, 27, 125, 125, 125, 27, 27, 27, 27, 27, 27, 125, 125, 125, 250, 250, 250, 250, 250, 250, 131, 131, 131]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.2]), 0)).toEqual(new Uint8ClampedArray([51, 51, 51]));
+      expect(colorSpace.getOutputLength(3, 1)).toEqual(12);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("DeviceRgbCS", function () {
+    it("should handle the case when cs is a Name object", function () {
+      const cs = _primitives.Name.get("DeviceRGB");
+
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131, 139, 140, 111, 25, 198, 21, 147, 255]);
+      const testDest = new Uint8ClampedArray(4 * 4 * 3);
+      const expectedDest = new Uint8ClampedArray([27, 125, 250, 27, 125, 250, 131, 139, 140, 131, 139, 140, 27, 125, 250, 27, 125, 250, 131, 139, 140, 131, 139, 140, 111, 25, 198, 111, 25, 198, 21, 147, 255, 21, 147, 255, 111, 25, 198, 111, 25, 198, 21, 147, 255, 21, 147, 255]);
+      colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(new Uint8ClampedArray([26, 51, 77]));
+      expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
+      expect(colorSpace.isPassthrough(8)).toBeTruthy();
+      expect(testDest).toEqual(expectedDest);
+    });
+    it("should handle the case when cs is an indirect object", function () {
+      const cs = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: cs,
+        data: _primitives.Name.get("DeviceRGB")
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131, 139, 140, 111, 25, 198, 21, 147, 255]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([27, 125, 250, 27, 125, 250, 131, 139, 140, 27, 125, 250, 27, 125, 250, 131, 139, 140, 111, 25, 198, 111, 25, 198, 21, 147, 255]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(new Uint8ClampedArray([26, 51, 77]));
+      expect(colorSpace.getOutputLength(4, 1)).toEqual(5);
+      expect(colorSpace.isPassthrough(8)).toBeTruthy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("DeviceCmykCS", function () {
+    it("should handle the case when cs is a Name object", function () {
+      const cs = _primitives.Name.get("DeviceCMYK");
+
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 128, 131, 139, 140, 45, 111, 25, 198, 78, 21, 147, 255, 69]);
+      const testDest = new Uint8ClampedArray(4 * 4 * 3);
+      const expectedDest = new Uint8ClampedArray([135, 81, 18, 135, 81, 18, 114, 102, 97, 114, 102, 97, 135, 81, 18, 135, 81, 18, 114, 102, 97, 114, 102, 97, 112, 144, 75, 112, 144, 75, 188, 98, 27, 188, 98, 27, 112, 144, 75, 112, 144, 75, 188, 98, 27, 188, 98, 27]);
+      colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3, 1]), 0)).toEqual(new Uint8ClampedArray([32, 28, 21]));
+      expect(colorSpace.getOutputLength(4, 0)).toEqual(3);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+    it("should handle the case when cs is an indirect object", function () {
+      const cs = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: cs,
+        data: _primitives.Name.get("DeviceCMYK")
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 128, 131, 139, 140, 45, 111, 25, 198, 78, 21, 147, 255, 69]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([135, 81, 18, 135, 81, 18, 114, 102, 97, 135, 81, 18, 135, 81, 18, 114, 102, 97, 112, 144, 75, 112, 144, 75, 188, 98, 27]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3, 1]), 0)).toEqual(new Uint8ClampedArray([32, 28, 21]));
+      expect(colorSpace.getOutputLength(4, 1)).toEqual(4);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("CalGrayCS", function () {
+    it("should handle the case when cs is an array", function () {
+      const params = new _primitives.Dict();
+      params.set("WhitePoint", [1, 1, 1]);
+      params.set("BlackPoint", [0, 0, 0]);
+      params.set("Gamma", 2.0);
+      const cs = [_primitives.Name.get("CalGray"), params];
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131]);
+      const testDest = new Uint8ClampedArray(4 * 4 * 3);
+      const expectedDest = new Uint8ClampedArray([25, 25, 25, 25, 25, 25, 143, 143, 143, 143, 143, 143, 25, 25, 25, 25, 25, 25, 143, 143, 143, 143, 143, 143, 251, 251, 251, 251, 251, 251, 149, 149, 149, 149, 149, 149, 251, 251, 251, 251, 251, 251, 149, 149, 149, 149, 149, 149]);
+      colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([1.0]), 0)).toEqual(new Uint8ClampedArray([255, 255, 255]));
+      expect(colorSpace.getOutputLength(4, 0)).toEqual(12);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("CalRGBCS", function () {
+    it("should handle the case when cs is an array", function () {
+      const params = new _primitives.Dict();
+      params.set("WhitePoint", [1, 1, 1]);
+      params.set("BlackPoint", [0, 0, 0]);
+      params.set("Gamma", [1, 1, 1]);
+      params.set("Matrix", [1, 0, 0, 0, 1, 0, 0, 0, 1]);
+      const cs = [_primitives.Name.get("CalRGB"), params];
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 125, 250, 131, 139, 140, 111, 25, 198, 21, 147, 255]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([0, 238, 255, 0, 238, 255, 185, 196, 195, 0, 238, 255, 0, 238, 255, 185, 196, 195, 235, 0, 243, 235, 0, 243, 0, 255, 255]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(new Uint8ClampedArray([0, 147, 151]));
+      expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("LabCS", function () {
+    it("should handle the case when cs is an array", function () {
+      const params = new _primitives.Dict();
+      params.set("WhitePoint", [1, 1, 1]);
+      params.set("BlackPoint", [0, 0, 0]);
+      params.set("Range", [-100, 100, -100, 100]);
+      const cs = [_primitives.Name.get("Lab"), params];
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 25, 50, 31, 19, 40, 11, 25, 98, 21, 47, 55]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([0, 49, 101, 0, 49, 101, 0, 53, 117, 0, 49, 101, 0, 49, 101, 0, 53, 117, 0, 41, 40, 0, 41, 40, 0, 43, 90]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb([55, 25, 35], 0)).toEqual(new Uint8ClampedArray([188, 100, 61]));
+      expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(colorSpace.isDefaultDecode([0, 1])).toBeTruthy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("IndexedCS", function () {
+    it("should handle the case when cs is an array", function () {
+      const lookup = new _stream.Stream(new Uint8Array([23, 155, 35, 147, 69, 93, 255, 109, 70]));
+      const cs = [_primitives.Name.get("Indexed"), _primitives.Name.get("DeviceRGB"), 2, lookup];
+      const xref = new _test_utils.XRefMock([{
+        ref: _primitives.Ref.get(10, 0),
+        data: new _primitives.Dict()
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([2, 2, 0, 1]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([255, 109, 70, 255, 109, 70, 255, 109, 70, 255, 109, 70, 255, 109, 70, 255, 109, 70, 23, 155, 35, 23, 155, 35, 147, 69, 93]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb([2], 0)).toEqual(new Uint8ClampedArray([255, 109, 70]));
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(colorSpace.isDefaultDecode([0, 1], 1)).toBeTruthy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+  describe("AlternateCS", function () {
+    it("should handle the case when cs is an array", function () {
+      const fnDict = new _primitives.Dict();
+      fnDict.set("FunctionType", 4);
+      fnDict.set("Domain", [0.0, 1.0]);
+      fnDict.set("Range", [0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0]);
+      fnDict.set("Length", 58);
+      let fn = new _stream.StringStream("{ dup 0.84 mul " + "exch 0.00 exch " + "dup 0.44 mul " + "exch 0.21 mul }");
+      fn = new _stream.Stream(fn.bytes, 0, 58, fnDict);
+
+      const fnRef = _primitives.Ref.get(10, 0);
+
+      const cs = [_primitives.Name.get("Separation"), _primitives.Name.get("LogoGreen"), _primitives.Name.get("DeviceCMYK"), fnRef];
+      const xref = new _test_utils.XRefMock([{
+        ref: fnRef,
+        data: fn
+      }]);
+      const resources = new _primitives.Dict();
+      const pdfFunctionFactory = new _function.PDFFunctionFactory({
+        xref
+      });
+
+      const colorSpace = _colorspace.ColorSpace.parse({
+        cs,
+        xref,
+        resources,
+        pdfFunctionFactory,
+        localColorSpaceCache: new _image_utils.LocalColorSpaceCache()
+      });
+
+      const testSrc = new Uint8Array([27, 25, 50, 31]);
+      const testDest = new Uint8ClampedArray(3 * 3 * 3);
+      const expectedDest = new Uint8ClampedArray([226, 242, 241, 226, 242, 241, 229, 244, 242, 226, 242, 241, 226, 242, 241, 229, 244, 242, 203, 232, 229, 203, 232, 229, 222, 241, 238]);
+      colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
+      expect(colorSpace.getRgb([0.1], 0)).toEqual(new Uint8ClampedArray([228, 243, 242]));
+      expect(colorSpace.isPassthrough(8)).toBeFalsy();
+      expect(colorSpace.isDefaultDecode([0, 1])).toBeTruthy();
+      expect(testDest).toEqual(expectedDest);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/core_utils_spec.js b/node_modules/pdfjs-dist/lib/test/unit/core_utils_spec.js
new file mode 100644
index 00000000..224fa071
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/core_utils_spec.js
@@ -0,0 +1,211 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _primitives = require("../../core/primitives.js");
+
+var _core_utils = require("../../core/core_utils.js");
+
+var _test_utils = require("./test_utils.js");
+
+describe("core_utils", function () {
+  describe("getInheritableProperty", function () {
+    it("handles non-dictionary arguments", function () {
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: null,
+        key: "foo"
+      })).toEqual(undefined);
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: undefined,
+        key: "foo"
+      })).toEqual(undefined);
+    });
+    it("handles dictionaries that do not contain the property", function () {
+      const emptyDict = new _primitives.Dict();
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: emptyDict,
+        key: "foo"
+      })).toEqual(undefined);
+      const filledDict = new _primitives.Dict();
+      filledDict.set("bar", "baz");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: filledDict,
+        key: "foo"
+      })).toEqual(undefined);
+    });
+    it("fetches the property if it is not inherited", function () {
+      const ref = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref,
+        data: "quux"
+      }]);
+      const dict = new _primitives.Dict(xref);
+      dict.set("foo", "bar");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict,
+        key: "foo"
+      })).toEqual("bar");
+      dict.set("baz", ["qux", ref]);
+      expect((0, _core_utils.getInheritableProperty)({
+        dict,
+        key: "baz",
+        getArray: true
+      })).toEqual(["qux", "quux"]);
+    });
+    it("fetches the property if it is inherited and present on one level", function () {
+      const ref = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref,
+        data: "quux"
+      }]);
+      const firstDict = new _primitives.Dict(xref);
+      const secondDict = new _primitives.Dict(xref);
+      firstDict.set("Parent", secondDict);
+      secondDict.set("foo", "bar");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: firstDict,
+        key: "foo"
+      })).toEqual("bar");
+      secondDict.set("baz", ["qux", ref]);
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: firstDict,
+        key: "baz",
+        getArray: true
+      })).toEqual(["qux", "quux"]);
+    });
+    it("fetches the property if it is inherited and present on multiple levels", function () {
+      const ref = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref,
+        data: "quux"
+      }]);
+      const firstDict = new _primitives.Dict(xref);
+      const secondDict = new _primitives.Dict(xref);
+      firstDict.set("Parent", secondDict);
+      firstDict.set("foo", "bar1");
+      secondDict.set("foo", "bar2");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: firstDict,
+        key: "foo"
+      })).toEqual("bar1");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: firstDict,
+        key: "foo",
+        getArray: false,
+        stopWhenFound: false
+      })).toEqual(["bar1", "bar2"]);
+      firstDict.set("baz", ["qux1", ref]);
+      secondDict.set("baz", ["qux2", ref]);
+      expect((0, _core_utils.getInheritableProperty)({
+        dict: firstDict,
+        key: "baz",
+        getArray: true,
+        stopWhenFound: false
+      })).toEqual([["qux1", "quux"], ["qux2", "quux"]]);
+    });
+    it("stops searching when the loop limit is reached", function () {
+      const dict = new _primitives.Dict();
+      let currentDict = dict;
+      let parentDict = null;
+
+      for (let i = 0; i < 150; i++) {
+        parentDict = new _primitives.Dict();
+        currentDict.set("Parent", parentDict);
+        currentDict = parentDict;
+      }
+
+      parentDict.set("foo", "bar");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict,
+        key: "foo"
+      })).toEqual(undefined);
+      dict.set("foo", "baz");
+      expect((0, _core_utils.getInheritableProperty)({
+        dict,
+        key: "foo",
+        getArray: false,
+        stopWhenFound: false
+      })).toEqual(["baz"]);
+    });
+  });
+  describe("toRomanNumerals", function () {
+    it("handles invalid arguments", function () {
+      for (const input of ["foo", -1, 0]) {
+        expect(function () {
+          (0, _core_utils.toRomanNumerals)(input);
+        }).toThrow(new Error("The number should be a positive integer."));
+      }
+    });
+    it("converts numbers to uppercase Roman numerals", function () {
+      expect((0, _core_utils.toRomanNumerals)(1)).toEqual("I");
+      expect((0, _core_utils.toRomanNumerals)(6)).toEqual("VI");
+      expect((0, _core_utils.toRomanNumerals)(7)).toEqual("VII");
+      expect((0, _core_utils.toRomanNumerals)(8)).toEqual("VIII");
+      expect((0, _core_utils.toRomanNumerals)(10)).toEqual("X");
+      expect((0, _core_utils.toRomanNumerals)(40)).toEqual("XL");
+      expect((0, _core_utils.toRomanNumerals)(100)).toEqual("C");
+      expect((0, _core_utils.toRomanNumerals)(500)).toEqual("D");
+      expect((0, _core_utils.toRomanNumerals)(1000)).toEqual("M");
+      expect((0, _core_utils.toRomanNumerals)(2019)).toEqual("MMXIX");
+    });
+    it("converts numbers to lowercase Roman numerals", function () {
+      expect((0, _core_utils.toRomanNumerals)(1, true)).toEqual("i");
+      expect((0, _core_utils.toRomanNumerals)(6, true)).toEqual("vi");
+      expect((0, _core_utils.toRomanNumerals)(7, true)).toEqual("vii");
+      expect((0, _core_utils.toRomanNumerals)(8, true)).toEqual("viii");
+      expect((0, _core_utils.toRomanNumerals)(10, true)).toEqual("x");
+      expect((0, _core_utils.toRomanNumerals)(40, true)).toEqual("xl");
+      expect((0, _core_utils.toRomanNumerals)(100, true)).toEqual("c");
+      expect((0, _core_utils.toRomanNumerals)(500, true)).toEqual("d");
+      expect((0, _core_utils.toRomanNumerals)(1000, true)).toEqual("m");
+      expect((0, _core_utils.toRomanNumerals)(2019, true)).toEqual("mmxix");
+    });
+  });
+  describe("log2", function () {
+    it("handles values smaller than/equal to zero", function () {
+      expect((0, _core_utils.log2)(0)).toEqual(0);
+      expect((0, _core_utils.log2)(-1)).toEqual(0);
+    });
+    it("handles values larger than zero", function () {
+      expect((0, _core_utils.log2)(1)).toEqual(0);
+      expect((0, _core_utils.log2)(2)).toEqual(1);
+      expect((0, _core_utils.log2)(3)).toEqual(2);
+      expect((0, _core_utils.log2)(3.14)).toEqual(2);
+    });
+  });
+  describe("isWhiteSpace", function () {
+    it("handles space characters", function () {
+      expect((0, _core_utils.isWhiteSpace)(0x20)).toEqual(true);
+      expect((0, _core_utils.isWhiteSpace)(0x09)).toEqual(true);
+      expect((0, _core_utils.isWhiteSpace)(0x0d)).toEqual(true);
+      expect((0, _core_utils.isWhiteSpace)(0x0a)).toEqual(true);
+    });
+    it("handles non-space characters", function () {
+      expect((0, _core_utils.isWhiteSpace)(0x0b)).toEqual(false);
+      expect((0, _core_utils.isWhiteSpace)(null)).toEqual(false);
+      expect((0, _core_utils.isWhiteSpace)(undefined)).toEqual(false);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/crypto_spec.js b/node_modules/pdfjs-dist/lib/test/unit/crypto_spec.js
new file mode 100644
index 00000000..b6da04de
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/crypto_spec.js
@@ -0,0 +1,584 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _crypto = require("../../core/crypto.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _util = require("../../shared/util.js");
+
+describe("crypto", function () {
+  function hex2binary(s) {
+    var digits = "0123456789ABCDEF";
+    s = s.toUpperCase();
+    var n = s.length >> 1,
+        i,
+        j;
+    var result = new Uint8Array(n);
+
+    for (i = 0, j = 0; i < n; ++i) {
+      var d1 = s.charAt(j++);
+      var d2 = s.charAt(j++);
+      var value = digits.indexOf(d1) << 4 | digits.indexOf(d2);
+      result[i] = value;
+    }
+
+    return result;
+  }
+
+  describe("calculateMD5", function () {
+    it("should pass RFC 1321 test #1", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("d41d8cd98f00b204e9800998ecf8427e");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #2", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("a");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("0cc175b9c0f1b6a831c399e269772661");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #3", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abc");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("900150983cd24fb0d6963f7d28e17f72");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #4", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("message digest");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("f96b697d7cb7938d525a2f31aaf161d0");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #5", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abcdefghijklmnopqrstuvwxyz");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("c3fcd3d76192e4007dfb496cca67e13b");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #6", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("d174ab98d277d9f5a5611c2c9f419d9f");
+      expect(result).toEqual(expected);
+    });
+    it("should pass RFC 1321 test #7", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("123456789012345678901234567890123456789012345678" + "90123456789012345678901234567890");
+      result = (0, _crypto.calculateMD5)(input, 0, input.length);
+      expected = hex2binary("57edf4a22be3c955ac49da2e2107b67a");
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("ARCFourCipher", function () {
+    it("should pass test #1", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("0123456789abcdef");
+      input = hex2binary("0123456789abcdef");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("75b7878099e0c596");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #2", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("0123456789abcdef");
+      input = hex2binary("0000000000000000");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("7494c2e7104b0879");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #3", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("0000000000000000");
+      input = hex2binary("0000000000000000");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("de188941a3375d3a");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #4", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("ef012345");
+      input = hex2binary("00000000000000000000");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("d6a141a7ec3c38dfbd61");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #5", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("0123456789abcdef");
+      input = hex2binary("010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "10101010101010101010101010101010101010101010101010101010101010101010" + "101010101010101010101");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("7595c3e6114a09780c4ad452338e1ffd9a1be9498f813d76" + "533449b6778dcad8c78a8d2ba9ac66085d0e53d59c26c2d1c490c1ebbe0ce66d1b6b" + "1b13b6b919b847c25a91447a95e75e4ef16779cde8bf0a95850e32af9689444fd377" + "108f98fdcbd4e726567500990bcc7e0ca3c4aaa304a387d20f3b8fbbcd42a1bd311d" + "7a4303dda5ab078896ae80c18b0af66dff319616eb784e495ad2ce90d7f772a81747" + "b65f62093b1e0db9e5ba532fafec47508323e671327df9444432cb7367cec82f5d44" + "c0d00b67d650a075cd4b70dedd77eb9b10231b6b5b741347396d62897421d43df9b4" + "2e446e358e9c11a9b2184ecbef0cd8e7a877ef968f1390ec9b3d35a5585cb009290e" + "2fcde7b5ec66d9084be44055a619d9dd7fc3166f9487f7cb272912426445998514c1" + "5d53a18c864ce3a2b7555793988126520eacf2e3066e230c91bee4dd5304f5fd0405" + "b35bd99c73135d3d9bc335ee049ef69b3867bf2d7bd1eaa595d8bfc0066ff8d31509" + "eb0c6caa006c807a623ef84c3d33c195d23ee320c40de0558157c822d4b8c569d849" + "aed59d4e0fd7f379586b4b7ff684ed6a189f7486d49b9c4bad9ba24b96abf924372c" + "8a8fffb10d55354900a77a3db5f205e1b99fcd8660863a159ad4abe40fa48934163d" + "dde542a6585540fd683cbfd8c00f12129a284deacc4cdefe58be7137541c047126c8" + "d49e2755ab181ab7e940b0c0");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #6", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("fb029e3031323334");
+      input = hex2binary("aaaa0300000008004500004e661a00008011be640a0001220af" + "fffff00890089003a000080a601100001000000000000204543454a4548454346434" + "550464545494546464343414341434143414341414100002000011bd0b604");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("f69c5806bd6ce84626bcbefb9474650aad1f7909b0f64d5f" + "58a503a258b7ed22eb0ea64930d3a056a55742fcce141d485f8aa836dea18df42c53" + "80805ad0c61a5d6f58f41040b24b7d1a693856ed0d4398e7aee3bf0e2a2ca8f7");
+      expect(result).toEqual(expected);
+    });
+    it("should pass test #7", function () {
+      var key, input, result, expected, cipher;
+      key = hex2binary("0123456789abcdef");
+      input = hex2binary("123456789abcdef0123456789abcdef0123456789abcdef012345678");
+      cipher = new _crypto.ARCFourCipher(key);
+      result = cipher.encryptBlock(input);
+      expected = hex2binary("66a0949f8af7d6891f7f832ba833c00c892ebe30143ce28740011ecf");
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("calculateSHA256", function () {
+    it("should properly hash abc", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abc");
+      result = (0, _crypto.calculateSHA256)(input, 0, input.length);
+      expected = hex2binary("BA7816BF8F01CFEA414140DE5DAE2223B00361A396177A9CB410FF61F20015AD");
+      expect(result).toEqual(expected);
+    });
+    it("should properly hash a multiblock input", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
+      result = (0, _crypto.calculateSHA256)(input, 0, input.length);
+      expected = hex2binary("248D6A61D20638B8E5C026930C3E6039A33CE45964FF2167F6ECEDD419DB06C1");
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("calculateSHA384", function () {
+    it("should properly hash abc", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abc");
+      result = (0, _crypto.calculateSHA384)(input, 0, input.length);
+      expected = hex2binary("CB00753F45A35E8BB5A03D699AC65007272C32AB0EDED163" + "1A8B605A43FF5BED8086072BA1E7CC2358BAECA134C825A7");
+      expect(result).toEqual(expected);
+    });
+    it("should properly hash a multiblock input", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abcdefghbcdefghicdefghijdefghijkefghijklfghijklm" + "ghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrs" + "mnopqrstnopqrstu");
+      result = (0, _crypto.calculateSHA384)(input, 0, input.length);
+      expected = hex2binary("09330C33F71147E83D192FC782CD1B4753111B173B3B05D2" + "2FA08086E3B0F712FCC7C71A557E2DB966C3E9FA91746039");
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("calculateSHA512", function () {
+    it("should properly hash abc", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abc");
+      result = (0, _crypto.calculateSHA512)(input, 0, input.length);
+      expected = hex2binary("DDAF35A193617ABACC417349AE20413112E6FA4E89A97EA2" + "0A9EEEE64B55D39A2192992A274FC1A836BA3C23A3FEEBBD" + "454D4423643CE80E2A9AC94FA54CA49F");
+      expect(result).toEqual(expected);
+    });
+    it("should properly hash a multiblock input", function () {
+      var input, result, expected;
+      input = (0, _util.stringToBytes)("abcdefghbcdefghicdefghijdefghijkefghijklfghijklm" + "ghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrs" + "mnopqrstnopqrstu");
+      result = (0, _crypto.calculateSHA512)(input, 0, input.length);
+      expected = hex2binary("8E959B75DAE313DA8CF4F72814FC143F8F7779C6EB9F7FA1" + "7299AEADB6889018501D289E4900F7E4331B99DEC4B5433A" + "C7D329EEB6DD26545E96E55B874BE909");
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("AES128", function () {
+    describe("Encryption", function () {
+      it("should be able to encrypt a block", function () {
+        var input, key, result, expected, iv, cipher;
+        input = hex2binary("00112233445566778899aabbccddeeff");
+        key = hex2binary("000102030405060708090a0b0c0d0e0f");
+        iv = hex2binary("00000000000000000000000000000000");
+        cipher = new _crypto.AES128Cipher(key);
+        result = cipher.encrypt(input, iv);
+        expected = hex2binary("69c4e0d86a7b0430d8cdb78070b4c55a");
+        expect(result).toEqual(expected);
+      });
+    });
+    describe("Decryption", function () {
+      it("should be able to decrypt a block with IV in stream", function () {
+        var input, key, result, expected, cipher;
+        input = hex2binary("0000000000000000000000000000000069c4e0d86a7b0430d" + "8cdb78070b4c55a");
+        key = hex2binary("000102030405060708090a0b0c0d0e0f");
+        cipher = new _crypto.AES128Cipher(key);
+        result = cipher.decryptBlock(input);
+        expected = hex2binary("00112233445566778899aabbccddeeff");
+        expect(result).toEqual(expected);
+      });
+    });
+  });
+  describe("AES256", function () {
+    describe("Encryption", function () {
+      it("should be able to encrypt a block", function () {
+        var input, key, result, expected, iv, cipher;
+        input = hex2binary("00112233445566778899aabbccddeeff");
+        key = hex2binary("000102030405060708090a0b0c0d0e0f101112131415161718" + "191a1b1c1d1e1f");
+        iv = hex2binary("00000000000000000000000000000000");
+        cipher = new _crypto.AES256Cipher(key);
+        result = cipher.encrypt(input, iv);
+        expected = hex2binary("8ea2b7ca516745bfeafc49904b496089");
+        expect(result).toEqual(expected);
+      });
+    });
+    describe("Decryption", function () {
+      it("should be able to decrypt a block with specified iv", function () {
+        var input, key, result, expected, cipher, iv;
+        input = hex2binary("8ea2b7ca516745bfeafc49904b496089");
+        key = hex2binary("000102030405060708090a0b0c0d0e0f101112131415161718" + "191a1b1c1d1e1f");
+        iv = hex2binary("00000000000000000000000000000000");
+        cipher = new _crypto.AES256Cipher(key);
+        result = cipher.decryptBlock(input, false, iv);
+        expected = hex2binary("00112233445566778899aabbccddeeff");
+        expect(result).toEqual(expected);
+      });
+      it("should be able to decrypt a block with IV in stream", function () {
+        var input, key, result, expected, cipher;
+        input = hex2binary("000000000000000000000000000000008ea2b7ca516745bf" + "eafc49904b496089");
+        key = hex2binary("000102030405060708090a0b0c0d0e0f101112131415161718" + "191a1b1c1d1e1f");
+        cipher = new _crypto.AES256Cipher(key);
+        result = cipher.decryptBlock(input, false);
+        expected = hex2binary("00112233445566778899aabbccddeeff");
+        expect(result).toEqual(expected);
+      });
+    });
+  });
+  describe("PDF17Algorithm", function () {
+    it("should correctly check a user key", function () {
+      var password, userValidation, userPassword, alg, result;
+      alg = new _crypto.PDF17();
+      password = new Uint8Array([117, 115, 101, 114]);
+      userValidation = new Uint8Array([117, 169, 4, 32, 159, 101, 22, 220]);
+      userPassword = new Uint8Array([131, 242, 143, 160, 87, 2, 138, 134, 79, 253, 189, 173, 224, 73, 144, 241, 190, 81, 197, 15, 249, 105, 145, 151, 15, 194, 65, 3, 1, 126, 187, 221]);
+      result = alg.checkUserPassword(password, userValidation, userPassword);
+      expect(result).toEqual(true);
+    });
+    it("should correctly check an owner key", function () {
+      var password, ownerValidation, ownerPassword, alg, result, uBytes;
+      alg = new _crypto.PDF17();
+      password = new Uint8Array([111, 119, 110, 101, 114]);
+      ownerValidation = new Uint8Array([243, 118, 71, 153, 128, 17, 101, 62]);
+      ownerPassword = new Uint8Array([60, 98, 137, 35, 51, 101, 200, 152, 210, 178, 226, 228, 134, 205, 163, 24, 204, 126, 177, 36, 106, 50, 36, 125, 210, 172, 171, 120, 222, 108, 139, 115]);
+      uBytes = new Uint8Array([131, 242, 143, 160, 87, 2, 138, 134, 79, 253, 189, 173, 224, 73, 144, 241, 190, 81, 197, 15, 249, 105, 145, 151, 15, 194, 65, 3, 1, 126, 187, 221, 117, 169, 4, 32, 159, 101, 22, 220, 168, 94, 215, 192, 100, 38, 188, 40]);
+      result = alg.checkOwnerPassword(password, ownerValidation, uBytes, ownerPassword);
+      expect(result).toEqual(true);
+    });
+    it("should generate a file encryption key from the user key", function () {
+      var password, userKeySalt, expected, alg, result, userEncryption;
+      alg = new _crypto.PDF17();
+      password = new Uint8Array([117, 115, 101, 114]);
+      userKeySalt = new Uint8Array([168, 94, 215, 192, 100, 38, 188, 40]);
+      userEncryption = new Uint8Array([35, 150, 195, 169, 245, 51, 51, 255, 158, 158, 33, 242, 231, 75, 125, 190, 25, 126, 172, 114, 195, 244, 137, 245, 234, 165, 42, 74, 60, 38, 17, 17]);
+      result = alg.getUserKey(password, userKeySalt, userEncryption);
+      expected = new Uint8Array([63, 114, 136, 209, 87, 61, 12, 30, 249, 1, 186, 144, 254, 248, 163, 153, 151, 51, 133, 10, 80, 152, 206, 15, 72, 187, 231, 33, 224, 239, 13, 213]);
+      expect(result).toEqual(expected);
+    });
+    it("should generate a file encryption key from the owner key", function () {
+      var password, ownerKeySalt, expected, alg, result, ownerEncryption;
+      var uBytes;
+      alg = new _crypto.PDF17();
+      password = new Uint8Array([111, 119, 110, 101, 114]);
+      ownerKeySalt = new Uint8Array([200, 245, 242, 12, 218, 123, 24, 120]);
+      ownerEncryption = new Uint8Array([213, 202, 14, 189, 110, 76, 70, 191, 6, 195, 10, 190, 157, 100, 144, 85, 8, 62, 123, 178, 156, 229, 50, 40, 229, 216, 54, 222, 34, 38, 106, 223]);
+      uBytes = new Uint8Array([131, 242, 143, 160, 87, 2, 138, 134, 79, 253, 189, 173, 224, 73, 144, 241, 190, 81, 197, 15, 249, 105, 145, 151, 15, 194, 65, 3, 1, 126, 187, 221, 117, 169, 4, 32, 159, 101, 22, 220, 168, 94, 215, 192, 100, 38, 188, 40]);
+      result = alg.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);
+      expected = new Uint8Array([63, 114, 136, 209, 87, 61, 12, 30, 249, 1, 186, 144, 254, 248, 163, 153, 151, 51, 133, 10, 80, 152, 206, 15, 72, 187, 231, 33, 224, 239, 13, 213]);
+      expect(result).toEqual(expected);
+    });
+  });
+  describe("PDF20Algorithm", function () {
+    it("should correctly check a user key", function () {
+      var password, userValidation, userPassword, alg, result;
+      alg = new _crypto.PDF20();
+      password = new Uint8Array([117, 115, 101, 114]);
+      userValidation = new Uint8Array([83, 245, 146, 101, 198, 247, 34, 198]);
+      userPassword = new Uint8Array([94, 230, 205, 75, 166, 99, 250, 76, 219, 128, 17, 85, 57, 17, 33, 164, 150, 46, 103, 176, 160, 156, 187, 233, 166, 223, 163, 253, 147, 235, 95, 184]);
+      result = alg.checkUserPassword(password, userValidation, userPassword);
+      expect(result).toEqual(true);
+    });
+    it("should correctly check an owner key", function () {
+      var password, ownerValidation, ownerPassword, alg, result, uBytes;
+      alg = new _crypto.PDF20();
+      password = new Uint8Array([111, 119, 110, 101, 114]);
+      ownerValidation = new Uint8Array([142, 232, 169, 208, 202, 214, 5, 185]);
+      ownerPassword = new Uint8Array([88, 232, 62, 54, 245, 26, 245, 209, 137, 123, 221, 72, 199, 49, 37, 217, 31, 74, 115, 167, 127, 158, 176, 77, 45, 163, 87, 47, 39, 90, 217, 141]);
+      uBytes = new Uint8Array([94, 230, 205, 75, 166, 99, 250, 76, 219, 128, 17, 85, 57, 17, 33, 164, 150, 46, 103, 176, 160, 156, 187, 233, 166, 223, 163, 253, 147, 235, 95, 184, 83, 245, 146, 101, 198, 247, 34, 198, 191, 11, 16, 94, 237, 216, 20, 175]);
+      result = alg.checkOwnerPassword(password, ownerValidation, uBytes, ownerPassword);
+      expect(result).toEqual(true);
+    });
+    it("should generate a file encryption key from the user key", function () {
+      var password, userKeySalt, expected, alg, result, userEncryption;
+      alg = new _crypto.PDF20();
+      password = new Uint8Array([117, 115, 101, 114]);
+      userKeySalt = new Uint8Array([191, 11, 16, 94, 237, 216, 20, 175]);
+      userEncryption = new Uint8Array([121, 208, 2, 181, 230, 89, 156, 60, 253, 143, 212, 28, 84, 180, 196, 177, 173, 128, 221, 107, 46, 20, 94, 186, 135, 51, 95, 24, 20, 223, 254, 36]);
+      result = alg.getUserKey(password, userKeySalt, userEncryption);
+      expected = new Uint8Array([42, 218, 213, 39, 73, 91, 72, 79, 67, 38, 248, 133, 18, 189, 61, 34, 107, 79, 29, 56, 59, 181, 213, 118, 113, 34, 65, 210, 87, 174, 22, 239]);
+      expect(result).toEqual(expected);
+    });
+    it("should generate a file encryption key from the owner key", function () {
+      var password, ownerKeySalt, expected, alg, result, ownerEncryption;
+      var uBytes;
+      alg = new _crypto.PDF20();
+      password = new Uint8Array([111, 119, 110, 101, 114]);
+      ownerKeySalt = new Uint8Array([29, 208, 185, 46, 11, 76, 135, 149]);
+      ownerEncryption = new Uint8Array([209, 73, 224, 77, 103, 155, 201, 181, 190, 68, 223, 20, 62, 90, 56, 210, 5, 240, 178, 128, 238, 124, 68, 254, 253, 244, 62, 108, 208, 135, 10, 251]);
+      uBytes = new Uint8Array([94, 230, 205, 75, 166, 99, 250, 76, 219, 128, 17, 85, 57, 17, 33, 164, 150, 46, 103, 176, 160, 156, 187, 233, 166, 223, 163, 253, 147, 235, 95, 184, 83, 245, 146, 101, 198, 247, 34, 198, 191, 11, 16, 94, 237, 216, 20, 175]);
+      result = alg.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);
+      expected = new Uint8Array([42, 218, 213, 39, 73, 91, 72, 79, 67, 38, 248, 133, 18, 189, 61, 34, 107, 79, 29, 56, 59, 181, 213, 118, 113, 34, 65, 210, 87, 174, 22, 239]);
+      expect(result).toEqual(expected);
+    });
+  });
+});
+describe("CipherTransformFactory", function () {
+  function buildDict(map) {
+    var dict = new _primitives.Dict();
+
+    for (var key in map) {
+      dict.set(key, map[key]);
+    }
+
+    return dict;
+  }
+
+  function ensurePasswordCorrect(done, dict, fileId, password) {
+    try {
+      var factory = new _crypto.CipherTransformFactory(dict, fileId, password);
+      expect("createCipherTransform" in factory).toEqual(true);
+    } catch (ex) {
+      done.fail("Password should be accepted: " + ex);
+      return;
+    }
+
+    done();
+  }
+
+  function ensurePasswordNeeded(done, dict, fileId, password) {
+    try {
+      new _crypto.CipherTransformFactory(dict, fileId, password);
+    } catch (ex) {
+      expect(ex instanceof _util.PasswordException).toEqual(true);
+      expect(ex.code).toEqual(_util.PasswordResponses.NEED_PASSWORD);
+      done();
+      return;
+    }
+
+    done.fail("Password should be rejected.");
+  }
+
+  function ensurePasswordIncorrect(done, dict, fileId, password) {
+    try {
+      new _crypto.CipherTransformFactory(dict, fileId, password);
+    } catch (ex) {
+      expect(ex instanceof _util.PasswordException).toEqual(true);
+      expect(ex.code).toEqual(_util.PasswordResponses.INCORRECT_PASSWORD);
+      done();
+      return;
+    }
+
+    done.fail("Password should be rejected.");
+  }
+
+  function ensureEncryptDecryptIsIdentity(dict, fileId, password, string) {
+    const factory = new _crypto.CipherTransformFactory(dict, fileId, password);
+    const cipher = factory.createCipherTransform(123, 0);
+    const encrypted = cipher.encryptString(string);
+    const decrypted = cipher.decryptString(encrypted);
+    expect(string).toEqual(decrypted);
+  }
+
+  var fileId1, fileId2, dict1, dict2, dict3;
+  var aes256Dict, aes256IsoDict, aes256BlankDict, aes256IsoBlankDict;
+  beforeAll(function (done) {
+    fileId1 = unescape("%F6%C6%AF%17%F3rR%8DRM%9A%80%D1%EF%DF%18");
+    fileId2 = unescape("%3CL_%3AD%96%AF@%9A%9D%B3%3Cx%1Cv%AC");
+    dict1 = buildDict({
+      Filter: _primitives.Name.get("Standard"),
+      V: 2,
+      Length: 128,
+      O: unescape("%80%C3%04%96%91o%20sl%3A%E6%1B%13T%91%F2%0DV%12%E3%FF%5E%B" + "B%E9VO%D8k%9A%CA%7C%5D"),
+      U: unescape("j%0C%8D%3EY%19%00%BCjd%7D%91%BD%AA%00%18%00%00%00%00%00%00" + "%00%00%00%00%00%00%00%00%00%00"),
+      P: -1028,
+      R: 3
+    });
+    dict2 = buildDict({
+      Filter: _primitives.Name.get("Standard"),
+      V: 4,
+      Length: 128,
+      O: unescape("sF%14v.y5%27%DB%97%0A5%22%B3%E1%D4%AD%BD%9B%3C%B4%A5%89u%1" + "5%B2Y%F1h%D9%E9%F4"),
+      U: unescape("%93%04%89%A9%BF%8AE%A6%88%A2%DB%C2%A0%A8gn%00%00%00%00%00%" + "00%00%00%00%00%00%00%00%00%00%00"),
+      P: -1084,
+      R: 4
+    });
+    dict3 = {
+      Filter: _primitives.Name.get("Standard"),
+      V: 5,
+      Length: 256,
+      O: unescape("%3Cb%89%233e%C8%98%D2%B2%E2%E4%86%CD%A3%18%CC%7E%B1%24j2%2" + "4%7D%D2%AC%ABx%DEl%8Bs%F3vG%99%80%11e%3E%C8%F5%F2%0C%DA%7B" + "%18x"),
+      U: unescape("%83%F2%8F%A0W%02%8A%86O%FD%BD%AD%E0I%90%F1%BEQ%C5%0F%F9i%9" + "1%97%0F%C2A%03%01%7E%BB%DDu%A9%04%20%9Fe%16%DC%A8%5E%D7%C0" + "d%26%BC%28"),
+      OE: unescape("%D5%CA%0E%BDnLF%BF%06%C3%0A%BE%9Dd%90U%08%3E%7B%B2%9C%E52" + "%28%E5%D86%DE%22%26j%DF"),
+      UE: unescape("%23%96%C3%A9%F533%FF%9E%9E%21%F2%E7K%7D%BE%19%7E%ACr%C3%F" + "4%89%F5%EA%A5*J%3C%26%11%11"),
+      Perms: unescape("%D8%FC%844%E5e%0DB%5D%7Ff%FD%3COMM"),
+      P: -1084,
+      R: 5
+    };
+    aes256Dict = buildDict(dict3);
+    aes256IsoDict = buildDict({
+      Filter: _primitives.Name.get("Standard"),
+      V: 5,
+      Length: 256,
+      O: unescape("X%E8%3E6%F5%1A%F5%D1%89%7B%DDH%C71%25%D9%1FJs%A7%7F%9E%B0M" + "-%A3W/%27Z%D9%8D%8E%E8%A9%D0%CA%D6%05%B9%1D%D0%B9.%0BL%87%" + "95"),
+      U: unescape("%5E%E6%CDK%A6c%FAL%DB%80%11U9%11%21%A4%96.g%B0%A0%9C%BB%E9" + "%A6%DF%A3%FD%93%EB_%B8S%F5%92e%C6%F7%22%C6%BF%0B%10%5E%ED%" + "D8%14%AF"),
+      OE: unescape("%D1I%E0Mg%9B%C9%B5%BED%DF%14%3EZ8%D2%05%F0%B2%80%EE%7CD%F" + "E%FD%F4%3El%D0%87%0A%FB"),
+      UE: unescape("y%D0%02%B5%E6Y%9C%3C%FD%8F%D4%1CT%B4%C4%B1%AD%80%DDk.%14%" + "5E%BA%873_%18%14%DF%FE%24"),
+      Perms: unescape("l%AD%0F%A0%EBM%86WM%3E%CB%B5%E0X%C97"),
+      P: -1084,
+      R: 6
+    });
+    aes256BlankDict = buildDict({
+      Filter: _primitives.Name.get("Standard"),
+      V: 5,
+      Length: 256,
+      O: unescape("%B8p%04%C3g%26%FCW%CCN%D4%16%A1%E8%950YZ%C9%9E%B1-%97%F3%F" + "E%03%13%19ffZn%8F%F5%EB%EC%CC5sV%10e%CEl%B5%E9G%C1"),
+      U: unescape("%83%D4zi%F1O0%961%12%CC%82%CB%CA%BF5y%FD%21%EB%E4%D1%B5%1D" + "%D6%FA%14%F3%BE%8Fqs%EF%88%DE%E2%E8%DC%F55%E4%B8%16%C8%14%" + "8De%1E"),
+      OE: unescape("%8F%19%E8%D4%27%D5%07%CA%C6%A1%11%A6a%5Bt%F4%DF%0F%84%29%" + "0F%E4%EFF7%5B%5B%11%A0%8F%17e"),
+      UE: unescape("%81%F5%5D%B0%28%81%E4%7F_%7C%8F%85b%A0%7E%10%D0%88lx%7B%7" + "EJ%5E%912%B6d%12%27%05%F6"),
+      Perms: unescape("%86%1562%0D%AE%A2%FB%5D%3B%22%3Dq%12%B2H"),
+      P: -1084,
+      R: 5
+    });
+    aes256IsoBlankDict = buildDict({
+      Filter: _primitives.Name.get("Standard"),
+      V: 5,
+      Length: 256,
+      O: unescape("%F7%DB%99U%A6M%ACk%AF%CF%D7AFw%E9%C1%91%CBDgI%23R%CF%0C%15" + "r%D74%0D%CE%E9%91@%E4%98QF%BF%88%7Ej%DE%AD%8F%F4@%C1"),
+      U: unescape("%1A%A9%DC%918%83%93k%29%5B%117%B16%DB%E8%8E%FE%28%E5%89%D4" + "%0E%AD%12%3B%7DN_6fez%8BG%18%05YOh%7DZH%A3Z%87%17*"),
+      OE: unescape("%A4a%88%20h%1B%7F%CD%D5%CAc%D8R%83%E5%D6%1C%D2%98%07%984%" + "BA%AF%1B%B4%7FQ%F8%1EU%7D"),
+      UE: unescape("%A0%0AZU%27%1D%27%2C%0B%FE%0E%A2L%F9b%5E%A1%B9%D6v7b%B26%" + "A9N%99%F1%A4Deq"),
+      Perms: unescape("%03%F2i%07%0D%C3%F9%F2%28%80%B7%F5%DD%D1c%EB"),
+      P: -1084,
+      R: 6
+    });
+    done();
+  });
+  afterAll(function () {
+    fileId1 = fileId2 = dict1 = dict2 = dict3 = null;
+    aes256Dict = aes256IsoDict = aes256BlankDict = aes256IsoBlankDict = null;
+  });
+  describe("#ctor", function () {
+    describe("AES256 Revision 5", function () {
+      it("should accept user password", function (done) {
+        ensurePasswordCorrect(done, aes256Dict, fileId1, "user");
+      });
+      it("should accept owner password", function (done) {
+        ensurePasswordCorrect(done, aes256Dict, fileId1, "owner");
+      });
+      it("should not accept blank password", function (done) {
+        ensurePasswordNeeded(done, aes256Dict, fileId1);
+      });
+      it("should not accept wrong password", function (done) {
+        ensurePasswordIncorrect(done, aes256Dict, fileId1, "wrong");
+      });
+      it("should accept blank password", function (done) {
+        ensurePasswordCorrect(done, aes256BlankDict, fileId1);
+      });
+    });
+    describe("AES256 Revision 6", function () {
+      it("should accept user password", function (done) {
+        ensurePasswordCorrect(done, aes256IsoDict, fileId1, "user");
+      });
+      it("should accept owner password", function (done) {
+        ensurePasswordCorrect(done, aes256IsoDict, fileId1, "owner");
+      });
+      it("should not accept blank password", function (done) {
+        ensurePasswordNeeded(done, aes256IsoDict, fileId1);
+      });
+      it("should not accept wrong password", function (done) {
+        ensurePasswordIncorrect(done, aes256IsoDict, fileId1, "wrong");
+      });
+      it("should accept blank password", function (done) {
+        ensurePasswordCorrect(done, aes256IsoBlankDict, fileId1);
+      });
+    });
+    it("should accept user password", function (done) {
+      ensurePasswordCorrect(done, dict1, fileId1, "123456");
+    });
+    it("should accept owner password", function (done) {
+      ensurePasswordCorrect(done, dict1, fileId1, "654321");
+    });
+    it("should not accept blank password", function (done) {
+      ensurePasswordNeeded(done, dict1, fileId1);
+    });
+    it("should not accept wrong password", function (done) {
+      ensurePasswordIncorrect(done, dict1, fileId1, "wrong");
+    });
+    it("should accept blank password", function (done) {
+      ensurePasswordCorrect(done, dict2, fileId2);
+    });
+  });
+  describe("Encrypt and decrypt", function () {
+    it("should encrypt and decrypt using ARCFour", function (done) {
+      dict3.CF = buildDict({
+        Identity: buildDict({
+          CFM: _primitives.Name.get("V2")
+        })
+      });
+      const dict = buildDict(dict3);
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "hello world");
+      done();
+    });
+    it("should encrypt and decrypt using AES128", function (done) {
+      dict3.CF = buildDict({
+        Identity: buildDict({
+          CFM: _primitives.Name.get("AESV2")
+        })
+      });
+      const dict = buildDict(dict3);
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "a");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aa");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaaaaaaaaaaaaaa");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaaaaaaaaaaaaaaaaa");
+      done();
+    });
+    it("should encrypt and decrypt using AES256", function (done) {
+      dict3.CF = buildDict({
+        Identity: buildDict({
+          CFM: _primitives.Name.get("AESV3")
+        })
+      });
+      const dict = buildDict(dict3);
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaa");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaaa");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaaaaaaaaaaaaaa");
+      ensureEncryptDecryptIsIdentity(dict, fileId1, "user", "aaaaaaaaaaaaaaaaaaaaaa");
+      done();
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/custom_spec.js b/node_modules/pdfjs-dist/lib/test/unit/custom_spec.js
new file mode 100644
index 00000000..8150a937
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/custom_spec.js
@@ -0,0 +1,236 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _display_utils = require("../../display/display_utils.js");
+
+var _api = require("../../display/api.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _node_utils = require("../../display/node_utils.js");
+
+function getTopLeftPixel(canvasContext) {
+  const imgData = canvasContext.getImageData(0, 0, 1, 1);
+  return {
+    r: imgData.data[0],
+    g: imgData.data[1],
+    b: imgData.data[2],
+    a: imgData.data[3]
+  };
+}
+
+describe("custom canvas rendering", function () {
+  const transparentGetDocumentParams = (0, _test_utils.buildGetDocumentParams)("transparent.pdf");
+  let CanvasFactory;
+  let loadingTask;
+  let page;
+  beforeAll(function (done) {
+    if (_is_node.isNodeJS) {
+      CanvasFactory = new _node_utils.NodeCanvasFactory();
+    } else {
+      CanvasFactory = new _display_utils.DOMCanvasFactory();
+    }
+
+    loadingTask = (0, _api.getDocument)(transparentGetDocumentParams);
+    loadingTask.promise.then(function (doc) {
+      return doc.getPage(1);
+    }).then(function (data) {
+      page = data;
+      done();
+    }).catch(done.fail);
+  });
+  afterAll(function (done) {
+    CanvasFactory = null;
+    page = null;
+    loadingTask.destroy().then(done);
+  });
+  it("renders to canvas with a default white background", function (done) {
+    var viewport = page.getViewport({
+      scale: 1
+    });
+    var canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+    const renderTask = page.render({
+      canvasContext: canvasAndCtx.context,
+      viewport
+    });
+    renderTask.promise.then(function () {
+      expect(getTopLeftPixel(canvasAndCtx.context)).toEqual({
+        r: 255,
+        g: 255,
+        b: 255,
+        a: 255
+      });
+      CanvasFactory.destroy(canvasAndCtx);
+      done();
+    }).catch(done.fail);
+  });
+  it("renders to canvas with a custom background", function (done) {
+    var viewport = page.getViewport({
+      scale: 1
+    });
+    var canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+    const renderTask = page.render({
+      canvasContext: canvasAndCtx.context,
+      viewport,
+      background: "rgba(255,0,0,1.0)"
+    });
+    renderTask.promise.then(function () {
+      expect(getTopLeftPixel(canvasAndCtx.context)).toEqual({
+        r: 255,
+        g: 0,
+        b: 0,
+        a: 255
+      });
+      CanvasFactory.destroy(canvasAndCtx);
+      done();
+    }).catch(done.fail);
+  });
+});
+describe("custom ownerDocument", function () {
+  const FontFace = globalThis.FontFace;
+
+  const checkFont = font => /g_d\d+_f1/.test(font.family);
+
+  const checkFontFaceRule = rule => /^@font-face {font-family:"g_d\d+_f1";src:/.test(rule);
+
+  beforeEach(() => {
+    globalThis.FontFace = function MockFontFace(name) {
+      this.family = name;
+    };
+  });
+  afterEach(() => {
+    globalThis.FontFace = FontFace;
+  });
+
+  function getMocks() {
+    const elements = [];
+
+    const createElement = name => {
+      let element = typeof document !== "undefined" && document.createElement(name);
+
+      if (name === "style") {
+        element = {
+          tagName: name,
+          sheet: {
+            cssRules: [],
+
+            insertRule(rule) {
+              this.cssRules.push(rule);
+            }
+
+          }
+        };
+        Object.assign(element, {
+          remove() {
+            this.remove.called = true;
+          }
+
+        });
+      }
+
+      elements.push(element);
+      return element;
+    };
+
+    const ownerDocument = {
+      fonts: new Set(),
+      createElement,
+      documentElement: {
+        getElementsByTagName: () => [{
+          appendChild: () => {}
+        }]
+      }
+    };
+    const CanvasFactory = _is_node.isNodeJS ? new _node_utils.NodeCanvasFactory() : new _display_utils.DOMCanvasFactory({
+      ownerDocument
+    });
+    return {
+      elements,
+      ownerDocument,
+      CanvasFactory
+    };
+  }
+
+  it("should use given document for loading fonts (with Font Loading API)", async function () {
+    const {
+      ownerDocument,
+      elements,
+      CanvasFactory
+    } = getMocks();
+    const getDocumentParams = (0, _test_utils.buildGetDocumentParams)("TrueType_without_cmap.pdf", {
+      disableFontFace: false,
+      ownerDocument
+    });
+    const loadingTask = (0, _api.getDocument)(getDocumentParams);
+    const doc = await loadingTask.promise;
+    const page = await doc.getPage(1);
+    const viewport = page.getViewport({
+      scale: 1
+    });
+    const canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+    await page.render({
+      canvasContext: canvasAndCtx.context,
+      viewport
+    }).promise;
+    const style = elements.find(element => element.tagName === "style");
+    expect(style).toBeFalsy();
+    expect(ownerDocument.fonts.size).toBeGreaterThanOrEqual(1);
+    expect(Array.from(ownerDocument.fonts).find(checkFont)).toBeTruthy();
+    await doc.destroy();
+    await loadingTask.destroy();
+    CanvasFactory.destroy(canvasAndCtx);
+    expect(ownerDocument.fonts.size).toBe(0);
+  });
+  it("should use given document for loading fonts (with CSS rules)", async function () {
+    const {
+      ownerDocument,
+      elements,
+      CanvasFactory
+    } = getMocks();
+    ownerDocument.fonts = null;
+    const getDocumentParams = (0, _test_utils.buildGetDocumentParams)("TrueType_without_cmap.pdf", {
+      disableFontFace: false,
+      ownerDocument
+    });
+    const loadingTask = (0, _api.getDocument)(getDocumentParams);
+    const doc = await loadingTask.promise;
+    const page = await doc.getPage(1);
+    const viewport = page.getViewport({
+      scale: 1
+    });
+    const canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
+    await page.render({
+      canvasContext: canvasAndCtx.context,
+      viewport
+    }).promise;
+    const style = elements.find(element => element.tagName === "style");
+    expect(style.sheet.cssRules.length).toBeGreaterThanOrEqual(1);
+    expect(style.sheet.cssRules.find(checkFontFaceRule)).toBeTruthy();
+    await doc.destroy();
+    await loadingTask.destroy();
+    CanvasFactory.destroy(canvasAndCtx);
+    expect(style.remove.called).toBe(true);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/display_svg_spec.js b/node_modules/pdfjs-dist/lib/test/unit/display_svg_spec.js
new file mode 100644
index 00000000..d1974cc7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/display_svg_spec.js
@@ -0,0 +1,156 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _domstubs = require("../../examples/node/domstubs.js");
+
+var _test_utils = require("./test_utils.js");
+
+var _api = require("../../display/api.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _svg = require("../../display/svg.js");
+
+const XLINK_NS = "http://www.w3.org/1999/xlink";
+
+function withZlib(isZlibRequired, callback) {
+  if (isZlibRequired) {
+    if (!_is_node.isNodeJS) {
+      throw new Error("zlib test can only be run in Node.js");
+    }
+
+    return callback();
+  }
+
+  if (!_is_node.isNodeJS) {
+    return callback();
+  }
+
+  var zlib = require("zlib");
+
+  var deflateSync = zlib.deflateSync;
+  zlib.deflateSync = disabledDeflateSync;
+
+  function disabledDeflateSync() {
+    throw new Error("zlib.deflateSync is explicitly disabled for testing.");
+  }
+
+  function restoreDeflateSync() {
+    if (zlib.deflateSync === disabledDeflateSync) {
+      zlib.deflateSync = deflateSync;
+    }
+  }
+
+  var promise = callback();
+  promise.then(restoreDeflateSync, restoreDeflateSync);
+  return promise;
+}
+
+describe("SVGGraphics", function () {
+  var loadingTask;
+  var page;
+  beforeAll(function (done) {
+    loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("xobject-image.pdf"));
+    loadingTask.promise.then(function (doc) {
+      doc.getPage(1).then(function (firstPage) {
+        page = firstPage;
+        done();
+      });
+    });
+  });
+  afterAll(function (done) {
+    loadingTask.destroy().then(done);
+  });
+  describe("paintImageXObject", function () {
+    function getSVGImage() {
+      var svgGfx;
+      return page.getOperatorList().then(function (opList) {
+        var forceDataSchema = true;
+        svgGfx = new _svg.SVGGraphics(page.commonObjs, page.objs, forceDataSchema);
+        return svgGfx.loadDependencies(opList);
+      }).then(function () {
+        var svgImg;
+        var elementContainer = {
+          appendChild(element) {
+            svgImg = element;
+          }
+
+        };
+        var xobjectObjId = "img_p0_1";
+
+        if (_is_node.isNodeJS) {
+          (0, _domstubs.setStubs)(global);
+        }
+
+        try {
+          var imgData = svgGfx.objs.get(xobjectObjId);
+          svgGfx.paintInlineImageXObject(imgData, elementContainer);
+        } finally {
+          if (_is_node.isNodeJS) {
+            (0, _domstubs.unsetStubs)(global);
+          }
+        }
+
+        return svgImg;
+      });
+    }
+
+    it('should fail require("zlib") unless in Node.js', function () {
+      function testFunc() {
+        require("zlib");
+      }
+
+      expect(testFunc.toString()).toMatch(/\srequire\(["']zlib["']\)/);
+
+      if (_is_node.isNodeJS) {
+        expect(testFunc).not.toThrow();
+      } else {
+        expect(testFunc).toThrow();
+      }
+    });
+    it("should produce a reasonably small svg:image", function (done) {
+      if (!_is_node.isNodeJS) {
+        pending("zlib.deflateSync is not supported in non-Node environments.");
+      }
+
+      withZlib(true, getSVGImage).then(function (svgImg) {
+        expect(svgImg.nodeName).toBe("svg:image");
+        expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
+        expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
+        var imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
+        expect(imgUrl).toMatch(/^data:image\/png;base64,/);
+        expect(imgUrl.length).toBeLessThan(367);
+      }).then(done, done.fail);
+    });
+    it("should be able to produce a svg:image without zlib", function (done) {
+      withZlib(false, getSVGImage).then(function (svgImg) {
+        expect(svgImg.nodeName).toBe("svg:image");
+        expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
+        expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
+        var imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
+        expect(imgUrl).toMatch(/^data:image\/png;base64,/);
+        expect(imgUrl.length).toBe(80246);
+      }).then(done, done.fail);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/display_utils_spec.js b/node_modules/pdfjs-dist/lib/test/unit/display_utils_spec.js
new file mode 100644
index 00000000..9cd22574
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/display_utils_spec.js
@@ -0,0 +1,263 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _display_utils = require("../../display/display_utils.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+describe("display_utils", function () {
+  describe("DOMCanvasFactory", function () {
+    let canvasFactory;
+    beforeAll(function (done) {
+      canvasFactory = new _display_utils.DOMCanvasFactory();
+      done();
+    });
+    afterAll(function () {
+      canvasFactory = null;
+    });
+    it("`create` should throw an error if the dimensions are invalid", function () {
+      expect(function () {
+        return canvasFactory.create(-1, 1);
+      }).toThrow(new Error("Invalid canvas size"));
+      expect(function () {
+        return canvasFactory.create(1, -1);
+      }).toThrow(new Error("Invalid canvas size"));
+    });
+    it("`create` should return a canvas if the dimensions are valid", function () {
+      if (_is_node.isNodeJS) {
+        pending("Document is not supported in Node.js.");
+      }
+
+      const {
+        canvas,
+        context
+      } = canvasFactory.create(20, 40);
+      expect(canvas instanceof HTMLCanvasElement).toBe(true);
+      expect(context instanceof CanvasRenderingContext2D).toBe(true);
+      expect(canvas.width).toBe(20);
+      expect(canvas.height).toBe(40);
+    });
+    it("`reset` should throw an error if no canvas is provided", function () {
+      const canvasAndContext = {
+        canvas: null,
+        context: null
+      };
+      expect(function () {
+        return canvasFactory.reset(canvasAndContext, 20, 40);
+      }).toThrow(new Error("Canvas is not specified"));
+    });
+    it("`reset` should throw an error if the dimensions are invalid", function () {
+      const canvasAndContext = {
+        canvas: "foo",
+        context: "bar"
+      };
+      expect(function () {
+        return canvasFactory.reset(canvasAndContext, -1, 1);
+      }).toThrow(new Error("Invalid canvas size"));
+      expect(function () {
+        return canvasFactory.reset(canvasAndContext, 1, -1);
+      }).toThrow(new Error("Invalid canvas size"));
+    });
+    it("`reset` should alter the canvas/context if the dimensions are valid", function () {
+      if (_is_node.isNodeJS) {
+        pending("Document is not supported in Node.js.");
+      }
+
+      const canvasAndContext = canvasFactory.create(20, 40);
+      canvasFactory.reset(canvasAndContext, 60, 80);
+      const {
+        canvas,
+        context
+      } = canvasAndContext;
+      expect(canvas instanceof HTMLCanvasElement).toBe(true);
+      expect(context instanceof CanvasRenderingContext2D).toBe(true);
+      expect(canvas.width).toBe(60);
+      expect(canvas.height).toBe(80);
+    });
+    it("`destroy` should throw an error if no canvas is provided", function () {
+      expect(function () {
+        return canvasFactory.destroy({});
+      }).toThrow(new Error("Canvas is not specified"));
+    });
+    it("`destroy` should clear the canvas/context", function () {
+      if (_is_node.isNodeJS) {
+        pending("Document is not supported in Node.js.");
+      }
+
+      const canvasAndContext = canvasFactory.create(20, 40);
+      canvasFactory.destroy(canvasAndContext);
+      const {
+        canvas,
+        context
+      } = canvasAndContext;
+      expect(canvas).toBe(null);
+      expect(context).toBe(null);
+    });
+  });
+  describe("DOMSVGFactory", function () {
+    let svgFactory;
+    beforeAll(function (done) {
+      svgFactory = new _display_utils.DOMSVGFactory();
+      done();
+    });
+    afterAll(function () {
+      svgFactory = null;
+    });
+    it("`create` should throw an error if the dimensions are invalid", function () {
+      expect(function () {
+        return svgFactory.create(-1, 0);
+      }).toThrow(new Error("Invalid SVG dimensions"));
+      expect(function () {
+        return svgFactory.create(0, -1);
+      }).toThrow(new Error("Invalid SVG dimensions"));
+    });
+    it("`create` should return an SVG element if the dimensions are valid", function () {
+      if (_is_node.isNodeJS) {
+        pending("Document is not supported in Node.js.");
+      }
+
+      const svg = svgFactory.create(20, 40);
+      expect(svg instanceof SVGSVGElement).toBe(true);
+      expect(svg.getAttribute("version")).toBe("1.1");
+      expect(svg.getAttribute("width")).toBe("20px");
+      expect(svg.getAttribute("height")).toBe("40px");
+      expect(svg.getAttribute("preserveAspectRatio")).toBe("none");
+      expect(svg.getAttribute("viewBox")).toBe("0 0 20 40");
+    });
+    it("`createElement` should throw an error if the type is not a string", function () {
+      expect(function () {
+        return svgFactory.createElement(true);
+      }).toThrow(new Error("Invalid SVG element type"));
+    });
+    it("`createElement` should return an SVG element if the type is valid", function () {
+      if (_is_node.isNodeJS) {
+        pending("Document is not supported in Node.js.");
+      }
+
+      const svg = svgFactory.createElement("svg:rect");
+      expect(svg instanceof SVGRectElement).toBe(true);
+    });
+  });
+  describe("getFilenameFromUrl", function () {
+    it("should get the filename from an absolute URL", function () {
+      const url = "https://server.org/filename.pdf";
+      expect((0, _display_utils.getFilenameFromUrl)(url)).toEqual("filename.pdf");
+    });
+    it("should get the filename from a relative URL", function () {
+      const url = "../../filename.pdf";
+      expect((0, _display_utils.getFilenameFromUrl)(url)).toEqual("filename.pdf");
+    });
+    it("should get the filename from a URL with an anchor", function () {
+      const url = "https://server.org/filename.pdf#foo";
+      expect((0, _display_utils.getFilenameFromUrl)(url)).toEqual("filename.pdf");
+    });
+    it("should get the filename from a URL with query parameters", function () {
+      const url = "https://server.org/filename.pdf?foo=bar";
+      expect((0, _display_utils.getFilenameFromUrl)(url)).toEqual("filename.pdf");
+    });
+  });
+  describe("isValidFetchUrl", function () {
+    it("handles invalid Fetch URLs", function () {
+      expect((0, _display_utils.isValidFetchUrl)(null)).toEqual(false);
+      expect((0, _display_utils.isValidFetchUrl)(100)).toEqual(false);
+      expect((0, _display_utils.isValidFetchUrl)("foo")).toEqual(false);
+      expect((0, _display_utils.isValidFetchUrl)("/foo", 100)).toEqual(false);
+    });
+    it("handles relative Fetch URLs", function () {
+      expect((0, _display_utils.isValidFetchUrl)("/foo", "file://www.example.com")).toEqual(false);
+      expect((0, _display_utils.isValidFetchUrl)("/foo", "http://www.example.com")).toEqual(true);
+    });
+    it("handles unsupported Fetch protocols", function () {
+      expect((0, _display_utils.isValidFetchUrl)("file://www.example.com")).toEqual(false);
+      expect((0, _display_utils.isValidFetchUrl)("ftp://www.example.com")).toEqual(false);
+    });
+    it("handles supported Fetch protocols", function () {
+      expect((0, _display_utils.isValidFetchUrl)("http://www.example.com")).toEqual(true);
+      expect((0, _display_utils.isValidFetchUrl)("https://www.example.com")).toEqual(true);
+    });
+  });
+  describe("PDFDateString", function () {
+    describe("toDateObject", function () {
+      it("converts PDF date strings to JavaScript `Date` objects", function () {
+        const expectations = {
+          undefined: null,
+          null: null,
+          42: null,
+          "2019": null,
+          D2019: null,
+          "D:": null,
+          "D:201": null,
+          "D:2019": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
+          "D:20190": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
+          "D:201900": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
+          "D:201913": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
+          "D:201902": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
+          "D:2019020": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
+          "D:20190200": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
+          "D:20190232": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
+          "D:20190203": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
+          "D:20190431": new Date(Date.UTC(2019, 4, 1, 0, 0, 0)),
+          "D:201902030": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
+          "D:2019020300": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
+          "D:2019020324": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
+          "D:2019020304": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
+          "D:20190203040": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
+          "D:201902030400": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
+          "D:201902030460": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
+          "D:201902030405": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
+          "D:2019020304050": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
+          "D:20190203040500": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
+          "D:20190203040560": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
+          "D:20190203040506": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506F": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506Z": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506-": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+0": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+01": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
+          "D:20190203040506+00'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+24'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
+          "D:20190203040506+01'": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
+          "D:20190203040506+01'0": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
+          "D:20190203040506+01'00": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
+          "D:20190203040506+01'60": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
+          "D:20190203040506+0102": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
+          "D:20190203040506+01'02": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
+          "D:20190203040506+01'02'": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
+          "D:20190203040506+05'07": new Date(Date.UTC(2019, 1, 2, 22, 58, 6))
+        };
+
+        for (const [input, expectation] of Object.entries(expectations)) {
+          const result = _display_utils.PDFDateString.toDateObject(input);
+
+          if (result) {
+            expect(result.getTime()).toEqual(expectation.getTime());
+          } else {
+            expect(result).toEqual(expectation);
+          }
+        }
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/document_spec.js b/node_modules/pdfjs-dist/lib/test/unit/document_spec.js
new file mode 100644
index 00000000..5137e480
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/document_spec.js
@@ -0,0 +1,153 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _document = require("../../core/document.js");
+
+var _stream = require("../../core/stream.js");
+
+describe("document", function () {
+  describe("Page", function () {
+    it("should create correct objId/fontId using the idFactory", function () {
+      const idFactory1 = (0, _test_utils.createIdFactory)(0);
+      const idFactory2 = (0, _test_utils.createIdFactory)(1);
+      expect(idFactory1.createObjId()).toEqual("p0_1");
+      expect(idFactory1.createObjId()).toEqual("p0_2");
+      expect(idFactory1.createFontId()).toEqual("f1");
+      expect(idFactory1.createFontId()).toEqual("f2");
+      expect(idFactory1.getDocId()).toEqual("g_d0");
+      expect(idFactory2.createObjId()).toEqual("p1_1");
+      expect(idFactory2.createObjId()).toEqual("p1_2");
+      expect(idFactory2.createFontId()).toEqual("f1");
+      expect(idFactory2.createFontId()).toEqual("f2");
+      expect(idFactory2.getDocId()).toEqual("g_d0");
+      expect(idFactory1.createObjId()).toEqual("p0_3");
+      expect(idFactory1.createObjId()).toEqual("p0_4");
+      expect(idFactory1.createFontId()).toEqual("f3");
+      expect(idFactory1.createFontId()).toEqual("f4");
+      expect(idFactory1.getDocId()).toEqual("g_d0");
+    });
+  });
+  describe("PDFDocument", function () {
+    const pdfManager = {
+      get docId() {
+        return "d0";
+      }
+
+    };
+    const stream = new _stream.StringStream("Dummy_PDF_data");
+
+    function getDocument(acroForm) {
+      const pdfDocument = new _document.PDFDocument(pdfManager, stream);
+      pdfDocument.catalog = {
+        acroForm
+      };
+      return pdfDocument;
+    }
+
+    it("should get form info when no form data is present", function () {
+      const pdfDocument = getDocument(null);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: false
+      });
+    });
+    it("should get form info when XFA is present", function () {
+      const acroForm = new _primitives.Dict();
+      acroForm.set("XFA", []);
+      let pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: false
+      });
+      acroForm.set("XFA", ["foo", "bar"]);
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: true
+      });
+      acroForm.set("XFA", new _stream.StringStream(""));
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: false
+      });
+      acroForm.set("XFA", new _stream.StringStream("non-empty"));
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: true
+      });
+    });
+    it("should get form info when AcroForm is present", function () {
+      const acroForm = new _primitives.Dict();
+      acroForm.set("Fields", []);
+      let pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: false
+      });
+      acroForm.set("Fields", ["foo", "bar"]);
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: true,
+        hasXfa: false
+      });
+      acroForm.set("Fields", ["foo", "bar"]);
+      acroForm.set("SigFlags", 2);
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: true,
+        hasXfa: false
+      });
+      const annotationDict = new _primitives.Dict();
+      annotationDict.set("FT", _primitives.Name.get("Sig"));
+      annotationDict.set("Rect", [0, 0, 0, 0]);
+
+      const annotationRef = _primitives.Ref.get(11, 0);
+
+      const kidsDict = new _primitives.Dict();
+      kidsDict.set("Kids", [annotationRef]);
+
+      const kidsRef = _primitives.Ref.get(10, 0);
+
+      pdfDocument.xref = new _test_utils.XRefMock([{
+        ref: annotationRef,
+        data: annotationDict
+      }, {
+        ref: kidsRef,
+        data: kidsDict
+      }]);
+      acroForm.set("Fields", [kidsRef]);
+      acroForm.set("SigFlags", 3);
+      pdfDocument = getDocument(acroForm);
+      expect(pdfDocument.formInfo).toEqual({
+        hasAcroForm: false,
+        hasXfa: false
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/encodings_spec.js b/node_modules/pdfjs-dist/lib/test/unit/encodings_spec.js
new file mode 100644
index 00000000..a9da14f3
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/encodings_spec.js
@@ -0,0 +1,45 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _encodings = require("../../core/encodings.js");
+
+describe("encodings", function () {
+  describe("getEncoding", function () {
+    it("fetches a valid array for known encoding names", function () {
+      const knownEncodingNames = ["ExpertEncoding", "MacExpertEncoding", "MacRomanEncoding", "StandardEncoding", "SymbolSetEncoding", "WinAnsiEncoding", "ZapfDingbatsEncoding"];
+
+      for (const knownEncodingName of knownEncodingNames) {
+        const encoding = (0, _encodings.getEncoding)(knownEncodingName);
+        expect(Array.isArray(encoding)).toEqual(true);
+        expect(encoding.length).toEqual(256);
+
+        for (const item of encoding) {
+          expect(typeof item).toEqual("string");
+        }
+      }
+    });
+    it("fetches `null` for unknown encoding names", function () {
+      expect((0, _encodings.getEncoding)("FooBarEncoding")).toEqual(null);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/evaluator_spec.js b/node_modules/pdfjs-dist/lib/test/unit/evaluator_spec.js
new file mode 100644
index 00000000..ebd6f787
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/evaluator_spec.js
@@ -0,0 +1,341 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _util = require("../../shared/util.js");
+
+var _stream = require("../../core/stream.js");
+
+var _operator_list = require("../../core/operator_list.js");
+
+var _evaluator = require("../../core/evaluator.js");
+
+var _worker = require("../../core/worker.js");
+
+describe("evaluator", function () {
+  function HandlerMock() {
+    this.inputs = [];
+  }
+
+  HandlerMock.prototype = {
+    send(name, data) {
+      this.inputs.push({
+        name,
+        data
+      });
+    }
+
+  };
+
+  function ResourcesMock() {}
+
+  ResourcesMock.prototype = {
+    get(name) {
+      return this[name];
+    }
+
+  };
+
+  function runOperatorListCheck(evaluator, stream, resources, callback) {
+    var result = new _operator_list.OperatorList();
+    var task = new _worker.WorkerTask("OperatorListCheck");
+    evaluator.getOperatorList({
+      stream,
+      task,
+      resources,
+      operatorList: result
+    }).then(function () {
+      callback(result);
+    }, function (reason) {
+      callback(reason);
+    });
+  }
+
+  var partialEvaluator;
+  beforeAll(function (done) {
+    partialEvaluator = new _evaluator.PartialEvaluator({
+      xref: new _test_utils.XRefMock(),
+      handler: new HandlerMock(),
+      pageIndex: 0,
+      idFactory: (0, _test_utils.createIdFactory)(0)
+    });
+    done();
+  });
+  afterAll(function () {
+    partialEvaluator = null;
+  });
+  describe("splitCombinedOperations", function () {
+    it("should reject unknown operations", function (done) {
+      var stream = new _stream.StringStream("fTT");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(1);
+        expect(result.fnArray[0]).toEqual(_util.OPS.fill);
+        expect(result.argsArray[0]).toEqual(null);
+        done();
+      });
+    });
+    it("should handle one operation", function (done) {
+      var stream = new _stream.StringStream("Q");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(1);
+        expect(result.fnArray[0]).toEqual(_util.OPS.restore);
+        done();
+      });
+    });
+    it("should handle two glued operations", function (done) {
+      const imgDict = new _primitives.Dict();
+      imgDict.set("Subtype", _primitives.Name.get("Image"));
+      imgDict.set("Width", 1);
+      imgDict.set("Height", 1);
+      const imgStream = new _stream.Stream([0]);
+      imgStream.dict = imgDict;
+      const xObject = new _primitives.Dict();
+      xObject.set("Res1", imgStream);
+      const resources = new ResourcesMock();
+      resources.XObject = xObject;
+      var stream = new _stream.StringStream("/Res1 DoQ");
+      runOperatorListCheck(partialEvaluator, stream, resources, function (result) {
+        expect(result.fnArray.length).toEqual(3);
+        expect(result.fnArray[0]).toEqual(_util.OPS.dependency);
+        expect(result.fnArray[1]).toEqual(_util.OPS.paintImageXObject);
+        expect(result.fnArray[2]).toEqual(_util.OPS.restore);
+        expect(result.argsArray.length).toEqual(3);
+        expect(result.argsArray[0]).toEqual(["img_p0_1"]);
+        expect(result.argsArray[1]).toEqual(["img_p0_1", 1, 1]);
+        expect(result.argsArray[2]).toEqual(null);
+        done();
+      });
+    });
+    it("should handle three glued operations", function (done) {
+      var stream = new _stream.StringStream("fff");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(3);
+        expect(result.fnArray[0]).toEqual(_util.OPS.fill);
+        expect(result.fnArray[1]).toEqual(_util.OPS.fill);
+        expect(result.fnArray[2]).toEqual(_util.OPS.fill);
+        done();
+      });
+    });
+    it("should handle three glued operations #2", function (done) {
+      var resources = new ResourcesMock();
+      resources.Res1 = {};
+      var stream = new _stream.StringStream("B*Bf*");
+      runOperatorListCheck(partialEvaluator, stream, resources, function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(3);
+        expect(result.fnArray[0]).toEqual(_util.OPS.eoFillStroke);
+        expect(result.fnArray[1]).toEqual(_util.OPS.fillStroke);
+        expect(result.fnArray[2]).toEqual(_util.OPS.eoFill);
+        done();
+      });
+    });
+    it("should handle glued operations and operands", function (done) {
+      var stream = new _stream.StringStream("f5 Ts");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(2);
+        expect(result.fnArray[0]).toEqual(_util.OPS.fill);
+        expect(result.fnArray[1]).toEqual(_util.OPS.setTextRise);
+        expect(result.argsArray.length).toEqual(2);
+        expect(result.argsArray[1].length).toEqual(1);
+        expect(result.argsArray[1][0]).toEqual(5);
+        done();
+      });
+    });
+    it("should handle glued operations and literals", function (done) {
+      var stream = new _stream.StringStream("trueifalserinulln");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(3);
+        expect(result.fnArray[0]).toEqual(_util.OPS.setFlatness);
+        expect(result.fnArray[1]).toEqual(_util.OPS.setRenderingIntent);
+        expect(result.fnArray[2]).toEqual(_util.OPS.endPath);
+        expect(result.argsArray.length).toEqual(3);
+        expect(result.argsArray[0].length).toEqual(1);
+        expect(result.argsArray[0][0]).toEqual(true);
+        expect(result.argsArray[1].length).toEqual(1);
+        expect(result.argsArray[1][0]).toEqual(false);
+        expect(result.argsArray[2]).toEqual(null);
+        done();
+      });
+    });
+  });
+  describe("validateNumberOfArgs", function () {
+    it("should execute if correct number of arguments", function (done) {
+      var stream = new _stream.StringStream("5 1 d0");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(result.argsArray[0][0]).toEqual(5);
+        expect(result.argsArray[0][1]).toEqual(1);
+        expect(result.fnArray[0]).toEqual(_util.OPS.setCharWidth);
+        done();
+      });
+    });
+    it("should execute if too many arguments", function (done) {
+      var stream = new _stream.StringStream("5 1 4 d0");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(result.argsArray[0][0]).toEqual(1);
+        expect(result.argsArray[0][1]).toEqual(4);
+        expect(result.fnArray[0]).toEqual(_util.OPS.setCharWidth);
+        done();
+      });
+    });
+    it("should execute if nested commands", function (done) {
+      const gState = new _primitives.Dict();
+      gState.set("LW", 2);
+      gState.set("CA", 0.5);
+      const extGState = new _primitives.Dict();
+      extGState.set("GS2", gState);
+      const resources = new ResourcesMock();
+      resources.ExtGState = extGState;
+      var stream = new _stream.StringStream("/F2 /GS2 gs 5.711 Tf");
+      runOperatorListCheck(partialEvaluator, stream, resources, function (result) {
+        expect(result.fnArray.length).toEqual(3);
+        expect(result.fnArray[0]).toEqual(_util.OPS.setGState);
+        expect(result.fnArray[1]).toEqual(_util.OPS.dependency);
+        expect(result.fnArray[2]).toEqual(_util.OPS.setFont);
+        expect(result.argsArray.length).toEqual(3);
+        expect(result.argsArray[0]).toEqual([[["LW", 2], ["CA", 0.5]]]);
+        expect(result.argsArray[1]).toEqual(["g_font_error"]);
+        expect(result.argsArray[2]).toEqual(["g_font_error", 5.711]);
+        done();
+      });
+    });
+    it("should skip if too few arguments", function (done) {
+      var stream = new _stream.StringStream("5 d0");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(result.argsArray).toEqual([]);
+        expect(result.fnArray).toEqual([]);
+        done();
+      });
+    });
+    it("should error if (many) path operators have too few arguments " + "(bug 1443140)", function (done) {
+      const NUM_INVALID_OPS = 25;
+      const tempArr = new Array(NUM_INVALID_OPS + 1);
+      const invalidMoveText = tempArr.join("10 Td\n");
+      const moveTextStream = new _stream.StringStream(invalidMoveText);
+      runOperatorListCheck(partialEvaluator, moveTextStream, new ResourcesMock(), function (result) {
+        expect(result.argsArray).toEqual([]);
+        expect(result.fnArray).toEqual([]);
+        done();
+      });
+      const invalidLineTo = tempArr.join("20 l\n");
+      const lineToStream = new _stream.StringStream(invalidLineTo);
+      runOperatorListCheck(partialEvaluator, lineToStream, new ResourcesMock(), function (error) {
+        expect(error instanceof _util.FormatError).toEqual(true);
+        expect(error.message).toEqual("Invalid command l: expected 2 args, but received 1 args.");
+        done();
+      });
+    });
+    it("should close opened saves", function (done) {
+      var stream = new _stream.StringStream("qq");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(4);
+        expect(result.fnArray[0]).toEqual(_util.OPS.save);
+        expect(result.fnArray[1]).toEqual(_util.OPS.save);
+        expect(result.fnArray[2]).toEqual(_util.OPS.restore);
+        expect(result.fnArray[3]).toEqual(_util.OPS.restore);
+        done();
+      });
+    });
+    it("should error on paintXObject if name is missing", function (done) {
+      var stream = new _stream.StringStream("/ Do");
+      runOperatorListCheck(partialEvaluator, stream, new ResourcesMock(), function (result) {
+        expect(result instanceof _util.FormatError).toEqual(true);
+        expect(result.message).toEqual("XObject must be referred to by name.");
+        done();
+      });
+    });
+    it("should skip paintXObject if subtype is PS", function (done) {
+      var xobjStreamDict = new _primitives.Dict();
+      xobjStreamDict.set("Subtype", _primitives.Name.get("PS"));
+      var xobjStream = new _stream.Stream([], 0, 0, xobjStreamDict);
+      var xobjs = new _primitives.Dict();
+      xobjs.set("Res1", xobjStream);
+      var resources = new _primitives.Dict();
+      resources.set("XObject", xobjs);
+      var stream = new _stream.StringStream("/Res1 Do");
+      runOperatorListCheck(partialEvaluator, stream, resources, function (result) {
+        expect(result.argsArray).toEqual([]);
+        expect(result.fnArray).toEqual([]);
+        done();
+      });
+    });
+  });
+  describe("thread control", function () {
+    it("should abort operator list parsing", function (done) {
+      var stream = new _stream.StringStream("qqQQ");
+      var resources = new ResourcesMock();
+      var result = new _operator_list.OperatorList();
+      var task = new _worker.WorkerTask("OperatorListAbort");
+      task.terminate();
+      partialEvaluator.getOperatorList({
+        stream,
+        task,
+        resources,
+        operatorList: result
+      }).catch(function () {
+        expect(!!result.fnArray && !!result.argsArray).toEqual(true);
+        expect(result.fnArray.length).toEqual(0);
+        done();
+      });
+    });
+    it("should abort text parsing parsing", function (done) {
+      var resources = new ResourcesMock();
+      var stream = new _stream.StringStream("qqQQ");
+      var task = new _worker.WorkerTask("TextContentAbort");
+      task.terminate();
+      partialEvaluator.getTextContent({
+        stream,
+        task,
+        resources
+      }).catch(function () {
+        expect(true).toEqual(true);
+        done();
+      });
+    });
+  });
+  describe("operator list", function () {
+    class StreamSinkMock {
+      enqueue() {}
+
+    }
+
+    it("should get correct total length after flushing", function () {
+      var operatorList = new _operator_list.OperatorList(null, new StreamSinkMock());
+      operatorList.addOp(_util.OPS.save, null);
+      operatorList.addOp(_util.OPS.restore, null);
+      expect(operatorList.totalLength).toEqual(2);
+      expect(operatorList.length).toEqual(2);
+      operatorList.flush();
+      expect(operatorList.totalLength).toEqual(2);
+      expect(operatorList.length).toEqual(0);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/fetch_stream_spec.js b/node_modules/pdfjs-dist/lib/test/unit/fetch_stream_spec.js
new file mode 100644
index 00000000..62def4f7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/fetch_stream_spec.js
@@ -0,0 +1,111 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+var _fetch_stream = require("../../display/fetch_stream.js");
+
+describe("fetch_stream", function () {
+  const pdfUrl = new URL("../pdfs/tracemonkey.pdf", window.location).href;
+  const pdfLength = 1016315;
+  it("read with streaming", function (done) {
+    const stream = new _fetch_stream.PDFFetchStream({
+      url: pdfUrl,
+      disableStream: false,
+      disableRange: true
+    });
+    const fullReader = stream.getFullReader();
+    let isStreamingSupported, isRangeSupported;
+    const promise = fullReader.headersReady.then(function () {
+      isStreamingSupported = fullReader.isStreamingSupported;
+      isRangeSupported = fullReader.isRangeSupported;
+    });
+    let len = 0;
+
+    const read = function () {
+      return fullReader.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        len += result.value.byteLength;
+        return read();
+      });
+    };
+
+    const readPromise = Promise.all([read(), promise]);
+    readPromise.then(function () {
+      expect(len).toEqual(pdfLength);
+      expect(isStreamingSupported).toEqual(true);
+      expect(isRangeSupported).toEqual(false);
+      done();
+    }).catch(done.fail);
+  });
+  it("read ranges with streaming", function (done) {
+    const rangeSize = 32768;
+    const stream = new _fetch_stream.PDFFetchStream({
+      url: pdfUrl,
+      rangeChunkSize: rangeSize,
+      disableStream: false,
+      disableRange: false
+    });
+    const fullReader = stream.getFullReader();
+    let isStreamingSupported, isRangeSupported, fullReaderCancelled;
+    const promise = fullReader.headersReady.then(function () {
+      isStreamingSupported = fullReader.isStreamingSupported;
+      isRangeSupported = fullReader.isRangeSupported;
+      fullReader.cancel(new _util.AbortException("Don't need fullReader."));
+      fullReaderCancelled = true;
+    });
+    const tailSize = pdfLength % rangeSize || rangeSize;
+    const rangeReader1 = stream.getRangeReader(pdfLength - tailSize - rangeSize, pdfLength - tailSize);
+    const rangeReader2 = stream.getRangeReader(pdfLength - tailSize, pdfLength);
+    const result1 = {
+      value: 0
+    },
+          result2 = {
+      value: 0
+    };
+
+    const read = function (reader, lenResult) {
+      return reader.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        lenResult.value += result.value.byteLength;
+        return read(reader, lenResult);
+      });
+    };
+
+    const readPromise = Promise.all([read(rangeReader1, result1), read(rangeReader2, result2), promise]);
+    readPromise.then(function () {
+      expect(isStreamingSupported).toEqual(true);
+      expect(isRangeSupported).toEqual(true);
+      expect(fullReaderCancelled).toEqual(true);
+      expect(result1.value).toEqual(rangeSize);
+      expect(result2.value).toEqual(tailSize);
+      done();
+    }).catch(done.fail);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/function_spec.js b/node_modules/pdfjs-dist/lib/test/unit/function_spec.js
new file mode 100644
index 00000000..8662f234
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/function_spec.js
@@ -0,0 +1,645 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _function = require("../../core/function.js");
+
+var _ps_parser = require("../../core/ps_parser.js");
+
+var _stream = require("../../core/stream.js");
+
+describe("function", function () {
+  beforeEach(function () {
+    jasmine.addMatchers({
+      toMatchArray(util, customEqualityTesters) {
+        return {
+          compare(actual, expected) {
+            var result = {};
+
+            if (actual.length !== expected.length) {
+              result.pass = false;
+              result.message = "Array length: " + actual.length + ", expected: " + expected.length;
+              return result;
+            }
+
+            result.pass = true;
+
+            for (var i = 0; i < expected.length; i++) {
+              var a = actual[i],
+                  b = expected[i];
+
+              if (Array.isArray(b)) {
+                if (a.length !== b.length) {
+                  result.pass = false;
+                  break;
+                }
+
+                for (var j = 0; j < a.length; j++) {
+                  var suba = a[j],
+                      subb = b[j];
+
+                  if (suba !== subb) {
+                    result.pass = false;
+                    break;
+                  }
+                }
+              } else {
+                if (a !== b) {
+                  result.pass = false;
+                  break;
+                }
+              }
+            }
+
+            return result;
+          }
+
+        };
+      }
+
+    });
+  });
+  describe("PostScriptParser", function () {
+    function parse(program) {
+      var stream = new _stream.StringStream(program);
+      var parser = new _ps_parser.PostScriptParser(new _ps_parser.PostScriptLexer(stream));
+      return parser.parse();
+    }
+
+    it("parses empty programs", function () {
+      var output = parse("{}");
+      expect(output.length).toEqual(0);
+    });
+    it("parses positive numbers", function () {
+      var number = 999;
+      var program = parse("{ " + number + " }");
+      var expectedProgram = [number];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("parses negative numbers", function () {
+      var number = -999;
+      var program = parse("{ " + number + " }");
+      var expectedProgram = [number];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("parses negative floats", function () {
+      var number = 3.3;
+      var program = parse("{ " + number + " }");
+      var expectedProgram = [number];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("parses operators", function () {
+      var program = parse("{ sub }");
+      var expectedProgram = ["sub"];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("parses if statements", function () {
+      var program = parse("{ { 99 } if }");
+      var expectedProgram = [3, "jz", 99];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("parses ifelse statements", function () {
+      var program = parse("{ { 99 } { 44 } ifelse }");
+      var expectedProgram = [5, "jz", 99, 6, "j", 44];
+      expect(program).toMatchArray(expectedProgram);
+    });
+    it("handles missing brackets", function () {
+      expect(function () {
+        parse("{");
+      }).toThrow(new Error("Unexpected symbol: found undefined expected 1."));
+    });
+    it("handles junk after the end", function () {
+      var number = 3.3;
+      var program = parse("{ " + number + " }#");
+      var expectedProgram = [number];
+      expect(program).toMatchArray(expectedProgram);
+    });
+  });
+  describe("PostScriptEvaluator", function () {
+    function evaluate(program) {
+      var stream = new _stream.StringStream(program);
+      var parser = new _ps_parser.PostScriptParser(new _ps_parser.PostScriptLexer(stream));
+      var code = parser.parse();
+      var evaluator = new _function.PostScriptEvaluator(code);
+      var output = evaluator.execute();
+      return output;
+    }
+
+    it("pushes stack", function () {
+      var stack = evaluate("{ 99 }");
+      var expectedStack = [99];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles if with true", function () {
+      var stack = evaluate("{ 1 {99} if }");
+      var expectedStack = [99];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles if with false", function () {
+      var stack = evaluate("{ 0 {99} if }");
+      var expectedStack = [];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles ifelse with true", function () {
+      var stack = evaluate("{ 1 {99} {77} ifelse }");
+      var expectedStack = [99];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles ifelse with false", function () {
+      var stack = evaluate("{ 0 {99} {77} ifelse }");
+      var expectedStack = [77];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles nested if", function () {
+      var stack = evaluate("{ 1 {1 {77} if} if }");
+      var expectedStack = [77];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("abs", function () {
+      var stack = evaluate("{ -2 abs }");
+      var expectedStack = [2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("adds", function () {
+      var stack = evaluate("{ 1 2 add }");
+      var expectedStack = [3];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("boolean and", function () {
+      var stack = evaluate("{ true false and }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("bitwise and", function () {
+      var stack = evaluate("{ 254 1 and }");
+      var expectedStack = [254 & 1];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the inverse tangent of a number", function () {
+      var stack = evaluate("{ 90 atan }");
+      var expectedStack = [Math.atan(90)];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles bitshifting ", function () {
+      var stack = evaluate("{ 50 2 bitshift }");
+      var expectedStack = [200];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the ceiling value", function () {
+      var stack = evaluate("{ 9.9 ceiling }");
+      var expectedStack = [10];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("copies", function () {
+      var stack = evaluate("{ 99 98 2 copy }");
+      var expectedStack = [99, 98, 99, 98];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the cosine of a number", function () {
+      var stack = evaluate("{ 90 cos }");
+      var expectedStack = [Math.cos(90)];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("converts to int", function () {
+      var stack = evaluate("{ 9.9 cvi }");
+      var expectedStack = [9];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("converts negatives to int", function () {
+      var stack = evaluate("{ -9.9 cvi }");
+      var expectedStack = [-9];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("converts to real", function () {
+      var stack = evaluate("{ 55.34 cvr }");
+      var expectedStack = [55.34];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("divides", function () {
+      var stack = evaluate("{ 6 5 div }");
+      var expectedStack = [1.2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("maps division by zero to infinity", function () {
+      var stack = evaluate("{ 6 0 div }");
+      var expectedStack = [Infinity];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("duplicates", function () {
+      var stack = evaluate("{ 99 dup }");
+      var expectedStack = [99, 99];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("accepts an equality", function () {
+      var stack = evaluate("{ 9 9 eq }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects an inequality", function () {
+      var stack = evaluate("{ 9 8 eq }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("exchanges", function () {
+      var stack = evaluate("{ 44 99 exch }");
+      var expectedStack = [99, 44];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles exponentiation", function () {
+      var stack = evaluate("{ 10 2 exp }");
+      var expectedStack = [100];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("pushes false onto the stack", function () {
+      var stack = evaluate("{ false }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the floor value", function () {
+      var stack = evaluate("{ 9.9 floor }");
+      var expectedStack = [9];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles greater than or equal to", function () {
+      var stack = evaluate("{ 10 9 ge }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects less than for greater than or equal to", function () {
+      var stack = evaluate("{ 8 9 ge }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles greater than", function () {
+      var stack = evaluate("{ 10 9 gt }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects less than or equal for greater than", function () {
+      var stack = evaluate("{ 9 9 gt }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("divides to integer", function () {
+      var stack = evaluate("{ 2 3 idiv }");
+      var expectedStack = [0];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("divides to negative integer", function () {
+      var stack = evaluate("{ -2 3 idiv }");
+      var expectedStack = [0];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("duplicates index", function () {
+      var stack = evaluate("{ 4 3 2 1 2 index }");
+      var expectedStack = [4, 3, 2, 1, 3];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles less than or equal to", function () {
+      var stack = evaluate("{ 9 10 le }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects greater than for less than or equal to", function () {
+      var stack = evaluate("{ 10 9 le }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the natural logarithm", function () {
+      var stack = evaluate("{ 10 ln }");
+      var expectedStack = [Math.log(10)];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the base 10 logarithm", function () {
+      var stack = evaluate("{ 100 log }");
+      var expectedStack = [2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("handles less than", function () {
+      var stack = evaluate("{ 9 10 lt }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects greater than or equal to for less than", function () {
+      var stack = evaluate("{ 10 9 lt }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("performs the modulo operation", function () {
+      var stack = evaluate("{ 4 3 mod }");
+      var expectedStack = [1];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("multiplies two numbers (positive result)", function () {
+      var stack = evaluate("{ 9 8 mul }");
+      var expectedStack = [72];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("multiplies two numbers (negative result)", function () {
+      var stack = evaluate("{ 9 -8 mul }");
+      var expectedStack = [-72];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("accepts an inequality", function () {
+      var stack = evaluate("{ 9 8 ne }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rejects an equality", function () {
+      var stack = evaluate("{ 9 9 ne }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("negates", function () {
+      var stack = evaluate("{ 4.5 neg }");
+      var expectedStack = [-4.5];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("boolean not", function () {
+      var stack = evaluate("{ true not }");
+      var expectedStack = [false];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("bitwise not", function () {
+      var stack = evaluate("{ 12 not }");
+      var expectedStack = [-13];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("boolean or", function () {
+      var stack = evaluate("{ true false or }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("bitwise or", function () {
+      var stack = evaluate("{ 254 1 or }");
+      var expectedStack = [254 | 1];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("pops stack", function () {
+      var stack = evaluate("{ 1 2 pop }");
+      var expectedStack = [1];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rolls stack right", function () {
+      var stack = evaluate("{ 1 3 2 2 4 1 roll }");
+      var expectedStack = [2, 1, 3, 2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rolls stack left", function () {
+      var stack = evaluate("{ 1 3 2 2 4 -1 roll }");
+      var expectedStack = [3, 2, 2, 1];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("rounds a number", function () {
+      var stack = evaluate("{ 9.52 round }");
+      var expectedStack = [10];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates the sine of a number", function () {
+      var stack = evaluate("{ 90 sin }");
+      var expectedStack = [Math.sin(90)];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates a square root (integer)", function () {
+      var stack = evaluate("{ 100 sqrt }");
+      var expectedStack = [10];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates a square root (float)", function () {
+      var stack = evaluate("{ 99 sqrt }");
+      var expectedStack = [Math.sqrt(99)];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("subtracts (positive result)", function () {
+      var stack = evaluate("{ 6 4 sub }");
+      var expectedStack = [2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("subtracts (negative result)", function () {
+      var stack = evaluate("{ 4 6 sub }");
+      var expectedStack = [-2];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("pushes true onto the stack", function () {
+      var stack = evaluate("{ true }");
+      var expectedStack = [true];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("truncates a number", function () {
+      var stack = evaluate("{ 35.004 truncate }");
+      var expectedStack = [35];
+      expect(stack).toMatchArray(expectedStack);
+    });
+    it("calculates an exclusive or value", function () {
+      var stack = evaluate("{ 3 9 xor }");
+      var expectedStack = [10];
+      expect(stack).toMatchArray(expectedStack);
+    });
+  });
+  describe("PostScriptCompiler", function () {
+    function check(code, domain, range, samples) {
+      var compiler = new _function.PostScriptCompiler();
+      var compiledCode = compiler.compile(code, domain, range);
+
+      if (samples === null) {
+        expect(compiledCode).toBeNull();
+      } else {
+        expect(compiledCode).not.toBeNull();
+        var fn = new Function("src", "srcOffset", "dest", "destOffset", compiledCode);
+
+        for (var i = 0; i < samples.length; i++) {
+          var out = new Float32Array(samples[i].output.length);
+          fn(samples[i].input, 0, out, 0);
+          expect(Array.prototype.slice.call(out, 0)).toMatchArray(samples[i].output);
+        }
+      }
+    }
+
+    it("check compiled add", function () {
+      check([0.25, 0.5, "add"], [], [0, 1], [{
+        input: [],
+        output: [0.75]
+      }]);
+      check([0, "add"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.25]
+      }]);
+      check([0.5, "add"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.75]
+      }]);
+      check([0, "exch", "add"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.25]
+      }]);
+      check([0.5, "exch", "add"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.75]
+      }]);
+      check(["add"], [0, 1, 0, 1], [0, 1], [{
+        input: [0.25, 0.5],
+        output: [0.75]
+      }]);
+      check(["add"], [0, 1], [0, 1], null);
+    });
+    it("check compiled sub", function () {
+      check([0.5, 0.25, "sub"], [], [0, 1], [{
+        input: [],
+        output: [0.25]
+      }]);
+      check([0, "sub"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.25]
+      }]);
+      check([0.5, "sub"], [0, 1], [0, 1], [{
+        input: [0.75],
+        output: [0.25]
+      }]);
+      check([0, "exch", "sub"], [0, 1], [-1, 1], [{
+        input: [0.25],
+        output: [-0.25]
+      }]);
+      check([0.75, "exch", "sub"], [0, 1], [-1, 1], [{
+        input: [0.25],
+        output: [0.5]
+      }]);
+      check(["sub"], [0, 1, 0, 1], [-1, 1], [{
+        input: [0.25, 0.5],
+        output: [-0.25]
+      }]);
+      check(["sub"], [0, 1], [0, 1], null);
+      check([1, "dup", 3, 2, "roll", "sub", "sub"], [0, 1], [0, 1], [{
+        input: [0.75],
+        output: [0.75]
+      }]);
+    });
+    it("check compiled mul", function () {
+      check([0.25, 0.5, "mul"], [], [0, 1], [{
+        input: [],
+        output: [0.125]
+      }]);
+      check([0, "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0]
+      }]);
+      check([0.5, "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.125]
+      }]);
+      check([1, "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.25]
+      }]);
+      check([0, "exch", "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0]
+      }]);
+      check([0.5, "exch", "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.125]
+      }]);
+      check([1, "exch", "mul"], [0, 1], [0, 1], [{
+        input: [0.25],
+        output: [0.25]
+      }]);
+      check(["mul"], [0, 1, 0, 1], [0, 1], [{
+        input: [0.25, 0.5],
+        output: [0.125]
+      }]);
+      check(["mul"], [0, 1], [0, 1], null);
+    });
+    it("check compiled max", function () {
+      check(["dup", 0.75, "gt", 7, "jz", "pop", 0.75], [0, 1], [0, 1], [{
+        input: [0.5],
+        output: [0.5]
+      }]);
+      check(["dup", 0.75, "gt", 7, "jz", "pop", 0.75], [0, 1], [0, 1], [{
+        input: [1],
+        output: [0.75]
+      }]);
+      check(["dup", 0.75, "gt", 5, "jz", "pop", 0.75], [0, 1], [0, 1], null);
+    });
+    it("check pop/roll/index", function () {
+      check([1, "pop"], [0, 1], [0, 1], [{
+        input: [0.5],
+        output: [0.5]
+      }]);
+      check([1, 3, -1, "roll"], [0, 1, 0, 1], [0, 1, 0, 1, 0, 1], [{
+        input: [0.25, 0.5],
+        output: [0.5, 1, 0.25]
+      }]);
+      check([1, 3, 1, "roll"], [0, 1, 0, 1], [0, 1, 0, 1, 0, 1], [{
+        input: [0.25, 0.5],
+        output: [1, 0.25, 0.5]
+      }]);
+      check([1, 3, 1.5, "roll"], [0, 1, 0, 1], [0, 1, 0, 1, 0, 1], null);
+      check([1, 1, "index"], [0, 1], [0, 1, 0, 1, 0, 1], [{
+        input: [0.5],
+        output: [0.5, 1, 0.5]
+      }]);
+      check([1, 3, "index", "pop"], [0, 1], [0, 1], null);
+      check([1, 0.5, "index", "pop"], [0, 1], [0, 1], null);
+    });
+    it("check input boundaries", function () {
+      check([], [0, 0.5], [0, 1], [{
+        input: [1],
+        output: [0.5]
+      }]);
+      check([], [0.5, 1], [0, 1], [{
+        input: [0],
+        output: [0.5]
+      }]);
+      check(["dup"], [0.5, 0.75], [0, 1, 0, 1], [{
+        input: [0],
+        output: [0.5, 0.5]
+      }]);
+      check([], [100, 1001], [0, 10000], [{
+        input: [1000],
+        output: [1000]
+      }]);
+    });
+    it("check output boundaries", function () {
+      check([], [0, 1], [0, 0.5], [{
+        input: [1],
+        output: [0.5]
+      }]);
+      check([], [0, 1], [0.5, 1], [{
+        input: [0],
+        output: [0.5]
+      }]);
+      check(["dup"], [0, 1], [0.5, 1, 0.75, 1], [{
+        input: [0],
+        output: [0.5, 0.75]
+      }]);
+      check([], [0, 10000], [100, 1001], [{
+        input: [1000],
+        output: [1000]
+      }]);
+    });
+    it("compile optimized", function () {
+      var compiler = new _function.PostScriptCompiler();
+      var code = [0, "add", 1, 1, 3, -1, "roll", "sub", "sub", 1, "mul"];
+      var compiledCode = compiler.compile(code, [0, 1], [0, 1]);
+      expect(compiledCode).toEqual("dest[destOffset + 0] = Math.max(0, Math.min(1, src[srcOffset + 0]));");
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/jasmine-boot.js b/node_modules/pdfjs-dist/lib/test/unit/jasmine-boot.js
new file mode 100644
index 00000000..4c161ead
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/jasmine-boot.js
@@ -0,0 +1,155 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+function initializePDFJS(callback) {
+  Promise.all(["pdfjs/display/api.js", "pdfjs/display/worker_options.js", "pdfjs/display/network.js", "pdfjs/display/fetch_stream.js", "pdfjs/shared/is_node.js", "pdfjs-test/unit/annotation_spec.js", "pdfjs-test/unit/annotation_storage_spec.js", "pdfjs-test/unit/api_spec.js", "pdfjs-test/unit/bidi_spec.js", "pdfjs-test/unit/cff_parser_spec.js", "pdfjs-test/unit/cmap_spec.js", "pdfjs-test/unit/colorspace_spec.js", "pdfjs-test/unit/core_utils_spec.js", "pdfjs-test/unit/crypto_spec.js", "pdfjs-test/unit/custom_spec.js", "pdfjs-test/unit/display_svg_spec.js", "pdfjs-test/unit/display_utils_spec.js", "pdfjs-test/unit/document_spec.js", "pdfjs-test/unit/encodings_spec.js", "pdfjs-test/unit/evaluator_spec.js", "pdfjs-test/unit/function_spec.js", "pdfjs-test/unit/fetch_stream_spec.js", "pdfjs-test/unit/message_handler_spec.js", "pdfjs-test/unit/metadata_spec.js", "pdfjs-test/unit/murmurhash3_spec.js", "pdfjs-test/unit/network_spec.js", "pdfjs-test/unit/network_utils_spec.js", "pdfjs-test/unit/parser_spec.js", "pdfjs-test/unit/pdf_find_controller_spec.js", "pdfjs-test/unit/pdf_find_utils_spec.js", "pdfjs-test/unit/pdf_history_spec.js", "pdfjs-test/unit/primitives_spec.js", "pdfjs-test/unit/stream_spec.js", "pdfjs-test/unit/type1_parser_spec.js", "pdfjs-test/unit/ui_utils_spec.js", "pdfjs-test/unit/unicode_spec.js", "pdfjs-test/unit/util_spec.js", "pdfjs-test/unit/writer_spec.js"].map(function (moduleName) {
+    return SystemJS.import(moduleName);
+  })).then(function (modules) {
+    const displayApi = modules[0];
+    const {
+      GlobalWorkerOptions
+    } = modules[1];
+    const {
+      PDFNetworkStream
+    } = modules[2];
+    const {
+      PDFFetchStream
+    } = modules[3];
+    const {
+      isNodeJS
+    } = modules[4];
+
+    if (isNodeJS) {
+      throw new Error("The `gulp unittest` command cannot be used in Node.js environments.");
+    }
+
+    if (typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined") {
+      displayApi.setPDFNetworkStreamFactory(function (params) {
+        return new PDFFetchStream(params);
+      });
+    } else {
+      displayApi.setPDFNetworkStreamFactory(function (params) {
+        return new PDFNetworkStream(params);
+      });
+    }
+
+    GlobalWorkerOptions.workerSrc = "../../build/generic/build/pdf.worker.js";
+    callback();
+  });
+}
+
+(function () {
+  window.jasmine = jasmineRequire.core(jasmineRequire);
+  jasmineRequire.html(jasmine);
+  var env = jasmine.getEnv();
+  var jasmineInterface = jasmineRequire.interface(jasmine, env);
+  extend(window, jasmineInterface);
+  var queryString = new jasmine.QueryString({
+    getWindowLocation() {
+      return window.location;
+    }
+
+  });
+  var config = {
+    failFast: queryString.getParam("failFast"),
+    oneFailurePerSpec: queryString.getParam("oneFailurePerSpec"),
+    hideDisabled: queryString.getParam("hideDisabled")
+  };
+  var random = queryString.getParam("random");
+
+  if (random !== undefined && random !== "") {
+    config.random = random;
+  }
+
+  var seed = queryString.getParam("seed");
+
+  if (seed) {
+    config.seed = seed;
+  }
+
+  var htmlReporter = new jasmine.HtmlReporter({
+    env,
+
+    navigateWithNewParam(key, value) {
+      return queryString.navigateWithNewParam(key, value);
+    },
+
+    addToExistingQueryString(key, value) {
+      return queryString.fullStringWithNewParam(key, value);
+    },
+
+    getContainer() {
+      return document.body;
+    },
+
+    createElement() {
+      return document.createElement.apply(document, arguments);
+    },
+
+    createTextNode() {
+      return document.createTextNode.apply(document, arguments);
+    },
+
+    timer: new jasmine.Timer()
+  });
+  env.addReporter(htmlReporter);
+
+  if (queryString.getParam("browser")) {
+    var testReporter = new TestReporter(queryString.getParam("browser"));
+    env.addReporter(testReporter);
+  }
+
+  var specFilter = new jasmine.HtmlSpecFilter({
+    filterString() {
+      return queryString.getParam("spec");
+    }
+
+  });
+
+  config.specFilter = function (spec) {
+    return specFilter.matches(spec.getFullName());
+  };
+
+  env.configure(config);
+  jasmine.DEFAULT_TIMEOUT_INTERVAL = 30000;
+  var currentWindowOnload = window.onload;
+
+  window.onload = function () {
+    if (currentWindowOnload) {
+      currentWindowOnload();
+    }
+
+    initializePDFJS(function () {
+      htmlReporter.initialize();
+      env.execute();
+    });
+  };
+
+  function extend(destination, source) {
+    for (var property in source) {
+      destination[property] = source[property];
+    }
+
+    return destination;
+  }
+})();
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/message_handler_spec.js b/node_modules/pdfjs-dist/lib/test/unit/message_handler_spec.js
new file mode 100644
index 00000000..d9910c84
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/message_handler_spec.js
@@ -0,0 +1,365 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+var _api = require("../../display/api.js");
+
+var _message_handler = require("../../shared/message_handler.js");
+
+describe("message_handler", function () {
+  function sleep(ticks) {
+    return Promise.resolve().then(() => {
+      return ticks && sleep(ticks - 1);
+    });
+  }
+
+  describe("sendWithStream", function () {
+    it("should return a ReadableStream", function () {
+      const port = new _api.LoopbackPort();
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler");
+      expect(typeof readable).toEqual("object");
+      expect(typeof readable.getReader).toEqual("function");
+    });
+    it("should read using a reader", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        sink.ready.then(() => {
+          sink.enqueue("hi");
+          return sink.ready;
+        }).then(() => {
+          sink.close();
+        });
+        return sleep(5);
+      });
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 1,
+
+        size() {
+          return 1;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("");
+        return reader.read();
+      }).then(result => {
+        expect(log).toEqual("p");
+        expect(result.value).toEqual("hi");
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual(undefined);
+        expect(result.done).toEqual(true);
+        done();
+      });
+    });
+    it("should not read any data when cancelled", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        log += "0";
+        sink.ready.then(() => {
+          log += "1";
+          sink.enqueue([1, 2, 3, 4], 4);
+          return sink.ready;
+        }).then(() => {
+          log += "2";
+          sink.enqueue([5, 6, 7, 8], 4);
+          return sink.ready;
+        }).then(() => {
+          log += "3";
+          sink.close();
+        }, () => {
+          log += "4";
+        });
+      });
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 4,
+
+        size(arr) {
+          return arr.length;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("01");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([1, 2, 3, 4]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("01p2");
+        return reader.cancel(new _util.AbortException("reader cancelled."));
+      }).then(() => {
+        expect(log).toEqual("01p2c4");
+        done();
+      });
+    });
+    it("should not read when errored", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        log += "0";
+        sink.ready.then(() => {
+          log += "1";
+          sink.enqueue([1, 2, 3, 4], 4);
+          return sink.ready;
+        }).then(() => {
+          log += "e";
+          sink.error(new Error("should not read when errored"));
+        });
+      });
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 4,
+
+        size(arr) {
+          return arr.length;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("01");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([1, 2, 3, 4]);
+        expect(result.done).toEqual(false);
+        return reader.read();
+      }).catch(reason => {
+        expect(log).toEqual("01pe");
+        expect(reason instanceof _util.UnknownErrorException).toEqual(true);
+        expect(reason.message).toEqual("should not read when errored");
+        done();
+      });
+    });
+    it("should read data with blocking promise", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        log += "0";
+        sink.ready.then(() => {
+          log += "1";
+          sink.enqueue([1, 2, 3, 4], 4);
+          return sink.ready;
+        }).then(() => {
+          log += "2";
+          sink.enqueue([5, 6, 7, 8], 4);
+          return sink.ready;
+        }).then(() => {
+          sink.close();
+        });
+      });
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 4,
+
+        size(arr) {
+          return arr.length;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("01");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([1, 2, 3, 4]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("01p2");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([5, 6, 7, 8]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("01p2p");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual(undefined);
+        expect(result.done).toEqual(true);
+        done();
+      });
+    });
+    it("should read data with blocking promise and buffer whole data" + " into stream", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        log += "0";
+        sink.ready.then(() => {
+          log += "1";
+          sink.enqueue([1, 2, 3, 4], 4);
+          return sink.ready;
+        }).then(() => {
+          log += "2";
+          sink.enqueue([5, 6, 7, 8], 4);
+          return sink.ready;
+        }).then(() => {
+          sink.close();
+        });
+        return sleep(10);
+      });
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 8,
+
+        size(arr) {
+          return arr.length;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("012");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([1, 2, 3, 4]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("012p");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual([5, 6, 7, 8]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("012p");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual(undefined);
+        expect(result.done).toEqual(true);
+        done();
+      });
+    });
+    it("should ignore any pull after close is called", function (done) {
+      let log = "";
+      const port = new _api.LoopbackPort();
+      const capability = (0, _util.createPromiseCapability)();
+      const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
+      messageHandler2.on("fakeHandler", (data, sink) => {
+        sink.onPull = function () {
+          log += "p";
+        };
+
+        sink.onCancel = function (reason) {
+          log += "c";
+        };
+
+        log += "0";
+        sink.ready.then(() => {
+          log += "1";
+          sink.enqueue([1, 2, 3, 4], 4);
+        });
+        return capability.promise.then(() => {
+          sink.close();
+        });
+      });
+      const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
+      const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
+        highWaterMark: 10,
+
+        size(arr) {
+          return arr.length;
+        }
+
+      });
+      const reader = readable.getReader();
+      sleep(10).then(() => {
+        expect(log).toEqual("01");
+        capability.resolve();
+        return capability.promise.then(() => {
+          return reader.read();
+        });
+      }).then(result => {
+        expect(result.value).toEqual([1, 2, 3, 4]);
+        expect(result.done).toEqual(false);
+        return sleep(10);
+      }).then(() => {
+        expect(log).toEqual("01");
+        return reader.read();
+      }).then(result => {
+        expect(result.value).toEqual(undefined);
+        expect(result.done).toEqual(true);
+        done();
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/metadata_spec.js b/node_modules/pdfjs-dist/lib/test/unit/metadata_spec.js
new file mode 100644
index 00000000..d236d4a7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/metadata_spec.js
@@ -0,0 +1,118 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _metadata = require("../../display/metadata.js");
+
+describe("metadata", function () {
+  it("should handle valid metadata", function () {
+    const data = "<x:xmpmeta xmlns:x='adobe:ns:meta/'>" + "<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>" + "<rdf:Description xmlns:dc='http://purl.org/dc/elements/1.1/'>" + '<dc:title><rdf:Alt><rdf:li xml:lang="x-default">Foo bar baz</rdf:li>' + "</rdf:Alt></dc:title></rdf:Description></rdf:RDF></x:xmpmeta>";
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("Foo bar baz");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:title": "Foo bar baz"
+    });
+  });
+  it("should repair and handle invalid metadata", function () {
+    const data = "<x:xmpmeta xmlns:x='adobe:ns:meta/'>" + "<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>" + "<rdf:Description xmlns:dc='http://purl.org/dc/elements/1.1/'>" + "<dc:title>\\376\\377\\000P\\000D\\000F\\000&</dc:title>" + "</rdf:Description></rdf:RDF></x:xmpmeta>";
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("PDF&");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:title": "PDF&"
+    });
+  });
+  it("should repair and handle invalid metadata (bug 1424938)", function () {
+    const data = "<x:xmpmeta xmlns:x='adobe:ns:meta/' " + "x:xmptk='XMP toolkit 2.9.1-13, framework 1.6'>" + "<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' " + "xmlns:iX='http://ns.adobe.com/iX/1.0/'>" + "<rdf:Description rdf:about='61652fa7-fc1f-11dd-0000-ce81d41f9ecf' " + "xmlns:pdf='http://ns.adobe.com/pdf/1.3/' " + "pdf:Producer='GPL Ghostscript 8.63'/>" + "<rdf:Description rdf:about='61652fa7-fc1f-11dd-0000-ce81d41f9ecf' " + "xmlns:xap='http://ns.adobe.com/xap/1.0/' " + "xap:ModifyDate='2009-02-13T12:42:54+01:00' " + "xap:CreateDate='2009-02-13T12:42:54+01:00'>" + "<xap:CreatorTool>\\376\\377\\000P\\000D\\000F\\000C\\000r\\000e\\000a" + "\\000t\\000o\\000r\\000 \\000V\\000e\\000r\\000s\\000i\\000o\\000n" + "\\000 \\0000\\000.\\0009\\000.\\0006</xap:CreatorTool>" + "</rdf:Description><rdf:Description " + "rdf:about='61652fa7-fc1f-11dd-0000-ce81d41f9ecf' " + "xmlns:xapMM='http://ns.adobe.com/xap/1.0/mm/' " + "xapMM:DocumentID='61652fa7-fc1f-11dd-0000-ce81d41f9ecf'/>" + "<rdf:Description rdf:about='61652fa7-fc1f-11dd-0000-ce81d41f9ecf' " + "xmlns:dc='http://purl.org/dc/elements/1.1/' " + "dc:format='application/pdf'><dc:title><rdf:Alt>" + "<rdf:li xml:lang='x-default'>\\376\\377\\000L\\000&apos;\\000O\\000d" + "\\000i\\000s\\000s\\000e\\000e\\000 \\000t\\000h\\000\\351\\000m\\000a" + "\\000t\\000i\\000q\\000u\\000e\\000 \\000l\\000o\\000g\\000o\\000 " + "\\000O\\000d\\000i\\000s\\000s\\000\\351\\000\\351\\000 \\000-\\000 " + "\\000d\\000\\351\\000c\\000e\\000m\\000b\\000r\\000e\\000 \\0002\\0000" + "\\0000\\0008\\000.\\000p\\000u\\000b</rdf:li></rdf:Alt></dc:title>" + "<dc:creator><rdf:Seq><rdf:li>\\376\\377\\000O\\000D\\000I\\000S" + "</rdf:li></rdf:Seq></dc:creator></rdf:Description></rdf:RDF>" + "</x:xmpmeta>";
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("L'Odissee thématique logo Odisséé - décembre 2008.pub");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:creator": "ODIS",
+      "dc:title": "L'Odissee thématique logo Odisséé - décembre 2008.pub",
+      "xap:creatortool": "PDFCreator Version 0.9.6"
+    });
+  });
+  it("should gracefully handle incomplete tags (issue 8884)", function () {
+    const data = '<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d' + '<x:xmpmeta xmlns:x="adobe:ns:meta/">' + '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">' + '<rdf:Description rdf:about=""' + 'xmlns:pdfx="http://ns.adobe.com/pdfx/1.3/">' + "</rdf:Description>" + '<rdf:Description rdf:about=""' + 'xmlns:xap="http://ns.adobe.com/xap/1.0/">' + "<xap:ModifyDate>2010-03-25T11:20:09-04:00</xap:ModifyDate>" + "<xap:CreateDate>2010-03-25T11:20:09-04:00</xap:CreateDate>" + "<xap:MetadataDate>2010-03-25T11:20:09-04:00</xap:MetadataDate>" + "</rdf:Description>" + '<rdf:Description rdf:about=""' + 'xmlns:dc="http://purl.org/dc/elements/1.1/">' + "<dc:format>application/pdf</dc:format>" + "</rdf:Description>" + '<rdf:Description rdf:about=""' + 'xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/">' + "<pdfaid:part>1</pdfaid:part>" + "<pdfaid:conformance>A</pdfaid:conformance>" + "</rdf:Description>" + "</rdf:RDF>" + "</x:xmpmeta>" + '<?xpacket end="w"?>';
+    const metadata = new _metadata.Metadata(data);
+    expect((0, _test_utils.isEmptyObj)(metadata.getAll())).toEqual(true);
+  });
+  it('should gracefully handle "junk" before the actual metadata (issue 10395)', function () {
+    const data = '<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>' + '<x:xmpmeta x:xmptk="TallComponents PDFObjects 1.0" ' + 'xmlns:x="adobe:ns:meta/">' + '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">' + '<rdf:Description rdf:about="" ' + 'xmlns:pdf="http://ns.adobe.com/pdf/1.3/">' + "<pdf:Producer>PDFKit.NET 4.0.102.0</pdf:Producer>" + "<pdf:Keywords></pdf:Keywords>" + "<pdf:PDFVersion>1.7</pdf:PDFVersion></rdf:Description>" + '<rdf:Description rdf:about="" ' + 'xmlns:xap="http://ns.adobe.com/xap/1.0/">' + "<xap:CreateDate>2018-12-27T13:50:36-08:00</xap:CreateDate>" + "<xap:ModifyDate>2018-12-27T13:50:38-08:00</xap:ModifyDate>" + "<xap:CreatorTool></xap:CreatorTool>" + "<xap:MetadataDate>2018-12-27T13:50:38-08:00</xap:MetadataDate>" + '</rdf:Description><rdf:Description rdf:about="" ' + 'xmlns:dc="http://purl.org/dc/elements/1.1/">' + "<dc:creator><rdf:Seq><rdf:li></rdf:li></rdf:Seq></dc:creator>" + "<dc:subject><rdf:Bag /></dc:subject>" + '<dc:description><rdf:Alt><rdf:li xml:lang="x-default">' + "</rdf:li></rdf:Alt></dc:description>" + '<dc:title><rdf:Alt><rdf:li xml:lang="x-default"></rdf:li>' + "</rdf:Alt></dc:title><dc:format>application/pdf</dc:format>" + '</rdf:Description></rdf:RDF></x:xmpmeta><?xpacket end="w"?>';
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:creator": "",
+      "dc:description": "",
+      "dc:format": "application/pdf",
+      "dc:subject": "",
+      "dc:title": "",
+      "pdf:keywords": "",
+      "pdf:pdfversion": "1.7",
+      "pdf:producer": "PDFKit.NET 4.0.102.0",
+      "xap:createdate": "2018-12-27T13:50:36-08:00",
+      "xap:creatortool": "",
+      "xap:metadatadate": "2018-12-27T13:50:38-08:00",
+      "xap:modifydate": "2018-12-27T13:50:38-08:00"
+    });
+  });
+  it('should correctly handle metadata containing "&apos" (issue 10407)', function () {
+    const data = "<x:xmpmeta xmlns:x='adobe:ns:meta/'>" + "<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>" + "<rdf:Description xmlns:dc='http://purl.org/dc/elements/1.1/'>" + "<dc:title><rdf:Alt>" + '<rdf:li xml:lang="x-default">&apos;Foo bar baz&apos;</rdf:li>' + "</rdf:Alt></dc:title></rdf:Description></rdf:RDF></x:xmpmeta>";
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("'Foo bar baz'");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:title": "'Foo bar baz'"
+    });
+  });
+  it("should gracefully handle unbalanced end tags (issue 10410)", function () {
+    const data = '<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>' + '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">' + '<rdf:Description rdf:about="" ' + 'xmlns:pdf="http://ns.adobe.com/pdf/1.3/">' + "<pdf:Producer>Soda PDF 5</pdf:Producer></rdf:Description>" + '<rdf:Description rdf:about="" ' + 'xmlns:xap="http://ns.adobe.com/xap/1.0/">' + "<xap:CreateDate>2018-10-02T08:14:49-05:00</xap:CreateDate>" + "<xap:CreatorTool>Soda PDF 5</xap:CreatorTool>" + "<xap:MetadataDate>2018-10-02T08:14:49-05:00</xap:MetadataDate> " + "<xap:ModifyDate>2018-10-02T08:14:49-05:00</xap:ModifyDate>" + '</rdf:Description><rdf:Description rdf:about="" ' + 'xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/">' + "<xmpMM:DocumentID>uuid:00000000-1c84-3cf9-89ba-bef0e729c831" + "</xmpMM:DocumentID></rdf:Description>" + '</rdf:RDF></x:xmpmeta><?xpacket end="w"?>';
+    const metadata = new _metadata.Metadata(data);
+    expect((0, _test_utils.isEmptyObj)(metadata.getAll())).toEqual(true);
+  });
+  it("should not be vulnerable to the billion laughs attack", function () {
+    const data = '<?xml version="1.0"?>' + "<!DOCTYPE lolz [" + '  <!ENTITY lol "lol">' + '  <!ENTITY lol1 "&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;">' + '  <!ENTITY lol2 "&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;">' + '  <!ENTITY lol3 "&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;">' + '  <!ENTITY lol4 "&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;">' + '  <!ENTITY lol5 "&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;">' + '  <!ENTITY lol6 "&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;">' + '  <!ENTITY lol7 "&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;">' + '  <!ENTITY lol8 "&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;">' + '  <!ENTITY lol9 "&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;">' + "]>" + '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">' + '  <rdf:Description xmlns:dc="http://purl.org/dc/elements/1.1/">' + "    <dc:title>" + "      <rdf:Alt>" + '        <rdf:li xml:lang="x-default">a&lol9;b</rdf:li>' + "      </rdf:Alt>" + "    </dc:title>" + "  </rdf:Description>" + "</rdf:RDF>";
+    const metadata = new _metadata.Metadata(data);
+    expect(metadata.has("dc:title")).toBeTruthy();
+    expect(metadata.has("dc:qux")).toBeFalsy();
+    expect(metadata.get("dc:title")).toEqual("a&lol9;b");
+    expect(metadata.get("dc:qux")).toEqual(null);
+    expect(metadata.getAll()).toEqual({
+      "dc:title": "a&lol9;b"
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/murmurhash3_spec.js b/node_modules/pdfjs-dist/lib/test/unit/murmurhash3_spec.js
new file mode 100644
index 00000000..1013b056
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/murmurhash3_spec.js
@@ -0,0 +1,71 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _murmurhash = require("../../core/murmurhash3.js");
+
+describe("MurmurHash3_64", function () {
+  it("instantiates without seed", function () {
+    var hash = new _murmurhash.MurmurHash3_64();
+    expect(hash).toEqual(jasmine.any(_murmurhash.MurmurHash3_64));
+  });
+  it("instantiates with seed", function () {
+    var hash = new _murmurhash.MurmurHash3_64(1);
+    expect(hash).toEqual(jasmine.any(_murmurhash.MurmurHash3_64));
+  });
+  var hexDigestExpected = "f61cfdbfdae0f65e";
+  var sourceText = "test";
+  var sourceCharCodes = [116, 101, 115, 116];
+  it("correctly generates a hash from a string", function () {
+    var hash = new _murmurhash.MurmurHash3_64();
+    hash.update(sourceText);
+    expect(hash.hexdigest()).toEqual(hexDigestExpected);
+  });
+  it("correctly generates a hash from a Uint8Array", function () {
+    var hash = new _murmurhash.MurmurHash3_64();
+    hash.update(new Uint8Array(sourceCharCodes));
+    expect(hash.hexdigest()).toEqual(hexDigestExpected);
+  });
+  it("correctly generates a hash from a Uint32Array", function () {
+    var hash = new _murmurhash.MurmurHash3_64();
+    hash.update(new Uint32Array(new Uint8Array(sourceCharCodes).buffer));
+    expect(hash.hexdigest()).toEqual(hexDigestExpected);
+  });
+  it("changes the hash after update without seed", function () {
+    var hash = new _murmurhash.MurmurHash3_64();
+    var hexdigest1, hexdigest2;
+    hash.update(sourceText);
+    hexdigest1 = hash.hexdigest();
+    hash.update(sourceText);
+    hexdigest2 = hash.hexdigest();
+    expect(hexdigest1).not.toEqual(hexdigest2);
+  });
+  it("changes the hash after update with seed", function () {
+    var hash = new _murmurhash.MurmurHash3_64(1);
+    var hexdigest1, hexdigest2;
+    hash.update(sourceText);
+    hexdigest1 = hash.hexdigest();
+    hash.update(sourceText);
+    hexdigest2 = hash.hexdigest();
+    expect(hexdigest1).not.toEqual(hexdigest2);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/network_spec.js b/node_modules/pdfjs-dist/lib/test/unit/network_spec.js
new file mode 100644
index 00000000..a4237192
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/network_spec.js
@@ -0,0 +1,120 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+var _network = require("../../display/network.js");
+
+describe("network", function () {
+  var pdf1 = new URL("../pdfs/tracemonkey.pdf", window.location).href;
+  var pdf1Length = 1016315;
+  it("read without stream and range", function (done) {
+    var stream = new _network.PDFNetworkStream({
+      url: pdf1,
+      rangeChunkSize: 65536,
+      disableStream: true,
+      disableRange: true
+    });
+    var fullReader = stream.getFullReader();
+    var isStreamingSupported, isRangeSupported;
+    var promise = fullReader.headersReady.then(function () {
+      isStreamingSupported = fullReader.isStreamingSupported;
+      isRangeSupported = fullReader.isRangeSupported;
+    });
+    var len = 0,
+        count = 0;
+
+    var read = function () {
+      return fullReader.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        count++;
+        len += result.value.byteLength;
+        return read();
+      });
+    };
+
+    var readPromise = Promise.all([read(), promise]);
+    readPromise.then(function (page) {
+      expect(len).toEqual(pdf1Length);
+      expect(count).toEqual(1);
+      expect(isStreamingSupported).toEqual(false);
+      expect(isRangeSupported).toEqual(false);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+  it("read custom ranges", function (done) {
+    var rangeSize = 32768;
+    var stream = new _network.PDFNetworkStream({
+      url: pdf1,
+      length: pdf1Length,
+      rangeChunkSize: rangeSize,
+      disableStream: true,
+      disableRange: false
+    });
+    var fullReader = stream.getFullReader();
+    var isStreamingSupported, isRangeSupported, fullReaderCancelled;
+    var promise = fullReader.headersReady.then(function () {
+      isStreamingSupported = fullReader.isStreamingSupported;
+      isRangeSupported = fullReader.isRangeSupported;
+      fullReader.cancel(new _util.AbortException("Don't need fullReader."));
+      fullReaderCancelled = true;
+    });
+    var tailSize = pdf1Length % rangeSize || rangeSize;
+    var range1Reader = stream.getRangeReader(pdf1Length - tailSize - rangeSize, pdf1Length - tailSize);
+    var range2Reader = stream.getRangeReader(pdf1Length - tailSize, pdf1Length);
+    var result1 = {
+      value: 0
+    },
+        result2 = {
+      value: 0
+    };
+
+    var read = function (reader, lenResult) {
+      return reader.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        lenResult.value += result.value.byteLength;
+        return read(reader, lenResult);
+      });
+    };
+
+    var readPromises = Promise.all([read(range1Reader, result1), read(range2Reader, result2), promise]);
+    readPromises.then(function () {
+      expect(result1.value).toEqual(rangeSize);
+      expect(result2.value).toEqual(tailSize);
+      expect(isStreamingSupported).toEqual(false);
+      expect(isRangeSupported).toEqual(true);
+      expect(fullReaderCancelled).toEqual(true);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/network_utils_spec.js b/node_modules/pdfjs-dist/lib/test/unit/network_utils_spec.js
new file mode 100644
index 00000000..a74b10b1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/network_utils_spec.js
@@ -0,0 +1,349 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _network_utils = require("../../display/network_utils.js");
+
+var _util = require("../../shared/util.js");
+
+describe("network_utils", function () {
+  describe("validateRangeRequestCapabilities", function () {
+    it("rejects range chunk sizes that are not larger than zero", function () {
+      expect(function () {
+        (0, _network_utils.validateRangeRequestCapabilities)({
+          rangeChunkSize: 0
+        });
+      }).toThrow(new Error("Range chunk size must be larger than zero"));
+    });
+    it("rejects disabled or non-HTTP range requests", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: true,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Content-Length") {
+            return 8;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: 8
+      });
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: false,
+        getResponseHeader: headerName => {
+          if (headerName === "Content-Length") {
+            return 8;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: 8
+      });
+    });
+    it("rejects invalid Accept-Ranges header values", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Accept-Ranges") {
+            return "none";
+          } else if (headerName === "Content-Length") {
+            return 8;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: 8
+      });
+    });
+    it("rejects invalid Content-Encoding header values", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Accept-Ranges") {
+            return "bytes";
+          } else if (headerName === "Content-Encoding") {
+            return "gzip";
+          } else if (headerName === "Content-Length") {
+            return 8;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: 8
+      });
+    });
+    it("rejects invalid Content-Length header values", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Accept-Ranges") {
+            return "bytes";
+          } else if (headerName === "Content-Encoding") {
+            return null;
+          } else if (headerName === "Content-Length") {
+            return "eight";
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: undefined
+      });
+    });
+    it("rejects file sizes that are too small for range requests", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Accept-Ranges") {
+            return "bytes";
+          } else if (headerName === "Content-Encoding") {
+            return null;
+          } else if (headerName === "Content-Length") {
+            return 8;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: false,
+        suggestedLength: 8
+      });
+    });
+    it("accepts file sizes large enough for range requests", function () {
+      expect((0, _network_utils.validateRangeRequestCapabilities)({
+        disableRange: false,
+        isHttp: true,
+        getResponseHeader: headerName => {
+          if (headerName === "Accept-Ranges") {
+            return "bytes";
+          } else if (headerName === "Content-Encoding") {
+            return null;
+          } else if (headerName === "Content-Length") {
+            return 8192;
+          }
+
+          throw new Error(`Unexpected headerName: ${headerName}`);
+        },
+        rangeChunkSize: 64
+      })).toEqual({
+        allowRangeRequests: true,
+        suggestedLength: 8192
+      });
+    });
+  });
+  describe("extractFilenameFromHeader", function () {
+    it("returns null when content disposition header is blank", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return null;
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return undefined;
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+    });
+    it("gets the filename from the response header", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "inline";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="filename.pdf"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="filename.pdf and spaces.pdf"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf and spaces.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="tl;dr.pdf"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("tl;dr.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename=filename.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename=filename.pdf someotherparam";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="%e4%b8%ad%e6%96%87.pdf"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("中文.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="100%.pdf"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("100%.pdf");
+    });
+    it("gets the filename from the response header (RFC 6266)", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename*=filename.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename*=''filename.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename*=utf-8''filename.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename=no.pdf; filename*=utf-8''filename.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename*=utf-8''filename.pdf; filename=no.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+    });
+    it("gets the filename from the response header (RFC 2231)", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return "attachment; filename*0=filename; filename*1=.pdf";
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("filename.pdf");
+    });
+    it("only extracts filename with pdf extension", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'attachment; filename="filename.png"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toBeNull();
+    });
+    it("extension validation is case insensitive", function () {
+      expect((0, _network_utils.extractFilenameFromHeader)(headerName => {
+        if (headerName === "Content-Disposition") {
+          return 'form-data; name="fieldName"; filename="file.PdF"';
+        }
+
+        throw new Error(`Unexpected headerName: ${headerName}`);
+      })).toEqual("file.PdF");
+    });
+  });
+  describe("createResponseStatusError", function () {
+    it("handles missing PDF file responses", function () {
+      expect((0, _network_utils.createResponseStatusError)(404, "https://foo.com/bar.pdf")).toEqual(new _util.MissingPDFException('Missing PDF "https://foo.com/bar.pdf".'));
+      expect((0, _network_utils.createResponseStatusError)(0, "file://foo.pdf")).toEqual(new _util.MissingPDFException('Missing PDF "file://foo.pdf".'));
+    });
+    it("handles unexpected responses", function () {
+      expect((0, _network_utils.createResponseStatusError)(302, "https://foo.com/bar.pdf")).toEqual(new _util.UnexpectedResponseException("Unexpected server response (302) while retrieving PDF " + '"https://foo.com/bar.pdf".'));
+      expect((0, _network_utils.createResponseStatusError)(0, "https://foo.com/bar.pdf")).toEqual(new _util.UnexpectedResponseException("Unexpected server response (0) while retrieving PDF " + '"https://foo.com/bar.pdf".'));
+    });
+  });
+  describe("validateResponseStatus", function () {
+    it("accepts valid response statuses", function () {
+      expect((0, _network_utils.validateResponseStatus)(200)).toEqual(true);
+      expect((0, _network_utils.validateResponseStatus)(206)).toEqual(true);
+    });
+    it("rejects invalid response statuses", function () {
+      expect((0, _network_utils.validateResponseStatus)(302)).toEqual(false);
+      expect((0, _network_utils.validateResponseStatus)(404)).toEqual(false);
+      expect((0, _network_utils.validateResponseStatus)(null)).toEqual(false);
+      expect((0, _network_utils.validateResponseStatus)(undefined)).toEqual(false);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/node_stream_spec.js b/node_modules/pdfjs-dist/lib/test/unit/node_stream_spec.js
new file mode 100644
index 00000000..dee6a383
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/node_stream_spec.js
@@ -0,0 +1,229 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _node_stream = require("../../display/node_stream.js");
+
+if (!_is_node.isNodeJS) {
+  throw new Error('The "node_stream" unit-tests can only be run in Node.js environments.');
+}
+
+const path = require("path");
+
+const url = require("url");
+
+const http = require("http");
+
+const fs = require("fs");
+
+describe("node_stream", function () {
+  let server = null;
+  let port = null;
+  const pdf = url.parse(encodeURI("file://" + path.join(process.cwd(), "./test/pdfs/tracemonkey.pdf"))).href;
+  const pdfLength = 1016315;
+  beforeAll(done => {
+    server = http.createServer((request, response) => {
+      const filePath = process.cwd() + "/test/pdfs" + request.url;
+      fs.lstat(filePath, (error, stat) => {
+        if (error) {
+          response.writeHead(404);
+          response.end(`File ${request.url} not found!`);
+          return;
+        }
+
+        if (!request.headers.range) {
+          const contentLength = stat.size;
+          const stream = fs.createReadStream(filePath);
+          response.writeHead(200, {
+            "Content-Type": "application/pdf",
+            "Content-Length": contentLength,
+            "Accept-Ranges": "bytes"
+          });
+          stream.pipe(response);
+        } else {
+          const [start, end] = request.headers.range.split("=")[1].split("-").map(x => {
+            return Number(x);
+          });
+          const stream = fs.createReadStream(filePath, {
+            start,
+            end
+          });
+          response.writeHead(206, {
+            "Content-Type": "application/pdf"
+          });
+          stream.pipe(response);
+        }
+      });
+    }).listen(0);
+    port = server.address().port;
+    done();
+  });
+  afterAll(done => {
+    server.close();
+    done();
+  });
+  it("read both http(s) and filesystem pdf files", function (done) {
+    const stream1 = new _node_stream.PDFNodeStream({
+      url: `http://127.0.0.1:${port}/tracemonkey.pdf`,
+      rangeChunkSize: 65536,
+      disableStream: true,
+      disableRange: true
+    });
+    const stream2 = new _node_stream.PDFNodeStream({
+      url: pdf,
+      rangeChunkSize: 65536,
+      disableStream: true,
+      disableRange: true
+    });
+    const fullReader1 = stream1.getFullReader();
+    const fullReader2 = stream2.getFullReader();
+    let isStreamingSupported1, isRangeSupported1;
+    const promise1 = fullReader1.headersReady.then(() => {
+      isStreamingSupported1 = fullReader1.isStreamingSupported;
+      isRangeSupported1 = fullReader1.isRangeSupported;
+    });
+    let isStreamingSupported2, isRangeSupported2;
+    const promise2 = fullReader2.headersReady.then(() => {
+      isStreamingSupported2 = fullReader2.isStreamingSupported;
+      isRangeSupported2 = fullReader2.isRangeSupported;
+    });
+    let len1 = 0,
+        len2 = 0;
+
+    const read1 = function () {
+      return fullReader1.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        len1 += result.value.byteLength;
+        return read1();
+      });
+    };
+
+    const read2 = function () {
+      return fullReader2.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        len2 += result.value.byteLength;
+        return read2();
+      });
+    };
+
+    const readPromise = Promise.all([read1(), read2(), promise1, promise2]);
+    readPromise.then(result => {
+      expect(isStreamingSupported1).toEqual(false);
+      expect(isRangeSupported1).toEqual(false);
+      expect(isStreamingSupported2).toEqual(false);
+      expect(isRangeSupported2).toEqual(false);
+      expect(len1).toEqual(pdfLength);
+      expect(len1).toEqual(len2);
+      done();
+    }).catch(reason => {
+      done.fail(reason);
+    });
+  });
+  it("read custom ranges for both http(s) and filesystem urls", function (done) {
+    const rangeSize = 32768;
+    const stream1 = new _node_stream.PDFNodeStream({
+      url: `http://127.0.0.1:${port}/tracemonkey.pdf`,
+      length: pdfLength,
+      rangeChunkSize: rangeSize,
+      disableStream: true,
+      disableRange: false
+    });
+    const stream2 = new _node_stream.PDFNodeStream({
+      url: pdf,
+      length: pdfLength,
+      rangeChunkSize: rangeSize,
+      disableStream: true,
+      disableRange: false
+    });
+    const fullReader1 = stream1.getFullReader();
+    const fullReader2 = stream2.getFullReader();
+    let isStreamingSupported1, isRangeSupported1, fullReaderCancelled1;
+    let isStreamingSupported2, isRangeSupported2, fullReaderCancelled2;
+    const promise1 = fullReader1.headersReady.then(function () {
+      isStreamingSupported1 = fullReader1.isStreamingSupported;
+      isRangeSupported1 = fullReader1.isRangeSupported;
+      fullReader1.cancel(new _util.AbortException("Don't need fullReader1."));
+      fullReaderCancelled1 = true;
+    });
+    const promise2 = fullReader2.headersReady.then(function () {
+      isStreamingSupported2 = fullReader2.isStreamingSupported;
+      isRangeSupported2 = fullReader2.isRangeSupported;
+      fullReader2.cancel(new _util.AbortException("Don't need fullReader2."));
+      fullReaderCancelled2 = true;
+    });
+    const tailSize = pdfLength % rangeSize || rangeSize;
+    const range11Reader = stream1.getRangeReader(pdfLength - tailSize - rangeSize, pdfLength - tailSize);
+    const range12Reader = stream1.getRangeReader(pdfLength - tailSize, pdfLength);
+    const range21Reader = stream2.getRangeReader(pdfLength - tailSize - rangeSize, pdfLength - tailSize);
+    const range22Reader = stream2.getRangeReader(pdfLength - tailSize, pdfLength);
+    const result11 = {
+      value: 0
+    },
+          result12 = {
+      value: 0
+    };
+    const result21 = {
+      value: 0
+    },
+          result22 = {
+      value: 0
+    };
+
+    const read = function (reader, lenResult) {
+      return reader.read().then(function (result) {
+        if (result.done) {
+          return undefined;
+        }
+
+        lenResult.value += result.value.byteLength;
+        return read(reader, lenResult);
+      });
+    };
+
+    const readPromises = Promise.all([read(range11Reader, result11), read(range12Reader, result12), read(range21Reader, result21), read(range22Reader, result22), promise1, promise2]);
+    readPromises.then(function () {
+      expect(result11.value).toEqual(rangeSize);
+      expect(result12.value).toEqual(tailSize);
+      expect(result21.value).toEqual(rangeSize);
+      expect(result22.value).toEqual(tailSize);
+      expect(isStreamingSupported1).toEqual(false);
+      expect(isRangeSupported1).toEqual(true);
+      expect(fullReaderCancelled1).toEqual(true);
+      expect(isStreamingSupported2).toEqual(false);
+      expect(isRangeSupported2).toEqual(true);
+      expect(fullReaderCancelled2).toEqual(true);
+      done();
+    }).catch(function (reason) {
+      done.fail(reason);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/parser_spec.js b/node_modules/pdfjs-dist/lib/test/unit/parser_spec.js
new file mode 100644
index 00000000..759d651b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/parser_spec.js
@@ -0,0 +1,240 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _parser = require("../../core/parser.js");
+
+var _util = require("../../shared/util.js");
+
+var _primitives = require("../../core/primitives.js");
+
+var _stream = require("../../core/stream.js");
+
+describe("parser", function () {
+  describe("Parser", function () {
+    describe("inlineStreamSkipEI", function () {
+      it("should skip over the EI marker if it is found", function () {
+        const string = "q 1 0 0 1 0 0 cm BI /W 10 /H 10 /BPC 1 " + "/F /A85 ID abc123~> EI Q";
+        const input = new _stream.StringStream(string);
+        const parser = new _parser.Parser({
+          lexer: new _parser.Lexer(input),
+          xref: null,
+          allowStreams: true
+        });
+        parser.inlineStreamSkipEI(input);
+        expect(input.pos).toEqual(string.indexOf("Q"));
+        expect(input.peekByte()).toEqual(0x51);
+      });
+      it("should skip to the end of stream if the EI marker is not found", function () {
+        const string = "q 1 0 0 1 0 0 cm BI /W 10 /H 10 /BPC 1 /F /A85 ID abc123~> Q";
+        const input = new _stream.StringStream(string);
+        const parser = new _parser.Parser({
+          lexer: new _parser.Lexer(input),
+          xref: null,
+          allowStreams: true
+        });
+        parser.inlineStreamSkipEI(input);
+        expect(input.pos).toEqual(string.length);
+        expect(input.peekByte()).toEqual(-1);
+      });
+    });
+  });
+  describe("Lexer", function () {
+    describe("nextChar", function () {
+      it("should return and set -1 when the end of the stream is reached", function () {
+        const input = new _stream.StringStream("");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.nextChar()).toEqual(-1);
+        expect(lexer.currentChar).toEqual(-1);
+      });
+      it("should return and set the character after the current position", function () {
+        const input = new _stream.StringStream("123");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.nextChar()).toEqual(0x32);
+        expect(lexer.currentChar).toEqual(0x32);
+      });
+    });
+    describe("peekChar", function () {
+      it("should only return -1 when the end of the stream is reached", function () {
+        const input = new _stream.StringStream("");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.peekChar()).toEqual(-1);
+        expect(lexer.currentChar).toEqual(-1);
+      });
+      it("should only return the character after the current position", function () {
+        const input = new _stream.StringStream("123");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.peekChar()).toEqual(0x32);
+        expect(lexer.currentChar).toEqual(0x31);
+      });
+    });
+    describe("getNumber", function () {
+      it("should stop parsing numbers at the end of stream", function () {
+        const input = new _stream.StringStream("11.234");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getNumber()).toEqual(11.234);
+      });
+      it("should parse PostScript numbers", function () {
+        const numbers = ["-.002", "34.5", "-3.62", "123.6e10", "1E-5", "-1.", "0.0", "123", "-98", "43445", "0", "+17"];
+
+        for (const number of numbers) {
+          const input = new _stream.StringStream(number);
+          const lexer = new _parser.Lexer(input);
+          const result = lexer.getNumber(),
+                expected = parseFloat(number);
+
+          if (result !== expected && Math.abs(result - expected) < 1e-15) {
+            console.error(`Fuzzy matching "${result}" with "${expected}" to ` + "work-around rounding bugs in Chromium browsers.");
+            expect(true).toEqual(true);
+            continue;
+          }
+
+          expect(result).toEqual(expected);
+        }
+      });
+      it("should ignore double negative before number", function () {
+        const input = new _stream.StringStream("--205.88");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getNumber()).toEqual(-205.88);
+      });
+      it("should ignore minus signs in the middle of number", function () {
+        const input = new _stream.StringStream("205--.88");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getNumber()).toEqual(205.88);
+      });
+      it("should ignore line-breaks between operator and digit in number", function () {
+        const minusInput = new _stream.StringStream("-\r\n205.88");
+        const minusLexer = new _parser.Lexer(minusInput);
+        expect(minusLexer.getNumber()).toEqual(-205.88);
+        const plusInput = new _stream.StringStream("+\r\n205.88");
+        const plusLexer = new _parser.Lexer(plusInput);
+        expect(plusLexer.getNumber()).toEqual(205.88);
+      });
+      it("should treat a single decimal point as zero", function () {
+        const input = new _stream.StringStream(".");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getNumber()).toEqual(0);
+        const numbers = ["..", "-.", "+.", "-\r\n.", "+\r\n."];
+
+        for (const number of numbers) {
+          const invalidInput = new _stream.StringStream(number);
+          const invalidLexer = new _parser.Lexer(invalidInput);
+          expect(function () {
+            return invalidLexer.getNumber();
+          }).toThrowError(_util.FormatError, /^Invalid number:\s/);
+        }
+      });
+      it("should handle glued numbers and operators", function () {
+        const input = new _stream.StringStream("123ET");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getNumber()).toEqual(123);
+        expect(lexer.currentChar).toEqual(0x45);
+      });
+    });
+    describe("getString", function () {
+      it("should stop parsing strings at the end of stream", function () {
+        const input = new _stream.StringStream("(1$4)");
+
+        input.getByte = function (super_getByte) {
+          const ch = super_getByte.call(input);
+          return ch === 0x24 ? -1 : ch;
+        }.bind(input, input.getByte);
+
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getString()).toEqual("1");
+      });
+      it("should ignore escaped CR and LF", function () {
+        const input = new _stream.StringStream("(\\101\\\r\n\\102\\\r\\103\\\n\\104)");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getString()).toEqual("ABCD");
+      });
+    });
+    describe("getHexString", function () {
+      it("should not throw exception on bad input", function () {
+        const input = new _stream.StringStream("<7 0 2 15 5 2 2 2 4 3 2 4>");
+        const lexer = new _parser.Lexer(input);
+        expect(lexer.getHexString()).toEqual('p!U"$2');
+      });
+    });
+    describe("getName", function () {
+      it("should handle Names with invalid usage of NUMBER SIGN (#)", function () {
+        const inputNames = ["/# 680 0 R", "/#AQwerty", "/#A<</B"];
+        const expectedNames = ["#", "#AQwerty", "#A"];
+
+        for (let i = 0, ii = inputNames.length; i < ii; i++) {
+          const input = new _stream.StringStream(inputNames[i]);
+          const lexer = new _parser.Lexer(input);
+          expect(lexer.getName()).toEqual(_primitives.Name.get(expectedNames[i]));
+        }
+      });
+    });
+  });
+  describe("Linearization", function () {
+    it("should not find a linearization dictionary", function () {
+      const stream1 = new _stream.StringStream("3 0 obj\n" + "<<\n" + "/Length 4622\n" + "/Filter /FlateDecode\n" + ">>\n" + "endobj");
+      expect(_parser.Linearization.create(stream1)).toEqual(null);
+      const stream2 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 0\n" + ">>\n" + "endobj");
+      expect(_parser.Linearization.create(stream2)).toEqual(null);
+    });
+    it("should accept a valid linearization dictionary", function () {
+      const stream = new _stream.StringStream("131 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H [ 1388 863 ]\n" + "/L 90\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      const expectedLinearizationDict = {
+        length: 90,
+        hints: [1388, 863],
+        objectNumberFirst: 133,
+        endFirst: 43573,
+        numPages: 18,
+        mainXRefEntriesOffset: 193883,
+        pageFirst: 0
+      };
+      expect(_parser.Linearization.create(stream)).toEqual(expectedLinearizationDict);
+    });
+    it("should reject a linearization dictionary with invalid " + "integer parameters", function () {
+      const stream1 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H [ 1388 863 ]\n" + "/L 196622\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream1);
+      }).toThrow(new Error('The "L" parameter in the linearization ' + "dictionary does not equal the stream length."));
+      const stream2 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H [ 1388 863 ]\n" + "/L 84\n" + "/E 0\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream2);
+      }).toThrow(new Error('The "E" parameter in the linearization dictionary is invalid.'));
+      const stream3 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O /abc\n" + "/H [ 1388 863 ]\n" + "/L 89\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream3);
+      }).toThrow(new Error('The "O" parameter in the linearization dictionary is invalid.'));
+    });
+    it("should reject a linearization dictionary with invalid hint parameters", function () {
+      const stream1 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H 1388\n" + "/L 80\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream1);
+      }).toThrow(new Error("Hint array in the linearization dictionary is invalid."));
+      const stream2 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H [ 1388 ]\n" + "/L 84\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream2);
+      }).toThrow(new Error("Hint array in the linearization dictionary is invalid."));
+      const stream3 = new _stream.StringStream("1 0 obj\n" + "<<\n" + "/Linearized 1\n" + "/O 133\n" + "/H [ 1388 863 0 234]\n" + "/L 93\n" + "/E 43573\n" + "/N 18\n" + "/T 193883\n" + ">>\n" + "endobj");
+      expect(function () {
+        return _parser.Linearization.create(stream3);
+      }).toThrow(new Error("Hint (2) in the linearization dictionary is invalid."));
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/pdf_find_controller_spec.js b/node_modules/pdfjs-dist/lib/test/unit/pdf_find_controller_spec.js
new file mode 100644
index 00000000..840c255e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/pdf_find_controller_spec.js
@@ -0,0 +1,199 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _test_utils = require("./test_utils.js");
+
+var _ui_utils = require("../../web/ui_utils.js");
+
+var _api = require("../../display/api.js");
+
+var _pdf_find_controller = require("../../web/pdf_find_controller.js");
+
+var _pdf_link_service = require("../../web/pdf_link_service.js");
+
+class MockLinkService extends _pdf_link_service.SimpleLinkService {
+  constructor() {
+    super();
+    this._page = 1;
+    this._pdfDocument = null;
+  }
+
+  setDocument(pdfDocument) {
+    this._pdfDocument = pdfDocument;
+  }
+
+  get pagesCount() {
+    return this._pdfDocument.numPages;
+  }
+
+  get page() {
+    return this._page;
+  }
+
+  set page(value) {
+    this._page = value;
+  }
+
+}
+
+describe("pdf_find_controller", function () {
+  let eventBus;
+  let pdfFindController;
+  beforeEach(function (done) {
+    const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("tracemonkey.pdf"));
+    loadingTask.promise.then(function (pdfDocument) {
+      eventBus = new _ui_utils.EventBus();
+      const linkService = new MockLinkService();
+      linkService.setDocument(pdfDocument);
+      pdfFindController = new _pdf_find_controller.PDFFindController({
+        linkService,
+        eventBus
+      });
+      pdfFindController.setDocument(pdfDocument);
+      done();
+    });
+  });
+  afterEach(function () {
+    eventBus = null;
+    pdfFindController = null;
+  });
+
+  function testSearch({
+    parameters,
+    matchesPerPage,
+    selectedMatch
+  }) {
+    return new Promise(function (resolve) {
+      pdfFindController.executeCommand("find", parameters);
+      let totalPages = matchesPerPage.length;
+
+      for (let i = totalPages - 1; i >= 0; i--) {
+        if (matchesPerPage[i] > 0) {
+          totalPages = i + 1;
+          break;
+        }
+      }
+
+      const totalMatches = matchesPerPage.reduce((a, b) => {
+        return a + b;
+      });
+      eventBus.on("updatefindmatchescount", function onUpdateFindMatchesCount(evt) {
+        if (pdfFindController.pageMatches.length !== totalPages) {
+          return;
+        }
+
+        eventBus.off("updatefindmatchescount", onUpdateFindMatchesCount);
+        expect(evt.matchesCount.total).toBe(totalMatches);
+
+        for (let i = 0; i < totalPages; i++) {
+          expect(pdfFindController.pageMatches[i].length).toEqual(matchesPerPage[i]);
+        }
+
+        expect(pdfFindController.selected.pageIdx).toEqual(selectedMatch.pageIndex);
+        expect(pdfFindController.selected.matchIdx).toEqual(selectedMatch.matchIndex);
+        resolve();
+      });
+    });
+  }
+
+  it("performs a normal search", function (done) {
+    testSearch({
+      parameters: {
+        query: "Dynamic",
+        caseSensitive: false,
+        entireWord: false,
+        phraseSearch: true,
+        findPrevious: false
+      },
+      matchesPerPage: [11, 5, 0, 3, 0, 0, 0, 1, 1, 1, 0, 3, 4, 4],
+      selectedMatch: {
+        pageIndex: 0,
+        matchIndex: 0
+      }
+    }).then(done);
+  });
+  it("performs a normal search and finds the previous result", function (done) {
+    testSearch({
+      parameters: {
+        query: "conference",
+        caseSensitive: false,
+        entireWord: false,
+        phraseSearch: true,
+        findPrevious: true
+      },
+      matchesPerPage: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5],
+      selectedMatch: {
+        pageIndex: 13,
+        matchIndex: 4
+      }
+    }).then(done);
+  });
+  it("performs a case sensitive search", function (done) {
+    testSearch({
+      parameters: {
+        query: "Dynamic",
+        caseSensitive: true,
+        entireWord: false,
+        phraseSearch: true,
+        findPrevious: false
+      },
+      matchesPerPage: [3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3],
+      selectedMatch: {
+        pageIndex: 0,
+        matchIndex: 0
+      }
+    }).then(done);
+  });
+  it("performs an entire word search", function (done) {
+    testSearch({
+      parameters: {
+        query: "Government",
+        caseSensitive: false,
+        entireWord: true,
+        phraseSearch: true,
+        findPrevious: false
+      },
+      matchesPerPage: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0],
+      selectedMatch: {
+        pageIndex: 12,
+        matchIndex: 0
+      }
+    }).then(done);
+  });
+  it("performs a multiple term (no phrase) search", function (done) {
+    testSearch({
+      parameters: {
+        query: "alternate solution",
+        caseSensitive: false,
+        entireWord: false,
+        phraseSearch: false,
+        findPrevious: false
+      },
+      matchesPerPage: [0, 0, 0, 0, 0, 1, 0, 0, 4, 0, 0, 0, 0, 0],
+      selectedMatch: {
+        pageIndex: 5,
+        matchIndex: 0
+      }
+    }).then(done);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/pdf_find_utils_spec.js b/node_modules/pdfjs-dist/lib/test/unit/pdf_find_utils_spec.js
new file mode 100644
index 00000000..1a9c1da0
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/pdf_find_utils_spec.js
@@ -0,0 +1,63 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _pdf_find_utils = require("../../web/pdf_find_utils.js");
+
+describe("pdf_find_utils", function () {
+  describe("getCharacterType", function () {
+    it("gets expected character types", function () {
+      const characters = {
+        A: _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        a: _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        "0": _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        "5": _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        Ä: _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        ä: _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        _: _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        " ": _pdf_find_utils.CharacterType.SPACE,
+        "\t": _pdf_find_utils.CharacterType.SPACE,
+        "\r": _pdf_find_utils.CharacterType.SPACE,
+        "\n": _pdf_find_utils.CharacterType.SPACE,
+        "\xA0": _pdf_find_utils.CharacterType.SPACE,
+        "-": _pdf_find_utils.CharacterType.PUNCT,
+        ",": _pdf_find_utils.CharacterType.PUNCT,
+        ".": _pdf_find_utils.CharacterType.PUNCT,
+        ";": _pdf_find_utils.CharacterType.PUNCT,
+        ":": _pdf_find_utils.CharacterType.PUNCT,
+        "\u2122": _pdf_find_utils.CharacterType.ALPHA_LETTER,
+        ล: _pdf_find_utils.CharacterType.THAI_LETTER,
+        䀀: _pdf_find_utils.CharacterType.HAN_LETTER,
+        縷: _pdf_find_utils.CharacterType.HAN_LETTER,
+        ダ: _pdf_find_utils.CharacterType.KATAKANA_LETTER,
+        ぐ: _pdf_find_utils.CharacterType.HIRAGANA_LETTER,
+        ﾀ: _pdf_find_utils.CharacterType.HALFWIDTH_KATAKANA_LETTER
+      };
+
+      for (const character in characters) {
+        const charCode = character.charCodeAt(0);
+        const type = characters[character];
+        expect((0, _pdf_find_utils.getCharacterType)(charCode)).toEqual(type);
+      }
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/pdf_history_spec.js b/node_modules/pdfjs-dist/lib/test/unit/pdf_history_spec.js
new file mode 100644
index 00000000..43806443
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/pdf_history_spec.js
@@ -0,0 +1,95 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _pdf_history = require("../../web/pdf_history.js");
+
+describe("pdf_history", function () {
+  describe("isDestHashesEqual", function () {
+    it("should reject non-equal destination hashes", function () {
+      expect((0, _pdf_history.isDestHashesEqual)(null, "page.157")).toEqual(false);
+      expect((0, _pdf_history.isDestHashesEqual)("title.0", "page.157")).toEqual(false);
+      expect((0, _pdf_history.isDestHashesEqual)("page=1&zoom=auto", "page.157")).toEqual(false);
+      expect((0, _pdf_history.isDestHashesEqual)("nameddest-page.157", "page.157")).toEqual(false);
+      expect((0, _pdf_history.isDestHashesEqual)("page.157", "nameddest=page.157")).toEqual(false);
+      const destArrayString = JSON.stringify([{
+        num: 3757,
+        gen: 0
+      }, {
+        name: "XYZ"
+      }, 92.918, 748.972, null]);
+      expect((0, _pdf_history.isDestHashesEqual)(destArrayString, "page.157")).toEqual(false);
+      expect((0, _pdf_history.isDestHashesEqual)("page.157", destArrayString)).toEqual(false);
+    });
+    it("should accept equal destination hashes", function () {
+      expect((0, _pdf_history.isDestHashesEqual)("page.157", "page.157")).toEqual(true);
+      expect((0, _pdf_history.isDestHashesEqual)("nameddest=page.157", "page.157")).toEqual(true);
+      expect((0, _pdf_history.isDestHashesEqual)("nameddest=page.157&zoom=100", "page.157")).toEqual(true);
+    });
+  });
+  describe("isDestArraysEqual", function () {
+    const firstDest = [{
+      num: 1,
+      gen: 0
+    }, {
+      name: "XYZ"
+    }, 0, 375, null];
+    const secondDest = [{
+      num: 5,
+      gen: 0
+    }, {
+      name: "XYZ"
+    }, 0, 375, null];
+    const thirdDest = [{
+      num: 1,
+      gen: 0
+    }, {
+      name: "XYZ"
+    }, 750, 0, null];
+    const fourthDest = [{
+      num: 1,
+      gen: 0
+    }, {
+      name: "XYZ"
+    }, 0, 375, 1.0];
+    const fifthDest = [{
+      gen: 0,
+      num: 1
+    }, {
+      name: "XYZ"
+    }, 0, 375, null];
+    it("should reject non-equal destination arrays", function () {
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, undefined)).toEqual(false);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, [1, 2, 3, 4, 5])).toEqual(false);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, secondDest)).toEqual(false);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, thirdDest)).toEqual(false);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, fourthDest)).toEqual(false);
+    });
+    it("should accept equal destination arrays", function () {
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, firstDest)).toEqual(true);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, fifthDest)).toEqual(true);
+      const firstDestCopy = firstDest.slice();
+      expect(firstDest).not.toBe(firstDestCopy);
+      expect((0, _pdf_history.isDestArraysEqual)(firstDest, firstDestCopy)).toEqual(true);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/primitives_spec.js b/node_modules/pdfjs-dist/lib/test/unit/primitives_spec.js
new file mode 100644
index 00000000..18225cdc
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/primitives_spec.js
@@ -0,0 +1,512 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _primitives = require("../../core/primitives.js");
+
+var _stream = require("../../core/stream.js");
+
+var _test_utils = require("./test_utils.js");
+
+describe("primitives", function () {
+  describe("Name", function () {
+    it("should retain the given name", function () {
+      const givenName = "Font";
+
+      const name = _primitives.Name.get(givenName);
+
+      expect(name.name).toEqual(givenName);
+    });
+    it("should create only one object for a name and cache it", function () {
+      const firstFont = _primitives.Name.get("Font");
+
+      const secondFont = _primitives.Name.get("Font");
+
+      const firstSubtype = _primitives.Name.get("Subtype");
+
+      const secondSubtype = _primitives.Name.get("Subtype");
+
+      expect(firstFont).toBe(secondFont);
+      expect(firstSubtype).toBe(secondSubtype);
+      expect(firstFont).not.toBe(firstSubtype);
+    });
+  });
+  describe("Cmd", function () {
+    it("should retain the given cmd name", function () {
+      const givenCmd = "BT";
+
+      const cmd = _primitives.Cmd.get(givenCmd);
+
+      expect(cmd.cmd).toEqual(givenCmd);
+    });
+    it("should create only one object for a command and cache it", function () {
+      const firstBT = _primitives.Cmd.get("BT");
+
+      const secondBT = _primitives.Cmd.get("BT");
+
+      const firstET = _primitives.Cmd.get("ET");
+
+      const secondET = _primitives.Cmd.get("ET");
+
+      expect(firstBT).toBe(secondBT);
+      expect(firstET).toBe(secondET);
+      expect(firstBT).not.toBe(firstET);
+    });
+  });
+  describe("Dict", function () {
+    const checkInvalidHasValues = function (dict) {
+      expect(dict.has()).toBeFalsy();
+      expect(dict.has("Prev")).toBeFalsy();
+    };
+
+    const checkInvalidKeyValues = function (dict) {
+      expect(dict.get()).toBeUndefined();
+      expect(dict.get("Prev")).toBeUndefined();
+      expect(dict.get("Decode", "D")).toBeUndefined();
+      expect(dict.get("FontFile", "FontFile2", "FontFile3")).toBeUndefined();
+    };
+
+    let emptyDict, dictWithSizeKey, dictWithManyKeys;
+    const storedSize = 42;
+    const testFontFile = "file1";
+    const testFontFile2 = "file2";
+    const testFontFile3 = "file3";
+    beforeAll(function (done) {
+      emptyDict = new _primitives.Dict();
+      dictWithSizeKey = new _primitives.Dict();
+      dictWithSizeKey.set("Size", storedSize);
+      dictWithManyKeys = new _primitives.Dict();
+      dictWithManyKeys.set("FontFile", testFontFile);
+      dictWithManyKeys.set("FontFile2", testFontFile2);
+      dictWithManyKeys.set("FontFile3", testFontFile3);
+      done();
+    });
+    afterAll(function () {
+      emptyDict = dictWithSizeKey = dictWithManyKeys = null;
+    });
+    it("should allow assigning an XRef table after creation", function () {
+      const dict = new _primitives.Dict(null);
+      expect(dict.xref).toEqual(null);
+      const xref = new _test_utils.XRefMock([]);
+      dict.assignXref(xref);
+      expect(dict.xref).toEqual(xref);
+    });
+    it("should return correct size", function () {
+      const dict = new _primitives.Dict(null);
+      expect(dict.size).toEqual(0);
+      dict.set("Type", _primitives.Name.get("Page"));
+      expect(dict.size).toEqual(1);
+      dict.set("Contents", _primitives.Ref.get(10, 0));
+      expect(dict.size).toEqual(2);
+    });
+    it("should return invalid values for unknown keys", function () {
+      checkInvalidHasValues(emptyDict);
+      checkInvalidKeyValues(emptyDict);
+    });
+    it("should return correct value for stored Size key", function () {
+      expect(dictWithSizeKey.has("Size")).toBeTruthy();
+      expect(dictWithSizeKey.get("Size")).toEqual(storedSize);
+      expect(dictWithSizeKey.get("Prev", "Size")).toEqual(storedSize);
+      expect(dictWithSizeKey.get("Prev", "Root", "Size")).toEqual(storedSize);
+    });
+    it("should return invalid values for unknown keys when Size key is stored", function () {
+      checkInvalidHasValues(dictWithSizeKey);
+      checkInvalidKeyValues(dictWithSizeKey);
+    });
+    it("should not accept to set a key with an undefined value", function () {
+      const dict = new _primitives.Dict();
+      expect(function () {
+        dict.set("Size");
+      }).toThrow(new Error('Dict.set: The "value" cannot be undefined.'));
+      expect(dict.has("Size")).toBeFalsy();
+      checkInvalidKeyValues(dict);
+    });
+    it("should return correct values for multiple stored keys", function () {
+      expect(dictWithManyKeys.has("FontFile")).toBeTruthy();
+      expect(dictWithManyKeys.has("FontFile2")).toBeTruthy();
+      expect(dictWithManyKeys.has("FontFile3")).toBeTruthy();
+      expect(dictWithManyKeys.get("FontFile3")).toEqual(testFontFile3);
+      expect(dictWithManyKeys.get("FontFile2", "FontFile3")).toEqual(testFontFile2);
+      expect(dictWithManyKeys.get("FontFile", "FontFile2", "FontFile3")).toEqual(testFontFile);
+    });
+    it("should asynchronously fetch unknown keys", function (done) {
+      const keyPromises = [dictWithManyKeys.getAsync("Size"), dictWithSizeKey.getAsync("FontFile", "FontFile2", "FontFile3")];
+      Promise.all(keyPromises).then(function (values) {
+        expect(values[0]).toBeUndefined();
+        expect(values[1]).toBeUndefined();
+        done();
+      }).catch(function (reason) {
+        done.fail(reason);
+      });
+    });
+    it("should asynchronously fetch correct values for multiple stored keys", function (done) {
+      const keyPromises = [dictWithManyKeys.getAsync("FontFile3"), dictWithManyKeys.getAsync("FontFile2", "FontFile3"), dictWithManyKeys.getAsync("FontFile", "FontFile2", "FontFile3")];
+      Promise.all(keyPromises).then(function (values) {
+        expect(values[0]).toEqual(testFontFile3);
+        expect(values[1]).toEqual(testFontFile2);
+        expect(values[2]).toEqual(testFontFile);
+        done();
+      }).catch(function (reason) {
+        done.fail(reason);
+      });
+    });
+    it("should callback for each stored key", function () {
+      const callbackSpy = jasmine.createSpy("spy on callback in dictionary");
+      dictWithManyKeys.forEach(callbackSpy);
+      expect(callbackSpy).toHaveBeenCalled();
+      const callbackSpyCalls = callbackSpy.calls;
+      expect(callbackSpyCalls.argsFor(0)).toEqual(["FontFile", testFontFile]);
+      expect(callbackSpyCalls.argsFor(1)).toEqual(["FontFile2", testFontFile2]);
+      expect(callbackSpyCalls.argsFor(2)).toEqual(["FontFile3", testFontFile3]);
+      expect(callbackSpyCalls.count()).toEqual(3);
+    });
+    it("should handle keys pointing to indirect objects, both sync and async", function (done) {
+      const fontRef = _primitives.Ref.get(1, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: fontRef,
+        data: testFontFile
+      }]);
+      const fontDict = new _primitives.Dict(xref);
+      fontDict.set("FontFile", fontRef);
+      expect(fontDict.getRaw("FontFile")).toEqual(fontRef);
+      expect(fontDict.get("FontFile", "FontFile2", "FontFile3")).toEqual(testFontFile);
+      fontDict.getAsync("FontFile", "FontFile2", "FontFile3").then(function (value) {
+        expect(value).toEqual(testFontFile);
+        done();
+      }).catch(function (reason) {
+        done.fail(reason);
+      });
+    });
+    it("should handle arrays containing indirect objects", function () {
+      const minCoordRef = _primitives.Ref.get(1, 0);
+
+      const maxCoordRef = _primitives.Ref.get(2, 0);
+
+      const minCoord = 0;
+      const maxCoord = 1;
+      const xref = new _test_utils.XRefMock([{
+        ref: minCoordRef,
+        data: minCoord
+      }, {
+        ref: maxCoordRef,
+        data: maxCoord
+      }]);
+      const xObjectDict = new _primitives.Dict(xref);
+      xObjectDict.set("BBox", [minCoord, maxCoord, minCoordRef, maxCoordRef]);
+      expect(xObjectDict.get("BBox")).toEqual([minCoord, maxCoord, minCoordRef, maxCoordRef]);
+      expect(xObjectDict.getArray("BBox")).toEqual([minCoord, maxCoord, minCoord, maxCoord]);
+    });
+    it("should get all key names", function () {
+      const expectedKeys = ["FontFile", "FontFile2", "FontFile3"];
+      const keys = dictWithManyKeys.getKeys();
+      expect(keys.sort()).toEqual(expectedKeys);
+    });
+    it("should get all raw values", function () {
+      const expectedRawValues1 = [testFontFile, testFontFile2, testFontFile3];
+      const rawValues1 = dictWithManyKeys.getRawValues();
+      expect(rawValues1.sort()).toEqual(expectedRawValues1);
+
+      const typeName = _primitives.Name.get("Page");
+
+      const resources = new _primitives.Dict(null),
+            resourcesRef = _primitives.Ref.get(5, 0);
+
+      const contents = new _stream.StringStream("data"),
+            contentsRef = _primitives.Ref.get(10, 0);
+
+      const xref = new _test_utils.XRefMock([{
+        ref: resourcesRef,
+        data: resources
+      }, {
+        ref: contentsRef,
+        data: contents
+      }]);
+      const dict = new _primitives.Dict(xref);
+      dict.set("Type", typeName);
+      dict.set("Resources", resourcesRef);
+      dict.set("Contents", contentsRef);
+      const expectedRawValues2 = [contentsRef, resourcesRef, typeName];
+      const rawValues2 = dict.getRawValues();
+      expect(rawValues2.sort()).toEqual(expectedRawValues2);
+    });
+    it("should create only one object for Dict.empty", function () {
+      const firstDictEmpty = _primitives.Dict.empty;
+      const secondDictEmpty = _primitives.Dict.empty;
+      expect(firstDictEmpty).toBe(secondDictEmpty);
+      expect(firstDictEmpty).not.toBe(emptyDict);
+    });
+    it("should correctly merge dictionaries", function () {
+      const expectedKeys = ["FontFile", "FontFile2", "FontFile3", "Size"];
+      const fontFileDict = new _primitives.Dict();
+      fontFileDict.set("FontFile", "Type1 font file");
+
+      const mergedDict = _primitives.Dict.merge({
+        xref: null,
+        dictArray: [dictWithManyKeys, dictWithSizeKey, fontFileDict]
+      });
+
+      const mergedKeys = mergedDict.getKeys();
+      expect(mergedKeys.sort()).toEqual(expectedKeys);
+      expect(mergedDict.get("FontFile")).toEqual(testFontFile);
+    });
+    it("should correctly merge sub-dictionaries", function () {
+      const localFontDict = new _primitives.Dict();
+      localFontDict.set("F1", "Local font one");
+      const globalFontDict = new _primitives.Dict();
+      globalFontDict.set("F1", "Global font one");
+      globalFontDict.set("F2", "Global font two");
+      globalFontDict.set("F3", "Global font three");
+      const localDict = new _primitives.Dict();
+      localDict.set("Font", localFontDict);
+      const globalDict = new _primitives.Dict();
+      globalDict.set("Font", globalFontDict);
+
+      const mergedDict = _primitives.Dict.merge({
+        xref: null,
+        dictArray: [localDict, globalDict]
+      });
+
+      const mergedSubDict = _primitives.Dict.merge({
+        xref: null,
+        dictArray: [localDict, globalDict],
+        mergeSubDicts: true
+      });
+
+      const mergedFontDict = mergedDict.get("Font");
+      const mergedSubFontDict = mergedSubDict.get("Font");
+      expect(mergedFontDict instanceof _primitives.Dict).toEqual(true);
+      expect(mergedSubFontDict instanceof _primitives.Dict).toEqual(true);
+      const mergedFontDictKeys = mergedFontDict.getKeys();
+      const mergedSubFontDictKeys = mergedSubFontDict.getKeys();
+      expect(mergedFontDictKeys).toEqual(["F1"]);
+      expect(mergedSubFontDictKeys).toEqual(["F1", "F2", "F3"]);
+      const mergedFontDictValues = mergedFontDict.getRawValues();
+      const mergedSubFontDictValues = mergedSubFontDict.getRawValues();
+      expect(mergedFontDictValues).toEqual(["Local font one"]);
+      expect(mergedSubFontDictValues).toEqual(["Local font one", "Global font two", "Global font three"]);
+    });
+  });
+  describe("Ref", function () {
+    it("should get a string representation", function () {
+      const nonZeroRef = _primitives.Ref.get(4, 2);
+
+      expect(nonZeroRef.toString()).toEqual("4R2");
+
+      const zeroRef = _primitives.Ref.get(4, 0);
+
+      expect(zeroRef.toString()).toEqual("4R");
+    });
+    it("should retain the stored values", function () {
+      const storedNum = 4;
+      const storedGen = 2;
+
+      const ref = _primitives.Ref.get(storedNum, storedGen);
+
+      expect(ref.num).toEqual(storedNum);
+      expect(ref.gen).toEqual(storedGen);
+    });
+    it("should create only one object for a reference and cache it", function () {
+      const firstRef = _primitives.Ref.get(4, 2);
+
+      const secondRef = _primitives.Ref.get(4, 2);
+
+      const firstOtherRef = _primitives.Ref.get(5, 2);
+
+      const secondOtherRef = _primitives.Ref.get(5, 2);
+
+      expect(firstRef).toBe(secondRef);
+      expect(firstOtherRef).toBe(secondOtherRef);
+      expect(firstRef).not.toBe(firstOtherRef);
+    });
+  });
+  describe("RefSet", function () {
+    it("should have a stored value", function () {
+      const ref = _primitives.Ref.get(4, 2);
+
+      const refset = new _primitives.RefSet();
+      refset.put(ref);
+      expect(refset.has(ref)).toBeTruthy();
+    });
+    it("should not have an unknown value", function () {
+      const ref = _primitives.Ref.get(4, 2);
+
+      const refset = new _primitives.RefSet();
+      expect(refset.has(ref)).toBeFalsy();
+      refset.put(ref);
+
+      const anotherRef = _primitives.Ref.get(2, 4);
+
+      expect(refset.has(anotherRef)).toBeFalsy();
+    });
+  });
+  describe("RefSetCache", function () {
+    const ref1 = _primitives.Ref.get(4, 2);
+
+    const ref2 = _primitives.Ref.get(5, 2);
+
+    const obj1 = _primitives.Name.get("foo");
+
+    const obj2 = _primitives.Name.get("bar");
+
+    let cache;
+    beforeEach(function (done) {
+      cache = new _primitives.RefSetCache();
+      done();
+    });
+    afterEach(function () {
+      cache = null;
+    });
+    it("should put, have and get a value", function () {
+      cache.put(ref1, obj1);
+      expect(cache.has(ref1)).toBeTruthy();
+      expect(cache.has(ref2)).toBeFalsy();
+      expect(cache.get(ref1)).toBe(obj1);
+    });
+    it("should put, have and get a value by alias", function () {
+      cache.put(ref1, obj1);
+      cache.putAlias(ref2, ref1);
+      expect(cache.has(ref1)).toBeTruthy();
+      expect(cache.has(ref2)).toBeTruthy();
+      expect(cache.get(ref1)).toBe(obj1);
+      expect(cache.get(ref2)).toBe(obj1);
+    });
+    it("should report the size of the cache", function () {
+      cache.put(ref1, obj1);
+      expect(cache.size).toEqual(1);
+      cache.put(ref2, obj2);
+      expect(cache.size).toEqual(2);
+    });
+    it("should clear the cache", function () {
+      cache.put(ref1, obj1);
+      expect(cache.size).toEqual(1);
+      cache.clear();
+      expect(cache.size).toEqual(0);
+    });
+    it("should support iteration", function () {
+      cache.put(ref1, obj1);
+      cache.put(ref2, obj2);
+      const values = [];
+      cache.forEach(function (value) {
+        values.push(value);
+      });
+      expect(values).toEqual([obj1, obj2]);
+    });
+  });
+  describe("isEOF", function () {
+    it("handles non-EOF", function () {
+      const nonEOF = "foo";
+      expect((0, _primitives.isEOF)(nonEOF)).toEqual(false);
+    });
+    it("handles EOF", function () {
+      expect((0, _primitives.isEOF)(_primitives.EOF)).toEqual(true);
+    });
+  });
+  describe("isName", function () {
+    it("handles non-names", function () {
+      const nonName = {};
+      expect((0, _primitives.isName)(nonName)).toEqual(false);
+    });
+    it("handles names", function () {
+      const name = _primitives.Name.get("Font");
+
+      expect((0, _primitives.isName)(name)).toEqual(true);
+    });
+    it("handles names with name check", function () {
+      const name = _primitives.Name.get("Font");
+
+      expect((0, _primitives.isName)(name, "Font")).toEqual(true);
+      expect((0, _primitives.isName)(name, "Subtype")).toEqual(false);
+    });
+  });
+  describe("isCmd", function () {
+    it("handles non-commands", function () {
+      const nonCmd = {};
+      expect((0, _primitives.isCmd)(nonCmd)).toEqual(false);
+    });
+    it("handles commands", function () {
+      const cmd = _primitives.Cmd.get("BT");
+
+      expect((0, _primitives.isCmd)(cmd)).toEqual(true);
+    });
+    it("handles commands with cmd check", function () {
+      const cmd = _primitives.Cmd.get("BT");
+
+      expect((0, _primitives.isCmd)(cmd, "BT")).toEqual(true);
+      expect((0, _primitives.isCmd)(cmd, "ET")).toEqual(false);
+    });
+  });
+  describe("isDict", function () {
+    it("handles non-dictionaries", function () {
+      const nonDict = {};
+      expect((0, _primitives.isDict)(nonDict)).toEqual(false);
+    });
+    it("handles empty dictionaries with type check", function () {
+      const dict = _primitives.Dict.empty;
+      expect((0, _primitives.isDict)(dict)).toEqual(true);
+      expect((0, _primitives.isDict)(dict, "Page")).toEqual(false);
+    });
+    it("handles dictionaries with type check", function () {
+      const dict = new _primitives.Dict();
+      dict.set("Type", _primitives.Name.get("Page"));
+      expect((0, _primitives.isDict)(dict, "Page")).toEqual(true);
+      expect((0, _primitives.isDict)(dict, "Contents")).toEqual(false);
+    });
+  });
+  describe("isRef", function () {
+    it("handles non-refs", function () {
+      const nonRef = {};
+      expect((0, _primitives.isRef)(nonRef)).toEqual(false);
+    });
+    it("handles refs", function () {
+      const ref = _primitives.Ref.get(1, 0);
+
+      expect((0, _primitives.isRef)(ref)).toEqual(true);
+    });
+  });
+  describe("isRefsEqual", function () {
+    it("should handle Refs pointing to the same object", function () {
+      const ref1 = _primitives.Ref.get(1, 0);
+
+      const ref2 = _primitives.Ref.get(1, 0);
+
+      expect((0, _primitives.isRefsEqual)(ref1, ref2)).toEqual(true);
+    });
+    it("should handle Refs pointing to different objects", function () {
+      const ref1 = _primitives.Ref.get(1, 0);
+
+      const ref2 = _primitives.Ref.get(2, 0);
+
+      expect((0, _primitives.isRefsEqual)(ref1, ref2)).toEqual(false);
+    });
+  });
+  describe("isStream", function () {
+    it("handles non-streams", function () {
+      const nonStream = {};
+      expect((0, _primitives.isStream)(nonStream)).toEqual(false);
+    });
+    it("handles streams", function () {
+      const stream = new _stream.StringStream("foo");
+      expect((0, _primitives.isStream)(stream)).toEqual(true);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/stream_spec.js b/node_modules/pdfjs-dist/lib/test/unit/stream_spec.js
new file mode 100644
index 00000000..41885ae7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/stream_spec.js
@@ -0,0 +1,78 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _stream = require("../../core/stream.js");
+
+var _primitives = require("../../core/primitives.js");
+
+describe("stream", function () {
+  beforeEach(function () {
+    jasmine.addMatchers({
+      toMatchTypedArray(util, customEqualityTesters) {
+        return {
+          compare(actual, expected) {
+            var result = {};
+
+            if (actual.length !== expected.length) {
+              result.pass = false;
+              result.message = "Array length: " + actual.length + ", expected: " + expected.length;
+              return result;
+            }
+
+            result.pass = true;
+
+            for (var i = 0, ii = expected.length; i < ii; i++) {
+              var a = actual[i],
+                  b = expected[i];
+
+              if (a !== b) {
+                result.pass = false;
+                break;
+              }
+            }
+
+            return result;
+          }
+
+        };
+      }
+
+    });
+  });
+  describe("PredictorStream", function () {
+    it("should decode simple predictor data", function () {
+      var dict = new _primitives.Dict();
+      dict.set("Predictor", 12);
+      dict.set("Colors", 1);
+      dict.set("BitsPerComponent", 8);
+      dict.set("Columns", 2);
+      var input = new _stream.Stream(new Uint8Array([2, 100, 3, 2, 1, 255, 2, 1, 255]), 0, 9, dict);
+      var predictor = new _stream.PredictorStream(input, 9, dict);
+      var result = predictor.getBytes(6);
+      expect(result).toMatchTypedArray(new Uint8Array([100, 3, 101, 2, 102, 1]));
+      predictor.reset();
+      const clampedResult = predictor.getBytes(6, true);
+      expect(clampedResult).toEqual(new Uint8ClampedArray([100, 3, 101, 2, 102, 1]));
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/test_utils.js b/node_modules/pdfjs-dist/lib/test/unit/test_utils.js
new file mode 100644
index 00000000..73de6bf1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/test_utils.js
@@ -0,0 +1,170 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.buildGetDocumentParams = buildGetDocumentParams;
+exports.createIdFactory = createIdFactory;
+exports.isEmptyObj = isEmptyObj;
+exports.TEST_PDFS_PATH = exports.XRefMock = exports.NodeFileReaderFactory = exports.DOMFileReaderFactory = void 0;
+
+var _primitives = require("../../core/primitives.js");
+
+var _document = require("../../core/document.js");
+
+var _util = require("../../shared/util.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+var _stream = require("../../core/stream.js");
+
+class DOMFileReaderFactory {
+  static async fetch(params) {
+    const response = await fetch(params.path);
+
+    if (!response.ok) {
+      throw new Error(response.statusText);
+    }
+
+    return new Uint8Array(await response.arrayBuffer());
+  }
+
+}
+
+exports.DOMFileReaderFactory = DOMFileReaderFactory;
+
+class NodeFileReaderFactory {
+  static async fetch(params) {
+    const fs = require("fs");
+
+    return new Promise((resolve, reject) => {
+      fs.readFile(params.path, (error, data) => {
+        if (error || !data) {
+          reject(error || new Error(`Empty file for: ${params.path}`));
+          return;
+        }
+
+        resolve(new Uint8Array(data));
+      });
+    });
+  }
+
+}
+
+exports.NodeFileReaderFactory = NodeFileReaderFactory;
+const TEST_PDFS_PATH = {
+  dom: "../pdfs/",
+  node: "./test/pdfs/"
+};
+exports.TEST_PDFS_PATH = TEST_PDFS_PATH;
+
+function buildGetDocumentParams(filename, options) {
+  const params = Object.create(null);
+
+  if (_is_node.isNodeJS) {
+    params.url = TEST_PDFS_PATH.node + filename;
+  } else {
+    params.url = new URL(TEST_PDFS_PATH.dom + filename, window.location).href;
+  }
+
+  for (const option in options) {
+    params[option] = options[option];
+  }
+
+  return params;
+}
+
+class XRefMock {
+  constructor(array) {
+    this._map = Object.create(null);
+    this.stats = {
+      streamTypes: Object.create(null),
+      fontTypes: Object.create(null)
+    };
+    this._newRefNum = null;
+
+    for (const key in array) {
+      const obj = array[key];
+      this._map[obj.ref.toString()] = obj.data;
+    }
+  }
+
+  getNewRef() {
+    if (this._newRefNum === null) {
+      this._newRefNum = Object.keys(this._map).length;
+    }
+
+    return _primitives.Ref.get(this._newRefNum++, 0);
+  }
+
+  resetNewRef() {
+    this.newRef = null;
+  }
+
+  fetch(ref) {
+    return this._map[ref.toString()];
+  }
+
+  fetchAsync(ref) {
+    return Promise.resolve(this.fetch(ref));
+  }
+
+  fetchIfRef(obj) {
+    if (!(0, _primitives.isRef)(obj)) {
+      return obj;
+    }
+
+    return this.fetch(obj);
+  }
+
+  fetchIfRefAsync(obj) {
+    return Promise.resolve(this.fetchIfRef(obj));
+  }
+
+}
+
+exports.XRefMock = XRefMock;
+
+function createIdFactory(pageIndex) {
+  const pdfManager = {
+    get docId() {
+      return "d0";
+    }
+
+  };
+  const stream = new _stream.StringStream("Dummy_PDF_data");
+  const pdfDocument = new _document.PDFDocument(pdfManager, stream);
+  const page = new _document.Page({
+    pdfManager: pdfDocument.pdfManager,
+    xref: pdfDocument.xref,
+    pageIndex,
+    globalIdFactory: pdfDocument._globalIdFactory
+  });
+  return page._localIdFactory;
+}
+
+function isEmptyObj(obj) {
+  (0, _util.assert)(typeof obj === "object" && obj !== null, "isEmptyObj - invalid argument.");
+  return Object.keys(obj).length === 0;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/testreporter.js b/node_modules/pdfjs-dist/lib/test/unit/testreporter.js
new file mode 100644
index 00000000..ca940521
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/testreporter.js
@@ -0,0 +1,113 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var TestReporter = function (browser) {
+  function send(action, json, cb) {
+    var r = new XMLHttpRequest();
+    r.open("POST", action, true);
+    r.setRequestHeader("Content-Type", "application/json");
+
+    r.onreadystatechange = function sendTaskResultOnreadystatechange(e) {
+      if (r.readyState === 4) {
+        if (r.status !== 200) {
+          send(action, json, cb);
+        } else {
+          if (cb) {
+            cb();
+          }
+        }
+      }
+    };
+
+    json.browser = browser;
+    r.send(JSON.stringify(json));
+  }
+
+  function sendInfo(message) {
+    send("/info", {
+      message
+    });
+  }
+
+  function sendResult(status, description, error) {
+    var message = {
+      status,
+      description
+    };
+
+    if (typeof error !== "undefined") {
+      message.error = error;
+    }
+
+    send("/submit_task_results", message);
+  }
+
+  function sendQuitRequest() {
+    send(`/tellMeToQuit?browser=${escape(browser)}`, {});
+  }
+
+  this.now = function () {
+    return new Date().getTime();
+  };
+
+  this.jasmineStarted = function (suiteInfo) {
+    this.runnerStartTime = this.now();
+    const total = suiteInfo.totalSpecsDefined;
+    const seed = suiteInfo.order.seed;
+    sendInfo(`Started ${total} tests for ${browser} with seed ${seed}.`);
+  };
+
+  this.suiteStarted = function (result) {
+    if (result.failedExpectations.length > 0) {
+      let failedMessages = "";
+
+      for (const item of result.failedExpectations) {
+        failedMessages += `${item.message} `;
+      }
+
+      sendResult("TEST-UNEXPECTED-FAIL", result.description, failedMessages);
+    }
+  };
+
+  this.specStarted = function (result) {};
+
+  this.specDone = function (result) {
+    if (result.failedExpectations.length === 0) {
+      sendResult("TEST-PASSED", result.description);
+    } else {
+      let failedMessages = "";
+
+      for (const item of result.failedExpectations) {
+        failedMessages += `${item.message} `;
+      }
+
+      sendResult("TEST-UNEXPECTED-FAIL", result.description, failedMessages);
+    }
+  };
+
+  this.suiteDone = function (result) {};
+
+  this.jasmineDone = function () {
+    setTimeout(sendQuitRequest, 500);
+  };
+};
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/type1_parser_spec.js b/node_modules/pdfjs-dist/lib/test/unit/type1_parser_spec.js
new file mode 100644
index 00000000..bc90a1f1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/type1_parser_spec.js
@@ -0,0 +1,104 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _fonts = require("../../core/fonts.js");
+
+var _stream = require("../../core/stream.js");
+
+var _type1_parser = require("../../core/type1_parser.js");
+
+describe("Type1Parser", function () {
+  it("splits tokens", function () {
+    var stream = new _stream.StringStream("/BlueValues[-17 0]noaccess def");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.getToken()).toEqual("/");
+    expect(parser.getToken()).toEqual("BlueValues");
+    expect(parser.getToken()).toEqual("[");
+    expect(parser.getToken()).toEqual("-17");
+    expect(parser.getToken()).toEqual("0");
+    expect(parser.getToken()).toEqual("]");
+    expect(parser.getToken()).toEqual("noaccess");
+    expect(parser.getToken()).toEqual("def");
+    expect(parser.getToken()).toEqual(null);
+  });
+  it("handles glued tokens", function () {
+    var stream = new _stream.StringStream("dup/CharStrings");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.getToken()).toEqual("dup");
+    expect(parser.getToken()).toEqual("/");
+    expect(parser.getToken()).toEqual("CharStrings");
+  });
+  it("ignores whitespace", function () {
+    var stream = new _stream.StringStream("\nab   c\t");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.getToken()).toEqual("ab");
+    expect(parser.getToken()).toEqual("c");
+  });
+  it("parses numbers", function () {
+    var stream = new _stream.StringStream("123");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.readNumber()).toEqual(123);
+  });
+  it("parses booleans", function () {
+    var stream = new _stream.StringStream("true false");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.readBoolean()).toEqual(1);
+    expect(parser.readBoolean()).toEqual(0);
+  });
+  it("parses number arrays", function () {
+    var stream = new _stream.StringStream("[1 2]");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.readNumberArray()).toEqual([1, 2]);
+    stream = new _stream.StringStream("[ 1 2 ]");
+    parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.readNumberArray()).toEqual([1, 2]);
+  });
+  it("skips comments", function () {
+    var stream = new _stream.StringStream("%!PS-AdobeFont-1.0: CMSY10 003.002\n" + "%%Title: CMSY10\n" + "%Version: 003.002\n" + "FontDirectory");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    expect(parser.getToken()).toEqual("FontDirectory");
+  });
+  it("parses font program", function () {
+    var stream = new _stream.StringStream("/ExpansionFactor  99\n" + "/Subrs 1 array\n" + "dup 0 1 RD x noaccess put\n" + "end\n" + "/CharStrings 46 dict dup begin\n" + "/.notdef 1 RD x ND\n" + "end");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    var program = parser.extractFontProgram({});
+    expect(program.charstrings.length).toEqual(1);
+    expect(program.properties.privateData.ExpansionFactor).toEqual(99);
+  });
+  it("parses font header font matrix", function () {
+    var stream = new _stream.StringStream("/FontMatrix [0.001 0 0 0.001 0 0 ]readonly def\n");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    var props = {};
+    parser.extractFontHeader(props);
+    expect(props.fontMatrix).toEqual([0.001, 0, 0, 0.001, 0, 0]);
+  });
+  it("parses font header encoding", function () {
+    var stream = new _stream.StringStream("/Encoding 256 array\n" + "0 1 255 {1 index exch /.notdef put} for\n" + "dup 33 /arrowright put\n" + "readonly def\n");
+    var parser = new _type1_parser.Type1Parser(stream, false, _fonts.SEAC_ANALYSIS_ENABLED);
+    var props = {
+      overridableEncoding: true
+    };
+    parser.extractFontHeader(props);
+    expect(props.builtInEncoding[33]).toEqual("arrowright");
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/ui_utils_spec.js b/node_modules/pdfjs-dist/lib/test/unit/ui_utils_spec.js
new file mode 100644
index 00000000..27edfd2b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/ui_utils_spec.js
@@ -0,0 +1,657 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _ui_utils = require("../../web/ui_utils.js");
+
+var _util = require("../../shared/util.js");
+
+var _is_node = require("../../shared/is_node.js");
+
+describe("ui_utils", function () {
+  describe("binary search", function () {
+    function isTrue(boolean) {
+      return boolean;
+    }
+
+    function isGreater3(number) {
+      return number > 3;
+    }
+
+    it("empty array", function () {
+      expect((0, _ui_utils.binarySearchFirstItem)([], isTrue)).toEqual(0);
+    });
+    it("single boolean entry", function () {
+      expect((0, _ui_utils.binarySearchFirstItem)([false], isTrue)).toEqual(1);
+      expect((0, _ui_utils.binarySearchFirstItem)([true], isTrue)).toEqual(0);
+    });
+    it("three boolean entries", function () {
+      expect((0, _ui_utils.binarySearchFirstItem)([true, true, true], isTrue)).toEqual(0);
+      expect((0, _ui_utils.binarySearchFirstItem)([false, true, true], isTrue)).toEqual(1);
+      expect((0, _ui_utils.binarySearchFirstItem)([false, false, true], isTrue)).toEqual(2);
+      expect((0, _ui_utils.binarySearchFirstItem)([false, false, false], isTrue)).toEqual(3);
+    });
+    it("three numeric entries", function () {
+      expect((0, _ui_utils.binarySearchFirstItem)([0, 1, 2], isGreater3)).toEqual(3);
+      expect((0, _ui_utils.binarySearchFirstItem)([2, 3, 4], isGreater3)).toEqual(2);
+      expect((0, _ui_utils.binarySearchFirstItem)([4, 5, 6], isGreater3)).toEqual(0);
+    });
+  });
+  describe("getPDFFileNameFromURL", function () {
+    it("gets PDF filename", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/file1.pdf")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/file2.pdf")).toEqual("file2.pdf");
+    });
+    it("gets fallback filename", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/file1.txt")).toEqual("document.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/file2.txt")).toEqual("document.pdf");
+    });
+    it("gets custom fallback filename", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/file1.txt", "qwerty1.pdf")).toEqual("qwerty1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/file2.txt", "qwerty2.pdf")).toEqual("qwerty2.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/file3.txt", "")).toEqual("");
+    });
+    it("gets fallback filename when url is not a string", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)(null)).toEqual("document.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)(null, "file.pdf")).toEqual("file.pdf");
+    });
+    it("gets PDF filename from URL containing leading/trailing whitespace", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("   /pdfs/file1.pdf   ")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("   http://www.example.com/pdfs/file2.pdf   ")).toEqual("file2.pdf");
+    });
+    it("gets PDF filename from query string", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/pdfs.html?name=file1.pdf")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/pdf.html?file2.pdf")).toEqual("file2.pdf");
+    });
+    it("gets PDF filename from hash string", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/pdfs.html#name=file1.pdf")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/pdf.html#file2.pdf")).toEqual("file2.pdf");
+    });
+    it("gets correct PDF filename when multiple ones are present", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/file1.pdf?name=file.pdf")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/pdfs/file2.pdf#file.pdf")).toEqual("file2.pdf");
+    });
+    it("gets PDF filename from URI-encoded data", function () {
+      var encodedUrl = encodeURIComponent("http://www.example.com/pdfs/file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)(encodedUrl)).toEqual("file1.pdf");
+      var encodedUrlWithQuery = encodeURIComponent("http://www.example.com/pdfs/file.txt?file2.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)(encodedUrlWithQuery)).toEqual("file2.pdf");
+    });
+    it("gets PDF filename from data mistaken for URI-encoded", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/%AA.pdf")).toEqual("%AA.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("/pdfs/%2F.pdf")).toEqual("%2F.pdf");
+    });
+    it("gets PDF filename from (some) standard protocols", function () {
+      expect((0, _ui_utils.getPDFFileNameFromURL)("http://www.example.com/file1.pdf")).toEqual("file1.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("https://www.example.com/file2.pdf")).toEqual("file2.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("file:///path/to/files/file3.pdf")).toEqual("file3.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("ftp://www.example.com/file4.pdf")).toEqual("file4.pdf");
+    });
+    it('gets PDF filename from query string appended to "blob:" URL', function () {
+      if (_is_node.isNodeJS) {
+        pending("Blob in not supported in Node.js.");
+      }
+
+      var typedArray = new Uint8Array([1, 2, 3, 4, 5]);
+      var blobUrl = (0, _util.createObjectURL)(typedArray, "application/pdf");
+      expect(blobUrl.startsWith("blob:")).toEqual(true);
+      expect((0, _ui_utils.getPDFFileNameFromURL)(blobUrl + "?file.pdf")).toEqual("file.pdf");
+    });
+    it('gets fallback filename from query string appended to "data:" URL', function () {
+      var typedArray = new Uint8Array([1, 2, 3, 4, 5]);
+      var dataUrl = (0, _util.createObjectURL)(typedArray, "application/pdf", true);
+      expect(dataUrl.startsWith("data:")).toEqual(true);
+      expect((0, _ui_utils.getPDFFileNameFromURL)(dataUrl + "?file1.pdf")).toEqual("document.pdf");
+      expect((0, _ui_utils.getPDFFileNameFromURL)("     " + dataUrl + "?file2.pdf")).toEqual("document.pdf");
+    });
+  });
+  describe("EventBus", function () {
+    it("dispatch event", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+      eventBus.on("test", function (evt) {
+        expect(evt).toEqual(undefined);
+        count++;
+      });
+      eventBus.dispatch("test");
+      expect(count).toEqual(1);
+    });
+    it("dispatch event with arguments", function () {
+      const eventBus = new _ui_utils.EventBus();
+      let count = 0;
+      eventBus.on("test", function (evt) {
+        expect(evt).toEqual({
+          abc: 123
+        });
+        count++;
+      });
+      eventBus.dispatch("test", {
+        abc: 123
+      });
+      expect(count).toEqual(1);
+    });
+    it("dispatch different event", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+      eventBus.on("test", function () {
+        count++;
+      });
+      eventBus.dispatch("nottest");
+      expect(count).toEqual(0);
+    });
+    it("dispatch event multiple times", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+      eventBus.dispatch("test");
+      eventBus.on("test", function () {
+        count++;
+      });
+      eventBus.dispatch("test");
+      eventBus.dispatch("test");
+      expect(count).toEqual(2);
+    });
+    it("dispatch event to multiple handlers", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+      eventBus.on("test", function () {
+        count++;
+      });
+      eventBus.on("test", function () {
+        count++;
+      });
+      eventBus.dispatch("test");
+      expect(count).toEqual(2);
+    });
+    it("dispatch to detached", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+
+      var listener = function () {
+        count++;
+      };
+
+      eventBus.on("test", listener);
+      eventBus.dispatch("test");
+      eventBus.off("test", listener);
+      eventBus.dispatch("test");
+      expect(count).toEqual(1);
+    });
+    it("dispatch to wrong detached", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+      eventBus.on("test", function () {
+        count++;
+      });
+      eventBus.dispatch("test");
+      eventBus.off("test", function () {
+        count++;
+      });
+      eventBus.dispatch("test");
+      expect(count).toEqual(2);
+    });
+    it("dispatch to detached during handling", function () {
+      var eventBus = new _ui_utils.EventBus();
+      var count = 0;
+
+      var listener1 = function () {
+        eventBus.off("test", listener2);
+        count++;
+      };
+
+      var listener2 = function () {
+        eventBus.off("test", listener1);
+        count++;
+      };
+
+      eventBus.on("test", listener1);
+      eventBus.on("test", listener2);
+      eventBus.dispatch("test");
+      eventBus.dispatch("test");
+      expect(count).toEqual(2);
+    });
+    it("should not re-dispatch to DOM", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Document in not supported in Node.js.");
+      }
+
+      const eventBus = new _ui_utils.EventBus();
+      let count = 0;
+      eventBus.on("test", function (evt) {
+        expect(evt).toEqual(undefined);
+        count++;
+      });
+
+      function domEventListener() {
+        done.fail("shall not dispatch DOM event.");
+      }
+
+      document.addEventListener("test", domEventListener);
+      eventBus.dispatch("test");
+      Promise.resolve().then(() => {
+        expect(count).toEqual(1);
+        document.removeEventListener("test", domEventListener);
+        done();
+      });
+    });
+  });
+  describe("isValidRotation", function () {
+    it("should reject non-integer angles", function () {
+      expect((0, _ui_utils.isValidRotation)()).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(null)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(NaN)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)([90])).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)("90")).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(90.5)).toEqual(false);
+    });
+    it("should reject non-multiple of 90 degree angles", function () {
+      expect((0, _ui_utils.isValidRotation)(45)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(-123)).toEqual(false);
+    });
+    it("should accept valid angles", function () {
+      expect((0, _ui_utils.isValidRotation)(0)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(90)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(-270)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(540)).toEqual(true);
+    });
+  });
+  describe("isPortraitOrientation", function () {
+    it("should be portrait orientation", function () {
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 200,
+        height: 400
+      })).toEqual(true);
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 500,
+        height: 500
+      })).toEqual(true);
+    });
+    it("should be landscape orientation", function () {
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 600,
+        height: 300
+      })).toEqual(false);
+    });
+  });
+  describe("waitOnEventOrTimeout", function () {
+    let eventBus;
+    beforeAll(function (done) {
+      eventBus = new _ui_utils.EventBus();
+      done();
+    });
+    afterAll(function () {
+      eventBus = null;
+    });
+    it("should reject invalid parameters", function (done) {
+      const invalidTarget = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: "window",
+        name: "DOMContentLoaded"
+      }).then(function () {
+        throw new Error("Should reject invalid parameters.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      const invalidName = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: eventBus,
+        name: ""
+      }).then(function () {
+        throw new Error("Should reject invalid parameters.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      const invalidDelay = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: eventBus,
+        name: "pagerendered",
+        delay: -1000
+      }).then(function () {
+        throw new Error("Should reject invalid parameters.");
+      }, function (reason) {
+        expect(reason instanceof Error).toEqual(true);
+      });
+      Promise.all([invalidTarget, invalidName, invalidDelay]).then(done, done.fail);
+    });
+    it("should resolve on event, using the DOM", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Document in not supported in Node.js.");
+      }
+
+      const button = document.createElement("button");
+      const buttonClicked = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: button,
+        name: "click",
+        delay: 10000
+      });
+      button.click();
+      buttonClicked.then(function (type) {
+        expect(type).toEqual(_ui_utils.WaitOnType.EVENT);
+        done();
+      }, done.fail);
+    });
+    it("should resolve on timeout, using the DOM", function (done) {
+      if (_is_node.isNodeJS) {
+        pending("Document in not supported in Node.js.");
+      }
+
+      const button = document.createElement("button");
+      const buttonClicked = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: button,
+        name: "click",
+        delay: 10
+      });
+      buttonClicked.then(function (type) {
+        expect(type).toEqual(_ui_utils.WaitOnType.TIMEOUT);
+        done();
+      }, done.fail);
+    });
+    it("should resolve on event, using the EventBus", function (done) {
+      const pageRendered = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: eventBus,
+        name: "pagerendered",
+        delay: 10000
+      });
+      eventBus.dispatch("pagerendered");
+      pageRendered.then(function (type) {
+        expect(type).toEqual(_ui_utils.WaitOnType.EVENT);
+        done();
+      }, done.fail);
+    });
+    it("should resolve on timeout, using the EventBus", function (done) {
+      const pageRendered = (0, _ui_utils.waitOnEventOrTimeout)({
+        target: eventBus,
+        name: "pagerendered",
+        delay: 10
+      });
+      pageRendered.then(function (type) {
+        expect(type).toEqual(_ui_utils.WaitOnType.TIMEOUT);
+        done();
+      }, done.fail);
+    });
+  });
+  describe("getPageSizeInches", function () {
+    it("gets page size (in inches)", function () {
+      const page = {
+        view: [0, 0, 595.28, 841.89],
+        userUnit: 1.0,
+        rotate: 0
+      };
+      const {
+        width,
+        height
+      } = (0, _ui_utils.getPageSizeInches)(page);
+      expect(+width.toPrecision(3)).toEqual(8.27);
+      expect(+height.toPrecision(4)).toEqual(11.69);
+    });
+    it("gets page size (in inches), for non-default /Rotate entry", function () {
+      const pdfPage1 = {
+        view: [0, 0, 612, 792],
+        userUnit: 1,
+        rotate: 0
+      };
+      const {
+        width: width1,
+        height: height1
+      } = (0, _ui_utils.getPageSizeInches)(pdfPage1);
+      expect(width1).toEqual(8.5);
+      expect(height1).toEqual(11);
+      const pdfPage2 = {
+        view: [0, 0, 612, 792],
+        userUnit: 1,
+        rotate: 90
+      };
+      const {
+        width: width2,
+        height: height2
+      } = (0, _ui_utils.getPageSizeInches)(pdfPage2);
+      expect(width2).toEqual(11);
+      expect(height2).toEqual(8.5);
+    });
+  });
+  describe("getVisibleElements", function () {
+    const BORDER_WIDTH = 9;
+    const SPACING = 2 * BORDER_WIDTH - 7;
+
+    function makePages(lines) {
+      const result = [];
+      let lineTop = 0,
+          id = 0;
+
+      for (const line of lines) {
+        const lineHeight = line.reduce(function (maxHeight, pair) {
+          return Math.max(maxHeight, pair[1]);
+        }, 0);
+        let offsetLeft = -BORDER_WIDTH;
+
+        for (const [clientWidth, clientHeight] of line) {
+          const offsetTop = lineTop + (lineHeight - clientHeight) / 2 - BORDER_WIDTH;
+          const div = {
+            offsetLeft,
+            offsetTop,
+            clientWidth,
+            clientHeight,
+            clientLeft: BORDER_WIDTH,
+            clientTop: BORDER_WIDTH
+          };
+          result.push({
+            id,
+            div
+          });
+          ++id;
+          offsetLeft += clientWidth + SPACING;
+        }
+
+        lineTop += lineHeight + SPACING;
+      }
+
+      return result;
+    }
+
+    function slowGetVisibleElements(scroll, pages) {
+      const views = [];
+      const {
+        scrollLeft,
+        scrollTop
+      } = scroll;
+      const scrollRight = scrollLeft + scroll.clientWidth;
+      const scrollBottom = scrollTop + scroll.clientHeight;
+
+      for (const view of pages) {
+        const {
+          div
+        } = view;
+        const viewLeft = div.offsetLeft + div.clientLeft;
+        const viewRight = viewLeft + div.clientWidth;
+        const viewTop = div.offsetTop + div.clientTop;
+        const viewBottom = viewTop + div.clientHeight;
+
+        if (viewLeft < scrollRight && viewRight > scrollLeft && viewTop < scrollBottom && viewBottom > scrollTop) {
+          const hiddenHeight = Math.max(0, scrollTop - viewTop) + Math.max(0, viewBottom - scrollBottom);
+          const hiddenWidth = Math.max(0, scrollLeft - viewLeft) + Math.max(0, viewRight - scrollRight);
+          const visibleArea = (div.clientHeight - hiddenHeight) * (div.clientWidth - hiddenWidth);
+          const percent = visibleArea * 100 / div.clientHeight / div.clientWidth | 0;
+          views.push({
+            id: view.id,
+            x: viewLeft,
+            y: viewTop,
+            view,
+            percent
+          });
+        }
+      }
+
+      return {
+        first: views[0],
+        last: views[views.length - 1],
+        views
+      };
+    }
+
+    function scrollOverDocument(pages, horizontally = false) {
+      const size = pages.reduce(function (max, {
+        div
+      }) {
+        return Math.max(max, horizontally ? div.offsetLeft + div.clientLeft + div.clientWidth : div.offsetTop + div.clientTop + div.clientHeight);
+      }, 0);
+
+      for (let i = 0; i < size; i += 7) {
+        for (let j = i + 5; j < size; j += j - i) {
+          const scroll = horizontally ? {
+            scrollTop: 0,
+            scrollLeft: i,
+            clientHeight: 10000,
+            clientWidth: j - i
+          } : {
+            scrollTop: i,
+            scrollLeft: 0,
+            clientHeight: j - i,
+            clientWidth: 10000
+          };
+          expect((0, _ui_utils.getVisibleElements)(scroll, pages, false, horizontally)).toEqual(slowGetVisibleElements(scroll, pages));
+        }
+      }
+    }
+
+    it("with pages of varying height", function () {
+      const pages = makePages([[[50, 20], [20, 50]], [[30, 12], [12, 30]], [[20, 50], [50, 20]], [[50, 20], [20, 50]]]);
+      scrollOverDocument(pages);
+    });
+    it("widescreen challenge", function () {
+      const pages = makePages([[[10, 50], [10, 60], [10, 70], [10, 80], [10, 90]], [[10, 90], [10, 80], [10, 70], [10, 60], [10, 50]], [[10, 50], [10, 60], [10, 70], [10, 80], [10, 90]]]);
+      scrollOverDocument(pages);
+    });
+    it("works with horizontal scrolling", function () {
+      const pages = makePages([[[10, 50], [20, 20], [30, 10]]]);
+      scrollOverDocument(pages, true);
+    });
+    it("handles `sortByVisibility` correctly", function () {
+      const scrollEl = {
+        scrollTop: 75,
+        scrollLeft: 0,
+        clientHeight: 750,
+        clientWidth: 1500
+      };
+      const views = makePages([[[100, 150]], [[100, 150]], [[100, 150]]]);
+      const visible = (0, _ui_utils.getVisibleElements)(scrollEl, views);
+      const visibleSorted = (0, _ui_utils.getVisibleElements)(scrollEl, views, true);
+      const viewsOrder = [],
+            viewsSortedOrder = [];
+
+      for (const view of visible.views) {
+        viewsOrder.push(view.id);
+      }
+
+      for (const view of visibleSorted.views) {
+        viewsSortedOrder.push(view.id);
+      }
+
+      expect(viewsOrder).toEqual([0, 1, 2]);
+      expect(viewsSortedOrder).toEqual([1, 2, 0]);
+    });
+    it("handles views being empty", function () {
+      const scrollEl = {
+        scrollTop: 10,
+        scrollLeft: 0,
+        clientHeight: 750,
+        clientWidth: 1500
+      };
+      const views = [];
+      expect((0, _ui_utils.getVisibleElements)(scrollEl, views)).toEqual({
+        first: undefined,
+        last: undefined,
+        views: []
+      });
+    });
+    it("handles all views being hidden (without errors)", function () {
+      const scrollEl = {
+        scrollTop: 100000,
+        scrollLeft: 0,
+        clientHeight: 750,
+        clientWidth: 1500
+      };
+      const views = makePages([[[100, 150]], [[100, 150]], [[100, 150]]]);
+      expect((0, _ui_utils.getVisibleElements)(scrollEl, views)).toEqual({
+        first: undefined,
+        last: undefined,
+        views: []
+      });
+    });
+    describe("backtrackBeforeAllVisibleElements", function () {
+      const tallPage = [10, 50];
+      const shortPage = [10, 10];
+      const top1 = 20 + SPACING + 40;
+      const top2 = 20 + SPACING + 10;
+      it("handles case 1", function () {
+        const pages = makePages([[[10, 20], [10, 20], [10, 20], [10, 20]], [tallPage, shortPage, tallPage, shortPage], [[10, 50], [10, 50], [10, 50], [10, 50]], [[10, 20], [10, 20], [10, 20], [10, 20]], [[10, 20]]]);
+        const bsResult = 4;
+        expect((0, _ui_utils.backtrackBeforeAllVisibleElements)(bsResult, pages, top1)).toEqual(4);
+      });
+      it("handles case 2", function () {
+        const pages = makePages([[[10, 20], [10, 20], [10, 20], [10, 20]], [tallPage, shortPage, tallPage, tallPage], [[10, 50], [10, 50], [10, 50], [10, 50]], [[10, 20], [10, 20], [10, 20], [10, 20]]]);
+        const bsResult = 6;
+        expect((0, _ui_utils.backtrackBeforeAllVisibleElements)(bsResult, pages, top1)).toEqual(4);
+      });
+      it("handles case 3", function () {
+        const pages = makePages([[[10, 20], [10, 20], [10, 20], [10, 20]], [tallPage, shortPage, tallPage, shortPage], [[10, 50], [10, 50], [10, 50], [10, 50]], [[10, 20], [10, 20], [10, 20], [10, 20]]]);
+        const bsResult = 8;
+        expect((0, _ui_utils.backtrackBeforeAllVisibleElements)(bsResult, pages, top1)).toEqual(4);
+      });
+      it("handles case 4", function () {
+        const pages = makePages([[[10, 20], [10, 20], [10, 20], [10, 20]], [tallPage, shortPage, tallPage, shortPage], [[10, 50], [10, 50], [10, 50], [10, 50]], [[10, 20], [10, 20], [10, 20], [10, 20]]]);
+        const bsResult = 4;
+        expect((0, _ui_utils.backtrackBeforeAllVisibleElements)(bsResult, pages, top2)).toEqual(4);
+      });
+    });
+  });
+  describe("moveToEndOfArray", function () {
+    it("works on empty arrays", function () {
+      const data = [];
+      (0, _ui_utils.moveToEndOfArray)(data, function () {});
+      expect(data).toEqual([]);
+    });
+    it("works when moving everything", function () {
+      const data = [1, 2, 3, 4, 5];
+      (0, _ui_utils.moveToEndOfArray)(data, function () {
+        return true;
+      });
+      expect(data).toEqual([1, 2, 3, 4, 5]);
+    });
+    it("works when moving some things", function () {
+      const data = [1, 2, 3, 4, 5];
+      (0, _ui_utils.moveToEndOfArray)(data, function (x) {
+        return x % 2 === 0;
+      });
+      expect(data).toEqual([1, 3, 5, 2, 4]);
+    });
+    it("works when moving one thing", function () {
+      const data = [1, 2, 3, 4, 5];
+      (0, _ui_utils.moveToEndOfArray)(data, function (x) {
+        return x === 1;
+      });
+      expect(data).toEqual([2, 3, 4, 5, 1]);
+    });
+    it("works when moving nothing", function () {
+      const data = [1, 2, 3, 4, 5];
+      (0, _ui_utils.moveToEndOfArray)(data, function (x) {
+        return x === 0;
+      });
+      expect(data).toEqual([1, 2, 3, 4, 5]);
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/unicode_spec.js b/node_modules/pdfjs-dist/lib/test/unit/unicode_spec.js
new file mode 100644
index 00000000..2d92b79f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/unicode_spec.js
@@ -0,0 +1,121 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _glyphlist = require("../../core/glyphlist.js");
+
+var _unicode = require("../../core/unicode.js");
+
+describe("unicode", function () {
+  describe("mapSpecialUnicodeValues", function () {
+    it("should not re-map normal Unicode values", function () {
+      expect((0, _unicode.mapSpecialUnicodeValues)(0x0041)).toEqual(0x0041);
+      expect((0, _unicode.mapSpecialUnicodeValues)(0xfb01)).toEqual(0xfb01);
+    });
+    it("should re-map special Unicode values", function () {
+      expect((0, _unicode.mapSpecialUnicodeValues)(0xf8e9)).toEqual(0x00a9);
+      expect((0, _unicode.mapSpecialUnicodeValues)(0xffff)).toEqual(0);
+    });
+  });
+  describe("getUnicodeForGlyph", function () {
+    var standardMap, dingbatsMap;
+    beforeAll(function (done) {
+      standardMap = (0, _glyphlist.getGlyphsUnicode)();
+      dingbatsMap = (0, _glyphlist.getDingbatsGlyphsUnicode)();
+      done();
+    });
+    afterAll(function () {
+      standardMap = dingbatsMap = null;
+    });
+    it("should get Unicode values for valid glyph names", function () {
+      expect((0, _unicode.getUnicodeForGlyph)("A", standardMap)).toEqual(0x0041);
+      expect((0, _unicode.getUnicodeForGlyph)("a1", dingbatsMap)).toEqual(0x2701);
+    });
+    it("should recover Unicode values from uniXXXX/uXXXX{XX} glyph names", function () {
+      expect((0, _unicode.getUnicodeForGlyph)("uni0041", standardMap)).toEqual(0x0041);
+      expect((0, _unicode.getUnicodeForGlyph)("u0041", standardMap)).toEqual(0x0041);
+      expect((0, _unicode.getUnicodeForGlyph)("uni2701", dingbatsMap)).toEqual(0x2701);
+      expect((0, _unicode.getUnicodeForGlyph)("u2701", dingbatsMap)).toEqual(0x2701);
+    });
+    it("should not get Unicode values for invalid glyph names", function () {
+      expect((0, _unicode.getUnicodeForGlyph)("Qwerty", standardMap)).toEqual(-1);
+      expect((0, _unicode.getUnicodeForGlyph)("Qwerty", dingbatsMap)).toEqual(-1);
+    });
+  });
+  describe("getUnicodeRangeFor", function () {
+    it("should get correct Unicode range", function () {
+      expect((0, _unicode.getUnicodeRangeFor)(0x0041)).toEqual(0);
+      expect((0, _unicode.getUnicodeRangeFor)(0xfb01)).toEqual(62);
+    });
+    it("should not get a Unicode range", function () {
+      expect((0, _unicode.getUnicodeRangeFor)(0x05ff)).toEqual(-1);
+    });
+  });
+  describe("getNormalizedUnicodes", function () {
+    var NormalizedUnicodes;
+    beforeAll(function (done) {
+      NormalizedUnicodes = (0, _unicode.getNormalizedUnicodes)();
+      done();
+    });
+    afterAll(function () {
+      NormalizedUnicodes = null;
+    });
+    it("should get normalized Unicode values for ligatures", function () {
+      expect(NormalizedUnicodes["\uFB01"]).toEqual("fi");
+      expect(NormalizedUnicodes["\u0675"]).toEqual("\u0627\u0674");
+    });
+    it("should not normalize standard characters", function () {
+      expect(NormalizedUnicodes.A).toEqual(undefined);
+    });
+  });
+  describe("reverseIfRtl", function () {
+    var NormalizedUnicodes;
+
+    function getGlyphUnicode(char) {
+      if (NormalizedUnicodes[char] !== undefined) {
+        return NormalizedUnicodes[char];
+      }
+
+      return char;
+    }
+
+    beforeAll(function (done) {
+      NormalizedUnicodes = (0, _unicode.getNormalizedUnicodes)();
+      done();
+    });
+    afterAll(function () {
+      NormalizedUnicodes = null;
+    });
+    it("should not reverse LTR characters", function () {
+      var A = getGlyphUnicode("A");
+      expect((0, _unicode.reverseIfRtl)(A)).toEqual("A");
+      var fi = getGlyphUnicode("\uFB01");
+      expect((0, _unicode.reverseIfRtl)(fi)).toEqual("fi");
+    });
+    it("should reverse RTL characters", function () {
+      var heAlef = getGlyphUnicode("\u05D0");
+      expect((0, _unicode.reverseIfRtl)(heAlef)).toEqual("\u05D0");
+      var arAlef = getGlyphUnicode("\u0675");
+      expect((0, _unicode.reverseIfRtl)(arAlef)).toEqual("\u0674\u0627");
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/util_spec.js b/node_modules/pdfjs-dist/lib/test/unit/util_spec.js
new file mode 100644
index 00000000..1eb3a38e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/util_spec.js
@@ -0,0 +1,242 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _util = require("../../shared/util.js");
+
+describe("util", function () {
+  describe("bytesToString", function () {
+    it("handles non-array arguments", function () {
+      expect(function () {
+        (0, _util.bytesToString)(null);
+      }).toThrow(new Error("Invalid argument for bytesToString"));
+    });
+    it("handles array arguments with a length not exceeding the maximum", function () {
+      expect((0, _util.bytesToString)(new Uint8Array([]))).toEqual("");
+      expect((0, _util.bytesToString)(new Uint8Array([102, 111, 111]))).toEqual("foo");
+    });
+    it("handles array arguments with a length exceeding the maximum", function () {
+      const length = 10000;
+      const bytes = new Uint8Array(length);
+
+      for (let i = 0; i < length; i++) {
+        bytes[i] = "a".charCodeAt(0);
+      }
+
+      const string = Array(length + 1).join("a");
+      expect((0, _util.bytesToString)(bytes)).toEqual(string);
+    });
+  });
+  describe("isArrayBuffer", function () {
+    it("handles array buffer values", function () {
+      expect((0, _util.isArrayBuffer)(new ArrayBuffer(0))).toEqual(true);
+      expect((0, _util.isArrayBuffer)(new Uint8Array(0))).toEqual(true);
+    });
+    it("handles non-array buffer values", function () {
+      expect((0, _util.isArrayBuffer)("true")).toEqual(false);
+      expect((0, _util.isArrayBuffer)(1)).toEqual(false);
+      expect((0, _util.isArrayBuffer)(null)).toEqual(false);
+      expect((0, _util.isArrayBuffer)(undefined)).toEqual(false);
+    });
+  });
+  describe("isBool", function () {
+    it("handles boolean values", function () {
+      expect((0, _util.isBool)(true)).toEqual(true);
+      expect((0, _util.isBool)(false)).toEqual(true);
+    });
+    it("handles non-boolean values", function () {
+      expect((0, _util.isBool)("true")).toEqual(false);
+      expect((0, _util.isBool)("false")).toEqual(false);
+      expect((0, _util.isBool)(1)).toEqual(false);
+      expect((0, _util.isBool)(0)).toEqual(false);
+      expect((0, _util.isBool)(null)).toEqual(false);
+      expect((0, _util.isBool)(undefined)).toEqual(false);
+    });
+  });
+  describe("isNum", function () {
+    it("handles numeric values", function () {
+      expect((0, _util.isNum)(1)).toEqual(true);
+      expect((0, _util.isNum)(0)).toEqual(true);
+      expect((0, _util.isNum)(-1)).toEqual(true);
+      expect((0, _util.isNum)(1000000000000000000)).toEqual(true);
+      expect((0, _util.isNum)(12.34)).toEqual(true);
+    });
+    it("handles non-numeric values", function () {
+      expect((0, _util.isNum)("true")).toEqual(false);
+      expect((0, _util.isNum)(true)).toEqual(false);
+      expect((0, _util.isNum)(null)).toEqual(false);
+      expect((0, _util.isNum)(undefined)).toEqual(false);
+    });
+  });
+  describe("isString", function () {
+    it("handles string values", function () {
+      expect((0, _util.isString)("foo")).toEqual(true);
+      expect((0, _util.isString)("")).toEqual(true);
+    });
+    it("handles non-string values", function () {
+      expect((0, _util.isString)(true)).toEqual(false);
+      expect((0, _util.isString)(1)).toEqual(false);
+      expect((0, _util.isString)(null)).toEqual(false);
+      expect((0, _util.isString)(undefined)).toEqual(false);
+    });
+  });
+  describe("string32", function () {
+    it("converts unsigned 32-bit integers to strings", function () {
+      expect((0, _util.string32)(0x74727565)).toEqual("true");
+      expect((0, _util.string32)(0x74797031)).toEqual("typ1");
+      expect((0, _util.string32)(0x4f54544f)).toEqual("OTTO");
+    });
+  });
+  describe("stringToBytes", function () {
+    it("handles non-string arguments", function () {
+      expect(function () {
+        (0, _util.stringToBytes)(null);
+      }).toThrow(new Error("Invalid argument for stringToBytes"));
+    });
+    it("handles string arguments", function () {
+      expect((0, _util.stringToBytes)("")).toEqual(new Uint8Array([]));
+      expect((0, _util.stringToBytes)("foo")).toEqual(new Uint8Array([102, 111, 111]));
+    });
+  });
+  describe("stringToPDFString", function () {
+    it("handles ISO Latin 1 strings", function () {
+      const str = "\x8Dstring\x8E";
+      expect((0, _util.stringToPDFString)(str)).toEqual("\u201Cstring\u201D");
+    });
+    it("handles UTF-16 big-endian strings", function () {
+      const str = "\xFE\xFF\x00\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00\x67";
+      expect((0, _util.stringToPDFString)(str)).toEqual("string");
+    });
+    it("handles UTF-16 little-endian strings", function () {
+      const str = "\xFF\xFE\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00\x67\x00";
+      expect((0, _util.stringToPDFString)(str)).toEqual("string");
+    });
+    it("handles empty strings", function () {
+      const str1 = "";
+      expect((0, _util.stringToPDFString)(str1)).toEqual("");
+      const str2 = "\xFE\xFF";
+      expect((0, _util.stringToPDFString)(str2)).toEqual("");
+      const str3 = "\xFF\xFE";
+      expect((0, _util.stringToPDFString)(str3)).toEqual("");
+    });
+  });
+  describe("removeNullCharacters", function () {
+    it("should not modify string without null characters", function () {
+      const str = "string without null chars";
+      expect((0, _util.removeNullCharacters)(str)).toEqual("string without null chars");
+    });
+    it("should modify string with null characters", function () {
+      const str = "string\x00With\x00Null\x00Chars";
+      expect((0, _util.removeNullCharacters)(str)).toEqual("stringWithNullChars");
+    });
+  });
+  describe("ReadableStream", function () {
+    it("should return an Object", function () {
+      const readable = new ReadableStream();
+      expect(typeof readable).toEqual("object");
+    });
+    it("should have property getReader", function () {
+      const readable = new ReadableStream();
+      expect(typeof readable.getReader).toEqual("function");
+    });
+  });
+  describe("URL", function () {
+    it("should return an Object", function () {
+      const url = new URL("https://example.com");
+      expect(typeof url).toEqual("object");
+    });
+    it("should have property `href`", function () {
+      const url = new URL("https://example.com");
+      expect(typeof url.href).toEqual("string");
+    });
+  });
+  describe("isSameOrigin", function () {
+    it("handles invalid base URLs", function () {
+      expect((0, _util.isSameOrigin)("/foo", "/bar")).toEqual(false);
+      expect((0, _util.isSameOrigin)("blob:foo", "/bar")).toEqual(false);
+    });
+    it("correctly checks if the origin of both URLs matches", function () {
+      expect((0, _util.isSameOrigin)("https://www.mozilla.org/foo", "https://www.mozilla.org/bar")).toEqual(true);
+      expect((0, _util.isSameOrigin)("https://www.mozilla.org/foo", "https://www.example.com/bar")).toEqual(false);
+    });
+  });
+  describe("createValidAbsoluteUrl", function () {
+    it("handles invalid URLs", function () {
+      expect((0, _util.createValidAbsoluteUrl)(undefined, undefined)).toEqual(null);
+      expect((0, _util.createValidAbsoluteUrl)(null, null)).toEqual(null);
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "/bar")).toEqual(null);
+    });
+    it("handles URLs that do not use an allowed protocol", function () {
+      expect((0, _util.createValidAbsoluteUrl)("magnet:?foo", null)).toEqual(null);
+    });
+    it("correctly creates a valid URL for allowed protocols", function () {
+      expect((0, _util.createValidAbsoluteUrl)("http://www.mozilla.org/foo", null)).toEqual(new URL("http://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "http://www.mozilla.org")).toEqual(new URL("http://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("https://www.mozilla.org/foo", null)).toEqual(new URL("https://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "https://www.mozilla.org")).toEqual(new URL("https://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("ftp://www.mozilla.org/foo", null)).toEqual(new URL("ftp://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "ftp://www.mozilla.org")).toEqual(new URL("ftp://www.mozilla.org/foo"));
+      expect((0, _util.createValidAbsoluteUrl)("mailto:foo@bar.baz", null)).toEqual(new URL("mailto:foo@bar.baz"));
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "mailto:foo@bar.baz")).toEqual(null);
+      expect((0, _util.createValidAbsoluteUrl)("tel:+0123456789", null)).toEqual(new URL("tel:+0123456789"));
+      expect((0, _util.createValidAbsoluteUrl)("/foo", "tel:0123456789")).toEqual(null);
+    });
+  });
+  describe("createPromiseCapability", function () {
+    it("should resolve with correct data", function (done) {
+      const promiseCapability = (0, _util.createPromiseCapability)();
+      expect(promiseCapability.settled).toEqual(false);
+      promiseCapability.resolve({
+        test: "abc"
+      });
+      promiseCapability.promise.then(function (data) {
+        expect(promiseCapability.settled).toEqual(true);
+        expect(data).toEqual({
+          test: "abc"
+        });
+        done();
+      }, done.fail);
+    });
+    it("should reject with correct reason", function (done) {
+      const promiseCapability = (0, _util.createPromiseCapability)();
+      expect(promiseCapability.settled).toEqual(false);
+      promiseCapability.reject(new Error("reason"));
+      promiseCapability.promise.then(done.fail, function (reason) {
+        expect(promiseCapability.settled).toEqual(true);
+        expect(reason instanceof Error).toEqual(true);
+        expect(reason.message).toEqual("reason");
+        done();
+      });
+    });
+  });
+  describe("escapeString", function () {
+    it("should escape (, ) and \\", function () {
+      expect((0, _util.escapeString)("((a\\a))(b(b\\b)b)")).toEqual("\\(\\(a\\\\a\\)\\)\\(b\\(b\\\\b\\)b\\)");
+    });
+  });
+  describe("getModificationDate", function () {
+    it("should get a correctly formatted date", function () {
+      const date = new Date(Date.UTC(3141, 5, 9, 2, 6, 53));
+      expect((0, _util.getModificationDate)(date)).toEqual("31410610020653");
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/test/unit/writer_spec.js b/node_modules/pdfjs-dist/lib/test/unit/writer_spec.js
new file mode 100644
index 00000000..93345324
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/test/unit/writer_spec.js
@@ -0,0 +1,84 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var _primitives = require("../../core/primitives.js");
+
+var _writer = require("../../core/writer.js");
+
+var _util = require("../../shared/util.js");
+
+var _stream = require("../../core/stream.js");
+
+describe("Writer", function () {
+  describe("Incremental update", function () {
+    it("should update a file with new objects", function (done) {
+      const originalData = new Uint8Array();
+      const newRefs = [{
+        ref: _primitives.Ref.get(123, 0x2d),
+        data: "abc\n"
+      }, {
+        ref: _primitives.Ref.get(456, 0x4e),
+        data: "defg\n"
+      }];
+      const xrefInfo = {
+        newRef: _primitives.Ref.get(789, 0),
+        startXRef: 314,
+        fileIds: ["id", ""],
+        rootRef: null,
+        infoRef: null,
+        encrypt: null,
+        filename: "foo.pdf",
+        info: {}
+      };
+      let data = (0, _writer.incrementalUpdate)(originalData, xrefInfo, newRefs);
+      data = (0, _util.bytesToString)(data);
+      const expected = "\nabc\n" + "defg\n" + "789 0 obj\n" + "<< /Size 790 /Prev 314 /Type /XRef /Index [0 1 123 1 456 1 789 1] " + "/ID [(id) (\x01#Eg\x89\xab\xcd\xef\xfe\xdc\xba\x98vT2\x10)] " + "/W [1 1 2] /Length 16>> stream\n" + "\x00\x01\xff\xff" + "\x01\x01\x00\x2d" + "\x01\x05\x00\x4e" + "\x01\x0a\x00\x00\n" + "endstream\n" + "endobj\n" + "startxref\n" + "10\n" + "%%EOF\n";
+      expect(data).toEqual(expected);
+      done();
+    });
+  });
+  describe("writeDict", function () {
+    it("should write a Dict", function (done) {
+      const dict = new _primitives.Dict(null);
+      dict.set("A", _primitives.Name.get("B"));
+      dict.set("B", _primitives.Ref.get(123, 456));
+      dict.set("C", 789);
+      dict.set("D", "hello world");
+      dict.set("E", "(hello\\world)");
+      dict.set("F", [1.23001, 4.50001, 6]);
+      const gdict = new _primitives.Dict(null);
+      gdict.set("H", 123.00001);
+      const string = "a stream";
+      const stream = new _stream.StringStream(string);
+      stream.dict = new _primitives.Dict(null);
+      stream.dict.set("Length", string.length);
+      gdict.set("I", stream);
+      dict.set("G", gdict);
+      const buffer = [];
+      (0, _writer.writeDict)(dict, buffer, null);
+      const expected = "<< /A /B /B 123 456 R /C 789 /D (hello world) " + "/E (\\(hello\\\\world\\)) /F [1.23 4.5 6] " + "/G << /H 123 /I << /Length 8>> stream\n" + "a stream\n" + "endstream\n>>>>";
+      expect(buffer.join("")).toEqual(expected);
+      done();
+    });
+  });
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/annotation_layer_builder.js b/node_modules/pdfjs-dist/lib/web/annotation_layer_builder.js
new file mode 100644
index 00000000..8f789f4e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/annotation_layer_builder.js
@@ -0,0 +1,130 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
+
+var _pdf = require("../pdf");
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_link_service = require("./pdf_link_service.js");
+
+class AnnotationLayerBuilder {
+  constructor({
+    pageDiv,
+    pdfPage,
+    linkService,
+    downloadManager,
+    annotationStorage = null,
+    imageResourcesPath = "",
+    renderInteractiveForms = true,
+    l10n = _ui_utils.NullL10n
+  }) {
+    this.pageDiv = pageDiv;
+    this.pdfPage = pdfPage;
+    this.linkService = linkService;
+    this.downloadManager = downloadManager;
+    this.imageResourcesPath = imageResourcesPath;
+    this.renderInteractiveForms = renderInteractiveForms;
+    this.l10n = l10n;
+    this.annotationStorage = annotationStorage;
+    this.div = null;
+    this._cancelled = false;
+  }
+
+  render(viewport, intent = "display") {
+    return this.pdfPage.getAnnotations({
+      intent
+    }).then(annotations => {
+      if (this._cancelled) {
+        return;
+      }
+
+      if (annotations.length === 0) {
+        return;
+      }
+
+      const parameters = {
+        viewport: viewport.clone({
+          dontFlip: true
+        }),
+        div: this.div,
+        annotations,
+        page: this.pdfPage,
+        imageResourcesPath: this.imageResourcesPath,
+        renderInteractiveForms: this.renderInteractiveForms,
+        linkService: this.linkService,
+        downloadManager: this.downloadManager,
+        annotationStorage: this.annotationStorage
+      };
+
+      if (this.div) {
+        _pdf.AnnotationLayer.update(parameters);
+      } else {
+        this.div = document.createElement("div");
+        this.div.className = "annotationLayer";
+        this.pageDiv.appendChild(this.div);
+        parameters.div = this.div;
+
+        _pdf.AnnotationLayer.render(parameters);
+
+        this.l10n.translate(this.div);
+      }
+    });
+  }
+
+  cancel() {
+    this._cancelled = true;
+  }
+
+  hide() {
+    if (!this.div) {
+      return;
+    }
+
+    this.div.setAttribute("hidden", "true");
+  }
+
+}
+
+exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
+
+class DefaultAnnotationLayerFactory {
+  createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = true, l10n = _ui_utils.NullL10n) {
+    return new AnnotationLayerBuilder({
+      pageDiv,
+      pdfPage,
+      imageResourcesPath,
+      renderInteractiveForms,
+      linkService: new _pdf_link_service.SimpleLinkService(),
+      l10n,
+      annotationStorage
+    });
+  }
+
+}
+
+exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/app.js b/node_modules/pdfjs-dist/lib/web/app.js
new file mode 100644
index 00000000..fb0e1877
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/app.js
@@ -0,0 +1,2716 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _app_options = require("./app_options.js");
+
+var _pdf = require("../pdf");
+
+var _pdf_cursor_tools = require("./pdf_cursor_tools.js");
+
+var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
+
+var _pdf_sidebar = require("./pdf_sidebar.js");
+
+var _overlay_manager = require("./overlay_manager.js");
+
+var _password_prompt = require("./password_prompt.js");
+
+var _pdf_attachment_viewer = require("./pdf_attachment_viewer.js");
+
+var _pdf_document_properties = require("./pdf_document_properties.js");
+
+var _pdf_find_bar = require("./pdf_find_bar.js");
+
+var _pdf_find_controller = require("./pdf_find_controller.js");
+
+var _pdf_history = require("./pdf_history.js");
+
+var _pdf_layer_viewer = require("./pdf_layer_viewer.js");
+
+var _pdf_link_service = require("./pdf_link_service.js");
+
+var _pdf_outline_viewer = require("./pdf_outline_viewer.js");
+
+var _pdf_presentation_mode = require("./pdf_presentation_mode.js");
+
+var _pdf_sidebar_resizer = require("./pdf_sidebar_resizer.js");
+
+var _pdf_thumbnail_viewer = require("./pdf_thumbnail_viewer.js");
+
+var _pdf_viewer = require("./pdf_viewer.js");
+
+var _secondary_toolbar = require("./secondary_toolbar.js");
+
+var _toolbar = require("./toolbar.js");
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+var _view_history = require("./view_history.js");
+
+const DEFAULT_SCALE_DELTA = 1.1;
+const DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
+const FORCE_PAGES_LOADED_TIMEOUT = 10000;
+const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
+const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
+const ViewOnLoad = {
+  UNKNOWN: -1,
+  PREVIOUS: 0,
+  INITIAL: 1
+};
+const KNOWN_VERSIONS = ["1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2.0", "2.1", "2.2", "2.3"];
+const KNOWN_GENERATORS = ["acrobat distiller", "acrobat pdfwriter", "adobe livecycle", "adobe pdf library", "adobe photoshop", "ghostscript", "tcpdf", "cairo", "dvipdfm", "dvips", "pdftex", "pdfkit", "itext", "prince", "quarkxpress", "mac os x", "microsoft", "openoffice", "oracle", "luradocument", "pdf-xchange", "antenna house", "aspose.cells", "fpdf"];
+
+class DefaultExternalServices {
+  constructor() {
+    throw new Error("Cannot initialize DefaultExternalServices.");
+  }
+
+  static updateFindControlState(data) {}
+
+  static updateFindMatchesCount(data) {}
+
+  static initPassiveLoading(callbacks) {}
+
+  static fallback(data, callback) {}
+
+  static reportTelemetry(data) {}
+
+  static createDownloadManager(options) {
+    throw new Error("Not implemented: createDownloadManager");
+  }
+
+  static createPreferences() {
+    throw new Error("Not implemented: createPreferences");
+  }
+
+  static createL10n(options) {
+    throw new Error("Not implemented: createL10n");
+  }
+
+  static get supportsIntegratedFind() {
+    return (0, _pdf.shadow)(this, "supportsIntegratedFind", false);
+  }
+
+  static get supportsDocumentFonts() {
+    return (0, _pdf.shadow)(this, "supportsDocumentFonts", true);
+  }
+
+  static get supportedMouseWheelZoomModifierKeys() {
+    return (0, _pdf.shadow)(this, "supportedMouseWheelZoomModifierKeys", {
+      ctrlKey: true,
+      metaKey: true
+    });
+  }
+
+  static get isInAutomation() {
+    return (0, _pdf.shadow)(this, "isInAutomation", false);
+  }
+
+}
+
+exports.DefaultExternalServices = DefaultExternalServices;
+const PDFViewerApplication = {
+  initialBookmark: document.location.hash.substring(1),
+  _initializedCapability: (0, _pdf.createPromiseCapability)(),
+  fellback: false,
+  appConfig: null,
+  pdfDocument: null,
+  pdfLoadingTask: null,
+  printService: null,
+  pdfViewer: null,
+  pdfThumbnailViewer: null,
+  pdfRenderingQueue: null,
+  pdfPresentationMode: null,
+  pdfDocumentProperties: null,
+  pdfLinkService: null,
+  pdfHistory: null,
+  pdfSidebar: null,
+  pdfSidebarResizer: null,
+  pdfOutlineViewer: null,
+  pdfAttachmentViewer: null,
+  pdfLayerViewer: null,
+  pdfCursorTools: null,
+  store: null,
+  downloadManager: null,
+  overlayManager: null,
+  preferences: null,
+  toolbar: null,
+  secondaryToolbar: null,
+  eventBus: null,
+  l10n: null,
+  isInitialViewSet: false,
+  downloadComplete: false,
+  isViewerEmbedded: window.parent !== window,
+  url: "",
+  baseUrl: "",
+  externalServices: DefaultExternalServices,
+  _boundEvents: {},
+  contentDispositionFilename: null,
+  triggerDelayedFallback: null,
+  _saveInProgress: false,
+  _wheelUnusedTicks: 0,
+
+  async initialize(appConfig) {
+    this.preferences = this.externalServices.createPreferences();
+    this.appConfig = appConfig;
+    await this._readPreferences();
+    await this._parseHashParameters();
+    await this._initializeL10n();
+
+    if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdf.LinkTarget.NONE) {
+      _app_options.AppOptions.set("externalLinkTarget", _pdf.LinkTarget.TOP);
+    }
+
+    await this._initializeViewerComponents();
+    this.bindEvents();
+    this.bindWindowEvents();
+    const appContainer = appConfig.appContainer || document.documentElement;
+    this.l10n.translate(appContainer).then(() => {
+      this.eventBus.dispatch("localized", {
+        source: this
+      });
+    });
+
+    this._initializedCapability.resolve();
+  },
+
+  async _readPreferences() {
+    if (_app_options.AppOptions.get("disablePreferences")) {
+      return;
+    }
+
+    try {
+      const prefs = await this.preferences.getAll();
+
+      for (const name in prefs) {
+        _app_options.AppOptions.set(name, prefs[name]);
+      }
+    } catch (reason) {
+      console.error(`_readPreferences: "${reason.message}".`);
+    }
+  },
+
+  async _parseHashParameters() {
+    if (!_app_options.AppOptions.get("pdfBugEnabled")) {
+      return undefined;
+    }
+
+    const hash = document.location.hash.substring(1);
+
+    if (!hash) {
+      return undefined;
+    }
+
+    const hashParams = (0, _ui_utils.parseQueryString)(hash),
+          waitOn = [];
+
+    if ("disableworker" in hashParams && hashParams.disableworker === "true") {
+      waitOn.push(loadFakeWorker());
+    }
+
+    if ("disablerange" in hashParams) {
+      _app_options.AppOptions.set("disableRange", hashParams.disablerange === "true");
+    }
+
+    if ("disablestream" in hashParams) {
+      _app_options.AppOptions.set("disableStream", hashParams.disablestream === "true");
+    }
+
+    if ("disableautofetch" in hashParams) {
+      _app_options.AppOptions.set("disableAutoFetch", hashParams.disableautofetch === "true");
+    }
+
+    if ("disablefontface" in hashParams) {
+      _app_options.AppOptions.set("disableFontFace", hashParams.disablefontface === "true");
+    }
+
+    if ("disablehistory" in hashParams) {
+      _app_options.AppOptions.set("disableHistory", hashParams.disablehistory === "true");
+    }
+
+    if ("webgl" in hashParams) {
+      _app_options.AppOptions.set("enableWebGL", hashParams.webgl === "true");
+    }
+
+    if ("verbosity" in hashParams) {
+      _app_options.AppOptions.set("verbosity", hashParams.verbosity | 0);
+    }
+
+    if ("textlayer" in hashParams) {
+      switch (hashParams.textlayer) {
+        case "off":
+          _app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE);
+
+          break;
+
+        case "visible":
+        case "shadow":
+        case "hover":
+          const viewer = this.appConfig.viewerContainer;
+          viewer.classList.add("textLayer-" + hashParams.textlayer);
+          break;
+      }
+    }
+
+    if ("pdfbug" in hashParams) {
+      _app_options.AppOptions.set("pdfBug", true);
+
+      _app_options.AppOptions.set("fontExtraProperties", true);
+
+      const enabled = hashParams.pdfbug.split(",");
+      waitOn.push(loadAndEnablePDFBug(enabled));
+    }
+
+    if ("locale" in hashParams) {
+      _app_options.AppOptions.set("locale", hashParams.locale);
+    }
+
+    return Promise.all(waitOn).catch(reason => {
+      console.error(`_parseHashParameters: "${reason.message}".`);
+    });
+  },
+
+  async _initializeL10n() {
+    this.l10n = this.externalServices.createL10n({
+      locale: _app_options.AppOptions.get("locale")
+    });
+    const dir = await this.l10n.getDirection();
+    document.getElementsByTagName("html")[0].dir = dir;
+  },
+
+  async _initializeViewerComponents() {
+    const appConfig = this.appConfig;
+    const eventBus = appConfig.eventBus || new _ui_utils.EventBus({
+      isInAutomation: this.externalServices.isInAutomation
+    });
+    this.eventBus = eventBus;
+    this.overlayManager = new _overlay_manager.OverlayManager();
+    const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
+    pdfRenderingQueue.onIdle = this.cleanup.bind(this);
+    this.pdfRenderingQueue = pdfRenderingQueue;
+    const pdfLinkService = new _pdf_link_service.PDFLinkService({
+      eventBus,
+      externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"),
+      externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
+      ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom")
+    });
+    this.pdfLinkService = pdfLinkService;
+    const downloadManager = this.externalServices.createDownloadManager();
+    this.downloadManager = downloadManager;
+    const findController = new _pdf_find_controller.PDFFindController({
+      linkService: pdfLinkService,
+      eventBus
+    });
+    this.findController = findController;
+    const container = appConfig.mainContainer;
+    const viewer = appConfig.viewerContainer;
+    this.pdfViewer = new _pdf_viewer.PDFViewer({
+      container,
+      viewer,
+      eventBus,
+      renderingQueue: pdfRenderingQueue,
+      linkService: pdfLinkService,
+      downloadManager,
+      findController,
+      renderer: _app_options.AppOptions.get("renderer"),
+      enableWebGL: _app_options.AppOptions.get("enableWebGL"),
+      l10n: this.l10n,
+      textLayerMode: _app_options.AppOptions.get("textLayerMode"),
+      imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"),
+      renderInteractiveForms: _app_options.AppOptions.get("renderInteractiveForms"),
+      enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"),
+      useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
+      maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels")
+    });
+    pdfRenderingQueue.setViewer(this.pdfViewer);
+    pdfLinkService.setViewer(this.pdfViewer);
+    this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
+      container: appConfig.sidebar.thumbnailView,
+      eventBus,
+      renderingQueue: pdfRenderingQueue,
+      linkService: pdfLinkService,
+      l10n: this.l10n
+    });
+    pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
+    this.pdfHistory = new _pdf_history.PDFHistory({
+      linkService: pdfLinkService,
+      eventBus
+    });
+    pdfLinkService.setHistory(this.pdfHistory);
+
+    if (!this.supportsIntegratedFind) {
+      this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
+    }
+
+    this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
+    this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
+      container,
+      eventBus,
+      cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad")
+    });
+    this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
+    this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
+
+    if (this.supportsFullscreen) {
+      this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
+        container,
+        pdfViewer: this.pdfViewer,
+        eventBus,
+        contextMenuItems: appConfig.fullscreen
+      });
+    }
+
+    this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
+    this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
+      container: appConfig.sidebar.outlineView,
+      eventBus,
+      linkService: pdfLinkService
+    });
+    this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
+      container: appConfig.sidebar.attachmentsView,
+      eventBus,
+      downloadManager
+    });
+    this.pdfLayerViewer = new _pdf_layer_viewer.PDFLayerViewer({
+      container: appConfig.sidebar.layersView,
+      eventBus,
+      l10n: this.l10n
+    });
+    this.pdfSidebar = new _pdf_sidebar.PDFSidebar({
+      elements: appConfig.sidebar,
+      pdfViewer: this.pdfViewer,
+      pdfThumbnailViewer: this.pdfThumbnailViewer,
+      eventBus,
+      l10n: this.l10n
+    });
+    this.pdfSidebar.onToggled = this.forceRendering.bind(this);
+    this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
+  },
+
+  run(config) {
+    this.initialize(config).then(webViewerInitialized);
+  },
+
+  get initialized() {
+    return this._initializedCapability.settled;
+  },
+
+  get initializedPromise() {
+    return this._initializedCapability.promise;
+  },
+
+  zoomIn(ticks) {
+    if (this.pdfViewer.isInPresentationMode) {
+      return;
+    }
+
+    let newScale = this.pdfViewer.currentScale;
+
+    do {
+      newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
+      newScale = Math.ceil(newScale * 10) / 10;
+      newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
+    } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
+
+    this.pdfViewer.currentScaleValue = newScale;
+  },
+
+  zoomOut(ticks) {
+    if (this.pdfViewer.isInPresentationMode) {
+      return;
+    }
+
+    let newScale = this.pdfViewer.currentScale;
+
+    do {
+      newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
+      newScale = Math.floor(newScale * 10) / 10;
+      newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
+    } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
+
+    this.pdfViewer.currentScaleValue = newScale;
+  },
+
+  zoomReset() {
+    if (this.pdfViewer.isInPresentationMode) {
+      return;
+    }
+
+    this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+  },
+
+  get pagesCount() {
+    return this.pdfDocument ? this.pdfDocument.numPages : 0;
+  },
+
+  get page() {
+    return this.pdfViewer.currentPageNumber;
+  },
+
+  set page(val) {
+    this.pdfViewer.currentPageNumber = val;
+  },
+
+  get printing() {
+    return !!this.printService;
+  },
+
+  get supportsPrinting() {
+    return PDFPrintServiceFactory.instance.supportsPrinting;
+  },
+
+  get supportsFullscreen() {
+    let support;
+    const doc = document.documentElement;
+    support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
+
+    if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
+      support = false;
+    }
+
+    return (0, _pdf.shadow)(this, "supportsFullscreen", support);
+  },
+
+  get supportsIntegratedFind() {
+    return this.externalServices.supportsIntegratedFind;
+  },
+
+  get supportsDocumentFonts() {
+    return this.externalServices.supportsDocumentFonts;
+  },
+
+  get loadingBar() {
+    const bar = new _ui_utils.ProgressBar("#loadingBar");
+    return (0, _pdf.shadow)(this, "loadingBar", bar);
+  },
+
+  get supportedMouseWheelZoomModifierKeys() {
+    return this.externalServices.supportedMouseWheelZoomModifierKeys;
+  },
+
+  initPassiveLoading() {
+    throw new Error("Not implemented: initPassiveLoading");
+  },
+
+  setTitleUsingUrl(url = "") {
+    this.url = url;
+    this.baseUrl = url.split("#")[0];
+    let title = (0, _ui_utils.getPDFFileNameFromURL)(url, "");
+
+    if (!title) {
+      try {
+        title = decodeURIComponent((0, _pdf.getFilenameFromUrl)(url)) || url;
+      } catch (ex) {
+        title = url;
+      }
+    }
+
+    this.setTitle(title);
+  },
+
+  setTitle(title) {
+    if (this.isViewerEmbedded) {
+      return;
+    }
+
+    document.title = title;
+  },
+
+  async close() {
+    const errorWrapper = this.appConfig.errorWrapper.container;
+    errorWrapper.setAttribute("hidden", "true");
+
+    if (!this.pdfLoadingTask) {
+      return undefined;
+    }
+
+    const promise = this.pdfLoadingTask.destroy();
+    this.pdfLoadingTask = null;
+
+    if (this.pdfDocument) {
+      this.pdfDocument = null;
+      this.pdfThumbnailViewer.setDocument(null);
+      this.pdfViewer.setDocument(null);
+      this.pdfLinkService.setDocument(null);
+      this.pdfDocumentProperties.setDocument(null);
+    }
+
+    webViewerResetPermissions();
+    this.store = null;
+    this.isInitialViewSet = false;
+    this.downloadComplete = false;
+    this.url = "";
+    this.baseUrl = "";
+    this.contentDispositionFilename = null;
+    this.triggerDelayedFallback = null;
+    this._saveInProgress = false;
+    this.pdfSidebar.reset();
+    this.pdfOutlineViewer.reset();
+    this.pdfAttachmentViewer.reset();
+    this.pdfLayerViewer.reset();
+
+    if (this.pdfHistory) {
+      this.pdfHistory.reset();
+    }
+
+    if (this.findBar) {
+      this.findBar.reset();
+    }
+
+    this.toolbar.reset();
+    this.secondaryToolbar.reset();
+
+    if (typeof PDFBug !== "undefined") {
+      PDFBug.cleanup();
+    }
+
+    return promise;
+  },
+
+  async open(file, args) {
+    if (this.pdfLoadingTask) {
+      await this.close();
+    }
+
+    const workerParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER);
+
+    for (const key in workerParameters) {
+      _pdf.GlobalWorkerOptions[key] = workerParameters[key];
+    }
+
+    const parameters = Object.create(null);
+
+    if (typeof file === "string") {
+      this.setTitleUsingUrl(file);
+      parameters.url = file;
+    } else if (file && "byteLength" in file) {
+      parameters.data = file;
+    } else if (file.url && file.originalUrl) {
+      this.setTitleUsingUrl(file.originalUrl);
+      parameters.url = file.url;
+    }
+
+    const apiParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.API);
+
+    for (const key in apiParameters) {
+      let value = apiParameters[key];
+
+      if (key === "docBaseUrl" && !value) {}
+
+      parameters[key] = value;
+    }
+
+    if (args) {
+      for (const key in args) {
+        const value = args[key];
+
+        if (key === "length") {
+          this.pdfDocumentProperties.setFileSize(value);
+        }
+
+        parameters[key] = value;
+      }
+    }
+
+    const loadingTask = (0, _pdf.getDocument)(parameters);
+    this.pdfLoadingTask = loadingTask;
+
+    loadingTask.onPassword = (updateCallback, reason) => {
+      this.pdfLinkService.externalLinkEnabled = false;
+      this.passwordPrompt.setUpdateCallback(updateCallback, reason);
+      this.passwordPrompt.open();
+    };
+
+    loadingTask.onProgress = ({
+      loaded,
+      total
+    }) => {
+      this.progress(loaded / total);
+    };
+
+    loadingTask.onUnsupportedFeature = this.fallback.bind(this);
+    return loadingTask.promise.then(pdfDocument => {
+      this.load(pdfDocument);
+    }, exception => {
+      if (loadingTask !== this.pdfLoadingTask) {
+        return undefined;
+      }
+
+      const message = exception && exception.message;
+      let loadingErrorMessage;
+
+      if (exception instanceof _pdf.InvalidPDFException) {
+        loadingErrorMessage = this.l10n.get("invalid_file_error", null, "Invalid or corrupted PDF file.");
+      } else if (exception instanceof _pdf.MissingPDFException) {
+        loadingErrorMessage = this.l10n.get("missing_file_error", null, "Missing PDF file.");
+      } else if (exception instanceof _pdf.UnexpectedResponseException) {
+        loadingErrorMessage = this.l10n.get("unexpected_response_error", null, "Unexpected server response.");
+      } else {
+        loadingErrorMessage = this.l10n.get("loading_error", null, "An error occurred while loading the PDF.");
+      }
+
+      return loadingErrorMessage.then(msg => {
+        this.error(msg, {
+          message
+        });
+        throw exception;
+      });
+    });
+  },
+
+  download({
+    sourceEventType = "download"
+  } = {}) {
+    function downloadByUrl() {
+      downloadManager.downloadUrl(url, filename);
+    }
+
+    const url = this.baseUrl;
+    const filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
+    const downloadManager = this.downloadManager;
+
+    downloadManager.onerror = err => {
+      this.error(`PDF failed to download: ${err}`);
+    };
+
+    if (!this.pdfDocument || !this.downloadComplete) {
+      downloadByUrl();
+      return;
+    }
+
+    this.pdfDocument.getData().then(function (data) {
+      const blob = new Blob([data], {
+        type: "application/pdf"
+      });
+      downloadManager.download(blob, url, filename, sourceEventType);
+    }).catch(downloadByUrl);
+  },
+
+  save({
+    sourceEventType = "download"
+  } = {}) {
+    if (this._saveInProgress) {
+      return;
+    }
+
+    const url = this.baseUrl;
+    const filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
+    const downloadManager = this.downloadManager;
+
+    downloadManager.onerror = err => {
+      this.error(`PDF failed to be saved: ${err}`);
+    };
+
+    if (!this.pdfDocument || !this.downloadComplete) {
+      this.download({
+        sourceEventType
+      });
+      return;
+    }
+
+    this._saveInProgress = true;
+    this.pdfDocument.saveDocument(this.pdfDocument.annotationStorage).then(data => {
+      const blob = new Blob([data], {
+        type: "application/pdf"
+      });
+      downloadManager.download(blob, url, filename, sourceEventType);
+    }).catch(() => {
+      this.download({
+        sourceEventType
+      });
+    }).finally(() => {
+      this._saveInProgress = false;
+    });
+  },
+
+  _delayedFallback(featureId) {
+    this.externalServices.reportTelemetry({
+      type: "unsupportedFeature",
+      featureId
+    });
+
+    if (!this.triggerDelayedFallback) {
+      this.triggerDelayedFallback = () => {
+        this.fallback(featureId);
+        this.triggerDelayedFallback = null;
+      };
+    }
+  },
+
+  fallback(featureId) {
+    this.externalServices.reportTelemetry({
+      type: "unsupportedFeature",
+      featureId
+    });
+
+    if (this.fellback) {
+      return;
+    }
+
+    this.fellback = true;
+    this.externalServices.fallback({
+      featureId,
+      url: this.baseUrl
+    }, function response(download) {
+      if (!download) {
+        return;
+      }
+
+      PDFViewerApplication.download({
+        sourceEventType: "download"
+      });
+    });
+  },
+
+  error(message, moreInfo) {
+    const moreInfoText = [this.l10n.get("error_version_info", {
+      version: _pdf.version || "?",
+      build: _pdf.build || "?"
+    }, "PDF.js v{{version}} (build: {{build}})")];
+
+    if (moreInfo) {
+      moreInfoText.push(this.l10n.get("error_message", {
+        message: moreInfo.message
+      }, "Message: {{message}}"));
+
+      if (moreInfo.stack) {
+        moreInfoText.push(this.l10n.get("error_stack", {
+          stack: moreInfo.stack
+        }, "Stack: {{stack}}"));
+      } else {
+        if (moreInfo.filename) {
+          moreInfoText.push(this.l10n.get("error_file", {
+            file: moreInfo.filename
+          }, "File: {{file}}"));
+        }
+
+        if (moreInfo.lineNumber) {
+          moreInfoText.push(this.l10n.get("error_line", {
+            line: moreInfo.lineNumber
+          }, "Line: {{line}}"));
+        }
+      }
+    }
+
+    const errorWrapperConfig = this.appConfig.errorWrapper;
+    const errorWrapper = errorWrapperConfig.container;
+    errorWrapper.removeAttribute("hidden");
+    const errorMessage = errorWrapperConfig.errorMessage;
+    errorMessage.textContent = message;
+    const closeButton = errorWrapperConfig.closeButton;
+
+    closeButton.onclick = function () {
+      errorWrapper.setAttribute("hidden", "true");
+    };
+
+    const errorMoreInfo = errorWrapperConfig.errorMoreInfo;
+    const moreInfoButton = errorWrapperConfig.moreInfoButton;
+    const lessInfoButton = errorWrapperConfig.lessInfoButton;
+
+    moreInfoButton.onclick = function () {
+      errorMoreInfo.removeAttribute("hidden");
+      moreInfoButton.setAttribute("hidden", "true");
+      lessInfoButton.removeAttribute("hidden");
+      errorMoreInfo.style.height = errorMoreInfo.scrollHeight + "px";
+    };
+
+    lessInfoButton.onclick = function () {
+      errorMoreInfo.setAttribute("hidden", "true");
+      moreInfoButton.removeAttribute("hidden");
+      lessInfoButton.setAttribute("hidden", "true");
+    };
+
+    moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
+    lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
+    closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
+    moreInfoButton.removeAttribute("hidden");
+    lessInfoButton.setAttribute("hidden", "true");
+    Promise.all(moreInfoText).then(parts => {
+      errorMoreInfo.value = parts.join("\n");
+    });
+  },
+
+  progress(level) {
+    if (this.downloadComplete) {
+      return;
+    }
+
+    const percent = Math.round(level * 100);
+
+    if (percent > this.loadingBar.percent || isNaN(percent)) {
+      this.loadingBar.percent = percent;
+      const disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams.disableAutoFetch : _app_options.AppOptions.get("disableAutoFetch");
+
+      if (disableAutoFetch && percent) {
+        if (this.disableAutoFetchLoadingBarTimeout) {
+          clearTimeout(this.disableAutoFetchLoadingBarTimeout);
+          this.disableAutoFetchLoadingBarTimeout = null;
+        }
+
+        this.loadingBar.show();
+        this.disableAutoFetchLoadingBarTimeout = setTimeout(() => {
+          this.loadingBar.hide();
+          this.disableAutoFetchLoadingBarTimeout = null;
+        }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
+      }
+    }
+  },
+
+  load(pdfDocument) {
+    this.pdfDocument = pdfDocument;
+    pdfDocument.getDownloadInfo().then(() => {
+      this.downloadComplete = true;
+      this.loadingBar.hide();
+      firstPagePromise.then(() => {
+        this.eventBus.dispatch("documentloaded", {
+          source: this
+        });
+      });
+    });
+    const pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {});
+    const pageModePromise = pdfDocument.getPageMode().catch(function () {});
+    const openActionPromise = pdfDocument.getOpenAction().catch(function () {});
+    this.toolbar.setPagesCount(pdfDocument.numPages, false);
+    this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
+    let baseDocumentUrl;
+    baseDocumentUrl = null;
+    this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
+    this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
+    const annotationStorage = pdfDocument.annotationStorage;
+
+    annotationStorage.onSetModified = function () {
+      window.addEventListener("beforeunload", beforeUnload);
+    };
+
+    annotationStorage.onResetModified = function () {
+      window.removeEventListener("beforeunload", beforeUnload);
+    };
+
+    const pdfViewer = this.pdfViewer;
+    pdfViewer.setDocument(pdfDocument);
+    const {
+      firstPagePromise,
+      onePageRendered,
+      pagesPromise
+    } = pdfViewer;
+    const pdfThumbnailViewer = this.pdfThumbnailViewer;
+    pdfThumbnailViewer.setDocument(pdfDocument);
+    const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprint)).getMultiple({
+      page: null,
+      zoom: _ui_utils.DEFAULT_SCALE_VALUE,
+      scrollLeft: "0",
+      scrollTop: "0",
+      rotation: null,
+      sidebarView: _pdf_sidebar.SidebarView.UNKNOWN,
+      scrollMode: _ui_utils.ScrollMode.UNKNOWN,
+      spreadMode: _ui_utils.SpreadMode.UNKNOWN
+    }).catch(() => {
+      return Object.create(null);
+    });
+    firstPagePromise.then(pdfPage => {
+      this.loadingBar.setWidth(this.appConfig.viewerContainer);
+      Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
+        const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
+
+        this._initializePdfHistory({
+          fingerprint: pdfDocument.fingerprint,
+          viewOnLoad,
+          initialDest: openAction && openAction.dest
+        });
+
+        const initialBookmark = this.initialBookmark;
+
+        const zoom = _app_options.AppOptions.get("defaultZoomValue");
+
+        let hash = zoom ? `zoom=${zoom}` : null;
+        let rotation = null;
+
+        let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad");
+
+        let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad");
+
+        let spreadMode = _app_options.AppOptions.get("spreadModeOnLoad");
+
+        if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
+          hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
+          rotation = parseInt(stored.rotation, 10);
+
+          if (sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
+            sidebarView = stored.sidebarView | 0;
+          }
+
+          if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
+            scrollMode = stored.scrollMode | 0;
+          }
+
+          if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
+            spreadMode = stored.spreadMode | 0;
+          }
+        }
+
+        if (pageMode && sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
+          sidebarView = apiPageModeToSidebarView(pageMode);
+        }
+
+        if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
+          spreadMode = apiPageLayoutToSpreadMode(pageLayout);
+        }
+
+        this.setInitialView(hash, {
+          rotation,
+          sidebarView,
+          scrollMode,
+          spreadMode
+        });
+        this.eventBus.dispatch("documentinit", {
+          source: this
+        });
+
+        if (!this.isViewerEmbedded) {
+          pdfViewer.focus();
+        }
+
+        this._initializePermissions(pdfDocument);
+
+        await Promise.race([pagesPromise, new Promise(resolve => {
+          setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
+        })]);
+
+        if (!initialBookmark && !hash) {
+          return;
+        }
+
+        if (pdfViewer.hasEqualPageSizes) {
+          return;
+        }
+
+        this.initialBookmark = initialBookmark;
+        pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
+        this.setInitialView(hash);
+      }).catch(() => {
+        this.setInitialView();
+      }).then(function () {
+        pdfViewer.update();
+      });
+    });
+    pagesPromise.then(() => {
+      this._initializeAutoPrint(pdfDocument, openActionPromise);
+    });
+    onePageRendered.then(() => {
+      pdfDocument.getOutline().then(outline => {
+        this.pdfOutlineViewer.render({
+          outline
+        });
+      });
+      pdfDocument.getAttachments().then(attachments => {
+        this.pdfAttachmentViewer.render({
+          attachments
+        });
+      });
+      pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
+        this.pdfLayerViewer.render({
+          optionalContentConfig,
+          pdfDocument
+        });
+      });
+    });
+
+    this._initializePageLabels(pdfDocument);
+
+    this._initializeMetadata(pdfDocument);
+  },
+
+  async _initializeAutoPrint(pdfDocument, openActionPromise) {
+    const [openAction, javaScript] = await Promise.all([openActionPromise, pdfDocument.getJavaScript()]);
+
+    if (pdfDocument !== this.pdfDocument) {
+      return;
+    }
+
+    let triggerAutoPrint = false;
+
+    if (openAction && openAction.action === "Print") {
+      triggerAutoPrint = true;
+    }
+
+    if (javaScript) {
+      javaScript.some(js => {
+        if (!js) {
+          return false;
+        }
+
+        console.warn("Warning: JavaScript is not supported");
+
+        this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.javaScript);
+
+        return true;
+      });
+
+      if (!triggerAutoPrint) {
+        for (const js of javaScript) {
+          if (js && _ui_utils.AutoPrintRegExp.test(js)) {
+            triggerAutoPrint = true;
+            break;
+          }
+        }
+      }
+    }
+
+    if (!this.supportsPrinting) {
+      return;
+    }
+
+    if (triggerAutoPrint) {
+      setTimeout(function () {
+        window.print();
+      });
+    }
+  },
+
+  async _initializeMetadata(pdfDocument) {
+    const {
+      info,
+      metadata,
+      contentDispositionFilename
+    } = await pdfDocument.getMetadata();
+
+    if (pdfDocument !== this.pdfDocument) {
+      return;
+    }
+
+    this.documentInfo = info;
+    this.metadata = metadata;
+    this.contentDispositionFilename = contentDispositionFilename;
+    console.log(`PDF ${pdfDocument.fingerprint} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdf.version || "-"}` + `${this.pdfViewer.enableWebGL ? " [WebGL]" : ""})`);
+    let pdfTitle;
+    const infoTitle = info && info.Title;
+
+    if (infoTitle) {
+      pdfTitle = infoTitle;
+    }
+
+    const metadataTitle = metadata && metadata.get("dc:title");
+
+    if (metadataTitle) {
+      if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
+        pdfTitle = metadataTitle;
+      }
+    }
+
+    if (pdfTitle) {
+      this.setTitle(`${pdfTitle} - ${contentDispositionFilename || document.title}`);
+    } else if (contentDispositionFilename) {
+      this.setTitle(contentDispositionFilename);
+    }
+
+    if (info.IsXFAPresent && !info.IsAcroFormPresent) {
+      console.warn("Warning: XFA is not supported");
+
+      this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.forms);
+    } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderInteractiveForms) {
+      console.warn("Warning: Interactive form support is not enabled");
+
+      this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.forms);
+    }
+
+    let versionId = "other";
+
+    if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
+      versionId = `v${info.PDFFormatVersion.replace(".", "_")}`;
+    }
+
+    let generatorId = "other";
+
+    if (info.Producer) {
+      const producer = info.Producer.toLowerCase();
+      KNOWN_GENERATORS.some(function (generator) {
+        if (!producer.includes(generator)) {
+          return false;
+        }
+
+        generatorId = generator.replace(/[ .\-]/g, "_");
+        return true;
+      });
+    }
+
+    let formType = null;
+
+    if (info.IsXFAPresent) {
+      formType = "xfa";
+    } else if (info.IsAcroFormPresent) {
+      formType = "acroform";
+    }
+
+    this.externalServices.reportTelemetry({
+      type: "documentInfo",
+      version: versionId,
+      generator: generatorId,
+      formType
+    });
+  },
+
+  async _initializePageLabels(pdfDocument) {
+    const labels = await pdfDocument.getPageLabels();
+
+    if (pdfDocument !== this.pdfDocument) {
+      return;
+    }
+
+    if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
+      return;
+    }
+
+    const numLabels = labels.length;
+
+    if (numLabels !== this.pagesCount) {
+      console.error("The number of Page Labels does not match the number of pages in the document.");
+      return;
+    }
+
+    let i = 0;
+
+    while (i < numLabels && labels[i] === (i + 1).toString()) {
+      i++;
+    }
+
+    if (i === numLabels) {
+      return;
+    }
+
+    const {
+      pdfViewer,
+      pdfThumbnailViewer,
+      toolbar
+    } = this;
+    pdfViewer.setPageLabels(labels);
+    pdfThumbnailViewer.setPageLabels(labels);
+    toolbar.setPagesCount(numLabels, true);
+    toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+  },
+
+  _initializePdfHistory({
+    fingerprint,
+    viewOnLoad,
+    initialDest = null
+  }) {
+    if (this.isViewerEmbedded || _app_options.AppOptions.get("disableHistory")) {
+      return;
+    }
+
+    this.pdfHistory.initialize({
+      fingerprint,
+      resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
+      updateUrl: _app_options.AppOptions.get("historyUpdateUrl")
+    });
+
+    if (this.pdfHistory.initialBookmark) {
+      this.initialBookmark = this.pdfHistory.initialBookmark;
+      this.initialRotation = this.pdfHistory.initialRotation;
+    }
+
+    if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
+      this.initialBookmark = JSON.stringify(initialDest);
+      this.pdfHistory.push({
+        explicitDest: initialDest,
+        pageNumber: null
+      });
+    }
+  },
+
+  async _initializePermissions(pdfDocument) {
+    const permissions = await pdfDocument.getPermissions();
+
+    if (pdfDocument !== this.pdfDocument) {
+      return;
+    }
+
+    if (!permissions || !_app_options.AppOptions.get("enablePermissions")) {
+      return;
+    }
+
+    if (!permissions.includes(_pdf.PermissionFlag.COPY)) {
+      this.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS);
+    }
+  },
+
+  setInitialView(storedHash, {
+    rotation,
+    sidebarView,
+    scrollMode,
+    spreadMode
+  } = {}) {
+    const setRotation = angle => {
+      if ((0, _ui_utils.isValidRotation)(angle)) {
+        this.pdfViewer.pagesRotation = angle;
+      }
+    };
+
+    const setViewerModes = (scroll, spread) => {
+      if ((0, _ui_utils.isValidScrollMode)(scroll)) {
+        this.pdfViewer.scrollMode = scroll;
+      }
+
+      if ((0, _ui_utils.isValidSpreadMode)(spread)) {
+        this.pdfViewer.spreadMode = spread;
+      }
+    };
+
+    this.isInitialViewSet = true;
+    this.pdfSidebar.setInitialView(sidebarView);
+    setViewerModes(scrollMode, spreadMode);
+
+    if (this.initialBookmark) {
+      setRotation(this.initialRotation);
+      delete this.initialRotation;
+      this.pdfLinkService.setHash(this.initialBookmark);
+      this.initialBookmark = null;
+    } else if (storedHash) {
+      setRotation(rotation);
+      this.pdfLinkService.setHash(storedHash);
+    }
+
+    this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
+    this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
+
+    if (!this.pdfViewer.currentScaleValue) {
+      this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+    }
+  },
+
+  cleanup() {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    this.pdfViewer.cleanup();
+    this.pdfThumbnailViewer.cleanup();
+
+    if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
+      this.pdfDocument.cleanup();
+    }
+  },
+
+  forceRendering() {
+    this.pdfRenderingQueue.printing = this.printing;
+    this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
+    this.pdfRenderingQueue.renderHighestPriority();
+  },
+
+  beforePrint() {
+    if (this.printService) {
+      return;
+    }
+
+    if (!this.supportsPrinting) {
+      this.l10n.get("printing_not_supported", null, "Warning: Printing is not fully supported by this browser.").then(printMessage => {
+        this.error(printMessage);
+      });
+      return;
+    }
+
+    if (!this.pdfViewer.pageViewsReady) {
+      this.l10n.get("printing_not_ready", null, "Warning: The PDF is not fully loaded for printing.").then(notReadyMessage => {
+        window.alert(notReadyMessage);
+      });
+      return;
+    }
+
+    const pagesOverview = this.pdfViewer.getPagesOverview();
+    const printContainer = this.appConfig.printContainer;
+
+    const printResolution = _app_options.AppOptions.get("printResolution");
+
+    const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise;
+    const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this.l10n);
+    this.printService = printService;
+    this.forceRendering();
+    printService.layout();
+    this.externalServices.reportTelemetry({
+      type: "print"
+    });
+  },
+
+  afterPrint() {
+    if (this.printService) {
+      this.printService.destroy();
+      this.printService = null;
+
+      if (this.pdfDocument) {
+        this.pdfDocument.annotationStorage.resetModified();
+      }
+    }
+
+    this.forceRendering();
+  },
+
+  rotatePages(delta) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
+    this.pdfViewer.pagesRotation = newRotation;
+  },
+
+  requestPresentationMode() {
+    if (!this.pdfPresentationMode) {
+      return;
+    }
+
+    this.pdfPresentationMode.request();
+  },
+
+  bindEvents() {
+    const {
+      eventBus,
+      _boundEvents
+    } = this;
+    _boundEvents.beforePrint = this.beforePrint.bind(this);
+    _boundEvents.afterPrint = this.afterPrint.bind(this);
+
+    eventBus._on("resize", webViewerResize);
+
+    eventBus._on("hashchange", webViewerHashchange);
+
+    eventBus._on("beforeprint", _boundEvents.beforePrint);
+
+    eventBus._on("afterprint", _boundEvents.afterPrint);
+
+    eventBus._on("pagerendered", webViewerPageRendered);
+
+    eventBus._on("updateviewarea", webViewerUpdateViewarea);
+
+    eventBus._on("pagechanging", webViewerPageChanging);
+
+    eventBus._on("scalechanging", webViewerScaleChanging);
+
+    eventBus._on("rotationchanging", webViewerRotationChanging);
+
+    eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged);
+
+    eventBus._on("pagemode", webViewerPageMode);
+
+    eventBus._on("namedaction", webViewerNamedAction);
+
+    eventBus._on("presentationmodechanged", webViewerPresentationModeChanged);
+
+    eventBus._on("presentationmode", webViewerPresentationMode);
+
+    eventBus._on("print", webViewerPrint);
+
+    eventBus._on("download", webViewerDownload);
+
+    eventBus._on("save", webViewerSave);
+
+    eventBus._on("firstpage", webViewerFirstPage);
+
+    eventBus._on("lastpage", webViewerLastPage);
+
+    eventBus._on("nextpage", webViewerNextPage);
+
+    eventBus._on("previouspage", webViewerPreviousPage);
+
+    eventBus._on("zoomin", webViewerZoomIn);
+
+    eventBus._on("zoomout", webViewerZoomOut);
+
+    eventBus._on("zoomreset", webViewerZoomReset);
+
+    eventBus._on("pagenumberchanged", webViewerPageNumberChanged);
+
+    eventBus._on("scalechanged", webViewerScaleChanged);
+
+    eventBus._on("rotatecw", webViewerRotateCw);
+
+    eventBus._on("rotateccw", webViewerRotateCcw);
+
+    eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig);
+
+    eventBus._on("switchscrollmode", webViewerSwitchScrollMode);
+
+    eventBus._on("scrollmodechanged", webViewerScrollModeChanged);
+
+    eventBus._on("switchspreadmode", webViewerSwitchSpreadMode);
+
+    eventBus._on("spreadmodechanged", webViewerSpreadModeChanged);
+
+    eventBus._on("documentproperties", webViewerDocumentProperties);
+
+    eventBus._on("find", webViewerFind);
+
+    eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
+
+    eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount);
+
+    eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState);
+
+    eventBus._on("fileinputchange", webViewerFileInputChange);
+
+    eventBus._on("openfile", webViewerOpenFile);
+  },
+
+  bindWindowEvents() {
+    const {
+      eventBus,
+      _boundEvents
+    } = this;
+
+    _boundEvents.windowResize = () => {
+      eventBus.dispatch("resize", {
+        source: window
+      });
+    };
+
+    _boundEvents.windowHashChange = () => {
+      eventBus.dispatch("hashchange", {
+        source: window,
+        hash: document.location.hash.substring(1)
+      });
+    };
+
+    _boundEvents.windowBeforePrint = () => {
+      eventBus.dispatch("beforeprint", {
+        source: window
+      });
+    };
+
+    _boundEvents.windowAfterPrint = () => {
+      eventBus.dispatch("afterprint", {
+        source: window
+      });
+    };
+
+    window.addEventListener("visibilitychange", webViewerVisibilityChange);
+    window.addEventListener("wheel", webViewerWheel, {
+      passive: false
+    });
+    window.addEventListener("touchstart", webViewerTouchStart, {
+      passive: false
+    });
+    window.addEventListener("click", webViewerClick);
+    window.addEventListener("keydown", webViewerKeyDown);
+    window.addEventListener("keyup", webViewerKeyUp);
+    window.addEventListener("resize", _boundEvents.windowResize);
+    window.addEventListener("hashchange", _boundEvents.windowHashChange);
+    window.addEventListener("beforeprint", _boundEvents.windowBeforePrint);
+    window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
+  },
+
+  unbindEvents() {
+    const {
+      eventBus,
+      _boundEvents
+    } = this;
+
+    eventBus._off("resize", webViewerResize);
+
+    eventBus._off("hashchange", webViewerHashchange);
+
+    eventBus._off("beforeprint", _boundEvents.beforePrint);
+
+    eventBus._off("afterprint", _boundEvents.afterPrint);
+
+    eventBus._off("pagerendered", webViewerPageRendered);
+
+    eventBus._off("updateviewarea", webViewerUpdateViewarea);
+
+    eventBus._off("pagechanging", webViewerPageChanging);
+
+    eventBus._off("scalechanging", webViewerScaleChanging);
+
+    eventBus._off("rotationchanging", webViewerRotationChanging);
+
+    eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
+
+    eventBus._off("pagemode", webViewerPageMode);
+
+    eventBus._off("namedaction", webViewerNamedAction);
+
+    eventBus._off("presentationmodechanged", webViewerPresentationModeChanged);
+
+    eventBus._off("presentationmode", webViewerPresentationMode);
+
+    eventBus._off("print", webViewerPrint);
+
+    eventBus._off("download", webViewerDownload);
+
+    eventBus._off("save", webViewerSave);
+
+    eventBus._off("firstpage", webViewerFirstPage);
+
+    eventBus._off("lastpage", webViewerLastPage);
+
+    eventBus._off("nextpage", webViewerNextPage);
+
+    eventBus._off("previouspage", webViewerPreviousPage);
+
+    eventBus._off("zoomin", webViewerZoomIn);
+
+    eventBus._off("zoomout", webViewerZoomOut);
+
+    eventBus._off("zoomreset", webViewerZoomReset);
+
+    eventBus._off("pagenumberchanged", webViewerPageNumberChanged);
+
+    eventBus._off("scalechanged", webViewerScaleChanged);
+
+    eventBus._off("rotatecw", webViewerRotateCw);
+
+    eventBus._off("rotateccw", webViewerRotateCcw);
+
+    eventBus._off("optionalcontentconfig", webViewerOptionalContentConfig);
+
+    eventBus._off("switchscrollmode", webViewerSwitchScrollMode);
+
+    eventBus._off("scrollmodechanged", webViewerScrollModeChanged);
+
+    eventBus._off("switchspreadmode", webViewerSwitchSpreadMode);
+
+    eventBus._off("spreadmodechanged", webViewerSpreadModeChanged);
+
+    eventBus._off("documentproperties", webViewerDocumentProperties);
+
+    eventBus._off("find", webViewerFind);
+
+    eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
+
+    eventBus._off("updatefindmatchescount", webViewerUpdateFindMatchesCount);
+
+    eventBus._off("updatefindcontrolstate", webViewerUpdateFindControlState);
+
+    eventBus._off("fileinputchange", webViewerFileInputChange);
+
+    eventBus._off("openfile", webViewerOpenFile);
+
+    _boundEvents.beforePrint = null;
+    _boundEvents.afterPrint = null;
+  },
+
+  unbindWindowEvents() {
+    const {
+      _boundEvents
+    } = this;
+    window.removeEventListener("visibilitychange", webViewerVisibilityChange);
+    window.removeEventListener("wheel", webViewerWheel, {
+      passive: false
+    });
+    window.removeEventListener("touchstart", webViewerTouchStart, {
+      passive: false
+    });
+    window.removeEventListener("click", webViewerClick);
+    window.removeEventListener("keydown", webViewerKeyDown);
+    window.removeEventListener("keyup", webViewerKeyUp);
+    window.removeEventListener("resize", _boundEvents.windowResize);
+    window.removeEventListener("hashchange", _boundEvents.windowHashChange);
+    window.removeEventListener("beforeprint", _boundEvents.windowBeforePrint);
+    window.removeEventListener("afterprint", _boundEvents.windowAfterPrint);
+    _boundEvents.windowResize = null;
+    _boundEvents.windowHashChange = null;
+    _boundEvents.windowBeforePrint = null;
+    _boundEvents.windowAfterPrint = null;
+  },
+
+  accumulateWheelTicks(ticks) {
+    if (this._wheelUnusedTicks > 0 && ticks < 0 || this._wheelUnusedTicks < 0 && ticks > 0) {
+      this._wheelUnusedTicks = 0;
+    }
+
+    this._wheelUnusedTicks += ticks;
+    const wholeTicks = Math.sign(this._wheelUnusedTicks) * Math.floor(Math.abs(this._wheelUnusedTicks));
+    this._wheelUnusedTicks -= wholeTicks;
+    return wholeTicks;
+  }
+
+};
+exports.PDFViewerApplication = PDFViewerApplication;
+let validateFileURL;
+{
+  const HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"];
+
+  validateFileURL = function (file) {
+    if (file === undefined) {
+      return;
+    }
+
+    try {
+      const viewerOrigin = new URL(window.location.href).origin || "null";
+
+      if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
+        return;
+      }
+
+      const {
+        origin,
+        protocol
+      } = new URL(file, window.location.href);
+
+      if (origin !== viewerOrigin && protocol !== "blob:") {
+        throw new Error("file origin does not match viewer's");
+      }
+    } catch (ex) {
+      const message = ex && ex.message;
+      PDFViewerApplication.l10n.get("loading_error", null, "An error occurred while loading the PDF.").then(loadingErrorMessage => {
+        PDFViewerApplication.error(loadingErrorMessage, {
+          message
+        });
+      });
+      throw ex;
+    }
+  };
+}
+
+async function loadFakeWorker() {
+  if (!_pdf.GlobalWorkerOptions.workerSrc) {
+    _pdf.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get("workerSrc");
+  }
+
+  return (0, _pdf.loadScript)(_pdf.PDFWorker.getWorkerSrc());
+}
+
+function loadAndEnablePDFBug(enabledTabs) {
+  const appConfig = PDFViewerApplication.appConfig;
+  return (0, _pdf.loadScript)(appConfig.debuggerScriptPath).then(function () {
+    PDFBug.enable(enabledTabs);
+    PDFBug.init({
+      OPS: _pdf.OPS
+    }, appConfig.mainContainer);
+  });
+}
+
+function webViewerInitialized() {
+  const appConfig = PDFViewerApplication.appConfig;
+  let file;
+  const queryString = document.location.search.substring(1);
+  const params = (0, _ui_utils.parseQueryString)(queryString);
+  file = "file" in params ? params.file : _app_options.AppOptions.get("defaultUrl");
+  validateFileURL(file);
+  const fileInput = document.createElement("input");
+  fileInput.id = appConfig.openFileInputName;
+  fileInput.className = "fileInput";
+  fileInput.setAttribute("type", "file");
+  fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
+  document.body.appendChild(fileInput);
+
+  if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
+    appConfig.toolbar.openFile.setAttribute("hidden", "true");
+    appConfig.secondaryToolbar.openFileButton.setAttribute("hidden", "true");
+  } else {
+    fileInput.value = null;
+  }
+
+  fileInput.addEventListener("change", function (evt) {
+    const files = evt.target.files;
+
+    if (!files || files.length === 0) {
+      return;
+    }
+
+    PDFViewerApplication.eventBus.dispatch("fileinputchange", {
+      source: this,
+      fileInput: evt.target
+    });
+  });
+  appConfig.mainContainer.addEventListener("dragover", function (evt) {
+    evt.preventDefault();
+    evt.dataTransfer.dropEffect = "move";
+  });
+  appConfig.mainContainer.addEventListener("drop", function (evt) {
+    evt.preventDefault();
+    const files = evt.dataTransfer.files;
+
+    if (!files || files.length === 0) {
+      return;
+    }
+
+    PDFViewerApplication.eventBus.dispatch("fileinputchange", {
+      source: this,
+      fileInput: evt.dataTransfer
+    });
+  });
+
+  if (!PDFViewerApplication.supportsDocumentFonts) {
+    _app_options.AppOptions.set("disableFontFace", true);
+
+    PDFViewerApplication.l10n.get("web_fonts_disabled", null, "Web fonts are disabled: unable to use embedded PDF fonts.").then(msg => {
+      console.warn(msg);
+    });
+  }
+
+  if (!PDFViewerApplication.supportsPrinting) {
+    appConfig.toolbar.print.classList.add("hidden");
+    appConfig.secondaryToolbar.printButton.classList.add("hidden");
+  }
+
+  if (!PDFViewerApplication.supportsFullscreen) {
+    appConfig.toolbar.presentationModeButton.classList.add("hidden");
+    appConfig.secondaryToolbar.presentationModeButton.classList.add("hidden");
+  }
+
+  if (PDFViewerApplication.supportsIntegratedFind) {
+    appConfig.toolbar.viewFind.classList.add("hidden");
+  }
+
+  appConfig.mainContainer.addEventListener("transitionend", function (evt) {
+    if (evt.target === this) {
+      PDFViewerApplication.eventBus.dispatch("resize", {
+        source: this
+      });
+    }
+  }, true);
+
+  try {
+    webViewerOpenFileViaURL(file);
+  } catch (reason) {
+    PDFViewerApplication.l10n.get("loading_error", null, "An error occurred while loading the PDF.").then(msg => {
+      PDFViewerApplication.error(msg, reason);
+    });
+  }
+}
+
+let webViewerOpenFileViaURL;
+{
+  webViewerOpenFileViaURL = function (file) {
+    if (file && file.lastIndexOf("file:", 0) === 0) {
+      PDFViewerApplication.setTitleUsingUrl(file);
+      const xhr = new XMLHttpRequest();
+
+      xhr.onload = function () {
+        PDFViewerApplication.open(new Uint8Array(xhr.response));
+      };
+
+      xhr.open("GET", file);
+      xhr.responseType = "arraybuffer";
+      xhr.send();
+      return;
+    }
+
+    if (file) {
+      PDFViewerApplication.open(file);
+    }
+  };
+}
+
+function webViewerResetPermissions() {
+  const {
+    appConfig
+  } = PDFViewerApplication;
+
+  if (!appConfig) {
+    return;
+  }
+
+  appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS);
+}
+
+function webViewerPageRendered(evt) {
+  const pageNumber = evt.pageNumber;
+  const pageIndex = pageNumber - 1;
+  const pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
+
+  if (pageNumber === PDFViewerApplication.page) {
+    PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
+  }
+
+  if (!pageView) {
+    return;
+  }
+
+  if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
+    const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
+    thumbnailView.setImage(pageView);
+  }
+
+  if (typeof Stats !== "undefined" && Stats.enabled && pageView.stats) {
+    Stats.add(pageNumber, pageView.stats);
+  }
+
+  if (pageView.error) {
+    PDFViewerApplication.l10n.get("rendering_error", null, "An error occurred while rendering the page.").then(msg => {
+      PDFViewerApplication.error(msg, pageView.error);
+    });
+  }
+
+  PDFViewerApplication.externalServices.reportTelemetry({
+    type: "pageInfo",
+    timestamp: evt.timestamp
+  });
+  PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
+    PDFViewerApplication.externalServices.reportTelemetry({
+      type: "documentStats",
+      stats
+    });
+  });
+}
+
+function webViewerPageMode({
+  mode
+}) {
+  let view;
+
+  switch (mode) {
+    case "thumbs":
+      view = _pdf_sidebar.SidebarView.THUMBS;
+      break;
+
+    case "bookmarks":
+    case "outline":
+      view = _pdf_sidebar.SidebarView.OUTLINE;
+      break;
+
+    case "attachments":
+      view = _pdf_sidebar.SidebarView.ATTACHMENTS;
+      break;
+
+    case "layers":
+      view = _pdf_sidebar.SidebarView.LAYERS;
+      break;
+
+    case "none":
+      view = _pdf_sidebar.SidebarView.NONE;
+      break;
+
+    default:
+      console.error('Invalid "pagemode" hash parameter: ' + mode);
+      return;
+  }
+
+  PDFViewerApplication.pdfSidebar.switchView(view, true);
+}
+
+function webViewerNamedAction(evt) {
+  switch (evt.action) {
+    case "GoToPage":
+      PDFViewerApplication.appConfig.toolbar.pageNumber.select();
+      break;
+
+    case "Find":
+      if (!PDFViewerApplication.supportsIntegratedFind) {
+        PDFViewerApplication.findBar.toggle();
+      }
+
+      break;
+
+    case "Print":
+      if (PDFViewerApplication.supportsPrinting) {
+        webViewerPrint();
+      }
+
+      break;
+
+    case "SaveAs":
+      webViewerSave();
+      break;
+  }
+}
+
+function webViewerPresentationModeChanged({
+  active,
+  switchInProgress
+}) {
+  let state = _ui_utils.PresentationModeState.NORMAL;
+
+  if (switchInProgress) {
+    state = _ui_utils.PresentationModeState.CHANGING;
+  } else if (active) {
+    state = _ui_utils.PresentationModeState.FULLSCREEN;
+  }
+
+  PDFViewerApplication.pdfViewer.presentationModeState = state;
+}
+
+function webViewerSidebarViewChanged(evt) {
+  PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
+  const store = PDFViewerApplication.store;
+
+  if (store && PDFViewerApplication.isInitialViewSet) {
+    store.set("sidebarView", evt.view).catch(function () {});
+  }
+}
+
+function webViewerUpdateViewarea(evt) {
+  const location = evt.location,
+        store = PDFViewerApplication.store;
+
+  if (store && PDFViewerApplication.isInitialViewSet) {
+    store.setMultiple({
+      page: location.pageNumber,
+      zoom: location.scale,
+      scrollLeft: location.left,
+      scrollTop: location.top,
+      rotation: location.rotation
+    }).catch(function () {});
+  }
+
+  const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
+  PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
+  PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
+  const currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
+  const loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
+  PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
+}
+
+function webViewerScrollModeChanged(evt) {
+  const store = PDFViewerApplication.store;
+
+  if (store && PDFViewerApplication.isInitialViewSet) {
+    store.set("scrollMode", evt.mode).catch(function () {});
+  }
+}
+
+function webViewerSpreadModeChanged(evt) {
+  const store = PDFViewerApplication.store;
+
+  if (store && PDFViewerApplication.isInitialViewSet) {
+    store.set("spreadMode", evt.mode).catch(function () {});
+  }
+}
+
+function webViewerResize() {
+  const {
+    pdfDocument,
+    pdfViewer
+  } = PDFViewerApplication;
+
+  if (!pdfDocument) {
+    return;
+  }
+
+  const currentScaleValue = pdfViewer.currentScaleValue;
+
+  if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
+    pdfViewer.currentScaleValue = currentScaleValue;
+  }
+
+  pdfViewer.update();
+}
+
+function webViewerHashchange(evt) {
+  const hash = evt.hash;
+
+  if (!hash) {
+    return;
+  }
+
+  if (!PDFViewerApplication.isInitialViewSet) {
+    PDFViewerApplication.initialBookmark = hash;
+  } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
+    PDFViewerApplication.pdfLinkService.setHash(hash);
+  }
+}
+
+let webViewerFileInputChange, webViewerOpenFile;
+{
+  webViewerFileInputChange = function (evt) {
+    if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
+      return;
+    }
+
+    const file = evt.fileInput.files[0];
+
+    if (!_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+      let url = URL.createObjectURL(file);
+
+      if (file.name) {
+        url = {
+          url,
+          originalUrl: file.name
+        };
+      }
+
+      PDFViewerApplication.open(url);
+    } else {
+      PDFViewerApplication.setTitleUsingUrl(file.name);
+      const fileReader = new FileReader();
+
+      fileReader.onload = function webViewerChangeFileReaderOnload(event) {
+        const buffer = event.target.result;
+        PDFViewerApplication.open(new Uint8Array(buffer));
+      };
+
+      fileReader.readAsArrayBuffer(file);
+    }
+
+    const appConfig = PDFViewerApplication.appConfig;
+    appConfig.toolbar.viewBookmark.setAttribute("hidden", "true");
+    appConfig.secondaryToolbar.viewBookmarkButton.setAttribute("hidden", "true");
+    appConfig.toolbar.download.setAttribute("hidden", "true");
+    appConfig.secondaryToolbar.downloadButton.setAttribute("hidden", "true");
+  };
+
+  webViewerOpenFile = function (evt) {
+    const openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
+    document.getElementById(openFileInputName).click();
+  };
+}
+
+function webViewerPresentationMode() {
+  PDFViewerApplication.requestPresentationMode();
+}
+
+function webViewerPrint() {
+  window.print();
+}
+
+function webViewerDownloadOrSave(sourceEventType) {
+  if (PDFViewerApplication.pdfDocument && PDFViewerApplication.pdfDocument.annotationStorage.size > 0) {
+    PDFViewerApplication.save({
+      sourceEventType
+    });
+  } else {
+    PDFViewerApplication.download({
+      sourceEventType
+    });
+  }
+}
+
+function webViewerDownload() {
+  webViewerDownloadOrSave("download");
+}
+
+function webViewerSave() {
+  webViewerDownloadOrSave("save");
+}
+
+function webViewerFirstPage() {
+  if (PDFViewerApplication.pdfDocument) {
+    PDFViewerApplication.page = 1;
+  }
+}
+
+function webViewerLastPage() {
+  if (PDFViewerApplication.pdfDocument) {
+    PDFViewerApplication.page = PDFViewerApplication.pagesCount;
+  }
+}
+
+function webViewerNextPage() {
+  PDFViewerApplication.page++;
+}
+
+function webViewerPreviousPage() {
+  PDFViewerApplication.page--;
+}
+
+function webViewerZoomIn() {
+  PDFViewerApplication.zoomIn();
+}
+
+function webViewerZoomOut() {
+  PDFViewerApplication.zoomOut();
+}
+
+function webViewerZoomReset() {
+  PDFViewerApplication.zoomReset();
+}
+
+function webViewerPageNumberChanged(evt) {
+  const pdfViewer = PDFViewerApplication.pdfViewer;
+
+  if (evt.value !== "") {
+    pdfViewer.currentPageLabel = evt.value;
+  }
+
+  if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
+    PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+  }
+}
+
+function webViewerScaleChanged(evt) {
+  PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
+}
+
+function webViewerRotateCw() {
+  PDFViewerApplication.rotatePages(90);
+}
+
+function webViewerRotateCcw() {
+  PDFViewerApplication.rotatePages(-90);
+}
+
+function webViewerOptionalContentConfig(evt) {
+  PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise;
+}
+
+function webViewerSwitchScrollMode(evt) {
+  PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
+}
+
+function webViewerSwitchSpreadMode(evt) {
+  PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
+}
+
+function webViewerDocumentProperties() {
+  PDFViewerApplication.pdfDocumentProperties.open();
+}
+
+function webViewerFind(evt) {
+  PDFViewerApplication.findController.executeCommand("find" + evt.type, {
+    query: evt.query,
+    phraseSearch: evt.phraseSearch,
+    caseSensitive: evt.caseSensitive,
+    entireWord: evt.entireWord,
+    highlightAll: evt.highlightAll,
+    findPrevious: evt.findPrevious
+  });
+}
+
+function webViewerFindFromUrlHash(evt) {
+  PDFViewerApplication.findController.executeCommand("find", {
+    query: evt.query,
+    phraseSearch: evt.phraseSearch,
+    caseSensitive: false,
+    entireWord: false,
+    highlightAll: true,
+    findPrevious: false
+  });
+}
+
+function webViewerUpdateFindMatchesCount({
+  matchesCount
+}) {
+  if (PDFViewerApplication.supportsIntegratedFind) {
+    PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
+  } else {
+    PDFViewerApplication.findBar.updateResultsCount(matchesCount);
+  }
+}
+
+function webViewerUpdateFindControlState({
+  state,
+  previous,
+  matchesCount,
+  rawQuery
+}) {
+  if (PDFViewerApplication.supportsIntegratedFind) {
+    PDFViewerApplication.externalServices.updateFindControlState({
+      result: state,
+      findPrevious: previous,
+      matchesCount,
+      rawQuery
+    });
+  } else {
+    PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
+  }
+}
+
+function webViewerScaleChanging(evt) {
+  PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
+  PDFViewerApplication.pdfViewer.update();
+}
+
+function webViewerRotationChanging(evt) {
+  PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
+  PDFViewerApplication.forceRendering();
+  PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
+}
+
+function webViewerPageChanging(evt) {
+  const page = evt.pageNumber;
+  PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
+  PDFViewerApplication.secondaryToolbar.setPageNumber(page);
+
+  if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
+    PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
+  }
+
+  if (typeof Stats !== "undefined" && Stats.enabled) {
+    const pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
+
+    if (pageView && pageView.stats) {
+      Stats.add(page, pageView.stats);
+    }
+  }
+}
+
+function webViewerVisibilityChange(evt) {
+  if (document.visibilityState === "visible") {
+    setZoomDisabledTimeout();
+  }
+}
+
+let zoomDisabledTimeout = null;
+
+function setZoomDisabledTimeout() {
+  if (zoomDisabledTimeout) {
+    clearTimeout(zoomDisabledTimeout);
+  }
+
+  zoomDisabledTimeout = setTimeout(function () {
+    zoomDisabledTimeout = null;
+  }, WHEEL_ZOOM_DISABLED_TIMEOUT);
+}
+
+function webViewerWheel(evt) {
+  const {
+    pdfViewer,
+    supportedMouseWheelZoomModifierKeys
+  } = PDFViewerApplication;
+
+  if (pdfViewer.isInPresentationMode) {
+    return;
+  }
+
+  if (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
+    evt.preventDefault();
+
+    if (zoomDisabledTimeout || document.visibilityState === "hidden") {
+      return;
+    }
+
+    const previousScale = pdfViewer.currentScale;
+    const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
+    let ticks = 0;
+
+    if (evt.deltaMode === WheelEvent.DOM_DELTA_LINE || evt.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+      if (Math.abs(delta) >= 1) {
+        ticks = Math.sign(delta);
+      } else {
+        ticks = PDFViewerApplication.accumulateWheelTicks(delta);
+      }
+    } else {
+      const PIXELS_PER_LINE_SCALE = 30;
+      ticks = PDFViewerApplication.accumulateWheelTicks(delta / PIXELS_PER_LINE_SCALE);
+    }
+
+    if (ticks < 0) {
+      PDFViewerApplication.zoomOut(-ticks);
+    } else if (ticks > 0) {
+      PDFViewerApplication.zoomIn(ticks);
+    }
+
+    const currentScale = pdfViewer.currentScale;
+
+    if (previousScale !== currentScale) {
+      const scaleCorrectionFactor = currentScale / previousScale - 1;
+      const rect = pdfViewer.container.getBoundingClientRect();
+      const dx = evt.clientX - rect.left;
+      const dy = evt.clientY - rect.top;
+      pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
+      pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
+    }
+  } else {
+    setZoomDisabledTimeout();
+  }
+}
+
+function webViewerTouchStart(evt) {
+  if (evt.touches.length > 1) {
+    evt.preventDefault();
+  }
+}
+
+function webViewerClick(evt) {
+  if (PDFViewerApplication.triggerDelayedFallback && PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
+    PDFViewerApplication.triggerDelayedFallback();
+  }
+
+  if (!PDFViewerApplication.secondaryToolbar.isOpen) {
+    return;
+  }
+
+  const appConfig = PDFViewerApplication.appConfig;
+
+  if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
+    PDFViewerApplication.secondaryToolbar.close();
+  }
+}
+
+function webViewerKeyUp(evt) {
+  if (evt.keyCode === 9) {
+    if (PDFViewerApplication.triggerDelayedFallback) {
+      PDFViewerApplication.triggerDelayedFallback();
+    }
+  }
+}
+
+function webViewerKeyDown(evt) {
+  if (PDFViewerApplication.overlayManager.active) {
+    return;
+  }
+
+  let handled = false,
+      ensureViewerFocused = false;
+  const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
+  const pdfViewer = PDFViewerApplication.pdfViewer;
+  const isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
+
+  if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
+    switch (evt.keyCode) {
+      case 70:
+        if (!PDFViewerApplication.supportsIntegratedFind) {
+          PDFViewerApplication.findBar.open();
+          handled = true;
+        }
+
+        break;
+
+      case 71:
+        if (!PDFViewerApplication.supportsIntegratedFind) {
+          const findState = PDFViewerApplication.findController.state;
+
+          if (findState) {
+            PDFViewerApplication.findController.executeCommand("findagain", {
+              query: findState.query,
+              phraseSearch: findState.phraseSearch,
+              caseSensitive: findState.caseSensitive,
+              entireWord: findState.entireWord,
+              highlightAll: findState.highlightAll,
+              findPrevious: cmd === 5 || cmd === 12
+            });
+          }
+
+          handled = true;
+        }
+
+        break;
+
+      case 61:
+      case 107:
+      case 187:
+      case 171:
+        if (!isViewerInPresentationMode) {
+          PDFViewerApplication.zoomIn();
+        }
+
+        handled = true;
+        break;
+
+      case 173:
+      case 109:
+      case 189:
+        if (!isViewerInPresentationMode) {
+          PDFViewerApplication.zoomOut();
+        }
+
+        handled = true;
+        break;
+
+      case 48:
+      case 96:
+        if (!isViewerInPresentationMode) {
+          setTimeout(function () {
+            PDFViewerApplication.zoomReset();
+          });
+          handled = false;
+        }
+
+        break;
+
+      case 38:
+        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
+          PDFViewerApplication.page = 1;
+          handled = true;
+          ensureViewerFocused = true;
+        }
+
+        break;
+
+      case 40:
+        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
+          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
+          handled = true;
+          ensureViewerFocused = true;
+        }
+
+        break;
+    }
+  }
+
+  const {
+    eventBus
+  } = PDFViewerApplication;
+
+  if (cmd === 1 || cmd === 8) {
+    switch (evt.keyCode) {
+      case 83:
+        eventBus.dispatch("download", {
+          source: window
+        });
+        handled = true;
+        break;
+
+      case 79:
+        {
+          eventBus.dispatch("openfile", {
+            source: window
+          });
+          handled = true;
+        }
+        break;
+    }
+  }
+
+  if (cmd === 3 || cmd === 10) {
+    switch (evt.keyCode) {
+      case 80:
+        PDFViewerApplication.requestPresentationMode();
+        handled = true;
+        break;
+
+      case 71:
+        PDFViewerApplication.appConfig.toolbar.pageNumber.select();
+        handled = true;
+        break;
+    }
+  }
+
+  if (handled) {
+    if (ensureViewerFocused && !isViewerInPresentationMode) {
+      pdfViewer.focus();
+    }
+
+    evt.preventDefault();
+    return;
+  }
+
+  const curElement = document.activeElement || document.querySelector(":focus");
+  const curElementTagName = curElement && curElement.tagName.toUpperCase();
+
+  if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement && curElement.isContentEditable) {
+    if (evt.keyCode !== 27) {
+      return;
+    }
+  }
+
+  if (cmd === 0) {
+    let turnPage = 0,
+        turnOnlyIfPageFit = false;
+
+    switch (evt.keyCode) {
+      case 38:
+      case 33:
+        if (pdfViewer.isVerticalScrollbarEnabled) {
+          turnOnlyIfPageFit = true;
+        }
+
+        turnPage = -1;
+        break;
+
+      case 8:
+        if (!isViewerInPresentationMode) {
+          turnOnlyIfPageFit = true;
+        }
+
+        turnPage = -1;
+        break;
+
+      case 37:
+        if (pdfViewer.isHorizontalScrollbarEnabled) {
+          turnOnlyIfPageFit = true;
+        }
+
+      case 75:
+      case 80:
+        turnPage = -1;
+        break;
+
+      case 27:
+        if (PDFViewerApplication.secondaryToolbar.isOpen) {
+          PDFViewerApplication.secondaryToolbar.close();
+          handled = true;
+        }
+
+        if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
+          PDFViewerApplication.findBar.close();
+          handled = true;
+        }
+
+        break;
+
+      case 40:
+      case 34:
+        if (pdfViewer.isVerticalScrollbarEnabled) {
+          turnOnlyIfPageFit = true;
+        }
+
+        turnPage = 1;
+        break;
+
+      case 13:
+      case 32:
+        if (!isViewerInPresentationMode) {
+          turnOnlyIfPageFit = true;
+        }
+
+        turnPage = 1;
+        break;
+
+      case 39:
+        if (pdfViewer.isHorizontalScrollbarEnabled) {
+          turnOnlyIfPageFit = true;
+        }
+
+      case 74:
+      case 78:
+        turnPage = 1;
+        break;
+
+      case 36:
+        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
+          PDFViewerApplication.page = 1;
+          handled = true;
+          ensureViewerFocused = true;
+        }
+
+        break;
+
+      case 35:
+        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
+          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
+          handled = true;
+          ensureViewerFocused = true;
+        }
+
+        break;
+
+      case 83:
+        PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
+        break;
+
+      case 72:
+        PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
+        break;
+
+      case 82:
+        PDFViewerApplication.rotatePages(90);
+        break;
+
+      case 115:
+        PDFViewerApplication.pdfSidebar.toggle();
+        break;
+    }
+
+    if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
+      if (turnPage > 0) {
+        if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
+          PDFViewerApplication.page++;
+        }
+      } else {
+        if (PDFViewerApplication.page > 1) {
+          PDFViewerApplication.page--;
+        }
+      }
+
+      handled = true;
+    }
+  }
+
+  if (cmd === 4) {
+    switch (evt.keyCode) {
+      case 13:
+      case 32:
+        if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
+          break;
+        }
+
+        if (PDFViewerApplication.page > 1) {
+          PDFViewerApplication.page--;
+        }
+
+        handled = true;
+        break;
+
+      case 82:
+        PDFViewerApplication.rotatePages(-90);
+        break;
+    }
+  }
+
+  if (!handled && !isViewerInPresentationMode) {
+    if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
+      ensureViewerFocused = true;
+    }
+  }
+
+  if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
+    pdfViewer.focus();
+  }
+
+  if (handled) {
+    evt.preventDefault();
+  }
+}
+
+function beforeUnload(evt) {
+  evt.preventDefault();
+  evt.returnValue = "";
+  return false;
+}
+
+function apiPageLayoutToSpreadMode(layout) {
+  switch (layout) {
+    case "SinglePage":
+    case "OneColumn":
+      return _ui_utils.SpreadMode.NONE;
+
+    case "TwoColumnLeft":
+    case "TwoPageLeft":
+      return _ui_utils.SpreadMode.ODD;
+
+    case "TwoColumnRight":
+    case "TwoPageRight":
+      return _ui_utils.SpreadMode.EVEN;
+  }
+
+  return _ui_utils.SpreadMode.NONE;
+}
+
+function apiPageModeToSidebarView(mode) {
+  switch (mode) {
+    case "UseNone":
+      return _pdf_sidebar.SidebarView.NONE;
+
+    case "UseThumbs":
+      return _pdf_sidebar.SidebarView.THUMBS;
+
+    case "UseOutlines":
+      return _pdf_sidebar.SidebarView.OUTLINE;
+
+    case "UseAttachments":
+      return _pdf_sidebar.SidebarView.ATTACHMENTS;
+
+    case "UseOC":
+      return _pdf_sidebar.SidebarView.LAYERS;
+  }
+
+  return _pdf_sidebar.SidebarView.NONE;
+}
+
+const PDFPrintServiceFactory = {
+  instance: {
+    supportsPrinting: false,
+
+    createPrintService() {
+      throw new Error("Not implemented: createPrintService");
+    }
+
+  }
+};
+exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/app_options.js b/node_modules/pdfjs-dist/lib/web/app_options.js
new file mode 100644
index 00000000..00a4ae25
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/app_options.js
@@ -0,0 +1,258 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OptionKind = exports.AppOptions = void 0;
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+const OptionKind = {
+  VIEWER: 0x02,
+  API: 0x04,
+  WORKER: 0x08,
+  PREFERENCE: 0x80
+};
+exports.OptionKind = OptionKind;
+const defaultOptions = {
+  cursorToolOnLoad: {
+    value: 0,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  defaultUrl: {
+    value: "compressed.tracemonkey-pldi-09.pdf",
+    kind: OptionKind.VIEWER
+  },
+  defaultZoomValue: {
+    value: "",
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  disableHistory: {
+    value: false,
+    kind: OptionKind.VIEWER
+  },
+  disablePageLabels: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  enablePermissions: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  enablePrintAutoRotate: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  enableWebGL: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  externalLinkRel: {
+    value: "noopener noreferrer nofollow",
+    kind: OptionKind.VIEWER
+  },
+  externalLinkTarget: {
+    value: 0,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  historyUpdateUrl: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  ignoreDestinationZoom: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  imageResourcesPath: {
+    value: "./images/",
+    kind: OptionKind.VIEWER
+  },
+  maxCanvasPixels: {
+    value: 16777216,
+    compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
+    kind: OptionKind.VIEWER
+  },
+  pdfBugEnabled: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  printResolution: {
+    value: 150,
+    kind: OptionKind.VIEWER
+  },
+  renderer: {
+    value: "canvas",
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  renderInteractiveForms: {
+    value: true,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  sidebarViewOnLoad: {
+    value: -1,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  scrollModeOnLoad: {
+    value: -1,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  spreadModeOnLoad: {
+    value: -1,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  textLayerMode: {
+    value: 1,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  useOnlyCssZoom: {
+    value: false,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  viewOnLoad: {
+    value: 0,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+  },
+  cMapPacked: {
+    value: true,
+    kind: OptionKind.API
+  },
+  cMapUrl: {
+    value: "../web/cmaps/",
+    kind: OptionKind.API
+  },
+  disableAutoFetch: {
+    value: false,
+    kind: OptionKind.API + OptionKind.PREFERENCE
+  },
+  disableFontFace: {
+    value: false,
+    kind: OptionKind.API + OptionKind.PREFERENCE
+  },
+  disableRange: {
+    value: false,
+    kind: OptionKind.API + OptionKind.PREFERENCE
+  },
+  disableStream: {
+    value: false,
+    kind: OptionKind.API + OptionKind.PREFERENCE
+  },
+  docBaseUrl: {
+    value: "",
+    kind: OptionKind.API
+  },
+  fontExtraProperties: {
+    value: false,
+    kind: OptionKind.API
+  },
+  isEvalSupported: {
+    value: true,
+    kind: OptionKind.API
+  },
+  maxImageSize: {
+    value: -1,
+    kind: OptionKind.API
+  },
+  pdfBug: {
+    value: false,
+    kind: OptionKind.API
+  },
+  verbosity: {
+    value: 1,
+    kind: OptionKind.API
+  },
+  workerPort: {
+    value: null,
+    kind: OptionKind.WORKER
+  },
+  workerSrc: {
+    value: "../build/pdf.worker.js",
+    kind: OptionKind.WORKER
+  }
+};
+;
+const userOptions = Object.create(null);
+
+class AppOptions {
+  constructor() {
+    throw new Error("Cannot initialize AppOptions.");
+  }
+
+  static get(name) {
+    const userOption = userOptions[name];
+
+    if (userOption !== undefined) {
+      return userOption;
+    }
+
+    const defaultOption = defaultOptions[name];
+
+    if (defaultOption !== undefined) {
+      return defaultOption.compatibility || defaultOption.value;
+    }
+
+    return undefined;
+  }
+
+  static getAll(kind = null) {
+    const options = Object.create(null);
+
+    for (const name in defaultOptions) {
+      const defaultOption = defaultOptions[name];
+
+      if (kind) {
+        if ((kind & defaultOption.kind) === 0) {
+          continue;
+        }
+
+        if (kind === OptionKind.PREFERENCE) {
+          const value = defaultOption.value,
+                valueType = typeof value;
+
+          if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) {
+            options[name] = value;
+            continue;
+          }
+
+          throw new Error(`Invalid type for preference: ${name}`);
+        }
+      }
+
+      const userOption = userOptions[name];
+      options[name] = userOption !== undefined ? userOption : defaultOption.compatibility || defaultOption.value;
+    }
+
+    return options;
+  }
+
+  static set(name, value) {
+    userOptions[name] = value;
+  }
+
+  static remove(name) {
+    delete userOptions[name];
+  }
+
+}
+
+exports.AppOptions = AppOptions;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/base_tree_viewer.js b/node_modules/pdfjs-dist/lib/web/base_tree_viewer.js
new file mode 100644
index 00000000..b9a8e863
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/base_tree_viewer.js
@@ -0,0 +1,100 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.BaseTreeViewer = void 0;
+
+var _pdf = require("../pdf");
+
+class BaseTreeViewer {
+  constructor(options) {
+    if (this.constructor === BaseTreeViewer) {
+      throw new Error("Cannot initialize BaseTreeViewer.");
+    }
+
+    this.container = options.container;
+    this.eventBus = options.eventBus;
+    this.reset();
+  }
+
+  reset() {
+    this._lastToggleIsShow = true;
+    this.container.textContent = "";
+    this.container.classList.remove("treeWithDeepNesting");
+  }
+
+  _dispatchEvent(count) {
+    throw new Error("Not implemented: _dispatchEvent");
+  }
+
+  _bindLink(element, params) {
+    throw new Error("Not implemented: _bindLink");
+  }
+
+  _normalizeTextContent(str) {
+    return (0, _pdf.removeNullCharacters)(str) || "\u2013";
+  }
+
+  _addToggleButton(div, hidden = false) {
+    const toggler = document.createElement("div");
+    toggler.className = "treeItemToggler";
+
+    if (hidden) {
+      toggler.classList.add("treeItemsHidden");
+    }
+
+    toggler.onclick = evt => {
+      evt.stopPropagation();
+      toggler.classList.toggle("treeItemsHidden");
+
+      if (evt.shiftKey) {
+        const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
+
+        this._toggleTreeItem(div, shouldShowAll);
+      }
+    };
+
+    div.insertBefore(toggler, div.firstChild);
+  }
+
+  _toggleTreeItem(root, show = false) {
+    this._lastToggleIsShow = show;
+
+    for (const toggler of root.querySelectorAll(".treeItemToggler")) {
+      toggler.classList.toggle("treeItemsHidden", !show);
+    }
+  }
+
+  _toggleAllTreeItems() {
+    this._toggleTreeItem(this.container, !this._lastToggleIsShow);
+  }
+
+  render(params) {
+    throw new Error("Not implemented: render");
+  }
+
+}
+
+exports.BaseTreeViewer = BaseTreeViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/base_viewer.js b/node_modules/pdfjs-dist/lib/web/base_viewer.js
new file mode 100644
index 00000000..f3de2a1a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/base_viewer.js
@@ -0,0 +1,1184 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.BaseViewer = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
+
+var _annotation_layer_builder = require("./annotation_layer_builder.js");
+
+var _pdf = require("../pdf");
+
+var _pdf_page_view = require("./pdf_page_view.js");
+
+var _pdf_link_service = require("./pdf_link_service.js");
+
+var _text_layer_builder = require("./text_layer_builder.js");
+
+const DEFAULT_CACHE_SIZE = 10;
+
+function PDFPageViewBuffer(size) {
+  const data = [];
+
+  this.push = function (view) {
+    const i = data.indexOf(view);
+
+    if (i >= 0) {
+      data.splice(i, 1);
+    }
+
+    data.push(view);
+
+    if (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+
+  this.resize = function (newSize, pagesToKeep) {
+    size = newSize;
+
+    if (pagesToKeep) {
+      const pageIdsToKeep = new Set();
+
+      for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
+        pageIdsToKeep.add(pagesToKeep[i].id);
+      }
+
+      (0, _ui_utils.moveToEndOfArray)(data, function (page) {
+        return pageIdsToKeep.has(page.id);
+      });
+    }
+
+    while (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+}
+
+function isSameScale(oldScale, newScale) {
+  if (newScale === oldScale) {
+    return true;
+  }
+
+  if (Math.abs(newScale - oldScale) < 1e-15) {
+    return true;
+  }
+
+  return false;
+}
+
+class BaseViewer {
+  constructor(options) {
+    if (this.constructor === BaseViewer) {
+      throw new Error("Cannot initialize BaseViewer.");
+    }
+
+    this._name = this.constructor.name;
+    this.container = options.container;
+    this.viewer = options.viewer || options.container.firstElementChild;
+
+    if (!(this.container instanceof HTMLDivElement && this.viewer instanceof HTMLDivElement)) {
+      throw new Error("Invalid `container` and/or `viewer` option.");
+    }
+
+    this.eventBus = options.eventBus;
+    this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
+    this.downloadManager = options.downloadManager || null;
+    this.findController = options.findController || null;
+    this.removePageBorders = options.removePageBorders || false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.defaultRenderingQueue = !options.renderingQueue;
+
+    if (this.defaultRenderingQueue) {
+      this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
+      this.renderingQueue.setViewer(this);
+    } else {
+      this.renderingQueue = options.renderingQueue;
+    }
+
+    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
+    this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
+    this._onBeforeDraw = this._onAfterDraw = null;
+
+    this._resetView();
+
+    if (this.removePageBorders) {
+      this.viewer.classList.add("removePageBorders");
+    }
+
+    Promise.resolve().then(() => {
+      this.eventBus.dispatch("baseviewerinit", {
+        source: this
+      });
+    });
+  }
+
+  get pagesCount() {
+    return this._pages.length;
+  }
+
+  getPageView(index) {
+    return this._pages[index];
+  }
+
+  get pageViewsReady() {
+    if (!this._pagesCapability.settled) {
+      return false;
+    }
+
+    return this._pages.every(function (pageView) {
+      return pageView && pageView.pdfPage;
+    });
+  }
+
+  get currentPageNumber() {
+    return this._currentPageNumber;
+  }
+
+  set currentPageNumber(val) {
+    if (!Number.isInteger(val)) {
+      throw new Error("Invalid page number.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!this._setCurrentPageNumber(val, true)) {
+      console.error(`${this._name}.currentPageNumber: "${val}" is not a valid page.`);
+    }
+  }
+
+  _setCurrentPageNumber(val, resetCurrentPageView = false) {
+    if (this._currentPageNumber === val) {
+      if (resetCurrentPageView) {
+        this._resetCurrentPageView();
+      }
+
+      return true;
+    }
+
+    if (!(0 < val && val <= this.pagesCount)) {
+      return false;
+    }
+
+    this._currentPageNumber = val;
+    this.eventBus.dispatch("pagechanging", {
+      source: this,
+      pageNumber: val,
+      pageLabel: this._pageLabels && this._pageLabels[val - 1]
+    });
+
+    if (resetCurrentPageView) {
+      this._resetCurrentPageView();
+    }
+
+    return true;
+  }
+
+  get currentPageLabel() {
+    return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
+  }
+
+  set currentPageLabel(val) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    let page = val | 0;
+
+    if (this._pageLabels) {
+      const i = this._pageLabels.indexOf(val);
+
+      if (i >= 0) {
+        page = i + 1;
+      }
+    }
+
+    if (!this._setCurrentPageNumber(page, true)) {
+      console.error(`${this._name}.currentPageLabel: "${val}" is not a valid page.`);
+    }
+  }
+
+  get currentScale() {
+    return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
+  }
+
+  set currentScale(val) {
+    if (isNaN(val)) {
+      throw new Error("Invalid numeric scale.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    this._setScale(val, false);
+  }
+
+  get currentScaleValue() {
+    return this._currentScaleValue;
+  }
+
+  set currentScaleValue(val) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    this._setScale(val, false);
+  }
+
+  get pagesRotation() {
+    return this._pagesRotation;
+  }
+
+  set pagesRotation(rotation) {
+    if (!(0, _ui_utils.isValidRotation)(rotation)) {
+      throw new Error("Invalid pages rotation angle.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (this._pagesRotation === rotation) {
+      return;
+    }
+
+    this._pagesRotation = rotation;
+    const pageNumber = this._currentPageNumber;
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      const pageView = this._pages[i];
+      pageView.update(pageView.scale, rotation);
+    }
+
+    if (this._currentScaleValue) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    this.eventBus.dispatch("rotationchanging", {
+      source: this,
+      pagesRotation: rotation,
+      pageNumber
+    });
+
+    if (this.defaultRenderingQueue) {
+      this.update();
+    }
+  }
+
+  get firstPagePromise() {
+    return this.pdfDocument ? this._firstPageCapability.promise : null;
+  }
+
+  get onePageRendered() {
+    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+  }
+
+  get pagesPromise() {
+    return this.pdfDocument ? this._pagesCapability.promise : null;
+  }
+
+  get _viewerElement() {
+    throw new Error("Not implemented: _viewerElement");
+  }
+
+  _onePageRenderedOrForceFetch() {
+    if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+      return Promise.resolve();
+    }
+
+    return this._onePageRenderedCapability.promise;
+  }
+
+  setDocument(pdfDocument) {
+    if (this.pdfDocument) {
+      this._cancelRendering();
+
+      this._resetView();
+
+      if (this.findController) {
+        this.findController.setDocument(null);
+      }
+    }
+
+    this.pdfDocument = pdfDocument;
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    const pagesCount = pdfDocument.numPages;
+    const firstPagePromise = pdfDocument.getPage(1);
+    const annotationStorage = pdfDocument.annotationStorage;
+    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+
+    this._pagesCapability.promise.then(() => {
+      this.eventBus.dispatch("pagesloaded", {
+        source: this,
+        pagesCount
+      });
+    });
+
+    this._onBeforeDraw = evt => {
+      const pageView = this._pages[evt.pageNumber - 1];
+
+      if (!pageView) {
+        return;
+      }
+
+      this._buffer.push(pageView);
+    };
+
+    this.eventBus._on("pagerender", this._onBeforeDraw);
+
+    this._onAfterDraw = evt => {
+      if (evt.cssTransform || this._onePageRenderedCapability.settled) {
+        return;
+      }
+
+      this._onePageRenderedCapability.resolve();
+
+      this.eventBus._off("pagerendered", this._onAfterDraw);
+
+      this._onAfterDraw = null;
+    };
+
+    this.eventBus._on("pagerendered", this._onAfterDraw);
+
+    firstPagePromise.then(firstPdfPage => {
+      this._firstPageCapability.resolve(firstPdfPage);
+
+      this._optionalContentConfigPromise = optionalContentConfigPromise;
+      const scale = this.currentScale;
+      const viewport = firstPdfPage.getViewport({
+        scale: scale * _ui_utils.CSS_UNITS
+      });
+      const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? this : null;
+
+      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+        const pageView = new _pdf_page_view.PDFPageView({
+          container: this._viewerElement,
+          eventBus: this.eventBus,
+          id: pageNum,
+          scale,
+          defaultViewport: viewport.clone(),
+          annotationStorage,
+          optionalContentConfigPromise,
+          renderingQueue: this.renderingQueue,
+          textLayerFactory,
+          textLayerMode: this.textLayerMode,
+          annotationLayerFactory: this,
+          imageResourcesPath: this.imageResourcesPath,
+          renderInteractiveForms: this.renderInteractiveForms,
+          renderer: this.renderer,
+          enableWebGL: this.enableWebGL,
+          useOnlyCssZoom: this.useOnlyCssZoom,
+          maxCanvasPixels: this.maxCanvasPixels,
+          l10n: this.l10n
+        });
+
+        this._pages.push(pageView);
+      }
+
+      const firstPageView = this._pages[0];
+
+      if (firstPageView) {
+        firstPageView.setPdfPage(firstPdfPage);
+        this.linkService.cachePageRef(1, firstPdfPage.ref);
+      }
+
+      if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
+        this._updateSpreadMode();
+      }
+
+      this._onePageRenderedOrForceFetch().then(() => {
+        if (this.findController) {
+          this.findController.setDocument(pdfDocument);
+        }
+
+        if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
+          this._pagesCapability.resolve();
+
+          return;
+        }
+
+        let getPagesLeft = pagesCount - 1;
+
+        if (getPagesLeft <= 0) {
+          this._pagesCapability.resolve();
+
+          return;
+        }
+
+        for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
+          pdfDocument.getPage(pageNum).then(pdfPage => {
+            const pageView = this._pages[pageNum - 1];
+
+            if (!pageView.pdfPage) {
+              pageView.setPdfPage(pdfPage);
+            }
+
+            this.linkService.cachePageRef(pageNum, pdfPage.ref);
+
+            if (--getPagesLeft === 0) {
+              this._pagesCapability.resolve();
+            }
+          }, reason => {
+            console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
+
+            if (--getPagesLeft === 0) {
+              this._pagesCapability.resolve();
+            }
+          });
+        }
+      });
+
+      this.eventBus.dispatch("pagesinit", {
+        source: this
+      });
+
+      if (this.defaultRenderingQueue) {
+        this.update();
+      }
+    }).catch(reason => {
+      console.error("Unable to initialize viewer", reason);
+    });
+  }
+
+  setPageLabels(labels) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!labels) {
+      this._pageLabels = null;
+    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+      this._pageLabels = null;
+      console.error(`${this._name}.setPageLabels: Invalid page labels.`);
+    } else {
+      this._pageLabels = labels;
+    }
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      const pageView = this._pages[i];
+      const label = this._pageLabels && this._pageLabels[i];
+      pageView.setPageLabel(label);
+    }
+  }
+
+  _resetView() {
+    this._pages = [];
+    this._currentPageNumber = 1;
+    this._currentScale = _ui_utils.UNKNOWN_SCALE;
+    this._currentScaleValue = null;
+    this._pageLabels = null;
+    this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+    this._location = null;
+    this._pagesRotation = 0;
+    this._optionalContentConfigPromise = null;
+    this._pagesRequests = new WeakMap();
+    this._firstPageCapability = (0, _pdf.createPromiseCapability)();
+    this._onePageRenderedCapability = (0, _pdf.createPromiseCapability)();
+    this._pagesCapability = (0, _pdf.createPromiseCapability)();
+    this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
+    this._spreadMode = _ui_utils.SpreadMode.NONE;
+
+    if (this._onBeforeDraw) {
+      this.eventBus._off("pagerender", this._onBeforeDraw);
+
+      this._onBeforeDraw = null;
+    }
+
+    if (this._onAfterDraw) {
+      this.eventBus._off("pagerendered", this._onAfterDraw);
+
+      this._onAfterDraw = null;
+    }
+
+    this.viewer.textContent = "";
+
+    this._updateScrollMode();
+  }
+
+  _scrollUpdate() {
+    if (this.pagesCount === 0) {
+      return;
+    }
+
+    this.update();
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
+  }
+
+  _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
+    this._currentScaleValue = newValue.toString();
+
+    if (isSameScale(this._currentScale, newScale)) {
+      if (preset) {
+        this.eventBus.dispatch("scalechanging", {
+          source: this,
+          scale: newScale,
+          presetValue: newValue
+        });
+      }
+
+      return;
+    }
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      this._pages[i].update(newScale);
+    }
+
+    this._currentScale = newScale;
+
+    if (!noScroll) {
+      let page = this._currentPageNumber,
+          dest;
+
+      if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+        page = this._location.pageNumber;
+        dest = [null, {
+          name: "XYZ"
+        }, this._location.left, this._location.top, null];
+      }
+
+      this.scrollPageIntoView({
+        pageNumber: page,
+        destArray: dest,
+        allowNegativeOffset: true
+      });
+    }
+
+    this.eventBus.dispatch("scalechanging", {
+      source: this,
+      scale: newScale,
+      presetValue: preset ? newValue : undefined
+    });
+
+    if (this.defaultRenderingQueue) {
+      this.update();
+    }
+  }
+
+  _setScale(value, noScroll = false) {
+    let scale = parseFloat(value);
+
+    if (scale > 0) {
+      this._setScaleUpdatePages(scale, value, noScroll, false);
+    } else {
+      const currentPage = this._pages[this._currentPageNumber - 1];
+
+      if (!currentPage) {
+        return;
+      }
+
+      const noPadding = this.isInPresentationMode || this.removePageBorders;
+      let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
+      let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
+
+      if (!noPadding && this._isScrollModeHorizontal) {
+        [hPadding, vPadding] = [vPadding, hPadding];
+      }
+
+      const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
+      const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+
+      switch (value) {
+        case "page-actual":
+          scale = 1;
+          break;
+
+        case "page-width":
+          scale = pageWidthScale;
+          break;
+
+        case "page-height":
+          scale = pageHeightScale;
+          break;
+
+        case "page-fit":
+          scale = Math.min(pageWidthScale, pageHeightScale);
+          break;
+
+        case "auto":
+          const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+          scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
+          break;
+
+        default:
+          console.error(`${this._name}._setScale: "${value}" is an unknown zoom value.`);
+          return;
+      }
+
+      this._setScaleUpdatePages(scale, value, noScroll, true);
+    }
+  }
+
+  _resetCurrentPageView() {
+    if (this.isInPresentationMode) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    const pageView = this._pages[this._currentPageNumber - 1];
+
+    this._scrollIntoView({
+      pageDiv: pageView.div
+    });
+  }
+
+  scrollPageIntoView({
+    pageNumber,
+    destArray = null,
+    allowNegativeOffset = false,
+    ignoreDestinationZoom = false
+  }) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+
+    if (!pageView) {
+      console.error(`${this._name}.scrollPageIntoView: ` + `"${pageNumber}" is not a valid pageNumber parameter.`);
+      return;
+    }
+
+    if (this.isInPresentationMode || !destArray) {
+      this._setCurrentPageNumber(pageNumber, true);
+
+      return;
+    }
+
+    let x = 0,
+        y = 0;
+    let width = 0,
+        height = 0,
+        widthScale,
+        heightScale;
+    const changeOrientation = pageView.rotation % 180 !== 0;
+    const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
+    const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
+    let scale = 0;
+
+    switch (destArray[1].name) {
+      case "XYZ":
+        x = destArray[2];
+        y = destArray[3];
+        scale = destArray[4];
+        x = x !== null ? x : 0;
+        y = y !== null ? y : pageHeight;
+        break;
+
+      case "Fit":
+      case "FitB":
+        scale = "page-fit";
+        break;
+
+      case "FitH":
+      case "FitBH":
+        y = destArray[2];
+        scale = "page-width";
+
+        if (y === null && this._location) {
+          x = this._location.left;
+          y = this._location.top;
+        }
+
+        break;
+
+      case "FitV":
+      case "FitBV":
+        x = destArray[2];
+        width = pageWidth;
+        height = pageHeight;
+        scale = "page-height";
+        break;
+
+      case "FitR":
+        x = destArray[2];
+        y = destArray[3];
+        width = destArray[4] - x;
+        height = destArray[5] - y;
+        const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
+        const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
+        widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
+        heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
+        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+        break;
+
+      default:
+        console.error(`${this._name}.scrollPageIntoView: ` + `"${destArray[1].name}" is not a valid destination type.`);
+        return;
+    }
+
+    if (!ignoreDestinationZoom) {
+      if (scale && scale !== this._currentScale) {
+        this.currentScaleValue = scale;
+      } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
+        this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+      }
+    }
+
+    if (scale === "page-fit" && !destArray[4]) {
+      this._scrollIntoView({
+        pageDiv: pageView.div,
+        pageNumber
+      });
+
+      return;
+    }
+
+    const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+
+    if (!allowNegativeOffset) {
+      left = Math.max(left, 0);
+      top = Math.max(top, 0);
+    }
+
+    this._scrollIntoView({
+      pageDiv: pageView.div,
+      pageSpot: {
+        left,
+        top
+      },
+      pageNumber
+    });
+  }
+
+  _updateLocation(firstPage) {
+    const currentScale = this._currentScale;
+    const currentScaleValue = this._currentScaleValue;
+    const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+    const pageNumber = firstPage.id;
+    let pdfOpenParams = "#page=" + pageNumber;
+    pdfOpenParams += "&zoom=" + normalizedScaleValue;
+    const currentPageView = this._pages[pageNumber - 1];
+    const container = this.container;
+    const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+    const intLeft = Math.round(topLeft[0]);
+    const intTop = Math.round(topLeft[1]);
+    pdfOpenParams += "," + intLeft + "," + intTop;
+    this._location = {
+      pageNumber,
+      scale: normalizedScaleValue,
+      top: intTop,
+      left: intLeft,
+      rotation: this._pagesRotation,
+      pdfOpenParams
+    };
+  }
+
+  _updateHelper(visiblePages) {
+    throw new Error("Not implemented: _updateHelper");
+  }
+
+  update() {
+    const visible = this._getVisiblePages();
+
+    const visiblePages = visible.views,
+          numVisiblePages = visiblePages.length;
+
+    if (numVisiblePages === 0) {
+      return;
+    }
+
+    const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+
+    this._buffer.resize(newCacheSize, visiblePages);
+
+    this.renderingQueue.renderHighestPriority(visible);
+
+    this._updateHelper(visiblePages);
+
+    this._updateLocation(visible.first);
+
+    this.eventBus.dispatch("updateviewarea", {
+      source: this,
+      location: this._location
+    });
+  }
+
+  containsElement(element) {
+    return this.container.contains(element);
+  }
+
+  focus() {
+    this.container.focus();
+  }
+
+  get _isScrollModeHorizontal() {
+    return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
+  }
+
+  get isInPresentationMode() {
+    return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
+  }
+
+  get isChangingPresentationMode() {
+    return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
+  }
+
+  get isHorizontalScrollbarEnabled() {
+    return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+  }
+
+  get isVerticalScrollbarEnabled() {
+    return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+  }
+
+  _getCurrentVisiblePage() {
+    if (!this.pagesCount) {
+      return {
+        views: []
+      };
+    }
+
+    const pageView = this._pages[this._currentPageNumber - 1];
+    const element = pageView.div;
+    const view = {
+      id: pageView.id,
+      x: element.offsetLeft + element.clientLeft,
+      y: element.offsetTop + element.clientTop,
+      view: pageView
+    };
+    return {
+      first: view,
+      last: view,
+      views: [view]
+    };
+  }
+
+  _getVisiblePages() {
+    return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
+  }
+
+  isPageVisible(pageNumber) {
+    if (!this.pdfDocument) {
+      return false;
+    }
+
+    if (pageNumber < 1 || pageNumber > this.pagesCount) {
+      console.error(`${this._name}.isPageVisible: "${pageNumber}" is out of bounds.`);
+      return false;
+    }
+
+    return this._getVisiblePages().views.some(function (view) {
+      return view.id === pageNumber;
+    });
+  }
+
+  cleanup() {
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
+        this._pages[i].reset();
+      }
+    }
+  }
+
+  _cancelRendering() {
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      if (this._pages[i]) {
+        this._pages[i].cancelRendering();
+      }
+    }
+  }
+
+  _ensurePdfPageLoaded(pageView) {
+    if (pageView.pdfPage) {
+      return Promise.resolve(pageView.pdfPage);
+    }
+
+    if (this._pagesRequests.has(pageView)) {
+      return this._pagesRequests.get(pageView);
+    }
+
+    const promise = this.pdfDocument.getPage(pageView.id).then(pdfPage => {
+      if (!pageView.pdfPage) {
+        pageView.setPdfPage(pdfPage);
+      }
+
+      this._pagesRequests.delete(pageView);
+
+      return pdfPage;
+    }).catch(reason => {
+      console.error("Unable to get page for page view", reason);
+
+      this._pagesRequests.delete(pageView);
+    });
+
+    this._pagesRequests.set(pageView, promise);
+
+    return promise;
+  }
+
+  forceRendering(currentlyVisiblePages) {
+    const visiblePages = currentlyVisiblePages || this._getVisiblePages();
+
+    const scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
+    const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
+
+    if (pageView) {
+      this._ensurePdfPageLoaded(pageView).then(() => {
+        this.renderingQueue.renderView(pageView);
+      });
+
+      return true;
+    }
+
+    return false;
+  }
+
+  createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
+    return new _text_layer_builder.TextLayerBuilder({
+      textLayerDiv,
+      eventBus,
+      pageIndex,
+      viewport,
+      findController: this.isInPresentationMode ? null : this.findController,
+      enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
+    });
+  }
+
+  createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = false, l10n = _ui_utils.NullL10n) {
+    return new _annotation_layer_builder.AnnotationLayerBuilder({
+      pageDiv,
+      pdfPage,
+      annotationStorage,
+      imageResourcesPath,
+      renderInteractiveForms,
+      linkService: this.linkService,
+      downloadManager: this.downloadManager,
+      l10n
+    });
+  }
+
+  get hasEqualPageSizes() {
+    const firstPageView = this._pages[0];
+
+    for (let i = 1, ii = this._pages.length; i < ii; ++i) {
+      const pageView = this._pages[i];
+
+      if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  getPagesOverview() {
+    const pagesOverview = this._pages.map(function (pageView) {
+      const viewport = pageView.pdfPage.getViewport({
+        scale: 1
+      });
+      return {
+        width: viewport.width,
+        height: viewport.height,
+        rotation: viewport.rotation
+      };
+    });
+
+    if (!this.enablePrintAutoRotate) {
+      return pagesOverview;
+    }
+
+    return pagesOverview.map(function (size) {
+      if ((0, _ui_utils.isPortraitOrientation)(size)) {
+        return size;
+      }
+
+      return {
+        width: size.height,
+        height: size.width,
+        rotation: (size.rotation + 90) % 360
+      };
+    });
+  }
+
+  get optionalContentConfigPromise() {
+    if (!this.pdfDocument) {
+      return Promise.resolve(null);
+    }
+
+    if (!this._optionalContentConfigPromise) {
+      return this.pdfDocument.getOptionalContentConfig();
+    }
+
+    return this._optionalContentConfigPromise;
+  }
+
+  set optionalContentConfigPromise(promise) {
+    if (!(promise instanceof Promise)) {
+      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!this._optionalContentConfigPromise) {
+      return;
+    }
+
+    this._optionalContentConfigPromise = promise;
+
+    for (const pageView of this._pages) {
+      pageView.update(pageView.scale, pageView.rotation, promise);
+    }
+
+    this.update();
+    this.eventBus.dispatch("optionalcontentconfigchanged", {
+      source: this,
+      promise
+    });
+  }
+
+  get scrollMode() {
+    return this._scrollMode;
+  }
+
+  set scrollMode(mode) {
+    if (this._scrollMode === mode) {
+      return;
+    }
+
+    if (!(0, _ui_utils.isValidScrollMode)(mode)) {
+      throw new Error(`Invalid scroll mode: ${mode}`);
+    }
+
+    this._scrollMode = mode;
+    this.eventBus.dispatch("scrollmodechanged", {
+      source: this,
+      mode
+    });
+
+    this._updateScrollMode(this._currentPageNumber);
+  }
+
+  _updateScrollMode(pageNumber = null) {
+    const scrollMode = this._scrollMode,
+          viewer = this.viewer;
+    viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
+    viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
+
+    if (!this.pdfDocument || !pageNumber) {
+      return;
+    }
+
+    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    this._setCurrentPageNumber(pageNumber, true);
+
+    this.update();
+  }
+
+  get spreadMode() {
+    return this._spreadMode;
+  }
+
+  set spreadMode(mode) {
+    if (this._spreadMode === mode) {
+      return;
+    }
+
+    if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
+      throw new Error(`Invalid spread mode: ${mode}`);
+    }
+
+    this._spreadMode = mode;
+    this.eventBus.dispatch("spreadmodechanged", {
+      source: this,
+      mode
+    });
+
+    this._updateSpreadMode(this._currentPageNumber);
+  }
+
+  _updateSpreadMode(pageNumber = null) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const viewer = this.viewer,
+          pages = this._pages;
+    viewer.textContent = "";
+
+    if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
+      for (let i = 0, iMax = pages.length; i < iMax; ++i) {
+        viewer.appendChild(pages[i].div);
+      }
+    } else {
+      const parity = this._spreadMode - 1;
+      let spread = null;
+
+      for (let i = 0, iMax = pages.length; i < iMax; ++i) {
+        if (spread === null) {
+          spread = document.createElement("div");
+          spread.className = "spread";
+          viewer.appendChild(spread);
+        } else if (i % 2 === parity) {
+          spread = spread.cloneNode(false);
+          viewer.appendChild(spread);
+        }
+
+        spread.appendChild(pages[i].div);
+      }
+    }
+
+    if (!pageNumber) {
+      return;
+    }
+
+    this._setCurrentPageNumber(pageNumber, true);
+
+    this.update();
+  }
+
+}
+
+exports.BaseViewer = BaseViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/chromecom.js b/node_modules/pdfjs-dist/lib/web/chromecom.js
new file mode 100644
index 00000000..d207b55f
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/chromecom.js
@@ -0,0 +1,392 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ChromeCom = void 0;
+
+var _app = require("./app.js");
+
+var _app_options = require("./app_options.js");
+
+var _preferences = require("./preferences.js");
+
+var _download_manager = require("./download_manager.js");
+
+var _genericl10n = require("./genericl10n.js");
+
+{
+  throw new Error('Module "pdfjs-web/chromecom" shall not be used outside CHROME build.');
+}
+const ChromeCom = {
+  request(action, data, callback) {
+    const message = {
+      action,
+      data
+    };
+
+    if (!chrome.runtime) {
+      console.error("chrome.runtime is undefined.");
+
+      if (callback) {
+        callback();
+      }
+    } else if (callback) {
+      chrome.runtime.sendMessage(message, callback);
+    } else {
+      chrome.runtime.sendMessage(message);
+    }
+  },
+
+  resolvePDFFile(file, overlayManager, callback) {
+    file = file.replace(/^drive:/i, "filesystem:" + location.origin + "/external/");
+
+    if (/^https?:/.test(file)) {
+      setReferer(file, function () {
+        callback(file);
+      });
+      return;
+    }
+
+    if (/^file?:/.test(file)) {
+      getEmbedderOrigin(function (origin) {
+        if (origin && !/^file:|^chrome-extension:/.test(origin)) {
+          _app.PDFViewerApplication.error("Blocked " + origin + " from loading " + file + ". Refused to load a local file in a non-local page " + "for security reasons.");
+
+          return;
+        }
+
+        isAllowedFileSchemeAccess(function (isAllowedAccess) {
+          if (isAllowedAccess) {
+            callback(file);
+          } else {
+            requestAccessToLocalFile(file, overlayManager, callback);
+          }
+        });
+      });
+      return;
+    }
+
+    callback(file);
+  }
+
+};
+exports.ChromeCom = ChromeCom;
+
+function getEmbedderOrigin(callback) {
+  const origin = window === top ? location.origin : location.ancestorOrigins[0];
+
+  if (origin === "null") {
+    getParentOrigin(callback);
+  } else {
+    callback(origin);
+  }
+}
+
+function getParentOrigin(callback) {
+  ChromeCom.request("getParentOrigin", null, callback);
+}
+
+function isAllowedFileSchemeAccess(callback) {
+  ChromeCom.request("isAllowedFileSchemeAccess", null, callback);
+}
+
+function isRuntimeAvailable() {
+  try {
+    if (chrome.runtime && chrome.runtime.getManifest()) {
+      return true;
+    }
+  } catch (e) {}
+
+  return false;
+}
+
+function reloadIfRuntimeIsUnavailable() {
+  if (!isRuntimeAvailable()) {
+    location.reload();
+  }
+}
+
+let chromeFileAccessOverlayPromise;
+
+function requestAccessToLocalFile(fileUrl, overlayManager, callback) {
+  let onCloseOverlay = null;
+
+  if (top !== window) {
+    window.addEventListener("focus", reloadIfRuntimeIsUnavailable);
+
+    onCloseOverlay = function () {
+      window.removeEventListener("focus", reloadIfRuntimeIsUnavailable);
+      reloadIfRuntimeIsUnavailable();
+      overlayManager.close("chromeFileAccessOverlay");
+    };
+  }
+
+  if (!chromeFileAccessOverlayPromise) {
+    chromeFileAccessOverlayPromise = overlayManager.register("chromeFileAccessOverlay", document.getElementById("chromeFileAccessOverlay"), onCloseOverlay, true);
+  }
+
+  chromeFileAccessOverlayPromise.then(function () {
+    const iconPath = chrome.runtime.getManifest().icons[48];
+    document.getElementById("chrome-pdfjs-logo-bg").style.backgroundImage = "url(" + chrome.runtime.getURL(iconPath) + ")";
+    const i18nFileAccessLabel = {
+      "am": "\u1208\u134b\u12ed\u120d \u12e9\u12a0\u122d\u12a4\u120d\u12ce\u127d \u1218\u12f3\u1228\u123b \u134d\u1240\u12f5",
+      "ar": "\u200f\u0627\u0644\u0633\u0645\u0627\u062d \u0628\u0627\u0644\u062f\u062e\u0648\u0644 \u0625\u0644\u0649 \u0639\u0646\u0627\u0648\u064a\u0646 URL \u0644\u0644\u0645\u0644\u0641\u0627\u062a",
+      "bg": "\u0414\u0430 \u0441\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0438 \u0434\u043e\u0441\u0442\u044a\u043f \u0434\u043e URL \u0430\u0434\u0440\u0435\u0441\u0438\u0442\u0435 \u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0435\u0442\u0435",
+      "bn": "\u09ab\u09be\u0987\u09b2 URL\u0997\u09c1\u09b2\u09bf\u09a4\u09c7 \u0985\u09cd\u09af\u09be\u0995\u09cd\u09b8\u09c7\u09b8 \u09ae\u099e\u09cd\u099c\u09c1\u09b0 \u0995\u09b0\u09c1\u09a8",
+      "ca": "Permet l'acc\u00e9s als URL de fitxer",
+      "cs": "Umo\u017enit p\u0159\u00edstup k adres\u00e1m URL soubor\u016f",
+      "da": "Tillad adgang til webadresser p\u00e5 filer",
+      "de": "Zugriff auf Datei-URLs zulassen",
+      "el": "\u039d\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 URL \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd",
+      "en-GB": "Allow access to file URLs",
+      "es": "Permitir acceso a URL de archivo",
+      "es-419": "Permitir el acceso a las URL del archivo",
+      "et": "Luba juurdep\u00e4\u00e4s failide URL-idele",
+      "fa": "\u200f\u0627\u062c\u0627\u0632\u0647\u0654 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 URL \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644",
+      "fi": "Salli tiedostojen URL-osoitteiden k\u00e4ytt\u00f6",
+      "fil": "Payagan ang access na mag-file ng mga URL",
+      "fr": "Autoriser l'acc\u00e8s aux URL de fichier",
+      "gu": "URL \u0aab\u0abe\u0a87\u0ab2 \u0a95\u0ab0\u0ab5\u0abe \u0a8d\u0a95\u0acd\u0ab8\u0ac7\u0ab8\u0aa8\u0ac0 \u0aae\u0a82\u0a9c\u0ac2\u0ab0\u0ac0 \u0a86\u0aaa\u0acb",
+      "hi": "\u092b\u093c\u093e\u0907\u0932 URL \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0902",
+      "hr": "Dozvoli pristup URL-ovima datoteke",
+      "hu": "F\u00e1jl URL-ekhez val\u00f3 hozz\u00e1f\u00e9r\u00e9s enged\u00e9lyez\u00e9se",
+      "id": "Izinkan akses ke URL file",
+      "it": "Consenti l'accesso agli URL dei file",
+      "iw": "\u05d0\u05e4\u05e9\u05e8 \u05d2\u05d9\u05e9\u05d4 \u05dc\u05db\u05ea\u05d5\u05d1\u05d5\u05ea \u05d0\u05ea\u05e8\u05d9\u05dd \u05e9\u05dc \u05e7\u05d1\u05e6\u05d9\u05dd",
+      "ja": "\u30d5\u30a1\u30a4\u30eb\u306e URL \u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b",
+      "kn": "URL \u0c97\u0cb3\u0ca8\u0ccd\u0ca8\u0cc1 \u0cab\u0cc8\u0cb2\u0ccd\u200c\u0c97\u0cb3\u0cbf\u0c97\u0cc6 \u0caa\u0ccd\u0cb0\u0cb5\u0cc7\u0cb6\u0cbf\u0cb8\u0cb2\u0cc1 \u0c85\u0ca8\u0cc1\u0cae\u0ca4\u0cbf\u0cb8\u0cbf",
+      "ko": "\ud30c\uc77c URL\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4 \ud5c8\uc6a9",
+      "lt": "Leisti pasiekti failo URL",
+      "lv": "At\u013caut piek\u013cuvi faila vietr\u0101\u017eiem URL",
+      "ml": "URL \u0d15\u0d33\u0d4d\u200d\u200c \u0d2b\u0d2f\u0d32\u0d4d\u200d\u200c \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d28\u0d4d\u0d28\u0d24\u0d3f\u0d28\u0d4d \u0d06\u0d15\u0d4d\u200d\u0d38\u0d38\u0d4d\u0d38\u0d4d \u0d05\u0d28\u0d41\u0d35\u0d26\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15",
+      "mr": "\u092b\u093e\u0907\u0932 URL \u092e\u0927\u094d\u092f\u0947 \u092a\u094d\u0930\u0935\u0947\u0936\u093e\u0938 \u0905\u0928\u0941\u092e\u0924\u0940 \u0926\u094d\u092f\u093e",
+      "ms": "Membenarkan akses ke URL fail",
+      "nl": "Toegang tot bestand-URL's toestaan",
+      "no": "Tillat tilgang til filnettadresser",
+      "pl": "Zezwalaj na dost\u0119p do adres\u00f3w URL plik\u00f3w",
+      "pt-BR": "Permitir acesso aos URLs do arquivo",
+      "pt-PT": "Permitir acesso a URLs de ficheiro",
+      "ro": "Permite accesul la adresele URL de fi\u0219iere",
+      "ru": "\u0420\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044c \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0430\u043c",
+      "sk": "Povoli\u0165 pr\u00edstup k webov\u00fdm adres\u00e1m s\u00faboru",
+      "sl": "Dovoli dostop do URL-jev datoteke",
+      "sr": "\u0414\u043e\u0437\u0432\u043e\u043b\u0438 \u043f\u0440\u0438\u0441\u0442\u0443\u043f URL \u0430\u0434\u0440\u0435\u0441\u0430\u043c\u0430 \u0434\u0430\u0442\u043e\u0442\u0435\u043a\u0430",
+      "sv": "Till\u00e5t \u00e5tkomst till webbadresser i filen",
+      "sw": "Ruhusu kufikia URL za faili",
+      "ta": "\u0b95\u0bcb\u0baa\u0bcd\u0baa\u0bc1  URL\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b85\u0ba3\u0bc1\u0b95\u0bb2\u0bc8 \u0b85\u0ba9\u0bc1\u0bae\u0ba4\u0bbf",
+      "te": "\u0c2b\u0c48\u0c32\u0c4d URL\u0c32\u0c15\u0c41 \u0c2a\u0c4d\u0c30\u0c3e\u0c2a\u0c4d\u0c24\u0c3f\u0c28\u0c3f \u0c05\u0c28\u0c41\u0c2e\u0c24\u0c3f\u0c02\u0c1a\u0c41",
+      "th": "\u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15\u0e43\u0e2b\u0e49\u0e40\u0e02\u0e49\u0e32\u0e16\u0e36\u0e07\u0e44\u0e1f\u0e25\u0e4c URL",
+      "tr": "Dosya URL'lerine eri\u015fime izin ver",
+      "uk": "\u041d\u0430\u0434\u0430\u0432\u0430\u0442\u0438 \u0434\u043e\u0441\u0442\u0443\u043f \u0434\u043e URL-\u0430\u0434\u0440\u0435\u0441 \u0444\u0430\u0439\u043b\u0443",
+      "vi": "Cho ph\u00e9p truy c\u1eadp v\u00e0o c\u00e1c URL c\u1ee7a t\u1ec7p",
+      "zh-CN": "\u5141\u8bb8\u8bbf\u95ee\u6587\u4ef6\u7f51\u5740",
+      "zh-TW": "\u5141\u8a31\u5b58\u53d6\u6a94\u6848\u7db2\u5740"
+    }[chrome.i18n.getUILanguage && chrome.i18n.getUILanguage()];
+
+    if (i18nFileAccessLabel) {
+      document.getElementById("chrome-file-access-label").textContent = i18nFileAccessLabel;
+    }
+
+    const link = document.getElementById("chrome-link-to-extensions-page");
+    link.href = "chrome://extensions/?id=" + chrome.runtime.id;
+
+    link.onclick = function (e) {
+      e.preventDefault();
+      ChromeCom.request("openExtensionsPageForFileAccess", {
+        newTab: e.ctrlKey || e.metaKey || e.button === 1 || window !== top
+      });
+    };
+
+    document.getElementById("chrome-url-of-local-file").textContent = fileUrl;
+
+    document.getElementById("chrome-file-fallback").onchange = function () {
+      const file = this.files[0];
+
+      if (file) {
+        const originalFilename = decodeURIComponent(fileUrl.split("/").pop());
+        let originalUrl = fileUrl;
+
+        if (originalFilename !== file.name) {
+          const msg = "The selected file does not match the original file." + "\nOriginal: " + originalFilename + "\nSelected: " + file.name + "\nDo you want to open the selected file?";
+
+          if (!confirm(msg)) {
+            this.value = "";
+            return;
+          }
+
+          originalUrl = "file:///fakepath/to/" + encodeURIComponent(file.name);
+        }
+
+        callback(URL.createObjectURL(file), file.size, originalUrl);
+        overlayManager.close("chromeFileAccessOverlay");
+      }
+    };
+
+    overlayManager.open("chromeFileAccessOverlay");
+  });
+}
+
+if (window === top) {
+  addEventListener("unload", function () {
+    if (!isRuntimeAvailable()) {
+      localStorage.setItem("unload-" + Date.now() + "-" + document.hidden + "-" + location.href, JSON.stringify(history.state));
+    }
+  });
+}
+
+let port;
+
+function setReferer(url, callback) {
+  if (!port) {
+    port = chrome.runtime.connect({
+      name: "chromecom-referrer"
+    });
+  }
+
+  port.onDisconnect.addListener(onDisconnect);
+  port.onMessage.addListener(onMessage);
+  port.postMessage({
+    referer: window.history.state && window.history.state.chromecomState,
+    requestUrl: url
+  });
+
+  function onMessage(referer) {
+    if (referer) {
+      const state = window.history.state || {};
+      state.chromecomState = referer;
+      window.history.replaceState(state, "");
+    }
+
+    onCompleted();
+  }
+
+  function onDisconnect() {
+    port = null;
+    callback();
+  }
+
+  function onCompleted() {
+    port.onDisconnect.removeListener(onDisconnect);
+    port.onMessage.removeListener(onMessage);
+    callback();
+  }
+}
+
+const storageArea = chrome.storage.sync || chrome.storage.local;
+
+class ChromePreferences extends _preferences.BasePreferences {
+  async _writeToStorage(prefObj) {
+    return new Promise(resolve => {
+      if (prefObj === this.defaults) {
+        const keysToRemove = Object.keys(this.defaults);
+        storageArea.remove(keysToRemove, function () {
+          resolve();
+        });
+      } else {
+        storageArea.set(prefObj, function () {
+          resolve();
+        });
+      }
+    });
+  }
+
+  async _readFromStorage(prefObj) {
+    return new Promise(resolve => {
+      const getPreferences = defaultPrefs => {
+        if (chrome.runtime.lastError) {
+          defaultPrefs = this.defaults;
+        }
+
+        storageArea.get(defaultPrefs, function (readPrefs) {
+          resolve(readPrefs);
+        });
+      };
+
+      if (chrome.storage.managed) {
+        const defaultManagedPrefs = Object.assign({
+          enableHandToolOnLoad: false,
+          disableTextLayer: false,
+          enhanceTextSelection: false,
+          showPreviousViewOnLoad: true,
+          disablePageMode: false
+        }, this.defaults);
+        chrome.storage.managed.get(defaultManagedPrefs, function (items) {
+          items = items || defaultManagedPrefs;
+
+          if (items.enableHandToolOnLoad && !items.cursorToolOnLoad) {
+            items.cursorToolOnLoad = 1;
+          }
+
+          delete items.enableHandToolOnLoad;
+
+          if (items.textLayerMode !== 1) {
+            if (items.disableTextLayer) {
+              items.textLayerMode = 0;
+            } else if (items.enhanceTextSelection) {
+              items.textLayerMode = 2;
+            }
+          }
+
+          delete items.disableTextLayer;
+          delete items.enhanceTextSelection;
+
+          if (!items.showPreviousViewOnLoad && !items.viewOnLoad) {
+            items.viewOnLoad = 1;
+          }
+
+          delete items.showPreviousViewOnLoad;
+          delete items.disablePageMode;
+          getPreferences(items);
+        });
+      } else {
+        getPreferences(this.defaults);
+      }
+    });
+  }
+
+}
+
+class ChromeExternalServices extends _app.DefaultExternalServices {
+  static initPassiveLoading(callbacks) {
+    ChromeCom.resolvePDFFile(_app_options.AppOptions.get("defaultUrl"), _app.PDFViewerApplication.overlayManager, function (url, length, originalUrl) {
+      callbacks.onOpenWithURL(url, length, originalUrl);
+    });
+  }
+
+  static createDownloadManager(options) {
+    return new _download_manager.DownloadManager(options);
+  }
+
+  static createPreferences() {
+    return new ChromePreferences();
+  }
+
+  static createL10n(options) {
+    return new _genericl10n.GenericL10n(navigator.language);
+  }
+
+}
+
+_app.PDFViewerApplication.externalServices = ChromeExternalServices;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/debugger.js b/node_modules/pdfjs-dist/lib/web/debugger.js
new file mode 100644
index 00000000..dca368d1
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/debugger.js
@@ -0,0 +1,670 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+var FontInspector = function FontInspectorClosure() {
+  var fonts;
+  var active = false;
+  var fontAttribute = "data-font-name";
+
+  function removeSelection() {
+    const divs = document.querySelectorAll(`span[${fontAttribute}]`);
+
+    for (const div of divs) {
+      div.className = "";
+    }
+  }
+
+  function resetSelection() {
+    const divs = document.querySelectorAll(`span[${fontAttribute}]`);
+
+    for (const div of divs) {
+      div.className = "debuggerHideText";
+    }
+  }
+
+  function selectFont(fontName, show) {
+    const divs = document.querySelectorAll(`span[${fontAttribute}=${fontName}]`);
+
+    for (const div of divs) {
+      div.className = show ? "debuggerShowText" : "debuggerHideText";
+    }
+  }
+
+  function textLayerClick(e) {
+    if (!e.target.dataset.fontName || e.target.tagName.toUpperCase() !== "SPAN") {
+      return;
+    }
+
+    var fontName = e.target.dataset.fontName;
+    var selects = document.getElementsByTagName("input");
+
+    for (var i = 0; i < selects.length; ++i) {
+      var select = selects[i];
+
+      if (select.dataset.fontName !== fontName) {
+        continue;
+      }
+
+      select.checked = !select.checked;
+      selectFont(fontName, select.checked);
+      select.scrollIntoView();
+    }
+  }
+
+  return {
+    id: "FontInspector",
+    name: "Font Inspector",
+    panel: null,
+    manager: null,
+    init: function init(pdfjsLib) {
+      var panel = this.panel;
+      var tmp = document.createElement("button");
+      tmp.addEventListener("click", resetSelection);
+      tmp.textContent = "Refresh";
+      panel.appendChild(tmp);
+      fonts = document.createElement("div");
+      panel.appendChild(fonts);
+    },
+    cleanup: function cleanup() {
+      fonts.textContent = "";
+    },
+    enabled: false,
+
+    get active() {
+      return active;
+    },
+
+    set active(value) {
+      active = value;
+
+      if (active) {
+        document.body.addEventListener("click", textLayerClick, true);
+        resetSelection();
+      } else {
+        document.body.removeEventListener("click", textLayerClick, true);
+        removeSelection();
+      }
+    },
+
+    fontAdded: function fontAdded(fontObj, url) {
+      function properties(obj, list) {
+        var moreInfo = document.createElement("table");
+
+        for (var i = 0; i < list.length; i++) {
+          var tr = document.createElement("tr");
+          var td1 = document.createElement("td");
+          td1.textContent = list[i];
+          tr.appendChild(td1);
+          var td2 = document.createElement("td");
+          td2.textContent = obj[list[i]].toString();
+          tr.appendChild(td2);
+          moreInfo.appendChild(tr);
+        }
+
+        return moreInfo;
+      }
+
+      var moreInfo = properties(fontObj, ["name", "type"]);
+      const fontName = fontObj.loadedName;
+      var font = document.createElement("div");
+      var name = document.createElement("span");
+      name.textContent = fontName;
+      var download = document.createElement("a");
+
+      if (url) {
+        url = /url\(['"]?([^\)"']+)/.exec(url);
+        download.href = url[1];
+      } else if (fontObj.data) {
+        download.href = URL.createObjectURL(new Blob([fontObj.data], {
+          type: fontObj.mimeType
+        }));
+      }
+
+      download.textContent = "Download";
+      var logIt = document.createElement("a");
+      logIt.href = "";
+      logIt.textContent = "Log";
+      logIt.addEventListener("click", function (event) {
+        event.preventDefault();
+        console.log(fontObj);
+      });
+      const select = document.createElement("input");
+      select.setAttribute("type", "checkbox");
+      select.dataset.fontName = fontName;
+      select.addEventListener("click", function () {
+        selectFont(fontName, select.checked);
+      });
+      font.appendChild(select);
+      font.appendChild(name);
+      font.appendChild(document.createTextNode(" "));
+      font.appendChild(download);
+      font.appendChild(document.createTextNode(" "));
+      font.appendChild(logIt);
+      font.appendChild(moreInfo);
+      fonts.appendChild(font);
+      setTimeout(() => {
+        if (this.active) {
+          resetSelection();
+        }
+      }, 2000);
+    }
+  };
+}();
+
+var opMap;
+
+var StepperManager = function StepperManagerClosure() {
+  var steppers = [];
+  var stepperDiv = null;
+  var stepperControls = null;
+  var stepperChooser = null;
+  var breakPoints = Object.create(null);
+  return {
+    id: "Stepper",
+    name: "Stepper",
+    panel: null,
+    manager: null,
+    init: function init(pdfjsLib) {
+      var self = this;
+      stepperControls = document.createElement("div");
+      stepperChooser = document.createElement("select");
+      stepperChooser.addEventListener("change", function (event) {
+        self.selectStepper(this.value);
+      });
+      stepperControls.appendChild(stepperChooser);
+      stepperDiv = document.createElement("div");
+      this.panel.appendChild(stepperControls);
+      this.panel.appendChild(stepperDiv);
+
+      if (sessionStorage.getItem("pdfjsBreakPoints")) {
+        breakPoints = JSON.parse(sessionStorage.getItem("pdfjsBreakPoints"));
+      }
+
+      opMap = Object.create(null);
+
+      for (var key in pdfjsLib.OPS) {
+        opMap[pdfjsLib.OPS[key]] = key;
+      }
+    },
+    cleanup: function cleanup() {
+      stepperChooser.textContent = "";
+      stepperDiv.textContent = "";
+      steppers = [];
+    },
+    enabled: false,
+    active: false,
+    create: function create(pageIndex) {
+      var debug = document.createElement("div");
+      debug.id = "stepper" + pageIndex;
+      debug.setAttribute("hidden", true);
+      debug.className = "stepper";
+      stepperDiv.appendChild(debug);
+      var b = document.createElement("option");
+      b.textContent = "Page " + (pageIndex + 1);
+      b.value = pageIndex;
+      stepperChooser.appendChild(b);
+      var initBreakPoints = breakPoints[pageIndex] || [];
+      var stepper = new Stepper(debug, pageIndex, initBreakPoints);
+      steppers.push(stepper);
+
+      if (steppers.length === 1) {
+        this.selectStepper(pageIndex, false);
+      }
+
+      return stepper;
+    },
+    selectStepper: function selectStepper(pageIndex, selectPanel) {
+      var i;
+      pageIndex = pageIndex | 0;
+
+      if (selectPanel) {
+        this.manager.selectPanel(this);
+      }
+
+      for (i = 0; i < steppers.length; ++i) {
+        var stepper = steppers[i];
+
+        if (stepper.pageIndex === pageIndex) {
+          stepper.panel.removeAttribute("hidden");
+        } else {
+          stepper.panel.setAttribute("hidden", true);
+        }
+      }
+
+      var options = stepperChooser.options;
+
+      for (i = 0; i < options.length; ++i) {
+        var option = options[i];
+        option.selected = (option.value | 0) === pageIndex;
+      }
+    },
+    saveBreakPoints: function saveBreakPoints(pageIndex, bps) {
+      breakPoints[pageIndex] = bps;
+      sessionStorage.setItem("pdfjsBreakPoints", JSON.stringify(breakPoints));
+    }
+  };
+}();
+
+var Stepper = function StepperClosure() {
+  function c(tag, textContent) {
+    var d = document.createElement(tag);
+
+    if (textContent) {
+      d.textContent = textContent;
+    }
+
+    return d;
+  }
+
+  function simplifyArgs(args) {
+    if (typeof args === "string") {
+      var MAX_STRING_LENGTH = 75;
+      return args.length <= MAX_STRING_LENGTH ? args : args.substring(0, MAX_STRING_LENGTH) + "...";
+    }
+
+    if (typeof args !== "object" || args === null) {
+      return args;
+    }
+
+    if ("length" in args) {
+      var simpleArgs = [],
+          i,
+          ii;
+      var MAX_ITEMS = 10;
+
+      for (i = 0, ii = Math.min(MAX_ITEMS, args.length); i < ii; i++) {
+        simpleArgs.push(simplifyArgs(args[i]));
+      }
+
+      if (i < args.length) {
+        simpleArgs.push("...");
+      }
+
+      return simpleArgs;
+    }
+
+    var simpleObj = {};
+
+    for (var key in args) {
+      simpleObj[key] = simplifyArgs(args[key]);
+    }
+
+    return simpleObj;
+  }
+
+  function Stepper(panel, pageIndex, initialBreakPoints) {
+    this.panel = panel;
+    this.breakPoint = 0;
+    this.nextBreakPoint = null;
+    this.pageIndex = pageIndex;
+    this.breakPoints = initialBreakPoints;
+    this.currentIdx = -1;
+    this.operatorListIdx = 0;
+  }
+
+  Stepper.prototype = {
+    init: function init(operatorList) {
+      var panel = this.panel;
+      var content = c("div", "c=continue, s=step");
+      var table = c("table");
+      content.appendChild(table);
+      table.cellSpacing = 0;
+      var headerRow = c("tr");
+      table.appendChild(headerRow);
+      headerRow.appendChild(c("th", "Break"));
+      headerRow.appendChild(c("th", "Idx"));
+      headerRow.appendChild(c("th", "fn"));
+      headerRow.appendChild(c("th", "args"));
+      panel.appendChild(content);
+      this.table = table;
+      this.updateOperatorList(operatorList);
+    },
+    updateOperatorList: function updateOperatorList(operatorList) {
+      var self = this;
+
+      function cboxOnClick() {
+        var x = +this.dataset.idx;
+
+        if (this.checked) {
+          self.breakPoints.push(x);
+        } else {
+          self.breakPoints.splice(self.breakPoints.indexOf(x), 1);
+        }
+
+        StepperManager.saveBreakPoints(self.pageIndex, self.breakPoints);
+      }
+
+      var MAX_OPERATORS_COUNT = 15000;
+
+      if (this.operatorListIdx > MAX_OPERATORS_COUNT) {
+        return;
+      }
+
+      var chunk = document.createDocumentFragment();
+      var operatorsToDisplay = Math.min(MAX_OPERATORS_COUNT, operatorList.fnArray.length);
+
+      for (var i = this.operatorListIdx; i < operatorsToDisplay; i++) {
+        var line = c("tr");
+        line.className = "line";
+        line.dataset.idx = i;
+        chunk.appendChild(line);
+        var checked = this.breakPoints.includes(i);
+        var args = operatorList.argsArray[i] || [];
+        var breakCell = c("td");
+        var cbox = c("input");
+        cbox.type = "checkbox";
+        cbox.className = "points";
+        cbox.checked = checked;
+        cbox.dataset.idx = i;
+        cbox.onclick = cboxOnClick;
+        breakCell.appendChild(cbox);
+        line.appendChild(breakCell);
+        line.appendChild(c("td", i.toString()));
+        var fn = opMap[operatorList.fnArray[i]];
+        var decArgs = args;
+
+        if (fn === "showText") {
+          var glyphs = args[0];
+          var newArgs = [];
+          var str = [];
+
+          for (var j = 0; j < glyphs.length; j++) {
+            var glyph = glyphs[j];
+
+            if (typeof glyph === "object" && glyph !== null) {
+              str.push(glyph.fontChar);
+            } else {
+              if (str.length > 0) {
+                newArgs.push(str.join(""));
+                str = [];
+              }
+
+              newArgs.push(glyph);
+            }
+          }
+
+          if (str.length > 0) {
+            newArgs.push(str.join(""));
+          }
+
+          decArgs = [newArgs];
+        }
+
+        line.appendChild(c("td", fn));
+        line.appendChild(c("td", JSON.stringify(simplifyArgs(decArgs))));
+      }
+
+      if (operatorsToDisplay < operatorList.fnArray.length) {
+        line = c("tr");
+        var lastCell = c("td", "...");
+        lastCell.colspan = 4;
+        chunk.appendChild(lastCell);
+      }
+
+      this.operatorListIdx = operatorList.fnArray.length;
+      this.table.appendChild(chunk);
+    },
+    getNextBreakPoint: function getNextBreakPoint() {
+      this.breakPoints.sort(function (a, b) {
+        return a - b;
+      });
+
+      for (var i = 0; i < this.breakPoints.length; i++) {
+        if (this.breakPoints[i] > this.currentIdx) {
+          return this.breakPoints[i];
+        }
+      }
+
+      return null;
+    },
+    breakIt: function breakIt(idx, callback) {
+      StepperManager.selectStepper(this.pageIndex, true);
+      var self = this;
+      var dom = document;
+      self.currentIdx = idx;
+
+      var listener = function (e) {
+        switch (e.keyCode) {
+          case 83:
+            dom.removeEventListener("keydown", listener);
+            self.nextBreakPoint = self.currentIdx + 1;
+            self.goTo(-1);
+            callback();
+            break;
+
+          case 67:
+            dom.removeEventListener("keydown", listener);
+            var breakPoint = self.getNextBreakPoint();
+            self.nextBreakPoint = breakPoint;
+            self.goTo(-1);
+            callback();
+            break;
+        }
+      };
+
+      dom.addEventListener("keydown", listener);
+      self.goTo(idx);
+    },
+    goTo: function goTo(idx) {
+      var allRows = this.panel.getElementsByClassName("line");
+
+      for (var x = 0, xx = allRows.length; x < xx; ++x) {
+        var row = allRows[x];
+
+        if ((row.dataset.idx | 0) === idx) {
+          row.style.backgroundColor = "rgb(251,250,207)";
+          row.scrollIntoView();
+        } else {
+          row.style.backgroundColor = null;
+        }
+      }
+    }
+  };
+  return Stepper;
+}();
+
+var Stats = function Stats() {
+  var stats = [];
+
+  function clear(node) {
+    while (node.hasChildNodes()) {
+      node.removeChild(node.lastChild);
+    }
+  }
+
+  function getStatIndex(pageNumber) {
+    for (var i = 0, ii = stats.length; i < ii; ++i) {
+      if (stats[i].pageNumber === pageNumber) {
+        return i;
+      }
+    }
+
+    return false;
+  }
+
+  return {
+    id: "Stats",
+    name: "Stats",
+    panel: null,
+    manager: null,
+
+    init(pdfjsLib) {},
+
+    enabled: false,
+    active: false,
+
+    add(pageNumber, stat) {
+      if (!stat) {
+        return;
+      }
+
+      var statsIndex = getStatIndex(pageNumber);
+
+      if (statsIndex !== false) {
+        const b = stats[statsIndex];
+        this.panel.removeChild(b.div);
+        stats.splice(statsIndex, 1);
+      }
+
+      var wrapper = document.createElement("div");
+      wrapper.className = "stats";
+      var title = document.createElement("div");
+      title.className = "title";
+      title.textContent = "Page: " + pageNumber;
+      var statsDiv = document.createElement("div");
+      statsDiv.textContent = stat.toString();
+      wrapper.appendChild(title);
+      wrapper.appendChild(statsDiv);
+      stats.push({
+        pageNumber,
+        div: wrapper
+      });
+      stats.sort(function (a, b) {
+        return a.pageNumber - b.pageNumber;
+      });
+      clear(this.panel);
+
+      for (var i = 0, ii = stats.length; i < ii; ++i) {
+        this.panel.appendChild(stats[i].div);
+      }
+    },
+
+    cleanup() {
+      stats = [];
+      clear(this.panel);
+    }
+
+  };
+}();
+
+window.PDFBug = function PDFBugClosure() {
+  var panelWidth = 300;
+  var buttons = [];
+  var activePanel = null;
+  return {
+    tools: [FontInspector, StepperManager, Stats],
+
+    enable(ids) {
+      var all = false,
+          tools = this.tools;
+
+      if (ids.length === 1 && ids[0] === "all") {
+        all = true;
+      }
+
+      for (var i = 0; i < tools.length; ++i) {
+        var tool = tools[i];
+
+        if (all || ids.includes(tool.id)) {
+          tool.enabled = true;
+        }
+      }
+
+      if (!all) {
+        tools.sort(function (a, b) {
+          var indexA = ids.indexOf(a.id);
+          indexA = indexA < 0 ? tools.length : indexA;
+          var indexB = ids.indexOf(b.id);
+          indexB = indexB < 0 ? tools.length : indexB;
+          return indexA - indexB;
+        });
+      }
+    },
+
+    init(pdfjsLib, container) {
+      var ui = document.createElement("div");
+      ui.id = "PDFBug";
+      var controls = document.createElement("div");
+      controls.setAttribute("class", "controls");
+      ui.appendChild(controls);
+      var panels = document.createElement("div");
+      panels.setAttribute("class", "panels");
+      ui.appendChild(panels);
+      container.appendChild(ui);
+      container.style.right = panelWidth + "px";
+      var tools = this.tools;
+      var self = this;
+
+      for (var i = 0; i < tools.length; ++i) {
+        var tool = tools[i];
+        var panel = document.createElement("div");
+        var panelButton = document.createElement("button");
+        panelButton.textContent = tool.name;
+        panelButton.addEventListener("click", function (selected) {
+          return function (event) {
+            event.preventDefault();
+            self.selectPanel(selected);
+          };
+        }(i));
+        controls.appendChild(panelButton);
+        panels.appendChild(panel);
+        tool.panel = panel;
+        tool.manager = this;
+
+        if (tool.enabled) {
+          tool.init(pdfjsLib);
+        } else {
+          panel.textContent = tool.name + " is disabled. To enable add " + ' "' + tool.id + '" to the pdfBug parameter ' + "and refresh (separate multiple by commas).";
+        }
+
+        buttons.push(panelButton);
+      }
+
+      this.selectPanel(0);
+    },
+
+    cleanup() {
+      for (var i = 0, ii = this.tools.length; i < ii; i++) {
+        if (this.tools[i].enabled) {
+          this.tools[i].cleanup();
+        }
+      }
+    },
+
+    selectPanel(index) {
+      if (typeof index !== "number") {
+        index = this.tools.indexOf(index);
+      }
+
+      if (index === activePanel) {
+        return;
+      }
+
+      activePanel = index;
+      var tools = this.tools;
+
+      for (var j = 0; j < tools.length; ++j) {
+        if (j === index) {
+          buttons[j].setAttribute("class", "active");
+          tools[j].active = true;
+          tools[j].panel.removeAttribute("hidden");
+        } else {
+          buttons[j].setAttribute("class", "");
+          tools[j].active = false;
+          tools[j].panel.setAttribute("hidden", "true");
+        }
+      }
+    }
+
+  };
+}();
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/download_manager.js b/node_modules/pdfjs-dist/lib/web/download_manager.js
new file mode 100644
index 00000000..a3e0ceed
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/download_manager.js
@@ -0,0 +1,95 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DownloadManager = void 0;
+
+var _pdf = require("../pdf");
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+;
+
+function download(blobUrl, filename) {
+  const a = document.createElement("a");
+
+  if (!a.click) {
+    throw new Error('DownloadManager: "a.click()" is not supported.');
+  }
+
+  a.href = blobUrl;
+  a.target = "_parent";
+
+  if ("download" in a) {
+    a.download = filename;
+  }
+
+  (document.body || document.documentElement).appendChild(a);
+  a.click();
+  a.remove();
+}
+
+class DownloadManager {
+  downloadUrl(url, filename) {
+    if (!(0, _pdf.createValidAbsoluteUrl)(url, "http://example.com")) {
+      return;
+    }
+
+    download(url + "#pdfjs.action=download", filename);
+  }
+
+  downloadData(data, filename, contentType) {
+    if (navigator.msSaveBlob) {
+      navigator.msSaveBlob(new Blob([data], {
+        type: contentType
+      }), filename);
+      return;
+    }
+
+    const blobUrl = (0, _pdf.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
+    download(blobUrl, filename);
+  }
+
+  download(blob, url, filename, sourceEventType = "download") {
+    if (navigator.msSaveBlob) {
+      if (!navigator.msSaveBlob(blob, filename)) {
+        this.downloadUrl(url, filename);
+      }
+
+      return;
+    }
+
+    if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+      this.downloadUrl(url, filename);
+      return;
+    }
+
+    const blobUrl = URL.createObjectURL(blob);
+    download(blobUrl, filename);
+  }
+
+}
+
+exports.DownloadManager = DownloadManager;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/firefox_print_service.js b/node_modules/pdfjs-dist/lib/web/firefox_print_service.js
new file mode 100644
index 00000000..1727d61b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/firefox_print_service.js
@@ -0,0 +1,139 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FirefoxPrintService = FirefoxPrintService;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _app = require("./app.js");
+
+var _pdf = require("../pdf");
+
+function composePage(pdfDocument, pageNumber, size, printContainer, printResolution, optionalContentConfigPromise) {
+  const canvas = document.createElement("canvas");
+  const PRINT_UNITS = printResolution / 72.0;
+  canvas.width = Math.floor(size.width * PRINT_UNITS);
+  canvas.height = Math.floor(size.height * PRINT_UNITS);
+  canvas.style.width = Math.floor(size.width * _ui_utils.CSS_UNITS) + "px";
+  canvas.style.height = Math.floor(size.height * _ui_utils.CSS_UNITS) + "px";
+  const canvasWrapper = document.createElement("div");
+  canvasWrapper.appendChild(canvas);
+  printContainer.appendChild(canvasWrapper);
+  let currentRenderTask = null;
+
+  canvas.mozPrintCallback = function (obj) {
+    const ctx = obj.context;
+    ctx.save();
+    ctx.fillStyle = "rgb(255, 255, 255)";
+    ctx.fillRect(0, 0, canvas.width, canvas.height);
+    ctx.restore();
+    let thisRenderTask = null;
+    pdfDocument.getPage(pageNumber).then(function (pdfPage) {
+      if (currentRenderTask) {
+        currentRenderTask.cancel();
+        currentRenderTask = null;
+      }
+
+      const renderContext = {
+        canvasContext: ctx,
+        transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
+        viewport: pdfPage.getViewport({
+          scale: 1,
+          rotation: size.rotation
+        }),
+        intent: "print",
+        annotationStorage: pdfDocument.annotationStorage,
+        optionalContentConfigPromise
+      };
+      currentRenderTask = thisRenderTask = pdfPage.render(renderContext);
+      return thisRenderTask.promise;
+    }).then(function () {
+      if (currentRenderTask === thisRenderTask) {
+        currentRenderTask = null;
+      }
+
+      obj.done();
+    }, function (error) {
+      console.error(error);
+
+      if (currentRenderTask === thisRenderTask) {
+        currentRenderTask.cancel();
+        currentRenderTask = null;
+      }
+
+      if ("abort" in obj) {
+        obj.abort();
+      } else {
+        obj.done();
+      }
+    });
+  };
+}
+
+function FirefoxPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null) {
+  this.pdfDocument = pdfDocument;
+  this.pagesOverview = pagesOverview;
+  this.printContainer = printContainer;
+  this._printResolution = printResolution || 150;
+  this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig();
+}
+
+FirefoxPrintService.prototype = {
+  layout() {
+    const {
+      pdfDocument,
+      pagesOverview,
+      printContainer,
+      _printResolution,
+      _optionalContentConfigPromise
+    } = this;
+    const body = document.querySelector("body");
+    body.setAttribute("data-pdfjsprinting", true);
+
+    for (let i = 0, ii = pagesOverview.length; i < ii; ++i) {
+      composePage(pdfDocument, i + 1, pagesOverview[i], printContainer, _printResolution, _optionalContentConfigPromise);
+    }
+  },
+
+  destroy() {
+    this.printContainer.textContent = "";
+    const body = document.querySelector("body");
+    body.removeAttribute("data-pdfjsprinting");
+  }
+
+};
+_app.PDFPrintServiceFactory.instance = {
+  get supportsPrinting() {
+    const canvas = document.createElement("canvas");
+    const value = ("mozPrintCallback" in canvas);
+    return (0, _pdf.shadow)(this, "supportsPrinting", value);
+  },
+
+  createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise) {
+    return new FirefoxPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise);
+  }
+
+};
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/firefoxcom.js b/node_modules/pdfjs-dist/lib/web/firefoxcom.js
new file mode 100644
index 00000000..cbdae7e9
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/firefoxcom.js
@@ -0,0 +1,389 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FirefoxCom = exports.DownloadManager = void 0;
+
+require("../extensions/firefox/tools/l10n.js");
+
+var _app = require("./app.js");
+
+var _pdf = require("../pdf");
+
+var _preferences = require("./preferences.js");
+
+var _ui_utils = require("./ui_utils.js");
+
+{
+  throw new Error('Module "./firefoxcom.js" shall not be used outside MOZCENTRAL builds.');
+}
+
+const FirefoxCom = function FirefoxComClosure() {
+  return {
+    requestSync(action, data) {
+      const request = document.createTextNode("");
+      document.documentElement.appendChild(request);
+      const sender = document.createEvent("CustomEvent");
+      sender.initCustomEvent("pdf.js.message", true, false, {
+        action,
+        data,
+        sync: true
+      });
+      request.dispatchEvent(sender);
+      const response = sender.detail.response;
+      document.documentElement.removeChild(request);
+      return response;
+    },
+
+    request(action, data, callback) {
+      const request = document.createTextNode("");
+
+      if (callback) {
+        document.addEventListener("pdf.js.response", function listener(event) {
+          const node = event.target;
+          const response = event.detail.response;
+          document.documentElement.removeChild(node);
+          document.removeEventListener("pdf.js.response", listener);
+          return callback(response);
+        });
+      }
+
+      document.documentElement.appendChild(request);
+      const sender = document.createEvent("CustomEvent");
+      sender.initCustomEvent("pdf.js.message", true, false, {
+        action,
+        data,
+        sync: false,
+        responseExpected: !!callback
+      });
+      return request.dispatchEvent(sender);
+    }
+
+  };
+}();
+
+exports.FirefoxCom = FirefoxCom;
+
+class DownloadManager {
+  downloadUrl(url, filename) {
+    FirefoxCom.request("download", {
+      originalUrl: url,
+      filename
+    });
+  }
+
+  downloadData(data, filename, contentType) {
+    const blobUrl = URL.createObjectURL(new Blob([data], {
+      type: contentType
+    }));
+
+    const onResponse = err => {
+      URL.revokeObjectURL(blobUrl);
+    };
+
+    FirefoxCom.request("download", {
+      blobUrl,
+      originalUrl: blobUrl,
+      filename,
+      isAttachment: true
+    }, onResponse);
+  }
+
+  download(blob, url, filename, sourceEventType = "download") {
+    const blobUrl = URL.createObjectURL(blob);
+
+    const onResponse = err => {
+      if (err && this.onerror) {
+        this.onerror(err);
+      }
+
+      URL.revokeObjectURL(blobUrl);
+    };
+
+    FirefoxCom.request("download", {
+      blobUrl,
+      originalUrl: url,
+      filename,
+      sourceEventType
+    }, onResponse);
+  }
+
+}
+
+exports.DownloadManager = DownloadManager;
+
+class FirefoxPreferences extends _preferences.BasePreferences {
+  async _writeToStorage(prefObj) {
+    return new Promise(function (resolve) {
+      FirefoxCom.request("setPreferences", prefObj, resolve);
+    });
+  }
+
+  async _readFromStorage(prefObj) {
+    return new Promise(function (resolve) {
+      FirefoxCom.request("getPreferences", prefObj, function (prefStr) {
+        const readPrefs = JSON.parse(prefStr);
+        resolve(readPrefs);
+      });
+    });
+  }
+
+}
+
+class MozL10n {
+  constructor(mozL10n) {
+    this.mozL10n = mozL10n;
+  }
+
+  async getLanguage() {
+    return this.mozL10n.getLanguage();
+  }
+
+  async getDirection() {
+    return this.mozL10n.getDirection();
+  }
+
+  async get(property, args, fallback) {
+    return this.mozL10n.get(property, args, fallback);
+  }
+
+  async translate(element) {
+    this.mozL10n.translate(element);
+  }
+
+}
+
+(function listenFindEvents() {
+  const events = ["find", "findagain", "findhighlightallchange", "findcasesensitivitychange", "findentirewordchange", "findbarclose"];
+
+  const handleEvent = function ({
+    type,
+    detail
+  }) {
+    if (!_app.PDFViewerApplication.initialized) {
+      return;
+    }
+
+    if (type === "findbarclose") {
+      _app.PDFViewerApplication.eventBus.dispatch(type, {
+        source: window
+      });
+
+      return;
+    }
+
+    _app.PDFViewerApplication.eventBus.dispatch("find", {
+      source: window,
+      type: type.substring("find".length),
+      query: detail.query,
+      phraseSearch: true,
+      caseSensitive: !!detail.caseSensitive,
+      entireWord: !!detail.entireWord,
+      highlightAll: !!detail.highlightAll,
+      findPrevious: !!detail.findPrevious
+    });
+  };
+
+  for (const event of events) {
+    window.addEventListener(event, handleEvent);
+  }
+})();
+
+(function listenZoomEvents() {
+  const events = ["zoomin", "zoomout", "zoomreset"];
+
+  const handleEvent = function ({
+    type,
+    detail
+  }) {
+    if (!_app.PDFViewerApplication.initialized) {
+      return;
+    }
+
+    if (type === "zoomreset" && _app.PDFViewerApplication.pdfViewer.currentScaleValue === _ui_utils.DEFAULT_SCALE_VALUE) {
+      return;
+    }
+
+    _app.PDFViewerApplication.eventBus.dispatch(type, {
+      source: window
+    });
+  };
+
+  for (const event of events) {
+    window.addEventListener(event, handleEvent);
+  }
+})();
+
+(function listenSaveEvent() {
+  const handleEvent = function ({
+    type,
+    detail
+  }) {
+    if (!_app.PDFViewerApplication.initialized) {
+      return;
+    }
+
+    _app.PDFViewerApplication.eventBus.dispatch(type, {
+      source: window
+    });
+  };
+
+  window.addEventListener("save", handleEvent);
+})();
+
+class FirefoxComDataRangeTransport extends _pdf.PDFDataRangeTransport {
+  requestDataRange(begin, end) {
+    FirefoxCom.request("requestDataRange", {
+      begin,
+      end
+    });
+  }
+
+  abort() {
+    FirefoxCom.requestSync("abortLoading", null);
+  }
+
+}
+
+class FirefoxExternalServices extends _app.DefaultExternalServices {
+  static updateFindControlState(data) {
+    FirefoxCom.request("updateFindControlState", data);
+  }
+
+  static updateFindMatchesCount(data) {
+    FirefoxCom.request("updateFindMatchesCount", data);
+  }
+
+  static initPassiveLoading(callbacks) {
+    let pdfDataRangeTransport;
+    window.addEventListener("message", function windowMessage(e) {
+      if (e.source !== null) {
+        console.warn("Rejected untrusted message from " + e.origin);
+        return;
+      }
+
+      const args = e.data;
+
+      if (typeof args !== "object" || !("pdfjsLoadAction" in args)) {
+        return;
+      }
+
+      switch (args.pdfjsLoadAction) {
+        case "supportsRangedLoading":
+          pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data, args.done);
+          callbacks.onOpenWithTransport(args.pdfUrl, args.length, pdfDataRangeTransport);
+          break;
+
+        case "range":
+          pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
+          break;
+
+        case "rangeProgress":
+          pdfDataRangeTransport.onDataProgress(args.loaded);
+          break;
+
+        case "progressiveRead":
+          pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
+          pdfDataRangeTransport.onDataProgress(args.loaded, args.total);
+          break;
+
+        case "progressiveDone":
+          if (pdfDataRangeTransport) {
+            pdfDataRangeTransport.onDataProgressiveDone();
+          }
+
+          break;
+
+        case "progress":
+          callbacks.onProgress(args.loaded, args.total);
+          break;
+
+        case "complete":
+          if (!args.data) {
+            callbacks.onError(args.errorCode);
+            break;
+          }
+
+          callbacks.onOpenWithData(args.data);
+          break;
+      }
+    });
+    FirefoxCom.requestSync("initPassiveLoading", null);
+  }
+
+  static fallback(data, callback) {
+    FirefoxCom.request("fallback", data, callback);
+  }
+
+  static reportTelemetry(data) {
+    FirefoxCom.request("reportTelemetry", JSON.stringify(data));
+  }
+
+  static createDownloadManager(options) {
+    return new DownloadManager(options);
+  }
+
+  static createPreferences() {
+    return new FirefoxPreferences();
+  }
+
+  static createL10n(options) {
+    const mozL10n = document.mozL10n;
+    return new MozL10n(mozL10n);
+  }
+
+  static get supportsIntegratedFind() {
+    const support = FirefoxCom.requestSync("supportsIntegratedFind");
+    return (0, _pdf.shadow)(this, "supportsIntegratedFind", support);
+  }
+
+  static get supportsDocumentFonts() {
+    const support = FirefoxCom.requestSync("supportsDocumentFonts");
+    return (0, _pdf.shadow)(this, "supportsDocumentFonts", support);
+  }
+
+  static get supportedMouseWheelZoomModifierKeys() {
+    const support = FirefoxCom.requestSync("supportedMouseWheelZoomModifierKeys");
+    return (0, _pdf.shadow)(this, "supportedMouseWheelZoomModifierKeys", support);
+  }
+
+  static get isInAutomation() {
+    const isInAutomation = FirefoxCom.requestSync("isInAutomation");
+    return (0, _pdf.shadow)(this, "isInAutomation", isInAutomation);
+  }
+
+}
+
+_app.PDFViewerApplication.externalServices = FirefoxExternalServices;
+document.mozL10n.setExternalLocalizerServices({
+  getLocale() {
+    return FirefoxCom.requestSync("getLocale", null);
+  },
+
+  getStrings(key) {
+    return FirefoxCom.requestSync("getStrings", key);
+  }
+
+});
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/genericcom.js b/node_modules/pdfjs-dist/lib/web/genericcom.js
new file mode 100644
index 00000000..7bd5aa7e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/genericcom.js
@@ -0,0 +1,69 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GenericCom = void 0;
+
+var _app = require("./app.js");
+
+var _preferences = require("./preferences.js");
+
+var _download_manager = require("./download_manager.js");
+
+var _genericl10n = require("./genericl10n.js");
+
+;
+const GenericCom = {};
+exports.GenericCom = GenericCom;
+
+class GenericPreferences extends _preferences.BasePreferences {
+  async _writeToStorage(prefObj) {
+    localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
+  }
+
+  async _readFromStorage(prefObj) {
+    return JSON.parse(localStorage.getItem("pdfjs.preferences"));
+  }
+
+}
+
+class GenericExternalServices extends _app.DefaultExternalServices {
+  static createDownloadManager(options) {
+    return new _download_manager.DownloadManager(options);
+  }
+
+  static createPreferences() {
+    return new GenericPreferences();
+  }
+
+  static createL10n({
+    locale = "en-US"
+  }) {
+    return new _genericl10n.GenericL10n(locale);
+  }
+
+}
+
+_app.PDFViewerApplication.externalServices = GenericExternalServices;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/genericl10n.js b/node_modules/pdfjs-dist/lib/web/genericl10n.js
new file mode 100644
index 00000000..dcef85cf
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/genericl10n.js
@@ -0,0 +1,65 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GenericL10n = void 0;
+
+require("../external/webL10n/l10n.js");
+
+const webL10n = document.webL10n;
+
+class GenericL10n {
+  constructor(lang) {
+    this._lang = lang;
+    this._ready = new Promise((resolve, reject) => {
+      webL10n.setLanguage(lang, () => {
+        resolve(webL10n);
+      });
+    });
+  }
+
+  async getLanguage() {
+    const l10n = await this._ready;
+    return l10n.getLanguage();
+  }
+
+  async getDirection() {
+    const l10n = await this._ready;
+    return l10n.getDirection();
+  }
+
+  async get(property, args, fallback) {
+    const l10n = await this._ready;
+    return l10n.get(property, args, fallback);
+  }
+
+  async translate(element) {
+    const l10n = await this._ready;
+    return l10n.translate(element);
+  }
+
+}
+
+exports.GenericL10n = GenericL10n;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/grab_to_pan.js b/node_modules/pdfjs-dist/lib/web/grab_to_pan.js
new file mode 100644
index 00000000..a2275ff0
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/grab_to_pan.js
@@ -0,0 +1,180 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GrabToPan = GrabToPan;
+
+function GrabToPan(options) {
+  this.element = options.element;
+  this.document = options.element.ownerDocument;
+
+  if (typeof options.ignoreTarget === "function") {
+    this.ignoreTarget = options.ignoreTarget;
+  }
+
+  this.onActiveChanged = options.onActiveChanged;
+  this.activate = this.activate.bind(this);
+  this.deactivate = this.deactivate.bind(this);
+  this.toggle = this.toggle.bind(this);
+  this._onmousedown = this._onmousedown.bind(this);
+  this._onmousemove = this._onmousemove.bind(this);
+  this._endPan = this._endPan.bind(this);
+  const overlay = this.overlay = document.createElement("div");
+  overlay.className = "grab-to-pan-grabbing";
+}
+
+GrabToPan.prototype = {
+  CSS_CLASS_GRAB: "grab-to-pan-grab",
+  activate: function GrabToPan_activate() {
+    if (!this.active) {
+      this.active = true;
+      this.element.addEventListener("mousedown", this._onmousedown, true);
+      this.element.classList.add(this.CSS_CLASS_GRAB);
+
+      if (this.onActiveChanged) {
+        this.onActiveChanged(true);
+      }
+    }
+  },
+  deactivate: function GrabToPan_deactivate() {
+    if (this.active) {
+      this.active = false;
+      this.element.removeEventListener("mousedown", this._onmousedown, true);
+
+      this._endPan();
+
+      this.element.classList.remove(this.CSS_CLASS_GRAB);
+
+      if (this.onActiveChanged) {
+        this.onActiveChanged(false);
+      }
+    }
+  },
+  toggle: function GrabToPan_toggle() {
+    if (this.active) {
+      this.deactivate();
+    } else {
+      this.activate();
+    }
+  },
+  ignoreTarget: function GrabToPan_ignoreTarget(node) {
+    return node[matchesSelector]("a[href], a[href] *, input, textarea, button, button *, select, option");
+  },
+  _onmousedown: function GrabToPan__onmousedown(event) {
+    if (event.button !== 0 || this.ignoreTarget(event.target)) {
+      return;
+    }
+
+    if (event.originalTarget) {
+      try {
+        event.originalTarget.tagName;
+      } catch (e) {
+        return;
+      }
+    }
+
+    this.scrollLeftStart = this.element.scrollLeft;
+    this.scrollTopStart = this.element.scrollTop;
+    this.clientXStart = event.clientX;
+    this.clientYStart = event.clientY;
+    this.document.addEventListener("mousemove", this._onmousemove, true);
+    this.document.addEventListener("mouseup", this._endPan, true);
+    this.element.addEventListener("scroll", this._endPan, true);
+    event.preventDefault();
+    event.stopPropagation();
+    const focusedElement = document.activeElement;
+
+    if (focusedElement && !focusedElement.contains(event.target)) {
+      focusedElement.blur();
+    }
+  },
+  _onmousemove: function GrabToPan__onmousemove(event) {
+    this.element.removeEventListener("scroll", this._endPan, true);
+
+    if (isLeftMouseReleased(event)) {
+      this._endPan();
+
+      return;
+    }
+
+    const xDiff = event.clientX - this.clientXStart;
+    const yDiff = event.clientY - this.clientYStart;
+    const scrollTop = this.scrollTopStart - yDiff;
+    const scrollLeft = this.scrollLeftStart - xDiff;
+
+    if (this.element.scrollTo) {
+      this.element.scrollTo({
+        top: scrollTop,
+        left: scrollLeft,
+        behavior: "instant"
+      });
+    } else {
+      this.element.scrollTop = scrollTop;
+      this.element.scrollLeft = scrollLeft;
+    }
+
+    if (!this.overlay.parentNode) {
+      document.body.appendChild(this.overlay);
+    }
+  },
+  _endPan: function GrabToPan__endPan() {
+    this.element.removeEventListener("scroll", this._endPan, true);
+    this.document.removeEventListener("mousemove", this._onmousemove, true);
+    this.document.removeEventListener("mouseup", this._endPan, true);
+    this.overlay.remove();
+  }
+};
+let matchesSelector;
+["webkitM", "mozM", "msM", "oM", "m"].some(function (prefix) {
+  let name = prefix + "atches";
+
+  if (name in document.documentElement) {
+    matchesSelector = name;
+  }
+
+  name += "Selector";
+
+  if (name in document.documentElement) {
+    matchesSelector = name;
+  }
+
+  return matchesSelector;
+});
+const isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
+const chrome = window.chrome;
+const isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
+const isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
+
+function isLeftMouseReleased(event) {
+  if ("buttons" in event && isNotIEorIsIE10plus) {
+    return !(event.buttons & 1);
+  }
+
+  if (isChrome15OrOpera15plus || isSafari6plus) {
+    return event.which === 0;
+  }
+
+  return false;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/interfaces.js b/node_modules/pdfjs-dist/lib/web/interfaces.js
new file mode 100644
index 00000000..ef235851
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/interfaces.js
@@ -0,0 +1,125 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.IL10n = exports.IPDFAnnotationLayerFactory = exports.IPDFTextLayerFactory = exports.IRenderableView = exports.IPDFHistory = exports.IPDFLinkService = void 0;
+
+class IPDFLinkService {
+  get pagesCount() {}
+
+  get page() {}
+
+  set page(value) {}
+
+  get rotation() {}
+
+  set rotation(value) {}
+
+  get externalLinkEnabled() {}
+
+  set externalLinkEnabled(value) {}
+
+  navigateTo(dest) {}
+
+  getDestinationHash(dest) {}
+
+  getAnchorUrl(hash) {}
+
+  setHash(hash) {}
+
+  executeNamedAction(action) {}
+
+  cachePageRef(pageNum, pageRef) {}
+
+  isPageVisible(pageNumber) {}
+
+}
+
+exports.IPDFLinkService = IPDFLinkService;
+
+class IPDFHistory {
+  initialize({
+    fingerprint,
+    resetHistory = false,
+    updateUrl = false
+  }) {}
+
+  reset() {}
+
+  push({
+    namedDest = null,
+    explicitDest,
+    pageNumber
+  }) {}
+
+  pushCurrentPosition() {}
+
+  back() {}
+
+  forward() {}
+
+}
+
+exports.IPDFHistory = IPDFHistory;
+
+class IRenderableView {
+  get renderingId() {}
+
+  get renderingState() {}
+
+  draw() {}
+
+  resume() {}
+
+}
+
+exports.IRenderableView = IRenderableView;
+
+class IPDFTextLayerFactory {
+  createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {}
+
+}
+
+exports.IPDFTextLayerFactory = IPDFTextLayerFactory;
+
+class IPDFAnnotationLayerFactory {
+  createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = true, l10n = undefined) {}
+
+}
+
+exports.IPDFAnnotationLayerFactory = IPDFAnnotationLayerFactory;
+
+class IL10n {
+  async getLanguage() {}
+
+  async getDirection() {}
+
+  async get(key, args, fallback) {}
+
+  async translate(element) {}
+
+}
+
+exports.IL10n = IL10n;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/overlay_manager.js b/node_modules/pdfjs-dist/lib/web/overlay_manager.js
new file mode 100644
index 00000000..526f8377
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/overlay_manager.js
@@ -0,0 +1,126 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.OverlayManager = void 0;
+
+class OverlayManager {
+  constructor() {
+    this._overlays = {};
+    this._active = null;
+    this._keyDownBound = this._keyDown.bind(this);
+  }
+
+  get active() {
+    return this._active;
+  }
+
+  async register(name, element, callerCloseMethod = null, canForceClose = false) {
+    let container;
+
+    if (!name || !element || !(container = element.parentNode)) {
+      throw new Error("Not enough parameters.");
+    } else if (this._overlays[name]) {
+      throw new Error("The overlay is already registered.");
+    }
+
+    this._overlays[name] = {
+      element,
+      container,
+      callerCloseMethod,
+      canForceClose
+    };
+  }
+
+  async unregister(name) {
+    if (!this._overlays[name]) {
+      throw new Error("The overlay does not exist.");
+    } else if (this._active === name) {
+      throw new Error("The overlay cannot be removed while it is active.");
+    }
+
+    delete this._overlays[name];
+  }
+
+  async open(name) {
+    if (!this._overlays[name]) {
+      throw new Error("The overlay does not exist.");
+    } else if (this._active) {
+      if (this._overlays[name].canForceClose) {
+        this._closeThroughCaller();
+      } else if (this._active === name) {
+        throw new Error("The overlay is already active.");
+      } else {
+        throw new Error("Another overlay is currently active.");
+      }
+    }
+
+    this._active = name;
+
+    this._overlays[this._active].element.classList.remove("hidden");
+
+    this._overlays[this._active].container.classList.remove("hidden");
+
+    window.addEventListener("keydown", this._keyDownBound);
+  }
+
+  async close(name) {
+    if (!this._overlays[name]) {
+      throw new Error("The overlay does not exist.");
+    } else if (!this._active) {
+      throw new Error("The overlay is currently not active.");
+    } else if (this._active !== name) {
+      throw new Error("Another overlay is currently active.");
+    }
+
+    this._overlays[this._active].container.classList.add("hidden");
+
+    this._overlays[this._active].element.classList.add("hidden");
+
+    this._active = null;
+    window.removeEventListener("keydown", this._keyDownBound);
+  }
+
+  _keyDown(evt) {
+    if (this._active && evt.keyCode === 27) {
+      this._closeThroughCaller();
+
+      evt.preventDefault();
+    }
+  }
+
+  _closeThroughCaller() {
+    if (this._overlays[this._active].callerCloseMethod) {
+      this._overlays[this._active].callerCloseMethod();
+    }
+
+    if (this._active) {
+      this.close(this._active);
+    }
+  }
+
+}
+
+exports.OverlayManager = OverlayManager;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/password_prompt.js b/node_modules/pdfjs-dist/lib/web/password_prompt.js
new file mode 100644
index 00000000..5c07d7b8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/password_prompt.js
@@ -0,0 +1,94 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PasswordPrompt = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf = require("../pdf");
+
+class PasswordPrompt {
+  constructor(options, overlayManager, l10n = _ui_utils.NullL10n) {
+    this.overlayName = options.overlayName;
+    this.container = options.container;
+    this.label = options.label;
+    this.input = options.input;
+    this.submitButton = options.submitButton;
+    this.cancelButton = options.cancelButton;
+    this.overlayManager = overlayManager;
+    this.l10n = l10n;
+    this.updateCallback = null;
+    this.reason = null;
+    this.submitButton.addEventListener("click", this.verify.bind(this));
+    this.cancelButton.addEventListener("click", this.close.bind(this));
+    this.input.addEventListener("keydown", e => {
+      if (e.keyCode === 13) {
+        this.verify();
+      }
+    });
+    this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
+  }
+
+  open() {
+    this.overlayManager.open(this.overlayName).then(() => {
+      this.input.focus();
+      let promptString;
+
+      if (this.reason === _pdf.PasswordResponses.INCORRECT_PASSWORD) {
+        promptString = this.l10n.get("password_invalid", null, "Invalid password. Please try again.");
+      } else {
+        promptString = this.l10n.get("password_label", null, "Enter the password to open this PDF file.");
+      }
+
+      promptString.then(msg => {
+        this.label.textContent = msg;
+      });
+    });
+  }
+
+  close() {
+    this.overlayManager.close(this.overlayName).then(() => {
+      this.input.value = "";
+    });
+  }
+
+  verify() {
+    const password = this.input.value;
+
+    if (password && password.length > 0) {
+      this.close();
+      this.updateCallback(password);
+    }
+  }
+
+  setUpdateCallback(updateCallback, reason) {
+    this.updateCallback = updateCallback;
+    this.reason = reason;
+  }
+
+}
+
+exports.PasswordPrompt = PasswordPrompt;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_attachment_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_attachment_viewer.js
new file mode 100644
index 00000000..14e75543
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_attachment_viewer.js
@@ -0,0 +1,213 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFAttachmentViewer = void 0;
+
+var _pdf = require("../pdf");
+
+var _base_tree_viewer = require("./base_tree_viewer.js");
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+const PdfFileRegExp = /\.pdf$/i;
+
+class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
+  constructor(options) {
+    super(options);
+    this.downloadManager = options.downloadManager;
+
+    this.eventBus._on("fileattachmentannotation", this._appendAttachment.bind(this));
+  }
+
+  reset(keepRenderedCapability = false) {
+    super.reset();
+    this._attachments = null;
+
+    if (!keepRenderedCapability) {
+      this._renderedCapability = (0, _pdf.createPromiseCapability)();
+    }
+
+    if (this._pendingDispatchEvent) {
+      clearTimeout(this._pendingDispatchEvent);
+    }
+
+    this._pendingDispatchEvent = null;
+  }
+
+  _dispatchEvent(attachmentsCount) {
+    this._renderedCapability.resolve();
+
+    if (this._pendingDispatchEvent) {
+      clearTimeout(this._pendingDispatchEvent);
+      this._pendingDispatchEvent = null;
+    }
+
+    if (attachmentsCount === 0) {
+      this._pendingDispatchEvent = setTimeout(() => {
+        this.eventBus.dispatch("attachmentsloaded", {
+          source: this,
+          attachmentsCount: 0
+        });
+        this._pendingDispatchEvent = null;
+      });
+      return;
+    }
+
+    this.eventBus.dispatch("attachmentsloaded", {
+      source: this,
+      attachmentsCount
+    });
+  }
+
+  _bindPdfLink(element, {
+    content,
+    filename
+  }) {
+    let blobUrl;
+
+    element.onclick = () => {
+      if (!blobUrl) {
+        blobUrl = URL.createObjectURL(new Blob([content], {
+          type: "application/pdf"
+        }));
+      }
+
+      let viewerUrl;
+      viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
+
+      try {
+        window.open(viewerUrl);
+      } catch (ex) {
+        console.error(`_bindPdfLink: ${ex}`);
+        URL.revokeObjectURL(blobUrl);
+        blobUrl = null;
+        this.downloadManager.downloadData(content, filename, "application/pdf");
+      }
+
+      return false;
+    };
+  }
+
+  _bindLink(element, {
+    content,
+    filename
+  }) {
+    element.onclick = () => {
+      const contentType = PdfFileRegExp.test(filename) ? "application/pdf" : "";
+      this.downloadManager.downloadData(content, filename, contentType);
+      return false;
+    };
+  }
+
+  render({
+    attachments,
+    keepRenderedCapability = false
+  }) {
+    if (this._attachments) {
+      this.reset(keepRenderedCapability);
+    }
+
+    this._attachments = attachments || null;
+
+    if (!attachments) {
+      this._dispatchEvent(0);
+
+      return;
+    }
+
+    const names = Object.keys(attachments).sort(function (a, b) {
+      return a.toLowerCase().localeCompare(b.toLowerCase());
+    });
+    const fragment = document.createDocumentFragment();
+    let attachmentsCount = 0;
+
+    for (const name of names) {
+      const item = attachments[name];
+      const filename = (0, _pdf.getFilenameFromUrl)(item.filename);
+      const div = document.createElement("div");
+      div.className = "treeItem";
+      const element = document.createElement("a");
+
+      if (PdfFileRegExp.test(filename) && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+        this._bindPdfLink(element, {
+          content: item.content,
+          filename
+        });
+      } else {
+        this._bindLink(element, {
+          content: item.content,
+          filename
+        });
+      }
+
+      element.textContent = this._normalizeTextContent(filename);
+      div.appendChild(element);
+      fragment.appendChild(div);
+      attachmentsCount++;
+    }
+
+    this.container.appendChild(fragment);
+
+    this._dispatchEvent(attachmentsCount);
+  }
+
+  _appendAttachment({
+    id,
+    filename,
+    content
+  }) {
+    const renderedPromise = this._renderedCapability.promise;
+    renderedPromise.then(() => {
+      if (renderedPromise !== this._renderedCapability.promise) {
+        return;
+      }
+
+      let attachments = this._attachments;
+
+      if (!attachments) {
+        attachments = Object.create(null);
+      } else {
+        for (const name in attachments) {
+          if (id === name) {
+            return;
+          }
+        }
+      }
+
+      attachments[id] = {
+        filename,
+        content
+      };
+      this.render({
+        attachments,
+        keepRenderedCapability: true
+      });
+    });
+  }
+
+}
+
+exports.PDFAttachmentViewer = PDFAttachmentViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_cursor_tools.js b/node_modules/pdfjs-dist/lib/web/pdf_cursor_tools.js
new file mode 100644
index 00000000..27ccf0a8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_cursor_tools.js
@@ -0,0 +1,139 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFCursorTools = exports.CursorTool = void 0;
+
+var _grab_to_pan = require("./grab_to_pan.js");
+
+const CursorTool = {
+  SELECT: 0,
+  HAND: 1,
+  ZOOM: 2
+};
+exports.CursorTool = CursorTool;
+
+class PDFCursorTools {
+  constructor({
+    container,
+    eventBus,
+    cursorToolOnLoad = CursorTool.SELECT
+  }) {
+    this.container = container;
+    this.eventBus = eventBus;
+    this.active = CursorTool.SELECT;
+    this.activeBeforePresentationMode = null;
+    this.handTool = new _grab_to_pan.GrabToPan({
+      element: this.container
+    });
+
+    this._addEventListeners();
+
+    Promise.resolve().then(() => {
+      this.switchTool(cursorToolOnLoad);
+    });
+  }
+
+  get activeTool() {
+    return this.active;
+  }
+
+  switchTool(tool) {
+    if (this.activeBeforePresentationMode !== null) {
+      return;
+    }
+
+    if (tool === this.active) {
+      return;
+    }
+
+    const disableActiveTool = () => {
+      switch (this.active) {
+        case CursorTool.SELECT:
+          break;
+
+        case CursorTool.HAND:
+          this.handTool.deactivate();
+          break;
+
+        case CursorTool.ZOOM:
+      }
+    };
+
+    switch (tool) {
+      case CursorTool.SELECT:
+        disableActiveTool();
+        break;
+
+      case CursorTool.HAND:
+        disableActiveTool();
+        this.handTool.activate();
+        break;
+
+      case CursorTool.ZOOM:
+      default:
+        console.error(`switchTool: "${tool}" is an unsupported value.`);
+        return;
+    }
+
+    this.active = tool;
+
+    this._dispatchEvent();
+  }
+
+  _dispatchEvent() {
+    this.eventBus.dispatch("cursortoolchanged", {
+      source: this,
+      tool: this.active
+    });
+  }
+
+  _addEventListeners() {
+    this.eventBus._on("switchcursortool", evt => {
+      this.switchTool(evt.tool);
+    });
+
+    this.eventBus._on("presentationmodechanged", evt => {
+      if (evt.switchInProgress) {
+        return;
+      }
+
+      let previouslyActive;
+
+      if (evt.active) {
+        previouslyActive = this.active;
+        this.switchTool(CursorTool.SELECT);
+        this.activeBeforePresentationMode = previouslyActive;
+      } else {
+        previouslyActive = this.activeBeforePresentationMode;
+        this.activeBeforePresentationMode = null;
+        this.switchTool(previouslyActive);
+      }
+    });
+  }
+
+}
+
+exports.PDFCursorTools = PDFCursorTools;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_document_properties.js b/node_modules/pdfjs-dist/lib/web/pdf_document_properties.js
new file mode 100644
index 00000000..1cc27f86
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_document_properties.js
@@ -0,0 +1,310 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDocumentProperties = void 0;
+
+var _pdf = require("../pdf");
+
+var _ui_utils = require("./ui_utils.js");
+
+const DEFAULT_FIELD_CONTENT = "-";
+const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
+const US_PAGE_NAMES = {
+  "8.5x11": "Letter",
+  "8.5x14": "Legal"
+};
+const METRIC_PAGE_NAMES = {
+  "297x420": "A3",
+  "210x297": "A4"
+};
+
+function getPageName(size, isPortrait, pageNames) {
+  const width = isPortrait ? size.width : size.height;
+  const height = isPortrait ? size.height : size.width;
+  return pageNames[`${width}x${height}`];
+}
+
+class PDFDocumentProperties {
+  constructor({
+    overlayName,
+    fields,
+    container,
+    closeButton
+  }, overlayManager, eventBus, l10n = _ui_utils.NullL10n) {
+    this.overlayName = overlayName;
+    this.fields = fields;
+    this.container = container;
+    this.overlayManager = overlayManager;
+    this.l10n = l10n;
+
+    this._reset();
+
+    closeButton.addEventListener("click", this.close.bind(this));
+    this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
+
+    eventBus._on("pagechanging", evt => {
+      this._currentPageNumber = evt.pageNumber;
+    });
+
+    eventBus._on("rotationchanging", evt => {
+      this._pagesRotation = evt.pagesRotation;
+    });
+
+    this._isNonMetricLocale = true;
+    l10n.getLanguage().then(locale => {
+      this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
+    });
+  }
+
+  open() {
+    const freezeFieldData = data => {
+      Object.defineProperty(this, "fieldData", {
+        value: Object.freeze(data),
+        writable: false,
+        enumerable: true,
+        configurable: true
+      });
+    };
+
+    Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]).then(() => {
+      const currentPageNumber = this._currentPageNumber;
+      const pagesRotation = this._pagesRotation;
+
+      if (this.fieldData && currentPageNumber === this.fieldData._currentPageNumber && pagesRotation === this.fieldData._pagesRotation) {
+        this._updateUI();
+
+        return;
+      }
+
+      this.pdfDocument.getMetadata().then(({
+        info,
+        metadata,
+        contentDispositionFilename
+      }) => {
+        return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url), this._parseFileSize(this.maybeFileSize), this._parseDate(info.CreationDate), this._parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => {
+          return this._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
+        }), this._parseLinearization(info.IsLinearized)]);
+      }).then(([info, metadata, fileName, fileSize, creationDate, modDate, pageSize, isLinearized]) => {
+        freezeFieldData({
+          fileName,
+          fileSize,
+          title: info.Title,
+          author: info.Author,
+          subject: info.Subject,
+          keywords: info.Keywords,
+          creationDate,
+          modificationDate: modDate,
+          creator: info.Creator,
+          producer: info.Producer,
+          version: info.PDFFormatVersion,
+          pageCount: this.pdfDocument.numPages,
+          pageSize,
+          linearized: isLinearized,
+          _currentPageNumber: currentPageNumber,
+          _pagesRotation: pagesRotation
+        });
+
+        this._updateUI();
+
+        return this.pdfDocument.getDownloadInfo();
+      }).then(({
+        length
+      }) => {
+        this.maybeFileSize = length;
+        return this._parseFileSize(length);
+      }).then(fileSize => {
+        if (fileSize === this.fieldData.fileSize) {
+          return;
+        }
+
+        const data = Object.assign(Object.create(null), this.fieldData);
+        data.fileSize = fileSize;
+        freezeFieldData(data);
+
+        this._updateUI();
+      });
+    });
+  }
+
+  close() {
+    this.overlayManager.close(this.overlayName);
+  }
+
+  setDocument(pdfDocument, url = null) {
+    if (this.pdfDocument) {
+      this._reset();
+
+      this._updateUI(true);
+    }
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    this.pdfDocument = pdfDocument;
+    this.url = url;
+
+    this._dataAvailableCapability.resolve();
+  }
+
+  setFileSize(fileSize) {
+    if (Number.isInteger(fileSize) && fileSize > 0) {
+      this.maybeFileSize = fileSize;
+    }
+  }
+
+  _reset() {
+    this.pdfDocument = null;
+    this.url = null;
+    this.maybeFileSize = 0;
+    delete this.fieldData;
+    this._dataAvailableCapability = (0, _pdf.createPromiseCapability)();
+    this._currentPageNumber = 1;
+    this._pagesRotation = 0;
+  }
+
+  _updateUI(reset = false) {
+    if (reset || !this.fieldData) {
+      for (const id in this.fields) {
+        this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
+      }
+
+      return;
+    }
+
+    if (this.overlayManager.active !== this.overlayName) {
+      return;
+    }
+
+    for (const id in this.fields) {
+      const content = this.fieldData[id];
+      this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
+    }
+  }
+
+  async _parseFileSize(fileSize = 0) {
+    const kb = fileSize / 1024;
+
+    if (!kb) {
+      return undefined;
+    } else if (kb < 1024) {
+      return this.l10n.get("document_properties_kb", {
+        size_kb: (+kb.toPrecision(3)).toLocaleString(),
+        size_b: fileSize.toLocaleString()
+      }, "{{size_kb}} KB ({{size_b}} bytes)");
+    }
+
+    return this.l10n.get("document_properties_mb", {
+      size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
+      size_b: fileSize.toLocaleString()
+    }, "{{size_mb}} MB ({{size_b}} bytes)");
+  }
+
+  async _parsePageSize(pageSizeInches, pagesRotation) {
+    if (!pageSizeInches) {
+      return undefined;
+    }
+
+    if (pagesRotation % 180 !== 0) {
+      pageSizeInches = {
+        width: pageSizeInches.height,
+        height: pageSizeInches.width
+      };
+    }
+
+    const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
+    let sizeInches = {
+      width: Math.round(pageSizeInches.width * 100) / 100,
+      height: Math.round(pageSizeInches.height * 100) / 100
+    };
+    let sizeMillimeters = {
+      width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
+      height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
+    };
+    let pageName = null;
+    let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
+
+    if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
+      const exactMillimeters = {
+        width: pageSizeInches.width * 25.4,
+        height: pageSizeInches.height * 25.4
+      };
+      const intMillimeters = {
+        width: Math.round(sizeMillimeters.width),
+        height: Math.round(sizeMillimeters.height)
+      };
+
+      if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
+        rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
+
+        if (rawName) {
+          sizeInches = {
+            width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
+            height: Math.round(intMillimeters.height / 25.4 * 100) / 100
+          };
+          sizeMillimeters = intMillimeters;
+        }
+      }
+    }
+
+    if (rawName) {
+      pageName = this.l10n.get("document_properties_page_size_name_" + rawName.toLowerCase(), null, rawName);
+    }
+
+    return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get("document_properties_page_size_unit_" + (this._isNonMetricLocale ? "inches" : "millimeters"), null, this._isNonMetricLocale ? "in" : "mm"), pageName, this.l10n.get("document_properties_page_size_orientation_" + (isPortrait ? "portrait" : "landscape"), null, isPortrait ? "portrait" : "landscape")]).then(([{
+      width,
+      height
+    }, unit, name, orientation]) => {
+      return this.l10n.get("document_properties_page_size_dimension_" + (name ? "name_" : "") + "string", {
+        width: width.toLocaleString(),
+        height: height.toLocaleString(),
+        unit,
+        name,
+        orientation
+      }, "{{width}} × {{height}} {{unit}} (" + (name ? "{{name}}, " : "") + "{{orientation}})");
+    });
+  }
+
+  async _parseDate(inputDate) {
+    const dateObject = _pdf.PDFDateString.toDateObject(inputDate);
+
+    if (!dateObject) {
+      return undefined;
+    }
+
+    return this.l10n.get("document_properties_date_string", {
+      date: dateObject.toLocaleDateString(),
+      time: dateObject.toLocaleTimeString()
+    }, "{{date}}, {{time}}");
+  }
+
+  _parseLinearization(isLinearized) {
+    return this.l10n.get("document_properties_linearized_" + (isLinearized ? "yes" : "no"), null, isLinearized ? "Yes" : "No");
+  }
+
+}
+
+exports.PDFDocumentProperties = PDFDocumentProperties;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_find_bar.js b/node_modules/pdfjs-dist/lib/web/pdf_find_bar.js
new file mode 100644
index 00000000..8a232813
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_find_bar.js
@@ -0,0 +1,226 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFindBar = void 0;
+
+var _pdf_find_controller = require("./pdf_find_controller.js");
+
+var _ui_utils = require("./ui_utils.js");
+
+const MATCHES_COUNT_LIMIT = 1000;
+
+class PDFFindBar {
+  constructor(options, eventBus, l10n = _ui_utils.NullL10n) {
+    this.opened = false;
+    this.bar = options.bar || null;
+    this.toggleButton = options.toggleButton || null;
+    this.findField = options.findField || null;
+    this.highlightAll = options.highlightAllCheckbox || null;
+    this.caseSensitive = options.caseSensitiveCheckbox || null;
+    this.entireWord = options.entireWordCheckbox || null;
+    this.findMsg = options.findMsg || null;
+    this.findResultsCount = options.findResultsCount || null;
+    this.findPreviousButton = options.findPreviousButton || null;
+    this.findNextButton = options.findNextButton || null;
+    this.eventBus = eventBus;
+    this.l10n = l10n;
+    this.toggleButton.addEventListener("click", () => {
+      this.toggle();
+    });
+    this.findField.addEventListener("input", () => {
+      this.dispatchEvent("");
+    });
+    this.bar.addEventListener("keydown", e => {
+      switch (e.keyCode) {
+        case 13:
+          if (e.target === this.findField) {
+            this.dispatchEvent("again", e.shiftKey);
+          }
+
+          break;
+
+        case 27:
+          this.close();
+          break;
+      }
+    });
+    this.findPreviousButton.addEventListener("click", () => {
+      this.dispatchEvent("again", true);
+    });
+    this.findNextButton.addEventListener("click", () => {
+      this.dispatchEvent("again", false);
+    });
+    this.highlightAll.addEventListener("click", () => {
+      this.dispatchEvent("highlightallchange");
+    });
+    this.caseSensitive.addEventListener("click", () => {
+      this.dispatchEvent("casesensitivitychange");
+    });
+    this.entireWord.addEventListener("click", () => {
+      this.dispatchEvent("entirewordchange");
+    });
+
+    this.eventBus._on("resize", this._adjustWidth.bind(this));
+  }
+
+  reset() {
+    this.updateUIState();
+  }
+
+  dispatchEvent(type, findPrev) {
+    this.eventBus.dispatch("find", {
+      source: this,
+      type,
+      query: this.findField.value,
+      phraseSearch: true,
+      caseSensitive: this.caseSensitive.checked,
+      entireWord: this.entireWord.checked,
+      highlightAll: this.highlightAll.checked,
+      findPrevious: findPrev
+    });
+  }
+
+  updateUIState(state, previous, matchesCount) {
+    let notFound = false;
+    let findMsg = "";
+    let status = "";
+
+    switch (state) {
+      case _pdf_find_controller.FindState.FOUND:
+        break;
+
+      case _pdf_find_controller.FindState.PENDING:
+        status = "pending";
+        break;
+
+      case _pdf_find_controller.FindState.NOT_FOUND:
+        findMsg = this.l10n.get("find_not_found", null, "Phrase not found");
+        notFound = true;
+        break;
+
+      case _pdf_find_controller.FindState.WRAPPED:
+        if (previous) {
+          findMsg = this.l10n.get("find_reached_top", null, "Reached top of document, continued from bottom");
+        } else {
+          findMsg = this.l10n.get("find_reached_bottom", null, "Reached end of document, continued from top");
+        }
+
+        break;
+    }
+
+    this.findField.classList.toggle("notFound", notFound);
+    this.findField.setAttribute("data-status", status);
+    Promise.resolve(findMsg).then(msg => {
+      this.findMsg.textContent = msg;
+
+      this._adjustWidth();
+    });
+    this.updateResultsCount(matchesCount);
+  }
+
+  updateResultsCount({
+    current = 0,
+    total = 0
+  } = {}) {
+    if (!this.findResultsCount) {
+      return;
+    }
+
+    const limit = MATCHES_COUNT_LIMIT;
+    let matchesCountMsg = "";
+
+    if (total > 0) {
+      if (total > limit) {
+        matchesCountMsg = this.l10n.get("find_match_count_limit", {
+          limit
+        }, "More than {{limit}} match" + (limit !== 1 ? "es" : ""));
+      } else {
+        matchesCountMsg = this.l10n.get("find_match_count", {
+          current,
+          total
+        }, "{{current}} of {{total}} match" + (total !== 1 ? "es" : ""));
+      }
+    }
+
+    Promise.resolve(matchesCountMsg).then(msg => {
+      this.findResultsCount.textContent = msg;
+      this.findResultsCount.classList.toggle("hidden", !total);
+
+      this._adjustWidth();
+    });
+  }
+
+  open() {
+    if (!this.opened) {
+      this.opened = true;
+      this.toggleButton.classList.add("toggled");
+      this.bar.classList.remove("hidden");
+    }
+
+    this.findField.select();
+    this.findField.focus();
+
+    this._adjustWidth();
+  }
+
+  close() {
+    if (!this.opened) {
+      return;
+    }
+
+    this.opened = false;
+    this.toggleButton.classList.remove("toggled");
+    this.bar.classList.add("hidden");
+    this.eventBus.dispatch("findbarclose", {
+      source: this
+    });
+  }
+
+  toggle() {
+    if (this.opened) {
+      this.close();
+    } else {
+      this.open();
+    }
+  }
+
+  _adjustWidth() {
+    if (!this.opened) {
+      return;
+    }
+
+    this.bar.classList.remove("wrapContainers");
+    const findbarHeight = this.bar.clientHeight;
+    const inputContainerHeight = this.bar.firstElementChild.clientHeight;
+
+    if (findbarHeight > inputContainerHeight) {
+      this.bar.classList.add("wrapContainers");
+    }
+  }
+
+}
+
+exports.PDFFindBar = PDFFindBar;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_find_controller.js b/node_modules/pdfjs-dist/lib/web/pdf_find_controller.js
new file mode 100644
index 00000000..cfc9ad8e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_find_controller.js
@@ -0,0 +1,697 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFindController = exports.FindState = void 0;
+
+var _pdf = require("../pdf");
+
+var _pdf_find_utils = require("./pdf_find_utils.js");
+
+var _ui_utils = require("./ui_utils.js");
+
+const FindState = {
+  FOUND: 0,
+  NOT_FOUND: 1,
+  WRAPPED: 2,
+  PENDING: 3
+};
+exports.FindState = FindState;
+const FIND_TIMEOUT = 250;
+const MATCH_SCROLL_OFFSET_TOP = -50;
+const MATCH_SCROLL_OFFSET_LEFT = -400;
+const CHARACTERS_TO_NORMALIZE = {
+  "\u2018": "'",
+  "\u2019": "'",
+  "\u201A": "'",
+  "\u201B": "'",
+  "\u201C": '"',
+  "\u201D": '"',
+  "\u201E": '"',
+  "\u201F": '"',
+  "\u00BC": "1/4",
+  "\u00BD": "1/2",
+  "\u00BE": "3/4"
+};
+let normalizationRegex = null;
+
+function normalize(text) {
+  if (!normalizationRegex) {
+    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+    normalizationRegex = new RegExp(`[${replace}]`, "g");
+  }
+
+  return text.replace(normalizationRegex, function (ch) {
+    return CHARACTERS_TO_NORMALIZE[ch];
+  });
+}
+
+class PDFFindController {
+  constructor({
+    linkService,
+    eventBus
+  }) {
+    this._linkService = linkService;
+    this._eventBus = eventBus;
+
+    this._reset();
+
+    eventBus._on("findbarclose", this._onFindBarClose.bind(this));
+  }
+
+  get highlightMatches() {
+    return this._highlightMatches;
+  }
+
+  get pageMatches() {
+    return this._pageMatches;
+  }
+
+  get pageMatchesLength() {
+    return this._pageMatchesLength;
+  }
+
+  get selected() {
+    return this._selected;
+  }
+
+  get state() {
+    return this._state;
+  }
+
+  setDocument(pdfDocument) {
+    if (this._pdfDocument) {
+      this._reset();
+    }
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    this._pdfDocument = pdfDocument;
+
+    this._firstPageCapability.resolve();
+  }
+
+  executeCommand(cmd, state) {
+    if (!state) {
+      return;
+    }
+
+    const pdfDocument = this._pdfDocument;
+
+    if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
+      this._dirtyMatch = true;
+    }
+
+    this._state = state;
+
+    if (cmd !== "findhighlightallchange") {
+      this._updateUIState(FindState.PENDING);
+    }
+
+    this._firstPageCapability.promise.then(() => {
+      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+        return;
+      }
+
+      this._extractText();
+
+      const findbarClosed = !this._highlightMatches;
+      const pendingTimeout = !!this._findTimeout;
+
+      if (this._findTimeout) {
+        clearTimeout(this._findTimeout);
+        this._findTimeout = null;
+      }
+
+      if (cmd === "find") {
+        this._findTimeout = setTimeout(() => {
+          this._nextMatch();
+
+          this._findTimeout = null;
+        }, FIND_TIMEOUT);
+      } else if (this._dirtyMatch) {
+        this._nextMatch();
+      } else if (cmd === "findagain") {
+        this._nextMatch();
+
+        if (findbarClosed && this._state.highlightAll) {
+          this._updateAllPages();
+        }
+      } else if (cmd === "findhighlightallchange") {
+        if (pendingTimeout) {
+          this._nextMatch();
+        } else {
+          this._highlightMatches = true;
+        }
+
+        this._updateAllPages();
+      } else {
+        this._nextMatch();
+      }
+    });
+  }
+
+  scrollMatchIntoView({
+    element = null,
+    pageIndex = -1,
+    matchIndex = -1
+  }) {
+    if (!this._scrollMatches || !element) {
+      return;
+    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+      return;
+    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+      return;
+    }
+
+    this._scrollMatches = false;
+    const spot = {
+      top: MATCH_SCROLL_OFFSET_TOP,
+      left: MATCH_SCROLL_OFFSET_LEFT
+    };
+    (0, _ui_utils.scrollIntoView)(element, spot, true);
+  }
+
+  _reset() {
+    this._highlightMatches = false;
+    this._scrollMatches = false;
+    this._pdfDocument = null;
+    this._pageMatches = [];
+    this._pageMatchesLength = [];
+    this._state = null;
+    this._selected = {
+      pageIdx: -1,
+      matchIdx: -1
+    };
+    this._offset = {
+      pageIdx: null,
+      matchIdx: null,
+      wrapped: false
+    };
+    this._extractTextPromises = [];
+    this._pageContents = [];
+    this._matchesCountTotal = 0;
+    this._pagesToSearch = null;
+    this._pendingFindMatches = Object.create(null);
+    this._resumePageIdx = null;
+    this._dirtyMatch = false;
+    clearTimeout(this._findTimeout);
+    this._findTimeout = null;
+    this._firstPageCapability = (0, _pdf.createPromiseCapability)();
+  }
+
+  get _query() {
+    if (this._state.query !== this._rawQuery) {
+      this._rawQuery = this._state.query;
+      this._normalizedQuery = normalize(this._state.query);
+    }
+
+    return this._normalizedQuery;
+  }
+
+  _shouldDirtyMatch(cmd, state) {
+    if (state.query !== this._state.query) {
+      return true;
+    }
+
+    switch (cmd) {
+      case "findagain":
+        const pageNumber = this._selected.pageIdx + 1;
+        const linkService = this._linkService;
+
+        if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
+          return true;
+        }
+
+        return false;
+
+      case "findhighlightallchange":
+        return false;
+    }
+
+    return true;
+  }
+
+  _prepareMatches(matchesWithLength, matches, matchesLength) {
+    function isSubTerm(currentIndex) {
+      const currentElem = matchesWithLength[currentIndex];
+      const nextElem = matchesWithLength[currentIndex + 1];
+
+      if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
+        currentElem.skipped = true;
+        return true;
+      }
+
+      for (let i = currentIndex - 1; i >= 0; i--) {
+        const prevElem = matchesWithLength[i];
+
+        if (prevElem.skipped) {
+          continue;
+        }
+
+        if (prevElem.match + prevElem.matchLength < currentElem.match) {
+          break;
+        }
+
+        if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
+          currentElem.skipped = true;
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    matchesWithLength.sort(function (a, b) {
+      return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
+    });
+
+    for (let i = 0, len = matchesWithLength.length; i < len; i++) {
+      if (isSubTerm(i)) {
+        continue;
+      }
+
+      matches.push(matchesWithLength[i].match);
+      matchesLength.push(matchesWithLength[i].matchLength);
+    }
+  }
+
+  _isEntireWord(content, startIdx, length) {
+    if (startIdx > 0) {
+      const first = content.charCodeAt(startIdx);
+      const limit = content.charCodeAt(startIdx - 1);
+
+      if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
+        return false;
+      }
+    }
+
+    const endIdx = startIdx + length - 1;
+
+    if (endIdx < content.length - 1) {
+      const last = content.charCodeAt(endIdx);
+      const limit = content.charCodeAt(endIdx + 1);
+
+      if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
+    const matches = [];
+    const queryLen = query.length;
+    let matchIdx = -queryLen;
+
+    while (true) {
+      matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
+
+      if (matchIdx === -1) {
+        break;
+      }
+
+      if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
+        continue;
+      }
+
+      matches.push(matchIdx);
+    }
+
+    this._pageMatches[pageIndex] = matches;
+  }
+
+  _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
+    const matchesWithLength = [];
+    const queryArray = query.match(/\S+/g);
+
+    for (let i = 0, len = queryArray.length; i < len; i++) {
+      const subquery = queryArray[i];
+      const subqueryLen = subquery.length;
+      let matchIdx = -subqueryLen;
+
+      while (true) {
+        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
+
+        if (matchIdx === -1) {
+          break;
+        }
+
+        if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
+          continue;
+        }
+
+        matchesWithLength.push({
+          match: matchIdx,
+          matchLength: subqueryLen,
+          skipped: false
+        });
+      }
+    }
+
+    this._pageMatchesLength[pageIndex] = [];
+    this._pageMatches[pageIndex] = [];
+
+    this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
+  }
+
+  _calculateMatch(pageIndex) {
+    let pageContent = this._pageContents[pageIndex];
+    let query = this._query;
+    const {
+      caseSensitive,
+      entireWord,
+      phraseSearch
+    } = this._state;
+
+    if (query.length === 0) {
+      return;
+    }
+
+    if (!caseSensitive) {
+      pageContent = pageContent.toLowerCase();
+      query = query.toLowerCase();
+    }
+
+    if (phraseSearch) {
+      this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
+    } else {
+      this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
+    }
+
+    if (this._state.highlightAll) {
+      this._updatePage(pageIndex);
+    }
+
+    if (this._resumePageIdx === pageIndex) {
+      this._resumePageIdx = null;
+
+      this._nextPageMatch();
+    }
+
+    const pageMatchesCount = this._pageMatches[pageIndex].length;
+
+    if (pageMatchesCount > 0) {
+      this._matchesCountTotal += pageMatchesCount;
+
+      this._updateUIResultsCount();
+    }
+  }
+
+  _extractText() {
+    if (this._extractTextPromises.length > 0) {
+      return;
+    }
+
+    let promise = Promise.resolve();
+
+    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+      const extractTextCapability = (0, _pdf.createPromiseCapability)();
+      this._extractTextPromises[i] = extractTextCapability.promise;
+      promise = promise.then(() => {
+        return this._pdfDocument.getPage(i + 1).then(pdfPage => {
+          return pdfPage.getTextContent({
+            normalizeWhitespace: true
+          });
+        }).then(textContent => {
+          const textItems = textContent.items;
+          const strBuf = [];
+
+          for (let j = 0, jj = textItems.length; j < jj; j++) {
+            strBuf.push(textItems[j].str);
+          }
+
+          this._pageContents[i] = normalize(strBuf.join(""));
+          extractTextCapability.resolve(i);
+        }, reason => {
+          console.error(`Unable to get text content for page ${i + 1}`, reason);
+          this._pageContents[i] = "";
+          extractTextCapability.resolve(i);
+        });
+      });
+    }
+  }
+
+  _updatePage(index) {
+    if (this._scrollMatches && this._selected.pageIdx === index) {
+      this._linkService.page = index + 1;
+    }
+
+    this._eventBus.dispatch("updatetextlayermatches", {
+      source: this,
+      pageIndex: index
+    });
+  }
+
+  _updateAllPages() {
+    this._eventBus.dispatch("updatetextlayermatches", {
+      source: this,
+      pageIndex: -1
+    });
+  }
+
+  _nextMatch() {
+    const previous = this._state.findPrevious;
+    const currentPageIndex = this._linkService.page - 1;
+    const numPages = this._linkService.pagesCount;
+    this._highlightMatches = true;
+
+    if (this._dirtyMatch) {
+      this._dirtyMatch = false;
+      this._selected.pageIdx = this._selected.matchIdx = -1;
+      this._offset.pageIdx = currentPageIndex;
+      this._offset.matchIdx = null;
+      this._offset.wrapped = false;
+      this._resumePageIdx = null;
+      this._pageMatches.length = 0;
+      this._pageMatchesLength.length = 0;
+      this._matchesCountTotal = 0;
+
+      this._updateAllPages();
+
+      for (let i = 0; i < numPages; i++) {
+        if (this._pendingFindMatches[i] === true) {
+          continue;
+        }
+
+        this._pendingFindMatches[i] = true;
+
+        this._extractTextPromises[i].then(pageIdx => {
+          delete this._pendingFindMatches[pageIdx];
+
+          this._calculateMatch(pageIdx);
+        });
+      }
+    }
+
+    if (this._query === "") {
+      this._updateUIState(FindState.FOUND);
+
+      return;
+    }
+
+    if (this._resumePageIdx) {
+      return;
+    }
+
+    const offset = this._offset;
+    this._pagesToSearch = numPages;
+
+    if (offset.matchIdx !== null) {
+      const numPageMatches = this._pageMatches[offset.pageIdx].length;
+
+      if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+
+        this._updateMatch(true);
+
+        return;
+      }
+
+      this._advanceOffsetPage(previous);
+    }
+
+    this._nextPageMatch();
+  }
+
+  _matchesReady(matches) {
+    const offset = this._offset;
+    const numMatches = matches.length;
+    const previous = this._state.findPrevious;
+
+    if (numMatches) {
+      offset.matchIdx = previous ? numMatches - 1 : 0;
+
+      this._updateMatch(true);
+
+      return true;
+    }
+
+    this._advanceOffsetPage(previous);
+
+    if (offset.wrapped) {
+      offset.matchIdx = null;
+
+      if (this._pagesToSearch < 0) {
+        this._updateMatch(false);
+
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  _nextPageMatch() {
+    if (this._resumePageIdx !== null) {
+      console.error("There can only be one pending page.");
+    }
+
+    let matches = null;
+
+    do {
+      const pageIdx = this._offset.pageIdx;
+      matches = this._pageMatches[pageIdx];
+
+      if (!matches) {
+        this._resumePageIdx = pageIdx;
+        break;
+      }
+    } while (!this._matchesReady(matches));
+  }
+
+  _advanceOffsetPage(previous) {
+    const offset = this._offset;
+    const numPages = this._linkService.pagesCount;
+    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+    offset.matchIdx = null;
+    this._pagesToSearch--;
+
+    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+      offset.pageIdx = previous ? numPages - 1 : 0;
+      offset.wrapped = true;
+    }
+  }
+
+  _updateMatch(found = false) {
+    let state = FindState.NOT_FOUND;
+    const wrapped = this._offset.wrapped;
+    this._offset.wrapped = false;
+
+    if (found) {
+      const previousPage = this._selected.pageIdx;
+      this._selected.pageIdx = this._offset.pageIdx;
+      this._selected.matchIdx = this._offset.matchIdx;
+      state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+
+      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+        this._updatePage(previousPage);
+      }
+    }
+
+    this._updateUIState(state, this._state.findPrevious);
+
+    if (this._selected.pageIdx !== -1) {
+      this._scrollMatches = true;
+
+      this._updatePage(this._selected.pageIdx);
+    }
+  }
+
+  _onFindBarClose(evt) {
+    const pdfDocument = this._pdfDocument;
+
+    this._firstPageCapability.promise.then(() => {
+      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+        return;
+      }
+
+      if (this._findTimeout) {
+        clearTimeout(this._findTimeout);
+        this._findTimeout = null;
+      }
+
+      if (this._resumePageIdx) {
+        this._resumePageIdx = null;
+        this._dirtyMatch = true;
+      }
+
+      this._updateUIState(FindState.FOUND);
+
+      this._highlightMatches = false;
+
+      this._updateAllPages();
+    });
+  }
+
+  _requestMatchesCount() {
+    const {
+      pageIdx,
+      matchIdx
+    } = this._selected;
+    let current = 0,
+        total = this._matchesCountTotal;
+
+    if (matchIdx !== -1) {
+      for (let i = 0; i < pageIdx; i++) {
+        current += this._pageMatches[i] && this._pageMatches[i].length || 0;
+      }
+
+      current += matchIdx + 1;
+    }
+
+    if (current < 1 || current > total) {
+      current = total = 0;
+    }
+
+    return {
+      current,
+      total
+    };
+  }
+
+  _updateUIResultsCount() {
+    this._eventBus.dispatch("updatefindmatchescount", {
+      source: this,
+      matchesCount: this._requestMatchesCount()
+    });
+  }
+
+  _updateUIState(state, previous) {
+    this._eventBus.dispatch("updatefindcontrolstate", {
+      source: this,
+      state,
+      previous,
+      matchesCount: this._requestMatchesCount(),
+      rawQuery: this._state ? this._state.query : null
+    });
+  }
+
+}
+
+exports.PDFFindController = PDFFindController;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_find_utils.js b/node_modules/pdfjs-dist/lib/web/pdf_find_utils.js
new file mode 100644
index 00000000..7190c1ac
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_find_utils.js
@@ -0,0 +1,111 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getCharacterType = getCharacterType;
+exports.CharacterType = void 0;
+const CharacterType = {
+  SPACE: 0,
+  ALPHA_LETTER: 1,
+  PUNCT: 2,
+  HAN_LETTER: 3,
+  KATAKANA_LETTER: 4,
+  HIRAGANA_LETTER: 5,
+  HALFWIDTH_KATAKANA_LETTER: 6,
+  THAI_LETTER: 7
+};
+exports.CharacterType = CharacterType;
+
+function isAlphabeticalScript(charCode) {
+  return charCode < 0x2e80;
+}
+
+function isAscii(charCode) {
+  return (charCode & 0xff80) === 0;
+}
+
+function isAsciiAlpha(charCode) {
+  return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+
+function isAsciiDigit(charCode) {
+  return charCode >= 0x30 && charCode <= 0x39;
+}
+
+function isAsciiSpace(charCode) {
+  return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+
+function isHan(charCode) {
+  return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+
+function isKatakana(charCode) {
+  return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+
+function isHiragana(charCode) {
+  return charCode >= 0x3040 && charCode <= 0x309f;
+}
+
+function isHalfwidthKatakana(charCode) {
+  return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+
+function isThai(charCode) {
+  return (charCode & 0xff80) === 0x0e00;
+}
+
+function getCharacterType(charCode) {
+  if (isAlphabeticalScript(charCode)) {
+    if (isAscii(charCode)) {
+      if (isAsciiSpace(charCode)) {
+        return CharacterType.SPACE;
+      } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+        return CharacterType.ALPHA_LETTER;
+      }
+
+      return CharacterType.PUNCT;
+    } else if (isThai(charCode)) {
+      return CharacterType.THAI_LETTER;
+    } else if (charCode === 0xa0) {
+      return CharacterType.SPACE;
+    }
+
+    return CharacterType.ALPHA_LETTER;
+  }
+
+  if (isHan(charCode)) {
+    return CharacterType.HAN_LETTER;
+  } else if (isKatakana(charCode)) {
+    return CharacterType.KATAKANA_LETTER;
+  } else if (isHiragana(charCode)) {
+    return CharacterType.HIRAGANA_LETTER;
+  } else if (isHalfwidthKatakana(charCode)) {
+    return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+  }
+
+  return CharacterType.ALPHA_LETTER;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_history.js b/node_modules/pdfjs-dist/lib/web/pdf_history.js
new file mode 100644
index 00000000..a347748c
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_history.js
@@ -0,0 +1,603 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isDestHashesEqual = isDestHashesEqual;
+exports.isDestArraysEqual = isDestArraysEqual;
+exports.PDFHistory = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+const HASH_CHANGE_TIMEOUT = 1000;
+const POSITION_UPDATED_THRESHOLD = 50;
+const UPDATE_VIEWAREA_TIMEOUT = 1000;
+
+function getCurrentHash() {
+  return document.location.hash;
+}
+
+class PDFHistory {
+  constructor({
+    linkService,
+    eventBus
+  }) {
+    this.linkService = linkService;
+    this.eventBus = eventBus;
+    this._initialized = false;
+    this._fingerprint = "";
+    this.reset();
+    this._boundEvents = null;
+    this._isViewerInPresentationMode = false;
+
+    this.eventBus._on("presentationmodechanged", evt => {
+      this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
+    });
+
+    this.eventBus._on("pagesinit", () => {
+      this._isPagesLoaded = false;
+
+      const onPagesLoaded = evt => {
+        this.eventBus._off("pagesloaded", onPagesLoaded);
+
+        this._isPagesLoaded = !!evt.pagesCount;
+      };
+
+      this.eventBus._on("pagesloaded", onPagesLoaded);
+    });
+  }
+
+  initialize({
+    fingerprint,
+    resetHistory = false,
+    updateUrl = false
+  }) {
+    if (!fingerprint || typeof fingerprint !== "string") {
+      console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+      return;
+    }
+
+    if (this._initialized) {
+      this.reset();
+    }
+
+    const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+    this._fingerprint = fingerprint;
+    this._updateUrl = updateUrl === true;
+    this._initialized = true;
+
+    this._bindEvents();
+
+    const state = window.history.state;
+    this._popStateInProgress = false;
+    this._blockHashChange = 0;
+    this._currentHash = getCurrentHash();
+    this._numPositionUpdates = 0;
+    this._uid = this._maxUid = 0;
+    this._destination = null;
+    this._position = null;
+
+    if (!this._isValidState(state, true) || resetHistory) {
+      const {
+        hash,
+        page,
+        rotation
+      } = this._parseCurrentHash(true);
+
+      if (!hash || reInitialized || resetHistory) {
+        this._pushOrReplaceState(null, true);
+
+        return;
+      }
+
+      this._pushOrReplaceState({
+        hash,
+        page,
+        rotation
+      }, true);
+
+      return;
+    }
+
+    const destination = state.destination;
+
+    this._updateInternalState(destination, state.uid, true);
+
+    if (this._uid > this._maxUid) {
+      this._maxUid = this._uid;
+    }
+
+    if (destination.rotation !== undefined) {
+      this._initialRotation = destination.rotation;
+    }
+
+    if (destination.dest) {
+      this._initialBookmark = JSON.stringify(destination.dest);
+      this._destination.page = null;
+    } else if (destination.hash) {
+      this._initialBookmark = destination.hash;
+    } else if (destination.page) {
+      this._initialBookmark = `page=${destination.page}`;
+    }
+  }
+
+  reset() {
+    if (this._initialized) {
+      this._pageHide();
+
+      this._initialized = false;
+
+      this._unbindEvents();
+    }
+
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    this._initialBookmark = null;
+    this._initialRotation = null;
+  }
+
+  push({
+    namedDest = null,
+    explicitDest,
+    pageNumber
+  }) {
+    if (!this._initialized) {
+      return;
+    }
+
+    if (namedDest && typeof namedDest !== "string") {
+      console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
+      return;
+    } else if (!Array.isArray(explicitDest)) {
+      console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
+      return;
+    } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
+      if (pageNumber !== null || this._destination) {
+        console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
+        return;
+      }
+    }
+
+    const hash = namedDest || JSON.stringify(explicitDest);
+
+    if (!hash) {
+      return;
+    }
+
+    let forceReplace = false;
+
+    if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+      if (this._destination.page) {
+        return;
+      }
+
+      forceReplace = true;
+    }
+
+    if (this._popStateInProgress && !forceReplace) {
+      return;
+    }
+
+    this._pushOrReplaceState({
+      dest: explicitDest,
+      hash,
+      page: pageNumber,
+      rotation: this.linkService.rotation
+    }, forceReplace);
+
+    if (!this._popStateInProgress) {
+      this._popStateInProgress = true;
+      Promise.resolve().then(() => {
+        this._popStateInProgress = false;
+      });
+    }
+  }
+
+  pushCurrentPosition() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    this._tryPushCurrentPosition();
+  }
+
+  back() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    const state = window.history.state;
+
+    if (this._isValidState(state) && state.uid > 0) {
+      window.history.back();
+    }
+  }
+
+  forward() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    const state = window.history.state;
+
+    if (this._isValidState(state) && state.uid < this._maxUid) {
+      window.history.forward();
+    }
+  }
+
+  get popStateInProgress() {
+    return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+  }
+
+  get initialBookmark() {
+    return this._initialized ? this._initialBookmark : null;
+  }
+
+  get initialRotation() {
+    return this._initialized ? this._initialRotation : null;
+  }
+
+  _pushOrReplaceState(destination, forceReplace = false) {
+    const shouldReplace = forceReplace || !this._destination;
+    const newState = {
+      fingerprint: this._fingerprint,
+      uid: shouldReplace ? this._uid : this._uid + 1,
+      destination
+    };
+
+    this._updateInternalState(destination, newState.uid);
+
+    let newUrl;
+
+    if (this._updateUrl && destination && destination.hash) {
+      const baseUrl = document.location.href.split("#")[0];
+
+      if (!baseUrl.startsWith("file://")) {
+        newUrl = `${baseUrl}#${destination.hash}`;
+      }
+    }
+
+    if (shouldReplace) {
+      window.history.replaceState(newState, "", newUrl);
+    } else {
+      this._maxUid = this._uid;
+      window.history.pushState(newState, "", newUrl);
+    }
+  }
+
+  _tryPushCurrentPosition(temporary = false) {
+    if (!this._position) {
+      return;
+    }
+
+    let position = this._position;
+
+    if (temporary) {
+      position = Object.assign(Object.create(null), this._position);
+      position.temporary = true;
+    }
+
+    if (!this._destination) {
+      this._pushOrReplaceState(position);
+
+      return;
+    }
+
+    if (this._destination.temporary) {
+      this._pushOrReplaceState(position, true);
+
+      return;
+    }
+
+    if (this._destination.hash === position.hash) {
+      return;
+    }
+
+    if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+      return;
+    }
+
+    let forceReplace = false;
+
+    if (this._destination.page >= position.first && this._destination.page <= position.page) {
+      if (this._destination.dest || !this._destination.first) {
+        return;
+      }
+
+      forceReplace = true;
+    }
+
+    this._pushOrReplaceState(position, forceReplace);
+  }
+
+  _isValidState(state, checkReload = false) {
+    if (!state) {
+      return false;
+    }
+
+    if (state.fingerprint !== this._fingerprint) {
+      if (checkReload) {
+        if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+          return false;
+        }
+
+        const [perfEntry] = performance.getEntriesByType("navigation");
+
+        if (!perfEntry || perfEntry.type !== "reload") {
+          return false;
+        }
+      } else {
+        return false;
+      }
+    }
+
+    if (!Number.isInteger(state.uid) || state.uid < 0) {
+      return false;
+    }
+
+    if (state.destination === null || typeof state.destination !== "object") {
+      return false;
+    }
+
+    return true;
+  }
+
+  _updateInternalState(destination, uid, removeTemporary = false) {
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    if (removeTemporary && destination && destination.temporary) {
+      delete destination.temporary;
+    }
+
+    this._destination = destination;
+    this._uid = uid;
+    this._numPositionUpdates = 0;
+  }
+
+  _parseCurrentHash(checkNameddest = false) {
+    const hash = unescape(getCurrentHash()).substring(1);
+    const params = (0, _ui_utils.parseQueryString)(hash);
+    const nameddest = params.nameddest || "";
+    let page = params.page | 0;
+
+    if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {
+      page = null;
+    }
+
+    return {
+      hash,
+      page,
+      rotation: this.linkService.rotation
+    };
+  }
+
+  _updateViewarea({
+    location
+  }) {
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    this._position = {
+      hash: this._isViewerInPresentationMode ? `page=${location.pageNumber}` : location.pdfOpenParams.substring(1),
+      page: this.linkService.page,
+      first: location.pageNumber,
+      rotation: location.rotation
+    };
+
+    if (this._popStateInProgress) {
+      return;
+    }
+
+    if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+      this._numPositionUpdates++;
+    }
+
+    if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+      this._updateViewareaTimeout = setTimeout(() => {
+        if (!this._popStateInProgress) {
+          this._tryPushCurrentPosition(true);
+        }
+
+        this._updateViewareaTimeout = null;
+      }, UPDATE_VIEWAREA_TIMEOUT);
+    }
+  }
+
+  _popState({
+    state
+  }) {
+    const newHash = getCurrentHash(),
+          hashChanged = this._currentHash !== newHash;
+    this._currentHash = newHash;
+
+    if (!state) {
+      this._uid++;
+
+      const {
+        hash,
+        page,
+        rotation
+      } = this._parseCurrentHash();
+
+      this._pushOrReplaceState({
+        hash,
+        page,
+        rotation
+      }, true);
+
+      return;
+    }
+
+    if (!this._isValidState(state)) {
+      return;
+    }
+
+    this._popStateInProgress = true;
+
+    if (hashChanged) {
+      this._blockHashChange++;
+      (0, _ui_utils.waitOnEventOrTimeout)({
+        target: window,
+        name: "hashchange",
+        delay: HASH_CHANGE_TIMEOUT
+      }).then(() => {
+        this._blockHashChange--;
+      });
+    }
+
+    const destination = state.destination;
+
+    this._updateInternalState(destination, state.uid, true);
+
+    if (this._uid > this._maxUid) {
+      this._maxUid = this._uid;
+    }
+
+    if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
+      this.linkService.rotation = destination.rotation;
+    }
+
+    if (destination.dest) {
+      this.linkService.navigateTo(destination.dest);
+    } else if (destination.hash) {
+      this.linkService.setHash(destination.hash);
+    } else if (destination.page) {
+      this.linkService.page = destination.page;
+    }
+
+    Promise.resolve().then(() => {
+      this._popStateInProgress = false;
+    });
+  }
+
+  _pageHide() {
+    if (!this._destination || this._destination.temporary) {
+      this._tryPushCurrentPosition();
+    }
+  }
+
+  _bindEvents() {
+    if (this._boundEvents) {
+      return;
+    }
+
+    this._boundEvents = {
+      updateViewarea: this._updateViewarea.bind(this),
+      popState: this._popState.bind(this),
+      pageHide: this._pageHide.bind(this)
+    };
+
+    this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
+
+    window.addEventListener("popstate", this._boundEvents.popState);
+    window.addEventListener("pagehide", this._boundEvents.pageHide);
+  }
+
+  _unbindEvents() {
+    if (!this._boundEvents) {
+      return;
+    }
+
+    this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
+
+    window.removeEventListener("popstate", this._boundEvents.popState);
+    window.removeEventListener("pagehide", this._boundEvents.pageHide);
+    this._boundEvents = null;
+  }
+
+}
+
+exports.PDFHistory = PDFHistory;
+
+function isDestHashesEqual(destHash, pushHash) {
+  if (typeof destHash !== "string" || typeof pushHash !== "string") {
+    return false;
+  }
+
+  if (destHash === pushHash) {
+    return true;
+  }
+
+  const {
+    nameddest
+  } = (0, _ui_utils.parseQueryString)(destHash);
+
+  if (nameddest === pushHash) {
+    return true;
+  }
+
+  return false;
+}
+
+function isDestArraysEqual(firstDest, secondDest) {
+  function isEntryEqual(first, second) {
+    if (typeof first !== typeof second) {
+      return false;
+    }
+
+    if (Array.isArray(first) || Array.isArray(second)) {
+      return false;
+    }
+
+    if (first !== null && typeof first === "object" && second !== null) {
+      if (Object.keys(first).length !== Object.keys(second).length) {
+        return false;
+      }
+
+      for (const key in first) {
+        if (!isEntryEqual(first[key], second[key])) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+
+    return first === second || Number.isNaN(first) && Number.isNaN(second);
+  }
+
+  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+    return false;
+  }
+
+  if (firstDest.length !== secondDest.length) {
+    return false;
+  }
+
+  for (let i = 0, ii = firstDest.length; i < ii; i++) {
+    if (!isEntryEqual(firstDest[i], secondDest[i])) {
+      return false;
+    }
+  }
+
+  return true;
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_layer_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_layer_viewer.js
new file mode 100644
index 00000000..447a8458
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_layer_viewer.js
@@ -0,0 +1,208 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFLayerViewer = void 0;
+
+var _base_tree_viewer = require("./base_tree_viewer.js");
+
+class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
+  constructor(options) {
+    super(options);
+    this.l10n = options.l10n;
+
+    this.eventBus._on("resetlayers", this._resetLayers.bind(this));
+
+    this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
+  }
+
+  reset() {
+    super.reset();
+    this._optionalContentConfig = null;
+    this._pdfDocument = null;
+  }
+
+  _dispatchEvent(layersCount) {
+    this.eventBus.dispatch("layersloaded", {
+      source: this,
+      layersCount
+    });
+  }
+
+  _bindLink(element, {
+    groupId,
+    input
+  }) {
+    const setVisibility = () => {
+      this._optionalContentConfig.setVisibility(groupId, input.checked);
+
+      this.eventBus.dispatch("optionalcontentconfig", {
+        source: this,
+        promise: Promise.resolve(this._optionalContentConfig)
+      });
+    };
+
+    element.onclick = evt => {
+      if (evt.target === input) {
+        setVisibility();
+        return true;
+      } else if (evt.target !== element) {
+        return true;
+      }
+
+      input.checked = !input.checked;
+      setVisibility();
+      return false;
+    };
+  }
+
+  async _setNestedName(element, {
+    name = null
+  }) {
+    if (typeof name === "string") {
+      element.textContent = this._normalizeTextContent(name);
+      return;
+    }
+
+    element.textContent = await this.l10n.get("additional_layers", null, "Additional Layers");
+    element.style.fontStyle = "italic";
+  }
+
+  _addToggleButton(div, {
+    name = null
+  }) {
+    super._addToggleButton(div, name === null);
+  }
+
+  _toggleAllTreeItems() {
+    if (!this._optionalContentConfig) {
+      return;
+    }
+
+    super._toggleAllTreeItems();
+  }
+
+  render({
+    optionalContentConfig,
+    pdfDocument
+  }) {
+    if (this._optionalContentConfig) {
+      this.reset();
+    }
+
+    this._optionalContentConfig = optionalContentConfig || null;
+    this._pdfDocument = pdfDocument || null;
+    const groups = optionalContentConfig && optionalContentConfig.getOrder();
+
+    if (!groups) {
+      this._dispatchEvent(0);
+
+      return;
+    }
+
+    const fragment = document.createDocumentFragment(),
+          queue = [{
+      parent: fragment,
+      groups
+    }];
+    let layersCount = 0,
+        hasAnyNesting = false;
+
+    while (queue.length > 0) {
+      const levelData = queue.shift();
+
+      for (const groupId of levelData.groups) {
+        const div = document.createElement("div");
+        div.className = "treeItem";
+        const element = document.createElement("a");
+        div.appendChild(element);
+
+        if (typeof groupId === "object") {
+          hasAnyNesting = true;
+
+          this._addToggleButton(div, groupId);
+
+          this._setNestedName(element, groupId);
+
+          const itemsDiv = document.createElement("div");
+          itemsDiv.className = "treeItems";
+          div.appendChild(itemsDiv);
+          queue.push({
+            parent: itemsDiv,
+            groups: groupId.order
+          });
+        } else {
+          const group = optionalContentConfig.getGroup(groupId);
+          const input = document.createElement("input");
+
+          this._bindLink(element, {
+            groupId,
+            input
+          });
+
+          input.type = "checkbox";
+          input.id = groupId;
+          input.checked = group.visible;
+          const label = document.createElement("label");
+          label.setAttribute("for", groupId);
+          label.textContent = this._normalizeTextContent(group.name);
+          element.appendChild(input);
+          element.appendChild(label);
+          layersCount++;
+        }
+
+        levelData.parent.appendChild(div);
+      }
+    }
+
+    if (hasAnyNesting) {
+      this.container.classList.add("treeWithDeepNesting");
+      this._lastToggleIsShow = fragment.querySelectorAll(".treeItemsHidden").length === 0;
+    }
+
+    this.container.appendChild(fragment);
+
+    this._dispatchEvent(layersCount);
+  }
+
+  async _resetLayers() {
+    if (!this._optionalContentConfig) {
+      return;
+    }
+
+    const optionalContentConfig = await this._pdfDocument.getOptionalContentConfig();
+    this.eventBus.dispatch("optionalcontentconfig", {
+      source: this,
+      promise: Promise.resolve(optionalContentConfig)
+    });
+    this.render({
+      optionalContentConfig,
+      pdfDocument: this._pdfDocument
+    });
+  }
+
+}
+
+exports.PDFLayerViewer = PDFLayerViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_link_service.js b/node_modules/pdfjs-dist/lib/web/pdf_link_service.js
new file mode 100644
index 00000000..a0331a0e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_link_service.js
@@ -0,0 +1,454 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleLinkService = exports.PDFLinkService = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+class PDFLinkService {
+  constructor({
+    eventBus,
+    externalLinkTarget = null,
+    externalLinkRel = null,
+    externalLinkEnabled = true,
+    ignoreDestinationZoom = false
+  } = {}) {
+    this.eventBus = eventBus;
+    this.externalLinkTarget = externalLinkTarget;
+    this.externalLinkRel = externalLinkRel;
+    this.externalLinkEnabled = externalLinkEnabled;
+    this._ignoreDestinationZoom = ignoreDestinationZoom;
+    this.baseUrl = null;
+    this.pdfDocument = null;
+    this.pdfViewer = null;
+    this.pdfHistory = null;
+    this._pagesRefCache = null;
+  }
+
+  setDocument(pdfDocument, baseUrl = null) {
+    this.baseUrl = baseUrl;
+    this.pdfDocument = pdfDocument;
+    this._pagesRefCache = Object.create(null);
+  }
+
+  setViewer(pdfViewer) {
+    this.pdfViewer = pdfViewer;
+  }
+
+  setHistory(pdfHistory) {
+    this.pdfHistory = pdfHistory;
+  }
+
+  get pagesCount() {
+    return this.pdfDocument ? this.pdfDocument.numPages : 0;
+  }
+
+  get page() {
+    return this.pdfViewer.currentPageNumber;
+  }
+
+  set page(value) {
+    this.pdfViewer.currentPageNumber = value;
+  }
+
+  get rotation() {
+    return this.pdfViewer.pagesRotation;
+  }
+
+  set rotation(value) {
+    this.pdfViewer.pagesRotation = value;
+  }
+
+  navigateTo(dest) {
+    const goToDestination = ({
+      namedDest,
+      explicitDest
+    }) => {
+      const destRef = explicitDest[0];
+      let pageNumber;
+
+      if (destRef instanceof Object) {
+        pageNumber = this._cachedPageNumber(destRef);
+
+        if (pageNumber === null) {
+          this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
+            this.cachePageRef(pageIndex + 1, destRef);
+            goToDestination({
+              namedDest,
+              explicitDest
+            });
+          }).catch(() => {
+            console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid page reference, for dest="${dest}".`);
+          });
+          return;
+        }
+      } else if (Number.isInteger(destRef)) {
+        pageNumber = destRef + 1;
+      } else {
+        console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid destination reference, for dest="${dest}".`);
+        return;
+      }
+
+      if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
+        console.error(`PDFLinkService.navigateTo: "${pageNumber}" is not ` + `a valid page number, for dest="${dest}".`);
+        return;
+      }
+
+      if (this.pdfHistory) {
+        this.pdfHistory.pushCurrentPosition();
+        this.pdfHistory.push({
+          namedDest,
+          explicitDest,
+          pageNumber
+        });
+      }
+
+      this.pdfViewer.scrollPageIntoView({
+        pageNumber,
+        destArray: explicitDest,
+        ignoreDestinationZoom: this._ignoreDestinationZoom
+      });
+    };
+
+    new Promise((resolve, reject) => {
+      if (typeof dest === "string") {
+        this.pdfDocument.getDestination(dest).then(destArray => {
+          resolve({
+            namedDest: dest,
+            explicitDest: destArray
+          });
+        });
+        return;
+      }
+
+      resolve({
+        namedDest: "",
+        explicitDest: dest
+      });
+    }).then(data => {
+      if (!Array.isArray(data.explicitDest)) {
+        console.error(`PDFLinkService.navigateTo: "${data.explicitDest}" is` + ` not a valid destination array, for dest="${dest}".`);
+        return;
+      }
+
+      goToDestination(data);
+    });
+  }
+
+  getDestinationHash(dest) {
+    if (typeof dest === "string") {
+      return this.getAnchorUrl("#" + escape(dest));
+    }
+
+    if (Array.isArray(dest)) {
+      const str = JSON.stringify(dest);
+      return this.getAnchorUrl("#" + escape(str));
+    }
+
+    return this.getAnchorUrl("");
+  }
+
+  getAnchorUrl(anchor) {
+    return (this.baseUrl || "") + anchor;
+  }
+
+  setHash(hash) {
+    let pageNumber, dest;
+
+    if (hash.includes("=")) {
+      const params = (0, _ui_utils.parseQueryString)(hash);
+
+      if ("search" in params) {
+        this.eventBus.dispatch("findfromurlhash", {
+          source: this,
+          query: params.search.replace(/"/g, ""),
+          phraseSearch: params.phrase === "true"
+        });
+      }
+
+      if ("page" in params) {
+        pageNumber = params.page | 0 || 1;
+      }
+
+      if ("zoom" in params) {
+        const zoomArgs = params.zoom.split(",");
+        const zoomArg = zoomArgs[0];
+        const zoomArgNumber = parseFloat(zoomArg);
+
+        if (!zoomArg.includes("Fit")) {
+          dest = [null, {
+            name: "XYZ"
+          }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+        } else {
+          if (zoomArg === "Fit" || zoomArg === "FitB") {
+            dest = [null, {
+              name: zoomArg
+            }];
+          } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+            dest = [null, {
+              name: zoomArg
+            }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+          } else if (zoomArg === "FitR") {
+            if (zoomArgs.length !== 5) {
+              console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+            } else {
+              dest = [null, {
+                name: zoomArg
+              }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+            }
+          } else {
+            console.error(`PDFLinkService.setHash: "${zoomArg}" is not ` + "a valid zoom value.");
+          }
+        }
+      }
+
+      if (dest) {
+        this.pdfViewer.scrollPageIntoView({
+          pageNumber: pageNumber || this.page,
+          destArray: dest,
+          allowNegativeOffset: true
+        });
+      } else if (pageNumber) {
+        this.page = pageNumber;
+      }
+
+      if ("pagemode" in params) {
+        this.eventBus.dispatch("pagemode", {
+          source: this,
+          mode: params.pagemode
+        });
+      }
+
+      if ("nameddest" in params) {
+        this.navigateTo(params.nameddest);
+      }
+    } else {
+      dest = unescape(hash);
+
+      try {
+        dest = JSON.parse(dest);
+
+        if (!Array.isArray(dest)) {
+          dest = dest.toString();
+        }
+      } catch (ex) {}
+
+      if (typeof dest === "string" || isValidExplicitDestination(dest)) {
+        this.navigateTo(dest);
+        return;
+      }
+
+      console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not ` + "a valid destination.");
+    }
+  }
+
+  executeNamedAction(action) {
+    switch (action) {
+      case "GoBack":
+        if (this.pdfHistory) {
+          this.pdfHistory.back();
+        }
+
+        break;
+
+      case "GoForward":
+        if (this.pdfHistory) {
+          this.pdfHistory.forward();
+        }
+
+        break;
+
+      case "NextPage":
+        if (this.page < this.pagesCount) {
+          this.page++;
+        }
+
+        break;
+
+      case "PrevPage":
+        if (this.page > 1) {
+          this.page--;
+        }
+
+        break;
+
+      case "LastPage":
+        this.page = this.pagesCount;
+        break;
+
+      case "FirstPage":
+        this.page = 1;
+        break;
+
+      default:
+        break;
+    }
+
+    this.eventBus.dispatch("namedaction", {
+      source: this,
+      action
+    });
+  }
+
+  cachePageRef(pageNum, pageRef) {
+    if (!pageRef) {
+      return;
+    }
+
+    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
+    this._pagesRefCache[refStr] = pageNum;
+  }
+
+  _cachedPageNumber(pageRef) {
+    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
+    return this._pagesRefCache && this._pagesRefCache[refStr] || null;
+  }
+
+  isPageVisible(pageNumber) {
+    return this.pdfViewer.isPageVisible(pageNumber);
+  }
+
+}
+
+exports.PDFLinkService = PDFLinkService;
+
+function isValidExplicitDestination(dest) {
+  if (!Array.isArray(dest)) {
+    return false;
+  }
+
+  const destLength = dest.length;
+
+  if (destLength < 2) {
+    return false;
+  }
+
+  const page = dest[0];
+
+  if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
+    return false;
+  }
+
+  const zoom = dest[1];
+
+  if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
+    return false;
+  }
+
+  let allowNull = true;
+
+  switch (zoom.name) {
+    case "XYZ":
+      if (destLength !== 5) {
+        return false;
+      }
+
+      break;
+
+    case "Fit":
+    case "FitB":
+      return destLength === 2;
+
+    case "FitH":
+    case "FitBH":
+    case "FitV":
+    case "FitBV":
+      if (destLength !== 3) {
+        return false;
+      }
+
+      break;
+
+    case "FitR":
+      if (destLength !== 6) {
+        return false;
+      }
+
+      allowNull = false;
+      break;
+
+    default:
+      return false;
+  }
+
+  for (let i = 2; i < destLength; i++) {
+    const param = dest[i];
+
+    if (!(typeof param === "number" || allowNull && param === null)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+class SimpleLinkService {
+  constructor() {
+    this.externalLinkTarget = null;
+    this.externalLinkRel = null;
+    this.externalLinkEnabled = true;
+    this._ignoreDestinationZoom = false;
+  }
+
+  get pagesCount() {
+    return 0;
+  }
+
+  get page() {
+    return 0;
+  }
+
+  set page(value) {}
+
+  get rotation() {
+    return 0;
+  }
+
+  set rotation(value) {}
+
+  navigateTo(dest) {}
+
+  getDestinationHash(dest) {
+    return "#";
+  }
+
+  getAnchorUrl(hash) {
+    return "#";
+  }
+
+  setHash(hash) {}
+
+  executeNamedAction(action) {}
+
+  cachePageRef(pageNum, pageRef) {}
+
+  isPageVisible(pageNumber) {
+    return true;
+  }
+
+}
+
+exports.SimpleLinkService = SimpleLinkService;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_outline_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_outline_viewer.js
new file mode 100644
index 00000000..fa04c468
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_outline_viewer.js
@@ -0,0 +1,182 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFOutlineViewer = void 0;
+
+var _pdf = require("../pdf");
+
+var _base_tree_viewer = require("./base_tree_viewer.js");
+
+class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
+  constructor(options) {
+    super(options);
+    this.linkService = options.linkService;
+
+    this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
+  }
+
+  reset() {
+    super.reset();
+    this._outline = null;
+  }
+
+  _dispatchEvent(outlineCount) {
+    this.eventBus.dispatch("outlineloaded", {
+      source: this,
+      outlineCount
+    });
+  }
+
+  _bindLink(element, {
+    url,
+    newWindow,
+    dest
+  }) {
+    const {
+      linkService
+    } = this;
+
+    if (url) {
+      (0, _pdf.addLinkAttributes)(element, {
+        url,
+        target: newWindow ? _pdf.LinkTarget.BLANK : linkService.externalLinkTarget,
+        rel: linkService.externalLinkRel,
+        enabled: linkService.externalLinkEnabled
+      });
+      return;
+    }
+
+    element.href = linkService.getDestinationHash(dest);
+
+    element.onclick = () => {
+      if (dest) {
+        linkService.navigateTo(dest);
+      }
+
+      return false;
+    };
+  }
+
+  _setStyles(element, {
+    bold,
+    italic
+  }) {
+    if (bold) {
+      element.style.fontWeight = "bold";
+    }
+
+    if (italic) {
+      element.style.fontStyle = "italic";
+    }
+  }
+
+  _addToggleButton(div, {
+    count,
+    items
+  }) {
+    const hidden = count < 0 && Math.abs(count) === items.length;
+
+    super._addToggleButton(div, hidden);
+  }
+
+  _toggleAllTreeItems() {
+    if (!this._outline) {
+      return;
+    }
+
+    super._toggleAllTreeItems();
+  }
+
+  render({
+    outline
+  }) {
+    if (this._outline) {
+      this.reset();
+    }
+
+    this._outline = outline || null;
+
+    if (!outline) {
+      this._dispatchEvent(0);
+
+      return;
+    }
+
+    const fragment = document.createDocumentFragment();
+    const queue = [{
+      parent: fragment,
+      items: outline
+    }];
+    let outlineCount = 0,
+        hasAnyNesting = false;
+
+    while (queue.length > 0) {
+      const levelData = queue.shift();
+
+      for (const item of levelData.items) {
+        const div = document.createElement("div");
+        div.className = "treeItem";
+        const element = document.createElement("a");
+
+        this._bindLink(element, item);
+
+        this._setStyles(element, item);
+
+        element.textContent = this._normalizeTextContent(item.title);
+        div.appendChild(element);
+
+        if (item.items.length > 0) {
+          hasAnyNesting = true;
+
+          this._addToggleButton(div, item);
+
+          const itemsDiv = document.createElement("div");
+          itemsDiv.className = "treeItems";
+          div.appendChild(itemsDiv);
+          queue.push({
+            parent: itemsDiv,
+            items: item.items
+          });
+        }
+
+        levelData.parent.appendChild(div);
+        outlineCount++;
+      }
+    }
+
+    if (hasAnyNesting) {
+      this.container.classList.add("treeWithDeepNesting");
+      this._lastToggleIsShow = fragment.querySelectorAll(".treeItemsHidden").length === 0;
+    }
+
+    this.container.appendChild(fragment);
+
+    this._dispatchEvent(outlineCount);
+  }
+
+}
+
+exports.PDFOutlineViewer = PDFOutlineViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_page_view.js b/node_modules/pdfjs-dist/lib/web/pdf_page_view.js
new file mode 100644
index 00000000..7db15ef6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_page_view.js
@@ -0,0 +1,636 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPageView = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf = require("../pdf");
+
+var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+const MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
+
+class PDFPageView {
+  constructor(options) {
+    const container = options.container;
+    const defaultViewport = options.defaultViewport;
+    this.id = options.id;
+    this.renderingId = "page" + this.id;
+    this.pdfPage = null;
+    this.pageLabel = null;
+    this.rotation = 0;
+    this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
+    this.viewport = defaultViewport;
+    this.pdfPageRotate = defaultViewport.rotation;
+    this._annotationStorage = options.annotationStorage || null;
+    this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+    this.hasRestrictedScaling = false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
+    this.eventBus = options.eventBus;
+    this.renderingQueue = options.renderingQueue;
+    this.textLayerFactory = options.textLayerFactory;
+    this.annotationLayerFactory = options.annotationLayerFactory;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.paintTask = null;
+    this.paintedViewportMap = new WeakMap();
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    this.resume = null;
+    this.error = null;
+    this.annotationLayer = null;
+    this.textLayer = null;
+    this.zoomLayer = null;
+    const div = document.createElement("div");
+    div.className = "page";
+    div.style.width = Math.floor(this.viewport.width) + "px";
+    div.style.height = Math.floor(this.viewport.height) + "px";
+    div.setAttribute("data-page-number", this.id);
+    this.div = div;
+    container.appendChild(div);
+  }
+
+  setPdfPage(pdfPage) {
+    this.pdfPage = pdfPage;
+    this.pdfPageRotate = pdfPage.rotate;
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = pdfPage.getViewport({
+      scale: this.scale * _ui_utils.CSS_UNITS,
+      rotation: totalRotation
+    });
+    this.stats = pdfPage.stats;
+    this.reset();
+  }
+
+  destroy() {
+    this.reset();
+
+    if (this.pdfPage) {
+      this.pdfPage.cleanup();
+    }
+  }
+
+  async _renderAnnotationLayer() {
+    let error = null;
+
+    try {
+      await this.annotationLayer.render(this.viewport, "display");
+    } catch (ex) {
+      error = ex;
+    } finally {
+      this.eventBus.dispatch("annotationlayerrendered", {
+        source: this,
+        pageNumber: this.id,
+        error
+      });
+    }
+  }
+
+  _resetZoomLayer(removeFromDOM = false) {
+    if (!this.zoomLayer) {
+      return;
+    }
+
+    const zoomLayerCanvas = this.zoomLayer.firstChild;
+    this.paintedViewportMap.delete(zoomLayerCanvas);
+    zoomLayerCanvas.width = 0;
+    zoomLayerCanvas.height = 0;
+
+    if (removeFromDOM) {
+      this.zoomLayer.remove();
+    }
+
+    this.zoomLayer = null;
+  }
+
+  reset(keepZoomLayer = false, keepAnnotations = false) {
+    this.cancelRendering(keepAnnotations);
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    const div = this.div;
+    div.style.width = Math.floor(this.viewport.width) + "px";
+    div.style.height = Math.floor(this.viewport.height) + "px";
+    const childNodes = div.childNodes;
+    const currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
+    const currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
+
+    for (let i = childNodes.length - 1; i >= 0; i--) {
+      const node = childNodes[i];
+
+      if (currentZoomLayerNode === node || currentAnnotationNode === node) {
+        continue;
+      }
+
+      div.removeChild(node);
+    }
+
+    div.removeAttribute("data-loaded");
+
+    if (currentAnnotationNode) {
+      this.annotationLayer.hide();
+    } else if (this.annotationLayer) {
+      this.annotationLayer.cancel();
+      this.annotationLayer = null;
+    }
+
+    if (!currentZoomLayerNode) {
+      if (this.canvas) {
+        this.paintedViewportMap.delete(this.canvas);
+        this.canvas.width = 0;
+        this.canvas.height = 0;
+        delete this.canvas;
+      }
+
+      this._resetZoomLayer();
+    }
+
+    if (this.svg) {
+      this.paintedViewportMap.delete(this.svg);
+      delete this.svg;
+    }
+
+    this.loadingIconDiv = document.createElement("div");
+    this.loadingIconDiv.className = "loadingIcon";
+    div.appendChild(this.loadingIconDiv);
+  }
+
+  update(scale, rotation, optionalContentConfigPromise = null) {
+    this.scale = scale || this.scale;
+
+    if (typeof rotation !== "undefined") {
+      this.rotation = rotation;
+    }
+
+    if (optionalContentConfigPromise instanceof Promise) {
+      this._optionalContentConfigPromise = optionalContentConfigPromise;
+    }
+
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = this.viewport.clone({
+      scale: this.scale * _ui_utils.CSS_UNITS,
+      rotation: totalRotation
+    });
+
+    if (this.svg) {
+      this.cssTransform(this.svg, true);
+      this.eventBus.dispatch("pagerendered", {
+        source: this,
+        pageNumber: this.id,
+        cssTransform: true,
+        timestamp: performance.now()
+      });
+      return;
+    }
+
+    let isScalingRestricted = false;
+
+    if (this.canvas && this.maxCanvasPixels > 0) {
+      const outputScale = this.outputScale;
+
+      if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
+        isScalingRestricted = true;
+      }
+    }
+
+    if (this.canvas) {
+      if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
+        this.cssTransform(this.canvas, true);
+        this.eventBus.dispatch("pagerendered", {
+          source: this,
+          pageNumber: this.id,
+          cssTransform: true,
+          timestamp: performance.now()
+        });
+        return;
+      }
+
+      if (!this.zoomLayer && !this.canvas.hasAttribute("hidden")) {
+        this.zoomLayer = this.canvas.parentNode;
+        this.zoomLayer.style.position = "absolute";
+      }
+    }
+
+    if (this.zoomLayer) {
+      this.cssTransform(this.zoomLayer.firstChild);
+    }
+
+    this.reset(true, true);
+  }
+
+  cancelRendering(keepAnnotations = false) {
+    if (this.paintTask) {
+      this.paintTask.cancel();
+      this.paintTask = null;
+    }
+
+    this.resume = null;
+
+    if (this.textLayer) {
+      this.textLayer.cancel();
+      this.textLayer = null;
+    }
+
+    if (!keepAnnotations && this.annotationLayer) {
+      this.annotationLayer.cancel();
+      this.annotationLayer = null;
+    }
+  }
+
+  cssTransform(target, redrawAnnotations = false) {
+    const width = this.viewport.width;
+    const height = this.viewport.height;
+    const div = this.div;
+    target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
+    target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
+    const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
+    const absRotation = Math.abs(relativeRotation);
+    let scaleX = 1,
+        scaleY = 1;
+
+    if (absRotation === 90 || absRotation === 270) {
+      scaleX = height / width;
+      scaleY = width / height;
+    }
+
+    const cssTransform = "rotate(" + relativeRotation + "deg) " + "scale(" + scaleX + "," + scaleY + ")";
+    target.style.transform = cssTransform;
+
+    if (this.textLayer) {
+      const textLayerViewport = this.textLayer.viewport;
+      const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
+      const textAbsRotation = Math.abs(textRelativeRotation);
+      let scale = width / textLayerViewport.width;
+
+      if (textAbsRotation === 90 || textAbsRotation === 270) {
+        scale = width / textLayerViewport.height;
+      }
+
+      const textLayerDiv = this.textLayer.textLayerDiv;
+      let transX, transY;
+
+      switch (textAbsRotation) {
+        case 0:
+          transX = transY = 0;
+          break;
+
+        case 90:
+          transX = 0;
+          transY = "-" + textLayerDiv.style.height;
+          break;
+
+        case 180:
+          transX = "-" + textLayerDiv.style.width;
+          transY = "-" + textLayerDiv.style.height;
+          break;
+
+        case 270:
+          transX = "-" + textLayerDiv.style.width;
+          transY = 0;
+          break;
+
+        default:
+          console.error("Bad rotation value.");
+          break;
+      }
+
+      textLayerDiv.style.transform = "rotate(" + textAbsRotation + "deg) " + "scale(" + scale + ", " + scale + ") " + "translate(" + transX + ", " + transY + ")";
+      textLayerDiv.style.transformOrigin = "0% 0%";
+    }
+
+    if (redrawAnnotations && this.annotationLayer) {
+      this._renderAnnotationLayer();
+    }
+  }
+
+  get width() {
+    return this.viewport.width;
+  }
+
+  get height() {
+    return this.viewport.height;
+  }
+
+  getPagePoint(x, y) {
+    return this.viewport.convertToPdfPoint(x, y);
+  }
+
+  draw() {
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
+      console.error("Must be in new state before drawing");
+      this.reset();
+    }
+
+    const {
+      div,
+      pdfPage
+    } = this;
+
+    if (!pdfPage) {
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+      if (this.loadingIconDiv) {
+        div.removeChild(this.loadingIconDiv);
+        delete this.loadingIconDiv;
+      }
+
+      return Promise.reject(new Error("pdfPage is not loaded"));
+    }
+
+    this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+    const canvasWrapper = document.createElement("div");
+    canvasWrapper.style.width = div.style.width;
+    canvasWrapper.style.height = div.style.height;
+    canvasWrapper.classList.add("canvasWrapper");
+
+    if (this.annotationLayer && this.annotationLayer.div) {
+      div.insertBefore(canvasWrapper, this.annotationLayer.div);
+    } else {
+      div.appendChild(canvasWrapper);
+    }
+
+    let textLayer = null;
+
+    if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
+      const textLayerDiv = document.createElement("div");
+      textLayerDiv.className = "textLayer";
+      textLayerDiv.style.width = canvasWrapper.style.width;
+      textLayerDiv.style.height = canvasWrapper.style.height;
+
+      if (this.annotationLayer && this.annotationLayer.div) {
+        div.insertBefore(textLayerDiv, this.annotationLayer.div);
+      } else {
+        div.appendChild(textLayerDiv);
+      }
+
+      textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
+    }
+
+    this.textLayer = textLayer;
+    let renderContinueCallback = null;
+
+    if (this.renderingQueue) {
+      renderContinueCallback = cont => {
+        if (!this.renderingQueue.isHighestPriority(this)) {
+          this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
+
+          this.resume = () => {
+            this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+            cont();
+          };
+
+          return;
+        }
+
+        cont();
+      };
+    }
+
+    const finishPaintTask = async error => {
+      if (paintTask === this.paintTask) {
+        this.paintTask = null;
+      }
+
+      if (error instanceof _pdf.RenderingCancelledException) {
+        this.error = null;
+        return;
+      }
+
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+      if (this.loadingIconDiv) {
+        div.removeChild(this.loadingIconDiv);
+        delete this.loadingIconDiv;
+      }
+
+      this._resetZoomLayer(true);
+
+      this.error = error;
+      this.stats = pdfPage.stats;
+      this.eventBus.dispatch("pagerendered", {
+        source: this,
+        pageNumber: this.id,
+        cssTransform: false,
+        timestamp: performance.now()
+      });
+
+      if (error) {
+        throw error;
+      }
+    };
+
+    const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
+    paintTask.onRenderContinue = renderContinueCallback;
+    this.paintTask = paintTask;
+    const resultPromise = paintTask.promise.then(function () {
+      return finishPaintTask(null).then(function () {
+        if (textLayer) {
+          const readableStream = pdfPage.streamTextContent({
+            normalizeWhitespace: true
+          });
+          textLayer.setTextContentStream(readableStream);
+          textLayer.render();
+        }
+      });
+    }, function (reason) {
+      return finishPaintTask(reason);
+    });
+
+    if (this.annotationLayerFactory) {
+      if (!this.annotationLayer) {
+        this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this._annotationStorage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
+      }
+
+      this._renderAnnotationLayer();
+    }
+
+    div.setAttribute("data-loaded", true);
+    this.eventBus.dispatch("pagerender", {
+      source: this,
+      pageNumber: this.id
+    });
+    return resultPromise;
+  }
+
+  paintOnCanvas(canvasWrapper) {
+    const renderCapability = (0, _pdf.createPromiseCapability)();
+    const result = {
+      promise: renderCapability.promise,
+
+      onRenderContinue(cont) {
+        cont();
+      },
+
+      cancel() {
+        renderTask.cancel();
+      }
+
+    };
+    const viewport = this.viewport;
+    const canvas = document.createElement("canvas");
+    this.l10n.get("page_canvas", {
+      page: this.id
+    }, "Page {{page}}").then(msg => {
+      canvas.setAttribute("aria-label", msg);
+    });
+    canvas.setAttribute("hidden", "hidden");
+    let isCanvasHidden = true;
+
+    const showCanvas = function () {
+      if (isCanvasHidden) {
+        canvas.removeAttribute("hidden");
+        isCanvasHidden = false;
+      }
+    };
+
+    canvasWrapper.appendChild(canvas);
+    this.canvas = canvas;
+    canvas.mozOpaque = true;
+    const ctx = canvas.getContext("2d", {
+      alpha: false
+    });
+    const outputScale = (0, _ui_utils.getOutputScale)(ctx);
+    this.outputScale = outputScale;
+
+    if (this.useOnlyCssZoom) {
+      const actualSizeViewport = viewport.clone({
+        scale: _ui_utils.CSS_UNITS
+      });
+      outputScale.sx *= actualSizeViewport.width / viewport.width;
+      outputScale.sy *= actualSizeViewport.height / viewport.height;
+      outputScale.scaled = true;
+    }
+
+    if (this.maxCanvasPixels > 0) {
+      const pixelsInViewport = viewport.width * viewport.height;
+      const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
+
+      if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
+        outputScale.sx = maxScale;
+        outputScale.sy = maxScale;
+        outputScale.scaled = true;
+        this.hasRestrictedScaling = true;
+      } else {
+        this.hasRestrictedScaling = false;
+      }
+    }
+
+    const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
+    const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
+    canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
+    canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
+    canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
+    canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
+    this.paintedViewportMap.set(canvas, viewport);
+    const transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
+    const renderContext = {
+      canvasContext: ctx,
+      transform,
+      viewport: this.viewport,
+      enableWebGL: this.enableWebGL,
+      renderInteractiveForms: this.renderInteractiveForms,
+      optionalContentConfigPromise: this._optionalContentConfigPromise
+    };
+    const renderTask = this.pdfPage.render(renderContext);
+
+    renderTask.onContinue = function (cont) {
+      showCanvas();
+
+      if (result.onRenderContinue) {
+        result.onRenderContinue(cont);
+      } else {
+        cont();
+      }
+    };
+
+    renderTask.promise.then(function () {
+      showCanvas();
+      renderCapability.resolve(undefined);
+    }, function (error) {
+      showCanvas();
+      renderCapability.reject(error);
+    });
+    return result;
+  }
+
+  paintOnSvg(wrapper) {
+    let cancelled = false;
+
+    const ensureNotCancelled = () => {
+      if (cancelled) {
+        throw new _pdf.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
+      }
+    };
+
+    const pdfPage = this.pdfPage;
+    const actualSizeViewport = this.viewport.clone({
+      scale: _ui_utils.CSS_UNITS
+    });
+    const promise = pdfPage.getOperatorList().then(opList => {
+      ensureNotCancelled();
+      const svgGfx = new _pdf.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
+      return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
+        ensureNotCancelled();
+        this.svg = svg;
+        this.paintedViewportMap.set(svg, actualSizeViewport);
+        svg.style.width = wrapper.style.width;
+        svg.style.height = wrapper.style.height;
+        this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+        wrapper.appendChild(svg);
+      });
+    });
+    return {
+      promise,
+
+      onRenderContinue(cont) {
+        cont();
+      },
+
+      cancel() {
+        cancelled = true;
+      }
+
+    };
+  }
+
+  setPageLabel(label) {
+    this.pageLabel = typeof label === "string" ? label : null;
+
+    if (this.pageLabel !== null) {
+      this.div.setAttribute("data-page-label", this.pageLabel);
+    } else {
+      this.div.removeAttribute("data-page-label");
+    }
+  }
+
+}
+
+exports.PDFPageView = PDFPageView;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_presentation_mode.js b/node_modules/pdfjs-dist/lib/web/pdf_presentation_mode.js
new file mode 100644
index 00000000..306ecd74
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_presentation_mode.js
@@ -0,0 +1,424 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPresentationMode = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+const DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
+const DELAY_BEFORE_HIDING_CONTROLS = 3000;
+const ACTIVE_SELECTOR = "pdfPresentationMode";
+const CONTROLS_SELECTOR = "pdfPresentationModeControls";
+const MOUSE_SCROLL_COOLDOWN_TIME = 50;
+const PAGE_SWITCH_THRESHOLD = 0.1;
+const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
+const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
+
+class PDFPresentationMode {
+  constructor({
+    container,
+    pdfViewer,
+    eventBus,
+    contextMenuItems = null
+  }) {
+    this.container = container;
+    this.pdfViewer = pdfViewer;
+    this.eventBus = eventBus;
+    this.active = false;
+    this.args = null;
+    this.contextMenuOpen = false;
+    this.mouseScrollTimeStamp = 0;
+    this.mouseScrollDelta = 0;
+    this.touchSwipeState = null;
+
+    if (contextMenuItems) {
+      contextMenuItems.contextFirstPage.addEventListener("click", () => {
+        this.contextMenuOpen = false;
+        this.eventBus.dispatch("firstpage", {
+          source: this
+        });
+      });
+      contextMenuItems.contextLastPage.addEventListener("click", () => {
+        this.contextMenuOpen = false;
+        this.eventBus.dispatch("lastpage", {
+          source: this
+        });
+      });
+      contextMenuItems.contextPageRotateCw.addEventListener("click", () => {
+        this.contextMenuOpen = false;
+        this.eventBus.dispatch("rotatecw", {
+          source: this
+        });
+      });
+      contextMenuItems.contextPageRotateCcw.addEventListener("click", () => {
+        this.contextMenuOpen = false;
+        this.eventBus.dispatch("rotateccw", {
+          source: this
+        });
+      });
+    }
+  }
+
+  request() {
+    if (this.switchInProgress || this.active || !this.pdfViewer.pagesCount) {
+      return false;
+    }
+
+    this._addFullscreenChangeListeners();
+
+    this._setSwitchInProgress();
+
+    this._notifyStateChange();
+
+    if (this.container.requestFullscreen) {
+      this.container.requestFullscreen();
+    } else if (this.container.mozRequestFullScreen) {
+      this.container.mozRequestFullScreen();
+    } else if (this.container.webkitRequestFullscreen) {
+      this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
+    } else if (this.container.msRequestFullscreen) {
+      this.container.msRequestFullscreen();
+    } else {
+      return false;
+    }
+
+    this.args = {
+      page: this.pdfViewer.currentPageNumber,
+      previousScale: this.pdfViewer.currentScaleValue
+    };
+    return true;
+  }
+
+  _mouseWheel(evt) {
+    if (!this.active) {
+      return;
+    }
+
+    evt.preventDefault();
+    const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
+    const currentTime = new Date().getTime();
+    const storedTime = this.mouseScrollTimeStamp;
+
+    if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
+      return;
+    }
+
+    if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
+      this._resetMouseScrollState();
+    }
+
+    this.mouseScrollDelta += delta;
+
+    if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
+      const totalDelta = this.mouseScrollDelta;
+
+      this._resetMouseScrollState();
+
+      const success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
+
+      if (success) {
+        this.mouseScrollTimeStamp = currentTime;
+      }
+    }
+  }
+
+  get isFullscreen() {
+    return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
+  }
+
+  _goToPreviousPage() {
+    const page = this.pdfViewer.currentPageNumber;
+
+    if (page <= 1) {
+      return false;
+    }
+
+    this.pdfViewer.currentPageNumber = page - 1;
+    return true;
+  }
+
+  _goToNextPage() {
+    const page = this.pdfViewer.currentPageNumber;
+
+    if (page >= this.pdfViewer.pagesCount) {
+      return false;
+    }
+
+    this.pdfViewer.currentPageNumber = page + 1;
+    return true;
+  }
+
+  _notifyStateChange() {
+    this.eventBus.dispatch("presentationmodechanged", {
+      source: this,
+      active: this.active,
+      switchInProgress: !!this.switchInProgress
+    });
+  }
+
+  _setSwitchInProgress() {
+    if (this.switchInProgress) {
+      clearTimeout(this.switchInProgress);
+    }
+
+    this.switchInProgress = setTimeout(() => {
+      this._removeFullscreenChangeListeners();
+
+      delete this.switchInProgress;
+
+      this._notifyStateChange();
+    }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
+  }
+
+  _resetSwitchInProgress() {
+    if (this.switchInProgress) {
+      clearTimeout(this.switchInProgress);
+      delete this.switchInProgress;
+    }
+  }
+
+  _enter() {
+    this.active = true;
+
+    this._resetSwitchInProgress();
+
+    this._notifyStateChange();
+
+    this.container.classList.add(ACTIVE_SELECTOR);
+    setTimeout(() => {
+      this.pdfViewer.currentPageNumber = this.args.page;
+      this.pdfViewer.currentScaleValue = "page-fit";
+    }, 0);
+
+    this._addWindowListeners();
+
+    this._showControls();
+
+    this.contextMenuOpen = false;
+    this.container.setAttribute("contextmenu", "viewerContextMenu");
+    window.getSelection().removeAllRanges();
+  }
+
+  _exit() {
+    const page = this.pdfViewer.currentPageNumber;
+    this.container.classList.remove(ACTIVE_SELECTOR);
+    setTimeout(() => {
+      this.active = false;
+
+      this._removeFullscreenChangeListeners();
+
+      this._notifyStateChange();
+
+      this.pdfViewer.currentScaleValue = this.args.previousScale;
+      this.pdfViewer.currentPageNumber = page;
+      this.args = null;
+    }, 0);
+
+    this._removeWindowListeners();
+
+    this._hideControls();
+
+    this._resetMouseScrollState();
+
+    this.container.removeAttribute("contextmenu");
+    this.contextMenuOpen = false;
+  }
+
+  _mouseDown(evt) {
+    if (this.contextMenuOpen) {
+      this.contextMenuOpen = false;
+      evt.preventDefault();
+      return;
+    }
+
+    if (evt.button === 0) {
+      const isInternalLink = evt.target.href && evt.target.classList.contains("internalLink");
+
+      if (!isInternalLink) {
+        evt.preventDefault();
+
+        if (evt.shiftKey) {
+          this._goToPreviousPage();
+        } else {
+          this._goToNextPage();
+        }
+      }
+    }
+  }
+
+  _contextMenu() {
+    this.contextMenuOpen = true;
+  }
+
+  _showControls() {
+    if (this.controlsTimeout) {
+      clearTimeout(this.controlsTimeout);
+    } else {
+      this.container.classList.add(CONTROLS_SELECTOR);
+    }
+
+    this.controlsTimeout = setTimeout(() => {
+      this.container.classList.remove(CONTROLS_SELECTOR);
+      delete this.controlsTimeout;
+    }, DELAY_BEFORE_HIDING_CONTROLS);
+  }
+
+  _hideControls() {
+    if (!this.controlsTimeout) {
+      return;
+    }
+
+    clearTimeout(this.controlsTimeout);
+    this.container.classList.remove(CONTROLS_SELECTOR);
+    delete this.controlsTimeout;
+  }
+
+  _resetMouseScrollState() {
+    this.mouseScrollTimeStamp = 0;
+    this.mouseScrollDelta = 0;
+  }
+
+  _touchSwipe(evt) {
+    if (!this.active) {
+      return;
+    }
+
+    if (evt.touches.length > 1) {
+      this.touchSwipeState = null;
+      return;
+    }
+
+    switch (evt.type) {
+      case "touchstart":
+        this.touchSwipeState = {
+          startX: evt.touches[0].pageX,
+          startY: evt.touches[0].pageY,
+          endX: evt.touches[0].pageX,
+          endY: evt.touches[0].pageY
+        };
+        break;
+
+      case "touchmove":
+        if (this.touchSwipeState === null) {
+          return;
+        }
+
+        this.touchSwipeState.endX = evt.touches[0].pageX;
+        this.touchSwipeState.endY = evt.touches[0].pageY;
+        evt.preventDefault();
+        break;
+
+      case "touchend":
+        if (this.touchSwipeState === null) {
+          return;
+        }
+
+        let delta = 0;
+        const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
+        const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
+        const absAngle = Math.abs(Math.atan2(dy, dx));
+
+        if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
+          delta = dx;
+        } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
+          delta = dy;
+        }
+
+        if (delta > 0) {
+          this._goToPreviousPage();
+        } else if (delta < 0) {
+          this._goToNextPage();
+        }
+
+        break;
+    }
+  }
+
+  _addWindowListeners() {
+    this.showControlsBind = this._showControls.bind(this);
+    this.mouseDownBind = this._mouseDown.bind(this);
+    this.mouseWheelBind = this._mouseWheel.bind(this);
+    this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
+    this.contextMenuBind = this._contextMenu.bind(this);
+    this.touchSwipeBind = this._touchSwipe.bind(this);
+    window.addEventListener("mousemove", this.showControlsBind);
+    window.addEventListener("mousedown", this.mouseDownBind);
+    window.addEventListener("wheel", this.mouseWheelBind, {
+      passive: false
+    });
+    window.addEventListener("keydown", this.resetMouseScrollStateBind);
+    window.addEventListener("contextmenu", this.contextMenuBind);
+    window.addEventListener("touchstart", this.touchSwipeBind);
+    window.addEventListener("touchmove", this.touchSwipeBind);
+    window.addEventListener("touchend", this.touchSwipeBind);
+  }
+
+  _removeWindowListeners() {
+    window.removeEventListener("mousemove", this.showControlsBind);
+    window.removeEventListener("mousedown", this.mouseDownBind);
+    window.removeEventListener("wheel", this.mouseWheelBind, {
+      passive: false
+    });
+    window.removeEventListener("keydown", this.resetMouseScrollStateBind);
+    window.removeEventListener("contextmenu", this.contextMenuBind);
+    window.removeEventListener("touchstart", this.touchSwipeBind);
+    window.removeEventListener("touchmove", this.touchSwipeBind);
+    window.removeEventListener("touchend", this.touchSwipeBind);
+    delete this.showControlsBind;
+    delete this.mouseDownBind;
+    delete this.mouseWheelBind;
+    delete this.resetMouseScrollStateBind;
+    delete this.contextMenuBind;
+    delete this.touchSwipeBind;
+  }
+
+  _fullscreenChange() {
+    if (this.isFullscreen) {
+      this._enter();
+    } else {
+      this._exit();
+    }
+  }
+
+  _addFullscreenChangeListeners() {
+    this.fullscreenChangeBind = this._fullscreenChange.bind(this);
+    window.addEventListener("fullscreenchange", this.fullscreenChangeBind);
+    window.addEventListener("mozfullscreenchange", this.fullscreenChangeBind);
+    window.addEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
+    window.addEventListener("MSFullscreenChange", this.fullscreenChangeBind);
+  }
+
+  _removeFullscreenChangeListeners() {
+    window.removeEventListener("fullscreenchange", this.fullscreenChangeBind);
+    window.removeEventListener("mozfullscreenchange", this.fullscreenChangeBind);
+    window.removeEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
+    window.removeEventListener("MSFullscreenChange", this.fullscreenChangeBind);
+    delete this.fullscreenChangeBind;
+  }
+
+}
+
+exports.PDFPresentationMode = PDFPresentationMode;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_print_service.js b/node_modules/pdfjs-dist/lib/web/pdf_print_service.js
new file mode 100644
index 00000000..4c44fa76
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_print_service.js
@@ -0,0 +1,316 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPrintService = PDFPrintService;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _app = require("./app.js");
+
+var _viewer_compatibility = require("./viewer_compatibility.js");
+
+let activeService = null;
+let overlayManager = null;
+
+function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise) {
+  const scratchCanvas = activeService.scratchCanvas;
+  const PRINT_UNITS = printResolution / 72.0;
+  scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
+  scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
+  const width = Math.floor(size.width * _ui_utils.CSS_UNITS) + "px";
+  const height = Math.floor(size.height * _ui_utils.CSS_UNITS) + "px";
+  const ctx = scratchCanvas.getContext("2d");
+  ctx.save();
+  ctx.fillStyle = "rgb(255, 255, 255)";
+  ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
+  ctx.restore();
+  return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
+    const renderContext = {
+      canvasContext: ctx,
+      transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
+      viewport: pdfPage.getViewport({
+        scale: 1,
+        rotation: size.rotation
+      }),
+      intent: "print",
+      annotationStorage: pdfDocument.annotationStorage,
+      optionalContentConfigPromise
+    };
+    return pdfPage.render(renderContext).promise;
+  }).then(function () {
+    return {
+      width,
+      height
+    };
+  });
+}
+
+function PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, l10n) {
+  this.pdfDocument = pdfDocument;
+  this.pagesOverview = pagesOverview;
+  this.printContainer = printContainer;
+  this._printResolution = printResolution || 150;
+  this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig();
+  this.l10n = l10n || _ui_utils.NullL10n;
+  this.currentPage = -1;
+  this.scratchCanvas = document.createElement("canvas");
+}
+
+PDFPrintService.prototype = {
+  layout() {
+    this.throwIfInactive();
+    const body = document.querySelector("body");
+    body.setAttribute("data-pdfjsprinting", true);
+    const hasEqualPageSizes = this.pagesOverview.every(function (size) {
+      return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
+    }, this);
+
+    if (!hasEqualPageSizes) {
+      console.warn("Not all pages have the same size. The printed " + "result may be incorrect!");
+    }
+
+    this.pageStyleSheet = document.createElement("style");
+    const pageSize = this.pagesOverview[0];
+    this.pageStyleSheet.textContent = "@supports ((size:A4) and (size:1pt 1pt)) {" + "@page { size: " + pageSize.width + "pt " + pageSize.height + "pt;}" + "}";
+    body.appendChild(this.pageStyleSheet);
+  },
+
+  destroy() {
+    if (activeService !== this) {
+      return;
+    }
+
+    this.printContainer.textContent = "";
+    const body = document.querySelector("body");
+    body.removeAttribute("data-pdfjsprinting");
+
+    if (this.pageStyleSheet) {
+      this.pageStyleSheet.remove();
+      this.pageStyleSheet = null;
+    }
+
+    this.scratchCanvas.width = this.scratchCanvas.height = 0;
+    this.scratchCanvas = null;
+    activeService = null;
+    ensureOverlay().then(function () {
+      if (overlayManager.active !== "printServiceOverlay") {
+        return;
+      }
+
+      overlayManager.close("printServiceOverlay");
+    });
+  },
+
+  renderPages() {
+    const pageCount = this.pagesOverview.length;
+
+    const renderNextPage = (resolve, reject) => {
+      this.throwIfInactive();
+
+      if (++this.currentPage >= pageCount) {
+        renderProgress(pageCount, pageCount, this.l10n);
+        resolve();
+        return;
+      }
+
+      const index = this.currentPage;
+      renderProgress(index, pageCount, this.l10n);
+      renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise).then(this.useRenderedPage.bind(this)).then(function () {
+        renderNextPage(resolve, reject);
+      }, reject);
+    };
+
+    return new Promise(renderNextPage);
+  },
+
+  useRenderedPage(printItem) {
+    this.throwIfInactive();
+    const img = document.createElement("img");
+    img.style.width = printItem.width;
+    img.style.height = printItem.height;
+    const scratchCanvas = this.scratchCanvas;
+
+    if ("toBlob" in scratchCanvas && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+      scratchCanvas.toBlob(function (blob) {
+        img.src = URL.createObjectURL(blob);
+      });
+    } else {
+      img.src = scratchCanvas.toDataURL();
+    }
+
+    const wrapper = document.createElement("div");
+    wrapper.appendChild(img);
+    this.printContainer.appendChild(wrapper);
+    return new Promise(function (resolve, reject) {
+      img.onload = resolve;
+      img.onerror = reject;
+    });
+  },
+
+  performPrint() {
+    this.throwIfInactive();
+    return new Promise(resolve => {
+      setTimeout(() => {
+        if (!this.active) {
+          resolve();
+          return;
+        }
+
+        print.call(window);
+        setTimeout(resolve, 20);
+      }, 0);
+    });
+  },
+
+  get active() {
+    return this === activeService;
+  },
+
+  throwIfInactive() {
+    if (!this.active) {
+      throw new Error("This print request was cancelled or completed.");
+    }
+  }
+
+};
+const print = window.print;
+
+window.print = function () {
+  if (activeService) {
+    console.warn("Ignored window.print() because of a pending print job.");
+    return;
+  }
+
+  ensureOverlay().then(function () {
+    if (activeService) {
+      overlayManager.open("printServiceOverlay");
+    }
+  });
+
+  try {
+    dispatchEvent("beforeprint");
+  } finally {
+    if (!activeService) {
+      console.error("Expected print service to be initialized.");
+      ensureOverlay().then(function () {
+        if (overlayManager.active === "printServiceOverlay") {
+          overlayManager.close("printServiceOverlay");
+        }
+      });
+      return;
+    }
+
+    const activeServiceOnEntry = activeService;
+    activeService.renderPages().then(function () {
+      return activeServiceOnEntry.performPrint();
+    }).catch(function () {}).then(function () {
+      if (activeServiceOnEntry.active) {
+        abort();
+      }
+    });
+  }
+};
+
+function dispatchEvent(eventType) {
+  const event = document.createEvent("CustomEvent");
+  event.initCustomEvent(eventType, false, false, "custom");
+  window.dispatchEvent(event);
+}
+
+function abort() {
+  if (activeService) {
+    activeService.destroy();
+    dispatchEvent("afterprint");
+  }
+}
+
+function renderProgress(index, total, l10n) {
+  const progressContainer = document.getElementById("printServiceOverlay");
+  const progress = Math.round(100 * index / total);
+  const progressBar = progressContainer.querySelector("progress");
+  const progressPerc = progressContainer.querySelector(".relative-progress");
+  progressBar.value = progress;
+  l10n.get("print_progress_percent", {
+    progress
+  }, progress + "%").then(msg => {
+    progressPerc.textContent = msg;
+  });
+}
+
+window.addEventListener("keydown", function (event) {
+  if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
+    window.print();
+    event.preventDefault();
+
+    if (event.stopImmediatePropagation) {
+      event.stopImmediatePropagation();
+    } else {
+      event.stopPropagation();
+    }
+  }
+}, true);
+
+if ("onbeforeprint" in window) {
+  const stopPropagationIfNeeded = function (event) {
+    if (event.detail !== "custom" && event.stopImmediatePropagation) {
+      event.stopImmediatePropagation();
+    }
+  };
+
+  window.addEventListener("beforeprint", stopPropagationIfNeeded);
+  window.addEventListener("afterprint", stopPropagationIfNeeded);
+}
+
+let overlayPromise;
+
+function ensureOverlay() {
+  if (!overlayPromise) {
+    overlayManager = _app.PDFViewerApplication.overlayManager;
+
+    if (!overlayManager) {
+      throw new Error("The overlay manager has not yet been initialized.");
+    }
+
+    overlayPromise = overlayManager.register("printServiceOverlay", document.getElementById("printServiceOverlay"), abort, true);
+    document.getElementById("printCancel").onclick = abort;
+  }
+
+  return overlayPromise;
+}
+
+_app.PDFPrintServiceFactory.instance = {
+  supportsPrinting: true,
+
+  createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n) {
+    if (activeService) {
+      throw new Error("The print service is created and active.");
+    }
+
+    activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n);
+    return activeService;
+  }
+
+};
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_rendering_queue.js b/node_modules/pdfjs-dist/lib/web/pdf_rendering_queue.js
new file mode 100644
index 00000000..3487e03b
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_rendering_queue.js
@@ -0,0 +1,151 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFRenderingQueue = exports.RenderingStates = void 0;
+const CLEANUP_TIMEOUT = 30000;
+const RenderingStates = {
+  INITIAL: 0,
+  RUNNING: 1,
+  PAUSED: 2,
+  FINISHED: 3
+};
+exports.RenderingStates = RenderingStates;
+
+class PDFRenderingQueue {
+  constructor() {
+    this.pdfViewer = null;
+    this.pdfThumbnailViewer = null;
+    this.onIdle = null;
+    this.highestPriorityPage = null;
+    this.idleTimeout = null;
+    this.printing = false;
+    this.isThumbnailViewEnabled = false;
+  }
+
+  setViewer(pdfViewer) {
+    this.pdfViewer = pdfViewer;
+  }
+
+  setThumbnailViewer(pdfThumbnailViewer) {
+    this.pdfThumbnailViewer = pdfThumbnailViewer;
+  }
+
+  isHighestPriority(view) {
+    return this.highestPriorityPage === view.renderingId;
+  }
+
+  renderHighestPriority(currentlyVisiblePages) {
+    if (this.idleTimeout) {
+      clearTimeout(this.idleTimeout);
+      this.idleTimeout = null;
+    }
+
+    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+      return;
+    }
+
+    if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
+      if (this.pdfThumbnailViewer.forceRendering()) {
+        return;
+      }
+    }
+
+    if (this.printing) {
+      return;
+    }
+
+    if (this.onIdle) {
+      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+    }
+  }
+
+  getHighestPriority(visible, views, scrolledDown) {
+    const visibleViews = visible.views;
+    const numVisible = visibleViews.length;
+
+    if (numVisible === 0) {
+      return null;
+    }
+
+    for (let i = 0; i < numVisible; ++i) {
+      const view = visibleViews[i].view;
+
+      if (!this.isViewFinished(view)) {
+        return view;
+      }
+    }
+
+    if (scrolledDown) {
+      const nextPageIndex = visible.last.id;
+
+      if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
+        return views[nextPageIndex];
+      }
+    } else {
+      const previousPageIndex = visible.first.id - 2;
+
+      if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
+        return views[previousPageIndex];
+      }
+    }
+
+    return null;
+  }
+
+  isViewFinished(view) {
+    return view.renderingState === RenderingStates.FINISHED;
+  }
+
+  renderView(view) {
+    switch (view.renderingState) {
+      case RenderingStates.FINISHED:
+        return false;
+
+      case RenderingStates.PAUSED:
+        this.highestPriorityPage = view.renderingId;
+        view.resume();
+        break;
+
+      case RenderingStates.RUNNING:
+        this.highestPriorityPage = view.renderingId;
+        break;
+
+      case RenderingStates.INITIAL:
+        this.highestPriorityPage = view.renderingId;
+        view.draw().finally(() => {
+          this.renderHighestPriority();
+        }).catch(reason => {
+          console.error(`renderView: "${reason}"`);
+        });
+        break;
+    }
+
+    return true;
+  }
+
+}
+
+exports.PDFRenderingQueue = PDFRenderingQueue;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_sidebar.js b/node_modules/pdfjs-dist/lib/web/pdf_sidebar.js
new file mode 100644
index 00000000..446fa5f7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_sidebar.js
@@ -0,0 +1,418 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFSidebar = exports.SidebarView = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
+
+const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
+const SidebarView = {
+  UNKNOWN: -1,
+  NONE: 0,
+  THUMBS: 1,
+  OUTLINE: 2,
+  ATTACHMENTS: 3,
+  LAYERS: 4
+};
+exports.SidebarView = SidebarView;
+
+class PDFSidebar {
+  constructor({
+    elements,
+    pdfViewer,
+    pdfThumbnailViewer,
+    eventBus,
+    l10n = _ui_utils.NullL10n,
+    disableNotification = false
+  }) {
+    this.isOpen = false;
+    this.active = SidebarView.THUMBS;
+    this.isInitialViewSet = false;
+    this.onToggled = null;
+    this.pdfViewer = pdfViewer;
+    this.pdfThumbnailViewer = pdfThumbnailViewer;
+    this.outerContainer = elements.outerContainer;
+    this.viewerContainer = elements.viewerContainer;
+    this.toggleButton = elements.toggleButton;
+    this.thumbnailButton = elements.thumbnailButton;
+    this.outlineButton = elements.outlineButton;
+    this.attachmentsButton = elements.attachmentsButton;
+    this.layersButton = elements.layersButton;
+    this.thumbnailView = elements.thumbnailView;
+    this.outlineView = elements.outlineView;
+    this.attachmentsView = elements.attachmentsView;
+    this.layersView = elements.layersView;
+    this.eventBus = eventBus;
+    this.l10n = l10n;
+    this._disableNotification = disableNotification;
+
+    this._addEventListeners();
+  }
+
+  reset() {
+    this.isInitialViewSet = false;
+
+    this._hideUINotification(null);
+
+    this.switchView(SidebarView.THUMBS);
+    this.outlineButton.disabled = false;
+    this.attachmentsButton.disabled = false;
+    this.layersButton.disabled = false;
+  }
+
+  get visibleView() {
+    return this.isOpen ? this.active : SidebarView.NONE;
+  }
+
+  get isThumbnailViewVisible() {
+    return this.isOpen && this.active === SidebarView.THUMBS;
+  }
+
+  get isOutlineViewVisible() {
+    return this.isOpen && this.active === SidebarView.OUTLINE;
+  }
+
+  get isAttachmentsViewVisible() {
+    return this.isOpen && this.active === SidebarView.ATTACHMENTS;
+  }
+
+  get isLayersViewVisible() {
+    return this.isOpen && this.active === SidebarView.LAYERS;
+  }
+
+  setInitialView(view = SidebarView.NONE) {
+    if (this.isInitialViewSet) {
+      return;
+    }
+
+    this.isInitialViewSet = true;
+
+    if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
+      this._dispatchEvent();
+
+      return;
+    }
+
+    if (!this._switchView(view, true)) {
+      this._dispatchEvent();
+    }
+  }
+
+  switchView(view, forceOpen = false) {
+    this._switchView(view, forceOpen);
+  }
+
+  _switchView(view, forceOpen = false) {
+    const isViewChanged = view !== this.active;
+    let shouldForceRendering = false;
+
+    switch (view) {
+      case SidebarView.NONE:
+        if (this.isOpen) {
+          this.close();
+          return true;
+        }
+
+        return false;
+
+      case SidebarView.THUMBS:
+        if (this.isOpen && isViewChanged) {
+          shouldForceRendering = true;
+        }
+
+        break;
+
+      case SidebarView.OUTLINE:
+        if (this.outlineButton.disabled) {
+          return false;
+        }
+
+        break;
+
+      case SidebarView.ATTACHMENTS:
+        if (this.attachmentsButton.disabled) {
+          return false;
+        }
+
+        break;
+
+      case SidebarView.LAYERS:
+        if (this.layersButton.disabled) {
+          return false;
+        }
+
+        break;
+
+      default:
+        console.error(`PDFSidebar._switchView: "${view}" is not a valid view.`);
+        return false;
+    }
+
+    this.active = view;
+    this.thumbnailButton.classList.toggle("toggled", view === SidebarView.THUMBS);
+    this.outlineButton.classList.toggle("toggled", view === SidebarView.OUTLINE);
+    this.attachmentsButton.classList.toggle("toggled", view === SidebarView.ATTACHMENTS);
+    this.layersButton.classList.toggle("toggled", view === SidebarView.LAYERS);
+    this.thumbnailView.classList.toggle("hidden", view !== SidebarView.THUMBS);
+    this.outlineView.classList.toggle("hidden", view !== SidebarView.OUTLINE);
+    this.attachmentsView.classList.toggle("hidden", view !== SidebarView.ATTACHMENTS);
+    this.layersView.classList.toggle("hidden", view !== SidebarView.LAYERS);
+
+    if (forceOpen && !this.isOpen) {
+      this.open();
+      return true;
+    }
+
+    if (shouldForceRendering) {
+      this._updateThumbnailViewer();
+
+      this._forceRendering();
+    }
+
+    if (isViewChanged) {
+      this._dispatchEvent();
+    }
+
+    this._hideUINotification(this.active);
+
+    return isViewChanged;
+  }
+
+  open() {
+    if (this.isOpen) {
+      return;
+    }
+
+    this.isOpen = true;
+    this.toggleButton.classList.add("toggled");
+    this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
+
+    if (this.active === SidebarView.THUMBS) {
+      this._updateThumbnailViewer();
+    }
+
+    this._forceRendering();
+
+    this._dispatchEvent();
+
+    this._hideUINotification(this.active);
+  }
+
+  close() {
+    if (!this.isOpen) {
+      return;
+    }
+
+    this.isOpen = false;
+    this.toggleButton.classList.remove("toggled");
+    this.outerContainer.classList.add("sidebarMoving");
+    this.outerContainer.classList.remove("sidebarOpen");
+
+    this._forceRendering();
+
+    this._dispatchEvent();
+  }
+
+  toggle() {
+    if (this.isOpen) {
+      this.close();
+    } else {
+      this.open();
+    }
+  }
+
+  _dispatchEvent() {
+    this.eventBus.dispatch("sidebarviewchanged", {
+      source: this,
+      view: this.visibleView
+    });
+  }
+
+  _forceRendering() {
+    if (this.onToggled) {
+      this.onToggled();
+    } else {
+      this.pdfViewer.forceRendering();
+      this.pdfThumbnailViewer.forceRendering();
+    }
+  }
+
+  _updateThumbnailViewer() {
+    const {
+      pdfViewer,
+      pdfThumbnailViewer
+    } = this;
+    const pagesCount = pdfViewer.pagesCount;
+
+    for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
+      const pageView = pdfViewer.getPageView(pageIndex);
+
+      if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
+        const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
+        thumbnailView.setImage(pageView);
+      }
+    }
+
+    pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
+  }
+
+  _showUINotification(view) {
+    if (this._disableNotification) {
+      return;
+    }
+
+    this.l10n.get("toggle_sidebar_notification2.title", null, "Toggle Sidebar (document contains outline/attachments/layers)").then(msg => {
+      this.toggleButton.title = msg;
+    });
+
+    if (!this.isOpen) {
+      this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
+    } else if (view === this.active) {
+      return;
+    }
+
+    switch (view) {
+      case SidebarView.OUTLINE:
+        this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
+        break;
+
+      case SidebarView.ATTACHMENTS:
+        this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
+        break;
+
+      case SidebarView.LAYERS:
+        this.layersButton.classList.add(UI_NOTIFICATION_CLASS);
+        break;
+    }
+  }
+
+  _hideUINotification(view) {
+    if (this._disableNotification) {
+      return;
+    }
+
+    const removeNotification = sidebarView => {
+      switch (sidebarView) {
+        case SidebarView.OUTLINE:
+          this.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);
+          break;
+
+        case SidebarView.ATTACHMENTS:
+          this.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);
+          break;
+
+        case SidebarView.LAYERS:
+          this.layersButton.classList.remove(UI_NOTIFICATION_CLASS);
+          break;
+      }
+    };
+
+    if (!this.isOpen && view !== null) {
+      return;
+    }
+
+    this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
+
+    if (view !== null) {
+      removeNotification(view);
+      return;
+    }
+
+    for (view in SidebarView) {
+      removeNotification(SidebarView[view]);
+    }
+
+    this.l10n.get("toggle_sidebar.title", null, "Toggle Sidebar").then(msg => {
+      this.toggleButton.title = msg;
+    });
+  }
+
+  _addEventListeners() {
+    this.viewerContainer.addEventListener("transitionend", evt => {
+      if (evt.target === this.viewerContainer) {
+        this.outerContainer.classList.remove("sidebarMoving");
+      }
+    });
+    this.toggleButton.addEventListener("click", () => {
+      this.toggle();
+    });
+    this.thumbnailButton.addEventListener("click", () => {
+      this.switchView(SidebarView.THUMBS);
+    });
+    this.outlineButton.addEventListener("click", () => {
+      this.switchView(SidebarView.OUTLINE);
+    });
+    this.outlineButton.addEventListener("dblclick", () => {
+      this.eventBus.dispatch("toggleoutlinetree", {
+        source: this
+      });
+    });
+    this.attachmentsButton.addEventListener("click", () => {
+      this.switchView(SidebarView.ATTACHMENTS);
+    });
+    this.layersButton.addEventListener("click", () => {
+      this.switchView(SidebarView.LAYERS);
+    });
+    this.layersButton.addEventListener("dblclick", () => {
+      this.eventBus.dispatch("resetlayers", {
+        source: this
+      });
+    });
+
+    const onTreeLoaded = (count, button, view) => {
+      button.disabled = !count;
+
+      if (count) {
+        this._showUINotification(view);
+      } else if (this.active === view) {
+        this.switchView(SidebarView.THUMBS);
+      }
+    };
+
+    this.eventBus._on("outlineloaded", evt => {
+      onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE);
+    });
+
+    this.eventBus._on("attachmentsloaded", evt => {
+      onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS);
+    });
+
+    this.eventBus._on("layersloaded", evt => {
+      onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS);
+    });
+
+    this.eventBus._on("presentationmodechanged", evt => {
+      if (!evt.active && !evt.switchInProgress && this.isThumbnailViewVisible) {
+        this._updateThumbnailViewer();
+      }
+    });
+  }
+
+}
+
+exports.PDFSidebar = PDFSidebar;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_sidebar_resizer.js b/node_modules/pdfjs-dist/lib/web/pdf_sidebar_resizer.js
new file mode 100644
index 00000000..dff48287
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_sidebar_resizer.js
@@ -0,0 +1,164 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFSidebarResizer = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+const SIDEBAR_WIDTH_VAR = "--sidebar-width";
+const SIDEBAR_MIN_WIDTH = 200;
+const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
+
+class PDFSidebarResizer {
+  constructor(options, eventBus, l10n = _ui_utils.NullL10n) {
+    this.enabled = false;
+    this.isRTL = false;
+    this.sidebarOpen = false;
+    this.doc = document.documentElement;
+    this._width = null;
+    this._outerContainerWidth = null;
+    this._boundEvents = Object.create(null);
+    this.outerContainer = options.outerContainer;
+    this.resizer = options.resizer;
+    this.eventBus = eventBus;
+    this.l10n = l10n;
+
+    if (typeof CSS === "undefined" || typeof CSS.supports !== "function" || !CSS.supports(SIDEBAR_WIDTH_VAR, `calc(-1 * ${SIDEBAR_MIN_WIDTH}px)`)) {
+      console.warn("PDFSidebarResizer: " + "The browser does not support resizing of the sidebar.");
+      return;
+    }
+
+    this.enabled = true;
+    this.resizer.classList.remove("hidden");
+    this.l10n.getDirection().then(dir => {
+      this.isRTL = dir === "rtl";
+    });
+
+    this._addEventListeners();
+  }
+
+  get outerContainerWidth() {
+    if (!this._outerContainerWidth) {
+      this._outerContainerWidth = this.outerContainer.clientWidth;
+    }
+
+    return this._outerContainerWidth;
+  }
+
+  _updateWidth(width = 0) {
+    if (!this.enabled) {
+      return false;
+    }
+
+    const newWidth = (0, _ui_utils.clamp)(width, SIDEBAR_MIN_WIDTH, Math.floor(this.outerContainerWidth / 2));
+
+    if (newWidth === this._width) {
+      return false;
+    }
+
+    this._width = newWidth;
+    this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, `${newWidth}px`);
+    return true;
+  }
+
+  _mouseMove(evt) {
+    let width = evt.clientX;
+
+    if (this.isRTL) {
+      width = this.outerContainerWidth - width;
+    }
+
+    this._updateWidth(width);
+  }
+
+  _mouseUp(evt) {
+    this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+    this.eventBus.dispatch("resize", {
+      source: this
+    });
+    const _boundEvents = this._boundEvents;
+    window.removeEventListener("mousemove", _boundEvents.mouseMove);
+    window.removeEventListener("mouseup", _boundEvents.mouseUp);
+  }
+
+  _addEventListeners() {
+    if (!this.enabled) {
+      return;
+    }
+
+    const _boundEvents = this._boundEvents;
+    _boundEvents.mouseMove = this._mouseMove.bind(this);
+    _boundEvents.mouseUp = this._mouseUp.bind(this);
+    this.resizer.addEventListener("mousedown", evt => {
+      if (evt.button !== 0) {
+        return;
+      }
+
+      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+      window.addEventListener("mousemove", _boundEvents.mouseMove);
+      window.addEventListener("mouseup", _boundEvents.mouseUp);
+    });
+
+    this.eventBus._on("sidebarviewchanged", evt => {
+      this.sidebarOpen = !!(evt && evt.view);
+    });
+
+    this.eventBus._on("resize", evt => {
+      if (!evt || evt.source !== window) {
+        return;
+      }
+
+      this._outerContainerWidth = null;
+
+      if (!this._width) {
+        return;
+      }
+
+      if (!this.sidebarOpen) {
+        this._updateWidth(this._width);
+
+        return;
+      }
+
+      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+
+      const updated = this._updateWidth(this._width);
+
+      Promise.resolve().then(() => {
+        this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+
+        if (updated) {
+          this.eventBus.dispatch("resize", {
+            source: this
+          });
+        }
+      });
+    });
+  }
+
+}
+
+exports.PDFSidebarResizer = PDFSidebarResizer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_single_page_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_single_page_viewer.js
new file mode 100644
index 00000000..cf4332d0
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_single_page_viewer.js
@@ -0,0 +1,137 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFSinglePageViewer = void 0;
+
+var _base_viewer = require("./base_viewer.js");
+
+var _pdf = require("../pdf");
+
+class PDFSinglePageViewer extends _base_viewer.BaseViewer {
+  constructor(options) {
+    super(options);
+
+    this.eventBus._on("pagesinit", evt => {
+      this._ensurePageViewVisible();
+    });
+  }
+
+  get _viewerElement() {
+    return (0, _pdf.shadow)(this, "_viewerElement", this._shadowViewer);
+  }
+
+  _resetView() {
+    super._resetView();
+
+    this._previousPageNumber = 1;
+    this._shadowViewer = document.createDocumentFragment();
+    this._updateScrollDown = null;
+  }
+
+  _ensurePageViewVisible() {
+    const pageView = this._pages[this._currentPageNumber - 1];
+    const previousPageView = this._pages[this._previousPageNumber - 1];
+    const viewerNodes = this.viewer.childNodes;
+
+    switch (viewerNodes.length) {
+      case 0:
+        this.viewer.appendChild(pageView.div);
+        break;
+
+      case 1:
+        if (viewerNodes[0] !== previousPageView.div) {
+          throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
+        }
+
+        if (pageView === previousPageView) {
+          break;
+        }
+
+        this._shadowViewer.appendChild(previousPageView.div);
+
+        this.viewer.appendChild(pageView.div);
+        this.container.scrollTop = 0;
+        break;
+
+      default:
+        throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
+    }
+
+    this._previousPageNumber = this._currentPageNumber;
+  }
+
+  _scrollUpdate() {
+    if (this._updateScrollDown) {
+      this._updateScrollDown();
+    }
+
+    super._scrollUpdate();
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    if (pageNumber) {
+      this._setCurrentPageNumber(pageNumber);
+    }
+
+    const scrolledDown = this._currentPageNumber >= this._previousPageNumber;
+
+    this._ensurePageViewVisible();
+
+    this.update();
+
+    super._scrollIntoView({
+      pageDiv,
+      pageSpot,
+      pageNumber
+    });
+
+    this._updateScrollDown = () => {
+      this.scroll.down = scrolledDown;
+      this._updateScrollDown = null;
+    };
+  }
+
+  _getVisiblePages() {
+    return this._getCurrentVisiblePage();
+  }
+
+  _updateHelper(visiblePages) {}
+
+  get _isScrollModeHorizontal() {
+    return (0, _pdf.shadow)(this, "_isScrollModeHorizontal", false);
+  }
+
+  _updateScrollMode() {}
+
+  _updateSpreadMode() {}
+
+}
+
+exports.PDFSinglePageViewer = PDFSinglePageViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_view.js b/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_view.js
new file mode 100644
index 00000000..006e18ef
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_view.js
@@ -0,0 +1,438 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFThumbnailView = void 0;
+
+var _pdf = require("../pdf");
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
+
+const MAX_NUM_SCALING_STEPS = 3;
+const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
+const THUMBNAIL_WIDTH = 98;
+
+const TempImageFactory = function TempImageFactoryClosure() {
+  let tempCanvasCache = null;
+  return {
+    getCanvas(width, height) {
+      let tempCanvas = tempCanvasCache;
+
+      if (!tempCanvas) {
+        tempCanvas = document.createElement("canvas");
+        tempCanvasCache = tempCanvas;
+      }
+
+      tempCanvas.width = width;
+      tempCanvas.height = height;
+      tempCanvas.mozOpaque = true;
+      const ctx = tempCanvas.getContext("2d", {
+        alpha: false
+      });
+      ctx.save();
+      ctx.fillStyle = "rgb(255, 255, 255)";
+      ctx.fillRect(0, 0, width, height);
+      ctx.restore();
+      return tempCanvas;
+    },
+
+    destroyCanvas() {
+      const tempCanvas = tempCanvasCache;
+
+      if (tempCanvas) {
+        tempCanvas.width = 0;
+        tempCanvas.height = 0;
+      }
+
+      tempCanvasCache = null;
+    }
+
+  };
+}();
+
+class PDFThumbnailView {
+  constructor({
+    container,
+    id,
+    defaultViewport,
+    optionalContentConfigPromise,
+    linkService,
+    renderingQueue,
+    checkSetImageDisabled,
+    disableCanvasToImageConversion = false,
+    l10n = _ui_utils.NullL10n
+  }) {
+    this.id = id;
+    this.renderingId = "thumbnail" + id;
+    this.pageLabel = null;
+    this.pdfPage = null;
+    this.rotation = 0;
+    this.viewport = defaultViewport;
+    this.pdfPageRotate = defaultViewport.rotation;
+    this._optionalContentConfigPromise = optionalContentConfigPromise || null;
+    this.linkService = linkService;
+    this.renderingQueue = renderingQueue;
+    this.renderTask = null;
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    this.resume = null;
+
+    this._checkSetImageDisabled = checkSetImageDisabled || function () {
+      return false;
+    };
+
+    this.disableCanvasToImageConversion = disableCanvasToImageConversion;
+    this.pageWidth = this.viewport.width;
+    this.pageHeight = this.viewport.height;
+    this.pageRatio = this.pageWidth / this.pageHeight;
+    this.canvasWidth = THUMBNAIL_WIDTH;
+    this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
+    this.scale = this.canvasWidth / this.pageWidth;
+    this.l10n = l10n;
+    const anchor = document.createElement("a");
+    anchor.href = linkService.getAnchorUrl("#page=" + id);
+
+    this._thumbPageTitle.then(msg => {
+      anchor.title = msg;
+    });
+
+    anchor.onclick = function () {
+      linkService.page = id;
+      return false;
+    };
+
+    this.anchor = anchor;
+    const div = document.createElement("div");
+    div.className = "thumbnail";
+    div.setAttribute("data-page-number", this.id);
+    this.div = div;
+    const ring = document.createElement("div");
+    ring.className = "thumbnailSelectionRing";
+    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
+    ring.style.width = this.canvasWidth + borderAdjustment + "px";
+    ring.style.height = this.canvasHeight + borderAdjustment + "px";
+    this.ring = ring;
+    div.appendChild(ring);
+    anchor.appendChild(div);
+    container.appendChild(anchor);
+  }
+
+  setPdfPage(pdfPage) {
+    this.pdfPage = pdfPage;
+    this.pdfPageRotate = pdfPage.rotate;
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = pdfPage.getViewport({
+      scale: 1,
+      rotation: totalRotation
+    });
+    this.reset();
+  }
+
+  reset() {
+    this.cancelRendering();
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    this.pageWidth = this.viewport.width;
+    this.pageHeight = this.viewport.height;
+    this.pageRatio = this.pageWidth / this.pageHeight;
+    this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
+    this.scale = this.canvasWidth / this.pageWidth;
+    this.div.removeAttribute("data-loaded");
+    const ring = this.ring;
+    const childNodes = ring.childNodes;
+
+    for (let i = childNodes.length - 1; i >= 0; i--) {
+      ring.removeChild(childNodes[i]);
+    }
+
+    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
+    ring.style.width = this.canvasWidth + borderAdjustment + "px";
+    ring.style.height = this.canvasHeight + borderAdjustment + "px";
+
+    if (this.canvas) {
+      this.canvas.width = 0;
+      this.canvas.height = 0;
+      delete this.canvas;
+    }
+
+    if (this.image) {
+      this.image.removeAttribute("src");
+      delete this.image;
+    }
+  }
+
+  update(rotation) {
+    if (typeof rotation !== "undefined") {
+      this.rotation = rotation;
+    }
+
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = this.viewport.clone({
+      scale: 1,
+      rotation: totalRotation
+    });
+    this.reset();
+  }
+
+  cancelRendering() {
+    if (this.renderTask) {
+      this.renderTask.cancel();
+      this.renderTask = null;
+    }
+
+    this.resume = null;
+  }
+
+  _getPageDrawContext(noCtxScale = false) {
+    const canvas = document.createElement("canvas");
+    this.canvas = canvas;
+    canvas.mozOpaque = true;
+    const ctx = canvas.getContext("2d", {
+      alpha: false
+    });
+    const outputScale = (0, _ui_utils.getOutputScale)(ctx);
+    canvas.width = this.canvasWidth * outputScale.sx | 0;
+    canvas.height = this.canvasHeight * outputScale.sy | 0;
+    canvas.style.width = this.canvasWidth + "px";
+    canvas.style.height = this.canvasHeight + "px";
+
+    if (!noCtxScale && outputScale.scaled) {
+      ctx.scale(outputScale.sx, outputScale.sy);
+    }
+
+    return ctx;
+  }
+
+  _convertCanvasToImage() {
+    if (!this.canvas) {
+      return;
+    }
+
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
+      return;
+    }
+
+    const className = "thumbnailImage";
+
+    if (this.disableCanvasToImageConversion) {
+      this.canvas.className = className;
+
+      this._thumbPageCanvas.then(msg => {
+        this.canvas.setAttribute("aria-label", msg);
+      });
+
+      this.div.setAttribute("data-loaded", true);
+      this.ring.appendChild(this.canvas);
+      return;
+    }
+
+    const image = document.createElement("img");
+    image.className = className;
+
+    this._thumbPageCanvas.then(msg => {
+      image.setAttribute("aria-label", msg);
+    });
+
+    image.style.width = this.canvasWidth + "px";
+    image.style.height = this.canvasHeight + "px";
+    image.src = this.canvas.toDataURL();
+    this.image = image;
+    this.div.setAttribute("data-loaded", true);
+    this.ring.appendChild(image);
+    this.canvas.width = 0;
+    this.canvas.height = 0;
+    delete this.canvas;
+  }
+
+  draw() {
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
+      console.error("Must be in new state before drawing");
+      return Promise.resolve(undefined);
+    }
+
+    const {
+      pdfPage
+    } = this;
+
+    if (!pdfPage) {
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+      return Promise.reject(new Error("pdfPage is not loaded"));
+    }
+
+    this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+    const renderCapability = (0, _pdf.createPromiseCapability)();
+
+    const finishRenderTask = error => {
+      if (renderTask === this.renderTask) {
+        this.renderTask = null;
+      }
+
+      if (error instanceof _pdf.RenderingCancelledException) {
+        renderCapability.resolve(undefined);
+        return;
+      }
+
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+      this._convertCanvasToImage();
+
+      if (!error) {
+        renderCapability.resolve(undefined);
+      } else {
+        renderCapability.reject(error);
+      }
+    };
+
+    const ctx = this._getPageDrawContext();
+
+    const drawViewport = this.viewport.clone({
+      scale: this.scale
+    });
+
+    const renderContinueCallback = cont => {
+      if (!this.renderingQueue.isHighestPriority(this)) {
+        this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
+
+        this.resume = () => {
+          this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+          cont();
+        };
+
+        return;
+      }
+
+      cont();
+    };
+
+    const renderContext = {
+      canvasContext: ctx,
+      viewport: drawViewport,
+      optionalContentConfigPromise: this._optionalContentConfigPromise
+    };
+    const renderTask = this.renderTask = pdfPage.render(renderContext);
+    renderTask.onContinue = renderContinueCallback;
+    renderTask.promise.then(function () {
+      finishRenderTask(null);
+    }, function (error) {
+      finishRenderTask(error);
+    });
+    return renderCapability.promise;
+  }
+
+  setImage(pageView) {
+    if (this._checkSetImageDisabled()) {
+      return;
+    }
+
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
+      return;
+    }
+
+    const img = pageView.canvas;
+
+    if (!img) {
+      return;
+    }
+
+    if (!this.pdfPage) {
+      this.setPdfPage(pageView.pdfPage);
+    }
+
+    this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+    const ctx = this._getPageDrawContext(true);
+
+    const canvas = ctx.canvas;
+
+    if (img.width <= 2 * canvas.width) {
+      ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
+
+      this._convertCanvasToImage();
+
+      return;
+    }
+
+    let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
+    let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
+    const reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
+    const reducedImageCtx = reducedImage.getContext("2d");
+
+    while (reducedWidth > img.width || reducedHeight > img.height) {
+      reducedWidth >>= 1;
+      reducedHeight >>= 1;
+    }
+
+    reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
+
+    while (reducedWidth > 2 * canvas.width) {
+      reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
+      reducedWidth >>= 1;
+      reducedHeight >>= 1;
+    }
+
+    ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
+
+    this._convertCanvasToImage();
+  }
+
+  get _thumbPageTitle() {
+    return this.l10n.get("thumb_page_title", {
+      page: this.pageLabel ?? this.id
+    }, "Page {{page}}");
+  }
+
+  get _thumbPageCanvas() {
+    return this.l10n.get("thumb_page_canvas", {
+      page: this.pageLabel ?? this.id
+    }, "Thumbnail of Page {{page}}");
+  }
+
+  setPageLabel(label) {
+    this.pageLabel = typeof label === "string" ? label : null;
+
+    this._thumbPageTitle.then(msg => {
+      this.anchor.title = msg;
+    });
+
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
+      return;
+    }
+
+    this._thumbPageCanvas.then(msg => {
+      if (this.image) {
+        this.image.setAttribute("aria-label", msg);
+      } else if (this.disableCanvasToImageConversion && this.canvas) {
+        this.canvas.setAttribute("aria-label", msg);
+      }
+    });
+  }
+
+  static cleanup() {
+    TempImageFactory.destroyCanvas();
+  }
+
+}
+
+exports.PDFThumbnailView = PDFThumbnailView;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_viewer.js
new file mode 100644
index 00000000..6cd93413
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_thumbnail_viewer.js
@@ -0,0 +1,288 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFThumbnailViewer = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_thumbnail_view = require("./pdf_thumbnail_view.js");
+
+const THUMBNAIL_SCROLL_MARGIN = -19;
+const THUMBNAIL_SELECTED_CLASS = "selected";
+
+class PDFThumbnailViewer {
+  constructor({
+    container,
+    eventBus,
+    linkService,
+    renderingQueue,
+    l10n = _ui_utils.NullL10n
+  }) {
+    this.container = container;
+    this.linkService = linkService;
+    this.renderingQueue = renderingQueue;
+    this.l10n = l10n;
+    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
+
+    this._resetView();
+
+    eventBus._on("optionalcontentconfigchanged", () => {
+      this._setImageDisabled = true;
+    });
+  }
+
+  _scrollUpdated() {
+    this.renderingQueue.renderHighestPriority();
+  }
+
+  getThumbnail(index) {
+    return this._thumbnails[index];
+  }
+
+  _getVisibleThumbs() {
+    return (0, _ui_utils.getVisibleElements)(this.container, this._thumbnails);
+  }
+
+  scrollThumbnailIntoView(pageNumber) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const thumbnailView = this._thumbnails[pageNumber - 1];
+
+    if (!thumbnailView) {
+      console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
+      return;
+    }
+
+    if (pageNumber !== this._currentPageNumber) {
+      const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
+      prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
+      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+    }
+
+    const visibleThumbs = this._getVisibleThumbs();
+
+    const numVisibleThumbs = visibleThumbs.views.length;
+
+    if (numVisibleThumbs > 0) {
+      const first = visibleThumbs.first.id;
+      const last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
+      let shouldScroll = false;
+
+      if (pageNumber <= first || pageNumber >= last) {
+        shouldScroll = true;
+      } else {
+        visibleThumbs.views.some(function (view) {
+          if (view.id !== pageNumber) {
+            return false;
+          }
+
+          shouldScroll = view.percent < 100;
+          return true;
+        });
+      }
+
+      if (shouldScroll) {
+        (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
+          top: THUMBNAIL_SCROLL_MARGIN
+        });
+      }
+    }
+
+    this._currentPageNumber = pageNumber;
+  }
+
+  get pagesRotation() {
+    return this._pagesRotation;
+  }
+
+  set pagesRotation(rotation) {
+    if (!(0, _ui_utils.isValidRotation)(rotation)) {
+      throw new Error("Invalid thumbnails rotation angle.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (this._pagesRotation === rotation) {
+      return;
+    }
+
+    this._pagesRotation = rotation;
+
+    for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+      this._thumbnails[i].update(rotation);
+    }
+  }
+
+  cleanup() {
+    _pdf_thumbnail_view.PDFThumbnailView.cleanup();
+  }
+
+  _resetView() {
+    this._thumbnails = [];
+    this._currentPageNumber = 1;
+    this._pageLabels = null;
+    this._pagesRotation = 0;
+    this._optionalContentConfigPromise = null;
+    this._pagesRequests = new WeakMap();
+    this._setImageDisabled = false;
+    this.container.textContent = "";
+  }
+
+  setDocument(pdfDocument) {
+    if (this.pdfDocument) {
+      this._cancelRendering();
+
+      this._resetView();
+    }
+
+    this.pdfDocument = pdfDocument;
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    const firstPagePromise = pdfDocument.getPage(1);
+    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+    firstPagePromise.then(firstPdfPage => {
+      this._optionalContentConfigPromise = optionalContentConfigPromise;
+      const pagesCount = pdfDocument.numPages;
+      const viewport = firstPdfPage.getViewport({
+        scale: 1
+      });
+
+      const checkSetImageDisabled = () => {
+        return this._setImageDisabled;
+      };
+
+      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+        const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
+          container: this.container,
+          id: pageNum,
+          defaultViewport: viewport.clone(),
+          optionalContentConfigPromise,
+          linkService: this.linkService,
+          renderingQueue: this.renderingQueue,
+          checkSetImageDisabled,
+          disableCanvasToImageConversion: false,
+          l10n: this.l10n
+        });
+
+        this._thumbnails.push(thumbnail);
+      }
+
+      const firstThumbnailView = this._thumbnails[0];
+
+      if (firstThumbnailView) {
+        firstThumbnailView.setPdfPage(firstPdfPage);
+      }
+
+      const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
+      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+    }).catch(reason => {
+      console.error("Unable to initialize thumbnail viewer", reason);
+    });
+  }
+
+  _cancelRendering() {
+    for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+      if (this._thumbnails[i]) {
+        this._thumbnails[i].cancelRendering();
+      }
+    }
+  }
+
+  setPageLabels(labels) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!labels) {
+      this._pageLabels = null;
+    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+      this._pageLabels = null;
+      console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
+    } else {
+      this._pageLabels = labels;
+    }
+
+    for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+      const label = this._pageLabels && this._pageLabels[i];
+
+      this._thumbnails[i].setPageLabel(label);
+    }
+  }
+
+  _ensurePdfPageLoaded(thumbView) {
+    if (thumbView.pdfPage) {
+      return Promise.resolve(thumbView.pdfPage);
+    }
+
+    if (this._pagesRequests.has(thumbView)) {
+      return this._pagesRequests.get(thumbView);
+    }
+
+    const promise = this.pdfDocument.getPage(thumbView.id).then(pdfPage => {
+      if (!thumbView.pdfPage) {
+        thumbView.setPdfPage(pdfPage);
+      }
+
+      this._pagesRequests.delete(thumbView);
+
+      return pdfPage;
+    }).catch(reason => {
+      console.error("Unable to get page for thumb view", reason);
+
+      this._pagesRequests.delete(thumbView);
+    });
+
+    this._pagesRequests.set(thumbView, promise);
+
+    return promise;
+  }
+
+  forceRendering() {
+    const visibleThumbs = this._getVisibleThumbs();
+
+    const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
+
+    if (thumbView) {
+      this._ensurePdfPageLoaded(thumbView).then(() => {
+        this.renderingQueue.renderView(thumbView);
+      });
+
+      return true;
+    }
+
+    return false;
+  }
+
+}
+
+exports.PDFThumbnailViewer = PDFThumbnailViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_viewer.component.js b/node_modules/pdfjs-dist/lib/web/pdf_viewer.component.js
new file mode 100644
index 00000000..ae3b6cae
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_viewer.component.js
@@ -0,0 +1,147 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "AnnotationLayerBuilder", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer_builder.AnnotationLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "DefaultAnnotationLayerFactory", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer_builder.DefaultAnnotationLayerFactory;
+  }
+});
+Object.defineProperty(exports, "DefaultTextLayerFactory", {
+  enumerable: true,
+  get: function () {
+    return _text_layer_builder.DefaultTextLayerFactory;
+  }
+});
+Object.defineProperty(exports, "TextLayerBuilder", {
+  enumerable: true,
+  get: function () {
+    return _text_layer_builder.TextLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "EventBus", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.EventBus;
+  }
+});
+Object.defineProperty(exports, "NullL10n", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.NullL10n;
+  }
+});
+Object.defineProperty(exports, "ProgressBar", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.ProgressBar;
+  }
+});
+Object.defineProperty(exports, "PDFLinkService", {
+  enumerable: true,
+  get: function () {
+    return _pdf_link_service.PDFLinkService;
+  }
+});
+Object.defineProperty(exports, "SimpleLinkService", {
+  enumerable: true,
+  get: function () {
+    return _pdf_link_service.SimpleLinkService;
+  }
+});
+Object.defineProperty(exports, "DownloadManager", {
+  enumerable: true,
+  get: function () {
+    return _download_manager.DownloadManager;
+  }
+});
+Object.defineProperty(exports, "GenericL10n", {
+  enumerable: true,
+  get: function () {
+    return _genericl10n.GenericL10n;
+  }
+});
+Object.defineProperty(exports, "PDFFindController", {
+  enumerable: true,
+  get: function () {
+    return _pdf_find_controller.PDFFindController;
+  }
+});
+Object.defineProperty(exports, "PDFHistory", {
+  enumerable: true,
+  get: function () {
+    return _pdf_history.PDFHistory;
+  }
+});
+Object.defineProperty(exports, "PDFPageView", {
+  enumerable: true,
+  get: function () {
+    return _pdf_page_view.PDFPageView;
+  }
+});
+Object.defineProperty(exports, "PDFSinglePageViewer", {
+  enumerable: true,
+  get: function () {
+    return _pdf_single_page_viewer.PDFSinglePageViewer;
+  }
+});
+Object.defineProperty(exports, "PDFViewer", {
+  enumerable: true,
+  get: function () {
+    return _pdf_viewer.PDFViewer;
+  }
+});
+
+var _annotation_layer_builder = require("./annotation_layer_builder.js");
+
+var _text_layer_builder = require("./text_layer_builder.js");
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_link_service = require("./pdf_link_service.js");
+
+var _download_manager = require("./download_manager.js");
+
+var _genericl10n = require("./genericl10n.js");
+
+var _pdf_find_controller = require("./pdf_find_controller.js");
+
+var _pdf_history = require("./pdf_history.js");
+
+var _pdf_page_view = require("./pdf_page_view.js");
+
+var _pdf_single_page_viewer = require("./pdf_single_page_viewer.js");
+
+var _pdf_viewer = require("./pdf_viewer.js");
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/pdf_viewer.js b/node_modules/pdfjs-dist/lib/web/pdf_viewer.js
new file mode 100644
index 00000000..84d02368
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/pdf_viewer.js
@@ -0,0 +1,102 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFViewer = void 0;
+
+var _base_viewer = require("./base_viewer.js");
+
+var _pdf = require("../pdf");
+
+class PDFViewer extends _base_viewer.BaseViewer {
+  get _viewerElement() {
+    return (0, _pdf.shadow)(this, "_viewerElement", this.viewer);
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    if (!pageSpot && !this.isInPresentationMode) {
+      const left = pageDiv.offsetLeft + pageDiv.clientLeft;
+      const right = left + pageDiv.clientWidth;
+      const {
+        scrollLeft,
+        clientWidth
+      } = this.container;
+
+      if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
+        pageSpot = {
+          left: 0,
+          top: 0
+        };
+      }
+    }
+
+    super._scrollIntoView({
+      pageDiv,
+      pageSpot,
+      pageNumber
+    });
+  }
+
+  _getVisiblePages() {
+    if (this.isInPresentationMode) {
+      return this._getCurrentVisiblePage();
+    }
+
+    return super._getVisiblePages();
+  }
+
+  _updateHelper(visiblePages) {
+    if (this.isInPresentationMode) {
+      return;
+    }
+
+    let currentId = this._currentPageNumber;
+    let stillFullyVisible = false;
+
+    for (const page of visiblePages) {
+      if (page.percent < 100) {
+        break;
+      }
+
+      if (page.id === currentId) {
+        stillFullyVisible = true;
+        break;
+      }
+    }
+
+    if (!stillFullyVisible) {
+      currentId = visiblePages[0].id;
+    }
+
+    this._setCurrentPageNumber(currentId);
+  }
+
+}
+
+exports.PDFViewer = PDFViewer;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/preferences.js b/node_modules/pdfjs-dist/lib/web/preferences.js
new file mode 100644
index 00000000..8d7682e6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/preferences.js
@@ -0,0 +1,165 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.BasePreferences = void 0;
+
+var _app_options = require("./app_options.js");
+
+let defaultPreferences = null;
+
+function getDefaultPreferences() {
+  if (!defaultPreferences) {
+    defaultPreferences = Promise.resolve({
+      "cursorToolOnLoad": 0,
+      "defaultZoomValue": "",
+      "disablePageLabels": false,
+      "enablePermissions": false,
+      "enablePrintAutoRotate": false,
+      "enableWebGL": false,
+      "externalLinkTarget": 0,
+      "historyUpdateUrl": false,
+      "ignoreDestinationZoom": false,
+      "pdfBugEnabled": false,
+      "renderer": "canvas",
+      "renderInteractiveForms": true,
+      "sidebarViewOnLoad": -1,
+      "scrollModeOnLoad": -1,
+      "spreadModeOnLoad": -1,
+      "textLayerMode": 1,
+      "useOnlyCssZoom": false,
+      "viewOnLoad": 0,
+      "disableAutoFetch": false,
+      "disableFontFace": false,
+      "disableRange": false,
+      "disableStream": false
+    });
+  }
+
+  return defaultPreferences;
+}
+
+class BasePreferences {
+  constructor() {
+    if (this.constructor === BasePreferences) {
+      throw new Error("Cannot initialize BasePreferences.");
+    }
+
+    this.prefs = null;
+    this._initializedPromise = getDefaultPreferences().then(defaults => {
+      Object.defineProperty(this, "defaults", {
+        value: Object.freeze(defaults),
+        writable: false,
+        enumerable: true,
+        configurable: false
+      });
+      this.prefs = Object.assign(Object.create(null), defaults);
+      return this._readFromStorage(defaults);
+    }).then(prefs => {
+      if (!prefs) {
+        return;
+      }
+
+      for (const name in prefs) {
+        const defaultValue = this.defaults[name],
+              prefValue = prefs[name];
+
+        if (defaultValue === undefined || typeof prefValue !== typeof defaultValue) {
+          continue;
+        }
+
+        this.prefs[name] = prefValue;
+      }
+    });
+  }
+
+  async _writeToStorage(prefObj) {
+    throw new Error("Not implemented: _writeToStorage");
+  }
+
+  async _readFromStorage(prefObj) {
+    throw new Error("Not implemented: _readFromStorage");
+  }
+
+  async reset() {
+    await this._initializedPromise;
+    this.prefs = Object.assign(Object.create(null), this.defaults);
+    return this._writeToStorage(this.defaults);
+  }
+
+  async set(name, value) {
+    await this._initializedPromise;
+    const defaultValue = this.defaults[name];
+
+    if (defaultValue === undefined) {
+      throw new Error(`Set preference: "${name}" is undefined.`);
+    } else if (value === undefined) {
+      throw new Error("Set preference: no value is specified.");
+    }
+
+    const valueType = typeof value;
+    const defaultType = typeof defaultValue;
+
+    if (valueType !== defaultType) {
+      if (valueType === "number" && defaultType === "string") {
+        value = value.toString();
+      } else {
+        throw new Error(`Set preference: "${value}" is a ${valueType}, ` + `expected a ${defaultType}.`);
+      }
+    } else {
+      if (valueType === "number" && !Number.isInteger(value)) {
+        throw new Error(`Set preference: "${value}" must be an integer.`);
+      }
+    }
+
+    this.prefs[name] = value;
+    return this._writeToStorage(this.prefs);
+  }
+
+  async get(name) {
+    await this._initializedPromise;
+    const defaultValue = this.defaults[name];
+
+    if (defaultValue === undefined) {
+      throw new Error(`Get preference: "${name}" is undefined.`);
+    } else {
+      const prefValue = this.prefs[name];
+
+      if (prefValue !== undefined) {
+        return prefValue;
+      }
+    }
+
+    return defaultValue;
+  }
+
+  async getAll() {
+    await this._initializedPromise;
+    return Object.assign(Object.create(null), this.defaults, this.prefs);
+  }
+
+}
+
+exports.BasePreferences = BasePreferences;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/secondary_toolbar.js b/node_modules/pdfjs-dist/lib/web/secondary_toolbar.js
new file mode 100644
index 00000000..b112d9e7
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/secondary_toolbar.js
@@ -0,0 +1,333 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SecondaryToolbar = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+var _pdf_cursor_tools = require("./pdf_cursor_tools.js");
+
+var _pdf_single_page_viewer = require("./pdf_single_page_viewer.js");
+
+class SecondaryToolbar {
+  constructor(options, mainContainer, eventBus) {
+    this.toolbar = options.toolbar;
+    this.toggleButton = options.toggleButton;
+    this.toolbarButtonContainer = options.toolbarButtonContainer;
+    this.buttons = [{
+      element: options.presentationModeButton,
+      eventName: "presentationmode",
+      close: true
+    }, {
+      element: options.openFileButton,
+      eventName: "openfile",
+      close: true
+    }, {
+      element: options.printButton,
+      eventName: "print",
+      close: true
+    }, {
+      element: options.downloadButton,
+      eventName: "download",
+      close: true
+    }, {
+      element: options.viewBookmarkButton,
+      eventName: null,
+      close: true
+    }, {
+      element: options.firstPageButton,
+      eventName: "firstpage",
+      close: true
+    }, {
+      element: options.lastPageButton,
+      eventName: "lastpage",
+      close: true
+    }, {
+      element: options.pageRotateCwButton,
+      eventName: "rotatecw",
+      close: false
+    }, {
+      element: options.pageRotateCcwButton,
+      eventName: "rotateccw",
+      close: false
+    }, {
+      element: options.cursorSelectToolButton,
+      eventName: "switchcursortool",
+      eventDetails: {
+        tool: _pdf_cursor_tools.CursorTool.SELECT
+      },
+      close: true
+    }, {
+      element: options.cursorHandToolButton,
+      eventName: "switchcursortool",
+      eventDetails: {
+        tool: _pdf_cursor_tools.CursorTool.HAND
+      },
+      close: true
+    }, {
+      element: options.scrollVerticalButton,
+      eventName: "switchscrollmode",
+      eventDetails: {
+        mode: _ui_utils.ScrollMode.VERTICAL
+      },
+      close: true
+    }, {
+      element: options.scrollHorizontalButton,
+      eventName: "switchscrollmode",
+      eventDetails: {
+        mode: _ui_utils.ScrollMode.HORIZONTAL
+      },
+      close: true
+    }, {
+      element: options.scrollWrappedButton,
+      eventName: "switchscrollmode",
+      eventDetails: {
+        mode: _ui_utils.ScrollMode.WRAPPED
+      },
+      close: true
+    }, {
+      element: options.spreadNoneButton,
+      eventName: "switchspreadmode",
+      eventDetails: {
+        mode: _ui_utils.SpreadMode.NONE
+      },
+      close: true
+    }, {
+      element: options.spreadOddButton,
+      eventName: "switchspreadmode",
+      eventDetails: {
+        mode: _ui_utils.SpreadMode.ODD
+      },
+      close: true
+    }, {
+      element: options.spreadEvenButton,
+      eventName: "switchspreadmode",
+      eventDetails: {
+        mode: _ui_utils.SpreadMode.EVEN
+      },
+      close: true
+    }, {
+      element: options.documentPropertiesButton,
+      eventName: "documentproperties",
+      close: true
+    }];
+    this.items = {
+      firstPage: options.firstPageButton,
+      lastPage: options.lastPageButton,
+      pageRotateCw: options.pageRotateCwButton,
+      pageRotateCcw: options.pageRotateCcwButton
+    };
+    this.mainContainer = mainContainer;
+    this.eventBus = eventBus;
+    this.opened = false;
+    this.containerHeight = null;
+    this.previousContainerHeight = null;
+    this.reset();
+
+    this._bindClickListeners();
+
+    this._bindCursorToolsListener(options);
+
+    this._bindScrollModeListener(options);
+
+    this._bindSpreadModeListener(options);
+
+    this.eventBus._on("resize", this._setMaxHeight.bind(this));
+
+    this.eventBus._on("baseviewerinit", evt => {
+      if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
+        this.toolbarButtonContainer.classList.add("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
+      } else {
+        this.toolbarButtonContainer.classList.remove("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
+      }
+    });
+  }
+
+  get isOpen() {
+    return this.opened;
+  }
+
+  setPageNumber(pageNumber) {
+    this.pageNumber = pageNumber;
+
+    this._updateUIState();
+  }
+
+  setPagesCount(pagesCount) {
+    this.pagesCount = pagesCount;
+
+    this._updateUIState();
+  }
+
+  reset() {
+    this.pageNumber = 0;
+    this.pagesCount = 0;
+
+    this._updateUIState();
+
+    this.eventBus.dispatch("secondarytoolbarreset", {
+      source: this
+    });
+  }
+
+  _updateUIState() {
+    this.items.firstPage.disabled = this.pageNumber <= 1;
+    this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
+    this.items.pageRotateCw.disabled = this.pagesCount === 0;
+    this.items.pageRotateCcw.disabled = this.pagesCount === 0;
+  }
+
+  _bindClickListeners() {
+    this.toggleButton.addEventListener("click", this.toggle.bind(this));
+
+    for (const {
+      element,
+      eventName,
+      close,
+      eventDetails
+    } of this.buttons) {
+      element.addEventListener("click", evt => {
+        if (eventName !== null) {
+          const details = {
+            source: this
+          };
+
+          for (const property in eventDetails) {
+            details[property] = eventDetails[property];
+          }
+
+          this.eventBus.dispatch(eventName, details);
+        }
+
+        if (close) {
+          this.close();
+        }
+      });
+    }
+  }
+
+  _bindCursorToolsListener(buttons) {
+    this.eventBus._on("cursortoolchanged", function ({
+      tool
+    }) {
+      buttons.cursorSelectToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.SELECT);
+      buttons.cursorHandToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.HAND);
+    });
+  }
+
+  _bindScrollModeListener(buttons) {
+    function scrollModeChanged({
+      mode
+    }) {
+      buttons.scrollVerticalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.VERTICAL);
+      buttons.scrollHorizontalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.HORIZONTAL);
+      buttons.scrollWrappedButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.WRAPPED);
+      const isScrollModeHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL;
+      buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
+      buttons.spreadOddButton.disabled = isScrollModeHorizontal;
+      buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
+    }
+
+    this.eventBus._on("scrollmodechanged", scrollModeChanged);
+
+    this.eventBus._on("secondarytoolbarreset", evt => {
+      if (evt.source === this) {
+        scrollModeChanged({
+          mode: _ui_utils.ScrollMode.VERTICAL
+        });
+      }
+    });
+  }
+
+  _bindSpreadModeListener(buttons) {
+    function spreadModeChanged({
+      mode
+    }) {
+      buttons.spreadNoneButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.NONE);
+      buttons.spreadOddButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.ODD);
+      buttons.spreadEvenButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.EVEN);
+    }
+
+    this.eventBus._on("spreadmodechanged", spreadModeChanged);
+
+    this.eventBus._on("secondarytoolbarreset", evt => {
+      if (evt.source === this) {
+        spreadModeChanged({
+          mode: _ui_utils.SpreadMode.NONE
+        });
+      }
+    });
+  }
+
+  open() {
+    if (this.opened) {
+      return;
+    }
+
+    this.opened = true;
+
+    this._setMaxHeight();
+
+    this.toggleButton.classList.add("toggled");
+    this.toolbar.classList.remove("hidden");
+  }
+
+  close() {
+    if (!this.opened) {
+      return;
+    }
+
+    this.opened = false;
+    this.toolbar.classList.add("hidden");
+    this.toggleButton.classList.remove("toggled");
+  }
+
+  toggle() {
+    if (this.opened) {
+      this.close();
+    } else {
+      this.open();
+    }
+  }
+
+  _setMaxHeight() {
+    if (!this.opened) {
+      return;
+    }
+
+    this.containerHeight = this.mainContainer.clientHeight;
+
+    if (this.containerHeight === this.previousContainerHeight) {
+      return;
+    }
+
+    this.toolbarButtonContainer.style.maxHeight = `${this.containerHeight - _ui_utils.SCROLLBAR_PADDING}px`;
+    this.previousContainerHeight = this.containerHeight;
+  }
+
+}
+
+exports.SecondaryToolbar = SecondaryToolbar;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/text_layer_builder.js b/node_modules/pdfjs-dist/lib/web/text_layer_builder.js
new file mode 100644
index 00000000..f688ac3a
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/text_layer_builder.js
@@ -0,0 +1,399 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;
+
+var _pdf = require("../pdf");
+
+const EXPAND_DIVS_TIMEOUT = 300;
+
+class TextLayerBuilder {
+  constructor({
+    textLayerDiv,
+    eventBus,
+    pageIndex,
+    viewport,
+    findController = null,
+    enhanceTextSelection = false
+  }) {
+    this.textLayerDiv = textLayerDiv;
+    this.eventBus = eventBus;
+    this.textContent = null;
+    this.textContentItemsStr = [];
+    this.textContentStream = null;
+    this.renderingDone = false;
+    this.pageIdx = pageIndex;
+    this.pageNumber = this.pageIdx + 1;
+    this.matches = [];
+    this.viewport = viewport;
+    this.textDivs = [];
+    this.findController = findController;
+    this.textLayerRenderTask = null;
+    this.enhanceTextSelection = enhanceTextSelection;
+    this._onUpdateTextLayerMatches = null;
+
+    this._bindMouse();
+  }
+
+  _finishRendering() {
+    this.renderingDone = true;
+
+    if (!this.enhanceTextSelection) {
+      const endOfContent = document.createElement("div");
+      endOfContent.className = "endOfContent";
+      this.textLayerDiv.appendChild(endOfContent);
+    }
+
+    this.eventBus.dispatch("textlayerrendered", {
+      source: this,
+      pageNumber: this.pageNumber,
+      numTextDivs: this.textDivs.length
+    });
+  }
+
+  render(timeout = 0) {
+    if (!(this.textContent || this.textContentStream) || this.renderingDone) {
+      return;
+    }
+
+    this.cancel();
+    this.textDivs = [];
+    const textLayerFrag = document.createDocumentFragment();
+    this.textLayerRenderTask = (0, _pdf.renderTextLayer)({
+      textContent: this.textContent,
+      textContentStream: this.textContentStream,
+      container: textLayerFrag,
+      viewport: this.viewport,
+      textDivs: this.textDivs,
+      textContentItemsStr: this.textContentItemsStr,
+      timeout,
+      enhanceTextSelection: this.enhanceTextSelection
+    });
+    this.textLayerRenderTask.promise.then(() => {
+      this.textLayerDiv.appendChild(textLayerFrag);
+
+      this._finishRendering();
+
+      this._updateMatches();
+    }, function (reason) {});
+
+    if (!this._onUpdateTextLayerMatches) {
+      this._onUpdateTextLayerMatches = evt => {
+        if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
+          this._updateMatches();
+        }
+      };
+
+      this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
+    }
+  }
+
+  cancel() {
+    if (this.textLayerRenderTask) {
+      this.textLayerRenderTask.cancel();
+      this.textLayerRenderTask = null;
+    }
+
+    if (this._onUpdateTextLayerMatches) {
+      this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
+
+      this._onUpdateTextLayerMatches = null;
+    }
+  }
+
+  setTextContentStream(readableStream) {
+    this.cancel();
+    this.textContentStream = readableStream;
+  }
+
+  setTextContent(textContent) {
+    this.cancel();
+    this.textContent = textContent;
+  }
+
+  _convertMatches(matches, matchesLength) {
+    if (!matches) {
+      return [];
+    }
+
+    const {
+      findController,
+      textContentItemsStr
+    } = this;
+    let i = 0,
+        iIndex = 0;
+    const end = textContentItemsStr.length - 1;
+    const queryLen = findController.state.query.length;
+    const result = [];
+
+    for (let m = 0, mm = matches.length; m < mm; m++) {
+      let matchIdx = matches[m];
+
+      while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+        iIndex += textContentItemsStr[i].length;
+        i++;
+      }
+
+      if (i === textContentItemsStr.length) {
+        console.error("Could not find a matching mapping");
+      }
+
+      const match = {
+        begin: {
+          divIdx: i,
+          offset: matchIdx - iIndex
+        }
+      };
+
+      if (matchesLength) {
+        matchIdx += matchesLength[m];
+      } else {
+        matchIdx += queryLen;
+      }
+
+      while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+        iIndex += textContentItemsStr[i].length;
+        i++;
+      }
+
+      match.end = {
+        divIdx: i,
+        offset: matchIdx - iIndex
+      };
+      result.push(match);
+    }
+
+    return result;
+  }
+
+  _renderMatches(matches) {
+    if (matches.length === 0) {
+      return;
+    }
+
+    const {
+      findController,
+      pageIdx,
+      textContentItemsStr,
+      textDivs
+    } = this;
+    const isSelectedPage = pageIdx === findController.selected.pageIdx;
+    const selectedMatchIdx = findController.selected.matchIdx;
+    const highlightAll = findController.state.highlightAll;
+    let prevEnd = null;
+    const infinity = {
+      divIdx: -1,
+      offset: undefined
+    };
+
+    function beginText(begin, className) {
+      const divIdx = begin.divIdx;
+      textDivs[divIdx].textContent = "";
+      appendTextToDiv(divIdx, 0, begin.offset, className);
+    }
+
+    function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+      const div = textDivs[divIdx];
+      const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+      const node = document.createTextNode(content);
+
+      if (className) {
+        const span = document.createElement("span");
+        span.className = className;
+        span.appendChild(node);
+        div.appendChild(span);
+        return;
+      }
+
+      div.appendChild(node);
+    }
+
+    let i0 = selectedMatchIdx,
+        i1 = i0 + 1;
+
+    if (highlightAll) {
+      i0 = 0;
+      i1 = matches.length;
+    } else if (!isSelectedPage) {
+      return;
+    }
+
+    for (let i = i0; i < i1; i++) {
+      const match = matches[i];
+      const begin = match.begin;
+      const end = match.end;
+      const isSelected = isSelectedPage && i === selectedMatchIdx;
+      const highlightSuffix = isSelected ? " selected" : "";
+
+      if (isSelected) {
+        findController.scrollMatchIntoView({
+          element: textDivs[begin.divIdx],
+          pageIndex: pageIdx,
+          matchIndex: selectedMatchIdx
+        });
+      }
+
+      if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+        if (prevEnd !== null) {
+          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+        }
+
+        beginText(begin);
+      } else {
+        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+      }
+
+      if (begin.divIdx === end.divIdx) {
+        appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+      } else {
+        appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+
+        for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+          textDivs[n0].className = "highlight middle" + highlightSuffix;
+        }
+
+        beginText(end, "highlight end" + highlightSuffix);
+      }
+
+      prevEnd = end;
+    }
+
+    if (prevEnd) {
+      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+    }
+  }
+
+  _updateMatches() {
+    if (!this.renderingDone) {
+      return;
+    }
+
+    const {
+      findController,
+      matches,
+      pageIdx,
+      textContentItemsStr,
+      textDivs
+    } = this;
+    let clearedUntilDivIdx = -1;
+
+    for (let i = 0, ii = matches.length; i < ii; i++) {
+      const match = matches[i];
+      const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+
+      for (let n = begin, end = match.end.divIdx; n <= end; n++) {
+        const div = textDivs[n];
+        div.textContent = textContentItemsStr[n];
+        div.className = "";
+      }
+
+      clearedUntilDivIdx = match.end.divIdx + 1;
+    }
+
+    if (!findController || !findController.highlightMatches) {
+      return;
+    }
+
+    const pageMatches = findController.pageMatches[pageIdx] || null;
+    const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+    this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+
+    this._renderMatches(this.matches);
+  }
+
+  _bindMouse() {
+    const div = this.textLayerDiv;
+    let expandDivsTimer = null;
+    div.addEventListener("mousedown", evt => {
+      if (this.enhanceTextSelection && this.textLayerRenderTask) {
+        this.textLayerRenderTask.expandTextDivs(true);
+
+        if (expandDivsTimer) {
+          clearTimeout(expandDivsTimer);
+          expandDivsTimer = null;
+        }
+
+        return;
+      }
+
+      const end = div.querySelector(".endOfContent");
+
+      if (!end) {
+        return;
+      }
+
+      let adjustTop = evt.target !== div;
+      adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
+
+      if (adjustTop) {
+        const divBounds = div.getBoundingClientRect();
+        const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
+        end.style.top = (r * 100).toFixed(2) + "%";
+      }
+
+      end.classList.add("active");
+    });
+    div.addEventListener("mouseup", () => {
+      if (this.enhanceTextSelection && this.textLayerRenderTask) {
+        expandDivsTimer = setTimeout(() => {
+          if (this.textLayerRenderTask) {
+            this.textLayerRenderTask.expandTextDivs(false);
+          }
+
+          expandDivsTimer = null;
+        }, EXPAND_DIVS_TIMEOUT);
+        return;
+      }
+
+      const end = div.querySelector(".endOfContent");
+
+      if (!end) {
+        return;
+      }
+
+      end.style.top = "";
+      end.classList.remove("active");
+    });
+  }
+
+}
+
+exports.TextLayerBuilder = TextLayerBuilder;
+
+class DefaultTextLayerFactory {
+  createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
+    return new TextLayerBuilder({
+      textLayerDiv,
+      pageIndex,
+      viewport,
+      enhanceTextSelection,
+      eventBus
+    });
+  }
+
+}
+
+exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/toolbar.js b/node_modules/pdfjs-dist/lib/web/toolbar.js
new file mode 100644
index 00000000..4fcd93d6
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/toolbar.js
@@ -0,0 +1,285 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Toolbar = void 0;
+
+var _ui_utils = require("./ui_utils.js");
+
+const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
+const SCALE_SELECT_CONTAINER_WIDTH = 140;
+const SCALE_SELECT_WIDTH = 162;
+
+class Toolbar {
+  constructor(options, eventBus, l10n = _ui_utils.NullL10n) {
+    this.toolbar = options.container;
+    this.eventBus = eventBus;
+    this.l10n = l10n;
+    this.buttons = [{
+      element: options.previous,
+      eventName: "previouspage"
+    }, {
+      element: options.next,
+      eventName: "nextpage"
+    }, {
+      element: options.zoomIn,
+      eventName: "zoomin"
+    }, {
+      element: options.zoomOut,
+      eventName: "zoomout"
+    }, {
+      element: options.openFile,
+      eventName: "openfile"
+    }, {
+      element: options.print,
+      eventName: "print"
+    }, {
+      element: options.presentationModeButton,
+      eventName: "presentationmode"
+    }, {
+      element: options.download,
+      eventName: "download"
+    }, {
+      element: options.viewBookmark,
+      eventName: null
+    }];
+    this.items = {
+      numPages: options.numPages,
+      pageNumber: options.pageNumber,
+      scaleSelectContainer: options.scaleSelectContainer,
+      scaleSelect: options.scaleSelect,
+      customScaleOption: options.customScaleOption,
+      previous: options.previous,
+      next: options.next,
+      zoomIn: options.zoomIn,
+      zoomOut: options.zoomOut
+    };
+    this._wasLocalized = false;
+    this.reset();
+
+    this._bindListeners();
+  }
+
+  setPageNumber(pageNumber, pageLabel) {
+    this.pageNumber = pageNumber;
+    this.pageLabel = pageLabel;
+
+    this._updateUIState(false);
+  }
+
+  setPagesCount(pagesCount, hasPageLabels) {
+    this.pagesCount = pagesCount;
+    this.hasPageLabels = hasPageLabels;
+
+    this._updateUIState(true);
+  }
+
+  setPageScale(pageScaleValue, pageScale) {
+    this.pageScaleValue = (pageScaleValue || pageScale).toString();
+    this.pageScale = pageScale;
+
+    this._updateUIState(false);
+  }
+
+  reset() {
+    this.pageNumber = 0;
+    this.pageLabel = null;
+    this.hasPageLabels = false;
+    this.pagesCount = 0;
+    this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+    this.pageScale = _ui_utils.DEFAULT_SCALE;
+
+    this._updateUIState(true);
+
+    this.updateLoadingIndicatorState();
+  }
+
+  _bindListeners() {
+    const {
+      pageNumber,
+      scaleSelect
+    } = this.items;
+    const self = this;
+
+    for (const {
+      element,
+      eventName
+    } of this.buttons) {
+      element.addEventListener("click", evt => {
+        if (eventName !== null) {
+          this.eventBus.dispatch(eventName, {
+            source: this
+          });
+        }
+      });
+    }
+
+    pageNumber.addEventListener("click", function () {
+      this.select();
+    });
+    pageNumber.addEventListener("change", function () {
+      self.eventBus.dispatch("pagenumberchanged", {
+        source: self,
+        value: this.value
+      });
+    });
+    scaleSelect.addEventListener("change", function () {
+      if (this.value === "custom") {
+        return;
+      }
+
+      self.eventBus.dispatch("scalechanged", {
+        source: self,
+        value: this.value
+      });
+    });
+    scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
+
+    this.eventBus._on("localized", () => {
+      this._wasLocalized = true;
+
+      this._adjustScaleWidth();
+
+      this._updateUIState(true);
+    });
+  }
+
+  _updateUIState(resetNumPages = false) {
+    if (!this._wasLocalized) {
+      return;
+    }
+
+    const {
+      pageNumber,
+      pagesCount,
+      pageScaleValue,
+      pageScale,
+      items
+    } = this;
+
+    if (resetNumPages) {
+      if (this.hasPageLabels) {
+        items.pageNumber.type = "text";
+      } else {
+        items.pageNumber.type = "number";
+        this.l10n.get("of_pages", {
+          pagesCount
+        }, "of {{pagesCount}}").then(msg => {
+          items.numPages.textContent = msg;
+        });
+      }
+
+      items.pageNumber.max = pagesCount;
+    }
+
+    if (this.hasPageLabels) {
+      items.pageNumber.value = this.pageLabel;
+      this.l10n.get("page_of_pages", {
+        pageNumber,
+        pagesCount
+      }, "({{pageNumber}} of {{pagesCount}})").then(msg => {
+        items.numPages.textContent = msg;
+      });
+    } else {
+      items.pageNumber.value = pageNumber;
+    }
+
+    items.previous.disabled = pageNumber <= 1;
+    items.next.disabled = pageNumber >= pagesCount;
+    items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
+    items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
+    const customScale = Math.round(pageScale * 10000) / 100;
+    this.l10n.get("page_scale_percent", {
+      scale: customScale
+    }, "{{scale}}%").then(msg => {
+      let predefinedValueFound = false;
+
+      for (const option of items.scaleSelect.options) {
+        if (option.value !== pageScaleValue) {
+          option.selected = false;
+          continue;
+        }
+
+        option.selected = true;
+        predefinedValueFound = true;
+      }
+
+      if (!predefinedValueFound) {
+        items.customScaleOption.textContent = msg;
+        items.customScaleOption.selected = true;
+      }
+    });
+  }
+
+  updateLoadingIndicatorState(loading = false) {
+    const pageNumberInput = this.items.pageNumber;
+    pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
+  }
+
+  async _adjustScaleWidth() {
+    const {
+      items,
+      l10n
+    } = this;
+    const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto", null, "Automatic Zoom"), l10n.get("page_scale_actual", null, "Actual Size"), l10n.get("page_scale_fit", null, "Page Fit"), l10n.get("page_scale_width", null, "Page Width")]);
+    let canvas = document.createElement("canvas");
+    canvas.mozOpaque = true;
+    let ctx = canvas.getContext("2d", {
+      alpha: false
+    });
+    await _ui_utils.animationStarted;
+    const {
+      fontSize,
+      fontFamily
+    } = getComputedStyle(items.scaleSelect);
+    ctx.font = `${fontSize} ${fontFamily}`;
+    let maxWidth = 0;
+
+    for (const predefinedValue of await predefinedValuesPromise) {
+      const {
+        width
+      } = ctx.measureText(predefinedValue);
+
+      if (width > maxWidth) {
+        maxWidth = width;
+      }
+    }
+
+    const overflow = SCALE_SELECT_WIDTH - SCALE_SELECT_CONTAINER_WIDTH;
+    maxWidth += 2 * overflow;
+
+    if (maxWidth > SCALE_SELECT_CONTAINER_WIDTH) {
+      items.scaleSelect.style.width = `${maxWidth + overflow}px`;
+      items.scaleSelectContainer.style.width = `${maxWidth}px`;
+    }
+
+    canvas.width = 0;
+    canvas.height = 0;
+    canvas = ctx = null;
+  }
+
+}
+
+exports.Toolbar = Toolbar;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/ui_utils.js b/node_modules/pdfjs-dist/lib/web/ui_utils.js
new file mode 100644
index 00000000..c22aae8e
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/ui_utils.js
@@ -0,0 +1,756 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isValidRotation = isValidRotation;
+exports.isValidScrollMode = isValidScrollMode;
+exports.isValidSpreadMode = isValidSpreadMode;
+exports.isPortraitOrientation = isPortraitOrientation;
+exports.clamp = clamp;
+exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
+exports.noContextMenuHandler = noContextMenuHandler;
+exports.parseQueryString = parseQueryString;
+exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
+exports.getVisibleElements = getVisibleElements;
+exports.roundToDivide = roundToDivide;
+exports.getPageSizeInches = getPageSizeInches;
+exports.approximateFraction = approximateFraction;
+exports.getOutputScale = getOutputScale;
+exports.scrollIntoView = scrollIntoView;
+exports.watchScroll = watchScroll;
+exports.binarySearchFirstItem = binarySearchFirstItem;
+exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
+exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
+exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
+exports.moveToEndOfArray = moveToEndOfArray;
+exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0;
+const CSS_UNITS = 96.0 / 72.0;
+exports.CSS_UNITS = CSS_UNITS;
+const DEFAULT_SCALE_VALUE = "auto";
+exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
+const DEFAULT_SCALE = 1.0;
+exports.DEFAULT_SCALE = DEFAULT_SCALE;
+const MIN_SCALE = 0.1;
+exports.MIN_SCALE = MIN_SCALE;
+const MAX_SCALE = 10.0;
+exports.MAX_SCALE = MAX_SCALE;
+const UNKNOWN_SCALE = 0;
+exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
+const MAX_AUTO_SCALE = 1.25;
+exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
+const SCROLLBAR_PADDING = 40;
+exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
+const VERTICAL_PADDING = 5;
+exports.VERTICAL_PADDING = VERTICAL_PADDING;
+const PresentationModeState = {
+  UNKNOWN: 0,
+  NORMAL: 1,
+  CHANGING: 2,
+  FULLSCREEN: 3
+};
+exports.PresentationModeState = PresentationModeState;
+const RendererType = {
+  CANVAS: "canvas",
+  SVG: "svg"
+};
+exports.RendererType = RendererType;
+const TextLayerMode = {
+  DISABLE: 0,
+  ENABLE: 1,
+  ENABLE_ENHANCE: 2
+};
+exports.TextLayerMode = TextLayerMode;
+const ScrollMode = {
+  UNKNOWN: -1,
+  VERTICAL: 0,
+  HORIZONTAL: 1,
+  WRAPPED: 2
+};
+exports.ScrollMode = ScrollMode;
+const SpreadMode = {
+  UNKNOWN: -1,
+  NONE: 0,
+  ODD: 1,
+  EVEN: 2
+};
+exports.SpreadMode = SpreadMode;
+const AutoPrintRegExp = /\bprint\s*\(/;
+exports.AutoPrintRegExp = AutoPrintRegExp;
+
+function formatL10nValue(text, args) {
+  if (!args) {
+    return text;
+  }
+
+  return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
+    return name in args ? args[name] : "{{" + name + "}}";
+  });
+}
+
+const NullL10n = {
+  async getLanguage() {
+    return "en-us";
+  },
+
+  async getDirection() {
+    return "ltr";
+  },
+
+  async get(property, args, fallback) {
+    return formatL10nValue(fallback, args);
+  },
+
+  async translate(element) {}
+
+};
+exports.NullL10n = NullL10n;
+
+function getOutputScale(ctx) {
+  const devicePixelRatio = window.devicePixelRatio || 1;
+  const backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
+  const pixelRatio = devicePixelRatio / backingStoreRatio;
+  return {
+    sx: pixelRatio,
+    sy: pixelRatio,
+    scaled: pixelRatio !== 1
+  };
+}
+
+function scrollIntoView(element, spot, skipOverflowHiddenElements = false) {
+  let parent = element.offsetParent;
+
+  if (!parent) {
+    console.error("offsetParent is not set -- cannot scroll");
+    return;
+  }
+
+  let offsetY = element.offsetTop + element.clientTop;
+  let offsetX = element.offsetLeft + element.clientLeft;
+
+  while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
+    if (parent.dataset._scaleY) {
+      offsetY /= parent.dataset._scaleY;
+      offsetX /= parent.dataset._scaleX;
+    }
+
+    offsetY += parent.offsetTop;
+    offsetX += parent.offsetLeft;
+    parent = parent.offsetParent;
+
+    if (!parent) {
+      return;
+    }
+  }
+
+  if (spot) {
+    if (spot.top !== undefined) {
+      offsetY += spot.top;
+    }
+
+    if (spot.left !== undefined) {
+      offsetX += spot.left;
+      parent.scrollLeft = offsetX;
+    }
+  }
+
+  parent.scrollTop = offsetY;
+}
+
+function watchScroll(viewAreaElement, callback) {
+  const debounceScroll = function (evt) {
+    if (rAF) {
+      return;
+    }
+
+    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+      rAF = null;
+      const currentX = viewAreaElement.scrollLeft;
+      const lastX = state.lastX;
+
+      if (currentX !== lastX) {
+        state.right = currentX > lastX;
+      }
+
+      state.lastX = currentX;
+      const currentY = viewAreaElement.scrollTop;
+      const lastY = state.lastY;
+
+      if (currentY !== lastY) {
+        state.down = currentY > lastY;
+      }
+
+      state.lastY = currentY;
+      callback(state);
+    });
+  };
+
+  const state = {
+    right: true,
+    down: true,
+    lastX: viewAreaElement.scrollLeft,
+    lastY: viewAreaElement.scrollTop,
+    _eventHandler: debounceScroll
+  };
+  let rAF = null;
+  viewAreaElement.addEventListener("scroll", debounceScroll, true);
+  return state;
+}
+
+function parseQueryString(query) {
+  const parts = query.split("&");
+  const params = Object.create(null);
+
+  for (let i = 0, ii = parts.length; i < ii; ++i) {
+    const param = parts[i].split("=");
+    const key = param[0].toLowerCase();
+    const value = param.length > 1 ? param[1] : null;
+    params[decodeURIComponent(key)] = decodeURIComponent(value);
+  }
+
+  return params;
+}
+
+function binarySearchFirstItem(items, condition) {
+  let minIndex = 0;
+  let maxIndex = items.length - 1;
+
+  if (maxIndex < 0 || !condition(items[maxIndex])) {
+    return items.length;
+  }
+
+  if (condition(items[minIndex])) {
+    return minIndex;
+  }
+
+  while (minIndex < maxIndex) {
+    const currentIndex = minIndex + maxIndex >> 1;
+    const currentItem = items[currentIndex];
+
+    if (condition(currentItem)) {
+      maxIndex = currentIndex;
+    } else {
+      minIndex = currentIndex + 1;
+    }
+  }
+
+  return minIndex;
+}
+
+function approximateFraction(x) {
+  if (Math.floor(x) === x) {
+    return [x, 1];
+  }
+
+  const xinv = 1 / x;
+  const limit = 8;
+
+  if (xinv > limit) {
+    return [1, limit];
+  } else if (Math.floor(xinv) === xinv) {
+    return [1, xinv];
+  }
+
+  const x_ = x > 1 ? xinv : x;
+  let a = 0,
+      b = 1,
+      c = 1,
+      d = 1;
+
+  while (true) {
+    const p = a + c,
+          q = b + d;
+
+    if (q > limit) {
+      break;
+    }
+
+    if (x_ <= p / q) {
+      c = p;
+      d = q;
+    } else {
+      a = p;
+      b = q;
+    }
+  }
+
+  let result;
+
+  if (x_ - a / b < c / d - x_) {
+    result = x_ === x ? [a, b] : [b, a];
+  } else {
+    result = x_ === x ? [c, d] : [d, c];
+  }
+
+  return result;
+}
+
+function roundToDivide(x, div) {
+  const r = x % div;
+  return r === 0 ? x : Math.round(x - r + div);
+}
+
+function getPageSizeInches({
+  view,
+  userUnit,
+  rotate
+}) {
+  const [x1, y1, x2, y2] = view;
+  const changeOrientation = rotate % 180 !== 0;
+  const width = (x2 - x1) / 72 * userUnit;
+  const height = (y2 - y1) / 72 * userUnit;
+  return {
+    width: changeOrientation ? height : width,
+    height: changeOrientation ? width : height
+  };
+}
+
+function backtrackBeforeAllVisibleElements(index, views, top) {
+  if (index < 2) {
+    return index;
+  }
+
+  let elt = views[index].div;
+  let pageTop = elt.offsetTop + elt.clientTop;
+
+  if (pageTop >= top) {
+    elt = views[index - 1].div;
+    pageTop = elt.offsetTop + elt.clientTop;
+  }
+
+  for (let i = index - 2; i >= 0; --i) {
+    elt = views[i].div;
+
+    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+      break;
+    }
+
+    index = i;
+  }
+
+  return index;
+}
+
+function getVisibleElements(scrollEl, views, sortByVisibility = false, horizontal = false) {
+  const top = scrollEl.scrollTop,
+        bottom = top + scrollEl.clientHeight;
+  const left = scrollEl.scrollLeft,
+        right = left + scrollEl.clientWidth;
+
+  function isElementBottomAfterViewTop(view) {
+    const element = view.div;
+    const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+    return elementBottom > top;
+  }
+
+  function isElementRightAfterViewLeft(view) {
+    const element = view.div;
+    const elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
+    return elementRight > left;
+  }
+
+  const visible = [],
+        numViews = views.length;
+  let firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
+
+  if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+    firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+  }
+
+  let lastEdge = horizontal ? right : -1;
+
+  for (let i = firstVisibleElementInd; i < numViews; i++) {
+    const view = views[i],
+          element = view.div;
+    const currentWidth = element.offsetLeft + element.clientLeft;
+    const currentHeight = element.offsetTop + element.clientTop;
+    const viewWidth = element.clientWidth,
+          viewHeight = element.clientHeight;
+    const viewRight = currentWidth + viewWidth;
+    const viewBottom = currentHeight + viewHeight;
+
+    if (lastEdge === -1) {
+      if (viewBottom >= bottom) {
+        lastEdge = viewBottom;
+      }
+    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+      break;
+    }
+
+    if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+      continue;
+    }
+
+    const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
+    const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
+    const percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
+    visible.push({
+      id: view.id,
+      x: currentWidth,
+      y: currentHeight,
+      view,
+      percent
+    });
+  }
+
+  const first = visible[0],
+        last = visible[visible.length - 1];
+
+  if (sortByVisibility) {
+    visible.sort(function (a, b) {
+      const pc = a.percent - b.percent;
+
+      if (Math.abs(pc) > 0.001) {
+        return -pc;
+      }
+
+      return a.id - b.id;
+    });
+  }
+
+  return {
+    first,
+    last,
+    views: visible
+  };
+}
+
+function noContextMenuHandler(evt) {
+  evt.preventDefault();
+}
+
+function isDataSchema(url) {
+  let i = 0;
+  const ii = url.length;
+
+  while (i < ii && url[i].trim() === "") {
+    i++;
+  }
+
+  return url.substring(i, i + 5).toLowerCase() === "data:";
+}
+
+function getPDFFileNameFromURL(url, defaultFilename = "document.pdf") {
+  if (typeof url !== "string") {
+    return defaultFilename;
+  }
+
+  if (isDataSchema(url)) {
+    console.warn("getPDFFileNameFromURL: " + 'ignoring "data:" URL for performance reasons.');
+    return defaultFilename;
+  }
+
+  const reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
+  const reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
+  const splitURI = reURI.exec(url);
+  let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
+
+  if (suggestedFilename) {
+    suggestedFilename = suggestedFilename[0];
+
+    if (suggestedFilename.includes("%")) {
+      try {
+        suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
+      } catch (ex) {}
+    }
+  }
+
+  return suggestedFilename || defaultFilename;
+}
+
+function normalizeWheelEventDirection(evt) {
+  let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
+  const angle = Math.atan2(evt.deltaY, evt.deltaX);
+
+  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+    delta = -delta;
+  }
+
+  return delta;
+}
+
+function normalizeWheelEventDelta(evt) {
+  let delta = normalizeWheelEventDirection(evt);
+  const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
+  const MOUSE_DOM_DELTA_LINE_MODE = 1;
+  const MOUSE_PIXELS_PER_LINE = 30;
+  const MOUSE_LINES_PER_PAGE = 30;
+
+  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
+    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
+    delta /= MOUSE_LINES_PER_PAGE;
+  }
+
+  return delta;
+}
+
+function isValidRotation(angle) {
+  return Number.isInteger(angle) && angle % 90 === 0;
+}
+
+function isValidScrollMode(mode) {
+  return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+
+function isValidSpreadMode(mode) {
+  return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+
+function isPortraitOrientation(size) {
+  return size.width <= size.height;
+}
+
+const WaitOnType = {
+  EVENT: "event",
+  TIMEOUT: "timeout"
+};
+exports.WaitOnType = WaitOnType;
+
+function waitOnEventOrTimeout({
+  target,
+  name,
+  delay = 0
+}) {
+  return new Promise(function (resolve, reject) {
+    if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+      throw new Error("waitOnEventOrTimeout - invalid parameters.");
+    }
+
+    function handler(type) {
+      if (target instanceof EventBus) {
+        target._off(name, eventHandler);
+      } else {
+        target.removeEventListener(name, eventHandler);
+      }
+
+      if (timeout) {
+        clearTimeout(timeout);
+      }
+
+      resolve(type);
+    }
+
+    const eventHandler = handler.bind(null, WaitOnType.EVENT);
+
+    if (target instanceof EventBus) {
+      target._on(name, eventHandler);
+    } else {
+      target.addEventListener(name, eventHandler);
+    }
+
+    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
+    const timeout = setTimeout(timeoutHandler, delay);
+  });
+}
+
+const animationStarted = new Promise(function (resolve) {
+  window.requestAnimationFrame(resolve);
+});
+exports.animationStarted = animationStarted;
+
+function dispatchDOMEvent(eventName, args = null) {
+  throw new Error("Not implemented: dispatchDOMEvent");
+}
+
+class EventBus {
+  constructor(options) {
+    this._listeners = Object.create(null);
+  }
+
+  on(eventName, listener) {
+    this._on(eventName, listener, {
+      external: true
+    });
+  }
+
+  off(eventName, listener) {
+    this._off(eventName, listener, {
+      external: true
+    });
+  }
+
+  dispatch(eventName) {
+    const eventListeners = this._listeners[eventName];
+
+    if (!eventListeners || eventListeners.length === 0) {
+      return;
+    }
+
+    const args = Array.prototype.slice.call(arguments, 1);
+    let externalListeners;
+    eventListeners.slice(0).forEach(function ({
+      listener,
+      external
+    }) {
+      if (external) {
+        if (!externalListeners) {
+          externalListeners = [];
+        }
+
+        externalListeners.push(listener);
+        return;
+      }
+
+      listener.apply(null, args);
+    });
+
+    if (externalListeners) {
+      externalListeners.forEach(function (listener) {
+        listener.apply(null, args);
+      });
+      externalListeners = null;
+    }
+  }
+
+  _on(eventName, listener, options = null) {
+    let eventListeners = this._listeners[eventName];
+
+    if (!eventListeners) {
+      this._listeners[eventName] = eventListeners = [];
+    }
+
+    eventListeners.push({
+      listener,
+      external: (options && options.external) === true
+    });
+  }
+
+  _off(eventName, listener, options = null) {
+    const eventListeners = this._listeners[eventName];
+
+    if (!eventListeners) {
+      return;
+    }
+
+    for (let i = 0, ii = eventListeners.length; i < ii; i++) {
+      if (eventListeners[i].listener === listener) {
+        eventListeners.splice(i, 1);
+        return;
+      }
+    }
+  }
+
+}
+
+exports.EventBus = EventBus;
+
+function clamp(v, min, max) {
+  return Math.min(Math.max(v, min), max);
+}
+
+class ProgressBar {
+  constructor(id, {
+    height,
+    width,
+    units
+  } = {}) {
+    this.visible = true;
+    this.div = document.querySelector(id + " .progress");
+    this.bar = this.div.parentNode;
+    this.height = height || 100;
+    this.width = width || 100;
+    this.units = units || "%";
+    this.div.style.height = this.height + this.units;
+    this.percent = 0;
+  }
+
+  _updateBar() {
+    if (this._indeterminate) {
+      this.div.classList.add("indeterminate");
+      this.div.style.width = this.width + this.units;
+      return;
+    }
+
+    this.div.classList.remove("indeterminate");
+    const progressSize = this.width * this._percent / 100;
+    this.div.style.width = progressSize + this.units;
+  }
+
+  get percent() {
+    return this._percent;
+  }
+
+  set percent(val) {
+    this._indeterminate = isNaN(val);
+    this._percent = clamp(val, 0, 100);
+
+    this._updateBar();
+  }
+
+  setWidth(viewer) {
+    if (!viewer) {
+      return;
+    }
+
+    const container = viewer.parentNode;
+    const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+
+    if (scrollbarWidth > 0) {
+      this.bar.style.width = `calc(100% - ${scrollbarWidth}px)`;
+    }
+  }
+
+  hide() {
+    if (!this.visible) {
+      return;
+    }
+
+    this.visible = false;
+    this.bar.classList.add("hidden");
+    document.body.classList.remove("loadingInProgress");
+  }
+
+  show() {
+    if (this.visible) {
+      return;
+    }
+
+    this.visible = true;
+    document.body.classList.add("loadingInProgress");
+    this.bar.classList.remove("hidden");
+  }
+
+}
+
+exports.ProgressBar = ProgressBar;
+
+function moveToEndOfArray(arr, condition) {
+  const moved = [],
+        len = arr.length;
+  let write = 0;
+
+  for (let read = 0; read < len; ++read) {
+    if (condition(arr[read])) {
+      moved.push(arr[read]);
+    } else {
+      arr[write] = arr[read];
+      ++write;
+    }
+  }
+
+  for (let read = 0; write < len; ++read, ++write) {
+    arr[write] = moved[read];
+  }
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/view_history.js b/node_modules/pdfjs-dist/lib/web/view_history.js
new file mode 100644
index 00000000..87440dc8
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/view_history.js
@@ -0,0 +1,111 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ViewHistory = void 0;
+const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
+
+class ViewHistory {
+  constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
+    this.fingerprint = fingerprint;
+    this.cacheSize = cacheSize;
+    this._initializedPromise = this._readFromStorage().then(databaseStr => {
+      const database = JSON.parse(databaseStr || "{}");
+      let index = -1;
+
+      if (!Array.isArray(database.files)) {
+        database.files = [];
+      } else {
+        while (database.files.length >= this.cacheSize) {
+          database.files.shift();
+        }
+
+        for (let i = 0, ii = database.files.length; i < ii; i++) {
+          const branch = database.files[i];
+
+          if (branch.fingerprint === this.fingerprint) {
+            index = i;
+            break;
+          }
+        }
+      }
+
+      if (index === -1) {
+        index = database.files.push({
+          fingerprint: this.fingerprint
+        }) - 1;
+      }
+
+      this.file = database.files[index];
+      this.database = database;
+    });
+  }
+
+  async _writeToStorage() {
+    const databaseStr = JSON.stringify(this.database);
+    localStorage.setItem("pdfjs.history", databaseStr);
+  }
+
+  async _readFromStorage() {
+    return localStorage.getItem("pdfjs.history");
+  }
+
+  async set(name, val) {
+    await this._initializedPromise;
+    this.file[name] = val;
+    return this._writeToStorage();
+  }
+
+  async setMultiple(properties) {
+    await this._initializedPromise;
+
+    for (const name in properties) {
+      this.file[name] = properties[name];
+    }
+
+    return this._writeToStorage();
+  }
+
+  async get(name, defaultValue) {
+    await this._initializedPromise;
+    const val = this.file[name];
+    return val !== undefined ? val : defaultValue;
+  }
+
+  async getMultiple(properties) {
+    await this._initializedPromise;
+    const values = Object.create(null);
+
+    for (const name in properties) {
+      const val = this.file[name];
+      values[name] = val !== undefined ? val : properties[name];
+    }
+
+    return values;
+  }
+
+}
+
+exports.ViewHistory = ViewHistory;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/lib/web/viewer_compatibility.js b/node_modules/pdfjs-dist/lib/web/viewer_compatibility.js
new file mode 100644
index 00000000..c45f8611
--- /dev/null
+++ b/node_modules/pdfjs-dist/lib/web/viewer_compatibility.js
@@ -0,0 +1,51 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.viewerCompatibilityParams = void 0;
+const compatibilityParams = Object.create(null);
+{
+  const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  const platform = typeof navigator !== "undefined" && navigator.platform || "";
+  const maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
+  const isAndroid = /Android/.test(userAgent);
+  const isIE = /Trident/.test(userAgent);
+  const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+  const isIOSChrome = /CriOS/.test(userAgent);
+
+  (function checkOnBlobSupport() {
+    if (isIE || isIOSChrome) {
+      compatibilityParams.disableCreateObjectURL = true;
+    }
+  })();
+
+  (function checkCanvasSizeLimitation() {
+    if (isIOS || isAndroid) {
+      compatibilityParams.maxCanvasPixels = 5242880;
+    }
+  })();
+}
+const viewerCompatibilityParams = Object.freeze(compatibilityParams);
+exports.viewerCompatibilityParams = viewerCompatibilityParams;
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/package.json b/node_modules/pdfjs-dist/package.json
new file mode 100644
index 00000000..3f8a01ab
--- /dev/null
+++ b/node_modules/pdfjs-dist/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "pdfjs-dist",
+  "version": "2.6.347",
+  "main": "build/pdf.js",
+  "types": "types/pdf.d.ts",
+  "description": "Generic build of Mozilla's PDF.js library.",
+  "keywords": [
+    "Mozilla",
+    "pdf",
+    "pdf.js"
+  ],
+  "homepage": "http://mozilla.github.io/pdf.js/",
+  "bugs": "https://github.com/mozilla/pdf.js/issues",
+  "license": "Apache-2.0",
+  "browser": {
+    "canvas": false,
+    "fs": false,
+    "http": false,
+    "https": false,
+    "url": false,
+    "zlib": false
+  },
+  "format": "amd",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mozilla/pdfjs-dist"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/types/display/annotation_layer.d.ts b/node_modules/pdfjs-dist/types/display/annotation_layer.d.ts
new file mode 100644
index 00000000..75cede66
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/annotation_layer.d.ts
@@ -0,0 +1,61 @@
+export type AnnotationElementParameters = {
+    data: Object;
+    layer: HTMLDivElement;
+    page: any;
+    viewport: any;
+    linkService: any;
+    downloadManager: any;
+    annotationStorage?: AnnotationStorage;
+    /**
+     * - Path for image resources, mainly
+     * for annotation icons. Include trailing slash.
+     */
+    imageResourcesPath?: string;
+    renderInteractiveForms: boolean;
+    svgFactory: Object;
+};
+export type AnnotationLayerParameters = {
+    viewport: any;
+    div: HTMLDivElement;
+    annotations: any[];
+    page: any;
+    linkService: any;
+    downloadManager: any;
+    /**
+     * - Path for image resources, mainly
+     * for annotation icons. Include trailing slash.
+     */
+    imageResourcesPath?: string;
+    renderInteractiveForms: boolean;
+};
+/**
+ * @typedef {Object} AnnotationLayerParameters
+ * @property {PageViewport} viewport
+ * @property {HTMLDivElement} div
+ * @property {Array} annotations
+ * @property {PDFPage} page
+ * @property {IPDFLinkService} linkService
+ * @property {DownloadManager} downloadManager
+ * @property {string} [imageResourcesPath] - Path for image resources, mainly
+ *   for annotation icons. Include trailing slash.
+ * @property {boolean} renderInteractiveForms
+ */
+export class AnnotationLayer {
+    /**
+     * Render a new annotation layer with all annotation elements.
+     *
+     * @public
+     * @param {AnnotationLayerParameters} parameters
+     * @memberof AnnotationLayer
+     */
+    public static render(parameters: AnnotationLayerParameters): void;
+    /**
+     * Update the annotation elements on existing annotation layer.
+     *
+     * @public
+     * @param {AnnotationLayerParameters} parameters
+     * @memberof AnnotationLayer
+     */
+    public static update(parameters: AnnotationLayerParameters): void;
+}
+import { AnnotationStorage } from "./annotation_storage.js";
diff --git a/node_modules/pdfjs-dist/types/display/annotation_storage.d.ts b/node_modules/pdfjs-dist/types/display/annotation_storage.d.ts
new file mode 100644
index 00000000..268cdffd
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/annotation_storage.d.ts
@@ -0,0 +1,36 @@
+/**
+ * Key/value storage for annotation data in forms.
+ */
+export class AnnotationStorage {
+    _storage: Map<any, any>;
+    _modified: boolean;
+    onSetModified: any;
+    onResetModified: any;
+    /**
+     * Get the value for a given key if it exists
+     * or store and return the default value
+     *
+     * @public
+     * @memberof AnnotationStorage
+     * @param {string} key
+     * @param {Object} defaultValue
+     * @returns {Object}
+     */
+    public getOrCreateValue(key: string, defaultValue: Object): Object;
+    /**
+     * Set the value for a given key
+     *
+     * @public
+     * @memberof AnnotationStorage
+     * @param {string} key
+     * @param {Object} value
+     */
+    public setValue(key: string, value: Object): void;
+    getAll(): any;
+    get size(): number;
+    /**
+     * @private
+     */
+    private _setModified;
+    resetModified(): void;
+}
diff --git a/node_modules/pdfjs-dist/types/display/api.d.ts b/node_modules/pdfjs-dist/types/display/api.d.ts
new file mode 100644
index 00000000..7e622e5f
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/api.d.ts
@@ -0,0 +1,1107 @@
+export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array;
+/**
+ * Document initialization / loading parameters object.
+ */
+export type DocumentInitParameters = {
+    /**
+     * - The URL of the PDF.
+     */
+    url?: string;
+    /**
+     * - Binary PDF data. Use
+     * typed arrays (Uint8Array) to improve the memory usage. If PDF data is
+     * BASE64-encoded, use `atob()` to convert it to a binary string first.
+     */
+    data?: TypedArray | Array<number> | string;
+    /**
+     * - Basic authentication headers.
+     */
+    httpHeaders?: Object;
+    /**
+     * - Indicates whether or not
+     * cross-site Access-Control requests should be made using credentials such
+     * as cookies or authorization headers. The default is `false`.
+     */
+    withCredentials?: boolean;
+    /**
+     * - For decrypting password-protected PDFs.
+     */
+    password?: string;
+    /**
+     * - A typed array with the first portion
+     * or all of the pdf data. Used by the extension since some data is already
+     * loaded before the switch to range requests.
+     */
+    initialData?: TypedArray;
+    /**
+     * - The PDF file length. It's used for progress
+     * reports and range requests operations.
+     */
+    length?: number;
+    /**
+     * - Allows for using a custom range
+     * transport implementation.
+     */
+    range?: PDFDataRangeTransport;
+    /**
+     * - Specify maximum number of bytes fetched
+     * per range request. The default value is {@link DEFAULT_RANGE_CHUNK_SIZE}.
+     */
+    rangeChunkSize?: number;
+    /**
+     * - The worker that will be used for loading and
+     * parsing the PDF data.
+     */
+    worker?: any;
+    /**
+     * - Controls the logging level; the constants
+     * from {@link VerbosityLevel} should be used.
+     */
+    verbosity?: number;
+    /**
+     * - The base URL of the document, used when
+     * attempting to recover valid absolute URLs for annotations, and outline
+     * items, that (incorrectly) only specify relative URLs.
+     */
+    docBaseUrl?: string;
+    /**
+     * - The URL where the predefined Adobe CMaps are
+     * located. Include the trailing slash.
+     */
+    cMapUrl?: string;
+    /**
+     * - Specifies if the Adobe CMaps are binary
+     * packed or not.
+     */
+    cMapPacked?: boolean;
+    /**
+     * - The factory that will be used when
+     * reading built-in CMap files. Providing a custom factory is useful for
+     * environments without Fetch API or `XMLHttpRequest` support, such as
+     * Node.js. The default value is {DOMCMapReaderFactory}.
+     */
+    CMapReaderFactory?: Object;
+    /**
+     * - Reject certain promises, e.g.
+     * `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated
+     * PDF data cannot be successfully parsed, instead of attempting to recover
+     * whatever possible of the data. The default value is `false`.
+     */
+    stopAtErrors?: boolean;
+    /**
+     * - The maximum allowed image size in total
+     * pixels, i.e. width * height. Images above this value will not be rendered.
+     * Use -1 for no limit, which is also the default value.
+     */
+    maxImageSize?: number;
+    /**
+     * - Determines if we can evaluate strings
+     * as JavaScript. Primarily used to improve performance of font rendering, and
+     * when parsing PDF functions. The default value is `true`.
+     */
+    isEvalSupported?: boolean;
+    /**
+     * - By default fonts are converted to
+     * OpenType fonts and loaded via `@font-face` rules. If disabled, fonts will
+     * be rendered using a built-in font renderer that constructs the glyphs with
+     * primitive path commands. The default value is `false`.
+     */
+    disableFontFace?: boolean;
+    /**
+     * - Include additional properties,
+     * which are unused during rendering of PDF documents, when exporting the
+     * parsed font data from the worker-thread. This may be useful for debugging
+     * purposes (and backwards compatibility), but note that it will lead to
+     * increased memory usage. The default value is `false`.
+     */
+    fontExtraProperties?: boolean;
+    /**
+     * - Specify an explicit document
+     * context to create elements with and to load resources, such as fonts,
+     * into. Defaults to the current document.
+     */
+    ownerDocument?: HTMLDocument;
+    /**
+     * - Disable range request loading of PDF
+     * files. When enabled, and if the server supports partial content requests,
+     * then the PDF will be fetched in chunks. The default value is `false`.
+     */
+    disableRange?: boolean;
+    /**
+     * - Disable streaming of PDF file data.
+     * By default PDF.js attempts to load PDF files in chunks. The default value
+     * is `false`.
+     */
+    disableStream?: boolean;
+    /**
+     * - Disable pre-fetching of PDF file
+     * data. When range requests are enabled PDF.js will automatically keep
+     * fetching more data even if it isn't needed to display the current page.
+     * The default value is `false`.
+     *
+     * NOTE: It is also necessary to disable streaming, see above, in order for
+     * disabling of pre-fetching to work correctly.
+     */
+    disableAutoFetch?: boolean;
+    /**
+     * - Enables special hooks for debugging PDF.js
+     * (see `web/debugger.js`). The default value is `false`.
+     */
+    pdfBug?: boolean;
+};
+export type PDFDocumentStats = {
+    /**
+     * - Used stream types in the
+     * document (an item is set to true if specific stream ID was used in the
+     * document).
+     */
+    streamTypes: {
+        [x: string]: boolean;
+    };
+    /**
+     * - Used font types in the
+     * document (an item is set to true if specific font ID was used in the
+     * document).
+     */
+    fontTypes: {
+        [x: string]: boolean;
+    };
+};
+export type IPDFStreamFactory = Function;
+/**
+ * The loading task controls the operations required to load a PDF document
+ * (such as network requests) and provides a way to listen for completion,
+ * after which individual pages can be rendered.
+ */
+export type PDFDocumentLoadingTask = {
+    /**
+     * - Unique identifier for the document loading task.
+     */
+    docId: string;
+    /**
+     * - Whether the loading task is destroyed or not.
+     */
+    destroyed: boolean;
+    /**
+     * - Callback to request a password if a wrong
+     * or no password was provided. The callback receives two parameters: a
+     * function that should be called with the new password, and a reason (see
+     * {@link PasswordResponses}).
+     */
+    onPassword?: Function;
+    /**
+     * - Callback to be able to monitor the
+     * loading progress of the PDF file (necessary to implement e.g. a loading
+     * bar). The callback receives an {Object} with the properties `loaded`
+     * ({number}) and `total` ({number}) that indicate how many bytes are loaded.
+     */
+    onProgress?: Function;
+    /**
+     * - Callback for when an
+     * unsupported feature is used in the PDF document. The callback receives an
+     * {@link UNSUPPORTED_FEATURES} argument.
+     */
+    onUnsupportedFeature?: Function;
+    /**
+     * - Promise for document loading
+     * task completion.
+     */
+    promise: Promise<PDFDocumentProxy>;
+    /**
+     * - Abort all network requests and destroy
+     * the worker. Returns a promise that is resolved when destruction is
+     * completed.
+     */
+    destroy: Function;
+};
+/**
+ * Page getViewport parameters.
+ */
+export type GetViewportParameters = {
+    /**
+     * - The desired scale of the viewport.
+     */
+    scale: number;
+    /**
+     * - The desired rotation, in degrees, of
+     * the viewport. If omitted it defaults to the page rotation.
+     */
+    rotation?: number;
+    /**
+     * - The horizontal, i.e. x-axis, offset.
+     * The default value is `0`.
+     */
+    offsetX?: number;
+    /**
+     * - The vertical, i.e. y-axis, offset.
+     * The default value is `0`.
+     */
+    offsetY?: number;
+    /**
+     * - If true, the y-axis will not be
+     * flipped. The default value is `false`.
+     */
+    dontFlip?: boolean;
+};
+/**
+ * Page getTextContent parameters.
+ */
+export type getTextContentParameters = {
+    /**
+     * - Replaces all occurrences of
+     * whitespace with standard spaces (0x20). The default value is `false`.
+     */
+    normalizeWhitespace: boolean;
+    /**
+     * - Do not attempt to combine
+     * same line {@link TextItem}'s. The default value is `false`.
+     */
+    disableCombineTextItems: boolean;
+};
+/**
+ * Page text content.
+ */
+export type TextContent = {
+    /**
+     * - Array of {@link TextItem} objects.
+     */
+    items: Array<TextItem>;
+    /**
+     * - {@link TextStyle} objects,
+     * indexed by font name.
+     */
+    styles: {
+        [x: string]: TextStyle;
+    };
+};
+/**
+ * Page text content part.
+ */
+export type TextItem = {
+    /**
+     * - Text content.
+     */
+    str: string;
+    /**
+     * - Text direction: 'ttb', 'ltr' or 'rtl'.
+     */
+    dir: string;
+    /**
+     * - Transformation matrix.
+     */
+    transform: Array<any>;
+    /**
+     * - Width in device space.
+     */
+    width: number;
+    /**
+     * - Height in device space.
+     */
+    height: number;
+    /**
+     * - Font name used by PDF.js for converted font.
+     */
+    fontName: string;
+};
+/**
+ * Text style.
+ */
+export type TextStyle = {
+    /**
+     * - Font ascent.
+     */
+    ascent: number;
+    /**
+     * - Font descent.
+     */
+    descent: number;
+    /**
+     * - Whether or not the text is in vertical mode.
+     */
+    vertical: boolean;
+    /**
+     * - The possible font family.
+     */
+    fontFamily: string;
+};
+/**
+ * Page annotation parameters.
+ */
+export type GetAnnotationsParameters = {
+    /**
+     * - Determines the annotations that will be fetched,
+     * can be either 'display' (viewable annotations) or 'print' (printable
+     * annotations). If the parameter is omitted, all annotations are fetched.
+     */
+    intent: string;
+};
+/**
+ * Page render parameters.
+ */
+export type RenderParameters = {
+    /**
+     * - A 2D context of a DOM Canvas object.
+     */
+    canvasContext: Object;
+    /**
+     * - Rendering viewport obtained by calling
+     * the `PDFPageProxy.getViewport` method.
+     */
+    viewport: PageViewport;
+    /**
+     * - Rendering intent, can be 'display' or 'print'.
+     * The default value is 'display'.
+     */
+    intent?: string;
+    /**
+     * - Enables WebGL accelerated rendering for
+     * some operations. The default value is `false`.
+     */
+    enableWebGL?: boolean;
+    /**
+     * - Whether or not interactive
+     * form elements are rendered in the display layer. If so, we do not render
+     * them on the canvas as well.
+     */
+    renderInteractiveForms?: boolean;
+    /**
+     * - Additional transform, applied just
+     * before viewport transform.
+     */
+    transform?: Array<any>;
+    /**
+     * - An object that has `beginLayout`,
+     * `endLayout` and `appendImage` functions.
+     */
+    imageLayer?: Object;
+    /**
+     * - The factory instance that will be used
+     * when creating canvases. The default value is {new DOMCanvasFactory()}.
+     */
+    canvasFactory?: Object;
+    /**
+     * - Background to use for the canvas.
+     * Any valid `canvas.fillStyle` can be used: a `DOMString` parsed as CSS
+     * <color> value, a `CanvasGradient` object (a linear or radial gradient) or
+     * a `CanvasPattern` object (a repetitive image). The default value is
+     * 'rgb(255,255,255)'.
+     */
+    background?: Object | string;
+    /**
+     * - Storage for annotation
+     * data in forms.
+     */
+    annotationStorage?: AnnotationStorage;
+    /**
+     * -
+     * A promise that should resolve with an {@link OptionalContentConfig}
+     * created from `PDFDocumentProxy.getOptionalContentConfig`. If `null`,
+     * the configuration will be fetched automatically with the default visibility
+     * states set.
+     */
+    optionalContentConfigPromise?: Promise<OptionalContentConfig>;
+};
+/**
+ * PDF page operator list.
+ */
+export type PDFOperatorList = {
+    /**
+     * - Array containing the operator functions.
+     */
+    fnArray: Array<number>;
+    /**
+     * - Array containing the arguments of the
+     * functions.
+     */
+    argsArray: Array<any>;
+};
+export type PDFWorkerParameters = {
+    /**
+     * - The name of the worker.
+     */
+    name?: string;
+    /**
+     * - The `workerPort` object.
+     */
+    port?: Object;
+    /**
+     * - Controls the logging level; the
+     * constants from {@link VerbosityLevel} should be used.
+     */
+    verbosity?: number;
+};
+/**
+ * @typedef { Int8Array | Uint8Array | Uint8ClampedArray |
+ *            Int16Array | Uint16Array |
+ *            Int32Array | Uint32Array | Float32Array |
+ *            Float64Array
+ * } TypedArray
+ */
+/**
+ * Document initialization / loading parameters object.
+ *
+ * @typedef {Object} DocumentInitParameters
+ * @property {string} [url] - The URL of the PDF.
+ * @property {TypedArray|Array<number>|string} [data] - Binary PDF data. Use
+ *    typed arrays (Uint8Array) to improve the memory usage. If PDF data is
+ *    BASE64-encoded, use `atob()` to convert it to a binary string first.
+ * @property {Object} [httpHeaders] - Basic authentication headers.
+ * @property {boolean} [withCredentials] - Indicates whether or not
+ *   cross-site Access-Control requests should be made using credentials such
+ *   as cookies or authorization headers. The default is `false`.
+ * @property {string} [password] - For decrypting password-protected PDFs.
+ * @property {TypedArray} [initialData] - A typed array with the first portion
+ *   or all of the pdf data. Used by the extension since some data is already
+ *   loaded before the switch to range requests.
+ * @property {number} [length] - The PDF file length. It's used for progress
+ *   reports and range requests operations.
+ * @property {PDFDataRangeTransport} [range] - Allows for using a custom range
+ *   transport implementation.
+ * @property {number} [rangeChunkSize] - Specify maximum number of bytes fetched
+ *   per range request. The default value is {@link DEFAULT_RANGE_CHUNK_SIZE}.
+ * @property {PDFWorker} [worker] - The worker that will be used for loading and
+ *   parsing the PDF data.
+ * @property {number} [verbosity] - Controls the logging level; the constants
+ *   from {@link VerbosityLevel} should be used.
+ * @property {string} [docBaseUrl] - The base URL of the document, used when
+ *   attempting to recover valid absolute URLs for annotations, and outline
+ *   items, that (incorrectly) only specify relative URLs.
+ * @property {string} [cMapUrl] - The URL where the predefined Adobe CMaps are
+ *   located. Include the trailing slash.
+ * @property {boolean} [cMapPacked] - Specifies if the Adobe CMaps are binary
+ *   packed or not.
+ * @property {Object} [CMapReaderFactory] - The factory that will be used when
+ *   reading built-in CMap files. Providing a custom factory is useful for
+ *   environments without Fetch API or `XMLHttpRequest` support, such as
+ *   Node.js. The default value is {DOMCMapReaderFactory}.
+ * @property {boolean} [stopAtErrors] - Reject certain promises, e.g.
+ *   `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated
+ *   PDF data cannot be successfully parsed, instead of attempting to recover
+ *   whatever possible of the data. The default value is `false`.
+ * @property {number} [maxImageSize] - The maximum allowed image size in total
+ *   pixels, i.e. width * height. Images above this value will not be rendered.
+ *   Use -1 for no limit, which is also the default value.
+ * @property {boolean} [isEvalSupported] - Determines if we can evaluate strings
+ *   as JavaScript. Primarily used to improve performance of font rendering, and
+ *   when parsing PDF functions. The default value is `true`.
+ * @property {boolean} [disableFontFace] - By default fonts are converted to
+ *   OpenType fonts and loaded via `@font-face` rules. If disabled, fonts will
+ *   be rendered using a built-in font renderer that constructs the glyphs with
+ *   primitive path commands. The default value is `false`.
+ * @property {boolean} [fontExtraProperties] - Include additional properties,
+ *   which are unused during rendering of PDF documents, when exporting the
+ *   parsed font data from the worker-thread. This may be useful for debugging
+ *   purposes (and backwards compatibility), but note that it will lead to
+ *   increased memory usage. The default value is `false`.
+ * @property {HTMLDocument} [ownerDocument] - Specify an explicit document
+ *   context to create elements with and to load resources, such as fonts,
+ *   into. Defaults to the current document.
+ * @property {boolean} [disableRange] - Disable range request loading of PDF
+ *   files. When enabled, and if the server supports partial content requests,
+ *   then the PDF will be fetched in chunks. The default value is `false`.
+ * @property {boolean} [disableStream] - Disable streaming of PDF file data.
+ *   By default PDF.js attempts to load PDF files in chunks. The default value
+ *   is `false`.
+ * @property {boolean} [disableAutoFetch] - Disable pre-fetching of PDF file
+ *   data. When range requests are enabled PDF.js will automatically keep
+ *   fetching more data even if it isn't needed to display the current page.
+ *   The default value is `false`.
+ *
+ *   NOTE: It is also necessary to disable streaming, see above, in order for
+ *   disabling of pre-fetching to work correctly.
+ * @property {boolean} [pdfBug] - Enables special hooks for debugging PDF.js
+ *   (see `web/debugger.js`). The default value is `false`.
+ */
+/**
+ * @typedef {Object} PDFDocumentStats
+ * @property {Object<string, boolean>} streamTypes - Used stream types in the
+ *   document (an item is set to true if specific stream ID was used in the
+ *   document).
+ * @property {Object<string, boolean>} fontTypes - Used font types in the
+ *   document (an item is set to true if specific font ID was used in the
+ *   document).
+ */
+/**
+ * This is the main entry point for loading a PDF and interacting with it.
+ *
+ * NOTE: If a URL is used to fetch the PDF data a standard Fetch API call (or
+ * XHR as fallback) is used, which means it must follow same origin rules,
+ * e.g. no cross-domain requests without CORS.
+ *
+ * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src -
+ *   Can be a URL to where a PDF file is located, a typed array (Uint8Array)
+ *   already populated with data or parameter object.
+ * @returns {PDFDocumentLoadingTask}
+ */
+export function getDocument(src: string | TypedArray | DocumentInitParameters | PDFDataRangeTransport): PDFDocumentLoadingTask;
+export class LoopbackPort {
+    constructor(defer?: boolean);
+    _listeners: any[];
+    _defer: boolean;
+    _deferred: Promise<undefined>;
+    postMessage(obj: any, transfers: any): void;
+    addEventListener(name: any, listener: any): void;
+    removeEventListener(name: any, listener: any): void;
+    terminate(): void;
+}
+/**
+ * Abstract class to support range requests file loading.
+ */
+export class PDFDataRangeTransport {
+    /**
+     * @param {number} length
+     * @param {Uint8Array} initialData
+     * @param {boolean} [progressiveDone]
+     */
+    constructor(length: number, initialData: Uint8Array, progressiveDone?: boolean | undefined);
+    length: number;
+    initialData: Uint8Array;
+    progressiveDone: boolean;
+    _rangeListeners: any[];
+    _progressListeners: any[];
+    _progressiveReadListeners: any[];
+    _progressiveDoneListeners: any[];
+    _readyCapability: import("../shared/util.js").PromiseCapability;
+    addRangeListener(listener: any): void;
+    addProgressListener(listener: any): void;
+    addProgressiveReadListener(listener: any): void;
+    addProgressiveDoneListener(listener: any): void;
+    onDataRange(begin: any, chunk: any): void;
+    onDataProgress(loaded: any, total: any): void;
+    onDataProgressiveRead(chunk: any): void;
+    onDataProgressiveDone(): void;
+    transportReady(): void;
+    requestDataRange(begin: any, end: any): void;
+    abort(): void;
+}
+/**
+ * @typedef {Object} PDFWorkerParameters
+ * @property {string} [name] - The name of the worker.
+ * @property {Object} [port] - The `workerPort` object.
+ * @property {number} [verbosity] - Controls the logging level; the
+ *   constants from {@link VerbosityLevel} should be used.
+ */
+/** @type {any} */
+export const PDFWorker: any;
+/**
+ * Proxy to a `PDFDocument` in the worker thread.
+ */
+export class PDFDocumentProxy {
+    constructor(pdfInfo: any, transport: any);
+    _pdfInfo: any;
+    _transport: any;
+    /**
+     * @type {AnnotationStorage} Storage for annotation data in forms.
+     */
+    get annotationStorage(): AnnotationStorage;
+    /**
+     * @type {number} Total number of pages in the PDF file.
+     */
+    get numPages(): number;
+    /**
+     * @type {string} A (not guaranteed to be) unique ID to identify a PDF.
+     */
+    get fingerprint(): string;
+    /**
+     * @param {number} pageNumber - The page number to get. The first page is 1.
+     * @returns {Promise<PDFPageProxy>} A promise that is resolved with
+     *   a {@link PDFPageProxy} object.
+     */
+    getPage(pageNumber: number): Promise<PDFPageProxy>;
+    /**
+     * @param {{num: number, gen: number}} ref - The page reference. Must have
+     *   the `num` and `gen` properties.
+     * @returns {Promise<{num: number, gen: number}>} A promise that is resolved
+     *   with the page index (starting from zero) that is associated with the
+     *   reference.
+     */
+    getPageIndex(ref: {
+        num: number;
+        gen: number;
+    }): Promise<{
+        num: number;
+        gen: number;
+    }>;
+    /**
+     * @returns {Promise<Object<string, Array<any>>>} A promise that is resolved
+     *   with a mapping from named destinations to references.
+     *
+     * This can be slow for large documents. Use `getDestination` instead.
+     */
+    getDestinations(): Promise<{
+        [x: string]: Array<any>;
+    }>;
+    /**
+     * @param {string} id - The named destination to get.
+     * @returns {Promise<Array<any>>} A promise that is resolved with all
+     *   information of the given named destination.
+     */
+    getDestination(id: string): Promise<Array<any>>;
+    /**
+     * @returns {Promise<Array<string> | null>} A promise that is resolved with
+     *   an {Array} containing the page labels that correspond to the page
+     *   indexes, or `null` when no page labels are present in the PDF file.
+     */
+    getPageLabels(): Promise<Array<string> | null>;
+    /**
+     * @returns {Promise<string>} A promise that is resolved with a {string}
+     *   containing the page layout name.
+     */
+    getPageLayout(): Promise<string>;
+    /**
+     * @returns {Promise<string>} A promise that is resolved with a {string}
+     *   containing the page mode name.
+     */
+    getPageMode(): Promise<string>;
+    /**
+     * @returns {Promise<Object | null>} A promise that is resolved with an
+     *   {Object} containing the viewer preferences, or `null` when no viewer
+     *   preferences are present in the PDF file.
+     */
+    getViewerPreferences(): Promise<Object | null>;
+    /**
+     * @returns {Promise<any | null>} A promise that is resolved with an {Array}
+     *   containing the destination, or `null` when no open action is present
+     *   in the PDF.
+     */
+    getOpenAction(): Promise<any | null>;
+    /**
+     * @returns {Promise<any>} A promise that is resolved with a lookup table
+     *   for mapping named attachments to their content.
+     */
+    getAttachments(): Promise<any>;
+    /**
+     * @returns {Promise<Array<string> | null>} A promise that is resolved with
+     *   an {Array} of all the JavaScript strings in the name tree, or `null`
+     *   if no JavaScript exists.
+     */
+    getJavaScript(): Promise<Array<string> | null>;
+    /**
+     * @typedef {Object} OutlineNode
+     * @property {string} title
+     * @property {boolean} bold
+     * @property {boolean} italic
+     * @property {Uint8ClampedArray} color - The color in RGB format to use for
+     *   display purposes.
+     * @property {string | Array<any> | null} dest
+     * @property {string | null} url
+     * @property {string | undefined} unsafeUrl
+     * @property {boolean | undefined} newWindow
+     * @property {number | undefined} count
+     * @property {Array<OutlineNode>} items
+     */
+    /**
+     * @returns {Promise<Array<OutlineNode>>} A promise that is resolved with an
+     *   {Array} that is a tree outline (if it has one) of the PDF file.
+     */
+    getOutline(): Promise<{
+        title: string;
+        bold: boolean;
+        italic: boolean;
+        /**
+         * - The color in RGB format to use for
+         * display purposes.
+         */
+        color: Uint8ClampedArray;
+        dest: string | Array<any> | null;
+        url: string | null;
+        unsafeUrl: string | undefined;
+        newWindow: boolean | undefined;
+        count: number | undefined;
+        items: any[];
+    }[]>;
+    /**
+     * @returns {Promise<OptionalContentConfig>} A promise that is resolved with
+     *   an {@link OptionalContentConfig} that contains all the optional content
+     *   groups (assuming that the document has any).
+     */
+    getOptionalContentConfig(): Promise<OptionalContentConfig>;
+    /**
+     * @returns {Promise<Array<number> | null>} A promise that is resolved with
+     *   an {Array} that contains the permission flags for the PDF document, or
+     *   `null` when no permissions are present in the PDF file.
+     */
+    getPermissions(): Promise<Array<number> | null>;
+    /**
+     * @returns {Promise<{ info: Object, metadata: Metadata }>} A promise that is
+     *   resolved with an {Object} that has `info` and `metadata` properties.
+     *   `info` is an {Object} filled with anything available in the information
+     *   dictionary and similarly `metadata` is a {Metadata} object with
+     *   information from the metadata section of the PDF.
+     */
+    getMetadata(): Promise<{
+        info: Object;
+        metadata: Metadata;
+    }>;
+    /**
+     * @returns {Promise<TypedArray>} A promise that is resolved with a
+     *   {TypedArray} that has the raw data from the PDF.
+     */
+    getData(): Promise<TypedArray>;
+    /**
+     * @returns {Promise<{ length: number }>} A promise that is resolved when the
+     *   document's data is loaded. It is resolved with an {Object} that contains
+     *   the `length` property that indicates size of the PDF data in bytes.
+     */
+    getDownloadInfo(): Promise<{
+        length: number;
+    }>;
+    /**
+     * @returns {Promise<PDFDocumentStats>} A promise this is resolved with
+     *   current statistics about document structures (see
+     *   {@link PDFDocumentStats}).
+     */
+    getStats(): Promise<PDFDocumentStats>;
+    /**
+     * Cleans up resources allocated by the document on both the main and worker
+     * threads.
+     *
+     * NOTE: Do not, under any circumstances, call this method when rendering is
+     * currently ongoing since that may lead to rendering errors.
+     *
+     * @returns {Promise} A promise that is resolved when clean-up has finished.
+     */
+    cleanup(): Promise<any>;
+    /**
+     * Destroys the current document instance and terminates the worker.
+     */
+    destroy(): any;
+    /**
+     * @type {DocumentInitParameters} A subset of the current
+     *   {DocumentInitParameters}, which are either needed in the viewer and/or
+     *   whose default values may be affected by the `apiCompatibilityParams`.
+     */
+    get loadingParams(): DocumentInitParameters;
+    /**
+     * @type {PDFDocumentLoadingTask} The loadingTask for the current document.
+     */
+    get loadingTask(): PDFDocumentLoadingTask;
+    /**
+     * @param {AnnotationStorage} annotationStorage - Storage for annotation
+     *   data in forms.
+     * @returns {Promise<Uint8Array>} A promise that is resolved with a
+     *   {Uint8Array} containing the full data of the saved document.
+     */
+    saveDocument(annotationStorage: AnnotationStorage): Promise<Uint8Array>;
+}
+/**
+ * Page getViewport parameters.
+ *
+ * @typedef {Object} GetViewportParameters
+ * @property {number} scale - The desired scale of the viewport.
+ * @property {number} [rotation] - The desired rotation, in degrees, of
+ *   the viewport. If omitted it defaults to the page rotation.
+ * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.
+ *   The default value is `0`.
+ * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.
+ *   The default value is `0`.
+ * @property {boolean} [dontFlip] - If true, the y-axis will not be
+ *   flipped. The default value is `false`.
+ */
+/**
+ * Page getTextContent parameters.
+ *
+ * @typedef {Object} getTextContentParameters
+ * @property {boolean} normalizeWhitespace - Replaces all occurrences of
+ *   whitespace with standard spaces (0x20). The default value is `false`.
+ * @property {boolean} disableCombineTextItems - Do not attempt to combine
+ *   same line {@link TextItem}'s. The default value is `false`.
+ */
+/**
+ * Page text content.
+ *
+ * @typedef {Object} TextContent
+ * @property {Array<TextItem>} items - Array of {@link TextItem} objects.
+ * @property {Object<string, TextStyle>} styles - {@link TextStyle} objects,
+ *   indexed by font name.
+ */
+/**
+ * Page text content part.
+ *
+ * @typedef {Object} TextItem
+ * @property {string} str - Text content.
+ * @property {string} dir - Text direction: 'ttb', 'ltr' or 'rtl'.
+ * @property {Array<any>} transform - Transformation matrix.
+ * @property {number} width - Width in device space.
+ * @property {number} height - Height in device space.
+ * @property {string} fontName - Font name used by PDF.js for converted font.
+ */
+/**
+ * Text style.
+ *
+ * @typedef {Object} TextStyle
+ * @property {number} ascent - Font ascent.
+ * @property {number} descent - Font descent.
+ * @property {boolean} vertical - Whether or not the text is in vertical mode.
+ * @property {string} fontFamily - The possible font family.
+ */
+/**
+ * Page annotation parameters.
+ *
+ * @typedef {Object} GetAnnotationsParameters
+ * @property {string} intent - Determines the annotations that will be fetched,
+ *   can be either 'display' (viewable annotations) or 'print' (printable
+ *   annotations). If the parameter is omitted, all annotations are fetched.
+ */
+/**
+ * Page render parameters.
+ *
+ * @typedef {Object} RenderParameters
+ * @property {Object} canvasContext - A 2D context of a DOM Canvas object.
+ * @property {PageViewport} viewport - Rendering viewport obtained by calling
+ *   the `PDFPageProxy.getViewport` method.
+ * @property {string} [intent] - Rendering intent, can be 'display' or 'print'.
+ *   The default value is 'display'.
+ * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for
+ *   some operations. The default value is `false`.
+ * @property {boolean} [renderInteractiveForms] - Whether or not interactive
+ *   form elements are rendered in the display layer. If so, we do not render
+ *   them on the canvas as well.
+ * @property {Array<any>} [transform] - Additional transform, applied just
+ *   before viewport transform.
+ * @property {Object} [imageLayer] - An object that has `beginLayout`,
+ *   `endLayout` and `appendImage` functions.
+ * @property {Object} [canvasFactory] - The factory instance that will be used
+ *   when creating canvases. The default value is {new DOMCanvasFactory()}.
+ * @property {Object | string} [background] - Background to use for the canvas.
+ *   Any valid `canvas.fillStyle` can be used: a `DOMString` parsed as CSS
+ *   <color> value, a `CanvasGradient` object (a linear or radial gradient) or
+ *   a `CanvasPattern` object (a repetitive image). The default value is
+ *   'rgb(255,255,255)'.
+ * @property {AnnotationStorage} [annotationStorage] - Storage for annotation
+ *   data in forms.
+ * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -
+ *   A promise that should resolve with an {@link OptionalContentConfig}
+ *   created from `PDFDocumentProxy.getOptionalContentConfig`. If `null`,
+ *   the configuration will be fetched automatically with the default visibility
+ *   states set.
+ */
+/**
+ * PDF page operator list.
+ *
+ * @typedef {Object} PDFOperatorList
+ * @property {Array<number>} fnArray - Array containing the operator functions.
+ * @property {Array<any>} argsArray - Array containing the arguments of the
+ *   functions.
+ */
+/**
+ * Proxy to a `PDFPage` in the worker thread.
+ */
+export class PDFPageProxy {
+    constructor(pageIndex: any, pageInfo: any, transport: any, ownerDocument: any, pdfBug?: boolean);
+    _pageIndex: any;
+    _pageInfo: any;
+    _ownerDocument: any;
+    _transport: any;
+    _stats: StatTimer | null;
+    _pdfBug: boolean;
+    commonObjs: any;
+    objs: PDFObjects;
+    cleanupAfterRender: boolean;
+    pendingCleanup: boolean;
+    _intentStates: Map<any, any>;
+    destroyed: boolean;
+    /**
+     * @type {number} Page number of the page. First page is 1.
+     */
+    get pageNumber(): number;
+    /**
+     * @type {number} The number of degrees the page is rotated clockwise.
+     */
+    get rotate(): number;
+    /**
+     * @type {Object} The reference that points to this page. It has `num` and
+     *   `gen` properties.
+     */
+    get ref(): Object;
+    /**
+     * @type {number} The default size of units in 1/72nds of an inch.
+     */
+    get userUnit(): number;
+    /**
+     * @type {Array<number>} An array of the visible portion of the PDF page in
+     *   user space units [x1, y1, x2, y2].
+     */
+    get view(): number[];
+    /**
+     * @param {GetViewportParameters} params - Viewport parameters.
+     * @returns {PageViewport} Contains 'width' and 'height' properties
+     *   along with transforms required for rendering.
+     */
+    getViewport({ scale, rotation, offsetX, offsetY, dontFlip, }?: GetViewportParameters): PageViewport;
+    /**
+     * @param {GetAnnotationsParameters} params - Annotation parameters.
+     * @returns {Promise<Array<any>>} A promise that is resolved with an
+     *   {Array} of the annotation objects.
+     */
+    getAnnotations({ intent }?: GetAnnotationsParameters): Promise<Array<any>>;
+    annotationsPromise: any;
+    annotationsIntent: string | undefined;
+    /**
+     * Begins the process of rendering a page to the desired context.
+     *
+     * @param {RenderParameters} params Page render parameters.
+     * @returns {RenderTask} An object that contains a promise that is
+     *   resolved when the page finishes rendering.
+     */
+    render({ canvasContext, viewport, intent, enableWebGL, renderInteractiveForms, transform, imageLayer, canvasFactory, background, annotationStorage, optionalContentConfigPromise, }: RenderParameters): RenderTask;
+    /**
+     * @returns {Promise<PDFOperatorList>} A promise resolved with an
+     *   {@link PDFOperatorList} object that represents page's operator list.
+     */
+    getOperatorList(): Promise<PDFOperatorList>;
+    /**
+     * @param {getTextContentParameters} params - getTextContent parameters.
+     * @returns {ReadableStream} Stream for reading text content chunks.
+     */
+    streamTextContent({ normalizeWhitespace, disableCombineTextItems, }?: getTextContentParameters): ReadableStream;
+    /**
+     * @param {getTextContentParameters} params - getTextContent parameters.
+     * @returns {Promise<TextContent>} A promise that is resolved with a
+     *   {@link TextContent} object that represents the page's text content.
+     */
+    getTextContent(params?: getTextContentParameters): Promise<TextContent>;
+    /**
+     * Destroys the page object.
+     * @private
+     */
+    private _destroy;
+    /**
+     * Cleans up resources allocated by the page.
+     *
+     * @param {boolean} [resetStats] - Reset page stats, if enabled.
+     *   The default value is `false`.
+     * @returns {boolean} Indicates if clean-up was successfully run.
+     */
+    cleanup(resetStats?: boolean | undefined): boolean;
+    /**
+     * Attempts to clean up if rendering is in a state where that's possible.
+     * @private
+     */
+    private _tryCleanup;
+    /**
+     * @private
+     */
+    private _startRenderPage;
+    /**
+     * @private
+     */
+    private _renderPageChunk;
+    /**
+     * @private
+     */
+    private _pumpOperatorList;
+    /**
+     * @private
+     */
+    private _abortOperatorList;
+    /**
+     * @type {Object} Returns page stats, if enabled; returns `null` otherwise.
+     */
+    get stats(): Object;
+}
+/**
+ * Sets the function that instantiates an {IPDFStream} as an alternative PDF
+ * data transport.
+ *
+ * @param {IPDFStreamFactory} pdfNetworkStreamFactory - The factory function
+ *   that takes document initialization parameters (including a "url") and
+ *   returns a promise which is resolved with an instance of {IPDFStream}.
+ * @ignore
+ */
+export function setPDFNetworkStreamFactory(pdfNetworkStreamFactory: IPDFStreamFactory): void;
+/** @type {string} */
+export const version: string;
+/** @type {string} */
+export const build: string;
+import { PageViewport } from "./display_utils.js";
+import { AnnotationStorage } from "./annotation_storage.js";
+import { OptionalContentConfig } from "./optional_content_config.js";
+/**
+ * The loading task controls the operations required to load a PDF document
+ * (such as network requests) and provides a way to listen for completion,
+ * after which individual pages can be rendered.
+ *
+ * @typedef {Object} PDFDocumentLoadingTask
+ * @property {string} docId - Unique identifier for the document loading task.
+ * @property {boolean} destroyed - Whether the loading task is destroyed or not.
+ * @property {function} [onPassword] - Callback to request a password if a wrong
+ *   or no password was provided. The callback receives two parameters: a
+ *   function that should be called with the new password, and a reason (see
+ *   {@link PasswordResponses}).
+ * @property {function} [onProgress] - Callback to be able to monitor the
+ *   loading progress of the PDF file (necessary to implement e.g. a loading
+ *   bar). The callback receives an {Object} with the properties `loaded`
+ *   ({number}) and `total` ({number}) that indicate how many bytes are loaded.
+ * @property {function} [onUnsupportedFeature] - Callback for when an
+ *   unsupported feature is used in the PDF document. The callback receives an
+ *   {@link UNSUPPORTED_FEATURES} argument.
+ * @property {Promise<PDFDocumentProxy>} promise - Promise for document loading
+ *   task completion.
+ * @property {function} destroy - Abort all network requests and destroy
+ *   the worker. Returns a promise that is resolved when destruction is
+ *   completed.
+ */
+/**
+ * @type {any}
+ * @ignore
+ */
+declare const PDFDocumentLoadingTask: any;
+import { info } from "../shared/util.js";
+import { Metadata } from "./metadata.js";
+import { StatTimer } from "./display_utils.js";
+/**
+ * A PDF document and page is built of many objects. E.g. there are objects for
+ * fonts, images, rendering code, etc. These objects may get processed inside of
+ * a worker. This class implements some basic methods to manage these objects.
+ * @ignore
+ */
+declare class PDFObjects {
+    _objs: any;
+    /**
+     * Ensures there is an object defined for `objId`.
+     * @private
+     */
+    private _ensureObj;
+    /**
+     * If called *without* callback, this returns the data of `objId` but the
+     * object needs to be resolved. If it isn't, this method throws.
+     *
+     * If called *with* a callback, the callback is called with the data of the
+     * object once the object is resolved. That means, if you call this method
+     * and the object is already resolved, the callback gets called right away.
+     */
+    get(objId: any, callback?: any): any;
+    has(objId: any): any;
+    /**
+     * Resolves the object `objId` with optional `data`.
+     */
+    resolve(objId: any, data: any): void;
+    clear(): void;
+}
+/**
+ * Allows controlling of the rendering tasks.
+ */
+declare class RenderTask {
+    constructor(internalRenderTask: any);
+    _internalRenderTask: any;
+    /**
+     * Callback for incremental rendering -- a function that will be called
+     * each time the rendering is paused.  To continue rendering call the
+     * function that is the first argument to the callback.
+     * @type {function}
+     */
+    onContinue: Function;
+    /**
+     * Promise for rendering task completion.
+     * @type {Promise<void>}
+     */
+    get promise(): Promise<void>;
+    /**
+     * Cancels the rendering task. If the task is currently rendering it will
+     * not be cancelled until graphics pauses with a timeout. The promise that
+     * this object extends will be rejected when cancelled.
+     */
+    cancel(): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/api_compatibility.d.ts b/node_modules/pdfjs-dist/types/display/api_compatibility.d.ts
new file mode 100644
index 00000000..6221043e
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/api_compatibility.d.ts
@@ -0,0 +1 @@
+export const apiCompatibilityParams: any;
diff --git a/node_modules/pdfjs-dist/types/display/canvas.d.ts b/node_modules/pdfjs-dist/types/display/canvas.d.ts
new file mode 100644
index 00000000..9174f4b1
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/canvas.d.ts
@@ -0,0 +1,4 @@
+/**
+ * @type {any}
+ */
+export var CanvasGraphics: any;
diff --git a/node_modules/pdfjs-dist/types/display/content_disposition.d.ts b/node_modules/pdfjs-dist/types/display/content_disposition.d.ts
new file mode 100644
index 00000000..5d562c89
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/content_disposition.d.ts
@@ -0,0 +1,7 @@
+/**
+ * Extract file name from the Content-Disposition HTTP response header.
+ *
+ * @param {string} contentDisposition
+ * @returns {string} Filename, if found in the Content-Disposition header.
+ */
+export function getFilenameFromContentDispositionHeader(contentDisposition: string): string;
diff --git a/node_modules/pdfjs-dist/types/display/display_utils.d.ts b/node_modules/pdfjs-dist/types/display/display_utils.d.ts
new file mode 100644
index 00000000..ae50c478
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/display_utils.d.ts
@@ -0,0 +1,243 @@
+export type ExternalLinkParameters = any;
+export type PageViewportParameters = {
+    /**
+     * - The xMin, yMin, xMax and
+     * yMax coordinates.
+     */
+    viewBox: Array<number>;
+    /**
+     * - The scale of the viewport.
+     */
+    scale: number;
+    /**
+     * - The rotation, in degrees, of the viewport.
+     */
+    rotation: number;
+    /**
+     * - The horizontal, i.e. x-axis, offset. The
+     * default value is `0`.
+     */
+    offsetX?: number;
+    /**
+     * - The vertical, i.e. y-axis, offset. The
+     * default value is `0`.
+     */
+    offsetY?: number;
+    /**
+     * - If true, the y-axis will not be flipped.
+     * The default value is `false`.
+     */
+    dontFlip?: boolean;
+};
+export type PageViewportCloneParameters = {
+    /**
+     * - The scale, overriding the one in the cloned
+     * viewport. The default value is `this.scale`.
+     */
+    scale?: number;
+    /**
+     * - The rotation, in degrees, overriding the one
+     * in the cloned viewport. The default value is `this.rotation`.
+     */
+    rotation?: number;
+    /**
+     * - The horizontal, i.e. x-axis, offset.
+     * The default value is `this.offsetX`.
+     */
+    offsetX?: number;
+    /**
+     * - The vertical, i.e. y-axis, offset.
+     * The default value is `this.offsetY`.
+     */
+    offsetY?: number;
+    /**
+     * - If true, the x-axis will not be flipped.
+     * The default value is `false`.
+     */
+    dontFlip?: boolean;
+};
+/**
+ * @typedef {Object} PageViewportParameters
+ * @property {Array<number>} viewBox - The xMin, yMin, xMax and
+ *   yMax coordinates.
+ * @property {number} scale - The scale of the viewport.
+ * @property {number} rotation - The rotation, in degrees, of the viewport.
+ * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset. The
+ *   default value is `0`.
+ * @property {number} [offsetY] - The vertical, i.e. y-axis, offset. The
+ *   default value is `0`.
+ * @property {boolean} [dontFlip] - If true, the y-axis will not be flipped.
+ *   The default value is `false`.
+ */
+/**
+ * @typedef {Object} PageViewportCloneParameters
+ * @property {number} [scale] - The scale, overriding the one in the cloned
+ *   viewport. The default value is `this.scale`.
+ * @property {number} [rotation] - The rotation, in degrees, overriding the one
+ *   in the cloned viewport. The default value is `this.rotation`.
+ * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.
+ *   The default value is `this.offsetX`.
+ * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.
+ *   The default value is `this.offsetY`.
+ * @property {boolean} [dontFlip] - If true, the x-axis will not be flipped.
+ *   The default value is `false`.
+ */
+/**
+ * PDF page viewport created based on scale, rotation and offset.
+ */
+export class PageViewport {
+    /**
+     * @param {PageViewportParameters}
+     */
+    constructor({ viewBox, scale, rotation, offsetX, offsetY, dontFlip, }: PageViewportParameters);
+    viewBox: number[];
+    scale: number;
+    rotation: number;
+    offsetX: number;
+    offsetY: number;
+    transform: number[];
+    width: number;
+    height: number;
+    /**
+     * Clones viewport, with optional additional properties.
+     * @param {PageViewportCloneParameters} [params]
+     * @returns {PageViewport} Cloned viewport.
+     */
+    clone({ scale, rotation, offsetX, offsetY, dontFlip, }?: PageViewportCloneParameters | undefined): PageViewport;
+    /**
+     * Converts PDF point to the viewport coordinates. For examples, useful for
+     * converting PDF location into canvas pixel coordinates.
+     * @param {number} x - The x-coordinate.
+     * @param {number} y - The y-coordinate.
+     * @returns {Object} Object containing `x` and `y` properties of the
+     *   point in the viewport coordinate space.
+     * @see {@link convertToPdfPoint}
+     * @see {@link convertToViewportRectangle}
+     */
+    convertToViewportPoint(x: number, y: number): Object;
+    /**
+     * Converts PDF rectangle to the viewport coordinates.
+     * @param {Array} rect - The xMin, yMin, xMax and yMax coordinates.
+     * @returns {Array} Array containing corresponding coordinates of the
+     *   rectangle in the viewport coordinate space.
+     * @see {@link convertToViewportPoint}
+     */
+    convertToViewportRectangle(rect: any[]): any[];
+    /**
+     * Converts viewport coordinates to the PDF location. For examples, useful
+     * for converting canvas pixel location into PDF one.
+     * @param {number} x - The x-coordinate.
+     * @param {number} y - The y-coordinate.
+     * @returns {Object} Object containing `x` and `y` properties of the
+     *   point in the PDF coordinate space.
+     * @see {@link convertToViewportPoint}
+     */
+    convertToPdfPoint(x: number, y: number): Object;
+}
+declare const RenderingCancelledException_base: any;
+export class RenderingCancelledException extends RenderingCancelledException_base {
+    [x: string]: any;
+    constructor(msg: any, type: any);
+    type: any;
+}
+/**
+ * @typedef ExternalLinkParameters
+ * @typedef {Object} ExternalLinkParameters
+ * @property {string} url - An absolute URL.
+ * @property {LinkTarget} [target] - The link target. The default value is
+ *   `LinkTarget.NONE`.
+ * @property {string} [rel] - The link relationship. The default value is
+ *   `DEFAULT_LINK_REL`.
+ * @property {boolean} [enabled] - Whether the link should be enabled. The
+ *   default value is true.
+ */
+/**
+ * Adds various attributes (href, title, target, rel) to hyperlinks.
+ * @param {HTMLLinkElement} link - The link element.
+ * @param {ExternalLinkParameters} params
+ */
+export function addLinkAttributes(link: HTMLLinkElement, { url, target, rel, enabled }?: any): void;
+/**
+ * Gets the file name from a given URL.
+ * @param {string} url
+ */
+export function getFilenameFromUrl(url: string): string;
+export namespace LinkTarget {
+    export const NONE: number;
+    export const SELF: number;
+    export const BLANK: number;
+    export const PARENT: number;
+    export const TOP: number;
+}
+export const DEFAULT_LINK_REL: "noopener noreferrer nofollow";
+export class BaseCanvasFactory {
+    create(width: any, height: any): void;
+    reset(canvasAndContext: any, width: any, height: any): void;
+    destroy(canvasAndContext: any): void;
+}
+export class DOMCanvasFactory extends BaseCanvasFactory {
+    constructor({ ownerDocument }?: {
+        ownerDocument?: Document | undefined;
+    });
+    _document: Document;
+}
+export class BaseCMapReaderFactory {
+    constructor({ baseUrl, isCompressed }: {
+        baseUrl?: any;
+        isCompressed?: boolean | undefined;
+    });
+    baseUrl: any;
+    isCompressed: boolean;
+    fetch({ name }: {
+        name: any;
+    }): Promise<any>;
+    /**
+     * @private
+     */
+    private _fetchData;
+}
+export class DOMCMapReaderFactory extends BaseCMapReaderFactory {
+    constructor({ baseUrl, isCompressed }: {
+        baseUrl?: any;
+        isCompressed?: boolean | undefined;
+    });
+}
+export class DOMSVGFactory {
+    create(width: any, height: any): SVGElement;
+    createElement(type: any): any;
+}
+export class StatTimer {
+    started: any;
+    times: any[];
+    time(name: any): void;
+    timeEnd(name: any): void;
+    toString(): string;
+}
+export function isFetchSupported(): boolean;
+export function isValidFetchUrl(url: any, baseUrl: any): boolean;
+/**
+ * @param {string} src
+ * @returns {Promise<void>}
+ */
+export function loadScript(src: string): Promise<void>;
+export function deprecated(details: any): void;
+export class PDFDateString {
+    /**
+     * Convert a PDF date string to a JavaScript `Date` object.
+     *
+     * The PDF date string format is described in section 7.9.4 of the official
+     * PDF 32000-1:2008 specification. However, in the PDF 1.7 reference (sixth
+     * edition) Adobe describes the same format including a trailing apostrophe.
+     * This syntax in incorrect, but Adobe Acrobat creates PDF files that contain
+     * them. We ignore all apostrophes as they are not necessary for date parsing.
+     *
+     * Moreover, Adobe Acrobat doesn't handle changing the date to universal time
+     * and doesn't use the user's time zone (effectively ignoring the HH' and mm'
+     * parts of the date string).
+     *
+     * @param {string} input
+     * @returns {Date|null}
+     */
+    static toDateObject(input: string): Date | null;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/fetch_stream.d.ts b/node_modules/pdfjs-dist/types/display/fetch_stream.d.ts
new file mode 100644
index 00000000..3966754e
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/fetch_stream.d.ts
@@ -0,0 +1,67 @@
+/** @implements {IPDFStream} */
+export class PDFFetchStream {
+    constructor(source: any);
+    source: any;
+    isHttp: boolean;
+    httpHeaders: any;
+    _fullRequestReader: PDFFetchStreamReader | null;
+    _rangeRequestReaders: any[];
+    get _progressiveDataLength(): number;
+    getFullReader(): PDFFetchStreamReader;
+    getRangeReader(begin: any, end: any): PDFFetchStreamRangeReader | null;
+    cancelAllRequests(reason: any): void;
+}
+/** @implements {IPDFStreamReader} */
+declare class PDFFetchStreamReader {
+    constructor(stream: any);
+    _stream: any;
+    _reader: ReadableStreamDefaultReader<Uint8Array> | null;
+    _loaded: number;
+    _filename: string | null;
+    _withCredentials: any;
+    _contentLength: any;
+    _headersCapability: import("../shared/util.js").PromiseCapability;
+    _disableRange: any;
+    _rangeChunkSize: any;
+    _abortController: AbortController;
+    _isStreamingSupported: boolean;
+    _isRangeSupported: boolean;
+    _headers: Headers;
+    onProgress: any;
+    get headersReady(): Promise<any>;
+    get filename(): string | null;
+    get contentLength(): any;
+    get isRangeSupported(): boolean;
+    get isStreamingSupported(): boolean;
+    read(): Promise<{
+        value: Uint8Array | undefined;
+        done: true;
+    } | {
+        value: ArrayBufferLike;
+        done: boolean;
+    }>;
+    cancel(reason: any): void;
+}
+/** @implements {IPDFStreamRangeReader} */
+declare class PDFFetchStreamRangeReader {
+    constructor(stream: any, begin: any, end: any);
+    _stream: any;
+    _reader: ReadableStreamDefaultReader<Uint8Array> | null;
+    _loaded: number;
+    _withCredentials: any;
+    _readCapability: import("../shared/util.js").PromiseCapability;
+    _isStreamingSupported: boolean;
+    _abortController: AbortController;
+    _headers: Headers;
+    onProgress: any;
+    get isStreamingSupported(): boolean;
+    read(): Promise<{
+        value: Uint8Array | undefined;
+        done: true;
+    } | {
+        value: ArrayBufferLike;
+        done: boolean;
+    }>;
+    cancel(reason: any): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/font_loader.d.ts b/node_modules/pdfjs-dist/types/display/font_loader.d.ts
new file mode 100644
index 00000000..20bb0d9d
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/font_loader.d.ts
@@ -0,0 +1,19 @@
+export class FontFaceObject {
+    constructor(translatedData: any, { isEvalSupported, disableFontFace, ignoreErrors, onUnsupportedFeature, fontRegistry, }: {
+        isEvalSupported?: boolean | undefined;
+        disableFontFace?: boolean | undefined;
+        ignoreErrors?: boolean | undefined;
+        onUnsupportedFeature?: any;
+        fontRegistry?: any;
+    });
+    compiledGlyphs: any;
+    isEvalSupported: boolean;
+    disableFontFace: boolean;
+    ignoreErrors: boolean;
+    _onUnsupportedFeature: any;
+    fontRegistry: any;
+    createNativeFontFace(): any;
+    createFontFaceRule(): string | null;
+    getPathGenerator(objs: any, character: any): any;
+}
+export let FontLoader: any;
diff --git a/node_modules/pdfjs-dist/types/display/metadata.d.ts b/node_modules/pdfjs-dist/types/display/metadata.d.ts
new file mode 100644
index 00000000..c3d96601
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/metadata.d.ts
@@ -0,0 +1,9 @@
+export class Metadata {
+    constructor(data: any);
+    _metadataMap: Map<any, any>;
+    _repair(data: any): any;
+    _parse(xmlDocument: any): void;
+    get(name: any): any;
+    getAll(): any;
+    has(name: any): boolean;
+}
diff --git a/node_modules/pdfjs-dist/types/display/network.d.ts b/node_modules/pdfjs-dist/types/display/network.d.ts
new file mode 100644
index 00000000..c2683552
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/network.d.ts
@@ -0,0 +1,80 @@
+/** @implements {IPDFStream} */
+export class PDFNetworkStream {
+    constructor(source: any);
+    _source: any;
+    _manager: NetworkManager;
+    _rangeChunkSize: any;
+    _fullRequestReader: PDFNetworkStreamFullRequestReader | null;
+    _rangeRequestReaders: any[];
+    _onRangeRequestReaderClosed(reader: any): void;
+    getFullReader(): PDFNetworkStreamFullRequestReader;
+    getRangeReader(begin: any, end: any): PDFNetworkStreamRangeRequestReader;
+    cancelAllRequests(reason: any): void;
+}
+declare class NetworkManager {
+    constructor(url: any, args: any);
+    url: any;
+    isHttp: boolean;
+    httpHeaders: any;
+    withCredentials: any;
+    getXhr: any;
+    currXhrId: number;
+    pendingRequests: any;
+    requestRange(begin: any, end: any, listeners: any): number;
+    requestFull(listeners: any): number;
+    request(args: any): number;
+    onProgress(xhrId: any, evt: any): void;
+    onStateChange(xhrId: any, evt: any): void;
+    getRequestXhr(xhrId: any): any;
+    isPendingRequest(xhrId: any): boolean;
+    abortRequest(xhrId: any): void;
+}
+/** @implements {IPDFStreamReader} */
+declare class PDFNetworkStreamFullRequestReader {
+    constructor(manager: any, source: any);
+    _manager: any;
+    _url: any;
+    _fullRequestId: any;
+    _headersReceivedCapability: import("../shared/util.js").PromiseCapability;
+    _disableRange: any;
+    _contentLength: any;
+    _rangeChunkSize: any;
+    _isStreamingSupported: boolean;
+    _isRangeSupported: boolean;
+    _cachedChunks: any[];
+    _requests: any[];
+    _done: boolean;
+    _storedError: import("../shared/util.js").MissingPDFException | import("../shared/util.js").UnexpectedResponseException | undefined;
+    _filename: string | null;
+    onProgress: any;
+    _onHeadersReceived(): void;
+    _onDone(args: any): void;
+    _onError(status: any): void;
+    _onProgress(data: any): void;
+    get filename(): string | null;
+    get isRangeSupported(): boolean;
+    get isStreamingSupported(): boolean;
+    get contentLength(): any;
+    get headersReady(): Promise<any>;
+    read(): Promise<any>;
+    cancel(reason: any): void;
+    _fullRequestReader: any;
+}
+/** @implements {IPDFStreamRangeReader} */
+declare class PDFNetworkStreamRangeRequestReader {
+    constructor(manager: any, begin: any, end: any);
+    _manager: any;
+    _requestId: any;
+    _requests: any[];
+    _queuedChunk: any;
+    _done: boolean;
+    onProgress: any;
+    onClosed: any;
+    _close(): void;
+    _onDone(data: any): void;
+    _onProgress(evt: any): void;
+    get isStreamingSupported(): boolean;
+    read(): Promise<any>;
+    cancel(reason: any): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/network_utils.d.ts b/node_modules/pdfjs-dist/types/display/network_utils.d.ts
new file mode 100644
index 00000000..07afead4
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/network_utils.d.ts
@@ -0,0 +1,14 @@
+export function createResponseStatusError(status: any, url: any): MissingPDFException | UnexpectedResponseException;
+export function extractFilenameFromHeader(getResponseHeader: any): string | null;
+export function validateRangeRequestCapabilities({ getResponseHeader, isHttp, rangeChunkSize, disableRange, }: {
+    getResponseHeader: any;
+    isHttp: any;
+    rangeChunkSize: any;
+    disableRange: any;
+}): {
+    allowRangeRequests: boolean;
+    suggestedLength: undefined;
+};
+export function validateResponseStatus(status: any): boolean;
+import { MissingPDFException } from "../shared/util.js";
+import { UnexpectedResponseException } from "../shared/util.js";
diff --git a/node_modules/pdfjs-dist/types/display/node_stream.d.ts b/node_modules/pdfjs-dist/types/display/node_stream.d.ts
new file mode 100644
index 00000000..20ce2070
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/node_stream.d.ts
@@ -0,0 +1,72 @@
+export class PDFNodeStream {
+    constructor(source: any);
+    source: any;
+    url: any;
+    isHttp: boolean;
+    isFsUrl: boolean;
+    httpHeaders: any;
+    _fullRequestReader: PDFNodeStreamFsFullReader | PDFNodeStreamFullReader | null;
+    _rangeRequestReaders: any[];
+    get _progressiveDataLength(): number;
+    getFullReader(): PDFNodeStreamFsFullReader | PDFNodeStreamFullReader;
+    getRangeReader(start: any, end: any): PDFNodeStreamFsRangeReader | PDFNodeStreamRangeReader | null;
+    cancelAllRequests(reason: any): void;
+}
+declare class PDFNodeStreamFsFullReader extends BaseFullReader {
+    constructor(stream: any);
+}
+declare class PDFNodeStreamFullReader extends BaseFullReader {
+    constructor(stream: any);
+    _request: any;
+}
+declare class PDFNodeStreamFsRangeReader extends BaseRangeReader {
+    constructor(stream: any, start: any, end: any);
+}
+declare class PDFNodeStreamRangeReader extends BaseRangeReader {
+    constructor(stream: any, start: any, end: any);
+    _httpHeaders: {};
+    _request: any;
+}
+declare class BaseFullReader {
+    constructor(stream: any);
+    _url: any;
+    _done: boolean;
+    _storedError: any;
+    onProgress: any;
+    _contentLength: any;
+    _loaded: number;
+    _filename: any;
+    _disableRange: any;
+    _rangeChunkSize: any;
+    _isStreamingSupported: boolean;
+    _isRangeSupported: boolean;
+    _readableStream: any;
+    _readCapability: import("../shared/util.js").PromiseCapability;
+    _headersCapability: import("../shared/util.js").PromiseCapability;
+    get headersReady(): Promise<any>;
+    get filename(): any;
+    get contentLength(): any;
+    get isRangeSupported(): boolean;
+    get isStreamingSupported(): boolean;
+    read(): any;
+    cancel(reason: any): void;
+    _error(reason: any): void;
+    _setReadableStream(readableStream: any): void;
+}
+declare class BaseRangeReader {
+    constructor(stream: any);
+    _url: any;
+    _done: boolean;
+    _storedError: any;
+    onProgress: any;
+    _loaded: number;
+    _readableStream: any;
+    _readCapability: import("../shared/util.js").PromiseCapability;
+    _isStreamingSupported: boolean;
+    get isStreamingSupported(): boolean;
+    read(): any;
+    cancel(reason: any): void;
+    _error(reason: any): void;
+    _setReadableStream(readableStream: any): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/node_utils.d.ts b/node_modules/pdfjs-dist/types/display/node_utils.d.ts
new file mode 100644
index 00000000..14d2441f
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/node_utils.d.ts
@@ -0,0 +1,6 @@
+export let NodeCanvasFactory: {
+    new (): {};
+};
+export let NodeCMapReaderFactory: {
+    new (): {};
+};
diff --git a/node_modules/pdfjs-dist/types/display/optional_content_config.d.ts b/node_modules/pdfjs-dist/types/display/optional_content_config.d.ts
new file mode 100644
index 00000000..8f80f42b
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/optional_content_config.d.ts
@@ -0,0 +1,12 @@
+export class OptionalContentConfig {
+    constructor(data: any);
+    name: any;
+    creator: any;
+    _order: any;
+    _groups: Map<any, any>;
+    isVisible(group: any): any;
+    setVisibility(id: any, visible?: boolean): void;
+    getOrder(): any;
+    getGroups(): any;
+    getGroup(id: any): any;
+}
diff --git a/node_modules/pdfjs-dist/types/display/pattern_helper.d.ts b/node_modules/pdfjs-dist/types/display/pattern_helper.d.ts
new file mode 100644
index 00000000..e4874a67
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/pattern_helper.d.ts
@@ -0,0 +1,5 @@
+export function getShadingPatternFromIR(raw: any): any;
+/**
+ * @type {any}
+ */
+export var TilingPattern: any;
diff --git a/node_modules/pdfjs-dist/types/display/svg.d.ts b/node_modules/pdfjs-dist/types/display/svg.d.ts
new file mode 100644
index 00000000..39d9dfdb
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/svg.d.ts
@@ -0,0 +1,2 @@
+/** @type {any} */
+export let SVGGraphics: any;
diff --git a/node_modules/pdfjs-dist/types/display/text_layer.d.ts b/node_modules/pdfjs-dist/types/display/text_layer.d.ts
new file mode 100644
index 00000000..f7e2b46a
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/text_layer.d.ts
@@ -0,0 +1,83 @@
+/**
+ * Text layer render parameters.
+ */
+export type TextLayerRenderParameters = {
+    /**
+     * - Text content to
+     * render (the object is returned by the page's `getTextContent` method).
+     */
+    textContent?: import("./api").TextContent;
+    /**
+     * - Text content stream to
+     * render (the stream is returned by the page's `streamTextContent` method).
+     */
+    textContentStream?: ReadableStream;
+    /**
+     * - HTML element that will contain text runs.
+     */
+    container: HTMLElement;
+    /**
+     * - The target
+     * viewport to properly layout the text runs.
+     */
+    viewport: import("./display_utils").PageViewport;
+    /**
+     * - HTML elements that are correspond
+     * to the text items of the textContent input. This is output and shall be
+     * initially be set to empty array.
+     */
+    textDivs?: Array<HTMLElement>;
+    /**
+     * - Strings that correspond to
+     * the `str` property of the text items of textContent input. This is output
+     * and shall be initially be set to empty array.
+     */
+    textContentItemsStr?: Array<string>;
+    /**
+     * - Delay in milliseconds before rendering of the
+     * text runs occurs.
+     */
+    timeout?: number;
+    /**
+     * - Whether to turn on the text
+     * selection enhancement.
+     */
+    enhanceTextSelection?: boolean;
+};
+export type TextLayerRenderTask = {
+    promise: Promise<void>;
+    cancel: () => void;
+    expandTextDivs: (expandDivs: boolean) => void;
+};
+/**
+ * Text layer render parameters.
+ *
+ * @typedef {Object} TextLayerRenderParameters
+ * @property {import("./api").TextContent} [textContent] - Text content to
+ *   render (the object is returned by the page's `getTextContent` method).
+ * @property {ReadableStream} [textContentStream] - Text content stream to
+ *   render (the stream is returned by the page's `streamTextContent` method).
+ * @property {HTMLElement} container - HTML element that will contain text runs.
+ * @property {import("./display_utils").PageViewport} viewport - The target
+ *   viewport to properly layout the text runs.
+ * @property {Array<HTMLElement>} [textDivs] - HTML elements that are correspond
+ *   to the text items of the textContent input. This is output and shall be
+ *   initially be set to empty array.
+ * @property {Array<string>} [textContentItemsStr] - Strings that correspond to
+ *    the `str` property of the text items of textContent input. This is output
+ *   and shall be initially be set to empty array.
+ * @property {number} [timeout] - Delay in milliseconds before rendering of the
+ *   text runs occurs.
+ * @property {boolean} [enhanceTextSelection] - Whether to turn on the text
+ *   selection enhancement.
+ */
+/**
+ * @typedef {Object} TextLayerRenderTask
+ * @property {Promise<void>} promise
+ * @property {() => void} cancel
+ * @property {(expandDivs: boolean) => void} expandTextDivs
+ */
+/**
+ * @type {(renderParameters: TextLayerRenderParameters) => TextLayerRenderTask}
+ */
+export var renderTextLayer: (renderParameters: TextLayerRenderParameters) => TextLayerRenderTask;
diff --git a/node_modules/pdfjs-dist/types/display/transport_stream.d.ts b/node_modules/pdfjs-dist/types/display/transport_stream.d.ts
new file mode 100644
index 00000000..9058814e
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/transport_stream.d.ts
@@ -0,0 +1,57 @@
+/** @implements {IPDFStream} */
+export class PDFDataTransportStream {
+    constructor(params: any, pdfDataRangeTransport: any);
+    _queuedChunks: any[];
+    _progressiveDone: any;
+    _pdfDataRangeTransport: any;
+    _isStreamingSupported: boolean;
+    _isRangeSupported: boolean;
+    _contentLength: any;
+    _fullRequestReader: any;
+    _rangeReaders: any[];
+    _onReceiveData(args: any): void;
+    get _progressiveDataLength(): any;
+    _onProgress(evt: any): void;
+    _onProgressiveDone(): void;
+    _removeRangeReader(reader: any): void;
+    getFullReader(): PDFDataTransportStreamReader;
+    getRangeReader(begin: any, end: any): PDFDataTransportStreamRangeReader | null;
+    cancelAllRequests(reason: any): void;
+}
+/** @implements {IPDFStreamReader} */
+declare class PDFDataTransportStreamReader {
+    constructor(stream: any, queuedChunks: any, progressiveDone?: boolean);
+    _stream: any;
+    _done: boolean;
+    _filename: any;
+    _queuedChunks: any;
+    _loaded: number;
+    _requests: any[];
+    _headersReady: Promise<void>;
+    onProgress: any;
+    _enqueue(chunk: any): void;
+    get headersReady(): Promise<void>;
+    get filename(): any;
+    get isRangeSupported(): any;
+    get isStreamingSupported(): any;
+    get contentLength(): any;
+    read(): Promise<any>;
+    cancel(reason: any): void;
+    progressiveDone(): void;
+}
+/** @implements {IPDFStreamRangeReader} */
+declare class PDFDataTransportStreamRangeReader {
+    constructor(stream: any, begin: any, end: any);
+    _stream: any;
+    _begin: any;
+    _end: any;
+    _queuedChunk: any;
+    _requests: any[];
+    _done: boolean;
+    onProgress: any;
+    _enqueue(chunk: any): void;
+    get isStreamingSupported(): boolean;
+    read(): Promise<any>;
+    cancel(reason: any): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/display/webgl.d.ts b/node_modules/pdfjs-dist/types/display/webgl.d.ts
new file mode 100644
index 00000000..99037532
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/webgl.d.ts
@@ -0,0 +1,20 @@
+export class WebGLContext {
+    constructor({ enable }: {
+        enable?: boolean | undefined;
+    });
+    _enabled: boolean;
+    get isEnabled(): any;
+    composeSMask({ layer, mask, properties }: {
+        layer: any;
+        mask: any;
+        properties: any;
+    }): any;
+    drawFigures({ width, height, backgroundColor, figures, context }: {
+        width: any;
+        height: any;
+        backgroundColor: any;
+        figures: any;
+        context: any;
+    }): any;
+    clear(): void;
+}
diff --git a/node_modules/pdfjs-dist/types/display/worker_options.d.ts b/node_modules/pdfjs-dist/types/display/worker_options.d.ts
new file mode 100644
index 00000000..881a8585
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/worker_options.d.ts
@@ -0,0 +1,27 @@
+export type GlobalWorkerOptionsType = {
+    /**
+     * - Defines global port for worker
+     * process. Overrides the `workerSrc` option.
+     */
+    workerPort: Worker | null;
+    /**
+     * - A string containing the path and filename
+     * of the worker file.
+     *
+     * NOTE: The `workerSrc` option should always be set, in order to prevent any
+     * issues when using the PDF.js library.
+     */
+    workerSrc: string;
+};
+/**
+ * @typedef {Object} GlobalWorkerOptionsType
+ * @property {Worker | null} workerPort - Defines global port for worker
+ *   process. Overrides the `workerSrc` option.
+ * @property {string} workerSrc - A string containing the path and filename
+ *   of the worker file.
+ *
+ *   NOTE: The `workerSrc` option should always be set, in order to prevent any
+ *         issues when using the PDF.js library.
+ */
+/** @type {GlobalWorkerOptionsType} */
+export const GlobalWorkerOptions: GlobalWorkerOptionsType;
diff --git a/node_modules/pdfjs-dist/types/display/xml_parser.d.ts b/node_modules/pdfjs-dist/types/display/xml_parser.d.ts
new file mode 100644
index 00000000..bc697160
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/display/xml_parser.d.ts
@@ -0,0 +1,35 @@
+export class SimpleXMLParser extends XMLParserBase {
+    _currentFragment: any;
+    _stack: any[] | null;
+    _errorCode: number;
+    parseFromString(data: any): {
+        documentElement: any;
+    } | undefined;
+}
+declare class XMLParserBase {
+    _resolveEntities(s: any): any;
+    _parseContent(s: any, start: any): {
+        name: any;
+        attributes: {
+            name: string;
+            value: any;
+        }[];
+        parsed: number;
+    } | null;
+    _parseProcessingInstruction(s: any, start: any): {
+        name: any;
+        value: any;
+        parsed: number;
+    };
+    parseXml(s: any): void;
+    onResolveEntity(name: any): string;
+    onPi(name: any, value: any): void;
+    onComment(text: any): void;
+    onCdata(text: any): void;
+    onDoctype(doctypeContent: any): void;
+    onText(text: any): void;
+    onBeginElement(name: any, attributes: any, isEmpty: any): void;
+    onEndElement(name: any): void;
+    onError(code: any): void;
+}
+export {};
diff --git a/node_modules/pdfjs-dist/types/pdf.d.ts b/node_modules/pdfjs-dist/types/pdf.d.ts
new file mode 100644
index 00000000..fb4ad4d5
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/pdf.d.ts
@@ -0,0 +1,33 @@
+import { addLinkAttributes } from "./display/display_utils.js";
+import { getFilenameFromUrl } from "./display/display_utils.js";
+import { LinkTarget } from "./display/display_utils.js";
+import { loadScript } from "./display/display_utils.js";
+import { PDFDateString } from "./display/display_utils.js";
+import { RenderingCancelledException } from "./display/display_utils.js";
+import { build } from "./display/api.js";
+import { getDocument } from "./display/api.js";
+import { LoopbackPort } from "./display/api.js";
+import { PDFDataRangeTransport } from "./display/api.js";
+import { PDFWorker } from "./display/api.js";
+import { version } from "./display/api.js";
+import { CMapCompressionType } from "./shared/util.js";
+import { createObjectURL } from "./shared/util.js";
+import { createPromiseCapability } from "./shared/util.js";
+import { createValidAbsoluteUrl } from "./shared/util.js";
+import { InvalidPDFException } from "./shared/util.js";
+import { MissingPDFException } from "./shared/util.js";
+import { OPS } from "./shared/util.js";
+import { PasswordResponses } from "./shared/util.js";
+import { PermissionFlag } from "./shared/util.js";
+import { removeNullCharacters } from "./shared/util.js";
+import { shadow } from "./shared/util.js";
+import { UnexpectedResponseException } from "./shared/util.js";
+import { UNSUPPORTED_FEATURES } from "./shared/util.js";
+import { Util } from "./shared/util.js";
+import { VerbosityLevel } from "./shared/util.js";
+import { AnnotationLayer } from "./display/annotation_layer.js";
+import { apiCompatibilityParams } from "./display/api_compatibility.js";
+import { GlobalWorkerOptions } from "./display/worker_options.js";
+import { renderTextLayer } from "./display/text_layer.js";
+import { SVGGraphics } from "./display/svg.js";
+export { addLinkAttributes, getFilenameFromUrl, LinkTarget, loadScript, PDFDateString, RenderingCancelledException, build, getDocument, LoopbackPort, PDFDataRangeTransport, PDFWorker, version, CMapCompressionType, createObjectURL, createPromiseCapability, createValidAbsoluteUrl, InvalidPDFException, MissingPDFException, OPS, PasswordResponses, PermissionFlag, removeNullCharacters, shadow, UnexpectedResponseException, UNSUPPORTED_FEATURES, Util, VerbosityLevel, AnnotationLayer, apiCompatibilityParams, GlobalWorkerOptions, renderTextLayer, SVGGraphics };
diff --git a/node_modules/pdfjs-dist/types/shared/compatibility.d.ts b/node_modules/pdfjs-dist/types/shared/compatibility.d.ts
new file mode 100644
index 00000000..cb0ff5c3
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/shared/compatibility.d.ts
@@ -0,0 +1 @@
+export {};
diff --git a/node_modules/pdfjs-dist/types/shared/is_node.d.ts b/node_modules/pdfjs-dist/types/shared/is_node.d.ts
new file mode 100644
index 00000000..7daf0e35
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/shared/is_node.d.ts
@@ -0,0 +1 @@
+export const isNodeJS: boolean;
diff --git a/node_modules/pdfjs-dist/types/shared/message_handler.d.ts b/node_modules/pdfjs-dist/types/shared/message_handler.d.ts
new file mode 100644
index 00000000..1a2c3f26
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/shared/message_handler.d.ts
@@ -0,0 +1,62 @@
+export class MessageHandler {
+    constructor(sourceName: any, targetName: any, comObj: any);
+    sourceName: any;
+    targetName: any;
+    comObj: any;
+    callbackId: number;
+    streamId: number;
+    postMessageTransfers: boolean;
+    streamSinks: any;
+    streamControllers: any;
+    callbackCapabilities: any;
+    actionHandler: any;
+    _onComObjOnMessage: (event: any) => void;
+    on(actionName: any, handler: any): void;
+    /**
+     * Sends a message to the comObj to invoke the action with the supplied data.
+     * @param {string} actionName - Action to call.
+     * @param {JSON} data - JSON data to send.
+     * @param {Array} [transfers] - List of transfers/ArrayBuffers.
+     */
+    send(actionName: string, data: JSON, transfers?: any[] | undefined): void;
+    /**
+     * Sends a message to the comObj to invoke the action with the supplied data.
+     * Expects that the other side will callback with the response.
+     * @param {string} actionName - Action to call.
+     * @param {JSON} data - JSON data to send.
+     * @param {Array} [transfers] - List of transfers/ArrayBuffers.
+     * @returns {Promise} Promise to be resolved with response data.
+     */
+    sendWithPromise(actionName: string, data: JSON, transfers?: any[] | undefined): Promise<any>;
+    /**
+     * Sends a message to the comObj to invoke the action with the supplied data.
+     * Expect that the other side will callback to signal 'start_complete'.
+     * @param {string} actionName - Action to call.
+     * @param {JSON} data - JSON data to send.
+     * @param {Object} queueingStrategy - Strategy to signal backpressure based on
+     *                 internal queue.
+     * @param {Array} [transfers] - List of transfers/ArrayBuffers.
+     * @returns {ReadableStream} ReadableStream to read data in chunks.
+     */
+    sendWithStream(actionName: string, data: JSON, queueingStrategy: Object, transfers?: any[] | undefined): ReadableStream;
+    /**
+     * @private
+     */
+    private _createStreamSink;
+    /**
+     * @private
+     */
+    private _processStreamMessage;
+    /**
+     * @private
+     */
+    private _deleteStreamController;
+    /**
+     * Sends raw message to the comObj.
+     * @param {Object} message - Raw message.
+     * @param transfers List of transfers/ArrayBuffers, or undefined.
+     * @private
+     */
+    private _postMessage;
+    destroy(): void;
+}
diff --git a/node_modules/pdfjs-dist/types/shared/util.d.ts b/node_modules/pdfjs-dist/types/shared/util.d.ts
new file mode 100644
index 00000000..822a04f8
--- /dev/null
+++ b/node_modules/pdfjs-dist/types/shared/util.d.ts
@@ -0,0 +1,421 @@
+/**
+ * Promise Capability object.
+ */
+export type PromiseCapability = {
+    /**
+     * - A Promise object.
+     */
+    promise: Promise<any>;
+    /**
+     * - If the Promise has been fulfilled/rejected.
+     */
+    settled: boolean;
+    /**
+     * - Fulfills the Promise.
+     */
+    resolve: Function;
+    /**
+     * - Rejects the Promise.
+     */
+    reject: Function;
+};
+/**
+ * @type {any}
+ */
+export const BaseException: any;
+export const FONT_IDENTITY_MATRIX: number[];
+export const IDENTITY_MATRIX: number[];
+export namespace OPS {
+    export const dependency: number;
+    export const setLineWidth: number;
+    export const setLineCap: number;
+    export const setLineJoin: number;
+    export const setMiterLimit: number;
+    export const setDash: number;
+    export const setRenderingIntent: number;
+    export const setFlatness: number;
+    export const setGState: number;
+    export const save: number;
+    export const restore: number;
+    export const transform: number;
+    export const moveTo: number;
+    export const lineTo: number;
+    export const curveTo: number;
+    export const curveTo2: number;
+    export const curveTo3: number;
+    export const closePath: number;
+    export const rectangle: number;
+    export const stroke: number;
+    export const closeStroke: number;
+    export const fill: number;
+    export const eoFill: number;
+    export const fillStroke: number;
+    export const eoFillStroke: number;
+    export const closeFillStroke: number;
+    export const closeEOFillStroke: number;
+    export const endPath: number;
+    export const clip: number;
+    export const eoClip: number;
+    export const beginText: number;
+    export const endText: number;
+    export const setCharSpacing: number;
+    export const setWordSpacing: number;
+    export const setHScale: number;
+    export const setLeading: number;
+    export const setFont: number;
+    export const setTextRenderingMode: number;
+    export const setTextRise: number;
+    export const moveText: number;
+    export const setLeadingMoveText: number;
+    export const setTextMatrix: number;
+    export const nextLine: number;
+    export const showText: number;
+    export const showSpacedText: number;
+    export const nextLineShowText: number;
+    export const nextLineSetSpacingShowText: number;
+    export const setCharWidth: number;
+    export const setCharWidthAndBounds: number;
+    export const setStrokeColorSpace: number;
+    export const setFillColorSpace: number;
+    export const setStrokeColor: number;
+    export const setStrokeColorN: number;
+    export const setFillColor: number;
+    export const setFillColorN: number;
+    export const setStrokeGray: number;
+    export const setFillGray: number;
+    export const setStrokeRGBColor: number;
+    export const setFillRGBColor: number;
+    export const setStrokeCMYKColor: number;
+    export const setFillCMYKColor: number;
+    export const shadingFill: number;
+    export const beginInlineImage: number;
+    export const beginImageData: number;
+    export const endInlineImage: number;
+    export const paintXObject: number;
+    export const markPoint: number;
+    export const markPointProps: number;
+    export const beginMarkedContent: number;
+    export const beginMarkedContentProps: number;
+    export const endMarkedContent: number;
+    export const beginCompat: number;
+    export const endCompat: number;
+    export const paintFormXObjectBegin: number;
+    export const paintFormXObjectEnd: number;
+    export const beginGroup: number;
+    export const endGroup: number;
+    export const beginAnnotations: number;
+    export const endAnnotations: number;
+    export const beginAnnotation: number;
+    export const endAnnotation: number;
+    export const paintJpegXObject: number;
+    export const paintImageMaskXObject: number;
+    export const paintImageMaskXObjectGroup: number;
+    export const paintImageXObject: number;
+    export const paintInlineImageXObject: number;
+    export const paintInlineImageXObjectGroup: number;
+    export const paintImageXObjectRepeat: number;
+    export const paintImageMaskXObjectRepeat: number;
+    export const paintSolidColorImageMask: number;
+    export const constructPath: number;
+}
+export namespace VerbosityLevel {
+    export const ERRORS: number;
+    export const WARNINGS: number;
+    export const INFOS: number;
+}
+export const UNSUPPORTED_FEATURES: {
+    /** @deprecated unused */
+    unknown: string;
+    forms: string;
+    javaScript: string;
+    smask: string;
+    shadingPattern: string;
+    /** @deprecated unused */
+    font: string;
+    errorTilingPattern: string;
+    errorExtGState: string;
+    errorXObject: string;
+    errorFontLoadType3: string;
+    errorFontState: string;
+    errorFontMissing: string;
+    errorFontTranslate: string;
+    errorColorSpace: string;
+    errorOperatorList: string;
+    errorFontToUnicode: string;
+    errorFontLoadNative: string;
+    errorFontGetPath: string;
+    errorMarkedContent: string;
+};
+export namespace AnnotationBorderStyleType {
+    export const SOLID: number;
+    export const DASHED: number;
+    export const BEVELED: number;
+    export const INSET: number;
+    export const UNDERLINE: number;
+}
+export namespace AnnotationFieldFlag {
+    export const READONLY: number;
+    export const REQUIRED: number;
+    export const NOEXPORT: number;
+    export const MULTILINE: number;
+    export const PASSWORD: number;
+    export const NOTOGGLETOOFF: number;
+    export const RADIO: number;
+    export const PUSHBUTTON: number;
+    export const COMBO: number;
+    export const EDIT: number;
+    export const SORT: number;
+    export const FILESELECT: number;
+    export const MULTISELECT: number;
+    export const DONOTSPELLCHECK: number;
+    export const DONOTSCROLL: number;
+    export const COMB: number;
+    export const RICHTEXT: number;
+    export const RADIOSINUNISON: number;
+    export const COMMITONSELCHANGE: number;
+}
+export namespace AnnotationFlag {
+    export const INVISIBLE: number;
+    export const HIDDEN: number;
+    export const PRINT: number;
+    export const NOZOOM: number;
+    export const NOROTATE: number;
+    export const NOVIEW: number;
+    const READONLY_1: number;
+    export { READONLY_1 as READONLY };
+    export const LOCKED: number;
+    export const TOGGLENOVIEW: number;
+    export const LOCKEDCONTENTS: number;
+}
+export namespace AnnotationMarkedState {
+    export const MARKED: string;
+    export const UNMARKED: string;
+}
+export namespace AnnotationReplyType {
+    export const GROUP: string;
+    export const REPLY: string;
+}
+export namespace AnnotationReviewState {
+    export const ACCEPTED: string;
+    export const REJECTED: string;
+    export const CANCELLED: string;
+    export const COMPLETED: string;
+    export const NONE: string;
+}
+export namespace AnnotationStateModelType {
+    const MARKED_1: string;
+    export { MARKED_1 as MARKED };
+    export const REVIEW: string;
+}
+export namespace AnnotationType {
+    export const TEXT: number;
+    export const LINK: number;
+    export const FREETEXT: number;
+    export const LINE: number;
+    export const SQUARE: number;
+    export const CIRCLE: number;
+    export const POLYGON: number;
+    export const POLYLINE: number;
+    export const HIGHLIGHT: number;
+    const UNDERLINE_1: number;
+    export { UNDERLINE_1 as UNDERLINE };
+    export const SQUIGGLY: number;
+    export const STRIKEOUT: number;
+    export const STAMP: number;
+    export const CARET: number;
+    export const INK: number;
+    export const POPUP: number;
+    export const FILEATTACHMENT: number;
+    export const SOUND: number;
+    export const MOVIE: number;
+    export const WIDGET: number;
+    export const SCREEN: number;
+    export const PRINTERMARK: number;
+    export const TRAPNET: number;
+    export const WATERMARK: number;
+    export const THREED: number;
+    export const REDACT: number;
+}
+export namespace FontType {
+    export const UNKNOWN: string;
+    export const TYPE1: string;
+    export const TYPE1C: string;
+    export const CIDFONTTYPE0: string;
+    export const CIDFONTTYPE0C: string;
+    export const TRUETYPE: string;
+    export const CIDFONTTYPE2: string;
+    export const TYPE3: string;
+    export const OPENTYPE: string;
+    export const TYPE0: string;
+    export const MMTYPE1: string;
+}
+export namespace ImageKind {
+    export const GRAYSCALE_1BPP: number;
+    export const RGB_24BPP: number;
+    export const RGBA_32BPP: number;
+}
+export namespace CMapCompressionType {
+    const NONE_1: number;
+    export { NONE_1 as NONE };
+    export const BINARY: number;
+    export const STREAM: number;
+}
+declare const AbortException_base: any;
+/**
+ * Error used to indicate task cancellation.
+ */
+export class AbortException extends AbortException_base {
+    [x: string]: any;
+}
+declare const InvalidPDFException_base: any;
+export class InvalidPDFException extends InvalidPDFException_base {
+    [x: string]: any;
+}
+declare const MissingPDFException_base: any;
+export class MissingPDFException extends MissingPDFException_base {
+    [x: string]: any;
+}
+declare const PasswordException_base: any;
+export class PasswordException extends PasswordException_base {
+    [x: string]: any;
+    constructor(msg: any, code: any);
+    code: any;
+}
+export namespace PasswordResponses {
+    export const NEED_PASSWORD: number;
+    export const INCORRECT_PASSWORD: number;
+}
+export namespace PermissionFlag {
+    const PRINT_1: number;
+    export { PRINT_1 as PRINT };
+    export const MODIFY_CONTENTS: number;
+    export const COPY: number;
+    export const MODIFY_ANNOTATIONS: number;
+    export const FILL_INTERACTIVE_FORMS: number;
+    export const COPY_FOR_ACCESSIBILITY: number;
+    export const ASSEMBLE: number;
+    export const PRINT_HIGH_QUALITY: number;
+}
+export namespace StreamType {
+    const UNKNOWN_1: string;
+    export { UNKNOWN_1 as UNKNOWN };
+    export const FLATE: string;
+    export const LZW: string;
+    export const DCT: string;
+    export const JPX: string;
+    export const JBIG: string;
+    export const A85: string;
+    export const AHX: string;
+    export const CCF: string;
+    export const RLX: string;
+}
+export namespace TextRenderingMode {
+    export const FILL: number;
+    export const STROKE: number;
+    export const FILL_STROKE: number;
+    const INVISIBLE_1: number;
+    export { INVISIBLE_1 as INVISIBLE };
+    export const FILL_ADD_TO_PATH: number;
+    export const STROKE_ADD_TO_PATH: number;
+    export const FILL_STROKE_ADD_TO_PATH: number;
+    export const ADD_TO_PATH: number;
+    export const FILL_STROKE_MASK: number;
+    export const ADD_TO_PATH_FLAG: number;
+}
+declare const UnexpectedResponseException_base: any;
+export class UnexpectedResponseException extends UnexpectedResponseException_base {
+    [x: string]: any;
+    constructor(msg: any, status: any);
+    status: any;
+}
+declare const UnknownErrorException_base: any;
+export class UnknownErrorException extends UnknownErrorException_base {
+    [x: string]: any;
+    constructor(msg: any, details: any);
+    details: any;
+}
+export class Util {
+    static makeCssRgb(r: any, g: any, b: any): string;
+    static transform(m1: any, m2: any): any[];
+    static applyTransform(p: any, m: any): any[];
+    static applyInverseTransform(p: any, m: any): number[];
+    static getAxialAlignedBoundingBox(r: any, m: any): number[];
+    static inverseTransform(m: any): number[];
+    static apply3dTransform(m: any, v: any): number[];
+    static singularValueDecompose2dScale(m: any): number[];
+    static normalizeRect(rect: any): any;
+    static intersect(rect1: any, rect2: any): any[] | null;
+}
+declare const FormatError_base: any;
+/**
+ * Error caused during parsing PDF data.
+ */
+export class FormatError extends FormatError_base {
+    [x: string]: any;
+}
+/**
+ * Gets length of the array (Array, Uint8Array, or string) in bytes.
+ * @param {Array<any>|Uint8Array|string} arr
+ * @returns {number}
+ */
+export function arrayByteLength(arr: Array<any> | Uint8Array | string): number;
+/**
+ * Combines array items (arrays) into single Uint8Array object.
+ * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays
+ *   (Array, Uint8Array, or string).
+ * @returns {Uint8Array}
+ */
+export function arraysToBytes(arr: Array<Array<any> | Uint8Array | string>): Uint8Array;
+export function assert(cond: any, msg: any): void;
+export function bytesToString(bytes: any): string;
+/**
+ * Promise Capability object.
+ *
+ * @typedef {Object} PromiseCapability
+ * @property {Promise<any>} promise - A Promise object.
+ * @property {boolean} settled - If the Promise has been fulfilled/rejected.
+ * @property {function} resolve - Fulfills the Promise.
+ * @property {function} reject - Rejects the Promise.
+ */
+/**
+ * Creates a promise capability object.
+ * @alias createPromiseCapability
+ *
+ * @returns {PromiseCapability}
+ */
+export function createPromiseCapability(): PromiseCapability;
+export function createObjectURL(data: any, contentType: any, forceDataSchema?: boolean): string;
+export function escapeString(str: any): any;
+export function getModificationDate(date?: Date): string;
+export function getVerbosityLevel(): number;
+export function info(msg: any): void;
+export function isArrayBuffer(v: any): boolean;
+export function isArrayEqual(arr1: any, arr2: any): any;
+export function isBool(v: any): boolean;
+export function isNum(v: any): boolean;
+export function isString(v: any): boolean;
+export function isSameOrigin(baseUrl: any, otherUrl: any): boolean;
+/**
+ * Attempts to create a valid absolute URL.
+ *
+ * @param {URL|string} url - An absolute, or relative, URL.
+ * @param {URL|string} baseUrl - An absolute URL.
+ * @returns Either a valid {URL}, or `null` otherwise.
+ */
+export function createValidAbsoluteUrl(url: URL | string, baseUrl: URL | string): URL | null;
+export namespace IsLittleEndianCached { }
+export namespace IsEvalSupportedCached { }
+/**
+ * @param {string} str
+ */
+export function removeNullCharacters(str: string): string;
+export function setVerbosityLevel(level: any): void;
+export function shadow(obj: any, prop: any, value: any): any;
+export function string32(value: any): string;
+export function stringToBytes(str: any): Uint8Array;
+export function stringToPDFString(str: any): string;
+export function stringToUTF8String(str: any): string;
+export function utf8StringToString(str: any): string;
+export function warn(msg: any): void;
+export function unreachable(msg: any): void;
+export {};
diff --git a/node_modules/pdfjs-dist/web/images/annotation-check.svg b/node_modules/pdfjs-dist/web/images/annotation-check.svg
new file mode 100644
index 00000000..71cd16df
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-check.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <path
+     d="M 1.5006714,23.536225 6.8925879,18.994244 14.585721,26.037937 34.019683,4.5410479 38.499329,9.2235032 14.585721,35.458952 z"
+     id="path4"
+     style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.25402856;stroke-opacity:1" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-comment.svg b/node_modules/pdfjs-dist/web/images/annotation-comment.svg
new file mode 100644
index 00000000..86f1f172
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-comment.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   height="40"
+   width="40"
+   viewBox="0 0 40 40">
+  <rect
+     style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+     width="33.76017"
+     height="33.76017"
+     x="3.119915"
+     y="3.119915" />
+  <path
+     d="m 20.677967,8.54499 c -7.342801,0 -13.295293,4.954293 -13.295293,11.065751 0,2.088793 0.3647173,3.484376 1.575539,5.150563 L 6.0267418,31.45501 13.560595,29.011117 c 2.221262,1.387962 4.125932,1.665377 7.117372,1.665377 7.3428,0 13.295291,-4.954295 13.295291,-11.065753 0,-6.111458 -5.952491,-11.065751 -13.295291,-11.065751 z"
+     style="fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.93031836;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"/>
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-help.svg b/node_modules/pdfjs-dist/web/images/annotation-help.svg
new file mode 100644
index 00000000..00938fef
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-help.svg
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <g
+     transform="translate(0,-60)"
+     id="layer1">
+    <rect
+       width="36.460953"
+       height="34.805603"
+       x="1.7695236"
+       y="62.597198"
+       style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.30826771;stroke-opacity:1" />
+    <g
+       transform="matrix(0.88763677,0,0,0.88763677,2.2472646,8.9890584)">
+      <path
+         d="M 20,64.526342 C 11.454135,64.526342 4.5263421,71.454135 4.5263421,80 4.5263421,88.545865 11.454135,95.473658 20,95.473658 28.545865,95.473658 35.473658,88.545865 35.473658,80 35.473658,71.454135 28.545865,64.526342 20,64.526342 z m -0.408738,9.488564 c 3.527079,0 6.393832,2.84061 6.393832,6.335441 0,3.494831 -2.866753,6.335441 -6.393832,6.335441 -3.527079,0 -6.393832,-2.84061 -6.393832,-6.335441 0,-3.494831 2.866753,-6.335441 6.393832,-6.335441 z"
+         style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:#000000;stroke-width:1.02768445;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 7.2335209,71.819938 4.9702591,4.161823 c -1.679956,2.581606 -1.443939,6.069592 0.159325,8.677725 l -5.1263071,3.424463 c 0.67516,1.231452 3.0166401,3.547686 4.2331971,4.194757 l 3.907728,-4.567277 c 2.541952,1.45975 5.730694,1.392161 8.438683,-0.12614 l 3.469517,6.108336 c 1.129779,-0.44367 4.742234,-3.449633 5.416358,-5.003859 l -5.46204,-4.415541 c 1.44319,-2.424098 1.651175,-5.267515 0.557303,-7.748623 l 5.903195,-3.833951 C 33.14257,71.704996 30.616217,69.018606 29.02952,67.99296 l -4.118813,4.981678 C 22.411934,71.205099 18.900853,70.937534 16.041319,72.32916 l -3.595408,-5.322091 c -1.345962,0.579488 -4.1293881,2.921233 -5.2123901,4.812869 z m 8.1010311,3.426672 c 2.75284,-2.446266 6.769149,-2.144694 9.048998,0.420874 2.279848,2.56557 2.113919,6.596919 -0.638924,9.043185 -2.752841,2.446267 -6.775754,2.13726 -9.055604,-0.428308 -2.279851,-2.565568 -2.107313,-6.589485 0.64553,-9.035751 z"
+         style="fill:#000000;fill-opacity:1;stroke:none" />
+    </g>
+  </g>
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-insert.svg b/node_modules/pdfjs-dist/web/images/annotation-insert.svg
new file mode 100644
index 00000000..519ef682
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-insert.svg
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64">
+  <path
+     d="M 32.003143,1.4044602 57.432701,62.632577 6.5672991,62.627924 z"
+     style="fill:#ffff00;fill-opacity:0.94117647;fill-rule:nonzero;stroke:#000000;stroke-width:1.00493038;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-key.svg b/node_modules/pdfjs-dist/web/images/annotation-key.svg
new file mode 100644
index 00000000..8d09d537
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-key.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64">
+  <path
+     d="M 25.470843,9.4933766 C 25.30219,12.141818 30.139101,14.445969 34.704831,13.529144 40.62635,12.541995 41.398833,7.3856498 35.97505,5.777863 31.400921,4.1549155 25.157674,6.5445892 25.470843,9.4933766 z M 4.5246282,17.652051 C 4.068249,11.832873 9.2742983,5.9270407 18.437379,3.0977088 29.751911,-0.87185184 45.495663,1.4008022 53.603953,7.1104009 c 9.275765,6.1889221 7.158128,16.2079421 -3.171076,21.5939521 -1.784316,1.635815 -6.380222,1.21421 -7.068351,3.186186 -1.04003,0.972427 -1.288046,2.050158 -1.232864,3.168203 1.015111,2.000108 -3.831548,1.633216 -3.270553,3.759574 0.589477,5.264544 -0.179276,10.53738 -0.362842,15.806257 -0.492006,2.184998 1.163456,4.574232 -0.734888,6.610642 -2.482919,2.325184 -7.30604,2.189143 -9.193497,-0.274767 -2.733688,-1.740626 -8.254447,-3.615254 -6.104247,-6.339626 3.468112,-1.708686 -2.116197,-3.449897 0.431242,-5.080274 5.058402,-1.39256 -2.393215,-2.304318 -0.146889,-4.334645 3.069198,-0.977415 2.056986,-2.518352 -0.219121,-3.540397 1.876567,-1.807151 1.484149,-4.868919 -2.565455,-5.942205 0.150866,-1.805474 2.905737,-4.136876 -1.679967,-5.20493 C 10.260902,27.882167 4.6872697,22.95045 4.5245945,17.652051 z"
+     id="path604"
+     style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.72665179;stroke-opacity:1" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-newparagraph.svg b/node_modules/pdfjs-dist/web/images/annotation-newparagraph.svg
new file mode 100644
index 00000000..38d2497d
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-newparagraph.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64">
+  <path
+     d="M 32.003143,10.913072 57.432701,53.086929 6.567299,53.083723 z"
+     id="path2985"
+     style="fill:#ffff00;fill-opacity:0.94117647;fill-rule:nonzero;stroke:#000000;stroke-width:0.83403099;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-noicon.svg b/node_modules/pdfjs-dist/web/images/annotation-noicon.svg
new file mode 100644
index 00000000..c07d1080
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-noicon.svg
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-note.svg b/node_modules/pdfjs-dist/web/images/annotation-note.svg
new file mode 100644
index 00000000..70173651
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-note.svg
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <rect
+     width="36.075428"
+     height="31.096582"
+     x="1.962286"
+     y="4.4517088"
+     id="rect4"
+     style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.23004246;stroke-opacity:1" />
+  <rect
+     width="27.96859"
+     height="1.5012145"
+     x="6.0157046"
+     y="10.285"
+     id="rect6"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
+     width="27.96859"
+     height="0.85783684"
+     x="6.0157056"
+     y="23.21689"
+     id="rect8"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
+     width="27.96859"
+     height="0.85783684"
+     x="5.8130345"
+     y="28.964394"
+     id="rect10"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+  <rect
+     width="27.96859"
+     height="0.85783684"
+     x="6.0157046"
+     y="17.426493"
+     id="rect12"
+     style="fill:#000000;fill-opacity:1;stroke:none" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/annotation-paragraph.svg b/node_modules/pdfjs-dist/web/images/annotation-paragraph.svg
new file mode 100644
index 00000000..6ae5212b
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/images/annotation-paragraph.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   width="40"
+   height="40"
+   viewBox="0 0 40 40">
+  <rect
+     width="33.76017"
+     height="33.76017"
+     x="3.119915"
+     y="3.119915"
+     style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+  <path
+     d="m 17.692678,34.50206 0,-16.182224 c -1.930515,-0.103225 -3.455824,-0.730383 -4.57593,-1.881473 -1.12011,-1.151067 -1.680164,-2.619596 -1.680164,-4.405591 0,-1.992435 0.621995,-3.5796849 1.865988,-4.7617553 1.243989,-1.1820288 3.06352,-1.7730536 5.458598,-1.7730764 l 9.802246,0 0,2.6789711 -2.229895,0 0,26.3251486 -2.632515,0 0,-26.3251486 -3.45324,0 0,26.3251486 z"
+     style="font-size:29.42051125px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:1.07795751;stroke-opacity:1;font-family:Arial;-inkscape-font-specification:Arial" />
+</svg>
diff --git a/node_modules/pdfjs-dist/web/images/loading-icon.gif b/node_modules/pdfjs-dist/web/images/loading-icon.gif
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diff --git a/node_modules/pdfjs-dist/web/images/shadow.png b/node_modules/pdfjs-dist/web/images/shadow.png
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diff --git a/node_modules/pdfjs-dist/web/pdf_viewer.css b/node_modules/pdfjs-dist/web/pdf_viewer.css
new file mode 100644
index 00000000..4da41449
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/pdf_viewer.css
@@ -0,0 +1,406 @@
+/* Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.textLayer {
+  position: absolute;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  overflow: hidden;
+  opacity: 0.2;
+  line-height: 1;
+}
+
+.textLayer > span {
+  color: transparent;
+  position: absolute;
+  white-space: pre;
+  cursor: text;
+  transform-origin: 0% 0%;
+}
+
+.textLayer .highlight {
+  margin: -1px;
+  padding: 1px;
+  background-color: rgba(180, 0, 170, 1);
+  border-radius: 4px;
+}
+
+.textLayer .highlight.begin {
+  border-radius: 4px 0px 0px 4px;
+}
+
+.textLayer .highlight.end {
+  border-radius: 0px 4px 4px 0px;
+}
+
+.textLayer .highlight.middle {
+  border-radius: 0px;
+}
+
+.textLayer .highlight.selected {
+  background-color: rgba(0, 100, 0, 1);
+}
+
+.textLayer ::-moz-selection {
+  background: rgba(0, 0, 255, 1);
+}
+
+.textLayer ::selection {
+  background: rgba(0, 0, 255, 1);
+}
+
+.textLayer .endOfContent {
+  display: block;
+  position: absolute;
+  left: 0px;
+  top: 100%;
+  right: 0px;
+  bottom: 0px;
+  z-index: -1;
+  cursor: default;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+}
+
+.textLayer .endOfContent.active {
+  top: 0px;
+}
+
+
+.annotationLayer section {
+  position: absolute;
+}
+
+.annotationLayer .linkAnnotation > a,
+.annotationLayer .buttonWidgetAnnotation.pushButton > a {
+  position: absolute;
+  font-size: 1em;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.annotationLayer .linkAnnotation > a:hover,
+.annotationLayer .buttonWidgetAnnotation.pushButton > a:hover {
+  opacity: 0.2;
+  background: rgba(255, 255, 0, 1);
+  box-shadow: 0px 2px 10px rgba(255, 255, 0, 1);
+}
+
+.annotationLayer .textAnnotation img {
+  position: absolute;
+  cursor: pointer;
+}
+
+.annotationLayer .textWidgetAnnotation input,
+.annotationLayer .textWidgetAnnotation textarea,
+.annotationLayer .choiceWidgetAnnotation select,
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  background-color: rgba(0, 54, 255, 0.13);
+  border: 1px solid transparent;
+  box-sizing: border-box;
+  font-size: 9px;
+  height: 100%;
+  margin: 0;
+  padding: 0 3px;
+  vertical-align: top;
+  width: 100%;
+}
+
+.annotationLayer .choiceWidgetAnnotation select option {
+  padding: 0;
+}
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  border-radius: 50%;
+}
+
+.annotationLayer .textWidgetAnnotation textarea {
+  font: message-box;
+  font-size: 9px;
+  resize: none;
+}
+
+.annotationLayer .textWidgetAnnotation input[disabled],
+.annotationLayer .textWidgetAnnotation textarea[disabled],
+.annotationLayer .choiceWidgetAnnotation select[disabled],
+.annotationLayer .buttonWidgetAnnotation.checkBox input[disabled],
+.annotationLayer .buttonWidgetAnnotation.radioButton input[disabled] {
+  background: none;
+  border: 1px solid transparent;
+  cursor: not-allowed;
+}
+
+.annotationLayer .textWidgetAnnotation input:hover,
+.annotationLayer .textWidgetAnnotation textarea:hover,
+.annotationLayer .choiceWidgetAnnotation select:hover,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:hover,
+.annotationLayer .buttonWidgetAnnotation.radioButton input:hover {
+  border: 1px solid rgba(0, 0, 0, 1);
+}
+
+.annotationLayer .textWidgetAnnotation input:focus,
+.annotationLayer .textWidgetAnnotation textarea:focus,
+.annotationLayer .choiceWidgetAnnotation select:focus {
+  background: none;
+  border: 1px solid transparent;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after,
+.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before {
+  background-color: rgba(0, 0, 0, 1);
+  content: "";
+  display: block;
+  position: absolute;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after {
+  height: 80%;
+  left: 45%;
+  width: 1px;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before {
+  transform: rotate(45deg);
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after {
+  transform: rotate(-45deg);
+}
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before {
+  border-radius: 50%;
+  height: 50%;
+  left: 30%;
+  top: 20%;
+  width: 50%;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb {
+  font-family: monospace;
+  padding-left: 2px;
+  padding-right: 0;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb:focus {
+  /*
+   * Letter spacing is placed on the right side of each character. Hence, the
+   * letter spacing of the last character may be placed outside the visible
+   * area, causing horizontal scrolling. We avoid this by extending the width
+   * when the element has focus and revert this when it loses focus.
+   */
+  width: 115%;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none;
+  padding: 0;
+}
+
+.annotationLayer .popupWrapper {
+  position: absolute;
+  width: 20em;
+}
+
+.annotationLayer .popup {
+  position: absolute;
+  z-index: 200;
+  max-width: 20em;
+  background-color: rgba(255, 255, 153, 1);
+  box-shadow: 0px 2px 5px rgba(136, 136, 136, 1);
+  border-radius: 2px;
+  padding: 6px;
+  margin-left: 5px;
+  cursor: pointer;
+  font: message-box;
+  font-size: 9px;
+  word-wrap: break-word;
+}
+
+.annotationLayer .popup > * {
+  font-size: 9px;
+}
+
+.annotationLayer .popup h1 {
+  display: inline-block;
+}
+
+.annotationLayer .popup span {
+  display: inline-block;
+  margin-left: 5px;
+}
+
+.annotationLayer .popup p {
+  border-top: 1px solid rgba(51, 51, 51, 1);
+  margin-top: 2px;
+  padding-top: 2px;
+}
+
+.annotationLayer .highlightAnnotation,
+.annotationLayer .underlineAnnotation,
+.annotationLayer .squigglyAnnotation,
+.annotationLayer .strikeoutAnnotation,
+.annotationLayer .freeTextAnnotation,
+.annotationLayer .lineAnnotation svg line,
+.annotationLayer .squareAnnotation svg rect,
+.annotationLayer .circleAnnotation svg ellipse,
+.annotationLayer .polylineAnnotation svg polyline,
+.annotationLayer .polygonAnnotation svg polygon,
+.annotationLayer .caretAnnotation,
+.annotationLayer .inkAnnotation svg polyline,
+.annotationLayer .stampAnnotation,
+.annotationLayer .fileAttachmentAnnotation {
+  cursor: pointer;
+}
+
+.pdfViewer .canvasWrapper {
+  overflow: hidden;
+}
+
+.pdfViewer .page {
+  direction: ltr;
+  width: 816px;
+  height: 1056px;
+  margin: 1px auto -8px auto;
+  position: relative;
+  overflow: visible;
+  border: 9px solid transparent;
+  background-clip: content-box;
+  -o-border-image: url(images/shadow.png) 9 9 repeat;
+     border-image: url(images/shadow.png) 9 9 repeat;
+  background-color: rgba(255, 255, 255, 1);
+}
+
+.pdfViewer.removePageBorders .page {
+  margin: 0px auto 10px auto;
+  border: none;
+}
+
+.pdfViewer.singlePageView {
+  display: inline-block;
+}
+
+.pdfViewer.singlePageView .page {
+  margin: 0;
+  border: none;
+}
+
+.pdfViewer.scrollHorizontal,
+.pdfViewer.scrollWrapped,
+.spread {
+  margin-left: 3.5px;
+  margin-right: 3.5px;
+  text-align: center;
+}
+
+.pdfViewer.scrollHorizontal,
+.spread {
+  white-space: nowrap;
+}
+
+.pdfViewer.removePageBorders,
+.pdfViewer.scrollHorizontal .spread,
+.pdfViewer.scrollWrapped .spread {
+  margin-left: 0;
+  margin-right: 0;
+}
+
+.spread .page,
+.pdfViewer.scrollHorizontal .page,
+.pdfViewer.scrollWrapped .page,
+.pdfViewer.scrollHorizontal .spread,
+.pdfViewer.scrollWrapped .spread {
+  display: inline-block;
+  vertical-align: middle;
+}
+
+.spread .page,
+.pdfViewer.scrollHorizontal .page,
+.pdfViewer.scrollWrapped .page {
+  margin-left: -3.5px;
+  margin-right: -3.5px;
+}
+
+.pdfViewer.removePageBorders .spread .page,
+.pdfViewer.removePageBorders.scrollHorizontal .page,
+.pdfViewer.removePageBorders.scrollWrapped .page {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+.pdfViewer .page canvas {
+  margin: 0;
+  display: block;
+}
+
+.pdfViewer .page canvas[hidden] {
+  display: none;
+}
+
+.pdfViewer .page .loadingIcon {
+  position: absolute;
+  display: block;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  background: url("images/loading-icon.gif") center no-repeat;
+}
+
+.pdfPresentationMode .pdfViewer {
+  margin-left: 0;
+  margin-right: 0;
+}
+
+.pdfPresentationMode .pdfViewer .page,
+.pdfPresentationMode .pdfViewer .spread {
+  display: block;
+}
+
+.pdfPresentationMode .pdfViewer .page,
+.pdfPresentationMode .pdfViewer.removePageBorders .page {
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.pdfPresentationMode:-ms-fullscreen .pdfViewer .page {
+  margin-bottom: 100% !important;
+}
+
+.pdfPresentationMode:-webkit-full-screen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
+
+.pdfPresentationMode:-moz-full-screen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
+
+.pdfPresentationMode:fullscreen .pdfViewer .page {
+  margin-bottom: 100%;
+  border: 0;
+}
diff --git a/node_modules/pdfjs-dist/web/pdf_viewer.js b/node_modules/pdfjs-dist/web/pdf_viewer.js
new file mode 100644
index 00000000..4a17a5df
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/pdf_viewer.js
@@ -0,0 +1,6440 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/web/pdf_viewer", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/web/pdf_viewer"] = factory();
+	else
+		root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "AnnotationLayerBuilder", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer_builder.AnnotationLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "DefaultAnnotationLayerFactory", {
+  enumerable: true,
+  get: function () {
+    return _annotation_layer_builder.DefaultAnnotationLayerFactory;
+  }
+});
+Object.defineProperty(exports, "DefaultTextLayerFactory", {
+  enumerable: true,
+  get: function () {
+    return _text_layer_builder.DefaultTextLayerFactory;
+  }
+});
+Object.defineProperty(exports, "TextLayerBuilder", {
+  enumerable: true,
+  get: function () {
+    return _text_layer_builder.TextLayerBuilder;
+  }
+});
+Object.defineProperty(exports, "EventBus", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.EventBus;
+  }
+});
+Object.defineProperty(exports, "NullL10n", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.NullL10n;
+  }
+});
+Object.defineProperty(exports, "ProgressBar", {
+  enumerable: true,
+  get: function () {
+    return _ui_utils.ProgressBar;
+  }
+});
+Object.defineProperty(exports, "PDFLinkService", {
+  enumerable: true,
+  get: function () {
+    return _pdf_link_service.PDFLinkService;
+  }
+});
+Object.defineProperty(exports, "SimpleLinkService", {
+  enumerable: true,
+  get: function () {
+    return _pdf_link_service.SimpleLinkService;
+  }
+});
+Object.defineProperty(exports, "DownloadManager", {
+  enumerable: true,
+  get: function () {
+    return _download_manager.DownloadManager;
+  }
+});
+Object.defineProperty(exports, "GenericL10n", {
+  enumerable: true,
+  get: function () {
+    return _genericl10n.GenericL10n;
+  }
+});
+Object.defineProperty(exports, "PDFFindController", {
+  enumerable: true,
+  get: function () {
+    return _pdf_find_controller.PDFFindController;
+  }
+});
+Object.defineProperty(exports, "PDFHistory", {
+  enumerable: true,
+  get: function () {
+    return _pdf_history.PDFHistory;
+  }
+});
+Object.defineProperty(exports, "PDFPageView", {
+  enumerable: true,
+  get: function () {
+    return _pdf_page_view.PDFPageView;
+  }
+});
+Object.defineProperty(exports, "PDFSinglePageViewer", {
+  enumerable: true,
+  get: function () {
+    return _pdf_single_page_viewer.PDFSinglePageViewer;
+  }
+});
+Object.defineProperty(exports, "PDFViewer", {
+  enumerable: true,
+  get: function () {
+    return _pdf_viewer.PDFViewer;
+  }
+});
+
+var _annotation_layer_builder = __w_pdfjs_require__(1);
+
+var _text_layer_builder = __w_pdfjs_require__(5);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_link_service = __w_pdfjs_require__(4);
+
+var _download_manager = __w_pdfjs_require__(6);
+
+var _genericl10n = __w_pdfjs_require__(8);
+
+var _pdf_find_controller = __w_pdfjs_require__(10);
+
+var _pdf_history = __w_pdfjs_require__(12);
+
+var _pdf_page_view = __w_pdfjs_require__(13);
+
+var _pdf_single_page_viewer = __w_pdfjs_require__(15);
+
+var _pdf_viewer = __w_pdfjs_require__(17);
+
+const pdfjsVersion = '2.6.347';
+const pdfjsBuild = '3be9c65f';
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_link_service = __w_pdfjs_require__(4);
+
+class AnnotationLayerBuilder {
+  constructor({
+    pageDiv,
+    pdfPage,
+    linkService,
+    downloadManager,
+    annotationStorage = null,
+    imageResourcesPath = "",
+    renderInteractiveForms = true,
+    l10n = _ui_utils.NullL10n
+  }) {
+    this.pageDiv = pageDiv;
+    this.pdfPage = pdfPage;
+    this.linkService = linkService;
+    this.downloadManager = downloadManager;
+    this.imageResourcesPath = imageResourcesPath;
+    this.renderInteractiveForms = renderInteractiveForms;
+    this.l10n = l10n;
+    this.annotationStorage = annotationStorage;
+    this.div = null;
+    this._cancelled = false;
+  }
+
+  render(viewport, intent = "display") {
+    return this.pdfPage.getAnnotations({
+      intent
+    }).then(annotations => {
+      if (this._cancelled) {
+        return;
+      }
+
+      if (annotations.length === 0) {
+        return;
+      }
+
+      const parameters = {
+        viewport: viewport.clone({
+          dontFlip: true
+        }),
+        div: this.div,
+        annotations,
+        page: this.pdfPage,
+        imageResourcesPath: this.imageResourcesPath,
+        renderInteractiveForms: this.renderInteractiveForms,
+        linkService: this.linkService,
+        downloadManager: this.downloadManager,
+        annotationStorage: this.annotationStorage
+      };
+
+      if (this.div) {
+        _pdfjsLib.AnnotationLayer.update(parameters);
+      } else {
+        this.div = document.createElement("div");
+        this.div.className = "annotationLayer";
+        this.pageDiv.appendChild(this.div);
+        parameters.div = this.div;
+
+        _pdfjsLib.AnnotationLayer.render(parameters);
+
+        this.l10n.translate(this.div);
+      }
+    });
+  }
+
+  cancel() {
+    this._cancelled = true;
+  }
+
+  hide() {
+    if (!this.div) {
+      return;
+    }
+
+    this.div.setAttribute("hidden", "true");
+  }
+
+}
+
+exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
+
+class DefaultAnnotationLayerFactory {
+  createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = true, l10n = _ui_utils.NullL10n) {
+    return new AnnotationLayerBuilder({
+      pageDiv,
+      pdfPage,
+      imageResourcesPath,
+      renderInteractiveForms,
+      linkService: new _pdf_link_service.SimpleLinkService(),
+      l10n,
+      annotationStorage
+    });
+  }
+
+}
+
+exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+let pdfjsLib;
+
+if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
+  pdfjsLib = window["pdfjs-dist/build/pdf"];
+} else {
+  pdfjsLib = require("../build/pdf.js");
+}
+
+module.exports = pdfjsLib;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isValidRotation = isValidRotation;
+exports.isValidScrollMode = isValidScrollMode;
+exports.isValidSpreadMode = isValidSpreadMode;
+exports.isPortraitOrientation = isPortraitOrientation;
+exports.clamp = clamp;
+exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
+exports.noContextMenuHandler = noContextMenuHandler;
+exports.parseQueryString = parseQueryString;
+exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
+exports.getVisibleElements = getVisibleElements;
+exports.roundToDivide = roundToDivide;
+exports.getPageSizeInches = getPageSizeInches;
+exports.approximateFraction = approximateFraction;
+exports.getOutputScale = getOutputScale;
+exports.scrollIntoView = scrollIntoView;
+exports.watchScroll = watchScroll;
+exports.binarySearchFirstItem = binarySearchFirstItem;
+exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
+exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
+exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
+exports.moveToEndOfArray = moveToEndOfArray;
+exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0;
+const CSS_UNITS = 96.0 / 72.0;
+exports.CSS_UNITS = CSS_UNITS;
+const DEFAULT_SCALE_VALUE = "auto";
+exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
+const DEFAULT_SCALE = 1.0;
+exports.DEFAULT_SCALE = DEFAULT_SCALE;
+const MIN_SCALE = 0.1;
+exports.MIN_SCALE = MIN_SCALE;
+const MAX_SCALE = 10.0;
+exports.MAX_SCALE = MAX_SCALE;
+const UNKNOWN_SCALE = 0;
+exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
+const MAX_AUTO_SCALE = 1.25;
+exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
+const SCROLLBAR_PADDING = 40;
+exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
+const VERTICAL_PADDING = 5;
+exports.VERTICAL_PADDING = VERTICAL_PADDING;
+const PresentationModeState = {
+  UNKNOWN: 0,
+  NORMAL: 1,
+  CHANGING: 2,
+  FULLSCREEN: 3
+};
+exports.PresentationModeState = PresentationModeState;
+const RendererType = {
+  CANVAS: "canvas",
+  SVG: "svg"
+};
+exports.RendererType = RendererType;
+const TextLayerMode = {
+  DISABLE: 0,
+  ENABLE: 1,
+  ENABLE_ENHANCE: 2
+};
+exports.TextLayerMode = TextLayerMode;
+const ScrollMode = {
+  UNKNOWN: -1,
+  VERTICAL: 0,
+  HORIZONTAL: 1,
+  WRAPPED: 2
+};
+exports.ScrollMode = ScrollMode;
+const SpreadMode = {
+  UNKNOWN: -1,
+  NONE: 0,
+  ODD: 1,
+  EVEN: 2
+};
+exports.SpreadMode = SpreadMode;
+const AutoPrintRegExp = /\bprint\s*\(/;
+exports.AutoPrintRegExp = AutoPrintRegExp;
+
+function formatL10nValue(text, args) {
+  if (!args) {
+    return text;
+  }
+
+  return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
+    return name in args ? args[name] : "{{" + name + "}}";
+  });
+}
+
+const NullL10n = {
+  async getLanguage() {
+    return "en-us";
+  },
+
+  async getDirection() {
+    return "ltr";
+  },
+
+  async get(property, args, fallback) {
+    return formatL10nValue(fallback, args);
+  },
+
+  async translate(element) {}
+
+};
+exports.NullL10n = NullL10n;
+
+function getOutputScale(ctx) {
+  const devicePixelRatio = window.devicePixelRatio || 1;
+  const backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
+  const pixelRatio = devicePixelRatio / backingStoreRatio;
+  return {
+    sx: pixelRatio,
+    sy: pixelRatio,
+    scaled: pixelRatio !== 1
+  };
+}
+
+function scrollIntoView(element, spot, skipOverflowHiddenElements = false) {
+  let parent = element.offsetParent;
+
+  if (!parent) {
+    console.error("offsetParent is not set -- cannot scroll");
+    return;
+  }
+
+  let offsetY = element.offsetTop + element.clientTop;
+  let offsetX = element.offsetLeft + element.clientLeft;
+
+  while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
+    if (parent.dataset._scaleY) {
+      offsetY /= parent.dataset._scaleY;
+      offsetX /= parent.dataset._scaleX;
+    }
+
+    offsetY += parent.offsetTop;
+    offsetX += parent.offsetLeft;
+    parent = parent.offsetParent;
+
+    if (!parent) {
+      return;
+    }
+  }
+
+  if (spot) {
+    if (spot.top !== undefined) {
+      offsetY += spot.top;
+    }
+
+    if (spot.left !== undefined) {
+      offsetX += spot.left;
+      parent.scrollLeft = offsetX;
+    }
+  }
+
+  parent.scrollTop = offsetY;
+}
+
+function watchScroll(viewAreaElement, callback) {
+  const debounceScroll = function (evt) {
+    if (rAF) {
+      return;
+    }
+
+    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+      rAF = null;
+      const currentX = viewAreaElement.scrollLeft;
+      const lastX = state.lastX;
+
+      if (currentX !== lastX) {
+        state.right = currentX > lastX;
+      }
+
+      state.lastX = currentX;
+      const currentY = viewAreaElement.scrollTop;
+      const lastY = state.lastY;
+
+      if (currentY !== lastY) {
+        state.down = currentY > lastY;
+      }
+
+      state.lastY = currentY;
+      callback(state);
+    });
+  };
+
+  const state = {
+    right: true,
+    down: true,
+    lastX: viewAreaElement.scrollLeft,
+    lastY: viewAreaElement.scrollTop,
+    _eventHandler: debounceScroll
+  };
+  let rAF = null;
+  viewAreaElement.addEventListener("scroll", debounceScroll, true);
+  return state;
+}
+
+function parseQueryString(query) {
+  const parts = query.split("&");
+  const params = Object.create(null);
+
+  for (let i = 0, ii = parts.length; i < ii; ++i) {
+    const param = parts[i].split("=");
+    const key = param[0].toLowerCase();
+    const value = param.length > 1 ? param[1] : null;
+    params[decodeURIComponent(key)] = decodeURIComponent(value);
+  }
+
+  return params;
+}
+
+function binarySearchFirstItem(items, condition) {
+  let minIndex = 0;
+  let maxIndex = items.length - 1;
+
+  if (maxIndex < 0 || !condition(items[maxIndex])) {
+    return items.length;
+  }
+
+  if (condition(items[minIndex])) {
+    return minIndex;
+  }
+
+  while (minIndex < maxIndex) {
+    const currentIndex = minIndex + maxIndex >> 1;
+    const currentItem = items[currentIndex];
+
+    if (condition(currentItem)) {
+      maxIndex = currentIndex;
+    } else {
+      minIndex = currentIndex + 1;
+    }
+  }
+
+  return minIndex;
+}
+
+function approximateFraction(x) {
+  if (Math.floor(x) === x) {
+    return [x, 1];
+  }
+
+  const xinv = 1 / x;
+  const limit = 8;
+
+  if (xinv > limit) {
+    return [1, limit];
+  } else if (Math.floor(xinv) === xinv) {
+    return [1, xinv];
+  }
+
+  const x_ = x > 1 ? xinv : x;
+  let a = 0,
+      b = 1,
+      c = 1,
+      d = 1;
+
+  while (true) {
+    const p = a + c,
+          q = b + d;
+
+    if (q > limit) {
+      break;
+    }
+
+    if (x_ <= p / q) {
+      c = p;
+      d = q;
+    } else {
+      a = p;
+      b = q;
+    }
+  }
+
+  let result;
+
+  if (x_ - a / b < c / d - x_) {
+    result = x_ === x ? [a, b] : [b, a];
+  } else {
+    result = x_ === x ? [c, d] : [d, c];
+  }
+
+  return result;
+}
+
+function roundToDivide(x, div) {
+  const r = x % div;
+  return r === 0 ? x : Math.round(x - r + div);
+}
+
+function getPageSizeInches({
+  view,
+  userUnit,
+  rotate
+}) {
+  const [x1, y1, x2, y2] = view;
+  const changeOrientation = rotate % 180 !== 0;
+  const width = (x2 - x1) / 72 * userUnit;
+  const height = (y2 - y1) / 72 * userUnit;
+  return {
+    width: changeOrientation ? height : width,
+    height: changeOrientation ? width : height
+  };
+}
+
+function backtrackBeforeAllVisibleElements(index, views, top) {
+  if (index < 2) {
+    return index;
+  }
+
+  let elt = views[index].div;
+  let pageTop = elt.offsetTop + elt.clientTop;
+
+  if (pageTop >= top) {
+    elt = views[index - 1].div;
+    pageTop = elt.offsetTop + elt.clientTop;
+  }
+
+  for (let i = index - 2; i >= 0; --i) {
+    elt = views[i].div;
+
+    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+      break;
+    }
+
+    index = i;
+  }
+
+  return index;
+}
+
+function getVisibleElements(scrollEl, views, sortByVisibility = false, horizontal = false) {
+  const top = scrollEl.scrollTop,
+        bottom = top + scrollEl.clientHeight;
+  const left = scrollEl.scrollLeft,
+        right = left + scrollEl.clientWidth;
+
+  function isElementBottomAfterViewTop(view) {
+    const element = view.div;
+    const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+    return elementBottom > top;
+  }
+
+  function isElementRightAfterViewLeft(view) {
+    const element = view.div;
+    const elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
+    return elementRight > left;
+  }
+
+  const visible = [],
+        numViews = views.length;
+  let firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
+
+  if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+    firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+  }
+
+  let lastEdge = horizontal ? right : -1;
+
+  for (let i = firstVisibleElementInd; i < numViews; i++) {
+    const view = views[i],
+          element = view.div;
+    const currentWidth = element.offsetLeft + element.clientLeft;
+    const currentHeight = element.offsetTop + element.clientTop;
+    const viewWidth = element.clientWidth,
+          viewHeight = element.clientHeight;
+    const viewRight = currentWidth + viewWidth;
+    const viewBottom = currentHeight + viewHeight;
+
+    if (lastEdge === -1) {
+      if (viewBottom >= bottom) {
+        lastEdge = viewBottom;
+      }
+    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+      break;
+    }
+
+    if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+      continue;
+    }
+
+    const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
+    const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
+    const percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
+    visible.push({
+      id: view.id,
+      x: currentWidth,
+      y: currentHeight,
+      view,
+      percent
+    });
+  }
+
+  const first = visible[0],
+        last = visible[visible.length - 1];
+
+  if (sortByVisibility) {
+    visible.sort(function (a, b) {
+      const pc = a.percent - b.percent;
+
+      if (Math.abs(pc) > 0.001) {
+        return -pc;
+      }
+
+      return a.id - b.id;
+    });
+  }
+
+  return {
+    first,
+    last,
+    views: visible
+  };
+}
+
+function noContextMenuHandler(evt) {
+  evt.preventDefault();
+}
+
+function isDataSchema(url) {
+  let i = 0;
+  const ii = url.length;
+
+  while (i < ii && url[i].trim() === "") {
+    i++;
+  }
+
+  return url.substring(i, i + 5).toLowerCase() === "data:";
+}
+
+function getPDFFileNameFromURL(url, defaultFilename = "document.pdf") {
+  if (typeof url !== "string") {
+    return defaultFilename;
+  }
+
+  if (isDataSchema(url)) {
+    console.warn("getPDFFileNameFromURL: " + 'ignoring "data:" URL for performance reasons.');
+    return defaultFilename;
+  }
+
+  const reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
+  const reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
+  const splitURI = reURI.exec(url);
+  let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
+
+  if (suggestedFilename) {
+    suggestedFilename = suggestedFilename[0];
+
+    if (suggestedFilename.includes("%")) {
+      try {
+        suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
+      } catch (ex) {}
+    }
+  }
+
+  return suggestedFilename || defaultFilename;
+}
+
+function normalizeWheelEventDirection(evt) {
+  let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
+  const angle = Math.atan2(evt.deltaY, evt.deltaX);
+
+  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+    delta = -delta;
+  }
+
+  return delta;
+}
+
+function normalizeWheelEventDelta(evt) {
+  let delta = normalizeWheelEventDirection(evt);
+  const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
+  const MOUSE_DOM_DELTA_LINE_MODE = 1;
+  const MOUSE_PIXELS_PER_LINE = 30;
+  const MOUSE_LINES_PER_PAGE = 30;
+
+  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
+    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
+    delta /= MOUSE_LINES_PER_PAGE;
+  }
+
+  return delta;
+}
+
+function isValidRotation(angle) {
+  return Number.isInteger(angle) && angle % 90 === 0;
+}
+
+function isValidScrollMode(mode) {
+  return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+
+function isValidSpreadMode(mode) {
+  return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+
+function isPortraitOrientation(size) {
+  return size.width <= size.height;
+}
+
+const WaitOnType = {
+  EVENT: "event",
+  TIMEOUT: "timeout"
+};
+exports.WaitOnType = WaitOnType;
+
+function waitOnEventOrTimeout({
+  target,
+  name,
+  delay = 0
+}) {
+  return new Promise(function (resolve, reject) {
+    if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+      throw new Error("waitOnEventOrTimeout - invalid parameters.");
+    }
+
+    function handler(type) {
+      if (target instanceof EventBus) {
+        target._off(name, eventHandler);
+      } else {
+        target.removeEventListener(name, eventHandler);
+      }
+
+      if (timeout) {
+        clearTimeout(timeout);
+      }
+
+      resolve(type);
+    }
+
+    const eventHandler = handler.bind(null, WaitOnType.EVENT);
+
+    if (target instanceof EventBus) {
+      target._on(name, eventHandler);
+    } else {
+      target.addEventListener(name, eventHandler);
+    }
+
+    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
+    const timeout = setTimeout(timeoutHandler, delay);
+  });
+}
+
+const animationStarted = new Promise(function (resolve) {
+  window.requestAnimationFrame(resolve);
+});
+exports.animationStarted = animationStarted;
+
+function dispatchDOMEvent(eventName, args = null) {
+  throw new Error("Not implemented: dispatchDOMEvent");
+}
+
+class EventBus {
+  constructor(options) {
+    this._listeners = Object.create(null);
+  }
+
+  on(eventName, listener) {
+    this._on(eventName, listener, {
+      external: true
+    });
+  }
+
+  off(eventName, listener) {
+    this._off(eventName, listener, {
+      external: true
+    });
+  }
+
+  dispatch(eventName) {
+    const eventListeners = this._listeners[eventName];
+
+    if (!eventListeners || eventListeners.length === 0) {
+      return;
+    }
+
+    const args = Array.prototype.slice.call(arguments, 1);
+    let externalListeners;
+    eventListeners.slice(0).forEach(function ({
+      listener,
+      external
+    }) {
+      if (external) {
+        if (!externalListeners) {
+          externalListeners = [];
+        }
+
+        externalListeners.push(listener);
+        return;
+      }
+
+      listener.apply(null, args);
+    });
+
+    if (externalListeners) {
+      externalListeners.forEach(function (listener) {
+        listener.apply(null, args);
+      });
+      externalListeners = null;
+    }
+  }
+
+  _on(eventName, listener, options = null) {
+    let eventListeners = this._listeners[eventName];
+
+    if (!eventListeners) {
+      this._listeners[eventName] = eventListeners = [];
+    }
+
+    eventListeners.push({
+      listener,
+      external: (options && options.external) === true
+    });
+  }
+
+  _off(eventName, listener, options = null) {
+    const eventListeners = this._listeners[eventName];
+
+    if (!eventListeners) {
+      return;
+    }
+
+    for (let i = 0, ii = eventListeners.length; i < ii; i++) {
+      if (eventListeners[i].listener === listener) {
+        eventListeners.splice(i, 1);
+        return;
+      }
+    }
+  }
+
+}
+
+exports.EventBus = EventBus;
+
+function clamp(v, min, max) {
+  return Math.min(Math.max(v, min), max);
+}
+
+class ProgressBar {
+  constructor(id, {
+    height,
+    width,
+    units
+  } = {}) {
+    this.visible = true;
+    this.div = document.querySelector(id + " .progress");
+    this.bar = this.div.parentNode;
+    this.height = height || 100;
+    this.width = width || 100;
+    this.units = units || "%";
+    this.div.style.height = this.height + this.units;
+    this.percent = 0;
+  }
+
+  _updateBar() {
+    if (this._indeterminate) {
+      this.div.classList.add("indeterminate");
+      this.div.style.width = this.width + this.units;
+      return;
+    }
+
+    this.div.classList.remove("indeterminate");
+    const progressSize = this.width * this._percent / 100;
+    this.div.style.width = progressSize + this.units;
+  }
+
+  get percent() {
+    return this._percent;
+  }
+
+  set percent(val) {
+    this._indeterminate = isNaN(val);
+    this._percent = clamp(val, 0, 100);
+
+    this._updateBar();
+  }
+
+  setWidth(viewer) {
+    if (!viewer) {
+      return;
+    }
+
+    const container = viewer.parentNode;
+    const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+
+    if (scrollbarWidth > 0) {
+      this.bar.style.width = `calc(100% - ${scrollbarWidth}px)`;
+    }
+  }
+
+  hide() {
+    if (!this.visible) {
+      return;
+    }
+
+    this.visible = false;
+    this.bar.classList.add("hidden");
+    document.body.classList.remove("loadingInProgress");
+  }
+
+  show() {
+    if (this.visible) {
+      return;
+    }
+
+    this.visible = true;
+    document.body.classList.add("loadingInProgress");
+    this.bar.classList.remove("hidden");
+  }
+
+}
+
+exports.ProgressBar = ProgressBar;
+
+function moveToEndOfArray(arr, condition) {
+  const moved = [],
+        len = arr.length;
+  let write = 0;
+
+  for (let read = 0; read < len; ++read) {
+    if (condition(arr[read])) {
+      moved.push(arr[read]);
+    } else {
+      arr[write] = arr[read];
+      ++write;
+    }
+  }
+
+  for (let read = 0; write < len; ++read, ++write) {
+    arr[write] = moved[read];
+  }
+}
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleLinkService = exports.PDFLinkService = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+class PDFLinkService {
+  constructor({
+    eventBus,
+    externalLinkTarget = null,
+    externalLinkRel = null,
+    externalLinkEnabled = true,
+    ignoreDestinationZoom = false
+  } = {}) {
+    this.eventBus = eventBus;
+    this.externalLinkTarget = externalLinkTarget;
+    this.externalLinkRel = externalLinkRel;
+    this.externalLinkEnabled = externalLinkEnabled;
+    this._ignoreDestinationZoom = ignoreDestinationZoom;
+    this.baseUrl = null;
+    this.pdfDocument = null;
+    this.pdfViewer = null;
+    this.pdfHistory = null;
+    this._pagesRefCache = null;
+  }
+
+  setDocument(pdfDocument, baseUrl = null) {
+    this.baseUrl = baseUrl;
+    this.pdfDocument = pdfDocument;
+    this._pagesRefCache = Object.create(null);
+  }
+
+  setViewer(pdfViewer) {
+    this.pdfViewer = pdfViewer;
+  }
+
+  setHistory(pdfHistory) {
+    this.pdfHistory = pdfHistory;
+  }
+
+  get pagesCount() {
+    return this.pdfDocument ? this.pdfDocument.numPages : 0;
+  }
+
+  get page() {
+    return this.pdfViewer.currentPageNumber;
+  }
+
+  set page(value) {
+    this.pdfViewer.currentPageNumber = value;
+  }
+
+  get rotation() {
+    return this.pdfViewer.pagesRotation;
+  }
+
+  set rotation(value) {
+    this.pdfViewer.pagesRotation = value;
+  }
+
+  navigateTo(dest) {
+    const goToDestination = ({
+      namedDest,
+      explicitDest
+    }) => {
+      const destRef = explicitDest[0];
+      let pageNumber;
+
+      if (destRef instanceof Object) {
+        pageNumber = this._cachedPageNumber(destRef);
+
+        if (pageNumber === null) {
+          this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
+            this.cachePageRef(pageIndex + 1, destRef);
+            goToDestination({
+              namedDest,
+              explicitDest
+            });
+          }).catch(() => {
+            console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid page reference, for dest="${dest}".`);
+          });
+          return;
+        }
+      } else if (Number.isInteger(destRef)) {
+        pageNumber = destRef + 1;
+      } else {
+        console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid destination reference, for dest="${dest}".`);
+        return;
+      }
+
+      if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
+        console.error(`PDFLinkService.navigateTo: "${pageNumber}" is not ` + `a valid page number, for dest="${dest}".`);
+        return;
+      }
+
+      if (this.pdfHistory) {
+        this.pdfHistory.pushCurrentPosition();
+        this.pdfHistory.push({
+          namedDest,
+          explicitDest,
+          pageNumber
+        });
+      }
+
+      this.pdfViewer.scrollPageIntoView({
+        pageNumber,
+        destArray: explicitDest,
+        ignoreDestinationZoom: this._ignoreDestinationZoom
+      });
+    };
+
+    new Promise((resolve, reject) => {
+      if (typeof dest === "string") {
+        this.pdfDocument.getDestination(dest).then(destArray => {
+          resolve({
+            namedDest: dest,
+            explicitDest: destArray
+          });
+        });
+        return;
+      }
+
+      resolve({
+        namedDest: "",
+        explicitDest: dest
+      });
+    }).then(data => {
+      if (!Array.isArray(data.explicitDest)) {
+        console.error(`PDFLinkService.navigateTo: "${data.explicitDest}" is` + ` not a valid destination array, for dest="${dest}".`);
+        return;
+      }
+
+      goToDestination(data);
+    });
+  }
+
+  getDestinationHash(dest) {
+    if (typeof dest === "string") {
+      return this.getAnchorUrl("#" + escape(dest));
+    }
+
+    if (Array.isArray(dest)) {
+      const str = JSON.stringify(dest);
+      return this.getAnchorUrl("#" + escape(str));
+    }
+
+    return this.getAnchorUrl("");
+  }
+
+  getAnchorUrl(anchor) {
+    return (this.baseUrl || "") + anchor;
+  }
+
+  setHash(hash) {
+    let pageNumber, dest;
+
+    if (hash.includes("=")) {
+      const params = (0, _ui_utils.parseQueryString)(hash);
+
+      if ("search" in params) {
+        this.eventBus.dispatch("findfromurlhash", {
+          source: this,
+          query: params.search.replace(/"/g, ""),
+          phraseSearch: params.phrase === "true"
+        });
+      }
+
+      if ("page" in params) {
+        pageNumber = params.page | 0 || 1;
+      }
+
+      if ("zoom" in params) {
+        const zoomArgs = params.zoom.split(",");
+        const zoomArg = zoomArgs[0];
+        const zoomArgNumber = parseFloat(zoomArg);
+
+        if (!zoomArg.includes("Fit")) {
+          dest = [null, {
+            name: "XYZ"
+          }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+        } else {
+          if (zoomArg === "Fit" || zoomArg === "FitB") {
+            dest = [null, {
+              name: zoomArg
+            }];
+          } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+            dest = [null, {
+              name: zoomArg
+            }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+          } else if (zoomArg === "FitR") {
+            if (zoomArgs.length !== 5) {
+              console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+            } else {
+              dest = [null, {
+                name: zoomArg
+              }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+            }
+          } else {
+            console.error(`PDFLinkService.setHash: "${zoomArg}" is not ` + "a valid zoom value.");
+          }
+        }
+      }
+
+      if (dest) {
+        this.pdfViewer.scrollPageIntoView({
+          pageNumber: pageNumber || this.page,
+          destArray: dest,
+          allowNegativeOffset: true
+        });
+      } else if (pageNumber) {
+        this.page = pageNumber;
+      }
+
+      if ("pagemode" in params) {
+        this.eventBus.dispatch("pagemode", {
+          source: this,
+          mode: params.pagemode
+        });
+      }
+
+      if ("nameddest" in params) {
+        this.navigateTo(params.nameddest);
+      }
+    } else {
+      dest = unescape(hash);
+
+      try {
+        dest = JSON.parse(dest);
+
+        if (!Array.isArray(dest)) {
+          dest = dest.toString();
+        }
+      } catch (ex) {}
+
+      if (typeof dest === "string" || isValidExplicitDestination(dest)) {
+        this.navigateTo(dest);
+        return;
+      }
+
+      console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not ` + "a valid destination.");
+    }
+  }
+
+  executeNamedAction(action) {
+    switch (action) {
+      case "GoBack":
+        if (this.pdfHistory) {
+          this.pdfHistory.back();
+        }
+
+        break;
+
+      case "GoForward":
+        if (this.pdfHistory) {
+          this.pdfHistory.forward();
+        }
+
+        break;
+
+      case "NextPage":
+        if (this.page < this.pagesCount) {
+          this.page++;
+        }
+
+        break;
+
+      case "PrevPage":
+        if (this.page > 1) {
+          this.page--;
+        }
+
+        break;
+
+      case "LastPage":
+        this.page = this.pagesCount;
+        break;
+
+      case "FirstPage":
+        this.page = 1;
+        break;
+
+      default:
+        break;
+    }
+
+    this.eventBus.dispatch("namedaction", {
+      source: this,
+      action
+    });
+  }
+
+  cachePageRef(pageNum, pageRef) {
+    if (!pageRef) {
+      return;
+    }
+
+    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
+    this._pagesRefCache[refStr] = pageNum;
+  }
+
+  _cachedPageNumber(pageRef) {
+    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
+    return this._pagesRefCache && this._pagesRefCache[refStr] || null;
+  }
+
+  isPageVisible(pageNumber) {
+    return this.pdfViewer.isPageVisible(pageNumber);
+  }
+
+}
+
+exports.PDFLinkService = PDFLinkService;
+
+function isValidExplicitDestination(dest) {
+  if (!Array.isArray(dest)) {
+    return false;
+  }
+
+  const destLength = dest.length;
+
+  if (destLength < 2) {
+    return false;
+  }
+
+  const page = dest[0];
+
+  if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
+    return false;
+  }
+
+  const zoom = dest[1];
+
+  if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
+    return false;
+  }
+
+  let allowNull = true;
+
+  switch (zoom.name) {
+    case "XYZ":
+      if (destLength !== 5) {
+        return false;
+      }
+
+      break;
+
+    case "Fit":
+    case "FitB":
+      return destLength === 2;
+
+    case "FitH":
+    case "FitBH":
+    case "FitV":
+    case "FitBV":
+      if (destLength !== 3) {
+        return false;
+      }
+
+      break;
+
+    case "FitR":
+      if (destLength !== 6) {
+        return false;
+      }
+
+      allowNull = false;
+      break;
+
+    default:
+      return false;
+  }
+
+  for (let i = 2; i < destLength; i++) {
+    const param = dest[i];
+
+    if (!(typeof param === "number" || allowNull && param === null)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+class SimpleLinkService {
+  constructor() {
+    this.externalLinkTarget = null;
+    this.externalLinkRel = null;
+    this.externalLinkEnabled = true;
+    this._ignoreDestinationZoom = false;
+  }
+
+  get pagesCount() {
+    return 0;
+  }
+
+  get page() {
+    return 0;
+  }
+
+  set page(value) {}
+
+  get rotation() {
+    return 0;
+  }
+
+  set rotation(value) {}
+
+  navigateTo(dest) {}
+
+  getDestinationHash(dest) {
+    return "#";
+  }
+
+  getAnchorUrl(hash) {
+    return "#";
+  }
+
+  setHash(hash) {}
+
+  executeNamedAction(action) {}
+
+  cachePageRef(pageNum, pageRef) {}
+
+  isPageVisible(pageNumber) {
+    return true;
+  }
+
+}
+
+exports.SimpleLinkService = SimpleLinkService;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+const EXPAND_DIVS_TIMEOUT = 300;
+
+class TextLayerBuilder {
+  constructor({
+    textLayerDiv,
+    eventBus,
+    pageIndex,
+    viewport,
+    findController = null,
+    enhanceTextSelection = false
+  }) {
+    this.textLayerDiv = textLayerDiv;
+    this.eventBus = eventBus;
+    this.textContent = null;
+    this.textContentItemsStr = [];
+    this.textContentStream = null;
+    this.renderingDone = false;
+    this.pageIdx = pageIndex;
+    this.pageNumber = this.pageIdx + 1;
+    this.matches = [];
+    this.viewport = viewport;
+    this.textDivs = [];
+    this.findController = findController;
+    this.textLayerRenderTask = null;
+    this.enhanceTextSelection = enhanceTextSelection;
+    this._onUpdateTextLayerMatches = null;
+
+    this._bindMouse();
+  }
+
+  _finishRendering() {
+    this.renderingDone = true;
+
+    if (!this.enhanceTextSelection) {
+      const endOfContent = document.createElement("div");
+      endOfContent.className = "endOfContent";
+      this.textLayerDiv.appendChild(endOfContent);
+    }
+
+    this.eventBus.dispatch("textlayerrendered", {
+      source: this,
+      pageNumber: this.pageNumber,
+      numTextDivs: this.textDivs.length
+    });
+  }
+
+  render(timeout = 0) {
+    if (!(this.textContent || this.textContentStream) || this.renderingDone) {
+      return;
+    }
+
+    this.cancel();
+    this.textDivs = [];
+    const textLayerFrag = document.createDocumentFragment();
+    this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
+      textContent: this.textContent,
+      textContentStream: this.textContentStream,
+      container: textLayerFrag,
+      viewport: this.viewport,
+      textDivs: this.textDivs,
+      textContentItemsStr: this.textContentItemsStr,
+      timeout,
+      enhanceTextSelection: this.enhanceTextSelection
+    });
+    this.textLayerRenderTask.promise.then(() => {
+      this.textLayerDiv.appendChild(textLayerFrag);
+
+      this._finishRendering();
+
+      this._updateMatches();
+    }, function (reason) {});
+
+    if (!this._onUpdateTextLayerMatches) {
+      this._onUpdateTextLayerMatches = evt => {
+        if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
+          this._updateMatches();
+        }
+      };
+
+      this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
+    }
+  }
+
+  cancel() {
+    if (this.textLayerRenderTask) {
+      this.textLayerRenderTask.cancel();
+      this.textLayerRenderTask = null;
+    }
+
+    if (this._onUpdateTextLayerMatches) {
+      this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
+
+      this._onUpdateTextLayerMatches = null;
+    }
+  }
+
+  setTextContentStream(readableStream) {
+    this.cancel();
+    this.textContentStream = readableStream;
+  }
+
+  setTextContent(textContent) {
+    this.cancel();
+    this.textContent = textContent;
+  }
+
+  _convertMatches(matches, matchesLength) {
+    if (!matches) {
+      return [];
+    }
+
+    const {
+      findController,
+      textContentItemsStr
+    } = this;
+    let i = 0,
+        iIndex = 0;
+    const end = textContentItemsStr.length - 1;
+    const queryLen = findController.state.query.length;
+    const result = [];
+
+    for (let m = 0, mm = matches.length; m < mm; m++) {
+      let matchIdx = matches[m];
+
+      while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+        iIndex += textContentItemsStr[i].length;
+        i++;
+      }
+
+      if (i === textContentItemsStr.length) {
+        console.error("Could not find a matching mapping");
+      }
+
+      const match = {
+        begin: {
+          divIdx: i,
+          offset: matchIdx - iIndex
+        }
+      };
+
+      if (matchesLength) {
+        matchIdx += matchesLength[m];
+      } else {
+        matchIdx += queryLen;
+      }
+
+      while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+        iIndex += textContentItemsStr[i].length;
+        i++;
+      }
+
+      match.end = {
+        divIdx: i,
+        offset: matchIdx - iIndex
+      };
+      result.push(match);
+    }
+
+    return result;
+  }
+
+  _renderMatches(matches) {
+    if (matches.length === 0) {
+      return;
+    }
+
+    const {
+      findController,
+      pageIdx,
+      textContentItemsStr,
+      textDivs
+    } = this;
+    const isSelectedPage = pageIdx === findController.selected.pageIdx;
+    const selectedMatchIdx = findController.selected.matchIdx;
+    const highlightAll = findController.state.highlightAll;
+    let prevEnd = null;
+    const infinity = {
+      divIdx: -1,
+      offset: undefined
+    };
+
+    function beginText(begin, className) {
+      const divIdx = begin.divIdx;
+      textDivs[divIdx].textContent = "";
+      appendTextToDiv(divIdx, 0, begin.offset, className);
+    }
+
+    function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+      const div = textDivs[divIdx];
+      const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+      const node = document.createTextNode(content);
+
+      if (className) {
+        const span = document.createElement("span");
+        span.className = className;
+        span.appendChild(node);
+        div.appendChild(span);
+        return;
+      }
+
+      div.appendChild(node);
+    }
+
+    let i0 = selectedMatchIdx,
+        i1 = i0 + 1;
+
+    if (highlightAll) {
+      i0 = 0;
+      i1 = matches.length;
+    } else if (!isSelectedPage) {
+      return;
+    }
+
+    for (let i = i0; i < i1; i++) {
+      const match = matches[i];
+      const begin = match.begin;
+      const end = match.end;
+      const isSelected = isSelectedPage && i === selectedMatchIdx;
+      const highlightSuffix = isSelected ? " selected" : "";
+
+      if (isSelected) {
+        findController.scrollMatchIntoView({
+          element: textDivs[begin.divIdx],
+          pageIndex: pageIdx,
+          matchIndex: selectedMatchIdx
+        });
+      }
+
+      if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+        if (prevEnd !== null) {
+          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+        }
+
+        beginText(begin);
+      } else {
+        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+      }
+
+      if (begin.divIdx === end.divIdx) {
+        appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+      } else {
+        appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+
+        for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+          textDivs[n0].className = "highlight middle" + highlightSuffix;
+        }
+
+        beginText(end, "highlight end" + highlightSuffix);
+      }
+
+      prevEnd = end;
+    }
+
+    if (prevEnd) {
+      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+    }
+  }
+
+  _updateMatches() {
+    if (!this.renderingDone) {
+      return;
+    }
+
+    const {
+      findController,
+      matches,
+      pageIdx,
+      textContentItemsStr,
+      textDivs
+    } = this;
+    let clearedUntilDivIdx = -1;
+
+    for (let i = 0, ii = matches.length; i < ii; i++) {
+      const match = matches[i];
+      const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+
+      for (let n = begin, end = match.end.divIdx; n <= end; n++) {
+        const div = textDivs[n];
+        div.textContent = textContentItemsStr[n];
+        div.className = "";
+      }
+
+      clearedUntilDivIdx = match.end.divIdx + 1;
+    }
+
+    if (!findController || !findController.highlightMatches) {
+      return;
+    }
+
+    const pageMatches = findController.pageMatches[pageIdx] || null;
+    const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+    this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+
+    this._renderMatches(this.matches);
+  }
+
+  _bindMouse() {
+    const div = this.textLayerDiv;
+    let expandDivsTimer = null;
+    div.addEventListener("mousedown", evt => {
+      if (this.enhanceTextSelection && this.textLayerRenderTask) {
+        this.textLayerRenderTask.expandTextDivs(true);
+
+        if (expandDivsTimer) {
+          clearTimeout(expandDivsTimer);
+          expandDivsTimer = null;
+        }
+
+        return;
+      }
+
+      const end = div.querySelector(".endOfContent");
+
+      if (!end) {
+        return;
+      }
+
+      let adjustTop = evt.target !== div;
+      adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
+
+      if (adjustTop) {
+        const divBounds = div.getBoundingClientRect();
+        const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
+        end.style.top = (r * 100).toFixed(2) + "%";
+      }
+
+      end.classList.add("active");
+    });
+    div.addEventListener("mouseup", () => {
+      if (this.enhanceTextSelection && this.textLayerRenderTask) {
+        expandDivsTimer = setTimeout(() => {
+          if (this.textLayerRenderTask) {
+            this.textLayerRenderTask.expandTextDivs(false);
+          }
+
+          expandDivsTimer = null;
+        }, EXPAND_DIVS_TIMEOUT);
+        return;
+      }
+
+      const end = div.querySelector(".endOfContent");
+
+      if (!end) {
+        return;
+      }
+
+      end.style.top = "";
+      end.classList.remove("active");
+    });
+  }
+
+}
+
+exports.TextLayerBuilder = TextLayerBuilder;
+
+class DefaultTextLayerFactory {
+  createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
+    return new TextLayerBuilder({
+      textLayerDiv,
+      pageIndex,
+      viewport,
+      enhanceTextSelection,
+      eventBus
+    });
+  }
+
+}
+
+exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DownloadManager = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _viewer_compatibility = __w_pdfjs_require__(7);
+
+;
+
+function download(blobUrl, filename) {
+  const a = document.createElement("a");
+
+  if (!a.click) {
+    throw new Error('DownloadManager: "a.click()" is not supported.');
+  }
+
+  a.href = blobUrl;
+  a.target = "_parent";
+
+  if ("download" in a) {
+    a.download = filename;
+  }
+
+  (document.body || document.documentElement).appendChild(a);
+  a.click();
+  a.remove();
+}
+
+class DownloadManager {
+  downloadUrl(url, filename) {
+    if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
+      return;
+    }
+
+    download(url + "#pdfjs.action=download", filename);
+  }
+
+  downloadData(data, filename, contentType) {
+    if (navigator.msSaveBlob) {
+      navigator.msSaveBlob(new Blob([data], {
+        type: contentType
+      }), filename);
+      return;
+    }
+
+    const blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
+    download(blobUrl, filename);
+  }
+
+  download(blob, url, filename, sourceEventType = "download") {
+    if (navigator.msSaveBlob) {
+      if (!navigator.msSaveBlob(blob, filename)) {
+        this.downloadUrl(url, filename);
+      }
+
+      return;
+    }
+
+    if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
+      this.downloadUrl(url, filename);
+      return;
+    }
+
+    const blobUrl = URL.createObjectURL(blob);
+    download(blobUrl, filename);
+  }
+
+}
+
+exports.DownloadManager = DownloadManager;
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.viewerCompatibilityParams = void 0;
+const compatibilityParams = Object.create(null);
+{
+  const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
+  const platform = typeof navigator !== "undefined" && navigator.platform || "";
+  const maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
+  const isAndroid = /Android/.test(userAgent);
+  const isIE = /Trident/.test(userAgent);
+  const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+  const isIOSChrome = /CriOS/.test(userAgent);
+
+  (function checkOnBlobSupport() {
+    if (isIE || isIOSChrome) {
+      compatibilityParams.disableCreateObjectURL = true;
+    }
+  })();
+
+  (function checkCanvasSizeLimitation() {
+    if (isIOS || isAndroid) {
+      compatibilityParams.maxCanvasPixels = 5242880;
+    }
+  })();
+}
+const viewerCompatibilityParams = Object.freeze(compatibilityParams);
+exports.viewerCompatibilityParams = viewerCompatibilityParams;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GenericL10n = void 0;
+
+__w_pdfjs_require__(9);
+
+const webL10n = document.webL10n;
+
+class GenericL10n {
+  constructor(lang) {
+    this._lang = lang;
+    this._ready = new Promise((resolve, reject) => {
+      webL10n.setLanguage(lang, () => {
+        resolve(webL10n);
+      });
+    });
+  }
+
+  async getLanguage() {
+    const l10n = await this._ready;
+    return l10n.getLanguage();
+  }
+
+  async getDirection() {
+    const l10n = await this._ready;
+    return l10n.getDirection();
+  }
+
+  async get(property, args, fallback) {
+    const l10n = await this._ready;
+    return l10n.get(property, args, fallback);
+  }
+
+  async translate(element) {
+    const l10n = await this._ready;
+    return l10n.translate(element);
+  }
+
+}
+
+exports.GenericL10n = GenericL10n;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+document.webL10n = function (window, document, undefined) {
+  var gL10nData = {};
+  var gTextData = '';
+  var gTextProp = 'textContent';
+  var gLanguage = '';
+  var gMacros = {};
+  var gReadyState = 'loading';
+  var gAsyncResourceLoading = true;
+
+  function getL10nResourceLinks() {
+    return document.querySelectorAll('link[type="application/l10n"]');
+  }
+
+  function getL10nDictionary() {
+    var script = document.querySelector('script[type="application/l10n"]');
+    return script ? JSON.parse(script.innerHTML) : null;
+  }
+
+  function getTranslatableChildren(element) {
+    return element ? element.querySelectorAll('*[data-l10n-id]') : [];
+  }
+
+  function getL10nAttributes(element) {
+    if (!element) return {};
+    var l10nId = element.getAttribute('data-l10n-id');
+    var l10nArgs = element.getAttribute('data-l10n-args');
+    var args = {};
+
+    if (l10nArgs) {
+      try {
+        args = JSON.parse(l10nArgs);
+      } catch (e) {
+        console.warn('could not parse arguments for #' + l10nId);
+      }
+    }
+
+    return {
+      id: l10nId,
+      args: args
+    };
+  }
+
+  function xhrLoadText(url, onSuccess, onFailure) {
+    onSuccess = onSuccess || function _onSuccess(data) {};
+
+    onFailure = onFailure || function _onFailure() {};
+
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, gAsyncResourceLoading);
+
+    if (xhr.overrideMimeType) {
+      xhr.overrideMimeType('text/plain; charset=utf-8');
+    }
+
+    xhr.onreadystatechange = function () {
+      if (xhr.readyState == 4) {
+        if (xhr.status == 200 || xhr.status === 0) {
+          onSuccess(xhr.responseText);
+        } else {
+          onFailure();
+        }
+      }
+    };
+
+    xhr.onerror = onFailure;
+    xhr.ontimeout = onFailure;
+
+    try {
+      xhr.send(null);
+    } catch (e) {
+      onFailure();
+    }
+  }
+
+  function parseResource(href, lang, successCallback, failureCallback) {
+    var baseURL = href.replace(/[^\/]*$/, '') || './';
+
+    function evalString(text) {
+      if (text.lastIndexOf('\\') < 0) return text;
+      return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
+    }
+
+    function parseProperties(text, parsedPropertiesCallback) {
+      var dictionary = {};
+      var reBlank = /^\s*|\s*$/;
+      var reComment = /^\s*#|^\s*$/;
+      var reSection = /^\s*\[(.*)\]\s*$/;
+      var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
+      var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
+
+      function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
+        var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
+        var currentLang = '*';
+        var genericLang = lang.split('-', 1)[0];
+        var skipLang = false;
+        var match = '';
+
+        function nextEntry() {
+          while (true) {
+            if (!entries.length) {
+              parsedRawLinesCallback();
+              return;
+            }
+
+            var line = entries.shift();
+            if (reComment.test(line)) continue;
+
+            if (extendedSyntax) {
+              match = reSection.exec(line);
+
+              if (match) {
+                currentLang = match[1].toLowerCase();
+                skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
+                continue;
+              } else if (skipLang) {
+                continue;
+              }
+
+              match = reImport.exec(line);
+
+              if (match) {
+                loadImport(baseURL + match[1], nextEntry);
+                return;
+              }
+            }
+
+            var tmp = line.match(reSplit);
+
+            if (tmp && tmp.length == 3) {
+              dictionary[tmp[1]] = evalString(tmp[2]);
+            }
+          }
+        }
+
+        nextEntry();
+      }
+
+      function loadImport(url, callback) {
+        xhrLoadText(url, function (content) {
+          parseRawLines(content, false, callback);
+        }, function () {
+          console.warn(url + ' not found.');
+          callback();
+        });
+      }
+
+      parseRawLines(text, true, function () {
+        parsedPropertiesCallback(dictionary);
+      });
+    }
+
+    xhrLoadText(href, function (response) {
+      gTextData += response;
+      parseProperties(response, function (data) {
+        for (var key in data) {
+          var id,
+              prop,
+              index = key.lastIndexOf('.');
+
+          if (index > 0) {
+            id = key.substring(0, index);
+            prop = key.substring(index + 1);
+          } else {
+            id = key;
+            prop = gTextProp;
+          }
+
+          if (!gL10nData[id]) {
+            gL10nData[id] = {};
+          }
+
+          gL10nData[id][prop] = data[key];
+        }
+
+        if (successCallback) {
+          successCallback();
+        }
+      });
+    }, failureCallback);
+  }
+
+  function loadLocale(lang, callback) {
+    if (lang) {
+      lang = lang.toLowerCase();
+    }
+
+    callback = callback || function _callback() {};
+
+    clear();
+    gLanguage = lang;
+    var langLinks = getL10nResourceLinks();
+    var langCount = langLinks.length;
+
+    if (langCount === 0) {
+      var dict = getL10nDictionary();
+
+      if (dict && dict.locales && dict.default_locale) {
+        console.log('using the embedded JSON directory, early way out');
+        gL10nData = dict.locales[lang];
+
+        if (!gL10nData) {
+          var defaultLocale = dict.default_locale.toLowerCase();
+
+          for (var anyCaseLang in dict.locales) {
+            anyCaseLang = anyCaseLang.toLowerCase();
+
+            if (anyCaseLang === lang) {
+              gL10nData = dict.locales[lang];
+              break;
+            } else if (anyCaseLang === defaultLocale) {
+              gL10nData = dict.locales[defaultLocale];
+            }
+          }
+        }
+
+        callback();
+      } else {
+        console.log('no resource to load, early way out');
+      }
+
+      gReadyState = 'complete';
+      return;
+    }
+
+    var onResourceLoaded = null;
+    var gResourceCount = 0;
+
+    onResourceLoaded = function () {
+      gResourceCount++;
+
+      if (gResourceCount >= langCount) {
+        callback();
+        gReadyState = 'complete';
+      }
+    };
+
+    function L10nResourceLink(link) {
+      var href = link.href;
+
+      this.load = function (lang, callback) {
+        parseResource(href, lang, callback, function () {
+          console.warn(href + ' not found.');
+          console.warn('"' + lang + '" resource not found');
+          gLanguage = '';
+          callback();
+        });
+      };
+    }
+
+    for (var i = 0; i < langCount; i++) {
+      var resource = new L10nResourceLink(langLinks[i]);
+      resource.load(lang, onResourceLoaded);
+    }
+  }
+
+  function clear() {
+    gL10nData = {};
+    gTextData = '';
+    gLanguage = '';
+  }
+
+  function getPluralRules(lang) {
+    var locales2rules = {
+      'af': 3,
+      'ak': 4,
+      'am': 4,
+      'ar': 1,
+      'asa': 3,
+      'az': 0,
+      'be': 11,
+      'bem': 3,
+      'bez': 3,
+      'bg': 3,
+      'bh': 4,
+      'bm': 0,
+      'bn': 3,
+      'bo': 0,
+      'br': 20,
+      'brx': 3,
+      'bs': 11,
+      'ca': 3,
+      'cgg': 3,
+      'chr': 3,
+      'cs': 12,
+      'cy': 17,
+      'da': 3,
+      'de': 3,
+      'dv': 3,
+      'dz': 0,
+      'ee': 3,
+      'el': 3,
+      'en': 3,
+      'eo': 3,
+      'es': 3,
+      'et': 3,
+      'eu': 3,
+      'fa': 0,
+      'ff': 5,
+      'fi': 3,
+      'fil': 4,
+      'fo': 3,
+      'fr': 5,
+      'fur': 3,
+      'fy': 3,
+      'ga': 8,
+      'gd': 24,
+      'gl': 3,
+      'gsw': 3,
+      'gu': 3,
+      'guw': 4,
+      'gv': 23,
+      'ha': 3,
+      'haw': 3,
+      'he': 2,
+      'hi': 4,
+      'hr': 11,
+      'hu': 0,
+      'id': 0,
+      'ig': 0,
+      'ii': 0,
+      'is': 3,
+      'it': 3,
+      'iu': 7,
+      'ja': 0,
+      'jmc': 3,
+      'jv': 0,
+      'ka': 0,
+      'kab': 5,
+      'kaj': 3,
+      'kcg': 3,
+      'kde': 0,
+      'kea': 0,
+      'kk': 3,
+      'kl': 3,
+      'km': 0,
+      'kn': 0,
+      'ko': 0,
+      'ksb': 3,
+      'ksh': 21,
+      'ku': 3,
+      'kw': 7,
+      'lag': 18,
+      'lb': 3,
+      'lg': 3,
+      'ln': 4,
+      'lo': 0,
+      'lt': 10,
+      'lv': 6,
+      'mas': 3,
+      'mg': 4,
+      'mk': 16,
+      'ml': 3,
+      'mn': 3,
+      'mo': 9,
+      'mr': 3,
+      'ms': 0,
+      'mt': 15,
+      'my': 0,
+      'nah': 3,
+      'naq': 7,
+      'nb': 3,
+      'nd': 3,
+      'ne': 3,
+      'nl': 3,
+      'nn': 3,
+      'no': 3,
+      'nr': 3,
+      'nso': 4,
+      'ny': 3,
+      'nyn': 3,
+      'om': 3,
+      'or': 3,
+      'pa': 3,
+      'pap': 3,
+      'pl': 13,
+      'ps': 3,
+      'pt': 3,
+      'rm': 3,
+      'ro': 9,
+      'rof': 3,
+      'ru': 11,
+      'rwk': 3,
+      'sah': 0,
+      'saq': 3,
+      'se': 7,
+      'seh': 3,
+      'ses': 0,
+      'sg': 0,
+      'sh': 11,
+      'shi': 19,
+      'sk': 12,
+      'sl': 14,
+      'sma': 7,
+      'smi': 7,
+      'smj': 7,
+      'smn': 7,
+      'sms': 7,
+      'sn': 3,
+      'so': 3,
+      'sq': 3,
+      'sr': 11,
+      'ss': 3,
+      'ssy': 3,
+      'st': 3,
+      'sv': 3,
+      'sw': 3,
+      'syr': 3,
+      'ta': 3,
+      'te': 3,
+      'teo': 3,
+      'th': 0,
+      'ti': 4,
+      'tig': 3,
+      'tk': 3,
+      'tl': 4,
+      'tn': 3,
+      'to': 0,
+      'tr': 0,
+      'ts': 3,
+      'tzm': 22,
+      'uk': 11,
+      'ur': 3,
+      've': 3,
+      'vi': 0,
+      'vun': 3,
+      'wa': 4,
+      'wae': 3,
+      'wo': 0,
+      'xh': 3,
+      'xog': 3,
+      'yo': 0,
+      'zh': 0,
+      'zu': 3
+    };
+
+    function isIn(n, list) {
+      return list.indexOf(n) !== -1;
+    }
+
+    function isBetween(n, start, end) {
+      return start <= n && n <= end;
+    }
+
+    var pluralRules = {
+      '0': function (n) {
+        return 'other';
+      },
+      '1': function (n) {
+        if (isBetween(n % 100, 3, 10)) return 'few';
+        if (n === 0) return 'zero';
+        if (isBetween(n % 100, 11, 99)) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '2': function (n) {
+        if (n !== 0 && n % 10 === 0) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '3': function (n) {
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '4': function (n) {
+        if (isBetween(n, 0, 1)) return 'one';
+        return 'other';
+      },
+      '5': function (n) {
+        if (isBetween(n, 0, 2) && n != 2) return 'one';
+        return 'other';
+      },
+      '6': function (n) {
+        if (n === 0) return 'zero';
+        if (n % 10 == 1 && n % 100 != 11) return 'one';
+        return 'other';
+      },
+      '7': function (n) {
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '8': function (n) {
+        if (isBetween(n, 3, 6)) return 'few';
+        if (isBetween(n, 7, 10)) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '9': function (n) {
+        if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '10': function (n) {
+        if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
+        if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
+        return 'other';
+      },
+      '11': function (n) {
+        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
+        if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
+        if (n % 10 == 1 && n % 100 != 11) return 'one';
+        return 'other';
+      },
+      '12': function (n) {
+        if (isBetween(n, 2, 4)) return 'few';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '13': function (n) {
+        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
+        if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '14': function (n) {
+        if (isBetween(n % 100, 3, 4)) return 'few';
+        if (n % 100 == 2) return 'two';
+        if (n % 100 == 1) return 'one';
+        return 'other';
+      },
+      '15': function (n) {
+        if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
+        if (isBetween(n % 100, 11, 19)) return 'many';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '16': function (n) {
+        if (n % 10 == 1 && n != 11) return 'one';
+        return 'other';
+      },
+      '17': function (n) {
+        if (n == 3) return 'few';
+        if (n === 0) return 'zero';
+        if (n == 6) return 'many';
+        if (n == 2) return 'two';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '18': function (n) {
+        if (n === 0) return 'zero';
+        if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
+        return 'other';
+      },
+      '19': function (n) {
+        if (isBetween(n, 2, 10)) return 'few';
+        if (isBetween(n, 0, 1)) return 'one';
+        return 'other';
+      },
+      '20': function (n) {
+        if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
+        if (n % 1000000 === 0 && n !== 0) return 'many';
+        if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
+        if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
+        return 'other';
+      },
+      '21': function (n) {
+        if (n === 0) return 'zero';
+        if (n == 1) return 'one';
+        return 'other';
+      },
+      '22': function (n) {
+        if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
+        return 'other';
+      },
+      '23': function (n) {
+        if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
+        return 'other';
+      },
+      '24': function (n) {
+        if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
+        if (isIn(n, [2, 12])) return 'two';
+        if (isIn(n, [1, 11])) return 'one';
+        return 'other';
+      }
+    };
+    var index = locales2rules[lang.replace(/-.*$/, '')];
+
+    if (!(index in pluralRules)) {
+      console.warn('plural form unknown for [' + lang + ']');
+      return function () {
+        return 'other';
+      };
+    }
+
+    return pluralRules[index];
+  }
+
+  gMacros.plural = function (str, param, key, prop) {
+    var n = parseFloat(param);
+    if (isNaN(n)) return str;
+    if (prop != gTextProp) return str;
+
+    if (!gMacros._pluralRules) {
+      gMacros._pluralRules = getPluralRules(gLanguage);
+    }
+
+    var index = '[' + gMacros._pluralRules(n) + ']';
+
+    if (n === 0 && key + '[zero]' in gL10nData) {
+      str = gL10nData[key + '[zero]'][prop];
+    } else if (n == 1 && key + '[one]' in gL10nData) {
+      str = gL10nData[key + '[one]'][prop];
+    } else if (n == 2 && key + '[two]' in gL10nData) {
+      str = gL10nData[key + '[two]'][prop];
+    } else if (key + index in gL10nData) {
+      str = gL10nData[key + index][prop];
+    } else if (key + '[other]' in gL10nData) {
+      str = gL10nData[key + '[other]'][prop];
+    }
+
+    return str;
+  };
+
+  function getL10nData(key, args, fallback) {
+    var data = gL10nData[key];
+
+    if (!data) {
+      console.warn('#' + key + ' is undefined.');
+
+      if (!fallback) {
+        return null;
+      }
+
+      data = fallback;
+    }
+
+    var rv = {};
+
+    for (var prop in data) {
+      var str = data[prop];
+      str = substIndexes(str, args, key, prop);
+      str = substArguments(str, args, key);
+      rv[prop] = str;
+    }
+
+    return rv;
+  }
+
+  function substIndexes(str, args, key, prop) {
+    var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
+    var reMatch = reIndex.exec(str);
+    if (!reMatch || !reMatch.length) return str;
+    var macroName = reMatch[1];
+    var paramName = reMatch[2];
+    var param;
+
+    if (args && paramName in args) {
+      param = args[paramName];
+    } else if (paramName in gL10nData) {
+      param = gL10nData[paramName];
+    }
+
+    if (macroName in gMacros) {
+      var macro = gMacros[macroName];
+      str = macro(str, param, key, prop);
+    }
+
+    return str;
+  }
+
+  function substArguments(str, args, key) {
+    var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
+    return str.replace(reArgs, function (matched_text, arg) {
+      if (args && arg in args) {
+        return args[arg];
+      }
+
+      if (arg in gL10nData) {
+        return gL10nData[arg];
+      }
+
+      console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
+      return matched_text;
+    });
+  }
+
+  function translateElement(element) {
+    var l10n = getL10nAttributes(element);
+    if (!l10n.id) return;
+    var data = getL10nData(l10n.id, l10n.args);
+
+    if (!data) {
+      console.warn('#' + l10n.id + ' is undefined.');
+      return;
+    }
+
+    if (data[gTextProp]) {
+      if (getChildElementCount(element) === 0) {
+        element[gTextProp] = data[gTextProp];
+      } else {
+        var children = element.childNodes;
+        var found = false;
+
+        for (var i = 0, l = children.length; i < l; i++) {
+          if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
+            if (found) {
+              children[i].nodeValue = '';
+            } else {
+              children[i].nodeValue = data[gTextProp];
+              found = true;
+            }
+          }
+        }
+
+        if (!found) {
+          var textNode = document.createTextNode(data[gTextProp]);
+          element.insertBefore(textNode, element.firstChild);
+        }
+      }
+
+      delete data[gTextProp];
+    }
+
+    for (var k in data) {
+      element[k] = data[k];
+    }
+  }
+
+  function getChildElementCount(element) {
+    if (element.children) {
+      return element.children.length;
+    }
+
+    if (typeof element.childElementCount !== 'undefined') {
+      return element.childElementCount;
+    }
+
+    var count = 0;
+
+    for (var i = 0; i < element.childNodes.length; i++) {
+      count += element.nodeType === 1 ? 1 : 0;
+    }
+
+    return count;
+  }
+
+  function translateFragment(element) {
+    element = element || document.documentElement;
+    var children = getTranslatableChildren(element);
+    var elementCount = children.length;
+
+    for (var i = 0; i < elementCount; i++) {
+      translateElement(children[i]);
+    }
+
+    translateElement(element);
+  }
+
+  return {
+    get: function (key, args, fallbackString) {
+      var index = key.lastIndexOf('.');
+      var prop = gTextProp;
+
+      if (index > 0) {
+        prop = key.substring(index + 1);
+        key = key.substring(0, index);
+      }
+
+      var fallback;
+
+      if (fallbackString) {
+        fallback = {};
+        fallback[prop] = fallbackString;
+      }
+
+      var data = getL10nData(key, args, fallback);
+
+      if (data && prop in data) {
+        return data[prop];
+      }
+
+      return '{{' + key + '}}';
+    },
+    getData: function () {
+      return gL10nData;
+    },
+    getText: function () {
+      return gTextData;
+    },
+    getLanguage: function () {
+      return gLanguage;
+    },
+    setLanguage: function (lang, callback) {
+      loadLocale(lang, function () {
+        if (callback) callback();
+      });
+    },
+    getDirection: function () {
+      var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
+      var shortCode = gLanguage.split('-', 1)[0];
+      return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
+    },
+    translate: translateFragment,
+    getReadyState: function () {
+      return gReadyState;
+    },
+    ready: function (callback) {
+      if (!callback) {
+        return;
+      } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
+        window.setTimeout(function () {
+          callback();
+        });
+      } else if (document.addEventListener) {
+        document.addEventListener('localized', function once() {
+          document.removeEventListener('localized', once);
+          callback();
+        });
+      }
+    }
+  };
+}(window, document);
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFindController = exports.FindState = void 0;
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_find_utils = __w_pdfjs_require__(11);
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+const FindState = {
+  FOUND: 0,
+  NOT_FOUND: 1,
+  WRAPPED: 2,
+  PENDING: 3
+};
+exports.FindState = FindState;
+const FIND_TIMEOUT = 250;
+const MATCH_SCROLL_OFFSET_TOP = -50;
+const MATCH_SCROLL_OFFSET_LEFT = -400;
+const CHARACTERS_TO_NORMALIZE = {
+  "\u2018": "'",
+  "\u2019": "'",
+  "\u201A": "'",
+  "\u201B": "'",
+  "\u201C": '"',
+  "\u201D": '"',
+  "\u201E": '"',
+  "\u201F": '"',
+  "\u00BC": "1/4",
+  "\u00BD": "1/2",
+  "\u00BE": "3/4"
+};
+let normalizationRegex = null;
+
+function normalize(text) {
+  if (!normalizationRegex) {
+    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+    normalizationRegex = new RegExp(`[${replace}]`, "g");
+  }
+
+  return text.replace(normalizationRegex, function (ch) {
+    return CHARACTERS_TO_NORMALIZE[ch];
+  });
+}
+
+class PDFFindController {
+  constructor({
+    linkService,
+    eventBus
+  }) {
+    this._linkService = linkService;
+    this._eventBus = eventBus;
+
+    this._reset();
+
+    eventBus._on("findbarclose", this._onFindBarClose.bind(this));
+  }
+
+  get highlightMatches() {
+    return this._highlightMatches;
+  }
+
+  get pageMatches() {
+    return this._pageMatches;
+  }
+
+  get pageMatchesLength() {
+    return this._pageMatchesLength;
+  }
+
+  get selected() {
+    return this._selected;
+  }
+
+  get state() {
+    return this._state;
+  }
+
+  setDocument(pdfDocument) {
+    if (this._pdfDocument) {
+      this._reset();
+    }
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    this._pdfDocument = pdfDocument;
+
+    this._firstPageCapability.resolve();
+  }
+
+  executeCommand(cmd, state) {
+    if (!state) {
+      return;
+    }
+
+    const pdfDocument = this._pdfDocument;
+
+    if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
+      this._dirtyMatch = true;
+    }
+
+    this._state = state;
+
+    if (cmd !== "findhighlightallchange") {
+      this._updateUIState(FindState.PENDING);
+    }
+
+    this._firstPageCapability.promise.then(() => {
+      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+        return;
+      }
+
+      this._extractText();
+
+      const findbarClosed = !this._highlightMatches;
+      const pendingTimeout = !!this._findTimeout;
+
+      if (this._findTimeout) {
+        clearTimeout(this._findTimeout);
+        this._findTimeout = null;
+      }
+
+      if (cmd === "find") {
+        this._findTimeout = setTimeout(() => {
+          this._nextMatch();
+
+          this._findTimeout = null;
+        }, FIND_TIMEOUT);
+      } else if (this._dirtyMatch) {
+        this._nextMatch();
+      } else if (cmd === "findagain") {
+        this._nextMatch();
+
+        if (findbarClosed && this._state.highlightAll) {
+          this._updateAllPages();
+        }
+      } else if (cmd === "findhighlightallchange") {
+        if (pendingTimeout) {
+          this._nextMatch();
+        } else {
+          this._highlightMatches = true;
+        }
+
+        this._updateAllPages();
+      } else {
+        this._nextMatch();
+      }
+    });
+  }
+
+  scrollMatchIntoView({
+    element = null,
+    pageIndex = -1,
+    matchIndex = -1
+  }) {
+    if (!this._scrollMatches || !element) {
+      return;
+    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+      return;
+    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+      return;
+    }
+
+    this._scrollMatches = false;
+    const spot = {
+      top: MATCH_SCROLL_OFFSET_TOP,
+      left: MATCH_SCROLL_OFFSET_LEFT
+    };
+    (0, _ui_utils.scrollIntoView)(element, spot, true);
+  }
+
+  _reset() {
+    this._highlightMatches = false;
+    this._scrollMatches = false;
+    this._pdfDocument = null;
+    this._pageMatches = [];
+    this._pageMatchesLength = [];
+    this._state = null;
+    this._selected = {
+      pageIdx: -1,
+      matchIdx: -1
+    };
+    this._offset = {
+      pageIdx: null,
+      matchIdx: null,
+      wrapped: false
+    };
+    this._extractTextPromises = [];
+    this._pageContents = [];
+    this._matchesCountTotal = 0;
+    this._pagesToSearch = null;
+    this._pendingFindMatches = Object.create(null);
+    this._resumePageIdx = null;
+    this._dirtyMatch = false;
+    clearTimeout(this._findTimeout);
+    this._findTimeout = null;
+    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
+  }
+
+  get _query() {
+    if (this._state.query !== this._rawQuery) {
+      this._rawQuery = this._state.query;
+      this._normalizedQuery = normalize(this._state.query);
+    }
+
+    return this._normalizedQuery;
+  }
+
+  _shouldDirtyMatch(cmd, state) {
+    if (state.query !== this._state.query) {
+      return true;
+    }
+
+    switch (cmd) {
+      case "findagain":
+        const pageNumber = this._selected.pageIdx + 1;
+        const linkService = this._linkService;
+
+        if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
+          return true;
+        }
+
+        return false;
+
+      case "findhighlightallchange":
+        return false;
+    }
+
+    return true;
+  }
+
+  _prepareMatches(matchesWithLength, matches, matchesLength) {
+    function isSubTerm(currentIndex) {
+      const currentElem = matchesWithLength[currentIndex];
+      const nextElem = matchesWithLength[currentIndex + 1];
+
+      if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
+        currentElem.skipped = true;
+        return true;
+      }
+
+      for (let i = currentIndex - 1; i >= 0; i--) {
+        const prevElem = matchesWithLength[i];
+
+        if (prevElem.skipped) {
+          continue;
+        }
+
+        if (prevElem.match + prevElem.matchLength < currentElem.match) {
+          break;
+        }
+
+        if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
+          currentElem.skipped = true;
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    matchesWithLength.sort(function (a, b) {
+      return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
+    });
+
+    for (let i = 0, len = matchesWithLength.length; i < len; i++) {
+      if (isSubTerm(i)) {
+        continue;
+      }
+
+      matches.push(matchesWithLength[i].match);
+      matchesLength.push(matchesWithLength[i].matchLength);
+    }
+  }
+
+  _isEntireWord(content, startIdx, length) {
+    if (startIdx > 0) {
+      const first = content.charCodeAt(startIdx);
+      const limit = content.charCodeAt(startIdx - 1);
+
+      if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
+        return false;
+      }
+    }
+
+    const endIdx = startIdx + length - 1;
+
+    if (endIdx < content.length - 1) {
+      const last = content.charCodeAt(endIdx);
+      const limit = content.charCodeAt(endIdx + 1);
+
+      if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
+    const matches = [];
+    const queryLen = query.length;
+    let matchIdx = -queryLen;
+
+    while (true) {
+      matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
+
+      if (matchIdx === -1) {
+        break;
+      }
+
+      if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
+        continue;
+      }
+
+      matches.push(matchIdx);
+    }
+
+    this._pageMatches[pageIndex] = matches;
+  }
+
+  _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
+    const matchesWithLength = [];
+    const queryArray = query.match(/\S+/g);
+
+    for (let i = 0, len = queryArray.length; i < len; i++) {
+      const subquery = queryArray[i];
+      const subqueryLen = subquery.length;
+      let matchIdx = -subqueryLen;
+
+      while (true) {
+        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
+
+        if (matchIdx === -1) {
+          break;
+        }
+
+        if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
+          continue;
+        }
+
+        matchesWithLength.push({
+          match: matchIdx,
+          matchLength: subqueryLen,
+          skipped: false
+        });
+      }
+    }
+
+    this._pageMatchesLength[pageIndex] = [];
+    this._pageMatches[pageIndex] = [];
+
+    this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
+  }
+
+  _calculateMatch(pageIndex) {
+    let pageContent = this._pageContents[pageIndex];
+    let query = this._query;
+    const {
+      caseSensitive,
+      entireWord,
+      phraseSearch
+    } = this._state;
+
+    if (query.length === 0) {
+      return;
+    }
+
+    if (!caseSensitive) {
+      pageContent = pageContent.toLowerCase();
+      query = query.toLowerCase();
+    }
+
+    if (phraseSearch) {
+      this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
+    } else {
+      this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
+    }
+
+    if (this._state.highlightAll) {
+      this._updatePage(pageIndex);
+    }
+
+    if (this._resumePageIdx === pageIndex) {
+      this._resumePageIdx = null;
+
+      this._nextPageMatch();
+    }
+
+    const pageMatchesCount = this._pageMatches[pageIndex].length;
+
+    if (pageMatchesCount > 0) {
+      this._matchesCountTotal += pageMatchesCount;
+
+      this._updateUIResultsCount();
+    }
+  }
+
+  _extractText() {
+    if (this._extractTextPromises.length > 0) {
+      return;
+    }
+
+    let promise = Promise.resolve();
+
+    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+      const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
+      this._extractTextPromises[i] = extractTextCapability.promise;
+      promise = promise.then(() => {
+        return this._pdfDocument.getPage(i + 1).then(pdfPage => {
+          return pdfPage.getTextContent({
+            normalizeWhitespace: true
+          });
+        }).then(textContent => {
+          const textItems = textContent.items;
+          const strBuf = [];
+
+          for (let j = 0, jj = textItems.length; j < jj; j++) {
+            strBuf.push(textItems[j].str);
+          }
+
+          this._pageContents[i] = normalize(strBuf.join(""));
+          extractTextCapability.resolve(i);
+        }, reason => {
+          console.error(`Unable to get text content for page ${i + 1}`, reason);
+          this._pageContents[i] = "";
+          extractTextCapability.resolve(i);
+        });
+      });
+    }
+  }
+
+  _updatePage(index) {
+    if (this._scrollMatches && this._selected.pageIdx === index) {
+      this._linkService.page = index + 1;
+    }
+
+    this._eventBus.dispatch("updatetextlayermatches", {
+      source: this,
+      pageIndex: index
+    });
+  }
+
+  _updateAllPages() {
+    this._eventBus.dispatch("updatetextlayermatches", {
+      source: this,
+      pageIndex: -1
+    });
+  }
+
+  _nextMatch() {
+    const previous = this._state.findPrevious;
+    const currentPageIndex = this._linkService.page - 1;
+    const numPages = this._linkService.pagesCount;
+    this._highlightMatches = true;
+
+    if (this._dirtyMatch) {
+      this._dirtyMatch = false;
+      this._selected.pageIdx = this._selected.matchIdx = -1;
+      this._offset.pageIdx = currentPageIndex;
+      this._offset.matchIdx = null;
+      this._offset.wrapped = false;
+      this._resumePageIdx = null;
+      this._pageMatches.length = 0;
+      this._pageMatchesLength.length = 0;
+      this._matchesCountTotal = 0;
+
+      this._updateAllPages();
+
+      for (let i = 0; i < numPages; i++) {
+        if (this._pendingFindMatches[i] === true) {
+          continue;
+        }
+
+        this._pendingFindMatches[i] = true;
+
+        this._extractTextPromises[i].then(pageIdx => {
+          delete this._pendingFindMatches[pageIdx];
+
+          this._calculateMatch(pageIdx);
+        });
+      }
+    }
+
+    if (this._query === "") {
+      this._updateUIState(FindState.FOUND);
+
+      return;
+    }
+
+    if (this._resumePageIdx) {
+      return;
+    }
+
+    const offset = this._offset;
+    this._pagesToSearch = numPages;
+
+    if (offset.matchIdx !== null) {
+      const numPageMatches = this._pageMatches[offset.pageIdx].length;
+
+      if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+
+        this._updateMatch(true);
+
+        return;
+      }
+
+      this._advanceOffsetPage(previous);
+    }
+
+    this._nextPageMatch();
+  }
+
+  _matchesReady(matches) {
+    const offset = this._offset;
+    const numMatches = matches.length;
+    const previous = this._state.findPrevious;
+
+    if (numMatches) {
+      offset.matchIdx = previous ? numMatches - 1 : 0;
+
+      this._updateMatch(true);
+
+      return true;
+    }
+
+    this._advanceOffsetPage(previous);
+
+    if (offset.wrapped) {
+      offset.matchIdx = null;
+
+      if (this._pagesToSearch < 0) {
+        this._updateMatch(false);
+
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  _nextPageMatch() {
+    if (this._resumePageIdx !== null) {
+      console.error("There can only be one pending page.");
+    }
+
+    let matches = null;
+
+    do {
+      const pageIdx = this._offset.pageIdx;
+      matches = this._pageMatches[pageIdx];
+
+      if (!matches) {
+        this._resumePageIdx = pageIdx;
+        break;
+      }
+    } while (!this._matchesReady(matches));
+  }
+
+  _advanceOffsetPage(previous) {
+    const offset = this._offset;
+    const numPages = this._linkService.pagesCount;
+    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+    offset.matchIdx = null;
+    this._pagesToSearch--;
+
+    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+      offset.pageIdx = previous ? numPages - 1 : 0;
+      offset.wrapped = true;
+    }
+  }
+
+  _updateMatch(found = false) {
+    let state = FindState.NOT_FOUND;
+    const wrapped = this._offset.wrapped;
+    this._offset.wrapped = false;
+
+    if (found) {
+      const previousPage = this._selected.pageIdx;
+      this._selected.pageIdx = this._offset.pageIdx;
+      this._selected.matchIdx = this._offset.matchIdx;
+      state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+
+      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+        this._updatePage(previousPage);
+      }
+    }
+
+    this._updateUIState(state, this._state.findPrevious);
+
+    if (this._selected.pageIdx !== -1) {
+      this._scrollMatches = true;
+
+      this._updatePage(this._selected.pageIdx);
+    }
+  }
+
+  _onFindBarClose(evt) {
+    const pdfDocument = this._pdfDocument;
+
+    this._firstPageCapability.promise.then(() => {
+      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+        return;
+      }
+
+      if (this._findTimeout) {
+        clearTimeout(this._findTimeout);
+        this._findTimeout = null;
+      }
+
+      if (this._resumePageIdx) {
+        this._resumePageIdx = null;
+        this._dirtyMatch = true;
+      }
+
+      this._updateUIState(FindState.FOUND);
+
+      this._highlightMatches = false;
+
+      this._updateAllPages();
+    });
+  }
+
+  _requestMatchesCount() {
+    const {
+      pageIdx,
+      matchIdx
+    } = this._selected;
+    let current = 0,
+        total = this._matchesCountTotal;
+
+    if (matchIdx !== -1) {
+      for (let i = 0; i < pageIdx; i++) {
+        current += this._pageMatches[i] && this._pageMatches[i].length || 0;
+      }
+
+      current += matchIdx + 1;
+    }
+
+    if (current < 1 || current > total) {
+      current = total = 0;
+    }
+
+    return {
+      current,
+      total
+    };
+  }
+
+  _updateUIResultsCount() {
+    this._eventBus.dispatch("updatefindmatchescount", {
+      source: this,
+      matchesCount: this._requestMatchesCount()
+    });
+  }
+
+  _updateUIState(state, previous) {
+    this._eventBus.dispatch("updatefindcontrolstate", {
+      source: this,
+      state,
+      previous,
+      matchesCount: this._requestMatchesCount(),
+      rawQuery: this._state ? this._state.query : null
+    });
+  }
+
+}
+
+exports.PDFFindController = PDFFindController;
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getCharacterType = getCharacterType;
+exports.CharacterType = void 0;
+const CharacterType = {
+  SPACE: 0,
+  ALPHA_LETTER: 1,
+  PUNCT: 2,
+  HAN_LETTER: 3,
+  KATAKANA_LETTER: 4,
+  HIRAGANA_LETTER: 5,
+  HALFWIDTH_KATAKANA_LETTER: 6,
+  THAI_LETTER: 7
+};
+exports.CharacterType = CharacterType;
+
+function isAlphabeticalScript(charCode) {
+  return charCode < 0x2e80;
+}
+
+function isAscii(charCode) {
+  return (charCode & 0xff80) === 0;
+}
+
+function isAsciiAlpha(charCode) {
+  return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+
+function isAsciiDigit(charCode) {
+  return charCode >= 0x30 && charCode <= 0x39;
+}
+
+function isAsciiSpace(charCode) {
+  return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+
+function isHan(charCode) {
+  return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+
+function isKatakana(charCode) {
+  return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+
+function isHiragana(charCode) {
+  return charCode >= 0x3040 && charCode <= 0x309f;
+}
+
+function isHalfwidthKatakana(charCode) {
+  return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+
+function isThai(charCode) {
+  return (charCode & 0xff80) === 0x0e00;
+}
+
+function getCharacterType(charCode) {
+  if (isAlphabeticalScript(charCode)) {
+    if (isAscii(charCode)) {
+      if (isAsciiSpace(charCode)) {
+        return CharacterType.SPACE;
+      } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+        return CharacterType.ALPHA_LETTER;
+      }
+
+      return CharacterType.PUNCT;
+    } else if (isThai(charCode)) {
+      return CharacterType.THAI_LETTER;
+    } else if (charCode === 0xa0) {
+      return CharacterType.SPACE;
+    }
+
+    return CharacterType.ALPHA_LETTER;
+  }
+
+  if (isHan(charCode)) {
+    return CharacterType.HAN_LETTER;
+  } else if (isKatakana(charCode)) {
+    return CharacterType.KATAKANA_LETTER;
+  } else if (isHiragana(charCode)) {
+    return CharacterType.HIRAGANA_LETTER;
+  } else if (isHalfwidthKatakana(charCode)) {
+    return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+  }
+
+  return CharacterType.ALPHA_LETTER;
+}
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isDestHashesEqual = isDestHashesEqual;
+exports.isDestArraysEqual = isDestArraysEqual;
+exports.PDFHistory = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+const HASH_CHANGE_TIMEOUT = 1000;
+const POSITION_UPDATED_THRESHOLD = 50;
+const UPDATE_VIEWAREA_TIMEOUT = 1000;
+
+function getCurrentHash() {
+  return document.location.hash;
+}
+
+class PDFHistory {
+  constructor({
+    linkService,
+    eventBus
+  }) {
+    this.linkService = linkService;
+    this.eventBus = eventBus;
+    this._initialized = false;
+    this._fingerprint = "";
+    this.reset();
+    this._boundEvents = null;
+    this._isViewerInPresentationMode = false;
+
+    this.eventBus._on("presentationmodechanged", evt => {
+      this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
+    });
+
+    this.eventBus._on("pagesinit", () => {
+      this._isPagesLoaded = false;
+
+      const onPagesLoaded = evt => {
+        this.eventBus._off("pagesloaded", onPagesLoaded);
+
+        this._isPagesLoaded = !!evt.pagesCount;
+      };
+
+      this.eventBus._on("pagesloaded", onPagesLoaded);
+    });
+  }
+
+  initialize({
+    fingerprint,
+    resetHistory = false,
+    updateUrl = false
+  }) {
+    if (!fingerprint || typeof fingerprint !== "string") {
+      console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+      return;
+    }
+
+    if (this._initialized) {
+      this.reset();
+    }
+
+    const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+    this._fingerprint = fingerprint;
+    this._updateUrl = updateUrl === true;
+    this._initialized = true;
+
+    this._bindEvents();
+
+    const state = window.history.state;
+    this._popStateInProgress = false;
+    this._blockHashChange = 0;
+    this._currentHash = getCurrentHash();
+    this._numPositionUpdates = 0;
+    this._uid = this._maxUid = 0;
+    this._destination = null;
+    this._position = null;
+
+    if (!this._isValidState(state, true) || resetHistory) {
+      const {
+        hash,
+        page,
+        rotation
+      } = this._parseCurrentHash(true);
+
+      if (!hash || reInitialized || resetHistory) {
+        this._pushOrReplaceState(null, true);
+
+        return;
+      }
+
+      this._pushOrReplaceState({
+        hash,
+        page,
+        rotation
+      }, true);
+
+      return;
+    }
+
+    const destination = state.destination;
+
+    this._updateInternalState(destination, state.uid, true);
+
+    if (this._uid > this._maxUid) {
+      this._maxUid = this._uid;
+    }
+
+    if (destination.rotation !== undefined) {
+      this._initialRotation = destination.rotation;
+    }
+
+    if (destination.dest) {
+      this._initialBookmark = JSON.stringify(destination.dest);
+      this._destination.page = null;
+    } else if (destination.hash) {
+      this._initialBookmark = destination.hash;
+    } else if (destination.page) {
+      this._initialBookmark = `page=${destination.page}`;
+    }
+  }
+
+  reset() {
+    if (this._initialized) {
+      this._pageHide();
+
+      this._initialized = false;
+
+      this._unbindEvents();
+    }
+
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    this._initialBookmark = null;
+    this._initialRotation = null;
+  }
+
+  push({
+    namedDest = null,
+    explicitDest,
+    pageNumber
+  }) {
+    if (!this._initialized) {
+      return;
+    }
+
+    if (namedDest && typeof namedDest !== "string") {
+      console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
+      return;
+    } else if (!Array.isArray(explicitDest)) {
+      console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
+      return;
+    } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
+      if (pageNumber !== null || this._destination) {
+        console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
+        return;
+      }
+    }
+
+    const hash = namedDest || JSON.stringify(explicitDest);
+
+    if (!hash) {
+      return;
+    }
+
+    let forceReplace = false;
+
+    if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+      if (this._destination.page) {
+        return;
+      }
+
+      forceReplace = true;
+    }
+
+    if (this._popStateInProgress && !forceReplace) {
+      return;
+    }
+
+    this._pushOrReplaceState({
+      dest: explicitDest,
+      hash,
+      page: pageNumber,
+      rotation: this.linkService.rotation
+    }, forceReplace);
+
+    if (!this._popStateInProgress) {
+      this._popStateInProgress = true;
+      Promise.resolve().then(() => {
+        this._popStateInProgress = false;
+      });
+    }
+  }
+
+  pushCurrentPosition() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    this._tryPushCurrentPosition();
+  }
+
+  back() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    const state = window.history.state;
+
+    if (this._isValidState(state) && state.uid > 0) {
+      window.history.back();
+    }
+  }
+
+  forward() {
+    if (!this._initialized || this._popStateInProgress) {
+      return;
+    }
+
+    const state = window.history.state;
+
+    if (this._isValidState(state) && state.uid < this._maxUid) {
+      window.history.forward();
+    }
+  }
+
+  get popStateInProgress() {
+    return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+  }
+
+  get initialBookmark() {
+    return this._initialized ? this._initialBookmark : null;
+  }
+
+  get initialRotation() {
+    return this._initialized ? this._initialRotation : null;
+  }
+
+  _pushOrReplaceState(destination, forceReplace = false) {
+    const shouldReplace = forceReplace || !this._destination;
+    const newState = {
+      fingerprint: this._fingerprint,
+      uid: shouldReplace ? this._uid : this._uid + 1,
+      destination
+    };
+
+    this._updateInternalState(destination, newState.uid);
+
+    let newUrl;
+
+    if (this._updateUrl && destination && destination.hash) {
+      const baseUrl = document.location.href.split("#")[0];
+
+      if (!baseUrl.startsWith("file://")) {
+        newUrl = `${baseUrl}#${destination.hash}`;
+      }
+    }
+
+    if (shouldReplace) {
+      window.history.replaceState(newState, "", newUrl);
+    } else {
+      this._maxUid = this._uid;
+      window.history.pushState(newState, "", newUrl);
+    }
+  }
+
+  _tryPushCurrentPosition(temporary = false) {
+    if (!this._position) {
+      return;
+    }
+
+    let position = this._position;
+
+    if (temporary) {
+      position = Object.assign(Object.create(null), this._position);
+      position.temporary = true;
+    }
+
+    if (!this._destination) {
+      this._pushOrReplaceState(position);
+
+      return;
+    }
+
+    if (this._destination.temporary) {
+      this._pushOrReplaceState(position, true);
+
+      return;
+    }
+
+    if (this._destination.hash === position.hash) {
+      return;
+    }
+
+    if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+      return;
+    }
+
+    let forceReplace = false;
+
+    if (this._destination.page >= position.first && this._destination.page <= position.page) {
+      if (this._destination.dest || !this._destination.first) {
+        return;
+      }
+
+      forceReplace = true;
+    }
+
+    this._pushOrReplaceState(position, forceReplace);
+  }
+
+  _isValidState(state, checkReload = false) {
+    if (!state) {
+      return false;
+    }
+
+    if (state.fingerprint !== this._fingerprint) {
+      if (checkReload) {
+        if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+          return false;
+        }
+
+        const [perfEntry] = performance.getEntriesByType("navigation");
+
+        if (!perfEntry || perfEntry.type !== "reload") {
+          return false;
+        }
+      } else {
+        return false;
+      }
+    }
+
+    if (!Number.isInteger(state.uid) || state.uid < 0) {
+      return false;
+    }
+
+    if (state.destination === null || typeof state.destination !== "object") {
+      return false;
+    }
+
+    return true;
+  }
+
+  _updateInternalState(destination, uid, removeTemporary = false) {
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    if (removeTemporary && destination && destination.temporary) {
+      delete destination.temporary;
+    }
+
+    this._destination = destination;
+    this._uid = uid;
+    this._numPositionUpdates = 0;
+  }
+
+  _parseCurrentHash(checkNameddest = false) {
+    const hash = unescape(getCurrentHash()).substring(1);
+    const params = (0, _ui_utils.parseQueryString)(hash);
+    const nameddest = params.nameddest || "";
+    let page = params.page | 0;
+
+    if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {
+      page = null;
+    }
+
+    return {
+      hash,
+      page,
+      rotation: this.linkService.rotation
+    };
+  }
+
+  _updateViewarea({
+    location
+  }) {
+    if (this._updateViewareaTimeout) {
+      clearTimeout(this._updateViewareaTimeout);
+      this._updateViewareaTimeout = null;
+    }
+
+    this._position = {
+      hash: this._isViewerInPresentationMode ? `page=${location.pageNumber}` : location.pdfOpenParams.substring(1),
+      page: this.linkService.page,
+      first: location.pageNumber,
+      rotation: location.rotation
+    };
+
+    if (this._popStateInProgress) {
+      return;
+    }
+
+    if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+      this._numPositionUpdates++;
+    }
+
+    if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+      this._updateViewareaTimeout = setTimeout(() => {
+        if (!this._popStateInProgress) {
+          this._tryPushCurrentPosition(true);
+        }
+
+        this._updateViewareaTimeout = null;
+      }, UPDATE_VIEWAREA_TIMEOUT);
+    }
+  }
+
+  _popState({
+    state
+  }) {
+    const newHash = getCurrentHash(),
+          hashChanged = this._currentHash !== newHash;
+    this._currentHash = newHash;
+
+    if (!state) {
+      this._uid++;
+
+      const {
+        hash,
+        page,
+        rotation
+      } = this._parseCurrentHash();
+
+      this._pushOrReplaceState({
+        hash,
+        page,
+        rotation
+      }, true);
+
+      return;
+    }
+
+    if (!this._isValidState(state)) {
+      return;
+    }
+
+    this._popStateInProgress = true;
+
+    if (hashChanged) {
+      this._blockHashChange++;
+      (0, _ui_utils.waitOnEventOrTimeout)({
+        target: window,
+        name: "hashchange",
+        delay: HASH_CHANGE_TIMEOUT
+      }).then(() => {
+        this._blockHashChange--;
+      });
+    }
+
+    const destination = state.destination;
+
+    this._updateInternalState(destination, state.uid, true);
+
+    if (this._uid > this._maxUid) {
+      this._maxUid = this._uid;
+    }
+
+    if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
+      this.linkService.rotation = destination.rotation;
+    }
+
+    if (destination.dest) {
+      this.linkService.navigateTo(destination.dest);
+    } else if (destination.hash) {
+      this.linkService.setHash(destination.hash);
+    } else if (destination.page) {
+      this.linkService.page = destination.page;
+    }
+
+    Promise.resolve().then(() => {
+      this._popStateInProgress = false;
+    });
+  }
+
+  _pageHide() {
+    if (!this._destination || this._destination.temporary) {
+      this._tryPushCurrentPosition();
+    }
+  }
+
+  _bindEvents() {
+    if (this._boundEvents) {
+      return;
+    }
+
+    this._boundEvents = {
+      updateViewarea: this._updateViewarea.bind(this),
+      popState: this._popState.bind(this),
+      pageHide: this._pageHide.bind(this)
+    };
+
+    this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
+
+    window.addEventListener("popstate", this._boundEvents.popState);
+    window.addEventListener("pagehide", this._boundEvents.pageHide);
+  }
+
+  _unbindEvents() {
+    if (!this._boundEvents) {
+      return;
+    }
+
+    this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
+
+    window.removeEventListener("popstate", this._boundEvents.popState);
+    window.removeEventListener("pagehide", this._boundEvents.pageHide);
+    this._boundEvents = null;
+  }
+
+}
+
+exports.PDFHistory = PDFHistory;
+
+function isDestHashesEqual(destHash, pushHash) {
+  if (typeof destHash !== "string" || typeof pushHash !== "string") {
+    return false;
+  }
+
+  if (destHash === pushHash) {
+    return true;
+  }
+
+  const {
+    nameddest
+  } = (0, _ui_utils.parseQueryString)(destHash);
+
+  if (nameddest === pushHash) {
+    return true;
+  }
+
+  return false;
+}
+
+function isDestArraysEqual(firstDest, secondDest) {
+  function isEntryEqual(first, second) {
+    if (typeof first !== typeof second) {
+      return false;
+    }
+
+    if (Array.isArray(first) || Array.isArray(second)) {
+      return false;
+    }
+
+    if (first !== null && typeof first === "object" && second !== null) {
+      if (Object.keys(first).length !== Object.keys(second).length) {
+        return false;
+      }
+
+      for (const key in first) {
+        if (!isEntryEqual(first[key], second[key])) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+
+    return first === second || Number.isNaN(first) && Number.isNaN(second);
+  }
+
+  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+    return false;
+  }
+
+  if (firstDest.length !== secondDest.length) {
+    return false;
+  }
+
+  for (let i = 0, ii = firstDest.length; i < ii; i++) {
+    if (!isEntryEqual(firstDest[i], secondDest[i])) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFPageView = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_rendering_queue = __w_pdfjs_require__(14);
+
+var _viewer_compatibility = __w_pdfjs_require__(7);
+
+const MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
+
+class PDFPageView {
+  constructor(options) {
+    const container = options.container;
+    const defaultViewport = options.defaultViewport;
+    this.id = options.id;
+    this.renderingId = "page" + this.id;
+    this.pdfPage = null;
+    this.pageLabel = null;
+    this.rotation = 0;
+    this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
+    this.viewport = defaultViewport;
+    this.pdfPageRotate = defaultViewport.rotation;
+    this._annotationStorage = options.annotationStorage || null;
+    this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+    this.hasRestrictedScaling = false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
+    this.eventBus = options.eventBus;
+    this.renderingQueue = options.renderingQueue;
+    this.textLayerFactory = options.textLayerFactory;
+    this.annotationLayerFactory = options.annotationLayerFactory;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.paintTask = null;
+    this.paintedViewportMap = new WeakMap();
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    this.resume = null;
+    this.error = null;
+    this.annotationLayer = null;
+    this.textLayer = null;
+    this.zoomLayer = null;
+    const div = document.createElement("div");
+    div.className = "page";
+    div.style.width = Math.floor(this.viewport.width) + "px";
+    div.style.height = Math.floor(this.viewport.height) + "px";
+    div.setAttribute("data-page-number", this.id);
+    this.div = div;
+    container.appendChild(div);
+  }
+
+  setPdfPage(pdfPage) {
+    this.pdfPage = pdfPage;
+    this.pdfPageRotate = pdfPage.rotate;
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = pdfPage.getViewport({
+      scale: this.scale * _ui_utils.CSS_UNITS,
+      rotation: totalRotation
+    });
+    this.stats = pdfPage.stats;
+    this.reset();
+  }
+
+  destroy() {
+    this.reset();
+
+    if (this.pdfPage) {
+      this.pdfPage.cleanup();
+    }
+  }
+
+  async _renderAnnotationLayer() {
+    let error = null;
+
+    try {
+      await this.annotationLayer.render(this.viewport, "display");
+    } catch (ex) {
+      error = ex;
+    } finally {
+      this.eventBus.dispatch("annotationlayerrendered", {
+        source: this,
+        pageNumber: this.id,
+        error
+      });
+    }
+  }
+
+  _resetZoomLayer(removeFromDOM = false) {
+    if (!this.zoomLayer) {
+      return;
+    }
+
+    const zoomLayerCanvas = this.zoomLayer.firstChild;
+    this.paintedViewportMap.delete(zoomLayerCanvas);
+    zoomLayerCanvas.width = 0;
+    zoomLayerCanvas.height = 0;
+
+    if (removeFromDOM) {
+      this.zoomLayer.remove();
+    }
+
+    this.zoomLayer = null;
+  }
+
+  reset(keepZoomLayer = false, keepAnnotations = false) {
+    this.cancelRendering(keepAnnotations);
+    this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
+    const div = this.div;
+    div.style.width = Math.floor(this.viewport.width) + "px";
+    div.style.height = Math.floor(this.viewport.height) + "px";
+    const childNodes = div.childNodes;
+    const currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
+    const currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
+
+    for (let i = childNodes.length - 1; i >= 0; i--) {
+      const node = childNodes[i];
+
+      if (currentZoomLayerNode === node || currentAnnotationNode === node) {
+        continue;
+      }
+
+      div.removeChild(node);
+    }
+
+    div.removeAttribute("data-loaded");
+
+    if (currentAnnotationNode) {
+      this.annotationLayer.hide();
+    } else if (this.annotationLayer) {
+      this.annotationLayer.cancel();
+      this.annotationLayer = null;
+    }
+
+    if (!currentZoomLayerNode) {
+      if (this.canvas) {
+        this.paintedViewportMap.delete(this.canvas);
+        this.canvas.width = 0;
+        this.canvas.height = 0;
+        delete this.canvas;
+      }
+
+      this._resetZoomLayer();
+    }
+
+    if (this.svg) {
+      this.paintedViewportMap.delete(this.svg);
+      delete this.svg;
+    }
+
+    this.loadingIconDiv = document.createElement("div");
+    this.loadingIconDiv.className = "loadingIcon";
+    div.appendChild(this.loadingIconDiv);
+  }
+
+  update(scale, rotation, optionalContentConfigPromise = null) {
+    this.scale = scale || this.scale;
+
+    if (typeof rotation !== "undefined") {
+      this.rotation = rotation;
+    }
+
+    if (optionalContentConfigPromise instanceof Promise) {
+      this._optionalContentConfigPromise = optionalContentConfigPromise;
+    }
+
+    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+    this.viewport = this.viewport.clone({
+      scale: this.scale * _ui_utils.CSS_UNITS,
+      rotation: totalRotation
+    });
+
+    if (this.svg) {
+      this.cssTransform(this.svg, true);
+      this.eventBus.dispatch("pagerendered", {
+        source: this,
+        pageNumber: this.id,
+        cssTransform: true,
+        timestamp: performance.now()
+      });
+      return;
+    }
+
+    let isScalingRestricted = false;
+
+    if (this.canvas && this.maxCanvasPixels > 0) {
+      const outputScale = this.outputScale;
+
+      if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
+        isScalingRestricted = true;
+      }
+    }
+
+    if (this.canvas) {
+      if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
+        this.cssTransform(this.canvas, true);
+        this.eventBus.dispatch("pagerendered", {
+          source: this,
+          pageNumber: this.id,
+          cssTransform: true,
+          timestamp: performance.now()
+        });
+        return;
+      }
+
+      if (!this.zoomLayer && !this.canvas.hasAttribute("hidden")) {
+        this.zoomLayer = this.canvas.parentNode;
+        this.zoomLayer.style.position = "absolute";
+      }
+    }
+
+    if (this.zoomLayer) {
+      this.cssTransform(this.zoomLayer.firstChild);
+    }
+
+    this.reset(true, true);
+  }
+
+  cancelRendering(keepAnnotations = false) {
+    if (this.paintTask) {
+      this.paintTask.cancel();
+      this.paintTask = null;
+    }
+
+    this.resume = null;
+
+    if (this.textLayer) {
+      this.textLayer.cancel();
+      this.textLayer = null;
+    }
+
+    if (!keepAnnotations && this.annotationLayer) {
+      this.annotationLayer.cancel();
+      this.annotationLayer = null;
+    }
+  }
+
+  cssTransform(target, redrawAnnotations = false) {
+    const width = this.viewport.width;
+    const height = this.viewport.height;
+    const div = this.div;
+    target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
+    target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
+    const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
+    const absRotation = Math.abs(relativeRotation);
+    let scaleX = 1,
+        scaleY = 1;
+
+    if (absRotation === 90 || absRotation === 270) {
+      scaleX = height / width;
+      scaleY = width / height;
+    }
+
+    const cssTransform = "rotate(" + relativeRotation + "deg) " + "scale(" + scaleX + "," + scaleY + ")";
+    target.style.transform = cssTransform;
+
+    if (this.textLayer) {
+      const textLayerViewport = this.textLayer.viewport;
+      const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
+      const textAbsRotation = Math.abs(textRelativeRotation);
+      let scale = width / textLayerViewport.width;
+
+      if (textAbsRotation === 90 || textAbsRotation === 270) {
+        scale = width / textLayerViewport.height;
+      }
+
+      const textLayerDiv = this.textLayer.textLayerDiv;
+      let transX, transY;
+
+      switch (textAbsRotation) {
+        case 0:
+          transX = transY = 0;
+          break;
+
+        case 90:
+          transX = 0;
+          transY = "-" + textLayerDiv.style.height;
+          break;
+
+        case 180:
+          transX = "-" + textLayerDiv.style.width;
+          transY = "-" + textLayerDiv.style.height;
+          break;
+
+        case 270:
+          transX = "-" + textLayerDiv.style.width;
+          transY = 0;
+          break;
+
+        default:
+          console.error("Bad rotation value.");
+          break;
+      }
+
+      textLayerDiv.style.transform = "rotate(" + textAbsRotation + "deg) " + "scale(" + scale + ", " + scale + ") " + "translate(" + transX + ", " + transY + ")";
+      textLayerDiv.style.transformOrigin = "0% 0%";
+    }
+
+    if (redrawAnnotations && this.annotationLayer) {
+      this._renderAnnotationLayer();
+    }
+  }
+
+  get width() {
+    return this.viewport.width;
+  }
+
+  get height() {
+    return this.viewport.height;
+  }
+
+  getPagePoint(x, y) {
+    return this.viewport.convertToPdfPoint(x, y);
+  }
+
+  draw() {
+    if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
+      console.error("Must be in new state before drawing");
+      this.reset();
+    }
+
+    const {
+      div,
+      pdfPage
+    } = this;
+
+    if (!pdfPage) {
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+      if (this.loadingIconDiv) {
+        div.removeChild(this.loadingIconDiv);
+        delete this.loadingIconDiv;
+      }
+
+      return Promise.reject(new Error("pdfPage is not loaded"));
+    }
+
+    this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+    const canvasWrapper = document.createElement("div");
+    canvasWrapper.style.width = div.style.width;
+    canvasWrapper.style.height = div.style.height;
+    canvasWrapper.classList.add("canvasWrapper");
+
+    if (this.annotationLayer && this.annotationLayer.div) {
+      div.insertBefore(canvasWrapper, this.annotationLayer.div);
+    } else {
+      div.appendChild(canvasWrapper);
+    }
+
+    let textLayer = null;
+
+    if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
+      const textLayerDiv = document.createElement("div");
+      textLayerDiv.className = "textLayer";
+      textLayerDiv.style.width = canvasWrapper.style.width;
+      textLayerDiv.style.height = canvasWrapper.style.height;
+
+      if (this.annotationLayer && this.annotationLayer.div) {
+        div.insertBefore(textLayerDiv, this.annotationLayer.div);
+      } else {
+        div.appendChild(textLayerDiv);
+      }
+
+      textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
+    }
+
+    this.textLayer = textLayer;
+    let renderContinueCallback = null;
+
+    if (this.renderingQueue) {
+      renderContinueCallback = cont => {
+        if (!this.renderingQueue.isHighestPriority(this)) {
+          this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
+
+          this.resume = () => {
+            this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
+            cont();
+          };
+
+          return;
+        }
+
+        cont();
+      };
+    }
+
+    const finishPaintTask = async error => {
+      if (paintTask === this.paintTask) {
+        this.paintTask = null;
+      }
+
+      if (error instanceof _pdfjsLib.RenderingCancelledException) {
+        this.error = null;
+        return;
+      }
+
+      this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+
+      if (this.loadingIconDiv) {
+        div.removeChild(this.loadingIconDiv);
+        delete this.loadingIconDiv;
+      }
+
+      this._resetZoomLayer(true);
+
+      this.error = error;
+      this.stats = pdfPage.stats;
+      this.eventBus.dispatch("pagerendered", {
+        source: this,
+        pageNumber: this.id,
+        cssTransform: false,
+        timestamp: performance.now()
+      });
+
+      if (error) {
+        throw error;
+      }
+    };
+
+    const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
+    paintTask.onRenderContinue = renderContinueCallback;
+    this.paintTask = paintTask;
+    const resultPromise = paintTask.promise.then(function () {
+      return finishPaintTask(null).then(function () {
+        if (textLayer) {
+          const readableStream = pdfPage.streamTextContent({
+            normalizeWhitespace: true
+          });
+          textLayer.setTextContentStream(readableStream);
+          textLayer.render();
+        }
+      });
+    }, function (reason) {
+      return finishPaintTask(reason);
+    });
+
+    if (this.annotationLayerFactory) {
+      if (!this.annotationLayer) {
+        this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this._annotationStorage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
+      }
+
+      this._renderAnnotationLayer();
+    }
+
+    div.setAttribute("data-loaded", true);
+    this.eventBus.dispatch("pagerender", {
+      source: this,
+      pageNumber: this.id
+    });
+    return resultPromise;
+  }
+
+  paintOnCanvas(canvasWrapper) {
+    const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
+    const result = {
+      promise: renderCapability.promise,
+
+      onRenderContinue(cont) {
+        cont();
+      },
+
+      cancel() {
+        renderTask.cancel();
+      }
+
+    };
+    const viewport = this.viewport;
+    const canvas = document.createElement("canvas");
+    this.l10n.get("page_canvas", {
+      page: this.id
+    }, "Page {{page}}").then(msg => {
+      canvas.setAttribute("aria-label", msg);
+    });
+    canvas.setAttribute("hidden", "hidden");
+    let isCanvasHidden = true;
+
+    const showCanvas = function () {
+      if (isCanvasHidden) {
+        canvas.removeAttribute("hidden");
+        isCanvasHidden = false;
+      }
+    };
+
+    canvasWrapper.appendChild(canvas);
+    this.canvas = canvas;
+    canvas.mozOpaque = true;
+    const ctx = canvas.getContext("2d", {
+      alpha: false
+    });
+    const outputScale = (0, _ui_utils.getOutputScale)(ctx);
+    this.outputScale = outputScale;
+
+    if (this.useOnlyCssZoom) {
+      const actualSizeViewport = viewport.clone({
+        scale: _ui_utils.CSS_UNITS
+      });
+      outputScale.sx *= actualSizeViewport.width / viewport.width;
+      outputScale.sy *= actualSizeViewport.height / viewport.height;
+      outputScale.scaled = true;
+    }
+
+    if (this.maxCanvasPixels > 0) {
+      const pixelsInViewport = viewport.width * viewport.height;
+      const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
+
+      if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
+        outputScale.sx = maxScale;
+        outputScale.sy = maxScale;
+        outputScale.scaled = true;
+        this.hasRestrictedScaling = true;
+      } else {
+        this.hasRestrictedScaling = false;
+      }
+    }
+
+    const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
+    const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
+    canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
+    canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
+    canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
+    canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
+    this.paintedViewportMap.set(canvas, viewport);
+    const transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
+    const renderContext = {
+      canvasContext: ctx,
+      transform,
+      viewport: this.viewport,
+      enableWebGL: this.enableWebGL,
+      renderInteractiveForms: this.renderInteractiveForms,
+      optionalContentConfigPromise: this._optionalContentConfigPromise
+    };
+    const renderTask = this.pdfPage.render(renderContext);
+
+    renderTask.onContinue = function (cont) {
+      showCanvas();
+
+      if (result.onRenderContinue) {
+        result.onRenderContinue(cont);
+      } else {
+        cont();
+      }
+    };
+
+    renderTask.promise.then(function () {
+      showCanvas();
+      renderCapability.resolve(undefined);
+    }, function (error) {
+      showCanvas();
+      renderCapability.reject(error);
+    });
+    return result;
+  }
+
+  paintOnSvg(wrapper) {
+    let cancelled = false;
+
+    const ensureNotCancelled = () => {
+      if (cancelled) {
+        throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
+      }
+    };
+
+    const pdfPage = this.pdfPage;
+    const actualSizeViewport = this.viewport.clone({
+      scale: _ui_utils.CSS_UNITS
+    });
+    const promise = pdfPage.getOperatorList().then(opList => {
+      ensureNotCancelled();
+      const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
+      return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
+        ensureNotCancelled();
+        this.svg = svg;
+        this.paintedViewportMap.set(svg, actualSizeViewport);
+        svg.style.width = wrapper.style.width;
+        svg.style.height = wrapper.style.height;
+        this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
+        wrapper.appendChild(svg);
+      });
+    });
+    return {
+      promise,
+
+      onRenderContinue(cont) {
+        cont();
+      },
+
+      cancel() {
+        cancelled = true;
+      }
+
+    };
+  }
+
+  setPageLabel(label) {
+    this.pageLabel = typeof label === "string" ? label : null;
+
+    if (this.pageLabel !== null) {
+      this.div.setAttribute("data-page-label", this.pageLabel);
+    } else {
+      this.div.removeAttribute("data-page-label");
+    }
+  }
+
+}
+
+exports.PDFPageView = PDFPageView;
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFRenderingQueue = exports.RenderingStates = void 0;
+const CLEANUP_TIMEOUT = 30000;
+const RenderingStates = {
+  INITIAL: 0,
+  RUNNING: 1,
+  PAUSED: 2,
+  FINISHED: 3
+};
+exports.RenderingStates = RenderingStates;
+
+class PDFRenderingQueue {
+  constructor() {
+    this.pdfViewer = null;
+    this.pdfThumbnailViewer = null;
+    this.onIdle = null;
+    this.highestPriorityPage = null;
+    this.idleTimeout = null;
+    this.printing = false;
+    this.isThumbnailViewEnabled = false;
+  }
+
+  setViewer(pdfViewer) {
+    this.pdfViewer = pdfViewer;
+  }
+
+  setThumbnailViewer(pdfThumbnailViewer) {
+    this.pdfThumbnailViewer = pdfThumbnailViewer;
+  }
+
+  isHighestPriority(view) {
+    return this.highestPriorityPage === view.renderingId;
+  }
+
+  renderHighestPriority(currentlyVisiblePages) {
+    if (this.idleTimeout) {
+      clearTimeout(this.idleTimeout);
+      this.idleTimeout = null;
+    }
+
+    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+      return;
+    }
+
+    if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
+      if (this.pdfThumbnailViewer.forceRendering()) {
+        return;
+      }
+    }
+
+    if (this.printing) {
+      return;
+    }
+
+    if (this.onIdle) {
+      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+    }
+  }
+
+  getHighestPriority(visible, views, scrolledDown) {
+    const visibleViews = visible.views;
+    const numVisible = visibleViews.length;
+
+    if (numVisible === 0) {
+      return null;
+    }
+
+    for (let i = 0; i < numVisible; ++i) {
+      const view = visibleViews[i].view;
+
+      if (!this.isViewFinished(view)) {
+        return view;
+      }
+    }
+
+    if (scrolledDown) {
+      const nextPageIndex = visible.last.id;
+
+      if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
+        return views[nextPageIndex];
+      }
+    } else {
+      const previousPageIndex = visible.first.id - 2;
+
+      if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
+        return views[previousPageIndex];
+      }
+    }
+
+    return null;
+  }
+
+  isViewFinished(view) {
+    return view.renderingState === RenderingStates.FINISHED;
+  }
+
+  renderView(view) {
+    switch (view.renderingState) {
+      case RenderingStates.FINISHED:
+        return false;
+
+      case RenderingStates.PAUSED:
+        this.highestPriorityPage = view.renderingId;
+        view.resume();
+        break;
+
+      case RenderingStates.RUNNING:
+        this.highestPriorityPage = view.renderingId;
+        break;
+
+      case RenderingStates.INITIAL:
+        this.highestPriorityPage = view.renderingId;
+        view.draw().finally(() => {
+          this.renderHighestPriority();
+        }).catch(reason => {
+          console.error(`renderView: "${reason}"`);
+        });
+        break;
+    }
+
+    return true;
+  }
+
+}
+
+exports.PDFRenderingQueue = PDFRenderingQueue;
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFSinglePageViewer = void 0;
+
+var _base_viewer = __w_pdfjs_require__(16);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+class PDFSinglePageViewer extends _base_viewer.BaseViewer {
+  constructor(options) {
+    super(options);
+
+    this.eventBus._on("pagesinit", evt => {
+      this._ensurePageViewVisible();
+    });
+  }
+
+  get _viewerElement() {
+    return (0, _pdfjsLib.shadow)(this, "_viewerElement", this._shadowViewer);
+  }
+
+  _resetView() {
+    super._resetView();
+
+    this._previousPageNumber = 1;
+    this._shadowViewer = document.createDocumentFragment();
+    this._updateScrollDown = null;
+  }
+
+  _ensurePageViewVisible() {
+    const pageView = this._pages[this._currentPageNumber - 1];
+    const previousPageView = this._pages[this._previousPageNumber - 1];
+    const viewerNodes = this.viewer.childNodes;
+
+    switch (viewerNodes.length) {
+      case 0:
+        this.viewer.appendChild(pageView.div);
+        break;
+
+      case 1:
+        if (viewerNodes[0] !== previousPageView.div) {
+          throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
+        }
+
+        if (pageView === previousPageView) {
+          break;
+        }
+
+        this._shadowViewer.appendChild(previousPageView.div);
+
+        this.viewer.appendChild(pageView.div);
+        this.container.scrollTop = 0;
+        break;
+
+      default:
+        throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
+    }
+
+    this._previousPageNumber = this._currentPageNumber;
+  }
+
+  _scrollUpdate() {
+    if (this._updateScrollDown) {
+      this._updateScrollDown();
+    }
+
+    super._scrollUpdate();
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    if (pageNumber) {
+      this._setCurrentPageNumber(pageNumber);
+    }
+
+    const scrolledDown = this._currentPageNumber >= this._previousPageNumber;
+
+    this._ensurePageViewVisible();
+
+    this.update();
+
+    super._scrollIntoView({
+      pageDiv,
+      pageSpot,
+      pageNumber
+    });
+
+    this._updateScrollDown = () => {
+      this.scroll.down = scrolledDown;
+      this._updateScrollDown = null;
+    };
+  }
+
+  _getVisiblePages() {
+    return this._getCurrentVisiblePage();
+  }
+
+  _updateHelper(visiblePages) {}
+
+  get _isScrollModeHorizontal() {
+    return (0, _pdfjsLib.shadow)(this, "_isScrollModeHorizontal", false);
+  }
+
+  _updateScrollMode() {}
+
+  _updateSpreadMode() {}
+
+}
+
+exports.PDFSinglePageViewer = PDFSinglePageViewer;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.BaseViewer = void 0;
+
+var _ui_utils = __w_pdfjs_require__(3);
+
+var _pdf_rendering_queue = __w_pdfjs_require__(14);
+
+var _annotation_layer_builder = __w_pdfjs_require__(1);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+var _pdf_page_view = __w_pdfjs_require__(13);
+
+var _pdf_link_service = __w_pdfjs_require__(4);
+
+var _text_layer_builder = __w_pdfjs_require__(5);
+
+const DEFAULT_CACHE_SIZE = 10;
+
+function PDFPageViewBuffer(size) {
+  const data = [];
+
+  this.push = function (view) {
+    const i = data.indexOf(view);
+
+    if (i >= 0) {
+      data.splice(i, 1);
+    }
+
+    data.push(view);
+
+    if (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+
+  this.resize = function (newSize, pagesToKeep) {
+    size = newSize;
+
+    if (pagesToKeep) {
+      const pageIdsToKeep = new Set();
+
+      for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
+        pageIdsToKeep.add(pagesToKeep[i].id);
+      }
+
+      (0, _ui_utils.moveToEndOfArray)(data, function (page) {
+        return pageIdsToKeep.has(page.id);
+      });
+    }
+
+    while (data.length > size) {
+      data.shift().destroy();
+    }
+  };
+}
+
+function isSameScale(oldScale, newScale) {
+  if (newScale === oldScale) {
+    return true;
+  }
+
+  if (Math.abs(newScale - oldScale) < 1e-15) {
+    return true;
+  }
+
+  return false;
+}
+
+class BaseViewer {
+  constructor(options) {
+    if (this.constructor === BaseViewer) {
+      throw new Error("Cannot initialize BaseViewer.");
+    }
+
+    this._name = this.constructor.name;
+    this.container = options.container;
+    this.viewer = options.viewer || options.container.firstElementChild;
+
+    if (!(this.container instanceof HTMLDivElement && this.viewer instanceof HTMLDivElement)) {
+      throw new Error("Invalid `container` and/or `viewer` option.");
+    }
+
+    this.eventBus = options.eventBus;
+    this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
+    this.downloadManager = options.downloadManager || null;
+    this.findController = options.findController || null;
+    this.removePageBorders = options.removePageBorders || false;
+    this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
+    this.imageResourcesPath = options.imageResourcesPath || "";
+    this.renderInteractiveForms = typeof options.renderInteractiveForms === "boolean" ? options.renderInteractiveForms : true;
+    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
+    this.enableWebGL = options.enableWebGL || false;
+    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
+    this.maxCanvasPixels = options.maxCanvasPixels;
+    this.l10n = options.l10n || _ui_utils.NullL10n;
+    this.defaultRenderingQueue = !options.renderingQueue;
+
+    if (this.defaultRenderingQueue) {
+      this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
+      this.renderingQueue.setViewer(this);
+    } else {
+      this.renderingQueue = options.renderingQueue;
+    }
+
+    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
+    this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
+    this._onBeforeDraw = this._onAfterDraw = null;
+
+    this._resetView();
+
+    if (this.removePageBorders) {
+      this.viewer.classList.add("removePageBorders");
+    }
+
+    Promise.resolve().then(() => {
+      this.eventBus.dispatch("baseviewerinit", {
+        source: this
+      });
+    });
+  }
+
+  get pagesCount() {
+    return this._pages.length;
+  }
+
+  getPageView(index) {
+    return this._pages[index];
+  }
+
+  get pageViewsReady() {
+    if (!this._pagesCapability.settled) {
+      return false;
+    }
+
+    return this._pages.every(function (pageView) {
+      return pageView && pageView.pdfPage;
+    });
+  }
+
+  get currentPageNumber() {
+    return this._currentPageNumber;
+  }
+
+  set currentPageNumber(val) {
+    if (!Number.isInteger(val)) {
+      throw new Error("Invalid page number.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!this._setCurrentPageNumber(val, true)) {
+      console.error(`${this._name}.currentPageNumber: "${val}" is not a valid page.`);
+    }
+  }
+
+  _setCurrentPageNumber(val, resetCurrentPageView = false) {
+    if (this._currentPageNumber === val) {
+      if (resetCurrentPageView) {
+        this._resetCurrentPageView();
+      }
+
+      return true;
+    }
+
+    if (!(0 < val && val <= this.pagesCount)) {
+      return false;
+    }
+
+    this._currentPageNumber = val;
+    this.eventBus.dispatch("pagechanging", {
+      source: this,
+      pageNumber: val,
+      pageLabel: this._pageLabels && this._pageLabels[val - 1]
+    });
+
+    if (resetCurrentPageView) {
+      this._resetCurrentPageView();
+    }
+
+    return true;
+  }
+
+  get currentPageLabel() {
+    return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
+  }
+
+  set currentPageLabel(val) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    let page = val | 0;
+
+    if (this._pageLabels) {
+      const i = this._pageLabels.indexOf(val);
+
+      if (i >= 0) {
+        page = i + 1;
+      }
+    }
+
+    if (!this._setCurrentPageNumber(page, true)) {
+      console.error(`${this._name}.currentPageLabel: "${val}" is not a valid page.`);
+    }
+  }
+
+  get currentScale() {
+    return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
+  }
+
+  set currentScale(val) {
+    if (isNaN(val)) {
+      throw new Error("Invalid numeric scale.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    this._setScale(val, false);
+  }
+
+  get currentScaleValue() {
+    return this._currentScaleValue;
+  }
+
+  set currentScaleValue(val) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    this._setScale(val, false);
+  }
+
+  get pagesRotation() {
+    return this._pagesRotation;
+  }
+
+  set pagesRotation(rotation) {
+    if (!(0, _ui_utils.isValidRotation)(rotation)) {
+      throw new Error("Invalid pages rotation angle.");
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (this._pagesRotation === rotation) {
+      return;
+    }
+
+    this._pagesRotation = rotation;
+    const pageNumber = this._currentPageNumber;
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      const pageView = this._pages[i];
+      pageView.update(pageView.scale, rotation);
+    }
+
+    if (this._currentScaleValue) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    this.eventBus.dispatch("rotationchanging", {
+      source: this,
+      pagesRotation: rotation,
+      pageNumber
+    });
+
+    if (this.defaultRenderingQueue) {
+      this.update();
+    }
+  }
+
+  get firstPagePromise() {
+    return this.pdfDocument ? this._firstPageCapability.promise : null;
+  }
+
+  get onePageRendered() {
+    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+  }
+
+  get pagesPromise() {
+    return this.pdfDocument ? this._pagesCapability.promise : null;
+  }
+
+  get _viewerElement() {
+    throw new Error("Not implemented: _viewerElement");
+  }
+
+  _onePageRenderedOrForceFetch() {
+    if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+      return Promise.resolve();
+    }
+
+    return this._onePageRenderedCapability.promise;
+  }
+
+  setDocument(pdfDocument) {
+    if (this.pdfDocument) {
+      this._cancelRendering();
+
+      this._resetView();
+
+      if (this.findController) {
+        this.findController.setDocument(null);
+      }
+    }
+
+    this.pdfDocument = pdfDocument;
+
+    if (!pdfDocument) {
+      return;
+    }
+
+    const pagesCount = pdfDocument.numPages;
+    const firstPagePromise = pdfDocument.getPage(1);
+    const annotationStorage = pdfDocument.annotationStorage;
+    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+
+    this._pagesCapability.promise.then(() => {
+      this.eventBus.dispatch("pagesloaded", {
+        source: this,
+        pagesCount
+      });
+    });
+
+    this._onBeforeDraw = evt => {
+      const pageView = this._pages[evt.pageNumber - 1];
+
+      if (!pageView) {
+        return;
+      }
+
+      this._buffer.push(pageView);
+    };
+
+    this.eventBus._on("pagerender", this._onBeforeDraw);
+
+    this._onAfterDraw = evt => {
+      if (evt.cssTransform || this._onePageRenderedCapability.settled) {
+        return;
+      }
+
+      this._onePageRenderedCapability.resolve();
+
+      this.eventBus._off("pagerendered", this._onAfterDraw);
+
+      this._onAfterDraw = null;
+    };
+
+    this.eventBus._on("pagerendered", this._onAfterDraw);
+
+    firstPagePromise.then(firstPdfPage => {
+      this._firstPageCapability.resolve(firstPdfPage);
+
+      this._optionalContentConfigPromise = optionalContentConfigPromise;
+      const scale = this.currentScale;
+      const viewport = firstPdfPage.getViewport({
+        scale: scale * _ui_utils.CSS_UNITS
+      });
+      const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? this : null;
+
+      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+        const pageView = new _pdf_page_view.PDFPageView({
+          container: this._viewerElement,
+          eventBus: this.eventBus,
+          id: pageNum,
+          scale,
+          defaultViewport: viewport.clone(),
+          annotationStorage,
+          optionalContentConfigPromise,
+          renderingQueue: this.renderingQueue,
+          textLayerFactory,
+          textLayerMode: this.textLayerMode,
+          annotationLayerFactory: this,
+          imageResourcesPath: this.imageResourcesPath,
+          renderInteractiveForms: this.renderInteractiveForms,
+          renderer: this.renderer,
+          enableWebGL: this.enableWebGL,
+          useOnlyCssZoom: this.useOnlyCssZoom,
+          maxCanvasPixels: this.maxCanvasPixels,
+          l10n: this.l10n
+        });
+
+        this._pages.push(pageView);
+      }
+
+      const firstPageView = this._pages[0];
+
+      if (firstPageView) {
+        firstPageView.setPdfPage(firstPdfPage);
+        this.linkService.cachePageRef(1, firstPdfPage.ref);
+      }
+
+      if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
+        this._updateSpreadMode();
+      }
+
+      this._onePageRenderedOrForceFetch().then(() => {
+        if (this.findController) {
+          this.findController.setDocument(pdfDocument);
+        }
+
+        if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
+          this._pagesCapability.resolve();
+
+          return;
+        }
+
+        let getPagesLeft = pagesCount - 1;
+
+        if (getPagesLeft <= 0) {
+          this._pagesCapability.resolve();
+
+          return;
+        }
+
+        for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
+          pdfDocument.getPage(pageNum).then(pdfPage => {
+            const pageView = this._pages[pageNum - 1];
+
+            if (!pageView.pdfPage) {
+              pageView.setPdfPage(pdfPage);
+            }
+
+            this.linkService.cachePageRef(pageNum, pdfPage.ref);
+
+            if (--getPagesLeft === 0) {
+              this._pagesCapability.resolve();
+            }
+          }, reason => {
+            console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
+
+            if (--getPagesLeft === 0) {
+              this._pagesCapability.resolve();
+            }
+          });
+        }
+      });
+
+      this.eventBus.dispatch("pagesinit", {
+        source: this
+      });
+
+      if (this.defaultRenderingQueue) {
+        this.update();
+      }
+    }).catch(reason => {
+      console.error("Unable to initialize viewer", reason);
+    });
+  }
+
+  setPageLabels(labels) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!labels) {
+      this._pageLabels = null;
+    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+      this._pageLabels = null;
+      console.error(`${this._name}.setPageLabels: Invalid page labels.`);
+    } else {
+      this._pageLabels = labels;
+    }
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      const pageView = this._pages[i];
+      const label = this._pageLabels && this._pageLabels[i];
+      pageView.setPageLabel(label);
+    }
+  }
+
+  _resetView() {
+    this._pages = [];
+    this._currentPageNumber = 1;
+    this._currentScale = _ui_utils.UNKNOWN_SCALE;
+    this._currentScaleValue = null;
+    this._pageLabels = null;
+    this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+    this._location = null;
+    this._pagesRotation = 0;
+    this._optionalContentConfigPromise = null;
+    this._pagesRequests = new WeakMap();
+    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
+    this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
+    this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
+    this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
+    this._spreadMode = _ui_utils.SpreadMode.NONE;
+
+    if (this._onBeforeDraw) {
+      this.eventBus._off("pagerender", this._onBeforeDraw);
+
+      this._onBeforeDraw = null;
+    }
+
+    if (this._onAfterDraw) {
+      this.eventBus._off("pagerendered", this._onAfterDraw);
+
+      this._onAfterDraw = null;
+    }
+
+    this.viewer.textContent = "";
+
+    this._updateScrollMode();
+  }
+
+  _scrollUpdate() {
+    if (this.pagesCount === 0) {
+      return;
+    }
+
+    this.update();
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
+  }
+
+  _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
+    this._currentScaleValue = newValue.toString();
+
+    if (isSameScale(this._currentScale, newScale)) {
+      if (preset) {
+        this.eventBus.dispatch("scalechanging", {
+          source: this,
+          scale: newScale,
+          presetValue: newValue
+        });
+      }
+
+      return;
+    }
+
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      this._pages[i].update(newScale);
+    }
+
+    this._currentScale = newScale;
+
+    if (!noScroll) {
+      let page = this._currentPageNumber,
+          dest;
+
+      if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+        page = this._location.pageNumber;
+        dest = [null, {
+          name: "XYZ"
+        }, this._location.left, this._location.top, null];
+      }
+
+      this.scrollPageIntoView({
+        pageNumber: page,
+        destArray: dest,
+        allowNegativeOffset: true
+      });
+    }
+
+    this.eventBus.dispatch("scalechanging", {
+      source: this,
+      scale: newScale,
+      presetValue: preset ? newValue : undefined
+    });
+
+    if (this.defaultRenderingQueue) {
+      this.update();
+    }
+  }
+
+  _setScale(value, noScroll = false) {
+    let scale = parseFloat(value);
+
+    if (scale > 0) {
+      this._setScaleUpdatePages(scale, value, noScroll, false);
+    } else {
+      const currentPage = this._pages[this._currentPageNumber - 1];
+
+      if (!currentPage) {
+        return;
+      }
+
+      const noPadding = this.isInPresentationMode || this.removePageBorders;
+      let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
+      let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
+
+      if (!noPadding && this._isScrollModeHorizontal) {
+        [hPadding, vPadding] = [vPadding, hPadding];
+      }
+
+      const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
+      const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+
+      switch (value) {
+        case "page-actual":
+          scale = 1;
+          break;
+
+        case "page-width":
+          scale = pageWidthScale;
+          break;
+
+        case "page-height":
+          scale = pageHeightScale;
+          break;
+
+        case "page-fit":
+          scale = Math.min(pageWidthScale, pageHeightScale);
+          break;
+
+        case "auto":
+          const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+          scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
+          break;
+
+        default:
+          console.error(`${this._name}._setScale: "${value}" is an unknown zoom value.`);
+          return;
+      }
+
+      this._setScaleUpdatePages(scale, value, noScroll, true);
+    }
+  }
+
+  _resetCurrentPageView() {
+    if (this.isInPresentationMode) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    const pageView = this._pages[this._currentPageNumber - 1];
+
+    this._scrollIntoView({
+      pageDiv: pageView.div
+    });
+  }
+
+  scrollPageIntoView({
+    pageNumber,
+    destArray = null,
+    allowNegativeOffset = false,
+    ignoreDestinationZoom = false
+  }) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+
+    if (!pageView) {
+      console.error(`${this._name}.scrollPageIntoView: ` + `"${pageNumber}" is not a valid pageNumber parameter.`);
+      return;
+    }
+
+    if (this.isInPresentationMode || !destArray) {
+      this._setCurrentPageNumber(pageNumber, true);
+
+      return;
+    }
+
+    let x = 0,
+        y = 0;
+    let width = 0,
+        height = 0,
+        widthScale,
+        heightScale;
+    const changeOrientation = pageView.rotation % 180 !== 0;
+    const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
+    const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
+    let scale = 0;
+
+    switch (destArray[1].name) {
+      case "XYZ":
+        x = destArray[2];
+        y = destArray[3];
+        scale = destArray[4];
+        x = x !== null ? x : 0;
+        y = y !== null ? y : pageHeight;
+        break;
+
+      case "Fit":
+      case "FitB":
+        scale = "page-fit";
+        break;
+
+      case "FitH":
+      case "FitBH":
+        y = destArray[2];
+        scale = "page-width";
+
+        if (y === null && this._location) {
+          x = this._location.left;
+          y = this._location.top;
+        }
+
+        break;
+
+      case "FitV":
+      case "FitBV":
+        x = destArray[2];
+        width = pageWidth;
+        height = pageHeight;
+        scale = "page-height";
+        break;
+
+      case "FitR":
+        x = destArray[2];
+        y = destArray[3];
+        width = destArray[4] - x;
+        height = destArray[5] - y;
+        const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
+        const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
+        widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
+        heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
+        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+        break;
+
+      default:
+        console.error(`${this._name}.scrollPageIntoView: ` + `"${destArray[1].name}" is not a valid destination type.`);
+        return;
+    }
+
+    if (!ignoreDestinationZoom) {
+      if (scale && scale !== this._currentScale) {
+        this.currentScaleValue = scale;
+      } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
+        this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
+      }
+    }
+
+    if (scale === "page-fit" && !destArray[4]) {
+      this._scrollIntoView({
+        pageDiv: pageView.div,
+        pageNumber
+      });
+
+      return;
+    }
+
+    const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+
+    if (!allowNegativeOffset) {
+      left = Math.max(left, 0);
+      top = Math.max(top, 0);
+    }
+
+    this._scrollIntoView({
+      pageDiv: pageView.div,
+      pageSpot: {
+        left,
+        top
+      },
+      pageNumber
+    });
+  }
+
+  _updateLocation(firstPage) {
+    const currentScale = this._currentScale;
+    const currentScaleValue = this._currentScaleValue;
+    const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+    const pageNumber = firstPage.id;
+    let pdfOpenParams = "#page=" + pageNumber;
+    pdfOpenParams += "&zoom=" + normalizedScaleValue;
+    const currentPageView = this._pages[pageNumber - 1];
+    const container = this.container;
+    const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+    const intLeft = Math.round(topLeft[0]);
+    const intTop = Math.round(topLeft[1]);
+    pdfOpenParams += "," + intLeft + "," + intTop;
+    this._location = {
+      pageNumber,
+      scale: normalizedScaleValue,
+      top: intTop,
+      left: intLeft,
+      rotation: this._pagesRotation,
+      pdfOpenParams
+    };
+  }
+
+  _updateHelper(visiblePages) {
+    throw new Error("Not implemented: _updateHelper");
+  }
+
+  update() {
+    const visible = this._getVisiblePages();
+
+    const visiblePages = visible.views,
+          numVisiblePages = visiblePages.length;
+
+    if (numVisiblePages === 0) {
+      return;
+    }
+
+    const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+
+    this._buffer.resize(newCacheSize, visiblePages);
+
+    this.renderingQueue.renderHighestPriority(visible);
+
+    this._updateHelper(visiblePages);
+
+    this._updateLocation(visible.first);
+
+    this.eventBus.dispatch("updateviewarea", {
+      source: this,
+      location: this._location
+    });
+  }
+
+  containsElement(element) {
+    return this.container.contains(element);
+  }
+
+  focus() {
+    this.container.focus();
+  }
+
+  get _isScrollModeHorizontal() {
+    return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
+  }
+
+  get isInPresentationMode() {
+    return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
+  }
+
+  get isChangingPresentationMode() {
+    return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
+  }
+
+  get isHorizontalScrollbarEnabled() {
+    return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+  }
+
+  get isVerticalScrollbarEnabled() {
+    return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+  }
+
+  _getCurrentVisiblePage() {
+    if (!this.pagesCount) {
+      return {
+        views: []
+      };
+    }
+
+    const pageView = this._pages[this._currentPageNumber - 1];
+    const element = pageView.div;
+    const view = {
+      id: pageView.id,
+      x: element.offsetLeft + element.clientLeft,
+      y: element.offsetTop + element.clientTop,
+      view: pageView
+    };
+    return {
+      first: view,
+      last: view,
+      views: [view]
+    };
+  }
+
+  _getVisiblePages() {
+    return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
+  }
+
+  isPageVisible(pageNumber) {
+    if (!this.pdfDocument) {
+      return false;
+    }
+
+    if (pageNumber < 1 || pageNumber > this.pagesCount) {
+      console.error(`${this._name}.isPageVisible: "${pageNumber}" is out of bounds.`);
+      return false;
+    }
+
+    return this._getVisiblePages().views.some(function (view) {
+      return view.id === pageNumber;
+    });
+  }
+
+  cleanup() {
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
+        this._pages[i].reset();
+      }
+    }
+  }
+
+  _cancelRendering() {
+    for (let i = 0, ii = this._pages.length; i < ii; i++) {
+      if (this._pages[i]) {
+        this._pages[i].cancelRendering();
+      }
+    }
+  }
+
+  _ensurePdfPageLoaded(pageView) {
+    if (pageView.pdfPage) {
+      return Promise.resolve(pageView.pdfPage);
+    }
+
+    if (this._pagesRequests.has(pageView)) {
+      return this._pagesRequests.get(pageView);
+    }
+
+    const promise = this.pdfDocument.getPage(pageView.id).then(pdfPage => {
+      if (!pageView.pdfPage) {
+        pageView.setPdfPage(pdfPage);
+      }
+
+      this._pagesRequests.delete(pageView);
+
+      return pdfPage;
+    }).catch(reason => {
+      console.error("Unable to get page for page view", reason);
+
+      this._pagesRequests.delete(pageView);
+    });
+
+    this._pagesRequests.set(pageView, promise);
+
+    return promise;
+  }
+
+  forceRendering(currentlyVisiblePages) {
+    const visiblePages = currentlyVisiblePages || this._getVisiblePages();
+
+    const scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
+    const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
+
+    if (pageView) {
+      this._ensurePdfPageLoaded(pageView).then(() => {
+        this.renderingQueue.renderView(pageView);
+      });
+
+      return true;
+    }
+
+    return false;
+  }
+
+  createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
+    return new _text_layer_builder.TextLayerBuilder({
+      textLayerDiv,
+      eventBus,
+      pageIndex,
+      viewport,
+      findController: this.isInPresentationMode ? null : this.findController,
+      enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
+    });
+  }
+
+  createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = false, l10n = _ui_utils.NullL10n) {
+    return new _annotation_layer_builder.AnnotationLayerBuilder({
+      pageDiv,
+      pdfPage,
+      annotationStorage,
+      imageResourcesPath,
+      renderInteractiveForms,
+      linkService: this.linkService,
+      downloadManager: this.downloadManager,
+      l10n
+    });
+  }
+
+  get hasEqualPageSizes() {
+    const firstPageView = this._pages[0];
+
+    for (let i = 1, ii = this._pages.length; i < ii; ++i) {
+      const pageView = this._pages[i];
+
+      if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  getPagesOverview() {
+    const pagesOverview = this._pages.map(function (pageView) {
+      const viewport = pageView.pdfPage.getViewport({
+        scale: 1
+      });
+      return {
+        width: viewport.width,
+        height: viewport.height,
+        rotation: viewport.rotation
+      };
+    });
+
+    if (!this.enablePrintAutoRotate) {
+      return pagesOverview;
+    }
+
+    return pagesOverview.map(function (size) {
+      if ((0, _ui_utils.isPortraitOrientation)(size)) {
+        return size;
+      }
+
+      return {
+        width: size.height,
+        height: size.width,
+        rotation: (size.rotation + 90) % 360
+      };
+    });
+  }
+
+  get optionalContentConfigPromise() {
+    if (!this.pdfDocument) {
+      return Promise.resolve(null);
+    }
+
+    if (!this._optionalContentConfigPromise) {
+      return this.pdfDocument.getOptionalContentConfig();
+    }
+
+    return this._optionalContentConfigPromise;
+  }
+
+  set optionalContentConfigPromise(promise) {
+    if (!(promise instanceof Promise)) {
+      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
+    }
+
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    if (!this._optionalContentConfigPromise) {
+      return;
+    }
+
+    this._optionalContentConfigPromise = promise;
+
+    for (const pageView of this._pages) {
+      pageView.update(pageView.scale, pageView.rotation, promise);
+    }
+
+    this.update();
+    this.eventBus.dispatch("optionalcontentconfigchanged", {
+      source: this,
+      promise
+    });
+  }
+
+  get scrollMode() {
+    return this._scrollMode;
+  }
+
+  set scrollMode(mode) {
+    if (this._scrollMode === mode) {
+      return;
+    }
+
+    if (!(0, _ui_utils.isValidScrollMode)(mode)) {
+      throw new Error(`Invalid scroll mode: ${mode}`);
+    }
+
+    this._scrollMode = mode;
+    this.eventBus.dispatch("scrollmodechanged", {
+      source: this,
+      mode
+    });
+
+    this._updateScrollMode(this._currentPageNumber);
+  }
+
+  _updateScrollMode(pageNumber = null) {
+    const scrollMode = this._scrollMode,
+          viewer = this.viewer;
+    viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
+    viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
+
+    if (!this.pdfDocument || !pageNumber) {
+      return;
+    }
+
+    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+      this._setScale(this._currentScaleValue, true);
+    }
+
+    this._setCurrentPageNumber(pageNumber, true);
+
+    this.update();
+  }
+
+  get spreadMode() {
+    return this._spreadMode;
+  }
+
+  set spreadMode(mode) {
+    if (this._spreadMode === mode) {
+      return;
+    }
+
+    if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
+      throw new Error(`Invalid spread mode: ${mode}`);
+    }
+
+    this._spreadMode = mode;
+    this.eventBus.dispatch("spreadmodechanged", {
+      source: this,
+      mode
+    });
+
+    this._updateSpreadMode(this._currentPageNumber);
+  }
+
+  _updateSpreadMode(pageNumber = null) {
+    if (!this.pdfDocument) {
+      return;
+    }
+
+    const viewer = this.viewer,
+          pages = this._pages;
+    viewer.textContent = "";
+
+    if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
+      for (let i = 0, iMax = pages.length; i < iMax; ++i) {
+        viewer.appendChild(pages[i].div);
+      }
+    } else {
+      const parity = this._spreadMode - 1;
+      let spread = null;
+
+      for (let i = 0, iMax = pages.length; i < iMax; ++i) {
+        if (spread === null) {
+          spread = document.createElement("div");
+          spread.className = "spread";
+          viewer.appendChild(spread);
+        } else if (i % 2 === parity) {
+          spread = spread.cloneNode(false);
+          viewer.appendChild(spread);
+        }
+
+        spread.appendChild(pages[i].div);
+      }
+    }
+
+    if (!pageNumber) {
+      return;
+    }
+
+    this._setCurrentPageNumber(pageNumber, true);
+
+    this.update();
+  }
+
+}
+
+exports.BaseViewer = BaseViewer;
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFViewer = void 0;
+
+var _base_viewer = __w_pdfjs_require__(16);
+
+var _pdfjsLib = __w_pdfjs_require__(2);
+
+class PDFViewer extends _base_viewer.BaseViewer {
+  get _viewerElement() {
+    return (0, _pdfjsLib.shadow)(this, "_viewerElement", this.viewer);
+  }
+
+  _scrollIntoView({
+    pageDiv,
+    pageSpot = null,
+    pageNumber = null
+  }) {
+    if (!pageSpot && !this.isInPresentationMode) {
+      const left = pageDiv.offsetLeft + pageDiv.clientLeft;
+      const right = left + pageDiv.clientWidth;
+      const {
+        scrollLeft,
+        clientWidth
+      } = this.container;
+
+      if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
+        pageSpot = {
+          left: 0,
+          top: 0
+        };
+      }
+    }
+
+    super._scrollIntoView({
+      pageDiv,
+      pageSpot,
+      pageNumber
+    });
+  }
+
+  _getVisiblePages() {
+    if (this.isInPresentationMode) {
+      return this._getCurrentVisiblePage();
+    }
+
+    return super._getVisiblePages();
+  }
+
+  _updateHelper(visiblePages) {
+    if (this.isInPresentationMode) {
+      return;
+    }
+
+    let currentId = this._currentPageNumber;
+    let stillFullyVisible = false;
+
+    for (const page of visiblePages) {
+      if (page.percent < 100) {
+        break;
+      }
+
+      if (page.id === currentId) {
+        stillFullyVisible = true;
+        break;
+      }
+    }
+
+    if (!stillFullyVisible) {
+      currentId = visiblePages[0].id;
+    }
+
+    this._setCurrentPageNumber(currentId);
+  }
+
+}
+
+exports.PDFViewer = PDFViewer;
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf_viewer.js.map
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/web/pdf_viewer.js.map b/node_modules/pdfjs-dist/web/pdf_viewer.js.map
new file mode 100644
index 00000000..fa8b0ca6
--- /dev/null
+++ b/node_modules/pdfjs-dist/web/pdf_viewer.js.map
@@ -0,0 +1 @@
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specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  AnnotationLayerBuilder,\n  DefaultAnnotationLayerFactory,\n} from \"./annotation_layer_builder.js\";\nimport {\n  DefaultTextLayerFactory,\n  TextLayerBuilder,\n} from \"./text_layer_builder.js\";\nimport { EventBus, NullL10n, ProgressBar } from \"./ui_utils.js\";\nimport { PDFLinkService, SimpleLinkService } from \"./pdf_link_service.js\";\nimport { DownloadManager } from \"./download_manager.js\";\nimport { GenericL10n } from \"./genericl10n.js\";\nimport { PDFFindController } from \"./pdf_find_controller.js\";\nimport { PDFHistory } from \"./pdf_history.js\";\nimport { PDFPageView } from \"./pdf_page_view.js\";\nimport { PDFSinglePageViewer } from \"./pdf_single_page_viewer.js\";\nimport { PDFViewer } from \"./pdf_viewer.js\";\n\n// eslint-disable-next-line no-unused-vars\nconst pdfjsVersion = PDFJSDev.eval(\"BUNDLE_VERSION\");\n// eslint-disable-next-line no-unused-vars\nconst pdfjsBuild = PDFJSDev.eval(\"BUNDLE_BUILD\");\n\nexport {\n  PDFViewer,\n  PDFSinglePageViewer,\n  PDFPageView,\n  PDFLinkService,\n  SimpleLinkService,\n  TextLayerBuilder,\n  DefaultTextLayerFactory,\n  AnnotationLayerBuilder,\n  DefaultAnnotationLayerFactory,\n  PDFHistory,\n  PDFFindController,\n  EventBus,\n  DownloadManager,\n  ProgressBar,\n  GenericL10n,\n  NullL10n,\n};\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AnnotationLayer } from \"pdfjs-lib\";\nimport { NullL10n } from \"./ui_utils.js\";\nimport { SimpleLinkService } from \"./pdf_link_service.js\";\n\n/**\n * @typedef {Object} AnnotationLayerBuilderOptions\n * @property {HTMLDivElement} pageDiv\n * @property {PDFPage} pdfPage\n * @property {AnnotationStorage} [annotationStorage]\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {IL10n} l10n - Localization service.\n */\n\nclass AnnotationLayerBuilder {\n  /**\n   * @param {AnnotationLayerBuilderOptions} options\n   */\n  constructor({\n    pageDiv,\n    pdfPage,\n    linkService,\n    downloadManager,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = true,\n    l10n = NullL10n,\n  }) {\n    this.pageDiv = pageDiv;\n    this.pdfPage = pdfPage;\n    this.linkService = linkService;\n    this.downloadManager = downloadManager;\n    this.imageResourcesPath = imageResourcesPath;\n    this.renderInteractiveForms = renderInteractiveForms;\n    this.l10n = l10n;\n    this.annotationStorage = annotationStorage;\n\n    this.div = null;\n    this._cancelled = false;\n  }\n\n  /**\n   * @param {PageViewport} viewport\n   * @param {string} intent (default value is 'display')\n   * @returns {Promise<void>} A promise that is resolved when rendering of the\n   *   annotations is complete.\n   */\n  render(viewport, intent = \"display\") {\n    return this.pdfPage.getAnnotations({ intent }).then(annotations => {\n      if (this._cancelled) {\n        return;\n      }\n      if (annotations.length === 0) {\n        return;\n      }\n\n      const parameters = {\n        viewport: viewport.clone({ dontFlip: true }),\n        div: this.div,\n        annotations,\n        page: this.pdfPage,\n        imageResourcesPath: this.imageResourcesPath,\n        renderInteractiveForms: this.renderInteractiveForms,\n        linkService: this.linkService,\n        downloadManager: this.downloadManager,\n        annotationStorage: this.annotationStorage,\n      };\n\n      if (this.div) {\n        // If an annotationLayer already exists, refresh its children's\n        // transformation matrices.\n        AnnotationLayer.update(parameters);\n      } else {\n        // Create an annotation layer div and render the annotations\n        // if there is at least one annotation.\n        this.div = document.createElement(\"div\");\n        this.div.className = \"annotationLayer\";\n        this.pageDiv.appendChild(this.div);\n        parameters.div = this.div;\n\n        AnnotationLayer.render(parameters);\n        this.l10n.translate(this.div);\n      }\n    });\n  }\n\n  cancel() {\n    this._cancelled = true;\n  }\n\n  hide() {\n    if (!this.div) {\n      return;\n    }\n    this.div.setAttribute(\"hidden\", \"true\");\n  }\n}\n\n/**\n * @implements IPDFAnnotationLayerFactory\n */\nclass DefaultAnnotationLayerFactory {\n  /**\n   * @param {HTMLDivElement} pageDiv\n   * @param {PDFPage} pdfPage\n   * @param {AnnotationStorage} [annotationStorage]\n   * @param {string} [imageResourcesPath] - Path for image resources, mainly\n   *   for annotation icons. Include trailing slash.\n   * @param {boolean} renderInteractiveForms\n   * @param {IL10n} l10n\n   * @returns {AnnotationLayerBuilder}\n   */\n  createAnnotationLayerBuilder(\n    pageDiv,\n    pdfPage,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = true,\n    l10n = NullL10n\n  ) {\n    return new AnnotationLayerBuilder({\n      pageDiv,\n      pdfPage,\n      imageResourcesPath,\n      renderInteractiveForms,\n      linkService: new SimpleLinkService(),\n      l10n,\n      annotationStorage,\n    });\n  }\n}\n\nexport { AnnotationLayerBuilder, DefaultAnnotationLayerFactory };\n","/* Copyright 2016 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals module, __non_webpack_require__ */\n\n\"use strict\";\n\nlet pdfjsLib;\nif (typeof window !== \"undefined\" && window[\"pdfjs-dist/build/pdf\"]) {\n  pdfjsLib = window[\"pdfjs-dist/build/pdf\"];\n} else {\n  pdfjsLib = __non_webpack_require__(\"../build/pdf.js\");\n}\nmodule.exports = pdfjsLib;\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CSS_UNITS = 96.0 / 72.0;\nconst DEFAULT_SCALE_VALUE = \"auto\";\nconst DEFAULT_SCALE = 1.0;\nconst MIN_SCALE = 0.1;\nconst MAX_SCALE = 10.0;\nconst UNKNOWN_SCALE = 0;\nconst MAX_AUTO_SCALE = 1.25;\nconst SCROLLBAR_PADDING = 40;\nconst VERTICAL_PADDING = 5;\n\nconst PresentationModeState = {\n  UNKNOWN: 0,\n  NORMAL: 1,\n  CHANGING: 2,\n  FULLSCREEN: 3,\n};\n\nconst RendererType = {\n  CANVAS: \"canvas\",\n  SVG: \"svg\",\n};\n\nconst TextLayerMode = {\n  DISABLE: 0,\n  ENABLE: 1,\n  ENABLE_ENHANCE: 2,\n};\n\nconst ScrollMode = {\n  UNKNOWN: -1,\n  VERTICAL: 0, // Default value.\n  HORIZONTAL: 1,\n  WRAPPED: 2,\n};\n\nconst SpreadMode = {\n  UNKNOWN: -1,\n  NONE: 0, // Default value.\n  ODD: 1,\n  EVEN: 2,\n};\n\n// Used by `PDFViewerApplication`, and by the API unit-tests.\nconst AutoPrintRegExp = /\\bprint\\s*\\(/;\n\n// Replaces {{arguments}} with their values.\nfunction formatL10nValue(text, args) {\n  if (!args) {\n    return text;\n  }\n  return text.replace(/\\{\\{\\s*(\\w+)\\s*\\}\\}/g, (all, name) => {\n    return name in args ? args[name] : \"{{\" + name + \"}}\";\n  });\n}\n\n/**\n * No-op implementation of the localization service.\n * @implements {IL10n}\n */\nconst NullL10n = {\n  async getLanguage() {\n    return \"en-us\";\n  },\n\n  async getDirection() {\n    return \"ltr\";\n  },\n\n  async get(property, args, fallback) {\n    return formatL10nValue(fallback, args);\n  },\n\n  async translate(element) {},\n};\n\n/**\n * Returns scale factor for the canvas. It makes sense for the HiDPI displays.\n * @returns {Object} The object with horizontal (sx) and vertical (sy)\n *                   scales. The scaled property is set to false if scaling is\n *                   not required, true otherwise.\n */\nfunction getOutputScale(ctx) {\n  const devicePixelRatio = window.devicePixelRatio || 1;\n  const backingStoreRatio =\n    ctx.webkitBackingStorePixelRatio ||\n    ctx.mozBackingStorePixelRatio ||\n    ctx.msBackingStorePixelRatio ||\n    ctx.oBackingStorePixelRatio ||\n    ctx.backingStorePixelRatio ||\n    1;\n  const pixelRatio = devicePixelRatio / backingStoreRatio;\n  return {\n    sx: pixelRatio,\n    sy: pixelRatio,\n    scaled: pixelRatio !== 1,\n  };\n}\n\n/**\n * Scrolls specified element into view of its parent.\n * @param {Object} element - The element to be visible.\n * @param {Object} spot - An object with optional top and left properties,\n *   specifying the offset from the top left edge.\n * @param {boolean} skipOverflowHiddenElements - Ignore elements that have\n *   the CSS rule `overflow: hidden;` set. The default is false.\n */\nfunction scrollIntoView(element, spot, skipOverflowHiddenElements = false) {\n  // Assuming offsetParent is available (it's not available when viewer is in\n  // hidden iframe or object). We have to scroll: if the offsetParent is not set\n  // producing the error. See also animationStarted.\n  let parent = element.offsetParent;\n  if (!parent) {\n    console.error(\"offsetParent is not set -- cannot scroll\");\n    return;\n  }\n  let offsetY = element.offsetTop + element.clientTop;\n  let offsetX = element.offsetLeft + element.clientLeft;\n  while (\n    (parent.clientHeight === parent.scrollHeight &&\n      parent.clientWidth === parent.scrollWidth) ||\n    (skipOverflowHiddenElements &&\n      getComputedStyle(parent).overflow === \"hidden\")\n  ) {\n    if (parent.dataset._scaleY) {\n      offsetY /= parent.dataset._scaleY;\n      offsetX /= parent.dataset._scaleX;\n    }\n    offsetY += parent.offsetTop;\n    offsetX += parent.offsetLeft;\n    parent = parent.offsetParent;\n    if (!parent) {\n      return; // no need to scroll\n    }\n  }\n  if (spot) {\n    if (spot.top !== undefined) {\n      offsetY += spot.top;\n    }\n    if (spot.left !== undefined) {\n      offsetX += spot.left;\n      parent.scrollLeft = offsetX;\n    }\n  }\n  parent.scrollTop = offsetY;\n}\n\n/**\n * Helper function to start monitoring the scroll event and converting them into\n * PDF.js friendly one: with scroll debounce and scroll direction.\n */\nfunction watchScroll(viewAreaElement, callback) {\n  const debounceScroll = function (evt) {\n    if (rAF) {\n      return;\n    }\n    // schedule an invocation of scroll for next animation frame.\n    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {\n      rAF = null;\n\n      const currentX = viewAreaElement.scrollLeft;\n      const lastX = state.lastX;\n      if (currentX !== lastX) {\n        state.right = currentX > lastX;\n      }\n      state.lastX = currentX;\n      const currentY = viewAreaElement.scrollTop;\n      const lastY = state.lastY;\n      if (currentY !== lastY) {\n        state.down = currentY > lastY;\n      }\n      state.lastY = currentY;\n      callback(state);\n    });\n  };\n\n  const state = {\n    right: true,\n    down: true,\n    lastX: viewAreaElement.scrollLeft,\n    lastY: viewAreaElement.scrollTop,\n    _eventHandler: debounceScroll,\n  };\n\n  let rAF = null;\n  viewAreaElement.addEventListener(\"scroll\", debounceScroll, true);\n  return state;\n}\n\n/**\n * Helper function to parse query string (e.g. ?param1=value&parm2=...).\n */\nfunction parseQueryString(query) {\n  const parts = query.split(\"&\");\n  const params = Object.create(null);\n  for (let i = 0, ii = parts.length; i < ii; ++i) {\n    const param = parts[i].split(\"=\");\n    const key = param[0].toLowerCase();\n    const value = param.length > 1 ? param[1] : null;\n    params[decodeURIComponent(key)] = decodeURIComponent(value);\n  }\n  return params;\n}\n\n/**\n * Use binary search to find the index of the first item in a given array which\n * passes a given condition. The items are expected to be sorted in the sense\n * that if the condition is true for one item in the array, then it is also true\n * for all following items.\n *\n * @returns {number} Index of the first array element to pass the test,\n *                   or |items.length| if no such element exists.\n */\nfunction binarySearchFirstItem(items, condition) {\n  let minIndex = 0;\n  let maxIndex = items.length - 1;\n\n  if (maxIndex < 0 || !condition(items[maxIndex])) {\n    return items.length;\n  }\n  if (condition(items[minIndex])) {\n    return minIndex;\n  }\n\n  while (minIndex < maxIndex) {\n    const currentIndex = (minIndex + maxIndex) >> 1;\n    const currentItem = items[currentIndex];\n    if (condition(currentItem)) {\n      maxIndex = currentIndex;\n    } else {\n      minIndex = currentIndex + 1;\n    }\n  }\n  return minIndex; /* === maxIndex */\n}\n\n/**\n *  Approximates float number as a fraction using Farey sequence (max order\n *  of 8).\n *  @param {number} x - Positive float number.\n *  @returns {Array} Estimated fraction: the first array item is a numerator,\n *                   the second one is a denominator.\n */\nfunction approximateFraction(x) {\n  // Fast paths for int numbers or their inversions.\n  if (Math.floor(x) === x) {\n    return [x, 1];\n  }\n  const xinv = 1 / x;\n  const limit = 8;\n  if (xinv > limit) {\n    return [1, limit];\n  } else if (Math.floor(xinv) === xinv) {\n    return [1, xinv];\n  }\n\n  const x_ = x > 1 ? xinv : x;\n  // a/b and c/d are neighbours in Farey sequence.\n  let a = 0,\n    b = 1,\n    c = 1,\n    d = 1;\n  // Limiting search to order 8.\n  while (true) {\n    // Generating next term in sequence (order of q).\n    const p = a + c,\n      q = b + d;\n    if (q > limit) {\n      break;\n    }\n    if (x_ <= p / q) {\n      c = p;\n      d = q;\n    } else {\n      a = p;\n      b = q;\n    }\n  }\n  let result;\n  // Select closest of the neighbours to x.\n  if (x_ - a / b < c / d - x_) {\n    result = x_ === x ? [a, b] : [b, a];\n  } else {\n    result = x_ === x ? [c, d] : [d, c];\n  }\n  return result;\n}\n\nfunction roundToDivide(x, div) {\n  const r = x % div;\n  return r === 0 ? x : Math.round(x - r + div);\n}\n\n/**\n * Gets the size of the specified page, converted from PDF units to inches.\n * @param {Object} An Object containing the properties: {Array} `view`,\n *   {number} `userUnit`, and {number} `rotate`.\n * @returns {Object} An Object containing the properties: {number} `width`\n *   and {number} `height`, given in inches.\n */\nfunction getPageSizeInches({ view, userUnit, rotate }) {\n  const [x1, y1, x2, y2] = view;\n  // We need to take the page rotation into account as well.\n  const changeOrientation = rotate % 180 !== 0;\n\n  const width = ((x2 - x1) / 72) * userUnit;\n  const height = ((y2 - y1) / 72) * userUnit;\n\n  return {\n    width: changeOrientation ? height : width,\n    height: changeOrientation ? width : height,\n  };\n}\n\n/**\n * Helper function for getVisibleElements.\n *\n * @param {number} index - initial guess at the first visible element\n * @param {Array} views - array of pages, into which `index` is an index\n * @param {number} top - the top of the scroll pane\n * @returns {number} less than or equal to `index` that is definitely at or\n *   before the first visible element in `views`, but not by too much. (Usually,\n *   this will be the first element in the first partially visible row in\n *   `views`, although sometimes it goes back one row further.)\n */\nfunction backtrackBeforeAllVisibleElements(index, views, top) {\n  // binarySearchFirstItem's assumption is that the input is ordered, with only\n  // one index where the conditions flips from false to true: [false ...,\n  // true...]. With vertical scrolling and spreads, it is possible to have\n  // [false ..., true, false, true ...]. With wrapped scrolling we can have a\n  // similar sequence, with many more mixed true and false in the middle.\n  //\n  // So there is no guarantee that the binary search yields the index of the\n  // first visible element. It could have been any of the other visible elements\n  // that were preceded by a hidden element.\n\n  // Of course, if either this element or the previous (hidden) element is also\n  // the first element, there's nothing to worry about.\n  if (index < 2) {\n    return index;\n  }\n\n  // That aside, the possible cases are represented below.\n  //\n  //     ****  = fully hidden\n  //     A*B*  = mix of partially visible and/or hidden pages\n  //     CDEF  = fully visible\n  //\n  // (1) Binary search could have returned A, in which case we can stop.\n  // (2) Binary search could also have returned B, in which case we need to\n  // check the whole row.\n  // (3) Binary search could also have returned C, in which case we need to\n  // check the whole previous row.\n  //\n  // There's one other possibility:\n  //\n  //     ****  = fully hidden\n  //     ABCD  = mix of fully and/or partially visible pages\n  //\n  // (4) Binary search could only have returned A.\n\n  // Initially assume that we need to find the beginning of the current row\n  // (case 1, 2, or 4), which means finding a page that is above the current\n  // page's top. If the found page is partially visible, we're definitely not in\n  // case 3, and this assumption is correct.\n  let elt = views[index].div;\n  let pageTop = elt.offsetTop + elt.clientTop;\n\n  if (pageTop >= top) {\n    // The found page is fully visible, so we're actually either in case 3 or 4,\n    // and unfortunately we can't tell the difference between them without\n    // scanning the entire previous row, so we just conservatively assume that\n    // we do need to backtrack to that row. In both cases, the previous page is\n    // in the previous row, so use its top instead.\n    elt = views[index - 1].div;\n    pageTop = elt.offsetTop + elt.clientTop;\n  }\n\n  // Now we backtrack to the first page that still has its bottom below\n  // `pageTop`, which is the top of a page in the first visible row (unless\n  // we're in case 4, in which case it's the row before that).\n  // `index` is found by binary search, so the page at `index - 1` is\n  // invisible and we can start looking for potentially visible pages from\n  // `index - 2`. (However, if this loop terminates on its first iteration,\n  // which is the case when pages are stacked vertically, `index` should remain\n  // unchanged, so we use a distinct loop variable.)\n  for (let i = index - 2; i >= 0; --i) {\n    elt = views[i].div;\n    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {\n      // We have reached the previous row, so stop now.\n      // This loop is expected to terminate relatively quickly because the\n      // number of pages per row is expected to be small.\n      break;\n    }\n    index = i;\n  }\n  return index;\n}\n\n/**\n * Generic helper to find out what elements are visible within a scroll pane.\n *\n * Well, pretty generic. There are some assumptions placed on the elements\n * referenced by `views`:\n *   - If `horizontal`, no left of any earlier element is to the right of the\n *     left of any later element.\n *   - Otherwise, `views` can be split into contiguous rows where, within a row,\n *     no top of any element is below the bottom of any other element, and\n *     between rows, no bottom of any element in an earlier row is below the\n *     top of any element in a later row.\n *\n * (Here, top, left, etc. all refer to the padding edge of the element in\n * question. For pages, that ends up being equivalent to the bounding box of the\n * rendering canvas. Earlier and later refer to index in `views`, not page\n * layout.)\n *\n * @param scrollEl {HTMLElement} - a container that can possibly scroll\n * @param views {Array} - objects with a `div` property that contains an\n *   HTMLElement, which should all be descendents of `scrollEl` satisfying the\n *   above layout assumptions\n * @param sortByVisibility {boolean} - if true, the returned elements are sorted\n *   in descending order of the percent of their padding box that is visible\n * @param horizontal {boolean} - if true, the elements are assumed to be laid\n *   out horizontally instead of vertically\n * @returns {Object} `{ first, last, views: [{ id, x, y, view, percent }] }`\n */\nfunction getVisibleElements(\n  scrollEl,\n  views,\n  sortByVisibility = false,\n  horizontal = false\n) {\n  const top = scrollEl.scrollTop,\n    bottom = top + scrollEl.clientHeight;\n  const left = scrollEl.scrollLeft,\n    right = left + scrollEl.clientWidth;\n\n  // Throughout this \"generic\" function, comments will assume we're working with\n  // PDF document pages, which is the most important and complex case. In this\n  // case, the visible elements we're actually interested is the page canvas,\n  // which is contained in a wrapper which adds no padding/border/margin, which\n  // is itself contained in `view.div` which adds no padding (but does add a\n  // border). So, as specified in this function's doc comment, this function\n  // does all of its work on the padding edge of the provided views, starting at\n  // offsetLeft/Top (which includes margin) and adding clientLeft/Top (which is\n  // the border). Adding clientWidth/Height gets us the bottom-right corner of\n  // the padding edge.\n  function isElementBottomAfterViewTop(view) {\n    const element = view.div;\n    const elementBottom =\n      element.offsetTop + element.clientTop + element.clientHeight;\n    return elementBottom > top;\n  }\n  function isElementRightAfterViewLeft(view) {\n    const element = view.div;\n    const elementRight =\n      element.offsetLeft + element.clientLeft + element.clientWidth;\n    return elementRight > left;\n  }\n\n  const visible = [],\n    numViews = views.length;\n  let firstVisibleElementInd =\n    numViews === 0\n      ? 0\n      : binarySearchFirstItem(\n          views,\n          horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop\n        );\n\n  // Please note the return value of the `binarySearchFirstItem` function when\n  // no valid element is found (hence the `firstVisibleElementInd` check below).\n  if (\n    firstVisibleElementInd > 0 &&\n    firstVisibleElementInd < numViews &&\n    !horizontal\n  ) {\n    // In wrapped scrolling (or vertical scrolling with spreads), with some page\n    // sizes, isElementBottomAfterViewTop doesn't satisfy the binary search\n    // condition: there can be pages with bottoms above the view top between\n    // pages with bottoms below. This function detects and corrects that error;\n    // see it for more comments.\n    firstVisibleElementInd = backtrackBeforeAllVisibleElements(\n      firstVisibleElementInd,\n      views,\n      top\n    );\n  }\n\n  // lastEdge acts as a cutoff for us to stop looping, because we know all\n  // subsequent pages will be hidden.\n  //\n  // When using wrapped scrolling or vertical scrolling with spreads, we can't\n  // simply stop the first time we reach a page below the bottom of the view;\n  // the tops of subsequent pages on the same row could still be visible. In\n  // horizontal scrolling, we don't have that issue, so we can stop as soon as\n  // we pass `right`, without needing the code below that handles the -1 case.\n  let lastEdge = horizontal ? right : -1;\n\n  for (let i = firstVisibleElementInd; i < numViews; i++) {\n    const view = views[i],\n      element = view.div;\n    const currentWidth = element.offsetLeft + element.clientLeft;\n    const currentHeight = element.offsetTop + element.clientTop;\n    const viewWidth = element.clientWidth,\n      viewHeight = element.clientHeight;\n    const viewRight = currentWidth + viewWidth;\n    const viewBottom = currentHeight + viewHeight;\n\n    if (lastEdge === -1) {\n      // As commented above, this is only needed in non-horizontal cases.\n      // Setting lastEdge to the bottom of the first page that is partially\n      // visible ensures that the next page fully below lastEdge is on the\n      // next row, which has to be fully hidden along with all subsequent rows.\n      if (viewBottom >= bottom) {\n        lastEdge = viewBottom;\n      }\n    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {\n      break;\n    }\n\n    if (\n      viewBottom <= top ||\n      currentHeight >= bottom ||\n      viewRight <= left ||\n      currentWidth >= right\n    ) {\n      continue;\n    }\n\n    const hiddenHeight =\n      Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);\n    const hiddenWidth =\n      Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);\n    const percent =\n      (((viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100) /\n        viewHeight /\n        viewWidth) |\n      0;\n    visible.push({\n      id: view.id,\n      x: currentWidth,\n      y: currentHeight,\n      view,\n      percent,\n    });\n  }\n\n  const first = visible[0],\n    last = visible[visible.length - 1];\n\n  if (sortByVisibility) {\n    visible.sort(function (a, b) {\n      const pc = a.percent - b.percent;\n      if (Math.abs(pc) > 0.001) {\n        return -pc;\n      }\n      return a.id - b.id; // ensure stability\n    });\n  }\n  return { first, last, views: visible };\n}\n\n/**\n * Event handler to suppress context menu.\n */\nfunction noContextMenuHandler(evt) {\n  evt.preventDefault();\n}\n\nfunction isDataSchema(url) {\n  let i = 0;\n  const ii = url.length;\n  while (i < ii && url[i].trim() === \"\") {\n    i++;\n  }\n  return url.substring(i, i + 5).toLowerCase() === \"data:\";\n}\n\n/**\n * Returns the filename or guessed filename from the url (see issue 3455).\n * @param {string} url - The original PDF location.\n * @param {string} defaultFilename - The value returned if the filename is\n *   unknown, or the protocol is unsupported.\n * @returns {string} Guessed PDF filename.\n */\nfunction getPDFFileNameFromURL(url, defaultFilename = \"document.pdf\") {\n  if (typeof url !== \"string\") {\n    return defaultFilename;\n  }\n  if (isDataSchema(url)) {\n    console.warn(\n      \"getPDFFileNameFromURL: \" +\n        'ignoring \"data:\" URL for performance reasons.'\n    );\n    return defaultFilename;\n  }\n  const reURI = /^(?:(?:[^:]+:)?\\/\\/[^\\/]+)?([^?#]*)(\\?[^#]*)?(#.*)?$/;\n  //              SCHEME        HOST         1.PATH  2.QUERY   3.REF\n  // Pattern to get last matching NAME.pdf\n  const reFilename = /[^\\/?#=]+\\.pdf\\b(?!.*\\.pdf\\b)/i;\n  const splitURI = reURI.exec(url);\n  let suggestedFilename =\n    reFilename.exec(splitURI[1]) ||\n    reFilename.exec(splitURI[2]) ||\n    reFilename.exec(splitURI[3]);\n  if (suggestedFilename) {\n    suggestedFilename = suggestedFilename[0];\n    if (suggestedFilename.includes(\"%\")) {\n      // URL-encoded %2Fpath%2Fto%2Ffile.pdf should be file.pdf\n      try {\n        suggestedFilename = reFilename.exec(\n          decodeURIComponent(suggestedFilename)\n        )[0];\n      } catch (ex) {\n        // Possible (extremely rare) errors:\n        // URIError \"Malformed URI\", e.g. for \"%AA.pdf\"\n        // TypeError \"null has no properties\", e.g. for \"%2F.pdf\"\n      }\n    }\n  }\n  return suggestedFilename || defaultFilename;\n}\n\nfunction normalizeWheelEventDirection(evt) {\n  let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);\n  const angle = Math.atan2(evt.deltaY, evt.deltaX);\n  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {\n    // All that is left-up oriented has to change the sign.\n    delta = -delta;\n  }\n  return delta;\n}\n\nfunction normalizeWheelEventDelta(evt) {\n  let delta = normalizeWheelEventDirection(evt);\n\n  const MOUSE_DOM_DELTA_PIXEL_MODE = 0;\n  const MOUSE_DOM_DELTA_LINE_MODE = 1;\n  const MOUSE_PIXELS_PER_LINE = 30;\n  const MOUSE_LINES_PER_PAGE = 30;\n\n  // Converts delta to per-page units\n  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {\n    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;\n  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {\n    delta /= MOUSE_LINES_PER_PAGE;\n  }\n  return delta;\n}\n\nfunction isValidRotation(angle) {\n  return Number.isInteger(angle) && angle % 90 === 0;\n}\n\nfunction isValidScrollMode(mode) {\n  return (\n    Number.isInteger(mode) &&\n    Object.values(ScrollMode).includes(mode) &&\n    mode !== ScrollMode.UNKNOWN\n  );\n}\n\nfunction isValidSpreadMode(mode) {\n  return (\n    Number.isInteger(mode) &&\n    Object.values(SpreadMode).includes(mode) &&\n    mode !== SpreadMode.UNKNOWN\n  );\n}\n\nfunction isPortraitOrientation(size) {\n  return size.width <= size.height;\n}\n\nconst WaitOnType = {\n  EVENT: \"event\",\n  TIMEOUT: \"timeout\",\n};\n\n/**\n * @typedef {Object} WaitOnEventOrTimeoutParameters\n * @property {Object} target - The event target, can for example be:\n *   `window`, `document`, a DOM element, or an {EventBus} instance.\n * @property {string} name - The name of the event.\n * @property {number} delay - The delay, in milliseconds, after which the\n *   timeout occurs (if the event wasn't already dispatched).\n */\n\n/**\n * Allows waiting for an event or a timeout, whichever occurs first.\n * Can be used to ensure that an action always occurs, even when an event\n * arrives late or not at all.\n *\n * @param {WaitOnEventOrTimeoutParameters}\n * @returns {Promise} A promise that is resolved with a {WaitOnType} value.\n */\nfunction waitOnEventOrTimeout({ target, name, delay = 0 }) {\n  return new Promise(function (resolve, reject) {\n    if (\n      typeof target !== \"object\" ||\n      !(name && typeof name === \"string\") ||\n      !(Number.isInteger(delay) && delay >= 0)\n    ) {\n      throw new Error(\"waitOnEventOrTimeout - invalid parameters.\");\n    }\n\n    function handler(type) {\n      if (target instanceof EventBus) {\n        target._off(name, eventHandler);\n      } else {\n        target.removeEventListener(name, eventHandler);\n      }\n\n      if (timeout) {\n        clearTimeout(timeout);\n      }\n      resolve(type);\n    }\n\n    const eventHandler = handler.bind(null, WaitOnType.EVENT);\n    if (target instanceof EventBus) {\n      target._on(name, eventHandler);\n    } else {\n      target.addEventListener(name, eventHandler);\n    }\n\n    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);\n    const timeout = setTimeout(timeoutHandler, delay);\n  });\n}\n\n/**\n * Promise that is resolved when DOM window becomes visible.\n */\nconst animationStarted = new Promise(function (resolve) {\n  if (\n    typeof PDFJSDev !== \"undefined\" &&\n    PDFJSDev.test(\"LIB && TESTING\") &&\n    typeof window === \"undefined\"\n  ) {\n    // Prevent \"ReferenceError: window is not defined\" errors when running the\n    // unit-tests in Node.js/Travis.\n    setTimeout(resolve, 20);\n    return;\n  }\n  window.requestAnimationFrame(resolve);\n});\n\n/**\n * NOTE: Only used to support various PDF viewer tests in `mozilla-central`.\n */\nfunction dispatchDOMEvent(eventName, args = null) {\n  if (typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"MOZCENTRAL\")) {\n    throw new Error(\"Not implemented: dispatchDOMEvent\");\n  }\n  const details = Object.create(null);\n  if (args && args.length > 0) {\n    const obj = args[0];\n    for (const key in obj) {\n      const value = obj[key];\n      if (key === \"source\") {\n        if (value === window || value === document) {\n          return; // No need to re-dispatch (already) global events.\n        }\n        continue; // Ignore the `source` property.\n      }\n      details[key] = value;\n    }\n  }\n  const event = document.createEvent(\"CustomEvent\");\n  event.initCustomEvent(eventName, true, true, details);\n  document.dispatchEvent(event);\n}\n\n/**\n * Simple event bus for an application. Listeners are attached using the `on`\n * and `off` methods. To raise an event, the `dispatch` method shall be used.\n */\nclass EventBus {\n  constructor(options) {\n    this._listeners = Object.create(null);\n\n    if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) {\n      this._isInAutomation = (options && options.isInAutomation) === true;\n    }\n  }\n\n  /**\n   * @param {string} eventName\n   * @param {function} listener\n   */\n  on(eventName, listener) {\n    this._on(eventName, listener, { external: true });\n  }\n\n  /**\n   * @param {string} eventName\n   * @param {function} listener\n   */\n  off(eventName, listener) {\n    this._off(eventName, listener, { external: true });\n  }\n\n  dispatch(eventName) {\n    const eventListeners = this._listeners[eventName];\n    if (!eventListeners || eventListeners.length === 0) {\n      if (\n        (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) &&\n        this._isInAutomation\n      ) {\n        const args = Array.prototype.slice.call(arguments, 1);\n        dispatchDOMEvent(eventName, args);\n      }\n      return;\n    }\n    // Passing all arguments after the eventName to the listeners.\n    const args = Array.prototype.slice.call(arguments, 1);\n    let externalListeners;\n    // Making copy of the listeners array in case if it will be modified\n    // during dispatch.\n    eventListeners.slice(0).forEach(function ({ listener, external }) {\n      if (external) {\n        if (!externalListeners) {\n          externalListeners = [];\n        }\n        externalListeners.push(listener);\n        return;\n      }\n      listener.apply(null, args);\n    });\n    // Dispatch any \"external\" listeners *after* the internal ones, to give the\n    // viewer components time to handle events and update their state first.\n    if (externalListeners) {\n      externalListeners.forEach(function (listener) {\n        listener.apply(null, args);\n      });\n      externalListeners = null;\n    }\n    if (\n      (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")) &&\n      this._isInAutomation\n    ) {\n      dispatchDOMEvent(eventName, args);\n    }\n  }\n\n  /**\n   * @ignore\n   */\n  _on(eventName, listener, options = null) {\n    let eventListeners = this._listeners[eventName];\n    if (!eventListeners) {\n      this._listeners[eventName] = eventListeners = [];\n    }\n    eventListeners.push({\n      listener,\n      external: (options && options.external) === true,\n    });\n  }\n\n  /**\n   * @ignore\n   */\n  _off(eventName, listener, options = null) {\n    const eventListeners = this._listeners[eventName];\n    if (!eventListeners) {\n      return;\n    }\n    for (let i = 0, ii = eventListeners.length; i < ii; i++) {\n      if (eventListeners[i].listener === listener) {\n        eventListeners.splice(i, 1);\n        return;\n      }\n    }\n  }\n}\n\nfunction clamp(v, min, max) {\n  return Math.min(Math.max(v, min), max);\n}\n\nclass ProgressBar {\n  constructor(id, { height, width, units } = {}) {\n    this.visible = true;\n\n    // Fetch the sub-elements for later.\n    this.div = document.querySelector(id + \" .progress\");\n    // Get the loading bar element, so it can be resized to fit the viewer.\n    this.bar = this.div.parentNode;\n\n    // Get options, with sensible defaults.\n    this.height = height || 100;\n    this.width = width || 100;\n    this.units = units || \"%\";\n\n    // Initialize heights.\n    this.div.style.height = this.height + this.units;\n    this.percent = 0;\n  }\n\n  _updateBar() {\n    if (this._indeterminate) {\n      this.div.classList.add(\"indeterminate\");\n      this.div.style.width = this.width + this.units;\n      return;\n    }\n\n    this.div.classList.remove(\"indeterminate\");\n    const progressSize = (this.width * this._percent) / 100;\n    this.div.style.width = progressSize + this.units;\n  }\n\n  get percent() {\n    return this._percent;\n  }\n\n  set percent(val) {\n    this._indeterminate = isNaN(val);\n    this._percent = clamp(val, 0, 100);\n    this._updateBar();\n  }\n\n  setWidth(viewer) {\n    if (!viewer) {\n      return;\n    }\n    const container = viewer.parentNode;\n    const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;\n    if (scrollbarWidth > 0) {\n      this.bar.style.width = `calc(100% - ${scrollbarWidth}px)`;\n    }\n  }\n\n  hide() {\n    if (!this.visible) {\n      return;\n    }\n    this.visible = false;\n    this.bar.classList.add(\"hidden\");\n    document.body.classList.remove(\"loadingInProgress\");\n  }\n\n  show() {\n    if (this.visible) {\n      return;\n    }\n    this.visible = true;\n    document.body.classList.add(\"loadingInProgress\");\n    this.bar.classList.remove(\"hidden\");\n  }\n}\n\n/**\n * Moves all elements of an array that satisfy condition to the end of the\n * array, preserving the order of the rest.\n */\nfunction moveToEndOfArray(arr, condition) {\n  const moved = [],\n    len = arr.length;\n  let write = 0;\n  for (let read = 0; read < len; ++read) {\n    if (condition(arr[read])) {\n      moved.push(arr[read]);\n    } else {\n      arr[write] = arr[read];\n      ++write;\n    }\n  }\n  for (let read = 0; write < len; ++read, ++write) {\n    arr[write] = moved[read];\n  }\n}\n\nexport {\n  AutoPrintRegExp,\n  CSS_UNITS,\n  DEFAULT_SCALE_VALUE,\n  DEFAULT_SCALE,\n  MIN_SCALE,\n  MAX_SCALE,\n  UNKNOWN_SCALE,\n  MAX_AUTO_SCALE,\n  SCROLLBAR_PADDING,\n  VERTICAL_PADDING,\n  isValidRotation,\n  isValidScrollMode,\n  isValidSpreadMode,\n  isPortraitOrientation,\n  PresentationModeState,\n  RendererType,\n  TextLayerMode,\n  ScrollMode,\n  SpreadMode,\n  NullL10n,\n  EventBus,\n  clamp,\n  ProgressBar,\n  getPDFFileNameFromURL,\n  noContextMenuHandler,\n  parseQueryString,\n  backtrackBeforeAllVisibleElements, // only exported for testing\n  getVisibleElements,\n  roundToDivide,\n  getPageSizeInches,\n  approximateFraction,\n  getOutputScale,\n  scrollIntoView,\n  watchScroll,\n  binarySearchFirstItem,\n  normalizeWheelEventDirection,\n  normalizeWheelEventDelta,\n  animationStarted,\n  WaitOnType,\n  waitOnEventOrTimeout,\n  moveToEndOfArray,\n};\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { parseQueryString } from \"./ui_utils.js\";\n\n/**\n * @typedef {Object} PDFLinkServiceOptions\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} [externalLinkTarget] - Specifies the `target` attribute\n *   for external links. Must use one of the values from {LinkTarget}.\n *   Defaults to using no target.\n * @property {string} [externalLinkRel] - Specifies the `rel` attribute for\n *   external links. Defaults to stripping the referrer.\n * @property {boolean} [ignoreDestinationZoom] - Ignores the zoom argument,\n *   thus preserving the current zoom level in the viewer, when navigating\n *   to internal destinations. The default value is `false`.\n */\n\n/**\n * Performs navigation functions inside PDF, such as opening specified page,\n * or destination.\n * @implements {IPDFLinkService}\n */\nclass PDFLinkService {\n  /**\n   * @param {PDFLinkServiceOptions} options\n   */\n  constructor({\n    eventBus,\n    externalLinkTarget = null,\n    externalLinkRel = null,\n    externalLinkEnabled = true,\n    ignoreDestinationZoom = false,\n  } = {}) {\n    this.eventBus = eventBus;\n    this.externalLinkTarget = externalLinkTarget;\n    this.externalLinkRel = externalLinkRel;\n    this.externalLinkEnabled = externalLinkEnabled;\n    this._ignoreDestinationZoom = ignoreDestinationZoom;\n\n    this.baseUrl = null;\n    this.pdfDocument = null;\n    this.pdfViewer = null;\n    this.pdfHistory = null;\n\n    this._pagesRefCache = null;\n  }\n\n  setDocument(pdfDocument, baseUrl = null) {\n    this.baseUrl = baseUrl;\n    this.pdfDocument = pdfDocument;\n    this._pagesRefCache = Object.create(null);\n  }\n\n  setViewer(pdfViewer) {\n    this.pdfViewer = pdfViewer;\n  }\n\n  setHistory(pdfHistory) {\n    this.pdfHistory = pdfHistory;\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesCount() {\n    return this.pdfDocument ? this.pdfDocument.numPages : 0;\n  }\n\n  /**\n   * @type {number}\n   */\n  get page() {\n    return this.pdfViewer.currentPageNumber;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set page(value) {\n    this.pdfViewer.currentPageNumber = value;\n  }\n\n  /**\n   * @type {number}\n   */\n  get rotation() {\n    return this.pdfViewer.pagesRotation;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set rotation(value) {\n    this.pdfViewer.pagesRotation = value;\n  }\n\n  /**\n   * @param {string|Array} dest - The named, or explicit, PDF destination.\n   */\n  navigateTo(dest) {\n    const goToDestination = ({ namedDest, explicitDest }) => {\n      // Dest array looks like that: <page-ref> </XYZ|/FitXXX> <args..>\n      const destRef = explicitDest[0];\n      let pageNumber;\n\n      if (destRef instanceof Object) {\n        pageNumber = this._cachedPageNumber(destRef);\n\n        if (pageNumber === null) {\n          // Fetch the page reference if it's not yet available. This could\n          // only occur during loading, before all pages have been resolved.\n          this.pdfDocument\n            .getPageIndex(destRef)\n            .then(pageIndex => {\n              this.cachePageRef(pageIndex + 1, destRef);\n              goToDestination({ namedDest, explicitDest });\n            })\n            .catch(() => {\n              console.error(\n                `PDFLinkService.navigateTo: \"${destRef}\" is not ` +\n                  `a valid page reference, for dest=\"${dest}\".`\n              );\n            });\n          return;\n        }\n      } else if (Number.isInteger(destRef)) {\n        pageNumber = destRef + 1;\n      } else {\n        console.error(\n          `PDFLinkService.navigateTo: \"${destRef}\" is not ` +\n            `a valid destination reference, for dest=\"${dest}\".`\n        );\n        return;\n      }\n      if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {\n        console.error(\n          `PDFLinkService.navigateTo: \"${pageNumber}\" is not ` +\n            `a valid page number, for dest=\"${dest}\".`\n        );\n        return;\n      }\n\n      if (this.pdfHistory) {\n        // Update the browser history before scrolling the new destination into\n        // view, to be able to accurately capture the current document position.\n        this.pdfHistory.pushCurrentPosition();\n        this.pdfHistory.push({ namedDest, explicitDest, pageNumber });\n      }\n\n      this.pdfViewer.scrollPageIntoView({\n        pageNumber,\n        destArray: explicitDest,\n        ignoreDestinationZoom: this._ignoreDestinationZoom,\n      });\n    };\n\n    new Promise((resolve, reject) => {\n      if (typeof dest === \"string\") {\n        this.pdfDocument.getDestination(dest).then(destArray => {\n          resolve({\n            namedDest: dest,\n            explicitDest: destArray,\n          });\n        });\n        return;\n      }\n      resolve({\n        namedDest: \"\",\n        explicitDest: dest,\n      });\n    }).then(data => {\n      if (!Array.isArray(data.explicitDest)) {\n        console.error(\n          `PDFLinkService.navigateTo: \"${data.explicitDest}\" is` +\n            ` not a valid destination array, for dest=\"${dest}\".`\n        );\n        return;\n      }\n      goToDestination(data);\n    });\n  }\n\n  /**\n   * @param {string|Array} dest - The PDF destination object.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getDestinationHash(dest) {\n    if (typeof dest === \"string\") {\n      return this.getAnchorUrl(\"#\" + escape(dest));\n    }\n    if (Array.isArray(dest)) {\n      const str = JSON.stringify(dest);\n      return this.getAnchorUrl(\"#\" + escape(str));\n    }\n    return this.getAnchorUrl(\"\");\n  }\n\n  /**\n   * Prefix the full url on anchor links to make sure that links are resolved\n   * relative to the current URL instead of the one defined in <base href>.\n   * @param {string} anchor The anchor hash, including the #.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getAnchorUrl(anchor) {\n    return (this.baseUrl || \"\") + anchor;\n  }\n\n  /**\n   * @param {string} hash\n   */\n  setHash(hash) {\n    let pageNumber, dest;\n    if (hash.includes(\"=\")) {\n      const params = parseQueryString(hash);\n      if (\"search\" in params) {\n        this.eventBus.dispatch(\"findfromurlhash\", {\n          source: this,\n          query: params.search.replace(/\"/g, \"\"),\n          phraseSearch: params.phrase === \"true\",\n        });\n      }\n      // borrowing syntax from \"Parameters for Opening PDF Files\"\n      if (\"page\" in params) {\n        pageNumber = params.page | 0 || 1;\n      }\n      if (\"zoom\" in params) {\n        // Build the destination array.\n        const zoomArgs = params.zoom.split(\",\"); // scale,left,top\n        const zoomArg = zoomArgs[0];\n        const zoomArgNumber = parseFloat(zoomArg);\n\n        if (!zoomArg.includes(\"Fit\")) {\n          // If the zoomArg is a number, it has to get divided by 100. If it's\n          // a string, it should stay as it is.\n          dest = [\n            null,\n            { name: \"XYZ\" },\n            zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n            zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,\n            zoomArgNumber ? zoomArgNumber / 100 : zoomArg,\n          ];\n        } else {\n          if (zoomArg === \"Fit\" || zoomArg === \"FitB\") {\n            dest = [null, { name: zoomArg }];\n          } else if (\n            zoomArg === \"FitH\" ||\n            zoomArg === \"FitBH\" ||\n            zoomArg === \"FitV\" ||\n            zoomArg === \"FitBV\"\n          ) {\n            dest = [\n              null,\n              { name: zoomArg },\n              zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n            ];\n          } else if (zoomArg === \"FitR\") {\n            if (zoomArgs.length !== 5) {\n              console.error(\n                'PDFLinkService.setHash: Not enough parameters for \"FitR\".'\n              );\n            } else {\n              dest = [\n                null,\n                { name: zoomArg },\n                zoomArgs[1] | 0,\n                zoomArgs[2] | 0,\n                zoomArgs[3] | 0,\n                zoomArgs[4] | 0,\n              ];\n            }\n          } else {\n            console.error(\n              `PDFLinkService.setHash: \"${zoomArg}\" is not ` +\n                \"a valid zoom value.\"\n            );\n          }\n        }\n      }\n      if (dest) {\n        this.pdfViewer.scrollPageIntoView({\n          pageNumber: pageNumber || this.page,\n          destArray: dest,\n          allowNegativeOffset: true,\n        });\n      } else if (pageNumber) {\n        this.page = pageNumber; // simple page\n      }\n      if (\"pagemode\" in params) {\n        this.eventBus.dispatch(\"pagemode\", {\n          source: this,\n          mode: params.pagemode,\n        });\n      }\n      // Ensure that this parameter is *always* handled last, in order to\n      // guarantee that it won't be overridden (e.g. by the \"page\" parameter).\n      if (\"nameddest\" in params) {\n        this.navigateTo(params.nameddest);\n      }\n    } else {\n      // Named (or explicit) destination.\n      dest = unescape(hash);\n      try {\n        dest = JSON.parse(dest);\n\n        if (!Array.isArray(dest)) {\n          // Avoid incorrectly rejecting a valid named destination, such as\n          // e.g. \"4.3\" or \"true\", because `JSON.parse` converted its type.\n          dest = dest.toString();\n        }\n      } catch (ex) {}\n\n      if (typeof dest === \"string\" || isValidExplicitDestination(dest)) {\n        this.navigateTo(dest);\n        return;\n      }\n      console.error(\n        `PDFLinkService.setHash: \"${unescape(hash)}\" is not ` +\n          \"a valid destination.\"\n      );\n    }\n  }\n\n  /**\n   * @param {string} action\n   */\n  executeNamedAction(action) {\n    // See PDF reference, table 8.45 - Named action\n    switch (action) {\n      case \"GoBack\":\n        if (this.pdfHistory) {\n          this.pdfHistory.back();\n        }\n        break;\n\n      case \"GoForward\":\n        if (this.pdfHistory) {\n          this.pdfHistory.forward();\n        }\n        break;\n\n      case \"NextPage\":\n        if (this.page < this.pagesCount) {\n          this.page++;\n        }\n        break;\n\n      case \"PrevPage\":\n        if (this.page > 1) {\n          this.page--;\n        }\n        break;\n\n      case \"LastPage\":\n        this.page = this.pagesCount;\n        break;\n\n      case \"FirstPage\":\n        this.page = 1;\n        break;\n\n      default:\n        break; // No action according to spec\n    }\n\n    this.eventBus.dispatch(\"namedaction\", {\n      source: this,\n      action,\n    });\n  }\n\n  /**\n   * @param {number} pageNum - page number.\n   * @param {Object} pageRef - reference to the page.\n   */\n  cachePageRef(pageNum, pageRef) {\n    if (!pageRef) {\n      return;\n    }\n    const refStr =\n      pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;\n    this._pagesRefCache[refStr] = pageNum;\n  }\n\n  _cachedPageNumber(pageRef) {\n    const refStr =\n      pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;\n    return (this._pagesRefCache && this._pagesRefCache[refStr]) || null;\n  }\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    return this.pdfViewer.isPageVisible(pageNumber);\n  }\n}\n\nfunction isValidExplicitDestination(dest) {\n  if (!Array.isArray(dest)) {\n    return false;\n  }\n  const destLength = dest.length;\n  if (destLength < 2) {\n    return false;\n  }\n  const page = dest[0];\n  if (\n    !(\n      typeof page === \"object\" &&\n      Number.isInteger(page.num) &&\n      Number.isInteger(page.gen)\n    ) &&\n    !(Number.isInteger(page) && page >= 0)\n  ) {\n    return false;\n  }\n  const zoom = dest[1];\n  if (!(typeof zoom === \"object\" && typeof zoom.name === \"string\")) {\n    return false;\n  }\n  let allowNull = true;\n  switch (zoom.name) {\n    case \"XYZ\":\n      if (destLength !== 5) {\n        return false;\n      }\n      break;\n    case \"Fit\":\n    case \"FitB\":\n      return destLength === 2;\n    case \"FitH\":\n    case \"FitBH\":\n    case \"FitV\":\n    case \"FitBV\":\n      if (destLength !== 3) {\n        return false;\n      }\n      break;\n    case \"FitR\":\n      if (destLength !== 6) {\n        return false;\n      }\n      allowNull = false;\n      break;\n    default:\n      return false;\n  }\n  for (let i = 2; i < destLength; i++) {\n    const param = dest[i];\n    if (!(typeof param === \"number\" || (allowNull && param === null))) {\n      return false;\n    }\n  }\n  return true;\n}\n\n/**\n * @implements {IPDFLinkService}\n */\nclass SimpleLinkService {\n  constructor() {\n    this.externalLinkTarget = null;\n    this.externalLinkRel = null;\n    this.externalLinkEnabled = true;\n    this._ignoreDestinationZoom = false;\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesCount() {\n    return 0;\n  }\n\n  /**\n   * @type {number}\n   */\n  get page() {\n    return 0;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set page(value) {}\n\n  /**\n   * @type {number}\n   */\n  get rotation() {\n    return 0;\n  }\n\n  /**\n   * @param {number} value\n   */\n  set rotation(value) {}\n\n  /**\n   * @param dest - The PDF destination object.\n   */\n  navigateTo(dest) {}\n\n  /**\n   * @param dest - The PDF destination object.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getDestinationHash(dest) {\n    return \"#\";\n  }\n\n  /**\n   * @param hash - The PDF parameters/hash.\n   * @returns {string} The hyperlink to the PDF object.\n   */\n  getAnchorUrl(hash) {\n    return \"#\";\n  }\n\n  /**\n   * @param {string} hash\n   */\n  setHash(hash) {}\n\n  /**\n   * @param {string} action\n   */\n  executeNamedAction(action) {}\n\n  /**\n   * @param {number} pageNum - page number.\n   * @param {Object} pageRef - reference to the page.\n   */\n  cachePageRef(pageNum, pageRef) {}\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    return true;\n  }\n}\n\nexport { PDFLinkService, SimpleLinkService };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { renderTextLayer } from \"pdfjs-lib\";\n\nconst EXPAND_DIVS_TIMEOUT = 300; // ms\n\n/**\n * @typedef {Object} TextLayerBuilderOptions\n * @property {HTMLDivElement} textLayerDiv - The text layer container.\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} pageIndex - The page index.\n * @property {PageViewport} viewport - The viewport of the text layer.\n * @property {PDFFindController} findController\n * @property {boolean} enhanceTextSelection - Option to turn on improved\n *   text selection.\n */\n\n/**\n * The text layer builder provides text selection functionality for the PDF.\n * It does this by creating overlay divs over the PDF's text. These divs\n * contain text that matches the PDF text they are overlaying. This object\n * also provides a way to highlight text that is being searched for.\n */\nclass TextLayerBuilder {\n  constructor({\n    textLayerDiv,\n    eventBus,\n    pageIndex,\n    viewport,\n    findController = null,\n    enhanceTextSelection = false,\n  }) {\n    this.textLayerDiv = textLayerDiv;\n    this.eventBus = eventBus;\n    this.textContent = null;\n    this.textContentItemsStr = [];\n    this.textContentStream = null;\n    this.renderingDone = false;\n    this.pageIdx = pageIndex;\n    this.pageNumber = this.pageIdx + 1;\n    this.matches = [];\n    this.viewport = viewport;\n    this.textDivs = [];\n    this.findController = findController;\n    this.textLayerRenderTask = null;\n    this.enhanceTextSelection = enhanceTextSelection;\n\n    this._onUpdateTextLayerMatches = null;\n    this._bindMouse();\n  }\n\n  /**\n   * @private\n   */\n  _finishRendering() {\n    this.renderingDone = true;\n\n    if (!this.enhanceTextSelection) {\n      const endOfContent = document.createElement(\"div\");\n      endOfContent.className = \"endOfContent\";\n      this.textLayerDiv.appendChild(endOfContent);\n    }\n\n    this.eventBus.dispatch(\"textlayerrendered\", {\n      source: this,\n      pageNumber: this.pageNumber,\n      numTextDivs: this.textDivs.length,\n    });\n  }\n\n  /**\n   * Renders the text layer.\n   *\n   * @param {number} [timeout] - Wait for a specified amount of milliseconds\n   *                             before rendering.\n   */\n  render(timeout = 0) {\n    if (!(this.textContent || this.textContentStream) || this.renderingDone) {\n      return;\n    }\n    this.cancel();\n\n    this.textDivs = [];\n    const textLayerFrag = document.createDocumentFragment();\n    this.textLayerRenderTask = renderTextLayer({\n      textContent: this.textContent,\n      textContentStream: this.textContentStream,\n      container: textLayerFrag,\n      viewport: this.viewport,\n      textDivs: this.textDivs,\n      textContentItemsStr: this.textContentItemsStr,\n      timeout,\n      enhanceTextSelection: this.enhanceTextSelection,\n    });\n    this.textLayerRenderTask.promise.then(\n      () => {\n        this.textLayerDiv.appendChild(textLayerFrag);\n        this._finishRendering();\n        this._updateMatches();\n      },\n      function (reason) {\n        // Cancelled or failed to render text layer; skipping errors.\n      }\n    );\n\n    if (!this._onUpdateTextLayerMatches) {\n      this._onUpdateTextLayerMatches = evt => {\n        if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {\n          this._updateMatches();\n        }\n      };\n      this.eventBus._on(\n        \"updatetextlayermatches\",\n        this._onUpdateTextLayerMatches\n      );\n    }\n  }\n\n  /**\n   * Cancel rendering of the text layer.\n   */\n  cancel() {\n    if (this.textLayerRenderTask) {\n      this.textLayerRenderTask.cancel();\n      this.textLayerRenderTask = null;\n    }\n    if (this._onUpdateTextLayerMatches) {\n      this.eventBus._off(\n        \"updatetextlayermatches\",\n        this._onUpdateTextLayerMatches\n      );\n      this._onUpdateTextLayerMatches = null;\n    }\n  }\n\n  setTextContentStream(readableStream) {\n    this.cancel();\n    this.textContentStream = readableStream;\n  }\n\n  setTextContent(textContent) {\n    this.cancel();\n    this.textContent = textContent;\n  }\n\n  _convertMatches(matches, matchesLength) {\n    // Early exit if there is nothing to convert.\n    if (!matches) {\n      return [];\n    }\n    const { findController, textContentItemsStr } = this;\n\n    let i = 0,\n      iIndex = 0;\n    const end = textContentItemsStr.length - 1;\n    const queryLen = findController.state.query.length;\n    const result = [];\n\n    for (let m = 0, mm = matches.length; m < mm; m++) {\n      // Calculate the start position.\n      let matchIdx = matches[m];\n\n      // Loop over the divIdxs.\n      while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {\n        iIndex += textContentItemsStr[i].length;\n        i++;\n      }\n\n      if (i === textContentItemsStr.length) {\n        console.error(\"Could not find a matching mapping\");\n      }\n\n      const match = {\n        begin: {\n          divIdx: i,\n          offset: matchIdx - iIndex,\n        },\n      };\n\n      // Calculate the end position.\n      if (matchesLength) {\n        // Multiterm search.\n        matchIdx += matchesLength[m];\n      } else {\n        // Phrase search.\n        matchIdx += queryLen;\n      }\n\n      // Somewhat the same array as above, but use > instead of >= to get\n      // the end position right.\n      while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {\n        iIndex += textContentItemsStr[i].length;\n        i++;\n      }\n\n      match.end = {\n        divIdx: i,\n        offset: matchIdx - iIndex,\n      };\n      result.push(match);\n    }\n    return result;\n  }\n\n  _renderMatches(matches) {\n    // Early exit if there is nothing to render.\n    if (matches.length === 0) {\n      return;\n    }\n    const { findController, pageIdx, textContentItemsStr, textDivs } = this;\n\n    const isSelectedPage = pageIdx === findController.selected.pageIdx;\n    const selectedMatchIdx = findController.selected.matchIdx;\n    const highlightAll = findController.state.highlightAll;\n    let prevEnd = null;\n    const infinity = {\n      divIdx: -1,\n      offset: undefined,\n    };\n\n    function beginText(begin, className) {\n      const divIdx = begin.divIdx;\n      textDivs[divIdx].textContent = \"\";\n      appendTextToDiv(divIdx, 0, begin.offset, className);\n    }\n\n    function appendTextToDiv(divIdx, fromOffset, toOffset, className) {\n      const div = textDivs[divIdx];\n      const content = textContentItemsStr[divIdx].substring(\n        fromOffset,\n        toOffset\n      );\n      const node = document.createTextNode(content);\n      if (className) {\n        const span = document.createElement(\"span\");\n        span.className = className;\n        span.appendChild(node);\n        div.appendChild(span);\n        return;\n      }\n      div.appendChild(node);\n    }\n\n    let i0 = selectedMatchIdx,\n      i1 = i0 + 1;\n    if (highlightAll) {\n      i0 = 0;\n      i1 = matches.length;\n    } else if (!isSelectedPage) {\n      // Not highlighting all and this isn't the selected page, so do nothing.\n      return;\n    }\n\n    for (let i = i0; i < i1; i++) {\n      const match = matches[i];\n      const begin = match.begin;\n      const end = match.end;\n      const isSelected = isSelectedPage && i === selectedMatchIdx;\n      const highlightSuffix = isSelected ? \" selected\" : \"\";\n\n      if (isSelected) {\n        // Attempt to scroll the selected match into view.\n        findController.scrollMatchIntoView({\n          element: textDivs[begin.divIdx],\n          pageIndex: pageIdx,\n          matchIndex: selectedMatchIdx,\n        });\n      }\n\n      // Match inside new div.\n      if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {\n        // If there was a previous div, then add the text at the end.\n        if (prevEnd !== null) {\n          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n        }\n        // Clear the divs and set the content until the starting point.\n        beginText(begin);\n      } else {\n        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);\n      }\n\n      if (begin.divIdx === end.divIdx) {\n        appendTextToDiv(\n          begin.divIdx,\n          begin.offset,\n          end.offset,\n          \"highlight\" + highlightSuffix\n        );\n      } else {\n        appendTextToDiv(\n          begin.divIdx,\n          begin.offset,\n          infinity.offset,\n          \"highlight begin\" + highlightSuffix\n        );\n        for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {\n          textDivs[n0].className = \"highlight middle\" + highlightSuffix;\n        }\n        beginText(end, \"highlight end\" + highlightSuffix);\n      }\n      prevEnd = end;\n    }\n\n    if (prevEnd) {\n      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n    }\n  }\n\n  _updateMatches() {\n    // Only show matches when all rendering is done.\n    if (!this.renderingDone) {\n      return;\n    }\n    const {\n      findController,\n      matches,\n      pageIdx,\n      textContentItemsStr,\n      textDivs,\n    } = this;\n    let clearedUntilDivIdx = -1;\n\n    // Clear all current matches.\n    for (let i = 0, ii = matches.length; i < ii; i++) {\n      const match = matches[i];\n      const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);\n      for (let n = begin, end = match.end.divIdx; n <= end; n++) {\n        const div = textDivs[n];\n        div.textContent = textContentItemsStr[n];\n        div.className = \"\";\n      }\n      clearedUntilDivIdx = match.end.divIdx + 1;\n    }\n\n    if (!findController || !findController.highlightMatches) {\n      return;\n    }\n    // Convert the matches on the `findController` into the match format\n    // used for the textLayer.\n    const pageMatches = findController.pageMatches[pageIdx] || null;\n    const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;\n\n    this.matches = this._convertMatches(pageMatches, pageMatchesLength);\n    this._renderMatches(this.matches);\n  }\n\n  /**\n   * Improves text selection by adding an additional div where the mouse was\n   * clicked. This reduces flickering of the content if the mouse is slowly\n   * dragged up or down.\n   *\n   * @private\n   */\n  _bindMouse() {\n    const div = this.textLayerDiv;\n    let expandDivsTimer = null;\n\n    div.addEventListener(\"mousedown\", evt => {\n      if (this.enhanceTextSelection && this.textLayerRenderTask) {\n        this.textLayerRenderTask.expandTextDivs(true);\n        if (\n          (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) &&\n          expandDivsTimer\n        ) {\n          clearTimeout(expandDivsTimer);\n          expandDivsTimer = null;\n        }\n        return;\n      }\n\n      const end = div.querySelector(\".endOfContent\");\n      if (!end) {\n        return;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n        // On non-Firefox browsers, the selection will feel better if the height\n        // of the `endOfContent` div is adjusted to start at mouse click\n        // location. This avoids flickering when the selection moves up.\n        // However it does not work when selection is started on empty space.\n        let adjustTop = evt.target !== div;\n        if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n          adjustTop =\n            adjustTop &&\n            window\n              .getComputedStyle(end)\n              .getPropertyValue(\"-moz-user-select\") !== \"none\";\n        }\n        if (adjustTop) {\n          const divBounds = div.getBoundingClientRect();\n          const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);\n          end.style.top = (r * 100).toFixed(2) + \"%\";\n        }\n      }\n      end.classList.add(\"active\");\n    });\n\n    div.addEventListener(\"mouseup\", () => {\n      if (this.enhanceTextSelection && this.textLayerRenderTask) {\n        if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n          expandDivsTimer = setTimeout(() => {\n            if (this.textLayerRenderTask) {\n              this.textLayerRenderTask.expandTextDivs(false);\n            }\n            expandDivsTimer = null;\n          }, EXPAND_DIVS_TIMEOUT);\n        } else {\n          this.textLayerRenderTask.expandTextDivs(false);\n        }\n        return;\n      }\n\n      const end = div.querySelector(\".endOfContent\");\n      if (!end) {\n        return;\n      }\n      if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n        end.style.top = \"\";\n      }\n      end.classList.remove(\"active\");\n    });\n  }\n}\n\n/**\n * @implements IPDFTextLayerFactory\n */\nclass DefaultTextLayerFactory {\n  /**\n   * @param {HTMLDivElement} textLayerDiv\n   * @param {number} pageIndex\n   * @param {PageViewport} viewport\n   * @param {boolean} enhanceTextSelection\n   * @param {EventBus} eventBus\n   * @returns {TextLayerBuilder}\n   */\n  createTextLayerBuilder(\n    textLayerDiv,\n    pageIndex,\n    viewport,\n    enhanceTextSelection = false,\n    eventBus\n  ) {\n    return new TextLayerBuilder({\n      textLayerDiv,\n      pageIndex,\n      viewport,\n      enhanceTextSelection,\n      eventBus,\n    });\n  }\n}\n\nexport { TextLayerBuilder, DefaultTextLayerFactory };\n","/* Copyright 2013 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createObjectURL, createValidAbsoluteUrl } from \"pdfjs-lib\";\nimport { viewerCompatibilityParams } from \"./viewer_compatibility.js\";\n\nif (typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"CHROME || GENERIC\")) {\n  throw new Error(\n    'Module \"pdfjs-web/download_manager\" shall not be used ' +\n      \"outside CHROME and GENERIC builds.\"\n  );\n}\n\nfunction download(blobUrl, filename) {\n  const a = document.createElement(\"a\");\n  if (!a.click) {\n    throw new Error('DownloadManager: \"a.click()\" is not supported.');\n  }\n  a.href = blobUrl;\n  a.target = \"_parent\";\n  // Use a.download if available. This increases the likelihood that\n  // the file is downloaded instead of opened by another PDF plugin.\n  if (\"download\" in a) {\n    a.download = filename;\n  }\n  // <a> must be in the document for IE and recent Firefox versions,\n  // otherwise .click() is ignored.\n  (document.body || document.documentElement).appendChild(a);\n  a.click();\n  a.remove();\n}\n\nclass DownloadManager {\n  downloadUrl(url, filename) {\n    if (!createValidAbsoluteUrl(url, \"http://example.com\")) {\n      return; // restricted/invalid URL\n    }\n    download(url + \"#pdfjs.action=download\", filename);\n  }\n\n  downloadData(data, filename, contentType) {\n    if (navigator.msSaveBlob) {\n      // IE10 and above\n      navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);\n      return;\n    }\n    const blobUrl = createObjectURL(\n      data,\n      contentType,\n      viewerCompatibilityParams.disableCreateObjectURL\n    );\n    download(blobUrl, filename);\n  }\n\n  /**\n   * @param sourceEventType {string} Used to signal what triggered the download.\n   *   The version of PDF.js integrated with Firefox uses this to to determine\n   *   which dialog to show. \"save\" triggers \"save as\" and \"download\" triggers\n   *   the \"open with\" dialog.\n   */\n  download(blob, url, filename, sourceEventType = \"download\") {\n    if (navigator.msSaveBlob) {\n      // IE10 / IE11\n      if (!navigator.msSaveBlob(blob, filename)) {\n        this.downloadUrl(url, filename);\n      }\n      return;\n    }\n\n    if (viewerCompatibilityParams.disableCreateObjectURL) {\n      // URL.createObjectURL is not supported\n      this.downloadUrl(url, filename);\n      return;\n    }\n\n    const blobUrl = URL.createObjectURL(blob);\n    download(blobUrl, filename);\n  }\n}\n\nexport { DownloadManager };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst compatibilityParams = Object.create(null);\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n  const userAgent =\n    (typeof navigator !== \"undefined\" && navigator.userAgent) || \"\";\n  const platform =\n    (typeof navigator !== \"undefined\" && navigator.platform) || \"\";\n  const maxTouchPoints =\n    (typeof navigator !== \"undefined\" && navigator.maxTouchPoints) || 1;\n\n  const isAndroid = /Android/.test(userAgent);\n  const isIE = /Trident/.test(userAgent);\n  const isIOS =\n    /\\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||\n    (platform === \"MacIntel\" && maxTouchPoints > 1);\n  const isIOSChrome = /CriOS/.test(userAgent);\n\n  // Checks if possible to use URL.createObjectURL()\n  // Support: IE, Chrome on iOS\n  (function checkOnBlobSupport() {\n    // Sometimes IE and Chrome on iOS losing the data created with\n    // createObjectURL(), see issues #3977 and #8081.\n    if (isIE || isIOSChrome) {\n      compatibilityParams.disableCreateObjectURL = true;\n    }\n  })();\n\n  // Limit canvas size to 5 mega-pixels on mobile.\n  // Support: Android, iOS\n  (function checkCanvasSizeLimitation() {\n    if (isIOS || isAndroid) {\n      compatibilityParams.maxCanvasPixels = 5242880;\n    }\n  })();\n}\nconst viewerCompatibilityParams = Object.freeze(compatibilityParams);\n\nexport { viewerCompatibilityParams };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport \"../external/webL10n/l10n.js\";\n\nconst webL10n = document.webL10n;\n\nclass GenericL10n {\n  constructor(lang) {\n    this._lang = lang;\n    this._ready = new Promise((resolve, reject) => {\n      webL10n.setLanguage(lang, () => {\n        resolve(webL10n);\n      });\n    });\n  }\n\n  async getLanguage() {\n    const l10n = await this._ready;\n    return l10n.getLanguage();\n  }\n\n  async getDirection() {\n    const l10n = await this._ready;\n    return l10n.getDirection();\n  }\n\n  async get(property, args, fallback) {\n    const l10n = await this._ready;\n    return l10n.get(property, args, fallback);\n  }\n\n  async translate(element) {\n    const l10n = await this._ready;\n    return l10n.translate(element);\n  }\n}\n\nexport { GenericL10n };\n","/**\n * Copyright (c) 2011-2013 Fabien Cazenave, Mozilla.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n/*\n  Additional modifications for PDF.js project:\n    - Disables language initialization on page loading.\n    - Disables document translation on page loading.\n    - Removes consoleWarn and consoleLog and use console.log/warn directly.\n    - Removes window._ assignment.\n    - Remove compatibility code for OldIE.\n    - Replaces `String.prototype.substr()` with `String.prototype.substring()`.\n    - Removes `fireL10nReadyEvent` since the \"localized\" event it dispatches\n      is unused and may clash with an identically named event in the viewer.\n*/\n\n/*jshint browser: true, devel: true, es5: true, globalstrict: true */\n'use strict';\n\ndocument.webL10n = (function(window, document, undefined) {\n  var gL10nData = {};\n  var gTextData = '';\n  var gTextProp = 'textContent';\n  var gLanguage = '';\n  var gMacros = {};\n  var gReadyState = 'loading';\n\n\n  /**\n   * Synchronously loading l10n resources significantly minimizes flickering\n   * from displaying the app with non-localized strings and then updating the\n   * strings. Although this will block all script execution on this page, we\n   * expect that the l10n resources are available locally on flash-storage.\n   *\n   * As synchronous XHR is generally considered as a bad idea, we're still\n   * loading l10n resources asynchronously -- but we keep this in a setting,\n   * just in case... and applications using this library should hide their\n   * content until the `localized' event happens.\n   */\n\n  var gAsyncResourceLoading = true; // read-only\n\n\n  /**\n   * DOM helpers for the so-called \"HTML API\".\n   *\n   * These functions are written for modern browsers. For old versions of IE,\n   * they're overridden in the 'startup' section at the end of this file.\n   */\n\n  function getL10nResourceLinks() {\n    return document.querySelectorAll('link[type=\"application/l10n\"]');\n  }\n\n  function getL10nDictionary() {\n    var script = document.querySelector('script[type=\"application/l10n\"]');\n    // TODO: support multiple and external JSON dictionaries\n    return script ? JSON.parse(script.innerHTML) : null;\n  }\n\n  function getTranslatableChildren(element) {\n    return element ? element.querySelectorAll('*[data-l10n-id]') : [];\n  }\n\n  function getL10nAttributes(element) {\n    if (!element)\n      return {};\n\n    var l10nId = element.getAttribute('data-l10n-id');\n    var l10nArgs = element.getAttribute('data-l10n-args');\n    var args = {};\n    if (l10nArgs) {\n      try {\n        args = JSON.parse(l10nArgs);\n      } catch (e) {\n        console.warn('could not parse arguments for #' + l10nId);\n      }\n    }\n    return { id: l10nId, args: args };\n  }\n\n  function xhrLoadText(url, onSuccess, onFailure) {\n    onSuccess = onSuccess || function _onSuccess(data) {};\n    onFailure = onFailure || function _onFailure() {};\n\n    var xhr = new XMLHttpRequest();\n    xhr.open('GET', url, gAsyncResourceLoading);\n    if (xhr.overrideMimeType) {\n      xhr.overrideMimeType('text/plain; charset=utf-8');\n    }\n    xhr.onreadystatechange = function() {\n      if (xhr.readyState == 4) {\n        if (xhr.status == 200 || xhr.status === 0) {\n          onSuccess(xhr.responseText);\n        } else {\n          onFailure();\n        }\n      }\n    };\n    xhr.onerror = onFailure;\n    xhr.ontimeout = onFailure;\n\n    // in Firefox OS with the app:// protocol, trying to XHR a non-existing\n    // URL will raise an exception here -- hence this ugly try...catch.\n    try {\n      xhr.send(null);\n    } catch (e) {\n      onFailure();\n    }\n  }\n\n\n  /**\n   * l10n resource parser:\n   *  - reads (async XHR) the l10n resource matching `lang';\n   *  - imports linked resources (synchronously) when specified;\n   *  - parses the text data (fills `gL10nData' and `gTextData');\n   *  - triggers success/failure callbacks when done.\n   *\n   * @param {string} href\n   *    URL of the l10n resource to parse.\n   *\n   * @param {string} lang\n   *    locale (language) to parse. Must be a lowercase string.\n   *\n   * @param {Function} successCallback\n   *    triggered when the l10n resource has been successfully parsed.\n   *\n   * @param {Function} failureCallback\n   *    triggered when the an error has occurred.\n   *\n   * @return {void}\n   *    uses the following global variables: gL10nData, gTextData, gTextProp.\n   */\n\n  function parseResource(href, lang, successCallback, failureCallback) {\n    var baseURL = href.replace(/[^\\/]*$/, '') || './';\n\n    // handle escaped characters (backslashes) in a string\n    function evalString(text) {\n      if (text.lastIndexOf('\\\\') < 0)\n        return text;\n      return text.replace(/\\\\\\\\/g, '\\\\')\n                 .replace(/\\\\n/g, '\\n')\n                 .replace(/\\\\r/g, '\\r')\n                 .replace(/\\\\t/g, '\\t')\n                 .replace(/\\\\b/g, '\\b')\n                 .replace(/\\\\f/g, '\\f')\n                 .replace(/\\\\{/g, '{')\n                 .replace(/\\\\}/g, '}')\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/\\\\'/g, \"'\");\n    }\n\n    // parse *.properties text data into an l10n dictionary\n    // If gAsyncResourceLoading is false, then the callback will be called\n    // synchronously. Otherwise it is called asynchronously.\n    function parseProperties(text, parsedPropertiesCallback) {\n      var dictionary = {};\n\n      // token expressions\n      var reBlank = /^\\s*|\\s*$/;\n      var reComment = /^\\s*#|^\\s*$/;\n      var reSection = /^\\s*\\[(.*)\\]\\s*$/;\n      var reImport = /^\\s*@import\\s+url\\((.*)\\)\\s*$/i;\n      var reSplit = /^([^=\\s]*)\\s*=\\s*(.+)$/; // TODO: escape EOLs with '\\'\n\n      // parse the *.properties file into an associative array\n      function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {\n        var entries = rawText.replace(reBlank, '').split(/[\\r\\n]+/);\n        var currentLang = '*';\n        var genericLang = lang.split('-', 1)[0];\n        var skipLang = false;\n        var match = '';\n\n        function nextEntry() {\n          // Use infinite loop instead of recursion to avoid reaching the\n          // maximum recursion limit for content with many lines.\n          while (true) {\n            if (!entries.length) {\n              parsedRawLinesCallback();\n              return;\n            }\n            var line = entries.shift();\n\n            // comment or blank line?\n            if (reComment.test(line))\n              continue;\n\n            // the extended syntax supports [lang] sections and @import rules\n            if (extendedSyntax) {\n              match = reSection.exec(line);\n              if (match) { // section start?\n                // RFC 4646, section 4.4, \"All comparisons MUST be performed\n                // in a case-insensitive manner.\"\n\n                currentLang = match[1].toLowerCase();\n                skipLang = (currentLang !== '*') &&\n                    (currentLang !== lang) && (currentLang !== genericLang);\n                continue;\n              } else if (skipLang) {\n                continue;\n              }\n              match = reImport.exec(line);\n              if (match) { // @import rule?\n                loadImport(baseURL + match[1], nextEntry);\n                return;\n              }\n            }\n\n            // key-value pair\n            var tmp = line.match(reSplit);\n            if (tmp && tmp.length == 3) {\n              dictionary[tmp[1]] = evalString(tmp[2]);\n            }\n          }\n        }\n        nextEntry();\n      }\n\n      // import another *.properties file\n      function loadImport(url, callback) {\n        xhrLoadText(url, function(content) {\n          parseRawLines(content, false, callback); // don't allow recursive imports\n        }, function () {\n          console.warn(url + ' not found.');\n          callback();\n        });\n      }\n\n      // fill the dictionary\n      parseRawLines(text, true, function() {\n        parsedPropertiesCallback(dictionary);\n      });\n    }\n\n    // load and parse l10n data (warning: global variables are used here)\n    xhrLoadText(href, function(response) {\n      gTextData += response; // mostly for debug\n\n      // parse *.properties text data into an l10n dictionary\n      parseProperties(response, function(data) {\n\n        // find attribute descriptions, if any\n        for (var key in data) {\n          var id, prop, index = key.lastIndexOf('.');\n          if (index > 0) { // an attribute has been specified\n            id = key.substring(0, index);\n            prop = key.substring(index + 1);\n          } else { // no attribute: assuming text content by default\n            id = key;\n            prop = gTextProp;\n          }\n          if (!gL10nData[id]) {\n            gL10nData[id] = {};\n          }\n          gL10nData[id][prop] = data[key];\n        }\n\n        // trigger callback\n        if (successCallback) {\n          successCallback();\n        }\n      });\n    }, failureCallback);\n  }\n\n  // load and parse all resources for the specified locale\n  function loadLocale(lang, callback) {\n    // RFC 4646, section 2.1 states that language tags have to be treated as\n    // case-insensitive. Convert to lowercase for case-insensitive comparisons.\n    if (lang) {\n      lang = lang.toLowerCase();\n    }\n\n    callback = callback || function _callback() {};\n\n    clear();\n    gLanguage = lang;\n\n    // check all <link type=\"application/l10n\" href=\"...\" /> nodes\n    // and load the resource files\n    var langLinks = getL10nResourceLinks();\n    var langCount = langLinks.length;\n    if (langCount === 0) {\n      // we might have a pre-compiled dictionary instead\n      var dict = getL10nDictionary();\n      if (dict && dict.locales && dict.default_locale) {\n        console.log('using the embedded JSON directory, early way out');\n        gL10nData = dict.locales[lang];\n        if (!gL10nData) {\n          var defaultLocale = dict.default_locale.toLowerCase();\n          for (var anyCaseLang in dict.locales) {\n            anyCaseLang = anyCaseLang.toLowerCase();\n            if (anyCaseLang === lang) {\n              gL10nData = dict.locales[lang];\n              break;\n            } else if (anyCaseLang === defaultLocale) {\n              gL10nData = dict.locales[defaultLocale];\n            }\n          }\n        }\n        callback();\n      } else {\n        console.log('no resource to load, early way out');\n      }\n      // early way out\n      gReadyState = 'complete';\n      return;\n    }\n\n    // start the callback when all resources are loaded\n    var onResourceLoaded = null;\n    var gResourceCount = 0;\n    onResourceLoaded = function() {\n      gResourceCount++;\n      if (gResourceCount >= langCount) {\n        callback();\n        gReadyState = 'complete';\n      }\n    };\n\n    // load all resource files\n    function L10nResourceLink(link) {\n      var href = link.href;\n      // Note: If |gAsyncResourceLoading| is false, then the following callbacks\n      // are synchronously called.\n      this.load = function(lang, callback) {\n        parseResource(href, lang, callback, function() {\n          console.warn(href + ' not found.');\n          // lang not found, used default resource instead\n          console.warn('\"' + lang + '\" resource not found');\n          gLanguage = '';\n          // Resource not loaded, but we still need to call the callback.\n          callback();\n        });\n      };\n    }\n\n    for (var i = 0; i < langCount; i++) {\n      var resource = new L10nResourceLink(langLinks[i]);\n      resource.load(lang, onResourceLoaded);\n    }\n  }\n\n  // clear all l10n data\n  function clear() {\n    gL10nData = {};\n    gTextData = '';\n    gLanguage = '';\n    // TODO: clear all non predefined macros.\n    // There's no such macro /yet/ but we're planning to have some...\n  }\n\n\n  /**\n   * Get rules for plural forms (shared with JetPack), see:\n   * http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html\n   * https://github.com/mozilla/addon-sdk/blob/master/python-lib/plural-rules-generator.p\n   *\n   * @param {string} lang\n   *    locale (language) used.\n   *\n   * @return {Function}\n   *    returns a function that gives the plural form name for a given integer:\n   *       var fun = getPluralRules('en');\n   *       fun(1)    -> 'one'\n   *       fun(0)    -> 'other'\n   *       fun(1000) -> 'other'.\n   */\n\n  function getPluralRules(lang) {\n    var locales2rules = {\n      'af': 3,\n      'ak': 4,\n      'am': 4,\n      'ar': 1,\n      'asa': 3,\n      'az': 0,\n      'be': 11,\n      'bem': 3,\n      'bez': 3,\n      'bg': 3,\n      'bh': 4,\n      'bm': 0,\n      'bn': 3,\n      'bo': 0,\n      'br': 20,\n      'brx': 3,\n      'bs': 11,\n      'ca': 3,\n      'cgg': 3,\n      'chr': 3,\n      'cs': 12,\n      'cy': 17,\n      'da': 3,\n      'de': 3,\n      'dv': 3,\n      'dz': 0,\n      'ee': 3,\n      'el': 3,\n      'en': 3,\n      'eo': 3,\n      'es': 3,\n      'et': 3,\n      'eu': 3,\n      'fa': 0,\n      'ff': 5,\n      'fi': 3,\n      'fil': 4,\n      'fo': 3,\n      'fr': 5,\n      'fur': 3,\n      'fy': 3,\n      'ga': 8,\n      'gd': 24,\n      'gl': 3,\n      'gsw': 3,\n      'gu': 3,\n      'guw': 4,\n      'gv': 23,\n      'ha': 3,\n      'haw': 3,\n      'he': 2,\n      'hi': 4,\n      'hr': 11,\n      'hu': 0,\n      'id': 0,\n      'ig': 0,\n      'ii': 0,\n      'is': 3,\n      'it': 3,\n      'iu': 7,\n      'ja': 0,\n      'jmc': 3,\n      'jv': 0,\n      'ka': 0,\n      'kab': 5,\n      'kaj': 3,\n      'kcg': 3,\n      'kde': 0,\n      'kea': 0,\n      'kk': 3,\n      'kl': 3,\n      'km': 0,\n      'kn': 0,\n      'ko': 0,\n      'ksb': 3,\n      'ksh': 21,\n      'ku': 3,\n      'kw': 7,\n      'lag': 18,\n      'lb': 3,\n      'lg': 3,\n      'ln': 4,\n      'lo': 0,\n      'lt': 10,\n      'lv': 6,\n      'mas': 3,\n      'mg': 4,\n      'mk': 16,\n      'ml': 3,\n      'mn': 3,\n      'mo': 9,\n      'mr': 3,\n      'ms': 0,\n      'mt': 15,\n      'my': 0,\n      'nah': 3,\n      'naq': 7,\n      'nb': 3,\n      'nd': 3,\n      'ne': 3,\n      'nl': 3,\n      'nn': 3,\n      'no': 3,\n      'nr': 3,\n      'nso': 4,\n      'ny': 3,\n      'nyn': 3,\n      'om': 3,\n      'or': 3,\n      'pa': 3,\n      'pap': 3,\n      'pl': 13,\n      'ps': 3,\n      'pt': 3,\n      'rm': 3,\n      'ro': 9,\n      'rof': 3,\n      'ru': 11,\n      'rwk': 3,\n      'sah': 0,\n      'saq': 3,\n      'se': 7,\n      'seh': 3,\n      'ses': 0,\n      'sg': 0,\n      'sh': 11,\n      'shi': 19,\n      'sk': 12,\n      'sl': 14,\n      'sma': 7,\n      'smi': 7,\n      'smj': 7,\n      'smn': 7,\n      'sms': 7,\n      'sn': 3,\n      'so': 3,\n      'sq': 3,\n      'sr': 11,\n      'ss': 3,\n      'ssy': 3,\n      'st': 3,\n      'sv': 3,\n      'sw': 3,\n      'syr': 3,\n      'ta': 3,\n      'te': 3,\n      'teo': 3,\n      'th': 0,\n      'ti': 4,\n      'tig': 3,\n      'tk': 3,\n      'tl': 4,\n      'tn': 3,\n      'to': 0,\n      'tr': 0,\n      'ts': 3,\n      'tzm': 22,\n      'uk': 11,\n      'ur': 3,\n      've': 3,\n      'vi': 0,\n      'vun': 3,\n      'wa': 4,\n      'wae': 3,\n      'wo': 0,\n      'xh': 3,\n      'xog': 3,\n      'yo': 0,\n      'zh': 0,\n      'zu': 3\n    };\n\n    // utility functions for plural rules methods\n    function isIn(n, list) {\n      return list.indexOf(n) !== -1;\n    }\n    function isBetween(n, start, end) {\n      return start <= n && n <= end;\n    }\n\n    // list of all plural rules methods:\n    // map an integer to the plural form name to use\n    var pluralRules = {\n      '0': function(n) {\n        return 'other';\n      },\n      '1': function(n) {\n        if ((isBetween((n % 100), 3, 10)))\n          return 'few';\n        if (n === 0)\n          return 'zero';\n        if ((isBetween((n % 100), 11, 99)))\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '2': function(n) {\n        if (n !== 0 && (n % 10) === 0)\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '3': function(n) {\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '4': function(n) {\n        if ((isBetween(n, 0, 1)))\n          return 'one';\n        return 'other';\n      },\n      '5': function(n) {\n        if ((isBetween(n, 0, 2)) && n != 2)\n          return 'one';\n        return 'other';\n      },\n      '6': function(n) {\n        if (n === 0)\n          return 'zero';\n        if ((n % 10) == 1 && (n % 100) != 11)\n          return 'one';\n        return 'other';\n      },\n      '7': function(n) {\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '8': function(n) {\n        if ((isBetween(n, 3, 6)))\n          return 'few';\n        if ((isBetween(n, 7, 10)))\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '9': function(n) {\n        if (n === 0 || n != 1 && (isBetween((n % 100), 1, 19)))\n          return 'few';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '10': function(n) {\n        if ((isBetween((n % 10), 2, 9)) && !(isBetween((n % 100), 11, 19)))\n          return 'few';\n        if ((n % 10) == 1 && !(isBetween((n % 100), 11, 19)))\n          return 'one';\n        return 'other';\n      },\n      '11': function(n) {\n        if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))\n          return 'few';\n        if ((n % 10) === 0 ||\n            (isBetween((n % 10), 5, 9)) ||\n            (isBetween((n % 100), 11, 14)))\n          return 'many';\n        if ((n % 10) == 1 && (n % 100) != 11)\n          return 'one';\n        return 'other';\n      },\n      '12': function(n) {\n        if ((isBetween(n, 2, 4)))\n          return 'few';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '13': function(n) {\n        if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))\n          return 'few';\n        if (n != 1 && (isBetween((n % 10), 0, 1)) ||\n            (isBetween((n % 10), 5, 9)) ||\n            (isBetween((n % 100), 12, 14)))\n          return 'many';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '14': function(n) {\n        if ((isBetween((n % 100), 3, 4)))\n          return 'few';\n        if ((n % 100) == 2)\n          return 'two';\n        if ((n % 100) == 1)\n          return 'one';\n        return 'other';\n      },\n      '15': function(n) {\n        if (n === 0 || (isBetween((n % 100), 2, 10)))\n          return 'few';\n        if ((isBetween((n % 100), 11, 19)))\n          return 'many';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '16': function(n) {\n        if ((n % 10) == 1 && n != 11)\n          return 'one';\n        return 'other';\n      },\n      '17': function(n) {\n        if (n == 3)\n          return 'few';\n        if (n === 0)\n          return 'zero';\n        if (n == 6)\n          return 'many';\n        if (n == 2)\n          return 'two';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '18': function(n) {\n        if (n === 0)\n          return 'zero';\n        if ((isBetween(n, 0, 2)) && n !== 0 && n != 2)\n          return 'one';\n        return 'other';\n      },\n      '19': function(n) {\n        if ((isBetween(n, 2, 10)))\n          return 'few';\n        if ((isBetween(n, 0, 1)))\n          return 'one';\n        return 'other';\n      },\n      '20': function(n) {\n        if ((isBetween((n % 10), 3, 4) || ((n % 10) == 9)) && !(\n            isBetween((n % 100), 10, 19) ||\n            isBetween((n % 100), 70, 79) ||\n            isBetween((n % 100), 90, 99)\n            ))\n          return 'few';\n        if ((n % 1000000) === 0 && n !== 0)\n          return 'many';\n        if ((n % 10) == 2 && !isIn((n % 100), [12, 72, 92]))\n          return 'two';\n        if ((n % 10) == 1 && !isIn((n % 100), [11, 71, 91]))\n          return 'one';\n        return 'other';\n      },\n      '21': function(n) {\n        if (n === 0)\n          return 'zero';\n        if (n == 1)\n          return 'one';\n        return 'other';\n      },\n      '22': function(n) {\n        if ((isBetween(n, 0, 1)) || (isBetween(n, 11, 99)))\n          return 'one';\n        return 'other';\n      },\n      '23': function(n) {\n        if ((isBetween((n % 10), 1, 2)) || (n % 20) === 0)\n          return 'one';\n        return 'other';\n      },\n      '24': function(n) {\n        if ((isBetween(n, 3, 10) || isBetween(n, 13, 19)))\n          return 'few';\n        if (isIn(n, [2, 12]))\n          return 'two';\n        if (isIn(n, [1, 11]))\n          return 'one';\n        return 'other';\n      }\n    };\n\n    // return a function that gives the plural form name for a given integer\n    var index = locales2rules[lang.replace(/-.*$/, '')];\n    if (!(index in pluralRules)) {\n      console.warn('plural form unknown for [' + lang + ']');\n      return function() { return 'other'; };\n    }\n    return pluralRules[index];\n  }\n\n  // pre-defined 'plural' macro\n  gMacros.plural = function(str, param, key, prop) {\n    var n = parseFloat(param);\n    if (isNaN(n))\n      return str;\n\n    // TODO: support other properties (l20n still doesn't...)\n    if (prop != gTextProp)\n      return str;\n\n    // initialize _pluralRules\n    if (!gMacros._pluralRules) {\n      gMacros._pluralRules = getPluralRules(gLanguage);\n    }\n    var index = '[' + gMacros._pluralRules(n) + ']';\n\n    // try to find a [zero|one|two] key if it's defined\n    if (n === 0 && (key + '[zero]') in gL10nData) {\n      str = gL10nData[key + '[zero]'][prop];\n    } else if (n == 1 && (key + '[one]') in gL10nData) {\n      str = gL10nData[key + '[one]'][prop];\n    } else if (n == 2 && (key + '[two]') in gL10nData) {\n      str = gL10nData[key + '[two]'][prop];\n    } else if ((key + index) in gL10nData) {\n      str = gL10nData[key + index][prop];\n    } else if ((key + '[other]') in gL10nData) {\n      str = gL10nData[key + '[other]'][prop];\n    }\n\n    return str;\n  };\n\n\n  /**\n   * l10n dictionary functions\n   */\n\n  // fetch an l10n object, warn if not found, apply `args' if possible\n  function getL10nData(key, args, fallback) {\n    var data = gL10nData[key];\n    if (!data) {\n      console.warn('#' + key + ' is undefined.');\n      if (!fallback) {\n        return null;\n      }\n      data = fallback;\n    }\n\n    /** This is where l10n expressions should be processed.\n      * The plan is to support C-style expressions from the l20n project;\n      * until then, only two kinds of simple expressions are supported:\n      *   {[ index ]} and {{ arguments }}.\n      */\n    var rv = {};\n    for (var prop in data) {\n      var str = data[prop];\n      str = substIndexes(str, args, key, prop);\n      str = substArguments(str, args, key);\n      rv[prop] = str;\n    }\n    return rv;\n  }\n\n  // replace {[macros]} with their values\n  function substIndexes(str, args, key, prop) {\n    var reIndex = /\\{\\[\\s*([a-zA-Z]+)\\(([a-zA-Z]+)\\)\\s*\\]\\}/;\n    var reMatch = reIndex.exec(str);\n    if (!reMatch || !reMatch.length)\n      return str;\n\n    // an index/macro has been found\n    // Note: at the moment, only one parameter is supported\n    var macroName = reMatch[1];\n    var paramName = reMatch[2];\n    var param;\n    if (args && paramName in args) {\n      param = args[paramName];\n    } else if (paramName in gL10nData) {\n      param = gL10nData[paramName];\n    }\n\n    // there's no macro parser yet: it has to be defined in gMacros\n    if (macroName in gMacros) {\n      var macro = gMacros[macroName];\n      str = macro(str, param, key, prop);\n    }\n    return str;\n  }\n\n  // replace {{arguments}} with their values\n  function substArguments(str, args, key) {\n    var reArgs = /\\{\\{\\s*(.+?)\\s*\\}\\}/g;\n    return str.replace(reArgs, function(matched_text, arg) {\n      if (args && arg in args) {\n        return args[arg];\n      }\n      if (arg in gL10nData) {\n        return gL10nData[arg];\n      }\n      console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');\n      return matched_text;\n    });\n  }\n\n  // translate an HTML element\n  function translateElement(element) {\n    var l10n = getL10nAttributes(element);\n    if (!l10n.id)\n      return;\n\n    // get the related l10n object\n    var data = getL10nData(l10n.id, l10n.args);\n    if (!data) {\n      console.warn('#' + l10n.id + ' is undefined.');\n      return;\n    }\n\n    // translate element (TODO: security checks?)\n    if (data[gTextProp]) { // XXX\n      if (getChildElementCount(element) === 0) {\n        element[gTextProp] = data[gTextProp];\n      } else {\n        // this element has element children: replace the content of the first\n        // (non-empty) child textNode and clear other child textNodes\n        var children = element.childNodes;\n        var found = false;\n        for (var i = 0, l = children.length; i < l; i++) {\n          if (children[i].nodeType === 3 && /\\S/.test(children[i].nodeValue)) {\n            if (found) {\n              children[i].nodeValue = '';\n            } else {\n              children[i].nodeValue = data[gTextProp];\n              found = true;\n            }\n          }\n        }\n        // if no (non-empty) textNode is found, insert a textNode before the\n        // first element child.\n        if (!found) {\n          var textNode = document.createTextNode(data[gTextProp]);\n          element.insertBefore(textNode, element.firstChild);\n        }\n      }\n      delete data[gTextProp];\n    }\n\n    for (var k in data) {\n      element[k] = data[k];\n    }\n  }\n\n  // webkit browsers don't currently support 'children' on SVG elements...\n  function getChildElementCount(element) {\n    if (element.children) {\n      return element.children.length;\n    }\n    if (typeof element.childElementCount !== 'undefined') {\n      return element.childElementCount;\n    }\n    var count = 0;\n    for (var i = 0; i < element.childNodes.length; i++) {\n      count += element.nodeType === 1 ? 1 : 0;\n    }\n    return count;\n  }\n\n  // translate an HTML subtree\n  function translateFragment(element) {\n    element = element || document.documentElement;\n\n    // check all translatable children (= w/ a `data-l10n-id' attribute)\n    var children = getTranslatableChildren(element);\n    var elementCount = children.length;\n    for (var i = 0; i < elementCount; i++) {\n      translateElement(children[i]);\n    }\n\n    // translate element itself if necessary\n    translateElement(element);\n  }\n\n  return {\n    // get a localized string\n    get: function(key, args, fallbackString) {\n      var index = key.lastIndexOf('.');\n      var prop = gTextProp;\n      if (index > 0) { // An attribute has been specified\n        prop = key.substring(index + 1);\n        key = key.substring(0, index);\n      }\n      var fallback;\n      if (fallbackString) {\n        fallback = {};\n        fallback[prop] = fallbackString;\n      }\n      var data = getL10nData(key, args, fallback);\n      if (data && prop in data) {\n        return data[prop];\n      }\n      return '{{' + key + '}}';\n    },\n\n    // debug\n    getData: function() { return gL10nData; },\n    getText: function() { return gTextData; },\n\n    // get|set the document language\n    getLanguage: function() { return gLanguage; },\n    setLanguage: function(lang, callback) {\n      loadLocale(lang, function() {\n        if (callback)\n          callback();\n      });\n    },\n\n    // get the direction (ltr|rtl) of the current language\n    getDirection: function() {\n      // http://www.w3.org/International/questions/qa-scripts\n      // Arabic, Hebrew, Farsi, Pashto, Urdu\n      var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];\n      var shortCode = gLanguage.split('-', 1)[0];\n      return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr';\n    },\n\n    // translate an element or document fragment\n    translate: translateFragment,\n\n    // this can be used to prevent race conditions\n    getReadyState: function() { return gReadyState; },\n    ready: function(callback) {\n      if (!callback) {\n        return;\n      } else if (gReadyState == 'complete' || gReadyState == 'interactive') {\n        window.setTimeout(function() {\n          callback();\n        });\n      } else if (document.addEventListener) {\n        document.addEventListener('localized', function once() {\n          document.removeEventListener('localized', once);\n          callback();\n        });\n      }\n    }\n  };\n}) (window, document);\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createPromiseCapability } from \"pdfjs-lib\";\nimport { getCharacterType } from \"./pdf_find_utils.js\";\nimport { scrollIntoView } from \"./ui_utils.js\";\n\nconst FindState = {\n  FOUND: 0,\n  NOT_FOUND: 1,\n  WRAPPED: 2,\n  PENDING: 3,\n};\n\nconst FIND_TIMEOUT = 250; // ms\nconst MATCH_SCROLL_OFFSET_TOP = -50; // px\nconst MATCH_SCROLL_OFFSET_LEFT = -400; // px\n\nconst CHARACTERS_TO_NORMALIZE = {\n  \"\\u2018\": \"'\", // Left single quotation mark\n  \"\\u2019\": \"'\", // Right single quotation mark\n  \"\\u201A\": \"'\", // Single low-9 quotation mark\n  \"\\u201B\": \"'\", // Single high-reversed-9 quotation mark\n  \"\\u201C\": '\"', // Left double quotation mark\n  \"\\u201D\": '\"', // Right double quotation mark\n  \"\\u201E\": '\"', // Double low-9 quotation mark\n  \"\\u201F\": '\"', // Double high-reversed-9 quotation mark\n  \"\\u00BC\": \"1/4\", // Vulgar fraction one quarter\n  \"\\u00BD\": \"1/2\", // Vulgar fraction one half\n  \"\\u00BE\": \"3/4\", // Vulgar fraction three quarters\n};\n\nlet normalizationRegex = null;\nfunction normalize(text) {\n  if (!normalizationRegex) {\n    // Compile the regular expression for text normalization once.\n    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(\"\");\n    normalizationRegex = new RegExp(`[${replace}]`, \"g\");\n  }\n  return text.replace(normalizationRegex, function (ch) {\n    return CHARACTERS_TO_NORMALIZE[ch];\n  });\n}\n\n/**\n * @typedef {Object} PDFFindControllerOptions\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {EventBus} eventBus - The application event bus.\n */\n\n/**\n * Provides search functionality to find a given string in a PDF document.\n */\nclass PDFFindController {\n  /**\n   * @param {PDFFindControllerOptions} options\n   */\n  constructor({ linkService, eventBus }) {\n    this._linkService = linkService;\n    this._eventBus = eventBus;\n\n    this._reset();\n    eventBus._on(\"findbarclose\", this._onFindBarClose.bind(this));\n  }\n\n  get highlightMatches() {\n    return this._highlightMatches;\n  }\n\n  get pageMatches() {\n    return this._pageMatches;\n  }\n\n  get pageMatchesLength() {\n    return this._pageMatchesLength;\n  }\n\n  get selected() {\n    return this._selected;\n  }\n\n  get state() {\n    return this._state;\n  }\n\n  /**\n   * Set a reference to the PDF document in order to search it.\n   * Note that searching is not possible if this method is not called.\n   *\n   * @param {PDFDocumentProxy} pdfDocument - The PDF document to search.\n   */\n  setDocument(pdfDocument) {\n    if (this._pdfDocument) {\n      this._reset();\n    }\n    if (!pdfDocument) {\n      return;\n    }\n    this._pdfDocument = pdfDocument;\n    this._firstPageCapability.resolve();\n  }\n\n  executeCommand(cmd, state) {\n    if (!state) {\n      return;\n    }\n    const pdfDocument = this._pdfDocument;\n\n    if (this._state === null || this._shouldDirtyMatch(cmd, state)) {\n      this._dirtyMatch = true;\n    }\n    this._state = state;\n    if (cmd !== \"findhighlightallchange\") {\n      this._updateUIState(FindState.PENDING);\n    }\n\n    this._firstPageCapability.promise.then(() => {\n      // If the document was closed before searching began, or if the search\n      // operation was relevant for a previously opened document, do nothing.\n      if (\n        !this._pdfDocument ||\n        (pdfDocument && this._pdfDocument !== pdfDocument)\n      ) {\n        return;\n      }\n      this._extractText();\n\n      const findbarClosed = !this._highlightMatches;\n      const pendingTimeout = !!this._findTimeout;\n\n      if (this._findTimeout) {\n        clearTimeout(this._findTimeout);\n        this._findTimeout = null;\n      }\n      if (cmd === \"find\") {\n        // Trigger the find action with a small delay to avoid starting the\n        // search when the user is still typing (saving resources).\n        this._findTimeout = setTimeout(() => {\n          this._nextMatch();\n          this._findTimeout = null;\n        }, FIND_TIMEOUT);\n      } else if (this._dirtyMatch) {\n        // Immediately trigger searching for non-'find' operations, when the\n        // current state needs to be reset and matches re-calculated.\n        this._nextMatch();\n      } else if (cmd === \"findagain\") {\n        this._nextMatch();\n\n        // When the findbar was previously closed, and `highlightAll` is set,\n        // ensure that the matches on all active pages are highlighted again.\n        if (findbarClosed && this._state.highlightAll) {\n          this._updateAllPages();\n        }\n      } else if (cmd === \"findhighlightallchange\") {\n        // If there was a pending search operation, synchronously trigger a new\n        // search *first* to ensure that the correct matches are highlighted.\n        if (pendingTimeout) {\n          this._nextMatch();\n        } else {\n          this._highlightMatches = true;\n        }\n        this._updateAllPages(); // Update the highlighting on all active pages.\n      } else {\n        this._nextMatch();\n      }\n    });\n  }\n\n  scrollMatchIntoView({ element = null, pageIndex = -1, matchIndex = -1 }) {\n    if (!this._scrollMatches || !element) {\n      return;\n    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {\n      return;\n    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {\n      return;\n    }\n    this._scrollMatches = false; // Ensure that scrolling only happens once.\n\n    const spot = {\n      top: MATCH_SCROLL_OFFSET_TOP,\n      left: MATCH_SCROLL_OFFSET_LEFT,\n    };\n    scrollIntoView(element, spot, /* skipOverflowHiddenElements = */ true);\n  }\n\n  _reset() {\n    this._highlightMatches = false;\n    this._scrollMatches = false;\n    this._pdfDocument = null;\n    this._pageMatches = [];\n    this._pageMatchesLength = [];\n    this._state = null;\n    // Currently selected match.\n    this._selected = {\n      pageIdx: -1,\n      matchIdx: -1,\n    };\n    // Where the find algorithm currently is in the document.\n    this._offset = {\n      pageIdx: null,\n      matchIdx: null,\n      wrapped: false,\n    };\n    this._extractTextPromises = [];\n    this._pageContents = []; // Stores the normalized text for each page.\n    this._matchesCountTotal = 0;\n    this._pagesToSearch = null;\n    this._pendingFindMatches = Object.create(null);\n    this._resumePageIdx = null;\n    this._dirtyMatch = false;\n    clearTimeout(this._findTimeout);\n    this._findTimeout = null;\n\n    this._firstPageCapability = createPromiseCapability();\n  }\n\n  /**\n   * @type {string} The (current) normalized search query.\n   */\n  get _query() {\n    if (this._state.query !== this._rawQuery) {\n      this._rawQuery = this._state.query;\n      this._normalizedQuery = normalize(this._state.query);\n    }\n    return this._normalizedQuery;\n  }\n\n  _shouldDirtyMatch(cmd, state) {\n    // When the search query changes, regardless of the actual search command\n    // used, always re-calculate matches to avoid errors (fixes bug 1030622).\n    if (state.query !== this._state.query) {\n      return true;\n    }\n    switch (cmd) {\n      case \"findagain\":\n        const pageNumber = this._selected.pageIdx + 1;\n        const linkService = this._linkService;\n        // Only treat a 'findagain' event as a new search operation when it's\n        // *absolutely* certain that the currently selected match is no longer\n        // visible, e.g. as a result of the user scrolling in the document.\n        //\n        // NOTE: If only a simple `this._linkService.page` check was used here,\n        // there's a risk that consecutive 'findagain' operations could \"skip\"\n        // over matches at the top/bottom of pages thus making them completely\n        // inaccessible when there's multiple pages visible in the viewer.\n        if (\n          pageNumber >= 1 &&\n          pageNumber <= linkService.pagesCount &&\n          pageNumber !== linkService.page &&\n          !linkService.isPageVisible(pageNumber)\n        ) {\n          return true;\n        }\n        return false;\n      case \"findhighlightallchange\":\n        return false;\n    }\n    return true;\n  }\n\n  /**\n   * Helper for multi-term search that fills the `matchesWithLength` array\n   * and handles cases where one search term includes another search term (for\n   * example, \"tamed tame\" or \"this is\"). It looks for intersecting terms in\n   * the `matches` and keeps elements with a longer match length.\n   */\n  _prepareMatches(matchesWithLength, matches, matchesLength) {\n    function isSubTerm(currentIndex) {\n      const currentElem = matchesWithLength[currentIndex];\n      const nextElem = matchesWithLength[currentIndex + 1];\n\n      // Check for cases like \"TAMEd TAME\".\n      if (\n        currentIndex < matchesWithLength.length - 1 &&\n        currentElem.match === nextElem.match\n      ) {\n        currentElem.skipped = true;\n        return true;\n      }\n\n      // Check for cases like \"thIS IS\".\n      for (let i = currentIndex - 1; i >= 0; i--) {\n        const prevElem = matchesWithLength[i];\n        if (prevElem.skipped) {\n          continue;\n        }\n        if (prevElem.match + prevElem.matchLength < currentElem.match) {\n          break;\n        }\n        if (\n          prevElem.match + prevElem.matchLength >=\n          currentElem.match + currentElem.matchLength\n        ) {\n          currentElem.skipped = true;\n          return true;\n        }\n      }\n      return false;\n    }\n\n    // Sort the array of `{ match: <match>, matchLength: <matchLength> }`\n    // objects on increasing index first and on the length otherwise.\n    matchesWithLength.sort(function (a, b) {\n      return a.match === b.match\n        ? a.matchLength - b.matchLength\n        : a.match - b.match;\n    });\n    for (let i = 0, len = matchesWithLength.length; i < len; i++) {\n      if (isSubTerm(i)) {\n        continue;\n      }\n      matches.push(matchesWithLength[i].match);\n      matchesLength.push(matchesWithLength[i].matchLength);\n    }\n  }\n\n  /**\n   * Determine if the search query constitutes a \"whole word\", by comparing the\n   * first/last character type with the preceding/following character type.\n   */\n  _isEntireWord(content, startIdx, length) {\n    if (startIdx > 0) {\n      const first = content.charCodeAt(startIdx);\n      const limit = content.charCodeAt(startIdx - 1);\n      if (getCharacterType(first) === getCharacterType(limit)) {\n        return false;\n      }\n    }\n    const endIdx = startIdx + length - 1;\n    if (endIdx < content.length - 1) {\n      const last = content.charCodeAt(endIdx);\n      const limit = content.charCodeAt(endIdx + 1);\n      if (getCharacterType(last) === getCharacterType(limit)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {\n    const matches = [];\n    const queryLen = query.length;\n\n    let matchIdx = -queryLen;\n    while (true) {\n      matchIdx = pageContent.indexOf(query, matchIdx + queryLen);\n      if (matchIdx === -1) {\n        break;\n      }\n      if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {\n        continue;\n      }\n      matches.push(matchIdx);\n    }\n    this._pageMatches[pageIndex] = matches;\n  }\n\n  _calculateWordMatch(query, pageIndex, pageContent, entireWord) {\n    const matchesWithLength = [];\n\n    // Divide the query into pieces and search for text in each piece.\n    const queryArray = query.match(/\\S+/g);\n    for (let i = 0, len = queryArray.length; i < len; i++) {\n      const subquery = queryArray[i];\n      const subqueryLen = subquery.length;\n\n      let matchIdx = -subqueryLen;\n      while (true) {\n        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);\n        if (matchIdx === -1) {\n          break;\n        }\n        if (\n          entireWord &&\n          !this._isEntireWord(pageContent, matchIdx, subqueryLen)\n        ) {\n          continue;\n        }\n        // Other searches do not, so we store the length.\n        matchesWithLength.push({\n          match: matchIdx,\n          matchLength: subqueryLen,\n          skipped: false,\n        });\n      }\n    }\n\n    // Prepare arrays for storing the matches.\n    this._pageMatchesLength[pageIndex] = [];\n    this._pageMatches[pageIndex] = [];\n\n    // Sort `matchesWithLength`, remove intersecting terms and put the result\n    // into the two arrays.\n    this._prepareMatches(\n      matchesWithLength,\n      this._pageMatches[pageIndex],\n      this._pageMatchesLength[pageIndex]\n    );\n  }\n\n  _calculateMatch(pageIndex) {\n    let pageContent = this._pageContents[pageIndex];\n    let query = this._query;\n    const { caseSensitive, entireWord, phraseSearch } = this._state;\n\n    if (query.length === 0) {\n      // Do nothing: the matches should be wiped out already.\n      return;\n    }\n\n    if (!caseSensitive) {\n      pageContent = pageContent.toLowerCase();\n      query = query.toLowerCase();\n    }\n\n    if (phraseSearch) {\n      this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);\n    } else {\n      this._calculateWordMatch(query, pageIndex, pageContent, entireWord);\n    }\n\n    // When `highlightAll` is set, ensure that the matches on previously\n    // rendered (and still active) pages are correctly highlighted.\n    if (this._state.highlightAll) {\n      this._updatePage(pageIndex);\n    }\n    if (this._resumePageIdx === pageIndex) {\n      this._resumePageIdx = null;\n      this._nextPageMatch();\n    }\n\n    // Update the match count.\n    const pageMatchesCount = this._pageMatches[pageIndex].length;\n    if (pageMatchesCount > 0) {\n      this._matchesCountTotal += pageMatchesCount;\n      this._updateUIResultsCount();\n    }\n  }\n\n  _extractText() {\n    // Perform text extraction once if this method is called multiple times.\n    if (this._extractTextPromises.length > 0) {\n      return;\n    }\n\n    let promise = Promise.resolve();\n    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {\n      const extractTextCapability = createPromiseCapability();\n      this._extractTextPromises[i] = extractTextCapability.promise;\n\n      promise = promise.then(() => {\n        return this._pdfDocument\n          .getPage(i + 1)\n          .then(pdfPage => {\n            return pdfPage.getTextContent({\n              normalizeWhitespace: true,\n            });\n          })\n          .then(\n            textContent => {\n              const textItems = textContent.items;\n              const strBuf = [];\n\n              for (let j = 0, jj = textItems.length; j < jj; j++) {\n                strBuf.push(textItems[j].str);\n              }\n\n              // Store the normalized page content (text items) as one string.\n              this._pageContents[i] = normalize(strBuf.join(\"\"));\n              extractTextCapability.resolve(i);\n            },\n            reason => {\n              console.error(\n                `Unable to get text content for page ${i + 1}`,\n                reason\n              );\n              // Page error -- assuming no text content.\n              this._pageContents[i] = \"\";\n              extractTextCapability.resolve(i);\n            }\n          );\n      });\n    }\n  }\n\n  _updatePage(index) {\n    if (this._scrollMatches && this._selected.pageIdx === index) {\n      // If the page is selected, scroll the page into view, which triggers\n      // rendering the page, which adds the text layer. Once the text layer\n      // is built, it will attempt to scroll the selected match into view.\n      this._linkService.page = index + 1;\n    }\n\n    this._eventBus.dispatch(\"updatetextlayermatches\", {\n      source: this,\n      pageIndex: index,\n    });\n  }\n\n  _updateAllPages() {\n    this._eventBus.dispatch(\"updatetextlayermatches\", {\n      source: this,\n      pageIndex: -1,\n    });\n  }\n\n  _nextMatch() {\n    const previous = this._state.findPrevious;\n    const currentPageIndex = this._linkService.page - 1;\n    const numPages = this._linkService.pagesCount;\n\n    this._highlightMatches = true;\n\n    if (this._dirtyMatch) {\n      // Need to recalculate the matches, reset everything.\n      this._dirtyMatch = false;\n      this._selected.pageIdx = this._selected.matchIdx = -1;\n      this._offset.pageIdx = currentPageIndex;\n      this._offset.matchIdx = null;\n      this._offset.wrapped = false;\n      this._resumePageIdx = null;\n      this._pageMatches.length = 0;\n      this._pageMatchesLength.length = 0;\n      this._matchesCountTotal = 0;\n\n      this._updateAllPages(); // Wipe out any previously highlighted matches.\n\n      for (let i = 0; i < numPages; i++) {\n        // Start finding the matches as soon as the text is extracted.\n        if (this._pendingFindMatches[i] === true) {\n          continue;\n        }\n        this._pendingFindMatches[i] = true;\n        this._extractTextPromises[i].then(pageIdx => {\n          delete this._pendingFindMatches[pageIdx];\n          this._calculateMatch(pageIdx);\n        });\n      }\n    }\n\n    // If there's no query there's no point in searching.\n    if (this._query === \"\") {\n      this._updateUIState(FindState.FOUND);\n      return;\n    }\n    // If we're waiting on a page, we return since we can't do anything else.\n    if (this._resumePageIdx) {\n      return;\n    }\n\n    const offset = this._offset;\n    // Keep track of how many pages we should maximally iterate through.\n    this._pagesToSearch = numPages;\n    // If there's already a `matchIdx` that means we are iterating through a\n    // page's matches.\n    if (offset.matchIdx !== null) {\n      const numPageMatches = this._pageMatches[offset.pageIdx].length;\n      if (\n        (!previous && offset.matchIdx + 1 < numPageMatches) ||\n        (previous && offset.matchIdx > 0)\n      ) {\n        // The simple case; we just have advance the matchIdx to select\n        // the next match on the page.\n        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;\n        this._updateMatch(/* found = */ true);\n        return;\n      }\n      // We went beyond the current page's matches, so we advance to\n      // the next page.\n      this._advanceOffsetPage(previous);\n    }\n    // Start searching through the page.\n    this._nextPageMatch();\n  }\n\n  _matchesReady(matches) {\n    const offset = this._offset;\n    const numMatches = matches.length;\n    const previous = this._state.findPrevious;\n\n    if (numMatches) {\n      // There were matches for the page, so initialize `matchIdx`.\n      offset.matchIdx = previous ? numMatches - 1 : 0;\n      this._updateMatch(/* found = */ true);\n      return true;\n    }\n    // No matches, so attempt to search the next page.\n    this._advanceOffsetPage(previous);\n    if (offset.wrapped) {\n      offset.matchIdx = null;\n      if (this._pagesToSearch < 0) {\n        // No point in wrapping again, there were no matches.\n        this._updateMatch(/* found = */ false);\n        // While matches were not found, searching for a page\n        // with matches should nevertheless halt.\n        return true;\n      }\n    }\n    // Matches were not found (and searching is not done).\n    return false;\n  }\n\n  _nextPageMatch() {\n    if (this._resumePageIdx !== null) {\n      console.error(\"There can only be one pending page.\");\n    }\n\n    let matches = null;\n    do {\n      const pageIdx = this._offset.pageIdx;\n      matches = this._pageMatches[pageIdx];\n      if (!matches) {\n        // The matches don't exist yet for processing by `_matchesReady`,\n        // so set a resume point for when they do exist.\n        this._resumePageIdx = pageIdx;\n        break;\n      }\n    } while (!this._matchesReady(matches));\n  }\n\n  _advanceOffsetPage(previous) {\n    const offset = this._offset;\n    const numPages = this._linkService.pagesCount;\n    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;\n    offset.matchIdx = null;\n\n    this._pagesToSearch--;\n\n    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {\n      offset.pageIdx = previous ? numPages - 1 : 0;\n      offset.wrapped = true;\n    }\n  }\n\n  _updateMatch(found = false) {\n    let state = FindState.NOT_FOUND;\n    const wrapped = this._offset.wrapped;\n    this._offset.wrapped = false;\n\n    if (found) {\n      const previousPage = this._selected.pageIdx;\n      this._selected.pageIdx = this._offset.pageIdx;\n      this._selected.matchIdx = this._offset.matchIdx;\n      state = wrapped ? FindState.WRAPPED : FindState.FOUND;\n\n      // Update the currently selected page to wipe out any selected matches.\n      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {\n        this._updatePage(previousPage);\n      }\n    }\n\n    this._updateUIState(state, this._state.findPrevious);\n    if (this._selected.pageIdx !== -1) {\n      // Ensure that the match will be scrolled into view.\n      this._scrollMatches = true;\n\n      this._updatePage(this._selected.pageIdx);\n    }\n  }\n\n  _onFindBarClose(evt) {\n    const pdfDocument = this._pdfDocument;\n    // Since searching is asynchronous, ensure that the removal of highlighted\n    // matches (from the UI) is async too such that the 'updatetextlayermatches'\n    // events will always be dispatched in the expected order.\n    this._firstPageCapability.promise.then(() => {\n      // Only update the UI if the document is open, and is the current one.\n      if (\n        !this._pdfDocument ||\n        (pdfDocument && this._pdfDocument !== pdfDocument)\n      ) {\n        return;\n      }\n      // Ensure that a pending, not yet started, search operation is aborted.\n      if (this._findTimeout) {\n        clearTimeout(this._findTimeout);\n        this._findTimeout = null;\n      }\n      // Abort any long running searches, to avoid a match being scrolled into\n      // view *after* the findbar has been closed. In this case `this._offset`\n      // will most likely differ from `this._selected`, hence we also ensure\n      // that any new search operation will always start with a clean slate.\n      if (this._resumePageIdx) {\n        this._resumePageIdx = null;\n        this._dirtyMatch = true;\n      }\n      // Avoid the UI being in a pending state when the findbar is re-opened.\n      this._updateUIState(FindState.FOUND);\n\n      this._highlightMatches = false;\n      this._updateAllPages(); // Wipe out any previously highlighted matches.\n    });\n  }\n\n  _requestMatchesCount() {\n    const { pageIdx, matchIdx } = this._selected;\n    let current = 0,\n      total = this._matchesCountTotal;\n    if (matchIdx !== -1) {\n      for (let i = 0; i < pageIdx; i++) {\n        current += (this._pageMatches[i] && this._pageMatches[i].length) || 0;\n      }\n      current += matchIdx + 1;\n    }\n    // When searching starts, this method may be called before the `pageMatches`\n    // have been counted (in `_calculateMatch`). Ensure that the UI won't show\n    // temporarily broken state when the active find result doesn't make sense.\n    if (current < 1 || current > total) {\n      current = total = 0;\n    }\n    return { current, total };\n  }\n\n  _updateUIResultsCount() {\n    this._eventBus.dispatch(\"updatefindmatchescount\", {\n      source: this,\n      matchesCount: this._requestMatchesCount(),\n    });\n  }\n\n  _updateUIState(state, previous) {\n    this._eventBus.dispatch(\"updatefindcontrolstate\", {\n      source: this,\n      state,\n      previous,\n      matchesCount: this._requestMatchesCount(),\n      rawQuery: this._state ? this._state.query : null,\n    });\n  }\n}\n\nexport { FindState, PDFFindController };\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CharacterType = {\n  SPACE: 0,\n  ALPHA_LETTER: 1,\n  PUNCT: 2,\n  HAN_LETTER: 3,\n  KATAKANA_LETTER: 4,\n  HIRAGANA_LETTER: 5,\n  HALFWIDTH_KATAKANA_LETTER: 6,\n  THAI_LETTER: 7,\n};\n\nfunction isAlphabeticalScript(charCode) {\n  return charCode < 0x2e80;\n}\n\nfunction isAscii(charCode) {\n  return (charCode & 0xff80) === 0;\n}\n\nfunction isAsciiAlpha(charCode) {\n  return (\n    (charCode >= /* a = */ 0x61 && charCode <= /* z = */ 0x7a) ||\n    (charCode >= /* A = */ 0x41 && charCode <= /* Z = */ 0x5a)\n  );\n}\n\nfunction isAsciiDigit(charCode) {\n  return charCode >= /* 0 = */ 0x30 && charCode <= /* 9 = */ 0x39;\n}\n\nfunction isAsciiSpace(charCode) {\n  return (\n    charCode === /* SPACE = */ 0x20 ||\n    charCode === /* TAB = */ 0x09 ||\n    charCode === /* CR = */ 0x0d ||\n    charCode === /* LF = */ 0x0a\n  );\n}\n\nfunction isHan(charCode) {\n  return (\n    (charCode >= 0x3400 && charCode <= 0x9fff) ||\n    (charCode >= 0xf900 && charCode <= 0xfaff)\n  );\n}\n\nfunction isKatakana(charCode) {\n  return charCode >= 0x30a0 && charCode <= 0x30ff;\n}\n\nfunction isHiragana(charCode) {\n  return charCode >= 0x3040 && charCode <= 0x309f;\n}\n\nfunction isHalfwidthKatakana(charCode) {\n  return charCode >= 0xff60 && charCode <= 0xff9f;\n}\n\nfunction isThai(charCode) {\n  return (charCode & 0xff80) === 0x0e00;\n}\n\n/**\n * This function is based on the word-break detection implemented in:\n * https://hg.mozilla.org/mozilla-central/file/tip/intl/lwbrk/WordBreaker.cpp\n */\nfunction getCharacterType(charCode) {\n  if (isAlphabeticalScript(charCode)) {\n    if (isAscii(charCode)) {\n      if (isAsciiSpace(charCode)) {\n        return CharacterType.SPACE;\n      } else if (\n        isAsciiAlpha(charCode) ||\n        isAsciiDigit(charCode) ||\n        charCode === /* UNDERSCORE = */ 0x5f\n      ) {\n        return CharacterType.ALPHA_LETTER;\n      }\n      return CharacterType.PUNCT;\n    } else if (isThai(charCode)) {\n      return CharacterType.THAI_LETTER;\n    } else if (charCode === /* NBSP = */ 0xa0) {\n      return CharacterType.SPACE;\n    }\n    return CharacterType.ALPHA_LETTER;\n  }\n\n  if (isHan(charCode)) {\n    return CharacterType.HAN_LETTER;\n  } else if (isKatakana(charCode)) {\n    return CharacterType.KATAKANA_LETTER;\n  } else if (isHiragana(charCode)) {\n    return CharacterType.HIRAGANA_LETTER;\n  } else if (isHalfwidthKatakana(charCode)) {\n    return CharacterType.HALFWIDTH_KATAKANA_LETTER;\n  }\n  return CharacterType.ALPHA_LETTER;\n}\n\nexport { CharacterType, getCharacterType };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  isValidRotation,\n  parseQueryString,\n  waitOnEventOrTimeout,\n} from \"./ui_utils.js\";\n\n// Heuristic value used when force-resetting `this._blockHashChange`.\nconst HASH_CHANGE_TIMEOUT = 1000; // milliseconds\n// Heuristic value used when adding the current position to the browser history.\nconst POSITION_UPDATED_THRESHOLD = 50;\n// Heuristic value used when adding a temporary position to the browser history.\nconst UPDATE_VIEWAREA_TIMEOUT = 1000; // milliseconds\n\n/**\n * @typedef {Object} PDFHistoryOptions\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {EventBus} eventBus - The application event bus.\n */\n\n/**\n * @typedef {Object} InitializeParameters\n * @property {string} fingerprint - The PDF document's unique fingerprint.\n * @property {boolean} [resetHistory] - Reset the browsing history.\n * @property {boolean} [updateUrl] - Attempt to update the document URL, with\n *   the current hash, when pushing/replacing browser history entries.\n */\n\n/**\n * @typedef {Object} PushParameters\n * @property {string} [namedDest] - The named destination. If absent, a\n *   stringified version of `explicitDest` is used.\n * @property {Array} explicitDest - The explicit destination array.\n * @property {number} pageNumber - The page to which the destination points.\n */\n\nfunction getCurrentHash() {\n  return document.location.hash;\n}\n\nclass PDFHistory {\n  /**\n   * @param {PDFHistoryOptions} options\n   */\n  constructor({ linkService, eventBus }) {\n    this.linkService = linkService;\n    this.eventBus = eventBus;\n\n    this._initialized = false;\n    this._fingerprint = \"\";\n    this.reset();\n\n    this._boundEvents = null;\n    this._isViewerInPresentationMode = false;\n    // Ensure that we don't miss either a 'presentationmodechanged' or a\n    // 'pagesinit' event, by registering the listeners immediately.\n    this.eventBus._on(\"presentationmodechanged\", evt => {\n      this._isViewerInPresentationMode = evt.active || evt.switchInProgress;\n    });\n    this.eventBus._on(\"pagesinit\", () => {\n      this._isPagesLoaded = false;\n\n      const onPagesLoaded = evt => {\n        this.eventBus._off(\"pagesloaded\", onPagesLoaded);\n        this._isPagesLoaded = !!evt.pagesCount;\n      };\n      this.eventBus._on(\"pagesloaded\", onPagesLoaded);\n    });\n  }\n\n  /**\n   * Initialize the history for the PDF document, using either the current\n   * browser history entry or the document hash, whichever is present.\n   * @param {InitializeParameters} params\n   */\n  initialize({ fingerprint, resetHistory = false, updateUrl = false }) {\n    if (!fingerprint || typeof fingerprint !== \"string\") {\n      console.error(\n        'PDFHistory.initialize: The \"fingerprint\" must be a non-empty string.'\n      );\n      return;\n    }\n    // Ensure that any old state is always reset upon initialization.\n    if (this._initialized) {\n      this.reset();\n    }\n    const reInitialized =\n      this._fingerprint !== \"\" && this._fingerprint !== fingerprint;\n    this._fingerprint = fingerprint;\n    this._updateUrl = updateUrl === true;\n\n    this._initialized = true;\n    this._bindEvents();\n    const state = window.history.state;\n\n    this._popStateInProgress = false;\n    this._blockHashChange = 0;\n    this._currentHash = getCurrentHash();\n    this._numPositionUpdates = 0;\n\n    this._uid = this._maxUid = 0;\n    this._destination = null;\n    this._position = null;\n\n    if (!this._isValidState(state, /* checkReload = */ true) || resetHistory) {\n      const { hash, page, rotation } = this._parseCurrentHash(\n        /* checkNameddest = */ true\n      );\n\n      if (!hash || reInitialized || resetHistory) {\n        // Ensure that the browser history is reset on PDF document load.\n        this._pushOrReplaceState(null, /* forceReplace = */ true);\n        return;\n      }\n      // Ensure that the browser history is initialized correctly when\n      // the document hash is present on PDF document load.\n      this._pushOrReplaceState(\n        { hash, page, rotation },\n        /* forceReplace = */ true\n      );\n      return;\n    }\n\n    // The browser history contains a valid entry, ensure that the history is\n    // initialized correctly on PDF document load.\n    const destination = state.destination;\n    this._updateInternalState(\n      destination,\n      state.uid,\n      /* removeTemporary = */ true\n    );\n    if (this._uid > this._maxUid) {\n      this._maxUid = this._uid;\n    }\n\n    if (destination.rotation !== undefined) {\n      this._initialRotation = destination.rotation;\n    }\n    if (destination.dest) {\n      this._initialBookmark = JSON.stringify(destination.dest);\n\n      // If the history is updated, e.g. through the user changing the hash,\n      // before the initial destination has become visible, then we do *not*\n      // want to potentially add `this._position` to the browser history.\n      this._destination.page = null;\n    } else if (destination.hash) {\n      this._initialBookmark = destination.hash;\n    } else if (destination.page) {\n      // Fallback case; shouldn't be necessary, but better safe than sorry.\n      this._initialBookmark = `page=${destination.page}`;\n    }\n  }\n\n  /**\n   * Reset the current `PDFHistory` instance, and consequently prevent any\n   * further updates and/or navigation of the browser history.\n   */\n  reset() {\n    if (this._initialized) {\n      this._pageHide(); // Simulate a 'pagehide' event when resetting.\n\n      this._initialized = false;\n      this._unbindEvents();\n    }\n    if (this._updateViewareaTimeout) {\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n    this._initialBookmark = null;\n    this._initialRotation = null;\n  }\n\n  /**\n   * Push an internal destination to the browser history.\n   * @param {PushParameters}\n   */\n  push({ namedDest = null, explicitDest, pageNumber }) {\n    if (!this._initialized) {\n      return;\n    }\n    if (namedDest && typeof namedDest !== \"string\") {\n      console.error(\n        \"PDFHistory.push: \" +\n          `\"${namedDest}\" is not a valid namedDest parameter.`\n      );\n      return;\n    } else if (!Array.isArray(explicitDest)) {\n      console.error(\n        \"PDFHistory.push: \" +\n          `\"${explicitDest}\" is not a valid explicitDest parameter.`\n      );\n      return;\n    } else if (\n      !(\n        Number.isInteger(pageNumber) &&\n        pageNumber > 0 &&\n        pageNumber <= this.linkService.pagesCount\n      )\n    ) {\n      // Allow an unset `pageNumber` if and only if the history is still empty;\n      // please refer to the `this._destination.page = null;` comment above.\n      if (pageNumber !== null || this._destination) {\n        console.error(\n          \"PDFHistory.push: \" +\n            `\"${pageNumber}\" is not a valid pageNumber parameter.`\n        );\n        return;\n      }\n    }\n\n    const hash = namedDest || JSON.stringify(explicitDest);\n    if (!hash) {\n      // The hash *should* never be undefined, but if that were to occur,\n      // avoid any possible issues by not updating the browser history.\n      return;\n    }\n\n    let forceReplace = false;\n    if (\n      this._destination &&\n      (isDestHashesEqual(this._destination.hash, hash) ||\n        isDestArraysEqual(this._destination.dest, explicitDest))\n    ) {\n      // When the new destination is identical to `this._destination`, and\n      // its `page` is undefined, replace the current browser history entry.\n      // NOTE: This can only occur if `this._destination` was set either:\n      //  - through the document hash being specified on load.\n      //  - through the user changing the hash of the document.\n      if (this._destination.page) {\n        return;\n      }\n      forceReplace = true;\n    }\n    if (this._popStateInProgress && !forceReplace) {\n      return;\n    }\n\n    this._pushOrReplaceState(\n      {\n        dest: explicitDest,\n        hash,\n        page: pageNumber,\n        rotation: this.linkService.rotation,\n      },\n      forceReplace\n    );\n\n    if (!this._popStateInProgress) {\n      // Prevent the browser history from updating while the new destination is\n      // being scrolled into view, to avoid potentially inconsistent state.\n      this._popStateInProgress = true;\n      // We defer the resetting of `this._popStateInProgress`, to account for\n      // e.g. zooming occuring when the new destination is being navigated to.\n      Promise.resolve().then(() => {\n        this._popStateInProgress = false;\n      });\n    }\n  }\n\n  /**\n   * Push the current position to the browser history.\n   */\n  pushCurrentPosition() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    this._tryPushCurrentPosition();\n  }\n\n  /**\n   * Go back one step in the browser history.\n   * NOTE: Avoids navigating away from the document, useful for \"named actions\".\n   */\n  back() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    const state = window.history.state;\n    if (this._isValidState(state) && state.uid > 0) {\n      window.history.back();\n    }\n  }\n\n  /**\n   * Go forward one step in the browser history.\n   * NOTE: Avoids navigating away from the document, useful for \"named actions\".\n   */\n  forward() {\n    if (!this._initialized || this._popStateInProgress) {\n      return;\n    }\n    const state = window.history.state;\n    if (this._isValidState(state) && state.uid < this._maxUid) {\n      window.history.forward();\n    }\n  }\n\n  /**\n   * @type {boolean} Indicating if the user is currently moving through the\n   *   browser history, useful e.g. for skipping the next 'hashchange' event.\n   */\n  get popStateInProgress() {\n    return (\n      this._initialized &&\n      (this._popStateInProgress || this._blockHashChange > 0)\n    );\n  }\n\n  get initialBookmark() {\n    return this._initialized ? this._initialBookmark : null;\n  }\n\n  get initialRotation() {\n    return this._initialized ? this._initialRotation : null;\n  }\n\n  /**\n   * @private\n   */\n  _pushOrReplaceState(destination, forceReplace = false) {\n    const shouldReplace = forceReplace || !this._destination;\n    const newState = {\n      fingerprint: this._fingerprint,\n      uid: shouldReplace ? this._uid : this._uid + 1,\n      destination,\n    };\n\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"CHROME\") &&\n      window.history.state &&\n      window.history.state.chromecomState\n    ) {\n      // history.state.chromecomState is managed by chromecom.js.\n      newState.chromecomState = window.history.state.chromecomState;\n    }\n    this._updateInternalState(destination, newState.uid);\n\n    let newUrl;\n    if (this._updateUrl && destination && destination.hash) {\n      const baseUrl = document.location.href.split(\"#\")[0];\n      // Prevent errors in Firefox.\n      if (!baseUrl.startsWith(\"file://\")) {\n        newUrl = `${baseUrl}#${destination.hash}`;\n      }\n    }\n    if (shouldReplace) {\n      window.history.replaceState(newState, \"\", newUrl);\n    } else {\n      this._maxUid = this._uid;\n      window.history.pushState(newState, \"\", newUrl);\n    }\n\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"CHROME\") &&\n      top === window\n    ) {\n      // eslint-disable-next-line no-undef\n      chrome.runtime.sendMessage(\"showPageAction\");\n    }\n  }\n\n  /**\n   * @private\n   */\n  _tryPushCurrentPosition(temporary = false) {\n    if (!this._position) {\n      return;\n    }\n    let position = this._position;\n    if (temporary) {\n      position = Object.assign(Object.create(null), this._position);\n      position.temporary = true;\n    }\n\n    if (!this._destination) {\n      this._pushOrReplaceState(position);\n      return;\n    }\n    if (this._destination.temporary) {\n      // Always replace a previous *temporary* position.\n      this._pushOrReplaceState(position, /* forceReplace = */ true);\n      return;\n    }\n    if (this._destination.hash === position.hash) {\n      return; // The current document position has not changed.\n    }\n    if (\n      !this._destination.page &&\n      (POSITION_UPDATED_THRESHOLD <= 0 ||\n        this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)\n    ) {\n      // `this._destination` was set through the user changing the hash of\n      // the document. Do not add `this._position` to the browser history,\n      // to avoid \"flooding\" it with lots of (nearly) identical entries,\n      // since we cannot ensure that the document position has changed.\n      return;\n    }\n\n    let forceReplace = false;\n    if (\n      this._destination.page >= position.first &&\n      this._destination.page <= position.page\n    ) {\n      // When the `page` of `this._destination` is still visible, do not\n      // update the browsing history when `this._destination` either:\n      //  - contains an internal destination, since in this case we\n      //    cannot ensure that the document position has actually changed.\n      //  - was set through the user changing the hash of the document.\n      if (this._destination.dest || !this._destination.first) {\n        return;\n      }\n      // To avoid \"flooding\" the browser history, replace the current entry.\n      forceReplace = true;\n    }\n    this._pushOrReplaceState(position, forceReplace);\n  }\n\n  /**\n   * @private\n   */\n  _isValidState(state, checkReload = false) {\n    if (!state) {\n      return false;\n    }\n    if (state.fingerprint !== this._fingerprint) {\n      if (checkReload) {\n        // Potentially accept the history entry, even if the fingerprints don't\n        // match, when the viewer was reloaded (see issue 6847).\n        if (\n          typeof state.fingerprint !== \"string\" ||\n          state.fingerprint.length !== this._fingerprint.length\n        ) {\n          return false;\n        }\n        const [perfEntry] = performance.getEntriesByType(\"navigation\");\n        if (!perfEntry || perfEntry.type !== \"reload\") {\n          return false;\n        }\n      } else {\n        // This should only occur in viewers with support for opening more than\n        // one PDF document, e.g. the GENERIC viewer.\n        return false;\n      }\n    }\n    if (!Number.isInteger(state.uid) || state.uid < 0) {\n      return false;\n    }\n    if (state.destination === null || typeof state.destination !== \"object\") {\n      return false;\n    }\n    return true;\n  }\n\n  /**\n   * @private\n   */\n  _updateInternalState(destination, uid, removeTemporary = false) {\n    if (this._updateViewareaTimeout) {\n      // When updating `this._destination`, make sure that we always wait for\n      // the next 'updateviewarea' event before (potentially) attempting to\n      // push the current position to the browser history.\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n    if (removeTemporary && destination && destination.temporary) {\n      // When the `destination` comes from the browser history,\n      // we no longer treat it as a *temporary* position.\n      delete destination.temporary;\n    }\n    this._destination = destination;\n    this._uid = uid;\n    // This should always be reset when `this._destination` is updated.\n    this._numPositionUpdates = 0;\n  }\n\n  /**\n   * @private\n   */\n  _parseCurrentHash(checkNameddest = false) {\n    const hash = unescape(getCurrentHash()).substring(1);\n    const params = parseQueryString(hash);\n\n    const nameddest = params.nameddest || \"\";\n    let page = params.page | 0;\n\n    if (\n      !(\n        Number.isInteger(page) &&\n        page > 0 &&\n        page <= this.linkService.pagesCount\n      ) ||\n      (checkNameddest && nameddest.length > 0)\n    ) {\n      page = null;\n    }\n    return { hash, page, rotation: this.linkService.rotation };\n  }\n\n  /**\n   * @private\n   */\n  _updateViewarea({ location }) {\n    if (this._updateViewareaTimeout) {\n      clearTimeout(this._updateViewareaTimeout);\n      this._updateViewareaTimeout = null;\n    }\n\n    this._position = {\n      hash: this._isViewerInPresentationMode\n        ? `page=${location.pageNumber}`\n        : location.pdfOpenParams.substring(1),\n      page: this.linkService.page,\n      first: location.pageNumber,\n      rotation: location.rotation,\n    };\n\n    if (this._popStateInProgress) {\n      return;\n    }\n\n    if (\n      POSITION_UPDATED_THRESHOLD > 0 &&\n      this._isPagesLoaded &&\n      this._destination &&\n      !this._destination.page\n    ) {\n      // If the current destination was set through the user changing the hash\n      // of the document, we will usually not try to push the current position\n      // to the browser history; see `this._tryPushCurrentPosition()`.\n      //\n      // To prevent `this._tryPushCurrentPosition()` from effectively being\n      // reduced to a no-op in this case, we will assume that the position\n      // *did* in fact change if the 'updateviewarea' event was dispatched\n      // more than `POSITION_UPDATED_THRESHOLD` times.\n      this._numPositionUpdates++;\n    }\n\n    if (UPDATE_VIEWAREA_TIMEOUT > 0) {\n      // When closing the browser, a 'pagehide' event will be dispatched which\n      // *should* allow us to push the current position to the browser history.\n      // In practice, it seems that the event is arriving too late in order for\n      // the session history to be successfully updated.\n      // (For additional details, please refer to the discussion in\n      //  https://bugzilla.mozilla.org/show_bug.cgi?id=1153393.)\n      //\n      // To workaround this we attempt to *temporarily* add the current position\n      // to the browser history only when the viewer is *idle*,\n      // i.e. when scrolling and/or zooming does not occur.\n      //\n      // PLEASE NOTE: It's absolutely imperative that the browser history is\n      // *not* updated too often, since that would render the viewer more or\n      // less unusable. Hence the use of a timeout to delay the update until\n      // the viewer has been idle for `UPDATE_VIEWAREA_TIMEOUT` milliseconds.\n      this._updateViewareaTimeout = setTimeout(() => {\n        if (!this._popStateInProgress) {\n          this._tryPushCurrentPosition(/* temporary = */ true);\n        }\n        this._updateViewareaTimeout = null;\n      }, UPDATE_VIEWAREA_TIMEOUT);\n    }\n  }\n\n  /**\n   * @private\n   */\n  _popState({ state }) {\n    const newHash = getCurrentHash(),\n      hashChanged = this._currentHash !== newHash;\n    this._currentHash = newHash;\n\n    if (\n      (typeof PDFJSDev !== \"undefined\" &&\n        PDFJSDev.test(\"CHROME\") &&\n        state &&\n        state.chromecomState &&\n        !this._isValidState(state)) ||\n      !state\n    ) {\n      // This case corresponds to the user changing the hash of the document.\n      this._uid++;\n\n      const { hash, page, rotation } = this._parseCurrentHash();\n      this._pushOrReplaceState(\n        { hash, page, rotation },\n        /* forceReplace = */ true\n      );\n      return;\n    }\n    if (!this._isValidState(state)) {\n      // This should only occur in viewers with support for opening more than\n      // one PDF document, e.g. the GENERIC viewer.\n      return;\n    }\n\n    // Prevent the browser history from updating until the new destination,\n    // as stored in the browser history, has been scrolled into view.\n    this._popStateInProgress = true;\n\n    if (hashChanged) {\n      // When the hash changed, implying that the 'popstate' event will be\n      // followed by a 'hashchange' event, then we do *not* want to update the\n      // browser history when handling the 'hashchange' event (in web/app.js)\n      // since that would *overwrite* the new destination navigated to below.\n      //\n      // To avoid accidentally disabling all future user-initiated hash changes,\n      // if there's e.g. another 'hashchange' listener that stops the event\n      // propagation, we make sure to always force-reset `this._blockHashChange`\n      // after `HASH_CHANGE_TIMEOUT` milliseconds have passed.\n      this._blockHashChange++;\n      waitOnEventOrTimeout({\n        target: window,\n        name: \"hashchange\",\n        delay: HASH_CHANGE_TIMEOUT,\n      }).then(() => {\n        this._blockHashChange--;\n      });\n    }\n\n    // Navigate to the new destination.\n    const destination = state.destination;\n    this._updateInternalState(\n      destination,\n      state.uid,\n      /* removeTemporary = */ true\n    );\n    if (this._uid > this._maxUid) {\n      this._maxUid = this._uid;\n    }\n\n    if (isValidRotation(destination.rotation)) {\n      this.linkService.rotation = destination.rotation;\n    }\n    if (destination.dest) {\n      this.linkService.navigateTo(destination.dest);\n    } else if (destination.hash) {\n      this.linkService.setHash(destination.hash);\n    } else if (destination.page) {\n      // Fallback case; shouldn't be necessary, but better safe than sorry.\n      this.linkService.page = destination.page;\n    }\n\n    // Since `PDFLinkService.navigateTo` is asynchronous, we thus defer the\n    // resetting of `this._popStateInProgress` slightly.\n    Promise.resolve().then(() => {\n      this._popStateInProgress = false;\n    });\n  }\n\n  /**\n   * @private\n   */\n  _pageHide() {\n    // Attempt to push the `this._position` into the browser history when\n    // navigating away from the document. This is *only* done if the history\n    // is empty/temporary, since otherwise an existing browser history entry\n    // will end up being overwritten (given that new entries cannot be pushed\n    // into the browser history when the 'unload' event has already fired).\n    if (!this._destination || this._destination.temporary) {\n      this._tryPushCurrentPosition();\n    }\n  }\n\n  /**\n   * @private\n   */\n  _bindEvents() {\n    if (this._boundEvents) {\n      return; // The event listeners were already added.\n    }\n    this._boundEvents = {\n      updateViewarea: this._updateViewarea.bind(this),\n      popState: this._popState.bind(this),\n      pageHide: this._pageHide.bind(this),\n    };\n\n    this.eventBus._on(\"updateviewarea\", this._boundEvents.updateViewarea);\n    window.addEventListener(\"popstate\", this._boundEvents.popState);\n    window.addEventListener(\"pagehide\", this._boundEvents.pageHide);\n  }\n\n  /**\n   * @private\n   */\n  _unbindEvents() {\n    if (!this._boundEvents) {\n      return; // The event listeners were already removed.\n    }\n    this.eventBus._off(\"updateviewarea\", this._boundEvents.updateViewarea);\n    window.removeEventListener(\"popstate\", this._boundEvents.popState);\n    window.removeEventListener(\"pagehide\", this._boundEvents.pageHide);\n\n    this._boundEvents = null;\n  }\n}\n\nfunction isDestHashesEqual(destHash, pushHash) {\n  if (typeof destHash !== \"string\" || typeof pushHash !== \"string\") {\n    return false;\n  }\n  if (destHash === pushHash) {\n    return true;\n  }\n  const { nameddest } = parseQueryString(destHash);\n  if (nameddest === pushHash) {\n    return true;\n  }\n  return false;\n}\n\nfunction isDestArraysEqual(firstDest, secondDest) {\n  function isEntryEqual(first, second) {\n    if (typeof first !== typeof second) {\n      return false;\n    }\n    if (Array.isArray(first) || Array.isArray(second)) {\n      return false;\n    }\n    if (first !== null && typeof first === \"object\" && second !== null) {\n      if (Object.keys(first).length !== Object.keys(second).length) {\n        return false;\n      }\n      for (const key in first) {\n        if (!isEntryEqual(first[key], second[key])) {\n          return false;\n        }\n      }\n      return true;\n    }\n    return first === second || (Number.isNaN(first) && Number.isNaN(second));\n  }\n\n  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {\n    return false;\n  }\n  if (firstDest.length !== secondDest.length) {\n    return false;\n  }\n  for (let i = 0, ii = firstDest.length; i < ii; i++) {\n    if (!isEntryEqual(firstDest[i], secondDest[i])) {\n      return false;\n    }\n  }\n  return true;\n}\n\nexport { PDFHistory, isDestHashesEqual, isDestArraysEqual };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  approximateFraction,\n  CSS_UNITS,\n  DEFAULT_SCALE,\n  getOutputScale,\n  NullL10n,\n  RendererType,\n  roundToDivide,\n  TextLayerMode,\n} from \"./ui_utils.js\";\nimport {\n  createPromiseCapability,\n  RenderingCancelledException,\n  SVGGraphics,\n} from \"pdfjs-lib\";\nimport { RenderingStates } from \"./pdf_rendering_queue.js\";\nimport { viewerCompatibilityParams } from \"./viewer_compatibility.js\";\n\n/**\n * @typedef {Object} PDFPageViewOptions\n * @property {HTMLDivElement} container - The viewer element.\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} id - The page unique ID (normally its number).\n * @property {number} scale - The page scale display.\n * @property {PageViewport} defaultViewport - The page viewport.\n * @property {AnnotationStorage} [annotationStorage] - Storage for annotation\n *   data in forms. The default value is `null`.\n * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -\n *   A promise that is resolved with an {@link OptionalContentConfig} instance.\n *   The default value is `null`.\n * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.\n * @property {IPDFTextLayerFactory} textLayerFactory\n * @property {number} [textLayerMode] - Controls if the text layer used for\n *   selection and searching is created, and if the improved text selection\n *   behaviour is enabled. The constants from {TextLayerMode} should be used.\n *   The default value is `TextLayerMode.ENABLE`.\n * @property {IPDFAnnotationLayerFactory} annotationLayerFactory\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   for annotation icons. Include trailing slash.\n * @property {boolean} renderInteractiveForms - Turns on rendering of\n *   interactive form elements. The default value is `true`.\n * @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [useOnlyCssZoom] - Enables CSS only zooming. The default\n *   value is `false`.\n * @property {number} [maxCanvasPixels] - The maximum supported canvas size in\n *   total pixels, i.e. width * height. Use -1 for no limit. The default value\n *   is 4096 * 4096 (16 mega-pixels).\n * @property {IL10n} l10n - Localization service.\n */\n\nconst MAX_CANVAS_PIXELS = viewerCompatibilityParams.maxCanvasPixels || 16777216;\n\n/**\n * @implements {IRenderableView}\n */\nclass PDFPageView {\n  /**\n   * @param {PDFPageViewOptions} options\n   */\n  constructor(options) {\n    const container = options.container;\n    const defaultViewport = options.defaultViewport;\n\n    this.id = options.id;\n    this.renderingId = \"page\" + this.id;\n\n    this.pdfPage = null;\n    this.pageLabel = null;\n    this.rotation = 0;\n    this.scale = options.scale || DEFAULT_SCALE;\n    this.viewport = defaultViewport;\n    this.pdfPageRotate = defaultViewport.rotation;\n    this._annotationStorage = options.annotationStorage || null;\n    this._optionalContentConfigPromise =\n      options.optionalContentConfigPromise || null;\n    this.hasRestrictedScaling = false;\n    this.textLayerMode = Number.isInteger(options.textLayerMode)\n      ? options.textLayerMode\n      : TextLayerMode.ENABLE;\n    this.imageResourcesPath = options.imageResourcesPath || \"\";\n    this.renderInteractiveForms =\n      typeof options.renderInteractiveForms === \"boolean\"\n        ? options.renderInteractiveForms\n        : true;\n    this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;\n\n    this.eventBus = options.eventBus;\n    this.renderingQueue = options.renderingQueue;\n    this.textLayerFactory = options.textLayerFactory;\n    this.annotationLayerFactory = options.annotationLayerFactory;\n    this.renderer = options.renderer || RendererType.CANVAS;\n    this.enableWebGL = options.enableWebGL || false;\n    this.l10n = options.l10n || NullL10n;\n\n    this.paintTask = null;\n    this.paintedViewportMap = new WeakMap();\n    this.renderingState = RenderingStates.INITIAL;\n    this.resume = null;\n    this.error = null;\n\n    this.annotationLayer = null;\n    this.textLayer = null;\n    this.zoomLayer = null;\n\n    const div = document.createElement(\"div\");\n    div.className = \"page\";\n    div.style.width = Math.floor(this.viewport.width) + \"px\";\n    div.style.height = Math.floor(this.viewport.height) + \"px\";\n    div.setAttribute(\"data-page-number\", this.id);\n    this.div = div;\n\n    container.appendChild(div);\n  }\n\n  setPdfPage(pdfPage) {\n    this.pdfPage = pdfPage;\n    this.pdfPageRotate = pdfPage.rotate;\n\n    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n    this.viewport = pdfPage.getViewport({\n      scale: this.scale * CSS_UNITS,\n      rotation: totalRotation,\n    });\n    this.stats = pdfPage.stats;\n    this.reset();\n  }\n\n  destroy() {\n    this.reset();\n    if (this.pdfPage) {\n      this.pdfPage.cleanup();\n    }\n  }\n\n  /**\n   * @private\n   */\n  async _renderAnnotationLayer() {\n    let error = null;\n    try {\n      await this.annotationLayer.render(this.viewport, \"display\");\n    } catch (ex) {\n      error = ex;\n    } finally {\n      this.eventBus.dispatch(\"annotationlayerrendered\", {\n        source: this,\n        pageNumber: this.id,\n        error,\n      });\n    }\n  }\n\n  /**\n   * @private\n   */\n  _resetZoomLayer(removeFromDOM = false) {\n    if (!this.zoomLayer) {\n      return;\n    }\n    const zoomLayerCanvas = this.zoomLayer.firstChild;\n    this.paintedViewportMap.delete(zoomLayerCanvas);\n    // Zeroing the width and height causes Firefox to release graphics\n    // resources immediately, which can greatly reduce memory consumption.\n    zoomLayerCanvas.width = 0;\n    zoomLayerCanvas.height = 0;\n\n    if (removeFromDOM) {\n      // Note: `ChildNode.remove` doesn't throw if the parent node is undefined.\n      this.zoomLayer.remove();\n    }\n    this.zoomLayer = null;\n  }\n\n  reset(keepZoomLayer = false, keepAnnotations = false) {\n    this.cancelRendering(keepAnnotations);\n    this.renderingState = RenderingStates.INITIAL;\n\n    const div = this.div;\n    div.style.width = Math.floor(this.viewport.width) + \"px\";\n    div.style.height = Math.floor(this.viewport.height) + \"px\";\n\n    const childNodes = div.childNodes;\n    const currentZoomLayerNode = (keepZoomLayer && this.zoomLayer) || null;\n    const currentAnnotationNode =\n      (keepAnnotations && this.annotationLayer && this.annotationLayer.div) ||\n      null;\n    for (let i = childNodes.length - 1; i >= 0; i--) {\n      const node = childNodes[i];\n      if (currentZoomLayerNode === node || currentAnnotationNode === node) {\n        continue;\n      }\n      div.removeChild(node);\n    }\n    div.removeAttribute(\"data-loaded\");\n\n    if (currentAnnotationNode) {\n      // Hide the annotation layer until all elements are resized\n      // so they are not displayed on the already resized page.\n      this.annotationLayer.hide();\n    } else if (this.annotationLayer) {\n      this.annotationLayer.cancel();\n      this.annotationLayer = null;\n    }\n\n    if (!currentZoomLayerNode) {\n      if (this.canvas) {\n        this.paintedViewportMap.delete(this.canvas);\n        // Zeroing the width and height causes Firefox to release graphics\n        // resources immediately, which can greatly reduce memory consumption.\n        this.canvas.width = 0;\n        this.canvas.height = 0;\n        delete this.canvas;\n      }\n      this._resetZoomLayer();\n    }\n    if (this.svg) {\n      this.paintedViewportMap.delete(this.svg);\n      delete this.svg;\n    }\n\n    this.loadingIconDiv = document.createElement(\"div\");\n    this.loadingIconDiv.className = \"loadingIcon\";\n    div.appendChild(this.loadingIconDiv);\n  }\n\n  update(scale, rotation, optionalContentConfigPromise = null) {\n    this.scale = scale || this.scale;\n    // The rotation may be zero.\n    if (typeof rotation !== \"undefined\") {\n      this.rotation = rotation;\n    }\n    if (optionalContentConfigPromise instanceof Promise) {\n      this._optionalContentConfigPromise = optionalContentConfigPromise;\n    }\n\n    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n    this.viewport = this.viewport.clone({\n      scale: this.scale * CSS_UNITS,\n      rotation: totalRotation,\n    });\n\n    if (this.svg) {\n      this.cssTransform(this.svg, true);\n\n      this.eventBus.dispatch(\"pagerendered\", {\n        source: this,\n        pageNumber: this.id,\n        cssTransform: true,\n        timestamp: performance.now(),\n      });\n      return;\n    }\n\n    let isScalingRestricted = false;\n    if (this.canvas && this.maxCanvasPixels > 0) {\n      const outputScale = this.outputScale;\n      if (\n        ((Math.floor(this.viewport.width) * outputScale.sx) | 0) *\n          ((Math.floor(this.viewport.height) * outputScale.sy) | 0) >\n        this.maxCanvasPixels\n      ) {\n        isScalingRestricted = true;\n      }\n    }\n\n    if (this.canvas) {\n      if (\n        this.useOnlyCssZoom ||\n        (this.hasRestrictedScaling && isScalingRestricted)\n      ) {\n        this.cssTransform(this.canvas, true);\n\n        this.eventBus.dispatch(\"pagerendered\", {\n          source: this,\n          pageNumber: this.id,\n          cssTransform: true,\n          timestamp: performance.now(),\n        });\n        return;\n      }\n      if (!this.zoomLayer && !this.canvas.hasAttribute(\"hidden\")) {\n        this.zoomLayer = this.canvas.parentNode;\n        this.zoomLayer.style.position = \"absolute\";\n      }\n    }\n    if (this.zoomLayer) {\n      this.cssTransform(this.zoomLayer.firstChild);\n    }\n    this.reset(/* keepZoomLayer = */ true, /* keepAnnotations = */ true);\n  }\n\n  /**\n   * PLEASE NOTE: Most likely you want to use the `this.reset()` method,\n   *              rather than calling this one directly.\n   */\n  cancelRendering(keepAnnotations = false) {\n    if (this.paintTask) {\n      this.paintTask.cancel();\n      this.paintTask = null;\n    }\n    this.resume = null;\n\n    if (this.textLayer) {\n      this.textLayer.cancel();\n      this.textLayer = null;\n    }\n    if (!keepAnnotations && this.annotationLayer) {\n      this.annotationLayer.cancel();\n      this.annotationLayer = null;\n    }\n  }\n\n  cssTransform(target, redrawAnnotations = false) {\n    // Scale target (canvas or svg), its wrapper and page container.\n    const width = this.viewport.width;\n    const height = this.viewport.height;\n    const div = this.div;\n    target.style.width = target.parentNode.style.width = div.style.width =\n      Math.floor(width) + \"px\";\n    target.style.height = target.parentNode.style.height = div.style.height =\n      Math.floor(height) + \"px\";\n    // The canvas may have been originally rotated; rotate relative to that.\n    const relativeRotation =\n      this.viewport.rotation - this.paintedViewportMap.get(target).rotation;\n    const absRotation = Math.abs(relativeRotation);\n    let scaleX = 1,\n      scaleY = 1;\n    if (absRotation === 90 || absRotation === 270) {\n      // Scale x and y because of the rotation.\n      scaleX = height / width;\n      scaleY = width / height;\n    }\n    const cssTransform =\n      \"rotate(\" +\n      relativeRotation +\n      \"deg) \" +\n      \"scale(\" +\n      scaleX +\n      \",\" +\n      scaleY +\n      \")\";\n    target.style.transform = cssTransform;\n\n    if (this.textLayer) {\n      // Rotating the text layer is more complicated since the divs inside the\n      // the text layer are rotated.\n      // TODO: This could probably be simplified by drawing the text layer in\n      // one orientation and then rotating overall.\n      const textLayerViewport = this.textLayer.viewport;\n      const textRelativeRotation =\n        this.viewport.rotation - textLayerViewport.rotation;\n      const textAbsRotation = Math.abs(textRelativeRotation);\n      let scale = width / textLayerViewport.width;\n      if (textAbsRotation === 90 || textAbsRotation === 270) {\n        scale = width / textLayerViewport.height;\n      }\n      const textLayerDiv = this.textLayer.textLayerDiv;\n      let transX, transY;\n      switch (textAbsRotation) {\n        case 0:\n          transX = transY = 0;\n          break;\n        case 90:\n          transX = 0;\n          transY = \"-\" + textLayerDiv.style.height;\n          break;\n        case 180:\n          transX = \"-\" + textLayerDiv.style.width;\n          transY = \"-\" + textLayerDiv.style.height;\n          break;\n        case 270:\n          transX = \"-\" + textLayerDiv.style.width;\n          transY = 0;\n          break;\n        default:\n          console.error(\"Bad rotation value.\");\n          break;\n      }\n\n      textLayerDiv.style.transform =\n        \"rotate(\" +\n        textAbsRotation +\n        \"deg) \" +\n        \"scale(\" +\n        scale +\n        \", \" +\n        scale +\n        \") \" +\n        \"translate(\" +\n        transX +\n        \", \" +\n        transY +\n        \")\";\n      textLayerDiv.style.transformOrigin = \"0% 0%\";\n    }\n\n    if (redrawAnnotations && this.annotationLayer) {\n      this._renderAnnotationLayer();\n    }\n  }\n\n  get width() {\n    return this.viewport.width;\n  }\n\n  get height() {\n    return this.viewport.height;\n  }\n\n  getPagePoint(x, y) {\n    return this.viewport.convertToPdfPoint(x, y);\n  }\n\n  draw() {\n    if (this.renderingState !== RenderingStates.INITIAL) {\n      console.error(\"Must be in new state before drawing\");\n      this.reset(); // Ensure that we reset all state to prevent issues.\n    }\n    const { div, pdfPage } = this;\n\n    if (!pdfPage) {\n      this.renderingState = RenderingStates.FINISHED;\n\n      if (this.loadingIconDiv) {\n        div.removeChild(this.loadingIconDiv);\n        delete this.loadingIconDiv;\n      }\n      return Promise.reject(new Error(\"pdfPage is not loaded\"));\n    }\n\n    this.renderingState = RenderingStates.RUNNING;\n\n    // Wrap the canvas so that if it has a CSS transform for high DPI the\n    // overflow will be hidden in Firefox.\n    const canvasWrapper = document.createElement(\"div\");\n    canvasWrapper.style.width = div.style.width;\n    canvasWrapper.style.height = div.style.height;\n    canvasWrapper.classList.add(\"canvasWrapper\");\n\n    if (this.annotationLayer && this.annotationLayer.div) {\n      // The annotation layer needs to stay on top.\n      div.insertBefore(canvasWrapper, this.annotationLayer.div);\n    } else {\n      div.appendChild(canvasWrapper);\n    }\n\n    let textLayer = null;\n    if (this.textLayerMode !== TextLayerMode.DISABLE && this.textLayerFactory) {\n      const textLayerDiv = document.createElement(\"div\");\n      textLayerDiv.className = \"textLayer\";\n      textLayerDiv.style.width = canvasWrapper.style.width;\n      textLayerDiv.style.height = canvasWrapper.style.height;\n      if (this.annotationLayer && this.annotationLayer.div) {\n        // The annotation layer needs to stay on top.\n        div.insertBefore(textLayerDiv, this.annotationLayer.div);\n      } else {\n        div.appendChild(textLayerDiv);\n      }\n\n      textLayer = this.textLayerFactory.createTextLayerBuilder(\n        textLayerDiv,\n        this.id - 1,\n        this.viewport,\n        this.textLayerMode === TextLayerMode.ENABLE_ENHANCE,\n        this.eventBus\n      );\n    }\n    this.textLayer = textLayer;\n\n    let renderContinueCallback = null;\n    if (this.renderingQueue) {\n      renderContinueCallback = cont => {\n        if (!this.renderingQueue.isHighestPriority(this)) {\n          this.renderingState = RenderingStates.PAUSED;\n          this.resume = () => {\n            this.renderingState = RenderingStates.RUNNING;\n            cont();\n          };\n          return;\n        }\n        cont();\n      };\n    }\n\n    const finishPaintTask = async error => {\n      // The paintTask may have been replaced by a new one, so only remove\n      // the reference to the paintTask if it matches the one that is\n      // triggering this callback.\n      if (paintTask === this.paintTask) {\n        this.paintTask = null;\n      }\n\n      if (error instanceof RenderingCancelledException) {\n        this.error = null;\n        return;\n      }\n\n      this.renderingState = RenderingStates.FINISHED;\n\n      if (this.loadingIconDiv) {\n        div.removeChild(this.loadingIconDiv);\n        delete this.loadingIconDiv;\n      }\n      this._resetZoomLayer(/* removeFromDOM = */ true);\n\n      this.error = error;\n      this.stats = pdfPage.stats;\n\n      this.eventBus.dispatch(\"pagerendered\", {\n        source: this,\n        pageNumber: this.id,\n        cssTransform: false,\n        timestamp: performance.now(),\n      });\n\n      if (error) {\n        throw error;\n      }\n    };\n\n    const paintTask =\n      this.renderer === RendererType.SVG\n        ? this.paintOnSvg(canvasWrapper)\n        : this.paintOnCanvas(canvasWrapper);\n    paintTask.onRenderContinue = renderContinueCallback;\n    this.paintTask = paintTask;\n\n    const resultPromise = paintTask.promise.then(\n      function () {\n        return finishPaintTask(null).then(function () {\n          if (textLayer) {\n            const readableStream = pdfPage.streamTextContent({\n              normalizeWhitespace: true,\n            });\n            textLayer.setTextContentStream(readableStream);\n            textLayer.render();\n          }\n        });\n      },\n      function (reason) {\n        return finishPaintTask(reason);\n      }\n    );\n\n    if (this.annotationLayerFactory) {\n      if (!this.annotationLayer) {\n        this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(\n          div,\n          pdfPage,\n          this._annotationStorage,\n          this.imageResourcesPath,\n          this.renderInteractiveForms,\n          this.l10n\n        );\n      }\n      this._renderAnnotationLayer();\n    }\n    div.setAttribute(\"data-loaded\", true);\n\n    this.eventBus.dispatch(\"pagerender\", {\n      source: this,\n      pageNumber: this.id,\n    });\n    return resultPromise;\n  }\n\n  paintOnCanvas(canvasWrapper) {\n    const renderCapability = createPromiseCapability();\n    const result = {\n      promise: renderCapability.promise,\n      onRenderContinue(cont) {\n        cont();\n      },\n      cancel() {\n        renderTask.cancel();\n      },\n    };\n\n    const viewport = this.viewport;\n    const canvas = document.createElement(\"canvas\");\n    this.l10n\n      .get(\"page_canvas\", { page: this.id }, \"Page {{page}}\")\n      .then(msg => {\n        canvas.setAttribute(\"aria-label\", msg);\n      });\n\n    // Keep the canvas hidden until the first draw callback, or until drawing\n    // is complete when `!this.renderingQueue`, to prevent black flickering.\n    canvas.setAttribute(\"hidden\", \"hidden\");\n    let isCanvasHidden = true;\n    const showCanvas = function () {\n      if (isCanvasHidden) {\n        canvas.removeAttribute(\"hidden\");\n        isCanvasHidden = false;\n      }\n    };\n\n    canvasWrapper.appendChild(canvas);\n    this.canvas = canvas;\n\n    if (\n      typeof PDFJSDev === \"undefined\" ||\n      PDFJSDev.test(\"MOZCENTRAL || GENERIC\")\n    ) {\n      canvas.mozOpaque = true;\n    }\n\n    const ctx = canvas.getContext(\"2d\", { alpha: false });\n    const outputScale = getOutputScale(ctx);\n    this.outputScale = outputScale;\n\n    if (this.useOnlyCssZoom) {\n      const actualSizeViewport = viewport.clone({ scale: CSS_UNITS });\n      // Use a scale that makes the canvas have the originally intended size\n      // of the page.\n      outputScale.sx *= actualSizeViewport.width / viewport.width;\n      outputScale.sy *= actualSizeViewport.height / viewport.height;\n      outputScale.scaled = true;\n    }\n\n    if (this.maxCanvasPixels > 0) {\n      const pixelsInViewport = viewport.width * viewport.height;\n      const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);\n      if (outputScale.sx > maxScale || outputScale.sy > maxScale) {\n        outputScale.sx = maxScale;\n        outputScale.sy = maxScale;\n        outputScale.scaled = true;\n        this.hasRestrictedScaling = true;\n      } else {\n        this.hasRestrictedScaling = false;\n      }\n    }\n\n    const sfx = approximateFraction(outputScale.sx);\n    const sfy = approximateFraction(outputScale.sy);\n    canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);\n    canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);\n    canvas.style.width = roundToDivide(viewport.width, sfx[1]) + \"px\";\n    canvas.style.height = roundToDivide(viewport.height, sfy[1]) + \"px\";\n    // Add the viewport so it's known what it was originally drawn with.\n    this.paintedViewportMap.set(canvas, viewport);\n\n    // Rendering area\n    const transform = !outputScale.scaled\n      ? null\n      : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];\n    const renderContext = {\n      canvasContext: ctx,\n      transform,\n      viewport: this.viewport,\n      enableWebGL: this.enableWebGL,\n      renderInteractiveForms: this.renderInteractiveForms,\n      optionalContentConfigPromise: this._optionalContentConfigPromise,\n    };\n    const renderTask = this.pdfPage.render(renderContext);\n    renderTask.onContinue = function (cont) {\n      showCanvas();\n      if (result.onRenderContinue) {\n        result.onRenderContinue(cont);\n      } else {\n        cont();\n      }\n    };\n\n    renderTask.promise.then(\n      function () {\n        showCanvas();\n        renderCapability.resolve(undefined);\n      },\n      function (error) {\n        showCanvas();\n        renderCapability.reject(error);\n      }\n    );\n    return result;\n  }\n\n  paintOnSvg(wrapper) {\n    if (\n      typeof PDFJSDev !== \"undefined\" &&\n      PDFJSDev.test(\"MOZCENTRAL || CHROME\")\n    ) {\n      // Return a mock object, to prevent errors such as e.g.\n      // \"TypeError: paintTask.promise is undefined\".\n      return {\n        promise: Promise.reject(new Error(\"SVG rendering is not supported.\")),\n        onRenderContinue(cont) {},\n        cancel() {},\n      };\n    }\n\n    let cancelled = false;\n    const ensureNotCancelled = () => {\n      if (cancelled) {\n        throw new RenderingCancelledException(\n          `Rendering cancelled, page ${this.id}`,\n          \"svg\"\n        );\n      }\n    };\n\n    const pdfPage = this.pdfPage;\n    const actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS });\n    const promise = pdfPage.getOperatorList().then(opList => {\n      ensureNotCancelled();\n      const svgGfx = new SVGGraphics(pdfPage.commonObjs, pdfPage.objs);\n      return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {\n        ensureNotCancelled();\n        this.svg = svg;\n        this.paintedViewportMap.set(svg, actualSizeViewport);\n\n        svg.style.width = wrapper.style.width;\n        svg.style.height = wrapper.style.height;\n        this.renderingState = RenderingStates.FINISHED;\n        wrapper.appendChild(svg);\n      });\n    });\n\n    return {\n      promise,\n      onRenderContinue(cont) {\n        cont();\n      },\n      cancel() {\n        cancelled = true;\n      },\n    };\n  }\n\n  /**\n   * @param {string|null} label\n   */\n  setPageLabel(label) {\n    this.pageLabel = typeof label === \"string\" ? label : null;\n\n    if (this.pageLabel !== null) {\n      this.div.setAttribute(\"data-page-label\", this.pageLabel);\n    } else {\n      this.div.removeAttribute(\"data-page-label\");\n    }\n  }\n}\n\nexport { PDFPageView };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst CLEANUP_TIMEOUT = 30000;\n\nconst RenderingStates = {\n  INITIAL: 0,\n  RUNNING: 1,\n  PAUSED: 2,\n  FINISHED: 3,\n};\n\n/**\n * Controls rendering of the views for pages and thumbnails.\n */\nclass PDFRenderingQueue {\n  constructor() {\n    this.pdfViewer = null;\n    this.pdfThumbnailViewer = null;\n    this.onIdle = null;\n    this.highestPriorityPage = null;\n    this.idleTimeout = null;\n    this.printing = false;\n    this.isThumbnailViewEnabled = false;\n  }\n\n  /**\n   * @param {PDFViewer} pdfViewer\n   */\n  setViewer(pdfViewer) {\n    this.pdfViewer = pdfViewer;\n  }\n\n  /**\n   * @param {PDFThumbnailViewer} pdfThumbnailViewer\n   */\n  setThumbnailViewer(pdfThumbnailViewer) {\n    this.pdfThumbnailViewer = pdfThumbnailViewer;\n  }\n\n  /**\n   * @param {IRenderableView} view\n   * @returns {boolean}\n   */\n  isHighestPriority(view) {\n    return this.highestPriorityPage === view.renderingId;\n  }\n\n  /**\n   * @param {Object} currentlyVisiblePages\n   */\n  renderHighestPriority(currentlyVisiblePages) {\n    if (this.idleTimeout) {\n      clearTimeout(this.idleTimeout);\n      this.idleTimeout = null;\n    }\n\n    // Pages have a higher priority than thumbnails, so check them first.\n    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {\n      return;\n    }\n    // No pages needed rendering, so check thumbnails.\n    if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {\n      if (this.pdfThumbnailViewer.forceRendering()) {\n        return;\n      }\n    }\n\n    if (this.printing) {\n      // If printing is currently ongoing do not reschedule cleanup.\n      return;\n    }\n\n    if (this.onIdle) {\n      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);\n    }\n  }\n\n  /**\n   * @param {Object} visible\n   * @param {Array} views\n   * @param {boolean} scrolledDown\n   */\n  getHighestPriority(visible, views, scrolledDown) {\n    /**\n     * The state has changed. Figure out which page has the highest priority to\n     * render next (if any).\n     *\n     * Priority:\n     * 1. visible pages\n     * 2. if last scrolled down, the page after the visible pages, or\n     *    if last scrolled up, the page before the visible pages\n     */\n    const visibleViews = visible.views;\n\n    const numVisible = visibleViews.length;\n    if (numVisible === 0) {\n      return null;\n    }\n    for (let i = 0; i < numVisible; ++i) {\n      const view = visibleViews[i].view;\n      if (!this.isViewFinished(view)) {\n        return view;\n      }\n    }\n\n    // All the visible views have rendered; try to render next/previous pages.\n    if (scrolledDown) {\n      const nextPageIndex = visible.last.id;\n      // IDs start at 1, so no need to add 1.\n      if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {\n        return views[nextPageIndex];\n      }\n    } else {\n      const previousPageIndex = visible.first.id - 2;\n      if (\n        views[previousPageIndex] &&\n        !this.isViewFinished(views[previousPageIndex])\n      ) {\n        return views[previousPageIndex];\n      }\n    }\n    // Everything that needs to be rendered has been.\n    return null;\n  }\n\n  /**\n   * @param {IRenderableView} view\n   * @returns {boolean}\n   */\n  isViewFinished(view) {\n    return view.renderingState === RenderingStates.FINISHED;\n  }\n\n  /**\n   * Render a page or thumbnail view. This calls the appropriate function\n   * based on the views state. If the view is already rendered it will return\n   * `false`.\n   *\n   * @param {IRenderableView} view\n   */\n  renderView(view) {\n    switch (view.renderingState) {\n      case RenderingStates.FINISHED:\n        return false;\n      case RenderingStates.PAUSED:\n        this.highestPriorityPage = view.renderingId;\n        view.resume();\n        break;\n      case RenderingStates.RUNNING:\n        this.highestPriorityPage = view.renderingId;\n        break;\n      case RenderingStates.INITIAL:\n        this.highestPriorityPage = view.renderingId;\n        view\n          .draw()\n          .finally(() => {\n            this.renderHighestPriority();\n          })\n          .catch(reason => {\n            console.error(`renderView: \"${reason}\"`);\n          });\n        break;\n    }\n    return true;\n  }\n}\n\nexport { RenderingStates, PDFRenderingQueue };\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseViewer } from \"./base_viewer.js\";\nimport { shadow } from \"pdfjs-lib\";\n\nclass PDFSinglePageViewer extends BaseViewer {\n  constructor(options) {\n    super(options);\n\n    this.eventBus._on(\"pagesinit\", evt => {\n      // Since the pages are placed in a `DocumentFragment`, make sure that\n      // the current page becomes visible upon loading of the document.\n      this._ensurePageViewVisible();\n    });\n  }\n\n  get _viewerElement() {\n    // Since we only want to display *one* page at a time when using the\n    // `PDFSinglePageViewer`, we cannot append them to the `viewer` DOM element.\n    // Instead, they are placed in a `DocumentFragment`, and only the current\n    // page is displayed in the viewer (refer to `this._ensurePageViewVisible`).\n    return shadow(this, \"_viewerElement\", this._shadowViewer);\n  }\n\n  _resetView() {\n    super._resetView();\n    this._previousPageNumber = 1;\n    this._shadowViewer = document.createDocumentFragment();\n    this._updateScrollDown = null;\n  }\n\n  _ensurePageViewVisible() {\n    const pageView = this._pages[this._currentPageNumber - 1];\n    const previousPageView = this._pages[this._previousPageNumber - 1];\n\n    const viewerNodes = this.viewer.childNodes;\n    switch (viewerNodes.length) {\n      case 0: // Should *only* occur on initial loading.\n        this.viewer.appendChild(pageView.div);\n        break;\n      case 1: // The normal page-switching case.\n        if (viewerNodes[0] !== previousPageView.div) {\n          throw new Error(\n            \"_ensurePageViewVisible: Unexpected previously visible page.\"\n          );\n        }\n        if (pageView === previousPageView) {\n          break; // The correct page is already visible.\n        }\n        // Switch visible pages, and reset the viewerContainer scroll position.\n        this._shadowViewer.appendChild(previousPageView.div);\n        this.viewer.appendChild(pageView.div);\n\n        this.container.scrollTop = 0;\n        break;\n      default:\n        throw new Error(\n          \"_ensurePageViewVisible: Only one page should be visible at a time.\"\n        );\n    }\n    this._previousPageNumber = this._currentPageNumber;\n  }\n\n  _scrollUpdate() {\n    if (this._updateScrollDown) {\n      this._updateScrollDown();\n    }\n    super._scrollUpdate();\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    if (pageNumber) {\n      // Ensure that `this._currentPageNumber` is correct.\n      this._setCurrentPageNumber(pageNumber);\n    }\n    const scrolledDown = this._currentPageNumber >= this._previousPageNumber;\n\n    this._ensurePageViewVisible();\n    // Ensure that rendering always occurs, to avoid showing a blank page,\n    // even if the current position doesn't change when the page is scrolled.\n    this.update();\n\n    super._scrollIntoView({ pageDiv, pageSpot, pageNumber });\n\n    // Since scrolling is tracked using `requestAnimationFrame`, update the\n    // scroll direction during the next `this._scrollUpdate` invocation.\n    this._updateScrollDown = () => {\n      this.scroll.down = scrolledDown;\n      this._updateScrollDown = null;\n    };\n  }\n\n  _getVisiblePages() {\n    return this._getCurrentVisiblePage();\n  }\n\n  _updateHelper(visiblePages) {}\n\n  get _isScrollModeHorizontal() {\n    // The Scroll/Spread modes are never used in `PDFSinglePageViewer`.\n    return shadow(this, \"_isScrollModeHorizontal\", false);\n  }\n\n  _updateScrollMode() {}\n\n  _updateSpreadMode() {}\n}\n\nexport { PDFSinglePageViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CSS_UNITS,\n  DEFAULT_SCALE,\n  DEFAULT_SCALE_VALUE,\n  getVisibleElements,\n  isPortraitOrientation,\n  isValidRotation,\n  isValidScrollMode,\n  isValidSpreadMode,\n  MAX_AUTO_SCALE,\n  moveToEndOfArray,\n  NullL10n,\n  PresentationModeState,\n  RendererType,\n  SCROLLBAR_PADDING,\n  scrollIntoView,\n  ScrollMode,\n  SpreadMode,\n  TextLayerMode,\n  UNKNOWN_SCALE,\n  VERTICAL_PADDING,\n  watchScroll,\n} from \"./ui_utils.js\";\nimport { PDFRenderingQueue, RenderingStates } from \"./pdf_rendering_queue.js\";\nimport { AnnotationLayerBuilder } from \"./annotation_layer_builder.js\";\nimport { createPromiseCapability } from \"pdfjs-lib\";\nimport { PDFPageView } from \"./pdf_page_view.js\";\nimport { SimpleLinkService } from \"./pdf_link_service.js\";\nimport { TextLayerBuilder } from \"./text_layer_builder.js\";\n\nconst DEFAULT_CACHE_SIZE = 10;\n\n/**\n * @typedef {Object} PDFViewerOptions\n * @property {HTMLDivElement} container - The container for the viewer element.\n * @property {HTMLDivElement} [viewer] - The viewer element.\n * @property {EventBus} eventBus - The application event bus.\n * @property {IPDFLinkService} linkService - The navigation/linking service.\n * @property {DownloadManager} [downloadManager] - The download manager\n *   component.\n * @property {PDFFindController} [findController] - The find controller\n *   component.\n * @property {PDFRenderingQueue} [renderingQueue] - The rendering queue object.\n * @property {boolean} [removePageBorders] - Removes the border shadow around\n *   the pages. The default value is `false`.\n * @property {number} [textLayerMode] - Controls if the text layer used for\n *   selection and searching is created, and if the improved text selection\n *   behaviour is enabled. The constants from {TextLayerMode} should be used.\n *   The default value is `TextLayerMode.ENABLE`.\n * @property {string} [imageResourcesPath] - Path for image resources, mainly\n *   mainly for annotation icons. Include trailing slash.\n * @property {boolean} [renderInteractiveForms] - Enables rendering of\n *   interactive form elements. The default value is `true`.\n * @property {boolean} [enablePrintAutoRotate] - Enables automatic rotation of\n *   landscape pages upon printing. The default is `false`.\n * @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.\n * @property {boolean} [enableWebGL] - Enables WebGL accelerated rendering for\n *   some operations. The default value is `false`.\n * @property {boolean} [useOnlyCssZoom] - Enables CSS only zooming. The default\n *   value is `false`.\n * @property {number} [maxCanvasPixels] - The maximum supported canvas size in\n *   total pixels, i.e. width * height. Use -1 for no limit. The default value\n *   is 4096 * 4096 (16 mega-pixels).\n * @property {IL10n} l10n - Localization service.\n */\n\nfunction PDFPageViewBuffer(size) {\n  const data = [];\n  this.push = function (view) {\n    const i = data.indexOf(view);\n    if (i >= 0) {\n      data.splice(i, 1);\n    }\n    data.push(view);\n    if (data.length > size) {\n      data.shift().destroy();\n    }\n  };\n  /**\n   * After calling resize, the size of the buffer will be newSize. The optional\n   * parameter pagesToKeep is, if present, an array of pages to push to the back\n   * of the buffer, delaying their destruction. The size of pagesToKeep has no\n   * impact on the final size of the buffer; if pagesToKeep has length larger\n   * than newSize, some of those pages will be destroyed anyway.\n   */\n  this.resize = function (newSize, pagesToKeep) {\n    size = newSize;\n    if (pagesToKeep) {\n      const pageIdsToKeep = new Set();\n      for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {\n        pageIdsToKeep.add(pagesToKeep[i].id);\n      }\n      moveToEndOfArray(data, function (page) {\n        return pageIdsToKeep.has(page.id);\n      });\n    }\n    while (data.length > size) {\n      data.shift().destroy();\n    }\n  };\n}\n\nfunction isSameScale(oldScale, newScale) {\n  if (newScale === oldScale) {\n    return true;\n  }\n  if (Math.abs(newScale - oldScale) < 1e-15) {\n    // Prevent unnecessary re-rendering of all pages when the scale\n    // changes only because of limited numerical precision.\n    return true;\n  }\n  return false;\n}\n\n/**\n * Simple viewer control to display PDF content/pages.\n * @implements {IRenderableView}\n */\nclass BaseViewer {\n  /**\n   * @param {PDFViewerOptions} options\n   */\n  constructor(options) {\n    if (this.constructor === BaseViewer) {\n      throw new Error(\"Cannot initialize BaseViewer.\");\n    }\n    this._name = this.constructor.name;\n\n    this.container = options.container;\n    this.viewer = options.viewer || options.container.firstElementChild;\n\n    if (\n      (typeof PDFJSDev === \"undefined\" ||\n        PDFJSDev.test(\"!PRODUCTION || GENERIC\")) &&\n      !(\n        this.container instanceof HTMLDivElement &&\n        this.viewer instanceof HTMLDivElement\n      )\n    ) {\n      throw new Error(\"Invalid `container` and/or `viewer` option.\");\n    }\n    this.eventBus = options.eventBus;\n    this.linkService = options.linkService || new SimpleLinkService();\n    this.downloadManager = options.downloadManager || null;\n    this.findController = options.findController || null;\n    this.removePageBorders = options.removePageBorders || false;\n    this.textLayerMode = Number.isInteger(options.textLayerMode)\n      ? options.textLayerMode\n      : TextLayerMode.ENABLE;\n    this.imageResourcesPath = options.imageResourcesPath || \"\";\n    this.renderInteractiveForms =\n      typeof options.renderInteractiveForms === \"boolean\"\n        ? options.renderInteractiveForms\n        : true;\n    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;\n    this.renderer = options.renderer || RendererType.CANVAS;\n    this.enableWebGL = options.enableWebGL || false;\n    this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n    this.maxCanvasPixels = options.maxCanvasPixels;\n    this.l10n = options.l10n || NullL10n;\n\n    this.defaultRenderingQueue = !options.renderingQueue;\n    if (this.defaultRenderingQueue) {\n      // Custom rendering queue is not specified, using default one\n      this.renderingQueue = new PDFRenderingQueue();\n      this.renderingQueue.setViewer(this);\n    } else {\n      this.renderingQueue = options.renderingQueue;\n    }\n\n    this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));\n    this.presentationModeState = PresentationModeState.UNKNOWN;\n    this._onBeforeDraw = this._onAfterDraw = null;\n    this._resetView();\n\n    if (this.removePageBorders) {\n      this.viewer.classList.add(\"removePageBorders\");\n    }\n    // Defer the dispatching of this event, to give other viewer components\n    // time to initialize *and* register 'baseviewerinit' event listeners.\n    Promise.resolve().then(() => {\n      this.eventBus.dispatch(\"baseviewerinit\", { source: this });\n    });\n  }\n\n  get pagesCount() {\n    return this._pages.length;\n  }\n\n  getPageView(index) {\n    return this._pages[index];\n  }\n\n  /**\n   * @type {boolean} - True if all {PDFPageView} objects are initialized.\n   */\n  get pageViewsReady() {\n    if (!this._pagesCapability.settled) {\n      return false;\n    }\n    // Prevent printing errors when 'disableAutoFetch' is set, by ensuring\n    // that *all* pages have in fact been completely loaded.\n    return this._pages.every(function (pageView) {\n      return pageView && pageView.pdfPage;\n    });\n  }\n\n  /**\n   * @type {number}\n   */\n  get currentPageNumber() {\n    return this._currentPageNumber;\n  }\n\n  /**\n   * @param {number} val - The page number.\n   */\n  set currentPageNumber(val) {\n    if (!Number.isInteger(val)) {\n      throw new Error(\"Invalid page number.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    // The intent can be to just reset a scroll position and/or scale.\n    if (!this._setCurrentPageNumber(val, /* resetCurrentPageView = */ true)) {\n      console.error(\n        `${this._name}.currentPageNumber: \"${val}\" is not a valid page.`\n      );\n    }\n  }\n\n  /**\n   * @returns {boolean} Whether the pageNumber is valid (within bounds).\n   * @private\n   */\n  _setCurrentPageNumber(val, resetCurrentPageView = false) {\n    if (this._currentPageNumber === val) {\n      if (resetCurrentPageView) {\n        this._resetCurrentPageView();\n      }\n      return true;\n    }\n\n    if (!(0 < val && val <= this.pagesCount)) {\n      return false;\n    }\n    this._currentPageNumber = val;\n\n    this.eventBus.dispatch(\"pagechanging\", {\n      source: this,\n      pageNumber: val,\n      pageLabel: this._pageLabels && this._pageLabels[val - 1],\n    });\n\n    if (resetCurrentPageView) {\n      this._resetCurrentPageView();\n    }\n    return true;\n  }\n\n  /**\n   * @type {string|null} Returns the current page label, or `null` if no page\n   *   labels exist.\n   */\n  get currentPageLabel() {\n    return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];\n  }\n\n  /**\n   * @param {string} val - The page label.\n   */\n  set currentPageLabel(val) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    let page = val | 0; // Fallback page number.\n    if (this._pageLabels) {\n      const i = this._pageLabels.indexOf(val);\n      if (i >= 0) {\n        page = i + 1;\n      }\n    }\n    // The intent can be to just reset a scroll position and/or scale.\n    if (!this._setCurrentPageNumber(page, /* resetCurrentPageView = */ true)) {\n      console.error(\n        `${this._name}.currentPageLabel: \"${val}\" is not a valid page.`\n      );\n    }\n  }\n\n  /**\n   * @type {number}\n   */\n  get currentScale() {\n    return this._currentScale !== UNKNOWN_SCALE\n      ? this._currentScale\n      : DEFAULT_SCALE;\n  }\n\n  /**\n   * @param {number} val - Scale of the pages in percents.\n   */\n  set currentScale(val) {\n    if (isNaN(val)) {\n      throw new Error(\"Invalid numeric scale.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    this._setScale(val, false);\n  }\n\n  /**\n   * @type {string}\n   */\n  get currentScaleValue() {\n    return this._currentScaleValue;\n  }\n\n  /**\n   * @param val - The scale of the pages (in percent or predefined value).\n   */\n  set currentScaleValue(val) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    this._setScale(val, false);\n  }\n\n  /**\n   * @type {number}\n   */\n  get pagesRotation() {\n    return this._pagesRotation;\n  }\n\n  /**\n   * @param {number} rotation - The rotation of the pages (0, 90, 180, 270).\n   */\n  set pagesRotation(rotation) {\n    if (!isValidRotation(rotation)) {\n      throw new Error(\"Invalid pages rotation angle.\");\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (this._pagesRotation === rotation) {\n      return; // The rotation didn't change.\n    }\n    this._pagesRotation = rotation;\n\n    const pageNumber = this._currentPageNumber;\n\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      const pageView = this._pages[i];\n      pageView.update(pageView.scale, rotation);\n    }\n    // Prevent errors in case the rotation changes *before* the scale has been\n    // set to a non-default value.\n    if (this._currentScaleValue) {\n      this._setScale(this._currentScaleValue, true);\n    }\n\n    this.eventBus.dispatch(\"rotationchanging\", {\n      source: this,\n      pagesRotation: rotation,\n      pageNumber,\n    });\n\n    if (this.defaultRenderingQueue) {\n      this.update();\n    }\n  }\n\n  get firstPagePromise() {\n    return this.pdfDocument ? this._firstPageCapability.promise : null;\n  }\n\n  get onePageRendered() {\n    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;\n  }\n\n  get pagesPromise() {\n    return this.pdfDocument ? this._pagesCapability.promise : null;\n  }\n\n  /**\n   * @private\n   */\n  get _viewerElement() {\n    // In most viewers, e.g. `PDFViewer`, this should return `this.viewer`.\n    throw new Error(\"Not implemented: _viewerElement\");\n  }\n\n  /**\n   * @private\n   */\n  _onePageRenderedOrForceFetch() {\n    // Unless the viewer *and* its pages are visible, rendering won't start and\n    // `this._onePageRenderedCapability` thus won't be resolved.\n    // To ensure that automatic printing, on document load, still works even in\n    // those cases we force-allow fetching of all pages when:\n    //  - The viewer is hidden in the DOM, e.g. in a `display: none` <iframe>\n    //    element; fixes bug 1618621.\n    //  - The viewer is visible, but none of the pages are (e.g. if the\n    //    viewer is very small); fixes bug 1618955.\n    if (\n      !this.container.offsetParent ||\n      this._getVisiblePages().views.length === 0\n    ) {\n      return Promise.resolve();\n    }\n    return this._onePageRenderedCapability.promise;\n  }\n\n  /**\n   * @param pdfDocument {PDFDocument}\n   */\n  setDocument(pdfDocument) {\n    if (this.pdfDocument) {\n      this._cancelRendering();\n      this._resetView();\n\n      if (this.findController) {\n        this.findController.setDocument(null);\n      }\n    }\n\n    this.pdfDocument = pdfDocument;\n    if (!pdfDocument) {\n      return;\n    }\n    const pagesCount = pdfDocument.numPages;\n    const firstPagePromise = pdfDocument.getPage(1);\n\n    const annotationStorage = pdfDocument.annotationStorage;\n    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();\n\n    this._pagesCapability.promise.then(() => {\n      this.eventBus.dispatch(\"pagesloaded\", {\n        source: this,\n        pagesCount,\n      });\n    });\n\n    this._onBeforeDraw = evt => {\n      const pageView = this._pages[evt.pageNumber - 1];\n      if (!pageView) {\n        return;\n      }\n      // Add the page to the buffer at the start of drawing. That way it can be\n      // evicted from the buffer and destroyed even if we pause its rendering.\n      this._buffer.push(pageView);\n    };\n    this.eventBus._on(\"pagerender\", this._onBeforeDraw);\n\n    this._onAfterDraw = evt => {\n      if (evt.cssTransform || this._onePageRenderedCapability.settled) {\n        return;\n      }\n      this._onePageRenderedCapability.resolve();\n\n      this.eventBus._off(\"pagerendered\", this._onAfterDraw);\n      this._onAfterDraw = null;\n    };\n    this.eventBus._on(\"pagerendered\", this._onAfterDraw);\n\n    // Fetch a single page so we can get a viewport that will be the default\n    // viewport for all pages\n    firstPagePromise\n      .then(firstPdfPage => {\n        this._firstPageCapability.resolve(firstPdfPage);\n        this._optionalContentConfigPromise = optionalContentConfigPromise;\n\n        const scale = this.currentScale;\n        const viewport = firstPdfPage.getViewport({ scale: scale * CSS_UNITS });\n        const textLayerFactory =\n          this.textLayerMode !== TextLayerMode.DISABLE ? this : null;\n\n        for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {\n          const pageView = new PDFPageView({\n            container: this._viewerElement,\n            eventBus: this.eventBus,\n            id: pageNum,\n            scale,\n            defaultViewport: viewport.clone(),\n            annotationStorage,\n            optionalContentConfigPromise,\n            renderingQueue: this.renderingQueue,\n            textLayerFactory,\n            textLayerMode: this.textLayerMode,\n            annotationLayerFactory: this,\n            imageResourcesPath: this.imageResourcesPath,\n            renderInteractiveForms: this.renderInteractiveForms,\n            renderer: this.renderer,\n            enableWebGL: this.enableWebGL,\n            useOnlyCssZoom: this.useOnlyCssZoom,\n            maxCanvasPixels: this.maxCanvasPixels,\n            l10n: this.l10n,\n          });\n          this._pages.push(pageView);\n        }\n        // Set the first `pdfPage` immediately, since it's already loaded,\n        // rather than having to repeat the `PDFDocumentProxy.getPage` call in\n        // the `this._ensurePdfPageLoaded` method before rendering can start.\n        const firstPageView = this._pages[0];\n        if (firstPageView) {\n          firstPageView.setPdfPage(firstPdfPage);\n          this.linkService.cachePageRef(1, firstPdfPage.ref);\n        }\n        if (this._spreadMode !== SpreadMode.NONE) {\n          this._updateSpreadMode();\n        }\n\n        // Fetch all the pages since the viewport is needed before printing\n        // starts to create the correct size canvas. Wait until one page is\n        // rendered so we don't tie up too many resources early on.\n        this._onePageRenderedOrForceFetch().then(() => {\n          if (this.findController) {\n            this.findController.setDocument(pdfDocument); // Enable searching.\n          }\n\n          // In addition to 'disableAutoFetch' being set, also attempt to reduce\n          // resource usage when loading *very* long/large documents.\n          if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {\n            // XXX: Printing is semi-broken with auto fetch disabled.\n            this._pagesCapability.resolve();\n            return;\n          }\n          let getPagesLeft = pagesCount - 1; // The first page was already loaded.\n\n          if (getPagesLeft <= 0) {\n            this._pagesCapability.resolve();\n            return;\n          }\n          for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {\n            pdfDocument.getPage(pageNum).then(\n              pdfPage => {\n                const pageView = this._pages[pageNum - 1];\n                if (!pageView.pdfPage) {\n                  pageView.setPdfPage(pdfPage);\n                }\n                this.linkService.cachePageRef(pageNum, pdfPage.ref);\n                if (--getPagesLeft === 0) {\n                  this._pagesCapability.resolve();\n                }\n              },\n              reason => {\n                console.error(\n                  `Unable to get page ${pageNum} to initialize viewer`,\n                  reason\n                );\n                if (--getPagesLeft === 0) {\n                  this._pagesCapability.resolve();\n                }\n              }\n            );\n          }\n        });\n\n        this.eventBus.dispatch(\"pagesinit\", { source: this });\n\n        if (this.defaultRenderingQueue) {\n          this.update();\n        }\n      })\n      .catch(reason => {\n        console.error(\"Unable to initialize viewer\", reason);\n      });\n  }\n\n  /**\n   * @param {Array|null} labels\n   */\n  setPageLabels(labels) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (!labels) {\n      this._pageLabels = null;\n    } else if (\n      !(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)\n    ) {\n      this._pageLabels = null;\n      console.error(`${this._name}.setPageLabels: Invalid page labels.`);\n    } else {\n      this._pageLabels = labels;\n    }\n    // Update all the `PDFPageView` instances.\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      const pageView = this._pages[i];\n      const label = this._pageLabels && this._pageLabels[i];\n      pageView.setPageLabel(label);\n    }\n  }\n\n  _resetView() {\n    this._pages = [];\n    this._currentPageNumber = 1;\n    this._currentScale = UNKNOWN_SCALE;\n    this._currentScaleValue = null;\n    this._pageLabels = null;\n    this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);\n    this._location = null;\n    this._pagesRotation = 0;\n    this._optionalContentConfigPromise = null;\n    this._pagesRequests = new WeakMap();\n    this._firstPageCapability = createPromiseCapability();\n    this._onePageRenderedCapability = createPromiseCapability();\n    this._pagesCapability = createPromiseCapability();\n    this._scrollMode = ScrollMode.VERTICAL;\n    this._spreadMode = SpreadMode.NONE;\n\n    if (this._onBeforeDraw) {\n      this.eventBus._off(\"pagerender\", this._onBeforeDraw);\n      this._onBeforeDraw = null;\n    }\n    if (this._onAfterDraw) {\n      this.eventBus._off(\"pagerendered\", this._onAfterDraw);\n      this._onAfterDraw = null;\n    }\n    // Remove the pages from the DOM...\n    this.viewer.textContent = \"\";\n    // ... and reset the Scroll mode CSS class(es) afterwards.\n    this._updateScrollMode();\n  }\n\n  _scrollUpdate() {\n    if (this.pagesCount === 0) {\n      return;\n    }\n    this.update();\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    scrollIntoView(pageDiv, pageSpot);\n  }\n\n  _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {\n    this._currentScaleValue = newValue.toString();\n\n    if (isSameScale(this._currentScale, newScale)) {\n      if (preset) {\n        this.eventBus.dispatch(\"scalechanging\", {\n          source: this,\n          scale: newScale,\n          presetValue: newValue,\n        });\n      }\n      return;\n    }\n\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      this._pages[i].update(newScale);\n    }\n    this._currentScale = newScale;\n\n    if (!noScroll) {\n      let page = this._currentPageNumber,\n        dest;\n      if (\n        this._location &&\n        !(this.isInPresentationMode || this.isChangingPresentationMode)\n      ) {\n        page = this._location.pageNumber;\n        dest = [\n          null,\n          { name: \"XYZ\" },\n          this._location.left,\n          this._location.top,\n          null,\n        ];\n      }\n      this.scrollPageIntoView({\n        pageNumber: page,\n        destArray: dest,\n        allowNegativeOffset: true,\n      });\n    }\n\n    this.eventBus.dispatch(\"scalechanging\", {\n      source: this,\n      scale: newScale,\n      presetValue: preset ? newValue : undefined,\n    });\n\n    if (this.defaultRenderingQueue) {\n      this.update();\n    }\n  }\n\n  _setScale(value, noScroll = false) {\n    let scale = parseFloat(value);\n\n    if (scale > 0) {\n      this._setScaleUpdatePages(scale, value, noScroll, /* preset = */ false);\n    } else {\n      const currentPage = this._pages[this._currentPageNumber - 1];\n      if (!currentPage) {\n        return;\n      }\n      const noPadding = this.isInPresentationMode || this.removePageBorders;\n      let hPadding = noPadding ? 0 : SCROLLBAR_PADDING;\n      let vPadding = noPadding ? 0 : VERTICAL_PADDING;\n\n      if (!noPadding && this._isScrollModeHorizontal) {\n        [hPadding, vPadding] = [vPadding, hPadding]; // Swap the padding values.\n      }\n      const pageWidthScale =\n        ((this.container.clientWidth - hPadding) / currentPage.width) *\n        currentPage.scale;\n      const pageHeightScale =\n        ((this.container.clientHeight - vPadding) / currentPage.height) *\n        currentPage.scale;\n      switch (value) {\n        case \"page-actual\":\n          scale = 1;\n          break;\n        case \"page-width\":\n          scale = pageWidthScale;\n          break;\n        case \"page-height\":\n          scale = pageHeightScale;\n          break;\n        case \"page-fit\":\n          scale = Math.min(pageWidthScale, pageHeightScale);\n          break;\n        case \"auto\":\n          // For pages in landscape mode, fit the page height to the viewer\n          // *unless* the page would thus become too wide to fit horizontally.\n          const horizontalScale = isPortraitOrientation(currentPage)\n            ? pageWidthScale\n            : Math.min(pageHeightScale, pageWidthScale);\n          scale = Math.min(MAX_AUTO_SCALE, horizontalScale);\n          break;\n        default:\n          console.error(\n            `${this._name}._setScale: \"${value}\" is an unknown zoom value.`\n          );\n          return;\n      }\n      this._setScaleUpdatePages(scale, value, noScroll, /* preset = */ true);\n    }\n  }\n\n  /**\n   * Refreshes page view: scrolls to the current page and updates the scale.\n   * @private\n   */\n  _resetCurrentPageView() {\n    if (this.isInPresentationMode) {\n      // Fixes the case when PDF has different page sizes.\n      this._setScale(this._currentScaleValue, true);\n    }\n\n    const pageView = this._pages[this._currentPageNumber - 1];\n    this._scrollIntoView({ pageDiv: pageView.div });\n  }\n\n  /**\n   * @typedef ScrollPageIntoViewParameters\n   * @property {number} pageNumber - The page number.\n   * @property {Array} [destArray] - The original PDF destination array, in the\n   *   format: <page-ref> </XYZ|/FitXXX> <args..>\n   * @property {boolean} [allowNegativeOffset] - Allow negative page offsets.\n   *   The default value is `false`.\n   * @property {boolean} [ignoreDestinationZoom] - Ignore the zoom argument in\n   *   the destination array. The default value is `false`.\n   */\n\n  /**\n   * Scrolls page into view.\n   * @param {ScrollPageIntoViewParameters} params\n   */\n  scrollPageIntoView({\n    pageNumber,\n    destArray = null,\n    allowNegativeOffset = false,\n    ignoreDestinationZoom = false,\n  }) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    const pageView =\n      Number.isInteger(pageNumber) && this._pages[pageNumber - 1];\n    if (!pageView) {\n      console.error(\n        `${this._name}.scrollPageIntoView: ` +\n          `\"${pageNumber}\" is not a valid pageNumber parameter.`\n      );\n      return;\n    }\n\n    if (this.isInPresentationMode || !destArray) {\n      this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n      return;\n    }\n    let x = 0,\n      y = 0;\n    let width = 0,\n      height = 0,\n      widthScale,\n      heightScale;\n    const changeOrientation = pageView.rotation % 180 !== 0;\n    const pageWidth =\n      (changeOrientation ? pageView.height : pageView.width) /\n      pageView.scale /\n      CSS_UNITS;\n    const pageHeight =\n      (changeOrientation ? pageView.width : pageView.height) /\n      pageView.scale /\n      CSS_UNITS;\n    let scale = 0;\n    switch (destArray[1].name) {\n      case \"XYZ\":\n        x = destArray[2];\n        y = destArray[3];\n        scale = destArray[4];\n        // If x and/or y coordinates are not supplied, default to\n        // _top_ left of the page (not the obvious bottom left,\n        // since aligning the bottom of the intended page with the\n        // top of the window is rarely helpful).\n        x = x !== null ? x : 0;\n        y = y !== null ? y : pageHeight;\n        break;\n      case \"Fit\":\n      case \"FitB\":\n        scale = \"page-fit\";\n        break;\n      case \"FitH\":\n      case \"FitBH\":\n        y = destArray[2];\n        scale = \"page-width\";\n        // According to the PDF spec, section 12.3.2.2, a `null` value in the\n        // parameter should maintain the position relative to the new page.\n        if (y === null && this._location) {\n          x = this._location.left;\n          y = this._location.top;\n        }\n        break;\n      case \"FitV\":\n      case \"FitBV\":\n        x = destArray[2];\n        width = pageWidth;\n        height = pageHeight;\n        scale = \"page-height\";\n        break;\n      case \"FitR\":\n        x = destArray[2];\n        y = destArray[3];\n        width = destArray[4] - x;\n        height = destArray[5] - y;\n        const hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;\n        const vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;\n\n        widthScale =\n          (this.container.clientWidth - hPadding) / width / CSS_UNITS;\n        heightScale =\n          (this.container.clientHeight - vPadding) / height / CSS_UNITS;\n        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));\n        break;\n      default:\n        console.error(\n          `${this._name}.scrollPageIntoView: ` +\n            `\"${destArray[1].name}\" is not a valid destination type.`\n        );\n        return;\n    }\n\n    if (!ignoreDestinationZoom) {\n      if (scale && scale !== this._currentScale) {\n        this.currentScaleValue = scale;\n      } else if (this._currentScale === UNKNOWN_SCALE) {\n        this.currentScaleValue = DEFAULT_SCALE_VALUE;\n      }\n    }\n\n    if (scale === \"page-fit\" && !destArray[4]) {\n      this._scrollIntoView({\n        pageDiv: pageView.div,\n        pageNumber,\n      });\n      return;\n    }\n\n    const boundingRect = [\n      pageView.viewport.convertToViewportPoint(x, y),\n      pageView.viewport.convertToViewportPoint(x + width, y + height),\n    ];\n    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);\n    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);\n\n    if (!allowNegativeOffset) {\n      // Some bad PDF generators will create destinations with e.g. top values\n      // that exceeds the page height. Ensure that offsets are not negative,\n      // to prevent a previous page from becoming visible (fixes bug 874482).\n      left = Math.max(left, 0);\n      top = Math.max(top, 0);\n    }\n    this._scrollIntoView({\n      pageDiv: pageView.div,\n      pageSpot: { left, top },\n      pageNumber,\n    });\n  }\n\n  _updateLocation(firstPage) {\n    const currentScale = this._currentScale;\n    const currentScaleValue = this._currentScaleValue;\n    const normalizedScaleValue =\n      parseFloat(currentScaleValue) === currentScale\n        ? Math.round(currentScale * 10000) / 100\n        : currentScaleValue;\n\n    const pageNumber = firstPage.id;\n    let pdfOpenParams = \"#page=\" + pageNumber;\n    pdfOpenParams += \"&zoom=\" + normalizedScaleValue;\n    const currentPageView = this._pages[pageNumber - 1];\n    const container = this.container;\n    const topLeft = currentPageView.getPagePoint(\n      container.scrollLeft - firstPage.x,\n      container.scrollTop - firstPage.y\n    );\n    const intLeft = Math.round(topLeft[0]);\n    const intTop = Math.round(topLeft[1]);\n    pdfOpenParams += \",\" + intLeft + \",\" + intTop;\n\n    this._location = {\n      pageNumber,\n      scale: normalizedScaleValue,\n      top: intTop,\n      left: intLeft,\n      rotation: this._pagesRotation,\n      pdfOpenParams,\n    };\n  }\n\n  _updateHelper(visiblePages) {\n    throw new Error(\"Not implemented: _updateHelper\");\n  }\n\n  update() {\n    const visible = this._getVisiblePages();\n    const visiblePages = visible.views,\n      numVisiblePages = visiblePages.length;\n\n    if (numVisiblePages === 0) {\n      return;\n    }\n    const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);\n    this._buffer.resize(newCacheSize, visiblePages);\n\n    this.renderingQueue.renderHighestPriority(visible);\n\n    this._updateHelper(visiblePages); // Run any class-specific update code.\n\n    this._updateLocation(visible.first);\n    this.eventBus.dispatch(\"updateviewarea\", {\n      source: this,\n      location: this._location,\n    });\n  }\n\n  containsElement(element) {\n    return this.container.contains(element);\n  }\n\n  focus() {\n    this.container.focus();\n  }\n\n  get _isScrollModeHorizontal() {\n    // Used to ensure that pre-rendering of the next/previous page works\n    // correctly, since Scroll/Spread modes are ignored in Presentation Mode.\n    return this.isInPresentationMode\n      ? false\n      : this._scrollMode === ScrollMode.HORIZONTAL;\n  }\n\n  get isInPresentationMode() {\n    return this.presentationModeState === PresentationModeState.FULLSCREEN;\n  }\n\n  get isChangingPresentationMode() {\n    return this.presentationModeState === PresentationModeState.CHANGING;\n  }\n\n  get isHorizontalScrollbarEnabled() {\n    return this.isInPresentationMode\n      ? false\n      : this.container.scrollWidth > this.container.clientWidth;\n  }\n\n  get isVerticalScrollbarEnabled() {\n    return this.isInPresentationMode\n      ? false\n      : this.container.scrollHeight > this.container.clientHeight;\n  }\n\n  /**\n   * Helper method for `this._getVisiblePages`. Should only ever be used when\n   * the viewer can only display a single page at a time, for example in:\n   *  - `PDFSinglePageViewer`.\n   *  - `PDFViewer` with Presentation Mode active.\n   */\n  _getCurrentVisiblePage() {\n    if (!this.pagesCount) {\n      return { views: [] };\n    }\n    const pageView = this._pages[this._currentPageNumber - 1];\n    // NOTE: Compute the `x` and `y` properties of the current view,\n    // since `this._updateLocation` depends of them being available.\n    const element = pageView.div;\n\n    const view = {\n      id: pageView.id,\n      x: element.offsetLeft + element.clientLeft,\n      y: element.offsetTop + element.clientTop,\n      view: pageView,\n    };\n    return { first: view, last: view, views: [view] };\n  }\n\n  _getVisiblePages() {\n    return getVisibleElements(\n      this.container,\n      this._pages,\n      true,\n      this._isScrollModeHorizontal\n    );\n  }\n\n  /**\n   * @param {number} pageNumber\n   */\n  isPageVisible(pageNumber) {\n    if (!this.pdfDocument) {\n      return false;\n    }\n    if (pageNumber < 1 || pageNumber > this.pagesCount) {\n      console.error(\n        `${this._name}.isPageVisible: \"${pageNumber}\" is out of bounds.`\n      );\n      return false;\n    }\n    return this._getVisiblePages().views.some(function (view) {\n      return view.id === pageNumber;\n    });\n  }\n\n  cleanup() {\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      if (\n        this._pages[i] &&\n        this._pages[i].renderingState !== RenderingStates.FINISHED\n      ) {\n        this._pages[i].reset();\n      }\n    }\n  }\n\n  /**\n   * @private\n   */\n  _cancelRendering() {\n    for (let i = 0, ii = this._pages.length; i < ii; i++) {\n      if (this._pages[i]) {\n        this._pages[i].cancelRendering();\n      }\n    }\n  }\n\n  /**\n   * @param {PDFPageView} pageView\n   * @returns {Promise} Returns a promise containing a {PDFPageProxy} object.\n   * @private\n   */\n  _ensurePdfPageLoaded(pageView) {\n    if (pageView.pdfPage) {\n      return Promise.resolve(pageView.pdfPage);\n    }\n    if (this._pagesRequests.has(pageView)) {\n      return this._pagesRequests.get(pageView);\n    }\n    const promise = this.pdfDocument\n      .getPage(pageView.id)\n      .then(pdfPage => {\n        if (!pageView.pdfPage) {\n          pageView.setPdfPage(pdfPage);\n        }\n        this._pagesRequests.delete(pageView);\n        return pdfPage;\n      })\n      .catch(reason => {\n        console.error(\"Unable to get page for page view\", reason);\n        // Page error -- there is nothing that can be done.\n        this._pagesRequests.delete(pageView);\n      });\n    this._pagesRequests.set(pageView, promise);\n    return promise;\n  }\n\n  forceRendering(currentlyVisiblePages) {\n    const visiblePages = currentlyVisiblePages || this._getVisiblePages();\n    const scrollAhead = this._isScrollModeHorizontal\n      ? this.scroll.right\n      : this.scroll.down;\n    const pageView = this.renderingQueue.getHighestPriority(\n      visiblePages,\n      this._pages,\n      scrollAhead\n    );\n    if (pageView) {\n      this._ensurePdfPageLoaded(pageView).then(() => {\n        this.renderingQueue.renderView(pageView);\n      });\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * @param {HTMLDivElement} textLayerDiv\n   * @param {number} pageIndex\n   * @param {PageViewport} viewport\n   * @param {boolean} enhanceTextSelection\n   * @param {EventBus} eventBus\n   * @returns {TextLayerBuilder}\n   */\n  createTextLayerBuilder(\n    textLayerDiv,\n    pageIndex,\n    viewport,\n    enhanceTextSelection = false,\n    eventBus\n  ) {\n    return new TextLayerBuilder({\n      textLayerDiv,\n      eventBus,\n      pageIndex,\n      viewport,\n      findController: this.isInPresentationMode ? null : this.findController,\n      enhanceTextSelection: this.isInPresentationMode\n        ? false\n        : enhanceTextSelection,\n    });\n  }\n\n  /**\n   * @param {HTMLDivElement} pageDiv\n   * @param {PDFPage} pdfPage\n   * @param {string} [imageResourcesPath] - Path for image resources, mainly\n   *   for annotation icons. Include trailing slash.\n   * @param {boolean} renderInteractiveForms\n   * @param {IL10n} l10n\n   * @returns {AnnotationLayerBuilder}\n   */\n  createAnnotationLayerBuilder(\n    pageDiv,\n    pdfPage,\n    annotationStorage = null,\n    imageResourcesPath = \"\",\n    renderInteractiveForms = false,\n    l10n = NullL10n\n  ) {\n    return new AnnotationLayerBuilder({\n      pageDiv,\n      pdfPage,\n      annotationStorage,\n      imageResourcesPath,\n      renderInteractiveForms,\n      linkService: this.linkService,\n      downloadManager: this.downloadManager,\n      l10n,\n    });\n  }\n\n  /**\n   * @type {boolean} Whether all pages of the PDF document have identical\n   *   widths and heights.\n   */\n  get hasEqualPageSizes() {\n    const firstPageView = this._pages[0];\n    for (let i = 1, ii = this._pages.length; i < ii; ++i) {\n      const pageView = this._pages[i];\n      if (\n        pageView.width !== firstPageView.width ||\n        pageView.height !== firstPageView.height\n      ) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * Returns sizes of the pages.\n   * @returns {Array} Array of objects with width/height/rotation fields.\n   */\n  getPagesOverview() {\n    const pagesOverview = this._pages.map(function (pageView) {\n      const viewport = pageView.pdfPage.getViewport({ scale: 1 });\n      return {\n        width: viewport.width,\n        height: viewport.height,\n        rotation: viewport.rotation,\n      };\n    });\n    if (!this.enablePrintAutoRotate) {\n      return pagesOverview;\n    }\n    return pagesOverview.map(function (size) {\n      if (isPortraitOrientation(size)) {\n        return size;\n      }\n      return {\n        width: size.height,\n        height: size.width,\n        rotation: (size.rotation + 90) % 360,\n      };\n    });\n  }\n\n  /**\n   * @type {Promise<OptionalContentConfig | null>}\n   */\n  get optionalContentConfigPromise() {\n    if (!this.pdfDocument) {\n      return Promise.resolve(null);\n    }\n    if (!this._optionalContentConfigPromise) {\n      // Prevent issues if the getter is accessed *before* the `onePageRendered`\n      // promise has resolved; won't (normally) happen in the default viewer.\n      return this.pdfDocument.getOptionalContentConfig();\n    }\n    return this._optionalContentConfigPromise;\n  }\n\n  /**\n   * @param {Promise<OptionalContentConfig>} promise - A promise that is\n   *   resolved with an {@link OptionalContentConfig} instance.\n   */\n  set optionalContentConfigPromise(promise) {\n    if (!(promise instanceof Promise)) {\n      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);\n    }\n    if (!this.pdfDocument) {\n      return;\n    }\n    if (!this._optionalContentConfigPromise) {\n      // Ignore the setter *before* the `onePageRendered` promise has resolved,\n      // since it'll be overwritten anyway; won't happen in the default viewer.\n      return;\n    }\n    this._optionalContentConfigPromise = promise;\n\n    for (const pageView of this._pages) {\n      pageView.update(pageView.scale, pageView.rotation, promise);\n    }\n    this.update();\n\n    this.eventBus.dispatch(\"optionalcontentconfigchanged\", {\n      source: this,\n      promise,\n    });\n  }\n\n  /**\n   * @type {number} One of the values in {ScrollMode}.\n   */\n  get scrollMode() {\n    return this._scrollMode;\n  }\n\n  /**\n   * @param {number} mode - The direction in which the document pages should be\n   *   laid out within the scrolling container.\n   *   The constants from {ScrollMode} should be used.\n   */\n  set scrollMode(mode) {\n    if (this._scrollMode === mode) {\n      return; // The Scroll mode didn't change.\n    }\n    if (!isValidScrollMode(mode)) {\n      throw new Error(`Invalid scroll mode: ${mode}`);\n    }\n    this._scrollMode = mode;\n    this.eventBus.dispatch(\"scrollmodechanged\", { source: this, mode });\n\n    this._updateScrollMode(/* pageNumber = */ this._currentPageNumber);\n  }\n\n  _updateScrollMode(pageNumber = null) {\n    const scrollMode = this._scrollMode,\n      viewer = this.viewer;\n\n    viewer.classList.toggle(\n      \"scrollHorizontal\",\n      scrollMode === ScrollMode.HORIZONTAL\n    );\n    viewer.classList.toggle(\"scrollWrapped\", scrollMode === ScrollMode.WRAPPED);\n\n    if (!this.pdfDocument || !pageNumber) {\n      return;\n    }\n    // Non-numeric scale values can be sensitive to the scroll orientation.\n    // Call this before re-scrolling to the current page, to ensure that any\n    // changes in scale don't move the current page.\n    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {\n      this._setScale(this._currentScaleValue, true);\n    }\n    this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n    this.update();\n  }\n\n  /**\n   * @type {number} One of the values in {SpreadMode}.\n   */\n  get spreadMode() {\n    return this._spreadMode;\n  }\n\n  /**\n   * @param {number} mode - Group the pages in spreads, starting with odd- or\n   *   even-number pages (unless `SpreadMode.NONE` is used).\n   *   The constants from {SpreadMode} should be used.\n   */\n  set spreadMode(mode) {\n    if (this._spreadMode === mode) {\n      return; // The Spread mode didn't change.\n    }\n    if (!isValidSpreadMode(mode)) {\n      throw new Error(`Invalid spread mode: ${mode}`);\n    }\n    this._spreadMode = mode;\n    this.eventBus.dispatch(\"spreadmodechanged\", { source: this, mode });\n\n    this._updateSpreadMode(/* pageNumber = */ this._currentPageNumber);\n  }\n\n  _updateSpreadMode(pageNumber = null) {\n    if (!this.pdfDocument) {\n      return;\n    }\n    const viewer = this.viewer,\n      pages = this._pages;\n    // Temporarily remove all the pages from the DOM.\n    viewer.textContent = \"\";\n\n    if (this._spreadMode === SpreadMode.NONE) {\n      for (let i = 0, iMax = pages.length; i < iMax; ++i) {\n        viewer.appendChild(pages[i].div);\n      }\n    } else {\n      const parity = this._spreadMode - 1;\n      let spread = null;\n      for (let i = 0, iMax = pages.length; i < iMax; ++i) {\n        if (spread === null) {\n          spread = document.createElement(\"div\");\n          spread.className = \"spread\";\n          viewer.appendChild(spread);\n        } else if (i % 2 === parity) {\n          spread = spread.cloneNode(false);\n          viewer.appendChild(spread);\n        }\n        spread.appendChild(pages[i].div);\n      }\n    }\n\n    if (!pageNumber) {\n      return;\n    }\n    this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n    this.update();\n  }\n}\n\nexport { BaseViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { BaseViewer } from \"./base_viewer.js\";\nimport { shadow } from \"pdfjs-lib\";\n\nclass PDFViewer extends BaseViewer {\n  get _viewerElement() {\n    return shadow(this, \"_viewerElement\", this.viewer);\n  }\n\n  _scrollIntoView({ pageDiv, pageSpot = null, pageNumber = null }) {\n    if (!pageSpot && !this.isInPresentationMode) {\n      const left = pageDiv.offsetLeft + pageDiv.clientLeft;\n      const right = left + pageDiv.clientWidth;\n      const { scrollLeft, clientWidth } = this.container;\n      if (\n        this._isScrollModeHorizontal ||\n        left < scrollLeft ||\n        right > scrollLeft + clientWidth\n      ) {\n        pageSpot = { left: 0, top: 0 };\n      }\n    }\n    super._scrollIntoView({ pageDiv, pageSpot, pageNumber });\n  }\n\n  _getVisiblePages() {\n    if (this.isInPresentationMode) {\n      // The algorithm in `getVisibleElements` doesn't work in all browsers and\n      // configurations (e.g. Chrome) when Presentation Mode is active.\n      return this._getCurrentVisiblePage();\n    }\n    return super._getVisiblePages();\n  }\n\n  _updateHelper(visiblePages) {\n    if (this.isInPresentationMode) {\n      return;\n    }\n    let currentId = this._currentPageNumber;\n    let stillFullyVisible = false;\n\n    for (const page of visiblePages) {\n      if (page.percent < 100) {\n        break;\n      }\n      if (page.id === currentId) {\n        stillFullyVisible = true;\n        break;\n      }\n    }\n    if (!stillFullyVisible) {\n      currentId = visiblePages[0].id;\n    }\n    this._setCurrentPageNumber(currentId);\n  }\n}\n\nexport { PDFViewer };\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/node_modules/pdfjs-dist/webpack.js b/node_modules/pdfjs-dist/webpack.js
new file mode 100644
index 00000000..13cbb114
--- /dev/null
+++ b/node_modules/pdfjs-dist/webpack.js
@@ -0,0 +1,25 @@
+/* Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+"use strict";
+
+var pdfjs = require("./build/pdf.js");
+var PdfjsWorker = require("worker-loader?esModule=false!./build/pdf.worker.js");
+
+if (typeof window !== "undefined" && "Worker" in window) {
+  pdfjs.GlobalWorkerOptions.workerPort = new PdfjsWorker();
+}
+
+module.exports = pdfjs;
diff --git a/node_modules/picomatch/CHANGELOG.md b/node_modules/picomatch/CHANGELOG.md
new file mode 100644
index 00000000..8ccc6c1b
--- /dev/null
+++ b/node_modules/picomatch/CHANGELOG.md
@@ -0,0 +1,136 @@
+# Release history
+
+**All notable changes to this project will be documented in this file.**
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+<details>
+  <summary><strong>Guiding Principles</strong></summary>
+
+- Changelogs are for humans, not machines.
+- There should be an entry for every single version.
+- The same types of changes should be grouped.
+- Versions and sections should be linkable.
+- The latest version comes first.
+- The release date of each versions is displayed.
+- Mention whether you follow Semantic Versioning.
+
+</details>
+
+<details>
+  <summary><strong>Types of changes</strong></summary>
+
+Changelog entries are classified using the following labels _(from [keep-a-changelog](http://keepachangelog.com/)_):
+
+- `Added` for new features.
+- `Changed` for changes in existing functionality.
+- `Deprecated` for soon-to-be removed features.
+- `Removed` for now removed features.
+- `Fixed` for any bug fixes.
+- `Security` in case of vulnerabilities.
+
+</details>
+
+## 2.3.1 (2022-01-02)
+
+### Fixed
+
+* Fixes bug when a pattern containing an expression after the closing parenthesis (`/!(*.d).{ts,tsx}`) was incorrectly converted to regexp ([9f241ef](https://github.com/micromatch/picomatch/commit/9f241ef)).
+
+### Changed
+
+* Some documentation improvements ([f81d236](https://github.com/micromatch/picomatch/commit/f81d236), [421e0e7](https://github.com/micromatch/picomatch/commit/421e0e7)).
+
+## 2.3.0 (2021-05-21)
+
+### Fixed
+
+* Fixes bug where file names with two dots were not being matched consistently with negation extglobs containing a star ([56083ef](https://github.com/micromatch/picomatch/commit/56083ef))
+
+## 2.2.3 (2021-04-10)
+
+### Fixed
+
+* Do not skip pattern seperator for square brackets ([fb08a30](https://github.com/micromatch/picomatch/commit/fb08a30)).
+* Set negatedExtGlob also if it does not span the whole pattern ([032e3f5](https://github.com/micromatch/picomatch/commit/032e3f5)).
+
+## 2.2.2 (2020-03-21)
+
+### Fixed
+
+* Correctly handle parts of the pattern after parentheses in the `scan` method ([e15b920](https://github.com/micromatch/picomatch/commit/e15b920)).
+
+## 2.2.1 (2020-01-04)
+
+* Fixes [#49](https://github.com/micromatch/picomatch/issues/49), so that braces with no sets or ranges are now propertly treated as literals.
+
+## 2.2.0 (2020-01-04)
+
+* Disable fastpaths mode for the parse method ([5b8d33f](https://github.com/micromatch/picomatch/commit/5b8d33f))
+* Add `tokens`, `slashes`, and `parts` to the object returned by `picomatch.scan()`.
+
+## 2.1.0 (2019-10-31)
+
+* add benchmarks for scan ([4793b92](https://github.com/micromatch/picomatch/commit/4793b92))
+* Add eslint object-curly-spacing rule ([707c650](https://github.com/micromatch/picomatch/commit/707c650))
+* Add prefer-const eslint rule ([5c7501c](https://github.com/micromatch/picomatch/commit/5c7501c))
+* Add support for nonegate in scan API ([275c9b9](https://github.com/micromatch/picomatch/commit/275c9b9))
+* Change lets to consts. Move root import up. ([4840625](https://github.com/micromatch/picomatch/commit/4840625))
+* closes https://github.com/micromatch/picomatch/issues/21 ([766bcb0](https://github.com/micromatch/picomatch/commit/766bcb0))
+* Fix "Extglobs" table in readme ([eb19da8](https://github.com/micromatch/picomatch/commit/eb19da8))
+* fixes https://github.com/micromatch/picomatch/issues/20 ([9caca07](https://github.com/micromatch/picomatch/commit/9caca07))
+* fixes https://github.com/micromatch/picomatch/issues/26 ([fa58f45](https://github.com/micromatch/picomatch/commit/fa58f45))
+* Lint test ([d433a34](https://github.com/micromatch/picomatch/commit/d433a34))
+* lint unit tests ([0159b55](https://github.com/micromatch/picomatch/commit/0159b55))
+* Make scan work with noext ([6c02e03](https://github.com/micromatch/picomatch/commit/6c02e03))
+* minor linting ([c2a2b87](https://github.com/micromatch/picomatch/commit/c2a2b87))
+* minor parser improvements ([197671d](https://github.com/micromatch/picomatch/commit/197671d))
+* remove eslint since it... ([07876fa](https://github.com/micromatch/picomatch/commit/07876fa))
+* remove funding file ([8ebe96d](https://github.com/micromatch/picomatch/commit/8ebe96d))
+* Remove unused funks ([cbc6d54](https://github.com/micromatch/picomatch/commit/cbc6d54))
+* Run eslint during pretest, fix existing eslint findings ([0682367](https://github.com/micromatch/picomatch/commit/0682367))
+* support `noparen` in scan ([3d37569](https://github.com/micromatch/picomatch/commit/3d37569))
+* update changelog ([7b34e77](https://github.com/micromatch/picomatch/commit/7b34e77))
+* update travis ([777f038](https://github.com/micromatch/picomatch/commit/777f038))
+* Use eslint-disable-next-line instead of eslint-disable ([4e7c1fd](https://github.com/micromatch/picomatch/commit/4e7c1fd))
+
+## 2.0.7 (2019-05-14)
+
+* 2.0.7 ([9eb9a71](https://github.com/micromatch/picomatch/commit/9eb9a71))
+* supports lookbehinds ([1f63f7e](https://github.com/micromatch/picomatch/commit/1f63f7e))
+* update .verb.md file with typo change ([2741279](https://github.com/micromatch/picomatch/commit/2741279))
+* fix: typo in README ([0753e44](https://github.com/micromatch/picomatch/commit/0753e44))
+
+## 2.0.4 (2019-04-10)
+
+### Fixed
+
+- Readme link [fixed](https://github.com/micromatch/picomatch/pull/13/commits/a96ab3aa2b11b6861c23289964613d85563b05df) by @danez.
+- `options.capture` now works as expected when fastpaths are enabled. See https://github.com/micromatch/picomatch/pull/12/commits/26aefd71f1cfaf95c37f1c1fcab68a693b037304. Thanks to @DrPizza.
+
+## 2.0.0 (2019-04-10)
+
+### Added
+
+- Adds support for `options.onIgnore`. See the readme for details
+- Adds support for `options.onResult`. See the readme for details
+
+### Breaking changes
+
+- The unixify option was renamed to `windows`
+- caching and all related options and methods have been removed
+
+## 1.0.0 (2018-11-05)
+
+- adds `.onMatch` option
+- improvements to `.scan` method
+- numerous improvements and optimizations for matching and parsing
+- better windows path handling
+
+## 0.1.0 - 2017-04-13
+
+First release.
+
+
+[keep-a-changelog]: https://github.com/olivierlacan/keep-a-changelog
diff --git a/node_modules/picomatch/LICENSE b/node_modules/picomatch/LICENSE
new file mode 100644
index 00000000..3608dca2
--- /dev/null
+++ b/node_modules/picomatch/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/picomatch/README.md b/node_modules/picomatch/README.md
new file mode 100644
index 00000000..b0526e28
--- /dev/null
+++ b/node_modules/picomatch/README.md
@@ -0,0 +1,708 @@
+<h1 align="center">Picomatch</h1>
+
+<p align="center">
+<a href="https://npmjs.org/package/picomatch">
+<img src="https://img.shields.io/npm/v/picomatch.svg" alt="version">
+</a>
+<a href="https://github.com/micromatch/picomatch/actions?workflow=Tests">
+<img src="https://github.com/micromatch/picomatch/workflows/Tests/badge.svg" alt="test status">
+</a>
+<a href="https://coveralls.io/github/micromatch/picomatch">
+<img src="https://img.shields.io/coveralls/github/micromatch/picomatch/master.svg" alt="coverage status">
+</a>
+<a href="https://npmjs.org/package/picomatch">
+<img src="https://img.shields.io/npm/dm/picomatch.svg" alt="downloads">
+</a>
+</p>
+
+<br>
+<br>
+
+<p align="center">
+<strong>Blazing fast and accurate glob matcher written in JavaScript.</strong></br>
+<em>No dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.</em>
+</p>
+
+<br>
+<br>
+
+## Why picomatch?
+
+* **Lightweight** - No dependencies
+* **Minimal** - Tiny API surface. Main export is a function that takes a glob pattern and returns a matcher function.
+* **Fast** - Loads in about 2ms (that's several times faster than a [single frame of a HD movie](http://www.endmemo.com/sconvert/framespersecondframespermillisecond.php) at 60fps)
+* **Performant** - Use the returned matcher function to speed up repeat matching (like when watching files)
+* **Accurate matching** - Using wildcards (`*` and `?`), globstars (`**`) for nested directories, [advanced globbing](#advanced-globbing) with extglobs, braces, and POSIX brackets, and support for escaping special characters with `\` or quotes.
+* **Well tested** - Thousands of unit tests
+
+See the [library comparison](#library-comparisons) to other libraries.
+
+<br>
+<br>
+
+## Table of Contents
+
+<details><summary> Click to expand </summary>
+
+- [Install](#install)
+- [Usage](#usage)
+- [API](#api)
+  * [picomatch](#picomatch)
+  * [.test](#test)
+  * [.matchBase](#matchbase)
+  * [.isMatch](#ismatch)
+  * [.parse](#parse)
+  * [.scan](#scan)
+  * [.compileRe](#compilere)
+  * [.makeRe](#makere)
+  * [.toRegex](#toregex)
+- [Options](#options)
+  * [Picomatch options](#picomatch-options)
+  * [Scan Options](#scan-options)
+  * [Options Examples](#options-examples)
+- [Globbing features](#globbing-features)
+  * [Basic globbing](#basic-globbing)
+  * [Advanced globbing](#advanced-globbing)
+  * [Braces](#braces)
+  * [Matching special characters as literals](#matching-special-characters-as-literals)
+- [Library Comparisons](#library-comparisons)
+- [Benchmarks](#benchmarks)
+- [Philosophies](#philosophies)
+- [About](#about)
+  * [Author](#author)
+  * [License](#license)
+
+_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_
+
+</details>
+
+<br>
+<br>
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+npm install --save picomatch
+```
+
+<br>
+
+## Usage
+
+The main export is a function that takes a glob pattern and an options object and returns a function for matching strings.
+
+```js
+const pm = require('picomatch');
+const isMatch = pm('*.js');
+
+console.log(isMatch('abcd')); //=> false
+console.log(isMatch('a.js')); //=> true
+console.log(isMatch('a.md')); //=> false
+console.log(isMatch('a/b.js')); //=> false
+```
+
+<br>
+
+## API
+
+### [picomatch](lib/picomatch.js#L32)
+
+Creates a matcher function from one or more glob patterns. The returned function takes a string to match as its first argument, and returns true if the string is a match. The returned matcher function also takes a boolean as the second argument that, when true, returns an object with additional information.
+
+**Params**
+
+* `globs` **{String|Array}**: One or more glob patterns.
+* `options` **{Object=}**
+* `returns` **{Function=}**: Returns a matcher function.
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch(glob[, options]);
+
+const isMatch = picomatch('*.!(*a)');
+console.log(isMatch('a.a')); //=> false
+console.log(isMatch('a.b')); //=> true
+```
+
+### [.test](lib/picomatch.js#L117)
+
+Test `input` with the given `regex`. This is used by the main `picomatch()` function to test the input string.
+
+**Params**
+
+* `input` **{String}**: String to test.
+* `regex` **{RegExp}**
+* `returns` **{Object}**: Returns an object with matching info.
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch.test(input, regex[, options]);
+
+console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/));
+// { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' }
+```
+
+### [.matchBase](lib/picomatch.js#L161)
+
+Match the basename of a filepath.
+
+**Params**
+
+* `input` **{String}**: String to test.
+* `glob` **{RegExp|String}**: Glob pattern or regex created by [.makeRe](#makeRe).
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch.matchBase(input, glob[, options]);
+console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true
+```
+
+### [.isMatch](lib/picomatch.js#L183)
+
+Returns true if **any** of the given glob `patterns` match the specified `string`.
+
+**Params**
+
+* **{String|Array}**: str The string to test.
+* **{String|Array}**: patterns One or more glob patterns to use for matching.
+* **{Object}**: See available [options](#options).
+* `returns` **{Boolean}**: Returns true if any patterns match `str`
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch.isMatch(string, patterns[, options]);
+
+console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true
+console.log(picomatch.isMatch('a.a', 'b.*')); //=> false
+```
+
+### [.parse](lib/picomatch.js#L199)
+
+Parse a glob pattern to create the source string for a regular expression.
+
+**Params**
+
+* `pattern` **{String}**
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an object with useful properties and output to be used as a regex source string.
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+const result = picomatch.parse(pattern[, options]);
+```
+
+### [.scan](lib/picomatch.js#L231)
+
+Scan a glob pattern to separate the pattern into segments.
+
+**Params**
+
+* `input` **{String}**: Glob pattern to scan.
+* `options` **{Object}**
+* `returns` **{Object}**: Returns an object with
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch.scan(input[, options]);
+
+const result = picomatch.scan('!./foo/*.js');
+console.log(result);
+{ prefix: '!./',
+  input: '!./foo/*.js',
+  start: 3,
+  base: 'foo',
+  glob: '*.js',
+  isBrace: false,
+  isBracket: false,
+  isGlob: true,
+  isExtglob: false,
+  isGlobstar: false,
+  negated: true }
+```
+
+### [.compileRe](lib/picomatch.js#L245)
+
+Compile a regular expression from the `state` object returned by the
+[parse()](#parse) method.
+
+**Params**
+
+* `state` **{Object}**
+* `options` **{Object}**
+* `returnOutput` **{Boolean}**: Intended for implementors, this argument allows you to return the raw output from the parser.
+* `returnState` **{Boolean}**: Adds the state to a `state` property on the returned regex. Useful for implementors and debugging.
+* `returns` **{RegExp}**
+
+### [.makeRe](lib/picomatch.js#L286)
+
+Create a regular expression from a parsed glob pattern.
+
+**Params**
+
+* `state` **{String}**: The object returned from the `.parse` method.
+* `options` **{Object}**
+* `returnOutput` **{Boolean}**: Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result.
+* `returnState` **{Boolean}**: Implementors may use this argument to return the state from the parsed glob with the returned regular expression.
+* `returns` **{RegExp}**: Returns a regex created from the given pattern.
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+const state = picomatch.parse('*.js');
+// picomatch.compileRe(state[, options]);
+
+console.log(picomatch.compileRe(state));
+//=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+```
+
+### [.toRegex](lib/picomatch.js#L321)
+
+Create a regular expression from the given regex source string.
+
+**Params**
+
+* `source` **{String}**: Regular expression source string.
+* `options` **{Object}**
+* `returns` **{RegExp}**
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+// picomatch.toRegex(source[, options]);
+
+const { output } = picomatch.parse('*.js');
+console.log(picomatch.toRegex(output));
+//=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+```
+
+<br>
+
+## Options
+
+### Picomatch options
+
+The following options may be used with the main `picomatch()` function or any of the methods on the picomatch API.
+
+| **Option** | **Type** | **Default value** | **Description** |
+| --- | --- | --- | --- |
+| `basename`            | `boolean`      | `false`     | If set, then patterns without slashes will be matched against the basename of the path if it contains slashes.  For example, `a?b` would match the path `/xyz/123/acb`, but not `/xyz/acb/123`. |
+| `bash`                | `boolean`      | `false`     | Follow bash matching rules more strictly - disallows backslashes as escape characters, and treats single stars as globstars (`**`). |
+| `capture`             | `boolean`      | `undefined` | Return regex matches in supporting methods. |
+| `contains`            | `boolean`      | `undefined` | Allows glob to match any part of the given string(s). |
+| `cwd`                 | `string`       | `process.cwd()` | Current working directory. Used by `picomatch.split()` |
+| `debug`               | `boolean`      | `undefined` | Debug regular expressions when an error is thrown. |
+| `dot`                 | `boolean`      | `false`     | Enable dotfile matching. By default, dotfiles are ignored unless a `.` is explicitly defined in the pattern, or `options.dot` is true |
+| `expandRange`         | `function`     | `undefined` | Custom function for expanding ranges in brace patterns, such as `{a..z}`. The function receives the range values as two arguments, and it must return a string to be used in the generated regex. It's recommended that returned strings be wrapped in parentheses. |
+| `failglob`            | `boolean`      | `false`     | Throws an error if no matches are found. Based on the bash option of the same name. |
+| `fastpaths`           | `boolean`      | `true`      | To speed up processing, full parsing is skipped for a handful common glob patterns. Disable this behavior by setting this option to `false`. |
+| `flags`               | `string`      | `undefined` | Regex flags to use in the generated regex. If defined, the `nocase` option will be overridden. |
+| [format](#optionsformat) | `function` | `undefined` | Custom function for formatting the returned string. This is useful for removing leading slashes, converting Windows paths to Posix paths, etc. |
+| `ignore`              | `array\|string` | `undefined` | One or more glob patterns for excluding strings that should not be matched from the result. |
+| `keepQuotes`          | `boolean`      | `false`     | Retain quotes in the generated regex, since quotes may also be used as an alternative to backslashes.  |
+| `literalBrackets`     | `boolean`      | `undefined` | When `true`, brackets in the glob pattern will be escaped so that only literal brackets will be matched. |
+| `matchBase`           | `boolean`      | `false`     | Alias for `basename` |
+| `maxLength`           | `boolean`      | `65536`     | Limit the max length of the input string. An error is thrown if the input string is longer than this value. |
+| `nobrace`             | `boolean`      | `false`     | Disable brace matching, so that `{a,b}` and `{1..3}` would be treated as literal characters. |
+| `nobracket`           | `boolean`      | `undefined` | Disable matching with regex brackets. |
+| `nocase`              | `boolean`      | `false`     | Make matching case-insensitive. Equivalent to the regex `i` flag. Note that this option is overridden by the `flags` option. |
+| `nodupes`             | `boolean`      | `true`      | Deprecated, use `nounique` instead. This option will be removed in a future major release. By default duplicates are removed. Disable uniquification by setting this option to false. |
+| `noext`               | `boolean`      | `false`     | Alias for `noextglob` |
+| `noextglob`           | `boolean`      | `false`     | Disable support for matching with extglobs (like `+(a\|b)`) |
+| `noglobstar`          | `boolean`      | `false`     | Disable support for matching nested directories with globstars (`**`) |
+| `nonegate`            | `boolean`      | `false`     | Disable support for negating with leading `!` |
+| `noquantifiers`       | `boolean`      | `false`     | Disable support for regex quantifiers (like `a{1,2}`) and treat them as brace patterns to be expanded. |
+| [onIgnore](#optionsonIgnore) | `function` | `undefined` | Function to be called on ignored items. |
+| [onMatch](#optionsonMatch) | `function` | `undefined` | Function to be called on matched items. |
+| [onResult](#optionsonResult) | `function` | `undefined` | Function to be called on all items, regardless of whether or not they are matched or ignored. |
+| `posix`               | `boolean`      | `false`     | Support POSIX character classes ("posix brackets"). |
+| `posixSlashes`        | `boolean`      | `undefined` | Convert all slashes in file paths to forward slashes. This does not convert slashes in the glob pattern itself |
+| `prepend`             | `boolean`      | `undefined` | String to prepend to the generated regex used for matching. |
+| `regex`               | `boolean`      | `false`     | Use regular expression rules for `+` (instead of matching literal `+`), and for stars that follow closing parentheses or brackets (as in `)*` and `]*`). |
+| `strictBrackets`      | `boolean`      | `undefined` | Throw an error if brackets, braces, or parens are imbalanced. |
+| `strictSlashes`       | `boolean`      | `undefined` | When true, picomatch won't match trailing slashes with single stars. |
+| `unescape`            | `boolean`      | `undefined` | Remove backslashes preceding escaped characters in the glob pattern. By default, backslashes are retained. |
+| `unixify`             | `boolean`      | `undefined` | Alias for `posixSlashes`, for backwards compatibility. |
+
+picomatch has automatic detection for regex positive and negative lookbehinds. If the pattern contains a negative lookbehind, you must be using Node.js >= 8.10 or else picomatch will throw an error.
+
+### Scan Options
+
+In addition to the main [picomatch options](#picomatch-options), the following options may also be used with the [.scan](#scan) method.
+
+| **Option** | **Type** | **Default value** | **Description** |
+| --- | --- | --- | --- |
+| `tokens` | `boolean` | `false` | When `true`, the returned object will include an array of tokens (objects), representing each path "segment" in the scanned glob pattern |
+| `parts` | `boolean` | `false` | When `true`, the returned object will include an array of strings representing each path "segment" in the scanned glob pattern. This is automatically enabled when `options.tokens` is true |
+
+**Example**
+
+```js
+const picomatch = require('picomatch');
+const result = picomatch.scan('!./foo/*.js', { tokens: true });
+console.log(result);
+// {
+//   prefix: '!./',
+//   input: '!./foo/*.js',
+//   start: 3,
+//   base: 'foo',
+//   glob: '*.js',
+//   isBrace: false,
+//   isBracket: false,
+//   isGlob: true,
+//   isExtglob: false,
+//   isGlobstar: false,
+//   negated: true,
+//   maxDepth: 2,
+//   tokens: [
+//     { value: '!./', depth: 0, isGlob: false, negated: true, isPrefix: true },
+//     { value: 'foo', depth: 1, isGlob: false },
+//     { value: '*.js', depth: 1, isGlob: true }
+//   ],
+//   slashes: [ 2, 6 ],
+//   parts: [ 'foo', '*.js' ]
+// }
+```
+
+<br>
+
+### Options Examples
+
+#### options.expandRange
+
+**Type**: `function`
+
+**Default**: `undefined`
+
+Custom function for expanding ranges in brace patterns. The [fill-range](https://github.com/jonschlinkert/fill-range) library is ideal for this purpose, or you can use custom code to do whatever you need.
+
+**Example**
+
+The following example shows how to create a glob that matches a folder
+
+```js
+const fill = require('fill-range');
+const regex = pm.makeRe('foo/{01..25}/bar', {
+  expandRange(a, b) {
+    return `(${fill(a, b, { toRegex: true })})`;
+  }
+});
+
+console.log(regex);
+//=> /^(?:foo\/((?:0[1-9]|1[0-9]|2[0-5]))\/bar)$/
+
+console.log(regex.test('foo/00/bar'))  // false
+console.log(regex.test('foo/01/bar'))  // true
+console.log(regex.test('foo/10/bar')) // true
+console.log(regex.test('foo/22/bar')) // true
+console.log(regex.test('foo/25/bar')) // true
+console.log(regex.test('foo/26/bar')) // false
+```
+
+#### options.format
+
+**Type**: `function`
+
+**Default**: `undefined`
+
+Custom function for formatting strings before they're matched.
+
+**Example**
+
+```js
+// strip leading './' from strings
+const format = str => str.replace(/^\.\//, '');
+const isMatch = picomatch('foo/*.js', { format });
+console.log(isMatch('./foo/bar.js')); //=> true
+```
+
+#### options.onMatch
+
+```js
+const onMatch = ({ glob, regex, input, output }) => {
+  console.log({ glob, regex, input, output });
+};
+
+const isMatch = picomatch('*', { onMatch });
+isMatch('foo');
+isMatch('bar');
+isMatch('baz');
+```
+
+#### options.onIgnore
+
+```js
+const onIgnore = ({ glob, regex, input, output }) => {
+  console.log({ glob, regex, input, output });
+};
+
+const isMatch = picomatch('*', { onIgnore, ignore: 'f*' });
+isMatch('foo');
+isMatch('bar');
+isMatch('baz');
+```
+
+#### options.onResult
+
+```js
+const onResult = ({ glob, regex, input, output }) => {
+  console.log({ glob, regex, input, output });
+};
+
+const isMatch = picomatch('*', { onResult, ignore: 'f*' });
+isMatch('foo');
+isMatch('bar');
+isMatch('baz');
+```
+
+<br>
+<br>
+
+## Globbing features
+
+* [Basic globbing](#basic-globbing) (Wildcard matching)
+* [Advanced globbing](#advanced-globbing) (extglobs, posix brackets, brace matching)
+
+### Basic globbing
+
+| **Character** | **Description** |
+| --- | --- |
+| `*` | Matches any character zero or more times, excluding path separators. Does _not match_ path separators or hidden files or directories ("dotfiles"), unless explicitly enabled by setting the `dot` option to `true`. |
+| `**` | Matches any character zero or more times, including path separators. Note that `**` will only match path separators (`/`, and `\\` on Windows) when they are the only characters in a path segment. Thus, `foo**/bar` is equivalent to `foo*/bar`, and `foo/a**b/bar` is equivalent to `foo/a*b/bar`, and _more than two_ consecutive stars in a glob path segment are regarded as _a single star_. Thus, `foo/***/bar` is equivalent to `foo/*/bar`. |
+| `?` | Matches any character excluding path separators one time. Does _not match_ path separators or leading dots.  |
+| `[abc]` | Matches any characters inside the brackets. For example, `[abc]` would match the characters `a`, `b` or `c`, and nothing else. |
+
+#### Matching behavior vs. Bash
+
+Picomatch's matching features and expected results in unit tests are based on Bash's unit tests and the Bash 4.3 specification, with the following exceptions:
+
+* Bash will match `foo/bar/baz` with `*`. Picomatch only matches nested directories with `**`.
+* Bash greedily matches with negated extglobs. For example, Bash 4.3 says that `!(foo)*` should match `foo` and `foobar`, since the trailing `*` bracktracks to match the preceding pattern. This is very memory-inefficient, and IMHO, also incorrect. Picomatch would return `false` for both `foo` and `foobar`.
+
+<br>
+
+### Advanced globbing
+
+* [extglobs](#extglobs)
+* [POSIX brackets](#posix-brackets)
+* [Braces](#brace-expansion)
+
+#### Extglobs
+
+| **Pattern** | **Description** |
+| --- | --- |
+| `@(pattern)` | Match _only one_ consecutive occurrence of `pattern` |
+| `*(pattern)` | Match _zero or more_ consecutive occurrences of `pattern` |
+| `+(pattern)` | Match _one or more_ consecutive occurrences of `pattern` |
+| `?(pattern)` | Match _zero or **one**_ consecutive occurrences of `pattern` |
+| `!(pattern)` | Match _anything but_ `pattern` |
+
+**Examples**
+
+```js
+const pm = require('picomatch');
+
+// *(pattern) matches ZERO or more of "pattern"
+console.log(pm.isMatch('a', 'a*(z)')); // true
+console.log(pm.isMatch('az', 'a*(z)')); // true
+console.log(pm.isMatch('azzz', 'a*(z)')); // true
+
+// +(pattern) matches ONE or more of "pattern"
+console.log(pm.isMatch('a', 'a*(z)')); // true
+console.log(pm.isMatch('az', 'a*(z)')); // true
+console.log(pm.isMatch('azzz', 'a*(z)')); // true
+
+// supports multiple extglobs
+console.log(pm.isMatch('foo.bar', '!(foo).!(bar)')); // false
+
+// supports nested extglobs
+console.log(pm.isMatch('foo.bar', '!(!(foo)).!(!(bar))')); // true
+```
+
+#### POSIX brackets
+
+POSIX classes are disabled by default. Enable this feature by setting the `posix` option to true.
+
+**Enable POSIX bracket support**
+
+```js
+console.log(pm.makeRe('[[:word:]]+', { posix: true }));
+//=> /^(?:(?=.)[A-Za-z0-9_]+\/?)$/
+```
+
+**Supported POSIX classes**
+
+The following named POSIX bracket expressions are supported:
+
+* `[:alnum:]` - Alphanumeric characters, equ `[a-zA-Z0-9]`
+* `[:alpha:]` - Alphabetical characters, equivalent to `[a-zA-Z]`.
+* `[:ascii:]` - ASCII characters, equivalent to `[\\x00-\\x7F]`.
+* `[:blank:]` - Space and tab characters, equivalent to `[ \\t]`.
+* `[:cntrl:]` - Control characters, equivalent to `[\\x00-\\x1F\\x7F]`.
+* `[:digit:]` - Numerical digits, equivalent to `[0-9]`.
+* `[:graph:]` - Graph characters, equivalent to `[\\x21-\\x7E]`.
+* `[:lower:]` - Lowercase letters, equivalent to `[a-z]`.
+* `[:print:]` - Print characters, equivalent to `[\\x20-\\x7E ]`.
+* `[:punct:]` - Punctuation and symbols, equivalent to `[\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~]`.
+* `[:space:]` - Extended space characters, equivalent to `[ \\t\\r\\n\\v\\f]`.
+* `[:upper:]` - Uppercase letters, equivalent to `[A-Z]`.
+* `[:word:]` -  Word characters (letters, numbers and underscores), equivalent to `[A-Za-z0-9_]`.
+* `[:xdigit:]` - Hexadecimal digits, equivalent to `[A-Fa-f0-9]`.
+
+See the [Bash Reference Manual](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html) for more information.
+
+### Braces
+
+Picomatch does not do brace expansion. For [brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html) and advanced matching with braces, use [micromatch](https://github.com/micromatch/micromatch) instead. Picomatch has very basic support for braces.
+
+### Matching special characters as literals
+
+If you wish to match the following special characters in a filepath, and you want to use these characters in your glob pattern, they must be escaped with backslashes or quotes:
+
+**Special Characters**
+
+Some characters that are used for matching in regular expressions are also regarded as valid file path characters on some platforms.
+
+To match any of the following characters as literals: `$^*+?()[]
+
+Examples:
+
+```js
+console.log(pm.makeRe('foo/bar \\(1\\)'));
+console.log(pm.makeRe('foo/bar \\(1\\)'));
+```
+
+<br>
+<br>
+
+## Library Comparisons
+
+The following table shows which features are supported by [minimatch](https://github.com/isaacs/minimatch), [micromatch](https://github.com/micromatch/micromatch), [picomatch](https://github.com/micromatch/picomatch), [nanomatch](https://github.com/micromatch/nanomatch), [extglob](https://github.com/micromatch/extglob), [braces](https://github.com/micromatch/braces), and [expand-brackets](https://github.com/micromatch/expand-brackets).
+
+| **Feature** | `minimatch` | `micromatch` | `picomatch` | `nanomatch` | `extglob` | `braces` | `expand-brackets` |
+| --- | --- | --- | --- | --- | --- | --- | --- |
+| Wildcard matching (`*?+`) | ✔ | ✔ | ✔ | ✔ | - | - | - |
+| Advancing globbing        | ✔ | ✔ | ✔ | - | - | - | - |
+| Brace _matching_          | ✔ | ✔ | ✔ | - | - | ✔ | - |
+| Brace _expansion_         | ✔ | ✔ | - | - | - | ✔ | - |
+| Extglobs                  | partial | ✔ | ✔ | - | ✔ | - | - |
+| Posix brackets            | - | ✔ | ✔ | - | - | - | ✔ |
+| Regular expression syntax | - | ✔ | ✔ | ✔ | ✔ | - | ✔ |
+| File system operations    | - | - | - | - | - | - | - |
+
+<br>
+<br>
+
+## Benchmarks
+
+Performance comparison of picomatch and minimatch.
+
+```
+# .makeRe star
+  picomatch x 1,993,050 ops/sec ±0.51% (91 runs sampled)
+  minimatch x 627,206 ops/sec ±1.96% (87 runs sampled))
+
+# .makeRe star; dot=true
+  picomatch x 1,436,640 ops/sec ±0.62% (91 runs sampled)
+  minimatch x 525,876 ops/sec ±0.60% (88 runs sampled)
+
+# .makeRe globstar
+  picomatch x 1,592,742 ops/sec ±0.42% (90 runs sampled)
+  minimatch x 962,043 ops/sec ±1.76% (91 runs sampled)d)
+
+# .makeRe globstars
+  picomatch x 1,615,199 ops/sec ±0.35% (94 runs sampled)
+  minimatch x 477,179 ops/sec ±1.33% (91 runs sampled)
+
+# .makeRe with leading star
+  picomatch x 1,220,856 ops/sec ±0.40% (92 runs sampled)
+  minimatch x 453,564 ops/sec ±1.43% (94 runs sampled)
+
+# .makeRe - basic braces
+  picomatch x 392,067 ops/sec ±0.70% (90 runs sampled)
+  minimatch x 99,532 ops/sec ±2.03% (87 runs sampled))
+```
+
+<br>
+<br>
+
+## Philosophies
+
+The goal of this library is to be blazing fast, without compromising on accuracy.
+
+**Accuracy**
+
+The number one of goal of this library is accuracy. However, it's not unusual for different glob implementations to have different rules for matching behavior, even with simple wildcard matching. It gets increasingly more complicated when combinations of different features are combined, like when extglobs are combined with globstars, braces, slashes, and so on: `!(**/{a,b,*/c})`.
+
+Thus, given that there is no canonical glob specification to use as a single source of truth when differences of opinion arise regarding behavior, sometimes we have to implement our best judgement and rely on feedback from users to make improvements.
+
+**Performance**
+
+Although this library performs well in benchmarks, and in most cases it's faster than other popular libraries we benchmarked against, we will always choose accuracy over performance. It's not helpful to anyone if our library is faster at returning the wrong answer.
+
+<br>
+<br>
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+### License
+
+Copyright © 2017-present, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
diff --git a/node_modules/picomatch/index.js b/node_modules/picomatch/index.js
new file mode 100644
index 00000000..d2f2bc59
--- /dev/null
+++ b/node_modules/picomatch/index.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./lib/picomatch');
diff --git a/node_modules/picomatch/lib/constants.js b/node_modules/picomatch/lib/constants.js
new file mode 100644
index 00000000..a62ef387
--- /dev/null
+++ b/node_modules/picomatch/lib/constants.js
@@ -0,0 +1,179 @@
+'use strict';
+
+const path = require('path');
+const WIN_SLASH = '\\\\/';
+const WIN_NO_SLASH = `[^${WIN_SLASH}]`;
+
+/**
+ * Posix glob regex
+ */
+
+const DOT_LITERAL = '\\.';
+const PLUS_LITERAL = '\\+';
+const QMARK_LITERAL = '\\?';
+const SLASH_LITERAL = '\\/';
+const ONE_CHAR = '(?=.)';
+const QMARK = '[^/]';
+const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`;
+const START_ANCHOR = `(?:^|${SLASH_LITERAL})`;
+const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`;
+const NO_DOT = `(?!${DOT_LITERAL})`;
+const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`;
+const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`;
+const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`;
+const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`;
+const STAR = `${QMARK}*?`;
+
+const POSIX_CHARS = {
+  DOT_LITERAL,
+  PLUS_LITERAL,
+  QMARK_LITERAL,
+  SLASH_LITERAL,
+  ONE_CHAR,
+  QMARK,
+  END_ANCHOR,
+  DOTS_SLASH,
+  NO_DOT,
+  NO_DOTS,
+  NO_DOT_SLASH,
+  NO_DOTS_SLASH,
+  QMARK_NO_DOT,
+  STAR,
+  START_ANCHOR
+};
+
+/**
+ * Windows glob regex
+ */
+
+const WINDOWS_CHARS = {
+  ...POSIX_CHARS,
+
+  SLASH_LITERAL: `[${WIN_SLASH}]`,
+  QMARK: WIN_NO_SLASH,
+  STAR: `${WIN_NO_SLASH}*?`,
+  DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`,
+  NO_DOT: `(?!${DOT_LITERAL})`,
+  NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
+  NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`,
+  NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
+  QMARK_NO_DOT: `[^.${WIN_SLASH}]`,
+  START_ANCHOR: `(?:^|[${WIN_SLASH}])`,
+  END_ANCHOR: `(?:[${WIN_SLASH}]|$)`
+};
+
+/**
+ * POSIX Bracket Regex
+ */
+
+const POSIX_REGEX_SOURCE = {
+  alnum: 'a-zA-Z0-9',
+  alpha: 'a-zA-Z',
+  ascii: '\\x00-\\x7F',
+  blank: ' \\t',
+  cntrl: '\\x00-\\x1F\\x7F',
+  digit: '0-9',
+  graph: '\\x21-\\x7E',
+  lower: 'a-z',
+  print: '\\x20-\\x7E ',
+  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
+  space: ' \\t\\r\\n\\v\\f',
+  upper: 'A-Z',
+  word: 'A-Za-z0-9_',
+  xdigit: 'A-Fa-f0-9'
+};
+
+module.exports = {
+  MAX_LENGTH: 1024 * 64,
+  POSIX_REGEX_SOURCE,
+
+  // regular expressions
+  REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g,
+  REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/,
+  REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/,
+  REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g,
+  REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g,
+  REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g,
+
+  // Replace globs with equivalent patterns to reduce parsing time.
+  REPLACEMENTS: {
+    '***': '*',
+    '**/**': '**',
+    '**/**/**': '**'
+  },
+
+  // Digits
+  CHAR_0: 48, /* 0 */
+  CHAR_9: 57, /* 9 */
+
+  // Alphabet chars.
+  CHAR_UPPERCASE_A: 65, /* A */
+  CHAR_LOWERCASE_A: 97, /* a */
+  CHAR_UPPERCASE_Z: 90, /* Z */
+  CHAR_LOWERCASE_Z: 122, /* z */
+
+  CHAR_LEFT_PARENTHESES: 40, /* ( */
+  CHAR_RIGHT_PARENTHESES: 41, /* ) */
+
+  CHAR_ASTERISK: 42, /* * */
+
+  // Non-alphabetic chars.
+  CHAR_AMPERSAND: 38, /* & */
+  CHAR_AT: 64, /* @ */
+  CHAR_BACKWARD_SLASH: 92, /* \ */
+  CHAR_CARRIAGE_RETURN: 13, /* \r */
+  CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */
+  CHAR_COLON: 58, /* : */
+  CHAR_COMMA: 44, /* , */
+  CHAR_DOT: 46, /* . */
+  CHAR_DOUBLE_QUOTE: 34, /* " */
+  CHAR_EQUAL: 61, /* = */
+  CHAR_EXCLAMATION_MARK: 33, /* ! */
+  CHAR_FORM_FEED: 12, /* \f */
+  CHAR_FORWARD_SLASH: 47, /* / */
+  CHAR_GRAVE_ACCENT: 96, /* ` */
+  CHAR_HASH: 35, /* # */
+  CHAR_HYPHEN_MINUS: 45, /* - */
+  CHAR_LEFT_ANGLE_BRACKET: 60, /* < */
+  CHAR_LEFT_CURLY_BRACE: 123, /* { */
+  CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */
+  CHAR_LINE_FEED: 10, /* \n */
+  CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */
+  CHAR_PERCENT: 37, /* % */
+  CHAR_PLUS: 43, /* + */
+  CHAR_QUESTION_MARK: 63, /* ? */
+  CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */
+  CHAR_RIGHT_CURLY_BRACE: 125, /* } */
+  CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */
+  CHAR_SEMICOLON: 59, /* ; */
+  CHAR_SINGLE_QUOTE: 39, /* ' */
+  CHAR_SPACE: 32, /*   */
+  CHAR_TAB: 9, /* \t */
+  CHAR_UNDERSCORE: 95, /* _ */
+  CHAR_VERTICAL_LINE: 124, /* | */
+  CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */
+
+  SEP: path.sep,
+
+  /**
+   * Create EXTGLOB_CHARS
+   */
+
+  extglobChars(chars) {
+    return {
+      '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },
+      '?': { type: 'qmark', open: '(?:', close: ')?' },
+      '+': { type: 'plus', open: '(?:', close: ')+' },
+      '*': { type: 'star', open: '(?:', close: ')*' },
+      '@': { type: 'at', open: '(?:', close: ')' }
+    };
+  },
+
+  /**
+   * Create GLOB_CHARS
+   */
+
+  globChars(win32) {
+    return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;
+  }
+};
diff --git a/node_modules/picomatch/lib/parse.js b/node_modules/picomatch/lib/parse.js
new file mode 100644
index 00000000..58269d01
--- /dev/null
+++ b/node_modules/picomatch/lib/parse.js
@@ -0,0 +1,1091 @@
+'use strict';
+
+const constants = require('./constants');
+const utils = require('./utils');
+
+/**
+ * Constants
+ */
+
+const {
+  MAX_LENGTH,
+  POSIX_REGEX_SOURCE,
+  REGEX_NON_SPECIAL_CHARS,
+  REGEX_SPECIAL_CHARS_BACKREF,
+  REPLACEMENTS
+} = constants;
+
+/**
+ * Helpers
+ */
+
+const expandRange = (args, options) => {
+  if (typeof options.expandRange === 'function') {
+    return options.expandRange(...args, options);
+  }
+
+  args.sort();
+  const value = `[${args.join('-')}]`;
+
+  try {
+    /* eslint-disable-next-line no-new */
+    new RegExp(value);
+  } catch (ex) {
+    return args.map(v => utils.escapeRegex(v)).join('..');
+  }
+
+  return value;
+};
+
+/**
+ * Create the message for a syntax error
+ */
+
+const syntaxError = (type, char) => {
+  return `Missing ${type}: "${char}" - use "\\\\${char}" to match literal characters`;
+};
+
+/**
+ * Parse the given input string.
+ * @param {String} input
+ * @param {Object} options
+ * @return {Object}
+ */
+
+const parse = (input, options) => {
+  if (typeof input !== 'string') {
+    throw new TypeError('Expected a string');
+  }
+
+  input = REPLACEMENTS[input] || input;
+
+  const opts = { ...options };
+  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+
+  let len = input.length;
+  if (len > max) {
+    throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
+  }
+
+  const bos = { type: 'bos', value: '', output: opts.prepend || '' };
+  const tokens = [bos];
+
+  const capture = opts.capture ? '' : '?:';
+  const win32 = utils.isWindows(options);
+
+  // create constants based on platform, for windows or posix
+  const PLATFORM_CHARS = constants.globChars(win32);
+  const EXTGLOB_CHARS = constants.extglobChars(PLATFORM_CHARS);
+
+  const {
+    DOT_LITERAL,
+    PLUS_LITERAL,
+    SLASH_LITERAL,
+    ONE_CHAR,
+    DOTS_SLASH,
+    NO_DOT,
+    NO_DOT_SLASH,
+    NO_DOTS_SLASH,
+    QMARK,
+    QMARK_NO_DOT,
+    STAR,
+    START_ANCHOR
+  } = PLATFORM_CHARS;
+
+  const globstar = opts => {
+    return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
+  };
+
+  const nodot = opts.dot ? '' : NO_DOT;
+  const qmarkNoDot = opts.dot ? QMARK : QMARK_NO_DOT;
+  let star = opts.bash === true ? globstar(opts) : STAR;
+
+  if (opts.capture) {
+    star = `(${star})`;
+  }
+
+  // minimatch options support
+  if (typeof opts.noext === 'boolean') {
+    opts.noextglob = opts.noext;
+  }
+
+  const state = {
+    input,
+    index: -1,
+    start: 0,
+    dot: opts.dot === true,
+    consumed: '',
+    output: '',
+    prefix: '',
+    backtrack: false,
+    negated: false,
+    brackets: 0,
+    braces: 0,
+    parens: 0,
+    quotes: 0,
+    globstar: false,
+    tokens
+  };
+
+  input = utils.removePrefix(input, state);
+  len = input.length;
+
+  const extglobs = [];
+  const braces = [];
+  const stack = [];
+  let prev = bos;
+  let value;
+
+  /**
+   * Tokenizing helpers
+   */
+
+  const eos = () => state.index === len - 1;
+  const peek = state.peek = (n = 1) => input[state.index + n];
+  const advance = state.advance = () => input[++state.index] || '';
+  const remaining = () => input.slice(state.index + 1);
+  const consume = (value = '', num = 0) => {
+    state.consumed += value;
+    state.index += num;
+  };
+
+  const append = token => {
+    state.output += token.output != null ? token.output : token.value;
+    consume(token.value);
+  };
+
+  const negate = () => {
+    let count = 1;
+
+    while (peek() === '!' && (peek(2) !== '(' || peek(3) === '?')) {
+      advance();
+      state.start++;
+      count++;
+    }
+
+    if (count % 2 === 0) {
+      return false;
+    }
+
+    state.negated = true;
+    state.start++;
+    return true;
+  };
+
+  const increment = type => {
+    state[type]++;
+    stack.push(type);
+  };
+
+  const decrement = type => {
+    state[type]--;
+    stack.pop();
+  };
+
+  /**
+   * Push tokens onto the tokens array. This helper speeds up
+   * tokenizing by 1) helping us avoid backtracking as much as possible,
+   * and 2) helping us avoid creating extra tokens when consecutive
+   * characters are plain text. This improves performance and simplifies
+   * lookbehinds.
+   */
+
+  const push = tok => {
+    if (prev.type === 'globstar') {
+      const isBrace = state.braces > 0 && (tok.type === 'comma' || tok.type === 'brace');
+      const isExtglob = tok.extglob === true || (extglobs.length && (tok.type === 'pipe' || tok.type === 'paren'));
+
+      if (tok.type !== 'slash' && tok.type !== 'paren' && !isBrace && !isExtglob) {
+        state.output = state.output.slice(0, -prev.output.length);
+        prev.type = 'star';
+        prev.value = '*';
+        prev.output = star;
+        state.output += prev.output;
+      }
+    }
+
+    if (extglobs.length && tok.type !== 'paren') {
+      extglobs[extglobs.length - 1].inner += tok.value;
+    }
+
+    if (tok.value || tok.output) append(tok);
+    if (prev && prev.type === 'text' && tok.type === 'text') {
+      prev.value += tok.value;
+      prev.output = (prev.output || '') + tok.value;
+      return;
+    }
+
+    tok.prev = prev;
+    tokens.push(tok);
+    prev = tok;
+  };
+
+  const extglobOpen = (type, value) => {
+    const token = { ...EXTGLOB_CHARS[value], conditions: 1, inner: '' };
+
+    token.prev = prev;
+    token.parens = state.parens;
+    token.output = state.output;
+    const output = (opts.capture ? '(' : '') + token.open;
+
+    increment('parens');
+    push({ type, value, output: state.output ? '' : ONE_CHAR });
+    push({ type: 'paren', extglob: true, value: advance(), output });
+    extglobs.push(token);
+  };
+
+  const extglobClose = token => {
+    let output = token.close + (opts.capture ? ')' : '');
+    let rest;
+
+    if (token.type === 'negate') {
+      let extglobStar = star;
+
+      if (token.inner && token.inner.length > 1 && token.inner.includes('/')) {
+        extglobStar = globstar(opts);
+      }
+
+      if (extglobStar !== star || eos() || /^\)+$/.test(remaining())) {
+        output = token.close = `)$))${extglobStar}`;
+      }
+
+      if (token.inner.includes('*') && (rest = remaining()) && /^\.[^\\/.]+$/.test(rest)) {
+        // Any non-magical string (`.ts`) or even nested expression (`.{ts,tsx}`) can follow after the closing parenthesis.
+        // In this case, we need to parse the string and use it in the output of the original pattern.
+        // Suitable patterns: `/!(*.d).ts`, `/!(*.d).{ts,tsx}`, `**/!(*-dbg).@(js)`.
+        //
+        // Disabling the `fastpaths` option due to a problem with parsing strings as `.ts` in the pattern like `**/!(*.d).ts`.
+        const expression = parse(rest, { ...options, fastpaths: false }).output;
+
+        output = token.close = `)${expression})${extglobStar})`;
+      }
+
+      if (token.prev.type === 'bos') {
+        state.negatedExtglob = true;
+      }
+    }
+
+    push({ type: 'paren', extglob: true, value, output });
+    decrement('parens');
+  };
+
+  /**
+   * Fast paths
+   */
+
+  if (opts.fastpaths !== false && !/(^[*!]|[/()[\]{}"])/.test(input)) {
+    let backslashes = false;
+
+    let output = input.replace(REGEX_SPECIAL_CHARS_BACKREF, (m, esc, chars, first, rest, index) => {
+      if (first === '\\') {
+        backslashes = true;
+        return m;
+      }
+
+      if (first === '?') {
+        if (esc) {
+          return esc + first + (rest ? QMARK.repeat(rest.length) : '');
+        }
+        if (index === 0) {
+          return qmarkNoDot + (rest ? QMARK.repeat(rest.length) : '');
+        }
+        return QMARK.repeat(chars.length);
+      }
+
+      if (first === '.') {
+        return DOT_LITERAL.repeat(chars.length);
+      }
+
+      if (first === '*') {
+        if (esc) {
+          return esc + first + (rest ? star : '');
+        }
+        return star;
+      }
+      return esc ? m : `\\${m}`;
+    });
+
+    if (backslashes === true) {
+      if (opts.unescape === true) {
+        output = output.replace(/\\/g, '');
+      } else {
+        output = output.replace(/\\+/g, m => {
+          return m.length % 2 === 0 ? '\\\\' : (m ? '\\' : '');
+        });
+      }
+    }
+
+    if (output === input && opts.contains === true) {
+      state.output = input;
+      return state;
+    }
+
+    state.output = utils.wrapOutput(output, state, options);
+    return state;
+  }
+
+  /**
+   * Tokenize input until we reach end-of-string
+   */
+
+  while (!eos()) {
+    value = advance();
+
+    if (value === '\u0000') {
+      continue;
+    }
+
+    /**
+     * Escaped characters
+     */
+
+    if (value === '\\') {
+      const next = peek();
+
+      if (next === '/' && opts.bash !== true) {
+        continue;
+      }
+
+      if (next === '.' || next === ';') {
+        continue;
+      }
+
+      if (!next) {
+        value += '\\';
+        push({ type: 'text', value });
+        continue;
+      }
+
+      // collapse slashes to reduce potential for exploits
+      const match = /^\\+/.exec(remaining());
+      let slashes = 0;
+
+      if (match && match[0].length > 2) {
+        slashes = match[0].length;
+        state.index += slashes;
+        if (slashes % 2 !== 0) {
+          value += '\\';
+        }
+      }
+
+      if (opts.unescape === true) {
+        value = advance();
+      } else {
+        value += advance();
+      }
+
+      if (state.brackets === 0) {
+        push({ type: 'text', value });
+        continue;
+      }
+    }
+
+    /**
+     * If we're inside a regex character class, continue
+     * until we reach the closing bracket.
+     */
+
+    if (state.brackets > 0 && (value !== ']' || prev.value === '[' || prev.value === '[^')) {
+      if (opts.posix !== false && value === ':') {
+        const inner = prev.value.slice(1);
+        if (inner.includes('[')) {
+          prev.posix = true;
+
+          if (inner.includes(':')) {
+            const idx = prev.value.lastIndexOf('[');
+            const pre = prev.value.slice(0, idx);
+            const rest = prev.value.slice(idx + 2);
+            const posix = POSIX_REGEX_SOURCE[rest];
+            if (posix) {
+              prev.value = pre + posix;
+              state.backtrack = true;
+              advance();
+
+              if (!bos.output && tokens.indexOf(prev) === 1) {
+                bos.output = ONE_CHAR;
+              }
+              continue;
+            }
+          }
+        }
+      }
+
+      if ((value === '[' && peek() !== ':') || (value === '-' && peek() === ']')) {
+        value = `\\${value}`;
+      }
+
+      if (value === ']' && (prev.value === '[' || prev.value === '[^')) {
+        value = `\\${value}`;
+      }
+
+      if (opts.posix === true && value === '!' && prev.value === '[') {
+        value = '^';
+      }
+
+      prev.value += value;
+      append({ value });
+      continue;
+    }
+
+    /**
+     * If we're inside a quoted string, continue
+     * until we reach the closing double quote.
+     */
+
+    if (state.quotes === 1 && value !== '"') {
+      value = utils.escapeRegex(value);
+      prev.value += value;
+      append({ value });
+      continue;
+    }
+
+    /**
+     * Double quotes
+     */
+
+    if (value === '"') {
+      state.quotes = state.quotes === 1 ? 0 : 1;
+      if (opts.keepQuotes === true) {
+        push({ type: 'text', value });
+      }
+      continue;
+    }
+
+    /**
+     * Parentheses
+     */
+
+    if (value === '(') {
+      increment('parens');
+      push({ type: 'paren', value });
+      continue;
+    }
+
+    if (value === ')') {
+      if (state.parens === 0 && opts.strictBrackets === true) {
+        throw new SyntaxError(syntaxError('opening', '('));
+      }
+
+      const extglob = extglobs[extglobs.length - 1];
+      if (extglob && state.parens === extglob.parens + 1) {
+        extglobClose(extglobs.pop());
+        continue;
+      }
+
+      push({ type: 'paren', value, output: state.parens ? ')' : '\\)' });
+      decrement('parens');
+      continue;
+    }
+
+    /**
+     * Square brackets
+     */
+
+    if (value === '[') {
+      if (opts.nobracket === true || !remaining().includes(']')) {
+        if (opts.nobracket !== true && opts.strictBrackets === true) {
+          throw new SyntaxError(syntaxError('closing', ']'));
+        }
+
+        value = `\\${value}`;
+      } else {
+        increment('brackets');
+      }
+
+      push({ type: 'bracket', value });
+      continue;
+    }
+
+    if (value === ']') {
+      if (opts.nobracket === true || (prev && prev.type === 'bracket' && prev.value.length === 1)) {
+        push({ type: 'text', value, output: `\\${value}` });
+        continue;
+      }
+
+      if (state.brackets === 0) {
+        if (opts.strictBrackets === true) {
+          throw new SyntaxError(syntaxError('opening', '['));
+        }
+
+        push({ type: 'text', value, output: `\\${value}` });
+        continue;
+      }
+
+      decrement('brackets');
+
+      const prevValue = prev.value.slice(1);
+      if (prev.posix !== true && prevValue[0] === '^' && !prevValue.includes('/')) {
+        value = `/${value}`;
+      }
+
+      prev.value += value;
+      append({ value });
+
+      // when literal brackets are explicitly disabled
+      // assume we should match with a regex character class
+      if (opts.literalBrackets === false || utils.hasRegexChars(prevValue)) {
+        continue;
+      }
+
+      const escaped = utils.escapeRegex(prev.value);
+      state.output = state.output.slice(0, -prev.value.length);
+
+      // when literal brackets are explicitly enabled
+      // assume we should escape the brackets to match literal characters
+      if (opts.literalBrackets === true) {
+        state.output += escaped;
+        prev.value = escaped;
+        continue;
+      }
+
+      // when the user specifies nothing, try to match both
+      prev.value = `(${capture}${escaped}|${prev.value})`;
+      state.output += prev.value;
+      continue;
+    }
+
+    /**
+     * Braces
+     */
+
+    if (value === '{' && opts.nobrace !== true) {
+      increment('braces');
+
+      const open = {
+        type: 'brace',
+        value,
+        output: '(',
+        outputIndex: state.output.length,
+        tokensIndex: state.tokens.length
+      };
+
+      braces.push(open);
+      push(open);
+      continue;
+    }
+
+    if (value === '}') {
+      const brace = braces[braces.length - 1];
+
+      if (opts.nobrace === true || !brace) {
+        push({ type: 'text', value, output: value });
+        continue;
+      }
+
+      let output = ')';
+
+      if (brace.dots === true) {
+        const arr = tokens.slice();
+        const range = [];
+
+        for (let i = arr.length - 1; i >= 0; i--) {
+          tokens.pop();
+          if (arr[i].type === 'brace') {
+            break;
+          }
+          if (arr[i].type !== 'dots') {
+            range.unshift(arr[i].value);
+          }
+        }
+
+        output = expandRange(range, opts);
+        state.backtrack = true;
+      }
+
+      if (brace.comma !== true && brace.dots !== true) {
+        const out = state.output.slice(0, brace.outputIndex);
+        const toks = state.tokens.slice(brace.tokensIndex);
+        brace.value = brace.output = '\\{';
+        value = output = '\\}';
+        state.output = out;
+        for (const t of toks) {
+          state.output += (t.output || t.value);
+        }
+      }
+
+      push({ type: 'brace', value, output });
+      decrement('braces');
+      braces.pop();
+      continue;
+    }
+
+    /**
+     * Pipes
+     */
+
+    if (value === '|') {
+      if (extglobs.length > 0) {
+        extglobs[extglobs.length - 1].conditions++;
+      }
+      push({ type: 'text', value });
+      continue;
+    }
+
+    /**
+     * Commas
+     */
+
+    if (value === ',') {
+      let output = value;
+
+      const brace = braces[braces.length - 1];
+      if (brace && stack[stack.length - 1] === 'braces') {
+        brace.comma = true;
+        output = '|';
+      }
+
+      push({ type: 'comma', value, output });
+      continue;
+    }
+
+    /**
+     * Slashes
+     */
+
+    if (value === '/') {
+      // if the beginning of the glob is "./", advance the start
+      // to the current index, and don't add the "./" characters
+      // to the state. This greatly simplifies lookbehinds when
+      // checking for BOS characters like "!" and "." (not "./")
+      if (prev.type === 'dot' && state.index === state.start + 1) {
+        state.start = state.index + 1;
+        state.consumed = '';
+        state.output = '';
+        tokens.pop();
+        prev = bos; // reset "prev" to the first token
+        continue;
+      }
+
+      push({ type: 'slash', value, output: SLASH_LITERAL });
+      continue;
+    }
+
+    /**
+     * Dots
+     */
+
+    if (value === '.') {
+      if (state.braces > 0 && prev.type === 'dot') {
+        if (prev.value === '.') prev.output = DOT_LITERAL;
+        const brace = braces[braces.length - 1];
+        prev.type = 'dots';
+        prev.output += value;
+        prev.value += value;
+        brace.dots = true;
+        continue;
+      }
+
+      if ((state.braces + state.parens) === 0 && prev.type !== 'bos' && prev.type !== 'slash') {
+        push({ type: 'text', value, output: DOT_LITERAL });
+        continue;
+      }
+
+      push({ type: 'dot', value, output: DOT_LITERAL });
+      continue;
+    }
+
+    /**
+     * Question marks
+     */
+
+    if (value === '?') {
+      const isGroup = prev && prev.value === '(';
+      if (!isGroup && opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+        extglobOpen('qmark', value);
+        continue;
+      }
+
+      if (prev && prev.type === 'paren') {
+        const next = peek();
+        let output = value;
+
+        if (next === '<' && !utils.supportsLookbehinds()) {
+          throw new Error('Node.js v10 or higher is required for regex lookbehinds');
+        }
+
+        if ((prev.value === '(' && !/[!=<:]/.test(next)) || (next === '<' && !/<([!=]|\w+>)/.test(remaining()))) {
+          output = `\\${value}`;
+        }
+
+        push({ type: 'text', value, output });
+        continue;
+      }
+
+      if (opts.dot !== true && (prev.type === 'slash' || prev.type === 'bos')) {
+        push({ type: 'qmark', value, output: QMARK_NO_DOT });
+        continue;
+      }
+
+      push({ type: 'qmark', value, output: QMARK });
+      continue;
+    }
+
+    /**
+     * Exclamation
+     */
+
+    if (value === '!') {
+      if (opts.noextglob !== true && peek() === '(') {
+        if (peek(2) !== '?' || !/[!=<:]/.test(peek(3))) {
+          extglobOpen('negate', value);
+          continue;
+        }
+      }
+
+      if (opts.nonegate !== true && state.index === 0) {
+        negate();
+        continue;
+      }
+    }
+
+    /**
+     * Plus
+     */
+
+    if (value === '+') {
+      if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+        extglobOpen('plus', value);
+        continue;
+      }
+
+      if ((prev && prev.value === '(') || opts.regex === false) {
+        push({ type: 'plus', value, output: PLUS_LITERAL });
+        continue;
+      }
+
+      if ((prev && (prev.type === 'bracket' || prev.type === 'paren' || prev.type === 'brace')) || state.parens > 0) {
+        push({ type: 'plus', value });
+        continue;
+      }
+
+      push({ type: 'plus', value: PLUS_LITERAL });
+      continue;
+    }
+
+    /**
+     * Plain text
+     */
+
+    if (value === '@') {
+      if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+        push({ type: 'at', extglob: true, value, output: '' });
+        continue;
+      }
+
+      push({ type: 'text', value });
+      continue;
+    }
+
+    /**
+     * Plain text
+     */
+
+    if (value !== '*') {
+      if (value === '$' || value === '^') {
+        value = `\\${value}`;
+      }
+
+      const match = REGEX_NON_SPECIAL_CHARS.exec(remaining());
+      if (match) {
+        value += match[0];
+        state.index += match[0].length;
+      }
+
+      push({ type: 'text', value });
+      continue;
+    }
+
+    /**
+     * Stars
+     */
+
+    if (prev && (prev.type === 'globstar' || prev.star === true)) {
+      prev.type = 'star';
+      prev.star = true;
+      prev.value += value;
+      prev.output = star;
+      state.backtrack = true;
+      state.globstar = true;
+      consume(value);
+      continue;
+    }
+
+    let rest = remaining();
+    if (opts.noextglob !== true && /^\([^?]/.test(rest)) {
+      extglobOpen('star', value);
+      continue;
+    }
+
+    if (prev.type === 'star') {
+      if (opts.noglobstar === true) {
+        consume(value);
+        continue;
+      }
+
+      const prior = prev.prev;
+      const before = prior.prev;
+      const isStart = prior.type === 'slash' || prior.type === 'bos';
+      const afterStar = before && (before.type === 'star' || before.type === 'globstar');
+
+      if (opts.bash === true && (!isStart || (rest[0] && rest[0] !== '/'))) {
+        push({ type: 'star', value, output: '' });
+        continue;
+      }
+
+      const isBrace = state.braces > 0 && (prior.type === 'comma' || prior.type === 'brace');
+      const isExtglob = extglobs.length && (prior.type === 'pipe' || prior.type === 'paren');
+      if (!isStart && prior.type !== 'paren' && !isBrace && !isExtglob) {
+        push({ type: 'star', value, output: '' });
+        continue;
+      }
+
+      // strip consecutive `/**/`
+      while (rest.slice(0, 3) === '/**') {
+        const after = input[state.index + 4];
+        if (after && after !== '/') {
+          break;
+        }
+        rest = rest.slice(3);
+        consume('/**', 3);
+      }
+
+      if (prior.type === 'bos' && eos()) {
+        prev.type = 'globstar';
+        prev.value += value;
+        prev.output = globstar(opts);
+        state.output = prev.output;
+        state.globstar = true;
+        consume(value);
+        continue;
+      }
+
+      if (prior.type === 'slash' && prior.prev.type !== 'bos' && !afterStar && eos()) {
+        state.output = state.output.slice(0, -(prior.output + prev.output).length);
+        prior.output = `(?:${prior.output}`;
+
+        prev.type = 'globstar';
+        prev.output = globstar(opts) + (opts.strictSlashes ? ')' : '|$)');
+        prev.value += value;
+        state.globstar = true;
+        state.output += prior.output + prev.output;
+        consume(value);
+        continue;
+      }
+
+      if (prior.type === 'slash' && prior.prev.type !== 'bos' && rest[0] === '/') {
+        const end = rest[1] !== void 0 ? '|$' : '';
+
+        state.output = state.output.slice(0, -(prior.output + prev.output).length);
+        prior.output = `(?:${prior.output}`;
+
+        prev.type = 'globstar';
+        prev.output = `${globstar(opts)}${SLASH_LITERAL}|${SLASH_LITERAL}${end})`;
+        prev.value += value;
+
+        state.output += prior.output + prev.output;
+        state.globstar = true;
+
+        consume(value + advance());
+
+        push({ type: 'slash', value: '/', output: '' });
+        continue;
+      }
+
+      if (prior.type === 'bos' && rest[0] === '/') {
+        prev.type = 'globstar';
+        prev.value += value;
+        prev.output = `(?:^|${SLASH_LITERAL}|${globstar(opts)}${SLASH_LITERAL})`;
+        state.output = prev.output;
+        state.globstar = true;
+        consume(value + advance());
+        push({ type: 'slash', value: '/', output: '' });
+        continue;
+      }
+
+      // remove single star from output
+      state.output = state.output.slice(0, -prev.output.length);
+
+      // reset previous token to globstar
+      prev.type = 'globstar';
+      prev.output = globstar(opts);
+      prev.value += value;
+
+      // reset output with globstar
+      state.output += prev.output;
+      state.globstar = true;
+      consume(value);
+      continue;
+    }
+
+    const token = { type: 'star', value, output: star };
+
+    if (opts.bash === true) {
+      token.output = '.*?';
+      if (prev.type === 'bos' || prev.type === 'slash') {
+        token.output = nodot + token.output;
+      }
+      push(token);
+      continue;
+    }
+
+    if (prev && (prev.type === 'bracket' || prev.type === 'paren') && opts.regex === true) {
+      token.output = value;
+      push(token);
+      continue;
+    }
+
+    if (state.index === state.start || prev.type === 'slash' || prev.type === 'dot') {
+      if (prev.type === 'dot') {
+        state.output += NO_DOT_SLASH;
+        prev.output += NO_DOT_SLASH;
+
+      } else if (opts.dot === true) {
+        state.output += NO_DOTS_SLASH;
+        prev.output += NO_DOTS_SLASH;
+
+      } else {
+        state.output += nodot;
+        prev.output += nodot;
+      }
+
+      if (peek() !== '*') {
+        state.output += ONE_CHAR;
+        prev.output += ONE_CHAR;
+      }
+    }
+
+    push(token);
+  }
+
+  while (state.brackets > 0) {
+    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ']'));
+    state.output = utils.escapeLast(state.output, '[');
+    decrement('brackets');
+  }
+
+  while (state.parens > 0) {
+    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ')'));
+    state.output = utils.escapeLast(state.output, '(');
+    decrement('parens');
+  }
+
+  while (state.braces > 0) {
+    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', '}'));
+    state.output = utils.escapeLast(state.output, '{');
+    decrement('braces');
+  }
+
+  if (opts.strictSlashes !== true && (prev.type === 'star' || prev.type === 'bracket')) {
+    push({ type: 'maybe_slash', value: '', output: `${SLASH_LITERAL}?` });
+  }
+
+  // rebuild the output if we had to backtrack at any point
+  if (state.backtrack === true) {
+    state.output = '';
+
+    for (const token of state.tokens) {
+      state.output += token.output != null ? token.output : token.value;
+
+      if (token.suffix) {
+        state.output += token.suffix;
+      }
+    }
+  }
+
+  return state;
+};
+
+/**
+ * Fast paths for creating regular expressions for common glob patterns.
+ * This can significantly speed up processing and has very little downside
+ * impact when none of the fast paths match.
+ */
+
+parse.fastpaths = (input, options) => {
+  const opts = { ...options };
+  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+  const len = input.length;
+  if (len > max) {
+    throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
+  }
+
+  input = REPLACEMENTS[input] || input;
+  const win32 = utils.isWindows(options);
+
+  // create constants based on platform, for windows or posix
+  const {
+    DOT_LITERAL,
+    SLASH_LITERAL,
+    ONE_CHAR,
+    DOTS_SLASH,
+    NO_DOT,
+    NO_DOTS,
+    NO_DOTS_SLASH,
+    STAR,
+    START_ANCHOR
+  } = constants.globChars(win32);
+
+  const nodot = opts.dot ? NO_DOTS : NO_DOT;
+  const slashDot = opts.dot ? NO_DOTS_SLASH : NO_DOT;
+  const capture = opts.capture ? '' : '?:';
+  const state = { negated: false, prefix: '' };
+  let star = opts.bash === true ? '.*?' : STAR;
+
+  if (opts.capture) {
+    star = `(${star})`;
+  }
+
+  const globstar = opts => {
+    if (opts.noglobstar === true) return star;
+    return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
+  };
+
+  const create = str => {
+    switch (str) {
+      case '*':
+        return `${nodot}${ONE_CHAR}${star}`;
+
+      case '.*':
+        return `${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+      case '*.*':
+        return `${nodot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+      case '*/*':
+        return `${nodot}${star}${SLASH_LITERAL}${ONE_CHAR}${slashDot}${star}`;
+
+      case '**':
+        return nodot + globstar(opts);
+
+      case '**/*':
+        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${ONE_CHAR}${star}`;
+
+      case '**/*.*':
+        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+      case '**/.*':
+        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+      default: {
+        const match = /^(.*?)\.(\w+)$/.exec(str);
+        if (!match) return;
+
+        const source = create(match[1]);
+        if (!source) return;
+
+        return source + DOT_LITERAL + match[2];
+      }
+    }
+  };
+
+  const output = utils.removePrefix(input, state);
+  let source = create(output);
+
+  if (source && opts.strictSlashes !== true) {
+    source += `${SLASH_LITERAL}?`;
+  }
+
+  return source;
+};
+
+module.exports = parse;
diff --git a/node_modules/picomatch/lib/picomatch.js b/node_modules/picomatch/lib/picomatch.js
new file mode 100644
index 00000000..782d8094
--- /dev/null
+++ b/node_modules/picomatch/lib/picomatch.js
@@ -0,0 +1,342 @@
+'use strict';
+
+const path = require('path');
+const scan = require('./scan');
+const parse = require('./parse');
+const utils = require('./utils');
+const constants = require('./constants');
+const isObject = val => val && typeof val === 'object' && !Array.isArray(val);
+
+/**
+ * Creates a matcher function from one or more glob patterns. The
+ * returned function takes a string to match as its first argument,
+ * and returns true if the string is a match. The returned matcher
+ * function also takes a boolean as the second argument that, when true,
+ * returns an object with additional information.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch(glob[, options]);
+ *
+ * const isMatch = picomatch('*.!(*a)');
+ * console.log(isMatch('a.a')); //=> false
+ * console.log(isMatch('a.b')); //=> true
+ * ```
+ * @name picomatch
+ * @param {String|Array} `globs` One or more glob patterns.
+ * @param {Object=} `options`
+ * @return {Function=} Returns a matcher function.
+ * @api public
+ */
+
+const picomatch = (glob, options, returnState = false) => {
+  if (Array.isArray(glob)) {
+    const fns = glob.map(input => picomatch(input, options, returnState));
+    const arrayMatcher = str => {
+      for (const isMatch of fns) {
+        const state = isMatch(str);
+        if (state) return state;
+      }
+      return false;
+    };
+    return arrayMatcher;
+  }
+
+  const isState = isObject(glob) && glob.tokens && glob.input;
+
+  if (glob === '' || (typeof glob !== 'string' && !isState)) {
+    throw new TypeError('Expected pattern to be a non-empty string');
+  }
+
+  const opts = options || {};
+  const posix = utils.isWindows(options);
+  const regex = isState
+    ? picomatch.compileRe(glob, options)
+    : picomatch.makeRe(glob, options, false, true);
+
+  const state = regex.state;
+  delete regex.state;
+
+  let isIgnored = () => false;
+  if (opts.ignore) {
+    const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null };
+    isIgnored = picomatch(opts.ignore, ignoreOpts, returnState);
+  }
+
+  const matcher = (input, returnObject = false) => {
+    const { isMatch, match, output } = picomatch.test(input, regex, options, { glob, posix });
+    const result = { glob, state, regex, posix, input, output, match, isMatch };
+
+    if (typeof opts.onResult === 'function') {
+      opts.onResult(result);
+    }
+
+    if (isMatch === false) {
+      result.isMatch = false;
+      return returnObject ? result : false;
+    }
+
+    if (isIgnored(input)) {
+      if (typeof opts.onIgnore === 'function') {
+        opts.onIgnore(result);
+      }
+      result.isMatch = false;
+      return returnObject ? result : false;
+    }
+
+    if (typeof opts.onMatch === 'function') {
+      opts.onMatch(result);
+    }
+    return returnObject ? result : true;
+  };
+
+  if (returnState) {
+    matcher.state = state;
+  }
+
+  return matcher;
+};
+
+/**
+ * Test `input` with the given `regex`. This is used by the main
+ * `picomatch()` function to test the input string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.test(input, regex[, options]);
+ *
+ * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/));
+ * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' }
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp} `regex`
+ * @return {Object} Returns an object with matching info.
+ * @api public
+ */
+
+picomatch.test = (input, regex, options, { glob, posix } = {}) => {
+  if (typeof input !== 'string') {
+    throw new TypeError('Expected input to be a string');
+  }
+
+  if (input === '') {
+    return { isMatch: false, output: '' };
+  }
+
+  const opts = options || {};
+  const format = opts.format || (posix ? utils.toPosixSlashes : null);
+  let match = input === glob;
+  let output = (match && format) ? format(input) : input;
+
+  if (match === false) {
+    output = format ? format(input) : input;
+    match = output === glob;
+  }
+
+  if (match === false || opts.capture === true) {
+    if (opts.matchBase === true || opts.basename === true) {
+      match = picomatch.matchBase(input, regex, options, posix);
+    } else {
+      match = regex.exec(output);
+    }
+  }
+
+  return { isMatch: Boolean(match), match, output };
+};
+
+/**
+ * Match the basename of a filepath.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.matchBase(input, glob[, options]);
+ * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe).
+ * @return {Boolean}
+ * @api public
+ */
+
+picomatch.matchBase = (input, glob, options, posix = utils.isWindows(options)) => {
+  const regex = glob instanceof RegExp ? glob : picomatch.makeRe(glob, options);
+  return regex.test(path.basename(input));
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns` match the specified `string`.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.isMatch(string, patterns[, options]);
+ *
+ * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true
+ * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false
+ * ```
+ * @param {String|Array} str The string to test.
+ * @param {String|Array} patterns One or more glob patterns to use for matching.
+ * @param {Object} [options] See available [options](#options).
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+picomatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str);
+
+/**
+ * Parse a glob pattern to create the source string for a regular
+ * expression.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const result = picomatch.parse(pattern[, options]);
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with useful properties and output to be used as a regex source string.
+ * @api public
+ */
+
+picomatch.parse = (pattern, options) => {
+  if (Array.isArray(pattern)) return pattern.map(p => picomatch.parse(p, options));
+  return parse(pattern, { ...options, fastpaths: false });
+};
+
+/**
+ * Scan a glob pattern to separate the pattern into segments.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.scan(input[, options]);
+ *
+ * const result = picomatch.scan('!./foo/*.js');
+ * console.log(result);
+ * { prefix: '!./',
+ *   input: '!./foo/*.js',
+ *   start: 3,
+ *   base: 'foo',
+ *   glob: '*.js',
+ *   isBrace: false,
+ *   isBracket: false,
+ *   isGlob: true,
+ *   isExtglob: false,
+ *   isGlobstar: false,
+ *   negated: true }
+ * ```
+ * @param {String} `input` Glob pattern to scan.
+ * @param {Object} `options`
+ * @return {Object} Returns an object with
+ * @api public
+ */
+
+picomatch.scan = (input, options) => scan(input, options);
+
+/**
+ * Compile a regular expression from the `state` object returned by the
+ * [parse()](#parse) method.
+ *
+ * @param {Object} `state`
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Intended for implementors, this argument allows you to return the raw output from the parser.
+ * @param {Boolean} `returnState` Adds the state to a `state` property on the returned regex. Useful for implementors and debugging.
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.compileRe = (state, options, returnOutput = false, returnState = false) => {
+  if (returnOutput === true) {
+    return state.output;
+  }
+
+  const opts = options || {};
+  const prepend = opts.contains ? '' : '^';
+  const append = opts.contains ? '' : '$';
+
+  let source = `${prepend}(?:${state.output})${append}`;
+  if (state && state.negated === true) {
+    source = `^(?!${source}).*$`;
+  }
+
+  const regex = picomatch.toRegex(source, options);
+  if (returnState === true) {
+    regex.state = state;
+  }
+
+  return regex;
+};
+
+/**
+ * Create a regular expression from a parsed glob pattern.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const state = picomatch.parse('*.js');
+ * // picomatch.compileRe(state[, options]);
+ *
+ * console.log(picomatch.compileRe(state));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `state` The object returned from the `.parse` method.
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result.
+ * @param {Boolean} `returnState` Implementors may use this argument to return the state from the parsed glob with the returned regular expression.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+picomatch.makeRe = (input, options = {}, returnOutput = false, returnState = false) => {
+  if (!input || typeof input !== 'string') {
+    throw new TypeError('Expected a non-empty string');
+  }
+
+  let parsed = { negated: false, fastpaths: true };
+
+  if (options.fastpaths !== false && (input[0] === '.' || input[0] === '*')) {
+    parsed.output = parse.fastpaths(input, options);
+  }
+
+  if (!parsed.output) {
+    parsed = parse(input, options);
+  }
+
+  return picomatch.compileRe(parsed, options, returnOutput, returnState);
+};
+
+/**
+ * Create a regular expression from the given regex source string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.toRegex(source[, options]);
+ *
+ * const { output } = picomatch.parse('*.js');
+ * console.log(picomatch.toRegex(output));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `source` Regular expression source string.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.toRegex = (source, options) => {
+  try {
+    const opts = options || {};
+    return new RegExp(source, opts.flags || (opts.nocase ? 'i' : ''));
+  } catch (err) {
+    if (options && options.debug === true) throw err;
+    return /$^/;
+  }
+};
+
+/**
+ * Picomatch constants.
+ * @return {Object}
+ */
+
+picomatch.constants = constants;
+
+/**
+ * Expose "picomatch"
+ */
+
+module.exports = picomatch;
diff --git a/node_modules/picomatch/lib/scan.js b/node_modules/picomatch/lib/scan.js
new file mode 100644
index 00000000..e59cd7a1
--- /dev/null
+++ b/node_modules/picomatch/lib/scan.js
@@ -0,0 +1,391 @@
+'use strict';
+
+const utils = require('./utils');
+const {
+  CHAR_ASTERISK,             /* * */
+  CHAR_AT,                   /* @ */
+  CHAR_BACKWARD_SLASH,       /* \ */
+  CHAR_COMMA,                /* , */
+  CHAR_DOT,                  /* . */
+  CHAR_EXCLAMATION_MARK,     /* ! */
+  CHAR_FORWARD_SLASH,        /* / */
+  CHAR_LEFT_CURLY_BRACE,     /* { */
+  CHAR_LEFT_PARENTHESES,     /* ( */
+  CHAR_LEFT_SQUARE_BRACKET,  /* [ */
+  CHAR_PLUS,                 /* + */
+  CHAR_QUESTION_MARK,        /* ? */
+  CHAR_RIGHT_CURLY_BRACE,    /* } */
+  CHAR_RIGHT_PARENTHESES,    /* ) */
+  CHAR_RIGHT_SQUARE_BRACKET  /* ] */
+} = require('./constants');
+
+const isPathSeparator = code => {
+  return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
+};
+
+const depth = token => {
+  if (token.isPrefix !== true) {
+    token.depth = token.isGlobstar ? Infinity : 1;
+  }
+};
+
+/**
+ * Quickly scans a glob pattern and returns an object with a handful of
+ * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists),
+ * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not
+ * with `!(`) and `negatedExtglob` (true if the path starts with `!(`).
+ *
+ * ```js
+ * const pm = require('picomatch');
+ * console.log(pm.scan('foo/bar/*.js'));
+ * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' }
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with tokens and regex source string.
+ * @api public
+ */
+
+const scan = (input, options) => {
+  const opts = options || {};
+
+  const length = input.length - 1;
+  const scanToEnd = opts.parts === true || opts.scanToEnd === true;
+  const slashes = [];
+  const tokens = [];
+  const parts = [];
+
+  let str = input;
+  let index = -1;
+  let start = 0;
+  let lastIndex = 0;
+  let isBrace = false;
+  let isBracket = false;
+  let isGlob = false;
+  let isExtglob = false;
+  let isGlobstar = false;
+  let braceEscaped = false;
+  let backslashes = false;
+  let negated = false;
+  let negatedExtglob = false;
+  let finished = false;
+  let braces = 0;
+  let prev;
+  let code;
+  let token = { value: '', depth: 0, isGlob: false };
+
+  const eos = () => index >= length;
+  const peek = () => str.charCodeAt(index + 1);
+  const advance = () => {
+    prev = code;
+    return str.charCodeAt(++index);
+  };
+
+  while (index < length) {
+    code = advance();
+    let next;
+
+    if (code === CHAR_BACKWARD_SLASH) {
+      backslashes = token.backslashes = true;
+      code = advance();
+
+      if (code === CHAR_LEFT_CURLY_BRACE) {
+        braceEscaped = true;
+      }
+      continue;
+    }
+
+    if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) {
+      braces++;
+
+      while (eos() !== true && (code = advance())) {
+        if (code === CHAR_BACKWARD_SLASH) {
+          backslashes = token.backslashes = true;
+          advance();
+          continue;
+        }
+
+        if (code === CHAR_LEFT_CURLY_BRACE) {
+          braces++;
+          continue;
+        }
+
+        if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) {
+          isBrace = token.isBrace = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+
+          if (scanToEnd === true) {
+            continue;
+          }
+
+          break;
+        }
+
+        if (braceEscaped !== true && code === CHAR_COMMA) {
+          isBrace = token.isBrace = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+
+          if (scanToEnd === true) {
+            continue;
+          }
+
+          break;
+        }
+
+        if (code === CHAR_RIGHT_CURLY_BRACE) {
+          braces--;
+
+          if (braces === 0) {
+            braceEscaped = false;
+            isBrace = token.isBrace = true;
+            finished = true;
+            break;
+          }
+        }
+      }
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+
+    if (code === CHAR_FORWARD_SLASH) {
+      slashes.push(index);
+      tokens.push(token);
+      token = { value: '', depth: 0, isGlob: false };
+
+      if (finished === true) continue;
+      if (prev === CHAR_DOT && index === (start + 1)) {
+        start += 2;
+        continue;
+      }
+
+      lastIndex = index + 1;
+      continue;
+    }
+
+    if (opts.noext !== true) {
+      const isExtglobChar = code === CHAR_PLUS
+        || code === CHAR_AT
+        || code === CHAR_ASTERISK
+        || code === CHAR_QUESTION_MARK
+        || code === CHAR_EXCLAMATION_MARK;
+
+      if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) {
+        isGlob = token.isGlob = true;
+        isExtglob = token.isExtglob = true;
+        finished = true;
+        if (code === CHAR_EXCLAMATION_MARK && index === start) {
+          negatedExtglob = true;
+        }
+
+        if (scanToEnd === true) {
+          while (eos() !== true && (code = advance())) {
+            if (code === CHAR_BACKWARD_SLASH) {
+              backslashes = token.backslashes = true;
+              code = advance();
+              continue;
+            }
+
+            if (code === CHAR_RIGHT_PARENTHESES) {
+              isGlob = token.isGlob = true;
+              finished = true;
+              break;
+            }
+          }
+          continue;
+        }
+        break;
+      }
+    }
+
+    if (code === CHAR_ASTERISK) {
+      if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true;
+      isGlob = token.isGlob = true;
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+      break;
+    }
+
+    if (code === CHAR_QUESTION_MARK) {
+      isGlob = token.isGlob = true;
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+      break;
+    }
+
+    if (code === CHAR_LEFT_SQUARE_BRACKET) {
+      while (eos() !== true && (next = advance())) {
+        if (next === CHAR_BACKWARD_SLASH) {
+          backslashes = token.backslashes = true;
+          advance();
+          continue;
+        }
+
+        if (next === CHAR_RIGHT_SQUARE_BRACKET) {
+          isBracket = token.isBracket = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+          break;
+        }
+      }
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+
+    if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) {
+      negated = token.negated = true;
+      start++;
+      continue;
+    }
+
+    if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) {
+      isGlob = token.isGlob = true;
+
+      if (scanToEnd === true) {
+        while (eos() !== true && (code = advance())) {
+          if (code === CHAR_LEFT_PARENTHESES) {
+            backslashes = token.backslashes = true;
+            code = advance();
+            continue;
+          }
+
+          if (code === CHAR_RIGHT_PARENTHESES) {
+            finished = true;
+            break;
+          }
+        }
+        continue;
+      }
+      break;
+    }
+
+    if (isGlob === true) {
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+  }
+
+  if (opts.noext === true) {
+    isExtglob = false;
+    isGlob = false;
+  }
+
+  let base = str;
+  let prefix = '';
+  let glob = '';
+
+  if (start > 0) {
+    prefix = str.slice(0, start);
+    str = str.slice(start);
+    lastIndex -= start;
+  }
+
+  if (base && isGlob === true && lastIndex > 0) {
+    base = str.slice(0, lastIndex);
+    glob = str.slice(lastIndex);
+  } else if (isGlob === true) {
+    base = '';
+    glob = str;
+  } else {
+    base = str;
+  }
+
+  if (base && base !== '' && base !== '/' && base !== str) {
+    if (isPathSeparator(base.charCodeAt(base.length - 1))) {
+      base = base.slice(0, -1);
+    }
+  }
+
+  if (opts.unescape === true) {
+    if (glob) glob = utils.removeBackslashes(glob);
+
+    if (base && backslashes === true) {
+      base = utils.removeBackslashes(base);
+    }
+  }
+
+  const state = {
+    prefix,
+    input,
+    start,
+    base,
+    glob,
+    isBrace,
+    isBracket,
+    isGlob,
+    isExtglob,
+    isGlobstar,
+    negated,
+    negatedExtglob
+  };
+
+  if (opts.tokens === true) {
+    state.maxDepth = 0;
+    if (!isPathSeparator(code)) {
+      tokens.push(token);
+    }
+    state.tokens = tokens;
+  }
+
+  if (opts.parts === true || opts.tokens === true) {
+    let prevIndex;
+
+    for (let idx = 0; idx < slashes.length; idx++) {
+      const n = prevIndex ? prevIndex + 1 : start;
+      const i = slashes[idx];
+      const value = input.slice(n, i);
+      if (opts.tokens) {
+        if (idx === 0 && start !== 0) {
+          tokens[idx].isPrefix = true;
+          tokens[idx].value = prefix;
+        } else {
+          tokens[idx].value = value;
+        }
+        depth(tokens[idx]);
+        state.maxDepth += tokens[idx].depth;
+      }
+      if (idx !== 0 || value !== '') {
+        parts.push(value);
+      }
+      prevIndex = i;
+    }
+
+    if (prevIndex && prevIndex + 1 < input.length) {
+      const value = input.slice(prevIndex + 1);
+      parts.push(value);
+
+      if (opts.tokens) {
+        tokens[tokens.length - 1].value = value;
+        depth(tokens[tokens.length - 1]);
+        state.maxDepth += tokens[tokens.length - 1].depth;
+      }
+    }
+
+    state.slashes = slashes;
+    state.parts = parts;
+  }
+
+  return state;
+};
+
+module.exports = scan;
diff --git a/node_modules/picomatch/lib/utils.js b/node_modules/picomatch/lib/utils.js
new file mode 100644
index 00000000..c3ca766a
--- /dev/null
+++ b/node_modules/picomatch/lib/utils.js
@@ -0,0 +1,64 @@
+'use strict';
+
+const path = require('path');
+const win32 = process.platform === 'win32';
+const {
+  REGEX_BACKSLASH,
+  REGEX_REMOVE_BACKSLASH,
+  REGEX_SPECIAL_CHARS,
+  REGEX_SPECIAL_CHARS_GLOBAL
+} = require('./constants');
+
+exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
+exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
+exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
+exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
+exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/');
+
+exports.removeBackslashes = str => {
+  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
+    return match === '\\' ? '' : match;
+  });
+};
+
+exports.supportsLookbehinds = () => {
+  const segs = process.version.slice(1).split('.').map(Number);
+  if (segs.length === 3 && segs[0] >= 9 || (segs[0] === 8 && segs[1] >= 10)) {
+    return true;
+  }
+  return false;
+};
+
+exports.isWindows = options => {
+  if (options && typeof options.windows === 'boolean') {
+    return options.windows;
+  }
+  return win32 === true || path.sep === '\\';
+};
+
+exports.escapeLast = (input, char, lastIdx) => {
+  const idx = input.lastIndexOf(char, lastIdx);
+  if (idx === -1) return input;
+  if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
+  return `${input.slice(0, idx)}\\${input.slice(idx)}`;
+};
+
+exports.removePrefix = (input, state = {}) => {
+  let output = input;
+  if (output.startsWith('./')) {
+    output = output.slice(2);
+    state.prefix = './';
+  }
+  return output;
+};
+
+exports.wrapOutput = (input, state = {}, options = {}) => {
+  const prepend = options.contains ? '' : '^';
+  const append = options.contains ? '' : '$';
+
+  let output = `${prepend}(?:${input})${append}`;
+  if (state.negated === true) {
+    output = `(?:^(?!${output}).*$)`;
+  }
+  return output;
+};
diff --git a/node_modules/picomatch/package.json b/node_modules/picomatch/package.json
new file mode 100644
index 00000000..3db22d40
--- /dev/null
+++ b/node_modules/picomatch/package.json
@@ -0,0 +1,81 @@
+{
+  "name": "picomatch",
+  "description": "Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.",
+  "version": "2.3.1",
+  "homepage": "https://github.com/micromatch/picomatch",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "funding": "https://github.com/sponsors/jonschlinkert",
+  "repository": "micromatch/picomatch",
+  "bugs": {
+    "url": "https://github.com/micromatch/picomatch/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=8.6"
+  },
+  "scripts": {
+    "lint": "eslint --cache --cache-location node_modules/.cache/.eslintcache --report-unused-disable-directives --ignore-path .gitignore .",
+    "mocha": "mocha --reporter dot",
+    "test": "npm run lint && npm run mocha",
+    "test:ci": "npm run test:cover",
+    "test:cover": "nyc npm run mocha"
+  },
+  "devDependencies": {
+    "eslint": "^6.8.0",
+    "fill-range": "^7.0.1",
+    "gulp-format-md": "^2.0.0",
+    "mocha": "^6.2.2",
+    "nyc": "^15.0.0",
+    "time-require": "github:jonschlinkert/time-require"
+  },
+  "keywords": [
+    "glob",
+    "match",
+    "picomatch"
+  ],
+  "nyc": {
+    "reporter": [
+      "html",
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "verb": {
+    "toc": {
+      "render": true,
+      "method": "preWrite",
+      "maxdepth": 3
+    },
+    "layout": "empty",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "related": {
+      "list": [
+        "braces",
+        "micromatch"
+      ]
+    },
+    "reflinks": [
+      "braces",
+      "expand-brackets",
+      "extglob",
+      "fill-range",
+      "micromatch",
+      "minimatch",
+      "nanomatch",
+      "picomatch"
+    ]
+  }
+}
diff --git a/node_modules/pify/index.js b/node_modules/pify/index.js
new file mode 100644
index 00000000..df56221d
--- /dev/null
+++ b/node_modules/pify/index.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const processFn = (fn, options) => function (...args) {
+	const P = options.promiseModule;
+
+	return new P((resolve, reject) => {
+		if (options.multiArgs) {
+			args.push((...result) => {
+				if (options.errorFirst) {
+					if (result[0]) {
+						reject(result);
+					} else {
+						result.shift();
+						resolve(result);
+					}
+				} else {
+					resolve(result);
+				}
+			});
+		} else if (options.errorFirst) {
+			args.push((error, result) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve(result);
+				}
+			});
+		} else {
+			args.push(resolve);
+		}
+
+		fn.apply(this, args);
+	});
+};
+
+module.exports = (input, options) => {
+	options = Object.assign({
+		exclude: [/.+(Sync|Stream)$/],
+		errorFirst: true,
+		promiseModule: Promise
+	}, options);
+
+	const objType = typeof input;
+	if (!(input !== null && (objType === 'object' || objType === 'function'))) {
+		throw new TypeError(`Expected \`input\` to be a \`Function\` or \`Object\`, got \`${input === null ? 'null' : objType}\``);
+	}
+
+	const filter = key => {
+		const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
+		return options.include ? options.include.some(match) : !options.exclude.some(match);
+	};
+
+	let ret;
+	if (objType === 'function') {
+		ret = function (...args) {
+			return options.excludeMain ? input(...args) : processFn(input, options).apply(this, args);
+		};
+	} else {
+		ret = Object.create(Object.getPrototypeOf(input));
+	}
+
+	for (const key in input) { // eslint-disable-line guard-for-in
+		const property = input[key];
+		ret[key] = typeof property === 'function' && filter(key) ? processFn(property, options) : property;
+	}
+
+	return ret;
+};
diff --git a/node_modules/pify/license b/node_modules/pify/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/pify/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/pify/package.json b/node_modules/pify/package.json
new file mode 100644
index 00000000..a5468cd2
--- /dev/null
+++ b/node_modules/pify/package.json
@@ -0,0 +1,51 @@
+{
+	"name": "pify",
+	"version": "4.0.1",
+	"description": "Promisify a callback-style function",
+	"license": "MIT",
+	"repository": "sindresorhus/pify",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava",
+		"optimization-test": "node --allow-natives-syntax optimization-test.js"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"promise",
+		"promises",
+		"promisify",
+		"all",
+		"denodify",
+		"denodeify",
+		"callback",
+		"cb",
+		"node",
+		"then",
+		"thenify",
+		"convert",
+		"transform",
+		"wrap",
+		"wrapper",
+		"bind",
+		"to",
+		"async",
+		"await",
+		"es2015",
+		"bluebird"
+	],
+	"devDependencies": {
+		"ava": "^0.25.0",
+		"pinkie-promise": "^2.0.0",
+		"v8-natives": "^1.1.0",
+		"xo": "^0.23.0"
+	}
+}
diff --git a/node_modules/pify/readme.md b/node_modules/pify/readme.md
new file mode 100644
index 00000000..7ae3f1c5
--- /dev/null
+++ b/node_modules/pify/readme.md
@@ -0,0 +1,145 @@
+# pify [![Build Status](https://travis-ci.org/sindresorhus/pify.svg?branch=master)](https://travis-ci.org/sindresorhus/pify)
+
+> Promisify a callback-style function
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-pify?utm_source=npm-pify&utm_medium=referral&utm_campaign=readme">Get professional support for 'pify' with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>
+
+---
+
+
+## Install
+
+```
+$ npm install pify
+```
+
+
+## Usage
+
+```js
+const fs = require('fs');
+const pify = require('pify');
+
+// Promisify a single function
+pify(fs.readFile)('package.json', 'utf8').then(data => {
+	console.log(JSON.parse(data).name);
+	//=> 'pify'
+});
+
+// Promisify all methods in a module
+pify(fs).readFile('package.json', 'utf8').then(data => {
+	console.log(JSON.parse(data).name);
+	//=> 'pify'
+});
+```
+
+
+## API
+
+### pify(input, [options])
+
+Returns a `Promise` wrapped version of the supplied function or module.
+
+#### input
+
+Type: `Function` `Object`
+
+Callback-style function or module whose methods you want to promisify.
+
+#### options
+
+##### multiArgs
+
+Type: `boolean`<br>
+Default: `false`
+
+By default, the promisified function will only return the second argument from the callback, which works fine for most APIs. This option can be useful for modules like `request` that return multiple arguments. Turning this on will make it return an array of all arguments from the callback, excluding the error argument, instead of just the second argument. This also applies to rejections, where it returns an array of all the callback arguments, including the error.
+
+```js
+const request = require('request');
+const pify = require('pify');
+
+pify(request, {multiArgs: true})('https://sindresorhus.com').then(result => {
+	const [httpResponse, body] = result;
+});
+```
+
+##### include
+
+Type: `string[]` `RegExp[]`
+
+Methods in a module to promisify. Remaining methods will be left untouched.
+
+##### exclude
+
+Type: `string[]` `RegExp[]`<br>
+Default: `[/.+(Sync|Stream)$/]`
+
+Methods in a module **not** to promisify. Methods with names ending with `'Sync'` are excluded by default.
+
+##### excludeMain
+
+Type: `boolean`<br>
+Default: `false`
+
+If given module is a function itself, it will be promisified. Turn this option on if you want to promisify only methods of the module.
+
+```js
+const pify = require('pify');
+
+function fn() {
+	return true;
+}
+
+fn.method = (data, callback) => {
+	setImmediate(() => {
+		callback(null, data);
+	});
+};
+
+// Promisify methods but not `fn()`
+const promiseFn = pify(fn, {excludeMain: true});
+
+if (promiseFn()) {
+	promiseFn.method('hi').then(data => {
+		console.log(data);
+	});
+}
+```
+
+##### errorFirst
+
+Type: `boolean`<br>
+Default: `true`
+
+Whether the callback has an error as the first argument. You'll want to set this to `false` if you're dealing with an API that doesn't have an error as the first argument, like `fs.exists()`, some browser APIs, Chrome Extension APIs, etc.
+
+##### promiseModule
+
+Type: `Function`
+
+Custom promise module to use instead of the native one.
+
+Check out [`pinkie-promise`](https://github.com/floatdrop/pinkie-promise) if you need a tiny promise polyfill.
+
+
+## Related
+
+- [p-event](https://github.com/sindresorhus/p-event) - Promisify an event by waiting for it to be emitted
+- [p-map](https://github.com/sindresorhus/p-map) - Map over promises concurrently
+- [More…](https://github.com/sindresorhus/promise-fun)
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/pkg-dir/index.js b/node_modules/pkg-dir/index.js
new file mode 100644
index 00000000..f2fa2011
--- /dev/null
+++ b/node_modules/pkg-dir/index.js
@@ -0,0 +1,10 @@
+'use strict';
+const path = require('path');
+const findUp = require('find-up');
+
+module.exports = cwd => findUp('package.json', {cwd}).then(fp => fp ? path.dirname(fp) : null);
+
+module.exports.sync = cwd => {
+	const fp = findUp.sync('package.json', {cwd});
+	return fp ? path.dirname(fp) : null;
+};
diff --git a/node_modules/pkg-dir/license b/node_modules/pkg-dir/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/pkg-dir/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/pkg-dir/package.json b/node_modules/pkg-dir/package.json
new file mode 100644
index 00000000..da063925
--- /dev/null
+++ b/node_modules/pkg-dir/package.json
@@ -0,0 +1,53 @@
+{
+	"name": "pkg-dir",
+	"version": "3.0.0",
+	"description": "Find the root directory of a Node.js project or npm package",
+	"license": "MIT",
+	"repository": "sindresorhus/pkg-dir",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"package",
+		"json",
+		"root",
+		"npm",
+		"entry",
+		"find",
+		"up",
+		"find-up",
+		"findup",
+		"look-up",
+		"look",
+		"file",
+		"search",
+		"match",
+		"resolve",
+		"parent",
+		"parents",
+		"folder",
+		"directory",
+		"dir",
+		"walk",
+		"walking",
+		"path"
+	],
+	"dependencies": {
+		"find-up": "^3.0.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"xo": "*"
+	}
+}
diff --git a/node_modules/pkg-dir/readme.md b/node_modules/pkg-dir/readme.md
new file mode 100644
index 00000000..15aff4c5
--- /dev/null
+++ b/node_modules/pkg-dir/readme.md
@@ -0,0 +1,66 @@
+# pkg-dir [![Build Status](https://travis-ci.org/sindresorhus/pkg-dir.svg?branch=master)](https://travis-ci.org/sindresorhus/pkg-dir)
+
+> Find the root directory of a Node.js project or npm package
+
+
+## Install
+
+```
+$ npm install pkg-dir
+```
+
+
+## Usage
+
+```
+/
+└── Users
+    └── sindresorhus
+        └── foo
+            ├── package.json
+            └── bar
+                ├── baz
+                └── example.js
+```
+
+```js
+// example.js
+const pkgDir = require('pkg-dir');
+
+(async () => {
+	const rootDir = await pkgDir(__dirname);
+
+	console.log(rootDir);
+	//=> '/Users/sindresorhus/foo'
+})();
+```
+
+
+## API
+
+### pkgDir([cwd])
+
+Returns a `Promise` for either the project root path or `null` if it couldn't be found.
+
+### pkgDir.sync([cwd])
+
+Returns the project root path or `null`.
+
+#### cwd
+
+Type: `string`<br>
+Default: `process.cwd()`
+
+Directory to start from.
+
+
+## Related
+
+- [pkg-dir-cli](https://github.com/sindresorhus/pkg-dir-cli) - CLI for this module
+- [pkg-up](https://github.com/sindresorhus/pkg-up) - Find the closest package.json file
+- [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/node_modules/posix-character-classes/LICENSE b/node_modules/posix-character-classes/LICENSE
new file mode 100644
index 00000000..b11cb796
--- /dev/null
+++ b/node_modules/posix-character-classes/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/posix-character-classes/README.md b/node_modules/posix-character-classes/README.md
new file mode 100644
index 00000000..894ae237
--- /dev/null
+++ b/node_modules/posix-character-classes/README.md
@@ -0,0 +1,103 @@
+# posix-character-classes [![NPM version](https://img.shields.io/npm/v/posix-character-classes.svg?style=flat)](https://www.npmjs.com/package/posix-character-classes) [![NPM monthly downloads](https://img.shields.io/npm/dm/posix-character-classes.svg?style=flat)](https://npmjs.org/package/posix-character-classes)  [![NPM total downloads](https://img.shields.io/npm/dt/posix-character-classes.svg?style=flat)](https://npmjs.org/package/posix-character-classes) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/posix-character-classes.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/posix-character-classes)
+
+> POSIX character classes for creating regular expressions.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save posix-character-classes
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add posix-character-classes
+```
+
+## Usage
+
+```js
+var posix = require('posix-character-classes');
+console.log(posix.alpha);
+//=> 'A-Za-z'
+```
+
+## POSIX Character classes
+
+The POSIX standard supports the following classes or categories of charactersh (note that classes must be defined within brackets)<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:
+
+| **POSIX class** | **Equivalent to** | **Matches** | 
+| --- | --- | --- |
+| `[:alnum:]` | `[A-Za-z0-9]` | digits, uppercase and lowercase letters |
+| `[:alpha:]` | `[A-Za-z]` | upper- and lowercase letters |
+| `[:ascii:]` | `[\x00-\x7F]` | ASCII characters |
+| `[:blank:]` | `[ \t]` | space and TAB characters only |
+| `[:cntrl:]` | `[\x00-\x1F\x7F]` | Control characters |
+| `[:digit:]` | `[0-9]` | digits |
+| `[:graph:]` | `[^[:cntrl:]]` | graphic characters (all characters which have graphic representation) |
+| `[:lower:]` | `[a-z]` | lowercase letters |
+| `[:print:]` | `[[:graph] ]` | graphic characters and space |
+| `[:punct:]` | ``[-!"#$%&'()*+,./:;<=>?@[]^_`{ | }~]`` | all punctuation characters (all graphic characters except letters and digits) |
+| `[:space:]` | `[ \t\n\r\f\v]` | all blank (whitespace) characters, including spaces, tabs, new lines, carriage returns, form feeds, and vertical tabs |
+| `[:upper:]` | `[A-Z]` | uppercase letters |
+| `[:word:]` | `[A-Za-z0-9_]` | word characters |
+| `[:xdigit:]` | `[0-9A-Fa-f]` | hexadecimal digits |
+
+## Examples
+
+* `a[[:digit:]]b` matches `a0b`, `a1b`, ..., `a9b`.
+* `a[:digit:]b` is invalid, character classes must be enclosed in brackets
+* `[[:digit:]abc]` matches any digit, as well as `a`, `b`, and `c`.
+* `[abc[:digit:]]` is the same as the previous, matching any digit, as well as `a`, `b`, and `c`
+* `[^ABZ[:lower:]]` matches any character except lowercase letters, `A`, `B`, and `Z`.
+
+## About
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 20, 2017._
+
+<hr class="footnotes-sep">
+<section class="footnotes">
+<ol class="footnotes-list">
+<li id="fn1"  class="footnote-item">table and examples are based on the WikiBooks page for [Regular Expressions/POSIX Basic Regular Expressions](https://en.wikibooks.org/wiki/Regular_Expressions/POSIX_Basic_Regular_Expressions), which is available under the [Creative Commons Attribution-ShareAlike License](https://creativecommons.org/licenses/by-sa/3.0/). <a href="#fnref1" class="footnote-backref">↩</a>
+
+</li>
+</ol>
+</section>
\ No newline at end of file
diff --git a/node_modules/posix-character-classes/index.js b/node_modules/posix-character-classes/index.js
new file mode 100644
index 00000000..19f1c986
--- /dev/null
+++ b/node_modules/posix-character-classes/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+/**
+ * POSIX character classes
+ */
+
+module.exports = {
+  alnum: 'a-zA-Z0-9',
+  alpha: 'a-zA-Z',
+  ascii: '\\x00-\\x7F',
+  blank: ' \\t',
+  cntrl: '\\x00-\\x1F\\x7F',
+  digit: '0-9',
+  graph: '\\x21-\\x7E',
+  lower: 'a-z',
+  print: '\\x20-\\x7E ',
+  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
+  space: ' \\t\\r\\n\\v\\f',
+  upper: 'A-Z',
+  word: 'A-Za-z0-9_',
+  xdigit: 'A-Fa-f0-9'
+};
diff --git a/node_modules/posix-character-classes/package.json b/node_modules/posix-character-classes/package.json
new file mode 100644
index 00000000..acce4ba7
--- /dev/null
+++ b/node_modules/posix-character-classes/package.json
@@ -0,0 +1,54 @@
+{
+  "name": "posix-character-classes",
+  "description": "POSIX character classes for creating regular expressions.",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/posix-character-classes",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/posix-character-classes",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/posix-character-classes/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "character",
+    "classes",
+    "posix"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "related-list": [
+      "micromatch",
+      "nanomatch",
+      "extglob",
+      "expand-brackets"
+    ]
+  }
+}
diff --git a/node_modules/process-nextick-args/index.js b/node_modules/process-nextick-args/index.js
new file mode 100644
index 00000000..3eecf114
--- /dev/null
+++ b/node_modules/process-nextick-args/index.js
@@ -0,0 +1,45 @@
+'use strict';
+
+if (typeof process === 'undefined' ||
+    !process.version ||
+    process.version.indexOf('v0.') === 0 ||
+    process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) {
+  module.exports = { nextTick: nextTick };
+} else {
+  module.exports = process
+}
+
+function nextTick(fn, arg1, arg2, arg3) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('"callback" argument must be a function');
+  }
+  var len = arguments.length;
+  var args, i;
+  switch (len) {
+  case 0:
+  case 1:
+    return process.nextTick(fn);
+  case 2:
+    return process.nextTick(function afterTickOne() {
+      fn.call(null, arg1);
+    });
+  case 3:
+    return process.nextTick(function afterTickTwo() {
+      fn.call(null, arg1, arg2);
+    });
+  case 4:
+    return process.nextTick(function afterTickThree() {
+      fn.call(null, arg1, arg2, arg3);
+    });
+  default:
+    args = new Array(len - 1);
+    i = 0;
+    while (i < args.length) {
+      args[i++] = arguments[i];
+    }
+    return process.nextTick(function afterTick() {
+      fn.apply(null, args);
+    });
+  }
+}
+
diff --git a/node_modules/process-nextick-args/license.md b/node_modules/process-nextick-args/license.md
new file mode 100644
index 00000000..c67e3532
--- /dev/null
+++ b/node_modules/process-nextick-args/license.md
@@ -0,0 +1,19 @@
+# Copyright (c) 2015 Calvin Metcalf
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+**THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.**
diff --git a/node_modules/process-nextick-args/package.json b/node_modules/process-nextick-args/package.json
new file mode 100644
index 00000000..6070b723
--- /dev/null
+++ b/node_modules/process-nextick-args/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "process-nextick-args",
+  "version": "2.0.1",
+  "description": "process.nextTick but always with args",
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "node test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/calvinmetcalf/process-nextick-args.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/calvinmetcalf/process-nextick-args/issues"
+  },
+  "homepage": "https://github.com/calvinmetcalf/process-nextick-args",
+  "devDependencies": {
+    "tap": "~0.2.6"
+  }
+}
diff --git a/node_modules/process-nextick-args/readme.md b/node_modules/process-nextick-args/readme.md
new file mode 100644
index 00000000..ecb432c9
--- /dev/null
+++ b/node_modules/process-nextick-args/readme.md
@@ -0,0 +1,18 @@
+process-nextick-args
+=====
+
+[![Build Status](https://travis-ci.org/calvinmetcalf/process-nextick-args.svg?branch=master)](https://travis-ci.org/calvinmetcalf/process-nextick-args)
+
+```bash
+npm install --save process-nextick-args
+```
+
+Always be able to pass arguments to process.nextTick, no matter the platform
+
+```js
+var pna = require('process-nextick-args');
+
+pna.nextTick(function (a, b, c) {
+  console.log(a, b, c);
+}, 'step', 3,  'profit');
+```
diff --git a/node_modules/process/.eslintrc b/node_modules/process/.eslintrc
new file mode 100644
index 00000000..1e7aab73
--- /dev/null
+++ b/node_modules/process/.eslintrc
@@ -0,0 +1,21 @@
+{
+extends: "eslint:recommended",
+  "env": {
+    "node": true,
+    "browser": true,
+    "es6" : true,
+    "mocha": true
+  },
+  "rules": {
+    "indent": [2, 4],
+    "brace-style": [2, "1tbs"],
+    "quotes": [2, "single"],
+    "no-console": 0,
+    "no-shadow": 0,
+    "no-use-before-define": [2, "nofunc"],
+    "no-underscore-dangle": 0,
+    "no-constant-condition": 0,
+    "space-after-function-name": 0,
+   "consistent-return": 0
+  }
+}
diff --git a/node_modules/process/LICENSE b/node_modules/process/LICENSE
new file mode 100644
index 00000000..b8c1246c
--- /dev/null
+++ b/node_modules/process/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2013 Roman Shtylman <shtylman@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/process/README.md b/node_modules/process/README.md
new file mode 100644
index 00000000..6570729b
--- /dev/null
+++ b/node_modules/process/README.md
@@ -0,0 +1,26 @@
+# process
+
+```require('process');``` just like any other module.
+
+Works in node.js and browsers via the browser.js shim provided with the module.
+
+## browser implementation
+
+The goal of this module is not to be a full-fledged alternative to the builtin process module. This module mostly exists to provide the nextTick functionality and little more. We keep this module lean because it will often be included by default by tools like browserify when it detects a module has used the `process` global.
+
+It also exposes a "browser" member (i.e. `process.browser`) which is `true` in this implementation but `undefined` in node. This can be used in isomorphic code that adjusts it's behavior depending on which environment it's running in. 
+
+If you are looking to provide other process methods, I suggest you monkey patch them onto the process global in your app. A list of user created patches is below.
+
+* [hrtime](https://github.com/kumavis/browser-process-hrtime)
+* [stdout](https://github.com/kumavis/browser-stdout)
+
+## package manager notes
+
+If you are writing a bundler to package modules for client side use, make sure you use the ```browser``` field hint in package.json.
+
+See https://gist.github.com/4339901 for details.
+
+The [browserify](https://github.com/substack/node-browserify) module will properly handle this field when bundling your files.
+
+
diff --git a/node_modules/process/browser.js b/node_modules/process/browser.js
new file mode 100644
index 00000000..d0593623
--- /dev/null
+++ b/node_modules/process/browser.js
@@ -0,0 +1,184 @@
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+    throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+    throw new Error('clearTimeout has not been defined');
+}
+(function () {
+    try {
+        if (typeof setTimeout === 'function') {
+            cachedSetTimeout = setTimeout;
+        } else {
+            cachedSetTimeout = defaultSetTimout;
+        }
+    } catch (e) {
+        cachedSetTimeout = defaultSetTimout;
+    }
+    try {
+        if (typeof clearTimeout === 'function') {
+            cachedClearTimeout = clearTimeout;
+        } else {
+            cachedClearTimeout = defaultClearTimeout;
+        }
+    } catch (e) {
+        cachedClearTimeout = defaultClearTimeout;
+    }
+} ())
+function runTimeout(fun) {
+    if (cachedSetTimeout === setTimeout) {
+        //normal enviroments in sane situations
+        return setTimeout(fun, 0);
+    }
+    // if setTimeout wasn't available but was latter defined
+    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+        cachedSetTimeout = setTimeout;
+        return setTimeout(fun, 0);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedSetTimeout(fun, 0);
+    } catch(e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+            return cachedSetTimeout.call(null, fun, 0);
+        } catch(e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+            return cachedSetTimeout.call(this, fun, 0);
+        }
+    }
+
+
+}
+function runClearTimeout(marker) {
+    if (cachedClearTimeout === clearTimeout) {
+        //normal enviroments in sane situations
+        return clearTimeout(marker);
+    }
+    // if clearTimeout wasn't available but was latter defined
+    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+        cachedClearTimeout = clearTimeout;
+        return clearTimeout(marker);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedClearTimeout(marker);
+    } catch (e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+            return cachedClearTimeout.call(null, marker);
+        } catch (e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+            return cachedClearTimeout.call(this, marker);
+        }
+    }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
+
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = runTimeout(cleanUpNextTick);
+    draining = true;
+
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
+    }
+    currentQueue = null;
+    draining = false;
+    runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        runTimeout(drainQueue);
+    }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
diff --git a/node_modules/process/index.js b/node_modules/process/index.js
new file mode 100644
index 00000000..8d8ed7df
--- /dev/null
+++ b/node_modules/process/index.js
@@ -0,0 +1,2 @@
+// for now just expose the builtin process global from node.js
+module.exports = global.process;
diff --git a/node_modules/process/package.json b/node_modules/process/package.json
new file mode 100644
index 00000000..d2cfaade
--- /dev/null
+++ b/node_modules/process/package.json
@@ -0,0 +1,27 @@
+{
+  "author": "Roman Shtylman <shtylman@gmail.com>",
+  "name": "process",
+  "description": "process information for node.js and browsers",
+  "keywords": [
+    "process"
+  ],
+  "scripts": {
+    "test": "mocha test.js",
+    "browser": "zuul --no-coverage --ui mocha-bdd --local 8080 -- test.js"
+  },
+  "version": "0.11.10",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/shtylman/node-process.git"
+  },
+  "license": "MIT",
+  "browser": "./browser.js",
+  "main": "./index.js",
+  "engines": {
+    "node": ">= 0.6.0"
+  },
+  "devDependencies": {
+    "mocha": "2.2.1",
+    "zuul": "^3.10.3"
+  }
+}
diff --git a/node_modules/process/test.js b/node_modules/process/test.js
new file mode 100644
index 00000000..8ba579c0
--- /dev/null
+++ b/node_modules/process/test.js
@@ -0,0 +1,199 @@
+var assert = require('assert');
+var ourProcess = require('./browser');
+describe('test against our process', function () {
+    test(ourProcess);
+});
+if (!process.browser) {
+  describe('test against node', function () {
+    test(process);
+  });
+  vmtest();
+}
+function test (ourProcess) {
+    describe('test arguments', function () {
+        it ('works', function (done) {
+          var order = 0;
+
+
+          ourProcess.nextTick(function (num) {
+              assert.equal(num, order++, 'first one works');
+              ourProcess.nextTick(function (num) {
+                assert.equal(num, order++, 'recursive one is 4th');
+              }, 3);
+          }, 0);
+          ourProcess.nextTick(function (num) {
+              assert.equal(num, order++, 'second one starts');
+              ourProcess.nextTick(function (num) {
+                assert.equal(num, order++, 'this is third');
+                ourProcess.nextTick(function (num) {
+                    assert.equal(num, order++, 'this is last');
+                    done();
+                }, 5);
+            }, 4);
+          }, 1);
+          ourProcess.nextTick(function (num) {
+
+              assert.equal(num, order++, '3rd schedualed happens after the error');
+          }, 2);
+        });
+    });
+if (!process.browser) {
+    describe('test errors', function (t) {
+        it ('works', function (done) {
+        var order = 0;
+        process.removeAllListeners('uncaughtException');
+        process.once('uncaughtException', function(err) {
+            assert.equal(2, order++, 'error is third');
+            ourProcess.nextTick(function () {
+                assert.equal(5, order++, 'schedualed in error is last');
+                done();
+            });
+        });
+        ourProcess.nextTick(function () {
+            assert.equal(0, order++, 'first one works');
+            ourProcess.nextTick(function () {
+            assert.equal(4, order++, 'recursive one is 4th');
+            });
+        });
+        ourProcess.nextTick(function () {
+            assert.equal(1, order++, 'second one starts');
+            throw(new Error('an error is thrown'));
+        });
+        ourProcess.nextTick(function () {
+            assert.equal(3, order++, '3rd schedualed happens after the error');
+        });
+        });
+    });
+}
+    describe('rename globals', function (t) {
+      var oldTimeout = setTimeout;
+      var oldClear = clearTimeout;
+
+      it('clearTimeout', function (done){
+
+        var ok = true;
+        clearTimeout = function () {
+          ok = false;
+        }
+        var ran = false;
+        function cleanup() {
+          clearTimeout = oldClear;
+          var err;
+          try {
+            assert.ok(ok, 'fake clearTimeout ran');
+            assert.ok(ran, 'should have run');
+          } catch (e) {
+            err = e;
+          }
+          done(err);
+        }
+        setTimeout(cleanup, 1000);
+        ourProcess.nextTick(function () {
+          ran = true;
+        });
+      });
+      it('just setTimeout', function (done){
+
+
+        setTimeout = function () {
+          setTimeout = oldTimeout;
+          try {
+            assert.ok(false, 'fake setTimeout called')
+          } catch (e) {
+            done(e);
+          }
+
+        }
+
+        ourProcess.nextTick(function () {
+          setTimeout = oldTimeout;
+          done();
+        });
+      });
+    });
+}
+function vmtest() {
+  var vm = require('vm');
+  var fs = require('fs');
+  var process =  fs.readFileSync('./browser.js', {encoding: 'utf8'});
+
+
+  describe('should work in vm in strict mode with no globals', function () {
+    it('should parse', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'this.works = process.browser;';
+      var script = new vm.Script(str);
+      var context = {
+        works: false
+      };
+      script.runInNewContext(context);
+      assert.ok(context.works);
+      done();
+    });
+    it('setTimeout throws error', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'try {process.nextTick(function () {})} catch (e){this.works = e;}';
+      var script = new vm.Script(str);
+      var context = {
+        works: false
+      };
+      script.runInNewContext(context);
+      assert.ok(context.works);
+      done();
+    });
+    it('should generally work', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'process.nextTick(function () {assert.ok(true);done();})';
+      var script = new vm.Script(str);
+      var context = {
+        clearTimeout: clearTimeout,
+        setTimeout: setTimeout,
+        done: done,
+        assert: assert
+      };
+      script.runInNewContext(context);
+    });
+    it('late defs setTimeout', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'var setTimeout = hiddenSetTimeout;process.nextTick(function () {assert.ok(true);done();})';
+      var script = new vm.Script(str);
+      var context = {
+        clearTimeout: clearTimeout,
+        hiddenSetTimeout: setTimeout,
+        done: done,
+        assert: assert
+      };
+      script.runInNewContext(context);
+    });
+    it('late defs clearTimeout', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'var clearTimeout = hiddenClearTimeout;process.nextTick(function () {assert.ok(true);done();})';
+      var script = new vm.Script(str);
+      var context = {
+        hiddenClearTimeout: clearTimeout,
+        setTimeout: setTimeout,
+        done: done,
+        assert: assert
+      };
+      script.runInNewContext(context);
+    });
+    it('late defs setTimeout and then redefine', function (done) {
+      var str = '"use strict";var module = {exports:{}};';
+      str += process;
+      str += 'var setTimeout = hiddenSetTimeout;process.nextTick(function () {setTimeout = function (){throw new Error("foo")};hiddenSetTimeout(function(){process.nextTick(function (){assert.ok(true);done();});});});';
+      var script = new vm.Script(str);
+      var context = {
+        clearTimeout: clearTimeout,
+        hiddenSetTimeout: setTimeout,
+        done: done,
+        assert: assert
+      };
+      script.runInNewContext(context);
+    });
+  });
+}
diff --git a/node_modules/promise-inflight/LICENSE b/node_modules/promise-inflight/LICENSE
new file mode 100644
index 00000000..83e7c4c6
--- /dev/null
+++ b/node_modules/promise-inflight/LICENSE
@@ -0,0 +1,14 @@
+Copyright (c) 2017, Rebecca Turner <me@re-becca.org>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/promise-inflight/README.md b/node_modules/promise-inflight/README.md
new file mode 100644
index 00000000..f0ae3a44
--- /dev/null
+++ b/node_modules/promise-inflight/README.md
@@ -0,0 +1,34 @@
+# promise-inflight
+
+One promise for multiple requests in flight to avoid async duplication
+
+## USAGE
+
+```javascript
+const inflight = require('promise-inflight')
+
+// some request that does some stuff
+function req(key) {
+  // key is any random string.  like a url or filename or whatever.
+  return inflight(key, () => {
+    // this is where you'd fetch the url or whatever
+    return Promise.delay(100)
+  })
+}
+
+// only assigns a single setTimeout
+// when it dings, all thens get called with the same result.  (There's only
+// one underlying promise.)
+req('foo').then(…)
+req('foo').then(…)
+req('foo').then(…)
+req('foo').then(…)
+```
+
+## SEE ALSO
+
+* [inflight](https://npmjs.com/package/inflight) - For the callback based function on which this is based.
+
+## STILL NEEDS
+
+Tests!
diff --git a/node_modules/promise-inflight/inflight.js b/node_modules/promise-inflight/inflight.js
new file mode 100644
index 00000000..ce054d34
--- /dev/null
+++ b/node_modules/promise-inflight/inflight.js
@@ -0,0 +1,36 @@
+'use strict'
+module.exports = inflight
+
+let Bluebird
+try {
+  Bluebird = require('bluebird')
+} catch (_) {
+  Bluebird = Promise
+}
+
+const active = {}
+inflight.active = active
+function inflight (unique, doFly) {
+  return Bluebird.all([unique, doFly]).then(function (args) {
+    const unique = args[0]
+    const doFly = args[1]
+    if (Array.isArray(unique)) {
+      return Bluebird.all(unique).then(function (uniqueArr) {
+        return _inflight(uniqueArr.join(''), doFly)
+      })
+    } else {
+      return _inflight(unique, doFly)
+    }
+  })
+
+  function _inflight (unique, doFly) {
+    if (!active[unique]) {
+      active[unique] = (new Bluebird(function (resolve) {
+        return resolve(doFly())
+      }))
+      active[unique].then(cleanup, cleanup)
+      function cleanup() { delete active[unique] }
+    }
+    return active[unique]
+  }
+}
diff --git a/node_modules/promise-inflight/package.json b/node_modules/promise-inflight/package.json
new file mode 100644
index 00000000..0d8930c5
--- /dev/null
+++ b/node_modules/promise-inflight/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "promise-inflight",
+  "version": "1.0.1",
+  "description": "One promise for multiple requests in flight to avoid async duplication",
+  "main": "inflight.js",
+  "files": [
+    "inflight.js"
+  ],
+  "license": "ISC",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org/)",
+  "devDependencies": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/iarna/promise-inflight.git"
+  },
+  "bugs": {
+    "url": "https://github.com/iarna/promise-inflight/issues"
+  },
+  "homepage": "https://github.com/iarna/promise-inflight#readme"
+}
diff --git a/node_modules/prr/.jshintrc b/node_modules/prr/.jshintrc
new file mode 100644
index 00000000..6a7a956c
--- /dev/null
+++ b/node_modules/prr/.jshintrc
@@ -0,0 +1,61 @@
+{
+    "predef": [ ]
+  , "bitwise": false
+  , "camelcase": false
+  , "curly": false
+  , "eqeqeq": false
+  , "forin": false
+  , "immed": false
+  , "latedef": false
+  , "newcap": true
+  , "noarg": true
+  , "noempty": true
+  , "nonew": true
+  , "plusplus": false
+  , "quotmark": true
+  , "regexp": false
+  , "undef": true
+  , "unused": true
+  , "strict": false
+  , "trailing": true
+  , "maxlen": 120
+  , "asi": true
+  , "boss": true
+  , "debug": true
+  , "eqnull": true
+  , "es5": true
+  , "esnext": true
+  , "evil": true
+  , "expr": true
+  , "funcscope": false
+  , "globalstrict": false
+  , "iterator": false
+  , "lastsemic": true
+  , "laxbreak": true
+  , "laxcomma": true
+  , "loopfunc": true
+  , "multistr": false
+  , "onecase": false
+  , "proto": false
+  , "regexdash": false
+  , "scripturl": true
+  , "smarttabs": false
+  , "shadow": false
+  , "sub": true
+  , "supernew": false
+  , "validthis": true
+  , "browser": true
+  , "couch": false
+  , "devel": false
+  , "dojo": false
+  , "mootools": false
+  , "node": true
+  , "nonstandard": true
+  , "prototypejs": false
+  , "rhino": false
+  , "worker": true
+  , "wsh": false
+  , "nomen": false
+  , "onevar": true
+  , "passfail": false
+}
\ No newline at end of file
diff --git a/node_modules/prr/.npmignore b/node_modules/prr/.npmignore
new file mode 100644
index 00000000..b512c09d
--- /dev/null
+++ b/node_modules/prr/.npmignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/node_modules/prr/.travis.yml b/node_modules/prr/.travis.yml
new file mode 100644
index 00000000..33dcbc3a
--- /dev/null
+++ b/node_modules/prr/.travis.yml
@@ -0,0 +1,10 @@
+language: node_js
+node_js:
+  - 0.8
+  - "0.10"
+branches:
+  only:
+    - master
+notifications:
+  email:
+    - rod@vagg.org
\ No newline at end of file
diff --git a/node_modules/prr/LICENSE.md b/node_modules/prr/LICENSE.md
new file mode 100644
index 00000000..29b95e39
--- /dev/null
+++ b/node_modules/prr/LICENSE.md
@@ -0,0 +1,11 @@
+The MIT License (MIT)
+=====================
+
+Copyright (c) 2014 Rod Vagg
+---------------------------
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/prr/README.md b/node_modules/prr/README.md
new file mode 100644
index 00000000..b9340482
--- /dev/null
+++ b/node_modules/prr/README.md
@@ -0,0 +1,47 @@
+# prr [![Build Status](https://secure.travis-ci.org/rvagg/prr.png)](http://travis-ci.org/rvagg/prr)
+
+An sensible alternative to `Object.defineProperty()`. Available in npm and Ender as **prr**.
+
+## Usage
+
+Set the property `'foo'` (`obj.foo`) to have the value `'bar'` with default options (`'enumerable'`, `'configurable'` and `'writable'` are all `false`):
+
+```js
+prr(obj, 'foo', 'bar')
+```
+
+Adjust the default options:
+
+```js
+prr(obj, 'foo', 'bar', { enumerable: true, writable: true })
+```
+
+Do the same operation for multiple properties:
+
+```js
+prr(obj, { one: 'one', two: 'two' })
+// or with options:
+prr(obj, { one: 'one', two: 'two' }, { enumerable: true, writable: true })
+```
+
+### Simplify!
+
+But obviously, having to write out the full options object makes it nearly as bad as the original `Object.defineProperty()` so we can simplify.
+
+As an alternative method we can use an options string where each character represents a option: `'e'=='enumerable'`, `'c'=='configurable'` and `'w'=='writable'`:
+
+```js
+prr(obj, 'foo', 'bar', 'ew') // enumerable and writable but not configurable
+// muliple properties:
+prr(obj, { one: 'one', two: 'two' }, 'ewc') // configurable too
+```
+
+## Where can I use it?
+
+Anywhere! For pre-ES5 environments *prr* will simply fall-back to an `object[property] = value` so you can get close to what you want.
+
+*prr* is Ender-compatible so you can include it in your Ender build and `$.prr(...)` or `var prr = require('prr'); prr(...)`.
+
+## Licence
+
+prr is Copyright (c) 2013 Rod Vagg [@rvagg](https://twitter.com/rvagg) and licensed under the MIT licence. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE.md file for more details.
diff --git a/node_modules/prr/package.json b/node_modules/prr/package.json
new file mode 100644
index 00000000..5d298e59
--- /dev/null
+++ b/node_modules/prr/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "prr",
+  "description": "A better Object.defineProperty()",
+  "version": "1.0.1",
+  "homepage": "https://github.com/rvagg/prr",
+  "author": "Rod Vagg <rod@vagg.org> (https://github.com/rvagg)",
+  "keywords": [
+    "property",
+    "properties",
+    "defineProperty",
+    "ender"
+  ],
+  "main": "./prr.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/prr.git"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "tap": "*"
+  },
+  "scripts": {
+    "test": "node ./test.js"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/prr/prr.js b/node_modules/prr/prr.js
new file mode 100644
index 00000000..94f58628
--- /dev/null
+++ b/node_modules/prr/prr.js
@@ -0,0 +1,63 @@
+/*!
+  * prr
+  * (c) 2013 Rod Vagg <rod@vagg.org>
+  * https://github.com/rvagg/prr
+  * License: MIT
+  */
+
+(function (name, context, definition) {
+  if (typeof module != 'undefined' && module.exports)
+    module.exports = definition()
+  else
+    context[name] = definition()
+})('prr', this, function() {
+
+  var setProperty = typeof Object.defineProperty == 'function'
+      ? function (obj, key, options) {
+          Object.defineProperty(obj, key, options)
+          return obj
+        }
+      : function (obj, key, options) { // < es5
+          obj[key] = options.value
+          return obj
+        }
+
+    , makeOptions = function (value, options) {
+        var oo = typeof options == 'object'
+          , os = !oo && typeof options == 'string'
+          , op = function (p) {
+              return oo
+                ? !!options[p]
+                : os
+                  ? options.indexOf(p[0]) > -1
+                  : false
+            }
+
+        return {
+            enumerable   : op('enumerable')
+          , configurable : op('configurable')
+          , writable     : op('writable')
+          , value        : value
+        }
+      }
+
+    , prr = function (obj, key, value, options) {
+        var k
+
+        options = makeOptions(value, options)
+
+        if (typeof key == 'object') {
+          for (k in key) {
+            if (Object.hasOwnProperty.call(key, k)) {
+              options.value = key[k]
+              setProperty(obj, k, options)
+            }
+          }
+          return obj
+        }
+
+        return setProperty(obj, key, options)
+      }
+
+  return prr
+})
\ No newline at end of file
diff --git a/node_modules/prr/test.js b/node_modules/prr/test.js
new file mode 100644
index 00000000..5222e307
--- /dev/null
+++ b/node_modules/prr/test.js
@@ -0,0 +1,169 @@
+const test = require('tap').test
+    , prr  = require('./')
+
+test('test prr(o, key, value) form', function (t) {
+  t.plan(2)
+
+  var o = {}
+  prr(o, 'foo', 'bar')
+  t.equal(o.foo, 'bar', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo')
+    , {
+          enumerable   : false
+        , configurable : false
+        , writable     : false
+        , value        : 'bar'
+      }
+    , 'correct property descriptor'
+  )
+  t.end()
+})
+
+test('test prr(o, { key: value }) form', function (t) {
+  t.plan(2)
+
+  var o = {}
+  prr(o, { foo: 'bar' })
+
+  t.equal(o.foo, 'bar', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo')
+    , {
+          enumerable   : false
+        , configurable : false
+        , writable     : false
+        , value        : 'bar'
+      }
+    , 'correct property descriptor'
+  )
+  t.end()
+})
+
+test('test multiple key:value pairs', function (t) {
+  var o = { foo: 'bar' }
+
+  prr(o, { one: 'ONE', two: 'TWO', obj: { o: 'o' }})
+
+  t.deepEqual(o, { foo: 'bar' }, 'properties are not enumerable')
+  t.equal(o.one, 'ONE', 'correctly set property')
+  t.equal(o.two, 'TWO', 'correctly set property')
+  t.deepEqual(o.obj, { o: 'o' }, 'correctly set property')
+
+  ;[ 'one', 'two', 'obj' ].forEach(function (p) {
+    t.deepEqual(
+        Object.getOwnPropertyDescriptor(o, p)
+      , {
+            enumerable   : false
+          , configurable : false
+          , writable     : false
+          , value        : p == 'obj' ? { o: 'o' } : p.toUpperCase()
+        }
+      , 'correct property descriptor'
+    )
+  })
+
+  t.end()
+})
+
+test('test descriptor options', function (t) {
+  var o = {}
+
+  prr(o, 'foo', 'bar', {
+      enumerable   : true
+    , configurable : false
+  })
+  t.equal(o.foo, 'bar', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo')
+    , {
+          enumerable   : true
+        , configurable : false
+        , writable     : false
+        , value        : 'bar'
+      }
+    , 'correct property descriptor'
+  )
+
+  prr(o, 'foo2', 'bar2', {
+      enumerable   : true
+    , configurable : true
+    , writable     : false
+  })
+  t.equal(o.foo2, 'bar2', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo2')
+    , {
+          enumerable   : true
+        , configurable : true
+        , writable     : false
+        , value        : 'bar2'
+      }
+    , 'correct property descriptor'
+  )
+
+  prr(o, 'foo3', 'bar3', {
+      enumerable   : true
+    , configurable : true
+    , writable     : true
+  })
+  t.equal(o.foo3, 'bar3', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo3')
+    , {
+          enumerable   : true
+        , configurable : true
+        , writable     : true
+        , value        : 'bar3'
+      }
+    , 'correct property descriptor'
+  )
+
+  t.end()
+})
+
+
+test('test descriptor options, string form', function (t) {
+  var o = {}
+
+  prr(o, 'foo', 'bar', 'e')
+  t.equal(o.foo, 'bar', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo')
+    , {
+          enumerable   : true
+        , configurable : false
+        , writable     : false
+        , value        : 'bar'
+      }
+    , 'correct property descriptor'
+  )
+
+  prr(o, 'foo2', 'bar2', 'ec')
+  t.equal(o.foo2, 'bar2', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo2')
+    , {
+          enumerable   : true
+        , configurable : true
+        , writable     : false
+        , value        : 'bar2'
+      }
+    , 'correct property descriptor'
+  )
+
+  prr(o, 'foo3', 'bar3', 'ecw')
+  t.equal(o.foo3, 'bar3', 'correct value')
+  t.deepEqual(
+      Object.getOwnPropertyDescriptor(o, 'foo3')
+    , {
+          enumerable   : true
+        , configurable : true
+        , writable     : true
+        , value        : 'bar3'
+      }
+    , 'correct property descriptor'
+  )
+
+  t.end()
+})
diff --git a/node_modules/public-encrypt/.travis.yml b/node_modules/public-encrypt/.travis.yml
new file mode 100644
index 00000000..1b726667
--- /dev/null
+++ b/node_modules/public-encrypt/.travis.yml
@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - "0.10"
+  - "0.11"
+  - "0.12"
+  - iojs
\ No newline at end of file
diff --git a/node_modules/public-encrypt/LICENSE b/node_modules/public-encrypt/LICENSE
new file mode 100644
index 00000000..c9ddc0fe
--- /dev/null
+++ b/node_modules/public-encrypt/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017 Calvin Metcalf
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/public-encrypt/browser.js b/node_modules/public-encrypt/browser.js
new file mode 100644
index 00000000..4032f686
--- /dev/null
+++ b/node_modules/public-encrypt/browser.js
@@ -0,0 +1,10 @@
+exports.publicEncrypt = require('./publicEncrypt')
+exports.privateDecrypt = require('./privateDecrypt')
+
+exports.privateEncrypt = function privateEncrypt (key, buf) {
+  return exports.publicEncrypt(key, buf, true)
+}
+
+exports.publicDecrypt = function publicDecrypt (key, buf) {
+  return exports.privateDecrypt(key, buf, true)
+}
diff --git a/node_modules/public-encrypt/index.js b/node_modules/public-encrypt/index.js
new file mode 100644
index 00000000..6ff4014e
--- /dev/null
+++ b/node_modules/public-encrypt/index.js
@@ -0,0 +1,18 @@
+var crypto = require('crypto')
+if (typeof crypto.publicEncrypt !== 'function') {
+  crypto = require('./browser')
+}
+exports.publicEncrypt = crypto.publicEncrypt
+exports.privateDecrypt = crypto.privateDecrypt
+
+if (typeof crypto.privateEncrypt !== 'function') {
+  exports.privateEncrypt = require('./browser').privateEncrypt
+} else {
+  exports.privateEncrypt = crypto.privateEncrypt
+}
+
+if (typeof crypto.publicDecrypt !== 'function') {
+  exports.publicDecrypt = require('./browser').publicDecrypt
+} else {
+  exports.publicDecrypt = crypto.publicDecrypt
+}
diff --git a/node_modules/public-encrypt/mgf.js b/node_modules/public-encrypt/mgf.js
new file mode 100644
index 00000000..b966f317
--- /dev/null
+++ b/node_modules/public-encrypt/mgf.js
@@ -0,0 +1,19 @@
+var createHash = require('create-hash')
+var Buffer = require('safe-buffer').Buffer
+
+module.exports = function (seed, len) {
+  var t = Buffer.alloc(0)
+  var i = 0
+  var c
+  while (t.length < len) {
+    c = i2ops(i++)
+    t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()])
+  }
+  return t.slice(0, len)
+}
+
+function i2ops (c) {
+  var out = Buffer.allocUnsafe(4)
+  out.writeUInt32BE(c, 0)
+  return out
+}
diff --git a/node_modules/public-encrypt/node_modules/bn.js/LICENSE b/node_modules/public-encrypt/node_modules/bn.js/LICENSE
new file mode 100644
index 00000000..c328f040
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/public-encrypt/node_modules/bn.js/README.md b/node_modules/public-encrypt/node_modules/bn.js/README.md
new file mode 100644
index 00000000..aecc3ba0
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/README.md
@@ -0,0 +1,200 @@
+# <img src="./logo.png" alt="bn.js" width="160" height="160" />
+
+> BigNum in pure javascript
+
+[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
+
+## Install
+`npm install --save bn.js`
+
+## Usage
+
+```js
+const BN = require('bn.js');
+
+var a = new BN('dead', 16);
+var b = new BN('101010', 2);
+
+var res = a.add(b);
+console.log(res.toString(10));  // 57047
+```
+
+**Note**: decimals are not supported in this library.
+
+## Notation
+
+### Prefixes
+
+There are several prefixes to instructions that affect the way the work. Here
+is the list of them in the order of appearance in the function name:
+
+* `i` - perform operation in-place, storing the result in the host object (on
+  which the method was invoked). Might be used to avoid number allocation costs
+* `u` - unsigned, ignore the sign of operands when performing operation, or
+  always return positive value. Second case applies to reduction operations
+  like `mod()`. In such cases if the result will be negative - modulo will be
+  added to the result to make it positive
+
+### Postfixes
+
+The only available postfix at the moment is:
+
+* `n` - which means that the argument of the function must be a plain JavaScript
+  Number. Decimals are not supported.
+
+### Examples
+
+* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
+* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
+* `a.iushln(13)` - shift bits of `a` left by 13
+
+## Instructions
+
+Prefixes/postfixes are put in parens at the of the line. `endian` - could be
+either `le` (little-endian) or `be` (big-endian).
+
+### Utilities
+
+* `a.clone()` - clone number
+* `a.toString(base, length)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
+* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
+* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
+  pad to length, throwing if already exceeding
+* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
+  which must behave like an `Array`
+* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
+  compatibility with browserify and similar tools, use this instead:
+  `a.toArrayLike(Buffer, endian, length)`
+* `a.bitLength()` - get number of bits occupied
+* `a.zeroBits()` - return number of less-significant consequent zero bits
+  (example: `1010000` has 4 zero bits)
+* `a.byteLength()` - return number of bytes occupied
+* `a.isNeg()` - true if the number is negative
+* `a.isEven()` - no comments
+* `a.isOdd()` - no comments
+* `a.isZero()` - no comments
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
+  depending on the comparison result (`ucmp`, `cmpn`)
+* `a.lt(b)` - `a` less than `b` (`n`)
+* `a.lte(b)` - `a` less than or equals `b` (`n`)
+* `a.gt(b)` - `a` greater than `b` (`n`)
+* `a.gte(b)` - `a` greater than or equals `b` (`n`)
+* `a.eq(b)` - `a` equals `b` (`n`)
+* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
+* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
+* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
+
+### Arithmetics
+
+* `a.neg()` - negate sign (`i`)
+* `a.abs()` - absolute value (`i`)
+* `a.add(b)` - addition (`i`, `n`, `in`)
+* `a.sub(b)` - subtraction (`i`, `n`, `in`)
+* `a.mul(b)` - multiply (`i`, `n`, `in`)
+* `a.sqr()` - square (`i`)
+* `a.pow(b)` - raise `a` to the power of `b`
+* `a.div(b)` - divide (`divn`, `idivn`)
+* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
+* `a.divRound(b)` - rounded division
+
+### Bit operations
+
+* `a.or(b)` - or (`i`, `u`, `iu`)
+* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
+  with `andn` in future)
+* `a.xor(b)` - xor (`i`, `u`, `iu`)
+* `a.setn(b)` - set specified bit to `1`
+* `a.shln(b)` - shift left (`i`, `u`, `iu`)
+* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
+* `a.testn(b)` - test if specified bit is set
+* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
+* `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
+
+### Reduction
+
+* `a.gcd(b)` - GCD
+* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
+* `a.invm(b)` - inverse `a` modulo `b`
+
+## Fast reduction
+
+When doing lots of reductions using the same modulo, it might be beneficial to
+use some tricks: like [Montgomery multiplication][0], or using special algorithm
+for [Mersenne Prime][1].
+
+### Reduction context
+
+To enable this tricks one should create a reduction context:
+
+```js
+var red = BN.red(num);
+```
+where `num` is just a BN instance.
+
+Or:
+
+```js
+var red = BN.red(primeName);
+```
+
+Where `primeName` is either of these [Mersenne Primes][1]:
+
+* `'k256'`
+* `'p224'`
+* `'p192'`
+* `'p25519'`
+
+Or:
+
+```js
+var red = BN.mont(num);
+```
+
+To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
+`.red(num)`, but slower than `BN.red(primeName)`.
+
+### Converting numbers
+
+Before performing anything in reduction context - numbers should be converted
+to it. Usually, this means that one should:
+
+* Convert inputs to reducted ones
+* Operate on them in reduction context
+* Convert outputs back from the reduction context
+
+Here is how one may convert numbers to `red`:
+
+```js
+var redA = a.toRed(red);
+```
+Where `red` is a reduction context created using instructions above
+
+Here is how to convert them back:
+
+```js
+var a = redA.fromRed();
+```
+
+### Red instructions
+
+Most of the instructions from the very start of this readme have their
+counterparts in red context:
+
+* `a.redAdd(b)`, `a.redIAdd(b)`
+* `a.redSub(b)`, `a.redISub(b)`
+* `a.redShl(num)`
+* `a.redMul(b)`, `a.redIMul(b)`
+* `a.redSqr()`, `a.redISqr()`
+* `a.redSqrt()` - square root modulo reduction context's prime
+* `a.redInvm()` - modular inverse of the number
+* `a.redNeg()`
+* `a.redPow(b)` - modular exponentiation
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
+[1]: https://en.wikipedia.org/wiki/Mersenne_prime
diff --git a/node_modules/public-encrypt/node_modules/bn.js/lib/bn.js b/node_modules/public-encrypt/node_modules/bn.js/lib/bn.js
new file mode 100644
index 00000000..ee786466
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/lib/bn.js
@@ -0,0 +1,3446 @@
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
+      Buffer = window.Buffer;
+    } else {
+      Buffer = require('buffer').Buffer;
+    }
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+      this.negative = 1;
+    }
+
+    if (start < number.length) {
+      if (base === 16) {
+        this._parseHex(number, start, endian);
+      } else {
+        this._parseBase(number, base, start);
+        if (endian === 'le') {
+          this._initArray(this.toArray(), base, endian);
+        }
+      }
+    }
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex4Bits (string, index) {
+    var c = string.charCodeAt(index);
+    // 'A' - 'F'
+    if (c >= 65 && c <= 70) {
+      return c - 55;
+    // 'a' - 'f'
+    } else if (c >= 97 && c <= 102) {
+      return c - 87;
+    // '0' - '9'
+    } else {
+      return (c - 48) & 0xf;
+    }
+  }
+
+  function parseHexByte (string, lowerBound, index) {
+    var r = parseHex4Bits(string, index);
+    if (index - 1 >= lowerBound) {
+      r |= parseHex4Bits(string, index - 1) << 4;
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start, endian) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    // 24-bits chunks
+    var off = 0;
+    var j = 0;
+
+    var w;
+    if (endian === 'be') {
+      for (i = number.length - 1; i >= start; i -= 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    } else {
+      var parseLength = number.length - start;
+      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
+        w = parseHexByte(number, start, i) << off;
+        this.words[j] |= w & 0x3ffffff;
+        if (off >= 18) {
+          off -= 18;
+          j += 1;
+          this.words[j] |= w >>> 26;
+        } else {
+          off += 8;
+        }
+      }
+    }
+
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    this.strip();
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      if (r.strip !== undefined) {
+        // r is BN v4 instance
+        r.strip();
+      } else {
+        // r is BN v5 instance
+        r._strip();
+      }
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
diff --git a/node_modules/public-encrypt/node_modules/bn.js/package.json b/node_modules/public-encrypt/node_modules/bn.js/package.json
new file mode 100644
index 00000000..a3c4ebcf
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.1",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}
diff --git a/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo.js b/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo.js
new file mode 100644
index 00000000..8b456c7c
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo.js
@@ -0,0 +1,65 @@
+'use strict';
+
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('var w' + k + ' = c;');
+    src.push('c = 0;');
+    for (var j = minJ; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
+      src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
+
+      src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
+      src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
+      src.push('c = (c + hi) | 0;');
+      src.push('c = (c + (mid >>> 13)) | 0;');
+      src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
+      src.push('w' + k + ' &= 0x3ffffff;');
+    }
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo10.js
new file mode 100644
index 00000000..cf2e6e80
--- /dev/null
+++ b/node_modules/public-encrypt/node_modules/bn.js/util/genCombMulTo10.js
@@ -0,0 +1,65 @@
+'use strict';
+
+function genCombMulTo (alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = self.words;',
+    'var b = num.words;',
+    'var o = out.words;',
+    'var c = 0;',
+    'var lo;',
+    'var mid;',
+    'var hi;'
+  ];
+  for (var i = 0; i < alen; i++) {
+    src.push('var a' + i + ' = a[' + i + '] | 0;');
+    src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
+    src.push('var ah' + i + ' = a' + i + ' >>> 13;');
+  }
+  for (i = 0; i < blen; i++) {
+    src.push('var b' + i + ' = b[' + i + '] | 0;');
+    src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
+    src.push('var bh' + i + ' = b' + i + ' >>> 13;');
+  }
+  src.push('');
+  src.push('out.negative = self.negative ^ num.negative;');
+  src.push('out.length = ' + len + ';');
+
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    src.push('\/* k = ' + k + ' *\/');
+    src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
+    src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
+    src.push(
+        'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
+    src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
+
+    for (var j = minJ + 1; j <= maxJ; j++) {
+      i = k - j;
+
+      src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
+      src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
+      src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
+    }
+
+    src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
+    src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
+    src.push('w' + k + ' &= 0x3ffffff;');
+  }
+  // Store in separate step for better memory access
+  for (k = 0; k < len; k++) {
+    src.push('o[' + k + '] = w' + k + ';');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+
+console.log(genCombMulTo(10, 10));
diff --git a/node_modules/public-encrypt/package.json b/node_modules/public-encrypt/package.json
new file mode 100644
index 00000000..2c38c18a
--- /dev/null
+++ b/node_modules/public-encrypt/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "public-encrypt",
+  "version": "4.0.3",
+  "description": "browserify version of publicEncrypt & privateDecrypt",
+  "main": "index.js",
+  "browser": "browser.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "node test/index.js | tspec",
+    "lint": "standard"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/publicEncrypt.git"
+  },
+  "author": "Calvin Metcalf",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/publicEncrypt/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/publicEncrypt",
+  "dependencies": {
+    "bn.js": "^4.1.0",
+    "browserify-rsa": "^4.0.0",
+    "create-hash": "^1.1.0",
+    "parse-asn1": "^5.0.0",
+    "randombytes": "^2.0.1",
+    "safe-buffer": "^5.1.2"
+  },
+  "devDependencies": {
+    "standard": "^12.0.0",
+    "tap-spec": "^2.1.2",
+    "tape": "^3.0.3"
+  }
+}
diff --git a/node_modules/public-encrypt/privateDecrypt.js b/node_modules/public-encrypt/privateDecrypt.js
new file mode 100644
index 00000000..8fc6dfec
--- /dev/null
+++ b/node_modules/public-encrypt/privateDecrypt.js
@@ -0,0 +1,105 @@
+var parseKeys = require('parse-asn1')
+var mgf = require('./mgf')
+var xor = require('./xor')
+var BN = require('bn.js')
+var crt = require('browserify-rsa')
+var createHash = require('create-hash')
+var withPublic = require('./withPublic')
+var Buffer = require('safe-buffer').Buffer
+
+module.exports = function privateDecrypt (privateKey, enc, reverse) {
+  var padding
+  if (privateKey.padding) {
+    padding = privateKey.padding
+  } else if (reverse) {
+    padding = 1
+  } else {
+    padding = 4
+  }
+
+  var key = parseKeys(privateKey)
+  var k = key.modulus.byteLength()
+  if (enc.length > k || new BN(enc).cmp(key.modulus) >= 0) {
+    throw new Error('decryption error')
+  }
+  var msg
+  if (reverse) {
+    msg = withPublic(new BN(enc), key)
+  } else {
+    msg = crt(enc, key)
+  }
+  var zBuffer = Buffer.alloc(k - msg.length)
+  msg = Buffer.concat([zBuffer, msg], k)
+  if (padding === 4) {
+    return oaep(key, msg)
+  } else if (padding === 1) {
+    return pkcs1(key, msg, reverse)
+  } else if (padding === 3) {
+    return msg
+  } else {
+    throw new Error('unknown padding')
+  }
+}
+
+function oaep (key, msg) {
+  var k = key.modulus.byteLength()
+  var iHash = createHash('sha1').update(Buffer.alloc(0)).digest()
+  var hLen = iHash.length
+  if (msg[0] !== 0) {
+    throw new Error('decryption error')
+  }
+  var maskedSeed = msg.slice(1, hLen + 1)
+  var maskedDb = msg.slice(hLen + 1)
+  var seed = xor(maskedSeed, mgf(maskedDb, hLen))
+  var db = xor(maskedDb, mgf(seed, k - hLen - 1))
+  if (compare(iHash, db.slice(0, hLen))) {
+    throw new Error('decryption error')
+  }
+  var i = hLen
+  while (db[i] === 0) {
+    i++
+  }
+  if (db[i++] !== 1) {
+    throw new Error('decryption error')
+  }
+  return db.slice(i)
+}
+
+function pkcs1 (key, msg, reverse) {
+  var p1 = msg.slice(0, 2)
+  var i = 2
+  var status = 0
+  while (msg[i++] !== 0) {
+    if (i >= msg.length) {
+      status++
+      break
+    }
+  }
+  var ps = msg.slice(2, i - 1)
+
+  if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)) {
+    status++
+  }
+  if (ps.length < 8) {
+    status++
+  }
+  if (status) {
+    throw new Error('decryption error')
+  }
+  return msg.slice(i)
+}
+function compare (a, b) {
+  a = Buffer.from(a)
+  b = Buffer.from(b)
+  var dif = 0
+  var len = a.length
+  if (a.length !== b.length) {
+    dif++
+    len = Math.min(a.length, b.length)
+  }
+  var i = -1
+  while (++i < len) {
+    dif += (a[i] ^ b[i])
+  }
+  return dif
+}
diff --git a/node_modules/public-encrypt/publicEncrypt.js b/node_modules/public-encrypt/publicEncrypt.js
new file mode 100644
index 00000000..122aa765
--- /dev/null
+++ b/node_modules/public-encrypt/publicEncrypt.js
@@ -0,0 +1,88 @@
+var parseKeys = require('parse-asn1')
+var randomBytes = require('randombytes')
+var createHash = require('create-hash')
+var mgf = require('./mgf')
+var xor = require('./xor')
+var BN = require('bn.js')
+var withPublic = require('./withPublic')
+var crt = require('browserify-rsa')
+var Buffer = require('safe-buffer').Buffer
+
+module.exports = function publicEncrypt (publicKey, msg, reverse) {
+  var padding
+  if (publicKey.padding) {
+    padding = publicKey.padding
+  } else if (reverse) {
+    padding = 1
+  } else {
+    padding = 4
+  }
+  var key = parseKeys(publicKey)
+  var paddedMsg
+  if (padding === 4) {
+    paddedMsg = oaep(key, msg)
+  } else if (padding === 1) {
+    paddedMsg = pkcs1(key, msg, reverse)
+  } else if (padding === 3) {
+    paddedMsg = new BN(msg)
+    if (paddedMsg.cmp(key.modulus) >= 0) {
+      throw new Error('data too long for modulus')
+    }
+  } else {
+    throw new Error('unknown padding')
+  }
+  if (reverse) {
+    return crt(paddedMsg, key)
+  } else {
+    return withPublic(paddedMsg, key)
+  }
+}
+
+function oaep (key, msg) {
+  var k = key.modulus.byteLength()
+  var mLen = msg.length
+  var iHash = createHash('sha1').update(Buffer.alloc(0)).digest()
+  var hLen = iHash.length
+  var hLen2 = 2 * hLen
+  if (mLen > k - hLen2 - 2) {
+    throw new Error('message too long')
+  }
+  var ps = Buffer.alloc(k - mLen - hLen2 - 2)
+  var dblen = k - hLen - 1
+  var seed = randomBytes(hLen)
+  var maskedDb = xor(Buffer.concat([iHash, ps, Buffer.alloc(1, 1), msg], dblen), mgf(seed, dblen))
+  var maskedSeed = xor(seed, mgf(maskedDb, hLen))
+  return new BN(Buffer.concat([Buffer.alloc(1), maskedSeed, maskedDb], k))
+}
+function pkcs1 (key, msg, reverse) {
+  var mLen = msg.length
+  var k = key.modulus.byteLength()
+  if (mLen > k - 11) {
+    throw new Error('message too long')
+  }
+  var ps
+  if (reverse) {
+    ps = Buffer.alloc(k - mLen - 3, 0xff)
+  } else {
+    ps = nonZero(k - mLen - 3)
+  }
+  return new BN(Buffer.concat([Buffer.from([0, reverse ? 1 : 2]), ps, Buffer.alloc(1), msg], k))
+}
+function nonZero (len) {
+  var out = Buffer.allocUnsafe(len)
+  var i = 0
+  var cache = randomBytes(len * 2)
+  var cur = 0
+  var num
+  while (i < len) {
+    if (cur === cache.length) {
+      cache = randomBytes(len * 2)
+      cur = 0
+    }
+    num = cache[cur++]
+    if (num) {
+      out[i++] = num
+    }
+  }
+  return out
+}
diff --git a/node_modules/public-encrypt/readme.md b/node_modules/public-encrypt/readme.md
new file mode 100644
index 00000000..96fe944f
--- /dev/null
+++ b/node_modules/public-encrypt/readme.md
@@ -0,0 +1,8 @@
+publicEncrypt
+===
+
+[![Build Status](https://travis-ci.org/crypto-browserify/publicEncrypt.svg)](https://travis-ci.org/crypto-browserify/publicEncrypt)
+
+publicEncrypt/privateDecrypt for browserify
+
+[Blog post about the moving parts that have gone into this.](http://calvinmetcalf.com/post/109301244759/porting-nodejs-crypto-to-the-browser-part-3)
diff --git a/node_modules/public-encrypt/test/1024.priv b/node_modules/public-encrypt/test/1024.priv
new file mode 100644
index 00000000..72062169
--- /dev/null
+++ b/node_modules/public-encrypt/test/1024.priv
@@ -0,0 +1,16 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/1024.pub b/node_modules/public-encrypt/test/1024.pub
new file mode 100644
index 00000000..2dba785d
--- /dev/null
+++ b/node_modules/public-encrypt/test/1024.pub
@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrpVE2fAdanHGfHA10RkmNPIFv
+Cry5XMccRguIGRzU9wgVBfJ+UeChN9GmcmGf67bEGbtOY7mScWidKpm3u+XZUOXf
+l3PQTF3kIPzKU2cOUwDeziHRmGKRQXvtTy2esBH45GKzKjFHH6ti6oUy3QG7wSZ7
+kXGGS6pgXjkPBU6yqwIDAQAB
+-----END PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/ec.pass.priv b/node_modules/public-encrypt/test/ec.pass.priv
new file mode 100644
index 00000000..bf1836d5
--- /dev/null
+++ b/node_modules/public-encrypt/test/ec.pass.priv
@@ -0,0 +1,7 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIHeMEkGCSqGSIb3DQEFDTA8MBsGCSqGSIb3DQEFDDAOBAi9LqZQx4JFXAICCAAw
+HQYJYIZIAWUDBAECBBA+js1fG4Rv/yRN7oZvxbgyBIGQ/D4yj86M1x8lMsnAHQ/K
+7/ryb/baDNHqN9LTZanEGBuyxgrTzt08SiL+h91yFGMoaly029K1VgEI8Lxu5Np/
+A+LK7ewh73ABzsbuxYdcXI+rKnrvLN9Tt6veDs4GlqTTsWwq5wF0C+6gaYRBXA74
+T1b6NykGh2UNL5U5pHZEYdOVLz+lRJL7gYqlweNHP/S3
+-----END ENCRYPTED PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/ec.priv b/node_modules/public-encrypt/test/ec.priv
new file mode 100644
index 00000000..25fffbd8
--- /dev/null
+++ b/node_modules/public-encrypt/test/ec.priv
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHQCAQEEIDF6Xv8Sv//wGUWD+c780ppGrU0QdZWCAzxAQPQX8r/uoAcGBSuBBAAK
+oUQDQgAEIZeowDylls4K/wfBjO18bYo7gGx8nYQRija4e/qEMikOHJai7geeUreU
+r5Xky/Ax7s2dGtegsPNsPgGe5MpQvg==
+-----END EC PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/ec.pub b/node_modules/public-encrypt/test/ec.pub
new file mode 100644
index 00000000..2e39e5bb
--- /dev/null
+++ b/node_modules/public-encrypt/test/ec.pub
@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFYwEAYHKoZIzj0CAQYFK4EEAAoDQgAEIZeowDylls4K/wfBjO18bYo7gGx8nYQR
+ija4e/qEMikOHJai7geeUreUr5Xky/Ax7s2dGtegsPNsPgGe5MpQvg==
+-----END PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/index.js b/node_modules/public-encrypt/test/index.js
new file mode 100644
index 00000000..85b32e30
--- /dev/null
+++ b/node_modules/public-encrypt/test/index.js
@@ -0,0 +1,113 @@
+var test = require('tape')
+var fs = require('fs')
+var parseKeys = require('parse-asn1')
+var Buffer = require('safe-buffer').Buffer
+var path = require('path')
+
+require('./nodeTests')
+var rsa1024 = {
+  private: fs.readFileSync(path.join(__dirname, 'rsa.1024.priv')),
+  public: fs.readFileSync(path.join(__dirname, 'rsa.1024.pub'))
+}
+var rsa1024priv = {
+  private: fs.readFileSync(path.join(__dirname, 'rsa.1024.priv')),
+  public: fs.readFileSync(path.join(__dirname, 'rsa.1024.priv'))
+}
+
+var rsa2028 = {
+  private: fs.readFileSync(path.join(__dirname, 'rsa.2028.priv')),
+  public: fs.readFileSync(path.join(__dirname, 'rsa.2028.pub'))
+}
+var nonrsa1024 = {
+  private: fs.readFileSync(path.join(__dirname, '1024.priv')),
+  public: fs.readFileSync(path.join(__dirname, '1024.pub'))
+}
+var nonrsa1024str = {
+  private: fs.readFileSync(path.join(__dirname, '1024.priv')).toString(),
+  public: fs.readFileSync(path.join(__dirname, '1024.pub')).toString()
+}
+var pass1024 = {
+  private: {
+    passphrase: 'fooo',
+    key: fs.readFileSync(path.join(__dirname, 'pass.1024.priv'))
+  },
+  public: fs.readFileSync(path.join(__dirname, 'pass.1024.pub'))
+}
+var pass2028 = {
+  private: {
+    passphrase: 'password',
+    key: fs.readFileSync(path.join(__dirname, 'rsa.pass.priv'))
+  },
+  public: fs.readFileSync(path.join(__dirname, 'rsa.pass.pub'))
+}
+
+var nodeCrypto = require('../')
+var myCrypto = require('../browser')
+function _testIt (keys, message, t) {
+  var pub = keys.public
+  var priv = keys.private
+  t.test(message.toString(), function (t) {
+    t.plan(8)
+
+    var myEnc = myCrypto.publicEncrypt(pub, message)
+    var nodeEnc = nodeCrypto.publicEncrypt(pub, message)
+    t.equals(myCrypto.privateDecrypt(priv, myEnc).toString('hex'), message.toString('hex'), 'my decrypter my message')
+    t.equals(myCrypto.privateDecrypt(priv, nodeEnc).toString('hex'), message.toString('hex'), 'my decrypter node\'s message')
+    t.equals(nodeCrypto.privateDecrypt(priv, myEnc).toString('hex'), message.toString('hex'), 'node decrypter my message')
+    t.equals(nodeCrypto.privateDecrypt(priv, nodeEnc).toString('hex'), message.toString('hex'), 'node decrypter node\'s message')
+    myEnc = myCrypto.privateEncrypt(priv, message)
+    nodeEnc = nodeCrypto.privateEncrypt(priv, message)
+    t.equals(myCrypto.publicDecrypt(pub, myEnc).toString('hex'), message.toString('hex'), 'reverse methods my decrypter my message')
+    t.equals(myCrypto.publicDecrypt(pub, nodeEnc).toString('hex'), message.toString('hex'), 'reverse methods my decrypter node\'s message')
+    t.equals(nodeCrypto.publicDecrypt(pub, myEnc).toString('hex'), message.toString('hex'), 'reverse methods node decrypter my message')
+    t.equals(nodeCrypto.publicDecrypt(pub, nodeEnc).toString('hex'), message.toString('hex'), 'reverse methods node decrypter node\'s message')
+  })
+}
+function testIt (keys, message, t) {
+  _testIt(keys, message, t)
+  _testIt(paddingObject(keys, 1), Buffer.concat([message, Buffer.from(' with RSA_PKCS1_PADDING')]), t)
+  var parsedKey = parseKeys(keys.public)
+  var k = parsedKey.modulus.byteLength()
+  var zBuf = Buffer.alloc(k)
+  var msg = Buffer.concat([zBuf, message, Buffer.from(' with no padding')]).slice(-k)
+  _testIt(paddingObject(keys, 3), msg, t)
+}
+function paddingObject (keys, padding) {
+  return {
+    public: addPadding(keys.public, padding),
+    private: addPadding(keys.private, padding)
+  }
+}
+function addPadding (key, padding) {
+  if (typeof key === 'string' || Buffer.isBuffer(key)) {
+    return {
+      key: key,
+      padding: padding
+    }
+  }
+  var out = {
+    key: key.key,
+    padding: padding
+  }
+  if ('passphrase' in key) {
+    out.passphrase = key.passphrase
+  }
+  return out
+}
+function testRun (i) {
+  test('run ' + i, function (t) {
+    testIt(rsa1024priv, Buffer.from('1024 2 private keys'), t)
+    testIt(rsa1024, Buffer.from('1024 keys'), t)
+    testIt(rsa2028, Buffer.from('2028 keys'), t)
+    testIt(nonrsa1024, Buffer.from('1024 keys non-rsa key'), t)
+    testIt(pass1024, Buffer.from('1024 keys and password'), t)
+    testIt(nonrsa1024str, Buffer.from('1024 keys non-rsa key as a string'), t)
+    testIt(pass2028, Buffer.from('2028 rsa key with variant passwords'), t)
+  })
+}
+
+var i = 0
+var num = 20
+while (++i <= num) {
+  testRun(i)
+}
diff --git a/node_modules/public-encrypt/test/nodeTests.js b/node_modules/public-encrypt/test/nodeTests.js
new file mode 100644
index 00000000..f022e071
--- /dev/null
+++ b/node_modules/public-encrypt/test/nodeTests.js
@@ -0,0 +1,51 @@
+var crypto = require('../browser')
+var test = require('tape')
+var fs = require('fs')
+var Buffer = require('safe-buffer').Buffer
+var path = require('path')
+// Test RSA encryption/decryption
+test('node tests', function (t) {
+  var keyPem = fs.readFileSync(path.join(__dirname, 'test_key.pem'), 'ascii')
+  var rsaPubPem = fs.readFileSync(path.join(__dirname, 'test_rsa_pubkey.pem'),
+    'ascii')
+  var rsaKeyPem = fs.readFileSync(path.join(__dirname, 'test_rsa_privkey.pem'),
+    'ascii')
+  var rsaKeyPemEncrypted = fs.readFileSync(path.join(
+    __dirname, 'test_rsa_privkey_encrypted.pem'), 'ascii')
+  var input = 'I AM THE WALRUS'
+  var bufferToEncrypt = Buffer.from(input)
+
+  var encryptedBuffer = crypto.publicEncrypt(rsaPubPem, bufferToEncrypt)
+
+  var decryptedBuffer = crypto.privateDecrypt(rsaKeyPem, encryptedBuffer)
+  t.equal(input, decryptedBuffer.toString())
+
+  var decryptedBufferWithPassword = crypto.privateDecrypt({
+    key: rsaKeyPemEncrypted,
+    passphrase: 'password'
+  }, encryptedBuffer)
+  t.equal(input, decryptedBufferWithPassword.toString())
+
+  // encryptedBuffer = crypto.publicEncrypt(certPem, bufferToEncrypt);
+
+  // decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer);
+  // t.equal(input, decryptedBuffer.toString());
+
+  encryptedBuffer = crypto.publicEncrypt(keyPem, bufferToEncrypt)
+
+  decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer)
+  t.equal(input, decryptedBuffer.toString())
+
+  encryptedBuffer = crypto.privateEncrypt(keyPem, bufferToEncrypt)
+
+  decryptedBuffer = crypto.publicDecrypt(keyPem, encryptedBuffer)
+  t.equal(input, decryptedBuffer.toString())
+
+  t.throws(function () {
+    crypto.privateDecrypt({
+      key: rsaKeyPemEncrypted,
+      passphrase: 'wrong'
+    }, encryptedBuffer)
+  })
+  t.end()
+})
diff --git a/node_modules/public-encrypt/test/pass.1024.priv b/node_modules/public-encrypt/test/pass.1024.priv
new file mode 100644
index 00000000..b9f38845
--- /dev/null
+++ b/node_modules/public-encrypt/test/pass.1024.priv
@@ -0,0 +1,18 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIICzzBJBgkqhkiG9w0BBQ0wPDAbBgkqhkiG9w0BBQwwDgQIji3ZZ6JbsA4CAggA
+MB0GCWCGSAFlAwQBFgQQC6MKblq8zyX90/KmgotsMQSCAoDghNf+yxPC/KRh7F3O
+k0lMgtDkV+wCLDv7aBvUqy8Ry2zqFPIlfLb8XtSW943XEu6KUI13IZPEr8p9h1ve
+Iye6L0g6uAgbFxBE2DwBBSI7mYr7lokr4v0k+inMKf4JeRdI9XWgwOILKTGf1vH7
+PhvBnqLhOg6BIOuF426qpiyYlmRda74d0Th4o6ZyhyMSzPI1XbWSg719Ew3N/tLe
+OHdYl0eFrgNjq+xO4Ev+W7eNIh/XBMQtk9wo+mxeNdldRnX822HxTsL8fSSPs+9T
+W5M/2EBTJMSsswSjZyFkq8ehtxovI2u0IBX1IiPulyUZLnSNPDV1eUVClK6rk+q1
+kVsfJhUr2qvIjNlQWlbEXQj4VwGtgl0++l8vdpj59MuN2J3Nx5TNMLjA6BYAa/tr
+Bu928QoT7ET+SGx5XKCwKb5fwXmDlV5zZC4kZWTaF/d/Icvj5F+fDZuYFg1JOXNZ
++q2oA1qMYaHGX6lF3pbO84ebg1iwQTDM8iIqFeSMGUJTnk/3a7sqfaWQbEQwGb+X
+fXnSTwkF+wO2rriPbFvWyzecWu67zDCP0ZWUgGb86sSJCM7xRGShESwCjOrb88F1
+5SZjyIqogrkc3IWiLH9gc5U8d86qoFjJnP6BfwYks1UIyXNGKfZTCqICpMphV+IS
+b0N2jprjLTkWR6nxYGSH1bkKMs7x1M0FBLWWLAZqPn9X3pe6JwIBds04O6XjF0un
+oxwDjcJdoxVs7PgRiM5d1Tubqu2zmpCCmXNiqi9B0+rV9/jHg9IA5gUfvYdCcEv+
+oAr90I+2+PuBFa9lgdbDV6DtZk4bSYluqamxVeLPg/vrewYfVfDv6jftfY1D0DEy
+69H0
+-----END ENCRYPTED PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/pass.1024.pub b/node_modules/public-encrypt/test/pass.1024.pub
new file mode 100644
index 00000000..617e7fb1
--- /dev/null
+++ b/node_modules/public-encrypt/test/pass.1024.pub
@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDSK/7i5BV0x+gmX16Wrm7kRkCZ
+y1QUt6wiM2g+SAZTYR0381VnSMX2cv7CpN3499lZj1rL5S7YTaZZwX3RvU5fz56/
+eDX6ciL/PZsbclN2KdkMWYgmcb9J1zUeoMQ3cjfFUCdQZ/ZvDWa+wY2Zg8os2Bow
+AoufHtYHm3eOly/cWwIDAQAB
+-----END PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.1024.priv b/node_modules/public-encrypt/test/rsa.1024.priv
new file mode 100644
index 00000000..d3b5fdab
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.1024.priv
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.1024.pub b/node_modules/public-encrypt/test/rsa.1024.pub
new file mode 100644
index 00000000..7ba06369
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.1024.pub
@@ -0,0 +1,5 @@
+-----BEGIN RSA PUBLIC KEY-----
+MIGGAn87CzBsWj+7ILyW0Z//IDUD6BXkgZ2cCA9tRIjcbNscID7H5Msb+0u9tHDe
+vWyamlj+OSSmJVbUStIy43S6LGnmBvvxn2sfVelZvlZaCndZpj/0QcyMx06RD/0t
+Vm9G+X8z8WLqjA/6r5qYkjUESMQJh9uEYveuaVV2ripdzjRDAgMBAAE=
+-----END RSA PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.2028.priv b/node_modules/public-encrypt/test/rsa.2028.priv
new file mode 100644
index 00000000..10e651d8
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.2028.priv
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.2028.pub b/node_modules/public-encrypt/test/rsa.2028.pub
new file mode 100644
index 00000000..b36dca4d
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.2028.pub
@@ -0,0 +1,8 @@
+-----BEGIN RSA PUBLIC KEY-----
+MIIBBgKB/gy7mjaWgPeFdVYDZWRCA9BNiv3pPb0es27+FKY0hszLaOw47ExCtAWp
+DsH48TXAfyHBYwBLguayfk4LGIupxb+CGMbRo3xEp0CbfY1Jby26T9vGjRC1foHD
+DUJG84uaRbyHqaf4i6zt4gVR+xlAEIjkaFAAK8cOoXAT1CVqGLLljUCchL8PjaHj
+/yriZ/S7rdwlI3LnABxwwmLrmR/v71WtpmO/aNG8N+1po+QwaghTkyQ59E/ZvAuO
+kFWHok2q/R6PYAa2jdZ9zim0FqOP+nkQaEDRbBFBmBqTv5fFGfk2WsAfKf/RG0/V
+Fd+ZeM5251TeTvXH695nlSGauVl9AgMBAAE=
+-----END RSA PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.pass.priv b/node_modules/public-encrypt/test/rsa.pass.priv
new file mode 100644
index 00000000..99e82135
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.pass.priv
@@ -0,0 +1,30 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,7A6A055AD675947A657041422F06D439
+
+HQdjzAKUuqqKhZHmpzzY/monfqFhiHnZ5c24jtR9fM4aQJXf/e1fz6MEhyIz6XON
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+M2lWTbCva0dOyuvMUhTgBL4I7Qa2dUMPXHMZatV5ooHYq/BZJA1r84C5cM5r+umE
+2LLv/BlUr7RaQHhaKGn4Qhpzo5yRDE9mEqDpLVkbg8SxMsdf/pEF5/VyUwA9t8RT
+fKVsInRd386tDqJSDbSFqKTvLztr/5YCyzZzvC2YB1voko/caOGd2d/G51Ij+bXU
+xEN8U4fHDBsHwPUGb31uZUhTXpL37KiOqZmXFoH2usmuvx882XvyGcV0F4tstMaR
+KLKzl2PwqzAYGFexLkYKMz0TYIeN6h3b86ETazPPU49nkaEU23Dx21J2Rb3UlH+I
+lDQF3wuH1QlYiTnlcVa/Zu4QQg0/iP8ALkZ06mvn9e9mOtnA8gsh4B2oLqc19VLU
+bcpv40dV1H3W9Lcx9B8JYUp0c/Oyno1D7Yj3tjGcwMKECmUpHi4kksehVo0/P933
+xmFmC6eyWYVdO9upvY/vKSB7b1dMt85iWr3gnMsSfRYc6jsbSxdjOPST46UsIzjx
+wa1DS6+Bv5tiaC4uC6X+0tCAZo+UOQMYUbTGRR/7g/c=
+-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/rsa.pass.pub b/node_modules/public-encrypt/test/rsa.pass.pub
new file mode 100644
index 00000000..655cc3a4
--- /dev/null
+++ b/node_modules/public-encrypt/test/rsa.pass.pub
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBHjANBgkqhkiG9w0BAQEFAAOCAQsAMIIBBgKB/gy7mjaWgPeFdVYDZWRCA9BN
+iv3pPb0es27+FKY0hszLaOw47ExCtAWpDsH48TXAfyHBYwBLguayfk4LGIupxb+C
+GMbRo3xEp0CbfY1Jby26T9vGjRC1foHDDUJG84uaRbyHqaf4i6zt4gVR+xlAEIjk
+aFAAK8cOoXAT1CVqGLLljUCchL8PjaHj/yriZ/S7rdwlI3LnABxwwmLrmR/v71Wt
+pmO/aNG8N+1po+QwaghTkyQ59E/ZvAuOkFWHok2q/R6PYAa2jdZ9zim0FqOP+nkQ
+aEDRbBFBmBqTv5fFGfk2WsAfKf/RG0/VFd+ZeM5251TeTvXH695nlSGauVl9AgMB
+AAE=
+-----END PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/test/test_cert.pem b/node_modules/public-encrypt/test/test_cert.pem
new file mode 100644
index 00000000..a3c1e4a0
--- /dev/null
+++ b/node_modules/public-encrypt/test/test_cert.pem
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
diff --git a/node_modules/public-encrypt/test/test_key.pem b/node_modules/public-encrypt/test/test_key.pem
new file mode 100644
index 00000000..48fd93c9
--- /dev/null
+++ b/node_modules/public-encrypt/test/test_key.pem
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/test_rsa_privkey.pem b/node_modules/public-encrypt/test/test_rsa_privkey.pem
new file mode 100644
index 00000000..425518a0
--- /dev/null
+++ b/node_modules/public-encrypt/test/test_rsa_privkey.pem
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/test_rsa_privkey_encrypted.pem b/node_modules/public-encrypt/test/test_rsa_privkey_encrypted.pem
new file mode 100644
index 00000000..08e76171
--- /dev/null
+++ b/node_modules/public-encrypt/test/test_rsa_privkey_encrypted.pem
@@ -0,0 +1,18 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-128-CBC,9D916E00476DFF9E70FA4BA9E3A6CB0E
+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-----END RSA PRIVATE KEY-----
diff --git a/node_modules/public-encrypt/test/test_rsa_pubkey.pem b/node_modules/public-encrypt/test/test_rsa_pubkey.pem
new file mode 100644
index 00000000..b3bbf6cb
--- /dev/null
+++ b/node_modules/public-encrypt/test/test_rsa_pubkey.pem
@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCFENGw33yGihy92pDjZQhl0C3
+6rPJj+CvfSC8+q28hxA161QFNUd13wuCTUcq0Qd2qsBe/2hFyc2DCJJg0h1L78+6
+Z4UMR7EOcpfdUE9Hf3m/hs+FUR45uBJeDK1HSFHD8bHKD6kv8FPGfJTotc+2xjJw
+oYi+1hqp1fIekaxsyQIDAQAB
+-----END PUBLIC KEY-----
diff --git a/node_modules/public-encrypt/withPublic.js b/node_modules/public-encrypt/withPublic.js
new file mode 100644
index 00000000..417a1bf7
--- /dev/null
+++ b/node_modules/public-encrypt/withPublic.js
@@ -0,0 +1,12 @@
+var BN = require('bn.js')
+var Buffer = require('safe-buffer').Buffer
+
+function withPublic (paddedMsg, key) {
+  return Buffer.from(paddedMsg
+    .toRed(BN.mont(key.modulus))
+    .redPow(new BN(key.publicExponent))
+    .fromRed()
+    .toArray())
+}
+
+module.exports = withPublic
diff --git a/node_modules/public-encrypt/xor.js b/node_modules/public-encrypt/xor.js
new file mode 100644
index 00000000..10d2764e
--- /dev/null
+++ b/node_modules/public-encrypt/xor.js
@@ -0,0 +1,8 @@
+module.exports = function xor (a, b) {
+  var len = a.length
+  var i = -1
+  while (++i < len) {
+    a[i] ^= b[i]
+  }
+  return a
+}
diff --git a/node_modules/pump/.github/FUNDING.yml b/node_modules/pump/.github/FUNDING.yml
new file mode 100644
index 00000000..f6c9139a
--- /dev/null
+++ b/node_modules/pump/.github/FUNDING.yml
@@ -0,0 +1,2 @@
+github: mafintosh
+tidelift: "npm/pump"
diff --git a/node_modules/pump/.travis.yml b/node_modules/pump/.travis.yml
new file mode 100644
index 00000000..17f94330
--- /dev/null
+++ b/node_modules/pump/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.10"
+
+script: "npm test"
diff --git a/node_modules/pump/LICENSE b/node_modules/pump/LICENSE
new file mode 100644
index 00000000..757562ec
--- /dev/null
+++ b/node_modules/pump/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/pump/README.md b/node_modules/pump/README.md
new file mode 100644
index 00000000..5dcd8a52
--- /dev/null
+++ b/node_modules/pump/README.md
@@ -0,0 +1,74 @@
+# pump
+
+pump is a small node module that pipes streams together and destroys all of them if one of them closes.
+
+```
+npm install pump
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/pump.svg?style=flat)](http://travis-ci.org/mafintosh/pump)
+
+## What problem does it solve?
+
+When using standard `source.pipe(dest)` source will _not_ be destroyed if dest emits close or an error.
+You are also not able to provide a callback to tell when then pipe has finished.
+
+pump does these two things for you
+
+## Usage
+
+Simply pass the streams you want to pipe together to pump and add an optional callback
+
+``` js
+var pump = require('pump')
+var fs = require('fs')
+
+var source = fs.createReadStream('/dev/random')
+var dest = fs.createWriteStream('/dev/null')
+
+pump(source, dest, function(err) {
+  console.log('pipe finished', err)
+})
+
+setTimeout(function() {
+  dest.destroy() // when dest is closed pump will destroy source
+}, 1000)
+```
+
+You can use pump to pipe more than two streams together as well
+
+``` js
+var transform = someTransformStream()
+
+pump(source, transform, anotherTransform, dest, function(err) {
+  console.log('pipe finished', err)
+})
+```
+
+If `source`, `transform`, `anotherTransform` or `dest` closes all of them will be destroyed.
+
+Similarly to `stream.pipe()`, `pump()` returns the last stream passed in, so you can do:
+
+```
+return pump(s1, s2) // returns s2
+```
+
+Note that `pump` attaches error handlers to the streams to do internal error handling, so if `s2` emits an
+error in the above scenario, it will not trigger a `proccess.on('uncaughtException')` if you do not listen for it.
+
+If you want to return a stream that combines *both* s1 and s2 to a single stream use
+[pumpify](https://github.com/mafintosh/pumpify) instead.
+
+## License
+
+MIT
+
+## Related
+
+`pump` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
+
+## For enterprise
+
+Available as part of the Tidelift Subscription.
+
+The maintainers of pump and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-pump?utm_source=npm-pump&utm_medium=referral&utm_campaign=enterprise)
diff --git a/node_modules/pump/SECURITY.md b/node_modules/pump/SECURITY.md
new file mode 100644
index 00000000..da9c516d
--- /dev/null
+++ b/node_modules/pump/SECURITY.md
@@ -0,0 +1,5 @@
+## Security contact information
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
diff --git a/node_modules/pump/index.js b/node_modules/pump/index.js
new file mode 100644
index 00000000..ce95e3e0
--- /dev/null
+++ b/node_modules/pump/index.js
@@ -0,0 +1,86 @@
+var once = require('once')
+var eos = require('end-of-stream')
+var fs
+
+try {
+  fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes
+} catch (e) {}
+
+var noop = function () {}
+var ancient = /^v?\.0/.test(process.version)
+
+var isFn = function (fn) {
+  return typeof fn === 'function'
+}
+
+var isFS = function (stream) {
+  if (!ancient) return false // newer node version do not need to care about fs is a special way
+  if (!fs) return false // browser
+  return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close)
+}
+
+var isRequest = function (stream) {
+  return stream.setHeader && isFn(stream.abort)
+}
+
+var destroyer = function (stream, reading, writing, callback) {
+  callback = once(callback)
+
+  var closed = false
+  stream.on('close', function () {
+    closed = true
+  })
+
+  eos(stream, {readable: reading, writable: writing}, function (err) {
+    if (err) return callback(err)
+    closed = true
+    callback()
+  })
+
+  var destroyed = false
+  return function (err) {
+    if (closed) return
+    if (destroyed) return
+    destroyed = true
+
+    if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks
+    if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want
+
+    if (isFn(stream.destroy)) return stream.destroy()
+
+    callback(err || new Error('stream was destroyed'))
+  }
+}
+
+var call = function (fn) {
+  fn()
+}
+
+var pipe = function (from, to) {
+  return from.pipe(to)
+}
+
+var pump = function () {
+  var streams = Array.prototype.slice.call(arguments)
+  var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop
+
+  if (Array.isArray(streams[0])) streams = streams[0]
+  if (streams.length < 2) throw new Error('pump requires two streams per minimum')
+
+  var error
+  var destroys = streams.map(function (stream, i) {
+    var reading = i < streams.length - 1
+    var writing = i > 0
+    return destroyer(stream, reading, writing, function (err) {
+      if (!error) error = err
+      if (err) destroys.forEach(call)
+      if (reading) return
+      destroys.forEach(call)
+      callback(error)
+    })
+  })
+
+  return streams.reduce(pipe)
+}
+
+module.exports = pump
diff --git a/node_modules/pump/package.json b/node_modules/pump/package.json
new file mode 100644
index 00000000..ba588fba
--- /dev/null
+++ b/node_modules/pump/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "pump",
+  "version": "3.0.2",
+  "repository": "git://github.com/mafintosh/pump.git",
+  "license": "MIT",
+  "description": "pipe streams together and close all of them if one of them closes",
+  "browser": {
+    "fs": false
+  },
+  "keywords": [
+    "streams",
+    "pipe",
+    "destroy",
+    "callback"
+  ],
+  "author": "Mathias Buus Madsen <mathiasbuus@gmail.com>",
+  "dependencies": {
+    "end-of-stream": "^1.1.0",
+    "once": "^1.3.1"
+  },
+  "scripts": {
+    "test": "node test-browser.js && node test-node.js"
+  }
+}
diff --git a/node_modules/pump/test-browser.js b/node_modules/pump/test-browser.js
new file mode 100644
index 00000000..9a06c8a4
--- /dev/null
+++ b/node_modules/pump/test-browser.js
@@ -0,0 +1,66 @@
+var stream = require('stream')
+var pump = require('./index')
+
+var rs = new stream.Readable()
+var ws = new stream.Writable()
+
+rs._read = function (size) {
+  this.push(Buffer(size).fill('abc'))
+}
+
+ws._write = function (chunk, encoding, cb) {
+  setTimeout(function () {
+    cb()
+  }, 100)
+}
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-browser.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('finish', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('end', function () {
+  rsClosed = true
+  check()
+})
+
+var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+if (res !== ws) {
+  throw new Error('should return last stream')
+}
+
+setTimeout(function () {
+  rs.push(null)
+  rs.emit('close')
+}, 1000)
+
+var timeout = setTimeout(function () {
+  check()
+  throw new Error('timeout')
+}, 5000)
diff --git a/node_modules/pump/test-node.js b/node_modules/pump/test-node.js
new file mode 100644
index 00000000..561251a0
--- /dev/null
+++ b/node_modules/pump/test-node.js
@@ -0,0 +1,53 @@
+var pump = require('./index')
+
+var rs = require('fs').createReadStream('/dev/random')
+var ws = require('fs').createWriteStream('/dev/null')
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-node.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('close', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('close', function () {
+  rsClosed = true
+  check()
+})
+
+var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+if (res !== ws) {
+  throw new Error('should return last stream')
+}
+
+setTimeout(function () {
+  rs.destroy()
+}, 1000)
+
+var timeout = setTimeout(function () {
+  throw new Error('timeout')
+}, 5000)
diff --git a/node_modules/pumpify/.travis.yml b/node_modules/pumpify/.travis.yml
new file mode 100644
index 00000000..32e71a6b
--- /dev/null
+++ b/node_modules/pumpify/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+
+node_js:
+  - "0.10"
+  - "4"
+  - "5"
+
+sudo: false
diff --git a/node_modules/pumpify/LICENSE b/node_modules/pumpify/LICENSE
new file mode 100644
index 00000000..757562ec
--- /dev/null
+++ b/node_modules/pumpify/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/pumpify/README.md b/node_modules/pumpify/README.md
new file mode 100644
index 00000000..4988f7b1
--- /dev/null
+++ b/node_modules/pumpify/README.md
@@ -0,0 +1,56 @@
+# pumpify
+
+Combine an array of streams into a single duplex stream using [pump](https://github.com/mafintosh/pump) and [duplexify](https://github.com/mafintosh/duplexify).
+If one of the streams closes/errors all streams in the pipeline will be destroyed.
+
+```
+npm install pumpify
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/pumpify.svg?style=flat)](http://travis-ci.org/mafintosh/pumpify)
+
+## Usage
+
+Pass the streams you want to pipe together to pumpify `pipeline = pumpify(s1, s2, s3, ...)`.
+`pipeline` is a duplex stream that writes to the first streams and reads from the last one.
+Streams are piped together using [pump](https://github.com/mafintosh/pump) so if one of them closes
+all streams will be destroyed.
+
+``` js
+var pumpify = require('pumpify')
+var tar = require('tar-fs')
+var zlib = require('zlib')
+var fs = require('fs')
+
+var untar = pumpify(zlib.createGunzip(), tar.extract('output-folder'))
+// you can also pass an array instead
+// var untar = pumpify([zlib.createGunzip(), tar.extract('output-folder')])
+
+fs.createReadStream('some-gzipped-tarball.tgz').pipe(untar)
+```
+
+If you are pumping object streams together use `pipeline = pumpify.obj(s1, s2, ...)`.
+Call `pipeline.destroy()` to destroy the pipeline (including the streams passed to pumpify).
+
+### Using `setPipeline(s1, s2, ...)`
+
+Similar to [duplexify](https://github.com/mafintosh/duplexify) you can also define the pipeline asynchronously using `setPipeline(s1, s2, ...)`
+
+``` js
+var untar = pumpify()
+
+setTimeout(function() {
+  // will start draining the input now
+  untar.setPipeline(zlib.createGunzip(), tar.extract('output-folder'))
+}, 1000)
+
+fs.createReadStream('some-gzipped-tarball.tgz').pipe(untar)
+```
+
+## License
+
+MIT
+
+## Related
+
+`pumpify` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
diff --git a/node_modules/pumpify/index.js b/node_modules/pumpify/index.js
new file mode 100644
index 00000000..473e2566
--- /dev/null
+++ b/node_modules/pumpify/index.js
@@ -0,0 +1,60 @@
+var pump = require('pump')
+var inherits = require('inherits')
+var Duplexify = require('duplexify')
+
+var toArray = function(args) {
+  if (!args.length) return []
+  return Array.isArray(args[0]) ? args[0] : Array.prototype.slice.call(args)
+}
+
+var define = function(opts) {
+  var Pumpify = function() {
+    var streams = toArray(arguments)
+    if (!(this instanceof Pumpify)) return new Pumpify(streams)
+    Duplexify.call(this, null, null, opts)
+    if (streams.length) this.setPipeline(streams)
+  }
+
+  inherits(Pumpify, Duplexify)
+
+  Pumpify.prototype.setPipeline = function() {
+    var streams = toArray(arguments)
+    var self = this
+    var ended = false
+    var w = streams[0]
+    var r = streams[streams.length-1]
+
+    r = r.readable ? r : null
+    w = w.writable ? w : null
+
+    var onclose = function() {
+      streams[0].emit('error', new Error('stream was destroyed'))
+    }
+
+    this.on('close', onclose)
+    this.on('prefinish', function() {
+      if (!ended) self.cork()
+    })
+
+    pump(streams, function(err) {
+      self.removeListener('close', onclose)
+      if (err) return self.destroy(err.message === 'premature close' ? null : err)
+      ended = true
+      // pump ends after the last stream is not writable *but*
+      // pumpify still forwards the readable part so we need to catch errors
+      // still, so reenable autoDestroy in this case
+      if (self._autoDestroy === false) self._autoDestroy = true
+      self.uncork()
+    })
+
+    if (this.destroyed) return onclose()
+    this.setWritable(w)
+    this.setReadable(r)
+  }
+
+  return Pumpify
+}
+
+module.exports = define({autoDestroy:false, destroy:false})
+module.exports.obj = define({autoDestroy: false, destroy:false, objectMode:true, highWaterMark:16})
+module.exports.ctor = define
diff --git a/node_modules/pumpify/node_modules/pump/.travis.yml b/node_modules/pumpify/node_modules/pump/.travis.yml
new file mode 100644
index 00000000..17f94330
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.10"
+
+script: "npm test"
diff --git a/node_modules/pumpify/node_modules/pump/LICENSE b/node_modules/pumpify/node_modules/pump/LICENSE
new file mode 100644
index 00000000..757562ec
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/pumpify/node_modules/pump/README.md b/node_modules/pumpify/node_modules/pump/README.md
new file mode 100644
index 00000000..5029b27d
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/README.md
@@ -0,0 +1,56 @@
+# pump
+
+pump is a small node module that pipes streams together and destroys all of them if one of them closes.
+
+```
+npm install pump
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/pump.svg?style=flat)](http://travis-ci.org/mafintosh/pump)
+
+## What problem does it solve?
+
+When using standard `source.pipe(dest)` source will _not_ be destroyed if dest emits close or an error.
+You are also not able to provide a callback to tell when then pipe has finished.
+
+pump does these two things for you
+
+## Usage
+
+Simply pass the streams you want to pipe together to pump and add an optional callback
+
+``` js
+var pump = require('pump')
+var fs = require('fs')
+
+var source = fs.createReadStream('/dev/random')
+var dest = fs.createWriteStream('/dev/null')
+
+pump(source, dest, function(err) {
+  console.log('pipe finished', err)
+})
+
+setTimeout(function() {
+  dest.destroy() // when dest is closed pump will destroy source
+}, 1000)
+```
+
+You can use pump to pipe more than two streams together as well
+
+``` js
+var transform = someTransformStream()
+
+pump(source, transform, anotherTransform, dest, function(err) {
+  console.log('pipe finished', err)
+})
+```
+
+If `source`, `transform`, `anotherTransform` or `dest` closes all of them will be destroyed.
+
+## License
+
+MIT
+
+## Related
+
+`pump` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
diff --git a/node_modules/pumpify/node_modules/pump/index.js b/node_modules/pumpify/node_modules/pump/index.js
new file mode 100644
index 00000000..d9ca0335
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/index.js
@@ -0,0 +1,82 @@
+var once = require('once')
+var eos = require('end-of-stream')
+var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes
+
+var noop = function () {}
+var ancient = /^v?\.0/.test(process.version)
+
+var isFn = function (fn) {
+  return typeof fn === 'function'
+}
+
+var isFS = function (stream) {
+  if (!ancient) return false // newer node version do not need to care about fs is a special way
+  if (!fs) return false // browser
+  return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close)
+}
+
+var isRequest = function (stream) {
+  return stream.setHeader && isFn(stream.abort)
+}
+
+var destroyer = function (stream, reading, writing, callback) {
+  callback = once(callback)
+
+  var closed = false
+  stream.on('close', function () {
+    closed = true
+  })
+
+  eos(stream, {readable: reading, writable: writing}, function (err) {
+    if (err) return callback(err)
+    closed = true
+    callback()
+  })
+
+  var destroyed = false
+  return function (err) {
+    if (closed) return
+    if (destroyed) return
+    destroyed = true
+
+    if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks
+    if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want
+
+    if (isFn(stream.destroy)) return stream.destroy()
+
+    callback(err || new Error('stream was destroyed'))
+  }
+}
+
+var call = function (fn) {
+  fn()
+}
+
+var pipe = function (from, to) {
+  return from.pipe(to)
+}
+
+var pump = function () {
+  var streams = Array.prototype.slice.call(arguments)
+  var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop
+
+  if (Array.isArray(streams[0])) streams = streams[0]
+  if (streams.length < 2) throw new Error('pump requires two streams per minimum')
+
+  var error
+  var destroys = streams.map(function (stream, i) {
+    var reading = i < streams.length - 1
+    var writing = i > 0
+    return destroyer(stream, reading, writing, function (err) {
+      if (!error) error = err
+      if (err) destroys.forEach(call)
+      if (reading) return
+      destroys.forEach(call)
+      callback(error)
+    })
+  })
+
+  streams.reduce(pipe)
+}
+
+module.exports = pump
diff --git a/node_modules/pumpify/node_modules/pump/package.json b/node_modules/pumpify/node_modules/pump/package.json
new file mode 100644
index 00000000..0f921f6c
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "pump",
+  "version": "2.0.1",
+  "repository": "git://github.com/mafintosh/pump.git",
+  "license": "MIT",
+  "description": "pipe streams together and close all of them if one of them closes",
+  "browser": {
+    "fs": false
+  },
+  "keywords": [
+    "streams",
+    "pipe",
+    "destroy",
+    "callback"
+  ],
+  "author": "Mathias Buus Madsen <mathiasbuus@gmail.com>",
+  "dependencies": {
+    "end-of-stream": "^1.1.0",
+    "once": "^1.3.1"
+  },
+  "scripts": {
+    "test": "node test-browser.js && node test-node.js"
+  }
+}
diff --git a/node_modules/pumpify/node_modules/pump/test-browser.js b/node_modules/pumpify/node_modules/pump/test-browser.js
new file mode 100644
index 00000000..75ea4a29
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/test-browser.js
@@ -0,0 +1,62 @@
+var stream = require('stream')
+var pump = require('./index')
+
+var rs = new stream.Readable()
+var ws = new stream.Writable()
+
+rs._read = function (size) {
+  this.push(Buffer(size).fill('abc'))
+}
+
+ws._write = function (chunk, encoding, cb) {
+  setTimeout(function () {
+    cb()
+  }, 100)
+}
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-browser.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('finish', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('end', function () {
+  rsClosed = true
+  check()
+})
+
+pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+setTimeout(function () {
+  rs.push(null)
+  rs.emit('close')
+}, 1000)
+
+var timeout = setTimeout(function () {
+  check()
+  throw new Error('timeout')
+}, 5000)
diff --git a/node_modules/pumpify/node_modules/pump/test-node.js b/node_modules/pumpify/node_modules/pump/test-node.js
new file mode 100644
index 00000000..034a6541
--- /dev/null
+++ b/node_modules/pumpify/node_modules/pump/test-node.js
@@ -0,0 +1,53 @@
+var pump = require('./index')
+
+var rs = require('fs').createReadStream('/dev/random')
+var ws = require('fs').createWriteStream('/dev/null')
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-node.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('close', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('close', function () {
+  rsClosed = true
+  check()
+})
+
+var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+if (res) {
+  process.exit(1)
+}
+
+setTimeout(function () {
+  rs.destroy()
+}, 1000)
+
+var timeout = setTimeout(function () {
+  throw new Error('timeout')
+}, 5000)
diff --git a/node_modules/pumpify/package.json b/node_modules/pumpify/package.json
new file mode 100644
index 00000000..616e3c34
--- /dev/null
+++ b/node_modules/pumpify/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "pumpify",
+  "version": "1.5.1",
+  "description": "Combine an array of streams into a single duplex stream using pump and duplexify",
+  "main": "index.js",
+  "dependencies": {
+    "duplexify": "^3.6.0",
+    "inherits": "^2.0.3",
+    "pump": "^2.0.0"
+  },
+  "devDependencies": {
+    "tape": "^4.8.0",
+    "through2": "^2.0.3"
+  },
+  "scripts": {
+    "test": "tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mafintosh/pumpify"
+  },
+  "keywords": [
+    "pump",
+    "duplexify",
+    "duplex",
+    "streams",
+    "stream",
+    "pipeline",
+    "combine"
+  ],
+  "author": "Mathias Buus",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/pumpify/issues"
+  },
+  "homepage": "https://github.com/mafintosh/pumpify"
+}
diff --git a/node_modules/pumpify/test.js b/node_modules/pumpify/test.js
new file mode 100644
index 00000000..b603c4d8
--- /dev/null
+++ b/node_modules/pumpify/test.js
@@ -0,0 +1,235 @@
+var tape = require('tape')
+var through = require('through2')
+var pumpify = require('./')
+var stream = require('stream')
+var duplexify = require('duplexify')
+
+tape('basic', function(t) {
+  t.plan(3)
+
+  var pipeline = pumpify(
+    through(function(data, enc, cb) {
+      t.same(data.toString(), 'hello')
+      cb(null, data.toString().toUpperCase())
+    }),
+    through(function(data, enc, cb) {
+      t.same(data.toString(), 'HELLO')
+      cb(null, data.toString().toLowerCase())
+    })
+  )
+
+  pipeline.write('hello')
+  pipeline.on('data', function(data) {
+    t.same(data.toString(), 'hello')
+    t.end()
+  })
+})
+
+tape('3 times', function(t) {
+  t.plan(4)
+
+  var pipeline = pumpify(
+    through(function(data, enc, cb) {
+      t.same(data.toString(), 'hello')
+      cb(null, data.toString().toUpperCase())
+    }),
+    through(function(data, enc, cb) {
+      t.same(data.toString(), 'HELLO')
+      cb(null, data.toString().toLowerCase())
+    }),
+    through(function(data, enc, cb) {
+      t.same(data.toString(), 'hello')
+      cb(null, data.toString().toUpperCase())
+    })
+  )
+
+  pipeline.write('hello')
+  pipeline.on('data', function(data) {
+    t.same(data.toString(), 'HELLO')
+    t.end()
+  })
+})
+
+tape('destroy', function(t) {
+  var test = through()
+  test.destroy = function() {
+    t.ok(true)
+    t.end()
+  }
+
+  var pipeline = pumpify(through(), test)
+
+  pipeline.destroy()
+})
+
+tape('close', function(t) {
+  var test = through()
+  var pipeline = pumpify(through(), test)
+
+  pipeline.on('error', function(err) {
+    t.same(err.message, 'lol')
+    t.end()
+  })
+
+  test.emit('error', new Error('lol'))
+})
+
+tape('end waits for last one', function(t) {
+  var ran = false
+
+  var a = through()
+  var b = through()
+  var c = through(function(data, enc, cb) {
+    setTimeout(function() {
+      ran = true
+      cb()
+    }, 100)
+  })
+
+  var pipeline = pumpify(a, b, c)
+
+  pipeline.write('foo')
+  pipeline.end(function() {
+    t.ok(ran)
+    t.end()
+  })
+
+  t.ok(!ran)
+})
+
+tape('always wait for finish', function(t) {
+  var a = new stream.Readable()
+  a._read = function() {}
+  a.push('hello')
+
+  var pipeline = pumpify(a, through(), through())
+  var ran = false
+
+  pipeline.on('finish', function() {
+    t.ok(ran)
+    t.end()
+  })
+
+  setTimeout(function() {
+    ran = true
+    a.push(null)
+  }, 100)
+})
+
+tape('async', function(t) {
+  var pipeline = pumpify()
+
+  t.plan(4)
+
+  pipeline.write('hello')
+  pipeline.on('data', function(data) {
+    t.same(data.toString(), 'HELLO')
+    t.end()
+  })
+
+  setTimeout(function() {
+    pipeline.setPipeline(
+      through(function(data, enc, cb) {
+        t.same(data.toString(), 'hello')
+        cb(null, data.toString().toUpperCase())
+      }),
+      through(function(data, enc, cb) {
+        t.same(data.toString(), 'HELLO')
+        cb(null, data.toString().toLowerCase())
+      }),
+      through(function(data, enc, cb) {
+        t.same(data.toString(), 'hello')
+        cb(null, data.toString().toUpperCase())
+      })
+    )
+  }, 100)
+})
+
+tape('early destroy', function(t) {
+  var a = through()
+  var b = through()
+  var c = through()
+
+  b.destroy = function() {
+    t.ok(true)
+    t.end()
+  }
+
+  var pipeline = pumpify()
+
+  pipeline.destroy()
+  setTimeout(function() {
+    pipeline.setPipeline(a, b, c)
+  }, 100)
+})
+
+tape('preserves error', function (t) {
+  var a = through()
+  var b = through(function (data, enc, cb) {
+    cb(new Error('stop'))
+  })
+  var c = through()
+  var s = pumpify()
+
+  s.on('error', function (err) {
+    t.same(err.message, 'stop')
+    t.end()
+  })
+
+  s.setPipeline(a, b, c)
+  s.resume()
+  s.write('hi')
+})
+
+tape('preserves error again', function (t) {
+  var ws = new stream.Writable()
+  var rs = new stream.Readable({highWaterMark: 16})
+
+  ws._write = function (data, enc, cb) {
+    cb(null)
+  }
+
+  rs._read = function () {
+    process.nextTick(function () {
+      rs.push('hello world')
+    })
+  }
+
+  var pumpifyErr = pumpify(
+    through(),
+    through(function(chunk, _, cb) {
+      cb(new Error('test'))
+    }),
+    ws
+  )
+
+  rs.pipe(pumpifyErr)
+    .on('error', function (err) {
+      t.ok(err)
+      t.ok(err.message !== 'premature close', 'does not close with premature close')
+      t.end()
+    })
+})
+
+tape('returns error from duplexify', function (t) {
+  var a = through()
+  var b = duplexify()
+  var s = pumpify()
+
+  s.setPipeline(a, b)
+
+  s.on('error', function (err) {
+    t.same(err.message, 'stop')
+    t.end()
+  })
+
+  s.write('data')
+  // Test passes if `.end()` is not called
+  s.end()
+
+  b.setWritable(through())
+
+  setImmediate(function () {
+    b.destroy(new Error('stop'))
+  })
+})
diff --git a/node_modules/punycode/LICENSE-MIT.txt b/node_modules/punycode/LICENSE-MIT.txt
new file mode 100644
index 00000000..a41e0a7e
--- /dev/null
+++ b/node_modules/punycode/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/punycode/README.md b/node_modules/punycode/README.md
new file mode 100644
index 00000000..f611016b
--- /dev/null
+++ b/node_modules/punycode/README.md
@@ -0,0 +1,148 @@
+# Punycode.js [![punycode on npm](https://img.shields.io/npm/v/punycode)](https://www.npmjs.com/package/punycode) [![](https://data.jsdelivr.com/v1/package/npm/punycode/badge)](https://www.jsdelivr.com/package/npm/punycode)
+
+Punycode.js is a robust Punycode converter that fully complies to [RFC 3492](https://tools.ietf.org/html/rfc3492) and [RFC 5891](https://tools.ietf.org/html/rfc5891).
+
+This JavaScript library is the result of comparing, optimizing and documenting different open-source implementations of the Punycode algorithm:
+
+* [The C example code from RFC 3492](https://tools.ietf.org/html/rfc3492#appendix-C)
+* [`punycode.c` by _Markus W. Scherer_ (IBM)](http://opensource.apple.com/source/ICU/ICU-400.42/icuSources/common/punycode.c)
+* [`punycode.c` by _Ben Noordhuis_](https://github.com/bnoordhuis/punycode/blob/master/punycode.c)
+* [JavaScript implementation by _some_](http://stackoverflow.com/questions/183485/can-anyone-recommend-a-good-free-javascript-for-punycode-to-unicode-conversion/301287#301287)
+* [`punycode.js` by _Ben Noordhuis_](https://github.com/joyent/node/blob/426298c8c1c0d5b5224ac3658c41e7c2a3fe9377/lib/punycode.js) (note: [not fully compliant](https://github.com/joyent/node/issues/2072))
+
+This project was [bundled](https://github.com/joyent/node/blob/master/lib/punycode.js) with Node.js from [v0.6.2+](https://github.com/joyent/node/compare/975f1930b1...61e796decc) until [v7](https://github.com/nodejs/node/pull/7941) (soft-deprecated).
+
+This project provides a CommonJS module that uses ES2015+ features and JavaScript module, which work in modern Node.js versions and browsers. For the old Punycode.js version that offers the same functionality in a UMD build with support for older pre-ES2015 runtimes, including Rhino, Ringo, and Narwhal, see [v1.4.1](https://github.com/mathiasbynens/punycode.js/releases/tag/v1.4.1).
+
+## Installation
+
+Via [npm](https://www.npmjs.com/):
+
+```bash
+npm install punycode --save
+```
+
+In [Node.js](https://nodejs.org/):
+
+> ⚠️ Note that userland modules don't hide core modules.
+> For example, `require('punycode')` still imports the deprecated core module even if you executed `npm install punycode`.
+> Use `require('punycode/')` to import userland modules rather than core modules.
+
+```js
+const punycode = require('punycode/');
+```
+
+## API
+
+### `punycode.decode(string)`
+
+Converts a Punycode string of ASCII symbols to a string of Unicode symbols.
+
+```js
+// decode domain name parts
+punycode.decode('maana-pta'); // 'mañana'
+punycode.decode('--dqo34k'); // '☃-⌘'
+```
+
+### `punycode.encode(string)`
+
+Converts a string of Unicode symbols to a Punycode string of ASCII symbols.
+
+```js
+// encode domain name parts
+punycode.encode('mañana'); // 'maana-pta'
+punycode.encode('☃-⌘'); // '--dqo34k'
+```
+
+### `punycode.toUnicode(input)`
+
+Converts a Punycode string representing a domain name or an email address to Unicode. Only the Punycoded parts of the input will be converted, i.e. it doesn’t matter if you call it on a string that has already been converted to Unicode.
+
+```js
+// decode domain names
+punycode.toUnicode('xn--maana-pta.com');
+// → 'mañana.com'
+punycode.toUnicode('xn----dqo34k.com');
+// → '☃-⌘.com'
+
+// decode email addresses
+punycode.toUnicode('джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq');
+// → 'джумла@джpумлатест.bрфa'
+```
+
+### `punycode.toASCII(input)`
+
+Converts a lowercased Unicode string representing a domain name or an email address to Punycode. Only the non-ASCII parts of the input will be converted, i.e. it doesn’t matter if you call it with a domain that’s already in ASCII.
+
+```js
+// encode domain names
+punycode.toASCII('mañana.com');
+// → 'xn--maana-pta.com'
+punycode.toASCII('☃-⌘.com');
+// → 'xn----dqo34k.com'
+
+// encode email addresses
+punycode.toASCII('джумла@джpумлатест.bрфa');
+// → 'джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq'
+```
+
+### `punycode.ucs2`
+
+#### `punycode.ucs2.decode(string)`
+
+Creates an array containing the numeric code point values of each Unicode symbol in the string. While [JavaScript uses UCS-2 internally](https://mathiasbynens.be/notes/javascript-encoding), this function will convert a pair of surrogate halves (each of which UCS-2 exposes as separate characters) into a single code point, matching UTF-16.
+
+```js
+punycode.ucs2.decode('abc');
+// → [0x61, 0x62, 0x63]
+// surrogate pair for U+1D306 TETRAGRAM FOR CENTRE:
+punycode.ucs2.decode('\uD834\uDF06');
+// → [0x1D306]
+```
+
+#### `punycode.ucs2.encode(codePoints)`
+
+Creates a string based on an array of numeric code point values.
+
+```js
+punycode.ucs2.encode([0x61, 0x62, 0x63]);
+// → 'abc'
+punycode.ucs2.encode([0x1D306]);
+// → '\uD834\uDF06'
+```
+
+### `punycode.version`
+
+A string representing the current Punycode.js version number.
+
+## For maintainers
+
+### How to publish a new release
+
+1. On the `main` branch, bump the version number in `package.json`:
+
+    ```sh
+    npm version patch -m 'Release v%s'
+    ```
+
+    Instead of `patch`, use `minor` or `major` [as needed](https://semver.org/).
+
+    Note that this produces a Git commit + tag.
+
+1. Push the release commit and tag:
+
+    ```sh
+    git push && git push --tags
+    ```
+
+    Our CI then automatically publishes the new release to npm, under both the [`punycode`](https://www.npmjs.com/package/punycode) and [`punycode.js`](https://www.npmjs.com/package/punycode.js) names.
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## License
+
+Punycode.js is available under the [MIT](https://mths.be/mit) license.
diff --git a/node_modules/punycode/package.json b/node_modules/punycode/package.json
new file mode 100644
index 00000000..b8b76fc7
--- /dev/null
+++ b/node_modules/punycode/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "punycode",
+  "version": "2.3.1",
+  "description": "A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.",
+  "homepage": "https://mths.be/punycode",
+  "main": "punycode.js",
+  "jsnext:main": "punycode.es6.js",
+  "module": "punycode.es6.js",
+  "engines": {
+    "node": ">=6"
+  },
+  "keywords": [
+    "punycode",
+    "unicode",
+    "idn",
+    "idna",
+    "dns",
+    "url",
+    "domain"
+  ],
+  "license": "MIT",
+  "author": {
+    "name": "Mathias Bynens",
+    "url": "https://mathiasbynens.be/"
+  },
+  "contributors": [
+    {
+      "name": "Mathias Bynens",
+      "url": "https://mathiasbynens.be/"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mathiasbynens/punycode.js.git"
+  },
+  "bugs": "https://github.com/mathiasbynens/punycode.js/issues",
+  "files": [
+    "LICENSE-MIT.txt",
+    "punycode.js",
+    "punycode.es6.js"
+  ],
+  "scripts": {
+    "test": "mocha tests",
+    "build": "node scripts/prepublish.js"
+  },
+  "devDependencies": {
+    "codecov": "^3.8.3",
+    "nyc": "^15.1.0",
+    "mocha": "^10.2.0"
+  },
+  "jspm": {
+    "map": {
+      "./punycode.js": {
+        "node": "@node/punycode"
+      }
+    }
+  }
+}
diff --git a/node_modules/punycode/punycode.es6.js b/node_modules/punycode/punycode.es6.js
new file mode 100644
index 00000000..dadece25
--- /dev/null
+++ b/node_modules/punycode/punycode.es6.js
@@ -0,0 +1,444 @@
+'use strict';
+
+/** Highest positive signed 32-bit float value */
+const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+const base = 36;
+const tMin = 1;
+const tMax = 26;
+const skew = 38;
+const damp = 700;
+const initialBias = 72;
+const initialN = 128; // 0x80
+const delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+const regexPunycode = /^xn--/;
+const regexNonASCII = /[^\0-\x7F]/; // Note: U+007F DEL is excluded too.
+const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+const errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+const baseMinusTMin = base - tMin;
+const floor = Math.floor;
+const stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, callback) {
+	const result = [];
+	let length = array.length;
+	while (length--) {
+		result[length] = callback(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {String} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(domain, callback) {
+	const parts = domain.split('@');
+	let result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		domain = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	domain = domain.replace(regexSeparators, '\x2E');
+	const labels = domain.split('.');
+	const encoded = map(labels, callback).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	const output = [];
+	let counter = 0;
+	const length = string.length;
+	while (counter < length) {
+		const value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			const extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+const ucs2encode = codePoints => String.fromCodePoint(...codePoints);
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+const basicToDigit = function(codePoint) {
+	if (codePoint >= 0x30 && codePoint < 0x3A) {
+		return 26 + (codePoint - 0x30);
+	}
+	if (codePoint >= 0x41 && codePoint < 0x5B) {
+		return codePoint - 0x41;
+	}
+	if (codePoint >= 0x61 && codePoint < 0x7B) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+const digitToBasic = function(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+const adapt = function(delta, numPoints, firstTime) {
+	let k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+const decode = function(input) {
+	// Don't use UCS-2.
+	const output = [];
+	const inputLength = input.length;
+	let i = 0;
+	let n = initialN;
+	let bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	let basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (let j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		const oldi = i;
+		for (let w = 1, k = base; /* no condition */; k += base) {
+
+			if (index >= inputLength) {
+				error('invalid-input');
+			}
+
+			const digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base) {
+				error('invalid-input');
+			}
+			if (digit > floor((maxInt - i) / w)) {
+				error('overflow');
+			}
+
+			i += digit * w;
+			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+			if (digit < t) {
+				break;
+			}
+
+			const baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error('overflow');
+			}
+
+			w *= baseMinusT;
+
+		}
+
+		const out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+
+	}
+
+	return String.fromCodePoint(...output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+const encode = function(input) {
+	const output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	const inputLength = input.length;
+
+	// Initialize the state.
+	let n = initialN;
+	let delta = 0;
+	let bias = initialBias;
+
+	// Handle the basic code points.
+	for (const currentValue of input) {
+		if (currentValue < 0x80) {
+			output.push(stringFromCharCode(currentValue));
+		}
+	}
+
+	const basicLength = output.length;
+	let handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		let m = maxInt;
+		for (const currentValue of input) {
+			if (currentValue >= n && currentValue < m) {
+				m = currentValue;
+			}
+		}
+
+		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+		// but guard against overflow.
+		const handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		for (const currentValue of input) {
+			if (currentValue < n && ++delta > maxInt) {
+				error('overflow');
+			}
+			if (currentValue === n) {
+				// Represent delta as a generalized variable-length integer.
+				let q = delta;
+				for (let k = base; /* no condition */; k += base) {
+					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+					if (q < t) {
+						break;
+					}
+					const qMinusT = q - t;
+					const baseMinusT = base - t;
+					output.push(
+						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+					);
+					q = floor(qMinusT / baseMinusT);
+				}
+
+				output.push(stringFromCharCode(digitToBasic(q, 0)));
+				bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength);
+				delta = 0;
+				++handledCPCount;
+			}
+		}
+
+		++delta;
+		++n;
+
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+const toUnicode = function(input) {
+	return mapDomain(input, function(string) {
+		return regexPunycode.test(string)
+			? decode(string.slice(4).toLowerCase())
+			: string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+const toASCII = function(input) {
+	return mapDomain(input, function(string) {
+		return regexNonASCII.test(string)
+			? 'xn--' + encode(string)
+			: string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+const punycode = {
+	/**
+	 * A string representing the current Punycode.js version number.
+	 * @memberOf punycode
+	 * @type String
+	 */
+	'version': '2.3.1',
+	/**
+	 * An object of methods to convert from JavaScript's internal character
+	 * representation (UCS-2) to Unicode code points, and back.
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode
+	 * @type Object
+	 */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+export { ucs2decode, ucs2encode, decode, encode, toASCII, toUnicode };
+export default punycode;
diff --git a/node_modules/punycode/punycode.js b/node_modules/punycode/punycode.js
new file mode 100644
index 00000000..a1ef2519
--- /dev/null
+++ b/node_modules/punycode/punycode.js
@@ -0,0 +1,443 @@
+'use strict';
+
+/** Highest positive signed 32-bit float value */
+const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+const base = 36;
+const tMin = 1;
+const tMax = 26;
+const skew = 38;
+const damp = 700;
+const initialBias = 72;
+const initialN = 128; // 0x80
+const delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+const regexPunycode = /^xn--/;
+const regexNonASCII = /[^\0-\x7F]/; // Note: U+007F DEL is excluded too.
+const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+const errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+const baseMinusTMin = base - tMin;
+const floor = Math.floor;
+const stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, callback) {
+	const result = [];
+	let length = array.length;
+	while (length--) {
+		result[length] = callback(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {String} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(domain, callback) {
+	const parts = domain.split('@');
+	let result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		domain = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	domain = domain.replace(regexSeparators, '\x2E');
+	const labels = domain.split('.');
+	const encoded = map(labels, callback).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	const output = [];
+	let counter = 0;
+	const length = string.length;
+	while (counter < length) {
+		const value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			const extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+const ucs2encode = codePoints => String.fromCodePoint(...codePoints);
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+const basicToDigit = function(codePoint) {
+	if (codePoint >= 0x30 && codePoint < 0x3A) {
+		return 26 + (codePoint - 0x30);
+	}
+	if (codePoint >= 0x41 && codePoint < 0x5B) {
+		return codePoint - 0x41;
+	}
+	if (codePoint >= 0x61 && codePoint < 0x7B) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+const digitToBasic = function(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+const adapt = function(delta, numPoints, firstTime) {
+	let k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+const decode = function(input) {
+	// Don't use UCS-2.
+	const output = [];
+	const inputLength = input.length;
+	let i = 0;
+	let n = initialN;
+	let bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	let basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (let j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		const oldi = i;
+		for (let w = 1, k = base; /* no condition */; k += base) {
+
+			if (index >= inputLength) {
+				error('invalid-input');
+			}
+
+			const digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base) {
+				error('invalid-input');
+			}
+			if (digit > floor((maxInt - i) / w)) {
+				error('overflow');
+			}
+
+			i += digit * w;
+			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+			if (digit < t) {
+				break;
+			}
+
+			const baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error('overflow');
+			}
+
+			w *= baseMinusT;
+
+		}
+
+		const out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+
+	}
+
+	return String.fromCodePoint(...output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+const encode = function(input) {
+	const output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	const inputLength = input.length;
+
+	// Initialize the state.
+	let n = initialN;
+	let delta = 0;
+	let bias = initialBias;
+
+	// Handle the basic code points.
+	for (const currentValue of input) {
+		if (currentValue < 0x80) {
+			output.push(stringFromCharCode(currentValue));
+		}
+	}
+
+	const basicLength = output.length;
+	let handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		let m = maxInt;
+		for (const currentValue of input) {
+			if (currentValue >= n && currentValue < m) {
+				m = currentValue;
+			}
+		}
+
+		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+		// but guard against overflow.
+		const handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		for (const currentValue of input) {
+			if (currentValue < n && ++delta > maxInt) {
+				error('overflow');
+			}
+			if (currentValue === n) {
+				// Represent delta as a generalized variable-length integer.
+				let q = delta;
+				for (let k = base; /* no condition */; k += base) {
+					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+					if (q < t) {
+						break;
+					}
+					const qMinusT = q - t;
+					const baseMinusT = base - t;
+					output.push(
+						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+					);
+					q = floor(qMinusT / baseMinusT);
+				}
+
+				output.push(stringFromCharCode(digitToBasic(q, 0)));
+				bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength);
+				delta = 0;
+				++handledCPCount;
+			}
+		}
+
+		++delta;
+		++n;
+
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+const toUnicode = function(input) {
+	return mapDomain(input, function(string) {
+		return regexPunycode.test(string)
+			? decode(string.slice(4).toLowerCase())
+			: string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+const toASCII = function(input) {
+	return mapDomain(input, function(string) {
+		return regexNonASCII.test(string)
+			? 'xn--' + encode(string)
+			: string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+const punycode = {
+	/**
+	 * A string representing the current Punycode.js version number.
+	 * @memberOf punycode
+	 * @type String
+	 */
+	'version': '2.3.1',
+	/**
+	 * An object of methods to convert from JavaScript's internal character
+	 * representation (UCS-2) to Unicode code points, and back.
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode
+	 * @type Object
+	 */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+module.exports = punycode;
diff --git a/node_modules/qs/.editorconfig b/node_modules/qs/.editorconfig
new file mode 100644
index 00000000..6adecfbf
--- /dev/null
+++ b/node_modules/qs/.editorconfig
@@ -0,0 +1,46 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 160
+quote_type = single
+
+[test/*]
+max_line_length = off
+
+[LICENSE.md]
+indent_size = off
+
+[*.md]
+max_line_length = off
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[LICENSE]
+indent_size = 2
+max_line_length = off
+
+[coverage/**/*]
+indent_size = off
+indent_style = off
+indent = off
+max_line_length = off
+
+[.nycrc]
+indent_style = tab
+
+[tea.yaml]
+indent_size = 2
diff --git a/node_modules/qs/.eslintrc b/node_modules/qs/.eslintrc
new file mode 100644
index 00000000..a89f60e6
--- /dev/null
+++ b/node_modules/qs/.eslintrc
@@ -0,0 +1,39 @@
+{
+    "root": true,
+
+    "extends": "@ljharb",
+
+    "ignorePatterns": [
+        "dist/",
+    ],
+
+    "rules": {
+        "complexity": 0,
+        "consistent-return": 1,
+        "func-name-matching": 0,
+        "id-length": [2, { "min": 1, "max": 25, "properties": "never" }],
+        "indent": [2, 4],
+        "max-lines": 0,
+        "max-lines-per-function": [2, { "max": 150 }],
+        "max-params": [2, 18],
+        "max-statements": [2, 100],
+        "multiline-comment-style": 0,
+        "no-continue": 1,
+        "no-magic-numbers": 0,
+        "no-restricted-syntax": [2, "BreakStatement", "DebuggerStatement", "ForInStatement", "LabeledStatement", "WithStatement"],
+    },
+
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "function-paren-newline": 0,
+                "max-lines-per-function": 0,
+                "max-statements": 0,
+                "no-buffer-constructor": 0,
+                "no-extend-native": 0,
+                "no-throw-literal": 0,
+            },
+        },
+    ],
+}
diff --git a/node_modules/qs/.github/FUNDING.yml b/node_modules/qs/.github/FUNDING.yml
new file mode 100644
index 00000000..0355f4f5
--- /dev/null
+++ b/node_modules/qs/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/qs
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/qs/.nycrc b/node_modules/qs/.nycrc
new file mode 100644
index 00000000..1d57cabe
--- /dev/null
+++ b/node_modules/qs/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"dist"
+	]
+}
diff --git a/node_modules/qs/CHANGELOG.md b/node_modules/qs/CHANGELOG.md
new file mode 100644
index 00000000..dc8e8794
--- /dev/null
+++ b/node_modules/qs/CHANGELOG.md
@@ -0,0 +1,622 @@
+## **6.14.0**
+- [New] `parse`: add `throwOnParameterLimitExceeded` option (#517)
+- [Refactor] `parse`: use `utils.combine` more
+- [patch] `parse`: add explicit `throwOnLimitExceeded` default
+- [actions] use shared action; re-add finishers
+- [meta] Fix changelog formatting bug
+- [Deps] update `side-channel`
+- [Dev Deps] update `es-value-fixtures`, `has-bigints`, `has-proto`, `has-symbols`
+- [Tests] increase coverage
+
+## **6.13.1**
+- [Fix] `stringify`: avoid a crash when a `filter` key is `null`
+- [Fix] `utils.merge`: functions should not be stringified into keys
+- [Fix] `parse`: avoid a crash with interpretNumericEntities: true, comma: true, and iso charset
+- [Fix] `stringify`: ensure a non-string `filter` does not crash
+- [Refactor] use `__proto__` syntax instead of `Object.create` for null objects
+- [Refactor] misc cleanup
+- [Tests] `utils.merge`: add some coverage
+- [Tests] fix a test case
+- [actions] split out node 10-20, and 20+
+- [Dev Deps] update `es-value-fixtures`, `mock-property`, `object-inspect`, `tape`
+
+## **6.13.0**
+- [New] `parse`: add `strictDepth` option (#511)
+- [Tests] use `npm audit` instead of `aud`
+
+## **6.12.3**
+- [Fix] `parse`: properly account for `strictNullHandling` when `allowEmptyArrays`
+- [meta] fix changelog indentation
+
+## **6.12.2**
+- [Fix] `parse`: parse encoded square brackets (#506)
+- [readme] add CII best practices badge
+
+## **6.12.1**
+- [Fix] `parse`: Disable `decodeDotInKeys` by default to restore previous behavior (#501)
+- [Performance] `utils`: Optimize performance under large data volumes, reduce memory usage, and speed up processing (#502)
+- [Refactor] `utils`: use `+=`
+- [Tests] increase coverage
+
+## **6.12.0**
+
+- [New] `parse`/`stringify`: add `decodeDotInKeys`/`encodeDotKeys` options (#488)
+- [New] `parse`: add `duplicates` option
+- [New] `parse`/`stringify`: add `allowEmptyArrays` option to allow [] in object values (#487)
+- [Refactor] `parse`/`stringify`: move allowDots config logic to its own variable
+- [Refactor] `stringify`: move option-handling code into `normalizeStringifyOptions`
+- [readme] update readme, add logos (#484)
+- [readme] `stringify`: clarify default `arrayFormat` behavior
+- [readme] fix line wrapping
+- [readme] remove dead badges
+- [Deps] update `side-channel`
+- [meta] make the dist build 50% smaller
+- [meta] add `sideEffects` flag
+- [meta] run build in prepack, not prepublish
+- [Tests] `parse`: remove useless tests; add coverage
+- [Tests] `stringify`: increase coverage
+- [Tests] use `mock-property`
+- [Tests] `stringify`: improve coverage
+- [Dev Deps] update `@ljharb/eslint-config `, `aud`, `has-override-mistake`, `has-property-descriptors`, `mock-property`, `npmignore`, `object-inspect`, `tape`
+- [Dev Deps] pin `glob`, since v10.3.8+ requires a broken `jackspeak`
+- [Dev Deps] pin `jackspeak` since 2.1.2+ depends on npm aliases, which kill the install process in npm < 6
+
+## **6.11.2**
+- [Fix] `parse`: Fix parsing when the global Object prototype is frozen (#473)
+- [Tests] add passing test cases with empty keys (#473)
+
+## **6.11.1**
+- [Fix] `stringify`: encode comma values more consistently (#463)
+- [readme] add usage of `filter` option for injecting custom serialization, i.e. of custom types (#447)
+- [meta] remove extraneous code backticks (#457)
+- [meta] fix changelog markdown
+- [actions] update checkout action
+- [actions] restrict action permissions
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape`
+
+## **6.11.0**
+- [New] [Fix] `stringify`: revert 0e903c0; add `commaRoundTrip` option (#442)
+- [readme] fix version badge
+
+## **6.10.5**
+- [Fix] `stringify`: with `arrayFormat: comma`, properly include an explicit `[]` on a single-item array (#434)
+
+## **6.10.4**
+- [Fix] `stringify`: with `arrayFormat: comma`, include an explicit `[]` on a single-item array (#441)
+- [meta] use `npmignore` to autogenerate an npmignore file
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-symbol`, `object-inspect`, `tape`
+
+## **6.10.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [actions] reuse common workflows
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `tape`
+
+## **6.10.2**
+- [Fix] `stringify`: actually fix cyclic references (#426)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [actions] update codecov uploader
+- [actions] update workflows
+- [Tests] clean up stringify tests slightly
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `safe-publish-latest`, `tape`
+
+## **6.10.1**
+- [Fix] `stringify`: avoid exception on repeated object values (#402)
+
+## **6.10.0**
+- [New] `stringify`: throw on cycles, instead of an infinite loop (#395, #394, #393)
+- [New] `parse`: add `allowSparse` option for collapsing arrays with missing indices (#312)
+- [meta] fix README.md (#399)
+- [meta] only run `npm run dist` in publish, not install
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-symbols`, `tape`
+- [Tests] fix tests on node v0.6
+- [Tests] use `ljharb/actions/node/install` instead of `ljharb/actions/node/run`
+- [Tests] Revert "[meta] ignore eclint transitive audit warning"
+
+## **6.9.7**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [Tests] clean up stringify tests slightly
+- [meta] fix README.md (#399)
+- Revert "[meta] ignore eclint transitive audit warning"
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+
+## **6.9.6**
+- [Fix] restore `dist` dir; mistakenly removed in d4f6c32
+
+## **6.9.5**
+- [Fix] `stringify`: do not encode parens for RFC1738
+- [Fix] `stringify`: fix arrayFormat comma with empty array/objects (#350)
+- [Refactor] `format`: remove `util.assign` call
+- [meta] add "Allow Edits" workflow; update rebase workflow
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event
+- [Tests] `stringify`: add tests for #378
+- [Tests] migrate tests to Github Actions
+- [Tests] run `nyc` on all tests; use `tape` runner
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `mkdirp`, `object-inspect`, `tape`; add `aud`
+
+## **6.9.4**
+- [Fix] `stringify`: when `arrayFormat` is `comma`, respect `serializeDate` (#364)
+- [Refactor] `stringify`: reduce branching (part of #350)
+- [Refactor] move `maybeMap` to `utils`
+- [Dev Deps] update `browserify`, `tape`
+
+## **6.9.3**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.9.2**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [meta] ignore eclint transitive audit warning
+- [meta] fix indentation in package.json
+- [meta] add tidelift marketing copy
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `has-symbols`, `tape`, `mkdirp`, `iconv-lite`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.9.1**
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [Fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`
+- [Tests] use shared travis-ci config
+
+## **6.9.0**
+- [New] `parse`/`stringify`: Pass extra key/value argument to `decoder` (#333)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `evalmd`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] add `posttest` using `npx aud` to run `npm audit` without a lockfile
+- [Tests] up to `node` `v12.10`, `v11.15`, `v10.16`, `v8.16`
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+
+## **6.8.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Tests] clean up stringify tests slightly
+- [Docs] add note and links for coercing primitive values (#408)
+- [meta] fix README.md (#399)
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+- [Refactor] `stringify`: reduce branching
+- [meta] do not publish workflow files
+
+## **6.8.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.8.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `has-symbols`, `iconv-lite`, `mkdirp`, `object-inspect`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.8.0**
+- [New] add `depth=false` to preserve the original key; [Fix] `depth=0` should preserve the original key (#326)
+- [New] [Fix] stringify symbols and bigints
+- [Fix] ensure node 0.12 can stringify Symbols
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `safe-publish-latest`, `iconv-lite`, `tape`
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended (#326)
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [docs] readme: add security note
+- [meta] add github sponsorship
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+
+## **6.7.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [meta] fix README.md (#399)
+- [meta] do not publish workflow files
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+- [Tests] use `nyc` for coverage
+- [Tests] clean up stringify tests slightly
+
+## **6.7.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.7.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- readme: add security note
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `iconv-lite`, `mkdirp`, `object-inspect`, `browserify`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.7.0**
+- [New] `stringify`/`parse`: add `comma` as an `arrayFormat` option (#276, #219)
+- [Fix] correctly parse nested arrays (#212)
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source, also with an array source
+- [Robustness] `stringify`: cache `Object.prototype.hasOwnProperty`
+- [Refactor] `utils`: `isBuffer`: small tweak; add tests
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `parse`/`stringify`: make a function to normalize the options
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] `stringify`/`utils`: cache `Array.isArray`
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
+- [Tests] temporarily allow coverage to fail
+
+## **6.6.1**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] correctly parse nested arrays
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Robustness] `stringify`: cache `Object.prototype.hasOwnProperty`
+- [Refactor] `formats`: tiny bit of cleanup.
+- [Refactor] `utils`: `isBuffer`: small tweak; add tests
+- [Refactor]: `stringify`/`utils`: cache `Array.isArray`
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `parse`/`stringify`: make a function to normalize the options
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] do not publish workflow files
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [meta] Fixes typo in CHANGELOG.md
+- [actions] backport actions from main
+- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
+- [Tests] always use `String(x)` over `x.toString()`
+- [Dev Deps] backport from main
+
+## **6.6.0**
+- [New] Add support for iso-8859-1, utf8 "sentinel" and numeric entities (#268)
+- [New] move two-value combine to a `utils` function (#189)
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]` (#260)
+- [Fix] `stringify`: do not crash in an obscure combo of `interpretNumericEntities`, a bad custom `decoder`, & `iso-8859-1`
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Refactor] `parse`/`stringify`: clean up `charset` options checking; fix defaults
+- [Refactor] add missing defaults
+- [Refactor] `parse`: one less `concat` call
+- [Refactor] `utils`: `compactQueue`: make it explicitly side-effecting
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`, `iconv-lite`, `safe-publish-latest`, `tape`
+- [Tests] up to `node` `v10.10`, `v9.11`, `v8.12`, `v6.14`, `v4.9`; pin included builds to LTS
+
+## **6.5.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] correctly parse nested arrays
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.5.2**
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Refactor] utils: `module.exports` one thing, instead of mutating `exports` (#230)
+- [Dev Deps] update `browserify`, `eslint`, `iconv-lite`, `safer-buffer`, `tape`, `browserify`
+
+## **6.5.1**
+- [Fix] Fix parsing & compacting very deep objects (#224)
+- [Refactor] name utils functions
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`
+- [Tests] up to `node` `v8.4`; use `nvm install-latest-npm` so newer npm doesn’t break older node
+- [Tests] Use precise dist for Node.js 0.6 runtime (#225)
+- [Tests] make 0.6 required, now that it’s passing
+- [Tests] on `node` `v8.2`; fix npm on node 0.6
+
+## **6.5.0**
+- [New] add `utils.assign`
+- [New] pass default encoder/decoder to custom encoder/decoder functions (#206)
+- [New] `parse`/`stringify`: add `ignoreQueryPrefix`/`addQueryPrefix` options, respectively (#213)
+- [Fix] Handle stringifying empty objects with addQueryPrefix (#217)
+- [Fix] do not mutate `options` argument (#207)
+- [Refactor] `parse`: cache index to reuse in else statement (#182)
+- [Docs] add various badges to readme (#208)
+- [Dev Deps] update `eslint`, `browserify`, `iconv-lite`, `tape`
+- [Tests] up to `node` `v8.1`, `v7.10`, `v6.11`; npm v4.6 breaks on node < v1; npm v5+ breaks on node < v4
+- [Tests] add `editorconfig-tools`
+
+## **6.4.1**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.4.0**
+- [New] `qs.stringify`: add `encodeValuesOnly` option
+- [Fix] follow `allowPrototypes` option during merge (#201, #201)
+- [Fix] support keys starting with brackets (#202, #200)
+- [Fix] chmod a-x
+- [Dev Deps] update `eslint`
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+- [eslint] reduce warnings
+
+## **6.3.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] use `safer-buffer` instead of `Buffer` constructor
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.3.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Dev Deps] update `eslint`
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.3.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties (thanks, @snyk!)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `iconv-lite`, `qs-iconv`, `tape`
+- [Tests] on all node minors; improve test matrix
+- [Docs] document stringify option `allowDots` (#195)
+- [Docs] add empty object and array values example (#195)
+- [Docs] Fix minor inconsistency/typo (#192)
+- [Docs] document stringify option `sort` (#191)
+- [Refactor] `stringify`: throw faster with an invalid encoder
+- [Refactor] remove unnecessary escapes (#184)
+- Remove contributing.md, since `qs` is no longer part of `hapi` (#183)
+
+## **6.3.0**
+- [New] Add support for RFC 1738 (#174, #173)
+- [New] `stringify`: Add `serializeDate` option to customize Date serialization (#159)
+- [Fix] ensure `utils.merge` handles merging two arrays
+- [Refactor] only constructors should be capitalized
+- [Refactor] capitalized var names are for constructors only
+- [Refactor] avoid using a sparse array
+- [Robustness] `formats`: cache `String#replace`
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`; add `safe-publish-latest`
+- [Tests] up to `node` `v6.8`, `v4.6`; improve test matrix
+- [Tests] flesh out arrayLimit/arrayFormat tests (#107)
+- [Tests] skip Object.create tests when null objects are not available
+- [Tests] Turn on eslint for test files (#175)
+
+## **6.2.4**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] use `safer-buffer` instead of `Buffer` constructor
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.2.3**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.2.2**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## **6.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+- [Refactor] Be explicit and use `Object.prototype.hasOwnProperty.call`
+- [Tests] remove `parallelshell` since it does not reliably report failures
+- [Tests] up to `node` `v6.3`, `v5.12`
+- [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`, `qs-iconv`
+
+## [**6.2.0**](https://github.com/ljharb/qs/issues?milestone=36&state=closed)
+- [New] pass Buffers to the encoder/decoder directly (#161)
+- [New] add "encoder" and "decoder" options, for custom param encoding/decoding (#160)
+- [Fix] fix compacting of nested sparse arrays (#150)
+
+## **6.1.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.1.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## [**6.1.0**](https://github.com/ljharb/qs/issues?milestone=35&state=closed)
+- [New] allowDots option for `stringify` (#151)
+- [Fix] "sort" option should work at a depth of 3 or more (#151)
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## **6.0.4**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.0.3**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## [**6.0.2**](https://github.com/ljharb/qs/issues?milestone=33&state=closed)
+- Revert ES6 requirement and restore support for node down to v0.8.
+
+## [**6.0.1**](https://github.com/ljharb/qs/issues?milestone=32&state=closed)
+- [**#127**](https://github.com/ljharb/qs/pull/127) Fix engines definition in package.json
+
+## [**6.0.0**](https://github.com/ljharb/qs/issues?milestone=31&state=closed)
+- [**#124**](https://github.com/ljharb/qs/issues/124) Use ES6 and drop support for node < v4
+
+## **5.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+
+## [**5.2.0**](https://github.com/ljharb/qs/issues?milestone=30&state=closed)
+- [**#64**](https://github.com/ljharb/qs/issues/64) Add option to sort object keys in the query string
+
+## [**5.1.0**](https://github.com/ljharb/qs/issues?milestone=29&state=closed)
+- [**#117**](https://github.com/ljharb/qs/issues/117) make URI encoding stringified results optional
+- [**#106**](https://github.com/ljharb/qs/issues/106) Add flag `skipNulls` to optionally skip null values in stringify
+
+## [**5.0.0**](https://github.com/ljharb/qs/issues?milestone=28&state=closed)
+- [**#114**](https://github.com/ljharb/qs/issues/114) default allowDots to false
+- [**#100**](https://github.com/ljharb/qs/issues/100) include dist to npm
+
+## [**4.0.0**](https://github.com/ljharb/qs/issues?milestone=26&state=closed)
+- [**#98**](https://github.com/ljharb/qs/issues/98) make returning plain objects and allowing prototype overwriting properties optional
+
+## [**3.1.0**](https://github.com/ljharb/qs/issues?milestone=24&state=closed)
+- [**#89**](https://github.com/ljharb/qs/issues/89) Add option to disable "Transform dot notation to bracket notation"
+
+## [**3.0.0**](https://github.com/ljharb/qs/issues?milestone=23&state=closed)
+- [**#80**](https://github.com/ljharb/qs/issues/80) qs.parse silently drops properties
+- [**#77**](https://github.com/ljharb/qs/issues/77) Perf boost
+- [**#60**](https://github.com/ljharb/qs/issues/60) Add explicit option to disable array parsing
+- [**#74**](https://github.com/ljharb/qs/issues/74) Bad parse when turning array into object
+- [**#81**](https://github.com/ljharb/qs/issues/81) Add a `filter` option
+- [**#68**](https://github.com/ljharb/qs/issues/68) Fixed issue with recursion and passing strings into objects.
+- [**#66**](https://github.com/ljharb/qs/issues/66) Add mixed array and object dot notation support Closes: #47
+- [**#76**](https://github.com/ljharb/qs/issues/76) RFC 3986
+- [**#85**](https://github.com/ljharb/qs/issues/85) No equal sign
+- [**#84**](https://github.com/ljharb/qs/issues/84) update license attribute
+
+## [**2.4.1**](https://github.com/ljharb/qs/issues?milestone=20&state=closed)
+- [**#73**](https://github.com/ljharb/qs/issues/73) Property 'hasOwnProperty' of object #<Object> is not a function
+
+## [**2.4.0**](https://github.com/ljharb/qs/issues?milestone=19&state=closed)
+- [**#70**](https://github.com/ljharb/qs/issues/70) Add arrayFormat option
+
+## [**2.3.3**](https://github.com/ljharb/qs/issues?milestone=18&state=closed)
+- [**#59**](https://github.com/ljharb/qs/issues/59) make sure array indexes are >= 0, closes #57
+- [**#58**](https://github.com/ljharb/qs/issues/58) make qs usable for browser loader
+
+## [**2.3.2**](https://github.com/ljharb/qs/issues?milestone=17&state=closed)
+- [**#55**](https://github.com/ljharb/qs/issues/55) allow merging a string into an object
+
+## [**2.3.1**](https://github.com/ljharb/qs/issues?milestone=16&state=closed)
+- [**#52**](https://github.com/ljharb/qs/issues/52) Return "undefined" and "false" instead of throwing "TypeError".
+
+## [**2.3.0**](https://github.com/ljharb/qs/issues?milestone=15&state=closed)
+- [**#50**](https://github.com/ljharb/qs/issues/50) add option to omit array indices, closes #46
+
+## [**2.2.5**](https://github.com/ljharb/qs/issues?milestone=14&state=closed)
+- [**#39**](https://github.com/ljharb/qs/issues/39) Is there an alternative to Buffer.isBuffer?
+- [**#49**](https://github.com/ljharb/qs/issues/49) refactor utils.merge, fixes #45
+- [**#41**](https://github.com/ljharb/qs/issues/41) avoid browserifying Buffer, for #39
+
+## [**2.2.4**](https://github.com/ljharb/qs/issues?milestone=13&state=closed)
+- [**#38**](https://github.com/ljharb/qs/issues/38) how to handle object keys beginning with a number
+
+## [**2.2.3**](https://github.com/ljharb/qs/issues?milestone=12&state=closed)
+- [**#37**](https://github.com/ljharb/qs/issues/37) parser discards first empty value in array
+- [**#36**](https://github.com/ljharb/qs/issues/36) Update to lab 4.x
+
+## [**2.2.2**](https://github.com/ljharb/qs/issues?milestone=11&state=closed)
+- [**#33**](https://github.com/ljharb/qs/issues/33) Error when plain object in a value
+- [**#34**](https://github.com/ljharb/qs/issues/34) use Object.prototype.hasOwnProperty.call instead of obj.hasOwnProperty
+- [**#24**](https://github.com/ljharb/qs/issues/24) Changelog? Semver?
+
+## [**2.2.1**](https://github.com/ljharb/qs/issues?milestone=10&state=closed)
+- [**#32**](https://github.com/ljharb/qs/issues/32) account for circular references properly, closes #31
+- [**#31**](https://github.com/ljharb/qs/issues/31) qs.parse stackoverflow on circular objects
+
+## [**2.2.0**](https://github.com/ljharb/qs/issues?milestone=9&state=closed)
+- [**#26**](https://github.com/ljharb/qs/issues/26) Don't use Buffer global if it's not present
+- [**#30**](https://github.com/ljharb/qs/issues/30) Bug when merging non-object values into arrays
+- [**#29**](https://github.com/ljharb/qs/issues/29) Don't call Utils.clone at the top of Utils.merge
+- [**#23**](https://github.com/ljharb/qs/issues/23) Ability to not limit parameters?
+
+## [**2.1.0**](https://github.com/ljharb/qs/issues?milestone=8&state=closed)
+- [**#22**](https://github.com/ljharb/qs/issues/22) Enable using a RegExp as delimiter
+
+## [**2.0.0**](https://github.com/ljharb/qs/issues?milestone=7&state=closed)
+- [**#18**](https://github.com/ljharb/qs/issues/18) Why is there arrayLimit?
+- [**#20**](https://github.com/ljharb/qs/issues/20) Configurable parametersLimit
+- [**#21**](https://github.com/ljharb/qs/issues/21) make all limits optional, for #18, for #20
+
+## [**1.2.2**](https://github.com/ljharb/qs/issues?milestone=6&state=closed)
+- [**#19**](https://github.com/ljharb/qs/issues/19) Don't overwrite null values
+
+## [**1.2.1**](https://github.com/ljharb/qs/issues?milestone=5&state=closed)
+- [**#16**](https://github.com/ljharb/qs/issues/16) ignore non-string delimiters
+- [**#15**](https://github.com/ljharb/qs/issues/15) Close code block
+
+## [**1.2.0**](https://github.com/ljharb/qs/issues?milestone=4&state=closed)
+- [**#12**](https://github.com/ljharb/qs/issues/12) Add optional delim argument
+- [**#13**](https://github.com/ljharb/qs/issues/13) fix #11: flattened keys in array are now correctly parsed
+
+## [**1.1.0**](https://github.com/ljharb/qs/issues?milestone=3&state=closed)
+- [**#7**](https://github.com/ljharb/qs/issues/7) Empty values of a POST array disappear after being submitted
+- [**#9**](https://github.com/ljharb/qs/issues/9) Should not omit equals signs (=) when value is null
+- [**#6**](https://github.com/ljharb/qs/issues/6) Minor grammar fix in README
+
+## [**1.0.2**](https://github.com/ljharb/qs/issues?milestone=2&state=closed)
+- [**#5**](https://github.com/ljharb/qs/issues/5) array holes incorrectly copied into object on large index
diff --git a/node_modules/qs/LICENSE.md b/node_modules/qs/LICENSE.md
new file mode 100644
index 00000000..fecf6b69
--- /dev/null
+++ b/node_modules/qs/LICENSE.md
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2014, Nathan LaFreniere and other [contributors](https://github.com/ljharb/qs/graphs/contributors)
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/qs/README.md b/node_modules/qs/README.md
new file mode 100644
index 00000000..22c411df
--- /dev/null
+++ b/node_modules/qs/README.md
@@ -0,0 +1,733 @@
+<p align="center">
+    <img alt="qs" src="./logos/banner_default.png" width="800" />
+</p>
+
+# qs <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/9058/badge)](https://bestpractices.coreinfrastructure.org/projects/9058)
+
+[![npm badge][npm-badge-png]][package-url]
+
+A querystring parsing and stringifying library with some added security.
+
+Lead Maintainer: [Jordan Harband](https://github.com/ljharb)
+
+The **qs** module was originally created and maintained by [TJ Holowaychuk](https://github.com/visionmedia/node-querystring).
+
+## Usage
+
+```javascript
+var qs = require('qs');
+var assert = require('assert');
+
+var obj = qs.parse('a=c');
+assert.deepEqual(obj, { a: 'c' });
+
+var str = qs.stringify(obj);
+assert.equal(str, 'a=c');
+```
+
+### Parsing Objects
+
+[](#preventEval)
+```javascript
+qs.parse(string, [options]);
+```
+
+**qs** allows you to create nested objects within your query strings, by surrounding the name of sub-keys with square brackets `[]`.
+For example, the string `'foo[bar]=baz'` converts to:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar]=baz'), {
+    foo: {
+        bar: 'baz'
+    }
+});
+```
+
+When using the `plainObjects` option the parsed value is returned as a null object, created via `{ __proto__: null }` and as such you should be aware that prototype methods will not exist on it and a user may set those names to whatever value they like:
+
+```javascript
+var nullObject = qs.parse('a[hasOwnProperty]=b', { plainObjects: true });
+assert.deepEqual(nullObject, { a: { hasOwnProperty: 'b' } });
+```
+
+By default parameters that would overwrite properties on the object prototype are ignored, if you wish to keep the data from those fields either use `plainObjects` as mentioned above, or set `allowPrototypes` to `true` which will allow user input to overwrite those properties.
+*WARNING* It is generally a bad idea to enable this option as it can cause problems when attempting to use the properties that have been overwritten.
+Always be careful with this option.
+
+```javascript
+var protoObject = qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true });
+assert.deepEqual(protoObject, { a: { hasOwnProperty: 'b' } });
+```
+
+URI encoded strings work too:
+
+```javascript
+assert.deepEqual(qs.parse('a%5Bb%5D=c'), {
+    a: { b: 'c' }
+});
+```
+
+You can also nest your objects, like `'foo[bar][baz]=foobarbaz'`:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar][baz]=foobarbaz'), {
+    foo: {
+        bar: {
+            baz: 'foobarbaz'
+        }
+    }
+});
+```
+
+By default, when nesting objects **qs** will only parse up to 5 children deep.
+This means if you attempt to parse a string like `'a[b][c][d][e][f][g][h][i]=j'` your resulting object will be:
+
+```javascript
+var expected = {
+    a: {
+        b: {
+            c: {
+                d: {
+                    e: {
+                        f: {
+                            '[g][h][i]': 'j'
+                        }
+                    }
+                }
+            }
+        }
+    }
+};
+var string = 'a[b][c][d][e][f][g][h][i]=j';
+assert.deepEqual(qs.parse(string), expected);
+```
+
+This depth can be overridden by passing a `depth` option to `qs.parse(string, [options])`:
+
+```javascript
+var deep = qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
+assert.deepEqual(deep, { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } });
+```
+
+You can configure **qs** to throw an error when parsing nested input beyond this depth using the `strictDepth` option (defaulted to false):
+
+```javascript
+try {
+    qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1, strictDepth: true });
+} catch (err) {
+    assert(err instanceof RangeError);
+    assert.strictEqual(err.message, 'Input depth exceeded depth option of 1 and strictDepth is true');
+}
+```
+
+The depth limit helps mitigate abuse when **qs** is used to parse user input, and it is recommended to keep it a reasonably small number. The strictDepth option adds a layer of protection by throwing an error when the limit is exceeded, allowing you to catch and handle such cases.
+
+For similar reasons, by default **qs** will only parse up to 1000 parameters. This can be overridden by passing a `parameterLimit` option:
+
+```javascript
+var limited = qs.parse('a=b&c=d', { parameterLimit: 1 });
+assert.deepEqual(limited, { a: 'b' });
+```
+
+If you want an error to be thrown whenever the a limit is exceeded (eg, `parameterLimit`, `arrayLimit`), set the `throwOnLimitExceeded` option to `true`. This option will generate a descriptive error if the query string exceeds a configured limit.
+```javascript
+try {
+    qs.parse('a=1&b=2&c=3&d=4', { parameterLimit: 3, throwOnLimitExceeded: true });
+} catch (err) {
+    assert(err instanceof Error);
+    assert.strictEqual(err.message, 'Parameter limit exceeded. Only 3 parameters allowed.');
+}
+```
+
+When `throwOnLimitExceeded` is set to `false` (default), **qs** will parse up to the specified `parameterLimit` and ignore the rest without throwing an error.
+
+To bypass the leading question mark, use `ignoreQueryPrefix`:
+
+```javascript
+var prefixed = qs.parse('?a=b&c=d', { ignoreQueryPrefix: true });
+assert.deepEqual(prefixed, { a: 'b', c: 'd' });
+```
+
+An optional delimiter can also be passed:
+
+```javascript
+var delimited = qs.parse('a=b;c=d', { delimiter: ';' });
+assert.deepEqual(delimited, { a: 'b', c: 'd' });
+```
+
+Delimiters can be a regular expression too:
+
+```javascript
+var regexed = qs.parse('a=b;c=d,e=f', { delimiter: /[;,]/ });
+assert.deepEqual(regexed, { a: 'b', c: 'd', e: 'f' });
+```
+
+Option `allowDots` can be used to enable dot notation:
+
+```javascript
+var withDots = qs.parse('a.b=c', { allowDots: true });
+assert.deepEqual(withDots, { a: { b: 'c' } });
+```
+
+Option `decodeDotInKeys` can be used to decode dots in keys
+Note: it implies `allowDots`, so `parse` will error if you set `decodeDotInKeys` to `true`, and `allowDots` to `false`.
+
+```javascript
+var withDots = qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { decodeDotInKeys: true });
+assert.deepEqual(withDots, { 'name.obj': { first: 'John', last: 'Doe' }});
+```
+
+Option `allowEmptyArrays` can be used to allowing empty array values in object
+```javascript
+var withEmptyArrays = qs.parse('foo[]&bar=baz', { allowEmptyArrays: true });
+assert.deepEqual(withEmptyArrays, { foo: [], bar: 'baz' });
+```
+
+Option `duplicates` can be used to change the behavior when duplicate keys are encountered
+```javascript
+assert.deepEqual(qs.parse('foo=bar&foo=baz'), { foo: ['bar', 'baz'] });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'combine' }), { foo: ['bar', 'baz'] });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'first' }), { foo: 'bar' });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'last' }), { foo: 'baz' });
+```
+
+If you have to deal with legacy browsers or services, there's also support for decoding percent-encoded octets as iso-8859-1:
+
+```javascript
+var oldCharset = qs.parse('a=%A7', { charset: 'iso-8859-1' });
+assert.deepEqual(oldCharset, { a: '§' });
+```
+
+Some services add an initial `utf8=✓` value to forms so that old Internet Explorer versions are more likely to submit the form as utf-8.
+Additionally, the server can check the value against wrong encodings of the checkmark character and detect that a query string or `application/x-www-form-urlencoded` body was *not* sent as utf-8, eg. if the form had an `accept-charset` parameter or the containing page had a different character set.
+
+**qs** supports this mechanism via the `charsetSentinel` option.
+If specified, the `utf8` parameter will be omitted from the returned object.
+It will be used to switch to `iso-8859-1`/`utf-8` mode depending on how the checkmark is encoded.
+
+**Important**: When you specify both the `charset` option and the `charsetSentinel` option, the `charset` will be overridden when the request contains a `utf8` parameter from which the actual charset can be deduced.
+In that sense the `charset` will behave as the default charset rather than the authoritative charset.
+
+```javascript
+var detectedAsUtf8 = qs.parse('utf8=%E2%9C%93&a=%C3%B8', {
+    charset: 'iso-8859-1',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsUtf8, { a: 'ø' });
+
+// Browsers encode the checkmark as &#10003; when submitting as iso-8859-1:
+var detectedAsIso8859_1 = qs.parse('utf8=%26%2310003%3B&a=%F8', {
+    charset: 'utf-8',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: 'ø' });
+```
+
+If you want to decode the `&#...;` syntax to the actual character, you can specify the `interpretNumericEntities` option as well:
+
+```javascript
+var detectedAsIso8859_1 = qs.parse('a=%26%239786%3B', {
+    charset: 'iso-8859-1',
+    interpretNumericEntities: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: '☺' });
+```
+
+It also works when the charset has been detected in `charsetSentinel` mode.
+
+### Parsing Arrays
+
+**qs** can also parse arrays using a similar `[]` notation:
+
+```javascript
+var withArray = qs.parse('a[]=b&a[]=c');
+assert.deepEqual(withArray, { a: ['b', 'c'] });
+```
+
+You may specify an index as well:
+
+```javascript
+var withIndexes = qs.parse('a[1]=c&a[0]=b');
+assert.deepEqual(withIndexes, { a: ['b', 'c'] });
+```
+
+Note that the only difference between an index in an array and a key in an object is that the value between the brackets must be a number to create an array.
+When creating arrays with specific indices, **qs** will compact a sparse array to only the existing values preserving their order:
+
+```javascript
+var noSparse = qs.parse('a[1]=b&a[15]=c');
+assert.deepEqual(noSparse, { a: ['b', 'c'] });
+```
+
+You may also use `allowSparse` option to parse sparse arrays:
+
+```javascript
+var sparseArray = qs.parse('a[1]=2&a[3]=5', { allowSparse: true });
+assert.deepEqual(sparseArray, { a: [, '2', , '5'] });
+```
+
+Note that an empty string is also a value, and will be preserved:
+
+```javascript
+var withEmptyString = qs.parse('a[]=&a[]=b');
+assert.deepEqual(withEmptyString, { a: ['', 'b'] });
+
+var withIndexedEmptyString = qs.parse('a[0]=b&a[1]=&a[2]=c');
+assert.deepEqual(withIndexedEmptyString, { a: ['b', '', 'c'] });
+```
+
+**qs** will also limit specifying indices in an array to a maximum index of `20`.
+Any array members with an index of greater than `20` will instead be converted to an object with the index as the key.
+This is needed to handle cases when someone sent, for example, `a[999999999]` and it will take significant time to iterate over this huge array.
+
+```javascript
+var withMaxIndex = qs.parse('a[100]=b');
+assert.deepEqual(withMaxIndex, { a: { '100': 'b' } });
+```
+
+This limit can be overridden by passing an `arrayLimit` option:
+
+```javascript
+var withArrayLimit = qs.parse('a[1]=b', { arrayLimit: 0 });
+assert.deepEqual(withArrayLimit, { a: { '1': 'b' } });
+```
+
+If you want to throw an error whenever the array limit is exceeded, set the `throwOnLimitExceeded` option to `true`. This option will generate a descriptive error if the query string exceeds a configured limit.
+```javascript
+try {
+    qs.parse('a[1]=b', { arrayLimit: 0, throwOnLimitExceeded: true });
+} catch (err) {
+    assert(err instanceof Error);
+    assert.strictEqual(err.message, 'Array limit exceeded. Only 0 elements allowed in an array.');
+}
+```
+
+When `throwOnLimitExceeded` is set to `false` (default), **qs** will parse up to the specified `arrayLimit` and if the limit is exceeded, the array will instead be converted to an object with the index as the key
+
+To disable array parsing entirely, set `parseArrays` to `false`.
+
+```javascript
+var noParsingArrays = qs.parse('a[]=b', { parseArrays: false });
+assert.deepEqual(noParsingArrays, { a: { '0': 'b' } });
+```
+
+If you mix notations, **qs** will merge the two items into an object:
+
+```javascript
+var mixedNotation = qs.parse('a[0]=b&a[b]=c');
+assert.deepEqual(mixedNotation, { a: { '0': 'b', b: 'c' } });
+```
+
+You can also create arrays of objects:
+
+```javascript
+var arraysOfObjects = qs.parse('a[][b]=c');
+assert.deepEqual(arraysOfObjects, { a: [{ b: 'c' }] });
+```
+
+Some people use comma to join array, **qs** can parse it:
+```javascript
+var arraysOfObjects = qs.parse('a=b,c', { comma: true })
+assert.deepEqual(arraysOfObjects, { a: ['b', 'c'] })
+```
+(_this cannot convert nested objects, such as `a={b:1},{c:d}`_)
+
+### Parsing primitive/scalar values (numbers, booleans, null, etc)
+
+By default, all values are parsed as strings.
+This behavior will not change and is explained in [issue #91](https://github.com/ljharb/qs/issues/91).
+
+```javascript
+var primitiveValues = qs.parse('a=15&b=true&c=null');
+assert.deepEqual(primitiveValues, { a: '15', b: 'true', c: 'null' });
+```
+
+If you wish to auto-convert values which look like numbers, booleans, and other values into their primitive counterparts, you can use the [query-types Express JS middleware](https://github.com/xpepermint/query-types) which will auto-convert all request query parameters.
+
+### Stringifying
+
+[](#preventEval)
+```javascript
+qs.stringify(object, [options]);
+```
+
+When stringifying, **qs** by default URI encodes output. Objects are stringified as you would expect:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b' }), 'a=b');
+assert.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+```
+
+This encoding can be disabled by setting the `encode` option to `false`:
+
+```javascript
+var unencoded = qs.stringify({ a: { b: 'c' } }, { encode: false });
+assert.equal(unencoded, 'a[b]=c');
+```
+
+Encoding can be disabled for keys by setting the `encodeValuesOnly` option to `true`:
+```javascript
+var encodedValues = qs.stringify(
+    { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+    { encodeValuesOnly: true }
+);
+assert.equal(encodedValues,'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h');
+```
+
+This encoding can also be replaced by a custom encoding method set as `encoder` option:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str) {
+    // Passed in values `a`, `b`, `c`
+    return // Return encoded string
+}})
+```
+
+_(Note: the `encoder` option does not apply if `encode` is `false`)_
+
+Analogue to the `encoder` there is a `decoder` option for `parse` to override decoding of properties and values:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str) {
+    // Passed in values `x`, `z`
+    return // Return decoded string
+}})
+```
+
+You can encode keys and values using different logic by using the type argument provided to the encoder:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str, defaultEncoder, charset, type) {
+    if (type === 'key') {
+        return // Encoded key
+    } else if (type === 'value') {
+        return // Encoded value
+    }
+}})
+```
+
+The type argument is also provided to the decoder:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str, defaultDecoder, charset, type) {
+    if (type === 'key') {
+        return // Decoded key
+    } else if (type === 'value') {
+        return // Decoded value
+    }
+}})
+```
+
+Examples beyond this point will be shown as though the output is not URI encoded for clarity.
+Please note that the return values in these cases *will* be URI encoded during real usage.
+
+When arrays are stringified, they follow the `arrayFormat` option, which defaults to `indices`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] });
+// 'a[0]=b&a[1]=c&a[2]=d'
+```
+
+You may override this by setting the `indices` option to `false`, or to be more explicit, the `arrayFormat` option to `repeat`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false });
+// 'a=b&a=c&a=d'
+```
+
+You may use the `arrayFormat` option to specify the format of the output array:
+
+```javascript
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' })
+// 'a[0]=b&a[1]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' })
+// 'a[]=b&a[]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' })
+// 'a=b&a=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'comma' })
+// 'a=b,c'
+```
+
+Note: when using `arrayFormat` set to `'comma'`, you can also pass the `commaRoundTrip` option set to `true` or `false`, to append `[]` on single-item arrays, so that they can round trip through a parse.
+
+When objects are stringified, by default they use bracket notation:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } });
+// 'a[b][c]=d&a[b][e]=f'
+```
+
+You may override this to use dot notation by setting the `allowDots` option to `true`:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } }, { allowDots: true });
+// 'a.b.c=d&a.b.e=f'
+```
+
+You may encode the dot notation in the keys of object with option `encodeDotInKeys` by setting it to `true`:
+Note: it implies `allowDots`, so `stringify` will error if you set `decodeDotInKeys` to `true`, and `allowDots` to `false`.
+Caveat: when `encodeValuesOnly` is `true` as well as `encodeDotInKeys`, only dots in keys and nothing else will be encoded.
+```javascript
+qs.stringify({ "name.obj": { "first": "John", "last": "Doe" } }, { allowDots: true, encodeDotInKeys: true })
+// 'name%252Eobj.first=John&name%252Eobj.last=Doe'
+```
+
+You may allow empty array values by setting the `allowEmptyArrays` option to `true`:
+```javascript
+qs.stringify({ foo: [], bar: 'baz' }, { allowEmptyArrays: true });
+// 'foo[]&bar=baz'
+```
+
+Empty strings and null values will omit the value, but the equals sign (=) remains in place:
+
+```javascript
+assert.equal(qs.stringify({ a: '' }), 'a=');
+```
+
+Key with no values (such as an empty object or array) will return nothing:
+
+```javascript
+assert.equal(qs.stringify({ a: [] }), '');
+assert.equal(qs.stringify({ a: {} }), '');
+assert.equal(qs.stringify({ a: [{}] }), '');
+assert.equal(qs.stringify({ a: { b: []} }), '');
+assert.equal(qs.stringify({ a: { b: {}} }), '');
+```
+
+Properties that are set to `undefined` will be omitted entirely:
+
+```javascript
+assert.equal(qs.stringify({ a: null, b: undefined }), 'a=');
+```
+
+The query string may optionally be prepended with a question mark:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { addQueryPrefix: true }), '?a=b&c=d');
+```
+
+The delimiter may be overridden with stringify as well:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+```
+
+If you only want to override the serialization of `Date` objects, you can provide a `serializeDate` option:
+
+```javascript
+var date = new Date(7);
+assert.equal(qs.stringify({ a: date }), 'a=1970-01-01T00:00:00.007Z'.replace(/:/g, '%3A'));
+assert.equal(
+    qs.stringify({ a: date }, { serializeDate: function (d) { return d.getTime(); } }),
+    'a=7'
+);
+```
+
+You may use the `sort` option to affect the order of parameter keys:
+
+```javascript
+function alphabeticalSort(a, b) {
+    return a.localeCompare(b);
+}
+assert.equal(qs.stringify({ a: 'c', z: 'y', b : 'f' }, { sort: alphabeticalSort }), 'a=c&b=f&z=y');
+```
+
+Finally, you can use the `filter` option to restrict which keys will be included in the stringified output.
+If you pass a function, it will be called for each key to obtain the replacement value.
+Otherwise, if you pass an array, it will be used to select properties and array indices for stringification:
+
+```javascript
+function filterFunc(prefix, value) {
+    if (prefix == 'b') {
+        // Return an `undefined` value to omit a property.
+        return;
+    }
+    if (prefix == 'e[f]') {
+        return value.getTime();
+    }
+    if (prefix == 'e[g][0]') {
+        return value * 2;
+    }
+    return value;
+}
+qs.stringify({ a: 'b', c: 'd', e: { f: new Date(123), g: [2] } }, { filter: filterFunc });
+// 'a=b&c=d&e[f]=123&e[g][0]=4'
+qs.stringify({ a: 'b', c: 'd', e: 'f' }, { filter: ['a', 'e'] });
+// 'a=b&e=f'
+qs.stringify({ a: ['b', 'c', 'd'], e: 'f' }, { filter: ['a', 0, 2] });
+// 'a[0]=b&a[2]=d'
+```
+
+You could also use `filter` to inject custom serialization for user defined types.
+Consider you're working with some api that expects query strings of the format for ranges:
+
+```
+https://domain.com/endpoint?range=30...70
+```
+
+For which you model as:
+
+```javascript
+class Range {
+    constructor(from, to) {
+        this.from = from;
+        this.to = to;
+    }
+}
+```
+
+You could _inject_ a custom serializer to handle values of this type:
+
+```javascript
+qs.stringify(
+    {
+        range: new Range(30, 70),
+    },
+    {
+        filter: (prefix, value) => {
+            if (value instanceof Range) {
+                return `${value.from}...${value.to}`;
+            }
+            // serialize the usual way
+            return value;
+        },
+    }
+);
+// range=30...70
+```
+
+### Handling of `null` values
+
+By default, `null` values are treated like empty strings:
+
+```javascript
+var withNull = qs.stringify({ a: null, b: '' });
+assert.equal(withNull, 'a=&b=');
+```
+
+Parsing does not distinguish between parameters with and without equal signs.
+Both are converted to empty strings.
+
+```javascript
+var equalsInsensitive = qs.parse('a&b=');
+assert.deepEqual(equalsInsensitive, { a: '', b: '' });
+```
+
+To distinguish between `null` values and empty strings use the `strictNullHandling` flag. In the result string the `null`
+values have no `=` sign:
+
+```javascript
+var strictNull = qs.stringify({ a: null, b: '' }, { strictNullHandling: true });
+assert.equal(strictNull, 'a&b=');
+```
+
+To parse values without `=` back to `null` use the `strictNullHandling` flag:
+
+```javascript
+var parsedStrictNull = qs.parse('a&b=', { strictNullHandling: true });
+assert.deepEqual(parsedStrictNull, { a: null, b: '' });
+```
+
+To completely skip rendering keys with `null` values, use the `skipNulls` flag:
+
+```javascript
+var nullsSkipped = qs.stringify({ a: 'b', c: null}, { skipNulls: true });
+assert.equal(nullsSkipped, 'a=b');
+```
+
+If you're communicating with legacy systems, you can switch to `iso-8859-1` using the `charset` option:
+
+```javascript
+var iso = qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' });
+assert.equal(iso, '%E6=%E6');
+```
+
+Characters that don't exist in `iso-8859-1` will be converted to numeric entities, similar to what browsers do:
+
+```javascript
+var numeric = qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' });
+assert.equal(numeric, 'a=%26%239786%3B');
+```
+
+You can use the `charsetSentinel` option to announce the character by including an `utf8=✓` parameter with the proper encoding if the checkmark, similar to what Ruby on Rails and others do when submitting forms.
+
+```javascript
+var sentinel = qs.stringify({ a: '☺' }, { charsetSentinel: true });
+assert.equal(sentinel, 'utf8=%E2%9C%93&a=%E2%98%BA');
+
+var isoSentinel = qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' });
+assert.equal(isoSentinel, 'utf8=%26%2310003%3B&a=%E6');
+```
+
+### Dealing with special character sets
+
+By default the encoding and decoding of characters is done in `utf-8`, and `iso-8859-1` support is also built in via the `charset` parameter.
+
+If you wish to encode querystrings to a different character set (i.e.
+[Shift JIS](https://en.wikipedia.org/wiki/Shift_JIS)) you can use the
+[`qs-iconv`](https://github.com/martinheidegger/qs-iconv) library:
+
+```javascript
+var encoder = require('qs-iconv/encoder')('shift_jis');
+var shiftJISEncoded = qs.stringify({ a: 'こんにちは！' }, { encoder: encoder });
+assert.equal(shiftJISEncoded, 'a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I');
+```
+
+This also works for decoding of query strings:
+
+```javascript
+var decoder = require('qs-iconv/decoder')('shift_jis');
+var obj = qs.parse('a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I', { decoder: decoder });
+assert.deepEqual(obj, { a: 'こんにちは！' });
+```
+
+### RFC 3986 and RFC 1738 space encoding
+
+RFC3986 used as default option and encodes ' ' to *%20* which is backward compatible.
+In the same time, output can be stringified as per RFC1738 with ' ' equal to '+'.
+
+```
+assert.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC3986' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC1738' }), 'a=b+c');
+```
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+## qs for enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of qs and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications.
+Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use.
+[Learn more.](https://tidelift.com/subscription/pkg/npm-qs?utm_source=npm-qs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+[package-url]: https://npmjs.org/package/qs
+[npm-version-svg]: https://versionbadg.es/ljharb/qs.svg
+[deps-svg]: https://david-dm.org/ljharb/qs.svg
+[deps-url]: https://david-dm.org/ljharb/qs
+[dev-deps-svg]: https://david-dm.org/ljharb/qs/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/qs#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/qs.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/qs.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/qs.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=qs
+[codecov-image]: https://codecov.io/gh/ljharb/qs/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/qs/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/qs
+[actions-url]: https://github.com/ljharb/qs/actions
+
+## Acknowledgements
+
+qs logo by [NUMI](https://github.com/numi-hq/open-design):
+
+[<img src="https://raw.githubusercontent.com/numi-hq/open-design/main/assets/numi-lockup.png" alt="NUMI Logo" style="width: 200px;"/>](https://numi.tech/?ref=qs)
diff --git a/node_modules/qs/lib/formats.js b/node_modules/qs/lib/formats.js
new file mode 100644
index 00000000..f36cf206
--- /dev/null
+++ b/node_modules/qs/lib/formats.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+var Format = {
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
+
+module.exports = {
+    'default': Format.RFC3986,
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: Format.RFC1738,
+    RFC3986: Format.RFC3986
+};
diff --git a/node_modules/qs/lib/index.js b/node_modules/qs/lib/index.js
new file mode 100644
index 00000000..0d6a97dc
--- /dev/null
+++ b/node_modules/qs/lib/index.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js
new file mode 100644
index 00000000..d25be001
--- /dev/null
+++ b/node_modules/qs/lib/parse.js
@@ -0,0 +1,328 @@
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var defaults = {
+    allowDots: false,
+    allowEmptyArrays: false,
+    allowPrototypes: false,
+    allowSparse: false,
+    arrayLimit: 20,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    comma: false,
+    decodeDotInKeys: false,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    duplicates: 'combine',
+    ignoreQueryPrefix: false,
+    interpretNumericEntities: false,
+    parameterLimit: 1000,
+    parseArrays: true,
+    plainObjects: false,
+    strictDepth: false,
+    strictNullHandling: false,
+    throwOnLimitExceeded: false
+};
+
+var interpretNumericEntities = function (str) {
+    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
+        return String.fromCharCode(parseInt(numberStr, 10));
+    });
+};
+
+var parseArrayValue = function (val, options, currentArrayLength) {
+    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
+        return val.split(',');
+    }
+
+    if (options.throwOnLimitExceeded && currentArrayLength >= options.arrayLimit) {
+        throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');
+    }
+
+    return val;
+};
+
+// This is what browsers will submit when the ✓ character occurs in an
+// application/x-www-form-urlencoded body and the encoding of the page containing
+// the form is iso-8859-1, or when the submitted form has an accept-charset
+// attribute of iso-8859-1. Presumably also with other charsets that do not contain
+// the ✓ character, such as us-ascii.
+var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')
+
+// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
+var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = { __proto__: null };
+
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    cleanStr = cleanStr.replace(/%5B/gi, '[').replace(/%5D/gi, ']');
+
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(
+        options.delimiter,
+        options.throwOnLimitExceeded ? limit + 1 : limit
+    );
+
+    if (options.throwOnLimitExceeded && parts.length > limit) {
+        throw new RangeError('Parameter limit exceeded. Only ' + limit + ' parameter' + (limit === 1 ? '' : 's') + ' allowed.');
+    }
+
+    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
+    var i;
+
+    var charset = options.charset;
+    if (options.charsetSentinel) {
+        for (i = 0; i < parts.length; ++i) {
+            if (parts[i].indexOf('utf8=') === 0) {
+                if (parts[i] === charsetSentinel) {
+                    charset = 'utf-8';
+                } else if (parts[i] === isoSentinel) {
+                    charset = 'iso-8859-1';
+                }
+                skipIndex = i;
+                i = parts.length; // The eslint settings do not allow break;
+            }
+        }
+    }
+
+    for (i = 0; i < parts.length; ++i) {
+        if (i === skipIndex) {
+            continue;
+        }
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key;
+        var val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder, charset, 'key');
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
+
+            val = utils.maybeMap(
+                parseArrayValue(
+                    part.slice(pos + 1),
+                    options,
+                    isArray(obj[key]) ? obj[key].length : 0
+                ),
+                function (encodedVal) {
+                    return options.decoder(encodedVal, defaults.decoder, charset, 'value');
+                }
+            );
+        }
+
+        if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
+            val = interpretNumericEntities(String(val));
+        }
+
+        if (part.indexOf('[]=') > -1) {
+            val = isArray(val) ? [val] : val;
+        }
+
+        var existing = has.call(obj, key);
+        if (existing && options.duplicates === 'combine') {
+            obj[key] = utils.combine(obj[key], val);
+        } else if (!existing || options.duplicates === 'last') {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options, valuesParsed) {
+    var currentArrayLength = 0;
+    if (chain.length > 0 && chain[chain.length - 1] === '[]') {
+        var parentKey = chain.slice(0, -1).join('');
+        currentArrayLength = Array.isArray(val) && val[parentKey] ? val[parentKey].length : 0;
+    }
+
+    var leaf = valuesParsed ? val : parseArrayValue(val, options, currentArrayLength);
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = options.allowEmptyArrays && (leaf === '' || (options.strictNullHandling && leaf === null))
+                ? []
+                : utils.combine([], leaf);
+        } else {
+            obj = options.plainObjects ? { __proto__: null } : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var decodedRoot = options.decodeDotInKeys ? cleanRoot.replace(/%2E/g, '.') : cleanRoot;
+            var index = parseInt(decodedRoot, 10);
+            if (!options.parseArrays && decodedRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== decodedRoot
+                && String(index) === decodedRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (decodedRoot !== '__proto__') {
+                obj[decodedRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = options.depth > 0 && brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, check strictDepth option for throw, else just add whatever is left
+
+    if (segment) {
+        if (options.strictDepth === true) {
+            throw new RangeError('Input depth exceeded depth option of ' + options.depth + ' and strictDepth is true');
+        }
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options, valuesParsed);
+};
+
+var normalizeParseOptions = function normalizeParseOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
+        throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
+    }
+
+    if (typeof opts.decodeDotInKeys !== 'undefined' && typeof opts.decodeDotInKeys !== 'boolean') {
+        throw new TypeError('`decodeDotInKeys` option can only be `true` or `false`, when provided');
+    }
+
+    if (opts.decoder !== null && typeof opts.decoder !== 'undefined' && typeof opts.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    if (typeof opts.throwOnLimitExceeded !== 'undefined' && typeof opts.throwOnLimitExceeded !== 'boolean') {
+        throw new TypeError('`throwOnLimitExceeded` option must be a boolean');
+    }
+
+    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
+
+    var duplicates = typeof opts.duplicates === 'undefined' ? defaults.duplicates : opts.duplicates;
+
+    if (duplicates !== 'combine' && duplicates !== 'first' && duplicates !== 'last') {
+        throw new TypeError('The duplicates option must be either combine, first, or last');
+    }
+
+    var allowDots = typeof opts.allowDots === 'undefined' ? opts.decodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
+
+    return {
+        allowDots: allowDots,
+        allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
+        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
+        allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
+        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
+        decodeDotInKeys: typeof opts.decodeDotInKeys === 'boolean' ? opts.decodeDotInKeys : defaults.decodeDotInKeys,
+        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
+        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
+        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
+        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
+        duplicates: duplicates,
+        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
+        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
+        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
+        parseArrays: opts.parseArrays !== false,
+        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
+        strictDepth: typeof opts.strictDepth === 'boolean' ? !!opts.strictDepth : defaults.strictDepth,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling,
+        throwOnLimitExceeded: typeof opts.throwOnLimitExceeded === 'boolean' ? opts.throwOnLimitExceeded : false
+    };
+};
+
+module.exports = function (str, opts) {
+    var options = normalizeParseOptions(opts);
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? { __proto__: null } : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? { __proto__: null } : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    if (options.allowSparse === true) {
+        return obj;
+    }
+
+    return utils.compact(obj);
+};
diff --git a/node_modules/qs/lib/stringify.js b/node_modules/qs/lib/stringify.js
new file mode 100644
index 00000000..2666eaf9
--- /dev/null
+++ b/node_modules/qs/lib/stringify.js
@@ -0,0 +1,356 @@
+'use strict';
+
+var getSideChannel = require('side-channel');
+var utils = require('./utils');
+var formats = require('./formats');
+var has = Object.prototype.hasOwnProperty;
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    comma: 'comma',
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaultFormat = formats['default'];
+var defaults = {
+    addQueryPrefix: false,
+    allowDots: false,
+    allowEmptyArrays: false,
+    arrayFormat: 'indices',
+    charset: 'utf-8',
+    charsetSentinel: false,
+    commaRoundTrip: false,
+    delimiter: '&',
+    encode: true,
+    encodeDotInKeys: false,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    filter: void undefined,
+    format: defaultFormat,
+    formatter: formats.formatters[defaultFormat],
+    // deprecated
+    indices: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
+    return typeof v === 'string'
+        || typeof v === 'number'
+        || typeof v === 'boolean'
+        || typeof v === 'symbol'
+        || typeof v === 'bigint';
+};
+
+var sentinel = {};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    commaRoundTrip,
+    allowEmptyArrays,
+    strictNullHandling,
+    skipNulls,
+    encodeDotInKeys,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    format,
+    formatter,
+    encodeValuesOnly,
+    charset,
+    sideChannel
+) {
+    var obj = object;
+
+    var tmpSc = sideChannel;
+    var step = 0;
+    var findFlag = false;
+    while ((tmpSc = tmpSc.get(sentinel)) !== void undefined && !findFlag) {
+        // Where object last appeared in the ref tree
+        var pos = tmpSc.get(object);
+        step += 1;
+        if (typeof pos !== 'undefined') {
+            if (pos === step) {
+                throw new RangeError('Cyclic object value');
+            } else {
+                findFlag = true; // Break while
+            }
+        }
+        if (typeof tmpSc.get(sentinel) === 'undefined') {
+            step = 0;
+        }
+    }
+
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        obj = utils.maybeMap(obj, function (value) {
+            if (value instanceof Date) {
+                return serializeDate(value);
+            }
+            return value;
+        });
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        // we need to join elements in
+        if (encodeValuesOnly && encoder) {
+            obj = utils.maybeMap(obj, encoder);
+        }
+        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
+    } else if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    var encodedPrefix = encodeDotInKeys ? String(prefix).replace(/\./g, '%2E') : String(prefix);
+
+    var adjustedPrefix = commaRoundTrip && isArray(obj) && obj.length === 1 ? encodedPrefix + '[]' : encodedPrefix;
+
+    if (allowEmptyArrays && isArray(obj) && obj.length === 0) {
+        return adjustedPrefix + '[]';
+    }
+
+    for (var j = 0; j < objKeys.length; ++j) {
+        var key = objKeys[j];
+        var value = typeof key === 'object' && key && typeof key.value !== 'undefined'
+            ? key.value
+            : obj[key];
+
+        if (skipNulls && value === null) {
+            continue;
+        }
+
+        var encodedKey = allowDots && encodeDotInKeys ? String(key).replace(/\./g, '%2E') : String(key);
+        var keyPrefix = isArray(obj)
+            ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(adjustedPrefix, encodedKey) : adjustedPrefix
+            : adjustedPrefix + (allowDots ? '.' + encodedKey : '[' + encodedKey + ']');
+
+        sideChannel.set(object, step);
+        var valueSideChannel = getSideChannel();
+        valueSideChannel.set(sentinel, sideChannel);
+        pushToArray(values, stringify(
+            value,
+            keyPrefix,
+            generateArrayPrefix,
+            commaRoundTrip,
+            allowEmptyArrays,
+            strictNullHandling,
+            skipNulls,
+            encodeDotInKeys,
+            generateArrayPrefix === 'comma' && encodeValuesOnly && isArray(obj) ? null : encoder,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            format,
+            formatter,
+            encodeValuesOnly,
+            charset,
+            valueSideChannel
+        ));
+    }
+
+    return values;
+};
+
+var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
+        throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
+    }
+
+    if (typeof opts.encodeDotInKeys !== 'undefined' && typeof opts.encodeDotInKeys !== 'boolean') {
+        throw new TypeError('`encodeDotInKeys` option can only be `true` or `false`, when provided');
+    }
+
+    if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var charset = opts.charset || defaults.charset;
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    var format = formats['default'];
+    if (typeof opts.format !== 'undefined') {
+        if (!has.call(formats.formatters, opts.format)) {
+            throw new TypeError('Unknown format option provided.');
+        }
+        format = opts.format;
+    }
+    var formatter = formats.formatters[format];
+
+    var filter = defaults.filter;
+    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
+        filter = opts.filter;
+    }
+
+    var arrayFormat;
+    if (opts.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = opts.arrayFormat;
+    } else if ('indices' in opts) {
+        arrayFormat = opts.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = defaults.arrayFormat;
+    }
+
+    if ('commaRoundTrip' in opts && typeof opts.commaRoundTrip !== 'boolean') {
+        throw new TypeError('`commaRoundTrip` must be a boolean, or absent');
+    }
+
+    var allowDots = typeof opts.allowDots === 'undefined' ? opts.encodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
+
+    return {
+        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
+        allowDots: allowDots,
+        allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
+        arrayFormat: arrayFormat,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        commaRoundTrip: !!opts.commaRoundTrip,
+        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
+        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
+        encodeDotInKeys: typeof opts.encodeDotInKeys === 'boolean' ? opts.encodeDotInKeys : defaults.encodeDotInKeys,
+        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
+        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
+        filter: filter,
+        format: format,
+        formatter: formatter,
+        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
+        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
+        sort: typeof opts.sort === 'function' ? opts.sort : null,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = normalizeStringifyOptions(opts);
+
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[options.arrayFormat];
+    var commaRoundTrip = generateArrayPrefix === 'comma' && options.commaRoundTrip;
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (options.sort) {
+        objKeys.sort(options.sort);
+    }
+
+    var sideChannel = getSideChannel();
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+        var value = obj[key];
+
+        if (options.skipNulls && value === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            value,
+            key,
+            generateArrayPrefix,
+            commaRoundTrip,
+            options.allowEmptyArrays,
+            options.strictNullHandling,
+            options.skipNulls,
+            options.encodeDotInKeys,
+            options.encode ? options.encoder : null,
+            options.filter,
+            options.sort,
+            options.allowDots,
+            options.serializeDate,
+            options.format,
+            options.formatter,
+            options.encodeValuesOnly,
+            options.charset,
+            sideChannel
+        ));
+    }
+
+    var joined = keys.join(options.delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    if (options.charsetSentinel) {
+        if (options.charset === 'iso-8859-1') {
+            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
+            prefix += 'utf8=%26%2310003%3B&';
+        } else {
+            // encodeURIComponent('✓')
+            prefix += 'utf8=%E2%9C%93&';
+        }
+    }
+
+    return joined.length > 0 ? prefix + joined : '';
+};
diff --git a/node_modules/qs/lib/utils.js b/node_modules/qs/lib/utils.js
new file mode 100644
index 00000000..2905ff01
--- /dev/null
+++ b/node_modules/qs/lib/utils.js
@@ -0,0 +1,268 @@
+'use strict';
+
+var formats = require('./formats');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    while (queue.length > 1) {
+        var item = queue.pop();
+        var obj = item.obj[item.prop];
+
+        if (isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? { __proto__: null } : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    /* eslint no-param-reassign: 0 */
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object' && typeof source !== 'function') {
+        if (isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if (
+                (options && (options.plainObjects || options.allowPrototypes))
+                || !has.call(Object.prototype, source)
+            ) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (isArray(target) && !isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (isArray(target) && isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str, defaultDecoder, charset) {
+    var strWithoutPlus = str.replace(/\+/g, ' ');
+    if (charset === 'iso-8859-1') {
+        // unescape never throws, no try...catch needed:
+        return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
+    }
+    // utf-8
+    try {
+        return decodeURIComponent(strWithoutPlus);
+    } catch (e) {
+        return strWithoutPlus;
+    }
+};
+
+var limit = 1024;
+
+/* eslint operator-linebreak: [2, "before"] */
+
+var encode = function encode(str, defaultEncoder, charset, kind, format) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = str;
+    if (typeof str === 'symbol') {
+        string = Symbol.prototype.toString.call(str);
+    } else if (typeof str !== 'string') {
+        string = String(str);
+    }
+
+    if (charset === 'iso-8859-1') {
+        return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
+            return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
+        });
+    }
+
+    var out = '';
+    for (var j = 0; j < string.length; j += limit) {
+        var segment = string.length >= limit ? string.slice(j, j + limit) : string;
+        var arr = [];
+
+        for (var i = 0; i < segment.length; ++i) {
+            var c = segment.charCodeAt(i);
+            if (
+                c === 0x2D // -
+                || c === 0x2E // .
+                || c === 0x5F // _
+                || c === 0x7E // ~
+                || (c >= 0x30 && c <= 0x39) // 0-9
+                || (c >= 0x41 && c <= 0x5A) // a-z
+                || (c >= 0x61 && c <= 0x7A) // A-Z
+                || (format === formats.RFC1738 && (c === 0x28 || c === 0x29)) // ( )
+            ) {
+                arr[arr.length] = segment.charAt(i);
+                continue;
+            }
+
+            if (c < 0x80) {
+                arr[arr.length] = hexTable[c];
+                continue;
+            }
+
+            if (c < 0x800) {
+                arr[arr.length] = hexTable[0xC0 | (c >> 6)]
+                    + hexTable[0x80 | (c & 0x3F)];
+                continue;
+            }
+
+            if (c < 0xD800 || c >= 0xE000) {
+                arr[arr.length] = hexTable[0xE0 | (c >> 12)]
+                    + hexTable[0x80 | ((c >> 6) & 0x3F)]
+                    + hexTable[0x80 | (c & 0x3F)];
+                continue;
+            }
+
+            i += 1;
+            c = 0x10000 + (((c & 0x3FF) << 10) | (segment.charCodeAt(i) & 0x3FF));
+
+            arr[arr.length] = hexTable[0xF0 | (c >> 18)]
+                + hexTable[0x80 | ((c >> 12) & 0x3F)]
+                + hexTable[0x80 | ((c >> 6) & 0x3F)]
+                + hexTable[0x80 | (c & 0x3F)];
+        }
+
+        out += arr.join('');
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    compactQueue(queue);
+
+    return value;
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (!obj || typeof obj !== 'object') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+var combine = function combine(a, b) {
+    return [].concat(a, b);
+};
+
+var maybeMap = function maybeMap(val, fn) {
+    if (isArray(val)) {
+        var mapped = [];
+        for (var i = 0; i < val.length; i += 1) {
+            mapped.push(fn(val[i]));
+        }
+        return mapped;
+    }
+    return fn(val);
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    combine: combine,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    maybeMap: maybeMap,
+    merge: merge
+};
diff --git a/node_modules/qs/package.json b/node_modules/qs/package.json
new file mode 100644
index 00000000..e4144d08
--- /dev/null
+++ b/node_modules/qs/package.json
@@ -0,0 +1,93 @@
+{
+    "name": "qs",
+    "description": "A querystring parser that supports nesting and arrays, with a depth limit",
+    "homepage": "https://github.com/ljharb/qs",
+    "version": "6.14.0",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/ljharb/qs.git"
+    },
+    "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+    },
+    "main": "lib/index.js",
+    "sideEffects": false,
+    "contributors": [
+        {
+            "name": "Jordan Harband",
+            "email": "ljharb@gmail.com",
+            "url": "http://ljharb.codes"
+        }
+    ],
+    "keywords": [
+        "querystring",
+        "qs",
+        "query",
+        "url",
+        "parse",
+        "stringify"
+    ],
+    "engines": {
+        "node": ">=0.6"
+    },
+    "dependencies": {
+        "side-channel": "^1.1.0"
+    },
+    "devDependencies": {
+        "@browserify/envify": "^6.0.0",
+        "@browserify/uglifyify": "^6.0.0",
+        "@ljharb/eslint-config": "^21.1.1",
+        "browserify": "^16.5.2",
+        "bundle-collapser": "^1.4.0",
+        "common-shakeify": "~1.0.0",
+        "eclint": "^2.8.1",
+        "es-value-fixtures": "^1.7.0",
+        "eslint": "=8.8.0",
+        "evalmd": "^0.0.19",
+        "for-each": "^0.3.3",
+        "glob": "=10.3.7",
+        "has-bigints": "^1.1.0",
+        "has-override-mistake": "^1.0.1",
+        "has-property-descriptors": "^1.0.2",
+        "has-proto": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "iconv-lite": "^0.5.1",
+        "in-publish": "^2.0.1",
+        "jackspeak": "=2.1.1",
+        "mkdirp": "^0.5.5",
+        "mock-property": "^1.1.0",
+        "module-deps": "^6.2.3",
+        "npmignore": "^0.3.1",
+        "nyc": "^10.3.2",
+        "object-inspect": "^1.13.3",
+        "qs-iconv": "^1.0.4",
+        "safe-publish-latest": "^2.0.0",
+        "safer-buffer": "^2.1.2",
+        "tape": "^5.9.0",
+        "unassertify": "^3.0.1"
+    },
+    "scripts": {
+        "prepack": "npmignore --auto --commentLines=autogenerated && npm run dist",
+        "prepublishOnly": "safe-publish-latest",
+        "prepublish": "not-in-publish || npm run prepublishOnly",
+        "pretest": "npm run --silent readme && npm run --silent lint",
+        "test": "npm run tests-only",
+        "tests-only": "nyc tape 'test/**/*.js'",
+        "posttest": "npx npm@'>=10.2' audit --production",
+        "readme": "evalmd README.md",
+        "postlint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+        "lint": "eslint --ext=js,mjs .",
+        "dist": "mkdirp dist && browserify --standalone Qs -g unassertify -g @browserify/envify -g [@browserify/uglifyify --mangle.keep_fnames --compress.keep_fnames --format.indent_level=1 --compress.arrows=false --compress.passes=4 --compress.typeofs=false] -p common-shakeify -p bundle-collapser/plugin lib/index.js > dist/qs.js"
+    },
+    "license": "BSD-3-Clause",
+    "publishConfig": {
+        "ignore": [
+            "!dist/*",
+            "bower.json",
+            "component.json",
+            ".github/workflows",
+            "logos",
+            "tea.yaml"
+        ]
+    }
+}
diff --git a/node_modules/qs/test/empty-keys-cases.js b/node_modules/qs/test/empty-keys-cases.js
new file mode 100644
index 00000000..2b1190ef
--- /dev/null
+++ b/node_modules/qs/test/empty-keys-cases.js
@@ -0,0 +1,267 @@
+'use strict';
+
+module.exports = {
+    emptyTestCases: [
+        {
+            input: '&',
+            withEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '',
+                indices: '',
+                repeat: ''
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&&',
+            withEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '',
+                indices: '',
+                repeat: ''
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&=',
+            withEmptyKeys: { '': ['', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=',
+                indices: '[0]=&[1]=',
+                repeat: '=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&=&',
+            withEmptyKeys: { '': ['', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=',
+                indices: '[0]=&[1]=',
+                repeat: '=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=',
+            withEmptyKeys: { '': '' },
+            noEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            }
+        },
+        {
+            input: '=&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&&&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&=&=&',
+            withEmptyKeys: { '': ['', '', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=&[]=',
+                indices: '[0]=&[1]=&[2]=',
+                repeat: '=&=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&a[]=b&a[1]=c',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: '=a',
+            withEmptyKeys: { '': 'a' },
+            noEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '=a',
+                indices: '=a',
+                repeat: '=a'
+            }
+        },
+        {
+            input: 'a==a',
+            withEmptyKeys: { a: '=a' },
+            noEmptyKeys: { a: '=a' },
+            stringifyOutput: {
+                brackets: 'a==a',
+                indices: 'a==a',
+                repeat: 'a==a'
+            }
+        },
+        {
+            input: '=&a[]=b',
+            withEmptyKeys: { '': '', a: ['b'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b',
+                indices: '=&a[0]=b',
+                repeat: '=&a=b'
+            },
+            noEmptyKeys: { a: ['b'] }
+        },
+        {
+            input: '=&a[]=b&a[]=c&a[2]=d',
+            withEmptyKeys: { '': '', a: ['b', 'c', 'd'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c&a[]=d',
+                indices: '=&a[0]=b&a[1]=c&a[2]=d',
+                repeat: '=&a=b&a=c&a=d'
+            },
+            noEmptyKeys: { a: ['b', 'c', 'd'] }
+        },
+        {
+            input: '=a&=b',
+            withEmptyKeys: { '': ['a', 'b'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b',
+                indices: '[0]=a&[1]=b',
+                repeat: '=a&=b'
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=a&foo=b',
+            withEmptyKeys: { '': 'a', foo: 'b' },
+            noEmptyKeys: { foo: 'b' },
+            stringifyOutput: {
+                brackets: '=a&foo=b',
+                indices: '=a&foo=b',
+                repeat: '=a&foo=b'
+            }
+        },
+        {
+            input: 'a[]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a[]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a[0]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a=b&a[]=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a=b&a[0]=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: '[]=a&[]=b& []=1',
+            withEmptyKeys: { '': ['a', 'b'], ' ': ['1'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b& []=1',
+                indices: '[0]=a&[1]=b& [0]=1',
+                repeat: '=a&=b& =1'
+            },
+            noEmptyKeys: { 0: 'a', 1: 'b', ' ': ['1'] }
+        },
+        {
+            input: '[0]=a&[1]=b&a[0]=1&a[1]=2',
+            withEmptyKeys: { '': ['a', 'b'], a: ['1', '2'] },
+            noEmptyKeys: { 0: 'a', 1: 'b', a: ['1', '2'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b&a[]=1&a[]=2',
+                indices: '[0]=a&[1]=b&a[0]=1&a[1]=2',
+                repeat: '=a&=b&a=1&a=2'
+            }
+        },
+        {
+            input: '[deep]=a&[deep]=2',
+            withEmptyKeys: { '': { deep: ['a', '2'] }
+            },
+            stringifyOutput: {
+                brackets: '[deep][]=a&[deep][]=2',
+                indices: '[deep][0]=a&[deep][1]=2',
+                repeat: '[deep]=a&[deep]=2'
+            },
+            noEmptyKeys: { deep: ['a', '2'] }
+        },
+        {
+            input: '%5B0%5D=a&%5B1%5D=b',
+            withEmptyKeys: { '': ['a', 'b'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b',
+                indices: '[0]=a&[1]=b',
+                repeat: '=a&=b'
+            },
+            noEmptyKeys: { 0: 'a', 1: 'b' }
+        }
+    ]
+};
diff --git a/node_modules/qs/test/parse.js b/node_modules/qs/test/parse.js
new file mode 100644
index 00000000..32cdfd8e
--- /dev/null
+++ b/node_modules/qs/test/parse.js
@@ -0,0 +1,1276 @@
+'use strict';
+
+var test = require('tape');
+var hasPropertyDescriptors = require('has-property-descriptors')();
+var iconv = require('iconv-lite');
+var mockProperty = require('mock-property');
+var hasOverrideMistake = require('has-override-mistake')();
+var SaferBuffer = require('safer-buffer').Buffer;
+var v = require('es-value-fixtures');
+var inspect = require('object-inspect');
+var emptyTestCases = require('./empty-keys-cases').emptyTestCases;
+var hasProto = require('has-proto')();
+
+var qs = require('../');
+var utils = require('../lib/utils');
+
+test('parse()', function (t) {
+    t.test('parses a simple string', function (st) {
+        st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });
+        st.deepEqual(qs.parse('foo=c++'), { foo: 'c  ' });
+        st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });
+        st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });
+        st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });
+        st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });
+        st.deepEqual(qs.parse('foo'), { foo: '' });
+        st.deepEqual(qs.parse('foo='), { foo: '' });
+        st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });
+        st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });
+        st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });
+        st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });
+        st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });
+        st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });
+        st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });
+        st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {
+            cht: 'p3',
+            chd: 't:60,40',
+            chs: '250x100',
+            chl: 'Hello|World'
+        });
+        st.end();
+    });
+
+    t.test('comma: false', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c'), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('comma: true', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a=c', { comma: true }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('allows enabling dot notation', function (st) {
+        st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });
+        st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });
+
+        st.end();
+    });
+
+    t.test('decode dot keys correctly', function (st) {
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: false, decodeDotInKeys: false }),
+            { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name.obj.first=John&name.obj.last=Doe', { allowDots: true, decodeDotInKeys: false }),
+            { name: { obj: { first: 'John', last: 'Doe' } } },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: false }),
+            { 'name%2Eobj': { first: 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: true }),
+            { 'name.obj': { first: 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys true'
+        );
+
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { allowDots: false, decodeDotInKeys: false }
+            ),
+            { 'name%2Eobj%2Esubobject.first%2Egodly%2Ename': 'John', 'name%2Eobj%2Esubobject.last': 'Doe' },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse(
+                'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',
+                { allowDots: true, decodeDotInKeys: false }
+            ),
+            { name: { obj: { subobject: { first: { godly: { name: 'John' } }, last: 'Doe' } } } },
+            'with allowDots true and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { allowDots: true, decodeDotInKeys: true }
+            ),
+            { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys true'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe'),
+            { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },
+            'with allowDots and decodeDotInKeys undefined'
+        );
+
+        st.end();
+    });
+
+    t.test('decodes dot in key of object, and allow enabling dot notation when decodeDotInKeys is set to true and allowDots is undefined', function (st) {
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { decodeDotInKeys: true }
+            ),
+            { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+            'with allowDots undefined and decodeDotInKeys true'
+        );
+
+        st.end();
+    });
+
+    t.test('throws when decodeDotInKeys is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 0 }); },
+            TypeError
+        );
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allows empty arrays in obj values', function (st) {
+        st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: true }), { foo: [], bar: 'baz' });
+        st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: false }), { foo: [''], bar: 'baz' });
+
+        st.end();
+    });
+
+    t.test('throws when allowEmptyArrays is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 0 }); },
+            TypeError
+        );
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allowEmptyArrays + strictNullHandling', function (st) {
+        st.deepEqual(
+            qs.parse('testEmptyArray[]', { strictNullHandling: true, allowEmptyArrays: true }),
+            { testEmptyArray: [] }
+        );
+
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');
+    t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');
+    t.deepEqual(
+        qs.parse('a[b][c][d][e][f][g][h]=i'),
+        { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },
+        'defaults to a depth of 5'
+    );
+
+    t.test('only parses one level when depth = 1', function (st) {
+        st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });
+        st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });
+        st.end();
+    });
+
+    t.test('uses original key when depth = 0', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: 0 }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: 0 }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.test('uses original key when depth = false', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: false }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: false }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');
+
+    t.test('parses an explicit array', function (st) {
+        st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });
+        st.end();
+    });
+
+    t.test('parses a mix of simple and explicit arrays', function (st) {
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+
+        st.end();
+    });
+
+    t.test('parses a nested array', function (st) {
+        st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });
+        st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });
+        st.end();
+    });
+
+    t.test('allows to specify array indices', function (st) {
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });
+        st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });
+        st.end();
+    });
+
+    t.test('limits specific array indices to arrayLimit', function (st) {
+        st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });
+
+        st.deepEqual(qs.parse('a[20]=a'), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a'), { a: { 21: 'a' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');
+
+    t.test('supports encoded = signs', function (st) {
+        st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });
+        st.end();
+    });
+
+    t.test('is ok with url encoded strings', function (st) {
+        st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });
+        st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });
+        st.end();
+    });
+
+    t.test('allows brackets in the value', function (st) {
+        st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });
+        st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });
+        st.end();
+    });
+
+    t.test('allows empty values', function (st) {
+        st.deepEqual(qs.parse(''), {});
+        st.deepEqual(qs.parse(null), {});
+        st.deepEqual(qs.parse(undefined), {});
+        st.end();
+    });
+
+    t.test('transforms arrays to objects', function (st) {
+        st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb'), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });
+        st.end();
+    });
+
+    t.test('transforms arrays to objects (dot notation)', function (st) {
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });
+        st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].baz[1]=16&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15', '16'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0].a=a&foo[0].b=b&foo[1].a=aa&foo[1].b=bb', { allowDots: true }), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+        st.end();
+    });
+
+    t.test('correctly prunes undefined values when converting an array to an object', function (st) {
+        st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });
+        st.end();
+    });
+
+    t.test('supports malformed uri characters', function (st) {
+        st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });
+        st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });
+        st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });
+        st.end();
+    });
+
+    t.test('doesn\'t produce empty keys', function (st) {
+        st.deepEqual(qs.parse('_r=1&'), { _r: '1' });
+        st.end();
+    });
+
+    t.test('cannot access Object prototype', function (st) {
+        qs.parse('constructor[prototype][bad]=bad');
+        qs.parse('bad[constructor][prototype][bad]=bad');
+        st.equal(typeof Object.prototype.bad, 'undefined');
+        st.end();
+    });
+
+    t.test('parses arrays of objects', function (st) {
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });
+        st.end();
+    });
+
+    t.test('allows for empty strings in arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 20 + array indices: null then empty string works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 0 + array brackets: null then empty string works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 20 + array indices: empty string then null works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 0 + array brackets: empty string then null works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[]=&a[]=b&a[]=c'),
+            { a: ['', 'b', 'c'] },
+            'array brackets: empty strings work'
+        );
+        st.end();
+    });
+
+    t.test('compacts sparse arrays', function (st) {
+        st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.deepEqual(qs.parse('a[4]=1&a[1]=2', { allowSparse: true }), { a: [, '2', , , '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { allowSparse: true }), { a: [, { b: [, , { c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { allowSparse: true }), { a: [, [, , [, , , { c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { allowSparse: true }), { a: [, [, , [, , , { c: [, '1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses semi-parsed strings', function (st) {
+        st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });
+        st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });
+        st.end();
+    });
+
+    t.test('parses buffers correctly', function (st) {
+        var b = SaferBuffer.from('test');
+        st.deepEqual(qs.parse({ a: b }), { a: b });
+        st.end();
+    });
+
+    t.test('parses jquery-param strings', function (st) {
+        // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'
+        var encoded = 'filter%5B0%5D%5B%5D=int1&filter%5B0%5D%5B%5D=%3D&filter%5B0%5D%5B%5D=77&filter%5B%5D=and&filter%5B2%5D%5B%5D=int2&filter%5B2%5D%5B%5D=%3D&filter%5B2%5D%5B%5D=8';
+        var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };
+        st.deepEqual(qs.parse(encoded), expected);
+        st.end();
+    });
+
+    t.test('continues parsing when no parent is found', function (st) {
+        st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });
+        st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });
+        st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });
+        st.end();
+    });
+
+    t.test('does not error when parsing a very long array', function (st) {
+        var str = 'a[]=a';
+        while (Buffer.byteLength(str) < 128 * 1024) {
+            str = str + '&' + str;
+        }
+
+        st.doesNotThrow(function () {
+            qs.parse(str);
+        });
+
+        st.end();
+    });
+
+    t.test('does not throw when a native prototype has an enumerable property', function (st) {
+        st.intercept(Object.prototype, 'crash', { value: '' });
+        st.intercept(Array.prototype, 'crash', { value: '' });
+
+        st.doesNotThrow(qs.parse.bind(null, 'a=b'));
+        st.deepEqual(qs.parse('a=b'), { a: 'b' });
+        st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+
+        st.end();
+    });
+
+    t.test('parses a string with an alternative string delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('parses a string with an alternative RegExp delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not use non-splittable objects as delimiters', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding parameter limit', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });
+        st.end();
+    });
+
+    t.test('allows setting the parameter limit to Infinity', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding array limit', function (st) {
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: 0 }), { a: ['b'] });
+
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: 0 }), { a: { '-1': 'b' } });
+
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: -1 }), { a: { 0: 'b', 1: 'c' } });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });
+
+        st.end();
+    });
+
+    t.test('allows disabling array parsing', function (st) {
+        var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });
+        st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });
+        st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');
+
+        var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });
+        st.deepEqual(emptyBrackets, { a: { 0: 'b' } });
+        st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');
+
+        st.end();
+    });
+
+    t.test('allows for query string prefix', function (st) {
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });
+
+        st.end();
+    });
+
+    t.test('parses an object', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': 3 },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses string with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo=bar,tee', { comma: true }), { foo: ['bar', 'tee'] });
+        st.deepEqual(qs.parse('foo[bar]=coffee,tee', { comma: true }), { foo: { bar: ['coffee', 'tee'] } });
+        st.deepEqual(qs.parse('foo=', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true, strictNullHandling: true }), { foo: null });
+
+        // test cases inversed from from stringify tests
+        st.deepEqual(qs.parse('a[0]=c'), { a: ['c'] });
+        st.deepEqual(qs.parse('a[]=c'), { a: ['c'] });
+        st.deepEqual(qs.parse('a[]=c', { comma: true }), { a: ['c'] });
+
+        st.deepEqual(qs.parse('a[0]=c&a[1]=d'), { a: ['c', 'd'] });
+        st.deepEqual(qs.parse('a[]=c&a[]=d'), { a: ['c', 'd'] });
+        st.deepEqual(qs.parse('a=c,d', { comma: true }), { a: ['c', 'd'] });
+
+        st.end();
+    });
+
+    t.test('parses values with comma as array divider', function (st) {
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: false }), { foo: 'bar,tee' });
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: true }), { foo: ['bar', 'tee'] });
+        st.end();
+    });
+
+    t.test('use number decoder, parses string that has one number with comma option enabled', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (!isNaN(Number(str))) {
+                return parseFloat(str);
+            }
+            return defaultDecoder(str, defaultDecoder, charset, type);
+        };
+
+        st.deepEqual(qs.parse('foo=1', { comma: true, decoder: decoder }), { foo: 1 });
+        st.deepEqual(qs.parse('foo=0', { comma: true, decoder: decoder }), { foo: 0 });
+
+        st.end();
+    });
+
+    t.test('parses brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=', { comma: true }), { foo: [['1', '2', '3'], ''] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
+
+        st.end();
+    });
+
+    t.test('parses url-encoded brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=', { comma: true }), { foo: [['1', '2', '3'], ''] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
+
+        st.end();
+    });
+
+    t.test('parses comma delimited array while having percent-encoded comma treated as normal text', function (st) {
+        st.deepEqual(qs.parse('foo=a%2Cb', { comma: true }), { foo: 'a,b' });
+        st.deepEqual(qs.parse('foo=a%2C%20b,d', { comma: true }), { foo: ['a, b', 'd'] });
+        st.deepEqual(qs.parse('foo=a%2C%20b,c%2C%20d', { comma: true }), { foo: ['a, b', 'c, d'] });
+
+        st.end();
+    });
+
+    t.test('parses an object in dot notation', function (st) {
+        var input = {
+            'user.name': { 'pop[bob]': 3 },
+            'user.email.': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input, { allowDots: true });
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses an object and not child values', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': { test: 3 } },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': { test: 3 } },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var restore = mockProperty(global, 'Buffer', { 'delete': true });
+
+        var result = qs.parse('a=b&c=d');
+
+        restore();
+
+        st.deepEqual(result, { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        var parsed;
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+        st.equal('bar' in parsed.foo, true);
+        st.equal('baz' in parsed.foo, true);
+        st.equal(parsed.foo.bar, 'baz');
+        st.deepEqual(parsed.foo.baz, a);
+        st.end();
+    });
+
+    t.test('does not crash when parsing deep objects', function (st) {
+        var parsed;
+        var str = 'foo';
+
+        for (var i = 0; i < 5000; i++) {
+            str += '[p]';
+        }
+
+        str += '=bar';
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse(str, { depth: 5000 });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+
+        var depth = 0;
+        var ref = parsed.foo;
+        while ((ref = ref.p)) {
+            depth += 1;
+        }
+
+        st.equal(depth, 5000, 'parsed is 5000 properties deep');
+
+        st.end();
+    });
+
+    t.test('parses null objects correctly', { skip: !hasProto }, function (st) {
+        var a = { __proto__: null, b: 'c' };
+
+        st.deepEqual(qs.parse(a), { b: 'c' });
+        var result = qs.parse({ a: a });
+        st.equal('a' in result, true, 'result has "a" property');
+        st.deepEqual(result.a, a);
+        st.end();
+    });
+
+    t.test('parses dates correctly', function (st) {
+        var now = new Date();
+        st.deepEqual(qs.parse({ a: now }), { a: now });
+        st.end();
+    });
+
+    t.test('parses regular expressions correctly', function (st) {
+        var re = /^test$/;
+        st.deepEqual(qs.parse({ a: re }), { a: re });
+        st.end();
+    });
+
+    t.test('does not allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: false }),
+            {},
+            'bare "toString" results in {}'
+        );
+
+        st.end();
+    });
+
+    t.test('can allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: true }),
+            { toString: '' },
+            'bare "toString" results in { toString: "" }'
+        );
+
+        st.end();
+    });
+
+    t.test('does not crash when the global Object prototype is frozen', { skip: !hasPropertyDescriptors || !hasOverrideMistake }, function (st) {
+        // We can't actually freeze the global Object prototype as that will interfere with other tests, and once an object is frozen, it
+        // can't be unfrozen. Instead, we add a new non-writable property to simulate this.
+        st.teardown(mockProperty(Object.prototype, 'frozenProp', { value: 'foo', nonWritable: true, nonEnumerable: true }));
+
+        st['throws'](
+            function () {
+                var obj = {};
+                obj.frozenProp = 'bar';
+            },
+            // node < 6 has a different error message
+            /^TypeError: Cannot assign to read only property 'frozenProp' of (?:object '#<Object>'|#<Object>)/,
+            'regular assignment of an inherited non-writable property throws'
+        );
+
+        var parsed;
+        st.doesNotThrow(
+            function () {
+                parsed = qs.parse('frozenProp', { allowPrototypes: false });
+            },
+            'parsing a nonwritable Object.prototype property does not throw'
+        );
+
+        st.deepEqual(parsed, {}, 'bare "frozenProp" results in {}');
+
+        st.end();
+    });
+
+    t.test('params starting with a closing bracket', function (st) {
+        st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });
+        st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });
+        st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });
+        st.end();
+    });
+
+    t.test('params starting with a starting bracket', function (st) {
+        st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });
+        st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });
+        st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });
+        st.end();
+    });
+
+    t.test('add keys to objects', function (st) {
+        st.deepEqual(
+            qs.parse('a[b]=c&a=d'),
+            { a: { b: 'c', d: true } },
+            'can add keys to objects'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString'),
+            { a: { b: 'c' } },
+            'can not overwrite prototype'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),
+            { a: { b: 'c', toString: true } },
+            'can overwrite prototype with allowPrototypes true'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { plainObjects: true }),
+            { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },
+            'can overwrite prototype with plainObjects true'
+        );
+
+        st.end();
+    });
+
+    t.test('dunder proto is ignored', function (st) {
+        var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';
+        var result = qs.parse(payload, { allowPrototypes: true });
+
+        st.deepEqual(
+            result,
+            {
+                categories: {
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload'
+        );
+
+        var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });
+
+        st.deepEqual(
+            plainResult,
+            {
+                __proto__: null,
+                categories: {
+                    __proto__: null,
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload: plain objects'
+        );
+
+        var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });
+
+        st.notOk(Array.isArray(query.categories), 'is not an array');
+        st.notOk(query.categories instanceof Array, 'is not instanceof an array');
+        st.deepEqual(query.categories, { some: { json: 'toInject' } });
+        st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),
+            {
+                foo: {
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values'
+        );
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),
+            {
+                __proto__: null,
+                foo: {
+                    __proto__: null,
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values: plain objects'
+        );
+
+        st.end();
+    });
+
+    t.test('can return null objects', { skip: !hasProto }, function (st) {
+        var expected = {
+            __proto__: null,
+            a: {
+                __proto__: null,
+                b: 'c',
+                hasOwnProperty: 'd'
+            }
+        };
+        st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);
+        st.deepEqual(qs.parse(null, { plainObjects: true }), { __proto__: null });
+        var expectedArray = {
+            __proto__: null,
+            a: {
+                __proto__: null,
+                0: 'b',
+                c: 'd'
+            }
+        };
+        st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);
+        st.end();
+    });
+
+    t.test('can parse with custom encoding', function (st) {
+        st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {
+            decoder: function (str) {
+                var reg = /%([0-9A-F]{2})/ig;
+                var result = [];
+                var parts = reg.exec(str);
+                while (parts) {
+                    result.push(parseInt(parts[1], 16));
+                    parts = reg.exec(str);
+                }
+                return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));
+            }
+        }), { 県: '大阪府' });
+        st.end();
+    });
+
+    t.test('receives the default decoder as a second argument', function (st) {
+        st.plan(1);
+        qs.parse('a', {
+            decoder: function (str, defaultDecoder) {
+                st.equal(defaultDecoder, utils.decode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong decoder', function (st) {
+        st['throws'](function () {
+            qs.parse({}, { decoder: 'string' });
+        }, new TypeError('Decoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.parse('a[b]=true', options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.parse('a=b', { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('parses an iso-8859-1 string if asked to', function (st) {
+        st.deepEqual(qs.parse('%A2=%BD', { charset: 'iso-8859-1' }), { '¢': '½' });
+        st.end();
+    });
+
+    var urlEncodedCheckmarkInUtf8 = '%E2%9C%93';
+    var urlEncodedOSlashInUtf8 = '%C3%B8';
+    var urlEncodedNumCheckmark = '%26%2310003%3B';
+    var urlEncodedNumSmiley = '%26%239786%3B';
+
+    t.test('prefers an utf-8 charset specified by the utf8 sentinel to a default charset of iso-8859-1', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'iso-8859-1' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('prefers an iso-8859-1 charset specified by the utf8 sentinel to a default charset of utf-8', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('does not require the utf8 sentinel to be defined before the parameters whose decoding it affects', function (st) {
+        st.deepEqual(qs.parse('a=' + urlEncodedOSlashInUtf8 + '&utf8=' + urlEncodedNumCheckmark, { charsetSentinel: true, charset: 'utf-8' }), { a: 'ø' });
+        st.end();
+    });
+
+    t.test('ignores an utf8 sentinel with an unknown value', function (st) {
+        st.deepEqual(qs.parse('utf8=foo&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to utf-8 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to iso-8859-1 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('interprets numeric entities in iso-8859-1 when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1', interpretNumericEntities: true }), { foo: '☺' });
+        st.end();
+    });
+
+    t.test('handles a custom decoder returning `null`, in the `iso-8859-1` charset, when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=&bar=' + urlEncodedNumSmiley, {
+            charset: 'iso-8859-1',
+            decoder: function (str, defaultDecoder, charset) {
+                return str ? defaultDecoder(str, defaultDecoder, charset) : null;
+            },
+            interpretNumericEntities: true
+        }), { foo: null, bar: '☺' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities in iso-8859-1 when `interpretNumericEntities` is absent', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1' }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities when the charset is utf-8, even when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'utf-8', interpretNumericEntities: true }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('interpretNumericEntities with comma:true and iso charset does not crash', function (st) {
+        st.deepEqual(
+            qs.parse('b&a[]=1,' + urlEncodedNumSmiley, { comma: true, charset: 'iso-8859-1', interpretNumericEntities: true }),
+            { b: '', a: ['1,☺'] }
+        );
+
+        st.end();
+    });
+
+    t.test('does not interpret %uXXXX syntax in iso-8859-1 mode', function (st) {
+        st.deepEqual(qs.parse('%u263A=%u263A', { charset: 'iso-8859-1' }), { '%u263A': '%u263A' });
+        st.end();
+    });
+
+    t.test('allows for decoding keys and values differently', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (type === 'key') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.parse('KeY=vAlUe', { decoder: decoder }), { key: 'VALUE' });
+        st.end();
+    });
+
+    t.test('parameter limit tests', function (st) {
+        st.test('does not throw error when within parameter limit', function (sst) {
+            var result = qs.parse('a=1&b=2&c=3', { parameterLimit: 5, throwOnLimitExceeded: true });
+            sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses without errors');
+            sst.end();
+        });
+
+        st.test('throws error when throwOnLimitExceeded is present but not boolean', function (sst) {
+            sst['throws'](
+                function () {
+                    qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: 3, throwOnLimitExceeded: 'true' });
+                },
+                new TypeError('`throwOnLimitExceeded` option must be a boolean'),
+                'throws error when throwOnLimitExceeded is present and not boolean'
+            );
+            sst.end();
+        });
+
+        st.test('throws error when parameter limit exceeded', function (sst) {
+            sst['throws'](
+                function () {
+                    qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: 3, throwOnLimitExceeded: true });
+                },
+                new RangeError('Parameter limit exceeded. Only 3 parameters allowed.'),
+                'throws error when parameter limit is exceeded'
+            );
+            sst.end();
+        });
+
+        st.test('silently truncates when throwOnLimitExceeded is not given', function (sst) {
+            var result = qs.parse('a=1&b=2&c=3&d=4&e=5', { parameterLimit: 3 });
+            sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses and truncates silently');
+            sst.end();
+        });
+
+        st.test('silently truncates when parameter limit exceeded without error', function (sst) {
+            var result = qs.parse('a=1&b=2&c=3&d=4&e=5', { parameterLimit: 3, throwOnLimitExceeded: false });
+            sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses and truncates silently');
+            sst.end();
+        });
+
+        st.test('allows unlimited parameters when parameterLimit set to Infinity', function (sst) {
+            var result = qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: Infinity });
+            sst.deepEqual(result, { a: '1', b: '2', c: '3', d: '4', e: '5', f: '6' }, 'parses all parameters without truncation');
+            sst.end();
+        });
+
+        st.end();
+    });
+
+    t.test('array limit tests', function (st) {
+        st.test('does not throw error when array is within limit', function (sst) {
+            var result = qs.parse('a[]=1&a[]=2&a[]=3', { arrayLimit: 5, throwOnLimitExceeded: true });
+            sst.deepEqual(result, { a: ['1', '2', '3'] }, 'parses array without errors');
+            sst.end();
+        });
+
+        st.test('throws error when throwOnLimitExceeded is present but not boolean for array limit', function (sst) {
+            sst['throws'](
+                function () {
+                    qs.parse('a[]=1&a[]=2&a[]=3&a[]=4', { arrayLimit: 3, throwOnLimitExceeded: 'true' });
+                },
+                new TypeError('`throwOnLimitExceeded` option must be a boolean'),
+                'throws error when throwOnLimitExceeded is present and not boolean for array limit'
+            );
+            sst.end();
+        });
+
+        st.test('throws error when array limit exceeded', function (sst) {
+            sst['throws'](
+                function () {
+                    qs.parse('a[]=1&a[]=2&a[]=3&a[]=4', { arrayLimit: 3, throwOnLimitExceeded: true });
+                },
+                new RangeError('Array limit exceeded. Only 3 elements allowed in an array.'),
+                'throws error when array limit is exceeded'
+            );
+            sst.end();
+        });
+
+        st.test('converts array to object if length is greater than limit', function (sst) {
+            var result = qs.parse('a[1]=1&a[2]=2&a[3]=3&a[4]=4&a[5]=5&a[6]=6', { arrayLimit: 5 });
+
+            sst.deepEqual(result, { a: { 1: '1', 2: '2', 3: '3', 4: '4', 5: '5', 6: '6' } }, 'parses into object if array length is greater than limit');
+            sst.end();
+        });
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('parses empty keys', function (t) {
+    emptyTestCases.forEach(function (testCase) {
+        t.test('skips empty string key with ' + testCase.input, function (st) {
+            st.deepEqual(qs.parse(testCase.input), testCase.noEmptyKeys);
+
+            st.end();
+        });
+    });
+});
+
+test('`duplicates` option', function (t) {
+    v.nonStrings.concat('not a valid option').forEach(function (invalidOption) {
+        if (typeof invalidOption !== 'undefined') {
+            t['throws'](
+                function () { qs.parse('', { duplicates: invalidOption }); },
+                TypeError,
+                'throws on invalid option: ' + inspect(invalidOption)
+            );
+        }
+    });
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz'),
+        { foo: ['bar', 'baz'] },
+        'duplicates: default, combine'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'combine' }),
+        { foo: ['bar', 'baz'] },
+        'duplicates: combine'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'first' }),
+        { foo: 'bar' },
+        'duplicates: first'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'last' }),
+        { foo: 'baz' },
+        'duplicates: last'
+    );
+
+    t.end();
+});
+
+test('qs strictDepth option - throw cases', function (t) {
+    t.test('throws an exception when depth exceeds the limit with strictDepth: true', function (st) {
+        st['throws'](
+            function () {
+                qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1, strictDepth: true });
+            },
+            RangeError,
+            'throws RangeError'
+        );
+        st.end();
+    });
+
+    t.test('throws an exception for multiple nested arrays with strictDepth: true', function (st) {
+        st['throws'](
+            function () {
+                qs.parse('a[0][1][2][3][4]=b', { depth: 3, strictDepth: true });
+            },
+            RangeError,
+            'throws RangeError'
+        );
+        st.end();
+    });
+
+    t.test('throws an exception for nested objects and arrays with strictDepth: true', function (st) {
+        st['throws'](
+            function () {
+                qs.parse('a[b][c][0][d][e]=f', { depth: 3, strictDepth: true });
+            },
+            RangeError,
+            'throws RangeError'
+        );
+        st.end();
+    });
+
+    t.test('throws an exception for different types of values with strictDepth: true', function (st) {
+        st['throws'](
+            function () {
+                qs.parse('a[b][c][d][e]=true&a[b][c][d][f]=42', { depth: 3, strictDepth: true });
+            },
+            RangeError,
+            'throws RangeError'
+        );
+        st.end();
+    });
+
+});
+
+test('qs strictDepth option - non-throw cases', function (t) {
+    t.test('when depth is 0 and strictDepth true, do not throw', function (st) {
+        st.doesNotThrow(
+            function () {
+                qs.parse('a[b][c][d][e]=true&a[b][c][d][f]=42', { depth: 0, strictDepth: true });
+            },
+            RangeError,
+            'does not throw RangeError'
+        );
+        st.end();
+    });
+
+    t.test('parses successfully when depth is within the limit with strictDepth: true', function (st) {
+        st.doesNotThrow(
+            function () {
+                var result = qs.parse('a[b]=c', { depth: 1, strictDepth: true });
+                st.deepEqual(result, { a: { b: 'c' } }, 'parses correctly');
+            }
+        );
+        st.end();
+    });
+
+    t.test('does not throw an exception when depth exceeds the limit with strictDepth: false', function (st) {
+        st.doesNotThrow(
+            function () {
+                var result = qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
+                st.deepEqual(result, { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } }, 'parses with depth limit');
+            }
+        );
+        st.end();
+    });
+
+    t.test('parses successfully when depth is within the limit with strictDepth: false', function (st) {
+        st.doesNotThrow(
+            function () {
+                var result = qs.parse('a[b]=c', { depth: 1 });
+                st.deepEqual(result, { a: { b: 'c' } }, 'parses correctly');
+            }
+        );
+        st.end();
+    });
+
+    t.test('does not throw when depth is exactly at the limit with strictDepth: true', function (st) {
+        st.doesNotThrow(
+            function () {
+                var result = qs.parse('a[b][c]=d', { depth: 2, strictDepth: true });
+                st.deepEqual(result, { a: { b: { c: 'd' } } }, 'parses correctly');
+            }
+        );
+        st.end();
+    });
+});
diff --git a/node_modules/qs/test/stringify.js b/node_modules/qs/test/stringify.js
new file mode 100644
index 00000000..72531441
--- /dev/null
+++ b/node_modules/qs/test/stringify.js
@@ -0,0 +1,1306 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+var hasSymbols = require('has-symbols');
+var mockProperty = require('mock-property');
+var emptyTestCases = require('./empty-keys-cases').emptyTestCases;
+var hasProto = require('has-proto')();
+var hasBigInt = require('has-bigints')();
+
+test('stringify()', function (t) {
+    t.test('stringifies a querystring object', function (st) {
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }), 'a=1');
+        st.equal(qs.stringify({ a: 1, b: 2 }), 'a=1&b=2');
+        st.equal(qs.stringify({ a: 'A_Z' }), 'a=A_Z');
+        st.equal(qs.stringify({ a: '€' }), 'a=%E2%82%AC');
+        st.equal(qs.stringify({ a: '' }), 'a=%EE%80%80');
+        st.equal(qs.stringify({ a: 'א' }), 'a=%D7%90');
+        st.equal(qs.stringify({ a: '𐐷' }), 'a=%F0%90%90%B7');
+        st.end();
+    });
+
+    t.test('stringifies falsy values', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(null, { strictNullHandling: true }), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(0), '');
+        st.end();
+    });
+
+    t.test('stringifies symbols', { skip: !hasSymbols() }, function (st) {
+        st.equal(qs.stringify(Symbol.iterator), '');
+        st.equal(qs.stringify([Symbol.iterator]), '0=Symbol%28Symbol.iterator%29');
+        st.equal(qs.stringify({ a: Symbol.iterator }), 'a=Symbol%28Symbol.iterator%29');
+        st.equal(
+            qs.stringify({ a: [Symbol.iterator] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=Symbol%28Symbol.iterator%29'
+        );
+        st.end();
+    });
+
+    t.test('stringifies bigints', { skip: !hasBigInt }, function (st) {
+        var three = BigInt(3);
+        var encodeWithN = function (value, defaultEncoder, charset) {
+            var result = defaultEncoder(value, defaultEncoder, charset);
+            return typeof value === 'bigint' ? result + 'n' : result;
+        };
+        st.equal(qs.stringify(three), '');
+        st.equal(qs.stringify([three]), '0=3');
+        st.equal(qs.stringify([three], { encoder: encodeWithN }), '0=3n');
+        st.equal(qs.stringify({ a: three }), 'a=3');
+        st.equal(qs.stringify({ a: three }, { encoder: encodeWithN }), 'a=3n');
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=3'
+        );
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, encoder: encodeWithN, arrayFormat: 'brackets' }),
+            'a[]=3n'
+        );
+        st.end();
+    });
+
+    t.test('encodes dot in key of object when encodeDotInKeys and allowDots is provided', function (st) {
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: false }
+            ),
+            'name.obj%5Bfirst%5D=John&name.obj%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: false }
+            ),
+            'name.obj.first=John&name.obj.last=Doe',
+            'with allowDots true and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%5Bfirst%5D=John&name%252Eobj%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys true'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: true }
+            ),
+            'name%252Eobj.first=John&name%252Eobj.last=Doe',
+            'with allowDots true and encodeDotInKeys true'
+        );
+
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: false }
+            ),
+            'name.obj.subobject%5Bfirst.godly.name%5D=John&name.obj.subobject%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: false }
+            ),
+            'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject%5Bfirst.godly.name%5D=John&name%252Eobj%252Esubobject%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys true'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+            'with allowDots true and encodeDotInKeys true'
+        );
+
+        st.end();
+    });
+
+    t.test('should encode dot in key of object, and automatically set allowDots to `true` when encodeDotInKeys is true and allowDots in undefined', function (st) {
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+            'with allowDots undefined and encodeDotInKeys true'
+        );
+        st.end();
+    });
+
+    t.test('should encode dot in key of object when encodeDotInKeys and allowDots is provided, and nothing else when encodeValuesOnly is provided', function (st) {
+        st.equal(
+            qs.stringify({ 'name.obj': { first: 'John', last: 'Doe' } }, {
+                encodeDotInKeys: true, allowDots: true, encodeValuesOnly: true
+            }),
+            'name%2Eobj.first=John&name%2Eobj.last=Doe'
+        );
+
+        st.equal(
+            qs.stringify({ 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } }, { allowDots: true, encodeDotInKeys: true, encodeValuesOnly: true }),
+            'name%2Eobj%2Esubobject.first%2Egodly%2Ename=John&name%2Eobj%2Esubobject.last=Doe'
+        );
+
+        st.end();
+    });
+
+    t.test('throws when `commaRoundTrip` is not a boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({}, { commaRoundTrip: 'not a boolean' }); },
+            TypeError,
+            'throws when `commaRoundTrip` is not a boolean'
+        );
+
+        st.end();
+    });
+
+    t.test('throws when `encodeDotInKeys` is not a boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 0 }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('adds query prefix', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { addQueryPrefix: true }), '?a=b');
+        st.end();
+    });
+
+    t.test('with query prefix, outputs blank string given an empty object', function (st) {
+        st.equal(qs.stringify({}, { addQueryPrefix: true }), '');
+        st.end();
+    });
+
+    t.test('stringifies nested falsy values', function (st) {
+        st.equal(qs.stringify({ a: { b: { c: null } } }), 'a%5Bb%5D%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: { c: null } } }, { strictNullHandling: true }), 'a%5Bb%5D%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: { c: false } } }), 'a%5Bb%5D%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies a nested object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }), 'a%5Bb%5D%5Bc%5D%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('`allowDots` option: stringifies a nested object with dots notation', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }, { allowDots: true }), 'a.b=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }, { allowDots: true }), 'a.b.c.d=e');
+        st.end();
+    });
+
+    t.test('stringifies an array value', function (st) {
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D=b&a%5B%5D=c&a%5B%5D=d',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma' }),
+            'a=b%2Cc%2Cd',
+            'comma => comma'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma', commaRoundTrip: true }),
+            'a=b%2Cc%2Cd',
+            'comma round trip => comma'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'default => indices'
+        );
+        st.end();
+    });
+
+    t.test('`skipNulls` option', function (st) {
+        st.equal(
+            qs.stringify({ a: 'b', c: null }, { skipNulls: true }),
+            'a=b',
+            'omits nulls when asked'
+        );
+
+        st.equal(
+            qs.stringify({ a: { b: 'c', d: null } }, { skipNulls: true }),
+            'a%5Bb%5D=c',
+            'omits nested nulls when asked'
+        );
+
+        st.end();
+    });
+
+    t.test('omits array indices when asked', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false }), 'a=b&a=c&a=d');
+
+        st.end();
+    });
+
+    t.test('omits object key/value pair when value is empty array', function (st) {
+        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
+
+        st.end();
+    });
+
+    t.test('should not omit object key/value pair when value is empty array and when asked', function (st) {
+        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
+        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: false }), 'b=zz');
+        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: true }), 'a[]&b=zz');
+
+        st.end();
+    });
+
+    t.test('should throw when allowEmptyArrays is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 0 }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allowEmptyArrays + strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { testEmptyArray: [] },
+                { strictNullHandling: true, allowEmptyArrays: true }
+            ),
+            'testEmptyArray[]'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array value with one item vs multiple items', function (st) {
+        st.test('non-array item', function (s2t) {
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true }), 'a=c');
+
+            s2t.end();
+        });
+
+        st.test('array with a single item', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a[]=c'); // so it parses back as an array
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true }), 'a[0]=c');
+
+            s2t.end();
+        });
+
+        st.test('array with multiple items', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c&a[1]=d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c&a[]=d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c,d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c,d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true }), 'a[0]=c&a[1]=d');
+
+            s2t.end();
+        });
+
+        st.test('array with multiple items with a comma inside', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c%2Cd,e');
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma' }), 'a=c%2Cd%2Ce');
+
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd,e');
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd%2Ce');
+
+            s2t.end();
+        });
+
+        st.end();
+    });
+
+    t.test('stringifies a nested array value', function (st) {
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[b][0]=c&a[b][1]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[b][]=c&a[b][]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a[b]=c,d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true }), 'a[b][0]=c&a[b][1]=d');
+        st.end();
+    });
+
+    t.test('stringifies comma and empty array values', function (st) {
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'indices' }), 'a[0]=,&a[1]=&a[2]=c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'brackets' }), 'a[]=,&a[]=&a[]=c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'comma' }), 'a=,,,c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'repeat' }), 'a=,&a=&a=c,d%');
+
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=%2C&a[1]=&a[2]=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=%2C&a[]=&a[]=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C,,c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
+
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a%5B0%5D=%2C&a%5B1%5D=&a%5B2%5D=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a%5B%5D=%2C&a%5B%5D=&a%5B%5D=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C%2C%2Cc%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
+
+        st.end();
+    });
+
+    t.test('stringifies comma and empty non-array values', function (st) {
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'indices' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'brackets' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'comma' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'repeat' }), 'a=,&b=&c=c,d%');
+
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
+
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
+
+        st.end();
+    });
+
+    t.test('stringifies a nested array value with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'indices' }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'indices: stringifies with dots + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'brackets' }
+            ),
+            'a.b[]=c&a.b[]=d',
+            'brackets: stringifies with dots + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'comma' }
+            ),
+            'a.b=c,d',
+            'comma: stringifies with dots + comma'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'default: stringifies with dots + indices'
+        );
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
+            'a[0][b]=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
+            'a[b]=c',
+            'repeat => repeat'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
+            'a[][b]=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { encodeValuesOnly: true }),
+            'a[0][b]=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
+            'a[0][b][c][0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
+            'a[b][c]=1',
+            'repeat => repeat'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
+            'a[][b][c][]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { encodeValuesOnly: true }),
+            'a[0][b][c][0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array with mixed objects and primitives', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[][b]=1&a[]=2&a[]=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'comma' }),
+            '???',
+            'brackets => brackets',
+            { skip: 'TODO: figure out what this should do' }
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b.c[0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b.c[]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b.c[0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('does not omit object keys when indices = false', function (st) {
+        st.equal(qs.stringify({ a: [{ b: 'c' }] }, { indices: false }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when indices=true', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { indices: true }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat is specified', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when arrayFormat=indices', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses repeat notation for arrays when arrayFormat=repeat', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' }), 'a=b&a=c');
+        st.end();
+    });
+
+    t.test('uses brackets notation for arrays when arrayFormat=brackets', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' }), 'a%5B%5D=b&a%5B%5D=c');
+        st.end();
+    });
+
+    t.test('stringifies a complicated object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: 'e' } }), 'a%5Bb%5D=c&a%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies an empty value', function (st) {
+        st.equal(qs.stringify({ a: '' }), 'a=');
+        st.equal(qs.stringify({ a: null }, { strictNullHandling: true }), 'a');
+
+        st.equal(qs.stringify({ a: '', b: '' }), 'a=&b=');
+        st.equal(qs.stringify({ a: null, b: '' }, { strictNullHandling: true }), 'a&b=');
+
+        st.equal(qs.stringify({ a: { b: '' } }), 'a%5Bb%5D=');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: true }), 'a%5Bb%5D');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: false }), 'a%5Bb%5D=');
+
+        st.end();
+    });
+
+    t.test('stringifies an empty array in different arrayFormat', function (st) {
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false }), 'b[0]=&c=c');
+        // arrayFormat default
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices' }), 'b[0]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets' }), 'b[]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat' }), 'b=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma' }), 'b=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', commaRoundTrip: true }), 'b[]=&c=c');
+        // with strictNullHandling
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', strictNullHandling: true }), 'b[0]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', strictNullHandling: true }), 'b[]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', strictNullHandling: true }), 'b&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true }), 'b&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true, commaRoundTrip: true }), 'b[]&c=c');
+        // with skipNulls
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', skipNulls: true }), 'c=c');
+
+        st.end();
+    });
+
+    t.test('stringifies a null object', { skip: !hasProto }, function (st) {
+        st.equal(qs.stringify({ __proto__: null, a: 'b' }), 'a=b');
+        st.end();
+    });
+
+    t.test('returns an empty string for invalid input', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(''), '');
+        st.end();
+    });
+
+    t.test('stringifies an object with a null object as a child', { skip: !hasProto }, function (st) {
+        st.equal(qs.stringify({ a: { __proto__: null, b: 'c' } }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('drops keys with a value of undefined', function (st) {
+        st.equal(qs.stringify({ a: undefined }), '');
+
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: true }), 'a%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: false }), 'a%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: undefined, c: '' } }), 'a%5Bc%5D=');
+        st.end();
+    });
+
+    t.test('url encodes values', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.end();
+    });
+
+    t.test('stringifies a date', function (st) {
+        var now = new Date();
+        var str = 'a=' + encodeURIComponent(now.toISOString());
+        st.equal(qs.stringify({ a: now }), str);
+        st.end();
+    });
+
+    t.test('stringifies the weird object from qs', function (st) {
+        st.equal(qs.stringify({ 'my weird field': '~q1!2"\'w$5&7/z8)?' }), 'my%20weird%20field=~q1%212%22%27w%245%267%2Fz8%29%3F');
+        st.end();
+    });
+
+    t.test('skips properties that are part of the object prototype', function (st) {
+        st.intercept(Object.prototype, 'crash', { value: 'test' });
+
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+
+        st.end();
+    });
+
+    t.test('stringifies boolean values', function (st) {
+        st.equal(qs.stringify({ a: true }), 'a=true');
+        st.equal(qs.stringify({ a: { b: true } }), 'a%5Bb%5D=true');
+        st.equal(qs.stringify({ b: false }), 'b=false');
+        st.equal(qs.stringify({ b: { c: false } }), 'b%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies buffer values', function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from('test') }), 'a=test');
+        st.equal(qs.stringify({ a: { b: SaferBuffer.from('test') } }), 'a%5Bb%5D=test');
+        st.end();
+    });
+
+    t.test('stringifies an object using an alternative delimiter', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var restore = mockProperty(global, 'Buffer', { 'delete': true });
+
+        var result = qs.stringify({ a: 'b', c: 'd' });
+
+        restore();
+
+        st.equal(result, 'a=b&c=d');
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        st['throws'](
+            function () { qs.stringify({ 'foo[bar]': 'baz', 'foo[baz]': a }); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var circular = {
+            a: 'value'
+        };
+        circular.a = circular;
+        st['throws'](
+            function () { qs.stringify(circular); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var arr = ['a'];
+        st.doesNotThrow(
+            function () { qs.stringify({ x: arr, y: arr }); },
+            'non-cyclic values do not throw'
+        );
+
+        st.end();
+    });
+
+    t.test('non-circular duplicated references can still work', function (st) {
+        var hourOfDay = {
+            'function': 'hour_of_day'
+        };
+
+        var p1 = {
+            'function': 'gte',
+            arguments: [hourOfDay, 0]
+        };
+        var p2 = {
+            'function': 'lte',
+            arguments: [hourOfDay, 23]
+        };
+
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
+            'filters[$and][0][function]=gte&filters[$and][0][arguments][0][function]=hour_of_day&filters[$and][0][arguments][1]=0&filters[$and][1][function]=lte&filters[$and][1][arguments][0][function]=hour_of_day&filters[$and][1][arguments][1]=23'
+        );
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'filters[$and][][function]=gte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=0&filters[$and][][function]=lte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=23'
+        );
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'repeat' }),
+            'filters[$and][function]=gte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=0&filters[$and][function]=lte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=23'
+        );
+
+        st.end();
+    });
+
+    t.test('selects properties when filter=array', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { filter: ['a'] }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }, { filter: [] }), '');
+
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'indices' }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'brackets' }
+            ),
+            'a%5Bb%5D%5B%5D=1&a%5Bb%5D%5B%5D=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2] }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('supports custom representations when filter=function', function (st) {
+        var calls = 0;
+        var obj = { a: 'b', c: 'd', e: { f: new Date(1257894000000) } };
+        var filterFunc = function (prefix, value) {
+            calls += 1;
+            if (calls === 1) {
+                st.equal(prefix, '', 'prefix is empty');
+                st.equal(value, obj);
+            } else if (prefix === 'c') {
+                return void 0;
+            } else if (value instanceof Date) {
+                st.equal(prefix, 'e[f]');
+                return value.getTime();
+            }
+            return value;
+        };
+
+        st.equal(qs.stringify(obj, { filter: filterFunc }), 'a=b&e%5Bf%5D=1257894000000');
+        st.equal(calls, 5);
+        st.end();
+    });
+
+    t.test('can disable uri encoding', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { encode: false }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }, { encode: false }), 'a[b]=c');
+        st.equal(qs.stringify({ a: 'b', c: null }, { strictNullHandling: true, encode: false }), 'a=b&c');
+        st.end();
+    });
+
+    t.test('can sort the keys', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(qs.stringify({ a: 'c', z: 'y', b: 'f' }, { sort: sort }), 'a=c&b=f&z=y');
+        st.equal(qs.stringify({ a: 'c', z: { j: 'a', i: 'b' }, b: 'f' }, { sort: sort }), 'a=c&b=f&z%5Bi%5D=b&z%5Bj%5D=a');
+        st.end();
+    });
+
+    t.test('can sort the keys at depth 3 or more too', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: sort, encode: false }
+            ),
+            'a=a&b=b&z[zi][zia]=zia&z[zi][zib]=zib&z[zj][zja]=zja&z[zj][zjb]=zjb'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: null, encode: false }
+            ),
+            'a=a&z[zj][zjb]=zjb&z[zj][zja]=zja&z[zi][zib]=zib&z[zi][zia]=zia&b=b'
+        );
+        st.end();
+    });
+
+    t.test('can stringify with custom encoding', function (st) {
+        st.equal(qs.stringify({ 県: '大阪府', '': '' }, {
+            encoder: function (str) {
+                if (str.length === 0) {
+                    return '';
+                }
+                var buf = iconv.encode(str, 'shiftjis');
+                var result = [];
+                for (var i = 0; i < buf.length; ++i) {
+                    result.push(buf.readUInt8(i).toString(16));
+                }
+                return '%' + result.join('%');
+            }
+        }), '%8c%a7=%91%e5%8d%e3%95%7b&=');
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(8);
+
+        qs.stringify({ a: 1, b: new Date(), c: true, d: [1] }, {
+            encoder: function (str) {
+                st.match(typeof str, /^(?:string|number|boolean)$/);
+                return '';
+            }
+        });
+
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(2);
+
+        qs.stringify({ a: 1 }, {
+            encoder: function (str, defaultEncoder) {
+                st.equal(defaultEncoder, utils.encode);
+            }
+        });
+
+        st.end();
+    });
+
+    t.test('throws error with wrong encoder', function (st) {
+        st['throws'](function () {
+            qs.stringify({}, { encoder: 'string' });
+        }, new TypeError('Encoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('can use custom encoder for a buffer object', { skip: typeof Buffer === 'undefined' }, function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from([1]) }, {
+            encoder: function (buffer) {
+                if (typeof buffer === 'string') {
+                    return buffer;
+                }
+                return String.fromCharCode(buffer.readUInt8(0) + 97);
+            }
+        }), 'a=b');
+
+        st.equal(qs.stringify({ a: SaferBuffer.from('a b') }, {
+            encoder: function (buffer) {
+                return buffer;
+            }
+        }), 'a=a b');
+        st.end();
+    });
+
+    t.test('serializeDate option', function (st) {
+        var date = new Date();
+        st.equal(
+            qs.stringify({ a: date }),
+            'a=' + date.toISOString().replace(/:/g, '%3A'),
+            'default is toISOString'
+        );
+
+        var mutatedDate = new Date();
+        mutatedDate.toISOString = function () {
+            throw new SyntaxError();
+        };
+        st['throws'](function () {
+            mutatedDate.toISOString();
+        }, SyntaxError);
+        st.equal(
+            qs.stringify({ a: mutatedDate }),
+            'a=' + Date.prototype.toISOString.call(mutatedDate).replace(/:/g, '%3A'),
+            'toISOString works even when method is not locally present'
+        );
+
+        var specificDate = new Date(6);
+        st.equal(
+            qs.stringify(
+                { a: specificDate },
+                { serializeDate: function (d) { return d.getTime() * 7; } }
+            ),
+            'a=42',
+            'custom serializeDate function called'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [date] },
+                {
+                    serializeDate: function (d) { return d.getTime(); },
+                    arrayFormat: 'comma'
+                }
+            ),
+            'a=' + date.getTime(),
+            'works with arrayFormat comma'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [date] },
+                {
+                    serializeDate: function (d) { return d.getTime(); },
+                    arrayFormat: 'comma',
+                    commaRoundTrip: true
+                }
+            ),
+            'a%5B%5D=' + date.getTime(),
+            'works with arrayFormat comma'
+        );
+
+        st.end();
+    });
+
+    t.test('RFC 1738 serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC1738 }), 'a=b+c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC1738 }), 'a+b=c+d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC1738 }), 'a+b=a+b');
+
+        st.equal(qs.stringify({ 'foo(ref)': 'bar' }, { format: qs.formats.RFC1738 }), 'foo(ref)=bar');
+
+        st.end();
+    });
+
+    t.test('RFC 3986 spaces serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC3986 }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC3986 }), 'a%20b=c%20d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC3986 }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Backward compatibility to RFC 3986', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Edge cases and unknown formats', function (st) {
+        ['UFO1234', false, 1234, null, {}, []].forEach(function (format) {
+            st['throws'](
+                function () {
+                    qs.stringify({ a: 'b c' }, { format: format });
+                },
+                new TypeError('Unknown format option provided.')
+            );
+        });
+        st.end();
+    });
+
+    t.test('encodeValuesOnly', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'indices' }
+            ),
+            'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h',
+            'encodeValuesOnly + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'brackets' }
+            ),
+            'a=b&c[]=d&c[]=e%3Df&f[][]=g&f[][]=h',
+            'encodeValuesOnly + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'repeat' }
+            ),
+            'a=b&c=d&c=e%3Df&f=g&f=h',
+            'encodeValuesOnly + repeat'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'indices' }
+            ),
+            'a=b&c%5B0%5D=d&c%5B1%5D=e&f%5B0%5D%5B0%5D=g&f%5B1%5D%5B0%5D=h',
+            'no encodeValuesOnly + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'brackets' }
+            ),
+            'a=b&c%5B%5D=d&c%5B%5D=e&f%5B%5D%5B%5D=g&f%5B%5D%5B%5D=h',
+            'no encodeValuesOnly + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'repeat' }
+            ),
+            'a=b&c=d&c=e&f=g&f=h',
+            'no encodeValuesOnly + repeat'
+        );
+
+        st.end();
+    });
+
+    t.test('encodeValuesOnly - strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: null } },
+                { encodeValuesOnly: true, strictNullHandling: true }
+            ),
+            'a[b]'
+        );
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.stringify({ a: 'b' }, { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('respects a charset of iso-8859-1', function (st) {
+        st.equal(qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' }), '%E6=%E6');
+        st.end();
+    });
+
+    t.test('encodes unrepresentable chars as numeric entities in iso-8859-1 mode', function (st) {
+        st.equal(qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' }), 'a=%26%239786%3B');
+        st.end();
+    });
+
+    t.test('respects an explicit charset of utf-8 (the default)', function (st) {
+        st.equal(qs.stringify({ a: 'æ' }, { charset: 'utf-8' }), 'a=%C3%A6');
+        st.end();
+    });
+
+    t.test('`charsetSentinel` option', function (st) {
+        st.equal(
+            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'utf-8' }),
+            'utf8=%E2%9C%93&a=%C3%A6',
+            'adds the right sentinel when instructed to and the charset is utf-8'
+        );
+
+        st.equal(
+            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' }),
+            'utf8=%26%2310003%3B&a=%E6',
+            'adds the right sentinel when instructed to and the charset is iso-8859-1'
+        );
+
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.stringify({}, options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('strictNullHandling works with custom filter', function (st) {
+        var filter = function (prefix, value) {
+            return value;
+        };
+
+        var options = { strictNullHandling: true, filter: filter };
+        st.equal(qs.stringify({ key: null }, options), 'key');
+        st.end();
+    });
+
+    t.test('strictNullHandling works with null serializeDate', function (st) {
+        var serializeDate = function () {
+            return null;
+        };
+        var options = { strictNullHandling: true, serializeDate: serializeDate };
+        var date = new Date();
+        st.equal(qs.stringify({ key: date }, options), 'key');
+        st.end();
+    });
+
+    t.test('allows for encoding keys and values differently', function (st) {
+        var encoder = function (str, defaultEncoder, charset, type) {
+            if (type === 'key') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.stringify({ KeY: 'vAlUe' }, { encoder: encoder }), 'key=VALUE');
+        st.end();
+    });
+
+    t.test('objects inside arrays', function (st) {
+        var obj = { a: { b: { c: 'd', e: 'f' } } };
+        var withArray = { a: { b: [{ c: 'd', e: 'f' }] } };
+
+        st.equal(qs.stringify(obj, { encode: false }), 'a[b][c]=d&a[b][e]=f', 'no array, no arrayFormat');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'brackets' }), 'a[b][c]=d&a[b][e]=f', 'no array, bracket');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'indices' }), 'a[b][c]=d&a[b][e]=f', 'no array, indices');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'no array, repeat');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'comma' }), 'a[b][c]=d&a[b][e]=f', 'no array, comma');
+
+        st.equal(qs.stringify(withArray, { encode: false }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, no arrayFormat');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'brackets' }), 'a[b][][c]=d&a[b][][e]=f', 'array, bracket');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'indices' }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, indices');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'array, repeat');
+        st.equal(
+            qs.stringify(withArray, { encode: false, arrayFormat: 'comma' }),
+            '???',
+            'array, comma',
+            { skip: 'TODO: figure out what this should do' }
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1]=2&a[4]=1');
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=2&a[]=1');
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=2&a=1');
+
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][b][2][c]=1');
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][b][][c]=1');
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[b][c]=1');
+
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
+
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c][1]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c][]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
+
+        st.end();
+    });
+
+    t.test('encodes a very long string', function (st) {
+        var chars = [];
+        var expected = [];
+        for (var i = 0; i < 5e3; i++) {
+            chars.push(' ' + i);
+
+            expected.push('%20' + i);
+        }
+
+        var obj = {
+            foo: chars.join('')
+        };
+
+        st.equal(
+            qs.stringify(obj, { arrayFormat: 'brackets', charset: 'utf-8' }),
+            'foo=' + expected.join('')
+        );
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('stringifies empty keys', function (t) {
+    emptyTestCases.forEach(function (testCase) {
+        t.test('stringifies an object with empty string key with ' + testCase.input, function (st) {
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'indices' }),
+                testCase.stringifyOutput.indices,
+                'test case: ' + testCase.input + ', indices'
+            );
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'brackets' }),
+                testCase.stringifyOutput.brackets,
+                'test case: ' + testCase.input + ', brackets'
+            );
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'repeat' }),
+                testCase.stringifyOutput.repeat,
+                'test case: ' + testCase.input + ', repeat'
+            );
+
+            st.end();
+        });
+    });
+
+    t.test('edge case with object/arrays', function (st) {
+        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false }), '[][0]=2&[][1]=3');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false }), '[][0]=2&[][1]=3&[a]=2');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3&[a]=2');
+
+        st.end();
+    });
+
+    t.test('stringifies non-string keys', function (st) {
+        var actual = qs.stringify({ a: 'b', 'false': {} }, {
+            filter: ['a', false, null],
+            allowDots: true,
+            encodeDotInKeys: true
+        });
+
+        st.equal(actual, 'a=b', 'stringifies correctly');
+
+        st.end();
+    });
+});
diff --git a/node_modules/qs/test/utils.js b/node_modules/qs/test/utils.js
new file mode 100644
index 00000000..39335165
--- /dev/null
+++ b/node_modules/qs/test/utils.js
@@ -0,0 +1,262 @@
+'use strict';
+
+var test = require('tape');
+var inspect = require('object-inspect');
+var SaferBuffer = require('safer-buffer').Buffer;
+var forEach = require('for-each');
+var v = require('es-value-fixtures');
+
+var utils = require('../lib/utils');
+
+test('merge()', function (t) {
+    t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null');
+
+    t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array');
+
+    t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
+
+    var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
+    t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
+
+    var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
+    t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
+
+    var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
+    t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
+
+    var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
+    t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
+
+    var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar');
+    t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true });
+
+    var func = function f() {};
+    t.deepEqual(
+        utils.merge(func, { foo: 'bar' }),
+        [func, { foo: 'bar' }],
+        'functions can not be merged into'
+    );
+
+    func.bar = 'baz';
+    t.deepEqual(
+        utils.merge({ foo: 'bar' }, func),
+        { foo: 'bar', bar: 'baz' },
+        'functions can be merge sources'
+    );
+
+    t.test(
+        'avoids invoking array setters unnecessarily',
+        { skip: typeof Object.defineProperty !== 'function' },
+        function (st) {
+            var setCount = 0;
+            var getCount = 0;
+            var observed = [];
+            Object.defineProperty(observed, 0, {
+                get: function () {
+                    getCount += 1;
+                    return { bar: 'baz' };
+                },
+                set: function () { setCount += 1; }
+            });
+            utils.merge(observed, [null]);
+            st.equal(setCount, 0);
+            st.equal(getCount, 1);
+            observed[0] = observed[0]; // eslint-disable-line no-self-assign
+            st.equal(setCount, 1);
+            st.equal(getCount, 2);
+            st.end();
+        }
+    );
+
+    t.end();
+});
+
+test('assign()', function (t) {
+    var target = { a: 1, b: 2 };
+    var source = { b: 3, c: 4 };
+    var result = utils.assign(target, source);
+
+    t.equal(result, target, 'returns the target');
+    t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
+    t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
+
+    t.end();
+});
+
+test('combine()', function (t) {
+    t.test('both arrays', function (st) {
+        var a = [1];
+        var b = [2];
+        var combined = utils.combine(a, b);
+
+        st.deepEqual(a, [1], 'a is not mutated');
+        st.deepEqual(b, [2], 'b is not mutated');
+        st.notEqual(a, combined, 'a !== combined');
+        st.notEqual(b, combined, 'b !== combined');
+        st.deepEqual(combined, [1, 2], 'combined is a + b');
+
+        st.end();
+    });
+
+    t.test('one array, one non-array', function (st) {
+        var aN = 1;
+        var a = [aN];
+        var bN = 2;
+        var b = [bN];
+
+        var combinedAnB = utils.combine(aN, b);
+        st.deepEqual(b, [bN], 'b is not mutated');
+        st.notEqual(aN, combinedAnB, 'aN + b !== aN');
+        st.notEqual(a, combinedAnB, 'aN + b !== a');
+        st.notEqual(bN, combinedAnB, 'aN + b !== bN');
+        st.notEqual(b, combinedAnB, 'aN + b !== b');
+        st.deepEqual([1, 2], combinedAnB, 'first argument is array-wrapped when not an array');
+
+        var combinedABn = utils.combine(a, bN);
+        st.deepEqual(a, [aN], 'a is not mutated');
+        st.notEqual(aN, combinedABn, 'a + bN !== aN');
+        st.notEqual(a, combinedABn, 'a + bN !== a');
+        st.notEqual(bN, combinedABn, 'a + bN !== bN');
+        st.notEqual(b, combinedABn, 'a + bN !== b');
+        st.deepEqual([1, 2], combinedABn, 'second argument is array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.test('neither is an array', function (st) {
+        var combined = utils.combine(1, 2);
+        st.notEqual(1, combined, '1 + 2 !== 1');
+        st.notEqual(2, combined, '1 + 2 !== 2');
+        st.deepEqual([1, 2], combined, 'both arguments are array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('decode', function (t) {
+    t.equal(
+        utils.decode('a+b'),
+        'a b',
+        'decodes + to space'
+    );
+
+    t.equal(
+        utils.decode('name%2Eobj'),
+        'name.obj',
+        'decodes a string'
+    );
+    t.equal(
+        utils.decode('name%2Eobj%2Efoo', null, 'iso-8859-1'),
+        'name.obj.foo',
+        'decodes a string in iso-8859-1'
+    );
+
+    t.end();
+});
+
+test('encode', function (t) {
+    forEach(v.nullPrimitives, function (nullish) {
+        t['throws'](
+            function () { utils.encode(nullish); },
+            TypeError,
+            inspect(nullish) + ' is not a string'
+        );
+    });
+
+    t.equal(utils.encode(''), '', 'empty string returns itself');
+    t.deepEqual(utils.encode([]), [], 'empty array returns itself');
+    t.deepEqual(utils.encode({ length: 0 }), { length: 0 }, 'empty arraylike returns itself');
+
+    t.test('symbols', { skip: !v.hasSymbols }, function (st) {
+        st.equal(utils.encode(Symbol('x')), 'Symbol%28x%29', 'symbol is encoded');
+
+        st.end();
+    });
+
+    t.equal(
+        utils.encode('(abc)'),
+        '%28abc%29',
+        'encodes parentheses'
+    );
+    t.equal(
+        utils.encode({ toString: function () { return '(abc)'; } }),
+        '%28abc%29',
+        'toStrings and encodes parentheses'
+    );
+
+    t.equal(
+        utils.encode('abc 123 💩', null, 'iso-8859-1'),
+        'abc%20123%20%26%2355357%3B%26%2356489%3B',
+        'encodes in iso-8859-1'
+    );
+
+    var longString = '';
+    var expectedString = '';
+    for (var i = 0; i < 1500; i++) {
+        longString += ' ';
+        expectedString += '%20';
+    }
+
+    t.equal(
+        utils.encode(longString),
+        expectedString,
+        'encodes a long string'
+    );
+
+    t.equal(
+        utils.encode('\x28\x29'),
+        '%28%29',
+        'encodes parens normally'
+    );
+    t.equal(
+        utils.encode('\x28\x29', null, null, null, 'RFC1738'),
+        '()',
+        'does not encode parens in RFC1738'
+    );
+
+    // todo RFC1738 format
+
+    t.equal(
+        utils.encode('Āက豈'),
+        '%C4%80%E1%80%80%EF%A4%80',
+        'encodes multibyte chars'
+    );
+
+    t.equal(
+        utils.encode('\uD83D \uDCA9'),
+        '%F0%9F%90%A0%F0%BA%90%80',
+        'encodes lone surrogates'
+    );
+
+    t.end();
+});
+
+test('isBuffer()', function (t) {
+    forEach([null, undefined, true, false, '', 'abc', 42, 0, NaN, {}, [], function () {}, /a/g], function (x) {
+        t.equal(utils.isBuffer(x), false, inspect(x) + ' is not a buffer');
+    });
+
+    var fakeBuffer = { constructor: Buffer };
+    t.equal(utils.isBuffer(fakeBuffer), false, 'fake buffer is not a buffer');
+
+    var saferBuffer = SaferBuffer.from('abc');
+    t.equal(utils.isBuffer(saferBuffer), true, 'SaferBuffer instance is a buffer');
+
+    var buffer = Buffer.from && Buffer.alloc ? Buffer.from('abc') : new Buffer('abc');
+    t.equal(utils.isBuffer(buffer), true, 'real Buffer instance is a buffer');
+    t.end();
+});
+
+test('isRegExp()', function (t) {
+    t.equal(utils.isRegExp(/a/g), true, 'RegExp is a RegExp');
+    t.equal(utils.isRegExp(new RegExp('a', 'g')), true, 'new RegExp is a RegExp');
+    t.equal(utils.isRegExp(new Date()), false, 'Date is not a RegExp');
+
+    forEach(v.primitives, function (primitive) {
+        t.equal(utils.isRegExp(primitive), false, inspect(primitive) + ' is not a RegExp');
+    });
+
+    t.end();
+});
diff --git a/node_modules/querystring-es3/.travis.yml b/node_modules/querystring-es3/.travis.yml
new file mode 100644
index 00000000..895dbd36
--- /dev/null
+++ b/node_modules/querystring-es3/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - 0.6
+  - 0.8
diff --git a/node_modules/querystring-es3/History.md b/node_modules/querystring-es3/History.md
new file mode 100644
index 00000000..4fddbaf7
--- /dev/null
+++ b/node_modules/querystring-es3/History.md
@@ -0,0 +1,20 @@
+# 0.2.0 / 2013-02-21
+
+  - Refactor into function per-module idiomatic style.
+  - Improved test coverage.
+
+# 0.1.0 / 2011-12-13
+
+  - Minor project reorganization
+
+# 0.0.3 / 2011-04-16
+  - Support for AMD module loaders
+
+# 0.0.2 / 2011-04-16
+
+  - Ported unit tests
+  - Removed functionality that depended on Buffers
+
+# 0.0.1 / 2011-04-15
+
+  - Initial release
diff --git a/node_modules/querystring-es3/License.md b/node_modules/querystring-es3/License.md
new file mode 100644
index 00000000..fc80e85f
--- /dev/null
+++ b/node_modules/querystring-es3/License.md
@@ -0,0 +1,19 @@
+
+Copyright 2012 Irakli Gozalishvili. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/querystring-es3/Readme.md b/node_modules/querystring-es3/Readme.md
new file mode 100644
index 00000000..be1668df
--- /dev/null
+++ b/node_modules/querystring-es3/Readme.md
@@ -0,0 +1,15 @@
+# querystring
+
+[![Build Status](https://secure.travis-ci.org/mike-spainhower/querystring.png)](http://travis-ci.org/mike-spainhower/querystring)
+
+
+[![Browser support](http://ci.testling.com/mike-spainhower/querystring.png)](http://ci.testling.com/mike-spainhower/querystring)
+
+
+
+Node's querystring module for all engines.
+
+## Install ##
+
+    npm install querystring
+
diff --git a/node_modules/querystring-es3/decode.js b/node_modules/querystring-es3/decode.js
new file mode 100644
index 00000000..b5825c0b
--- /dev/null
+++ b/node_modules/querystring-es3/decode.js
@@ -0,0 +1,84 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// If obj.hasOwnProperty has been overridden, then calling
+// obj.hasOwnProperty(prop) will break.
+// See: https://github.com/joyent/node/issues/1707
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+module.exports = function(qs, sep, eq, options) {
+  sep = sep || '&';
+  eq = eq || '=';
+  var obj = {};
+
+  if (typeof qs !== 'string' || qs.length === 0) {
+    return obj;
+  }
+
+  var regexp = /\+/g;
+  qs = qs.split(sep);
+
+  var maxKeys = 1000;
+  if (options && typeof options.maxKeys === 'number') {
+    maxKeys = options.maxKeys;
+  }
+
+  var len = qs.length;
+  // maxKeys <= 0 means that we should not limit keys count
+  if (maxKeys > 0 && len > maxKeys) {
+    len = maxKeys;
+  }
+
+  for (var i = 0; i < len; ++i) {
+    var x = qs[i].replace(regexp, '%20'),
+        idx = x.indexOf(eq),
+        kstr, vstr, k, v;
+
+    if (idx >= 0) {
+      kstr = x.substr(0, idx);
+      vstr = x.substr(idx + 1);
+    } else {
+      kstr = x;
+      vstr = '';
+    }
+
+    k = decodeURIComponent(kstr);
+    v = decodeURIComponent(vstr);
+
+    if (!hasOwnProperty(obj, k)) {
+      obj[k] = v;
+    } else if (isArray(obj[k])) {
+      obj[k].push(v);
+    } else {
+      obj[k] = [obj[k], v];
+    }
+  }
+
+  return obj;
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
diff --git a/node_modules/querystring-es3/encode.js b/node_modules/querystring-es3/encode.js
new file mode 100644
index 00000000..76e4cfb0
--- /dev/null
+++ b/node_modules/querystring-es3/encode.js
@@ -0,0 +1,85 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var stringifyPrimitive = function(v) {
+  switch (typeof v) {
+    case 'string':
+      return v;
+
+    case 'boolean':
+      return v ? 'true' : 'false';
+
+    case 'number':
+      return isFinite(v) ? v : '';
+
+    default:
+      return '';
+  }
+};
+
+module.exports = function(obj, sep, eq, name) {
+  sep = sep || '&';
+  eq = eq || '=';
+  if (obj === null) {
+    obj = undefined;
+  }
+
+  if (typeof obj === 'object') {
+    return map(objectKeys(obj), function(k) {
+      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
+      if (isArray(obj[k])) {
+        return map(obj[k], function(v) {
+          return ks + encodeURIComponent(stringifyPrimitive(v));
+        }).join(sep);
+      } else {
+        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
+      }
+    }).join(sep);
+
+  }
+
+  if (!name) return '';
+  return encodeURIComponent(stringifyPrimitive(name)) + eq +
+         encodeURIComponent(stringifyPrimitive(obj));
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+function map (xs, f) {
+  if (xs.map) return xs.map(f);
+  var res = [];
+  for (var i = 0; i < xs.length; i++) {
+    res.push(f(xs[i], i));
+  }
+  return res;
+}
+
+var objectKeys = Object.keys || function (obj) {
+  var res = [];
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
+  }
+  return res;
+};
diff --git a/node_modules/querystring-es3/index.js b/node_modules/querystring-es3/index.js
new file mode 100644
index 00000000..99826ea8
--- /dev/null
+++ b/node_modules/querystring-es3/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+exports.decode = exports.parse = require('./decode');
+exports.encode = exports.stringify = require('./encode');
diff --git a/node_modules/querystring-es3/package.json b/node_modules/querystring-es3/package.json
new file mode 100644
index 00000000..695d8a0e
--- /dev/null
+++ b/node_modules/querystring-es3/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "querystring-es3",
+  "id": "querystring-es3",
+  "version": "0.2.1",
+  "description": "Node's querystring module for all engines. (ES3 compat fork)",
+  "keywords": [ "commonjs", "query", "querystring" ],
+  "author": "Irakli Gozalishvili <rfobic@gmail.com>",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mike-spainhower/querystring.git",
+    "web": "https://github.com/mike-spainhower/querystring"
+  },
+  "bugs": {
+    "url": "http://github.com/mike-spainhower/querystring/issues/"
+  },
+  "devDependencies": {
+    "test": "~0.x.0",
+    "phantomify": "~0.x.0",
+    "retape": "~0.x.0",
+    "tape": "~0.1.5"
+  },
+  "engines": {
+    "node": ">=0.4.x"
+  },
+  "scripts": {
+    "test": "npm run test-node && npm run test-browser && npm run test-tap",
+    "test-browser": "node ./node_modules/phantomify/bin/cmd.js ./test/common-index.js",
+    "test-node": "node ./test/common-index.js",
+    "test-tap": "node ./test/tap-index.js"
+  },
+  "testling": {
+    "files": "test/tap-index.js",
+    "browsers": {
+      "iexplore": [
+        9,
+        10
+      ],
+      "chrome": [
+        16,
+        20,
+        25,
+        "canary"
+      ],
+      "firefox": [
+        10,
+        15,
+        16,
+        17,
+        18,
+        "nightly"
+      ],
+      "safari": [
+        5,
+        6
+      ],
+      "opera": [
+        12
+      ]
+    }
+  },
+  "licenses": [{
+    "type" : "MIT",
+    "url" : "https://github.com/Gozala/enchain/License.md"
+  }]
+}
diff --git a/node_modules/querystring-es3/test/common-index.js b/node_modules/querystring-es3/test/common-index.js
new file mode 100644
index 00000000..f356f987
--- /dev/null
+++ b/node_modules/querystring-es3/test/common-index.js
@@ -0,0 +1,3 @@
+"use strict";
+
+require("test").run(require("./index"))
\ No newline at end of file
diff --git a/node_modules/querystring-es3/test/index.js b/node_modules/querystring-es3/test/index.js
new file mode 100644
index 00000000..62eb2ac8
--- /dev/null
+++ b/node_modules/querystring-es3/test/index.js
@@ -0,0 +1,210 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+"use strict";
+
+// test using assert
+var qs = require('../');
+
+// folding block, commented to pass gjslint
+// {{{
+// [ wonkyQS, canonicalQS, obj ]
+var qsTestCases = [
+  ['foo=918854443121279438895193',
+   'foo=918854443121279438895193',
+   {'foo': '918854443121279438895193'}],
+  ['foo=bar', 'foo=bar', {'foo': 'bar'}],
+  ['foo=bar&foo=quux', 'foo=bar&foo=quux', {'foo': ['bar', 'quux']}],
+  ['foo=1&bar=2', 'foo=1&bar=2', {'foo': '1', 'bar': '2'}],
+  ['my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F',
+  'my%20weird%20field=q1!2%22\'w%245%267%2Fz8)%3F',
+  {'my weird field': 'q1!2"\'w$5&7/z8)?' }],
+  ['foo%3Dbaz=bar', 'foo%3Dbaz=bar', {'foo=baz': 'bar'}],
+  ['foo=baz=bar', 'foo=baz%3Dbar', {'foo': 'baz=bar'}],
+  ['str=foo&arr=1&arr=2&arr=3&somenull=&undef=',
+   'str=foo&arr=1&arr=2&arr=3&somenull=&undef=',
+   { 'str': 'foo',
+     'arr': ['1', '2', '3'],
+     'somenull': '',
+     'undef': ''}],
+  [' foo = bar ', '%20foo%20=%20bar%20', {' foo ': ' bar '}],
+  // disable test that fails ['foo=%zx', 'foo=%25zx', {'foo': '%zx'}],
+  ['foo=%EF%BF%BD', 'foo=%EF%BF%BD', {'foo': '\ufffd' }],
+  // See: https://github.com/joyent/node/issues/1707
+  ['hasOwnProperty=x&toString=foo&valueOf=bar&__defineGetter__=baz',
+    'hasOwnProperty=x&toString=foo&valueOf=bar&__defineGetter__=baz',
+    { hasOwnProperty: 'x',
+      toString: 'foo',
+      valueOf: 'bar',
+      __defineGetter__: 'baz' }],
+  // See: https://github.com/joyent/node/issues/3058
+  ['foo&bar=baz', 'foo=&bar=baz', { foo: '', bar: 'baz' }]
+];
+
+// [ wonkyQS, canonicalQS, obj ]
+var qsColonTestCases = [
+  ['foo:bar', 'foo:bar', {'foo': 'bar'}],
+  ['foo:bar;foo:quux', 'foo:bar;foo:quux', {'foo': ['bar', 'quux']}],
+  ['foo:1&bar:2;baz:quux',
+   'foo:1%26bar%3A2;baz:quux',
+   {'foo': '1&bar:2', 'baz': 'quux'}],
+  ['foo%3Abaz:bar', 'foo%3Abaz:bar', {'foo:baz': 'bar'}],
+  ['foo:baz:bar', 'foo:baz%3Abar', {'foo': 'baz:bar'}]
+];
+
+// [wonkyObj, qs, canonicalObj]
+var extendedFunction = function() {};
+extendedFunction.prototype = {a: 'b'};
+var qsWeirdObjects = [
+  [{regexp: /./g}, 'regexp=', {'regexp': ''}],
+  [{regexp: new RegExp('.', 'g')}, 'regexp=', {'regexp': ''}],
+  [{fn: function() {}}, 'fn=', {'fn': ''}],
+  [{fn: new Function('')}, 'fn=', {'fn': ''}],
+  [{math: Math}, 'math=', {'math': ''}],
+  [{e: extendedFunction}, 'e=', {'e': ''}],
+  [{d: new Date()}, 'd=', {'d': ''}],
+  [{d: Date}, 'd=', {'d': ''}],
+  [{f: new Boolean(false), t: new Boolean(true)}, 'f=&t=', {'f': '', 't': ''}],
+  [{f: false, t: true}, 'f=false&t=true', {'f': 'false', 't': 'true'}],
+  [{n: null}, 'n=', {'n': ''}],
+  [{nan: NaN}, 'nan=', {'nan': ''}],
+  [{inf: Infinity}, 'inf=', {'inf': ''}]
+];
+// }}}
+
+var qsNoMungeTestCases = [
+  ['', {}],
+  ['foo=bar&foo=baz', {'foo': ['bar', 'baz']}],
+  ['blah=burp', {'blah': 'burp'}],
+  ['gragh=1&gragh=3&goo=2', {'gragh': ['1', '3'], 'goo': '2'}],
+  ['frappucino=muffin&goat%5B%5D=scone&pond=moose',
+   {'frappucino': 'muffin', 'goat[]': 'scone', 'pond': 'moose'}],
+  ['trololol=yes&lololo=no', {'trololol': 'yes', 'lololo': 'no'}]
+];
+
+exports['test basic'] = function(assert) {
+  assert.strictEqual('918854443121279438895193',
+                   qs.parse('id=918854443121279438895193').id,
+                   'prase id=918854443121279438895193');
+};
+
+exports['test that the canonical qs is parsed properly'] = function(assert) {
+  qsTestCases.forEach(function(testCase) {
+    assert.deepEqual(testCase[2], qs.parse(testCase[0]),
+                     'parse ' + testCase[0]);
+  });
+};
+
+
+exports['test that the colon test cases can do the same'] = function(assert) {
+  qsColonTestCases.forEach(function(testCase) {
+    assert.deepEqual(testCase[2], qs.parse(testCase[0], ';', ':'),
+                     'parse ' + testCase[0] + ' -> ; :');
+  });
+};
+
+exports['test the weird objects, that they get parsed properly'] = function(assert) {
+  qsWeirdObjects.forEach(function(testCase) {
+    assert.deepEqual(testCase[2], qs.parse(testCase[1]),
+                     'parse ' + testCase[1]);
+  });
+};
+
+exports['test non munge test cases'] = function(assert) {
+  qsNoMungeTestCases.forEach(function(testCase) {
+    assert.deepEqual(testCase[0], qs.stringify(testCase[1], '&', '=', false),
+                     'stringify ' + JSON.stringify(testCase[1]) + ' -> & =');
+  });
+};
+
+exports['test the nested qs-in-qs case'] = function(assert) {
+  var f = qs.parse('a=b&q=x%3Dy%26y%3Dz');
+  f.q = qs.parse(f.q);
+  assert.deepEqual(f, { a: 'b', q: { x: 'y', y: 'z' } },
+                   'parse a=b&q=x%3Dy%26y%3Dz');
+};
+
+exports['test nested in colon'] = function(assert) {
+  var f = qs.parse('a:b;q:x%3Ay%3By%3Az', ';', ':');
+  f.q = qs.parse(f.q, ';', ':');
+  assert.deepEqual(f, { a: 'b', q: { x: 'y', y: 'z' } },
+                   'parse a:b;q:x%3Ay%3By%3Az -> ; :');
+};
+
+exports['test stringifying'] = function(assert) {
+  qsTestCases.forEach(function(testCase) {
+    assert.equal(testCase[1], qs.stringify(testCase[2]),
+                 'stringify ' + JSON.stringify(testCase[2]));
+  });
+
+  qsColonTestCases.forEach(function(testCase) {
+    assert.equal(testCase[1], qs.stringify(testCase[2], ';', ':'),
+                 'stringify ' + JSON.stringify(testCase[2]) + ' -> ; :');
+  });
+
+  qsWeirdObjects.forEach(function(testCase) {
+    assert.equal(testCase[1], qs.stringify(testCase[0]),
+                 'stringify ' + JSON.stringify(testCase[0]));
+  });
+};
+
+exports['test stringifying nested'] = function(assert) {
+  var f = qs.stringify({
+    a: 'b',
+    q: qs.stringify({
+      x: 'y',
+      y: 'z'
+    })
+  });
+  assert.equal(f, 'a=b&q=x%3Dy%26y%3Dz',
+               JSON.stringify({
+                  a: 'b',
+                  'qs.stringify -> q': {
+                    x: 'y',
+                    y: 'z'
+                  }
+                }));
+
+  var threw = false;
+  try { qs.parse(undefined); } catch(error) { threw = true; }
+  assert.ok(!threw, "does not throws on undefined");
+};
+
+exports['test nested in colon'] = function(assert) {
+  var f = qs.stringify({
+    a: 'b',
+    q: qs.stringify({
+      x: 'y',
+      y: 'z'
+    }, ';', ':')
+  }, ';', ':');
+  assert.equal(f, 'a:b;q:x%3Ay%3By%3Az',
+               'stringify ' + JSON.stringify({
+                  a: 'b',
+                  'qs.stringify -> q': {
+                    x: 'y',
+                    y: 'z'
+                  }
+                }) + ' -> ; : ');
+
+
+  assert.deepEqual({}, qs.parse(), 'parse undefined');
+};
diff --git a/node_modules/querystring-es3/test/tap-index.js b/node_modules/querystring-es3/test/tap-index.js
new file mode 100644
index 00000000..70679b3f
--- /dev/null
+++ b/node_modules/querystring-es3/test/tap-index.js
@@ -0,0 +1,3 @@
+"use strict";
+
+require("retape")(require("./index"))
\ No newline at end of file
diff --git a/node_modules/randombytes/.travis.yml b/node_modules/randombytes/.travis.yml
new file mode 100644
index 00000000..69fdf713
--- /dev/null
+++ b/node_modules/randombytes/.travis.yml
@@ -0,0 +1,15 @@
+sudo: false
+language: node_js
+matrix:
+  include:
+    - node_js: '7'
+      env: TEST_SUITE=test
+    - node_js: '6'
+      env: TEST_SUITE=test
+    - node_js: '5'
+      env: TEST_SUITE=test
+    - node_js: '4'
+      env: TEST_SUITE=test
+    - node_js: '4'
+      env: TEST_SUITE=phantom
+script: "npm run-script $TEST_SUITE"
diff --git a/node_modules/randombytes/.zuul.yml b/node_modules/randombytes/.zuul.yml
new file mode 100644
index 00000000..96d9cfbd
--- /dev/null
+++ b/node_modules/randombytes/.zuul.yml
@@ -0,0 +1 @@
+ui: tape
diff --git a/node_modules/randombytes/LICENSE b/node_modules/randombytes/LICENSE
new file mode 100644
index 00000000..fea9d48a
--- /dev/null
+++ b/node_modules/randombytes/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 crypto-browserify
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/randombytes/README.md b/node_modules/randombytes/README.md
new file mode 100644
index 00000000..3bacba4d
--- /dev/null
+++ b/node_modules/randombytes/README.md
@@ -0,0 +1,14 @@
+randombytes
+===
+
+[![Version](http://img.shields.io/npm/v/randombytes.svg)](https://www.npmjs.org/package/randombytes) [![Build Status](https://travis-ci.org/crypto-browserify/randombytes.svg?branch=master)](https://travis-ci.org/crypto-browserify/randombytes)
+
+randombytes from node that works in the browser.  In node you just get crypto.randomBytes, but in the browser it uses .crypto/msCrypto.getRandomValues
+
+```js
+var randomBytes = require('randombytes');
+randomBytes(16);//get 16 random bytes
+randomBytes(16, function (err, resp) {
+  // resp is 16 random bytes
+});
+```
diff --git a/node_modules/randombytes/browser.js b/node_modules/randombytes/browser.js
new file mode 100644
index 00000000..0fb0b715
--- /dev/null
+++ b/node_modules/randombytes/browser.js
@@ -0,0 +1,50 @@
+'use strict'
+
+// limit of Crypto.getRandomValues()
+// https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues
+var MAX_BYTES = 65536
+
+// Node supports requesting up to this number of bytes
+// https://github.com/nodejs/node/blob/master/lib/internal/crypto/random.js#L48
+var MAX_UINT32 = 4294967295
+
+function oldBrowser () {
+  throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11')
+}
+
+var Buffer = require('safe-buffer').Buffer
+var crypto = global.crypto || global.msCrypto
+
+if (crypto && crypto.getRandomValues) {
+  module.exports = randomBytes
+} else {
+  module.exports = oldBrowser
+}
+
+function randomBytes (size, cb) {
+  // phantomjs needs to throw
+  if (size > MAX_UINT32) throw new RangeError('requested too many random bytes')
+
+  var bytes = Buffer.allocUnsafe(size)
+
+  if (size > 0) {  // getRandomValues fails on IE if size == 0
+    if (size > MAX_BYTES) { // this is the max bytes crypto.getRandomValues
+      // can do at once see https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
+      for (var generated = 0; generated < size; generated += MAX_BYTES) {
+        // buffer.slice automatically checks if the end is past the end of
+        // the buffer so we don't have to here
+        crypto.getRandomValues(bytes.slice(generated, generated + MAX_BYTES))
+      }
+    } else {
+      crypto.getRandomValues(bytes)
+    }
+  }
+
+  if (typeof cb === 'function') {
+    return process.nextTick(function () {
+      cb(null, bytes)
+    })
+  }
+
+  return bytes
+}
diff --git a/node_modules/randombytes/index.js b/node_modules/randombytes/index.js
new file mode 100644
index 00000000..a2d9e391
--- /dev/null
+++ b/node_modules/randombytes/index.js
@@ -0,0 +1 @@
+module.exports = require('crypto').randomBytes
diff --git a/node_modules/randombytes/package.json b/node_modules/randombytes/package.json
new file mode 100644
index 00000000..36236526
--- /dev/null
+++ b/node_modules/randombytes/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "randombytes",
+  "version": "2.1.0",
+  "description": "random bytes from browserify stand alone",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && node test.js | tspec",
+    "phantom": "zuul --phantom -- test.js",
+    "local": "zuul --local --no-coverage -- test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:crypto-browserify/randombytes.git"
+  },
+  "keywords": [
+    "crypto",
+    "random"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/randombytes/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/randombytes",
+  "browser": "browser.js",
+  "devDependencies": {
+    "phantomjs": "^1.9.9",
+    "standard": "^10.0.2",
+    "tap-spec": "^2.1.2",
+    "tape": "^4.6.3",
+    "zuul": "^3.7.2"
+  },
+  "dependencies": {
+    "safe-buffer": "^5.1.0"
+  }
+}
diff --git a/node_modules/randombytes/test.js b/node_modules/randombytes/test.js
new file mode 100644
index 00000000..f2669769
--- /dev/null
+++ b/node_modules/randombytes/test.js
@@ -0,0 +1,81 @@
+var test = require('tape')
+var randomBytes = require('./')
+var MAX_BYTES = 65536
+var MAX_UINT32 = 4294967295
+
+test('sync', function (t) {
+  t.plan(9)
+  t.equals(randomBytes(0).length, 0, 'len: ' + 0)
+  t.equals(randomBytes(3).length, 3, 'len: ' + 3)
+  t.equals(randomBytes(30).length, 30, 'len: ' + 30)
+  t.equals(randomBytes(300).length, 300, 'len: ' + 300)
+  t.equals(randomBytes(17 + MAX_BYTES).length, 17 + MAX_BYTES, 'len: ' + 17 + MAX_BYTES)
+  t.equals(randomBytes(MAX_BYTES * 100).length, MAX_BYTES * 100, 'len: ' + MAX_BYTES * 100)
+  t.throws(function () {
+    randomBytes(MAX_UINT32 + 1)
+  })
+  t.throws(function () {
+    t.equals(randomBytes(-1))
+  })
+  t.throws(function () {
+    t.equals(randomBytes('hello'))
+  })
+})
+
+test('async', function (t) {
+  t.plan(9)
+
+  randomBytes(0, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, 0, 'len: ' + 0)
+  })
+
+  randomBytes(3, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, 3, 'len: ' + 3)
+  })
+
+  randomBytes(30, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, 30, 'len: ' + 30)
+  })
+
+  randomBytes(300, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, 300, 'len: ' + 300)
+  })
+
+  randomBytes(17 + MAX_BYTES, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, 17 + MAX_BYTES, 'len: ' + 17 + MAX_BYTES)
+  })
+
+  randomBytes(MAX_BYTES * 100, function (err, resp) {
+    if (err) throw err
+
+    t.equals(resp.length, MAX_BYTES * 100, 'len: ' + MAX_BYTES * 100)
+  })
+
+  t.throws(function () {
+    randomBytes(MAX_UINT32 + 1, function () {
+      t.ok(false, 'should not get here')
+    })
+  })
+
+  t.throws(function () {
+    randomBytes(-1, function () {
+      t.ok(false, 'should not get here')
+    })
+  })
+
+  t.throws(function () {
+    randomBytes('hello', function () {
+      t.ok(false, 'should not get here')
+    })
+  })
+})
diff --git a/node_modules/randomfill/.travis.yml b/node_modules/randomfill/.travis.yml
new file mode 100644
index 00000000..69fdf713
--- /dev/null
+++ b/node_modules/randomfill/.travis.yml
@@ -0,0 +1,15 @@
+sudo: false
+language: node_js
+matrix:
+  include:
+    - node_js: '7'
+      env: TEST_SUITE=test
+    - node_js: '6'
+      env: TEST_SUITE=test
+    - node_js: '5'
+      env: TEST_SUITE=test
+    - node_js: '4'
+      env: TEST_SUITE=test
+    - node_js: '4'
+      env: TEST_SUITE=phantom
+script: "npm run-script $TEST_SUITE"
diff --git a/node_modules/randomfill/.zuul.yml b/node_modules/randomfill/.zuul.yml
new file mode 100644
index 00000000..96d9cfbd
--- /dev/null
+++ b/node_modules/randomfill/.zuul.yml
@@ -0,0 +1 @@
+ui: tape
diff --git a/node_modules/randomfill/LICENSE b/node_modules/randomfill/LICENSE
new file mode 100644
index 00000000..fea9d48a
--- /dev/null
+++ b/node_modules/randomfill/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 crypto-browserify
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/randomfill/README.md b/node_modules/randomfill/README.md
new file mode 100644
index 00000000..1ae13adf
--- /dev/null
+++ b/node_modules/randomfill/README.md
@@ -0,0 +1,15 @@
+randomfill
+===
+
+[![Version](http://img.shields.io/npm/v/randomfill.svg)](https://www.npmjs.org/package/randomfill)
+
+randomfill from node that works in the browser.  In node you just get crypto.randomBytes, but in the browser it uses .crypto/msCrypto.getRandomValues
+
+```js
+var randomFill = require('randomfill');
+var buf
+randomFill.randomFillSync(16);//get 16 random bytes
+randomFill.randomFill(16, function (err, resp) {
+  // resp is 16 random bytes
+});
+```
diff --git a/node_modules/randomfill/browser.js b/node_modules/randomfill/browser.js
new file mode 100644
index 00000000..ce34a693
--- /dev/null
+++ b/node_modules/randomfill/browser.js
@@ -0,0 +1,108 @@
+'use strict'
+
+function oldBrowser () {
+  throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+}
+var safeBuffer = require('safe-buffer')
+var randombytes = require('randombytes')
+var Buffer = safeBuffer.Buffer
+var kBufferMaxLength = safeBuffer.kMaxLength
+var crypto = global.crypto || global.msCrypto
+var kMaxUint32 = Math.pow(2, 32) - 1
+function assertOffset (offset, length) {
+  if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare
+    throw new TypeError('offset must be a number')
+  }
+
+  if (offset > kMaxUint32 || offset < 0) {
+    throw new TypeError('offset must be a uint32')
+  }
+
+  if (offset > kBufferMaxLength || offset > length) {
+    throw new RangeError('offset out of range')
+  }
+}
+
+function assertSize (size, offset, length) {
+  if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare
+    throw new TypeError('size must be a number')
+  }
+
+  if (size > kMaxUint32 || size < 0) {
+    throw new TypeError('size must be a uint32')
+  }
+
+  if (size + offset > length || size > kBufferMaxLength) {
+    throw new RangeError('buffer too small')
+  }
+}
+if ((crypto && crypto.getRandomValues) || !process.browser) {
+  exports.randomFill = randomFill
+  exports.randomFillSync = randomFillSync
+} else {
+  exports.randomFill = oldBrowser
+  exports.randomFillSync = oldBrowser
+}
+function randomFill (buf, offset, size, cb) {
+  if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
+    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
+  }
+
+  if (typeof offset === 'function') {
+    cb = offset
+    offset = 0
+    size = buf.length
+  } else if (typeof size === 'function') {
+    cb = size
+    size = buf.length - offset
+  } else if (typeof cb !== 'function') {
+    throw new TypeError('"cb" argument must be a function')
+  }
+  assertOffset(offset, buf.length)
+  assertSize(size, offset, buf.length)
+  return actualFill(buf, offset, size, cb)
+}
+
+function actualFill (buf, offset, size, cb) {
+  if (process.browser) {
+    var ourBuf = buf.buffer
+    var uint = new Uint8Array(ourBuf, offset, size)
+    crypto.getRandomValues(uint)
+    if (cb) {
+      process.nextTick(function () {
+        cb(null, buf)
+      })
+      return
+    }
+    return buf
+  }
+  if (cb) {
+    randombytes(size, function (err, bytes) {
+      if (err) {
+        return cb(err)
+      }
+      bytes.copy(buf, offset)
+      cb(null, buf)
+    })
+    return
+  }
+  var bytes = randombytes(size)
+  bytes.copy(buf, offset)
+  return buf
+}
+function randomFillSync (buf, offset, size) {
+  if (typeof offset === 'undefined') {
+    offset = 0
+  }
+  if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
+    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
+  }
+
+  assertOffset(offset, buf.length)
+
+  if (size === undefined) size = buf.length - offset
+
+  assertSize(size, offset, buf.length)
+
+  return actualFill(buf, offset, size)
+}
diff --git a/node_modules/randomfill/index.js b/node_modules/randomfill/index.js
new file mode 100644
index 00000000..e2b5f7a7
--- /dev/null
+++ b/node_modules/randomfill/index.js
@@ -0,0 +1,7 @@
+var crypto = require('crypto')
+if (typeof crypto.randomFill === 'function' && typeof crypto.randomFillSync === 'function') {
+  exports.randomFill = crypto.randomFill
+  exports.randomFillSync = crypto.randomFillSync
+} else {
+  module.exports = require('./browser')
+}
diff --git a/node_modules/randomfill/package.json b/node_modules/randomfill/package.json
new file mode 100644
index 00000000..ce4be97d
--- /dev/null
+++ b/node_modules/randomfill/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "randomfill",
+  "version": "1.0.4",
+  "description": "random fill from browserify stand alone",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && node test.js | tspec",
+    "phantom": "zuul --phantom -- test.js",
+    "local": "zuul --local --no-coverage -- test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/crypto-browserify/randomfill.git"
+  },
+  "keywords": [
+    "crypto",
+    "random"
+  ],
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/crypto-browserify/randomfill/issues"
+  },
+  "homepage": "https://github.com/crypto-browserify/randomfill",
+  "browser": "browser.js",
+  "devDependencies": {
+    "phantomjs": "^1.9.9",
+    "standard": "^10.0.2",
+    "tap-spec": "^2.1.2",
+    "tape": "^4.6.3",
+    "zuul": "^3.7.2"
+  },
+  "dependencies": {
+    "randombytes": "^2.0.5",
+    "safe-buffer": "^5.1.0"
+  }
+}
diff --git a/node_modules/randomfill/test.js b/node_modules/randomfill/test.js
new file mode 100644
index 00000000..eff227c2
--- /dev/null
+++ b/node_modules/randomfill/test.js
@@ -0,0 +1,28 @@
+var test = require('tape')
+var crypto = require('./browser')
+var Buffer = require('safe-buffer').Buffer
+test('sync', function (t) {
+  t.test('first', function (t) {
+    const buf = Buffer.alloc(10)
+    const before = buf.toString('hex')
+    crypto.randomFillSync(buf, 5, 5)
+    const after = buf.toString('hex')
+    t.notEqual(before, after)
+    t.equal(before.slice(0, 10), after.slice(0, 10))
+    t.end()
+  })
+})
+test('async', function (t) {
+  t.test('first', function (t) {
+    const buf = Buffer.alloc(10)
+    const before = buf.toString('hex')
+    crypto.randomFill(buf, 5, 5, function (err, bufa) {
+      t.error(err)
+      const after = bufa.toString('hex')
+      t.notEqual(before, after)
+      t.equal(before.slice(0, 10), after.slice(0, 10))
+      t.ok(buf === bufa, 'same buffer')
+      t.end()
+    })
+  })
+})
diff --git a/node_modules/raw-loader/CHANGELOG.md b/node_modules/raw-loader/CHANGELOG.md
new file mode 100644
index 00000000..dd606bb8
--- /dev/null
+++ b/node_modules/raw-loader/CHANGELOG.md
@@ -0,0 +1,86 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+### [4.0.2](https://github.com/webpack-contrib/raw-loader/compare/v4.0.1...v4.0.2) (2020-10-09)
+
+### Chore
+
+* update `schema-utils`
+
+### [4.0.1](https://github.com/webpack-contrib/raw-loader/compare/v4.0.0...v4.0.1) (2020-04-15)
+
+
+### Chore
+
+* update deps
+
+## [4.0.0](https://github.com/webpack-contrib/raw-loader/compare/v3.1.0...v4.0.0) (2019-11-25)
+
+
+### Features
+
+* new esModules option
+
+
+### BREAKING CHANGES
+
+* minimum required nodejs version is `10.13.0`
+
+
+
+## [3.1.0](https://github.com/webpack-contrib/raw-loader/compare/v3.0.0...v3.1.0) (2019-07-18)
+
+
+### Features
+
+* improved validation error messages ([#85](https://github.com/webpack-contrib/raw-loader/issues/85)) ([6cf76b8](https://github.com/webpack-contrib/raw-loader/commit/6cf76b8))
+
+
+
+## [3.0.0](https://github.com/webpack-contrib/raw-loader/compare/v2.0.0...v3.0.0) (2019-06-05)
+
+
+### chore
+
+* **deps:** update ([#81](https://github.com/webpack-contrib/raw-loader/issues/81)) ([d11ff27](https://github.com/webpack-contrib/raw-loader/commit/d11ff27))
+
+
+### BREAKING CHANGES
+
+* **deps:** minimum required nodejs version is `8.9.0`
+
+
+
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/webpack-contrib/raw-loader/compare/v1.0.0...v2.0.0) (2019-03-18)
+
+
+### Features
+
+* use ES Module export instead of CommonJS ([#69](https://github.com/webpack-contrib/raw-loader/issues/69)) ([3c7bf2c](https://github.com/webpack-contrib/raw-loader/commit/3c7bf2c))
+
+
+### BREAKING CHANGES
+
+* use ES Module export instead of CommonJS ([#69](https://github.com/webpack-contrib/raw-loader/issues/69)) ([3c7bf2c](https://github.com/webpack-contrib/raw-loader/commit/3c7bf2c))
+
+
+
+<a name="1.0.0"></a>
+## 1.0.0 (2018-12-10)
+
+
+### Bug Fixes
+
+* escape invalid characters ([#43](https://github.com/webpack-contrib/raw-loader/issues/43)) ([83f6541](https://github.com/webpack-contrib/raw-loader/commit/83f6541))
+
+### Features
+
+* schema validation ([#58](https://github.com/webpack-contrib/raw-loader/issues/58)) ([4a6da19](https://github.com/webpack-contrib/raw-loader/commit/4a6da19))
+
+
+### BREAKING CHANGES
+
+* minimum require `webpack` version is `4`
+* minimum require `nodejs` version is `6.9`
diff --git a/node_modules/raw-loader/LICENSE b/node_modules/raw-loader/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/raw-loader/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/raw-loader/README.md b/node_modules/raw-loader/README.md
new file mode 100644
index 00000000..5ff3677f
--- /dev/null
+++ b/node_modules/raw-loader/README.md
@@ -0,0 +1,131 @@
+<div align="center">
+  <img width="200" height="200"
+    src="https://cdn3.iconfinder.com/data/icons/lexter-flat-colorfull-file-formats/56/raw-256.png">
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+</div>
+
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![tests][tests]][tests-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+[![size][size]][size-url]
+
+# raw-loader
+
+A loader for webpack that allows importing files as a String.
+
+## Getting Started
+
+To begin, you'll need to install `raw-loader`:
+
+```console
+$ npm install raw-loader --save-dev
+```
+
+Then add the loader to your `webpack` config. For example:
+
+**file.js**
+
+```js
+import txt from './file.txt';
+```
+
+**webpack.config.js**
+
+```js
+// webpack.config.js
+module.exports = {
+  module: {
+    rules: [
+      {
+        test: /\.txt$/i,
+        use: 'raw-loader',
+      },
+    ],
+  },
+};
+```
+
+And run `webpack` via your preferred method.
+
+## Options
+
+|            Name             |    Type     | Default | Description            |
+| :-------------------------: | :---------: | :-----: | :--------------------- |
+| **[`esModule`](#esmodule)** | `{Boolean}` | `true`  | Uses ES modules syntax |
+
+### `esModule`
+
+Type: `Boolean`
+Default: `true`
+
+By default, `raw-loader` generates JS modules that use the ES modules syntax.
+There are some cases in which using ES modules is beneficial, like in the case of [module concatenation](https://webpack.js.org/plugins/module-concatenation-plugin/) and [tree shaking](https://webpack.js.org/guides/tree-shaking/).
+
+You can enable a CommonJS module syntax using:
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  module: {
+    rules: [
+      {
+        test: /\.txt$/i,
+        use: [
+          {
+            loader: 'raw-loader',
+            options: {
+              esModule: false,
+            },
+          },
+        ],
+      },
+    ],
+  },
+};
+```
+
+## Examples
+
+### Inline
+
+```js
+import txt from 'raw-loader!./file.txt';
+```
+
+Beware, if you already define loader(s) for extension(s) in `webpack.config.js` you should use:
+
+```js
+import css from '!!raw-loader!./file.txt'; // Adding `!!` to a request will disable all loaders specified in the configuration
+```
+
+## Contributing
+
+Please take a moment to read our contributing guidelines if you haven't yet done so.
+
+[CONTRIBUTING](./.github/CONTRIBUTING.md)
+
+## License
+
+[MIT](./LICENSE)
+
+[npm]: https://img.shields.io/npm/v/raw-loader.svg
+[npm-url]: https://npmjs.com/package/raw-loader
+[node]: https://img.shields.io/node/v/raw-loader.svg
+[node-url]: https://nodejs.org
+[deps]: https://david-dm.org/webpack-contrib/raw-loader.svg
+[deps-url]: https://david-dm.org/webpack-contrib/raw-loader
+[tests]: https://github.com/webpack-contrib/raw-loader/workflows/raw-loader/badge.svg
+[tests-url]: https://github.com/webpack-contrib/raw-loader/actions
+[cover]: https://codecov.io/gh/webpack-contrib/raw-loader/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/raw-loader
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
+[size]: https://packagephobia.now.sh/badge?p=raw-loader
+[size-url]: https://packagephobia.now.sh/result?p=raw-loader
diff --git a/node_modules/raw-loader/node_modules/.bin/json5 b/node_modules/raw-loader/node_modules/.bin/json5
new file mode 100644
index 00000000..977b7507
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/.bin/json5
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../json5/lib/cli.js" "$@"
+else 
+  exec node  "$basedir/../json5/lib/cli.js" "$@"
+fi
diff --git a/node_modules/raw-loader/node_modules/.bin/json5.cmd b/node_modules/raw-loader/node_modules/.bin/json5.cmd
new file mode 100644
index 00000000..95c137fe
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/.bin/json5.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\json5\lib\cli.js" %*
diff --git a/node_modules/raw-loader/node_modules/.bin/json5.ps1 b/node_modules/raw-loader/node_modules/.bin/json5.ps1
new file mode 100644
index 00000000..8700ddbe
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/.bin/json5.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../json5/lib/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../json5/lib/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../json5/lib/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../json5/lib/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/raw-loader/node_modules/json5/LICENSE.md b/node_modules/raw-loader/node_modules/json5/LICENSE.md
new file mode 100644
index 00000000..2171aca5
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/LICENSE.md
@@ -0,0 +1,23 @@
+MIT License
+
+Copyright (c) 2012-2018 Aseem Kishore, and [others].
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+[others]: https://github.com/json5/json5/contributors
diff --git a/node_modules/raw-loader/node_modules/json5/README.md b/node_modules/raw-loader/node_modules/json5/README.md
new file mode 100644
index 00000000..00ee7939
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/README.md
@@ -0,0 +1,282 @@
+# JSON5 – JSON for Humans
+
+[![Build Status](https://app.travis-ci.com/json5/json5.svg?branch=main)][Build
+Status] [![Coverage
+Status](https://coveralls.io/repos/github/json5/json5/badge.svg)][Coverage
+Status]
+
+JSON5 is an extension to the popular [JSON] file format that aims to be
+easier to **write and maintain _by hand_ (e.g. for config files)**.
+It is _not intended_ to be used for machine-to-machine communication.
+(Keep using JSON or other file formats for that. 🙂)
+
+JSON5 was started in 2012, and as of 2022, now gets **[>65M downloads/week](https://www.npmjs.com/package/json5)**,
+ranks in the **[top 0.1%](https://gist.github.com/anvaka/8e8fa57c7ee1350e3491)** of the most depended-upon packages on npm,
+and has been adopted by major projects like
+**[Chromium](https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/runtime_enabled_features.json5;drc=5de823b36e68fd99009a29281b17bc3a1d6b329c),
+[Next.js](https://github.com/vercel/next.js/blob/b88f20c90bf4659b8ad5cb2a27956005eac2c7e8/packages/next/lib/find-config.ts#L43-L46),
+[Babel](https://babeljs.io/docs/en/config-files#supported-file-extensions),
+[Retool](https://community.retool.com/t/i-am-attempting-to-append-several-text-fields-to-a-google-sheet-but-receiving-a-json5-invalid-character-error/7626),
+[WebStorm](https://www.jetbrains.com/help/webstorm/json.html),
+and [more](https://github.com/json5/json5/wiki/In-the-Wild)**.
+It's also natively supported on **[Apple platforms](https://developer.apple.com/documentation/foundation/jsondecoder/3766916-allowsjson5)**
+like **MacOS** and **iOS**.
+
+Formally, the **[JSON5 Data Interchange Format](https://spec.json5.org/)** is a superset of JSON
+(so valid JSON files will always be valid JSON5 files)
+that expands its syntax to include some productions from [ECMAScript 5.1] (ES5).
+It's also a strict _subset_ of ES5, so valid JSON5 files will always be valid ES5.
+
+This JavaScript library is a reference implementation for JSON5 parsing and serialization,
+and is directly used in many of the popular projects mentioned above
+(where e.g. extreme performance isn't necessary),
+but others have created [many other libraries](https://github.com/json5/json5/wiki/In-the-Wild)
+across many other platforms.
+
+[Build Status]: https://app.travis-ci.com/json5/json5
+
+[Coverage Status]: https://coveralls.io/github/json5/json5
+
+[JSON]: https://tools.ietf.org/html/rfc7159
+
+[ECMAScript 5.1]: https://www.ecma-international.org/ecma-262/5.1/
+
+## Summary of Features
+The following ECMAScript 5.1 features, which are not supported in JSON, have
+been extended to JSON5.
+
+### Objects
+- Object keys may be an ECMAScript 5.1 _[IdentifierName]_.
+- Objects may have a single trailing comma.
+
+### Arrays
+- Arrays may have a single trailing comma.
+
+### Strings
+- Strings may be single quoted.
+- Strings may span multiple lines by escaping new line characters.
+- Strings may include character escapes.
+
+### Numbers
+- Numbers may be hexadecimal.
+- Numbers may have a leading or trailing decimal point.
+- Numbers may be [IEEE 754] positive infinity, negative infinity, and NaN.
+- Numbers may begin with an explicit plus sign.
+
+### Comments
+- Single and multi-line comments are allowed.
+
+### White Space
+- Additional white space characters are allowed.
+
+[IdentifierName]: https://www.ecma-international.org/ecma-262/5.1/#sec-7.6
+
+[IEEE 754]: http://ieeexplore.ieee.org/servlet/opac?punumber=4610933
+
+## Example
+Kitchen-sink example:
+
+```js
+{
+  // comments
+  unquoted: 'and you can quote me on that',
+  singleQuotes: 'I can use "double quotes" here',
+  lineBreaks: "Look, Mom! \
+No \\n's!",
+  hexadecimal: 0xdecaf,
+  leadingDecimalPoint: .8675309, andTrailing: 8675309.,
+  positiveSign: +1,
+  trailingComma: 'in objects', andIn: ['arrays',],
+  "backwardsCompatible": "with JSON",
+}
+```
+
+A more real-world example is [this config file](https://github.com/chromium/chromium/blob/feb3c9f670515edf9a88f185301cbd7794ee3e52/third_party/blink/renderer/platform/runtime_enabled_features.json5)
+from the Chromium/Blink project.
+
+## Specification
+For a detailed explanation of the JSON5 format, please read the [official
+specification](https://json5.github.io/json5-spec/).
+
+## Installation and Usage
+### Node.js
+```sh
+npm install json5
+```
+
+#### CommonJS
+```js
+const JSON5 = require('json5')
+```
+
+#### Modules
+```js
+import JSON5 from 'json5'
+```
+
+### Browsers
+#### UMD
+```html
+<!-- This will create a global `JSON5` variable. -->
+<script src="https://unpkg.com/json5@2/dist/index.min.js"></script>
+```
+
+#### Modules
+```html
+<script type="module">
+  import JSON5 from 'https://unpkg.com/json5@2/dist/index.min.mjs'
+</script>
+```
+
+## API
+The JSON5 API is compatible with the [JSON API].
+
+[JSON API]:
+https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON
+
+### JSON5.parse()
+Parses a JSON5 string, constructing the JavaScript value or object described by
+the string. An optional reviver function can be provided to perform a
+transformation on the resulting object before it is returned.
+
+#### Syntax
+    JSON5.parse(text[, reviver])
+
+#### Parameters
+- `text`: The string to parse as JSON5.
+- `reviver`: If a function, this prescribes how the value originally produced by
+  parsing is transformed, before being returned.
+
+#### Return value
+The object corresponding to the given JSON5 text.
+
+### JSON5.stringify()
+Converts a JavaScript value to a JSON5 string, optionally replacing values if a
+replacer function is specified, or optionally including only the specified
+properties if a replacer array is specified.
+
+#### Syntax
+    JSON5.stringify(value[, replacer[, space]])
+    JSON5.stringify(value[, options])
+
+#### Parameters
+- `value`: The value to convert to a JSON5 string.
+- `replacer`: A function that alters the behavior of the stringification
+  process, or an array of String and Number objects that serve as a whitelist
+  for selecting/filtering the properties of the value object to be included in
+  the JSON5 string. If this value is null or not provided, all properties of the
+  object are included in the resulting JSON5 string.
+- `space`: A String or Number object that's used to insert white space into the
+  output JSON5 string for readability purposes. If this is a Number, it
+  indicates the number of space characters to use as white space; this number is
+  capped at 10 (if it is greater, the value is just 10). Values less than 1
+  indicate that no space should be used. If this is a String, the string (or the
+  first 10 characters of the string, if it's longer than that) is used as white
+  space. If this parameter is not provided (or is null), no white space is used.
+  If white space is used, trailing commas will be used in objects and arrays.
+- `options`: An object with the following properties:
+  - `replacer`: Same as the `replacer` parameter.
+  - `space`: Same as the `space` parameter.
+  - `quote`: A String representing the quote character to use when serializing
+    strings.
+
+#### Return value
+A JSON5 string representing the value.
+
+### Node.js `require()` JSON5 files
+When using Node.js, you can `require()` JSON5 files by adding the following
+statement.
+
+```js
+require('json5/lib/register')
+```
+
+Then you can load a JSON5 file with a Node.js `require()` statement. For
+example:
+
+```js
+const config = require('./config.json5')
+```
+
+## CLI
+Since JSON is more widely used than JSON5, this package includes a CLI for
+converting JSON5 to JSON and for validating the syntax of JSON5 documents.
+
+### Installation
+```sh
+npm install --global json5
+```
+
+### Usage
+```sh
+json5 [options] <file>
+```
+
+If `<file>` is not provided, then STDIN is used.
+
+#### Options:
+- `-s`, `--space`: The number of spaces to indent or `t` for tabs
+- `-o`, `--out-file [file]`: Output to the specified file, otherwise STDOUT
+- `-v`, `--validate`: Validate JSON5 but do not output JSON
+- `-V`, `--version`: Output the version number
+- `-h`, `--help`: Output usage information
+
+## Contributing
+### Development
+```sh
+git clone https://github.com/json5/json5
+cd json5
+npm install
+```
+
+When contributing code, please write relevant tests and run `npm test` and `npm
+run lint` before submitting pull requests. Please use an editor that supports
+[EditorConfig](http://editorconfig.org/).
+
+### Issues
+To report bugs or request features regarding the JSON5 **data format**,
+please submit an issue to the official
+**[_specification_ repository](https://github.com/json5/json5-spec)**.
+
+Note that we will never add any features that make JSON5 incompatible with ES5;
+that compatibility is a fundamental premise of JSON5.
+
+To report bugs or request features regarding this **JavaScript implementation**
+of JSON5, please submit an issue to **_this_ repository**.
+
+### Security Vulnerabilities and Disclosures
+To report a security vulnerability, please follow the follow the guidelines
+described in our [security policy](./SECURITY.md).
+
+## License
+MIT. See [LICENSE.md](./LICENSE.md) for details.
+
+## Credits
+[Aseem Kishore](https://github.com/aseemk) founded this project.
+He wrote a [blog post](https://aseemk.substack.com/p/ignore-the-f-ing-haters-json5)
+about the journey and lessons learned 10 years in.
+
+[Michael Bolin](http://bolinfest.com/) independently arrived at and published
+some of these same ideas with awesome explanations and detail. Recommended
+reading: [Suggested Improvements to JSON](http://bolinfest.com/essays/json.html)
+
+[Douglas Crockford](http://www.crockford.com/) of course designed and built
+JSON, but his state machine diagrams on the [JSON website](http://json.org/), as
+cheesy as it may sound, gave us motivation and confidence that building a new
+parser to implement these ideas was within reach! The original
+implementation of JSON5 was also modeled directly off of Doug’s open-source
+[json_parse.js] parser. We’re grateful for that clean and well-documented
+code.
+
+[json_parse.js]:
+https://github.com/douglascrockford/JSON-js/blob/03157639c7a7cddd2e9f032537f346f1a87c0f6d/json_parse.js
+
+[Max Nanasy](https://github.com/MaxNanasy) has been an early and prolific
+supporter, contributing multiple patches and ideas.
+
+[Andrew Eisenberg](https://github.com/aeisenberg) contributed the original
+`stringify` method.
+
+[Jordan Tucker](https://github.com/jordanbtucker) has aligned JSON5 more closely
+with ES5, wrote the official JSON5 specification, completely rewrote the
+codebase from the ground up, and is actively maintaining this project.
diff --git a/node_modules/raw-loader/node_modules/json5/lib/cli.js b/node_modules/raw-loader/node_modules/json5/lib/cli.js
new file mode 100644
index 00000000..93cb8092
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/cli.js
@@ -0,0 +1,152 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const path = require('path')
+const pkg = require('../package.json')
+const JSON5 = require('./')
+
+const argv = parseArgs()
+
+if (argv.version) {
+    version()
+} else if (argv.help) {
+    usage()
+} else {
+    const inFilename = argv.defaults[0]
+
+    let readStream
+    if (inFilename) {
+        readStream = fs.createReadStream(inFilename)
+    } else {
+        readStream = process.stdin
+    }
+
+    let json5 = ''
+    readStream.on('data', data => {
+        json5 += data
+    })
+
+    readStream.on('end', () => {
+        let space
+        if (argv.space === 't' || argv.space === 'tab') {
+            space = '\t'
+        } else {
+            space = Number(argv.space)
+        }
+
+        let value
+        try {
+            value = JSON5.parse(json5)
+            if (!argv.validate) {
+                const json = JSON.stringify(value, null, space)
+
+                let writeStream
+
+                // --convert is for backward compatibility with v0.5.1. If
+                // specified with <file> and not --out-file, then a file with
+                // the same name but with a .json extension will be written.
+                if (argv.convert && inFilename && !argv.outFile) {
+                    const parsedFilename = path.parse(inFilename)
+                    const outFilename = path.format(
+                        Object.assign(
+                            parsedFilename,
+                            {base: path.basename(parsedFilename.base, parsedFilename.ext) + '.json'}
+                        )
+                    )
+
+                    writeStream = fs.createWriteStream(outFilename)
+                } else if (argv.outFile) {
+                    writeStream = fs.createWriteStream(argv.outFile)
+                } else {
+                    writeStream = process.stdout
+                }
+
+                writeStream.write(json)
+            }
+        } catch (err) {
+            console.error(err.message)
+            process.exit(1)
+        }
+    })
+}
+
+function parseArgs () {
+    let convert
+    let space
+    let validate
+    let outFile
+    let version
+    let help
+    const defaults = []
+
+    const args = process.argv.slice(2)
+    for (let i = 0; i < args.length; i++) {
+        const arg = args[i]
+        switch (arg) {
+        case '--convert':
+        case '-c':
+            convert = true
+            break
+
+        case '--space':
+        case '-s':
+            space = args[++i]
+            break
+
+        case '--validate':
+        case '-v':
+            validate = true
+            break
+
+        case '--out-file':
+        case '-o':
+            outFile = args[++i]
+            break
+
+        case '--version':
+        case '-V':
+            version = true
+            break
+
+        case '--help':
+        case '-h':
+            help = true
+            break
+
+        default:
+            defaults.push(arg)
+            break
+        }
+    }
+
+    return {
+        convert,
+        space,
+        validate,
+        outFile,
+        version,
+        help,
+        defaults,
+    }
+}
+
+function version () {
+    console.log(pkg.version)
+}
+
+function usage () {
+    console.log(
+        `
+  Usage: json5 [options] <file>
+
+  If <file> is not provided, then STDIN is used.
+
+  Options:
+
+    -s, --space              The number of spaces to indent or 't' for tabs
+    -o, --out-file [file]    Output to the specified file, otherwise STDOUT
+    -v, --validate           Validate JSON5 but do not output JSON
+    -V, --version            Output the version number
+    -h, --help               Output usage information`
+    )
+}
diff --git a/node_modules/raw-loader/node_modules/json5/lib/index.d.ts b/node_modules/raw-loader/node_modules/json5/lib/index.d.ts
new file mode 100644
index 00000000..1c45bca5
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/index.d.ts
@@ -0,0 +1,4 @@
+import parse = require('./parse')
+import stringify = require('./stringify')
+
+export {parse, stringify}
diff --git a/node_modules/raw-loader/node_modules/json5/lib/index.js b/node_modules/raw-loader/node_modules/json5/lib/index.js
new file mode 100644
index 00000000..36796388
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/index.js
@@ -0,0 +1,9 @@
+const parse = require('./parse')
+const stringify = require('./stringify')
+
+const JSON5 = {
+    parse,
+    stringify,
+}
+
+module.exports = JSON5
diff --git a/node_modules/raw-loader/node_modules/json5/lib/parse.d.ts b/node_modules/raw-loader/node_modules/json5/lib/parse.d.ts
new file mode 100644
index 00000000..8c8d883a
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/parse.d.ts
@@ -0,0 +1,15 @@
+/**
+ * Parses a JSON5 string, constructing the JavaScript value or object described
+ * by the string.
+ * @template T The type of the return value.
+ * @param text The string to parse as JSON5.
+ * @param reviver A function that prescribes how the value originally produced
+ * by parsing is transformed before being returned.
+ * @returns The JavaScript value converted from the JSON5 string.
+ */
+declare function parse<T = any>(
+    text: string,
+    reviver?: ((this: any, key: string, value: any) => any) | null,
+): T
+
+export = parse
diff --git a/node_modules/raw-loader/node_modules/json5/lib/parse.js b/node_modules/raw-loader/node_modules/json5/lib/parse.js
new file mode 100644
index 00000000..da2078a6
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/parse.js
@@ -0,0 +1,1114 @@
+const util = require('./util')
+
+let source
+let parseState
+let stack
+let pos
+let line
+let column
+let token
+let key
+let root
+
+module.exports = function parse (text, reviver) {
+    source = String(text)
+    parseState = 'start'
+    stack = []
+    pos = 0
+    line = 1
+    column = 0
+    token = undefined
+    key = undefined
+    root = undefined
+
+    do {
+        token = lex()
+
+        // This code is unreachable.
+        // if (!parseStates[parseState]) {
+        //     throw invalidParseState()
+        // }
+
+        parseStates[parseState]()
+    } while (token.type !== 'eof')
+
+    if (typeof reviver === 'function') {
+        return internalize({'': root}, '', reviver)
+    }
+
+    return root
+}
+
+function internalize (holder, name, reviver) {
+    const value = holder[name]
+    if (value != null && typeof value === 'object') {
+        if (Array.isArray(value)) {
+            for (let i = 0; i < value.length; i++) {
+                const key = String(i)
+                const replacement = internalize(value, key, reviver)
+                if (replacement === undefined) {
+                    delete value[key]
+                } else {
+                    Object.defineProperty(value, key, {
+                        value: replacement,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true,
+                    })
+                }
+            }
+        } else {
+            for (const key in value) {
+                const replacement = internalize(value, key, reviver)
+                if (replacement === undefined) {
+                    delete value[key]
+                } else {
+                    Object.defineProperty(value, key, {
+                        value: replacement,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true,
+                    })
+                }
+            }
+        }
+    }
+
+    return reviver.call(holder, name, value)
+}
+
+let lexState
+let buffer
+let doubleQuote
+let sign
+let c
+
+function lex () {
+    lexState = 'default'
+    buffer = ''
+    doubleQuote = false
+    sign = 1
+
+    for (;;) {
+        c = peek()
+
+        // This code is unreachable.
+        // if (!lexStates[lexState]) {
+        //     throw invalidLexState(lexState)
+        // }
+
+        const token = lexStates[lexState]()
+        if (token) {
+            return token
+        }
+    }
+}
+
+function peek () {
+    if (source[pos]) {
+        return String.fromCodePoint(source.codePointAt(pos))
+    }
+}
+
+function read () {
+    const c = peek()
+
+    if (c === '\n') {
+        line++
+        column = 0
+    } else if (c) {
+        column += c.length
+    } else {
+        column++
+    }
+
+    if (c) {
+        pos += c.length
+    }
+
+    return c
+}
+
+const lexStates = {
+    default () {
+        switch (c) {
+        case '\t':
+        case '\v':
+        case '\f':
+        case ' ':
+        case '\u00A0':
+        case '\uFEFF':
+        case '\n':
+        case '\r':
+        case '\u2028':
+        case '\u2029':
+            read()
+            return
+
+        case '/':
+            read()
+            lexState = 'comment'
+            return
+
+        case undefined:
+            read()
+            return newToken('eof')
+        }
+
+        if (util.isSpaceSeparator(c)) {
+            read()
+            return
+        }
+
+        // This code is unreachable.
+        // if (!lexStates[parseState]) {
+        //     throw invalidLexState(parseState)
+        // }
+
+        return lexStates[parseState]()
+    },
+
+    comment () {
+        switch (c) {
+        case '*':
+            read()
+            lexState = 'multiLineComment'
+            return
+
+        case '/':
+            read()
+            lexState = 'singleLineComment'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    multiLineComment () {
+        switch (c) {
+        case '*':
+            read()
+            lexState = 'multiLineCommentAsterisk'
+            return
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        read()
+    },
+
+    multiLineCommentAsterisk () {
+        switch (c) {
+        case '*':
+            read()
+            return
+
+        case '/':
+            read()
+            lexState = 'default'
+            return
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        read()
+        lexState = 'multiLineComment'
+    },
+
+    singleLineComment () {
+        switch (c) {
+        case '\n':
+        case '\r':
+        case '\u2028':
+        case '\u2029':
+            read()
+            lexState = 'default'
+            return
+
+        case undefined:
+            read()
+            return newToken('eof')
+        }
+
+        read()
+    },
+
+    value () {
+        switch (c) {
+        case '{':
+        case '[':
+            return newToken('punctuator', read())
+
+        case 'n':
+            read()
+            literal('ull')
+            return newToken('null', null)
+
+        case 't':
+            read()
+            literal('rue')
+            return newToken('boolean', true)
+
+        case 'f':
+            read()
+            literal('alse')
+            return newToken('boolean', false)
+
+        case '-':
+        case '+':
+            if (read() === '-') {
+                sign = -1
+            }
+
+            lexState = 'sign'
+            return
+
+        case '.':
+            buffer = read()
+            lexState = 'decimalPointLeading'
+            return
+
+        case '0':
+            buffer = read()
+            lexState = 'zero'
+            return
+
+        case '1':
+        case '2':
+        case '3':
+        case '4':
+        case '5':
+        case '6':
+        case '7':
+        case '8':
+        case '9':
+            buffer = read()
+            lexState = 'decimalInteger'
+            return
+
+        case 'I':
+            read()
+            literal('nfinity')
+            return newToken('numeric', Infinity)
+
+        case 'N':
+            read()
+            literal('aN')
+            return newToken('numeric', NaN)
+
+        case '"':
+        case "'":
+            doubleQuote = (read() === '"')
+            buffer = ''
+            lexState = 'string'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    identifierNameStartEscape () {
+        if (c !== 'u') {
+            throw invalidChar(read())
+        }
+
+        read()
+        const u = unicodeEscape()
+        switch (u) {
+        case '$':
+        case '_':
+            break
+
+        default:
+            if (!util.isIdStartChar(u)) {
+                throw invalidIdentifier()
+            }
+
+            break
+        }
+
+        buffer += u
+        lexState = 'identifierName'
+    },
+
+    identifierName () {
+        switch (c) {
+        case '$':
+        case '_':
+        case '\u200C':
+        case '\u200D':
+            buffer += read()
+            return
+
+        case '\\':
+            read()
+            lexState = 'identifierNameEscape'
+            return
+        }
+
+        if (util.isIdContinueChar(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('identifier', buffer)
+    },
+
+    identifierNameEscape () {
+        if (c !== 'u') {
+            throw invalidChar(read())
+        }
+
+        read()
+        const u = unicodeEscape()
+        switch (u) {
+        case '$':
+        case '_':
+        case '\u200C':
+        case '\u200D':
+            break
+
+        default:
+            if (!util.isIdContinueChar(u)) {
+                throw invalidIdentifier()
+            }
+
+            break
+        }
+
+        buffer += u
+        lexState = 'identifierName'
+    },
+
+    sign () {
+        switch (c) {
+        case '.':
+            buffer = read()
+            lexState = 'decimalPointLeading'
+            return
+
+        case '0':
+            buffer = read()
+            lexState = 'zero'
+            return
+
+        case '1':
+        case '2':
+        case '3':
+        case '4':
+        case '5':
+        case '6':
+        case '7':
+        case '8':
+        case '9':
+            buffer = read()
+            lexState = 'decimalInteger'
+            return
+
+        case 'I':
+            read()
+            literal('nfinity')
+            return newToken('numeric', sign * Infinity)
+
+        case 'N':
+            read()
+            literal('aN')
+            return newToken('numeric', NaN)
+        }
+
+        throw invalidChar(read())
+    },
+
+    zero () {
+        switch (c) {
+        case '.':
+            buffer += read()
+            lexState = 'decimalPoint'
+            return
+
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+
+        case 'x':
+        case 'X':
+            buffer += read()
+            lexState = 'hexadecimal'
+            return
+        }
+
+        return newToken('numeric', sign * 0)
+    },
+
+    decimalInteger () {
+        switch (c) {
+        case '.':
+            buffer += read()
+            lexState = 'decimalPoint'
+            return
+
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalPointLeading () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalFraction'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalPoint () {
+        switch (c) {
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalFraction'
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalFraction () {
+        switch (c) {
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalExponent () {
+        switch (c) {
+        case '+':
+        case '-':
+            buffer += read()
+            lexState = 'decimalExponentSign'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalExponentInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalExponentSign () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalExponentInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalExponentInteger () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    hexadecimal () {
+        if (util.isHexDigit(c)) {
+            buffer += read()
+            lexState = 'hexadecimalInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    hexadecimalInteger () {
+        if (util.isHexDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    string () {
+        switch (c) {
+        case '\\':
+            read()
+            buffer += escape()
+            return
+
+        case '"':
+            if (doubleQuote) {
+                read()
+                return newToken('string', buffer)
+            }
+
+            buffer += read()
+            return
+
+        case "'":
+            if (!doubleQuote) {
+                read()
+                return newToken('string', buffer)
+            }
+
+            buffer += read()
+            return
+
+        case '\n':
+        case '\r':
+            throw invalidChar(read())
+
+        case '\u2028':
+        case '\u2029':
+            separatorChar(c)
+            break
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        buffer += read()
+    },
+
+    start () {
+        switch (c) {
+        case '{':
+        case '[':
+            return newToken('punctuator', read())
+
+        // This code is unreachable since the default lexState handles eof.
+        // case undefined:
+        //     return newToken('eof')
+        }
+
+        lexState = 'value'
+    },
+
+    beforePropertyName () {
+        switch (c) {
+        case '$':
+        case '_':
+            buffer = read()
+            lexState = 'identifierName'
+            return
+
+        case '\\':
+            read()
+            lexState = 'identifierNameStartEscape'
+            return
+
+        case '}':
+            return newToken('punctuator', read())
+
+        case '"':
+        case "'":
+            doubleQuote = (read() === '"')
+            lexState = 'string'
+            return
+        }
+
+        if (util.isIdStartChar(c)) {
+            buffer += read()
+            lexState = 'identifierName'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    afterPropertyName () {
+        if (c === ':') {
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    beforePropertyValue () {
+        lexState = 'value'
+    },
+
+    afterPropertyValue () {
+        switch (c) {
+        case ',':
+        case '}':
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    beforeArrayValue () {
+        if (c === ']') {
+            return newToken('punctuator', read())
+        }
+
+        lexState = 'value'
+    },
+
+    afterArrayValue () {
+        switch (c) {
+        case ',':
+        case ']':
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    end () {
+        // This code is unreachable since it's handled by the default lexState.
+        // if (c === undefined) {
+        //     read()
+        //     return newToken('eof')
+        // }
+
+        throw invalidChar(read())
+    },
+}
+
+function newToken (type, value) {
+    return {
+        type,
+        value,
+        line,
+        column,
+    }
+}
+
+function literal (s) {
+    for (const c of s) {
+        const p = peek()
+
+        if (p !== c) {
+            throw invalidChar(read())
+        }
+
+        read()
+    }
+}
+
+function escape () {
+    const c = peek()
+    switch (c) {
+    case 'b':
+        read()
+        return '\b'
+
+    case 'f':
+        read()
+        return '\f'
+
+    case 'n':
+        read()
+        return '\n'
+
+    case 'r':
+        read()
+        return '\r'
+
+    case 't':
+        read()
+        return '\t'
+
+    case 'v':
+        read()
+        return '\v'
+
+    case '0':
+        read()
+        if (util.isDigit(peek())) {
+            throw invalidChar(read())
+        }
+
+        return '\0'
+
+    case 'x':
+        read()
+        return hexEscape()
+
+    case 'u':
+        read()
+        return unicodeEscape()
+
+    case '\n':
+    case '\u2028':
+    case '\u2029':
+        read()
+        return ''
+
+    case '\r':
+        read()
+        if (peek() === '\n') {
+            read()
+        }
+
+        return ''
+
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+        throw invalidChar(read())
+
+    case undefined:
+        throw invalidChar(read())
+    }
+
+    return read()
+}
+
+function hexEscape () {
+    let buffer = ''
+    let c = peek()
+
+    if (!util.isHexDigit(c)) {
+        throw invalidChar(read())
+    }
+
+    buffer += read()
+
+    c = peek()
+    if (!util.isHexDigit(c)) {
+        throw invalidChar(read())
+    }
+
+    buffer += read()
+
+    return String.fromCodePoint(parseInt(buffer, 16))
+}
+
+function unicodeEscape () {
+    let buffer = ''
+    let count = 4
+
+    while (count-- > 0) {
+        const c = peek()
+        if (!util.isHexDigit(c)) {
+            throw invalidChar(read())
+        }
+
+        buffer += read()
+    }
+
+    return String.fromCodePoint(parseInt(buffer, 16))
+}
+
+const parseStates = {
+    start () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        push()
+    },
+
+    beforePropertyName () {
+        switch (token.type) {
+        case 'identifier':
+        case 'string':
+            key = token.value
+            parseState = 'afterPropertyName'
+            return
+
+        case 'punctuator':
+            // This code is unreachable since it's handled by the lexState.
+            // if (token.value !== '}') {
+            //     throw invalidToken()
+            // }
+
+            pop()
+            return
+
+        case 'eof':
+            throw invalidEOF()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    afterPropertyName () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator' || token.value !== ':') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        parseState = 'beforePropertyValue'
+    },
+
+    beforePropertyValue () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        push()
+    },
+
+    beforeArrayValue () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        if (token.type === 'punctuator' && token.value === ']') {
+            pop()
+            return
+        }
+
+        push()
+    },
+
+    afterPropertyValue () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        switch (token.value) {
+        case ',':
+            parseState = 'beforePropertyName'
+            return
+
+        case '}':
+            pop()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    afterArrayValue () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        switch (token.value) {
+        case ',':
+            parseState = 'beforeArrayValue'
+            return
+
+        case ']':
+            pop()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    end () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'eof') {
+        //     throw invalidToken()
+        // }
+    },
+}
+
+function push () {
+    let value
+
+    switch (token.type) {
+    case 'punctuator':
+        switch (token.value) {
+        case '{':
+            value = {}
+            break
+
+        case '[':
+            value = []
+            break
+        }
+
+        break
+
+    case 'null':
+    case 'boolean':
+    case 'numeric':
+    case 'string':
+        value = token.value
+        break
+
+    // This code is unreachable.
+    // default:
+    //     throw invalidToken()
+    }
+
+    if (root === undefined) {
+        root = value
+    } else {
+        const parent = stack[stack.length - 1]
+        if (Array.isArray(parent)) {
+            parent.push(value)
+        } else {
+            Object.defineProperty(parent, key, {
+                value,
+                writable: true,
+                enumerable: true,
+                configurable: true,
+            })
+        }
+    }
+
+    if (value !== null && typeof value === 'object') {
+        stack.push(value)
+
+        if (Array.isArray(value)) {
+            parseState = 'beforeArrayValue'
+        } else {
+            parseState = 'beforePropertyName'
+        }
+    } else {
+        const current = stack[stack.length - 1]
+        if (current == null) {
+            parseState = 'end'
+        } else if (Array.isArray(current)) {
+            parseState = 'afterArrayValue'
+        } else {
+            parseState = 'afterPropertyValue'
+        }
+    }
+}
+
+function pop () {
+    stack.pop()
+
+    const current = stack[stack.length - 1]
+    if (current == null) {
+        parseState = 'end'
+    } else if (Array.isArray(current)) {
+        parseState = 'afterArrayValue'
+    } else {
+        parseState = 'afterPropertyValue'
+    }
+}
+
+// This code is unreachable.
+// function invalidParseState () {
+//     return new Error(`JSON5: invalid parse state '${parseState}'`)
+// }
+
+// This code is unreachable.
+// function invalidLexState (state) {
+//     return new Error(`JSON5: invalid lex state '${state}'`)
+// }
+
+function invalidChar (c) {
+    if (c === undefined) {
+        return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+    }
+
+    return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
+}
+
+function invalidEOF () {
+    return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+}
+
+// This code is unreachable.
+// function invalidToken () {
+//     if (token.type === 'eof') {
+//         return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+//     }
+
+//     const c = String.fromCodePoint(token.value.codePointAt(0))
+//     return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
+// }
+
+function invalidIdentifier () {
+    column -= 5
+    return syntaxError(`JSON5: invalid identifier character at ${line}:${column}`)
+}
+
+function separatorChar (c) {
+    console.warn(`JSON5: '${formatChar(c)}' in strings is not valid ECMAScript; consider escaping`)
+}
+
+function formatChar (c) {
+    const replacements = {
+        "'": "\\'",
+        '"': '\\"',
+        '\\': '\\\\',
+        '\b': '\\b',
+        '\f': '\\f',
+        '\n': '\\n',
+        '\r': '\\r',
+        '\t': '\\t',
+        '\v': '\\v',
+        '\0': '\\0',
+        '\u2028': '\\u2028',
+        '\u2029': '\\u2029',
+    }
+
+    if (replacements[c]) {
+        return replacements[c]
+    }
+
+    if (c < ' ') {
+        const hexString = c.charCodeAt(0).toString(16)
+        return '\\x' + ('00' + hexString).substring(hexString.length)
+    }
+
+    return c
+}
+
+function syntaxError (message) {
+    const err = new SyntaxError(message)
+    err.lineNumber = line
+    err.columnNumber = column
+    return err
+}
diff --git a/node_modules/raw-loader/node_modules/json5/lib/register.js b/node_modules/raw-loader/node_modules/json5/lib/register.js
new file mode 100644
index 00000000..935cdbaf
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/register.js
@@ -0,0 +1,13 @@
+const fs = require('fs')
+const JSON5 = require('./')
+
+// eslint-disable-next-line node/no-deprecated-api
+require.extensions['.json5'] = function (module, filename) {
+    const content = fs.readFileSync(filename, 'utf8')
+    try {
+        module.exports = JSON5.parse(content)
+    } catch (err) {
+        err.message = filename + ': ' + err.message
+        throw err
+    }
+}
diff --git a/node_modules/raw-loader/node_modules/json5/lib/require.js b/node_modules/raw-loader/node_modules/json5/lib/require.js
new file mode 100644
index 00000000..3aa29bee
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/require.js
@@ -0,0 +1,4 @@
+// This file is for backward compatibility with v0.5.1.
+require('./register')
+
+console.warn("'json5/require' is deprecated. Please use 'json5/register' instead.")
diff --git a/node_modules/raw-loader/node_modules/json5/lib/stringify.d.ts b/node_modules/raw-loader/node_modules/json5/lib/stringify.d.ts
new file mode 100644
index 00000000..3c348389
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/stringify.d.ts
@@ -0,0 +1,89 @@
+declare type StringifyOptions = {
+    /**
+     * A function that alters the behavior of the stringification process, or an
+     * array of String and Number objects that serve as a allowlist for
+     * selecting/filtering the properties of the value object to be included in
+     * the JSON5 string. If this value is null or not provided, all properties
+     * of the object are included in the resulting JSON5 string.
+     */
+    replacer?:
+        | ((this: any, key: string, value: any) => any)
+        | (string | number)[]
+        | null
+
+    /**
+     * A String or Number object that's used to insert white space into the
+     * output JSON5 string for readability purposes. If this is a Number, it
+     * indicates the number of space characters to use as white space; this
+     * number is capped at 10 (if it is greater, the value is just 10). Values
+     * less than 1 indicate that no space should be used. If this is a String,
+     * the string (or the first 10 characters of the string, if it's longer than
+     * that) is used as white space. If this parameter is not provided (or is
+     * null), no white space is used. If white space is used, trailing commas
+     * will be used in objects and arrays.
+     */
+    space?: string | number | null
+
+    /**
+     * A String representing the quote character to use when serializing
+     * strings.
+     */
+    quote?: string | null
+}
+
+/**
+ * Converts a JavaScript value to a JSON5 string.
+ * @param value The value to convert to a JSON5 string.
+ * @param replacer A function that alters the behavior of the stringification
+ * process. If this value is null or not provided, all properties of the object
+ * are included in the resulting JSON5 string.
+ * @param space A String or Number object that's used to insert white space into
+ * the output JSON5 string for readability purposes. If this is a Number, it
+ * indicates the number of space characters to use as white space; this number
+ * is capped at 10 (if it is greater, the value is just 10). Values less than 1
+ * indicate that no space should be used. If this is a String, the string (or
+ * the first 10 characters of the string, if it's longer than that) is used as
+ * white space. If this parameter is not provided (or is null), no white space
+ * is used. If white space is used, trailing commas will be used in objects and
+ * arrays.
+ * @returns The JSON5 string converted from the JavaScript value.
+ */
+declare function stringify(
+    value: any,
+    replacer?: ((this: any, key: string, value: any) => any) | null,
+    space?: string | number | null,
+): string
+
+/**
+ * Converts a JavaScript value to a JSON5 string.
+ * @param value The value to convert to a JSON5 string.
+ * @param replacer An array of String and Number objects that serve as a
+ * allowlist for selecting/filtering the properties of the value object to be
+ * included in the JSON5 string. If this value is null or not provided, all
+ * properties of the object are included in the resulting JSON5 string.
+ * @param space A String or Number object that's used to insert white space into
+ * the output JSON5 string for readability purposes. If this is a Number, it
+ * indicates the number of space characters to use as white space; this number
+ * is capped at 10 (if it is greater, the value is just 10). Values less than 1
+ * indicate that no space should be used. If this is a String, the string (or
+ * the first 10 characters of the string, if it's longer than that) is used as
+ * white space. If this parameter is not provided (or is null), no white space
+ * is used. If white space is used, trailing commas will be used in objects and
+ * arrays.
+ * @returns The JSON5 string converted from the JavaScript value.
+ */
+declare function stringify(
+    value: any,
+    replacer: (string | number)[],
+    space?: string | number | null,
+): string
+
+/**
+ * Converts a JavaScript value to a JSON5 string.
+ * @param value The value to convert to a JSON5 string.
+ * @param options An object specifying options.
+ * @returns The JSON5 string converted from the JavaScript value.
+ */
+declare function stringify(value: any, options: StringifyOptions): string
+
+export = stringify
diff --git a/node_modules/raw-loader/node_modules/json5/lib/stringify.js b/node_modules/raw-loader/node_modules/json5/lib/stringify.js
new file mode 100644
index 00000000..7cb3b0e1
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/stringify.js
@@ -0,0 +1,261 @@
+const util = require('./util')
+
+module.exports = function stringify (value, replacer, space) {
+    const stack = []
+    let indent = ''
+    let propertyList
+    let replacerFunc
+    let gap = ''
+    let quote
+
+    if (
+        replacer != null &&
+        typeof replacer === 'object' &&
+        !Array.isArray(replacer)
+    ) {
+        space = replacer.space
+        quote = replacer.quote
+        replacer = replacer.replacer
+    }
+
+    if (typeof replacer === 'function') {
+        replacerFunc = replacer
+    } else if (Array.isArray(replacer)) {
+        propertyList = []
+        for (const v of replacer) {
+            let item
+
+            if (typeof v === 'string') {
+                item = v
+            } else if (
+                typeof v === 'number' ||
+                v instanceof String ||
+                v instanceof Number
+            ) {
+                item = String(v)
+            }
+
+            if (item !== undefined && propertyList.indexOf(item) < 0) {
+                propertyList.push(item)
+            }
+        }
+    }
+
+    if (space instanceof Number) {
+        space = Number(space)
+    } else if (space instanceof String) {
+        space = String(space)
+    }
+
+    if (typeof space === 'number') {
+        if (space > 0) {
+            space = Math.min(10, Math.floor(space))
+            gap = '          '.substr(0, space)
+        }
+    } else if (typeof space === 'string') {
+        gap = space.substr(0, 10)
+    }
+
+    return serializeProperty('', {'': value})
+
+    function serializeProperty (key, holder) {
+        let value = holder[key]
+        if (value != null) {
+            if (typeof value.toJSON5 === 'function') {
+                value = value.toJSON5(key)
+            } else if (typeof value.toJSON === 'function') {
+                value = value.toJSON(key)
+            }
+        }
+
+        if (replacerFunc) {
+            value = replacerFunc.call(holder, key, value)
+        }
+
+        if (value instanceof Number) {
+            value = Number(value)
+        } else if (value instanceof String) {
+            value = String(value)
+        } else if (value instanceof Boolean) {
+            value = value.valueOf()
+        }
+
+        switch (value) {
+        case null: return 'null'
+        case true: return 'true'
+        case false: return 'false'
+        }
+
+        if (typeof value === 'string') {
+            return quoteString(value, false)
+        }
+
+        if (typeof value === 'number') {
+            return String(value)
+        }
+
+        if (typeof value === 'object') {
+            return Array.isArray(value) ? serializeArray(value) : serializeObject(value)
+        }
+
+        return undefined
+    }
+
+    function quoteString (value) {
+        const quotes = {
+            "'": 0.1,
+            '"': 0.2,
+        }
+
+        const replacements = {
+            "'": "\\'",
+            '"': '\\"',
+            '\\': '\\\\',
+            '\b': '\\b',
+            '\f': '\\f',
+            '\n': '\\n',
+            '\r': '\\r',
+            '\t': '\\t',
+            '\v': '\\v',
+            '\0': '\\0',
+            '\u2028': '\\u2028',
+            '\u2029': '\\u2029',
+        }
+
+        let product = ''
+
+        for (let i = 0; i < value.length; i++) {
+            const c = value[i]
+            switch (c) {
+            case "'":
+            case '"':
+                quotes[c]++
+                product += c
+                continue
+
+            case '\0':
+                if (util.isDigit(value[i + 1])) {
+                    product += '\\x00'
+                    continue
+                }
+            }
+
+            if (replacements[c]) {
+                product += replacements[c]
+                continue
+            }
+
+            if (c < ' ') {
+                let hexString = c.charCodeAt(0).toString(16)
+                product += '\\x' + ('00' + hexString).substring(hexString.length)
+                continue
+            }
+
+            product += c
+        }
+
+        const quoteChar = quote || Object.keys(quotes).reduce((a, b) => (quotes[a] < quotes[b]) ? a : b)
+
+        product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar])
+
+        return quoteChar + product + quoteChar
+    }
+
+    function serializeObject (value) {
+        if (stack.indexOf(value) >= 0) {
+            throw TypeError('Converting circular structure to JSON5')
+        }
+
+        stack.push(value)
+
+        let stepback = indent
+        indent = indent + gap
+
+        let keys = propertyList || Object.keys(value)
+        let partial = []
+        for (const key of keys) {
+            const propertyString = serializeProperty(key, value)
+            if (propertyString !== undefined) {
+                let member = serializeKey(key) + ':'
+                if (gap !== '') {
+                    member += ' '
+                }
+                member += propertyString
+                partial.push(member)
+            }
+        }
+
+        let final
+        if (partial.length === 0) {
+            final = '{}'
+        } else {
+            let properties
+            if (gap === '') {
+                properties = partial.join(',')
+                final = '{' + properties + '}'
+            } else {
+                let separator = ',\n' + indent
+                properties = partial.join(separator)
+                final = '{\n' + indent + properties + ',\n' + stepback + '}'
+            }
+        }
+
+        stack.pop()
+        indent = stepback
+        return final
+    }
+
+    function serializeKey (key) {
+        if (key.length === 0) {
+            return quoteString(key, true)
+        }
+
+        const firstChar = String.fromCodePoint(key.codePointAt(0))
+        if (!util.isIdStartChar(firstChar)) {
+            return quoteString(key, true)
+        }
+
+        for (let i = firstChar.length; i < key.length; i++) {
+            if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) {
+                return quoteString(key, true)
+            }
+        }
+
+        return key
+    }
+
+    function serializeArray (value) {
+        if (stack.indexOf(value) >= 0) {
+            throw TypeError('Converting circular structure to JSON5')
+        }
+
+        stack.push(value)
+
+        let stepback = indent
+        indent = indent + gap
+
+        let partial = []
+        for (let i = 0; i < value.length; i++) {
+            const propertyString = serializeProperty(String(i), value)
+            partial.push((propertyString !== undefined) ? propertyString : 'null')
+        }
+
+        let final
+        if (partial.length === 0) {
+            final = '[]'
+        } else {
+            if (gap === '') {
+                let properties = partial.join(',')
+                final = '[' + properties + ']'
+            } else {
+                let separator = ',\n' + indent
+                let properties = partial.join(separator)
+                final = '[\n' + indent + properties + ',\n' + stepback + ']'
+            }
+        }
+
+        stack.pop()
+        indent = stepback
+        return final
+    }
+}
diff --git a/node_modules/raw-loader/node_modules/json5/lib/unicode.d.ts b/node_modules/raw-loader/node_modules/json5/lib/unicode.d.ts
new file mode 100644
index 00000000..610f8057
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/unicode.d.ts
@@ -0,0 +1,3 @@
+export declare const Space_Separator: RegExp
+export declare const ID_Start: RegExp
+export declare const ID_Continue: RegExp
diff --git a/node_modules/raw-loader/node_modules/json5/lib/unicode.js b/node_modules/raw-loader/node_modules/json5/lib/unicode.js
new file mode 100644
index 00000000..215ccd84
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/unicode.js
@@ -0,0 +1,4 @@
+// This is a generated file. Do not edit.
+module.exports.Space_Separator = /[\u1680\u2000-\u200A\u202F\u205F\u3000]/
+module.exports.ID_Start = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1C80-\u1C88\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD80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+module.exports.ID_Continue = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF9\u1D00-\u1DF9\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\u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diff --git a/node_modules/raw-loader/node_modules/json5/lib/util.d.ts b/node_modules/raw-loader/node_modules/json5/lib/util.d.ts
new file mode 100644
index 00000000..a940cead
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/util.d.ts
@@ -0,0 +1,5 @@
+export declare function isSpaceSeparator(c?: string): boolean
+export declare function isIdStartChar(c?: string): boolean
+export declare function isIdContinueChar(c?: string): boolean
+export declare function isDigit(c?: string): boolean
+export declare function isHexDigit(c?: string): boolean
diff --git a/node_modules/raw-loader/node_modules/json5/lib/util.js b/node_modules/raw-loader/node_modules/json5/lib/util.js
new file mode 100644
index 00000000..40bfe2fa
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/lib/util.js
@@ -0,0 +1,35 @@
+const unicode = require('../lib/unicode')
+
+module.exports = {
+    isSpaceSeparator (c) {
+        return typeof c === 'string' && unicode.Space_Separator.test(c)
+    },
+
+    isIdStartChar (c) {
+        return typeof c === 'string' && (
+            (c >= 'a' && c <= 'z') ||
+        (c >= 'A' && c <= 'Z') ||
+        (c === '$') || (c === '_') ||
+        unicode.ID_Start.test(c)
+        )
+    },
+
+    isIdContinueChar (c) {
+        return typeof c === 'string' && (
+            (c >= 'a' && c <= 'z') ||
+        (c >= 'A' && c <= 'Z') ||
+        (c >= '0' && c <= '9') ||
+        (c === '$') || (c === '_') ||
+        (c === '\u200C') || (c === '\u200D') ||
+        unicode.ID_Continue.test(c)
+        )
+    },
+
+    isDigit (c) {
+        return typeof c === 'string' && /[0-9]/.test(c)
+    },
+
+    isHexDigit (c) {
+        return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
+    },
+}
diff --git a/node_modules/raw-loader/node_modules/json5/package.json b/node_modules/raw-loader/node_modules/json5/package.json
new file mode 100644
index 00000000..60c51d93
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/json5/package.json
@@ -0,0 +1,72 @@
+{
+  "name": "json5",
+  "version": "2.2.3",
+  "description": "JSON for Humans",
+  "main": "lib/index.js",
+  "module": "dist/index.mjs",
+  "bin": "lib/cli.js",
+  "browser": "dist/index.js",
+  "types": "lib/index.d.ts",
+  "files": [
+    "lib/",
+    "dist/"
+  ],
+  "engines": {
+    "node": ">=6"
+  },
+  "scripts": {
+    "build": "rollup -c",
+    "build-package": "node build/package.js",
+    "build-unicode": "node build/unicode.js",
+    "coverage": "tap --coverage-report html test",
+    "lint": "eslint --fix .",
+    "lint-report": "eslint .",
+    "prepublishOnly": "npm run production",
+    "preversion": "npm run production",
+    "production": "run-s test build",
+    "tap": "tap -Rspec --100 test",
+    "test": "run-s lint-report tap",
+    "version": "npm run build-package && git add package.json5"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/json5/json5.git"
+  },
+  "keywords": [
+    "json",
+    "json5",
+    "es5",
+    "es2015",
+    "ecmascript"
+  ],
+  "author": "Aseem Kishore <aseem.kishore@gmail.com>",
+  "contributors": [
+    "Max Nanasy <max.nanasy@gmail.com>",
+    "Andrew Eisenberg <andrew@eisenberg.as>",
+    "Jordan Tucker <jordanbtucker@gmail.com>"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/json5/json5/issues"
+  },
+  "homepage": "http://json5.org/",
+  "devDependencies": {
+    "core-js": "^2.6.5",
+    "eslint": "^5.15.3",
+    "eslint-config-standard": "^12.0.0",
+    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-promise": "^4.0.1",
+    "eslint-plugin-standard": "^4.0.0",
+    "npm-run-all": "^4.1.5",
+    "regenerate": "^1.4.0",
+    "rollup": "^0.64.1",
+    "rollup-plugin-buble": "^0.19.6",
+    "rollup-plugin-commonjs": "^9.2.1",
+    "rollup-plugin-node-resolve": "^3.4.0",
+    "rollup-plugin-terser": "^1.0.1",
+    "sinon": "^6.3.5",
+    "tap": "^12.6.0",
+    "unicode-10.0.0": "^0.7.5"
+  }
+}
diff --git a/node_modules/raw-loader/node_modules/loader-utils/LICENSE b/node_modules/raw-loader/node_modules/loader-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/raw-loader/node_modules/loader-utils/README.md b/node_modules/raw-loader/node_modules/loader-utils/README.md
new file mode 100644
index 00000000..affda6e5
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/README.md
@@ -0,0 +1,275 @@
+# loader-utils
+
+## Methods
+
+### `getOptions`
+
+Recommended way to retrieve the options of a loader invocation:
+
+```javascript
+// inside your loader
+const options = loaderUtils.getOptions(this);
+```
+
+1. If `this.query` is a string:
+	- Tries to parse the query string and returns a new object
+	- Throws if it's not a valid query string
+2. If `this.query` is object-like, it just returns `this.query`
+3. In any other case, it just returns `null`
+
+**Please note:** The returned `options` object is *read-only*. It may be re-used across multiple invocations.
+If you pass it on to another library, make sure to make a *deep copy* of it:
+
+```javascript
+const options = Object.assign(
+	{},
+	defaultOptions,
+	loaderUtils.getOptions(this) // it is safe to pass null to Object.assign()
+);
+// don't forget nested objects or arrays
+options.obj = Object.assign({}, options.obj); 
+options.arr = options.arr.slice();
+someLibrary(options);
+```
+
+[clone](https://www.npmjs.com/package/clone) is a good library to make a deep copy of the options.
+
+#### Options as query strings
+
+If the loader options have been passed as loader query string (`loader?some&params`), the string is parsed by using [`parseQuery`](#parsequery).
+
+### `parseQuery`
+
+Parses a passed string (e.g. `loaderContext.resourceQuery`) as a query string, and returns an object.
+
+``` javascript
+const params = loaderUtils.parseQuery(this.resourceQuery); // resource: `file?param1=foo`
+if (params.param1 === "foo") {
+	// do something
+}
+```
+
+The string is parsed like this:
+
+``` text
+                             -> Error
+?                            -> {}
+?flag                        -> { flag: true }
+?+flag                       -> { flag: true }
+?-flag                       -> { flag: false }
+?xyz=test                    -> { xyz: "test" }
+?xyz=1                       -> { xyz: "1" } // numbers are NOT parsed
+?xyz[]=a                     -> { xyz: ["a"] }
+?flag1&flag2                 -> { flag1: true, flag2: true }
+?+flag1,-flag2               -> { flag1: true, flag2: false }
+?xyz[]=a,xyz[]=b             -> { xyz: ["a", "b"] }
+?a%2C%26b=c%2C%26d           -> { "a,&b": "c,&d" }
+?{data:{a:1},isJSON5:true}   -> { data: { a: 1 }, isJSON5: true }
+```
+
+### `stringifyRequest`
+
+Turns a request into a string that can be used inside `require()` or `import` while avoiding absolute paths.
+Use it instead of `JSON.stringify(...)` if you're generating code inside a loader.
+
+**Why is this necessary?** Since webpack calculates the hash before module paths are translated into module ids, we must avoid absolute paths to ensure
+consistent hashes across different compilations.
+
+This function:
+
+- resolves absolute requests into relative requests if the request and the module are on the same hard drive
+- replaces `\` with `/` if the request and the module are on the same hard drive
+- won't change the path at all if the request and the module are on different hard drives
+- applies `JSON.stringify` to the result
+
+```javascript
+loaderUtils.stringifyRequest(this, "./test.js");
+// "\"./test.js\""
+
+loaderUtils.stringifyRequest(this, ".\\test.js");
+// "\"./test.js\""
+
+loaderUtils.stringifyRequest(this, "test");
+// "\"test\""
+
+loaderUtils.stringifyRequest(this, "test/lib/index.js");
+// "\"test/lib/index.js\""
+
+loaderUtils.stringifyRequest(this, "otherLoader?andConfig!test?someConfig");
+// "\"otherLoader?andConfig!test?someConfig\""
+
+loaderUtils.stringifyRequest(this, require.resolve("test"));
+// "\"../node_modules/some-loader/lib/test.js\""
+
+loaderUtils.stringifyRequest(this, "C:\\module\\test.js");
+// "\"../../test.js\"" (on Windows, in case the module and the request are on the same drive)
+
+loaderUtils.stringifyRequest(this, "C:\\module\\test.js");
+// "\"C:\\module\\test.js\"" (on Windows, in case the module and the request are on different drives)
+
+loaderUtils.stringifyRequest(this, "\\\\network-drive\\test.js");
+// "\"\\\\network-drive\\\\test.js\"" (on Windows, in case the module and the request are on different drives)
+```
+
+### `urlToRequest`
+
+Converts some resource URL to a webpack module request.
+
+> i Before call `urlToRequest` you need call `isUrlRequest` to ensure it is requestable url
+
+```javascript
+const url = "path/to/module.js";
+
+if (loaderUtils.isUrlRequest(url)) {
+  // Logic for requestable url
+  const request = loaderUtils.urlToRequest(url);
+} else {
+  // Logic for not requestable url
+}
+```
+
+Simple example:
+
+```javascript
+const url = "path/to/module.js";
+const request = loaderUtils.urlToRequest(url); // "./path/to/module.js"
+```
+
+#### Module URLs
+
+Any URL containing a `~` will be interpreted as a module request. Anything after the `~` will be considered the request path.
+
+```javascript
+const url = "~path/to/module.js";
+const request = loaderUtils.urlToRequest(url); // "path/to/module.js"
+```
+
+#### Root-relative URLs
+
+URLs that are root-relative (start with `/`) can be resolved relative to some arbitrary path by using the `root` parameter:
+
+```javascript
+const url = "/path/to/module.js";
+const root = "./root";
+const request = loaderUtils.urlToRequest(url, root); // "./root/path/to/module.js"
+```
+
+To convert a root-relative URL into a module URL, specify a `root` value that starts with `~`:
+
+```javascript
+const url = "/path/to/module.js";
+const root = "~";
+const request = loaderUtils.urlToRequest(url, root); // "path/to/module.js"
+```
+
+### `interpolateName`
+
+Interpolates a filename template using multiple placeholders and/or a regular expression.
+The template and regular expression are set as query params called `name` and `regExp` on the current loader's context.
+
+```javascript
+const interpolatedName = loaderUtils.interpolateName(loaderContext, name, options);
+```
+
+The following tokens are replaced in the `name` parameter:
+
+* `[ext]` the extension of the resource
+* `[name]` the basename of the resource
+* `[path]` the path of the resource relative to the `context` query parameter or option.
+* `[folder]` the folder the resource is in
+* `[query]` the queryof the resource, i.e. `?foo=bar`
+* `[emoji]` a random emoji representation of `options.content`
+* `[emoji:<length>]` same as above, but with a customizable number of emojis
+* `[contenthash]` the hash of `options.content` (Buffer) (by default it's the hex digest of the md4 hash)
+* `[<hashType>:contenthash:<digestType>:<length>]` optionally one can configure
+  * other `hashType`s, i. e. `sha1`, `md4`, `md5`, `sha256`, `sha512`
+  * other `digestType`s, i. e. `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+  * and `length` the length in chars
+* `[hash]` the hash of `options.content` (Buffer) (by default it's the hex digest of the md4 hash)
+* `[<hashType>:hash:<digestType>:<length>]` optionally one can configure
+  * other `hashType`s, i. e. `sha1`, `md4`, `md5`, `sha256`, `sha512`
+  * other `digestType`s, i. e. `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+  * and `length` the length in chars
+* `[N]` the N-th match obtained from matching the current file name against `options.regExp`
+
+In loader context `[hash]` and `[contenthash]` are the same, but we recommend using `[contenthash]` for avoid misleading.
+
+Examples
+
+``` javascript
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+loaderUtils.interpolateName(loaderContext, "js/[hash].script.[ext]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+// loaderContext.resourceQuery = "?foo=bar"
+loaderUtils.interpolateName(loaderContext, "js/[hash].script.[ext][query]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js?foo=bar
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+loaderUtils.interpolateName(loaderContext, "js/[contenthash].script.[ext]", { content: ... });
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/page.html"
+loaderUtils.interpolateName(loaderContext, "html-[hash:6].html", { content: ... });
+// => html-9473fd.html
+
+// loaderContext.resourcePath = "/absolute/path/to/app/flash.txt"
+loaderUtils.interpolateName(loaderContext, "[hash]", { content: ... });
+// => c31e9820c001c9c4a86bce33ce43b679
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.gif"
+loaderUtils.interpolateName(loaderContext, "[emoji]", { content: ... });
+// => 👍
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.gif"
+loaderUtils.interpolateName(loaderContext, "[emoji:4]", { content: ... });
+// => 🙍🏢📤🐝
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/image.png"
+loaderUtils.interpolateName(loaderContext, "[sha512:hash:base64:7].[ext]", { content: ... });
+// => 2BKDTjl.png
+// use sha512 hash instead of md4 and with only 7 chars of base64
+
+// loaderContext.resourcePath = "/absolute/path/to/app/img/myself.png"
+// loaderContext.query.name =
+loaderUtils.interpolateName(loaderContext, "picture.png");
+// => picture.png
+
+// loaderContext.resourcePath = "/absolute/path/to/app/dir/file.png"
+loaderUtils.interpolateName(loaderContext, "[path][name].[ext]?[hash]", { content: ... });
+// => /app/dir/file.png?9473fdd0d880a43c21b7778d34872157
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/page-home.js"
+loaderUtils.interpolateName(loaderContext, "script-[1].[ext]", { regExp: "page-(.*)\\.js", content: ... });
+// => script-home.js
+
+// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"
+// loaderContext.resourceQuery = "?foo=bar"
+loaderUtils.interpolateName(
+  loaderContext, 
+  (resourcePath, resourceQuery) => { 
+    // resourcePath - `/app/js/javascript.js`
+    // resourceQuery - `?foo=bar`
+
+    return "js/[hash].script.[ext]"; 
+  }, 
+  { content: ... }
+);
+// => js/9473fdd0d880a43c21b7778d34872157.script.js
+```
+
+### `getHashDigest`
+
+``` javascript
+const digestString = loaderUtils.getHashDigest(buffer, hashType, digestType, maxLength);
+```
+
+* `buffer` the content that should be hashed
+* `hashType` one of `sha1`, `md4`, `md5`, `sha256`, `sha512` or any other node.js supported hash type
+* `digestType` one of `hex`, `base26`, `base32`, `base36`, `base49`, `base52`, `base58`, `base62`, `base64`
+* `maxLength` the maximum length in chars
+
+## License
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/getCurrentRequest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/getCurrentRequest.js
new file mode 100644
index 00000000..48185632
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/getCurrentRequest.js
@@ -0,0 +1,16 @@
+'use strict';
+
+function getCurrentRequest(loaderContext) {
+  if (loaderContext.currentRequest) {
+    return loaderContext.currentRequest;
+  }
+
+  const request = loaderContext.loaders
+    .slice(loaderContext.loaderIndex)
+    .map((obj) => obj.request)
+    .concat([loaderContext.resource]);
+
+  return request.join('!');
+}
+
+module.exports = getCurrentRequest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/getHashDigest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/getHashDigest.js
new file mode 100644
index 00000000..7098f068
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/getHashDigest.js
@@ -0,0 +1,91 @@
+'use strict';
+
+const baseEncodeTables = {
+  26: 'abcdefghijklmnopqrstuvwxyz',
+  32: '123456789abcdefghjkmnpqrstuvwxyz', // no 0lio
+  36: '0123456789abcdefghijklmnopqrstuvwxyz',
+  49: 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ', // no lIO
+  52: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  58: '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ', // no 0lIO
+  62: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  64: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_',
+};
+
+function encodeBufferToBase(buffer, base) {
+  const encodeTable = baseEncodeTables[base];
+  if (!encodeTable) {
+    throw new Error('Unknown encoding base' + base);
+  }
+
+  const readLength = buffer.length;
+  const Big = require('big.js');
+
+  Big.RM = Big.DP = 0;
+  let b = new Big(0);
+
+  for (let i = readLength - 1; i >= 0; i--) {
+    b = b.times(256).plus(buffer[i]);
+  }
+
+  let output = '';
+  while (b.gt(0)) {
+    output = encodeTable[b.mod(base)] + output;
+    b = b.div(base);
+  }
+
+  Big.DP = 20;
+  Big.RM = 1;
+
+  return output;
+}
+
+let createMd4 = undefined;
+let BatchedHash = undefined;
+
+function getHashDigest(buffer, hashType, digestType, maxLength) {
+  hashType = hashType || 'md4';
+  maxLength = maxLength || 9999;
+
+  let hash;
+
+  try {
+    hash = require('crypto').createHash(hashType);
+  } catch (error) {
+    if (error.code === 'ERR_OSSL_EVP_UNSUPPORTED' && hashType === 'md4') {
+      if (createMd4 === undefined) {
+        createMd4 = require('./hash/md4');
+
+        if (BatchedHash === undefined) {
+          BatchedHash = require('./hash/BatchedHash');
+        }
+      }
+
+      hash = new BatchedHash(createMd4());
+    }
+
+    if (!hash) {
+      throw error;
+    }
+  }
+
+  hash.update(buffer);
+
+  if (
+    digestType === 'base26' ||
+    digestType === 'base32' ||
+    digestType === 'base36' ||
+    digestType === 'base49' ||
+    digestType === 'base52' ||
+    digestType === 'base58' ||
+    digestType === 'base62'
+  ) {
+    return encodeBufferToBase(hash.digest(), digestType.substr(4)).substr(
+      0,
+      maxLength
+    );
+  } else {
+    return hash.digest(digestType || 'hex').substr(0, maxLength);
+  }
+}
+
+module.exports = getHashDigest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/getOptions.js b/node_modules/raw-loader/node_modules/loader-utils/lib/getOptions.js
new file mode 100644
index 00000000..d849d038
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/getOptions.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const parseQuery = require('./parseQuery');
+
+function getOptions(loaderContext) {
+  const query = loaderContext.query;
+
+  if (typeof query === 'string' && query !== '') {
+    return parseQuery(loaderContext.query);
+  }
+
+  if (!query || typeof query !== 'object') {
+    // Not object-like queries are not supported.
+    return {};
+  }
+
+  return query;
+}
+
+module.exports = getOptions;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/getRemainingRequest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/getRemainingRequest.js
new file mode 100644
index 00000000..5839b2fa
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/getRemainingRequest.js
@@ -0,0 +1,16 @@
+'use strict';
+
+function getRemainingRequest(loaderContext) {
+  if (loaderContext.remainingRequest) {
+    return loaderContext.remainingRequest;
+  }
+
+  const request = loaderContext.loaders
+    .slice(loaderContext.loaderIndex + 1)
+    .map((obj) => obj.request)
+    .concat([loaderContext.resource]);
+
+  return request.join('!');
+}
+
+module.exports = getRemainingRequest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/hash/BatchedHash.js b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/BatchedHash.js
new file mode 100644
index 00000000..6ec6a441
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/BatchedHash.js
@@ -0,0 +1,64 @@
+const MAX_SHORT_STRING = require('./wasm-hash').MAX_SHORT_STRING;
+
+class BatchedHash {
+  constructor(hash) {
+    this.string = undefined;
+    this.encoding = undefined;
+    this.hash = hash;
+  }
+
+  /**
+   * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
+   * @param {string|Buffer} data data
+   * @param {string=} inputEncoding data encoding
+   * @returns {this} updated hash
+   */
+  update(data, inputEncoding) {
+    if (this.string !== undefined) {
+      if (
+        typeof data === 'string' &&
+        inputEncoding === this.encoding &&
+        this.string.length + data.length < MAX_SHORT_STRING
+      ) {
+        this.string += data;
+
+        return this;
+      }
+
+      this.hash.update(this.string, this.encoding);
+      this.string = undefined;
+    }
+
+    if (typeof data === 'string') {
+      if (
+        data.length < MAX_SHORT_STRING &&
+        // base64 encoding is not valid since it may contain padding chars
+        (!inputEncoding || !inputEncoding.startsWith('ba'))
+      ) {
+        this.string = data;
+        this.encoding = inputEncoding;
+      } else {
+        this.hash.update(data, inputEncoding);
+      }
+    } else {
+      this.hash.update(data);
+    }
+
+    return this;
+  }
+
+  /**
+   * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
+   * @param {string=} encoding encoding of the return value
+   * @returns {string|Buffer} digest
+   */
+  digest(encoding) {
+    if (this.string !== undefined) {
+      this.hash.update(this.string, this.encoding);
+    }
+
+    return this.hash.digest(encoding);
+  }
+}
+
+module.exports = BatchedHash;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/hash/md4.js b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/md4.js
new file mode 100644
index 00000000..d4b0b558
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/md4.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+'use strict';
+
+const create = require('./wasm-hash');
+
+//#region wasm code: md4 (../../../assembly/hash/md4.asm.ts) --initialMemory 1
+const md4 = new WebAssembly.Module(
+  Buffer.from(
+    // 2150 bytes
+    'AGFzbQEAAAABCAJgAX8AYAAAAwUEAQAAAAUDAQABBhoFfwFBAAt/AUEAC38BQQALfwFBAAt/AUEACwciBARpbml0AAAGdXBkYXRlAAIFZmluYWwAAwZtZW1vcnkCAAqFEAQmAEGBxpS6BiQBQYnXtv5+JAJB/rnrxXkkA0H2qMmBASQEQQAkAAvMCgEYfyMBIQojAiEGIwMhByMEIQgDQCAAIAVLBEAgBSgCCCINIAcgBiAFKAIEIgsgCCAHIAUoAgAiDCAKIAggBiAHIAhzcXNqakEDdyIDIAYgB3Nxc2pqQQd3IgEgAyAGc3FzampBC3chAiAFKAIUIg8gASACIAUoAhAiCSADIAEgBSgCDCIOIAYgAyACIAEgA3Nxc2pqQRN3IgQgASACc3FzampBA3ciAyACIARzcXNqakEHdyEBIAUoAiAiEiADIAEgBSgCHCIRIAQgAyAFKAIYIhAgAiAEIAEgAyAEc3FzampBC3ciAiABIANzcXNqakETdyIEIAEgAnNxc2pqQQN3IQMgBSgCLCIVIAQgAyAFKAIoIhQgAiAEIAUoAiQiEyABIAIgAyACIARzcXNqakEHdyIBIAMgBHNxc2pqQQt3IgIgASADc3FzampBE3chBCAPIBAgCSAVIBQgEyAFKAI4IhYgAiAEIAUoAjQiFyABIAIgBSgCMCIYIAMgASAEIAEgAnNxc2pqQQN3IgEgAiAEc3FzampBB3ciAiABIARzcXNqakELdyIDIAkgAiAMIAEgBSgCPCIJIAQgASADIAEgAnNxc2pqQRN3IgEgAiADcnEgAiADcXJqakGZ84nUBWpBA3ciAiABIANycSABIANxcmpqQZnzidQFakEFdyIEIAEgAnJxIAEgAnFyaiASakGZ84nUBWpBCXciAyAPIAQgCyACIBggASADIAIgBHJxIAIgBHFyampBmfOJ1AVqQQ13IgEgAyAEcnEgAyAEcXJqakGZ84nUBWpBA3ciAiABIANycSABIANxcmpqQZnzidQFakEFdyIEIAEgAnJxIAEgAnFyampBmfOJ1AVqQQl3IgMgECAEIAIgFyABIAMgAiAEcnEgAiAEcXJqakGZ84nUBWpBDXciASADIARycSADIARxcmogDWpBmfOJ1AVqQQN3IgIgASADcnEgASADcXJqakGZ84nUBWpBBXciBCABIAJycSABIAJxcmpqQZnzidQFakEJdyIDIBEgBCAOIAIgFiABIAMgAiAEcnEgAiAEcXJqakGZ84nUBWpBDXciASADIARycSADIARxcmpqQZnzidQFakEDdyICIAEgA3JxIAEgA3FyampBmfOJ1AVqQQV3IgQgASACcnEgASACcXJqakGZ84nUBWpBCXciAyAMIAIgAyAJIAEgAyACIARycSACIARxcmpqQZnzidQFakENdyIBcyAEc2pqQaHX5/YGakEDdyICIAQgASACcyADc2ogEmpBodfn9gZqQQl3IgRzIAFzampBodfn9gZqQQt3IgMgAiADIBggASADIARzIAJzampBodfn9gZqQQ93IgFzIARzaiANakGh1+f2BmpBA3ciAiAUIAQgASACcyADc2pqQaHX5/YGakEJdyIEcyABc2pqQaHX5/YGakELdyIDIAsgAiADIBYgASADIARzIAJzampBodfn9gZqQQ93IgFzIARzampBodfn9gZqQQN3IgIgEyAEIAEgAnMgA3NqakGh1+f2BmpBCXciBHMgAXNqakGh1+f2BmpBC3chAyAKIA4gAiADIBcgASADIARzIAJzampBodfn9gZqQQ93IgFzIARzampBodfn9gZqQQN3IgJqIQogBiAJIAEgESADIAIgFSAEIAEgAnMgA3NqakGh1+f2BmpBCXciBHMgAXNqakGh1+f2BmpBC3ciAyAEcyACc2pqQaHX5/YGakEPd2ohBiADIAdqIQcgBCAIaiEIIAVBQGshBQwBCwsgCiQBIAYkAiAHJAMgCCQECw0AIAAQASMAIABqJAAL/wQCA38BfiMAIABqrUIDhiEEIABByABqQUBxIgJBCGshAyAAIgFBAWohACABQYABOgAAA0AgACACSUEAIABBB3EbBEAgAEEAOgAAIABBAWohAAwBCwsDQCAAIAJJBEAgAEIANwMAIABBCGohAAwBCwsgAyAENwMAIAIQAUEAIwGtIgRC//8DgyAEQoCA/P8Pg0IQhoQiBEL/gYCA8B+DIARCgP6DgIDgP4NCCIaEIgRCj4C8gPCBwAeDQgiGIARC8IHAh4CegPgAg0IEiIQiBEKGjJiw4MCBgwZ8QgSIQoGChIiQoMCAAYNCJ34gBEKw4MCBg4aMmDCEfDcDAEEIIwKtIgRC//8DgyAEQoCA/P8Pg0IQhoQiBEL/gYCA8B+DIARCgP6DgIDgP4NCCIaEIgRCj4C8gPCBwAeDQgiGIARC8IHAh4CegPgAg0IEiIQiBEKGjJiw4MCBgwZ8QgSIQoGChIiQoMCAAYNCJ34gBEKw4MCBg4aMmDCEfDcDAEEQIwOtIgRC//8DgyAEQoCA/P8Pg0IQhoQiBEL/gYCA8B+DIARCgP6DgIDgP4NCCIaEIgRCj4C8gPCBwAeDQgiGIARC8IHAh4CegPgAg0IEiIQiBEKGjJiw4MCBgwZ8QgSIQoGChIiQoMCAAYNCJ34gBEKw4MCBg4aMmDCEfDcDAEEYIwStIgRC//8DgyAEQoCA/P8Pg0IQhoQiBEL/gYCA8B+DIARCgP6DgIDgP4NCCIaEIgRCj4C8gPCBwAeDQgiGIARC8IHAh4CegPgAg0IEiIQiBEKGjJiw4MCBgwZ8QgSIQoGChIiQoMCAAYNCJ34gBEKw4MCBg4aMmDCEfDcDAAs=',
+    'base64'
+  )
+);
+//#endregion
+
+module.exports = create.bind(null, md4, [], 64, 32);
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/hash/wasm-hash.js b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/wasm-hash.js
new file mode 100644
index 00000000..d8f2817a
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/hash/wasm-hash.js
@@ -0,0 +1,208 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+'use strict';
+
+// 65536 is the size of a wasm memory page
+// 64 is the maximum chunk size for every possible wasm hash implementation
+// 4 is the maximum number of bytes per char for string encoding (max is utf-8)
+// ~3 makes sure that it's always a block of 4 chars, so avoid partially encoded bytes for base64
+const MAX_SHORT_STRING = Math.floor((65536 - 64) / 4) & ~3;
+
+class WasmHash {
+  /**
+   * @param {WebAssembly.Instance} instance wasm instance
+   * @param {WebAssembly.Instance[]} instancesPool pool of instances
+   * @param {number} chunkSize size of data chunks passed to wasm
+   * @param {number} digestSize size of digest returned by wasm
+   */
+  constructor(instance, instancesPool, chunkSize, digestSize) {
+    const exports = /** @type {any} */ (instance.exports);
+
+    exports.init();
+
+    this.exports = exports;
+    this.mem = Buffer.from(exports.memory.buffer, 0, 65536);
+    this.buffered = 0;
+    this.instancesPool = instancesPool;
+    this.chunkSize = chunkSize;
+    this.digestSize = digestSize;
+  }
+
+  reset() {
+    this.buffered = 0;
+    this.exports.init();
+  }
+
+  /**
+   * @param {Buffer | string} data data
+   * @param {BufferEncoding=} encoding encoding
+   * @returns {this} itself
+   */
+  update(data, encoding) {
+    if (typeof data === 'string') {
+      while (data.length > MAX_SHORT_STRING) {
+        this._updateWithShortString(data.slice(0, MAX_SHORT_STRING), encoding);
+        data = data.slice(MAX_SHORT_STRING);
+      }
+
+      this._updateWithShortString(data, encoding);
+
+      return this;
+    }
+
+    this._updateWithBuffer(data);
+
+    return this;
+  }
+
+  /**
+   * @param {string} data data
+   * @param {BufferEncoding=} encoding encoding
+   * @returns {void}
+   */
+  _updateWithShortString(data, encoding) {
+    const { exports, buffered, mem, chunkSize } = this;
+
+    let endPos;
+
+    if (data.length < 70) {
+      if (!encoding || encoding === 'utf-8' || encoding === 'utf8') {
+        endPos = buffered;
+        for (let i = 0; i < data.length; i++) {
+          const cc = data.charCodeAt(i);
+
+          if (cc < 0x80) {
+            mem[endPos++] = cc;
+          } else if (cc < 0x800) {
+            mem[endPos] = (cc >> 6) | 0xc0;
+            mem[endPos + 1] = (cc & 0x3f) | 0x80;
+            endPos += 2;
+          } else {
+            // bail-out for weird chars
+            endPos += mem.write(data.slice(i), endPos, encoding);
+            break;
+          }
+        }
+      } else if (encoding === 'latin1') {
+        endPos = buffered;
+
+        for (let i = 0; i < data.length; i++) {
+          const cc = data.charCodeAt(i);
+
+          mem[endPos++] = cc;
+        }
+      } else {
+        endPos = buffered + mem.write(data, buffered, encoding);
+      }
+    } else {
+      endPos = buffered + mem.write(data, buffered, encoding);
+    }
+
+    if (endPos < chunkSize) {
+      this.buffered = endPos;
+    } else {
+      const l = endPos & ~(this.chunkSize - 1);
+
+      exports.update(l);
+
+      const newBuffered = endPos - l;
+
+      this.buffered = newBuffered;
+
+      if (newBuffered > 0) {
+        mem.copyWithin(0, l, endPos);
+      }
+    }
+  }
+
+  /**
+   * @param {Buffer} data data
+   * @returns {void}
+   */
+  _updateWithBuffer(data) {
+    const { exports, buffered, mem } = this;
+    const length = data.length;
+
+    if (buffered + length < this.chunkSize) {
+      data.copy(mem, buffered, 0, length);
+
+      this.buffered += length;
+    } else {
+      const l = (buffered + length) & ~(this.chunkSize - 1);
+
+      if (l > 65536) {
+        let i = 65536 - buffered;
+
+        data.copy(mem, buffered, 0, i);
+        exports.update(65536);
+
+        const stop = l - buffered - 65536;
+
+        while (i < stop) {
+          data.copy(mem, 0, i, i + 65536);
+          exports.update(65536);
+          i += 65536;
+        }
+
+        data.copy(mem, 0, i, l - buffered);
+
+        exports.update(l - buffered - i);
+      } else {
+        data.copy(mem, buffered, 0, l - buffered);
+
+        exports.update(l);
+      }
+
+      const newBuffered = length + buffered - l;
+
+      this.buffered = newBuffered;
+
+      if (newBuffered > 0) {
+        data.copy(mem, 0, length - newBuffered, length);
+      }
+    }
+  }
+
+  digest(type) {
+    const { exports, buffered, mem, digestSize } = this;
+
+    exports.final(buffered);
+
+    this.instancesPool.push(this);
+
+    const hex = mem.toString('latin1', 0, digestSize);
+
+    if (type === 'hex') {
+      return hex;
+    }
+
+    if (type === 'binary' || !type) {
+      return Buffer.from(hex, 'hex');
+    }
+
+    return Buffer.from(hex, 'hex').toString(type);
+  }
+}
+
+const create = (wasmModule, instancesPool, chunkSize, digestSize) => {
+  if (instancesPool.length > 0) {
+    const old = instancesPool.pop();
+
+    old.reset();
+
+    return old;
+  } else {
+    return new WasmHash(
+      new WebAssembly.Instance(wasmModule),
+      instancesPool,
+      chunkSize,
+      digestSize
+    );
+  }
+};
+
+module.exports = create;
+module.exports.MAX_SHORT_STRING = MAX_SHORT_STRING;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/index.js b/node_modules/raw-loader/node_modules/loader-utils/lib/index.js
new file mode 100644
index 00000000..25913106
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/index.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const getOptions = require('./getOptions');
+const parseQuery = require('./parseQuery');
+const stringifyRequest = require('./stringifyRequest');
+const getRemainingRequest = require('./getRemainingRequest');
+const getCurrentRequest = require('./getCurrentRequest');
+const isUrlRequest = require('./isUrlRequest');
+const urlToRequest = require('./urlToRequest');
+const parseString = require('./parseString');
+const getHashDigest = require('./getHashDigest');
+const interpolateName = require('./interpolateName');
+
+exports.getOptions = getOptions;
+exports.parseQuery = parseQuery;
+exports.stringifyRequest = stringifyRequest;
+exports.getRemainingRequest = getRemainingRequest;
+exports.getCurrentRequest = getCurrentRequest;
+exports.isUrlRequest = isUrlRequest;
+exports.urlToRequest = urlToRequest;
+exports.parseString = parseString;
+exports.getHashDigest = getHashDigest;
+exports.interpolateName = interpolateName;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/interpolateName.js b/node_modules/raw-loader/node_modules/loader-utils/lib/interpolateName.js
new file mode 100644
index 00000000..0cd39326
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/interpolateName.js
@@ -0,0 +1,151 @@
+'use strict';
+
+const path = require('path');
+const emojisList = require('emojis-list');
+const getHashDigest = require('./getHashDigest');
+
+const emojiRegex = /[\uD800-\uDFFF]./;
+const emojiList = emojisList.filter((emoji) => emojiRegex.test(emoji));
+const emojiCache = {};
+
+function encodeStringToEmoji(content, length) {
+  if (emojiCache[content]) {
+    return emojiCache[content];
+  }
+
+  length = length || 1;
+
+  const emojis = [];
+
+  do {
+    if (!emojiList.length) {
+      throw new Error('Ran out of emoji');
+    }
+
+    const index = Math.floor(Math.random() * emojiList.length);
+
+    emojis.push(emojiList[index]);
+    emojiList.splice(index, 1);
+  } while (--length > 0);
+
+  const emojiEncoding = emojis.join('');
+
+  emojiCache[content] = emojiEncoding;
+
+  return emojiEncoding;
+}
+
+function interpolateName(loaderContext, name, options) {
+  let filename;
+
+  const hasQuery =
+    loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1;
+
+  if (typeof name === 'function') {
+    filename = name(
+      loaderContext.resourcePath,
+      hasQuery ? loaderContext.resourceQuery : undefined
+    );
+  } else {
+    filename = name || '[hash].[ext]';
+  }
+
+  const context = options.context;
+  const content = options.content;
+  const regExp = options.regExp;
+
+  let ext = 'bin';
+  let basename = 'file';
+  let directory = '';
+  let folder = '';
+  let query = '';
+
+  if (loaderContext.resourcePath) {
+    const parsed = path.parse(loaderContext.resourcePath);
+    let resourcePath = loaderContext.resourcePath;
+
+    if (parsed.ext) {
+      ext = parsed.ext.substr(1);
+    }
+
+    if (parsed.dir) {
+      basename = parsed.name;
+      resourcePath = parsed.dir + path.sep;
+    }
+
+    if (typeof context !== 'undefined') {
+      directory = path
+        .relative(context, resourcePath + '_')
+        .replace(/\\/g, '/')
+        .replace(/\.\.(\/)?/g, '_$1');
+      directory = directory.substr(0, directory.length - 1);
+    } else {
+      directory = resourcePath.replace(/\\/g, '/').replace(/\.\.(\/)?/g, '_$1');
+    }
+
+    if (directory.length === 1) {
+      directory = '';
+    } else if (directory.length > 1) {
+      folder = path.basename(directory);
+    }
+  }
+
+  if (loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1) {
+    query = loaderContext.resourceQuery;
+
+    const hashIdx = query.indexOf('#');
+
+    if (hashIdx >= 0) {
+      query = query.substr(0, hashIdx);
+    }
+  }
+
+  let url = filename;
+
+  if (content) {
+    // Match hash template
+    url = url
+      // `hash` and `contenthash` are same in `loader-utils` context
+      // let's keep `hash` for backward compatibility
+      .replace(
+        /\[(?:([^[:\]]+):)?(?:hash|contenthash)(?::([a-z]+\d*))?(?::(\d+))?\]/gi,
+        (all, hashType, digestType, maxLength) =>
+          getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
+      )
+      .replace(/\[emoji(?::(\d+))?\]/gi, (all, length) =>
+        encodeStringToEmoji(content, parseInt(length, 10))
+      );
+  }
+
+  url = url
+    .replace(/\[ext\]/gi, () => ext)
+    .replace(/\[name\]/gi, () => basename)
+    .replace(/\[path\]/gi, () => directory)
+    .replace(/\[folder\]/gi, () => folder)
+    .replace(/\[query\]/gi, () => query);
+
+  if (regExp && loaderContext.resourcePath) {
+    const match = loaderContext.resourcePath.match(new RegExp(regExp));
+
+    match &&
+      match.forEach((matched, i) => {
+        url = url.replace(new RegExp('\\[' + i + '\\]', 'ig'), matched);
+      });
+  }
+
+  if (
+    typeof loaderContext.options === 'object' &&
+    typeof loaderContext.options.customInterpolateName === 'function'
+  ) {
+    url = loaderContext.options.customInterpolateName.call(
+      loaderContext,
+      url,
+      name,
+      options
+    );
+  }
+
+  return url;
+}
+
+module.exports = interpolateName;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/isUrlRequest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/isUrlRequest.js
new file mode 100644
index 00000000..4592cb1f
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/isUrlRequest.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const path = require('path');
+
+function isUrlRequest(url, root) {
+  // An URL is not an request if
+
+  // 1. It's an absolute url and it is not `windows` path like `C:\dir\file`
+  if (/^[a-z][a-z0-9+.-]*:/i.test(url) && !path.win32.isAbsolute(url)) {
+    return false;
+  }
+
+  // 2. It's a protocol-relative
+  if (/^\/\//.test(url)) {
+    return false;
+  }
+
+  // 3. It's some kind of url for a template
+  if (/^[{}[\]#*;,'§$%&(=?`´^°<>]/.test(url)) {
+    return false;
+  }
+
+  // 4. It's also not an request if root isn't set and it's a root-relative url
+  if ((root === undefined || root === false) && /^\//.test(url)) {
+    return false;
+  }
+
+  return true;
+}
+
+module.exports = isUrlRequest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/parseQuery.js b/node_modules/raw-loader/node_modules/loader-utils/lib/parseQuery.js
new file mode 100644
index 00000000..4a201a2e
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/parseQuery.js
@@ -0,0 +1,69 @@
+'use strict';
+
+const JSON5 = require('json5');
+
+const specialValues = {
+  null: null,
+  true: true,
+  false: false,
+};
+
+function parseQuery(query) {
+  if (query.substr(0, 1) !== '?') {
+    throw new Error(
+      "A valid query string passed to parseQuery should begin with '?'"
+    );
+  }
+
+  query = query.substr(1);
+
+  if (!query) {
+    return {};
+  }
+
+  if (query.substr(0, 1) === '{' && query.substr(-1) === '}') {
+    return JSON5.parse(query);
+  }
+
+  const queryArgs = query.split(/[,&]/g);
+  const result = Object.create(null);
+
+  queryArgs.forEach((arg) => {
+    const idx = arg.indexOf('=');
+
+    if (idx >= 0) {
+      let name = arg.substr(0, idx);
+      let value = decodeURIComponent(arg.substr(idx + 1));
+
+      // eslint-disable-next-line no-prototype-builtins
+      if (specialValues.hasOwnProperty(value)) {
+        value = specialValues[value];
+      }
+
+      if (name.substr(-2) === '[]') {
+        name = decodeURIComponent(name.substr(0, name.length - 2));
+
+        if (!Array.isArray(result[name])) {
+          result[name] = [];
+        }
+
+        result[name].push(value);
+      } else {
+        name = decodeURIComponent(name);
+        result[name] = value;
+      }
+    } else {
+      if (arg.substr(0, 1) === '-') {
+        result[decodeURIComponent(arg.substr(1))] = false;
+      } else if (arg.substr(0, 1) === '+') {
+        result[decodeURIComponent(arg.substr(1))] = true;
+      } else {
+        result[decodeURIComponent(arg)] = true;
+      }
+    }
+  });
+
+  return result;
+}
+
+module.exports = parseQuery;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/parseString.js b/node_modules/raw-loader/node_modules/loader-utils/lib/parseString.js
new file mode 100644
index 00000000..6e36f293
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/parseString.js
@@ -0,0 +1,23 @@
+'use strict';
+
+function parseString(str) {
+  try {
+    if (str[0] === '"') {
+      return JSON.parse(str);
+    }
+
+    if (str[0] === "'" && str.substr(str.length - 1) === "'") {
+      return parseString(
+        str
+          .replace(/\\.|"/g, (x) => (x === '"' ? '\\"' : x))
+          .replace(/^'|'$/g, '"')
+      );
+    }
+
+    return JSON.parse('"' + str + '"');
+  } catch (e) {
+    return str;
+  }
+}
+
+module.exports = parseString;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/stringifyRequest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/stringifyRequest.js
new file mode 100644
index 00000000..9bd55939
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/stringifyRequest.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const path = require('path');
+
+const matchRelativePath = /^\.\.?[/\\]/;
+
+function isAbsolutePath(str) {
+  return path.posix.isAbsolute(str) || path.win32.isAbsolute(str);
+}
+
+function isRelativePath(str) {
+  return matchRelativePath.test(str);
+}
+
+function stringifyRequest(loaderContext, request) {
+  const splitted = request.split('!');
+  const context =
+    loaderContext.context ||
+    (loaderContext.options && loaderContext.options.context);
+
+  return JSON.stringify(
+    splitted
+      .map((part) => {
+        // First, separate singlePath from query, because the query might contain paths again
+        const splittedPart = part.match(/^(.*?)(\?.*)/);
+        const query = splittedPart ? splittedPart[2] : '';
+        let singlePath = splittedPart ? splittedPart[1] : part;
+
+        if (isAbsolutePath(singlePath) && context) {
+          singlePath = path.relative(context, singlePath);
+
+          if (isAbsolutePath(singlePath)) {
+            // If singlePath still matches an absolute path, singlePath was on a different drive than context.
+            // In this case, we leave the path platform-specific without replacing any separators.
+            // @see https://github.com/webpack/loader-utils/pull/14
+            return singlePath + query;
+          }
+
+          if (isRelativePath(singlePath) === false) {
+            // Ensure that the relative path starts at least with ./ otherwise it would be a request into the modules directory (like node_modules).
+            singlePath = './' + singlePath;
+          }
+        }
+
+        return singlePath.replace(/\\/g, '/') + query;
+      })
+      .join('!')
+  );
+}
+
+module.exports = stringifyRequest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/lib/urlToRequest.js b/node_modules/raw-loader/node_modules/loader-utils/lib/urlToRequest.js
new file mode 100644
index 00000000..e2b60d33
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/lib/urlToRequest.js
@@ -0,0 +1,60 @@
+'use strict';
+
+// we can't use path.win32.isAbsolute because it also matches paths starting with a forward slash
+const matchNativeWin32Path = /^[A-Z]:[/\\]|^\\\\/i;
+
+function urlToRequest(url, root) {
+  // Do not rewrite an empty url
+  if (url === '') {
+    return '';
+  }
+
+  const moduleRequestRegex = /^[^?]*~/;
+  let request;
+
+  if (matchNativeWin32Path.test(url)) {
+    // absolute windows path, keep it
+    request = url;
+  } else if (root !== undefined && root !== false && /^\//.test(url)) {
+    // if root is set and the url is root-relative
+    switch (typeof root) {
+      // 1. root is a string: root is prefixed to the url
+      case 'string':
+        // special case: `~` roots convert to module request
+        if (moduleRequestRegex.test(root)) {
+          request = root.replace(/([^~/])$/, '$1/') + url.slice(1);
+        } else {
+          request = root + url;
+        }
+        break;
+      // 2. root is `true`: absolute paths are allowed
+      //    *nix only, windows-style absolute paths are always allowed as they doesn't start with a `/`
+      case 'boolean':
+        request = url;
+        break;
+      default:
+        throw new Error(
+          "Unexpected parameters to loader-utils 'urlToRequest': url = " +
+            url +
+            ', root = ' +
+            root +
+            '.'
+        );
+    }
+  } else if (/^\.\.?\//.test(url)) {
+    // A relative url stays
+    request = url;
+  } else {
+    // every other url is threaded like a relative url
+    request = './' + url;
+  }
+
+  // A `~` makes the url an module
+  if (moduleRequestRegex.test(request)) {
+    request = request.replace(moduleRequestRegex, '');
+  }
+
+  return request;
+}
+
+module.exports = urlToRequest;
diff --git a/node_modules/raw-loader/node_modules/loader-utils/package.json b/node_modules/raw-loader/node_modules/loader-utils/package.json
new file mode 100644
index 00000000..b2c7b482
--- /dev/null
+++ b/node_modules/raw-loader/node_modules/loader-utils/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "loader-utils",
+  "version": "2.0.4",
+  "author": "Tobias Koppers @sokra",
+  "description": "utils for webpack loaders",
+  "dependencies": {
+    "big.js": "^5.2.2",
+    "emojis-list": "^3.0.0",
+    "json5": "^2.1.2"
+  },
+  "scripts": {
+    "lint": "eslint lib test",
+    "pretest": "yarn lint",
+    "test": "jest",
+    "test:ci": "jest --coverage",
+    "release": "yarn test && standard-version"
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/loader-utils.git"
+  },
+  "engines": {
+    "node": ">=8.9.0"
+  },
+  "devDependencies": {
+    "coveralls": "^3.0.9",
+    "eslint": "^6.8.0",
+    "eslint-plugin-node": "^11.0.0",
+    "eslint-plugin-prettier": "^3.1.2",
+    "jest": "^25.1.0",
+    "prettier": "^1.19.1",
+    "standard-version": "^7.1.0"
+  },
+  "main": "lib/index.js",
+  "files": [
+    "lib"
+  ]
+}
diff --git a/node_modules/raw-loader/package.json b/node_modules/raw-loader/package.json
new file mode 100644
index 00000000..4898f28c
--- /dev/null
+++ b/node_modules/raw-loader/package.json
@@ -0,0 +1,75 @@
+{
+  "name": "raw-loader",
+  "version": "4.0.2",
+  "description": "A loader for webpack that allows importing files as a String",
+  "license": "MIT",
+  "repository": "webpack-contrib/raw-loader",
+  "author": "Tobias Koppers @sokra",
+  "homepage": "https://github.com/webpack-contrib/raw-loader",
+  "bugs": "https://github.com/webpack-contrib/raw-loader/issues",
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/webpack"
+  },
+  "main": "dist/cjs.js",
+  "engines": {
+    "node": ">= 10.13.0"
+  },
+  "scripts": {
+    "start": "npm run build -- -w",
+    "clean": "del-cli dist",
+    "prebuild": "npm run clean",
+    "build": "cross-env NODE_ENV=production babel src -d dist --copy-files",
+    "commitlint": "commitlint --from=master",
+    "security": "npm audit",
+    "lint:prettier": "prettier --list-different .",
+    "lint:js": "eslint --cache .",
+    "lint": "npm-run-all -l -p \"lint:**\"",
+    "test:only": "cross-env NODE_ENV=test jest",
+    "test:watch": "npm run test:only -- --watch",
+    "test:coverage": "npm run test:only -- --collectCoverageFrom=\"src/**/*.js\" --coverage",
+    "pretest": "npm run lint",
+    "test": "npm run test:coverage",
+    "prepare": "npm run build",
+    "release": "standard-version",
+    "defaults": "webpack-defaults"
+  },
+  "files": [
+    "dist"
+  ],
+  "peerDependencies": {
+    "webpack": "^4.0.0 || ^5.0.0"
+  },
+  "dependencies": {
+    "loader-utils": "^2.0.0",
+    "schema-utils": "^3.0.0"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.11.6",
+    "@babel/core": "^7.11.6",
+    "@babel/preset-env": "^7.11.5",
+    "@commitlint/cli": "^11.0.0",
+    "@commitlint/config-conventional": "^11.0.0",
+    "@webpack-contrib/defaults": "^6.3.0",
+    "@webpack-contrib/eslint-config-webpack": "^3.0.0",
+    "babel-jest": "^26.5.2",
+    "cross-env": "^7.0.2",
+    "del": "^6.0.0",
+    "del-cli": "^3.0.1",
+    "eslint": "^7.10.0",
+    "eslint-config-prettier": "^6.12.0",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-prettier": "^3.1.4",
+    "husky": "^4.3.0",
+    "jest": "^26.5.2",
+    "lint-staged": "^10.4.0",
+    "memfs": "^3.2.0",
+    "npm-run-all": "^4.1.5",
+    "prettier": "^2.1.2",
+    "standard-version": "^9.0.0",
+    "webpack": "^4.44.2"
+  },
+  "keywords": [
+    "webpack"
+  ]
+}
diff --git a/node_modules/readable-stream/.travis.yml b/node_modules/readable-stream/.travis.yml
new file mode 100644
index 00000000..f62cdac0
--- /dev/null
+++ b/node_modules/readable-stream/.travis.yml
@@ -0,0 +1,34 @@
+sudo: false
+language: node_js
+before_install:
+  - (test $NPM_LEGACY && npm install -g npm@2 && npm install -g npm@3) || true
+notifications:
+  email: false
+matrix:
+  fast_finish: true
+  include:
+  - node_js: '0.8'
+    env: NPM_LEGACY=true
+  - node_js: '0.10'
+    env: NPM_LEGACY=true
+  - node_js: '0.11'
+    env: NPM_LEGACY=true
+  - node_js: '0.12'
+    env: NPM_LEGACY=true
+  - node_js: 1
+    env: NPM_LEGACY=true
+  - node_js: 2
+    env: NPM_LEGACY=true
+  - node_js: 3
+    env: NPM_LEGACY=true
+  - node_js: 4
+  - node_js: 5
+  - node_js: 6
+  - node_js: 7
+  - node_js: 8
+  - node_js: 9
+script: "npm run test"
+env:
+  global:
+  - secure: rE2Vvo7vnjabYNULNyLFxOyt98BoJexDqsiOnfiD6kLYYsiQGfr/sbZkPMOFm9qfQG7pjqx+zZWZjGSswhTt+626C0t/njXqug7Yps4c3dFblzGfreQHp7wNX5TFsvrxd6dAowVasMp61sJcRnB2w8cUzoe3RAYUDHyiHktwqMc=
+  - secure: g9YINaKAdMatsJ28G9jCGbSaguXCyxSTy+pBO6Ch0Cf57ZLOTka3HqDj8p3nV28LUIHZ3ut5WO43CeYKwt4AUtLpBS3a0dndHdY6D83uY6b2qh5hXlrcbeQTq2cvw2y95F7hm4D1kwrgZ7ViqaKggRcEupAL69YbJnxeUDKWEdI=
diff --git a/node_modules/readable-stream/CONTRIBUTING.md b/node_modules/readable-stream/CONTRIBUTING.md
new file mode 100644
index 00000000..f478d58d
--- /dev/null
+++ b/node_modules/readable-stream/CONTRIBUTING.md
@@ -0,0 +1,38 @@
+# Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+* (a) The contribution was created in whole or in part by me and I
+  have the right to submit it under the open source license
+  indicated in the file; or
+
+* (b) The contribution is based upon previous work that, to the best
+  of my knowledge, is covered under an appropriate open source
+  license and I have the right under that license to submit that
+  work with modifications, whether created in whole or in part
+  by me, under the same open source license (unless I am
+  permitted to submit under a different license), as indicated
+  in the file; or
+
+* (c) The contribution was provided directly to me by some other
+  person who certified (a), (b) or (c) and I have not modified
+  it.
+
+* (d) I understand and agree that this project and the contribution
+  are public and that a record of the contribution (including all
+  personal information I submit with it, including my sign-off) is
+  maintained indefinitely and may be redistributed consistent with
+  this project or the open source license(s) involved.
+
+## Moderation Policy
+
+The [Node.js Moderation Policy] applies to this WG.
+
+## Code of Conduct
+
+The [Node.js Code of Conduct][] applies to this WG.
+
+[Node.js Code of Conduct]:
+https://github.com/nodejs/node/blob/master/CODE_OF_CONDUCT.md
+[Node.js Moderation Policy]:
+https://github.com/nodejs/TSC/blob/master/Moderation-Policy.md
diff --git a/node_modules/readable-stream/GOVERNANCE.md b/node_modules/readable-stream/GOVERNANCE.md
new file mode 100644
index 00000000..16ffb93f
--- /dev/null
+++ b/node_modules/readable-stream/GOVERNANCE.md
@@ -0,0 +1,136 @@
+### Streams Working Group
+
+The Node.js Streams is jointly governed by a Working Group
+(WG)
+that is responsible for high-level guidance of the project.
+
+The WG has final authority over this project including:
+
+* Technical direction
+* Project governance and process (including this policy)
+* Contribution policy
+* GitHub repository hosting
+* Conduct guidelines
+* Maintaining the list of additional Collaborators
+
+For the current list of WG members, see the project
+[README.md](./README.md#current-project-team-members).
+
+### Collaborators
+
+The readable-stream GitHub repository is
+maintained by the WG and additional Collaborators who are added by the
+WG on an ongoing basis.
+
+Individuals making significant and valuable contributions are made
+Collaborators and given commit-access to the project. These
+individuals are identified by the WG and their addition as
+Collaborators is discussed during the WG meeting.
+
+_Note:_ If you make a significant contribution and are not considered
+for commit-access log an issue or contact a WG member directly and it
+will be brought up in the next WG meeting.
+
+Modifications of the contents of the readable-stream repository are
+made on
+a collaborative basis. Anybody with a GitHub account may propose a
+modification via pull request and it will be considered by the project
+Collaborators. All pull requests must be reviewed and accepted by a
+Collaborator with sufficient expertise who is able to take full
+responsibility for the change. In the case of pull requests proposed
+by an existing Collaborator, an additional Collaborator is required
+for sign-off. Consensus should be sought if additional Collaborators
+participate and there is disagreement around a particular
+modification. See _Consensus Seeking Process_ below for further detail
+on the consensus model used for governance.
+
+Collaborators may opt to elevate significant or controversial
+modifications, or modifications that have not found consensus to the
+WG for discussion by assigning the ***WG-agenda*** tag to a pull
+request or issue. The WG should serve as the final arbiter where
+required.
+
+For the current list of Collaborators, see the project
+[README.md](./README.md#members).
+
+### WG Membership
+
+WG seats are not time-limited.  There is no fixed size of the WG.
+However, the expected target is between 6 and 12, to ensure adequate
+coverage of important areas of expertise, balanced with the ability to
+make decisions efficiently.
+
+There is no specific set of requirements or qualifications for WG
+membership beyond these rules.
+
+The WG may add additional members to the WG by unanimous consensus.
+
+A WG member may be removed from the WG by voluntary resignation, or by
+unanimous consensus of all other WG members.
+
+Changes to WG membership should be posted in the agenda, and may be
+suggested as any other agenda item (see "WG Meetings" below).
+
+If an addition or removal is proposed during a meeting, and the full
+WG is not in attendance to participate, then the addition or removal
+is added to the agenda for the subsequent meeting.  This is to ensure
+that all members are given the opportunity to participate in all
+membership decisions.  If a WG member is unable to attend a meeting
+where a planned membership decision is being made, then their consent
+is assumed.
+
+No more than 1/3 of the WG members may be affiliated with the same
+employer.  If removal or resignation of a WG member, or a change of
+employment by a WG member, creates a situation where more than 1/3 of
+the WG membership shares an employer, then the situation must be
+immediately remedied by the resignation or removal of one or more WG
+members affiliated with the over-represented employer(s).
+
+### WG Meetings
+
+The WG meets occasionally on a Google Hangout On Air. A designated moderator
+approved by the WG runs the meeting. Each meeting should be
+published to YouTube.
+
+Items are added to the WG agenda that are considered contentious or
+are modifications of governance, contribution policy, WG membership,
+or release process.
+
+The intention of the agenda is not to approve or review all patches;
+that should happen continuously on GitHub and be handled by the larger
+group of Collaborators.
+
+Any community member or contributor can ask that something be added to
+the next meeting's agenda by logging a GitHub Issue. Any Collaborator,
+WG member or the moderator can add the item to the agenda by adding
+the ***WG-agenda*** tag to the issue.
+
+Prior to each WG meeting the moderator will share the Agenda with
+members of the WG. WG members can add any items they like to the
+agenda at the beginning of each meeting. The moderator and the WG
+cannot veto or remove items.
+
+The WG may invite persons or representatives from certain projects to
+participate in a non-voting capacity.
+
+The moderator is responsible for summarizing the discussion of each
+agenda item and sends it as a pull request after the meeting.
+
+### Consensus Seeking Process
+
+The WG follows a
+[Consensus
+Seeking](http://en.wikipedia.org/wiki/Consensus-seeking_decision-making)
+decision-making model.
+
+When an agenda item has appeared to reach a consensus the moderator
+will ask "Does anyone object?" as a final call for dissent from the
+consensus.
+
+If an agenda item cannot reach a consensus a WG member can call for
+either a closing vote or a vote to table the issue to the next
+meeting. The call for a vote must be seconded by a majority of the WG
+or else the discussion will continue. Simple majority wins.
+
+Note that changes to WG membership require a majority consensus.  See
+"WG Membership" above.
diff --git a/node_modules/readable-stream/LICENSE b/node_modules/readable-stream/LICENSE
new file mode 100644
index 00000000..2873b3b2
--- /dev/null
+++ b/node_modules/readable-stream/LICENSE
@@ -0,0 +1,47 @@
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
diff --git a/node_modules/readable-stream/README.md b/node_modules/readable-stream/README.md
new file mode 100644
index 00000000..f1c5a931
--- /dev/null
+++ b/node_modules/readable-stream/README.md
@@ -0,0 +1,58 @@
+# readable-stream
+
+***Node-core v8.17.0 streams for userland*** [![Build Status](https://travis-ci.org/nodejs/readable-stream.svg?branch=master)](https://travis-ci.org/nodejs/readable-stream)
+
+
+[![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
+[![NPM](https://nodei.co/npm-dl/readable-stream.png?&months=6&height=3)](https://nodei.co/npm/readable-stream/)
+
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/readable-stream.svg)](https://saucelabs.com/u/readable-stream)
+
+```bash
+npm install --save readable-stream
+```
+
+***Node-core streams for userland***
+
+This package is a mirror of the Streams2 and Streams3 implementations in
+Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.17.0/docs/api/stream.html).
+
+If you want to guarantee a stable streams base, regardless of what version of
+Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).
+
+As of version 2.0.0 **readable-stream** uses semantic versioning.
+
+# Streams Working Group
+
+`readable-stream` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+<a name="members"></a>
+## Team Members
+
+* **Chris Dickinson** ([@chrisdickinson](https://github.com/chrisdickinson)) &lt;christopher.s.dickinson@gmail.com&gt;
+  - Release GPG key: 9554F04D7259F04124DE6B476D5A82AC7E37093B
+* **Calvin Metcalf** ([@calvinmetcalf](https://github.com/calvinmetcalf)) &lt;calvin.metcalf@gmail.com&gt;
+  - Release GPG key: F3EF5F62A87FC27A22E643F714CE4FF5015AA242
+* **Rod Vagg** ([@rvagg](https://github.com/rvagg)) &lt;rod@vagg.org&gt;
+  - Release GPG key: DD8F2338BAE7501E3DD5AC78C273792F7D83545D
+* **Sam Newman** ([@sonewman](https://github.com/sonewman)) &lt;newmansam@outlook.com&gt;
+* **Mathias Buus** ([@mafintosh](https://github.com/mafintosh)) &lt;mathiasbuus@gmail.com&gt;
+* **Domenic Denicola** ([@domenic](https://github.com/domenic)) &lt;d@domenic.me&gt;
+* **Matteo Collina** ([@mcollina](https://github.com/mcollina)) &lt;matteo.collina@gmail.com&gt;
+  - Release GPG key: 3ABC01543F22DD2239285CDD818674489FBC127E
+* **Irina Shestak** ([@lrlna](https://github.com/lrlna)) &lt;shestak.irina@gmail.com&gt;
diff --git a/node_modules/readable-stream/doc/wg-meetings/2015-01-30.md b/node_modules/readable-stream/doc/wg-meetings/2015-01-30.md
new file mode 100644
index 00000000..83275f19
--- /dev/null
+++ b/node_modules/readable-stream/doc/wg-meetings/2015-01-30.md
@@ -0,0 +1,60 @@
+# streams WG Meeting 2015-01-30
+
+## Links
+
+* **Google Hangouts Video**: http://www.youtube.com/watch?v=I9nDOSGfwZg
+* **GitHub Issue**: https://github.com/iojs/readable-stream/issues/106
+* **Original Minutes Google Doc**: https://docs.google.com/document/d/17aTgLnjMXIrfjgNaTUnHQO7m3xgzHR2VXBTmi03Qii4/
+
+## Agenda
+
+Extracted from https://github.com/iojs/readable-stream/labels/wg-agenda prior to meeting.
+
+* adopt a charter [#105](https://github.com/iojs/readable-stream/issues/105)
+* release and versioning strategy [#101](https://github.com/iojs/readable-stream/issues/101)
+* simpler stream creation [#102](https://github.com/iojs/readable-stream/issues/102)
+* proposal: deprecate implicit flowing of streams [#99](https://github.com/iojs/readable-stream/issues/99)
+
+## Minutes
+
+### adopt a charter
+
+* group: +1's all around
+
+### What versioning scheme should be adopted?
+* group: +1’s 3.0.0
+* domenic+group: pulling in patches from other sources where appropriate
+* mikeal: version independently, suggesting versions for io.js
+* mikeal+domenic: work with TC to notify in advance of changes
+simpler stream creation
+
+### streamline creation of streams
+* sam: streamline creation of streams
+* domenic: nice simple solution posted
+  but, we lose the opportunity to change the model
+  may not be backwards incompatible (double check keys)
+
+  **action item:** domenic will check
+
+### remove implicit flowing of streams on(‘data’)
+* add isFlowing / isPaused
+* mikeal: worrying that we’re documenting polyfill methods – confuses users
+* domenic: more reflective API is probably good, with warning labels for users
+* new section for mad scientists (reflective stream access)
+* calvin: name the “third state”
+* mikeal: maybe borrow the name from whatwg?
+* domenic: we’re missing the “third state”
+* consensus: kind of difficult to name the third state
+* mikeal: figure out differences in states / compat
+* mathias: always flow on data – eliminates third state
+  * explore what it breaks
+
+**action items:**
+* ask isaac for ability to list packages by what public io.js APIs they use (esp. Stream)
+* ask rod/build for infrastructure
+* **chris**: explore the “flow on data” approach
+* add isPaused/isFlowing
+* add new docs section
+* move isPaused to that section
+
+
diff --git a/node_modules/readable-stream/duplex-browser.js b/node_modules/readable-stream/duplex-browser.js
new file mode 100644
index 00000000..f8b2db83
--- /dev/null
+++ b/node_modules/readable-stream/duplex-browser.js
@@ -0,0 +1 @@
+module.exports = require('./lib/_stream_duplex.js');
diff --git a/node_modules/readable-stream/duplex.js b/node_modules/readable-stream/duplex.js
new file mode 100644
index 00000000..46924cbf
--- /dev/null
+++ b/node_modules/readable-stream/duplex.js
@@ -0,0 +1 @@
+module.exports = require('./readable').Duplex
diff --git a/node_modules/readable-stream/lib/_stream_duplex.js b/node_modules/readable-stream/lib/_stream_duplex.js
new file mode 100644
index 00000000..57003c32
--- /dev/null
+++ b/node_modules/readable-stream/lib/_stream_duplex.js
@@ -0,0 +1,131 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+/*<replacement>*/
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    keys.push(key);
+  }return keys;
+};
+/*</replacement>*/
+
+module.exports = Duplex;
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+
+util.inherits(Duplex, Readable);
+
+{
+  // avoid scope creep, the keys array can then be collected
+  var keys = objectKeys(Writable.prototype);
+  for (var v = 0; v < keys.length; v++) {
+    var method = keys[v];
+    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+  }
+}
+
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+
+  Readable.call(this, options);
+  Writable.call(this, options);
+
+  if (options && options.readable === false) this.readable = false;
+
+  if (options && options.writable === false) this.writable = false;
+
+  this.allowHalfOpen = true;
+  if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+  this.once('end', onend);
+}
+
+Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._writableState.highWaterMark;
+  }
+});
+
+// the no-half-open enforcer
+function onend() {
+  // if we allow half-open state, or if the writable side ended,
+  // then we're ok.
+  if (this.allowHalfOpen || this._writableState.ended) return;
+
+  // no more data can be written.
+  // But allow more writes to happen in this tick.
+  pna.nextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});
+
+Duplex.prototype._destroy = function (err, cb) {
+  this.push(null);
+  this.end();
+
+  pna.nextTick(cb, err);
+};
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/_stream_passthrough.js b/node_modules/readable-stream/lib/_stream_passthrough.js
new file mode 100644
index 00000000..612edb4d
--- /dev/null
+++ b/node_modules/readable-stream/lib/_stream_passthrough.js
@@ -0,0 +1,47 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(PassThrough, Transform);
+
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+  Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/_stream_readable.js b/node_modules/readable-stream/lib/_stream_readable.js
new file mode 100644
index 00000000..3af95cb2
--- /dev/null
+++ b/node_modules/readable-stream/lib/_stream_readable.js
@@ -0,0 +1,1019 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Readable;
+
+/*<replacement>*/
+var isArray = require('isarray');
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Readable.ReadableState = ReadableState;
+
+/*<replacement>*/
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function (emitter, type) {
+  return emitter.listeners(type).length;
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = (typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : {}).Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+/*</replacement>*/
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var debugUtil = require('util');
+var debug = void 0;
+if (debugUtil && debugUtil.debuglog) {
+  debug = debugUtil.debuglog('stream');
+} else {
+  debug = function () {};
+}
+/*</replacement>*/
+
+var BufferList = require('./internal/streams/BufferList');
+var destroyImpl = require('./internal/streams/destroy');
+var StringDecoder;
+
+util.inherits(Readable, Stream);
+
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+  // Sadly this is not cacheable as some libraries bundle their own
+  // event emitter implementation with them.
+  if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn);
+
+  // This is a hack to make sure that our error handler is attached before any
+  // userland ones.  NEVER DO THIS. This is here only because this code needs
+  // to continue to work with older versions of Node.js that do not include
+  // the prependListener() method. The goal is to eventually remove this hack.
+  if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+}
+
+function ReadableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream.
+  // These options can be provided separately as readableXXX and writableXXX.
+  var isDuplex = stream instanceof Duplex;
+
+  // object stream flag. Used to make read(n) ignore n and to
+  // make all the buffer merging and length checks go away
+  this.objectMode = !!options.objectMode;
+
+  if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
+
+  // the point at which it stops calling _read() to fill the buffer
+  // Note: 0 is a valid value, means "don't call _read preemptively ever"
+  var hwm = options.highWaterMark;
+  var readableHwm = options.readableHighWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+
+  if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (readableHwm || readableHwm === 0)) this.highWaterMark = readableHwm;else this.highWaterMark = defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // A linked list is used to store data chunks instead of an array because the
+  // linked list can remove elements from the beginning faster than
+  // array.shift()
+  this.buffer = new BufferList();
+  this.length = 0;
+  this.pipes = null;
+  this.pipesCount = 0;
+  this.flowing = null;
+  this.ended = false;
+  this.endEmitted = false;
+  this.reading = false;
+
+  // a flag to be able to tell if the event 'readable'/'data' is emitted
+  // immediately, or on a later tick.  We set this to true at first, because
+  // any actions that shouldn't happen until "later" should generally also
+  // not happen before the first read call.
+  this.sync = true;
+
+  // whenever we return null, then we set a flag to say
+  // that we're awaiting a 'readable' event emission.
+  this.needReadable = false;
+  this.emittedReadable = false;
+  this.readableListening = false;
+  this.resumeScheduled = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // the number of writers that are awaiting a drain event in .pipe()s
+  this.awaitDrain = 0;
+
+  // if true, a maybeReadMore has been scheduled
+  this.readingMore = false;
+
+  this.decoder = null;
+  this.encoding = null;
+  if (options.encoding) {
+    if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+    this.decoder = new StringDecoder(options.encoding);
+    this.encoding = options.encoding;
+  }
+}
+
+function Readable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  if (!(this instanceof Readable)) return new Readable(options);
+
+  this._readableState = new ReadableState(options, this);
+
+  // legacy
+  this.readable = true;
+
+  if (options) {
+    if (typeof options.read === 'function') this._read = options.read;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+  }
+
+  Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._readableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+  }
+});
+
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+Readable.prototype._destroy = function (err, cb) {
+  this.push(null);
+  cb(err);
+};
+
+// Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+Readable.prototype.push = function (chunk, encoding) {
+  var state = this._readableState;
+  var skipChunkCheck;
+
+  if (!state.objectMode) {
+    if (typeof chunk === 'string') {
+      encoding = encoding || state.defaultEncoding;
+      if (encoding !== state.encoding) {
+        chunk = Buffer.from(chunk, encoding);
+        encoding = '';
+      }
+      skipChunkCheck = true;
+    }
+  } else {
+    skipChunkCheck = true;
+  }
+
+  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+};
+
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function (chunk) {
+  return readableAddChunk(this, chunk, null, true, false);
+};
+
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+  var state = stream._readableState;
+  if (chunk === null) {
+    state.reading = false;
+    onEofChunk(stream, state);
+  } else {
+    var er;
+    if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+    if (er) {
+      stream.emit('error', er);
+    } else if (state.objectMode || chunk && chunk.length > 0) {
+      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+        chunk = _uint8ArrayToBuffer(chunk);
+      }
+
+      if (addToFront) {
+        if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
+      } else if (state.ended) {
+        stream.emit('error', new Error('stream.push() after EOF'));
+      } else {
+        state.reading = false;
+        if (state.decoder && !encoding) {
+          chunk = state.decoder.write(chunk);
+          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+        } else {
+          addChunk(stream, state, chunk, false);
+        }
+      }
+    } else if (!addToFront) {
+      state.reading = false;
+    }
+  }
+
+  return needMoreData(state);
+}
+
+function addChunk(stream, state, chunk, addToFront) {
+  if (state.flowing && state.length === 0 && !state.sync) {
+    stream.emit('data', chunk);
+    stream.read(0);
+  } else {
+    // update the buffer info.
+    state.length += state.objectMode ? 1 : chunk.length;
+    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+    if (state.needReadable) emitReadable(stream);
+  }
+  maybeReadMore(stream, state);
+}
+
+function chunkInvalid(state, chunk) {
+  var er;
+  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  return er;
+}
+
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes.  This is to work around cases where hwm=0,
+// such as the repl.  Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+  return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
+}
+
+Readable.prototype.isPaused = function () {
+  return this._readableState.flowing === false;
+};
+
+// backwards compatibility.
+Readable.prototype.setEncoding = function (enc) {
+  if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+  this._readableState.decoder = new StringDecoder(enc);
+  this._readableState.encoding = enc;
+  return this;
+};
+
+// Don't raise the hwm > 8MB
+var MAX_HWM = 0x800000;
+function computeNewHighWaterMark(n) {
+  if (n >= MAX_HWM) {
+    n = MAX_HWM;
+  } else {
+    // Get the next highest power of 2 to prevent increasing hwm excessively in
+    // tiny amounts
+    n--;
+    n |= n >>> 1;
+    n |= n >>> 2;
+    n |= n >>> 4;
+    n |= n >>> 8;
+    n |= n >>> 16;
+    n++;
+  }
+  return n;
+}
+
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function howMuchToRead(n, state) {
+  if (n <= 0 || state.length === 0 && state.ended) return 0;
+  if (state.objectMode) return 1;
+  if (n !== n) {
+    // Only flow one buffer at a time
+    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+  }
+  // If we're asking for more than the current hwm, then raise the hwm.
+  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+  if (n <= state.length) return n;
+  // Don't have enough
+  if (!state.ended) {
+    state.needReadable = true;
+    return 0;
+  }
+  return state.length;
+}
+
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function (n) {
+  debug('read', n);
+  n = parseInt(n, 10);
+  var state = this._readableState;
+  var nOrig = n;
+
+  if (n !== 0) state.emittedReadable = false;
+
+  // if we're doing read(0) to trigger a readable event, but we
+  // already have a bunch of data in the buffer, then just trigger
+  // the 'readable' event and move on.
+  if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+    debug('read: emitReadable', state.length, state.ended);
+    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+    return null;
+  }
+
+  n = howMuchToRead(n, state);
+
+  // if we've ended, and we're now clear, then finish it up.
+  if (n === 0 && state.ended) {
+    if (state.length === 0) endReadable(this);
+    return null;
+  }
+
+  // All the actual chunk generation logic needs to be
+  // *below* the call to _read.  The reason is that in certain
+  // synthetic stream cases, such as passthrough streams, _read
+  // may be a completely synchronous operation which may change
+  // the state of the read buffer, providing enough data when
+  // before there was *not* enough.
+  //
+  // So, the steps are:
+  // 1. Figure out what the state of things will be after we do
+  // a read from the buffer.
+  //
+  // 2. If that resulting state will trigger a _read, then call _read.
+  // Note that this may be asynchronous, or synchronous.  Yes, it is
+  // deeply ugly to write APIs this way, but that still doesn't mean
+  // that the Readable class should behave improperly, as streams are
+  // designed to be sync/async agnostic.
+  // Take note if the _read call is sync or async (ie, if the read call
+  // has returned yet), so that we know whether or not it's safe to emit
+  // 'readable' etc.
+  //
+  // 3. Actually pull the requested chunks out of the buffer and return.
+
+  // if we need a readable event, then we need to do some reading.
+  var doRead = state.needReadable;
+  debug('need readable', doRead);
+
+  // if we currently have less than the highWaterMark, then also read some
+  if (state.length === 0 || state.length - n < state.highWaterMark) {
+    doRead = true;
+    debug('length less than watermark', doRead);
+  }
+
+  // however, if we've ended, then there's no point, and if we're already
+  // reading, then it's unnecessary.
+  if (state.ended || state.reading) {
+    doRead = false;
+    debug('reading or ended', doRead);
+  } else if (doRead) {
+    debug('do read');
+    state.reading = true;
+    state.sync = true;
+    // if the length is currently zero, then we *need* a readable event.
+    if (state.length === 0) state.needReadable = true;
+    // call internal read method
+    this._read(state.highWaterMark);
+    state.sync = false;
+    // If _read pushed data synchronously, then `reading` will be false,
+    // and we need to re-evaluate how much data we can return to the user.
+    if (!state.reading) n = howMuchToRead(nOrig, state);
+  }
+
+  var ret;
+  if (n > 0) ret = fromList(n, state);else ret = null;
+
+  if (ret === null) {
+    state.needReadable = true;
+    n = 0;
+  } else {
+    state.length -= n;
+  }
+
+  if (state.length === 0) {
+    // If we have nothing in the buffer, then we want to know
+    // as soon as we *do* get something into the buffer.
+    if (!state.ended) state.needReadable = true;
+
+    // If we tried to read() past the EOF, then emit end on the next tick.
+    if (nOrig !== n && state.ended) endReadable(this);
+  }
+
+  if (ret !== null) this.emit('data', ret);
+
+  return ret;
+};
+
+function onEofChunk(stream, state) {
+  if (state.ended) return;
+  if (state.decoder) {
+    var chunk = state.decoder.end();
+    if (chunk && chunk.length) {
+      state.buffer.push(chunk);
+      state.length += state.objectMode ? 1 : chunk.length;
+    }
+  }
+  state.ended = true;
+
+  // emit 'readable' now to make sure it gets picked up.
+  emitReadable(stream);
+}
+
+// Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow.  This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+function emitReadable(stream) {
+  var state = stream._readableState;
+  state.needReadable = false;
+  if (!state.emittedReadable) {
+    debug('emitReadable', state.flowing);
+    state.emittedReadable = true;
+    if (state.sync) pna.nextTick(emitReadable_, stream);else emitReadable_(stream);
+  }
+}
+
+function emitReadable_(stream) {
+  debug('emit readable');
+  stream.emit('readable');
+  flow(stream);
+}
+
+// at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data.  that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+function maybeReadMore(stream, state) {
+  if (!state.readingMore) {
+    state.readingMore = true;
+    pna.nextTick(maybeReadMore_, stream, state);
+  }
+}
+
+function maybeReadMore_(stream, state) {
+  var len = state.length;
+  while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+    debug('maybeReadMore read 0');
+    stream.read(0);
+    if (len === state.length)
+      // didn't get any data, stop spinning.
+      break;else len = state.length;
+  }
+  state.readingMore = false;
+}
+
+// abstract method.  to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+Readable.prototype._read = function (n) {
+  this.emit('error', new Error('_read() is not implemented'));
+};
+
+Readable.prototype.pipe = function (dest, pipeOpts) {
+  var src = this;
+  var state = this._readableState;
+
+  switch (state.pipesCount) {
+    case 0:
+      state.pipes = dest;
+      break;
+    case 1:
+      state.pipes = [state.pipes, dest];
+      break;
+    default:
+      state.pipes.push(dest);
+      break;
+  }
+  state.pipesCount += 1;
+  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+
+  var endFn = doEnd ? onend : unpipe;
+  if (state.endEmitted) pna.nextTick(endFn);else src.once('end', endFn);
+
+  dest.on('unpipe', onunpipe);
+  function onunpipe(readable, unpipeInfo) {
+    debug('onunpipe');
+    if (readable === src) {
+      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+        unpipeInfo.hasUnpiped = true;
+        cleanup();
+      }
+    }
+  }
+
+  function onend() {
+    debug('onend');
+    dest.end();
+  }
+
+  // when the dest drains, it reduces the awaitDrain counter
+  // on the source.  This would be more elegant with a .once()
+  // handler in flow(), but adding and removing repeatedly is
+  // too slow.
+  var ondrain = pipeOnDrain(src);
+  dest.on('drain', ondrain);
+
+  var cleanedUp = false;
+  function cleanup() {
+    debug('cleanup');
+    // cleanup event handlers once the pipe is broken
+    dest.removeListener('close', onclose);
+    dest.removeListener('finish', onfinish);
+    dest.removeListener('drain', ondrain);
+    dest.removeListener('error', onerror);
+    dest.removeListener('unpipe', onunpipe);
+    src.removeListener('end', onend);
+    src.removeListener('end', unpipe);
+    src.removeListener('data', ondata);
+
+    cleanedUp = true;
+
+    // if the reader is waiting for a drain event from this
+    // specific writer, then it would cause it to never start
+    // flowing again.
+    // So, if this is awaiting a drain, then we just call it now.
+    // If we don't know, then assume that we are waiting for one.
+    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+  }
+
+  // If the user pushes more data while we're writing to dest then we'll end up
+  // in ondata again. However, we only want to increase awaitDrain once because
+  // dest will only emit one 'drain' event for the multiple writes.
+  // => Introduce a guard on increasing awaitDrain.
+  var increasedAwaitDrain = false;
+  src.on('data', ondata);
+  function ondata(chunk) {
+    debug('ondata');
+    increasedAwaitDrain = false;
+    var ret = dest.write(chunk);
+    if (false === ret && !increasedAwaitDrain) {
+      // If the user unpiped during `dest.write()`, it is possible
+      // to get stuck in a permanently paused state if that write
+      // also returned false.
+      // => Check whether `dest` is still a piping destination.
+      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+        debug('false write response, pause', state.awaitDrain);
+        state.awaitDrain++;
+        increasedAwaitDrain = true;
+      }
+      src.pause();
+    }
+  }
+
+  // if the dest has an error, then stop piping into it.
+  // however, don't suppress the throwing behavior for this.
+  function onerror(er) {
+    debug('onerror', er);
+    unpipe();
+    dest.removeListener('error', onerror);
+    if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
+  }
+
+  // Make sure our error handler is attached before userland ones.
+  prependListener(dest, 'error', onerror);
+
+  // Both close and finish should trigger unpipe, but only once.
+  function onclose() {
+    dest.removeListener('finish', onfinish);
+    unpipe();
+  }
+  dest.once('close', onclose);
+  function onfinish() {
+    debug('onfinish');
+    dest.removeListener('close', onclose);
+    unpipe();
+  }
+  dest.once('finish', onfinish);
+
+  function unpipe() {
+    debug('unpipe');
+    src.unpipe(dest);
+  }
+
+  // tell the dest that it's being piped to
+  dest.emit('pipe', src);
+
+  // start the flow if it hasn't been started already.
+  if (!state.flowing) {
+    debug('pipe resume');
+    src.resume();
+  }
+
+  return dest;
+};
+
+function pipeOnDrain(src) {
+  return function () {
+    var state = src._readableState;
+    debug('pipeOnDrain', state.awaitDrain);
+    if (state.awaitDrain) state.awaitDrain--;
+    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+      state.flowing = true;
+      flow(src);
+    }
+  };
+}
+
+Readable.prototype.unpipe = function (dest) {
+  var state = this._readableState;
+  var unpipeInfo = { hasUnpiped: false };
+
+  // if we're not piping anywhere, then do nothing.
+  if (state.pipesCount === 0) return this;
+
+  // just one destination.  most common case.
+  if (state.pipesCount === 1) {
+    // passed in one, but it's not the right one.
+    if (dest && dest !== state.pipes) return this;
+
+    if (!dest) dest = state.pipes;
+
+    // got a match.
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+    if (dest) dest.emit('unpipe', this, unpipeInfo);
+    return this;
+  }
+
+  // slow case. multiple pipe destinations.
+
+  if (!dest) {
+    // remove all.
+    var dests = state.pipes;
+    var len = state.pipesCount;
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+
+    for (var i = 0; i < len; i++) {
+      dests[i].emit('unpipe', this, { hasUnpiped: false });
+    }return this;
+  }
+
+  // try to find the right one.
+  var index = indexOf(state.pipes, dest);
+  if (index === -1) return this;
+
+  state.pipes.splice(index, 1);
+  state.pipesCount -= 1;
+  if (state.pipesCount === 1) state.pipes = state.pipes[0];
+
+  dest.emit('unpipe', this, unpipeInfo);
+
+  return this;
+};
+
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function (ev, fn) {
+  var res = Stream.prototype.on.call(this, ev, fn);
+
+  if (ev === 'data') {
+    // Start flowing on next tick if stream isn't explicitly paused
+    if (this._readableState.flowing !== false) this.resume();
+  } else if (ev === 'readable') {
+    var state = this._readableState;
+    if (!state.endEmitted && !state.readableListening) {
+      state.readableListening = state.needReadable = true;
+      state.emittedReadable = false;
+      if (!state.reading) {
+        pna.nextTick(nReadingNextTick, this);
+      } else if (state.length) {
+        emitReadable(this);
+      }
+    }
+  }
+
+  return res;
+};
+Readable.prototype.addListener = Readable.prototype.on;
+
+function nReadingNextTick(self) {
+  debug('readable nexttick read 0');
+  self.read(0);
+}
+
+// pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+Readable.prototype.resume = function () {
+  var state = this._readableState;
+  if (!state.flowing) {
+    debug('resume');
+    state.flowing = true;
+    resume(this, state);
+  }
+  return this;
+};
+
+function resume(stream, state) {
+  if (!state.resumeScheduled) {
+    state.resumeScheduled = true;
+    pna.nextTick(resume_, stream, state);
+  }
+}
+
+function resume_(stream, state) {
+  if (!state.reading) {
+    debug('resume read 0');
+    stream.read(0);
+  }
+
+  state.resumeScheduled = false;
+  state.awaitDrain = 0;
+  stream.emit('resume');
+  flow(stream);
+  if (state.flowing && !state.reading) stream.read(0);
+}
+
+Readable.prototype.pause = function () {
+  debug('call pause flowing=%j', this._readableState.flowing);
+  if (false !== this._readableState.flowing) {
+    debug('pause');
+    this._readableState.flowing = false;
+    this.emit('pause');
+  }
+  return this;
+};
+
+function flow(stream) {
+  var state = stream._readableState;
+  debug('flow', state.flowing);
+  while (state.flowing && stream.read() !== null) {}
+}
+
+// wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+Readable.prototype.wrap = function (stream) {
+  var _this = this;
+
+  var state = this._readableState;
+  var paused = false;
+
+  stream.on('end', function () {
+    debug('wrapped end');
+    if (state.decoder && !state.ended) {
+      var chunk = state.decoder.end();
+      if (chunk && chunk.length) _this.push(chunk);
+    }
+
+    _this.push(null);
+  });
+
+  stream.on('data', function (chunk) {
+    debug('wrapped data');
+    if (state.decoder) chunk = state.decoder.write(chunk);
+
+    // don't skip over falsy values in objectMode
+    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+    var ret = _this.push(chunk);
+    if (!ret) {
+      paused = true;
+      stream.pause();
+    }
+  });
+
+  // proxy all the other methods.
+  // important when wrapping filters and duplexes.
+  for (var i in stream) {
+    if (this[i] === undefined && typeof stream[i] === 'function') {
+      this[i] = function (method) {
+        return function () {
+          return stream[method].apply(stream, arguments);
+        };
+      }(i);
+    }
+  }
+
+  // proxy certain important events.
+  for (var n = 0; n < kProxyEvents.length; n++) {
+    stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
+  }
+
+  // when we try to consume some more bytes, simply unpause the
+  // underlying stream.
+  this._read = function (n) {
+    debug('wrapped _read', n);
+    if (paused) {
+      paused = false;
+      stream.resume();
+    }
+  };
+
+  return this;
+};
+
+Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._readableState.highWaterMark;
+  }
+});
+
+// exposed for testing purposes only.
+Readable._fromList = fromList;
+
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromList(n, state) {
+  // nothing buffered
+  if (state.length === 0) return null;
+
+  var ret;
+  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+    // read it all, truncate the list
+    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+    state.buffer.clear();
+  } else {
+    // read part of list
+    ret = fromListPartial(n, state.buffer, state.decoder);
+  }
+
+  return ret;
+}
+
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+  var ret;
+  if (n < list.head.data.length) {
+    // slice is the same for buffers and strings
+    ret = list.head.data.slice(0, n);
+    list.head.data = list.head.data.slice(n);
+  } else if (n === list.head.data.length) {
+    // first chunk is a perfect match
+    ret = list.shift();
+  } else {
+    // result spans more than one buffer
+    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+  }
+  return ret;
+}
+
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+  var p = list.head;
+  var c = 1;
+  var ret = p.data;
+  n -= ret.length;
+  while (p = p.next) {
+    var str = p.data;
+    var nb = n > str.length ? str.length : n;
+    if (nb === str.length) ret += str;else ret += str.slice(0, n);
+    n -= nb;
+    if (n === 0) {
+      if (nb === str.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = str.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+  var ret = Buffer.allocUnsafe(n);
+  var p = list.head;
+  var c = 1;
+  p.data.copy(ret);
+  n -= p.data.length;
+  while (p = p.next) {
+    var buf = p.data;
+    var nb = n > buf.length ? buf.length : n;
+    buf.copy(ret, ret.length - n, 0, nb);
+    n -= nb;
+    if (n === 0) {
+      if (nb === buf.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = buf.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+function endReadable(stream) {
+  var state = stream._readableState;
+
+  // If we get here before consuming all the bytes, then that is a
+  // bug in node.  Should never happen.
+  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
+
+  if (!state.endEmitted) {
+    state.ended = true;
+    pna.nextTick(endReadableNT, state, stream);
+  }
+}
+
+function endReadableNT(state, stream) {
+  // Check that we didn't get one last unshift.
+  if (!state.endEmitted && state.length === 0) {
+    state.endEmitted = true;
+    stream.readable = false;
+    stream.emit('end');
+  }
+}
+
+function indexOf(xs, x) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    if (xs[i] === x) return i;
+  }
+  return -1;
+}
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/_stream_transform.js b/node_modules/readable-stream/lib/_stream_transform.js
new file mode 100644
index 00000000..fcfc105a
--- /dev/null
+++ b/node_modules/readable-stream/lib/_stream_transform.js
@@ -0,0 +1,214 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a transform stream is a readable/writable stream where you do
+// something with the data.  Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored.  (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation.  For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes.  When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up.  When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer.  When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks.  If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk.  However,
+// a pathological inflate type of transform can cause excessive buffering
+// here.  For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output.  In this case, you could write a very small
+// amount of input, and end up with a very large amount of output.  In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform.  A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+
+'use strict';
+
+module.exports = Transform;
+
+var Duplex = require('./_stream_duplex');
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(Transform, Duplex);
+
+function afterTransform(er, data) {
+  var ts = this._transformState;
+  ts.transforming = false;
+
+  var cb = ts.writecb;
+
+  if (!cb) {
+    return this.emit('error', new Error('write callback called multiple times'));
+  }
+
+  ts.writechunk = null;
+  ts.writecb = null;
+
+  if (data != null) // single equals check for both `null` and `undefined`
+    this.push(data);
+
+  cb(er);
+
+  var rs = this._readableState;
+  rs.reading = false;
+  if (rs.needReadable || rs.length < rs.highWaterMark) {
+    this._read(rs.highWaterMark);
+  }
+}
+
+function Transform(options) {
+  if (!(this instanceof Transform)) return new Transform(options);
+
+  Duplex.call(this, options);
+
+  this._transformState = {
+    afterTransform: afterTransform.bind(this),
+    needTransform: false,
+    transforming: false,
+    writecb: null,
+    writechunk: null,
+    writeencoding: null
+  };
+
+  // start out asking for a readable event once data is transformed.
+  this._readableState.needReadable = true;
+
+  // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+  this._readableState.sync = false;
+
+  if (options) {
+    if (typeof options.transform === 'function') this._transform = options.transform;
+
+    if (typeof options.flush === 'function') this._flush = options.flush;
+  }
+
+  // When the writable side finishes, then flush out anything remaining.
+  this.on('prefinish', prefinish);
+}
+
+function prefinish() {
+  var _this = this;
+
+  if (typeof this._flush === 'function') {
+    this._flush(function (er, data) {
+      done(_this, er, data);
+    });
+  } else {
+    done(this, null, null);
+  }
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+  this._transformState.needTransform = false;
+  return Duplex.prototype.push.call(this, chunk, encoding);
+};
+
+// This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side.  You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk.  If you pass
+// an error, then that'll put the hurt on the whole operation.  If you
+// never call cb(), then you'll never get another chunk.
+Transform.prototype._transform = function (chunk, encoding, cb) {
+  throw new Error('_transform() is not implemented');
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+  var ts = this._transformState;
+  ts.writecb = cb;
+  ts.writechunk = chunk;
+  ts.writeencoding = encoding;
+  if (!ts.transforming) {
+    var rs = this._readableState;
+    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+  }
+};
+
+// Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+Transform.prototype._read = function (n) {
+  var ts = this._transformState;
+
+  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+    ts.transforming = true;
+    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+  } else {
+    // mark that we need a transform, so that any data that comes in
+    // will get processed, now that we've asked for it.
+    ts.needTransform = true;
+  }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+  var _this2 = this;
+
+  Duplex.prototype._destroy.call(this, err, function (err2) {
+    cb(err2);
+    _this2.emit('close');
+  });
+};
+
+function done(stream, er, data) {
+  if (er) return stream.emit('error', er);
+
+  if (data != null) // single equals check for both `null` and `undefined`
+    stream.push(data);
+
+  // if there's nothing in the write buffer, then that means
+  // that nothing more will ever be provided
+  if (stream._writableState.length) throw new Error('Calling transform done when ws.length != 0');
+
+  if (stream._transformState.transforming) throw new Error('Calling transform done when still transforming');
+
+  return stream.push(null);
+}
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/_stream_writable.js b/node_modules/readable-stream/lib/_stream_writable.js
new file mode 100644
index 00000000..e1e897ff
--- /dev/null
+++ b/node_modules/readable-stream/lib/_stream_writable.js
@@ -0,0 +1,685 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Writable;
+
+/* <replacement> */
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
+  this.next = null;
+}
+
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+  var _this = this;
+
+  this.next = null;
+  this.entry = null;
+  this.finish = function () {
+    onCorkedFinish(_this, state);
+  };
+}
+/* </replacement> */
+
+/*<replacement>*/
+var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick;
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Writable.WritableState = WritableState;
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var internalUtil = {
+  deprecate: require('util-deprecate')
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = (typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : {}).Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+/*</replacement>*/
+
+var destroyImpl = require('./internal/streams/destroy');
+
+util.inherits(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream.
+  // These options can be provided separately as readableXXX and writableXXX.
+  var isDuplex = stream instanceof Duplex;
+
+  // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+  this.objectMode = !!options.objectMode;
+
+  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
+
+  // the point at which write() starts returning false
+  // Note: 0 is a valid value, means that we always return false if
+  // the entire buffer is not flushed immediately on write()
+  var hwm = options.highWaterMark;
+  var writableHwm = options.writableHighWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+
+  if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (writableHwm || writableHwm === 0)) this.highWaterMark = writableHwm;else this.highWaterMark = defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // if _final has been called
+  this.finalCalled = false;
+
+  // drain event flag.
+  this.needDrain = false;
+  // at the start of calling end()
+  this.ending = false;
+  // when end() has been called, and returned
+  this.ended = false;
+  // when 'finish' is emitted
+  this.finished = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // should we decode strings into buffers before passing to _write?
+  // this is here so that some node-core streams can optimize string
+  // handling at a lower level.
+  var noDecode = options.decodeStrings === false;
+  this.decodeStrings = !noDecode;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // not an actual buffer we keep track of, but a measurement
+  // of how much we're waiting to get pushed to some underlying
+  // socket or file.
+  this.length = 0;
+
+  // a flag to see when we're in the middle of a write.
+  this.writing = false;
+
+  // when true all writes will be buffered until .uncork() call
+  this.corked = 0;
+
+  // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+  this.sync = true;
+
+  // a flag to know if we're processing previously buffered items, which
+  // may call the _write() callback in the same tick, so that we don't
+  // end up in an overlapped onwrite situation.
+  this.bufferProcessing = false;
+
+  // the callback that's passed to _write(chunk,cb)
+  this.onwrite = function (er) {
+    onwrite(stream, er);
+  };
+
+  // the callback that the user supplies to write(chunk,encoding,cb)
+  this.writecb = null;
+
+  // the amount that is being written when _write is called.
+  this.writelen = 0;
+
+  this.bufferedRequest = null;
+  this.lastBufferedRequest = null;
+
+  // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+  this.pendingcb = 0;
+
+  // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+  this.prefinished = false;
+
+  // True if the error was already emitted and should not be thrown again
+  this.errorEmitted = false;
+
+  // count buffered requests
+  this.bufferedRequestCount = 0;
+
+  // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
+  this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+  var current = this.bufferedRequest;
+  var out = [];
+  while (current) {
+    out.push(current);
+    current = current.next;
+  }
+  return out;
+};
+
+(function () {
+  try {
+    Object.defineProperty(WritableState.prototype, 'buffer', {
+      get: internalUtil.deprecate(function () {
+        return this.getBuffer();
+      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+    });
+  } catch (_) {}
+})();
+
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function (object) {
+      if (realHasInstance.call(this, object)) return true;
+      if (this !== Writable) return false;
+
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function (object) {
+    return object instanceof this;
+  };
+}
+
+function Writable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+    return new Writable(options);
+  }
+
+  this._writableState = new WritableState(options, this);
+
+  // legacy.
+  this.writable = true;
+
+  if (options) {
+    if (typeof options.write === 'function') this._write = options.write;
+
+    if (typeof options.writev === 'function') this._writev = options.writev;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+
+    if (typeof options.final === 'function') this._final = options.final;
+  }
+
+  Stream.call(this);
+}
+
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function () {
+  this.emit('error', new Error('Cannot pipe, not readable'));
+};
+
+function writeAfterEnd(stream, cb) {
+  var er = new Error('write after end');
+  // TODO: defer error events consistently everywhere, not just the cb
+  stream.emit('error', er);
+  pna.nextTick(cb, er);
+}
+
+// Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+function validChunk(stream, state, chunk, cb) {
+  var valid = true;
+  var er = false;
+
+  if (chunk === null) {
+    er = new TypeError('May not write null values to stream');
+  } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  if (er) {
+    stream.emit('error', er);
+    pna.nextTick(cb, er);
+    valid = false;
+  }
+  return valid;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+  var state = this._writableState;
+  var ret = false;
+  var isBuf = !state.objectMode && _isUint8Array(chunk);
+
+  if (isBuf && !Buffer.isBuffer(chunk)) {
+    chunk = _uint8ArrayToBuffer(chunk);
+  }
+
+  if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+  if (typeof cb !== 'function') cb = nop;
+
+  if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+    state.pendingcb++;
+    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+  }
+
+  return ret;
+};
+
+Writable.prototype.cork = function () {
+  var state = this._writableState;
+
+  state.corked++;
+};
+
+Writable.prototype.uncork = function () {
+  var state = this._writableState;
+
+  if (state.corked) {
+    state.corked--;
+
+    if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+  }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+  // node::ParseEncoding() requires lower case.
+  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+  this._writableState.defaultEncoding = encoding;
+  return this;
+};
+
+function decodeChunk(state, chunk, encoding) {
+  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+    chunk = Buffer.from(chunk, encoding);
+  }
+  return chunk;
+}
+
+Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._writableState.highWaterMark;
+  }
+});
+
+// if we're already writing something, then just put this
+// in the queue, and wait our turn.  Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+  if (!isBuf) {
+    var newChunk = decodeChunk(state, chunk, encoding);
+    if (chunk !== newChunk) {
+      isBuf = true;
+      encoding = 'buffer';
+      chunk = newChunk;
+    }
+  }
+  var len = state.objectMode ? 1 : chunk.length;
+
+  state.length += len;
+
+  var ret = state.length < state.highWaterMark;
+  // we must ensure that previous needDrain will not be reset to false.
+  if (!ret) state.needDrain = true;
+
+  if (state.writing || state.corked) {
+    var last = state.lastBufferedRequest;
+    state.lastBufferedRequest = {
+      chunk: chunk,
+      encoding: encoding,
+      isBuf: isBuf,
+      callback: cb,
+      next: null
+    };
+    if (last) {
+      last.next = state.lastBufferedRequest;
+    } else {
+      state.bufferedRequest = state.lastBufferedRequest;
+    }
+    state.bufferedRequestCount += 1;
+  } else {
+    doWrite(stream, state, false, len, chunk, encoding, cb);
+  }
+
+  return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+  state.writelen = len;
+  state.writecb = cb;
+  state.writing = true;
+  state.sync = true;
+  if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+  --state.pendingcb;
+
+  if (sync) {
+    // defer the callback if we are being called synchronously
+    // to avoid piling up things on the stack
+    pna.nextTick(cb, er);
+    // this can emit finish, and it will always happen
+    // after error
+    pna.nextTick(finishMaybe, stream, state);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+  } else {
+    // the caller expect this to happen before if
+    // it is async
+    cb(er);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+    // this can emit finish, but finish must
+    // always follow error
+    finishMaybe(stream, state);
+  }
+}
+
+function onwriteStateUpdate(state) {
+  state.writing = false;
+  state.writecb = null;
+  state.length -= state.writelen;
+  state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+  var state = stream._writableState;
+  var sync = state.sync;
+  var cb = state.writecb;
+
+  onwriteStateUpdate(state);
+
+  if (er) onwriteError(stream, state, sync, er, cb);else {
+    // Check if we're actually ready to finish, but don't emit yet
+    var finished = needFinish(state);
+
+    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+      clearBuffer(stream, state);
+    }
+
+    if (sync) {
+      /*<replacement>*/
+      asyncWrite(afterWrite, stream, state, finished, cb);
+      /*</replacement>*/
+    } else {
+      afterWrite(stream, state, finished, cb);
+    }
+  }
+}
+
+function afterWrite(stream, state, finished, cb) {
+  if (!finished) onwriteDrain(stream, state);
+  state.pendingcb--;
+  cb();
+  finishMaybe(stream, state);
+}
+
+// Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+function onwriteDrain(stream, state) {
+  if (state.length === 0 && state.needDrain) {
+    state.needDrain = false;
+    stream.emit('drain');
+  }
+}
+
+// if there's something in the buffer waiting, then process it
+function clearBuffer(stream, state) {
+  state.bufferProcessing = true;
+  var entry = state.bufferedRequest;
+
+  if (stream._writev && entry && entry.next) {
+    // Fast case, write everything using _writev()
+    var l = state.bufferedRequestCount;
+    var buffer = new Array(l);
+    var holder = state.corkedRequestsFree;
+    holder.entry = entry;
+
+    var count = 0;
+    var allBuffers = true;
+    while (entry) {
+      buffer[count] = entry;
+      if (!entry.isBuf) allBuffers = false;
+      entry = entry.next;
+      count += 1;
+    }
+    buffer.allBuffers = allBuffers;
+
+    doWrite(stream, state, true, state.length, buffer, '', holder.finish);
+
+    // doWrite is almost always async, defer these to save a bit of time
+    // as the hot path ends with doWrite
+    state.pendingcb++;
+    state.lastBufferedRequest = null;
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
+    state.bufferedRequestCount = 0;
+  } else {
+    // Slow case, write chunks one-by-one
+    while (entry) {
+      var chunk = entry.chunk;
+      var encoding = entry.encoding;
+      var cb = entry.callback;
+      var len = state.objectMode ? 1 : chunk.length;
+
+      doWrite(stream, state, false, len, chunk, encoding, cb);
+      entry = entry.next;
+      state.bufferedRequestCount--;
+      // if we didn't call the onwrite immediately, then
+      // it means that we need to wait until it does.
+      // also, that means that the chunk and cb are currently
+      // being processed, so move the buffer counter past them.
+      if (state.writing) {
+        break;
+      }
+    }
+
+    if (entry === null) state.lastBufferedRequest = null;
+  }
+
+  state.bufferedRequest = entry;
+  state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+  cb(new Error('_write() is not implemented'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+  var state = this._writableState;
+
+  if (typeof chunk === 'function') {
+    cb = chunk;
+    chunk = null;
+    encoding = null;
+  } else if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
+
+  // .end() fully uncorks
+  if (state.corked) {
+    state.corked = 1;
+    this.uncork();
+  }
+
+  // ignore unnecessary end() calls.
+  if (!state.ending) endWritable(this, state, cb);
+};
+
+function needFinish(state) {
+  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+function callFinal(stream, state) {
+  stream._final(function (err) {
+    state.pendingcb--;
+    if (err) {
+      stream.emit('error', err);
+    }
+    state.prefinished = true;
+    stream.emit('prefinish');
+    finishMaybe(stream, state);
+  });
+}
+function prefinish(stream, state) {
+  if (!state.prefinished && !state.finalCalled) {
+    if (typeof stream._final === 'function') {
+      state.pendingcb++;
+      state.finalCalled = true;
+      pna.nextTick(callFinal, stream, state);
+    } else {
+      state.prefinished = true;
+      stream.emit('prefinish');
+    }
+  }
+}
+
+function finishMaybe(stream, state) {
+  var need = needFinish(state);
+  if (need) {
+    prefinish(stream, state);
+    if (state.pendingcb === 0) {
+      state.finished = true;
+      stream.emit('finish');
+    }
+  }
+  return need;
+}
+
+function endWritable(stream, state, cb) {
+  state.ending = true;
+  finishMaybe(stream, state);
+  if (cb) {
+    if (state.finished) pna.nextTick(cb);else stream.once('finish', cb);
+  }
+  state.ended = true;
+  stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+  var entry = corkReq.entry;
+  corkReq.entry = null;
+  while (entry) {
+    var cb = entry.callback;
+    state.pendingcb--;
+    cb(err);
+    entry = entry.next;
+  }
+
+  // reuse the free corkReq.
+  state.corkedRequestsFree.next = corkReq;
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+  get: function () {
+    if (this._writableState === undefined) {
+      return false;
+    }
+    return this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._writableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._writableState.destroyed = value;
+  }
+});
+
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+Writable.prototype._destroy = function (err, cb) {
+  this.end();
+  cb(err);
+};
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/internal/streams/BufferList.js b/node_modules/readable-stream/lib/internal/streams/BufferList.js
new file mode 100644
index 00000000..5e080976
--- /dev/null
+++ b/node_modules/readable-stream/lib/internal/streams/BufferList.js
@@ -0,0 +1,78 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Buffer = require('safe-buffer').Buffer;
+var util = require('util');
+
+function copyBuffer(src, target, offset) {
+  src.copy(target, offset);
+}
+
+module.exports = function () {
+  function BufferList() {
+    _classCallCheck(this, BufferList);
+
+    this.head = null;
+    this.tail = null;
+    this.length = 0;
+  }
+
+  BufferList.prototype.push = function push(v) {
+    var entry = { data: v, next: null };
+    if (this.length > 0) this.tail.next = entry;else this.head = entry;
+    this.tail = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.unshift = function unshift(v) {
+    var entry = { data: v, next: this.head };
+    if (this.length === 0) this.tail = entry;
+    this.head = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.shift = function shift() {
+    if (this.length === 0) return;
+    var ret = this.head.data;
+    if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+    --this.length;
+    return ret;
+  };
+
+  BufferList.prototype.clear = function clear() {
+    this.head = this.tail = null;
+    this.length = 0;
+  };
+
+  BufferList.prototype.join = function join(s) {
+    if (this.length === 0) return '';
+    var p = this.head;
+    var ret = '' + p.data;
+    while (p = p.next) {
+      ret += s + p.data;
+    }return ret;
+  };
+
+  BufferList.prototype.concat = function concat(n) {
+    if (this.length === 0) return Buffer.alloc(0);
+    var ret = Buffer.allocUnsafe(n >>> 0);
+    var p = this.head;
+    var i = 0;
+    while (p) {
+      copyBuffer(p.data, ret, i);
+      i += p.data.length;
+      p = p.next;
+    }
+    return ret;
+  };
+
+  return BufferList;
+}();
+
+if (util && util.inspect && util.inspect.custom) {
+  module.exports.prototype[util.inspect.custom] = function () {
+    var obj = util.inspect({ length: this.length });
+    return this.constructor.name + ' ' + obj;
+  };
+}
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/internal/streams/destroy.js b/node_modules/readable-stream/lib/internal/streams/destroy.js
new file mode 100644
index 00000000..85a82140
--- /dev/null
+++ b/node_modules/readable-stream/lib/internal/streams/destroy.js
@@ -0,0 +1,84 @@
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+// undocumented cb() API, needed for core, not for public API
+function destroy(err, cb) {
+  var _this = this;
+
+  var readableDestroyed = this._readableState && this._readableState.destroyed;
+  var writableDestroyed = this._writableState && this._writableState.destroyed;
+
+  if (readableDestroyed || writableDestroyed) {
+    if (cb) {
+      cb(err);
+    } else if (err) {
+      if (!this._writableState) {
+        pna.nextTick(emitErrorNT, this, err);
+      } else if (!this._writableState.errorEmitted) {
+        this._writableState.errorEmitted = true;
+        pna.nextTick(emitErrorNT, this, err);
+      }
+    }
+
+    return this;
+  }
+
+  // we set destroyed to true before firing error callbacks in order
+  // to make it re-entrance safe in case destroy() is called within callbacks
+
+  if (this._readableState) {
+    this._readableState.destroyed = true;
+  }
+
+  // if this is a duplex stream mark the writable part as destroyed as well
+  if (this._writableState) {
+    this._writableState.destroyed = true;
+  }
+
+  this._destroy(err || null, function (err) {
+    if (!cb && err) {
+      if (!_this._writableState) {
+        pna.nextTick(emitErrorNT, _this, err);
+      } else if (!_this._writableState.errorEmitted) {
+        _this._writableState.errorEmitted = true;
+        pna.nextTick(emitErrorNT, _this, err);
+      }
+    } else if (cb) {
+      cb(err);
+    }
+  });
+
+  return this;
+}
+
+function undestroy() {
+  if (this._readableState) {
+    this._readableState.destroyed = false;
+    this._readableState.reading = false;
+    this._readableState.ended = false;
+    this._readableState.endEmitted = false;
+  }
+
+  if (this._writableState) {
+    this._writableState.destroyed = false;
+    this._writableState.ended = false;
+    this._writableState.ending = false;
+    this._writableState.finalCalled = false;
+    this._writableState.prefinished = false;
+    this._writableState.finished = false;
+    this._writableState.errorEmitted = false;
+  }
+}
+
+function emitErrorNT(self, err) {
+  self.emit('error', err);
+}
+
+module.exports = {
+  destroy: destroy,
+  undestroy: undestroy
+};
\ No newline at end of file
diff --git a/node_modules/readable-stream/lib/internal/streams/stream-browser.js b/node_modules/readable-stream/lib/internal/streams/stream-browser.js
new file mode 100644
index 00000000..9332a3fd
--- /dev/null
+++ b/node_modules/readable-stream/lib/internal/streams/stream-browser.js
@@ -0,0 +1 @@
+module.exports = require('events').EventEmitter;
diff --git a/node_modules/readable-stream/lib/internal/streams/stream.js b/node_modules/readable-stream/lib/internal/streams/stream.js
new file mode 100644
index 00000000..ce2ad5b6
--- /dev/null
+++ b/node_modules/readable-stream/lib/internal/streams/stream.js
@@ -0,0 +1 @@
+module.exports = require('stream');
diff --git a/node_modules/readable-stream/node_modules/safe-buffer/LICENSE b/node_modules/readable-stream/node_modules/safe-buffer/LICENSE
new file mode 100644
index 00000000..0c068cee
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/safe-buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/readable-stream/node_modules/safe-buffer/README.md b/node_modules/readable-stream/node_modules/safe-buffer/README.md
new file mode 100644
index 00000000..e9a81afd
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/safe-buffer/README.md
@@ -0,0 +1,584 @@
+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)
diff --git a/node_modules/readable-stream/node_modules/safe-buffer/index.d.ts b/node_modules/readable-stream/node_modules/safe-buffer/index.d.ts
new file mode 100644
index 00000000..e9fed809
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/safe-buffer/index.d.ts
@@ -0,0 +1,187 @@
+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/readable-stream/node_modules/safe-buffer/index.js b/node_modules/readable-stream/node_modules/safe-buffer/index.js
new file mode 100644
index 00000000..22438dab
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/safe-buffer/index.js
@@ -0,0 +1,62 @@
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}
diff --git a/node_modules/readable-stream/node_modules/safe-buffer/package.json b/node_modules/readable-stream/node_modules/safe-buffer/package.json
new file mode 100644
index 00000000..623fbc3f
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/safe-buffer/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "safe-buffer",
+  "description": "Safer Node.js Buffer API",
+  "version": "5.1.2",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "http://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^4.0.0"
+  },
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  }
+}
diff --git a/node_modules/readable-stream/node_modules/string_decoder/.travis.yml b/node_modules/readable-stream/node_modules/string_decoder/.travis.yml
new file mode 100644
index 00000000..3347a725
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/string_decoder/.travis.yml
@@ -0,0 +1,50 @@
+sudo: false
+language: node_js
+before_install:
+  - npm install -g npm@2
+  - test $NPM_LEGACY && npm install -g npm@latest-3 || npm install npm -g
+notifications:
+  email: false
+matrix:
+  fast_finish: true
+  include:
+  - node_js: '0.8'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.10'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.11'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.12'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 1
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 2
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 3
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 4
+    env: TASK=test
+  - node_js: 5
+    env: TASK=test
+  - node_js: 6
+    env: TASK=test
+  - node_js: 7
+    env: TASK=test
+  - node_js: 8
+    env: TASK=test
+  - node_js: 9
+    env: TASK=test
diff --git a/node_modules/readable-stream/node_modules/string_decoder/LICENSE b/node_modules/readable-stream/node_modules/string_decoder/LICENSE
new file mode 100644
index 00000000..778edb20
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/string_decoder/LICENSE
@@ -0,0 +1,48 @@
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
diff --git a/node_modules/readable-stream/node_modules/string_decoder/README.md b/node_modules/readable-stream/node_modules/string_decoder/README.md
new file mode 100644
index 00000000..5fd58315
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/string_decoder/README.md
@@ -0,0 +1,47 @@
+# string_decoder
+
+***Node-core v8.9.4 string_decoder for userland***
+
+
+[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
+[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
+
+
+```bash
+npm install --save string_decoder
+```
+
+***Node-core string_decoder for userland***
+
+This package is a mirror of the string_decoder implementation in Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
+
+As of version 1.0.0 **string_decoder** uses semantic versioning.
+
+## Previous versions
+
+Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
+
+## Update
+
+The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
+
+## Streams Working Group
+
+`string_decoder` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+See [readable-stream](https://github.com/nodejs/readable-stream) for
+more details.
diff --git a/node_modules/readable-stream/node_modules/string_decoder/lib/string_decoder.js b/node_modules/readable-stream/node_modules/string_decoder/lib/string_decoder.js
new file mode 100644
index 00000000..2e89e63f
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/string_decoder/lib/string_decoder.js
@@ -0,0 +1,296 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
+
+var isEncoding = Buffer.isEncoding || function (encoding) {
+  encoding = '' + encoding;
+  switch (encoding && encoding.toLowerCase()) {
+    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+      return true;
+    default:
+      return false;
+  }
+};
+
+function _normalizeEncoding(enc) {
+  if (!enc) return 'utf8';
+  var retried;
+  while (true) {
+    switch (enc) {
+      case 'utf8':
+      case 'utf-8':
+        return 'utf8';
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return 'utf16le';
+      case 'latin1':
+      case 'binary':
+        return 'latin1';
+      case 'base64':
+      case 'ascii':
+      case 'hex':
+        return enc;
+      default:
+        if (retried) return; // undefined
+        enc = ('' + enc).toLowerCase();
+        retried = true;
+    }
+  }
+};
+
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+  var nenc = _normalizeEncoding(enc);
+  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+  return nenc || enc;
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+  this.encoding = normalizeEncoding(encoding);
+  var nb;
+  switch (this.encoding) {
+    case 'utf16le':
+      this.text = utf16Text;
+      this.end = utf16End;
+      nb = 4;
+      break;
+    case 'utf8':
+      this.fillLast = utf8FillLast;
+      nb = 4;
+      break;
+    case 'base64':
+      this.text = base64Text;
+      this.end = base64End;
+      nb = 3;
+      break;
+    default:
+      this.write = simpleWrite;
+      this.end = simpleEnd;
+      return;
+  }
+  this.lastNeed = 0;
+  this.lastTotal = 0;
+  this.lastChar = Buffer.allocUnsafe(nb);
+}
+
+StringDecoder.prototype.write = function (buf) {
+  if (buf.length === 0) return '';
+  var r;
+  var i;
+  if (this.lastNeed) {
+    r = this.fillLast(buf);
+    if (r === undefined) return '';
+    i = this.lastNeed;
+    this.lastNeed = 0;
+  } else {
+    i = 0;
+  }
+  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+  return r || '';
+};
+
+StringDecoder.prototype.end = utf8End;
+
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
+
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+  this.lastNeed -= buf.length;
+};
+
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte. If an invalid byte is detected, -2 is returned.
+function utf8CheckByte(byte) {
+  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+  return byte >> 6 === 0x02 ? -1 : -2;
+}
+
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+  var j = buf.length - 1;
+  if (j < i) return 0;
+  var nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 1;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 2;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) {
+      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+    }
+    return nb;
+  }
+  return 0;
+}
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+  if ((buf[0] & 0xC0) !== 0x80) {
+    self.lastNeed = 0;
+    return '\ufffd';
+  }
+  if (self.lastNeed > 1 && buf.length > 1) {
+    if ((buf[1] & 0xC0) !== 0x80) {
+      self.lastNeed = 1;
+      return '\ufffd';
+    }
+    if (self.lastNeed > 2 && buf.length > 2) {
+      if ((buf[2] & 0xC0) !== 0x80) {
+        self.lastNeed = 2;
+        return '\ufffd';
+      }
+    }
+  }
+}
+
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+  var p = this.lastTotal - this.lastNeed;
+  var r = utf8CheckExtraBytes(this, buf, p);
+  if (r !== undefined) return r;
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, p, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, p, 0, buf.length);
+  this.lastNeed -= buf.length;
+}
+
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+  var total = utf8CheckIncomplete(this, buf, i);
+  if (!this.lastNeed) return buf.toString('utf8', i);
+  this.lastTotal = total;
+  var end = buf.length - (total - this.lastNeed);
+  buf.copy(this.lastChar, 0, end);
+  return buf.toString('utf8', i, end);
+}
+
+// For UTF-8, a replacement character is added when ending on a partial
+// character.
+function utf8End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + '\ufffd';
+  return r;
+}
+
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+  if ((buf.length - i) % 2 === 0) {
+    var r = buf.toString('utf16le', i);
+    if (r) {
+      var c = r.charCodeAt(r.length - 1);
+      if (c >= 0xD800 && c <= 0xDBFF) {
+        this.lastNeed = 2;
+        this.lastTotal = 4;
+        this.lastChar[0] = buf[buf.length - 2];
+        this.lastChar[1] = buf[buf.length - 1];
+        return r.slice(0, -1);
+      }
+    }
+    return r;
+  }
+  this.lastNeed = 1;
+  this.lastTotal = 2;
+  this.lastChar[0] = buf[buf.length - 1];
+  return buf.toString('utf16le', i, buf.length - 1);
+}
+
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) {
+    var end = this.lastTotal - this.lastNeed;
+    return r + this.lastChar.toString('utf16le', 0, end);
+  }
+  return r;
+}
+
+function base64Text(buf, i) {
+  var n = (buf.length - i) % 3;
+  if (n === 0) return buf.toString('base64', i);
+  this.lastNeed = 3 - n;
+  this.lastTotal = 3;
+  if (n === 1) {
+    this.lastChar[0] = buf[buf.length - 1];
+  } else {
+    this.lastChar[0] = buf[buf.length - 2];
+    this.lastChar[1] = buf[buf.length - 1];
+  }
+  return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+  return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+  return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+  return buf && buf.length ? this.write(buf) : '';
+}
\ No newline at end of file
diff --git a/node_modules/readable-stream/node_modules/string_decoder/package.json b/node_modules/readable-stream/node_modules/string_decoder/package.json
new file mode 100644
index 00000000..518c3eb9
--- /dev/null
+++ b/node_modules/readable-stream/node_modules/string_decoder/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "string_decoder",
+  "version": "1.1.1",
+  "description": "The string_decoder module from Node core",
+  "main": "lib/string_decoder.js",
+  "dependencies": {
+    "safe-buffer": "~5.1.0"
+  },
+  "devDependencies": {
+    "babel-polyfill": "^6.23.0",
+    "core-util-is": "^1.0.2",
+    "inherits": "^2.0.3",
+    "tap": "~0.4.8"
+  },
+  "scripts": {
+    "test": "tap test/parallel/*.js && node test/verify-dependencies",
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/string_decoder.git"
+  },
+  "homepage": "https://github.com/nodejs/string_decoder",
+  "keywords": [
+    "string",
+    "decoder",
+    "browser",
+    "browserify"
+  ],
+  "license": "MIT"
+}
diff --git a/node_modules/readable-stream/package.json b/node_modules/readable-stream/package.json
new file mode 100644
index 00000000..514c178e
--- /dev/null
+++ b/node_modules/readable-stream/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "readable-stream",
+  "version": "2.3.8",
+  "description": "Streams3, a user-land copy of the stream library from Node.js",
+  "main": "readable.js",
+  "dependencies": {
+    "core-util-is": "~1.0.0",
+    "inherits": "~2.0.3",
+    "isarray": "~1.0.0",
+    "process-nextick-args": "~2.0.0",
+    "safe-buffer": "~5.1.1",
+    "string_decoder": "~1.1.1",
+    "util-deprecate": "~1.0.1"
+  },
+  "devDependencies": {
+    "assert": "^1.4.0",
+    "babel-polyfill": "^6.9.1",
+    "buffer": "^4.9.0",
+    "lolex": "^2.3.2",
+    "nyc": "^6.4.0",
+    "tap": "^0.7.0",
+    "tape": "^4.8.0"
+  },
+  "scripts": {
+    "test": "tap test/parallel/*.js test/ours/*.js && node test/verify-dependencies.js",
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
+    "cover": "nyc npm test",
+    "report": "nyc report --reporter=lcov"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/readable-stream"
+  },
+  "keywords": [
+    "readable",
+    "stream",
+    "pipe"
+  ],
+  "browser": {
+    "util": false,
+    "./readable.js": "./readable-browser.js",
+    "./writable.js": "./writable-browser.js",
+    "./duplex.js": "./duplex-browser.js",
+    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
+  },
+  "nyc": {
+    "include": [
+      "lib/**.js"
+    ]
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/readable-stream/passthrough.js b/node_modules/readable-stream/passthrough.js
new file mode 100644
index 00000000..ffd791d7
--- /dev/null
+++ b/node_modules/readable-stream/passthrough.js
@@ -0,0 +1 @@
+module.exports = require('./readable').PassThrough
diff --git a/node_modules/readable-stream/readable-browser.js b/node_modules/readable-stream/readable-browser.js
new file mode 100644
index 00000000..e5037259
--- /dev/null
+++ b/node_modules/readable-stream/readable-browser.js
@@ -0,0 +1,7 @@
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
diff --git a/node_modules/readable-stream/readable.js b/node_modules/readable-stream/readable.js
new file mode 100644
index 00000000..ec89ec53
--- /dev/null
+++ b/node_modules/readable-stream/readable.js
@@ -0,0 +1,19 @@
+var Stream = require('stream');
+if (process.env.READABLE_STREAM === 'disable' && Stream) {
+  module.exports = Stream;
+  exports = module.exports = Stream.Readable;
+  exports.Readable = Stream.Readable;
+  exports.Writable = Stream.Writable;
+  exports.Duplex = Stream.Duplex;
+  exports.Transform = Stream.Transform;
+  exports.PassThrough = Stream.PassThrough;
+  exports.Stream = Stream;
+} else {
+  exports = module.exports = require('./lib/_stream_readable.js');
+  exports.Stream = Stream || exports;
+  exports.Readable = exports;
+  exports.Writable = require('./lib/_stream_writable.js');
+  exports.Duplex = require('./lib/_stream_duplex.js');
+  exports.Transform = require('./lib/_stream_transform.js');
+  exports.PassThrough = require('./lib/_stream_passthrough.js');
+}
diff --git a/node_modules/readable-stream/transform.js b/node_modules/readable-stream/transform.js
new file mode 100644
index 00000000..b1baba26
--- /dev/null
+++ b/node_modules/readable-stream/transform.js
@@ -0,0 +1 @@
+module.exports = require('./readable').Transform
diff --git a/node_modules/readable-stream/writable-browser.js b/node_modules/readable-stream/writable-browser.js
new file mode 100644
index 00000000..ebdde6a8
--- /dev/null
+++ b/node_modules/readable-stream/writable-browser.js
@@ -0,0 +1 @@
+module.exports = require('./lib/_stream_writable.js');
diff --git a/node_modules/readable-stream/writable.js b/node_modules/readable-stream/writable.js
new file mode 100644
index 00000000..3211a6f8
--- /dev/null
+++ b/node_modules/readable-stream/writable.js
@@ -0,0 +1,8 @@
+var Stream = require("stream")
+var Writable = require("./lib/_stream_writable.js")
+
+if (process.env.READABLE_STREAM === 'disable') {
+  module.exports = Stream && Stream.Writable || Writable
+} else {
+  module.exports = Writable
+}
diff --git a/node_modules/readdirp/LICENSE b/node_modules/readdirp/LICENSE
new file mode 100644
index 00000000..037cbb4e
--- /dev/null
+++ b/node_modules/readdirp/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2012-2019 Thorsten Lorenz, Paul Miller (https://paulmillr.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/readdirp/README.md b/node_modules/readdirp/README.md
new file mode 100644
index 00000000..465593c9
--- /dev/null
+++ b/node_modules/readdirp/README.md
@@ -0,0 +1,122 @@
+# readdirp [![Weekly downloads](https://img.shields.io/npm/dw/readdirp.svg)](https://github.com/paulmillr/readdirp)
+
+Recursive version of [fs.readdir](https://nodejs.org/api/fs.html#fs_fs_readdir_path_options_callback). Exposes a **stream API** and a **promise API**.
+
+
+```sh
+npm install readdirp
+```
+
+```javascript
+const readdirp = require('readdirp');
+
+// Use streams to achieve small RAM & CPU footprint.
+// 1) Streams example with for-await.
+for await (const entry of readdirp('.')) {
+  const {path} = entry;
+  console.log(`${JSON.stringify({path})}`);
+}
+
+// 2) Streams example, non for-await.
+// Print out all JS files along with their size within the current folder & subfolders.
+readdirp('.', {fileFilter: '*.js', alwaysStat: true})
+  .on('data', (entry) => {
+    const {path, stats: {size}} = entry;
+    console.log(`${JSON.stringify({path, size})}`);
+  })
+  // Optionally call stream.destroy() in `warn()` in order to abort and cause 'close' to be emitted
+  .on('warn', error => console.error('non-fatal error', error))
+  .on('error', error => console.error('fatal error', error))
+  .on('end', () => console.log('done'));
+
+// 3) Promise example. More RAM and CPU than streams / for-await.
+const files = await readdirp.promise('.');
+console.log(files.map(file => file.path));
+
+// Other options.
+readdirp('test', {
+  fileFilter: '*.js',
+  directoryFilter: ['!.git', '!*modules']
+  // directoryFilter: (di) => di.basename.length === 9
+  type: 'files_directories',
+  depth: 1
+});
+```
+
+For more examples, check out `examples` directory.
+
+## API
+
+`const stream = readdirp(root[, options])` — **Stream API**
+
+- Reads given root recursively and returns a `stream` of [entry infos](#entryinfo)
+- Optionally can be used like `for await (const entry of stream)` with node.js 10+ (`asyncIterator`).
+- `on('data', (entry) => {})` [entry info](#entryinfo) for every file / dir.
+- `on('warn', (error) => {})` non-fatal `Error` that prevents a file / dir from being processed. Example: inaccessible to the user.
+- `on('error', (error) => {})` fatal `Error` which also ends the stream. Example: illegal options where passed.
+- `on('end')` — we are done. Called when all entries were found and no more will be emitted.
+- `on('close')` — stream is destroyed via `stream.destroy()`.
+  Could be useful if you want to manually abort even on a non fatal error.
+  At that point the stream is no longer `readable` and no more entries, warning or errors are emitted
+- To learn more about streams, consult the very detailed [nodejs streams documentation](https://nodejs.org/api/stream.html)
+  or the [stream-handbook](https://github.com/substack/stream-handbook)
+
+`const entries = await readdirp.promise(root[, options])` — **Promise API**. Returns a list of [entry infos](#entryinfo).
+
+First argument is awalys `root`, path in which to start reading and recursing into subdirectories.
+
+### options
+
+- `fileFilter: ["*.js"]`: filter to include or exclude files. A `Function`, Glob string or Array of glob strings.
+    - **Function**: a function that takes an entry info as a parameter and returns true to include or false to exclude the entry
+    - **Glob string**: a string (e.g., `*.js`) which is matched using [picomatch](https://github.com/micromatch/picomatch), so go there for more
+        information. Globstars (`**`) are not supported since specifying a recursive pattern for an already recursive function doesn't make sense. Negated globs (as explained in the minimatch documentation) are allowed, e.g., `!*.txt` matches everything but text files.
+    - **Array of glob strings**: either need to be all inclusive or all exclusive (negated) patterns otherwise an error is thrown.
+        `['*.json', '*.js']` includes all JavaScript and Json files.
+        `['!.git', '!node_modules']` includes all directories except the '.git' and 'node_modules'.
+    - Directories that do not pass a filter will not be recursed into.
+- `directoryFilter: ['!.git']`: filter to include/exclude directories found and to recurse into. Directories that do not pass a filter will not be recursed into.
+- `depth: 5`: depth at which to stop recursing even if more subdirectories are found
+- `type: 'files'`: determines if data events on the stream should be emitted for `'files'` (default), `'directories'`, `'files_directories'`, or `'all'`. Setting to `'all'` will also include entries for other types of file descriptors like character devices, unix sockets and named pipes.
+- `alwaysStat: false`: always return `stats` property for every file. Default is `false`, readdirp will return `Dirent` entries. Setting it to `true` can double readdir execution time - use it only when you need file `size`, `mtime` etc. Cannot be enabled on node <10.10.0.
+- `lstat: false`: include symlink entries in the stream along with files. When `true`, `fs.lstat` would be used instead of `fs.stat`
+
+### `EntryInfo`
+
+Has the following properties:
+
+- `path: 'assets/javascripts/react.js'`: path to the file/directory (relative to given root)
+- `fullPath: '/Users/dev/projects/app/assets/javascripts/react.js'`: full path to the file/directory found
+- `basename: 'react.js'`: name of the file/directory
+- `dirent: fs.Dirent`: built-in [dir entry object](https://nodejs.org/api/fs.html#fs_class_fs_dirent) - only with `alwaysStat: false`
+- `stats: fs.Stats`: built in [stat object](https://nodejs.org/api/fs.html#fs_class_fs_stats) - only with `alwaysStat: true`
+
+## Changelog
+
+- 3.5 (Oct 13, 2020) disallows recursive directory-based symlinks.
+  Before, it could have entered infinite loop.
+- 3.4 (Mar 19, 2020) adds support for directory-based symlinks.
+- 3.3 (Dec 6, 2019) stabilizes RAM consumption and enables perf management with `highWaterMark` option. Fixes race conditions related to `for-await` looping.
+- 3.2 (Oct 14, 2019) improves performance by 250% and makes streams implementation more idiomatic.
+- 3.1 (Jul 7, 2019) brings `bigint` support to `stat` output on Windows. This is backwards-incompatible for some cases. Be careful. It you use it incorrectly, you'll see "TypeError: Cannot mix BigInt and other types, use explicit conversions".
+- 3.0 brings huge performance improvements and stream backpressure support.
+- Upgrading 2.x to 3.x:
+    - Signature changed from `readdirp(options)` to `readdirp(root, options)`
+    - Replaced callback API with promise API.
+    - Renamed `entryType` option to `type`
+    - Renamed `entryType: 'both'` to `'files_directories'`
+    - `EntryInfo`
+        - Renamed `stat` to `stats`
+            - Emitted only when `alwaysStat: true`
+            - `dirent` is emitted instead of `stats` by default with `alwaysStat: false`
+        - Renamed `name` to `basename`
+        - Removed `parentDir` and `fullParentDir` properties
+- Supported node.js versions:
+    - 3.x: node 8+
+    - 2.x: node 0.6+
+
+## License
+
+Copyright (c) 2012-2019 Thorsten Lorenz, Paul Miller (<https://paulmillr.com>)
+
+MIT License, see [LICENSE](LICENSE) file.
diff --git a/node_modules/readdirp/index.d.ts b/node_modules/readdirp/index.d.ts
new file mode 100644
index 00000000..cbbd76ca
--- /dev/null
+++ b/node_modules/readdirp/index.d.ts
@@ -0,0 +1,43 @@
+// TypeScript Version: 3.2
+
+/// <reference types="node" lib="esnext" />
+
+import * as fs from 'fs';
+import { Readable } from 'stream';
+
+declare namespace readdir {
+  interface EntryInfo {
+    path: string;
+    fullPath: string;
+    basename: string;
+    stats?: fs.Stats;
+    dirent?: fs.Dirent;
+  }
+
+  interface ReaddirpOptions {
+    root?: string;
+    fileFilter?: string | string[] | ((entry: EntryInfo) => boolean);
+    directoryFilter?: string | string[] | ((entry: EntryInfo) => boolean);
+    type?: 'files' | 'directories' | 'files_directories' | 'all';
+    lstat?: boolean;
+    depth?: number;
+    alwaysStat?: boolean;
+  }
+
+  interface ReaddirpStream extends Readable, AsyncIterable<EntryInfo> {
+    read(): EntryInfo;
+    [Symbol.asyncIterator](): AsyncIterableIterator<EntryInfo>;
+  }
+
+  function promise(
+    root: string,
+    options?: ReaddirpOptions
+  ): Promise<EntryInfo[]>;
+}
+
+declare function readdir(
+  root: string,
+  options?: readdir.ReaddirpOptions
+): readdir.ReaddirpStream;
+
+export = readdir;
diff --git a/node_modules/readdirp/index.js b/node_modules/readdirp/index.js
new file mode 100644
index 00000000..cf739b2d
--- /dev/null
+++ b/node_modules/readdirp/index.js
@@ -0,0 +1,287 @@
+'use strict';
+
+const fs = require('fs');
+const { Readable } = require('stream');
+const sysPath = require('path');
+const { promisify } = require('util');
+const picomatch = require('picomatch');
+
+const readdir = promisify(fs.readdir);
+const stat = promisify(fs.stat);
+const lstat = promisify(fs.lstat);
+const realpath = promisify(fs.realpath);
+
+/**
+ * @typedef {Object} EntryInfo
+ * @property {String} path
+ * @property {String} fullPath
+ * @property {fs.Stats=} stats
+ * @property {fs.Dirent=} dirent
+ * @property {String} basename
+ */
+
+const BANG = '!';
+const RECURSIVE_ERROR_CODE = 'READDIRP_RECURSIVE_ERROR';
+const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP', RECURSIVE_ERROR_CODE]);
+const FILE_TYPE = 'files';
+const DIR_TYPE = 'directories';
+const FILE_DIR_TYPE = 'files_directories';
+const EVERYTHING_TYPE = 'all';
+const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE];
+
+const isNormalFlowError = error => NORMAL_FLOW_ERRORS.has(error.code);
+const [maj, min] = process.versions.node.split('.').slice(0, 2).map(n => Number.parseInt(n, 10));
+const wantBigintFsStats = process.platform === 'win32' && (maj > 10 || (maj === 10 && min >= 5));
+
+const normalizeFilter = filter => {
+  if (filter === undefined) return;
+  if (typeof filter === 'function') return filter;
+
+  if (typeof filter === 'string') {
+    const glob = picomatch(filter.trim());
+    return entry => glob(entry.basename);
+  }
+
+  if (Array.isArray(filter)) {
+    const positive = [];
+    const negative = [];
+    for (const item of filter) {
+      const trimmed = item.trim();
+      if (trimmed.charAt(0) === BANG) {
+        negative.push(picomatch(trimmed.slice(1)));
+      } else {
+        positive.push(picomatch(trimmed));
+      }
+    }
+
+    if (negative.length > 0) {
+      if (positive.length > 0) {
+        return entry =>
+          positive.some(f => f(entry.basename)) && !negative.some(f => f(entry.basename));
+      }
+      return entry => !negative.some(f => f(entry.basename));
+    }
+    return entry => positive.some(f => f(entry.basename));
+  }
+};
+
+class ReaddirpStream extends Readable {
+  static get defaultOptions() {
+    return {
+      root: '.',
+      /* eslint-disable no-unused-vars */
+      fileFilter: (path) => true,
+      directoryFilter: (path) => true,
+      /* eslint-enable no-unused-vars */
+      type: FILE_TYPE,
+      lstat: false,
+      depth: 2147483648,
+      alwaysStat: false
+    };
+  }
+
+  constructor(options = {}) {
+    super({
+      objectMode: true,
+      autoDestroy: true,
+      highWaterMark: options.highWaterMark || 4096
+    });
+    const opts = { ...ReaddirpStream.defaultOptions, ...options };
+    const { root, type } = opts;
+
+    this._fileFilter = normalizeFilter(opts.fileFilter);
+    this._directoryFilter = normalizeFilter(opts.directoryFilter);
+
+    const statMethod = opts.lstat ? lstat : stat;
+    // Use bigint stats if it's windows and stat() supports options (node 10+).
+    if (wantBigintFsStats) {
+      this._stat = path => statMethod(path, { bigint: true });
+    } else {
+      this._stat = statMethod;
+    }
+
+    this._maxDepth = opts.depth;
+    this._wantsDir = [DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
+    this._wantsFile = [FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
+    this._wantsEverything = type === EVERYTHING_TYPE;
+    this._root = sysPath.resolve(root);
+    this._isDirent = ('Dirent' in fs) && !opts.alwaysStat;
+    this._statsProp = this._isDirent ? 'dirent' : 'stats';
+    this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent };
+
+    // Launch stream with one parent, the root dir.
+    this.parents = [this._exploreDir(root, 1)];
+    this.reading = false;
+    this.parent = undefined;
+  }
+
+  async _read(batch) {
+    if (this.reading) return;
+    this.reading = true;
+
+    try {
+      while (!this.destroyed && batch > 0) {
+        const { path, depth, files = [] } = this.parent || {};
+
+        if (files.length > 0) {
+          const slice = files.splice(0, batch).map(dirent => this._formatEntry(dirent, path));
+          for (const entry of await Promise.all(slice)) {
+            if (this.destroyed) return;
+
+            const entryType = await this._getEntryType(entry);
+            if (entryType === 'directory' && this._directoryFilter(entry)) {
+              if (depth <= this._maxDepth) {
+                this.parents.push(this._exploreDir(entry.fullPath, depth + 1));
+              }
+
+              if (this._wantsDir) {
+                this.push(entry);
+                batch--;
+              }
+            } else if ((entryType === 'file' || this._includeAsFile(entry)) && this._fileFilter(entry)) {
+              if (this._wantsFile) {
+                this.push(entry);
+                batch--;
+              }
+            }
+          }
+        } else {
+          const parent = this.parents.pop();
+          if (!parent) {
+            this.push(null);
+            break;
+          }
+          this.parent = await parent;
+          if (this.destroyed) return;
+        }
+      }
+    } catch (error) {
+      this.destroy(error);
+    } finally {
+      this.reading = false;
+    }
+  }
+
+  async _exploreDir(path, depth) {
+    let files;
+    try {
+      files = await readdir(path, this._rdOptions);
+    } catch (error) {
+      this._onError(error);
+    }
+    return { files, depth, path };
+  }
+
+  async _formatEntry(dirent, path) {
+    let entry;
+    try {
+      const basename = this._isDirent ? dirent.name : dirent;
+      const fullPath = sysPath.resolve(sysPath.join(path, basename));
+      entry = { path: sysPath.relative(this._root, fullPath), fullPath, basename };
+      entry[this._statsProp] = this._isDirent ? dirent : await this._stat(fullPath);
+    } catch (err) {
+      this._onError(err);
+    }
+    return entry;
+  }
+
+  _onError(err) {
+    if (isNormalFlowError(err) && !this.destroyed) {
+      this.emit('warn', err);
+    } else {
+      this.destroy(err);
+    }
+  }
+
+  async _getEntryType(entry) {
+    // entry may be undefined, because a warning or an error were emitted
+    // and the statsProp is undefined
+    const stats = entry && entry[this._statsProp];
+    if (!stats) {
+      return;
+    }
+    if (stats.isFile()) {
+      return 'file';
+    }
+    if (stats.isDirectory()) {
+      return 'directory';
+    }
+    if (stats && stats.isSymbolicLink()) {
+      const full = entry.fullPath;
+      try {
+        const entryRealPath = await realpath(full);
+        const entryRealPathStats = await lstat(entryRealPath);
+        if (entryRealPathStats.isFile()) {
+          return 'file';
+        }
+        if (entryRealPathStats.isDirectory()) {
+          const len = entryRealPath.length;
+          if (full.startsWith(entryRealPath) && full.substr(len, 1) === sysPath.sep) {
+            const recursiveError = new Error(
+              `Circular symlink detected: "${full}" points to "${entryRealPath}"`
+            );
+            recursiveError.code = RECURSIVE_ERROR_CODE;
+            return this._onError(recursiveError);
+          }
+          return 'directory';
+        }
+      } catch (error) {
+        this._onError(error);
+      }
+    }
+  }
+
+  _includeAsFile(entry) {
+    const stats = entry && entry[this._statsProp];
+
+    return stats && this._wantsEverything && !stats.isDirectory();
+  }
+}
+
+/**
+ * @typedef {Object} ReaddirpArguments
+ * @property {Function=} fileFilter
+ * @property {Function=} directoryFilter
+ * @property {String=} type
+ * @property {Number=} depth
+ * @property {String=} root
+ * @property {Boolean=} lstat
+ * @property {Boolean=} bigint
+ */
+
+/**
+ * Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
+ * @param {String} root Root directory
+ * @param {ReaddirpArguments=} options Options to specify root (start directory), filters and recursion depth
+ */
+const readdirp = (root, options = {}) => {
+  let type = options.entryType || options.type;
+  if (type === 'both') type = FILE_DIR_TYPE; // backwards-compatibility
+  if (type) options.type = type;
+  if (!root) {
+    throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)');
+  } else if (typeof root !== 'string') {
+    throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)');
+  } else if (type && !ALL_TYPES.includes(type)) {
+    throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`);
+  }
+
+  options.root = root;
+  return new ReaddirpStream(options);
+};
+
+const readdirpPromise = (root, options = {}) => {
+  return new Promise((resolve, reject) => {
+    const files = [];
+    readdirp(root, options)
+      .on('data', entry => files.push(entry))
+      .on('end', () => resolve(files))
+      .on('error', error => reject(error));
+  });
+};
+
+readdirp.promise = readdirpPromise;
+readdirp.ReaddirpStream = ReaddirpStream;
+readdirp.default = readdirp;
+
+module.exports = readdirp;
diff --git a/node_modules/readdirp/package.json b/node_modules/readdirp/package.json
new file mode 100644
index 00000000..dba53888
--- /dev/null
+++ b/node_modules/readdirp/package.json
@@ -0,0 +1,122 @@
+{
+  "name": "readdirp",
+  "description": "Recursive version of fs.readdir with streaming API.",
+  "version": "3.6.0",
+  "homepage": "https://github.com/paulmillr/readdirp",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/paulmillr/readdirp.git"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/paulmillr/readdirp/issues"
+  },
+  "author": "Thorsten Lorenz <thlorenz@gmx.de> (thlorenz.com)",
+  "contributors": [
+    "Thorsten Lorenz <thlorenz@gmx.de> (thlorenz.com)",
+    "Paul Miller (https://paulmillr.com)"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=8.10.0"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "keywords": [
+    "recursive",
+    "fs",
+    "stream",
+    "streams",
+    "readdir",
+    "filesystem",
+    "find",
+    "filter"
+  ],
+  "scripts": {
+    "dtslint": "dtslint",
+    "nyc": "nyc",
+    "mocha": "mocha --exit",
+    "lint": "eslint --report-unused-disable-directives --ignore-path .gitignore .",
+    "test": "npm run lint && nyc npm run mocha"
+  },
+  "dependencies": {
+    "picomatch": "^2.2.1"
+  },
+  "devDependencies": {
+    "@types/node": "^14",
+    "chai": "^4.2",
+    "chai-subset": "^1.6",
+    "dtslint": "^3.3.0",
+    "eslint": "^7.0.0",
+    "mocha": "^7.1.1",
+    "nyc": "^15.0.0",
+    "rimraf": "^3.0.0",
+    "typescript": "^4.0.3"
+  },
+  "nyc": {
+    "reporter": [
+      "html",
+      "text"
+    ]
+  },
+  "eslintConfig": {
+    "root": true,
+    "extends": "eslint:recommended",
+    "parserOptions": {
+      "ecmaVersion": 9,
+      "sourceType": "script"
+    },
+    "env": {
+      "node": true,
+      "es6": true
+    },
+    "rules": {
+      "array-callback-return": "error",
+      "no-empty": [
+        "error",
+        {
+          "allowEmptyCatch": true
+        }
+      ],
+      "no-else-return": [
+        "error",
+        {
+          "allowElseIf": false
+        }
+      ],
+      "no-lonely-if": "error",
+      "no-var": "error",
+      "object-shorthand": "error",
+      "prefer-arrow-callback": [
+        "error",
+        {
+          "allowNamedFunctions": true
+        }
+      ],
+      "prefer-const": [
+        "error",
+        {
+          "ignoreReadBeforeAssign": true
+        }
+      ],
+      "prefer-destructuring": [
+        "error",
+        {
+          "object": true,
+          "array": false
+        }
+      ],
+      "prefer-spread": "error",
+      "prefer-template": "error",
+      "radix": "error",
+      "semi": "error",
+      "strict": "error",
+      "quotes": [
+        "error",
+        "single"
+      ]
+    }
+  }
+}
diff --git a/node_modules/regex-not/LICENSE b/node_modules/regex-not/LICENSE
new file mode 100644
index 00000000..8ee09d91
--- /dev/null
+++ b/node_modules/regex-not/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016, 2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/regex-not/README.md b/node_modules/regex-not/README.md
new file mode 100644
index 00000000..24d00e7d
--- /dev/null
+++ b/node_modules/regex-not/README.md
@@ -0,0 +1,133 @@
+# regex-not [![NPM version](https://img.shields.io/npm/v/regex-not.svg?style=flat)](https://www.npmjs.com/package/regex-not) [![NPM monthly downloads](https://img.shields.io/npm/dm/regex-not.svg?style=flat)](https://npmjs.org/package/regex-not) [![NPM total downloads](https://img.shields.io/npm/dt/regex-not.svg?style=flat)](https://npmjs.org/package/regex-not) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/regex-not.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/regex-not)
+
+> Create a javascript regular expression for matching everything except for the given string.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save regex-not
+```
+
+## Usage
+
+```js
+var not = require('regex-not');
+```
+
+The main export is a function that takes a string an options object.
+
+```js
+not(string[, options]);
+```
+
+**Example**
+
+```js
+var not = require('regex-not');
+console.log(not('foo'));
+//=> /^(?:(?!^(?:foo)$).)+$/
+```
+
+**Strict matching**
+
+By default, the returned regex is for strictly (not) matching the exact given pattern (in other words, "match this string if it does NOT _exactly equal_ `foo`"):
+
+```js
+var re = not('foo');
+console.log(re.test('foo'));     //=> false
+console.log(re.test('bar'));     //=> true
+console.log(re.test('foobar'));  //=> true
+console.log(re.test('barfoo'));  //=> true
+```
+
+### .create
+
+Returns a string to allow you to create your own regex:
+
+```js
+console.log(not.create('foo'));
+//=> '(?:(?!^(?:foo)$).)+'
+```
+
+### Options
+
+**options.contains**
+
+You can relax strict matching by setting `options.contains` to true (in other words, "match this string if it does NOT _contain_ `foo`"):
+
+```js
+var re = not('foo');
+console.log(re.test('foo', {contains: true}));     //=> false
+console.log(re.test('bar', {contains: true}));     //=> true
+console.log(re.test('foobar', {contains: true}));  //=> false
+console.log(re.test('barfoo', {contains: true}));  //=> false
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [regex-cache](https://www.npmjs.com/package/regex-cache): Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of… [more](https://github.com/jonschlinkert/regex-cache) | [homepage](https://github.com/jonschlinkert/regex-cache "Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in surprising performance improvements.")
+* [to-regex](https://www.npmjs.com/package/to-regex): Generate a regex from a string or array of strings. | [homepage](https://github.com/jonschlinkert/to-regex "Generate a regex from a string or array of strings.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 9 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [doowb](https://github.com/doowb) |
+| 1 | [EdwardBetts](https://github.com/EdwardBetts) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 19, 2018._
\ No newline at end of file
diff --git a/node_modules/regex-not/index.js b/node_modules/regex-not/index.js
new file mode 100644
index 00000000..02bfed4a
--- /dev/null
+++ b/node_modules/regex-not/index.js
@@ -0,0 +1,72 @@
+'use strict';
+
+var extend = require('extend-shallow');
+var safe = require('safe-regex');
+
+/**
+ * The main export is a function that takes a `pattern` string and an `options` object.
+ *
+ * ```js
+ & var not = require('regex-not');
+ & console.log(not('foo'));
+ & //=> /^(?:(?!^(?:foo)$).)*$/
+ * ```
+ *
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {RegExp} Converts the given `pattern` to a regex using the specified `options`.
+ * @api public
+ */
+
+function toRegex(pattern, options) {
+  return new RegExp(toRegex.create(pattern, options));
+}
+
+/**
+ * Create a regex-compatible string from the given `pattern` and `options`.
+ *
+ * ```js
+ & var not = require('regex-not');
+ & console.log(not.create('foo'));
+ & //=> '^(?:(?!^(?:foo)$).)*$'
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+toRegex.create = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  var opts = extend({}, options);
+  if (opts.contains === true) {
+    opts.strictNegate = false;
+  }
+
+  var open = opts.strictOpen !== false ? '^' : '';
+  var close = opts.strictClose !== false ? '$' : '';
+  var endChar = opts.endChar ? opts.endChar : '+';
+  var str = pattern;
+
+  if (opts.strictNegate === false) {
+    str = '(?:(?!(?:' + pattern + ')).)' + endChar;
+  } else {
+    str = '(?:(?!^(?:' + pattern + ')$).)' + endChar;
+  }
+
+  var res = open + str + close;
+  if (opts.safe === true && safe(res) === false) {
+    throw new Error('potentially unsafe regular expression: ' + res);
+  }
+
+  return res;
+};
+
+/**
+ * Expose `toRegex`
+ */
+
+module.exports = toRegex;
diff --git a/node_modules/regex-not/package.json b/node_modules/regex-not/package.json
new file mode 100644
index 00000000..0320d532
--- /dev/null
+++ b/node_modules/regex-not/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "regex-not",
+  "description": "Create a javascript regular expression for matching everything except for the given string.",
+  "version": "1.0.2",
+  "homepage": "https://github.com/jonschlinkert/regex-not",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/regex-not",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/regex-not/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "extend-shallow": "^3.0.2",
+    "safe-regex": "^1.1.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "exec",
+    "match",
+    "negate",
+    "negation",
+    "not",
+    "regex",
+    "regular expression",
+    "test"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "regex-cache",
+        "to-regex"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/remove-trailing-separator/history.md b/node_modules/remove-trailing-separator/history.md
new file mode 100644
index 00000000..e15e8a46
--- /dev/null
+++ b/node_modules/remove-trailing-separator/history.md
@@ -0,0 +1,17 @@
+## History
+
+### 1.1.0 - 16th Aug 2017
+
+- [f4576e3](https://github.com/darsain/remove-trailing-separator/commit/f4576e3638c39b794998b533fffb27854dcbee01) Implement faster slash slicing
+
+### 1.0.2 - 07th Jun 2017
+
+- [8e13ecb](https://github.com/darsain/remove-trailing-separator/commit/8e13ecbfd7b9f5fdf97c5d5ff923e4718b874e31) ES5 compatibility
+
+### 1.0.1 - 25th Sep 2016
+
+- [b78606d](https://github.com/darsain/remove-trailing-separator/commit/af90b4e153a4527894741af6c7005acaeb78606d) Remove backslash only on win32 systems
+
+### 1.0.0 - 24th Sep 2016
+
+Initial release.
diff --git a/node_modules/remove-trailing-separator/index.js b/node_modules/remove-trailing-separator/index.js
new file mode 100644
index 00000000..512306b8
--- /dev/null
+++ b/node_modules/remove-trailing-separator/index.js
@@ -0,0 +1,17 @@
+var isWin = process.platform === 'win32';
+
+module.exports = function (str) {
+	var i = str.length - 1;
+	if (i < 2) {
+		return str;
+	}
+	while (isSeparator(str, i)) {
+		i--;
+	}
+	return str.substr(0, i + 1);
+};
+
+function isSeparator(str, i) {
+	var char = str[i];
+	return i > 0 && (char === '/' || (isWin && char === '\\'));
+}
diff --git a/node_modules/remove-trailing-separator/license b/node_modules/remove-trailing-separator/license
new file mode 100644
index 00000000..a169aff7
--- /dev/null
+++ b/node_modules/remove-trailing-separator/license
@@ -0,0 +1,3 @@
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/remove-trailing-separator/package.json b/node_modules/remove-trailing-separator/package.json
new file mode 100644
index 00000000..47ef27a2
--- /dev/null
+++ b/node_modules/remove-trailing-separator/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "remove-trailing-separator",
+  "version": "1.1.0",
+  "description": "Removes separators from the end of the string.",
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "xo",
+    "pretest": "npm run lint",
+    "test": "nyc ava",
+    "report": "nyc report --reporter=html"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/darsain/remove-trailing-separator.git"
+  },
+  "keywords": [
+    "remove",
+    "strip",
+    "trailing",
+    "separator"
+  ],
+  "author": "darsain",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/darsain/remove-trailing-separator/issues"
+  },
+  "homepage": "https://github.com/darsain/remove-trailing-separator#readme",
+  "devDependencies": {
+    "ava": "^0.16.0",
+    "coveralls": "^2.11.14",
+    "nyc": "^8.3.0",
+    "xo": "^0.16.0"
+  }
+}
diff --git a/node_modules/remove-trailing-separator/readme.md b/node_modules/remove-trailing-separator/readme.md
new file mode 100644
index 00000000..747086af
--- /dev/null
+++ b/node_modules/remove-trailing-separator/readme.md
@@ -0,0 +1,51 @@
+# remove-trailing-separator
+
+[![NPM version][npm-img]][npm-url] [![Build Status: Linux][travis-img]][travis-url] [![Build Status: Windows][appveyor-img]][appveyor-url] [![Coverage Status][coveralls-img]][coveralls-url]
+
+Removes all separators from the end of a string.
+
+## Install
+
+```
+npm install remove-trailing-separator
+```
+
+## Examples
+
+```js
+const removeTrailingSeparator = require('remove-trailing-separator');
+
+removeTrailingSeparator('/foo/bar/')   // '/foo/bar'
+removeTrailingSeparator('/foo/bar///') // '/foo/bar'
+
+// leaves only/last separator
+removeTrailingSeparator('/')    // '/'
+removeTrailingSeparator('///')  // '/'
+
+// returns empty string
+removeTrailingSeparator('') // ''
+```
+
+## Notable backslash, or win32 separator behavior
+
+`\` is considered a separator only on WIN32 systems. All POSIX compliant systems
+see backslash as a valid file name character, so it would break POSIX compliance
+to remove it there.
+
+In practice, this means that this code will return different things depending on
+what system it runs on:
+
+```js
+removeTrailingSeparator('\\foo\\')
+// UNIX  => '\\foo\\'
+// WIN32 => '\\foo'
+```
+
+[npm-url]: https://npmjs.org/package/remove-trailing-separator
+[npm-img]: https://badge.fury.io/js/remove-trailing-separator.svg
+[travis-url]: https://travis-ci.org/darsain/remove-trailing-separator
+[travis-img]: https://travis-ci.org/darsain/remove-trailing-separator.svg?branch=master
+[appveyor-url]: https://ci.appveyor.com/project/darsain/remove-trailing-separator/branch/master
+[appveyor-img]: https://ci.appveyor.com/api/projects/status/wvg9a93rrq95n2xl/branch/master?svg=true
+[coveralls-url]: https://coveralls.io/github/darsain/remove-trailing-separator?branch=master
+[coveralls-img]: https://coveralls.io/repos/github/darsain/remove-trailing-separator/badge.svg?branch=master
diff --git a/node_modules/repeat-element/LICENSE b/node_modules/repeat-element/LICENSE
new file mode 100644
index 00000000..7cccaf9e
--- /dev/null
+++ b/node_modules/repeat-element/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/repeat-element/README.md b/node_modules/repeat-element/README.md
new file mode 100644
index 00000000..6006418b
--- /dev/null
+++ b/node_modules/repeat-element/README.md
@@ -0,0 +1,99 @@
+# repeat-element [![NPM version](https://img.shields.io/npm/v/repeat-element.svg?style=flat)](https://www.npmjs.com/package/repeat-element) [![NPM monthly downloads](https://img.shields.io/npm/dm/repeat-element.svg?style=flat)](https://npmjs.org/package/repeat-element) [![NPM total downloads](https://img.shields.io/npm/dt/repeat-element.svg?style=flat)](https://npmjs.org/package/repeat-element) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/repeat-element.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/repeat-element)
+
+> Create an array by repeating the given value n times.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save repeat-element
+```
+
+## Usage
+
+```js
+const repeat = require('repeat-element');
+
+repeat('a', 5);
+//=> ['a', 'a', 'a', 'a', 'a']
+
+repeat('a', 1);
+//=> ['a']
+
+repeat('a', 0);
+//=> []
+
+repeat(null, 5)
+//» [ null, null, null, null, null ]
+
+repeat({some: 'object'}, 5)
+//» [ { some: 'object' },
+//    { some: 'object' },
+//    { some: 'object' },
+//    { some: 'object' },
+//    { some: 'object' } ]
+
+repeat(5, 5)
+//» [ 5, 5, 5, 5, 5 ]
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 17 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 3 | [LinusU](https://github.com/LinusU) |
+| 1 | [architectcodes](https://github.com/architectcodes) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on August 19, 2018._
\ No newline at end of file
diff --git a/node_modules/repeat-element/index.js b/node_modules/repeat-element/index.js
new file mode 100644
index 00000000..dde8a27f
--- /dev/null
+++ b/node_modules/repeat-element/index.js
@@ -0,0 +1,22 @@
+/*!
+ * repeat-element <https://github.com/jonschlinkert/repeat-element>
+ *
+ * Copyright (c) 2015-present, Jon Schlinkert.
+ * Licensed under the MIT license.
+ */
+
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  if (Array.prototype.fill) {
+    return new Array(num).fill(ele);
+  }
+
+  var arr = new Array(num);
+
+  for (var i = 0; i < num; i++) {
+    arr[i] = ele;
+  }
+
+  return arr;
+};
diff --git a/node_modules/repeat-element/package.json b/node_modules/repeat-element/package.json
new file mode 100644
index 00000000..537055f4
--- /dev/null
+++ b/node_modules/repeat-element/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "repeat-element",
+  "description": "Create an array by repeating the given value n times.",
+  "version": "1.1.4",
+  "homepage": "https://github.com/jonschlinkert/repeat-element",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/repeat-element",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/repeat-element/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "benchmarked": "^2.0.0",
+    "chalk": "^2.4.1",
+    "glob": "^7.1.2",
+    "gulp-format-md": "^1.0.0",
+    "minimist": "^1.2.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "array",
+    "element",
+    "repeat",
+    "string"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/repeat-string/LICENSE b/node_modules/repeat-string/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/repeat-string/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/repeat-string/README.md b/node_modules/repeat-string/README.md
new file mode 100644
index 00000000..aaa5e91c
--- /dev/null
+++ b/node_modules/repeat-string/README.md
@@ -0,0 +1,136 @@
+# repeat-string [![NPM version](https://img.shields.io/npm/v/repeat-string.svg?style=flat)](https://www.npmjs.com/package/repeat-string) [![NPM monthly downloads](https://img.shields.io/npm/dm/repeat-string.svg?style=flat)](https://npmjs.org/package/repeat-string)  [![NPM total downloads](https://img.shields.io/npm/dt/repeat-string.svg?style=flat)](https://npmjs.org/package/repeat-string) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/repeat-string.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/repeat-string)
+
+> Repeat the given string n times. Fastest implementation for repeating a string.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save repeat-string
+```
+
+## Usage
+
+### [repeat](index.js#L41)
+
+Repeat the given `string` the specified `number` of times.
+
+**Example:**
+
+**Example**
+
+```js
+var repeat = require('repeat-string');
+repeat('A', 5);
+//=> AAAAA
+```
+
+**Params**
+
+* `string` **{String}**: The string to repeat
+* `number` **{Number}**: The number of times to repeat the string
+* `returns` **{String}**: Repeated string
+
+## Benchmarks
+
+Repeat string is significantly faster than the native method (which is itself faster than [repeating](https://github.com/sindresorhus/repeating)):
+
+```sh
+# 2x
+repeat-string  █████████████████████████  (26,953,977 ops/sec)
+repeating      █████████                  (9,855,695 ops/sec)
+native         ██████████████████         (19,453,895 ops/sec)
+
+# 3x
+repeat-string  █████████████████████████  (19,445,252 ops/sec)
+repeating      ███████████                (8,661,565 ops/sec)
+native         ████████████████████       (16,020,598 ops/sec)
+
+# 10x
+repeat-string  █████████████████████████  (23,792,521 ops/sec)
+repeating      █████████                  (8,571,332 ops/sec)
+native         ███████████████            (14,582,955 ops/sec)
+
+# 50x
+repeat-string  █████████████████████████  (23,640,179 ops/sec)
+repeating      █████                      (5,505,509 ops/sec)
+native         ██████████                 (10,085,557 ops/sec)
+
+# 250x
+repeat-string  █████████████████████████  (23,489,618 ops/sec)
+repeating      ████                       (3,962,937 ops/sec)
+native         ████████                   (7,724,892 ops/sec)
+
+# 2000x
+repeat-string  █████████████████████████  (20,315,172 ops/sec)
+repeating      ████                       (3,297,079 ops/sec)
+native         ███████                    (6,203,331 ops/sec)
+
+# 20000x
+repeat-string  █████████████████████████  (23,382,915 ops/sec)
+repeating      ███                        (2,980,058 ops/sec)
+native         █████                      (5,578,808 ops/sec)
+```
+
+**Run the benchmarks**
+
+Install dev dependencies:
+
+```sh
+npm i -d && node benchmark
+```
+
+## About
+
+### Related projects
+
+[repeat-element](https://www.npmjs.com/package/repeat-element): Create an array by repeating the given value n times. | [homepage](https://github.com/jonschlinkert/repeat-element "Create an array by repeating the given value n times.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor**<br/> | 
+| --- | --- |
+| 51 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [LinusU](https://github.com/LinusU) |
+| 2 | [tbusser](https://github.com/tbusser) |
+| 1 | [doowb](https://github.com/doowb) |
+| 1 | [wooorm](https://github.com/wooorm) |
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](http://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/repeat-string/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.2.0, on October 23, 2016._
\ No newline at end of file
diff --git a/node_modules/repeat-string/index.js b/node_modules/repeat-string/index.js
new file mode 100644
index 00000000..4459afd8
--- /dev/null
+++ b/node_modules/repeat-string/index.js
@@ -0,0 +1,70 @@
+/*!
+ * repeat-string <https://github.com/jonschlinkert/repeat-string>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+/**
+ * Results cache
+ */
+
+var res = '';
+var cache;
+
+/**
+ * Expose `repeat`
+ */
+
+module.exports = repeat;
+
+/**
+ * Repeat the given `string` the specified `number`
+ * of times.
+ *
+ * **Example:**
+ *
+ * ```js
+ * var repeat = require('repeat-string');
+ * repeat('A', 5);
+ * //=> AAAAA
+ * ```
+ *
+ * @param {String} `string` The string to repeat
+ * @param {Number} `number` The number of times to repeat the string
+ * @return {String} Repeated string
+ * @api public
+ */
+
+function repeat(str, num) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  // cover common, quick use cases
+  if (num === 1) return str;
+  if (num === 2) return str + str;
+
+  var max = str.length * num;
+  if (cache !== str || typeof cache === 'undefined') {
+    cache = str;
+    res = '';
+  } else if (res.length >= max) {
+    return res.substr(0, max);
+  }
+
+  while (max > res.length && num > 1) {
+    if (num & 1) {
+      res += str;
+    }
+
+    num >>= 1;
+    str += str;
+  }
+
+  res += str;
+  res = res.substr(0, max);
+  return res;
+}
diff --git a/node_modules/repeat-string/package.json b/node_modules/repeat-string/package.json
new file mode 100644
index 00000000..09f88929
--- /dev/null
+++ b/node_modules/repeat-string/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "repeat-string",
+  "description": "Repeat the given string n times. Fastest implementation for repeating a string.",
+  "version": "1.6.1",
+  "homepage": "https://github.com/jonschlinkert/repeat-string",
+  "author": "Jon Schlinkert (http://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward <brian.woodward@gmail.com> (https://github.com/doowb)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)",
+    "Linus Unnebäck <linus@folkdatorn.se> (http://linus.unnebäck.se)",
+    "Thijs Busser <tbusser@gmail.com> (http://tbusser.net)",
+    "Titus <tituswormer@gmail.com> (wooorm.com)"
+  ],
+  "repository": "jonschlinkert/repeat-string",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/repeat-string/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "ansi-cyan": "^0.1.1",
+    "benchmarked": "^0.2.5",
+    "gulp-format-md": "^0.1.11",
+    "isobject": "^2.1.0",
+    "mocha": "^3.1.2",
+    "repeating": "^3.0.0",
+    "text-table": "^0.2.0",
+    "yargs-parser": "^4.0.2"
+  },
+  "keywords": [
+    "fast",
+    "fastest",
+    "fill",
+    "left",
+    "left-pad",
+    "multiple",
+    "pad",
+    "padding",
+    "repeat",
+    "repeating",
+    "repetition",
+    "right",
+    "right-pad",
+    "string",
+    "times"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "repeat-element"
+      ]
+    },
+    "helpers": [
+      "./benchmark/helper.js"
+    ],
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/resolve-url/.jshintrc b/node_modules/resolve-url/.jshintrc
new file mode 100644
index 00000000..8703acd7
--- /dev/null
+++ b/node_modules/resolve-url/.jshintrc
@@ -0,0 +1,44 @@
+{
+  "bitwise": true,
+  "camelcase": true,
+  "curly": false,
+  "eqeqeq": true,
+  "es3": true,
+  "forin": true,
+  "immed": false,
+  "indent": false,
+  "latedef": "nofunc",
+  "newcap": false,
+  "noarg": true,
+  "noempty": true,
+  "nonew": false,
+  "plusplus": false,
+  "quotmark": false,
+  "undef": true,
+  "unused": "vars",
+  "strict": false,
+  "trailing": true,
+  "maxparams": 5,
+  "maxdepth": false,
+  "maxstatements": false,
+  "maxcomplexity": false,
+  "maxlen": 100,
+
+  "asi": true,
+  "expr": true,
+  "globalstrict": true,
+  "smarttabs": true,
+  "sub": true,
+
+  "node": true,
+  "browser": true,
+  "globals": {
+    "describe": false,
+    "it": false,
+    "before": false,
+    "beforeEach": false,
+    "after": false,
+    "afterEach": false,
+    "define": false
+  }
+}
diff --git a/node_modules/resolve-url/LICENSE b/node_modules/resolve-url/LICENSE
new file mode 100644
index 00000000..0595be36
--- /dev/null
+++ b/node_modules/resolve-url/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 Simon Lydell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/resolve-url/bower.json b/node_modules/resolve-url/bower.json
new file mode 100644
index 00000000..31aa6f4e
--- /dev/null
+++ b/node_modules/resolve-url/bower.json
@@ -0,0 +1,15 @@
+{
+  "name": "resolve-url",
+  "version": "0.2.1",
+  "description": "Like Node.js’ `path.resolve`/`url.resolve` for the browser.",
+  "authors": ["Simon Lydell"],
+  "license": "MIT",
+  "main": "resolve-url.js",
+  "keywords": [
+    "resolve",
+    "url"
+  ],
+  "ignore": [
+    ".*"
+  ]
+}
diff --git a/node_modules/resolve-url/changelog.md b/node_modules/resolve-url/changelog.md
new file mode 100644
index 00000000..2a4a6304
--- /dev/null
+++ b/node_modules/resolve-url/changelog.md
@@ -0,0 +1,15 @@
+### Version 0.2.1 (2014-02-25) ###
+
+- Fix edge case when (accidentally) supplying only one argument, and that
+  argument happens to be a falsy value such as `undefined` or `null`.
+
+
+### Version 0.2.0 (2014-02-24) ###
+
+- Disallow passing 0 arguments. It’s weird and inconsistent between browsers.
+  (Backwards incompatible change.)
+
+
+### Version 0.1.0 (2014-02-23) ###
+
+- Initial release.
diff --git a/node_modules/resolve-url/component.json b/node_modules/resolve-url/component.json
new file mode 100644
index 00000000..f37cf005
--- /dev/null
+++ b/node_modules/resolve-url/component.json
@@ -0,0 +1,15 @@
+{
+  "name": "resolve-url",
+  "version": "0.2.1",
+  "license": "MIT",
+  "description": "Like Node.js’ `path.resolve`/`url.resolve` for the browser.",
+  "main": "resolve-url.js",
+  "repo": "lydell/resolve-url",
+  "keywords": [
+    "resolve",
+    "url"
+  ],
+  "scripts": [
+    "resolve-url.js"
+  ]
+}
diff --git a/node_modules/resolve-url/package.json b/node_modules/resolve-url/package.json
new file mode 100644
index 00000000..94423663
--- /dev/null
+++ b/node_modules/resolve-url/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "resolve-url",
+  "version": "0.2.1",
+  "description": "Like Node.js’ `path.resolve`/`url.resolve` for the browser.",
+  "author": "Simon Lydell",
+  "license": "MIT",
+  "main": "resolve-url.js",
+  "repository": "lydell/resolve-url",
+  "keywords": [
+    "resolve",
+    "url"
+  ],
+  "scripts": {
+    "test": "jshint resolve-url.js test/ && testling -u"
+  },
+  "devDependencies": {
+    "testling": "~1.6.0",
+    "jshint": "~2.4.3",
+    "tape": "~2.5.0"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "chrome/latest",
+      "firefox/latest",
+      "opera/12",
+      "opera/latest",
+      "safari/5",
+      "iphone/6",
+      "android-browser/4"
+    ]
+  }
+}
diff --git a/node_modules/resolve-url/readme.md b/node_modules/resolve-url/readme.md
new file mode 100644
index 00000000..1f864e8d
--- /dev/null
+++ b/node_modules/resolve-url/readme.md
@@ -0,0 +1,83 @@
+Overview
+========
+
+[![browser support](https://ci.testling.com/lydell/resolve-url.png)](https://ci.testling.com/lydell/resolve-url)
+
+Like Node.js’ [`path.resolve`]/[`url.resolve`] for the browser.
+
+```js
+var resolveUrl = require("resolve-url")
+
+window.location
+// https://example.com/articles/resolving-urls/edit
+
+resolveUrl("remove")
+// https://example.com/articles/resolving-urls/remove
+
+resolveUrl("/static/scripts/app.js")
+// https://example.com/static/scripts/app.js
+
+// Imagine /static/scripts/app.js contains `//# sourceMappingURL=../source-maps/app.js.map`
+resolveUrl("/static/scripts/app.js", "../source-maps/app.js.map")
+// https://example.com/static/source-maps/app.js.map
+
+resolveUrl("/static/scripts/app.js", "../source-maps/app.js.map", "../coffee/app.coffee")
+// https://example.com/static/coffee/app.coffee
+
+resolveUrl("//cdn.example.com/jquery.js")
+// https://cdn.example.com/jquery.js
+
+resolveUrl("http://foo.org/")
+// http://foo.org/
+```
+
+
+Installation
+============
+
+- `npm install resolve-url`
+- `bower install resolve-url`
+- `component install lydell/resolve-url`
+
+Works with CommonJS, AMD and browser globals, through UMD.
+
+
+Usage
+=====
+
+### `resolveUrl(...urls)` ###
+
+Pass one or more urls. Resolves the last one to an absolute url, using the
+previous ones and `window.location`.
+
+It’s like starting out on `window.location`, and then clicking links with the
+urls as `href` attributes in order, from left to right.
+
+Unlike Node.js’ [`path.resolve`], this function always goes through all of the
+arguments, from left to right. `path.resolve` goes from right to left and only
+in the worst case goes through them all. Should that matter.
+
+Actually, the function is _really_ like clicking a lot of links in series: An
+actual `<a>` gets its `href` attribute set for each url! This means that the
+url resolution of the browser is used, which makes this module really
+light-weight.
+
+Also note that this functions deals with urls, not paths, so in that respect it
+has more in common with Node.js’ [`url.resolve`]. But the arguments are more
+like [`path.resolve`].
+
+[`path.resolve`]: http://nodejs.org/api/path.html#path_path_resolve_from_to
+[`url.resolve`]: http://nodejs.org/api/url.html#url_url_resolve_from_to
+
+
+Tests
+=====
+
+Run `npm test`, which lints the code and then gives you a link to open in a
+browser of choice (using `testling`).
+
+
+License
+=======
+
+[The X11 (“MIT”) License](LICENSE).
diff --git a/node_modules/resolve-url/resolve-url.js b/node_modules/resolve-url/resolve-url.js
new file mode 100644
index 00000000..dc5c5b7b
--- /dev/null
+++ b/node_modules/resolve-url/resolve-url.js
@@ -0,0 +1,47 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+void (function(root, factory) {
+  if (typeof define === "function" && define.amd) {
+    define(factory)
+  } else if (typeof exports === "object") {
+    module.exports = factory()
+  } else {
+    root.resolveUrl = factory()
+  }
+}(this, function() {
+
+  function resolveUrl(/* ...urls */) {
+    var numUrls = arguments.length
+
+    if (numUrls === 0) {
+      throw new Error("resolveUrl requires at least one argument; got none.")
+    }
+
+    var base = document.createElement("base")
+    base.href = arguments[0]
+
+    if (numUrls === 1) {
+      return base.href
+    }
+
+    var head = document.getElementsByTagName("head")[0]
+    head.insertBefore(base, head.firstChild)
+
+    var a = document.createElement("a")
+    var resolved
+
+    for (var index = 1; index < numUrls; index++) {
+      a.href = arguments[index]
+      resolved = a.href
+      base.href = resolved
+    }
+
+    head.removeChild(base)
+
+    return resolved
+  }
+
+  return resolveUrl
+
+}));
diff --git a/node_modules/resolve-url/test/resolve-url.js b/node_modules/resolve-url/test/resolve-url.js
new file mode 100644
index 00000000..7f135a7c
--- /dev/null
+++ b/node_modules/resolve-url/test/resolve-url.js
@@ -0,0 +1,70 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+var test = require("tape")
+
+var resolveUrl = require("../")
+
+"use strict"
+
+test("resolveUrl", function(t) {
+
+  t.plan(7)
+
+  t.equal(typeof resolveUrl, "function", "is a function")
+
+  t.equal(
+    resolveUrl("https://example.com/"),
+    "https://example.com/"
+  )
+
+  var loc = "https://example.com/articles/resolving-urls/edit"
+
+  t.equal(
+    resolveUrl(loc, "remove"),
+    "https://example.com/articles/resolving-urls/remove"
+  )
+
+  t.equal(
+    resolveUrl(loc, "/static/scripts/app.js"),
+    "https://example.com/static/scripts/app.js"
+  )
+
+  t.equal(
+    resolveUrl(loc, "/static/scripts/app.js", "../source-maps/app.js.map"),
+    "https://example.com/static/source-maps/app.js.map"
+  )
+
+  t.equal(
+    resolveUrl(loc, "/static/scripts/app.js", "../source-maps/app.js.map", "../coffee/app.coffee"),
+    "https://example.com/static/coffee/app.coffee"
+  )
+
+  t.equal(
+    resolveUrl(loc, "//cdn.example.com/jquery.js"),
+    "https://cdn.example.com/jquery.js"
+  )
+
+})
+
+test("edge cases", function(t) {
+
+  t.plan(4)
+
+  t["throws"](resolveUrl, /at least one argument/, "throws with no arguments")
+
+  var accidentallyUndefined
+  var result
+  t.doesNotThrow(
+    function() { result = resolveUrl(accidentallyUndefined) },
+    "undefined is still an argument"
+  )
+  t.ok(result.match(/\/undefined$/), "undefined is stringified")
+
+  t.equal(
+    resolveUrl("http://foo.org/test", undefined, {}, ["a/b"], null),
+    "http://foo.org/a/null",
+    "arguments are stringified"
+  )
+
+})
diff --git a/node_modules/ret/LICENSE b/node_modules/ret/LICENSE
new file mode 100644
index 00000000..b351ee8e
--- /dev/null
+++ b/node_modules/ret/LICENSE
@@ -0,0 +1,19 @@
+Copyright (C) 2011 by Roly Fentanes
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. 
diff --git a/node_modules/ret/README.md b/node_modules/ret/README.md
new file mode 100644
index 00000000..28563e16
--- /dev/null
+++ b/node_modules/ret/README.md
@@ -0,0 +1,183 @@
+# Regular Expression Tokenizer
+
+Tokenizes strings that represent a regular expressions.
+
+[![Build Status](https://secure.travis-ci.org/fent/ret.js.svg)](http://travis-ci.org/fent/ret.js)
+[![Dependency Status](https://david-dm.org/fent/ret.js.svg)](https://david-dm.org/fent/ret.js)
+[![codecov](https://codecov.io/gh/fent/ret.js/branch/master/graph/badge.svg)](https://codecov.io/gh/fent/ret.js)
+
+# Usage
+
+```js
+var ret = require('ret');
+
+var tokens = ret(/foo|bar/.source);
+```
+
+`tokens` will contain the following object
+
+```js
+{
+  "type": ret.types.ROOT
+  "options": [
+    [ { "type": ret.types.CHAR, "value", 102 },
+      { "type": ret.types.CHAR, "value", 111 },
+      { "type": ret.types.CHAR, "value", 111 } ],
+    [ { "type": ret.types.CHAR, "value",  98 },
+      { "type": ret.types.CHAR, "value",  97 },
+      { "type": ret.types.CHAR, "value", 114 } ]
+  ]
+}
+```
+
+# Token Types
+
+`ret.types` is a collection of the various token types exported by ret.
+
+### ROOT
+
+Only used in the root of the regexp. This is needed due to the posibility of the root containing a pipe `|` character. In that case, the token will have an `options` key that will be an array of arrays of tokens. If not, it will contain a `stack` key that is an array of tokens.
+
+```js
+{
+  "type": ret.types.ROOT,
+  "stack": [token1, token2...],
+}
+```
+
+```js
+{
+  "type": ret.types.ROOT,
+  "options" [
+    [token1, token2...],
+    [othertoken1, othertoken2...]
+    ...
+  ],
+}
+```
+
+### GROUP
+
+Groups contain tokens that are inside of a parenthesis. If the group begins with `?` followed by another character, it's a special type of group. A ':' tells the group not to be remembered when `exec` is used. '=' means the previous token matches only if followed by this group, and '!' means the previous token matches only if NOT followed.
+
+Like root, it can contain an `options` key instead of `stack` if there is a pipe.
+
+```js
+{
+  "type": ret.types.GROUP,
+  "remember" true,
+  "followedBy": false,
+  "notFollowedBy": false,
+  "stack": [token1, token2...],
+}
+```
+
+```js
+{
+  "type": ret.types.GROUP,
+  "remember" true,
+  "followedBy": false,
+  "notFollowedBy": false,
+  "options" [
+    [token1, token2...],
+    [othertoken1, othertoken2...]
+    ...
+  ],
+}
+```
+
+### POSITION
+
+`\b`, `\B`, `^`, and `$` specify positions in the regexp.
+
+```js
+{
+  "type": ret.types.POSITION,
+  "value": "^",
+}
+```
+
+### SET
+
+Contains a key `set` specifying what tokens are allowed and a key `not` specifying if the set should be negated. A set can contain other sets, ranges, and characters.
+
+```js
+{
+  "type": ret.types.SET,
+  "set": [token1, token2...],
+  "not": false,
+}
+```
+
+### RANGE
+
+Used in set tokens to specify a character range. `from` and `to` are character codes.
+
+```js
+{
+  "type": ret.types.RANGE,
+  "from": 97,
+  "to": 122,
+}
+```
+
+### REPETITION
+
+```js
+{
+  "type": ret.types.REPETITION,
+  "min": 0,
+  "max": Infinity,
+  "value": token,
+}
+```
+
+### REFERENCE
+
+References a group token. `value` is 1-9.
+
+```js
+{
+  "type": ret.types.REFERENCE,
+  "value": 1,
+}
+```
+
+### CHAR
+
+Represents a single character token. `value` is the character code. This might seem a bit cluttering instead of concatenating characters together. But since repetition tokens only repeat the last token and not the last clause like the pipe, it's simpler to do it this way.
+
+```js
+{
+  "type": ret.types.CHAR,
+  "value": 123,
+}
+```
+
+## Errors
+
+ret.js will throw errors if given a string with an invalid regular expression. All possible errors are
+
+* Invalid group. When a group with an immediate `?` character is followed by an invalid character. It can only be followed by `!`, `=`, or `:`. Example: `/(?_abc)/`
+* Nothing to repeat. Thrown when a repetitional token is used as the first token in the current clause, as in right in the beginning of the regexp or group, or right after a pipe. Example: `/foo|?bar/`, `/{1,3}foo|bar/`, `/foo(+bar)/`
+* Unmatched ). A group was not opened, but was closed. Example: `/hello)2u/`
+* Unterminated group. A group was not closed. Example: `/(1(23)4/`
+* Unterminated character class. A custom character set was not closed. Example: `/[abc/`
+
+
+# Install
+
+    npm install ret
+
+
+# Tests
+
+Tests are written with [vows](http://vowsjs.org/)
+
+```bash
+npm test
+```
+
+# License
+
+MIT
diff --git a/node_modules/ret/lib/index.js b/node_modules/ret/lib/index.js
new file mode 100644
index 00000000..0e151c39
--- /dev/null
+++ b/node_modules/ret/lib/index.js
@@ -0,0 +1,282 @@
+var util      = require('./util');
+var types     = require('./types');
+var sets      = require('./sets');
+var positions = require('./positions');
+
+
+module.exports = function(regexpStr) {
+  var i = 0, l, c,
+      start = { type: types.ROOT, stack: []},
+
+      // Keep track of last clause/group and stack.
+      lastGroup = start,
+      last = start.stack,
+      groupStack = [];
+
+
+  var repeatErr = function(i) {
+    util.error(regexpStr, 'Nothing to repeat at column ' + (i - 1));
+  };
+
+  // Decode a few escaped characters.
+  var str = util.strToChars(regexpStr);
+  l = str.length;
+
+  // Iterate through each character in string.
+  while (i < l) {
+    c = str[i++];
+
+    switch (c) {
+      // Handle escaped characters, inclues a few sets.
+      case '\\':
+        c = str[i++];
+
+        switch (c) {
+          case 'b':
+            last.push(positions.wordBoundary());
+            break;
+
+          case 'B':
+            last.push(positions.nonWordBoundary());
+            break;
+
+          case 'w':
+            last.push(sets.words());
+            break;
+
+          case 'W':
+            last.push(sets.notWords());
+            break;
+
+          case 'd':
+            last.push(sets.ints());
+            break;
+
+          case 'D':
+            last.push(sets.notInts());
+            break;
+
+          case 's':
+            last.push(sets.whitespace());
+            break;
+
+          case 'S':
+            last.push(sets.notWhitespace());
+            break;
+
+          default:
+            // Check if c is integer.
+            // In which case it's a reference.
+            if (/\d/.test(c)) {
+              last.push({ type: types.REFERENCE, value: parseInt(c, 10) });
+
+            // Escaped character.
+            } else {
+              last.push({ type: types.CHAR, value: c.charCodeAt(0) });
+            }
+        }
+
+        break;
+
+
+      // Positionals.
+      case '^':
+          last.push(positions.begin());
+        break;
+
+      case '$':
+          last.push(positions.end());
+        break;
+
+
+      // Handle custom sets.
+      case '[':
+        // Check if this class is 'anti' i.e. [^abc].
+        var not;
+        if (str[i] === '^') {
+          not = true;
+          i++;
+        } else {
+          not = false;
+        }
+
+        // Get all the characters in class.
+        var classTokens = util.tokenizeClass(str.slice(i), regexpStr);
+
+        // Increase index by length of class.
+        i += classTokens[1];
+        last.push({
+          type: types.SET,
+          set: classTokens[0],
+          not: not,
+        });
+
+        break;
+
+
+      // Class of any character except \n.
+      case '.':
+        last.push(sets.anyChar());
+        break;
+
+
+      // Push group onto stack.
+      case '(':
+        // Create group.
+        var group = {
+          type: types.GROUP,
+          stack: [],
+          remember: true,
+        };
+
+        c = str[i];
+
+        // If if this is a special kind of group.
+        if (c === '?') {
+          c = str[i + 1];
+          i += 2;
+
+          // Match if followed by.
+          if (c === '=') {
+            group.followedBy = true;
+
+          // Match if not followed by.
+          } else if (c === '!') {
+            group.notFollowedBy = true;
+
+          } else if (c !== ':') {
+            util.error(regexpStr,
+              'Invalid group, character \'' + c +
+              '\' after \'?\' at column ' + (i - 1));
+          }
+
+          group.remember = false;
+        }
+
+        // Insert subgroup into current group stack.
+        last.push(group);
+
+        // Remember the current group for when the group closes.
+        groupStack.push(lastGroup);
+
+        // Make this new group the current group.
+        lastGroup = group;
+        last = group.stack;
+        break;
+
+
+      // Pop group out of stack.
+      case ')':
+        if (groupStack.length === 0) {
+          util.error(regexpStr, 'Unmatched ) at column ' + (i - 1));
+        }
+        lastGroup = groupStack.pop();
+
+        // Check if this group has a PIPE.
+        // To get back the correct last stack.
+        last = lastGroup.options ?
+          lastGroup.options[lastGroup.options.length - 1] : lastGroup.stack;
+        break;
+
+
+      // Use pipe character to give more choices.
+      case '|':
+        // Create array where options are if this is the first PIPE
+        // in this clause.
+        if (!lastGroup.options) {
+          lastGroup.options = [lastGroup.stack];
+          delete lastGroup.stack;
+        }
+
+        // Create a new stack and add to options for rest of clause.
+        var stack = [];
+        lastGroup.options.push(stack);
+        last = stack;
+        break;
+
+
+      // Repetition.
+      // For every repetition, remove last element from last stack
+      // then insert back a RANGE object.
+      // This design is chosen because there could be more than
+      // one repetition symbols in a regex i.e. `a?+{2,3}`.
+      case '{':
+        var rs = /^(\d+)(,(\d+)?)?\}/.exec(str.slice(i)), min, max;
+        if (rs !== null) {
+          if (last.length === 0) {
+            repeatErr(i);
+          }
+          min = parseInt(rs[1], 10);
+          max = rs[2] ? rs[3] ? parseInt(rs[3], 10) : Infinity : min;
+          i += rs[0].length;
+
+          last.push({
+            type: types.REPETITION,
+            min: min,
+            max: max,
+            value: last.pop(),
+          });
+        } else {
+          last.push({
+            type: types.CHAR,
+            value: 123,
+          });
+        }
+        break;
+
+      case '?':
+        if (last.length === 0) {
+          repeatErr(i);
+        }
+        last.push({
+          type: types.REPETITION,
+          min: 0,
+          max: 1,
+          value: last.pop(),
+        });
+        break;
+
+      case '+':
+        if (last.length === 0) {
+          repeatErr(i);
+        }
+        last.push({
+          type: types.REPETITION,
+          min: 1,
+          max: Infinity,
+          value: last.pop(),
+        });
+        break;
+
+      case '*':
+        if (last.length === 0) {
+          repeatErr(i);
+        }
+        last.push({
+          type: types.REPETITION,
+          min: 0,
+          max: Infinity,
+          value: last.pop(),
+        });
+        break;
+
+
+      // Default is a character that is not `\[](){}?+*^$`.
+      default:
+        last.push({
+          type: types.CHAR,
+          value: c.charCodeAt(0),
+        });
+    }
+
+  }
+
+  // Check if any groups have not been closed.
+  if (groupStack.length !== 0) {
+    util.error(regexpStr, 'Unterminated group');
+  }
+
+  return start;
+};
+
+module.exports.types = types;
diff --git a/node_modules/ret/lib/positions.js b/node_modules/ret/lib/positions.js
new file mode 100644
index 00000000..80677ee5
--- /dev/null
+++ b/node_modules/ret/lib/positions.js
@@ -0,0 +1,17 @@
+var types = require('./types');
+
+exports.wordBoundary = function() {
+  return { type: types.POSITION, value: 'b' };
+};
+
+exports.nonWordBoundary = function() {
+  return { type: types.POSITION, value: 'B' };
+};
+
+exports.begin = function() {
+  return { type: types.POSITION, value: '^' };
+};
+
+exports.end = function() {
+  return { type: types.POSITION, value: '$' };
+};
diff --git a/node_modules/ret/lib/sets.js b/node_modules/ret/lib/sets.js
new file mode 100644
index 00000000..5fb6be5d
--- /dev/null
+++ b/node_modules/ret/lib/sets.js
@@ -0,0 +1,82 @@
+var types = require('./types');
+
+var INTS = function() {
+ return [{ type: types.RANGE , from: 48, to: 57 }];
+};
+
+var WORDS = function() {
+ return [
+    { type: types.CHAR, value: 95 },
+    { type: types.RANGE, from: 97, to: 122 },
+    { type: types.RANGE, from: 65, to: 90 }
+  ].concat(INTS());
+};
+
+var WHITESPACE = function() {
+ return [
+    { type: types.CHAR, value: 9 },
+    { type: types.CHAR, value: 10 },
+    { type: types.CHAR, value: 11 },
+    { type: types.CHAR, value: 12 },
+    { type: types.CHAR, value: 13 },
+    { type: types.CHAR, value: 32 },
+    { type: types.CHAR, value: 160 },
+    { type: types.CHAR, value: 5760 },
+    { type: types.CHAR, value: 6158 },
+    { type: types.CHAR, value: 8192 },
+    { type: types.CHAR, value: 8193 },
+    { type: types.CHAR, value: 8194 },
+    { type: types.CHAR, value: 8195 },
+    { type: types.CHAR, value: 8196 },
+    { type: types.CHAR, value: 8197 },
+    { type: types.CHAR, value: 8198 },
+    { type: types.CHAR, value: 8199 },
+    { type: types.CHAR, value: 8200 },
+    { type: types.CHAR, value: 8201 },
+    { type: types.CHAR, value: 8202 },
+    { type: types.CHAR, value: 8232 },
+    { type: types.CHAR, value: 8233 },
+    { type: types.CHAR, value: 8239 },
+    { type: types.CHAR, value: 8287 },
+    { type: types.CHAR, value: 12288 },
+    { type: types.CHAR, value: 65279 }
+  ];
+};
+
+var NOTANYCHAR = function() {
+  return [
+    { type: types.CHAR, value: 10 },
+    { type: types.CHAR, value: 13 },
+    { type: types.CHAR, value: 8232 },
+    { type: types.CHAR, value: 8233 },
+  ];
+};
+
+// Predefined class objects.
+exports.words = function() {
+  return { type: types.SET, set: WORDS(), not: false };
+};
+
+exports.notWords = function() {
+  return { type: types.SET, set: WORDS(), not: true };
+};
+
+exports.ints = function() {
+  return { type: types.SET, set: INTS(), not: false };
+};
+
+exports.notInts = function() {
+  return { type: types.SET, set: INTS(), not: true };
+};
+
+exports.whitespace = function() {
+  return { type: types.SET, set: WHITESPACE(), not: false };
+};
+
+exports.notWhitespace = function() {
+  return { type: types.SET, set: WHITESPACE(), not: true };
+};
+
+exports.anyChar = function() {
+  return { type: types.SET, set: NOTANYCHAR(), not: true };
+};
diff --git a/node_modules/ret/lib/types.js b/node_modules/ret/lib/types.js
new file mode 100644
index 00000000..94841451
--- /dev/null
+++ b/node_modules/ret/lib/types.js
@@ -0,0 +1,10 @@
+module.exports = {
+  ROOT       : 0,
+  GROUP      : 1,
+  POSITION   : 2,
+  SET        : 3,
+  RANGE      : 4,
+  REPETITION : 5,
+  REFERENCE  : 6,
+  CHAR       : 7,
+};
diff --git a/node_modules/ret/lib/util.js b/node_modules/ret/lib/util.js
new file mode 100644
index 00000000..97d8cf51
--- /dev/null
+++ b/node_modules/ret/lib/util.js
@@ -0,0 +1,111 @@
+var types = require('./types');
+var sets  = require('./sets');
+
+
+// All of these are private and only used by randexp.
+// It's assumed that they will always be called with the correct input.
+
+var CTRL = '@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^ ?';
+var SLSH = { '0': 0, 't': 9, 'n': 10, 'v': 11, 'f': 12, 'r': 13 };
+
+/**
+ * Finds character representations in str and convert all to
+ * their respective characters
+ *
+ * @param {String} str
+ * @return {String}
+ */
+exports.strToChars = function(str) {
+  /* jshint maxlen: false */
+  var chars_regex = /(\[\\b\])|(\\)?\\(?:u([A-F0-9]{4})|x([A-F0-9]{2})|(0?[0-7]{2})|c([@A-Z\[\\\]\^?])|([0tnvfr]))/g;
+  str = str.replace(chars_regex, function(s, b, lbs, a16, b16, c8, dctrl, eslsh) {
+    if (lbs) {
+      return s;
+    }
+
+    var code = b     ? 8 :
+               a16   ? parseInt(a16, 16) :
+               b16   ? parseInt(b16, 16) :
+               c8    ? parseInt(c8,   8) :
+               dctrl ? CTRL.indexOf(dctrl) :
+               SLSH[eslsh];
+
+    var c = String.fromCharCode(code);
+
+    // Escape special regex characters.
+    if (/[\[\]{}\^$.|?*+()]/.test(c)) {
+      c = '\\' + c;
+    }
+
+    return c;
+  });
+
+  return str;
+};
+
+
+/**
+ * turns class into tokens
+ * reads str until it encounters a ] not preceeded by a \
+ *
+ * @param {String} str
+ * @param {String} regexpStr
+ * @return {Array.<Array.<Object>, Number>}
+ */
+exports.tokenizeClass = function(str, regexpStr) {
+  /* jshint maxlen: false */
+  var tokens = [];
+  var regexp = /\\(?:(w)|(d)|(s)|(W)|(D)|(S))|((?:(?:\\)(.)|([^\]\\]))-(?:\\)?([^\]]))|(\])|(?:\\)?(.)/g;
+  var rs, c;
+
+
+  while ((rs = regexp.exec(str)) != null) {
+    if (rs[1]) {
+      tokens.push(sets.words());
+
+    } else if (rs[2]) {
+      tokens.push(sets.ints());
+
+    } else if (rs[3]) {
+      tokens.push(sets.whitespace());
+
+    } else if (rs[4]) {
+      tokens.push(sets.notWords());
+
+    } else if (rs[5]) {
+      tokens.push(sets.notInts());
+
+    } else if (rs[6]) {
+      tokens.push(sets.notWhitespace());
+
+    } else if (rs[7]) {
+      tokens.push({
+        type: types.RANGE,
+        from: (rs[8] || rs[9]).charCodeAt(0),
+          to: rs[10].charCodeAt(0),
+      });
+
+    } else if (c = rs[12]) {
+      tokens.push({
+        type: types.CHAR,
+        value: c.charCodeAt(0),
+      });
+
+    } else {
+      return [tokens, regexp.lastIndex];
+    }
+  }
+
+  exports.error(regexpStr, 'Unterminated character class');
+};
+
+
+/**
+ * Shortcut to throw errors.
+ *
+ * @param {String} regexp
+ * @param {String} msg
+ */
+exports.error = function(regexp, msg) {
+  throw new SyntaxError('Invalid regular expression: /' + regexp + '/: ' + msg);
+};
diff --git a/node_modules/ret/package.json b/node_modules/ret/package.json
new file mode 100644
index 00000000..2fde9a44
--- /dev/null
+++ b/node_modules/ret/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "ret",
+  "description": "Tokenizes a string that represents a regular expression.",
+  "keywords": [
+    "regex",
+    "regexp",
+    "regular expression",
+    "parser",
+    "tokenizer"
+  ],
+  "version": "0.1.15",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/fent/ret.js.git"
+  },
+  "author": "Roly Fentanes (https://github.com/fent)",
+  "main": "./lib/index.js",
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "test": "istanbul cover vows -- --spec test/*-test.js"
+  },
+  "directories": {
+    "lib": "./lib"
+  },
+  "devDependencies": {
+    "istanbul": "*",
+    "vows": "*"
+  },
+  "engines": {
+    "node": ">=0.12"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/rimraf/LICENSE b/node_modules/rimraf/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/rimraf/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/rimraf/README.md b/node_modules/rimraf/README.md
new file mode 100644
index 00000000..423b8cf8
--- /dev/null
+++ b/node_modules/rimraf/README.md
@@ -0,0 +1,101 @@
+[![Build Status](https://travis-ci.org/isaacs/rimraf.svg?branch=master)](https://travis-ci.org/isaacs/rimraf) [![Dependency Status](https://david-dm.org/isaacs/rimraf.svg)](https://david-dm.org/isaacs/rimraf) [![devDependency Status](https://david-dm.org/isaacs/rimraf/dev-status.svg)](https://david-dm.org/isaacs/rimraf#info=devDependencies)
+
+The [UNIX command](http://en.wikipedia.org/wiki/Rm_(Unix)) `rm -rf` for node.
+
+Install with `npm install rimraf`, or just drop rimraf.js somewhere.
+
+## API
+
+`rimraf(f, [opts], callback)`
+
+The first parameter will be interpreted as a globbing pattern for files. If you
+want to disable globbing you can do so with `opts.disableGlob` (defaults to
+`false`). This might be handy, for instance, if you have filenames that contain
+globbing wildcard characters.
+
+The callback will be called with an error if there is one.  Certain
+errors are handled for you:
+
+* Windows: `EBUSY` and `ENOTEMPTY` - rimraf will back off a maximum of
+  `opts.maxBusyTries` times before giving up, adding 100ms of wait
+  between each attempt.  The default `maxBusyTries` is 3.
+* `ENOENT` - If the file doesn't exist, rimraf will return
+  successfully, since your desired outcome is already the case.
+* `EMFILE` - Since `readdir` requires opening a file descriptor, it's
+  possible to hit `EMFILE` if too many file descriptors are in use.
+  In the sync case, there's nothing to be done for this.  But in the
+  async case, rimraf will gradually back off with timeouts up to
+  `opts.emfileWait` ms, which defaults to 1000.
+
+## options
+
+* unlink, chmod, stat, lstat, rmdir, readdir,
+  unlinkSync, chmodSync, statSync, lstatSync, rmdirSync, readdirSync
+
+    In order to use a custom file system library, you can override
+    specific fs functions on the options object.
+
+    If any of these functions are present on the options object, then
+    the supplied function will be used instead of the default fs
+    method.
+
+    Sync methods are only relevant for `rimraf.sync()`, of course.
+
+    For example:
+
+    ```javascript
+    var myCustomFS = require('some-custom-fs')
+
+    rimraf('some-thing', myCustomFS, callback)
+    ```
+
+* maxBusyTries
+
+    If an `EBUSY`, `ENOTEMPTY`, or `EPERM` error code is encountered
+    on Windows systems, then rimraf will retry with a linear backoff
+    wait of 100ms longer on each try.  The default maxBusyTries is 3.
+
+    Only relevant for async usage.
+
+* emfileWait
+
+    If an `EMFILE` error is encountered, then rimraf will retry
+    repeatedly with a linear backoff of 1ms longer on each try, until
+    the timeout counter hits this max.  The default limit is 1000.
+
+    If you repeatedly encounter `EMFILE` errors, then consider using
+    [graceful-fs](http://npm.im/graceful-fs) in your program.
+
+    Only relevant for async usage.
+
+* glob
+
+    Set to `false` to disable [glob](http://npm.im/glob) pattern
+    matching.
+
+    Set to an object to pass options to the glob module.  The default
+    glob options are `{ nosort: true, silent: true }`.
+
+    Glob version 6 is used in this module.
+
+    Relevant for both sync and async usage.
+
+* disableGlob
+
+    Set to any non-falsey value to disable globbing entirely.
+    (Equivalent to setting `glob: false`.)
+
+## rimraf.sync
+
+It can remove stuff synchronously, too.  But that's not so good.  Use
+the async API.  It's better.
+
+## CLI
+
+If installed with `npm install rimraf -g` it can be used as a global
+command `rimraf <path> [<path> ...]` which is useful for cross platform support.
+
+## mkdirp
+
+If you need to create a directory recursively, check out
+[mkdirp](https://github.com/substack/node-mkdirp).
diff --git a/node_modules/rimraf/bin.js b/node_modules/rimraf/bin.js
new file mode 100644
index 00000000..0d1e17be
--- /dev/null
+++ b/node_modules/rimraf/bin.js
@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+
+var rimraf = require('./')
+
+var help = false
+var dashdash = false
+var noglob = false
+var args = process.argv.slice(2).filter(function(arg) {
+  if (dashdash)
+    return !!arg
+  else if (arg === '--')
+    dashdash = true
+  else if (arg === '--no-glob' || arg === '-G')
+    noglob = true
+  else if (arg === '--glob' || arg === '-g')
+    noglob = false
+  else if (arg.match(/^(-+|\/)(h(elp)?|\?)$/))
+    help = true
+  else
+    return !!arg
+})
+
+if (help || args.length === 0) {
+  // If they didn't ask for help, then this is not a "success"
+  var log = help ? console.log : console.error
+  log('Usage: rimraf <path> [<path> ...]')
+  log('')
+  log('  Deletes all files and folders at "path" recursively.')
+  log('')
+  log('Options:')
+  log('')
+  log('  -h, --help     Display this usage info')
+  log('  -G, --no-glob  Do not expand glob patterns in arguments')
+  log('  -g, --glob     Expand glob patterns in arguments (default)')
+  process.exit(help ? 0 : 1)
+} else
+  go(0)
+
+function go (n) {
+  if (n >= args.length)
+    return
+  var options = {}
+  if (noglob)
+    options = { glob: false }
+  rimraf(args[n], options, function (er) {
+    if (er)
+      throw er
+    go(n+1)
+  })
+}
diff --git a/node_modules/rimraf/package.json b/node_modules/rimraf/package.json
new file mode 100644
index 00000000..26e05d85
--- /dev/null
+++ b/node_modules/rimraf/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "rimraf",
+  "version": "2.7.1",
+  "main": "rimraf.js",
+  "description": "A deep deletion module for node (like `rm -rf`)",
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC",
+  "repository": "git://github.com/isaacs/rimraf.git",
+  "scripts": {
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags",
+    "test": "tap test/*.js"
+  },
+  "bin": "./bin.js",
+  "dependencies": {
+    "glob": "^7.1.3"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "bin.js",
+    "rimraf.js"
+  ],
+  "devDependencies": {
+    "mkdirp": "^0.5.1",
+    "tap": "^12.1.1"
+  }
+}
diff --git a/node_modules/rimraf/rimraf.js b/node_modules/rimraf/rimraf.js
new file mode 100644
index 00000000..a90ad029
--- /dev/null
+++ b/node_modules/rimraf/rimraf.js
@@ -0,0 +1,372 @@
+module.exports = rimraf
+rimraf.sync = rimrafSync
+
+var assert = require("assert")
+var path = require("path")
+var fs = require("fs")
+var glob = undefined
+try {
+  glob = require("glob")
+} catch (_err) {
+  // treat glob as optional.
+}
+var _0666 = parseInt('666', 8)
+
+var defaultGlobOpts = {
+  nosort: true,
+  silent: true
+}
+
+// for EMFILE handling
+var timeout = 0
+
+var isWindows = (process.platform === "win32")
+
+function defaults (options) {
+  var methods = [
+    'unlink',
+    'chmod',
+    'stat',
+    'lstat',
+    'rmdir',
+    'readdir'
+  ]
+  methods.forEach(function(m) {
+    options[m] = options[m] || fs[m]
+    m = m + 'Sync'
+    options[m] = options[m] || fs[m]
+  })
+
+  options.maxBusyTries = options.maxBusyTries || 3
+  options.emfileWait = options.emfileWait || 1000
+  if (options.glob === false) {
+    options.disableGlob = true
+  }
+  if (options.disableGlob !== true && glob === undefined) {
+    throw Error('glob dependency not found, set `options.disableGlob = true` if intentional')
+  }
+  options.disableGlob = options.disableGlob || false
+  options.glob = options.glob || defaultGlobOpts
+}
+
+function rimraf (p, options, cb) {
+  if (typeof options === 'function') {
+    cb = options
+    options = {}
+  }
+
+  assert(p, 'rimraf: missing path')
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
+  assert.equal(typeof cb, 'function', 'rimraf: callback function required')
+  assert(options, 'rimraf: invalid options argument provided')
+  assert.equal(typeof options, 'object', 'rimraf: options should be object')
+
+  defaults(options)
+
+  var busyTries = 0
+  var errState = null
+  var n = 0
+
+  if (options.disableGlob || !glob.hasMagic(p))
+    return afterGlob(null, [p])
+
+  options.lstat(p, function (er, stat) {
+    if (!er)
+      return afterGlob(null, [p])
+
+    glob(p, options.glob, afterGlob)
+  })
+
+  function next (er) {
+    errState = errState || er
+    if (--n === 0)
+      cb(errState)
+  }
+
+  function afterGlob (er, results) {
+    if (er)
+      return cb(er)
+
+    n = results.length
+    if (n === 0)
+      return cb()
+
+    results.forEach(function (p) {
+      rimraf_(p, options, function CB (er) {
+        if (er) {
+          if ((er.code === "EBUSY" || er.code === "ENOTEMPTY" || er.code === "EPERM") &&
+              busyTries < options.maxBusyTries) {
+            busyTries ++
+            var time = busyTries * 100
+            // try again, with the same exact callback as this one.
+            return setTimeout(function () {
+              rimraf_(p, options, CB)
+            }, time)
+          }
+
+          // this one won't happen if graceful-fs is used.
+          if (er.code === "EMFILE" && timeout < options.emfileWait) {
+            return setTimeout(function () {
+              rimraf_(p, options, CB)
+            }, timeout ++)
+          }
+
+          // already gone
+          if (er.code === "ENOENT") er = null
+        }
+
+        timeout = 0
+        next(er)
+      })
+    })
+  }
+}
+
+// Two possible strategies.
+// 1. Assume it's a file.  unlink it, then do the dir stuff on EPERM or EISDIR
+// 2. Assume it's a directory.  readdir, then do the file stuff on ENOTDIR
+//
+// Both result in an extra syscall when you guess wrong.  However, there
+// are likely far more normal files in the world than directories.  This
+// is based on the assumption that a the average number of files per
+// directory is >= 1.
+//
+// If anyone ever complains about this, then I guess the strategy could
+// be made configurable somehow.  But until then, YAGNI.
+function rimraf_ (p, options, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+
+  // sunos lets the root user unlink directories, which is... weird.
+  // so we have to lstat here and make sure it's not a dir.
+  options.lstat(p, function (er, st) {
+    if (er && er.code === "ENOENT")
+      return cb(null)
+
+    // Windows can EPERM on stat.  Life is suffering.
+    if (er && er.code === "EPERM" && isWindows)
+      fixWinEPERM(p, options, er, cb)
+
+    if (st && st.isDirectory())
+      return rmdir(p, options, er, cb)
+
+    options.unlink(p, function (er) {
+      if (er) {
+        if (er.code === "ENOENT")
+          return cb(null)
+        if (er.code === "EPERM")
+          return (isWindows)
+            ? fixWinEPERM(p, options, er, cb)
+            : rmdir(p, options, er, cb)
+        if (er.code === "EISDIR")
+          return rmdir(p, options, er, cb)
+      }
+      return cb(er)
+    })
+  })
+}
+
+function fixWinEPERM (p, options, er, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+  if (er)
+    assert(er instanceof Error)
+
+  options.chmod(p, _0666, function (er2) {
+    if (er2)
+      cb(er2.code === "ENOENT" ? null : er)
+    else
+      options.stat(p, function(er3, stats) {
+        if (er3)
+          cb(er3.code === "ENOENT" ? null : er)
+        else if (stats.isDirectory())
+          rmdir(p, options, er, cb)
+        else
+          options.unlink(p, cb)
+      })
+  })
+}
+
+function fixWinEPERMSync (p, options, er) {
+  assert(p)
+  assert(options)
+  if (er)
+    assert(er instanceof Error)
+
+  try {
+    options.chmodSync(p, _0666)
+  } catch (er2) {
+    if (er2.code === "ENOENT")
+      return
+    else
+      throw er
+  }
+
+  try {
+    var stats = options.statSync(p)
+  } catch (er3) {
+    if (er3.code === "ENOENT")
+      return
+    else
+      throw er
+  }
+
+  if (stats.isDirectory())
+    rmdirSync(p, options, er)
+  else
+    options.unlinkSync(p)
+}
+
+function rmdir (p, options, originalEr, cb) {
+  assert(p)
+  assert(options)
+  if (originalEr)
+    assert(originalEr instanceof Error)
+  assert(typeof cb === 'function')
+
+  // try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
+  // if we guessed wrong, and it's not a directory, then
+  // raise the original error.
+  options.rmdir(p, function (er) {
+    if (er && (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM"))
+      rmkids(p, options, cb)
+    else if (er && er.code === "ENOTDIR")
+      cb(originalEr)
+    else
+      cb(er)
+  })
+}
+
+function rmkids(p, options, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+
+  options.readdir(p, function (er, files) {
+    if (er)
+      return cb(er)
+    var n = files.length
+    if (n === 0)
+      return options.rmdir(p, cb)
+    var errState
+    files.forEach(function (f) {
+      rimraf(path.join(p, f), options, function (er) {
+        if (errState)
+          return
+        if (er)
+          return cb(errState = er)
+        if (--n === 0)
+          options.rmdir(p, cb)
+      })
+    })
+  })
+}
+
+// this looks simpler, and is strictly *faster*, but will
+// tie up the JavaScript thread and fail on excessively
+// deep directory trees.
+function rimrafSync (p, options) {
+  options = options || {}
+  defaults(options)
+
+  assert(p, 'rimraf: missing path')
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
+  assert(options, 'rimraf: missing options')
+  assert.equal(typeof options, 'object', 'rimraf: options should be object')
+
+  var results
+
+  if (options.disableGlob || !glob.hasMagic(p)) {
+    results = [p]
+  } else {
+    try {
+      options.lstatSync(p)
+      results = [p]
+    } catch (er) {
+      results = glob.sync(p, options.glob)
+    }
+  }
+
+  if (!results.length)
+    return
+
+  for (var i = 0; i < results.length; i++) {
+    var p = results[i]
+
+    try {
+      var st = options.lstatSync(p)
+    } catch (er) {
+      if (er.code === "ENOENT")
+        return
+
+      // Windows can EPERM on stat.  Life is suffering.
+      if (er.code === "EPERM" && isWindows)
+        fixWinEPERMSync(p, options, er)
+    }
+
+    try {
+      // sunos lets the root user unlink directories, which is... weird.
+      if (st && st.isDirectory())
+        rmdirSync(p, options, null)
+      else
+        options.unlinkSync(p)
+    } catch (er) {
+      if (er.code === "ENOENT")
+        return
+      if (er.code === "EPERM")
+        return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er)
+      if (er.code !== "EISDIR")
+        throw er
+
+      rmdirSync(p, options, er)
+    }
+  }
+}
+
+function rmdirSync (p, options, originalEr) {
+  assert(p)
+  assert(options)
+  if (originalEr)
+    assert(originalEr instanceof Error)
+
+  try {
+    options.rmdirSync(p)
+  } catch (er) {
+    if (er.code === "ENOENT")
+      return
+    if (er.code === "ENOTDIR")
+      throw originalEr
+    if (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM")
+      rmkidsSync(p, options)
+  }
+}
+
+function rmkidsSync (p, options) {
+  assert(p)
+  assert(options)
+  options.readdirSync(p).forEach(function (f) {
+    rimrafSync(path.join(p, f), options)
+  })
+
+  // We only end up here once we got ENOTEMPTY at least once, and
+  // at this point, we are guaranteed to have removed all the kids.
+  // So, we know that it won't be ENOENT or ENOTDIR or anything else.
+  // try really hard to delete stuff on windows, because it has a
+  // PROFOUNDLY annoying habit of not closing handles promptly when
+  // files are deleted, resulting in spurious ENOTEMPTY errors.
+  var retries = isWindows ? 100 : 1
+  var i = 0
+  do {
+    var threw = true
+    try {
+      var ret = options.rmdirSync(p, options)
+      threw = false
+      return ret
+    } finally {
+      if (++i < retries && threw)
+        continue
+    }
+  } while (true)
+}
diff --git a/node_modules/ripemd160/CHANGELOG.md b/node_modules/ripemd160/CHANGELOG.md
new file mode 100644
index 00000000..91ba9128
--- /dev/null
+++ b/node_modules/ripemd160/CHANGELOG.md
@@ -0,0 +1,72 @@
+2.0.1 / 2016-06-22
+------------------
+- added LICENSE file.
+
+2.0.0 / 2016-04-11
+------------------
+- rewritten, license change BSD-3 to MIT. [#13][#13]
+- stream support [#13][#13]
+
+1.0.1 / 2015-05-05
+------------------
+- standard formatting
+
+1.0.0 / 2015-01-14
+------------------
+- updated dev deps
+- added more test fixtures
+- updated readme with usage, testing, etc
+- moved from https://github.com/cryptocoinjs/ripemd160 to https://github.com/crypto-browserify/ripemd160
+
+0.2.1 / 2014-12-31
+------------------
+- made license clear in `package.json`
+- deleted `Makefile`, moved targets to `package.json`
+- removed `terst` for `assert`
+
+0.2.0 / 2014-03-09
+------------------
+* removed bower.json and component.json
+* changed 4 spacing to 2
+* returns `Buffer` type now, input must be Array, Uint8Array, Buffer, or string
+* remove deps: `convert-hex` and `convert-string`
+
+0.1.0 / 2013-11-20
+------------------
+* changed package name
+* removed AMD support
+
+0.0.2 / 2013-11-06
+------------------
+* fixed component.json file
+
+0.0.1 / 2013-11-03
+------------------
+* initial release
+
+<!--- add streams support, unroll loops [enhancement] -->
+[#13]: https://github.com/crypto-browserify/ripemd160/pull/13
+<!--- Update all dependencies 🌴 [greenkeeper] -->
+[#12]: https://github.com/crypto-browserify/ripemd160/pull/12
+<!--- little optimizations [enhancement] -->
+[#11]: https://github.com/crypto-browserify/ripemd160/pull/11
+<!--- Added LICENSE file to repo -->
+[#10]: https://github.com/crypto-browserify/ripemd160/pull/10
+<!--- Add LICENCE file -->
+[#9]: https://github.com/crypto-browserify/ripemd160/pull/9
+<!--- Support streaming [enhancement] -->
+[#8]: https://github.com/crypto-browserify/ripemd160/issues/8
+<!--- Unroll loops [enhancement] -->
+[#7]: https://github.com/crypto-browserify/ripemd160/pull/7
+<!--- Use SPDX-standard license naming -->
+[#6]: https://github.com/crypto-browserify/ripemd160/pull/6
+<!--- License -->
+[#5]: https://github.com/crypto-browserify/ripemd160/issues/5
+<!--- Add BSD license to package.json -->
+[#4]: https://github.com/crypto-browserify/ripemd160/pull/4
+<!--- Indicate byte array inputs are supported too -->
+[#3]: https://github.com/crypto-browserify/ripemd160/pull/3
+<!--- Node-specific implementation -->
+[#2]: https://github.com/crypto-browserify/ripemd160/pull/2
+<!--- Incorrect name of convert-string dependency in bower.json -->
+[#1]: https://github.com/crypto-browserify/ripemd160/pull/1
diff --git a/node_modules/ripemd160/LICENSE b/node_modules/ripemd160/LICENSE
new file mode 100644
index 00000000..cbe3544b
--- /dev/null
+++ b/node_modules/ripemd160/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 crypto-browserify
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/ripemd160/README.md b/node_modules/ripemd160/README.md
new file mode 100644
index 00000000..056c6a21
--- /dev/null
+++ b/node_modules/ripemd160/README.md
@@ -0,0 +1,27 @@
+# ripemd160
+
+[![NPM Package](https://img.shields.io/npm/v/ripemd160.svg?style=flat-square)](https://www.npmjs.org/package/ripemd160)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/ripemd160.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/ripemd160)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/ripemd160.svg?style=flat-square)](https://david-dm.org/crypto-browserify/ripemd160#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+Node style `ripemd160` on pure JavaScript.
+
+## Example
+
+```js
+var RIPEMD160 = require('ripemd160')
+
+console.log(new RIPEMD160().update('42').digest('hex'))
+// => 0df020ba32aa9b8b904471ff582ce6b579bf8bc8
+
+var ripemd160stream = new RIPEMD160()
+ripemd160stream.end('42')
+console.log(ripemd160stream.read().toString('hex'))
+// => 0df020ba32aa9b8b904471ff582ce6b579bf8bc8
+```
+
+## LICENSE
+
+MIT
diff --git a/node_modules/ripemd160/index.js b/node_modules/ripemd160/index.js
new file mode 100644
index 00000000..870de9c3
--- /dev/null
+++ b/node_modules/ripemd160/index.js
@@ -0,0 +1,163 @@
+'use strict'
+var Buffer = require('buffer').Buffer
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+
+var ARRAY16 = new Array(16)
+
+var zl = [
+  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+]
+
+var zr = [
+  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+]
+
+var sl = [
+  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+]
+
+var sr = [
+  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+]
+
+var hl = [0x00000000, 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e]
+var hr = [0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9, 0x00000000]
+
+function RIPEMD160 () {
+  HashBase.call(this, 64)
+
+  // state
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+}
+
+inherits(RIPEMD160, HashBase)
+
+RIPEMD160.prototype._update = function () {
+  var words = ARRAY16
+  for (var j = 0; j < 16; ++j) words[j] = this._block.readInt32LE(j * 4)
+
+  var al = this._a | 0
+  var bl = this._b | 0
+  var cl = this._c | 0
+  var dl = this._d | 0
+  var el = this._e | 0
+
+  var ar = this._a | 0
+  var br = this._b | 0
+  var cr = this._c | 0
+  var dr = this._d | 0
+  var er = this._e | 0
+
+  // computation
+  for (var i = 0; i < 80; i += 1) {
+    var tl
+    var tr
+    if (i < 16) {
+      tl = fn1(al, bl, cl, dl, el, words[zl[i]], hl[0], sl[i])
+      tr = fn5(ar, br, cr, dr, er, words[zr[i]], hr[0], sr[i])
+    } else if (i < 32) {
+      tl = fn2(al, bl, cl, dl, el, words[zl[i]], hl[1], sl[i])
+      tr = fn4(ar, br, cr, dr, er, words[zr[i]], hr[1], sr[i])
+    } else if (i < 48) {
+      tl = fn3(al, bl, cl, dl, el, words[zl[i]], hl[2], sl[i])
+      tr = fn3(ar, br, cr, dr, er, words[zr[i]], hr[2], sr[i])
+    } else if (i < 64) {
+      tl = fn4(al, bl, cl, dl, el, words[zl[i]], hl[3], sl[i])
+      tr = fn2(ar, br, cr, dr, er, words[zr[i]], hr[3], sr[i])
+    } else { // if (i<80) {
+      tl = fn5(al, bl, cl, dl, el, words[zl[i]], hl[4], sl[i])
+      tr = fn1(ar, br, cr, dr, er, words[zr[i]], hr[4], sr[i])
+    }
+
+    al = el
+    el = dl
+    dl = rotl(cl, 10)
+    cl = bl
+    bl = tl
+
+    ar = er
+    er = dr
+    dr = rotl(cr, 10)
+    cr = br
+    br = tr
+  }
+
+  // update state
+  var t = (this._b + cl + dr) | 0
+  this._b = (this._c + dl + er) | 0
+  this._c = (this._d + el + ar) | 0
+  this._d = (this._e + al + br) | 0
+  this._e = (this._a + bl + cr) | 0
+  this._a = t
+}
+
+RIPEMD160.prototype._digest = function () {
+  // create padding and handle blocks
+  this._block[this._blockOffset++] = 0x80
+  if (this._blockOffset > 56) {
+    this._block.fill(0, this._blockOffset, 64)
+    this._update()
+    this._blockOffset = 0
+  }
+
+  this._block.fill(0, this._blockOffset, 56)
+  this._block.writeUInt32LE(this._length[0], 56)
+  this._block.writeUInt32LE(this._length[1], 60)
+  this._update()
+
+  // produce result
+  var buffer = Buffer.alloc ? Buffer.alloc(20) : new Buffer(20)
+  buffer.writeInt32LE(this._a, 0)
+  buffer.writeInt32LE(this._b, 4)
+  buffer.writeInt32LE(this._c, 8)
+  buffer.writeInt32LE(this._d, 12)
+  buffer.writeInt32LE(this._e, 16)
+  return buffer
+}
+
+function rotl (x, n) {
+  return (x << n) | (x >>> (32 - n))
+}
+
+function fn1 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn2 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0
+}
+
+function fn3 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn4 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0
+}
+
+function fn5 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0
+}
+
+module.exports = RIPEMD160
diff --git a/node_modules/ripemd160/package.json b/node_modules/ripemd160/package.json
new file mode 100644
index 00000000..70d3c603
--- /dev/null
+++ b/node_modules/ripemd160/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "ripemd160",
+  "version": "2.0.2",
+  "description": "Compute ripemd160 of bytes or strings.",
+  "keywords": [
+    "string",
+    "strings",
+    "ripemd160",
+    "ripe160",
+    "bitcoin",
+    "bytes",
+    "cryptography"
+  ],
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "./index",
+  "repository": {
+    "url": "https://github.com/crypto-browserify/ripemd160",
+    "type": "git"
+  },
+  "scripts": {
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "unit": "node test/*.js"
+  },
+  "dependencies": {
+    "hash-base": "^3.0.0",
+    "inherits": "^2.0.1"
+  },
+  "devDependencies": {
+    "hash-test-vectors": "^1.3.2",
+    "standard": "^6.0.7",
+    "tape": "^4.5.1"
+  }
+}
diff --git a/node_modules/run-queue/README.md b/node_modules/run-queue/README.md
new file mode 100644
index 00000000..e84214d1
--- /dev/null
+++ b/node_modules/run-queue/README.md
@@ -0,0 +1,86 @@
+# run-queue
+
+A promise based, dynamic priority queue runner, with concurrency limiting.
+
+```js
+const RunQueue = require('run-queue')
+
+const queue = new RunQueue({
+  maxConcurrency: 1
+})
+
+queue.add(1, example, [-1])
+for (let ii = 0; ii < 5; ++ii) {
+  queue.add(0, example, [ii])
+}
+const finished = []
+queue.run().then(
+  console.log(finished)
+})
+
+function example (num, next) {
+  setTimeout(() => {
+    finished.push(num)
+    next()
+  }, 5 - Math.abs(num))
+}
+```
+
+would output
+
+```
+[ 0, 1, 2, 3, 4, -1 ]
+```
+
+If you bump concurrency to `2`, then you get:
+
+```
+[ 1, 0, 3, 2, 4, -1 ]
+```
+
+The concurrency means that they don't finish in order, because some take
+longer than others.  Each priority level must finish entirely before the
+next priority level is run.  See
+[PRIORITIES](https://github.com/iarna/run-queue#priorities) below.  This is
+even true if concurrency is set high enough that all of the regular queue
+can execute at once, for instance, with `maxConcurrency: 10`:
+
+```
+[ 4, 3, 2, 1, 0, -1 ]
+```
+
+## API
+
+### const queue = new RunQueue(options)
+
+Create a new queue. Options may contain:
+
+* maxConcurrency - (Default: `1`) The maximum number of jobs to execute at once.
+* Promise - (Default: global.Promise) The promise implementation to use.
+
+### queue.add (prio, fn, args)
+
+Add a new job to the end of the queue at priority `prio` that will run `fn`
+with `args`. If `fn` is async then it should return a Promise.
+
+### queue.run ()
+
+Start running the job queue.  Returns a Promise that resolves when either
+all the jobs are complete or a job ends in error (throws or returns a
+rejected promise). If a job ended in error then this Promise will be rejected
+with that error and no further queue running will be done.
+
+## PRIORITIES
+
+Priorities are any integer value >= 0.
+
+Lowest is executed first.
+
+Priorities essentially represent distinct job queues.  All jobs in a queue
+must complete before the next highest priority job queue is executed.
+
+This means that if you have two queues, `0` and `1` then ALL jobs in `0`
+must complete before ANY execute in `1`.  If you add new `0` level jobs
+while `1` level jobs are running then it will switch back processing the `0`
+queue and won't execute any more `1` jobs till all of the new `0` jobs
+complete.
diff --git a/node_modules/run-queue/package.json b/node_modules/run-queue/package.json
new file mode 100644
index 00000000..f174f9eb
--- /dev/null
+++ b/node_modules/run-queue/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "run-queue",
+  "version": "1.0.3",
+  "description": "A promise based, dynamic priority queue runner, with concurrency limiting.",
+  "main": "queue.js",
+  "scripts": {
+    "test": "standard && tap -J test"
+  },
+  "keywords": [],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org/)",
+  "license": "ISC",
+  "devDependencies": {
+    "standard": "^8.6.0",
+    "tap": "^10.2.0"
+  },
+  "files": [
+    "queue.js"
+  ],
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "aproba": "^1.1.1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/iarna/run-queue.git"
+  },
+  "bugs": {
+    "url": "https://github.com/iarna/run-queue/issues"
+  },
+  "homepage": "https://npmjs.com/package/run-queue"
+}
diff --git a/node_modules/run-queue/queue.js b/node_modules/run-queue/queue.js
new file mode 100644
index 00000000..500bf293
--- /dev/null
+++ b/node_modules/run-queue/queue.js
@@ -0,0 +1,95 @@
+'use strict'
+module.exports = RunQueue
+
+var validate = require('aproba')
+
+function RunQueue (opts) {
+  validate('Z|O', [opts])
+  if (!opts) opts = {}
+  this.finished = false
+  this.inflight = 0
+  this.maxConcurrency = opts.maxConcurrency || 1
+  this.queued = 0
+  this.queue = []
+  this.currentPrio = null
+  this.currentQueue = null
+  this.Promise = opts.Promise || global.Promise
+  this.deferred = {}
+}
+
+RunQueue.prototype = {}
+
+RunQueue.prototype.run = function () {
+  if (arguments.length !== 0) throw new Error('RunQueue.run takes no arguments')
+  var self = this
+  var deferred = this.deferred
+  if (!deferred.promise) {
+    deferred.promise = new this.Promise(function (resolve, reject) {
+      deferred.resolve = resolve
+      deferred.reject = reject
+      self._runQueue()
+    })
+  }
+  return deferred.promise
+}
+
+RunQueue.prototype._runQueue = function () {
+  var self = this
+
+  while ((this.inflight < this.maxConcurrency) && this.queued) {
+    if (!this.currentQueue || this.currentQueue.length === 0) {
+      // wait till the current priority is entirely processed before
+      // starting a new one
+      if (this.inflight) return
+      var prios = Object.keys(this.queue)
+      for (var ii = 0; ii < prios.length; ++ii) {
+        var prioQueue = this.queue[prios[ii]]
+        if (prioQueue.length) {
+          this.currentQueue = prioQueue
+          this.currentPrio = prios[ii]
+          break
+        }
+      }
+    }
+
+    --this.queued
+    ++this.inflight
+    var next = this.currentQueue.shift()
+    var args = next.args || []
+
+    // we explicitly construct a promise here so that queue items can throw
+    // or immediately return to resolve
+    var queueEntry = new this.Promise(function (resolve) {
+      resolve(next.cmd.apply(null, args))
+    })
+
+    queueEntry.then(function () {
+      --self.inflight
+      if (self.finished) return
+      if (self.queued <= 0 && self.inflight <= 0) {
+        self.finished = true
+        self.deferred.resolve()
+      }
+      self._runQueue()
+    }, function (err) {
+      self.finished = true
+      self.deferred.reject(err)
+    })
+  }
+}
+
+RunQueue.prototype.add = function (prio, cmd, args) {
+  if (this.finished) throw new Error("Can't add to a finished queue. Create a new queue.")
+  if (Math.abs(Math.floor(prio)) !== prio) throw new Error('Priorities must be a positive integer value.')
+  validate('NFA|NFZ', [prio, cmd, args])
+  prio = Number(prio)
+  if (!this.queue[prio]) this.queue[prio] = []
+  ++this.queued
+  this.queue[prio].push({cmd: cmd, args: args})
+  // if this priority is higher than the one we're currently processing,
+  // switch back to processing its queue.
+  if (this.currentPrio > prio) {
+    this.currentQueue = this.queue[prio]
+    this.currentPrio = prio
+  }
+}
diff --git a/node_modules/safe-buffer/LICENSE b/node_modules/safe-buffer/LICENSE
new file mode 100644
index 00000000..0c068cee
--- /dev/null
+++ b/node_modules/safe-buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/safe-buffer/README.md b/node_modules/safe-buffer/README.md
new file mode 100644
index 00000000..e9a81afd
--- /dev/null
+++ b/node_modules/safe-buffer/README.md
@@ -0,0 +1,584 @@
+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)
diff --git a/node_modules/safe-buffer/index.d.ts b/node_modules/safe-buffer/index.d.ts
new file mode 100644
index 00000000..e9fed809
--- /dev/null
+++ b/node_modules/safe-buffer/index.d.ts
@@ -0,0 +1,187 @@
+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/safe-buffer/index.js b/node_modules/safe-buffer/index.js
new file mode 100644
index 00000000..f8d3ec98
--- /dev/null
+++ b/node_modules/safe-buffer/index.js
@@ -0,0 +1,65 @@
+/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.prototype = Object.create(Buffer.prototype)
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}
diff --git a/node_modules/safe-buffer/package.json b/node_modules/safe-buffer/package.json
new file mode 100644
index 00000000..f2869e25
--- /dev/null
+++ b/node_modules/safe-buffer/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "safe-buffer",
+  "description": "Safer Node.js Buffer API",
+  "version": "5.2.1",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^5.0.0"
+  },
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/safe-regex/.travis.yml b/node_modules/safe-regex/.travis.yml
new file mode 100644
index 00000000..cc4dba29
--- /dev/null
+++ b/node_modules/safe-regex/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"
diff --git a/node_modules/safe-regex/LICENSE b/node_modules/safe-regex/LICENSE
new file mode 100644
index 00000000..ee27ba4b
--- /dev/null
+++ b/node_modules/safe-regex/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/safe-regex/example/safe.js b/node_modules/safe-regex/example/safe.js
new file mode 100644
index 00000000..f486f592
--- /dev/null
+++ b/node_modules/safe-regex/example/safe.js
@@ -0,0 +1,3 @@
+var safe = require('../');
+var regex = process.argv.slice(2).join(' ');
+console.log(safe(regex));
diff --git a/node_modules/safe-regex/index.js b/node_modules/safe-regex/index.js
new file mode 100644
index 00000000..488f5014
--- /dev/null
+++ b/node_modules/safe-regex/index.js
@@ -0,0 +1,43 @@
+var parse = require('ret');
+var types = parse.types;
+
+module.exports = function (re, opts) {
+    if (!opts) opts = {};
+    var replimit = opts.limit === undefined ? 25 : opts.limit;
+    
+    if (isRegExp(re)) re = re.source;
+    else if (typeof re !== 'string') re = String(re);
+    
+    try { re = parse(re) }
+    catch (err) { return false }
+    
+    var reps = 0;
+    return (function walk (node, starHeight) {
+        if (node.type === types.REPETITION) {
+            starHeight ++;
+            reps ++;
+            if (starHeight > 1) return false;
+            if (reps > replimit) return false;
+        }
+        
+        if (node.options) {
+            for (var i = 0, len = node.options.length; i < len; i++) {
+                var ok = walk({ stack: node.options[i] }, starHeight);
+                if (!ok) return false;
+            }
+        }
+        var stack = node.stack || (node.value && node.value.stack);
+        if (!stack) return true;
+        
+        for (var i = 0; i < stack.length; i++) {
+            var ok = walk(stack[i], starHeight);
+            if (!ok) return false;
+        }
+        
+        return true;
+    })(re, 0);
+};
+
+function isRegExp (x) {
+    return {}.toString.call(x) === '[object RegExp]';
+}
diff --git a/node_modules/safe-regex/package.json b/node_modules/safe-regex/package.json
new file mode 100644
index 00000000..0dd631b5
--- /dev/null
+++ b/node_modules/safe-regex/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "safe-regex",
+  "version": "1.1.0",
+  "description": "detect possibly catastrophic, exponential-time regular expressions",
+  "main": "index.js",
+  "dependencies": {
+    "ret": "~0.1.10"
+  },
+  "devDependencies": {
+    "tape": "^3.5.0"
+  },
+  "scripts": {
+    "test": "tape test/*.js"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8", "ie/9", "ie/10", 
+      "firefox/latest",
+      "chrome/latest",
+      "opera/latest",
+      "safari/latest"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/safe-regex.git"
+  },
+  "homepage": "https://github.com/substack/safe-regex",
+  "keywords": [
+    "catastrophic",
+    "exponential",
+    "regex",
+    "safe",
+    "sandbox"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/safe-regex/readme.markdown b/node_modules/safe-regex/readme.markdown
new file mode 100644
index 00000000..83673ac3
--- /dev/null
+++ b/node_modules/safe-regex/readme.markdown
@@ -0,0 +1,65 @@
+# safe-regex
+
+detect potentially
+[catastrophic](http://regular-expressions.mobi/catastrophic.html)
+[exponential-time](http://perlgeek.de/blog-en/perl-tips/in-search-of-an-exponetial-regexp.html)
+regular expressions by limiting the
+[star height](https://en.wikipedia.org/wiki/Star_height) to 1
+
+WARNING: This module merely *seems* to work given all the catastrophic regular
+expressions I could find scouring the internet, but I don't have enough of a
+background in automata to be absolutely sure that this module will catch all
+exponential-time cases.
+
+[![browser support](https://ci.testling.com/substack/safe-regex.png)](https://ci.testling.com/substack/safe-regex)
+
+[![build status](https://secure.travis-ci.org/substack/safe-regex.png)](http://travis-ci.org/substack/safe-regex)
+
+# example
+
+``` js
+var safe = require('safe-regex');
+var regex = process.argv.slice(2).join(' ');
+console.log(safe(regex));
+```
+
+```
+$ node safe.js '(x+x+)+y'
+false
+$ node safe.js '(beep|boop)*'
+true
+$ node safe.js '(a+){10}'
+false
+$ node safe.js '\blocation\s*:[^:\n]+\b(Oakland|San Francisco)\b'
+true
+```
+
+# methods
+
+``` js
+var safe = require('safe-regex')
+```
+
+## var ok = safe(re, opts={})
+
+Return a boolean `ok` whether or not the regex `re` is safe and not possibly
+catastrophic.
+
+`re` can be a `RegExp` object or just a string.
+
+If the `re` is a string and is an invalid regex, returns `false`.
+
+* `opts.limit` - maximum number of allowed repetitions in the entire regex.
+Default: `25`.
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install safe-regex
+```
+
+# license
+
+MIT
diff --git a/node_modules/safe-regex/test/regex.js b/node_modules/safe-regex/test/regex.js
new file mode 100644
index 00000000..0bda8504
--- /dev/null
+++ b/node_modules/safe-regex/test/regex.js
@@ -0,0 +1,50 @@
+var safe = require('../');
+var test = require('tape');
+
+var good = [
+    /\bOakland\b/,
+    /\b(Oakland|San Francisco)\b/i,
+    /^\d+1337\d+$/i,
+    /^\d+(1337|404)\d+$/i,
+    /^\d+(1337|404)*\d+$/i,
+    RegExp(Array(26).join('a?') + Array(26).join('a')),
+];
+
+test('safe regex', function (t) {
+    t.plan(good.length);
+    good.forEach(function (re) {
+        t.equal(safe(re), true);
+    });
+});
+
+
+var bad = [
+    /^(a?){25}(a){25}$/,
+    RegExp(Array(27).join('a?') + Array(27).join('a')),
+    /(x+x+)+y/,
+    /foo|(x+x+)+y/,
+    /(a+){10}y/,
+    /(a+){2}y/,
+    /(.*){1,32000}[bc]/
+];
+
+test('unsafe regex', function (t) {
+    t.plan(bad.length);
+    bad.forEach(function (re) {
+        t.equal(safe(re), false);
+    });
+});
+
+var invalid = [
+    '*Oakland*',
+    'hey(yoo))',
+    'abcde(?>hellow)',
+    '[abc'
+];
+
+test('invalid regex', function (t) {
+    t.plan(invalid.length);
+    invalid.forEach(function (re) {
+        t.equal(safe(re), false);
+    });
+});
diff --git a/node_modules/schema-utils/CHANGELOG.md b/node_modules/schema-utils/CHANGELOG.md
new file mode 100644
index 00000000..38963a34
--- /dev/null
+++ b/node_modules/schema-utils/CHANGELOG.md
@@ -0,0 +1,340 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+## [3.3.0](https://github.com/webpack/schema-utils/compare/v3.2.0...v3.3.0) (2023-06-14)
+
+
+### Features
+
+* added API to disable and enable validation ([#183](https://github.com/webpack/schema-utils/issues/183)) ([d4d334f](https://github.com/webpack/schema-utils/commit/d4d334f0ba22eb6b6564b1119e8f3ea439e1f2bb))
+
+
+### Bug Fixes
+
+* **perf:** cache compiled schema ([#182](https://github.com/webpack/schema-utils/issues/182)) ([02aa068](https://github.com/webpack/schema-utils/commit/02aa068df80d99cc576a5ed385f947eb5204c5db))
+
+## [3.2.0](https://github.com/webpack/schema-utils/compare/v3.1.2...v3.2.0) (2023-06-07)
+
+
+### Features
+
+* implement `undefinedAsNull` keyword for `enum` type ([#176](https://github.com/webpack/schema-utils/issues/176)) ([95826eb](https://github.com/webpack/schema-utils/commit/95826eb9e14bc4b10ab95f962ac2bdca447880a3))
+
+### [3.1.2](https://github.com/webpack/schema-utils/compare/v3.1.1...v3.1.2) (2023-04-15)
+
+
+### Bug Fixes
+
+* **perf:** reduced initial start time ([#170](https://github.com/webpack/schema-utils/issues/170)) ([8d052e6](https://github.com/webpack/schema-utils/commit/8d052e6764dc9247e7d5b7b1ae8f87ca5047b2b0))
+
+### [3.1.1](https://github.com/webpack/schema-utils/compare/v3.1.0...v3.1.1) (2021-07-19)
+
+
+### Bug Fixes
+
+* update error message for `integer` ([#136](https://github.com/webpack/schema-utils/issues/136)) ([2daa97e](https://github.com/webpack/schema-utils/commit/2daa97eae87e6790b92711746a6a527b859ac13b))
+
+## [3.1.0](https://github.com/webpack/schema-utils/compare/v3.0.0...v3.1.0) (2021-06-30)
+
+
+### Features
+
+* added the `link` property in validation error ([589aa59](https://github.com/webpack/schema-utils/commit/589aa5993424a8bc45ec22b67dff55be92c456a9))
+
+
+### Bug Fixes
+
+* non-empty validation error message ([#116](https://github.com/webpack/schema-utils/issues/116)) ([c51abef](https://github.com/webpack/schema-utils/commit/c51abefa4d4d62e1346b3a105182d36675595077))
+
+## [3.0.0](https://github.com/webpack/schema-utils/compare/v2.7.1...v3.0.0) (2020-10-05)
+
+
+### ⚠ BREAKING CHANGES
+
+* minimum supported `Node.js` version is `10.13.0`, 
+* the packages exports was changed, please use `const { validate } = require('schema-utils');`
+* the `ValidateError` export was removed in favor the `ValidationError` export, please use `const { ValidationError } = require('schema-utils');`
+
+### [2.7.1](https://github.com/webpack/schema-utils/compare/v2.7.0...v2.7.1) (2020-08-31)
+
+
+### Bug Fixes
+
+* remove esModuleInterop from tsconfig ([#110](https://github.com/webpack/schema-utils/issues/110)) ([#111](https://github.com/webpack/schema-utils/issues/111)) ([2f40154](https://github.com/webpack/schema-utils/commit/2f40154b91e45b393258ae9dd8f10cc3b8590b7d))
+
+## [2.7.0](https://github.com/webpack/schema-utils/compare/v2.6.6...v2.7.0) (2020-05-29)
+
+
+### Features
+
+* improve hints ([a36e535](https://github.com/webpack/schema-utils/commit/a36e535faca1b01e27c3bfa3c8bee9227c3f836c))
+* smart not case ([#101](https://github.com/webpack/schema-utils/issues/101)) ([698d8b0](https://github.com/webpack/schema-utils/commit/698d8b05462d86aadb217e25a45c7b953a79a52e))
+
+
+### Bug Fixes
+
+* move @types/json-schema from devDependencies to dependencies ([#97](https://github.com/webpack/schema-utils/issues/97)) ([#98](https://github.com/webpack/schema-utils/issues/98)) ([945e67d](https://github.com/webpack/schema-utils/commit/945e67db5e19baf7ec7df72813b0739dd56f950d))
+
+### [2.6.6](https://github.com/webpack/schema-utils/compare/v2.6.5...v2.6.6) (2020-04-17)
+
+
+### Bug Fixes
+
+* improve perf
+
+### [2.6.5](https://github.com/webpack/schema-utils/compare/v2.6.4...v2.6.5) (2020-03-11)
+
+
+### Bug Fixes
+
+* correct dots at end of sentence ([7284beb](https://github.com/webpack/schema-utils/commit/7284bebe00cd570f1bef2c15951a07b9794038e6))
+
+### [2.6.4](https://github.com/webpack/schema-utils/compare/v2.6.3...v2.6.4) (2020-01-17)
+
+
+### Bug Fixes
+
+* change `initialised` to `initialized` ([#87](https://github.com/webpack/schema-utils/issues/87)) ([70f12d3](https://github.com/webpack/schema-utils/commit/70f12d33a8eaa27249bc9c1a27f886724cf91ea7))
+
+### [2.6.3](https://github.com/webpack/schema-utils/compare/v2.6.2...v2.6.3) (2020-01-17)
+
+
+### Bug Fixes
+
+* prefer the `baseDataPath` option from arguments ([#86](https://github.com/webpack/schema-utils/issues/86)) ([e236859](https://github.com/webpack/schema-utils/commit/e236859e85b28e35e1294f86fc1ff596a5031cea))
+
+### [2.6.2](https://github.com/webpack/schema-utils/compare/v2.6.1...v2.6.2) (2020-01-14)
+
+
+### Bug Fixes
+
+* better handle Windows absolute paths ([#85](https://github.com/webpack/schema-utils/issues/85)) ([1fa2930](https://github.com/webpack/schema-utils/commit/1fa2930a161e907b9fc53a7233d605910afdb883))
+
+### [2.6.1](https://github.com/webpack/schema-utils/compare/v2.6.0...v2.6.1) (2019-11-28)
+
+
+### Bug Fixes
+
+* typescript declarations ([#84](https://github.com/webpack/schema-utils/issues/84)) ([89d55a9](https://github.com/webpack/schema-utils/commit/89d55a9a8edfa6a8ac8b112f226bb3154e260319))
+
+## [2.6.0](https://github.com/webpack/schema-utils/compare/v2.5.0...v2.6.0) (2019-11-27)
+
+
+### Features
+
+* support configuration via title ([#81](https://github.com/webpack/schema-utils/issues/81)) ([afddc10](https://github.com/webpack/schema-utils/commit/afddc109f6891cd37a9f1835d50862d119a072bf))
+
+
+### Bug Fixes
+
+* typescript definitions ([#70](https://github.com/webpack/schema-utils/issues/70)) ([f38158d](https://github.com/webpack/schema-utils/commit/f38158d6d040e2c701622778ae8122fb26a4f990))
+
+## [2.5.0](https://github.com/webpack/schema-utils/compare/v2.4.1...v2.5.0) (2019-10-15)
+
+
+### Bug Fixes
+
+* rework format for maxLength, minLength ([#67](https://github.com/webpack/schema-utils/issues/67)) ([0d12259](https://github.com/webpack/schema-utils/commit/0d12259))
+* support all cases with one number in range ([#64](https://github.com/webpack/schema-utils/issues/64)) ([7fc8069](https://github.com/webpack/schema-utils/commit/7fc8069))
+* typescript definition and export naming ([#69](https://github.com/webpack/schema-utils/issues/69)) ([a435b79](https://github.com/webpack/schema-utils/commit/a435b79))
+
+
+### Features
+
+* "smart" numbers range ([62fb107](https://github.com/webpack/schema-utils/commit/62fb107))
+
+### [2.4.1](https://github.com/webpack/schema-utils/compare/v2.4.0...v2.4.1) (2019-09-27)
+
+
+### Bug Fixes
+
+* publish definitions ([#58](https://github.com/webpack/schema-utils/issues/58)) ([1885faa](https://github.com/webpack/schema-utils/commit/1885faa))
+
+## [2.4.0](https://github.com/webpack/schema-utils/compare/v2.3.0...v2.4.0) (2019-09-26)
+
+
+### Features
+
+* better errors when the `type` keyword doesn't exist ([0988be2](https://github.com/webpack/schema-utils/commit/0988be2))
+* support $data reference ([#56](https://github.com/webpack/schema-utils/issues/56)) ([d2f11d6](https://github.com/webpack/schema-utils/commit/d2f11d6))
+* types definitions ([#52](https://github.com/webpack/schema-utils/issues/52)) ([facb431](https://github.com/webpack/schema-utils/commit/facb431))
+
+## [2.3.0](https://github.com/webpack/schema-utils/compare/v2.2.0...v2.3.0) (2019-09-26)
+
+
+### Features
+
+* support `not` keyword ([#53](https://github.com/webpack/schema-utils/issues/53)) ([765f458](https://github.com/webpack/schema-utils/commit/765f458))
+
+## [2.2.0](https://github.com/webpack/schema-utils/compare/v2.1.0...v2.2.0) (2019-09-02)
+
+
+### Features
+
+* better error output for `oneOf` and `anyOf` ([#48](https://github.com/webpack/schema-utils/issues/48)) ([#50](https://github.com/webpack/schema-utils/issues/50)) ([332242f](https://github.com/webpack/schema-utils/commit/332242f))
+
+## [2.1.0](https://github.com/webpack-contrib/schema-utils/compare/v2.0.1...v2.1.0) (2019-08-07)
+
+
+### Bug Fixes
+
+* throw error on sparse arrays ([#47](https://github.com/webpack-contrib/schema-utils/issues/47)) ([b85ac38](https://github.com/webpack-contrib/schema-utils/commit/b85ac38))
+
+
+### Features
+
+* export `ValidateError` ([#46](https://github.com/webpack-contrib/schema-utils/issues/46)) ([ff781d7](https://github.com/webpack-contrib/schema-utils/commit/ff781d7))
+
+
+
+### [2.0.1](https://github.com/webpack-contrib/schema-utils/compare/v2.0.0...v2.0.1) (2019-07-18)
+
+
+### Bug Fixes
+
+* error message for empty object ([#44](https://github.com/webpack-contrib/schema-utils/issues/44)) ([0b4b4a2](https://github.com/webpack-contrib/schema-utils/commit/0b4b4a2))
+
+
+
+### [2.0.0](https://github.com/webpack-contrib/schema-utils/compare/v1.0.0...v2.0.0) (2019-07-17)
+
+
+### BREAKING CHANGES
+
+* drop support for Node.js < 8.9.0
+* drop support `errorMessage`, please use `description` for links.
+* api was changed, please look documentation.
+* error messages was fully rewritten.
+
+
+<a name="1.0.0"></a>
+# [1.0.0](https://github.com/webpack-contrib/schema-utils/compare/v0.4.7...v1.0.0) (2018-08-07)
+
+
+### Features
+
+* **src:** add support for custom error messages ([#33](https://github.com/webpack-contrib/schema-utils/issues/33)) ([1cbe4ef](https://github.com/webpack-contrib/schema-utils/commit/1cbe4ef))
+
+
+
+<a name="0.4.7"></a>
+## [0.4.7](https://github.com/webpack-contrib/schema-utils/compare/v0.4.6...v0.4.7) (2018-08-07)
+
+
+### Bug Fixes
+
+* **src:** `node >= v4.0.0` support ([#32](https://github.com/webpack-contrib/schema-utils/issues/32)) ([cb13dd4](https://github.com/webpack-contrib/schema-utils/commit/cb13dd4))
+
+
+
+<a name="0.4.6"></a>
+## [0.4.6](https://github.com/webpack-contrib/schema-utils/compare/v0.4.5...v0.4.6) (2018-08-06)
+
+
+### Bug Fixes
+
+* **package:** remove lockfile ([#28](https://github.com/webpack-contrib/schema-utils/issues/28)) ([69f1a81](https://github.com/webpack-contrib/schema-utils/commit/69f1a81))
+* **package:** remove unnecessary `webpack` dependency ([#26](https://github.com/webpack-contrib/schema-utils/issues/26)) ([532eaa5](https://github.com/webpack-contrib/schema-utils/commit/532eaa5))
+
+
+
+<a name="0.4.5"></a>
+## [0.4.5](https://github.com/webpack-contrib/schema-utils/compare/v0.4.4...v0.4.5) (2018-02-13)
+
+
+### Bug Fixes
+
+* **CHANGELOG:** update broken links ([4483b9f](https://github.com/webpack-contrib/schema-utils/commit/4483b9f))
+* **package:** update broken links ([f2494ba](https://github.com/webpack-contrib/schema-utils/commit/f2494ba))
+
+
+
+<a name="0.4.4"></a>
+## [0.4.4](https://github.com/webpack-contrib/schema-utils/compare/v0.4.3...v0.4.4) (2018-02-13)
+
+
+### Bug Fixes
+
+* **package:** update `dependencies` ([#22](https://github.com/webpack-contrib/schema-utils/issues/22)) ([3aecac6](https://github.com/webpack-contrib/schema-utils/commit/3aecac6))
+
+
+
+<a name="0.4.3"></a>
+## [0.4.3](https://github.com/webpack-contrib/schema-utils/compare/v0.4.2...v0.4.3) (2017-12-14)
+
+
+### Bug Fixes
+
+* **validateOptions:** throw `err` instead of `process.exit(1)` ([#17](https://github.com/webpack-contrib/schema-utils/issues/17)) ([c595eda](https://github.com/webpack-contrib/schema-utils/commit/c595eda))
+* **ValidationError:** never return `this` in the ctor ([#16](https://github.com/webpack-contrib/schema-utils/issues/16)) ([c723791](https://github.com/webpack-contrib/schema-utils/commit/c723791))
+
+
+
+<a name="0.4.2"></a>
+## [0.4.2](https://github.com/webpack-contrib/schema-utils/compare/v0.4.1...v0.4.2) (2017-11-09)
+
+
+### Bug Fixes
+
+* **validateOptions:** catch `ValidationError` and handle it internally ([#15](https://github.com/webpack-contrib/schema-utils/issues/15)) ([9c5ef5e](https://github.com/webpack-contrib/schema-utils/commit/9c5ef5e))
+
+
+
+<a name="0.4.1"></a>
+## [0.4.1](https://github.com/webpack-contrib/schema-utils/compare/v0.4.0...v0.4.1) (2017-11-03)
+
+
+### Bug Fixes
+
+* **ValidationError:** use `Error.captureStackTrace` for `err.stack` handling ([#14](https://github.com/webpack-contrib/schema-utils/issues/14)) ([a6fb974](https://github.com/webpack-contrib/schema-utils/commit/a6fb974))
+
+
+
+<a name="0.4.0"></a>
+# [0.4.0](https://github.com/webpack-contrib/schema-utils/compare/v0.3.0...v0.4.0) (2017-10-28)
+
+
+### Features
+
+* add support for `typeof`, `instanceof` (`{Function\|RegExp}`) ([#10](https://github.com/webpack-contrib/schema-utils/issues/10)) ([9f01816](https://github.com/webpack-contrib/schema-utils/commit/9f01816))
+
+
+
+<a name="0.3.0"></a>
+# [0.3.0](https://github.com/webpack-contrib/schema-utils/compare/v0.2.1...v0.3.0) (2017-04-29)
+
+
+### Features
+
+* add ValidationError ([#8](https://github.com/webpack-contrib/schema-utils/issues/8)) ([d48f0fb](https://github.com/webpack-contrib/schema-utils/commit/d48f0fb))
+
+
+
+<a name="0.2.1"></a>
+## [0.2.1](https://github.com/webpack-contrib/schema-utils/compare/v0.2.0...v0.2.1) (2017-03-13)
+
+
+### Bug Fixes
+
+* Include .babelrc to `files` ([28f0363](https://github.com/webpack-contrib/schema-utils/commit/28f0363))
+* Include source to `files` ([43b0f2f](https://github.com/webpack-contrib/schema-utils/commit/43b0f2f))
+
+
+
+<a name="0.2.0"></a>
+# [0.2.0](https://github.com/webpack-contrib/schema-utils/compare/v0.1.0...v0.2.0) (2017-03-12)
+
+<a name="0.1.0"></a>
+# 0.1.0 (2017-03-07)
+
+
+### Features
+
+* **validations:** add validateOptions module ([ae9b47b](https://github.com/webpack-contrib/schema-utils/commit/ae9b47b))
+
+
+
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
diff --git a/node_modules/schema-utils/LICENSE b/node_modules/schema-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/schema-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/schema-utils/README.md b/node_modules/schema-utils/README.md
new file mode 100644
index 00000000..b56ab020
--- /dev/null
+++ b/node_modules/schema-utils/README.md
@@ -0,0 +1,290 @@
+<div align="center">
+  <a href="http://json-schema.org">
+    <img width="160" height="160"
+      src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/.github/assets/logo.png">
+  </a>
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+</div>
+
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![tests][tests]][tests-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+[![size][size]][size-url]
+
+# schema-utils
+
+Package for validate options in loaders and plugins.
+
+## Getting Started
+
+To begin, you'll need to install `schema-utils`:
+
+```console
+npm install schema-utils
+```
+
+## API
+
+**schema.json**
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "option": {
+      "type": "boolean"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+```js
+import schema from "./path/to/schema.json";
+import { validate } from "schema-utils";
+
+const options = { option: true };
+const configuration = { name: "Loader Name/Plugin Name/Name" };
+
+validate(schema, options, configuration);
+```
+
+### `schema`
+
+Type: `String`
+
+JSON schema.
+
+Simple example of schema:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "name": {
+      "description": "This is description of option.",
+      "type": "string"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+### `options`
+
+Type: `Object`
+
+Object with options.
+
+```js
+import schema from "./path/to/schema.json";
+import { validate } from "schema-utils";
+
+const options = { foo: "bar" };
+
+validate(schema, { name: 123 }, { name: "MyPlugin" });
+```
+
+### `configuration`
+
+Allow to configure validator.
+
+There is an alternative method to configure the `name` and`baseDataPath` options via the `title` property in the schema.
+For example:
+
+```json
+{
+  "title": "My Loader options",
+  "type": "object",
+  "properties": {
+    "name": {
+      "description": "This is description of option.",
+      "type": "string"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+The last word used for the `baseDataPath` option, other words used for the `name` option.
+Based on the example above the `name` option equals `My Loader`, the `baseDataPath` option equals `options`.
+
+#### `name`
+
+Type: `Object`
+Default: `"Object"`
+
+Allow to setup name in validation errors.
+
+```js
+import schema from "./path/to/schema.json";
+import { validate } from "schema-utils";
+
+const options = { foo: "bar" };
+
+validate(schema, options, { name: "MyPlugin" });
+```
+
+```shell
+Invalid configuration object. MyPlugin has been initialised using a configuration object that does not match the API schema.
+ - configuration.optionName should be a integer.
+```
+
+#### `baseDataPath`
+
+Type: `String`
+Default: `"configuration"`
+
+Allow to setup base data path in validation errors.
+
+```js
+import schema from "./path/to/schema.json";
+import { validate } from "schema-utils";
+
+const options = { foo: "bar" };
+
+validate(schema, options, { name: "MyPlugin", baseDataPath: "options" });
+```
+
+```shell
+Invalid options object. MyPlugin has been initialised using an options object that does not match the API schema.
+ - options.optionName should be a integer.
+```
+
+#### `postFormatter`
+
+Type: `Function`
+Default: `undefined`
+
+Allow to reformat errors.
+
+```js
+import schema from "./path/to/schema.json";
+import { validate } from "schema-utils";
+
+const options = { foo: "bar" };
+
+validate(schema, options, {
+  name: "MyPlugin",
+  postFormatter: (formattedError, error) => {
+    if (error.keyword === "type") {
+      return `${formattedError}\nAdditional Information.`;
+    }
+
+    return formattedError;
+  },
+});
+```
+
+```shell
+Invalid options object. MyPlugin has been initialized using an options object that does not match the API schema.
+ - options.optionName should be a integer.
+   Additional Information.
+```
+
+## Examples
+
+**schema.json**
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "test": {
+      "anyOf": [
+        { "type": "array" },
+        { "type": "string" },
+        { "instanceof": "RegExp" }
+      ]
+    },
+    "transform": {
+      "instanceof": "Function"
+    },
+    "sourceMap": {
+      "type": "boolean"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+### `Loader`
+
+```js
+import { getOptions } from "loader-utils";
+import { validate } from "schema-utils";
+
+import schema from "path/to/schema.json";
+
+function loader(src, map) {
+  const options = getOptions(this);
+
+  validate(schema, options, {
+    name: "Loader Name",
+    baseDataPath: "options",
+  });
+
+  // Code...
+}
+
+export default loader;
+```
+
+### `Plugin`
+
+```js
+import { validate } from "schema-utils";
+
+import schema from "path/to/schema.json";
+
+class Plugin {
+  constructor(options) {
+    validate(schema, options, {
+      name: "Plugin Name",
+      baseDataPath: "options",
+    });
+
+    this.options = options;
+  }
+
+  apply(compiler) {
+    // Code...
+  }
+}
+
+export default Plugin;
+```
+
+## Contributing
+
+Please take a moment to read our contributing guidelines if you haven't yet done so.
+
+[CONTRIBUTING](./.github/CONTRIBUTING.md)
+
+## License
+
+[MIT](./LICENSE)
+
+[npm]: https://img.shields.io/npm/v/schema-utils.svg
+[npm-url]: https://npmjs.com/package/schema-utils
+[node]: https://img.shields.io/node/v/schema-utils.svg
+[node-url]: https://nodejs.org
+[deps]: https://david-dm.org/webpack/schema-utils.svg
+[deps-url]: https://david-dm.org/webpack/schema-utils
+[tests]: https://github.com/webpack/schema-utils/workflows/schema-utils/badge.svg
+[tests-url]: https://github.com/webpack/schema-utils/actions
+[cover]: https://codecov.io/gh/webpack/schema-utils/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack/schema-utils
+[chat]: https://badges.gitter.im/webpack/webpack.svg
+[chat-url]: https://gitter.im/webpack/webpack
+[size]: https://packagephobia.com/badge?p=schema-utils
+[size-url]: https://packagephobia.com/result?p=schema-utils
diff --git a/node_modules/schema-utils/declarations/ValidationError.d.ts b/node_modules/schema-utils/declarations/ValidationError.d.ts
new file mode 100644
index 00000000..55a8a9a1
--- /dev/null
+++ b/node_modules/schema-utils/declarations/ValidationError.d.ts
@@ -0,0 +1,74 @@
+export default ValidationError;
+export type JSONSchema6 = import("json-schema").JSONSchema6;
+export type JSONSchema7 = import("json-schema").JSONSchema7;
+export type Schema = import("./validate").Schema;
+export type ValidationErrorConfiguration =
+  import("./validate").ValidationErrorConfiguration;
+export type PostFormatter = import("./validate").PostFormatter;
+export type SchemaUtilErrorObject = import("./validate").SchemaUtilErrorObject;
+declare class ValidationError extends Error {
+  /**
+   * @param {Array<SchemaUtilErrorObject>} errors
+   * @param {Schema} schema
+   * @param {ValidationErrorConfiguration} configuration
+   */
+  constructor(
+    errors: Array<SchemaUtilErrorObject>,
+    schema: Schema,
+    configuration?: ValidationErrorConfiguration
+  );
+  /** @type {Array<SchemaUtilErrorObject>} */
+  errors: Array<SchemaUtilErrorObject>;
+  /** @type {Schema} */
+  schema: Schema;
+  /** @type {string} */
+  headerName: string;
+  /** @type {string} */
+  baseDataPath: string;
+  /** @type {PostFormatter | null} */
+  postFormatter: PostFormatter | null;
+  /**
+   * @param {string} path
+   * @returns {Schema}
+   */
+  getSchemaPart(path: string): Schema;
+  /**
+   * @param {Schema} schema
+   * @param {boolean} logic
+   * @param {Array<Object>} prevSchemas
+   * @returns {string}
+   */
+  formatSchema(
+    schema: Schema,
+    logic?: boolean,
+    prevSchemas?: Array<Object>
+  ): string;
+  /**
+   * @param {Schema=} schemaPart
+   * @param {(boolean | Array<string>)=} additionalPath
+   * @param {boolean=} needDot
+   * @param {boolean=} logic
+   * @returns {string}
+   */
+  getSchemaPartText(
+    schemaPart?: Schema | undefined,
+    additionalPath?: (boolean | Array<string>) | undefined,
+    needDot?: boolean | undefined,
+    logic?: boolean | undefined
+  ): string;
+  /**
+   * @param {Schema=} schemaPart
+   * @returns {string}
+   */
+  getSchemaPartDescription(schemaPart?: Schema | undefined): string;
+  /**
+   * @param {SchemaUtilErrorObject} error
+   * @returns {string}
+   */
+  formatValidationError(error: SchemaUtilErrorObject): string;
+  /**
+   * @param {Array<SchemaUtilErrorObject>} errors
+   * @returns {string}
+   */
+  formatValidationErrors(errors: Array<SchemaUtilErrorObject>): string;
+}
diff --git a/node_modules/schema-utils/declarations/index.d.ts b/node_modules/schema-utils/declarations/index.d.ts
new file mode 100644
index 00000000..def01ba8
--- /dev/null
+++ b/node_modules/schema-utils/declarations/index.d.ts
@@ -0,0 +1,12 @@
+import { validate } from "./validate";
+import { ValidationError } from "./validate";
+import { enableValidation } from "./validate";
+import { disableValidation } from "./validate";
+import { needValidate } from "./validate";
+export {
+  validate,
+  ValidationError,
+  enableValidation,
+  disableValidation,
+  needValidate,
+};
diff --git a/node_modules/schema-utils/declarations/keywords/absolutePath.d.ts b/node_modules/schema-utils/declarations/keywords/absolutePath.d.ts
new file mode 100644
index 00000000..0d16689b
--- /dev/null
+++ b/node_modules/schema-utils/declarations/keywords/absolutePath.d.ts
@@ -0,0 +1,10 @@
+export default addAbsolutePathKeyword;
+export type Ajv = import("ajv").Ajv;
+export type ValidateFunction = import("ajv").ValidateFunction;
+export type SchemaUtilErrorObject = import("../validate").SchemaUtilErrorObject;
+/**
+ *
+ * @param {Ajv} ajv
+ * @returns {Ajv}
+ */
+declare function addAbsolutePathKeyword(ajv: Ajv): Ajv;
diff --git a/node_modules/schema-utils/declarations/keywords/undefinedAsNull.d.ts b/node_modules/schema-utils/declarations/keywords/undefinedAsNull.d.ts
new file mode 100644
index 00000000..35096520
--- /dev/null
+++ b/node_modules/schema-utils/declarations/keywords/undefinedAsNull.d.ts
@@ -0,0 +1,8 @@
+export default addUndefinedAsNullKeyword;
+export type Ajv = import("ajv").Ajv;
+/**
+ *
+ * @param {Ajv} ajv
+ * @returns {Ajv}
+ */
+declare function addUndefinedAsNullKeyword(ajv: Ajv): Ajv;
diff --git a/node_modules/schema-utils/declarations/util/Range.d.ts b/node_modules/schema-utils/declarations/util/Range.d.ts
new file mode 100644
index 00000000..2ba97fc1
--- /dev/null
+++ b/node_modules/schema-utils/declarations/util/Range.d.ts
@@ -0,0 +1,79 @@
+export = Range;
+/**
+ * @typedef {[number, boolean]} RangeValue
+ */
+/**
+ * @callback RangeValueCallback
+ * @param {RangeValue} rangeValue
+ * @returns {boolean}
+ */
+declare class Range {
+  /**
+   * @param {"left" | "right"} side
+   * @param {boolean} exclusive
+   * @returns {">" | ">=" | "<" | "<="}
+   */
+  static getOperator(
+    side: "left" | "right",
+    exclusive: boolean
+  ): ">" | ">=" | "<" | "<=";
+  /**
+   * @param {number} value
+   * @param {boolean} logic is not logic applied
+   * @param {boolean} exclusive is range exclusive
+   * @returns {string}
+   */
+  static formatRight(value: number, logic: boolean, exclusive: boolean): string;
+  /**
+   * @param {number} value
+   * @param {boolean} logic is not logic applied
+   * @param {boolean} exclusive is range exclusive
+   * @returns {string}
+   */
+  static formatLeft(value: number, logic: boolean, exclusive: boolean): string;
+  /**
+   * @param {number} start left side value
+   * @param {number} end right side value
+   * @param {boolean} startExclusive is range exclusive from left side
+   * @param {boolean} endExclusive is range exclusive from right side
+   * @param {boolean} logic is not logic applied
+   * @returns {string}
+   */
+  static formatRange(
+    start: number,
+    end: number,
+    startExclusive: boolean,
+    endExclusive: boolean,
+    logic: boolean
+  ): string;
+  /**
+   * @param {Array<RangeValue>} values
+   * @param {boolean} logic is not logic applied
+   * @return {RangeValue} computed value and it's exclusive flag
+   */
+  static getRangeValue(values: Array<RangeValue>, logic: boolean): RangeValue;
+  /** @type {Array<RangeValue>} */
+  _left: Array<RangeValue>;
+  /** @type {Array<RangeValue>} */
+  _right: Array<RangeValue>;
+  /**
+   * @param {number} value
+   * @param {boolean=} exclusive
+   */
+  left(value: number, exclusive?: boolean | undefined): void;
+  /**
+   * @param {number} value
+   * @param {boolean=} exclusive
+   */
+  right(value: number, exclusive?: boolean | undefined): void;
+  /**
+   * @param {boolean} logic is not logic applied
+   * @return {string} "smart" range string representation
+   */
+  format(logic?: boolean): string;
+}
+declare namespace Range {
+  export { RangeValue, RangeValueCallback };
+}
+type RangeValue = [number, boolean];
+type RangeValueCallback = (rangeValue: RangeValue) => boolean;
diff --git a/node_modules/schema-utils/declarations/util/hints.d.ts b/node_modules/schema-utils/declarations/util/hints.d.ts
new file mode 100644
index 00000000..e43e32a2
--- /dev/null
+++ b/node_modules/schema-utils/declarations/util/hints.d.ts
@@ -0,0 +1,3 @@
+export function stringHints(schema: Schema, logic: boolean): string[];
+export function numberHints(schema: Schema, logic: boolean): string[];
+export type Schema = import("../validate").Schema;
diff --git a/node_modules/schema-utils/declarations/validate.d.ts b/node_modules/schema-utils/declarations/validate.d.ts
new file mode 100644
index 00000000..7f1c87f3
--- /dev/null
+++ b/node_modules/schema-utils/declarations/validate.d.ts
@@ -0,0 +1,42 @@
+export type JSONSchema4 = import("json-schema").JSONSchema4;
+export type JSONSchema6 = import("json-schema").JSONSchema6;
+export type JSONSchema7 = import("json-schema").JSONSchema7;
+export type ErrorObject = import("ajv").ErrorObject;
+export type ValidateFunction = import("ajv").ValidateFunction;
+export type Extend = {
+  formatMinimum?: number | undefined;
+  formatMaximum?: number | undefined;
+  formatExclusiveMinimum?: boolean | undefined;
+  formatExclusiveMaximum?: boolean | undefined;
+  link?: string | undefined;
+  undefinedAsNull?: boolean | undefined;
+};
+export type Schema = (JSONSchema4 | JSONSchema6 | JSONSchema7) & Extend;
+export type SchemaUtilErrorObject = ErrorObject & {
+  children?: Array<ErrorObject>;
+};
+export type PostFormatter = (
+  formattedError: string,
+  error: SchemaUtilErrorObject
+) => string;
+export type ValidationErrorConfiguration = {
+  name?: string | undefined;
+  baseDataPath?: string | undefined;
+  postFormatter?: PostFormatter | undefined;
+};
+/**
+ * @param {Schema} schema
+ * @param {Array<object> | object} options
+ * @param {ValidationErrorConfiguration=} configuration
+ * @returns {void}
+ */
+export function validate(
+  schema: Schema,
+  options: Array<object> | object,
+  configuration?: ValidationErrorConfiguration | undefined
+): void;
+export function enableValidation(): void;
+export function disableValidation(): void;
+export function needValidate(): boolean;
+import ValidationError from "./ValidationError";
+export { ValidationError };
diff --git a/node_modules/schema-utils/package.json b/node_modules/schema-utils/package.json
new file mode 100644
index 00000000..47943eff
--- /dev/null
+++ b/node_modules/schema-utils/package.json
@@ -0,0 +1,78 @@
+{
+  "name": "schema-utils",
+  "version": "3.3.0",
+  "description": "webpack Validation Utils",
+  "license": "MIT",
+  "repository": "webpack/schema-utils",
+  "author": "webpack Contrib (https://github.com/webpack-contrib)",
+  "homepage": "https://github.com/webpack/schema-utils",
+  "bugs": "https://github.com/webpack/schema-utils/issues",
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/webpack"
+  },
+  "main": "dist/index.js",
+  "types": "declarations/index.d.ts",
+  "engines": {
+    "node": ">= 10.13.0"
+  },
+  "scripts": {
+    "start": "npm run build -- -w",
+    "clean": "del-cli dist declarations",
+    "prebuild": "npm run clean",
+    "build:types": "tsc --declaration --emitDeclarationOnly --outDir declarations && prettier \"declarations/**/*.ts\" --write",
+    "build:code": "cross-env NODE_ENV=production babel src -d dist --copy-files",
+    "build": "npm-run-all -p \"build:**\"",
+    "commitlint": "commitlint --from=master",
+    "security": "npm audit --production",
+    "fmt:check": "prettier \"{**/*,*}.{js,json,md,yml,css,ts}\" --list-different",
+    "lint:js": "eslint --cache .",
+    "lint:types": "tsc --pretty --noEmit",
+    "lint": "npm-run-all lint:js lint:types fmt:check",
+    "fmt": "npm run fmt:check -- --write",
+    "fix:js": "npm run lint:js -- --fix",
+    "fix": "npm-run-all fix:js fmt",
+    "test:only": "cross-env NODE_ENV=test jest",
+    "test:watch": "npm run test:only -- --watch",
+    "test:coverage": "npm run test:only -- --collectCoverageFrom=\"src/**/*.js\" --coverage",
+    "pretest": "npm run lint",
+    "test": "npm run test:coverage",
+    "prepare": "npm run build && husky install",
+    "release": "standard-version"
+  },
+  "files": [
+    "dist",
+    "declarations"
+  ],
+  "dependencies": {
+    "@types/json-schema": "^7.0.8",
+    "ajv": "^6.12.5",
+    "ajv-keywords": "^3.5.2"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.14.3",
+    "@babel/core": "^7.14.6",
+    "@babel/preset-env": "^7.14.7",
+    "@commitlint/cli": "^12.1.4",
+    "@commitlint/config-conventional": "^12.1.4",
+    "@webpack-contrib/eslint-config-webpack": "^3.0.0",
+    "babel-jest": "^27.0.6",
+    "cross-env": "^7.0.3",
+    "del": "^6.0.0",
+    "del-cli": "^3.0.1",
+    "eslint": "^7.31.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-import": "^2.23.4",
+    "husky": "^6.0.0",
+    "jest": "^27.0.6",
+    "lint-staged": "^11.0.1",
+    "npm-run-all": "^4.1.5",
+    "prettier": "^2.3.2",
+    "standard-version": "^9.3.1",
+    "typescript": "^4.3.5",
+    "webpack": "^5.45.1"
+  },
+  "keywords": [
+    "webpack"
+  ]
+}
diff --git a/node_modules/semver/LICENSE b/node_modules/semver/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/semver/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/semver/README.md b/node_modules/semver/README.md
new file mode 100644
index 00000000..f8dfa5a0
--- /dev/null
+++ b/node_modules/semver/README.md
@@ -0,0 +1,412 @@
+semver(1) -- The semantic versioner for npm
+===========================================
+
+## Install
+
+```bash
+npm install --save semver
+````
+
+## Usage
+
+As a node module:
+
+```js
+const semver = require('semver')
+
+semver.valid('1.2.3') // '1.2.3'
+semver.valid('a.b.c') // null
+semver.clean('  =v1.2.3   ') // '1.2.3'
+semver.satisfies('1.2.3', '1.x || >=2.5.0 || 5.0.0 - 7.2.3') // true
+semver.gt('1.2.3', '9.8.7') // false
+semver.lt('1.2.3', '9.8.7') // true
+semver.minVersion('>=1.0.0') // '1.0.0'
+semver.valid(semver.coerce('v2')) // '2.0.0'
+semver.valid(semver.coerce('42.6.7.9.3-alpha')) // '42.6.7'
+```
+
+As a command-line utility:
+
+```
+$ semver -h
+
+A JavaScript implementation of the https://semver.org/ specification
+Copyright Isaac Z. Schlueter
+
+Usage: semver [options] <version> [<version> [...]]
+Prints valid versions sorted by SemVer precedence
+
+Options:
+-r --range <range>
+        Print versions that match the specified range.
+
+-i --increment [<level>]
+        Increment a version by the specified level.  Level can
+        be one of: major, minor, patch, premajor, preminor,
+        prepatch, or prerelease.  Default level is 'patch'.
+        Only one version may be specified.
+
+--preid <identifier>
+        Identifier to be used to prefix premajor, preminor,
+        prepatch or prerelease version increments.
+
+-l --loose
+        Interpret versions and ranges loosely
+
+-p --include-prerelease
+        Always include prerelease versions in range matching
+
+-c --coerce
+        Coerce a string into SemVer if possible
+        (does not imply --loose)
+
+Program exits successfully if any valid version satisfies
+all supplied ranges, and prints all satisfying versions.
+
+If no satisfying versions are found, then exits failure.
+
+Versions are printed in ascending order, so supplying
+multiple versions to the utility will just sort them.
+```
+
+## Versions
+
+A "version" is described by the `v2.0.0` specification found at
+<https://semver.org/>.
+
+A leading `"="` or `"v"` character is stripped off and ignored.
+
+## Ranges
+
+A `version range` is a set of `comparators` which specify versions
+that satisfy the range.
+
+A `comparator` is composed of an `operator` and a `version`.  The set
+of primitive `operators` is:
+
+* `<` Less than
+* `<=` Less than or equal to
+* `>` Greater than
+* `>=` Greater than or equal to
+* `=` Equal.  If no operator is specified, then equality is assumed,
+  so this operator is optional, but MAY be included.
+
+For example, the comparator `>=1.2.7` would match the versions
+`1.2.7`, `1.2.8`, `2.5.3`, and `1.3.9`, but not the versions `1.2.6`
+or `1.1.0`.
+
+Comparators can be joined by whitespace to form a `comparator set`,
+which is satisfied by the **intersection** of all of the comparators
+it includes.
+
+A range is composed of one or more comparator sets, joined by `||`.  A
+version matches a range if and only if every comparator in at least
+one of the `||`-separated comparator sets is satisfied by the version.
+
+For example, the range `>=1.2.7 <1.3.0` would match the versions
+`1.2.7`, `1.2.8`, and `1.2.99`, but not the versions `1.2.6`, `1.3.0`,
+or `1.1.0`.
+
+The range `1.2.7 || >=1.2.9 <2.0.0` would match the versions `1.2.7`,
+`1.2.9`, and `1.4.6`, but not the versions `1.2.8` or `2.0.0`.
+
+### Prerelease Tags
+
+If a version has a prerelease tag (for example, `1.2.3-alpha.3`) then
+it will only be allowed to satisfy comparator sets if at least one
+comparator with the same `[major, minor, patch]` tuple also has a
+prerelease tag.
+
+For example, the range `>1.2.3-alpha.3` would be allowed to match the
+version `1.2.3-alpha.7`, but it would *not* be satisfied by
+`3.4.5-alpha.9`, even though `3.4.5-alpha.9` is technically "greater
+than" `1.2.3-alpha.3` according to the SemVer sort rules.  The version
+range only accepts prerelease tags on the `1.2.3` version.  The
+version `3.4.5` *would* satisfy the range, because it does not have a
+prerelease flag, and `3.4.5` is greater than `1.2.3-alpha.7`.
+
+The purpose for this behavior is twofold.  First, prerelease versions
+frequently are updated very quickly, and contain many breaking changes
+that are (by the author's design) not yet fit for public consumption.
+Therefore, by default, they are excluded from range matching
+semantics.
+
+Second, a user who has opted into using a prerelease version has
+clearly indicated the intent to use *that specific* set of
+alpha/beta/rc versions.  By including a prerelease tag in the range,
+the user is indicating that they are aware of the risk.  However, it
+is still not appropriate to assume that they have opted into taking a
+similar risk on the *next* set of prerelease versions.
+
+Note that this behavior can be suppressed (treating all prerelease
+versions as if they were normal versions, for the purpose of range
+matching) by setting the `includePrerelease` flag on the options
+object to any
+[functions](https://github.com/npm/node-semver#functions) that do
+range matching.
+
+#### Prerelease Identifiers
+
+The method `.inc` takes an additional `identifier` string argument that
+will append the value of the string as a prerelease identifier:
+
+```javascript
+semver.inc('1.2.3', 'prerelease', 'beta')
+// '1.2.4-beta.0'
+```
+
+command-line example:
+
+```bash
+$ semver 1.2.3 -i prerelease --preid beta
+1.2.4-beta.0
+```
+
+Which then can be used to increment further:
+
+```bash
+$ semver 1.2.4-beta.0 -i prerelease
+1.2.4-beta.1
+```
+
+### Advanced Range Syntax
+
+Advanced range syntax desugars to primitive comparators in
+deterministic ways.
+
+Advanced ranges may be combined in the same way as primitive
+comparators using white space or `||`.
+
+#### Hyphen Ranges `X.Y.Z - A.B.C`
+
+Specifies an inclusive set.
+
+* `1.2.3 - 2.3.4` := `>=1.2.3 <=2.3.4`
+
+If a partial version is provided as the first version in the inclusive
+range, then the missing pieces are replaced with zeroes.
+
+* `1.2 - 2.3.4` := `>=1.2.0 <=2.3.4`
+
+If a partial version is provided as the second version in the
+inclusive range, then all versions that start with the supplied parts
+of the tuple are accepted, but nothing that would be greater than the
+provided tuple parts.
+
+* `1.2.3 - 2.3` := `>=1.2.3 <2.4.0`
+* `1.2.3 - 2` := `>=1.2.3 <3.0.0`
+
+#### X-Ranges `1.2.x` `1.X` `1.2.*` `*`
+
+Any of `X`, `x`, or `*` may be used to "stand in" for one of the
+numeric values in the `[major, minor, patch]` tuple.
+
+* `*` := `>=0.0.0` (Any version satisfies)
+* `1.x` := `>=1.0.0 <2.0.0` (Matching major version)
+* `1.2.x` := `>=1.2.0 <1.3.0` (Matching major and minor versions)
+
+A partial version range is treated as an X-Range, so the special
+character is in fact optional.
+
+* `""` (empty string) := `*` := `>=0.0.0`
+* `1` := `1.x.x` := `>=1.0.0 <2.0.0`
+* `1.2` := `1.2.x` := `>=1.2.0 <1.3.0`
+
+#### Tilde Ranges `~1.2.3` `~1.2` `~1`
+
+Allows patch-level changes if a minor version is specified on the
+comparator.  Allows minor-level changes if not.
+
+* `~1.2.3` := `>=1.2.3 <1.(2+1).0` := `>=1.2.3 <1.3.0`
+* `~1.2` := `>=1.2.0 <1.(2+1).0` := `>=1.2.0 <1.3.0` (Same as `1.2.x`)
+* `~1` := `>=1.0.0 <(1+1).0.0` := `>=1.0.0 <2.0.0` (Same as `1.x`)
+* `~0.2.3` := `>=0.2.3 <0.(2+1).0` := `>=0.2.3 <0.3.0`
+* `~0.2` := `>=0.2.0 <0.(2+1).0` := `>=0.2.0 <0.3.0` (Same as `0.2.x`)
+* `~0` := `>=0.0.0 <(0+1).0.0` := `>=0.0.0 <1.0.0` (Same as `0.x`)
+* `~1.2.3-beta.2` := `>=1.2.3-beta.2 <1.3.0` Note that prereleases in
+  the `1.2.3` version will be allowed, if they are greater than or
+  equal to `beta.2`.  So, `1.2.3-beta.4` would be allowed, but
+  `1.2.4-beta.2` would not, because it is a prerelease of a
+  different `[major, minor, patch]` tuple.
+
+#### Caret Ranges `^1.2.3` `^0.2.5` `^0.0.4`
+
+Allows changes that do not modify the left-most non-zero digit in the
+`[major, minor, patch]` tuple.  In other words, this allows patch and
+minor updates for versions `1.0.0` and above, patch updates for
+versions `0.X >=0.1.0`, and *no* updates for versions `0.0.X`.
+
+Many authors treat a `0.x` version as if the `x` were the major
+"breaking-change" indicator.
+
+Caret ranges are ideal when an author may make breaking changes
+between `0.2.4` and `0.3.0` releases, which is a common practice.
+However, it presumes that there will *not* be breaking changes between
+`0.2.4` and `0.2.5`.  It allows for changes that are presumed to be
+additive (but non-breaking), according to commonly observed practices.
+
+* `^1.2.3` := `>=1.2.3 <2.0.0`
+* `^0.2.3` := `>=0.2.3 <0.3.0`
+* `^0.0.3` := `>=0.0.3 <0.0.4`
+* `^1.2.3-beta.2` := `>=1.2.3-beta.2 <2.0.0` Note that prereleases in
+  the `1.2.3` version will be allowed, if they are greater than or
+  equal to `beta.2`.  So, `1.2.3-beta.4` would be allowed, but
+  `1.2.4-beta.2` would not, because it is a prerelease of a
+  different `[major, minor, patch]` tuple.
+* `^0.0.3-beta` := `>=0.0.3-beta <0.0.4`  Note that prereleases in the
+  `0.0.3` version *only* will be allowed, if they are greater than or
+  equal to `beta`.  So, `0.0.3-pr.2` would be allowed.
+
+When parsing caret ranges, a missing `patch` value desugars to the
+number `0`, but will allow flexibility within that value, even if the
+major and minor versions are both `0`.
+
+* `^1.2.x` := `>=1.2.0 <2.0.0`
+* `^0.0.x` := `>=0.0.0 <0.1.0`
+* `^0.0` := `>=0.0.0 <0.1.0`
+
+A missing `minor` and `patch` values will desugar to zero, but also
+allow flexibility within those values, even if the major version is
+zero.
+
+* `^1.x` := `>=1.0.0 <2.0.0`
+* `^0.x` := `>=0.0.0 <1.0.0`
+
+### Range Grammar
+
+Putting all this together, here is a Backus-Naur grammar for ranges,
+for the benefit of parser authors:
+
+```bnf
+range-set  ::= range ( logical-or range ) *
+logical-or ::= ( ' ' ) * '||' ( ' ' ) *
+range      ::= hyphen | simple ( ' ' simple ) * | ''
+hyphen     ::= partial ' - ' partial
+simple     ::= primitive | partial | tilde | caret
+primitive  ::= ( '<' | '>' | '>=' | '<=' | '=' ) partial
+partial    ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
+xr         ::= 'x' | 'X' | '*' | nr
+nr         ::= '0' | ['1'-'9'] ( ['0'-'9'] ) *
+tilde      ::= '~' partial
+caret      ::= '^' partial
+qualifier  ::= ( '-' pre )? ( '+' build )?
+pre        ::= parts
+build      ::= parts
+parts      ::= part ( '.' part ) *
+part       ::= nr | [-0-9A-Za-z]+
+```
+
+## Functions
+
+All methods and classes take a final `options` object argument.  All
+options in this object are `false` by default.  The options supported
+are:
+
+- `loose`  Be more forgiving about not-quite-valid semver strings.
+  (Any resulting output will always be 100% strict compliant, of
+  course.)  For backwards compatibility reasons, if the `options`
+  argument is a boolean value instead of an object, it is interpreted
+  to be the `loose` param.
+- `includePrerelease`  Set to suppress the [default
+  behavior](https://github.com/npm/node-semver#prerelease-tags) of
+  excluding prerelease tagged versions from ranges unless they are
+  explicitly opted into.
+
+Strict-mode Comparators and Ranges will be strict about the SemVer
+strings that they parse.
+
+* `valid(v)`: Return the parsed version, or null if it's not valid.
+* `inc(v, release)`: Return the version incremented by the release
+  type (`major`,   `premajor`, `minor`, `preminor`, `patch`,
+  `prepatch`, or `prerelease`), or null if it's not valid
+  * `premajor` in one call will bump the version up to the next major
+    version and down to a prerelease of that major version.
+    `preminor`, and `prepatch` work the same way.
+  * If called from a non-prerelease version, the `prerelease` will work the
+    same as `prepatch`. It increments the patch version, then makes a
+    prerelease. If the input version is already a prerelease it simply
+    increments it.
+* `prerelease(v)`: Returns an array of prerelease components, or null
+  if none exist. Example: `prerelease('1.2.3-alpha.1') -> ['alpha', 1]`
+* `major(v)`: Return the major version number.
+* `minor(v)`: Return the minor version number.
+* `patch(v)`: Return the patch version number.
+* `intersects(r1, r2, loose)`: Return true if the two supplied ranges
+  or comparators intersect.
+* `parse(v)`: Attempt to parse a string as a semantic version, returning either
+  a `SemVer` object or `null`.
+
+### Comparison
+
+* `gt(v1, v2)`: `v1 > v2`
+* `gte(v1, v2)`: `v1 >= v2`
+* `lt(v1, v2)`: `v1 < v2`
+* `lte(v1, v2)`: `v1 <= v2`
+* `eq(v1, v2)`: `v1 == v2` This is true if they're logically equivalent,
+  even if they're not the exact same string.  You already know how to
+  compare strings.
+* `neq(v1, v2)`: `v1 != v2` The opposite of `eq`.
+* `cmp(v1, comparator, v2)`: Pass in a comparison string, and it'll call
+  the corresponding function above.  `"==="` and `"!=="` do simple
+  string comparison, but are included for completeness.  Throws if an
+  invalid comparison string is provided.
+* `compare(v1, v2)`: Return `0` if `v1 == v2`, or `1` if `v1` is greater, or `-1` if
+  `v2` is greater.  Sorts in ascending order if passed to `Array.sort()`.
+* `rcompare(v1, v2)`: The reverse of compare.  Sorts an array of versions
+  in descending order when passed to `Array.sort()`.
+* `diff(v1, v2)`: Returns difference between two versions by the release type
+  (`major`, `premajor`, `minor`, `preminor`, `patch`, `prepatch`, or `prerelease`),
+  or null if the versions are the same.
+
+### Comparators
+
+* `intersects(comparator)`: Return true if the comparators intersect
+
+### Ranges
+
+* `validRange(range)`: Return the valid range or null if it's not valid
+* `satisfies(version, range)`: Return true if the version satisfies the
+  range.
+* `maxSatisfying(versions, range)`: Return the highest version in the list
+  that satisfies the range, or `null` if none of them do.
+* `minSatisfying(versions, range)`: Return the lowest version in the list
+  that satisfies the range, or `null` if none of them do.
+* `minVersion(range)`: Return the lowest version that can possibly match
+  the given range.
+* `gtr(version, range)`: Return `true` if version is greater than all the
+  versions possible in the range.
+* `ltr(version, range)`: Return `true` if version is less than all the
+  versions possible in the range.
+* `outside(version, range, hilo)`: Return true if the version is outside
+  the bounds of the range in either the high or low direction.  The
+  `hilo` argument must be either the string `'>'` or `'<'`.  (This is
+  the function called by `gtr` and `ltr`.)
+* `intersects(range)`: Return true if any of the ranges comparators intersect
+
+Note that, since ranges may be non-contiguous, a version might not be
+greater than a range, less than a range, *or* satisfy a range!  For
+example, the range `1.2 <1.2.9 || >2.0.0` would have a hole from `1.2.9`
+until `2.0.0`, so the version `1.2.10` would not be greater than the
+range (because `2.0.1` satisfies, which is higher), nor less than the
+range (since `1.2.8` satisfies, which is lower), and it also does not
+satisfy the range.
+
+If you want to know if a version satisfies or does not satisfy a
+range, use the `satisfies(version, range)` function.
+
+### Coercion
+
+* `coerce(version)`: Coerces a string to semver if possible
+
+This aims to provide a very forgiving translation of a non-semver string to
+semver. It looks for the first digit in a string, and consumes all
+remaining characters which satisfy at least a partial semver (e.g., `1`,
+`1.2`, `1.2.3`) up to the max permitted length (256 characters).  Longer
+versions are simply truncated (`4.6.3.9.2-alpha2` becomes `4.6.3`).  All
+surrounding text is simply ignored (`v3.4 replaces v3.3.1` becomes
+`3.4.0`).  Only text which lacks digits will fail coercion (`version one`
+is not valid).  The maximum  length for any semver component considered for
+coercion is 16 characters; longer components will be ignored
+(`10000000000000000.4.7.4` becomes `4.7.4`).  The maximum value for any
+semver component is `Number.MAX_SAFE_INTEGER || (2**53 - 1)`; higher value
+components are invalid (`9999999999999999.4.7.4` is likely invalid).
diff --git a/node_modules/semver/bin/semver b/node_modules/semver/bin/semver
new file mode 100644
index 00000000..801e77f1
--- /dev/null
+++ b/node_modules/semver/bin/semver
@@ -0,0 +1,160 @@
+#!/usr/bin/env node
+// Standalone semver comparison program.
+// Exits successfully and prints matching version(s) if
+// any supplied version is valid and passes all tests.
+
+var argv = process.argv.slice(2)
+
+var versions = []
+
+var range = []
+
+var inc = null
+
+var version = require('../package.json').version
+
+var loose = false
+
+var includePrerelease = false
+
+var coerce = false
+
+var identifier
+
+var semver = require('../semver')
+
+var reverse = false
+
+var options = {}
+
+main()
+
+function main () {
+  if (!argv.length) return help()
+  while (argv.length) {
+    var a = argv.shift()
+    var indexOfEqualSign = a.indexOf('=')
+    if (indexOfEqualSign !== -1) {
+      a = a.slice(0, indexOfEqualSign)
+      argv.unshift(a.slice(indexOfEqualSign + 1))
+    }
+    switch (a) {
+      case '-rv': case '-rev': case '--rev': case '--reverse':
+        reverse = true
+        break
+      case '-l': case '--loose':
+        loose = true
+        break
+      case '-p': case '--include-prerelease':
+        includePrerelease = true
+        break
+      case '-v': case '--version':
+        versions.push(argv.shift())
+        break
+      case '-i': case '--inc': case '--increment':
+        switch (argv[0]) {
+          case 'major': case 'minor': case 'patch': case 'prerelease':
+          case 'premajor': case 'preminor': case 'prepatch':
+            inc = argv.shift()
+            break
+          default:
+            inc = 'patch'
+            break
+        }
+        break
+      case '--preid':
+        identifier = argv.shift()
+        break
+      case '-r': case '--range':
+        range.push(argv.shift())
+        break
+      case '-c': case '--coerce':
+        coerce = true
+        break
+      case '-h': case '--help': case '-?':
+        return help()
+      default:
+        versions.push(a)
+        break
+    }
+  }
+
+  var options = { loose: loose, includePrerelease: includePrerelease }
+
+  versions = versions.map(function (v) {
+    return coerce ? (semver.coerce(v) || { version: v }).version : v
+  }).filter(function (v) {
+    return semver.valid(v)
+  })
+  if (!versions.length) return fail()
+  if (inc && (versions.length !== 1 || range.length)) { return failInc() }
+
+  for (var i = 0, l = range.length; i < l; i++) {
+    versions = versions.filter(function (v) {
+      return semver.satisfies(v, range[i], options)
+    })
+    if (!versions.length) return fail()
+  }
+  return success(versions)
+}
+
+function failInc () {
+  console.error('--inc can only be used on a single version with no range')
+  fail()
+}
+
+function fail () { process.exit(1) }
+
+function success () {
+  var compare = reverse ? 'rcompare' : 'compare'
+  versions.sort(function (a, b) {
+    return semver[compare](a, b, options)
+  }).map(function (v) {
+    return semver.clean(v, options)
+  }).map(function (v) {
+    return inc ? semver.inc(v, inc, options, identifier) : v
+  }).forEach(function (v, i, _) { console.log(v) })
+}
+
+function help () {
+  console.log(['SemVer ' + version,
+    '',
+    'A JavaScript implementation of the https://semver.org/ specification',
+    'Copyright Isaac Z. Schlueter',
+    '',
+    'Usage: semver [options] <version> [<version> [...]]',
+    'Prints valid versions sorted by SemVer precedence',
+    '',
+    'Options:',
+    '-r --range <range>',
+    '        Print versions that match the specified range.',
+    '',
+    '-i --increment [<level>]',
+    '        Increment a version by the specified level.  Level can',
+    '        be one of: major, minor, patch, premajor, preminor,',
+    "        prepatch, or prerelease.  Default level is 'patch'.",
+    '        Only one version may be specified.',
+    '',
+    '--preid <identifier>',
+    '        Identifier to be used to prefix premajor, preminor,',
+    '        prepatch or prerelease version increments.',
+    '',
+    '-l --loose',
+    '        Interpret versions and ranges loosely',
+    '',
+    '-p --include-prerelease',
+    '        Always include prerelease versions in range matching',
+    '',
+    '-c --coerce',
+    '        Coerce a string into SemVer if possible',
+    '        (does not imply --loose)',
+    '',
+    'Program exits successfully if any valid version satisfies',
+    'all supplied ranges, and prints all satisfying versions.',
+    '',
+    'If no satisfying versions are found, then exits failure.',
+    '',
+    'Versions are printed in ascending order, so supplying',
+    'multiple versions to the utility will just sort them.'
+  ].join('\n'))
+}
diff --git a/node_modules/semver/package.json b/node_modules/semver/package.json
new file mode 100644
index 00000000..db035e97
--- /dev/null
+++ b/node_modules/semver/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "semver",
+  "version": "5.7.2",
+  "description": "The semantic version parser used by npm.",
+  "main": "semver.js",
+  "scripts": {
+    "test": "tap test/ --100 --timeout=30",
+    "lint": "echo linting disabled",
+    "postlint": "template-oss-check",
+    "template-oss-apply": "template-oss-apply --force",
+    "lintfix": "npm run lint -- --fix",
+    "snap": "tap test/ --100 --timeout=30",
+    "posttest": "npm run lint"
+  },
+  "devDependencies": {
+    "@npmcli/template-oss": "4.17.0",
+    "tap": "^12.7.0"
+  },
+  "license": "ISC",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/node-semver.git"
+  },
+  "bin": {
+    "semver": "./bin/semver"
+  },
+  "files": [
+    "bin",
+    "range.bnf",
+    "semver.js"
+  ],
+  "author": "GitHub Inc.",
+  "templateOSS": {
+    "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
+    "content": "./scripts/template-oss",
+    "version": "4.17.0"
+  }
+}
diff --git a/node_modules/semver/range.bnf b/node_modules/semver/range.bnf
new file mode 100644
index 00000000..d4c6ae0d
--- /dev/null
+++ b/node_modules/semver/range.bnf
@@ -0,0 +1,16 @@
+range-set  ::= range ( logical-or range ) *
+logical-or ::= ( ' ' ) * '||' ( ' ' ) *
+range      ::= hyphen | simple ( ' ' simple ) * | ''
+hyphen     ::= partial ' - ' partial
+simple     ::= primitive | partial | tilde | caret
+primitive  ::= ( '<' | '>' | '>=' | '<=' | '=' ) partial
+partial    ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
+xr         ::= 'x' | 'X' | '*' | nr
+nr         ::= '0' | [1-9] ( [0-9] ) *
+tilde      ::= '~' partial
+caret      ::= '^' partial
+qualifier  ::= ( '-' pre )? ( '+' build )?
+pre        ::= parts
+build      ::= parts
+parts      ::= part ( '.' part ) *
+part       ::= nr | [-0-9A-Za-z]+
diff --git a/node_modules/semver/semver.js b/node_modules/semver/semver.js
new file mode 100644
index 00000000..dcb68334
--- /dev/null
+++ b/node_modules/semver/semver.js
@@ -0,0 +1,1525 @@
+exports = module.exports = SemVer
+
+var debug
+/* istanbul ignore next */
+if (typeof process === 'object' &&
+    process.env &&
+    process.env.NODE_DEBUG &&
+    /\bsemver\b/i.test(process.env.NODE_DEBUG)) {
+  debug = function () {
+    var args = Array.prototype.slice.call(arguments, 0)
+    args.unshift('SEMVER')
+    console.log.apply(console, args)
+  }
+} else {
+  debug = function () {}
+}
+
+// Note: this is the semver.org version of the spec that it implements
+// Not necessarily the package version of this code.
+exports.SEMVER_SPEC_VERSION = '2.0.0'
+
+var MAX_LENGTH = 256
+var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER ||
+  /* istanbul ignore next */ 9007199254740991
+
+// Max safe segment length for coercion.
+var MAX_SAFE_COMPONENT_LENGTH = 16
+
+var MAX_SAFE_BUILD_LENGTH = MAX_LENGTH - 6
+
+// The actual regexps go on exports.re
+var re = exports.re = []
+var safeRe = exports.safeRe = []
+var src = exports.src = []
+var R = 0
+
+var LETTERDASHNUMBER = '[a-zA-Z0-9-]'
+
+// Replace some greedy regex tokens to prevent regex dos issues. These regex are
+// used internally via the safeRe object since all inputs in this library get
+// normalized first to trim and collapse all extra whitespace. The original
+// regexes are exported for userland consumption and lower level usage. A
+// future breaking change could export the safer regex only with a note that
+// all input should have extra whitespace removed.
+var safeRegexReplacements = [
+  ['\\s', 1],
+  ['\\d', MAX_LENGTH],
+  [LETTERDASHNUMBER, MAX_SAFE_BUILD_LENGTH],
+]
+
+function makeSafeRe (value) {
+  for (var i = 0; i < safeRegexReplacements.length; i++) {
+    var token = safeRegexReplacements[i][0]
+    var max = safeRegexReplacements[i][1]
+    value = value
+      .split(token + '*').join(token + '{0,' + max + '}')
+      .split(token + '+').join(token + '{1,' + max + '}')
+  }
+  return value
+}
+
+// The following Regular Expressions can be used for tokenizing,
+// validating, and parsing SemVer version strings.
+
+// ## Numeric Identifier
+// A single `0`, or a non-zero digit followed by zero or more digits.
+
+var NUMERICIDENTIFIER = R++
+src[NUMERICIDENTIFIER] = '0|[1-9]\\d*'
+var NUMERICIDENTIFIERLOOSE = R++
+src[NUMERICIDENTIFIERLOOSE] = '\\d+'
+
+// ## Non-numeric Identifier
+// Zero or more digits, followed by a letter or hyphen, and then zero or
+// more letters, digits, or hyphens.
+
+var NONNUMERICIDENTIFIER = R++
+src[NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-]' + LETTERDASHNUMBER + '*'
+
+// ## Main Version
+// Three dot-separated numeric identifiers.
+
+var MAINVERSION = R++
+src[MAINVERSION] = '(' + src[NUMERICIDENTIFIER] + ')\\.' +
+                   '(' + src[NUMERICIDENTIFIER] + ')\\.' +
+                   '(' + src[NUMERICIDENTIFIER] + ')'
+
+var MAINVERSIONLOOSE = R++
+src[MAINVERSIONLOOSE] = '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
+                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
+                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')'
+
+// ## Pre-release Version Identifier
+// A numeric identifier, or a non-numeric identifier.
+
+var PRERELEASEIDENTIFIER = R++
+src[PRERELEASEIDENTIFIER] = '(?:' + src[NUMERICIDENTIFIER] +
+                            '|' + src[NONNUMERICIDENTIFIER] + ')'
+
+var PRERELEASEIDENTIFIERLOOSE = R++
+src[PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[NUMERICIDENTIFIERLOOSE] +
+                                 '|' + src[NONNUMERICIDENTIFIER] + ')'
+
+// ## Pre-release Version
+// Hyphen, followed by one or more dot-separated pre-release version
+// identifiers.
+
+var PRERELEASE = R++
+src[PRERELEASE] = '(?:-(' + src[PRERELEASEIDENTIFIER] +
+                  '(?:\\.' + src[PRERELEASEIDENTIFIER] + ')*))'
+
+var PRERELEASELOOSE = R++
+src[PRERELEASELOOSE] = '(?:-?(' + src[PRERELEASEIDENTIFIERLOOSE] +
+                       '(?:\\.' + src[PRERELEASEIDENTIFIERLOOSE] + ')*))'
+
+// ## Build Metadata Identifier
+// Any combination of digits, letters, or hyphens.
+
+var BUILDIDENTIFIER = R++
+src[BUILDIDENTIFIER] = LETTERDASHNUMBER + '+'
+
+// ## Build Metadata
+// Plus sign, followed by one or more period-separated build metadata
+// identifiers.
+
+var BUILD = R++
+src[BUILD] = '(?:\\+(' + src[BUILDIDENTIFIER] +
+             '(?:\\.' + src[BUILDIDENTIFIER] + ')*))'
+
+// ## Full Version String
+// A main version, followed optionally by a pre-release version and
+// build metadata.
+
+// Note that the only major, minor, patch, and pre-release sections of
+// the version string are capturing groups.  The build metadata is not a
+// capturing group, because it should not ever be used in version
+// comparison.
+
+var FULL = R++
+var FULLPLAIN = 'v?' + src[MAINVERSION] +
+                src[PRERELEASE] + '?' +
+                src[BUILD] + '?'
+
+src[FULL] = '^' + FULLPLAIN + '$'
+
+// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
+// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
+// common in the npm registry.
+var LOOSEPLAIN = '[v=\\s]*' + src[MAINVERSIONLOOSE] +
+                 src[PRERELEASELOOSE] + '?' +
+                 src[BUILD] + '?'
+
+var LOOSE = R++
+src[LOOSE] = '^' + LOOSEPLAIN + '$'
+
+var GTLT = R++
+src[GTLT] = '((?:<|>)?=?)'
+
+// Something like "2.*" or "1.2.x".
+// Note that "x.x" is a valid xRange identifer, meaning "any version"
+// Only the first item is strictly required.
+var XRANGEIDENTIFIERLOOSE = R++
+src[XRANGEIDENTIFIERLOOSE] = src[NUMERICIDENTIFIERLOOSE] + '|x|X|\\*'
+var XRANGEIDENTIFIER = R++
+src[XRANGEIDENTIFIER] = src[NUMERICIDENTIFIER] + '|x|X|\\*'
+
+var XRANGEPLAIN = R++
+src[XRANGEPLAIN] = '[v=\\s]*(' + src[XRANGEIDENTIFIER] + ')' +
+                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
+                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
+                   '(?:' + src[PRERELEASE] + ')?' +
+                   src[BUILD] + '?' +
+                   ')?)?'
+
+var XRANGEPLAINLOOSE = R++
+src[XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
+                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
+                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
+                        '(?:' + src[PRERELEASELOOSE] + ')?' +
+                        src[BUILD] + '?' +
+                        ')?)?'
+
+var XRANGE = R++
+src[XRANGE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAIN] + '$'
+var XRANGELOOSE = R++
+src[XRANGELOOSE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAINLOOSE] + '$'
+
+// Coercion.
+// Extract anything that could conceivably be a part of a valid semver
+var COERCE = R++
+src[COERCE] = '(?:^|[^\\d])' +
+              '(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
+              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
+              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
+              '(?:$|[^\\d])'
+
+// Tilde ranges.
+// Meaning is "reasonably at or greater than"
+var LONETILDE = R++
+src[LONETILDE] = '(?:~>?)'
+
+var TILDETRIM = R++
+src[TILDETRIM] = '(\\s*)' + src[LONETILDE] + '\\s+'
+re[TILDETRIM] = new RegExp(src[TILDETRIM], 'g')
+safeRe[TILDETRIM] = new RegExp(makeSafeRe(src[TILDETRIM]), 'g')
+var tildeTrimReplace = '$1~'
+
+var TILDE = R++
+src[TILDE] = '^' + src[LONETILDE] + src[XRANGEPLAIN] + '$'
+var TILDELOOSE = R++
+src[TILDELOOSE] = '^' + src[LONETILDE] + src[XRANGEPLAINLOOSE] + '$'
+
+// Caret ranges.
+// Meaning is "at least and backwards compatible with"
+var LONECARET = R++
+src[LONECARET] = '(?:\\^)'
+
+var CARETTRIM = R++
+src[CARETTRIM] = '(\\s*)' + src[LONECARET] + '\\s+'
+re[CARETTRIM] = new RegExp(src[CARETTRIM], 'g')
+safeRe[CARETTRIM] = new RegExp(makeSafeRe(src[CARETTRIM]), 'g')
+var caretTrimReplace = '$1^'
+
+var CARET = R++
+src[CARET] = '^' + src[LONECARET] + src[XRANGEPLAIN] + '$'
+var CARETLOOSE = R++
+src[CARETLOOSE] = '^' + src[LONECARET] + src[XRANGEPLAINLOOSE] + '$'
+
+// A simple gt/lt/eq thing, or just "" to indicate "any version"
+var COMPARATORLOOSE = R++
+src[COMPARATORLOOSE] = '^' + src[GTLT] + '\\s*(' + LOOSEPLAIN + ')$|^$'
+var COMPARATOR = R++
+src[COMPARATOR] = '^' + src[GTLT] + '\\s*(' + FULLPLAIN + ')$|^$'
+
+// An expression to strip any whitespace between the gtlt and the thing
+// it modifies, so that `> 1.2.3` ==> `>1.2.3`
+var COMPARATORTRIM = R++
+src[COMPARATORTRIM] = '(\\s*)' + src[GTLT] +
+                      '\\s*(' + LOOSEPLAIN + '|' + src[XRANGEPLAIN] + ')'
+
+// this one has to use the /g flag
+re[COMPARATORTRIM] = new RegExp(src[COMPARATORTRIM], 'g')
+safeRe[COMPARATORTRIM] = new RegExp(makeSafeRe(src[COMPARATORTRIM]), 'g')
+var comparatorTrimReplace = '$1$2$3'
+
+// Something like `1.2.3 - 1.2.4`
+// Note that these all use the loose form, because they'll be
+// checked against either the strict or loose comparator form
+// later.
+var HYPHENRANGE = R++
+src[HYPHENRANGE] = '^\\s*(' + src[XRANGEPLAIN] + ')' +
+                   '\\s+-\\s+' +
+                   '(' + src[XRANGEPLAIN] + ')' +
+                   '\\s*$'
+
+var HYPHENRANGELOOSE = R++
+src[HYPHENRANGELOOSE] = '^\\s*(' + src[XRANGEPLAINLOOSE] + ')' +
+                        '\\s+-\\s+' +
+                        '(' + src[XRANGEPLAINLOOSE] + ')' +
+                        '\\s*$'
+
+// Star ranges basically just allow anything at all.
+var STAR = R++
+src[STAR] = '(<|>)?=?\\s*\\*'
+
+// Compile to actual regexp objects.
+// All are flag-free, unless they were created above with a flag.
+for (var i = 0; i < R; i++) {
+  debug(i, src[i])
+  if (!re[i]) {
+    re[i] = new RegExp(src[i])
+
+    // Replace all greedy whitespace to prevent regex dos issues. These regex are
+    // used internally via the safeRe object since all inputs in this library get
+    // normalized first to trim and collapse all extra whitespace. The original
+    // regexes are exported for userland consumption and lower level usage. A
+    // future breaking change could export the safer regex only with a note that
+    // all input should have extra whitespace removed.
+    safeRe[i] = new RegExp(makeSafeRe(src[i]))
+  }
+}
+
+exports.parse = parse
+function parse (version, options) {
+  if (!options || typeof options !== 'object') {
+    options = {
+      loose: !!options,
+      includePrerelease: false
+    }
+  }
+
+  if (version instanceof SemVer) {
+    return version
+  }
+
+  if (typeof version !== 'string') {
+    return null
+  }
+
+  if (version.length > MAX_LENGTH) {
+    return null
+  }
+
+  var r = options.loose ? safeRe[LOOSE] : safeRe[FULL]
+  if (!r.test(version)) {
+    return null
+  }
+
+  try {
+    return new SemVer(version, options)
+  } catch (er) {
+    return null
+  }
+}
+
+exports.valid = valid
+function valid (version, options) {
+  var v = parse(version, options)
+  return v ? v.version : null
+}
+
+exports.clean = clean
+function clean (version, options) {
+  var s = parse(version.trim().replace(/^[=v]+/, ''), options)
+  return s ? s.version : null
+}
+
+exports.SemVer = SemVer
+
+function SemVer (version, options) {
+  if (!options || typeof options !== 'object') {
+    options = {
+      loose: !!options,
+      includePrerelease: false
+    }
+  }
+  if (version instanceof SemVer) {
+    if (version.loose === options.loose) {
+      return version
+    } else {
+      version = version.version
+    }
+  } else if (typeof version !== 'string') {
+    throw new TypeError('Invalid Version: ' + version)
+  }
+
+  if (version.length > MAX_LENGTH) {
+    throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters')
+  }
+
+  if (!(this instanceof SemVer)) {
+    return new SemVer(version, options)
+  }
+
+  debug('SemVer', version, options)
+  this.options = options
+  this.loose = !!options.loose
+
+  var m = version.trim().match(options.loose ? safeRe[LOOSE] : safeRe[FULL])
+
+  if (!m) {
+    throw new TypeError('Invalid Version: ' + version)
+  }
+
+  this.raw = version
+
+  // these are actually numbers
+  this.major = +m[1]
+  this.minor = +m[2]
+  this.patch = +m[3]
+
+  if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
+    throw new TypeError('Invalid major version')
+  }
+
+  if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
+    throw new TypeError('Invalid minor version')
+  }
+
+  if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
+    throw new TypeError('Invalid patch version')
+  }
+
+  // numberify any prerelease numeric ids
+  if (!m[4]) {
+    this.prerelease = []
+  } else {
+    this.prerelease = m[4].split('.').map(function (id) {
+      if (/^[0-9]+$/.test(id)) {
+        var num = +id
+        if (num >= 0 && num < MAX_SAFE_INTEGER) {
+          return num
+        }
+      }
+      return id
+    })
+  }
+
+  this.build = m[5] ? m[5].split('.') : []
+  this.format()
+}
+
+SemVer.prototype.format = function () {
+  this.version = this.major + '.' + this.minor + '.' + this.patch
+  if (this.prerelease.length) {
+    this.version += '-' + this.prerelease.join('.')
+  }
+  return this.version
+}
+
+SemVer.prototype.toString = function () {
+  return this.version
+}
+
+SemVer.prototype.compare = function (other) {
+  debug('SemVer.compare', this.version, this.options, other)
+  if (!(other instanceof SemVer)) {
+    other = new SemVer(other, this.options)
+  }
+
+  return this.compareMain(other) || this.comparePre(other)
+}
+
+SemVer.prototype.compareMain = function (other) {
+  if (!(other instanceof SemVer)) {
+    other = new SemVer(other, this.options)
+  }
+
+  return compareIdentifiers(this.major, other.major) ||
+         compareIdentifiers(this.minor, other.minor) ||
+         compareIdentifiers(this.patch, other.patch)
+}
+
+SemVer.prototype.comparePre = function (other) {
+  if (!(other instanceof SemVer)) {
+    other = new SemVer(other, this.options)
+  }
+
+  // NOT having a prerelease is > having one
+  if (this.prerelease.length && !other.prerelease.length) {
+    return -1
+  } else if (!this.prerelease.length && other.prerelease.length) {
+    return 1
+  } else if (!this.prerelease.length && !other.prerelease.length) {
+    return 0
+  }
+
+  var i = 0
+  do {
+    var a = this.prerelease[i]
+    var b = other.prerelease[i]
+    debug('prerelease compare', i, a, b)
+    if (a === undefined && b === undefined) {
+      return 0
+    } else if (b === undefined) {
+      return 1
+    } else if (a === undefined) {
+      return -1
+    } else if (a === b) {
+      continue
+    } else {
+      return compareIdentifiers(a, b)
+    }
+  } while (++i)
+}
+
+// preminor will bump the version up to the next minor release, and immediately
+// down to pre-release. premajor and prepatch work the same way.
+SemVer.prototype.inc = function (release, identifier) {
+  switch (release) {
+    case 'premajor':
+      this.prerelease.length = 0
+      this.patch = 0
+      this.minor = 0
+      this.major++
+      this.inc('pre', identifier)
+      break
+    case 'preminor':
+      this.prerelease.length = 0
+      this.patch = 0
+      this.minor++
+      this.inc('pre', identifier)
+      break
+    case 'prepatch':
+      // If this is already a prerelease, it will bump to the next version
+      // drop any prereleases that might already exist, since they are not
+      // relevant at this point.
+      this.prerelease.length = 0
+      this.inc('patch', identifier)
+      this.inc('pre', identifier)
+      break
+    // If the input is a non-prerelease version, this acts the same as
+    // prepatch.
+    case 'prerelease':
+      if (this.prerelease.length === 0) {
+        this.inc('patch', identifier)
+      }
+      this.inc('pre', identifier)
+      break
+
+    case 'major':
+      // If this is a pre-major version, bump up to the same major version.
+      // Otherwise increment major.
+      // 1.0.0-5 bumps to 1.0.0
+      // 1.1.0 bumps to 2.0.0
+      if (this.minor !== 0 ||
+          this.patch !== 0 ||
+          this.prerelease.length === 0) {
+        this.major++
+      }
+      this.minor = 0
+      this.patch = 0
+      this.prerelease = []
+      break
+    case 'minor':
+      // If this is a pre-minor version, bump up to the same minor version.
+      // Otherwise increment minor.
+      // 1.2.0-5 bumps to 1.2.0
+      // 1.2.1 bumps to 1.3.0
+      if (this.patch !== 0 || this.prerelease.length === 0) {
+        this.minor++
+      }
+      this.patch = 0
+      this.prerelease = []
+      break
+    case 'patch':
+      // If this is not a pre-release version, it will increment the patch.
+      // If it is a pre-release it will bump up to the same patch version.
+      // 1.2.0-5 patches to 1.2.0
+      // 1.2.0 patches to 1.2.1
+      if (this.prerelease.length === 0) {
+        this.patch++
+      }
+      this.prerelease = []
+      break
+    // This probably shouldn't be used publicly.
+    // 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
+    case 'pre':
+      if (this.prerelease.length === 0) {
+        this.prerelease = [0]
+      } else {
+        var i = this.prerelease.length
+        while (--i >= 0) {
+          if (typeof this.prerelease[i] === 'number') {
+            this.prerelease[i]++
+            i = -2
+          }
+        }
+        if (i === -1) {
+          // didn't increment anything
+          this.prerelease.push(0)
+        }
+      }
+      if (identifier) {
+        // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
+        // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
+        if (this.prerelease[0] === identifier) {
+          if (isNaN(this.prerelease[1])) {
+            this.prerelease = [identifier, 0]
+          }
+        } else {
+          this.prerelease = [identifier, 0]
+        }
+      }
+      break
+
+    default:
+      throw new Error('invalid increment argument: ' + release)
+  }
+  this.format()
+  this.raw = this.version
+  return this
+}
+
+exports.inc = inc
+function inc (version, release, loose, identifier) {
+  if (typeof (loose) === 'string') {
+    identifier = loose
+    loose = undefined
+  }
+
+  try {
+    return new SemVer(version, loose).inc(release, identifier).version
+  } catch (er) {
+    return null
+  }
+}
+
+exports.diff = diff
+function diff (version1, version2) {
+  if (eq(version1, version2)) {
+    return null
+  } else {
+    var v1 = parse(version1)
+    var v2 = parse(version2)
+    var prefix = ''
+    if (v1.prerelease.length || v2.prerelease.length) {
+      prefix = 'pre'
+      var defaultResult = 'prerelease'
+    }
+    for (var key in v1) {
+      if (key === 'major' || key === 'minor' || key === 'patch') {
+        if (v1[key] !== v2[key]) {
+          return prefix + key
+        }
+      }
+    }
+    return defaultResult // may be undefined
+  }
+}
+
+exports.compareIdentifiers = compareIdentifiers
+
+var numeric = /^[0-9]+$/
+function compareIdentifiers (a, b) {
+  var anum = numeric.test(a)
+  var bnum = numeric.test(b)
+
+  if (anum && bnum) {
+    a = +a
+    b = +b
+  }
+
+  return a === b ? 0
+    : (anum && !bnum) ? -1
+    : (bnum && !anum) ? 1
+    : a < b ? -1
+    : 1
+}
+
+exports.rcompareIdentifiers = rcompareIdentifiers
+function rcompareIdentifiers (a, b) {
+  return compareIdentifiers(b, a)
+}
+
+exports.major = major
+function major (a, loose) {
+  return new SemVer(a, loose).major
+}
+
+exports.minor = minor
+function minor (a, loose) {
+  return new SemVer(a, loose).minor
+}
+
+exports.patch = patch
+function patch (a, loose) {
+  return new SemVer(a, loose).patch
+}
+
+exports.compare = compare
+function compare (a, b, loose) {
+  return new SemVer(a, loose).compare(new SemVer(b, loose))
+}
+
+exports.compareLoose = compareLoose
+function compareLoose (a, b) {
+  return compare(a, b, true)
+}
+
+exports.rcompare = rcompare
+function rcompare (a, b, loose) {
+  return compare(b, a, loose)
+}
+
+exports.sort = sort
+function sort (list, loose) {
+  return list.sort(function (a, b) {
+    return exports.compare(a, b, loose)
+  })
+}
+
+exports.rsort = rsort
+function rsort (list, loose) {
+  return list.sort(function (a, b) {
+    return exports.rcompare(a, b, loose)
+  })
+}
+
+exports.gt = gt
+function gt (a, b, loose) {
+  return compare(a, b, loose) > 0
+}
+
+exports.lt = lt
+function lt (a, b, loose) {
+  return compare(a, b, loose) < 0
+}
+
+exports.eq = eq
+function eq (a, b, loose) {
+  return compare(a, b, loose) === 0
+}
+
+exports.neq = neq
+function neq (a, b, loose) {
+  return compare(a, b, loose) !== 0
+}
+
+exports.gte = gte
+function gte (a, b, loose) {
+  return compare(a, b, loose) >= 0
+}
+
+exports.lte = lte
+function lte (a, b, loose) {
+  return compare(a, b, loose) <= 0
+}
+
+exports.cmp = cmp
+function cmp (a, op, b, loose) {
+  switch (op) {
+    case '===':
+      if (typeof a === 'object')
+        a = a.version
+      if (typeof b === 'object')
+        b = b.version
+      return a === b
+
+    case '!==':
+      if (typeof a === 'object')
+        a = a.version
+      if (typeof b === 'object')
+        b = b.version
+      return a !== b
+
+    case '':
+    case '=':
+    case '==':
+      return eq(a, b, loose)
+
+    case '!=':
+      return neq(a, b, loose)
+
+    case '>':
+      return gt(a, b, loose)
+
+    case '>=':
+      return gte(a, b, loose)
+
+    case '<':
+      return lt(a, b, loose)
+
+    case '<=':
+      return lte(a, b, loose)
+
+    default:
+      throw new TypeError('Invalid operator: ' + op)
+  }
+}
+
+exports.Comparator = Comparator
+function Comparator (comp, options) {
+  if (!options || typeof options !== 'object') {
+    options = {
+      loose: !!options,
+      includePrerelease: false
+    }
+  }
+
+  if (comp instanceof Comparator) {
+    if (comp.loose === !!options.loose) {
+      return comp
+    } else {
+      comp = comp.value
+    }
+  }
+
+  if (!(this instanceof Comparator)) {
+    return new Comparator(comp, options)
+  }
+
+  comp = comp.trim().split(/\s+/).join(' ')
+  debug('comparator', comp, options)
+  this.options = options
+  this.loose = !!options.loose
+  this.parse(comp)
+
+  if (this.semver === ANY) {
+    this.value = ''
+  } else {
+    this.value = this.operator + this.semver.version
+  }
+
+  debug('comp', this)
+}
+
+var ANY = {}
+Comparator.prototype.parse = function (comp) {
+  var r = this.options.loose ? safeRe[COMPARATORLOOSE] : safeRe[COMPARATOR]
+  var m = comp.match(r)
+
+  if (!m) {
+    throw new TypeError('Invalid comparator: ' + comp)
+  }
+
+  this.operator = m[1]
+  if (this.operator === '=') {
+    this.operator = ''
+  }
+
+  // if it literally is just '>' or '' then allow anything.
+  if (!m[2]) {
+    this.semver = ANY
+  } else {
+    this.semver = new SemVer(m[2], this.options.loose)
+  }
+}
+
+Comparator.prototype.toString = function () {
+  return this.value
+}
+
+Comparator.prototype.test = function (version) {
+  debug('Comparator.test', version, this.options.loose)
+
+  if (this.semver === ANY) {
+    return true
+  }
+
+  if (typeof version === 'string') {
+    version = new SemVer(version, this.options)
+  }
+
+  return cmp(version, this.operator, this.semver, this.options)
+}
+
+Comparator.prototype.intersects = function (comp, options) {
+  if (!(comp instanceof Comparator)) {
+    throw new TypeError('a Comparator is required')
+  }
+
+  if (!options || typeof options !== 'object') {
+    options = {
+      loose: !!options,
+      includePrerelease: false
+    }
+  }
+
+  var rangeTmp
+
+  if (this.operator === '') {
+    rangeTmp = new Range(comp.value, options)
+    return satisfies(this.value, rangeTmp, options)
+  } else if (comp.operator === '') {
+    rangeTmp = new Range(this.value, options)
+    return satisfies(comp.semver, rangeTmp, options)
+  }
+
+  var sameDirectionIncreasing =
+    (this.operator === '>=' || this.operator === '>') &&
+    (comp.operator === '>=' || comp.operator === '>')
+  var sameDirectionDecreasing =
+    (this.operator === '<=' || this.operator === '<') &&
+    (comp.operator === '<=' || comp.operator === '<')
+  var sameSemVer = this.semver.version === comp.semver.version
+  var differentDirectionsInclusive =
+    (this.operator === '>=' || this.operator === '<=') &&
+    (comp.operator === '>=' || comp.operator === '<=')
+  var oppositeDirectionsLessThan =
+    cmp(this.semver, '<', comp.semver, options) &&
+    ((this.operator === '>=' || this.operator === '>') &&
+    (comp.operator === '<=' || comp.operator === '<'))
+  var oppositeDirectionsGreaterThan =
+    cmp(this.semver, '>', comp.semver, options) &&
+    ((this.operator === '<=' || this.operator === '<') &&
+    (comp.operator === '>=' || comp.operator === '>'))
+
+  return sameDirectionIncreasing || sameDirectionDecreasing ||
+    (sameSemVer && differentDirectionsInclusive) ||
+    oppositeDirectionsLessThan || oppositeDirectionsGreaterThan
+}
+
+exports.Range = Range
+function Range (range, options) {
+  if (!options || typeof options !== 'object') {
+    options = {
+      loose: !!options,
+      includePrerelease: false
+    }
+  }
+
+  if (range instanceof Range) {
+    if (range.loose === !!options.loose &&
+        range.includePrerelease === !!options.includePrerelease) {
+      return range
+    } else {
+      return new Range(range.raw, options)
+    }
+  }
+
+  if (range instanceof Comparator) {
+    return new Range(range.value, options)
+  }
+
+  if (!(this instanceof Range)) {
+    return new Range(range, options)
+  }
+
+  this.options = options
+  this.loose = !!options.loose
+  this.includePrerelease = !!options.includePrerelease
+
+  // First reduce all whitespace as much as possible so we do not have to rely
+  // on potentially slow regexes like \s*. This is then stored and used for
+  // future error messages as well.
+  this.raw = range
+    .trim()
+    .split(/\s+/)
+    .join(' ')
+
+  // First, split based on boolean or ||
+  this.set = this.raw.split('||').map(function (range) {
+    return this.parseRange(range.trim())
+  }, this).filter(function (c) {
+    // throw out any that are not relevant for whatever reason
+    return c.length
+  })
+
+  if (!this.set.length) {
+    throw new TypeError('Invalid SemVer Range: ' + this.raw)
+  }
+
+  this.format()
+}
+
+Range.prototype.format = function () {
+  this.range = this.set.map(function (comps) {
+    return comps.join(' ').trim()
+  }).join('||').trim()
+  return this.range
+}
+
+Range.prototype.toString = function () {
+  return this.range
+}
+
+Range.prototype.parseRange = function (range) {
+  var loose = this.options.loose
+  // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
+  var hr = loose ? safeRe[HYPHENRANGELOOSE] : safeRe[HYPHENRANGE]
+  range = range.replace(hr, hyphenReplace)
+  debug('hyphen replace', range)
+  // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
+  range = range.replace(safeRe[COMPARATORTRIM], comparatorTrimReplace)
+  debug('comparator trim', range, safeRe[COMPARATORTRIM])
+
+  // `~ 1.2.3` => `~1.2.3`
+  range = range.replace(safeRe[TILDETRIM], tildeTrimReplace)
+
+  // `^ 1.2.3` => `^1.2.3`
+  range = range.replace(safeRe[CARETTRIM], caretTrimReplace)
+
+  // At this point, the range is completely trimmed and
+  // ready to be split into comparators.
+  var compRe = loose ? safeRe[COMPARATORLOOSE] : safeRe[COMPARATOR]
+  var set = range.split(' ').map(function (comp) {
+    return parseComparator(comp, this.options)
+  }, this).join(' ').split(/\s+/)
+  if (this.options.loose) {
+    // in loose mode, throw out any that are not valid comparators
+    set = set.filter(function (comp) {
+      return !!comp.match(compRe)
+    })
+  }
+  set = set.map(function (comp) {
+    return new Comparator(comp, this.options)
+  }, this)
+
+  return set
+}
+
+Range.prototype.intersects = function (range, options) {
+  if (!(range instanceof Range)) {
+    throw new TypeError('a Range is required')
+  }
+
+  return this.set.some(function (thisComparators) {
+    return thisComparators.every(function (thisComparator) {
+      return range.set.some(function (rangeComparators) {
+        return rangeComparators.every(function (rangeComparator) {
+          return thisComparator.intersects(rangeComparator, options)
+        })
+      })
+    })
+  })
+}
+
+// Mostly just for testing and legacy API reasons
+exports.toComparators = toComparators
+function toComparators (range, options) {
+  return new Range(range, options).set.map(function (comp) {
+    return comp.map(function (c) {
+      return c.value
+    }).join(' ').trim().split(' ')
+  })
+}
+
+// comprised of xranges, tildes, stars, and gtlt's at this point.
+// already replaced the hyphen ranges
+// turn into a set of JUST comparators.
+function parseComparator (comp, options) {
+  debug('comp', comp, options)
+  comp = replaceCarets(comp, options)
+  debug('caret', comp)
+  comp = replaceTildes(comp, options)
+  debug('tildes', comp)
+  comp = replaceXRanges(comp, options)
+  debug('xrange', comp)
+  comp = replaceStars(comp, options)
+  debug('stars', comp)
+  return comp
+}
+
+function isX (id) {
+  return !id || id.toLowerCase() === 'x' || id === '*'
+}
+
+// ~, ~> --> * (any, kinda silly)
+// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
+// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
+// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
+// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
+// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
+function replaceTildes (comp, options) {
+  return comp.trim().split(/\s+/).map(function (comp) {
+    return replaceTilde(comp, options)
+  }).join(' ')
+}
+
+function replaceTilde (comp, options) {
+  var r = options.loose ? safeRe[TILDELOOSE] : safeRe[TILDE]
+  return comp.replace(r, function (_, M, m, p, pr) {
+    debug('tilde', comp, _, M, m, p, pr)
+    var ret
+
+    if (isX(M)) {
+      ret = ''
+    } else if (isX(m)) {
+      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
+    } else if (isX(p)) {
+      // ~1.2 == >=1.2.0 <1.3.0
+      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
+    } else if (pr) {
+      debug('replaceTilde pr', pr)
+      ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
+            ' <' + M + '.' + (+m + 1) + '.0'
+    } else {
+      // ~1.2.3 == >=1.2.3 <1.3.0
+      ret = '>=' + M + '.' + m + '.' + p +
+            ' <' + M + '.' + (+m + 1) + '.0'
+    }
+
+    debug('tilde return', ret)
+    return ret
+  })
+}
+
+// ^ --> * (any, kinda silly)
+// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
+// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
+// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
+// ^1.2.3 --> >=1.2.3 <2.0.0
+// ^1.2.0 --> >=1.2.0 <2.0.0
+function replaceCarets (comp, options) {
+  return comp.trim().split(/\s+/).map(function (comp) {
+    return replaceCaret(comp, options)
+  }).join(' ')
+}
+
+function replaceCaret (comp, options) {
+  debug('caret', comp, options)
+  var r = options.loose ? safeRe[CARETLOOSE] : safeRe[CARET]
+  return comp.replace(r, function (_, M, m, p, pr) {
+    debug('caret', comp, _, M, m, p, pr)
+    var ret
+
+    if (isX(M)) {
+      ret = ''
+    } else if (isX(m)) {
+      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
+    } else if (isX(p)) {
+      if (M === '0') {
+        ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
+      } else {
+        ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0'
+      }
+    } else if (pr) {
+      debug('replaceCaret pr', pr)
+      if (M === '0') {
+        if (m === '0') {
+          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
+                ' <' + M + '.' + m + '.' + (+p + 1)
+        } else {
+          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
+                ' <' + M + '.' + (+m + 1) + '.0'
+        }
+      } else {
+        ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
+              ' <' + (+M + 1) + '.0.0'
+      }
+    } else {
+      debug('no pr')
+      if (M === '0') {
+        if (m === '0') {
+          ret = '>=' + M + '.' + m + '.' + p +
+                ' <' + M + '.' + m + '.' + (+p + 1)
+        } else {
+          ret = '>=' + M + '.' + m + '.' + p +
+                ' <' + M + '.' + (+m + 1) + '.0'
+        }
+      } else {
+        ret = '>=' + M + '.' + m + '.' + p +
+              ' <' + (+M + 1) + '.0.0'
+      }
+    }
+
+    debug('caret return', ret)
+    return ret
+  })
+}
+
+function replaceXRanges (comp, options) {
+  debug('replaceXRanges', comp, options)
+  return comp.split(/\s+/).map(function (comp) {
+    return replaceXRange(comp, options)
+  }).join(' ')
+}
+
+function replaceXRange (comp, options) {
+  comp = comp.trim()
+  var r = options.loose ? safeRe[XRANGELOOSE] : safeRe[XRANGE]
+  return comp.replace(r, function (ret, gtlt, M, m, p, pr) {
+    debug('xRange', comp, ret, gtlt, M, m, p, pr)
+    var xM = isX(M)
+    var xm = xM || isX(m)
+    var xp = xm || isX(p)
+    var anyX = xp
+
+    if (gtlt === '=' && anyX) {
+      gtlt = ''
+    }
+
+    if (xM) {
+      if (gtlt === '>' || gtlt === '<') {
+        // nothing is allowed
+        ret = '<0.0.0'
+      } else {
+        // nothing is forbidden
+        ret = '*'
+      }
+    } else if (gtlt && anyX) {
+      // we know patch is an x, because we have any x at all.
+      // replace X with 0
+      if (xm) {
+        m = 0
+      }
+      p = 0
+
+      if (gtlt === '>') {
+        // >1 => >=2.0.0
+        // >1.2 => >=1.3.0
+        // >1.2.3 => >= 1.2.4
+        gtlt = '>='
+        if (xm) {
+          M = +M + 1
+          m = 0
+          p = 0
+        } else {
+          m = +m + 1
+          p = 0
+        }
+      } else if (gtlt === '<=') {
+        // <=0.7.x is actually <0.8.0, since any 0.7.x should
+        // pass.  Similarly, <=7.x is actually <8.0.0, etc.
+        gtlt = '<'
+        if (xm) {
+          M = +M + 1
+        } else {
+          m = +m + 1
+        }
+      }
+
+      ret = gtlt + M + '.' + m + '.' + p
+    } else if (xm) {
+      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
+    } else if (xp) {
+      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
+    }
+
+    debug('xRange return', ret)
+
+    return ret
+  })
+}
+
+// Because * is AND-ed with everything else in the comparator,
+// and '' means "any version", just remove the *s entirely.
+function replaceStars (comp, options) {
+  debug('replaceStars', comp, options)
+  // Looseness is ignored here.  star is always as loose as it gets!
+  return comp.trim().replace(safeRe[STAR], '')
+}
+
+// This function is passed to string.replace(safeRe[HYPHENRANGE])
+// M, m, patch, prerelease, build
+// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
+// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
+// 1.2 - 3.4 => >=1.2.0 <3.5.0
+function hyphenReplace ($0,
+  from, fM, fm, fp, fpr, fb,
+  to, tM, tm, tp, tpr, tb) {
+  if (isX(fM)) {
+    from = ''
+  } else if (isX(fm)) {
+    from = '>=' + fM + '.0.0'
+  } else if (isX(fp)) {
+    from = '>=' + fM + '.' + fm + '.0'
+  } else {
+    from = '>=' + from
+  }
+
+  if (isX(tM)) {
+    to = ''
+  } else if (isX(tm)) {
+    to = '<' + (+tM + 1) + '.0.0'
+  } else if (isX(tp)) {
+    to = '<' + tM + '.' + (+tm + 1) + '.0'
+  } else if (tpr) {
+    to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr
+  } else {
+    to = '<=' + to
+  }
+
+  return (from + ' ' + to).trim()
+}
+
+// if ANY of the sets match ALL of its comparators, then pass
+Range.prototype.test = function (version) {
+  if (!version) {
+    return false
+  }
+
+  if (typeof version === 'string') {
+    version = new SemVer(version, this.options)
+  }
+
+  for (var i = 0; i < this.set.length; i++) {
+    if (testSet(this.set[i], version, this.options)) {
+      return true
+    }
+  }
+  return false
+}
+
+function testSet (set, version, options) {
+  for (var i = 0; i < set.length; i++) {
+    if (!set[i].test(version)) {
+      return false
+    }
+  }
+
+  if (version.prerelease.length && !options.includePrerelease) {
+    // Find the set of versions that are allowed to have prereleases
+    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
+    // That should allow `1.2.3-pr.2` to pass.
+    // However, `1.2.4-alpha.notready` should NOT be allowed,
+    // even though it's within the range set by the comparators.
+    for (i = 0; i < set.length; i++) {
+      debug(set[i].semver)
+      if (set[i].semver === ANY) {
+        continue
+      }
+
+      if (set[i].semver.prerelease.length > 0) {
+        var allowed = set[i].semver
+        if (allowed.major === version.major &&
+            allowed.minor === version.minor &&
+            allowed.patch === version.patch) {
+          return true
+        }
+      }
+    }
+
+    // Version has a -pre, but it's not one of the ones we like.
+    return false
+  }
+
+  return true
+}
+
+exports.satisfies = satisfies
+function satisfies (version, range, options) {
+  try {
+    range = new Range(range, options)
+  } catch (er) {
+    return false
+  }
+  return range.test(version)
+}
+
+exports.maxSatisfying = maxSatisfying
+function maxSatisfying (versions, range, options) {
+  var max = null
+  var maxSV = null
+  try {
+    var rangeObj = new Range(range, options)
+  } catch (er) {
+    return null
+  }
+  versions.forEach(function (v) {
+    if (rangeObj.test(v)) {
+      // satisfies(v, range, options)
+      if (!max || maxSV.compare(v) === -1) {
+        // compare(max, v, true)
+        max = v
+        maxSV = new SemVer(max, options)
+      }
+    }
+  })
+  return max
+}
+
+exports.minSatisfying = minSatisfying
+function minSatisfying (versions, range, options) {
+  var min = null
+  var minSV = null
+  try {
+    var rangeObj = new Range(range, options)
+  } catch (er) {
+    return null
+  }
+  versions.forEach(function (v) {
+    if (rangeObj.test(v)) {
+      // satisfies(v, range, options)
+      if (!min || minSV.compare(v) === 1) {
+        // compare(min, v, true)
+        min = v
+        minSV = new SemVer(min, options)
+      }
+    }
+  })
+  return min
+}
+
+exports.minVersion = minVersion
+function minVersion (range, loose) {
+  range = new Range(range, loose)
+
+  var minver = new SemVer('0.0.0')
+  if (range.test(minver)) {
+    return minver
+  }
+
+  minver = new SemVer('0.0.0-0')
+  if (range.test(minver)) {
+    return minver
+  }
+
+  minver = null
+  for (var i = 0; i < range.set.length; ++i) {
+    var comparators = range.set[i]
+
+    comparators.forEach(function (comparator) {
+      // Clone to avoid manipulating the comparator's semver object.
+      var compver = new SemVer(comparator.semver.version)
+      switch (comparator.operator) {
+        case '>':
+          if (compver.prerelease.length === 0) {
+            compver.patch++
+          } else {
+            compver.prerelease.push(0)
+          }
+          compver.raw = compver.format()
+          /* fallthrough */
+        case '':
+        case '>=':
+          if (!minver || gt(minver, compver)) {
+            minver = compver
+          }
+          break
+        case '<':
+        case '<=':
+          /* Ignore maximum versions */
+          break
+        /* istanbul ignore next */
+        default:
+          throw new Error('Unexpected operation: ' + comparator.operator)
+      }
+    })
+  }
+
+  if (minver && range.test(minver)) {
+    return minver
+  }
+
+  return null
+}
+
+exports.validRange = validRange
+function validRange (range, options) {
+  try {
+    // Return '*' instead of '' so that truthiness works.
+    // This will throw if it's invalid anyway
+    return new Range(range, options).range || '*'
+  } catch (er) {
+    return null
+  }
+}
+
+// Determine if version is less than all the versions possible in the range
+exports.ltr = ltr
+function ltr (version, range, options) {
+  return outside(version, range, '<', options)
+}
+
+// Determine if version is greater than all the versions possible in the range.
+exports.gtr = gtr
+function gtr (version, range, options) {
+  return outside(version, range, '>', options)
+}
+
+exports.outside = outside
+function outside (version, range, hilo, options) {
+  version = new SemVer(version, options)
+  range = new Range(range, options)
+
+  var gtfn, ltefn, ltfn, comp, ecomp
+  switch (hilo) {
+    case '>':
+      gtfn = gt
+      ltefn = lte
+      ltfn = lt
+      comp = '>'
+      ecomp = '>='
+      break
+    case '<':
+      gtfn = lt
+      ltefn = gte
+      ltfn = gt
+      comp = '<'
+      ecomp = '<='
+      break
+    default:
+      throw new TypeError('Must provide a hilo val of "<" or ">"')
+  }
+
+  // If it satisifes the range it is not outside
+  if (satisfies(version, range, options)) {
+    return false
+  }
+
+  // From now on, variable terms are as if we're in "gtr" mode.
+  // but note that everything is flipped for the "ltr" function.
+
+  for (var i = 0; i < range.set.length; ++i) {
+    var comparators = range.set[i]
+
+    var high = null
+    var low = null
+
+    comparators.forEach(function (comparator) {
+      if (comparator.semver === ANY) {
+        comparator = new Comparator('>=0.0.0')
+      }
+      high = high || comparator
+      low = low || comparator
+      if (gtfn(comparator.semver, high.semver, options)) {
+        high = comparator
+      } else if (ltfn(comparator.semver, low.semver, options)) {
+        low = comparator
+      }
+    })
+
+    // If the edge version comparator has a operator then our version
+    // isn't outside it
+    if (high.operator === comp || high.operator === ecomp) {
+      return false
+    }
+
+    // If the lowest version comparator has an operator and our version
+    // is less than it then it isn't higher than the range
+    if ((!low.operator || low.operator === comp) &&
+        ltefn(version, low.semver)) {
+      return false
+    } else if (low.operator === ecomp && ltfn(version, low.semver)) {
+      return false
+    }
+  }
+  return true
+}
+
+exports.prerelease = prerelease
+function prerelease (version, options) {
+  var parsed = parse(version, options)
+  return (parsed && parsed.prerelease.length) ? parsed.prerelease : null
+}
+
+exports.intersects = intersects
+function intersects (r1, r2, options) {
+  r1 = new Range(r1, options)
+  r2 = new Range(r2, options)
+  return r1.intersects(r2)
+}
+
+exports.coerce = coerce
+function coerce (version) {
+  if (version instanceof SemVer) {
+    return version
+  }
+
+  if (typeof version !== 'string') {
+    return null
+  }
+
+  var match = version.match(safeRe[COERCE])
+
+  if (match == null) {
+    return null
+  }
+
+  return parse(match[1] +
+    '.' + (match[2] || '0') +
+    '.' + (match[3] || '0'))
+}
diff --git a/node_modules/serialize-javascript/.vscode/settings.json b/node_modules/serialize-javascript/.vscode/settings.json
new file mode 100644
index 00000000..64c597d5
--- /dev/null
+++ b/node_modules/serialize-javascript/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
+  "spellright.language": [
+    "en"
+  ],
+  "spellright.documentTypes": [
+    "markdown",
+    "latex",
+    "plaintext",
+    "javascript"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/serialize-javascript/LICENSE b/node_modules/serialize-javascript/LICENSE
new file mode 100644
index 00000000..263382ae
--- /dev/null
+++ b/node_modules/serialize-javascript/LICENSE
@@ -0,0 +1,27 @@
+Copyright 2014 Yahoo! Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the name of the Yahoo! Inc. nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL YAHOO! INC. BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/serialize-javascript/README.md b/node_modules/serialize-javascript/README.md
new file mode 100644
index 00000000..13394748
--- /dev/null
+++ b/node_modules/serialize-javascript/README.md
@@ -0,0 +1,144 @@
+Serialize JavaScript
+====================
+
+Serialize JavaScript to a _superset_ of JSON that includes regular expressions, dates and functions.
+
+[![npm Version][npm-badge]][npm]
+[![Dependency Status][david-badge]][david]
+[![Build Status][travis-badge]][travis]
+
+## Overview
+
+The code in this package began its life as an internal module to [express-state][]. To expand its usefulness, it now lives as `serialize-javascript` — an independent package on npm.
+
+You're probably wondering: **What about `JSON.stringify()`!?** We've found that sometimes we need to serialize JavaScript **functions**, **regexps**, **dates**, **sets** or **maps**. A great example is a web app that uses client-side URL routing where the route definitions are regexps that need to be shared from the server to the client. But this module is also great for communicating between node processes.
+
+The string returned from this package's single export function is literal JavaScript which can be saved to a `.js` file, or be embedded into an HTML document by making the content of a `<script>` element.
+
+> **HTML characters and JavaScript line terminators are escaped automatically.**
+
+Please note that serialization for ES6 Sets & Maps requires support for `Array.from` (not available in IE or Node < 0.12), or an `Array.from` polyfill.
+
+## Installation
+
+Install using npm:
+
+```shell
+$ npm install serialize-javascript
+```
+
+## Usage
+
+```js
+var serialize = require('serialize-javascript');
+
+serialize({
+    str  : 'string',
+    num  : 0,
+    obj  : {foo: 'foo'},
+    arr  : [1, 2, 3],
+    bool : true,
+    nil  : null,
+    undef: undefined,
+    inf  : Infinity,
+    date : new Date("Thu, 28 Apr 2016 22:02:17 GMT"),
+    map  : new Map([['hello', 'world']]),
+    set  : new Set([123, 456]),
+    fn   : function echo(arg) { return arg; },
+    re   : /([^\s]+)/g,
+    big  : BigInt(10),
+});
+```
+
+The above will produce the following string output:
+
+```js
+'{"str":"string","num":0,"obj":{"foo":"foo"},"arr":[1,2,3],"bool":true,"nil":null,"undef":undefined,"inf":Infinity,"date":new Date("2016-04-28T22:02:17.000Z"),"map":new Map([["hello","world"]]),"set":new Set([123,456]),"fn":function echo(arg) { return arg; },"re":new RegExp("([^\\\\s]+)", "g"),"big":BigInt("10")}'
+```
+
+Note: to produced a beautified string, you can pass an optional second argument to `serialize()` to define the number of spaces to be used for the indentation.
+
+### Automatic Escaping of HTML Characters
+
+A primary feature of this package is to serialize code to a string of literal JavaScript which can be embedded in an HTML document by adding it as the contents of the `<script>` element. In order to make this safe, HTML characters and JavaScript line terminators are escaped automatically.
+
+```js
+serialize({
+    haxorXSS: '</script>'
+});
+```
+
+The above will produce the following string, HTML-escaped output which is safe to put into an HTML document as it will not cause the inline script element to terminate:
+
+```js
+'{"haxorXSS":"\\u003C\\u002Fscript\\u003E"}'
+```
+
+> You can pass an optional `unsafe` argument to `serialize()` for straight serialization.
+
+### Options
+
+The `serialize()` function accepts an `options` object as its second argument. All options are being defaulted to `undefined`:
+
+#### `options.space`
+
+This option is the same as the `space` argument that can be passed to [`JSON.stringify`][JSON.stringify]. It can be used to add whitespace and indentation to the serialized output to make it more readable.
+
+```js
+serialize(obj, {space: 2});
+```
+
+#### `options.isJSON`
+
+This option is a signal to `serialize()` that the object being serialized does not contain any function or regexps values. This enables a hot-path that allows serialization to be over 3x faster. If you're serializing a lot of data, and know its pure JSON, then you can enable this option for a speed-up.
+
+**Note:** That when using this option, the output will still be escaped to protect against XSS.
+
+```js
+serialize(obj, {isJSON: true});
+```
+
+#### `options.unsafe`
+
+This option is to signal `serialize()` that we want to do a straight conversion, without the XSS protection. This options needs to be explicitly set to `true`. HTML characters and JavaScript line terminators will not be escaped. You will have to roll your own.
+
+```js
+serialize(obj, {unsafe: true});
+```
+
+#### `options.ignoreFunction`
+
+This option is to signal `serialize()` that we do not want serialize JavaScript function. 
+Just treat function like `JSON.stringify` do, but other features will work as expected.
+
+```js
+serialize(obj, {ignoreFunction: true});
+```
+
+## Deserializing
+
+For some use cases you might also need to deserialize the string. This is explicitly not part of this module. However, you can easily write it yourself:
+
+```js
+function deserialize(serializedJavascript){
+  return eval('(' + serializedJavascript + ')');
+}
+```
+
+**Note:** Don't forget the parentheses around the serialized javascript, as the opening bracket `{` will be considered to be the start of a body.
+
+## License
+
+This software is free to use under the Yahoo! Inc. BSD license.
+See the [LICENSE file][LICENSE] for license text and copyright information.
+
+
+[npm]: https://www.npmjs.org/package/serialize-javascript
+[npm-badge]: https://img.shields.io/npm/v/serialize-javascript.svg?style=flat-square
+[david]: https://david-dm.org/yahoo/serialize-javascript
+[david-badge]: https://img.shields.io/david/yahoo/serialize-javascript.svg?style=flat-square
+[travis]: https://travis-ci.org/yahoo/serialize-javascript
+[travis-badge]: https://img.shields.io/travis/yahoo/serialize-javascript.svg?style=flat-square
+[express-state]: https://github.com/yahoo/express-state
+[JSON.stringify]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify
+[LICENSE]: https://github.com/yahoo/serialize-javascript/blob/master/LICENSE
diff --git a/node_modules/serialize-javascript/index.js b/node_modules/serialize-javascript/index.js
new file mode 100644
index 00000000..cf14df47
--- /dev/null
+++ b/node_modules/serialize-javascript/index.js
@@ -0,0 +1,247 @@
+/*
+Copyright (c) 2014, Yahoo! Inc. All rights reserved.
+Copyrights licensed under the New BSD License.
+See the accompanying LICENSE file for terms.
+*/
+
+'use strict';
+
+var randomBytes = require('randombytes');
+
+// Generate an internal UID to make the regexp pattern harder to guess.
+var UID_LENGTH          = 16;
+var UID                 = generateUID();
+var PLACE_HOLDER_REGEXP = new RegExp('(\\\\)?"@__(F|R|D|M|S|U|I|B)-' + UID + '-(\\d+)__@"', 'g');
+
+var IS_NATIVE_CODE_REGEXP = /\{\s*\[native code\]\s*\}/g;
+var IS_PURE_FUNCTION = /function.*?\(/;
+var IS_ARROW_FUNCTION = /.*?=>.*?/;
+var UNSAFE_CHARS_REGEXP   = /[<>\/\u2028\u2029]/g;
+
+var RESERVED_SYMBOLS = ['*', 'async'];
+
+// Mapping of unsafe HTML and invalid JavaScript line terminator chars to their
+// Unicode char counterparts which are safe to use in JavaScript strings.
+var ESCAPED_CHARS = {
+    '<'     : '\\u003C',
+    '>'     : '\\u003E',
+    '/'     : '\\u002F',
+    '\u2028': '\\u2028',
+    '\u2029': '\\u2029'
+};
+
+function escapeUnsafeChars(unsafeChar) {
+    return ESCAPED_CHARS[unsafeChar];
+}
+
+function generateUID() {
+    var bytes = randomBytes(UID_LENGTH);
+    var result = '';
+    for(var i=0; i<UID_LENGTH; ++i) {
+        result += bytes[i].toString(16);
+    }
+    return result;
+}
+
+function deleteFunctions(obj){
+    var functionKeys = [];
+    for (var key in obj) {
+        if (typeof obj[key] === "function") {
+            functionKeys.push(key);
+        }
+    }
+    for (var i = 0; i < functionKeys.length; i++) {
+        delete obj[functionKeys[i]];
+    }
+}
+
+module.exports = function serialize(obj, options) {
+    options || (options = {});
+
+    // Backwards-compatibility for `space` as the second argument.
+    if (typeof options === 'number' || typeof options === 'string') {
+        options = {space: options};
+    }
+
+    var functions = [];
+    var regexps   = [];
+    var dates     = [];
+    var maps      = [];
+    var sets      = [];
+    var undefs    = [];
+    var infinities= [];
+    var bigInts = [];
+
+    // Returns placeholders for functions and regexps (identified by index)
+    // which are later replaced by their string representation.
+    function replacer(key, value) {
+
+        // For nested function
+        if(options.ignoreFunction){
+            deleteFunctions(value);
+        }
+
+        if (!value && value !== undefined) {
+            return value;
+        }
+
+        // If the value is an object w/ a toJSON method, toJSON is called before
+        // the replacer runs, so we use this[key] to get the non-toJSONed value.
+        var origValue = this[key];
+        var type = typeof origValue;
+
+        if (type === 'object') {
+            if(origValue instanceof RegExp) {
+                return '@__R-' + UID + '-' + (regexps.push(origValue) - 1) + '__@';
+            }
+
+            if(origValue instanceof Date) {
+                return '@__D-' + UID + '-' + (dates.push(origValue) - 1) + '__@';
+            }
+
+            if(origValue instanceof Map) {
+                return '@__M-' + UID + '-' + (maps.push(origValue) - 1) + '__@';
+            }
+
+            if(origValue instanceof Set) {
+                return '@__S-' + UID + '-' + (sets.push(origValue) - 1) + '__@';
+            }
+        }
+
+        if (type === 'function') {
+            return '@__F-' + UID + '-' + (functions.push(origValue) - 1) + '__@';
+        }
+
+        if (type === 'undefined') {
+            return '@__U-' + UID + '-' + (undefs.push(origValue) - 1) + '__@';
+        }
+
+        if (type === 'number' && !isNaN(origValue) && !isFinite(origValue)) {
+            return '@__I-' + UID + '-' + (infinities.push(origValue) - 1) + '__@';
+        }
+
+        if (type === 'bigint') {
+            return '@__B-' + UID + '-' + (bigInts.push(origValue) - 1) + '__@';
+        }
+
+        return value;
+    }
+
+    function serializeFunc(fn) {
+      var serializedFn = fn.toString();
+      if (IS_NATIVE_CODE_REGEXP.test(serializedFn)) {
+          throw new TypeError('Serializing native function: ' + fn.name);
+      }
+
+      // pure functions, example: {key: function() {}}
+      if(IS_PURE_FUNCTION.test(serializedFn)) {
+          return serializedFn;
+      }
+
+      // arrow functions, example: arg1 => arg1+5
+      if(IS_ARROW_FUNCTION.test(serializedFn)) {
+          return serializedFn;
+      }
+
+      var argsStartsAt = serializedFn.indexOf('(');
+      var def = serializedFn.substr(0, argsStartsAt)
+        .trim()
+        .split(' ')
+        .filter(function(val) { return val.length > 0 });
+
+      var nonReservedSymbols = def.filter(function(val) {
+        return RESERVED_SYMBOLS.indexOf(val) === -1
+      });
+
+      // enhanced literal objects, example: {key() {}}
+      if(nonReservedSymbols.length > 0) {
+          return (def.indexOf('async') > -1 ? 'async ' : '') + 'function'
+            + (def.join('').indexOf('*') > -1 ? '*' : '')
+            + serializedFn.substr(argsStartsAt);
+      }
+
+      // arrow functions
+      return serializedFn;
+    }
+
+    // Check if the parameter is function
+    if (options.ignoreFunction && typeof obj === "function") {
+        obj = undefined;
+    }
+    // Protects against `JSON.stringify()` returning `undefined`, by serializing
+    // to the literal string: "undefined".
+    if (obj === undefined) {
+        return String(obj);
+    }
+
+    var str;
+
+    // Creates a JSON string representation of the value.
+    // NOTE: Node 0.12 goes into slow mode with extra JSON.stringify() args.
+    if (options.isJSON && !options.space) {
+        str = JSON.stringify(obj);
+    } else {
+        str = JSON.stringify(obj, options.isJSON ? null : replacer, options.space);
+    }
+
+    // Protects against `JSON.stringify()` returning `undefined`, by serializing
+    // to the literal string: "undefined".
+    if (typeof str !== 'string') {
+        return String(str);
+    }
+
+    // Replace unsafe HTML and invalid JavaScript line terminator chars with
+    // their safe Unicode char counterpart. This _must_ happen before the
+    // regexps and functions are serialized and added back to the string.
+    if (options.unsafe !== true) {
+        str = str.replace(UNSAFE_CHARS_REGEXP, escapeUnsafeChars);
+    }
+
+    if (functions.length === 0 && regexps.length === 0 && dates.length === 0 && maps.length === 0 && sets.length === 0 && undefs.length === 0 && infinities.length === 0 && bigInts.length === 0) {
+        return str;
+    }
+
+    // Replaces all occurrences of function, regexp, date, map and set placeholders in the
+    // JSON string with their string representations. If the original value can
+    // not be found, then `undefined` is used.
+    return str.replace(PLACE_HOLDER_REGEXP, function (match, backSlash, type, valueIndex) {
+        // The placeholder may not be preceded by a backslash. This is to prevent
+        // replacing things like `"a\"@__R-<UID>-0__@"` and thus outputting
+        // invalid JS.
+        if (backSlash) {
+            return match;
+        }
+
+        if (type === 'D') {
+            return "new Date(\"" + dates[valueIndex].toISOString() + "\")";
+        }
+
+        if (type === 'R') {
+            return "new RegExp(" + serialize(regexps[valueIndex].source) + ", \"" + regexps[valueIndex].flags + "\")";
+        }
+
+        if (type === 'M') {
+            return "new Map(" + serialize(Array.from(maps[valueIndex].entries()), options) + ")";
+        }
+
+        if (type === 'S') {
+            return "new Set(" + serialize(Array.from(sets[valueIndex].values()), options) + ")";
+        }
+
+        if (type === 'U') {
+            return 'undefined'
+        }
+
+        if (type === 'I') {
+            return infinities[valueIndex];
+        }
+
+        if (type === 'B') {
+            return "BigInt(\"" + bigInts[valueIndex] + "\")";
+        }
+
+        var fn = functions[valueIndex];
+
+        return serializeFunc(fn);
+    });
+}
diff --git a/node_modules/serialize-javascript/package.json b/node_modules/serialize-javascript/package.json
new file mode 100644
index 00000000..aab2415c
--- /dev/null
+++ b/node_modules/serialize-javascript/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "serialize-javascript",
+  "version": "4.0.0",
+  "description": "Serialize JavaScript to a superset of JSON that includes regular expressions and functions.",
+  "main": "index.js",
+  "scripts": {
+    "benchmark": "node -v && node test/benchmark/serialize.js",
+    "test": "nyc --reporter=lcov mocha test/unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/yahoo/serialize-javascript.git"
+  },
+  "keywords": [
+    "serialize",
+    "serialization",
+    "javascript",
+    "js",
+    "json"
+  ],
+  "author": "Eric Ferraiuolo <edf@ericf.me>",
+  "license": "BSD-3-Clause",
+  "bugs": {
+    "url": "https://github.com/yahoo/serialize-javascript/issues"
+  },
+  "homepage": "https://github.com/yahoo/serialize-javascript",
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "chai": "^4.1.0",
+    "mocha": "^7.0.0",
+    "nyc": "^15.0.0"
+  },
+  "dependencies": {
+    "randombytes": "^2.1.0"
+  }
+}
diff --git a/node_modules/set-function-length/.eslintrc b/node_modules/set-function-length/.eslintrc
new file mode 100644
index 00000000..7cff5071
--- /dev/null
+++ b/node_modules/set-function-length/.eslintrc
@@ -0,0 +1,27 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": "off",
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic"
+			],
+		}],
+		"no-extra-parens": "off",
+	},
+
+	"overrides": [
+		{
+			"files": ["test/**/*.js"],
+			"rules": {
+				"id-length": "off",
+				"max-lines-per-function": "off",
+				"multiline-comment-style": "off",
+				"no-empty-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/set-function-length/.github/FUNDING.yml b/node_modules/set-function-length/.github/FUNDING.yml
new file mode 100644
index 00000000..92feb6f9
--- /dev/null
+++ b/node_modules/set-function-length/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/set-function-name
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/set-function-length/.nycrc b/node_modules/set-function-length/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/set-function-length/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/set-function-length/CHANGELOG.md b/node_modules/set-function-length/CHANGELOG.md
new file mode 100644
index 00000000..bac439d8
--- /dev/null
+++ b/node_modules/set-function-length/CHANGELOG.md
@@ -0,0 +1,70 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.2](https://github.com/ljharb/set-function-length/compare/v1.2.1...v1.2.2) - 2024-03-09
+
+### Commits
+
+- [types] use shared config [`027032f`](https://github.com/ljharb/set-function-length/commit/027032fe9cc439644a07248ea6a8d813fcc767cb)
+- [actions] remove redundant finisher; use reusable workflow [`1fd4fb1`](https://github.com/ljharb/set-function-length/commit/1fd4fb1c58bd5170f0dcff7e320077c0aa2ffdeb)
+- [types] use a handwritten d.ts file instead of emit [`01b9761`](https://github.com/ljharb/set-function-length/commit/01b9761742c95e1118e8c2d153ce2ae43d9731aa)
+- [Deps] update `define-data-property`, `get-intrinsic`, `has-property-descriptors` [`bee8eaf`](https://github.com/ljharb/set-function-length/commit/bee8eaf7749f325357ade85cffeaeef679e513d4)
+- [Dev Deps] update `call-bind`, `tape` [`5dae579`](https://github.com/ljharb/set-function-length/commit/5dae579fdc3aab91b14ebb58f9c19ee3f509d434)
+- [Tests] use `@arethetypeswrong/cli` [`7e22425`](https://github.com/ljharb/set-function-length/commit/7e22425d15957fd3d6da0b6bca4afc0c8d255d2d)
+
+## [v1.2.1](https://github.com/ljharb/set-function-length/compare/v1.2.0...v1.2.1) - 2024-02-06
+
+### Commits
+
+- [Dev Deps] update `call-bind`, `tape`, `typescript` [`d9a4601`](https://github.com/ljharb/set-function-length/commit/d9a460199c4c1fa37da9ebe055e2c884128f0738)
+- [Deps] update `define-data-property`, `get-intrinsic` [`38d39ae`](https://github.com/ljharb/set-function-length/commit/38d39aed13a757ed36211d5b0437b88485090c6b)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`b4bfe5a`](https://github.com/ljharb/set-function-length/commit/b4bfe5ae0953b906d55b85f867eca5e7f673ebf4)
+
+## [v1.2.0](https://github.com/ljharb/set-function-length/compare/v1.1.1...v1.2.0) - 2024-01-14
+
+### Commits
+
+- [New] add types [`f6d9088`](https://github.com/ljharb/set-function-length/commit/f6d9088b9283a3112b21c6776e8bef6d1f30558a)
+- [Fix] ensure `env` properties are always booleans [`0c42f84`](https://github.com/ljharb/set-function-length/commit/0c42f84979086389b3229e1b4272697fd352275a)
+- [Dev Deps] update `aud`, `call-bind`, `npmignore`, `tape` [`2b75f75`](https://github.com/ljharb/set-function-length/commit/2b75f75468093a4bb8ce8ca989b2edd2e80d95d1)
+- [Deps] update `get-intrinsic`, `has-property-descriptors` [`19bf0fc`](https://github.com/ljharb/set-function-length/commit/19bf0fc4ffaa5ad425acbfa150516be9f3b6263a)
+- [meta] add `sideEffects` flag [`8bb9b78`](https://github.com/ljharb/set-function-length/commit/8bb9b78c11c621123f725c9470222f43466c01d0)
+
+## [v1.1.1](https://github.com/ljharb/set-function-length/compare/v1.1.0...v1.1.1) - 2023-10-19
+
+### Fixed
+
+- [Fix] move `define-data-property` to runtime deps [`#2`](https://github.com/ljharb/set-function-length/issues/2)
+
+### Commits
+
+- [Dev Deps] update `object-inspect`; add missing `call-bind` [`5aecf79`](https://github.com/ljharb/set-function-length/commit/5aecf79e7d6400957a5d9bd9ac20d4528908ca18)
+
+## [v1.1.0](https://github.com/ljharb/set-function-length/compare/v1.0.1...v1.1.0) - 2023-10-13
+
+### Commits
+
+- [New] add `env` entry point [`475c87a`](https://github.com/ljharb/set-function-length/commit/475c87aa2f59b700aaed589d980624ec596acdcb)
+- [Tests] add coverage with `nyc` [`14f0bf8`](https://github.com/ljharb/set-function-length/commit/14f0bf8c145ae60bf14a026420a06bb7be132c36)
+- [eslint] fix linting failure [`fb516f9`](https://github.com/ljharb/set-function-length/commit/fb516f93c664057138c53559ef63c8622a093335)
+- [Deps] update `define-data-property` [`d727e7c`](https://github.com/ljharb/set-function-length/commit/d727e7c6c9a40d7bf26797694e500ea68741feea)
+
+## [v1.0.1](https://github.com/ljharb/set-function-length/compare/v1.0.0...v1.0.1) - 2023-10-12
+
+### Commits
+
+- [Refactor] use `get-intrinsic`, since it‘s in the dep graph anyways [`278a954`](https://github.com/ljharb/set-function-length/commit/278a954a06cd849051c569ff7aee56df6798933e)
+- [meta] add `exports` [`72acfe5`](https://github.com/ljharb/set-function-length/commit/72acfe5a0310071fb205a72caba5ecbab24336a0)
+
+## v1.0.0 - 2023-10-12
+
+### Commits
+
+- Initial implementation, tests, readme [`fce14e1`](https://github.com/ljharb/set-function-length/commit/fce14e17586460e4f294405173be72b6ffdf7e5f)
+- Initial commit [`ca7ba85`](https://github.com/ljharb/set-function-length/commit/ca7ba857c7c283f9d26e21f14e71cd388f2cb722)
+- npm init [`6a7e493`](https://github.com/ljharb/set-function-length/commit/6a7e493927736cebcaf5c1a84e69b8e6b7b744d8)
+- Only apps should have lockfiles [`d2bf6c4`](https://github.com/ljharb/set-function-length/commit/d2bf6c43de8a51b02a0aa53e8d62cb50c4a2b0da)
diff --git a/node_modules/set-function-length/LICENSE b/node_modules/set-function-length/LICENSE
new file mode 100644
index 00000000..03149290
--- /dev/null
+++ b/node_modules/set-function-length/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Jordan Harband and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/set-function-length/README.md b/node_modules/set-function-length/README.md
new file mode 100644
index 00000000..15e3ac4b
--- /dev/null
+++ b/node_modules/set-function-length/README.md
@@ -0,0 +1,56 @@
+# set-function-length <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Set a function’s length.
+
+Arguments:
+ - `fn`: the function
+ - `length`: the new length. Must be an integer between 0 and 2**32.
+ - `loose`: Optional. If true, and the length fails to be set, do not throw. Default false.
+
+Returns `fn`.
+
+## Usage
+
+```javascript
+var setFunctionLength = require('set-function-length');
+var assert = require('assert');
+
+function zero() {}
+function one(_) {}
+function two(_, __) {}
+
+assert.equal(zero.length, 0);
+assert.equal(one.length, 1);
+assert.equal(two.length, 2);
+
+assert.equal(setFunctionLength(zero, 10), zero);
+assert.equal(setFunctionLength(one, 11), one);
+assert.equal(setFunctionLength(two, 12), two);
+
+assert.equal(zero.length, 10);
+assert.equal(one.length, 11);
+assert.equal(two.length, 12);
+```
+
+[package-url]: https://npmjs.org/package/set-function-length
+[npm-version-svg]: https://versionbadg.es/ljharb/set-function-length.svg
+[deps-svg]: https://david-dm.org/ljharb/set-function-length.svg
+[deps-url]: https://david-dm.org/ljharb/set-function-length
+[dev-deps-svg]: https://david-dm.org/ljharb/set-function-length/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/set-function-length#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/set-function-length.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/set-function-length.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/set-function-length.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=set-function-length
+[codecov-image]: https://codecov.io/gh/ljharb/set-function-length/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/set-function-length/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/set-function-length
+[actions-url]: https://github.com/ljharb/set-function-length/actions
diff --git a/node_modules/set-function-length/env.d.ts b/node_modules/set-function-length/env.d.ts
new file mode 100644
index 00000000..970ea535
--- /dev/null
+++ b/node_modules/set-function-length/env.d.ts
@@ -0,0 +1,9 @@
+declare const env: {
+	__proto__: null,
+	boundFnsHaveConfigurableLengths: boolean;
+	boundFnsHaveWritableLengths: boolean;
+	functionsHaveConfigurableLengths: boolean;
+	functionsHaveWritableLengths: boolean;
+};
+
+export = env;
\ No newline at end of file
diff --git a/node_modules/set-function-length/env.js b/node_modules/set-function-length/env.js
new file mode 100644
index 00000000..d9b0a299
--- /dev/null
+++ b/node_modules/set-function-length/env.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var gOPD = require('gopd');
+var bind = require('function-bind');
+
+var unbound = gOPD && gOPD(function () {}, 'length');
+// @ts-expect-error ts(2555) TS is overly strict with .call
+var bound = gOPD && gOPD(bind.call(function () {}), 'length');
+
+var functionsHaveConfigurableLengths = !!(unbound && unbound.configurable);
+
+var functionsHaveWritableLengths = !!(unbound && unbound.writable);
+
+var boundFnsHaveConfigurableLengths = !!(bound && bound.configurable);
+
+var boundFnsHaveWritableLengths = !!(bound && bound.writable);
+
+/** @type {import('./env')} */
+module.exports = {
+	__proto__: null,
+	boundFnsHaveConfigurableLengths: boundFnsHaveConfigurableLengths,
+	boundFnsHaveWritableLengths: boundFnsHaveWritableLengths,
+	functionsHaveConfigurableLengths: functionsHaveConfigurableLengths,
+	functionsHaveWritableLengths: functionsHaveWritableLengths
+};
diff --git a/node_modules/set-function-length/index.d.ts b/node_modules/set-function-length/index.d.ts
new file mode 100644
index 00000000..0451ecd3
--- /dev/null
+++ b/node_modules/set-function-length/index.d.ts
@@ -0,0 +1,7 @@
+declare namespace setFunctionLength {
+    type Func = (...args: unknown[]) => unknown;
+}
+
+declare function setFunctionLength<T extends setFunctionLength.Func = setFunctionLength.Func>(fn: T, length: number, loose?: boolean): T;
+
+export = setFunctionLength;
\ No newline at end of file
diff --git a/node_modules/set-function-length/index.js b/node_modules/set-function-length/index.js
new file mode 100644
index 00000000..14ce74da
--- /dev/null
+++ b/node_modules/set-function-length/index.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var define = require('define-data-property');
+var hasDescriptors = require('has-property-descriptors')();
+var gOPD = require('gopd');
+
+var $TypeError = require('es-errors/type');
+var $floor = GetIntrinsic('%Math.floor%');
+
+/** @type {import('.')} */
+module.exports = function setFunctionLength(fn, length) {
+	if (typeof fn !== 'function') {
+		throw new $TypeError('`fn` is not a function');
+	}
+	if (typeof length !== 'number' || length < 0 || length > 0xFFFFFFFF || $floor(length) !== length) {
+		throw new $TypeError('`length` must be a positive 32-bit integer');
+	}
+
+	var loose = arguments.length > 2 && !!arguments[2];
+
+	var functionLengthIsConfigurable = true;
+	var functionLengthIsWritable = true;
+	if ('length' in fn && gOPD) {
+		var desc = gOPD(fn, 'length');
+		if (desc && !desc.configurable) {
+			functionLengthIsConfigurable = false;
+		}
+		if (desc && !desc.writable) {
+			functionLengthIsWritable = false;
+		}
+	}
+
+	if (functionLengthIsConfigurable || functionLengthIsWritable || !loose) {
+		if (hasDescriptors) {
+			define(/** @type {Parameters<define>[0]} */ (fn), 'length', length, true, true);
+		} else {
+			define(/** @type {Parameters<define>[0]} */ (fn), 'length', length);
+		}
+	}
+	return fn;
+};
diff --git a/node_modules/set-function-length/package.json b/node_modules/set-function-length/package.json
new file mode 100644
index 00000000..f6b88819
--- /dev/null
+++ b/node_modules/set-function-length/package.json
@@ -0,0 +1,102 @@
+{
+	"name": "set-function-length",
+	"version": "1.2.2",
+	"description": "Set a function's length property",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./env": "./env.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"directories": {
+		"test": "test"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"tsc": "tsc -p .",
+		"posttsc": "attw -P",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/set-function-length.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"set",
+		"function",
+		"length",
+		"function.length"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/set-function-length/issues"
+	},
+	"homepage": "https://github.com/ljharb/set-function-length#readme",
+	"dependencies": {
+		"define-data-property": "^1.1.4",
+		"es-errors": "^1.3.0",
+		"function-bind": "^1.1.2",
+		"get-intrinsic": "^1.2.4",
+		"gopd": "^1.0.1",
+		"has-property-descriptors": "^1.0.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.15.1",
+		"@ljharb/eslint-config": "^21.1.0",
+		"@ljharb/tsconfig": "^0.1.1",
+		"@types/call-bind": "^1.0.5",
+		"@types/define-properties": "^1.1.5",
+		"@types/es-value-fixtures": "^1.4.4",
+		"@types/for-each": "^0.3.3",
+		"@types/function-bind": "^1.1.10",
+		"@types/gopd": "^1.0.3",
+		"@types/has-property-descriptors": "^1.0.3",
+		"@types/object-inspect": "^1.8.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"call-bind": "^1.0.7",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test"
+		]
+	}
+}
diff --git a/node_modules/set-function-length/tsconfig.json b/node_modules/set-function-length/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/set-function-length/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/set-value/LICENSE b/node_modules/set-value/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/set-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/set-value/README.md b/node_modules/set-value/README.md
new file mode 100644
index 00000000..e336d744
--- /dev/null
+++ b/node_modules/set-value/README.md
@@ -0,0 +1,150 @@
+# set-value [![NPM version](https://img.shields.io/npm/v/set-value.svg?style=flat)](https://www.npmjs.com/package/set-value) [![NPM monthly downloads](https://img.shields.io/npm/dm/set-value.svg?style=flat)](https://npmjs.org/package/set-value) [![NPM total downloads](https://img.shields.io/npm/dt/set-value.svg?style=flat)](https://npmjs.org/package/set-value) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/set-value.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/set-value)
+
+> Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save set-value
+```
+
+## Usage
+
+```js
+var set = require('set-value');
+set(object, prop, value);
+```
+
+### Params
+
+* `object` **{object}**: The object to set `value` on
+* `prop` **{string}**: The property to set. Dot-notation may be used.
+* `value` **{any}**: The value to set on `object[prop]`
+
+## Examples
+
+Updates and returns the given object:
+
+```js
+var obj = {};
+set(obj, 'a.b.c', 'd');
+console.log(obj);
+//=> { a: { b: { c: 'd' } } }
+```
+
+### Escaping
+
+**Escaping with backslashes**
+
+Prevent set-value from splitting on a dot by prefixing it with backslashes:
+
+```js
+console.log(set({}, 'a\\.b.c', 'd'));
+//=> { 'a.b': { c: 'd' } }
+
+console.log(set({}, 'a\\.b\\.c', 'd'));
+//=> { 'a.b.c': 'd' }
+```
+
+**Escaping with double-quotes or single-quotes**
+
+Wrap double or single quotes around the string, or part of the string, that should not be split by set-value:
+
+```js
+console.log(set({}, '"a.b".c', 'd'));
+//=> { 'a.b': { c: 'd' } }
+
+console.log(set({}, "'a.b'.c", "d"));
+//=> { 'a.b': { c: 'd' } }
+
+console.log(set({}, '"this/is/a/.file.path"', 'd'));
+//=> { 'this/is/a/file.path': 'd' }
+```
+
+### Bracket support
+
+set-value does not split inside brackets or braces:
+
+```js
+console.log(set({}, '[a.b].c', 'd'));
+//=> { '[a.b]': { c: 'd' } }
+
+console.log(set({}, "(a.b).c", "d"));
+//=> { '(a.b)': { c: 'd' } }
+
+console.log(set({}, "<a.b>.c", "d"));
+//=> { '<a.b>': { c: 'd' } }
+
+console.log(set({}, "{a..b}.c", "d"));
+//=> { '{a..b}': { c: 'd' } }
+```
+
+## History
+
+### v2.0.0
+
+* Adds support for escaping with double or single quotes. See [escaping](#escaping) for examples.
+* Will no longer split inside brackets or braces. See [bracket support](#bracket-support) for examples.
+
+If there are any regressions please create a [bug report](../../issues/new). Thanks!
+
+## About
+
+### Related projects
+
+* [assign-value](https://www.npmjs.com/package/assign-value): Assign a value or extend a deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/assign-value) | [homepage](https://github.com/jonschlinkert/assign-value "Assign a value or extend a deeply nested property of an object using object path notation.")
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.")
+* [merge-value](https://www.npmjs.com/package/merge-value): Similar to assign-value but deeply merges object values or nested values using object path/dot notation. | [homepage](https://github.com/jonschlinkert/merge-value "Similar to assign-value but deeply merges object values or nested values using object path/dot notation.")
+* [omit-value](https://www.npmjs.com/package/omit-value): Omit properties from an object or deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/omit-value) | [homepage](https://github.com/jonschlinkert/omit-value "Omit properties from an object or deeply nested property of an object using object path notation.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+* [union-value](https://www.npmjs.com/package/union-value): Set an array of unique values as the property of an object. Supports setting deeply… [more](https://github.com/jonschlinkert/union-value) | [homepage](https://github.com/jonschlinkert/union-value "Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.")
+* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [vadimdemedes](https://github.com/vadimdemedes) |
+| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 21, 2017._
\ No newline at end of file
diff --git a/node_modules/set-value/index.js b/node_modules/set-value/index.js
new file mode 100644
index 00000000..0b32e8fa
--- /dev/null
+++ b/node_modules/set-value/index.js
@@ -0,0 +1,55 @@
+/*!
+ * set-value <https://github.com/jonschlinkert/set-value>
+ *
+ * Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var split = require('split-string');
+var extend = require('extend-shallow');
+var isPlainObject = require('is-plain-object');
+var isObject = require('is-extendable');
+
+module.exports = function(obj, prop, val) {
+  if (!isObject(obj)) {
+    return obj;
+  }
+
+  if (Array.isArray(prop)) {
+    prop = [].concat.apply([], prop).join('.');
+  }
+
+  if (typeof prop !== 'string') {
+    return obj;
+  }
+
+  var keys = split(prop, {sep: '.', brackets: true}).filter(isValidKey);
+  var len = keys.length;
+  var idx = -1;
+  var current = obj;
+
+  while (++idx < len) {
+    var key = keys[idx];
+    if (idx !== len - 1) {
+      if (!isObject(current[key])) {
+        current[key] = {};
+      }
+      current = current[key];
+      continue;
+    }
+
+    if (isPlainObject(current[key]) && isPlainObject(val)) {
+      current[key] = extend({}, current[key], val);
+    } else {
+      current[key] = val;
+    }
+  }
+
+  return obj;
+};
+
+function isValidKey(key) {
+  return key !== '__proto__' && key !== 'constructor' && key !== 'prototype';
+}
diff --git a/node_modules/set-value/node_modules/extend-shallow/LICENSE b/node_modules/set-value/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/set-value/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/set-value/node_modules/extend-shallow/README.md b/node_modules/set-value/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/set-value/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/set-value/node_modules/extend-shallow/index.js b/node_modules/set-value/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/set-value/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/set-value/node_modules/extend-shallow/package.json b/node_modules/set-value/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/set-value/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/set-value/node_modules/is-extendable/LICENSE b/node_modules/set-value/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/set-value/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/set-value/node_modules/is-extendable/README.md b/node_modules/set-value/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/set-value/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/set-value/node_modules/is-extendable/index.js b/node_modules/set-value/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/set-value/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/set-value/node_modules/is-extendable/package.json b/node_modules/set-value/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/set-value/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/set-value/package.json b/node_modules/set-value/package.json
new file mode 100644
index 00000000..736db34c
--- /dev/null
+++ b/node_modules/set-value/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "set-value",
+  "description": "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/set-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "(https://github.com/wtgtybhertgeghgtwtg)",
+    "Vadim Demedes (https://vadimdemedes.com)"
+  ],
+  "repository": "jonschlinkert/set-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/set-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "extend-shallow": "^2.0.1",
+    "is-extendable": "^0.1.1",
+    "is-plain-object": "^2.0.3",
+    "split-string": "^3.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.4.2"
+  },
+  "keywords": [
+    "get",
+    "has",
+    "hasown",
+    "key",
+    "keys",
+    "nested",
+    "notation",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "set",
+    "value",
+    "values"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "assign-value",
+        "get-value",
+        "has-value",
+        "merge-value",
+        "omit-value",
+        "set-value",
+        "union-value",
+        "unset-value"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/setimmediate/LICENSE.txt b/node_modules/setimmediate/LICENSE.txt
new file mode 100644
index 00000000..32b20de6
--- /dev/null
+++ b/node_modules/setimmediate/LICENSE.txt
@@ -0,0 +1,20 @@
+Copyright (c) 2012 Barnesandnoble.com, llc, Donavon West, and Domenic Denicola
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/setimmediate/package.json b/node_modules/setimmediate/package.json
new file mode 100644
index 00000000..9b211e43
--- /dev/null
+++ b/node_modules/setimmediate/package.json
@@ -0,0 +1,30 @@
+{
+    "name": "setimmediate",
+    "description": "A shim for the setImmediate efficient script yielding API",
+    "version": "1.0.5",
+    "author": "YuzuJS",
+    "contributors": [
+        "Domenic Denicola <d@domenic.me> (https://domenic.me)",
+        "Donavon West <github@donavon.com> (http://donavon.com)",
+        "Yaffle"
+    ],
+    "license": "MIT",
+    "repository": "YuzuJS/setImmediate",
+    "main": "setImmediate.js",
+    "files": [
+        "setImmediate.js"
+    ],
+    "scripts": {
+        "lint": "jshint setImmediate.js",
+        "test": "mocha test/tests.js",
+        "test-browser": "opener http://localhost:9008/__zuul && zuul test/tests.js --ui mocha-bdd --local 9008",
+        "test-browser-only": "opener http://localhost:9007/test/browserOnly/index.html && http-server . -p 9007"
+    },
+    "devDependencies": {
+        "jshint": "^2.5.0",
+        "mocha": "~1.18.2",
+        "http-server": "~0.6.1",
+        "opener": "^1.3",
+        "zuul": "^1.6.4"
+    }
+}
diff --git a/node_modules/setimmediate/setImmediate.js b/node_modules/setimmediate/setImmediate.js
new file mode 100644
index 00000000..3c1b06e6
--- /dev/null
+++ b/node_modules/setimmediate/setImmediate.js
@@ -0,0 +1,186 @@
+(function (global, undefined) {
+    "use strict";
+
+    if (global.setImmediate) {
+        return;
+    }
+
+    var nextHandle = 1; // Spec says greater than zero
+    var tasksByHandle = {};
+    var currentlyRunningATask = false;
+    var doc = global.document;
+    var registerImmediate;
+
+    function setImmediate(callback) {
+      // Callback can either be a function or a string
+      if (typeof callback !== "function") {
+        callback = new Function("" + callback);
+      }
+      // Copy function arguments
+      var args = new Array(arguments.length - 1);
+      for (var i = 0; i < args.length; i++) {
+          args[i] = arguments[i + 1];
+      }
+      // Store and register the task
+      var task = { callback: callback, args: args };
+      tasksByHandle[nextHandle] = task;
+      registerImmediate(nextHandle);
+      return nextHandle++;
+    }
+
+    function clearImmediate(handle) {
+        delete tasksByHandle[handle];
+    }
+
+    function run(task) {
+        var callback = task.callback;
+        var args = task.args;
+        switch (args.length) {
+        case 0:
+            callback();
+            break;
+        case 1:
+            callback(args[0]);
+            break;
+        case 2:
+            callback(args[0], args[1]);
+            break;
+        case 3:
+            callback(args[0], args[1], args[2]);
+            break;
+        default:
+            callback.apply(undefined, args);
+            break;
+        }
+    }
+
+    function runIfPresent(handle) {
+        // From the spec: "Wait until any invocations of this algorithm started before this one have completed."
+        // So if we're currently running a task, we'll need to delay this invocation.
+        if (currentlyRunningATask) {
+            // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a
+            // "too much recursion" error.
+            setTimeout(runIfPresent, 0, handle);
+        } else {
+            var task = tasksByHandle[handle];
+            if (task) {
+                currentlyRunningATask = true;
+                try {
+                    run(task);
+                } finally {
+                    clearImmediate(handle);
+                    currentlyRunningATask = false;
+                }
+            }
+        }
+    }
+
+    function installNextTickImplementation() {
+        registerImmediate = function(handle) {
+            process.nextTick(function () { runIfPresent(handle); });
+        };
+    }
+
+    function canUsePostMessage() {
+        // The test against `importScripts` prevents this implementation from being installed inside a web worker,
+        // where `global.postMessage` means something completely different and can't be used for this purpose.
+        if (global.postMessage && !global.importScripts) {
+            var postMessageIsAsynchronous = true;
+            var oldOnMessage = global.onmessage;
+            global.onmessage = function() {
+                postMessageIsAsynchronous = false;
+            };
+            global.postMessage("", "*");
+            global.onmessage = oldOnMessage;
+            return postMessageIsAsynchronous;
+        }
+    }
+
+    function installPostMessageImplementation() {
+        // Installs an event handler on `global` for the `message` event: see
+        // * https://developer.mozilla.org/en/DOM/window.postMessage
+        // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages
+
+        var messagePrefix = "setImmediate$" + Math.random() + "$";
+        var onGlobalMessage = function(event) {
+            if (event.source === global &&
+                typeof event.data === "string" &&
+                event.data.indexOf(messagePrefix) === 0) {
+                runIfPresent(+event.data.slice(messagePrefix.length));
+            }
+        };
+
+        if (global.addEventListener) {
+            global.addEventListener("message", onGlobalMessage, false);
+        } else {
+            global.attachEvent("onmessage", onGlobalMessage);
+        }
+
+        registerImmediate = function(handle) {
+            global.postMessage(messagePrefix + handle, "*");
+        };
+    }
+
+    function installMessageChannelImplementation() {
+        var channel = new MessageChannel();
+        channel.port1.onmessage = function(event) {
+            var handle = event.data;
+            runIfPresent(handle);
+        };
+
+        registerImmediate = function(handle) {
+            channel.port2.postMessage(handle);
+        };
+    }
+
+    function installReadyStateChangeImplementation() {
+        var html = doc.documentElement;
+        registerImmediate = function(handle) {
+            // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
+            // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
+            var script = doc.createElement("script");
+            script.onreadystatechange = function () {
+                runIfPresent(handle);
+                script.onreadystatechange = null;
+                html.removeChild(script);
+                script = null;
+            };
+            html.appendChild(script);
+        };
+    }
+
+    function installSetTimeoutImplementation() {
+        registerImmediate = function(handle) {
+            setTimeout(runIfPresent, 0, handle);
+        };
+    }
+
+    // If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.
+    var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);
+    attachTo = attachTo && attachTo.setTimeout ? attachTo : global;
+
+    // Don't get fooled by e.g. browserify environments.
+    if ({}.toString.call(global.process) === "[object process]") {
+        // For Node.js before 0.9
+        installNextTickImplementation();
+
+    } else if (canUsePostMessage()) {
+        // For non-IE10 modern browsers
+        installPostMessageImplementation();
+
+    } else if (global.MessageChannel) {
+        // For web workers, where supported
+        installMessageChannelImplementation();
+
+    } else if (doc && "onreadystatechange" in doc.createElement("script")) {
+        // For IE 6–8
+        installReadyStateChangeImplementation();
+
+    } else {
+        // For older browsers
+        installSetTimeoutImplementation();
+    }
+
+    attachTo.setImmediate = setImmediate;
+    attachTo.clearImmediate = clearImmediate;
+}(typeof self === "undefined" ? typeof global === "undefined" ? this : global : self));
diff --git a/node_modules/sha.js/.travis.yml b/node_modules/sha.js/.travis.yml
new file mode 100644
index 00000000..0b606eb5
--- /dev/null
+++ b/node_modules/sha.js/.travis.yml
@@ -0,0 +1,17 @@
+sudo: false
+os:
+  - linux
+language: node_js
+node_js:
+  - "4"
+  - "5"
+  - "6"
+  - "7"
+env:
+  matrix:
+    - TEST_SUITE=unit
+matrix:
+  include:
+    - node_js: "7"
+      env: TEST_SUITE=lint
+script: npm run $TEST_SUITE
diff --git a/node_modules/sha.js/LICENSE b/node_modules/sha.js/LICENSE
new file mode 100644
index 00000000..11888c13
--- /dev/null
+++ b/node_modules/sha.js/LICENSE
@@ -0,0 +1,49 @@
+Copyright (c) 2013-2018 sha.js contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+Copyright (c) 1998 - 2009, Paul Johnston & Contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+Neither the name of the author nor the names of its contributors may be used to
+endorse or promote products derived from this software without specific prior
+written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/node_modules/sha.js/README.md b/node_modules/sha.js/README.md
new file mode 100644
index 00000000..1cc3db55
--- /dev/null
+++ b/node_modules/sha.js/README.md
@@ -0,0 +1,44 @@
+# sha.js
+[![NPM Package](https://img.shields.io/npm/v/sha.js.svg?style=flat-square)](https://www.npmjs.org/package/sha.js)
+[![Build Status](https://img.shields.io/travis/crypto-browserify/sha.js.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/sha.js)
+[![Dependency status](https://img.shields.io/david/crypto-browserify/sha.js.svg?style=flat-square)](https://david-dm.org/crypto-browserify/sha.js#info=dependencies)
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+Node style `SHA` on pure JavaScript.
+
+```js
+var shajs = require('sha.js')
+
+console.log(shajs('sha256').update('42').digest('hex'))
+// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049
+console.log(new shajs.sha256().update('42').digest('hex'))
+// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049
+
+var sha256stream = shajs('sha256')
+sha256stream.end('42')
+console.log(sha256stream.read().toString('hex'))
+// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049
+```
+
+## supported hashes
+`sha.js` currently implements:
+
+  - SHA (SHA-0) -- **legacy, do not use in new systems**
+  - SHA-1 -- **legacy, do not use in new systems**
+  - SHA-224
+  - SHA-256
+  - SHA-384
+  - SHA-512
+
+
+## Not an actual stream
+Note, this doesn't actually implement a stream, but wrapping this in a stream is trivial.
+It does update incrementally, so you can hash things larger than RAM, as it uses a constant amount of memory (except when using base64 or utf8 encoding, see code comments).
+
+
+## Acknowledgements
+This work is derived from Paul Johnston's [A JavaScript implementation of the Secure Hash Algorithm](http://pajhome.org.uk/crypt/md5/sha1.html).
+
+
+## LICENSE [MIT](LICENSE)
diff --git a/node_modules/sha.js/bin.js b/node_modules/sha.js/bin.js
new file mode 100644
index 00000000..5a7ac83a
--- /dev/null
+++ b/node_modules/sha.js/bin.js
@@ -0,0 +1,41 @@
+#! /usr/bin/env node
+
+var createHash = require('./browserify')
+var argv = process.argv.slice(2)
+
+function pipe (algorithm, s) {
+  var start = Date.now()
+  var hash = createHash(algorithm || 'sha1')
+
+  s.on('data', function (data) {
+    hash.update(data)
+  })
+
+  s.on('end', function () {
+    if (process.env.DEBUG) {
+      return console.log(hash.digest('hex'), Date.now() - start)
+    }
+
+    console.log(hash.digest('hex'))
+  })
+}
+
+function usage () {
+  console.error('sha.js [algorithm=sha1] [filename] # hash filename with algorithm')
+  console.error('input | sha.js [algorithm=sha1]    # hash stdin with algorithm')
+  console.error('sha.js --help                      # display this message')
+}
+
+if (!process.stdin.isTTY) {
+  pipe(argv[0], process.stdin)
+} else if (argv.length) {
+  if (/--help|-h/.test(argv[0])) {
+    usage()
+  } else {
+    var filename = argv.pop()
+    var algorithm = argv.pop()
+    pipe(algorithm, require('fs').createReadStream(filename))
+  }
+} else {
+  usage()
+}
diff --git a/node_modules/sha.js/hash.js b/node_modules/sha.js/hash.js
new file mode 100644
index 00000000..013537a9
--- /dev/null
+++ b/node_modules/sha.js/hash.js
@@ -0,0 +1,81 @@
+var Buffer = require('safe-buffer').Buffer
+
+// prototype class for hash functions
+function Hash (blockSize, finalSize) {
+  this._block = Buffer.alloc(blockSize)
+  this._finalSize = finalSize
+  this._blockSize = blockSize
+  this._len = 0
+}
+
+Hash.prototype.update = function (data, enc) {
+  if (typeof data === 'string') {
+    enc = enc || 'utf8'
+    data = Buffer.from(data, enc)
+  }
+
+  var block = this._block
+  var blockSize = this._blockSize
+  var length = data.length
+  var accum = this._len
+
+  for (var offset = 0; offset < length;) {
+    var assigned = accum % blockSize
+    var remainder = Math.min(length - offset, blockSize - assigned)
+
+    for (var i = 0; i < remainder; i++) {
+      block[assigned + i] = data[offset + i]
+    }
+
+    accum += remainder
+    offset += remainder
+
+    if ((accum % blockSize) === 0) {
+      this._update(block)
+    }
+  }
+
+  this._len += length
+  return this
+}
+
+Hash.prototype.digest = function (enc) {
+  var rem = this._len % this._blockSize
+
+  this._block[rem] = 0x80
+
+  // zero (rem + 1) trailing bits, where (rem + 1) is the smallest
+  // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize
+  this._block.fill(0, rem + 1)
+
+  if (rem >= this._finalSize) {
+    this._update(this._block)
+    this._block.fill(0)
+  }
+
+  var bits = this._len * 8
+
+  // uint32
+  if (bits <= 0xffffffff) {
+    this._block.writeUInt32BE(bits, this._blockSize - 4)
+
+  // uint64
+  } else {
+    var lowBits = (bits & 0xffffffff) >>> 0
+    var highBits = (bits - lowBits) / 0x100000000
+
+    this._block.writeUInt32BE(highBits, this._blockSize - 8)
+    this._block.writeUInt32BE(lowBits, this._blockSize - 4)
+  }
+
+  this._update(this._block)
+  var hash = this._hash()
+
+  return enc ? hash.toString(enc) : hash
+}
+
+Hash.prototype._update = function () {
+  throw new Error('_update must be implemented by subclass')
+}
+
+module.exports = Hash
diff --git a/node_modules/sha.js/index.js b/node_modules/sha.js/index.js
new file mode 100644
index 00000000..87cdf493
--- /dev/null
+++ b/node_modules/sha.js/index.js
@@ -0,0 +1,15 @@
+var exports = module.exports = function SHA (algorithm) {
+  algorithm = algorithm.toLowerCase()
+
+  var Algorithm = exports[algorithm]
+  if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
+
+  return new Algorithm()
+}
+
+exports.sha = require('./sha')
+exports.sha1 = require('./sha1')
+exports.sha224 = require('./sha224')
+exports.sha256 = require('./sha256')
+exports.sha384 = require('./sha384')
+exports.sha512 = require('./sha512')
diff --git a/node_modules/sha.js/package.json b/node_modules/sha.js/package.json
new file mode 100644
index 00000000..bfe633b2
--- /dev/null
+++ b/node_modules/sha.js/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "sha.js",
+  "description": "Streamable SHA hashes in pure javascript",
+  "version": "2.4.11",
+  "homepage": "https://github.com/crypto-browserify/sha.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/crypto-browserify/sha.js.git"
+  },
+  "dependencies": {
+    "inherits": "^2.0.1",
+    "safe-buffer": "^5.0.1"
+  },
+  "devDependencies": {
+    "buffer": "~2.3.2",
+    "hash-test-vectors": "^1.3.1",
+    "standard": "^10.0.2",
+    "tape": "~2.3.2",
+    "typedarray": "0.0.6"
+  },
+  "bin": "./bin.js",
+  "scripts": {
+    "prepublish": "npm ls && npm run unit",
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "unit": "set -e; for t in test/*.js; do node $t; done;"
+  },
+  "author": "Dominic Tarr <dominic.tarr@gmail.com> (dominictarr.com)",
+  "license": "(MIT AND BSD-3-Clause)"
+}
diff --git a/node_modules/sha.js/sha.js b/node_modules/sha.js/sha.js
new file mode 100644
index 00000000..50c4fa80
--- /dev/null
+++ b/node_modules/sha.js/sha.js
@@ -0,0 +1,94 @@
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
+ * in FIPS PUB 180-1
+ * This source code is derived from sha1.js of the same repository.
+ * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
+ * operation was added.
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
+
+var W = new Array(80)
+
+function Sha () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha, Hash)
+
+Sha.prototype.init = function () {
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+
+  return this
+}
+
+function rotl5 (num) {
+  return (num << 5) | (num >>> 27)
+}
+
+function rotl30 (num) {
+  return (num << 30) | (num >>> 2)
+}
+
+function ft (s, b, c, d) {
+  if (s === 0) return (b & c) | ((~b) & d)
+  if (s === 2) return (b & c) | (b & d) | (c & d)
+  return b ^ c ^ d
+}
+
+Sha.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]
+
+  for (var j = 0; j < 80; ++j) {
+    var s = ~~(j / 20)
+    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
+
+    e = d
+    d = c
+    c = rotl30(b)
+    b = a
+    a = t
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+}
+
+Sha.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(20)
+
+  H.writeInt32BE(this._a | 0, 0)
+  H.writeInt32BE(this._b | 0, 4)
+  H.writeInt32BE(this._c | 0, 8)
+  H.writeInt32BE(this._d | 0, 12)
+  H.writeInt32BE(this._e | 0, 16)
+
+  return H
+}
+
+module.exports = Sha
diff --git a/node_modules/sha.js/sha1.js b/node_modules/sha.js/sha1.js
new file mode 100644
index 00000000..cabd747c
--- /dev/null
+++ b/node_modules/sha.js/sha1.js
@@ -0,0 +1,99 @@
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS PUB 180-1
+ * Version 2.1a Copyright Paul Johnston 2000 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
+
+var W = new Array(80)
+
+function Sha1 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha1, Hash)
+
+Sha1.prototype.init = function () {
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+
+  return this
+}
+
+function rotl1 (num) {
+  return (num << 1) | (num >>> 31)
+}
+
+function rotl5 (num) {
+  return (num << 5) | (num >>> 27)
+}
+
+function rotl30 (num) {
+  return (num << 30) | (num >>> 2)
+}
+
+function ft (s, b, c, d) {
+  if (s === 0) return (b & c) | ((~b) & d)
+  if (s === 2) return (b & c) | (b & d) | (c & d)
+  return b ^ c ^ d
+}
+
+Sha1.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16])
+
+  for (var j = 0; j < 80; ++j) {
+    var s = ~~(j / 20)
+    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
+
+    e = d
+    d = c
+    c = rotl30(b)
+    b = a
+    a = t
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+}
+
+Sha1.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(20)
+
+  H.writeInt32BE(this._a | 0, 0)
+  H.writeInt32BE(this._b | 0, 4)
+  H.writeInt32BE(this._c | 0, 8)
+  H.writeInt32BE(this._d | 0, 12)
+  H.writeInt32BE(this._e | 0, 16)
+
+  return H
+}
+
+module.exports = Sha1
diff --git a/node_modules/sha.js/sha224.js b/node_modules/sha.js/sha224.js
new file mode 100644
index 00000000..35541e57
--- /dev/null
+++ b/node_modules/sha.js/sha224.js
@@ -0,0 +1,53 @@
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('inherits')
+var Sha256 = require('./sha256')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var W = new Array(64)
+
+function Sha224 () {
+  this.init()
+
+  this._w = W // new Array(64)
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha224, Sha256)
+
+Sha224.prototype.init = function () {
+  this._a = 0xc1059ed8
+  this._b = 0x367cd507
+  this._c = 0x3070dd17
+  this._d = 0xf70e5939
+  this._e = 0xffc00b31
+  this._f = 0x68581511
+  this._g = 0x64f98fa7
+  this._h = 0xbefa4fa4
+
+  return this
+}
+
+Sha224.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(28)
+
+  H.writeInt32BE(this._a, 0)
+  H.writeInt32BE(this._b, 4)
+  H.writeInt32BE(this._c, 8)
+  H.writeInt32BE(this._d, 12)
+  H.writeInt32BE(this._e, 16)
+  H.writeInt32BE(this._f, 20)
+  H.writeInt32BE(this._g, 24)
+
+  return H
+}
+
+module.exports = Sha224
diff --git a/node_modules/sha.js/sha256.js b/node_modules/sha.js/sha256.js
new file mode 100644
index 00000000..342e48ae
--- /dev/null
+++ b/node_modules/sha.js/sha256.js
@@ -0,0 +1,135 @@
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
+  0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
+  0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
+  0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
+  0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
+  0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
+  0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
+  0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
+  0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
+  0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
+  0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
+  0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
+  0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
+  0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
+  0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
+  0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
+]
+
+var W = new Array(64)
+
+function Sha256 () {
+  this.init()
+
+  this._w = W // new Array(64)
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha256, Hash)
+
+Sha256.prototype.init = function () {
+  this._a = 0x6a09e667
+  this._b = 0xbb67ae85
+  this._c = 0x3c6ef372
+  this._d = 0xa54ff53a
+  this._e = 0x510e527f
+  this._f = 0x9b05688c
+  this._g = 0x1f83d9ab
+  this._h = 0x5be0cd19
+
+  return this
+}
+
+function ch (x, y, z) {
+  return z ^ (x & (y ^ z))
+}
+
+function maj (x, y, z) {
+  return (x & y) | (z & (x | y))
+}
+
+function sigma0 (x) {
+  return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
+}
+
+function sigma1 (x) {
+  return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
+}
+
+function gamma0 (x) {
+  return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
+}
+
+function gamma1 (x) {
+  return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
+}
+
+Sha256.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+  var f = this._f | 0
+  var g = this._g | 0
+  var h = this._h | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0
+
+  for (var j = 0; j < 64; ++j) {
+    var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + W[j]) | 0
+    var T2 = (sigma0(a) + maj(a, b, c)) | 0
+
+    h = g
+    g = f
+    f = e
+    e = (d + T1) | 0
+    d = c
+    c = b
+    b = a
+    a = (T1 + T2) | 0
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+  this._f = (f + this._f) | 0
+  this._g = (g + this._g) | 0
+  this._h = (h + this._h) | 0
+}
+
+Sha256.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(32)
+
+  H.writeInt32BE(this._a, 0)
+  H.writeInt32BE(this._b, 4)
+  H.writeInt32BE(this._c, 8)
+  H.writeInt32BE(this._d, 12)
+  H.writeInt32BE(this._e, 16)
+  H.writeInt32BE(this._f, 20)
+  H.writeInt32BE(this._g, 24)
+  H.writeInt32BE(this._h, 28)
+
+  return H
+}
+
+module.exports = Sha256
diff --git a/node_modules/sha.js/sha384.js b/node_modules/sha.js/sha384.js
new file mode 100644
index 00000000..afc85e51
--- /dev/null
+++ b/node_modules/sha.js/sha384.js
@@ -0,0 +1,57 @@
+var inherits = require('inherits')
+var SHA512 = require('./sha512')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var W = new Array(160)
+
+function Sha384 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 128, 112)
+}
+
+inherits(Sha384, SHA512)
+
+Sha384.prototype.init = function () {
+  this._ah = 0xcbbb9d5d
+  this._bh = 0x629a292a
+  this._ch = 0x9159015a
+  this._dh = 0x152fecd8
+  this._eh = 0x67332667
+  this._fh = 0x8eb44a87
+  this._gh = 0xdb0c2e0d
+  this._hh = 0x47b5481d
+
+  this._al = 0xc1059ed8
+  this._bl = 0x367cd507
+  this._cl = 0x3070dd17
+  this._dl = 0xf70e5939
+  this._el = 0xffc00b31
+  this._fl = 0x68581511
+  this._gl = 0x64f98fa7
+  this._hl = 0xbefa4fa4
+
+  return this
+}
+
+Sha384.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(48)
+
+  function writeInt64BE (h, l, offset) {
+    H.writeInt32BE(h, offset)
+    H.writeInt32BE(l, offset + 4)
+  }
+
+  writeInt64BE(this._ah, this._al, 0)
+  writeInt64BE(this._bh, this._bl, 8)
+  writeInt64BE(this._ch, this._cl, 16)
+  writeInt64BE(this._dh, this._dl, 24)
+  writeInt64BE(this._eh, this._el, 32)
+  writeInt64BE(this._fh, this._fl, 40)
+
+  return H
+}
+
+module.exports = Sha384
diff --git a/node_modules/sha.js/sha512.js b/node_modules/sha.js/sha512.js
new file mode 100644
index 00000000..fb28f2f6
--- /dev/null
+++ b/node_modules/sha.js/sha512.js
@@ -0,0 +1,260 @@
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+]
+
+var W = new Array(160)
+
+function Sha512 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 128, 112)
+}
+
+inherits(Sha512, Hash)
+
+Sha512.prototype.init = function () {
+  this._ah = 0x6a09e667
+  this._bh = 0xbb67ae85
+  this._ch = 0x3c6ef372
+  this._dh = 0xa54ff53a
+  this._eh = 0x510e527f
+  this._fh = 0x9b05688c
+  this._gh = 0x1f83d9ab
+  this._hh = 0x5be0cd19
+
+  this._al = 0xf3bcc908
+  this._bl = 0x84caa73b
+  this._cl = 0xfe94f82b
+  this._dl = 0x5f1d36f1
+  this._el = 0xade682d1
+  this._fl = 0x2b3e6c1f
+  this._gl = 0xfb41bd6b
+  this._hl = 0x137e2179
+
+  return this
+}
+
+function Ch (x, y, z) {
+  return z ^ (x & (y ^ z))
+}
+
+function maj (x, y, z) {
+  return (x & y) | (z & (x | y))
+}
+
+function sigma0 (x, xl) {
+  return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
+}
+
+function sigma1 (x, xl) {
+  return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
+}
+
+function Gamma0 (x, xl) {
+  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
+}
+
+function Gamma0l (x, xl) {
+  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
+}
+
+function Gamma1 (x, xl) {
+  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
+}
+
+function Gamma1l (x, xl) {
+  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
+}
+
+function getCarry (a, b) {
+  return (a >>> 0) < (b >>> 0) ? 1 : 0
+}
+
+Sha512.prototype._update = function (M) {
+  var W = this._w
+
+  var ah = this._ah | 0
+  var bh = this._bh | 0
+  var ch = this._ch | 0
+  var dh = this._dh | 0
+  var eh = this._eh | 0
+  var fh = this._fh | 0
+  var gh = this._gh | 0
+  var hh = this._hh | 0
+
+  var al = this._al | 0
+  var bl = this._bl | 0
+  var cl = this._cl | 0
+  var dl = this._dl | 0
+  var el = this._el | 0
+  var fl = this._fl | 0
+  var gl = this._gl | 0
+  var hl = this._hl | 0
+
+  for (var i = 0; i < 32; i += 2) {
+    W[i] = M.readInt32BE(i * 4)
+    W[i + 1] = M.readInt32BE(i * 4 + 4)
+  }
+  for (; i < 160; i += 2) {
+    var xh = W[i - 15 * 2]
+    var xl = W[i - 15 * 2 + 1]
+    var gamma0 = Gamma0(xh, xl)
+    var gamma0l = Gamma0l(xl, xh)
+
+    xh = W[i - 2 * 2]
+    xl = W[i - 2 * 2 + 1]
+    var gamma1 = Gamma1(xh, xl)
+    var gamma1l = Gamma1l(xl, xh)
+
+    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
+    var Wi7h = W[i - 7 * 2]
+    var Wi7l = W[i - 7 * 2 + 1]
+
+    var Wi16h = W[i - 16 * 2]
+    var Wi16l = W[i - 16 * 2 + 1]
+
+    var Wil = (gamma0l + Wi7l) | 0
+    var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0
+    Wil = (Wil + gamma1l) | 0
+    Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0
+    Wil = (Wil + Wi16l) | 0
+    Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0
+
+    W[i] = Wih
+    W[i + 1] = Wil
+  }
+
+  for (var j = 0; j < 160; j += 2) {
+    Wih = W[j]
+    Wil = W[j + 1]
+
+    var majh = maj(ah, bh, ch)
+    var majl = maj(al, bl, cl)
+
+    var sigma0h = sigma0(ah, al)
+    var sigma0l = sigma0(al, ah)
+    var sigma1h = sigma1(eh, el)
+    var sigma1l = sigma1(el, eh)
+
+    // t1 = h + sigma1 + ch + K[j] + W[j]
+    var Kih = K[j]
+    var Kil = K[j + 1]
+
+    var chh = Ch(eh, fh, gh)
+    var chl = Ch(el, fl, gl)
+
+    var t1l = (hl + sigma1l) | 0
+    var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0
+    t1l = (t1l + chl) | 0
+    t1h = (t1h + chh + getCarry(t1l, chl)) | 0
+    t1l = (t1l + Kil) | 0
+    t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0
+    t1l = (t1l + Wil) | 0
+    t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0
+
+    // t2 = sigma0 + maj
+    var t2l = (sigma0l + majl) | 0
+    var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0
+
+    hh = gh
+    hl = gl
+    gh = fh
+    gl = fl
+    fh = eh
+    fl = el
+    el = (dl + t1l) | 0
+    eh = (dh + t1h + getCarry(el, dl)) | 0
+    dh = ch
+    dl = cl
+    ch = bh
+    cl = bl
+    bh = ah
+    bl = al
+    al = (t1l + t2l) | 0
+    ah = (t1h + t2h + getCarry(al, t1l)) | 0
+  }
+
+  this._al = (this._al + al) | 0
+  this._bl = (this._bl + bl) | 0
+  this._cl = (this._cl + cl) | 0
+  this._dl = (this._dl + dl) | 0
+  this._el = (this._el + el) | 0
+  this._fl = (this._fl + fl) | 0
+  this._gl = (this._gl + gl) | 0
+  this._hl = (this._hl + hl) | 0
+
+  this._ah = (this._ah + ah + getCarry(this._al, al)) | 0
+  this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0
+  this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0
+  this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0
+  this._eh = (this._eh + eh + getCarry(this._el, el)) | 0
+  this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0
+  this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0
+  this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0
+}
+
+Sha512.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(64)
+
+  function writeInt64BE (h, l, offset) {
+    H.writeInt32BE(h, offset)
+    H.writeInt32BE(l, offset + 4)
+  }
+
+  writeInt64BE(this._ah, this._al, 0)
+  writeInt64BE(this._bh, this._bl, 8)
+  writeInt64BE(this._ch, this._cl, 16)
+  writeInt64BE(this._dh, this._dl, 24)
+  writeInt64BE(this._eh, this._el, 32)
+  writeInt64BE(this._fh, this._fl, 40)
+  writeInt64BE(this._gh, this._gl, 48)
+  writeInt64BE(this._hh, this._hl, 56)
+
+  return H
+}
+
+module.exports = Sha512
diff --git a/node_modules/sha.js/test/hash.js b/node_modules/sha.js/test/hash.js
new file mode 100644
index 00000000..5fa000d5
--- /dev/null
+++ b/node_modules/sha.js/test/hash.js
@@ -0,0 +1,75 @@
+var tape = require('tape')
+var Hash = require('../hash')
+var hex = '0A1B2C3D4E5F6G7H'
+
+function equal (t, a, b) {
+  t.equal(a.length, b.length)
+  t.equal(a.toString('hex'), b.toString('hex'))
+}
+
+var hexBuf = Buffer.from('0A1B2C3D4E5F6G7H', 'utf8')
+var count16 = {
+  strings: ['0A1B2C3D4E5F6G7H'],
+  buffers: [
+    hexBuf,
+    Buffer.from('80000000000000000000000000000080', 'hex')
+  ]
+}
+
+var empty = {
+  strings: [''],
+  buffers: [
+    Buffer.from('80000000000000000000000000000000', 'hex')
+  ]
+}
+
+var multi = {
+  strings: ['abcd', 'efhijk', 'lmnopq'],
+  buffers: [
+    Buffer.from('abcdefhijklmnopq', 'ascii'),
+    Buffer.from('80000000000000000000000000000080', 'hex')
+  ]
+}
+
+var long = {
+  strings: [hex + hex],
+  buffers: [
+    hexBuf,
+    hexBuf,
+    Buffer.from('80000000000000000000000000000100', 'hex')
+  ]
+}
+
+function makeTest (name, data) {
+  tape(name, function (t) {
+    var h = new Hash(16, 8)
+    var hash = Buffer.alloc(20)
+    var n = 2
+    var expected = data.buffers.slice()
+    // t.plan(expected.length + 1)
+
+    h._update = function (block) {
+      var e = expected.shift()
+      equal(t, block, e)
+
+      if (n < 0) {
+        throw new Error('expecting only 2 calls to _update')
+      }
+    }
+    h._hash = function () {
+      return hash
+    }
+
+    data.strings.forEach(function (string) {
+      h.update(string, 'ascii')
+    })
+
+    equal(t, h.digest(), hash)
+    t.end()
+  })
+}
+
+makeTest('Hash#update 1 in 1', count16)
+makeTest('empty Hash#update', empty)
+makeTest('Hash#update 1 in 3', multi)
+makeTest('Hash#update 2 in 1', long)
diff --git a/node_modules/sha.js/test/test.js b/node_modules/sha.js/test/test.js
new file mode 100644
index 00000000..dac8580b
--- /dev/null
+++ b/node_modules/sha.js/test/test.js
@@ -0,0 +1,100 @@
+var crypto = require('crypto')
+var tape = require('tape')
+var Sha1 = require('../').sha1
+
+var inputs = [
+  ['', 'ascii'],
+  ['abc', 'ascii'],
+  ['123', 'ascii'],
+  ['123456789abcdef123456789abcdef123456789abcdef123456789abcdef', 'ascii'],
+  ['123456789abcdef123456789abcdef123456789abcdef123456789abc', 'ascii'],
+  ['123456789abcdef123456789abcdef123456789abcdef123456789ab', 'ascii'],
+  ['0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcde', 'ascii'],
+  ['0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef', 'ascii'],
+  ['foobarbaz', 'ascii']
+]
+
+tape("hash is the same as node's crypto", function (t) {
+  inputs.forEach(function (v) {
+    var a = new Sha1().update(v[0], v[1]).digest('hex')
+    var e = crypto.createHash('sha1').update(v[0], v[1]).digest('hex')
+    console.log(a, '==', e)
+    t.equal(a, e)
+  })
+
+  t.end()
+})
+
+tape('call update multiple times', function (t) {
+  inputs.forEach(function (v) {
+    var hash = new Sha1()
+    var _hash = crypto.createHash('sha1')
+
+    for (var i = 0; i < v[0].length; i = (i + 1) * 2) {
+      var s = v[0].substring(i, (i + 1) * 2)
+      hash.update(s, v[1])
+      _hash.update(s, v[1])
+    }
+
+    var a = hash.digest('hex')
+    var e = _hash.digest('hex')
+    console.log(a, '==', e)
+    t.equal(a, e)
+  })
+  t.end()
+})
+
+tape('call update twice', function (t) {
+  var _hash = crypto.createHash('sha1')
+  var hash = new Sha1()
+
+  _hash.update('foo', 'ascii')
+  hash.update('foo', 'ascii')
+
+  _hash.update('bar', 'ascii')
+  hash.update('bar', 'ascii')
+
+  _hash.update('baz', 'ascii')
+  hash.update('baz', 'ascii')
+
+  var a = hash.digest('hex')
+  var e = _hash.digest('hex')
+
+  t.equal(a, e)
+  t.end()
+})
+
+tape('hex encoding', function (t) {
+  inputs.forEach(function (v) {
+    var hash = new Sha1()
+    var _hash = crypto.createHash('sha1')
+
+    for (var i = 0; i < v[0].length; i = (i + 1) * 2) {
+      var s = v[0].substring(i, (i + 1) * 2)
+      hash.update(Buffer.from(s, 'ascii').toString('hex'), 'hex')
+      _hash.update(Buffer.from(s, 'ascii').toString('hex'), 'hex')
+    }
+    var a = hash.digest('hex')
+    var e = _hash.digest('hex')
+
+    console.log(a, '==', e)
+    t.equal(a, e)
+  })
+
+  t.end()
+})
+
+tape('call digest for more than MAX_UINT32 bits of data', function (t) {
+  var _hash = crypto.createHash('sha1')
+  var hash = new Sha1()
+  var bigData = Buffer.alloc(0x1ffffffff / 8)
+
+  hash.update(bigData)
+  _hash.update(bigData)
+
+  var a = hash.digest('hex')
+  var e = _hash.digest('hex')
+
+  t.equal(a, e)
+  t.end()
+})
diff --git a/node_modules/sha.js/test/vectors.js b/node_modules/sha.js/test/vectors.js
new file mode 100644
index 00000000..48a646ef
--- /dev/null
+++ b/node_modules/sha.js/test/vectors.js
@@ -0,0 +1,72 @@
+var tape = require('tape')
+var vectors = require('hash-test-vectors')
+// var from = require('bops/typedarray/from')
+var Buffer = require('safe-buffer').Buffer
+
+var createHash = require('../')
+
+function makeTest (alg, i, verbose) {
+  var v = vectors[i]
+
+  tape(alg + ': NIST vector ' + i, function (t) {
+    if (verbose) {
+      console.log(v)
+      console.log('VECTOR', i)
+      console.log('INPUT', v.input)
+      console.log(Buffer.from(v.input, 'base64').toString('hex'))
+    }
+
+    var buf = Buffer.from(v.input, 'base64')
+    t.equal(createHash(alg).update(buf).digest('hex'), v[alg])
+
+    i = ~~(buf.length / 2)
+    var buf1 = buf.slice(0, i)
+    var buf2 = buf.slice(i, buf.length)
+
+    console.log(buf1.length, buf2.length, buf.length)
+    console.log(createHash(alg)._block.length)
+
+    t.equal(
+      createHash(alg)
+        .update(buf1)
+        .update(buf2)
+        .digest('hex'),
+      v[alg]
+    )
+
+    var j, buf3
+
+    i = ~~(buf.length / 3)
+    j = ~~(buf.length * 2 / 3)
+    buf1 = buf.slice(0, i)
+    buf2 = buf.slice(i, j)
+    buf3 = buf.slice(j, buf.length)
+
+    t.equal(
+      createHash(alg)
+        .update(buf1)
+        .update(buf2)
+        .update(buf3)
+        .digest('hex'),
+      v[alg]
+    )
+
+    setTimeout(function () {
+      // avoid "too much recursion" errors in tape in firefox
+      t.end()
+    })
+  })
+}
+
+if (process.argv[2]) {
+  makeTest(process.argv[2], parseInt(process.argv[3], 10), true)
+} else {
+  vectors.forEach(function (v, i) {
+    makeTest('sha', i)
+    makeTest('sha1', i)
+    makeTest('sha224', i)
+    makeTest('sha256', i)
+    makeTest('sha384', i)
+    makeTest('sha512', i)
+  })
+}
diff --git a/node_modules/side-channel-list/.editorconfig b/node_modules/side-channel-list/.editorconfig
new file mode 100644
index 00000000..72e0ebaa
--- /dev/null
+++ b/node_modules/side-channel-list/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 2
+trim_trailing_whitespace = true
diff --git a/node_modules/side-channel-list/.eslintrc b/node_modules/side-channel-list/.eslintrc
new file mode 100644
index 00000000..93978e7d
--- /dev/null
+++ b/node_modules/side-channel-list/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-lines-per-function": 0,
+		"multiline-comment-style": 1,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/node_modules/side-channel-list/.github/FUNDING.yml b/node_modules/side-channel-list/.github/FUNDING.yml
new file mode 100644
index 00000000..eaff7350
--- /dev/null
+++ b/node_modules/side-channel-list/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel-list
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/side-channel-list/.nycrc b/node_modules/side-channel-list/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/side-channel-list/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/side-channel-list/CHANGELOG.md b/node_modules/side-channel-list/CHANGELOG.md
new file mode 100644
index 00000000..2ec51b76
--- /dev/null
+++ b/node_modules/side-channel-list/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## v1.0.0 - 2024-12-10
+
+### Commits
+
+- Initial implementation, tests, readme, types [`5d6baee`](https://github.com/ljharb/side-channel-list/commit/5d6baee5c9054a1238007f5a1dfc109a7a816251)
+- Initial commit [`3ae784c`](https://github.com/ljharb/side-channel-list/commit/3ae784c63a47895fbaeed2a91ab54a8029a7a100)
+- npm init [`07055a4`](https://github.com/ljharb/side-channel-list/commit/07055a4d139895565b199dba5fe2479c1a1b9e28)
+- Only apps should have lockfiles [`9573058`](https://github.com/ljharb/side-channel-list/commit/9573058a47494e2d68f8c6c77b5d7fbe441949c1)
diff --git a/node_modules/side-channel-list/LICENSE b/node_modules/side-channel-list/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/side-channel-list/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/side-channel-list/README.md b/node_modules/side-channel-list/README.md
new file mode 100644
index 00000000..d9c7a137
--- /dev/null
+++ b/node_modules/side-channel-list/README.md
@@ -0,0 +1,62 @@
+# side-channel-list <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Store information about any JS value in a side channel, using a linked list.
+
+Warning: this implementation will leak memory until you `delete` the `key`.
+Use [`side-channel`](https://npmjs.com/side-channel) for the best available strategy.
+
+## Getting started
+
+```sh
+npm install --save side-channel-list
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getSideChannelList = require('side-channel-list');
+
+const channel = getSideChannelList();
+
+const key = {};
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+
+channel.set(key, 42);
+
+channel.assert(key); // does not throw
+assert.equal(channel.has(key), true);
+assert.equal(channel.get(key), 42);
+
+channel.delete(key);
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/side-channel-list
+[npm-version-svg]: https://versionbadg.es/ljharb/side-channel-list.svg
+[deps-svg]: https://david-dm.org/ljharb/side-channel-list.svg
+[deps-url]: https://david-dm.org/ljharb/side-channel-list
+[dev-deps-svg]: https://david-dm.org/ljharb/side-channel-list/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/side-channel-list#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/side-channel-list.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/side-channel-list.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/side-channel-list.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=side-channel-list
+[codecov-image]: https://codecov.io/gh/ljharb/side-channel-list/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/side-channel-list/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/side-channel-list
+[actions-url]: https://github.com/ljharb/side-channel-list/actions
diff --git a/node_modules/side-channel-list/index.d.ts b/node_modules/side-channel-list/index.d.ts
new file mode 100644
index 00000000..c9cabc84
--- /dev/null
+++ b/node_modules/side-channel-list/index.d.ts
@@ -0,0 +1,13 @@
+declare namespace getSideChannelList {
+	type Channel<K, V> = {
+		assert: (key: K) => void;
+		has: (key: K) => boolean;
+		get: (key: K) => V | undefined;
+		set: (key: K, value: V) => void;
+		delete: (key: K) => boolean;
+	};
+}
+
+declare function getSideChannelList<V, K>(): getSideChannelList.Channel<K, V>;
+
+export = getSideChannelList;
diff --git a/node_modules/side-channel-list/index.js b/node_modules/side-channel-list/index.js
new file mode 100644
index 00000000..8d6f98ca
--- /dev/null
+++ b/node_modules/side-channel-list/index.js
@@ -0,0 +1,113 @@
+'use strict';
+
+var inspect = require('object-inspect');
+
+var $TypeError = require('es-errors/type');
+
+/*
+* This function traverses the list returning the node corresponding to the given key.
+*
+* That node is also moved to the head of the list, so that if it's accessed again we don't need to traverse the whole list.
+* By doing so, all the recently used nodes can be accessed relatively quickly.
+*/
+/** @type {import('./list.d.ts').listGetNode} */
+// eslint-disable-next-line consistent-return
+var listGetNode = function (list, key, isDelete) {
+	/** @type {typeof list | NonNullable<(typeof list)['next']>} */
+	var prev = list;
+	/** @type {(typeof list)['next']} */
+	var curr;
+	// eslint-disable-next-line eqeqeq
+	for (; (curr = prev.next) != null; prev = curr) {
+		if (curr.key === key) {
+			prev.next = curr.next;
+			if (!isDelete) {
+				// eslint-disable-next-line no-extra-parens
+				curr.next = /** @type {NonNullable<typeof list.next>} */ (list.next);
+				list.next = curr; // eslint-disable-line no-param-reassign
+			}
+			return curr;
+		}
+	}
+};
+
+/** @type {import('./list.d.ts').listGet} */
+var listGet = function (objects, key) {
+	if (!objects) {
+		return void undefined;
+	}
+	var node = listGetNode(objects, key);
+	return node && node.value;
+};
+/** @type {import('./list.d.ts').listSet} */
+var listSet = function (objects, key, value) {
+	var node = listGetNode(objects, key);
+	if (node) {
+		node.value = value;
+	} else {
+		// Prepend the new node to the beginning of the list
+		objects.next = /** @type {import('./list.d.ts').ListNode<typeof value, typeof key>} */ ({ // eslint-disable-line no-param-reassign, no-extra-parens
+			key: key,
+			next: objects.next,
+			value: value
+		});
+	}
+};
+/** @type {import('./list.d.ts').listHas} */
+var listHas = function (objects, key) {
+	if (!objects) {
+		return false;
+	}
+	return !!listGetNode(objects, key);
+};
+/** @type {import('./list.d.ts').listDelete} */
+// eslint-disable-next-line consistent-return
+var listDelete = function (objects, key) {
+	if (objects) {
+		return listGetNode(objects, key, true);
+	}
+};
+
+/** @type {import('.')} */
+module.exports = function getSideChannelList() {
+	/** @typedef {ReturnType<typeof getSideChannelList>} Channel */
+	/** @typedef {Parameters<Channel['get']>[0]} K */
+	/** @typedef {Parameters<Channel['set']>[1]} V */
+
+	/** @type {import('./list.d.ts').RootNode<V, K> | undefined} */ var $o;
+
+	/** @type {Channel} */
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		'delete': function (key) {
+			var root = $o && $o.next;
+			var deletedNode = listDelete($o, key);
+			if (deletedNode && root && root === deletedNode) {
+				$o = void undefined;
+			}
+			return !!deletedNode;
+		},
+		get: function (key) {
+			return listGet($o, key);
+		},
+		has: function (key) {
+			return listHas($o, key);
+		},
+		set: function (key, value) {
+			if (!$o) {
+				// Initialize the linked list as an empty node, so that we don't have to special-case handling of the first node: we can always refer to it as (previous node).next, instead of something like (list).head
+				$o = {
+					next: void undefined
+				};
+			}
+			// eslint-disable-next-line no-extra-parens
+			listSet(/** @type {NonNullable<typeof $o>} */ ($o), key, value);
+		}
+	};
+	// @ts-expect-error TODO: figure out why this is erroring
+	return channel;
+};
diff --git a/node_modules/side-channel-list/list.d.ts b/node_modules/side-channel-list/list.d.ts
new file mode 100644
index 00000000..2c759e25
--- /dev/null
+++ b/node_modules/side-channel-list/list.d.ts
@@ -0,0 +1,14 @@
+type ListNode<T, K> = {
+	key: K;
+	next: undefined | ListNode<T, K>;
+	value: T;
+};
+type RootNode<T, K> = {
+	next: undefined | ListNode<T, K>;
+};
+
+export function listGetNode<T, K>(list: RootNode<T, K>, key: ListNode<T, K>['key'], isDelete?: boolean): ListNode<T, K> | undefined;
+export function listGet<T, K>(objects: undefined | RootNode<T, K>, key: ListNode<T, K>['key']): T | undefined;
+export function listSet<T, K>(objects: RootNode<T, K>, key: ListNode<T, K>['key'], value: T): void;
+export function listHas<T, K>(objects: undefined | RootNode<T, K>, key: ListNode<T, K>['key']): boolean;
+export function listDelete<T, K>(objects: undefined | RootNode<T, K>, key: ListNode<T, K>['key']): ListNode<T, K> | undefined;
diff --git a/node_modules/side-channel-list/package.json b/node_modules/side-channel-list/package.json
new file mode 100644
index 00000000..ba0f5c58
--- /dev/null
+++ b/node_modules/side-channel-list/package.json
@@ -0,0 +1,77 @@
+{
+	"name": "side-channel-list",
+	"version": "1.0.0",
+	"description": "Store information about any JS value in a side channel, using a linked list",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "./index.d.ts",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel-list.git"
+	},
+	"keywords": [],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel-list/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel-list#readme",
+	"dependencies": {
+		"es-errors": "^1.3.0",
+		"object-inspect": "^1.13.3"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/side-channel-list/test/index.js b/node_modules/side-channel-list/test/index.js
new file mode 100644
index 00000000..3ad43687
--- /dev/null
+++ b/node_modules/side-channel-list/test/index.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannelList = require('../');
+
+test('getSideChannelList', function (t) {
+	t.test('export', function (st) {
+		st.equal(typeof getSideChannelList, 'function', 'is a function');
+
+		st.equal(getSideChannelList.length, 0, 'takes no arguments');
+
+		var channel = getSideChannelList();
+		st.ok(channel, 'is truthy');
+		st.equal(typeof channel, 'object', 'is an object');
+		st.end();
+	});
+
+	t.test('assert', function (st) {
+		var channel = getSideChannelList();
+		st['throws'](
+			function () { channel.assert({}); },
+			TypeError,
+			'nonexistent value throws'
+		);
+
+		var o = {};
+		channel.set(o, 'data');
+		st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+		st.end();
+	});
+
+	t.test('has', function (st) {
+		var channel = getSideChannelList();
+		/** @type {unknown[]} */ var o = [];
+
+		st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+		channel.set(o, 'foo');
+		st.equal(channel.has(o), true, 'existent value yields true');
+
+		st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+		channel.set('abc', 'foo');
+		st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+		st.end();
+	});
+
+	t.test('get', function (st) {
+		var channel = getSideChannelList();
+		var o = {};
+		st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+		var data = {};
+		channel.set(o, data);
+		st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+		st.end();
+	});
+
+	t.test('set', function (st) {
+		var channel = getSideChannelList();
+		var o = function () {};
+		st.equal(channel.get(o), undefined, 'value not set');
+
+		channel.set(o, 42);
+		st.equal(channel.get(o), 42, 'value was set');
+
+		channel.set(o, Infinity);
+		st.equal(channel.get(o), Infinity, 'value was set again');
+
+		var o2 = {};
+		channel.set(o2, 17);
+		st.equal(channel.get(o), Infinity, 'o is not modified');
+		st.equal(channel.get(o2), 17, 'o2 is set');
+
+		channel.set(o, 14);
+		st.equal(channel.get(o), 14, 'o is modified');
+		st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+		st.end();
+	});
+
+	t.test('delete', function (st) {
+		var channel = getSideChannelList();
+		var o = {};
+		st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+		channel.set(o, 42);
+		st.equal(channel.has(o), true, 'value is set');
+
+		st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+		st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+		st.equal(channel.has(o), false, 'value is no longer set');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/side-channel-list/tsconfig.json b/node_modules/side-channel-list/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/side-channel-list/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/side-channel-map/.editorconfig b/node_modules/side-channel-map/.editorconfig
new file mode 100644
index 00000000..72e0ebaa
--- /dev/null
+++ b/node_modules/side-channel-map/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 2
+trim_trailing_whitespace = true
diff --git a/node_modules/side-channel-map/.eslintrc b/node_modules/side-channel-map/.eslintrc
new file mode 100644
index 00000000..93978e7d
--- /dev/null
+++ b/node_modules/side-channel-map/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-lines-per-function": 0,
+		"multiline-comment-style": 1,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/node_modules/side-channel-map/.github/FUNDING.yml b/node_modules/side-channel-map/.github/FUNDING.yml
new file mode 100644
index 00000000..f2891bd6
--- /dev/null
+++ b/node_modules/side-channel-map/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel-map
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/side-channel-map/.nycrc b/node_modules/side-channel-map/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/side-channel-map/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/side-channel-map/CHANGELOG.md b/node_modules/side-channel-map/CHANGELOG.md
new file mode 100644
index 00000000..b6ccea90
--- /dev/null
+++ b/node_modules/side-channel-map/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.1](https://github.com/ljharb/side-channel-map/compare/v1.0.0...v1.0.1) - 2024-12-10
+
+### Commits
+
+- [Deps] update `call-bound` [`6d05aaa`](https://github.com/ljharb/side-channel-map/commit/6d05aaa4ce5f2be4e7825df433d650696f0ba40f)
+- [types] fix generics ordering [`11c0184`](https://github.com/ljharb/side-channel-map/commit/11c0184132ac11fdc16857e12682e148e5e9ee74)
+
+## v1.0.0 - 2024-12-10
+
+### Commits
+
+- Initial implementation, tests, readme, types [`ad877b4`](https://github.com/ljharb/side-channel-map/commit/ad877b42926d46d63fff76a2bd01d2b4a01959a9)
+- Initial commit [`28f8879`](https://github.com/ljharb/side-channel-map/commit/28f8879c512abe8fcf9b6a4dc7754a0287e5eba4)
+- npm init [`2c9604e`](https://github.com/ljharb/side-channel-map/commit/2c9604e5aa40223e425ea7cea78f8a07697504bd)
+- Only apps should have lockfiles [`5e7ba9c`](https://github.com/ljharb/side-channel-map/commit/5e7ba9cffe3ef42095815adc8ac1255b49bbadf5)
diff --git a/node_modules/side-channel-map/LICENSE b/node_modules/side-channel-map/LICENSE
new file mode 100644
index 00000000..f82f3896
--- /dev/null
+++ b/node_modules/side-channel-map/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/side-channel-map/README.md b/node_modules/side-channel-map/README.md
new file mode 100644
index 00000000..8fa6f77f
--- /dev/null
+++ b/node_modules/side-channel-map/README.md
@@ -0,0 +1,62 @@
+# side-channel-map <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Store information about any JS value in a side channel, using a Map.
+
+Warning: if the `key` is an object, this implementation will leak memory until you `delete` it.
+Use [`side-channel`](https://npmjs.com/side-channel) for the best available strategy.
+
+## Getting started
+
+```sh
+npm install --save side-channel-map
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getSideChannelMap = require('side-channel-map');
+
+const channel = getSideChannelMap();
+
+const key = {};
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+
+channel.set(key, 42);
+
+channel.assert(key); // does not throw
+assert.equal(channel.has(key), true);
+assert.equal(channel.get(key), 42);
+
+channel.delete(key);
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/side-channel-map
+[npm-version-svg]: https://versionbadg.es/ljharb/side-channel-map.svg
+[deps-svg]: https://david-dm.org/ljharb/side-channel-map.svg
+[deps-url]: https://david-dm.org/ljharb/side-channel-map
+[dev-deps-svg]: https://david-dm.org/ljharb/side-channel-map/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/side-channel-map#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/side-channel-map.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/side-channel-map.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/side-channel-map.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=side-channel-map
+[codecov-image]: https://codecov.io/gh/ljharb/side-channel-map/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/side-channel-map/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/side-channel-map
+[actions-url]: https://github.com/ljharb/side-channel-map/actions
diff --git a/node_modules/side-channel-map/index.d.ts b/node_modules/side-channel-map/index.d.ts
new file mode 100644
index 00000000..de33e899
--- /dev/null
+++ b/node_modules/side-channel-map/index.d.ts
@@ -0,0 +1,15 @@
+declare namespace getSideChannelMap {
+	type Channel<K, V> = {
+		assert: (key: K) => void;
+		has: (key: K) => boolean;
+		get: (key: K) => V | undefined;
+		set: (key: K, value: V) => void;
+		delete: (key: K) => boolean;
+	};
+}
+
+declare function getSideChannelMap<K, V>(): getSideChannelMap.Channel<K, V>;
+
+declare const x: false | typeof getSideChannelMap;
+
+export = x;
diff --git a/node_modules/side-channel-map/index.js b/node_modules/side-channel-map/index.js
new file mode 100644
index 00000000..e111100b
--- /dev/null
+++ b/node_modules/side-channel-map/index.js
@@ -0,0 +1,68 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var callBound = require('call-bound');
+var inspect = require('object-inspect');
+
+var $TypeError = require('es-errors/type');
+var $Map = GetIntrinsic('%Map%', true);
+
+/** @type {<K, V>(thisArg: Map<K, V>, key: K) => V} */
+var $mapGet = callBound('Map.prototype.get', true);
+/** @type {<K, V>(thisArg: Map<K, V>, key: K, value: V) => void} */
+var $mapSet = callBound('Map.prototype.set', true);
+/** @type {<K, V>(thisArg: Map<K, V>, key: K) => boolean} */
+var $mapHas = callBound('Map.prototype.has', true);
+/** @type {<K, V>(thisArg: Map<K, V>, key: K) => boolean} */
+var $mapDelete = callBound('Map.prototype.delete', true);
+/** @type {<K, V>(thisArg: Map<K, V>) => number} */
+var $mapSize = callBound('Map.prototype.size', true);
+
+/** @type {import('.')} */
+module.exports = !!$Map && /** @type {Exclude<import('.'), false>} */ function getSideChannelMap() {
+	/** @typedef {ReturnType<typeof getSideChannelMap>} Channel */
+	/** @typedef {Parameters<Channel['get']>[0]} K */
+	/** @typedef {Parameters<Channel['set']>[1]} V */
+
+	/** @type {Map<K, V> | undefined} */ var $m;
+
+	/** @type {Channel} */
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		'delete': function (key) {
+			if ($m) {
+				var result = $mapDelete($m, key);
+				if ($mapSize($m) === 0) {
+					$m = void undefined;
+				}
+				return result;
+			}
+			return false;
+		},
+		get: function (key) { // eslint-disable-line consistent-return
+			if ($m) {
+				return $mapGet($m, key);
+			}
+		},
+		has: function (key) {
+			if ($m) {
+				return $mapHas($m, key);
+			}
+			return false;
+		},
+		set: function (key, value) {
+			if (!$m) {
+				// @ts-expect-error TS can't handle narrowing a variable inside a closure
+				$m = new $Map();
+			}
+			$mapSet($m, key, value);
+		}
+	};
+
+	// @ts-expect-error TODO: figure out why TS is erroring here
+	return channel;
+};
diff --git a/node_modules/side-channel-map/package.json b/node_modules/side-channel-map/package.json
new file mode 100644
index 00000000..18e80805
--- /dev/null
+++ b/node_modules/side-channel-map/package.json
@@ -0,0 +1,80 @@
+{
+	"name": "side-channel-map",
+	"version": "1.0.1",
+	"description": "Store information about any JS value in a side channel, using a Map",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "./index.d.ts",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>= 10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel-map.git"
+	},
+	"keywords": [],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel-map/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel-map#readme",
+	"dependencies": {
+		"call-bound": "^1.0.2",
+		"es-errors": "^1.3.0",
+		"get-intrinsic": "^1.2.5",
+		"object-inspect": "^1.13.3"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/get-intrinsic": "^1.2.3",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/side-channel-map/test/index.js b/node_modules/side-channel-map/test/index.js
new file mode 100644
index 00000000..17433239
--- /dev/null
+++ b/node_modules/side-channel-map/test/index.js
@@ -0,0 +1,114 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannelMap = require('../');
+
+test('getSideChannelMap', { skip: typeof Map !== 'function' }, function (t) {
+	var getSideChannel = getSideChannelMap || function () {
+		throw new EvalError('should never happen');
+	};
+
+	t.test('export', function (st) {
+		st.equal(typeof getSideChannel, 'function', 'is a function');
+
+		st.equal(getSideChannel.length, 0, 'takes no arguments');
+
+		var channel = getSideChannel();
+		st.ok(channel, 'is truthy');
+		st.equal(typeof channel, 'object', 'is an object');
+		st.end();
+	});
+
+	t.test('assert', function (st) {
+		var channel = getSideChannel();
+		st['throws'](
+			function () { channel.assert({}); },
+			TypeError,
+			'nonexistent value throws'
+		);
+
+		var o = {};
+		channel.set(o, 'data');
+		st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+		st.end();
+	});
+
+	t.test('has', function (st) {
+		var channel = getSideChannel();
+		/** @type {unknown[]} */ var o = [];
+
+		st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+		channel.set(o, 'foo');
+		st.equal(channel.has(o), true, 'existent value yields true');
+
+		st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+		channel.set('abc', 'foo');
+		st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+		st.end();
+	});
+
+	t.test('get', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+		var data = {};
+		channel.set(o, data);
+		st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+		st.end();
+	});
+
+	t.test('set', function (st) {
+		var channel = getSideChannel();
+		var o = function () {};
+		st.equal(channel.get(o), undefined, 'value not set');
+
+		channel.set(o, 42);
+		st.equal(channel.get(o), 42, 'value was set');
+
+		channel.set(o, Infinity);
+		st.equal(channel.get(o), Infinity, 'value was set again');
+
+		var o2 = {};
+		channel.set(o2, 17);
+		st.equal(channel.get(o), Infinity, 'o is not modified');
+		st.equal(channel.get(o2), 17, 'o2 is set');
+
+		channel.set(o, 14);
+		st.equal(channel.get(o), 14, 'o is modified');
+		st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+		st.end();
+	});
+
+	t.test('delete', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+		channel.set(o, 42);
+		st.equal(channel.has(o), true, 'value is set');
+
+		st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+		st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+		st.equal(channel.has(o), false, 'value is no longer set');
+
+		st.end();
+	});
+
+	t.end();
+});
+
+test('getSideChannelMap, no Maps', { skip: typeof Map === 'function' }, function (t) {
+	t.equal(getSideChannelMap, false, 'is false');
+
+	t.end();
+});
diff --git a/node_modules/side-channel-map/tsconfig.json b/node_modules/side-channel-map/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/side-channel-map/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/side-channel-weakmap/.editorconfig b/node_modules/side-channel-weakmap/.editorconfig
new file mode 100644
index 00000000..72e0ebaa
--- /dev/null
+++ b/node_modules/side-channel-weakmap/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 2
+trim_trailing_whitespace = true
diff --git a/node_modules/side-channel-weakmap/.eslintrc b/node_modules/side-channel-weakmap/.eslintrc
new file mode 100644
index 00000000..9b13ad8b
--- /dev/null
+++ b/node_modules/side-channel-weakmap/.eslintrc
@@ -0,0 +1,12 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": 0,
+		"max-lines-per-function": 0,
+		"multiline-comment-style": 1,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/node_modules/side-channel-weakmap/.github/FUNDING.yml b/node_modules/side-channel-weakmap/.github/FUNDING.yml
new file mode 100644
index 00000000..2ae71cdb
--- /dev/null
+++ b/node_modules/side-channel-weakmap/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel-weakmap
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/side-channel-weakmap/.nycrc b/node_modules/side-channel-weakmap/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/side-channel-weakmap/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/side-channel-weakmap/CHANGELOG.md b/node_modules/side-channel-weakmap/CHANGELOG.md
new file mode 100644
index 00000000..aba7ab04
--- /dev/null
+++ b/node_modules/side-channel-weakmap/CHANGELOG.md
@@ -0,0 +1,28 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/ljharb/side-channel-weakmap/compare/v1.0.1...v1.0.2) - 2024-12-10
+
+### Commits
+
+- [types] fix generics ordering [`1b62e94`](https://github.com/ljharb/side-channel-weakmap/commit/1b62e94a2ad6ed30b640ba73c4a2535836c67289)
+
+## [v1.0.1](https://github.com/ljharb/side-channel-weakmap/compare/v1.0.0...v1.0.1) - 2024-12-10
+
+### Commits
+
+- [types] fix generics ordering [`08a4a5d`](https://github.com/ljharb/side-channel-weakmap/commit/08a4a5dbffedc3ebc79f1aaaf5a3dd6d2196dc1b)
+- [Deps] update `side-channel-map` [`b53fe44`](https://github.com/ljharb/side-channel-weakmap/commit/b53fe447dfdd3a9aebedfd015b384eac17fce916)
+
+## v1.0.0 - 2024-12-10
+
+### Commits
+
+- Initial implementation, tests, readme, types [`53c0fa4`](https://github.com/ljharb/side-channel-weakmap/commit/53c0fa4788435a006f58b9d7b43cb65989ecee49)
+- Initial commit [`a157947`](https://github.com/ljharb/side-channel-weakmap/commit/a157947f26fcaf2c4a941d3a044e76bf67343532)
+- npm init [`54dfc55`](https://github.com/ljharb/side-channel-weakmap/commit/54dfc55bafb16265910d5aad4e743c43aee5bbbb)
+- Only apps should have lockfiles [`0ddd6c7`](https://github.com/ljharb/side-channel-weakmap/commit/0ddd6c7b07fe8ee04d67b2e9f7255af7ce62c07d)
diff --git a/node_modules/side-channel-weakmap/LICENSE b/node_modules/side-channel-weakmap/LICENSE
new file mode 100644
index 00000000..3900dd7e
--- /dev/null
+++ b/node_modules/side-channel-weakmap/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/side-channel-weakmap/README.md b/node_modules/side-channel-weakmap/README.md
new file mode 100644
index 00000000..856ee364
--- /dev/null
+++ b/node_modules/side-channel-weakmap/README.md
@@ -0,0 +1,62 @@
+# side-channel-weakmap <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Store information about any JS value in a side channel. Uses WeakMap if available.
+
+Warning: this implementation will leak memory until you `delete` the `key`.
+Use [`side-channel`](https://npmjs.com/side-channel) for the best available strategy.
+
+## Getting started
+
+```sh
+npm install --save side-channel-weakmap
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getSideChannelList = require('side-channel-weakmap');
+
+const channel = getSideChannelList();
+
+const key = {};
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+
+channel.set(key, 42);
+
+channel.assert(key); // does not throw
+assert.equal(channel.has(key), true);
+assert.equal(channel.get(key), 42);
+
+channel.delete(key);
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/side-channel-weakmap
+[npm-version-svg]: https://versionbadg.es/ljharb/side-channel-weakmap.svg
+[deps-svg]: https://david-dm.org/ljharb/side-channel-weakmap.svg
+[deps-url]: https://david-dm.org/ljharb/side-channel-weakmap
+[dev-deps-svg]: https://david-dm.org/ljharb/side-channel-weakmap/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/side-channel-weakmap#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/side-channel-weakmap.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/side-channel-weakmap.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/side-channel-weakmap.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=side-channel-weakmap
+[codecov-image]: https://codecov.io/gh/ljharb/side-channel-weakmap/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/side-channel-weakmap/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/side-channel-weakmap
+[actions-url]: https://github.com/ljharb/side-channel-weakmap/actions
diff --git a/node_modules/side-channel-weakmap/index.d.ts b/node_modules/side-channel-weakmap/index.d.ts
new file mode 100644
index 00000000..ce1bc2a4
--- /dev/null
+++ b/node_modules/side-channel-weakmap/index.d.ts
@@ -0,0 +1,15 @@
+declare namespace getSideChannelWeakMap {
+	type Channel<K, V> = {
+		assert: (key: K) => void;
+		has: (key: K) => boolean;
+		get: (key: K) => V | undefined;
+		set: (key: K, value: V) => void;
+		delete: (key: K) => boolean;
+	}
+}
+
+declare function getSideChannelWeakMap<K, V>(): getSideChannelWeakMap.Channel<K, V>;
+
+declare const x: false | typeof getSideChannelWeakMap;
+
+export = x;
diff --git a/node_modules/side-channel-weakmap/index.js b/node_modules/side-channel-weakmap/index.js
new file mode 100644
index 00000000..e5b8183d
--- /dev/null
+++ b/node_modules/side-channel-weakmap/index.js
@@ -0,0 +1,84 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var callBound = require('call-bound');
+var inspect = require('object-inspect');
+var getSideChannelMap = require('side-channel-map');
+
+var $TypeError = require('es-errors/type');
+var $WeakMap = GetIntrinsic('%WeakMap%', true);
+
+/** @type {<K extends object, V>(thisArg: WeakMap<K, V>, key: K) => V} */
+var $weakMapGet = callBound('WeakMap.prototype.get', true);
+/** @type {<K extends object, V>(thisArg: WeakMap<K, V>, key: K, value: V) => void} */
+var $weakMapSet = callBound('WeakMap.prototype.set', true);
+/** @type {<K extends object, V>(thisArg: WeakMap<K, V>, key: K) => boolean} */
+var $weakMapHas = callBound('WeakMap.prototype.has', true);
+/** @type {<K extends object, V>(thisArg: WeakMap<K, V>, key: K) => boolean} */
+var $weakMapDelete = callBound('WeakMap.prototype.delete', true);
+
+/** @type {import('.')} */
+module.exports = $WeakMap
+	? /** @type {Exclude<import('.'), false>} */ function getSideChannelWeakMap() {
+		/** @typedef {ReturnType<typeof getSideChannelWeakMap>} Channel */
+		/** @typedef {Parameters<Channel['get']>[0]} K */
+		/** @typedef {Parameters<Channel['set']>[1]} V */
+
+		/** @type {WeakMap<K & object, V> | undefined} */ var $wm;
+		/** @type {Channel | undefined} */ var $m;
+
+		/** @type {Channel} */
+		var channel = {
+			assert: function (key) {
+				if (!channel.has(key)) {
+					throw new $TypeError('Side channel does not contain ' + inspect(key));
+				}
+			},
+			'delete': function (key) {
+				if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+					if ($wm) {
+						return $weakMapDelete($wm, key);
+					}
+				} else if (getSideChannelMap) {
+					if ($m) {
+						return $m['delete'](key);
+					}
+				}
+				return false;
+			},
+			get: function (key) {
+				if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+					if ($wm) {
+						return $weakMapGet($wm, key);
+					}
+				}
+				return $m && $m.get(key);
+			},
+			has: function (key) {
+				if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+					if ($wm) {
+						return $weakMapHas($wm, key);
+					}
+				}
+				return !!$m && $m.has(key);
+			},
+			set: function (key, value) {
+				if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+					if (!$wm) {
+						$wm = new $WeakMap();
+					}
+					$weakMapSet($wm, key, value);
+				} else if (getSideChannelMap) {
+					if (!$m) {
+						$m = getSideChannelMap();
+					}
+					// eslint-disable-next-line no-extra-parens
+					/** @type {NonNullable<typeof $m>} */ ($m).set(key, value);
+				}
+			}
+		};
+
+		// @ts-expect-error TODO: figure out why this is erroring
+		return channel;
+	}
+	: getSideChannelMap;
diff --git a/node_modules/side-channel-weakmap/package.json b/node_modules/side-channel-weakmap/package.json
new file mode 100644
index 00000000..9ef65833
--- /dev/null
+++ b/node_modules/side-channel-weakmap/package.json
@@ -0,0 +1,87 @@
+{
+	"name": "side-channel-weakmap",
+	"version": "1.0.2",
+	"description": "Store information about any JS value in a side channel. Uses WeakMap if available.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "./index.d.ts",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel-weakmap.git"
+	},
+	"keywords": [
+		"weakmap",
+		"map",
+		"side",
+		"channel",
+		"metadata"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel-weakmap/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel-weakmap#readme",
+	"dependencies": {
+		"call-bound": "^1.0.2",
+		"es-errors": "^1.3.0",
+		"get-intrinsic": "^1.2.5",
+		"object-inspect": "^1.13.3",
+		"side-channel-map": "^1.0.1"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/call-bind": "^1.0.5",
+		"@types/get-intrinsic": "^1.2.3",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/side-channel-weakmap/test/index.js b/node_modules/side-channel-weakmap/test/index.js
new file mode 100644
index 00000000..a01248b5
--- /dev/null
+++ b/node_modules/side-channel-weakmap/test/index.js
@@ -0,0 +1,114 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannelWeakMap = require('../');
+
+test('getSideChannelMap', { skip: typeof WeakMap !== 'function' && typeof Map !== 'function' }, function (t) {
+	var getSideChannel = getSideChannelWeakMap || function () {
+		throw new EvalError('should never happen');
+	};
+
+	t.test('export', function (st) {
+		st.equal(typeof getSideChannel, 'function', 'is a function');
+
+		st.equal(getSideChannel.length, 0, 'takes no arguments');
+
+		var channel = getSideChannel();
+		st.ok(channel, 'is truthy');
+		st.equal(typeof channel, 'object', 'is an object');
+		st.end();
+	});
+
+	t.test('assert', function (st) {
+		var channel = getSideChannel();
+		st['throws'](
+			function () { channel.assert({}); },
+			TypeError,
+			'nonexistent value throws'
+		);
+
+		var o = {};
+		channel.set(o, 'data');
+		st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+		st.end();
+	});
+
+	t.test('has', function (st) {
+		var channel = getSideChannel();
+		/** @type {unknown[]} */ var o = [];
+
+		st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+		channel.set(o, 'foo');
+		st.equal(channel.has(o), true, 'existent value yields true');
+
+		st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+		channel.set('abc', 'foo');
+		st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+		st.end();
+	});
+
+	t.test('get', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+		var data = {};
+		channel.set(o, data);
+		st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+		st.end();
+	});
+
+	t.test('set', function (st) {
+		var channel = getSideChannel();
+		var o = function () {};
+		st.equal(channel.get(o), undefined, 'value not set');
+
+		channel.set(o, 42);
+		st.equal(channel.get(o), 42, 'value was set');
+
+		channel.set(o, Infinity);
+		st.equal(channel.get(o), Infinity, 'value was set again');
+
+		var o2 = {};
+		channel.set(o2, 17);
+		st.equal(channel.get(o), Infinity, 'o is not modified');
+		st.equal(channel.get(o2), 17, 'o2 is set');
+
+		channel.set(o, 14);
+		st.equal(channel.get(o), 14, 'o is modified');
+		st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+		st.end();
+	});
+
+	t.test('delete', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+		channel.set(o, 42);
+		st.equal(channel.has(o), true, 'value is set');
+
+		st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+		st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+		st.equal(channel.has(o), false, 'value is no longer set');
+
+		st.end();
+	});
+
+	t.end();
+});
+
+test('getSideChannelMap, no WeakMaps and/or Maps', { skip: typeof WeakMap === 'function' || typeof Map === 'function' }, function (t) {
+	t.equal(getSideChannelWeakMap, false, 'is false');
+
+	t.end();
+});
diff --git a/node_modules/side-channel-weakmap/tsconfig.json b/node_modules/side-channel-weakmap/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/side-channel-weakmap/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/side-channel/.editorconfig b/node_modules/side-channel/.editorconfig
new file mode 100644
index 00000000..72e0ebaa
--- /dev/null
+++ b/node_modules/side-channel/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 2
+trim_trailing_whitespace = true
diff --git a/node_modules/side-channel/.eslintrc b/node_modules/side-channel/.eslintrc
new file mode 100644
index 00000000..9b13ad8b
--- /dev/null
+++ b/node_modules/side-channel/.eslintrc
@@ -0,0 +1,12 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": 0,
+		"max-lines-per-function": 0,
+		"multiline-comment-style": 1,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/node_modules/side-channel/.github/FUNDING.yml b/node_modules/side-channel/.github/FUNDING.yml
new file mode 100644
index 00000000..2a94840c
--- /dev/null
+++ b/node_modules/side-channel/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/side-channel/.nycrc b/node_modules/side-channel/.nycrc
new file mode 100644
index 00000000..1826526e
--- /dev/null
+++ b/node_modules/side-channel/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/side-channel/CHANGELOG.md b/node_modules/side-channel/CHANGELOG.md
new file mode 100644
index 00000000..58e378c7
--- /dev/null
+++ b/node_modules/side-channel/CHANGELOG.md
@@ -0,0 +1,110 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.0](https://github.com/ljharb/side-channel/compare/v1.0.6...v1.1.0) - 2024-12-11
+
+### Commits
+
+- [Refactor] extract implementations to `side-channel-weakmap`, `side-channel-map`, `side-channel-list` [`ada5955`](https://github.com/ljharb/side-channel/commit/ada595549a5c4c6c853756d598846b180941c6da)
+- [New] add `channel.delete` [`c01d2d3`](https://github.com/ljharb/side-channel/commit/c01d2d3fd51dbb1ce6da72ad7916e61bd6172aad)
+- [types] improve types [`0c54356`](https://github.com/ljharb/side-channel/commit/0c5435651417df41b8cc1a5f7cdce8bffae68cde)
+- [readme] add content [`be24868`](https://github.com/ljharb/side-channel/commit/be248682ac294b0e22c883092c45985aa91c490a)
+- [actions] split out node 10-20, and 20+ [`c4488e2`](https://github.com/ljharb/side-channel/commit/c4488e241ef3d49a19fe266ac830a2e644305911)
+- [types] use shared tsconfig [`0e0d57c`](https://github.com/ljharb/side-channel/commit/0e0d57c2ff17c7b45c6cbd43ebcf553edc9e3adc)
+- [Dev Deps] update `@ljharb/eslint-config`, `@ljharb/tsconfig`, `@types/get-intrinsic`, `@types/object-inspect`, `@types/tape`, `auto-changelog`, `tape` [`fb4f622`](https://github.com/ljharb/side-channel/commit/fb4f622e64a99a1e40b6e5cd7691674a9dc429e4)
+- [Deps] update `call-bind`, `get-intrinsic`, `object-inspect` [`b78336b`](https://github.com/ljharb/side-channel/commit/b78336b886172d1b457d414ac9e28de8c5fecc78)
+- [Tests] replace `aud` with `npm audit` [`ee3ab46`](https://github.com/ljharb/side-channel/commit/ee3ab4690d954311c35115651bcfd45edd205aa1)
+- [Dev Deps] add missing peer dep [`c03e21a`](https://github.com/ljharb/side-channel/commit/c03e21a7def3b67cdc15ae22316884fefcb2f6a8)
+
+## [v1.0.6](https://github.com/ljharb/side-channel/compare/v1.0.5...v1.0.6) - 2024-02-29
+
+### Commits
+
+- add types [`9beef66`](https://github.com/ljharb/side-channel/commit/9beef6643e6d717ea57bedabf86448123a7dd9e9)
+- [meta] simplify `exports` [`4334cf9`](https://github.com/ljharb/side-channel/commit/4334cf9df654151504c383b62a2f9ebdc8d9d5ac)
+- [Deps] update `call-bind` [`d6043c4`](https://github.com/ljharb/side-channel/commit/d6043c4d8f4d7be9037dd0f0419c7a2e0e39ec6a)
+- [Dev Deps] update `tape` [`6aca376`](https://github.com/ljharb/side-channel/commit/6aca3761868dc8cd5ff7fd9799bf6b95e09a6eb0)
+
+## [v1.0.5](https://github.com/ljharb/side-channel/compare/v1.0.4...v1.0.5) - 2024-02-06
+
+### Commits
+
+- [actions] reuse common workflows [`3d2e1ff`](https://github.com/ljharb/side-channel/commit/3d2e1ffd16dd6eaaf3e40ff57951f840d2d63c04)
+- [meta] use `npmignore` to autogenerate an npmignore file [`04296ea`](https://github.com/ljharb/side-channel/commit/04296ea17d1544b0a5d20fd5bfb31aa4f6513eb9)
+- [meta] add `.editorconfig`; add `eclint` [`130f0a6`](https://github.com/ljharb/side-channel/commit/130f0a6adbc04d385c7456a601d38344dce3d6a9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `safe-publish-latest`, `tape` [`d480c2f`](https://github.com/ljharb/side-channel/commit/d480c2fbe757489ae9b4275491ffbcc3ac4725e9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`ecbe70e`](https://github.com/ljharb/side-channel/commit/ecbe70e53a418234081a77971fec1fdfae20c841)
+- [actions] update rebase action [`75240b9`](https://github.com/ljharb/side-channel/commit/75240b9963b816e8846400d2287cb68f88c7fba7)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `npmignore`, `tape` [`ae8d281`](https://github.com/ljharb/side-channel/commit/ae8d281572430099109870fd9430d2ca3f320b8d)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`7125b88`](https://github.com/ljharb/side-channel/commit/7125b885fd0eacad4fee9b073b72d14065ece278)
+- [Deps] update `call-bind`, `get-intrinsic`, `object-inspect` [`82577c9`](https://github.com/ljharb/side-channel/commit/82577c9796304519139a570f82a317211b5f3b86)
+- [Deps] update `call-bind`, `get-intrinsic`, `object-inspect` [`550aadf`](https://github.com/ljharb/side-channel/commit/550aadf20475a6081fd70304cc54f77259a5c8a8)
+- [Tests] increase coverage [`5130877`](https://github.com/ljharb/side-channel/commit/5130877a7b27c862e64e6d1c12a178b28808859d)
+- [Deps] update `get-intrinsic`, `object-inspect` [`ba0194c`](https://github.com/ljharb/side-channel/commit/ba0194c505b1a8a0427be14cadd5b8a46d4d01b8)
+- [meta] add missing `engines.node` [`985fd24`](https://github.com/ljharb/side-channel/commit/985fd249663cb06617a693a94fe08cad12f5cb70)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`40227a8`](https://github.com/ljharb/side-channel/commit/40227a87b01709ad2c0eebf87eb4223a800099b9)
+- [Deps] update `get-intrinsic` [`a989b40`](https://github.com/ljharb/side-channel/commit/a989b4024958737ae7be9fbffdeff2078f33a0fd)
+- [Deps] update `object-inspect` [`aec42d2`](https://github.com/ljharb/side-channel/commit/aec42d2ec541a31aaa02475692c87d489237d9a3)
+
+## [v1.0.4](https://github.com/ljharb/side-channel/compare/v1.0.3...v1.0.4) - 2020-12-29
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`10909cb`](https://github.com/ljharb/side-channel/commit/10909cbf8ce9c0bf96f604cf13d7ffd5a22c2d40)
+- [Refactor] Use a linked list rather than an array, and move accessed nodes to the beginning [`195613f`](https://github.com/ljharb/side-channel/commit/195613f28b5c1e6072ef0b61b5beebaf2b6a304e)
+- [meta] do not publish github action workflow files [`290ec29`](https://github.com/ljharb/side-channel/commit/290ec29cd21a60585145b4a7237ec55228c52c27)
+- [Tests] run `nyc` on all tests; use `tape` runner [`ea6d030`](https://github.com/ljharb/side-channel/commit/ea6d030ff3fe6be2eca39e859d644c51ecd88869)
+- [actions] add "Allow Edits" workflow [`d464d8f`](https://github.com/ljharb/side-channel/commit/d464d8fe52b5eddf1504a0ed97f0941a90f32c15)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog` [`02daca8`](https://github.com/ljharb/side-channel/commit/02daca87c6809821c97be468d1afa2f5ef447383)
+- [Refactor] use `call-bind` and `get-intrinsic` instead of `es-abstract` [`e09d481`](https://github.com/ljharb/side-channel/commit/e09d481528452ebafa5cdeae1af665c35aa2deee)
+- [Deps] update `object.assign` [`ee83aa8`](https://github.com/ljharb/side-channel/commit/ee83aa81df313b5e46319a63adb05cf0c179079a)
+- [actions] update rebase action to use checkout v2 [`7726b0b`](https://github.com/ljharb/side-channel/commit/7726b0b058b632fccea709f58960871defaaa9d7)
+
+## [v1.0.3](https://github.com/ljharb/side-channel/compare/v1.0.2...v1.0.3) - 2020-08-23
+
+### Commits
+
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`1f10561`](https://github.com/ljharb/side-channel/commit/1f105611ef3acf32dec8032ae5c0baa5e56bb868)
+- [Deps] update `es-abstract`, `object-inspect` [`bc20159`](https://github.com/ljharb/side-channel/commit/bc201597949a505e37cef9eaf24c7010831e6f03)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`b9b2b22`](https://github.com/ljharb/side-channel/commit/b9b2b225f9e0ea72a6ec2b89348f0bd690bc9ed1)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`7055ab4`](https://github.com/ljharb/side-channel/commit/7055ab4de0860606efd2003674a74f1fe6ebc07e)
+- [Dev Deps] update `auto-changelog`; add `aud` [`d278c37`](https://github.com/ljharb/side-channel/commit/d278c37d08227be4f84aa769fcd919e73feeba40)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`3bcf982`](https://github.com/ljharb/side-channel/commit/3bcf982faa122745b39c33ce83d32fdf003741c6)
+- [Tests] only audit prod deps [`18d01c4`](https://github.com/ljharb/side-channel/commit/18d01c4015b82a3d75044c4d5ba7917b2eac01ec)
+- [Deps] update `es-abstract` [`6ab096d`](https://github.com/ljharb/side-channel/commit/6ab096d9de2b482cf5e0717e34e212f5b2b9bc9a)
+- [Dev Deps] update `tape` [`9dc174c`](https://github.com/ljharb/side-channel/commit/9dc174cc651dfd300b4b72da936a0a7eda5f9452)
+- [Deps] update `es-abstract` [`431d0f0`](https://github.com/ljharb/side-channel/commit/431d0f0ff11fbd2ae6f3115582a356d3a1cfce82)
+- [Deps] update `es-abstract` [`49869fd`](https://github.com/ljharb/side-channel/commit/49869fd323bf4453f0ba515c0fb265cf5ab7b932)
+- [meta] Add package.json to package's exports [`77d9cdc`](https://github.com/ljharb/side-channel/commit/77d9cdceb2a9e47700074f2ae0c0a202e7dac0d4)
+
+## [v1.0.2](https://github.com/ljharb/side-channel/compare/v1.0.1...v1.0.2) - 2019-12-20
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`4a526df`](https://github.com/ljharb/side-channel/commit/4a526df44e4701566ed001ec78546193f818b082)
+- [Deps] update `es-abstract` [`d4f6e62`](https://github.com/ljharb/side-channel/commit/d4f6e629b6fb93a07415db7f30d3c90fd7f264fe)
+
+## [v1.0.1](https://github.com/ljharb/side-channel/compare/v1.0.0...v1.0.1) - 2019-12-01
+
+### Commits
+
+- [Fix] add missing "exports" [`d212907`](https://github.com/ljharb/side-channel/commit/d2129073abf0701a5343bf28aa2145617604dc2e)
+
+## v1.0.0 - 2019-12-01
+
+### Commits
+
+- Initial implementation [`dbebd3a`](https://github.com/ljharb/side-channel/commit/dbebd3a4b5ed64242f9a6810efe7c4214cd8cde4)
+- Initial tests [`73bdefe`](https://github.com/ljharb/side-channel/commit/73bdefe568c9076cf8c0b8719bc2141aec0e19b8)
+- Initial commit [`43c03e1`](https://github.com/ljharb/side-channel/commit/43c03e1c2849ec50a87b7a5cd76238a62b0b8770)
+- npm init [`5c090a7`](https://github.com/ljharb/side-channel/commit/5c090a765d66a5527d9889b89aeff78dee91348c)
+- [meta] add `auto-changelog` [`a5c4e56`](https://github.com/ljharb/side-channel/commit/a5c4e5675ec02d5eb4d84b4243aeea2a1d38fbec)
+- [actions] add automatic rebasing / merge commit blocking [`bab1683`](https://github.com/ljharb/side-channel/commit/bab1683d8f9754b086e94397699fdc645e0d7077)
+- [meta] add `funding` field; create FUNDING.yml [`63d7aea`](https://github.com/ljharb/side-channel/commit/63d7aeaf34f5650650ae97ca4b9fae685bd0937c)
+- [Tests] add `npm run lint` [`46a5a81`](https://github.com/ljharb/side-channel/commit/46a5a81705cd2664f83df232c01dbbf2ee952885)
+- Only apps should have lockfiles [`8b16b03`](https://github.com/ljharb/side-channel/commit/8b16b0305f00895d90c4e2e5773c854cfea0e448)
+- [meta] add `safe-publish-latest` [`2f098ef`](https://github.com/ljharb/side-channel/commit/2f098ef092a39399cfe548b19a1fc03c2fd2f490)
diff --git a/node_modules/side-channel/LICENSE b/node_modules/side-channel/LICENSE
new file mode 100644
index 00000000..3900dd7e
--- /dev/null
+++ b/node_modules/side-channel/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/side-channel/README.md b/node_modules/side-channel/README.md
new file mode 100644
index 00000000..cc7e1035
--- /dev/null
+++ b/node_modules/side-channel/README.md
@@ -0,0 +1,61 @@
+# side-channel <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Store information about any JS value in a side channel. Uses WeakMap if available.
+
+Warning: in an environment that lacks `WeakMap`, this implementation will leak memory until you `delete` the `key`.
+
+## Getting started
+
+```sh
+npm install --save side-channel
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const getSideChannel = require('side-channel');
+
+const channel = getSideChannel();
+
+const key = {};
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+
+channel.set(key, 42);
+
+channel.assert(key); // does not throw
+assert.equal(channel.has(key), true);
+assert.equal(channel.get(key), 42);
+
+channel.delete(key);
+assert.equal(channel.has(key), false);
+assert.throws(() => channel.assert(key), TypeError);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/side-channel
+[npm-version-svg]: https://versionbadg.es/ljharb/side-channel.svg
+[deps-svg]: https://david-dm.org/ljharb/side-channel.svg
+[deps-url]: https://david-dm.org/ljharb/side-channel
+[dev-deps-svg]: https://david-dm.org/ljharb/side-channel/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/side-channel#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/side-channel.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/side-channel.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/side-channel.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=side-channel
+[codecov-image]: https://codecov.io/gh/ljharb/side-channel/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/side-channel/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/side-channel
+[actions-url]: https://github.com/ljharb/side-channel/actions
diff --git a/node_modules/side-channel/index.d.ts b/node_modules/side-channel/index.d.ts
new file mode 100644
index 00000000..18c63171
--- /dev/null
+++ b/node_modules/side-channel/index.d.ts
@@ -0,0 +1,14 @@
+import getSideChannelList from 'side-channel-list';
+import getSideChannelMap from 'side-channel-map';
+import getSideChannelWeakMap from 'side-channel-weakmap';
+
+declare namespace getSideChannel {
+	type Channel<K, V> =
+		| getSideChannelList.Channel<K, V>
+		| ReturnType<Exclude<typeof getSideChannelMap<K, V>, false>>
+		| ReturnType<Exclude<typeof getSideChannelWeakMap<K, V>, false>>;
+}
+
+declare function getSideChannel<K, V>(): getSideChannel.Channel<K, V>;
+
+export = getSideChannel;
diff --git a/node_modules/side-channel/index.js b/node_modules/side-channel/index.js
new file mode 100644
index 00000000..a8a9b055
--- /dev/null
+++ b/node_modules/side-channel/index.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+var inspect = require('object-inspect');
+var getSideChannelList = require('side-channel-list');
+var getSideChannelMap = require('side-channel-map');
+var getSideChannelWeakMap = require('side-channel-weakmap');
+
+var makeChannel = getSideChannelWeakMap || getSideChannelMap || getSideChannelList;
+
+/** @type {import('.')} */
+module.exports = function getSideChannel() {
+	/** @typedef {ReturnType<typeof getSideChannel>} Channel */
+
+	/** @type {Channel | undefined} */ var $channelData;
+
+	/** @type {Channel} */
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		'delete': function (key) {
+			return !!$channelData && $channelData['delete'](key);
+		},
+		get: function (key) {
+			return $channelData && $channelData.get(key);
+		},
+		has: function (key) {
+			return !!$channelData && $channelData.has(key);
+		},
+		set: function (key, value) {
+			if (!$channelData) {
+				$channelData = makeChannel();
+			}
+
+			$channelData.set(key, value);
+		}
+	};
+	// @ts-expect-error TODO: figure out why this is erroring
+	return channel;
+};
diff --git a/node_modules/side-channel/package.json b/node_modules/side-channel/package.json
new file mode 100644
index 00000000..30fa42cd
--- /dev/null
+++ b/node_modules/side-channel/package.json
@@ -0,0 +1,85 @@
+{
+	"name": "side-channel",
+	"version": "1.1.0",
+	"description": "Store information about any JS value in a side channel. Uses WeakMap if available.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "./index.d.ts",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx npm@'>=10.2' audit --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel.git"
+	},
+	"keywords": [
+		"weakmap",
+		"map",
+		"side",
+		"channel",
+		"metadata"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel#readme",
+	"dependencies": {
+		"es-errors": "^1.3.0",
+		"object-inspect": "^1.13.3",
+		"side-channel-list": "^1.0.0",
+		"side-channel-map": "^1.0.1",
+		"side-channel-weakmap": "^1.0.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.17.1",
+		"@ljharb/eslint-config": "^21.1.1",
+		"@ljharb/tsconfig": "^0.2.2",
+		"@types/object-inspect": "^1.13.0",
+		"@types/tape": "^5.6.5",
+		"auto-changelog": "^2.5.0",
+		"eclint": "^2.8.1",
+		"encoding": "^0.1.13",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.9.0",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/node_modules/side-channel/test/index.js b/node_modules/side-channel/test/index.js
new file mode 100644
index 00000000..bd1e7c2a
--- /dev/null
+++ b/node_modules/side-channel/test/index.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannel = require('../');
+
+test('getSideChannel', function (t) {
+	t.test('export', function (st) {
+		st.equal(typeof getSideChannel, 'function', 'is a function');
+
+		st.equal(getSideChannel.length, 0, 'takes no arguments');
+
+		var channel = getSideChannel();
+		st.ok(channel, 'is truthy');
+		st.equal(typeof channel, 'object', 'is an object');
+		st.end();
+	});
+
+	t.test('assert', function (st) {
+		var channel = getSideChannel();
+		st['throws'](
+			function () { channel.assert({}); },
+			TypeError,
+			'nonexistent value throws'
+		);
+
+		var o = {};
+		channel.set(o, 'data');
+		st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+		st.end();
+	});
+
+	t.test('has', function (st) {
+		var channel = getSideChannel();
+		/** @type {unknown[]} */ var o = [];
+
+		st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+		channel.set(o, 'foo');
+		st.equal(channel.has(o), true, 'existent value yields true');
+
+		st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+		channel.set('abc', 'foo');
+		st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+		st.end();
+	});
+
+	t.test('get', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+		var data = {};
+		channel.set(o, data);
+		st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+		st.end();
+	});
+
+	t.test('set', function (st) {
+		var channel = getSideChannel();
+		var o = function () {};
+		st.equal(channel.get(o), undefined, 'value not set');
+
+		channel.set(o, 42);
+		st.equal(channel.get(o), 42, 'value was set');
+
+		channel.set(o, Infinity);
+		st.equal(channel.get(o), Infinity, 'value was set again');
+
+		var o2 = {};
+		channel.set(o2, 17);
+		st.equal(channel.get(o), Infinity, 'o is not modified');
+		st.equal(channel.get(o2), 17, 'o2 is set');
+
+		channel.set(o, 14);
+		st.equal(channel.get(o), 14, 'o is modified');
+		st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+		st.end();
+	});
+
+	t.test('delete', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+		channel.set(o, 42);
+		st.equal(channel.has(o), true, 'value is set');
+
+		st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+		st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+		st.equal(channel.has(o), false, 'value is no longer set');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/side-channel/tsconfig.json b/node_modules/side-channel/tsconfig.json
new file mode 100644
index 00000000..d9a6668c
--- /dev/null
+++ b/node_modules/side-channel/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/node_modules/snapdragon-node/LICENSE b/node_modules/snapdragon-node/LICENSE
new file mode 100644
index 00000000..9a1c8567
--- /dev/null
+++ b/node_modules/snapdragon-node/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon-node/README.md b/node_modules/snapdragon-node/README.md
new file mode 100644
index 00000000..2300a3cd
--- /dev/null
+++ b/node_modules/snapdragon-node/README.md
@@ -0,0 +1,453 @@
+# snapdragon-node [![NPM version](https://img.shields.io/npm/v/snapdragon-node.svg?style=flat)](https://www.npmjs.com/package/snapdragon-node) [![NPM monthly downloads](https://img.shields.io/npm/dm/snapdragon-node.svg?style=flat)](https://npmjs.org/package/snapdragon-node) [![NPM total downloads](https://img.shields.io/npm/dt/snapdragon-node.svg?style=flat)](https://npmjs.org/package/snapdragon-node) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/snapdragon-node.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/snapdragon-node)
+
+> Snapdragon utility for creating a new AST node in custom code, such as plugins.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save snapdragon-node
+```
+
+## Usage
+
+With [snapdragon](https://github.com/jonschlinkert/snapdragon) v0.9.0 and higher you can use `this.node()` to create a new `Node`, whenever it makes sense.
+
+```js
+var Node = require('snapdragon-node');
+var Snapdragon = require('snapdragon');
+var snapdragon = new Snapdragon();
+
+// example usage inside a parser visitor function
+snapdragon.parser.set('foo', function() {
+  // get the current "start" position
+  var pos = this.position();
+
+  // returns the match if regex matches the substring 
+  // at the current position on `parser.input`
+  var match = this.match(/foo/);
+  if (match) {
+    // call "pos" on the node, to set the start and end 
+    // positions, and return the node to push it onto the AST
+    // (snapdragon will push the node onto the correct
+    // nodes array, based on the stack)
+    return pos(new Node({type: 'bar', val: match[0]}));
+  }
+});
+```
+
+## API
+
+### [Node](index.js#L22)
+
+Create a new AST `Node` with the given `val` and `type`.
+
+**Params**
+
+* `val` **{String|Object}**: Pass a matched substring, or an object to merge onto the node.
+* `type` **{String}**: The node type to use when `val` is a string.
+* `returns` **{Object}**: node instance
+
+**Example**
+
+```js
+var node = new Node('*', 'Star');
+var node = new Node({type: 'star', val: '*'});
+```
+
+### [.isNode](index.js#L61)
+
+Returns true if the given value is a node.
+
+**Params**
+
+* `node` **{Object}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var node = new Node({type: 'foo'});
+console.log(Node.isNode(node)); //=> true
+console.log(Node.isNode({})); //=> false
+```
+
+### [.define](index.js#L80)
+
+Define a non-enumberable property on the node instance. Useful for adding properties that shouldn't be extended or visible during debugging.
+
+**Params**
+
+* `name` **{String}**
+* `val` **{any}**
+* `returns` **{Object}**: returns the node instance
+
+**Example**
+
+```js
+var node = new Node();
+node.define('foo', 'something non-enumerable');
+```
+
+### [.isEmpty](index.js#L100)
+
+Returns true if `node.val` is an empty string, or `node.nodes` does not contain any non-empty text nodes.
+
+**Params**
+
+* `fn` **{Function}**: (optional) Filter function that is called on `node` and/or child nodes. `isEmpty` will return false immediately when the filter function returns false on any nodes.
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var node = new Node({type: 'text'});
+node.isEmpty(); //=> true
+node.val = 'foo';
+node.isEmpty(); //=> false
+```
+
+### [.push](index.js#L118)
+
+Given node `foo` and node `bar`, push node `bar` onto `foo.nodes`, and set `foo` as `bar.parent`.
+
+**Params**
+
+* `node` **{Object}**
+* `returns` **{Number}**: Returns the length of `node.nodes`
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+foo.push(bar);
+```
+
+### [.unshift](index.js#L140)
+
+Given node `foo` and node `bar`, unshift node `bar` onto `foo.nodes`, and set `foo` as `bar.parent`.
+
+**Params**
+
+* `node` **{Object}**
+* `returns` **{Number}**: Returns the length of `node.nodes`
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+foo.unshift(bar);
+```
+
+### [.pop](index.js#L167)
+
+Pop a node from `node.nodes`.
+
+* `returns` **{Number}**: Returns the popped `node`
+
+**Example**
+
+```js
+var node = new Node({type: 'foo'});
+node.push(new Node({type: 'a'}));
+node.push(new Node({type: 'b'}));
+node.push(new Node({type: 'c'}));
+node.push(new Node({type: 'd'}));
+console.log(node.nodes.length);
+//=> 4
+node.pop();
+console.log(node.nodes.length);
+//=> 3
+```
+
+### [.shift](index.js#L190)
+
+Shift a node from `node.nodes`.
+
+* `returns` **{Object}**: Returns the shifted `node`
+
+**Example**
+
+```js
+var node = new Node({type: 'foo'});
+node.push(new Node({type: 'a'}));
+node.push(new Node({type: 'b'}));
+node.push(new Node({type: 'c'}));
+node.push(new Node({type: 'd'}));
+console.log(node.nodes.length);
+//=> 4
+node.shift();
+console.log(node.nodes.length);
+//=> 3
+```
+
+### [.remove](index.js#L205)
+
+Remove `node` from `node.nodes`.
+
+**Params**
+
+* `node` **{Object}**
+* `returns` **{Object}**: Returns the removed node.
+
+**Example**
+
+```js
+node.remove(childNode);
+```
+
+### [.find](index.js#L231)
+
+Get the first child node from `node.nodes` that matches the given `type`. If `type` is a number, the child node at that index is returned.
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Object}**: Returns a child node or undefined.
+
+**Example**
+
+```js
+var child = node.find(1); //<= index of the node to get
+var child = node.find('foo'); //<= node.type of a child node
+var child = node.find(/^(foo|bar)$/); //<= regex to match node.type
+var child = node.find(['foo', 'bar']); //<= array of node.type(s)
+```
+
+### [.isType](index.js#L249)
+
+Return true if the node is the given `type`.
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var node = new Node({type: 'bar'});
+cosole.log(node.isType('foo'));          // false
+cosole.log(node.isType(/^(foo|bar)$/));  // true
+cosole.log(node.isType(['foo', 'bar'])); // true
+```
+
+### [.hasType](index.js#L270)
+
+Return true if the `node.nodes` has the given `type`.
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+foo.push(bar);
+
+cosole.log(foo.hasType('qux'));          // false
+cosole.log(foo.hasType(/^(qux|bar)$/));  // true
+cosole.log(foo.hasType(['qux', 'bar'])); // true
+```
+
+* `returns` **{Array}**
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+foo.push(bar);
+foo.push(baz);
+
+console.log(bar.siblings.length) // 2
+console.log(baz.siblings.length) // 2
+```
+
+* `returns` **{Number}**
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+var qux = new Node({type: 'qux'});
+foo.push(bar);
+foo.push(baz);
+foo.unshift(qux);
+
+console.log(bar.index) // 1
+console.log(baz.index) // 2
+console.log(qux.index) // 0
+```
+
+* `returns` **{Object}**
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+foo.push(bar);
+foo.push(baz);
+
+console.log(baz.prev.type) // 'bar'
+```
+
+* `returns` **{Object}**
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+foo.push(bar);
+foo.push(baz);
+
+console.log(bar.siblings.length) // 2
+console.log(baz.siblings.length) // 2
+```
+
+* `returns` **{Object}**: The first node, or undefiend
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+var qux = new Node({type: 'qux'});
+foo.push(bar);
+foo.push(baz);
+foo.push(qux);
+
+console.log(foo.first.type) // 'bar'
+```
+
+* `returns` **{Object}**: The last node, or undefiend
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+var qux = new Node({type: 'qux'});
+foo.push(bar);
+foo.push(baz);
+foo.push(qux);
+
+console.log(foo.last.type) // 'qux'
+```
+
+* `returns` **{Object}**: The last node, or undefiend
+
+**Example**
+
+```js
+var foo = new Node({type: 'foo'});
+var bar = new Node({type: 'bar'});
+var baz = new Node({type: 'baz'});
+var qux = new Node({type: 'qux'});
+foo.push(bar);
+foo.push(baz);
+foo.push(qux);
+
+console.log(foo.last.type) // 'qux'
+```
+
+## Release history
+
+Changelog entries are classified using the following labels from [keep-a-changelog](https://github.com/olivierlacan/keep-a-changelog):
+
+* `added`: for new features
+* `changed`: for changes in existing functionality
+* `deprecated`: for once-stable features removed in upcoming releases
+* `removed`: for deprecated features removed in this release
+* `fixed`: for any bug fixes
+
+Custom labels used in this changelog:
+
+* `dependencies`: bumps dependencies
+* `housekeeping`: code re-organization, minor edits, or other changes that don't fit in one of the other categories.
+
+### [2.0.0] - 2017-05-01
+
+**Changed**
+
+* `.unshiftNode` was renamed to [.unshift](#unshift)
+* `.pushNode` was renamed to [.push](#push)
+* `.getNode` was renamed to [.find](#find)
+
+**Added**
+
+* [.isNode](#isNode)
+* [.isEmpty](#isEmpty)
+* [.pop](#pop)
+* [.shift](#shift)
+* [.remove](#remove)
+
+### [0.1.0]
+
+First release.
+
+## About
+
+### Related projects
+
+* [breakdance](https://www.npmjs.com/package/breakdance): Breakdance is a node.js library for converting HTML to markdown. Highly pluggable, flexible and easy… [more](http://breakdance.io) | [homepage](http://breakdance.io "Breakdance is a node.js library for converting HTML to markdown. Highly pluggable, flexible and easy to use. It's time for your markup to get down.")
+* [snapdragon-capture](https://www.npmjs.com/package/snapdragon-capture): Snapdragon plugin that adds a capture method to the parser instance. | [homepage](https://github.com/jonschlinkert/snapdragon-capture "Snapdragon plugin that adds a capture method to the parser instance.")
+* [snapdragon-cheerio](https://www.npmjs.com/package/snapdragon-cheerio): Snapdragon plugin for converting a cheerio AST to a snapdragon AST. | [homepage](https://github.com/jonschlinkert/snapdragon-cheerio "Snapdragon plugin for converting a cheerio AST to a snapdragon AST.")
+* [snapdragon-util](https://www.npmjs.com/package/snapdragon-util): Utilities for the snapdragon parser/compiler. | [homepage](https://github.com/jonschlinkert/snapdragon-util "Utilities for the snapdragon parser/compiler.")
+* [snapdragon](https://www.npmjs.com/package/snapdragon): Easy-to-use plugin system for creating powerful, fast and versatile parsers and compilers, with built-in source-map… [more](https://github.com/jonschlinkert/snapdragon) | [homepage](https://github.com/jonschlinkert/snapdragon "Easy-to-use plugin system for creating powerful, fast and versatile parsers and compilers, with built-in source-map support.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 25, 2017._
\ No newline at end of file
diff --git a/node_modules/snapdragon-node/index.js b/node_modules/snapdragon-node/index.js
new file mode 100644
index 00000000..0f66ff5a
--- /dev/null
+++ b/node_modules/snapdragon-node/index.js
@@ -0,0 +1,492 @@
+'use strict';
+
+var isObject = require('isobject');
+var define = require('define-property');
+var utils = require('snapdragon-util');
+var ownNames;
+
+/**
+ * Create a new AST `Node` with the given `val` and `type`.
+ *
+ * ```js
+ * var node = new Node('*', 'Star');
+ * var node = new Node({type: 'star', val: '*'});
+ * ```
+ * @name Node
+ * @param {String|Object} `val` Pass a matched substring, or an object to merge onto the node.
+ * @param {String} `type` The node type to use when `val` is a string.
+ * @return {Object} node instance
+ * @api public
+ */
+
+function Node(val, type, parent) {
+  if (typeof type !== 'string') {
+    parent = type;
+    type = null;
+  }
+
+  define(this, 'parent', parent);
+  define(this, 'isNode', true);
+  define(this, 'expect', null);
+
+  if (typeof type !== 'string' && isObject(val)) {
+    lazyKeys();
+    var keys = Object.keys(val);
+    for (var i = 0; i < keys.length; i++) {
+      var key = keys[i];
+      if (ownNames.indexOf(key) === -1) {
+        this[key] = val[key];
+      }
+    }
+  } else {
+    this.type = type;
+    this.val = val;
+  }
+}
+
+/**
+ * Returns true if the given value is a node.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var node = new Node({type: 'foo'});
+ * console.log(Node.isNode(node)); //=> true
+ * console.log(Node.isNode({})); //=> false
+ * ```
+ * @param {Object} `node`
+ * @returns {Boolean}
+ * @api public
+ */
+
+Node.isNode = function(node) {
+  return utils.isNode(node);
+};
+
+/**
+ * Define a non-enumberable property on the node instance.
+ * Useful for adding properties that shouldn't be extended
+ * or visible during debugging.
+ *
+ * ```js
+ * var node = new Node();
+ * node.define('foo', 'something non-enumerable');
+ * ```
+ * @param {String} `name`
+ * @param {any} `val`
+ * @return {Object} returns the node instance
+ * @api public
+ */
+
+Node.prototype.define = function(name, val) {
+  define(this, name, val);
+  return this;
+};
+
+/**
+ * Returns true if `node.val` is an empty string, or `node.nodes` does
+ * not contain any non-empty text nodes.
+ *
+ * ```js
+ * var node = new Node({type: 'text'});
+ * node.isEmpty(); //=> true
+ * node.val = 'foo';
+ * node.isEmpty(); //=> false
+ * ```
+ * @param {Function} `fn` (optional) Filter function that is called on `node` and/or child nodes. `isEmpty` will return false immediately when the filter function returns false on any nodes.
+ * @return {Boolean}
+ * @api public
+ */
+
+Node.prototype.isEmpty = function(fn) {
+  return utils.isEmpty(this, fn);
+};
+
+/**
+ * Given node `foo` and node `bar`, push node `bar` onto `foo.nodes`, and
+ * set `foo` as `bar.parent`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * foo.push(bar);
+ * ```
+ * @param {Object} `node`
+ * @return {Number} Returns the length of `node.nodes`
+ * @api public
+ */
+
+Node.prototype.push = function(node) {
+  assert(Node.isNode(node), 'expected node to be an instance of Node');
+  define(node, 'parent', this);
+
+  this.nodes = this.nodes || [];
+  return this.nodes.push(node);
+};
+
+/**
+ * Given node `foo` and node `bar`, unshift node `bar` onto `foo.nodes`, and
+ * set `foo` as `bar.parent`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * foo.unshift(bar);
+ * ```
+ * @param {Object} `node`
+ * @return {Number} Returns the length of `node.nodes`
+ * @api public
+ */
+
+Node.prototype.unshift = function(node) {
+  assert(Node.isNode(node), 'expected node to be an instance of Node');
+  define(node, 'parent', this);
+
+  this.nodes = this.nodes || [];
+  return this.nodes.unshift(node);
+};
+
+/**
+ * Pop a node from `node.nodes`.
+ *
+ * ```js
+ * var node = new Node({type: 'foo'});
+ * node.push(new Node({type: 'a'}));
+ * node.push(new Node({type: 'b'}));
+ * node.push(new Node({type: 'c'}));
+ * node.push(new Node({type: 'd'}));
+ * console.log(node.nodes.length);
+ * //=> 4
+ * node.pop();
+ * console.log(node.nodes.length);
+ * //=> 3
+ * ```
+ * @return {Number} Returns the popped `node`
+ * @api public
+ */
+
+Node.prototype.pop = function() {
+  return this.nodes && this.nodes.pop();
+};
+
+/**
+ * Shift a node from `node.nodes`.
+ *
+ * ```js
+ * var node = new Node({type: 'foo'});
+ * node.push(new Node({type: 'a'}));
+ * node.push(new Node({type: 'b'}));
+ * node.push(new Node({type: 'c'}));
+ * node.push(new Node({type: 'd'}));
+ * console.log(node.nodes.length);
+ * //=> 4
+ * node.shift();
+ * console.log(node.nodes.length);
+ * //=> 3
+ * ```
+ * @return {Object} Returns the shifted `node`
+ * @api public
+ */
+
+Node.prototype.shift = function() {
+  return this.nodes && this.nodes.shift();
+};
+
+/**
+ * Remove `node` from `node.nodes`.
+ *
+ * ```js
+ * node.remove(childNode);
+ * ```
+ * @param {Object} `node`
+ * @return {Object} Returns the removed node.
+ * @api public
+ */
+
+Node.prototype.remove = function(node) {
+  assert(Node.isNode(node), 'expected node to be an instance of Node');
+  this.nodes = this.nodes || [];
+  var idx = node.index;
+  if (idx !== -1) {
+    node.index = -1;
+    return this.nodes.splice(idx, 1);
+  }
+  return null;
+};
+
+/**
+ * Get the first child node from `node.nodes` that matches the given `type`.
+ * If `type` is a number, the child node at that index is returned.
+ *
+ * ```js
+ * var child = node.find(1); //<= index of the node to get
+ * var child = node.find('foo'); //<= node.type of a child node
+ * var child = node.find(/^(foo|bar)$/); //<= regex to match node.type
+ * var child = node.find(['foo', 'bar']); //<= array of node.type(s)
+ * ```
+ * @param {String} `type`
+ * @return {Object} Returns a child node or undefined.
+ * @api public
+ */
+
+Node.prototype.find = function(type) {
+  return utils.findNode(this.nodes, type);
+};
+
+/**
+ * Return true if the node is the given `type`.
+ *
+ * ```js
+ * var node = new Node({type: 'bar'});
+ * cosole.log(node.isType('foo'));          // false
+ * cosole.log(node.isType(/^(foo|bar)$/));  // true
+ * cosole.log(node.isType(['foo', 'bar'])); // true
+ * ```
+ * @param {String} `type`
+ * @return {Boolean}
+ * @api public
+ */
+
+Node.prototype.isType = function(type) {
+  return utils.isType(this, type);
+};
+
+/**
+ * Return true if the `node.nodes` has the given `type`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * foo.push(bar);
+ *
+ * cosole.log(foo.hasType('qux'));          // false
+ * cosole.log(foo.hasType(/^(qux|bar)$/));  // true
+ * cosole.log(foo.hasType(['qux', 'bar'])); // true
+ * ```
+ * @param {String} `type`
+ * @return {Boolean}
+ * @api public
+ */
+
+Node.prototype.hasType = function(type) {
+  return utils.hasType(this, type);
+};
+
+/**
+ * Get the siblings array, or `null` if it doesn't exist.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * foo.push(bar);
+ * foo.push(baz);
+ *
+ * console.log(bar.siblings.length) // 2
+ * console.log(baz.siblings.length) // 2
+ * ```
+ * @return {Array}
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'siblings', {
+  set: function() {
+    throw new Error('node.siblings is a getter and cannot be defined');
+  },
+  get: function() {
+    return this.parent ? this.parent.nodes : null;
+  }
+});
+
+/**
+ * Get the node's current index from `node.parent.nodes`.
+ * This should always be correct, even when the parent adds nodes.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * var qux = new Node({type: 'qux'});
+ * foo.push(bar);
+ * foo.push(baz);
+ * foo.unshift(qux);
+ *
+ * console.log(bar.index) // 1
+ * console.log(baz.index) // 2
+ * console.log(qux.index) // 0
+ * ```
+ * @return {Number}
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'index', {
+  set: function(index) {
+    define(this, 'idx', index);
+  },
+  get: function() {
+    if (!Array.isArray(this.siblings)) {
+      return -1;
+    }
+    var tok = this.idx !== -1 ? this.siblings[this.idx] : null;
+    if (tok !== this) {
+      this.idx = this.siblings.indexOf(this);
+    }
+    return this.idx;
+  }
+});
+
+/**
+ * Get the previous node from the siblings array or `null`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * foo.push(bar);
+ * foo.push(baz);
+ *
+ * console.log(baz.prev.type) // 'bar'
+ * ```
+ * @return {Object}
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'prev', {
+  set: function() {
+    throw new Error('node.prev is a getter and cannot be defined');
+  },
+  get: function() {
+    if (Array.isArray(this.siblings)) {
+      return this.siblings[this.index - 1] || this.parent.prev;
+    }
+    return null;
+  }
+});
+
+/**
+ * Get the siblings array, or `null` if it doesn't exist.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * foo.push(bar);
+ * foo.push(baz);
+ *
+ * console.log(bar.siblings.length) // 2
+ * console.log(baz.siblings.length) // 2
+ * ```
+ * @return {Object}
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'next', {
+  set: function() {
+    throw new Error('node.next is a getter and cannot be defined');
+  },
+  get: function() {
+    if (Array.isArray(this.siblings)) {
+      return this.siblings[this.index + 1] || this.parent.next;
+    }
+    return null;
+  }
+});
+
+/**
+ * Get the first node from `node.nodes`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * var qux = new Node({type: 'qux'});
+ * foo.push(bar);
+ * foo.push(baz);
+ * foo.push(qux);
+ *
+ * console.log(foo.first.type) // 'bar'
+ * ```
+ * @return {Object} The first node, or undefiend
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'first', {
+  get: function() {
+    return this.nodes ? this.nodes[0] : null;
+  }
+});
+
+/**
+ * Get the last node from `node.nodes`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * var qux = new Node({type: 'qux'});
+ * foo.push(bar);
+ * foo.push(baz);
+ * foo.push(qux);
+ *
+ * console.log(foo.last.type) // 'qux'
+ * ```
+ * @return {Object} The last node, or undefiend
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'last', {
+  get: function() {
+    return this.nodes ? utils.last(this.nodes) : null;
+  }
+});
+
+/**
+ * Get the last node from `node.nodes`.
+ *
+ * ```js
+ * var foo = new Node({type: 'foo'});
+ * var bar = new Node({type: 'bar'});
+ * var baz = new Node({type: 'baz'});
+ * var qux = new Node({type: 'qux'});
+ * foo.push(bar);
+ * foo.push(baz);
+ * foo.push(qux);
+ *
+ * console.log(foo.last.type) // 'qux'
+ * ```
+ * @return {Object} The last node, or undefiend
+ * @api public
+ */
+
+Object.defineProperty(Node.prototype, 'scope', {
+  get: function() {
+    if (this.isScope !== true) {
+      return this.parent ? this.parent.scope : this;
+    }
+    return this;
+  }
+});
+
+/**
+ * Get own property names from Node prototype, but only the
+ * first time `Node` is instantiated
+ */
+
+function lazyKeys() {
+  if (!ownNames) {
+    ownNames = Object.getOwnPropertyNames(Node.prototype);
+  }
+}
+
+/**
+ * Simplified assertion. Throws an error is `val` is falsey.
+ */
+
+function assert(val, message) {
+  if (!val) throw new Error(message);
+}
+
+/**
+ * Expose `Node`
+ */
+
+exports = module.exports = Node;
diff --git a/node_modules/snapdragon-node/node_modules/define-property/LICENSE b/node_modules/snapdragon-node/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/snapdragon-node/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon-node/node_modules/define-property/README.md b/node_modules/snapdragon-node/node_modules/define-property/README.md
new file mode 100644
index 00000000..2f1af05f
--- /dev/null
+++ b/node_modules/snapdragon-node/node_modules/define-property/README.md
@@ -0,0 +1,95 @@
+# define-property [![NPM version](https://img.shields.io/npm/v/define-property.svg?style=flat)](https://www.npmjs.com/package/define-property) [![NPM monthly downloads](https://img.shields.io/npm/dm/define-property.svg?style=flat)](https://npmjs.org/package/define-property)  [![NPM total downloads](https://img.shields.io/npm/dt/define-property.svg?style=flat)](https://npmjs.org/package/define-property) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/define-property.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save define-property
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add define-property
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## About
+
+### Related projects
+
+* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the enumerable properties and/or es6 Symbol properies of source objects to the target (first) object.")
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
+* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 20, 2017._
\ No newline at end of file
diff --git a/node_modules/snapdragon-node/node_modules/define-property/index.js b/node_modules/snapdragon-node/node_modules/define-property/index.js
new file mode 100644
index 00000000..27c19ebf
--- /dev/null
+++ b/node_modules/snapdragon-node/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/snapdragon-node/node_modules/define-property/package.json b/node_modules/snapdragon-node/node_modules/define-property/package.json
new file mode 100644
index 00000000..e0ab1ca0
--- /dev/null
+++ b/node_modules/snapdragon-node/node_modules/define-property/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-descriptor": "^1.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.2.0"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "extend-shallow",
+        "merge-deep",
+        "assign-deep",
+        "mixin-deep"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/snapdragon-node/package.json b/node_modules/snapdragon-node/package.json
new file mode 100644
index 00000000..2ca80237
--- /dev/null
+++ b/node_modules/snapdragon-node/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "snapdragon-node",
+  "description": "Snapdragon utility for creating a new AST node in custom code, such as plugins.",
+  "version": "2.1.1",
+  "homepage": "https://github.com/jonschlinkert/snapdragon-node",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/snapdragon-node",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/snapdragon-node/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "define-property": "^1.0.0",
+    "isobject": "^3.0.0",
+    "snapdragon-util": "^3.0.1"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^4.0.0",
+    "gulp-format-md": "^0.1.12",
+    "gulp-istanbul": "^1.1.2",
+    "gulp-mocha": "^3.0.1",
+    "mocha": "^3.4.2",
+    "snapdragon": "^0.11.0"
+  },
+  "keywords": [
+    "ast",
+    "compile",
+    "compiler",
+    "convert",
+    "node",
+    "parse",
+    "parser",
+    "plugin",
+    "render",
+    "snapdragon",
+    "snapdragonplugin",
+    "token",
+    "transform"
+  ],
+  "verb": {
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "breakdance",
+        "snapdragon",
+        "snapdragon-capture",
+        "snapdragon-cheerio",
+        "snapdragon-util"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/snapdragon-util/LICENSE b/node_modules/snapdragon-util/LICENSE
new file mode 100644
index 00000000..9a1c8567
--- /dev/null
+++ b/node_modules/snapdragon-util/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon-util/README.md b/node_modules/snapdragon-util/README.md
new file mode 100644
index 00000000..b654e023
--- /dev/null
+++ b/node_modules/snapdragon-util/README.md
@@ -0,0 +1,807 @@
+# snapdragon-util [![NPM version](https://img.shields.io/npm/v/snapdragon-util.svg?style=flat)](https://www.npmjs.com/package/snapdragon-util) [![NPM monthly downloads](https://img.shields.io/npm/dm/snapdragon-util.svg?style=flat)](https://npmjs.org/package/snapdragon-util) [![NPM total downloads](https://img.shields.io/npm/dt/snapdragon-util.svg?style=flat)](https://npmjs.org/package/snapdragon-util) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/snapdragon-util.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/snapdragon-util)
+
+> Utilities for the snapdragon parser/compiler.
+
+<details>
+<summary><strong>Table of Contents</strong></summary>
+
+- [Install](#install)
+- [Usage](#usage)
+- [API](#api)
+- [Release history](#release-history)
+  * [[3.0.0] - 2017-05-01](#300---2017-05-01)
+  * [[0.1.0]](#010)
+- [About](#about)
+
+</details>
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save snapdragon-util
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add snapdragon-util
+```
+
+## Usage
+
+```js
+var util = require('snapdragon-util');
+```
+
+## API
+
+### [.isNode](index.js#L21)
+
+Returns true if the given value is a node.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var node = new Node({type: 'foo'});
+console.log(utils.isNode(node)); //=> true
+console.log(utils.isNode({})); //=> false
+```
+
+### [.noop](index.js#L37)
+
+Emit an empty string for the given `node`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{undefined}**
+
+**Example**
+
+```js
+// do nothing for beginning-of-string
+snapdragon.compiler.set('bos', utils.noop);
+```
+
+### [.identity](index.js#L53)
+
+Appdend `node.val` to `compiler.output`, exactly as it was created by the parser.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{undefined}**
+
+**Example**
+
+```js
+snapdragon.compiler.set('text', utils.identity);
+```
+
+### [.append](index.js#L76)
+
+Previously named `.emit`, this method appends the given `val` to `compiler.output` for the given node. Useful when you know what value should be appended advance, regardless of the actual value of `node.val`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Function}**: Returns a compiler middleware function.
+
+**Example**
+
+```js
+snapdragon.compiler
+  .set('i', function(node) {
+    this.mapVisit(node);
+  })
+  .set('i.open', utils.append('<i>'))
+  .set('i.close', utils.append('</i>'))
+```
+
+### [.toNoop](index.js#L99)
+
+Used in compiler middleware, this onverts an AST node into an empty `text` node and deletes `node.nodes` if it exists. The advantage of this method is that, as opposed to completely removing the node, indices will not need to be re-calculated in sibling nodes, and nothing is appended to the output.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `nodes` **{Array}**: Optionally pass a new `nodes` value, to replace the existing `node.nodes` array.
+
+**Example**
+
+```js
+utils.toNoop(node);
+// convert `node.nodes` to the given value instead of deleting it
+utils.toNoop(node, []);
+```
+
+### [.visit](index.js#L128)
+
+Visit `node` with the given `fn`. The built-in `.visit` method in snapdragon automatically calls registered compilers, this allows you to pass a visitor function.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `fn` **{Function}**
+* `returns` **{Object}**: returns the node after recursively visiting all child nodes.
+
+**Example**
+
+```js
+snapdragon.compiler.set('i', function(node) {
+  utils.visit(node, function(childNode) {
+    // do stuff with "childNode"
+    return childNode;
+  });
+});
+```
+
+### [.mapVisit](index.js#L155)
+
+Map [visit](#visit) the given `fn` over `node.nodes`. This is called by [visit](#visit), use this method if you do not want `fn` to be called on the first node.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `options` **{Object}**
+* `fn` **{Function}**
+* `returns` **{Object}**: returns the node
+
+**Example**
+
+```js
+snapdragon.compiler.set('i', function(node) {
+  utils.mapVisit(node, function(childNode) {
+    // do stuff with "childNode"
+    return childNode;
+  });
+});
+```
+
+### [.addOpen](index.js#L194)
+
+Unshift an `*.open` node onto `node.nodes`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `Node` **{Function}**: (required) Node constructor function from [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node).
+* `filter` **{Function}**: Optionaly specify a filter function to exclude the node.
+* `returns` **{Object}**: Returns the created opening node.
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+snapdragon.parser.set('brace', function(node) {
+  var match = this.match(/^{/);
+  if (match) {
+    var parent = new Node({type: 'brace'});
+    utils.addOpen(parent, Node);
+    console.log(parent.nodes[0]):
+    // { type: 'brace.open', val: '' };
+
+    // push the parent "brace" node onto the stack
+    this.push(parent);
+
+    // return the parent node, so it's also added to the AST
+    return brace;
+  }
+});
+```
+
+### [.addClose](index.js#L244)
+
+Push a `*.close` node onto `node.nodes`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `Node` **{Function}**: (required) Node constructor function from [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node).
+* `filter` **{Function}**: Optionaly specify a filter function to exclude the node.
+* `returns` **{Object}**: Returns the created closing node.
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+snapdragon.parser.set('brace', function(node) {
+  var match = this.match(/^}/);
+  if (match) {
+    var parent = this.parent();
+    if (parent.type !== 'brace') {
+      throw new Error('missing opening: ' + '}');
+    }
+
+    utils.addClose(parent, Node);
+    console.log(parent.nodes[parent.nodes.length - 1]):
+    // { type: 'brace.close', val: '' };
+
+    // no need to return a node, since the parent
+    // was already added to the AST
+    return;
+  }
+});
+```
+
+### [.wrapNodes](index.js#L274)
+
+Wraps the given `node` with `*.open` and `*.close` nodes.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `Node` **{Function}**: (required) Node constructor function from [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node).
+* `filter` **{Function}**: Optionaly specify a filter function to exclude the node.
+* `returns` **{Object}**: Returns the node
+
+### [.pushNode](index.js#L299)
+
+Push the given `node` onto `parent.nodes`, and set `parent` as `node.parent.
+
+**Params**
+
+* `parent` **{Object}**
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Object}**: Returns the child node
+
+**Example**
+
+```js
+var parent = new Node({type: 'foo'});
+var node = new Node({type: 'bar'});
+utils.pushNode(parent, node);
+console.log(parent.nodes[0].type) // 'bar'
+console.log(node.parent.type) // 'foo'
+```
+
+### [.unshiftNode](index.js#L325)
+
+Unshift `node` onto `parent.nodes`, and set `parent` as `node.parent.
+
+**Params**
+
+* `parent` **{Object}**
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{undefined}**
+
+**Example**
+
+```js
+var parent = new Node({type: 'foo'});
+var node = new Node({type: 'bar'});
+utils.unshiftNode(parent, node);
+console.log(parent.nodes[0].type) // 'bar'
+console.log(node.parent.type) // 'foo'
+```
+
+### [.popNode](index.js#L354)
+
+Pop the last `node` off of `parent.nodes`. The advantage of using this method is that it checks for `node.nodes` and works with any version of `snapdragon-node`.
+
+**Params**
+
+* `parent` **{Object}**
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Number|Undefined}**: Returns the length of `node.nodes` or undefined.
+
+**Example**
+
+```js
+var parent = new Node({type: 'foo'});
+utils.pushNode(parent, new Node({type: 'foo'}));
+utils.pushNode(parent, new Node({type: 'bar'}));
+utils.pushNode(parent, new Node({type: 'baz'}));
+console.log(parent.nodes.length); //=> 3
+utils.popNode(parent);
+console.log(parent.nodes.length); //=> 2
+```
+
+### [.shiftNode](index.js#L382)
+
+Shift the first `node` off of `parent.nodes`. The advantage of using this method is that it checks for `node.nodes` and works with any version of `snapdragon-node`.
+
+**Params**
+
+* `parent` **{Object}**
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Number|Undefined}**: Returns the length of `node.nodes` or undefined.
+
+**Example**
+
+```js
+var parent = new Node({type: 'foo'});
+utils.pushNode(parent, new Node({type: 'foo'}));
+utils.pushNode(parent, new Node({type: 'bar'}));
+utils.pushNode(parent, new Node({type: 'baz'}));
+console.log(parent.nodes.length); //=> 3
+utils.shiftNode(parent);
+console.log(parent.nodes.length); //=> 2
+```
+
+### [.removeNode](index.js#L409)
+
+Remove the specified `node` from `parent.nodes`.
+
+**Params**
+
+* `parent` **{Object}**
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Object|undefined}**: Returns the removed node, if successful, or undefined if it does not exist on `parent.nodes`.
+
+**Example**
+
+```js
+var parent = new Node({type: 'abc'});
+var foo = new Node({type: 'foo'});
+utils.pushNode(parent, foo);
+utils.pushNode(parent, new Node({type: 'bar'}));
+utils.pushNode(parent, new Node({type: 'baz'}));
+console.log(parent.nodes.length); //=> 3
+utils.removeNode(parent, foo);
+console.log(parent.nodes.length); //=> 2
+```
+
+### [.isType](index.js#L443)
+
+Returns true if `node.type` matches the given `type`. Throws a `TypeError` if `node` is not an instance of `Node`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var node = new Node({type: 'foo'});
+console.log(utils.isType(node, 'foo')); // false
+console.log(utils.isType(node, 'bar')); // true
+```
+
+### [.hasType](index.js#L486)
+
+Returns true if the given `node` has the given `type` in `node.nodes`. Throws a `TypeError` if `node` is not an instance of `Node`.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var node = new Node({
+  type: 'foo',
+  nodes: [
+    new Node({type: 'bar'}),
+    new Node({type: 'baz'})
+  ]
+});
+console.log(utils.hasType(node, 'xyz')); // false
+console.log(utils.hasType(node, 'baz')); // true
+```
+
+### [.firstOfType](index.js#L519)
+
+Returns the first node from `node.nodes` of the given `type`
+
+**Params**
+
+* `nodes` **{Array}**
+* `type` **{String}**
+* `returns` **{Object|undefined}**: Returns the first matching node or undefined.
+
+**Example**
+
+```js
+var node = new Node({
+  type: 'foo',
+  nodes: [
+    new Node({type: 'text', val: 'abc'}),
+    new Node({type: 'text', val: 'xyz'})
+  ]
+});
+
+var textNode = utils.firstOfType(node.nodes, 'text');
+console.log(textNode.val);
+//=> 'abc'
+```
+
+### [.findNode](index.js#L556)
+
+Returns the node at the specified index, or the first node of the given `type` from `node.nodes`.
+
+**Params**
+
+* `nodes` **{Array}**
+* `type` **{String|Number}**: Node type or index.
+* `returns` **{Object}**: Returns a node or undefined.
+
+**Example**
+
+```js
+var node = new Node({
+  type: 'foo',
+  nodes: [
+    new Node({type: 'text', val: 'abc'}),
+    new Node({type: 'text', val: 'xyz'})
+  ]
+});
+
+var nodeOne = utils.findNode(node.nodes, 'text');
+console.log(nodeOne.val);
+//=> 'abc'
+
+var nodeTwo = utils.findNode(node.nodes, 1);
+console.log(nodeTwo.val);
+//=> 'xyz'
+```
+
+### [.isOpen](index.js#L584)
+
+Returns true if the given node is an "*.open" node.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var brace = new Node({type: 'brace'});
+var open = new Node({type: 'brace.open'});
+var close = new Node({type: 'brace.close'});
+
+console.log(utils.isOpen(brace)); // false
+console.log(utils.isOpen(open)); // true
+console.log(utils.isOpen(close)); // false
+```
+
+### [.isClose](index.js#L607)
+
+Returns true if the given node is a "*.close" node.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var brace = new Node({type: 'brace'});
+var open = new Node({type: 'brace.open'});
+var close = new Node({type: 'brace.close'});
+
+console.log(utils.isClose(brace)); // false
+console.log(utils.isClose(open)); // false
+console.log(utils.isClose(close)); // true
+```
+
+### [.hasOpen](index.js#L633)
+
+Returns true if `node.nodes` **has** an `.open` node
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var brace = new Node({
+  type: 'brace',
+  nodes: []
+});
+
+var open = new Node({type: 'brace.open'});
+console.log(utils.hasOpen(brace)); // false
+
+brace.pushNode(open);
+console.log(utils.hasOpen(brace)); // true
+```
+
+### [.hasClose](index.js#L663)
+
+Returns true if `node.nodes` **has** a `.close` node
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var brace = new Node({
+  type: 'brace',
+  nodes: []
+});
+
+var close = new Node({type: 'brace.close'});
+console.log(utils.hasClose(brace)); // false
+
+brace.pushNode(close);
+console.log(utils.hasClose(brace)); // true
+```
+
+### [.hasOpenAndClose](index.js#L697)
+
+Returns true if `node.nodes` has both `.open` and `.close` nodes
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var Node = require('snapdragon-node');
+var brace = new Node({
+  type: 'brace',
+  nodes: []
+});
+
+var open = new Node({type: 'brace.open'});
+var close = new Node({type: 'brace.close'});
+console.log(utils.hasOpen(brace)); // false
+console.log(utils.hasClose(brace)); // false
+
+brace.pushNode(open);
+brace.pushNode(close);
+console.log(utils.hasOpen(brace)); // true
+console.log(utils.hasClose(brace)); // true
+```
+
+### [.addType](index.js#L719)
+
+Push the given `node` onto the `state.inside` array for the given type. This array is used as a specialized "stack" for only the given `node.type`.
+
+**Params**
+
+* `state` **{Object}**: The `compiler.state` object or custom state object.
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Array}**: Returns the `state.inside` stack for the given type.
+
+**Example**
+
+```js
+var state = { inside: {}};
+var node = new Node({type: 'brace'});
+utils.addType(state, node);
+console.log(state.inside);
+//=> { brace: [{type: 'brace'}] }
+```
+
+### [.removeType](index.js#L759)
+
+Remove the given `node` from the `state.inside` array for the given type. This array is used as a specialized "stack" for only the given `node.type`.
+
+**Params**
+
+* `state` **{Object}**: The `compiler.state` object or custom state object.
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `returns` **{Array}**: Returns the `state.inside` stack for the given type.
+
+**Example**
+
+```js
+var state = { inside: {}};
+var node = new Node({type: 'brace'});
+utils.addType(state, node);
+console.log(state.inside);
+//=> { brace: [{type: 'brace'}] }
+utils.removeType(state, node);
+//=> { brace: [] }
+```
+
+### [.isEmpty](index.js#L788)
+
+Returns true if `node.val` is an empty string, or `node.nodes` does not contain any non-empty text nodes.
+
+**Params**
+
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `fn` **{Function}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var node = new Node({type: 'text'});
+utils.isEmpty(node); //=> true
+node.val = 'foo';
+utils.isEmpty(node); //=> false
+```
+
+### [.isInsideType](index.js#L833)
+
+Returns true if the `state.inside` stack for the given type exists and has one or more nodes on it.
+
+**Params**
+
+* `state` **{Object}**
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var state = { inside: {}};
+var node = new Node({type: 'brace'});
+console.log(utils.isInsideType(state, 'brace')); //=> false
+utils.addType(state, node);
+console.log(utils.isInsideType(state, 'brace')); //=> true
+utils.removeType(state, node);
+console.log(utils.isInsideType(state, 'brace')); //=> false
+```
+
+### [.isInside](index.js#L867)
+
+Returns true if `node` is either a child or grand-child of the given `type`, or `state.inside[type]` is a non-empty array.
+
+**Params**
+
+* `state` **{Object}**: Either the `compiler.state` object, if it exists, or a user-supplied state object.
+* `node` **{Object}**: Instance of [snapdragon-node](https://github.com/jonschlinkert/snapdragon-node)
+* `type` **{String}**: The `node.type` to check for.
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+var state = { inside: {}};
+var node = new Node({type: 'brace'});
+var open = new Node({type: 'brace.open'});
+console.log(utils.isInside(state, open, 'brace')); //=> false
+utils.pushNode(node, open);
+console.log(utils.isInside(state, open, 'brace')); //=> true
+```
+
+### [.last](index.js#L915)
+
+Get the last `n` element from the given `array`. Used for getting
+a node from `node.nodes.`
+
+**Params**
+
+* `array` **{Array}**
+* `n` **{Number}**
+* `returns` **{undefined}**
+
+### [.arrayify](index.js#L935)
+
+Cast the given `val` to an array.
+
+**Params**
+
+* `val` **{any}**
+* `returns` **{Array}**
+
+**Example**
+
+```js
+console.log(utils.arraify(''));
+//=> []
+console.log(utils.arraify('foo'));
+//=> ['foo']
+console.log(utils.arraify(['foo']));
+//=> ['foo']
+```
+
+### [.stringify](index.js#L948)
+
+Convert the given `val` to a string by joining with `,`. Useful
+for creating a cheerio/CSS/DOM-style selector from a list of strings.
+
+**Params**
+
+* `val` **{any}**
+* `returns` **{Array}**
+
+### [.trim](index.js#L961)
+
+Ensure that the given value is a string and call `.trim()` on it,
+or return an empty string.
+
+**Params**
+
+* `str` **{String}**
+* `returns` **{String}**
+
+## Release history
+
+Changelog entries are classified using the following labels from [keep-a-changelog](https://github.com/olivierlacan/keep-a-changelog):
+
+* `added`: for new features
+* `changed`: for changes in existing functionality
+* `deprecated`: for once-stable features removed in upcoming releases
+* `removed`: for deprecated features removed in this release
+* `fixed`: for any bug fixes
+
+Custom labels used in this changelog:
+
+* `dependencies`: bumps dependencies
+* `housekeeping`: code re-organization, minor edits, or other changes that don't fit in one of the other categories.
+
+### [3.0.0] - 2017-05-01
+
+**Changed**
+
+* `.emit` was renamed to [.append](#append)
+* `.addNode` was renamed to [.pushNode](#pushNode)
+* `.getNode` was renamed to [.findNode](#findNode)
+* `.isEmptyNodes` was renamed to [.isEmpty](#isEmpty): also now works with `node.nodes` and/or `node.val`
+
+**Added**
+
+* [.identity](#identity)
+* [.removeNode](#removeNode)
+* [.shiftNode](#shiftNode)
+* [.popNode](#popNode)
+
+### [0.1.0]
+
+First release.
+
+## About
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 01, 2017._
\ No newline at end of file
diff --git a/node_modules/snapdragon-util/index.js b/node_modules/snapdragon-util/index.js
new file mode 100644
index 00000000..68a030ec
--- /dev/null
+++ b/node_modules/snapdragon-util/index.js
@@ -0,0 +1,1019 @@
+'use strict';
+
+var typeOf = require('kind-of');
+var utils = module.exports;
+
+/**
+ * Returns true if the given value is a node.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var node = new Node({type: 'foo'});
+ * console.log(utils.isNode(node)); //=> true
+ * console.log(utils.isNode({})); //=> false
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @returns {Boolean}
+ * @api public
+ */
+
+utils.isNode = function(node) {
+  return typeOf(node) === 'object' && node.isNode === true;
+};
+
+/**
+ * Emit an empty string for the given `node`.
+ *
+ * ```js
+ * // do nothing for beginning-of-string
+ * snapdragon.compiler.set('bos', utils.noop);
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @returns {undefined}
+ * @api public
+ */
+
+utils.noop = function(node) {
+  append(this, '', node);
+};
+
+/**
+ * Appdend `node.val` to `compiler.output`, exactly as it was created
+ * by the parser.
+ *
+ * ```js
+ * snapdragon.compiler.set('text', utils.identity);
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @returns {undefined}
+ * @api public
+ */
+
+utils.identity = function(node) {
+  append(this, node.val, node);
+};
+
+/**
+ * Previously named `.emit`, this method appends the given `val`
+ * to `compiler.output` for the given node. Useful when you know
+ * what value should be appended advance, regardless of the actual
+ * value of `node.val`.
+ *
+ * ```js
+ * snapdragon.compiler
+ *   .set('i', function(node) {
+ *     this.mapVisit(node);
+ *   })
+ *   .set('i.open', utils.append('<i>'))
+ *   .set('i.close', utils.append('</i>'))
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @returns {Function} Returns a compiler middleware function.
+ * @api public
+ */
+
+utils.append = function(val) {
+  return function(node) {
+    append(this, val, node);
+  };
+};
+
+/**
+ * Used in compiler middleware, this onverts an AST node into
+ * an empty `text` node and deletes `node.nodes` if it exists.
+ * The advantage of this method is that, as opposed to completely
+ * removing the node, indices will not need to be re-calculated
+ * in sibling nodes, and nothing is appended to the output.
+ *
+ * ```js
+ * utils.toNoop(node);
+ * // convert `node.nodes` to the given value instead of deleting it
+ * utils.toNoop(node, []);
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Array} `nodes` Optionally pass a new `nodes` value, to replace the existing `node.nodes` array.
+ * @api public
+ */
+
+utils.toNoop = function(node, nodes) {
+  if (nodes) {
+    node.nodes = nodes;
+  } else {
+    delete node.nodes;
+    node.type = 'text';
+    node.val = '';
+  }
+};
+
+/**
+ * Visit `node` with the given `fn`. The built-in `.visit` method in snapdragon
+ * automatically calls registered compilers, this allows you to pass a visitor
+ * function.
+ *
+ * ```js
+ * snapdragon.compiler.set('i', function(node) {
+ *   utils.visit(node, function(childNode) {
+ *     // do stuff with "childNode"
+ *     return childNode;
+ *   });
+ * });
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Function} `fn`
+ * @return {Object} returns the node after recursively visiting all child nodes.
+ * @api public
+ */
+
+utils.visit = function(node, fn) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isFunction(fn), 'expected a visitor function');
+  fn(node);
+  return node.nodes ? utils.mapVisit(node, fn) : node;
+};
+
+/**
+ * Map [visit](#visit) the given `fn` over `node.nodes`. This is called by
+ * [visit](#visit), use this method if you do not want `fn` to be called on
+ * the first node.
+ *
+ * ```js
+ * snapdragon.compiler.set('i', function(node) {
+ *   utils.mapVisit(node, function(childNode) {
+ *     // do stuff with "childNode"
+ *     return childNode;
+ *   });
+ * });
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Object} `options`
+ * @param {Function} `fn`
+ * @return {Object} returns the node
+ * @api public
+ */
+
+utils.mapVisit = function(node, fn) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isArray(node.nodes), 'expected node.nodes to be an array');
+  assert(isFunction(fn), 'expected a visitor function');
+
+  for (var i = 0; i < node.nodes.length; i++) {
+    utils.visit(node.nodes[i], fn);
+  }
+  return node;
+};
+
+/**
+ * Unshift an `*.open` node onto `node.nodes`.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * snapdragon.parser.set('brace', function(node) {
+ *   var match = this.match(/^{/);
+ *   if (match) {
+ *     var parent = new Node({type: 'brace'});
+ *     utils.addOpen(parent, Node);
+ *     console.log(parent.nodes[0]):
+ *     // { type: 'brace.open', val: '' };
+ *
+ *     // push the parent "brace" node onto the stack
+ *     this.push(parent);
+ *
+ *     // return the parent node, so it's also added to the AST
+ *     return brace;
+ *   }
+ * });
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Function} `Node` (required) Node constructor function from [snapdragon-node][].
+ * @param {Function} `filter` Optionaly specify a filter function to exclude the node.
+ * @return {Object} Returns the created opening node.
+ * @api public
+ */
+
+utils.addOpen = function(node, Node, val, filter) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isFunction(Node), 'expected Node to be a constructor function');
+
+  if (typeof val === 'function') {
+    filter = val;
+    val = '';
+  }
+
+  if (typeof filter === 'function' && !filter(node)) return;
+  var open = new Node({ type: node.type + '.open', val: val});
+  var unshift = node.unshift || node.unshiftNode;
+  if (typeof unshift === 'function') {
+    unshift.call(node, open);
+  } else {
+    utils.unshiftNode(node, open);
+  }
+  return open;
+};
+
+/**
+ * Push a `*.close` node onto `node.nodes`.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * snapdragon.parser.set('brace', function(node) {
+ *   var match = this.match(/^}/);
+ *   if (match) {
+ *     var parent = this.parent();
+ *     if (parent.type !== 'brace') {
+ *       throw new Error('missing opening: ' + '}');
+ *     }
+ *
+ *     utils.addClose(parent, Node);
+ *     console.log(parent.nodes[parent.nodes.length - 1]):
+ *     // { type: 'brace.close', val: '' };
+ *
+ *     // no need to return a node, since the parent
+ *     // was already added to the AST
+ *     return;
+ *   }
+ * });
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Function} `Node` (required) Node constructor function from [snapdragon-node][].
+ * @param {Function} `filter` Optionaly specify a filter function to exclude the node.
+ * @return {Object} Returns the created closing node.
+ * @api public
+ */
+
+utils.addClose = function(node, Node, val, filter) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isFunction(Node), 'expected Node to be a constructor function');
+
+  if (typeof val === 'function') {
+    filter = val;
+    val = '';
+  }
+
+  if (typeof filter === 'function' && !filter(node)) return;
+  var close = new Node({ type: node.type + '.close', val: val});
+  var push = node.push || node.pushNode;
+  if (typeof push === 'function') {
+    push.call(node, close);
+  } else {
+    utils.pushNode(node, close);
+  }
+  return close;
+};
+
+/**
+ * Wraps the given `node` with `*.open` and `*.close` nodes.
+ *
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Function} `Node` (required) Node constructor function from [snapdragon-node][].
+ * @param {Function} `filter` Optionaly specify a filter function to exclude the node.
+ * @return {Object} Returns the node
+ * @api public
+ */
+
+utils.wrapNodes = function(node, Node, filter) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isFunction(Node), 'expected Node to be a constructor function');
+
+  utils.addOpen(node, Node, filter);
+  utils.addClose(node, Node, filter);
+  return node;
+};
+
+/**
+ * Push the given `node` onto `parent.nodes`, and set `parent` as `node.parent.
+ *
+ * ```js
+ * var parent = new Node({type: 'foo'});
+ * var node = new Node({type: 'bar'});
+ * utils.pushNode(parent, node);
+ * console.log(parent.nodes[0].type) // 'bar'
+ * console.log(node.parent.type) // 'foo'
+ * ```
+ * @param {Object} `parent`
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Object} Returns the child node
+ * @api public
+ */
+
+utils.pushNode = function(parent, node) {
+  assert(utils.isNode(parent), 'expected parent node to be an instance of Node');
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+
+  node.define('parent', parent);
+  parent.nodes = parent.nodes || [];
+  parent.nodes.push(node);
+  return node;
+};
+
+/**
+ * Unshift `node` onto `parent.nodes`, and set `parent` as `node.parent.
+ *
+ * ```js
+ * var parent = new Node({type: 'foo'});
+ * var node = new Node({type: 'bar'});
+ * utils.unshiftNode(parent, node);
+ * console.log(parent.nodes[0].type) // 'bar'
+ * console.log(node.parent.type) // 'foo'
+ * ```
+ * @param {Object} `parent`
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {undefined}
+ * @api public
+ */
+
+utils.unshiftNode = function(parent, node) {
+  assert(utils.isNode(parent), 'expected parent node to be an instance of Node');
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+
+  node.define('parent', parent);
+  parent.nodes = parent.nodes || [];
+  parent.nodes.unshift(node);
+};
+
+/**
+ * Pop the last `node` off of `parent.nodes`. The advantage of
+ * using this method is that it checks for `node.nodes` and works
+ * with any version of `snapdragon-node`.
+ *
+ * ```js
+ * var parent = new Node({type: 'foo'});
+ * utils.pushNode(parent, new Node({type: 'foo'}));
+ * utils.pushNode(parent, new Node({type: 'bar'}));
+ * utils.pushNode(parent, new Node({type: 'baz'}));
+ * console.log(parent.nodes.length); //=> 3
+ * utils.popNode(parent);
+ * console.log(parent.nodes.length); //=> 2
+ * ```
+ * @param {Object} `parent`
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Number|Undefined} Returns the length of `node.nodes` or undefined.
+ * @api public
+ */
+
+utils.popNode = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  if (typeof node.pop === 'function') {
+    return node.pop();
+  }
+  return node.nodes && node.nodes.pop();
+};
+
+/**
+ * Shift the first `node` off of `parent.nodes`. The advantage of
+ * using this method is that it checks for `node.nodes` and works
+ * with any version of `snapdragon-node`.
+ *
+ * ```js
+ * var parent = new Node({type: 'foo'});
+ * utils.pushNode(parent, new Node({type: 'foo'}));
+ * utils.pushNode(parent, new Node({type: 'bar'}));
+ * utils.pushNode(parent, new Node({type: 'baz'}));
+ * console.log(parent.nodes.length); //=> 3
+ * utils.shiftNode(parent);
+ * console.log(parent.nodes.length); //=> 2
+ * ```
+ * @param {Object} `parent`
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Number|Undefined} Returns the length of `node.nodes` or undefined.
+ * @api public
+ */
+
+utils.shiftNode = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  if (typeof node.shift === 'function') {
+    return node.shift();
+  }
+  return node.nodes && node.nodes.shift();
+};
+
+/**
+ * Remove the specified `node` from `parent.nodes`.
+ *
+ * ```js
+ * var parent = new Node({type: 'abc'});
+ * var foo = new Node({type: 'foo'});
+ * utils.pushNode(parent, foo);
+ * utils.pushNode(parent, new Node({type: 'bar'}));
+ * utils.pushNode(parent, new Node({type: 'baz'}));
+ * console.log(parent.nodes.length); //=> 3
+ * utils.removeNode(parent, foo);
+ * console.log(parent.nodes.length); //=> 2
+ * ```
+ * @param {Object} `parent`
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Object|undefined} Returns the removed node, if successful, or undefined if it does not exist on `parent.nodes`.
+ * @api public
+ */
+
+utils.removeNode = function(parent, node) {
+  assert(utils.isNode(parent), 'expected parent.node to be an instance of Node');
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+
+  if (!parent.nodes) {
+    return null;
+  }
+
+  if (typeof parent.remove === 'function') {
+    return parent.remove(node);
+  }
+
+  var idx = parent.nodes.indexOf(node);
+  if (idx !== -1) {
+    return parent.nodes.splice(idx, 1);
+  }
+};
+
+/**
+ * Returns true if `node.type` matches the given `type`. Throws a
+ * `TypeError` if `node` is not an instance of `Node`.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var node = new Node({type: 'foo'});
+ * console.log(utils.isType(node, 'foo')); // false
+ * console.log(utils.isType(node, 'bar')); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {String} `type`
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isType = function(node, type) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  switch (typeOf(type)) {
+    case 'array':
+      var types = type.slice();
+      for (var i = 0; i < types.length; i++) {
+        if (utils.isType(node, types[i])) {
+          return true;
+        }
+      }
+      return false;
+    case 'string':
+      return node.type === type;
+    case 'regexp':
+      return type.test(node.type);
+    default: {
+      throw new TypeError('expected "type" to be an array, string or regexp');
+    }
+  }
+};
+
+/**
+ * Returns true if the given `node` has the given `type` in `node.nodes`.
+ * Throws a `TypeError` if `node` is not an instance of `Node`.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var node = new Node({
+ *   type: 'foo',
+ *   nodes: [
+ *     new Node({type: 'bar'}),
+ *     new Node({type: 'baz'})
+ *   ]
+ * });
+ * console.log(utils.hasType(node, 'xyz')); // false
+ * console.log(utils.hasType(node, 'baz')); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {String} `type`
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.hasType = function(node, type) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  if (!Array.isArray(node.nodes)) return false;
+  for (var i = 0; i < node.nodes.length; i++) {
+    if (utils.isType(node.nodes[i], type)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Returns the first node from `node.nodes` of the given `type`
+ *
+ * ```js
+ * var node = new Node({
+ *   type: 'foo',
+ *   nodes: [
+ *     new Node({type: 'text', val: 'abc'}),
+ *     new Node({type: 'text', val: 'xyz'})
+ *   ]
+ * });
+ *
+ * var textNode = utils.firstOfType(node.nodes, 'text');
+ * console.log(textNode.val);
+ * //=> 'abc'
+ * ```
+ * @param {Array} `nodes`
+ * @param {String} `type`
+ * @return {Object|undefined} Returns the first matching node or undefined.
+ * @api public
+ */
+
+utils.firstOfType = function(nodes, type) {
+  for (var i = 0; i < nodes.length; i++) {
+    var node = nodes[i];
+    if (utils.isType(node, type)) {
+      return node;
+    }
+  }
+};
+
+/**
+ * Returns the node at the specified index, or the first node of the
+ * given `type` from `node.nodes`.
+ *
+ * ```js
+ * var node = new Node({
+ *   type: 'foo',
+ *   nodes: [
+ *     new Node({type: 'text', val: 'abc'}),
+ *     new Node({type: 'text', val: 'xyz'})
+ *   ]
+ * });
+ *
+ * var nodeOne = utils.findNode(node.nodes, 'text');
+ * console.log(nodeOne.val);
+ * //=> 'abc'
+ *
+ * var nodeTwo = utils.findNode(node.nodes, 1);
+ * console.log(nodeTwo.val);
+ * //=> 'xyz'
+ * ```
+ *
+ * @param {Array} `nodes`
+ * @param {String|Number} `type` Node type or index.
+ * @return {Object} Returns a node or undefined.
+ * @api public
+ */
+
+utils.findNode = function(nodes, type) {
+  if (!Array.isArray(nodes)) {
+    return null;
+  }
+  if (typeof type === 'number') {
+    return nodes[type];
+  }
+  return utils.firstOfType(nodes, type);
+};
+
+/**
+ * Returns true if the given node is an "*.open" node.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var brace = new Node({type: 'brace'});
+ * var open = new Node({type: 'brace.open'});
+ * var close = new Node({type: 'brace.close'});
+ *
+ * console.log(utils.isOpen(brace)); // false
+ * console.log(utils.isOpen(open)); // true
+ * console.log(utils.isOpen(close)); // false
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isOpen = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  return node.type.slice(-5) === '.open';
+};
+
+/**
+ * Returns true if the given node is a "*.close" node.
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var brace = new Node({type: 'brace'});
+ * var open = new Node({type: 'brace.open'});
+ * var close = new Node({type: 'brace.close'});
+ *
+ * console.log(utils.isClose(brace)); // false
+ * console.log(utils.isClose(open)); // false
+ * console.log(utils.isClose(close)); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isClose = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  return node.type.slice(-6) === '.close';
+};
+
+/**
+ * Returns true if `node.nodes` **has** an `.open` node
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var brace = new Node({
+ *   type: 'brace',
+ *   nodes: []
+ * });
+ *
+ * var open = new Node({type: 'brace.open'});
+ * console.log(utils.hasOpen(brace)); // false
+ *
+ * brace.pushNode(open);
+ * console.log(utils.hasOpen(brace)); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.hasOpen = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  var first = node.first || node.nodes ? node.nodes[0] : null;
+  if (utils.isNode(first)) {
+    return first.type === node.type + '.open';
+  }
+  return false;
+};
+
+/**
+ * Returns true if `node.nodes` **has** a `.close` node
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var brace = new Node({
+ *   type: 'brace',
+ *   nodes: []
+ * });
+ *
+ * var close = new Node({type: 'brace.close'});
+ * console.log(utils.hasClose(brace)); // false
+ *
+ * brace.pushNode(close);
+ * console.log(utils.hasClose(brace)); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.hasClose = function(node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  var last = node.last || node.nodes ? node.nodes[node.nodes.length - 1] : null;
+  if (utils.isNode(last)) {
+    return last.type === node.type + '.close';
+  }
+  return false;
+};
+
+/**
+ * Returns true if `node.nodes` has both `.open` and `.close` nodes
+ *
+ * ```js
+ * var Node = require('snapdragon-node');
+ * var brace = new Node({
+ *   type: 'brace',
+ *   nodes: []
+ * });
+ *
+ * var open = new Node({type: 'brace.open'});
+ * var close = new Node({type: 'brace.close'});
+ * console.log(utils.hasOpen(brace)); // false
+ * console.log(utils.hasClose(brace)); // false
+ *
+ * brace.pushNode(open);
+ * brace.pushNode(close);
+ * console.log(utils.hasOpen(brace)); // true
+ * console.log(utils.hasClose(brace)); // true
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.hasOpenAndClose = function(node) {
+  return utils.hasOpen(node) && utils.hasClose(node);
+};
+
+/**
+ * Push the given `node` onto the `state.inside` array for the
+ * given type. This array is used as a specialized "stack" for
+ * only the given `node.type`.
+ *
+ * ```js
+ * var state = { inside: {}};
+ * var node = new Node({type: 'brace'});
+ * utils.addType(state, node);
+ * console.log(state.inside);
+ * //=> { brace: [{type: 'brace'}] }
+ * ```
+ * @param {Object} `state` The `compiler.state` object or custom state object.
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Array} Returns the `state.inside` stack for the given type.
+ * @api public
+ */
+
+utils.addType = function(state, node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isObject(state), 'expected state to be an object');
+
+  var type = node.parent
+    ? node.parent.type
+    : node.type.replace(/\.open$/, '');
+
+  if (!state.hasOwnProperty('inside')) {
+    state.inside = {};
+  }
+  if (!state.inside.hasOwnProperty(type)) {
+    state.inside[type] = [];
+  }
+
+  var arr = state.inside[type];
+  arr.push(node);
+  return arr;
+};
+
+/**
+ * Remove the given `node` from the `state.inside` array for the
+ * given type. This array is used as a specialized "stack" for
+ * only the given `node.type`.
+ *
+ * ```js
+ * var state = { inside: {}};
+ * var node = new Node({type: 'brace'});
+ * utils.addType(state, node);
+ * console.log(state.inside);
+ * //=> { brace: [{type: 'brace'}] }
+ * utils.removeType(state, node);
+ * //=> { brace: [] }
+ * ```
+ * @param {Object} `state` The `compiler.state` object or custom state object.
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @return {Array} Returns the `state.inside` stack for the given type.
+ * @api public
+ */
+
+utils.removeType = function(state, node) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isObject(state), 'expected state to be an object');
+
+  var type = node.parent
+    ? node.parent.type
+    : node.type.replace(/\.close$/, '');
+
+  if (state.inside.hasOwnProperty(type)) {
+    return state.inside[type].pop();
+  }
+};
+
+/**
+ * Returns true if `node.val` is an empty string, or `node.nodes` does
+ * not contain any non-empty text nodes.
+ *
+ * ```js
+ * var node = new Node({type: 'text'});
+ * utils.isEmpty(node); //=> true
+ * node.val = 'foo';
+ * utils.isEmpty(node); //=> false
+ * ```
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {Function} `fn`
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isEmpty = function(node, fn) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+
+  if (!Array.isArray(node.nodes)) {
+    if (node.type !== 'text') {
+      return true;
+    }
+    if (typeof fn === 'function') {
+      return fn(node, node.parent);
+    }
+    return !utils.trim(node.val);
+  }
+
+  for (var i = 0; i < node.nodes.length; i++) {
+    var child = node.nodes[i];
+    if (utils.isOpen(child) || utils.isClose(child)) {
+      continue;
+    }
+    if (!utils.isEmpty(child, fn)) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Returns true if the `state.inside` stack for the given type exists
+ * and has one or more nodes on it.
+ *
+ * ```js
+ * var state = { inside: {}};
+ * var node = new Node({type: 'brace'});
+ * console.log(utils.isInsideType(state, 'brace')); //=> false
+ * utils.addType(state, node);
+ * console.log(utils.isInsideType(state, 'brace')); //=> true
+ * utils.removeType(state, node);
+ * console.log(utils.isInsideType(state, 'brace')); //=> false
+ * ```
+ * @param {Object} `state`
+ * @param {String} `type`
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isInsideType = function(state, type) {
+  assert(isObject(state), 'expected state to be an object');
+  assert(isString(type), 'expected type to be a string');
+
+  if (!state.hasOwnProperty('inside')) {
+    return false;
+  }
+
+  if (!state.inside.hasOwnProperty(type)) {
+    return false;
+  }
+
+  return state.inside[type].length > 0;
+};
+
+/**
+ * Returns true if `node` is either a child or grand-child of the given `type`,
+ * or `state.inside[type]` is a non-empty array.
+ *
+ * ```js
+ * var state = { inside: {}};
+ * var node = new Node({type: 'brace'});
+ * var open = new Node({type: 'brace.open'});
+ * console.log(utils.isInside(state, open, 'brace')); //=> false
+ * utils.pushNode(node, open);
+ * console.log(utils.isInside(state, open, 'brace')); //=> true
+ * ```
+ * @param {Object} `state` Either the `compiler.state` object, if it exists, or a user-supplied state object.
+ * @param {Object} `node` Instance of [snapdragon-node][]
+ * @param {String} `type` The `node.type` to check for.
+ * @return {Boolean}
+ * @api public
+ */
+
+utils.isInside = function(state, node, type) {
+  assert(utils.isNode(node), 'expected node to be an instance of Node');
+  assert(isObject(state), 'expected state to be an object');
+
+  if (Array.isArray(type)) {
+    for (var i = 0; i < type.length; i++) {
+      if (utils.isInside(state, node, type[i])) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  var parent = node.parent;
+  if (typeof type === 'string') {
+    return (parent && parent.type === type) || utils.isInsideType(state, type);
+  }
+
+  if (typeOf(type) === 'regexp') {
+    if (parent && parent.type && type.test(parent.type)) {
+      return true;
+    }
+
+    var keys = Object.keys(state.inside);
+    var len = keys.length;
+    var idx = -1;
+    while (++idx < len) {
+      var key = keys[idx];
+      var val = state.inside[key];
+
+      if (Array.isArray(val) && val.length !== 0 && type.test(key)) {
+        return true;
+      }
+    }
+  }
+  return false;
+};
+
+/**
+ * Get the last `n` element from the given `array`. Used for getting
+ * a node from `node.nodes.`
+ *
+ * @param {Array} `array`
+ * @param {Number} `n`
+ * @return {undefined}
+ * @api public
+ */
+
+utils.last = function(arr, n) {
+  return arr[arr.length - (n || 1)];
+};
+
+/**
+ * Cast the given `val` to an array.
+ *
+ * ```js
+ * console.log(utils.arrayify(''));
+ * //=> []
+ * console.log(utils.arrayify('foo'));
+ * //=> ['foo']
+ * console.log(utils.arrayify(['foo']));
+ * //=> ['foo']
+ * ```
+ * @param {any} `val`
+ * @return {Array}
+ * @api public
+ */
+
+utils.arrayify = function(val) {
+  if (typeof val === 'string' && val !== '') {
+    return [val];
+  }
+  if (!Array.isArray(val)) {
+    return [];
+  }
+  return val;
+};
+
+/**
+ * Convert the given `val` to a string by joining with `,`. Useful
+ * for creating a cheerio/CSS/DOM-style selector from a list of strings.
+ *
+ * @param {any} `val`
+ * @return {Array}
+ * @api public
+ */
+
+utils.stringify = function(val) {
+  return utils.arrayify(val).join(',');
+};
+
+/**
+ * Ensure that the given value is a string and call `.trim()` on it,
+ * or return an empty string.
+ *
+ * @param {String} `str`
+ * @return {String}
+ * @api public
+ */
+
+utils.trim = function(str) {
+  return typeof str === 'string' ? str.trim() : '';
+};
+
+/**
+ * Return true if val is an object
+ */
+
+function isObject(val) {
+  return typeOf(val) === 'object';
+}
+
+/**
+ * Return true if val is a string
+ */
+
+function isString(val) {
+  return typeof val === 'string';
+}
+
+/**
+ * Return true if val is a function
+ */
+
+function isFunction(val) {
+  return typeof val === 'function';
+}
+
+/**
+ * Return true if val is an array
+ */
+
+function isArray(val) {
+  return Array.isArray(val);
+}
+
+/**
+ * Shim to ensure the `.append` methods work with any version of snapdragon
+ */
+
+function append(compiler, val, node) {
+  if (typeof compiler.append !== 'function') {
+    return compiler.emit(val, node);
+  }
+  return compiler.append(val, node);
+}
+
+/**
+ * Simplified assertion. Throws an error is `val` is falsey.
+ */
+
+function assert(val, message) {
+  if (!val) throw new Error(message);
+}
diff --git a/node_modules/snapdragon-util/node_modules/kind-of/LICENSE b/node_modules/snapdragon-util/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/snapdragon-util/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon-util/node_modules/kind-of/README.md b/node_modules/snapdragon-util/node_modules/kind-of/README.md
new file mode 100644
index 00000000..6a9df36d
--- /dev/null
+++ b/node_modules/snapdragon-util/node_modules/kind-of/README.md
@@ -0,0 +1,261 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+## Install
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Usage
+
+> es5, browser and es6 ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Boolean(true));
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf(new Number(42));
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(new String('str'));
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([]);
+//=> 'array'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(new Array());
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'function'
+
+kindOf(new Function());
+//=> 'function'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `WeakSet`.
+
+```bash
+#1: array
+  current x 23,329,397 ops/sec ±0.82% (94 runs sampled)
+  lib-type-of x 4,170,273 ops/sec ±0.55% (94 runs sampled)
+  lib-typeof x 9,686,935 ops/sec ±0.59% (98 runs sampled)
+
+#2: boolean
+  current x 27,197,115 ops/sec ±0.85% (94 runs sampled)
+  lib-type-of x 3,145,791 ops/sec ±0.73% (97 runs sampled)
+  lib-typeof x 9,199,562 ops/sec ±0.44% (99 runs sampled)
+
+#3: date
+  current x 20,190,117 ops/sec ±0.86% (92 runs sampled)
+  lib-type-of x 5,166,970 ops/sec ±0.74% (94 runs sampled)
+  lib-typeof x 9,610,821 ops/sec ±0.50% (96 runs sampled)
+
+#4: function
+  current x 23,855,460 ops/sec ±0.60% (97 runs sampled)
+  lib-type-of x 5,667,740 ops/sec ±0.54% (100 runs sampled)
+  lib-typeof x 10,010,644 ops/sec ±0.44% (100 runs sampled)
+
+#5: null
+  current x 27,061,047 ops/sec ±0.97% (96 runs sampled)
+  lib-type-of x 13,965,573 ops/sec ±0.62% (97 runs sampled)
+  lib-typeof x 8,460,194 ops/sec ±0.61% (97 runs sampled)
+
+#6: number
+  current x 25,075,682 ops/sec ±0.53% (99 runs sampled)
+  lib-type-of x 2,266,405 ops/sec ±0.41% (98 runs sampled)
+  lib-typeof x 9,821,481 ops/sec ±0.45% (99 runs sampled)
+
+#7: object
+  current x 3,348,980 ops/sec ±0.49% (99 runs sampled)
+  lib-type-of x 3,245,138 ops/sec ±0.60% (94 runs sampled)
+  lib-typeof x 9,262,952 ops/sec ±0.59% (99 runs sampled)
+
+#8: regex
+  current x 21,284,827 ops/sec ±0.72% (96 runs sampled)
+  lib-type-of x 4,689,241 ops/sec ±0.43% (100 runs sampled)
+  lib-typeof x 8,957,593 ops/sec ±0.62% (98 runs sampled)
+
+#9: string
+  current x 25,379,234 ops/sec ±0.58% (96 runs sampled)
+  lib-type-of x 3,635,148 ops/sec ±0.76% (93 runs sampled)
+  lib-typeof x 9,494,134 ops/sec ±0.49% (98 runs sampled)
+
+#10: undef
+  current x 27,459,221 ops/sec ±1.01% (93 runs sampled)
+  lib-type-of x 14,360,433 ops/sec ±0.52% (99 runs sampled)
+  lib-typeof x 23,202,868 ops/sec ±0.59% (94 runs sampled)
+
+```
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+
+## About
+
+### Related projects
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [miguelmota](https://github.com/miguelmota) |
+| 1 | [dtothefp](https://github.com/dtothefp) |
+| 1 | [ksheedlo](https://github.com/ksheedlo) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+| 1 | [laggingreflex](https://github.com/laggingreflex) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 16, 2017._
\ No newline at end of file
diff --git a/node_modules/snapdragon-util/node_modules/kind-of/index.js b/node_modules/snapdragon-util/node_modules/kind-of/index.js
new file mode 100644
index 00000000..b52c2917
--- /dev/null
+++ b/node_modules/snapdragon-util/node_modules/kind-of/index.js
@@ -0,0 +1,116 @@
+var isBuffer = require('is-buffer');
+var toString = Object.prototype.toString;
+
+/**
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
+ */
+
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
+  }
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};
diff --git a/node_modules/snapdragon-util/node_modules/kind-of/package.json b/node_modules/snapdragon-util/node_modules/kind-of/package.json
new file mode 100644
index 00000000..5de879e1
--- /dev/null
+++ b/node_modules/snapdragon-util/node_modules/kind-of/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "3.2.2",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "dependencies": {
+    "is-buffer": "^1.1.5"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "benchmarked": "^1.0.0",
+    "browserify": "^14.3.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.3.0",
+    "type-of": "^2.0.1",
+    "typeof": "^1.0.0"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/snapdragon-util/package.json b/node_modules/snapdragon-util/package.json
new file mode 100644
index 00000000..434c4f50
--- /dev/null
+++ b/node_modules/snapdragon-util/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "snapdragon-util",
+  "description": "Utilities for the snapdragon parser/compiler.",
+  "version": "3.0.1",
+  "homepage": "https://github.com/jonschlinkert/snapdragon-util",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/snapdragon-util",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/snapdragon-util/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "kind-of": "^3.2.0"
+  },
+  "devDependencies": {
+    "define-property": "^1.0.0",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-format-md": "^0.1.12",
+    "gulp-istanbul": "^1.1.1",
+    "gulp-mocha": "^3.0.0",
+    "isobject": "^3.0.0",
+    "mocha": "^3.3.0",
+    "snapdragon": "^0.11.0",
+    "snapdragon-node": "^1.0.6"
+  },
+  "keywords": [
+    "capture",
+    "compile",
+    "compiler",
+    "convert",
+    "match",
+    "parse",
+    "parser",
+    "plugin",
+    "render",
+    "snapdragon",
+    "snapdragonplugin",
+    "transform",
+    "util"
+  ],
+  "verb": {
+    "toc": "collapsible",
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/snapdragon/LICENSE b/node_modules/snapdragon/LICENSE
new file mode 100644
index 00000000..1e49edf8
--- /dev/null
+++ b/node_modules/snapdragon/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon/README.md b/node_modules/snapdragon/README.md
new file mode 100644
index 00000000..4006e10f
--- /dev/null
+++ b/node_modules/snapdragon/README.md
@@ -0,0 +1,321 @@
+# snapdragon [![NPM version](https://img.shields.io/npm/v/snapdragon.svg?style=flat)](https://www.npmjs.com/package/snapdragon) [![NPM downloads](https://img.shields.io/npm/dm/snapdragon.svg?style=flat)](https://npmjs.org/package/snapdragon) [![Build Status](https://img.shields.io/travis/jonschlinkert/snapdragon.svg?style=flat)](https://travis-ci.org/jonschlinkert/snapdragon)
+
+> Fast, pluggable and easy-to-use parser-renderer factory.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save snapdragon
+```
+
+Created by [jonschlinkert](https://github.com/jonschlinkert) and [doowb](https://github.com/doowb).
+
+**Features**
+
+* Bootstrap your own parser, get sourcemap support for free
+* All parsing and compiling is handled by simple, reusable middleware functions
+* Inspired by the parsers in [pug](http://jade-lang.com) and [css](https://github.com/reworkcss/css).
+
+## History
+
+### v0.5.0
+
+**Breaking changes**
+
+Substantial breaking changes were made in v0.5.0! Most of these changes are part of a larger refactor that will be finished in 0.6.0, including the introduction of a `Lexer` class.
+
+* Renderer was renamed to `Compiler`
+* the `.render` method was renamed to `.compile`
+* Many other smaller changes. A more detailed overview will be provided in 0.6.0. If you don't have to time review code, I recommend you wait for the 0.6.0 release.
+
+## Usage examples
+
+```js
+var Snapdragon = require('snapdragon');
+var snapdragon = new Snapdragon();
+```
+
+**Parse**
+
+```js
+var ast = snapdragon.parser('some string', options)
+  // parser middleware that can be called by other middleware
+  .set('foo', function () {})
+  // parser middleware, runs immediately in the order defined
+  .use(bar())
+  .use(baz())
+```
+
+**Render**
+
+```js
+// pass the `ast` from the parse method
+var res = snapdragon.compiler(ast)
+  // compiler middleware, called when the name of the middleware
+  // matches the `node.type` (defined in a parser middleware)
+  .set('bar', function () {})
+  .set('baz', function () {})
+  .compile()
+```
+
+See the [examples](./examples/).
+
+## Getting started
+
+**Parsers**
+
+Parsers are middleware functions used for parsing a string into an ast node.
+
+```js
+var ast = snapdragon.parser(str, options)
+  .use(function() {
+    var pos = this.position();
+    var m = this.match(/^\./);
+    if (!m) return;
+    return pos({
+      // `type` specifies the compiler to use
+      type: 'dot',
+      val: m[0]
+    });
+  })
+```
+
+**AST node**
+
+When the parser finds a match, `pos()` is called, pushing a token for that node onto the ast that looks something like:
+
+```js
+{ type: 'dot',
+  val: '.',
+  position:
+   { start: { lineno: 1, column: 1 },
+     end: { lineno: 1, column: 2 } }}
+```
+
+**Renderers**
+
+Renderers are _named_ middleware functions that visit over an array of ast nodes to compile a string.
+
+```js
+var res = snapdragon.compiler(ast)
+  .set('dot', function (node) {
+    console.log(node.val)
+    //=> '.'
+    return this.emit(node.val);
+  })
+```
+
+**Source maps**
+
+If you want source map support, make sure to emit the position as well.
+
+```js
+var res = snapdragon.compiler(ast)
+  .set('dot', function (node) {
+    return this.emit(node.val, node.position);
+  })
+```
+
+## Docs
+
+### Parser middleware
+
+A parser middleware is a function that returns an abject called a `token`. This token is pushed onto the AST as a node.
+
+**Example token**
+
+```js
+{ type: 'dot',
+  val: '.',
+  position:
+   { start: { lineno: 1, column: 1 },
+     end: { lineno: 1, column: 2 } }}
+```
+
+**Example parser middleware**
+
+Match a single `.` in a string:
+
+1. Get the starting position by calling `this.position()`
+2. pass a regex for matching a single dot to the `.match` method
+3. if **no match** is found, return `undefined`
+4. if a **match** is found, `pos()` is called, which returns a token with:
+  - `type`: the name of the [compiler] to use
+  - `val`: The actual value captured by the regex. In this case, a `.`. Note that you can capture and return whatever will be needed by the corresponding [compiler].
+  - The ending position: automatically calculated by adding the length of the first capture group to the starting position.
+
+## Renderer middleware
+
+Renderers are run when the name of the compiler middleware matches the `type` defined on an ast `node` (which is defined in a parser).
+
+**Example**
+
+Exercise: Parse a dot, then compile it as an escaped dot.
+
+```js
+var ast = snapdragon.parser('.')
+  .use(function () {
+    var pos = this.position();
+    var m = this.match(/^\./);
+    if (!m) return;
+    return pos({
+      // define the `type` of compiler to use
+      type: 'dot',
+      val: m[0]
+    })
+  })
+
+var result = snapdragon.compiler(ast)
+  .set('dot', function (node) {
+    return this.emit('\\' + node.val);
+  })
+  .compile()
+
+console.log(result.output);
+//=> '\.'
+```
+
+## API
+
+### [Parser](lib/parser.js#L19)
+
+Create a new `Parser` with the given `input` and `options`.
+
+**Params**
+
+* `input` **{String}**
+* `options` **{Object}**
+
+### [.define](lib/parser.js#L103)
+
+Define a non-enumberable property on the `Parser` instance.
+
+**Example**
+
+```js
+parser.define('foo', 'bar');
+```
+
+**Params**
+
+* `key` **{String}**: propery name
+* `val` **{any}**: property value
+* `returns` **{Object}**: Returns the Parser instance for chaining.
+
+Set parser `name` with the given `fn`
+
+**Params**
+
+* `name` **{String}**
+* `fn` **{Function}**
+
+Get parser `name`
+
+**Params**
+
+* `name` **{String}**
+
+Push a `token` onto the `type` stack.
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Object}** `token`
+
+Pop a token off of the `type` stack
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Object}**: Returns a token
+
+Return true if inside a `stack` node. Types are `braces`, `parens` or `brackets`.
+
+**Params**
+
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+**Example**
+
+```js
+parser.isType(node, 'brace');
+```
+
+**Params**
+
+* `node` **{Object}**
+* `type` **{String}**
+* `returns` **{Boolean}**
+
+### [.define](lib/compiler.js#L71)
+
+Define a non-enumberable property on the `Compiler` instance.
+
+**Example**
+
+```js
+compiler.define('foo', 'bar');
+```
+
+**Params**
+
+* `key` **{String}**: propery name
+* `val` **{any}**: property value
+* `returns` **{Object}**: Returns the Compiler instance for chaining.
+
+## About
+
+### Related projects
+
+* [braces](https://www.npmjs.com/package/braces): Fastest brace expansion for node.js, with the most complete support for the Bash 4.3 braces… [more](https://github.com/jonschlinkert/braces) | [homepage](https://github.com/jonschlinkert/braces "Fastest brace expansion for node.js, with the most complete support for the Bash 4.3 braces specification.")
+* [expand-brackets](https://www.npmjs.com/package/expand-brackets): Expand POSIX bracket expressions (character classes) in glob patterns. | [homepage](https://github.com/jonschlinkert/expand-brackets "Expand POSIX bracket expressions (character classes) in glob patterns.")
+* [extglob](https://www.npmjs.com/package/extglob): Convert extended globs to regex-compatible strings. Add (almost) the expressive power of regular expressions to… [more](https://github.com/jonschlinkert/extglob) | [homepage](https://github.com/jonschlinkert/extglob "Convert extended globs to regex-compatible strings. Add (almost) the expressive power of regular expressions to glob patterns.")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor**<br/> | 
+| --- | --- |
+| 106 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [doowb](https://github.com/doowb) |
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/snapdragon/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.31, on October 10, 2016._
\ No newline at end of file
diff --git a/node_modules/snapdragon/index.js b/node_modules/snapdragon/index.js
new file mode 100644
index 00000000..235b464b
--- /dev/null
+++ b/node_modules/snapdragon/index.js
@@ -0,0 +1,174 @@
+'use strict';
+
+var Base = require('base');
+var define = require('define-property');
+var Compiler = require('./lib/compiler');
+var Parser = require('./lib/parser');
+var utils = require('./lib/utils');
+var regexCache = {};
+var cache = {};
+
+/**
+ * Create a new instance of `Snapdragon` with the given `options`.
+ *
+ * ```js
+ * var snapdragon = new Snapdragon();
+ * ```
+ *
+ * @param {Object} `options`
+ * @api public
+ */
+
+function Snapdragon(options) {
+  Base.call(this, null, options);
+  this.options = utils.extend({source: 'string'}, this.options);
+  this.compiler = new Compiler(this.options);
+  this.parser = new Parser(this.options);
+
+  Object.defineProperty(this, 'compilers', {
+    get: function() {
+      return this.compiler.compilers;
+    }
+  });
+
+  Object.defineProperty(this, 'parsers', {
+    get: function() {
+      return this.parser.parsers;
+    }
+  });
+
+  Object.defineProperty(this, 'regex', {
+    get: function() {
+      return this.parser.regex;
+    }
+  });
+}
+
+/**
+ * Inherit Base
+ */
+
+Base.extend(Snapdragon);
+
+/**
+ * Add a parser to `snapdragon.parsers` for capturing the given `type` using
+ * the specified regex or parser function. A function is useful if you need
+ * to customize how the token is created and/or have access to the parser
+ * instance to check options, etc.
+ *
+ * ```js
+ * snapdragon
+ *   .capture('slash', /^\//)
+ *   .capture('dot', function() {
+ *     var pos = this.position();
+ *     var m = this.match(/^\./);
+ *     if (!m) return;
+ *     return pos({
+ *       type: 'dot',
+ *       val: m[0]
+ *     });
+ *   });
+ * ```
+ * @param {String} `type`
+ * @param {RegExp|Function} `regex`
+ * @return {Object} Returns the parser instance for chaining
+ * @api public
+ */
+
+Snapdragon.prototype.capture = function() {
+  return this.parser.capture.apply(this.parser, arguments);
+};
+
+/**
+ * Register a plugin `fn`.
+ *
+ * ```js
+ * var snapdragon = new Snapdgragon([options]);
+ * snapdragon.use(function() {
+ *   console.log(this);          //<= snapdragon instance
+ *   console.log(this.parser);   //<= parser instance
+ *   console.log(this.compiler); //<= compiler instance
+ * });
+ * ```
+ * @param {Object} `fn`
+ * @api public
+ */
+
+Snapdragon.prototype.use = function(fn) {
+  fn.call(this, this);
+  return this;
+};
+
+/**
+ * Parse the given `str`.
+ *
+ * ```js
+ * var snapdragon = new Snapdgragon([options]);
+ * // register parsers
+ * snapdragon.parser.use(function() {});
+ *
+ * // parse
+ * var ast = snapdragon.parse('foo/bar');
+ * console.log(ast);
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options` Set `options.sourcemap` to true to enable source maps.
+ * @return {Object} Returns an AST.
+ * @api public
+ */
+
+Snapdragon.prototype.parse = function(str, options) {
+  this.options = utils.extend({}, this.options, options);
+  var parsed = this.parser.parse(str, this.options);
+
+  // add non-enumerable parser reference
+  define(parsed, 'parser', this.parser);
+  return parsed;
+};
+
+/**
+ * Compile the given `AST`.
+ *
+ * ```js
+ * var snapdragon = new Snapdgragon([options]);
+ * // register plugins
+ * snapdragon.use(function() {});
+ * // register parser plugins
+ * snapdragon.parser.use(function() {});
+ * // register compiler plugins
+ * snapdragon.compiler.use(function() {});
+ *
+ * // parse
+ * var ast = snapdragon.parse('foo/bar');
+ *
+ * // compile
+ * var res = snapdragon.compile(ast);
+ * console.log(res.output);
+ * ```
+ * @param {Object} `ast`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with an `output` property with the rendered string.
+ * @api public
+ */
+
+Snapdragon.prototype.compile = function(ast, options) {
+  this.options = utils.extend({}, this.options, options);
+  var compiled = this.compiler.compile(ast, this.options);
+
+  // add non-enumerable compiler reference
+  define(compiled, 'compiler', this.compiler);
+  return compiled;
+};
+
+/**
+ * Expose `Snapdragon`
+ */
+
+module.exports = Snapdragon;
+
+/**
+ * Expose `Parser` and `Compiler`
+ */
+
+module.exports.Compiler = Compiler;
+module.exports.Parser = Parser;
diff --git a/node_modules/snapdragon/lib/compiler.js b/node_modules/snapdragon/lib/compiler.js
new file mode 100644
index 00000000..0ce9d217
--- /dev/null
+++ b/node_modules/snapdragon/lib/compiler.js
@@ -0,0 +1,177 @@
+'use strict';
+
+var use = require('use');
+var define = require('define-property');
+var debug = require('debug')('snapdragon:compiler');
+var utils = require('./utils');
+
+/**
+ * Create a new `Compiler` with the given `options`.
+ * @param {Object} `options`
+ */
+
+function Compiler(options, state) {
+  debug('initializing', __filename);
+  this.options = utils.extend({source: 'string'}, options);
+  this.state = state || {};
+  this.compilers = {};
+  this.output = '';
+  this.set('eos', function(node) {
+    return this.emit(node.val, node);
+  });
+  this.set('noop', function(node) {
+    return this.emit(node.val, node);
+  });
+  this.set('bos', function(node) {
+    return this.emit(node.val, node);
+  });
+  use(this);
+}
+
+/**
+ * Prototype methods
+ */
+
+Compiler.prototype = {
+
+  /**
+   * Throw an error message with details including the cursor position.
+   * @param {String} `msg` Message to use in the Error.
+   */
+
+  error: function(msg, node) {
+    var pos = node.position || {start: {column: 0}};
+    var message = this.options.source + ' column:' + pos.start.column + ': ' + msg;
+
+    var err = new Error(message);
+    err.reason = msg;
+    err.column = pos.start.column;
+    err.source = this.pattern;
+
+    if (this.options.silent) {
+      this.errors.push(err);
+    } else {
+      throw err;
+    }
+  },
+
+  /**
+   * Define a non-enumberable property on the `Compiler` instance.
+   *
+   * ```js
+   * compiler.define('foo', 'bar');
+   * ```
+   * @name .define
+   * @param {String} `key` propery name
+   * @param {any} `val` property value
+   * @return {Object} Returns the Compiler instance for chaining.
+   * @api public
+   */
+
+  define: function(key, val) {
+    define(this, key, val);
+    return this;
+  },
+
+  /**
+   * Emit `node.val`
+   */
+
+  emit: function(str, node) {
+    this.output += str;
+    return str;
+  },
+
+  /**
+   * Add a compiler `fn` with the given `name`
+   */
+
+  set: function(name, fn) {
+    this.compilers[name] = fn;
+    return this;
+  },
+
+  /**
+   * Get compiler `name`.
+   */
+
+  get: function(name) {
+    return this.compilers[name];
+  },
+
+  /**
+   * Get the previous AST node.
+   */
+
+  prev: function(n) {
+    return this.ast.nodes[this.idx - (n || 1)] || { type: 'bos', val: '' };
+  },
+
+  /**
+   * Get the next AST node.
+   */
+
+  next: function(n) {
+    return this.ast.nodes[this.idx + (n || 1)] || { type: 'eos', val: '' };
+  },
+
+  /**
+   * Visit `node`.
+   */
+
+  visit: function(node, nodes, i) {
+    var fn = this.compilers[node.type];
+    this.idx = i;
+
+    if (typeof fn !== 'function') {
+      throw this.error('compiler "' + node.type + '" is not registered', node);
+    }
+    return fn.call(this, node, nodes, i);
+  },
+
+  /**
+   * Map visit over array of `nodes`.
+   */
+
+  mapVisit: function(nodes) {
+    if (!Array.isArray(nodes)) {
+      throw new TypeError('expected an array');
+    }
+    var len = nodes.length;
+    var idx = -1;
+    while (++idx < len) {
+      this.visit(nodes[idx], nodes, idx);
+    }
+    return this;
+  },
+
+  /**
+   * Compile `ast`.
+   */
+
+  compile: function(ast, options) {
+    var opts = utils.extend({}, this.options, options);
+    this.ast = ast;
+    this.parsingErrors = this.ast.errors;
+    this.output = '';
+
+    // source map support
+    if (opts.sourcemap) {
+      var sourcemaps = require('./source-maps');
+      sourcemaps(this);
+      this.mapVisit(this.ast.nodes);
+      this.applySourceMaps();
+      this.map = opts.sourcemap === 'generator' ? this.map : this.map.toJSON();
+      return this;
+    }
+
+    this.mapVisit(this.ast.nodes);
+    return this;
+  }
+};
+
+/**
+ * Expose `Compiler`
+ */
+
+module.exports = Compiler;
diff --git a/node_modules/snapdragon/lib/parser.js b/node_modules/snapdragon/lib/parser.js
new file mode 100644
index 00000000..a5a9b31c
--- /dev/null
+++ b/node_modules/snapdragon/lib/parser.js
@@ -0,0 +1,533 @@
+'use strict';
+
+var use = require('use');
+var util = require('util');
+var Cache = require('map-cache');
+var define = require('define-property');
+var debug = require('debug')('snapdragon:parser');
+var Position = require('./position');
+var utils = require('./utils');
+
+/**
+ * Create a new `Parser` with the given `input` and `options`.
+ * @param {String} `input`
+ * @param {Object} `options`
+ * @api public
+ */
+
+function Parser(options) {
+  debug('initializing', __filename);
+  this.options = utils.extend({source: 'string'}, options);
+  this.init(this.options);
+  use(this);
+}
+
+/**
+ * Prototype methods
+ */
+
+Parser.prototype = {
+  constructor: Parser,
+
+  init: function(options) {
+    this.orig = '';
+    this.input = '';
+    this.parsed = '';
+
+    this.column = 1;
+    this.line = 1;
+
+    this.regex = new Cache();
+    this.errors = this.errors || [];
+    this.parsers = this.parsers || {};
+    this.types = this.types || [];
+    this.sets = this.sets || {};
+    this.fns = this.fns || [];
+    this.currentType = 'root';
+
+    var pos = this.position();
+    this.bos = pos({type: 'bos', val: ''});
+
+    this.ast = {
+      type: 'root',
+      errors: this.errors,
+      nodes: [this.bos]
+    };
+
+    define(this.bos, 'parent', this.ast);
+    this.nodes = [this.ast];
+
+    this.count = 0;
+    this.setCount = 0;
+    this.stack = [];
+  },
+
+  /**
+   * Throw a formatted error with the cursor column and `msg`.
+   * @param {String} `msg` Message to use in the Error.
+   */
+
+  error: function(msg, node) {
+    var pos = node.position || {start: {column: 0, line: 0}};
+    var line = pos.start.line;
+    var column = pos.start.column;
+    var source = this.options.source;
+
+    var message = source + ' <line:' + line + ' column:' + column + '>: ' + msg;
+    var err = new Error(message);
+    err.source = source;
+    err.reason = msg;
+    err.pos = pos;
+
+    if (this.options.silent) {
+      this.errors.push(err);
+    } else {
+      throw err;
+    }
+  },
+
+  /**
+   * Define a non-enumberable property on the `Parser` instance.
+   *
+   * ```js
+   * parser.define('foo', 'bar');
+   * ```
+   * @name .define
+   * @param {String} `key` propery name
+   * @param {any} `val` property value
+   * @return {Object} Returns the Parser instance for chaining.
+   * @api public
+   */
+
+  define: function(key, val) {
+    define(this, key, val);
+    return this;
+  },
+
+  /**
+   * Mark position and patch `node.position`.
+   */
+
+  position: function() {
+    var start = { line: this.line, column: this.column };
+    var self = this;
+
+    return function(node) {
+      define(node, 'position', new Position(start, self));
+      return node;
+    };
+  },
+
+  /**
+   * Set parser `name` with the given `fn`
+   * @param {String} `name`
+   * @param {Function} `fn`
+   * @api public
+   */
+
+  set: function(type, fn) {
+    if (this.types.indexOf(type) === -1) {
+      this.types.push(type);
+    }
+    this.parsers[type] = fn.bind(this);
+    return this;
+  },
+
+  /**
+   * Get parser `name`
+   * @param {String} `name`
+   * @api public
+   */
+
+  get: function(name) {
+    return this.parsers[name];
+  },
+
+  /**
+   * Push a `token` onto the `type` stack.
+   *
+   * @param {String} `type`
+   * @return {Object} `token`
+   * @api public
+   */
+
+  push: function(type, token) {
+    this.sets[type] = this.sets[type] || [];
+    this.count++;
+    this.stack.push(token);
+    return this.sets[type].push(token);
+  },
+
+  /**
+   * Pop a token off of the `type` stack
+   * @param {String} `type`
+   * @returns {Object} Returns a token
+   * @api public
+   */
+
+  pop: function(type) {
+    this.sets[type] = this.sets[type] || [];
+    this.count--;
+    this.stack.pop();
+    return this.sets[type].pop();
+  },
+
+  /**
+   * Return true if inside a `stack` node. Types are `braces`, `parens` or `brackets`.
+   *
+   * @param {String} `type`
+   * @return {Boolean}
+   * @api public
+   */
+
+  isInside: function(type) {
+    this.sets[type] = this.sets[type] || [];
+    return this.sets[type].length > 0;
+  },
+
+  /**
+   * Return true if `node` is the given `type`.
+   *
+   * ```js
+   * parser.isType(node, 'brace');
+   * ```
+   * @param {Object} `node`
+   * @param {String} `type`
+   * @return {Boolean}
+   * @api public
+   */
+
+  isType: function(node, type) {
+    return node && node.type === type;
+  },
+
+  /**
+   * Get the previous AST node
+   * @return {Object}
+   */
+
+  prev: function(n) {
+    return this.stack.length > 0
+      ? utils.last(this.stack, n)
+      : utils.last(this.nodes, n);
+  },
+
+  /**
+   * Update line and column based on `str`.
+   */
+
+  consume: function(len) {
+    this.input = this.input.substr(len);
+  },
+
+  /**
+   * Update column based on `str`.
+   */
+
+  updatePosition: function(str, len) {
+    var lines = str.match(/\n/g);
+    if (lines) this.line += lines.length;
+    var i = str.lastIndexOf('\n');
+    this.column = ~i ? len - i : this.column + len;
+    this.parsed += str;
+    this.consume(len);
+  },
+
+  /**
+   * Match `regex`, return captures, and update the cursor position by `match[0]` length.
+   * @param {RegExp} `regex`
+   * @return {Object}
+   */
+
+  match: function(regex) {
+    var m = regex.exec(this.input);
+    if (m) {
+      this.updatePosition(m[0], m[0].length);
+      return m;
+    }
+  },
+
+  /**
+   * Capture `type` with the given regex.
+   * @param {String} `type`
+   * @param {RegExp} `regex`
+   * @return {Function}
+   */
+
+  capture: function(type, regex) {
+    if (typeof regex === 'function') {
+      return this.set.apply(this, arguments);
+    }
+
+    this.regex.set(type, regex);
+    this.set(type, function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(regex);
+      if (!m || !m[0]) return;
+
+      var prev = this.prev();
+      var node = pos({
+        type: type,
+        val: m[0],
+        parsed: parsed,
+        rest: this.input
+      });
+
+      if (m[1]) {
+        node.inner = m[1];
+      }
+
+      define(node, 'inside', this.stack.length > 0);
+      define(node, 'parent', prev);
+      prev.nodes.push(node);
+    }.bind(this));
+    return this;
+  },
+
+  /**
+   * Create a parser with open and close for parens,
+   * brackets or braces
+   */
+
+  capturePair: function(type, openRegex, closeRegex, fn) {
+    this.sets[type] = this.sets[type] || [];
+
+    /**
+     * Open
+     */
+
+    this.set(type + '.open', function() {
+      var parsed = this.parsed;
+      var pos = this.position();
+      var m = this.match(openRegex);
+      if (!m || !m[0]) return;
+
+      var val = m[0];
+      this.setCount++;
+      this.specialChars = true;
+      var open = pos({
+        type: type + '.open',
+        val: val,
+        rest: this.input
+      });
+
+      if (typeof m[1] !== 'undefined') {
+        open.inner = m[1];
+      }
+
+      var prev = this.prev();
+      var node = pos({
+        type: type,
+        nodes: [open]
+      });
+
+      define(node, 'rest', this.input);
+      define(node, 'parsed', parsed);
+      define(node, 'prefix', m[1]);
+      define(node, 'parent', prev);
+      define(open, 'parent', node);
+
+      if (typeof fn === 'function') {
+        fn.call(this, open, node);
+      }
+
+      this.push(type, node);
+      prev.nodes.push(node);
+    });
+
+    /**
+     * Close
+     */
+
+    this.set(type + '.close', function() {
+      var pos = this.position();
+      var m = this.match(closeRegex);
+      if (!m || !m[0]) return;
+
+      var parent = this.pop(type);
+      var node = pos({
+        type: type + '.close',
+        rest: this.input,
+        suffix: m[1],
+        val: m[0]
+      });
+
+      if (!this.isType(parent, type)) {
+        if (this.options.strict) {
+          throw new Error('missing opening "' + type + '"');
+        }
+
+        this.setCount--;
+        node.escaped = true;
+        return node;
+      }
+
+      if (node.suffix === '\\') {
+        parent.escaped = true;
+        node.escaped = true;
+      }
+
+      parent.nodes.push(node);
+      define(node, 'parent', parent);
+    });
+
+    return this;
+  },
+
+  /**
+   * Capture end-of-string
+   */
+
+  eos: function() {
+    var pos = this.position();
+    if (this.input) return;
+    var prev = this.prev();
+
+    while (prev.type !== 'root' && !prev.visited) {
+      if (this.options.strict === true) {
+        throw new SyntaxError('invalid syntax:' + util.inspect(prev, null, 2));
+      }
+
+      if (!hasDelims(prev)) {
+        prev.parent.escaped = true;
+        prev.escaped = true;
+      }
+
+      visit(prev, function(node) {
+        if (!hasDelims(node.parent)) {
+          node.parent.escaped = true;
+          node.escaped = true;
+        }
+      });
+
+      prev = prev.parent;
+    }
+
+    var tok = pos({
+      type: 'eos',
+      val: this.append || ''
+    });
+
+    define(tok, 'parent', this.ast);
+    return tok;
+  },
+
+  /**
+   * Run parsers to advance the cursor position
+   */
+
+  next: function() {
+    var parsed = this.parsed;
+    var len = this.types.length;
+    var idx = -1;
+    var tok;
+
+    while (++idx < len) {
+      if ((tok = this.parsers[this.types[idx]].call(this))) {
+        define(tok, 'rest', this.input);
+        define(tok, 'parsed', parsed);
+        this.last = tok;
+        return tok;
+      }
+    }
+  },
+
+  /**
+   * Parse the given string.
+   * @return {Array}
+   */
+
+  parse: function(input) {
+    if (typeof input !== 'string') {
+      throw new TypeError('expected a string');
+    }
+
+    this.init(this.options);
+    this.orig = input;
+    this.input = input;
+    var self = this;
+
+    function parse() {
+      // check input before calling `.next()`
+      input = self.input;
+
+      // get the next AST ndoe
+      var node = self.next();
+      if (node) {
+        var prev = self.prev();
+        if (prev) {
+          define(node, 'parent', prev);
+          if (prev.nodes) {
+            prev.nodes.push(node);
+          }
+        }
+
+        if (self.sets.hasOwnProperty(prev.type)) {
+          self.currentType = prev.type;
+        }
+      }
+
+      // if we got here but input is not changed, throw an error
+      if (self.input && input === self.input) {
+        throw new Error('no parsers registered for: "' + self.input.slice(0, 5) + '"');
+      }
+    }
+
+    while (this.input) parse();
+    if (this.stack.length && this.options.strict) {
+      var node = this.stack.pop();
+      throw this.error('missing opening ' + node.type + ': "' + this.orig + '"');
+    }
+
+    var eos = this.eos();
+    var tok = this.prev();
+    if (tok.type !== 'eos') {
+      this.ast.nodes.push(eos);
+    }
+
+    return this.ast;
+  }
+};
+
+/**
+ * Visit `node` with the given `fn`
+ */
+
+function visit(node, fn) {
+  if (!node.visited) {
+    define(node, 'visited', true);
+    return node.nodes ? mapVisit(node.nodes, fn) : fn(node);
+  }
+  return node;
+}
+
+/**
+ * Map visit over array of `nodes`.
+ */
+
+function mapVisit(nodes, fn) {
+  var len = nodes.length;
+  var idx = -1;
+  while (++idx < len) {
+    visit(nodes[idx], fn);
+  }
+}
+
+function hasOpen(node) {
+  return node.nodes && node.nodes[0].type === (node.type + '.open');
+}
+
+function hasClose(node) {
+  return node.nodes && utils.last(node.nodes).type === (node.type + '.close');
+}
+
+function hasDelims(node) {
+  return hasOpen(node) && hasClose(node);
+}
+
+/**
+ * Expose `Parser`
+ */
+
+module.exports = Parser;
diff --git a/node_modules/snapdragon/lib/position.js b/node_modules/snapdragon/lib/position.js
new file mode 100644
index 00000000..c859696a
--- /dev/null
+++ b/node_modules/snapdragon/lib/position.js
@@ -0,0 +1,14 @@
+'use strict';
+
+var define = require('define-property');
+
+/**
+ * Store position for a node
+ */
+
+module.exports = function Position(start, parser) {
+  this.start = start;
+  this.end = { line: parser.line, column: parser.column };
+  define(this, 'content', parser.orig);
+  define(this, 'source', parser.options.source);
+};
diff --git a/node_modules/snapdragon/lib/source-maps.js b/node_modules/snapdragon/lib/source-maps.js
new file mode 100644
index 00000000..d8e638b4
--- /dev/null
+++ b/node_modules/snapdragon/lib/source-maps.js
@@ -0,0 +1,145 @@
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+var define = require('define-property');
+var utils = require('./utils');
+
+/**
+ * Expose `mixin()`.
+ * This code is based on `source-maps-support.js` in reworkcss/css
+ * https://github.com/reworkcss/css/blob/master/lib/stringify/source-map-support.js
+ * Copyright (c) 2012 TJ Holowaychuk <tj@vision-media.ca>
+ */
+
+module.exports = mixin;
+
+/**
+ * Mixin source map support into `compiler`.
+ *
+ * @param {Object} `compiler`
+ * @api public
+ */
+
+function mixin(compiler) {
+  define(compiler, '_comment', compiler.comment);
+  compiler.map = new utils.SourceMap.SourceMapGenerator();
+  compiler.position = { line: 1, column: 1 };
+  compiler.content = {};
+  compiler.files = {};
+
+  for (var key in exports) {
+    define(compiler, key, exports[key]);
+  }
+}
+
+/**
+ * Update position.
+ *
+ * @param {String} str
+ */
+
+exports.updatePosition = function(str) {
+  var lines = str.match(/\n/g);
+  if (lines) this.position.line += lines.length;
+  var i = str.lastIndexOf('\n');
+  this.position.column = ~i ? str.length - i : this.position.column + str.length;
+};
+
+/**
+ * Emit `str` with `position`.
+ *
+ * @param {String} str
+ * @param {Object} [pos]
+ * @return {String}
+ */
+
+exports.emit = function(str, node) {
+  var position = node.position || {};
+  var source = position.source;
+  if (source) {
+    if (position.filepath) {
+      source = utils.unixify(position.filepath);
+    }
+
+    this.map.addMapping({
+      source: source,
+      generated: {
+        line: this.position.line,
+        column: Math.max(this.position.column - 1, 0)
+      },
+      original: {
+        line: position.start.line,
+        column: position.start.column - 1
+      }
+    });
+
+    if (position.content) {
+      this.addContent(source, position);
+    }
+    if (position.filepath) {
+      this.addFile(source, position);
+    }
+
+    this.updatePosition(str);
+    this.output += str;
+  }
+  return str;
+};
+
+/**
+ * Adds a file to the source map output if it has not already been added
+ * @param {String} `file`
+ * @param {Object} `pos`
+ */
+
+exports.addFile = function(file, position) {
+  if (typeof position.content !== 'string') return;
+  if (Object.prototype.hasOwnProperty.call(this.files, file)) return;
+  this.files[file] = position.content;
+};
+
+/**
+ * Adds a content source to the source map output if it has not already been added
+ * @param {String} `source`
+ * @param {Object} `position`
+ */
+
+exports.addContent = function(source, position) {
+  if (typeof position.content !== 'string') return;
+  if (Object.prototype.hasOwnProperty.call(this.content, source)) return;
+  this.map.setSourceContent(source, position.content);
+};
+
+/**
+ * Applies any original source maps to the output and embeds the source file
+ * contents in the source map.
+ */
+
+exports.applySourceMaps = function() {
+  Object.keys(this.files).forEach(function(file) {
+    var content = this.files[file];
+    this.map.setSourceContent(file, content);
+
+    if (this.options.inputSourcemaps === true) {
+      var originalMap = utils.sourceMapResolve.resolveSync(content, file, fs.readFileSync);
+      if (originalMap) {
+        var map = new utils.SourceMap.SourceMapConsumer(originalMap.map);
+        var relativeTo = originalMap.sourcesRelativeTo;
+        this.map.applySourceMap(map, file, utils.unixify(path.dirname(relativeTo)));
+      }
+    }
+  }, this);
+};
+
+/**
+ * Process comments, drops sourceMap comments.
+ * @param {Object} node
+ */
+
+exports.comment = function(node) {
+  if (/^# sourceMappingURL=/.test(node.comment)) {
+    return this.emit('', node.position);
+  }
+  return this._comment(node);
+};
diff --git a/node_modules/snapdragon/lib/utils.js b/node_modules/snapdragon/lib/utils.js
new file mode 100644
index 00000000..33f07e16
--- /dev/null
+++ b/node_modules/snapdragon/lib/utils.js
@@ -0,0 +1,48 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+exports.extend = require('extend-shallow');
+exports.SourceMap = require('source-map');
+exports.sourceMapResolve = require('source-map-resolve');
+
+/**
+ * Convert backslash in the given string to forward slashes
+ */
+
+exports.unixify = function(fp) {
+  return fp.split(/\\+/).join('/');
+};
+
+/**
+ * Return true if `val` is a non-empty string
+ *
+ * @param {String} `str`
+ * @return {Boolean}
+ */
+
+exports.isString = function(str) {
+  return str && typeof str === 'string';
+};
+
+/**
+ * Cast `val` to an array
+ * @return {Array}
+ */
+
+exports.arrayify = function(val) {
+  if (typeof val === 'string') return [val];
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+};
+
+/**
+ * Get the last `n` element from the given `array`
+ * @param {Array} `array`
+ * @return {*}
+ */
+
+exports.last = function(arr, n) {
+  return arr[arr.length - (n || 1)];
+};
diff --git a/node_modules/snapdragon/node_modules/define-property/LICENSE b/node_modules/snapdragon/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon/node_modules/define-property/README.md b/node_modules/snapdragon/node_modules/define-property/README.md
new file mode 100644
index 00000000..8cac698a
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/define-property/README.md
@@ -0,0 +1,77 @@
+# define-property [![NPM version](https://badge.fury.io/js/define-property.svg)](http://badge.fury.io/js/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i define-property --save
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## Related projects
+
+* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
+* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-object)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 31, 2015._
diff --git a/node_modules/snapdragon/node_modules/define-property/index.js b/node_modules/snapdragon/node_modules/define-property/index.js
new file mode 100644
index 00000000..3e0e5e13
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/snapdragon/node_modules/define-property/package.json b/node_modules/snapdragon/node_modules/define-property/package.json
new file mode 100644
index 00000000..43561bf5
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/define-property/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "0.2.5",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "mixin-deep",
+        "mixin-object",
+        "delegate-object",
+        "forward-object"
+      ]
+    }
+  },
+  "dependencies": {
+    "is-descriptor": "^0.1.0"
+  }
+}
diff --git a/node_modules/snapdragon/node_modules/extend-shallow/LICENSE b/node_modules/snapdragon/node_modules/extend-shallow/LICENSE
new file mode 100644
index 00000000..fa30c4cb
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/extend-shallow/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon/node_modules/extend-shallow/README.md b/node_modules/snapdragon/node_modules/extend-shallow/README.md
new file mode 100644
index 00000000..cdc45d4f
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/extend-shallow/README.md
@@ -0,0 +1,61 @@
+# extend-shallow [![NPM version](https://badge.fury.io/js/extend-shallow.svg)](http://badge.fury.io/js/extend-shallow)  [![Build Status](https://travis-ci.org/jonschlinkert/extend-shallow.svg)](https://travis-ci.org/jonschlinkert/extend-shallow)
+
+> Extend an object with the properties of additional objects. node.js/javascript util.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i extend-shallow --save
+```
+
+## Usage
+
+```js
+var extend = require('extend-shallow');
+
+extend({a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+Pass an empty object to shallow clone:
+
+```js
+var obj = {};
+extend(obj, {a: 'b'}, {c: 'd'})
+//=> {a: 'b', c: 'd'}
+```
+
+## Related
+
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [for-own](https://github.com/jonschlinkert/for-own): Iterate over the own enumerable properties of an object, and return an object with properties… [more](https://github.com/jonschlinkert/for-own)
+* [for-in](https://github.com/jonschlinkert/for-in): Iterate over the own and inherited enumerable properties of an objecte, and return an object… [more](https://github.com/jonschlinkert/for-in)
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on June 29, 2015._
\ No newline at end of file
diff --git a/node_modules/snapdragon/node_modules/extend-shallow/index.js b/node_modules/snapdragon/node_modules/extend-shallow/index.js
new file mode 100644
index 00000000..92a067fc
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/extend-shallow/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var isObject = require('is-extendable');
+
+module.exports = function extend(o/*, objects*/) {
+  if (!isObject(o)) { o = {}; }
+
+  var len = arguments.length;
+  for (var i = 1; i < len; i++) {
+    var obj = arguments[i];
+
+    if (isObject(obj)) {
+      assign(o, obj);
+    }
+  }
+  return o;
+};
+
+function assign(a, b) {
+  for (var key in b) {
+    if (hasOwn(b, key)) {
+      a[key] = b[key];
+    }
+  }
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
diff --git a/node_modules/snapdragon/node_modules/extend-shallow/package.json b/node_modules/snapdragon/node_modules/extend-shallow/package.json
new file mode 100644
index 00000000..b42e01c7
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/extend-shallow/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "extend-shallow",
+  "description": "Extend an object with the properties of additional objects. node.js/javascript util.",
+  "version": "2.0.1",
+  "homepage": "https://github.com/jonschlinkert/extend-shallow",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/extend-shallow",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/extend-shallow/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extendable": "^0.1.0"
+  },
+  "devDependencies": {
+    "array-slice": "^0.2.3",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.0.0",
+    "for-own": "^0.1.3",
+    "glob": "^5.0.12",
+    "is-plain-object": "^2.0.1",
+    "kind-of": "^2.0.0",
+    "minimist": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.1"
+  },
+  "keywords": [
+    "assign",
+    "extend",
+    "javascript",
+    "js",
+    "keys",
+    "merge",
+    "obj",
+    "object",
+    "prop",
+    "properties",
+    "property",
+    "props",
+    "shallow",
+    "util",
+    "utility",
+    "utils",
+    "value"
+  ]
+}
\ No newline at end of file
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/.editorconfig b/node_modules/snapdragon/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/.eslintrc b/node_modules/snapdragon/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/.gitattributes b/node_modules/snapdragon/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/snapdragon/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/.nycrc b/node_modules/snapdragon/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/CHANGELOG.md b/node_modules/snapdragon/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..4963353e
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,144 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.7...v1.0.0) - 2017-02-25
+
+## [v0.1.7](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v0.1.7) - 2023-10-26
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- v0.x line: v1 and v0 are the same, so, branch v0 from 1.x [`91be723`](https://github.com/inspect-js/is-descriptor/commit/91be72399c3066950d2414a6d2f091e1074625cd)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/LICENSE b/node_modules/snapdragon/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/README.md b/node_modules/snapdragon/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/index.js b/node_modules/snapdragon/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/package.json b/node_modules/snapdragon/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..6d6ca8ba
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "0.1.7",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/snapdragon/node_modules/is-descriptor/test/index.js b/node_modules/snapdragon/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/snapdragon/node_modules/is-extendable/LICENSE b/node_modules/snapdragon/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/snapdragon/node_modules/is-extendable/README.md b/node_modules/snapdragon/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/snapdragon/node_modules/is-extendable/index.js b/node_modules/snapdragon/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/snapdragon/node_modules/is-extendable/package.json b/node_modules/snapdragon/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/snapdragon/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/snapdragon/package.json b/node_modules/snapdragon/package.json
new file mode 100644
index 00000000..e4c4e738
--- /dev/null
+++ b/node_modules/snapdragon/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "snapdragon",
+  "description": "Fast, pluggable and easy-to-use parser-renderer factory.",
+  "version": "0.8.2",
+  "homepage": "https://github.com/jonschlinkert/snapdragon",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Edward Betts (http://edwardbetts.com)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/snapdragon",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/snapdragon/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "base": "^0.11.1",
+    "debug": "^2.2.0",
+    "define-property": "^0.2.5",
+    "extend-shallow": "^2.0.1",
+    "map-cache": "^0.2.2",
+    "source-map": "^0.5.6",
+    "source-map-resolve": "^0.5.0",
+    "use": "^3.1.0"
+  },
+  "devDependencies": {
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-format-md": "^0.1.10",
+    "gulp-istanbul": "^1.1.1",
+    "gulp-mocha": "^3.0.1",
+    "gulp-unused": "^0.2.0",
+    "mocha": "^3.0.2"
+  },
+  "keywords": [
+    "lexer",
+    "snapdragon"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "description": "These libraries use snapdragon:",
+      "list": [
+        "braces",
+        "expand-brackets",
+        "extglob",
+        "micromatch"
+      ]
+    },
+    "reflinks": [
+      "css",
+      "pug",
+      "verb",
+      "verb-generate-readme"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/source-list-map/LICENSE b/node_modules/source-list-map/LICENSE
new file mode 100644
index 00000000..8df641cb
--- /dev/null
+++ b/node_modules/source-list-map/LICENSE
@@ -0,0 +1,7 @@
+Copyright 2017 JS Foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/source-list-map/README.md b/node_modules/source-list-map/README.md
new file mode 100644
index 00000000..c4b0f5ab
--- /dev/null
+++ b/node_modules/source-list-map/README.md
@@ -0,0 +1,91 @@
+# source-list-map
+
+## API
+
+### Example
+
+``` js
+var SourceListMap = require("source-list-map").SourceListMap;
+
+// Create a new map
+var map = new SourceListMap();
+
+// Add generated code that is map line to line to some soure
+map.add("Generated\ncode1\n", "source-code.js", "Orginal\nsource");
+
+// Add generated code that isn't mapped
+map.add("Generated\ncode2\n");
+
+// Get SourceMap and generated source
+map.toStringWithSourceMap({ file: "generated-code.js" });
+// {
+//   source: 'Generated\ncode1\nGenerated\ncode2\n',
+//   map: {
+//      version: 3,
+//      file: 'generated-code.js',
+//      sources: [ 'source-code.js' ],
+//      sourcesContent: [ 'Orginal\nsource' ],
+//      mappings: 'AAAA;AACA;;;'
+//    }
+// }
+
+// Convert existing SourceMap into SourceListMap
+// (Only the first mapping per line is preserved)
+var fromStringWithSourceMap = require("source-list-map").fromStringWithSourceMap;
+var map = fromStringWithSourceMap("Generated\ncode", { version: 3, ... });
+
+```
+
+### `new SourceListMap()`
+
+### `SourceListMap.prototype.add`
+
+``` js
+SourceListMap.prototype.add(generatedCode: string)
+SourceListMap.prototype.add(generatedCode: string, source: string, originalSource: string)
+SourceListMap.prototype.add(sourceListMap: SourceListMap)
+```
+
+Append some stuff.
+
+### `SourceListMap.prototype.prepend`
+
+``` js
+SourceListMap.prototype.prepend(generatedCode: string)
+SourceListMap.prototype.prepend(generatedCode: string, source: string, originalSource: string)
+SourceListMap.prototype.prepend(sourceListMap: SourceListMap)
+```
+
+Prepend some stuff.
+
+### `SourceListMap.prototype.toString()`
+
+Get generated code.
+
+### `SourceListMap.prototype.toStringWithSourceMap`
+
+``` js
+SourceListMap.prototype.toStringWithSourceMap(options: object)
+```
+
+Get generated code and SourceMap. `options` can contains `file` property which defines the `file` property of the SourceMap.
+
+### `SourceListMap.prototype.mapGeneratedCode`
+
+``` js
+SourceListMap.prototype.mapGeneratedCode(fn: function) : SourceListMap
+```
+
+Applies `fn` to each generated code block (per line). The returned value is set as new generated code. Returns a new SourceListMap.
+
+Removing and adding lines is supported. The SourceMap complexity will increase when doing this.
+
+## Test
+
+[![Build Status](https://travis-ci.org/webpack/source-list-map.svg)](https://travis-ci.org/webpack/source-list-map)
+
+## License
+
+Copyright (c) 2017 JS Foundation
+
+MIT (http://www.opensource.org/licenses/mit-license.php)
\ No newline at end of file
diff --git a/node_modules/source-list-map/lib/CodeNode.js b/node_modules/source-list-map/lib/CodeNode.js
new file mode 100644
index 00000000..20133636
--- /dev/null
+++ b/node_modules/source-list-map/lib/CodeNode.js
@@ -0,0 +1,66 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const getNumberOfLines = require("./helpers").getNumberOfLines;
+const getUnfinishedLine = require("./helpers").getUnfinishedLine;
+
+class CodeNode {
+	constructor(generatedCode) {
+		this.generatedCode = generatedCode;
+	}
+
+	clone() {
+		return new CodeNode(this.generatedCode);
+	}
+
+	getGeneratedCode() {
+		return this.generatedCode;
+	}
+
+	getMappings(mappingsContext) {
+		const lines = getNumberOfLines(this.generatedCode);
+		const mapping = Array(lines+1).join(";");
+		if(lines > 0) {
+			mappingsContext.unfinishedGeneratedLine = getUnfinishedLine(this.generatedCode);
+			if(mappingsContext.unfinishedGeneratedLine > 0) {
+				return mapping + "A";
+			} else {
+				return mapping;
+			}
+		} else {
+			const prevUnfinished = mappingsContext.unfinishedGeneratedLine;
+			mappingsContext.unfinishedGeneratedLine += getUnfinishedLine(this.generatedCode);
+			if(prevUnfinished === 0 && mappingsContext.unfinishedGeneratedLine > 0) {
+				return "A";
+			} else {
+				return "";
+			}
+		}
+	}
+
+	addGeneratedCode(generatedCode) {
+		this.generatedCode += generatedCode;
+	}
+
+	mapGeneratedCode(fn) {
+		const generatedCode = fn(this.generatedCode);
+		return new CodeNode(generatedCode);
+	}
+
+	getNormalizedNodes() {
+		return [this];
+	}
+
+	merge(otherNode) {
+		if(otherNode instanceof CodeNode) {
+			this.generatedCode += otherNode.generatedCode;
+			return this;
+		}
+		return false;
+	}
+}
+
+module.exports = CodeNode;
diff --git a/node_modules/source-list-map/lib/MappingsContext.js b/node_modules/source-list-map/lib/MappingsContext.js
new file mode 100644
index 00000000..9a0c905a
--- /dev/null
+++ b/node_modules/source-list-map/lib/MappingsContext.js
@@ -0,0 +1,45 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class MappingsContext {
+	constructor() {
+		this.sourcesIndices = new Map();
+		this.sourcesContent = new Map();
+		this.hasSourceContent = false;
+		this.currentOriginalLine = 1;
+		this.currentSource = 0;
+		this.unfinishedGeneratedLine = false;
+	}
+
+	ensureSource(source, originalSource) {
+		let idx = this.sourcesIndices.get(source);
+		if(typeof idx === "number") {
+			return idx;
+		}
+		idx = this.sourcesIndices.size;
+		this.sourcesIndices.set(source, idx);
+		this.sourcesContent.set(source, originalSource)
+		if(typeof originalSource === "string")
+			this.hasSourceContent = true;
+		return idx;
+	}
+
+	getArrays() {
+		const sources = [];
+		const sourcesContent = [];
+
+		for(const pair of this.sourcesContent) {
+			sources.push(pair[0]);
+			sourcesContent.push(pair[1]);
+		}
+
+		return {
+			sources,
+			sourcesContent
+		};
+	}
+}
+module.exports = MappingsContext;
diff --git a/node_modules/source-list-map/lib/SingleLineNode.js b/node_modules/source-list-map/lib/SingleLineNode.js
new file mode 100644
index 00000000..bbc1b5db
--- /dev/null
+++ b/node_modules/source-list-map/lib/SingleLineNode.js
@@ -0,0 +1,93 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const base64VLQ = require("./base64-vlq");
+const getNumberOfLines = require("./helpers").getNumberOfLines;
+const getUnfinishedLine = require("./helpers").getUnfinishedLine;
+
+const LINE_MAPPING = ";AAAA";
+
+class SingleLineNode {
+
+	constructor(generatedCode, source, originalSource, line) {
+		this.generatedCode = generatedCode;
+		this.originalSource = originalSource;
+		this.source = source;
+		this.line = line || 1;
+		this._numberOfLines = getNumberOfLines(this.generatedCode);
+		this._endsWithNewLine = generatedCode[generatedCode.length - 1] === "\n";
+	}
+
+	clone() {
+		return new SingleLineNode(this.generatedCode, this.source, this.originalSource, this.line);
+	}
+
+	getGeneratedCode() {
+		return this.generatedCode;
+	}
+
+	getMappings(mappingsContext) {
+		if(!this.generatedCode)
+			return "";
+		const lines = this._numberOfLines;
+		const sourceIdx = mappingsContext.ensureSource(this.source, this.originalSource);
+		let mappings = "A"; // generated column 0
+		if(mappingsContext.unfinishedGeneratedLine)
+			mappings = "," + base64VLQ.encode(mappingsContext.unfinishedGeneratedLine);
+		mappings += base64VLQ.encode(sourceIdx - mappingsContext.currentSource); // source index
+		mappings += base64VLQ.encode(this.line - mappingsContext.currentOriginalLine); // original line index
+		mappings += "A"; // original column 0
+		mappingsContext.currentSource = sourceIdx;
+		mappingsContext.currentOriginalLine = this.line;
+		const unfinishedGeneratedLine = mappingsContext.unfinishedGeneratedLine = getUnfinishedLine(this.generatedCode)
+		mappings += Array(lines).join(LINE_MAPPING);
+		if(unfinishedGeneratedLine === 0) {
+			mappings += ";";
+		} else {
+			if(lines !== 0)
+				mappings += LINE_MAPPING;
+		}
+		return mappings;
+	}
+
+	getNormalizedNodes() {
+		return [this];
+	}
+
+	mapGeneratedCode(fn) {
+		const generatedCode = fn(this.generatedCode);
+		return new SingleLineNode(generatedCode, this.source, this.originalSource, this.line);
+	}
+
+	merge(otherNode) {
+		if(otherNode instanceof SingleLineNode) {
+			return this.mergeSingleLineNode(otherNode);
+		}
+		return false;
+	}
+
+	mergeSingleLineNode(otherNode) {
+		if(this.source === otherNode.source &&
+			this.originalSource === otherNode.originalSource) {
+			if(this.line === otherNode.line) {
+				this.generatedCode += otherNode.generatedCode;
+				this._numberOfLines += otherNode._numberOfLines;
+				this._endsWithNewLine = otherNode._endsWithNewLine;
+				return this;
+			} else if(this.line + 1 === otherNode.line && 
+				this._endsWithNewLine &&
+				this._numberOfLines === 1 && 
+				otherNode._numberOfLines <= 1) {
+				return new SourceNode(this.generatedCode + otherNode.generatedCode, this.source, this.originalSource, this.line);
+			}
+		}
+		return false;
+	}
+}
+
+module.exports = SingleLineNode;
+
+const SourceNode = require("./SourceNode"); // circular dependency
diff --git a/node_modules/source-list-map/lib/SourceListMap.js b/node_modules/source-list-map/lib/SourceListMap.js
new file mode 100644
index 00000000..575b2d71
--- /dev/null
+++ b/node_modules/source-list-map/lib/SourceListMap.js
@@ -0,0 +1,117 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CodeNode = require("./CodeNode");
+const SourceNode = require("./SourceNode");
+const MappingsContext = require("./MappingsContext");
+const getNumberOfLines = require("./helpers").getNumberOfLines;
+
+class SourceListMap {
+
+	constructor(generatedCode, source, originalSource) {
+		if(Array.isArray(generatedCode)) {
+			this.children = generatedCode;
+		} else {
+			this.children = [];
+			if(generatedCode || source)
+				this.add(generatedCode, source, originalSource);
+		}
+	}
+
+	add(generatedCode, source, originalSource) {
+		if(typeof generatedCode === "string") {
+			if(source) {
+				this.children.push(new SourceNode(generatedCode, source, originalSource));
+			} else if(this.children.length > 0 && this.children[this.children.length - 1] instanceof CodeNode) {
+				this.children[this.children.length - 1].addGeneratedCode(generatedCode);
+			} else {
+				this.children.push(new CodeNode(generatedCode));
+			}
+		} else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
+			this.children.push(generatedCode);
+		} else if(generatedCode.children) {
+			generatedCode.children.forEach(function(sln) {
+				this.children.push(sln);
+			}, this);
+		} else {
+			throw new Error("Invalid arguments to SourceListMap.protfotype.add: Expected string, Node or SourceListMap");
+		}
+	};
+
+	preprend(generatedCode, source, originalSource) {
+		if(typeof generatedCode === "string") {
+			if(source) {
+				this.children.unshift(new SourceNode(generatedCode, source, originalSource));
+			} else if(this.children.length > 0 && this.children[this.children.length - 1].preprendGeneratedCode) {
+				this.children[this.children.length - 1].preprendGeneratedCode(generatedCode);
+			} else {
+				this.children.unshift(new CodeNode(generatedCode));
+			}
+		} else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
+			this.children.unshift(generatedCode);
+		} else if(generatedCode.children) {
+			generatedCode.children.slice().reverse().forEach(function(sln) {
+				this.children.unshift(sln);
+			}, this);
+		} else {
+			throw new Error("Invalid arguments to SourceListMap.protfotype.prerend: Expected string, Node or SourceListMap");
+		}
+	};
+
+	mapGeneratedCode(fn) {
+		const normalizedNodes = [];
+		this.children.forEach(function(sln) {
+			sln.getNormalizedNodes().forEach(function(newNode) {
+				normalizedNodes.push(newNode);
+			});
+		});
+		const optimizedNodes = [];
+		normalizedNodes.forEach(function(sln) {
+			sln = sln.mapGeneratedCode(fn);
+			if(optimizedNodes.length === 0) {
+				optimizedNodes.push(sln);
+			} else {
+				const last = optimizedNodes[optimizedNodes.length - 1];
+				const mergedNode = last.merge(sln);
+				if(mergedNode) {
+					optimizedNodes[optimizedNodes.length - 1] = mergedNode;
+				} else {
+					optimizedNodes.push(sln);
+				}
+			}
+		});
+		return new SourceListMap(optimizedNodes);
+	};
+
+	toString() {
+		return this.children.map(function(sln) {
+			return sln.getGeneratedCode();
+		}).join("");
+	};
+
+	toStringWithSourceMap(options) {
+		const mappingsContext = new MappingsContext();
+		const source = this.children.map(function(sln) {
+			return sln.getGeneratedCode();
+		}).join("");
+		const mappings = this.children.map(function(sln) {
+			return sln.getMappings(mappingsContext);
+		}).join("");
+		const arrays = mappingsContext.getArrays();
+		return {
+			source,
+			map: {
+				version: 3,
+				file: options && options.file,
+				sources: arrays.sources,
+				sourcesContent: mappingsContext.hasSourceContent ? arrays.sourcesContent : undefined,
+				mappings: mappings
+			}
+		};
+	}
+}
+
+module.exports = SourceListMap;
diff --git a/node_modules/source-list-map/lib/SourceNode.js b/node_modules/source-list-map/lib/SourceNode.js
new file mode 100644
index 00000000..7dd235eb
--- /dev/null
+++ b/node_modules/source-list-map/lib/SourceNode.js
@@ -0,0 +1,129 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const base64VLQ = require("./base64-vlq");
+const getNumberOfLines = require("./helpers").getNumberOfLines;
+const getUnfinishedLine = require("./helpers").getUnfinishedLine;
+
+const LINE_MAPPING = ";AACA";
+
+class SourceNode {
+
+	constructor(generatedCode, source, originalSource, startingLine) {
+		this.generatedCode = generatedCode;
+		this.originalSource = originalSource;
+		this.source = source;
+		this.startingLine = startingLine || 1;
+		this._numberOfLines = getNumberOfLines(this.generatedCode);
+		this._endsWithNewLine = generatedCode[generatedCode.length - 1] === "\n";
+	}
+
+	clone() {
+		return new SourceNode(this.generatedCode, this.source, this.originalSource, this.startingLine);
+	}
+
+	getGeneratedCode() {
+		return this.generatedCode;
+	}
+
+	addGeneratedCode(code) {
+		this.generatedCode += code;
+		this._numberOfLines += getNumberOfLines(code);
+		this._endsWithNewLine = code[code.length - 1] === "\n";
+	}
+
+	getMappings(mappingsContext) {
+		if(!this.generatedCode)
+			return "";
+		const lines = this._numberOfLines;
+		const sourceIdx = mappingsContext.ensureSource(this.source, this.originalSource);
+		let mappings = "A"; // generated column 0
+		if(mappingsContext.unfinishedGeneratedLine)
+			mappings = "," + base64VLQ.encode(mappingsContext.unfinishedGeneratedLine);
+		mappings += base64VLQ.encode(sourceIdx - mappingsContext.currentSource); // source index
+		mappings += base64VLQ.encode(this.startingLine - mappingsContext.currentOriginalLine); // original line index
+		mappings += "A"; // original column 0
+		mappingsContext.currentSource = sourceIdx;
+		mappingsContext.currentOriginalLine = this.startingLine + lines - 1;
+		const unfinishedGeneratedLine = mappingsContext.unfinishedGeneratedLine = getUnfinishedLine(this.generatedCode)
+		mappings += Array(lines).join(LINE_MAPPING);
+		if(unfinishedGeneratedLine === 0) {
+			mappings += ";";
+		} else {
+			if(lines !== 0) {
+				mappings += LINE_MAPPING;
+			}
+			mappingsContext.currentOriginalLine++;
+		}
+		return mappings;
+	}
+
+	mapGeneratedCode(fn) {
+		throw new Error("Cannot map generated code on a SourceMap. Normalize to SingleLineNode first.");
+	}
+
+	getNormalizedNodes() {
+		var results = [];
+		var currentLine = this.startingLine;
+		var generatedCode = this.generatedCode;
+		var index = 0;
+		var indexEnd = generatedCode.length;
+		while(index < indexEnd) {
+			// get one generated line
+			var nextLine = generatedCode.indexOf("\n", index) + 1;
+			if(nextLine === 0) nextLine = indexEnd;
+			var lineGenerated = generatedCode.substr(index, nextLine - index);
+
+			results.push(new SingleLineNode(lineGenerated, this.source, this.originalSource, currentLine));
+
+			// move cursors
+			index = nextLine;
+			currentLine++;
+		}
+		return results;
+	}
+
+	merge(otherNode) {
+		if(otherNode instanceof SourceNode) {
+			return this.mergeSourceNode(otherNode);
+		} else if(otherNode instanceof SingleLineNode) {
+			return this.mergeSingleLineNode(otherNode);
+		}
+		return false;
+	}
+
+	mergeSourceNode(otherNode) {
+		if(this.source === otherNode.source &&
+			this._endsWithNewLine &&
+			this.startingLine + this._numberOfLines === otherNode.startingLine) {
+			this.generatedCode += otherNode.generatedCode;
+			this._numberOfLines += otherNode._numberOfLines;
+			this._endsWithNewLine = otherNode._endsWithNewLine;
+			return this;
+		}
+		return false;
+	}
+
+	mergeSingleLineNode(otherNode) {
+		if(this.source === otherNode.source &&
+			this._endsWithNewLine &&
+			this.startingLine + this._numberOfLines === otherNode.line &&
+			otherNode._numberOfLines <= 1) {
+			this.addSingleLineNode(otherNode);
+			return this;
+		}
+		return false;
+	}
+
+	addSingleLineNode(otherNode) {
+		this.generatedCode += otherNode.generatedCode;
+		this._numberOfLines += otherNode._numberOfLines
+		this._endsWithNewLine = otherNode._endsWithNewLine;
+	}
+}
+
+module.exports = SourceNode;
+const SingleLineNode = require("./SingleLineNode"); // circular dependency
diff --git a/node_modules/source-list-map/lib/base64-vlq.js b/node_modules/source-list-map/lib/base64-vlq.js
new file mode 100644
index 00000000..4483a507
--- /dev/null
+++ b/node_modules/source-list-map/lib/base64-vlq.js
@@ -0,0 +1,169 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*eslint no-bitwise:0,quotes:0,global-strict:0*/
+
+var charToIntMap = {};
+var intToCharMap = {};
+
+'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+  .split('')
+  .forEach(function (ch, index) {
+    charToIntMap[ch] = index;
+    intToCharMap[index] = ch;
+  });
+
+var base64 = {};
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+base64.encode = function base64_encode(aNumber) {
+  if (aNumber in intToCharMap) {
+    return intToCharMap[aNumber];
+  }
+  throw new TypeError("Must be between 0 and 63: " + aNumber);
+};
+
+/**
+ * Decode a single base 64 digit to an integer.
+ */
+base64.decode = function base64_decode(aChar) {
+  if (aChar in charToIntMap) {
+    return charToIntMap[aChar];
+  }
+  throw new TypeError("Not a valid base 64 digit: " + aChar);
+};
+
+
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aOutParam) {
+  var i = 0;
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (i >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+    digit = base64.decode(aStr.charAt(i++));
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aStr.slice(i);
+};
diff --git a/node_modules/source-list-map/lib/fromStringWithSourceMap.js b/node_modules/source-list-map/lib/fromStringWithSourceMap.js
new file mode 100644
index 00000000..0148d7e9
--- /dev/null
+++ b/node_modules/source-list-map/lib/fromStringWithSourceMap.js
@@ -0,0 +1,102 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const base64VLQ = require("./base64-vlq");
+const SourceNode = require("./SourceNode");
+const CodeNode = require("./CodeNode");
+const SourceListMap = require("./SourceListMap");
+
+module.exports = function fromStringWithSourceMap(code, map) {
+	const sources = map.sources;
+	const sourcesContent = map.sourcesContent;
+	const mappings = map.mappings.split(";");
+	const lines = code.split("\n");
+	const nodes = [];
+	let currentNode = null;
+	let currentLine = 1;
+	let currentSourceIdx = 0;
+	let currentSourceNodeLine;
+	function addCode(generatedCode) {
+		if(currentNode && currentNode instanceof CodeNode) {
+			currentNode.addGeneratedCode(generatedCode);
+		} else if(currentNode && currentNode instanceof SourceNode && !generatedCode.trim()) {
+			currentNode.addGeneratedCode(generatedCode);
+			currentSourceNodeLine++;
+		} else {
+			currentNode = new CodeNode(generatedCode);
+			nodes.push(currentNode);
+		}
+	}
+	function addSource(generatedCode, source, originalSource, linePosition) {
+		if(currentNode && currentNode instanceof SourceNode &&
+			currentNode.source === source &&
+			currentSourceNodeLine === linePosition
+		) {
+			currentNode.addGeneratedCode(generatedCode);
+			currentSourceNodeLine++;
+		} else {
+			currentNode = new SourceNode(generatedCode, source, originalSource, linePosition);
+			currentSourceNodeLine = linePosition + 1;
+			nodes.push(currentNode);
+		}
+	}
+	mappings.forEach(function(mapping, idx) {
+		let line = lines[idx];
+		if(typeof line === 'undefined') return;
+		if(idx !== lines.length - 1) line += "\n";
+		if(!mapping)
+			return addCode(line);
+		mapping = { value: 0, rest: mapping };
+		let lineAdded = false;
+		while(mapping.rest)
+			lineAdded = processMapping(mapping, line, lineAdded) || lineAdded;
+		if(!lineAdded)
+			addCode(line);
+	});
+	if(mappings.length < lines.length) {
+		let idx = mappings.length;
+		while(!lines[idx].trim() && idx < lines.length-1) {
+			addCode(lines[idx] + "\n");
+			idx++;
+		}
+		addCode(lines.slice(idx).join("\n"));
+	}
+	return new SourceListMap(nodes);
+	function processMapping(mapping, line, ignore) {
+		if(mapping.rest && mapping.rest[0] !== ",") {
+			base64VLQ.decode(mapping.rest, mapping);
+		}
+		if(!mapping.rest)
+			return false;
+		if(mapping.rest[0] === ",") {
+			mapping.rest = mapping.rest.substr(1);
+			return false;
+		}
+
+		base64VLQ.decode(mapping.rest, mapping);
+		const sourceIdx = mapping.value + currentSourceIdx;
+		currentSourceIdx = sourceIdx;
+
+		let linePosition;
+		if(mapping.rest && mapping.rest[0] !== ",") {
+			base64VLQ.decode(mapping.rest, mapping);
+			linePosition = mapping.value + currentLine;
+			currentLine = linePosition;
+		} else {
+			linePosition = currentLine;
+		}
+
+		if(mapping.rest) {
+			const next = mapping.rest.indexOf(",");
+			mapping.rest = next === -1 ? "" : mapping.rest.substr(next);
+		}
+
+		if(!ignore) {
+			addSource(line, sources ? sources[sourceIdx] : null, sourcesContent ? sourcesContent[sourceIdx] : null, linePosition)
+			return true;
+		}
+	}
+};
diff --git a/node_modules/source-list-map/lib/helpers.js b/node_modules/source-list-map/lib/helpers.js
new file mode 100644
index 00000000..d0b42923
--- /dev/null
+++ b/node_modules/source-list-map/lib/helpers.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+exports.getNumberOfLines = function getNumberOfLines(str) {
+	let nr = -1;
+	let idx = -1;
+	do {
+		nr++
+		idx = str.indexOf("\n", idx + 1);
+	} while(idx >= 0);
+	return nr;
+};
+
+exports.getUnfinishedLine = function getUnfinishedLine(str) {
+	const idx = str.lastIndexOf("\n");
+	if(idx === -1)
+		return str.length;
+	else
+		return str.length - idx - 1;
+};
diff --git a/node_modules/source-list-map/lib/index.js b/node_modules/source-list-map/lib/index.js
new file mode 100644
index 00000000..c1ad107f
--- /dev/null
+++ b/node_modules/source-list-map/lib/index.js
@@ -0,0 +1,6 @@
+exports.SourceListMap = require("./SourceListMap");
+exports.SourceNode = require("./SourceNode");
+exports.SingleLineNode = require("./SingleLineNode");
+exports.CodeNode = require("./CodeNode");
+exports.MappingsContext = require("./MappingsContext");
+exports.fromStringWithSourceMap = require("./fromStringWithSourceMap");
diff --git a/node_modules/source-list-map/package.json b/node_modules/source-list-map/package.json
new file mode 100644
index 00000000..6661a81c
--- /dev/null
+++ b/node_modules/source-list-map/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "source-list-map",
+  "version": "2.0.1",
+  "description": "Fast line to line SourceMap generator.",
+  "author": "Tobias Koppers @sokra",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "mocha -R spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/source-list-map.git"
+  },
+  "keywords": [
+    "source-map"
+  ],
+  "files": [
+    "lib"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/source-list-map/issues"
+  },
+  "homepage": "https://github.com/webpack/source-list-map",
+  "devDependencies": {
+    "mocha": "^2.2.1",
+    "should": "^5.2.0"
+  }
+}
diff --git a/node_modules/source-map-resolve/LICENSE b/node_modules/source-map-resolve/LICENSE
new file mode 100644
index 00000000..2ae97576
--- /dev/null
+++ b/node_modules/source-map-resolve/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2014, 2015, 2016, 2017, 2018, 2019 Simon Lydell
+Copyright (c) 2019 ZHAO Jinxiang
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/source-map-resolve/changelog.md b/node_modules/source-map-resolve/changelog.md
new file mode 100644
index 00000000..7b3f94b4
--- /dev/null
+++ b/node_modules/source-map-resolve/changelog.md
@@ -0,0 +1,108 @@
+### Version 0.5.3 (2019-12-28) ###
+
+- Fixed: base64 encoded source maps now correctly decodes as utf-8. Previously,
+  non-ASCII characters could end up garbled. Thanks to ZHAO Jinxiang
+  (@xiaoxiangmoe)! (Note: This fix does not work in old evironments not
+  supporting both `TextDecoder` and `Uint8Array`.)
+- Improved: Reduced size of the npm package.
+
+### Version 0.5.2 (2018-05-10) ###
+
+- Improved: Updated the version range of `atob` to disallow depending on `2.0.3`
+  which as a [security
+  vulnerability](https://snyk.io/test/npm/atob/2.0.3?severity=high&severity=medium&severity=low).
+
+### Version 0.5.1 (2017-10-21) ###
+
+- Fixed: URLs are now decoded before being passed to `read` in Node.js. This
+  allows reading files with spaces, for example.
+- Fixed: Missing or empty `sources` fields (such as `sources: []`) in source
+  maps are now handled. Previously, such source maps would cause crashes or
+  callbacks never bing called. Now, an empty result is produced:
+
+  ```js
+  sourcesResolved: [],
+  sourcesContent: []
+  ```
+
+### Version 0.5.0 (2016-02-28) ###
+
+- Improved: Errors now have a `sourceMapData` property that contain as much as
+  possible of the intended result of the function up until the error occurred.
+- Changed: `resolveSources` and `resolve`, as well as their `*Sync`
+  alternatives, no longer fail when one single source fails to be fetched.
+  Instead, the `sourcesContent` array in the result object will contain error
+  objects for all failed sources, and strings otherwise. (Backwards-incompatible
+  change.)
+
+### Version 0.4.0 (2015-08-29) ###
+
+- Removed: The `ignoreSourceRoot` option of `resolveSources`. It has been
+  replaced with `sourceRoot: false`. (Backwards-incompatible change.)
+- Added: The `sourceRoot` option of `resolveSources`. It not only allows to
+  ignore the source root, it also lets you replace it.
+- Added: The `parseMapToJSON` method.
+- Added: The `resolve` method now accepts `null, mapUrl, ...` as arguments, in
+  addition to the existing signature, which will read `mapUrl` instead of
+  looking for a sourceMappingURL in the code.
+
+### Version 0.3.1 (2014-08-16) ###
+
+- Improved: Updated the source-map-url dependency to 0.3.0.
+
+
+### Version 0.3.0 (2014-07-02) ###
+
+- Removed: Argument checking. It’s not worth it. (Possibly
+  backwards-incompatible change.)
+- Added: The `sourceRoot` property of source maps may now be ignored, which can
+  be useful when resolving sources outside of the browser.
+- Added: It is now possible to resolve only the URLs of sources, without
+  reading them.
+
+
+### Version 0.2.0 (2014-06-22) ###
+
+- Changed: The result of `resolveSources` is now an object, not an array. The
+  old result array is available in the `sourcesContent` property.
+  (Backwards-incompatible change.)
+- Changed: `sources` has been renamed to `sourcesContent` in the result object
+  of `resolve`. (Backwards-incompatible change.)
+- Added: `resolveSources` now also returns all sources fully resolved, in the
+  `sourcesResolved` property.
+- Added: The result object of `resolve` now contains the `sourcesResolved`
+  property from `resolveSources`.
+
+
+### Version 0.1.4 (2014-06-16) ###
+
+- Fixed: `sourcesContent` was mis-typed as `sourceContents`, which meant that
+  the `sourcesContent` property of source maps never was used when resolving
+  sources.
+
+
+### Version 0.1.3 (2014-05-06) ###
+
+- Only documentation and meta-data changes.
+
+
+### Version 0.1.2 (2014-03-23) ###
+
+- Improved: Source maps starting with `)]}'` are now parsed correctly. The spec
+  allows source maps to start with that character sequence to prevent XSSI
+  attacks.
+
+
+### Version 0.1.1 (2014-03-06) ###
+
+- Improved: Make sourceRoot resolving more sensible.
+
+  A source root such as `/scripts/subdir` is now treated as `/scripts/subdir/`
+  — that is, as a directory called “subdir”, not a file called “subdir”.
+  Pointing to a file as source root does not makes sense.
+
+
+
+### Version 0.1.0 (2014-03-03) ###
+
+- Initial release.
diff --git a/node_modules/source-map-resolve/lib/decode-uri-component.js b/node_modules/source-map-resolve/lib/decode-uri-component.js
new file mode 100644
index 00000000..0739c20f
--- /dev/null
+++ b/node_modules/source-map-resolve/lib/decode-uri-component.js
@@ -0,0 +1,8 @@
+var decodeUriComponent = require("decode-uri-component")
+
+function customDecodeUriComponent(string) {
+  // `decodeUriComponent` turns `+` into ` `, but that's not wanted.
+  return decodeUriComponent(string.replace(/\+/g, "%2B"))
+}
+
+module.exports = customDecodeUriComponent
diff --git a/node_modules/source-map-resolve/lib/resolve-url.js b/node_modules/source-map-resolve/lib/resolve-url.js
new file mode 100644
index 00000000..e3a86c46
--- /dev/null
+++ b/node_modules/source-map-resolve/lib/resolve-url.js
@@ -0,0 +1,9 @@
+var url = require("url")
+
+function resolveUrl(/* ...urls */) {
+  return Array.prototype.reduce.call(arguments, function(resolved, nextUrl) {
+    return url.resolve(resolved, nextUrl)
+  })
+}
+
+module.exports = resolveUrl
diff --git a/node_modules/source-map-resolve/lib/source-map-resolve-node.js b/node_modules/source-map-resolve/lib/source-map-resolve-node.js
new file mode 100644
index 00000000..31ec3b2b
--- /dev/null
+++ b/node_modules/source-map-resolve/lib/source-map-resolve-node.js
@@ -0,0 +1,342 @@
+var sourceMappingURL   = require("source-map-url")
+
+var resolveUrl         = require("./resolve-url")
+var decodeUriComponent = require("./decode-uri-component")
+var urix               = require("urix")
+var atob               = require("atob")
+
+
+
+function callbackAsync(callback, error, result) {
+  setImmediate(function() { callback(error, result) })
+}
+
+function parseMapToJSON(string, data) {
+  try {
+    return JSON.parse(string.replace(/^\)\]\}'/, ""))
+  } catch (error) {
+    error.sourceMapData = data
+    throw error
+  }
+}
+
+function readSync(read, url, data) {
+  var readUrl = decodeUriComponent(url)
+  try {
+    return String(read(readUrl))
+  } catch (error) {
+    error.sourceMapData = data
+    throw error
+  }
+}
+
+
+
+function resolveSourceMap(code, codeUrl, read, callback) {
+  var mapData
+  try {
+    mapData = resolveSourceMapHelper(code, codeUrl)
+  } catch (error) {
+    return callbackAsync(callback, error)
+  }
+  if (!mapData || mapData.map) {
+    return callbackAsync(callback, null, mapData)
+  }
+  var readUrl = decodeUriComponent(mapData.url)
+  read(readUrl, function(error, result) {
+    if (error) {
+      error.sourceMapData = mapData
+      return callback(error)
+    }
+    mapData.map = String(result)
+    try {
+      mapData.map = parseMapToJSON(mapData.map, mapData)
+    } catch (error) {
+      return callback(error)
+    }
+    callback(null, mapData)
+  })
+}
+
+function resolveSourceMapSync(code, codeUrl, read) {
+  var mapData = resolveSourceMapHelper(code, codeUrl)
+  if (!mapData || mapData.map) {
+    return mapData
+  }
+  mapData.map = readSync(read, mapData.url, mapData)
+  mapData.map = parseMapToJSON(mapData.map, mapData)
+  return mapData
+}
+
+var dataUriRegex = /^data:([^,;]*)(;[^,;]*)*(?:,(.*))?$/
+
+/**
+ * The media type for JSON text is application/json.
+ *
+ * {@link https://tools.ietf.org/html/rfc8259#section-11 | IANA Considerations }
+ *
+ * `text/json` is non-standard media type
+ */
+var jsonMimeTypeRegex = /^(?:application|text)\/json$/
+
+/**
+ * JSON text exchanged between systems that are not part of a closed ecosystem
+ * MUST be encoded using UTF-8.
+ *
+ * {@link https://tools.ietf.org/html/rfc8259#section-8.1 | Character Encoding}
+ */
+var jsonCharacterEncoding = "utf-8"
+
+function base64ToBuf(b64) {
+  var binStr = atob(b64)
+  var len = binStr.length
+  var arr = new Uint8Array(len)
+  for (var i = 0; i < len; i++) {
+    arr[i] = binStr.charCodeAt(i)
+  }
+  return arr
+}
+
+function decodeBase64String(b64) {
+  if (typeof TextDecoder === "undefined" || typeof Uint8Array === "undefined") {
+    return atob(b64)
+  }
+  var buf = base64ToBuf(b64);
+  // Note: `decoder.decode` method will throw a `DOMException` with the
+  // `"EncodingError"` value when an coding error is found.
+  var decoder = new TextDecoder(jsonCharacterEncoding, {fatal: true})
+  return decoder.decode(buf);
+}
+
+function resolveSourceMapHelper(code, codeUrl) {
+  codeUrl = urix(codeUrl)
+
+  var url = sourceMappingURL.getFrom(code)
+  if (!url) {
+    return null
+  }
+
+  var dataUri = url.match(dataUriRegex)
+  if (dataUri) {
+    var mimeType = dataUri[1] || "text/plain"
+    var lastParameter = dataUri[2] || ""
+    var encoded = dataUri[3] || ""
+    var data = {
+      sourceMappingURL: url,
+      url: null,
+      sourcesRelativeTo: codeUrl,
+      map: encoded
+    }
+    if (!jsonMimeTypeRegex.test(mimeType)) {
+      var error = new Error("Unuseful data uri mime type: " + mimeType)
+      error.sourceMapData = data
+      throw error
+    }
+    try {
+      data.map = parseMapToJSON(
+        lastParameter === ";base64" ? decodeBase64String(encoded) : decodeURIComponent(encoded),
+        data
+      )
+    } catch (error) {
+      error.sourceMapData = data
+      throw error
+    }
+    return data
+  }
+
+  var mapUrl = resolveUrl(codeUrl, url)
+  return {
+    sourceMappingURL: url,
+    url: mapUrl,
+    sourcesRelativeTo: mapUrl,
+    map: null
+  }
+}
+
+
+
+function resolveSources(map, mapUrl, read, options, callback) {
+  if (typeof options === "function") {
+    callback = options
+    options = {}
+  }
+  var pending = map.sources ? map.sources.length : 0
+  var result = {
+    sourcesResolved: [],
+    sourcesContent:  []
+  }
+
+  if (pending === 0) {
+    callbackAsync(callback, null, result)
+    return
+  }
+
+  var done = function() {
+    pending--
+    if (pending === 0) {
+      callback(null, result)
+    }
+  }
+
+  resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
+    result.sourcesResolved[index] = fullUrl
+    if (typeof sourceContent === "string") {
+      result.sourcesContent[index] = sourceContent
+      callbackAsync(done, null)
+    } else {
+      var readUrl = decodeUriComponent(fullUrl)
+      read(readUrl, function(error, source) {
+        result.sourcesContent[index] = error ? error : String(source)
+        done()
+      })
+    }
+  })
+}
+
+function resolveSourcesSync(map, mapUrl, read, options) {
+  var result = {
+    sourcesResolved: [],
+    sourcesContent:  []
+  }
+
+  if (!map.sources || map.sources.length === 0) {
+    return result
+  }
+
+  resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
+    result.sourcesResolved[index] = fullUrl
+    if (read !== null) {
+      if (typeof sourceContent === "string") {
+        result.sourcesContent[index] = sourceContent
+      } else {
+        var readUrl = decodeUriComponent(fullUrl)
+        try {
+          result.sourcesContent[index] = String(read(readUrl))
+        } catch (error) {
+          result.sourcesContent[index] = error
+        }
+      }
+    }
+  })
+
+  return result
+}
+
+var endingSlash = /\/?$/
+
+function resolveSourcesHelper(map, mapUrl, options, fn) {
+  options = options || {}
+  mapUrl = urix(mapUrl)
+  var fullUrl
+  var sourceContent
+  var sourceRoot
+  for (var index = 0, len = map.sources.length; index < len; index++) {
+    sourceRoot = null
+    if (typeof options.sourceRoot === "string") {
+      sourceRoot = options.sourceRoot
+    } else if (typeof map.sourceRoot === "string" && options.sourceRoot !== false) {
+      sourceRoot = map.sourceRoot
+    }
+    // If the sourceRoot is the empty string, it is equivalent to not setting
+    // the property at all.
+    if (sourceRoot === null || sourceRoot === '') {
+      fullUrl = resolveUrl(mapUrl, map.sources[index])
+    } else {
+      // Make sure that the sourceRoot ends with a slash, so that `/scripts/subdir` becomes
+      // `/scripts/subdir/<source>`, not `/scripts/<source>`. Pointing to a file as source root
+      // does not make sense.
+      fullUrl = resolveUrl(mapUrl, sourceRoot.replace(endingSlash, "/"), map.sources[index])
+    }
+    sourceContent = (map.sourcesContent || [])[index]
+    fn(fullUrl, sourceContent, index)
+  }
+}
+
+
+
+function resolve(code, codeUrl, read, options, callback) {
+  if (typeof options === "function") {
+    callback = options
+    options = {}
+  }
+  if (code === null) {
+    var mapUrl = codeUrl
+    var data = {
+      sourceMappingURL: null,
+      url: mapUrl,
+      sourcesRelativeTo: mapUrl,
+      map: null
+    }
+    var readUrl = decodeUriComponent(mapUrl)
+    read(readUrl, function(error, result) {
+      if (error) {
+        error.sourceMapData = data
+        return callback(error)
+      }
+      data.map = String(result)
+      try {
+        data.map = parseMapToJSON(data.map, data)
+      } catch (error) {
+        return callback(error)
+      }
+      _resolveSources(data)
+    })
+  } else {
+    resolveSourceMap(code, codeUrl, read, function(error, mapData) {
+      if (error) {
+        return callback(error)
+      }
+      if (!mapData) {
+        return callback(null, null)
+      }
+      _resolveSources(mapData)
+    })
+  }
+
+  function _resolveSources(mapData) {
+    resolveSources(mapData.map, mapData.sourcesRelativeTo, read, options, function(error, result) {
+      if (error) {
+        return callback(error)
+      }
+      mapData.sourcesResolved = result.sourcesResolved
+      mapData.sourcesContent  = result.sourcesContent
+      callback(null, mapData)
+    })
+  }
+}
+
+function resolveSync(code, codeUrl, read, options) {
+  var mapData
+  if (code === null) {
+    var mapUrl = codeUrl
+    mapData = {
+      sourceMappingURL: null,
+      url: mapUrl,
+      sourcesRelativeTo: mapUrl,
+      map: null
+    }
+    mapData.map = readSync(read, mapUrl, mapData)
+    mapData.map = parseMapToJSON(mapData.map, mapData)
+  } else {
+    mapData = resolveSourceMapSync(code, codeUrl, read)
+    if (!mapData) {
+      return null
+    }
+  }
+  var result = resolveSourcesSync(mapData.map, mapData.sourcesRelativeTo, read, options)
+  mapData.sourcesResolved = result.sourcesResolved
+  mapData.sourcesContent  = result.sourcesContent
+  return mapData
+}
+
+
+
+module.exports = {
+  resolveSourceMap:     resolveSourceMap,
+  resolveSourceMapSync: resolveSourceMapSync,
+  resolveSources:       resolveSources,
+  resolveSourcesSync:   resolveSourcesSync,
+  resolve:              resolve,
+  resolveSync:          resolveSync,
+  parseMapToJSON:       parseMapToJSON
+}
diff --git a/node_modules/source-map-resolve/package.json b/node_modules/source-map-resolve/package.json
new file mode 100644
index 00000000..78b63982
--- /dev/null
+++ b/node_modules/source-map-resolve/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "source-map-resolve",
+  "version": "0.5.3",
+  "author": "Simon Lydell",
+  "license": "MIT",
+  "description": "Resolve the source map and/or sources for a generated file.",
+  "keywords": [
+    "source map",
+    "sourcemap",
+    "source",
+    "map",
+    "sourceMappingURL",
+    "resolve",
+    "resolver",
+    "locate",
+    "locator",
+    "find",
+    "finder"
+  ],
+  "repository": "lydell/source-map-resolve",
+  "main": "lib/source-map-resolve-node.js",
+  "browser": "source-map-resolve.js",
+  "files": [
+    "lib",
+    "source-map-resolve.js"
+  ],
+  "scripts": {
+    "lint": "jshint lib/ test/",
+    "unit": "node test/source-map-resolve.js && node test/windows.js",
+    "test": "npm run lint && npm run unit",
+    "build": "node generate-source-map-resolve.js"
+  },
+  "dependencies": {
+    "atob": "^2.1.2",
+    "decode-uri-component": "^0.2.0",
+    "resolve-url": "^0.2.1",
+    "source-map-url": "^0.4.0",
+    "urix": "^0.1.0"
+  },
+  "devDependencies": {
+    "Base64": "1.1.0",
+    "jshint": "2.10.3",
+    "setimmediate": "1.0.5",
+    "simple-asyncify": "1.0.0",
+    "tape": "4.12.1"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/source-map-resolve/readme.md b/node_modules/source-map-resolve/readme.md
new file mode 100644
index 00000000..5796ba1f
--- /dev/null
+++ b/node_modules/source-map-resolve/readme.md
@@ -0,0 +1,231 @@
+Overview [![Build Status](https://travis-ci.org/lydell/source-map-resolve.svg?branch=master)](https://travis-ci.org/lydell/source-map-resolve)
+========
+
+Resolve the source map and/or sources for a generated file.
+
+```js
+var sourceMapResolve = require("source-map-resolve")
+var sourceMap        = require("source-map")
+
+var code = [
+  "!function(){...}();",
+  "/*# sourceMappingURL=foo.js.map */"
+].join("\n")
+
+sourceMapResolve.resolveSourceMap(code, "/js/foo.js", fs.readFile, function(error, result) {
+  if (error) {
+    return notifyFailure(error)
+  }
+  result
+  // {
+  //   map: {file: "foo.js", mappings: "...", sources: ["/coffee/foo.coffee"], names: []},
+  //   url: "/js/foo.js.map",
+  //   sourcesRelativeTo: "/js/foo.js.map",
+  //   sourceMappingURL: "foo.js.map"
+  // }
+
+  sourceMapResolve.resolveSources(result.map, result.sourcesRelativeTo, fs.readFile, function(error, result) {
+    if (error) {
+      return notifyFailure(error)
+    }
+    result
+    // {
+    //   sourcesResolved: ["/coffee/foo.coffee"],
+    //   sourcesContent: ["<contents of /coffee/foo.coffee>"]
+    // }
+  })
+})
+
+sourceMapResolve.resolve(code, "/js/foo.js", fs.readFile, function(error, result) {
+  if (error) {
+    return notifyFailure(error)
+  }
+  result
+  // {
+  //   map: {file: "foo.js", mappings: "...", sources: ["/coffee/foo.coffee"], names: []},
+  //   url: "/js/foo.js.map",
+  //   sourcesRelativeTo: "/js/foo.js.map",
+  //   sourceMappingURL: "foo.js.map",
+  //   sourcesResolved: ["/coffee/foo.coffee"],
+  //   sourcesContent: ["<contents of /coffee/foo.coffee>"]
+  // }
+  result.map.sourcesContent = result.sourcesContent
+  var map = new sourceMap.sourceMapConsumer(result.map)
+  map.sourceContentFor("/coffee/foo.coffee")
+  // "<contents of /coffee/foo.coffee>"
+})
+```
+
+
+Installation
+============
+
+- `npm install source-map-resolve`
+- `bower install source-map-resolve`
+- `component install lydell/source-map-resolve`
+
+Works with CommonJS, AMD and browser globals, through UMD.
+
+Note: This module requires `setImmediate` and `atob`.
+Use polyfills if needed, such as:
+
+- <https://github.com/NobleJS/setImmediate>
+- <https://github.com/davidchambers/Base64.js>
+
+
+Usage
+=====
+
+### `sourceMapResolve.resolveSourceMap(code, codeUrl, read, callback)` ###
+
+- `code` is a string of code that may or may not contain a sourceMappingURL
+  comment. Such a comment is used to resolve the source map.
+- `codeUrl` is the url to the file containing `code`. If the sourceMappingURL
+  is relative, it is resolved against `codeUrl`.
+- `read(url, callback)` is a function that reads `url` and responds using
+  `callback(error, content)`. In Node.js you might want to use `fs.readFile`,
+  while in the browser you might want to use an asynchronus `XMLHttpRequest`.
+- `callback(error, result)` is a function that is invoked with either an error
+  or `null` and the result.
+
+The result is an object with the following properties:
+
+- `map`: The source map for `code`, as an object (not a string).
+- `url`: The url to the source map. If the source map came from a data uri,
+  this property is `null`, since then there is no url to it.
+- `sourcesRelativeTo`: The url that the sources of the source map are relative
+  to. Since the sources are relative to the source map, and the url to the
+  source map is provided as the `url` property, this property might seem
+  superfluos. However, remember that the `url` property can be `null` if the
+  source map came from a data uri. If so, the sources are relative to the file
+  containing the data uri—`codeUrl`. This property will be identical to the
+  `url` property or `codeUrl`, whichever is appropriate. This way you can
+  conveniently resolve the sources without having to think about where the
+  source map came from.
+- `sourceMappingURL`: The url of the sourceMappingURL comment in `code`.
+
+If `code` contains no sourceMappingURL, the result is `null`.
+
+### `sourceMapResolve.resolveSources(map, mapUrl, read, [options], callback)` ###
+
+- `map` is a source map, as an object (not a string).
+- `mapUrl` is the url to the file containing `map`. Relative sources in the
+  source map, if any, are resolved against `mapUrl`.
+- `read(url, callback)` is a function that reads `url` and responds using
+  `callback(error, content)`. In Node.js you might want to use `fs.readFile`,
+  while in the browser you might want to use an asynchronus `XMLHttpRequest`.
+- `options` is an optional object with any of the following properties:
+  - `sourceRoot`: Override the `sourceRoot` property of the source map, which
+    might only be relevant when resolving sources in the browser. This lets you
+    bypass it when using the module outside of a browser, if needed. Pass a
+    string to replace the `sourceRoot` property with, or `false` to ignore it.
+    Defaults to `undefined`.
+- `callback(error, result)` is a function that is invoked with either an error
+  or `null` and the result.
+
+The result is an object with the following properties:
+
+- `sourcesResolved`: The same as `map.sources`, except all the sources are
+  fully resolved.
+- `sourcesContent`: An array with the contents of all sources in `map.sources`,
+  in the same order as `map.sources`. If getting the contents of a source fails,
+  an error object is put into the array instead.
+
+### `sourceMapResolve.resolve(code, codeUrl, read, [options], callback)` ###
+
+The arguments are identical to `sourceMapResolve.resolveSourceMap`, except that
+you may also provide the same `options` as in `sourceMapResolve.resolveSources`.
+
+This is a convenience method that first resolves the source map and then its
+sources. You could also do this by first calling
+`sourceMapResolve.resolveSourceMap` and then `sourceMapResolve.resolveSources`.
+
+The result is identical to `sourceMapResolve.resolveSourceMap`, with the
+properties from `sourceMapResolve.resolveSources` merged into it.
+
+There is one extra feature available, though. If `code` is `null`, `codeUrl` is
+treated as a url to the source map instead of to `code`, and will be read. This
+is handy if you _sometimes_ get the source map url from the `SourceMap: <url>`
+header (see the [Notes] section). In this case, the `sourceMappingURL` property
+of the result is `null`.
+
+
+[Notes]: #notes
+
+### `sourceMapResolve.*Sync()` ###
+
+There are also sync versions of the three previous functions. They are identical
+to the async versions, except:
+
+- They expect a sync reading function. In Node.js you might want to use
+  `fs.readFileSync`, while in the browser you might want to use a synchronus
+  `XMLHttpRequest`.
+- They throw errors and return the result instead of using a callback.
+
+`sourceMapResolve.resolveSourcesSync` also accepts `null` as the `read`
+parameter. The result is the same as when passing a function as the `read
+parameter`, except that the `sourcesContent` property of the result will be an
+empty array. In other words, the sources aren’t read. You only get the
+`sourcesResolved` property. (This only supported in the synchronus version, since
+there is no point doing it asynchronusly.)
+
+### `sourceMapResolve.parseMapToJSON(string, [data])` ###
+
+The spec says that if a source map (as a string) starts with `)]}'`, it should
+be stripped off. This is to prevent XSSI attacks. This function does that and
+returns the result of `JSON.parse`ing what’s left.
+
+If this function throws `error`, `error.sourceMapData === data`.
+
+### Errors
+
+All errors passed to callbacks or thrown by this module have a `sourceMapData`
+property that contain as much as possible of the intended result of the function
+up until the error occurred.
+
+Note that while the `map` property of result objects always is an object,
+`error.sourceMapData.map` will be a string if parsing that string fails.
+
+
+Note
+====
+
+This module resolves the source map for a given generated file by looking for a
+sourceMappingURL comment. The spec defines yet a way to provide the URL to the
+source map: By sending the `SourceMap: <url>` header along with the generated
+file. Since this module doesn’t retrive the generated code for you (instead
+_you_ give the generated code to the module), it’s up to you to look for such a
+header when you retrieve the file (should the need arise).
+
+
+Development
+===========
+
+Tests
+-----
+
+First off, run `npm install` to install testing modules and browser polyfills.
+
+`npm test` lints the code and runs the test suite in Node.js.
+
+x-package.json5
+---------------
+
+package.json, component.json and bower.json are all generated from
+x-package.json5 by using [`xpkg`]. Only edit x-package.json5, and remember to
+run `xpkg` before commiting!
+
+[`xpkg`]: https://github.com/kof/node-xpkg
+
+Generating the browser version
+------------------------------
+
+source-map-resolve.js is generated from source-map-resolve-node.js and
+source-map-resolve-template.js. Only edit the two latter files, _not_
+source-map-resolve.js! To generate it, run `npm run build`.
+
+
+License
+=======
+
+[MIT](LICENSE).
diff --git a/node_modules/source-map-resolve/source-map-resolve.js b/node_modules/source-map-resolve/source-map-resolve.js
new file mode 100644
index 00000000..282b1260
--- /dev/null
+++ b/node_modules/source-map-resolve/source-map-resolve.js
@@ -0,0 +1,348 @@
+// Note: source-map-resolve.js is generated from source-map-resolve-node.js and
+// source-map-resolve-template.js. Only edit the two latter files, _not_
+// source-map-resolve.js!
+
+void (function(root, factory) {
+  if (typeof define === "function" && define.amd) {
+    define(["source-map-url", "resolve-url"], factory)
+  } else if (typeof exports === "object") {
+    var sourceMappingURL = require("source-map-url")
+    var resolveUrl = require("resolve-url")
+    module.exports = factory(sourceMappingURL, resolveUrl)
+  } else {
+    root.sourceMapResolve = factory(root.sourceMappingURL, root.resolveUrl)
+  }
+}(this, function(sourceMappingURL, resolveUrl) {
+
+  function callbackAsync(callback, error, result) {
+    setImmediate(function() { callback(error, result) })
+  }
+
+  function parseMapToJSON(string, data) {
+    try {
+      return JSON.parse(string.replace(/^\)\]\}'/, ""))
+    } catch (error) {
+      error.sourceMapData = data
+      throw error
+    }
+  }
+
+  function readSync(read, url, data) {
+    var readUrl = url
+    try {
+      return String(read(readUrl))
+    } catch (error) {
+      error.sourceMapData = data
+      throw error
+    }
+  }
+
+
+
+  function resolveSourceMap(code, codeUrl, read, callback) {
+    var mapData
+    try {
+      mapData = resolveSourceMapHelper(code, codeUrl)
+    } catch (error) {
+      return callbackAsync(callback, error)
+    }
+    if (!mapData || mapData.map) {
+      return callbackAsync(callback, null, mapData)
+    }
+    var readUrl = mapData.url
+    read(readUrl, function(error, result) {
+      if (error) {
+        error.sourceMapData = mapData
+        return callback(error)
+      }
+      mapData.map = String(result)
+      try {
+        mapData.map = parseMapToJSON(mapData.map, mapData)
+      } catch (error) {
+        return callback(error)
+      }
+      callback(null, mapData)
+    })
+  }
+
+  function resolveSourceMapSync(code, codeUrl, read) {
+    var mapData = resolveSourceMapHelper(code, codeUrl)
+    if (!mapData || mapData.map) {
+      return mapData
+    }
+    mapData.map = readSync(read, mapData.url, mapData)
+    mapData.map = parseMapToJSON(mapData.map, mapData)
+    return mapData
+  }
+
+  var dataUriRegex = /^data:([^,;]*)(;[^,;]*)*(?:,(.*))?$/
+
+  /**
+   * The media type for JSON text is application/json.
+   *
+   * {@link https://tools.ietf.org/html/rfc8259#section-11 | IANA Considerations }
+   *
+   * `text/json` is non-standard media type
+   */
+  var jsonMimeTypeRegex = /^(?:application|text)\/json$/
+
+  /**
+   * JSON text exchanged between systems that are not part of a closed ecosystem
+   * MUST be encoded using UTF-8.
+   *
+   * {@link https://tools.ietf.org/html/rfc8259#section-8.1 | Character Encoding}
+   */
+  var jsonCharacterEncoding = "utf-8"
+
+  function base64ToBuf(b64) {
+    var binStr = atob(b64)
+    var len = binStr.length
+    var arr = new Uint8Array(len)
+    for (var i = 0; i < len; i++) {
+      arr[i] = binStr.charCodeAt(i)
+    }
+    return arr
+  }
+
+  function decodeBase64String(b64) {
+    if (typeof TextDecoder === "undefined" || typeof Uint8Array === "undefined") {
+      return atob(b64)
+    }
+    var buf = base64ToBuf(b64);
+    // Note: `decoder.decode` method will throw a `DOMException` with the
+    // `"EncodingError"` value when an coding error is found.
+    var decoder = new TextDecoder(jsonCharacterEncoding, {fatal: true})
+    return decoder.decode(buf);
+  }
+
+  function resolveSourceMapHelper(code, codeUrl) {
+    var url = sourceMappingURL.getFrom(code)
+    if (!url) {
+      return null
+    }
+
+    var dataUri = url.match(dataUriRegex)
+    if (dataUri) {
+      var mimeType = dataUri[1] || "text/plain"
+      var lastParameter = dataUri[2] || ""
+      var encoded = dataUri[3] || ""
+      var data = {
+        sourceMappingURL: url,
+        url: null,
+        sourcesRelativeTo: codeUrl,
+        map: encoded
+      }
+      if (!jsonMimeTypeRegex.test(mimeType)) {
+        var error = new Error("Unuseful data uri mime type: " + mimeType)
+        error.sourceMapData = data
+        throw error
+      }
+      try {
+        data.map = parseMapToJSON(
+          lastParameter === ";base64" ? decodeBase64String(encoded) : decodeURIComponent(encoded),
+          data
+        )
+      } catch (error) {
+        error.sourceMapData = data
+        throw error
+      }
+      return data
+    }
+
+    var mapUrl = resolveUrl(codeUrl, url)
+    return {
+      sourceMappingURL: url,
+      url: mapUrl,
+      sourcesRelativeTo: mapUrl,
+      map: null
+    }
+  }
+
+
+
+  function resolveSources(map, mapUrl, read, options, callback) {
+    if (typeof options === "function") {
+      callback = options
+      options = {}
+    }
+    var pending = map.sources ? map.sources.length : 0
+    var result = {
+      sourcesResolved: [],
+      sourcesContent:  []
+    }
+
+    if (pending === 0) {
+      callbackAsync(callback, null, result)
+      return
+    }
+
+    var done = function() {
+      pending--
+      if (pending === 0) {
+        callback(null, result)
+      }
+    }
+
+    resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
+      result.sourcesResolved[index] = fullUrl
+      if (typeof sourceContent === "string") {
+        result.sourcesContent[index] = sourceContent
+        callbackAsync(done, null)
+      } else {
+        var readUrl = fullUrl
+        read(readUrl, function(error, source) {
+          result.sourcesContent[index] = error ? error : String(source)
+          done()
+        })
+      }
+    })
+  }
+
+  function resolveSourcesSync(map, mapUrl, read, options) {
+    var result = {
+      sourcesResolved: [],
+      sourcesContent:  []
+    }
+
+    if (!map.sources || map.sources.length === 0) {
+      return result
+    }
+
+    resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
+      result.sourcesResolved[index] = fullUrl
+      if (read !== null) {
+        if (typeof sourceContent === "string") {
+          result.sourcesContent[index] = sourceContent
+        } else {
+          var readUrl = fullUrl
+          try {
+            result.sourcesContent[index] = String(read(readUrl))
+          } catch (error) {
+            result.sourcesContent[index] = error
+          }
+        }
+      }
+    })
+
+    return result
+  }
+
+  var endingSlash = /\/?$/
+
+  function resolveSourcesHelper(map, mapUrl, options, fn) {
+    options = options || {}
+    var fullUrl
+    var sourceContent
+    var sourceRoot
+    for (var index = 0, len = map.sources.length; index < len; index++) {
+      sourceRoot = null
+      if (typeof options.sourceRoot === "string") {
+        sourceRoot = options.sourceRoot
+      } else if (typeof map.sourceRoot === "string" && options.sourceRoot !== false) {
+        sourceRoot = map.sourceRoot
+      }
+      // If the sourceRoot is the empty string, it is equivalent to not setting
+      // the property at all.
+      if (sourceRoot === null || sourceRoot === '') {
+        fullUrl = resolveUrl(mapUrl, map.sources[index])
+      } else {
+        // Make sure that the sourceRoot ends with a slash, so that `/scripts/subdir` becomes
+        // `/scripts/subdir/<source>`, not `/scripts/<source>`. Pointing to a file as source root
+        // does not make sense.
+        fullUrl = resolveUrl(mapUrl, sourceRoot.replace(endingSlash, "/"), map.sources[index])
+      }
+      sourceContent = (map.sourcesContent || [])[index]
+      fn(fullUrl, sourceContent, index)
+    }
+  }
+
+
+
+  function resolve(code, codeUrl, read, options, callback) {
+    if (typeof options === "function") {
+      callback = options
+      options = {}
+    }
+    if (code === null) {
+      var mapUrl = codeUrl
+      var data = {
+        sourceMappingURL: null,
+        url: mapUrl,
+        sourcesRelativeTo: mapUrl,
+        map: null
+      }
+      var readUrl = mapUrl
+      read(readUrl, function(error, result) {
+        if (error) {
+          error.sourceMapData = data
+          return callback(error)
+        }
+        data.map = String(result)
+        try {
+          data.map = parseMapToJSON(data.map, data)
+        } catch (error) {
+          return callback(error)
+        }
+        _resolveSources(data)
+      })
+    } else {
+      resolveSourceMap(code, codeUrl, read, function(error, mapData) {
+        if (error) {
+          return callback(error)
+        }
+        if (!mapData) {
+          return callback(null, null)
+        }
+        _resolveSources(mapData)
+      })
+    }
+
+    function _resolveSources(mapData) {
+      resolveSources(mapData.map, mapData.sourcesRelativeTo, read, options, function(error, result) {
+        if (error) {
+          return callback(error)
+        }
+        mapData.sourcesResolved = result.sourcesResolved
+        mapData.sourcesContent  = result.sourcesContent
+        callback(null, mapData)
+      })
+    }
+  }
+
+  function resolveSync(code, codeUrl, read, options) {
+    var mapData
+    if (code === null) {
+      var mapUrl = codeUrl
+      mapData = {
+        sourceMappingURL: null,
+        url: mapUrl,
+        sourcesRelativeTo: mapUrl,
+        map: null
+      }
+      mapData.map = readSync(read, mapUrl, mapData)
+      mapData.map = parseMapToJSON(mapData.map, mapData)
+    } else {
+      mapData = resolveSourceMapSync(code, codeUrl, read)
+      if (!mapData) {
+        return null
+      }
+    }
+    var result = resolveSourcesSync(mapData.map, mapData.sourcesRelativeTo, read, options)
+    mapData.sourcesResolved = result.sourcesResolved
+    mapData.sourcesContent  = result.sourcesContent
+    return mapData
+  }
+
+
+
+  return {
+    resolveSourceMap:     resolveSourceMap,
+    resolveSourceMapSync: resolveSourceMapSync,
+    resolveSources:       resolveSources,
+    resolveSourcesSync:   resolveSourcesSync,
+    resolve:              resolve,
+    resolveSync:          resolveSync,
+    parseMapToJSON:       parseMapToJSON
+  }
+
+}));
diff --git a/node_modules/source-map-support/LICENSE.md b/node_modules/source-map-support/LICENSE.md
new file mode 100644
index 00000000..6247ca91
--- /dev/null
+++ b/node_modules/source-map-support/LICENSE.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Evan Wallace
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/source-map-support/README.md b/node_modules/source-map-support/README.md
new file mode 100644
index 00000000..40228b79
--- /dev/null
+++ b/node_modules/source-map-support/README.md
@@ -0,0 +1,284 @@
+# Source Map Support
+[![Build Status](https://travis-ci.org/evanw/node-source-map-support.svg?branch=master)](https://travis-ci.org/evanw/node-source-map-support)
+
+This module provides source map support for stack traces in node via the [V8 stack trace API](https://github.com/v8/v8/wiki/Stack-Trace-API). It uses the [source-map](https://github.com/mozilla/source-map) module to replace the paths and line numbers of source-mapped files with their original paths and line numbers. The output mimics node's stack trace format with the goal of making every compile-to-JS language more of a first-class citizen. Source maps are completely general (not specific to any one language) so you can use source maps with multiple compile-to-JS languages in the same node process.
+
+## Installation and Usage
+
+#### Node support
+
+```
+$ npm install source-map-support
+```
+
+Source maps can be generated using libraries such as [source-map-index-generator](https://github.com/twolfson/source-map-index-generator). Once you have a valid source map, place a source mapping comment somewhere in the file (usually done automatically or with an option by your transpiler):
+
+```
+//# sourceMappingURL=path/to/source.map
+```
+
+If multiple sourceMappingURL comments exist in one file, the last sourceMappingURL comment will be
+respected (e.g. if a file mentions the comment in code, or went through multiple transpilers).
+The path should either be absolute or relative to the compiled file.
+
+From here you have two options.
+
+##### CLI Usage
+
+```bash
+node -r source-map-support/register compiled.js
+```
+
+##### Programmatic Usage
+
+Put the following line at the top of the compiled file.
+
+```js
+require('source-map-support').install();
+```
+
+It is also possible to install the source map support directly by
+requiring the `register` module which can be handy with ES6:
+
+```js
+import 'source-map-support/register'
+
+// Instead of:
+import sourceMapSupport from 'source-map-support'
+sourceMapSupport.install()
+```
+Note: if you're using babel-register, it includes source-map-support already.
+
+It is also very useful with Mocha:
+
+```
+$ mocha --require source-map-support/register tests/
+```
+
+#### Browser support
+
+This library also works in Chrome. While the DevTools console already supports source maps, the V8 engine doesn't and `Error.prototype.stack` will be incorrect without this library. Everything will just work if you deploy your source files using [browserify](http://browserify.org/). Just make sure to pass the `--debug` flag to the browserify command so your source maps are included in the bundled code.
+
+This library also works if you use another build process or just include the source files directly. In this case, include the file `browser-source-map-support.js` in your page and call `sourceMapSupport.install()`. It contains the whole library already bundled for the browser using browserify.
+
+```html
+<script src="browser-source-map-support.js"></script>
+<script>sourceMapSupport.install();</script>
+```
+
+This library also works if you use AMD (Asynchronous Module Definition), which is used in tools like [RequireJS](http://requirejs.org/). Just list `browser-source-map-support` as a dependency:
+
+```html
+<script>
+  define(['browser-source-map-support'], function(sourceMapSupport) {
+    sourceMapSupport.install();
+  });
+</script>
+```
+
+## Options
+
+This module installs two things: a change to the `stack` property on `Error` objects and a handler for uncaught exceptions that mimics node's default exception handler (the handler can be seen in the demos below). You may want to disable the handler if you have your own uncaught exception handler. This can be done by passing an argument to the installer:
+
+```js
+require('source-map-support').install({
+  handleUncaughtExceptions: false
+});
+```
+
+This module loads source maps from the filesystem by default. You can provide alternate loading behavior through a callback as shown below. For example, [Meteor](https://github.com/meteor) keeps all source maps cached in memory to avoid disk access.
+
+```js
+require('source-map-support').install({
+  retrieveSourceMap: function(source) {
+    if (source === 'compiled.js') {
+      return {
+        url: 'original.js',
+        map: fs.readFileSync('compiled.js.map', 'utf8')
+      };
+    }
+    return null;
+  }
+});
+```
+
+The module will by default assume a browser environment if XMLHttpRequest and window are defined. If either of these do not exist it will instead assume a node environment.
+In some rare cases, e.g. when running a browser emulation and where both variables are also set, you can explictly specify the environment to be either 'browser' or 'node'.
+
+```js
+require('source-map-support').install({
+  environment: 'node'
+});
+```
+
+To support files with inline source maps, the `hookRequire` options can be specified, which will monitor all source files for inline source maps.
+
+
+```js
+require('source-map-support').install({
+  hookRequire: true
+});
+```
+
+This monkey patches the `require` module loading chain, so is not enabled by default and is not recommended for any sort of production usage.
+
+## Demos
+
+#### Basic Demo
+
+original.js:
+
+```js
+throw new Error('test'); // This is the original code
+```
+
+compiled.js:
+
+```js
+require('source-map-support').install();
+
+throw new Error('test'); // This is the compiled code
+// The next line defines the sourceMapping.
+//# sourceMappingURL=compiled.js.map
+```
+
+compiled.js.map:
+
+```json
+{
+  "version": 3,
+  "file": "compiled.js",
+  "sources": ["original.js"],
+  "names": [],
+  "mappings": ";;AAAA,MAAM,IAAI"
+}
+```
+
+Run compiled.js using node (notice how the stack trace uses original.js instead of compiled.js):
+
+```
+$ node compiled.js
+
+original.js:1
+throw new Error('test'); // This is the original code
+      ^
+Error: test
+    at Object.<anonymous> (original.js:1:7)
+    at Module._compile (module.js:456:26)
+    at Object.Module._extensions..js (module.js:474:10)
+    at Module.load (module.js:356:32)
+    at Function.Module._load (module.js:312:12)
+    at Function.Module.runMain (module.js:497:10)
+    at startup (node.js:119:16)
+    at node.js:901:3
+```
+
+#### TypeScript Demo
+
+demo.ts:
+
+```typescript
+declare function require(name: string);
+require('source-map-support').install();
+class Foo {
+  constructor() { this.bar(); }
+  bar() { throw new Error('this is a demo'); }
+}
+new Foo();
+```
+
+Compile and run the file using the TypeScript compiler from the terminal:
+
+```
+$ npm install source-map-support typescript
+$ node_modules/typescript/bin/tsc -sourcemap demo.ts
+$ node demo.js
+
+demo.ts:5
+  bar() { throw new Error('this is a demo'); }
+                ^
+Error: this is a demo
+    at Foo.bar (demo.ts:5:17)
+    at new Foo (demo.ts:4:24)
+    at Object.<anonymous> (demo.ts:7:1)
+    at Module._compile (module.js:456:26)
+    at Object.Module._extensions..js (module.js:474:10)
+    at Module.load (module.js:356:32)
+    at Function.Module._load (module.js:312:12)
+    at Function.Module.runMain (module.js:497:10)
+    at startup (node.js:119:16)
+    at node.js:901:3
+```
+
+There is also the option to use `-r source-map-support/register` with typescript, without the need add the `require('source-map-support').install()` in the code base:
+
+```
+$ npm install source-map-support typescript
+$ node_modules/typescript/bin/tsc  -sourcemap demo.ts
+$ node -r source-map-support/register demo.js
+
+demo.ts:5
+  bar() { throw new Error('this is a demo'); }
+                ^
+Error: this is a demo
+    at Foo.bar (demo.ts:5:17)
+    at new Foo (demo.ts:4:24)
+    at Object.<anonymous> (demo.ts:7:1)
+    at Module._compile (module.js:456:26)
+    at Object.Module._extensions..js (module.js:474:10)
+    at Module.load (module.js:356:32)
+    at Function.Module._load (module.js:312:12)
+    at Function.Module.runMain (module.js:497:10)
+    at startup (node.js:119:16)
+    at node.js:901:3
+```
+
+#### CoffeeScript Demo
+
+demo.coffee:
+
+```coffee
+require('source-map-support').install()
+foo = ->
+  bar = -> throw new Error 'this is a demo'
+  bar()
+foo()
+```
+
+Compile and run the file using the CoffeeScript compiler from the terminal:
+
+```sh
+$ npm install source-map-support coffeescript
+$ node_modules/.bin/coffee --map --compile demo.coffee
+$ node demo.js
+
+demo.coffee:3
+  bar = -> throw new Error 'this is a demo'
+                     ^
+Error: this is a demo
+    at bar (demo.coffee:3:22)
+    at foo (demo.coffee:4:3)
+    at Object.<anonymous> (demo.coffee:5:1)
+    at Object.<anonymous> (demo.coffee:1:1)
+    at Module._compile (module.js:456:26)
+    at Object.Module._extensions..js (module.js:474:10)
+    at Module.load (module.js:356:32)
+    at Function.Module._load (module.js:312:12)
+    at Function.Module.runMain (module.js:497:10)
+    at startup (node.js:119:16)
+```
+
+## Tests
+
+This repo contains both automated tests for node and manual tests for the browser. The automated tests can be run using mocha (type `mocha` in the root directory). To run the manual tests:
+
+* Build the tests using `build.js`
+* Launch the HTTP server (`npm run serve-tests`) and visit
+  * http://127.0.0.1:1336/amd-test
+  * http://127.0.0.1:1336/browser-test
+  * http://127.0.0.1:1336/browserify-test - **Currently not working** due to a bug with browserify (see [pull request #66](https://github.com/evanw/node-source-map-support/pull/66) for details).
+* For `header-test`, run `server.js` inside that directory and visit http://127.0.0.1:1337/
+
+## License
+
+This code is available under the [MIT license](http://opensource.org/licenses/MIT).
diff --git a/node_modules/source-map-support/browser-source-map-support.js b/node_modules/source-map-support/browser-source-map-support.js
new file mode 100644
index 00000000..782da501
--- /dev/null
+++ b/node_modules/source-map-support/browser-source-map-support.js
@@ -0,0 +1,114 @@
+/*
+ * Support for source maps in V8 stack traces
+ * https://github.com/evanw/node-source-map-support
+ */
+/*
+ The buffer module from node.js, for the browser.
+
+ @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ license  MIT
+*/
+(this.define||function(R,U){this.sourceMapSupport=U()})("browser-source-map-support",function(R){(function e(C,J,A){function p(f,c){if(!J[f]){if(!C[f]){var l="function"==typeof require&&require;if(!c&&l)return l(f,!0);if(t)return t(f,!0);throw Error("Cannot find module '"+f+"'");}l=J[f]={exports:{}};C[f][0].call(l.exports,function(q){var r=C[f][1][q];return p(r?r:q)},l,l.exports,e,C,J,A)}return J[f].exports}for(var t="function"==typeof require&&require,m=0;m<A.length;m++)p(A[m]);return p})({1:[function(C,
+J,A){R=C("./source-map-support")},{"./source-map-support":21}],2:[function(C,J,A){(function(e){function p(m){m=m.charCodeAt(0);if(43===m)return 62;if(47===m)return 63;if(48>m)return-1;if(58>m)return m-48+52;if(91>m)return m-65;if(123>m)return m-97+26}var t="undefined"!==typeof Uint8Array?Uint8Array:Array;e.toByteArray=function(m){function f(d){q[k++]=d}if(0<m.length%4)throw Error("Invalid string. Length must be a multiple of 4");var c=m.length;var l="="===m.charAt(c-2)?2:"="===m.charAt(c-1)?1:0;var q=
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+m[m.length-1],c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(r>>10),c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(r>>4&63),c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(r<<2&63),c+="="}return c}})("undefined"===typeof A?this.base64js={}:A)},{}],3:[function(C,J,A){},{}],4:[function(C,J,A){(function(e){var p=Object.prototype.toString,t="function"===typeof e.alloc&&"function"===typeof e.allocUnsafe&&"function"===
+typeof e.from;J.exports=function(m,f,c){if("number"===typeof m)throw new TypeError('"value" argument must not be a number');if("ArrayBuffer"===p.call(m).slice(8,-1)){f>>>=0;var l=m.byteLength-f;if(0>l)throw new RangeError("'offset' is out of bounds");if(void 0===c)c=l;else if(c>>>=0,c>l)throw new RangeError("'length' is out of bounds");return t?e.from(m.slice(f,f+c)):new e(new Uint8Array(m.slice(f,f+c)))}if("string"===typeof m){c=f;if("string"!==typeof c||""===c)c="utf8";if(!e.isEncoding(c))throw new TypeError('"encoding" must be a valid string encoding');
+return t?e.from(m,c):new e(m,c)}return t?e.from(m):new e(m)}}).call(this,C("buffer").Buffer)},{buffer:5}],5:[function(C,J,A){function e(a,b,h){if(!(this instanceof e))return new e(a,b,h);var w=typeof a;if("number"===w)var y=0<a?a>>>0:0;else if("string"===w){if("base64"===b)for(a=(a.trim?a.trim():a.replace(/^\s+|\s+$/g,"")).replace(L,"");0!==a.length%4;)a+="=";y=e.byteLength(a,b)}else if("object"===w&&null!==a)"Buffer"===a.type&&z(a.data)&&(a=a.data),y=0<+a.length?Math.floor(+a.length):0;else throw new TypeError("must start with number, buffer, array or string");
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+b,h){a=+a;b>>>=0;h||m(this,a,b,4,4294967295,0);e.TYPED_ARRAY_SUPPORT?(this[b]=a>>>24,this[b+1]=a>>>16,this[b+2]=a>>>8,this[b+3]=a):c(this,a,b,!1);return b+4};e.prototype.writeInt8=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,1,127,-128);e.TYPED_ARRAY_SUPPORT||(a=Math.floor(a));0>a&&(a=255+a+1);this[b]=a;return b+1};e.prototype.writeInt16LE=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,2,32767,-32768);e.TYPED_ARRAY_SUPPORT?(this[b]=a,this[b+1]=a>>>8):f(this,a,b,!0);return b+2};e.prototype.writeInt16BE=function(a,
+b,h){a=+a;b>>>=0;h||m(this,a,b,2,32767,-32768);e.TYPED_ARRAY_SUPPORT?(this[b]=a>>>8,this[b+1]=a):f(this,a,b,!1);return b+2};e.prototype.writeInt32LE=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,4,2147483647,-2147483648);e.TYPED_ARRAY_SUPPORT?(this[b]=a,this[b+1]=a>>>8,this[b+2]=a>>>16,this[b+3]=a>>>24):c(this,a,b,!0);return b+4};e.prototype.writeInt32BE=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,4,2147483647,-2147483648);0>a&&(a=4294967295+a+1);e.TYPED_ARRAY_SUPPORT?(this[b]=a>>>24,this[b+1]=a>>>16,this[b+
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+n=z;return{generatedOffset:{generatedLine:G+1,generatedColumn:D+1},consumer:new e(f.getArg(v,"map"),u)}})}var f=C("./util"),c=C("./binary-search"),l=C("./array-set").ArraySet,q=C("./base64-vlq"),r=C("./quick-sort").quickSort;e.fromSourceMap=function(k){return p.fromSourceMap(k)};e.prototype._version=3;e.prototype.__generatedMappings=null;Object.defineProperty(e.prototype,"_generatedMappings",{configurable:!0,enumerable:!0,get:function(){this.__generatedMappings||this._parseMappings(this._mappings,
+this.sourceRoot);return this.__generatedMappings}});e.prototype.__originalMappings=null;Object.defineProperty(e.prototype,"_originalMappings",{configurable:!0,enumerable:!0,get:function(){this.__originalMappings||this._parseMappings(this._mappings,this.sourceRoot);return this.__originalMappings}});e.prototype._charIsMappingSeparator=function(k,u){var d=k.charAt(u);return";"===d||","===d};e.prototype._parseMappings=function(k,u){throw Error("Subclasses must implement _parseMappings");};e.GENERATED_ORDER=
+1;e.ORIGINAL_ORDER=2;e.GREATEST_LOWER_BOUND=1;e.LEAST_UPPER_BOUND=2;e.prototype.eachMapping=function(k,u,d){u=u||null;switch(d||e.GENERATED_ORDER){case e.GENERATED_ORDER:d=this._generatedMappings;break;case e.ORIGINAL_ORDER:d=this._originalMappings;break;default:throw Error("Unknown order of iteration.");}var g=this.sourceRoot;d.map(function(n){var v=null===n.source?null:this._sources.at(n.source);v=f.computeSourceURL(g,v,this._sourceMapURL);return{source:v,generatedLine:n.generatedLine,generatedColumn:n.generatedColumn,
+originalLine:n.originalLine,originalColumn:n.originalColumn,name:null===n.name?null:this._names.at(n.name)}},this).forEach(k,u)};e.prototype.allGeneratedPositionsFor=function(k){var u=f.getArg(k,"line"),d={source:f.getArg(k,"source"),originalLine:u,originalColumn:f.getArg(k,"column",0)};null!=this.sourceRoot&&(d.source=f.relative(this.sourceRoot,d.source));if(!this._sources.has(d.source))return[];d.source=this._sources.indexOf(d.source);var g=[];d=this._findMapping(d,this._originalMappings,"originalLine",
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+lastColumn:f.getArg(n,"lastGeneratedColumn",null)}),n=this._originalMappings[++d]}return g};A.SourceMapConsumer=e;p.prototype=Object.create(e.prototype);p.prototype.consumer=e;p.fromSourceMap=function(k,u){var d=Object.create(p.prototype),g=d._names=l.fromArray(k._names.toArray(),!0),n=d._sources=l.fromArray(k._sources.toArray(),!0);d.sourceRoot=k._sourceRoot;d.sourcesContent=k._generateSourcesContent(d._sources.toArray(),d.sourceRoot);d.file=k._file;d._sourceMapURL=u;for(var v=k._mappings.toArray().slice(),
+z=d.__generatedMappings=[],G=d.__originalMappings=[],D=0,L=v.length;D<L;D++){var a=v[D],b=new t;b.generatedLine=a.generatedLine;b.generatedColumn=a.generatedColumn;a.source&&(b.source=n.indexOf(a.source),b.originalLine=a.originalLine,b.originalColumn=a.originalColumn,a.name&&(b.name=g.indexOf(a.name)),G.push(b));z.push(b)}r(d.__originalMappings,f.compareByOriginalPositions);return d};p.prototype._version=3;Object.defineProperty(p.prototype,"sources",{get:function(){return this._sources.toArray().map(function(k){return f.computeSourceURL(this.sourceRoot,
+k,this._sourceMapURL)},this)}});p.prototype._parseMappings=function(k,u){for(var d=1,g=0,n=0,v=0,z=0,G=0,D=k.length,L=0,a={},b={},h=[],w=[],y,I,K,N,P;L<D;)if(";"===k.charAt(L))d++,L++,g=0;else if(","===k.charAt(L))L++;else{y=new t;y.generatedLine=d;for(N=L;N<D&&!this._charIsMappingSeparator(k,N);N++);I=k.slice(L,N);if(K=a[I])L+=I.length;else{for(K=[];L<N;)q.decode(k,L,b),P=b.value,L=b.rest,K.push(P);if(2===K.length)throw Error("Found a source, but no line and column");if(3===K.length)throw Error("Found a source and line, but no column");
+a[I]=K}y.generatedColumn=g+K[0];g=y.generatedColumn;1<K.length&&(y.source=z+K[1],z+=K[1],y.originalLine=n+K[2],n=y.originalLine,y.originalLine+=1,y.originalColumn=v+K[3],v=y.originalColumn,4<K.length&&(y.name=G+K[4],G+=K[4]));w.push(y);"number"===typeof y.originalLine&&h.push(y)}r(w,f.compareByGeneratedPositionsDeflated);this.__generatedMappings=w;r(h,f.compareByOriginalPositions);this.__originalMappings=h};p.prototype._findMapping=function(k,u,d,g,n,v){if(0>=k[d])throw new TypeError("Line must be greater than or equal to 1, got "+
+k[d]);if(0>k[g])throw new TypeError("Column must be greater than or equal to 0, got "+k[g]);return c.search(k,u,n,v)};p.prototype.computeColumnSpans=function(){for(var k=0;k<this._generatedMappings.length;++k){var u=this._generatedMappings[k];if(k+1<this._generatedMappings.length){var d=this._generatedMappings[k+1];if(u.generatedLine===d.generatedLine){u.lastGeneratedColumn=d.generatedColumn-1;continue}}u.lastGeneratedColumn=Infinity}};p.prototype.originalPositionFor=function(k){var u={generatedLine:f.getArg(k,
+"line"),generatedColumn:f.getArg(k,"column")};k=this._findMapping(u,this._generatedMappings,"generatedLine","generatedColumn",f.compareByGeneratedPositionsDeflated,f.getArg(k,"bias",e.GREATEST_LOWER_BOUND));if(0<=k&&(k=this._generatedMappings[k],k.generatedLine===u.generatedLine)){u=f.getArg(k,"source",null);null!==u&&(u=this._sources.at(u),u=f.computeSourceURL(this.sourceRoot,u,this._sourceMapURL));var d=f.getArg(k,"name",null);null!==d&&(d=this._names.at(d));return{source:u,line:f.getArg(k,"originalLine",
+null),column:f.getArg(k,"originalColumn",null),name:d}}return{source:null,line:null,column:null,name:null}};p.prototype.hasContentsOfAllSources=function(){return this.sourcesContent?this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(k){return null==k}):!1};p.prototype.sourceContentFor=function(k,u){if(!this.sourcesContent)return null;var d=k;null!=this.sourceRoot&&(d=f.relative(this.sourceRoot,d));if(this._sources.has(d))return this.sourcesContent[this._sources.indexOf(d)];
+var g=this.sources,n;for(n=0;n<g.length;++n)if(g[n]==k)return this.sourcesContent[n];var v;if(null!=this.sourceRoot&&(v=f.urlParse(this.sourceRoot))){g=d.replace(/^file:\/\//,"");if("file"==v.scheme&&this._sources.has(g))return this.sourcesContent[this._sources.indexOf(g)];if((!v.path||"/"==v.path)&&this._sources.has("/"+d))return this.sourcesContent[this._sources.indexOf("/"+d)]}if(u)return null;throw Error('"'+d+'" is not in the SourceMap.');};p.prototype.generatedPositionFor=function(k){var u=
+f.getArg(k,"source");null!=this.sourceRoot&&(u=f.relative(this.sourceRoot,u));if(!this._sources.has(u))return{line:null,column:null,lastColumn:null};u=this._sources.indexOf(u);u={source:u,originalLine:f.getArg(k,"line"),originalColumn:f.getArg(k,"column")};k=this._findMapping(u,this._originalMappings,"originalLine","originalColumn",f.compareByOriginalPositions,f.getArg(k,"bias",e.GREATEST_LOWER_BOUND));return 0<=k&&(k=this._originalMappings[k],k.source===u.source)?{line:f.getArg(k,"generatedLine",
+null),column:f.getArg(k,"generatedColumn",null),lastColumn:f.getArg(k,"lastGeneratedColumn",null)}:{line:null,column:null,lastColumn:null}};A.BasicSourceMapConsumer=p;m.prototype=Object.create(e.prototype);m.prototype.constructor=e;m.prototype._version=3;Object.defineProperty(m.prototype,"sources",{get:function(){for(var k=[],u=0;u<this._sections.length;u++)for(var d=0;d<this._sections[u].consumer.sources.length;d++)k.push(this._sections[u].consumer.sources[d]);return k}});m.prototype.originalPositionFor=
+function(k){var u={generatedLine:f.getArg(k,"line"),generatedColumn:f.getArg(k,"column")},d=c.search(u,this._sections,function(g,n){var v=g.generatedLine-n.generatedOffset.generatedLine;return v?v:g.generatedColumn-n.generatedOffset.generatedColumn});return(d=this._sections[d])?d.consumer.originalPositionFor({line:u.generatedLine-(d.generatedOffset.generatedLine-1),column:u.generatedColumn-(d.generatedOffset.generatedLine===u.generatedLine?d.generatedOffset.generatedColumn-1:0),bias:k.bias}):{source:null,
+line:null,column:null,name:null}};m.prototype.hasContentsOfAllSources=function(){return this._sections.every(function(k){return k.consumer.hasContentsOfAllSources()})};m.prototype.sourceContentFor=function(k,u){for(var d=0;d<this._sections.length;d++){var g=this._sections[d].consumer.sourceContentFor(k,!0);if(g)return g}if(u)return null;throw Error('"'+k+'" is not in the SourceMap.');};m.prototype.generatedPositionFor=function(k){for(var u=0;u<this._sections.length;u++){var d=this._sections[u];if(-1!==
+d.consumer.sources.indexOf(f.getArg(k,"source"))){var g=d.consumer.generatedPositionFor(k);if(g)return{line:g.line+(d.generatedOffset.generatedLine-1),column:g.column+(d.generatedOffset.generatedLine===g.line?d.generatedOffset.generatedColumn-1:0)}}}return{line:null,column:null}};m.prototype._parseMappings=function(k,u){this.__generatedMappings=[];this.__originalMappings=[];for(var d=0;d<this._sections.length;d++)for(var g=this._sections[d],n=g.consumer._generatedMappings,v=0;v<n.length;v++){var z=
+n[v],G=g.consumer._sources.at(z.source);G=f.computeSourceURL(g.consumer.sourceRoot,G,this._sourceMapURL);this._sources.add(G);G=this._sources.indexOf(G);var D=null;z.name&&(D=g.consumer._names.at(z.name),this._names.add(D),D=this._names.indexOf(D));z={source:G,generatedLine:z.generatedLine+(g.generatedOffset.generatedLine-1),generatedColumn:z.generatedColumn+(g.generatedOffset.generatedLine===z.generatedLine?g.generatedOffset.generatedColumn-1:0),originalLine:z.originalLine,originalColumn:z.originalColumn,
+name:D};this.__generatedMappings.push(z);"number"===typeof z.originalLine&&this.__originalMappings.push(z)}r(this.__generatedMappings,f.compareByGeneratedPositionsDeflated);r(this.__originalMappings,f.compareByOriginalPositions)};A.IndexedSourceMapConsumer=m},{"./array-set":10,"./base64-vlq":11,"./binary-search":13,"./quick-sort":15,"./util":19}],17:[function(C,J,A){function e(c){c||(c={});this._file=t.getArg(c,"file",null);this._sourceRoot=t.getArg(c,"sourceRoot",null);this._skipValidation=t.getArg(c,
+"skipValidation",!1);this._sources=new m;this._names=new m;this._mappings=new f;this._sourcesContents=null}var p=C("./base64-vlq"),t=C("./util"),m=C("./array-set").ArraySet,f=C("./mapping-list").MappingList;e.prototype._version=3;e.fromSourceMap=function(c){var l=c.sourceRoot,q=new e({file:c.file,sourceRoot:l});c.eachMapping(function(r){var k={generated:{line:r.generatedLine,column:r.generatedColumn}};null!=r.source&&(k.source=r.source,null!=l&&(k.source=t.relative(l,k.source)),k.original={line:r.originalLine,
+column:r.originalColumn},null!=r.name&&(k.name=r.name));q.addMapping(k)});c.sources.forEach(function(r){var k=r;null!==l&&(k=t.relative(l,r));q._sources.has(k)||q._sources.add(k);k=c.sourceContentFor(r);null!=k&&q.setSourceContent(r,k)});return q};e.prototype.addMapping=function(c){var l=t.getArg(c,"generated"),q=t.getArg(c,"original",null),r=t.getArg(c,"source",null);c=t.getArg(c,"name",null);this._skipValidation||this._validateMapping(l,q,r,c);null!=r&&(r=String(r),this._sources.has(r)||this._sources.add(r));
+null!=c&&(c=String(c),this._names.has(c)||this._names.add(c));this._mappings.add({generatedLine:l.line,generatedColumn:l.column,originalLine:null!=q&&q.line,originalColumn:null!=q&&q.column,source:r,name:c})};e.prototype.setSourceContent=function(c,l){var q=c;null!=this._sourceRoot&&(q=t.relative(this._sourceRoot,q));null!=l?(this._sourcesContents||(this._sourcesContents=Object.create(null)),this._sourcesContents[t.toSetString(q)]=l):this._sourcesContents&&(delete this._sourcesContents[t.toSetString(q)],
+0===Object.keys(this._sourcesContents).length&&(this._sourcesContents=null))};e.prototype.applySourceMap=function(c,l,q){var r=l;if(null==l){if(null==c.file)throw Error('SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, or the source map\'s "file" property. Both were omitted.');r=c.file}var k=this._sourceRoot;null!=k&&(r=t.relative(k,r));var u=new m,d=new m;this._mappings.unsortedForEach(function(g){if(g.source===r&&null!=g.originalLine){var n=c.originalPositionFor({line:g.originalLine,
+column:g.originalColumn});null!=n.source&&(g.source=n.source,null!=q&&(g.source=t.join(q,g.source)),null!=k&&(g.source=t.relative(k,g.source)),g.originalLine=n.line,g.originalColumn=n.column,null!=n.name&&(g.name=n.name))}n=g.source;null==n||u.has(n)||u.add(n);g=g.name;null==g||d.has(g)||d.add(g)},this);this._sources=u;this._names=d;c.sources.forEach(function(g){var n=c.sourceContentFor(g);null!=n&&(null!=q&&(g=t.join(q,g)),null!=k&&(g=t.relative(k,g)),this.setSourceContent(g,n))},this)};e.prototype._validateMapping=
+function(c,l,q,r){if(l&&"number"!==typeof l.line&&"number"!==typeof l.column)throw Error("original.line and original.column are not numbers -- you probably meant to omit the original mapping entirely and only map the generated position. If so, pass null for the original mapping instead of an object with empty or null values.");if(!(c&&"line"in c&&"column"in c&&0<c.line&&0<=c.column&&!l&&!q&&!r||c&&"line"in c&&"column"in c&&l&&"line"in l&&"column"in l&&0<c.line&&0<=c.column&&0<l.line&&0<=l.column&&
+q))throw Error("Invalid mapping: "+JSON.stringify({generated:c,source:q,original:l,name:r}));};e.prototype._serializeMappings=function(){for(var c=0,l=1,q=0,r=0,k=0,u=0,d="",g,n,v,z=this._mappings.toArray(),G=0,D=z.length;G<D;G++){n=z[G];g="";if(n.generatedLine!==l)for(c=0;n.generatedLine!==l;)g+=";",l++;else if(0<G){if(!t.compareByGeneratedPositionsInflated(n,z[G-1]))continue;g+=","}g+=p.encode(n.generatedColumn-c);c=n.generatedColumn;null!=n.source&&(v=this._sources.indexOf(n.source),g+=p.encode(v-
+u),u=v,g+=p.encode(n.originalLine-1-r),r=n.originalLine-1,g+=p.encode(n.originalColumn-q),q=n.originalColumn,null!=n.name&&(n=this._names.indexOf(n.name),g+=p.encode(n-k),k=n));d+=g}return d};e.prototype._generateSourcesContent=function(c,l){return c.map(function(q){if(!this._sourcesContents)return null;null!=l&&(q=t.relative(l,q));q=t.toSetString(q);return Object.prototype.hasOwnProperty.call(this._sourcesContents,q)?this._sourcesContents[q]:null},this)};e.prototype.toJSON=function(){var c={version:this._version,
+sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};null!=this._file&&(c.file=this._file);null!=this._sourceRoot&&(c.sourceRoot=this._sourceRoot);this._sourcesContents&&(c.sourcesContent=this._generateSourcesContent(c.sources,c.sourceRoot));return c};e.prototype.toString=function(){return JSON.stringify(this.toJSON())};A.SourceMapGenerator=e},{"./array-set":10,"./base64-vlq":11,"./mapping-list":14,"./util":19}],18:[function(C,J,A){function e(f,c,l,q,r){this.children=
+[];this.sourceContents={};this.line=null==f?null:f;this.column=null==c?null:c;this.source=null==l?null:l;this.name=null==r?null:r;this.$$$isSourceNode$$$=!0;null!=q&&this.add(q)}var p=C("./source-map-generator").SourceMapGenerator,t=C("./util"),m=/(\r?\n)/;e.fromStringWithSourceMap=function(f,c,l){function q(z,G){if(null===z||void 0===z.source)r.add(G);else{var D=l?t.join(l,z.source):z.source;r.add(new e(z.originalLine,z.originalColumn,D,G,z.name))}}var r=new e,k=f.split(m),u=0,d=function(){var z=
+u<k.length?k[u++]:void 0,G=(u<k.length?k[u++]:void 0)||"";return z+G},g=1,n=0,v=null;c.eachMapping(function(z){if(null!==v)if(g<z.generatedLine)q(v,d()),g++,n=0;else{var G=k[u]||"",D=G.substr(0,z.generatedColumn-n);k[u]=G.substr(z.generatedColumn-n);n=z.generatedColumn;q(v,D);v=z;return}for(;g<z.generatedLine;)r.add(d()),g++;n<z.generatedColumn&&(G=k[u]||"",r.add(G.substr(0,z.generatedColumn)),k[u]=G.substr(z.generatedColumn),n=z.generatedColumn);v=z},this);u<k.length&&(v&&q(v,d()),r.add(k.splice(u).join("")));
+c.sources.forEach(function(z){var G=c.sourceContentFor(z);null!=G&&(null!=l&&(z=t.join(l,z)),r.setSourceContent(z,G))});return r};e.prototype.add=function(f){if(Array.isArray(f))f.forEach(function(c){this.add(c)},this);else if(f.$$$isSourceNode$$$||"string"===typeof f)f&&this.children.push(f);else throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+f);return this};e.prototype.prepend=function(f){if(Array.isArray(f))for(var c=f.length-1;0<=c;c--)this.prepend(f[c]);
+else if(f.$$$isSourceNode$$$||"string"===typeof f)this.children.unshift(f);else throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+f);return this};e.prototype.walk=function(f){for(var c,l=0,q=this.children.length;l<q;l++)c=this.children[l],c.$$$isSourceNode$$$?c.walk(f):""!==c&&f(c,{source:this.source,line:this.line,column:this.column,name:this.name})};e.prototype.join=function(f){var c,l=this.children.length;if(0<l){var q=[];for(c=0;c<l-1;c++)q.push(this.children[c]),
+q.push(f);q.push(this.children[c]);this.children=q}return this};e.prototype.replaceRight=function(f,c){var l=this.children[this.children.length-1];l.$$$isSourceNode$$$?l.replaceRight(f,c):"string"===typeof l?this.children[this.children.length-1]=l.replace(f,c):this.children.push("".replace(f,c));return this};e.prototype.setSourceContent=function(f,c){this.sourceContents[t.toSetString(f)]=c};e.prototype.walkSourceContents=function(f){for(var c=0,l=this.children.length;c<l;c++)this.children[c].$$$isSourceNode$$$&&
+this.children[c].walkSourceContents(f);var q=Object.keys(this.sourceContents);c=0;for(l=q.length;c<l;c++)f(t.fromSetString(q[c]),this.sourceContents[q[c]])};e.prototype.toString=function(){var f="";this.walk(function(c){f+=c});return f};e.prototype.toStringWithSourceMap=function(f){var c="",l=1,q=0,r=new p(f),k=!1,u=null,d=null,g=null,n=null;this.walk(function(v,z){c+=v;null!==z.source&&null!==z.line&&null!==z.column?(u===z.source&&d===z.line&&g===z.column&&n===z.name||r.addMapping({source:z.source,
+original:{line:z.line,column:z.column},generated:{line:l,column:q},name:z.name}),u=z.source,d=z.line,g=z.column,n=z.name,k=!0):k&&(r.addMapping({generated:{line:l,column:q}}),u=null,k=!1);for(var G=0,D=v.length;G<D;G++)10===v.charCodeAt(G)?(l++,q=0,G+1===D?(u=null,k=!1):k&&r.addMapping({source:z.source,original:{line:z.line,column:z.column},generated:{line:l,column:q},name:z.name})):q++});this.walkSourceContents(function(v,z){r.setSourceContent(v,z)});return{code:c,map:r}};A.SourceNode=e},{"./source-map-generator":17,
+"./util":19}],19:[function(C,J,A){function e(d){return(d=d.match(k))?{scheme:d[1],auth:d[2],host:d[3],port:d[4],path:d[5]}:null}function p(d){var g="";d.scheme&&(g+=d.scheme+":");g+="//";d.auth&&(g+=d.auth+"@");d.host&&(g+=d.host);d.port&&(g+=":"+d.port);d.path&&(g+=d.path);return g}function t(d){var g=d,n=e(d);if(n){if(!n.path)return d;g=n.path}d=A.isAbsolute(g);g=g.split(/\/+/);for(var v,z=0,G=g.length-1;0<=G;G--)v=g[G],"."===v?g.splice(G,1):".."===v?z++:0<z&&(""===v?(g.splice(G+1,z),z=0):(g.splice(G,
+2),z--));g=g.join("/");""===g&&(g=d?"/":".");return n?(n.path=g,p(n)):g}function m(d,g){""===d&&(d=".");""===g&&(g=".");var n=e(g),v=e(d);v&&(d=v.path||"/");if(n&&!n.scheme)return v&&(n.scheme=v.scheme),p(n);if(n||g.match(u))return g;if(v&&!v.host&&!v.path)return v.host=g,p(v);n="/"===g.charAt(0)?g:t(d.replace(/\/+$/,"")+"/"+g);return v?(v.path=n,p(v)):n}function f(d){return d}function c(d){return q(d)?"$"+d:d}function l(d){return q(d)?d.slice(1):d}function q(d){if(!d)return!1;var g=d.length;if(9>
+g||95!==d.charCodeAt(g-1)||95!==d.charCodeAt(g-2)||111!==d.charCodeAt(g-3)||116!==d.charCodeAt(g-4)||111!==d.charCodeAt(g-5)||114!==d.charCodeAt(g-6)||112!==d.charCodeAt(g-7)||95!==d.charCodeAt(g-8)||95!==d.charCodeAt(g-9))return!1;for(g-=10;0<=g;g--)if(36!==d.charCodeAt(g))return!1;return!0}function r(d,g){return d===g?0:null===d?1:null===g?-1:d>g?1:-1}A.getArg=function(d,g,n){if(g in d)return d[g];if(3===arguments.length)return n;throw Error('"'+g+'" is a required argument.');};var k=/^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/,
+u=/^data:.+,.+$/;A.urlParse=e;A.urlGenerate=p;A.normalize=t;A.join=m;A.isAbsolute=function(d){return"/"===d.charAt(0)||k.test(d)};A.relative=function(d,g){""===d&&(d=".");d=d.replace(/\/$/,"");for(var n=0;0!==g.indexOf(d+"/");){var v=d.lastIndexOf("/");if(0>v)return g;d=d.slice(0,v);if(d.match(/^([^\/]+:\/)?\/*$/))return g;++n}return Array(n+1).join("../")+g.substr(d.length+1)};C=!("__proto__"in Object.create(null));A.toSetString=C?f:c;A.fromSetString=C?f:l;A.compareByOriginalPositions=function(d,
+g,n){var v=r(d.source,g.source);if(0!==v)return v;v=d.originalLine-g.originalLine;if(0!==v)return v;v=d.originalColumn-g.originalColumn;if(0!==v||n)return v;v=d.generatedColumn-g.generatedColumn;if(0!==v)return v;v=d.generatedLine-g.generatedLine;return 0!==v?v:r(d.name,g.name)};A.compareByGeneratedPositionsDeflated=function(d,g,n){var v=d.generatedLine-g.generatedLine;if(0!==v)return v;v=d.generatedColumn-g.generatedColumn;if(0!==v||n)return v;v=r(d.source,g.source);if(0!==v)return v;v=d.originalLine-
+g.originalLine;if(0!==v)return v;v=d.originalColumn-g.originalColumn;return 0!==v?v:r(d.name,g.name)};A.compareByGeneratedPositionsInflated=function(d,g){var n=d.generatedLine-g.generatedLine;if(0!==n)return n;n=d.generatedColumn-g.generatedColumn;if(0!==n)return n;n=r(d.source,g.source);if(0!==n)return n;n=d.originalLine-g.originalLine;if(0!==n)return n;n=d.originalColumn-g.originalColumn;return 0!==n?n:r(d.name,g.name)};A.parseSourceMapInput=function(d){return JSON.parse(d.replace(/^\)]}'[^\n]*\n/,
+""))};A.computeSourceURL=function(d,g,n){g=g||"";d&&("/"!==d[d.length-1]&&"/"!==g[0]&&(d+="/"),g=d+g);if(n){d=e(n);if(!d)throw Error("sourceMapURL could not be parsed");d.path&&(n=d.path.lastIndexOf("/"),0<=n&&(d.path=d.path.substring(0,n+1)));g=m(p(d),g)}return t(g)}},{}],20:[function(C,J,A){A.SourceMapGenerator=C("./lib/source-map-generator").SourceMapGenerator;A.SourceMapConsumer=C("./lib/source-map-consumer").SourceMapConsumer;A.SourceNode=C("./lib/source-node").SourceNode},{"./lib/source-map-consumer":16,
+"./lib/source-map-generator":17,"./lib/source-node":18}],21:[function(C,J,A){(function(e){function p(){return"browser"===a?!0:"node"===a?!1:"undefined"!==typeof window&&"function"===typeof XMLHttpRequest&&!(window.require&&window.module&&window.process&&"renderer"===window.process.type)}function t(x){return function(B){for(var F=0;F<x.length;F++){var E=x[F](B);if(E)return E}return null}}function m(x,B){if(!x)return B;var F=n.dirname(x),E=/^\w+:\/\/[^\/]*/.exec(F);E=E?E[0]:"";var H=F.slice(E.length);
+return E&&/^\/\w:/.test(H)?(E+="/",E+n.resolve(F.slice(E.length),B).replace(/\\/g,"/")):E+n.resolve(F.slice(E.length),B)}function f(x){var B=h[x.source];if(!B){var F=N(x.source);F?(B=h[x.source]={url:F.url,map:new g(F.map)},B.map.sourcesContent&&B.map.sources.forEach(function(E,H){var M=B.map.sourcesContent[H];if(M){var S=m(B.url,E);b[S]=M}})):B=h[x.source]={url:null,map:null}}return B&&B.map&&"function"===typeof B.map.originalPositionFor&&(F=B.map.originalPositionFor(x),null!==F.source)?(F.source=
+m(B.url,F.source),F):x}function c(x){var B=/^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(x);return B?(x=f({source:B[2],line:+B[3],column:B[4]-1}),"eval at "+B[1]+" ("+x.source+":"+x.line+":"+(x.column+1)+")"):(B=/^eval at ([^(]+) \((.+)\)$/.exec(x))?"eval at "+B[1]+" ("+c(B[2])+")":x}function l(){var x="";if(this.isNative())x="native";else{var B=this.getScriptNameOrSourceURL();!B&&this.isEval()&&(x=this.getEvalOrigin(),x+=", ");x=B?x+B:x+"<anonymous>";B=this.getLineNumber();null!=B&&(x+=":"+B,(B=
+this.getColumnNumber())&&(x+=":"+B))}B="";var F=this.getFunctionName(),E=!0,H=this.isConstructor();if(this.isToplevel()||H)H?B+="new "+(F||"<anonymous>"):F?B+=F:(B+=x,E=!1);else{H=this.getTypeName();"[object Object]"===H&&(H="null");var M=this.getMethodName();F?(H&&0!=F.indexOf(H)&&(B+=H+"."),B+=F,M&&F.indexOf("."+M)!=F.length-M.length-1&&(B+=" [as "+M+"]")):B+=H+"."+(M||"<anonymous>")}E&&(B+=" ("+x+")");return B}function q(x){var B={};Object.getOwnPropertyNames(Object.getPrototypeOf(x)).forEach(function(F){B[F]=
+/^(?:is|get)/.test(F)?function(){return x[F].call(x)}:x[F]});B.toString=l;return B}function r(x,B){void 0===B&&(B={nextPosition:null,curPosition:null});if(x.isNative())return B.curPosition=null,x;var F=x.getFileName()||x.getScriptNameOrSourceURL();if(F){var E=x.getLineNumber(),H=x.getColumnNumber()-1,M=/^v(10\.1[6-9]|10\.[2-9][0-9]|10\.[0-9]{3,}|1[2-9]\d*|[2-9]\d|\d{3,}|11\.11)/,S=M.test;var V="object"===typeof e&&null!==e?e.version:"";M=S.call(M,V)?0:62;1===E&&H>M&&!p()&&!x.isEval()&&(H-=M);var O=
+f({source:F,line:E,column:H});B.curPosition=O;x=q(x);var T=x.getFunctionName;x.getFunctionName=function(){return null==B.nextPosition?T():B.nextPosition.name||T()};x.getFileName=function(){return O.source};x.getLineNumber=function(){return O.line};x.getColumnNumber=function(){return O.column+1};x.getScriptNameOrSourceURL=function(){return O.source};return x}var Q=x.isEval()&&x.getEvalOrigin();Q&&(Q=c(Q),x=q(x),x.getEvalOrigin=function(){return Q});return x}function k(x,B){L&&(b={},h={});for(var F=
+(x.name||"Error")+": "+(x.message||""),E={nextPosition:null,curPosition:null},H=[],M=B.length-1;0<=M;M--)H.push("\n    at "+r(B[M],E)),E.nextPosition=E.curPosition;E.curPosition=E.nextPosition=null;return F+H.reverse().join("")}function u(x){var B=/\n    at [^(]+ \((.*):(\d+):(\d+)\)/.exec(x.stack);if(B){x=B[1];var F=+B[2];B=+B[3];var E=b[x];if(!E&&v&&v.existsSync(x))try{E=v.readFileSync(x,"utf8")}catch(H){E=""}if(E&&(E=E.split(/(?:\r\n|\r|\n)/)[F-1]))return x+":"+F+"\n"+E+"\n"+Array(B).join(" ")+
+"^"}return null}function d(){var x=e.emit;e.emit=function(B){if("uncaughtException"===B){var F=arguments[1]&&arguments[1].stack,E=0<this.listeners(B).length;if(F&&!E){F=arguments[1];E=u(F);var H="object"===typeof e&&null!==e?e.stderr:void 0;H&&H._handle&&H._handle.setBlocking&&H._handle.setBlocking(!0);E&&(console.error(),console.error(E));console.error(F.stack);"object"===typeof e&&null!==e&&"function"===typeof e.exit&&e.exit(1);return}}return x.apply(this,arguments)}}var g=C("source-map").SourceMapConsumer,
+n=C("path");try{var v=C("fs");v.existsSync&&v.readFileSync||(v=null)}catch(x){}var z=C("buffer-from"),G=!1,D=!1,L=!1,a="auto",b={},h={},w=/^data:application\/json[^,]+base64,/,y=[],I=[],K=t(y);y.push(function(x){x=x.trim();/^file:/.test(x)&&(x=x.replace(/file:\/\/\/(\w:)?/,function(E,H){return H?"":"/"}));if(x in b)return b[x];var B="";try{if(v)v.existsSync(x)&&(B=v.readFileSync(x,"utf8"));else{var F=new XMLHttpRequest;F.open("GET",x,!1);F.send(null);4===F.readyState&&200===F.status&&(B=F.responseText)}}catch(E){}return b[x]=
+B});var N=t(I);I.push(function(x){a:{if(p())try{var B=new XMLHttpRequest;B.open("GET",x,!1);B.send(null);var F=B.getResponseHeader("SourceMap")||B.getResponseHeader("X-SourceMap");if(F){var E=F;break a}}catch(M){}E=K(x);B=/(?:\/\/[@#][\s]*sourceMappingURL=([^\s'"]+)[\s]*$)|(?:\/\*[@#][\s]*sourceMappingURL=([^\s*'"]+)[\s]*(?:\*\/)[\s]*$)/mg;for(var H;F=B.exec(E);)H=F;E=H?H[1]:null}if(!E)return null;w.test(E)?(H=E.slice(E.indexOf(",")+1),H=z(H,"base64").toString(),E=x):(E=m(x,E),H=K(E));return H?{url:E,
+map:H}:null});var P=y.slice(0),W=I.slice(0);A.wrapCallSite=r;A.getErrorSource=u;A.mapSourcePosition=f;A.retrieveSourceMap=N;A.install=function(x){x=x||{};if(x.environment&&(a=x.environment,-1===["node","browser","auto"].indexOf(a)))throw Error("environment "+a+" was unknown. Available options are {auto, browser, node}");x.retrieveFile&&(x.overrideRetrieveFile&&(y.length=0),y.unshift(x.retrieveFile));x.retrieveSourceMap&&(x.overrideRetrieveSourceMap&&(I.length=0),I.unshift(x.retrieveSourceMap));if(x.hookRequire&&
+!p()){var B=J.require("module"),F=B.prototype._compile;F.__sourceMapSupport||(B.prototype._compile=function(E,H){b[H]=E;h[H]=void 0;return F.call(this,E,H)},B.prototype._compile.__sourceMapSupport=!0)}L||(L="emptyCacheBetweenOperations"in x?x.emptyCacheBetweenOperations:!1);G||(G=!0,Error.prepareStackTrace=k);if(!D){x="handleUncaughtExceptions"in x?x.handleUncaughtExceptions:!0;try{!1===J.require("worker_threads").isMainThread&&(x=!1)}catch(E){}x&&"object"===typeof e&&null!==e&&"function"===typeof e.on&&
+(D=!0,d())}};A.resetRetrieveHandlers=function(){y.length=0;I.length=0;y=P.slice(0);I=W.slice(0);N=t(I);K=t(y)}}).call(this,C("g5I+bs"))},{"buffer-from":4,fs:3,"g5I+bs":9,path:8,"source-map":20}]},{},[1]);return R});
diff --git a/node_modules/source-map-support/node_modules/source-map/CHANGELOG.md b/node_modules/source-map-support/node_modules/source-map/CHANGELOG.md
new file mode 100644
index 00000000..3a8c066c
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/CHANGELOG.md
@@ -0,0 +1,301 @@
+# Change Log
+
+## 0.5.6
+
+* Fix for regression when people were using numbers as names in source maps. See
+  #236.
+
+## 0.5.5
+
+* Fix "regression" of unsupported, implementation behavior that half the world
+  happens to have come to depend on. See #235.
+
+* Fix regression involving function hoisting in SpiderMonkey. See #233.
+
+## 0.5.4
+
+* Large performance improvements to source-map serialization. See #228 and #229.
+
+## 0.5.3
+
+* Do not include unnecessary distribution files. See
+  commit ef7006f8d1647e0a83fdc60f04f5a7ca54886f86.
+
+## 0.5.2
+
+* Include browser distributions of the library in package.json's `files`. See
+  issue #212.
+
+## 0.5.1
+
+* Fix latent bugs in IndexedSourceMapConsumer.prototype._parseMappings. See
+  ff05274becc9e6e1295ed60f3ea090d31d843379.
+
+## 0.5.0
+
+* Node 0.8 is no longer supported.
+
+* Use webpack instead of dryice for bundling.
+
+* Big speedups serializing source maps. See pull request #203.
+
+* Fix a bug with `SourceMapConsumer.prototype.sourceContentFor` and sources that
+  explicitly start with the source root. See issue #199.
+
+## 0.4.4
+
+* Fix an issue where using a `SourceMapGenerator` after having created a
+  `SourceMapConsumer` from it via `SourceMapConsumer.fromSourceMap` failed. See
+  issue #191.
+
+* Fix an issue with where `SourceMapGenerator` would mistakenly consider
+  different mappings as duplicates of each other and avoid generating them. See
+  issue #192.
+
+## 0.4.3
+
+* A very large number of performance improvements, particularly when parsing
+  source maps. Collectively about 75% of time shaved off of the source map
+  parsing benchmark!
+
+* Fix a bug in `SourceMapConsumer.prototype.allGeneratedPositionsFor` and fuzzy
+  searching in the presence of a column option. See issue #177.
+
+* Fix a bug with joining a source and its source root when the source is above
+  the root. See issue #182.
+
+* Add the `SourceMapConsumer.prototype.hasContentsOfAllSources` method to
+  determine when all sources' contents are inlined into the source map. See
+  issue #190.
+
+## 0.4.2
+
+* Add an `.npmignore` file so that the benchmarks aren't pulled down by
+  dependent projects. Issue #169.
+
+* Add an optional `column` argument to
+  `SourceMapConsumer.prototype.allGeneratedPositionsFor` and better handle lines
+  with no mappings. Issues #172 and #173.
+
+## 0.4.1
+
+* Fix accidentally defining a global variable. #170.
+
+## 0.4.0
+
+* The default direction for fuzzy searching was changed back to its original
+  direction. See #164.
+
+* There is now a `bias` option you can supply to `SourceMapConsumer` to control
+  the fuzzy searching direction. See #167.
+
+* About an 8% speed up in parsing source maps. See #159.
+
+* Added a benchmark for parsing and generating source maps.
+
+## 0.3.0
+
+* Change the default direction that searching for positions fuzzes when there is
+  not an exact match. See #154.
+
+* Support for environments using json2.js for JSON serialization. See #156.
+
+## 0.2.0
+
+* Support for consuming "indexed" source maps which do not have any remote
+  sections. See pull request #127. This introduces a minor backwards
+  incompatibility if you are monkey patching `SourceMapConsumer.prototype`
+  methods.
+
+## 0.1.43
+
+* Performance improvements for `SourceMapGenerator` and `SourceNode`. See issue
+  #148 for some discussion and issues #150, #151, and #152 for implementations.
+
+## 0.1.42
+
+* Fix an issue where `SourceNode`s from different versions of the source-map
+  library couldn't be used in conjunction with each other. See issue #142.
+
+## 0.1.41
+
+* Fix a bug with getting the source content of relative sources with a "./"
+  prefix. See issue #145 and [Bug 1090768](bugzil.la/1090768).
+
+* Add the `SourceMapConsumer.prototype.computeColumnSpans` method to compute the
+  column span of each mapping.
+
+* Add the `SourceMapConsumer.prototype.allGeneratedPositionsFor` method to find
+  all generated positions associated with a given original source and line.
+
+## 0.1.40
+
+* Performance improvements for parsing source maps in SourceMapConsumer.
+
+## 0.1.39
+
+* Fix a bug where setting a source's contents to null before any source content
+  had been set before threw a TypeError. See issue #131.
+
+## 0.1.38
+
+* Fix a bug where finding relative paths from an empty path were creating
+  absolute paths. See issue #129.
+
+## 0.1.37
+
+* Fix a bug where if the source root was an empty string, relative source paths
+  would turn into absolute source paths. Issue #124.
+
+## 0.1.36
+
+* Allow the `names` mapping property to be an empty string. Issue #121.
+
+## 0.1.35
+
+* A third optional parameter was added to `SourceNode.fromStringWithSourceMap`
+  to specify a path that relative sources in the second parameter should be
+  relative to. Issue #105.
+
+* If no file property is given to a `SourceMapGenerator`, then the resulting
+  source map will no longer have a `null` file property. The property will
+  simply not exist. Issue #104.
+
+* Fixed a bug where consecutive newlines were ignored in `SourceNode`s.
+  Issue #116.
+
+## 0.1.34
+
+* Make `SourceNode` work with windows style ("\r\n") newlines. Issue #103.
+
+* Fix bug involving source contents and the
+  `SourceMapGenerator.prototype.applySourceMap`. Issue #100.
+
+## 0.1.33
+
+* Fix some edge cases surrounding path joining and URL resolution.
+
+* Add a third parameter for relative path to
+  `SourceMapGenerator.prototype.applySourceMap`.
+
+* Fix issues with mappings and EOLs.
+
+## 0.1.32
+
+* Fixed a bug where SourceMapConsumer couldn't handle negative relative columns
+  (issue 92).
+
+* Fixed test runner to actually report number of failed tests as its process
+  exit code.
+
+* Fixed a typo when reporting bad mappings (issue 87).
+
+## 0.1.31
+
+* Delay parsing the mappings in SourceMapConsumer until queried for a source
+  location.
+
+* Support Sass source maps (which at the time of writing deviate from the spec
+  in small ways) in SourceMapConsumer.
+
+## 0.1.30
+
+* Do not join source root with a source, when the source is a data URI.
+
+* Extend the test runner to allow running single specific test files at a time.
+
+* Performance improvements in `SourceNode.prototype.walk` and
+  `SourceMapConsumer.prototype.eachMapping`.
+
+* Source map browser builds will now work inside Workers.
+
+* Better error messages when attempting to add an invalid mapping to a
+  `SourceMapGenerator`.
+
+## 0.1.29
+
+* Allow duplicate entries in the `names` and `sources` arrays of source maps
+  (usually from TypeScript) we are parsing. Fixes github issue 72.
+
+## 0.1.28
+
+* Skip duplicate mappings when creating source maps from SourceNode; github
+  issue 75.
+
+## 0.1.27
+
+* Don't throw an error when the `file` property is missing in SourceMapConsumer,
+  we don't use it anyway.
+
+## 0.1.26
+
+* Fix SourceNode.fromStringWithSourceMap for empty maps. Fixes github issue 70.
+
+## 0.1.25
+
+* Make compatible with browserify
+
+## 0.1.24
+
+* Fix issue with absolute paths and `file://` URIs. See
+  https://bugzilla.mozilla.org/show_bug.cgi?id=885597
+
+## 0.1.23
+
+* Fix issue with absolute paths and sourcesContent, github issue 64.
+
+## 0.1.22
+
+* Ignore duplicate mappings in SourceMapGenerator. Fixes github issue 21.
+
+## 0.1.21
+
+* Fixed handling of sources that start with a slash so that they are relative to
+  the source root's host.
+
+## 0.1.20
+
+* Fixed github issue #43: absolute URLs aren't joined with the source root
+  anymore.
+
+## 0.1.19
+
+* Using Travis CI to run tests.
+
+## 0.1.18
+
+* Fixed a bug in the handling of sourceRoot.
+
+## 0.1.17
+
+* Added SourceNode.fromStringWithSourceMap.
+
+## 0.1.16
+
+* Added missing documentation.
+
+* Fixed the generating of empty mappings in SourceNode.
+
+## 0.1.15
+
+* Added SourceMapGenerator.applySourceMap.
+
+## 0.1.14
+
+* The sourceRoot is now handled consistently.
+
+## 0.1.13
+
+* Added SourceMapGenerator.fromSourceMap.
+
+## 0.1.12
+
+* SourceNode now generates empty mappings too.
+
+## 0.1.11
+
+* Added name support to SourceNode.
+
+## 0.1.10
+
+* Added sourcesContent support to the customer and generator.
diff --git a/node_modules/source-map-support/node_modules/source-map/LICENSE b/node_modules/source-map-support/node_modules/source-map/LICENSE
new file mode 100644
index 00000000..ed1b7cf2
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/LICENSE
@@ -0,0 +1,28 @@
+
+Copyright (c) 2009-2011, Mozilla Foundation and contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the names of the Mozilla Foundation nor the names of project
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/source-map-support/node_modules/source-map/README.md b/node_modules/source-map-support/node_modules/source-map/README.md
new file mode 100644
index 00000000..fea4beb1
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/README.md
@@ -0,0 +1,742 @@
+# Source Map
+
+[![Build Status](https://travis-ci.org/mozilla/source-map.png?branch=master)](https://travis-ci.org/mozilla/source-map)
+
+[![NPM](https://nodei.co/npm/source-map.png?downloads=true&downloadRank=true)](https://www.npmjs.com/package/source-map)
+
+This is a library to generate and consume the source map format
+[described here][format].
+
+[format]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+
+## Use with Node
+
+    $ npm install source-map
+
+## Use on the Web
+
+    <script src="https://raw.githubusercontent.com/mozilla/source-map/master/dist/source-map.min.js" defer></script>
+
+--------------------------------------------------------------------------------
+
+<!-- `npm run toc` to regenerate the Table of Contents -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Examples](#examples)
+  - [Consuming a source map](#consuming-a-source-map)
+  - [Generating a source map](#generating-a-source-map)
+    - [With SourceNode (high level API)](#with-sourcenode-high-level-api)
+    - [With SourceMapGenerator (low level API)](#with-sourcemapgenerator-low-level-api)
+- [API](#api)
+  - [SourceMapConsumer](#sourcemapconsumer)
+    - [new SourceMapConsumer(rawSourceMap)](#new-sourcemapconsumerrawsourcemap)
+    - [SourceMapConsumer.prototype.computeColumnSpans()](#sourcemapconsumerprototypecomputecolumnspans)
+    - [SourceMapConsumer.prototype.originalPositionFor(generatedPosition)](#sourcemapconsumerprototypeoriginalpositionforgeneratedposition)
+    - [SourceMapConsumer.prototype.generatedPositionFor(originalPosition)](#sourcemapconsumerprototypegeneratedpositionfororiginalposition)
+    - [SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)](#sourcemapconsumerprototypeallgeneratedpositionsfororiginalposition)
+    - [SourceMapConsumer.prototype.hasContentsOfAllSources()](#sourcemapconsumerprototypehascontentsofallsources)
+    - [SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])](#sourcemapconsumerprototypesourcecontentforsource-returnnullonmissing)
+    - [SourceMapConsumer.prototype.eachMapping(callback, context, order)](#sourcemapconsumerprototypeeachmappingcallback-context-order)
+  - [SourceMapGenerator](#sourcemapgenerator)
+    - [new SourceMapGenerator([startOfSourceMap])](#new-sourcemapgeneratorstartofsourcemap)
+    - [SourceMapGenerator.fromSourceMap(sourceMapConsumer)](#sourcemapgeneratorfromsourcemapsourcemapconsumer)
+    - [SourceMapGenerator.prototype.addMapping(mapping)](#sourcemapgeneratorprototypeaddmappingmapping)
+    - [SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)](#sourcemapgeneratorprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])](#sourcemapgeneratorprototypeapplysourcemapsourcemapconsumer-sourcefile-sourcemappath)
+    - [SourceMapGenerator.prototype.toString()](#sourcemapgeneratorprototypetostring)
+  - [SourceNode](#sourcenode)
+    - [new SourceNode([line, column, source[, chunk[, name]]])](#new-sourcenodeline-column-source-chunk-name)
+    - [SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])](#sourcenodefromstringwithsourcemapcode-sourcemapconsumer-relativepath)
+    - [SourceNode.prototype.add(chunk)](#sourcenodeprototypeaddchunk)
+    - [SourceNode.prototype.prepend(chunk)](#sourcenodeprototypeprependchunk)
+    - [SourceNode.prototype.setSourceContent(sourceFile, sourceContent)](#sourcenodeprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceNode.prototype.walk(fn)](#sourcenodeprototypewalkfn)
+    - [SourceNode.prototype.walkSourceContents(fn)](#sourcenodeprototypewalksourcecontentsfn)
+    - [SourceNode.prototype.join(sep)](#sourcenodeprototypejoinsep)
+    - [SourceNode.prototype.replaceRight(pattern, replacement)](#sourcenodeprototypereplacerightpattern-replacement)
+    - [SourceNode.prototype.toString()](#sourcenodeprototypetostring)
+    - [SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])](#sourcenodeprototypetostringwithsourcemapstartofsourcemap)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## Examples
+
+### Consuming a source map
+
+```js
+var rawSourceMap = {
+  version: 3,
+  file: 'min.js',
+  names: ['bar', 'baz', 'n'],
+  sources: ['one.js', 'two.js'],
+  sourceRoot: 'http://example.com/www/js/',
+  mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
+};
+
+var smc = new SourceMapConsumer(rawSourceMap);
+
+console.log(smc.sources);
+// [ 'http://example.com/www/js/one.js',
+//   'http://example.com/www/js/two.js' ]
+
+console.log(smc.originalPositionFor({
+  line: 2,
+  column: 28
+}));
+// { source: 'http://example.com/www/js/two.js',
+//   line: 2,
+//   column: 10,
+//   name: 'n' }
+
+console.log(smc.generatedPositionFor({
+  source: 'http://example.com/www/js/two.js',
+  line: 2,
+  column: 10
+}));
+// { line: 2, column: 28 }
+
+smc.eachMapping(function (m) {
+  // ...
+});
+```
+
+### Generating a source map
+
+In depth guide:
+[**Compiling to JavaScript, and Debugging with Source Maps**](https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/)
+
+#### With SourceNode (high level API)
+
+```js
+function compile(ast) {
+  switch (ast.type) {
+  case 'BinaryExpression':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      [compile(ast.left), " + ", compile(ast.right)]
+    );
+  case 'Literal':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      String(ast.value)
+    );
+  // ...
+  default:
+    throw new Error("Bad AST");
+  }
+}
+
+var ast = parse("40 + 2", "add.js");
+console.log(compile(ast).toStringWithSourceMap({
+  file: 'add.js'
+}));
+// { code: '40 + 2',
+//   map: [object SourceMapGenerator] }
+```
+
+#### With SourceMapGenerator (low level API)
+
+```js
+var map = new SourceMapGenerator({
+  file: "source-mapped.js"
+});
+
+map.addMapping({
+  generated: {
+    line: 10,
+    column: 35
+  },
+  source: "foo.js",
+  original: {
+    line: 33,
+    column: 2
+  },
+  name: "christopher"
+});
+
+console.log(map.toString());
+// '{"version":3,"file":"source-mapped.js","sources":["foo.js"],"names":["christopher"],"mappings":";;;;;;;;;mCAgCEA"}'
+```
+
+## API
+
+Get a reference to the module:
+
+```js
+// Node.js
+var sourceMap = require('source-map');
+
+// Browser builds
+var sourceMap = window.sourceMap;
+
+// Inside Firefox
+const sourceMap = require("devtools/toolkit/sourcemap/source-map.js");
+```
+
+### SourceMapConsumer
+
+A SourceMapConsumer instance represents a parsed source map which we can query
+for information about the original file positions by giving it a file position
+in the generated source.
+
+#### new SourceMapConsumer(rawSourceMap)
+
+The only parameter is the raw source map (either as a string which can be
+`JSON.parse`'d, or an object). According to the spec, source maps have the
+following attributes:
+
+* `version`: Which version of the source map spec this map is following.
+
+* `sources`: An array of URLs to the original source files.
+
+* `names`: An array of identifiers which can be referenced by individual
+  mappings.
+
+* `sourceRoot`: Optional. The URL root from which all sources are relative.
+
+* `sourcesContent`: Optional. An array of contents of the original source files.
+
+* `mappings`: A string of base64 VLQs which contain the actual mappings.
+
+* `file`: Optional. The generated filename this source map is associated with.
+
+```js
+var consumer = new sourceMap.SourceMapConsumer(rawSourceMapJsonData);
+```
+
+#### SourceMapConsumer.prototype.computeColumnSpans()
+
+Compute the last column for each generated mapping. The last column is
+inclusive.
+
+```js
+// Before:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+
+consumer.computeColumnSpans();
+
+// After:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1,
+//     lastColumn: 9 },
+//   { line: 2,
+//     column: 10,
+//     lastColumn: 19 },
+//   { line: 2,
+//     column: 20,
+//     lastColumn: Infinity } ]
+
+```
+
+#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
+
+Returns the original source, line, and column information for the generated
+source's line and column positions provided. The only argument is an object with
+the following properties:
+
+* `line`: The line number in the generated source.  Line numbers in
+  this library are 1-based (note that the underlying source map
+  specification uses 0-based line numbers -- this library handles the
+  translation).
+
+* `column`: The column number in the generated source.  Column numbers
+  in this library are 0-based.
+
+* `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
+  `SourceMapConsumer.LEAST_UPPER_BOUND`. Specifies whether to return the closest
+  element that is smaller than or greater than the one we are searching for,
+  respectively, if the exact element cannot be found.  Defaults to
+  `SourceMapConsumer.GREATEST_LOWER_BOUND`.
+
+and an object is returned with the following properties:
+
+* `source`: The original source file, or null if this information is not
+  available.
+
+* `line`: The line number in the original source, or null if this information is
+  not available.  The line number is 1-based.
+
+* `column`: The column number in the original source, or null if this
+  information is not available.  The column number is 0-based.
+
+* `name`: The original identifier, or null if this information is not available.
+
+```js
+consumer.originalPositionFor({ line: 2, column: 10 })
+// { source: 'foo.coffee',
+//   line: 2,
+//   column: 2,
+//   name: null }
+
+consumer.originalPositionFor({ line: 99999999999999999, column: 999999999999999 })
+// { source: null,
+//   line: null,
+//   column: null,
+//   name: null }
+```
+
+#### SourceMapConsumer.prototype.generatedPositionFor(originalPosition)
+
+Returns the generated line and column information for the original source,
+line, and column positions provided. The only argument is an object with
+the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: The column number in the original source.  The column
+  number is 0-based.
+
+and an object is returned with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.generatedPositionFor({ source: "example.js", line: 2, column: 10 })
+// { line: 1,
+//   column: 56 }
+```
+
+#### SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)
+
+Returns all generated line and column information for the original source, line,
+and column provided. If no column is provided, returns all mappings
+corresponding to a either the line we are searching for or the next closest line
+that has any mappings. Otherwise, returns all mappings corresponding to the
+given line and either the column we are searching for or the next closest column
+that has any offsets.
+
+The only argument is an object with the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: Optional. The column number in the original source.  The
+  column number is 0-based.
+
+and an array of objects is returned, each with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.allGeneratedpositionsfor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+```
+
+#### SourceMapConsumer.prototype.hasContentsOfAllSources()
+
+Return true if we have the embedded source content for every source listed in
+the source map, false otherwise.
+
+In other words, if this method returns `true`, then
+`consumer.sourceContentFor(s)` will succeed for every source `s` in
+`consumer.sources`.
+
+```js
+// ...
+if (consumer.hasContentsOfAllSources()) {
+  consumerReadyCallback(consumer);
+} else {
+  fetchSources(consumer, consumerReadyCallback);
+}
+// ...
+```
+
+#### SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])
+
+Returns the original source content for the source provided. The only
+argument is the URL of the original source file.
+
+If the source content for the given source is not found, then an error is
+thrown. Optionally, pass `true` as the second param to have `null` returned
+instead.
+
+```js
+consumer.sources
+// [ "my-cool-lib.clj" ]
+
+consumer.sourceContentFor("my-cool-lib.clj")
+// "..."
+
+consumer.sourceContentFor("this is not in the source map");
+// Error: "this is not in the source map" is not in the source map
+
+consumer.sourceContentFor("this is not in the source map", true);
+// null
+```
+
+#### SourceMapConsumer.prototype.eachMapping(callback, context, order)
+
+Iterate over each mapping between an original source/line/column and a
+generated line/column in this source map.
+
+* `callback`: The function that is called with each mapping. Mappings have the
+  form `{ source, generatedLine, generatedColumn, originalLine, originalColumn,
+  name }`
+
+* `context`: Optional. If specified, this object will be the value of `this`
+  every time that `callback` is called.
+
+* `order`: Either `SourceMapConsumer.GENERATED_ORDER` or
+  `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to iterate over
+  the mappings sorted by the generated file's line/column order or the
+  original's source/line/column order, respectively. Defaults to
+  `SourceMapConsumer.GENERATED_ORDER`.
+
+```js
+consumer.eachMapping(function (m) { console.log(m); })
+// ...
+// { source: 'illmatic.js',
+//   generatedLine: 1,
+//   generatedColumn: 0,
+//   originalLine: 1,
+//   originalColumn: 0,
+//   name: null }
+// { source: 'illmatic.js',
+//   generatedLine: 2,
+//   generatedColumn: 0,
+//   originalLine: 2,
+//   originalColumn: 0,
+//   name: null }
+// ...
+```
+### SourceMapGenerator
+
+An instance of the SourceMapGenerator represents a source map which is being
+built incrementally.
+
+#### new SourceMapGenerator([startOfSourceMap])
+
+You may pass an object with the following properties:
+
+* `file`: The filename of the generated source that this source map is
+  associated with.
+
+* `sourceRoot`: A root for all relative URLs in this source map.
+
+* `skipValidation`: Optional. When `true`, disables validation of mappings as
+  they are added. This can improve performance but should be used with
+  discretion, as a last resort. Even then, one should avoid using this flag when
+  running tests, if possible.
+
+```js
+var generator = new sourceMap.SourceMapGenerator({
+  file: "my-generated-javascript-file.js",
+  sourceRoot: "http://example.com/app/js/"
+});
+```
+
+#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
+
+Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.
+
+* `sourceMapConsumer` The SourceMap.
+
+```js
+var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
+```
+
+#### SourceMapGenerator.prototype.addMapping(mapping)
+
+Add a single mapping from original source line and column to the generated
+source's line and column for this source map being created. The mapping object
+should have the following properties:
+
+* `generated`: An object with the generated line and column positions.
+
+* `original`: An object with the original line and column positions.
+
+* `source`: The original source file (relative to the sourceRoot).
+
+* `name`: An optional original token name for this mapping.
+
+```js
+generator.addMapping({
+  source: "module-one.scm",
+  original: { line: 128, column: 0 },
+  generated: { line: 3, column: 456 }
+})
+```
+
+#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for an original source file.
+
+* `sourceFile` the URL of the original source file.
+
+* `sourceContent` the content of the source file.
+
+```js
+generator.setSourceContent("module-one.scm",
+                           fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])
+
+Applies a SourceMap for a source file to the SourceMap.
+Each mapping to the supplied source file is rewritten using the
+supplied SourceMap. Note: The resolution for the resulting mappings
+is the minimum of this map and the supplied map.
+
+* `sourceMapConsumer`: The SourceMap to be applied.
+
+* `sourceFile`: Optional. The filename of the source file.
+  If omitted, sourceMapConsumer.file will be used, if it exists.
+  Otherwise an error will be thrown.
+
+* `sourceMapPath`: Optional. The dirname of the path to the SourceMap
+  to be applied. If relative, it is relative to the SourceMap.
+
+  This parameter is needed when the two SourceMaps aren't in the same
+  directory, and the SourceMap to be applied contains relative source
+  paths. If so, those relative source paths need to be rewritten
+  relative to the SourceMap.
+
+  If omitted, it is assumed that both SourceMaps are in the same directory,
+  thus not needing any rewriting. (Supplying `'.'` has the same effect.)
+
+#### SourceMapGenerator.prototype.toString()
+
+Renders the source map being generated to a string.
+
+```js
+generator.toString()
+// '{"version":3,"sources":["module-one.scm"],"names":[],"mappings":"...snip...","file":"my-generated-javascript-file.js","sourceRoot":"http://example.com/app/js/"}'
+```
+
+### SourceNode
+
+SourceNodes provide a way to abstract over interpolating and/or concatenating
+snippets of generated JavaScript source code, while maintaining the line and
+column information associated between those snippets and the original source
+code. This is useful as the final intermediate representation a compiler might
+use before outputting the generated JS and source map.
+
+#### new SourceNode([line, column, source[, chunk[, name]]])
+
+* `line`: The original line number associated with this source node, or null if
+  it isn't associated with an original line.  The line number is 1-based.
+
+* `column`: The original column number associated with this source node, or null
+  if it isn't associated with an original column.  The column number
+  is 0-based.
+
+* `source`: The original source's filename; null if no filename is provided.
+
+* `chunk`: Optional. Is immediately passed to `SourceNode.prototype.add`, see
+  below.
+
+* `name`: Optional. The original identifier.
+
+```js
+var node = new SourceNode(1, 2, "a.cpp", [
+  new SourceNode(3, 4, "b.cpp", "extern int status;\n"),
+  new SourceNode(5, 6, "c.cpp", "std::string* make_string(size_t n);\n"),
+  new SourceNode(7, 8, "d.cpp", "int main(int argc, char** argv) {}\n"),
+]);
+```
+
+#### SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])
+
+Creates a SourceNode from generated code and a SourceMapConsumer.
+
+* `code`: The generated code
+
+* `sourceMapConsumer` The SourceMap for the generated code
+
+* `relativePath` The optional path that relative sources in `sourceMapConsumer`
+  should be relative to.
+
+```js
+var consumer = new SourceMapConsumer(fs.readFileSync("path/to/my-file.js.map", "utf8"));
+var node = SourceNode.fromStringWithSourceMap(fs.readFileSync("path/to/my-file.js"),
+                                              consumer);
+```
+
+#### SourceNode.prototype.add(chunk)
+
+Add a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.add(" + ");
+node.add(otherNode);
+node.add([leftHandOperandNode, " + ", rightHandOperandNode]);
+```
+
+#### SourceNode.prototype.prepend(chunk)
+
+Prepend a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.prepend("/** Build Id: f783haef86324gf **/\n\n");
+```
+
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
+```js
+node.setSourceContent("module-one.scm",
+                      fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceNode.prototype.walk(fn)
+
+Walk over the tree of JS snippets in this node and its children. The walking
+function is called once for each snippet of JS and is passed that snippet and
+the its original associated source's line/column location.
+
+* `fn`: The traversal function.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.walk(function (code, loc) { console.log("WALK:", code, loc); })
+// WALK: uno { source: 'b.js', line: 3, column: 4, name: null }
+// WALK: dos { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: tres { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: quatro { source: 'c.js', line: 5, column: 6, name: null }
+```
+
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
+```js
+var a = new SourceNode(1, 2, "a.js", "generated from a");
+a.setSourceContent("a.js", "original a");
+var b = new SourceNode(1, 2, "b.js", "generated from b");
+b.setSourceContent("b.js", "original b");
+var c = new SourceNode(1, 2, "c.js", "generated from c");
+c.setSourceContent("c.js", "original c");
+
+var node = new SourceNode(null, null, null, [a, b, c]);
+node.walkSourceContents(function (source, contents) { console.log("WALK:", source, ":", contents); })
+// WALK: a.js : original a
+// WALK: b.js : original b
+// WALK: c.js : original c
+```
+
+#### SourceNode.prototype.join(sep)
+
+Like `Array.prototype.join` except for SourceNodes. Inserts the separator
+between each of this source node's children.
+
+* `sep`: The separator.
+
+```js
+var lhs = new SourceNode(1, 2, "a.rs", "my_copy");
+var operand = new SourceNode(3, 4, "a.rs", "=");
+var rhs = new SourceNode(5, 6, "a.rs", "orig.clone()");
+
+var node = new SourceNode(null, null, null, [ lhs, operand, rhs ]);
+var joinedNode = node.join(" ");
+```
+
+#### SourceNode.prototype.replaceRight(pattern, replacement)
+
+Call `String.prototype.replace` on the very right-most source snippet. Useful
+for trimming white space from the end of a source node, etc.
+
+* `pattern`: The pattern to replace.
+
+* `replacement`: The thing to replace the pattern with.
+
+```js
+// Trim trailing white space.
+node.replaceRight(/\s*$/, "");
+```
+
+#### SourceNode.prototype.toString()
+
+Return the string representation of this source node. Walks over the tree and
+concatenates all the various snippets together to one string.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toString()
+// 'unodostresquatro'
+```
+
+#### SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])
+
+Returns the string representation of this tree of source nodes, plus a
+SourceMapGenerator which contains all the mappings between the generated and
+original sources.
+
+The arguments are the same as those to `new SourceMapGenerator`.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toStringWithSourceMap({ file: "my-output-file.js" })
+// { code: 'unodostresquatro',
+//   map: [object SourceMapGenerator] }
+```
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/array-set.js b/node_modules/source-map-support/node_modules/source-map/lib/array-set.js
new file mode 100644
index 00000000..fbd5c81c
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/array-set.js
@@ -0,0 +1,121 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/base64-vlq.js b/node_modules/source-map-support/node_modules/source-map/lib/base64-vlq.js
new file mode 100644
index 00000000..612b4040
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/base64-vlq.js
@@ -0,0 +1,140 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/base64.js b/node_modules/source-map-support/node_modules/source-map/lib/base64.js
new file mode 100644
index 00000000..8aa86b30
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/base64.js
@@ -0,0 +1,67 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/binary-search.js b/node_modules/source-map-support/node_modules/source-map/lib/binary-search.js
new file mode 100644
index 00000000..010ac941
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/binary-search.js
@@ -0,0 +1,111 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+exports.GREATEST_LOWER_BOUND = 1;
+exports.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Recursive implementation of binary search.
+ *
+ * @param aLow Indices here and lower do not contain the needle.
+ * @param aHigh Indices here and higher do not contain the needle.
+ * @param aNeedle The element being searched for.
+ * @param aHaystack The non-empty array being searched.
+ * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ */
+function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
+  // This function terminates when one of the following is true:
+  //
+  //   1. We find the exact element we are looking for.
+  //
+  //   2. We did not find the exact element, but we can return the index of
+  //      the next-closest element.
+  //
+  //   3. We did not find the exact element, and there is no next-closest
+  //      element than the one we are searching for, so we return -1.
+  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+  var cmp = aCompare(aNeedle, aHaystack[mid], true);
+  if (cmp === 0) {
+    // Found the element we are looking for.
+    return mid;
+  }
+  else if (cmp > 0) {
+    // Our needle is greater than aHaystack[mid].
+    if (aHigh - mid > 1) {
+      // The element is in the upper half.
+      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // The exact needle element was not found in this haystack. Determine if
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return aHigh < aHaystack.length ? aHigh : -1;
+    } else {
+      return mid;
+    }
+  }
+  else {
+    // Our needle is less than aHaystack[mid].
+    if (mid - aLow > 1) {
+      // The element is in the lower half.
+      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return mid;
+    } else {
+      return aLow < 0 ? -1 : aLow;
+    }
+  }
+}
+
+/**
+ * This is an implementation of binary search which will always try and return
+ * the index of the closest element if there is no exact hit. This is because
+ * mappings between original and generated line/col pairs are single points,
+ * and there is an implicit region between each of them, so a miss just means
+ * that you aren't on the very start of a region.
+ *
+ * @param aNeedle The element you are looking for.
+ * @param aHaystack The array that is being searched.
+ * @param aCompare A function which takes the needle and an element in the
+ *     array and returns -1, 0, or 1 depending on whether the needle is less
+ *     than, equal to, or greater than the element, respectively.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
+ */
+exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
+  if (aHaystack.length === 0) {
+    return -1;
+  }
+
+  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
+  if (index < 0) {
+    return -1;
+  }
+
+  // We have found either the exact element, or the next-closest element than
+  // the one we are searching for. However, there may be more than one such
+  // element. Make sure we always return the smallest of these.
+  while (index - 1 >= 0) {
+    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
+      break;
+    }
+    --index;
+  }
+
+  return index;
+};
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/mapping-list.js b/node_modules/source-map-support/node_modules/source-map/lib/mapping-list.js
new file mode 100644
index 00000000..06d1274a
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/mapping-list.js
@@ -0,0 +1,79 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/quick-sort.js b/node_modules/source-map-support/node_modules/source-map/lib/quick-sort.js
new file mode 100644
index 00000000..6a7caadb
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/quick-sort.js
@@ -0,0 +1,114 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+// It turns out that some (most?) JavaScript engines don't self-host
+// `Array.prototype.sort`. This makes sense because C++ will likely remain
+// faster than JS when doing raw CPU-intensive sorting. However, when using a
+// custom comparator function, calling back and forth between the VM's C++ and
+// JIT'd JS is rather slow *and* loses JIT type information, resulting in
+// worse generated code for the comparator function than would be optimal. In
+// fact, when sorting with a comparator, these costs outweigh the benefits of
+// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+// a ~3500ms mean speed-up in `bench/bench.html`.
+
+/**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ *        The array.
+ * @param {Number} x
+ *        The index of the first item.
+ * @param {Number} y
+ *        The index of the second item.
+ */
+function swap(ary, x, y) {
+  var temp = ary[x];
+  ary[x] = ary[y];
+  ary[y] = temp;
+}
+
+/**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ *        The lower bound on the range.
+ * @param {Number} high
+ *        The upper bound on the range.
+ */
+function randomIntInRange(low, high) {
+  return Math.round(low + (Math.random() * (high - low)));
+}
+
+/**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ * @param {Number} p
+ *        Start index of the array
+ * @param {Number} r
+ *        End index of the array
+ */
+function doQuickSort(ary, comparator, p, r) {
+  // If our lower bound is less than our upper bound, we (1) partition the
+  // array into two pieces and (2) recurse on each half. If it is not, this is
+  // the empty array and our base case.
+
+  if (p < r) {
+    // (1) Partitioning.
+    //
+    // The partitioning chooses a pivot between `p` and `r` and moves all
+    // elements that are less than or equal to the pivot to the before it, and
+    // all the elements that are greater than it after it. The effect is that
+    // once partition is done, the pivot is in the exact place it will be when
+    // the array is put in sorted order, and it will not need to be moved
+    // again. This runs in O(n) time.
+
+    // Always choose a random pivot so that an input array which is reverse
+    // sorted does not cause O(n^2) running time.
+    var pivotIndex = randomIntInRange(p, r);
+    var i = p - 1;
+
+    swap(ary, pivotIndex, r);
+    var pivot = ary[r];
+
+    // Immediately after `j` is incremented in this loop, the following hold
+    // true:
+    //
+    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
+    //
+    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+    for (var j = p; j < r; j++) {
+      if (comparator(ary[j], pivot) <= 0) {
+        i += 1;
+        swap(ary, i, j);
+      }
+    }
+
+    swap(ary, i + 1, j);
+    var q = i + 1;
+
+    // (2) Recurse on each half.
+
+    doQuickSort(ary, comparator, p, q - 1);
+    doQuickSort(ary, comparator, q + 1, r);
+  }
+}
+
+/**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ */
+exports.quickSort = function (ary, comparator) {
+  doQuickSort(ary, comparator, 0, ary.length - 1);
+};
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/source-map-consumer.js b/node_modules/source-map-support/node_modules/source-map/lib/source-map-consumer.js
new file mode 100644
index 00000000..7b99d1da
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/source-map-consumer.js
@@ -0,0 +1,1145 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var binarySearch = require('./binary-search');
+var ArraySet = require('./array-set').ArraySet;
+var base64VLQ = require('./base64-vlq');
+var quickSort = require('./quick-sort').quickSort;
+
+function SourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  return sourceMap.sections != null
+    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
+    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
+}
+
+SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) {
+  return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL);
+}
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+SourceMapConsumer.prototype._version = 3;
+
+// `__generatedMappings` and `__originalMappings` are arrays that hold the
+// parsed mapping coordinates from the source map's "mappings" attribute. They
+// are lazily instantiated, accessed via the `_generatedMappings` and
+// `_originalMappings` getters respectively, and we only parse the mappings
+// and create these arrays once queried for a source location. We jump through
+// these hoops because there can be many thousands of mappings, and parsing
+// them is expensive, so we only want to do it if we must.
+//
+// Each object in the arrays is of the form:
+//
+//     {
+//       generatedLine: The line number in the generated code,
+//       generatedColumn: The column number in the generated code,
+//       source: The path to the original source file that generated this
+//               chunk of code,
+//       originalLine: The line number in the original source that
+//                     corresponds to this chunk of generated code,
+//       originalColumn: The column number in the original source that
+//                       corresponds to this chunk of generated code,
+//       name: The name of the original symbol which generated this chunk of
+//             code.
+//     }
+//
+// All properties except for `generatedLine` and `generatedColumn` can be
+// `null`.
+//
+// `_generatedMappings` is ordered by the generated positions.
+//
+// `_originalMappings` is ordered by the original positions.
+
+SourceMapConsumer.prototype.__generatedMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__generatedMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__generatedMappings;
+  }
+});
+
+SourceMapConsumer.prototype.__originalMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__originalMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__originalMappings;
+  }
+});
+
+SourceMapConsumer.prototype._charIsMappingSeparator =
+  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
+    var c = aStr.charAt(index);
+    return c === ";" || c === ",";
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+SourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    throw new Error("Subclasses must implement _parseMappings");
+  };
+
+SourceMapConsumer.GENERATED_ORDER = 1;
+SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
+SourceMapConsumer.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Iterate over each mapping between an original source/line/column and a
+ * generated line/column in this source map.
+ *
+ * @param Function aCallback
+ *        The function that is called with each mapping.
+ * @param Object aContext
+ *        Optional. If specified, this object will be the value of `this` every
+ *        time that `aCallback` is called.
+ * @param aOrder
+ *        Either `SourceMapConsumer.GENERATED_ORDER` or
+ *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+ *        iterate over the mappings sorted by the generated file's line/column
+ *        order or the original's source/line/column order, respectively. Defaults to
+ *        `SourceMapConsumer.GENERATED_ORDER`.
+ */
+SourceMapConsumer.prototype.eachMapping =
+  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+    var context = aContext || null;
+    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+    var mappings;
+    switch (order) {
+    case SourceMapConsumer.GENERATED_ORDER:
+      mappings = this._generatedMappings;
+      break;
+    case SourceMapConsumer.ORIGINAL_ORDER:
+      mappings = this._originalMappings;
+      break;
+    default:
+      throw new Error("Unknown order of iteration.");
+    }
+
+    var sourceRoot = this.sourceRoot;
+    mappings.map(function (mapping) {
+      var source = mapping.source === null ? null : this._sources.at(mapping.source);
+      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
+      return {
+        source: source,
+        generatedLine: mapping.generatedLine,
+        generatedColumn: mapping.generatedColumn,
+        originalLine: mapping.originalLine,
+        originalColumn: mapping.originalColumn,
+        name: mapping.name === null ? null : this._names.at(mapping.name)
+      };
+    }, this).forEach(aCallback, context);
+  };
+
+/**
+ * Returns all generated line and column information for the original source,
+ * line, and column provided. If no column is provided, returns all mappings
+ * corresponding to a either the line we are searching for or the next
+ * closest line that has any mappings. Otherwise, returns all mappings
+ * corresponding to the given line and either the column we are searching for
+ * or the next closest column that has any offsets.
+ *
+ * The only argument is an object with the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number is 1-based.
+ *   - column: Optional. the column number in the original source.
+ *    The column number is 0-based.
+ *
+ * and an array of objects is returned, each with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *    line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *    The column number is 0-based.
+ */
+SourceMapConsumer.prototype.allGeneratedPositionsFor =
+  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
+    var line = util.getArg(aArgs, 'line');
+
+    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
+    // returns the index of the closest mapping less than the needle. By
+    // setting needle.originalColumn to 0, we thus find the last mapping for
+    // the given line, provided such a mapping exists.
+    var needle = {
+      source: util.getArg(aArgs, 'source'),
+      originalLine: line,
+      originalColumn: util.getArg(aArgs, 'column', 0)
+    };
+
+    needle.source = this._findSourceIndex(needle.source);
+    if (needle.source < 0) {
+      return [];
+    }
+
+    var mappings = [];
+
+    var index = this._findMapping(needle,
+                                  this._originalMappings,
+                                  "originalLine",
+                                  "originalColumn",
+                                  util.compareByOriginalPositions,
+                                  binarySearch.LEAST_UPPER_BOUND);
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (aArgs.column === undefined) {
+        var originalLine = mapping.originalLine;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we found. Since
+        // mappings are sorted, this is guaranteed to find all mappings for
+        // the line we found.
+        while (mapping && mapping.originalLine === originalLine) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      } else {
+        var originalColumn = mapping.originalColumn;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we were searching for.
+        // Since mappings are sorted, this is guaranteed to find all mappings for
+        // the line we are searching for.
+        while (mapping &&
+               mapping.originalLine === line &&
+               mapping.originalColumn == originalColumn) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      }
+    }
+
+    return mappings;
+  };
+
+exports.SourceMapConsumer = SourceMapConsumer;
+
+/**
+ * A BasicSourceMapConsumer instance represents a parsed source map which we can
+ * query for information about the original file positions by giving it a file
+ * position in the generated source.
+ *
+ * The first parameter is the raw source map (either as a JSON string, or
+ * already parsed to an object). According to the spec, source maps have the
+ * following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - sources: An array of URLs to the original source files.
+ *   - names: An array of identifiers which can be referrenced by individual mappings.
+ *   - sourceRoot: Optional. The URL root from which all sources are relative.
+ *   - sourcesContent: Optional. An array of contents of the original source files.
+ *   - mappings: A string of base64 VLQs which contain the actual mappings.
+ *   - file: Optional. The generated file this source map is associated with.
+ *
+ * Here is an example source map, taken from the source map spec[0]:
+ *
+ *     {
+ *       version : 3,
+ *       file: "out.js",
+ *       sourceRoot : "",
+ *       sources: ["foo.js", "bar.js"],
+ *       names: ["src", "maps", "are", "fun"],
+ *       mappings: "AA,AB;;ABCDE;"
+ *     }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+ */
+function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sources = util.getArg(sourceMap, 'sources');
+  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
+  // requires the array) to play nice here.
+  var names = util.getArg(sourceMap, 'names', []);
+  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
+  var mappings = util.getArg(sourceMap, 'mappings');
+  var file = util.getArg(sourceMap, 'file', null);
+
+  // Once again, Sass deviates from the spec and supplies the version as a
+  // string rather than a number, so we use loose equality checking here.
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  if (sourceRoot) {
+    sourceRoot = util.normalize(sourceRoot);
+  }
+
+  sources = sources
+    .map(String)
+    // Some source maps produce relative source paths like "./foo.js" instead of
+    // "foo.js".  Normalize these first so that future comparisons will succeed.
+    // See bugzil.la/1090768.
+    .map(util.normalize)
+    // Always ensure that absolute sources are internally stored relative to
+    // the source root, if the source root is absolute. Not doing this would
+    // be particularly problematic when the source root is a prefix of the
+    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
+    .map(function (source) {
+      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
+        ? util.relative(sourceRoot, source)
+        : source;
+    });
+
+  // Pass `true` below to allow duplicate names and sources. While source maps
+  // are intended to be compressed and deduplicated, the TypeScript compiler
+  // sometimes generates source maps with duplicates in them. See Github issue
+  // #72 and bugzil.la/889492.
+  this._names = ArraySet.fromArray(names.map(String), true);
+  this._sources = ArraySet.fromArray(sources, true);
+
+  this._absoluteSources = this._sources.toArray().map(function (s) {
+    return util.computeSourceURL(sourceRoot, s, aSourceMapURL);
+  });
+
+  this.sourceRoot = sourceRoot;
+  this.sourcesContent = sourcesContent;
+  this._mappings = mappings;
+  this._sourceMapURL = aSourceMapURL;
+  this.file = file;
+}
+
+BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
+
+/**
+ * Utility function to find the index of a source.  Returns -1 if not
+ * found.
+ */
+BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) {
+  var relativeSource = aSource;
+  if (this.sourceRoot != null) {
+    relativeSource = util.relative(this.sourceRoot, relativeSource);
+  }
+
+  if (this._sources.has(relativeSource)) {
+    return this._sources.indexOf(relativeSource);
+  }
+
+  // Maybe aSource is an absolute URL as returned by |sources|.  In
+  // this case we can't simply undo the transform.
+  var i;
+  for (i = 0; i < this._absoluteSources.length; ++i) {
+    if (this._absoluteSources[i] == aSource) {
+      return i;
+    }
+  }
+
+  return -1;
+};
+
+/**
+ * Create a BasicSourceMapConsumer from a SourceMapGenerator.
+ *
+ * @param SourceMapGenerator aSourceMap
+ *        The source map that will be consumed.
+ * @param String aSourceMapURL
+ *        The URL at which the source map can be found (optional)
+ * @returns BasicSourceMapConsumer
+ */
+BasicSourceMapConsumer.fromSourceMap =
+  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
+    var smc = Object.create(BasicSourceMapConsumer.prototype);
+
+    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
+    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
+    smc.sourceRoot = aSourceMap._sourceRoot;
+    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
+                                                            smc.sourceRoot);
+    smc.file = aSourceMap._file;
+    smc._sourceMapURL = aSourceMapURL;
+    smc._absoluteSources = smc._sources.toArray().map(function (s) {
+      return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL);
+    });
+
+    // Because we are modifying the entries (by converting string sources and
+    // names to indices into the sources and names ArraySets), we have to make
+    // a copy of the entry or else bad things happen. Shared mutable state
+    // strikes again! See github issue #191.
+
+    var generatedMappings = aSourceMap._mappings.toArray().slice();
+    var destGeneratedMappings = smc.__generatedMappings = [];
+    var destOriginalMappings = smc.__originalMappings = [];
+
+    for (var i = 0, length = generatedMappings.length; i < length; i++) {
+      var srcMapping = generatedMappings[i];
+      var destMapping = new Mapping;
+      destMapping.generatedLine = srcMapping.generatedLine;
+      destMapping.generatedColumn = srcMapping.generatedColumn;
+
+      if (srcMapping.source) {
+        destMapping.source = sources.indexOf(srcMapping.source);
+        destMapping.originalLine = srcMapping.originalLine;
+        destMapping.originalColumn = srcMapping.originalColumn;
+
+        if (srcMapping.name) {
+          destMapping.name = names.indexOf(srcMapping.name);
+        }
+
+        destOriginalMappings.push(destMapping);
+      }
+
+      destGeneratedMappings.push(destMapping);
+    }
+
+    quickSort(smc.__originalMappings, util.compareByOriginalPositions);
+
+    return smc;
+  };
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+BasicSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    return this._absoluteSources.slice();
+  }
+});
+
+/**
+ * Provide the JIT with a nice shape / hidden class.
+ */
+function Mapping() {
+  this.generatedLine = 0;
+  this.generatedColumn = 0;
+  this.source = null;
+  this.originalLine = null;
+  this.originalColumn = null;
+  this.name = null;
+}
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+BasicSourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    var generatedLine = 1;
+    var previousGeneratedColumn = 0;
+    var previousOriginalLine = 0;
+    var previousOriginalColumn = 0;
+    var previousSource = 0;
+    var previousName = 0;
+    var length = aStr.length;
+    var index = 0;
+    var cachedSegments = {};
+    var temp = {};
+    var originalMappings = [];
+    var generatedMappings = [];
+    var mapping, str, segment, end, value;
+
+    while (index < length) {
+      if (aStr.charAt(index) === ';') {
+        generatedLine++;
+        index++;
+        previousGeneratedColumn = 0;
+      }
+      else if (aStr.charAt(index) === ',') {
+        index++;
+      }
+      else {
+        mapping = new Mapping();
+        mapping.generatedLine = generatedLine;
+
+        // Because each offset is encoded relative to the previous one,
+        // many segments often have the same encoding. We can exploit this
+        // fact by caching the parsed variable length fields of each segment,
+        // allowing us to avoid a second parse if we encounter the same
+        // segment again.
+        for (end = index; end < length; end++) {
+          if (this._charIsMappingSeparator(aStr, end)) {
+            break;
+          }
+        }
+        str = aStr.slice(index, end);
+
+        segment = cachedSegments[str];
+        if (segment) {
+          index += str.length;
+        } else {
+          segment = [];
+          while (index < end) {
+            base64VLQ.decode(aStr, index, temp);
+            value = temp.value;
+            index = temp.rest;
+            segment.push(value);
+          }
+
+          if (segment.length === 2) {
+            throw new Error('Found a source, but no line and column');
+          }
+
+          if (segment.length === 3) {
+            throw new Error('Found a source and line, but no column');
+          }
+
+          cachedSegments[str] = segment;
+        }
+
+        // Generated column.
+        mapping.generatedColumn = previousGeneratedColumn + segment[0];
+        previousGeneratedColumn = mapping.generatedColumn;
+
+        if (segment.length > 1) {
+          // Original source.
+          mapping.source = previousSource + segment[1];
+          previousSource += segment[1];
+
+          // Original line.
+          mapping.originalLine = previousOriginalLine + segment[2];
+          previousOriginalLine = mapping.originalLine;
+          // Lines are stored 0-based
+          mapping.originalLine += 1;
+
+          // Original column.
+          mapping.originalColumn = previousOriginalColumn + segment[3];
+          previousOriginalColumn = mapping.originalColumn;
+
+          if (segment.length > 4) {
+            // Original name.
+            mapping.name = previousName + segment[4];
+            previousName += segment[4];
+          }
+        }
+
+        generatedMappings.push(mapping);
+        if (typeof mapping.originalLine === 'number') {
+          originalMappings.push(mapping);
+        }
+      }
+    }
+
+    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
+    this.__generatedMappings = generatedMappings;
+
+    quickSort(originalMappings, util.compareByOriginalPositions);
+    this.__originalMappings = originalMappings;
+  };
+
+/**
+ * Find the mapping that best matches the hypothetical "needle" mapping that
+ * we are searching for in the given "haystack" of mappings.
+ */
+BasicSourceMapConsumer.prototype._findMapping =
+  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                         aColumnName, aComparator, aBias) {
+    // To return the position we are searching for, we must first find the
+    // mapping for the given position and then return the opposite position it
+    // points to. Because the mappings are sorted, we can use binary search to
+    // find the best mapping.
+
+    if (aNeedle[aLineName] <= 0) {
+      throw new TypeError('Line must be greater than or equal to 1, got '
+                          + aNeedle[aLineName]);
+    }
+    if (aNeedle[aColumnName] < 0) {
+      throw new TypeError('Column must be greater than or equal to 0, got '
+                          + aNeedle[aColumnName]);
+    }
+
+    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
+  };
+
+/**
+ * Compute the last column for each generated mapping. The last column is
+ * inclusive.
+ */
+BasicSourceMapConsumer.prototype.computeColumnSpans =
+  function SourceMapConsumer_computeColumnSpans() {
+    for (var index = 0; index < this._generatedMappings.length; ++index) {
+      var mapping = this._generatedMappings[index];
+
+      // Mappings do not contain a field for the last generated columnt. We
+      // can come up with an optimistic estimate, however, by assuming that
+      // mappings are contiguous (i.e. given two consecutive mappings, the
+      // first mapping ends where the second one starts).
+      if (index + 1 < this._generatedMappings.length) {
+        var nextMapping = this._generatedMappings[index + 1];
+
+        if (mapping.generatedLine === nextMapping.generatedLine) {
+          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
+          continue;
+        }
+      }
+
+      // The last mapping for each line spans the entire line.
+      mapping.lastGeneratedColumn = Infinity;
+    }
+  };
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+BasicSourceMapConsumer.prototype.originalPositionFor =
+  function SourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._generatedMappings,
+      "generatedLine",
+      "generatedColumn",
+      util.compareByGeneratedPositionsDeflated,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._generatedMappings[index];
+
+      if (mapping.generatedLine === needle.generatedLine) {
+        var source = util.getArg(mapping, 'source', null);
+        if (source !== null) {
+          source = this._sources.at(source);
+          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
+        }
+        var name = util.getArg(mapping, 'name', null);
+        if (name !== null) {
+          name = this._names.at(name);
+        }
+        return {
+          source: source,
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: name
+        };
+      }
+    }
+
+    return {
+      source: null,
+      line: null,
+      column: null,
+      name: null
+    };
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function BasicSourceMapConsumer_hasContentsOfAllSources() {
+    if (!this.sourcesContent) {
+      return false;
+    }
+    return this.sourcesContent.length >= this._sources.size() &&
+      !this.sourcesContent.some(function (sc) { return sc == null; });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+BasicSourceMapConsumer.prototype.sourceContentFor =
+  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    if (!this.sourcesContent) {
+      return null;
+    }
+
+    var index = this._findSourceIndex(aSource);
+    if (index >= 0) {
+      return this.sourcesContent[index];
+    }
+
+    var relativeSource = aSource;
+    if (this.sourceRoot != null) {
+      relativeSource = util.relative(this.sourceRoot, relativeSource);
+    }
+
+    var url;
+    if (this.sourceRoot != null
+        && (url = util.urlParse(this.sourceRoot))) {
+      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
+      // many users. We can help them out when they expect file:// URIs to
+      // behave like it would if they were running a local HTTP server. See
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
+      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
+      if (url.scheme == "file"
+          && this._sources.has(fileUriAbsPath)) {
+        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
+      }
+
+      if ((!url.path || url.path == "/")
+          && this._sources.has("/" + relativeSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
+      }
+    }
+
+    // This function is used recursively from
+    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
+    // don't want to throw if we can't find the source - we just want to
+    // return null, so we provide a flag to exit gracefully.
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+BasicSourceMapConsumer.prototype.generatedPositionFor =
+  function SourceMapConsumer_generatedPositionFor(aArgs) {
+    var source = util.getArg(aArgs, 'source');
+    source = this._findSourceIndex(source);
+    if (source < 0) {
+      return {
+        line: null,
+        column: null,
+        lastColumn: null
+      };
+    }
+
+    var needle = {
+      source: source,
+      originalLine: util.getArg(aArgs, 'line'),
+      originalColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._originalMappings,
+      "originalLine",
+      "originalColumn",
+      util.compareByOriginalPositions,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (mapping.source === needle.source) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null),
+          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+        };
+      }
+    }
+
+    return {
+      line: null,
+      column: null,
+      lastColumn: null
+    };
+  };
+
+exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
+
+/**
+ * An IndexedSourceMapConsumer instance represents a parsed source map which
+ * we can query for information. It differs from BasicSourceMapConsumer in
+ * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
+ * input.
+ *
+ * The first parameter is a raw source map (either as a JSON string, or already
+ * parsed to an object). According to the spec for indexed source maps, they
+ * have the following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - file: Optional. The generated file this source map is associated with.
+ *   - sections: A list of section definitions.
+ *
+ * Each value under the "sections" field has two fields:
+ *   - offset: The offset into the original specified at which this section
+ *       begins to apply, defined as an object with a "line" and "column"
+ *       field.
+ *   - map: A source map definition. This source map could also be indexed,
+ *       but doesn't have to be.
+ *
+ * Instead of the "map" field, it's also possible to have a "url" field
+ * specifying a URL to retrieve a source map from, but that's currently
+ * unsupported.
+ *
+ * Here's an example source map, taken from the source map spec[0], but
+ * modified to omit a section which uses the "url" field.
+ *
+ *  {
+ *    version : 3,
+ *    file: "app.js",
+ *    sections: [{
+ *      offset: {line:100, column:10},
+ *      map: {
+ *        version : 3,
+ *        file: "section.js",
+ *        sources: ["foo.js", "bar.js"],
+ *        names: ["src", "maps", "are", "fun"],
+ *        mappings: "AAAA,E;;ABCDE;"
+ *      }
+ *    }],
+ *  }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
+ */
+function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sections = util.getArg(sourceMap, 'sections');
+
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+
+  var lastOffset = {
+    line: -1,
+    column: 0
+  };
+  this._sections = sections.map(function (s) {
+    if (s.url) {
+      // The url field will require support for asynchronicity.
+      // See https://github.com/mozilla/source-map/issues/16
+      throw new Error('Support for url field in sections not implemented.');
+    }
+    var offset = util.getArg(s, 'offset');
+    var offsetLine = util.getArg(offset, 'line');
+    var offsetColumn = util.getArg(offset, 'column');
+
+    if (offsetLine < lastOffset.line ||
+        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
+      throw new Error('Section offsets must be ordered and non-overlapping.');
+    }
+    lastOffset = offset;
+
+    return {
+      generatedOffset: {
+        // The offset fields are 0-based, but we use 1-based indices when
+        // encoding/decoding from VLQ.
+        generatedLine: offsetLine + 1,
+        generatedColumn: offsetColumn + 1
+      },
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
+    }
+  });
+}
+
+IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+IndexedSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    var sources = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
+        sources.push(this._sections[i].consumer.sources[j]);
+      }
+    }
+    return sources;
+  }
+});
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+IndexedSourceMapConsumer.prototype.originalPositionFor =
+  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    // Find the section containing the generated position we're trying to map
+    // to an original position.
+    var sectionIndex = binarySearch.search(needle, this._sections,
+      function(needle, section) {
+        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
+        if (cmp) {
+          return cmp;
+        }
+
+        return (needle.generatedColumn -
+                section.generatedOffset.generatedColumn);
+      });
+    var section = this._sections[sectionIndex];
+
+    if (!section) {
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    }
+
+    return section.consumer.originalPositionFor({
+      line: needle.generatedLine -
+        (section.generatedOffset.generatedLine - 1),
+      column: needle.generatedColumn -
+        (section.generatedOffset.generatedLine === needle.generatedLine
+         ? section.generatedOffset.generatedColumn - 1
+         : 0),
+      bias: aArgs.bias
+    });
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
+    return this._sections.every(function (s) {
+      return s.consumer.hasContentsOfAllSources();
+    });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+IndexedSourceMapConsumer.prototype.sourceContentFor =
+  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      var content = section.consumer.sourceContentFor(aSource, true);
+      if (content) {
+        return content;
+      }
+    }
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based. 
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+IndexedSourceMapConsumer.prototype.generatedPositionFor =
+  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      // Only consider this section if the requested source is in the list of
+      // sources of the consumer.
+      if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) {
+        continue;
+      }
+      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
+      if (generatedPosition) {
+        var ret = {
+          line: generatedPosition.line +
+            (section.generatedOffset.generatedLine - 1),
+          column: generatedPosition.column +
+            (section.generatedOffset.generatedLine === generatedPosition.line
+             ? section.generatedOffset.generatedColumn - 1
+             : 0)
+        };
+        return ret;
+      }
+    }
+
+    return {
+      line: null,
+      column: null
+    };
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+IndexedSourceMapConsumer.prototype._parseMappings =
+  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    this.__generatedMappings = [];
+    this.__originalMappings = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+      var sectionMappings = section.consumer._generatedMappings;
+      for (var j = 0; j < sectionMappings.length; j++) {
+        var mapping = sectionMappings[j];
+
+        var source = section.consumer._sources.at(mapping.source);
+        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
+        this._sources.add(source);
+        source = this._sources.indexOf(source);
+
+        var name = null;
+        if (mapping.name) {
+          name = section.consumer._names.at(mapping.name);
+          this._names.add(name);
+          name = this._names.indexOf(name);
+        }
+
+        // The mappings coming from the consumer for the section have
+        // generated positions relative to the start of the section, so we
+        // need to offset them to be relative to the start of the concatenated
+        // generated file.
+        var adjustedMapping = {
+          source: source,
+          generatedLine: mapping.generatedLine +
+            (section.generatedOffset.generatedLine - 1),
+          generatedColumn: mapping.generatedColumn +
+            (section.generatedOffset.generatedLine === mapping.generatedLine
+            ? section.generatedOffset.generatedColumn - 1
+            : 0),
+          originalLine: mapping.originalLine,
+          originalColumn: mapping.originalColumn,
+          name: name
+        };
+
+        this.__generatedMappings.push(adjustedMapping);
+        if (typeof adjustedMapping.originalLine === 'number') {
+          this.__originalMappings.push(adjustedMapping);
+        }
+      }
+    }
+
+    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
+    quickSort(this.__originalMappings, util.compareByOriginalPositions);
+  };
+
+exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/source-map-generator.js b/node_modules/source-map-support/node_modules/source-map/lib/source-map-generator.js
new file mode 100644
index 00000000..508bcfbb
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/source-map-generator.js
@@ -0,0 +1,425 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/source-node.js b/node_modules/source-map-support/node_modules/source-map/lib/source-node.js
new file mode 100644
index 00000000..8bcdbe38
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/source-node.js
@@ -0,0 +1,413 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+var util = require('./util');
+
+// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
+// operating systems these days (capturing the result).
+var REGEX_NEWLINE = /(\r?\n)/;
+
+// Newline character code for charCodeAt() comparisons
+var NEWLINE_CODE = 10;
+
+// Private symbol for identifying `SourceNode`s when multiple versions of
+// the source-map library are loaded. This MUST NOT CHANGE across
+// versions!
+var isSourceNode = "$$$isSourceNode$$$";
+
+/**
+ * SourceNodes provide a way to abstract over interpolating/concatenating
+ * snippets of generated JavaScript source code while maintaining the line and
+ * column information associated with the original source code.
+ *
+ * @param aLine The original line number.
+ * @param aColumn The original column number.
+ * @param aSource The original source's filename.
+ * @param aChunks Optional. An array of strings which are snippets of
+ *        generated JS, or other SourceNodes.
+ * @param aName The original identifier.
+ */
+function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
+  this.children = [];
+  this.sourceContents = {};
+  this.line = aLine == null ? null : aLine;
+  this.column = aColumn == null ? null : aColumn;
+  this.source = aSource == null ? null : aSource;
+  this.name = aName == null ? null : aName;
+  this[isSourceNode] = true;
+  if (aChunks != null) this.add(aChunks);
+}
+
+/**
+ * Creates a SourceNode from generated code and a SourceMapConsumer.
+ *
+ * @param aGeneratedCode The generated code
+ * @param aSourceMapConsumer The SourceMap for the generated code
+ * @param aRelativePath Optional. The path that relative sources in the
+ *        SourceMapConsumer should be relative to.
+ */
+SourceNode.fromStringWithSourceMap =
+  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
+    // The SourceNode we want to fill with the generated code
+    // and the SourceMap
+    var node = new SourceNode();
+
+    // All even indices of this array are one line of the generated code,
+    // while all odd indices are the newlines between two adjacent lines
+    // (since `REGEX_NEWLINE` captures its match).
+    // Processed fragments are accessed by calling `shiftNextLine`.
+    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
+    var remainingLinesIndex = 0;
+    var shiftNextLine = function() {
+      var lineContents = getNextLine();
+      // The last line of a file might not have a newline.
+      var newLine = getNextLine() || "";
+      return lineContents + newLine;
+
+      function getNextLine() {
+        return remainingLinesIndex < remainingLines.length ?
+            remainingLines[remainingLinesIndex++] : undefined;
+      }
+    };
+
+    // We need to remember the position of "remainingLines"
+    var lastGeneratedLine = 1, lastGeneratedColumn = 0;
+
+    // The generate SourceNodes we need a code range.
+    // To extract it current and last mapping is used.
+    // Here we store the last mapping.
+    var lastMapping = null;
+
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      if (lastMapping !== null) {
+        // We add the code from "lastMapping" to "mapping":
+        // First check if there is a new line in between.
+        if (lastGeneratedLine < mapping.generatedLine) {
+          // Associate first line with "lastMapping"
+          addMappingWithCode(lastMapping, shiftNextLine());
+          lastGeneratedLine++;
+          lastGeneratedColumn = 0;
+          // The remaining code is added without mapping
+        } else {
+          // There is no new line in between.
+          // Associate the code between "lastGeneratedColumn" and
+          // "mapping.generatedColumn" with "lastMapping"
+          var nextLine = remainingLines[remainingLinesIndex] || '';
+          var code = nextLine.substr(0, mapping.generatedColumn -
+                                        lastGeneratedColumn);
+          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
+                                              lastGeneratedColumn);
+          lastGeneratedColumn = mapping.generatedColumn;
+          addMappingWithCode(lastMapping, code);
+          // No more remaining code, continue
+          lastMapping = mapping;
+          return;
+        }
+      }
+      // We add the generated code until the first mapping
+      // to the SourceNode without any mapping.
+      // Each line is added as separate string.
+      while (lastGeneratedLine < mapping.generatedLine) {
+        node.add(shiftNextLine());
+        lastGeneratedLine++;
+      }
+      if (lastGeneratedColumn < mapping.generatedColumn) {
+        var nextLine = remainingLines[remainingLinesIndex] || '';
+        node.add(nextLine.substr(0, mapping.generatedColumn));
+        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
+        lastGeneratedColumn = mapping.generatedColumn;
+      }
+      lastMapping = mapping;
+    }, this);
+    // We have processed all mappings.
+    if (remainingLinesIndex < remainingLines.length) {
+      if (lastMapping) {
+        // Associate the remaining code in the current line with "lastMapping"
+        addMappingWithCode(lastMapping, shiftNextLine());
+      }
+      // and add the remaining lines without any mapping
+      node.add(remainingLines.splice(remainingLinesIndex).join(""));
+    }
+
+    // Copy sourcesContent into SourceNode
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aRelativePath != null) {
+          sourceFile = util.join(aRelativePath, sourceFile);
+        }
+        node.setSourceContent(sourceFile, content);
+      }
+    });
+
+    return node;
+
+    function addMappingWithCode(mapping, code) {
+      if (mapping === null || mapping.source === undefined) {
+        node.add(code);
+      } else {
+        var source = aRelativePath
+          ? util.join(aRelativePath, mapping.source)
+          : mapping.source;
+        node.add(new SourceNode(mapping.originalLine,
+                                mapping.originalColumn,
+                                source,
+                                code,
+                                mapping.name));
+      }
+    }
+  };
+
+/**
+ * Add a chunk of generated JS to this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.add = function SourceNode_add(aChunk) {
+  if (Array.isArray(aChunk)) {
+    aChunk.forEach(function (chunk) {
+      this.add(chunk);
+    }, this);
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    if (aChunk) {
+      this.children.push(aChunk);
+    }
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Add a chunk of generated JS to the beginning of this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+  if (Array.isArray(aChunk)) {
+    for (var i = aChunk.length-1; i >= 0; i--) {
+      this.prepend(aChunk[i]);
+    }
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    this.children.unshift(aChunk);
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Walk over the tree of JS snippets in this node and its children. The
+ * walking function is called once for each snippet of JS and is passed that
+ * snippet and the its original associated source's line/column location.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+  var chunk;
+  for (var i = 0, len = this.children.length; i < len; i++) {
+    chunk = this.children[i];
+    if (chunk[isSourceNode]) {
+      chunk.walk(aFn);
+    }
+    else {
+      if (chunk !== '') {
+        aFn(chunk, { source: this.source,
+                     line: this.line,
+                     column: this.column,
+                     name: this.name });
+      }
+    }
+  }
+};
+
+/**
+ * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+ * each of `this.children`.
+ *
+ * @param aSep The separator.
+ */
+SourceNode.prototype.join = function SourceNode_join(aSep) {
+  var newChildren;
+  var i;
+  var len = this.children.length;
+  if (len > 0) {
+    newChildren = [];
+    for (i = 0; i < len-1; i++) {
+      newChildren.push(this.children[i]);
+      newChildren.push(aSep);
+    }
+    newChildren.push(this.children[i]);
+    this.children = newChildren;
+  }
+  return this;
+};
+
+/**
+ * Call String.prototype.replace on the very right-most source snippet. Useful
+ * for trimming whitespace from the end of a source node, etc.
+ *
+ * @param aPattern The pattern to replace.
+ * @param aReplacement The thing to replace the pattern with.
+ */
+SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+  var lastChild = this.children[this.children.length - 1];
+  if (lastChild[isSourceNode]) {
+    lastChild.replaceRight(aPattern, aReplacement);
+  }
+  else if (typeof lastChild === 'string') {
+    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+  }
+  else {
+    this.children.push(''.replace(aPattern, aReplacement));
+  }
+  return this;
+};
+
+/**
+ * Set the source content for a source file. This will be added to the SourceMapGenerator
+ * in the sourcesContent field.
+ *
+ * @param aSourceFile The filename of the source file
+ * @param aSourceContent The content of the source file
+ */
+SourceNode.prototype.setSourceContent =
+  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+  };
+
+/**
+ * Walk over the tree of SourceNodes. The walking function is called for each
+ * source file content and is passed the filename and source content.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walkSourceContents =
+  function SourceNode_walkSourceContents(aFn) {
+    for (var i = 0, len = this.children.length; i < len; i++) {
+      if (this.children[i][isSourceNode]) {
+        this.children[i].walkSourceContents(aFn);
+      }
+    }
+
+    var sources = Object.keys(this.sourceContents);
+    for (var i = 0, len = sources.length; i < len; i++) {
+      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
+    }
+  };
+
+/**
+ * Return the string representation of this source node. Walks over the tree
+ * and concatenates all the various snippets together to one string.
+ */
+SourceNode.prototype.toString = function SourceNode_toString() {
+  var str = "";
+  this.walk(function (chunk) {
+    str += chunk;
+  });
+  return str;
+};
+
+/**
+ * Returns the string representation of this source node along with a source
+ * map.
+ */
+SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+  var generated = {
+    code: "",
+    line: 1,
+    column: 0
+  };
+  var map = new SourceMapGenerator(aArgs);
+  var sourceMappingActive = false;
+  var lastOriginalSource = null;
+  var lastOriginalLine = null;
+  var lastOriginalColumn = null;
+  var lastOriginalName = null;
+  this.walk(function (chunk, original) {
+    generated.code += chunk;
+    if (original.source !== null
+        && original.line !== null
+        && original.column !== null) {
+      if(lastOriginalSource !== original.source
+         || lastOriginalLine !== original.line
+         || lastOriginalColumn !== original.column
+         || lastOriginalName !== original.name) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          },
+          name: original.name
+        });
+      }
+      lastOriginalSource = original.source;
+      lastOriginalLine = original.line;
+      lastOriginalColumn = original.column;
+      lastOriginalName = original.name;
+      sourceMappingActive = true;
+    } else if (sourceMappingActive) {
+      map.addMapping({
+        generated: {
+          line: generated.line,
+          column: generated.column
+        }
+      });
+      lastOriginalSource = null;
+      sourceMappingActive = false;
+    }
+    for (var idx = 0, length = chunk.length; idx < length; idx++) {
+      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
+        generated.line++;
+        generated.column = 0;
+        // Mappings end at eol
+        if (idx + 1 === length) {
+          lastOriginalSource = null;
+          sourceMappingActive = false;
+        } else if (sourceMappingActive) {
+          map.addMapping({
+            source: original.source,
+            original: {
+              line: original.line,
+              column: original.column
+            },
+            generated: {
+              line: generated.line,
+              column: generated.column
+            },
+            name: original.name
+          });
+        }
+      } else {
+        generated.column++;
+      }
+    }
+  });
+  this.walkSourceContents(function (sourceFile, sourceContent) {
+    map.setSourceContent(sourceFile, sourceContent);
+  });
+
+  return { code: generated.code, map: map };
+};
+
+exports.SourceNode = SourceNode;
diff --git a/node_modules/source-map-support/node_modules/source-map/lib/util.js b/node_modules/source-map-support/node_modules/source-map/lib/util.js
new file mode 100644
index 00000000..3ca92e56
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/lib/util.js
@@ -0,0 +1,488 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+
+  var parts = path.split(/\/+/);
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+}
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;
diff --git a/node_modules/source-map-support/node_modules/source-map/package.json b/node_modules/source-map-support/node_modules/source-map/package.json
new file mode 100644
index 00000000..24663417
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/package.json
@@ -0,0 +1,73 @@
+{
+  "name": "source-map",
+  "description": "Generates and consumes source maps",
+  "version": "0.6.1",
+  "homepage": "https://github.com/mozilla/source-map",
+  "author": "Nick Fitzgerald <nfitzgerald@mozilla.com>",
+  "contributors": [
+    "Tobias Koppers <tobias.koppers@googlemail.com>",
+    "Duncan Beevers <duncan@dweebd.com>",
+    "Stephen Crane <scrane@mozilla.com>",
+    "Ryan Seddon <seddon.ryan@gmail.com>",
+    "Miles Elam <miles.elam@deem.com>",
+    "Mihai Bazon <mihai.bazon@gmail.com>",
+    "Michael Ficarra <github.public.email@michael.ficarra.me>",
+    "Todd Wolfson <todd@twolfson.com>",
+    "Alexander Solovyov <alexander@solovyov.net>",
+    "Felix Gnass <fgnass@gmail.com>",
+    "Conrad Irwin <conrad.irwin@gmail.com>",
+    "usrbincc <usrbincc@yahoo.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Chase Douglas <chase@newrelic.com>",
+    "Evan Wallace <evan.exe@gmail.com>",
+    "Heather Arthur <fayearthur@gmail.com>",
+    "Hugh Kennedy <hughskennedy@gmail.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Simon Lydell <simon.lydell@gmail.com>",
+    "Jmeas Smith <jellyes2@gmail.com>",
+    "Michael Z Goddard <mzgoddard@gmail.com>",
+    "azu <azu@users.noreply.github.com>",
+    "John Gozde <john@gozde.ca>",
+    "Adam Kirkton <akirkton@truefitinnovation.com>",
+    "Chris Montgomery <christopher.montgomery@dowjones.com>",
+    "J. Ryan Stinnett <jryans@gmail.com>",
+    "Jack Herrington <jherrington@walmartlabs.com>",
+    "Chris Truter <jeffpalentine@gmail.com>",
+    "Daniel Espeset <daniel@danielespeset.com>",
+    "Jamie Wong <jamie.lf.wong@gmail.com>",
+    "Eddy Bruël <ejpbruel@mozilla.com>",
+    "Hawken Rives <hawkrives@gmail.com>",
+    "Gilad Peleg <giladp007@gmail.com>",
+    "djchie <djchie.dev@gmail.com>",
+    "Gary Ye <garysye@gmail.com>",
+    "Nicolas Lalevée <nicolas.lalevee@hibnet.org>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mozilla/source-map.git"
+  },
+  "main": "./source-map.js",
+  "files": [
+    "source-map.js",
+    "source-map.d.ts",
+    "lib/",
+    "dist/source-map.debug.js",
+    "dist/source-map.js",
+    "dist/source-map.min.js",
+    "dist/source-map.min.js.map"
+  ],
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "test": "npm run build && node test/run-tests.js",
+    "build": "webpack --color",
+    "toc": "doctoc --title '## Table of Contents' README.md && doctoc --title '## Table of Contents' CONTRIBUTING.md"
+  },
+  "devDependencies": {
+    "doctoc": "^0.15.0",
+    "webpack": "^1.12.0"
+  },
+  "typings": "source-map"
+}
diff --git a/node_modules/source-map-support/node_modules/source-map/source-map.d.ts b/node_modules/source-map-support/node_modules/source-map/source-map.d.ts
new file mode 100644
index 00000000..8f972b0c
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/source-map.d.ts
@@ -0,0 +1,98 @@
+export interface StartOfSourceMap {
+    file?: string;
+    sourceRoot?: string;
+}
+
+export interface RawSourceMap extends StartOfSourceMap {
+    version: string;
+    sources: string[];
+    names: string[];
+    sourcesContent?: string[];
+    mappings: string;
+}
+
+export interface Position {
+    line: number;
+    column: number;
+}
+
+export interface LineRange extends Position {
+    lastColumn: number;
+}
+
+export interface FindPosition extends Position {
+    // SourceMapConsumer.GREATEST_LOWER_BOUND or SourceMapConsumer.LEAST_UPPER_BOUND
+    bias?: number;
+}
+
+export interface SourceFindPosition extends FindPosition {
+    source: string;
+}
+
+export interface MappedPosition extends Position {
+    source: string;
+    name?: string;
+}
+
+export interface MappingItem {
+    source: string;
+    generatedLine: number;
+    generatedColumn: number;
+    originalLine: number;
+    originalColumn: number;
+    name: string;
+}
+
+export class SourceMapConsumer {
+    static GENERATED_ORDER: number;
+    static ORIGINAL_ORDER: number;
+
+    static GREATEST_LOWER_BOUND: number;
+    static LEAST_UPPER_BOUND: number;
+
+    constructor(rawSourceMap: RawSourceMap);
+    computeColumnSpans(): void;
+    originalPositionFor(generatedPosition: FindPosition): MappedPosition;
+    generatedPositionFor(originalPosition: SourceFindPosition): LineRange;
+    allGeneratedPositionsFor(originalPosition: MappedPosition): Position[];
+    hasContentsOfAllSources(): boolean;
+    sourceContentFor(source: string, returnNullOnMissing?: boolean): string;
+    eachMapping(callback: (mapping: MappingItem) => void, context?: any, order?: number): void;
+}
+
+export interface Mapping {
+    generated: Position;
+    original: Position;
+    source: string;
+    name?: string;
+}
+
+export class SourceMapGenerator {
+    constructor(startOfSourceMap?: StartOfSourceMap);
+    static fromSourceMap(sourceMapConsumer: SourceMapConsumer): SourceMapGenerator;
+    addMapping(mapping: Mapping): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    applySourceMap(sourceMapConsumer: SourceMapConsumer, sourceFile?: string, sourceMapPath?: string): void;
+    toString(): string;
+}
+
+export interface CodeWithSourceMap {
+    code: string;
+    map: SourceMapGenerator;
+}
+
+export class SourceNode {
+    constructor();
+    constructor(line: number, column: number, source: string);
+    constructor(line: number, column: number, source: string, chunk?: string, name?: string);
+    static fromStringWithSourceMap(code: string, sourceMapConsumer: SourceMapConsumer, relativePath?: string): SourceNode;
+    add(chunk: string): void;
+    prepend(chunk: string): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    walk(fn: (chunk: string, mapping: MappedPosition) => void): void;
+    walkSourceContents(fn: (file: string, content: string) => void): void;
+    join(sep: string): SourceNode;
+    replaceRight(pattern: string, replacement: string): SourceNode;
+    toString(): string;
+    toStringWithSourceMap(startOfSourceMap?: StartOfSourceMap): CodeWithSourceMap;
+}
diff --git a/node_modules/source-map-support/node_modules/source-map/source-map.js b/node_modules/source-map-support/node_modules/source-map/source-map.js
new file mode 100644
index 00000000..bc88fe82
--- /dev/null
+++ b/node_modules/source-map-support/node_modules/source-map/source-map.js
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./lib/source-node').SourceNode;
diff --git a/node_modules/source-map-support/package.json b/node_modules/source-map-support/package.json
new file mode 100644
index 00000000..48ee1fd6
--- /dev/null
+++ b/node_modules/source-map-support/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "source-map-support",
+  "description": "Fixes stack traces for files with source maps",
+  "version": "0.5.21",
+  "main": "./source-map-support.js",
+  "scripts": {
+    "build": "node build.js",
+    "serve-tests": "http-server -p 1336",
+    "prepublish": "npm run build",
+    "test": "mocha"
+  },
+  "dependencies": {
+    "buffer-from": "^1.0.0",
+    "source-map": "^0.6.0"
+  },
+  "devDependencies": {
+    "browserify": "^4.2.3",
+    "coffeescript": "^1.12.7",
+    "http-server": "^0.11.1",
+    "mocha": "^3.5.3",
+    "webpack": "^1.15.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/evanw/node-source-map-support"
+  },
+  "bugs": {
+    "url": "https://github.com/evanw/node-source-map-support/issues"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/source-map-support/register-hook-require.js b/node_modules/source-map-support/register-hook-require.js
new file mode 100644
index 00000000..68fda034
--- /dev/null
+++ b/node_modules/source-map-support/register-hook-require.js
@@ -0,0 +1 @@
+require('./').install({hookRequire: true});
diff --git a/node_modules/source-map-support/register.js b/node_modules/source-map-support/register.js
new file mode 100644
index 00000000..4f68e67d
--- /dev/null
+++ b/node_modules/source-map-support/register.js
@@ -0,0 +1 @@
+require('./').install();
diff --git a/node_modules/source-map-support/source-map-support.js b/node_modules/source-map-support/source-map-support.js
new file mode 100644
index 00000000..2942b5ea
--- /dev/null
+++ b/node_modules/source-map-support/source-map-support.js
@@ -0,0 +1,625 @@
+var SourceMapConsumer = require('source-map').SourceMapConsumer;
+var path = require('path');
+
+var fs;
+try {
+  fs = require('fs');
+  if (!fs.existsSync || !fs.readFileSync) {
+    // fs doesn't have all methods we need
+    fs = null;
+  }
+} catch (err) {
+  /* nop */
+}
+
+var bufferFrom = require('buffer-from');
+
+/**
+ * Requires a module which is protected against bundler minification.
+ *
+ * @param {NodeModule} mod
+ * @param {string} request
+ */
+function dynamicRequire(mod, request) {
+  return mod.require(request);
+}
+
+// Only install once if called multiple times
+var errorFormatterInstalled = false;
+var uncaughtShimInstalled = false;
+
+// If true, the caches are reset before a stack trace formatting operation
+var emptyCacheBetweenOperations = false;
+
+// Supports {browser, node, auto}
+var environment = "auto";
+
+// Maps a file path to a string containing the file contents
+var fileContentsCache = {};
+
+// Maps a file path to a source map for that file
+var sourceMapCache = {};
+
+// Regex for detecting source maps
+var reSourceMap = /^data:application\/json[^,]+base64,/;
+
+// Priority list of retrieve handlers
+var retrieveFileHandlers = [];
+var retrieveMapHandlers = [];
+
+function isInBrowser() {
+  if (environment === "browser")
+    return true;
+  if (environment === "node")
+    return false;
+  return ((typeof window !== 'undefined') && (typeof XMLHttpRequest === 'function') && !(window.require && window.module && window.process && window.process.type === "renderer"));
+}
+
+function hasGlobalProcessEventEmitter() {
+  return ((typeof process === 'object') && (process !== null) && (typeof process.on === 'function'));
+}
+
+function globalProcessVersion() {
+  if ((typeof process === 'object') && (process !== null)) {
+    return process.version;
+  } else {
+    return '';
+  }
+}
+
+function globalProcessStderr() {
+  if ((typeof process === 'object') && (process !== null)) {
+    return process.stderr;
+  }
+}
+
+function globalProcessExit(code) {
+  if ((typeof process === 'object') && (process !== null) && (typeof process.exit === 'function')) {
+    return process.exit(code);
+  }
+}
+
+function handlerExec(list) {
+  return function(arg) {
+    for (var i = 0; i < list.length; i++) {
+      var ret = list[i](arg);
+      if (ret) {
+        return ret;
+      }
+    }
+    return null;
+  };
+}
+
+var retrieveFile = handlerExec(retrieveFileHandlers);
+
+retrieveFileHandlers.push(function(path) {
+  // Trim the path to make sure there is no extra whitespace.
+  path = path.trim();
+  if (/^file:/.test(path)) {
+    // existsSync/readFileSync can't handle file protocol, but once stripped, it works
+    path = path.replace(/file:\/\/\/(\w:)?/, function(protocol, drive) {
+      return drive ?
+        '' : // file:///C:/dir/file -> C:/dir/file
+        '/'; // file:///root-dir/file -> /root-dir/file
+    });
+  }
+  if (path in fileContentsCache) {
+    return fileContentsCache[path];
+  }
+
+  var contents = '';
+  try {
+    if (!fs) {
+      // Use SJAX if we are in the browser
+      var xhr = new XMLHttpRequest();
+      xhr.open('GET', path, /** async */ false);
+      xhr.send(null);
+      if (xhr.readyState === 4 && xhr.status === 200) {
+        contents = xhr.responseText;
+      }
+    } else if (fs.existsSync(path)) {
+      // Otherwise, use the filesystem
+      contents = fs.readFileSync(path, 'utf8');
+    }
+  } catch (er) {
+    /* ignore any errors */
+  }
+
+  return fileContentsCache[path] = contents;
+});
+
+// Support URLs relative to a directory, but be careful about a protocol prefix
+// in case we are in the browser (i.e. directories may start with "http://" or "file:///")
+function supportRelativeURL(file, url) {
+  if (!file) return url;
+  var dir = path.dirname(file);
+  var match = /^\w+:\/\/[^\/]*/.exec(dir);
+  var protocol = match ? match[0] : '';
+  var startPath = dir.slice(protocol.length);
+  if (protocol && /^\/\w\:/.test(startPath)) {
+    // handle file:///C:/ paths
+    protocol += '/';
+    return protocol + path.resolve(dir.slice(protocol.length), url).replace(/\\/g, '/');
+  }
+  return protocol + path.resolve(dir.slice(protocol.length), url);
+}
+
+function retrieveSourceMapURL(source) {
+  var fileData;
+
+  if (isInBrowser()) {
+     try {
+       var xhr = new XMLHttpRequest();
+       xhr.open('GET', source, false);
+       xhr.send(null);
+       fileData = xhr.readyState === 4 ? xhr.responseText : null;
+
+       // Support providing a sourceMappingURL via the SourceMap header
+       var sourceMapHeader = xhr.getResponseHeader("SourceMap") ||
+                             xhr.getResponseHeader("X-SourceMap");
+       if (sourceMapHeader) {
+         return sourceMapHeader;
+       }
+     } catch (e) {
+     }
+  }
+
+  // Get the URL of the source map
+  fileData = retrieveFile(source);
+  var re = /(?:\/\/[@#][\s]*sourceMappingURL=([^\s'"]+)[\s]*$)|(?:\/\*[@#][\s]*sourceMappingURL=([^\s*'"]+)[\s]*(?:\*\/)[\s]*$)/mg;
+  // Keep executing the search to find the *last* sourceMappingURL to avoid
+  // picking up sourceMappingURLs from comments, strings, etc.
+  var lastMatch, match;
+  while (match = re.exec(fileData)) lastMatch = match;
+  if (!lastMatch) return null;
+  return lastMatch[1];
+};
+
+// Can be overridden by the retrieveSourceMap option to install. Takes a
+// generated source filename; returns a {map, optional url} object, or null if
+// there is no source map.  The map field may be either a string or the parsed
+// JSON object (ie, it must be a valid argument to the SourceMapConsumer
+// constructor).
+var retrieveSourceMap = handlerExec(retrieveMapHandlers);
+retrieveMapHandlers.push(function(source) {
+  var sourceMappingURL = retrieveSourceMapURL(source);
+  if (!sourceMappingURL) return null;
+
+  // Read the contents of the source map
+  var sourceMapData;
+  if (reSourceMap.test(sourceMappingURL)) {
+    // Support source map URL as a data url
+    var rawData = sourceMappingURL.slice(sourceMappingURL.indexOf(',') + 1);
+    sourceMapData = bufferFrom(rawData, "base64").toString();
+    sourceMappingURL = source;
+  } else {
+    // Support source map URLs relative to the source URL
+    sourceMappingURL = supportRelativeURL(source, sourceMappingURL);
+    sourceMapData = retrieveFile(sourceMappingURL);
+  }
+
+  if (!sourceMapData) {
+    return null;
+  }
+
+  return {
+    url: sourceMappingURL,
+    map: sourceMapData
+  };
+});
+
+function mapSourcePosition(position) {
+  var sourceMap = sourceMapCache[position.source];
+  if (!sourceMap) {
+    // Call the (overrideable) retrieveSourceMap function to get the source map.
+    var urlAndMap = retrieveSourceMap(position.source);
+    if (urlAndMap) {
+      sourceMap = sourceMapCache[position.source] = {
+        url: urlAndMap.url,
+        map: new SourceMapConsumer(urlAndMap.map)
+      };
+
+      // Load all sources stored inline with the source map into the file cache
+      // to pretend like they are already loaded. They may not exist on disk.
+      if (sourceMap.map.sourcesContent) {
+        sourceMap.map.sources.forEach(function(source, i) {
+          var contents = sourceMap.map.sourcesContent[i];
+          if (contents) {
+            var url = supportRelativeURL(sourceMap.url, source);
+            fileContentsCache[url] = contents;
+          }
+        });
+      }
+    } else {
+      sourceMap = sourceMapCache[position.source] = {
+        url: null,
+        map: null
+      };
+    }
+  }
+
+  // Resolve the source URL relative to the URL of the source map
+  if (sourceMap && sourceMap.map && typeof sourceMap.map.originalPositionFor === 'function') {
+    var originalPosition = sourceMap.map.originalPositionFor(position);
+
+    // Only return the original position if a matching line was found. If no
+    // matching line is found then we return position instead, which will cause
+    // the stack trace to print the path and line for the compiled file. It is
+    // better to give a precise location in the compiled file than a vague
+    // location in the original file.
+    if (originalPosition.source !== null) {
+      originalPosition.source = supportRelativeURL(
+        sourceMap.url, originalPosition.source);
+      return originalPosition;
+    }
+  }
+
+  return position;
+}
+
+// Parses code generated by FormatEvalOrigin(), a function inside V8:
+// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
+function mapEvalOrigin(origin) {
+  // Most eval() calls are in this format
+  var match = /^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(origin);
+  if (match) {
+    var position = mapSourcePosition({
+      source: match[2],
+      line: +match[3],
+      column: match[4] - 1
+    });
+    return 'eval at ' + match[1] + ' (' + position.source + ':' +
+      position.line + ':' + (position.column + 1) + ')';
+  }
+
+  // Parse nested eval() calls using recursion
+  match = /^eval at ([^(]+) \((.+)\)$/.exec(origin);
+  if (match) {
+    return 'eval at ' + match[1] + ' (' + mapEvalOrigin(match[2]) + ')';
+  }
+
+  // Make sure we still return useful information if we didn't find anything
+  return origin;
+}
+
+// This is copied almost verbatim from the V8 source code at
+// https://code.google.com/p/v8/source/browse/trunk/src/messages.js. The
+// implementation of wrapCallSite() used to just forward to the actual source
+// code of CallSite.prototype.toString but unfortunately a new release of V8
+// did something to the prototype chain and broke the shim. The only fix I
+// could find was copy/paste.
+function CallSiteToString() {
+  var fileName;
+  var fileLocation = "";
+  if (this.isNative()) {
+    fileLocation = "native";
+  } else {
+    fileName = this.getScriptNameOrSourceURL();
+    if (!fileName && this.isEval()) {
+      fileLocation = this.getEvalOrigin();
+      fileLocation += ", ";  // Expecting source position to follow.
+    }
+
+    if (fileName) {
+      fileLocation += fileName;
+    } else {
+      // Source code does not originate from a file and is not native, but we
+      // can still get the source position inside the source string, e.g. in
+      // an eval string.
+      fileLocation += "<anonymous>";
+    }
+    var lineNumber = this.getLineNumber();
+    if (lineNumber != null) {
+      fileLocation += ":" + lineNumber;
+      var columnNumber = this.getColumnNumber();
+      if (columnNumber) {
+        fileLocation += ":" + columnNumber;
+      }
+    }
+  }
+
+  var line = "";
+  var functionName = this.getFunctionName();
+  var addSuffix = true;
+  var isConstructor = this.isConstructor();
+  var isMethodCall = !(this.isToplevel() || isConstructor);
+  if (isMethodCall) {
+    var typeName = this.getTypeName();
+    // Fixes shim to be backward compatable with Node v0 to v4
+    if (typeName === "[object Object]") {
+      typeName = "null";
+    }
+    var methodName = this.getMethodName();
+    if (functionName) {
+      if (typeName && functionName.indexOf(typeName) != 0) {
+        line += typeName + ".";
+      }
+      line += functionName;
+      if (methodName && functionName.indexOf("." + methodName) != functionName.length - methodName.length - 1) {
+        line += " [as " + methodName + "]";
+      }
+    } else {
+      line += typeName + "." + (methodName || "<anonymous>");
+    }
+  } else if (isConstructor) {
+    line += "new " + (functionName || "<anonymous>");
+  } else if (functionName) {
+    line += functionName;
+  } else {
+    line += fileLocation;
+    addSuffix = false;
+  }
+  if (addSuffix) {
+    line += " (" + fileLocation + ")";
+  }
+  return line;
+}
+
+function cloneCallSite(frame) {
+  var object = {};
+  Object.getOwnPropertyNames(Object.getPrototypeOf(frame)).forEach(function(name) {
+    object[name] = /^(?:is|get)/.test(name) ? function() { return frame[name].call(frame); } : frame[name];
+  });
+  object.toString = CallSiteToString;
+  return object;
+}
+
+function wrapCallSite(frame, state) {
+  // provides interface backward compatibility
+  if (state === undefined) {
+    state = { nextPosition: null, curPosition: null }
+  }
+  if(frame.isNative()) {
+    state.curPosition = null;
+    return frame;
+  }
+
+  // Most call sites will return the source file from getFileName(), but code
+  // passed to eval() ending in "//# sourceURL=..." will return the source file
+  // from getScriptNameOrSourceURL() instead
+  var source = frame.getFileName() || frame.getScriptNameOrSourceURL();
+  if (source) {
+    var line = frame.getLineNumber();
+    var column = frame.getColumnNumber() - 1;
+
+    // Fix position in Node where some (internal) code is prepended.
+    // See https://github.com/evanw/node-source-map-support/issues/36
+    // Header removed in node at ^10.16 || >=11.11.0
+    // v11 is not an LTS candidate, we can just test the one version with it.
+    // Test node versions for: 10.16-19, 10.20+, 12-19, 20-99, 100+, or 11.11
+    var noHeader = /^v(10\.1[6-9]|10\.[2-9][0-9]|10\.[0-9]{3,}|1[2-9]\d*|[2-9]\d|\d{3,}|11\.11)/;
+    var headerLength = noHeader.test(globalProcessVersion()) ? 0 : 62;
+    if (line === 1 && column > headerLength && !isInBrowser() && !frame.isEval()) {
+      column -= headerLength;
+    }
+
+    var position = mapSourcePosition({
+      source: source,
+      line: line,
+      column: column
+    });
+    state.curPosition = position;
+    frame = cloneCallSite(frame);
+    var originalFunctionName = frame.getFunctionName;
+    frame.getFunctionName = function() {
+      if (state.nextPosition == null) {
+        return originalFunctionName();
+      }
+      return state.nextPosition.name || originalFunctionName();
+    };
+    frame.getFileName = function() { return position.source; };
+    frame.getLineNumber = function() { return position.line; };
+    frame.getColumnNumber = function() { return position.column + 1; };
+    frame.getScriptNameOrSourceURL = function() { return position.source; };
+    return frame;
+  }
+
+  // Code called using eval() needs special handling
+  var origin = frame.isEval() && frame.getEvalOrigin();
+  if (origin) {
+    origin = mapEvalOrigin(origin);
+    frame = cloneCallSite(frame);
+    frame.getEvalOrigin = function() { return origin; };
+    return frame;
+  }
+
+  // If we get here then we were unable to change the source position
+  return frame;
+}
+
+// This function is part of the V8 stack trace API, for more info see:
+// https://v8.dev/docs/stack-trace-api
+function prepareStackTrace(error, stack) {
+  if (emptyCacheBetweenOperations) {
+    fileContentsCache = {};
+    sourceMapCache = {};
+  }
+
+  var name = error.name || 'Error';
+  var message = error.message || '';
+  var errorString = name + ": " + message;
+
+  var state = { nextPosition: null, curPosition: null };
+  var processedStack = [];
+  for (var i = stack.length - 1; i >= 0; i--) {
+    processedStack.push('\n    at ' + wrapCallSite(stack[i], state));
+    state.nextPosition = state.curPosition;
+  }
+  state.curPosition = state.nextPosition = null;
+  return errorString + processedStack.reverse().join('');
+}
+
+// Generate position and snippet of original source with pointer
+function getErrorSource(error) {
+  var match = /\n    at [^(]+ \((.*):(\d+):(\d+)\)/.exec(error.stack);
+  if (match) {
+    var source = match[1];
+    var line = +match[2];
+    var column = +match[3];
+
+    // Support the inline sourceContents inside the source map
+    var contents = fileContentsCache[source];
+
+    // Support files on disk
+    if (!contents && fs && fs.existsSync(source)) {
+      try {
+        contents = fs.readFileSync(source, 'utf8');
+      } catch (er) {
+        contents = '';
+      }
+    }
+
+    // Format the line from the original source code like node does
+    if (contents) {
+      var code = contents.split(/(?:\r\n|\r|\n)/)[line - 1];
+      if (code) {
+        return source + ':' + line + '\n' + code + '\n' +
+          new Array(column).join(' ') + '^';
+      }
+    }
+  }
+  return null;
+}
+
+function printErrorAndExit (error) {
+  var source = getErrorSource(error);
+
+  // Ensure error is printed synchronously and not truncated
+  var stderr = globalProcessStderr();
+  if (stderr && stderr._handle && stderr._handle.setBlocking) {
+    stderr._handle.setBlocking(true);
+  }
+
+  if (source) {
+    console.error();
+    console.error(source);
+  }
+
+  console.error(error.stack);
+  globalProcessExit(1);
+}
+
+function shimEmitUncaughtException () {
+  var origEmit = process.emit;
+
+  process.emit = function (type) {
+    if (type === 'uncaughtException') {
+      var hasStack = (arguments[1] && arguments[1].stack);
+      var hasListeners = (this.listeners(type).length > 0);
+
+      if (hasStack && !hasListeners) {
+        return printErrorAndExit(arguments[1]);
+      }
+    }
+
+    return origEmit.apply(this, arguments);
+  };
+}
+
+var originalRetrieveFileHandlers = retrieveFileHandlers.slice(0);
+var originalRetrieveMapHandlers = retrieveMapHandlers.slice(0);
+
+exports.wrapCallSite = wrapCallSite;
+exports.getErrorSource = getErrorSource;
+exports.mapSourcePosition = mapSourcePosition;
+exports.retrieveSourceMap = retrieveSourceMap;
+
+exports.install = function(options) {
+  options = options || {};
+
+  if (options.environment) {
+    environment = options.environment;
+    if (["node", "browser", "auto"].indexOf(environment) === -1) {
+      throw new Error("environment " + environment + " was unknown. Available options are {auto, browser, node}")
+    }
+  }
+
+  // Allow sources to be found by methods other than reading the files
+  // directly from disk.
+  if (options.retrieveFile) {
+    if (options.overrideRetrieveFile) {
+      retrieveFileHandlers.length = 0;
+    }
+
+    retrieveFileHandlers.unshift(options.retrieveFile);
+  }
+
+  // Allow source maps to be found by methods other than reading the files
+  // directly from disk.
+  if (options.retrieveSourceMap) {
+    if (options.overrideRetrieveSourceMap) {
+      retrieveMapHandlers.length = 0;
+    }
+
+    retrieveMapHandlers.unshift(options.retrieveSourceMap);
+  }
+
+  // Support runtime transpilers that include inline source maps
+  if (options.hookRequire && !isInBrowser()) {
+    // Use dynamicRequire to avoid including in browser bundles
+    var Module = dynamicRequire(module, 'module');
+    var $compile = Module.prototype._compile;
+
+    if (!$compile.__sourceMapSupport) {
+      Module.prototype._compile = function(content, filename) {
+        fileContentsCache[filename] = content;
+        sourceMapCache[filename] = undefined;
+        return $compile.call(this, content, filename);
+      };
+
+      Module.prototype._compile.__sourceMapSupport = true;
+    }
+  }
+
+  // Configure options
+  if (!emptyCacheBetweenOperations) {
+    emptyCacheBetweenOperations = 'emptyCacheBetweenOperations' in options ?
+      options.emptyCacheBetweenOperations : false;
+  }
+
+  // Install the error reformatter
+  if (!errorFormatterInstalled) {
+    errorFormatterInstalled = true;
+    Error.prepareStackTrace = prepareStackTrace;
+  }
+
+  if (!uncaughtShimInstalled) {
+    var installHandler = 'handleUncaughtExceptions' in options ?
+      options.handleUncaughtExceptions : true;
+
+    // Do not override 'uncaughtException' with our own handler in Node.js
+    // Worker threads. Workers pass the error to the main thread as an event,
+    // rather than printing something to stderr and exiting.
+    try {
+      // We need to use `dynamicRequire` because `require` on it's own will be optimized by WebPack/Browserify.
+      var worker_threads = dynamicRequire(module, 'worker_threads');
+      if (worker_threads.isMainThread === false) {
+        installHandler = false;
+      }
+    } catch(e) {}
+
+    // Provide the option to not install the uncaught exception handler. This is
+    // to support other uncaught exception handlers (in test frameworks, for
+    // example). If this handler is not installed and there are no other uncaught
+    // exception handlers, uncaught exceptions will be caught by node's built-in
+    // exception handler and the process will still be terminated. However, the
+    // generated JavaScript code will be shown above the stack trace instead of
+    // the original source code.
+    if (installHandler && hasGlobalProcessEventEmitter()) {
+      uncaughtShimInstalled = true;
+      shimEmitUncaughtException();
+    }
+  }
+};
+
+exports.resetRetrieveHandlers = function() {
+  retrieveFileHandlers.length = 0;
+  retrieveMapHandlers.length = 0;
+
+  retrieveFileHandlers = originalRetrieveFileHandlers.slice(0);
+  retrieveMapHandlers = originalRetrieveMapHandlers.slice(0);
+
+  retrieveSourceMap = handlerExec(retrieveMapHandlers);
+  retrieveFile = handlerExec(retrieveFileHandlers);
+}
diff --git a/node_modules/source-map-url/LICENSE b/node_modules/source-map-url/LICENSE
new file mode 100644
index 00000000..10052a95
--- /dev/null
+++ b/node_modules/source-map-url/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Simon Lydell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/source-map-url/changelog.md b/node_modules/source-map-url/changelog.md
new file mode 100644
index 00000000..61f1c7bf
--- /dev/null
+++ b/node_modules/source-map-url/changelog.md
@@ -0,0 +1,57 @@
+### Version 0.4.1 (2021-02-01) ###
+
+- Improved: The package is now about 50% smaller, by excluding unnecessary
+  files. Thanks to Piotr Kuczynski (@pkuczynski)!
+
+### Version 0.4.0 (2015-11-12) ###
+
+- Changed: sourceMappingURL comments used to be matched only when placed at
+  the end of the script. However, since several commonly used JavaScript
+  libraries do not follow this convention and all popular web browsers accept
+  non-trailing comments, this has been revised.
+
+  So now non-trailing SourceMappingURL comments are matched as well.
+
+
+### Version 0.3.0 (2014-08-16) ###
+
+- Changed: sourceMappingURL comments used to be matched only if they appeared
+  on their own line. However, the spec only says:
+
+  > The generated code may include a line at the end of the source, with the following form:
+  >
+  >     //# sourceMappingURL=<url>
+
+  So now they are matched also when they appear on the same line as code.
+
+- Removed: The `.set()` method. I couldn’t decide how it should work
+  considering the above change. Moreover, it was unnecessarily complex (and
+  would have gotten worse) for very little gain. It is much easier to run
+  `.remove()` if needed, and then simply `code += "\n//# sourceMappingURL=" +
+  url` (using the appropriate comment syntax and newline). KISS.
+
+- Changed: The `.insertBefore()` method now always inserts the string exactly
+  before the sourceMappingURL comment; not before the newline before the
+  comment (if any). Moreover, it does not ensure that the comment will be on a
+  new line anymore. This is up to the caller. KISS.
+
+- Changed: The `.remove()` method no longer removes the newline before the
+  sourceMappingURL (if any).
+
+- Changed: Renamed `.get()` to `.getFrom()`.
+- Changed: Renamed `.remove()` to `.removeFrom()`.
+
+- Added: The `.existsIn()` method.
+
+
+### Version 0.2.0 (2014-02-23) ###
+
+- Changed: A space is no longer inserted before the closing comment syntax. If
+  such a space is desired, it needs to be put in the closing comment syntax
+  itself (such as `["/*", " */"]` instead of `["/*", "*/"]`). (Backwards
+  incompatible change.)
+
+
+### Version 0.1.0 (2014-02-22) ###
+
+- Initial release.
diff --git a/node_modules/source-map-url/package.json b/node_modules/source-map-url/package.json
new file mode 100644
index 00000000..6fd96d30
--- /dev/null
+++ b/node_modules/source-map-url/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "source-map-url",
+  "version": "0.4.1",
+  "author": "Simon Lydell",
+  "license": "MIT",
+  "description": "Tools for working with sourceMappingURL comments.",
+  "keywords": [
+    "source map",
+    "sourceMappingURL",
+    "comment",
+    "annotation"
+  ],
+  "main": "source-map-url.js",
+  "repository": "lydell/source-map-url",
+  "scripts": {
+    "lint": "jshint source-map-url.js test/ ",
+    "unit": "mocha",
+    "test": "npm run lint && npm run unit"
+  },
+  "devDependencies": {
+    "mocha": "~1.17.1",
+    "expect.js": "~0.3.1",
+    "jshint": "~2.4.3"
+  },
+  "testling": {
+    "harness": "mocha",
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "chrome/latest",
+      "firefox/latest",
+      "opera/12",
+      "opera/latest",
+      "safari/5",
+      "iphone/6",
+      "android-browser/4"
+    ]
+  }
+}
diff --git a/node_modules/source-map-url/readme.md b/node_modules/source-map-url/readme.md
new file mode 100644
index 00000000..216de5e5
--- /dev/null
+++ b/node_modules/source-map-url/readme.md
@@ -0,0 +1,97 @@
+Overview [![Build Status](https://travis-ci.org/lydell/source-map-url.png?branch=master)](https://travis-ci.org/lydell/source-map-url)
+========
+
+[![browser support](https://ci.testling.com/lydell/source-map-url.png)](https://ci.testling.com/lydell/source-map-url)
+
+Tools for working with sourceMappingURL comments.
+
+```js
+var sourceMappingURL = require("source-map-url")
+
+var code = [
+  "!function(){...}();",
+  "/*# sourceMappingURL=foo.js.map */"
+].join("\n")
+
+sourceMappingURL.existsIn(code)
+// true
+
+sourceMappingURL.getFrom(code)
+// foo.js.map
+
+code = sourceMappingURL.insertBefore(code, "// License: MIT\n")
+// !function(){...}();
+// // License: MIT
+// /*# sourceMappingURL=foo.js.map */
+
+code = sourceMappingURL.removeFrom(code)
+// !function(){...}();
+// // License: MIT
+
+sourceMappingURL.existsIn(code)
+// false
+
+sourceMappingURL.getFrom(code)
+// null
+
+code += "//# sourceMappingURL=/other/file.js.map"
+// !function(){...}();
+// // License: MIT
+// //# sourceMappingURL=/other/file.js.map
+```
+
+
+Installation
+============
+
+- `npm install source-map-url`
+- `bower install source-map-url`
+- `component install lydell/source-map-url`
+
+Works with CommonJS, AMD and browser globals, through UMD.
+
+
+Usage
+=====
+
+### `sourceMappingURL.getFrom(code)` ###
+
+Returns the url of the sourceMappingURL comment in `code`. Returns `null` if
+there is no such comment.
+
+### `sourceMappingURL.existsIn(code)` ###
+
+Returns `true` if there is a sourceMappingURL comment in `code`, or `false`
+otherwise.
+
+### `sourceMappingURL.removeFrom(code)` ###
+
+Removes the sourceMappingURL comment in `code`. Does nothing if there is no
+such comment. Returns the updated `code`.
+
+### `sourceMappingURL.insertBefore(code, string)` ###
+
+Inserts `string` before the sourceMappingURL comment in `code`. Appends
+`string` to `code` if there is no such comment.
+
+Lets you append something to a file without worrying about burying the
+sourceMappingURL comment (by keeping it at the end of the file).
+
+### `sourceMappingURL.regex` ###
+
+The regex that is used to match sourceMappingURL comments. It matches both `//`
+and `/**/` comments, thus supporting both JavaScript and CSS.
+
+
+Tests
+=====
+
+Start by running `npm test`, which lints the code and runs the test suite in Node.js.
+
+To run the tests in a browser, run `testling` (`npm install -g testling`) or `testling -u`.
+
+
+License
+=======
+
+[The X11 (“MIT”) License](LICENSE).
diff --git a/node_modules/source-map-url/source-map-url.js b/node_modules/source-map-url/source-map-url.js
new file mode 100644
index 00000000..1724cb7c
--- /dev/null
+++ b/node_modules/source-map-url/source-map-url.js
@@ -0,0 +1,57 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+void (function(root, factory) {
+  if (typeof define === "function" && define.amd) {
+    define(factory)
+  } else if (typeof exports === "object") {
+    module.exports = factory()
+  } else {
+    root.sourceMappingURL = factory()
+  }
+}(this, function() {
+
+  var innerRegex = /[#@] sourceMappingURL=([^\s'"]*)/
+
+  var regex = RegExp(
+    "(?:" +
+      "/\\*" +
+      "(?:\\s*\r?\n(?://)?)?" +
+      "(?:" + innerRegex.source + ")" +
+      "\\s*" +
+      "\\*/" +
+      "|" +
+      "//(?:" + innerRegex.source + ")" +
+    ")" +
+    "\\s*"
+  )
+
+  return {
+
+    regex: regex,
+    _innerRegex: innerRegex,
+
+    getFrom: function(code) {
+      var match = code.match(regex)
+      return (match ? match[1] || match[2] || "" : null)
+    },
+
+    existsIn: function(code) {
+      return regex.test(code)
+    },
+
+    removeFrom: function(code) {
+      return code.replace(regex, "")
+    },
+
+    insertBefore: function(code, string) {
+      var match = code.match(regex)
+      if (match) {
+        return code.slice(0, match.index) + string + code.slice(match.index)
+      } else {
+        return code + string
+      }
+    }
+  }
+
+}));
diff --git a/node_modules/source-map/CHANGELOG.md b/node_modules/source-map/CHANGELOG.md
new file mode 100644
index 00000000..3a8c066c
--- /dev/null
+++ b/node_modules/source-map/CHANGELOG.md
@@ -0,0 +1,301 @@
+# Change Log
+
+## 0.5.6
+
+* Fix for regression when people were using numbers as names in source maps. See
+  #236.
+
+## 0.5.5
+
+* Fix "regression" of unsupported, implementation behavior that half the world
+  happens to have come to depend on. See #235.
+
+* Fix regression involving function hoisting in SpiderMonkey. See #233.
+
+## 0.5.4
+
+* Large performance improvements to source-map serialization. See #228 and #229.
+
+## 0.5.3
+
+* Do not include unnecessary distribution files. See
+  commit ef7006f8d1647e0a83fdc60f04f5a7ca54886f86.
+
+## 0.5.2
+
+* Include browser distributions of the library in package.json's `files`. See
+  issue #212.
+
+## 0.5.1
+
+* Fix latent bugs in IndexedSourceMapConsumer.prototype._parseMappings. See
+  ff05274becc9e6e1295ed60f3ea090d31d843379.
+
+## 0.5.0
+
+* Node 0.8 is no longer supported.
+
+* Use webpack instead of dryice for bundling.
+
+* Big speedups serializing source maps. See pull request #203.
+
+* Fix a bug with `SourceMapConsumer.prototype.sourceContentFor` and sources that
+  explicitly start with the source root. See issue #199.
+
+## 0.4.4
+
+* Fix an issue where using a `SourceMapGenerator` after having created a
+  `SourceMapConsumer` from it via `SourceMapConsumer.fromSourceMap` failed. See
+  issue #191.
+
+* Fix an issue with where `SourceMapGenerator` would mistakenly consider
+  different mappings as duplicates of each other and avoid generating them. See
+  issue #192.
+
+## 0.4.3
+
+* A very large number of performance improvements, particularly when parsing
+  source maps. Collectively about 75% of time shaved off of the source map
+  parsing benchmark!
+
+* Fix a bug in `SourceMapConsumer.prototype.allGeneratedPositionsFor` and fuzzy
+  searching in the presence of a column option. See issue #177.
+
+* Fix a bug with joining a source and its source root when the source is above
+  the root. See issue #182.
+
+* Add the `SourceMapConsumer.prototype.hasContentsOfAllSources` method to
+  determine when all sources' contents are inlined into the source map. See
+  issue #190.
+
+## 0.4.2
+
+* Add an `.npmignore` file so that the benchmarks aren't pulled down by
+  dependent projects. Issue #169.
+
+* Add an optional `column` argument to
+  `SourceMapConsumer.prototype.allGeneratedPositionsFor` and better handle lines
+  with no mappings. Issues #172 and #173.
+
+## 0.4.1
+
+* Fix accidentally defining a global variable. #170.
+
+## 0.4.0
+
+* The default direction for fuzzy searching was changed back to its original
+  direction. See #164.
+
+* There is now a `bias` option you can supply to `SourceMapConsumer` to control
+  the fuzzy searching direction. See #167.
+
+* About an 8% speed up in parsing source maps. See #159.
+
+* Added a benchmark for parsing and generating source maps.
+
+## 0.3.0
+
+* Change the default direction that searching for positions fuzzes when there is
+  not an exact match. See #154.
+
+* Support for environments using json2.js for JSON serialization. See #156.
+
+## 0.2.0
+
+* Support for consuming "indexed" source maps which do not have any remote
+  sections. See pull request #127. This introduces a minor backwards
+  incompatibility if you are monkey patching `SourceMapConsumer.prototype`
+  methods.
+
+## 0.1.43
+
+* Performance improvements for `SourceMapGenerator` and `SourceNode`. See issue
+  #148 for some discussion and issues #150, #151, and #152 for implementations.
+
+## 0.1.42
+
+* Fix an issue where `SourceNode`s from different versions of the source-map
+  library couldn't be used in conjunction with each other. See issue #142.
+
+## 0.1.41
+
+* Fix a bug with getting the source content of relative sources with a "./"
+  prefix. See issue #145 and [Bug 1090768](bugzil.la/1090768).
+
+* Add the `SourceMapConsumer.prototype.computeColumnSpans` method to compute the
+  column span of each mapping.
+
+* Add the `SourceMapConsumer.prototype.allGeneratedPositionsFor` method to find
+  all generated positions associated with a given original source and line.
+
+## 0.1.40
+
+* Performance improvements for parsing source maps in SourceMapConsumer.
+
+## 0.1.39
+
+* Fix a bug where setting a source's contents to null before any source content
+  had been set before threw a TypeError. See issue #131.
+
+## 0.1.38
+
+* Fix a bug where finding relative paths from an empty path were creating
+  absolute paths. See issue #129.
+
+## 0.1.37
+
+* Fix a bug where if the source root was an empty string, relative source paths
+  would turn into absolute source paths. Issue #124.
+
+## 0.1.36
+
+* Allow the `names` mapping property to be an empty string. Issue #121.
+
+## 0.1.35
+
+* A third optional parameter was added to `SourceNode.fromStringWithSourceMap`
+  to specify a path that relative sources in the second parameter should be
+  relative to. Issue #105.
+
+* If no file property is given to a `SourceMapGenerator`, then the resulting
+  source map will no longer have a `null` file property. The property will
+  simply not exist. Issue #104.
+
+* Fixed a bug where consecutive newlines were ignored in `SourceNode`s.
+  Issue #116.
+
+## 0.1.34
+
+* Make `SourceNode` work with windows style ("\r\n") newlines. Issue #103.
+
+* Fix bug involving source contents and the
+  `SourceMapGenerator.prototype.applySourceMap`. Issue #100.
+
+## 0.1.33
+
+* Fix some edge cases surrounding path joining and URL resolution.
+
+* Add a third parameter for relative path to
+  `SourceMapGenerator.prototype.applySourceMap`.
+
+* Fix issues with mappings and EOLs.
+
+## 0.1.32
+
+* Fixed a bug where SourceMapConsumer couldn't handle negative relative columns
+  (issue 92).
+
+* Fixed test runner to actually report number of failed tests as its process
+  exit code.
+
+* Fixed a typo when reporting bad mappings (issue 87).
+
+## 0.1.31
+
+* Delay parsing the mappings in SourceMapConsumer until queried for a source
+  location.
+
+* Support Sass source maps (which at the time of writing deviate from the spec
+  in small ways) in SourceMapConsumer.
+
+## 0.1.30
+
+* Do not join source root with a source, when the source is a data URI.
+
+* Extend the test runner to allow running single specific test files at a time.
+
+* Performance improvements in `SourceNode.prototype.walk` and
+  `SourceMapConsumer.prototype.eachMapping`.
+
+* Source map browser builds will now work inside Workers.
+
+* Better error messages when attempting to add an invalid mapping to a
+  `SourceMapGenerator`.
+
+## 0.1.29
+
+* Allow duplicate entries in the `names` and `sources` arrays of source maps
+  (usually from TypeScript) we are parsing. Fixes github issue 72.
+
+## 0.1.28
+
+* Skip duplicate mappings when creating source maps from SourceNode; github
+  issue 75.
+
+## 0.1.27
+
+* Don't throw an error when the `file` property is missing in SourceMapConsumer,
+  we don't use it anyway.
+
+## 0.1.26
+
+* Fix SourceNode.fromStringWithSourceMap for empty maps. Fixes github issue 70.
+
+## 0.1.25
+
+* Make compatible with browserify
+
+## 0.1.24
+
+* Fix issue with absolute paths and `file://` URIs. See
+  https://bugzilla.mozilla.org/show_bug.cgi?id=885597
+
+## 0.1.23
+
+* Fix issue with absolute paths and sourcesContent, github issue 64.
+
+## 0.1.22
+
+* Ignore duplicate mappings in SourceMapGenerator. Fixes github issue 21.
+
+## 0.1.21
+
+* Fixed handling of sources that start with a slash so that they are relative to
+  the source root's host.
+
+## 0.1.20
+
+* Fixed github issue #43: absolute URLs aren't joined with the source root
+  anymore.
+
+## 0.1.19
+
+* Using Travis CI to run tests.
+
+## 0.1.18
+
+* Fixed a bug in the handling of sourceRoot.
+
+## 0.1.17
+
+* Added SourceNode.fromStringWithSourceMap.
+
+## 0.1.16
+
+* Added missing documentation.
+
+* Fixed the generating of empty mappings in SourceNode.
+
+## 0.1.15
+
+* Added SourceMapGenerator.applySourceMap.
+
+## 0.1.14
+
+* The sourceRoot is now handled consistently.
+
+## 0.1.13
+
+* Added SourceMapGenerator.fromSourceMap.
+
+## 0.1.12
+
+* SourceNode now generates empty mappings too.
+
+## 0.1.11
+
+* Added name support to SourceNode.
+
+## 0.1.10
+
+* Added sourcesContent support to the customer and generator.
diff --git a/node_modules/source-map/LICENSE b/node_modules/source-map/LICENSE
new file mode 100644
index 00000000..ed1b7cf2
--- /dev/null
+++ b/node_modules/source-map/LICENSE
@@ -0,0 +1,28 @@
+
+Copyright (c) 2009-2011, Mozilla Foundation and contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the names of the Mozilla Foundation nor the names of project
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/source-map/README.md b/node_modules/source-map/README.md
new file mode 100644
index 00000000..32813394
--- /dev/null
+++ b/node_modules/source-map/README.md
@@ -0,0 +1,729 @@
+# Source Map
+
+[![Build Status](https://travis-ci.org/mozilla/source-map.png?branch=master)](https://travis-ci.org/mozilla/source-map)
+
+[![NPM](https://nodei.co/npm/source-map.png?downloads=true&downloadRank=true)](https://www.npmjs.com/package/source-map)
+
+This is a library to generate and consume the source map format
+[described here][format].
+
+[format]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+
+## Use with Node
+
+    $ npm install source-map
+
+## Use on the Web
+
+    <script src="https://raw.githubusercontent.com/mozilla/source-map/master/dist/source-map.min.js" defer></script>
+
+--------------------------------------------------------------------------------
+
+<!-- `npm run toc` to regenerate the Table of Contents -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Examples](#examples)
+  - [Consuming a source map](#consuming-a-source-map)
+  - [Generating a source map](#generating-a-source-map)
+    - [With SourceNode (high level API)](#with-sourcenode-high-level-api)
+    - [With SourceMapGenerator (low level API)](#with-sourcemapgenerator-low-level-api)
+- [API](#api)
+  - [SourceMapConsumer](#sourcemapconsumer)
+    - [new SourceMapConsumer(rawSourceMap)](#new-sourcemapconsumerrawsourcemap)
+    - [SourceMapConsumer.prototype.computeColumnSpans()](#sourcemapconsumerprototypecomputecolumnspans)
+    - [SourceMapConsumer.prototype.originalPositionFor(generatedPosition)](#sourcemapconsumerprototypeoriginalpositionforgeneratedposition)
+    - [SourceMapConsumer.prototype.generatedPositionFor(originalPosition)](#sourcemapconsumerprototypegeneratedpositionfororiginalposition)
+    - [SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)](#sourcemapconsumerprototypeallgeneratedpositionsfororiginalposition)
+    - [SourceMapConsumer.prototype.hasContentsOfAllSources()](#sourcemapconsumerprototypehascontentsofallsources)
+    - [SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])](#sourcemapconsumerprototypesourcecontentforsource-returnnullonmissing)
+    - [SourceMapConsumer.prototype.eachMapping(callback, context, order)](#sourcemapconsumerprototypeeachmappingcallback-context-order)
+  - [SourceMapGenerator](#sourcemapgenerator)
+    - [new SourceMapGenerator([startOfSourceMap])](#new-sourcemapgeneratorstartofsourcemap)
+    - [SourceMapGenerator.fromSourceMap(sourceMapConsumer)](#sourcemapgeneratorfromsourcemapsourcemapconsumer)
+    - [SourceMapGenerator.prototype.addMapping(mapping)](#sourcemapgeneratorprototypeaddmappingmapping)
+    - [SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)](#sourcemapgeneratorprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])](#sourcemapgeneratorprototypeapplysourcemapsourcemapconsumer-sourcefile-sourcemappath)
+    - [SourceMapGenerator.prototype.toString()](#sourcemapgeneratorprototypetostring)
+  - [SourceNode](#sourcenode)
+    - [new SourceNode([line, column, source[, chunk[, name]]])](#new-sourcenodeline-column-source-chunk-name)
+    - [SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])](#sourcenodefromstringwithsourcemapcode-sourcemapconsumer-relativepath)
+    - [SourceNode.prototype.add(chunk)](#sourcenodeprototypeaddchunk)
+    - [SourceNode.prototype.prepend(chunk)](#sourcenodeprototypeprependchunk)
+    - [SourceNode.prototype.setSourceContent(sourceFile, sourceContent)](#sourcenodeprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceNode.prototype.walk(fn)](#sourcenodeprototypewalkfn)
+    - [SourceNode.prototype.walkSourceContents(fn)](#sourcenodeprototypewalksourcecontentsfn)
+    - [SourceNode.prototype.join(sep)](#sourcenodeprototypejoinsep)
+    - [SourceNode.prototype.replaceRight(pattern, replacement)](#sourcenodeprototypereplacerightpattern-replacement)
+    - [SourceNode.prototype.toString()](#sourcenodeprototypetostring)
+    - [SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])](#sourcenodeprototypetostringwithsourcemapstartofsourcemap)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## Examples
+
+### Consuming a source map
+
+```js
+var rawSourceMap = {
+  version: 3,
+  file: 'min.js',
+  names: ['bar', 'baz', 'n'],
+  sources: ['one.js', 'two.js'],
+  sourceRoot: 'http://example.com/www/js/',
+  mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
+};
+
+var smc = new SourceMapConsumer(rawSourceMap);
+
+console.log(smc.sources);
+// [ 'http://example.com/www/js/one.js',
+//   'http://example.com/www/js/two.js' ]
+
+console.log(smc.originalPositionFor({
+  line: 2,
+  column: 28
+}));
+// { source: 'http://example.com/www/js/two.js',
+//   line: 2,
+//   column: 10,
+//   name: 'n' }
+
+console.log(smc.generatedPositionFor({
+  source: 'http://example.com/www/js/two.js',
+  line: 2,
+  column: 10
+}));
+// { line: 2, column: 28 }
+
+smc.eachMapping(function (m) {
+  // ...
+});
+```
+
+### Generating a source map
+
+In depth guide:
+[**Compiling to JavaScript, and Debugging with Source Maps**](https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/)
+
+#### With SourceNode (high level API)
+
+```js
+function compile(ast) {
+  switch (ast.type) {
+  case 'BinaryExpression':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      [compile(ast.left), " + ", compile(ast.right)]
+    );
+  case 'Literal':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      String(ast.value)
+    );
+  // ...
+  default:
+    throw new Error("Bad AST");
+  }
+}
+
+var ast = parse("40 + 2", "add.js");
+console.log(compile(ast).toStringWithSourceMap({
+  file: 'add.js'
+}));
+// { code: '40 + 2',
+//   map: [object SourceMapGenerator] }
+```
+
+#### With SourceMapGenerator (low level API)
+
+```js
+var map = new SourceMapGenerator({
+  file: "source-mapped.js"
+});
+
+map.addMapping({
+  generated: {
+    line: 10,
+    column: 35
+  },
+  source: "foo.js",
+  original: {
+    line: 33,
+    column: 2
+  },
+  name: "christopher"
+});
+
+console.log(map.toString());
+// '{"version":3,"file":"source-mapped.js","sources":["foo.js"],"names":["christopher"],"mappings":";;;;;;;;;mCAgCEA"}'
+```
+
+## API
+
+Get a reference to the module:
+
+```js
+// Node.js
+var sourceMap = require('source-map');
+
+// Browser builds
+var sourceMap = window.sourceMap;
+
+// Inside Firefox
+const sourceMap = require("devtools/toolkit/sourcemap/source-map.js");
+```
+
+### SourceMapConsumer
+
+A SourceMapConsumer instance represents a parsed source map which we can query
+for information about the original file positions by giving it a file position
+in the generated source.
+
+#### new SourceMapConsumer(rawSourceMap)
+
+The only parameter is the raw source map (either as a string which can be
+`JSON.parse`'d, or an object). According to the spec, source maps have the
+following attributes:
+
+* `version`: Which version of the source map spec this map is following.
+
+* `sources`: An array of URLs to the original source files.
+
+* `names`: An array of identifiers which can be referenced by individual
+  mappings.
+
+* `sourceRoot`: Optional. The URL root from which all sources are relative.
+
+* `sourcesContent`: Optional. An array of contents of the original source files.
+
+* `mappings`: A string of base64 VLQs which contain the actual mappings.
+
+* `file`: Optional. The generated filename this source map is associated with.
+
+```js
+var consumer = new sourceMap.SourceMapConsumer(rawSourceMapJsonData);
+```
+
+#### SourceMapConsumer.prototype.computeColumnSpans()
+
+Compute the last column for each generated mapping. The last column is
+inclusive.
+
+```js
+// Before:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+
+consumer.computeColumnSpans();
+
+// After:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1,
+//     lastColumn: 9 },
+//   { line: 2,
+//     column: 10,
+//     lastColumn: 19 },
+//   { line: 2,
+//     column: 20,
+//     lastColumn: Infinity } ]
+
+```
+
+#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
+
+Returns the original source, line, and column information for the generated
+source's line and column positions provided. The only argument is an object with
+the following properties:
+
+* `line`: The line number in the generated source.
+
+* `column`: The column number in the generated source.
+
+* `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
+  `SourceMapConsumer.LEAST_UPPER_BOUND`. Specifies whether to return the closest
+  element that is smaller than or greater than the one we are searching for,
+  respectively, if the exact element cannot be found.  Defaults to
+  `SourceMapConsumer.GREATEST_LOWER_BOUND`.
+
+and an object is returned with the following properties:
+
+* `source`: The original source file, or null if this information is not
+  available.
+
+* `line`: The line number in the original source, or null if this information is
+  not available.
+
+* `column`: The column number in the original source, or null if this
+  information is not available.
+
+* `name`: The original identifier, or null if this information is not available.
+
+```js
+consumer.originalPositionFor({ line: 2, column: 10 })
+// { source: 'foo.coffee',
+//   line: 2,
+//   column: 2,
+//   name: null }
+
+consumer.originalPositionFor({ line: 99999999999999999, column: 999999999999999 })
+// { source: null,
+//   line: null,
+//   column: null,
+//   name: null }
+```
+
+#### SourceMapConsumer.prototype.generatedPositionFor(originalPosition)
+
+Returns the generated line and column information for the original source,
+line, and column positions provided. The only argument is an object with
+the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.
+
+* `column`: The column number in the original source.
+
+and an object is returned with the following properties:
+
+* `line`: The line number in the generated source, or null.
+
+* `column`: The column number in the generated source, or null.
+
+```js
+consumer.generatedPositionFor({ source: "example.js", line: 2, column: 10 })
+// { line: 1,
+//   column: 56 }
+```
+
+#### SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)
+
+Returns all generated line and column information for the original source, line,
+and column provided. If no column is provided, returns all mappings
+corresponding to a either the line we are searching for or the next closest line
+that has any mappings. Otherwise, returns all mappings corresponding to the
+given line and either the column we are searching for or the next closest column
+that has any offsets.
+
+The only argument is an object with the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.
+
+* `column`: Optional. The column number in the original source.
+
+and an array of objects is returned, each with the following properties:
+
+* `line`: The line number in the generated source, or null.
+
+* `column`: The column number in the generated source, or null.
+
+```js
+consumer.allGeneratedpositionsfor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+```
+
+#### SourceMapConsumer.prototype.hasContentsOfAllSources()
+
+Return true if we have the embedded source content for every source listed in
+the source map, false otherwise.
+
+In other words, if this method returns `true`, then
+`consumer.sourceContentFor(s)` will succeed for every source `s` in
+`consumer.sources`.
+
+```js
+// ...
+if (consumer.hasContentsOfAllSources()) {
+  consumerReadyCallback(consumer);
+} else {
+  fetchSources(consumer, consumerReadyCallback);
+}
+// ...
+```
+
+#### SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])
+
+Returns the original source content for the source provided. The only
+argument is the URL of the original source file.
+
+If the source content for the given source is not found, then an error is
+thrown. Optionally, pass `true` as the second param to have `null` returned
+instead.
+
+```js
+consumer.sources
+// [ "my-cool-lib.clj" ]
+
+consumer.sourceContentFor("my-cool-lib.clj")
+// "..."
+
+consumer.sourceContentFor("this is not in the source map");
+// Error: "this is not in the source map" is not in the source map
+
+consumer.sourceContentFor("this is not in the source map", true);
+// null
+```
+
+#### SourceMapConsumer.prototype.eachMapping(callback, context, order)
+
+Iterate over each mapping between an original source/line/column and a
+generated line/column in this source map.
+
+* `callback`: The function that is called with each mapping. Mappings have the
+  form `{ source, generatedLine, generatedColumn, originalLine, originalColumn,
+  name }`
+
+* `context`: Optional. If specified, this object will be the value of `this`
+  every time that `callback` is called.
+
+* `order`: Either `SourceMapConsumer.GENERATED_ORDER` or
+  `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to iterate over
+  the mappings sorted by the generated file's line/column order or the
+  original's source/line/column order, respectively. Defaults to
+  `SourceMapConsumer.GENERATED_ORDER`.
+
+```js
+consumer.eachMapping(function (m) { console.log(m); })
+// ...
+// { source: 'illmatic.js',
+//   generatedLine: 1,
+//   generatedColumn: 0,
+//   originalLine: 1,
+//   originalColumn: 0,
+//   name: null }
+// { source: 'illmatic.js',
+//   generatedLine: 2,
+//   generatedColumn: 0,
+//   originalLine: 2,
+//   originalColumn: 0,
+//   name: null }
+// ...
+```
+### SourceMapGenerator
+
+An instance of the SourceMapGenerator represents a source map which is being
+built incrementally.
+
+#### new SourceMapGenerator([startOfSourceMap])
+
+You may pass an object with the following properties:
+
+* `file`: The filename of the generated source that this source map is
+  associated with.
+
+* `sourceRoot`: A root for all relative URLs in this source map.
+
+* `skipValidation`: Optional. When `true`, disables validation of mappings as
+  they are added. This can improve performance but should be used with
+  discretion, as a last resort. Even then, one should avoid using this flag when
+  running tests, if possible.
+
+```js
+var generator = new sourceMap.SourceMapGenerator({
+  file: "my-generated-javascript-file.js",
+  sourceRoot: "http://example.com/app/js/"
+});
+```
+
+#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
+
+Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.
+
+* `sourceMapConsumer` The SourceMap.
+
+```js
+var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
+```
+
+#### SourceMapGenerator.prototype.addMapping(mapping)
+
+Add a single mapping from original source line and column to the generated
+source's line and column for this source map being created. The mapping object
+should have the following properties:
+
+* `generated`: An object with the generated line and column positions.
+
+* `original`: An object with the original line and column positions.
+
+* `source`: The original source file (relative to the sourceRoot).
+
+* `name`: An optional original token name for this mapping.
+
+```js
+generator.addMapping({
+  source: "module-one.scm",
+  original: { line: 128, column: 0 },
+  generated: { line: 3, column: 456 }
+})
+```
+
+#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for an original source file.
+
+* `sourceFile` the URL of the original source file.
+
+* `sourceContent` the content of the source file.
+
+```js
+generator.setSourceContent("module-one.scm",
+                           fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])
+
+Applies a SourceMap for a source file to the SourceMap.
+Each mapping to the supplied source file is rewritten using the
+supplied SourceMap. Note: The resolution for the resulting mappings
+is the minimum of this map and the supplied map.
+
+* `sourceMapConsumer`: The SourceMap to be applied.
+
+* `sourceFile`: Optional. The filename of the source file.
+  If omitted, sourceMapConsumer.file will be used, if it exists.
+  Otherwise an error will be thrown.
+
+* `sourceMapPath`: Optional. The dirname of the path to the SourceMap
+  to be applied. If relative, it is relative to the SourceMap.
+
+  This parameter is needed when the two SourceMaps aren't in the same
+  directory, and the SourceMap to be applied contains relative source
+  paths. If so, those relative source paths need to be rewritten
+  relative to the SourceMap.
+
+  If omitted, it is assumed that both SourceMaps are in the same directory,
+  thus not needing any rewriting. (Supplying `'.'` has the same effect.)
+
+#### SourceMapGenerator.prototype.toString()
+
+Renders the source map being generated to a string.
+
+```js
+generator.toString()
+// '{"version":3,"sources":["module-one.scm"],"names":[],"mappings":"...snip...","file":"my-generated-javascript-file.js","sourceRoot":"http://example.com/app/js/"}'
+```
+
+### SourceNode
+
+SourceNodes provide a way to abstract over interpolating and/or concatenating
+snippets of generated JavaScript source code, while maintaining the line and
+column information associated between those snippets and the original source
+code. This is useful as the final intermediate representation a compiler might
+use before outputting the generated JS and source map.
+
+#### new SourceNode([line, column, source[, chunk[, name]]])
+
+* `line`: The original line number associated with this source node, or null if
+  it isn't associated with an original line.
+
+* `column`: The original column number associated with this source node, or null
+  if it isn't associated with an original column.
+
+* `source`: The original source's filename; null if no filename is provided.
+
+* `chunk`: Optional. Is immediately passed to `SourceNode.prototype.add`, see
+  below.
+
+* `name`: Optional. The original identifier.
+
+```js
+var node = new SourceNode(1, 2, "a.cpp", [
+  new SourceNode(3, 4, "b.cpp", "extern int status;\n"),
+  new SourceNode(5, 6, "c.cpp", "std::string* make_string(size_t n);\n"),
+  new SourceNode(7, 8, "d.cpp", "int main(int argc, char** argv) {}\n"),
+]);
+```
+
+#### SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])
+
+Creates a SourceNode from generated code and a SourceMapConsumer.
+
+* `code`: The generated code
+
+* `sourceMapConsumer` The SourceMap for the generated code
+
+* `relativePath` The optional path that relative sources in `sourceMapConsumer`
+  should be relative to.
+
+```js
+var consumer = new SourceMapConsumer(fs.readFileSync("path/to/my-file.js.map", "utf8"));
+var node = SourceNode.fromStringWithSourceMap(fs.readFileSync("path/to/my-file.js"),
+                                              consumer);
+```
+
+#### SourceNode.prototype.add(chunk)
+
+Add a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.add(" + ");
+node.add(otherNode);
+node.add([leftHandOperandNode, " + ", rightHandOperandNode]);
+```
+
+#### SourceNode.prototype.prepend(chunk)
+
+Prepend a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.prepend("/** Build Id: f783haef86324gf **/\n\n");
+```
+
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
+```js
+node.setSourceContent("module-one.scm",
+                      fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceNode.prototype.walk(fn)
+
+Walk over the tree of JS snippets in this node and its children. The walking
+function is called once for each snippet of JS and is passed that snippet and
+the its original associated source's line/column location.
+
+* `fn`: The traversal function.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.walk(function (code, loc) { console.log("WALK:", code, loc); })
+// WALK: uno { source: 'b.js', line: 3, column: 4, name: null }
+// WALK: dos { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: tres { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: quatro { source: 'c.js', line: 5, column: 6, name: null }
+```
+
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
+```js
+var a = new SourceNode(1, 2, "a.js", "generated from a");
+a.setSourceContent("a.js", "original a");
+var b = new SourceNode(1, 2, "b.js", "generated from b");
+b.setSourceContent("b.js", "original b");
+var c = new SourceNode(1, 2, "c.js", "generated from c");
+c.setSourceContent("c.js", "original c");
+
+var node = new SourceNode(null, null, null, [a, b, c]);
+node.walkSourceContents(function (source, contents) { console.log("WALK:", source, ":", contents); })
+// WALK: a.js : original a
+// WALK: b.js : original b
+// WALK: c.js : original c
+```
+
+#### SourceNode.prototype.join(sep)
+
+Like `Array.prototype.join` except for SourceNodes. Inserts the separator
+between each of this source node's children.
+
+* `sep`: The separator.
+
+```js
+var lhs = new SourceNode(1, 2, "a.rs", "my_copy");
+var operand = new SourceNode(3, 4, "a.rs", "=");
+var rhs = new SourceNode(5, 6, "a.rs", "orig.clone()");
+
+var node = new SourceNode(null, null, null, [ lhs, operand, rhs ]);
+var joinedNode = node.join(" ");
+```
+
+#### SourceNode.prototype.replaceRight(pattern, replacement)
+
+Call `String.prototype.replace` on the very right-most source snippet. Useful
+for trimming white space from the end of a source node, etc.
+
+* `pattern`: The pattern to replace.
+
+* `replacement`: The thing to replace the pattern with.
+
+```js
+// Trim trailing white space.
+node.replaceRight(/\s*$/, "");
+```
+
+#### SourceNode.prototype.toString()
+
+Return the string representation of this source node. Walks over the tree and
+concatenates all the various snippets together to one string.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toString()
+// 'unodostresquatro'
+```
+
+#### SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])
+
+Returns the string representation of this tree of source nodes, plus a
+SourceMapGenerator which contains all the mappings between the generated and
+original sources.
+
+The arguments are the same as those to `new SourceMapGenerator`.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toStringWithSourceMap({ file: "my-output-file.js" })
+// { code: 'unodostresquatro',
+//   map: [object SourceMapGenerator] }
+```
diff --git a/node_modules/source-map/lib/array-set.js b/node_modules/source-map/lib/array-set.js
new file mode 100644
index 00000000..fbd5c81c
--- /dev/null
+++ b/node_modules/source-map/lib/array-set.js
@@ -0,0 +1,121 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
diff --git a/node_modules/source-map/lib/base64-vlq.js b/node_modules/source-map/lib/base64-vlq.js
new file mode 100644
index 00000000..612b4040
--- /dev/null
+++ b/node_modules/source-map/lib/base64-vlq.js
@@ -0,0 +1,140 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
diff --git a/node_modules/source-map/lib/base64.js b/node_modules/source-map/lib/base64.js
new file mode 100644
index 00000000..8aa86b30
--- /dev/null
+++ b/node_modules/source-map/lib/base64.js
@@ -0,0 +1,67 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
diff --git a/node_modules/source-map/lib/binary-search.js b/node_modules/source-map/lib/binary-search.js
new file mode 100644
index 00000000..010ac941
--- /dev/null
+++ b/node_modules/source-map/lib/binary-search.js
@@ -0,0 +1,111 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+exports.GREATEST_LOWER_BOUND = 1;
+exports.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Recursive implementation of binary search.
+ *
+ * @param aLow Indices here and lower do not contain the needle.
+ * @param aHigh Indices here and higher do not contain the needle.
+ * @param aNeedle The element being searched for.
+ * @param aHaystack The non-empty array being searched.
+ * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ */
+function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
+  // This function terminates when one of the following is true:
+  //
+  //   1. We find the exact element we are looking for.
+  //
+  //   2. We did not find the exact element, but we can return the index of
+  //      the next-closest element.
+  //
+  //   3. We did not find the exact element, and there is no next-closest
+  //      element than the one we are searching for, so we return -1.
+  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+  var cmp = aCompare(aNeedle, aHaystack[mid], true);
+  if (cmp === 0) {
+    // Found the element we are looking for.
+    return mid;
+  }
+  else if (cmp > 0) {
+    // Our needle is greater than aHaystack[mid].
+    if (aHigh - mid > 1) {
+      // The element is in the upper half.
+      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // The exact needle element was not found in this haystack. Determine if
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return aHigh < aHaystack.length ? aHigh : -1;
+    } else {
+      return mid;
+    }
+  }
+  else {
+    // Our needle is less than aHaystack[mid].
+    if (mid - aLow > 1) {
+      // The element is in the lower half.
+      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return mid;
+    } else {
+      return aLow < 0 ? -1 : aLow;
+    }
+  }
+}
+
+/**
+ * This is an implementation of binary search which will always try and return
+ * the index of the closest element if there is no exact hit. This is because
+ * mappings between original and generated line/col pairs are single points,
+ * and there is an implicit region between each of them, so a miss just means
+ * that you aren't on the very start of a region.
+ *
+ * @param aNeedle The element you are looking for.
+ * @param aHaystack The array that is being searched.
+ * @param aCompare A function which takes the needle and an element in the
+ *     array and returns -1, 0, or 1 depending on whether the needle is less
+ *     than, equal to, or greater than the element, respectively.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
+ */
+exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
+  if (aHaystack.length === 0) {
+    return -1;
+  }
+
+  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
+  if (index < 0) {
+    return -1;
+  }
+
+  // We have found either the exact element, or the next-closest element than
+  // the one we are searching for. However, there may be more than one such
+  // element. Make sure we always return the smallest of these.
+  while (index - 1 >= 0) {
+    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
+      break;
+    }
+    --index;
+  }
+
+  return index;
+};
diff --git a/node_modules/source-map/lib/mapping-list.js b/node_modules/source-map/lib/mapping-list.js
new file mode 100644
index 00000000..06d1274a
--- /dev/null
+++ b/node_modules/source-map/lib/mapping-list.js
@@ -0,0 +1,79 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
diff --git a/node_modules/source-map/lib/quick-sort.js b/node_modules/source-map/lib/quick-sort.js
new file mode 100644
index 00000000..6a7caadb
--- /dev/null
+++ b/node_modules/source-map/lib/quick-sort.js
@@ -0,0 +1,114 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+// It turns out that some (most?) JavaScript engines don't self-host
+// `Array.prototype.sort`. This makes sense because C++ will likely remain
+// faster than JS when doing raw CPU-intensive sorting. However, when using a
+// custom comparator function, calling back and forth between the VM's C++ and
+// JIT'd JS is rather slow *and* loses JIT type information, resulting in
+// worse generated code for the comparator function than would be optimal. In
+// fact, when sorting with a comparator, these costs outweigh the benefits of
+// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+// a ~3500ms mean speed-up in `bench/bench.html`.
+
+/**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ *        The array.
+ * @param {Number} x
+ *        The index of the first item.
+ * @param {Number} y
+ *        The index of the second item.
+ */
+function swap(ary, x, y) {
+  var temp = ary[x];
+  ary[x] = ary[y];
+  ary[y] = temp;
+}
+
+/**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ *        The lower bound on the range.
+ * @param {Number} high
+ *        The upper bound on the range.
+ */
+function randomIntInRange(low, high) {
+  return Math.round(low + (Math.random() * (high - low)));
+}
+
+/**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ * @param {Number} p
+ *        Start index of the array
+ * @param {Number} r
+ *        End index of the array
+ */
+function doQuickSort(ary, comparator, p, r) {
+  // If our lower bound is less than our upper bound, we (1) partition the
+  // array into two pieces and (2) recurse on each half. If it is not, this is
+  // the empty array and our base case.
+
+  if (p < r) {
+    // (1) Partitioning.
+    //
+    // The partitioning chooses a pivot between `p` and `r` and moves all
+    // elements that are less than or equal to the pivot to the before it, and
+    // all the elements that are greater than it after it. The effect is that
+    // once partition is done, the pivot is in the exact place it will be when
+    // the array is put in sorted order, and it will not need to be moved
+    // again. This runs in O(n) time.
+
+    // Always choose a random pivot so that an input array which is reverse
+    // sorted does not cause O(n^2) running time.
+    var pivotIndex = randomIntInRange(p, r);
+    var i = p - 1;
+
+    swap(ary, pivotIndex, r);
+    var pivot = ary[r];
+
+    // Immediately after `j` is incremented in this loop, the following hold
+    // true:
+    //
+    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
+    //
+    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+    for (var j = p; j < r; j++) {
+      if (comparator(ary[j], pivot) <= 0) {
+        i += 1;
+        swap(ary, i, j);
+      }
+    }
+
+    swap(ary, i + 1, j);
+    var q = i + 1;
+
+    // (2) Recurse on each half.
+
+    doQuickSort(ary, comparator, p, q - 1);
+    doQuickSort(ary, comparator, q + 1, r);
+  }
+}
+
+/**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ */
+exports.quickSort = function (ary, comparator) {
+  doQuickSort(ary, comparator, 0, ary.length - 1);
+};
diff --git a/node_modules/source-map/lib/source-map-consumer.js b/node_modules/source-map/lib/source-map-consumer.js
new file mode 100644
index 00000000..6abcc280
--- /dev/null
+++ b/node_modules/source-map/lib/source-map-consumer.js
@@ -0,0 +1,1082 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var binarySearch = require('./binary-search');
+var ArraySet = require('./array-set').ArraySet;
+var base64VLQ = require('./base64-vlq');
+var quickSort = require('./quick-sort').quickSort;
+
+function SourceMapConsumer(aSourceMap) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+  }
+
+  return sourceMap.sections != null
+    ? new IndexedSourceMapConsumer(sourceMap)
+    : new BasicSourceMapConsumer(sourceMap);
+}
+
+SourceMapConsumer.fromSourceMap = function(aSourceMap) {
+  return BasicSourceMapConsumer.fromSourceMap(aSourceMap);
+}
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+SourceMapConsumer.prototype._version = 3;
+
+// `__generatedMappings` and `__originalMappings` are arrays that hold the
+// parsed mapping coordinates from the source map's "mappings" attribute. They
+// are lazily instantiated, accessed via the `_generatedMappings` and
+// `_originalMappings` getters respectively, and we only parse the mappings
+// and create these arrays once queried for a source location. We jump through
+// these hoops because there can be many thousands of mappings, and parsing
+// them is expensive, so we only want to do it if we must.
+//
+// Each object in the arrays is of the form:
+//
+//     {
+//       generatedLine: The line number in the generated code,
+//       generatedColumn: The column number in the generated code,
+//       source: The path to the original source file that generated this
+//               chunk of code,
+//       originalLine: The line number in the original source that
+//                     corresponds to this chunk of generated code,
+//       originalColumn: The column number in the original source that
+//                       corresponds to this chunk of generated code,
+//       name: The name of the original symbol which generated this chunk of
+//             code.
+//     }
+//
+// All properties except for `generatedLine` and `generatedColumn` can be
+// `null`.
+//
+// `_generatedMappings` is ordered by the generated positions.
+//
+// `_originalMappings` is ordered by the original positions.
+
+SourceMapConsumer.prototype.__generatedMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  get: function () {
+    if (!this.__generatedMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__generatedMappings;
+  }
+});
+
+SourceMapConsumer.prototype.__originalMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  get: function () {
+    if (!this.__originalMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__originalMappings;
+  }
+});
+
+SourceMapConsumer.prototype._charIsMappingSeparator =
+  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
+    var c = aStr.charAt(index);
+    return c === ";" || c === ",";
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+SourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    throw new Error("Subclasses must implement _parseMappings");
+  };
+
+SourceMapConsumer.GENERATED_ORDER = 1;
+SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
+SourceMapConsumer.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Iterate over each mapping between an original source/line/column and a
+ * generated line/column in this source map.
+ *
+ * @param Function aCallback
+ *        The function that is called with each mapping.
+ * @param Object aContext
+ *        Optional. If specified, this object will be the value of `this` every
+ *        time that `aCallback` is called.
+ * @param aOrder
+ *        Either `SourceMapConsumer.GENERATED_ORDER` or
+ *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+ *        iterate over the mappings sorted by the generated file's line/column
+ *        order or the original's source/line/column order, respectively. Defaults to
+ *        `SourceMapConsumer.GENERATED_ORDER`.
+ */
+SourceMapConsumer.prototype.eachMapping =
+  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+    var context = aContext || null;
+    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+    var mappings;
+    switch (order) {
+    case SourceMapConsumer.GENERATED_ORDER:
+      mappings = this._generatedMappings;
+      break;
+    case SourceMapConsumer.ORIGINAL_ORDER:
+      mappings = this._originalMappings;
+      break;
+    default:
+      throw new Error("Unknown order of iteration.");
+    }
+
+    var sourceRoot = this.sourceRoot;
+    mappings.map(function (mapping) {
+      var source = mapping.source === null ? null : this._sources.at(mapping.source);
+      if (source != null && sourceRoot != null) {
+        source = util.join(sourceRoot, source);
+      }
+      return {
+        source: source,
+        generatedLine: mapping.generatedLine,
+        generatedColumn: mapping.generatedColumn,
+        originalLine: mapping.originalLine,
+        originalColumn: mapping.originalColumn,
+        name: mapping.name === null ? null : this._names.at(mapping.name)
+      };
+    }, this).forEach(aCallback, context);
+  };
+
+/**
+ * Returns all generated line and column information for the original source,
+ * line, and column provided. If no column is provided, returns all mappings
+ * corresponding to a either the line we are searching for or the next
+ * closest line that has any mappings. Otherwise, returns all mappings
+ * corresponding to the given line and either the column we are searching for
+ * or the next closest column that has any offsets.
+ *
+ * The only argument is an object with the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.
+ *   - column: Optional. the column number in the original source.
+ *
+ * and an array of objects is returned, each with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.
+ *   - column: The column number in the generated source, or null.
+ */
+SourceMapConsumer.prototype.allGeneratedPositionsFor =
+  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
+    var line = util.getArg(aArgs, 'line');
+
+    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
+    // returns the index of the closest mapping less than the needle. By
+    // setting needle.originalColumn to 0, we thus find the last mapping for
+    // the given line, provided such a mapping exists.
+    var needle = {
+      source: util.getArg(aArgs, 'source'),
+      originalLine: line,
+      originalColumn: util.getArg(aArgs, 'column', 0)
+    };
+
+    if (this.sourceRoot != null) {
+      needle.source = util.relative(this.sourceRoot, needle.source);
+    }
+    if (!this._sources.has(needle.source)) {
+      return [];
+    }
+    needle.source = this._sources.indexOf(needle.source);
+
+    var mappings = [];
+
+    var index = this._findMapping(needle,
+                                  this._originalMappings,
+                                  "originalLine",
+                                  "originalColumn",
+                                  util.compareByOriginalPositions,
+                                  binarySearch.LEAST_UPPER_BOUND);
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (aArgs.column === undefined) {
+        var originalLine = mapping.originalLine;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we found. Since
+        // mappings are sorted, this is guaranteed to find all mappings for
+        // the line we found.
+        while (mapping && mapping.originalLine === originalLine) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      } else {
+        var originalColumn = mapping.originalColumn;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we were searching for.
+        // Since mappings are sorted, this is guaranteed to find all mappings for
+        // the line we are searching for.
+        while (mapping &&
+               mapping.originalLine === line &&
+               mapping.originalColumn == originalColumn) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      }
+    }
+
+    return mappings;
+  };
+
+exports.SourceMapConsumer = SourceMapConsumer;
+
+/**
+ * A BasicSourceMapConsumer instance represents a parsed source map which we can
+ * query for information about the original file positions by giving it a file
+ * position in the generated source.
+ *
+ * The only parameter is the raw source map (either as a JSON string, or
+ * already parsed to an object). According to the spec, source maps have the
+ * following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - sources: An array of URLs to the original source files.
+ *   - names: An array of identifiers which can be referrenced by individual mappings.
+ *   - sourceRoot: Optional. The URL root from which all sources are relative.
+ *   - sourcesContent: Optional. An array of contents of the original source files.
+ *   - mappings: A string of base64 VLQs which contain the actual mappings.
+ *   - file: Optional. The generated file this source map is associated with.
+ *
+ * Here is an example source map, taken from the source map spec[0]:
+ *
+ *     {
+ *       version : 3,
+ *       file: "out.js",
+ *       sourceRoot : "",
+ *       sources: ["foo.js", "bar.js"],
+ *       names: ["src", "maps", "are", "fun"],
+ *       mappings: "AA,AB;;ABCDE;"
+ *     }
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+ */
+function BasicSourceMapConsumer(aSourceMap) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sources = util.getArg(sourceMap, 'sources');
+  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
+  // requires the array) to play nice here.
+  var names = util.getArg(sourceMap, 'names', []);
+  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
+  var mappings = util.getArg(sourceMap, 'mappings');
+  var file = util.getArg(sourceMap, 'file', null);
+
+  // Once again, Sass deviates from the spec and supplies the version as a
+  // string rather than a number, so we use loose equality checking here.
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  sources = sources
+    .map(String)
+    // Some source maps produce relative source paths like "./foo.js" instead of
+    // "foo.js".  Normalize these first so that future comparisons will succeed.
+    // See bugzil.la/1090768.
+    .map(util.normalize)
+    // Always ensure that absolute sources are internally stored relative to
+    // the source root, if the source root is absolute. Not doing this would
+    // be particularly problematic when the source root is a prefix of the
+    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
+    .map(function (source) {
+      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
+        ? util.relative(sourceRoot, source)
+        : source;
+    });
+
+  // Pass `true` below to allow duplicate names and sources. While source maps
+  // are intended to be compressed and deduplicated, the TypeScript compiler
+  // sometimes generates source maps with duplicates in them. See Github issue
+  // #72 and bugzil.la/889492.
+  this._names = ArraySet.fromArray(names.map(String), true);
+  this._sources = ArraySet.fromArray(sources, true);
+
+  this.sourceRoot = sourceRoot;
+  this.sourcesContent = sourcesContent;
+  this._mappings = mappings;
+  this.file = file;
+}
+
+BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
+
+/**
+ * Create a BasicSourceMapConsumer from a SourceMapGenerator.
+ *
+ * @param SourceMapGenerator aSourceMap
+ *        The source map that will be consumed.
+ * @returns BasicSourceMapConsumer
+ */
+BasicSourceMapConsumer.fromSourceMap =
+  function SourceMapConsumer_fromSourceMap(aSourceMap) {
+    var smc = Object.create(BasicSourceMapConsumer.prototype);
+
+    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
+    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
+    smc.sourceRoot = aSourceMap._sourceRoot;
+    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
+                                                            smc.sourceRoot);
+    smc.file = aSourceMap._file;
+
+    // Because we are modifying the entries (by converting string sources and
+    // names to indices into the sources and names ArraySets), we have to make
+    // a copy of the entry or else bad things happen. Shared mutable state
+    // strikes again! See github issue #191.
+
+    var generatedMappings = aSourceMap._mappings.toArray().slice();
+    var destGeneratedMappings = smc.__generatedMappings = [];
+    var destOriginalMappings = smc.__originalMappings = [];
+
+    for (var i = 0, length = generatedMappings.length; i < length; i++) {
+      var srcMapping = generatedMappings[i];
+      var destMapping = new Mapping;
+      destMapping.generatedLine = srcMapping.generatedLine;
+      destMapping.generatedColumn = srcMapping.generatedColumn;
+
+      if (srcMapping.source) {
+        destMapping.source = sources.indexOf(srcMapping.source);
+        destMapping.originalLine = srcMapping.originalLine;
+        destMapping.originalColumn = srcMapping.originalColumn;
+
+        if (srcMapping.name) {
+          destMapping.name = names.indexOf(srcMapping.name);
+        }
+
+        destOriginalMappings.push(destMapping);
+      }
+
+      destGeneratedMappings.push(destMapping);
+    }
+
+    quickSort(smc.__originalMappings, util.compareByOriginalPositions);
+
+    return smc;
+  };
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+BasicSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    return this._sources.toArray().map(function (s) {
+      return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
+    }, this);
+  }
+});
+
+/**
+ * Provide the JIT with a nice shape / hidden class.
+ */
+function Mapping() {
+  this.generatedLine = 0;
+  this.generatedColumn = 0;
+  this.source = null;
+  this.originalLine = null;
+  this.originalColumn = null;
+  this.name = null;
+}
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+BasicSourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    var generatedLine = 1;
+    var previousGeneratedColumn = 0;
+    var previousOriginalLine = 0;
+    var previousOriginalColumn = 0;
+    var previousSource = 0;
+    var previousName = 0;
+    var length = aStr.length;
+    var index = 0;
+    var cachedSegments = {};
+    var temp = {};
+    var originalMappings = [];
+    var generatedMappings = [];
+    var mapping, str, segment, end, value;
+
+    while (index < length) {
+      if (aStr.charAt(index) === ';') {
+        generatedLine++;
+        index++;
+        previousGeneratedColumn = 0;
+      }
+      else if (aStr.charAt(index) === ',') {
+        index++;
+      }
+      else {
+        mapping = new Mapping();
+        mapping.generatedLine = generatedLine;
+
+        // Because each offset is encoded relative to the previous one,
+        // many segments often have the same encoding. We can exploit this
+        // fact by caching the parsed variable length fields of each segment,
+        // allowing us to avoid a second parse if we encounter the same
+        // segment again.
+        for (end = index; end < length; end++) {
+          if (this._charIsMappingSeparator(aStr, end)) {
+            break;
+          }
+        }
+        str = aStr.slice(index, end);
+
+        segment = cachedSegments[str];
+        if (segment) {
+          index += str.length;
+        } else {
+          segment = [];
+          while (index < end) {
+            base64VLQ.decode(aStr, index, temp);
+            value = temp.value;
+            index = temp.rest;
+            segment.push(value);
+          }
+
+          if (segment.length === 2) {
+            throw new Error('Found a source, but no line and column');
+          }
+
+          if (segment.length === 3) {
+            throw new Error('Found a source and line, but no column');
+          }
+
+          cachedSegments[str] = segment;
+        }
+
+        // Generated column.
+        mapping.generatedColumn = previousGeneratedColumn + segment[0];
+        previousGeneratedColumn = mapping.generatedColumn;
+
+        if (segment.length > 1) {
+          // Original source.
+          mapping.source = previousSource + segment[1];
+          previousSource += segment[1];
+
+          // Original line.
+          mapping.originalLine = previousOriginalLine + segment[2];
+          previousOriginalLine = mapping.originalLine;
+          // Lines are stored 0-based
+          mapping.originalLine += 1;
+
+          // Original column.
+          mapping.originalColumn = previousOriginalColumn + segment[3];
+          previousOriginalColumn = mapping.originalColumn;
+
+          if (segment.length > 4) {
+            // Original name.
+            mapping.name = previousName + segment[4];
+            previousName += segment[4];
+          }
+        }
+
+        generatedMappings.push(mapping);
+        if (typeof mapping.originalLine === 'number') {
+          originalMappings.push(mapping);
+        }
+      }
+    }
+
+    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
+    this.__generatedMappings = generatedMappings;
+
+    quickSort(originalMappings, util.compareByOriginalPositions);
+    this.__originalMappings = originalMappings;
+  };
+
+/**
+ * Find the mapping that best matches the hypothetical "needle" mapping that
+ * we are searching for in the given "haystack" of mappings.
+ */
+BasicSourceMapConsumer.prototype._findMapping =
+  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                         aColumnName, aComparator, aBias) {
+    // To return the position we are searching for, we must first find the
+    // mapping for the given position and then return the opposite position it
+    // points to. Because the mappings are sorted, we can use binary search to
+    // find the best mapping.
+
+    if (aNeedle[aLineName] <= 0) {
+      throw new TypeError('Line must be greater than or equal to 1, got '
+                          + aNeedle[aLineName]);
+    }
+    if (aNeedle[aColumnName] < 0) {
+      throw new TypeError('Column must be greater than or equal to 0, got '
+                          + aNeedle[aColumnName]);
+    }
+
+    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
+  };
+
+/**
+ * Compute the last column for each generated mapping. The last column is
+ * inclusive.
+ */
+BasicSourceMapConsumer.prototype.computeColumnSpans =
+  function SourceMapConsumer_computeColumnSpans() {
+    for (var index = 0; index < this._generatedMappings.length; ++index) {
+      var mapping = this._generatedMappings[index];
+
+      // Mappings do not contain a field for the last generated columnt. We
+      // can come up with an optimistic estimate, however, by assuming that
+      // mappings are contiguous (i.e. given two consecutive mappings, the
+      // first mapping ends where the second one starts).
+      if (index + 1 < this._generatedMappings.length) {
+        var nextMapping = this._generatedMappings[index + 1];
+
+        if (mapping.generatedLine === nextMapping.generatedLine) {
+          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
+          continue;
+        }
+      }
+
+      // The last mapping for each line spans the entire line.
+      mapping.lastGeneratedColumn = Infinity;
+    }
+  };
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.
+ *   - column: The column number in the generated source.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.
+ *   - column: The column number in the original source, or null.
+ *   - name: The original identifier, or null.
+ */
+BasicSourceMapConsumer.prototype.originalPositionFor =
+  function SourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._generatedMappings,
+      "generatedLine",
+      "generatedColumn",
+      util.compareByGeneratedPositionsDeflated,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._generatedMappings[index];
+
+      if (mapping.generatedLine === needle.generatedLine) {
+        var source = util.getArg(mapping, 'source', null);
+        if (source !== null) {
+          source = this._sources.at(source);
+          if (this.sourceRoot != null) {
+            source = util.join(this.sourceRoot, source);
+          }
+        }
+        var name = util.getArg(mapping, 'name', null);
+        if (name !== null) {
+          name = this._names.at(name);
+        }
+        return {
+          source: source,
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: name
+        };
+      }
+    }
+
+    return {
+      source: null,
+      line: null,
+      column: null,
+      name: null
+    };
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function BasicSourceMapConsumer_hasContentsOfAllSources() {
+    if (!this.sourcesContent) {
+      return false;
+    }
+    return this.sourcesContent.length >= this._sources.size() &&
+      !this.sourcesContent.some(function (sc) { return sc == null; });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+BasicSourceMapConsumer.prototype.sourceContentFor =
+  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    if (!this.sourcesContent) {
+      return null;
+    }
+
+    if (this.sourceRoot != null) {
+      aSource = util.relative(this.sourceRoot, aSource);
+    }
+
+    if (this._sources.has(aSource)) {
+      return this.sourcesContent[this._sources.indexOf(aSource)];
+    }
+
+    var url;
+    if (this.sourceRoot != null
+        && (url = util.urlParse(this.sourceRoot))) {
+      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
+      // many users. We can help them out when they expect file:// URIs to
+      // behave like it would if they were running a local HTTP server. See
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
+      var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
+      if (url.scheme == "file"
+          && this._sources.has(fileUriAbsPath)) {
+        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
+      }
+
+      if ((!url.path || url.path == "/")
+          && this._sources.has("/" + aSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + aSource)];
+      }
+    }
+
+    // This function is used recursively from
+    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
+    // don't want to throw if we can't find the source - we just want to
+    // return null, so we provide a flag to exit gracefully.
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.
+ *   - column: The column number in the original source.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.
+ *   - column: The column number in the generated source, or null.
+ */
+BasicSourceMapConsumer.prototype.generatedPositionFor =
+  function SourceMapConsumer_generatedPositionFor(aArgs) {
+    var source = util.getArg(aArgs, 'source');
+    if (this.sourceRoot != null) {
+      source = util.relative(this.sourceRoot, source);
+    }
+    if (!this._sources.has(source)) {
+      return {
+        line: null,
+        column: null,
+        lastColumn: null
+      };
+    }
+    source = this._sources.indexOf(source);
+
+    var needle = {
+      source: source,
+      originalLine: util.getArg(aArgs, 'line'),
+      originalColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._originalMappings,
+      "originalLine",
+      "originalColumn",
+      util.compareByOriginalPositions,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (mapping.source === needle.source) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null),
+          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+        };
+      }
+    }
+
+    return {
+      line: null,
+      column: null,
+      lastColumn: null
+    };
+  };
+
+exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
+
+/**
+ * An IndexedSourceMapConsumer instance represents a parsed source map which
+ * we can query for information. It differs from BasicSourceMapConsumer in
+ * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
+ * input.
+ *
+ * The only parameter is a raw source map (either as a JSON string, or already
+ * parsed to an object). According to the spec for indexed source maps, they
+ * have the following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - file: Optional. The generated file this source map is associated with.
+ *   - sections: A list of section definitions.
+ *
+ * Each value under the "sections" field has two fields:
+ *   - offset: The offset into the original specified at which this section
+ *       begins to apply, defined as an object with a "line" and "column"
+ *       field.
+ *   - map: A source map definition. This source map could also be indexed,
+ *       but doesn't have to be.
+ *
+ * Instead of the "map" field, it's also possible to have a "url" field
+ * specifying a URL to retrieve a source map from, but that's currently
+ * unsupported.
+ *
+ * Here's an example source map, taken from the source map spec[0], but
+ * modified to omit a section which uses the "url" field.
+ *
+ *  {
+ *    version : 3,
+ *    file: "app.js",
+ *    sections: [{
+ *      offset: {line:100, column:10},
+ *      map: {
+ *        version : 3,
+ *        file: "section.js",
+ *        sources: ["foo.js", "bar.js"],
+ *        names: ["src", "maps", "are", "fun"],
+ *        mappings: "AAAA,E;;ABCDE;"
+ *      }
+ *    }],
+ *  }
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
+ */
+function IndexedSourceMapConsumer(aSourceMap) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sections = util.getArg(sourceMap, 'sections');
+
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+
+  var lastOffset = {
+    line: -1,
+    column: 0
+  };
+  this._sections = sections.map(function (s) {
+    if (s.url) {
+      // The url field will require support for asynchronicity.
+      // See https://github.com/mozilla/source-map/issues/16
+      throw new Error('Support for url field in sections not implemented.');
+    }
+    var offset = util.getArg(s, 'offset');
+    var offsetLine = util.getArg(offset, 'line');
+    var offsetColumn = util.getArg(offset, 'column');
+
+    if (offsetLine < lastOffset.line ||
+        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
+      throw new Error('Section offsets must be ordered and non-overlapping.');
+    }
+    lastOffset = offset;
+
+    return {
+      generatedOffset: {
+        // The offset fields are 0-based, but we use 1-based indices when
+        // encoding/decoding from VLQ.
+        generatedLine: offsetLine + 1,
+        generatedColumn: offsetColumn + 1
+      },
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'))
+    }
+  });
+}
+
+IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+IndexedSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    var sources = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
+        sources.push(this._sections[i].consumer.sources[j]);
+      }
+    }
+    return sources;
+  }
+});
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.
+ *   - column: The column number in the generated source.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.
+ *   - column: The column number in the original source, or null.
+ *   - name: The original identifier, or null.
+ */
+IndexedSourceMapConsumer.prototype.originalPositionFor =
+  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    // Find the section containing the generated position we're trying to map
+    // to an original position.
+    var sectionIndex = binarySearch.search(needle, this._sections,
+      function(needle, section) {
+        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
+        if (cmp) {
+          return cmp;
+        }
+
+        return (needle.generatedColumn -
+                section.generatedOffset.generatedColumn);
+      });
+    var section = this._sections[sectionIndex];
+
+    if (!section) {
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    }
+
+    return section.consumer.originalPositionFor({
+      line: needle.generatedLine -
+        (section.generatedOffset.generatedLine - 1),
+      column: needle.generatedColumn -
+        (section.generatedOffset.generatedLine === needle.generatedLine
+         ? section.generatedOffset.generatedColumn - 1
+         : 0),
+      bias: aArgs.bias
+    });
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
+    return this._sections.every(function (s) {
+      return s.consumer.hasContentsOfAllSources();
+    });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+IndexedSourceMapConsumer.prototype.sourceContentFor =
+  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      var content = section.consumer.sourceContentFor(aSource, true);
+      if (content) {
+        return content;
+      }
+    }
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.
+ *   - column: The column number in the original source.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.
+ *   - column: The column number in the generated source, or null.
+ */
+IndexedSourceMapConsumer.prototype.generatedPositionFor =
+  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      // Only consider this section if the requested source is in the list of
+      // sources of the consumer.
+      if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) {
+        continue;
+      }
+      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
+      if (generatedPosition) {
+        var ret = {
+          line: generatedPosition.line +
+            (section.generatedOffset.generatedLine - 1),
+          column: generatedPosition.column +
+            (section.generatedOffset.generatedLine === generatedPosition.line
+             ? section.generatedOffset.generatedColumn - 1
+             : 0)
+        };
+        return ret;
+      }
+    }
+
+    return {
+      line: null,
+      column: null
+    };
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+IndexedSourceMapConsumer.prototype._parseMappings =
+  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    this.__generatedMappings = [];
+    this.__originalMappings = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+      var sectionMappings = section.consumer._generatedMappings;
+      for (var j = 0; j < sectionMappings.length; j++) {
+        var mapping = sectionMappings[j];
+
+        var source = section.consumer._sources.at(mapping.source);
+        if (section.consumer.sourceRoot !== null) {
+          source = util.join(section.consumer.sourceRoot, source);
+        }
+        this._sources.add(source);
+        source = this._sources.indexOf(source);
+
+        var name = section.consumer._names.at(mapping.name);
+        this._names.add(name);
+        name = this._names.indexOf(name);
+
+        // The mappings coming from the consumer for the section have
+        // generated positions relative to the start of the section, so we
+        // need to offset them to be relative to the start of the concatenated
+        // generated file.
+        var adjustedMapping = {
+          source: source,
+          generatedLine: mapping.generatedLine +
+            (section.generatedOffset.generatedLine - 1),
+          generatedColumn: mapping.generatedColumn +
+            (section.generatedOffset.generatedLine === mapping.generatedLine
+            ? section.generatedOffset.generatedColumn - 1
+            : 0),
+          originalLine: mapping.originalLine,
+          originalColumn: mapping.originalColumn,
+          name: name
+        };
+
+        this.__generatedMappings.push(adjustedMapping);
+        if (typeof adjustedMapping.originalLine === 'number') {
+          this.__originalMappings.push(adjustedMapping);
+        }
+      }
+    }
+
+    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
+    quickSort(this.__originalMappings, util.compareByOriginalPositions);
+  };
+
+exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
diff --git a/node_modules/source-map/lib/source-map-generator.js b/node_modules/source-map/lib/source-map-generator.js
new file mode 100644
index 00000000..aff1e7fb
--- /dev/null
+++ b/node_modules/source-map/lib/source-map-generator.js
@@ -0,0 +1,416 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
diff --git a/node_modules/source-map/lib/source-node.js b/node_modules/source-map/lib/source-node.js
new file mode 100644
index 00000000..d196a53f
--- /dev/null
+++ b/node_modules/source-map/lib/source-node.js
@@ -0,0 +1,413 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+var util = require('./util');
+
+// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
+// operating systems these days (capturing the result).
+var REGEX_NEWLINE = /(\r?\n)/;
+
+// Newline character code for charCodeAt() comparisons
+var NEWLINE_CODE = 10;
+
+// Private symbol for identifying `SourceNode`s when multiple versions of
+// the source-map library are loaded. This MUST NOT CHANGE across
+// versions!
+var isSourceNode = "$$$isSourceNode$$$";
+
+/**
+ * SourceNodes provide a way to abstract over interpolating/concatenating
+ * snippets of generated JavaScript source code while maintaining the line and
+ * column information associated with the original source code.
+ *
+ * @param aLine The original line number.
+ * @param aColumn The original column number.
+ * @param aSource The original source's filename.
+ * @param aChunks Optional. An array of strings which are snippets of
+ *        generated JS, or other SourceNodes.
+ * @param aName The original identifier.
+ */
+function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
+  this.children = [];
+  this.sourceContents = {};
+  this.line = aLine == null ? null : aLine;
+  this.column = aColumn == null ? null : aColumn;
+  this.source = aSource == null ? null : aSource;
+  this.name = aName == null ? null : aName;
+  this[isSourceNode] = true;
+  if (aChunks != null) this.add(aChunks);
+}
+
+/**
+ * Creates a SourceNode from generated code and a SourceMapConsumer.
+ *
+ * @param aGeneratedCode The generated code
+ * @param aSourceMapConsumer The SourceMap for the generated code
+ * @param aRelativePath Optional. The path that relative sources in the
+ *        SourceMapConsumer should be relative to.
+ */
+SourceNode.fromStringWithSourceMap =
+  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
+    // The SourceNode we want to fill with the generated code
+    // and the SourceMap
+    var node = new SourceNode();
+
+    // All even indices of this array are one line of the generated code,
+    // while all odd indices are the newlines between two adjacent lines
+    // (since `REGEX_NEWLINE` captures its match).
+    // Processed fragments are accessed by calling `shiftNextLine`.
+    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
+    var remainingLinesIndex = 0;
+    var shiftNextLine = function() {
+      var lineContents = getNextLine();
+      // The last line of a file might not have a newline.
+      var newLine = getNextLine() || "";
+      return lineContents + newLine;
+
+      function getNextLine() {
+        return remainingLinesIndex < remainingLines.length ?
+            remainingLines[remainingLinesIndex++] : undefined;
+      }
+    };
+
+    // We need to remember the position of "remainingLines"
+    var lastGeneratedLine = 1, lastGeneratedColumn = 0;
+
+    // The generate SourceNodes we need a code range.
+    // To extract it current and last mapping is used.
+    // Here we store the last mapping.
+    var lastMapping = null;
+
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      if (lastMapping !== null) {
+        // We add the code from "lastMapping" to "mapping":
+        // First check if there is a new line in between.
+        if (lastGeneratedLine < mapping.generatedLine) {
+          // Associate first line with "lastMapping"
+          addMappingWithCode(lastMapping, shiftNextLine());
+          lastGeneratedLine++;
+          lastGeneratedColumn = 0;
+          // The remaining code is added without mapping
+        } else {
+          // There is no new line in between.
+          // Associate the code between "lastGeneratedColumn" and
+          // "mapping.generatedColumn" with "lastMapping"
+          var nextLine = remainingLines[remainingLinesIndex];
+          var code = nextLine.substr(0, mapping.generatedColumn -
+                                        lastGeneratedColumn);
+          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
+                                              lastGeneratedColumn);
+          lastGeneratedColumn = mapping.generatedColumn;
+          addMappingWithCode(lastMapping, code);
+          // No more remaining code, continue
+          lastMapping = mapping;
+          return;
+        }
+      }
+      // We add the generated code until the first mapping
+      // to the SourceNode without any mapping.
+      // Each line is added as separate string.
+      while (lastGeneratedLine < mapping.generatedLine) {
+        node.add(shiftNextLine());
+        lastGeneratedLine++;
+      }
+      if (lastGeneratedColumn < mapping.generatedColumn) {
+        var nextLine = remainingLines[remainingLinesIndex];
+        node.add(nextLine.substr(0, mapping.generatedColumn));
+        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
+        lastGeneratedColumn = mapping.generatedColumn;
+      }
+      lastMapping = mapping;
+    }, this);
+    // We have processed all mappings.
+    if (remainingLinesIndex < remainingLines.length) {
+      if (lastMapping) {
+        // Associate the remaining code in the current line with "lastMapping"
+        addMappingWithCode(lastMapping, shiftNextLine());
+      }
+      // and add the remaining lines without any mapping
+      node.add(remainingLines.splice(remainingLinesIndex).join(""));
+    }
+
+    // Copy sourcesContent into SourceNode
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aRelativePath != null) {
+          sourceFile = util.join(aRelativePath, sourceFile);
+        }
+        node.setSourceContent(sourceFile, content);
+      }
+    });
+
+    return node;
+
+    function addMappingWithCode(mapping, code) {
+      if (mapping === null || mapping.source === undefined) {
+        node.add(code);
+      } else {
+        var source = aRelativePath
+          ? util.join(aRelativePath, mapping.source)
+          : mapping.source;
+        node.add(new SourceNode(mapping.originalLine,
+                                mapping.originalColumn,
+                                source,
+                                code,
+                                mapping.name));
+      }
+    }
+  };
+
+/**
+ * Add a chunk of generated JS to this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.add = function SourceNode_add(aChunk) {
+  if (Array.isArray(aChunk)) {
+    aChunk.forEach(function (chunk) {
+      this.add(chunk);
+    }, this);
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    if (aChunk) {
+      this.children.push(aChunk);
+    }
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Add a chunk of generated JS to the beginning of this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+  if (Array.isArray(aChunk)) {
+    for (var i = aChunk.length-1; i >= 0; i--) {
+      this.prepend(aChunk[i]);
+    }
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    this.children.unshift(aChunk);
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Walk over the tree of JS snippets in this node and its children. The
+ * walking function is called once for each snippet of JS and is passed that
+ * snippet and the its original associated source's line/column location.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+  var chunk;
+  for (var i = 0, len = this.children.length; i < len; i++) {
+    chunk = this.children[i];
+    if (chunk[isSourceNode]) {
+      chunk.walk(aFn);
+    }
+    else {
+      if (chunk !== '') {
+        aFn(chunk, { source: this.source,
+                     line: this.line,
+                     column: this.column,
+                     name: this.name });
+      }
+    }
+  }
+};
+
+/**
+ * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+ * each of `this.children`.
+ *
+ * @param aSep The separator.
+ */
+SourceNode.prototype.join = function SourceNode_join(aSep) {
+  var newChildren;
+  var i;
+  var len = this.children.length;
+  if (len > 0) {
+    newChildren = [];
+    for (i = 0; i < len-1; i++) {
+      newChildren.push(this.children[i]);
+      newChildren.push(aSep);
+    }
+    newChildren.push(this.children[i]);
+    this.children = newChildren;
+  }
+  return this;
+};
+
+/**
+ * Call String.prototype.replace on the very right-most source snippet. Useful
+ * for trimming whitespace from the end of a source node, etc.
+ *
+ * @param aPattern The pattern to replace.
+ * @param aReplacement The thing to replace the pattern with.
+ */
+SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+  var lastChild = this.children[this.children.length - 1];
+  if (lastChild[isSourceNode]) {
+    lastChild.replaceRight(aPattern, aReplacement);
+  }
+  else if (typeof lastChild === 'string') {
+    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+  }
+  else {
+    this.children.push(''.replace(aPattern, aReplacement));
+  }
+  return this;
+};
+
+/**
+ * Set the source content for a source file. This will be added to the SourceMapGenerator
+ * in the sourcesContent field.
+ *
+ * @param aSourceFile The filename of the source file
+ * @param aSourceContent The content of the source file
+ */
+SourceNode.prototype.setSourceContent =
+  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+  };
+
+/**
+ * Walk over the tree of SourceNodes. The walking function is called for each
+ * source file content and is passed the filename and source content.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walkSourceContents =
+  function SourceNode_walkSourceContents(aFn) {
+    for (var i = 0, len = this.children.length; i < len; i++) {
+      if (this.children[i][isSourceNode]) {
+        this.children[i].walkSourceContents(aFn);
+      }
+    }
+
+    var sources = Object.keys(this.sourceContents);
+    for (var i = 0, len = sources.length; i < len; i++) {
+      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
+    }
+  };
+
+/**
+ * Return the string representation of this source node. Walks over the tree
+ * and concatenates all the various snippets together to one string.
+ */
+SourceNode.prototype.toString = function SourceNode_toString() {
+  var str = "";
+  this.walk(function (chunk) {
+    str += chunk;
+  });
+  return str;
+};
+
+/**
+ * Returns the string representation of this source node along with a source
+ * map.
+ */
+SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+  var generated = {
+    code: "",
+    line: 1,
+    column: 0
+  };
+  var map = new SourceMapGenerator(aArgs);
+  var sourceMappingActive = false;
+  var lastOriginalSource = null;
+  var lastOriginalLine = null;
+  var lastOriginalColumn = null;
+  var lastOriginalName = null;
+  this.walk(function (chunk, original) {
+    generated.code += chunk;
+    if (original.source !== null
+        && original.line !== null
+        && original.column !== null) {
+      if(lastOriginalSource !== original.source
+         || lastOriginalLine !== original.line
+         || lastOriginalColumn !== original.column
+         || lastOriginalName !== original.name) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          },
+          name: original.name
+        });
+      }
+      lastOriginalSource = original.source;
+      lastOriginalLine = original.line;
+      lastOriginalColumn = original.column;
+      lastOriginalName = original.name;
+      sourceMappingActive = true;
+    } else if (sourceMappingActive) {
+      map.addMapping({
+        generated: {
+          line: generated.line,
+          column: generated.column
+        }
+      });
+      lastOriginalSource = null;
+      sourceMappingActive = false;
+    }
+    for (var idx = 0, length = chunk.length; idx < length; idx++) {
+      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
+        generated.line++;
+        generated.column = 0;
+        // Mappings end at eol
+        if (idx + 1 === length) {
+          lastOriginalSource = null;
+          sourceMappingActive = false;
+        } else if (sourceMappingActive) {
+          map.addMapping({
+            source: original.source,
+            original: {
+              line: original.line,
+              column: original.column
+            },
+            generated: {
+              line: generated.line,
+              column: generated.column
+            },
+            name: original.name
+          });
+        }
+      } else {
+        generated.column++;
+      }
+    }
+  });
+  this.walkSourceContents(function (sourceFile, sourceContent) {
+    map.setSourceContent(sourceFile, sourceContent);
+  });
+
+  return { code: generated.code, map: map };
+};
+
+exports.SourceNode = SourceNode;
diff --git a/node_modules/source-map/lib/util.js b/node_modules/source-map/lib/util.js
new file mode 100644
index 00000000..44e0e452
--- /dev/null
+++ b/node_modules/source-map/lib/util.js
@@ -0,0 +1,417 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+
+  var parts = path.split(/\/+/);
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+}
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = mappingA.source - mappingB.source;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return mappingA.name - mappingB.name;
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = mappingA.source - mappingB.source;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return mappingA.name - mappingB.name;
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
diff --git a/node_modules/source-map/package.json b/node_modules/source-map/package.json
new file mode 100644
index 00000000..048e3ae8
--- /dev/null
+++ b/node_modules/source-map/package.json
@@ -0,0 +1,72 @@
+{
+  "name": "source-map",
+  "description": "Generates and consumes source maps",
+  "version": "0.5.7",
+  "homepage": "https://github.com/mozilla/source-map",
+  "author": "Nick Fitzgerald <nfitzgerald@mozilla.com>",
+  "contributors": [
+    "Tobias Koppers <tobias.koppers@googlemail.com>",
+    "Duncan Beevers <duncan@dweebd.com>",
+    "Stephen Crane <scrane@mozilla.com>",
+    "Ryan Seddon <seddon.ryan@gmail.com>",
+    "Miles Elam <miles.elam@deem.com>",
+    "Mihai Bazon <mihai.bazon@gmail.com>",
+    "Michael Ficarra <github.public.email@michael.ficarra.me>",
+    "Todd Wolfson <todd@twolfson.com>",
+    "Alexander Solovyov <alexander@solovyov.net>",
+    "Felix Gnass <fgnass@gmail.com>",
+    "Conrad Irwin <conrad.irwin@gmail.com>",
+    "usrbincc <usrbincc@yahoo.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Chase Douglas <chase@newrelic.com>",
+    "Evan Wallace <evan.exe@gmail.com>",
+    "Heather Arthur <fayearthur@gmail.com>",
+    "Hugh Kennedy <hughskennedy@gmail.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Simon Lydell <simon.lydell@gmail.com>",
+    "Jmeas Smith <jellyes2@gmail.com>",
+    "Michael Z Goddard <mzgoddard@gmail.com>",
+    "azu <azu@users.noreply.github.com>",
+    "John Gozde <john@gozde.ca>",
+    "Adam Kirkton <akirkton@truefitinnovation.com>",
+    "Chris Montgomery <christopher.montgomery@dowjones.com>",
+    "J. Ryan Stinnett <jryans@gmail.com>",
+    "Jack Herrington <jherrington@walmartlabs.com>",
+    "Chris Truter <jeffpalentine@gmail.com>",
+    "Daniel Espeset <daniel@danielespeset.com>",
+    "Jamie Wong <jamie.lf.wong@gmail.com>",
+    "Eddy Bruël <ejpbruel@mozilla.com>",
+    "Hawken Rives <hawkrives@gmail.com>",
+    "Gilad Peleg <giladp007@gmail.com>",
+    "djchie <djchie.dev@gmail.com>",
+    "Gary Ye <garysye@gmail.com>",
+    "Nicolas Lalevée <nicolas.lalevee@hibnet.org>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mozilla/source-map.git"
+  },
+  "main": "./source-map.js",
+  "files": [
+    "source-map.js",
+    "lib/",
+    "dist/source-map.debug.js",
+    "dist/source-map.js",
+    "dist/source-map.min.js",
+    "dist/source-map.min.js.map"
+  ],
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "test": "npm run build && node test/run-tests.js",
+    "build": "webpack --color",
+    "toc": "doctoc --title '## Table of Contents' README.md && doctoc --title '## Table of Contents' CONTRIBUTING.md"
+  },
+  "devDependencies": {
+    "doctoc": "^0.15.0",
+    "webpack": "^1.12.0"
+  },
+  "typings": "source-map"
+}
diff --git a/node_modules/source-map/source-map.js b/node_modules/source-map/source-map.js
new file mode 100644
index 00000000..bc88fe82
--- /dev/null
+++ b/node_modules/source-map/source-map.js
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./lib/source-node').SourceNode;
diff --git a/node_modules/split-string/LICENSE b/node_modules/split-string/LICENSE
new file mode 100644
index 00000000..e33d14b7
--- /dev/null
+++ b/node_modules/split-string/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/split-string/README.md b/node_modules/split-string/README.md
new file mode 100644
index 00000000..d622e44d
--- /dev/null
+++ b/node_modules/split-string/README.md
@@ -0,0 +1,321 @@
+# split-string [![NPM version](https://img.shields.io/npm/v/split-string.svg?style=flat)](https://www.npmjs.com/package/split-string) [![NPM monthly downloads](https://img.shields.io/npm/dm/split-string.svg?style=flat)](https://npmjs.org/package/split-string) [![NPM total downloads](https://img.shields.io/npm/dt/split-string.svg?style=flat)](https://npmjs.org/package/split-string) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/split-string.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/split-string)
+
+> Split a string on a character except when the character is escaped.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save split-string
+```
+
+<!-- section: Why use this? -->
+
+<details>
+<summary><strong>Why use this?</strong></summary>
+
+<br>
+
+Although it's easy to split on a string:
+
+```js
+console.log('a.b.c'.split('.'));
+//=> ['a', 'b', 'c']
+```
+
+It's more challenging to split a string whilst respecting escaped or quoted characters.
+
+**Bad**
+
+```js
+console.log('a\\.b.c'.split('.'));
+//=> ['a\\', 'b', 'c']
+
+console.log('"a.b.c".d'.split('.'));
+//=> ['"a', 'b', 'c"', 'd']
+```
+
+**Good**
+
+```js
+var split = require('split-string');
+console.log(split('a\\.b.c'));
+//=> ['a.b', 'c']
+
+console.log(split('"a.b.c".d'));
+//=> ['a.b.c', 'd']
+```
+
+See the [options](#options) to learn how to choose the separator or retain quotes or escaping.
+
+<br>
+
+</details>
+
+## Usage
+
+```js
+var split = require('split-string');
+
+split('a.b.c');
+//=> ['a', 'b', 'c']
+
+// respects escaped characters
+split('a.b.c\\.d');
+//=> ['a', 'b', 'c.d']
+
+// respects double-quoted strings
+split('a."b.c.d".e');
+//=> ['a', 'b.c.d', 'e']
+```
+
+**Brackets**
+
+Also respects brackets [unless disabled](#optionsbrackets):
+
+```js
+split('a (b c d) e', ' ');
+//=> ['a', '(b c d)', 'e']
+```
+
+## Options
+
+### options.brackets
+
+**Type**: `object|boolean`
+
+**Default**: `undefined`
+
+**Description**
+
+If enabled, split-string will not split inside brackets. The following brackets types are supported when `options.brackets` is `true`,
+
+```js
+{
+  '<': '>',
+  '(': ')',
+  '[': ']',
+  '{': '}'
+}
+```
+
+Or, if object of brackets must be passed, each property on the object must be a bracket type, where the property key is the opening delimiter and property value is the closing delimiter.
+
+**Examples**
+
+```js
+// no bracket support by default
+split('a.{b.c}');
+//=> [ 'a', '{b', 'c}' ]
+
+// support all basic bracket types: "<>{}[]()"
+split('a.{b.c}', {brackets: true});
+//=> [ 'a', '{b.c}' ]
+
+// also supports nested brackets 
+split('a.{b.{c.d}.e}.f', {brackets: true});
+//=> [ 'a', '{b.{c.d}.e}', 'f' ]
+
+// support only the specified brackets
+split('[a.b].(c.d)', {brackets: {'[': ']'}});
+//=> [ '[a.b]', '(c', 'd)' ]
+```
+
+### options.sep
+
+**Type**: `string`
+
+**Default**: `.`
+
+The separator/character to split on.
+
+**Example**
+
+```js
+split('a.b,c', {sep: ','});
+//=> ['a.b', 'c']
+
+// you can also pass the separator as string as the last argument
+split('a.b,c', ',');
+//=> ['a.b', 'c']
+```
+
+### options.keepEscaping
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Keep backslashes in the result.
+
+**Example**
+
+```js
+split('a.b\\.c');
+//=> ['a', 'b.c']
+
+split('a.b.\\c', {keepEscaping: true});
+//=> ['a', 'b\.c']
+```
+
+### options.keepQuotes
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Keep single- or double-quotes in the result.
+
+**Example**
+
+```js
+split('a."b.c.d".e');
+//=> ['a', 'b.c.d', 'e']
+
+split('a."b.c.d".e', {keepQuotes: true});
+//=> ['a', '"b.c.d"', 'e']
+
+split('a.\'b.c.d\'.e', {keepQuotes: true});
+//=> ['a', '\'b.c.d\'', 'e']
+```
+
+### options.keepDoubleQuotes
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Keep double-quotes in the result.
+
+**Example**
+
+```js
+split('a."b.c.d".e');
+//=> ['a', 'b.c.d', 'e']
+
+split('a."b.c.d".e', {keepDoubleQuotes: true});
+//=> ['a', '"b.c.d"', 'e']
+```
+
+### options.keepSingleQuotes
+
+**Type**: `boolean`
+
+**Default**: `undefined`
+
+Keep single-quotes in the result.
+
+**Example**
+
+```js
+split('a.\'b.c.d\'.e');
+//=> ['a', 'b.c.d', 'e']
+
+split('a.\'b.c.d\'.e', {keepSingleQuotes: true});
+//=> ['a', '\'b.c.d\'', 'e']
+```
+
+## Customizer
+
+**Type**: `function`
+
+**Default**: `undefined`
+
+Pass a function as the last argument to customize how tokens are added to the array.
+
+**Example**
+
+```js
+var arr = split('a.b', function(tok) {
+  if (tok.arr[tok.arr.length - 1] === 'a') {
+    tok.split = false;
+  }
+});
+console.log(arr);
+//=> ['a.b']
+```
+
+**Properties**
+
+The `tok` object has the following properties:
+
+* `tok.val` (string) The current value about to be pushed onto the result array
+* `tok.idx` (number) the current index in the string
+* `tok.str` (string) the entire string
+* `tok.arr` (array) the result array
+
+## Release history
+
+### v3.0.0 - 2017-06-17
+
+**Added**
+
+* adds support for brackets
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [deromanize](https://www.npmjs.com/package/deromanize): Convert roman numerals to arabic numbers (useful for books, outlines, documentation, slide decks, etc) | [homepage](https://github.com/jonschlinkert/deromanize "Convert roman numerals to arabic numbers (useful for books, outlines, documentation, slide decks, etc)")
+* [randomatic](https://www.npmjs.com/package/randomatic): Generate randomized strings of a specified length using simple character sequences. The original generate-password. | [homepage](https://github.com/jonschlinkert/randomatic "Generate randomized strings of a specified length using simple character sequences. The original generate-password.")
+* [repeat-string](https://www.npmjs.com/package/repeat-string): Repeat the given string n times. Fastest implementation for repeating a string. | [homepage](https://github.com/jonschlinkert/repeat-string "Repeat the given string n times. Fastest implementation for repeating a string.")
+* [romanize](https://www.npmjs.com/package/romanize): Convert numbers to roman numerals (useful for books, outlines, documentation, slide decks, etc) | [homepage](https://github.com/jonschlinkert/romanize "Convert numbers to roman numerals (useful for books, outlines, documentation, slide decks, etc)")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 28 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 9 | [doowb](https://github.com/doowb) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on November 19, 2017._
\ No newline at end of file
diff --git a/node_modules/split-string/index.js b/node_modules/split-string/index.js
new file mode 100644
index 00000000..7bc0ea91
--- /dev/null
+++ b/node_modules/split-string/index.js
@@ -0,0 +1,171 @@
+/*!
+ * split-string <https://github.com/jonschlinkert/split-string>
+ *
+ * Copyright (c) 2015-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var extend = require('extend-shallow');
+
+module.exports = function(str, options, fn) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (typeof options === 'function') {
+    fn = options;
+    options = null;
+  }
+
+  // allow separator to be defined as a string
+  if (typeof options === 'string') {
+    options = { sep: options };
+  }
+
+  var opts = extend({sep: '.'}, options);
+  var quotes = opts.quotes || ['"', "'", '`'];
+  var brackets;
+
+  if (opts.brackets === true) {
+    brackets = {
+      '<': '>',
+      '(': ')',
+      '[': ']',
+      '{': '}'
+    };
+  } else if (opts.brackets) {
+    brackets = opts.brackets;
+  }
+
+  var tokens = [];
+  var stack = [];
+  var arr = [''];
+  var sep = opts.sep;
+  var len = str.length;
+  var idx = -1;
+  var closeIdx;
+
+  function expected() {
+    if (brackets && stack.length) {
+      return brackets[stack[stack.length - 1]];
+    }
+  }
+
+  while (++idx < len) {
+    var ch = str[idx];
+    var next = str[idx + 1];
+    var tok = { val: ch, idx: idx, arr: arr, str: str };
+    tokens.push(tok);
+
+    if (ch === '\\') {
+      tok.val = keepEscaping(opts, str, idx) === true ? (ch + next) : next;
+      tok.escaped = true;
+      if (typeof fn === 'function') {
+        fn(tok);
+      }
+      arr[arr.length - 1] += tok.val;
+      idx++;
+      continue;
+    }
+
+    if (brackets && brackets[ch]) {
+      stack.push(ch);
+      var e = expected();
+      var i = idx + 1;
+
+      if (str.indexOf(e, i + 1) !== -1) {
+        while (stack.length && i < len) {
+          var s = str[++i];
+          if (s === '\\') {
+            s++;
+            continue;
+          }
+
+          if (quotes.indexOf(s) !== -1) {
+            i = getClosingQuote(str, s, i + 1);
+            continue;
+          }
+
+          e = expected();
+          if (stack.length && str.indexOf(e, i + 1) === -1) {
+            break;
+          }
+
+          if (brackets[s]) {
+            stack.push(s);
+            continue;
+          }
+
+          if (e === s) {
+            stack.pop();
+          }
+        }
+      }
+
+      closeIdx = i;
+      if (closeIdx === -1) {
+        arr[arr.length - 1] += ch;
+        continue;
+      }
+
+      ch = str.slice(idx, closeIdx + 1);
+      tok.val = ch;
+      tok.idx = idx = closeIdx;
+    }
+
+    if (quotes.indexOf(ch) !== -1) {
+      closeIdx = getClosingQuote(str, ch, idx + 1);
+      if (closeIdx === -1) {
+        arr[arr.length - 1] += ch;
+        continue;
+      }
+
+      if (keepQuotes(ch, opts) === true) {
+        ch = str.slice(idx, closeIdx + 1);
+      } else {
+        ch = str.slice(idx + 1, closeIdx);
+      }
+
+      tok.val = ch;
+      tok.idx = idx = closeIdx;
+    }
+
+    if (typeof fn === 'function') {
+      fn(tok, tokens);
+      ch = tok.val;
+      idx = tok.idx;
+    }
+
+    if (tok.val === sep && tok.split !== false) {
+      arr.push('');
+      continue;
+    }
+
+    arr[arr.length - 1] += tok.val;
+  }
+
+  return arr;
+};
+
+function getClosingQuote(str, ch, i, brackets) {
+  var idx = str.indexOf(ch, i);
+  if (str.charAt(idx - 1) === '\\') {
+    return getClosingQuote(str, ch, idx + 1);
+  }
+  return idx;
+}
+
+function keepQuotes(ch, opts) {
+  if (opts.keepDoubleQuotes === true && ch === '"') return true;
+  if (opts.keepSingleQuotes === true && ch === "'") return true;
+  return opts.keepQuotes;
+}
+
+function keepEscaping(opts, str, idx) {
+  if (typeof opts.keepEscaping === 'function') {
+    return opts.keepEscaping(str, idx);
+  }
+  return opts.keepEscaping === true || str[idx + 1] === '\\';
+}
diff --git a/node_modules/split-string/package.json b/node_modules/split-string/package.json
new file mode 100644
index 00000000..8f490a24
--- /dev/null
+++ b/node_modules/split-string/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "split-string",
+  "description": "Split a string on a character except when the character is escaped.",
+  "version": "3.1.0",
+  "homepage": "https://github.com/jonschlinkert/split-string",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/split-string",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/split-string/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "extend-shallow": "^3.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "character",
+    "escape",
+    "split",
+    "string"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "titles": [
+      ".",
+      "install",
+      "Why use this?"
+    ],
+    "related": {
+      "list": [
+        "deromanize",
+        "randomatic",
+        "repeat-string",
+        "romanize"
+      ]
+    },
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/ssri/CHANGELOG.md b/node_modules/ssri/CHANGELOG.md
new file mode 100644
index 00000000..15c930b8
--- /dev/null
+++ b/node_modules/ssri/CHANGELOG.md
@@ -0,0 +1,296 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="6.0.2"></a>
+## [6.0.2](https://github.com/zkat/ssri/compare/v6.0.1...v6.0.2) (2021-04-07)
+
+
+### Bug Fixes
+
+* backport regex change from 8.0.1 ([b30dfdb](https://github.com/zkat/ssri/commit/b30dfdb)), closes [#19](https://github.com/zkat/ssri/issues/19)
+
+
+
+<a name="6.0.1"></a>
+## [6.0.1](https://github.com/zkat/ssri/compare/v6.0.0...v6.0.1) (2018-08-27)
+
+
+### Bug Fixes
+
+* **opts:** use figgy-pudding to specify consumed opts ([cf86553](https://github.com/zkat/ssri/commit/cf86553))
+
+
+
+<a name="6.0.0"></a>
+# [6.0.0](https://github.com/zkat/ssri/compare/v5.3.0...v6.0.0) (2018-04-09)
+
+
+### Bug Fixes
+
+* **docs:** minor typo ([b71ef17](https://github.com/zkat/ssri/commit/b71ef17))
+
+
+### meta
+
+* drop support for node@4 ([d9bf359](https://github.com/zkat/ssri/commit/d9bf359))
+
+
+### BREAKING CHANGES
+
+* node@4 is no longer supported
+
+
+
+<a name="5.3.0"></a>
+# [5.3.0](https://github.com/zkat/ssri/compare/v5.2.4...v5.3.0) (2018-03-13)
+
+
+### Features
+
+* **checkData:** optionally throw when checkData fails ([bf26b84](https://github.com/zkat/ssri/commit/bf26b84))
+
+
+
+<a name="5.2.4"></a>
+## [5.2.4](https://github.com/zkat/ssri/compare/v5.2.3...v5.2.4) (2018-02-16)
+
+
+
+<a name="5.2.3"></a>
+## [5.2.3](https://github.com/zkat/ssri/compare/v5.2.2...v5.2.3) (2018-02-16)
+
+
+### Bug Fixes
+
+* **hashes:** filter hash priority list by available hashes ([2fa30b8](https://github.com/zkat/ssri/commit/2fa30b8))
+* **integrityStream:** dedupe algorithms to generate ([d56c654](https://github.com/zkat/ssri/commit/d56c654))
+
+
+
+<a name="5.2.2"></a>
+## [5.2.2](https://github.com/zkat/ssri/compare/v5.2.1...v5.2.2) (2018-02-14)
+
+
+### Bug Fixes
+
+* **security:** tweak strict SRI regex ([#10](https://github.com/zkat/ssri/issues/10)) ([d0ebcdc](https://github.com/zkat/ssri/commit/d0ebcdc))
+
+
+
+<a name="5.2.1"></a>
+## [5.2.1](https://github.com/zkat/ssri/compare/v5.2.0...v5.2.1) (2018-02-06)
+
+
+
+<a name="5.2.0"></a>
+# [5.2.0](https://github.com/zkat/ssri/compare/v5.1.0...v5.2.0) (2018-02-06)
+
+
+### Features
+
+* **match:** add integrity.match() ([3c49cc4](https://github.com/zkat/ssri/commit/3c49cc4))
+
+
+
+<a name="5.1.0"></a>
+# [5.1.0](https://github.com/zkat/ssri/compare/v5.0.0...v5.1.0) (2018-01-18)
+
+
+### Bug Fixes
+
+* **checkStream:** integrityStream now takes opts.integrity algos into account ([d262910](https://github.com/zkat/ssri/commit/d262910))
+
+
+### Features
+
+* **sha3:** do some guesswork about upcoming sha3 ([7fdd9df](https://github.com/zkat/ssri/commit/7fdd9df))
+
+
+
+<a name="5.0.0"></a>
+# [5.0.0](https://github.com/zkat/ssri/compare/v4.1.6...v5.0.0) (2017-10-23)
+
+
+### Features
+
+* **license:** relicense to ISC (#9) ([c82983a](https://github.com/zkat/ssri/commit/c82983a))
+
+
+### BREAKING CHANGES
+
+* **license:** the license has been changed from CC0-1.0 to ISC.
+
+
+
+<a name="4.1.6"></a>
+## [4.1.6](https://github.com/zkat/ssri/compare/v4.1.5...v4.1.6) (2017-06-07)
+
+
+### Bug Fixes
+
+* **checkStream:** make sure to pass all opts through ([0b1bcbe](https://github.com/zkat/ssri/commit/0b1bcbe))
+
+
+
+<a name="4.1.5"></a>
+## [4.1.5](https://github.com/zkat/ssri/compare/v4.1.4...v4.1.5) (2017-06-05)
+
+
+### Bug Fixes
+
+* **integrityStream:** stop crashing if opts.algorithms and opts.integrity have an algo mismatch ([fb1293e](https://github.com/zkat/ssri/commit/fb1293e))
+
+
+
+<a name="4.1.4"></a>
+## [4.1.4](https://github.com/zkat/ssri/compare/v4.1.3...v4.1.4) (2017-05-31)
+
+
+### Bug Fixes
+
+* **node:** older versions of node[@4](https://github.com/4) do not support base64buffer string parsing ([513df4e](https://github.com/zkat/ssri/commit/513df4e))
+
+
+
+<a name="4.1.3"></a>
+## [4.1.3](https://github.com/zkat/ssri/compare/v4.1.2...v4.1.3) (2017-05-24)
+
+
+### Bug Fixes
+
+* **check:** handle various bad hash corner cases better ([c2c262b](https://github.com/zkat/ssri/commit/c2c262b))
+
+
+
+<a name="4.1.2"></a>
+## [4.1.2](https://github.com/zkat/ssri/compare/v4.1.1...v4.1.2) (2017-04-18)
+
+
+### Bug Fixes
+
+* **stream:** _flush can be called multiple times. use on("end") ([b1c4805](https://github.com/zkat/ssri/commit/b1c4805))
+
+
+
+<a name="4.1.1"></a>
+## [4.1.1](https://github.com/zkat/ssri/compare/v4.1.0...v4.1.1) (2017-04-12)
+
+
+### Bug Fixes
+
+* **pickAlgorithm:** error if pickAlgorithm() is used in an empty Integrity ([fab470e](https://github.com/zkat/ssri/commit/fab470e))
+
+
+
+<a name="4.1.0"></a>
+# [4.1.0](https://github.com/zkat/ssri/compare/v4.0.0...v4.1.0) (2017-04-07)
+
+
+### Features
+
+* adding ssri.create for a crypto style interface (#2) ([96f52ad](https://github.com/zkat/ssri/commit/96f52ad))
+
+
+
+<a name="4.0.0"></a>
+# [4.0.0](https://github.com/zkat/ssri/compare/v3.0.2...v4.0.0) (2017-04-03)
+
+
+### Bug Fixes
+
+* **integrity:** should have changed the error code before. oops ([8381afa](https://github.com/zkat/ssri/commit/8381afa))
+
+
+### BREAKING CHANGES
+
+* **integrity:** EBADCHECKSUM -> EINTEGRITY for verification errors
+
+
+
+<a name="3.0.2"></a>
+## [3.0.2](https://github.com/zkat/ssri/compare/v3.0.1...v3.0.2) (2017-04-03)
+
+
+
+<a name="3.0.1"></a>
+## [3.0.1](https://github.com/zkat/ssri/compare/v3.0.0...v3.0.1) (2017-04-03)
+
+
+### Bug Fixes
+
+* **package.json:** really should have these in the keywords because search ([a6ac6d0](https://github.com/zkat/ssri/commit/a6ac6d0))
+
+
+
+<a name="3.0.0"></a>
+# [3.0.0](https://github.com/zkat/ssri/compare/v2.0.0...v3.0.0) (2017-04-03)
+
+
+### Bug Fixes
+
+* **hashes:** IntegrityMetadata -> Hash ([d04aa1f](https://github.com/zkat/ssri/commit/d04aa1f))
+
+
+### Features
+
+* **check:** return IntegrityMetadata on check success ([2301e74](https://github.com/zkat/ssri/commit/2301e74))
+* **fromHex:** ssri.fromHex to make it easier to generate them from hex valus ([049b89e](https://github.com/zkat/ssri/commit/049b89e))
+* **hex:** utility function for getting hex version of digest ([a9f021c](https://github.com/zkat/ssri/commit/a9f021c))
+* **hexDigest:** added hexDigest method to Integrity objects too ([85208ba](https://github.com/zkat/ssri/commit/85208ba))
+* **integrity:** add .isIntegrity and .isIntegrityMetadata ([1b29e6f](https://github.com/zkat/ssri/commit/1b29e6f))
+* **integrityStream:** new stream that can both generate and check streamed data ([fd23e1b](https://github.com/zkat/ssri/commit/fd23e1b))
+* **parse:** allow parsing straight into a single IntegrityMetadata object ([c8ddf48](https://github.com/zkat/ssri/commit/c8ddf48))
+* **pickAlgorithm:** Intergrity#pickAlgorithm() added ([b97a796](https://github.com/zkat/ssri/commit/b97a796))
+* **size:** calculate and update stream sizes ([02ed1ad](https://github.com/zkat/ssri/commit/02ed1ad))
+
+
+### BREAKING CHANGES
+
+* **hashes:** `.isIntegrityMetadata` is now `.isHash`. Also, any references to `IntegrityMetadata` now refer to `Hash`.
+* **integrityStream:** createCheckerStream has been removed and replaced with a general-purpose integrityStream.
+
+To convert existing createCheckerStream code, move the `sri` argument into `opts.integrity` in integrityStream. All other options should be the same.
+* **check:** `checkData`, `checkStream`, and `createCheckerStream` now yield a whole IntegrityMetadata instance representing the first successful hash match.
+
+
+
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/zkat/ssri/compare/v1.0.0...v2.0.0) (2017-03-24)
+
+
+### Bug Fixes
+
+* **strict-mode:** make regexes more rigid ([122a32c](https://github.com/zkat/ssri/commit/122a32c))
+
+
+### Features
+
+* **api:** added serialize alias for unparse ([999b421](https://github.com/zkat/ssri/commit/999b421))
+* **concat:** add Integrity#concat() ([cae12c7](https://github.com/zkat/ssri/commit/cae12c7))
+* **pickAlgo:** pick the strongest algorithm provided, by default ([58c18f7](https://github.com/zkat/ssri/commit/58c18f7))
+* **strict-mode:** strict SRI support ([3f0b64c](https://github.com/zkat/ssri/commit/3f0b64c))
+* **stringify:** replaced unparse/serialize with stringify ([4acad30](https://github.com/zkat/ssri/commit/4acad30))
+* **verification:** add opts.pickAlgorithm ([f72e658](https://github.com/zkat/ssri/commit/f72e658))
+
+
+### BREAKING CHANGES
+
+* **pickAlgo:** ssri will prioritize specific hashes now
+* **stringify:** serialize and unparse have been removed. Use ssri.stringify instead.
+* **strict-mode:** functions that accepted an optional `sep` argument now expect `opts.sep`.
+
+
+
+<a name="1.0.0"></a>
+# 1.0.0 (2017-03-23)
+
+
+### Features
+
+* **api:** implemented initial api ([4fbb16b](https://github.com/zkat/ssri/commit/4fbb16b))
+
+
+### BREAKING CHANGES
+
+* **api:** Initial API established.
diff --git a/node_modules/ssri/LICENSE.md b/node_modules/ssri/LICENSE.md
new file mode 100644
index 00000000..8d28acf8
--- /dev/null
+++ b/node_modules/ssri/LICENSE.md
@@ -0,0 +1,16 @@
+ISC License
+
+Copyright (c) npm, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted, provided that the
+above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE COPYRIGHT HOLDER DISCLAIMS
+ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/ssri/README.md b/node_modules/ssri/README.md
new file mode 100644
index 00000000..c250961b
--- /dev/null
+++ b/node_modules/ssri/README.md
@@ -0,0 +1,488 @@
+# ssri [![npm version](https://img.shields.io/npm/v/ssri.svg)](https://npm.im/ssri) [![license](https://img.shields.io/npm/l/ssri.svg)](https://npm.im/ssri) [![Travis](https://img.shields.io/travis/zkat/ssri.svg)](https://travis-ci.org/zkat/ssri) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/zkat/ssri?svg=true)](https://ci.appveyor.com/project/zkat/ssri) [![Coverage Status](https://coveralls.io/repos/github/zkat/ssri/badge.svg?branch=latest)](https://coveralls.io/github/zkat/ssri?branch=latest)
+
+[`ssri`](https://github.com/zkat/ssri), short for Standard Subresource
+Integrity, is a Node.js utility for parsing, manipulating, serializing,
+generating, and verifying [Subresource
+Integrity](https://w3c.github.io/webappsec/specs/subresourceintegrity/) hashes.
+
+## Install
+
+`$ npm install --save ssri`
+
+## Table of Contents
+
+* [Example](#example)
+* [Features](#features)
+* [Contributing](#contributing)
+* [API](#api)
+  * Parsing & Serializing
+    * [`parse`](#parse)
+    * [`stringify`](#stringify)
+    * [`Integrity#concat`](#integrity-concat)
+    * [`Integrity#toString`](#integrity-to-string)
+    * [`Integrity#toJSON`](#integrity-to-json)
+    * [`Integrity#match`](#integrity-match)
+    * [`Integrity#pickAlgorithm`](#integrity-pick-algorithm)
+    * [`Integrity#hexDigest`](#integrity-hex-digest)
+  * Integrity Generation
+    * [`fromHex`](#from-hex)
+    * [`fromData`](#from-data)
+    * [`fromStream`](#from-stream)
+    * [`create`](#create)
+  * Integrity Verification
+    * [`checkData`](#check-data)
+    * [`checkStream`](#check-stream)
+    * [`integrityStream`](#integrity-stream)
+
+### Example
+
+```javascript
+const ssri = require('ssri')
+
+const integrity = 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+
+// Parsing and serializing
+const parsed = ssri.parse(integrity)
+ssri.stringify(parsed) // === integrity (works on non-Integrity objects)
+parsed.toString() // === integrity
+
+// Async stream functions
+ssri.checkStream(fs.createReadStream('./my-file'), integrity).then(...)
+ssri.fromStream(fs.createReadStream('./my-file')).then(sri => {
+  sri.toString() === integrity
+})
+fs.createReadStream('./my-file').pipe(ssri.createCheckerStream(sri))
+
+// Sync data functions
+ssri.fromData(fs.readFileSync('./my-file')) // === parsed
+ssri.checkData(fs.readFileSync('./my-file'), integrity) // => 'sha512'
+```
+
+### Features
+
+* Parses and stringifies SRI strings.
+* Generates SRI strings from raw data or Streams.
+* Strict standard compliance.
+* `?foo` metadata option support.
+* Multiple entries for the same algorithm.
+* Object-based integrity hash manipulation.
+* Small footprint: no dependencies, concise implementation.
+* Full test coverage.
+* Customizable algorithm picker.
+
+### Contributing
+
+The ssri team enthusiastically welcomes contributions and project participation!
+There's a bunch of things you can do if you want to contribute! The [Contributor
+Guide](CONTRIBUTING.md) has all the information you need for everything from
+reporting bugs to contributing entire new features. Please don't hesitate to
+jump in if you'd like to, or even ask us questions if something isn't clear.
+
+### API
+
+#### <a name="parse"></a> `> ssri.parse(sri, [opts]) -> Integrity`
+
+Parses `sri` into an `Integrity` data structure. `sri` can be an integrity
+string, an `Hash`-like with `digest` and `algorithm` fields and an optional
+`options` field, or an `Integrity`-like object. The resulting object will be an
+`Integrity` instance that has this shape:
+
+```javascript
+{
+  'sha1': [{algorithm: 'sha1', digest: 'deadbeef', options: []}],
+  'sha512': [
+    {algorithm: 'sha512', digest: 'c0ffee', options: []},
+    {algorithm: 'sha512', digest: 'bad1dea', options: ['foo']}
+  ],
+}
+```
+
+If `opts.single` is truthy, a single `Hash` object will be returned. That is, a
+single object that looks like `{algorithm, digest, options}`, as opposed to a
+larger object with multiple of these.
+
+If `opts.strict` is truthy, the resulting object will be filtered such that
+it strictly follows the Subresource Integrity spec, throwing away any entries
+with any invalid components. This also means a restricted set of algorithms
+will be used -- the spec limits them to `sha256`, `sha384`, and `sha512`.
+
+Strict mode is recommended if the integrity strings are intended for use in
+browsers, or in other situations where strict adherence to the spec is needed.
+
+##### Example
+
+```javascript
+ssri.parse('sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo') // -> Integrity object
+```
+
+#### <a name="stringify"></a> `> ssri.stringify(sri, [opts]) -> String`
+
+This function is identical to [`Integrity#toString()`](#integrity-to-string),
+except it can be used on _any_ object that [`parse`](#parse) can handle -- that
+is, a string, an `Hash`-like, or an `Integrity`-like.
+
+The `opts.sep` option defines the string to use when joining multiple entries
+together. To be spec-compliant, this _must_ be whitespace. The default is a
+single space (`' '`).
+
+If `opts.strict` is true, the integrity string will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+// Useful for cleaning up input SRI strings:
+ssri.stringify('\n\rsha512-foo\n\t\tsha384-bar')
+// -> 'sha512-foo sha384-bar'
+
+// Hash-like: only a single entry.
+ssri.stringify({
+  algorithm: 'sha512',
+  digest:'9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==',
+  options: ['foo']
+})
+// ->
+// 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+
+// Integrity-like: full multi-entry syntax. Similar to output of `ssri.parse`
+ssri.stringify({
+  'sha512': [
+    {
+      algorithm: 'sha512',
+      digest:'9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==',
+      options: ['foo']
+    }
+  ]
+})
+// ->
+// 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+```
+
+#### <a name="integrity-concat"></a> `> Integrity#concat(otherIntegrity, [opts]) -> Integrity`
+
+Concatenates an `Integrity` object with another IntegrityLike, or an integrity
+string.
+
+This is functionally equivalent to concatenating the string format of both
+integrity arguments, and calling [`ssri.parse`](#ssri-parse) on the new string.
+
+If `opts.strict` is true, the new `Integrity` will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+// This will combine the integrity checks for two different versions of
+// your index.js file so you can use a single integrity string and serve
+// either of these to clients, from a single `<script>` tag.
+const desktopIntegrity = ssri.fromData(fs.readFileSync('./index.desktop.js'))
+const mobileIntegrity = ssri.fromData(fs.readFileSync('./index.mobile.js'))
+
+// Note that browsers (and ssri) will succeed as long as ONE of the entries
+// for the *prioritized* algorithm succeeds. That is, in order for this fallback
+// to work, both desktop and mobile *must* use the same `algorithm` values.
+desktopIntegrity.concat(mobileIntegrity)
+```
+
+#### <a name="integrity-to-string"></a> `> Integrity#toString([opts]) -> String`
+
+Returns the string representation of an `Integrity` object. All hash entries
+will be concatenated in the string by `opts.sep`, which defaults to `' '`.
+
+If you want to serialize an object that didn't come from an `ssri` function,
+use [`ssri.stringify()`](#stringify).
+
+If `opts.strict` is true, the integrity string will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+const integrity = 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+
+ssri.parse(integrity).toString() === integrity
+```
+
+#### <a name="integrity-to-json"></a> `> Integrity#toJSON() -> String`
+
+Returns the string representation of an `Integrity` object. All hash entries
+will be concatenated in the string by `' '`.
+
+This is a convenience method so you can pass an `Integrity` object directly to `JSON.stringify`.
+For more info check out [toJSON() behavior on mdn](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#toJSON%28%29_behavior).
+
+##### Example
+
+```javascript
+const integrity = '"sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo"'
+
+JSON.stringify(ssri.parse(integrity)) === integrity
+```
+
+#### <a name="integrity-match"></a> `> Integrity#match(sri, [opts]) -> Hash | false`
+
+Returns the matching (truthy) hash if `Integrity` matches the argument passed as
+`sri`, which can be anything that [`parse`](#parse) will accept. `opts` will be
+passed through to `parse` and [`pickAlgorithm()`](#integrity-pick-algorithm).
+
+##### Example
+
+```javascript
+const integrity = 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A=='
+
+ssri.parse(integrity).match(integrity)
+// Hash {
+//   digest: '9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A=='
+//   algorithm: 'sha512'
+// }
+
+ssri.parse(integrity).match('sha1-deadbeef')
+// false
+```
+
+#### <a name="integrity-pick-algorithm"></a> `> Integrity#pickAlgorithm([opts]) -> String`
+
+Returns the "best" algorithm from those available in the integrity object.
+
+If `opts.pickAlgorithm` is provided, it will be passed two algorithms as
+arguments. ssri will prioritize whichever of the two algorithms is returned by
+this function. Note that the function may be called multiple times, and it
+**must** return one of the two algorithms provided. By default, ssri will make
+a best-effort to pick the strongest/most reliable of the given algorithms. It
+may intentionally deprioritize algorithms with known vulnerabilities.
+
+##### Example
+
+```javascript
+ssri.parse('sha1-WEakDigEST sha512-yzd8ELD1piyANiWnmdnpCL5F52f10UfUdEkHywVZeqTt0ymgrxR63Qz0GB7TKPoeeZQmWCaz7T1').pickAlgorithm() // sha512
+```
+
+#### <a name="integrity-hex-digest"></a> `> Integrity#hexDigest() -> String`
+
+`Integrity` is assumed to be either a single-hash `Integrity` instance, or a
+`Hash` instance. Returns its `digest`, converted to a hex representation of the
+base64 data.
+
+##### Example
+
+```javascript
+ssri.parse('sha1-deadbeef').hexDigest() // '75e69d6de79f'
+```
+
+#### <a name="from-hex"></a> `> ssri.fromHex(hexDigest, algorithm, [opts]) -> Integrity`
+
+Creates an `Integrity` object with a single entry, based on a hex-formatted
+hash. This is a utility function to help convert existing shasums to the
+Integrity format, and is roughly equivalent to something like:
+
+```javascript
+algorithm + '-' + Buffer.from(hexDigest, 'hex').toString('base64')
+```
+
+`opts.options` may optionally be passed in: it must be an array of option
+strings that will be added to all generated integrity hashes generated by
+`fromData`. This is a loosely-specified feature of SRIs, and currently has no
+specified semantics besides being `?`-separated. Use at your own risk, and
+probably avoid if your integrity strings are meant to be used with browsers.
+
+If `opts.strict` is true, the integrity object will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+If `opts.single` is true, a single `Hash` object will be returned.
+
+##### Example
+
+```javascript
+ssri.fromHex('75e69d6de79f', 'sha1').toString() // 'sha1-deadbeef'
+```
+
+#### <a name="from-data"></a> `> ssri.fromData(data, [opts]) -> Integrity`
+
+Creates an `Integrity` object from either string or `Buffer` data, calculating
+all the requested hashes and adding any specified options to the object.
+
+`opts.algorithms` determines which algorithms to generate hashes for. All
+results will be included in a single `Integrity` object. The default value for
+`opts.algorithms` is `['sha512']`. All algorithm strings must be hashes listed
+in `crypto.getHashes()` for the host Node.js platform.
+
+`opts.options` may optionally be passed in: it must be an array of option
+strings that will be added to all generated integrity hashes generated by
+`fromData`. This is a loosely-specified feature of SRIs, and currently has no
+specified semantics besides being `?`-separated. Use at your own risk, and
+probably avoid if your integrity strings are meant to be used with browsers.
+
+If `opts.strict` is true, the integrity object will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+const integrityObj = ssri.fromData('foobarbaz', {
+  algorithms: ['sha256', 'sha384', 'sha512']
+})
+integrity.toString('\n')
+// ->
+// sha256-l981iLWj8kurw4UbNy8Lpxqdzd7UOxS50Glhv8FwfZ0=
+// sha384-irnCxQ0CfQhYGlVAUdwTPC9bF3+YWLxlaDGM4xbYminxpbXEq+D+2GCEBTxcjES9
+// sha512-yzd8ELD1piyANiWnmdnpCL5F52f10UfUdEkHywVZeqTt0ymgrxR63Qz0GB7TKPoeeZQmWCaz7T1+9vBnypkYWg==
+```
+
+#### <a name="from-stream"></a> `> ssri.fromStream(stream, [opts]) -> Promise<Integrity>`
+
+Returns a Promise of an Integrity object calculated by reading data from
+a given `stream`.
+
+It accepts both `opts.algorithms` and `opts.options`, which are documented as
+part of [`ssri.fromData`](#from-data).
+
+Additionally, `opts.Promise` may be passed in to inject a Promise library of
+choice. By default, ssri will use Node's built-in Promises.
+
+If `opts.strict` is true, the integrity object will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+ssri.fromStream(fs.createReadStream('index.js'), {
+  algorithms: ['sha1', 'sha512']
+}).then(integrity => {
+  return ssri.checkStream(fs.createReadStream('index.js'), integrity)
+}) // succeeds
+```
+
+#### <a name="create"></a> `> ssri.create([opts]) -> <Hash>`
+
+Returns a Hash object with `update(<Buffer or string>[,enc])` and `digest()` methods.
+
+
+The Hash object provides the same methods as [crypto class Hash](https://nodejs.org/dist/latest-v6.x/docs/api/crypto.html#crypto_class_hash).
+`digest()` accepts no arguments and returns an Integrity object calculated by reading data from
+calls to update.
+
+It accepts both `opts.algorithms` and `opts.options`, which are documented as
+part of [`ssri.fromData`](#from-data).
+
+If `opts.strict` is true, the integrity object will be created using strict
+parsing rules. See [`ssri.parse`](#parse).
+
+##### Example
+
+```javascript
+const integrity = ssri.create().update('foobarbaz').digest()
+integrity.toString()
+// ->
+// sha512-yzd8ELD1piyANiWnmdnpCL5F52f10UfUdEkHywVZeqTt0ymgrxR63Qz0GB7TKPoeeZQmWCaz7T1+9vBnypkYWg==
+```
+
+#### <a name="check-data"></a> `> ssri.checkData(data, sri, [opts]) -> Hash|false`
+
+Verifies `data` integrity against an `sri` argument. `data` may be either a
+`String` or a `Buffer`, and `sri` can be any subresource integrity
+representation that [`ssri.parse`](#parse) can handle.
+
+If verification succeeds, `checkData` will return the name of the algorithm that
+was used for verification (a truthy value). Otherwise, it will return `false`.
+
+If `opts.pickAlgorithm` is provided, it will be used by
+[`Integrity#pickAlgorithm`](#integrity-pick-algorithm) when deciding which of
+the available digests to match against.
+
+If `opts.error` is true, and verification fails, `checkData` will throw either
+an `EBADSIZE` or an `EINTEGRITY` error, instead of just returning false.
+
+##### Example
+
+```javascript
+const data = fs.readFileSync('index.js')
+ssri.checkData(data, ssri.fromData(data)) // -> 'sha512'
+ssri.checkData(data, 'sha256-l981iLWj8kurw4UbNy8Lpxqdzd7UOxS50Glhv8FwfZ0')
+ssri.checkData(data, 'sha1-BaDDigEST') // -> false
+ssri.checkData(data, 'sha1-BaDDigEST', {error: true}) // -> Error! EINTEGRITY
+```
+
+#### <a name="check-stream"></a> `> ssri.checkStream(stream, sri, [opts]) -> Promise<Hash>`
+
+Verifies the contents of `stream` against an `sri` argument. `stream` will be
+consumed in its entirety by this process. `sri` can be any subresource integrity
+representation that [`ssri.parse`](#parse) can handle.
+
+`checkStream` will return a Promise that either resolves to the
+`Hash` that succeeded verification, or, if the verification fails
+or an error happens with `stream`, the Promise will be rejected.
+
+If the Promise is rejected because verification failed, the returned error will
+have `err.code` as `EINTEGRITY`.
+
+If `opts.size` is given, it will be matched against the stream size. An error
+with `err.code` `EBADSIZE` will be returned by a rejection if the expected size
+and actual size fail to match.
+
+If `opts.pickAlgorithm` is provided, it will be used by
+[`Integrity#pickAlgorithm`](#integrity-pick-algorithm) when deciding which of
+the available digests to match against.
+
+##### Example
+
+```javascript
+const integrity = ssri.fromData(fs.readFileSync('index.js'))
+
+ssri.checkStream(
+  fs.createReadStream('index.js'),
+  integrity
+)
+// ->
+// Promise<{
+//   algorithm: 'sha512',
+//   digest: 'sha512-yzd8ELD1piyANiWnmdnpCL5F52f10UfUdEkHywVZeqTt0ymgrxR63Qz0GB7TKPoeeZQmWCaz7T1'
+// }>
+
+ssri.checkStream(
+  fs.createReadStream('index.js'),
+  'sha256-l981iLWj8kurw4UbNy8Lpxqdzd7UOxS50Glhv8FwfZ0'
+) // -> Promise<Hash>
+
+ssri.checkStream(
+  fs.createReadStream('index.js'),
+  'sha1-BaDDigEST'
+) // -> Promise<Error<{code: 'EINTEGRITY'}>>
+```
+
+#### <a name="integrity-stream"></a> `> integrityStream([opts]) -> IntegrityStream`
+
+Returns a `Transform` stream that data can be piped through in order to generate
+and optionally check data integrity for piped data. When the stream completes
+successfully, it emits `size` and `integrity` events, containing the total
+number of bytes processed and a calculated `Integrity` instance based on stream
+data, respectively.
+
+If `opts.algorithms` is passed in, the listed algorithms will be calculated when
+generating the final `Integrity` instance. The default is `['sha512']`.
+
+If `opts.single` is passed in, a single `Hash` instance will be returned.
+
+If `opts.integrity` is passed in, it should be an `integrity` value understood
+by [`parse`](#parse) that the stream will check the data against. If
+verification succeeds, the integrity stream will emit a `verified` event whose
+value is a single `Hash` object that is the one that succeeded verification. If
+verification fails, the stream will error with an `EINTEGRITY` error code.
+
+If `opts.size` is given, it will be matched against the stream size. An error
+with `err.code` `EBADSIZE` will be emitted by the stream if the expected size
+and actual size fail to match.
+
+If `opts.pickAlgorithm` is provided, it will be passed two algorithms as
+arguments. ssri will prioritize whichever of the two algorithms is returned by
+this function. Note that the function may be called multiple times, and it
+**must** return one of the two algorithms provided. By default, ssri will make
+a best-effort to pick the strongest/most reliable of the given algorithms. It
+may intentionally deprioritize algorithms with known vulnerabilities.
+
+##### Example
+
+```javascript
+const integrity = ssri.fromData(fs.readFileSync('index.js'))
+fs.createReadStream('index.js')
+.pipe(ssri.integrityStream({integrity}))
+```
diff --git a/node_modules/ssri/index.js b/node_modules/ssri/index.js
new file mode 100644
index 00000000..673ed2ad
--- /dev/null
+++ b/node_modules/ssri/index.js
@@ -0,0 +1,395 @@
+'use strict'
+
+const crypto = require('crypto')
+const figgyPudding = require('figgy-pudding')
+const Transform = require('stream').Transform
+
+const SPEC_ALGORITHMS = ['sha256', 'sha384', 'sha512']
+
+const BASE64_REGEX = /^[a-z0-9+/]+(?:=?=?)$/i
+const SRI_REGEX = /^([^-]+)-([^?]+)([?\S*]*)$/
+const STRICT_SRI_REGEX = /^([^-]+)-([A-Za-z0-9+/=]{44,88})(\?[\x21-\x7E]*)?$/
+const VCHAR_REGEX = /^[\x21-\x7E]+$/
+
+const SsriOpts = figgyPudding({
+  algorithms: {default: ['sha512']},
+  error: {default: false},
+  integrity: {},
+  options: {default: []},
+  pickAlgorithm: {default: () => getPrioritizedHash},
+  Promise: {default: () => Promise},
+  sep: {default: ' '},
+  single: {default: false},
+  size: {},
+  strict: {default: false}
+})
+
+class Hash {
+  get isHash () { return true }
+  constructor (hash, opts) {
+    opts = SsriOpts(opts)
+    const strict = !!opts.strict
+    this.source = hash.trim()
+    // 3.1. Integrity metadata (called "Hash" by ssri)
+    // https://w3c.github.io/webappsec-subresource-integrity/#integrity-metadata-description
+    const match = this.source.match(
+      strict
+      ? STRICT_SRI_REGEX
+      : SRI_REGEX
+    )
+    if (!match) { return }
+    if (strict && !SPEC_ALGORITHMS.some(a => a === match[1])) { return }
+    this.algorithm = match[1]
+    this.digest = match[2]
+
+    const rawOpts = match[3]
+    this.options = rawOpts ? rawOpts.slice(1).split('?') : []
+  }
+  hexDigest () {
+    return this.digest && Buffer.from(this.digest, 'base64').toString('hex')
+  }
+  toJSON () {
+    return this.toString()
+  }
+  toString (opts) {
+    opts = SsriOpts(opts)
+    if (opts.strict) {
+      // Strict mode enforces the standard as close to the foot of the
+      // letter as it can.
+      if (!(
+        // The spec has very restricted productions for algorithms.
+        // https://www.w3.org/TR/CSP2/#source-list-syntax
+        SPEC_ALGORITHMS.some(x => x === this.algorithm) &&
+        // Usually, if someone insists on using a "different" base64, we
+        // leave it as-is, since there's multiple standards, and the
+        // specified is not a URL-safe variant.
+        // https://www.w3.org/TR/CSP2/#base64_value
+        this.digest.match(BASE64_REGEX) &&
+        // Option syntax is strictly visual chars.
+        // https://w3c.github.io/webappsec-subresource-integrity/#grammardef-option-expression
+        // https://tools.ietf.org/html/rfc5234#appendix-B.1
+        (this.options || []).every(opt => opt.match(VCHAR_REGEX))
+      )) {
+        return ''
+      }
+    }
+    const options = this.options && this.options.length
+    ? `?${this.options.join('?')}`
+    : ''
+    return `${this.algorithm}-${this.digest}${options}`
+  }
+}
+
+class Integrity {
+  get isIntegrity () { return true }
+  toJSON () {
+    return this.toString()
+  }
+  toString (opts) {
+    opts = SsriOpts(opts)
+    let sep = opts.sep || ' '
+    if (opts.strict) {
+      // Entries must be separated by whitespace, according to spec.
+      sep = sep.replace(/\S+/g, ' ')
+    }
+    return Object.keys(this).map(k => {
+      return this[k].map(hash => {
+        return Hash.prototype.toString.call(hash, opts)
+      }).filter(x => x.length).join(sep)
+    }).filter(x => x.length).join(sep)
+  }
+  concat (integrity, opts) {
+    opts = SsriOpts(opts)
+    const other = typeof integrity === 'string'
+    ? integrity
+    : stringify(integrity, opts)
+    return parse(`${this.toString(opts)} ${other}`, opts)
+  }
+  hexDigest () {
+    return parse(this, {single: true}).hexDigest()
+  }
+  match (integrity, opts) {
+    opts = SsriOpts(opts)
+    const other = parse(integrity, opts)
+    const algo = other.pickAlgorithm(opts)
+    return (
+      this[algo] &&
+      other[algo] &&
+      this[algo].find(hash =>
+        other[algo].find(otherhash =>
+          hash.digest === otherhash.digest
+        )
+      )
+    ) || false
+  }
+  pickAlgorithm (opts) {
+    opts = SsriOpts(opts)
+    const pickAlgorithm = opts.pickAlgorithm
+    const keys = Object.keys(this)
+    if (!keys.length) {
+      throw new Error(`No algorithms available for ${
+        JSON.stringify(this.toString())
+      }`)
+    }
+    return keys.reduce((acc, algo) => {
+      return pickAlgorithm(acc, algo) || acc
+    })
+  }
+}
+
+module.exports.parse = parse
+function parse (sri, opts) {
+  opts = SsriOpts(opts)
+  if (typeof sri === 'string') {
+    return _parse(sri, opts)
+  } else if (sri.algorithm && sri.digest) {
+    const fullSri = new Integrity()
+    fullSri[sri.algorithm] = [sri]
+    return _parse(stringify(fullSri, opts), opts)
+  } else {
+    return _parse(stringify(sri, opts), opts)
+  }
+}
+
+function _parse (integrity, opts) {
+  // 3.4.3. Parse metadata
+  // https://w3c.github.io/webappsec-subresource-integrity/#parse-metadata
+  if (opts.single) {
+    return new Hash(integrity, opts)
+  }
+  return integrity.trim().split(/\s+/).reduce((acc, string) => {
+    const hash = new Hash(string, opts)
+    if (hash.algorithm && hash.digest) {
+      const algo = hash.algorithm
+      if (!acc[algo]) { acc[algo] = [] }
+      acc[algo].push(hash)
+    }
+    return acc
+  }, new Integrity())
+}
+
+module.exports.stringify = stringify
+function stringify (obj, opts) {
+  opts = SsriOpts(opts)
+  if (obj.algorithm && obj.digest) {
+    return Hash.prototype.toString.call(obj, opts)
+  } else if (typeof obj === 'string') {
+    return stringify(parse(obj, opts), opts)
+  } else {
+    return Integrity.prototype.toString.call(obj, opts)
+  }
+}
+
+module.exports.fromHex = fromHex
+function fromHex (hexDigest, algorithm, opts) {
+  opts = SsriOpts(opts)
+  const optString = opts.options && opts.options.length
+  ? `?${opts.options.join('?')}`
+  : ''
+  return parse(
+    `${algorithm}-${
+      Buffer.from(hexDigest, 'hex').toString('base64')
+    }${optString}`, opts
+  )
+}
+
+module.exports.fromData = fromData
+function fromData (data, opts) {
+  opts = SsriOpts(opts)
+  const algorithms = opts.algorithms
+  const optString = opts.options && opts.options.length
+  ? `?${opts.options.join('?')}`
+  : ''
+  return algorithms.reduce((acc, algo) => {
+    const digest = crypto.createHash(algo).update(data).digest('base64')
+    const hash = new Hash(
+      `${algo}-${digest}${optString}`,
+       opts
+    )
+    if (hash.algorithm && hash.digest) {
+      const algo = hash.algorithm
+      if (!acc[algo]) { acc[algo] = [] }
+      acc[algo].push(hash)
+    }
+    return acc
+  }, new Integrity())
+}
+
+module.exports.fromStream = fromStream
+function fromStream (stream, opts) {
+  opts = SsriOpts(opts)
+  const P = opts.Promise || Promise
+  const istream = integrityStream(opts)
+  return new P((resolve, reject) => {
+    stream.pipe(istream)
+    stream.on('error', reject)
+    istream.on('error', reject)
+    let sri
+    istream.on('integrity', s => { sri = s })
+    istream.on('end', () => resolve(sri))
+    istream.on('data', () => {})
+  })
+}
+
+module.exports.checkData = checkData
+function checkData (data, sri, opts) {
+  opts = SsriOpts(opts)
+  sri = parse(sri, opts)
+  if (!Object.keys(sri).length) {
+    if (opts.error) {
+      throw Object.assign(
+        new Error('No valid integrity hashes to check against'), {
+          code: 'EINTEGRITY'
+        }
+      )
+    } else {
+      return false
+    }
+  }
+  const algorithm = sri.pickAlgorithm(opts)
+  const digest = crypto.createHash(algorithm).update(data).digest('base64')
+  const newSri = parse({algorithm, digest})
+  const match = newSri.match(sri, opts)
+  if (match || !opts.error) {
+    return match
+  } else if (typeof opts.size === 'number' && (data.length !== opts.size)) {
+    const err = new Error(`data size mismatch when checking ${sri}.\n  Wanted: ${opts.size}\n  Found: ${data.length}`)
+    err.code = 'EBADSIZE'
+    err.found = data.length
+    err.expected = opts.size
+    err.sri = sri
+    throw err
+  } else {
+    const err = new Error(`Integrity checksum failed when using ${algorithm}: Wanted ${sri}, but got ${newSri}. (${data.length} bytes)`)
+    err.code = 'EINTEGRITY'
+    err.found = newSri
+    err.expected = sri
+    err.algorithm = algorithm
+    err.sri = sri
+    throw err
+  }
+}
+
+module.exports.checkStream = checkStream
+function checkStream (stream, sri, opts) {
+  opts = SsriOpts(opts)
+  const P = opts.Promise || Promise
+  const checker = integrityStream(opts.concat({
+    integrity: sri
+  }))
+  return new P((resolve, reject) => {
+    stream.pipe(checker)
+    stream.on('error', reject)
+    checker.on('error', reject)
+    let sri
+    checker.on('verified', s => { sri = s })
+    checker.on('end', () => resolve(sri))
+    checker.on('data', () => {})
+  })
+}
+
+module.exports.integrityStream = integrityStream
+function integrityStream (opts) {
+  opts = SsriOpts(opts)
+  // For verification
+  const sri = opts.integrity && parse(opts.integrity, opts)
+  const goodSri = sri && Object.keys(sri).length
+  const algorithm = goodSri && sri.pickAlgorithm(opts)
+  const digests = goodSri && sri[algorithm]
+  // Calculating stream
+  const algorithms = Array.from(
+    new Set(opts.algorithms.concat(algorithm ? [algorithm] : []))
+  )
+  const hashes = algorithms.map(crypto.createHash)
+  let streamSize = 0
+  const stream = new Transform({
+    transform (chunk, enc, cb) {
+      streamSize += chunk.length
+      hashes.forEach(h => h.update(chunk, enc))
+      cb(null, chunk, enc)
+    }
+  }).on('end', () => {
+    const optString = (opts.options && opts.options.length)
+    ? `?${opts.options.join('?')}`
+    : ''
+    const newSri = parse(hashes.map((h, i) => {
+      return `${algorithms[i]}-${h.digest('base64')}${optString}`
+    }).join(' '), opts)
+    // Integrity verification mode
+    const match = goodSri && newSri.match(sri, opts)
+    if (typeof opts.size === 'number' && streamSize !== opts.size) {
+      const err = new Error(`stream size mismatch when checking ${sri}.\n  Wanted: ${opts.size}\n  Found: ${streamSize}`)
+      err.code = 'EBADSIZE'
+      err.found = streamSize
+      err.expected = opts.size
+      err.sri = sri
+      stream.emit('error', err)
+    } else if (opts.integrity && !match) {
+      const err = new Error(`${sri} integrity checksum failed when using ${algorithm}: wanted ${digests} but got ${newSri}. (${streamSize} bytes)`)
+      err.code = 'EINTEGRITY'
+      err.found = newSri
+      err.expected = digests
+      err.algorithm = algorithm
+      err.sri = sri
+      stream.emit('error', err)
+    } else {
+      stream.emit('size', streamSize)
+      stream.emit('integrity', newSri)
+      match && stream.emit('verified', match)
+    }
+  })
+  return stream
+}
+
+module.exports.create = createIntegrity
+function createIntegrity (opts) {
+  opts = SsriOpts(opts)
+  const algorithms = opts.algorithms
+  const optString = opts.options.length
+  ? `?${opts.options.join('?')}`
+  : ''
+
+  const hashes = algorithms.map(crypto.createHash)
+
+  return {
+    update: function (chunk, enc) {
+      hashes.forEach(h => h.update(chunk, enc))
+      return this
+    },
+    digest: function (enc) {
+      const integrity = algorithms.reduce((acc, algo) => {
+        const digest = hashes.shift().digest('base64')
+        const hash = new Hash(
+          `${algo}-${digest}${optString}`,
+          opts
+        )
+        if (hash.algorithm && hash.digest) {
+          const algo = hash.algorithm
+          if (!acc[algo]) { acc[algo] = [] }
+          acc[algo].push(hash)
+        }
+        return acc
+      }, new Integrity())
+
+      return integrity
+    }
+  }
+}
+
+const NODE_HASHES = new Set(crypto.getHashes())
+
+// This is a Best Effort™ at a reasonable priority for hash algos
+const DEFAULT_PRIORITY = [
+  'md5', 'whirlpool', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512',
+  // TODO - it's unclear _which_ of these Node will actually use as its name
+  //        for the algorithm, so we guesswork it based on the OpenSSL names.
+  'sha3',
+  'sha3-256', 'sha3-384', 'sha3-512',
+  'sha3_256', 'sha3_384', 'sha3_512'
+].filter(algo => NODE_HASHES.has(algo))
+
+function getPrioritizedHash (algo1, algo2) {
+  return DEFAULT_PRIORITY.indexOf(algo1.toLowerCase()) >= DEFAULT_PRIORITY.indexOf(algo2.toLowerCase())
+  ? algo1
+  : algo2
+}
diff --git a/node_modules/ssri/package.json b/node_modules/ssri/package.json
new file mode 100644
index 00000000..b496c7f0
--- /dev/null
+++ b/node_modules/ssri/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "ssri",
+  "version": "6.0.2",
+  "description": "Standard Subresource Integrity library --  parses, serializes, generates, and verifies integrity metadata according to the SRI spec.",
+  "main": "index.js",
+  "files": [
+    "*.js"
+  ],
+  "scripts": {
+    "prerelease": "npm t",
+    "postrelease": "npm publish && git push --follow-tags",
+    "pretest": "standard",
+    "release": "standard-version -s",
+    "test": "tap -J --coverage test/*.js",
+    "update-coc": "weallbehave -o . && git add CODE_OF_CONDUCT.md && git commit -m 'docs(coc): updated CODE_OF_CONDUCT.md'",
+    "update-contrib": "weallcontribute -o . && git add CONTRIBUTING.md && git commit -m 'docs(contributing): updated CONTRIBUTING.md'"
+  },
+  "repository": "https://github.com/zkat/ssri",
+  "keywords": [
+    "w3c",
+    "web",
+    "security",
+    "integrity",
+    "checksum",
+    "hashing",
+    "subresource integrity",
+    "sri",
+    "sri hash",
+    "sri string",
+    "sri generator",
+    "html"
+  ],
+  "author": {
+    "name": "Kat Marchán",
+    "email": "kzm@sykosomatic.org",
+    "twitter": "maybekatz"
+  },
+  "license": "ISC",
+  "dependencies": {
+    "figgy-pudding": "^3.5.1"
+  },
+  "devDependencies": {
+    "nyc": "^11.4.1",
+    "standard": "^10.0.3",
+    "standard-version": "^4.3.0",
+    "tap": "^11.1.0",
+    "weallbehave": "^1.2.0",
+    "weallcontribute": "^1.0.8"
+  },
+  "config": {
+    "nyc": {
+      "exclude": [
+        "node_modules/**",
+        "test/**"
+      ]
+    }
+  }
+}
diff --git a/node_modules/static-extend/LICENSE b/node_modules/static-extend/LICENSE
new file mode 100644
index 00000000..e28e6032
--- /dev/null
+++ b/node_modules/static-extend/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/static-extend/index.js b/node_modules/static-extend/index.js
new file mode 100644
index 00000000..f4124b2a
--- /dev/null
+++ b/node_modules/static-extend/index.js
@@ -0,0 +1,90 @@
+/*!
+ * static-extend <https://github.com/jonschlinkert/static-extend>
+ *
+ * Copyright (c) 2016, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var copy = require('object-copy');
+var define = require('define-property');
+var util = require('util');
+
+/**
+ * Returns a function for extending the static properties,
+ * prototype properties, and descriptors from the `Parent`
+ * constructor onto `Child` constructors.
+ *
+ * ```js
+ * var extend = require('static-extend');
+ * Parent.extend = extend(Parent);
+ *
+ * // optionally pass a custom merge function as the second arg
+ * Parent.extend = extend(Parent, function(Child) {
+ *   Child.prototype.mixin = function(key, val) {
+ *     Child.prototype[key] = val;
+ *   };
+ * });
+ *
+ * // extend "child" constructors
+ * Parent.extend(Child);
+ *
+ * // optionally define prototype methods as the second arg
+ * Parent.extend(Child, {
+ *   foo: function() {},
+ *   bar: function() {}
+ * });
+ * ```
+ * @param {Function} `Parent` Parent ctor
+ * @param {Function} `extendFn` Optional extend function for handling any necessary custom merging. Useful when updating methods that require a specific prototype.
+ *   @param {Function} `Child` Child ctor
+ *   @param {Object} `proto` Optionally pass additional prototype properties to inherit.
+ *   @return {Object}
+ * @api public
+ */
+
+function extend(Parent, extendFn) {
+  if (typeof Parent !== 'function') {
+    throw new TypeError('expected Parent to be a function.');
+  }
+
+  return function(Ctor, proto) {
+    if (typeof Ctor !== 'function') {
+      throw new TypeError('expected Ctor to be a function.');
+    }
+
+    util.inherits(Ctor, Parent);
+    copy(Ctor, Parent);
+
+    // proto can be null or a plain object
+    if (typeof proto === 'object') {
+      var obj = Object.create(proto);
+
+      for (var k in obj) {
+        Ctor.prototype[k] = obj[k];
+      }
+    }
+
+    // keep a reference to the parent prototype
+    define(Ctor.prototype, '_parent_', {
+      configurable: true,
+      set: function() {},
+      get: function() {
+        return Parent.prototype;
+      }
+    });
+
+    if (typeof extendFn === 'function') {
+      extendFn(Ctor, Parent);
+    }
+
+    Ctor.extend = extend(Ctor, extendFn);
+  };
+};
+
+/**
+ * Expose `extend`
+ */
+
+module.exports = extend;
diff --git a/node_modules/static-extend/node_modules/define-property/LICENSE b/node_modules/static-extend/node_modules/define-property/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/static-extend/node_modules/define-property/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/static-extend/node_modules/define-property/README.md b/node_modules/static-extend/node_modules/define-property/README.md
new file mode 100644
index 00000000..8cac698a
--- /dev/null
+++ b/node_modules/static-extend/node_modules/define-property/README.md
@@ -0,0 +1,77 @@
+# define-property [![NPM version](https://badge.fury.io/js/define-property.svg)](http://badge.fury.io/js/define-property)
+
+> Define a non-enumerable property on an object.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i define-property --save
+```
+
+## Usage
+
+**Params**
+
+* `obj`: The object on which to define the property.
+* `prop`: The name of the property to be defined or modified.
+* `descriptor`: The descriptor for the property being defined or modified.
+
+```js
+var define = require('define-property');
+var obj = {};
+define(obj, 'foo', function(val) {
+  return val.toUpperCase();
+});
+
+console.log(obj);
+//=> {}
+
+console.log(obj.foo('bar'));
+//=> 'BAR'
+```
+
+**get/set**
+
+```js
+define(obj, 'foo', {
+  get: function() {},
+  set: function() {}
+});
+```
+
+## Related projects
+
+* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
+* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-object)
+* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
+* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 31, 2015._
diff --git a/node_modules/static-extend/node_modules/define-property/index.js b/node_modules/static-extend/node_modules/define-property/index.js
new file mode 100644
index 00000000..3e0e5e13
--- /dev/null
+++ b/node_modules/static-extend/node_modules/define-property/index.js
@@ -0,0 +1,31 @@
+/*!
+ * define-property <https://github.com/jonschlinkert/define-property>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isDescriptor = require('is-descriptor');
+
+module.exports = function defineProperty(obj, prop, val) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
+    throw new TypeError('expected an object or function.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('expected `prop` to be a string.');
+  }
+
+  if (isDescriptor(val) && ('set' in val || 'get' in val)) {
+    return Object.defineProperty(obj, prop, val);
+  }
+
+  return Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: false,
+    writable: true,
+    value: val
+  });
+};
diff --git a/node_modules/static-extend/node_modules/define-property/package.json b/node_modules/static-extend/node_modules/define-property/package.json
new file mode 100644
index 00000000..43561bf5
--- /dev/null
+++ b/node_modules/static-extend/node_modules/define-property/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "define-property",
+  "description": "Define a non-enumerable property on an object.",
+  "version": "0.2.5",
+  "homepage": "https://github.com/jonschlinkert/define-property",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/define-property",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/define-property/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "define",
+    "define-property",
+    "enumerable",
+    "key",
+    "non",
+    "non-enumerable",
+    "object",
+    "prop",
+    "property",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "mixin-deep",
+        "mixin-object",
+        "delegate-object",
+        "forward-object"
+      ]
+    }
+  },
+  "dependencies": {
+    "is-descriptor": "^0.1.0"
+  }
+}
diff --git a/node_modules/static-extend/node_modules/is-descriptor/.editorconfig b/node_modules/static-extend/node_modules/is-descriptor/.editorconfig
new file mode 100644
index 00000000..449f0da4
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/.editorconfig
@@ -0,0 +1,14 @@
+# http://editorconfig.org/
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{**/{actual,fixtures,expected,templates}/**,*.md}]
+trim_trailing_whitespace = false
+insert_final_newline = false
diff --git a/node_modules/static-extend/node_modules/is-descriptor/.eslintrc b/node_modules/static-extend/node_modules/is-descriptor/.eslintrc
new file mode 100644
index 00000000..24e5090e
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": "warn",
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*.js",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/node_modules/static-extend/node_modules/is-descriptor/.gitattributes b/node_modules/static-extend/node_modules/is-descriptor/.gitattributes
new file mode 100644
index 00000000..660957e7
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/.gitattributes
@@ -0,0 +1,10 @@
+# Enforce Unix newlines
+* text eol=lf
+
+# binaries
+*.ai binary
+*.psd binary
+*.jpg binary
+*.gif binary
+*.png binary
+*.jpeg binary
diff --git a/node_modules/static-extend/node_modules/is-descriptor/.github/FUNDING.yml b/node_modules/static-extend/node_modules/is-descriptor/.github/FUNDING.yml
new file mode 100644
index 00000000..37535da6
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-descriptor
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/static-extend/node_modules/is-descriptor/.nycrc b/node_modules/static-extend/node_modules/is-descriptor/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/static-extend/node_modules/is-descriptor/CHANGELOG.md b/node_modules/static-extend/node_modules/is-descriptor/CHANGELOG.md
new file mode 100644
index 00000000..4963353e
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/CHANGELOG.md
@@ -0,0 +1,144 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v3.1.0](https://github.com/inspect-js/is-descriptor/compare/v3.0.0...v3.1.0) - 2023-05-01
+
+### Commits
+
+- [eslint] cleanup [`1f4e8cd`](https://github.com/inspect-js/is-descriptor/commit/1f4e8cdb49b4b15666a782f3f05e6f4f0146b9ab)
+- [Tests] travis -&gt; Github Actions; add `safe-publish-latest`, `npmignore`, `auto-changelog`, `evalmd`, `aud` [`5993285`](https://github.com/inspect-js/is-descriptor/commit/5993285a122ef7bf5b91cba3b486f96a1f94f552)
+- [readme] clean up docs, URLs, package.json, etc [`8807164`](https://github.com/inspect-js/is-descriptor/commit/88071644c15d543c7830e6ac00a5ed8531c82750)
+- [Docs] remove verb [`0bc26a3`](https://github.com/inspect-js/is-descriptor/commit/0bc26a306f02241e6c5c506e95c53ca828031c05)
+- [Tests] convert from mocha to tape [`1604d7f`](https://github.com/inspect-js/is-descriptor/commit/1604d7feebd776b0fb67163e3013cc6d5ab9fd6b)
+- [New] increase support from node 6 down to node 0.4 [`7893404`](https://github.com/inspect-js/is-descriptor/commit/789340412f4028d46a3121466a25497716b94402)
+- [Tests] add coverage [`1dcc45e`](https://github.com/inspect-js/is-descriptor/commit/1dcc45ed57aebc83ba0588c232663f4164a7d0a8)
+- [Fix] when an object/key pair is provided, check arguments.length instead of key truthiness [`d1edefe`](https://github.com/inspect-js/is-descriptor/commit/d1edefef56c7eeaab385b1704417b314f197034d)
+- [meta] switch from `files` field to npmignore; add `exports` [`c64d3d3`](https://github.com/inspect-js/is-descriptor/commit/c64d3d356d459f2e73198841f93fb902895875b4)
+
+## [v3.0.0](https://github.com/inspect-js/is-descriptor/compare/v2.0.0...v3.0.0) - 2018-12-13
+
+### Commits
+
+- refactor [`7f7e2c8`](https://github.com/inspect-js/is-descriptor/commit/7f7e2c865674526424f5cd1fb98f0ed7811a67f9)
+
+## [v2.0.0](https://github.com/inspect-js/is-descriptor/compare/v1.0.3...v2.0.0) - 2017-12-28
+
+### Commits
+
+- run verb to generate readme [`7d97594`](https://github.com/inspect-js/is-descriptor/commit/7d97594666afaa825e0421883507cfec04ceef1d)
+- upgrade is-accessor-descriptor [`2e2cb1e`](https://github.com/inspect-js/is-descriptor/commit/2e2cb1e723d2ca1d6b8580d384702700e26dda81)
+- run update [`c04832a`](https://github.com/inspect-js/is-descriptor/commit/c04832a3a2bf48bef2ea0f5844652da7d6209242)
+
+## [v1.0.3](https://github.com/inspect-js/is-descriptor/compare/v1.0.2...v1.0.3) - 2023-10-26
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v1.0.2](https://github.com/inspect-js/is-descriptor/compare/v1.0.1...v1.0.2) - 2017-12-28
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+## [v1.0.1](https://github.com/inspect-js/is-descriptor/compare/v1.0.0...v1.0.1) - 2017-07-22
+
+### Commits
+
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+
+## [v1.0.0](https://github.com/inspect-js/is-descriptor/compare/v0.1.7...v1.0.0) - 2017-02-25
+
+## [v0.1.7](https://github.com/inspect-js/is-descriptor/compare/v0.1.6...v0.1.7) - 2023-10-26
+
+### Merged
+
+- Update dependencies [`#5`](https://github.com/inspect-js/is-descriptor/pull/5)
+
+### Commits
+
+- [eslint] actually use eslint [`8bcf028`](https://github.com/inspect-js/is-descriptor/commit/8bcf0288c53c80297e6109f7632dab9b7b7fb5c5)
+- [meta] update package.json, gitignore from main [`544cdfe`](https://github.com/inspect-js/is-descriptor/commit/544cdfe60f5a4db8aa1b02de93b326271fa82ec1)
+- [readme] update readme from main [`1130f79`](https://github.com/inspect-js/is-descriptor/commit/1130f79112bd1d36ca5b0806a4ad14ae9427e0e9)
+- [Tests] switch to tape [`3f8f094`](https://github.com/inspect-js/is-descriptor/commit/3f8f0947049e4f2d631f88f0374e2b4a4e058577)
+- [Docs] remove verb [`92ee1bf`](https://github.com/inspect-js/is-descriptor/commit/92ee1bfcc56ba2cd30503c87af8e8cd795fdca51)
+- [Tests] migrate from travis to github actions [`8da3a3c`](https://github.com/inspect-js/is-descriptor/commit/8da3a3c38d50b4e9e18865efd25c6d35f98852b6)
+- run update, lint [`754cc73`](https://github.com/inspect-js/is-descriptor/commit/754cc7382bd439f8e8b91775479c59c7c996cd47)
+- [Fix] a descriptor with `set` and not `get` is still an accessor descriptor [`269fb53`](https://github.com/inspect-js/is-descriptor/commit/269fb5374659a8c07aac88993b13d94197e9cbed)
+- [patch] switch from `files` to `exports` [`41b2d61`](https://github.com/inspect-js/is-descriptor/commit/41b2d6152438119120b8d24ff98ebfb79cb19007)
+- [Fix] allow any non-primitive; arrays and functions are objects too [`9fd1ac8`](https://github.com/inspect-js/is-descriptor/commit/9fd1ac80cd42600510dc76de74da9a3834c4358d)
+- update deps [`2b58af6`](https://github.com/inspect-js/is-descriptor/commit/2b58af6426d0700607419b096766829aff27f642)
+- [Deps] update `is-accessor-descriptor`, `is-data-descriptor` [`f4dbc73`](https://github.com/inspect-js/is-descriptor/commit/f4dbc7327e9df005d3d6130af2ea612426a45081)
+- v0.x line: v1 and v0 are the same, so, branch v0 from 1.x [`91be723`](https://github.com/inspect-js/is-descriptor/commit/91be72399c3066950d2414a6d2f091e1074625cd)
+- [Tests] make a test dir [`9eaa17c`](https://github.com/inspect-js/is-descriptor/commit/9eaa17c3cbcd545d9409ab8d83dcd8bd0c42e739)
+
+## [v0.1.6](https://github.com/inspect-js/is-descriptor/compare/v0.1.5...v0.1.6) - 2017-07-22
+
+## [v0.1.5](https://github.com/inspect-js/is-descriptor/compare/v0.1.4...v0.1.5) - 2017-02-25
+
+### Merged
+
+- Bump `lazy-cache`. [`#4`](https://github.com/inspect-js/is-descriptor/pull/4)
+
+### Commits
+
+- update docs, fix typos [`bc3cf69`](https://github.com/inspect-js/is-descriptor/commit/bc3cf6915686d4a964997ae7585bf65005bbf955)
+- run update [`1956814`](https://github.com/inspect-js/is-descriptor/commit/1956814c67c2033caeaed469ad09e6392dd0799e)
+
+## [v0.1.4](https://github.com/inspect-js/is-descriptor/compare/v0.1.3...v0.1.4) - 2015-12-28
+
+### Commits
+
+- allow a key to be passed [`202062b`](https://github.com/inspect-js/is-descriptor/commit/202062b56735525e7def35c8453505778ce9de03)
+- update docs [`890fe80`](https://github.com/inspect-js/is-descriptor/commit/890fe80100aa21cac1bee55d6fb4045ffb661ff7)
+
+## [v0.1.3](https://github.com/inspect-js/is-descriptor/compare/v0.1.2...v0.1.3) - 2015-12-20
+
+### Commits
+
+- lint [`fa81701`](https://github.com/inspect-js/is-descriptor/commit/fa817018aabb6f18e7f09e452b80386775773d42)
+- add gulp-format-md to verb config, build readme [`8e6c159`](https://github.com/inspect-js/is-descriptor/commit/8e6c159cfa23b357dbac8f977c3a9421172aafeb)
+- update deps [`b7b8321`](https://github.com/inspect-js/is-descriptor/commit/b7b8321e194f4f25c5aa4ff382a0a8ffb6482cc1)
+
+## [v0.1.2](https://github.com/inspect-js/is-descriptor/compare/v0.1.1...v0.1.2) - 2015-10-04
+
+### Commits
+
+- files prop [`3aaf1ce`](https://github.com/inspect-js/is-descriptor/commit/3aaf1ce8483bdee217e2f18b293937a09634a33b)
+
+## [v0.1.1](https://github.com/inspect-js/is-descriptor/compare/v0.1.0...v0.1.1) - 2015-10-04
+
+### Merged
+
+- Update .verb.md [`#1`](https://github.com/inspect-js/is-descriptor/pull/1)
+
+### Commits
+
+- adds lazy-caching [`0219f1a`](https://github.com/inspect-js/is-descriptor/commit/0219f1aa95b9ce7c08e0a1e00fe506a572c6ac46)
+- 0.1.1 readme [`924a5a7`](https://github.com/inspect-js/is-descriptor/commit/924a5a7a5d648d901b24b7287d9a5d232865f603)
+- fix readme [`dd9c431`](https://github.com/inspect-js/is-descriptor/commit/dd9c4315dd61be73f42d07bc71ddb97414dfdbcf)
+
+## v0.1.0 - 2015-08-31
+
+### Commits
+
+- first commit [`b5d8c39`](https://github.com/inspect-js/is-descriptor/commit/b5d8c39843c98588b67069325a4e6455beb8aef3)
+- 0.1.0 readme [`aaffb92`](https://github.com/inspect-js/is-descriptor/commit/aaffb924062d7c588417d9a2184ff1129f8d294a)
+- 0.1.0 docs [`eb0da6c`](https://github.com/inspect-js/is-descriptor/commit/eb0da6c548e59ff76f6a80a95ea0a750dab40591)
+- use libs [`86ad32f`](https://github.com/inspect-js/is-descriptor/commit/86ad32fe5a07d2705b14bb3e237584c05d60d519)
+- lint [`94fbcc9`](https://github.com/inspect-js/is-descriptor/commit/94fbcc9c2a3da1e9b888bad86b9576259d1d7940)
diff --git a/node_modules/static-extend/node_modules/is-descriptor/LICENSE b/node_modules/static-extend/node_modules/is-descriptor/LICENSE
new file mode 100644
index 00000000..c0d7f136
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/static-extend/node_modules/is-descriptor/README.md b/node_modules/static-extend/node_modules/is-descriptor/README.md
new file mode 100644
index 00000000..fd9ddcfb
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/README.md
@@ -0,0 +1,134 @@
+# is-descriptor <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+> Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
+
+## Usage
+
+```js
+const isDescriptor = require('is-descriptor');
+const assert = require('assert');
+
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+```
+
+You may also check for a descriptor by passing an object as the first argument and property name (`string`) as the second argument.
+
+```js
+const obj = { foo: 'abc' };
+
+Object.defineProperty(obj, 'bar', {
+  value: 'xyz'
+});
+
+assert.equal(isDescriptor(obj, 'foo'), true);
+assert.equal(isDescriptor(obj, 'bar'), true);
+```
+
+## Examples
+
+### value type
+
+`false` when not an object
+
+```js
+assert.equal(isDescriptor('a'), false);
+assert.equal(isDescriptor(null), false);
+assert.equal(isDescriptor([]), false);
+```
+
+### data descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ value: 'foo' }), true);
+assert.equal(isDescriptor({ value() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'baz' }), false);
+assert.equal(isDescriptor({ value: 'foo', get() {} }), false);
+assert.equal(isDescriptor({ get() {}, value() {} }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ value: 'foo', enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', configurable: 'foo' }), false);
+assert.equal(isDescriptor({ value: 'foo', writable: 'foo' }), false);
+```
+
+### accessor descriptor
+
+`true` when the object has valid properties with valid values.
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {} }), true);
+assert.equal(isDescriptor({ get() {} }), true);
+assert.equal(isDescriptor({ set() {} }), true);
+```
+
+`false` when the object has invalid properties
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'baz' }), false);
+assert.equal(isDescriptor({ get() {}, writable: true }), false);
+assert.equal(isDescriptor({ get() {}, value: true }), false);
+```
+
+`false` when an accessor is not a function
+
+```js
+assert.equal(isDescriptor({ get() {}, set: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set() {} }), false);
+assert.equal(isDescriptor({ get: 'foo', bar: 'baz' }), false);
+assert.equal(isDescriptor({ get: 'foo', set: 'baz' }), false);
+```
+
+`false` when a value is not the correct type
+
+```js
+assert.equal(isDescriptor({ get() {}, set() {}, enumerable: 'foo' }), false);
+assert.equal(isDescriptor({ set() {}, configurable: 'foo' }), false);
+assert.equal(isDescriptor({ get() {}, configurable: 'foo' }), false);
+```
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
+* [is-data-descriptor](https://www.npmjs.com/package/is-data-descriptor): Returns true if a value has the characteristics of a valid JavaScript data descriptor.
+* [is-object](https://www.npmjs.com/package/is-object): Returns true if the value is an object and not an array or null.
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/is-descriptor
+[npm-version-svg]: https://versionbadg.es/inspect-js/is-descriptor.svg
+[deps-svg]: https://david-dm.org/inspect-js/is-descriptor.svg
+[deps-url]: https://david-dm.org/inspect-js/is-descriptor
+[dev-deps-svg]: https://david-dm.org/inspect-js/is-descriptor/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/is-descriptor#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/is-descriptor.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-descriptor.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-descriptor.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-descriptor
+[codecov-image]: https://codecov.io/gh/inspect-js/is-descriptor/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-descriptor/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-descriptor
+[actions-url]: https://github.com/inspect-js/is-descriptor/actions
diff --git a/node_modules/static-extend/node_modules/is-descriptor/index.js b/node_modules/static-extend/node_modules/is-descriptor/index.js
new file mode 100644
index 00000000..c9dd24d2
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var isAccessor = require('is-accessor-descriptor');
+var isData = require('is-data-descriptor');
+
+module.exports = function isDescriptor(obj, key) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		return false;
+	}
+
+	if ('get' in obj || 'set' in obj) {
+		return isAccessor(obj, key);
+	}
+
+	return isData(obj, key);
+};
diff --git a/node_modules/static-extend/node_modules/is-descriptor/package.json b/node_modules/static-extend/node_modules/is-descriptor/package.json
new file mode 100644
index 00000000..6d6ca8ba
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/package.json
@@ -0,0 +1,88 @@
+{
+	"name": "is-descriptor",
+	"version": "0.1.7",
+	"description": "Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-descriptor.git"
+	},
+	"keywords": [
+		"accessor",
+		"check",
+		"data",
+		"descriptor",
+		"get",
+		"getter",
+		"is",
+		"keys",
+		"object",
+		"properties",
+		"property",
+		"set",
+		"setter",
+		"type",
+		"valid",
+		"value"
+	],
+	"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-descriptor/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-descriptor",
+	"contributors": [
+		"Brian Woodward (https://twitter.com/doowb)",
+		"Jon Schlinkert (http://twitter.com/jonschlinkert)",
+		"(https://github.com/wtgtybhertgeghgtwtg)"
+	],
+	"dependencies": {
+		"is-accessor-descriptor": "^1.0.1",
+		"is-data-descriptor": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.3",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.2"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/static-extend/node_modules/is-descriptor/test/index.js b/node_modules/static-extend/node_modules/is-descriptor/test/index.js
new file mode 100644
index 00000000..0b74a35f
--- /dev/null
+++ b/node_modules/static-extend/node_modules/is-descriptor/test/index.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('is false when not an object:', function (st) {
+		st.notOk(isDescriptor('a'));
+		st.notOk(isDescriptor(null));
+		st.notOk(isDescriptor([]));
+
+		st.end();
+	});
+
+	t.test('returns true if the property exists', function (st) {
+		var obj = { foo: null };
+
+		Object.defineProperty(obj, 'bar', {
+			value: 'xyz'
+		});
+
+		Object.defineProperty(obj, 'baz', {
+			get: function () {
+				return 'aaa';
+			}
+		});
+
+		st.ok(isDescriptor(obj, 'foo'));
+		st.ok(isDescriptor(obj, 'bar'));
+		st.ok(isDescriptor(obj, 'baz'));
+
+		st.end();
+	});
+
+	t.test('data descriptor:', function (st) {
+		st.test('is false when the object has invalid properties:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
+			s2t.notOk(isDescriptor({ get: noop, value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+			s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ value: 'foo' }));
+			s2t.ok(isDescriptor({ value: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.test('accessor descriptor:', function (st) {
+		st.test('should be false when the object has invalid properties:', function (s2t) {
+			s2t.ok(!isDescriptor({ get: noop, writable: true }));
+			s2t.ok(!isDescriptor({ get: noop, value: true }));
+
+			s2t.end();
+		});
+
+		st.test('is not false when the object has unrecognize properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when an accessor is not a function:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
+			s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+			s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+
+			s2t.end();
+		});
+
+		st.test('is false when "get" or "set" is not a function', function (s2t) {
+			s2t.notOk(isDescriptor({ set: 'foo' }));
+			s2t.notOk(isDescriptor({ get: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.test('is true when the object has valid properties:', function (s2t) {
+			s2t.ok(isDescriptor({ get: noop, set: noop }));
+			s2t.ok(isDescriptor({ get: noop }));
+
+			s2t.end();
+		});
+
+		st.test('is false when a value is not the correct type:', function (s2t) {
+			s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+			s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+			s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+			s2t.end();
+		});
+
+		st.end();
+	});
+});
diff --git a/node_modules/static-extend/package.json b/node_modules/static-extend/package.json
new file mode 100644
index 00000000..a63ab950
--- /dev/null
+++ b/node_modules/static-extend/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "static-extend",
+  "description": "Adds a static `extend` method to a class, to simplify inheritance. Extends the static properties, prototype properties, and descriptors from a `Parent` constructor onto `Child` constructors.",
+  "version": "0.1.2",
+  "homepage": "https://github.com/jonschlinkert/static-extend",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/static-extend",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/static-extend/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "define-property": "^0.2.5",
+    "object-copy": "^0.1.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.9",
+    "mocha": "^2.5.3"
+  },
+  "keywords": [
+    "class",
+    "ctor",
+    "descriptor",
+    "extend",
+    "extends",
+    "inherit",
+    "inheritance",
+    "merge",
+    "method",
+    "prop",
+    "properties",
+    "property",
+    "prototype"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "reflinks": [
+      "verb",
+      "verb-readme-generator"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/stream-browserify/.travis.yml b/node_modules/stream-browserify/.travis.yml
new file mode 100644
index 00000000..8e536f4d
--- /dev/null
+++ b/node_modules/stream-browserify/.travis.yml
@@ -0,0 +1,16 @@
+sudo: false
+language: node_js
+node_js:
+  - 'stable'
+  - '10'
+  - '9'
+  - '8'
+  - '6'
+  - '4'
+  - '0.12'
+  - '0.10'
+  - '0.8'
+before_install:
+  # Old npm certs are untrusted https://github.com/npm/npm/issues/20191
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.8" ]; then export NPM_CONFIG_STRICT_SSL=false; fi'
+  - 'nvm install-latest-npm'
diff --git a/node_modules/stream-browserify/LICENSE b/node_modules/stream-browserify/LICENSE
new file mode 100644
index 00000000..e45bc693
--- /dev/null
+++ b/node_modules/stream-browserify/LICENSE
@@ -0,0 +1,20 @@
+This software is released under the MIT license:
+
+Copyright (c) James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/stream-browserify/index.js b/node_modules/stream-browserify/index.js
new file mode 100644
index 00000000..8d6a13ab
--- /dev/null
+++ b/node_modules/stream-browserify/index.js
@@ -0,0 +1,127 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+module.exports = Stream;
+
+var EE = require('events').EventEmitter;
+var inherits = require('inherits');
+
+inherits(Stream, EE);
+Stream.Readable = require('readable-stream/readable.js');
+Stream.Writable = require('readable-stream/writable.js');
+Stream.Duplex = require('readable-stream/duplex.js');
+Stream.Transform = require('readable-stream/transform.js');
+Stream.PassThrough = require('readable-stream/passthrough.js');
+
+// Backwards-compat with node 0.4.x
+Stream.Stream = Stream;
+
+
+
+// old-style streams.  Note that the pipe method (the only relevant
+// part of this class) is overridden in the Readable class.
+
+function Stream() {
+  EE.call(this);
+}
+
+Stream.prototype.pipe = function(dest, options) {
+  var source = this;
+
+  function ondata(chunk) {
+    if (dest.writable) {
+      if (false === dest.write(chunk) && source.pause) {
+        source.pause();
+      }
+    }
+  }
+
+  source.on('data', ondata);
+
+  function ondrain() {
+    if (source.readable && source.resume) {
+      source.resume();
+    }
+  }
+
+  dest.on('drain', ondrain);
+
+  // If the 'end' option is not supplied, dest.end() will be called when
+  // source gets the 'end' or 'close' events.  Only dest.end() once.
+  if (!dest._isStdio && (!options || options.end !== false)) {
+    source.on('end', onend);
+    source.on('close', onclose);
+  }
+
+  var didOnEnd = false;
+  function onend() {
+    if (didOnEnd) return;
+    didOnEnd = true;
+
+    dest.end();
+  }
+
+
+  function onclose() {
+    if (didOnEnd) return;
+    didOnEnd = true;
+
+    if (typeof dest.destroy === 'function') dest.destroy();
+  }
+
+  // don't leave dangling pipes when there are errors.
+  function onerror(er) {
+    cleanup();
+    if (EE.listenerCount(this, 'error') === 0) {
+      throw er; // Unhandled stream error in pipe.
+    }
+  }
+
+  source.on('error', onerror);
+  dest.on('error', onerror);
+
+  // remove all the event listeners that were added.
+  function cleanup() {
+    source.removeListener('data', ondata);
+    dest.removeListener('drain', ondrain);
+
+    source.removeListener('end', onend);
+    source.removeListener('close', onclose);
+
+    source.removeListener('error', onerror);
+    dest.removeListener('error', onerror);
+
+    source.removeListener('end', cleanup);
+    source.removeListener('close', cleanup);
+
+    dest.removeListener('close', cleanup);
+  }
+
+  source.on('end', cleanup);
+  source.on('close', cleanup);
+
+  dest.on('close', cleanup);
+
+  dest.emit('pipe', source);
+
+  // Allow for unix-like usage: A.pipe(B).pipe(C)
+  return dest;
+};
diff --git a/node_modules/stream-browserify/package.json b/node_modules/stream-browserify/package.json
new file mode 100644
index 00000000..9c492fb3
--- /dev/null
+++ b/node_modules/stream-browserify/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "stream-browserify",
+  "version": "2.0.2",
+  "description": "the stream module from node core for browsers",
+  "main": "index.js",
+  "dependencies": {
+    "inherits": "~2.0.1",
+    "readable-stream": "^2.0.2"
+  },
+  "devDependencies": {
+    "safe-buffer": "^5.1.2",
+    "tape": "^4.2.0",
+    "typedarray": "~0.0.6"
+  },
+  "scripts": {
+    "test": "tape test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/browserify/stream-browserify.git"
+  },
+  "homepage": "https://github.com/browserify/stream-browserify",
+  "keywords": [
+    "stream",
+    "browser",
+    "browserify"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/3.5",
+      "firefox/10",
+      "firefox/nightly",
+      "chrome/10",
+      "chrome/latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/stream-browserify/readme.markdown b/node_modules/stream-browserify/readme.markdown
new file mode 100644
index 00000000..f89dd73e
--- /dev/null
+++ b/node_modules/stream-browserify/readme.markdown
@@ -0,0 +1,25 @@
+# stream-browserify
+
+the stream module from node core, for browsers!
+
+[![build status](https://secure.travis-ci.org/browserify/stream-browserify.svg)](http://travis-ci.org/browserify/stream-browserify)
+
+# methods
+
+Consult the node core
+[documentation on streams](http://nodejs.org/docs/latest/api/stream.html).
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install stream-browserify
+```
+
+but if you are using browserify you will get this module automatically when you
+do `require('stream')`.
+
+# license
+
+MIT
diff --git a/node_modules/stream-browserify/test/buf.js b/node_modules/stream-browserify/test/buf.js
new file mode 100644
index 00000000..95f7772e
--- /dev/null
+++ b/node_modules/stream-browserify/test/buf.js
@@ -0,0 +1,33 @@
+var path = require('path');
+var test = require('tape');
+var Buffer = require('safe-buffer').Buffer;
+
+var Writable = require('../').Writable;
+var inherits = require('inherits');
+
+inherits(TestWritable, Writable);
+
+function TestWritable(opt) {
+    if (!(this instanceof TestWritable))
+        return new TestWritable(opt);
+    Writable.call(this, opt);
+    this._written = [];
+}
+
+TestWritable.prototype._write = function(chunk, encoding, cb) {
+    this._written.push(chunk);
+    cb();
+};
+
+var buf = Buffer.from([ 88 ]);
+
+test('.writable writing ArrayBuffer', function(t) {
+    var writable = new TestWritable();
+    
+    writable.write(buf);
+    writable.end();
+    
+    t.equal(writable._written.length, 1);
+    t.equal(writable._written[0].toString(), 'X')
+    t.end()
+});
diff --git a/node_modules/stream-each/.travis.yml b/node_modules/stream-each/.travis.yml
new file mode 100644
index 00000000..aa89858a
--- /dev/null
+++ b/node_modules/stream-each/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - '0.10'
+  - '0.12'
+  - 'stable'
diff --git a/node_modules/stream-each/LICENSE b/node_modules/stream-each/LICENSE
new file mode 100644
index 00000000..66a4d2a1
--- /dev/null
+++ b/node_modules/stream-each/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/stream-each/README.md b/node_modules/stream-each/README.md
new file mode 100644
index 00000000..e0832d55
--- /dev/null
+++ b/node_modules/stream-each/README.md
@@ -0,0 +1,41 @@
+# stream-each
+
+Iterate all the data in a stream
+
+```
+npm install stream-each
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/stream-each.svg?style=flat)](http://travis-ci.org/mafintosh/stream-each)
+
+## Usage
+
+``` js
+var each = require('stream-each')
+
+each(stream, function (data, next) {
+  console.log('data from stream', data)
+  // when ready to consume next chunk
+  next()
+}, function (err) {
+  console.log('no more data')
+})
+```
+
+## API
+
+#### `each(stream, iterator, cb)`
+
+Iterate the data in the stream by calling the iterator function with `(data, next)`
+where data is a data chunk and next is a callback. Call next when you are ready to
+consume the next chunk. Optionally you can call next with an error to destroy the stream
+
+When the stream ends/errors the callback is called if provided
+
+## License
+
+MIT
+
+## Related
+
+`stream-each` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
diff --git a/node_modules/stream-each/collaborators.md b/node_modules/stream-each/collaborators.md
new file mode 100644
index 00000000..fc16de25
--- /dev/null
+++ b/node_modules/stream-each/collaborators.md
@@ -0,0 +1,7 @@
+## Collaborators
+
+stream-each is only possible due to the excellent work of the following collaborators:
+
+<table><tbody><tr><th align="left">maxogden</th><td><a href="https://github.com/maxogden">GitHub/maxogden</a></td></tr>
+<tr><th align="left">mafintosh</th><td><a href="https://github.com/mafintosh">GitHub/mafintosh</a></td></tr>
+</tbody></table>
diff --git a/node_modules/stream-each/index.js b/node_modules/stream-each/index.js
new file mode 100644
index 00000000..6d65b572
--- /dev/null
+++ b/node_modules/stream-each/index.js
@@ -0,0 +1,59 @@
+var eos = require('end-of-stream')
+var shift = require('stream-shift')
+
+module.exports = each
+
+function each (stream, fn, cb) {
+  var want = true
+  var error = null
+  var ended = false
+  var running = false
+  var calling = false
+
+  stream.on('readable', onreadable)
+  onreadable()
+
+  if (cb) eos(stream, {readable: true, writable: false}, done)
+  return stream
+
+  function done (err) {
+    if (!error) error = err
+    ended = true
+    if (!running) cb(error)
+  }
+
+  function onreadable () {
+    if (want) read()
+  }
+
+  function afterRead (err) {
+    running = false
+
+    if (err) {
+      error = err
+      if (ended) return cb(error)
+      stream.destroy(err)
+      return
+    }
+    if (ended) return cb(error)
+    if (!calling) read()
+  }
+
+  function read () {
+    while (!running && !ended) {
+      want = false
+
+      var data = shift(stream)
+      if (ended) return
+      if (data === null) {
+        want = true
+        return
+      }
+
+      running = true
+      calling = true
+      fn(data, afterRead)
+      calling = false
+    }
+  }
+}
diff --git a/node_modules/stream-each/package.json b/node_modules/stream-each/package.json
new file mode 100644
index 00000000..d7a88766
--- /dev/null
+++ b/node_modules/stream-each/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "stream-each",
+  "version": "1.2.3",
+  "description": "Iterate all the data in a stream",
+  "main": "index.js",
+  "dependencies": {
+    "end-of-stream": "^1.1.0",
+    "stream-shift": "^1.0.0"
+  },
+  "devDependencies": {
+    "ndjson": "^1.5.0",
+    "standard": "^5.3.1",
+    "tape": "^4.2.1",
+    "through2": "^2.0.0"
+  },
+  "scripts": {
+    "test": "standard && tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/stream-each.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/stream-each/issues"
+  },
+  "homepage": "https://github.com/mafintosh/stream-each"
+}
diff --git a/node_modules/stream-each/test.js b/node_modules/stream-each/test.js
new file mode 100644
index 00000000..a4665956
--- /dev/null
+++ b/node_modules/stream-each/test.js
@@ -0,0 +1,143 @@
+var tape = require('tape')
+var through = require('through2')
+var ndjson = require('ndjson')
+var each = require('./')
+
+tape('each', function (t) {
+  var s = through.obj()
+  s.write('a')
+  s.write('b')
+  s.write('c')
+  s.end()
+
+  s.on('end', function () {
+    t.end()
+  })
+
+  var expected = ['a', 'b', 'c']
+  each(s, function (data, next) {
+    t.same(data, expected.shift())
+    next()
+  })
+})
+
+tape('each and callback', function (t) {
+  var s = through.obj()
+  s.write('a')
+  s.write('b')
+  s.write('c')
+  s.end()
+
+  var expected = ['a', 'b', 'c']
+  each(s, function (data, next) {
+    t.same(data, expected.shift())
+    next()
+  }, function () {
+    t.end()
+  })
+})
+
+tape('each (write after)', function (t) {
+  var s = through.obj()
+  s.on('end', function () {
+    t.end()
+  })
+
+  var expected = ['a', 'b', 'c']
+  each(s, function (data, next) {
+    t.same(data, expected.shift())
+    next()
+  })
+
+  setTimeout(function () {
+    s.write('a')
+    s.write('b')
+    s.write('c')
+    s.end()
+  }, 100)
+})
+
+tape('each error', function (t) {
+  var s = through.obj()
+  s.write('hello')
+  s.on('error', function (err) {
+    t.same(err.message, 'stop')
+    t.end()
+  })
+
+  each(s, function (data, next) {
+    next(new Error('stop'))
+  })
+})
+
+tape('each error and callback', function (t) {
+  var s = through.obj()
+  s.write('hello')
+
+  each(s, function (data, next) {
+    next(new Error('stop'))
+  }, function (err) {
+    t.same(err.message, 'stop')
+    t.end()
+  })
+})
+
+tape('each with falsey values', function (t) {
+  var s = through.obj()
+  s.write(0)
+  s.write(false)
+  s.write(undefined)
+  s.end()
+
+  s.on('end', function () {
+    t.end()
+  })
+
+  var expected = [0, false]
+  var count = 0
+  each(s, function (data, next) {
+    count++
+    t.same(data, expected.shift())
+    next()
+  }, function () {
+    t.same(count, 2)
+  })
+})
+
+tape('huge stack', function (t) {
+  var s = through.obj()
+
+  for (var i = 0; i < 5000; i++) {
+    s.write('foo')
+  }
+
+  s.end()
+
+  each(s, function (data, cb) {
+    if (data !== 'foo') t.fail('bad data')
+    cb()
+  }, function (err) {
+    t.error(err, 'no error')
+    t.end()
+  })
+})
+
+tape('cb only once', function (t) {
+  var p = ndjson.parse()
+  var once = true
+  var data = '{"foo":"' + Array(1000).join('x') + '"}\n'
+
+  each(p, ondata, function (err) {
+    t.ok(once, 'only once')
+    t.ok(err, 'had error')
+    once = false
+    t.end()
+  })
+
+  for (var i = 0; i < 1000; i++) p.write(data)
+  p.write('{...}\n')
+
+  function ondata (data, cb) {
+    process.nextTick(cb)
+  }
+})
diff --git a/node_modules/stream-http/.airtap.yml b/node_modules/stream-http/.airtap.yml
new file mode 100644
index 00000000..64a114c5
--- /dev/null
+++ b/node_modules/stream-http/.airtap.yml
@@ -0,0 +1,23 @@
+sauce_connect: true
+browsers:
+  - name: chrome
+    version: 39..latest
+  - name: firefox
+    version: 34..latest
+  - name: safari
+    version: 8..latest
+  - name: MicrosoftEdge
+    version: 13..latest
+  - name: ie
+    version: 9..latest
+  - name: iphone
+    version: '9.3..latest'
+  - name: android
+    version: '4.4..6.0' # TODO: change this back to latest once https://github.com/airtap/browsers/issues/3 is fixed
+server: ./test/server/index.js
+scripts:
+  - "/ie8-polyfill.js"
+  - "/test-polyfill.js"
+browserify:
+  - options:
+      dedupe: false
\ No newline at end of file
diff --git a/node_modules/stream-http/.travis.yml b/node_modules/stream-http/.travis.yml
new file mode 100644
index 00000000..6ebc1ac2
--- /dev/null
+++ b/node_modules/stream-http/.travis.yml
@@ -0,0 +1,7 @@
+language: node_js
+node_js:
+  - "node"
+addons:
+  sauce_connect: true
+  hosts:
+    - airtap.local
\ No newline at end of file
diff --git a/node_modules/stream-http/LICENSE b/node_modules/stream-http/LICENSE
new file mode 100644
index 00000000..72674657
--- /dev/null
+++ b/node_modules/stream-http/LICENSE
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2015 John Hiesey
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/stream-http/README.md b/node_modules/stream-http/README.md
new file mode 100644
index 00000000..94b6a50c
--- /dev/null
+++ b/node_modules/stream-http/README.md
@@ -0,0 +1,144 @@
+# stream-http [![Build Status](https://travis-ci.org/jhiesey/stream-http.svg?branch=master)](https://travis-ci.org/jhiesey/stream-http)
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/stream-http.svg)](https://saucelabs.com/u/stream-http)
+
+This module is an implementation of Node's native `http` module for the browser.
+It tries to match Node's API and behavior as closely as possible, but some features
+aren't available, since browsers don't give nearly as much control over requests.
+
+This is heavily inspired by, and intended to replace, [http-browserify](https://github.com/substack/http-browserify).
+
+## What does it do?
+
+In accordance with its name, `stream-http` tries to provide data to its caller before
+the request has completed whenever possible.
+
+Backpressure, allowing the browser to only pull data from the server as fast as it is
+consumed, is supported in:
+* Chrome >= 58 (using `fetch` and `WritableStream`)
+
+The following browsers support true streaming, where only a small amount of the request
+has to be held in memory at once:
+* Chrome >= 43 (using the `fetch` API)
+* Firefox >= 9 (using `moz-chunked-arraybuffer` responseType with xhr)
+
+The following browsers support pseudo-streaming, where the data is available before the
+request finishes, but the entire response must be held in memory:
+* Chrome
+* Safari >= 5, and maybe older
+* IE >= 10
+* Most other Webkit-based browsers, including the default Android browser
+
+All browsers newer than IE8 support binary responses. All of the above browsers that
+support true streaming or pseudo-streaming support that for binary data as well
+except for IE10. Old (presto-based) Opera also does not support binary streaming either.
+
+### IE8 note:
+As of version 2.0.0, IE8 support requires the user to supply polyfills for
+`Object.keys`, `Array.prototype.forEach`, and `Array.prototype.indexOf`. Example
+implementations are provided in [ie8-polyfill.js](ie8-polyfill.js); alternately,
+you may want to consider using [es5-shim](https://github.com/es-shims/es5-shim).
+All browsers with full ES5 support shouldn't require any polyfills.
+
+## How do you use it?
+
+The intent is to have the same API as the client part of the
+[Node HTTP module](https://nodejs.org/api/http.html). The interfaces are the same wherever
+practical, although limitations in browsers make an exact clone of the Node API impossible.
+
+This module implements `http.request`, `http.get`, and most of `http.ClientRequest`
+and `http.IncomingMessage` in addition to `http.METHODS` and `http.STATUS_CODES`. See the
+Node docs for how these work.
+
+### Extra features compared to Node
+
+* The `message.url` property provides access to the final URL after all redirects. This
+is useful since the browser follows all redirects silently, unlike Node. It is available
+in Chrome 37 and newer, Firefox 32 and newer, and Safari 9 and newer.
+
+* The `options.withCredentials` boolean flag, used to indicate if the browser should send
+cookies or authentication information with a CORS request. Default false.
+
+This module has to make some tradeoffs to support binary data and/or streaming. Generally,
+the module can make a fairly good decision about which underlying browser features to use,
+but sometimes it helps to get a little input from the developer.
+
+* The `options.mode` field passed into `http.request` or `http.get` can take on one of the
+following values:
+  * 'default' (or any falsy value, including `undefined`): Try to provide partial data before
+the request completes, but not at the cost of correctness for binary data or correctness of
+the 'content-type' response header. This mode will also avoid slower code paths whenever
+possible, which is particularly useful when making large requests in a browser like Safari
+that has a weaker JavaScript engine.
+  * 'allow-wrong-content-type': Provides partial data in more cases than 'default', but
+at the expense of causing the 'content-type' response header to be incorrectly reported
+(as 'text/plain; charset=x-user-defined') in some browsers, notably Safari and Chrome 42
+and older. Preserves binary data whenever possible. In some cases the implementation may
+also be a bit slow. This was the default in versions of this module before 1.5.
+  * 'prefer-stream': Provide data before the request completes even if binary data (anything
+that isn't a single-byte ASCII or UTF8 character) will be corrupted. Of course, this option
+is only safe for text data. May also cause the 'content-type' response header to be
+incorrectly reported (as 'text/plain; charset=x-user-defined').
+  * 'disable-fetch': Force the use of plain XHR regardless of the browser declaring a fetch
+capability. Preserves the correctness of binary data and the 'content-type' response header.
+  * 'prefer-fast': Deprecated; now a synonym for 'default', which has the same performance
+characteristics as this mode did in versions before 1.5.
+
+* `options.requestTimeout` allows setting a timeout in millisecionds for XHR and fetch (if
+supported by the browser). This is a limit on how long the entire process takes from
+beginning to end. Note that this is not the same as the node `setTimeout` functions,
+which apply to pauses in data transfer over the underlying socket, or the node `timeout`
+option, which applies to opening the connection.
+
+### Features missing compared to Node
+
+* `http.Agent` is only a stub
+* The 'socket', 'connect', 'upgrade', and 'continue' events on `http.ClientRequest`.
+* Any operations, including `request.setTimeout`, that operate directly on the underlying
+socket.
+* Any options that are disallowed for security reasons. This includes setting or getting
+certain headers.
+* `message.httpVersion`
+* `message.rawHeaders` is modified by the browser, and may not quite match what is sent by
+the server.
+* `message.trailers` and `message.rawTrailers` will remain empty.
+* Redirects are followed silently by the browser, so it isn't possible to access the 301/302
+redirect pages.
+* The `timeout` event/option and `setTimeout` functions, which operate on the underlying
+socket, are not available. However, see `options.requestTimeout` above.
+
+## Example
+
+``` js
+http.get('/bundle.js', function (res) {
+	var div = document.getElementById('result');
+	div.innerHTML += 'GET /beep<br>';
+
+	res.on('data', function (buf) {
+		div.innerHTML += buf;
+	});
+
+	res.on('end', function () {
+		div.innerHTML += '<br>__END__';
+	});
+})
+```
+
+## Running tests
+
+There are two sets of tests: the tests that run in Node (found in `test/node`) and the tests
+that run in the browser (found in `test/browser`). Normally the browser tests run on
+[Sauce Labs](http://saucelabs.com/).
+
+Running `npm test` will run both sets of tests, but in order for the Sauce Labs tests to run
+you will need to sign up for an account (free for open source projects) and put the
+credentials in a [`.zuulrc` file](https://github.com/defunctzombie/zuul/wiki/zuulrc).
+
+To run just the Node tests, run `npm run test-node`.
+
+To run the browser tests locally, run `npm run test-browser-local` and point your browser to
+`http://localhost:8080/__zuul`
+
+## License
+
+MIT. Copyright (C) John Hiesey and other contributors.
diff --git a/node_modules/stream-http/ie8-polyfill.js b/node_modules/stream-http/ie8-polyfill.js
new file mode 100644
index 00000000..adea0fa0
--- /dev/null
+++ b/node_modules/stream-http/ie8-polyfill.js
@@ -0,0 +1,168 @@
+// These polyfills taken from MDN (developer.mozilla.org)
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
+if (!Object.keys) {
+  Object.keys = (function() {
+    'use strict';
+    var hasOwnProperty = Object.prototype.hasOwnProperty,
+        hasDontEnumBug = !({ toString: null }).propertyIsEnumerable('toString'),
+        dontEnums = [
+          'toString',
+          'toLocaleString',
+          'valueOf',
+          'hasOwnProperty',
+          'isPrototypeOf',
+          'propertyIsEnumerable',
+          'constructor'
+        ],
+        dontEnumsLength = dontEnums.length;
+
+    return function(obj) {
+      if (typeof obj !== 'object' && (typeof obj !== 'function' || obj === null)) {
+        throw new TypeError('Object.keys called on non-object');
+      }
+
+      var result = [], prop, i;
+
+      for (prop in obj) {
+        if (hasOwnProperty.call(obj, prop)) {
+          result.push(prop);
+        }
+      }
+
+      if (hasDontEnumBug) {
+        for (i = 0; i < dontEnumsLength; i++) {
+          if (hasOwnProperty.call(obj, dontEnums[i])) {
+            result.push(dontEnums[i]);
+          }
+        }
+      }
+      return result;
+    };
+  }());
+}
+
+// Production steps of ECMA-262, Edition 5, 15.4.4.18
+// Reference: http://es5.github.io/#x15.4.4.18
+if (!Array.prototype.forEach) {
+
+  Array.prototype.forEach = function(callback, thisArg) {
+
+    var T, k;
+
+    if (this == null) {
+      throw new TypeError(' this is null or not defined');
+    }
+
+    // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
+    var O = Object(this);
+
+    // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length".
+    // 3. Let len be ToUint32(lenValue).
+    var len = O.length >>> 0;
+
+    // 4. If IsCallable(callback) is false, throw a TypeError exception.
+    // See: http://es5.github.com/#x9.11
+    if (typeof callback !== "function") {
+      throw new TypeError(callback + ' is not a function');
+    }
+
+    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+    if (arguments.length > 1) {
+      T = thisArg;
+    }
+
+    // 6. Let k be 0
+    k = 0;
+
+    // 7. Repeat, while k < len
+    while (k < len) {
+
+      var kValue;
+
+      // a. Let Pk be ToString(k).
+      //   This is implicit for LHS operands of the in operator
+      // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk.
+      //   This step can be combined with c
+      // c. If kPresent is true, then
+      if (k in O) {
+
+        // i. Let kValue be the result of calling the Get internal method of O with argument Pk.
+        kValue = O[k];
+
+        // ii. Call the Call internal method of callback with T as the this value and
+        // argument list containing kValue, k, and O.
+        callback.call(T, kValue, k, O);
+      }
+      // d. Increase k by 1.
+      k++;
+    }
+    // 8. return undefined
+  };
+}
+
+// Production steps of ECMA-262, Edition 5, 15.4.4.14
+// Reference: http://es5.github.io/#x15.4.4.14
+if (!Array.prototype.indexOf) {
+  Array.prototype.indexOf = function(searchElement, fromIndex) {
+
+    var k;
+
+    // 1. Let O be the result of calling ToObject passing
+    //    the this value as the argument.
+    if (this == null) {
+      throw new TypeError('"this" is null or not defined');
+    }
+
+    var O = Object(this);
+
+    // 2. Let lenValue be the result of calling the Get
+    //    internal method of O with the argument "length".
+    // 3. Let len be ToUint32(lenValue).
+    var len = O.length >>> 0;
+
+    // 4. If len is 0, return -1.
+    if (len === 0) {
+      return -1;
+    }
+
+    // 5. If argument fromIndex was passed let n be
+    //    ToInteger(fromIndex); else let n be 0.
+    var n = +fromIndex || 0;
+
+    if (Math.abs(n) === Infinity) {
+      n = 0;
+    }
+
+    // 6. If n >= len, return -1.
+    if (n >= len) {
+      return -1;
+    }
+
+    // 7. If n >= 0, then Let k be n.
+    // 8. Else, n<0, Let k be len - abs(n).
+    //    If k is less than 0, then let k be 0.
+    k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
+
+    // 9. Repeat, while k < len
+    while (k < len) {
+      // a. Let Pk be ToString(k).
+      //   This is implicit for LHS operands of the in operator
+      // b. Let kPresent be the result of calling the
+      //    HasProperty internal method of O with argument Pk.
+      //   This step can be combined with c
+      // c. If kPresent is true, then
+      //    i.  Let elementK be the result of calling the Get
+      //        internal method of O with the argument ToString(k).
+      //   ii.  Let same be the result of applying the
+      //        Strict Equality Comparison Algorithm to
+      //        searchElement and elementK.
+      //  iii.  If same is true, return k.
+      if (k in O && O[k] === searchElement) {
+        return k;
+      }
+      k++;
+    }
+    return -1;
+  };
+}
\ No newline at end of file
diff --git a/node_modules/stream-http/index.js b/node_modules/stream-http/index.js
new file mode 100644
index 00000000..84bfe511
--- /dev/null
+++ b/node_modules/stream-http/index.js
@@ -0,0 +1,85 @@
+var ClientRequest = require('./lib/request')
+var response = require('./lib/response')
+var extend = require('xtend')
+var statusCodes = require('builtin-status-codes')
+var url = require('url')
+
+var http = exports
+
+http.request = function (opts, cb) {
+	if (typeof opts === 'string')
+		opts = url.parse(opts)
+	else
+		opts = extend(opts)
+
+	// Normally, the page is loaded from http or https, so not specifying a protocol
+	// will result in a (valid) protocol-relative url. However, this won't work if
+	// the protocol is something else, like 'file:'
+	var defaultProtocol = global.location.protocol.search(/^https?:$/) === -1 ? 'http:' : ''
+
+	var protocol = opts.protocol || defaultProtocol
+	var host = opts.hostname || opts.host
+	var port = opts.port
+	var path = opts.path || '/'
+
+	// Necessary for IPv6 addresses
+	if (host && host.indexOf(':') !== -1)
+		host = '[' + host + ']'
+
+	// This may be a relative url. The browser should always be able to interpret it correctly.
+	opts.url = (host ? (protocol + '//' + host) : '') + (port ? ':' + port : '') + path
+	opts.method = (opts.method || 'GET').toUpperCase()
+	opts.headers = opts.headers || {}
+
+	// Also valid opts.auth, opts.mode
+
+	var req = new ClientRequest(opts)
+	if (cb)
+		req.on('response', cb)
+	return req
+}
+
+http.get = function get (opts, cb) {
+	var req = http.request(opts, cb)
+	req.end()
+	return req
+}
+
+http.ClientRequest = ClientRequest
+http.IncomingMessage = response.IncomingMessage
+
+http.Agent = function () {}
+http.Agent.defaultMaxSockets = 4
+
+http.globalAgent = new http.Agent()
+
+http.STATUS_CODES = statusCodes
+
+http.METHODS = [
+	'CHECKOUT',
+	'CONNECT',
+	'COPY',
+	'DELETE',
+	'GET',
+	'HEAD',
+	'LOCK',
+	'M-SEARCH',
+	'MERGE',
+	'MKACTIVITY',
+	'MKCOL',
+	'MOVE',
+	'NOTIFY',
+	'OPTIONS',
+	'PATCH',
+	'POST',
+	'PROPFIND',
+	'PROPPATCH',
+	'PURGE',
+	'PUT',
+	'REPORT',
+	'SEARCH',
+	'SUBSCRIBE',
+	'TRACE',
+	'UNLOCK',
+	'UNSUBSCRIBE'
+]
\ No newline at end of file
diff --git a/node_modules/stream-http/lib/capability.js b/node_modules/stream-http/lib/capability.js
new file mode 100644
index 00000000..3a17334e
--- /dev/null
+++ b/node_modules/stream-http/lib/capability.js
@@ -0,0 +1,73 @@
+exports.fetch = isFunction(global.fetch) && isFunction(global.ReadableStream)
+
+exports.writableStream = isFunction(global.WritableStream)
+
+exports.abortController = isFunction(global.AbortController)
+
+exports.blobConstructor = false
+try {
+	new Blob([new ArrayBuffer(1)])
+	exports.blobConstructor = true
+} catch (e) {}
+
+// The xhr request to example.com may violate some restrictive CSP configurations,
+// so if we're running in a browser that supports `fetch`, avoid calling getXHR()
+// and assume support for certain features below.
+var xhr
+function getXHR () {
+	// Cache the xhr value
+	if (xhr !== undefined) return xhr
+
+	if (global.XMLHttpRequest) {
+		xhr = new global.XMLHttpRequest()
+		// If XDomainRequest is available (ie only, where xhr might not work
+		// cross domain), use the page location. Otherwise use example.com
+		// Note: this doesn't actually make an http request.
+		try {
+			xhr.open('GET', global.XDomainRequest ? '/' : 'https://example.com')
+		} catch(e) {
+			xhr = null
+		}
+	} else {
+		// Service workers don't have XHR
+		xhr = null
+	}
+	return xhr
+}
+
+function checkTypeSupport (type) {
+	var xhr = getXHR()
+	if (!xhr) return false
+	try {
+		xhr.responseType = type
+		return xhr.responseType === type
+	} catch (e) {}
+	return false
+}
+
+// For some strange reason, Safari 7.0 reports typeof global.ArrayBuffer === 'object'.
+// Safari 7.1 appears to have fixed this bug.
+var haveArrayBuffer = typeof global.ArrayBuffer !== 'undefined'
+var haveSlice = haveArrayBuffer && isFunction(global.ArrayBuffer.prototype.slice)
+
+// If fetch is supported, then arraybuffer will be supported too. Skip calling
+// checkTypeSupport(), since that calls getXHR().
+exports.arraybuffer = exports.fetch || (haveArrayBuffer && checkTypeSupport('arraybuffer'))
+
+// These next two tests unavoidably show warnings in Chrome. Since fetch will always
+// be used if it's available, just return false for these to avoid the warnings.
+exports.msstream = !exports.fetch && haveSlice && checkTypeSupport('ms-stream')
+exports.mozchunkedarraybuffer = !exports.fetch && haveArrayBuffer &&
+	checkTypeSupport('moz-chunked-arraybuffer')
+
+// If fetch is supported, then overrideMimeType will be supported too. Skip calling
+// getXHR().
+exports.overrideMimeType = exports.fetch || (getXHR() ? isFunction(getXHR().overrideMimeType) : false)
+
+exports.vbArray = isFunction(global.VBArray)
+
+function isFunction (value) {
+	return typeof value === 'function'
+}
+
+xhr = null // Help gc
diff --git a/node_modules/stream-http/lib/request.js b/node_modules/stream-http/lib/request.js
new file mode 100644
index 00000000..4f097dfa
--- /dev/null
+++ b/node_modules/stream-http/lib/request.js
@@ -0,0 +1,327 @@
+var capability = require('./capability')
+var inherits = require('inherits')
+var response = require('./response')
+var stream = require('readable-stream')
+var toArrayBuffer = require('to-arraybuffer')
+
+var IncomingMessage = response.IncomingMessage
+var rStates = response.readyStates
+
+function decideMode (preferBinary, useFetch) {
+	if (capability.fetch && useFetch) {
+		return 'fetch'
+	} else if (capability.mozchunkedarraybuffer) {
+		return 'moz-chunked-arraybuffer'
+	} else if (capability.msstream) {
+		return 'ms-stream'
+	} else if (capability.arraybuffer && preferBinary) {
+		return 'arraybuffer'
+	} else if (capability.vbArray && preferBinary) {
+		return 'text:vbarray'
+	} else {
+		return 'text'
+	}
+}
+
+var ClientRequest = module.exports = function (opts) {
+	var self = this
+	stream.Writable.call(self)
+
+	self._opts = opts
+	self._body = []
+	self._headers = {}
+	if (opts.auth)
+		self.setHeader('Authorization', 'Basic ' + new Buffer(opts.auth).toString('base64'))
+	Object.keys(opts.headers).forEach(function (name) {
+		self.setHeader(name, opts.headers[name])
+	})
+
+	var preferBinary
+	var useFetch = true
+	if (opts.mode === 'disable-fetch' || ('requestTimeout' in opts && !capability.abortController)) {
+		// If the use of XHR should be preferred. Not typically needed.
+		useFetch = false
+		preferBinary = true
+	} else if (opts.mode === 'prefer-streaming') {
+		// If streaming is a high priority but binary compatibility and
+		// the accuracy of the 'content-type' header aren't
+		preferBinary = false
+	} else if (opts.mode === 'allow-wrong-content-type') {
+		// If streaming is more important than preserving the 'content-type' header
+		preferBinary = !capability.overrideMimeType
+	} else if (!opts.mode || opts.mode === 'default' || opts.mode === 'prefer-fast') {
+		// Use binary if text streaming may corrupt data or the content-type header, or for speed
+		preferBinary = true
+	} else {
+		throw new Error('Invalid value for opts.mode')
+	}
+	self._mode = decideMode(preferBinary, useFetch)
+	self._fetchTimer = null
+
+	self.on('finish', function () {
+		self._onFinish()
+	})
+}
+
+inherits(ClientRequest, stream.Writable)
+
+ClientRequest.prototype.setHeader = function (name, value) {
+	var self = this
+	var lowerName = name.toLowerCase()
+	// This check is not necessary, but it prevents warnings from browsers about setting unsafe
+	// headers. To be honest I'm not entirely sure hiding these warnings is a good thing, but
+	// http-browserify did it, so I will too.
+	if (unsafeHeaders.indexOf(lowerName) !== -1)
+		return
+
+	self._headers[lowerName] = {
+		name: name,
+		value: value
+	}
+}
+
+ClientRequest.prototype.getHeader = function (name) {
+	var header = this._headers[name.toLowerCase()]
+	if (header)
+		return header.value
+	return null
+}
+
+ClientRequest.prototype.removeHeader = function (name) {
+	var self = this
+	delete self._headers[name.toLowerCase()]
+}
+
+ClientRequest.prototype._onFinish = function () {
+	var self = this
+
+	if (self._destroyed)
+		return
+	var opts = self._opts
+
+	var headersObj = self._headers
+	var body = null
+	if (opts.method !== 'GET' && opts.method !== 'HEAD') {
+		if (capability.arraybuffer) {
+			body = toArrayBuffer(Buffer.concat(self._body))
+		} else if (capability.blobConstructor) {
+			body = new global.Blob(self._body.map(function (buffer) {
+				return toArrayBuffer(buffer)
+			}), {
+				type: (headersObj['content-type'] || {}).value || ''
+			})
+		} else {
+			// get utf8 string
+			body = Buffer.concat(self._body).toString()
+		}
+	}
+
+	// create flattened list of headers
+	var headersList = []
+	Object.keys(headersObj).forEach(function (keyName) {
+		var name = headersObj[keyName].name
+		var value = headersObj[keyName].value
+		if (Array.isArray(value)) {
+			value.forEach(function (v) {
+				headersList.push([name, v])
+			})
+		} else {
+			headersList.push([name, value])
+		}
+	})
+
+	if (self._mode === 'fetch') {
+		var signal = null
+		var fetchTimer = null
+		if (capability.abortController) {
+			var controller = new AbortController()
+			signal = controller.signal
+			self._fetchAbortController = controller
+
+			if ('requestTimeout' in opts && opts.requestTimeout !== 0) {
+				self._fetchTimer = global.setTimeout(function () {
+					self.emit('requestTimeout')
+					if (self._fetchAbortController)
+						self._fetchAbortController.abort()
+				}, opts.requestTimeout)
+			}
+		}
+
+		global.fetch(self._opts.url, {
+			method: self._opts.method,
+			headers: headersList,
+			body: body || undefined,
+			mode: 'cors',
+			credentials: opts.withCredentials ? 'include' : 'same-origin',
+			signal: signal
+		}).then(function (response) {
+			self._fetchResponse = response
+			self._connect()
+		}, function (reason) {
+			global.clearTimeout(self._fetchTimer)
+			if (!self._destroyed)
+				self.emit('error', reason)
+		})
+	} else {
+		var xhr = self._xhr = new global.XMLHttpRequest()
+		try {
+			xhr.open(self._opts.method, self._opts.url, true)
+		} catch (err) {
+			process.nextTick(function () {
+				self.emit('error', err)
+			})
+			return
+		}
+
+		// Can't set responseType on really old browsers
+		if ('responseType' in xhr)
+			xhr.responseType = self._mode.split(':')[0]
+
+		if ('withCredentials' in xhr)
+			xhr.withCredentials = !!opts.withCredentials
+
+		if (self._mode === 'text' && 'overrideMimeType' in xhr)
+			xhr.overrideMimeType('text/plain; charset=x-user-defined')
+
+		if ('requestTimeout' in opts) {
+			xhr.timeout = opts.requestTimeout
+			xhr.ontimeout = function () {
+				self.emit('requestTimeout')
+			}
+		}
+
+		headersList.forEach(function (header) {
+			xhr.setRequestHeader(header[0], header[1])
+		})
+
+		self._response = null
+		xhr.onreadystatechange = function () {
+			switch (xhr.readyState) {
+				case rStates.LOADING:
+				case rStates.DONE:
+					self._onXHRProgress()
+					break
+			}
+		}
+		// Necessary for streaming in Firefox, since xhr.response is ONLY defined
+		// in onprogress, not in onreadystatechange with xhr.readyState = 3
+		if (self._mode === 'moz-chunked-arraybuffer') {
+			xhr.onprogress = function () {
+				self._onXHRProgress()
+			}
+		}
+
+		xhr.onerror = function () {
+			if (self._destroyed)
+				return
+			self.emit('error', new Error('XHR error'))
+		}
+
+		try {
+			xhr.send(body)
+		} catch (err) {
+			process.nextTick(function () {
+				self.emit('error', err)
+			})
+			return
+		}
+	}
+}
+
+/**
+ * Checks if xhr.status is readable and non-zero, indicating no error.
+ * Even though the spec says it should be available in readyState 3,
+ * accessing it throws an exception in IE8
+ */
+function statusValid (xhr) {
+	try {
+		var status = xhr.status
+		return (status !== null && status !== 0)
+	} catch (e) {
+		return false
+	}
+}
+
+ClientRequest.prototype._onXHRProgress = function () {
+	var self = this
+
+	if (!statusValid(self._xhr) || self._destroyed)
+		return
+
+	if (!self._response)
+		self._connect()
+
+	self._response._onXHRProgress()
+}
+
+ClientRequest.prototype._connect = function () {
+	var self = this
+
+	if (self._destroyed)
+		return
+
+	self._response = new IncomingMessage(self._xhr, self._fetchResponse, self._mode, self._fetchTimer)
+	self._response.on('error', function(err) {
+		self.emit('error', err)
+	})
+
+	self.emit('response', self._response)
+}
+
+ClientRequest.prototype._write = function (chunk, encoding, cb) {
+	var self = this
+
+	self._body.push(chunk)
+	cb()
+}
+
+ClientRequest.prototype.abort = ClientRequest.prototype.destroy = function () {
+	var self = this
+	self._destroyed = true
+	global.clearTimeout(self._fetchTimer)
+	if (self._response)
+		self._response._destroyed = true
+	if (self._xhr)
+		self._xhr.abort()
+	else if (self._fetchAbortController)
+		self._fetchAbortController.abort()
+}
+
+ClientRequest.prototype.end = function (data, encoding, cb) {
+	var self = this
+	if (typeof data === 'function') {
+		cb = data
+		data = undefined
+	}
+
+	stream.Writable.prototype.end.call(self, data, encoding, cb)
+}
+
+ClientRequest.prototype.flushHeaders = function () {}
+ClientRequest.prototype.setTimeout = function () {}
+ClientRequest.prototype.setNoDelay = function () {}
+ClientRequest.prototype.setSocketKeepAlive = function () {}
+
+// Taken from http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader%28%29-method
+var unsafeHeaders = [
+	'accept-charset',
+	'accept-encoding',
+	'access-control-request-headers',
+	'access-control-request-method',
+	'connection',
+	'content-length',
+	'cookie',
+	'cookie2',
+	'date',
+	'dnt',
+	'expect',
+	'host',
+	'keep-alive',
+	'origin',
+	'referer',
+	'te',
+	'trailer',
+	'transfer-encoding',
+	'upgrade',
+	'via'
+]
diff --git a/node_modules/stream-http/lib/response.js b/node_modules/stream-http/lib/response.js
new file mode 100644
index 00000000..17d1fb71
--- /dev/null
+++ b/node_modules/stream-http/lib/response.js
@@ -0,0 +1,224 @@
+var capability = require('./capability')
+var inherits = require('inherits')
+var stream = require('readable-stream')
+
+var rStates = exports.readyStates = {
+	UNSENT: 0,
+	OPENED: 1,
+	HEADERS_RECEIVED: 2,
+	LOADING: 3,
+	DONE: 4
+}
+
+var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, fetchTimer) {
+	var self = this
+	stream.Readable.call(self)
+
+	self._mode = mode
+	self.headers = {}
+	self.rawHeaders = []
+	self.trailers = {}
+	self.rawTrailers = []
+
+	// Fake the 'close' event, but only once 'end' fires
+	self.on('end', function () {
+		// The nextTick is necessary to prevent the 'request' module from causing an infinite loop
+		process.nextTick(function () {
+			self.emit('close')
+		})
+	})
+
+	if (mode === 'fetch') {
+		self._fetchResponse = response
+
+		self.url = response.url
+		self.statusCode = response.status
+		self.statusMessage = response.statusText
+		
+		response.headers.forEach(function (header, key){
+			self.headers[key.toLowerCase()] = header
+			self.rawHeaders.push(key, header)
+		})
+
+		if (capability.writableStream) {
+			var writable = new WritableStream({
+				write: function (chunk) {
+					return new Promise(function (resolve, reject) {
+						if (self._destroyed) {
+							reject()
+						} else if(self.push(new Buffer(chunk))) {
+							resolve()
+						} else {
+							self._resumeFetch = resolve
+						}
+					})
+				},
+				close: function () {
+					global.clearTimeout(fetchTimer)
+					if (!self._destroyed)
+						self.push(null)
+				},
+				abort: function (err) {
+					if (!self._destroyed)
+						self.emit('error', err)
+				}
+			})
+
+			try {
+				response.body.pipeTo(writable).catch(function (err) {
+					global.clearTimeout(fetchTimer)
+					if (!self._destroyed)
+						self.emit('error', err)
+				})
+				return
+			} catch (e) {} // pipeTo method isn't defined. Can't find a better way to feature test this
+		}
+		// fallback for when writableStream or pipeTo aren't available
+		var reader = response.body.getReader()
+		function read () {
+			reader.read().then(function (result) {
+				if (self._destroyed)
+					return
+				if (result.done) {
+					global.clearTimeout(fetchTimer)
+					self.push(null)
+					return
+				}
+				self.push(new Buffer(result.value))
+				read()
+			}).catch(function (err) {
+				global.clearTimeout(fetchTimer)
+				if (!self._destroyed)
+					self.emit('error', err)
+			})
+		}
+		read()
+	} else {
+		self._xhr = xhr
+		self._pos = 0
+
+		self.url = xhr.responseURL
+		self.statusCode = xhr.status
+		self.statusMessage = xhr.statusText
+		var headers = xhr.getAllResponseHeaders().split(/\r?\n/)
+		headers.forEach(function (header) {
+			var matches = header.match(/^([^:]+):\s*(.*)/)
+			if (matches) {
+				var key = matches[1].toLowerCase()
+				if (key === 'set-cookie') {
+					if (self.headers[key] === undefined) {
+						self.headers[key] = []
+					}
+					self.headers[key].push(matches[2])
+				} else if (self.headers[key] !== undefined) {
+					self.headers[key] += ', ' + matches[2]
+				} else {
+					self.headers[key] = matches[2]
+				}
+				self.rawHeaders.push(matches[1], matches[2])
+			}
+		})
+
+		self._charset = 'x-user-defined'
+		if (!capability.overrideMimeType) {
+			var mimeType = self.rawHeaders['mime-type']
+			if (mimeType) {
+				var charsetMatch = mimeType.match(/;\s*charset=([^;])(;|$)/)
+				if (charsetMatch) {
+					self._charset = charsetMatch[1].toLowerCase()
+				}
+			}
+			if (!self._charset)
+				self._charset = 'utf-8' // best guess
+		}
+	}
+}
+
+inherits(IncomingMessage, stream.Readable)
+
+IncomingMessage.prototype._read = function () {
+	var self = this
+
+	var resolve = self._resumeFetch
+	if (resolve) {
+		self._resumeFetch = null
+		resolve()
+	}
+}
+
+IncomingMessage.prototype._onXHRProgress = function () {
+	var self = this
+
+	var xhr = self._xhr
+
+	var response = null
+	switch (self._mode) {
+		case 'text:vbarray': // For IE9
+			if (xhr.readyState !== rStates.DONE)
+				break
+			try {
+				// This fails in IE8
+				response = new global.VBArray(xhr.responseBody).toArray()
+			} catch (e) {}
+			if (response !== null) {
+				self.push(new Buffer(response))
+				break
+			}
+			// Falls through in IE8	
+		case 'text':
+			try { // This will fail when readyState = 3 in IE9. Switch mode and wait for readyState = 4
+				response = xhr.responseText
+			} catch (e) {
+				self._mode = 'text:vbarray'
+				break
+			}
+			if (response.length > self._pos) {
+				var newData = response.substr(self._pos)
+				if (self._charset === 'x-user-defined') {
+					var buffer = new Buffer(newData.length)
+					for (var i = 0; i < newData.length; i++)
+						buffer[i] = newData.charCodeAt(i) & 0xff
+
+					self.push(buffer)
+				} else {
+					self.push(newData, self._charset)
+				}
+				self._pos = response.length
+			}
+			break
+		case 'arraybuffer':
+			if (xhr.readyState !== rStates.DONE || !xhr.response)
+				break
+			response = xhr.response
+			self.push(new Buffer(new Uint8Array(response)))
+			break
+		case 'moz-chunked-arraybuffer': // take whole
+			response = xhr.response
+			if (xhr.readyState !== rStates.LOADING || !response)
+				break
+			self.push(new Buffer(new Uint8Array(response)))
+			break
+		case 'ms-stream':
+			response = xhr.response
+			if (xhr.readyState !== rStates.LOADING)
+				break
+			var reader = new global.MSStreamReader()
+			reader.onprogress = function () {
+				if (reader.result.byteLength > self._pos) {
+					self.push(new Buffer(new Uint8Array(reader.result.slice(self._pos))))
+					self._pos = reader.result.byteLength
+				}
+			}
+			reader.onload = function () {
+				self.push(null)
+			}
+			// reader.onerror = ??? // TODO: this
+			reader.readAsArrayBuffer(response)
+			break
+	}
+
+	// The ms-stream case handles end separately in reader.onload()
+	if (self._xhr.readyState === rStates.DONE && self._mode !== 'ms-stream') {
+		self.push(null)
+	}
+}
diff --git a/node_modules/stream-http/package.json b/node_modules/stream-http/package.json
new file mode 100644
index 00000000..1e1affa7
--- /dev/null
+++ b/node_modules/stream-http/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "stream-http",
+  "version": "2.8.3",
+  "description": "Streaming http in the browser",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jhiesey/stream-http.git"
+  },
+  "scripts": {
+    "test": "npm run test-node && ([ -n \"${TRAVIS_PULL_REQUEST}\" -a \"${TRAVIS_PULL_REQUEST}\" != 'false' ] || npm run test-browser)",
+    "test-node": "tape test/node/*.js",
+    "test-browser": "airtap --loopback airtap.local -- test/browser/*.js",
+    "test-browser-local": "airtap --no-instrument --local 8080 -- test/browser/*.js"
+  },
+  "author": "John Hiesey",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/jhiesey/stream-http/issues"
+  },
+  "homepage": "https://github.com/jhiesey/stream-http#readme",
+  "keywords": [
+    "http",
+    "stream",
+    "streaming",
+    "xhr",
+    "http-browserify"
+  ],
+  "dependencies": {
+    "builtin-status-codes": "^3.0.0",
+    "inherits": "^2.0.1",
+    "readable-stream": "^2.3.6",
+    "to-arraybuffer": "^1.0.0",
+    "xtend": "^4.0.0"
+  },
+  "devDependencies": {
+    "airtap": "^0.0.5",
+    "basic-auth": "^2.0.0",
+    "brfs": "^1.6.1",
+    "cookie-parser": "^1.4.3",
+    "express": "^4.16.3",
+    "tape": "^4.9.0",
+    "ua-parser-js": "^0.7.18",
+    "webworkify": "^1.5.0"
+  }
+}
diff --git a/node_modules/stream-http/test/browser/abort.js b/node_modules/stream-http/test/browser/abort.js
new file mode 100644
index 00000000..2cf43e97
--- /dev/null
+++ b/node_modules/stream-http/test/browser/abort.js
@@ -0,0 +1,55 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+
+var http = require('../..')
+
+test('abort before response', function (t) {
+	var req = http.get('/basic.txt', function (res) {
+		t.fail('unexpected response')
+	})
+	req.abort()
+	t.end()
+})
+
+test('abort on response', function (t) {
+	var req = http.get('/basic.txt', function (res) {
+		req.abort()
+		t.end()
+
+		res.on('end', function () {
+			t.fail('unexpected end')
+		})
+
+		res.on('data', function (data) {
+			t.fail('unexpected data')
+		})
+	})
+})
+
+test('abort on data', function (t) {
+	var req = http.get('/browserify.png?copies=5', function (res) {
+		var firstData = true
+		var failOnData = false
+
+		res.on('end', function () {
+			t.fail('unexpected end')
+		})
+
+		res.on('data', function (data) {
+			if (failOnData)
+				t.fail('unexpected data')
+			else if (firstData) {
+				firstData = false
+				req.abort()
+				t.end()
+				process.nextTick(function () {
+					// Wait for any data that may have been queued
+					// in the stream before considering data events
+					// as errors
+					failOnData = true
+				})
+			}
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/auth.js b/node_modules/stream-http/test/browser/auth.js
new file mode 100644
index 00000000..5c731154
--- /dev/null
+++ b/node_modules/stream-http/test/browser/auth.js
@@ -0,0 +1,22 @@
+var Buffer = require('buffer').Buffer
+var test = require('tape')
+
+var http = require('../..')
+
+test('authentication', function (t) {
+	http.get({
+		path: '/auth',
+		auth: 'TestUser:trustno1'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			t.ok(new Buffer('You\'re in!').equals(Buffer.concat(buffers)), 'authentication succeeded')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/binary-streaming.js b/node_modules/stream-http/test/browser/binary-streaming.js
new file mode 100644
index 00000000..d1221dfe
--- /dev/null
+++ b/node_modules/stream-http/test/browser/binary-streaming.js
@@ -0,0 +1,71 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Binary streaming doesn't work in IE10 or below
+var skipStreamingCheck = (browserName === 'IE' && browserVersion <= 10)
+
+// Binary data gets corrupted in IE8 or below
+var skipVerification = (browserName === 'IE' && browserVersion <= 8)
+
+// IE8 tends to throw up modal dialogs complaining about scripts running too long
+// Since streaming doesn't actually work there anyway, just use one copy
+var COPIES = skipVerification ? 1 : 20
+var MIN_PIECES = 2
+
+var referenceOnce = fs.readFileSync(__dirname + '/../server/static/browserify.png')
+var reference = new Buffer(referenceOnce.length * COPIES)
+for(var i = 0; i < COPIES; i++) {
+	referenceOnce.copy(reference, referenceOnce.length * i)
+}
+
+test('binary streaming', function (t) {
+	http.get({
+		path: '/browserify.png?copies=' + COPIES,
+		mode: 'allow-wrong-content-type'
+	}, function (res) {
+		var buffers = []
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on IE <= 8')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+
+			if (skipStreamingCheck)
+				t.skip('streaming not available on IE <= 8')
+			else
+				t.ok(buffers.length >= MIN_PIECES, 'received in multiple parts')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
+
+test('large binary request without streaming', function (t) {
+	http.get({
+		path: '/browserify.png?copies=' + COPIES,
+		mode: 'default',
+	}, function (res) {
+		var buffers = []
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on IE <= 8')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/binary.js b/node_modules/stream-http/test/browser/binary.js
new file mode 100644
index 00000000..e116b8d8
--- /dev/null
+++ b/node_modules/stream-http/test/browser/binary.js
@@ -0,0 +1,32 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Binary data gets corrupted in IE8 or below
+var skipVerification = (browserName === 'IE' && browserVersion <= 8)
+
+var reference = fs.readFileSync(__dirname + '/../server/static/browserify.png')
+
+test('binary download', function (t) {
+	http.get('/browserify.png', function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on IE <= 8')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/body-empty.js b/node_modules/stream-http/test/browser/body-empty.js
new file mode 100644
index 00000000..8e99bb7b
--- /dev/null
+++ b/node_modules/stream-http/test/browser/body-empty.js
@@ -0,0 +1,29 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+
+var http = require('../..')
+
+var reference = fs.readFileSync(__dirname + '/../server/static/basic.txt')
+
+test('get body empty', function (t) {
+	var req = http.request({
+		path: '/verifyEmpty',
+		method: 'GET'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			console.log(Buffer.concat(buffers).toString('utf8'))
+			t.ok(Buffer.from('empty').equals(Buffer.concat(buffers)), 'response body indicates request body was empty')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+
+	req.write(reference)
+	req.end()
+})
diff --git a/node_modules/stream-http/test/browser/cookie.js b/node_modules/stream-http/test/browser/cookie.js
new file mode 100644
index 00000000..114c687c
--- /dev/null
+++ b/node_modules/stream-http/test/browser/cookie.js
@@ -0,0 +1,25 @@
+var Buffer = require('buffer').Buffer
+var test = require('tape')
+
+var http = require('../..')
+
+test('cookie', function (t) {
+  var cookie = 'hello=world'
+  window.document.cookie = cookie
+
+  http.get({
+    path: '/cookie',
+    withCredentials: false
+  }, function (res) {
+    var buffers = []
+
+    res.on('end', function () {
+      t.ok(new Buffer(cookie).equals(Buffer.concat(buffers)), 'hello cookie echoed')
+      t.end()
+    })
+
+    res.on('data', function (data) {
+      buffers.push(data)
+    })
+  })
+})
diff --git a/node_modules/stream-http/test/browser/disable-fetch.js b/node_modules/stream-http/test/browser/disable-fetch.js
new file mode 100644
index 00000000..b50aa711
--- /dev/null
+++ b/node_modules/stream-http/test/browser/disable-fetch.js
@@ -0,0 +1,37 @@
+var Buffer = require('buffer').Buffer
+var test = require('tape')
+
+var http = require('../..')
+
+test('disable fetch', function (t) {
+	var originalFetch
+	if (typeof fetch === 'function') {
+		originalFetch = fetch
+	}
+
+	var fetchCalled = false
+	fetch = function (input, options) {
+		fetchCalled = true
+		if (originalFetch) {
+			return originalFetch(input, options)
+		}
+	}
+
+	http.get({
+		path: '/browserify.png',
+		mode: 'disable-fetch'
+	}, function (res) {
+		t.ok(!fetchCalled, 'fetch was not called')
+
+		if (originalFetch) {
+			fetch = originalFetch
+		}
+
+		res.on('end', function () {
+			t.ok(res.headers['content-type'] === 'image/png', 'content-type was set correctly')
+			t.end()
+		})
+
+		res.on('data', function () {})
+	})
+})
diff --git a/node_modules/stream-http/test/browser/error.js.disabled b/node_modules/stream-http/test/browser/error.js.disabled
new file mode 100644
index 00000000..4a328d62
--- /dev/null
+++ b/node_modules/stream-http/test/browser/error.js.disabled
@@ -0,0 +1,12 @@
+var Buffer = require('buffer').Buffer
+var test = require('tape')
+
+var http = require('../..')
+
+test('error handling', function (t) {
+	var req = http.get('https://0.0.0.0:0/fail.txt')
+	req.on('error', function (err) {
+		t.ok(err && ('message' in err), 'got error')
+		t.end()
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/headers.js b/node_modules/stream-http/test/browser/headers.js
new file mode 100644
index 00000000..9d0c77c5
--- /dev/null
+++ b/node_modules/stream-http/test/browser/headers.js
@@ -0,0 +1,116 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+test('headers', function (t) {
+	http.get({
+		path: '/testHeaders?Response-Header=bar&Response-Header-2=BAR2',
+		headers: {
+			'Test-Request-Header': 'foo',
+			'Test-Request-Header-2': 'FOO2'
+		}
+	}, function (res) {
+		var rawHeaders = []
+		for (var i = 0; i < res.rawHeaders.length; i += 2) {
+			var lowerKey = res.rawHeaders[i].toLowerCase()
+			if (lowerKey.indexOf('test-') === 0)
+				rawHeaders.push(lowerKey, res.rawHeaders[i + 1])
+		}
+		var header1Pos = rawHeaders.indexOf('test-response-header')
+		t.ok(header1Pos >= 0, 'raw response header 1 present')
+		t.equal(rawHeaders[header1Pos + 1], 'bar', 'raw response header value 1')
+		var header2Pos = rawHeaders.indexOf('test-response-header-2')
+		t.ok(header2Pos >= 0, 'raw response header 2 present')
+		t.equal(rawHeaders[header2Pos + 1], 'BAR2', 'raw response header value 2')
+		t.equal(rawHeaders.length, 4, 'correct number of raw headers')
+
+		t.equal(res.headers['test-response-header'], 'bar', 'response header 1')
+		t.equal(res.headers['test-response-header-2'], 'BAR2', 'response header 2')
+
+		var buffers = []
+
+		res.on('end', function () {
+			var body = JSON.parse(Buffer.concat(buffers).toString())
+			t.equal(body['test-request-header'], 'foo', 'request header 1')
+			t.equal(body['test-request-header-2'], 'FOO2', 'request header 2')
+			t.equal(Object.keys(body).length, 2, 'correct number of request headers')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
+
+test('arrays of headers', function (t) {
+	http.get({
+		path: '/testHeaders?Response-Header=bar&Response-Header=BAR2',
+		headers: {
+			'Test-Request-Header': ['foo', 'FOO2']
+		}
+	}, function (res) {
+		var rawHeaders = []
+		for (var i = 0; i < res.rawHeaders.length; i += 2) {
+			var lowerKey = res.rawHeaders[i].toLowerCase()
+			if (lowerKey.indexOf('test-') === 0)
+				rawHeaders.push(lowerKey, res.rawHeaders[i + 1])
+		}
+		t.equal(rawHeaders[0], 'test-response-header', 'raw response header present')
+		t.equal(rawHeaders[1], 'bar, BAR2', 'raw response header value')
+		t.equal(rawHeaders.length, 2, 'correct number of raw headers')
+
+		t.equal(res.headers['test-response-header'], 'bar, BAR2', 'response header')
+
+		var buffers = []
+
+		res.on('end', function () {
+			var body = JSON.parse(Buffer.concat(buffers).toString())
+			t.equal(body['test-request-header'], 'foo,FOO2', 'request headers')
+			t.equal(Object.keys(body).length, 1, 'correct number of request headers')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
+
+test('content-type response header', function (t) {
+	http.get('/testHeaders', function (res) {
+		t.equal(res.headers['content-type'], 'application/json', 'content-type preserved')
+		t.end()
+	})
+})
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+var browserMinorVersion = browser.minor || 0
+// The content-type header is broken when 'prefer-streaming' or 'allow-wrong-content-type'
+// is passed in browsers that rely on xhr.overrideMimeType(), namely older chrome, safari 6-10.0, and the stock Android browser
+// Note that Safari 10.0 on iOS 10.3 doesn't need to override the mime type, so the content-type is preserved.
+var wrongMimeType = ((browserName === 'Chrome' && browserVersion <= 42) ||
+	((browserName === 'Safari' || browserName === 'Mobile Safari') && browserVersion >= 6 && (browserVersion < 10 || (browserVersion == 10 && browserMinorVersion == 0)))
+	|| (browserName === 'Android Browser'))
+
+test('content-type response header with forced streaming', function (t) {
+	http.get({
+		path: '/testHeaders',
+		mode: 'prefer-streaming'
+	}, function (res) {
+		if (wrongMimeType) {
+			// allow both the 'wrong' and correct mime type, since sometimes it's impossible to tell which to expect
+			// from the browser version alone (e.g. Safari 10.0 on iOS 10.2 vs iOS 10.3)
+			var contentType = res.headers['content-type']
+			var correct = (contentType === 'text/plain; charset=x-user-defined') || (contentType === 'application/json')
+			t.ok(correct, 'content-type either preserved or overridden')
+		} else
+			t.equal(res.headers['content-type'], 'application/json', 'content-type preserved')
+		t.end()
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/lib/webworker-worker.js b/node_modules/stream-http/test/browser/lib/webworker-worker.js
new file mode 100644
index 00000000..c3c8b913
--- /dev/null
+++ b/node_modules/stream-http/test/browser/lib/webworker-worker.js
@@ -0,0 +1,20 @@
+var Buffer = require('buffer').Buffer
+
+var http = require('../../..')
+
+module.exports = function (self) {
+	self.addEventListener('message', function (ev) {
+		var url = ev.data
+		http.get(url, function (res) {
+			var buffers = []
+
+			res.on('end', function () {
+				self.postMessage(Buffer.concat(buffers).buffer)
+			})
+
+			res.on('data', function (data) {
+				buffers.push(data)
+			})
+		})
+	})
+}
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/package.json b/node_modules/stream-http/test/browser/package.json
new file mode 100644
index 00000000..f4f7b5ed
--- /dev/null
+++ b/node_modules/stream-http/test/browser/package.json
@@ -0,0 +1,5 @@
+{
+	"browserify": {
+		"transform": [ "brfs" ]
+	}
+}
diff --git a/node_modules/stream-http/test/browser/post-binary.js b/node_modules/stream-http/test/browser/post-binary.js
new file mode 100644
index 00000000..52f3d7ea
--- /dev/null
+++ b/node_modules/stream-http/test/browser/post-binary.js
@@ -0,0 +1,41 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Binary request bodies don't work in a bunch of browsers
+var skipVerification = ((browserName === 'IE' && browserVersion <= 10) ||
+	(browserName === 'Safari' && browserVersion <= 5) ||
+	(browserName === 'WebKit' && browserVersion <= 534) || // Old mobile safari
+	(browserName === 'Android Browser' && browserVersion <= 4))
+
+var reference = fs.readFileSync(__dirname + '/../server/static/browserify.png')
+
+test('post binary', function (t) {
+	var req = http.request({
+		path: '/echo',
+		method: 'POST'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on this browser')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'echoed contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+
+	req.write(reference)
+	req.end()
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/post-text.js b/node_modules/stream-http/test/browser/post-text.js
new file mode 100644
index 00000000..1cea8d7a
--- /dev/null
+++ b/node_modules/stream-http/test/browser/post-text.js
@@ -0,0 +1,48 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+
+var http = require('../..')
+
+var reference = fs.readFileSync(__dirname + '/../server/static/basic.txt')
+
+test('post text', function (t) {
+	var req = http.request({
+		path: '/echo',
+		method: 'POST'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			t.ok(reference.equals(Buffer.concat(buffers)), 'echoed contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+
+	req.write(reference)
+	req.end()
+})
+
+test('post text with data in end()', function (t) {
+	var req = http.request({
+		path: '/echo',
+		method: 'POST'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			t.ok(reference.equals(Buffer.concat(buffers)), 'echoed contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+
+	req.end(reference)
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/text-streaming.js b/node_modules/stream-http/test/browser/text-streaming.js
new file mode 100644
index 00000000..21693afd
--- /dev/null
+++ b/node_modules/stream-http/test/browser/text-streaming.js
@@ -0,0 +1,43 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Streaming doesn't work in IE9 or below
+var skipStreamingCheck = (browserName === 'IE' && browserVersion <= 9)
+
+var COPIES = 1000
+var MIN_PIECES = 5
+
+var referenceOnce = fs.readFileSync(__dirname + '/../server/static/basic.txt')
+var reference = new Buffer(referenceOnce.length * COPIES)
+for(var i = 0; i < COPIES; i++) {
+	referenceOnce.copy(reference, referenceOnce.length * i)
+}
+
+test('text streaming', function (t) {
+	http.get({
+		path: '/basic.txt?copies=' + COPIES,
+		mode: 'prefer-streaming'
+	}, function (res) {
+		var buffers = []
+
+		res.on('end', function () {
+			if (skipStreamingCheck)
+				t.skip('streaming not available on IE <= 8')
+			else
+				t.ok(buffers.length >= MIN_PIECES, 'received in multiple parts')
+			t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/text.js b/node_modules/stream-http/test/browser/text.js
new file mode 100644
index 00000000..568380ce
--- /dev/null
+++ b/node_modules/stream-http/test/browser/text.js
@@ -0,0 +1,43 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+var url = require('url')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Response urls don't work on many browsers
+var skipResponseUrl = ((browserName === 'IE') ||
+	(browserName === 'Edge') ||
+	(browserName === 'Chrome' && browserVersion <= 36) ||
+	(browserName === 'Firefox' && browserVersion <= 31) ||
+	((browserName === 'Safari' || browserName === 'Mobile Safari') && browserVersion <= 8) ||
+	(browserName === 'WebKit') || // Old mobile safari
+	(browserName === 'Android Browser' && browserVersion <= 4))
+
+var reference = fs.readFileSync(__dirname + '/../server/static/basic.txt')
+
+test('basic functionality', function (t) {
+	http.get('/basic.txt', function (res) {
+		if (!skipResponseUrl) {
+			var testUrl = url.resolve(global.location.href, '/basic.txt')
+			// Redirects aren't tested, but presumably only browser bugs
+			// would cause this to fail only after redirects.
+			t.equals(res.url, testUrl, 'response url correct')
+		}
+
+		var buffers = []
+
+		res.on('end', function () {
+			t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/timeout.js b/node_modules/stream-http/test/browser/timeout.js
new file mode 100644
index 00000000..5e94c482
--- /dev/null
+++ b/node_modules/stream-http/test/browser/timeout.js
@@ -0,0 +1,43 @@
+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+
+var http = require('../..')
+
+test('timeout', function (t) {
+	var req = http.get({
+		path: '/browserify.png?copies=5',
+		requestTimeout: 10 // ms
+	}, function (res) {
+		res.on('data', function (data) {
+		})
+		res.on('end', function () {
+			t.fail('request completed (should have timed out)')
+		})
+	})
+	req.on('requestTimeout', function () {
+		t.pass('got timeout')
+		t.end()
+	})
+})
+
+// TODO: reenable this if there's a way to make it simultaneously
+// fast and reliable
+test.skip('no timeout after success', function (t) {
+	var req = http.get({
+		path: '/basic.txt',
+		requestTimeout: 50000 // ms
+	}, function (res) {
+		res.on('data', function (data) {
+		})
+		res.on('end', function () {
+			t.pass('success')
+			global.setTimeout(function () {
+				t.end()
+			}, 50000)
+		})
+	})
+	req.on('requestTimeout', function () {
+		t.fail('unexpected timeout')
+	})
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/browser/webworker.js b/node_modules/stream-http/test/browser/webworker.js
new file mode 100644
index 00000000..063706cf
--- /dev/null
+++ b/node_modules/stream-http/test/browser/webworker.js
@@ -0,0 +1,31 @@
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+var url = require('url')
+var work = require('webworkify')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Skip browsers with poor or nonexistant WebWorker support
+var skip = ((browserName === 'IE' && browserVersion <= 10) ||
+	(browserName === 'Safari' && browserVersion <= 5) ||
+	(browserName === 'WebKit' && browserVersion <= 534) || // Old mobile safari
+	(browserName === 'Android Browser' && browserVersion <= 4))
+
+var reference = fs.readFileSync(__dirname + '/../server/static/browserify.png')
+
+test('binary download in WebWorker', {
+	skip: skip
+}, function (t) {
+	// We have to use a global url, since webworkify puts the worker in a Blob,
+	// which doesn't have a proper location
+	var testUrl = url.resolve(global.location.href, '/browserify.png')
+	var worker = work(require('./lib/webworker-worker.js'))
+	worker.addEventListener('message', function (ev) {
+		var data = new Buffer(new Uint8Array(ev.data))
+		t.ok(reference.equals(data), 'contents match')
+		t.end()
+	})
+	worker.postMessage(testUrl)
+})
\ No newline at end of file
diff --git a/node_modules/stream-http/test/node/http-browserify.js b/node_modules/stream-http/test/node/http-browserify.js
new file mode 100644
index 00000000..42a718f0
--- /dev/null
+++ b/node_modules/stream-http/test/node/http-browserify.js
@@ -0,0 +1,147 @@
+// These tests are taken from http-browserify to ensure compatibility with
+// that module
+var test = require('tape')
+var url = require('url')
+
+var location = 'http://localhost:8081/foo/123'
+
+var noop = function() {}
+global.location = url.parse(location)
+global.XMLHttpRequest = function() {
+	this.open = noop
+	this.send = noop
+	this.withCredentials = false
+}
+
+var moduleName = require.resolve('../../')
+delete require.cache[moduleName]
+var http = require('../../')
+
+test('Make sure http object has correct properties', function (t) {
+	t.ok(http.Agent, 'Agent defined')
+	t.ok(http.ClientRequest, 'ClientRequest defined')
+	t.ok(http.ClientRequest.prototype, 'ClientRequest.prototype defined')
+	t.ok(http.IncomingMessage, 'IncomingMessage defined')
+	t.ok(http.IncomingMessage.prototype, 'IncomingMessage.prototype defined')
+	t.ok(http.METHODS, 'METHODS defined')
+	t.ok(http.STATUS_CODES, 'STATUS_CODES defined')
+	t.ok(http.get, 'get defined')
+	t.ok(http.globalAgent, 'globalAgent defined')
+	t.ok(http.request, 'request defined')
+	t.end()
+})
+
+test('Test simple url string', function(t) {
+	var testUrl = { path: '/api/foo' }
+	var request = http.get(testUrl, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'http://localhost:8081/api/foo', 'Url should be correct')
+	t.end()
+
+})
+
+test('Test full url object', function(t) {
+	var testUrl = {
+		host: "localhost:8081",
+		hostname: "localhost",
+		href: "http://localhost:8081/api/foo?bar=baz",
+		method: "GET",
+		path: "/api/foo?bar=baz",
+		pathname: "/api/foo",
+		port: "8081",
+		protocol: "http:",
+		query: "bar=baz",
+		search: "?bar=baz",
+		slashes: true
+	}
+
+	var request = http.get(testUrl, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'http://localhost:8081/api/foo?bar=baz', 'Url should be correct')
+	t.end()
+})
+
+test('Test alt protocol', function(t) {
+	var params = {
+		protocol: "foo:",
+		hostname: "localhost",
+		port: "3000",
+		path: "/bar"
+	}
+
+	var request = http.get(params, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'foo://localhost:3000/bar', 'Url should be correct')
+	t.end()
+})
+
+test('Test page with \'file:\' protocol', function (t) {
+	var params = {
+		hostname: 'localhost',
+		port: 3000,
+		path: '/bar'
+	}
+
+	var fileLocation = 'file:///home/me/stuff/index.html'
+
+	var normalLocation = global.location
+	global.location = url.parse(fileLocation) // Temporarily change the location
+	var request = http.get(params, noop)
+	global.location = normalLocation // Reset the location
+
+	var resolved = url.resolve(fileLocation, request._opts.url)
+	t.equal(resolved, 'http://localhost:3000/bar', 'Url should be correct')
+	t.end()
+})
+
+test('Test string as parameters', function(t) {
+	var testUrl = '/api/foo'
+	var request = http.get(testUrl, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'http://localhost:8081/api/foo', 'Url should be correct')
+	t.end()
+})
+
+test('Test withCredentials param', function(t) {
+	var url = '/api/foo'
+
+	var request = http.get({ url: url, withCredentials: false }, noop)
+	t.equal(request._xhr.withCredentials, false, 'xhr.withCredentials should be false')
+
+	var request = http.get({ url: url, withCredentials: true }, noop)
+	t.equal(request._xhr.withCredentials, true, 'xhr.withCredentials should be true')
+
+	var request = http.get({ url: url }, noop)
+	t.equal(request._xhr.withCredentials, false, 'xhr.withCredentials should be false')
+
+	t.end()
+})
+
+test('Test ipv6 address', function(t) {
+	var testUrl = 'http://[::1]:80/foo'
+	var request = http.get(testUrl, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'http://[::1]:80/foo', 'Url should be correct')
+	t.end()
+})
+
+test('Test relative path in url', function(t) {
+	var params = { path: './bar' }
+	var request = http.get(params, noop)
+
+	var resolved = url.resolve(location, request._opts.url)
+	t.equal(resolved, 'http://localhost:8081/foo/bar', 'Url should be correct')
+	t.end()
+})
+
+test('Cleanup', function (t) {
+	delete global.location
+	delete global.XMLHttpRequest
+	delete require.cache[moduleName]
+	t.end()
+})
diff --git a/node_modules/stream-http/test/server/index.js b/node_modules/stream-http/test/server/index.js
new file mode 100644
index 00000000..0a74aed8
--- /dev/null
+++ b/node_modules/stream-http/test/server/index.js
@@ -0,0 +1,137 @@
+var cookieParser = require('cookie-parser')
+var basicAuth = require('basic-auth')
+var express = require('express')
+var fs = require('fs')
+var http = require('http')
+var path = require('path')
+var url = require('url')
+
+var app = express()
+var server = http.createServer(app)
+
+// Otherwise, use 'application/octet-stream'
+var copiesMimeTypes = {
+	'/basic.txt': 'text/plain'
+}
+
+var maxDelay = 5000 // ms
+
+// This should make sure bodies aren't cached
+// so the streaming tests always pass
+app.use(function (req, res, next) {
+	res.setHeader('Cache-Control', 'no-store')
+	next()
+})
+
+app.get('/testHeaders', function (req, res) {
+	var parsed = url.parse(req.url, true)
+
+	// Values in query parameters are sent as response headers
+	Object.keys(parsed.query).forEach(function (key) {
+		res.setHeader('Test-' + key, parsed.query[key])
+	})
+
+	res.setHeader('Content-Type', 'application/json')
+	res.setHeader('Cache-Control', 'no-cache')
+
+	// Request headers are sent in the body as json
+	var reqHeaders = {}
+	Object.keys(req.headers).forEach(function (key) {
+		key = key.toLowerCase()
+		if (key.indexOf('test-') === 0) {
+			// different browsers format request headers with multiple values
+			// slightly differently, so normalize
+			reqHeaders[key] = req.headers[key].replace(', ', ',')
+		}
+	})
+
+	var body = JSON.stringify(reqHeaders)
+	res.setHeader('Content-Length', body.length)
+	res.write(body)
+	res.end()
+})
+
+app.get('/cookie', cookieParser(), function (req, res) {
+	res.setHeader('Content-Type', 'text/plain')
+	res.write('hello=' + req.cookies.hello)
+	res.end()
+})
+
+app.get('/auth', function (req, res) {
+	var user = basicAuth(req)
+
+	if (!user || user.name !== 'TestUser' || user.pass !== 'trustno1') {
+		res.setHeader('WWW-Authenticate', 'Basic realm="example"')
+		res.end('Access denied')
+	} else {
+		res.setHeader('Content-Type', 'text/plain')
+		res.write('You\'re in!')
+		res.end()
+	}
+})
+
+app.post('/echo', function (req, res) {
+	res.setHeader('Content-Type', 'application/octet-stream')
+	req.pipe(res)
+})
+
+app.use('/verifyEmpty', function (req, res) {
+	var empty = true
+	req.on('data', function (buf) {
+		if (buf.length > 0) {
+			empty = false
+		}
+	})
+	req.on('end', function () {
+		res.setHeader('Content-Type', 'text/plain')
+
+		if (empty) {
+			res.end('empty')
+		} else {
+			res.end('not empty')
+		}
+	})
+})
+
+app.use(function (req, res, next) {
+	var parsed = url.parse(req.url, true)
+
+	if ('copies' in parsed.query) {
+		var totalCopies = parseInt(parsed.query.copies, 10)
+		function fail () {
+			res.statusCode = 500
+			res.end()
+		}
+		fs.readFile(path.join(__dirname, 'static', parsed.pathname), function (err, data) {
+			if (err)
+				return fail()
+
+			var mimeType = copiesMimeTypes[parsed.pathname] || 'application/octet-stream'
+			res.setHeader('Content-Type', mimeType)
+			res.setHeader('Content-Length', data.length * totalCopies)
+			var pieceDelay = maxDelay / totalCopies
+			if (pieceDelay > 100)
+				pieceDelay = 100
+
+			function write (copies) {
+				if (copies === 0) 
+					return res.end()
+
+				res.write(data, function (err) {
+					if (err)
+						return fail()
+					setTimeout(write.bind(null, copies - 1), pieceDelay)
+				})
+			}
+			write(totalCopies)
+		})
+		return
+	}
+	next()
+})
+
+app.use(express.static(path.join(__dirname, 'static')))
+
+var port = parseInt(process.env.AIRTAP_PORT) || 8199
+console.log('Test server listening on port', port)
+server.listen(port)
diff --git a/node_modules/stream-http/test/server/static/basic.txt b/node_modules/stream-http/test/server/static/basic.txt
new file mode 100644
index 00000000..aa7a0cc6
--- /dev/null
+++ b/node_modules/stream-http/test/server/static/basic.txt
@@ -0,0 +1,19 @@
+Mary had a little lamb,
+His fleece was white as snow,
+And everywhere that Mary went,
+The lamb was sure to go.
+
+He followed her to school one day,
+Which was against the rule,
+It made the children laugh and play
+To see a lamb at school.
+
+And so the teacher turned it out,
+But still it lingered near,
+And waited patiently about,
+Till Mary did appear.
+
+"Why does the lamb love Mary so?"
+The eager children cry.
+"Why, Mary loves the lamb, you know."
+The teacher did reply.
diff --git a/node_modules/stream-http/test/server/static/browserify.png b/node_modules/stream-http/test/server/static/browserify.png
new file mode 100644
index 00000000..98d6bf5f
Binary files /dev/null and b/node_modules/stream-http/test/server/static/browserify.png differ
diff --git a/node_modules/stream-http/test/server/static/test-polyfill.js b/node_modules/stream-http/test/server/static/test-polyfill.js
new file mode 100644
index 00000000..f6a1a9d3
--- /dev/null
+++ b/node_modules/stream-http/test/server/static/test-polyfill.js
@@ -0,0 +1,9 @@
+if (!String.prototype.trim) {
+  (function() {
+    // Make sure we trim BOM and NBSP
+    var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
+    String.prototype.trim = function() {
+      return this.replace(rtrim, '');
+    };
+  })();
+}
diff --git a/node_modules/stream-shift/.github/workflows/test.yml b/node_modules/stream-shift/.github/workflows/test.yml
new file mode 100644
index 00000000..9b94272e
--- /dev/null
+++ b/node_modules/stream-shift/.github/workflows/test.yml
@@ -0,0 +1,23 @@
+name: Build Status
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  build:
+    strategy:
+      matrix:
+        node-version: [lts/*]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
diff --git a/node_modules/stream-shift/LICENSE b/node_modules/stream-shift/LICENSE
new file mode 100644
index 00000000..bae9da7b
--- /dev/null
+++ b/node_modules/stream-shift/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/stream-shift/README.md b/node_modules/stream-shift/README.md
new file mode 100644
index 00000000..d9cc2d94
--- /dev/null
+++ b/node_modules/stream-shift/README.md
@@ -0,0 +1,25 @@
+# stream-shift
+
+Returns the next buffer/object in a stream's readable queue
+
+```
+npm install stream-shift
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/stream-shift.svg?style=flat)](http://travis-ci.org/mafintosh/stream-shift)
+
+## Usage
+
+``` js
+var shift = require('stream-shift')
+
+console.log(shift(someStream)) // first item in its buffer
+```
+
+## Credit
+
+Thanks [@dignifiedquire](https://github.com/dignifiedquire) for making this work on node 6
+
+## License
+
+MIT
diff --git a/node_modules/stream-shift/index.js b/node_modules/stream-shift/index.js
new file mode 100644
index 00000000..566df888
--- /dev/null
+++ b/node_modules/stream-shift/index.js
@@ -0,0 +1,21 @@
+module.exports = shift
+
+function shift (stream) {
+  var rs = stream._readableState
+  if (!rs) return null
+  return (rs.objectMode || typeof stream._duplexState === 'number') ? stream.read() : stream.read(getStateLength(rs))
+}
+
+function getStateLength (state) {
+  if (state.buffer.length) {
+    var idx = state.bufferIndex || 0
+    // Since node 6.3.0 state.buffer is a BufferList not an array
+    if (state.buffer.head) {
+      return state.buffer.head.data.length
+    } else if (state.buffer.length - idx > 0 && state.buffer[idx]) {
+      return state.buffer[idx].length
+    }
+  }
+
+  return state.length
+}
diff --git a/node_modules/stream-shift/package.json b/node_modules/stream-shift/package.json
new file mode 100644
index 00000000..8fe33011
--- /dev/null
+++ b/node_modules/stream-shift/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "stream-shift",
+  "version": "1.0.3",
+  "description": "Returns the next buffer/object in a stream's readable queue",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "^7.1.2",
+    "tape": "^4.6.0",
+    "through2": "^2.0.1"
+  },
+  "scripts": {
+    "test": "standard && tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/stream-shift.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/stream-shift/issues"
+  },
+  "homepage": "https://github.com/mafintosh/stream-shift"
+}
diff --git a/node_modules/stream-shift/test.js b/node_modules/stream-shift/test.js
new file mode 100644
index 00000000..bf4ed668
--- /dev/null
+++ b/node_modules/stream-shift/test.js
@@ -0,0 +1,48 @@
+var tape = require('tape')
+var through = require('through2')
+var stream = require('stream')
+var shift = require('./')
+
+tape('shifts next', function (t) {
+  var passthrough = through()
+
+  passthrough.write('hello')
+  passthrough.write('world')
+
+  t.same(shift(passthrough), Buffer.from('hello'))
+  t.same(shift(passthrough), Buffer.from('world'))
+  t.end()
+})
+
+tape('shifts next with core', function (t) {
+  var passthrough = stream.PassThrough()
+
+  passthrough.write('hello')
+  passthrough.write('world')
+
+  t.same(shift(passthrough), Buffer.from('hello'))
+  t.same(shift(passthrough), Buffer.from('world'))
+  t.end()
+})
+
+tape('shifts next with object mode', function (t) {
+  var passthrough = through({objectMode: true})
+
+  passthrough.write({hello: 1})
+  passthrough.write({world: 1})
+
+  t.same(shift(passthrough), {hello: 1})
+  t.same(shift(passthrough), {world: 1})
+  t.end()
+})
+
+tape('shifts next with object mode with core', function (t) {
+  var passthrough = stream.PassThrough({objectMode: true})
+
+  passthrough.write({hello: 1})
+  passthrough.write({world: 1})
+
+  t.same(shift(passthrough), {hello: 1})
+  t.same(shift(passthrough), {world: 1})
+  t.end()
+})
diff --git a/node_modules/string_decoder/LICENSE b/node_modules/string_decoder/LICENSE
new file mode 100644
index 00000000..778edb20
--- /dev/null
+++ b/node_modules/string_decoder/LICENSE
@@ -0,0 +1,48 @@
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
diff --git a/node_modules/string_decoder/README.md b/node_modules/string_decoder/README.md
new file mode 100644
index 00000000..5fd58315
--- /dev/null
+++ b/node_modules/string_decoder/README.md
@@ -0,0 +1,47 @@
+# string_decoder
+
+***Node-core v8.9.4 string_decoder for userland***
+
+
+[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
+[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
+
+
+```bash
+npm install --save string_decoder
+```
+
+***Node-core string_decoder for userland***
+
+This package is a mirror of the string_decoder implementation in Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
+
+As of version 1.0.0 **string_decoder** uses semantic versioning.
+
+## Previous versions
+
+Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
+
+## Update
+
+The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
+
+## Streams Working Group
+
+`string_decoder` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+See [readable-stream](https://github.com/nodejs/readable-stream) for
+more details.
diff --git a/node_modules/string_decoder/lib/string_decoder.js b/node_modules/string_decoder/lib/string_decoder.js
new file mode 100644
index 00000000..2e89e63f
--- /dev/null
+++ b/node_modules/string_decoder/lib/string_decoder.js
@@ -0,0 +1,296 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
+
+var isEncoding = Buffer.isEncoding || function (encoding) {
+  encoding = '' + encoding;
+  switch (encoding && encoding.toLowerCase()) {
+    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+      return true;
+    default:
+      return false;
+  }
+};
+
+function _normalizeEncoding(enc) {
+  if (!enc) return 'utf8';
+  var retried;
+  while (true) {
+    switch (enc) {
+      case 'utf8':
+      case 'utf-8':
+        return 'utf8';
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return 'utf16le';
+      case 'latin1':
+      case 'binary':
+        return 'latin1';
+      case 'base64':
+      case 'ascii':
+      case 'hex':
+        return enc;
+      default:
+        if (retried) return; // undefined
+        enc = ('' + enc).toLowerCase();
+        retried = true;
+    }
+  }
+};
+
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+  var nenc = _normalizeEncoding(enc);
+  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+  return nenc || enc;
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+  this.encoding = normalizeEncoding(encoding);
+  var nb;
+  switch (this.encoding) {
+    case 'utf16le':
+      this.text = utf16Text;
+      this.end = utf16End;
+      nb = 4;
+      break;
+    case 'utf8':
+      this.fillLast = utf8FillLast;
+      nb = 4;
+      break;
+    case 'base64':
+      this.text = base64Text;
+      this.end = base64End;
+      nb = 3;
+      break;
+    default:
+      this.write = simpleWrite;
+      this.end = simpleEnd;
+      return;
+  }
+  this.lastNeed = 0;
+  this.lastTotal = 0;
+  this.lastChar = Buffer.allocUnsafe(nb);
+}
+
+StringDecoder.prototype.write = function (buf) {
+  if (buf.length === 0) return '';
+  var r;
+  var i;
+  if (this.lastNeed) {
+    r = this.fillLast(buf);
+    if (r === undefined) return '';
+    i = this.lastNeed;
+    this.lastNeed = 0;
+  } else {
+    i = 0;
+  }
+  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+  return r || '';
+};
+
+StringDecoder.prototype.end = utf8End;
+
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
+
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+  this.lastNeed -= buf.length;
+};
+
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte. If an invalid byte is detected, -2 is returned.
+function utf8CheckByte(byte) {
+  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+  return byte >> 6 === 0x02 ? -1 : -2;
+}
+
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+  var j = buf.length - 1;
+  if (j < i) return 0;
+  var nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 1;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 2;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) {
+      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+    }
+    return nb;
+  }
+  return 0;
+}
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+  if ((buf[0] & 0xC0) !== 0x80) {
+    self.lastNeed = 0;
+    return '\ufffd';
+  }
+  if (self.lastNeed > 1 && buf.length > 1) {
+    if ((buf[1] & 0xC0) !== 0x80) {
+      self.lastNeed = 1;
+      return '\ufffd';
+    }
+    if (self.lastNeed > 2 && buf.length > 2) {
+      if ((buf[2] & 0xC0) !== 0x80) {
+        self.lastNeed = 2;
+        return '\ufffd';
+      }
+    }
+  }
+}
+
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+  var p = this.lastTotal - this.lastNeed;
+  var r = utf8CheckExtraBytes(this, buf, p);
+  if (r !== undefined) return r;
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, p, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, p, 0, buf.length);
+  this.lastNeed -= buf.length;
+}
+
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+  var total = utf8CheckIncomplete(this, buf, i);
+  if (!this.lastNeed) return buf.toString('utf8', i);
+  this.lastTotal = total;
+  var end = buf.length - (total - this.lastNeed);
+  buf.copy(this.lastChar, 0, end);
+  return buf.toString('utf8', i, end);
+}
+
+// For UTF-8, a replacement character is added when ending on a partial
+// character.
+function utf8End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + '\ufffd';
+  return r;
+}
+
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+  if ((buf.length - i) % 2 === 0) {
+    var r = buf.toString('utf16le', i);
+    if (r) {
+      var c = r.charCodeAt(r.length - 1);
+      if (c >= 0xD800 && c <= 0xDBFF) {
+        this.lastNeed = 2;
+        this.lastTotal = 4;
+        this.lastChar[0] = buf[buf.length - 2];
+        this.lastChar[1] = buf[buf.length - 1];
+        return r.slice(0, -1);
+      }
+    }
+    return r;
+  }
+  this.lastNeed = 1;
+  this.lastTotal = 2;
+  this.lastChar[0] = buf[buf.length - 1];
+  return buf.toString('utf16le', i, buf.length - 1);
+}
+
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) {
+    var end = this.lastTotal - this.lastNeed;
+    return r + this.lastChar.toString('utf16le', 0, end);
+  }
+  return r;
+}
+
+function base64Text(buf, i) {
+  var n = (buf.length - i) % 3;
+  if (n === 0) return buf.toString('base64', i);
+  this.lastNeed = 3 - n;
+  this.lastTotal = 3;
+  if (n === 1) {
+    this.lastChar[0] = buf[buf.length - 1];
+  } else {
+    this.lastChar[0] = buf[buf.length - 2];
+    this.lastChar[1] = buf[buf.length - 1];
+  }
+  return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+  return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+  return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+  return buf && buf.length ? this.write(buf) : '';
+}
\ No newline at end of file
diff --git a/node_modules/string_decoder/package.json b/node_modules/string_decoder/package.json
new file mode 100644
index 00000000..b2bb1411
--- /dev/null
+++ b/node_modules/string_decoder/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "string_decoder",
+  "version": "1.3.0",
+  "description": "The string_decoder module from Node core",
+  "main": "lib/string_decoder.js",
+  "files": [
+    "lib"
+  ],
+  "dependencies": {
+    "safe-buffer": "~5.2.0"
+  },
+  "devDependencies": {
+    "babel-polyfill": "^6.23.0",
+    "core-util-is": "^1.0.2",
+    "inherits": "^2.0.3",
+    "tap": "~0.4.8"
+  },
+  "scripts": {
+    "test": "tap test/parallel/*.js && node test/verify-dependencies",
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/string_decoder.git"
+  },
+  "homepage": "https://github.com/nodejs/string_decoder",
+  "keywords": [
+    "string",
+    "decoder",
+    "browser",
+    "browserify"
+  ],
+  "license": "MIT"
+}
diff --git a/node_modules/tapable/LICENSE b/node_modules/tapable/LICENSE
new file mode 100644
index 00000000..084338a5
--- /dev/null
+++ b/node_modules/tapable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) Tobias Koppers @sokra
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/tapable/README.md b/node_modules/tapable/README.md
new file mode 100644
index 00000000..c03e5dd6
--- /dev/null
+++ b/node_modules/tapable/README.md
@@ -0,0 +1,294 @@
+# Tapable
+
+The tapable package expose many Hook classes, which can be used to create hooks for plugins.
+
+``` javascript
+const {
+	SyncHook,
+	SyncBailHook,
+	SyncWaterfallHook,
+	SyncLoopHook,
+	AsyncParallelHook,
+	AsyncParallelBailHook,
+	AsyncSeriesHook,
+	AsyncSeriesBailHook,
+	AsyncSeriesWaterfallHook
+ } = require("tapable");
+```
+
+## Installation
+
+``` shell
+npm install --save tapable
+```
+
+## Usage
+
+All Hook constructors take one optional argument, which is a list of argument names as strings.
+
+``` js
+const hook = new SyncHook(["arg1", "arg2", "arg3"]);
+```
+
+The best practice is to expose all hooks of a class in a `hooks` property:
+
+``` js
+class Car {
+	constructor() {
+		this.hooks = {
+			accelerate: new SyncHook(["newSpeed"]),
+			brake: new SyncHook(),
+			calculateRoutes: new AsyncParallelHook(["source", "target", "routesList"])
+		};
+	}
+
+	/* ... */
+}
+```
+
+Other people can now use these hooks:
+
+``` js
+const myCar = new Car();
+
+// Use the tap method to add a consument
+myCar.hooks.brake.tap("WarningLampPlugin", () => warningLamp.on());
+```
+
+It's required to pass a name to identify the plugin/reason.
+
+You may receive arguments:
+
+``` js
+myCar.hooks.accelerate.tap("LoggerPlugin", newSpeed => console.log(`Accelerating to ${newSpeed}`));
+```
+
+For sync hooks, `tap` is the only valid method to add a plugin. Async hooks also support async plugins:
+
+``` js
+myCar.hooks.calculateRoutes.tapPromise("GoogleMapsPlugin", (source, target, routesList) => {
+	// return a promise
+	return google.maps.findRoute(source, target).then(route => {
+		routesList.add(route);
+	});
+});
+myCar.hooks.calculateRoutes.tapAsync("BingMapsPlugin", (source, target, routesList, callback) => {
+	bing.findRoute(source, target, (err, route) => {
+		if(err) return callback(err);
+		routesList.add(route);
+		// call the callback
+		callback();
+	});
+});
+
+// You can still use sync plugins
+myCar.hooks.calculateRoutes.tap("CachedRoutesPlugin", (source, target, routesList) => {
+	const cachedRoute = cache.get(source, target);
+	if(cachedRoute)
+		routesList.add(cachedRoute);
+})
+```
+
+The class declaring these hooks need to call them:
+
+``` js
+class Car {
+	/* ... */
+
+	setSpeed(newSpeed) {
+		this.hooks.accelerate.call(newSpeed);
+	}
+
+	useNavigationSystemPromise(source, target) {
+		const routesList = new List();
+		return this.hooks.calculateRoutes.promise(source, target, routesList).then(() => {
+			return routesList.getRoutes();
+		});
+	}
+
+	useNavigationSystemAsync(source, target, callback) {
+		const routesList = new List();
+		this.hooks.calculateRoutes.callAsync(source, target, routesList, err => {
+			if(err) return callback(err);
+			callback(null, routesList.getRoutes());
+		});
+	}
+}
+```
+
+The Hook will compile a method with the most efficient way of running your plugins. It generates code depending on:
+* The number of registered plugins (none, one, many)
+* The kind of registered plugins (sync, async, promise)
+* The used call method (sync, async, promise)
+* The number of arguments
+* Whether interception is used
+
+This ensures fastest possible execution.
+
+## Hook types
+
+Each hook can be tapped with one or several functions. How they are executed depends on the hook type:
+
+* Basic hook (without “Waterfall”, “Bail” or “Loop” in its name). This hook simply calls every function it tapped in a row.
+
+* __Waterfall__. A waterfall hook also calls each tapped function in a row. Unlike the basic hook, it passes a return value from each function to the next function.
+
+* __Bail__. A bail hook allows exiting early. When any of the tapped function returns anything, the bail hook will stop executing the remaining ones.
+
+* __Loop__. TODO
+
+Additionally, hooks can be synchronous or asynchronous. To reflect this, there’re “Sync”, “AsyncSeries”, and “AsyncParallel” hook classes:
+
+* __Sync__. A sync hook can only be tapped with synchronous functions (using `myHook.tap()`).
+
+* __AsyncSeries__. An async-series hook can be tapped with synchronous, callback-based and promise-based functions (using `myHook.tap()`, `myHook.tapAsync()` and `myHook.tapPromise()`). They call each async method in a row.
+
+* __AsyncParallel__. An async-parallel hook can also be tapped with synchronous, callback-based and promise-based functions (using `myHook.tap()`, `myHook.tapAsync()` and `myHook.tapPromise()`). However, they run each async method in parallel.
+
+The hook type is reflected in its class name. E.g., `AsyncSeriesWaterfallHook` allows asynchronous functions and runs them in series, passing each function’s return value into the next function.
+
+
+## Interception
+
+All Hooks offer an additional interception API:
+
+``` js
+myCar.hooks.calculateRoutes.intercept({
+	call: (source, target, routesList) => {
+		console.log("Starting to calculate routes");
+	},
+	register: (tapInfo) => {
+		// tapInfo = { type: "promise", name: "GoogleMapsPlugin", fn: ... }
+		console.log(`${tapInfo.name} is doing its job`);
+		return tapInfo; // may return a new tapInfo object
+	}
+})
+```
+
+**call**: `(...args) => void` Adding `call` to your interceptor will trigger when hooks are triggered. You have access to the hooks arguments.
+
+**tap**: `(tap: Tap) => void` Adding `tap` to your interceptor will trigger when a plugin taps into a hook. Provided is the `Tap` object. `Tap` object can't be changed.
+
+**loop**: `(...args) => void` Adding `loop` to your interceptor will trigger for each loop of a looping hook.
+
+**register**: `(tap: Tap) => Tap | undefined` Adding `register` to your interceptor will trigger for each added `Tap` and allows to modify it.
+
+## Context
+
+Plugins and interceptors can opt-in to access an optional `context` object, which can be used to pass arbitrary values to subsequent plugins and interceptors.
+
+``` js
+myCar.hooks.accelerate.intercept({
+	context: true,
+	tap: (context, tapInfo) => {
+		// tapInfo = { type: "sync", name: "NoisePlugin", fn: ... }
+		console.log(`${tapInfo.name} is doing it's job`);
+
+		// `context` starts as an empty object if at least one plugin uses `context: true`.
+		// If no plugins use `context: true`, then `context` is undefined.
+		if (context) {
+			// Arbitrary properties can be added to `context`, which plugins can then access.
+			context.hasMuffler = true;
+		}
+	}
+});
+
+myCar.hooks.accelerate.tap({
+	name: "NoisePlugin",
+	context: true
+}, (context, newSpeed) => {
+	if (context && context.hasMuffler) {
+		console.log("Silence...");
+	} else {
+		console.log("Vroom!");
+	}
+});
+```
+
+## HookMap
+
+A HookMap is a helper class for a Map with Hooks
+
+``` js
+const keyedHook = new HookMap(key => new SyncHook(["arg"]))
+```
+
+``` js
+keyedHook.tap("some-key", "MyPlugin", (arg) => { /* ... */ });
+keyedHook.tapAsync("some-key", "MyPlugin", (arg, callback) => { /* ... */ });
+keyedHook.tapPromise("some-key", "MyPlugin", (arg) => { /* ... */ });
+```
+
+``` js
+const hook = keyedHook.get("some-key");
+if(hook !== undefined) {
+	hook.callAsync("arg", err => { /* ... */ });
+}
+```
+
+## Hook/HookMap interface
+
+Public:
+
+``` ts
+interface Hook {
+	tap: (name: string | Tap, fn: (context?, ...args) => Result) => void,
+	tapAsync: (name: string | Tap, fn: (context?, ...args, callback: (err, result: Result) => void) => void) => void,
+	tapPromise: (name: string | Tap, fn: (context?, ...args) => Promise<Result>) => void,
+	intercept: (interceptor: HookInterceptor) => void
+}
+
+interface HookInterceptor {
+	call: (context?, ...args) => void,
+	loop: (context?, ...args) => void,
+	tap: (context?, tap: Tap) => void,
+	register: (tap: Tap) => Tap,
+	context: boolean
+}
+
+interface HookMap {
+	for: (key: any) => Hook,
+	tap: (key: any, name: string | Tap, fn: (context?, ...args) => Result) => void,
+	tapAsync: (key: any, name: string | Tap, fn: (context?, ...args, callback: (err, result: Result) => void) => void) => void,
+	tapPromise: (key: any, name: string | Tap, fn: (context?, ...args) => Promise<Result>) => void,
+	intercept: (interceptor: HookMapInterceptor) => void
+}
+
+interface HookMapInterceptor {
+	factory: (key: any, hook: Hook) => Hook
+}
+
+interface Tap {
+	name: string,
+	type: string
+	fn: Function,
+	stage: number,
+	context: boolean
+}
+```
+
+Protected (only for the class containing the hook):
+
+``` ts
+interface Hook {
+	isUsed: () => boolean,
+	call: (...args) => Result,
+	promise: (...args) => Promise<Result>,
+	callAsync: (...args, callback: (err, result: Result) => void) => void,
+}
+
+interface HookMap {
+	get: (key: any) => Hook | undefined,
+	for: (key: any) => Hook
+}
+```
+
+## MultiHook
+
+A helper Hook-like class to redirect taps to multiple other hooks:
+
+``` js
+const { MultiHook } = require("tapable");
+
+this.hooks.allHooks = new MultiHook([this.hooks.hookA, this.hooks.hookB]);
+```
diff --git a/node_modules/tapable/lib/AsyncParallelBailHook.js b/node_modules/tapable/lib/AsyncParallelBailHook.js
new file mode 100644
index 00000000..3f4476d0
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncParallelBailHook.js
@@ -0,0 +1,80 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncParallelBailHookCodeFactory extends HookCodeFactory {
+	content({ onError, onResult, onDone }) {
+		let code = "";
+		code += `var _results = new Array(${this.options.taps.length});\n`;
+		code += "var _checkDone = () => {\n";
+		code += "for(var i = 0; i < _results.length; i++) {\n";
+		code += "var item = _results[i];\n";
+		code += "if(item === undefined) return false;\n";
+		code += "if(item.result !== undefined) {\n";
+		code += onResult("item.result");
+		code += "return true;\n";
+		code += "}\n";
+		code += "if(item.error) {\n";
+		code += onError("item.error");
+		code += "return true;\n";
+		code += "}\n";
+		code += "}\n";
+		code += "return false;\n";
+		code += "}\n";
+		code += this.callTapsParallel({
+			onError: (i, err, done, doneBreak) => {
+				let code = "";
+				code += `if(${i} < _results.length && ((_results.length = ${i +
+					1}), (_results[${i}] = { error: ${err} }), _checkDone())) {\n`;
+				code += doneBreak(true);
+				code += "} else {\n";
+				code += done();
+				code += "}\n";
+				return code;
+			},
+			onResult: (i, result, done, doneBreak) => {
+				let code = "";
+				code += `if(${i} < _results.length && (${result} !== undefined && (_results.length = ${i +
+					1}), (_results[${i}] = { result: ${result} }), _checkDone())) {\n`;
+				code += doneBreak(true);
+				code += "} else {\n";
+				code += done();
+				code += "}\n";
+				return code;
+			},
+			onTap: (i, run, done, doneBreak) => {
+				let code = "";
+				if (i > 0) {
+					code += `if(${i} >= _results.length) {\n`;
+					code += done();
+					code += "} else {\n";
+				}
+				code += run();
+				if (i > 0) code += "}\n";
+				return code;
+			},
+			onDone
+		});
+		return code;
+	}
+}
+
+const factory = new AsyncParallelBailHookCodeFactory();
+
+class AsyncParallelBailHook extends Hook {
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncParallelBailHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncParallelBailHook;
diff --git a/node_modules/tapable/lib/AsyncParallelHook.js b/node_modules/tapable/lib/AsyncParallelHook.js
new file mode 100644
index 00000000..d1e02370
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncParallelHook.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncParallelHookCodeFactory extends HookCodeFactory {
+	content({ onError, onDone }) {
+		return this.callTapsParallel({
+			onError: (i, err, done, doneBreak) => onError(err) + doneBreak(true),
+			onDone
+		});
+	}
+}
+
+const factory = new AsyncParallelHookCodeFactory();
+
+class AsyncParallelHook extends Hook {
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncParallelHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncParallelHook;
diff --git a/node_modules/tapable/lib/AsyncSeriesBailHook.js b/node_modules/tapable/lib/AsyncSeriesBailHook.js
new file mode 100644
index 00000000..dc109359
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncSeriesBailHook.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncSeriesBailHookCodeFactory extends HookCodeFactory {
+	content({ onError, onResult, resultReturns, onDone }) {
+		return this.callTapsSeries({
+			onError: (i, err, next, doneBreak) => onError(err) + doneBreak(true),
+			onResult: (i, result, next) =>
+				`if(${result} !== undefined) {\n${onResult(
+					result
+				)};\n} else {\n${next()}}\n`,
+			resultReturns,
+			onDone
+		});
+	}
+}
+
+const factory = new AsyncSeriesBailHookCodeFactory();
+
+class AsyncSeriesBailHook extends Hook {
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncSeriesBailHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncSeriesBailHook;
diff --git a/node_modules/tapable/lib/AsyncSeriesHook.js b/node_modules/tapable/lib/AsyncSeriesHook.js
new file mode 100644
index 00000000..f021c448
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncSeriesHook.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncSeriesHookCodeFactory extends HookCodeFactory {
+	content({ onError, onDone }) {
+		return this.callTapsSeries({
+			onError: (i, err, next, doneBreak) => onError(err) + doneBreak(true),
+			onDone
+		});
+	}
+}
+
+const factory = new AsyncSeriesHookCodeFactory();
+
+class AsyncSeriesHook extends Hook {
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncSeriesHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncSeriesHook;
diff --git a/node_modules/tapable/lib/AsyncSeriesLoopHook.js b/node_modules/tapable/lib/AsyncSeriesLoopHook.js
new file mode 100644
index 00000000..f5002884
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncSeriesLoopHook.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncSeriesLoopHookCodeFactory extends HookCodeFactory {
+	content({ onError, onDone }) {
+		return this.callTapsLooping({
+			onError: (i, err, next, doneBreak) => onError(err) + doneBreak(true),
+			onDone
+		});
+	}
+}
+
+const factory = new AsyncSeriesLoopHookCodeFactory();
+
+class AsyncSeriesLoopHook extends Hook {
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncSeriesLoopHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncSeriesLoopHook;
diff --git a/node_modules/tapable/lib/AsyncSeriesWaterfallHook.js b/node_modules/tapable/lib/AsyncSeriesWaterfallHook.js
new file mode 100644
index 00000000..d5532bf5
--- /dev/null
+++ b/node_modules/tapable/lib/AsyncSeriesWaterfallHook.js
@@ -0,0 +1,46 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class AsyncSeriesWaterfallHookCodeFactory extends HookCodeFactory {
+	content({ onError, onResult, onDone }) {
+		return this.callTapsSeries({
+			onError: (i, err, next, doneBreak) => onError(err) + doneBreak(true),
+			onResult: (i, result, next) => {
+				let code = "";
+				code += `if(${result} !== undefined) {\n`;
+				code += `${this._args[0]} = ${result};\n`;
+				code += `}\n`;
+				code += next();
+				return code;
+			},
+			onDone: () => onResult(this._args[0])
+		});
+	}
+}
+
+const factory = new AsyncSeriesWaterfallHookCodeFactory();
+
+class AsyncSeriesWaterfallHook extends Hook {
+	constructor(args) {
+		super(args);
+		if (args.length < 1)
+			throw new Error("Waterfall hooks must have at least one argument");
+	}
+
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+Object.defineProperties(AsyncSeriesWaterfallHook.prototype, {
+	_call: { value: undefined, configurable: true, writable: true }
+});
+
+module.exports = AsyncSeriesWaterfallHook;
diff --git a/node_modules/tapable/lib/Hook.js b/node_modules/tapable/lib/Hook.js
new file mode 100644
index 00000000..6a976e9e
--- /dev/null
+++ b/node_modules/tapable/lib/Hook.js
@@ -0,0 +1,176 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class Hook {
+	constructor(args) {
+		if (!Array.isArray(args)) args = [];
+		this._args = args;
+		this.taps = [];
+		this.interceptors = [];
+		this.call = this._call;
+		this.promise = this._promise;
+		this.callAsync = this._callAsync;
+		this._x = undefined;
+	}
+
+	compile(options) {
+		throw new Error("Abstract: should be overriden");
+	}
+
+	_createCall(type) {
+		return this.compile({
+			taps: this.taps,
+			interceptors: this.interceptors,
+			args: this._args,
+			type: type
+		});
+	}
+
+	tap(options, fn) {
+		if (typeof options === "string") options = { name: options };
+		if (typeof options !== "object" || options === null)
+			throw new Error(
+				"Invalid arguments to tap(options: Object, fn: function)"
+			);
+		options = Object.assign({ type: "sync", fn: fn }, options);
+		if (typeof options.name !== "string" || options.name === "")
+			throw new Error("Missing name for tap");
+		options = this._runRegisterInterceptors(options);
+		this._insert(options);
+	}
+
+	tapAsync(options, fn) {
+		if (typeof options === "string") options = { name: options };
+		if (typeof options !== "object" || options === null)
+			throw new Error(
+				"Invalid arguments to tapAsync(options: Object, fn: function)"
+			);
+		options = Object.assign({ type: "async", fn: fn }, options);
+		if (typeof options.name !== "string" || options.name === "")
+			throw new Error("Missing name for tapAsync");
+		options = this._runRegisterInterceptors(options);
+		this._insert(options);
+	}
+
+	tapPromise(options, fn) {
+		if (typeof options === "string") options = { name: options };
+		if (typeof options !== "object" || options === null)
+			throw new Error(
+				"Invalid arguments to tapPromise(options: Object, fn: function)"
+			);
+		options = Object.assign({ type: "promise", fn: fn }, options);
+		if (typeof options.name !== "string" || options.name === "")
+			throw new Error("Missing name for tapPromise");
+		options = this._runRegisterInterceptors(options);
+		this._insert(options);
+	}
+
+	_runRegisterInterceptors(options) {
+		for (const interceptor of this.interceptors) {
+			if (interceptor.register) {
+				const newOptions = interceptor.register(options);
+				if (newOptions !== undefined) options = newOptions;
+			}
+		}
+		return options;
+	}
+
+	withOptions(options) {
+		const mergeOptions = opt =>
+			Object.assign({}, options, typeof opt === "string" ? { name: opt } : opt);
+
+		// Prevent creating endless prototype chains
+		options = Object.assign({}, options, this._withOptions);
+		const base = this._withOptionsBase || this;
+		const newHook = Object.create(base);
+
+		(newHook.tapAsync = (opt, fn) => base.tapAsync(mergeOptions(opt), fn)),
+			(newHook.tap = (opt, fn) => base.tap(mergeOptions(opt), fn));
+		newHook.tapPromise = (opt, fn) => base.tapPromise(mergeOptions(opt), fn);
+		newHook._withOptions = options;
+		newHook._withOptionsBase = base;
+		return newHook;
+	}
+
+	isUsed() {
+		return this.taps.length > 0 || this.interceptors.length > 0;
+	}
+
+	intercept(interceptor) {
+		this._resetCompilation();
+		this.interceptors.push(Object.assign({}, interceptor));
+		if (interceptor.register) {
+			for (let i = 0; i < this.taps.length; i++)
+				this.taps[i] = interceptor.register(this.taps[i]);
+		}
+	}
+
+	_resetCompilation() {
+		this.call = this._call;
+		this.callAsync = this._callAsync;
+		this.promise = this._promise;
+	}
+
+	_insert(item) {
+		this._resetCompilation();
+		let before;
+		if (typeof item.before === "string") before = new Set([item.before]);
+		else if (Array.isArray(item.before)) {
+			before = new Set(item.before);
+		}
+		let stage = 0;
+		if (typeof item.stage === "number") stage = item.stage;
+		let i = this.taps.length;
+		while (i > 0) {
+			i--;
+			const x = this.taps[i];
+			this.taps[i + 1] = x;
+			const xStage = x.stage || 0;
+			if (before) {
+				if (before.has(x.name)) {
+					before.delete(x.name);
+					continue;
+				}
+				if (before.size > 0) {
+					continue;
+				}
+			}
+			if (xStage > stage) {
+				continue;
+			}
+			i++;
+			break;
+		}
+		this.taps[i] = item;
+	}
+}
+
+function createCompileDelegate(name, type) {
+	return function lazyCompileHook(...args) {
+		this[name] = this._createCall(type);
+		return this[name](...args);
+	};
+}
+
+Object.defineProperties(Hook.prototype, {
+	_call: {
+		value: createCompileDelegate("call", "sync"),
+		configurable: true,
+		writable: true
+	},
+	_promise: {
+		value: createCompileDelegate("promise", "promise"),
+		configurable: true,
+		writable: true
+	},
+	_callAsync: {
+		value: createCompileDelegate("callAsync", "async"),
+		configurable: true,
+		writable: true
+	}
+});
+
+module.exports = Hook;
diff --git a/node_modules/tapable/lib/HookCodeFactory.js b/node_modules/tapable/lib/HookCodeFactory.js
new file mode 100644
index 00000000..36ff2bdf
--- /dev/null
+++ b/node_modules/tapable/lib/HookCodeFactory.js
@@ -0,0 +1,407 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class HookCodeFactory {
+	constructor(config) {
+		this.config = config;
+		this.options = undefined;
+		this._args = undefined;
+	}
+
+	create(options) {
+		this.init(options);
+		let fn;
+		switch (this.options.type) {
+			case "sync":
+				fn = new Function(
+					this.args(),
+					'"use strict";\n' +
+						this.header() +
+						this.content({
+							onError: err => `throw ${err};\n`,
+							onResult: result => `return ${result};\n`,
+							resultReturns: true,
+							onDone: () => "",
+							rethrowIfPossible: true
+						})
+				);
+				break;
+			case "async":
+				fn = new Function(
+					this.args({
+						after: "_callback"
+					}),
+					'"use strict";\n' +
+						this.header() +
+						this.content({
+							onError: err => `_callback(${err});\n`,
+							onResult: result => `_callback(null, ${result});\n`,
+							onDone: () => "_callback();\n"
+						})
+				);
+				break;
+			case "promise":
+				let errorHelperUsed = false;
+				const content = this.content({
+					onError: err => {
+						errorHelperUsed = true;
+						return `_error(${err});\n`;
+					},
+					onResult: result => `_resolve(${result});\n`,
+					onDone: () => "_resolve();\n"
+				});
+				let code = "";
+				code += '"use strict";\n';
+				code += "return new Promise((_resolve, _reject) => {\n";
+				if (errorHelperUsed) {
+					code += "var _sync = true;\n";
+					code += "function _error(_err) {\n";
+					code += "if(_sync)\n";
+					code += "_resolve(Promise.resolve().then(() => { throw _err; }));\n";
+					code += "else\n";
+					code += "_reject(_err);\n";
+					code += "};\n";
+				}
+				code += this.header();
+				code += content;
+				if (errorHelperUsed) {
+					code += "_sync = false;\n";
+				}
+				code += "});\n";
+				fn = new Function(this.args(), code);
+				break;
+		}
+		this.deinit();
+		return fn;
+	}
+
+	setup(instance, options) {
+		instance._x = options.taps.map(t => t.fn);
+	}
+
+	/**
+	 * @param {{ type: "sync" | "promise" | "async", taps: Array<Tap>, interceptors: Array<Interceptor> }} options
+	 */
+	init(options) {
+		this.options = options;
+		this._args = options.args.slice();
+	}
+
+	deinit() {
+		this.options = undefined;
+		this._args = undefined;
+	}
+
+	header() {
+		let code = "";
+		if (this.needContext()) {
+			code += "var _context = {};\n";
+		} else {
+			code += "var _context;\n";
+		}
+		code += "var _x = this._x;\n";
+		if (this.options.interceptors.length > 0) {
+			code += "var _taps = this.taps;\n";
+			code += "var _interceptors = this.interceptors;\n";
+		}
+		for (let i = 0; i < this.options.interceptors.length; i++) {
+			const interceptor = this.options.interceptors[i];
+			if (interceptor.call) {
+				code += `${this.getInterceptor(i)}.call(${this.args({
+					before: interceptor.context ? "_context" : undefined
+				})});\n`;
+			}
+		}
+		return code;
+	}
+
+	needContext() {
+		for (const tap of this.options.taps) if (tap.context) return true;
+		return false;
+	}
+
+	callTap(tapIndex, { onError, onResult, onDone, rethrowIfPossible }) {
+		let code = "";
+		let hasTapCached = false;
+		for (let i = 0; i < this.options.interceptors.length; i++) {
+			const interceptor = this.options.interceptors[i];
+			if (interceptor.tap) {
+				if (!hasTapCached) {
+					code += `var _tap${tapIndex} = ${this.getTap(tapIndex)};\n`;
+					hasTapCached = true;
+				}
+				code += `${this.getInterceptor(i)}.tap(${
+					interceptor.context ? "_context, " : ""
+				}_tap${tapIndex});\n`;
+			}
+		}
+		code += `var _fn${tapIndex} = ${this.getTapFn(tapIndex)};\n`;
+		const tap = this.options.taps[tapIndex];
+		switch (tap.type) {
+			case "sync":
+				if (!rethrowIfPossible) {
+					code += `var _hasError${tapIndex} = false;\n`;
+					code += "try {\n";
+				}
+				if (onResult) {
+					code += `var _result${tapIndex} = _fn${tapIndex}(${this.args({
+						before: tap.context ? "_context" : undefined
+					})});\n`;
+				} else {
+					code += `_fn${tapIndex}(${this.args({
+						before: tap.context ? "_context" : undefined
+					})});\n`;
+				}
+				if (!rethrowIfPossible) {
+					code += "} catch(_err) {\n";
+					code += `_hasError${tapIndex} = true;\n`;
+					code += onError("_err");
+					code += "}\n";
+					code += `if(!_hasError${tapIndex}) {\n`;
+				}
+				if (onResult) {
+					code += onResult(`_result${tapIndex}`);
+				}
+				if (onDone) {
+					code += onDone();
+				}
+				if (!rethrowIfPossible) {
+					code += "}\n";
+				}
+				break;
+			case "async":
+				let cbCode = "";
+				if (onResult) cbCode += `(_err${tapIndex}, _result${tapIndex}) => {\n`;
+				else cbCode += `_err${tapIndex} => {\n`;
+				cbCode += `if(_err${tapIndex}) {\n`;
+				cbCode += onError(`_err${tapIndex}`);
+				cbCode += "} else {\n";
+				if (onResult) {
+					cbCode += onResult(`_result${tapIndex}`);
+				}
+				if (onDone) {
+					cbCode += onDone();
+				}
+				cbCode += "}\n";
+				cbCode += "}";
+				code += `_fn${tapIndex}(${this.args({
+					before: tap.context ? "_context" : undefined,
+					after: cbCode
+				})});\n`;
+				break;
+			case "promise":
+				code += `var _hasResult${tapIndex} = false;\n`;
+				code += `var _promise${tapIndex} = _fn${tapIndex}(${this.args({
+					before: tap.context ? "_context" : undefined
+				})});\n`;
+				code += `if (!_promise${tapIndex} || !_promise${tapIndex}.then)\n`;
+				code += `  throw new Error('Tap function (tapPromise) did not return promise (returned ' + _promise${tapIndex} + ')');\n`;
+				code += `_promise${tapIndex}.then(_result${tapIndex} => {\n`;
+				code += `_hasResult${tapIndex} = true;\n`;
+				if (onResult) {
+					code += onResult(`_result${tapIndex}`);
+				}
+				if (onDone) {
+					code += onDone();
+				}
+				code += `}, _err${tapIndex} => {\n`;
+				code += `if(_hasResult${tapIndex}) throw _err${tapIndex};\n`;
+				code += onError(`_err${tapIndex}`);
+				code += "});\n";
+				break;
+		}
+		return code;
+	}
+
+	callTapsSeries({
+		onError,
+		onResult,
+		resultReturns,
+		onDone,
+		doneReturns,
+		rethrowIfPossible
+	}) {
+		if (this.options.taps.length === 0) return onDone();
+		const firstAsync = this.options.taps.findIndex(t => t.type !== "sync");
+		const somethingReturns = resultReturns || doneReturns || false;
+		let code = "";
+		let current = onDone;
+		for (let j = this.options.taps.length - 1; j >= 0; j--) {
+			const i = j;
+			const unroll = current !== onDone && this.options.taps[i].type !== "sync";
+			if (unroll) {
+				code += `function _next${i}() {\n`;
+				code += current();
+				code += `}\n`;
+				current = () => `${somethingReturns ? "return " : ""}_next${i}();\n`;
+			}
+			const done = current;
+			const doneBreak = skipDone => {
+				if (skipDone) return "";
+				return onDone();
+			};
+			const content = this.callTap(i, {
+				onError: error => onError(i, error, done, doneBreak),
+				onResult:
+					onResult &&
+					(result => {
+						return onResult(i, result, done, doneBreak);
+					}),
+				onDone: !onResult && done,
+				rethrowIfPossible:
+					rethrowIfPossible && (firstAsync < 0 || i < firstAsync)
+			});
+			current = () => content;
+		}
+		code += current();
+		return code;
+	}
+
+	callTapsLooping({ onError, onDone, rethrowIfPossible }) {
+		if (this.options.taps.length === 0) return onDone();
+		const syncOnly = this.options.taps.every(t => t.type === "sync");
+		let code = "";
+		if (!syncOnly) {
+			code += "var _looper = () => {\n";
+			code += "var _loopAsync = false;\n";
+		}
+		code += "var _loop;\n";
+		code += "do {\n";
+		code += "_loop = false;\n";
+		for (let i = 0; i < this.options.interceptors.length; i++) {
+			const interceptor = this.options.interceptors[i];
+			if (interceptor.loop) {
+				code += `${this.getInterceptor(i)}.loop(${this.args({
+					before: interceptor.context ? "_context" : undefined
+				})});\n`;
+			}
+		}
+		code += this.callTapsSeries({
+			onError,
+			onResult: (i, result, next, doneBreak) => {
+				let code = "";
+				code += `if(${result} !== undefined) {\n`;
+				code += "_loop = true;\n";
+				if (!syncOnly) code += "if(_loopAsync) _looper();\n";
+				code += doneBreak(true);
+				code += `} else {\n`;
+				code += next();
+				code += `}\n`;
+				return code;
+			},
+			onDone:
+				onDone &&
+				(() => {
+					let code = "";
+					code += "if(!_loop) {\n";
+					code += onDone();
+					code += "}\n";
+					return code;
+				}),
+			rethrowIfPossible: rethrowIfPossible && syncOnly
+		});
+		code += "} while(_loop);\n";
+		if (!syncOnly) {
+			code += "_loopAsync = true;\n";
+			code += "};\n";
+			code += "_looper();\n";
+		}
+		return code;
+	}
+
+	callTapsParallel({
+		onError,
+		onResult,
+		onDone,
+		rethrowIfPossible,
+		onTap = (i, run) => run()
+	}) {
+		if (this.options.taps.length <= 1) {
+			return this.callTapsSeries({
+				onError,
+				onResult,
+				onDone,
+				rethrowIfPossible
+			});
+		}
+		let code = "";
+		code += "do {\n";
+		code += `var _counter = ${this.options.taps.length};\n`;
+		if (onDone) {
+			code += "var _done = () => {\n";
+			code += onDone();
+			code += "};\n";
+		}
+		for (let i = 0; i < this.options.taps.length; i++) {
+			const done = () => {
+				if (onDone) return "if(--_counter === 0) _done();\n";
+				else return "--_counter;";
+			};
+			const doneBreak = skipDone => {
+				if (skipDone || !onDone) return "_counter = 0;\n";
+				else return "_counter = 0;\n_done();\n";
+			};
+			code += "if(_counter <= 0) break;\n";
+			code += onTap(
+				i,
+				() =>
+					this.callTap(i, {
+						onError: error => {
+							let code = "";
+							code += "if(_counter > 0) {\n";
+							code += onError(i, error, done, doneBreak);
+							code += "}\n";
+							return code;
+						},
+						onResult:
+							onResult &&
+							(result => {
+								let code = "";
+								code += "if(_counter > 0) {\n";
+								code += onResult(i, result, done, doneBreak);
+								code += "}\n";
+								return code;
+							}),
+						onDone:
+							!onResult &&
+							(() => {
+								return done();
+							}),
+						rethrowIfPossible
+					}),
+				done,
+				doneBreak
+			);
+		}
+		code += "} while(false);\n";
+		return code;
+	}
+
+	args({ before, after } = {}) {
+		let allArgs = this._args;
+		if (before) allArgs = [before].concat(allArgs);
+		if (after) allArgs = allArgs.concat(after);
+		if (allArgs.length === 0) {
+			return "";
+		} else {
+			return allArgs.join(", ");
+		}
+	}
+
+	getTapFn(idx) {
+		return `_x[${idx}]`;
+	}
+
+	getTap(idx) {
+		return `_taps[${idx}]`;
+	}
+
+	getInterceptor(idx) {
+		return `_interceptors[${idx}]`;
+	}
+}
+
+module.exports = HookCodeFactory;
diff --git a/node_modules/tapable/lib/HookMap.js b/node_modules/tapable/lib/HookMap.js
new file mode 100644
index 00000000..0397d8e3
--- /dev/null
+++ b/node_modules/tapable/lib/HookMap.js
@@ -0,0 +1,56 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class HookMap {
+	constructor(factory) {
+		this._map = new Map();
+		this._factory = factory;
+		this._interceptors = [];
+	}
+
+	get(key) {
+		return this._map.get(key);
+	}
+
+	for(key) {
+		const hook = this.get(key);
+		if (hook !== undefined) {
+			return hook;
+		}
+		let newHook = this._factory(key);
+		const interceptors = this._interceptors;
+		for (let i = 0; i < interceptors.length; i++) {
+			newHook = interceptors[i].factory(key, newHook);
+		}
+		this._map.set(key, newHook);
+		return newHook;
+	}
+
+	intercept(interceptor) {
+		this._interceptors.push(
+			Object.assign(
+				{
+					factory: (key, hook) => hook
+				},
+				interceptor
+			)
+		);
+	}
+
+	tap(key, options, fn) {
+		return this.for(key).tap(options, fn);
+	}
+
+	tapAsync(key, options, fn) {
+		return this.for(key).tapAsync(options, fn);
+	}
+
+	tapPromise(key, options, fn) {
+		return this.for(key).tapPromise(options, fn);
+	}
+}
+
+module.exports = HookMap;
diff --git a/node_modules/tapable/lib/MultiHook.js b/node_modules/tapable/lib/MultiHook.js
new file mode 100644
index 00000000..cddd9177
--- /dev/null
+++ b/node_modules/tapable/lib/MultiHook.js
@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+
+class MultiHook {
+	constructor(hooks) {
+		this.hooks = hooks;
+	}
+
+	tap(options, fn) {
+		for (const hook of this.hooks) {
+			hook.tap(options, fn);
+		}
+	}
+
+	tapAsync(options, fn) {
+		for (const hook of this.hooks) {
+			hook.tapAsync(options, fn);
+		}
+	}
+
+	tapPromise(options, fn) {
+		for (const hook of this.hooks) {
+			hook.tapPromise(options, fn);
+		}
+	}
+
+	isUsed() {
+		for (const hook of this.hooks) {
+			if (hook.isUsed()) return true;
+		}
+		return false;
+	}
+
+	intercept(interceptor) {
+		for (const hook of this.hooks) {
+			hook.intercept(interceptor);
+		}
+	}
+
+	withOptions(options) {
+		return new MultiHook(this.hooks.map(h => h.withOptions(options)));
+	}
+}
+
+module.exports = MultiHook;
diff --git a/node_modules/tapable/lib/SyncBailHook.js b/node_modules/tapable/lib/SyncBailHook.js
new file mode 100644
index 00000000..f41e13e7
--- /dev/null
+++ b/node_modules/tapable/lib/SyncBailHook.js
@@ -0,0 +1,42 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class SyncBailHookCodeFactory extends HookCodeFactory {
+	content({ onError, onResult, resultReturns, onDone, rethrowIfPossible }) {
+		return this.callTapsSeries({
+			onError: (i, err) => onError(err),
+			onResult: (i, result, next) =>
+				`if(${result} !== undefined) {\n${onResult(
+					result
+				)};\n} else {\n${next()}}\n`,
+			resultReturns,
+			onDone,
+			rethrowIfPossible
+		});
+	}
+}
+
+const factory = new SyncBailHookCodeFactory();
+
+class SyncBailHook extends Hook {
+	tapAsync() {
+		throw new Error("tapAsync is not supported on a SyncBailHook");
+	}
+
+	tapPromise() {
+		throw new Error("tapPromise is not supported on a SyncBailHook");
+	}
+
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+module.exports = SyncBailHook;
diff --git a/node_modules/tapable/lib/SyncHook.js b/node_modules/tapable/lib/SyncHook.js
new file mode 100644
index 00000000..7aa08bf0
--- /dev/null
+++ b/node_modules/tapable/lib/SyncHook.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class SyncHookCodeFactory extends HookCodeFactory {
+	content({ onError, onDone, rethrowIfPossible }) {
+		return this.callTapsSeries({
+			onError: (i, err) => onError(err),
+			onDone,
+			rethrowIfPossible
+		});
+	}
+}
+
+const factory = new SyncHookCodeFactory();
+
+class SyncHook extends Hook {
+	tapAsync() {
+		throw new Error("tapAsync is not supported on a SyncHook");
+	}
+
+	tapPromise() {
+		throw new Error("tapPromise is not supported on a SyncHook");
+	}
+
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+module.exports = SyncHook;
diff --git a/node_modules/tapable/lib/SyncLoopHook.js b/node_modules/tapable/lib/SyncLoopHook.js
new file mode 100644
index 00000000..0986303f
--- /dev/null
+++ b/node_modules/tapable/lib/SyncLoopHook.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class SyncLoopHookCodeFactory extends HookCodeFactory {
+	content({ onError, onDone, rethrowIfPossible }) {
+		return this.callTapsLooping({
+			onError: (i, err) => onError(err),
+			onDone,
+			rethrowIfPossible
+		});
+	}
+}
+
+const factory = new SyncLoopHookCodeFactory();
+
+class SyncLoopHook extends Hook {
+	tapAsync() {
+		throw new Error("tapAsync is not supported on a SyncLoopHook");
+	}
+
+	tapPromise() {
+		throw new Error("tapPromise is not supported on a SyncLoopHook");
+	}
+
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+module.exports = SyncLoopHook;
diff --git a/node_modules/tapable/lib/SyncWaterfallHook.js b/node_modules/tapable/lib/SyncWaterfallHook.js
new file mode 100644
index 00000000..39969997
--- /dev/null
+++ b/node_modules/tapable/lib/SyncWaterfallHook.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Hook = require("./Hook");
+const HookCodeFactory = require("./HookCodeFactory");
+
+class SyncWaterfallHookCodeFactory extends HookCodeFactory {
+	content({ onError, onResult, resultReturns, rethrowIfPossible }) {
+		return this.callTapsSeries({
+			onError: (i, err) => onError(err),
+			onResult: (i, result, next) => {
+				let code = "";
+				code += `if(${result} !== undefined) {\n`;
+				code += `${this._args[0]} = ${result};\n`;
+				code += `}\n`;
+				code += next();
+				return code;
+			},
+			onDone: () => onResult(this._args[0]),
+			doneReturns: resultReturns,
+			rethrowIfPossible
+		});
+	}
+}
+
+const factory = new SyncWaterfallHookCodeFactory();
+
+class SyncWaterfallHook extends Hook {
+	constructor(args) {
+		super(args);
+		if (args.length < 1)
+			throw new Error("Waterfall hooks must have at least one argument");
+	}
+
+	tapAsync() {
+		throw new Error("tapAsync is not supported on a SyncWaterfallHook");
+	}
+
+	tapPromise() {
+		throw new Error("tapPromise is not supported on a SyncWaterfallHook");
+	}
+
+	compile(options) {
+		factory.setup(this, options);
+		return factory.create(options);
+	}
+}
+
+module.exports = SyncWaterfallHook;
diff --git a/node_modules/tapable/lib/Tapable.js b/node_modules/tapable/lib/Tapable.js
new file mode 100644
index 00000000..530fea35
--- /dev/null
+++ b/node_modules/tapable/lib/Tapable.js
@@ -0,0 +1,81 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+const SyncBailHook = require("./SyncBailHook");
+
+function Tapable() {
+	this._pluginCompat = new SyncBailHook(["options"]);
+	this._pluginCompat.tap(
+		{
+			name: "Tapable camelCase",
+			stage: 100
+		},
+		options => {
+			options.names.add(
+				options.name.replace(/[- ]([a-z])/g, (str, ch) => ch.toUpperCase())
+			);
+		}
+	);
+	this._pluginCompat.tap(
+		{
+			name: "Tapable this.hooks",
+			stage: 200
+		},
+		options => {
+			let hook;
+			for (const name of options.names) {
+				hook = this.hooks[name];
+				if (hook !== undefined) {
+					break;
+				}
+			}
+			if (hook !== undefined) {
+				const tapOpt = {
+					name: options.fn.name || "unnamed compat plugin",
+					stage: options.stage || 0
+				};
+				if (options.async) hook.tapAsync(tapOpt, options.fn);
+				else hook.tap(tapOpt, options.fn);
+				return true;
+			}
+		}
+	);
+}
+module.exports = Tapable;
+
+Tapable.addCompatLayer = function addCompatLayer(instance) {
+	Tapable.call(instance);
+	instance.plugin = Tapable.prototype.plugin;
+	instance.apply = Tapable.prototype.apply;
+};
+
+Tapable.prototype.plugin = util.deprecate(function plugin(name, fn) {
+	if (Array.isArray(name)) {
+		name.forEach(function(name) {
+			this.plugin(name, fn);
+		}, this);
+		return;
+	}
+	const result = this._pluginCompat.call({
+		name: name,
+		fn: fn,
+		names: new Set([name])
+	});
+	if (!result) {
+		throw new Error(
+			`Plugin could not be registered at '${name}'. Hook was not found.\n` +
+				"BREAKING CHANGE: There need to exist a hook at 'this.hooks'. " +
+				"To create a compatibility layer for this hook, hook into 'this._pluginCompat'."
+		);
+	}
+}, "Tapable.plugin is deprecated. Use new API on `.hooks` instead");
+
+Tapable.prototype.apply = util.deprecate(function apply() {
+	for (var i = 0; i < arguments.length; i++) {
+		arguments[i].apply(this);
+	}
+}, "Tapable.apply is deprecated. Call apply on the plugin directly instead");
diff --git a/node_modules/tapable/lib/index.js b/node_modules/tapable/lib/index.js
new file mode 100644
index 00000000..2f5acad1
--- /dev/null
+++ b/node_modules/tapable/lib/index.js
@@ -0,0 +1,19 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+exports.__esModule = true;
+exports.Tapable = require("./Tapable");
+exports.SyncHook = require("./SyncHook");
+exports.SyncBailHook = require("./SyncBailHook");
+exports.SyncWaterfallHook = require("./SyncWaterfallHook");
+exports.SyncLoopHook = require("./SyncLoopHook");
+exports.AsyncParallelHook = require("./AsyncParallelHook");
+exports.AsyncParallelBailHook = require("./AsyncParallelBailHook");
+exports.AsyncSeriesHook = require("./AsyncSeriesHook");
+exports.AsyncSeriesBailHook = require("./AsyncSeriesBailHook");
+exports.AsyncSeriesWaterfallHook = require("./AsyncSeriesWaterfallHook");
+exports.HookMap = require("./HookMap");
+exports.MultiHook = require("./MultiHook");
diff --git a/node_modules/tapable/package.json b/node_modules/tapable/package.json
new file mode 100644
index 00000000..6ab20c89
--- /dev/null
+++ b/node_modules/tapable/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "tapable",
+  "version": "1.1.3",
+  "author": "Tobias Koppers @sokra",
+  "description": "Just a little module for plugins.",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/webpack/tapable.git"
+  },
+  "devDependencies": {
+    "babel-core": "^6.26.0",
+    "babel-jest": "^21.0.2",
+    "babel-polyfill": "^6.26.0",
+    "babel-preset-env": "^1.6.0",
+    "codecov": "^2.3.0",
+    "jest": "^21.0.4",
+    "prettier": "^1.13.2"
+  },
+  "engines": {
+    "node": ">=6"
+  },
+  "files": [
+    "lib",
+    "!lib/__tests__"
+  ],
+  "homepage": "https://github.com/webpack/tapable",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "jest",
+    "travis": "jest --coverage && codecov",
+    "pretty": "prettier --write lib/*.js lib/__tests__/*.js"
+  },
+  "jest": {
+    "transform": {
+      "__tests__[\\\\/].+\\.js$": "babel-jest"
+    }
+  }
+}
diff --git a/node_modules/terser-webpack-plugin/LICENSE b/node_modules/terser-webpack-plugin/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/terser-webpack-plugin/README.md b/node_modules/terser-webpack-plugin/README.md
new file mode 100644
index 00000000..dd80e463
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/README.md
@@ -0,0 +1,731 @@
+<div align="center">
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200" src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+</div>
+
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![tests][tests]][tests-url]
+[![cover][cover]][cover-url]
+[![chat][chat]][chat-url]
+[![size][size]][size-url]
+
+# terser-webpack-plugin
+
+This plugin uses [terser](https://github.com/terser-js/terser) to minify your JavaScript.
+
+> ℹ️ For `webpack@3` use [terser-webpack-plugin-legacy](https://www.npmjs.com/package/terser-webpack-plugin-legacy) package
+
+## Getting Started
+
+To begin, you'll need to install `terser-webpack-plugin`:
+
+```console
+$ npm install terser-webpack-plugin --save-dev
+```
+
+Then add the plugin to your `webpack` config. For example:
+
+**webpack.config.js**
+
+```js
+const TerserPlugin = require('terser-webpack-plugin');
+
+module.exports = {
+  optimization: {
+    minimizer: [new TerserPlugin()],
+  },
+};
+```
+
+And run `webpack` via your preferred method.
+
+## Options
+
+### `test`
+
+Type: `String|RegExp|Array<String|RegExp>`
+Default: `/\.m?js(\?.*)?$/i`
+
+Test to match files against.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        test: /\.js(\?.*)?$/i,
+      }),
+    ],
+  },
+};
+```
+
+### `include`
+
+Type: `String|RegExp|Array<String|RegExp>`
+Default: `undefined`
+
+Files to include.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        include: /\/includes/,
+      }),
+    ],
+  },
+};
+```
+
+### `exclude`
+
+Type: `String|RegExp|Array<String|RegExp>`
+Default: `undefined`
+
+Files to exclude.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        exclude: /\/excludes/,
+      }),
+    ],
+  },
+};
+```
+
+### `chunkFilter`
+
+Type: `Function<(chunk) -> boolean>`
+Default: `() => true`
+
+Allowing to filter which chunks should be uglified (by default all chunks are uglified).
+Return `true` to uglify the chunk, `false` otherwise.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        chunkFilter: (chunk) => {
+          // Exclude uglification for the `vendor` chunk
+          if (chunk.name === 'vendor') {
+            return false;
+          }
+
+          return true;
+        },
+      }),
+    ],
+  },
+};
+```
+
+### `cache`
+
+Type: `Boolean|String`
+Default: `false`
+
+Enable file caching.
+Default path to cache directory: `node_modules/.cache/terser-webpack-plugin`.
+
+> ℹ️ If you use your own `minify` function please read the `minify` section for cache invalidation correctly.
+
+#### `Boolean`
+
+Enable/disable file caching.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        cache: true,
+      }),
+    ],
+  },
+};
+```
+
+#### `String`
+
+Enable file caching and set path to cache directory.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        cache: 'path/to/cache',
+      }),
+    ],
+  },
+};
+```
+
+### `cacheKeys`
+
+Type: `Function<(defaultCacheKeys, file) -> Object>`
+Default: `defaultCacheKeys => defaultCacheKeys`
+
+Allows you to override default cache keys.
+
+Default cache keys:
+
+```js
+({
+  terser: require('terser/package.json').version, // terser version
+  'terser-webpack-plugin': require('../package.json').version, // plugin version
+  'terser-webpack-plugin-options': this.options, // plugin options
+  path: compiler.outputPath ? `${compiler.outputPath}/${file}` : file, // asset path
+  hash: crypto
+    .createHash('md4')
+    .update(input)
+    .digest('hex'), // source file hash
+});
+```
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        cache: true,
+        cacheKeys: (defaultCacheKeys, file) => {
+          defaultCacheKeys.myCacheKey = 'myCacheKeyValue';
+
+          return defaultCacheKeys;
+        },
+      }),
+    ],
+  },
+};
+```
+
+### `parallel`
+
+Type: `Boolean|Number`
+Default: `false`
+
+Use multi-process parallel running to improve the build speed.
+Default number of concurrent runs: `os.cpus().length - 1`.
+
+> ℹ️ Parallelization can speedup your build significantly and is therefore **highly recommended**.
+
+#### `Boolean`
+
+Enable/disable multi-process parallel running.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        parallel: true,
+      }),
+    ],
+  },
+};
+```
+
+#### `Number`
+
+Enable multi-process parallel running and set number of concurrent runs.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        parallel: 4,
+      }),
+    ],
+  },
+};
+```
+
+### `sourceMap`
+
+Type: `Boolean`
+Default: `false`
+
+Use source maps to map error message locations to modules (this slows down the compilation).
+If you use your own `minify` function please read the `minify` section for handling source maps correctly.
+
+> ⚠️ **`cheap-source-map` options don't work with this plugin**.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        sourceMap: true,
+      }),
+    ],
+  },
+};
+```
+
+### `minify`
+
+Type: `Function`
+Default: `undefined`
+
+Allows you to override default minify function.
+By default plugin uses [terser](https://github.com/terser-js/terser) package.
+Useful for using and testing unpublished versions or forks.
+
+> ⚠️ **Always use `require` inside `minify` function when `parallel` option enabled**.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        minify: (file, sourceMap) => {
+          const extractedComments = [];
+
+          // Custom logic for extract comments
+
+          const { error, map, code, warnings } = require('uglify-module') // Or require('./path/to/uglify-module')
+            .minify(file, {
+              /* Your options for minification */
+            });
+
+          return { error, map, code, warnings, extractedComments };
+        },
+      }),
+    ],
+  },
+};
+```
+
+### `terserOptions`
+
+Type: `Object`
+Default: [default](https://github.com/terser-js/terser#minify-options)
+
+Terser minify [options](https://github.com/terser-js/terser#minify-options).
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          ecma: undefined,
+          warnings: false,
+          parse: {},
+          compress: {},
+          mangle: true, // Note `mangle.properties` is `false` by default.
+          module: false,
+          output: null,
+          toplevel: false,
+          nameCache: null,
+          ie8: false,
+          keep_classnames: undefined,
+          keep_fnames: false,
+          safari10: false,
+        },
+      }),
+    ],
+  },
+};
+```
+
+### `extractComments`
+
+Type: `Boolean|String|RegExp|Function<(node, comment) -> Boolean|Object>|Object`
+Default: `false`
+
+Whether comments shall be extracted to a separate file, (see [details](https://github.com/webpack/webpack/commit/71933e979e51c533b432658d5e37917f9e71595a)).
+By default extract only comments using `/^\**!|@preserve|@license|@cc_on/i` regexp condition and remove remaining comments.
+If the original file is named `foo.js`, then the comments will be stored to `foo.js.LICENSE`.
+The `terserOptions.output.comments` option specifies whether the comment will be preserved, i.e. it is possible to preserve some comments (e.g. annotations) while extracting others or even preserving comments that have been extracted.
+
+#### `Boolean`
+
+Enable/disable extracting comments.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: true,
+      }),
+    ],
+  },
+};
+```
+
+#### `String`
+
+Extract `all` or `some` (use `/^\**!|@preserve|@license|@cc_on/i` RegExp) comments.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: 'all',
+      }),
+    ],
+  },
+};
+```
+
+#### `RegExp`
+
+All comments that match the given expression will be extracted to the separate file.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: /@extract/i,
+      }),
+    ],
+  },
+};
+```
+
+#### `Function<(node, comment) -> Boolean>`
+
+All comments that match the given expression will be extracted to the separate file.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: (astNode, comment) => {
+          if (/@extract/i.test(comment.value)) {
+            return true;
+          }
+
+          return false;
+        },
+      }),
+    ],
+  },
+};
+```
+
+#### `Object`
+
+Allow to customize condition for extract comments, specify extracted file name and banner.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: {
+          condition: /^\**!|@preserve|@license|@cc_on/i,
+          filename: (file) => {
+            return `${file}.LICENSE`;
+          },
+          banner: (licenseFile) => {
+            return `License information can be found in ${licenseFile}`;
+          },
+        },
+      }),
+    ],
+  },
+};
+```
+
+##### `condition`
+
+Type: `Boolean|String|RegExp|Function<(node, comment) -> Boolean|Object>`
+
+Condition what comments you need extract.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: {
+          condition: 'some',
+          filename: (file) => {
+            return `${file}.LICENSE`;
+          },
+          banner: (licenseFile) => {
+            return `License information can be found in ${licenseFile}`;
+          },
+        },
+      }),
+    ],
+  },
+};
+```
+
+##### `filename`
+
+Type: `String|Function<(string) -> String>`
+Default: `${file}.LICENSE`
+
+The file where the extracted comments will be stored.
+Default is to append the suffix `.LICENSE` to the original filename.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: {
+          condition: /^\**!|@preserve|@license|@cc_on/i,
+          filename: 'extracted-comments.js',
+          banner: (licenseFile) => {
+            return `License information can be found in ${licenseFile}`;
+          },
+        },
+      }),
+    ],
+  },
+};
+```
+
+##### `banner`
+
+Type: `Boolean|String|Function<(string) -> String>`
+Default: `/*! For license information please see ${commentsFile} */`
+
+The banner text that points to the extracted file and will be added on top of the original file.
+Can be `false` (no banner), a `String`, or a `Function<(string) -> String>` that will be called with the filename where extracted comments have been stored.
+Will be wrapped into comment.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        extractComments: {
+          condition: true,
+          filename: (file) => {
+            return `${file}.LICENSE`;
+          },
+          banner: (commentsFile) => {
+            return `My custom banner about license information ${commentsFile}`;
+          },
+        },
+      }),
+    ],
+  },
+};
+```
+
+### `warningsFilter`
+
+Type: `Function<(warning, source) -> Boolean>`
+Default: `() => true`
+
+Allow to filter [terser](https://github.com/terser-js/terser) warnings.
+Return `true` to keep the warning, `false` otherwise.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        warningsFilter: (warning, source) => {
+          if (/Dropping unreachable code/i.test(warning)) {
+            return true;
+          }
+
+          if (/filename\.js/i.test(source)) {
+            return true;
+          }
+
+          return false;
+        },
+      }),
+    ],
+  },
+};
+```
+
+## Examples
+
+### Cache And Parallel
+
+Enable cache and multi-process parallel running.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        cache: true,
+        parallel: true,
+      }),
+    ],
+  },
+};
+```
+
+### Preserve Comments
+
+Extract all legal comments (i.e. `/^\**!|@preserve|@license|@cc_on/i`) and preserve `/@license/i` comments.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          output: {
+            comments: /@license/i,
+          },
+        },
+        extractComments: true,
+      }),
+    ],
+  },
+};
+```
+
+### Remove Comments
+
+If you avoid building with comments, set **terserOptions.output.comments** to **false** as in this config:
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          output: {
+            comments: false,
+          },
+        },
+      }),
+    ],
+  },
+};
+```
+
+### Custom Minify Function
+
+Override default minify function - use `uglify-js` for minification.
+
+**webpack.config.js**
+
+```js
+module.exports = {
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        // Uncomment lines below for cache invalidation correctly
+        // cache: true,
+        // cacheKeys: (defaultCacheKeys) => {
+        //   delete defaultCacheKeys.terser;
+        //
+        //   return Object.assign(
+        //     {},
+        //     defaultCacheKeys,
+        //     { 'uglify-js': require('uglify-js/package.json').version },
+        //   );
+        // },
+        minify: (file, sourceMap) => {
+          // https://github.com/mishoo/UglifyJS2#minify-options
+          const uglifyJsOptions = {
+            /* your `uglify-js` package options */
+          };
+
+          if (sourceMap) {
+            uglifyJsOptions.sourceMap = {
+              content: sourceMap,
+            };
+          }
+
+          return require('uglify-js').minify(file, uglifyJsOptions);
+        },
+      }),
+    ],
+  },
+};
+```
+
+## Contributing
+
+Please take a moment to read our contributing guidelines if you haven't yet done so.
+
+[CONTRIBUTING](./.github/CONTRIBUTING.md)
+
+## License
+
+[MIT](./LICENSE)
+
+[npm]: https://img.shields.io/npm/v/terser-webpack-plugin.svg
+[npm-url]: https://npmjs.com/package/terser-webpack-plugin
+[node]: https://img.shields.io/node/v/terser-webpack-plugin.svg
+[node-url]: https://nodejs.org
+[deps]: https://david-dm.org/webpack-contrib/terser-webpack-plugin.svg
+[deps-url]: https://david-dm.org/webpack-contrib/terser-webpack-plugin
+[tests]: https://dev.azure.com/webpack-contrib/terser-webpack-plugin/_apis/build/status/webpack-contrib.terser-webpack-plugin?branchName=master
+[tests-url]: https://dev.azure.com/webpack-contrib/terser-webpack-plugin/_build/latest?definitionId=7&branchName=master
+[cover]: https://codecov.io/gh/webpack-contrib/terser-webpack-plugin/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/terser-webpack-plugin
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
+[size]: https://packagephobia.now.sh/badge?p=terser-webpack-plugin
+[size-url]: https://packagephobia.now.sh/result?p=terser-webpack-plugin
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/CHANGELOG.md b/node_modules/terser-webpack-plugin/node_modules/schema-utils/CHANGELOG.md
new file mode 100644
index 00000000..a5f2834c
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/CHANGELOG.md
@@ -0,0 +1,134 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="1.0.0"></a>
+# [1.0.0](https://github.com/webpack-contrib/schema-utils/compare/v0.4.7...v1.0.0) (2018-08-07)
+
+
+### Features
+
+* **src:** add support for custom error messages ([#33](https://github.com/webpack-contrib/schema-utils/issues/33)) ([1cbe4ef](https://github.com/webpack-contrib/schema-utils/commit/1cbe4ef))
+
+
+
+<a name="0.4.7"></a>
+## [0.4.7](https://github.com/webpack-contrib/schema-utils/compare/v0.4.6...v0.4.7) (2018-08-07)
+
+
+### Bug Fixes
+
+* **src:** `node >= v4.0.0` support ([#32](https://github.com/webpack-contrib/schema-utils/issues/32)) ([cb13dd4](https://github.com/webpack-contrib/schema-utils/commit/cb13dd4))
+
+
+
+<a name="0.4.6"></a>
+## [0.4.6](https://github.com/webpack-contrib/schema-utils/compare/v0.4.5...v0.4.6) (2018-08-06)
+
+
+### Bug Fixes
+
+* **package:** remove lockfile ([#28](https://github.com/webpack-contrib/schema-utils/issues/28)) ([69f1a81](https://github.com/webpack-contrib/schema-utils/commit/69f1a81))
+* **package:** remove unnecessary `webpack` dependency ([#26](https://github.com/webpack-contrib/schema-utils/issues/26)) ([532eaa5](https://github.com/webpack-contrib/schema-utils/commit/532eaa5))
+
+
+
+<a name="0.4.5"></a>
+## [0.4.5](https://github.com/webpack-contrib/schema-utils/compare/v0.4.4...v0.4.5) (2018-02-13)
+
+
+### Bug Fixes
+
+* **CHANGELOG:** update broken links ([4483b9f](https://github.com/webpack-contrib/schema-utils/commit/4483b9f))
+* **package:** update broken links ([f2494ba](https://github.com/webpack-contrib/schema-utils/commit/f2494ba))
+
+
+
+<a name="0.4.4"></a>
+## [0.4.4](https://github.com/webpack-contrib/schema-utils/compare/v0.4.3...v0.4.4) (2018-02-13)
+
+
+### Bug Fixes
+
+* **package:** update `dependencies` ([#22](https://github.com/webpack-contrib/schema-utils/issues/22)) ([3aecac6](https://github.com/webpack-contrib/schema-utils/commit/3aecac6))
+
+
+
+<a name="0.4.3"></a>
+## [0.4.3](https://github.com/webpack-contrib/schema-utils/compare/v0.4.2...v0.4.3) (2017-12-14)
+
+
+### Bug Fixes
+
+* **validateOptions:** throw `err` instead of `process.exit(1)` ([#17](https://github.com/webpack-contrib/schema-utils/issues/17)) ([c595eda](https://github.com/webpack-contrib/schema-utils/commit/c595eda))
+* **ValidationError:** never return `this` in the ctor ([#16](https://github.com/webpack-contrib/schema-utils/issues/16)) ([c723791](https://github.com/webpack-contrib/schema-utils/commit/c723791))
+
+
+
+<a name="0.4.2"></a>
+## [0.4.2](https://github.com/webpack-contrib/schema-utils/compare/v0.4.1...v0.4.2) (2017-11-09)
+
+
+### Bug Fixes
+
+* **validateOptions:** catch `ValidationError` and handle it internally ([#15](https://github.com/webpack-contrib/schema-utils/issues/15)) ([9c5ef5e](https://github.com/webpack-contrib/schema-utils/commit/9c5ef5e))
+
+
+
+<a name="0.4.1"></a>
+## [0.4.1](https://github.com/webpack-contrib/schema-utils/compare/v0.4.0...v0.4.1) (2017-11-03)
+
+
+### Bug Fixes
+
+* **ValidationError:** use `Error.captureStackTrace` for `err.stack` handling ([#14](https://github.com/webpack-contrib/schema-utils/issues/14)) ([a6fb974](https://github.com/webpack-contrib/schema-utils/commit/a6fb974))
+
+
+
+<a name="0.4.0"></a>
+# [0.4.0](https://github.com/webpack-contrib/schema-utils/compare/v0.3.0...v0.4.0) (2017-10-28)
+
+
+### Features
+
+* add support for `typeof`, `instanceof` (`{Function\|RegExp}`) ([#10](https://github.com/webpack-contrib/schema-utils/issues/10)) ([9f01816](https://github.com/webpack-contrib/schema-utils/commit/9f01816))
+
+
+
+<a name="0.3.0"></a>
+# [0.3.0](https://github.com/webpack-contrib/schema-utils/compare/v0.2.1...v0.3.0) (2017-04-29)
+
+
+### Features
+
+* add ValidationError ([#8](https://github.com/webpack-contrib/schema-utils/issues/8)) ([d48f0fb](https://github.com/webpack-contrib/schema-utils/commit/d48f0fb))
+
+
+
+<a name="0.2.1"></a>
+## [0.2.1](https://github.com/webpack-contrib/schema-utils/compare/v0.2.0...v0.2.1) (2017-03-13)
+
+
+### Bug Fixes
+
+* Include .babelrc to `files` ([28f0363](https://github.com/webpack-contrib/schema-utils/commit/28f0363))
+* Include source to `files` ([43b0f2f](https://github.com/webpack-contrib/schema-utils/commit/43b0f2f))
+
+
+
+<a name="0.2.0"></a>
+# [0.2.0](https://github.com/webpack-contrib/schema-utils/compare/v0.1.0...v0.2.0) (2017-03-12)
+
+<a name="0.1.0"></a>
+# 0.1.0 (2017-03-07)
+
+
+### Features
+
+* **validations:** add validateOptions module ([ae9b47b](https://github.com/webpack-contrib/schema-utils/commit/ae9b47b))
+
+
+
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/LICENSE b/node_modules/terser-webpack-plugin/node_modules/schema-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/README.md b/node_modules/terser-webpack-plugin/node_modules/schema-utils/README.md
new file mode 100644
index 00000000..7b75d549
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/README.md
@@ -0,0 +1,149 @@
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![test][test]][test-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+
+<div align="center">
+  <a href="http://json-schema.org">
+    <img width="160" height="160"
+      src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/docs/logo.png">
+  </a>
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+  <h1>Schema Utils</h1>
+</div>
+
+<h2 align="center">Install</h2>
+
+```bash
+npm i schema-utils
+```
+
+<h2 align="center">Usage</h2>
+
+### `validateOptions`
+
+**`schema.json`**
+```js
+{
+  "type": "object",
+  "properties": {
+    // Options...
+  },
+  "additionalProperties": false
+}
+```
+
+#### Error Messages (Custom)
+
+**`schema.json`**
+```js
+{
+  "type": "object",
+  "properties": {
+    "option": {
+      "type": [ "boolean" ]
+    }
+  },
+  // Overrides the default err.message for option
+  "errorMessage": {
+    "option": "should be {Boolean} (https:/github.com/org/repo#anchor)"
+  }
+  "additionalProperties": false
+}
+```
+
+```js
+import schema from 'path/to/schema.json'
+import validateOptions from 'schema-utils'
+
+validateOptions(schema, options, 'Loader/Plugin Name')
+```
+
+<h2 align="center">Examples</h2>
+
+**schema.json**
+```json
+{
+  "type": "object",
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "test": {
+      "anyOf": [
+        { "type": "array" },
+        { "type": "string" },
+        { "instanceof": "RegExp" }
+      ]
+    },
+    "transform": {
+      "instanceof": "Function"
+    },
+    "sourceMap": {
+      "type": "boolean"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+### `Loader`
+
+```js
+import { getOptions } from 'loader-utils'
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+function loader (src, map) {
+  const options = getOptions(this) || {}
+
+  validateOptions(schema, options, 'Loader Name')
+
+  // Code...
+}
+```
+
+### `Plugin`
+
+```js
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+class Plugin {
+  constructor (options) {
+    validateOptions(schema, options, 'Plugin Name')
+
+    this.options = options
+  }
+
+  apply (compiler) {
+    // Code...
+  }
+}
+```
+
+
+[npm]: https://img.shields.io/npm/v/schema-utils.svg
+[npm-url]: https://npmjs.com/package/schema-utils
+
+[node]: https://img.shields.io/node/v/schema-utils.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://david-dm.org/webpack-contrib/schema-utils.svg
+[deps-url]: https://david-dm.org/webpack-contrib/schema-utils
+
+[test]: http://img.shields.io/travis/webpack-contrib/schema-utils.svg
+[test-url]: https://travis-ci.org/webpack-contrib/schema-utils
+
+[cover]: https://codecov.io/gh/webpack-contrib/schema-utils/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/schema-utils
+
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/package.json b/node_modules/terser-webpack-plugin/node_modules/schema-utils/package.json
new file mode 100644
index 00000000..621da697
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "schema-utils",
+  "version": "1.0.0",
+  "description": "webpack Validation Utils",
+  "main": "src/index.js",
+  "files": [
+    "src"
+  ],
+  "engines": {
+    "node": ">= 4"
+  },
+  "scripts": {
+    "lint": "eslint --cache src test",
+    "test": "jest --env node --verbose --coverage",
+    "clean": "del-cli coverage",
+    "commits": "commitlint --from $(git rev-list --tags --max-count=1)",
+    "release": "npm run commits && standard-version"
+  },
+  "dependencies": {
+    "ajv": "^6.1.0",
+    "ajv-errors": "^1.0.0",
+    "ajv-keywords": "^3.1.0"
+  },
+  "devDependencies": {
+    "@commitlint/cli": "^7.0.0",
+    "@commitlint/config-conventional": "^7.0.0",
+    "@webpack-contrib/eslint-config-webpack": "^2.0.0",
+    "del-cli": "^1.0.0",
+    "eslint": "^5.0.0",
+    "eslint-plugin-import": "^2.0.0",
+    "eslint-plugin-prettier": "^2.0.0",
+    "jest": "^21.0.0",
+    "prettier": "^1.0.0",
+    "standard-version": "^4.0.0"
+  },
+  "author": "webpack Contrib (https://github.com/webpack-contrib)",
+  "bugs": "https://github.com/webpack-contrib/schema-utils/issues",
+  "homepage": "https://github.com/webpack-contrib/schema-utils",
+  "repository": "https://github.com/webpack-contrib/schema-utils",
+  "license": "MIT"
+}
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/ValidationError.js b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/ValidationError.js
new file mode 100644
index 00000000..0589bf85
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/ValidationError.js
@@ -0,0 +1,30 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+class ValidationError extends Error {
+  constructor(errors, name) {
+    super();
+
+    this.name = 'ValidationError';
+
+    this.message = `${name || ''} Invalid Options\n\n`;
+
+    this.errors = errors.map((err) => {
+      err.dataPath = err.dataPath.replace(/\//g, '.');
+
+      return err;
+    });
+
+    this.errors.forEach((err) => {
+      this.message += `options${err.dataPath} ${err.message}\n`;
+    });
+
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+
+module.exports = ValidationError;
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/index.js b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/index.js
new file mode 100644
index 00000000..13108c21
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/index.js
@@ -0,0 +1,9 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+const validateOptions = require('./validateOptions');
+
+module.exports = validateOptions;
diff --git a/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/validateOptions.js b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/validateOptions.js
new file mode 100644
index 00000000..363af447
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/schema-utils/src/validateOptions.js
@@ -0,0 +1,38 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const Ajv = require('ajv');
+const errors = require('ajv-errors');
+const keywords = require('ajv-keywords');
+
+const ValidationError = require('./ValidationError');
+
+const ajv = new Ajv({
+  allErrors: true,
+  jsonPointers: true,
+});
+
+errors(ajv);
+keywords(ajv, ['instanceof', 'typeof']);
+
+const validateOptions = (schema, options, name) => {
+  if (typeof schema === 'string') {
+    schema = fs.readFileSync(path.resolve(schema), 'utf8');
+    schema = JSON.parse(schema);
+  }
+
+  if (!ajv.validate(schema, options)) {
+    throw new ValidationError(ajv.errors, name);
+  }
+
+  return true;
+};
+
+module.exports = validateOptions;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/CHANGELOG.md b/node_modules/terser-webpack-plugin/node_modules/source-map/CHANGELOG.md
new file mode 100644
index 00000000..3a8c066c
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/CHANGELOG.md
@@ -0,0 +1,301 @@
+# Change Log
+
+## 0.5.6
+
+* Fix for regression when people were using numbers as names in source maps. See
+  #236.
+
+## 0.5.5
+
+* Fix "regression" of unsupported, implementation behavior that half the world
+  happens to have come to depend on. See #235.
+
+* Fix regression involving function hoisting in SpiderMonkey. See #233.
+
+## 0.5.4
+
+* Large performance improvements to source-map serialization. See #228 and #229.
+
+## 0.5.3
+
+* Do not include unnecessary distribution files. See
+  commit ef7006f8d1647e0a83fdc60f04f5a7ca54886f86.
+
+## 0.5.2
+
+* Include browser distributions of the library in package.json's `files`. See
+  issue #212.
+
+## 0.5.1
+
+* Fix latent bugs in IndexedSourceMapConsumer.prototype._parseMappings. See
+  ff05274becc9e6e1295ed60f3ea090d31d843379.
+
+## 0.5.0
+
+* Node 0.8 is no longer supported.
+
+* Use webpack instead of dryice for bundling.
+
+* Big speedups serializing source maps. See pull request #203.
+
+* Fix a bug with `SourceMapConsumer.prototype.sourceContentFor` and sources that
+  explicitly start with the source root. See issue #199.
+
+## 0.4.4
+
+* Fix an issue where using a `SourceMapGenerator` after having created a
+  `SourceMapConsumer` from it via `SourceMapConsumer.fromSourceMap` failed. See
+  issue #191.
+
+* Fix an issue with where `SourceMapGenerator` would mistakenly consider
+  different mappings as duplicates of each other and avoid generating them. See
+  issue #192.
+
+## 0.4.3
+
+* A very large number of performance improvements, particularly when parsing
+  source maps. Collectively about 75% of time shaved off of the source map
+  parsing benchmark!
+
+* Fix a bug in `SourceMapConsumer.prototype.allGeneratedPositionsFor` and fuzzy
+  searching in the presence of a column option. See issue #177.
+
+* Fix a bug with joining a source and its source root when the source is above
+  the root. See issue #182.
+
+* Add the `SourceMapConsumer.prototype.hasContentsOfAllSources` method to
+  determine when all sources' contents are inlined into the source map. See
+  issue #190.
+
+## 0.4.2
+
+* Add an `.npmignore` file so that the benchmarks aren't pulled down by
+  dependent projects. Issue #169.
+
+* Add an optional `column` argument to
+  `SourceMapConsumer.prototype.allGeneratedPositionsFor` and better handle lines
+  with no mappings. Issues #172 and #173.
+
+## 0.4.1
+
+* Fix accidentally defining a global variable. #170.
+
+## 0.4.0
+
+* The default direction for fuzzy searching was changed back to its original
+  direction. See #164.
+
+* There is now a `bias` option you can supply to `SourceMapConsumer` to control
+  the fuzzy searching direction. See #167.
+
+* About an 8% speed up in parsing source maps. See #159.
+
+* Added a benchmark for parsing and generating source maps.
+
+## 0.3.0
+
+* Change the default direction that searching for positions fuzzes when there is
+  not an exact match. See #154.
+
+* Support for environments using json2.js for JSON serialization. See #156.
+
+## 0.2.0
+
+* Support for consuming "indexed" source maps which do not have any remote
+  sections. See pull request #127. This introduces a minor backwards
+  incompatibility if you are monkey patching `SourceMapConsumer.prototype`
+  methods.
+
+## 0.1.43
+
+* Performance improvements for `SourceMapGenerator` and `SourceNode`. See issue
+  #148 for some discussion and issues #150, #151, and #152 for implementations.
+
+## 0.1.42
+
+* Fix an issue where `SourceNode`s from different versions of the source-map
+  library couldn't be used in conjunction with each other. See issue #142.
+
+## 0.1.41
+
+* Fix a bug with getting the source content of relative sources with a "./"
+  prefix. See issue #145 and [Bug 1090768](bugzil.la/1090768).
+
+* Add the `SourceMapConsumer.prototype.computeColumnSpans` method to compute the
+  column span of each mapping.
+
+* Add the `SourceMapConsumer.prototype.allGeneratedPositionsFor` method to find
+  all generated positions associated with a given original source and line.
+
+## 0.1.40
+
+* Performance improvements for parsing source maps in SourceMapConsumer.
+
+## 0.1.39
+
+* Fix a bug where setting a source's contents to null before any source content
+  had been set before threw a TypeError. See issue #131.
+
+## 0.1.38
+
+* Fix a bug where finding relative paths from an empty path were creating
+  absolute paths. See issue #129.
+
+## 0.1.37
+
+* Fix a bug where if the source root was an empty string, relative source paths
+  would turn into absolute source paths. Issue #124.
+
+## 0.1.36
+
+* Allow the `names` mapping property to be an empty string. Issue #121.
+
+## 0.1.35
+
+* A third optional parameter was added to `SourceNode.fromStringWithSourceMap`
+  to specify a path that relative sources in the second parameter should be
+  relative to. Issue #105.
+
+* If no file property is given to a `SourceMapGenerator`, then the resulting
+  source map will no longer have a `null` file property. The property will
+  simply not exist. Issue #104.
+
+* Fixed a bug where consecutive newlines were ignored in `SourceNode`s.
+  Issue #116.
+
+## 0.1.34
+
+* Make `SourceNode` work with windows style ("\r\n") newlines. Issue #103.
+
+* Fix bug involving source contents and the
+  `SourceMapGenerator.prototype.applySourceMap`. Issue #100.
+
+## 0.1.33
+
+* Fix some edge cases surrounding path joining and URL resolution.
+
+* Add a third parameter for relative path to
+  `SourceMapGenerator.prototype.applySourceMap`.
+
+* Fix issues with mappings and EOLs.
+
+## 0.1.32
+
+* Fixed a bug where SourceMapConsumer couldn't handle negative relative columns
+  (issue 92).
+
+* Fixed test runner to actually report number of failed tests as its process
+  exit code.
+
+* Fixed a typo when reporting bad mappings (issue 87).
+
+## 0.1.31
+
+* Delay parsing the mappings in SourceMapConsumer until queried for a source
+  location.
+
+* Support Sass source maps (which at the time of writing deviate from the spec
+  in small ways) in SourceMapConsumer.
+
+## 0.1.30
+
+* Do not join source root with a source, when the source is a data URI.
+
+* Extend the test runner to allow running single specific test files at a time.
+
+* Performance improvements in `SourceNode.prototype.walk` and
+  `SourceMapConsumer.prototype.eachMapping`.
+
+* Source map browser builds will now work inside Workers.
+
+* Better error messages when attempting to add an invalid mapping to a
+  `SourceMapGenerator`.
+
+## 0.1.29
+
+* Allow duplicate entries in the `names` and `sources` arrays of source maps
+  (usually from TypeScript) we are parsing. Fixes github issue 72.
+
+## 0.1.28
+
+* Skip duplicate mappings when creating source maps from SourceNode; github
+  issue 75.
+
+## 0.1.27
+
+* Don't throw an error when the `file` property is missing in SourceMapConsumer,
+  we don't use it anyway.
+
+## 0.1.26
+
+* Fix SourceNode.fromStringWithSourceMap for empty maps. Fixes github issue 70.
+
+## 0.1.25
+
+* Make compatible with browserify
+
+## 0.1.24
+
+* Fix issue with absolute paths and `file://` URIs. See
+  https://bugzilla.mozilla.org/show_bug.cgi?id=885597
+
+## 0.1.23
+
+* Fix issue with absolute paths and sourcesContent, github issue 64.
+
+## 0.1.22
+
+* Ignore duplicate mappings in SourceMapGenerator. Fixes github issue 21.
+
+## 0.1.21
+
+* Fixed handling of sources that start with a slash so that they are relative to
+  the source root's host.
+
+## 0.1.20
+
+* Fixed github issue #43: absolute URLs aren't joined with the source root
+  anymore.
+
+## 0.1.19
+
+* Using Travis CI to run tests.
+
+## 0.1.18
+
+* Fixed a bug in the handling of sourceRoot.
+
+## 0.1.17
+
+* Added SourceNode.fromStringWithSourceMap.
+
+## 0.1.16
+
+* Added missing documentation.
+
+* Fixed the generating of empty mappings in SourceNode.
+
+## 0.1.15
+
+* Added SourceMapGenerator.applySourceMap.
+
+## 0.1.14
+
+* The sourceRoot is now handled consistently.
+
+## 0.1.13
+
+* Added SourceMapGenerator.fromSourceMap.
+
+## 0.1.12
+
+* SourceNode now generates empty mappings too.
+
+## 0.1.11
+
+* Added name support to SourceNode.
+
+## 0.1.10
+
+* Added sourcesContent support to the customer and generator.
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/LICENSE b/node_modules/terser-webpack-plugin/node_modules/source-map/LICENSE
new file mode 100644
index 00000000..ed1b7cf2
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/LICENSE
@@ -0,0 +1,28 @@
+
+Copyright (c) 2009-2011, Mozilla Foundation and contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the names of the Mozilla Foundation nor the names of project
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/README.md b/node_modules/terser-webpack-plugin/node_modules/source-map/README.md
new file mode 100644
index 00000000..fea4beb1
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/README.md
@@ -0,0 +1,742 @@
+# Source Map
+
+[![Build Status](https://travis-ci.org/mozilla/source-map.png?branch=master)](https://travis-ci.org/mozilla/source-map)
+
+[![NPM](https://nodei.co/npm/source-map.png?downloads=true&downloadRank=true)](https://www.npmjs.com/package/source-map)
+
+This is a library to generate and consume the source map format
+[described here][format].
+
+[format]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+
+## Use with Node
+
+    $ npm install source-map
+
+## Use on the Web
+
+    <script src="https://raw.githubusercontent.com/mozilla/source-map/master/dist/source-map.min.js" defer></script>
+
+--------------------------------------------------------------------------------
+
+<!-- `npm run toc` to regenerate the Table of Contents -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Examples](#examples)
+  - [Consuming a source map](#consuming-a-source-map)
+  - [Generating a source map](#generating-a-source-map)
+    - [With SourceNode (high level API)](#with-sourcenode-high-level-api)
+    - [With SourceMapGenerator (low level API)](#with-sourcemapgenerator-low-level-api)
+- [API](#api)
+  - [SourceMapConsumer](#sourcemapconsumer)
+    - [new SourceMapConsumer(rawSourceMap)](#new-sourcemapconsumerrawsourcemap)
+    - [SourceMapConsumer.prototype.computeColumnSpans()](#sourcemapconsumerprototypecomputecolumnspans)
+    - [SourceMapConsumer.prototype.originalPositionFor(generatedPosition)](#sourcemapconsumerprototypeoriginalpositionforgeneratedposition)
+    - [SourceMapConsumer.prototype.generatedPositionFor(originalPosition)](#sourcemapconsumerprototypegeneratedpositionfororiginalposition)
+    - [SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)](#sourcemapconsumerprototypeallgeneratedpositionsfororiginalposition)
+    - [SourceMapConsumer.prototype.hasContentsOfAllSources()](#sourcemapconsumerprototypehascontentsofallsources)
+    - [SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])](#sourcemapconsumerprototypesourcecontentforsource-returnnullonmissing)
+    - [SourceMapConsumer.prototype.eachMapping(callback, context, order)](#sourcemapconsumerprototypeeachmappingcallback-context-order)
+  - [SourceMapGenerator](#sourcemapgenerator)
+    - [new SourceMapGenerator([startOfSourceMap])](#new-sourcemapgeneratorstartofsourcemap)
+    - [SourceMapGenerator.fromSourceMap(sourceMapConsumer)](#sourcemapgeneratorfromsourcemapsourcemapconsumer)
+    - [SourceMapGenerator.prototype.addMapping(mapping)](#sourcemapgeneratorprototypeaddmappingmapping)
+    - [SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)](#sourcemapgeneratorprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])](#sourcemapgeneratorprototypeapplysourcemapsourcemapconsumer-sourcefile-sourcemappath)
+    - [SourceMapGenerator.prototype.toString()](#sourcemapgeneratorprototypetostring)
+  - [SourceNode](#sourcenode)
+    - [new SourceNode([line, column, source[, chunk[, name]]])](#new-sourcenodeline-column-source-chunk-name)
+    - [SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])](#sourcenodefromstringwithsourcemapcode-sourcemapconsumer-relativepath)
+    - [SourceNode.prototype.add(chunk)](#sourcenodeprototypeaddchunk)
+    - [SourceNode.prototype.prepend(chunk)](#sourcenodeprototypeprependchunk)
+    - [SourceNode.prototype.setSourceContent(sourceFile, sourceContent)](#sourcenodeprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceNode.prototype.walk(fn)](#sourcenodeprototypewalkfn)
+    - [SourceNode.prototype.walkSourceContents(fn)](#sourcenodeprototypewalksourcecontentsfn)
+    - [SourceNode.prototype.join(sep)](#sourcenodeprototypejoinsep)
+    - [SourceNode.prototype.replaceRight(pattern, replacement)](#sourcenodeprototypereplacerightpattern-replacement)
+    - [SourceNode.prototype.toString()](#sourcenodeprototypetostring)
+    - [SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])](#sourcenodeprototypetostringwithsourcemapstartofsourcemap)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## Examples
+
+### Consuming a source map
+
+```js
+var rawSourceMap = {
+  version: 3,
+  file: 'min.js',
+  names: ['bar', 'baz', 'n'],
+  sources: ['one.js', 'two.js'],
+  sourceRoot: 'http://example.com/www/js/',
+  mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
+};
+
+var smc = new SourceMapConsumer(rawSourceMap);
+
+console.log(smc.sources);
+// [ 'http://example.com/www/js/one.js',
+//   'http://example.com/www/js/two.js' ]
+
+console.log(smc.originalPositionFor({
+  line: 2,
+  column: 28
+}));
+// { source: 'http://example.com/www/js/two.js',
+//   line: 2,
+//   column: 10,
+//   name: 'n' }
+
+console.log(smc.generatedPositionFor({
+  source: 'http://example.com/www/js/two.js',
+  line: 2,
+  column: 10
+}));
+// { line: 2, column: 28 }
+
+smc.eachMapping(function (m) {
+  // ...
+});
+```
+
+### Generating a source map
+
+In depth guide:
+[**Compiling to JavaScript, and Debugging with Source Maps**](https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/)
+
+#### With SourceNode (high level API)
+
+```js
+function compile(ast) {
+  switch (ast.type) {
+  case 'BinaryExpression':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      [compile(ast.left), " + ", compile(ast.right)]
+    );
+  case 'Literal':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      String(ast.value)
+    );
+  // ...
+  default:
+    throw new Error("Bad AST");
+  }
+}
+
+var ast = parse("40 + 2", "add.js");
+console.log(compile(ast).toStringWithSourceMap({
+  file: 'add.js'
+}));
+// { code: '40 + 2',
+//   map: [object SourceMapGenerator] }
+```
+
+#### With SourceMapGenerator (low level API)
+
+```js
+var map = new SourceMapGenerator({
+  file: "source-mapped.js"
+});
+
+map.addMapping({
+  generated: {
+    line: 10,
+    column: 35
+  },
+  source: "foo.js",
+  original: {
+    line: 33,
+    column: 2
+  },
+  name: "christopher"
+});
+
+console.log(map.toString());
+// '{"version":3,"file":"source-mapped.js","sources":["foo.js"],"names":["christopher"],"mappings":";;;;;;;;;mCAgCEA"}'
+```
+
+## API
+
+Get a reference to the module:
+
+```js
+// Node.js
+var sourceMap = require('source-map');
+
+// Browser builds
+var sourceMap = window.sourceMap;
+
+// Inside Firefox
+const sourceMap = require("devtools/toolkit/sourcemap/source-map.js");
+```
+
+### SourceMapConsumer
+
+A SourceMapConsumer instance represents a parsed source map which we can query
+for information about the original file positions by giving it a file position
+in the generated source.
+
+#### new SourceMapConsumer(rawSourceMap)
+
+The only parameter is the raw source map (either as a string which can be
+`JSON.parse`'d, or an object). According to the spec, source maps have the
+following attributes:
+
+* `version`: Which version of the source map spec this map is following.
+
+* `sources`: An array of URLs to the original source files.
+
+* `names`: An array of identifiers which can be referenced by individual
+  mappings.
+
+* `sourceRoot`: Optional. The URL root from which all sources are relative.
+
+* `sourcesContent`: Optional. An array of contents of the original source files.
+
+* `mappings`: A string of base64 VLQs which contain the actual mappings.
+
+* `file`: Optional. The generated filename this source map is associated with.
+
+```js
+var consumer = new sourceMap.SourceMapConsumer(rawSourceMapJsonData);
+```
+
+#### SourceMapConsumer.prototype.computeColumnSpans()
+
+Compute the last column for each generated mapping. The last column is
+inclusive.
+
+```js
+// Before:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+
+consumer.computeColumnSpans();
+
+// After:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1,
+//     lastColumn: 9 },
+//   { line: 2,
+//     column: 10,
+//     lastColumn: 19 },
+//   { line: 2,
+//     column: 20,
+//     lastColumn: Infinity } ]
+
+```
+
+#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
+
+Returns the original source, line, and column information for the generated
+source's line and column positions provided. The only argument is an object with
+the following properties:
+
+* `line`: The line number in the generated source.  Line numbers in
+  this library are 1-based (note that the underlying source map
+  specification uses 0-based line numbers -- this library handles the
+  translation).
+
+* `column`: The column number in the generated source.  Column numbers
+  in this library are 0-based.
+
+* `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
+  `SourceMapConsumer.LEAST_UPPER_BOUND`. Specifies whether to return the closest
+  element that is smaller than or greater than the one we are searching for,
+  respectively, if the exact element cannot be found.  Defaults to
+  `SourceMapConsumer.GREATEST_LOWER_BOUND`.
+
+and an object is returned with the following properties:
+
+* `source`: The original source file, or null if this information is not
+  available.
+
+* `line`: The line number in the original source, or null if this information is
+  not available.  The line number is 1-based.
+
+* `column`: The column number in the original source, or null if this
+  information is not available.  The column number is 0-based.
+
+* `name`: The original identifier, or null if this information is not available.
+
+```js
+consumer.originalPositionFor({ line: 2, column: 10 })
+// { source: 'foo.coffee',
+//   line: 2,
+//   column: 2,
+//   name: null }
+
+consumer.originalPositionFor({ line: 99999999999999999, column: 999999999999999 })
+// { source: null,
+//   line: null,
+//   column: null,
+//   name: null }
+```
+
+#### SourceMapConsumer.prototype.generatedPositionFor(originalPosition)
+
+Returns the generated line and column information for the original source,
+line, and column positions provided. The only argument is an object with
+the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: The column number in the original source.  The column
+  number is 0-based.
+
+and an object is returned with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.generatedPositionFor({ source: "example.js", line: 2, column: 10 })
+// { line: 1,
+//   column: 56 }
+```
+
+#### SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)
+
+Returns all generated line and column information for the original source, line,
+and column provided. If no column is provided, returns all mappings
+corresponding to a either the line we are searching for or the next closest line
+that has any mappings. Otherwise, returns all mappings corresponding to the
+given line and either the column we are searching for or the next closest column
+that has any offsets.
+
+The only argument is an object with the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: Optional. The column number in the original source.  The
+  column number is 0-based.
+
+and an array of objects is returned, each with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.allGeneratedpositionsfor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+```
+
+#### SourceMapConsumer.prototype.hasContentsOfAllSources()
+
+Return true if we have the embedded source content for every source listed in
+the source map, false otherwise.
+
+In other words, if this method returns `true`, then
+`consumer.sourceContentFor(s)` will succeed for every source `s` in
+`consumer.sources`.
+
+```js
+// ...
+if (consumer.hasContentsOfAllSources()) {
+  consumerReadyCallback(consumer);
+} else {
+  fetchSources(consumer, consumerReadyCallback);
+}
+// ...
+```
+
+#### SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])
+
+Returns the original source content for the source provided. The only
+argument is the URL of the original source file.
+
+If the source content for the given source is not found, then an error is
+thrown. Optionally, pass `true` as the second param to have `null` returned
+instead.
+
+```js
+consumer.sources
+// [ "my-cool-lib.clj" ]
+
+consumer.sourceContentFor("my-cool-lib.clj")
+// "..."
+
+consumer.sourceContentFor("this is not in the source map");
+// Error: "this is not in the source map" is not in the source map
+
+consumer.sourceContentFor("this is not in the source map", true);
+// null
+```
+
+#### SourceMapConsumer.prototype.eachMapping(callback, context, order)
+
+Iterate over each mapping between an original source/line/column and a
+generated line/column in this source map.
+
+* `callback`: The function that is called with each mapping. Mappings have the
+  form `{ source, generatedLine, generatedColumn, originalLine, originalColumn,
+  name }`
+
+* `context`: Optional. If specified, this object will be the value of `this`
+  every time that `callback` is called.
+
+* `order`: Either `SourceMapConsumer.GENERATED_ORDER` or
+  `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to iterate over
+  the mappings sorted by the generated file's line/column order or the
+  original's source/line/column order, respectively. Defaults to
+  `SourceMapConsumer.GENERATED_ORDER`.
+
+```js
+consumer.eachMapping(function (m) { console.log(m); })
+// ...
+// { source: 'illmatic.js',
+//   generatedLine: 1,
+//   generatedColumn: 0,
+//   originalLine: 1,
+//   originalColumn: 0,
+//   name: null }
+// { source: 'illmatic.js',
+//   generatedLine: 2,
+//   generatedColumn: 0,
+//   originalLine: 2,
+//   originalColumn: 0,
+//   name: null }
+// ...
+```
+### SourceMapGenerator
+
+An instance of the SourceMapGenerator represents a source map which is being
+built incrementally.
+
+#### new SourceMapGenerator([startOfSourceMap])
+
+You may pass an object with the following properties:
+
+* `file`: The filename of the generated source that this source map is
+  associated with.
+
+* `sourceRoot`: A root for all relative URLs in this source map.
+
+* `skipValidation`: Optional. When `true`, disables validation of mappings as
+  they are added. This can improve performance but should be used with
+  discretion, as a last resort. Even then, one should avoid using this flag when
+  running tests, if possible.
+
+```js
+var generator = new sourceMap.SourceMapGenerator({
+  file: "my-generated-javascript-file.js",
+  sourceRoot: "http://example.com/app/js/"
+});
+```
+
+#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
+
+Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.
+
+* `sourceMapConsumer` The SourceMap.
+
+```js
+var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
+```
+
+#### SourceMapGenerator.prototype.addMapping(mapping)
+
+Add a single mapping from original source line and column to the generated
+source's line and column for this source map being created. The mapping object
+should have the following properties:
+
+* `generated`: An object with the generated line and column positions.
+
+* `original`: An object with the original line and column positions.
+
+* `source`: The original source file (relative to the sourceRoot).
+
+* `name`: An optional original token name for this mapping.
+
+```js
+generator.addMapping({
+  source: "module-one.scm",
+  original: { line: 128, column: 0 },
+  generated: { line: 3, column: 456 }
+})
+```
+
+#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for an original source file.
+
+* `sourceFile` the URL of the original source file.
+
+* `sourceContent` the content of the source file.
+
+```js
+generator.setSourceContent("module-one.scm",
+                           fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])
+
+Applies a SourceMap for a source file to the SourceMap.
+Each mapping to the supplied source file is rewritten using the
+supplied SourceMap. Note: The resolution for the resulting mappings
+is the minimum of this map and the supplied map.
+
+* `sourceMapConsumer`: The SourceMap to be applied.
+
+* `sourceFile`: Optional. The filename of the source file.
+  If omitted, sourceMapConsumer.file will be used, if it exists.
+  Otherwise an error will be thrown.
+
+* `sourceMapPath`: Optional. The dirname of the path to the SourceMap
+  to be applied. If relative, it is relative to the SourceMap.
+
+  This parameter is needed when the two SourceMaps aren't in the same
+  directory, and the SourceMap to be applied contains relative source
+  paths. If so, those relative source paths need to be rewritten
+  relative to the SourceMap.
+
+  If omitted, it is assumed that both SourceMaps are in the same directory,
+  thus not needing any rewriting. (Supplying `'.'` has the same effect.)
+
+#### SourceMapGenerator.prototype.toString()
+
+Renders the source map being generated to a string.
+
+```js
+generator.toString()
+// '{"version":3,"sources":["module-one.scm"],"names":[],"mappings":"...snip...","file":"my-generated-javascript-file.js","sourceRoot":"http://example.com/app/js/"}'
+```
+
+### SourceNode
+
+SourceNodes provide a way to abstract over interpolating and/or concatenating
+snippets of generated JavaScript source code, while maintaining the line and
+column information associated between those snippets and the original source
+code. This is useful as the final intermediate representation a compiler might
+use before outputting the generated JS and source map.
+
+#### new SourceNode([line, column, source[, chunk[, name]]])
+
+* `line`: The original line number associated with this source node, or null if
+  it isn't associated with an original line.  The line number is 1-based.
+
+* `column`: The original column number associated with this source node, or null
+  if it isn't associated with an original column.  The column number
+  is 0-based.
+
+* `source`: The original source's filename; null if no filename is provided.
+
+* `chunk`: Optional. Is immediately passed to `SourceNode.prototype.add`, see
+  below.
+
+* `name`: Optional. The original identifier.
+
+```js
+var node = new SourceNode(1, 2, "a.cpp", [
+  new SourceNode(3, 4, "b.cpp", "extern int status;\n"),
+  new SourceNode(5, 6, "c.cpp", "std::string* make_string(size_t n);\n"),
+  new SourceNode(7, 8, "d.cpp", "int main(int argc, char** argv) {}\n"),
+]);
+```
+
+#### SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])
+
+Creates a SourceNode from generated code and a SourceMapConsumer.
+
+* `code`: The generated code
+
+* `sourceMapConsumer` The SourceMap for the generated code
+
+* `relativePath` The optional path that relative sources in `sourceMapConsumer`
+  should be relative to.
+
+```js
+var consumer = new SourceMapConsumer(fs.readFileSync("path/to/my-file.js.map", "utf8"));
+var node = SourceNode.fromStringWithSourceMap(fs.readFileSync("path/to/my-file.js"),
+                                              consumer);
+```
+
+#### SourceNode.prototype.add(chunk)
+
+Add a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.add(" + ");
+node.add(otherNode);
+node.add([leftHandOperandNode, " + ", rightHandOperandNode]);
+```
+
+#### SourceNode.prototype.prepend(chunk)
+
+Prepend a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.prepend("/** Build Id: f783haef86324gf **/\n\n");
+```
+
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
+```js
+node.setSourceContent("module-one.scm",
+                      fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceNode.prototype.walk(fn)
+
+Walk over the tree of JS snippets in this node and its children. The walking
+function is called once for each snippet of JS and is passed that snippet and
+the its original associated source's line/column location.
+
+* `fn`: The traversal function.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.walk(function (code, loc) { console.log("WALK:", code, loc); })
+// WALK: uno { source: 'b.js', line: 3, column: 4, name: null }
+// WALK: dos { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: tres { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: quatro { source: 'c.js', line: 5, column: 6, name: null }
+```
+
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
+```js
+var a = new SourceNode(1, 2, "a.js", "generated from a");
+a.setSourceContent("a.js", "original a");
+var b = new SourceNode(1, 2, "b.js", "generated from b");
+b.setSourceContent("b.js", "original b");
+var c = new SourceNode(1, 2, "c.js", "generated from c");
+c.setSourceContent("c.js", "original c");
+
+var node = new SourceNode(null, null, null, [a, b, c]);
+node.walkSourceContents(function (source, contents) { console.log("WALK:", source, ":", contents); })
+// WALK: a.js : original a
+// WALK: b.js : original b
+// WALK: c.js : original c
+```
+
+#### SourceNode.prototype.join(sep)
+
+Like `Array.prototype.join` except for SourceNodes. Inserts the separator
+between each of this source node's children.
+
+* `sep`: The separator.
+
+```js
+var lhs = new SourceNode(1, 2, "a.rs", "my_copy");
+var operand = new SourceNode(3, 4, "a.rs", "=");
+var rhs = new SourceNode(5, 6, "a.rs", "orig.clone()");
+
+var node = new SourceNode(null, null, null, [ lhs, operand, rhs ]);
+var joinedNode = node.join(" ");
+```
+
+#### SourceNode.prototype.replaceRight(pattern, replacement)
+
+Call `String.prototype.replace` on the very right-most source snippet. Useful
+for trimming white space from the end of a source node, etc.
+
+* `pattern`: The pattern to replace.
+
+* `replacement`: The thing to replace the pattern with.
+
+```js
+// Trim trailing white space.
+node.replaceRight(/\s*$/, "");
+```
+
+#### SourceNode.prototype.toString()
+
+Return the string representation of this source node. Walks over the tree and
+concatenates all the various snippets together to one string.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toString()
+// 'unodostresquatro'
+```
+
+#### SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])
+
+Returns the string representation of this tree of source nodes, plus a
+SourceMapGenerator which contains all the mappings between the generated and
+original sources.
+
+The arguments are the same as those to `new SourceMapGenerator`.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toStringWithSourceMap({ file: "my-output-file.js" })
+// { code: 'unodostresquatro',
+//   map: [object SourceMapGenerator] }
+```
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/array-set.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/array-set.js
new file mode 100644
index 00000000..fbd5c81c
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/array-set.js
@@ -0,0 +1,121 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64-vlq.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64-vlq.js
new file mode 100644
index 00000000..612b4040
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64-vlq.js
@@ -0,0 +1,140 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64.js
new file mode 100644
index 00000000..8aa86b30
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/base64.js
@@ -0,0 +1,67 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/binary-search.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/binary-search.js
new file mode 100644
index 00000000..010ac941
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/binary-search.js
@@ -0,0 +1,111 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+exports.GREATEST_LOWER_BOUND = 1;
+exports.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Recursive implementation of binary search.
+ *
+ * @param aLow Indices here and lower do not contain the needle.
+ * @param aHigh Indices here and higher do not contain the needle.
+ * @param aNeedle The element being searched for.
+ * @param aHaystack The non-empty array being searched.
+ * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ */
+function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
+  // This function terminates when one of the following is true:
+  //
+  //   1. We find the exact element we are looking for.
+  //
+  //   2. We did not find the exact element, but we can return the index of
+  //      the next-closest element.
+  //
+  //   3. We did not find the exact element, and there is no next-closest
+  //      element than the one we are searching for, so we return -1.
+  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+  var cmp = aCompare(aNeedle, aHaystack[mid], true);
+  if (cmp === 0) {
+    // Found the element we are looking for.
+    return mid;
+  }
+  else if (cmp > 0) {
+    // Our needle is greater than aHaystack[mid].
+    if (aHigh - mid > 1) {
+      // The element is in the upper half.
+      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // The exact needle element was not found in this haystack. Determine if
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return aHigh < aHaystack.length ? aHigh : -1;
+    } else {
+      return mid;
+    }
+  }
+  else {
+    // Our needle is less than aHaystack[mid].
+    if (mid - aLow > 1) {
+      // The element is in the lower half.
+      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return mid;
+    } else {
+      return aLow < 0 ? -1 : aLow;
+    }
+  }
+}
+
+/**
+ * This is an implementation of binary search which will always try and return
+ * the index of the closest element if there is no exact hit. This is because
+ * mappings between original and generated line/col pairs are single points,
+ * and there is an implicit region between each of them, so a miss just means
+ * that you aren't on the very start of a region.
+ *
+ * @param aNeedle The element you are looking for.
+ * @param aHaystack The array that is being searched.
+ * @param aCompare A function which takes the needle and an element in the
+ *     array and returns -1, 0, or 1 depending on whether the needle is less
+ *     than, equal to, or greater than the element, respectively.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
+ */
+exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
+  if (aHaystack.length === 0) {
+    return -1;
+  }
+
+  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
+  if (index < 0) {
+    return -1;
+  }
+
+  // We have found either the exact element, or the next-closest element than
+  // the one we are searching for. However, there may be more than one such
+  // element. Make sure we always return the smallest of these.
+  while (index - 1 >= 0) {
+    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
+      break;
+    }
+    --index;
+  }
+
+  return index;
+};
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/mapping-list.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/mapping-list.js
new file mode 100644
index 00000000..06d1274a
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/mapping-list.js
@@ -0,0 +1,79 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/quick-sort.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/quick-sort.js
new file mode 100644
index 00000000..6a7caadb
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/quick-sort.js
@@ -0,0 +1,114 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+// It turns out that some (most?) JavaScript engines don't self-host
+// `Array.prototype.sort`. This makes sense because C++ will likely remain
+// faster than JS when doing raw CPU-intensive sorting. However, when using a
+// custom comparator function, calling back and forth between the VM's C++ and
+// JIT'd JS is rather slow *and* loses JIT type information, resulting in
+// worse generated code for the comparator function than would be optimal. In
+// fact, when sorting with a comparator, these costs outweigh the benefits of
+// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+// a ~3500ms mean speed-up in `bench/bench.html`.
+
+/**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ *        The array.
+ * @param {Number} x
+ *        The index of the first item.
+ * @param {Number} y
+ *        The index of the second item.
+ */
+function swap(ary, x, y) {
+  var temp = ary[x];
+  ary[x] = ary[y];
+  ary[y] = temp;
+}
+
+/**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ *        The lower bound on the range.
+ * @param {Number} high
+ *        The upper bound on the range.
+ */
+function randomIntInRange(low, high) {
+  return Math.round(low + (Math.random() * (high - low)));
+}
+
+/**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ * @param {Number} p
+ *        Start index of the array
+ * @param {Number} r
+ *        End index of the array
+ */
+function doQuickSort(ary, comparator, p, r) {
+  // If our lower bound is less than our upper bound, we (1) partition the
+  // array into two pieces and (2) recurse on each half. If it is not, this is
+  // the empty array and our base case.
+
+  if (p < r) {
+    // (1) Partitioning.
+    //
+    // The partitioning chooses a pivot between `p` and `r` and moves all
+    // elements that are less than or equal to the pivot to the before it, and
+    // all the elements that are greater than it after it. The effect is that
+    // once partition is done, the pivot is in the exact place it will be when
+    // the array is put in sorted order, and it will not need to be moved
+    // again. This runs in O(n) time.
+
+    // Always choose a random pivot so that an input array which is reverse
+    // sorted does not cause O(n^2) running time.
+    var pivotIndex = randomIntInRange(p, r);
+    var i = p - 1;
+
+    swap(ary, pivotIndex, r);
+    var pivot = ary[r];
+
+    // Immediately after `j` is incremented in this loop, the following hold
+    // true:
+    //
+    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
+    //
+    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+    for (var j = p; j < r; j++) {
+      if (comparator(ary[j], pivot) <= 0) {
+        i += 1;
+        swap(ary, i, j);
+      }
+    }
+
+    swap(ary, i + 1, j);
+    var q = i + 1;
+
+    // (2) Recurse on each half.
+
+    doQuickSort(ary, comparator, p, q - 1);
+    doQuickSort(ary, comparator, q + 1, r);
+  }
+}
+
+/**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ */
+exports.quickSort = function (ary, comparator) {
+  doQuickSort(ary, comparator, 0, ary.length - 1);
+};
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-consumer.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-consumer.js
new file mode 100644
index 00000000..7b99d1da
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-consumer.js
@@ -0,0 +1,1145 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var binarySearch = require('./binary-search');
+var ArraySet = require('./array-set').ArraySet;
+var base64VLQ = require('./base64-vlq');
+var quickSort = require('./quick-sort').quickSort;
+
+function SourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  return sourceMap.sections != null
+    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
+    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
+}
+
+SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) {
+  return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL);
+}
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+SourceMapConsumer.prototype._version = 3;
+
+// `__generatedMappings` and `__originalMappings` are arrays that hold the
+// parsed mapping coordinates from the source map's "mappings" attribute. They
+// are lazily instantiated, accessed via the `_generatedMappings` and
+// `_originalMappings` getters respectively, and we only parse the mappings
+// and create these arrays once queried for a source location. We jump through
+// these hoops because there can be many thousands of mappings, and parsing
+// them is expensive, so we only want to do it if we must.
+//
+// Each object in the arrays is of the form:
+//
+//     {
+//       generatedLine: The line number in the generated code,
+//       generatedColumn: The column number in the generated code,
+//       source: The path to the original source file that generated this
+//               chunk of code,
+//       originalLine: The line number in the original source that
+//                     corresponds to this chunk of generated code,
+//       originalColumn: The column number in the original source that
+//                       corresponds to this chunk of generated code,
+//       name: The name of the original symbol which generated this chunk of
+//             code.
+//     }
+//
+// All properties except for `generatedLine` and `generatedColumn` can be
+// `null`.
+//
+// `_generatedMappings` is ordered by the generated positions.
+//
+// `_originalMappings` is ordered by the original positions.
+
+SourceMapConsumer.prototype.__generatedMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__generatedMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__generatedMappings;
+  }
+});
+
+SourceMapConsumer.prototype.__originalMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__originalMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__originalMappings;
+  }
+});
+
+SourceMapConsumer.prototype._charIsMappingSeparator =
+  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
+    var c = aStr.charAt(index);
+    return c === ";" || c === ",";
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+SourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    throw new Error("Subclasses must implement _parseMappings");
+  };
+
+SourceMapConsumer.GENERATED_ORDER = 1;
+SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
+SourceMapConsumer.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Iterate over each mapping between an original source/line/column and a
+ * generated line/column in this source map.
+ *
+ * @param Function aCallback
+ *        The function that is called with each mapping.
+ * @param Object aContext
+ *        Optional. If specified, this object will be the value of `this` every
+ *        time that `aCallback` is called.
+ * @param aOrder
+ *        Either `SourceMapConsumer.GENERATED_ORDER` or
+ *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+ *        iterate over the mappings sorted by the generated file's line/column
+ *        order or the original's source/line/column order, respectively. Defaults to
+ *        `SourceMapConsumer.GENERATED_ORDER`.
+ */
+SourceMapConsumer.prototype.eachMapping =
+  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+    var context = aContext || null;
+    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+    var mappings;
+    switch (order) {
+    case SourceMapConsumer.GENERATED_ORDER:
+      mappings = this._generatedMappings;
+      break;
+    case SourceMapConsumer.ORIGINAL_ORDER:
+      mappings = this._originalMappings;
+      break;
+    default:
+      throw new Error("Unknown order of iteration.");
+    }
+
+    var sourceRoot = this.sourceRoot;
+    mappings.map(function (mapping) {
+      var source = mapping.source === null ? null : this._sources.at(mapping.source);
+      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
+      return {
+        source: source,
+        generatedLine: mapping.generatedLine,
+        generatedColumn: mapping.generatedColumn,
+        originalLine: mapping.originalLine,
+        originalColumn: mapping.originalColumn,
+        name: mapping.name === null ? null : this._names.at(mapping.name)
+      };
+    }, this).forEach(aCallback, context);
+  };
+
+/**
+ * Returns all generated line and column information for the original source,
+ * line, and column provided. If no column is provided, returns all mappings
+ * corresponding to a either the line we are searching for or the next
+ * closest line that has any mappings. Otherwise, returns all mappings
+ * corresponding to the given line and either the column we are searching for
+ * or the next closest column that has any offsets.
+ *
+ * The only argument is an object with the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number is 1-based.
+ *   - column: Optional. the column number in the original source.
+ *    The column number is 0-based.
+ *
+ * and an array of objects is returned, each with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *    line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *    The column number is 0-based.
+ */
+SourceMapConsumer.prototype.allGeneratedPositionsFor =
+  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
+    var line = util.getArg(aArgs, 'line');
+
+    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
+    // returns the index of the closest mapping less than the needle. By
+    // setting needle.originalColumn to 0, we thus find the last mapping for
+    // the given line, provided such a mapping exists.
+    var needle = {
+      source: util.getArg(aArgs, 'source'),
+      originalLine: line,
+      originalColumn: util.getArg(aArgs, 'column', 0)
+    };
+
+    needle.source = this._findSourceIndex(needle.source);
+    if (needle.source < 0) {
+      return [];
+    }
+
+    var mappings = [];
+
+    var index = this._findMapping(needle,
+                                  this._originalMappings,
+                                  "originalLine",
+                                  "originalColumn",
+                                  util.compareByOriginalPositions,
+                                  binarySearch.LEAST_UPPER_BOUND);
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (aArgs.column === undefined) {
+        var originalLine = mapping.originalLine;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we found. Since
+        // mappings are sorted, this is guaranteed to find all mappings for
+        // the line we found.
+        while (mapping && mapping.originalLine === originalLine) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      } else {
+        var originalColumn = mapping.originalColumn;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we were searching for.
+        // Since mappings are sorted, this is guaranteed to find all mappings for
+        // the line we are searching for.
+        while (mapping &&
+               mapping.originalLine === line &&
+               mapping.originalColumn == originalColumn) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      }
+    }
+
+    return mappings;
+  };
+
+exports.SourceMapConsumer = SourceMapConsumer;
+
+/**
+ * A BasicSourceMapConsumer instance represents a parsed source map which we can
+ * query for information about the original file positions by giving it a file
+ * position in the generated source.
+ *
+ * The first parameter is the raw source map (either as a JSON string, or
+ * already parsed to an object). According to the spec, source maps have the
+ * following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - sources: An array of URLs to the original source files.
+ *   - names: An array of identifiers which can be referrenced by individual mappings.
+ *   - sourceRoot: Optional. The URL root from which all sources are relative.
+ *   - sourcesContent: Optional. An array of contents of the original source files.
+ *   - mappings: A string of base64 VLQs which contain the actual mappings.
+ *   - file: Optional. The generated file this source map is associated with.
+ *
+ * Here is an example source map, taken from the source map spec[0]:
+ *
+ *     {
+ *       version : 3,
+ *       file: "out.js",
+ *       sourceRoot : "",
+ *       sources: ["foo.js", "bar.js"],
+ *       names: ["src", "maps", "are", "fun"],
+ *       mappings: "AA,AB;;ABCDE;"
+ *     }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+ */
+function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sources = util.getArg(sourceMap, 'sources');
+  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
+  // requires the array) to play nice here.
+  var names = util.getArg(sourceMap, 'names', []);
+  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
+  var mappings = util.getArg(sourceMap, 'mappings');
+  var file = util.getArg(sourceMap, 'file', null);
+
+  // Once again, Sass deviates from the spec and supplies the version as a
+  // string rather than a number, so we use loose equality checking here.
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  if (sourceRoot) {
+    sourceRoot = util.normalize(sourceRoot);
+  }
+
+  sources = sources
+    .map(String)
+    // Some source maps produce relative source paths like "./foo.js" instead of
+    // "foo.js".  Normalize these first so that future comparisons will succeed.
+    // See bugzil.la/1090768.
+    .map(util.normalize)
+    // Always ensure that absolute sources are internally stored relative to
+    // the source root, if the source root is absolute. Not doing this would
+    // be particularly problematic when the source root is a prefix of the
+    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
+    .map(function (source) {
+      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
+        ? util.relative(sourceRoot, source)
+        : source;
+    });
+
+  // Pass `true` below to allow duplicate names and sources. While source maps
+  // are intended to be compressed and deduplicated, the TypeScript compiler
+  // sometimes generates source maps with duplicates in them. See Github issue
+  // #72 and bugzil.la/889492.
+  this._names = ArraySet.fromArray(names.map(String), true);
+  this._sources = ArraySet.fromArray(sources, true);
+
+  this._absoluteSources = this._sources.toArray().map(function (s) {
+    return util.computeSourceURL(sourceRoot, s, aSourceMapURL);
+  });
+
+  this.sourceRoot = sourceRoot;
+  this.sourcesContent = sourcesContent;
+  this._mappings = mappings;
+  this._sourceMapURL = aSourceMapURL;
+  this.file = file;
+}
+
+BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
+
+/**
+ * Utility function to find the index of a source.  Returns -1 if not
+ * found.
+ */
+BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) {
+  var relativeSource = aSource;
+  if (this.sourceRoot != null) {
+    relativeSource = util.relative(this.sourceRoot, relativeSource);
+  }
+
+  if (this._sources.has(relativeSource)) {
+    return this._sources.indexOf(relativeSource);
+  }
+
+  // Maybe aSource is an absolute URL as returned by |sources|.  In
+  // this case we can't simply undo the transform.
+  var i;
+  for (i = 0; i < this._absoluteSources.length; ++i) {
+    if (this._absoluteSources[i] == aSource) {
+      return i;
+    }
+  }
+
+  return -1;
+};
+
+/**
+ * Create a BasicSourceMapConsumer from a SourceMapGenerator.
+ *
+ * @param SourceMapGenerator aSourceMap
+ *        The source map that will be consumed.
+ * @param String aSourceMapURL
+ *        The URL at which the source map can be found (optional)
+ * @returns BasicSourceMapConsumer
+ */
+BasicSourceMapConsumer.fromSourceMap =
+  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
+    var smc = Object.create(BasicSourceMapConsumer.prototype);
+
+    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
+    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
+    smc.sourceRoot = aSourceMap._sourceRoot;
+    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
+                                                            smc.sourceRoot);
+    smc.file = aSourceMap._file;
+    smc._sourceMapURL = aSourceMapURL;
+    smc._absoluteSources = smc._sources.toArray().map(function (s) {
+      return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL);
+    });
+
+    // Because we are modifying the entries (by converting string sources and
+    // names to indices into the sources and names ArraySets), we have to make
+    // a copy of the entry or else bad things happen. Shared mutable state
+    // strikes again! See github issue #191.
+
+    var generatedMappings = aSourceMap._mappings.toArray().slice();
+    var destGeneratedMappings = smc.__generatedMappings = [];
+    var destOriginalMappings = smc.__originalMappings = [];
+
+    for (var i = 0, length = generatedMappings.length; i < length; i++) {
+      var srcMapping = generatedMappings[i];
+      var destMapping = new Mapping;
+      destMapping.generatedLine = srcMapping.generatedLine;
+      destMapping.generatedColumn = srcMapping.generatedColumn;
+
+      if (srcMapping.source) {
+        destMapping.source = sources.indexOf(srcMapping.source);
+        destMapping.originalLine = srcMapping.originalLine;
+        destMapping.originalColumn = srcMapping.originalColumn;
+
+        if (srcMapping.name) {
+          destMapping.name = names.indexOf(srcMapping.name);
+        }
+
+        destOriginalMappings.push(destMapping);
+      }
+
+      destGeneratedMappings.push(destMapping);
+    }
+
+    quickSort(smc.__originalMappings, util.compareByOriginalPositions);
+
+    return smc;
+  };
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+BasicSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    return this._absoluteSources.slice();
+  }
+});
+
+/**
+ * Provide the JIT with a nice shape / hidden class.
+ */
+function Mapping() {
+  this.generatedLine = 0;
+  this.generatedColumn = 0;
+  this.source = null;
+  this.originalLine = null;
+  this.originalColumn = null;
+  this.name = null;
+}
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+BasicSourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    var generatedLine = 1;
+    var previousGeneratedColumn = 0;
+    var previousOriginalLine = 0;
+    var previousOriginalColumn = 0;
+    var previousSource = 0;
+    var previousName = 0;
+    var length = aStr.length;
+    var index = 0;
+    var cachedSegments = {};
+    var temp = {};
+    var originalMappings = [];
+    var generatedMappings = [];
+    var mapping, str, segment, end, value;
+
+    while (index < length) {
+      if (aStr.charAt(index) === ';') {
+        generatedLine++;
+        index++;
+        previousGeneratedColumn = 0;
+      }
+      else if (aStr.charAt(index) === ',') {
+        index++;
+      }
+      else {
+        mapping = new Mapping();
+        mapping.generatedLine = generatedLine;
+
+        // Because each offset is encoded relative to the previous one,
+        // many segments often have the same encoding. We can exploit this
+        // fact by caching the parsed variable length fields of each segment,
+        // allowing us to avoid a second parse if we encounter the same
+        // segment again.
+        for (end = index; end < length; end++) {
+          if (this._charIsMappingSeparator(aStr, end)) {
+            break;
+          }
+        }
+        str = aStr.slice(index, end);
+
+        segment = cachedSegments[str];
+        if (segment) {
+          index += str.length;
+        } else {
+          segment = [];
+          while (index < end) {
+            base64VLQ.decode(aStr, index, temp);
+            value = temp.value;
+            index = temp.rest;
+            segment.push(value);
+          }
+
+          if (segment.length === 2) {
+            throw new Error('Found a source, but no line and column');
+          }
+
+          if (segment.length === 3) {
+            throw new Error('Found a source and line, but no column');
+          }
+
+          cachedSegments[str] = segment;
+        }
+
+        // Generated column.
+        mapping.generatedColumn = previousGeneratedColumn + segment[0];
+        previousGeneratedColumn = mapping.generatedColumn;
+
+        if (segment.length > 1) {
+          // Original source.
+          mapping.source = previousSource + segment[1];
+          previousSource += segment[1];
+
+          // Original line.
+          mapping.originalLine = previousOriginalLine + segment[2];
+          previousOriginalLine = mapping.originalLine;
+          // Lines are stored 0-based
+          mapping.originalLine += 1;
+
+          // Original column.
+          mapping.originalColumn = previousOriginalColumn + segment[3];
+          previousOriginalColumn = mapping.originalColumn;
+
+          if (segment.length > 4) {
+            // Original name.
+            mapping.name = previousName + segment[4];
+            previousName += segment[4];
+          }
+        }
+
+        generatedMappings.push(mapping);
+        if (typeof mapping.originalLine === 'number') {
+          originalMappings.push(mapping);
+        }
+      }
+    }
+
+    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
+    this.__generatedMappings = generatedMappings;
+
+    quickSort(originalMappings, util.compareByOriginalPositions);
+    this.__originalMappings = originalMappings;
+  };
+
+/**
+ * Find the mapping that best matches the hypothetical "needle" mapping that
+ * we are searching for in the given "haystack" of mappings.
+ */
+BasicSourceMapConsumer.prototype._findMapping =
+  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                         aColumnName, aComparator, aBias) {
+    // To return the position we are searching for, we must first find the
+    // mapping for the given position and then return the opposite position it
+    // points to. Because the mappings are sorted, we can use binary search to
+    // find the best mapping.
+
+    if (aNeedle[aLineName] <= 0) {
+      throw new TypeError('Line must be greater than or equal to 1, got '
+                          + aNeedle[aLineName]);
+    }
+    if (aNeedle[aColumnName] < 0) {
+      throw new TypeError('Column must be greater than or equal to 0, got '
+                          + aNeedle[aColumnName]);
+    }
+
+    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
+  };
+
+/**
+ * Compute the last column for each generated mapping. The last column is
+ * inclusive.
+ */
+BasicSourceMapConsumer.prototype.computeColumnSpans =
+  function SourceMapConsumer_computeColumnSpans() {
+    for (var index = 0; index < this._generatedMappings.length; ++index) {
+      var mapping = this._generatedMappings[index];
+
+      // Mappings do not contain a field for the last generated columnt. We
+      // can come up with an optimistic estimate, however, by assuming that
+      // mappings are contiguous (i.e. given two consecutive mappings, the
+      // first mapping ends where the second one starts).
+      if (index + 1 < this._generatedMappings.length) {
+        var nextMapping = this._generatedMappings[index + 1];
+
+        if (mapping.generatedLine === nextMapping.generatedLine) {
+          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
+          continue;
+        }
+      }
+
+      // The last mapping for each line spans the entire line.
+      mapping.lastGeneratedColumn = Infinity;
+    }
+  };
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+BasicSourceMapConsumer.prototype.originalPositionFor =
+  function SourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._generatedMappings,
+      "generatedLine",
+      "generatedColumn",
+      util.compareByGeneratedPositionsDeflated,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._generatedMappings[index];
+
+      if (mapping.generatedLine === needle.generatedLine) {
+        var source = util.getArg(mapping, 'source', null);
+        if (source !== null) {
+          source = this._sources.at(source);
+          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
+        }
+        var name = util.getArg(mapping, 'name', null);
+        if (name !== null) {
+          name = this._names.at(name);
+        }
+        return {
+          source: source,
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: name
+        };
+      }
+    }
+
+    return {
+      source: null,
+      line: null,
+      column: null,
+      name: null
+    };
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function BasicSourceMapConsumer_hasContentsOfAllSources() {
+    if (!this.sourcesContent) {
+      return false;
+    }
+    return this.sourcesContent.length >= this._sources.size() &&
+      !this.sourcesContent.some(function (sc) { return sc == null; });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+BasicSourceMapConsumer.prototype.sourceContentFor =
+  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    if (!this.sourcesContent) {
+      return null;
+    }
+
+    var index = this._findSourceIndex(aSource);
+    if (index >= 0) {
+      return this.sourcesContent[index];
+    }
+
+    var relativeSource = aSource;
+    if (this.sourceRoot != null) {
+      relativeSource = util.relative(this.sourceRoot, relativeSource);
+    }
+
+    var url;
+    if (this.sourceRoot != null
+        && (url = util.urlParse(this.sourceRoot))) {
+      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
+      // many users. We can help them out when they expect file:// URIs to
+      // behave like it would if they were running a local HTTP server. See
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
+      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
+      if (url.scheme == "file"
+          && this._sources.has(fileUriAbsPath)) {
+        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
+      }
+
+      if ((!url.path || url.path == "/")
+          && this._sources.has("/" + relativeSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
+      }
+    }
+
+    // This function is used recursively from
+    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
+    // don't want to throw if we can't find the source - we just want to
+    // return null, so we provide a flag to exit gracefully.
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+BasicSourceMapConsumer.prototype.generatedPositionFor =
+  function SourceMapConsumer_generatedPositionFor(aArgs) {
+    var source = util.getArg(aArgs, 'source');
+    source = this._findSourceIndex(source);
+    if (source < 0) {
+      return {
+        line: null,
+        column: null,
+        lastColumn: null
+      };
+    }
+
+    var needle = {
+      source: source,
+      originalLine: util.getArg(aArgs, 'line'),
+      originalColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._originalMappings,
+      "originalLine",
+      "originalColumn",
+      util.compareByOriginalPositions,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (mapping.source === needle.source) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null),
+          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+        };
+      }
+    }
+
+    return {
+      line: null,
+      column: null,
+      lastColumn: null
+    };
+  };
+
+exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
+
+/**
+ * An IndexedSourceMapConsumer instance represents a parsed source map which
+ * we can query for information. It differs from BasicSourceMapConsumer in
+ * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
+ * input.
+ *
+ * The first parameter is a raw source map (either as a JSON string, or already
+ * parsed to an object). According to the spec for indexed source maps, they
+ * have the following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - file: Optional. The generated file this source map is associated with.
+ *   - sections: A list of section definitions.
+ *
+ * Each value under the "sections" field has two fields:
+ *   - offset: The offset into the original specified at which this section
+ *       begins to apply, defined as an object with a "line" and "column"
+ *       field.
+ *   - map: A source map definition. This source map could also be indexed,
+ *       but doesn't have to be.
+ *
+ * Instead of the "map" field, it's also possible to have a "url" field
+ * specifying a URL to retrieve a source map from, but that's currently
+ * unsupported.
+ *
+ * Here's an example source map, taken from the source map spec[0], but
+ * modified to omit a section which uses the "url" field.
+ *
+ *  {
+ *    version : 3,
+ *    file: "app.js",
+ *    sections: [{
+ *      offset: {line:100, column:10},
+ *      map: {
+ *        version : 3,
+ *        file: "section.js",
+ *        sources: ["foo.js", "bar.js"],
+ *        names: ["src", "maps", "are", "fun"],
+ *        mappings: "AAAA,E;;ABCDE;"
+ *      }
+ *    }],
+ *  }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
+ */
+function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sections = util.getArg(sourceMap, 'sections');
+
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+
+  var lastOffset = {
+    line: -1,
+    column: 0
+  };
+  this._sections = sections.map(function (s) {
+    if (s.url) {
+      // The url field will require support for asynchronicity.
+      // See https://github.com/mozilla/source-map/issues/16
+      throw new Error('Support for url field in sections not implemented.');
+    }
+    var offset = util.getArg(s, 'offset');
+    var offsetLine = util.getArg(offset, 'line');
+    var offsetColumn = util.getArg(offset, 'column');
+
+    if (offsetLine < lastOffset.line ||
+        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
+      throw new Error('Section offsets must be ordered and non-overlapping.');
+    }
+    lastOffset = offset;
+
+    return {
+      generatedOffset: {
+        // The offset fields are 0-based, but we use 1-based indices when
+        // encoding/decoding from VLQ.
+        generatedLine: offsetLine + 1,
+        generatedColumn: offsetColumn + 1
+      },
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
+    }
+  });
+}
+
+IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+IndexedSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    var sources = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
+        sources.push(this._sections[i].consumer.sources[j]);
+      }
+    }
+    return sources;
+  }
+});
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+IndexedSourceMapConsumer.prototype.originalPositionFor =
+  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    // Find the section containing the generated position we're trying to map
+    // to an original position.
+    var sectionIndex = binarySearch.search(needle, this._sections,
+      function(needle, section) {
+        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
+        if (cmp) {
+          return cmp;
+        }
+
+        return (needle.generatedColumn -
+                section.generatedOffset.generatedColumn);
+      });
+    var section = this._sections[sectionIndex];
+
+    if (!section) {
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    }
+
+    return section.consumer.originalPositionFor({
+      line: needle.generatedLine -
+        (section.generatedOffset.generatedLine - 1),
+      column: needle.generatedColumn -
+        (section.generatedOffset.generatedLine === needle.generatedLine
+         ? section.generatedOffset.generatedColumn - 1
+         : 0),
+      bias: aArgs.bias
+    });
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
+    return this._sections.every(function (s) {
+      return s.consumer.hasContentsOfAllSources();
+    });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+IndexedSourceMapConsumer.prototype.sourceContentFor =
+  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      var content = section.consumer.sourceContentFor(aSource, true);
+      if (content) {
+        return content;
+      }
+    }
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based. 
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+IndexedSourceMapConsumer.prototype.generatedPositionFor =
+  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      // Only consider this section if the requested source is in the list of
+      // sources of the consumer.
+      if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) {
+        continue;
+      }
+      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
+      if (generatedPosition) {
+        var ret = {
+          line: generatedPosition.line +
+            (section.generatedOffset.generatedLine - 1),
+          column: generatedPosition.column +
+            (section.generatedOffset.generatedLine === generatedPosition.line
+             ? section.generatedOffset.generatedColumn - 1
+             : 0)
+        };
+        return ret;
+      }
+    }
+
+    return {
+      line: null,
+      column: null
+    };
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+IndexedSourceMapConsumer.prototype._parseMappings =
+  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    this.__generatedMappings = [];
+    this.__originalMappings = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+      var sectionMappings = section.consumer._generatedMappings;
+      for (var j = 0; j < sectionMappings.length; j++) {
+        var mapping = sectionMappings[j];
+
+        var source = section.consumer._sources.at(mapping.source);
+        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
+        this._sources.add(source);
+        source = this._sources.indexOf(source);
+
+        var name = null;
+        if (mapping.name) {
+          name = section.consumer._names.at(mapping.name);
+          this._names.add(name);
+          name = this._names.indexOf(name);
+        }
+
+        // The mappings coming from the consumer for the section have
+        // generated positions relative to the start of the section, so we
+        // need to offset them to be relative to the start of the concatenated
+        // generated file.
+        var adjustedMapping = {
+          source: source,
+          generatedLine: mapping.generatedLine +
+            (section.generatedOffset.generatedLine - 1),
+          generatedColumn: mapping.generatedColumn +
+            (section.generatedOffset.generatedLine === mapping.generatedLine
+            ? section.generatedOffset.generatedColumn - 1
+            : 0),
+          originalLine: mapping.originalLine,
+          originalColumn: mapping.originalColumn,
+          name: name
+        };
+
+        this.__generatedMappings.push(adjustedMapping);
+        if (typeof adjustedMapping.originalLine === 'number') {
+          this.__originalMappings.push(adjustedMapping);
+        }
+      }
+    }
+
+    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
+    quickSort(this.__originalMappings, util.compareByOriginalPositions);
+  };
+
+exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-generator.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-generator.js
new file mode 100644
index 00000000..508bcfbb
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-map-generator.js
@@ -0,0 +1,425 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-node.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-node.js
new file mode 100644
index 00000000..8bcdbe38
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/source-node.js
@@ -0,0 +1,413 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+var util = require('./util');
+
+// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
+// operating systems these days (capturing the result).
+var REGEX_NEWLINE = /(\r?\n)/;
+
+// Newline character code for charCodeAt() comparisons
+var NEWLINE_CODE = 10;
+
+// Private symbol for identifying `SourceNode`s when multiple versions of
+// the source-map library are loaded. This MUST NOT CHANGE across
+// versions!
+var isSourceNode = "$$$isSourceNode$$$";
+
+/**
+ * SourceNodes provide a way to abstract over interpolating/concatenating
+ * snippets of generated JavaScript source code while maintaining the line and
+ * column information associated with the original source code.
+ *
+ * @param aLine The original line number.
+ * @param aColumn The original column number.
+ * @param aSource The original source's filename.
+ * @param aChunks Optional. An array of strings which are snippets of
+ *        generated JS, or other SourceNodes.
+ * @param aName The original identifier.
+ */
+function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
+  this.children = [];
+  this.sourceContents = {};
+  this.line = aLine == null ? null : aLine;
+  this.column = aColumn == null ? null : aColumn;
+  this.source = aSource == null ? null : aSource;
+  this.name = aName == null ? null : aName;
+  this[isSourceNode] = true;
+  if (aChunks != null) this.add(aChunks);
+}
+
+/**
+ * Creates a SourceNode from generated code and a SourceMapConsumer.
+ *
+ * @param aGeneratedCode The generated code
+ * @param aSourceMapConsumer The SourceMap for the generated code
+ * @param aRelativePath Optional. The path that relative sources in the
+ *        SourceMapConsumer should be relative to.
+ */
+SourceNode.fromStringWithSourceMap =
+  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
+    // The SourceNode we want to fill with the generated code
+    // and the SourceMap
+    var node = new SourceNode();
+
+    // All even indices of this array are one line of the generated code,
+    // while all odd indices are the newlines between two adjacent lines
+    // (since `REGEX_NEWLINE` captures its match).
+    // Processed fragments are accessed by calling `shiftNextLine`.
+    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
+    var remainingLinesIndex = 0;
+    var shiftNextLine = function() {
+      var lineContents = getNextLine();
+      // The last line of a file might not have a newline.
+      var newLine = getNextLine() || "";
+      return lineContents + newLine;
+
+      function getNextLine() {
+        return remainingLinesIndex < remainingLines.length ?
+            remainingLines[remainingLinesIndex++] : undefined;
+      }
+    };
+
+    // We need to remember the position of "remainingLines"
+    var lastGeneratedLine = 1, lastGeneratedColumn = 0;
+
+    // The generate SourceNodes we need a code range.
+    // To extract it current and last mapping is used.
+    // Here we store the last mapping.
+    var lastMapping = null;
+
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      if (lastMapping !== null) {
+        // We add the code from "lastMapping" to "mapping":
+        // First check if there is a new line in between.
+        if (lastGeneratedLine < mapping.generatedLine) {
+          // Associate first line with "lastMapping"
+          addMappingWithCode(lastMapping, shiftNextLine());
+          lastGeneratedLine++;
+          lastGeneratedColumn = 0;
+          // The remaining code is added without mapping
+        } else {
+          // There is no new line in between.
+          // Associate the code between "lastGeneratedColumn" and
+          // "mapping.generatedColumn" with "lastMapping"
+          var nextLine = remainingLines[remainingLinesIndex] || '';
+          var code = nextLine.substr(0, mapping.generatedColumn -
+                                        lastGeneratedColumn);
+          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
+                                              lastGeneratedColumn);
+          lastGeneratedColumn = mapping.generatedColumn;
+          addMappingWithCode(lastMapping, code);
+          // No more remaining code, continue
+          lastMapping = mapping;
+          return;
+        }
+      }
+      // We add the generated code until the first mapping
+      // to the SourceNode without any mapping.
+      // Each line is added as separate string.
+      while (lastGeneratedLine < mapping.generatedLine) {
+        node.add(shiftNextLine());
+        lastGeneratedLine++;
+      }
+      if (lastGeneratedColumn < mapping.generatedColumn) {
+        var nextLine = remainingLines[remainingLinesIndex] || '';
+        node.add(nextLine.substr(0, mapping.generatedColumn));
+        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
+        lastGeneratedColumn = mapping.generatedColumn;
+      }
+      lastMapping = mapping;
+    }, this);
+    // We have processed all mappings.
+    if (remainingLinesIndex < remainingLines.length) {
+      if (lastMapping) {
+        // Associate the remaining code in the current line with "lastMapping"
+        addMappingWithCode(lastMapping, shiftNextLine());
+      }
+      // and add the remaining lines without any mapping
+      node.add(remainingLines.splice(remainingLinesIndex).join(""));
+    }
+
+    // Copy sourcesContent into SourceNode
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aRelativePath != null) {
+          sourceFile = util.join(aRelativePath, sourceFile);
+        }
+        node.setSourceContent(sourceFile, content);
+      }
+    });
+
+    return node;
+
+    function addMappingWithCode(mapping, code) {
+      if (mapping === null || mapping.source === undefined) {
+        node.add(code);
+      } else {
+        var source = aRelativePath
+          ? util.join(aRelativePath, mapping.source)
+          : mapping.source;
+        node.add(new SourceNode(mapping.originalLine,
+                                mapping.originalColumn,
+                                source,
+                                code,
+                                mapping.name));
+      }
+    }
+  };
+
+/**
+ * Add a chunk of generated JS to this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.add = function SourceNode_add(aChunk) {
+  if (Array.isArray(aChunk)) {
+    aChunk.forEach(function (chunk) {
+      this.add(chunk);
+    }, this);
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    if (aChunk) {
+      this.children.push(aChunk);
+    }
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Add a chunk of generated JS to the beginning of this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+  if (Array.isArray(aChunk)) {
+    for (var i = aChunk.length-1; i >= 0; i--) {
+      this.prepend(aChunk[i]);
+    }
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    this.children.unshift(aChunk);
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Walk over the tree of JS snippets in this node and its children. The
+ * walking function is called once for each snippet of JS and is passed that
+ * snippet and the its original associated source's line/column location.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+  var chunk;
+  for (var i = 0, len = this.children.length; i < len; i++) {
+    chunk = this.children[i];
+    if (chunk[isSourceNode]) {
+      chunk.walk(aFn);
+    }
+    else {
+      if (chunk !== '') {
+        aFn(chunk, { source: this.source,
+                     line: this.line,
+                     column: this.column,
+                     name: this.name });
+      }
+    }
+  }
+};
+
+/**
+ * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+ * each of `this.children`.
+ *
+ * @param aSep The separator.
+ */
+SourceNode.prototype.join = function SourceNode_join(aSep) {
+  var newChildren;
+  var i;
+  var len = this.children.length;
+  if (len > 0) {
+    newChildren = [];
+    for (i = 0; i < len-1; i++) {
+      newChildren.push(this.children[i]);
+      newChildren.push(aSep);
+    }
+    newChildren.push(this.children[i]);
+    this.children = newChildren;
+  }
+  return this;
+};
+
+/**
+ * Call String.prototype.replace on the very right-most source snippet. Useful
+ * for trimming whitespace from the end of a source node, etc.
+ *
+ * @param aPattern The pattern to replace.
+ * @param aReplacement The thing to replace the pattern with.
+ */
+SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+  var lastChild = this.children[this.children.length - 1];
+  if (lastChild[isSourceNode]) {
+    lastChild.replaceRight(aPattern, aReplacement);
+  }
+  else if (typeof lastChild === 'string') {
+    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+  }
+  else {
+    this.children.push(''.replace(aPattern, aReplacement));
+  }
+  return this;
+};
+
+/**
+ * Set the source content for a source file. This will be added to the SourceMapGenerator
+ * in the sourcesContent field.
+ *
+ * @param aSourceFile The filename of the source file
+ * @param aSourceContent The content of the source file
+ */
+SourceNode.prototype.setSourceContent =
+  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+  };
+
+/**
+ * Walk over the tree of SourceNodes. The walking function is called for each
+ * source file content and is passed the filename and source content.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walkSourceContents =
+  function SourceNode_walkSourceContents(aFn) {
+    for (var i = 0, len = this.children.length; i < len; i++) {
+      if (this.children[i][isSourceNode]) {
+        this.children[i].walkSourceContents(aFn);
+      }
+    }
+
+    var sources = Object.keys(this.sourceContents);
+    for (var i = 0, len = sources.length; i < len; i++) {
+      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
+    }
+  };
+
+/**
+ * Return the string representation of this source node. Walks over the tree
+ * and concatenates all the various snippets together to one string.
+ */
+SourceNode.prototype.toString = function SourceNode_toString() {
+  var str = "";
+  this.walk(function (chunk) {
+    str += chunk;
+  });
+  return str;
+};
+
+/**
+ * Returns the string representation of this source node along with a source
+ * map.
+ */
+SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+  var generated = {
+    code: "",
+    line: 1,
+    column: 0
+  };
+  var map = new SourceMapGenerator(aArgs);
+  var sourceMappingActive = false;
+  var lastOriginalSource = null;
+  var lastOriginalLine = null;
+  var lastOriginalColumn = null;
+  var lastOriginalName = null;
+  this.walk(function (chunk, original) {
+    generated.code += chunk;
+    if (original.source !== null
+        && original.line !== null
+        && original.column !== null) {
+      if(lastOriginalSource !== original.source
+         || lastOriginalLine !== original.line
+         || lastOriginalColumn !== original.column
+         || lastOriginalName !== original.name) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          },
+          name: original.name
+        });
+      }
+      lastOriginalSource = original.source;
+      lastOriginalLine = original.line;
+      lastOriginalColumn = original.column;
+      lastOriginalName = original.name;
+      sourceMappingActive = true;
+    } else if (sourceMappingActive) {
+      map.addMapping({
+        generated: {
+          line: generated.line,
+          column: generated.column
+        }
+      });
+      lastOriginalSource = null;
+      sourceMappingActive = false;
+    }
+    for (var idx = 0, length = chunk.length; idx < length; idx++) {
+      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
+        generated.line++;
+        generated.column = 0;
+        // Mappings end at eol
+        if (idx + 1 === length) {
+          lastOriginalSource = null;
+          sourceMappingActive = false;
+        } else if (sourceMappingActive) {
+          map.addMapping({
+            source: original.source,
+            original: {
+              line: original.line,
+              column: original.column
+            },
+            generated: {
+              line: generated.line,
+              column: generated.column
+            },
+            name: original.name
+          });
+        }
+      } else {
+        generated.column++;
+      }
+    }
+  });
+  this.walkSourceContents(function (sourceFile, sourceContent) {
+    map.setSourceContent(sourceFile, sourceContent);
+  });
+
+  return { code: generated.code, map: map };
+};
+
+exports.SourceNode = SourceNode;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/lib/util.js b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/util.js
new file mode 100644
index 00000000..3ca92e56
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/lib/util.js
@@ -0,0 +1,488 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+
+  var parts = path.split(/\/+/);
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+}
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/package.json b/node_modules/terser-webpack-plugin/node_modules/source-map/package.json
new file mode 100644
index 00000000..24663417
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/package.json
@@ -0,0 +1,73 @@
+{
+  "name": "source-map",
+  "description": "Generates and consumes source maps",
+  "version": "0.6.1",
+  "homepage": "https://github.com/mozilla/source-map",
+  "author": "Nick Fitzgerald <nfitzgerald@mozilla.com>",
+  "contributors": [
+    "Tobias Koppers <tobias.koppers@googlemail.com>",
+    "Duncan Beevers <duncan@dweebd.com>",
+    "Stephen Crane <scrane@mozilla.com>",
+    "Ryan Seddon <seddon.ryan@gmail.com>",
+    "Miles Elam <miles.elam@deem.com>",
+    "Mihai Bazon <mihai.bazon@gmail.com>",
+    "Michael Ficarra <github.public.email@michael.ficarra.me>",
+    "Todd Wolfson <todd@twolfson.com>",
+    "Alexander Solovyov <alexander@solovyov.net>",
+    "Felix Gnass <fgnass@gmail.com>",
+    "Conrad Irwin <conrad.irwin@gmail.com>",
+    "usrbincc <usrbincc@yahoo.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Chase Douglas <chase@newrelic.com>",
+    "Evan Wallace <evan.exe@gmail.com>",
+    "Heather Arthur <fayearthur@gmail.com>",
+    "Hugh Kennedy <hughskennedy@gmail.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Simon Lydell <simon.lydell@gmail.com>",
+    "Jmeas Smith <jellyes2@gmail.com>",
+    "Michael Z Goddard <mzgoddard@gmail.com>",
+    "azu <azu@users.noreply.github.com>",
+    "John Gozde <john@gozde.ca>",
+    "Adam Kirkton <akirkton@truefitinnovation.com>",
+    "Chris Montgomery <christopher.montgomery@dowjones.com>",
+    "J. Ryan Stinnett <jryans@gmail.com>",
+    "Jack Herrington <jherrington@walmartlabs.com>",
+    "Chris Truter <jeffpalentine@gmail.com>",
+    "Daniel Espeset <daniel@danielespeset.com>",
+    "Jamie Wong <jamie.lf.wong@gmail.com>",
+    "Eddy Bruël <ejpbruel@mozilla.com>",
+    "Hawken Rives <hawkrives@gmail.com>",
+    "Gilad Peleg <giladp007@gmail.com>",
+    "djchie <djchie.dev@gmail.com>",
+    "Gary Ye <garysye@gmail.com>",
+    "Nicolas Lalevée <nicolas.lalevee@hibnet.org>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mozilla/source-map.git"
+  },
+  "main": "./source-map.js",
+  "files": [
+    "source-map.js",
+    "source-map.d.ts",
+    "lib/",
+    "dist/source-map.debug.js",
+    "dist/source-map.js",
+    "dist/source-map.min.js",
+    "dist/source-map.min.js.map"
+  ],
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "test": "npm run build && node test/run-tests.js",
+    "build": "webpack --color",
+    "toc": "doctoc --title '## Table of Contents' README.md && doctoc --title '## Table of Contents' CONTRIBUTING.md"
+  },
+  "devDependencies": {
+    "doctoc": "^0.15.0",
+    "webpack": "^1.12.0"
+  },
+  "typings": "source-map"
+}
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.d.ts b/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.d.ts
new file mode 100644
index 00000000..8f972b0c
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.d.ts
@@ -0,0 +1,98 @@
+export interface StartOfSourceMap {
+    file?: string;
+    sourceRoot?: string;
+}
+
+export interface RawSourceMap extends StartOfSourceMap {
+    version: string;
+    sources: string[];
+    names: string[];
+    sourcesContent?: string[];
+    mappings: string;
+}
+
+export interface Position {
+    line: number;
+    column: number;
+}
+
+export interface LineRange extends Position {
+    lastColumn: number;
+}
+
+export interface FindPosition extends Position {
+    // SourceMapConsumer.GREATEST_LOWER_BOUND or SourceMapConsumer.LEAST_UPPER_BOUND
+    bias?: number;
+}
+
+export interface SourceFindPosition extends FindPosition {
+    source: string;
+}
+
+export interface MappedPosition extends Position {
+    source: string;
+    name?: string;
+}
+
+export interface MappingItem {
+    source: string;
+    generatedLine: number;
+    generatedColumn: number;
+    originalLine: number;
+    originalColumn: number;
+    name: string;
+}
+
+export class SourceMapConsumer {
+    static GENERATED_ORDER: number;
+    static ORIGINAL_ORDER: number;
+
+    static GREATEST_LOWER_BOUND: number;
+    static LEAST_UPPER_BOUND: number;
+
+    constructor(rawSourceMap: RawSourceMap);
+    computeColumnSpans(): void;
+    originalPositionFor(generatedPosition: FindPosition): MappedPosition;
+    generatedPositionFor(originalPosition: SourceFindPosition): LineRange;
+    allGeneratedPositionsFor(originalPosition: MappedPosition): Position[];
+    hasContentsOfAllSources(): boolean;
+    sourceContentFor(source: string, returnNullOnMissing?: boolean): string;
+    eachMapping(callback: (mapping: MappingItem) => void, context?: any, order?: number): void;
+}
+
+export interface Mapping {
+    generated: Position;
+    original: Position;
+    source: string;
+    name?: string;
+}
+
+export class SourceMapGenerator {
+    constructor(startOfSourceMap?: StartOfSourceMap);
+    static fromSourceMap(sourceMapConsumer: SourceMapConsumer): SourceMapGenerator;
+    addMapping(mapping: Mapping): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    applySourceMap(sourceMapConsumer: SourceMapConsumer, sourceFile?: string, sourceMapPath?: string): void;
+    toString(): string;
+}
+
+export interface CodeWithSourceMap {
+    code: string;
+    map: SourceMapGenerator;
+}
+
+export class SourceNode {
+    constructor();
+    constructor(line: number, column: number, source: string);
+    constructor(line: number, column: number, source: string, chunk?: string, name?: string);
+    static fromStringWithSourceMap(code: string, sourceMapConsumer: SourceMapConsumer, relativePath?: string): SourceNode;
+    add(chunk: string): void;
+    prepend(chunk: string): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    walk(fn: (chunk: string, mapping: MappedPosition) => void): void;
+    walkSourceContents(fn: (file: string, content: string) => void): void;
+    join(sep: string): SourceNode;
+    replaceRight(pattern: string, replacement: string): SourceNode;
+    toString(): string;
+    toStringWithSourceMap(startOfSourceMap?: StartOfSourceMap): CodeWithSourceMap;
+}
diff --git a/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.js b/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.js
new file mode 100644
index 00000000..bc88fe82
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/node_modules/source-map/source-map.js
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./lib/source-node').SourceNode;
diff --git a/node_modules/terser-webpack-plugin/package.json b/node_modules/terser-webpack-plugin/package.json
new file mode 100644
index 00000000..51046e32
--- /dev/null
+++ b/node_modules/terser-webpack-plugin/package.json
@@ -0,0 +1,94 @@
+{
+  "name": "terser-webpack-plugin",
+  "version": "1.4.6",
+  "description": "Terser plugin for webpack",
+  "license": "MIT",
+  "repository": "webpack-contrib/terser-webpack-plugin",
+  "author": "webpack Contrib Team",
+  "homepage": "https://github.com/webpack-contrib/terser-webpack-plugin",
+  "bugs": "https://github.com/webpack-contrib/terser-webpack-plugin/issues",
+  "main": "dist/cjs.js",
+  "engines": {
+    "node": ">= 6.9.0"
+  },
+  "scripts": {
+    "start": "npm run build -- -w",
+    "prebuild": "npm run clean",
+    "build": "cross-env NODE_ENV=production babel src -d dist --ignore \"src/**/*.test.js\" --copy-files",
+    "clean": "del-cli dist",
+    "commitlint": "commitlint --from=master",
+    "lint:prettier": "prettier \"{**/*,*}.{js,json,md,yml,css}\" --list-different",
+    "lint:js": "eslint --cache src test",
+    "lint": "npm-run-all -l -p \"lint:**\"",
+    "prepare": "npm run build",
+    "release": "standard-version",
+    "security": "npm audit",
+    "test:only": "cross-env NODE_ENV=test jest",
+    "test:watch": "cross-env NODE_ENV=test jest --watch",
+    "test:coverage": "cross-env NODE_ENV=test jest --collectCoverageFrom=\"src/**/*.js\" --coverage",
+    "pretest": "npm run lint",
+    "test": "cross-env NODE_ENV=test npm run test:coverage",
+    "defaults": "webpack-defaults"
+  },
+  "files": [
+    "dist"
+  ],
+  "peerDependencies": {
+    "webpack": "^4.0.0"
+  },
+  "dependencies": {
+    "cacache": "^12.0.2",
+    "find-cache-dir": "^2.1.0",
+    "is-wsl": "^1.1.0",
+    "schema-utils": "^1.0.0",
+    "serialize-javascript": "^4.0.0",
+    "source-map": "^0.6.1",
+    "terser": "^4.1.2",
+    "webpack-sources": "^1.4.0",
+    "worker-farm": "^1.7.0"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.5.5",
+    "@babel/core": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "@commitlint/cli": "^8.1.0",
+    "@commitlint/config-conventional": "^8.1.0",
+    "@webpack-contrib/defaults": "^5.0.2",
+    "@webpack-contrib/eslint-config-webpack": "^3.0.0",
+    "babel-jest": "^24.8.0",
+    "commitlint-azure-pipelines-cli": "^1.0.2",
+    "cross-env": "^5.2.0",
+    "del": "^4.1.1",
+    "del-cli": "^1.1.0",
+    "eslint": "^6.1.0",
+    "eslint-config-prettier": "^6.0.0",
+    "eslint-plugin-import": "^2.18.2",
+    "husky": "^3.0.2",
+    "jest": "^24.8.0",
+    "jest-junit": "^7.0.0",
+    "lint-staged": "^9.2.1",
+    "memory-fs": "^0.4.1",
+    "npm-run-all": "^4.1.5",
+    "prettier": "^1.18.2",
+    "standard-version": "^7.0.0",
+    "uglify-js": "^3.6.0",
+    "webpack": "^4.38.0"
+  },
+  "keywords": [
+    "uglify",
+    "uglify-js",
+    "uglify-es",
+    "terser",
+    "webpack",
+    "webpack-plugin",
+    "minification",
+    "compress",
+    "compressor",
+    "min",
+    "minification",
+    "minifier",
+    "minify",
+    "optimize",
+    "optimizer"
+  ]
+}
diff --git a/node_modules/terser/CHANGELOG.md b/node_modules/terser/CHANGELOG.md
new file mode 100644
index 00000000..3296d63b
--- /dev/null
+++ b/node_modules/terser/CHANGELOG.md
@@ -0,0 +1,300 @@
+# Changelog
+
+## v4.8.1
+
+ - Security fix for RegExps that should not be evaluated (regexp DDOS)
+
+## v4.8.0
+
+ - Support for numeric separators (`million = 1_000_000`) was added.
+ - Assigning properties to a class is now assumed to be pure.
+ - Fixed bug where `yield` wasn't considered a valid property key in generators.
+
+## v4.7.0
+
+ - A bug was fixed where an arrow function would have the wrong size
+ - `arguments` object is now considered safe to retrieve properties from (useful for `length`, or `0`) even when `pure_getters` is not set.
+ - Fixed erroneous `const` declarations without value (which is invalid) in some corner cases when using `collapse_vars`.
+
+## v4.6.13
+
+ - Fixed issue where ES5 object properties were being turned into ES6 object properties due to more lax unicode rules.
+ - Fixed parsing of BigInt with lowercase `e` in them.
+
+## v4.6.12
+
+ - Fixed subtree comparison code, making it see that `[1,[2, 3]]` is different from `[1, 2, [3]]`
+ - Printing of unicode identifiers has been improved
+
+## v4.6.11
+
+ - Read unused classes' properties and method keys, to figure out if they use other variables.
+ - Prevent inlining into block scopes when there are name collisions
+ - Functions are no longer inlined into parameter defaults, because they live in their own special scope.
+ - When inlining identity functions, take into account the fact they may be used to drop `this` in function calls.
+ - Nullish coalescing operator (`x ?? y`), plus basic optimization for it.
+ - Template literals in binary expressions such as `+` have been further optimized
+
+## v4.6.10
+
+ - Do not use reduce_vars when classes are present
+
+## v4.6.9
+
+ - Check if block scopes actually exist in blocks
+
+## v4.6.8
+
+ - Take into account "executed bits" of classes like static properties or computed keys, when checking if a class evaluation might throw or have side effects.
+
+## v4.6.7
+
+ - Some new performance gains through a `AST_Node.size()` method which measures a node's source code length without printing it to a string first.
+ - An issue with setting `--comments` to `false` in the CLI has been fixed.
+ - Fixed some issues with inlining
+ - `unsafe_symbols` compress option was added, which turns `Symbol("name")` into just `Symbol()`
+ - Brought back compress performance improvement through the `AST_Node.equivalent_to(other)` method (which was reverted in v4.6.6).
+
+## v4.6.6
+
+(hotfix release)
+
+ - Reverted code to 4.6.4 to allow for more time to investigate an issue.
+
+## v4.6.5 (REVERTED)
+
+ - Improved compress performance through using a new method to see if two nodes are equivalent, instead of printing them to a string.
+
+## v4.6.4
+
+ - The `"some"` value in the `comments` output option now preserves `@lic` and other important comments when using `//`
+ - `</script>` is now better escaped in regex, and in comments, when using the `inline_script` output option
+ - Fixed an issue when transforming `new RegExp` into `/.../` when slashes are included in the source
+ - `AST_Node.prototype.constructor` now exists, allowing for easier debugging of crashes
+ - Multiple if statements with the same consequents are now collapsed
+ - Typescript typings improvements
+ - Optimizations while looking for surrogate pairs in strings
+
+## v4.6.3
+
+ - Annotations such as `/*#__NOINLINE__*/` and `/*#__PURE__*/` may now be preserved using the `preserve_annotations` output option
+ - A TypeScript definition update for the `keep_quoted` output option.
+
+## v4.6.2
+
+ - A bug where functions were inlined into other functions with scope conflicts has been fixed.
+ - `/*#__NOINLINE__*/` annotation fixed for more use cases where inlining happens.
+
+## v4.6.1
+
+ - Fixed an issue where a class is duplicated by reduce_vars when there's a recursive reference to the class.
+
+## v4.6.0
+
+ - Fixed issues with recursive class references.
+ - BigInt evaluation has been prevented, stopping Terser from evaluating BigInts like it would do regular numbers.
+ - Class property support has been added
+
+## v4.5.1
+
+(hotfix release)
+
+ - Fixed issue where `() => ({})[something]` was not parenthesised correctly.
+
+## v4.5.0
+
+ - Inlining has been improved
+ - An issue where keep_fnames combined with functions declared through variables was causing name shadowing has been fixed
+ - You can now set the ES version through their year
+ - The output option `keep_numbers` has been added, which prevents Terser from turning `1000` into `1e3` and such
+ - Internal small optimisations and refactors
+
+## v4.4.3
+
+ - Number and BigInt parsing has been fixed
+ - `/*#__INLINE__*/` annotation fixed for arrow functions with non-block bodies.
+ - Functional tests have been added, using [this repository](https://github.com/terser/terser-functional-tests).
+ - A memory leak, where the entire AST lives on after compression, has been plugged.
+
+## v4.4.2
+
+ - Fixed a problem with inlining identity functions
+
+## v4.4.1
+
+*note:* This introduced a feature, therefore it should have been a minor release.
+
+ - Fixed a crash when `unsafe` was enabled.
+ - An issue has been fixed where `let` statements might be collapsed out of their scope.
+ - Some error messages have been improved by adding quotes around variable names.
+
+## v4.4.0
+
+ - Added `/*#__INLINE__*/` and `/*#__NOINLINE__*/` annotations for calls. If a call has one of these, it either forces or forbids inlining.
+
+## v4.3.11
+
+ - Fixed a problem where `window` was considered safe to access, even though there are situations where it isn't (Node.js, workers...)
+ - Fixed an error where `++` and `--` were considered side-effect free
+ - `Number(x)` now needs both `unsafe` and and `unsafe_math` to be compressed into `+x` because `x` might be a `BigInt`
+ - `keep_fnames` now correctly supports regexes when the function is in a variable declaration
+
+## v4.3.10
+
+ - Fixed syntax error when repeated semicolons were encountered in classes
+ - Fixed invalid output caused by the creation of empty sequences internally
+ - Scopes are now updated when scopes are inlined into them
+
+## v4.3.9
+ - Fixed issue with mangle's `keep_fnames` option, introduced when adding code to keep variable names of anonymous functions
+
+## v4.3.8
+
+ - Typescript typings fix
+
+## v4.3.7
+
+ - Parsing of regex options in the CLI (which broke in v4.3.5) was fixed.
+ - typescript definition updates
+
+## v4.3.6
+
+(crash hotfix)
+
+## v4.3.5
+
+ - Fixed an issue with DOS line endings strings separated by `\` and a new line.
+ - Improved fix for the output size regression related to unused references within the extends section of a class.
+ - Variable names of anonymous functions (eg: `const x = () => { ... }` or `var func = function () {...}`) are now preserved when keep_fnames is true.
+ - Fixed performance degradation introduced for large payloads in v4.2.0
+
+## v4.3.4
+
+ - Fixed a regression where the output size was increased when unused classes were referred to in the extends clause of a class.
+ - Small typescript typings fixes.
+ - Comments with `@preserve`, `@license`, `@cc_on` as well as comments starting with `/*!` and `/**!` are now preserved by default.
+
+## v4.3.3
+
+ - Fixed a problem where parsing template strings would mix up octal notation and a slash followed by a zero representing a null character.
+ - Started accepting the name `async` in destructuring arguments with default value.
+ - Now Terser takes into account side effects inside class `extends` clauses.
+ - Added parens whenever there's a comment between a return statement and the returned value, to prevent issues with ASI.
+ - Stopped using raw RegExp objects, since the spec is going to continue to evolve. This ensures Terser is able to process new, unknown RegExp flags and features. This is a breaking change in the AST node AST_RegExp.
+
+## v4.3.2
+
+ - Typescript typing fix
+ - Ensure that functions can't be inlined, by reduce_vars, into places where they're accessing variables with the same name, but from somewhere else.
+
+## v4.3.1
+
+ - Fixed an issue from 4.3.0 where any block scope within a for loop erroneously had its parent set to the function scopee
+ - Fixed an issue where compressing IIFEs with argument expansions would result in some parameters becoming undefined
+ - addEventListener options argument's properties are now part of the DOM properties list.
+
+## v4.3.0
+
+ - Do not drop computed object keys with side effects
+ - Functions passed to other functions in calls are now wrapped in parentheses by default, which speeds up loading most modules
+ - Objects with computed properties are now less likely to be hoisted
+ - Speed and memory efficiency optimizations
+ - Fixed scoping issues with `try` and `switch`
+
+## v4.2.1
+
+ - Minor refactors
+ - Fixed a bug similar to #369 in collapse_vars
+ - Functions can no longer be inlined into a place where they're going to be compared with themselves.
+ - reduce_funcs option is now legacy, as using reduce_vars without reduce_funcs caused some weird corner cases. As a result, it is now implied in reduce_vars and can't be turned off without turning off reduce_vars.
+ - Bug which would cause a random stack overflow has now been fixed.
+
+## v4.2.0
+
+ - When the source map URL is `inline`, don't write it to a file.
+ - Fixed output parens when a lambda literal is the tag on a tagged template string.
+ - The `mangle.properties.undeclared` option was added. This enables the property mangler to mangle properties of variables which can be found in the name cache, but whose properties are not known to this Terser run.
+ - The v8 bug where the toString and source representations of regexes like `RegExp("\\\n")` includes an actual newline is now fixed.
+ - Now we're guaranteed to not have duplicate comments in the output
+ - Domprops updates
+
+## v4.1.4
+
+ - Fixed a crash when inlining a function into somewhere else when it has interdependent, non-removable variables.
+
+## v4.1.3
+
+ - Several issues with the `reduce_vars` option were fixed.
+ - Starting this version, we only have a dist/bundle.min.js
+
+## v4.1.2
+
+ - The hotfix was hotfixed
+
+## v4.1.1
+
+ - Fixed a bug where toplevel scopes were being mixed up with lambda scopes
+
+## v4.1.0
+
+ - Internal functions were replaced by `Object.assign`, `Array.prototype.some`, `Array.prototype.find` and `Array.prototype.every`.
+ - A serious issue where some ESM-native code was broken was fixed.
+ - Performance improvements were made.
+ - Support for BigInt was added.
+ - Inline efficiency was improved. Functions are now being inlined more proactively instead of being inlined only after another Compressor pass.
+
+## v4.0.2
+
+(Hotfix release. Reverts unmapped segments PR [#342](https://github.com/terser/terser/pull/342), which will be put back on Terser when the upstream issue is resolved)
+
+## v4.0.1
+
+ - Collisions between the arguments of inlined functions and names in the outer scope are now being avoided while inlining
+ - Unmapped segments are now preserved when compressing a file which has source maps
+ - Default values of functions are now correctly converted from Mozilla AST to Terser AST
+ - JSON ⊂ ECMAScript spec (if you don't know what this is you don't need to)
+ - Export AST_* classes to library users
+ - Fixed issue with `collapse_vars` when functions are created with the same name as a variable which already exists
+ - Added `MutationObserverInit` (Object with options for initialising a mutation observer) properties to the DOM property list
+ - Custom `Error` subclasses are now internally used instead of old-school Error inheritance hacks.
+ - Documentation fixes
+ - Performance optimizations
+
+## v4.0.0
+
+ - **breaking change**: The `variables` property of all scopes has become a standard JavaScript `Map` as opposed to the old bespoke `Dictionary` object.
+ - Typescript definitions were fixed
+ - `terser --help` was fixed
+ - The public interface was cleaned up
+ - Fixed optimisation of `Array` and `new Array`
+ - Added the `keep_quoted=strict` mode to mangle_props, which behaves more like Google Closure Compiler by mangling all unquoted property names, instead of reserving quoted property names automatically.
+ - Fixed parent functions' parameters being shadowed in some cases
+ - Allowed Terser to run in a situation where there are custom functions attached to Object.prototype
+ - And more bug fixes, optimisations and internal changes
+
+## v3.17.0
+
+ - More DOM properties added to --mangle-properties's DOM property list
+ - Closed issue where if 2 functions had the same argument name, Terser would not inline them together properly
+ - Fixed issue with `hasOwnProperty.call`
+ - You can now list files to minify in a Terser config file
+ - Started replacing `new Array(<number>)` with an array literal
+ - Started using ES6 capabilities like `Set` and the `includes` method for strings and arrays
+
+## v3.16.1
+
+ - Fixed issue where Terser being imported with `import` would cause it not to work due to the `__esModule` property. (PR #254 was submitted, which was nice, but since it wasn't a pure commonJS approach I decided to go with my own solution)
+
+## v3.16.0
+
+ - No longer leaves names like Array or Object or window as a SimpleStatement (statement which is just a single expression).
+ - Add support for sections sourcemaps (IndexedSourceMapConsumer)
+ - Drops node.js v4 and starts using commonJS
+ - Is now built with rollup
+
+## v3.15.0
+
+ - Inlined spread syntax (`[...[1, 2, 3], 4, 5] => [1, 2, 3, 4, 5]`) in arrays and objects.
+ - Fixed typo in compressor warning
+ - Fixed inline source map input bug
+ - Fixed parsing of template literals with unnecessary escapes (Like `\\a`)
diff --git a/node_modules/terser/LICENSE b/node_modules/terser/LICENSE
new file mode 100644
index 00000000..4fdaa855
--- /dev/null
+++ b/node_modules/terser/LICENSE
@@ -0,0 +1,29 @@
+UglifyJS is released under the BSD license:
+
+Copyright 2012-2018 (c) Mihai Bazon <mihai.bazon@gmail.com>
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above
+      copyright notice, this list of conditions and the following
+      disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials
+      provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
diff --git a/node_modules/terser/PATRONS.md b/node_modules/terser/PATRONS.md
new file mode 100644
index 00000000..b2c8949e
--- /dev/null
+++ b/node_modules/terser/PATRONS.md
@@ -0,0 +1,15 @@
+# Our patrons
+
+These are the first-tier patrons from [Patreon](https://www.patreon.com/fabiosantoscode). My appreciation goes to everyone on this list for supporting the project!
+
+ * 38elements
+ * Alan Orozco
+ * Aria Buckles
+ * CKEditor
+ * Mariusz Nowak
+ * Nakshatra Mukhopadhyay
+ * Philippe Léger
+ * Piotrek Koszuliński
+ * Serhiy Shyyko
+ * Viktor Hubert
+ * 龙腾道
diff --git a/node_modules/terser/README.md b/node_modules/terser/README.md
new file mode 100644
index 00000000..a69dfa43
--- /dev/null
+++ b/node_modules/terser/README.md
@@ -0,0 +1,1390 @@
+<h1><img src="https://terser.org/img/terser-banner-logo.png" alt="Terser" width="400"></h1>
+
+  [![NPM Version][npm-image]][npm-url]
+  [![NPM Downloads][downloads-image]][downloads-url]
+  [![Travis Build][travis-image]][travis-url]
+  [![Opencollective financial contributors][opencollective-contributors]][opencollective-url]
+
+A JavaScript parser and mangler/compressor toolkit for ES6+.
+
+*note*: You can support this project on patreon: <a target="_blank" rel="nofollow" href="https://www.patreon.com/fabiosantoscode"><img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" alt="patron" width="100px" height="auto"></a>. Check out [PATRONS.md](https://github.com/terser/terser/blob/master/PATRONS.md) for our first-tier patrons.
+
+Terser recommends you use RollupJS to bundle your modules, as that produces smaller code overall.
+
+*Beautification* has been undocumented and is *being removed* from terser, we recommend you use [prettier](https://npmjs.com/package/prettier).
+
+Find the changelog in [CHANGELOG.md](https://github.com/terser/terser/blob/master/CHANGELOG.md)
+
+
+
+[npm-image]: https://img.shields.io/npm/v/terser.svg
+[npm-url]: https://npmjs.org/package/terser
+[downloads-image]: https://img.shields.io/npm/dm/terser.svg
+[downloads-url]: https://npmjs.org/package/terser
+[travis-image]: https://img.shields.io/travis/terser/terser/master.svg
+[travis-url]: https://travis-ci.org/terser/terser
+[opencollective-contributors]: https://opencollective.com/terser/tiers/badge.svg
+[opencollective-url]: https://opencollective.com/terser
+
+Why choose terser?
+------------------
+
+`uglify-es` is [no longer maintained](https://github.com/mishoo/UglifyJS2/issues/3156#issuecomment-392943058) and `uglify-js` does not support ES6+.
+
+**`terser`** is a fork of `uglify-es` that mostly retains API and CLI compatibility
+with `uglify-es` and `uglify-js@3`.
+
+Install
+-------
+
+First make sure you have installed the latest version of [node.js](http://nodejs.org/)
+(You may need to restart your computer after this step).
+
+From NPM for use as a command line app:
+
+    npm install terser -g
+
+From NPM for programmatic use:
+
+    npm install terser
+
+# Command line usage
+
+    terser [input files] [options]
+
+Terser can take multiple input files.  It's recommended that you pass the
+input files first, then pass the options.  Terser will parse input files
+in sequence and apply any compression options.  The files are parsed in the
+same global scope, that is, a reference from a file to some
+variable/function declared in another file will be matched properly.
+
+If no input file is specified, Terser will read from STDIN.
+
+If you wish to pass your options before the input files, separate the two with
+a double dash to prevent input files being used as option arguments:
+
+    terser --compress --mangle -- input.js
+
+### Command line options
+
+```
+    -h, --help                  Print usage information.
+                                `--help options` for details on available options.
+    -V, --version               Print version number.
+    -p, --parse <options>       Specify parser options:
+                                `acorn`  Use Acorn for parsing.
+                                `bare_returns`  Allow return outside of functions.
+                                                Useful when minifying CommonJS
+                                                modules and Userscripts that may
+                                                be anonymous function wrapped (IIFE)
+                                                by the .user.js engine `caller`.
+                                `expression`  Parse a single expression, rather than
+                                              a program (for parsing JSON).
+                                `spidermonkey`  Assume input files are SpiderMonkey
+                                                AST format (as JSON).
+    -c, --compress [options]    Enable compressor/specify compressor options:
+                                `pure_funcs`  List of functions that can be safely
+                                              removed when their return values are
+                                              not used.
+    -m, --mangle [options]      Mangle names/specify mangler options:
+                                `reserved`  List of names that should not be mangled.
+    --mangle-props [options]    Mangle properties/specify mangler options:
+                                `builtins`  Mangle property names that overlaps
+                                            with standard JavaScript globals and DOM
+                                            API props.
+                                `debug`  Add debug prefix and suffix.
+                                `keep_quoted`  Only mangle unquoted properties, quoted
+                                               properties are automatically reserved.
+                                               `strict` disables quoted properties
+                                               being automatically reserved.
+                                `regex`  Only mangle matched property names.
+                                `reserved`  List of names that should not be mangled.
+    -b, --beautify [options]     Specify output options:
+                                `preamble`  Preamble to prepend to the output. You
+                                            can use this to insert a comment, for
+                                            example for licensing information.
+                                            This will not be parsed, but the source
+                                            map will adjust for its presence.
+                                `quote_style`  Quote style:
+                                               0 - auto
+                                               1 - single
+                                               2 - double
+                                               3 - original
+                                `wrap_iife`  Wrap IIFEs in parenthesis. Note: you may
+                                             want to disable `negate_iife` under
+                                             compressor options.
+                                `wrap_func_args`  Wrap function arguments in parenthesis.
+    -o, --output <file>         Output file path (default STDOUT). Specify `ast` or
+                                `spidermonkey` to write Terser or SpiderMonkey AST
+                                as JSON to STDOUT respectively.
+    --comments [filter]         Preserve copyright comments in the output. By
+                                default this works like Google Closure, keeping
+                                JSDoc-style comments that contain "@license" or
+                                "@preserve". You can optionally pass one of the
+                                following arguments to this flag:
+                                - "all" to keep all comments
+                                - `false` to omit comments in the output
+                                - a valid JS RegExp like `/foo/` or `/^!/` to
+                                keep only matching comments.
+                                Note that currently not *all* comments can be
+                                kept when compression is on, because of dead
+                                code removal or cascading statements into
+                                sequences.
+    --config-file <file>        Read `minify()` options from JSON file.
+    -d, --define <expr>[=value] Global definitions.
+    --ecma <version>            Specify ECMAScript release: 5, 2015, 2016, etc.
+    -e, --enclose [arg[:value]] Embed output in a big function with configurable
+                                arguments and values.
+    --ie8                       Support non-standard Internet Explorer 8.
+                                Equivalent to setting `ie8: true` in `minify()`
+                                for `compress`, `mangle` and `output` options.
+                                By default Terser will not try to be IE-proof.
+    --keep-classnames           Do not mangle/drop class names.
+    --keep-fnames               Do not mangle/drop function names.  Useful for
+                                code relying on Function.prototype.name.
+    --module                    Input is an ES6 module. If `compress` or `mangle` is
+                                enabled then the `toplevel` option will be enabled.
+    --name-cache <file>         File to hold mangled name mappings.
+    --safari10                  Support non-standard Safari 10/11.
+                                Equivalent to setting `safari10: true` in `minify()`
+                                for `mangle` and `output` options.
+                                By default `terser` will not work around
+                                Safari 10/11 bugs.
+    --source-map [options]      Enable source map/specify source map options:
+                                `base`  Path to compute relative paths from input files.
+                                `content`  Input source map, useful if you're compressing
+                                           JS that was generated from some other original
+                                           code. Specify "inline" if the source map is
+                                           included within the sources.
+                                `filename`  Name and/or location of the output source.
+                                `includeSources`  Pass this flag if you want to include
+                                                  the content of source files in the
+                                                  source map as sourcesContent property.
+                                `root`  Path to the original source to be included in
+                                        the source map.
+                                `url`  If specified, path to the source map to append in
+                                       `//# sourceMappingURL`.
+    --timings                   Display operations run time on STDERR.
+    --toplevel                  Compress and/or mangle variables in top level scope.
+    --verbose                   Print diagnostic messages.
+    --warn                      Print warning messages.
+    --wrap <name>               Embed everything in a big function, making the
+                                “exports” and “global” variables available. You
+                                need to pass an argument to this option to
+                                specify the name that your module will take
+                                when included in, say, a browser.
+```
+
+Specify `--output` (`-o`) to declare the output file.  Otherwise the output
+goes to STDOUT.
+
+## CLI source map options
+
+Terser can generate a source map file, which is highly useful for
+debugging your compressed JavaScript.  To get a source map, pass
+`--source-map --output output.js` (source map will be written out to
+`output.js.map`).
+
+Additional options:
+
+- `--source-map "filename='<NAME>'"` to specify the name of the source map.
+
+- `--source-map "root='<URL>'"` to pass the URL where the original files can be found.
+
+- `--source-map "url='<URL>'"` to specify the URL where the source map can be found.
+  Otherwise Terser assumes HTTP `X-SourceMap` is being used and will omit the
+  `//# sourceMappingURL=` directive.
+
+For example:
+
+    terser js/file1.js js/file2.js \
+             -o foo.min.js -c -m \
+             --source-map "root='http://foo.com/src',url='foo.min.js.map'"
+
+The above will compress and mangle `file1.js` and `file2.js`, will drop the
+output in `foo.min.js` and the source map in `foo.min.js.map`.  The source
+mapping will refer to `http://foo.com/src/js/file1.js` and
+`http://foo.com/src/js/file2.js` (in fact it will list `http://foo.com/src`
+as the source map root, and the original files as `js/file1.js` and
+`js/file2.js`).
+
+### Composed source map
+
+When you're compressing JS code that was output by a compiler such as
+CoffeeScript, mapping to the JS code won't be too helpful.  Instead, you'd
+like to map back to the original code (i.e. CoffeeScript).  Terser has an
+option to take an input source map.  Assuming you have a mapping from
+CoffeeScript → compiled JS, Terser can generate a map from CoffeeScript →
+compressed JS by mapping every token in the compiled JS to its original
+location.
+
+To use this feature pass `--source-map "content='/path/to/input/source.map'"`
+or `--source-map "content=inline"` if the source map is included inline with
+the sources.
+
+## CLI compress options
+
+You need to pass `--compress` (`-c`) to enable the compressor.  Optionally
+you can pass a comma-separated list of [compress options](#compress-options).
+
+Options are in the form `foo=bar`, or just `foo` (the latter implies
+a boolean option that you want to set `true`; it's effectively a
+shortcut for `foo=true`).
+
+Example:
+
+    terser file.js -c toplevel,sequences=false
+
+## CLI mangle options
+
+To enable the mangler you need to pass `--mangle` (`-m`).  The following
+(comma-separated) options are supported:
+
+- `toplevel` (default `false`) -- mangle names declared in the top level scope.
+
+- `eval` (default `false`) -- mangle names visible in scopes where `eval` or `with` are used.
+
+When mangling is enabled but you want to prevent certain names from being
+mangled, you can declare those names with `--mangle reserved` — pass a
+comma-separated list of names.  For example:
+
+    terser ... -m reserved=['$','require','exports']
+
+to prevent the `require`, `exports` and `$` names from being changed.
+
+### CLI mangling property names (`--mangle-props`)
+
+**Note:** THIS **WILL** BREAK YOUR CODE. A good rule of thumb is not to use this unless you know exactly what you're doing and how this works and read this section until the end.
+
+Mangling property names is a separate step, different from variable name mangling.  Pass
+`--mangle-props` to enable it. The least dangerous
+way to use this is to use the `regex` option like so:
+
+```
+terser example.js -c -m --mangle-props regex=/_$/
+```
+
+This will mangle all properties that end with an
+underscore. So you can use it to mangle internal methods.
+
+By default, it will mangle all properties in the
+input code with the exception of built in DOM properties and properties
+in core JavaScript classes, which is what will break your code if you don't:
+
+1. Control all the code you're mangling
+2. Avoid using a module bundler, as they usually will call Terser on each file individually, making it impossible to pass mangled objects between modules.
+3. Avoid calling functions like `defineProperty` or `hasOwnProperty`, because they refer to object properties using strings and will break your code if you don't know what you are doing.
+
+An example:
+
+```javascript
+// example.js
+var x = {
+    baz_: 0,
+    foo_: 1,
+    calc: function() {
+        return this.foo_ + this.baz_;
+    }
+};
+x.bar_ = 2;
+x["baz_"] = 3;
+console.log(x.calc());
+```
+Mangle all properties (except for JavaScript `builtins`) (**very** unsafe):
+```bash
+$ terser example.js -c passes=2 -m --mangle-props
+```
+```javascript
+var x={o:3,t:1,i:function(){return this.t+this.o},s:2};console.log(x.i());
+```
+Mangle all properties except for `reserved` properties (still very unsafe):
+```bash
+$ terser example.js -c passes=2 -m --mangle-props reserved=[foo_,bar_]
+```
+```javascript
+var x={o:3,foo_:1,t:function(){return this.foo_+this.o},bar_:2};console.log(x.t());
+```
+Mangle all properties matching a `regex` (not as unsafe but still unsafe):
+```bash
+$ terser example.js -c passes=2 -m --mangle-props regex=/_$/
+```
+```javascript
+var x={o:3,t:1,calc:function(){return this.t+this.o},i:2};console.log(x.calc());
+```
+
+Combining mangle properties options:
+```bash
+$ terser example.js -c passes=2 -m --mangle-props regex=/_$/,reserved=[bar_]
+```
+```javascript
+var x={o:3,t:1,calc:function(){return this.t+this.o},bar_:2};console.log(x.calc());
+```
+
+In order for this to be of any use, we avoid mangling standard JS names and DOM
+API properties by default (`--mangle-props builtins` to override).
+
+A regular expression can be used to define which property names should be
+mangled.  For example, `--mangle-props regex=/^_/` will only mangle property
+names that start with an underscore.
+
+When you compress multiple files using this option, in order for them to
+work together in the end we need to ensure somehow that one property gets
+mangled to the same name in all of them.  For this, pass `--name-cache filename.json`
+and Terser will maintain these mappings in a file which can then be reused.
+It should be initially empty.  Example:
+
+```bash
+$ rm -f /tmp/cache.json  # start fresh
+$ terser file1.js file2.js --mangle-props --name-cache /tmp/cache.json -o part1.js
+$ terser file3.js file4.js --mangle-props --name-cache /tmp/cache.json -o part2.js
+```
+
+Now, `part1.js` and `part2.js` will be consistent with each other in terms
+of mangled property names.
+
+Using the name cache is not necessary if you compress all your files in a
+single call to Terser.
+
+### Mangling unquoted names (`--mangle-props keep_quoted`)
+
+Using quoted property name (`o["foo"]`) reserves the property name (`foo`)
+so that it is not mangled throughout the entire script even when used in an
+unquoted style (`o.foo`). Example:
+
+```javascript
+// stuff.js
+var o = {
+    "foo": 1,
+    bar: 3
+};
+o.foo += o.bar;
+console.log(o.foo);
+```
+```bash
+$ terser stuff.js --mangle-props keep_quoted -c -m
+```
+```javascript
+var o={foo:1,o:3};o.foo+=o.o,console.log(o.foo);
+```
+
+### Debugging property name mangling
+
+You can also pass `--mangle-props debug` in order to mangle property names
+without completely obscuring them. For example the property `o.foo`
+would mangle to `o._$foo$_` with this option. This allows property mangling
+of a large codebase while still being able to debug the code and identify
+where mangling is breaking things.
+
+```bash
+$ terser stuff.js --mangle-props debug -c -m
+```
+```javascript
+var o={_$foo$_:1,_$bar$_:3};o._$foo$_+=o._$bar$_,console.log(o._$foo$_);
+```
+
+You can also pass a custom suffix using `--mangle-props debug=XYZ`. This would then
+mangle `o.foo` to `o._$foo$XYZ_`. You can change this each time you compile a
+script to identify how a property got mangled. One technique is to pass a
+random number on every compile to simulate mangling changing with different
+inputs (e.g. as you update the input script with new properties), and to help
+identify mistakes like writing mangled keys to storage.
+
+
+# API Reference
+
+Assuming installation via NPM, you can load Terser in your application
+like this:
+```javascript
+var Terser = require("terser");
+```
+Browser loading is also supported:
+```html
+<script src="node_modules/source-map/dist/source-map.min.js"></script>
+<script src="dist/bundle.min.js"></script>
+```
+
+There is a single high level function, **`minify(code, options)`**,
+which will perform all minification [phases](#minify-options) in a configurable
+manner. By default `minify()` will enable the options [`compress`](#compress-options)
+and [`mangle`](#mangle-options). Example:
+```javascript
+var code = "function add(first, second) { return first + second; }";
+var result = Terser.minify(code);
+console.log(result.error); // runtime error, or `undefined` if no error
+console.log(result.code);  // minified output: function add(n,d){return n+d}
+```
+
+You can `minify` more than one JavaScript file at a time by using an object
+for the first argument where the keys are file names and the values are source
+code:
+```javascript
+var code = {
+    "file1.js": "function add(first, second) { return first + second; }",
+    "file2.js": "console.log(add(1 + 2, 3 + 4));"
+};
+var result = Terser.minify(code);
+console.log(result.code);
+// function add(d,n){return d+n}console.log(add(3,7));
+```
+
+The `toplevel` option:
+```javascript
+var code = {
+    "file1.js": "function add(first, second) { return first + second; }",
+    "file2.js": "console.log(add(1 + 2, 3 + 4));"
+};
+var options = { toplevel: true };
+var result = Terser.minify(code, options);
+console.log(result.code);
+// console.log(3+7);
+```
+
+The `nameCache` option:
+```javascript
+var options = {
+    mangle: {
+        toplevel: true,
+    },
+    nameCache: {}
+};
+var result1 = Terser.minify({
+    "file1.js": "function add(first, second) { return first + second; }"
+}, options);
+var result2 = Terser.minify({
+    "file2.js": "console.log(add(1 + 2, 3 + 4));"
+}, options);
+console.log(result1.code);
+// function n(n,r){return n+r}
+console.log(result2.code);
+// console.log(n(3,7));
+```
+
+You may persist the name cache to the file system in the following way:
+```javascript
+var cacheFileName = "/tmp/cache.json";
+var options = {
+    mangle: {
+        properties: true,
+    },
+    nameCache: JSON.parse(fs.readFileSync(cacheFileName, "utf8"))
+};
+fs.writeFileSync("part1.js", Terser.minify({
+    "file1.js": fs.readFileSync("file1.js", "utf8"),
+    "file2.js": fs.readFileSync("file2.js", "utf8")
+}, options).code, "utf8");
+fs.writeFileSync("part2.js", Terser.minify({
+    "file3.js": fs.readFileSync("file3.js", "utf8"),
+    "file4.js": fs.readFileSync("file4.js", "utf8")
+}, options).code, "utf8");
+fs.writeFileSync(cacheFileName, JSON.stringify(options.nameCache), "utf8");
+```
+
+An example of a combination of `minify()` options:
+```javascript
+var code = {
+    "file1.js": "function add(first, second) { return first + second; }",
+    "file2.js": "console.log(add(1 + 2, 3 + 4));"
+};
+var options = {
+    toplevel: true,
+    compress: {
+        global_defs: {
+            "@console.log": "alert"
+        },
+        passes: 2
+    },
+    output: {
+        beautify: false,
+        preamble: "/* minified */"
+    }
+};
+var result = Terser.minify(code, options);
+console.log(result.code);
+// /* minified */
+// alert(10);"
+```
+
+To produce warnings:
+```javascript
+var code = "function f(){ var u; return 2 + 3; }";
+var options = { warnings: true };
+var result = Terser.minify(code, options);
+console.log(result.error);    // runtime error, `undefined` in this case
+console.log(result.warnings); // [ 'Dropping unused variable u [0:1,18]' ]
+console.log(result.code);     // function f(){return 5}
+```
+
+An error example:
+```javascript
+var result = Terser.minify({"foo.js" : "if (0) else console.log(1);"});
+console.log(JSON.stringify(result.error));
+// {"message":"Unexpected token: keyword (else)","filename":"foo.js","line":1,"col":7,"pos":7}
+```
+Note: unlike `uglify-js@2.x`, the Terser API does not throw errors.
+To achieve a similar effect one could do the following:
+```javascript
+var result = Terser.minify(code, options);
+if (result.error) throw result.error;
+```
+
+## Minify options
+
+- `ecma` (default `undefined`) - pass `5`, `2015`, `2016`, etc to override `parse`,
+  `compress` and `output`'s `ecma` options.
+
+- `warnings` (default `false`) — pass `true` to return compressor warnings
+  in `result.warnings`. Use the value `"verbose"` for more detailed warnings.
+
+- `parse` (default `{}`) — pass an object if you wish to specify some
+  additional [parse options](#parse-options).
+
+- `compress` (default `{}`) — pass `false` to skip compressing entirely.
+  Pass an object to specify custom [compress options](#compress-options).
+
+- `mangle` (default `true`) — pass `false` to skip mangling names, or pass
+  an object to specify [mangle options](#mangle-options) (see below).
+
+  - `mangle.properties` (default `false`) — a subcategory of the mangle option.
+    Pass an object to specify custom [mangle property options](#mangle-properties-options).
+
+- `module` (default `false`) — Use when minifying an ES6 module. "use strict"
+  is implied and names can be mangled on the top scope. If `compress` or
+  `mangle` is enabled then the `toplevel` option will be enabled.
+
+- `output` (default `null`) — pass an object if you wish to specify
+  additional [output options](#output-options).  The defaults are optimized
+  for best compression.
+
+- `sourceMap` (default `false`) - pass an object if you wish to specify
+  [source map options](#source-map-options).
+
+- `toplevel` (default `false`) - set to `true` if you wish to enable top level
+  variable and function name mangling and to drop unused variables and functions.
+
+- `nameCache` (default `null`) - pass an empty object `{}` or a previously
+  used `nameCache` object if you wish to cache mangled variable and
+  property names across multiple invocations of `minify()`. Note: this is
+  a read/write property. `minify()` will read the name cache state of this
+  object and update it during minification so that it may be
+  reused or externally persisted by the user.
+
+- `ie8` (default `false`) - set to `true` to support IE8.
+
+- `keep_classnames` (default: `undefined`) - pass `true` to prevent discarding or mangling
+  of class names. Pass a regular expression to only keep class names matching that regex.
+
+- `keep_fnames` (default: `false`) - pass `true` to prevent discarding or mangling
+  of function names. Pass a regular expression to only keep class names matching that regex.
+  Useful for code relying on `Function.prototype.name`. If the top level minify option
+  `keep_classnames` is `undefined` it will be overridden with the value of the top level
+  minify option `keep_fnames`.
+
+- `safari10` (default: `false`) - pass `true` to work around Safari 10/11 bugs in
+  loop scoping and `await`. See `safari10` options in [`mangle`](#mangle-options)
+  and [`output`](#output-options) for details.
+
+## Minify options structure
+
+```javascript
+{
+    parse: {
+        // parse options
+    },
+    compress: {
+        // compress options
+    },
+    mangle: {
+        // mangle options
+
+        properties: {
+            // mangle property options
+        }
+    },
+    output: {
+        // output options
+    },
+    sourceMap: {
+        // source map options
+    },
+    ecma: 5, // specify one of: 5, 2015, 2016, etc.
+    keep_classnames: false,
+    keep_fnames: false,
+    ie8: false,
+    module: false,
+    nameCache: null, // or specify a name cache object
+    safari10: false,
+    toplevel: false,
+    warnings: false,
+}
+```
+
+### Source map options
+
+To generate a source map:
+```javascript
+var result = Terser.minify({"file1.js": "var a = function() {};"}, {
+    sourceMap: {
+        filename: "out.js",
+        url: "out.js.map"
+    }
+});
+console.log(result.code); // minified output
+console.log(result.map);  // source map
+```
+
+Note that the source map is not saved in a file, it's just returned in
+`result.map`.  The value passed for `sourceMap.url` is only used to set
+`//# sourceMappingURL=out.js.map` in `result.code`. The value of
+`filename` is only used to set `file` attribute (see [the spec][sm-spec])
+in source map file.
+
+You can set option `sourceMap.url` to be `"inline"` and source map will
+be appended to code.
+
+You can also specify sourceRoot property to be included in source map:
+```javascript
+var result = Terser.minify({"file1.js": "var a = function() {};"}, {
+    sourceMap: {
+        root: "http://example.com/src",
+        url: "out.js.map"
+    }
+});
+```
+
+If you're compressing compiled JavaScript and have a source map for it, you
+can use `sourceMap.content`:
+```javascript
+var result = Terser.minify({"compiled.js": "compiled code"}, {
+    sourceMap: {
+        content: "content from compiled.js.map",
+        url: "minified.js.map"
+    }
+});
+// same as before, it returns `code` and `map`
+```
+
+If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.url`.
+
+If you happen to need the source map as a raw object, set `sourceMap.asObject` to `true`.
+
+## Parse options
+
+- `bare_returns` (default `false`) -- support top level `return` statements
+
+- `ecma` (default: `2017`) -- specify one of `5`, `2015`, `2016` or `2017`. Note: this setting
+  is not presently enforced except for ES8 optional trailing commas in function
+  parameter lists and calls with `ecma` `2017`.
+
+- `html5_comments` (default `true`)
+
+- `shebang` (default `true`) -- support `#!command` as the first line
+
+## Compress options
+
+- `defaults` (default: `true`) -- Pass `false` to disable most default
+  enabled `compress` transforms. Useful when you only want to enable a few
+  `compress` options while disabling the rest.
+
+- `arrows` (default: `true`) -- Class and object literal methods are converted
+  will also be converted to arrow expressions if the resultant code is shorter:
+  `m(){return x}` becomes `m:()=>x`. To do this to regular ES5 functions which
+  don't use `this` or `arguments`, see `unsafe_arrows`.
+
+- `arguments` (default: `false`) -- replace `arguments[index]` with function
+  parameter name whenever possible.
+
+- `booleans` (default: `true`) -- various optimizations for boolean context,
+  for example `!!a ? b : c → a ? b : c`
+
+- `booleans_as_integers` (default: `false`) -- Turn booleans into 0 and 1, also
+  makes comparisons with booleans use `==` and `!=` instead of `===` and `!==`.
+
+- `collapse_vars` (default: `true`) -- Collapse single-use non-constant variables,
+  side effects permitting.
+
+- `comparisons` (default: `true`) -- apply certain optimizations to binary nodes,
+  e.g. `!(a <= b) → a > b` (only when `unsafe_comps`), attempts to negate binary
+  nodes, e.g. `a = !b && !c && !d && !e → a=!(b||c||d||e)` etc.
+
+- `computed_props` (default: `true`) -- Transforms constant computed properties
+  into regular ones: `{["computed"]: 1}` is converted to `{computed: 1}`.
+
+- `conditionals` (default: `true`) -- apply optimizations for `if`-s and conditional
+  expressions
+
+- `dead_code` (default: `true`) -- remove unreachable code
+
+- `directives` (default: `true`) -- remove redundant or non-standard directives
+
+- `drop_console` (default: `false`) -- Pass `true` to discard calls to
+  `console.*` functions. If you wish to drop a specific function call
+  such as `console.info` and/or retain side effects from function arguments
+  after dropping the function call then use `pure_funcs` instead.
+
+- `drop_debugger` (default: `true`) -- remove `debugger;` statements
+
+- `ecma` (default: `5`) -- Pass `2015` or greater to enable `compress` options that
+  will transform ES5 code into smaller ES6+ equivalent forms.
+
+- `evaluate` (default: `true`) -- attempt to evaluate constant expressions
+
+- `expression` (default: `false`) -- Pass `true` to preserve completion values
+  from terminal statements without `return`, e.g. in bookmarklets.
+
+- `global_defs` (default: `{}`) -- see [conditional compilation](#conditional-compilation)
+
+- `hoist_funs` (default: `false`) -- hoist function declarations
+
+- `hoist_props` (default: `true`) -- hoist properties from constant object and
+  array literals into regular variables subject to a set of constraints. For example:
+  `var o={p:1, q:2}; f(o.p, o.q);` is converted to `f(1, 2);`. Note: `hoist_props`
+  works best with `mangle` enabled, the `compress` option `passes` set to `2` or higher,
+  and the `compress` option `toplevel` enabled.
+
+- `hoist_vars` (default: `false`) -- hoist `var` declarations (this is `false`
+  by default because it seems to increase the size of the output in general)
+
+- `if_return` (default: `true`) -- optimizations for if/return and if/continue
+
+- `inline` (default: `true`) -- inline calls to function with simple/`return` statement:
+  - `false` -- same as `0`
+  - `0` -- disabled inlining
+  - `1` -- inline simple functions
+  - `2` -- inline functions with arguments
+  - `3` -- inline functions with arguments and variables
+  - `true` -- same as `3`
+
+- `join_vars` (default: `true`) -- join consecutive `var` statements
+
+- `keep_classnames` (default: `false`) -- Pass `true` to prevent the compressor from
+  discarding class names. Pass a regular expression to only keep class names matching
+  that regex. See also: the `keep_classnames` [mangle option](#mangle).
+
+- `keep_fargs` (default: `true`) -- Prevents the compressor from discarding unused
+  function arguments.  You need this for code which relies on `Function.length`.
+
+- `keep_fnames` (default: `false`) -- Pass `true` to prevent the
+  compressor from discarding function names. Pass a regular expression to only keep
+  function names matching that regex. Useful for code relying on `Function.prototype.name`.
+  See also: the `keep_fnames` [mangle option](#mangle).
+
+- `keep_infinity` (default: `false`) -- Pass `true` to prevent `Infinity` from
+  being compressed into `1/0`, which may cause performance issues on Chrome.
+
+- `loops` (default: `true`) -- optimizations for `do`, `while` and `for` loops
+  when we can statically determine the condition.
+
+- `module` (default `false`) -- Pass `true` when compressing an ES6 module. Strict
+  mode is implied and the `toplevel` option as well.
+
+- `negate_iife` (default: `true`) -- negate "Immediately-Called Function Expressions"
+  where the return value is discarded, to avoid the parens that the
+  code generator would insert.
+
+- `passes` (default: `1`) -- The maximum number of times to run compress.
+  In some cases more than one pass leads to further compressed code.  Keep in
+  mind more passes will take more time.
+
+- `properties` (default: `true`) -- rewrite property access using the dot notation, for
+  example `foo["bar"] → foo.bar`
+
+- `pure_funcs` (default: `null`) -- You can pass an array of names and
+  Terser will assume that those functions do not produce side
+  effects.  DANGER: will not check if the name is redefined in scope.
+  An example case here, for instance `var q = Math.floor(a/b)`.  If
+  variable `q` is not used elsewhere, Terser will drop it, but will
+  still keep the `Math.floor(a/b)`, not knowing what it does.  You can
+  pass `pure_funcs: [ 'Math.floor' ]` to let it know that this
+  function won't produce any side effect, in which case the whole
+  statement would get discarded.  The current implementation adds some
+  overhead (compression will be slower).
+
+- `pure_getters` (default: `"strict"`) -- If you pass `true` for
+  this, Terser will assume that object property access
+  (e.g. `foo.bar` or `foo["bar"]`) doesn't have any side effects.
+  Specify `"strict"` to treat `foo.bar` as side-effect-free only when
+  `foo` is certain to not throw, i.e. not `null` or `undefined`.
+
+- `reduce_funcs` (legacy option, safely ignored for backwards compatibility).
+
+- `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and
+  used as constant values.
+
+- `sequences` (default: `true`) -- join consecutive simple statements using the
+  comma operator.  May be set to a positive integer to specify the maximum number
+  of consecutive comma sequences that will be generated. If this option is set to
+  `true` then the default `sequences` limit is `200`. Set option to `false` or `0`
+  to disable. The smallest `sequences` length is `2`. A `sequences` value of `1`
+  is grandfathered to be equivalent to `true` and as such means `200`. On rare
+  occasions the default sequences limit leads to very slow compress times in which
+  case a value of `20` or less is recommended.
+
+- `side_effects` (default: `true`) -- Pass `false` to disable potentially dropping
+  function calls marked as "pure".  A function call is marked as "pure" if a comment
+  annotation `/*@__PURE__*/` or `/*#__PURE__*/` immediately precedes the call. For
+  example: `/*@__PURE__*/foo();`
+
+- `switches` (default: `true`) -- de-duplicate and remove unreachable `switch` branches
+
+- `toplevel` (default: `false`) -- drop unreferenced functions (`"funcs"`) and/or
+  variables (`"vars"`) in the top level scope (`false` by default, `true` to drop
+  both unreferenced functions and variables)
+
+- `top_retain` (default: `null`) -- prevent specific toplevel functions and
+  variables from `unused` removal (can be array, comma-separated, RegExp or
+  function. Implies `toplevel`)
+
+- `typeofs` (default: `true`) -- Transforms `typeof foo == "undefined"` into
+  `foo === void 0`.  Note: recommend to set this value to `false` for IE10 and
+  earlier versions due to known issues.
+
+- `unsafe` (default: `false`) -- apply "unsafe" transformations
+  ([details](#the-unsafe-compress-option)).
+
+- `unsafe_arrows` (default: `false`) -- Convert ES5 style anonymous function
+  expressions to arrow functions if the function body does not reference `this`.
+  Note: it is not always safe to perform this conversion if code relies on the
+  the function having a `prototype`, which arrow functions lack.
+  This transform requires that the `ecma` compress option is set to `2015` or greater.
+
+- `unsafe_comps` (default: `false`) -- Reverse `<` and `<=` to `>` and `>=` to
+  allow improved compression. This might be unsafe when an at least one of two
+  operands is an object with computed values due the use of methods like `get`,
+  or `valueOf`. This could cause change in execution order after operands in the
+  comparison are switching. Compression only works if both `comparisons` and
+  `unsafe_comps` are both set to true.
+
+- `unsafe_Function` (default: `false`) -- compress and mangle `Function(args, code)`
+  when both `args` and `code` are string literals.
+
+- `unsafe_math` (default: `false`) -- optimize numerical expressions like
+  `2 * x * 3` into `6 * x`, which may give imprecise floating point results.
+
+- `unsafe_symbols` (default: `false`) -- removes keys from native Symbol 
+  declarations, e.g `Symbol("kDog")` becomes `Symbol()`.
+
+- `unsafe_methods` (default: false) -- Converts `{ m: function(){} }` to
+  `{ m(){} }`. `ecma` must be set to `6` or greater to enable this transform.
+  If `unsafe_methods` is a RegExp then key/value pairs with keys matching the
+  RegExp will be converted to concise methods.
+  Note: if enabled there is a risk of getting a "`<method name>` is not a
+  constructor" TypeError should any code try to `new` the former function.
+
+- `unsafe_proto` (default: `false`) -- optimize expressions like
+  `Array.prototype.slice.call(a)` into `[].slice.call(a)`
+
+- `unsafe_regexp` (default: `false`) -- enable substitutions of variables with
+  `RegExp` values the same way as if they are constants.
+
+- `unsafe_undefined` (default: `false`) -- substitute `void 0` if there is a
+  variable named `undefined` in scope (variable name will be mangled, typically
+  reduced to a single character)
+
+- `unused` (default: `true`) -- drop unreferenced functions and variables (simple
+  direct variable assignments do not count as references unless set to `"keep_assign"`)
+
+- `warnings` (default: `false`) -- display warnings when dropping unreachable
+  code or unused declarations etc.
+
+## Mangle options
+
+- `eval` (default `false`) -- Pass `true` to mangle names visible in scopes
+  where `eval` or `with` are used.
+
+- `keep_classnames` (default `false`) -- Pass `true` to not mangle class names.
+  Pass a regular expression to only keep class names matching that regex.
+  See also: the `keep_classnames` [compress option](#compress-options).
+
+- `keep_fnames` (default `false`) -- Pass `true` to not mangle function names.
+  Pass a regular expression to only keep class names matching that regex.
+  Useful for code relying on `Function.prototype.name`. See also: the `keep_fnames`
+  [compress option](#compress-options).
+
+- `module` (default `false`) -- Pass `true` an ES6 modules, where the toplevel
+  scope is not the global scope. Implies `toplevel`.
+
+- `reserved` (default `[]`) -- Pass an array of identifiers that should be
+  excluded from mangling. Example: `["foo", "bar"]`.
+
+- `toplevel` (default `false`) -- Pass `true` to mangle names declared in the
+  top level scope.
+
+- `safari10` (default `false`) -- Pass `true` to work around the Safari 10 loop
+  iterator [bug](https://bugs.webkit.org/show_bug.cgi?id=171041)
+  "Cannot declare a let variable twice".
+  See also: the `safari10` [output option](#output-options).
+
+Examples:
+
+```javascript
+// test.js
+var globalVar;
+function funcName(firstLongName, anotherLongName) {
+    var myVariable = firstLongName +  anotherLongName;
+}
+```
+```javascript
+var code = fs.readFileSync("test.js", "utf8");
+
+Terser.minify(code).code;
+// 'function funcName(a,n){}var globalVar;'
+
+Terser.minify(code, { mangle: { reserved: ['firstLongName'] } }).code;
+// 'function funcName(firstLongName,a){}var globalVar;'
+
+Terser.minify(code, { mangle: { toplevel: true } }).code;
+// 'function n(n,a){}var a;'
+```
+
+### Mangle properties options
+
+- `builtins` (default: `false`) — Use `true` to allow the mangling of builtin
+  DOM properties. Not recommended to override this setting.
+
+- `debug` (default: `false`) — Mangle names with the original name still present.
+  Pass an empty string `""` to enable, or a non-empty string to set the debug suffix.
+
+- `keep_quoted` (default: `false`) — Only mangle unquoted property names.
+  - `true` -- Quoted property names are automatically reserved and any unquoted
+    property names will not be mangled.
+  - `"strict"` -- Advanced, all unquoted property names are mangled unless
+    explicitly reserved.
+
+- `regex` (default: `null`) — Pass a [RegExp literal or pattern string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp) to only mangle property matching the regular expression.
+
+- `reserved` (default: `[]`) — Do not mangle property names listed in the
+  `reserved` array.
+
+- `undeclared` (default: `false`) - Mangle those names when they are accessed
+  as properties of known top level variables but their declarations are never
+  found in input code. May be useful when only minifying parts of a project.
+  See [#397](https://github.com/terser/terser/issues/397) for more details.
+
+## Output options
+
+The code generator tries to output shortest code possible by default.  In
+case you want beautified output, pass `--beautify` (`-b`).  Optionally you
+can pass additional arguments that control the code output:
+
+- `ascii_only` (default `false`) -- escape Unicode characters in strings and
+  regexps (affects directives with non-ascii characters becoming invalid)
+
+- `beautify` (default `true`) -- whether to actually beautify the output.
+  Passing `-b` will set this to true, but you might need to pass `-b` even
+  when you want to generate minified code, in order to specify additional
+  arguments, so you can use `-b beautify=false` to override it.
+
+- `braces` (default `false`) -- always insert braces in `if`, `for`,
+  `do`, `while` or `with` statements, even if their body is a single
+  statement.
+
+- `comments` (default `"some"`) -- by default it keeps JSDoc-style comments
+  that contain "@license" or "@preserve", pass `true` or `"all"` to preserve all
+  comments, `false` to omit comments in the output, a regular expression string
+  (e.g. `/^!/`) or a function.
+
+- `ecma` (default `5`) -- set output printing mode. Set `ecma` to `2015` or
+  greater to emit shorthand object properties - i.e.: `{a}` instead of `{a: a}`.
+  The `ecma` option will only change the output in direct control of the
+  beautifier. Non-compatible features in the abstract syntax tree will still
+  be output as is. For example: an `ecma` setting of `5` will **not** convert
+  ES6+ code to ES5.
+
+- `indent_level` (default `4`)
+
+- `indent_start` (default `0`) -- prefix all lines by that many spaces
+
+- `inline_script` (default `true`) -- escape HTML comments and the slash in
+  occurrences of `</script>` in strings
+
+- `keep_numbers` (default `false`) -- keep number literals as it was in original code
+ (disables optimizations like converting `1000000` into `1e6`)
+
+- `keep_quoted_props` (default `false`) -- when turned on, prevents stripping
+  quotes from property names in object literals.
+
+- `max_line_len` (default `false`) -- maximum line length (for minified code)
+
+- `preamble` (default `null`) -- when passed it must be a string and
+  it will be prepended to the output literally.  The source map will
+  adjust for this text.  Can be used to insert a comment containing
+  licensing information, for example.
+
+- `quote_keys` (default `false`) -- pass `true` to quote all keys in literal
+  objects
+
+- `quote_style` (default `0`) -- preferred quote style for strings (affects
+  quoted property names and directives as well):
+  - `0` -- prefers double quotes, switches to single quotes when there are
+    more double quotes in the string itself. `0` is best for gzip size.
+  - `1` -- always use single quotes
+  - `2` -- always use double quotes
+  - `3` -- always use the original quotes
+
+- `preserve_annotations` -- (default `false`) -- Preserve [Terser annotations](#annotations) in the output.
+
+- `safari10` (default `false`) -- set this option to `true` to work around
+  the [Safari 10/11 await bug](https://bugs.webkit.org/show_bug.cgi?id=176685).
+  See also: the `safari10` [mangle option](#mangle-options).
+
+- `semicolons` (default `true`) -- separate statements with semicolons.  If
+  you pass `false` then whenever possible we will use a newline instead of a
+  semicolon, leading to more readable output of minified code (size before
+  gzip could be smaller; size after gzip insignificantly larger).
+
+- `shebang` (default `true`) -- preserve shebang `#!` in preamble (bash scripts)
+
+- `webkit` (default `false`) -- enable workarounds for WebKit bugs.
+  PhantomJS users should set this option to `true`.
+
+- `wrap_iife` (default `false`) -- pass `true` to wrap immediately invoked
+  function expressions. See
+  [#640](https://github.com/mishoo/UglifyJS2/issues/640) for more details.
+
+- `wrap_func_args` (default `true`) -- pass `false` if you do not want to wrap
+  function expressions that are passed as arguments, in parenthesis. See
+  [OptimizeJS](https://github.com/nolanlawson/optimize-js) for more details.
+
+# Miscellaneous
+
+### Keeping copyright notices or other comments
+
+You can pass `--comments` to retain certain comments in the output.  By
+default it will keep JSDoc-style comments that contain "@preserve",
+"@license" or "@cc_on" (conditional compilation for IE).  You can pass
+`--comments all` to keep all the comments, or a valid JavaScript regexp to
+keep only comments that match this regexp.  For example `--comments /^!/`
+will keep comments like `/*! Copyright Notice */`.
+
+Note, however, that there might be situations where comments are lost.  For
+example:
+```javascript
+function f() {
+    /** @preserve Foo Bar */
+    function g() {
+        // this function is never called
+    }
+    return something();
+}
+```
+
+Even though it has "@preserve", the comment will be lost because the inner
+function `g` (which is the AST node to which the comment is attached to) is
+discarded by the compressor as not referenced.
+
+The safest comments where to place copyright information (or other info that
+needs to be kept in the output) are comments attached to toplevel nodes.
+
+### The `unsafe` `compress` option
+
+It enables some transformations that *might* break code logic in certain
+contrived cases, but should be fine for most code.  It assumes that standard
+built-in ECMAScript functions and classes have not been altered or replaced.
+You might want to try it on your own code; it should reduce the minified size.
+Some examples of the optimizations made when this option is enabled:
+
+- `new Array(1, 2, 3)` or `Array(1, 2, 3)` → `[ 1, 2, 3 ]`
+- `new Object()` → `{}`
+- `String(exp)` or `exp.toString()` → `"" + exp`
+- `new Object/RegExp/Function/Error/Array (...)` → we discard the `new`
+- `"foo bar".substr(4)` → `"bar"`
+
+### Conditional compilation
+
+You can use the `--define` (`-d`) switch in order to declare global
+variables that Terser will assume to be constants (unless defined in
+scope).  For example if you pass `--define DEBUG=false` then, coupled with
+dead code removal Terser will discard the following from the output:
+```javascript
+if (DEBUG) {
+    console.log("debug stuff");
+}
+```
+
+You can specify nested constants in the form of `--define env.DEBUG=false`.
+
+Terser will warn about the condition being always false and about dropping
+unreachable code; for now there is no option to turn off only this specific
+warning, you can pass `warnings=false` to turn off *all* warnings.
+
+Another way of doing that is to declare your globals as constants in a
+separate file and include it into the build.  For example you can have a
+`build/defines.js` file with the following:
+```javascript
+var DEBUG = false;
+var PRODUCTION = true;
+// etc.
+```
+
+and build your code like this:
+
+    terser build/defines.js js/foo.js js/bar.js... -c
+
+Terser will notice the constants and, since they cannot be altered, it
+will evaluate references to them to the value itself and drop unreachable
+code as usual.  The build will contain the `const` declarations if you use
+them. If you are targeting < ES6 environments which does not support `const`,
+using `var` with `reduce_vars` (enabled by default) should suffice.
+
+### Conditional compilation API
+
+You can also use conditional compilation via the programmatic API. With the difference that the
+property name is `global_defs` and is a compressor property:
+
+```javascript
+var result = Terser.minify(fs.readFileSync("input.js", "utf8"), {
+    compress: {
+        dead_code: true,
+        global_defs: {
+            DEBUG: false
+        }
+    }
+});
+```
+
+To replace an identifier with an arbitrary non-constant expression it is
+necessary to prefix the `global_defs` key with `"@"` to instruct Terser
+to parse the value as an expression:
+```javascript
+Terser.minify("alert('hello');", {
+    compress: {
+        global_defs: {
+            "@alert": "console.log"
+        }
+    }
+}).code;
+// returns: 'console.log("hello");'
+```
+
+Otherwise it would be replaced as string literal:
+```javascript
+Terser.minify("alert('hello');", {
+    compress: {
+        global_defs: {
+            "alert": "console.log"
+        }
+    }
+}).code;
+// returns: '"console.log"("hello");'
+```
+
+### Using native Terser AST with `minify()`
+```javascript
+// example: parse only, produce native Terser AST
+
+var result = Terser.minify(code, {
+    parse: {},
+    compress: false,
+    mangle: false,
+    output: {
+        ast: true,
+        code: false  // optional - faster if false
+    }
+});
+
+// result.ast contains native Terser AST
+```
+```javascript
+// example: accept native Terser AST input and then compress and mangle
+//          to produce both code and native AST.
+
+var result = Terser.minify(ast, {
+    compress: {},
+    mangle: {},
+    output: {
+        ast: true,
+        code: true  // optional - faster if false
+    }
+});
+
+// result.ast contains native Terser AST
+// result.code contains the minified code in string form.
+```
+
+
+### Annotations
+
+Annotations in Terser are a way to tell it to treat a certain function call differently. The following annotations are available:
+
+ * `/*@__INLINE__*/` - forces a function to be inlined somewhere.
+ * `/*@__NOINLINE__*/` - Makes sure the called function is not inlined into the call site.
+ * `/*@__PURE__*/` - Marks a function call as pure. That means, it can safely be dropped.
+
+You can use either a `@` sign at the start, or a `#`.
+
+Here are some examples on how to use them:
+
+```javascript
+/*@__INLINE__*/
+function_always_inlined_here()
+
+/*#__NOINLINE__*/
+function_cant_be_inlined_into_here()
+
+const x = /*#__PURE__*/i_am_dropped_if_x_is_not_used()
+```
+
+
+### Working with Terser AST
+
+Traversal and transformation of the native AST can be performed through
+[`TreeWalker`](https://github.com/fabiosantoscode/terser/blob/master/lib/ast.js) and
+[`TreeTransformer`](https://github.com/fabiosantoscode/terser/blob/master/lib/transform.js)
+respectively.
+
+Largely compatible native AST examples can be found in the original UglifyJS
+documentation. See: [tree walker](http://lisperator.net/uglifyjs/walk) and
+[tree transform](http://lisperator.net/uglifyjs/transform).
+
+### ESTree / SpiderMonkey AST
+
+Terser has its own abstract syntax tree format; for
+[practical reasons](http://lisperator.net/blog/uglifyjs-why-not-switching-to-spidermonkey-ast/)
+we can't easily change to using the SpiderMonkey AST internally.  However,
+Terser now has a converter which can import a SpiderMonkey AST.
+
+For example [Acorn][acorn] is a super-fast parser that produces a
+SpiderMonkey AST.  It has a small CLI utility that parses one file and dumps
+the AST in JSON on the standard output.  To use Terser to mangle and
+compress that:
+
+    acorn file.js | terser -p spidermonkey -m -c
+
+The `-p spidermonkey` option tells Terser that all input files are not
+JavaScript, but JS code described in SpiderMonkey AST in JSON.  Therefore we
+don't use our own parser in this case, but just transform that AST into our
+internal AST.
+
+### Use Acorn for parsing
+
+More for fun, I added the `-p acorn` option which will use Acorn to do all
+the parsing.  If you pass this option, Terser will `require("acorn")`.
+
+Acorn is really fast (e.g. 250ms instead of 380ms on some 650K code), but
+converting the SpiderMonkey tree that Acorn produces takes another 150ms so
+in total it's a bit more than just using Terser's own parser.
+
+[acorn]: https://github.com/ternjs/acorn
+[sm-spec]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k
+
+### Terser Fast Minify Mode
+
+It's not well known, but whitespace removal and symbol mangling accounts
+for 95% of the size reduction in minified code for most JavaScript - not
+elaborate code transforms. One can simply disable `compress` to speed up
+Terser builds by 3 to 4 times.
+
+| d3.js | size | gzip size | time (s) |
+|   --- | ---: |      ---: |     ---: |
+| original                                    | 451,131 | 108,733 |     - |
+| terser@3.7.5 mangle=false, compress=false   | 316,600 |  85,245 |  0.82 |
+| terser@3.7.5 mangle=true, compress=false    | 220,216 |  72,730 |  1.45 |
+| terser@3.7.5 mangle=true, compress=true     | 212,046 |  70,954 |  5.87 |
+| babili@0.1.4                                | 210,713 |  72,140 | 12.64 |
+| babel-minify@0.4.3                          | 210,321 |  72,242 | 48.67 |
+| babel-minify@0.5.0-alpha.01eac1c3           | 210,421 |  72,238 | 14.17 |
+
+To enable fast minify mode from the CLI use:
+```
+terser file.js -m
+```
+To enable fast minify mode with the API use:
+```js
+Terser.minify(code, { compress: false, mangle: true });
+```
+
+#### Source maps and debugging
+
+Various `compress` transforms that simplify, rearrange, inline and remove code
+are known to have an adverse effect on debugging with source maps. This is
+expected as code is optimized and mappings are often simply not possible as
+some code no longer exists. For highest fidelity in source map debugging
+disable the `compress` option and just use `mangle`.
+
+### Compiler assumptions
+
+To allow for better optimizations, the compiler makes various assumptions:
+
+- `.toString()` and `.valueOf()` don't have side effects, and for built-in
+  objects they have not been overridden.
+- `undefined`, `NaN` and `Infinity` have not been externally redefined.
+- `arguments.callee`, `arguments.caller` and `Function.prototype.caller` are not used.
+- The code doesn't expect the contents of `Function.prototype.toString()` or
+  `Error.prototype.stack` to be anything in particular.
+- Getting and setting properties on a plain object does not cause other side effects
+  (using `.watch()` or `Proxy`).
+- Object properties can be added, removed and modified (not prevented with
+  `Object.defineProperty()`, `Object.defineProperties()`, `Object.freeze()`,
+  `Object.preventExtensions()` or `Object.seal()`).
+- `document.all` is not `== null`
+- Assigning properties to a class doesn't have side effects and does not throw.
+
+### Build Tools and Adaptors using Terser
+
+https://www.npmjs.com/browse/depended/terser
+
+### Replacing `uglify-es` with `terser` in a project using `yarn`
+
+A number of JS bundlers and uglify wrappers are still using buggy versions
+of `uglify-es` and have not yet upgraded to `terser`. If you are using `yarn`
+you can add the following alias to your project's `package.json` file:
+
+```js
+  "resolutions": {
+    "uglify-es": "npm:terser"
+  }
+```
+
+to use `terser` instead of `uglify-es` in all deeply nested dependencies
+without changing any code.
+
+Note: for this change to take effect you must run the following commands
+to remove the existing `yarn` lock file and reinstall all packages:
+
+```
+$ rm -rf node_modules yarn.lock
+$ yarn
+```
+
+# Reporting issues
+
+In the terser CLI we use [source-map-support](https://npmjs.com/source-map-support) to produce good error stacks. In your own app, you're expected to enable source-map-support (read their docs) to have nice stack traces that will make good issues.
+
+# README.md Patrons:
+
+*note*: You can support this project on patreon: <a target="_blank" rel="nofollow" href="https://www.patreon.com/fabiosantoscode"><img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" alt="patron" width="100px" height="auto"></a>. Check out [PATRONS.md](https://github.com/terser/terser/blob/master/PATRONS.md) for our first-tier patrons.
+
+These are the second-tier patrons. Great thanks for your support!
+
+ * CKEditor ![](https://c10.patreonusercontent.com/3/eyJoIjoxMDAsInciOjEwMH0%3D/patreon-media/p/user/15452278/f8548dcf48d740619071e8d614459280/1?token-time=2145916800&token-hash=SIQ54PhIPHv3M7CVz9LxS8_8v4sOw4H304HaXsXj8MM%3D)
+ * 38elements ![](https://c10.patreonusercontent.com/3/eyJ3IjoyMDB9/patreon-media/p/user/12501844/88e7fc5dd62d45c6a5626533bbd48cfb/1?token-time=2145916800&token-hash=c3AsQ5T0IQWic0zKxFHu-bGGQJkXQFvafvJ4bPerFR4%3D)
+
+## Contributors
+
+### Code Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="https://github.com/terser/terser/graphs/contributors"><img src="https://opencollective.com/terser/contributors.svg?width=890&button=false" /></a>
+
+### Financial Contributors
+
+Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/terser/contribute)]
+
+#### Individuals
+
+<a href="https://opencollective.com/terser"><img src="https://opencollective.com/terser/individuals.svg?width=890"></a>
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/terser/contribute)]
+
+<a href="https://opencollective.com/terser/organization/0/website"><img src="https://opencollective.com/terser/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/1/website"><img src="https://opencollective.com/terser/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/2/website"><img src="https://opencollective.com/terser/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/3/website"><img src="https://opencollective.com/terser/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/4/website"><img src="https://opencollective.com/terser/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/5/website"><img src="https://opencollective.com/terser/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/6/website"><img src="https://opencollective.com/terser/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/7/website"><img src="https://opencollective.com/terser/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/8/website"><img src="https://opencollective.com/terser/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/terser/organization/9/website"><img src="https://opencollective.com/terser/organization/9/avatar.svg"></a>
diff --git a/node_modules/terser/bin/terser b/node_modules/terser/bin/terser
new file mode 100644
index 00000000..e910537a
--- /dev/null
+++ b/node_modules/terser/bin/terser
@@ -0,0 +1,477 @@
+#!/usr/bin/env node
+// -*- js -*-
+/* eslint-env node */
+
+"use strict";
+
+require("../tools/exit.js");
+
+var fs = require("fs");
+var info = require("../package.json");
+var path = require("path");
+var program = require("commander");
+
+var Terser = require("..");
+try {
+    require("source-map-support").install();
+} catch (err) {}
+
+const skip_keys = new Set([ "cname", "parent_scope", "scope", "uses_eval", "uses_with", "_var_name_cache" ]);
+var files = {};
+var options = {
+    compress: false,
+    mangle: false
+};
+program.version(info.name + " " + info.version);
+program.parseArgv = program.parse;
+program.parse = undefined;
+if (process.argv.includes("ast")) program.helpInformation = describe_ast;
+else if (process.argv.includes("options")) program.helpInformation = function() {
+    var text = [];
+    var options = Terser.default_options();
+    for (var option in options) {
+        text.push("--" + (option === "output" ? "beautify" : option === "sourceMap" ? "source-map" : option) + " options:");
+        text.push(format_object(options[option]));
+        text.push("");
+    }
+    return text.join("\n");
+};
+program.option("-p, --parse <options>", "Specify parser options.", parse_js());
+program.option("-c, --compress [options]", "Enable compressor/specify compressor options.", parse_js());
+program.option("-m, --mangle [options]", "Mangle names/specify mangler options.", parse_js());
+program.option("--mangle-props [options]", "Mangle properties/specify mangler options.", parse_js());
+program.option("-b, --beautify [options]", "Beautify output/specify output options.", parse_js());
+program.option("-o, --output <file>", "Output file (default STDOUT).");
+program.option("--comments [filter]", "Preserve copyright comments in the output.");
+program.option("--config-file <file>", "Read minify() options from JSON file.");
+program.option("-d, --define <expr>[=value]", "Global definitions.", parse_js("define"));
+program.option("--ecma <version>", "Specify ECMAScript release: 5, 2015, 2016 or 2017...");
+program.option("-e, --enclose [arg[,...][:value[,...]]]", "Embed output in a big function with configurable arguments and values.");
+program.option("--ie8", "Support non-standard Internet Explorer 8.");
+program.option("--keep-classnames", "Do not mangle/drop class names.");
+program.option("--keep-fnames", "Do not mangle/drop function names. Useful for code relying on Function.prototype.name.");
+program.option("--module", "Input is an ES6 module");
+program.option("--name-cache <file>", "File to hold mangled name mappings.");
+program.option("--rename", "Force symbol expansion.");
+program.option("--no-rename", "Disable symbol expansion.");
+program.option("--safari10", "Support non-standard Safari 10.");
+program.option("--source-map [options]", "Enable source map/specify source map options.", parse_js());
+program.option("--timings", "Display operations run time on STDERR.");
+program.option("--toplevel", "Compress and/or mangle variables in toplevel scope.");
+program.option("--verbose", "Print diagnostic messages.");
+program.option("--warn", "Print warning messages.");
+program.option("--wrap <name>", "Embed everything as a function with “exports” corresponding to “name” globally.");
+program.arguments("[files...]").parseArgv(process.argv);
+if (program.configFile) {
+    options = JSON.parse(read_file(program.configFile));
+}
+if (!program.output && program.sourceMap && program.sourceMap.url != "inline") {
+    fatal("ERROR: cannot write source map to STDOUT");
+}
+[
+    "compress",
+    "enclose",
+    "ie8",
+    "mangle",
+    "module",
+    "safari10",
+    "sourceMap",
+    "toplevel",
+    "wrap"
+].forEach(function(name) {
+    if (name in program) {
+        options[name] = program[name];
+    }
+});
+if ("ecma" in program) {
+    if (program.ecma != (program.ecma | 0)) fatal("ERROR: ecma must be an integer");
+    const ecma = program.ecma | 0;
+    if (ecma > 5 && ecma < 2015)
+        options.ecma = ecma + 2009;
+    else
+        options.ecma = ecma;
+}
+if (program.beautify) {
+    options.output = typeof program.beautify == "object" ? program.beautify : {};
+    if (!("beautify" in options.output)) {
+        options.output.beautify = true;
+    }
+}
+if (program.comments) {
+    if (typeof options.output != "object") options.output = {};
+    options.output.comments = typeof program.comments == "string" ? (program.comments == "false" ? false : program.comments) : "some";
+}
+if (program.define) {
+    if (typeof options.compress != "object") options.compress = {};
+    if (typeof options.compress.global_defs != "object") options.compress.global_defs = {};
+    for (var expr in program.define) {
+        options.compress.global_defs[expr] = program.define[expr];
+    }
+}
+if (program.keepClassnames) {
+    options.keep_classnames = true;
+}
+if (program.keepFnames) {
+    options.keep_fnames = true;
+}
+if (program.mangleProps) {
+    if (program.mangleProps.domprops) {
+        delete program.mangleProps.domprops;
+    } else {
+        if (typeof program.mangleProps != "object") program.mangleProps = {};
+        if (!Array.isArray(program.mangleProps.reserved)) program.mangleProps.reserved = [];
+    }
+    if (typeof options.mangle != "object") options.mangle = {};
+    options.mangle.properties = program.mangleProps;
+}
+if (program.nameCache) {
+    options.nameCache = JSON.parse(read_file(program.nameCache, "{}"));
+}
+if (program.output == "ast") {
+    options.output = {
+        ast: true,
+        code: false
+    };
+}
+if (program.parse) {
+    if (!program.parse.acorn && !program.parse.spidermonkey) {
+        options.parse = program.parse;
+    } else if (program.sourceMap && program.sourceMap.content == "inline") {
+        fatal("ERROR: inline source map only works with built-in parser");
+    }
+}
+if (~program.rawArgs.indexOf("--rename")) {
+    options.rename = true;
+} else if (!program.rename) {
+    options.rename = false;
+}
+var convert_path = function(name) {
+    return name;
+};
+if (typeof program.sourceMap == "object" && "base" in program.sourceMap) {
+    convert_path = function() {
+        var base = program.sourceMap.base;
+        delete options.sourceMap.base;
+        return function(name) {
+            return path.relative(base, name);
+        };
+    }();
+}
+if (program.verbose) {
+    options.warnings = "verbose";
+} else if (program.warn) {
+    options.warnings = true;
+}
+
+let filesList;
+if (options.files && options.files.length) {
+    filesList = options.files;
+
+    delete options.files;
+} else if (program.args.length) {
+    filesList = program.args;
+}
+
+if (filesList) {
+    simple_glob(filesList).forEach(function(name) {
+        files[convert_path(name)] = read_file(name);
+    });
+    run();
+} else {
+    var chunks = [];
+    process.stdin.setEncoding("utf8");
+    process.stdin.on("data", function(chunk) {
+        chunks.push(chunk);
+    }).on("end", function() {
+        files = [ chunks.join("") ];
+        run();
+    });
+    process.stdin.resume();
+}
+
+function convert_ast(fn) {
+    return Terser.AST_Node.from_mozilla_ast(Object.keys(files).reduce(fn, null));
+}
+
+function run() {
+    Terser.AST_Node.warn_function = function(msg) {
+        print_error("WARN: " + msg);
+    };
+    var content = program.sourceMap && program.sourceMap.content;
+    if (content && content !== "inline") {
+        options.sourceMap.content = read_file(content, content);
+    }
+    if (program.timings) options.timings = true;
+    try {
+        if (program.parse) {
+            if (program.parse.acorn) {
+                files = convert_ast(function(toplevel, name) {
+                    return require("acorn").parse(files[name], {
+                        ecmaVersion: 2018,
+                        locations: true,
+                        program: toplevel,
+                        sourceFile: name,
+                        sourceType: options.module || program.parse.module ? "module" : "script"
+                    });
+                });
+            } else if (program.parse.spidermonkey) {
+                files = convert_ast(function(toplevel, name) {
+                    var obj = JSON.parse(files[name]);
+                    if (!toplevel) return obj;
+                    toplevel.body = toplevel.body.concat(obj.body);
+                    return toplevel;
+                });
+            }
+        }
+    } catch (ex) {
+        fatal(ex);
+    }
+    var result = Terser.minify(files, options);
+    if (result.error) {
+        var ex = result.error;
+        if (ex.name == "SyntaxError") {
+            print_error("Parse error at " + ex.filename + ":" + ex.line + "," + ex.col);
+            var col = ex.col;
+            var lines = files[ex.filename].split(/\r?\n/);
+            var line = lines[ex.line - 1];
+            if (!line && !col) {
+                line = lines[ex.line - 2];
+                col = line.length;
+            }
+            if (line) {
+                var limit = 70;
+                if (col > limit) {
+                    line = line.slice(col - limit);
+                    col = limit;
+                }
+                print_error(line.slice(0, 80));
+                print_error(line.slice(0, col).replace(/\S/g, " ") + "^");
+            }
+        }
+        if (ex.defs) {
+            print_error("Supported options:");
+            print_error(format_object(ex.defs));
+        }
+        fatal(ex);
+    } else if (program.output == "ast") {
+        if (!options.compress && !options.mangle) {
+            result.ast.figure_out_scope({});
+        }
+        print(JSON.stringify(result.ast, function(key, value) {
+            if (value) switch (key) {
+              case "thedef":
+                return symdef(value);
+              case "enclosed":
+                return value.length ? value.map(symdef) : undefined;
+              case "variables":
+              case "functions":
+              case "globals":
+                return value.size ? collect_from_map(value, symdef) : undefined;
+            }
+            if (skip_keys.has(key)) return;
+            if (value instanceof Terser.AST_Token) return;
+            if (value instanceof Map) return;
+            if (value instanceof Terser.AST_Node) {
+                var result = {
+                    _class: "AST_" + value.TYPE
+                };
+                if (value.block_scope) {
+                    result.variables = value.block_scope.variables;
+                    result.functions = value.block_scope.functions;
+                    result.enclosed = value.block_scope.enclosed;
+                }
+                value.CTOR.PROPS.forEach(function(prop) {
+                    if (prop === "block_scope") return;
+                    result[prop] = value[prop];
+                });
+                return result;
+            }
+            return value;
+        }, 2));
+    } else if (program.output == "spidermonkey") {
+        print(JSON.stringify(Terser.minify(result.code, {
+            compress: false,
+            mangle: false,
+            output: {
+                ast: true,
+                code: false
+            }
+        }).ast.to_mozilla_ast(), null, 2));
+    } else if (program.output) {
+        fs.writeFileSync(program.output, result.code);
+        if (options.sourceMap.url !== "inline" && result.map) {
+            fs.writeFileSync(program.output + ".map", result.map);
+        }
+    } else {
+        print(result.code);
+    }
+    if (program.nameCache) {
+        fs.writeFileSync(program.nameCache, JSON.stringify(options.nameCache));
+    }
+    if (result.timings) for (var phase in result.timings) {
+        print_error("- " + phase + ": " + result.timings[phase].toFixed(3) + "s");
+    }
+}
+
+function fatal(message) {
+    if (message instanceof Error) message = message.stack.replace(/^\S*?Error:/, "ERROR:");
+    print_error(message);
+    process.exit(1);
+}
+
+// A file glob function that only supports "*" and "?" wildcards in the basename.
+// Example: "foo/bar/*baz??.*.js"
+// Argument `glob` may be a string or an array of strings.
+// Returns an array of strings. Garbage in, garbage out.
+function simple_glob(glob) {
+    if (Array.isArray(glob)) {
+        return [].concat.apply([], glob.map(simple_glob));
+    }
+    if (glob && glob.match(/[*?]/)) {
+        var dir = path.dirname(glob);
+        try {
+            var entries = fs.readdirSync(dir);
+        } catch (ex) {}
+        if (entries) {
+            var pattern = "^" + path.basename(glob)
+                .replace(/[.+^$[\]\\(){}]/g, "\\$&")
+                .replace(/\*/g, "[^/\\\\]*")
+                .replace(/\?/g, "[^/\\\\]") + "$";
+            var mod = process.platform === "win32" ? "i" : "";
+            var rx = new RegExp(pattern, mod);
+            var results = entries.filter(function(name) {
+                return rx.test(name);
+            }).map(function(name) {
+                return path.join(dir, name);
+            });
+            if (results.length) return results;
+        }
+    }
+    return [ glob ];
+}
+
+function read_file(path, default_value) {
+    try {
+        return fs.readFileSync(path, "utf8");
+    } catch (ex) {
+        if ((ex.code == "ENOENT" || ex.code == "ENAMETOOLONG") && default_value != null) return default_value;
+        fatal(ex);
+    }
+}
+
+function parse_js(flag) {
+    return function(value, options) {
+        options = options || {};
+        try {
+            Terser.parse(value, {
+                expression: true
+            }).walk(new Terser.TreeWalker(function(node) {
+                if (node instanceof Terser.AST_Assign) {
+                    var name = node.left.print_to_string();
+                    var value = node.right;
+                    if (flag) {
+                        options[name] = value;
+                    } else if (value instanceof Terser.AST_Array) {
+                        options[name] = value.elements.map(to_string);
+                    } else if (value instanceof Terser.AST_RegExp) {
+                        value = value.value;
+                        options[name] = new RegExp(value.source, value.flags);
+                    } else {
+                        options[name] = to_string(value);
+                    }
+                    return true;
+                }
+                if (node instanceof Terser.AST_Symbol || node instanceof Terser.AST_PropAccess) {
+                    var name = node.print_to_string();
+                    options[name] = true;
+                    return true;
+                }
+                if (!(node instanceof Terser.AST_Sequence)) throw node;
+
+                function to_string(value) {
+                    return value instanceof Terser.AST_Constant ? value.getValue() : value.print_to_string({
+                        quote_keys: true
+                    });
+                }
+            }));
+        } catch(ex) {
+            if (flag) {
+                fatal("Error parsing arguments for '" + flag + "': " + value);
+            } else {
+                options[value] = null;
+            }
+        }
+        return options;
+    };
+}
+
+function symdef(def) {
+    var ret = (1e6 + def.id) + " " + def.name;
+    if (def.mangled_name) ret += " " + def.mangled_name;
+    return ret;
+}
+
+function collect_from_map(map, callback) {
+    var result = [];
+    map.forEach(function (def) {
+        result.push(callback(def));
+    });
+    return result;
+}
+
+function format_object(obj) {
+    var lines = [];
+    var padding = "";
+    Object.keys(obj).map(function(name) {
+        if (padding.length < name.length) padding = Array(name.length + 1).join(" ");
+        return [ name, JSON.stringify(obj[name]) ];
+    }).forEach(function(tokens) {
+        lines.push("  " + tokens[0] + padding.slice(tokens[0].length - 2) + tokens[1]);
+    });
+    return lines.join("\n");
+}
+
+function print_error(msg) {
+    process.stderr.write(msg);
+    process.stderr.write("\n");
+}
+
+function print(txt) {
+    process.stdout.write(txt);
+    process.stdout.write("\n");
+}
+
+function describe_ast() {
+    var out = Terser.OutputStream({ beautify: true });
+    function doitem(ctor) {
+        out.print("AST_" + ctor.TYPE);
+        var props = ctor.SELF_PROPS.filter(function(prop) {
+            return !/^\$/.test(prop);
+        });
+        if (props.length > 0) {
+            out.space();
+            out.with_parens(function() {
+                props.forEach(function(prop, i) {
+                    if (i) out.space();
+                    out.print(prop);
+                });
+            });
+        }
+        if (ctor.documentation) {
+            out.space();
+            out.print_string(ctor.documentation);
+        }
+        if (ctor.SUBCLASSES.length > 0) {
+            out.space();
+            out.with_block(function() {
+                ctor.SUBCLASSES.forEach(function(ctor, i) {
+                    out.indent();
+                    doitem(ctor);
+                    out.newline();
+                });
+            });
+        }
+    }
+    doitem(Terser.AST_Node);
+    return out + "\n";
+}
diff --git a/node_modules/terser/bin/uglifyjs b/node_modules/terser/bin/uglifyjs
new file mode 100644
index 00000000..f1930250
--- /dev/null
+++ b/node_modules/terser/bin/uglifyjs
@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+// -*- js -*-
+/* eslint-env node */
+
+"use strict";
+
+process.stderr.write( "DEPRECATION WARNING: uglifyjs binary will soon be discontinued!\n");
+process.stderr.write("Please use \"terser\" instead.\n\n");
+
+require("./terser");
diff --git a/node_modules/terser/node_modules/source-map/CHANGELOG.md b/node_modules/terser/node_modules/source-map/CHANGELOG.md
new file mode 100644
index 00000000..3a8c066c
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/CHANGELOG.md
@@ -0,0 +1,301 @@
+# Change Log
+
+## 0.5.6
+
+* Fix for regression when people were using numbers as names in source maps. See
+  #236.
+
+## 0.5.5
+
+* Fix "regression" of unsupported, implementation behavior that half the world
+  happens to have come to depend on. See #235.
+
+* Fix regression involving function hoisting in SpiderMonkey. See #233.
+
+## 0.5.4
+
+* Large performance improvements to source-map serialization. See #228 and #229.
+
+## 0.5.3
+
+* Do not include unnecessary distribution files. See
+  commit ef7006f8d1647e0a83fdc60f04f5a7ca54886f86.
+
+## 0.5.2
+
+* Include browser distributions of the library in package.json's `files`. See
+  issue #212.
+
+## 0.5.1
+
+* Fix latent bugs in IndexedSourceMapConsumer.prototype._parseMappings. See
+  ff05274becc9e6e1295ed60f3ea090d31d843379.
+
+## 0.5.0
+
+* Node 0.8 is no longer supported.
+
+* Use webpack instead of dryice for bundling.
+
+* Big speedups serializing source maps. See pull request #203.
+
+* Fix a bug with `SourceMapConsumer.prototype.sourceContentFor` and sources that
+  explicitly start with the source root. See issue #199.
+
+## 0.4.4
+
+* Fix an issue where using a `SourceMapGenerator` after having created a
+  `SourceMapConsumer` from it via `SourceMapConsumer.fromSourceMap` failed. See
+  issue #191.
+
+* Fix an issue with where `SourceMapGenerator` would mistakenly consider
+  different mappings as duplicates of each other and avoid generating them. See
+  issue #192.
+
+## 0.4.3
+
+* A very large number of performance improvements, particularly when parsing
+  source maps. Collectively about 75% of time shaved off of the source map
+  parsing benchmark!
+
+* Fix a bug in `SourceMapConsumer.prototype.allGeneratedPositionsFor` and fuzzy
+  searching in the presence of a column option. See issue #177.
+
+* Fix a bug with joining a source and its source root when the source is above
+  the root. See issue #182.
+
+* Add the `SourceMapConsumer.prototype.hasContentsOfAllSources` method to
+  determine when all sources' contents are inlined into the source map. See
+  issue #190.
+
+## 0.4.2
+
+* Add an `.npmignore` file so that the benchmarks aren't pulled down by
+  dependent projects. Issue #169.
+
+* Add an optional `column` argument to
+  `SourceMapConsumer.prototype.allGeneratedPositionsFor` and better handle lines
+  with no mappings. Issues #172 and #173.
+
+## 0.4.1
+
+* Fix accidentally defining a global variable. #170.
+
+## 0.4.0
+
+* The default direction for fuzzy searching was changed back to its original
+  direction. See #164.
+
+* There is now a `bias` option you can supply to `SourceMapConsumer` to control
+  the fuzzy searching direction. See #167.
+
+* About an 8% speed up in parsing source maps. See #159.
+
+* Added a benchmark for parsing and generating source maps.
+
+## 0.3.0
+
+* Change the default direction that searching for positions fuzzes when there is
+  not an exact match. See #154.
+
+* Support for environments using json2.js for JSON serialization. See #156.
+
+## 0.2.0
+
+* Support for consuming "indexed" source maps which do not have any remote
+  sections. See pull request #127. This introduces a minor backwards
+  incompatibility if you are monkey patching `SourceMapConsumer.prototype`
+  methods.
+
+## 0.1.43
+
+* Performance improvements for `SourceMapGenerator` and `SourceNode`. See issue
+  #148 for some discussion and issues #150, #151, and #152 for implementations.
+
+## 0.1.42
+
+* Fix an issue where `SourceNode`s from different versions of the source-map
+  library couldn't be used in conjunction with each other. See issue #142.
+
+## 0.1.41
+
+* Fix a bug with getting the source content of relative sources with a "./"
+  prefix. See issue #145 and [Bug 1090768](bugzil.la/1090768).
+
+* Add the `SourceMapConsumer.prototype.computeColumnSpans` method to compute the
+  column span of each mapping.
+
+* Add the `SourceMapConsumer.prototype.allGeneratedPositionsFor` method to find
+  all generated positions associated with a given original source and line.
+
+## 0.1.40
+
+* Performance improvements for parsing source maps in SourceMapConsumer.
+
+## 0.1.39
+
+* Fix a bug where setting a source's contents to null before any source content
+  had been set before threw a TypeError. See issue #131.
+
+## 0.1.38
+
+* Fix a bug where finding relative paths from an empty path were creating
+  absolute paths. See issue #129.
+
+## 0.1.37
+
+* Fix a bug where if the source root was an empty string, relative source paths
+  would turn into absolute source paths. Issue #124.
+
+## 0.1.36
+
+* Allow the `names` mapping property to be an empty string. Issue #121.
+
+## 0.1.35
+
+* A third optional parameter was added to `SourceNode.fromStringWithSourceMap`
+  to specify a path that relative sources in the second parameter should be
+  relative to. Issue #105.
+
+* If no file property is given to a `SourceMapGenerator`, then the resulting
+  source map will no longer have a `null` file property. The property will
+  simply not exist. Issue #104.
+
+* Fixed a bug where consecutive newlines were ignored in `SourceNode`s.
+  Issue #116.
+
+## 0.1.34
+
+* Make `SourceNode` work with windows style ("\r\n") newlines. Issue #103.
+
+* Fix bug involving source contents and the
+  `SourceMapGenerator.prototype.applySourceMap`. Issue #100.
+
+## 0.1.33
+
+* Fix some edge cases surrounding path joining and URL resolution.
+
+* Add a third parameter for relative path to
+  `SourceMapGenerator.prototype.applySourceMap`.
+
+* Fix issues with mappings and EOLs.
+
+## 0.1.32
+
+* Fixed a bug where SourceMapConsumer couldn't handle negative relative columns
+  (issue 92).
+
+* Fixed test runner to actually report number of failed tests as its process
+  exit code.
+
+* Fixed a typo when reporting bad mappings (issue 87).
+
+## 0.1.31
+
+* Delay parsing the mappings in SourceMapConsumer until queried for a source
+  location.
+
+* Support Sass source maps (which at the time of writing deviate from the spec
+  in small ways) in SourceMapConsumer.
+
+## 0.1.30
+
+* Do not join source root with a source, when the source is a data URI.
+
+* Extend the test runner to allow running single specific test files at a time.
+
+* Performance improvements in `SourceNode.prototype.walk` and
+  `SourceMapConsumer.prototype.eachMapping`.
+
+* Source map browser builds will now work inside Workers.
+
+* Better error messages when attempting to add an invalid mapping to a
+  `SourceMapGenerator`.
+
+## 0.1.29
+
+* Allow duplicate entries in the `names` and `sources` arrays of source maps
+  (usually from TypeScript) we are parsing. Fixes github issue 72.
+
+## 0.1.28
+
+* Skip duplicate mappings when creating source maps from SourceNode; github
+  issue 75.
+
+## 0.1.27
+
+* Don't throw an error when the `file` property is missing in SourceMapConsumer,
+  we don't use it anyway.
+
+## 0.1.26
+
+* Fix SourceNode.fromStringWithSourceMap for empty maps. Fixes github issue 70.
+
+## 0.1.25
+
+* Make compatible with browserify
+
+## 0.1.24
+
+* Fix issue with absolute paths and `file://` URIs. See
+  https://bugzilla.mozilla.org/show_bug.cgi?id=885597
+
+## 0.1.23
+
+* Fix issue with absolute paths and sourcesContent, github issue 64.
+
+## 0.1.22
+
+* Ignore duplicate mappings in SourceMapGenerator. Fixes github issue 21.
+
+## 0.1.21
+
+* Fixed handling of sources that start with a slash so that they are relative to
+  the source root's host.
+
+## 0.1.20
+
+* Fixed github issue #43: absolute URLs aren't joined with the source root
+  anymore.
+
+## 0.1.19
+
+* Using Travis CI to run tests.
+
+## 0.1.18
+
+* Fixed a bug in the handling of sourceRoot.
+
+## 0.1.17
+
+* Added SourceNode.fromStringWithSourceMap.
+
+## 0.1.16
+
+* Added missing documentation.
+
+* Fixed the generating of empty mappings in SourceNode.
+
+## 0.1.15
+
+* Added SourceMapGenerator.applySourceMap.
+
+## 0.1.14
+
+* The sourceRoot is now handled consistently.
+
+## 0.1.13
+
+* Added SourceMapGenerator.fromSourceMap.
+
+## 0.1.12
+
+* SourceNode now generates empty mappings too.
+
+## 0.1.11
+
+* Added name support to SourceNode.
+
+## 0.1.10
+
+* Added sourcesContent support to the customer and generator.
diff --git a/node_modules/terser/node_modules/source-map/LICENSE b/node_modules/terser/node_modules/source-map/LICENSE
new file mode 100644
index 00000000..ed1b7cf2
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/LICENSE
@@ -0,0 +1,28 @@
+
+Copyright (c) 2009-2011, Mozilla Foundation and contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the names of the Mozilla Foundation nor the names of project
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/terser/node_modules/source-map/README.md b/node_modules/terser/node_modules/source-map/README.md
new file mode 100644
index 00000000..fea4beb1
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/README.md
@@ -0,0 +1,742 @@
+# Source Map
+
+[![Build Status](https://travis-ci.org/mozilla/source-map.png?branch=master)](https://travis-ci.org/mozilla/source-map)
+
+[![NPM](https://nodei.co/npm/source-map.png?downloads=true&downloadRank=true)](https://www.npmjs.com/package/source-map)
+
+This is a library to generate and consume the source map format
+[described here][format].
+
+[format]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+
+## Use with Node
+
+    $ npm install source-map
+
+## Use on the Web
+
+    <script src="https://raw.githubusercontent.com/mozilla/source-map/master/dist/source-map.min.js" defer></script>
+
+--------------------------------------------------------------------------------
+
+<!-- `npm run toc` to regenerate the Table of Contents -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Examples](#examples)
+  - [Consuming a source map](#consuming-a-source-map)
+  - [Generating a source map](#generating-a-source-map)
+    - [With SourceNode (high level API)](#with-sourcenode-high-level-api)
+    - [With SourceMapGenerator (low level API)](#with-sourcemapgenerator-low-level-api)
+- [API](#api)
+  - [SourceMapConsumer](#sourcemapconsumer)
+    - [new SourceMapConsumer(rawSourceMap)](#new-sourcemapconsumerrawsourcemap)
+    - [SourceMapConsumer.prototype.computeColumnSpans()](#sourcemapconsumerprototypecomputecolumnspans)
+    - [SourceMapConsumer.prototype.originalPositionFor(generatedPosition)](#sourcemapconsumerprototypeoriginalpositionforgeneratedposition)
+    - [SourceMapConsumer.prototype.generatedPositionFor(originalPosition)](#sourcemapconsumerprototypegeneratedpositionfororiginalposition)
+    - [SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)](#sourcemapconsumerprototypeallgeneratedpositionsfororiginalposition)
+    - [SourceMapConsumer.prototype.hasContentsOfAllSources()](#sourcemapconsumerprototypehascontentsofallsources)
+    - [SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])](#sourcemapconsumerprototypesourcecontentforsource-returnnullonmissing)
+    - [SourceMapConsumer.prototype.eachMapping(callback, context, order)](#sourcemapconsumerprototypeeachmappingcallback-context-order)
+  - [SourceMapGenerator](#sourcemapgenerator)
+    - [new SourceMapGenerator([startOfSourceMap])](#new-sourcemapgeneratorstartofsourcemap)
+    - [SourceMapGenerator.fromSourceMap(sourceMapConsumer)](#sourcemapgeneratorfromsourcemapsourcemapconsumer)
+    - [SourceMapGenerator.prototype.addMapping(mapping)](#sourcemapgeneratorprototypeaddmappingmapping)
+    - [SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)](#sourcemapgeneratorprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])](#sourcemapgeneratorprototypeapplysourcemapsourcemapconsumer-sourcefile-sourcemappath)
+    - [SourceMapGenerator.prototype.toString()](#sourcemapgeneratorprototypetostring)
+  - [SourceNode](#sourcenode)
+    - [new SourceNode([line, column, source[, chunk[, name]]])](#new-sourcenodeline-column-source-chunk-name)
+    - [SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])](#sourcenodefromstringwithsourcemapcode-sourcemapconsumer-relativepath)
+    - [SourceNode.prototype.add(chunk)](#sourcenodeprototypeaddchunk)
+    - [SourceNode.prototype.prepend(chunk)](#sourcenodeprototypeprependchunk)
+    - [SourceNode.prototype.setSourceContent(sourceFile, sourceContent)](#sourcenodeprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceNode.prototype.walk(fn)](#sourcenodeprototypewalkfn)
+    - [SourceNode.prototype.walkSourceContents(fn)](#sourcenodeprototypewalksourcecontentsfn)
+    - [SourceNode.prototype.join(sep)](#sourcenodeprototypejoinsep)
+    - [SourceNode.prototype.replaceRight(pattern, replacement)](#sourcenodeprototypereplacerightpattern-replacement)
+    - [SourceNode.prototype.toString()](#sourcenodeprototypetostring)
+    - [SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])](#sourcenodeprototypetostringwithsourcemapstartofsourcemap)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## Examples
+
+### Consuming a source map
+
+```js
+var rawSourceMap = {
+  version: 3,
+  file: 'min.js',
+  names: ['bar', 'baz', 'n'],
+  sources: ['one.js', 'two.js'],
+  sourceRoot: 'http://example.com/www/js/',
+  mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
+};
+
+var smc = new SourceMapConsumer(rawSourceMap);
+
+console.log(smc.sources);
+// [ 'http://example.com/www/js/one.js',
+//   'http://example.com/www/js/two.js' ]
+
+console.log(smc.originalPositionFor({
+  line: 2,
+  column: 28
+}));
+// { source: 'http://example.com/www/js/two.js',
+//   line: 2,
+//   column: 10,
+//   name: 'n' }
+
+console.log(smc.generatedPositionFor({
+  source: 'http://example.com/www/js/two.js',
+  line: 2,
+  column: 10
+}));
+// { line: 2, column: 28 }
+
+smc.eachMapping(function (m) {
+  // ...
+});
+```
+
+### Generating a source map
+
+In depth guide:
+[**Compiling to JavaScript, and Debugging with Source Maps**](https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/)
+
+#### With SourceNode (high level API)
+
+```js
+function compile(ast) {
+  switch (ast.type) {
+  case 'BinaryExpression':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      [compile(ast.left), " + ", compile(ast.right)]
+    );
+  case 'Literal':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      String(ast.value)
+    );
+  // ...
+  default:
+    throw new Error("Bad AST");
+  }
+}
+
+var ast = parse("40 + 2", "add.js");
+console.log(compile(ast).toStringWithSourceMap({
+  file: 'add.js'
+}));
+// { code: '40 + 2',
+//   map: [object SourceMapGenerator] }
+```
+
+#### With SourceMapGenerator (low level API)
+
+```js
+var map = new SourceMapGenerator({
+  file: "source-mapped.js"
+});
+
+map.addMapping({
+  generated: {
+    line: 10,
+    column: 35
+  },
+  source: "foo.js",
+  original: {
+    line: 33,
+    column: 2
+  },
+  name: "christopher"
+});
+
+console.log(map.toString());
+// '{"version":3,"file":"source-mapped.js","sources":["foo.js"],"names":["christopher"],"mappings":";;;;;;;;;mCAgCEA"}'
+```
+
+## API
+
+Get a reference to the module:
+
+```js
+// Node.js
+var sourceMap = require('source-map');
+
+// Browser builds
+var sourceMap = window.sourceMap;
+
+// Inside Firefox
+const sourceMap = require("devtools/toolkit/sourcemap/source-map.js");
+```
+
+### SourceMapConsumer
+
+A SourceMapConsumer instance represents a parsed source map which we can query
+for information about the original file positions by giving it a file position
+in the generated source.
+
+#### new SourceMapConsumer(rawSourceMap)
+
+The only parameter is the raw source map (either as a string which can be
+`JSON.parse`'d, or an object). According to the spec, source maps have the
+following attributes:
+
+* `version`: Which version of the source map spec this map is following.
+
+* `sources`: An array of URLs to the original source files.
+
+* `names`: An array of identifiers which can be referenced by individual
+  mappings.
+
+* `sourceRoot`: Optional. The URL root from which all sources are relative.
+
+* `sourcesContent`: Optional. An array of contents of the original source files.
+
+* `mappings`: A string of base64 VLQs which contain the actual mappings.
+
+* `file`: Optional. The generated filename this source map is associated with.
+
+```js
+var consumer = new sourceMap.SourceMapConsumer(rawSourceMapJsonData);
+```
+
+#### SourceMapConsumer.prototype.computeColumnSpans()
+
+Compute the last column for each generated mapping. The last column is
+inclusive.
+
+```js
+// Before:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+
+consumer.computeColumnSpans();
+
+// After:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1,
+//     lastColumn: 9 },
+//   { line: 2,
+//     column: 10,
+//     lastColumn: 19 },
+//   { line: 2,
+//     column: 20,
+//     lastColumn: Infinity } ]
+
+```
+
+#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
+
+Returns the original source, line, and column information for the generated
+source's line and column positions provided. The only argument is an object with
+the following properties:
+
+* `line`: The line number in the generated source.  Line numbers in
+  this library are 1-based (note that the underlying source map
+  specification uses 0-based line numbers -- this library handles the
+  translation).
+
+* `column`: The column number in the generated source.  Column numbers
+  in this library are 0-based.
+
+* `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
+  `SourceMapConsumer.LEAST_UPPER_BOUND`. Specifies whether to return the closest
+  element that is smaller than or greater than the one we are searching for,
+  respectively, if the exact element cannot be found.  Defaults to
+  `SourceMapConsumer.GREATEST_LOWER_BOUND`.
+
+and an object is returned with the following properties:
+
+* `source`: The original source file, or null if this information is not
+  available.
+
+* `line`: The line number in the original source, or null if this information is
+  not available.  The line number is 1-based.
+
+* `column`: The column number in the original source, or null if this
+  information is not available.  The column number is 0-based.
+
+* `name`: The original identifier, or null if this information is not available.
+
+```js
+consumer.originalPositionFor({ line: 2, column: 10 })
+// { source: 'foo.coffee',
+//   line: 2,
+//   column: 2,
+//   name: null }
+
+consumer.originalPositionFor({ line: 99999999999999999, column: 999999999999999 })
+// { source: null,
+//   line: null,
+//   column: null,
+//   name: null }
+```
+
+#### SourceMapConsumer.prototype.generatedPositionFor(originalPosition)
+
+Returns the generated line and column information for the original source,
+line, and column positions provided. The only argument is an object with
+the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: The column number in the original source.  The column
+  number is 0-based.
+
+and an object is returned with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.generatedPositionFor({ source: "example.js", line: 2, column: 10 })
+// { line: 1,
+//   column: 56 }
+```
+
+#### SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)
+
+Returns all generated line and column information for the original source, line,
+and column provided. If no column is provided, returns all mappings
+corresponding to a either the line we are searching for or the next closest line
+that has any mappings. Otherwise, returns all mappings corresponding to the
+given line and either the column we are searching for or the next closest column
+that has any offsets.
+
+The only argument is an object with the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: Optional. The column number in the original source.  The
+  column number is 0-based.
+
+and an array of objects is returned, each with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.allGeneratedpositionsfor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+```
+
+#### SourceMapConsumer.prototype.hasContentsOfAllSources()
+
+Return true if we have the embedded source content for every source listed in
+the source map, false otherwise.
+
+In other words, if this method returns `true`, then
+`consumer.sourceContentFor(s)` will succeed for every source `s` in
+`consumer.sources`.
+
+```js
+// ...
+if (consumer.hasContentsOfAllSources()) {
+  consumerReadyCallback(consumer);
+} else {
+  fetchSources(consumer, consumerReadyCallback);
+}
+// ...
+```
+
+#### SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])
+
+Returns the original source content for the source provided. The only
+argument is the URL of the original source file.
+
+If the source content for the given source is not found, then an error is
+thrown. Optionally, pass `true` as the second param to have `null` returned
+instead.
+
+```js
+consumer.sources
+// [ "my-cool-lib.clj" ]
+
+consumer.sourceContentFor("my-cool-lib.clj")
+// "..."
+
+consumer.sourceContentFor("this is not in the source map");
+// Error: "this is not in the source map" is not in the source map
+
+consumer.sourceContentFor("this is not in the source map", true);
+// null
+```
+
+#### SourceMapConsumer.prototype.eachMapping(callback, context, order)
+
+Iterate over each mapping between an original source/line/column and a
+generated line/column in this source map.
+
+* `callback`: The function that is called with each mapping. Mappings have the
+  form `{ source, generatedLine, generatedColumn, originalLine, originalColumn,
+  name }`
+
+* `context`: Optional. If specified, this object will be the value of `this`
+  every time that `callback` is called.
+
+* `order`: Either `SourceMapConsumer.GENERATED_ORDER` or
+  `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to iterate over
+  the mappings sorted by the generated file's line/column order or the
+  original's source/line/column order, respectively. Defaults to
+  `SourceMapConsumer.GENERATED_ORDER`.
+
+```js
+consumer.eachMapping(function (m) { console.log(m); })
+// ...
+// { source: 'illmatic.js',
+//   generatedLine: 1,
+//   generatedColumn: 0,
+//   originalLine: 1,
+//   originalColumn: 0,
+//   name: null }
+// { source: 'illmatic.js',
+//   generatedLine: 2,
+//   generatedColumn: 0,
+//   originalLine: 2,
+//   originalColumn: 0,
+//   name: null }
+// ...
+```
+### SourceMapGenerator
+
+An instance of the SourceMapGenerator represents a source map which is being
+built incrementally.
+
+#### new SourceMapGenerator([startOfSourceMap])
+
+You may pass an object with the following properties:
+
+* `file`: The filename of the generated source that this source map is
+  associated with.
+
+* `sourceRoot`: A root for all relative URLs in this source map.
+
+* `skipValidation`: Optional. When `true`, disables validation of mappings as
+  they are added. This can improve performance but should be used with
+  discretion, as a last resort. Even then, one should avoid using this flag when
+  running tests, if possible.
+
+```js
+var generator = new sourceMap.SourceMapGenerator({
+  file: "my-generated-javascript-file.js",
+  sourceRoot: "http://example.com/app/js/"
+});
+```
+
+#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
+
+Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.
+
+* `sourceMapConsumer` The SourceMap.
+
+```js
+var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
+```
+
+#### SourceMapGenerator.prototype.addMapping(mapping)
+
+Add a single mapping from original source line and column to the generated
+source's line and column for this source map being created. The mapping object
+should have the following properties:
+
+* `generated`: An object with the generated line and column positions.
+
+* `original`: An object with the original line and column positions.
+
+* `source`: The original source file (relative to the sourceRoot).
+
+* `name`: An optional original token name for this mapping.
+
+```js
+generator.addMapping({
+  source: "module-one.scm",
+  original: { line: 128, column: 0 },
+  generated: { line: 3, column: 456 }
+})
+```
+
+#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for an original source file.
+
+* `sourceFile` the URL of the original source file.
+
+* `sourceContent` the content of the source file.
+
+```js
+generator.setSourceContent("module-one.scm",
+                           fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])
+
+Applies a SourceMap for a source file to the SourceMap.
+Each mapping to the supplied source file is rewritten using the
+supplied SourceMap. Note: The resolution for the resulting mappings
+is the minimum of this map and the supplied map.
+
+* `sourceMapConsumer`: The SourceMap to be applied.
+
+* `sourceFile`: Optional. The filename of the source file.
+  If omitted, sourceMapConsumer.file will be used, if it exists.
+  Otherwise an error will be thrown.
+
+* `sourceMapPath`: Optional. The dirname of the path to the SourceMap
+  to be applied. If relative, it is relative to the SourceMap.
+
+  This parameter is needed when the two SourceMaps aren't in the same
+  directory, and the SourceMap to be applied contains relative source
+  paths. If so, those relative source paths need to be rewritten
+  relative to the SourceMap.
+
+  If omitted, it is assumed that both SourceMaps are in the same directory,
+  thus not needing any rewriting. (Supplying `'.'` has the same effect.)
+
+#### SourceMapGenerator.prototype.toString()
+
+Renders the source map being generated to a string.
+
+```js
+generator.toString()
+// '{"version":3,"sources":["module-one.scm"],"names":[],"mappings":"...snip...","file":"my-generated-javascript-file.js","sourceRoot":"http://example.com/app/js/"}'
+```
+
+### SourceNode
+
+SourceNodes provide a way to abstract over interpolating and/or concatenating
+snippets of generated JavaScript source code, while maintaining the line and
+column information associated between those snippets and the original source
+code. This is useful as the final intermediate representation a compiler might
+use before outputting the generated JS and source map.
+
+#### new SourceNode([line, column, source[, chunk[, name]]])
+
+* `line`: The original line number associated with this source node, or null if
+  it isn't associated with an original line.  The line number is 1-based.
+
+* `column`: The original column number associated with this source node, or null
+  if it isn't associated with an original column.  The column number
+  is 0-based.
+
+* `source`: The original source's filename; null if no filename is provided.
+
+* `chunk`: Optional. Is immediately passed to `SourceNode.prototype.add`, see
+  below.
+
+* `name`: Optional. The original identifier.
+
+```js
+var node = new SourceNode(1, 2, "a.cpp", [
+  new SourceNode(3, 4, "b.cpp", "extern int status;\n"),
+  new SourceNode(5, 6, "c.cpp", "std::string* make_string(size_t n);\n"),
+  new SourceNode(7, 8, "d.cpp", "int main(int argc, char** argv) {}\n"),
+]);
+```
+
+#### SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])
+
+Creates a SourceNode from generated code and a SourceMapConsumer.
+
+* `code`: The generated code
+
+* `sourceMapConsumer` The SourceMap for the generated code
+
+* `relativePath` The optional path that relative sources in `sourceMapConsumer`
+  should be relative to.
+
+```js
+var consumer = new SourceMapConsumer(fs.readFileSync("path/to/my-file.js.map", "utf8"));
+var node = SourceNode.fromStringWithSourceMap(fs.readFileSync("path/to/my-file.js"),
+                                              consumer);
+```
+
+#### SourceNode.prototype.add(chunk)
+
+Add a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.add(" + ");
+node.add(otherNode);
+node.add([leftHandOperandNode, " + ", rightHandOperandNode]);
+```
+
+#### SourceNode.prototype.prepend(chunk)
+
+Prepend a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.prepend("/** Build Id: f783haef86324gf **/\n\n");
+```
+
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
+```js
+node.setSourceContent("module-one.scm",
+                      fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceNode.prototype.walk(fn)
+
+Walk over the tree of JS snippets in this node and its children. The walking
+function is called once for each snippet of JS and is passed that snippet and
+the its original associated source's line/column location.
+
+* `fn`: The traversal function.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.walk(function (code, loc) { console.log("WALK:", code, loc); })
+// WALK: uno { source: 'b.js', line: 3, column: 4, name: null }
+// WALK: dos { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: tres { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: quatro { source: 'c.js', line: 5, column: 6, name: null }
+```
+
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
+```js
+var a = new SourceNode(1, 2, "a.js", "generated from a");
+a.setSourceContent("a.js", "original a");
+var b = new SourceNode(1, 2, "b.js", "generated from b");
+b.setSourceContent("b.js", "original b");
+var c = new SourceNode(1, 2, "c.js", "generated from c");
+c.setSourceContent("c.js", "original c");
+
+var node = new SourceNode(null, null, null, [a, b, c]);
+node.walkSourceContents(function (source, contents) { console.log("WALK:", source, ":", contents); })
+// WALK: a.js : original a
+// WALK: b.js : original b
+// WALK: c.js : original c
+```
+
+#### SourceNode.prototype.join(sep)
+
+Like `Array.prototype.join` except for SourceNodes. Inserts the separator
+between each of this source node's children.
+
+* `sep`: The separator.
+
+```js
+var lhs = new SourceNode(1, 2, "a.rs", "my_copy");
+var operand = new SourceNode(3, 4, "a.rs", "=");
+var rhs = new SourceNode(5, 6, "a.rs", "orig.clone()");
+
+var node = new SourceNode(null, null, null, [ lhs, operand, rhs ]);
+var joinedNode = node.join(" ");
+```
+
+#### SourceNode.prototype.replaceRight(pattern, replacement)
+
+Call `String.prototype.replace` on the very right-most source snippet. Useful
+for trimming white space from the end of a source node, etc.
+
+* `pattern`: The pattern to replace.
+
+* `replacement`: The thing to replace the pattern with.
+
+```js
+// Trim trailing white space.
+node.replaceRight(/\s*$/, "");
+```
+
+#### SourceNode.prototype.toString()
+
+Return the string representation of this source node. Walks over the tree and
+concatenates all the various snippets together to one string.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toString()
+// 'unodostresquatro'
+```
+
+#### SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])
+
+Returns the string representation of this tree of source nodes, plus a
+SourceMapGenerator which contains all the mappings between the generated and
+original sources.
+
+The arguments are the same as those to `new SourceMapGenerator`.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toStringWithSourceMap({ file: "my-output-file.js" })
+// { code: 'unodostresquatro',
+//   map: [object SourceMapGenerator] }
+```
diff --git a/node_modules/terser/node_modules/source-map/lib/array-set.js b/node_modules/terser/node_modules/source-map/lib/array-set.js
new file mode 100644
index 00000000..fbd5c81c
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/array-set.js
@@ -0,0 +1,121 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
diff --git a/node_modules/terser/node_modules/source-map/lib/base64-vlq.js b/node_modules/terser/node_modules/source-map/lib/base64-vlq.js
new file mode 100644
index 00000000..612b4040
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/base64-vlq.js
@@ -0,0 +1,140 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
diff --git a/node_modules/terser/node_modules/source-map/lib/base64.js b/node_modules/terser/node_modules/source-map/lib/base64.js
new file mode 100644
index 00000000..8aa86b30
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/base64.js
@@ -0,0 +1,67 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
diff --git a/node_modules/terser/node_modules/source-map/lib/binary-search.js b/node_modules/terser/node_modules/source-map/lib/binary-search.js
new file mode 100644
index 00000000..010ac941
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/binary-search.js
@@ -0,0 +1,111 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+exports.GREATEST_LOWER_BOUND = 1;
+exports.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Recursive implementation of binary search.
+ *
+ * @param aLow Indices here and lower do not contain the needle.
+ * @param aHigh Indices here and higher do not contain the needle.
+ * @param aNeedle The element being searched for.
+ * @param aHaystack The non-empty array being searched.
+ * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ */
+function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
+  // This function terminates when one of the following is true:
+  //
+  //   1. We find the exact element we are looking for.
+  //
+  //   2. We did not find the exact element, but we can return the index of
+  //      the next-closest element.
+  //
+  //   3. We did not find the exact element, and there is no next-closest
+  //      element than the one we are searching for, so we return -1.
+  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+  var cmp = aCompare(aNeedle, aHaystack[mid], true);
+  if (cmp === 0) {
+    // Found the element we are looking for.
+    return mid;
+  }
+  else if (cmp > 0) {
+    // Our needle is greater than aHaystack[mid].
+    if (aHigh - mid > 1) {
+      // The element is in the upper half.
+      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // The exact needle element was not found in this haystack. Determine if
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return aHigh < aHaystack.length ? aHigh : -1;
+    } else {
+      return mid;
+    }
+  }
+  else {
+    // Our needle is less than aHaystack[mid].
+    if (mid - aLow > 1) {
+      // The element is in the lower half.
+      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return mid;
+    } else {
+      return aLow < 0 ? -1 : aLow;
+    }
+  }
+}
+
+/**
+ * This is an implementation of binary search which will always try and return
+ * the index of the closest element if there is no exact hit. This is because
+ * mappings between original and generated line/col pairs are single points,
+ * and there is an implicit region between each of them, so a miss just means
+ * that you aren't on the very start of a region.
+ *
+ * @param aNeedle The element you are looking for.
+ * @param aHaystack The array that is being searched.
+ * @param aCompare A function which takes the needle and an element in the
+ *     array and returns -1, 0, or 1 depending on whether the needle is less
+ *     than, equal to, or greater than the element, respectively.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
+ */
+exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
+  if (aHaystack.length === 0) {
+    return -1;
+  }
+
+  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
+  if (index < 0) {
+    return -1;
+  }
+
+  // We have found either the exact element, or the next-closest element than
+  // the one we are searching for. However, there may be more than one such
+  // element. Make sure we always return the smallest of these.
+  while (index - 1 >= 0) {
+    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
+      break;
+    }
+    --index;
+  }
+
+  return index;
+};
diff --git a/node_modules/terser/node_modules/source-map/lib/mapping-list.js b/node_modules/terser/node_modules/source-map/lib/mapping-list.js
new file mode 100644
index 00000000..06d1274a
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/mapping-list.js
@@ -0,0 +1,79 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
diff --git a/node_modules/terser/node_modules/source-map/lib/quick-sort.js b/node_modules/terser/node_modules/source-map/lib/quick-sort.js
new file mode 100644
index 00000000..6a7caadb
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/quick-sort.js
@@ -0,0 +1,114 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+// It turns out that some (most?) JavaScript engines don't self-host
+// `Array.prototype.sort`. This makes sense because C++ will likely remain
+// faster than JS when doing raw CPU-intensive sorting. However, when using a
+// custom comparator function, calling back and forth between the VM's C++ and
+// JIT'd JS is rather slow *and* loses JIT type information, resulting in
+// worse generated code for the comparator function than would be optimal. In
+// fact, when sorting with a comparator, these costs outweigh the benefits of
+// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+// a ~3500ms mean speed-up in `bench/bench.html`.
+
+/**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ *        The array.
+ * @param {Number} x
+ *        The index of the first item.
+ * @param {Number} y
+ *        The index of the second item.
+ */
+function swap(ary, x, y) {
+  var temp = ary[x];
+  ary[x] = ary[y];
+  ary[y] = temp;
+}
+
+/**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ *        The lower bound on the range.
+ * @param {Number} high
+ *        The upper bound on the range.
+ */
+function randomIntInRange(low, high) {
+  return Math.round(low + (Math.random() * (high - low)));
+}
+
+/**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ * @param {Number} p
+ *        Start index of the array
+ * @param {Number} r
+ *        End index of the array
+ */
+function doQuickSort(ary, comparator, p, r) {
+  // If our lower bound is less than our upper bound, we (1) partition the
+  // array into two pieces and (2) recurse on each half. If it is not, this is
+  // the empty array and our base case.
+
+  if (p < r) {
+    // (1) Partitioning.
+    //
+    // The partitioning chooses a pivot between `p` and `r` and moves all
+    // elements that are less than or equal to the pivot to the before it, and
+    // all the elements that are greater than it after it. The effect is that
+    // once partition is done, the pivot is in the exact place it will be when
+    // the array is put in sorted order, and it will not need to be moved
+    // again. This runs in O(n) time.
+
+    // Always choose a random pivot so that an input array which is reverse
+    // sorted does not cause O(n^2) running time.
+    var pivotIndex = randomIntInRange(p, r);
+    var i = p - 1;
+
+    swap(ary, pivotIndex, r);
+    var pivot = ary[r];
+
+    // Immediately after `j` is incremented in this loop, the following hold
+    // true:
+    //
+    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
+    //
+    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+    for (var j = p; j < r; j++) {
+      if (comparator(ary[j], pivot) <= 0) {
+        i += 1;
+        swap(ary, i, j);
+      }
+    }
+
+    swap(ary, i + 1, j);
+    var q = i + 1;
+
+    // (2) Recurse on each half.
+
+    doQuickSort(ary, comparator, p, q - 1);
+    doQuickSort(ary, comparator, q + 1, r);
+  }
+}
+
+/**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ */
+exports.quickSort = function (ary, comparator) {
+  doQuickSort(ary, comparator, 0, ary.length - 1);
+};
diff --git a/node_modules/terser/node_modules/source-map/lib/source-map-consumer.js b/node_modules/terser/node_modules/source-map/lib/source-map-consumer.js
new file mode 100644
index 00000000..7b99d1da
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/source-map-consumer.js
@@ -0,0 +1,1145 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var binarySearch = require('./binary-search');
+var ArraySet = require('./array-set').ArraySet;
+var base64VLQ = require('./base64-vlq');
+var quickSort = require('./quick-sort').quickSort;
+
+function SourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  return sourceMap.sections != null
+    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
+    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
+}
+
+SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) {
+  return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL);
+}
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+SourceMapConsumer.prototype._version = 3;
+
+// `__generatedMappings` and `__originalMappings` are arrays that hold the
+// parsed mapping coordinates from the source map's "mappings" attribute. They
+// are lazily instantiated, accessed via the `_generatedMappings` and
+// `_originalMappings` getters respectively, and we only parse the mappings
+// and create these arrays once queried for a source location. We jump through
+// these hoops because there can be many thousands of mappings, and parsing
+// them is expensive, so we only want to do it if we must.
+//
+// Each object in the arrays is of the form:
+//
+//     {
+//       generatedLine: The line number in the generated code,
+//       generatedColumn: The column number in the generated code,
+//       source: The path to the original source file that generated this
+//               chunk of code,
+//       originalLine: The line number in the original source that
+//                     corresponds to this chunk of generated code,
+//       originalColumn: The column number in the original source that
+//                       corresponds to this chunk of generated code,
+//       name: The name of the original symbol which generated this chunk of
+//             code.
+//     }
+//
+// All properties except for `generatedLine` and `generatedColumn` can be
+// `null`.
+//
+// `_generatedMappings` is ordered by the generated positions.
+//
+// `_originalMappings` is ordered by the original positions.
+
+SourceMapConsumer.prototype.__generatedMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__generatedMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__generatedMappings;
+  }
+});
+
+SourceMapConsumer.prototype.__originalMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__originalMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__originalMappings;
+  }
+});
+
+SourceMapConsumer.prototype._charIsMappingSeparator =
+  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
+    var c = aStr.charAt(index);
+    return c === ";" || c === ",";
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+SourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    throw new Error("Subclasses must implement _parseMappings");
+  };
+
+SourceMapConsumer.GENERATED_ORDER = 1;
+SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
+SourceMapConsumer.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Iterate over each mapping between an original source/line/column and a
+ * generated line/column in this source map.
+ *
+ * @param Function aCallback
+ *        The function that is called with each mapping.
+ * @param Object aContext
+ *        Optional. If specified, this object will be the value of `this` every
+ *        time that `aCallback` is called.
+ * @param aOrder
+ *        Either `SourceMapConsumer.GENERATED_ORDER` or
+ *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+ *        iterate over the mappings sorted by the generated file's line/column
+ *        order or the original's source/line/column order, respectively. Defaults to
+ *        `SourceMapConsumer.GENERATED_ORDER`.
+ */
+SourceMapConsumer.prototype.eachMapping =
+  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+    var context = aContext || null;
+    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+    var mappings;
+    switch (order) {
+    case SourceMapConsumer.GENERATED_ORDER:
+      mappings = this._generatedMappings;
+      break;
+    case SourceMapConsumer.ORIGINAL_ORDER:
+      mappings = this._originalMappings;
+      break;
+    default:
+      throw new Error("Unknown order of iteration.");
+    }
+
+    var sourceRoot = this.sourceRoot;
+    mappings.map(function (mapping) {
+      var source = mapping.source === null ? null : this._sources.at(mapping.source);
+      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
+      return {
+        source: source,
+        generatedLine: mapping.generatedLine,
+        generatedColumn: mapping.generatedColumn,
+        originalLine: mapping.originalLine,
+        originalColumn: mapping.originalColumn,
+        name: mapping.name === null ? null : this._names.at(mapping.name)
+      };
+    }, this).forEach(aCallback, context);
+  };
+
+/**
+ * Returns all generated line and column information for the original source,
+ * line, and column provided. If no column is provided, returns all mappings
+ * corresponding to a either the line we are searching for or the next
+ * closest line that has any mappings. Otherwise, returns all mappings
+ * corresponding to the given line and either the column we are searching for
+ * or the next closest column that has any offsets.
+ *
+ * The only argument is an object with the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number is 1-based.
+ *   - column: Optional. the column number in the original source.
+ *    The column number is 0-based.
+ *
+ * and an array of objects is returned, each with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *    line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *    The column number is 0-based.
+ */
+SourceMapConsumer.prototype.allGeneratedPositionsFor =
+  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
+    var line = util.getArg(aArgs, 'line');
+
+    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
+    // returns the index of the closest mapping less than the needle. By
+    // setting needle.originalColumn to 0, we thus find the last mapping for
+    // the given line, provided such a mapping exists.
+    var needle = {
+      source: util.getArg(aArgs, 'source'),
+      originalLine: line,
+      originalColumn: util.getArg(aArgs, 'column', 0)
+    };
+
+    needle.source = this._findSourceIndex(needle.source);
+    if (needle.source < 0) {
+      return [];
+    }
+
+    var mappings = [];
+
+    var index = this._findMapping(needle,
+                                  this._originalMappings,
+                                  "originalLine",
+                                  "originalColumn",
+                                  util.compareByOriginalPositions,
+                                  binarySearch.LEAST_UPPER_BOUND);
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (aArgs.column === undefined) {
+        var originalLine = mapping.originalLine;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we found. Since
+        // mappings are sorted, this is guaranteed to find all mappings for
+        // the line we found.
+        while (mapping && mapping.originalLine === originalLine) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      } else {
+        var originalColumn = mapping.originalColumn;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we were searching for.
+        // Since mappings are sorted, this is guaranteed to find all mappings for
+        // the line we are searching for.
+        while (mapping &&
+               mapping.originalLine === line &&
+               mapping.originalColumn == originalColumn) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      }
+    }
+
+    return mappings;
+  };
+
+exports.SourceMapConsumer = SourceMapConsumer;
+
+/**
+ * A BasicSourceMapConsumer instance represents a parsed source map which we can
+ * query for information about the original file positions by giving it a file
+ * position in the generated source.
+ *
+ * The first parameter is the raw source map (either as a JSON string, or
+ * already parsed to an object). According to the spec, source maps have the
+ * following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - sources: An array of URLs to the original source files.
+ *   - names: An array of identifiers which can be referrenced by individual mappings.
+ *   - sourceRoot: Optional. The URL root from which all sources are relative.
+ *   - sourcesContent: Optional. An array of contents of the original source files.
+ *   - mappings: A string of base64 VLQs which contain the actual mappings.
+ *   - file: Optional. The generated file this source map is associated with.
+ *
+ * Here is an example source map, taken from the source map spec[0]:
+ *
+ *     {
+ *       version : 3,
+ *       file: "out.js",
+ *       sourceRoot : "",
+ *       sources: ["foo.js", "bar.js"],
+ *       names: ["src", "maps", "are", "fun"],
+ *       mappings: "AA,AB;;ABCDE;"
+ *     }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+ */
+function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sources = util.getArg(sourceMap, 'sources');
+  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
+  // requires the array) to play nice here.
+  var names = util.getArg(sourceMap, 'names', []);
+  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
+  var mappings = util.getArg(sourceMap, 'mappings');
+  var file = util.getArg(sourceMap, 'file', null);
+
+  // Once again, Sass deviates from the spec and supplies the version as a
+  // string rather than a number, so we use loose equality checking here.
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  if (sourceRoot) {
+    sourceRoot = util.normalize(sourceRoot);
+  }
+
+  sources = sources
+    .map(String)
+    // Some source maps produce relative source paths like "./foo.js" instead of
+    // "foo.js".  Normalize these first so that future comparisons will succeed.
+    // See bugzil.la/1090768.
+    .map(util.normalize)
+    // Always ensure that absolute sources are internally stored relative to
+    // the source root, if the source root is absolute. Not doing this would
+    // be particularly problematic when the source root is a prefix of the
+    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
+    .map(function (source) {
+      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
+        ? util.relative(sourceRoot, source)
+        : source;
+    });
+
+  // Pass `true` below to allow duplicate names and sources. While source maps
+  // are intended to be compressed and deduplicated, the TypeScript compiler
+  // sometimes generates source maps with duplicates in them. See Github issue
+  // #72 and bugzil.la/889492.
+  this._names = ArraySet.fromArray(names.map(String), true);
+  this._sources = ArraySet.fromArray(sources, true);
+
+  this._absoluteSources = this._sources.toArray().map(function (s) {
+    return util.computeSourceURL(sourceRoot, s, aSourceMapURL);
+  });
+
+  this.sourceRoot = sourceRoot;
+  this.sourcesContent = sourcesContent;
+  this._mappings = mappings;
+  this._sourceMapURL = aSourceMapURL;
+  this.file = file;
+}
+
+BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
+
+/**
+ * Utility function to find the index of a source.  Returns -1 if not
+ * found.
+ */
+BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) {
+  var relativeSource = aSource;
+  if (this.sourceRoot != null) {
+    relativeSource = util.relative(this.sourceRoot, relativeSource);
+  }
+
+  if (this._sources.has(relativeSource)) {
+    return this._sources.indexOf(relativeSource);
+  }
+
+  // Maybe aSource is an absolute URL as returned by |sources|.  In
+  // this case we can't simply undo the transform.
+  var i;
+  for (i = 0; i < this._absoluteSources.length; ++i) {
+    if (this._absoluteSources[i] == aSource) {
+      return i;
+    }
+  }
+
+  return -1;
+};
+
+/**
+ * Create a BasicSourceMapConsumer from a SourceMapGenerator.
+ *
+ * @param SourceMapGenerator aSourceMap
+ *        The source map that will be consumed.
+ * @param String aSourceMapURL
+ *        The URL at which the source map can be found (optional)
+ * @returns BasicSourceMapConsumer
+ */
+BasicSourceMapConsumer.fromSourceMap =
+  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
+    var smc = Object.create(BasicSourceMapConsumer.prototype);
+
+    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
+    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
+    smc.sourceRoot = aSourceMap._sourceRoot;
+    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
+                                                            smc.sourceRoot);
+    smc.file = aSourceMap._file;
+    smc._sourceMapURL = aSourceMapURL;
+    smc._absoluteSources = smc._sources.toArray().map(function (s) {
+      return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL);
+    });
+
+    // Because we are modifying the entries (by converting string sources and
+    // names to indices into the sources and names ArraySets), we have to make
+    // a copy of the entry or else bad things happen. Shared mutable state
+    // strikes again! See github issue #191.
+
+    var generatedMappings = aSourceMap._mappings.toArray().slice();
+    var destGeneratedMappings = smc.__generatedMappings = [];
+    var destOriginalMappings = smc.__originalMappings = [];
+
+    for (var i = 0, length = generatedMappings.length; i < length; i++) {
+      var srcMapping = generatedMappings[i];
+      var destMapping = new Mapping;
+      destMapping.generatedLine = srcMapping.generatedLine;
+      destMapping.generatedColumn = srcMapping.generatedColumn;
+
+      if (srcMapping.source) {
+        destMapping.source = sources.indexOf(srcMapping.source);
+        destMapping.originalLine = srcMapping.originalLine;
+        destMapping.originalColumn = srcMapping.originalColumn;
+
+        if (srcMapping.name) {
+          destMapping.name = names.indexOf(srcMapping.name);
+        }
+
+        destOriginalMappings.push(destMapping);
+      }
+
+      destGeneratedMappings.push(destMapping);
+    }
+
+    quickSort(smc.__originalMappings, util.compareByOriginalPositions);
+
+    return smc;
+  };
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+BasicSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    return this._absoluteSources.slice();
+  }
+});
+
+/**
+ * Provide the JIT with a nice shape / hidden class.
+ */
+function Mapping() {
+  this.generatedLine = 0;
+  this.generatedColumn = 0;
+  this.source = null;
+  this.originalLine = null;
+  this.originalColumn = null;
+  this.name = null;
+}
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+BasicSourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    var generatedLine = 1;
+    var previousGeneratedColumn = 0;
+    var previousOriginalLine = 0;
+    var previousOriginalColumn = 0;
+    var previousSource = 0;
+    var previousName = 0;
+    var length = aStr.length;
+    var index = 0;
+    var cachedSegments = {};
+    var temp = {};
+    var originalMappings = [];
+    var generatedMappings = [];
+    var mapping, str, segment, end, value;
+
+    while (index < length) {
+      if (aStr.charAt(index) === ';') {
+        generatedLine++;
+        index++;
+        previousGeneratedColumn = 0;
+      }
+      else if (aStr.charAt(index) === ',') {
+        index++;
+      }
+      else {
+        mapping = new Mapping();
+        mapping.generatedLine = generatedLine;
+
+        // Because each offset is encoded relative to the previous one,
+        // many segments often have the same encoding. We can exploit this
+        // fact by caching the parsed variable length fields of each segment,
+        // allowing us to avoid a second parse if we encounter the same
+        // segment again.
+        for (end = index; end < length; end++) {
+          if (this._charIsMappingSeparator(aStr, end)) {
+            break;
+          }
+        }
+        str = aStr.slice(index, end);
+
+        segment = cachedSegments[str];
+        if (segment) {
+          index += str.length;
+        } else {
+          segment = [];
+          while (index < end) {
+            base64VLQ.decode(aStr, index, temp);
+            value = temp.value;
+            index = temp.rest;
+            segment.push(value);
+          }
+
+          if (segment.length === 2) {
+            throw new Error('Found a source, but no line and column');
+          }
+
+          if (segment.length === 3) {
+            throw new Error('Found a source and line, but no column');
+          }
+
+          cachedSegments[str] = segment;
+        }
+
+        // Generated column.
+        mapping.generatedColumn = previousGeneratedColumn + segment[0];
+        previousGeneratedColumn = mapping.generatedColumn;
+
+        if (segment.length > 1) {
+          // Original source.
+          mapping.source = previousSource + segment[1];
+          previousSource += segment[1];
+
+          // Original line.
+          mapping.originalLine = previousOriginalLine + segment[2];
+          previousOriginalLine = mapping.originalLine;
+          // Lines are stored 0-based
+          mapping.originalLine += 1;
+
+          // Original column.
+          mapping.originalColumn = previousOriginalColumn + segment[3];
+          previousOriginalColumn = mapping.originalColumn;
+
+          if (segment.length > 4) {
+            // Original name.
+            mapping.name = previousName + segment[4];
+            previousName += segment[4];
+          }
+        }
+
+        generatedMappings.push(mapping);
+        if (typeof mapping.originalLine === 'number') {
+          originalMappings.push(mapping);
+        }
+      }
+    }
+
+    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
+    this.__generatedMappings = generatedMappings;
+
+    quickSort(originalMappings, util.compareByOriginalPositions);
+    this.__originalMappings = originalMappings;
+  };
+
+/**
+ * Find the mapping that best matches the hypothetical "needle" mapping that
+ * we are searching for in the given "haystack" of mappings.
+ */
+BasicSourceMapConsumer.prototype._findMapping =
+  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                         aColumnName, aComparator, aBias) {
+    // To return the position we are searching for, we must first find the
+    // mapping for the given position and then return the opposite position it
+    // points to. Because the mappings are sorted, we can use binary search to
+    // find the best mapping.
+
+    if (aNeedle[aLineName] <= 0) {
+      throw new TypeError('Line must be greater than or equal to 1, got '
+                          + aNeedle[aLineName]);
+    }
+    if (aNeedle[aColumnName] < 0) {
+      throw new TypeError('Column must be greater than or equal to 0, got '
+                          + aNeedle[aColumnName]);
+    }
+
+    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
+  };
+
+/**
+ * Compute the last column for each generated mapping. The last column is
+ * inclusive.
+ */
+BasicSourceMapConsumer.prototype.computeColumnSpans =
+  function SourceMapConsumer_computeColumnSpans() {
+    for (var index = 0; index < this._generatedMappings.length; ++index) {
+      var mapping = this._generatedMappings[index];
+
+      // Mappings do not contain a field for the last generated columnt. We
+      // can come up with an optimistic estimate, however, by assuming that
+      // mappings are contiguous (i.e. given two consecutive mappings, the
+      // first mapping ends where the second one starts).
+      if (index + 1 < this._generatedMappings.length) {
+        var nextMapping = this._generatedMappings[index + 1];
+
+        if (mapping.generatedLine === nextMapping.generatedLine) {
+          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
+          continue;
+        }
+      }
+
+      // The last mapping for each line spans the entire line.
+      mapping.lastGeneratedColumn = Infinity;
+    }
+  };
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+BasicSourceMapConsumer.prototype.originalPositionFor =
+  function SourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._generatedMappings,
+      "generatedLine",
+      "generatedColumn",
+      util.compareByGeneratedPositionsDeflated,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._generatedMappings[index];
+
+      if (mapping.generatedLine === needle.generatedLine) {
+        var source = util.getArg(mapping, 'source', null);
+        if (source !== null) {
+          source = this._sources.at(source);
+          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
+        }
+        var name = util.getArg(mapping, 'name', null);
+        if (name !== null) {
+          name = this._names.at(name);
+        }
+        return {
+          source: source,
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: name
+        };
+      }
+    }
+
+    return {
+      source: null,
+      line: null,
+      column: null,
+      name: null
+    };
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function BasicSourceMapConsumer_hasContentsOfAllSources() {
+    if (!this.sourcesContent) {
+      return false;
+    }
+    return this.sourcesContent.length >= this._sources.size() &&
+      !this.sourcesContent.some(function (sc) { return sc == null; });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+BasicSourceMapConsumer.prototype.sourceContentFor =
+  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    if (!this.sourcesContent) {
+      return null;
+    }
+
+    var index = this._findSourceIndex(aSource);
+    if (index >= 0) {
+      return this.sourcesContent[index];
+    }
+
+    var relativeSource = aSource;
+    if (this.sourceRoot != null) {
+      relativeSource = util.relative(this.sourceRoot, relativeSource);
+    }
+
+    var url;
+    if (this.sourceRoot != null
+        && (url = util.urlParse(this.sourceRoot))) {
+      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
+      // many users. We can help them out when they expect file:// URIs to
+      // behave like it would if they were running a local HTTP server. See
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
+      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
+      if (url.scheme == "file"
+          && this._sources.has(fileUriAbsPath)) {
+        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
+      }
+
+      if ((!url.path || url.path == "/")
+          && this._sources.has("/" + relativeSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
+      }
+    }
+
+    // This function is used recursively from
+    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
+    // don't want to throw if we can't find the source - we just want to
+    // return null, so we provide a flag to exit gracefully.
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+BasicSourceMapConsumer.prototype.generatedPositionFor =
+  function SourceMapConsumer_generatedPositionFor(aArgs) {
+    var source = util.getArg(aArgs, 'source');
+    source = this._findSourceIndex(source);
+    if (source < 0) {
+      return {
+        line: null,
+        column: null,
+        lastColumn: null
+      };
+    }
+
+    var needle = {
+      source: source,
+      originalLine: util.getArg(aArgs, 'line'),
+      originalColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._originalMappings,
+      "originalLine",
+      "originalColumn",
+      util.compareByOriginalPositions,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (mapping.source === needle.source) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null),
+          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+        };
+      }
+    }
+
+    return {
+      line: null,
+      column: null,
+      lastColumn: null
+    };
+  };
+
+exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
+
+/**
+ * An IndexedSourceMapConsumer instance represents a parsed source map which
+ * we can query for information. It differs from BasicSourceMapConsumer in
+ * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
+ * input.
+ *
+ * The first parameter is a raw source map (either as a JSON string, or already
+ * parsed to an object). According to the spec for indexed source maps, they
+ * have the following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - file: Optional. The generated file this source map is associated with.
+ *   - sections: A list of section definitions.
+ *
+ * Each value under the "sections" field has two fields:
+ *   - offset: The offset into the original specified at which this section
+ *       begins to apply, defined as an object with a "line" and "column"
+ *       field.
+ *   - map: A source map definition. This source map could also be indexed,
+ *       but doesn't have to be.
+ *
+ * Instead of the "map" field, it's also possible to have a "url" field
+ * specifying a URL to retrieve a source map from, but that's currently
+ * unsupported.
+ *
+ * Here's an example source map, taken from the source map spec[0], but
+ * modified to omit a section which uses the "url" field.
+ *
+ *  {
+ *    version : 3,
+ *    file: "app.js",
+ *    sections: [{
+ *      offset: {line:100, column:10},
+ *      map: {
+ *        version : 3,
+ *        file: "section.js",
+ *        sources: ["foo.js", "bar.js"],
+ *        names: ["src", "maps", "are", "fun"],
+ *        mappings: "AAAA,E;;ABCDE;"
+ *      }
+ *    }],
+ *  }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
+ */
+function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sections = util.getArg(sourceMap, 'sections');
+
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+
+  var lastOffset = {
+    line: -1,
+    column: 0
+  };
+  this._sections = sections.map(function (s) {
+    if (s.url) {
+      // The url field will require support for asynchronicity.
+      // See https://github.com/mozilla/source-map/issues/16
+      throw new Error('Support for url field in sections not implemented.');
+    }
+    var offset = util.getArg(s, 'offset');
+    var offsetLine = util.getArg(offset, 'line');
+    var offsetColumn = util.getArg(offset, 'column');
+
+    if (offsetLine < lastOffset.line ||
+        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
+      throw new Error('Section offsets must be ordered and non-overlapping.');
+    }
+    lastOffset = offset;
+
+    return {
+      generatedOffset: {
+        // The offset fields are 0-based, but we use 1-based indices when
+        // encoding/decoding from VLQ.
+        generatedLine: offsetLine + 1,
+        generatedColumn: offsetColumn + 1
+      },
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
+    }
+  });
+}
+
+IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+IndexedSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    var sources = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
+        sources.push(this._sections[i].consumer.sources[j]);
+      }
+    }
+    return sources;
+  }
+});
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+IndexedSourceMapConsumer.prototype.originalPositionFor =
+  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    // Find the section containing the generated position we're trying to map
+    // to an original position.
+    var sectionIndex = binarySearch.search(needle, this._sections,
+      function(needle, section) {
+        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
+        if (cmp) {
+          return cmp;
+        }
+
+        return (needle.generatedColumn -
+                section.generatedOffset.generatedColumn);
+      });
+    var section = this._sections[sectionIndex];
+
+    if (!section) {
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    }
+
+    return section.consumer.originalPositionFor({
+      line: needle.generatedLine -
+        (section.generatedOffset.generatedLine - 1),
+      column: needle.generatedColumn -
+        (section.generatedOffset.generatedLine === needle.generatedLine
+         ? section.generatedOffset.generatedColumn - 1
+         : 0),
+      bias: aArgs.bias
+    });
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
+    return this._sections.every(function (s) {
+      return s.consumer.hasContentsOfAllSources();
+    });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+IndexedSourceMapConsumer.prototype.sourceContentFor =
+  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      var content = section.consumer.sourceContentFor(aSource, true);
+      if (content) {
+        return content;
+      }
+    }
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based. 
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+IndexedSourceMapConsumer.prototype.generatedPositionFor =
+  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      // Only consider this section if the requested source is in the list of
+      // sources of the consumer.
+      if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) {
+        continue;
+      }
+      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
+      if (generatedPosition) {
+        var ret = {
+          line: generatedPosition.line +
+            (section.generatedOffset.generatedLine - 1),
+          column: generatedPosition.column +
+            (section.generatedOffset.generatedLine === generatedPosition.line
+             ? section.generatedOffset.generatedColumn - 1
+             : 0)
+        };
+        return ret;
+      }
+    }
+
+    return {
+      line: null,
+      column: null
+    };
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+IndexedSourceMapConsumer.prototype._parseMappings =
+  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    this.__generatedMappings = [];
+    this.__originalMappings = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+      var sectionMappings = section.consumer._generatedMappings;
+      for (var j = 0; j < sectionMappings.length; j++) {
+        var mapping = sectionMappings[j];
+
+        var source = section.consumer._sources.at(mapping.source);
+        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
+        this._sources.add(source);
+        source = this._sources.indexOf(source);
+
+        var name = null;
+        if (mapping.name) {
+          name = section.consumer._names.at(mapping.name);
+          this._names.add(name);
+          name = this._names.indexOf(name);
+        }
+
+        // The mappings coming from the consumer for the section have
+        // generated positions relative to the start of the section, so we
+        // need to offset them to be relative to the start of the concatenated
+        // generated file.
+        var adjustedMapping = {
+          source: source,
+          generatedLine: mapping.generatedLine +
+            (section.generatedOffset.generatedLine - 1),
+          generatedColumn: mapping.generatedColumn +
+            (section.generatedOffset.generatedLine === mapping.generatedLine
+            ? section.generatedOffset.generatedColumn - 1
+            : 0),
+          originalLine: mapping.originalLine,
+          originalColumn: mapping.originalColumn,
+          name: name
+        };
+
+        this.__generatedMappings.push(adjustedMapping);
+        if (typeof adjustedMapping.originalLine === 'number') {
+          this.__originalMappings.push(adjustedMapping);
+        }
+      }
+    }
+
+    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
+    quickSort(this.__originalMappings, util.compareByOriginalPositions);
+  };
+
+exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
diff --git a/node_modules/terser/node_modules/source-map/lib/source-map-generator.js b/node_modules/terser/node_modules/source-map/lib/source-map-generator.js
new file mode 100644
index 00000000..508bcfbb
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/source-map-generator.js
@@ -0,0 +1,425 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
diff --git a/node_modules/terser/node_modules/source-map/lib/source-node.js b/node_modules/terser/node_modules/source-map/lib/source-node.js
new file mode 100644
index 00000000..8bcdbe38
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/source-node.js
@@ -0,0 +1,413 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+var util = require('./util');
+
+// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
+// operating systems these days (capturing the result).
+var REGEX_NEWLINE = /(\r?\n)/;
+
+// Newline character code for charCodeAt() comparisons
+var NEWLINE_CODE = 10;
+
+// Private symbol for identifying `SourceNode`s when multiple versions of
+// the source-map library are loaded. This MUST NOT CHANGE across
+// versions!
+var isSourceNode = "$$$isSourceNode$$$";
+
+/**
+ * SourceNodes provide a way to abstract over interpolating/concatenating
+ * snippets of generated JavaScript source code while maintaining the line and
+ * column information associated with the original source code.
+ *
+ * @param aLine The original line number.
+ * @param aColumn The original column number.
+ * @param aSource The original source's filename.
+ * @param aChunks Optional. An array of strings which are snippets of
+ *        generated JS, or other SourceNodes.
+ * @param aName The original identifier.
+ */
+function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
+  this.children = [];
+  this.sourceContents = {};
+  this.line = aLine == null ? null : aLine;
+  this.column = aColumn == null ? null : aColumn;
+  this.source = aSource == null ? null : aSource;
+  this.name = aName == null ? null : aName;
+  this[isSourceNode] = true;
+  if (aChunks != null) this.add(aChunks);
+}
+
+/**
+ * Creates a SourceNode from generated code and a SourceMapConsumer.
+ *
+ * @param aGeneratedCode The generated code
+ * @param aSourceMapConsumer The SourceMap for the generated code
+ * @param aRelativePath Optional. The path that relative sources in the
+ *        SourceMapConsumer should be relative to.
+ */
+SourceNode.fromStringWithSourceMap =
+  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
+    // The SourceNode we want to fill with the generated code
+    // and the SourceMap
+    var node = new SourceNode();
+
+    // All even indices of this array are one line of the generated code,
+    // while all odd indices are the newlines between two adjacent lines
+    // (since `REGEX_NEWLINE` captures its match).
+    // Processed fragments are accessed by calling `shiftNextLine`.
+    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
+    var remainingLinesIndex = 0;
+    var shiftNextLine = function() {
+      var lineContents = getNextLine();
+      // The last line of a file might not have a newline.
+      var newLine = getNextLine() || "";
+      return lineContents + newLine;
+
+      function getNextLine() {
+        return remainingLinesIndex < remainingLines.length ?
+            remainingLines[remainingLinesIndex++] : undefined;
+      }
+    };
+
+    // We need to remember the position of "remainingLines"
+    var lastGeneratedLine = 1, lastGeneratedColumn = 0;
+
+    // The generate SourceNodes we need a code range.
+    // To extract it current and last mapping is used.
+    // Here we store the last mapping.
+    var lastMapping = null;
+
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      if (lastMapping !== null) {
+        // We add the code from "lastMapping" to "mapping":
+        // First check if there is a new line in between.
+        if (lastGeneratedLine < mapping.generatedLine) {
+          // Associate first line with "lastMapping"
+          addMappingWithCode(lastMapping, shiftNextLine());
+          lastGeneratedLine++;
+          lastGeneratedColumn = 0;
+          // The remaining code is added without mapping
+        } else {
+          // There is no new line in between.
+          // Associate the code between "lastGeneratedColumn" and
+          // "mapping.generatedColumn" with "lastMapping"
+          var nextLine = remainingLines[remainingLinesIndex] || '';
+          var code = nextLine.substr(0, mapping.generatedColumn -
+                                        lastGeneratedColumn);
+          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
+                                              lastGeneratedColumn);
+          lastGeneratedColumn = mapping.generatedColumn;
+          addMappingWithCode(lastMapping, code);
+          // No more remaining code, continue
+          lastMapping = mapping;
+          return;
+        }
+      }
+      // We add the generated code until the first mapping
+      // to the SourceNode without any mapping.
+      // Each line is added as separate string.
+      while (lastGeneratedLine < mapping.generatedLine) {
+        node.add(shiftNextLine());
+        lastGeneratedLine++;
+      }
+      if (lastGeneratedColumn < mapping.generatedColumn) {
+        var nextLine = remainingLines[remainingLinesIndex] || '';
+        node.add(nextLine.substr(0, mapping.generatedColumn));
+        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
+        lastGeneratedColumn = mapping.generatedColumn;
+      }
+      lastMapping = mapping;
+    }, this);
+    // We have processed all mappings.
+    if (remainingLinesIndex < remainingLines.length) {
+      if (lastMapping) {
+        // Associate the remaining code in the current line with "lastMapping"
+        addMappingWithCode(lastMapping, shiftNextLine());
+      }
+      // and add the remaining lines without any mapping
+      node.add(remainingLines.splice(remainingLinesIndex).join(""));
+    }
+
+    // Copy sourcesContent into SourceNode
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aRelativePath != null) {
+          sourceFile = util.join(aRelativePath, sourceFile);
+        }
+        node.setSourceContent(sourceFile, content);
+      }
+    });
+
+    return node;
+
+    function addMappingWithCode(mapping, code) {
+      if (mapping === null || mapping.source === undefined) {
+        node.add(code);
+      } else {
+        var source = aRelativePath
+          ? util.join(aRelativePath, mapping.source)
+          : mapping.source;
+        node.add(new SourceNode(mapping.originalLine,
+                                mapping.originalColumn,
+                                source,
+                                code,
+                                mapping.name));
+      }
+    }
+  };
+
+/**
+ * Add a chunk of generated JS to this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.add = function SourceNode_add(aChunk) {
+  if (Array.isArray(aChunk)) {
+    aChunk.forEach(function (chunk) {
+      this.add(chunk);
+    }, this);
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    if (aChunk) {
+      this.children.push(aChunk);
+    }
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Add a chunk of generated JS to the beginning of this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+  if (Array.isArray(aChunk)) {
+    for (var i = aChunk.length-1; i >= 0; i--) {
+      this.prepend(aChunk[i]);
+    }
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    this.children.unshift(aChunk);
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Walk over the tree of JS snippets in this node and its children. The
+ * walking function is called once for each snippet of JS and is passed that
+ * snippet and the its original associated source's line/column location.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+  var chunk;
+  for (var i = 0, len = this.children.length; i < len; i++) {
+    chunk = this.children[i];
+    if (chunk[isSourceNode]) {
+      chunk.walk(aFn);
+    }
+    else {
+      if (chunk !== '') {
+        aFn(chunk, { source: this.source,
+                     line: this.line,
+                     column: this.column,
+                     name: this.name });
+      }
+    }
+  }
+};
+
+/**
+ * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+ * each of `this.children`.
+ *
+ * @param aSep The separator.
+ */
+SourceNode.prototype.join = function SourceNode_join(aSep) {
+  var newChildren;
+  var i;
+  var len = this.children.length;
+  if (len > 0) {
+    newChildren = [];
+    for (i = 0; i < len-1; i++) {
+      newChildren.push(this.children[i]);
+      newChildren.push(aSep);
+    }
+    newChildren.push(this.children[i]);
+    this.children = newChildren;
+  }
+  return this;
+};
+
+/**
+ * Call String.prototype.replace on the very right-most source snippet. Useful
+ * for trimming whitespace from the end of a source node, etc.
+ *
+ * @param aPattern The pattern to replace.
+ * @param aReplacement The thing to replace the pattern with.
+ */
+SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+  var lastChild = this.children[this.children.length - 1];
+  if (lastChild[isSourceNode]) {
+    lastChild.replaceRight(aPattern, aReplacement);
+  }
+  else if (typeof lastChild === 'string') {
+    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+  }
+  else {
+    this.children.push(''.replace(aPattern, aReplacement));
+  }
+  return this;
+};
+
+/**
+ * Set the source content for a source file. This will be added to the SourceMapGenerator
+ * in the sourcesContent field.
+ *
+ * @param aSourceFile The filename of the source file
+ * @param aSourceContent The content of the source file
+ */
+SourceNode.prototype.setSourceContent =
+  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+  };
+
+/**
+ * Walk over the tree of SourceNodes. The walking function is called for each
+ * source file content and is passed the filename and source content.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walkSourceContents =
+  function SourceNode_walkSourceContents(aFn) {
+    for (var i = 0, len = this.children.length; i < len; i++) {
+      if (this.children[i][isSourceNode]) {
+        this.children[i].walkSourceContents(aFn);
+      }
+    }
+
+    var sources = Object.keys(this.sourceContents);
+    for (var i = 0, len = sources.length; i < len; i++) {
+      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
+    }
+  };
+
+/**
+ * Return the string representation of this source node. Walks over the tree
+ * and concatenates all the various snippets together to one string.
+ */
+SourceNode.prototype.toString = function SourceNode_toString() {
+  var str = "";
+  this.walk(function (chunk) {
+    str += chunk;
+  });
+  return str;
+};
+
+/**
+ * Returns the string representation of this source node along with a source
+ * map.
+ */
+SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+  var generated = {
+    code: "",
+    line: 1,
+    column: 0
+  };
+  var map = new SourceMapGenerator(aArgs);
+  var sourceMappingActive = false;
+  var lastOriginalSource = null;
+  var lastOriginalLine = null;
+  var lastOriginalColumn = null;
+  var lastOriginalName = null;
+  this.walk(function (chunk, original) {
+    generated.code += chunk;
+    if (original.source !== null
+        && original.line !== null
+        && original.column !== null) {
+      if(lastOriginalSource !== original.source
+         || lastOriginalLine !== original.line
+         || lastOriginalColumn !== original.column
+         || lastOriginalName !== original.name) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          },
+          name: original.name
+        });
+      }
+      lastOriginalSource = original.source;
+      lastOriginalLine = original.line;
+      lastOriginalColumn = original.column;
+      lastOriginalName = original.name;
+      sourceMappingActive = true;
+    } else if (sourceMappingActive) {
+      map.addMapping({
+        generated: {
+          line: generated.line,
+          column: generated.column
+        }
+      });
+      lastOriginalSource = null;
+      sourceMappingActive = false;
+    }
+    for (var idx = 0, length = chunk.length; idx < length; idx++) {
+      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
+        generated.line++;
+        generated.column = 0;
+        // Mappings end at eol
+        if (idx + 1 === length) {
+          lastOriginalSource = null;
+          sourceMappingActive = false;
+        } else if (sourceMappingActive) {
+          map.addMapping({
+            source: original.source,
+            original: {
+              line: original.line,
+              column: original.column
+            },
+            generated: {
+              line: generated.line,
+              column: generated.column
+            },
+            name: original.name
+          });
+        }
+      } else {
+        generated.column++;
+      }
+    }
+  });
+  this.walkSourceContents(function (sourceFile, sourceContent) {
+    map.setSourceContent(sourceFile, sourceContent);
+  });
+
+  return { code: generated.code, map: map };
+};
+
+exports.SourceNode = SourceNode;
diff --git a/node_modules/terser/node_modules/source-map/lib/util.js b/node_modules/terser/node_modules/source-map/lib/util.js
new file mode 100644
index 00000000..3ca92e56
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/lib/util.js
@@ -0,0 +1,488 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+
+  var parts = path.split(/\/+/);
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+}
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;
diff --git a/node_modules/terser/node_modules/source-map/package.json b/node_modules/terser/node_modules/source-map/package.json
new file mode 100644
index 00000000..24663417
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/package.json
@@ -0,0 +1,73 @@
+{
+  "name": "source-map",
+  "description": "Generates and consumes source maps",
+  "version": "0.6.1",
+  "homepage": "https://github.com/mozilla/source-map",
+  "author": "Nick Fitzgerald <nfitzgerald@mozilla.com>",
+  "contributors": [
+    "Tobias Koppers <tobias.koppers@googlemail.com>",
+    "Duncan Beevers <duncan@dweebd.com>",
+    "Stephen Crane <scrane@mozilla.com>",
+    "Ryan Seddon <seddon.ryan@gmail.com>",
+    "Miles Elam <miles.elam@deem.com>",
+    "Mihai Bazon <mihai.bazon@gmail.com>",
+    "Michael Ficarra <github.public.email@michael.ficarra.me>",
+    "Todd Wolfson <todd@twolfson.com>",
+    "Alexander Solovyov <alexander@solovyov.net>",
+    "Felix Gnass <fgnass@gmail.com>",
+    "Conrad Irwin <conrad.irwin@gmail.com>",
+    "usrbincc <usrbincc@yahoo.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Chase Douglas <chase@newrelic.com>",
+    "Evan Wallace <evan.exe@gmail.com>",
+    "Heather Arthur <fayearthur@gmail.com>",
+    "Hugh Kennedy <hughskennedy@gmail.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Simon Lydell <simon.lydell@gmail.com>",
+    "Jmeas Smith <jellyes2@gmail.com>",
+    "Michael Z Goddard <mzgoddard@gmail.com>",
+    "azu <azu@users.noreply.github.com>",
+    "John Gozde <john@gozde.ca>",
+    "Adam Kirkton <akirkton@truefitinnovation.com>",
+    "Chris Montgomery <christopher.montgomery@dowjones.com>",
+    "J. Ryan Stinnett <jryans@gmail.com>",
+    "Jack Herrington <jherrington@walmartlabs.com>",
+    "Chris Truter <jeffpalentine@gmail.com>",
+    "Daniel Espeset <daniel@danielespeset.com>",
+    "Jamie Wong <jamie.lf.wong@gmail.com>",
+    "Eddy Bruël <ejpbruel@mozilla.com>",
+    "Hawken Rives <hawkrives@gmail.com>",
+    "Gilad Peleg <giladp007@gmail.com>",
+    "djchie <djchie.dev@gmail.com>",
+    "Gary Ye <garysye@gmail.com>",
+    "Nicolas Lalevée <nicolas.lalevee@hibnet.org>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mozilla/source-map.git"
+  },
+  "main": "./source-map.js",
+  "files": [
+    "source-map.js",
+    "source-map.d.ts",
+    "lib/",
+    "dist/source-map.debug.js",
+    "dist/source-map.js",
+    "dist/source-map.min.js",
+    "dist/source-map.min.js.map"
+  ],
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "test": "npm run build && node test/run-tests.js",
+    "build": "webpack --color",
+    "toc": "doctoc --title '## Table of Contents' README.md && doctoc --title '## Table of Contents' CONTRIBUTING.md"
+  },
+  "devDependencies": {
+    "doctoc": "^0.15.0",
+    "webpack": "^1.12.0"
+  },
+  "typings": "source-map"
+}
diff --git a/node_modules/terser/node_modules/source-map/source-map.d.ts b/node_modules/terser/node_modules/source-map/source-map.d.ts
new file mode 100644
index 00000000..8f972b0c
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/source-map.d.ts
@@ -0,0 +1,98 @@
+export interface StartOfSourceMap {
+    file?: string;
+    sourceRoot?: string;
+}
+
+export interface RawSourceMap extends StartOfSourceMap {
+    version: string;
+    sources: string[];
+    names: string[];
+    sourcesContent?: string[];
+    mappings: string;
+}
+
+export interface Position {
+    line: number;
+    column: number;
+}
+
+export interface LineRange extends Position {
+    lastColumn: number;
+}
+
+export interface FindPosition extends Position {
+    // SourceMapConsumer.GREATEST_LOWER_BOUND or SourceMapConsumer.LEAST_UPPER_BOUND
+    bias?: number;
+}
+
+export interface SourceFindPosition extends FindPosition {
+    source: string;
+}
+
+export interface MappedPosition extends Position {
+    source: string;
+    name?: string;
+}
+
+export interface MappingItem {
+    source: string;
+    generatedLine: number;
+    generatedColumn: number;
+    originalLine: number;
+    originalColumn: number;
+    name: string;
+}
+
+export class SourceMapConsumer {
+    static GENERATED_ORDER: number;
+    static ORIGINAL_ORDER: number;
+
+    static GREATEST_LOWER_BOUND: number;
+    static LEAST_UPPER_BOUND: number;
+
+    constructor(rawSourceMap: RawSourceMap);
+    computeColumnSpans(): void;
+    originalPositionFor(generatedPosition: FindPosition): MappedPosition;
+    generatedPositionFor(originalPosition: SourceFindPosition): LineRange;
+    allGeneratedPositionsFor(originalPosition: MappedPosition): Position[];
+    hasContentsOfAllSources(): boolean;
+    sourceContentFor(source: string, returnNullOnMissing?: boolean): string;
+    eachMapping(callback: (mapping: MappingItem) => void, context?: any, order?: number): void;
+}
+
+export interface Mapping {
+    generated: Position;
+    original: Position;
+    source: string;
+    name?: string;
+}
+
+export class SourceMapGenerator {
+    constructor(startOfSourceMap?: StartOfSourceMap);
+    static fromSourceMap(sourceMapConsumer: SourceMapConsumer): SourceMapGenerator;
+    addMapping(mapping: Mapping): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    applySourceMap(sourceMapConsumer: SourceMapConsumer, sourceFile?: string, sourceMapPath?: string): void;
+    toString(): string;
+}
+
+export interface CodeWithSourceMap {
+    code: string;
+    map: SourceMapGenerator;
+}
+
+export class SourceNode {
+    constructor();
+    constructor(line: number, column: number, source: string);
+    constructor(line: number, column: number, source: string, chunk?: string, name?: string);
+    static fromStringWithSourceMap(code: string, sourceMapConsumer: SourceMapConsumer, relativePath?: string): SourceNode;
+    add(chunk: string): void;
+    prepend(chunk: string): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    walk(fn: (chunk: string, mapping: MappedPosition) => void): void;
+    walkSourceContents(fn: (file: string, content: string) => void): void;
+    join(sep: string): SourceNode;
+    replaceRight(pattern: string, replacement: string): SourceNode;
+    toString(): string;
+    toStringWithSourceMap(startOfSourceMap?: StartOfSourceMap): CodeWithSourceMap;
+}
diff --git a/node_modules/terser/node_modules/source-map/source-map.js b/node_modules/terser/node_modules/source-map/source-map.js
new file mode 100644
index 00000000..bc88fe82
--- /dev/null
+++ b/node_modules/terser/node_modules/source-map/source-map.js
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./lib/source-node').SourceNode;
diff --git a/node_modules/terser/package.json b/node_modules/terser/package.json
new file mode 100644
index 00000000..40a0b3ff
--- /dev/null
+++ b/node_modules/terser/package.json
@@ -0,0 +1,128 @@
+{
+  "name": "terser",
+  "description": "JavaScript parser, mangler/compressor and beautifier toolkit for ES6+",
+  "homepage": "https://terser.org",
+  "author": "Mihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)",
+  "license": "BSD-2-Clause",
+  "version": "4.8.1",
+  "engines": {
+    "node": ">=6.0.0"
+  },
+  "maintainers": [
+    "Fábio Santos <fabiosantosart@gmail.com>"
+  ],
+  "repository": "https://github.com/terser/terser",
+  "main": "dist/bundle.min.js",
+  "types": "tools/terser.d.ts",
+  "bin": {
+    "terser": "bin/terser"
+  },
+  "files": [
+    "bin",
+    "dist",
+    "tools",
+    "LICENSE",
+    "README.md",
+    "CHANGELOG.md",
+    "PATRONS.md"
+  ],
+  "dependencies": {
+    "commander": "^2.20.0",
+    "source-map": "~0.6.1",
+    "source-map-support": "~0.5.12"
+  },
+  "devDependencies": {
+    "acorn": "^7.1.1",
+    "astring": "^1.4.1",
+    "eslint": "^6.3.0",
+    "eslump": "^2.0.0",
+    "mocha": "^7.1.2",
+    "mochallel": "^2.0.0",
+    "pre-commit": "^1.2.2",
+    "rimraf": "^3.0.0",
+    "rollup": "2.0.6",
+    "rollup-plugin-terser": "5.3.0",
+    "semver": "^7.1.3"
+  },
+  "scripts": {
+    "test": "npm run build -- --configTest && node test/run-tests.js",
+    "test:compress": "npm run build -- --configTest && node test/compress.js",
+    "test:mocha": "npm run build -- --configTest && node test/mocha.js",
+    "lint": "eslint lib",
+    "lint-fix": "eslint --fix lib",
+    "build": "rimraf dist/* && rollup --config --silent",
+    "prepare": "npm run build",
+    "postversion": "echo 'Remember to update the changelog!'"
+  },
+  "keywords": [
+    "uglify",
+    "terser",
+    "uglify-es",
+    "uglify-js",
+    "minify",
+    "minifier",
+    "javascript",
+    "ecmascript",
+    "es5",
+    "es6",
+    "es7",
+    "es8",
+    "es2015",
+    "es2016",
+    "es2017",
+    "async",
+    "await"
+  ],
+  "eslintConfig": {
+    "parserOptions": {
+      "sourceType": "module"
+    },
+    "env": {
+      "es6": true
+    },
+    "globals": {
+      "describe": false,
+      "it": false,
+      "require": false,
+      "global": false,
+      "process": false
+    },
+    "rules": {
+      "brace-style": [
+        "error",
+        "1tbs",
+        {
+          "allowSingleLine": true
+        }
+      ],
+      "quotes": [
+        "error",
+        "double",
+        "avoid-escape"
+      ],
+      "no-debugger": "error",
+      "no-undef": "error",
+      "no-unused-vars": [
+        "error",
+        {
+          "varsIgnorePattern": "^_$"
+        }
+      ],
+      "no-tabs": "error",
+      "semi": [
+        "error",
+        "always"
+      ],
+      "no-extra-semi": "error",
+      "no-irregular-whitespace": "error",
+      "space-before-blocks": [
+        "error",
+        "always"
+      ]
+    }
+  },
+  "pre-commit": [
+    "lint-fix",
+    "test"
+  ]
+}
diff --git a/node_modules/terser/tools/colorless-console.js b/node_modules/terser/tools/colorless-console.js
new file mode 100644
index 00000000..b65bb627
--- /dev/null
+++ b/node_modules/terser/tools/colorless-console.js
@@ -0,0 +1,11 @@
+"use strict"
+
+if (Number((/([0-9]+)\./.exec(process.version) || [])[1]) >= 10) {
+    var Console = require("console").Console;
+    global.console = new Console({
+        stdout: process.stdout,
+        stderr: process.stderr,
+        colorMode: false
+    });
+}
+
diff --git a/node_modules/terser/tools/domprops.js b/node_modules/terser/tools/domprops.js
new file mode 100644
index 00000000..e39a5e9b
--- /dev/null
+++ b/node_modules/terser/tools/domprops.js
@@ -0,0 +1,5619 @@
+export var domprops = [
+    "$&",
+    "$'",
+    "$*",
+    "$+",
+    "$1",
+    "$2",
+    "$3",
+    "$4",
+    "$5",
+    "$6",
+    "$7",
+    "$8",
+    "$9",
+    "$_",
+    "$`",
+    "$input",
+    "@@iterator",
+    "ABORT_ERR",
+    "ACTIVE",
+    "ACTIVE_ATTRIBUTES",
+    "ACTIVE_TEXTURE",
+    "ACTIVE_UNIFORMS",
+    "ADDITION",
+    "ALIASED_LINE_WIDTH_RANGE",
+    "ALIASED_POINT_SIZE_RANGE",
+    "ALLOW_KEYBOARD_INPUT",
+    "ALLPASS",
+    "ALPHA",
+    "ALPHA_BITS",
+    "ALT_MASK",
+    "ALWAYS",
+    "ANY_TYPE",
+    "ANY_UNORDERED_NODE_TYPE",
+    "ARRAY_BUFFER",
+    "ARRAY_BUFFER_BINDING",
+    "ATTACHED_SHADERS",
+    "ATTRIBUTE_NODE",
+    "AT_TARGET",
+    "AddSearchProvider",
+    "AnalyserNode",
+    "AnimationEvent",
+    "AnonXMLHttpRequest",
+    "ApplicationCache",
+    "ApplicationCacheErrorEvent",
+    "Array",
+    "ArrayBuffer",
+    "Attr",
+    "Audio",
+    "AudioBuffer",
+    "AudioBufferSourceNode",
+    "AudioContext",
+    "AudioDestinationNode",
+    "AudioListener",
+    "AudioNode",
+    "AudioParam",
+    "AudioProcessingEvent",
+    "AudioStreamTrack",
+    "AutocompleteErrorEvent",
+    "BACK",
+    "BAD_BOUNDARYPOINTS_ERR",
+    "BANDPASS",
+    "BLEND",
+    "BLEND_COLOR",
+    "BLEND_DST_ALPHA",
+    "BLEND_DST_RGB",
+    "BLEND_EQUATION",
+    "BLEND_EQUATION_ALPHA",
+    "BLEND_EQUATION_RGB",
+    "BLEND_SRC_ALPHA",
+    "BLEND_SRC_RGB",
+    "BLUE_BITS",
+    "BLUR",
+    "BOOL",
+    "BOOLEAN_TYPE",
+    "BOOL_VEC2",
+    "BOOL_VEC3",
+    "BOOL_VEC4",
+    "BOTH",
+    "BROWSER_DEFAULT_WEBGL",
+    "BUBBLING_PHASE",
+    "BUFFER_SIZE",
+    "BUFFER_USAGE",
+    "BYTE",
+    "BYTES_PER_ELEMENT",
+    "BarProp",
+    "BaseHref",
+    "BatteryManager",
+    "BeforeLoadEvent",
+    "BeforeUnloadEvent",
+    "BiquadFilterNode",
+    "Blob",
+    "BlobEvent",
+    "Boolean",
+    "CAPTURING_PHASE",
+    "CCW",
+    "CDATASection",
+    "CDATA_SECTION_NODE",
+    "CHANGE",
+    "CHARSET_RULE",
+    "CHECKING",
+    "CLAMP_TO_EDGE",
+    "CLICK",
+    "CLOSED",
+    "CLOSING",
+    "COLOR_ATTACHMENT0",
+    "COLOR_BUFFER_BIT",
+    "COLOR_CLEAR_VALUE",
+    "COLOR_WRITEMASK",
+    "COMMENT_NODE",
+    "COMPILE_STATUS",
+    "COMPRESSED_RGBA_S3TC_DXT1_EXT",
+    "COMPRESSED_RGBA_S3TC_DXT3_EXT",
+    "COMPRESSED_RGBA_S3TC_DXT5_EXT",
+    "COMPRESSED_RGB_S3TC_DXT1_EXT",
+    "COMPRESSED_TEXTURE_FORMATS",
+    "CONNECTING",
+    "CONSTANT_ALPHA",
+    "CONSTANT_COLOR",
+    "CONSTRAINT_ERR",
+    "CONTEXT_LOST_WEBGL",
+    "CONTROL_MASK",
+    "COUNTER_STYLE_RULE",
+    "CSS",
+    "CSS2Properties",
+    "CSSCharsetRule",
+    "CSSConditionRule",
+    "CSSCounterStyleRule",
+    "CSSFontFaceRule",
+    "CSSFontFeatureValuesRule",
+    "CSSGroupingRule",
+    "CSSImportRule",
+    "CSSKeyframeRule",
+    "CSSKeyframesRule",
+    "CSSMediaRule",
+    "CSSMozDocumentRule",
+    "CSSNameSpaceRule",
+    "CSSPageRule",
+    "CSSPrimitiveValue",
+    "CSSRule",
+    "CSSRuleList",
+    "CSSStyleDeclaration",
+    "CSSStyleRule",
+    "CSSStyleSheet",
+    "CSSSupportsRule",
+    "CSSUnknownRule",
+    "CSSValue",
+    "CSSValueList",
+    "CSSVariablesDeclaration",
+    "CSSVariablesRule",
+    "CSSViewportRule",
+    "CSS_ATTR",
+    "CSS_CM",
+    "CSS_COUNTER",
+    "CSS_CUSTOM",
+    "CSS_DEG",
+    "CSS_DIMENSION",
+    "CSS_EMS",
+    "CSS_EXS",
+    "CSS_FILTER_BLUR",
+    "CSS_FILTER_BRIGHTNESS",
+    "CSS_FILTER_CONTRAST",
+    "CSS_FILTER_CUSTOM",
+    "CSS_FILTER_DROP_SHADOW",
+    "CSS_FILTER_GRAYSCALE",
+    "CSS_FILTER_HUE_ROTATE",
+    "CSS_FILTER_INVERT",
+    "CSS_FILTER_OPACITY",
+    "CSS_FILTER_REFERENCE",
+    "CSS_FILTER_SATURATE",
+    "CSS_FILTER_SEPIA",
+    "CSS_GRAD",
+    "CSS_HZ",
+    "CSS_IDENT",
+    "CSS_IN",
+    "CSS_INHERIT",
+    "CSS_KHZ",
+    "CSS_MATRIX",
+    "CSS_MATRIX3D",
+    "CSS_MM",
+    "CSS_MS",
+    "CSS_NUMBER",
+    "CSS_PC",
+    "CSS_PERCENTAGE",
+    "CSS_PERSPECTIVE",
+    "CSS_PRIMITIVE_VALUE",
+    "CSS_PT",
+    "CSS_PX",
+    "CSS_RAD",
+    "CSS_RECT",
+    "CSS_RGBCOLOR",
+    "CSS_ROTATE",
+    "CSS_ROTATE3D",
+    "CSS_ROTATEX",
+    "CSS_ROTATEY",
+    "CSS_ROTATEZ",
+    "CSS_S",
+    "CSS_SCALE",
+    "CSS_SCALE3D",
+    "CSS_SCALEX",
+    "CSS_SCALEY",
+    "CSS_SCALEZ",
+    "CSS_SKEW",
+    "CSS_SKEWX",
+    "CSS_SKEWY",
+    "CSS_STRING",
+    "CSS_TRANSLATE",
+    "CSS_TRANSLATE3D",
+    "CSS_TRANSLATEX",
+    "CSS_TRANSLATEY",
+    "CSS_TRANSLATEZ",
+    "CSS_UNKNOWN",
+    "CSS_URI",
+    "CSS_VALUE_LIST",
+    "CSS_VH",
+    "CSS_VMAX",
+    "CSS_VMIN",
+    "CSS_VW",
+    "CULL_FACE",
+    "CULL_FACE_MODE",
+    "CURRENT_PROGRAM",
+    "CURRENT_VERTEX_ATTRIB",
+    "CUSTOM",
+    "CW",
+    "CanvasGradient",
+    "CanvasPattern",
+    "CanvasRenderingContext2D",
+    "CaretPosition",
+    "ChannelMergerNode",
+    "ChannelSplitterNode",
+    "CharacterData",
+    "ClientRect",
+    "ClientRectList",
+    "Clipboard",
+    "ClipboardEvent",
+    "CloseEvent",
+    "Collator",
+    "CommandEvent",
+    "Comment",
+    "CompositionEvent",
+    "Console",
+    "Controllers",
+    "ConvolverNode",
+    "Counter",
+    "Crypto",
+    "CryptoKey",
+    "CustomEvent",
+    "DATABASE_ERR",
+    "DATA_CLONE_ERR",
+    "DATA_ERR",
+    "DBLCLICK",
+    "DECR",
+    "DECR_WRAP",
+    "DELETE_STATUS",
+    "DEPTH_ATTACHMENT",
+    "DEPTH_BITS",
+    "DEPTH_BUFFER_BIT",
+    "DEPTH_CLEAR_VALUE",
+    "DEPTH_COMPONENT",
+    "DEPTH_COMPONENT16",
+    "DEPTH_FUNC",
+    "DEPTH_RANGE",
+    "DEPTH_STENCIL",
+    "DEPTH_STENCIL_ATTACHMENT",
+    "DEPTH_TEST",
+    "DEPTH_WRITEMASK",
+    "DIRECTION_DOWN",
+    "DIRECTION_LEFT",
+    "DIRECTION_RIGHT",
+    "DIRECTION_UP",
+    "DISABLED",
+    "DISPATCH_REQUEST_ERR",
+    "DITHER",
+    "DOCUMENT_FRAGMENT_NODE",
+    "DOCUMENT_NODE",
+    "DOCUMENT_POSITION_CONTAINED_BY",
+    "DOCUMENT_POSITION_CONTAINS",
+    "DOCUMENT_POSITION_DISCONNECTED",
+    "DOCUMENT_POSITION_FOLLOWING",
+    "DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC",
+    "DOCUMENT_POSITION_PRECEDING",
+    "DOCUMENT_TYPE_NODE",
+    "DOMCursor",
+    "DOMError",
+    "DOMException",
+    "DOMImplementation",
+    "DOMImplementationLS",
+    "DOMMatrix",
+    "DOMMatrixReadOnly",
+    "DOMParser",
+    "DOMPoint",
+    "DOMPointReadOnly",
+    "DOMQuad",
+    "DOMRect",
+    "DOMRectList",
+    "DOMRectReadOnly",
+    "DOMRequest",
+    "DOMSTRING_SIZE_ERR",
+    "DOMSettableTokenList",
+    "DOMStringList",
+    "DOMStringMap",
+    "DOMTokenList",
+    "DOMTransactionEvent",
+    "DOM_DELTA_LINE",
+    "DOM_DELTA_PAGE",
+    "DOM_DELTA_PIXEL",
+    "DOM_INPUT_METHOD_DROP",
+    "DOM_INPUT_METHOD_HANDWRITING",
+    "DOM_INPUT_METHOD_IME",
+    "DOM_INPUT_METHOD_KEYBOARD",
+    "DOM_INPUT_METHOD_MULTIMODAL",
+    "DOM_INPUT_METHOD_OPTION",
+    "DOM_INPUT_METHOD_PASTE",
+    "DOM_INPUT_METHOD_SCRIPT",
+    "DOM_INPUT_METHOD_UNKNOWN",
+    "DOM_INPUT_METHOD_VOICE",
+    "DOM_KEY_LOCATION_JOYSTICK",
+    "DOM_KEY_LOCATION_LEFT",
+    "DOM_KEY_LOCATION_MOBILE",
+    "DOM_KEY_LOCATION_NUMPAD",
+    "DOM_KEY_LOCATION_RIGHT",
+    "DOM_KEY_LOCATION_STANDARD",
+    "DOM_VK_0",
+    "DOM_VK_1",
+    "DOM_VK_2",
+    "DOM_VK_3",
+    "DOM_VK_4",
+    "DOM_VK_5",
+    "DOM_VK_6",
+    "DOM_VK_7",
+    "DOM_VK_8",
+    "DOM_VK_9",
+    "DOM_VK_A",
+    "DOM_VK_ACCEPT",
+    "DOM_VK_ADD",
+    "DOM_VK_ALT",
+    "DOM_VK_ALTGR",
+    "DOM_VK_AMPERSAND",
+    "DOM_VK_ASTERISK",
+    "DOM_VK_AT",
+    "DOM_VK_ATTN",
+    "DOM_VK_B",
+    "DOM_VK_BACKSPACE",
+    "DOM_VK_BACK_QUOTE",
+    "DOM_VK_BACK_SLASH",
+    "DOM_VK_BACK_SPACE",
+    "DOM_VK_C",
+    "DOM_VK_CANCEL",
+    "DOM_VK_CAPS_LOCK",
+    "DOM_VK_CIRCUMFLEX",
+    "DOM_VK_CLEAR",
+    "DOM_VK_CLOSE_BRACKET",
+    "DOM_VK_CLOSE_CURLY_BRACKET",
+    "DOM_VK_CLOSE_PAREN",
+    "DOM_VK_COLON",
+    "DOM_VK_COMMA",
+    "DOM_VK_CONTEXT_MENU",
+    "DOM_VK_CONTROL",
+    "DOM_VK_CONVERT",
+    "DOM_VK_CRSEL",
+    "DOM_VK_CTRL",
+    "DOM_VK_D",
+    "DOM_VK_DECIMAL",
+    "DOM_VK_DELETE",
+    "DOM_VK_DIVIDE",
+    "DOM_VK_DOLLAR",
+    "DOM_VK_DOUBLE_QUOTE",
+    "DOM_VK_DOWN",
+    "DOM_VK_E",
+    "DOM_VK_EISU",
+    "DOM_VK_END",
+    "DOM_VK_ENTER",
+    "DOM_VK_EQUALS",
+    "DOM_VK_EREOF",
+    "DOM_VK_ESCAPE",
+    "DOM_VK_EXCLAMATION",
+    "DOM_VK_EXECUTE",
+    "DOM_VK_EXSEL",
+    "DOM_VK_F",
+    "DOM_VK_F1",
+    "DOM_VK_F10",
+    "DOM_VK_F11",
+    "DOM_VK_F12",
+    "DOM_VK_F13",
+    "DOM_VK_F14",
+    "DOM_VK_F15",
+    "DOM_VK_F16",
+    "DOM_VK_F17",
+    "DOM_VK_F18",
+    "DOM_VK_F19",
+    "DOM_VK_F2",
+    "DOM_VK_F20",
+    "DOM_VK_F21",
+    "DOM_VK_F22",
+    "DOM_VK_F23",
+    "DOM_VK_F24",
+    "DOM_VK_F25",
+    "DOM_VK_F26",
+    "DOM_VK_F27",
+    "DOM_VK_F28",
+    "DOM_VK_F29",
+    "DOM_VK_F3",
+    "DOM_VK_F30",
+    "DOM_VK_F31",
+    "DOM_VK_F32",
+    "DOM_VK_F33",
+    "DOM_VK_F34",
+    "DOM_VK_F35",
+    "DOM_VK_F36",
+    "DOM_VK_F4",
+    "DOM_VK_F5",
+    "DOM_VK_F6",
+    "DOM_VK_F7",
+    "DOM_VK_F8",
+    "DOM_VK_F9",
+    "DOM_VK_FINAL",
+    "DOM_VK_FRONT",
+    "DOM_VK_G",
+    "DOM_VK_GREATER_THAN",
+    "DOM_VK_H",
+    "DOM_VK_HANGUL",
+    "DOM_VK_HANJA",
+    "DOM_VK_HASH",
+    "DOM_VK_HELP",
+    "DOM_VK_HK_TOGGLE",
+    "DOM_VK_HOME",
+    "DOM_VK_HYPHEN_MINUS",
+    "DOM_VK_I",
+    "DOM_VK_INSERT",
+    "DOM_VK_J",
+    "DOM_VK_JUNJA",
+    "DOM_VK_K",
+    "DOM_VK_KANA",
+    "DOM_VK_KANJI",
+    "DOM_VK_L",
+    "DOM_VK_LEFT",
+    "DOM_VK_LEFT_TAB",
+    "DOM_VK_LESS_THAN",
+    "DOM_VK_M",
+    "DOM_VK_META",
+    "DOM_VK_MODECHANGE",
+    "DOM_VK_MULTIPLY",
+    "DOM_VK_N",
+    "DOM_VK_NONCONVERT",
+    "DOM_VK_NUMPAD0",
+    "DOM_VK_NUMPAD1",
+    "DOM_VK_NUMPAD2",
+    "DOM_VK_NUMPAD3",
+    "DOM_VK_NUMPAD4",
+    "DOM_VK_NUMPAD5",
+    "DOM_VK_NUMPAD6",
+    "DOM_VK_NUMPAD7",
+    "DOM_VK_NUMPAD8",
+    "DOM_VK_NUMPAD9",
+    "DOM_VK_NUM_LOCK",
+    "DOM_VK_O",
+    "DOM_VK_OEM_1",
+    "DOM_VK_OEM_102",
+    "DOM_VK_OEM_2",
+    "DOM_VK_OEM_3",
+    "DOM_VK_OEM_4",
+    "DOM_VK_OEM_5",
+    "DOM_VK_OEM_6",
+    "DOM_VK_OEM_7",
+    "DOM_VK_OEM_8",
+    "DOM_VK_OEM_COMMA",
+    "DOM_VK_OEM_MINUS",
+    "DOM_VK_OEM_PERIOD",
+    "DOM_VK_OEM_PLUS",
+    "DOM_VK_OPEN_BRACKET",
+    "DOM_VK_OPEN_CURLY_BRACKET",
+    "DOM_VK_OPEN_PAREN",
+    "DOM_VK_P",
+    "DOM_VK_PA1",
+    "DOM_VK_PAGEDOWN",
+    "DOM_VK_PAGEUP",
+    "DOM_VK_PAGE_DOWN",
+    "DOM_VK_PAGE_UP",
+    "DOM_VK_PAUSE",
+    "DOM_VK_PERCENT",
+    "DOM_VK_PERIOD",
+    "DOM_VK_PIPE",
+    "DOM_VK_PLAY",
+    "DOM_VK_PLUS",
+    "DOM_VK_PRINT",
+    "DOM_VK_PRINTSCREEN",
+    "DOM_VK_PROCESSKEY",
+    "DOM_VK_PROPERITES",
+    "DOM_VK_Q",
+    "DOM_VK_QUESTION_MARK",
+    "DOM_VK_QUOTE",
+    "DOM_VK_R",
+    "DOM_VK_REDO",
+    "DOM_VK_RETURN",
+    "DOM_VK_RIGHT",
+    "DOM_VK_S",
+    "DOM_VK_SCROLL_LOCK",
+    "DOM_VK_SELECT",
+    "DOM_VK_SEMICOLON",
+    "DOM_VK_SEPARATOR",
+    "DOM_VK_SHIFT",
+    "DOM_VK_SLASH",
+    "DOM_VK_SLEEP",
+    "DOM_VK_SPACE",
+    "DOM_VK_SUBTRACT",
+    "DOM_VK_T",
+    "DOM_VK_TAB",
+    "DOM_VK_TILDE",
+    "DOM_VK_U",
+    "DOM_VK_UNDERSCORE",
+    "DOM_VK_UNDO",
+    "DOM_VK_UNICODE",
+    "DOM_VK_UP",
+    "DOM_VK_V",
+    "DOM_VK_VOLUME_DOWN",
+    "DOM_VK_VOLUME_MUTE",
+    "DOM_VK_VOLUME_UP",
+    "DOM_VK_W",
+    "DOM_VK_WIN",
+    "DOM_VK_WINDOW",
+    "DOM_VK_WIN_ICO_00",
+    "DOM_VK_WIN_ICO_CLEAR",
+    "DOM_VK_WIN_ICO_HELP",
+    "DOM_VK_WIN_OEM_ATTN",
+    "DOM_VK_WIN_OEM_AUTO",
+    "DOM_VK_WIN_OEM_BACKTAB",
+    "DOM_VK_WIN_OEM_CLEAR",
+    "DOM_VK_WIN_OEM_COPY",
+    "DOM_VK_WIN_OEM_CUSEL",
+    "DOM_VK_WIN_OEM_ENLW",
+    "DOM_VK_WIN_OEM_FINISH",
+    "DOM_VK_WIN_OEM_FJ_JISHO",
+    "DOM_VK_WIN_OEM_FJ_LOYA",
+    "DOM_VK_WIN_OEM_FJ_MASSHOU",
+    "DOM_VK_WIN_OEM_FJ_ROYA",
+    "DOM_VK_WIN_OEM_FJ_TOUROKU",
+    "DOM_VK_WIN_OEM_JUMP",
+    "DOM_VK_WIN_OEM_PA1",
+    "DOM_VK_WIN_OEM_PA2",
+    "DOM_VK_WIN_OEM_PA3",
+    "DOM_VK_WIN_OEM_RESET",
+    "DOM_VK_WIN_OEM_WSCTRL",
+    "DOM_VK_X",
+    "DOM_VK_XF86XK_ADD_FAVORITE",
+    "DOM_VK_XF86XK_APPLICATION_LEFT",
+    "DOM_VK_XF86XK_APPLICATION_RIGHT",
+    "DOM_VK_XF86XK_AUDIO_CYCLE_TRACK",
+    "DOM_VK_XF86XK_AUDIO_FORWARD",
+    "DOM_VK_XF86XK_AUDIO_LOWER_VOLUME",
+    "DOM_VK_XF86XK_AUDIO_MEDIA",
+    "DOM_VK_XF86XK_AUDIO_MUTE",
+    "DOM_VK_XF86XK_AUDIO_NEXT",
+    "DOM_VK_XF86XK_AUDIO_PAUSE",
+    "DOM_VK_XF86XK_AUDIO_PLAY",
+    "DOM_VK_XF86XK_AUDIO_PREV",
+    "DOM_VK_XF86XK_AUDIO_RAISE_VOLUME",
+    "DOM_VK_XF86XK_AUDIO_RANDOM_PLAY",
+    "DOM_VK_XF86XK_AUDIO_RECORD",
+    "DOM_VK_XF86XK_AUDIO_REPEAT",
+    "DOM_VK_XF86XK_AUDIO_REWIND",
+    "DOM_VK_XF86XK_AUDIO_STOP",
+    "DOM_VK_XF86XK_AWAY",
+    "DOM_VK_XF86XK_BACK",
+    "DOM_VK_XF86XK_BACK_FORWARD",
+    "DOM_VK_XF86XK_BATTERY",
+    "DOM_VK_XF86XK_BLUE",
+    "DOM_VK_XF86XK_BLUETOOTH",
+    "DOM_VK_XF86XK_BOOK",
+    "DOM_VK_XF86XK_BRIGHTNESS_ADJUST",
+    "DOM_VK_XF86XK_CALCULATOR",
+    "DOM_VK_XF86XK_CALENDAR",
+    "DOM_VK_XF86XK_CD",
+    "DOM_VK_XF86XK_CLOSE",
+    "DOM_VK_XF86XK_COMMUNITY",
+    "DOM_VK_XF86XK_CONTRAST_ADJUST",
+    "DOM_VK_XF86XK_COPY",
+    "DOM_VK_XF86XK_CUT",
+    "DOM_VK_XF86XK_CYCLE_ANGLE",
+    "DOM_VK_XF86XK_DISPLAY",
+    "DOM_VK_XF86XK_DOCUMENTS",
+    "DOM_VK_XF86XK_DOS",
+    "DOM_VK_XF86XK_EJECT",
+    "DOM_VK_XF86XK_EXCEL",
+    "DOM_VK_XF86XK_EXPLORER",
+    "DOM_VK_XF86XK_FAVORITES",
+    "DOM_VK_XF86XK_FINANCE",
+    "DOM_VK_XF86XK_FORWARD",
+    "DOM_VK_XF86XK_FRAME_BACK",
+    "DOM_VK_XF86XK_FRAME_FORWARD",
+    "DOM_VK_XF86XK_GAME",
+    "DOM_VK_XF86XK_GO",
+    "DOM_VK_XF86XK_GREEN",
+    "DOM_VK_XF86XK_HIBERNATE",
+    "DOM_VK_XF86XK_HISTORY",
+    "DOM_VK_XF86XK_HOME_PAGE",
+    "DOM_VK_XF86XK_HOT_LINKS",
+    "DOM_VK_XF86XK_I_TOUCH",
+    "DOM_VK_XF86XK_KBD_BRIGHTNESS_DOWN",
+    "DOM_VK_XF86XK_KBD_BRIGHTNESS_UP",
+    "DOM_VK_XF86XK_KBD_LIGHT_ON_OFF",
+    "DOM_VK_XF86XK_LAUNCH0",
+    "DOM_VK_XF86XK_LAUNCH1",
+    "DOM_VK_XF86XK_LAUNCH2",
+    "DOM_VK_XF86XK_LAUNCH3",
+    "DOM_VK_XF86XK_LAUNCH4",
+    "DOM_VK_XF86XK_LAUNCH5",
+    "DOM_VK_XF86XK_LAUNCH6",
+    "DOM_VK_XF86XK_LAUNCH7",
+    "DOM_VK_XF86XK_LAUNCH8",
+    "DOM_VK_XF86XK_LAUNCH9",
+    "DOM_VK_XF86XK_LAUNCH_A",
+    "DOM_VK_XF86XK_LAUNCH_B",
+    "DOM_VK_XF86XK_LAUNCH_C",
+    "DOM_VK_XF86XK_LAUNCH_D",
+    "DOM_VK_XF86XK_LAUNCH_E",
+    "DOM_VK_XF86XK_LAUNCH_F",
+    "DOM_VK_XF86XK_LIGHT_BULB",
+    "DOM_VK_XF86XK_LOG_OFF",
+    "DOM_VK_XF86XK_MAIL",
+    "DOM_VK_XF86XK_MAIL_FORWARD",
+    "DOM_VK_XF86XK_MARKET",
+    "DOM_VK_XF86XK_MEETING",
+    "DOM_VK_XF86XK_MEMO",
+    "DOM_VK_XF86XK_MENU_KB",
+    "DOM_VK_XF86XK_MENU_PB",
+    "DOM_VK_XF86XK_MESSENGER",
+    "DOM_VK_XF86XK_MON_BRIGHTNESS_DOWN",
+    "DOM_VK_XF86XK_MON_BRIGHTNESS_UP",
+    "DOM_VK_XF86XK_MUSIC",
+    "DOM_VK_XF86XK_MY_COMPUTER",
+    "DOM_VK_XF86XK_MY_SITES",
+    "DOM_VK_XF86XK_NEW",
+    "DOM_VK_XF86XK_NEWS",
+    "DOM_VK_XF86XK_OFFICE_HOME",
+    "DOM_VK_XF86XK_OPEN",
+    "DOM_VK_XF86XK_OPEN_URL",
+    "DOM_VK_XF86XK_OPTION",
+    "DOM_VK_XF86XK_PASTE",
+    "DOM_VK_XF86XK_PHONE",
+    "DOM_VK_XF86XK_PICTURES",
+    "DOM_VK_XF86XK_POWER_DOWN",
+    "DOM_VK_XF86XK_POWER_OFF",
+    "DOM_VK_XF86XK_RED",
+    "DOM_VK_XF86XK_REFRESH",
+    "DOM_VK_XF86XK_RELOAD",
+    "DOM_VK_XF86XK_REPLY",
+    "DOM_VK_XF86XK_ROCKER_DOWN",
+    "DOM_VK_XF86XK_ROCKER_ENTER",
+    "DOM_VK_XF86XK_ROCKER_UP",
+    "DOM_VK_XF86XK_ROTATE_WINDOWS",
+    "DOM_VK_XF86XK_ROTATION_KB",
+    "DOM_VK_XF86XK_ROTATION_PB",
+    "DOM_VK_XF86XK_SAVE",
+    "DOM_VK_XF86XK_SCREEN_SAVER",
+    "DOM_VK_XF86XK_SCROLL_CLICK",
+    "DOM_VK_XF86XK_SCROLL_DOWN",
+    "DOM_VK_XF86XK_SCROLL_UP",
+    "DOM_VK_XF86XK_SEARCH",
+    "DOM_VK_XF86XK_SEND",
+    "DOM_VK_XF86XK_SHOP",
+    "DOM_VK_XF86XK_SPELL",
+    "DOM_VK_XF86XK_SPLIT_SCREEN",
+    "DOM_VK_XF86XK_STANDBY",
+    "DOM_VK_XF86XK_START",
+    "DOM_VK_XF86XK_STOP",
+    "DOM_VK_XF86XK_SUBTITLE",
+    "DOM_VK_XF86XK_SUPPORT",
+    "DOM_VK_XF86XK_SUSPEND",
+    "DOM_VK_XF86XK_TASK_PANE",
+    "DOM_VK_XF86XK_TERMINAL",
+    "DOM_VK_XF86XK_TIME",
+    "DOM_VK_XF86XK_TOOLS",
+    "DOM_VK_XF86XK_TOP_MENU",
+    "DOM_VK_XF86XK_TO_DO_LIST",
+    "DOM_VK_XF86XK_TRAVEL",
+    "DOM_VK_XF86XK_USER1KB",
+    "DOM_VK_XF86XK_USER2KB",
+    "DOM_VK_XF86XK_USER_PB",
+    "DOM_VK_XF86XK_UWB",
+    "DOM_VK_XF86XK_VENDOR_HOME",
+    "DOM_VK_XF86XK_VIDEO",
+    "DOM_VK_XF86XK_VIEW",
+    "DOM_VK_XF86XK_WAKE_UP",
+    "DOM_VK_XF86XK_WEB_CAM",
+    "DOM_VK_XF86XK_WHEEL_BUTTON",
+    "DOM_VK_XF86XK_WLAN",
+    "DOM_VK_XF86XK_WORD",
+    "DOM_VK_XF86XK_WWW",
+    "DOM_VK_XF86XK_XFER",
+    "DOM_VK_XF86XK_YELLOW",
+    "DOM_VK_XF86XK_ZOOM_IN",
+    "DOM_VK_XF86XK_ZOOM_OUT",
+    "DOM_VK_Y",
+    "DOM_VK_Z",
+    "DOM_VK_ZOOM",
+    "DONE",
+    "DONT_CARE",
+    "DOWNLOADING",
+    "DRAGDROP",
+    "DST_ALPHA",
+    "DST_COLOR",
+    "DYNAMIC_DRAW",
+    "DataChannel",
+    "DataTransfer",
+    "DataTransferItem",
+    "DataTransferItemList",
+    "DataView",
+    "Date",
+    "DateTimeFormat",
+    "DelayNode",
+    "DesktopNotification",
+    "DesktopNotificationCenter",
+    "DeviceLightEvent",
+    "DeviceMotionEvent",
+    "DeviceOrientationEvent",
+    "DeviceProximityEvent",
+    "DeviceStorage",
+    "DeviceStorageChangeEvent",
+    "Document",
+    "DocumentFragment",
+    "DocumentType",
+    "DragEvent",
+    "DynamicsCompressorNode",
+    "E",
+    "ELEMENT_ARRAY_BUFFER",
+    "ELEMENT_ARRAY_BUFFER_BINDING",
+    "ELEMENT_NODE",
+    "EMPTY",
+    "ENCODING_ERR",
+    "ENDED",
+    "END_TO_END",
+    "END_TO_START",
+    "ENTITY_NODE",
+    "ENTITY_REFERENCE_NODE",
+    "EPSILON",
+    "EQUAL",
+    "EQUALPOWER",
+    "ERROR",
+    "EXPONENTIAL_DISTANCE",
+    "Element",
+    "ElementQuery",
+    "Entity",
+    "EntityReference",
+    "Error",
+    "ErrorEvent",
+    "EvalError",
+    "Event",
+    "EventException",
+    "EventSource",
+    "EventTarget",
+    "External",
+    "FASTEST",
+    "FIDOSDK",
+    "FILTER_ACCEPT",
+    "FILTER_INTERRUPT",
+    "FILTER_REJECT",
+    "FILTER_SKIP",
+    "FINISHED_STATE",
+    "FIRST_ORDERED_NODE_TYPE",
+    "FLOAT",
+    "FLOAT_MAT2",
+    "FLOAT_MAT3",
+    "FLOAT_MAT4",
+    "FLOAT_VEC2",
+    "FLOAT_VEC3",
+    "FLOAT_VEC4",
+    "FOCUS",
+    "FONT_FACE_RULE",
+    "FONT_FEATURE_VALUES_RULE",
+    "FRAGMENT_SHADER",
+    "FRAGMENT_SHADER_DERIVATIVE_HINT_OES",
+    "FRAMEBUFFER",
+    "FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",
+    "FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",
+    "FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",
+    "FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",
+    "FRAMEBUFFER_BINDING",
+    "FRAMEBUFFER_COMPLETE",
+    "FRAMEBUFFER_INCOMPLETE_ATTACHMENT",
+    "FRAMEBUFFER_INCOMPLETE_DIMENSIONS",
+    "FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",
+    "FRAMEBUFFER_UNSUPPORTED",
+    "FRONT",
+    "FRONT_AND_BACK",
+    "FRONT_FACE",
+    "FUNC_ADD",
+    "FUNC_REVERSE_SUBTRACT",
+    "FUNC_SUBTRACT",
+    "Feed",
+    "FeedEntry",
+    "File",
+    "FileError",
+    "FileList",
+    "FileReader",
+    "FindInPage",
+    "Float32Array",
+    "Float64Array",
+    "FocusEvent",
+    "FontFace",
+    "FormData",
+    "Function",
+    "GENERATE_MIPMAP_HINT",
+    "GEQUAL",
+    "GREATER",
+    "GREEN_BITS",
+    "GainNode",
+    "Gamepad",
+    "GamepadButton",
+    "GamepadEvent",
+    "GestureEvent",
+    "HAVE_CURRENT_DATA",
+    "HAVE_ENOUGH_DATA",
+    "HAVE_FUTURE_DATA",
+    "HAVE_METADATA",
+    "HAVE_NOTHING",
+    "HEADERS_RECEIVED",
+    "HIDDEN",
+    "HIERARCHY_REQUEST_ERR",
+    "HIGHPASS",
+    "HIGHSHELF",
+    "HIGH_FLOAT",
+    "HIGH_INT",
+    "HORIZONTAL",
+    "HORIZONTAL_AXIS",
+    "HRTF",
+    "HTMLAllCollection",
+    "HTMLAnchorElement",
+    "HTMLAppletElement",
+    "HTMLAreaElement",
+    "HTMLAudioElement",
+    "HTMLBRElement",
+    "HTMLBaseElement",
+    "HTMLBaseFontElement",
+    "HTMLBlockquoteElement",
+    "HTMLBodyElement",
+    "HTMLButtonElement",
+    "HTMLCanvasElement",
+    "HTMLCollection",
+    "HTMLCommandElement",
+    "HTMLContentElement",
+    "HTMLDListElement",
+    "HTMLDataElement",
+    "HTMLDataListElement",
+    "HTMLDetailsElement",
+    "HTMLDialogElement",
+    "HTMLDirectoryElement",
+    "HTMLDivElement",
+    "HTMLDocument",
+    "HTMLElement",
+    "HTMLEmbedElement",
+    "HTMLFieldSetElement",
+    "HTMLFontElement",
+    "HTMLFormControlsCollection",
+    "HTMLFormElement",
+    "HTMLFrameElement",
+    "HTMLFrameSetElement",
+    "HTMLHRElement",
+    "HTMLHeadElement",
+    "HTMLHeadingElement",
+    "HTMLHtmlElement",
+    "HTMLIFrameElement",
+    "HTMLImageElement",
+    "HTMLInputElement",
+    "HTMLIsIndexElement",
+    "HTMLKeygenElement",
+    "HTMLLIElement",
+    "HTMLLabelElement",
+    "HTMLLegendElement",
+    "HTMLLinkElement",
+    "HTMLMapElement",
+    "HTMLMarqueeElement",
+    "HTMLMediaElement",
+    "HTMLMenuElement",
+    "HTMLMenuItemElement",
+    "HTMLMetaElement",
+    "HTMLMeterElement",
+    "HTMLModElement",
+    "HTMLOListElement",
+    "HTMLObjectElement",
+    "HTMLOptGroupElement",
+    "HTMLOptionElement",
+    "HTMLOptionsCollection",
+    "HTMLOutputElement",
+    "HTMLParagraphElement",
+    "HTMLParamElement",
+    "HTMLPictureElement",
+    "HTMLPreElement",
+    "HTMLProgressElement",
+    "HTMLPropertiesCollection",
+    "HTMLQuoteElement",
+    "HTMLScriptElement",
+    "HTMLSelectElement",
+    "HTMLShadowElement",
+    "HTMLSourceElement",
+    "HTMLSpanElement",
+    "HTMLStyleElement",
+    "HTMLTableCaptionElement",
+    "HTMLTableCellElement",
+    "HTMLTableColElement",
+    "HTMLTableElement",
+    "HTMLTableRowElement",
+    "HTMLTableSectionElement",
+    "HTMLTemplateElement",
+    "HTMLTextAreaElement",
+    "HTMLTimeElement",
+    "HTMLTitleElement",
+    "HTMLTrackElement",
+    "HTMLUListElement",
+    "HTMLUnknownElement",
+    "HTMLVideoElement",
+    "HashChangeEvent",
+    "Headers",
+    "History",
+    "ICE_CHECKING",
+    "ICE_CLOSED",
+    "ICE_COMPLETED",
+    "ICE_CONNECTED",
+    "ICE_FAILED",
+    "ICE_GATHERING",
+    "ICE_WAITING",
+    "IDBCursor",
+    "IDBCursorWithValue",
+    "IDBDatabase",
+    "IDBDatabaseException",
+    "IDBFactory",
+    "IDBFileHandle",
+    "IDBFileRequest",
+    "IDBIndex",
+    "IDBKeyRange",
+    "IDBMutableFile",
+    "IDBObjectStore",
+    "IDBOpenDBRequest",
+    "IDBRequest",
+    "IDBTransaction",
+    "IDBVersionChangeEvent",
+    "IDLE",
+    "IMPLEMENTATION_COLOR_READ_FORMAT",
+    "IMPLEMENTATION_COLOR_READ_TYPE",
+    "IMPORT_RULE",
+    "INCR",
+    "INCR_WRAP",
+    "INDEX_SIZE_ERR",
+    "INT",
+    "INT_VEC2",
+    "INT_VEC3",
+    "INT_VEC4",
+    "INUSE_ATTRIBUTE_ERR",
+    "INVALID_ACCESS_ERR",
+    "INVALID_CHARACTER_ERR",
+    "INVALID_ENUM",
+    "INVALID_EXPRESSION_ERR",
+    "INVALID_FRAMEBUFFER_OPERATION",
+    "INVALID_MODIFICATION_ERR",
+    "INVALID_NODE_TYPE_ERR",
+    "INVALID_OPERATION",
+    "INVALID_STATE_ERR",
+    "INVALID_VALUE",
+    "INVERSE_DISTANCE",
+    "INVERT",
+    "IceCandidate",
+    "Image",
+    "ImageBitmap",
+    "ImageData",
+    "Infinity",
+    "InputEvent",
+    "InputMethodContext",
+    "InstallTrigger",
+    "Int16Array",
+    "Int32Array",
+    "Int8Array",
+    "Intent",
+    "InternalError",
+    "Intl",
+    "IsSearchProviderInstalled",
+    "Iterator",
+    "JSON",
+    "KEEP",
+    "KEYDOWN",
+    "KEYFRAMES_RULE",
+    "KEYFRAME_RULE",
+    "KEYPRESS",
+    "KEYUP",
+    "KeyEvent",
+    "KeyboardEvent",
+    "LENGTHADJUST_SPACING",
+    "LENGTHADJUST_SPACINGANDGLYPHS",
+    "LENGTHADJUST_UNKNOWN",
+    "LEQUAL",
+    "LESS",
+    "LINEAR",
+    "LINEAR_DISTANCE",
+    "LINEAR_MIPMAP_LINEAR",
+    "LINEAR_MIPMAP_NEAREST",
+    "LINES",
+    "LINE_LOOP",
+    "LINE_STRIP",
+    "LINE_WIDTH",
+    "LINK_STATUS",
+    "LIVE",
+    "LN10",
+    "LN2",
+    "LOADED",
+    "LOADING",
+    "LOG10E",
+    "LOG2E",
+    "LOWPASS",
+    "LOWSHELF",
+    "LOW_FLOAT",
+    "LOW_INT",
+    "LSException",
+    "LSParserFilter",
+    "LUMINANCE",
+    "LUMINANCE_ALPHA",
+    "LocalMediaStream",
+    "Location",
+    "MAX_COMBINED_TEXTURE_IMAGE_UNITS",
+    "MAX_CUBE_MAP_TEXTURE_SIZE",
+    "MAX_FRAGMENT_UNIFORM_VECTORS",
+    "MAX_RENDERBUFFER_SIZE",
+    "MAX_SAFE_INTEGER",
+    "MAX_TEXTURE_IMAGE_UNITS",
+    "MAX_TEXTURE_MAX_ANISOTROPY_EXT",
+    "MAX_TEXTURE_SIZE",
+    "MAX_VALUE",
+    "MAX_VARYING_VECTORS",
+    "MAX_VERTEX_ATTRIBS",
+    "MAX_VERTEX_TEXTURE_IMAGE_UNITS",
+    "MAX_VERTEX_UNIFORM_VECTORS",
+    "MAX_VIEWPORT_DIMS",
+    "MEDIA_ERR_ABORTED",
+    "MEDIA_ERR_DECODE",
+    "MEDIA_ERR_ENCRYPTED",
+    "MEDIA_ERR_NETWORK",
+    "MEDIA_ERR_SRC_NOT_SUPPORTED",
+    "MEDIA_KEYERR_CLIENT",
+    "MEDIA_KEYERR_DOMAIN",
+    "MEDIA_KEYERR_HARDWARECHANGE",
+    "MEDIA_KEYERR_OUTPUT",
+    "MEDIA_KEYERR_SERVICE",
+    "MEDIA_KEYERR_UNKNOWN",
+    "MEDIA_RULE",
+    "MEDIUM_FLOAT",
+    "MEDIUM_INT",
+    "META_MASK",
+    "MIN_SAFE_INTEGER",
+    "MIN_VALUE",
+    "MIRRORED_REPEAT",
+    "MODE_ASYNCHRONOUS",
+    "MODE_SYNCHRONOUS",
+    "MODIFICATION",
+    "MOUSEDOWN",
+    "MOUSEDRAG",
+    "MOUSEMOVE",
+    "MOUSEOUT",
+    "MOUSEOVER",
+    "MOUSEUP",
+    "MOZ_KEYFRAMES_RULE",
+    "MOZ_KEYFRAME_RULE",
+    "MOZ_SOURCE_CURSOR",
+    "MOZ_SOURCE_ERASER",
+    "MOZ_SOURCE_KEYBOARD",
+    "MOZ_SOURCE_MOUSE",
+    "MOZ_SOURCE_PEN",
+    "MOZ_SOURCE_TOUCH",
+    "MOZ_SOURCE_UNKNOWN",
+    "MSGESTURE_FLAG_BEGIN",
+    "MSGESTURE_FLAG_CANCEL",
+    "MSGESTURE_FLAG_END",
+    "MSGESTURE_FLAG_INERTIA",
+    "MSGESTURE_FLAG_NONE",
+    "MSPOINTER_TYPE_MOUSE",
+    "MSPOINTER_TYPE_PEN",
+    "MSPOINTER_TYPE_TOUCH",
+    "MS_ASYNC_CALLBACK_STATUS_ASSIGN_DELEGATE",
+    "MS_ASYNC_CALLBACK_STATUS_CANCEL",
+    "MS_ASYNC_CALLBACK_STATUS_CHOOSEANY",
+    "MS_ASYNC_CALLBACK_STATUS_ERROR",
+    "MS_ASYNC_CALLBACK_STATUS_JOIN",
+    "MS_ASYNC_OP_STATUS_CANCELED",
+    "MS_ASYNC_OP_STATUS_ERROR",
+    "MS_ASYNC_OP_STATUS_SUCCESS",
+    "MS_MANIPULATION_STATE_ACTIVE",
+    "MS_MANIPULATION_STATE_CANCELLED",
+    "MS_MANIPULATION_STATE_COMMITTED",
+    "MS_MANIPULATION_STATE_DRAGGING",
+    "MS_MANIPULATION_STATE_INERTIA",
+    "MS_MANIPULATION_STATE_PRESELECT",
+    "MS_MANIPULATION_STATE_SELECTING",
+    "MS_MANIPULATION_STATE_STOPPED",
+    "MS_MEDIA_ERR_ENCRYPTED",
+    "MS_MEDIA_KEYERR_CLIENT",
+    "MS_MEDIA_KEYERR_DOMAIN",
+    "MS_MEDIA_KEYERR_HARDWARECHANGE",
+    "MS_MEDIA_KEYERR_OUTPUT",
+    "MS_MEDIA_KEYERR_SERVICE",
+    "MS_MEDIA_KEYERR_UNKNOWN",
+    "Map",
+    "Math",
+    "MediaController",
+    "MediaDevices",
+    "MediaElementAudioSourceNode",
+    "MediaEncryptedEvent",
+    "MediaError",
+    "MediaKeyError",
+    "MediaKeyEvent",
+    "MediaKeyMessageEvent",
+    "MediaKeyNeededEvent",
+    "MediaKeySession",
+    "MediaKeyStatusMap",
+    "MediaKeySystemAccess",
+    "MediaKeys",
+    "MediaList",
+    "MediaQueryList",
+    "MediaQueryListEvent",
+    "MediaRecorder",
+    "MediaSource",
+    "MediaStream",
+    "MediaStreamAudioDestinationNode",
+    "MediaStreamAudioSourceNode",
+    "MediaStreamEvent",
+    "MediaStreamTrack",
+    "MediaStreamTrackEvent",
+    "MessageChannel",
+    "MessageEvent",
+    "MessagePort",
+    "Methods",
+    "MimeType",
+    "MimeTypeArray",
+    "MouseEvent",
+    "MouseScrollEvent",
+    "MozAnimation",
+    "MozAnimationDelay",
+    "MozAnimationDirection",
+    "MozAnimationDuration",
+    "MozAnimationFillMode",
+    "MozAnimationIterationCount",
+    "MozAnimationName",
+    "MozAnimationPlayState",
+    "MozAnimationTimingFunction",
+    "MozAppearance",
+    "MozBackfaceVisibility",
+    "MozBinding",
+    "MozBorderBottomColors",
+    "MozBorderEnd",
+    "MozBorderEndColor",
+    "MozBorderEndStyle",
+    "MozBorderEndWidth",
+    "MozBorderImage",
+    "MozBorderLeftColors",
+    "MozBorderRightColors",
+    "MozBorderStart",
+    "MozBorderStartColor",
+    "MozBorderStartStyle",
+    "MozBorderStartWidth",
+    "MozBorderTopColors",
+    "MozBoxAlign",
+    "MozBoxDirection",
+    "MozBoxFlex",
+    "MozBoxOrdinalGroup",
+    "MozBoxOrient",
+    "MozBoxPack",
+    "MozBoxSizing",
+    "MozCSSKeyframeRule",
+    "MozCSSKeyframesRule",
+    "MozColumnCount",
+    "MozColumnFill",
+    "MozColumnGap",
+    "MozColumnRule",
+    "MozColumnRuleColor",
+    "MozColumnRuleStyle",
+    "MozColumnRuleWidth",
+    "MozColumnWidth",
+    "MozColumns",
+    "MozContactChangeEvent",
+    "MozFloatEdge",
+    "MozFontFeatureSettings",
+    "MozFontLanguageOverride",
+    "MozForceBrokenImageIcon",
+    "MozHyphens",
+    "MozImageRegion",
+    "MozMarginEnd",
+    "MozMarginStart",
+    "MozMmsEvent",
+    "MozMmsMessage",
+    "MozMobileMessageThread",
+    "MozOSXFontSmoothing",
+    "MozOrient",
+    "MozOutlineRadius",
+    "MozOutlineRadiusBottomleft",
+    "MozOutlineRadiusBottomright",
+    "MozOutlineRadiusTopleft",
+    "MozOutlineRadiusTopright",
+    "MozPaddingEnd",
+    "MozPaddingStart",
+    "MozPerspective",
+    "MozPerspectiveOrigin",
+    "MozPowerManager",
+    "MozSettingsEvent",
+    "MozSmsEvent",
+    "MozSmsMessage",
+    "MozStackSizing",
+    "MozTabSize",
+    "MozTextAlignLast",
+    "MozTextDecorationColor",
+    "MozTextDecorationLine",
+    "MozTextDecorationStyle",
+    "MozTextSizeAdjust",
+    "MozTransform",
+    "MozTransformOrigin",
+    "MozTransformStyle",
+    "MozTransition",
+    "MozTransitionDelay",
+    "MozTransitionDuration",
+    "MozTransitionProperty",
+    "MozTransitionTimingFunction",
+    "MozUserFocus",
+    "MozUserInput",
+    "MozUserModify",
+    "MozUserSelect",
+    "MozWindowDragging",
+    "MozWindowShadow",
+    "MutationEvent",
+    "MutationObserver",
+    "MutationRecord",
+    "NAMESPACE_ERR",
+    "NAMESPACE_RULE",
+    "NEAREST",
+    "NEAREST_MIPMAP_LINEAR",
+    "NEAREST_MIPMAP_NEAREST",
+    "NEGATIVE_INFINITY",
+    "NETWORK_EMPTY",
+    "NETWORK_ERR",
+    "NETWORK_IDLE",
+    "NETWORK_LOADED",
+    "NETWORK_LOADING",
+    "NETWORK_NO_SOURCE",
+    "NEVER",
+    "NEW",
+    "NEXT",
+    "NEXT_NO_DUPLICATE",
+    "NICEST",
+    "NODE_AFTER",
+    "NODE_BEFORE",
+    "NODE_BEFORE_AND_AFTER",
+    "NODE_INSIDE",
+    "NONE",
+    "NON_TRANSIENT_ERR",
+    "NOTATION_NODE",
+    "NOTCH",
+    "NOTEQUAL",
+    "NOT_ALLOWED_ERR",
+    "NOT_FOUND_ERR",
+    "NOT_READABLE_ERR",
+    "NOT_SUPPORTED_ERR",
+    "NO_DATA_ALLOWED_ERR",
+    "NO_ERR",
+    "NO_ERROR",
+    "NO_MODIFICATION_ALLOWED_ERR",
+    "NUMBER_TYPE",
+    "NUM_COMPRESSED_TEXTURE_FORMATS",
+    "NaN",
+    "NamedNodeMap",
+    "Navigator",
+    "NearbyLinks",
+    "NetworkInformation",
+    "Node",
+    "NodeFilter",
+    "NodeIterator",
+    "NodeList",
+    "Notation",
+    "Notification",
+    "NotifyPaintEvent",
+    "Number",
+    "NumberFormat",
+    "OBSOLETE",
+    "ONE",
+    "ONE_MINUS_CONSTANT_ALPHA",
+    "ONE_MINUS_CONSTANT_COLOR",
+    "ONE_MINUS_DST_ALPHA",
+    "ONE_MINUS_DST_COLOR",
+    "ONE_MINUS_SRC_ALPHA",
+    "ONE_MINUS_SRC_COLOR",
+    "OPEN",
+    "OPENED",
+    "OPENING",
+    "ORDERED_NODE_ITERATOR_TYPE",
+    "ORDERED_NODE_SNAPSHOT_TYPE",
+    "OUT_OF_MEMORY",
+    "Object",
+    "OfflineAudioCompletionEvent",
+    "OfflineAudioContext",
+    "OfflineResourceList",
+    "Option",
+    "OscillatorNode",
+    "OverflowEvent",
+    "PACK_ALIGNMENT",
+    "PAGE_RULE",
+    "PARSE_ERR",
+    "PATHSEG_ARC_ABS",
+    "PATHSEG_ARC_REL",
+    "PATHSEG_CLOSEPATH",
+    "PATHSEG_CURVETO_CUBIC_ABS",
+    "PATHSEG_CURVETO_CUBIC_REL",
+    "PATHSEG_CURVETO_CUBIC_SMOOTH_ABS",
+    "PATHSEG_CURVETO_CUBIC_SMOOTH_REL",
+    "PATHSEG_CURVETO_QUADRATIC_ABS",
+    "PATHSEG_CURVETO_QUADRATIC_REL",
+    "PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS",
+    "PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL",
+    "PATHSEG_LINETO_ABS",
+    "PATHSEG_LINETO_HORIZONTAL_ABS",
+    "PATHSEG_LINETO_HORIZONTAL_REL",
+    "PATHSEG_LINETO_REL",
+    "PATHSEG_LINETO_VERTICAL_ABS",
+    "PATHSEG_LINETO_VERTICAL_REL",
+    "PATHSEG_MOVETO_ABS",
+    "PATHSEG_MOVETO_REL",
+    "PATHSEG_UNKNOWN",
+    "PATH_EXISTS_ERR",
+    "PEAKING",
+    "PERMISSION_DENIED",
+    "PERSISTENT",
+    "PI",
+    "PLAYING_STATE",
+    "POINTS",
+    "POLYGON_OFFSET_FACTOR",
+    "POLYGON_OFFSET_FILL",
+    "POLYGON_OFFSET_UNITS",
+    "POSITION_UNAVAILABLE",
+    "POSITIVE_INFINITY",
+    "PREV",
+    "PREV_NO_DUPLICATE",
+    "PROCESSING_INSTRUCTION_NODE",
+    "PageChangeEvent",
+    "PageTransitionEvent",
+    "PaintRequest",
+    "PaintRequestList",
+    "PannerNode",
+    "Path2D",
+    "Performance",
+    "PerformanceEntry",
+    "PerformanceMark",
+    "PerformanceMeasure",
+    "PerformanceNavigation",
+    "PerformanceResourceTiming",
+    "PerformanceTiming",
+    "PeriodicWave",
+    "Plugin",
+    "PluginArray",
+    "PopStateEvent",
+    "PopupBlockedEvent",
+    "ProcessingInstruction",
+    "ProgressEvent",
+    "Promise",
+    "PropertyNodeList",
+    "Proxy",
+    "PushManager",
+    "PushSubscription",
+    "Q",
+    "QUOTA_ERR",
+    "QUOTA_EXCEEDED_ERR",
+    "QueryInterface",
+    "READ_ONLY",
+    "READ_ONLY_ERR",
+    "READ_WRITE",
+    "RED_BITS",
+    "REMOVAL",
+    "RENDERBUFFER",
+    "RENDERBUFFER_ALPHA_SIZE",
+    "RENDERBUFFER_BINDING",
+    "RENDERBUFFER_BLUE_SIZE",
+    "RENDERBUFFER_DEPTH_SIZE",
+    "RENDERBUFFER_GREEN_SIZE",
+    "RENDERBUFFER_HEIGHT",
+    "RENDERBUFFER_INTERNAL_FORMAT",
+    "RENDERBUFFER_RED_SIZE",
+    "RENDERBUFFER_STENCIL_SIZE",
+    "RENDERBUFFER_WIDTH",
+    "RENDERER",
+    "RENDERING_INTENT_ABSOLUTE_COLORIMETRIC",
+    "RENDERING_INTENT_AUTO",
+    "RENDERING_INTENT_PERCEPTUAL",
+    "RENDERING_INTENT_RELATIVE_COLORIMETRIC",
+    "RENDERING_INTENT_SATURATION",
+    "RENDERING_INTENT_UNKNOWN",
+    "REPEAT",
+    "REPLACE",
+    "RGB",
+    "RGB565",
+    "RGB5_A1",
+    "RGBA",
+    "RGBA4",
+    "RGBColor",
+    "ROTATION_CLOCKWISE",
+    "ROTATION_COUNTERCLOCKWISE",
+    "RTCDataChannelEvent",
+    "RTCIceCandidate",
+    "RTCPeerConnectionIceEvent",
+    "RTCRtpReceiver",
+    "RTCRtpSender",
+    "RTCSessionDescription",
+    "RTCStatsReport",
+    "RadioNodeList",
+    "Range",
+    "RangeError",
+    "RangeException",
+    "RecordErrorEvent",
+    "Rect",
+    "ReferenceError",
+    "RegExp",
+    "Request",
+    "Response",
+    "SAMPLER_2D",
+    "SAMPLER_CUBE",
+    "SAMPLES",
+    "SAMPLE_ALPHA_TO_COVERAGE",
+    "SAMPLE_BUFFERS",
+    "SAMPLE_COVERAGE",
+    "SAMPLE_COVERAGE_INVERT",
+    "SAMPLE_COVERAGE_VALUE",
+    "SAWTOOTH",
+    "SCHEDULED_STATE",
+    "SCISSOR_BOX",
+    "SCISSOR_TEST",
+    "SCROLL_PAGE_DOWN",
+    "SCROLL_PAGE_UP",
+    "SDP_ANSWER",
+    "SDP_OFFER",
+    "SDP_PRANSWER",
+    "SECURITY_ERR",
+    "SELECT",
+    "SERIALIZE_ERR",
+    "SEVERITY_ERROR",
+    "SEVERITY_FATAL_ERROR",
+    "SEVERITY_WARNING",
+    "SHADER_COMPILER",
+    "SHADER_TYPE",
+    "SHADING_LANGUAGE_VERSION",
+    "SHIFT_MASK",
+    "SHORT",
+    "SHOWING",
+    "SHOW_ALL",
+    "SHOW_ATTRIBUTE",
+    "SHOW_CDATA_SECTION",
+    "SHOW_COMMENT",
+    "SHOW_DOCUMENT",
+    "SHOW_DOCUMENT_FRAGMENT",
+    "SHOW_DOCUMENT_TYPE",
+    "SHOW_ELEMENT",
+    "SHOW_ENTITY",
+    "SHOW_ENTITY_REFERENCE",
+    "SHOW_NOTATION",
+    "SHOW_PROCESSING_INSTRUCTION",
+    "SHOW_TEXT",
+    "SINE",
+    "SOUNDFIELD",
+    "SQLException",
+    "SQRT1_2",
+    "SQRT2",
+    "SQUARE",
+    "SRC_ALPHA",
+    "SRC_ALPHA_SATURATE",
+    "SRC_COLOR",
+    "START_TO_END",
+    "START_TO_START",
+    "STATIC_DRAW",
+    "STENCIL_ATTACHMENT",
+    "STENCIL_BACK_FAIL",
+    "STENCIL_BACK_FUNC",
+    "STENCIL_BACK_PASS_DEPTH_FAIL",
+    "STENCIL_BACK_PASS_DEPTH_PASS",
+    "STENCIL_BACK_REF",
+    "STENCIL_BACK_VALUE_MASK",
+    "STENCIL_BACK_WRITEMASK",
+    "STENCIL_BITS",
+    "STENCIL_BUFFER_BIT",
+    "STENCIL_CLEAR_VALUE",
+    "STENCIL_FAIL",
+    "STENCIL_FUNC",
+    "STENCIL_INDEX",
+    "STENCIL_INDEX8",
+    "STENCIL_PASS_DEPTH_FAIL",
+    "STENCIL_PASS_DEPTH_PASS",
+    "STENCIL_REF",
+    "STENCIL_TEST",
+    "STENCIL_VALUE_MASK",
+    "STENCIL_WRITEMASK",
+    "STREAM_DRAW",
+    "STRING_TYPE",
+    "STYLE_RULE",
+    "SUBPIXEL_BITS",
+    "SUPPORTS_RULE",
+    "SVGAElement",
+    "SVGAltGlyphDefElement",
+    "SVGAltGlyphElement",
+    "SVGAltGlyphItemElement",
+    "SVGAngle",
+    "SVGAnimateColorElement",
+    "SVGAnimateElement",
+    "SVGAnimateMotionElement",
+    "SVGAnimateTransformElement",
+    "SVGAnimatedAngle",
+    "SVGAnimatedBoolean",
+    "SVGAnimatedEnumeration",
+    "SVGAnimatedInteger",
+    "SVGAnimatedLength",
+    "SVGAnimatedLengthList",
+    "SVGAnimatedNumber",
+    "SVGAnimatedNumberList",
+    "SVGAnimatedPreserveAspectRatio",
+    "SVGAnimatedRect",
+    "SVGAnimatedString",
+    "SVGAnimatedTransformList",
+    "SVGAnimationElement",
+    "SVGCircleElement",
+    "SVGClipPathElement",
+    "SVGColor",
+    "SVGComponentTransferFunctionElement",
+    "SVGCursorElement",
+    "SVGDefsElement",
+    "SVGDescElement",
+    "SVGDiscardElement",
+    "SVGDocument",
+    "SVGElement",
+    "SVGElementInstance",
+    "SVGElementInstanceList",
+    "SVGEllipseElement",
+    "SVGException",
+    "SVGFEBlendElement",
+    "SVGFEColorMatrixElement",
+    "SVGFEComponentTransferElement",
+    "SVGFECompositeElement",
+    "SVGFEConvolveMatrixElement",
+    "SVGFEDiffuseLightingElement",
+    "SVGFEDisplacementMapElement",
+    "SVGFEDistantLightElement",
+    "SVGFEDropShadowElement",
+    "SVGFEFloodElement",
+    "SVGFEFuncAElement",
+    "SVGFEFuncBElement",
+    "SVGFEFuncGElement",
+    "SVGFEFuncRElement",
+    "SVGFEGaussianBlurElement",
+    "SVGFEImageElement",
+    "SVGFEMergeElement",
+    "SVGFEMergeNodeElement",
+    "SVGFEMorphologyElement",
+    "SVGFEOffsetElement",
+    "SVGFEPointLightElement",
+    "SVGFESpecularLightingElement",
+    "SVGFESpotLightElement",
+    "SVGFETileElement",
+    "SVGFETurbulenceElement",
+    "SVGFilterElement",
+    "SVGFontElement",
+    "SVGFontFaceElement",
+    "SVGFontFaceFormatElement",
+    "SVGFontFaceNameElement",
+    "SVGFontFaceSrcElement",
+    "SVGFontFaceUriElement",
+    "SVGForeignObjectElement",
+    "SVGGElement",
+    "SVGGeometryElement",
+    "SVGGlyphElement",
+    "SVGGlyphRefElement",
+    "SVGGradientElement",
+    "SVGGraphicsElement",
+    "SVGHKernElement",
+    "SVGImageElement",
+    "SVGLength",
+    "SVGLengthList",
+    "SVGLineElement",
+    "SVGLinearGradientElement",
+    "SVGMPathElement",
+    "SVGMarkerElement",
+    "SVGMaskElement",
+    "SVGMatrix",
+    "SVGMetadataElement",
+    "SVGMissingGlyphElement",
+    "SVGNumber",
+    "SVGNumberList",
+    "SVGPaint",
+    "SVGPathElement",
+    "SVGPathSeg",
+    "SVGPathSegArcAbs",
+    "SVGPathSegArcRel",
+    "SVGPathSegClosePath",
+    "SVGPathSegCurvetoCubicAbs",
+    "SVGPathSegCurvetoCubicRel",
+    "SVGPathSegCurvetoCubicSmoothAbs",
+    "SVGPathSegCurvetoCubicSmoothRel",
+    "SVGPathSegCurvetoQuadraticAbs",
+    "SVGPathSegCurvetoQuadraticRel",
+    "SVGPathSegCurvetoQuadraticSmoothAbs",
+    "SVGPathSegCurvetoQuadraticSmoothRel",
+    "SVGPathSegLinetoAbs",
+    "SVGPathSegLinetoHorizontalAbs",
+    "SVGPathSegLinetoHorizontalRel",
+    "SVGPathSegLinetoRel",
+    "SVGPathSegLinetoVerticalAbs",
+    "SVGPathSegLinetoVerticalRel",
+    "SVGPathSegList",
+    "SVGPathSegMovetoAbs",
+    "SVGPathSegMovetoRel",
+    "SVGPatternElement",
+    "SVGPoint",
+    "SVGPointList",
+    "SVGPolygonElement",
+    "SVGPolylineElement",
+    "SVGPreserveAspectRatio",
+    "SVGRadialGradientElement",
+    "SVGRect",
+    "SVGRectElement",
+    "SVGRenderingIntent",
+    "SVGSVGElement",
+    "SVGScriptElement",
+    "SVGSetElement",
+    "SVGStopElement",
+    "SVGStringList",
+    "SVGStyleElement",
+    "SVGSwitchElement",
+    "SVGSymbolElement",
+    "SVGTRefElement",
+    "SVGTSpanElement",
+    "SVGTextContentElement",
+    "SVGTextElement",
+    "SVGTextPathElement",
+    "SVGTextPositioningElement",
+    "SVGTitleElement",
+    "SVGTransform",
+    "SVGTransformList",
+    "SVGUnitTypes",
+    "SVGUseElement",
+    "SVGVKernElement",
+    "SVGViewElement",
+    "SVGViewSpec",
+    "SVGZoomAndPan",
+    "SVGZoomEvent",
+    "SVG_ANGLETYPE_DEG",
+    "SVG_ANGLETYPE_GRAD",
+    "SVG_ANGLETYPE_RAD",
+    "SVG_ANGLETYPE_UNKNOWN",
+    "SVG_ANGLETYPE_UNSPECIFIED",
+    "SVG_CHANNEL_A",
+    "SVG_CHANNEL_B",
+    "SVG_CHANNEL_G",
+    "SVG_CHANNEL_R",
+    "SVG_CHANNEL_UNKNOWN",
+    "SVG_COLORTYPE_CURRENTCOLOR",
+    "SVG_COLORTYPE_RGBCOLOR",
+    "SVG_COLORTYPE_RGBCOLOR_ICCCOLOR",
+    "SVG_COLORTYPE_UNKNOWN",
+    "SVG_EDGEMODE_DUPLICATE",
+    "SVG_EDGEMODE_NONE",
+    "SVG_EDGEMODE_UNKNOWN",
+    "SVG_EDGEMODE_WRAP",
+    "SVG_FEBLEND_MODE_COLOR",
+    "SVG_FEBLEND_MODE_COLOR_BURN",
+    "SVG_FEBLEND_MODE_COLOR_DODGE",
+    "SVG_FEBLEND_MODE_DARKEN",
+    "SVG_FEBLEND_MODE_DIFFERENCE",
+    "SVG_FEBLEND_MODE_EXCLUSION",
+    "SVG_FEBLEND_MODE_HARD_LIGHT",
+    "SVG_FEBLEND_MODE_HUE",
+    "SVG_FEBLEND_MODE_LIGHTEN",
+    "SVG_FEBLEND_MODE_LUMINOSITY",
+    "SVG_FEBLEND_MODE_MULTIPLY",
+    "SVG_FEBLEND_MODE_NORMAL",
+    "SVG_FEBLEND_MODE_OVERLAY",
+    "SVG_FEBLEND_MODE_SATURATION",
+    "SVG_FEBLEND_MODE_SCREEN",
+    "SVG_FEBLEND_MODE_SOFT_LIGHT",
+    "SVG_FEBLEND_MODE_UNKNOWN",
+    "SVG_FECOLORMATRIX_TYPE_HUEROTATE",
+    "SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA",
+    "SVG_FECOLORMATRIX_TYPE_MATRIX",
+    "SVG_FECOLORMATRIX_TYPE_SATURATE",
+    "SVG_FECOLORMATRIX_TYPE_UNKNOWN",
+    "SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE",
+    "SVG_FECOMPONENTTRANSFER_TYPE_GAMMA",
+    "SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY",
+    "SVG_FECOMPONENTTRANSFER_TYPE_LINEAR",
+    "SVG_FECOMPONENTTRANSFER_TYPE_TABLE",
+    "SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN",
+    "SVG_FECOMPOSITE_OPERATOR_ARITHMETIC",
+    "SVG_FECOMPOSITE_OPERATOR_ATOP",
+    "SVG_FECOMPOSITE_OPERATOR_IN",
+    "SVG_FECOMPOSITE_OPERATOR_OUT",
+    "SVG_FECOMPOSITE_OPERATOR_OVER",
+    "SVG_FECOMPOSITE_OPERATOR_UNKNOWN",
+    "SVG_FECOMPOSITE_OPERATOR_XOR",
+    "SVG_INVALID_VALUE_ERR",
+    "SVG_LENGTHTYPE_CM",
+    "SVG_LENGTHTYPE_EMS",
+    "SVG_LENGTHTYPE_EXS",
+    "SVG_LENGTHTYPE_IN",
+    "SVG_LENGTHTYPE_MM",
+    "SVG_LENGTHTYPE_NUMBER",
+    "SVG_LENGTHTYPE_PC",
+    "SVG_LENGTHTYPE_PERCENTAGE",
+    "SVG_LENGTHTYPE_PT",
+    "SVG_LENGTHTYPE_PX",
+    "SVG_LENGTHTYPE_UNKNOWN",
+    "SVG_MARKERUNITS_STROKEWIDTH",
+    "SVG_MARKERUNITS_UNKNOWN",
+    "SVG_MARKERUNITS_USERSPACEONUSE",
+    "SVG_MARKER_ORIENT_ANGLE",
+    "SVG_MARKER_ORIENT_AUTO",
+    "SVG_MARKER_ORIENT_UNKNOWN",
+    "SVG_MASKTYPE_ALPHA",
+    "SVG_MASKTYPE_LUMINANCE",
+    "SVG_MATRIX_NOT_INVERTABLE",
+    "SVG_MEETORSLICE_MEET",
+    "SVG_MEETORSLICE_SLICE",
+    "SVG_MEETORSLICE_UNKNOWN",
+    "SVG_MORPHOLOGY_OPERATOR_DILATE",
+    "SVG_MORPHOLOGY_OPERATOR_ERODE",
+    "SVG_MORPHOLOGY_OPERATOR_UNKNOWN",
+    "SVG_PAINTTYPE_CURRENTCOLOR",
+    "SVG_PAINTTYPE_NONE",
+    "SVG_PAINTTYPE_RGBCOLOR",
+    "SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR",
+    "SVG_PAINTTYPE_UNKNOWN",
+    "SVG_PAINTTYPE_URI",
+    "SVG_PAINTTYPE_URI_CURRENTCOLOR",
+    "SVG_PAINTTYPE_URI_NONE",
+    "SVG_PAINTTYPE_URI_RGBCOLOR",
+    "SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR",
+    "SVG_PRESERVEASPECTRATIO_NONE",
+    "SVG_PRESERVEASPECTRATIO_UNKNOWN",
+    "SVG_PRESERVEASPECTRATIO_XMAXYMAX",
+    "SVG_PRESERVEASPECTRATIO_XMAXYMID",
+    "SVG_PRESERVEASPECTRATIO_XMAXYMIN",
+    "SVG_PRESERVEASPECTRATIO_XMIDYMAX",
+    "SVG_PRESERVEASPECTRATIO_XMIDYMID",
+    "SVG_PRESERVEASPECTRATIO_XMIDYMIN",
+    "SVG_PRESERVEASPECTRATIO_XMINYMAX",
+    "SVG_PRESERVEASPECTRATIO_XMINYMID",
+    "SVG_PRESERVEASPECTRATIO_XMINYMIN",
+    "SVG_SPREADMETHOD_PAD",
+    "SVG_SPREADMETHOD_REFLECT",
+    "SVG_SPREADMETHOD_REPEAT",
+    "SVG_SPREADMETHOD_UNKNOWN",
+    "SVG_STITCHTYPE_NOSTITCH",
+    "SVG_STITCHTYPE_STITCH",
+    "SVG_STITCHTYPE_UNKNOWN",
+    "SVG_TRANSFORM_MATRIX",
+    "SVG_TRANSFORM_ROTATE",
+    "SVG_TRANSFORM_SCALE",
+    "SVG_TRANSFORM_SKEWX",
+    "SVG_TRANSFORM_SKEWY",
+    "SVG_TRANSFORM_TRANSLATE",
+    "SVG_TRANSFORM_UNKNOWN",
+    "SVG_TURBULENCE_TYPE_FRACTALNOISE",
+    "SVG_TURBULENCE_TYPE_TURBULENCE",
+    "SVG_TURBULENCE_TYPE_UNKNOWN",
+    "SVG_UNIT_TYPE_OBJECTBOUNDINGBOX",
+    "SVG_UNIT_TYPE_UNKNOWN",
+    "SVG_UNIT_TYPE_USERSPACEONUSE",
+    "SVG_WRONG_TYPE_ERR",
+    "SVG_ZOOMANDPAN_DISABLE",
+    "SVG_ZOOMANDPAN_MAGNIFY",
+    "SVG_ZOOMANDPAN_UNKNOWN",
+    "SYNTAX_ERR",
+    "SavedPages",
+    "Screen",
+    "ScreenOrientation",
+    "Script",
+    "ScriptProcessorNode",
+    "ScrollAreaEvent",
+    "SecurityPolicyViolationEvent",
+    "Selection",
+    "ServiceWorker",
+    "ServiceWorkerContainer",
+    "ServiceWorkerRegistration",
+    "SessionDescription",
+    "Set",
+    "ShadowRoot",
+    "SharedWorker",
+    "SimpleGestureEvent",
+    "SpeechSynthesisEvent",
+    "SpeechSynthesisUtterance",
+    "StopIteration",
+    "Storage",
+    "StorageEvent",
+    "String",
+    "StyleSheet",
+    "StyleSheetList",
+    "SubtleCrypto",
+    "Symbol",
+    "SyntaxError",
+    "TEMPORARY",
+    "TEXTPATH_METHODTYPE_ALIGN",
+    "TEXTPATH_METHODTYPE_STRETCH",
+    "TEXTPATH_METHODTYPE_UNKNOWN",
+    "TEXTPATH_SPACINGTYPE_AUTO",
+    "TEXTPATH_SPACINGTYPE_EXACT",
+    "TEXTPATH_SPACINGTYPE_UNKNOWN",
+    "TEXTURE",
+    "TEXTURE0",
+    "TEXTURE1",
+    "TEXTURE10",
+    "TEXTURE11",
+    "TEXTURE12",
+    "TEXTURE13",
+    "TEXTURE14",
+    "TEXTURE15",
+    "TEXTURE16",
+    "TEXTURE17",
+    "TEXTURE18",
+    "TEXTURE19",
+    "TEXTURE2",
+    "TEXTURE20",
+    "TEXTURE21",
+    "TEXTURE22",
+    "TEXTURE23",
+    "TEXTURE24",
+    "TEXTURE25",
+    "TEXTURE26",
+    "TEXTURE27",
+    "TEXTURE28",
+    "TEXTURE29",
+    "TEXTURE3",
+    "TEXTURE30",
+    "TEXTURE31",
+    "TEXTURE4",
+    "TEXTURE5",
+    "TEXTURE6",
+    "TEXTURE7",
+    "TEXTURE8",
+    "TEXTURE9",
+    "TEXTURE_2D",
+    "TEXTURE_BINDING_2D",
+    "TEXTURE_BINDING_CUBE_MAP",
+    "TEXTURE_CUBE_MAP",
+    "TEXTURE_CUBE_MAP_NEGATIVE_X",
+    "TEXTURE_CUBE_MAP_NEGATIVE_Y",
+    "TEXTURE_CUBE_MAP_NEGATIVE_Z",
+    "TEXTURE_CUBE_MAP_POSITIVE_X",
+    "TEXTURE_CUBE_MAP_POSITIVE_Y",
+    "TEXTURE_CUBE_MAP_POSITIVE_Z",
+    "TEXTURE_MAG_FILTER",
+    "TEXTURE_MAX_ANISOTROPY_EXT",
+    "TEXTURE_MIN_FILTER",
+    "TEXTURE_WRAP_S",
+    "TEXTURE_WRAP_T",
+    "TEXT_NODE",
+    "TIMEOUT",
+    "TIMEOUT_ERR",
+    "TOO_LARGE_ERR",
+    "TRANSACTION_INACTIVE_ERR",
+    "TRIANGLE",
+    "TRIANGLES",
+    "TRIANGLE_FAN",
+    "TRIANGLE_STRIP",
+    "TYPE_BACK_FORWARD",
+    "TYPE_ERR",
+    "TYPE_MISMATCH_ERR",
+    "TYPE_NAVIGATE",
+    "TYPE_RELOAD",
+    "TYPE_RESERVED",
+    "Text",
+    "TextDecoder",
+    "TextEncoder",
+    "TextEvent",
+    "TextMetrics",
+    "TextTrack",
+    "TextTrackCue",
+    "TextTrackCueList",
+    "TextTrackList",
+    "TimeEvent",
+    "TimeRanges",
+    "Touch",
+    "TouchEvent",
+    "TouchList",
+    "TrackEvent",
+    "TransitionEvent",
+    "TreeWalker",
+    "TypeError",
+    "UIEvent",
+    "UNCACHED",
+    "UNKNOWN_ERR",
+    "UNKNOWN_RULE",
+    "UNMASKED_RENDERER_WEBGL",
+    "UNMASKED_VENDOR_WEBGL",
+    "UNORDERED_NODE_ITERATOR_TYPE",
+    "UNORDERED_NODE_SNAPSHOT_TYPE",
+    "UNPACK_ALIGNMENT",
+    "UNPACK_COLORSPACE_CONVERSION_WEBGL",
+    "UNPACK_FLIP_Y_WEBGL",
+    "UNPACK_PREMULTIPLY_ALPHA_WEBGL",
+    "UNSCHEDULED_STATE",
+    "UNSENT",
+    "UNSIGNED_BYTE",
+    "UNSIGNED_INT",
+    "UNSIGNED_SHORT",
+    "UNSIGNED_SHORT_4_4_4_4",
+    "UNSIGNED_SHORT_5_5_5_1",
+    "UNSIGNED_SHORT_5_6_5",
+    "UNSPECIFIED_EVENT_TYPE_ERR",
+    "UPDATEREADY",
+    "URIError",
+    "URL",
+    "URLSearchParams",
+    "URLUnencoded",
+    "URL_MISMATCH_ERR",
+    "UTC",
+    "Uint16Array",
+    "Uint32Array",
+    "Uint8Array",
+    "Uint8ClampedArray",
+    "UserMessageHandler",
+    "UserMessageHandlersNamespace",
+    "UserProximityEvent",
+    "VALIDATE_STATUS",
+    "VALIDATION_ERR",
+    "VARIABLES_RULE",
+    "VENDOR",
+    "VERSION",
+    "VERSION_CHANGE",
+    "VERSION_ERR",
+    "VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",
+    "VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE",
+    "VERTEX_ATTRIB_ARRAY_ENABLED",
+    "VERTEX_ATTRIB_ARRAY_NORMALIZED",
+    "VERTEX_ATTRIB_ARRAY_POINTER",
+    "VERTEX_ATTRIB_ARRAY_SIZE",
+    "VERTEX_ATTRIB_ARRAY_STRIDE",
+    "VERTEX_ATTRIB_ARRAY_TYPE",
+    "VERTEX_SHADER",
+    "VERTICAL",
+    "VERTICAL_AXIS",
+    "VER_ERR",
+    "VIEWPORT",
+    "VIEWPORT_RULE",
+    "VTTCue",
+    "VTTRegion",
+    "ValidityState",
+    "VideoStreamTrack",
+    "WEBKIT_FILTER_RULE",
+    "WEBKIT_KEYFRAMES_RULE",
+    "WEBKIT_KEYFRAME_RULE",
+    "WEBKIT_REGION_RULE",
+    "WRONG_DOCUMENT_ERR",
+    "WaveShaperNode",
+    "WeakMap",
+    "WeakSet",
+    "WebGLActiveInfo",
+    "WebGLBuffer",
+    "WebGLContextEvent",
+    "WebGLFramebuffer",
+    "WebGLProgram",
+    "WebGLRenderbuffer",
+    "WebGLRenderingContext",
+    "WebGLShader",
+    "WebGLShaderPrecisionFormat",
+    "WebGLTexture",
+    "WebGLUniformLocation",
+    "WebGLVertexArray",
+    "WebKitAnimationEvent",
+    "WebKitBlobBuilder",
+    "WebKitCSSFilterRule",
+    "WebKitCSSFilterValue",
+    "WebKitCSSKeyframeRule",
+    "WebKitCSSKeyframesRule",
+    "WebKitCSSMatrix",
+    "WebKitCSSRegionRule",
+    "WebKitCSSTransformValue",
+    "WebKitDataCue",
+    "WebKitGamepad",
+    "WebKitMediaKeyError",
+    "WebKitMediaKeyMessageEvent",
+    "WebKitMediaKeySession",
+    "WebKitMediaKeys",
+    "WebKitMediaSource",
+    "WebKitMutationObserver",
+    "WebKitNamespace",
+    "WebKitPlaybackTargetAvailabilityEvent",
+    "WebKitPoint",
+    "WebKitShadowRoot",
+    "WebKitSourceBuffer",
+    "WebKitSourceBufferList",
+    "WebKitTransitionEvent",
+    "WebSocket",
+    "WheelEvent",
+    "Window",
+    "Worker",
+    "XMLDocument",
+    "XMLHttpRequest",
+    "XMLHttpRequestEventTarget",
+    "XMLHttpRequestException",
+    "XMLHttpRequestProgressEvent",
+    "XMLHttpRequestUpload",
+    "XMLSerializer",
+    "XMLStylesheetProcessingInstruction",
+    "XPathEvaluator",
+    "XPathException",
+    "XPathExpression",
+    "XPathNSResolver",
+    "XPathResult",
+    "XSLTProcessor",
+    "ZERO",
+    "_XD0M_",
+    "_YD0M_",
+    "__defineGetter__",
+    "__defineSetter__",
+    "__lookupGetter__",
+    "__lookupSetter__",
+    "__opera",
+    "__proto__",
+    "_browserjsran",
+    "a",
+    "aLink",
+    "abbr",
+    "abort",
+    "abs",
+    "absolute",
+    "acceleration",
+    "accelerationIncludingGravity",
+    "accelerator",
+    "accept",
+    "acceptCharset",
+    "acceptNode",
+    "accessKey",
+    "accessKeyLabel",
+    "accuracy",
+    "acos",
+    "acosh",
+    "action",
+    "actionURL",
+    "active",
+    "activeCues",
+    "activeElement",
+    "activeSourceBuffers",
+    "activeSourceCount",
+    "activeTexture",
+    "add",
+    "addBehavior",
+    "addCandidate",
+    "addColorStop",
+    "addCue",
+    "addElement",
+    "addEventListener",
+    "addFilter",
+    "addFromString",
+    "addFromUri",
+    "addIceCandidate",
+    "addImport",
+    "addListener",
+    "addNamed",
+    "addPageRule",
+    "addPath",
+    "addPointer",
+    "addRange",
+    "addRegion",
+    "addRule",
+    "addSearchEngine",
+    "addSourceBuffer",
+    "addStream",
+    "addTextTrack",
+    "addTrack",
+    "addWakeLockListener",
+    "addedNodes",
+    "additionalName",
+    "additiveSymbols",
+    "addons",
+    "adoptNode",
+    "adr",
+    "advance",
+    "alert",
+    "algorithm",
+    "align",
+    "align-content",
+    "align-items",
+    "align-self",
+    "alignContent",
+    "alignItems",
+    "alignSelf",
+    "alignmentBaseline",
+    "alinkColor",
+    "all",
+    "allSettled",
+    "allowFullscreen",
+    "allowedDirections",
+    "alpha",
+    "alt",
+    "altGraphKey",
+    "altHtml",
+    "altKey",
+    "altLeft",
+    "altitude",
+    "altitudeAccuracy",
+    "amplitude",
+    "ancestorOrigins",
+    "anchor",
+    "anchorNode",
+    "anchorOffset",
+    "anchors",
+    "angle",
+    "animVal",
+    "animate",
+    "animatedInstanceRoot",
+    "animatedNormalizedPathSegList",
+    "animatedPathSegList",
+    "animatedPoints",
+    "animation",
+    "animation-delay",
+    "animation-direction",
+    "animation-duration",
+    "animation-fill-mode",
+    "animation-iteration-count",
+    "animation-name",
+    "animation-play-state",
+    "animation-timing-function",
+    "animationDelay",
+    "animationDirection",
+    "animationDuration",
+    "animationFillMode",
+    "animationIterationCount",
+    "animationName",
+    "animationPlayState",
+    "animationStartTime",
+    "animationTimingFunction",
+    "animationsPaused",
+    "anniversary",
+    "any",
+    "app",
+    "appCodeName",
+    "appMinorVersion",
+    "appName",
+    "appNotifications",
+    "appVersion",
+    "append",
+    "appendBuffer",
+    "appendChild",
+    "appendData",
+    "appendItem",
+    "appendMedium",
+    "appendNamed",
+    "appendRule",
+    "appendStream",
+    "appendWindowEnd",
+    "appendWindowStart",
+    "applets",
+    "applicationCache",
+    "apply",
+    "applyElement",
+    "arc",
+    "arcTo",
+    "archive",
+    "areas",
+    "arguments",
+    "arrayBuffer",
+    "asin",
+    "asinh",
+    "assert",
+    "assign",
+    "async",
+    "atEnd",
+    "atan",
+    "atan2",
+    "atanh",
+    "atob",
+    "attachEvent",
+    "attachShader",
+    "attachShadow",
+    "attachments",
+    "attack",
+    "attrChange",
+    "attrName",
+    "attributeFilter",
+    "attributeName",
+    "attributeNamespace",
+    "attributeOldValue",
+    "attributes",
+    "audioTracks",
+    "autoIncrement",
+    "autobuffer",
+    "autocapitalize",
+    "autocomplete",
+    "autocorrect",
+    "autofocus",
+    "autoplay",
+    "availHeight",
+    "availLeft",
+    "availTop",
+    "availWidth",
+    "availability",
+    "available",
+    "aversion",
+    "axes",
+    "axis",
+    "azimuth",
+    "b",
+    "back",
+    "backface-visibility",
+    "backfaceVisibility",
+    "background",
+    "background-attachment",
+    "background-blend-mode",
+    "background-clip",
+    "background-color",
+    "background-image",
+    "background-origin",
+    "background-position",
+    "background-repeat",
+    "background-size",
+    "backgroundAttachment",
+    "backgroundBlendMode",
+    "backgroundClip",
+    "backgroundColor",
+    "backgroundImage",
+    "backgroundOrigin",
+    "backgroundPosition",
+    "backgroundPositionX",
+    "backgroundPositionY",
+    "backgroundRepeat",
+    "backgroundSize",
+    "badInput",
+    "balance",
+    "baseFrequencyX",
+    "baseFrequencyY",
+    "baseNode",
+    "baseOffset",
+    "baseURI",
+    "baseVal",
+    "baselineShift",
+    "battery",
+    "bday",
+    "beginElement",
+    "beginElementAt",
+    "beginPath",
+    "behavior",
+    "behaviorCookie",
+    "behaviorPart",
+    "behaviorUrns",
+    "beta",
+    "bezierCurveTo",
+    "bgColor",
+    "bgProperties",
+    "bias",
+    "big",
+    "binaryType",
+    "bind",
+    "bindAttribLocation",
+    "bindBuffer",
+    "bindFramebuffer",
+    "bindRenderbuffer",
+    "bindTexture",
+    "blendColor",
+    "blendEquation",
+    "blendEquationSeparate",
+    "blendFunc",
+    "blendFuncSeparate",
+    "blink",
+    "blob",
+    "blockDirection",
+    "blue",
+    "blur",
+    "body",
+    "bodyUsed",
+    "bold",
+    "bookmarks",
+    "booleanValue",
+    "border",
+    "border-bottom",
+    "border-bottom-color",
+    "border-bottom-left-radius",
+    "border-bottom-right-radius",
+    "border-bottom-style",
+    "border-bottom-width",
+    "border-collapse",
+    "border-color",
+    "border-image",
+    "border-image-outset",
+    "border-image-repeat",
+    "border-image-slice",
+    "border-image-source",
+    "border-image-width",
+    "border-left",
+    "border-left-color",
+    "border-left-style",
+    "border-left-width",
+    "border-radius",
+    "border-right",
+    "border-right-color",
+    "border-right-style",
+    "border-right-width",
+    "border-spacing",
+    "border-style",
+    "border-top",
+    "border-top-color",
+    "border-top-left-radius",
+    "border-top-right-radius",
+    "border-top-style",
+    "border-top-width",
+    "border-width",
+    "borderBottom",
+    "borderBottomColor",
+    "borderBottomLeftRadius",
+    "borderBottomRightRadius",
+    "borderBottomStyle",
+    "borderBottomWidth",
+    "borderCollapse",
+    "borderColor",
+    "borderColorDark",
+    "borderColorLight",
+    "borderImage",
+    "borderImageOutset",
+    "borderImageRepeat",
+    "borderImageSlice",
+    "borderImageSource",
+    "borderImageWidth",
+    "borderLeft",
+    "borderLeftColor",
+    "borderLeftStyle",
+    "borderLeftWidth",
+    "borderRadius",
+    "borderRight",
+    "borderRightColor",
+    "borderRightStyle",
+    "borderRightWidth",
+    "borderSpacing",
+    "borderStyle",
+    "borderTop",
+    "borderTopColor",
+    "borderTopLeftRadius",
+    "borderTopRightRadius",
+    "borderTopStyle",
+    "borderTopWidth",
+    "borderWidth",
+    "bottom",
+    "bottomMargin",
+    "bound",
+    "boundElements",
+    "boundingClientRect",
+    "boundingHeight",
+    "boundingLeft",
+    "boundingTop",
+    "boundingWidth",
+    "bounds",
+    "box-decoration-break",
+    "box-shadow",
+    "box-sizing",
+    "boxDecorationBreak",
+    "boxShadow",
+    "boxSizing",
+    "breakAfter",
+    "breakBefore",
+    "breakInside",
+    "browserLanguage",
+    "btoa",
+    "bubbles",
+    "buffer",
+    "bufferData",
+    "bufferDepth",
+    "bufferSize",
+    "bufferSubData",
+    "buffered",
+    "bufferedAmount",
+    "buildID",
+    "buildNumber",
+    "button",
+    "buttonID",
+    "buttons",
+    "byteLength",
+    "byteOffset",
+    "c",
+    "call",
+    "caller",
+    "canBeFormatted",
+    "canBeMounted",
+    "canBeShared",
+    "canHaveChildren",
+    "canHaveHTML",
+    "canPlayType",
+    "cancel",
+    "cancelAnimationFrame",
+    "cancelBubble",
+    "cancelScheduledValues",
+    "cancelable",
+    "candidate",
+    "canvas",
+    "caption",
+    "caption-side",
+    "captionSide",
+    "capture",
+    "captureEvents",
+    "captureStackTrace",
+    "caretPositionFromPoint",
+    "caretRangeFromPoint",
+    "cast",
+    "catch",
+    "category",
+    "cbrt",
+    "cd",
+    "ceil",
+    "cellIndex",
+    "cellPadding",
+    "cellSpacing",
+    "cells",
+    "ch",
+    "chOff",
+    "chain",
+    "challenge",
+    "changedTouches",
+    "channel",
+    "channelCount",
+    "channelCountMode",
+    "channelInterpretation",
+    "char",
+    "charAt",
+    "charCode",
+    "charCodeAt",
+    "charIndex",
+    "characterData",
+    "characterDataOldValue",
+    "characterSet",
+    "charging",
+    "chargingTime",
+    "charset",
+    "checkEnclosure",
+    "checkFramebufferStatus",
+    "checkIntersection",
+    "checkValidity",
+    "checked",
+    "childElementCount",
+    "childList",
+    "childNodes",
+    "children",
+    "chrome",
+    "ciphertext",
+    "cite",
+    "classList",
+    "className",
+    "classid",
+    "clear",
+    "clearAttributes",
+    "clearColor",
+    "clearData",
+    "clearDepth",
+    "clearImmediate",
+    "clearInterval",
+    "clearMarks",
+    "clearMeasures",
+    "clearParameters",
+    "clearRect",
+    "clearResourceTimings",
+    "clearShadow",
+    "clearStencil",
+    "clearTimeout",
+    "clearWatch",
+    "click",
+    "clickCount",
+    "clientHeight",
+    "clientInformation",
+    "clientLeft",
+    "clientRect",
+    "clientRects",
+    "clientTop",
+    "clientWidth",
+    "clientX",
+    "clientY",
+    "clip",
+    "clip-path",
+    "clip-rule",
+    "clipBottom",
+    "clipLeft",
+    "clipPath",
+    "clipPathUnits",
+    "clipRight",
+    "clipRule",
+    "clipTop",
+    "clipboardData",
+    "clone",
+    "cloneContents",
+    "cloneNode",
+    "cloneRange",
+    "close",
+    "closePath",
+    "closed",
+    "closest",
+    "clz",
+    "clz32",
+    "cmp",
+    "code",
+    "codeBase",
+    "codePointAt",
+    "codeType",
+    "colSpan",
+    "collapse",
+    "collapseToEnd",
+    "collapseToStart",
+    "collapsed",
+    "collect",
+    "colno",
+    "color",
+    "color-interpolation",
+    "color-interpolation-filters",
+    "colorDepth",
+    "colorInterpolation",
+    "colorInterpolationFilters",
+    "colorMask",
+    "colorType",
+    "cols",
+    "columnCount",
+    "columnFill",
+    "columnGap",
+    "columnNumber",
+    "columnRule",
+    "columnRuleColor",
+    "columnRuleStyle",
+    "columnRuleWidth",
+    "columnSpan",
+    "columnWidth",
+    "columns",
+    "command",
+    "commitPreferences",
+    "commonAncestorContainer",
+    "compact",
+    "compareBoundaryPoints",
+    "compareDocumentPosition",
+    "compareEndPoints",
+    "compareNode",
+    "comparePoint",
+    "compatMode",
+    "compatible",
+    "compile",
+    "compileShader",
+    "complete",
+    "componentFromPoint",
+    "compositionEndOffset",
+    "compositionStartOffset",
+    "compressedTexImage2D",
+    "compressedTexSubImage2D",
+    "concat",
+    "conditionText",
+    "coneInnerAngle",
+    "coneOuterAngle",
+    "coneOuterGain",
+    "confirm",
+    "confirmComposition",
+    "confirmSiteSpecificTrackingException",
+    "confirmWebWideTrackingException",
+    "connect",
+    "connectEnd",
+    "connectStart",
+    "connected",
+    "connection",
+    "connectionSpeed",
+    "console",
+    "consolidate",
+    "constrictionActive",
+    "constructor",
+    "contactID",
+    "contains",
+    "containsNode",
+    "content",
+    "contentDocument",
+    "contentEditable",
+    "contentOverflow",
+    "contentScriptType",
+    "contentStyleType",
+    "contentType",
+    "contentWindow",
+    "context",
+    "contextMenu",
+    "contextmenu",
+    "continue",
+    "continuous",
+    "control",
+    "controller",
+    "controls",
+    "convertToSpecifiedUnits",
+    "cookie",
+    "cookieEnabled",
+    "coords",
+    "copyFromChannel",
+    "copyTexImage2D",
+    "copyTexSubImage2D",
+    "copyToChannel",
+    "copyWithin",
+    "correspondingElement",
+    "correspondingUseElement",
+    "cos",
+    "cosh",
+    "count",
+    "counter-increment",
+    "counter-reset",
+    "counterIncrement",
+    "counterReset",
+    "cpuClass",
+    "cpuSleepAllowed",
+    "create",
+    "createAnalyser",
+    "createAnswer",
+    "createAttribute",
+    "createAttributeNS",
+    "createBiquadFilter",
+    "createBuffer",
+    "createBufferSource",
+    "createCDATASection",
+    "createCSSStyleSheet",
+    "createCaption",
+    "createChannelMerger",
+    "createChannelSplitter",
+    "createComment",
+    "createContextualFragment",
+    "createControlRange",
+    "createConvolver",
+    "createDTMFSender",
+    "createDataChannel",
+    "createDelay",
+    "createDelayNode",
+    "createDocument",
+    "createDocumentFragment",
+    "createDocumentType",
+    "createDynamicsCompressor",
+    "createElement",
+    "createElementNS",
+    "createEntityReference",
+    "createEvent",
+    "createEventObject",
+    "createExpression",
+    "createFramebuffer",
+    "createFunction",
+    "createGain",
+    "createGainNode",
+    "createHTMLDocument",
+    "createImageBitmap",
+    "createImageData",
+    "createIndex",
+    "createJavaScriptNode",
+    "createLinearGradient",
+    "createMediaElementSource",
+    "createMediaKeys",
+    "createMediaStreamDestination",
+    "createMediaStreamSource",
+    "createMutableFile",
+    "createNSResolver",
+    "createNodeIterator",
+    "createNotification",
+    "createObjectStore",
+    "createObjectURL",
+    "createOffer",
+    "createOscillator",
+    "createPanner",
+    "createPattern",
+    "createPeriodicWave",
+    "createPopup",
+    "createProcessingInstruction",
+    "createProgram",
+    "createRadialGradient",
+    "createRange",
+    "createRangeCollection",
+    "createRenderbuffer",
+    "createSVGAngle",
+    "createSVGLength",
+    "createSVGMatrix",
+    "createSVGNumber",
+    "createSVGPathSegArcAbs",
+    "createSVGPathSegArcRel",
+    "createSVGPathSegClosePath",
+    "createSVGPathSegCurvetoCubicAbs",
+    "createSVGPathSegCurvetoCubicRel",
+    "createSVGPathSegCurvetoCubicSmoothAbs",
+    "createSVGPathSegCurvetoCubicSmoothRel",
+    "createSVGPathSegCurvetoQuadraticAbs",
+    "createSVGPathSegCurvetoQuadraticRel",
+    "createSVGPathSegCurvetoQuadraticSmoothAbs",
+    "createSVGPathSegCurvetoQuadraticSmoothRel",
+    "createSVGPathSegLinetoAbs",
+    "createSVGPathSegLinetoHorizontalAbs",
+    "createSVGPathSegLinetoHorizontalRel",
+    "createSVGPathSegLinetoRel",
+    "createSVGPathSegLinetoVerticalAbs",
+    "createSVGPathSegLinetoVerticalRel",
+    "createSVGPathSegMovetoAbs",
+    "createSVGPathSegMovetoRel",
+    "createSVGPoint",
+    "createSVGRect",
+    "createSVGTransform",
+    "createSVGTransformFromMatrix",
+    "createScriptProcessor",
+    "createSession",
+    "createShader",
+    "createShadowRoot",
+    "createStereoPanner",
+    "createStyleSheet",
+    "createTBody",
+    "createTFoot",
+    "createTHead",
+    "createTextNode",
+    "createTextRange",
+    "createTexture",
+    "createTouch",
+    "createTouchList",
+    "createTreeWalker",
+    "createWaveShaper",
+    "creationTime",
+    "crossOrigin",
+    "crypto",
+    "csi",
+    "cssFloat",
+    "cssRules",
+    "cssText",
+    "cssValueType",
+    "ctrlKey",
+    "ctrlLeft",
+    "cues",
+    "cullFace",
+    "currentNode",
+    "currentPage",
+    "currentScale",
+    "currentScript",
+    "currentSrc",
+    "currentState",
+    "currentStyle",
+    "currentTarget",
+    "currentTime",
+    "currentTranslate",
+    "currentView",
+    "cursor",
+    "curve",
+    "customError",
+    "cx",
+    "cy",
+    "d",
+    "data",
+    "dataFld",
+    "dataFormatAs",
+    "dataPageSize",
+    "dataSrc",
+    "dataTransfer",
+    "database",
+    "dataset",
+    "dateTime",
+    "db",
+    "debug",
+    "debuggerEnabled",
+    "declare",
+    "decode",
+    "decodeAudioData",
+    "decodeURI",
+    "decodeURIComponent",
+    "decodingInfo",
+    "decrypt",
+    "default",
+    "defaultCharset",
+    "defaultChecked",
+    "defaultMuted",
+    "defaultPlaybackRate",
+    "defaultPrevented",
+    "defaultSelected",
+    "defaultStatus",
+    "defaultURL",
+    "defaultValue",
+    "defaultView",
+    "defaultstatus",
+    "defer",
+    "defineMagicFunction",
+    "defineMagicVariable",
+    "defineProperties",
+    "defineProperty",
+    "delayTime",
+    "delete",
+    "deleteBuffer",
+    "deleteCaption",
+    "deleteCell",
+    "deleteContents",
+    "deleteData",
+    "deleteDatabase",
+    "deleteFramebuffer",
+    "deleteFromDocument",
+    "deleteIndex",
+    "deleteMedium",
+    "deleteObjectStore",
+    "deleteProgram",
+    "deleteRenderbuffer",
+    "deleteRow",
+    "deleteRule",
+    "deleteShader",
+    "deleteTFoot",
+    "deleteTHead",
+    "deleteTexture",
+    "deliverChangeRecords",
+    "delivery",
+    "deliveryInfo",
+    "deliveryStatus",
+    "deliveryTimestamp",
+    "delta",
+    "deltaMode",
+    "deltaX",
+    "deltaY",
+    "deltaZ",
+    "depthFunc",
+    "depthMask",
+    "depthRange",
+    "deriveBits",
+    "deriveKey",
+    "description",
+    "deselectAll",
+    "designMode",
+    "destination",
+    "destinationURL",
+    "detach",
+    "detachEvent",
+    "detachShader",
+    "detail",
+    "detune",
+    "devicePixelRatio",
+    "deviceXDPI",
+    "deviceYDPI",
+    "diffuseConstant",
+    "digest",
+    "dimensions",
+    "dir",
+    "dirName",
+    "direction",
+    "dirxml",
+    "disable",
+    "disableVertexAttribArray",
+    "disabled",
+    "dischargingTime",
+    "disconnect",
+    "dispatchEvent",
+    "display",
+    "distanceModel",
+    "divisor",
+    "djsapi",
+    "djsproxy",
+    "doImport",
+    "doNotTrack",
+    "doScroll",
+    "doctype",
+    "document",
+    "documentElement",
+    "documentMode",
+    "documentURI",
+    "dolphin",
+    "dolphinGameCenter",
+    "dolphininfo",
+    "dolphinmeta",
+    "domComplete",
+    "domContentLoadedEventEnd",
+    "domContentLoadedEventStart",
+    "domInteractive",
+    "domLoading",
+    "domain",
+    "domainLookupEnd",
+    "domainLookupStart",
+    "dominant-baseline",
+    "dominantBaseline",
+    "done",
+    "dopplerFactor",
+    "download",
+    "dragDrop",
+    "draggable",
+    "drawArrays",
+    "drawArraysInstancedANGLE",
+    "drawCustomFocusRing",
+    "drawElements",
+    "drawElementsInstancedANGLE",
+    "drawFocusIfNeeded",
+    "drawImage",
+    "drawImageFromRect",
+    "drawSystemFocusRing",
+    "drawingBufferHeight",
+    "drawingBufferWidth",
+    "dropEffect",
+    "droppedVideoFrames",
+    "dropzone",
+    "dump",
+    "duplicate",
+    "duration",
+    "dvname",
+    "dvnum",
+    "dx",
+    "dy",
+    "dynsrc",
+    "e",
+    "edgeMode",
+    "effectAllowed",
+    "elapsedTime",
+    "elementFromPoint",
+    "elements",
+    "elevation",
+    "ellipse",
+    "email",
+    "embeds",
+    "empty",
+    "empty-cells",
+    "emptyCells",
+    "enable",
+    "enableBackground",
+    "enableStyleSheetsForSet",
+    "enableVertexAttribArray",
+    "enabled",
+    "enabledPlugin",
+    "encode",
+    "encodeURI",
+    "encodeURIComponent",
+    "encoding",
+    "encrypt",
+    "enctype",
+    "end",
+    "endContainer",
+    "endElement",
+    "endElementAt",
+    "endOfStream",
+    "endOffset",
+    "endTime",
+    "ended",
+    "endsWith",
+    "entities",
+    "entries",
+    "entryType",
+    "enumerate",
+    "enumerateEditable",
+    "error",
+    "errorCode",
+    "escape",
+    "eval",
+    "evaluate",
+    "event",
+    "eventPhase",
+    "every",
+    "exception",
+    "exec",
+    "execCommand",
+    "execCommandShowHelp",
+    "execScript",
+    "exitFullscreen",
+    "exitPointerLock",
+    "exp",
+    "expand",
+    "expandEntityReferences",
+    "expando",
+    "expansion",
+    "expiryDate",
+    "explicitOriginalTarget",
+    "expm1",
+    "exponent",
+    "exponentialRampToValueAtTime",
+    "exportKey",
+    "extend",
+    "extensions",
+    "extentNode",
+    "extentOffset",
+    "external",
+    "externalResourcesRequired",
+    "extractContents",
+    "extractable",
+    "f",
+    "face",
+    "factoryReset",
+    "fallback",
+    "familyName",
+    "farthestViewportElement",
+    "fastSeek",
+    "fatal",
+    "fetch",
+    "fetchStart",
+    "fftSize",
+    "fgColor",
+    "fileCreatedDate",
+    "fileHandle",
+    "fileModifiedDate",
+    "fileName",
+    "fileSize",
+    "fileUpdatedDate",
+    "filename",
+    "files",
+    "fill",
+    "fill-opacity",
+    "fill-rule",
+    "fillOpacity",
+    "fillRect",
+    "fillRule",
+    "fillStyle",
+    "fillText",
+    "filter",
+    "filterResX",
+    "filterResY",
+    "filterUnits",
+    "filters",
+    "finally",
+    "find",
+    "findIndex",
+    "findRule",
+    "findText",
+    "finish",
+    "fireEvent",
+    "firstChild",
+    "firstElementChild",
+    "firstPage",
+    "fixed",
+    "flex",
+    "flex-basis",
+    "flex-direction",
+    "flex-flow",
+    "flex-grow",
+    "flex-shrink",
+    "flex-wrap",
+    "flexBasis",
+    "flexDirection",
+    "flexFlow",
+    "flexGrow",
+    "flexShrink",
+    "flexWrap",
+    "flipX",
+    "flipY",
+    "float",
+    "flood-color",
+    "flood-opacity",
+    "floodColor",
+    "floodOpacity",
+    "floor",
+    "flush",
+    "focus",
+    "focusNode",
+    "focusOffset",
+    "font",
+    "font-family",
+    "font-feature-settings",
+    "font-kerning",
+    "font-language-override",
+    "font-size",
+    "font-size-adjust",
+    "font-stretch",
+    "font-style",
+    "font-synthesis",
+    "font-variant",
+    "font-variant-alternates",
+    "font-variant-caps",
+    "font-variant-east-asian",
+    "font-variant-ligatures",
+    "font-variant-numeric",
+    "font-variant-position",
+    "font-weight",
+    "fontFamily",
+    "fontFeatureSettings",
+    "fontKerning",
+    "fontLanguageOverride",
+    "fontSize",
+    "fontSizeAdjust",
+    "fontSmoothingEnabled",
+    "fontStretch",
+    "fontStyle",
+    "fontSynthesis",
+    "fontVariant",
+    "fontVariantAlternates",
+    "fontVariantCaps",
+    "fontVariantEastAsian",
+    "fontVariantLigatures",
+    "fontVariantNumeric",
+    "fontVariantPosition",
+    "fontWeight",
+    "fontcolor",
+    "fonts",
+    "fontsize",
+    "for",
+    "forEach",
+    "forceRedraw",
+    "form",
+    "formAction",
+    "formEnctype",
+    "formMethod",
+    "formNoValidate",
+    "formTarget",
+    "format",
+    "formatToParts",
+    "forms",
+    "forward",
+    "fr",
+    "frame",
+    "frameBorder",
+    "frameElement",
+    "frameSpacing",
+    "framebufferRenderbuffer",
+    "framebufferTexture2D",
+    "frames",
+    "freeSpace",
+    "freeze",
+    "frequency",
+    "frequencyBinCount",
+    "from",
+    "fromCharCode",
+    "fromCodePoint",
+    "fromElement",
+    "frontFace",
+    "fround",
+    "fullScreen",
+    "fullscreenElement",
+    "fullscreenEnabled",
+    "fx",
+    "fy",
+    "gain",
+    "gamepad",
+    "gamma",
+    "genderIdentity",
+    "generateKey",
+    "generateMipmap",
+    "generateRequest",
+    "geolocation",
+    "gestureObject",
+    "get",
+    "getActiveAttrib",
+    "getActiveUniform",
+    "getAdjacentText",
+    "getAll",
+    "getAllResponseHeaders",
+    "getAsFile",
+    "getAsString",
+    "getAttachedShaders",
+    "getAttribLocation",
+    "getAttribute",
+    "getAttributeNS",
+    "getAttributeNode",
+    "getAttributeNodeNS",
+    "getAudioTracks",
+    "getBBox",
+    "getBattery",
+    "getBlob",
+    "getBookmark",
+    "getBoundingClientRect",
+    "getBufferParameter",
+    "getByteFrequencyData",
+    "getByteTimeDomainData",
+    "getCSSCanvasContext",
+    "getCTM",
+    "getCandidateWindowClientRect",
+    "getChannelData",
+    "getCharNumAtPosition",
+    "getClientRect",
+    "getClientRects",
+    "getCompositionAlternatives",
+    "getComputedStyle",
+    "getComputedTextLength",
+    "getConfiguration",
+    "getContext",
+    "getContextAttributes",
+    "getCounterValue",
+    "getCueAsHTML",
+    "getCueById",
+    "getCurrentPosition",
+    "getCurrentTime",
+    "getData",
+    "getDatabaseNames",
+    "getDate",
+    "getDay",
+    "getDefaultComputedStyle",
+    "getDestinationInsertionPoints",
+    "getDistributedNodes",
+    "getEditable",
+    "getElementById",
+    "getElementsByClassName",
+    "getElementsByName",
+    "getElementsByTagName",
+    "getElementsByTagNameNS",
+    "getEnclosureList",
+    "getEndPositionOfChar",
+    "getEntries",
+    "getEntriesByName",
+    "getEntriesByType",
+    "getError",
+    "getExtension",
+    "getExtentOfChar",
+    "getFeature",
+    "getFile",
+    "getFloat32",
+    "getFloat64",
+    "getFloatFrequencyData",
+    "getFloatTimeDomainData",
+    "getFloatValue",
+    "getFramebufferAttachmentParameter",
+    "getFrequencyResponse",
+    "getFullYear",
+    "getGamepads",
+    "getHours",
+    "getImageData",
+    "getInt16",
+    "getInt32",
+    "getInt8",
+    "getIntersectionList",
+    "getItem",
+    "getItems",
+    "getKey",
+    "getLineDash",
+    "getLocalStreams",
+    "getMarks",
+    "getMatchedCSSRules",
+    "getMeasures",
+    "getMetadata",
+    "getMilliseconds",
+    "getMinutes",
+    "getModifierState",
+    "getMonth",
+    "getNamedItem",
+    "getNamedItemNS",
+    "getNotifier",
+    "getNumberOfChars",
+    "getOverrideHistoryNavigationMode",
+    "getOverrideStyle",
+    "getOwnPropertyDescriptor",
+    "getOwnPropertyNames",
+    "getOwnPropertySymbols",
+    "getParameter",
+    "getPathSegAtLength",
+    "getPointAtLength",
+    "getPreference",
+    "getPreferenceDefault",
+    "getPresentationAttribute",
+    "getPreventDefault",
+    "getProgramInfoLog",
+    "getProgramParameter",
+    "getPropertyCSSValue",
+    "getPropertyPriority",
+    "getPropertyShorthand",
+    "getPropertyValue",
+    "getPrototypeOf",
+    "getRGBColorValue",
+    "getRandomValues",
+    "getRangeAt",
+    "getReceivers",
+    "getRectValue",
+    "getRegistration",
+    "getRemoteStreams",
+    "getRenderbufferParameter",
+    "getResponseHeader",
+    "getRoot",
+    "getRotationOfChar",
+    "getSVGDocument",
+    "getScreenCTM",
+    "getSeconds",
+    "getSelection",
+    "getSenders",
+    "getShaderInfoLog",
+    "getShaderParameter",
+    "getShaderPrecisionFormat",
+    "getShaderSource",
+    "getSimpleDuration",
+    "getSiteIcons",
+    "getSources",
+    "getSpeculativeParserUrls",
+    "getStartPositionOfChar",
+    "getStartTime",
+    "getStats",
+    "getStorageUpdates",
+    "getStreamById",
+    "getStringValue",
+    "getSubStringLength",
+    "getSubscription",
+    "getSupportedExtensions",
+    "getTexParameter",
+    "getTime",
+    "getTimezoneOffset",
+    "getTotalLength",
+    "getTrackById",
+    "getTracks",
+    "getTransformToElement",
+    "getUTCDate",
+    "getUTCDay",
+    "getUTCFullYear",
+    "getUTCHours",
+    "getUTCMilliseconds",
+    "getUTCMinutes",
+    "getUTCMonth",
+    "getUTCSeconds",
+    "getUint16",
+    "getUint32",
+    "getUint8",
+    "getUniform",
+    "getUniformLocation",
+    "getUserMedia",
+    "getValues",
+    "getVarDate",
+    "getVariableValue",
+    "getVertexAttrib",
+    "getVertexAttribOffset",
+    "getVideoPlaybackQuality",
+    "getVideoTracks",
+    "getWakeLockState",
+    "getYear",
+    "givenName",
+    "global",
+    "globalAlpha",
+    "globalCompositeOperation",
+    "glyphOrientationHorizontal",
+    "glyphOrientationVertical",
+    "glyphRef",
+    "go",
+    "gradientTransform",
+    "gradientUnits",
+    "grammars",
+    "green",
+    "group",
+    "groupCollapsed",
+    "groupEnd",
+    "hardwareConcurrency",
+    "has",
+    "hasAttribute",
+    "hasAttributeNS",
+    "hasAttributes",
+    "hasChildNodes",
+    "hasComposition",
+    "hasExtension",
+    "hasFeature",
+    "hasFocus",
+    "hasLayout",
+    "hasOwnProperty",
+    "hash",
+    "head",
+    "headers",
+    "heading",
+    "height",
+    "hidden",
+    "hide",
+    "hideFocus",
+    "high",
+    "hint",
+    "history",
+    "honorificPrefix",
+    "honorificSuffix",
+    "horizontalOverflow",
+    "host",
+    "hostname",
+    "href",
+    "hreflang",
+    "hspace",
+    "html5TagCheckInerface",
+    "htmlFor",
+    "htmlText",
+    "httpEquiv",
+    "hwTimestamp",
+    "hypot",
+    "iccId",
+    "iceConnectionState",
+    "iceGatheringState",
+    "icon",
+    "id",
+    "identifier",
+    "identity",
+    "ignoreBOM",
+    "ignoreCase",
+    "image-orientation",
+    "image-rendering",
+    "imageOrientation",
+    "imageRendering",
+    "images",
+    "ime-mode",
+    "imeMode",
+    "implementation",
+    "importKey",
+    "importNode",
+    "importStylesheet",
+    "imports",
+    "impp",
+    "imul",
+    "in1",
+    "in2",
+    "inBandMetadataTrackDispatchType",
+    "inRange",
+    "includes",
+    "incremental",
+    "indeterminate",
+    "index",
+    "indexNames",
+    "indexOf",
+    "indexedDB",
+    "inertiaDestinationX",
+    "inertiaDestinationY",
+    "info",
+    "init",
+    "initAnimationEvent",
+    "initBeforeLoadEvent",
+    "initClipboardEvent",
+    "initCloseEvent",
+    "initCommandEvent",
+    "initCompositionEvent",
+    "initCustomEvent",
+    "initData",
+    "initDeviceMotionEvent",
+    "initDeviceOrientationEvent",
+    "initDragEvent",
+    "initErrorEvent",
+    "initEvent",
+    "initFocusEvent",
+    "initGestureEvent",
+    "initHashChangeEvent",
+    "initKeyEvent",
+    "initKeyboardEvent",
+    "initMSManipulationEvent",
+    "initMessageEvent",
+    "initMouseEvent",
+    "initMouseScrollEvent",
+    "initMouseWheelEvent",
+    "initMutationEvent",
+    "initNSMouseEvent",
+    "initOverflowEvent",
+    "initPageEvent",
+    "initPageTransitionEvent",
+    "initPointerEvent",
+    "initPopStateEvent",
+    "initProgressEvent",
+    "initScrollAreaEvent",
+    "initSimpleGestureEvent",
+    "initStorageEvent",
+    "initTextEvent",
+    "initTimeEvent",
+    "initTouchEvent",
+    "initTransitionEvent",
+    "initUIEvent",
+    "initWebKitAnimationEvent",
+    "initWebKitTransitionEvent",
+    "initWebKitWheelEvent",
+    "initWheelEvent",
+    "initialTime",
+    "initialize",
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+    "innerText",
+    "innerWidth",
+    "input",
+    "inputBuffer",
+    "inputEncoding",
+    "inputMethod",
+    "insertAdjacentElement",
+    "insertAdjacentHTML",
+    "insertAdjacentText",
+    "insertBefore",
+    "insertCell",
+    "insertData",
+    "insertItemBefore",
+    "insertNode",
+    "insertRow",
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+    "instanceRoot",
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+    "inverse",
+    "invertSelf",
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+    "isBingCurrentSearchDefault",
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+    "isCandidateWindowVisible",
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+    "isCollapsed",
+    "isComposing",
+    "isContentEditable",
+    "isContentHandlerRegistered",
+    "isContextLost",
+    "isDefaultNamespace",
+    "isDisabled",
+    "isEnabled",
+    "isEqual",
+    "isEqualNode",
+    "isExtensible",
+    "isFinite",
+    "isFramebuffer",
+    "isFrozen",
+    "isGenerator",
+    "isId",
+    "isInjected",
+    "isInteger",
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+    "isOpen",
+    "isPointInFill",
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+    "isPointInRange",
+    "isPointInStroke",
+    "isPrefAlternate",
+    "isPrimary",
+    "isProgram",
+    "isPropertyImplicit",
+    "isProtocolHandlerRegistered",
+    "isPrototypeOf",
+    "isRenderbuffer",
+    "isSafeInteger",
+    "isSameNode",
+    "isSealed",
+    "isShader",
+    "isSupported",
+    "isTextEdit",
+    "isTexture",
+    "isTrusted",
+    "isTypeSupported",
+    "isView",
+    "isolation",
+    "italics",
+    "item",
+    "itemId",
+    "itemProp",
+    "itemRef",
+    "itemScope",
+    "itemType",
+    "itemValue",
+    "iterateNext",
+    "iterator",
+    "javaEnabled",
+    "jobTitle",
+    "join",
+    "json",
+    "justify-content",
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+    "k1",
+    "k2",
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+    "k4",
+    "kernelMatrix",
+    "kernelUnitLengthX",
+    "kernelUnitLengthY",
+    "kerning",
+    "key",
+    "keyCode",
+    "keyFor",
+    "keyIdentifier",
+    "keyLightEnabled",
+    "keyLocation",
+    "keyPath",
+    "keySystem",
+    "keyText",
+    "keyUsage",
+    "keys",
+    "keytype",
+    "kind",
+    "knee",
+    "label",
+    "labels",
+    "lang",
+    "language",
+    "languages",
+    "largeArcFlag",
+    "lastChild",
+    "lastElementChild",
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+    "lastIndex",
+    "lastIndexOf",
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+    "lastMessageSubject",
+    "lastMessageType",
+    "lastModified",
+    "lastModifiedDate",
+    "lastPage",
+    "lastParen",
+    "lastState",
+    "lastStyleSheetSet",
+    "latitude",
+    "layerX",
+    "layerY",
+    "layoutFlow",
+    "layoutGrid",
+    "layoutGridChar",
+    "layoutGridLine",
+    "layoutGridMode",
+    "layoutGridType",
+    "lbound",
+    "left",
+    "leftContext",
+    "leftMargin",
+    "length",
+    "lengthAdjust",
+    "lengthComputable",
+    "letter-spacing",
+    "letterSpacing",
+    "level",
+    "lighting-color",
+    "lightingColor",
+    "limitingConeAngle",
+    "line",
+    "line-height",
+    "lineAlign",
+    "lineBreak",
+    "lineCap",
+    "lineDashOffset",
+    "lineHeight",
+    "lineJoin",
+    "lineNumber",
+    "lineTo",
+    "lineWidth",
+    "linearRampToValueAtTime",
+    "lineno",
+    "link",
+    "linkColor",
+    "linkProgram",
+    "links",
+    "list",
+    "list-style",
+    "list-style-image",
+    "list-style-position",
+    "list-style-type",
+    "listStyle",
+    "listStyleImage",
+    "listStylePosition",
+    "listStyleType",
+    "listener",
+    "load",
+    "loadEventEnd",
+    "loadEventStart",
+    "loadTimes",
+    "loaded",
+    "localDescription",
+    "localName",
+    "localStorage",
+    "locale",
+    "localeCompare",
+    "location",
+    "locationbar",
+    "lock",
+    "lockedFile",
+    "log",
+    "log10",
+    "log1p",
+    "log2",
+    "logicalXDPI",
+    "logicalYDPI",
+    "longDesc",
+    "longitude",
+    "lookupNamespaceURI",
+    "lookupPrefix",
+    "loop",
+    "loopEnd",
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+    "low",
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+    "margin",
+    "margin-bottom",
+    "margin-left",
+    "margin-right",
+    "margin-top",
+    "marginBottom",
+    "marginHeight",
+    "marginLeft",
+    "marginRight",
+    "marginTop",
+    "marginWidth",
+    "mark",
+    "marker",
+    "marker-end",
+    "marker-mid",
+    "marker-offset",
+    "marker-start",
+    "markerEnd",
+    "markerHeight",
+    "markerMid",
+    "markerOffset",
+    "markerStart",
+    "markerUnits",
+    "markerWidth",
+    "marks",
+    "mask",
+    "mask-type",
+    "maskContentUnits",
+    "maskType",
+    "maskUnits",
+    "match",
+    "matchMedia",
+    "matchMedium",
+    "matches",
+    "matrix",
+    "matrixTransform",
+    "max",
+    "max-height",
+    "max-width",
+    "maxAlternatives",
+    "maxChannelCount",
+    "maxConnectionsPerServer",
+    "maxDecibels",
+    "maxDistance",
+    "maxHeight",
+    "maxLength",
+    "maxTouchPoints",
+    "maxValue",
+    "maxWidth",
+    "measure",
+    "measureText",
+    "media",
+    "mediaCapabilities",
+    "mediaDevices",
+    "mediaElement",
+    "mediaGroup",
+    "mediaKeys",
+    "mediaText",
+    "meetOrSlice",
+    "memory",
+    "menubar",
+    "mergeAttributes",
+    "message",
+    "messageClass",
+    "messageHandlers",
+    "metaKey",
+    "method",
+    "mimeType",
+    "mimeTypes",
+    "min",
+    "min-height",
+    "min-width",
+    "minDecibels",
+    "minHeight",
+    "minValue",
+    "minWidth",
+    "miterLimit",
+    "mix-blend-mode",
+    "mixBlendMode",
+    "mode",
+    "modify",
+    "mount",
+    "move",
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+    "moveEnd",
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+    "moveFocusDown",
+    "moveFocusLeft",
+    "moveFocusRight",
+    "moveFocusUp",
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+    "moveToBookmark",
+    "moveToElementText",
+    "moveToPoint",
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+    "mozContact",
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+    "mozGetMetadata",
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+    "mozHasAudio",
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+    "mozInnerScreenX",
+    "mozInnerScreenY",
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+    "mozLockOrientation",
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+    "mozMovementX",
+    "mozMovementY",
+    "mozOpaque",
+    "mozOrientation",
+    "mozPaintCount",
+    "mozPaintedFrames",
+    "mozParsedFrames",
+    "mozPay",
+    "mozPointerLockElement",
+    "mozPresentedFrames",
+    "mozPreservesPitch",
+    "mozPressure",
+    "mozPrintCallback",
+    "mozRTCIceCandidate",
+    "mozRTCPeerConnection",
+    "mozRTCSessionDescription",
+    "mozRemove",
+    "mozRequestAnimationFrame",
+    "mozRequestFullScreen",
+    "mozRequestPointerLock",
+    "mozSetDataAt",
+    "mozSetImageElement",
+    "mozSourceNode",
+    "mozSrcObject",
+    "mozSystem",
+    "mozTCPSocket",
+    "mozTextStyle",
+    "mozTypesAt",
+    "mozUnlockOrientation",
+    "mozUserCancelled",
+    "mozVisibilityState",
+    "msAnimation",
+    "msAnimationDelay",
+    "msAnimationDirection",
+    "msAnimationDuration",
+    "msAnimationFillMode",
+    "msAnimationIterationCount",
+    "msAnimationName",
+    "msAnimationPlayState",
+    "msAnimationStartTime",
+    "msAnimationTimingFunction",
+    "msBackfaceVisibility",
+    "msBlockProgression",
+    "msCSSOMElementFloatMetrics",
+    "msCaching",
+    "msCachingEnabled",
+    "msCancelRequestAnimationFrame",
+    "msCapsLockWarningOff",
+    "msClearImmediate",
+    "msClose",
+    "msContentZoomChaining",
+    "msContentZoomFactor",
+    "msContentZoomLimit",
+    "msContentZoomLimitMax",
+    "msContentZoomLimitMin",
+    "msContentZoomSnap",
+    "msContentZoomSnapPoints",
+    "msContentZoomSnapType",
+    "msContentZooming",
+    "msConvertURL",
+    "msCrypto",
+    "msDoNotTrack",
+    "msElementsFromPoint",
+    "msElementsFromRect",
+    "msExitFullscreen",
+    "msExtendedCode",
+    "msFillRule",
+    "msFirstPaint",
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+    "msFlexDirection",
+    "msFlexFlow",
+    "msFlexItemAlign",
+    "msFlexLinePack",
+    "msFlexNegative",
+    "msFlexOrder",
+    "msFlexPack",
+    "msFlexPositive",
+    "msFlexPreferredSize",
+    "msFlexWrap",
+    "msFlowFrom",
+    "msFlowInto",
+    "msFontFeatureSettings",
+    "msFullscreenElement",
+    "msFullscreenEnabled",
+    "msGetInputContext",
+    "msGetRegionContent",
+    "msGetUntransformedBounds",
+    "msGraphicsTrustStatus",
+    "msGridColumn",
+    "msGridColumnAlign",
+    "msGridColumnSpan",
+    "msGridColumns",
+    "msGridRow",
+    "msGridRowAlign",
+    "msGridRowSpan",
+    "msGridRows",
+    "msHidden",
+    "msHighContrastAdjust",
+    "msHyphenateLimitChars",
+    "msHyphenateLimitLines",
+    "msHyphenateLimitZone",
+    "msHyphens",
+    "msImageSmoothingEnabled",
+    "msImeAlign",
+    "msIndexedDB",
+    "msInterpolationMode",
+    "msIsStaticHTML",
+    "msKeySystem",
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+    "msLaunchUri",
+    "msLockOrientation",
+    "msManipulationViewsEnabled",
+    "msMatchMedia",
+    "msMatchesSelector",
+    "msMaxTouchPoints",
+    "msOrientation",
+    "msOverflowStyle",
+    "msPerspective",
+    "msPerspectiveOrigin",
+    "msPlayToDisabled",
+    "msPlayToPreferredSourceUri",
+    "msPlayToPrimary",
+    "msPointerEnabled",
+    "msRegionOverflow",
+    "msReleasePointerCapture",
+    "msRequestAnimationFrame",
+    "msRequestFullscreen",
+    "msSaveBlob",
+    "msSaveOrOpenBlob",
+    "msScrollChaining",
+    "msScrollLimit",
+    "msScrollLimitXMax",
+    "msScrollLimitXMin",
+    "msScrollLimitYMax",
+    "msScrollLimitYMin",
+    "msScrollRails",
+    "msScrollSnapPointsX",
+    "msScrollSnapPointsY",
+    "msScrollSnapType",
+    "msScrollSnapX",
+    "msScrollSnapY",
+    "msScrollTranslation",
+    "msSetImmediate",
+    "msSetMediaKeys",
+    "msSetPointerCapture",
+    "msTextCombineHorizontal",
+    "msTextSizeAdjust",
+    "msToBlob",
+    "msTouchAction",
+    "msTouchSelect",
+    "msTraceAsyncCallbackCompleted",
+    "msTraceAsyncCallbackStarting",
+    "msTraceAsyncOperationCompleted",
+    "msTraceAsyncOperationStarting",
+    "msTransform",
+    "msTransformOrigin",
+    "msTransformStyle",
+    "msTransition",
+    "msTransitionDelay",
+    "msTransitionDuration",
+    "msTransitionProperty",
+    "msTransitionTimingFunction",
+    "msUnlockOrientation",
+    "msUpdateAsyncCallbackRelation",
+    "msUserSelect",
+    "msVisibilityState",
+    "msWrapFlow",
+    "msWrapMargin",
+    "msWrapThrough",
+    "msWriteProfilerMark",
+    "msZoom",
+    "msZoomTo",
+    "mt",
+    "multiEntry",
+    "multiSelectionObj",
+    "multiline",
+    "multiple",
+    "multiply",
+    "multiplySelf",
+    "mutableFile",
+    "muted",
+    "n",
+    "name",
+    "nameProp",
+    "namedItem",
+    "namedRecordset",
+    "names",
+    "namespaceURI",
+    "namespaces",
+    "naturalHeight",
+    "naturalWidth",
+    "navigate",
+    "navigation",
+    "navigationMode",
+    "navigationStart",
+    "navigator",
+    "near",
+    "nearestViewportElement",
+    "negative",
+    "netscape",
+    "networkState",
+    "newScale",
+    "newTranslate",
+    "newURL",
+    "newValue",
+    "newValueSpecifiedUnits",
+    "newVersion",
+    "newhome",
+    "next",
+    "nextElementSibling",
+    "nextNode",
+    "nextPage",
+    "nextSibling",
+    "nickname",
+    "noHref",
+    "noResize",
+    "noShade",
+    "noValidate",
+    "noWrap",
+    "nodeName",
+    "nodeType",
+    "nodeValue",
+    "normalize",
+    "normalizedPathSegList",
+    "notationName",
+    "notations",
+    "note",
+    "noteGrainOn",
+    "noteOff",
+    "noteOn",
+    "now",
+    "numOctaves",
+    "number",
+    "numberOfChannels",
+    "numberOfInputs",
+    "numberOfItems",
+    "numberOfOutputs",
+    "numberValue",
+    "oMatchesSelector",
+    "object",
+    "object-fit",
+    "object-position",
+    "objectFit",
+    "objectPosition",
+    "objectStore",
+    "objectStoreNames",
+    "observe",
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+    "offscreenBuffering",
+    "offset",
+    "offsetHeight",
+    "offsetLeft",
+    "offsetNode",
+    "offsetParent",
+    "offsetTop",
+    "offsetWidth",
+    "offsetX",
+    "offsetY",
+    "ok",
+    "oldURL",
+    "oldValue",
+    "oldVersion",
+    "olderShadowRoot",
+    "onLine",
+    "onabort",
+    "onactivate",
+    "onactive",
+    "onaddstream",
+    "onaddtrack",
+    "onafterprint",
+    "onafterscriptexecute",
+    "onafterupdate",
+    "onaudioend",
+    "onaudioprocess",
+    "onaudiostart",
+    "onautocomplete",
+    "onautocompleteerror",
+    "onbeforeactivate",
+    "onbeforecopy",
+    "onbeforecut",
+    "onbeforedeactivate",
+    "onbeforeeditfocus",
+    "onbeforepaste",
+    "onbeforeprint",
+    "onbeforescriptexecute",
+    "onbeforeunload",
+    "onbeforeupdate",
+    "onblocked",
+    "onblur",
+    "onbounce",
+    "onboundary",
+    "oncached",
+    "oncancel",
+    "oncandidatewindowhide",
+    "oncandidatewindowshow",
+    "oncandidatewindowupdate",
+    "oncanplay",
+    "oncanplaythrough",
+    "once",
+    "oncellchange",
+    "onchange",
+    "onchargingchange",
+    "onchargingtimechange",
+    "onchecking",
+    "onclick",
+    "onclose",
+    "oncompassneedscalibration",
+    "oncomplete",
+    "oncontextmenu",
+    "oncontrolselect",
+    "oncopy",
+    "oncuechange",
+    "oncut",
+    "ondataavailable",
+    "ondatachannel",
+    "ondatasetchanged",
+    "ondatasetcomplete",
+    "ondblclick",
+    "ondeactivate",
+    "ondevicelight",
+    "ondevicemotion",
+    "ondeviceorientation",
+    "ondeviceproximity",
+    "ondischargingtimechange",
+    "ondisplay",
+    "ondownloading",
+    "ondrag",
+    "ondragend",
+    "ondragenter",
+    "ondragleave",
+    "ondragover",
+    "ondragstart",
+    "ondrop",
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+    "onemptied",
+    "onencrypted",
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+    "onended",
+    "onenter",
+    "onerror",
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+    "onfinish",
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+    "onfullscreenchange",
+    "onfullscreenerror",
+    "ongesturechange",
+    "ongestureend",
+    "ongesturestart",
+    "ongotpointercapture",
+    "onhashchange",
+    "onhelp",
+    "onicecandidate",
+    "oniceconnectionstatechange",
+    "oninactive",
+    "oninput",
+    "oninvalid",
+    "onkeydown",
+    "onkeypress",
+    "onkeyup",
+    "onlanguagechange",
+    "onlayoutcomplete",
+    "onlevelchange",
+    "onload",
+    "onloadeddata",
+    "onloadedmetadata",
+    "onloadend",
+    "onloadstart",
+    "onlosecapture",
+    "onlostpointercapture",
+    "only",
+    "onmark",
+    "onmessage",
+    "onmousedown",
+    "onmouseenter",
+    "onmouseleave",
+    "onmousemove",
+    "onmouseout",
+    "onmouseover",
+    "onmouseup",
+    "onmousewheel",
+    "onmove",
+    "onmoveend",
+    "onmovestart",
+    "onmozfullscreenchange",
+    "onmozfullscreenerror",
+    "onmozorientationchange",
+    "onmozpointerlockchange",
+    "onmozpointerlockerror",
+    "onmscontentzoom",
+    "onmsfullscreenchange",
+    "onmsfullscreenerror",
+    "onmsgesturechange",
+    "onmsgesturedoubletap",
+    "onmsgestureend",
+    "onmsgesturehold",
+    "onmsgesturestart",
+    "onmsgesturetap",
+    "onmsgotpointercapture",
+    "onmsinertiastart",
+    "onmslostpointercapture",
+    "onmsmanipulationstatechanged",
+    "onmsneedkey",
+    "onmsorientationchange",
+    "onmspointercancel",
+    "onmspointerdown",
+    "onmspointerenter",
+    "onmspointerhover",
+    "onmspointerleave",
+    "onmspointermove",
+    "onmspointerout",
+    "onmspointerover",
+    "onmspointerup",
+    "onmssitemodejumplistitemremoved",
+    "onmsthumbnailclick",
+    "onnegotiationneeded",
+    "onnomatch",
+    "onnoupdate",
+    "onobsolete",
+    "onoffline",
+    "ononline",
+    "onopen",
+    "onorientationchange",
+    "onpagechange",
+    "onpagehide",
+    "onpageshow",
+    "onpaste",
+    "onpause",
+    "onplay",
+    "onplaying",
+    "onpluginstreamstart",
+    "onpointercancel",
+    "onpointerdown",
+    "onpointerenter",
+    "onpointerleave",
+    "onpointerlockchange",
+    "onpointerlockerror",
+    "onpointermove",
+    "onpointerout",
+    "onpointerover",
+    "onpointerup",
+    "onpopstate",
+    "onprogress",
+    "onpropertychange",
+    "onratechange",
+    "onreadystatechange",
+    "onremovestream",
+    "onremovetrack",
+    "onreset",
+    "onresize",
+    "onresizeend",
+    "onresizestart",
+    "onresourcetimingbufferfull",
+    "onresult",
+    "onresume",
+    "onrowenter",
+    "onrowexit",
+    "onrowsdelete",
+    "onrowsinserted",
+    "onscroll",
+    "onsearch",
+    "onseeked",
+    "onseeking",
+    "onselect",
+    "onselectionchange",
+    "onselectstart",
+    "onshow",
+    "onsignalingstatechange",
+    "onsoundend",
+    "onsoundstart",
+    "onspeechend",
+    "onspeechstart",
+    "onstalled",
+    "onstart",
+    "onstatechange",
+    "onstop",
+    "onstorage",
+    "onstoragecommit",
+    "onsubmit",
+    "onsuccess",
+    "onsuspend",
+    "ontextinput",
+    "ontimeout",
+    "ontimeupdate",
+    "ontoggle",
+    "ontouchcancel",
+    "ontouchend",
+    "ontouchmove",
+    "ontouchstart",
+    "ontransitionend",
+    "onunload",
+    "onupdateready",
+    "onupgradeneeded",
+    "onuserproximity",
+    "onversionchange",
+    "onvoiceschanged",
+    "onvolumechange",
+    "onwaiting",
+    "onwarning",
+    "onwebkitanimationend",
+    "onwebkitanimationiteration",
+    "onwebkitanimationstart",
+    "onwebkitcurrentplaybacktargetiswirelesschanged",
+    "onwebkitfullscreenchange",
+    "onwebkitfullscreenerror",
+    "onwebkitkeyadded",
+    "onwebkitkeyerror",
+    "onwebkitkeymessage",
+    "onwebkitneedkey",
+    "onwebkitorientationchange",
+    "onwebkitplaybacktargetavailabilitychanged",
+    "onwebkitpointerlockchange",
+    "onwebkitpointerlockerror",
+    "onwebkitresourcetimingbufferfull",
+    "onwebkittransitionend",
+    "onwheel",
+    "onzoom",
+    "opacity",
+    "open",
+    "openCursor",
+    "openDatabase",
+    "openKeyCursor",
+    "opener",
+    "opera",
+    "operationType",
+    "operator",
+    "opr",
+    "optimum",
+    "options",
+    "order",
+    "orderX",
+    "orderY",
+    "ordered",
+    "org",
+    "orient",
+    "orientAngle",
+    "orientType",
+    "orientation",
+    "origin",
+    "originalTarget",
+    "orphans",
+    "oscpu",
+    "outerHTML",
+    "outerHeight",
+    "outerText",
+    "outerWidth",
+    "outline",
+    "outline-color",
+    "outline-offset",
+    "outline-style",
+    "outline-width",
+    "outlineColor",
+    "outlineOffset",
+    "outlineStyle",
+    "outlineWidth",
+    "outputBuffer",
+    "overflow",
+    "overflow-x",
+    "overflow-y",
+    "overflowX",
+    "overflowY",
+    "overrideMimeType",
+    "oversample",
+    "ownerDocument",
+    "ownerElement",
+    "ownerNode",
+    "ownerRule",
+    "ownerSVGElement",
+    "owningElement",
+    "p1",
+    "p2",
+    "p3",
+    "p4",
+    "pad",
+    "padding",
+    "padding-bottom",
+    "padding-left",
+    "padding-right",
+    "padding-top",
+    "paddingBottom",
+    "paddingLeft",
+    "paddingRight",
+    "paddingTop",
+    "page",
+    "page-break-after",
+    "page-break-before",
+    "page-break-inside",
+    "pageBreakAfter",
+    "pageBreakBefore",
+    "pageBreakInside",
+    "pageCount",
+    "pageX",
+    "pageXOffset",
+    "pageY",
+    "pageYOffset",
+    "pages",
+    "paint-order",
+    "paintOrder",
+    "paintRequests",
+    "paintType",
+    "palette",
+    "panningModel",
+    "parent",
+    "parentElement",
+    "parentNode",
+    "parentRule",
+    "parentStyleSheet",
+    "parentTextEdit",
+    "parentWindow",
+    "parse",
+    "parseFloat",
+    "parseFromString",
+    "parseInt",
+    "participants",
+    "passive",
+    "password",
+    "pasteHTML",
+    "path",
+    "pathLength",
+    "pathSegList",
+    "pathSegType",
+    "pathSegTypeAsLetter",
+    "pathname",
+    "pattern",
+    "patternContentUnits",
+    "patternMismatch",
+    "patternTransform",
+    "patternUnits",
+    "pause",
+    "pauseAnimations",
+    "pauseOnExit",
+    "paused",
+    "pending",
+    "performance",
+    "permission",
+    "persisted",
+    "personalbar",
+    "perspective",
+    "perspective-origin",
+    "perspectiveOrigin",
+    "phoneticFamilyName",
+    "phoneticGivenName",
+    "photo",
+    "ping",
+    "pitch",
+    "pixelBottom",
+    "pixelDepth",
+    "pixelHeight",
+    "pixelLeft",
+    "pixelRight",
+    "pixelStorei",
+    "pixelTop",
+    "pixelUnitToMillimeterX",
+    "pixelUnitToMillimeterY",
+    "pixelWidth",
+    "placeholder",
+    "platform",
+    "play",
+    "playbackRate",
+    "playbackState",
+    "playbackTime",
+    "played",
+    "plugins",
+    "pluginspage",
+    "pname",
+    "pointer-events",
+    "pointerBeforeReferenceNode",
+    "pointerEnabled",
+    "pointerEvents",
+    "pointerId",
+    "pointerLockElement",
+    "pointerType",
+    "points",
+    "pointsAtX",
+    "pointsAtY",
+    "pointsAtZ",
+    "polygonOffset",
+    "pop",
+    "popupWindowFeatures",
+    "popupWindowName",
+    "popupWindowURI",
+    "port",
+    "port1",
+    "port2",
+    "ports",
+    "posBottom",
+    "posHeight",
+    "posLeft",
+    "posRight",
+    "posTop",
+    "posWidth",
+    "position",
+    "positionAlign",
+    "postError",
+    "postMessage",
+    "poster",
+    "pow",
+    "powerOff",
+    "preMultiplySelf",
+    "precision",
+    "preferredStyleSheetSet",
+    "preferredStylesheetSet",
+    "prefix",
+    "preload",
+    "prepend",
+    "preserveAlpha",
+    "preserveAspectRatio",
+    "preserveAspectRatioString",
+    "pressed",
+    "pressure",
+    "prevValue",
+    "preventDefault",
+    "preventExtensions",
+    "previousElementSibling",
+    "previousNode",
+    "previousPage",
+    "previousScale",
+    "previousSibling",
+    "previousTranslate",
+    "primaryKey",
+    "primitiveType",
+    "primitiveUnits",
+    "principals",
+    "print",
+    "privateKey",
+    "probablySupportsContext",
+    "process",
+    "processIceMessage",
+    "product",
+    "productSub",
+    "profile",
+    "profileEnd",
+    "profiles",
+    "prompt",
+    "properties",
+    "propertyIsEnumerable",
+    "propertyName",
+    "protocol",
+    "protocolLong",
+    "prototype",
+    "pseudoClass",
+    "pseudoElement",
+    "publicId",
+    "publicKey",
+    "published",
+    "push",
+    "pushNotification",
+    "pushState",
+    "put",
+    "putImageData",
+    "quadraticCurveTo",
+    "qualifier",
+    "queryCommandEnabled",
+    "queryCommandIndeterm",
+    "queryCommandState",
+    "queryCommandSupported",
+    "queryCommandText",
+    "queryCommandValue",
+    "querySelector",
+    "querySelectorAll",
+    "quote",
+    "quotes",
+    "r",
+    "r1",
+    "r2",
+    "race",
+    "radiogroup",
+    "radiusX",
+    "radiusY",
+    "random",
+    "range",
+    "rangeCount",
+    "rangeMax",
+    "rangeMin",
+    "rangeOffset",
+    "rangeOverflow",
+    "rangeParent",
+    "rangeUnderflow",
+    "rate",
+    "ratio",
+    "raw",
+    "read",
+    "readAsArrayBuffer",
+    "readAsBinaryString",
+    "readAsBlob",
+    "readAsDataURL",
+    "readAsText",
+    "readOnly",
+    "readPixels",
+    "readReportRequested",
+    "readyState",
+    "reason",
+    "reboot",
+    "receiver",
+    "receivers",
+    "recordNumber",
+    "recordset",
+    "rect",
+    "red",
+    "redirectCount",
+    "redirectEnd",
+    "redirectStart",
+    "reduce",
+    "reduceRight",
+    "reduction",
+    "refDistance",
+    "refX",
+    "refY",
+    "referenceNode",
+    "referrer",
+    "refresh",
+    "region",
+    "regionAnchorX",
+    "regionAnchorY",
+    "regionId",
+    "regions",
+    "register",
+    "registerContentHandler",
+    "registerElement",
+    "registerProtocolHandler",
+    "reject",
+    "rel",
+    "relList",
+    "relatedNode",
+    "relatedTarget",
+    "release",
+    "releaseCapture",
+    "releaseEvents",
+    "releasePointerCapture",
+    "releaseShaderCompiler",
+    "reliable",
+    "reload",
+    "remainingSpace",
+    "remoteDescription",
+    "remove",
+    "removeAllRanges",
+    "removeAttribute",
+    "removeAttributeNS",
+    "removeAttributeNode",
+    "removeBehavior",
+    "removeChild",
+    "removeCue",
+    "removeEventListener",
+    "removeFilter",
+    "removeImport",
+    "removeItem",
+    "removeListener",
+    "removeNamedItem",
+    "removeNamedItemNS",
+    "removeNode",
+    "removeParameter",
+    "removeProperty",
+    "removeRange",
+    "removeRegion",
+    "removeRule",
+    "removeSiteSpecificTrackingException",
+    "removeSourceBuffer",
+    "removeStream",
+    "removeTrack",
+    "removeVariable",
+    "removeWakeLockListener",
+    "removeWebWideTrackingException",
+    "removedNodes",
+    "renderbufferStorage",
+    "renderedBuffer",
+    "renderingMode",
+    "repeat",
+    "replace",
+    "replaceAdjacentText",
+    "replaceChild",
+    "replaceData",
+    "replaceId",
+    "replaceItem",
+    "replaceNode",
+    "replaceState",
+    "replaceTrack",
+    "replaceWholeText",
+    "reportValidity",
+    "requestAnimationFrame",
+    "requestAutocomplete",
+    "requestData",
+    "requestFullscreen",
+    "requestMediaKeySystemAccess",
+    "requestPermission",
+    "requestPointerLock",
+    "requestStart",
+    "requestingWindow",
+    "required",
+    "requiredExtensions",
+    "requiredFeatures",
+    "reset",
+    "resetTransform",
+    "resize",
+    "resizeBy",
+    "resizeTo",
+    "resolve",
+    "response",
+    "responseBody",
+    "responseEnd",
+    "responseStart",
+    "responseText",
+    "responseType",
+    "responseURL",
+    "responseXML",
+    "restore",
+    "result",
+    "resultType",
+    "resume",
+    "returnValue",
+    "rev",
+    "reverse",
+    "reversed",
+    "revocable",
+    "revokeObjectURL",
+    "rgbColor",
+    "right",
+    "rightContext",
+    "rightMargin",
+    "rolloffFactor",
+    "root",
+    "rootElement",
+    "rotate",
+    "rotateAxisAngle",
+    "rotateAxisAngleSelf",
+    "rotateFromVector",
+    "rotateFromVectorSelf",
+    "rotateSelf",
+    "rotation",
+    "rotationRate",
+    "round",
+    "rowIndex",
+    "rowSpan",
+    "rows",
+    "rubyAlign",
+    "rubyOverhang",
+    "rubyPosition",
+    "rules",
+    "runtime",
+    "runtimeStyle",
+    "rx",
+    "ry",
+    "safari",
+    "sampleCoverage",
+    "sampleRate",
+    "sandbox",
+    "save",
+    "scale",
+    "scale3d",
+    "scale3dSelf",
+    "scaleNonUniform",
+    "scaleNonUniformSelf",
+    "scaleSelf",
+    "scheme",
+    "scissor",
+    "scope",
+    "scopeName",
+    "scoped",
+    "screen",
+    "screenBrightness",
+    "screenEnabled",
+    "screenLeft",
+    "screenPixelToMillimeterX",
+    "screenPixelToMillimeterY",
+    "screenTop",
+    "screenX",
+    "screenY",
+    "scripts",
+    "scroll",
+    "scroll-behavior",
+    "scrollAmount",
+    "scrollBehavior",
+    "scrollBy",
+    "scrollByLines",
+    "scrollByPages",
+    "scrollDelay",
+    "scrollHeight",
+    "scrollIntoView",
+    "scrollIntoViewIfNeeded",
+    "scrollLeft",
+    "scrollLeftMax",
+    "scrollMaxX",
+    "scrollMaxY",
+    "scrollTo",
+    "scrollTop",
+    "scrollTopMax",
+    "scrollWidth",
+    "scrollX",
+    "scrollY",
+    "scrollbar3dLightColor",
+    "scrollbarArrowColor",
+    "scrollbarBaseColor",
+    "scrollbarDarkShadowColor",
+    "scrollbarFaceColor",
+    "scrollbarHighlightColor",
+    "scrollbarShadowColor",
+    "scrollbarTrackColor",
+    "scrollbars",
+    "scrolling",
+    "sdp",
+    "sdpMLineIndex",
+    "sdpMid",
+    "seal",
+    "search",
+    "searchBox",
+    "searchBoxJavaBridge_",
+    "searchParams",
+    "sectionRowIndex",
+    "secureConnectionStart",
+    "security",
+    "seed",
+    "seekable",
+    "seeking",
+    "select",
+    "selectAllChildren",
+    "selectNode",
+    "selectNodeContents",
+    "selectNodes",
+    "selectSingleNode",
+    "selectSubString",
+    "selected",
+    "selectedIndex",
+    "selectedOptions",
+    "selectedStyleSheetSet",
+    "selectedStylesheetSet",
+    "selection",
+    "selectionDirection",
+    "selectionEnd",
+    "selectionStart",
+    "selector",
+    "selectorText",
+    "self",
+    "send",
+    "sendAsBinary",
+    "sendBeacon",
+    "sender",
+    "sentTimestamp",
+    "separator",
+    "serializeToString",
+    "serviceWorker",
+    "sessionId",
+    "sessionStorage",
+    "set",
+    "setActive",
+    "setAlpha",
+    "setAttribute",
+    "setAttributeNS",
+    "setAttributeNode",
+    "setAttributeNodeNS",
+    "setBaseAndExtent",
+    "setBingCurrentSearchDefault",
+    "setCapture",
+    "setColor",
+    "setCompositeOperation",
+    "setCurrentTime",
+    "setCustomValidity",
+    "setData",
+    "setDate",
+    "setDragImage",
+    "setEnd",
+    "setEndAfter",
+    "setEndBefore",
+    "setEndPoint",
+    "setFillColor",
+    "setFilterRes",
+    "setFloat32",
+    "setFloat64",
+    "setFloatValue",
+    "setFullYear",
+    "setHours",
+    "setImmediate",
+    "setInt16",
+    "setInt32",
+    "setInt8",
+    "setInterval",
+    "setItem",
+    "setLineCap",
+    "setLineDash",
+    "setLineJoin",
+    "setLineWidth",
+    "setLocalDescription",
+    "setMatrix",
+    "setMatrixValue",
+    "setMediaKeys",
+    "setMilliseconds",
+    "setMinutes",
+    "setMiterLimit",
+    "setMonth",
+    "setNamedItem",
+    "setNamedItemNS",
+    "setNonUserCodeExceptions",
+    "setOrientToAngle",
+    "setOrientToAuto",
+    "setOrientation",
+    "setOverrideHistoryNavigationMode",
+    "setPaint",
+    "setParameter",
+    "setPeriodicWave",
+    "setPointerCapture",
+    "setPosition",
+    "setPreference",
+    "setProperty",
+    "setPrototypeOf",
+    "setRGBColor",
+    "setRGBColorICCColor",
+    "setRadius",
+    "setRangeText",
+    "setRemoteDescription",
+    "setRequestHeader",
+    "setResizable",
+    "setResourceTimingBufferSize",
+    "setRotate",
+    "setScale",
+    "setSeconds",
+    "setSelectionRange",
+    "setServerCertificate",
+    "setShadow",
+    "setSkewX",
+    "setSkewY",
+    "setStart",
+    "setStartAfter",
+    "setStartBefore",
+    "setStdDeviation",
+    "setStringValue",
+    "setStrokeColor",
+    "setSuggestResult",
+    "setTargetAtTime",
+    "setTargetValueAtTime",
+    "setTime",
+    "setTimeout",
+    "setTransform",
+    "setTranslate",
+    "setUTCDate",
+    "setUTCFullYear",
+    "setUTCHours",
+    "setUTCMilliseconds",
+    "setUTCMinutes",
+    "setUTCMonth",
+    "setUTCSeconds",
+    "setUint16",
+    "setUint32",
+    "setUint8",
+    "setUri",
+    "setValueAtTime",
+    "setValueCurveAtTime",
+    "setVariable",
+    "setVelocity",
+    "setVersion",
+    "setYear",
+    "settingName",
+    "settingValue",
+    "sex",
+    "shaderSource",
+    "shadowBlur",
+    "shadowColor",
+    "shadowOffsetX",
+    "shadowOffsetY",
+    "shadowRoot",
+    "shape",
+    "shape-rendering",
+    "shapeRendering",
+    "sheet",
+    "shift",
+    "shiftKey",
+    "shiftLeft",
+    "show",
+    "showHelp",
+    "showModal",
+    "showModalDialog",
+    "showModelessDialog",
+    "showNotification",
+    "sidebar",
+    "sign",
+    "signalingState",
+    "sin",
+    "singleNodeValue",
+    "sinh",
+    "size",
+    "sizeToContent",
+    "sizes",
+    "skewX",
+    "skewXSelf",
+    "skewY",
+    "skewYSelf",
+    "slice",
+    "slope",
+    "small",
+    "smil",
+    "smooth",
+    "smoothingTimeConstant",
+    "snapToLines",
+    "snapshotItem",
+    "snapshotLength",
+    "some",
+    "sort",
+    "source",
+    "sourceBuffer",
+    "sourceBuffers",
+    "sourceIndex",
+    "spacing",
+    "span",
+    "speakAs",
+    "speaking",
+    "specified",
+    "specularConstant",
+    "specularExponent",
+    "speechSynthesis",
+    "speed",
+    "speedOfSound",
+    "spellcheck",
+    "splice",
+    "split",
+    "splitText",
+    "spreadMethod",
+    "sqrt",
+    "src",
+    "srcElement",
+    "srcFilter",
+    "srcUrn",
+    "srcdoc",
+    "srclang",
+    "srcset",
+    "stack",
+    "stackTraceLimit",
+    "stacktrace",
+    "standalone",
+    "standby",
+    "start",
+    "startContainer",
+    "startIce",
+    "startOffset",
+    "startRendering",
+    "startTime",
+    "startsWith",
+    "state",
+    "status",
+    "statusMessage",
+    "statusText",
+    "statusbar",
+    "stdDeviationX",
+    "stdDeviationY",
+    "stencilFunc",
+    "stencilFuncSeparate",
+    "stencilMask",
+    "stencilMaskSeparate",
+    "stencilOp",
+    "stencilOpSeparate",
+    "step",
+    "stepDown",
+    "stepMismatch",
+    "stepUp",
+    "sticky",
+    "stitchTiles",
+    "stop",
+    "stop-color",
+    "stop-opacity",
+    "stopColor",
+    "stopImmediatePropagation",
+    "stopOpacity",
+    "stopPropagation",
+    "storageArea",
+    "storageName",
+    "storageStatus",
+    "storeSiteSpecificTrackingException",
+    "storeWebWideTrackingException",
+    "stpVersion",
+    "stream",
+    "strike",
+    "stringValue",
+    "stringify",
+    "stroke",
+    "stroke-dasharray",
+    "stroke-dashoffset",
+    "stroke-linecap",
+    "stroke-linejoin",
+    "stroke-miterlimit",
+    "stroke-opacity",
+    "stroke-width",
+    "strokeDasharray",
+    "strokeDashoffset",
+    "strokeLinecap",
+    "strokeLinejoin",
+    "strokeMiterlimit",
+    "strokeOpacity",
+    "strokeRect",
+    "strokeStyle",
+    "strokeText",
+    "strokeWidth",
+    "style",
+    "styleFloat",
+    "styleMedia",
+    "styleSheet",
+    "styleSheetSets",
+    "styleSheets",
+    "sub",
+    "subarray",
+    "subject",
+    "submit",
+    "subscribe",
+    "substr",
+    "substring",
+    "substringData",
+    "subtle",
+    "subtree",
+    "suffix",
+    "suffixes",
+    "summary",
+    "sup",
+    "supports",
+    "surfaceScale",
+    "surroundContents",
+    "suspend",
+    "suspendRedraw",
+    "swapCache",
+    "swapNode",
+    "sweepFlag",
+    "symbols",
+    "system",
+    "systemCode",
+    "systemId",
+    "systemLanguage",
+    "systemXDPI",
+    "systemYDPI",
+    "tBodies",
+    "tFoot",
+    "tHead",
+    "tabIndex",
+    "table",
+    "table-layout",
+    "tableLayout",
+    "tableValues",
+    "tag",
+    "tagName",
+    "tagUrn",
+    "tags",
+    "taintEnabled",
+    "takeRecords",
+    "tan",
+    "tanh",
+    "target",
+    "targetElement",
+    "targetTouches",
+    "targetX",
+    "targetY",
+    "tel",
+    "terminate",
+    "test",
+    "texImage2D",
+    "texParameterf",
+    "texParameteri",
+    "texSubImage2D",
+    "text",
+    "text-align",
+    "text-anchor",
+    "text-decoration",
+    "text-decoration-color",
+    "text-decoration-line",
+    "text-decoration-style",
+    "text-indent",
+    "text-overflow",
+    "text-rendering",
+    "text-shadow",
+    "text-transform",
+    "textAlign",
+    "textAlignLast",
+    "textAnchor",
+    "textAutospace",
+    "textBaseline",
+    "textContent",
+    "textDecoration",
+    "textDecorationBlink",
+    "textDecorationColor",
+    "textDecorationLine",
+    "textDecorationLineThrough",
+    "textDecorationNone",
+    "textDecorationOverline",
+    "textDecorationStyle",
+    "textDecorationUnderline",
+    "textIndent",
+    "textJustify",
+    "textJustifyTrim",
+    "textKashida",
+    "textKashidaSpace",
+    "textLength",
+    "textOverflow",
+    "textRendering",
+    "textShadow",
+    "textTracks",
+    "textTransform",
+    "textUnderlinePosition",
+    "then",
+    "threadId",
+    "threshold",
+    "tiltX",
+    "tiltY",
+    "time",
+    "timeEnd",
+    "timeStamp",
+    "timeout",
+    "timestamp",
+    "timestampOffset",
+    "timing",
+    "title",
+    "toArray",
+    "toBlob",
+    "toDataURL",
+    "toDateString",
+    "toElement",
+    "toExponential",
+    "toFixed",
+    "toFloat32Array",
+    "toFloat64Array",
+    "toGMTString",
+    "toISOString",
+    "toJSON",
+    "toLocaleDateString",
+    "toLocaleFormat",
+    "toLocaleLowerCase",
+    "toLocaleString",
+    "toLocaleTimeString",
+    "toLocaleUpperCase",
+    "toLowerCase",
+    "toMethod",
+    "toPrecision",
+    "toSdp",
+    "toSource",
+    "toStaticHTML",
+    "toString",
+    "toStringTag",
+    "toTimeString",
+    "toUTCString",
+    "toUpperCase",
+    "toggle",
+    "toggleLongPressEnabled",
+    "tooLong",
+    "toolbar",
+    "top",
+    "topMargin",
+    "total",
+    "totalFrameDelay",
+    "totalVideoFrames",
+    "touchAction",
+    "touches",
+    "trace",
+    "track",
+    "transaction",
+    "transactions",
+    "transform",
+    "transform-origin",
+    "transform-style",
+    "transformOrigin",
+    "transformPoint",
+    "transformString",
+    "transformStyle",
+    "transformToDocument",
+    "transformToFragment",
+    "transition",
+    "transition-delay",
+    "transition-duration",
+    "transition-property",
+    "transition-timing-function",
+    "transitionDelay",
+    "transitionDuration",
+    "transitionProperty",
+    "transitionTimingFunction",
+    "translate",
+    "translateSelf",
+    "translationX",
+    "translationY",
+    "trim",
+    "trimLeft",
+    "trimRight",
+    "trueSpeed",
+    "trunc",
+    "truncate",
+    "type",
+    "typeDetail",
+    "typeMismatch",
+    "typeMustMatch",
+    "types",
+    "ubound",
+    "undefined",
+    "unescape",
+    "uneval",
+    "unicode-bidi",
+    "unicodeBidi",
+    "uniform1f",
+    "uniform1fv",
+    "uniform1i",
+    "uniform1iv",
+    "uniform2f",
+    "uniform2fv",
+    "uniform2i",
+    "uniform2iv",
+    "uniform3f",
+    "uniform3fv",
+    "uniform3i",
+    "uniform3iv",
+    "uniform4f",
+    "uniform4fv",
+    "uniform4i",
+    "uniform4iv",
+    "uniformMatrix2fv",
+    "uniformMatrix3fv",
+    "uniformMatrix4fv",
+    "unique",
+    "uniqueID",
+    "uniqueNumber",
+    "unitType",
+    "units",
+    "unloadEventEnd",
+    "unloadEventStart",
+    "unlock",
+    "unmount",
+    "unobserve",
+    "unpause",
+    "unpauseAnimations",
+    "unreadCount",
+    "unregister",
+    "unregisterContentHandler",
+    "unregisterProtocolHandler",
+    "unscopables",
+    "unselectable",
+    "unshift",
+    "unsubscribe",
+    "unsuspendRedraw",
+    "unsuspendRedrawAll",
+    "unwatch",
+    "unwrapKey",
+    "update",
+    "updateCommands",
+    "updateIce",
+    "updateInterval",
+    "updateSettings",
+    "updated",
+    "updating",
+    "upload",
+    "upper",
+    "upperBound",
+    "upperOpen",
+    "uri",
+    "url",
+    "urn",
+    "urns",
+    "usages",
+    "useCurrentView",
+    "useMap",
+    "useProgram",
+    "usedSpace",
+    "userAgent",
+    "userLanguage",
+    "username",
+    "v8BreakIterator",
+    "vAlign",
+    "vLink",
+    "valid",
+    "validateProgram",
+    "validationMessage",
+    "validity",
+    "value",
+    "valueAsDate",
+    "valueAsNumber",
+    "valueAsString",
+    "valueInSpecifiedUnits",
+    "valueMissing",
+    "valueOf",
+    "valueText",
+    "valueType",
+    "values",
+    "vector-effect",
+    "vectorEffect",
+    "velocityAngular",
+    "velocityExpansion",
+    "velocityX",
+    "velocityY",
+    "vendor",
+    "vendorSub",
+    "verify",
+    "version",
+    "vertexAttrib1f",
+    "vertexAttrib1fv",
+    "vertexAttrib2f",
+    "vertexAttrib2fv",
+    "vertexAttrib3f",
+    "vertexAttrib3fv",
+    "vertexAttrib4f",
+    "vertexAttrib4fv",
+    "vertexAttribDivisorANGLE",
+    "vertexAttribPointer",
+    "vertical",
+    "vertical-align",
+    "verticalAlign",
+    "verticalOverflow",
+    "vibrate",
+    "videoHeight",
+    "videoTracks",
+    "videoWidth",
+    "view",
+    "viewBox",
+    "viewBoxString",
+    "viewTarget",
+    "viewTargetString",
+    "viewport",
+    "viewportAnchorX",
+    "viewportAnchorY",
+    "viewportElement",
+    "visibility",
+    "visibilityState",
+    "visible",
+    "vlinkColor",
+    "voice",
+    "volume",
+    "vrml",
+    "vspace",
+    "w",
+    "wand",
+    "warn",
+    "wasClean",
+    "watch",
+    "watchPosition",
+    "webdriver",
+    "webkitAddKey",
+    "webkitAnimation",
+    "webkitAnimationDelay",
+    "webkitAnimationDirection",
+    "webkitAnimationDuration",
+    "webkitAnimationFillMode",
+    "webkitAnimationIterationCount",
+    "webkitAnimationName",
+    "webkitAnimationPlayState",
+    "webkitAnimationTimingFunction",
+    "webkitAppearance",
+    "webkitAudioContext",
+    "webkitAudioDecodedByteCount",
+    "webkitAudioPannerNode",
+    "webkitBackfaceVisibility",
+    "webkitBackground",
+    "webkitBackgroundAttachment",
+    "webkitBackgroundClip",
+    "webkitBackgroundColor",
+    "webkitBackgroundImage",
+    "webkitBackgroundOrigin",
+    "webkitBackgroundPosition",
+    "webkitBackgroundPositionX",
+    "webkitBackgroundPositionY",
+    "webkitBackgroundRepeat",
+    "webkitBackgroundSize",
+    "webkitBackingStorePixelRatio",
+    "webkitBorderImage",
+    "webkitBorderImageOutset",
+    "webkitBorderImageRepeat",
+    "webkitBorderImageSlice",
+    "webkitBorderImageSource",
+    "webkitBorderImageWidth",
+    "webkitBoxAlign",
+    "webkitBoxDirection",
+    "webkitBoxFlex",
+    "webkitBoxOrdinalGroup",
+    "webkitBoxOrient",
+    "webkitBoxPack",
+    "webkitBoxSizing",
+    "webkitCancelAnimationFrame",
+    "webkitCancelFullScreen",
+    "webkitCancelKeyRequest",
+    "webkitCancelRequestAnimationFrame",
+    "webkitClearResourceTimings",
+    "webkitClosedCaptionsVisible",
+    "webkitConvertPointFromNodeToPage",
+    "webkitConvertPointFromPageToNode",
+    "webkitCreateShadowRoot",
+    "webkitCurrentFullScreenElement",
+    "webkitCurrentPlaybackTargetIsWireless",
+    "webkitDirectionInvertedFromDevice",
+    "webkitDisplayingFullscreen",
+    "webkitEnterFullScreen",
+    "webkitEnterFullscreen",
+    "webkitExitFullScreen",
+    "webkitExitFullscreen",
+    "webkitExitPointerLock",
+    "webkitFullScreenKeyboardInputAllowed",
+    "webkitFullscreenElement",
+    "webkitFullscreenEnabled",
+    "webkitGenerateKeyRequest",
+    "webkitGetAsEntry",
+    "webkitGetDatabaseNames",
+    "webkitGetEntries",
+    "webkitGetEntriesByName",
+    "webkitGetEntriesByType",
+    "webkitGetFlowByName",
+    "webkitGetGamepads",
+    "webkitGetImageDataHD",
+    "webkitGetNamedFlows",
+    "webkitGetRegionFlowRanges",
+    "webkitGetUserMedia",
+    "webkitHasClosedCaptions",
+    "webkitHidden",
+    "webkitIDBCursor",
+    "webkitIDBDatabase",
+    "webkitIDBDatabaseError",
+    "webkitIDBDatabaseException",
+    "webkitIDBFactory",
+    "webkitIDBIndex",
+    "webkitIDBKeyRange",
+    "webkitIDBObjectStore",
+    "webkitIDBRequest",
+    "webkitIDBTransaction",
+    "webkitImageSmoothingEnabled",
+    "webkitIndexedDB",
+    "webkitInitMessageEvent",
+    "webkitIsFullScreen",
+    "webkitKeys",
+    "webkitLineDashOffset",
+    "webkitLockOrientation",
+    "webkitMatchesSelector",
+    "webkitMediaStream",
+    "webkitNotifications",
+    "webkitOfflineAudioContext",
+    "webkitOrientation",
+    "webkitPeerConnection00",
+    "webkitPersistentStorage",
+    "webkitPointerLockElement",
+    "webkitPostMessage",
+    "webkitPreservesPitch",
+    "webkitPutImageDataHD",
+    "webkitRTCPeerConnection",
+    "webkitRegionOverset",
+    "webkitRequestAnimationFrame",
+    "webkitRequestFileSystem",
+    "webkitRequestFullScreen",
+    "webkitRequestFullscreen",
+    "webkitRequestPointerLock",
+    "webkitResolveLocalFileSystemURL",
+    "webkitSetMediaKeys",
+    "webkitSetResourceTimingBufferSize",
+    "webkitShadowRoot",
+    "webkitShowPlaybackTargetPicker",
+    "webkitSlice",
+    "webkitSpeechGrammar",
+    "webkitSpeechGrammarList",
+    "webkitSpeechRecognition",
+    "webkitSpeechRecognitionError",
+    "webkitSpeechRecognitionEvent",
+    "webkitStorageInfo",
+    "webkitSupportsFullscreen",
+    "webkitTemporaryStorage",
+    "webkitTextSizeAdjust",
+    "webkitTransform",
+    "webkitTransformOrigin",
+    "webkitTransition",
+    "webkitTransitionDelay",
+    "webkitTransitionDuration",
+    "webkitTransitionProperty",
+    "webkitTransitionTimingFunction",
+    "webkitURL",
+    "webkitUnlockOrientation",
+    "webkitUserSelect",
+    "webkitVideoDecodedByteCount",
+    "webkitVisibilityState",
+    "webkitWirelessVideoPlaybackDisabled",
+    "webkitdropzone",
+    "webstore",
+    "weight",
+    "whatToShow",
+    "wheelDelta",
+    "wheelDeltaX",
+    "wheelDeltaY",
+    "which",
+    "white-space",
+    "whiteSpace",
+    "wholeText",
+    "widows",
+    "width",
+    "will-change",
+    "willChange",
+    "willValidate",
+    "window",
+    "withCredentials",
+    "word-break",
+    "word-spacing",
+    "word-wrap",
+    "wordBreak",
+    "wordSpacing",
+    "wordWrap",
+    "wrap",
+    "wrapKey",
+    "write",
+    "writeln",
+    "writingMode",
+    "x",
+    "x1",
+    "x2",
+    "xChannelSelector",
+    "xmlEncoding",
+    "xmlStandalone",
+    "xmlVersion",
+    "xmlbase",
+    "xmllang",
+    "xmlspace",
+    "y",
+    "y1",
+    "y2",
+    "yChannelSelector",
+    "yandex",
+    "z",
+    "z-index",
+    "zIndex",
+    "zoom",
+    "zoomAndPan",
+    "zoomRectScreen"
+];
diff --git a/node_modules/terser/tools/exit.js b/node_modules/terser/tools/exit.js
new file mode 100644
index 00000000..17048d8e
--- /dev/null
+++ b/node_modules/terser/tools/exit.js
@@ -0,0 +1,15 @@
+// workaround for tty output truncation upon process.exit()
+var exit = process.exit;
+process.exit = function() {
+    var args = [].slice.call(arguments);
+    process.once("uncaughtException", function() {
+        (function callback() {
+            if (process.stdout.bufferSize || process.stderr.bufferSize) {
+                setImmediate(callback);
+            } else {
+                exit.apply(process, args);
+            }
+        })();
+    });
+    throw exit;
+};
diff --git a/node_modules/terser/tools/node.js b/node_modules/terser/tools/node.js
new file mode 100644
index 00000000..b14580da
--- /dev/null
+++ b/node_modules/terser/tools/node.js
@@ -0,0 +1,19 @@
+import { minify } from "../lib/minify";
+
+export function default_options() {
+    const defs = {};
+
+    Object.keys(infer_options({ 0: 0 })).forEach((component) => {
+        const options = infer_options({
+            [component]: {0: 0}
+        });
+
+        if (options) defs[component] = options;
+    });
+    return defs;
+}
+
+function infer_options(options) {
+    var result = minify("", options);
+    return result.error && result.error.defs;
+}
diff --git a/node_modules/terser/tools/props.html b/node_modules/terser/tools/props.html
new file mode 100644
index 00000000..eeae8a62
--- /dev/null
+++ b/node_modules/terser/tools/props.html
@@ -0,0 +1,55 @@
+<html>
+  <head>
+  </head>
+  <body>
+    <script>(function(){
+      var props = {};
+
+      function addObject(obj) {
+        if (obj == null) return;
+        try {
+          Object.getOwnPropertyNames(obj).forEach(add);
+        } catch(ex) {}
+        if (obj.prototype) {
+          Object.getOwnPropertyNames(obj.prototype).forEach(add);
+        }
+        if (typeof obj == "function") {
+          try {
+            Object.getOwnPropertyNames(new obj).forEach(add);
+          } catch(ex) {}
+        }
+      }
+
+      function add(name) {
+        props[name] = true;
+      }
+
+      Object.getOwnPropertyNames(window).forEach(function(thing){
+        addObject(window[thing]);
+      });
+
+      try {
+        addObject(new Event("click"));
+        addObject(new Event("contextmenu"));
+        addObject(new Event("mouseup"));
+        addObject(new Event("mousedown"));
+        addObject(new Event("keydown"));
+        addObject(new Event("keypress"));
+        addObject(new Event("keyup"));
+      } catch(ex) {}
+
+      var ta = document.createElement("textarea");
+      ta.style.width = "100%";
+      ta.style.height = "20em";
+      ta.style.boxSizing = "border-box";
+      ta.value = 'export var domprops = ' + JSON.stringify(Object.keys(props).sort(cmp), null, 4);
+      document.body.appendChild(ta);
+
+      function cmp(a, b) {
+        a = a.toLowerCase();
+        b = b.toLowerCase();
+        return a < b ? -1 : a > b ? 1 : 0;
+      }
+    })();</script>
+  </body>
+</html>
diff --git a/node_modules/terser/tools/terser.d.ts b/node_modules/terser/tools/terser.d.ts
new file mode 100644
index 00000000..ca9bd07c
--- /dev/null
+++ b/node_modules/terser/tools/terser.d.ts
@@ -0,0 +1,794 @@
+/// <reference lib="es2015" />
+
+import { RawSourceMap } from 'source-map';
+
+/** @deprecated since this versions basically do not exist */
+type ECMA_UNOFFICIAL = 6 | 7 | 8 | 9 | 10 | 11;
+
+export type ECMA = 5 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | ECMA_UNOFFICIAL;
+
+export interface ParseOptions {
+    bare_returns?: boolean;
+    ecma?: ECMA;
+    html5_comments?: boolean;
+    shebang?: boolean;
+}
+
+export interface CompressOptions {
+    arguments?: boolean;
+    arrows?: boolean;
+    booleans_as_integers?: boolean;
+    booleans?: boolean;
+    collapse_vars?: boolean;
+    comparisons?: boolean;
+    computed_props?: boolean;
+    conditionals?: boolean;
+    dead_code?: boolean;
+    defaults?: boolean;
+    directives?: boolean;
+    drop_console?: boolean;
+    drop_debugger?: boolean;
+    ecma?: ECMA;
+    evaluate?: boolean;
+    expression?: boolean;
+    global_defs?: object;
+    hoist_funs?: boolean;
+    hoist_props?: boolean;
+    hoist_vars?: boolean;
+    ie8?: boolean;
+    if_return?: boolean;
+    inline?: boolean | InlineFunctions;
+    join_vars?: boolean;
+    keep_classnames?: boolean | RegExp;
+    keep_fargs?: boolean;
+    keep_fnames?: boolean | RegExp;
+    keep_infinity?: boolean;
+    loops?: boolean;
+    module?: boolean;
+    negate_iife?: boolean;
+    passes?: number;
+    properties?: boolean;
+    pure_funcs?: string[];
+    pure_getters?: boolean | 'strict';
+    reduce_funcs?: boolean;
+    reduce_vars?: boolean;
+    sequences?: boolean | number;
+    side_effects?: boolean;
+    switches?: boolean;
+    toplevel?: boolean;
+    top_retain?: null | string | string[] | RegExp;
+    typeofs?: boolean;
+    unsafe_arrows?: boolean;
+    unsafe?: boolean;
+    unsafe_comps?: boolean;
+    unsafe_Function?: boolean;
+    unsafe_math?: boolean;
+    unsafe_symbols?: boolean;
+    unsafe_methods?: boolean;
+    unsafe_proto?: boolean;
+    unsafe_regexp?: boolean;
+    unsafe_undefined?: boolean;
+    unused?: boolean;
+    warnings?: boolean;
+}
+
+export enum InlineFunctions {
+    Disabled = 0,
+    SimpleFunctions = 1,
+    WithArguments = 2,
+    WithArgumentsAndVariables = 3
+}
+
+export interface MangleOptions {
+    eval?: boolean;
+    keep_classnames?: boolean | RegExp;
+    keep_fnames?: boolean | RegExp;
+    module?: boolean;
+    properties?: boolean | ManglePropertiesOptions;
+    reserved?: string[];
+    safari10?: boolean;
+    toplevel?: boolean;
+}
+
+export interface ManglePropertiesOptions {
+    builtins?: boolean;
+    debug?: boolean;
+    keep_quoted?: boolean | 'strict';
+    regex?: RegExp | string;
+    reserved?: string[];
+}
+
+export interface OutputOptions {
+    ascii_only?: boolean;
+    beautify?: boolean;
+    braces?: boolean;
+    comments?: boolean | 'all' | 'some' | RegExp | ( (node: AST_Node, comment: {
+        value: string,
+        type: 'comment1' | 'comment2' | 'comment3' | 'comment4',
+        pos: number,
+        line: number,
+        col: number,
+    }) => boolean );
+    ecma?: ECMA;
+    ie8?: boolean;
+    indent_level?: number;
+    indent_start?: number;
+    inline_script?: boolean;
+    keep_quoted_props?: boolean;
+    max_line_len?: number | false;
+    preamble?: string;
+    preserve_annotations?: boolean;
+    quote_keys?: boolean;
+    quote_style?: OutputQuoteStyle;
+    safari10?: boolean;
+    semicolons?: boolean;
+    shebang?: boolean;
+    shorthand?: boolean;
+    source_map?: SourceMapOptions;
+    webkit?: boolean;
+    width?: number;
+    wrap_iife?: boolean;
+    wrap_func_args?: boolean;
+}
+
+export enum OutputQuoteStyle {
+    PreferDouble = 0,
+    AlwaysSingle = 1,
+    AlwaysDouble = 2,
+    AlwaysOriginal = 3
+}
+
+export interface MinifyOptions {
+    compress?: boolean | CompressOptions;
+    ecma?: ECMA;
+    ie8?: boolean;
+    keep_classnames?: boolean | RegExp;
+    keep_fnames?: boolean | RegExp;
+    mangle?: boolean | MangleOptions;
+    module?: boolean;
+    nameCache?: object;
+    output?: OutputOptions;
+    parse?: ParseOptions;
+    safari10?: boolean;
+    sourceMap?: boolean | SourceMapOptions;
+    toplevel?: boolean;
+    warnings?: boolean | 'verbose';
+}
+
+export interface MinifyOutput {
+    ast?: AST_Node;
+    code?: string;
+    error?: Error;
+    map?: RawSourceMap | string;
+    warnings?: string[];
+}
+
+export interface SourceMapOptions {
+    /** Source map object, 'inline' or source map file content */
+    content?: RawSourceMap | string;
+    includeSources?: boolean;
+    filename?: string;
+    root?: string;
+    url?: string | 'inline';
+}
+
+declare function parse(text: string, options?: ParseOptions): AST_Node;
+
+export class TreeWalker {
+    constructor(callback: (node: AST_Node, descend?: (node: AST_Node) => void) => boolean | undefined);
+    directives: object;
+    find_parent(type: AST_Node): AST_Node | undefined;
+    has_directive(type: string): boolean;
+    loopcontrol_target(node: AST_Node): AST_Node | undefined;
+    parent(n: number): AST_Node | undefined;
+    pop(): void;
+    push(node: AST_Node): void;
+    self(): AST_Node | undefined;
+    stack: AST_Node[];
+    visit: (node: AST_Node, descend: boolean) => any;
+}
+
+export class TreeTransformer extends TreeWalker {
+    constructor(
+        before: (node: AST_Node, descend?: (node: AST_Node, tw: TreeWalker) => void, in_list?: boolean) => AST_Node | undefined,
+        after?: (node: AST_Node, in_list?: boolean) => AST_Node | undefined
+    );
+    before: (node: AST_Node) => AST_Node;
+    after?: (node: AST_Node) => AST_Node;
+}
+
+export function push_uniq<T>(array: T[], el: T): void;
+
+export function minify(files: string | string[] | { [file: string]: string } | AST_Node, options?: MinifyOptions): MinifyOutput;
+
+export class AST_Node {
+    constructor(props?: object);
+    static BASE?: AST_Node;
+    static PROPS: string[];
+    static SELF_PROPS: string[];
+    static SUBCLASSES: AST_Node[];
+    static documentation: string;
+    static propdoc?: Record<string, string>;
+    static expressions?: AST_Node[];
+    static warn?: (text: string, props: any) => void;
+    static from_mozilla_ast?: (node: AST_Node) => any;
+    walk: (visitor: TreeWalker) => void;
+    print_to_string: (options?: OutputOptions) => string;
+    transform: (tt: TreeTransformer, in_list?: boolean) => AST_Node;
+    TYPE: string;
+    CTOR: typeof AST_Node;
+}
+
+declare class SymbolDef {
+    constructor(scope?: AST_Scope, orig?: object, init?: object);
+    name: string;
+    orig: AST_SymbolRef[];
+    init: AST_SymbolRef;
+    eliminated: number;
+    scope: AST_Scope;
+    references: AST_SymbolRef[];
+    replaced: number;
+    global: boolean;
+    export: boolean;
+    mangled_name: null | string;
+    undeclared: boolean;
+    id: number;
+}
+
+type ArgType = AST_SymbolFunarg | AST_DefaultAssign | AST_Destructuring | AST_Expansion;
+
+declare class AST_Statement extends AST_Node {
+    constructor(props?: object);
+}
+
+declare class AST_Debugger extends AST_Statement {
+    constructor(props?: object);
+}
+
+declare class AST_Directive extends AST_Statement {
+    constructor(props?: object);
+    value: string;
+    quote: string;
+}
+
+declare class AST_SimpleStatement extends AST_Statement {
+    constructor(props?: object);
+    body: AST_Node[];
+}
+
+declare class AST_Block extends AST_Statement {
+    constructor(props?: object);
+    body: AST_Node[];
+    block_scope: AST_Scope | null;
+}
+
+declare class AST_BlockStatement extends AST_Block {
+    constructor(props?: object);
+}
+
+declare class AST_Scope extends AST_Block {
+    constructor(props?: object);
+    variables: any;
+    functions: any;
+    uses_with: boolean;
+    uses_eval: boolean;
+    parent_scope: AST_Scope | null;
+    enclosed: any;
+    cname: any;
+}
+
+declare class AST_Toplevel extends AST_Scope {
+    constructor(props?: object);
+    globals: any;
+}
+
+declare class AST_Lambda extends AST_Scope {
+    constructor(props?: object);
+    name: AST_SymbolDeclaration | null;
+    argnames: ArgType[];
+    uses_arguments: boolean;
+    is_generator: boolean;
+    async: boolean;
+}
+
+declare class AST_Accessor extends AST_Lambda {
+    constructor(props?: object);
+}
+
+declare class AST_Function extends AST_Lambda {
+    constructor(props?: object);
+}
+
+declare class AST_Arrow extends AST_Lambda {
+    constructor(props?: object);
+}
+
+declare class AST_Defun extends AST_Lambda {
+    constructor(props?: object);
+}
+
+declare class AST_Class extends AST_Scope {
+    constructor(props?: object);
+    name: AST_SymbolClass | AST_SymbolDefClass | null;
+    extends: AST_Node | null;
+    properties: AST_ObjectProperty[];
+}
+
+declare class AST_DefClass extends AST_Class {
+    constructor(props?: object);
+}
+
+declare class AST_ClassExpression extends AST_Class {
+    constructor(props?: object);
+}
+
+declare class AST_Switch extends AST_Block {
+    constructor(props?: object);
+    expression: AST_Node;
+}
+
+declare class AST_SwitchBranch extends AST_Block {
+    constructor(props?: object);
+}
+
+declare class AST_Default extends AST_SwitchBranch {
+    constructor(props?: object);
+}
+
+declare class AST_Case extends AST_SwitchBranch {
+    constructor(props?: object);
+    expression: AST_Node;
+}
+
+declare class AST_Try extends AST_Block {
+    constructor(props?: object);
+    bcatch: AST_Catch;
+    bfinally: null | AST_Finally;
+}
+
+declare class AST_Catch extends AST_Block {
+    constructor(props?: object);
+    argname: ArgType;
+}
+
+declare class AST_Finally extends AST_Block {
+    constructor(props?: object);
+}
+
+declare class AST_EmptyStatement extends AST_Statement {
+    constructor(props?: object);
+}
+
+declare class AST_StatementWithBody extends AST_Statement {
+    constructor(props?: object);
+    body: AST_Node[];
+}
+
+declare class AST_LabeledStatement extends AST_StatementWithBody {
+    constructor(props?: object);
+    label: AST_Label;
+}
+
+declare class AST_IterationStatement extends AST_StatementWithBody {
+    constructor(props?: object);
+    block_scope: AST_Scope | null;
+}
+
+declare class AST_DWLoop extends AST_IterationStatement {
+    constructor(props?: object);
+    condition: AST_Node;
+}
+
+declare class AST_Do extends AST_DWLoop {
+    constructor(props?: object);
+}
+
+declare class AST_While extends AST_DWLoop {
+    constructor(props?: object);
+}
+
+declare class AST_For extends AST_IterationStatement {
+    constructor(props?: object);
+    init: AST_Node | null;
+    condition: AST_Node | null;
+    step: AST_Node | null;
+}
+
+declare class AST_ForIn extends AST_IterationStatement {
+    constructor(props?: object);
+    init: AST_Node | null;
+    object: AST_Node;
+}
+
+declare class AST_ForOf extends AST_ForIn {
+    constructor(props?: object);
+    await: boolean;
+}
+
+declare class AST_With extends AST_StatementWithBody {
+    constructor(props?: object);
+    expression: AST_Node;
+}
+
+declare class AST_If extends AST_StatementWithBody {
+    constructor(props?: object);
+    condition: AST_Node;
+    alternative: AST_Node | null;
+}
+
+declare class AST_Jump extends AST_Statement {
+    constructor(props?: object);
+}
+
+declare class AST_Exit extends AST_Jump {
+    constructor(props?: object);
+    value: AST_Node | null;
+}
+
+declare class AST_Return extends AST_Exit {
+    constructor(props?: object);
+}
+
+declare class AST_Throw extends AST_Exit {
+    constructor(props?: object);
+}
+
+declare class AST_LoopControl extends AST_Jump {
+    constructor(props?: object);
+    label: null | AST_LabelRef;
+}
+
+declare class AST_Break extends AST_LoopControl {
+    constructor(props?: object);
+}
+
+declare class AST_Continue extends AST_LoopControl {
+    constructor(props?: object);
+}
+
+declare class AST_Definitions extends AST_Statement {
+    constructor(props?: object);
+    definitions: AST_VarDef[];
+}
+
+declare class AST_Var extends AST_Definitions {
+    constructor(props?: object);
+}
+
+declare class AST_Let extends AST_Definitions {
+    constructor(props?: object);
+}
+
+declare class AST_Const extends AST_Definitions {
+    constructor(props?: object);
+}
+
+declare class AST_Export extends AST_Statement {
+    constructor(props?: object);
+    exported_definition: AST_Definitions | AST_Lambda | AST_DefClass | null;
+    exported_value: AST_Node | null;
+    is_default: boolean;
+    exported_names: AST_NameMapping[];
+    module_name: AST_String;
+}
+
+declare class AST_Expansion extends AST_Node {
+    constructor(props?: object);
+    expression: AST_Node;
+}
+
+declare class AST_Destructuring extends AST_Node {
+    constructor(props?: object);
+    names: AST_Node[];
+    is_array: boolean;
+}
+
+declare class AST_PrefixedTemplateString extends AST_Node {
+    constructor(props?: object);
+    template_string: AST_TemplateString;
+    prefix: AST_Node;
+}
+
+declare class AST_TemplateString extends AST_Node {
+    constructor(props?: object);
+    segments: AST_Node[];
+}
+
+declare class AST_TemplateSegment extends AST_Node {
+    constructor(props?: object);
+    value: string;
+    raw: string;
+}
+
+declare class AST_NameMapping extends AST_Node {
+    constructor(props?: object);
+    foreign_name: AST_Symbol;
+    name: AST_SymbolExport | AST_SymbolImport;
+}
+
+declare class AST_Import extends AST_Node {
+    constructor(props?: object);
+    imported_name: null | AST_SymbolImport;
+    imported_names: AST_NameMapping[];
+    module_name: AST_String;
+}
+
+declare class AST_VarDef extends AST_Node {
+    constructor(props?: object);
+    name: AST_Destructuring | AST_SymbolConst | AST_SymbolLet | AST_SymbolVar;
+    value: AST_Node | null;
+}
+
+declare class AST_Call extends AST_Node {
+    constructor(props?: object);
+    expression: AST_Node;
+    args: AST_Node[];
+}
+
+declare class AST_New extends AST_Call {
+    constructor(props?: object);
+}
+
+declare class AST_Sequence extends AST_Node {
+    constructor(props?: object);
+    expressions: AST_Node[];
+}
+
+declare class AST_PropAccess extends AST_Node {
+    constructor(props?: object);
+    expression: AST_Node;
+    property: AST_Node | string;
+}
+
+declare class AST_Dot extends AST_PropAccess {
+    constructor(props?: object);
+}
+
+declare class AST_Sub extends AST_PropAccess {
+    constructor(props?: object);
+}
+
+declare class AST_Unary extends AST_Node {
+    constructor(props?: object);
+    operator: string;
+    expression: AST_Node;
+}
+
+declare class AST_UnaryPrefix extends AST_Unary {
+    constructor(props?: object);
+}
+
+declare class AST_UnaryPostfix extends AST_Unary {
+    constructor(props?: object);
+}
+
+declare class AST_Binary extends AST_Node {
+    constructor(props?: object);
+    operator: string;
+    left: AST_Node;
+    right: AST_Node;
+}
+
+declare class AST_Assign extends AST_Binary {
+    constructor(props?: object);
+}
+
+declare class AST_DefaultAssign extends AST_Binary {
+    constructor(props?: object);
+}
+
+declare class AST_Conditional extends AST_Node {
+    constructor(props?: object);
+    condition: AST_Node;
+    consequent: AST_Node;
+    alternative: AST_Node;
+}
+
+declare class AST_Array extends AST_Node {
+    constructor(props?: object);
+    elements: AST_Node[];
+}
+
+declare class AST_Object extends AST_Node {
+    constructor(props?: object);
+    properties: AST_ObjectProperty[];
+}
+
+declare class AST_ObjectProperty extends AST_Node {
+    constructor(props?: object);
+    key: string | number | AST_Node;
+    value: AST_Node;
+}
+
+declare class AST_ObjectKeyVal extends AST_ObjectProperty {
+    constructor(props?: object);
+    quote: string;
+}
+
+declare class AST_ObjectSetter extends AST_ObjectProperty {
+    constructor(props?: object);
+    quote: string;
+    static: boolean;
+}
+
+declare class AST_ObjectGetter extends AST_ObjectProperty {
+    constructor(props?: object);
+    quote: string;
+    static: boolean;
+}
+
+declare class AST_ConciseMethod extends AST_ObjectProperty {
+    constructor(props?: object);
+    quote: string;
+    static: boolean;
+    is_generator: boolean;
+    async: boolean;
+}
+
+declare class AST_Symbol extends AST_Node {
+    constructor(props?: object);
+    scope: AST_Scope;
+    name: string;
+    thedef: SymbolDef;
+}
+
+declare class AST_SymbolDeclaration extends AST_Symbol {
+    constructor(props?: object);
+    init: AST_Node | null;
+}
+
+declare class AST_SymbolVar extends AST_SymbolDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolFunarg extends AST_SymbolVar {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolBlockDeclaration extends AST_SymbolDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolConst extends AST_SymbolBlockDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolLet extends AST_SymbolBlockDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolDefClass extends AST_SymbolBlockDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolCatch extends AST_SymbolBlockDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolImport extends AST_SymbolBlockDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolDefun extends AST_SymbolDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolLambda extends AST_SymbolDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolClass extends AST_SymbolDeclaration {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolMethod extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolImportForeign extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_Label extends AST_Symbol {
+    constructor(props?: object);
+    references: AST_LoopControl | null;
+}
+
+declare class AST_SymbolRef extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolExport extends AST_SymbolRef {
+    constructor(props?: object);
+}
+
+declare class AST_SymbolExportForeign extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_LabelRef extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_This extends AST_Symbol {
+    constructor(props?: object);
+}
+
+declare class AST_Super extends AST_This {
+    constructor(props?: object);
+}
+
+declare class AST_NewTarget extends AST_Node {
+    constructor(props?: object);
+}
+
+declare class AST_Constant extends AST_Node {
+    constructor(props?: object);
+}
+
+declare class AST_String extends AST_Constant {
+    constructor(props?: object);
+    value: string;
+    quote: string;
+}
+
+declare class AST_Number extends AST_Constant {
+    constructor(props?: object);
+    value: number;
+    literal: string;
+}
+
+declare class AST_RegExp extends AST_Constant {
+    constructor(props?: object);
+    value: {
+        source: string,
+        flags: string
+    };
+}
+
+declare class AST_Atom extends AST_Constant {
+    constructor(props?: object);
+}
+
+declare class AST_Null extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_NaN extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_Undefined extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_Hole extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_Infinity extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_Boolean extends AST_Atom {
+    constructor(props?: object);
+}
+
+declare class AST_False extends AST_Boolean {
+    constructor(props?: object);
+}
+
+declare class AST_True extends AST_Boolean {
+    constructor(props?: object);
+}
+
+declare class AST_Await extends AST_Node {
+    constructor(props?: object);
+    expression: AST_Node;
+}
+
+declare class AST_Yield extends AST_Node {
+    constructor(props?: object);
+    expression: AST_Node;
+    is_star: boolean;
+}
diff --git a/node_modules/through2/LICENSE.md b/node_modules/through2/LICENSE.md
new file mode 100644
index 00000000..a2429b63
--- /dev/null
+++ b/node_modules/through2/LICENSE.md
@@ -0,0 +1,9 @@
+# The MIT License (MIT)
+
+**Copyright (c) Rod Vagg (the "Original Author") and additional contributors**
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/through2/README.md b/node_modules/through2/README.md
new file mode 100644
index 00000000..b5e44c7b
--- /dev/null
+++ b/node_modules/through2/README.md
@@ -0,0 +1,134 @@
+# through2
+
+[![NPM](https://nodei.co/npm/through2.png?downloads&downloadRank)](https://nodei.co/npm/through2/)
+
+**A tiny wrapper around Node streams.Transform (Streams2/3) to avoid explicit subclassing noise**
+
+Inspired by [Dominic Tarr](https://github.com/dominictarr)'s [through](https://github.com/dominictarr/through) in that it's so much easier to make a stream out of a function than it is to set up the prototype chain properly: `through(function (chunk) { ... })`.
+
+Note: As 2.x.x this module starts using **Streams3** instead of Stream2. To continue using a Streams2 version use `npm install through2@0` to fetch the latest version of 0.x.x. More information about Streams2 vs Streams3 and recommendations see the article **[Why I don't use Node's core 'stream' module](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html)**.
+
+```js
+fs.createReadStream('ex.txt')
+  .pipe(through2(function (chunk, enc, callback) {
+    for (var i = 0; i < chunk.length; i++)
+      if (chunk[i] == 97)
+        chunk[i] = 122 // swap 'a' for 'z'
+
+    this.push(chunk)
+
+    callback()
+   }))
+  .pipe(fs.createWriteStream('out.txt'))
+  .on('finish', () => doSomethingSpecial())
+```
+
+Or object streams:
+
+```js
+var all = []
+
+fs.createReadStream('data.csv')
+  .pipe(csv2())
+  .pipe(through2.obj(function (chunk, enc, callback) {
+    var data = {
+        name    : chunk[0]
+      , address : chunk[3]
+      , phone   : chunk[10]
+    }
+    this.push(data)
+
+    callback()
+  }))
+  .on('data', (data) => {
+    all.push(data)
+  })
+  .on('end', () => {
+    doSomethingSpecial(all)
+  })
+```
+
+Note that `through2.obj(fn)` is a convenience wrapper around `through2({ objectMode: true }, fn)`.
+
+## API
+
+<b><code>through2([ options, ] [ transformFunction ] [, flushFunction ])</code></b>
+
+Consult the **[stream.Transform](http://nodejs.org/docs/latest/api/stream.html#stream_class_stream_transform)** documentation for the exact rules of the `transformFunction` (i.e. `this._transform`) and the optional `flushFunction` (i.e. `this._flush`).
+
+### options
+
+The options argument is optional and is passed straight through to `stream.Transform`. So you can use `objectMode:true` if you are processing non-binary streams (or just use `through2.obj()`).
+
+The `options` argument is first, unlike standard convention, because if I'm passing in an anonymous function then I'd prefer for the options argument to not get lost at the end of the call:
+
+```js
+fs.createReadStream('/tmp/important.dat')
+  .pipe(through2({ objectMode: true, allowHalfOpen: false },
+    (chunk, enc, cb) => {
+      cb(null, 'wut?') // note we can use the second argument on the callback
+                       // to provide data as an alternative to this.push('wut?')
+    }
+  )
+  .pipe(fs.createWriteStream('/tmp/wut.txt'))
+```
+
+### transformFunction
+
+The `transformFunction` must have the following signature: `function (chunk, encoding, callback) {}`. A minimal implementation should call the `callback` function to indicate that the transformation is done, even if that transformation means discarding the chunk.
+
+To queue a new chunk, call `this.push(chunk)`&mdash;this can be called as many times as required before the `callback()` if you have multiple pieces to send on.
+
+Alternatively, you may use `callback(err, chunk)` as shorthand for emitting a single chunk or an error.
+
+If you **do not provide a `transformFunction`** then you will get a simple pass-through stream.
+
+### flushFunction
+
+The optional `flushFunction` is provided as the last argument (2nd or 3rd, depending on whether you've supplied options) is called just prior to the stream ending. Can be used to finish up any processing that may be in progress.
+
+```js
+fs.createReadStream('/tmp/important.dat')
+  .pipe(through2(
+    (chunk, enc, cb) => cb(null, chunk), // transform is a noop
+    function (cb) { // flush function
+      this.push('tacking on an extra buffer to the end');
+      cb();
+    }
+  ))
+  .pipe(fs.createWriteStream('/tmp/wut.txt'));
+```
+
+<b><code>through2.ctor([ options, ] transformFunction[, flushFunction ])</code></b>
+
+Instead of returning a `stream.Transform` instance, `through2.ctor()` returns a **constructor** for a custom Transform. This is useful when you want to use the same transform logic in multiple instances.
+
+```js
+var FToC = through2.ctor({objectMode: true}, function (record, encoding, callback) {
+  if (record.temp != null && record.unit == "F") {
+    record.temp = ( ( record.temp - 32 ) * 5 ) / 9
+    record.unit = "C"
+  }
+  this.push(record)
+  callback()
+})
+
+// Create instances of FToC like so:
+var converter = new FToC()
+// Or:
+var converter = FToC()
+// Or specify/override options when you instantiate, if you prefer:
+var converter = FToC({objectMode: true})
+```
+
+## See Also
+
+  - [through2-map](https://github.com/brycebaril/through2-map) - Array.prototype.map analog for streams.
+  - [through2-filter](https://github.com/brycebaril/through2-filter) - Array.prototype.filter analog for streams.
+  - [through2-reduce](https://github.com/brycebaril/through2-reduce) - Array.prototype.reduce analog for streams.
+  - [through2-spy](https://github.com/brycebaril/through2-spy) - Wrapper for simple stream.PassThrough spies.
+  - the [mississippi stream utility collection](https://github.com/maxogden/mississippi) includes `through2` as well as many more useful stream modules similar to this one
+
+## License
+
+**through2** is Copyright (c) Rod Vagg [@rvagg](https://twitter.com/rvagg) and additional contributors and licensed under the MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.
diff --git a/node_modules/through2/package.json b/node_modules/through2/package.json
new file mode 100644
index 00000000..15960b63
--- /dev/null
+++ b/node_modules/through2/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "through2",
+  "version": "2.0.5",
+  "description": "A tiny wrapper around Node streams2 Transform to avoid explicit subclassing noise",
+  "main": "through2.js",
+  "scripts": {
+    "test": "node test/test.js | faucet"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/through2.git"
+  },
+  "keywords": [
+    "stream",
+    "streams2",
+    "through",
+    "transform"
+  ],
+  "author": "Rod Vagg <r@va.gg> (https://github.com/rvagg)",
+  "license": "MIT",
+  "dependencies": {
+    "readable-stream": "~2.3.6",
+    "xtend": "~4.0.1"
+  },
+  "devDependencies": {
+    "bl": "~2.0.1",
+    "faucet": "0.0.1",
+    "nyc": "~13.1.0",
+    "safe-buffer": "~5.1.2",
+    "stream-spigot": "~3.0.6",
+    "tape": "~4.9.1"
+  }
+}
diff --git a/node_modules/through2/through2.js b/node_modules/through2/through2.js
new file mode 100644
index 00000000..6baa6a1e
--- /dev/null
+++ b/node_modules/through2/through2.js
@@ -0,0 +1,96 @@
+var Transform = require('readable-stream').Transform
+  , inherits  = require('util').inherits
+  , xtend     = require('xtend')
+
+function DestroyableTransform(opts) {
+  Transform.call(this, opts)
+  this._destroyed = false
+}
+
+inherits(DestroyableTransform, Transform)
+
+DestroyableTransform.prototype.destroy = function(err) {
+  if (this._destroyed) return
+  this._destroyed = true
+  
+  var self = this
+  process.nextTick(function() {
+    if (err)
+      self.emit('error', err)
+    self.emit('close')
+  })
+}
+
+// a noop _transform function
+function noop (chunk, enc, callback) {
+  callback(null, chunk)
+}
+
+
+// create a new export function, used by both the main export and
+// the .ctor export, contains common logic for dealing with arguments
+function through2 (construct) {
+  return function (options, transform, flush) {
+    if (typeof options == 'function') {
+      flush     = transform
+      transform = options
+      options   = {}
+    }
+
+    if (typeof transform != 'function')
+      transform = noop
+
+    if (typeof flush != 'function')
+      flush = null
+
+    return construct(options, transform, flush)
+  }
+}
+
+
+// main export, just make me a transform stream!
+module.exports = through2(function (options, transform, flush) {
+  var t2 = new DestroyableTransform(options)
+
+  t2._transform = transform
+
+  if (flush)
+    t2._flush = flush
+
+  return t2
+})
+
+
+// make me a reusable prototype that I can `new`, or implicitly `new`
+// with a constructor call
+module.exports.ctor = through2(function (options, transform, flush) {
+  function Through2 (override) {
+    if (!(this instanceof Through2))
+      return new Through2(override)
+
+    this.options = xtend(options, override)
+
+    DestroyableTransform.call(this, this.options)
+  }
+
+  inherits(Through2, DestroyableTransform)
+
+  Through2.prototype._transform = transform
+
+  if (flush)
+    Through2.prototype._flush = flush
+
+  return Through2
+})
+
+
+module.exports.obj = through2(function (options, transform, flush) {
+  var t2 = new DestroyableTransform(xtend({ objectMode: true, highWaterMark: 16 }, options))
+
+  t2._transform = transform
+
+  if (flush)
+    t2._flush = flush
+
+  return t2
+})
diff --git a/node_modules/timers-browserify/CHANGELOG.md b/node_modules/timers-browserify/CHANGELOG.md
new file mode 100644
index 00000000..34aa4930
--- /dev/null
+++ b/node_modules/timers-browserify/CHANGELOG.md
@@ -0,0 +1,153 @@
+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 2.0.12 - 2020-10-27
+
+### Fixed
+
+* Remove `.DS_Store` from published package
+* Upgrade `connect` dev dependency
+
+## 2.0.11 - 2019-08-10
+
+### Fixed
+
+* License metadata in `package.json` now in standard SPDX format
+
+## 2.0.10 - 2018-04-18
+
+### Fixed
+
+* Guard `global` usage in scope to avoid reference errors
+
+## 2.0.9 - 2018-04-17
+
+### Fixed
+
+* Guard `self` usage in scope to avoid Webpack reference errors
+
+## 2.0.8 - 2018-04-17
+
+### Fixed
+
+* Worker support now explicitly references `self` and `window` rather then using
+  `this` implicitly to fix issues in Webpack builds.
+
+## 2.0.7 - 2018-04-16
+
+### Fixed
+
+* Support `setTimeout` / `setInterval` in workers
+
+## 2.0.6 - 2018-01-24
+
+### Fixed
+
+* Use `typeof` to search globals more carefully.
+
+## 2.0.5 - 2018-01-23
+
+### Fixed
+
+* Try harder to retrieve `setImmediate` and `clearImmediate` in esoteric
+  environments.
+
+## 2.0.4 - 2017-08-14
+
+### Fixed
+
+* Revert `setImmediate` and `clearImmediate` changes from 2.0.3 because they
+  appear to break Webpack.
+
+## 2.0.3 - 2017-07-31
+
+### Fixed
+
+* `setImmediate` and `clearImmediate` are indirected through the `global` module
+  for better coverage of esoteric environments.
+
+## 2.0.2 - 2016-10-19
+
+### Added
+
+* `.npmignore` now excludes example scripts, reducing package size
+
+## 2.0.1 - 2016-06-21
+
+### Fixed
+* `clearTimeout` and `clearInterval` no longer throws when passed null or
+  undefined instead of the timeout token.
+
+## 2.0.0 - 2016-03-28
+
+### Changed
+* `setImmediate` and `clearImmediate` now use the `setimmediate` module which
+  has better cross-browser coverage.  In particular, it resolves a crash in
+  Safari.  The `setimmediate` module adds these methods to the global
+  immediately, so a major version bump seems safest.
+
+## 1.4.2 - 2015-12-08
+
+### Added
+* Metadata used by `jspm` in `package.json`
+
+## 1.4.1 - 2015-05-10
+
+### Changed
+* Update `process` dependency
+
+## 1.4.0 - 2015-02-23
+
+### Added
+* Link to `timers-browserify-full`, which offers a larger, but much more exact,
+  version of Node's `timers` library
+
+### Changed
+* `setTimeout` and `setInterval` return objects with the same API as the Node
+  implementation, instead of just IDs
+
+### Fixed
+* `active` implementation actually has an effect, as in Node
+* Replaced usages of `apply` that break in IE 8
+
+## 1.3.0 - 2015-02-04
+
+### Changed
+* Prefer native versions of `setImmediate` and `clearImmediate` if they exist
+
+## 1.2.0 - 2015-01-02
+
+### Changed
+* Update `process` dependency
+
+## 1.1.0 - 2014-08-26
+
+### Added
+* `clearImmediate` available to undo `setImmediate`
+
+## 1.0.3 - 2014-06-30
+
+### Fixed
+* Resume returning opaque IDs from `setTimeout` and `setInterval`
+
+## 1.0.2 - 2014-06-30
+
+### Fixed
+* Pass `window` explicitly to `setTimeout` and others to resolve an error in
+  Chrome
+
+## 1.0.1 - 2013-12-28
+
+### Changed
+* Replaced `setimmediate` dependency with `process` for the `nextTick` shim
+
+## 1.0.0 - 2013-12-10
+
+### Added
+* Guard against undefined globals like `setTimeout` in some environments
+
+## 0.0.0 - 2012-05-30
+
+### Added
+* Basic functionality for initial release
diff --git a/node_modules/timers-browserify/LICENSE.md b/node_modules/timers-browserify/LICENSE.md
new file mode 100644
index 00000000..940ec90a
--- /dev/null
+++ b/node_modules/timers-browserify/LICENSE.md
@@ -0,0 +1,46 @@
+# timers-browserify
+
+This project uses the [MIT](http://jryans.mit-license.org/) license:
+
+    Copyright © 2012 J. Ryan Stinnett <jryans@gmail.com>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the “Software”),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+
+# lib/node
+
+The `lib/node` directory borrows files from joyent/node which uses the following license:
+
+    Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to
+    deal in the Software without restriction, including without limitation the
+    rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+    sell copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+    IN THE SOFTWARE.
diff --git a/node_modules/timers-browserify/README.md b/node_modules/timers-browserify/README.md
new file mode 100644
index 00000000..c7efa192
--- /dev/null
+++ b/node_modules/timers-browserify/README.md
@@ -0,0 +1,40 @@
+# Overview
+
+Adds support for the `timers` module to browserify.
+
+## Wait, isn't it already supported in the browser?
+
+The public methods of the `timers` module are:
+
+* `setTimeout(callback, delay, [arg], [...])`
+* `clearTimeout(timeoutId)`
+* `setInterval(callback, delay, [arg], [...])`
+* `clearInterval(intervalId)`
+
+and indeed, browsers support these already.
+
+## So, why does this exist?
+
+The `timers` module also includes some private methods used in other built-in
+Node.js modules:
+
+* `enroll(item, delay)`
+* `unenroll(item)`
+* `active(item)`
+
+These are used to efficiently support a large quantity of timers with the same
+timeouts by creating only a few timers under the covers.
+
+Node.js also offers the `immediate` APIs, which aren't yet available cross-browser, so we polyfill those:
+
+* `setImmediate(callback, [arg], [...])`
+* `clearImmediate(immediateId)`
+
+## I need lots of timers and want to use linked list timers as Node.js does.
+
+Linked lists are efficient when you have thousands (millions?) of timers with the same delay.
+Take a look at [timers-browserify-full](https://www.npmjs.com/package/timers-browserify-full) in this case.
+
+# License
+
+[MIT](http://jryans.mit-license.org/)
diff --git a/node_modules/timers-browserify/main.js b/node_modules/timers-browserify/main.js
new file mode 100644
index 00000000..4214e74b
--- /dev/null
+++ b/node_modules/timers-browserify/main.js
@@ -0,0 +1,63 @@
+var scope = (typeof global !== "undefined" && global) ||
+            (typeof self !== "undefined" && self) ||
+            window;
+var apply = Function.prototype.apply;
+
+// DOM APIs, for completeness
+
+exports.setTimeout = function() {
+  return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);
+};
+exports.setInterval = function() {
+  return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);
+};
+exports.clearTimeout =
+exports.clearInterval = function(timeout) {
+  if (timeout) {
+    timeout.close();
+  }
+};
+
+function Timeout(id, clearFn) {
+  this._id = id;
+  this._clearFn = clearFn;
+}
+Timeout.prototype.unref = Timeout.prototype.ref = function() {};
+Timeout.prototype.close = function() {
+  this._clearFn.call(scope, this._id);
+};
+
+// Does not start the time, just sets up the members needed.
+exports.enroll = function(item, msecs) {
+  clearTimeout(item._idleTimeoutId);
+  item._idleTimeout = msecs;
+};
+
+exports.unenroll = function(item) {
+  clearTimeout(item._idleTimeoutId);
+  item._idleTimeout = -1;
+};
+
+exports._unrefActive = exports.active = function(item) {
+  clearTimeout(item._idleTimeoutId);
+
+  var msecs = item._idleTimeout;
+  if (msecs >= 0) {
+    item._idleTimeoutId = setTimeout(function onTimeout() {
+      if (item._onTimeout)
+        item._onTimeout();
+    }, msecs);
+  }
+};
+
+// setimmediate attaches itself to the global object
+require("setimmediate");
+// On some exotic environments, it's not clear which object `setimmediate` was
+// able to install onto.  Search each possibility in the same order as the
+// `setimmediate` library.
+exports.setImmediate = (typeof self !== "undefined" && self.setImmediate) ||
+                       (typeof global !== "undefined" && global.setImmediate) ||
+                       (this && this.setImmediate);
+exports.clearImmediate = (typeof self !== "undefined" && self.clearImmediate) ||
+                         (typeof global !== "undefined" && global.clearImmediate) ||
+                         (this && this.clearImmediate);
diff --git a/node_modules/timers-browserify/package.json b/node_modules/timers-browserify/package.json
new file mode 100644
index 00000000..be8978f2
--- /dev/null
+++ b/node_modules/timers-browserify/package.json
@@ -0,0 +1,53 @@
+{
+  "author": "J. Ryan Stinnett <jryans@gmail.com> (https://convolv.es/)",
+  "name": "timers-browserify",
+  "description": "timers module for browserify",
+  "version": "2.0.12",
+  "homepage": "https://github.com/jryans/timers-browserify",
+  "bugs": "https://github.com/jryans/timers-browserify/issues",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jryans/timers-browserify.git"
+  },
+  "contributors": [
+    "Colton Brown <coltonTB@me.com>",
+    "Dario Segura <dario.seco@gmail.com>",
+    "Guy Bedford <guybedford@gmail.com>",
+    "Ionut-Cristian Florescu <ionut.florescu@gmail.com>",
+    "James Halliday <mail@substack.net>",
+    "Jan Schär <jscissr@gmail.com>",
+    "Johannes Ewald <johannes.ewald@peerigon.com>",
+    "Jonathan Prins <jon@blip.tv>",
+    "Matt Esch <matt@mattesch.info>",
+    "Renée Kooi <renee@kooi.me>",
+    "Simon Meusel <info@simonmeusel.de>",
+    "taoqf <tao_qiufeng@126.com>",
+    "Thiago Felix <thiago@thiagofelix.com>",
+    "wtgtybhertgeghgtwtg <wtgtybhertgeghgtwtg@gmail.com>"
+  ],
+  "main": "main.js",
+  "dependencies": {
+    "setimmediate": "^1.0.4"
+  },
+  "devDependencies": {
+    "browserify": "~1.10.16",
+    "connect": "~2.30.2"
+  },
+  "optionalDependencies": {},
+  "engines": {
+    "node": ">=0.6.0"
+  },
+  "keywords": [
+    "timers",
+    "browserify",
+    "browser"
+  ],
+  "license": "MIT",
+  "jspm": {
+    "map": {
+      "./main.js": {
+        "node": "@node/timers"
+      }
+    }
+  }
+}
diff --git a/node_modules/to-arraybuffer/.npmignore b/node_modules/to-arraybuffer/.npmignore
new file mode 100644
index 00000000..6c3df58f
--- /dev/null
+++ b/node_modules/to-arraybuffer/.npmignore
@@ -0,0 +1,4 @@
+.DS_Store
+node_modules
+npm-debug.log
+.zuulrc
diff --git a/node_modules/to-arraybuffer/.travis.yml b/node_modules/to-arraybuffer/.travis.yml
new file mode 100644
index 00000000..3428b14b
--- /dev/null
+++ b/node_modules/to-arraybuffer/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "4.1"
\ No newline at end of file
diff --git a/node_modules/to-arraybuffer/.zuul.yml b/node_modules/to-arraybuffer/.zuul.yml
new file mode 100644
index 00000000..7e60601f
--- /dev/null
+++ b/node_modules/to-arraybuffer/.zuul.yml
@@ -0,0 +1,16 @@
+ui: tape
+browsers:
+  - name: chrome
+    version: 39..latest
+  - name: firefox
+    version: 34..latest
+  - name: safari
+    version: 5..latest
+  - name: ie
+    version: 10..latest
+  - name: opera
+    version: 11..latest
+  - name: iphone
+    version: 5.1..latest
+  - name: android
+    version: 4.0..latest
\ No newline at end of file
diff --git a/node_modules/to-arraybuffer/LICENSE b/node_modules/to-arraybuffer/LICENSE
new file mode 100644
index 00000000..1e936dad
--- /dev/null
+++ b/node_modules/to-arraybuffer/LICENSE
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2016 John Hiesey
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/to-arraybuffer/README.md b/node_modules/to-arraybuffer/README.md
new file mode 100644
index 00000000..6bdef265
--- /dev/null
+++ b/node_modules/to-arraybuffer/README.md
@@ -0,0 +1,27 @@
+# to-arraybuffer [![Build Status](https://travis-ci.org/jhiesey/to-arraybuffer.svg?branch=master)](https://travis-ci.org/jhiesey/to-arraybuffer)
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/to-arraybuffer.svg)](https://saucelabs.com/u/to-arraybuffer)
+
+Convert from a Buffer to an ArrayBuffer as fast as possible.
+
+Note that in some cases the returned ArrayBuffer is backed by the same memory as the original
+Buffer (but in other cases it is a copy), so **modifying the ArrayBuffer is not recommended**.
+
+This module is designed to work both in node.js and in all browsers with ArrayBuffer support
+when using [the Buffer implementation provided by Browserify](https://www.npmjs.com/package/buffer).
+
+## Usage
+
+``` js
+var toArrayBuffer = require('to-arraybuffer')
+
+var buffer = new Buffer(100)
+// Fill the buffer with some data
+
+var ab = toArrayBuffer(buffer)
+// `ab` now contains the same data as `buffer`
+```
+
+## License
+
+MIT
\ No newline at end of file
diff --git a/node_modules/to-arraybuffer/index.js b/node_modules/to-arraybuffer/index.js
new file mode 100644
index 00000000..2f69ae0c
--- /dev/null
+++ b/node_modules/to-arraybuffer/index.js
@@ -0,0 +1,27 @@
+var Buffer = require('buffer').Buffer
+
+module.exports = function (buf) {
+	// If the buffer is backed by a Uint8Array, a faster version will work
+	if (buf instanceof Uint8Array) {
+		// If the buffer isn't a subarray, return the underlying ArrayBuffer
+		if (buf.byteOffset === 0 && buf.byteLength === buf.buffer.byteLength) {
+			return buf.buffer
+		} else if (typeof buf.buffer.slice === 'function') {
+			// Otherwise we need to get a proper copy
+			return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength)
+		}
+	}
+
+	if (Buffer.isBuffer(buf)) {
+		// This is the slow version that will work with any Buffer
+		// implementation (even in old browsers)
+		var arrayCopy = new Uint8Array(buf.length)
+		var len = buf.length
+		for (var i = 0; i < len; i++) {
+			arrayCopy[i] = buf[i]
+		}
+		return arrayCopy.buffer
+	} else {
+		throw new Error('Argument must be a Buffer')
+	}
+}
diff --git a/node_modules/to-arraybuffer/package.json b/node_modules/to-arraybuffer/package.json
new file mode 100644
index 00000000..fbfe6c0a
--- /dev/null
+++ b/node_modules/to-arraybuffer/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "to-arraybuffer",
+  "version": "1.0.1",
+  "description": "Get an ArrayBuffer from a Buffer as fast as possible",
+  "main": "index.js",
+  "scripts": {
+    "test": "npm run test-node && ([ -n \"${TRAVIS_PULL_REQUEST}\" -a \"${TRAVIS_PULL_REQUEST}\" != 'false' ] || npm run test-browser)",
+    "test-node": "tape test.js",
+    "test-browser": "zuul --no-coverage -- test.js",
+    "test-browser-local": "zuul --local 8080 --no-coverage -- test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jhiesey/to-arraybuffer.git"
+  },
+  "keywords": [
+    "buffer",
+    "to",
+    "arraybuffer",
+    "fast",
+    "read",
+    "only"
+  ],
+  "author": "John Hiesey",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/jhiesey/to-arraybuffer/issues"
+  },
+  "homepage": "https://github.com/jhiesey/to-arraybuffer#readme",
+  "devDependencies": {
+    "tape": "^4.4.0",
+    "zuul": "^3.9.0"
+  }
+}
diff --git a/node_modules/to-arraybuffer/test.js b/node_modules/to-arraybuffer/test.js
new file mode 100644
index 00000000..1814ae3f
--- /dev/null
+++ b/node_modules/to-arraybuffer/test.js
@@ -0,0 +1,57 @@
+var Buffer = require('buffer').Buffer
+var test = require('tape')
+
+var toArrayBuffer = require('.')
+
+function elementsEqual (ab, buffer) {
+	var view = new Uint8Array(ab)
+	for (var i = 0; i < view.length; i++) {
+		if (view[i] !== buffer[i]) {
+			return false
+		}
+	}
+	return true
+}
+
+test('Basic behavior', function (t) {
+	var buf = new Buffer(10)
+	for (var i = 0; i < 10; i++) {
+		buf[i] = i
+	}
+
+	var ab = toArrayBuffer(buf)
+
+	t.equals(ab.byteLength, 10, 'correct length')
+	t.ok(elementsEqual(ab, buf), 'elements equal')
+	t.end()
+})
+
+test('Behavior when input is a subarray 1', function (t) {
+	var origBuf = new Buffer(10)
+	for (var i = 0; i < 10; i++) {
+		origBuf[i] = i
+	}
+	var buf = origBuf.slice(1)
+
+	var ab = toArrayBuffer(buf)
+
+	t.equals(ab.byteLength, 9, 'correct length')
+	t.ok(elementsEqual(ab, buf), 'elements equal')
+	t.notOk(ab === buf.buffer, 'the underlying ArrayBuffer is not returned when incorrect')
+	t.end()
+})
+
+test('Behavior when input is a subarray 2', function (t) {
+	var origBuf = new Buffer(10)
+	for (var i = 0; i < 10; i++) {
+		origBuf[i] = i
+	}
+	var buf = origBuf.slice(0, 9)
+
+	var ab = toArrayBuffer(buf)
+
+	t.equals(ab.byteLength, 9, 'correct length')
+	t.ok(elementsEqual(ab, buf), 'elements equal')
+	t.notOk(ab === buf.buffer, 'the underlying ArrayBuffer is not returned when incorrect')
+	t.end()
+})
diff --git a/node_modules/to-object-path/LICENSE b/node_modules/to-object-path/LICENSE
new file mode 100644
index 00000000..1e49edf8
--- /dev/null
+++ b/node_modules/to-object-path/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/to-object-path/README.md b/node_modules/to-object-path/README.md
new file mode 100644
index 00000000..7f3cfb16
--- /dev/null
+++ b/node_modules/to-object-path/README.md
@@ -0,0 +1,71 @@
+# to-object-path [![NPM version](https://badge.fury.io/js/to-object-path.svg)](http://badge.fury.io/js/to-object-path)
+
+> Create an object path from a list or array of strings.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i to-object-path --save
+```
+
+## Usage
+
+```js
+var toPath = require('to-object-path');
+
+toPath('foo', 'bar', 'baz');
+toPath('foo', ['bar', 'baz']);
+//=> 'foo.bar.baz'
+```
+
+Also supports passing an arguments object (without having to slice args):
+
+```js
+function foo()
+  return toPath(arguments);
+}
+
+foo('foo', 'bar', 'baz');
+foo('foo', ['bar', 'baz']);
+//=> 'foo.bar.baz'
+```
+
+Visit the [example](./example.js) to see how this could be used in an application.
+
+## Related projects
+
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`  a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value)
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://www.npmjs.com/package/has-value) | [homepage](https://github.com/jonschlinkert/has-value)
+* [omit-value](https://www.npmjs.com/package/omit-value): Omit properties from an object or deeply nested property of an object using object path… [more](https://www.npmjs.com/package/omit-value) | [homepage](https://github.com/jonschlinkert/omit-value)
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value)
+* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/to-object-path/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on October 28, 2015._
\ No newline at end of file
diff --git a/node_modules/to-object-path/index.js b/node_modules/to-object-path/index.js
new file mode 100644
index 00000000..489f8f68
--- /dev/null
+++ b/node_modules/to-object-path/index.js
@@ -0,0 +1,33 @@
+/*!
+ * to-object-path <https://github.com/jonschlinkert/to-object-path>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var typeOf = require('kind-of');
+
+module.exports = function toPath(args) {
+  if (typeOf(args) !== 'arguments') {
+    args = arguments;
+  }
+  return filter(args).join('.');
+};
+
+function filter(arr) {
+  var len = arr.length;
+  var idx = -1;
+  var res = [];
+
+  while (++idx < len) {
+    var ele = arr[idx];
+    if (typeOf(ele) === 'arguments' || Array.isArray(ele)) {
+      res.push.apply(res, filter(ele));
+    } else if (typeof ele === 'string') {
+      res.push(ele);
+    }
+  }
+  return res;
+}
diff --git a/node_modules/to-object-path/node_modules/kind-of/LICENSE b/node_modules/to-object-path/node_modules/kind-of/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/to-object-path/node_modules/kind-of/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/to-object-path/node_modules/kind-of/README.md b/node_modules/to-object-path/node_modules/kind-of/README.md
new file mode 100644
index 00000000..6a9df36d
--- /dev/null
+++ b/node_modules/to-object-path/node_modules/kind-of/README.md
@@ -0,0 +1,261 @@
+# kind-of [![NPM version](https://img.shields.io/npm/v/kind-of.svg?style=flat)](https://www.npmjs.com/package/kind-of) [![NPM monthly downloads](https://img.shields.io/npm/dm/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![NPM total downloads](https://img.shields.io/npm/dt/kind-of.svg?style=flat)](https://npmjs.org/package/kind-of) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/kind-of.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/kind-of)
+
+> Get the native type of a value.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save kind-of
+```
+
+## Install
+
+Install with [bower](https://bower.io/)
+
+```sh
+$ bower install kind-of --save
+```
+
+## Usage
+
+> es5, browser and es6 ready
+
+```js
+var kindOf = require('kind-of');
+
+kindOf(undefined);
+//=> 'undefined'
+
+kindOf(null);
+//=> 'null'
+
+kindOf(true);
+//=> 'boolean'
+
+kindOf(false);
+//=> 'boolean'
+
+kindOf(new Boolean(true));
+//=> 'boolean'
+
+kindOf(new Buffer(''));
+//=> 'buffer'
+
+kindOf(42);
+//=> 'number'
+
+kindOf(new Number(42));
+//=> 'number'
+
+kindOf('str');
+//=> 'string'
+
+kindOf(new String('str'));
+//=> 'string'
+
+kindOf(arguments);
+//=> 'arguments'
+
+kindOf({});
+//=> 'object'
+
+kindOf(Object.create(null));
+//=> 'object'
+
+kindOf(new Test());
+//=> 'object'
+
+kindOf(new Date());
+//=> 'date'
+
+kindOf([]);
+//=> 'array'
+
+kindOf([1, 2, 3]);
+//=> 'array'
+
+kindOf(new Array());
+//=> 'array'
+
+kindOf(/foo/);
+//=> 'regexp'
+
+kindOf(new RegExp('foo'));
+//=> 'regexp'
+
+kindOf(function () {});
+//=> 'function'
+
+kindOf(function * () {});
+//=> 'function'
+
+kindOf(new Function());
+//=> 'function'
+
+kindOf(new Map());
+//=> 'map'
+
+kindOf(new WeakMap());
+//=> 'weakmap'
+
+kindOf(new Set());
+//=> 'set'
+
+kindOf(new WeakSet());
+//=> 'weakset'
+
+kindOf(Symbol('str'));
+//=> 'symbol'
+
+kindOf(new Int8Array());
+//=> 'int8array'
+
+kindOf(new Uint8Array());
+//=> 'uint8array'
+
+kindOf(new Uint8ClampedArray());
+//=> 'uint8clampedarray'
+
+kindOf(new Int16Array());
+//=> 'int16array'
+
+kindOf(new Uint16Array());
+//=> 'uint16array'
+
+kindOf(new Int32Array());
+//=> 'int32array'
+
+kindOf(new Uint32Array());
+//=> 'uint32array'
+
+kindOf(new Float32Array());
+//=> 'float32array'
+
+kindOf(new Float64Array());
+//=> 'float64array'
+```
+
+## Benchmarks
+
+Benchmarked against [typeof](http://github.com/CodingFu/typeof) and [type-of](https://github.com/ForbesLindesay/type-of).
+Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `WeakSet`.
+
+```bash
+#1: array
+  current x 23,329,397 ops/sec ±0.82% (94 runs sampled)
+  lib-type-of x 4,170,273 ops/sec ±0.55% (94 runs sampled)
+  lib-typeof x 9,686,935 ops/sec ±0.59% (98 runs sampled)
+
+#2: boolean
+  current x 27,197,115 ops/sec ±0.85% (94 runs sampled)
+  lib-type-of x 3,145,791 ops/sec ±0.73% (97 runs sampled)
+  lib-typeof x 9,199,562 ops/sec ±0.44% (99 runs sampled)
+
+#3: date
+  current x 20,190,117 ops/sec ±0.86% (92 runs sampled)
+  lib-type-of x 5,166,970 ops/sec ±0.74% (94 runs sampled)
+  lib-typeof x 9,610,821 ops/sec ±0.50% (96 runs sampled)
+
+#4: function
+  current x 23,855,460 ops/sec ±0.60% (97 runs sampled)
+  lib-type-of x 5,667,740 ops/sec ±0.54% (100 runs sampled)
+  lib-typeof x 10,010,644 ops/sec ±0.44% (100 runs sampled)
+
+#5: null
+  current x 27,061,047 ops/sec ±0.97% (96 runs sampled)
+  lib-type-of x 13,965,573 ops/sec ±0.62% (97 runs sampled)
+  lib-typeof x 8,460,194 ops/sec ±0.61% (97 runs sampled)
+
+#6: number
+  current x 25,075,682 ops/sec ±0.53% (99 runs sampled)
+  lib-type-of x 2,266,405 ops/sec ±0.41% (98 runs sampled)
+  lib-typeof x 9,821,481 ops/sec ±0.45% (99 runs sampled)
+
+#7: object
+  current x 3,348,980 ops/sec ±0.49% (99 runs sampled)
+  lib-type-of x 3,245,138 ops/sec ±0.60% (94 runs sampled)
+  lib-typeof x 9,262,952 ops/sec ±0.59% (99 runs sampled)
+
+#8: regex
+  current x 21,284,827 ops/sec ±0.72% (96 runs sampled)
+  lib-type-of x 4,689,241 ops/sec ±0.43% (100 runs sampled)
+  lib-typeof x 8,957,593 ops/sec ±0.62% (98 runs sampled)
+
+#9: string
+  current x 25,379,234 ops/sec ±0.58% (96 runs sampled)
+  lib-type-of x 3,635,148 ops/sec ±0.76% (93 runs sampled)
+  lib-typeof x 9,494,134 ops/sec ±0.49% (98 runs sampled)
+
+#10: undef
+  current x 27,459,221 ops/sec ±1.01% (93 runs sampled)
+  lib-type-of x 14,360,433 ops/sec ±0.52% (99 runs sampled)
+  lib-typeof x 23,202,868 ops/sec ±0.59% (94 runs sampled)
+
+```
+
+## Optimizations
+
+In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
+
+1. Optimize around the fastest and most common use cases first. Of course, this will change from project-to-project, but I took some time to understand how and why `typeof` checks were being used in my own libraries and other libraries I use a lot.
+2. Optimize around bottlenecks - In other words, the order in which conditionals are implemented is significant, because each check is only as fast as the failing checks that came before it. Here, the biggest bottleneck by far is checking for plain objects (an object that was created by the `Object` constructor). I opted to make this check happen by process of elimination rather than brute force up front (e.g. by using something like `val.constructor.name`), so that every other type check would not be penalized it.
+3. Don't do uneccessary processing - why do `.slice(8, -1).toLowerCase();` just to get the word `regex`? It's much faster to do `if (type === '[object RegExp]') return 'regex'`
+
+## About
+
+### Related projects
+
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
+* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive.  | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [miguelmota](https://github.com/miguelmota) |
+| 1 | [dtothefp](https://github.com/dtothefp) |
+| 1 | [ksheedlo](https://github.com/ksheedlo) |
+| 1 | [pdehaan](https://github.com/pdehaan) |
+| 1 | [laggingreflex](https://github.com/laggingreflex) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 16, 2017._
\ No newline at end of file
diff --git a/node_modules/to-object-path/node_modules/kind-of/index.js b/node_modules/to-object-path/node_modules/kind-of/index.js
new file mode 100644
index 00000000..b52c2917
--- /dev/null
+++ b/node_modules/to-object-path/node_modules/kind-of/index.js
@@ -0,0 +1,116 @@
+var isBuffer = require('is-buffer');
+var toString = Object.prototype.toString;
+
+/**
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
+ */
+
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
+  }
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};
diff --git a/node_modules/to-object-path/node_modules/kind-of/package.json b/node_modules/to-object-path/node_modules/kind-of/package.json
new file mode 100644
index 00000000..5de879e1
--- /dev/null
+++ b/node_modules/to-object-path/node_modules/kind-of/package.json
@@ -0,0 +1,90 @@
+{
+  "name": "kind-of",
+  "description": "Get the native type of a value.",
+  "version": "3.2.2",
+  "homepage": "https://github.com/jonschlinkert/kind-of",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "David Fox-Powell (https://dtothefp.github.io/me)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Ken Sheedlo (kensheedlo.com)",
+    "laggingreflex (https://github.com/laggingreflex)",
+    "Miguel Mota (https://miguelmota.com)",
+    "Peter deHaan (http://about.me/peterdehaan)"
+  ],
+  "repository": "jonschlinkert/kind-of",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/kind-of/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha",
+    "prepublish": "browserify -o browser.js -e index.js -s index --bare"
+  },
+  "dependencies": {
+    "is-buffer": "^1.1.5"
+  },
+  "devDependencies": {
+    "ansi-bold": "^0.1.1",
+    "benchmarked": "^1.0.0",
+    "browserify": "^14.3.0",
+    "glob": "^7.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.3.0",
+    "type-of": "^2.0.1",
+    "typeof": "^1.0.0"
+  },
+  "keywords": [
+    "arguments",
+    "array",
+    "boolean",
+    "check",
+    "date",
+    "function",
+    "is",
+    "is-type",
+    "is-type-of",
+    "kind",
+    "kind-of",
+    "number",
+    "object",
+    "of",
+    "regexp",
+    "string",
+    "test",
+    "type",
+    "type-of",
+    "typeof",
+    "types"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "is-glob",
+        "is-number",
+        "is-primitive"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/to-object-path/package.json b/node_modules/to-object-path/package.json
new file mode 100644
index 00000000..2fe341b7
--- /dev/null
+++ b/node_modules/to-object-path/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "to-object-path",
+  "description": "Create an object path from a list or array of strings.",
+  "version": "0.3.0",
+  "homepage": "https://github.com/jonschlinkert/to-object-path",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/to-object-path",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/to-object-path/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "kind-of": "^3.0.2"
+  },
+  "devDependencies": {
+    "base": "^0.6.7",
+    "mocha": "*"
+  },
+  "keywords": [
+    "dot",
+    "nested",
+    "notation",
+    "object",
+    "path",
+    "stringify"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "get-value",
+        "set-value",
+        "has-value",
+        "omit-value",
+        "unset-value"
+      ]
+    }
+  }
+}
diff --git a/node_modules/to-regex-range/LICENSE b/node_modules/to-regex-range/LICENSE
new file mode 100644
index 00000000..83b56e70
--- /dev/null
+++ b/node_modules/to-regex-range/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/to-regex-range/README.md b/node_modules/to-regex-range/README.md
new file mode 100644
index 00000000..2763c5ae
--- /dev/null
+++ b/node_modules/to-regex-range/README.md
@@ -0,0 +1,281 @@
+# to-regex-range [![NPM version](https://img.shields.io/npm/v/to-regex-range.svg?style=flat)](https://www.npmjs.com/package/to-regex-range) [![NPM monthly downloads](https://img.shields.io/npm/dm/to-regex-range.svg?style=flat)](https://npmjs.org/package/to-regex-range)  [![NPM total downloads](https://img.shields.io/npm/dt/to-regex-range.svg?style=flat)](https://npmjs.org/package/to-regex-range) [![Linux Build Status](https://img.shields.io/travis/micromatch/to-regex-range.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/to-regex-range)
+
+> Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save to-regex-range
+```
+
+Install with [yarn](https://yarnpkg.com):
+
+```sh
+$ yarn add to-regex-range
+```
+
+<details>
+<summary><strong>What does this do?</strong></summary>
+
+<br>
+
+This libary generates the `source` string to be passed to `new RegExp()` for matching a range of numbers.
+
+**Example**
+
+```js
+var toRegexRange = require('to-regex-range');
+var regex = new RegExp(toRegexRange('15', '95'));
+```
+
+A string is returned so that you can do whatever you need with it before passing it to `new RegExp()` (like adding `^` or `$` boundaries, defining flags, or combining it another string).
+
+<br>
+
+</details>
+
+<details>
+<summary><strong>Why use this library?</strong></summary>
+
+<br>
+
+### Convenience
+
+Creating regular expressions for matching numbers gets deceptively complicated pretty fast.
+
+For example, let's say you need a validation regex for matching part of a user-id, postal code, social security number, tax id, etc:
+
+* regex for matching `1` => `/1/` (easy enough)
+* regex for matching `1` through `5` => `/[1-5]/` (not bad...)
+* regex for matching `1` or `5` => `/(1|5)/` (still easy...)
+* regex for matching `1` through `50` => `/([1-9]|[1-4][0-9]|50)/` (uh-oh...)
+* regex for matching `1` through `55` => `/([1-9]|[1-4][0-9]|5[0-5])/` (no prob, I can do this...)
+* regex for matching `1` through `555` => `/([1-9]|[1-9][0-9]|[1-4][0-9]{2}|5[0-4][0-9]|55[0-5])/` (maybe not...)
+* regex for matching `0001` through `5555` => `/(0{3}[1-9]|0{2}[1-9][0-9]|0[1-9][0-9]{2}|[1-4][0-9]{3}|5[0-4][0-9]{2}|55[0-4][0-9]|555[0-5])/` (okay, I get the point!)
+
+The numbers are contrived, but they're also really basic. In the real world you might need to generate a regex on-the-fly for validation.
+
+**Learn more**
+
+If you're interested in learning more about [character classes](http://www.regular-expressions.info/charclass.html) and other regex features, I personally have always found [regular-expressions.info](http://www.regular-expressions.info/charclass.html) to be pretty useful.
+
+### Heavily tested
+
+As of April 27, 2017, this library runs [2,783,483 test assertions](./test/test.js) against generated regex-ranges to provide brute-force verification that results are indeed correct.
+
+Tests run in ~870ms on my MacBook Pro, 2.5 GHz Intel Core i7.
+
+### Highly optimized
+
+Generated regular expressions are highly optimized:
+
+* duplicate sequences and character classes are reduced using quantifiers
+* smart enough to use `?` conditionals when number(s) or range(s) can be positive or negative
+* uses fragment caching to avoid processing the same exact string more than once
+
+<br>
+
+</details>
+
+## Usage
+
+Add this library to your javascript application with the following line of code
+
+```js
+var toRegexRange = require('to-regex-range');
+```
+
+The main export is a function that takes two integers: the `min` value and `max` value (formatted as strings or numbers).
+
+```js
+var source = toRegexRange('15', '95');
+//=> 1[5-9]|[2-8][0-9]|9[0-5]
+
+var re = new RegExp('^' + source + '$');
+console.log(re.test('14')); //=> false
+console.log(re.test('50')); //=> true
+console.log(re.test('94')); //=> true
+console.log(re.test('96')); //=> false
+```
+
+## Options
+
+### options.capture
+
+**Type**: `boolean`
+
+**Deafault**: `undefined`
+
+Wrap the returned value in parentheses when there is more than one regex condition. Useful when you're dynamically generating ranges.
+
+```js
+console.log(toRegexRange('-10', '10'));
+//=> -[1-9]|-?10|[0-9]
+
+console.log(toRegexRange('-10', '10', {capture: true}));
+//=> (-[1-9]|-?10|[0-9])
+```
+
+### options.shorthand
+
+**Type**: `boolean`
+
+**Deafault**: `undefined`
+
+Use the regex shorthand for `[0-9]`:
+
+```js
+console.log(toRegexRange('0', '999999'));
+//=> [0-9]|[1-9][0-9]{1,5}
+
+console.log(toRegexRange('0', '999999', {shorthand: true}));
+//=> \d|[1-9]\d{1,5}
+```
+
+### options.relaxZeros
+
+**Type**: `boolean`
+
+**Default**: `true`
+
+This option only applies to **negative zero-padded ranges**. By default, when a negative zero-padded range is defined, the number of leading zeros is relaxed using `-0*`.
+
+```js
+console.log(toRegexRange('-001', '100'));
+//=> -0*1|0{2}[0-9]|0[1-9][0-9]|100
+
+console.log(toRegexRange('-001', '100', {relaxZeros: false}));
+//=> -0{2}1|0{2}[0-9]|0[1-9][0-9]|100
+```
+
+<details>
+<summary><strong>Why are zeros relaxed for negative zero-padded ranges by default?</strong></summary>
+
+Consider the following.
+
+```js
+var regex = toRegexRange('-001', '100');
+```
+
+_Note that `-001` and `100` are both three digits long_.
+
+In most zero-padding implementations, only a single leading zero is enough to indicate that zero-padding should be applied. Thus, the leading zeros would be "corrected" on the negative range in the example to `-01`, instead of `-001`, to make total length of each string no greater than the length of the largest number in the range (in other words, `-001` is 4 digits, but `100` is only three digits).
+
+If zeros were not relaxed by default, you might expect the resulting regex of the above pattern to match `-001` - given that it's defined that way in the arguments - _but it wouldn't_. It would, however, match `-01`. This gets even more ambiguous with large ranges, like `-01` to `1000000`.
+
+Thus, we relax zeros by default to provide a more predictable experience for users.
+
+</details>
+
+## Examples
+
+| **Range** | **Result** | **Compile time** | 
+| --- | --- | --- |
+| `toRegexRange('5, 5')` | `5` | _33μs_ |
+| `toRegexRange('5, 6')` | `5\|6` | _53μs_ |
+| `toRegexRange('29, 51')` | `29\|[34][0-9]\|5[01]` | _699μs_ |
+| `toRegexRange('31, 877')` | `3[1-9]\|[4-9][0-9]\|[1-7][0-9]{2}\|8[0-6][0-9]\|87[0-7]` | _711μs_ |
+| `toRegexRange('111, 555')` | `11[1-9]\|1[2-9][0-9]\|[2-4][0-9]{2}\|5[0-4][0-9]\|55[0-5]` | _62μs_ |
+| `toRegexRange('-10, 10')` | `-[1-9]\|-?10\|[0-9]` | _74μs_ |
+| `toRegexRange('-100, -10')` | `-1[0-9]\|-[2-9][0-9]\|-100` | _49μs_ |
+| `toRegexRange('-100, 100')` | `-[1-9]\|-?[1-9][0-9]\|-?100\|[0-9]` | _45μs_ |
+| `toRegexRange('001, 100')` | `0{2}[1-9]\|0[1-9][0-9]\|100` | _158μs_ |
+| `toRegexRange('0010, 1000')` | `0{2}1[0-9]\|0{2}[2-9][0-9]\|0[1-9][0-9]{2}\|1000` | _61μs_ |
+| `toRegexRange('1, 2')` | `1\|2` | _10μs_ |
+| `toRegexRange('1, 5')` | `[1-5]` | _24μs_ |
+| `toRegexRange('1, 10')` | `[1-9]\|10` | _23μs_ |
+| `toRegexRange('1, 100')` | `[1-9]\|[1-9][0-9]\|100` | _30μs_ |
+| `toRegexRange('1, 1000')` | `[1-9]\|[1-9][0-9]{1,2}\|1000` | _52μs_ |
+| `toRegexRange('1, 10000')` | `[1-9]\|[1-9][0-9]{1,3}\|10000` | _47μs_ |
+| `toRegexRange('1, 100000')` | `[1-9]\|[1-9][0-9]{1,4}\|100000` | _44μs_ |
+| `toRegexRange('1, 1000000')` | `[1-9]\|[1-9][0-9]{1,5}\|1000000` | _49μs_ |
+| `toRegexRange('1, 10000000')` | `[1-9]\|[1-9][0-9]{1,6}\|10000000` | _63μs_ |
+
+## Heads up!
+
+**Order of arguments**
+
+When the `min` is larger than the `max`, values will be flipped to create a valid range:
+
+```js
+toRegexRange('51', '29');
+```
+
+Is effectively flipped to:
+
+```js
+toRegexRange('29', '51');
+//=> 29|[3-4][0-9]|5[0-1]
+```
+
+**Steps / increments**
+
+This library does not support steps (increments). A pr to add support would be welcome.
+
+## History
+
+### v2.0.0 - 2017-04-21
+
+**New features**
+
+Adds support for zero-padding!
+
+### v1.0.0
+
+**Optimizations**
+
+Repeating ranges are now grouped using quantifiers. rocessing time is roughly the same, but the generated regex is much smaller, which should result in faster matching.
+
+## Attribution
+
+Inspired by the python library [range-regex](https://github.com/dimka665/range-regex).
+
+## About
+
+### Related projects
+
+* [expand-range](https://www.npmjs.com/package/expand-range): Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. See… [more](https://github.com/jonschlinkert/expand-range) | [homepage](https://github.com/jonschlinkert/expand-range "Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. See the benchmarks. Used by micromatch.")
+* [fill-range](https://www.npmjs.com/package/fill-range): Fill in a range of numbers or letters, optionally passing an increment or `step` to… [more](https://github.com/jonschlinkert/fill-range) | [homepage](https://github.com/jonschlinkert/fill-range "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`")
+* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
+* [repeat-element](https://www.npmjs.com/package/repeat-element): Create an array by repeating the given value n times. | [homepage](https://github.com/jonschlinkert/repeat-element "Create an array by repeating the given value n times.")
+* [repeat-string](https://www.npmjs.com/package/repeat-string): Repeat the given string n times. Fastest implementation for repeating a string. | [homepage](https://github.com/jonschlinkert/repeat-string "Repeat the given string n times. Fastest implementation for repeating a string.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on April 27, 2017._
\ No newline at end of file
diff --git a/node_modules/to-regex-range/index.js b/node_modules/to-regex-range/index.js
new file mode 100644
index 00000000..7bb5a743
--- /dev/null
+++ b/node_modules/to-regex-range/index.js
@@ -0,0 +1,294 @@
+/*!
+ * to-regex-range <https://github.com/jonschlinkert/to-regex-range>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var repeat = require('repeat-string');
+var isNumber = require('is-number');
+var cache = {};
+
+function toRegexRange(min, max, options) {
+  if (isNumber(min) === false) {
+    throw new RangeError('toRegexRange: first argument is invalid.');
+  }
+
+  if (typeof max === 'undefined' || min === max) {
+    return String(min);
+  }
+
+  if (isNumber(max) === false) {
+    throw new RangeError('toRegexRange: second argument is invalid.');
+  }
+
+  options = options || {};
+  var relax = String(options.relaxZeros);
+  var shorthand = String(options.shorthand);
+  var capture = String(options.capture);
+  var key = min + ':' + max + '=' + relax + shorthand + capture;
+  if (cache.hasOwnProperty(key)) {
+    return cache[key].result;
+  }
+
+  var a = Math.min(min, max);
+  var b = Math.max(min, max);
+
+  if (Math.abs(a - b) === 1) {
+    var result = min + '|' + max;
+    if (options.capture) {
+      return '(' + result + ')';
+    }
+    return result;
+  }
+
+  var isPadded = padding(min) || padding(max);
+  var positives = [];
+  var negatives = [];
+
+  var tok = {min: min, max: max, a: a, b: b};
+  if (isPadded) {
+    tok.isPadded = isPadded;
+    tok.maxLen = String(tok.max).length;
+  }
+
+  if (a < 0) {
+    var newMin = b < 0 ? Math.abs(b) : 1;
+    var newMax = Math.abs(a);
+    negatives = splitToPatterns(newMin, newMax, tok, options);
+    a = tok.a = 0;
+  }
+
+  if (b >= 0) {
+    positives = splitToPatterns(a, b, tok, options);
+  }
+
+  tok.negatives = negatives;
+  tok.positives = positives;
+  tok.result = siftPatterns(negatives, positives, options);
+
+  if (options.capture && (positives.length + negatives.length) > 1) {
+    tok.result = '(' + tok.result + ')';
+  }
+
+  cache[key] = tok;
+  return tok.result;
+}
+
+function siftPatterns(neg, pos, options) {
+  var onlyNegative = filterPatterns(neg, pos, '-', false, options) || [];
+  var onlyPositive = filterPatterns(pos, neg, '', false, options) || [];
+  var intersected = filterPatterns(neg, pos, '-?', true, options) || [];
+  var subpatterns = onlyNegative.concat(intersected).concat(onlyPositive);
+  return subpatterns.join('|');
+}
+
+function splitToRanges(min, max) {
+  min = Number(min);
+  max = Number(max);
+
+  var nines = 1;
+  var stops = [max];
+  var stop = +countNines(min, nines);
+
+  while (min <= stop && stop <= max) {
+    stops = push(stops, stop);
+    nines += 1;
+    stop = +countNines(min, nines);
+  }
+
+  var zeros = 1;
+  stop = countZeros(max + 1, zeros) - 1;
+
+  while (min < stop && stop <= max) {
+    stops = push(stops, stop);
+    zeros += 1;
+    stop = countZeros(max + 1, zeros) - 1;
+  }
+
+  stops.sort(compare);
+  return stops;
+}
+
+/**
+ * Convert a range to a regex pattern
+ * @param {Number} `start`
+ * @param {Number} `stop`
+ * @return {String}
+ */
+
+function rangeToPattern(start, stop, options) {
+  if (start === stop) {
+    return {pattern: String(start), digits: []};
+  }
+
+  var zipped = zip(String(start), String(stop));
+  var len = zipped.length, i = -1;
+
+  var pattern = '';
+  var digits = 0;
+
+  while (++i < len) {
+    var numbers = zipped[i];
+    var startDigit = numbers[0];
+    var stopDigit = numbers[1];
+
+    if (startDigit === stopDigit) {
+      pattern += startDigit;
+
+    } else if (startDigit !== '0' || stopDigit !== '9') {
+      pattern += toCharacterClass(startDigit, stopDigit);
+
+    } else {
+      digits += 1;
+    }
+  }
+
+  if (digits) {
+    pattern += options.shorthand ? '\\d' : '[0-9]';
+  }
+
+  return { pattern: pattern, digits: [digits] };
+}
+
+function splitToPatterns(min, max, tok, options) {
+  var ranges = splitToRanges(min, max);
+  var len = ranges.length;
+  var idx = -1;
+
+  var tokens = [];
+  var start = min;
+  var prev;
+
+  while (++idx < len) {
+    var range = ranges[idx];
+    var obj = rangeToPattern(start, range, options);
+    var zeros = '';
+
+    if (!tok.isPadded && prev && prev.pattern === obj.pattern) {
+      if (prev.digits.length > 1) {
+        prev.digits.pop();
+      }
+      prev.digits.push(obj.digits[0]);
+      prev.string = prev.pattern + toQuantifier(prev.digits);
+      start = range + 1;
+      continue;
+    }
+
+    if (tok.isPadded) {
+      zeros = padZeros(range, tok);
+    }
+
+    obj.string = zeros + obj.pattern + toQuantifier(obj.digits);
+    tokens.push(obj);
+    start = range + 1;
+    prev = obj;
+  }
+
+  return tokens;
+}
+
+function filterPatterns(arr, comparison, prefix, intersection, options) {
+  var res = [];
+
+  for (var i = 0; i < arr.length; i++) {
+    var tok = arr[i];
+    var ele = tok.string;
+
+    if (options.relaxZeros !== false) {
+      if (prefix === '-' && ele.charAt(0) === '0') {
+        if (ele.charAt(1) === '{') {
+          ele = '0*' + ele.replace(/^0\{\d+\}/, '');
+        } else {
+          ele = '0*' + ele.slice(1);
+        }
+      }
+    }
+
+    if (!intersection && !contains(comparison, 'string', ele)) {
+      res.push(prefix + ele);
+    }
+
+    if (intersection && contains(comparison, 'string', ele)) {
+      res.push(prefix + ele);
+    }
+  }
+  return res;
+}
+
+/**
+ * Zip strings (`for in` can be used on string characters)
+ */
+
+function zip(a, b) {
+  var arr = [];
+  for (var ch in a) arr.push([a[ch], b[ch]]);
+  return arr;
+}
+
+function compare(a, b) {
+  return a > b ? 1 : b > a ? -1 : 0;
+}
+
+function push(arr, ele) {
+  if (arr.indexOf(ele) === -1) arr.push(ele);
+  return arr;
+}
+
+function contains(arr, key, val) {
+  for (var i = 0; i < arr.length; i++) {
+    if (arr[i][key] === val) {
+      return true;
+    }
+  }
+  return false;
+}
+
+function countNines(min, len) {
+  return String(min).slice(0, -len) + repeat('9', len);
+}
+
+function countZeros(integer, zeros) {
+  return integer - (integer % Math.pow(10, zeros));
+}
+
+function toQuantifier(digits) {
+  var start = digits[0];
+  var stop = digits[1] ? (',' + digits[1]) : '';
+  if (!stop && (!start || start === 1)) {
+    return '';
+  }
+  return '{' + start + stop + '}';
+}
+
+function toCharacterClass(a, b) {
+  return '[' + a + ((b - a === 1) ? '' : '-') + b + ']';
+}
+
+function padding(str) {
+  return /^-?(0+)\d/.exec(str);
+}
+
+function padZeros(val, tok) {
+  if (tok.isPadded) {
+    var diff = Math.abs(tok.maxLen - String(val).length);
+    switch (diff) {
+      case 0:
+        return '';
+      case 1:
+        return '0';
+      default: {
+        return '0{' + diff + '}';
+      }
+    }
+  }
+  return val;
+}
+
+/**
+ * Expose `toRegexRange`
+ */
+
+module.exports = toRegexRange;
diff --git a/node_modules/to-regex-range/package.json b/node_modules/to-regex-range/package.json
new file mode 100644
index 00000000..6c8e6b1c
--- /dev/null
+++ b/node_modules/to-regex-range/package.json
@@ -0,0 +1,86 @@
+{
+  "name": "to-regex-range",
+  "description": "Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.",
+  "version": "2.1.1",
+  "homepage": "https://github.com/micromatch/to-regex-range",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "micromatch/to-regex-range",
+  "bugs": {
+    "url": "https://github.com/micromatch/to-regex-range/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-number": "^3.0.0",
+    "repeat-string": "^1.6.1"
+  },
+  "devDependencies": {
+    "fill-range": "^3.1.1",
+    "gulp-format-md": "^0.1.12",
+    "mocha": "^3.2.0",
+    "text-table": "^0.2.0",
+    "time-diff": "^0.3.1"
+  },
+  "keywords": [
+    "alpha",
+    "alphabetical",
+    "bash",
+    "brace",
+    "date",
+    "expand",
+    "expansion",
+    "glob",
+    "match",
+    "matches",
+    "matching",
+    "number",
+    "numerical",
+    "range",
+    "ranges",
+    "regex",
+    "sequence",
+    "sh",
+    "to",
+    "year"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "expand-range",
+        "fill-range",
+        "micromatch",
+        "repeat-element",
+        "repeat-string"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "helpers": [
+      "./examples.js"
+    ],
+    "reflinks": [
+      "0-5",
+      "0-9",
+      "1-5",
+      "1-9"
+    ]
+  }
+}
diff --git a/node_modules/to-regex/LICENSE b/node_modules/to-regex/LICENSE
new file mode 100644
index 00000000..7c9987bc
--- /dev/null
+++ b/node_modules/to-regex/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-2018, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/to-regex/README.md b/node_modules/to-regex/README.md
new file mode 100644
index 00000000..5a28fc33
--- /dev/null
+++ b/node_modules/to-regex/README.md
@@ -0,0 +1,205 @@
+# to-regex [![NPM version](https://img.shields.io/npm/v/to-regex.svg?style=flat)](https://www.npmjs.com/package/to-regex) [![NPM monthly downloads](https://img.shields.io/npm/dm/to-regex.svg?style=flat)](https://npmjs.org/package/to-regex) [![NPM total downloads](https://img.shields.io/npm/dt/to-regex.svg?style=flat)](https://npmjs.org/package/to-regex) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/to-regex.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/to-regex)
+
+> Generate a regex from a string or array of strings.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+- [Install](#install)
+- [Usage](#usage)
+- [Options](#options)
+  * [options.contains](#optionscontains)
+  * [options.negate](#optionsnegate)
+  * [options.nocase](#optionsnocase)
+  * [options.flags](#optionsflags)
+  * [options.cache](#optionscache)
+  * [options.safe](#optionssafe)
+- [About](#about)
+  * [Related projects](#related-projects)
+  * [Author](#author)
+  * [License](#license)
+
+_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save to-regex
+```
+
+## Usage
+
+```js
+var toRegex = require('to-regex');
+
+console.log(toRegex('foo'));
+//=> /^(?:foo)$/
+
+console.log(toRegex('foo', {negate: true}));
+//=> /^(?:(?:(?!^(?:foo)$).)*)$/
+
+console.log(toRegex('foo', {contains: true}));
+//=> /(?:foo)/
+
+console.log(toRegex(['foo', 'bar'], {negate: true}));
+//=> /^(?:(?:(?!^(?:(?:foo)|(?:bar))$).)*)$/
+
+console.log(toRegex(['foo', 'bar'], {negate: true, contains: true}));
+//=> /^(?:(?:(?!(?:(?:foo)|(?:bar))).)*)$/
+```
+
+## Options
+
+### options.contains
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+Generate a regex that will match any string that _contains_ the given pattern. By default, regex is strict will only return true for exact matches.
+
+```js
+var toRegex = require('to-regex');
+console.log(toRegex('foo', {contains: true}));
+//=> /(?:foo)/
+```
+
+### options.negate
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+Create a regex that will match everything except the given pattern.
+
+```js
+var toRegex = require('to-regex');
+console.log(toRegex('foo', {negate: true}));
+//=> /^(?:(?:(?!^(?:foo)$).)*)$/
+```
+
+### options.nocase
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+Adds the `i` flag, to enable case-insensitive matching.
+
+```js
+var toRegex = require('to-regex');
+console.log(toRegex('foo', {nocase: true}));
+//=> /^(?:foo)$/i
+```
+
+Alternatively you can pass the flags you want directly on [options.flags](#options.flags).
+
+### options.flags
+
+**Type**: `String`
+
+**Default**: `undefined`
+
+Define the flags you want to use on the generated regex.
+
+```js
+var toRegex = require('to-regex');
+console.log(toRegex('foo', {flags: 'gm'}));
+//=> /^(?:foo)$/gm
+console.log(toRegex('foo', {flags: 'gmi', nocase: true})); //<= handles redundancy
+//=> /^(?:foo)$/gmi
+```
+
+### options.cache
+
+**Type**: `Boolean`
+
+**Default**: `true`
+
+Generated regex is cached based on the provided string and options. As a result, runtime compilation only happens once per pattern (as long as options are also the same), which can result in dramatic speed improvements.
+
+This also helps with debugging, since adding options and pattern are added to the generated regex.
+
+**Disable caching**
+
+```js
+toRegex('foo', {cache: false});
+```
+
+### options.safe
+
+**Type**: `Boolean`
+
+**Default**: `undefined`
+
+Check the generated regular expression with [safe-regex](https://github.com/substack/safe-regex) and throw an error if the regex is potentially unsafe.
+
+**Examples**
+
+```js
+console.log(toRegex('(x+x+)+y'));
+//=> /^(?:(x+x+)+y)$/
+
+// The following would throw an error
+toRegex('(x+x+)+y', {safe: true});
+```
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [has-glob](https://www.npmjs.com/package/has-glob): Returns `true` if an array has a glob pattern. | [homepage](https://github.com/jonschlinkert/has-glob "Returns `true` if an array has a glob pattern.")
+* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
+* [path-regex](https://www.npmjs.com/package/path-regex): Regular expression for matching the parts of a file path. | [homepage](https://github.com/regexps/path-regex "Regular expression for matching the parts of a file path.")
+* [to-regex-range](https://www.npmjs.com/package/to-regex-range): Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than… [more](https://github.com/micromatch/to-regex-range) | [homepage](https://github.com/micromatch/to-regex-range "Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.")
+
+### Author
+
+**Jon Schlinkert**
+
+* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 24, 2018._
\ No newline at end of file
diff --git a/node_modules/to-regex/index.js b/node_modules/to-regex/index.js
new file mode 100644
index 00000000..a87d0159
--- /dev/null
+++ b/node_modules/to-regex/index.js
@@ -0,0 +1,155 @@
+'use strict';
+
+var safe = require('safe-regex');
+var define = require('define-property');
+var extend = require('extend-shallow');
+var not = require('regex-not');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * Session cache
+ */
+
+var cache = {};
+
+/**
+ * Create a regular expression from the given `pattern` string.
+ *
+ * @param {String|RegExp} `pattern` Pattern can be a string or regular expression.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+module.exports = function(patterns, options) {
+  if (!Array.isArray(patterns)) {
+    return makeRe(patterns, options);
+  }
+  return makeRe(patterns.join('|'), options);
+};
+
+/**
+ * Create a regular expression from the given `pattern` string.
+ *
+ * @param {String|RegExp} `pattern` Pattern can be a string or regular expression.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+function makeRe(pattern, options) {
+  if (pattern instanceof RegExp) {
+    return pattern;
+  }
+
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (pattern.length > MAX_LENGTH) {
+    throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
+  }
+
+  var key = pattern;
+  // do this before shallow cloning options, it's a lot faster
+  if (!options || (options && options.cache !== false)) {
+    key = createKey(pattern, options);
+
+    if (cache.hasOwnProperty(key)) {
+      return cache[key];
+    }
+  }
+
+  var opts = extend({}, options);
+  if (opts.contains === true) {
+    if (opts.negate === true) {
+      opts.strictNegate = false;
+    } else {
+      opts.strict = false;
+    }
+  }
+
+  if (opts.strict === false) {
+    opts.strictOpen = false;
+    opts.strictClose = false;
+  }
+
+  var open = opts.strictOpen !== false ? '^' : '';
+  var close = opts.strictClose !== false ? '$' : '';
+  var flags = opts.flags || '';
+  var regex;
+
+  if (opts.nocase === true && !/i/.test(flags)) {
+    flags += 'i';
+  }
+
+  try {
+    if (opts.negate || typeof opts.strictNegate === 'boolean') {
+      pattern = not.create(pattern, opts);
+    }
+
+    var str = open + '(?:' + pattern + ')' + close;
+    regex = new RegExp(str, flags);
+
+    if (opts.safe === true && safe(regex) === false) {
+      throw new Error('potentially unsafe regular expression: ' + regex.source);
+    }
+
+  } catch (err) {
+    if (opts.strictErrors === true || opts.safe === true) {
+      err.key = key;
+      err.pattern = pattern;
+      err.originalOptions = options;
+      err.createdOptions = opts;
+      throw err;
+    }
+
+    try {
+      regex = new RegExp('^' + pattern.replace(/(\W)/g, '\\$1') + '$');
+    } catch (err) {
+      regex = /.^/; //<= match nothing
+    }
+  }
+
+  if (opts.cache !== false) {
+    memoize(regex, key, pattern, opts);
+  }
+  return regex;
+}
+
+/**
+ * Memoize generated regex. This can result in dramatic speed improvements
+ * and simplify debugging by adding options and pattern to the regex. It can be
+ * disabled by passing setting `options.cache` to false.
+ */
+
+function memoize(regex, key, pattern, options) {
+  define(regex, 'cached', true);
+  define(regex, 'pattern', pattern);
+  define(regex, 'options', options);
+  define(regex, 'key', key);
+  cache[key] = regex;
+}
+
+/**
+ * Create the key to use for memoization. The key is generated
+ * by iterating over the options and concatenating key-value pairs
+ * to the pattern string.
+ */
+
+function createKey(pattern, options) {
+  if (!options) return pattern;
+  var key = pattern;
+  for (var prop in options) {
+    if (options.hasOwnProperty(prop)) {
+      key += ';' + prop + '=' + String(options[prop]);
+    }
+  }
+  return key;
+}
+
+/**
+ * Expose `makeRe`
+ */
+
+module.exports.makeRe = makeRe;
diff --git a/node_modules/to-regex/package.json b/node_modules/to-regex/package.json
new file mode 100644
index 00000000..e4277d31
--- /dev/null
+++ b/node_modules/to-regex/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "to-regex",
+  "description": "Generate a regex from a string or array of strings.",
+  "version": "3.0.2",
+  "homepage": "https://github.com/jonschlinkert/to-regex",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/to-regex",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/to-regex/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "define-property": "^2.0.2",
+    "extend-shallow": "^3.0.2",
+    "regex-not": "^1.0.2",
+    "safe-regex": "^1.1.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^1.0.0",
+    "mocha": "^3.5.3"
+  },
+  "keywords": [
+    "match",
+    "regex",
+    "regular expression",
+    "test",
+    "to"
+  ],
+  "verb": {
+    "toc": {
+      "method": "preWrite"
+    },
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "has-glob",
+        "is-glob",
+        "path-regex",
+        "to-regex-range"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/tty-browserify/LICENSE b/node_modules/tty-browserify/LICENSE
new file mode 100644
index 00000000..ee27ba4b
--- /dev/null
+++ b/node_modules/tty-browserify/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/tty-browserify/index.js b/node_modules/tty-browserify/index.js
new file mode 100644
index 00000000..2b5f04c1
--- /dev/null
+++ b/node_modules/tty-browserify/index.js
@@ -0,0 +1,11 @@
+exports.isatty = function () { return false; };
+
+function ReadStream() {
+  throw new Error('tty.ReadStream is not implemented');
+}
+exports.ReadStream = ReadStream;
+
+function WriteStream() {
+  throw new Error('tty.ReadStream is not implemented');
+}
+exports.WriteStream = WriteStream;
diff --git a/node_modules/tty-browserify/package.json b/node_modules/tty-browserify/package.json
new file mode 100644
index 00000000..c5d50e0d
--- /dev/null
+++ b/node_modules/tty-browserify/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "tty-browserify",
+  "version": "0.0.0",
+  "description": "the tty module from node core for browsers",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "~1.0.4"
+  },
+  "scripts": {
+    "test": "tape test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/tty-browserify.git"
+  },
+  "homepage": "https://github.com/substack/tty-browserify",
+  "keywords": [
+    "tty",
+    "browser",
+    "browserify"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/tty-browserify/readme.markdown b/node_modules/tty-browserify/readme.markdown
new file mode 100644
index 00000000..91a2051a
--- /dev/null
+++ b/node_modules/tty-browserify/readme.markdown
@@ -0,0 +1 @@
+# tty-browserify
diff --git a/node_modules/typedarray/.travis.yml b/node_modules/typedarray/.travis.yml
new file mode 100644
index 00000000..cc4dba29
--- /dev/null
+++ b/node_modules/typedarray/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"
diff --git a/node_modules/typedarray/LICENSE b/node_modules/typedarray/LICENSE
new file mode 100644
index 00000000..11adfaec
--- /dev/null
+++ b/node_modules/typedarray/LICENSE
@@ -0,0 +1,35 @@
+/*
+ Copyright (c) 2010, Linden Research, Inc.
+ Copyright (c) 2012, Joshua Bell
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ $/LicenseInfo$
+ */
+
+// Original can be found at:
+//   https://bitbucket.org/lindenlab/llsd
+// Modifications by Joshua Bell inexorabletash@gmail.com
+//   https://github.com/inexorabletash/polyfill
+
+// ES3/ES5 implementation of the Krhonos Typed Array Specification
+//   Ref: http://www.khronos.org/registry/typedarray/specs/latest/
+//   Date: 2011-02-01
+//
+// Variations:
+//  * Allows typed_array.get/set() as alias for subscripts (typed_array[])
diff --git a/node_modules/typedarray/example/tarray.js b/node_modules/typedarray/example/tarray.js
new file mode 100644
index 00000000..8423d7c9
--- /dev/null
+++ b/node_modules/typedarray/example/tarray.js
@@ -0,0 +1,4 @@
+var Uint8Array = require('../').Uint8Array;
+var ua = new Uint8Array(5);
+ua[1] = 256 + 55;
+console.log(ua[1]);
diff --git a/node_modules/typedarray/index.js b/node_modules/typedarray/index.js
new file mode 100644
index 00000000..5e540841
--- /dev/null
+++ b/node_modules/typedarray/index.js
@@ -0,0 +1,630 @@
+var undefined = (void 0); // Paranoia
+
+// Beyond this value, index getters/setters (i.e. array[0], array[1]) are so slow to
+// create, and consume so much memory, that the browser appears frozen.
+var MAX_ARRAY_LENGTH = 1e5;
+
+// Approximations of internal ECMAScript conversion functions
+var ECMAScript = (function() {
+  // Stash a copy in case other scripts modify these
+  var opts = Object.prototype.toString,
+      ophop = Object.prototype.hasOwnProperty;
+
+  return {
+    // Class returns internal [[Class]] property, used to avoid cross-frame instanceof issues:
+    Class: function(v) { return opts.call(v).replace(/^\[object *|\]$/g, ''); },
+    HasProperty: function(o, p) { return p in o; },
+    HasOwnProperty: function(o, p) { return ophop.call(o, p); },
+    IsCallable: function(o) { return typeof o === 'function'; },
+    ToInt32: function(v) { return v >> 0; },
+    ToUint32: function(v) { return v >>> 0; }
+  };
+}());
+
+// Snapshot intrinsics
+var LN2 = Math.LN2,
+    abs = Math.abs,
+    floor = Math.floor,
+    log = Math.log,
+    min = Math.min,
+    pow = Math.pow,
+    round = Math.round;
+
+// ES5: lock down object properties
+function configureProperties(obj) {
+  if (getOwnPropNames && defineProp) {
+    var props = getOwnPropNames(obj), i;
+    for (i = 0; i < props.length; i += 1) {
+      defineProp(obj, props[i], {
+        value: obj[props[i]],
+        writable: false,
+        enumerable: false,
+        configurable: false
+      });
+    }
+  }
+}
+
+// emulate ES5 getter/setter API using legacy APIs
+// http://blogs.msdn.com/b/ie/archive/2010/09/07/transitioning-existing-code-to-the-es5-getter-setter-apis.aspx
+// (second clause tests for Object.defineProperty() in IE<9 that only supports extending DOM prototypes, but
+// note that IE<9 does not support __defineGetter__ or __defineSetter__ so it just renders the method harmless)
+var defineProp
+if (Object.defineProperty && (function() {
+      try {
+        Object.defineProperty({}, 'x', {});
+        return true;
+      } catch (e) {
+        return false;
+      }
+    })()) {
+  defineProp = Object.defineProperty;
+} else {
+  defineProp = function(o, p, desc) {
+    if (!o === Object(o)) throw new TypeError("Object.defineProperty called on non-object");
+    if (ECMAScript.HasProperty(desc, 'get') && Object.prototype.__defineGetter__) { Object.prototype.__defineGetter__.call(o, p, desc.get); }
+    if (ECMAScript.HasProperty(desc, 'set') && Object.prototype.__defineSetter__) { Object.prototype.__defineSetter__.call(o, p, desc.set); }
+    if (ECMAScript.HasProperty(desc, 'value')) { o[p] = desc.value; }
+    return o;
+  };
+}
+
+var getOwnPropNames = Object.getOwnPropertyNames || function (o) {
+  if (o !== Object(o)) throw new TypeError("Object.getOwnPropertyNames called on non-object");
+  var props = [], p;
+  for (p in o) {
+    if (ECMAScript.HasOwnProperty(o, p)) {
+      props.push(p);
+    }
+  }
+  return props;
+};
+
+// ES5: Make obj[index] an alias for obj._getter(index)/obj._setter(index, value)
+// for index in 0 ... obj.length
+function makeArrayAccessors(obj) {
+  if (!defineProp) { return; }
+
+  if (obj.length > MAX_ARRAY_LENGTH) throw new RangeError("Array too large for polyfill");
+
+  function makeArrayAccessor(index) {
+    defineProp(obj, index, {
+      'get': function() { return obj._getter(index); },
+      'set': function(v) { obj._setter(index, v); },
+      enumerable: true,
+      configurable: false
+    });
+  }
+
+  var i;
+  for (i = 0; i < obj.length; i += 1) {
+    makeArrayAccessor(i);
+  }
+}
+
+// Internal conversion functions:
+//    pack<Type>()   - take a number (interpreted as Type), output a byte array
+//    unpack<Type>() - take a byte array, output a Type-like number
+
+function as_signed(value, bits) { var s = 32 - bits; return (value << s) >> s; }
+function as_unsigned(value, bits) { var s = 32 - bits; return (value << s) >>> s; }
+
+function packI8(n) { return [n & 0xff]; }
+function unpackI8(bytes) { return as_signed(bytes[0], 8); }
+
+function packU8(n) { return [n & 0xff]; }
+function unpackU8(bytes) { return as_unsigned(bytes[0], 8); }
+
+function packU8Clamped(n) { n = round(Number(n)); return [n < 0 ? 0 : n > 0xff ? 0xff : n & 0xff]; }
+
+function packI16(n) { return [(n >> 8) & 0xff, n & 0xff]; }
+function unpackI16(bytes) { return as_signed(bytes[0] << 8 | bytes[1], 16); }
+
+function packU16(n) { return [(n >> 8) & 0xff, n & 0xff]; }
+function unpackU16(bytes) { return as_unsigned(bytes[0] << 8 | bytes[1], 16); }
+
+function packI32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; }
+function unpackI32(bytes) { return as_signed(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); }
+
+function packU32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; }
+function unpackU32(bytes) { return as_unsigned(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); }
+
+function packIEEE754(v, ebits, fbits) {
+
+  var bias = (1 << (ebits - 1)) - 1,
+      s, e, f, ln,
+      i, bits, str, bytes;
+
+  function roundToEven(n) {
+    var w = floor(n), f = n - w;
+    if (f < 0.5)
+      return w;
+    if (f > 0.5)
+      return w + 1;
+    return w % 2 ? w + 1 : w;
+  }
+
+  // Compute sign, exponent, fraction
+  if (v !== v) {
+    // NaN
+    // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping
+    e = (1 << ebits) - 1; f = pow(2, fbits - 1); s = 0;
+  } else if (v === Infinity || v === -Infinity) {
+    e = (1 << ebits) - 1; f = 0; s = (v < 0) ? 1 : 0;
+  } else if (v === 0) {
+    e = 0; f = 0; s = (1 / v === -Infinity) ? 1 : 0;
+  } else {
+    s = v < 0;
+    v = abs(v);
+
+    if (v >= pow(2, 1 - bias)) {
+      e = min(floor(log(v) / LN2), 1023);
+      f = roundToEven(v / pow(2, e) * pow(2, fbits));
+      if (f / pow(2, fbits) >= 2) {
+        e = e + 1;
+        f = 1;
+      }
+      if (e > bias) {
+        // Overflow
+        e = (1 << ebits) - 1;
+        f = 0;
+      } else {
+        // Normalized
+        e = e + bias;
+        f = f - pow(2, fbits);
+      }
+    } else {
+      // Denormalized
+      e = 0;
+      f = roundToEven(v / pow(2, 1 - bias - fbits));
+    }
+  }
+
+  // Pack sign, exponent, fraction
+  bits = [];
+  for (i = fbits; i; i -= 1) { bits.push(f % 2 ? 1 : 0); f = floor(f / 2); }
+  for (i = ebits; i; i -= 1) { bits.push(e % 2 ? 1 : 0); e = floor(e / 2); }
+  bits.push(s ? 1 : 0);
+  bits.reverse();
+  str = bits.join('');
+
+  // Bits to bytes
+  bytes = [];
+  while (str.length) {
+    bytes.push(parseInt(str.substring(0, 8), 2));
+    str = str.substring(8);
+  }
+  return bytes;
+}
+
+function unpackIEEE754(bytes, ebits, fbits) {
+
+  // Bytes to bits
+  var bits = [], i, j, b, str,
+      bias, s, e, f;
+
+  for (i = bytes.length; i; i -= 1) {
+    b = bytes[i - 1];
+    for (j = 8; j; j -= 1) {
+      bits.push(b % 2 ? 1 : 0); b = b >> 1;
+    }
+  }
+  bits.reverse();
+  str = bits.join('');
+
+  // Unpack sign, exponent, fraction
+  bias = (1 << (ebits - 1)) - 1;
+  s = parseInt(str.substring(0, 1), 2) ? -1 : 1;
+  e = parseInt(str.substring(1, 1 + ebits), 2);
+  f = parseInt(str.substring(1 + ebits), 2);
+
+  // Produce number
+  if (e === (1 << ebits) - 1) {
+    return f !== 0 ? NaN : s * Infinity;
+  } else if (e > 0) {
+    // Normalized
+    return s * pow(2, e - bias) * (1 + f / pow(2, fbits));
+  } else if (f !== 0) {
+    // Denormalized
+    return s * pow(2, -(bias - 1)) * (f / pow(2, fbits));
+  } else {
+    return s < 0 ? -0 : 0;
+  }
+}
+
+function unpackF64(b) { return unpackIEEE754(b, 11, 52); }
+function packF64(v) { return packIEEE754(v, 11, 52); }
+function unpackF32(b) { return unpackIEEE754(b, 8, 23); }
+function packF32(v) { return packIEEE754(v, 8, 23); }
+
+
+//
+// 3 The ArrayBuffer Type
+//
+
+(function() {
+
+  /** @constructor */
+  var ArrayBuffer = function ArrayBuffer(length) {
+    length = ECMAScript.ToInt32(length);
+    if (length < 0) throw new RangeError('ArrayBuffer size is not a small enough positive integer');
+
+    this.byteLength = length;
+    this._bytes = [];
+    this._bytes.length = length;
+
+    var i;
+    for (i = 0; i < this.byteLength; i += 1) {
+      this._bytes[i] = 0;
+    }
+
+    configureProperties(this);
+  };
+
+  exports.ArrayBuffer = exports.ArrayBuffer || ArrayBuffer;
+
+  //
+  // 4 The ArrayBufferView Type
+  //
+
+  // NOTE: this constructor is not exported
+  /** @constructor */
+  var ArrayBufferView = function ArrayBufferView() {
+    //this.buffer = null;
+    //this.byteOffset = 0;
+    //this.byteLength = 0;
+  };
+
+  //
+  // 5 The Typed Array View Types
+  //
+
+  function makeConstructor(bytesPerElement, pack, unpack) {
+    // Each TypedArray type requires a distinct constructor instance with
+    // identical logic, which this produces.
+
+    var ctor;
+    ctor = function(buffer, byteOffset, length) {
+      var array, sequence, i, s;
+
+      if (!arguments.length || typeof arguments[0] === 'number') {
+        // Constructor(unsigned long length)
+        this.length = ECMAScript.ToInt32(arguments[0]);
+        if (length < 0) throw new RangeError('ArrayBufferView size is not a small enough positive integer');
+
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+      } else if (typeof arguments[0] === 'object' && arguments[0].constructor === ctor) {
+        // Constructor(TypedArray array)
+        array = arguments[0];
+
+        this.length = array.length;
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+
+        for (i = 0; i < this.length; i += 1) {
+          this._setter(i, array._getter(i));
+        }
+      } else if (typeof arguments[0] === 'object' &&
+                 !(arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) {
+        // Constructor(sequence<type> array)
+        sequence = arguments[0];
+
+        this.length = ECMAScript.ToUint32(sequence.length);
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+
+        for (i = 0; i < this.length; i += 1) {
+          s = sequence[i];
+          this._setter(i, Number(s));
+        }
+      } else if (typeof arguments[0] === 'object' &&
+                 (arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) {
+        // Constructor(ArrayBuffer buffer,
+        //             optional unsigned long byteOffset, optional unsigned long length)
+        this.buffer = buffer;
+
+        this.byteOffset = ECMAScript.ToUint32(byteOffset);
+        if (this.byteOffset > this.buffer.byteLength) {
+          throw new RangeError("byteOffset out of range");
+        }
+
+        if (this.byteOffset % this.BYTES_PER_ELEMENT) {
+          // The given byteOffset must be a multiple of the element
+          // size of the specific type, otherwise an exception is raised.
+          throw new RangeError("ArrayBuffer length minus the byteOffset is not a multiple of the element size.");
+        }
+
+        if (arguments.length < 3) {
+          this.byteLength = this.buffer.byteLength - this.byteOffset;
+
+          if (this.byteLength % this.BYTES_PER_ELEMENT) {
+            throw new RangeError("length of buffer minus byteOffset not a multiple of the element size");
+          }
+          this.length = this.byteLength / this.BYTES_PER_ELEMENT;
+        } else {
+          this.length = ECMAScript.ToUint32(length);
+          this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        }
+
+        if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) {
+          throw new RangeError("byteOffset and length reference an area beyond the end of the buffer");
+        }
+      } else {
+        throw new TypeError("Unexpected argument type(s)");
+      }
+
+      this.constructor = ctor;
+
+      configureProperties(this);
+      makeArrayAccessors(this);
+    };
+
+    ctor.prototype = new ArrayBufferView();
+    ctor.prototype.BYTES_PER_ELEMENT = bytesPerElement;
+    ctor.prototype._pack = pack;
+    ctor.prototype._unpack = unpack;
+    ctor.BYTES_PER_ELEMENT = bytesPerElement;
+
+    // getter type (unsigned long index);
+    ctor.prototype._getter = function(index) {
+      if (arguments.length < 1) throw new SyntaxError("Not enough arguments");
+
+      index = ECMAScript.ToUint32(index);
+      if (index >= this.length) {
+        return undefined;
+      }
+
+      var bytes = [], i, o;
+      for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT;
+           i < this.BYTES_PER_ELEMENT;
+           i += 1, o += 1) {
+        bytes.push(this.buffer._bytes[o]);
+      }
+      return this._unpack(bytes);
+    };
+
+    // NONSTANDARD: convenience alias for getter: type get(unsigned long index);
+    ctor.prototype.get = ctor.prototype._getter;
+
+    // setter void (unsigned long index, type value);
+    ctor.prototype._setter = function(index, value) {
+      if (arguments.length < 2) throw new SyntaxError("Not enough arguments");
+
+      index = ECMAScript.ToUint32(index);
+      if (index >= this.length) {
+        return undefined;
+      }
+
+      var bytes = this._pack(value), i, o;
+      for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT;
+           i < this.BYTES_PER_ELEMENT;
+           i += 1, o += 1) {
+        this.buffer._bytes[o] = bytes[i];
+      }
+    };
+
+    // void set(TypedArray array, optional unsigned long offset);
+    // void set(sequence<type> array, optional unsigned long offset);
+    ctor.prototype.set = function(index, value) {
+      if (arguments.length < 1) throw new SyntaxError("Not enough arguments");
+      var array, sequence, offset, len,
+          i, s, d,
+          byteOffset, byteLength, tmp;
+
+      if (typeof arguments[0] === 'object' && arguments[0].constructor === this.constructor) {
+        // void set(TypedArray array, optional unsigned long offset);
+        array = arguments[0];
+        offset = ECMAScript.ToUint32(arguments[1]);
+
+        if (offset + array.length > this.length) {
+          throw new RangeError("Offset plus length of array is out of range");
+        }
+
+        byteOffset = this.byteOffset + offset * this.BYTES_PER_ELEMENT;
+        byteLength = array.length * this.BYTES_PER_ELEMENT;
+
+        if (array.buffer === this.buffer) {
+          tmp = [];
+          for (i = 0, s = array.byteOffset; i < byteLength; i += 1, s += 1) {
+            tmp[i] = array.buffer._bytes[s];
+          }
+          for (i = 0, d = byteOffset; i < byteLength; i += 1, d += 1) {
+            this.buffer._bytes[d] = tmp[i];
+          }
+        } else {
+          for (i = 0, s = array.byteOffset, d = byteOffset;
+               i < byteLength; i += 1, s += 1, d += 1) {
+            this.buffer._bytes[d] = array.buffer._bytes[s];
+          }
+        }
+      } else if (typeof arguments[0] === 'object' && typeof arguments[0].length !== 'undefined') {
+        // void set(sequence<type> array, optional unsigned long offset);
+        sequence = arguments[0];
+        len = ECMAScript.ToUint32(sequence.length);
+        offset = ECMAScript.ToUint32(arguments[1]);
+
+        if (offset + len > this.length) {
+          throw new RangeError("Offset plus length of array is out of range");
+        }
+
+        for (i = 0; i < len; i += 1) {
+          s = sequence[i];
+          this._setter(offset + i, Number(s));
+        }
+      } else {
+        throw new TypeError("Unexpected argument type(s)");
+      }
+    };
+
+    // TypedArray subarray(long begin, optional long end);
+    ctor.prototype.subarray = function(start, end) {
+      function clamp(v, min, max) { return v < min ? min : v > max ? max : v; }
+
+      start = ECMAScript.ToInt32(start);
+      end = ECMAScript.ToInt32(end);
+
+      if (arguments.length < 1) { start = 0; }
+      if (arguments.length < 2) { end = this.length; }
+
+      if (start < 0) { start = this.length + start; }
+      if (end < 0) { end = this.length + end; }
+
+      start = clamp(start, 0, this.length);
+      end = clamp(end, 0, this.length);
+
+      var len = end - start;
+      if (len < 0) {
+        len = 0;
+      }
+
+      return new this.constructor(
+        this.buffer, this.byteOffset + start * this.BYTES_PER_ELEMENT, len);
+    };
+
+    return ctor;
+  }
+
+  var Int8Array = makeConstructor(1, packI8, unpackI8);
+  var Uint8Array = makeConstructor(1, packU8, unpackU8);
+  var Uint8ClampedArray = makeConstructor(1, packU8Clamped, unpackU8);
+  var Int16Array = makeConstructor(2, packI16, unpackI16);
+  var Uint16Array = makeConstructor(2, packU16, unpackU16);
+  var Int32Array = makeConstructor(4, packI32, unpackI32);
+  var Uint32Array = makeConstructor(4, packU32, unpackU32);
+  var Float32Array = makeConstructor(4, packF32, unpackF32);
+  var Float64Array = makeConstructor(8, packF64, unpackF64);
+
+  exports.Int8Array = exports.Int8Array || Int8Array;
+  exports.Uint8Array = exports.Uint8Array || Uint8Array;
+  exports.Uint8ClampedArray = exports.Uint8ClampedArray || Uint8ClampedArray;
+  exports.Int16Array = exports.Int16Array || Int16Array;
+  exports.Uint16Array = exports.Uint16Array || Uint16Array;
+  exports.Int32Array = exports.Int32Array || Int32Array;
+  exports.Uint32Array = exports.Uint32Array || Uint32Array;
+  exports.Float32Array = exports.Float32Array || Float32Array;
+  exports.Float64Array = exports.Float64Array || Float64Array;
+}());
+
+//
+// 6 The DataView View Type
+//
+
+(function() {
+  function r(array, index) {
+    return ECMAScript.IsCallable(array.get) ? array.get(index) : array[index];
+  }
+
+  var IS_BIG_ENDIAN = (function() {
+    var u16array = new(exports.Uint16Array)([0x1234]),
+        u8array = new(exports.Uint8Array)(u16array.buffer);
+    return r(u8array, 0) === 0x12;
+  }());
+
+  // Constructor(ArrayBuffer buffer,
+  //             optional unsigned long byteOffset,
+  //             optional unsigned long byteLength)
+  /** @constructor */
+  var DataView = function DataView(buffer, byteOffset, byteLength) {
+    if (arguments.length === 0) {
+      buffer = new exports.ArrayBuffer(0);
+    } else if (!(buffer instanceof exports.ArrayBuffer || ECMAScript.Class(buffer) === 'ArrayBuffer')) {
+      throw new TypeError("TypeError");
+    }
+
+    this.buffer = buffer || new exports.ArrayBuffer(0);
+
+    this.byteOffset = ECMAScript.ToUint32(byteOffset);
+    if (this.byteOffset > this.buffer.byteLength) {
+      throw new RangeError("byteOffset out of range");
+    }
+
+    if (arguments.length < 3) {
+      this.byteLength = this.buffer.byteLength - this.byteOffset;
+    } else {
+      this.byteLength = ECMAScript.ToUint32(byteLength);
+    }
+
+    if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) {
+      throw new RangeError("byteOffset and length reference an area beyond the end of the buffer");
+    }
+
+    configureProperties(this);
+  };
+
+  function makeGetter(arrayType) {
+    return function(byteOffset, littleEndian) {
+
+      byteOffset = ECMAScript.ToUint32(byteOffset);
+
+      if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) {
+        throw new RangeError("Array index out of range");
+      }
+      byteOffset += this.byteOffset;
+
+      var uint8Array = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT),
+          bytes = [], i;
+      for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) {
+        bytes.push(r(uint8Array, i));
+      }
+
+      if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) {
+        bytes.reverse();
+      }
+
+      return r(new arrayType(new exports.Uint8Array(bytes).buffer), 0);
+    };
+  }
+
+  DataView.prototype.getUint8 = makeGetter(exports.Uint8Array);
+  DataView.prototype.getInt8 = makeGetter(exports.Int8Array);
+  DataView.prototype.getUint16 = makeGetter(exports.Uint16Array);
+  DataView.prototype.getInt16 = makeGetter(exports.Int16Array);
+  DataView.prototype.getUint32 = makeGetter(exports.Uint32Array);
+  DataView.prototype.getInt32 = makeGetter(exports.Int32Array);
+  DataView.prototype.getFloat32 = makeGetter(exports.Float32Array);
+  DataView.prototype.getFloat64 = makeGetter(exports.Float64Array);
+
+  function makeSetter(arrayType) {
+    return function(byteOffset, value, littleEndian) {
+
+      byteOffset = ECMAScript.ToUint32(byteOffset);
+      if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) {
+        throw new RangeError("Array index out of range");
+      }
+
+      // Get bytes
+      var typeArray = new arrayType([value]),
+          byteArray = new exports.Uint8Array(typeArray.buffer),
+          bytes = [], i, byteView;
+
+      for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) {
+        bytes.push(r(byteArray, i));
+      }
+
+      // Flip if necessary
+      if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) {
+        bytes.reverse();
+      }
+
+      // Write them
+      byteView = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT);
+      byteView.set(bytes);
+    };
+  }
+
+  DataView.prototype.setUint8 = makeSetter(exports.Uint8Array);
+  DataView.prototype.setInt8 = makeSetter(exports.Int8Array);
+  DataView.prototype.setUint16 = makeSetter(exports.Uint16Array);
+  DataView.prototype.setInt16 = makeSetter(exports.Int16Array);
+  DataView.prototype.setUint32 = makeSetter(exports.Uint32Array);
+  DataView.prototype.setInt32 = makeSetter(exports.Int32Array);
+  DataView.prototype.setFloat32 = makeSetter(exports.Float32Array);
+  DataView.prototype.setFloat64 = makeSetter(exports.Float64Array);
+
+  exports.DataView = exports.DataView || DataView;
+
+}());
diff --git a/node_modules/typedarray/package.json b/node_modules/typedarray/package.json
new file mode 100644
index 00000000..a7854a0f
--- /dev/null
+++ b/node_modules/typedarray/package.json
@@ -0,0 +1,55 @@
+{
+  "name": "typedarray",
+  "version": "0.0.6",
+  "description": "TypedArray polyfill for old browsers",
+  "main": "index.js",
+  "devDependencies": {
+    "tape": "~2.3.2"
+  },
+  "scripts": {
+    "test": "tape test/*.js test/server/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/typedarray.git"
+  },
+  "homepage": "https://github.com/substack/typedarray",
+  "keywords": [
+    "ArrayBuffer",
+    "DataView",
+    "Float32Array",
+    "Float64Array",
+    "Int8Array",
+    "Int16Array",
+    "Int32Array",
+    "Uint8Array",
+    "Uint8ClampedArray",
+    "Uint16Array",
+    "Uint32Array",
+    "typed",
+    "array",
+    "polyfill"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/6..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/typedarray/readme.markdown b/node_modules/typedarray/readme.markdown
new file mode 100644
index 00000000..d18f6f71
--- /dev/null
+++ b/node_modules/typedarray/readme.markdown
@@ -0,0 +1,61 @@
+# typedarray
+
+TypedArray polyfill ripped from [this
+module](https://raw.github.com/inexorabletash/polyfill).
+
+[![build status](https://secure.travis-ci.org/substack/typedarray.png)](http://travis-ci.org/substack/typedarray)
+
+[![testling badge](https://ci.testling.com/substack/typedarray.png)](https://ci.testling.com/substack/typedarray)
+
+# example
+
+``` js
+var Uint8Array = require('typedarray').Uint8Array;
+var ua = new Uint8Array(5);
+ua[1] = 256 + 55;
+console.log(ua[1]);
+```
+
+output:
+
+```
+55
+```
+
+# methods
+
+``` js
+var TA = require('typedarray')
+```
+
+The `TA` object has the following constructors:
+
+* TA.ArrayBuffer
+* TA.DataView
+* TA.Float32Array
+* TA.Float64Array
+* TA.Int8Array
+* TA.Int16Array
+* TA.Int32Array
+* TA.Uint8Array
+* TA.Uint8ClampedArray
+* TA.Uint16Array
+* TA.Uint32Array
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install typedarray
+```
+
+To use this module in the browser, compile with
+[browserify](http://browserify.org)
+or download a UMD build from browserify CDN:
+
+http://wzrd.in/standalone/typedarray@latest
+
+# license
+
+MIT
diff --git a/node_modules/typedarray/test/server/undef_globals.js b/node_modules/typedarray/test/server/undef_globals.js
new file mode 100644
index 00000000..425950f9
--- /dev/null
+++ b/node_modules/typedarray/test/server/undef_globals.js
@@ -0,0 +1,19 @@
+var test = require('tape');
+var vm = require('vm');
+var fs = require('fs');
+var src = fs.readFileSync(__dirname + '/../../index.js', 'utf8');
+
+test('u8a without globals', function (t) {
+    var c = {
+        module: { exports: {} },
+    };
+    c.exports = c.module.exports;
+    vm.runInNewContext(src, c);
+    var TA = c.module.exports;
+    var ua = new(TA.Uint8Array)(5);
+    
+    t.equal(ua.length, 5);
+    ua[1] = 256 + 55;
+    t.equal(ua[1], 55);
+    t.end();
+});
diff --git a/node_modules/typedarray/test/tarray.js b/node_modules/typedarray/test/tarray.js
new file mode 100644
index 00000000..df596a34
--- /dev/null
+++ b/node_modules/typedarray/test/tarray.js
@@ -0,0 +1,10 @@
+var TA = require('../');
+var test = require('tape');
+
+test('tiny u8a test', function (t) {
+    var ua = new(TA.Uint8Array)(5);
+    t.equal(ua.length, 5);
+    ua[1] = 256 + 55;
+    t.equal(ua[1], 55);
+    t.end();
+});
diff --git a/node_modules/union-value/LICENSE b/node_modules/union-value/LICENSE
new file mode 100644
index 00000000..83b56e70
--- /dev/null
+++ b/node_modules/union-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/union-value/README.md b/node_modules/union-value/README.md
new file mode 100644
index 00000000..1a90ffbd
--- /dev/null
+++ b/node_modules/union-value/README.md
@@ -0,0 +1,73 @@
+# union-value [![NPM version](https://img.shields.io/npm/v/union-value.svg?style=flat)](https://www.npmjs.com/package/union-value) [![NPM monthly downloads](https://img.shields.io/npm/dm/union-value.svg?style=flat)](https://npmjs.org/package/union-value)  [![NPM total downloads](https://img.shields.io/npm/dt/union-value.svg?style=flat)](https://npmjs.org/package/union-value) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/union-value.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/union-value)
+
+> Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save union-value
+```
+
+## Usage
+
+```js
+var union = require('union-value');
+
+var obj = {};
+
+union(obj, 'a.b.c', ['one', 'two']);
+union(obj, 'a.b.c', ['three']);
+
+console.log(obj);
+//=> {a: {b: {c: [ 'one', 'two', 'three' ] }}}
+```
+
+## About
+
+### Related projects
+
+* [assign-value](https://www.npmjs.com/package/assign-value): Assign a value or extend a deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/assign-value) | [homepage](https://github.com/jonschlinkert/assign-value "Assign a value or extend a deeply nested property of an object using object path notation.")
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on February 25, 2017._
\ No newline at end of file
diff --git a/node_modules/union-value/index.js b/node_modules/union-value/index.js
new file mode 100644
index 00000000..9c5d8db2
--- /dev/null
+++ b/node_modules/union-value/index.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var isObject = require('is-extendable');
+var union = require('arr-union');
+var get = require('get-value');
+var set = require('set-value');
+
+module.exports = function unionValue(obj, prop, value) {
+  if (!isObject(obj)) {
+    throw new TypeError('union-value expects the first argument to be an object.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('union-value expects `prop` to be a string.');
+  }
+
+  var arr = arrayify(get(obj, prop));
+  set(obj, prop, union(arr, arrayify(value)));
+  return obj;
+};
+
+function arrayify(val) {
+  if (val === null || typeof val === 'undefined') {
+    return [];
+  }
+  if (Array.isArray(val)) {
+    return val;
+  }
+  return [val];
+}
diff --git a/node_modules/union-value/node_modules/is-extendable/LICENSE b/node_modules/union-value/node_modules/is-extendable/LICENSE
new file mode 100644
index 00000000..65f90aca
--- /dev/null
+++ b/node_modules/union-value/node_modules/is-extendable/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/union-value/node_modules/is-extendable/README.md b/node_modules/union-value/node_modules/is-extendable/README.md
new file mode 100644
index 00000000..e4cfaebc
--- /dev/null
+++ b/node_modules/union-value/node_modules/is-extendable/README.md
@@ -0,0 +1,72 @@
+# is-extendable [![NPM version](https://badge.fury.io/js/is-extendable.svg)](http://badge.fury.io/js/is-extendable)
+
+> Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. "can the value have keys?"
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i is-extendable --save
+```
+
+## Usage
+
+```js
+var isExtendable = require('is-extendable');
+```
+
+Returns true if the value is any of the following:
+
+* `array`
+* `regexp`
+* `plain object`
+* `function`
+* `date`
+* `error`
+
+## Notes
+
+All objects in JavaScript can have keys, but it's a pain to check for this, since we ether need to verify that the value is not `null` or `undefined` and:
+
+* the value is not a primitive, or
+* that the object is an `object`, `function`
+
+Also note that an `extendable` object is not the same as an [extensible object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible), which is one that (in es6) is not sealed, frozen, or marked as non-extensible using `preventExtensions`.
+
+## Related projects
+
+* [assign-deep](https://github.com/jonschlinkert/assign-deep): Deeply assign the enumerable properties of source objects to a destination object.
+* [extend-shallow](https://github.com/jonschlinkert/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util.
+* [isobject](https://github.com/jonschlinkert/isobject): Returns true if the value is an object and not an array or null.
+* [is-plain-object](https://github.com/jonschlinkert/is-plain-object): Returns true if an object was created by the `Object` constructor.
+* [is-equal-shallow](https://github.com/jonschlinkert/is-equal-shallow): Does a shallow comparison of two objects, returning false if the keys or values differ.
+* [kind-of](https://github.com/jonschlinkert/kind-of): Get the native type of a value.
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-extendable/issues/new)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on July 04, 2015._
\ No newline at end of file
diff --git a/node_modules/union-value/node_modules/is-extendable/index.js b/node_modules/union-value/node_modules/is-extendable/index.js
new file mode 100644
index 00000000..4ee71a44
--- /dev/null
+++ b/node_modules/union-value/node_modules/is-extendable/index.js
@@ -0,0 +1,13 @@
+/*!
+ * is-extendable <https://github.com/jonschlinkert/is-extendable>
+ *
+ * Copyright (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isExtendable(val) {
+  return typeof val !== 'undefined' && val !== null
+    && (typeof val === 'object' || typeof val === 'function');
+};
diff --git a/node_modules/union-value/node_modules/is-extendable/package.json b/node_modules/union-value/node_modules/is-extendable/package.json
new file mode 100644
index 00000000..5dd006ea
--- /dev/null
+++ b/node_modules/union-value/node_modules/is-extendable/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "is-extendable",
+  "description": "Returns true if a value is any of the object types: array, regexp, plain object, function or date. This is useful for determining if a value can be extended, e.g. \"can the value have keys?\"",
+  "version": "0.1.1",
+  "homepage": "https://github.com/jonschlinkert/is-extendable",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/is-extendable",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-extendable/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*"
+  },
+  "keywords": [
+    "array",
+    "assign",
+    "check",
+    "date",
+    "extend",
+    "extensible",
+    "function",
+    "is",
+    "object",
+    "regex",
+    "test"
+  ],
+  "verbiage": {
+    "related": {
+      "list": [
+        "isobject",
+        "is-plain-object",
+        "kind-of",
+        "is-extendable",
+        "is-equal-shallow",
+        "extend-shallow",
+        "assign-deep"
+      ]
+    }
+  }
+}
diff --git a/node_modules/union-value/package.json b/node_modules/union-value/package.json
new file mode 100644
index 00000000..65441f6e
--- /dev/null
+++ b/node_modules/union-value/package.json
@@ -0,0 +1,70 @@
+{
+  "name": "union-value",
+  "description": "Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.",
+  "version": "1.0.1",
+  "homepage": "https://github.com/jonschlinkert/union-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/union-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/union-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "arr-union": "^3.1.0",
+    "get-value": "^2.0.6",
+    "is-extendable": "^0.1.1",
+    "set-value": "^2.0.1"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.11",
+    "mocha": "^3.2.0",
+    "should": "^11.2.0"
+  },
+  "keywords": [
+    "array",
+    "dot",
+    "get",
+    "has",
+    "nested",
+    "notation",
+    "object",
+    "path",
+    "prop",
+    "property",
+    "set",
+    "union",
+    "value"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "assign-value",
+        "get-value",
+        "has-value",
+        "set-value",
+        "unset-value"
+      ]
+    },
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/unique-filename/.nyc_output/54942.json b/node_modules/unique-filename/.nyc_output/54942.json
new file mode 100644
index 00000000..9e26dfee
--- /dev/null
+++ b/node_modules/unique-filename/.nyc_output/54942.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/node_modules/unique-filename/.nyc_output/54944.json b/node_modules/unique-filename/.nyc_output/54944.json
new file mode 100644
index 00000000..3ce72e59
--- /dev/null
+++ b/node_modules/unique-filename/.nyc_output/54944.json
@@ -0,0 +1 @@
+{"./index.js":{"path":"./index.js","s":{"1":1,"2":1,"3":1,"4":6},"b":{"1":[4,2]},"f":{"1":6},"fnMap":{"1":{"name":"(anonymous_1)","line":6,"loc":{"start":{"line":6,"column":17},"end":{"line":6,"column":51}}}},"statementMap":{"1":{"start":{"line":2,"column":0},"end":{"line":2,"column":26}},"2":{"start":{"line":4,"column":0},"end":{"line":4,"column":39}},"3":{"start":{"line":6,"column":0},"end":{"line":8,"column":1}},"4":{"start":{"line":7,"column":2},"end":{"line":7,"column":77}}},"branchMap":{"1":{"line":7,"type":"cond-expr","locations":[{"start":{"line":7,"column":39},"end":{"line":7,"column":51}},{"start":{"line":7,"column":54},"end":{"line":7,"column":56}}]}}}}
\ No newline at end of file
diff --git a/node_modules/unique-filename/LICENSE b/node_modules/unique-filename/LICENSE
new file mode 100644
index 00000000..69619c12
--- /dev/null
+++ b/node_modules/unique-filename/LICENSE
@@ -0,0 +1,5 @@
+Copyright npm, Inc
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/unique-filename/README.md b/node_modules/unique-filename/README.md
new file mode 100644
index 00000000..74b62b2a
--- /dev/null
+++ b/node_modules/unique-filename/README.md
@@ -0,0 +1,33 @@
+unique-filename
+===============
+
+Generate a unique filename for use in temporary directories or caches.
+
+```
+var uniqueFilename = require('unique-filename')
+
+// returns something like: /tmp/912ec803b2ce49e4a541068d495ab570
+var randomTmpfile = uniqueFilename(os.tmpdir())
+
+// returns something like: /tmp/my-test-912ec803b2ce49e4a541068d495ab570
+var randomPrefixedTmpfile = uniqueFilename(os.tmpdir(), 'my-test')
+
+var uniqueTmpfile = uniqueFilename('/tmp', 'testing', '/my/thing/to/uniq/on')
+```
+
+### uniqueFilename(*dir*, *fileprefix*, *uniqstr*) → String
+
+Returns the full path of a unique filename that looks like:
+`dir/prefix-7ddd44c0`
+or `dir/7ddd44c0`
+
+*dir* – The path you want the filename in. `os.tmpdir()` is a good choice for this.
+
+*fileprefix* – A string to append prior to the unique part of the filename.
+The parameter is required if *uniqstr* is also passed in but is otherwise
+optional and can be `undefined`/`null`/`''`. If present and not empty
+then this string plus a hyphen are prepended to the unique part.
+
+*uniqstr* – Optional, if not passed the unique part of the resulting
+filename will be random.  If passed in it will be generated from this string
+in a reproducable way.
diff --git a/node_modules/unique-filename/coverage/__root__/index.html b/node_modules/unique-filename/coverage/__root__/index.html
new file mode 100644
index 00000000..cd55391a
--- /dev/null
+++ b/node_modules/unique-filename/coverage/__root__/index.html
@@ -0,0 +1,73 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <title>Code coverage report for __root__/</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="../prettify.css">
+    <link rel="stylesheet" href="../base.css">
+    <style type='text/css'>
+        div.coverage-summary .sorter {
+            background-image: url(../sort-arrow-sprite.png);
+        }
+    </style>
+</head>
+<body>
+<div class="header high">
+    <h1>Code coverage report for <span class="entity">__root__/</span></h1>
+    <h2>
+        Statements: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Branches: <span class="metric">100% <small>(2 / 2)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Functions: <span class="metric">100% <small>(1 / 1)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Lines: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
+    </h2>
+    <div class="path"><a href="../index.html">All files</a> &#187; __root__/</div>
+</div>
+<div class="body">
+<div class="coverage-summary">
+<table>
+<thead>
+<tr>
+   <th data-col="file" data-fmt="html" data-html="true" class="file">File</th>
+   <th data-col="pic" data-type="number" data-fmt="html" data-html="true" class="pic"></th>
+   <th data-col="statements" data-type="number" data-fmt="pct" class="pct">Statements</th>
+   <th data-col="statements_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="branches" data-type="number" data-fmt="pct" class="pct">Branches</th>
+   <th data-col="branches_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="functions" data-type="number" data-fmt="pct" class="pct">Functions</th>
+   <th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="lines" data-type="number" data-fmt="pct" class="pct">Lines</th>
+   <th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>
+</tr>
+</thead>
+<tbody><tr>
+	<td class="file high" data-value="index.js"><a href="index.js.html">index.js</a></td>
+	<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="4" class="abs high">(4&nbsp;/&nbsp;4)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="2" class="abs high">(2&nbsp;/&nbsp;2)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="1" class="abs high">(1&nbsp;/&nbsp;1)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="4" class="abs high">(4&nbsp;/&nbsp;4)</td>
+	</tr>
+
+</tbody>
+</table>
+</div>
+</div>
+<div class="footer">
+    <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Dec 03 2015 15:00:03 GMT-0800 (PST)</div>
+</div>
+<script src="../prettify.js"></script>
+<script>
+window.onload = function () {
+        if (typeof prettyPrint === 'function') {
+            prettyPrint();
+        }
+};
+</script>
+<script src="../sorter.js"></script>
+</body>
+</html>
diff --git a/node_modules/unique-filename/coverage/__root__/index.js.html b/node_modules/unique-filename/coverage/__root__/index.js.html
new file mode 100644
index 00000000..02e5768d
--- /dev/null
+++ b/node_modules/unique-filename/coverage/__root__/index.js.html
@@ -0,0 +1,69 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <title>Code coverage report for index.js</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="../prettify.css">
+    <link rel="stylesheet" href="../base.css">
+    <style type='text/css'>
+        div.coverage-summary .sorter {
+            background-image: url(../sort-arrow-sprite.png);
+        }
+    </style>
+</head>
+<body>
+<div class="header high">
+    <h1>Code coverage report for <span class="entity">index.js</span></h1>
+    <h2>
+        Statements: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Branches: <span class="metric">100% <small>(2 / 2)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Functions: <span class="metric">100% <small>(1 / 1)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Lines: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
+    </h2>
+    <div class="path"><a href="../index.html">All files</a> &#187; <a href="index.html">__root__/</a> &#187; index.js</div>
+</div>
+<div class="body">
+<pre><table class="coverage">
+<tr><td class="line-count">1
+2
+3
+4
+5
+6
+7
+8
+9</td><td class="line-coverage"><span class="cline-any cline-neutral">&nbsp;</span>
+<span class="cline-any cline-yes">1</span>
+<span class="cline-any cline-neutral">&nbsp;</span>
+<span class="cline-any cline-yes">1</span>
+<span class="cline-any cline-neutral">&nbsp;</span>
+<span class="cline-any cline-yes">1</span>
+<span class="cline-any cline-yes">6</span>
+<span class="cline-any cline-neutral">&nbsp;</span>
+<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">'use strict'
+var path = require('path')
+&nbsp;
+var uniqueSlug = require('unique-slug')
+&nbsp;
+module.exports = function (filepath, prefix, uniq) {
+  return path.join(filepath, (prefix ? prefix + '-' : '') + uniqueSlug(uniq))
+}
+&nbsp;</pre></td></tr>
+</table></pre>
+
+</div>
+<div class="footer">
+    <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Dec 03 2015 15:00:03 GMT-0800 (PST)</div>
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diff --git a/node_modules/unique-filename/coverage/index.html b/node_modules/unique-filename/coverage/index.html
new file mode 100644
index 00000000..b10d186c
--- /dev/null
+++ b/node_modules/unique-filename/coverage/index.html
@@ -0,0 +1,73 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <title>Code coverage report for All files</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="prettify.css">
+    <link rel="stylesheet" href="base.css">
+    <style type='text/css'>
+        div.coverage-summary .sorter {
+            background-image: url(sort-arrow-sprite.png);
+        }
+    </style>
+</head>
+<body>
+<div class="header high">
+    <h1>Code coverage report for <span class="entity">All files</span></h1>
+    <h2>
+        Statements: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Branches: <span class="metric">100% <small>(2 / 2)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Functions: <span class="metric">100% <small>(1 / 1)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Lines: <span class="metric">100% <small>(4 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
+        Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
+    </h2>
+    <div class="path"></div>
+</div>
+<div class="body">
+<div class="coverage-summary">
+<table>
+<thead>
+<tr>
+   <th data-col="file" data-fmt="html" data-html="true" class="file">File</th>
+   <th data-col="pic" data-type="number" data-fmt="html" data-html="true" class="pic"></th>
+   <th data-col="statements" data-type="number" data-fmt="pct" class="pct">Statements</th>
+   <th data-col="statements_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="branches" data-type="number" data-fmt="pct" class="pct">Branches</th>
+   <th data-col="branches_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="functions" data-type="number" data-fmt="pct" class="pct">Functions</th>
+   <th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>
+   <th data-col="lines" data-type="number" data-fmt="pct" class="pct">Lines</th>
+   <th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>
+</tr>
+</thead>
+<tbody><tr>
+	<td class="file high" data-value="__root__/"><a href="__root__/index.html">__root__/</a></td>
+	<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="4" class="abs high">(4&nbsp;/&nbsp;4)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="2" class="abs high">(2&nbsp;/&nbsp;2)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="1" class="abs high">(1&nbsp;/&nbsp;1)</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="4" class="abs high">(4&nbsp;/&nbsp;4)</td>
+	</tr>
+
+</tbody>
+</table>
+</div>
+</div>
+<div class="footer">
+    <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Dec 03 2015 15:00:03 GMT-0800 (PST)</div>
+</div>
+<script src="prettify.js"></script>
+<script>
+window.onload = function () {
+        if (typeof prettyPrint === 'function') {
+            prettyPrint();
+        }
+};
+</script>
+<script src="sorter.js"></script>
+</body>
+</html>
diff --git a/node_modules/unique-filename/coverage/prettify.css b/node_modules/unique-filename/coverage/prettify.css
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diff --git a/node_modules/unique-filename/coverage/sort-arrow-sprite.png b/node_modules/unique-filename/coverage/sort-arrow-sprite.png
new file mode 100644
index 00000000..03f704a6
Binary files /dev/null and b/node_modules/unique-filename/coverage/sort-arrow-sprite.png differ
diff --git a/node_modules/unique-filename/coverage/sorter.js b/node_modules/unique-filename/coverage/sorter.js
new file mode 100644
index 00000000..6afb736c
--- /dev/null
+++ b/node_modules/unique-filename/coverage/sorter.js
@@ -0,0 +1,156 @@
+var addSorting = (function () {
+    "use strict";
+    var cols,
+        currentSort = {
+            index: 0,
+            desc: false
+        };
+
+    // returns the summary table element
+    function getTable() { return document.querySelector('.coverage-summary table'); }
+    // returns the thead element of the summary table
+    function getTableHeader() { return getTable().querySelector('thead tr'); }
+    // returns the tbody element of the summary table
+    function getTableBody() { return getTable().querySelector('tbody'); }
+    // returns the th element for nth column
+    function getNthColumn(n) { return getTableHeader().querySelectorAll('th')[n]; }
+
+    // loads all columns
+    function loadColumns() {
+        var colNodes = getTableHeader().querySelectorAll('th'),
+            colNode,
+            cols = [],
+            col,
+            i;
+
+        for (i = 0; i < colNodes.length; i += 1) {
+            colNode = colNodes[i];
+            col = {
+                key: colNode.getAttribute('data-col'),
+                sortable: !colNode.getAttribute('data-nosort'),
+                type: colNode.getAttribute('data-type') || 'string'
+            };
+            cols.push(col);
+            if (col.sortable) {
+                col.defaultDescSort = col.type === 'number';
+                colNode.innerHTML = colNode.innerHTML + '<span class="sorter"></span>';
+            }
+        }
+        return cols;
+    }
+    // attaches a data attribute to every tr element with an object
+    // of data values keyed by column name
+    function loadRowData(tableRow) {
+        var tableCols = tableRow.querySelectorAll('td'),
+            colNode,
+            col,
+            data = {},
+            i,
+            val;
+        for (i = 0; i < tableCols.length; i += 1) {
+            colNode = tableCols[i];
+            col = cols[i];
+            val = colNode.getAttribute('data-value');
+            if (col.type === 'number') {
+                val = Number(val);
+            }
+            data[col.key] = val;
+        }
+        return data;
+    }
+    // loads all row data
+    function loadData() {
+        var rows = getTableBody().querySelectorAll('tr'),
+            i;
+
+        for (i = 0; i < rows.length; i += 1) {
+            rows[i].data = loadRowData(rows[i]);
+        }
+    }
+    // sorts the table using the data for the ith column
+    function sortByIndex(index, desc) {
+        var key = cols[index].key,
+            sorter = function (a, b) {
+                a = a.data[key];
+                b = b.data[key];
+                return a < b ? -1 : a > b ? 1 : 0;
+            },
+            finalSorter = sorter,
+            tableBody = document.querySelector('.coverage-summary tbody'),
+            rowNodes = tableBody.querySelectorAll('tr'),
+            rows = [],
+            i;
+
+        if (desc) {
+            finalSorter = function (a, b) {
+                return -1 * sorter(a, b);
+            };
+        }
+
+        for (i = 0; i < rowNodes.length; i += 1) {
+            rows.push(rowNodes[i]);
+            tableBody.removeChild(rowNodes[i]);
+        }
+
+        rows.sort(finalSorter);
+
+        for (i = 0; i < rows.length; i += 1) {
+            tableBody.appendChild(rows[i]);
+        }
+    }
+    // removes sort indicators for current column being sorted
+    function removeSortIndicators() {
+        var col = getNthColumn(currentSort.index),
+            cls = col.className;
+
+        cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, '');
+        col.className = cls;
+    }
+    // adds sort indicators for current column being sorted
+    function addSortIndicators() {
+        getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted';
+    }
+    // adds event listeners for all sorter widgets
+    function enableUI() {
+        var i,
+            el,
+            ithSorter = function ithSorter(i) {
+                var col = cols[i];
+
+                return function () {
+                    var desc = col.defaultDescSort;
+
+                    if (currentSort.index === i) {
+                        desc = !currentSort.desc;
+                    }
+                    sortByIndex(i, desc);
+                    removeSortIndicators();
+                    currentSort.index = i;
+                    currentSort.desc = desc;
+                    addSortIndicators();
+                };
+            };
+        for (i =0 ; i < cols.length; i += 1) {
+            if (cols[i].sortable) {
+                el = getNthColumn(i).querySelector('.sorter');
+                if (el.addEventListener) {
+                    el.addEventListener('click', ithSorter(i));
+                } else {
+                    el.attachEvent('onclick', ithSorter(i));
+                }
+            }
+        }
+    }
+    // adds sorting functionality to the UI
+    return function () {
+        if (!getTable()) {
+            return;
+        }
+        cols = loadColumns();
+        loadData(cols);
+        addSortIndicators();
+        enableUI();
+    };
+})();
+
+window.addEventListener('load', addSorting);
diff --git a/node_modules/unique-filename/index.js b/node_modules/unique-filename/index.js
new file mode 100644
index 00000000..02bf1e27
--- /dev/null
+++ b/node_modules/unique-filename/index.js
@@ -0,0 +1,8 @@
+'use strict'
+var path = require('path')
+
+var uniqueSlug = require('unique-slug')
+
+module.exports = function (filepath, prefix, uniq) {
+  return path.join(filepath, (prefix ? prefix + '-' : '') + uniqueSlug(uniq))
+}
diff --git a/node_modules/unique-filename/package.json b/node_modules/unique-filename/package.json
new file mode 100644
index 00000000..bc429aa4
--- /dev/null
+++ b/node_modules/unique-filename/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "unique-filename",
+  "version": "1.1.1",
+  "description": "Generate a unique filename for use in temporary directories or caches.",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && tap test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/iarna/unique-filename.git"
+  },
+  "keywords": [],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/iarna/unique-filename/issues"
+  },
+  "homepage": "https://github.com/iarna/unique-filename",
+  "devDependencies": {
+    "standard": "^5.4.1",
+    "tap": "^2.3.1"
+  },
+  "dependencies": {
+    "unique-slug": "^2.0.0"
+  }
+}
diff --git a/node_modules/unique-filename/test/index.js b/node_modules/unique-filename/test/index.js
new file mode 100644
index 00000000..105b4e52
--- /dev/null
+++ b/node_modules/unique-filename/test/index.js
@@ -0,0 +1,23 @@
+'sue strict'
+var t = require('tap')
+var uniqueFilename = require('../index.js')
+
+t.plan(6)
+
+var randomTmpfile = uniqueFilename('tmp')
+t.like(randomTmpfile, /^tmp.[a-f0-9]{8}$/, 'random tmp file')
+
+var randomAgain = uniqueFilename('tmp')
+t.notEqual(randomAgain, randomTmpfile, 'random tmp files are not the same')
+
+var randomPrefixedTmpfile = uniqueFilename('tmp', 'my-test')
+t.like(randomPrefixedTmpfile, /^tmp.my-test-[a-f0-9]{8}$/, 'random prefixed tmp file')
+
+var randomPrefixedAgain = uniqueFilename('tmp', 'my-test')
+t.notEqual(randomPrefixedAgain, randomPrefixedTmpfile, 'random prefixed tmp files are not the same')
+
+var uniqueTmpfile = uniqueFilename('tmp', 'testing', '/my/thing/to/uniq/on')
+t.like(uniqueTmpfile, /^tmp.testing-7ddd44c0$/, 'unique filename')
+
+var uniqueAgain = uniqueFilename('tmp', 'testing', '/my/thing/to/uniq/on')
+t.is(uniqueTmpfile, uniqueAgain, 'same unique string component produces same filename')
diff --git a/node_modules/unique-slug/.travis.yml b/node_modules/unique-slug/.travis.yml
new file mode 100644
index 00000000..5651fce2
--- /dev/null
+++ b/node_modules/unique-slug/.travis.yml
@@ -0,0 +1,10 @@
+language: node_js
+sudo: false
+before_install:
+  - "npm -g install npm"
+node_js:
+  - "6"
+  - "8"
+  - "10"
+  - "lts/*"
+  - "node"
diff --git a/node_modules/unique-slug/LICENSE b/node_modules/unique-slug/LICENSE
new file mode 100644
index 00000000..7953647e
--- /dev/null
+++ b/node_modules/unique-slug/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright npm, Inc
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/unique-slug/README.md b/node_modules/unique-slug/README.md
new file mode 100644
index 00000000..87f92f1d
--- /dev/null
+++ b/node_modules/unique-slug/README.md
@@ -0,0 +1,19 @@
+unique-slug
+===========
+
+Generate a unique character string suitible for use in files and URLs.
+
+```
+var uniqueSlug = require('unique-slug')
+
+var randomSlug = uniqueSlug()
+var fileSlug = uniqueSlug('/etc/passwd')
+```
+
+### uniqueSlug(*str*) → String (8 chars)
+
+If *str* is passed in then the return value will be its murmur hash in
+hex.
+
+If *str* is not passed in, it will be 4 randomly generated bytes
+converted into 8 hexadecimal characters.
diff --git a/node_modules/unique-slug/index.js b/node_modules/unique-slug/index.js
new file mode 100644
index 00000000..fa4761ad
--- /dev/null
+++ b/node_modules/unique-slug/index.js
@@ -0,0 +1,11 @@
+'use strict'
+var MurmurHash3 = require('imurmurhash')
+
+module.exports = function (uniq) {
+  if (uniq) {
+    var hash = new MurmurHash3(uniq)
+    return ('00000000' + hash.result().toString(16)).substr(-8)
+  } else {
+    return (Math.random().toString(16) + '0000000').substr(2, 8)
+  }
+}
diff --git a/node_modules/unique-slug/package.json b/node_modules/unique-slug/package.json
new file mode 100644
index 00000000..2142e685
--- /dev/null
+++ b/node_modules/unique-slug/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "unique-slug",
+  "version": "2.0.2",
+  "description": "Generate a unique character string suitible for use in files and URLs.",
+  "main": "index.js",
+  "scripts": {
+    "test": "standard && tap --coverage test"
+  },
+  "keywords": [],
+  "author": "Rebecca Turner <me@re-becca.org> (http://re-becca.org)",
+  "license": "ISC",
+  "devDependencies": {
+    "standard": "^12.0.1",
+    "tap": "^12.7.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/iarna/unique-slug.git"
+  },
+  "dependencies": {
+    "imurmurhash": "^0.1.4"
+  }
+}
diff --git a/node_modules/unique-slug/test/index.js b/node_modules/unique-slug/test/index.js
new file mode 100644
index 00000000..0f4ccad0
--- /dev/null
+++ b/node_modules/unique-slug/test/index.js
@@ -0,0 +1,13 @@
+'use strict'
+var t = require('tap')
+var uniqueSlug = require('../index.js')
+
+t.plan(5)
+var slugA = uniqueSlug()
+t.is(slugA.length, 8, 'random slugs are 8 chars')
+t.notEqual(slugA, uniqueSlug(), "two slugs aren't the same")
+var base = '/path/to/thingy'
+var slugB = uniqueSlug(base)
+t.is(slugB.length, 8, 'string based slugs are 8 chars')
+t.is(slugB, uniqueSlug(base), 'two string based slugs, from the same string are the same')
+t.notEqual(slugB, uniqueSlug(slugA), 'two string based slongs, from diff strings are different')
diff --git a/node_modules/unset-value/LICENSE b/node_modules/unset-value/LICENSE
new file mode 100644
index 00000000..ec85897e
--- /dev/null
+++ b/node_modules/unset-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015, 2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/unset-value/README.md b/node_modules/unset-value/README.md
new file mode 100644
index 00000000..f0fec3d3
--- /dev/null
+++ b/node_modules/unset-value/README.md
@@ -0,0 +1,131 @@
+# unset-value [![NPM version](https://img.shields.io/npm/v/unset-value.svg?style=flat)](https://www.npmjs.com/package/unset-value) [![NPM monthly downloads](https://img.shields.io/npm/dm/unset-value.svg?style=flat)](https://npmjs.org/package/unset-value)  [![NPM total downloads](https://img.shields.io/npm/dt/unset-value.svg?style=flat)](https://npmjs.org/package/unset-value) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/unset-value.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/unset-value)
+
+> Delete nested properties from an object using dot notation.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save unset-value
+```
+
+## Usage
+
+```js
+var unset = require('unset-value');
+
+var obj = {a: {b: {c: 'd', e: 'f'}}};
+unset(obj, 'a.b.c');
+console.log(obj);
+//=> {a: {b: {e: 'f'}}};
+```
+
+## Examples
+
+### Updates the object when a property is deleted
+
+```js
+var obj = {a: 'b'};
+unset(obj, 'a');
+console.log(obj);
+//=> {}
+```
+
+### Returns true when a property is deleted
+
+```js
+unset({a: 'b'}, 'a') // true
+```
+
+### Returns `true` when a property does not exist
+
+This is consistent with `delete` behavior in that it does not
+throw when a property does not exist.
+
+```js
+unset({a: {b: {c: 'd'}}}, 'd') // true
+```
+
+### delete nested values
+
+```js
+var one = {a: {b: {c: 'd'}}};
+unset(one, 'a.b');
+console.log(one);
+//=> {a: {}}
+
+var two = {a: {b: {c: 'd'}}};
+unset(two, 'a.b.c');
+console.log(two);
+//=> {a: {b: {}}}
+
+var three = {a: {b: {c: 'd', e: 'f'}}};
+unset(three, 'a.b.c');
+console.log(three);
+//=> {a: {b: {e: 'f'}}}
+```
+
+### throws on invalid args
+
+```js
+unset();
+// 'expected an object.'
+```
+
+## About
+
+### Related projects
+
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
+* [get-values](https://www.npmjs.com/package/get-values): Return an array of all values from the given object. | [homepage](https://github.com/jonschlinkert/get-values "Return an array of all values from the given object.")
+* [omit-value](https://www.npmjs.com/package/omit-value): Omit properties from an object or deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/omit-value) | [homepage](https://github.com/jonschlinkert/omit-value "Omit properties from an object or deeply nested property of an object using object path notation.")
+* [put-value](https://www.npmjs.com/package/put-value): Update only existing values from an object, works with dot notation paths like `a.b.c` and… [more](https://github.com/tunnckocore/put-value#readme) | [homepage](https://github.com/tunnckocore/put-value#readme "Update only existing values from an object, works with dot notation paths like `a.b.c` and support deep nesting.")
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
+* [union-value](https://www.npmjs.com/package/union-value): Set an array of unique values as the property of an object. Supports setting deeply… [more](https://github.com/jonschlinkert/union-value) | [homepage](https://github.com/jonschlinkert/union-value "Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.")
+* [upsert-value](https://www.npmjs.com/package/upsert-value): Update or set nested values and any intermediaries with dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/doowb/upsert-value "Update or set nested values and any intermediaries with dot notation (`'a.b.c'`) paths.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 6 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 2 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on February 25, 2017._
\ No newline at end of file
diff --git a/node_modules/unset-value/index.js b/node_modules/unset-value/index.js
new file mode 100644
index 00000000..a9190101
--- /dev/null
+++ b/node_modules/unset-value/index.js
@@ -0,0 +1,32 @@
+/*!
+ * unset-value <https://github.com/jonschlinkert/unset-value>
+ *
+ * Copyright (c) 2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+var has = require('has-value');
+
+module.exports = function unset(obj, prop) {
+  if (!isObject(obj)) {
+    throw new TypeError('expected an object.');
+  }
+  if (obj.hasOwnProperty(prop)) {
+    delete obj[prop];
+    return true;
+  }
+
+  if (has(obj, prop)) {
+    var segs = prop.split('.');
+    var last = segs.pop();
+    while (segs.length && segs[segs.length - 1].slice(-1) === '\\') {
+      last = segs.pop().slice(0, -1) + '.' + last;
+    }
+    while (segs.length) obj = obj[prop = segs.shift()];
+    return (delete obj[last]);
+  }
+  return true;
+};
diff --git a/node_modules/unset-value/node_modules/has-value/LICENSE b/node_modules/unset-value/node_modules/has-value/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/unset-value/node_modules/has-value/README.md b/node_modules/unset-value/node_modules/has-value/README.md
new file mode 100644
index 00000000..a927633e
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/README.md
@@ -0,0 +1,130 @@
+# has-value [![NPM version](https://img.shields.io/npm/v/has-value.svg?style=flat)](https://www.npmjs.com/package/has-value) [![NPM downloads](https://img.shields.io/npm/dm/has-value.svg?style=flat)](https://npmjs.org/package/has-value) [![Build Status](https://img.shields.io/travis/jonschlinkert/has-value.svg?style=flat)](https://travis-ci.org/jonschlinkert/has-value)
+
+> Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install has-value --save
+```
+
+**Works for:**
+
+* booleans
+* functions
+* numbers (pass `true` as the last arg to treat zero as a value instead of falsey)
+* strings
+* nulls
+* object
+* arrays
+
+## Usage
+
+Works with nested object paths or a single value:
+
+```js
+var hasValue = require('has-value');
+
+hasValue({a: {b: {c: 'foo'}}} 'a.b.c');
+//=> true
+
+hasValue('a');
+//=> true
+
+hasValue('');
+//=> false
+
+hasValue(1);
+//=> true
+
+hasValue(0);
+//=> false
+
+hasValue(0, true); // pass `true` as the last arg to treat zero as a value
+//=> true
+
+hasValue({a: 'a'}});
+//=> true
+
+hasValue({}});
+//=> false
+
+hasValue(['a']);
+//=> true
+
+hasValue([]);
+//=> false
+
+hasValue(function(foo) {}); // function length/arity
+//=> true
+
+hasValue(function() {});
+//=> false
+
+hasValue(true);
+hasValue(false);
+//=> true
+```
+
+## isEmpty
+
+To do the opposite and test for empty values, do:
+
+```js
+function isEmpty(o, isZero) {
+  return !hasValue.apply(hasValue, arguments);
+}
+```
+
+## Related projects
+
+You might also be interested in these projects:
+
+* [get-object](https://www.npmjs.com/package/get-object): Get a property from an object using dot (object path) notation. | [homepage](https://github.com/jonschlinkert/get-object)
+* [get-property](https://www.npmjs.com/package/get-property): Get a nested property or its value from an object using simple `a.b.c` paths. | [homepage](https://github.com/jonschlinkert/get-property)
+* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value)
+* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value)
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/has-value/issues/new).
+
+## Building docs
+
+Generate readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install verb && npm run docs
+```
+
+Or, if [verb](https://github.com/verbose/verb) is installed globally:
+
+```sh
+$ verb
+```
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/has-value/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb](https://github.com/verbose/verb), v, on March 27, 2016._
\ No newline at end of file
diff --git a/node_modules/unset-value/node_modules/has-value/index.js b/node_modules/unset-value/node_modules/has-value/index.js
new file mode 100644
index 00000000..90687c87
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/index.js
@@ -0,0 +1,19 @@
+/*!
+ * has-value <https://github.com/jonschlinkert/has-value>
+ *
+ * Copyright (c) 2014-2016, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+var hasValues = require('has-values');
+var get = require('get-value');
+
+module.exports = function(obj, prop, noZero) {
+  if (isObject(obj)) {
+    return hasValues(get(obj, prop), noZero);
+  }
+  return hasValues(obj, prop);
+};
diff --git a/node_modules/unset-value/node_modules/has-value/node_modules/isobject/LICENSE b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/unset-value/node_modules/has-value/node_modules/isobject/README.md b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/README.md
new file mode 100644
index 00000000..9dd897aa
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/README.md
@@ -0,0 +1,112 @@
+# isobject [![NPM version](https://img.shields.io/npm/v/isobject.svg?style=flat)](https://www.npmjs.com/package/isobject) [![NPM downloads](https://img.shields.io/npm/dm/isobject.svg?style=flat)](https://npmjs.org/package/isobject) [![Build Status](https://img.shields.io/travis/jonschlinkert/isobject.svg?style=flat)](https://travis-ci.org/jonschlinkert/isobject)
+
+Returns true if the value is an object and not an array or null.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install isobject --save
+```
+
+Use [is-plain-object](https://github.com/jonschlinkert/is-plain-object) if you want only objects that are created by the `Object` constructor.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install isobject
+```
+
+Install with [bower](http://bower.io/)
+
+```sh
+$ bower install isobject
+```
+
+## Usage
+
+```js
+var isObject = require('isobject');
+```
+
+**True**
+
+All of the following return `true`:
+
+```js
+isObject({});
+isObject(Object.create({}));
+isObject(Object.create(Object.prototype));
+isObject(Object.create(null));
+isObject({});
+isObject(new Foo);
+isObject(/foo/);
+```
+
+**False**
+
+All of the following return `false`:
+
+```js
+isObject();
+isObject(function () {});
+isObject(1);
+isObject([]);
+isObject(undefined);
+isObject(null);
+```
+
+## Related projects
+
+You might also be interested in these projects:
+
+[merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep)
+
+* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow)
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object)
+* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of)
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/isobject/issues/new).
+
+## Building docs
+
+Generate readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install verb && npm run docs
+```
+
+Or, if [verb](https://github.com/verbose/verb) is installed globally:
+
+```sh
+$ verb
+```
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/isobject/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on April 25, 2016._
\ No newline at end of file
diff --git a/node_modules/unset-value/node_modules/has-value/node_modules/isobject/index.js b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/index.js
new file mode 100644
index 00000000..aa0dce0b
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/index.js
@@ -0,0 +1,14 @@
+/*!
+ * isobject <https://github.com/jonschlinkert/isobject>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var isArray = require('isarray');
+
+module.exports = function isObject(val) {
+  return val != null && typeof val === 'object' && isArray(val) === false;
+};
diff --git a/node_modules/unset-value/node_modules/has-value/node_modules/isobject/package.json b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/package.json
new file mode 100644
index 00000000..954f4113
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/node_modules/isobject/package.json
@@ -0,0 +1,67 @@
+{
+  "name": "isobject",
+  "description": "Returns true if the value is an object and not an array or null.",
+  "version": "2.1.0",
+  "homepage": "https://github.com/jonschlinkert/isobject",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/isobject",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/isobject/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "isarray": "1.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.9",
+    "mocha": "^2.4.5"
+  },
+  "keywords": [
+    "check",
+    "is",
+    "is-object",
+    "isobject",
+    "kind",
+    "kind-of",
+    "kindof",
+    "native",
+    "object",
+    "type",
+    "typeof",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "merge-deep",
+        "extend-shallow",
+        "is-plain-object",
+        "kind-of"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    },
+    "reflinks": [
+      "verb"
+    ]
+  }
+}
diff --git a/node_modules/unset-value/node_modules/has-value/package.json b/node_modules/unset-value/node_modules/has-value/package.json
new file mode 100644
index 00000000..88ff6edc
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-value/package.json
@@ -0,0 +1,81 @@
+{
+  "name": "has-value",
+  "version": "0.3.1",
+  "description": "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.",
+  "homepage": "https://github.com/jonschlinkert/has-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/has-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/has-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "get-value": "^2.0.3",
+    "has-values": "^0.1.4",
+    "isobject": "^2.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.7",
+    "mocha": "^2.4.5"
+  },
+  "keywords": [
+    "array",
+    "boolean",
+    "empty",
+    "find",
+    "function",
+    "has",
+    "hasOwn",
+    "javascript",
+    "js",
+    "key",
+    "keys",
+    "node.js",
+    "null",
+    "number",
+    "object",
+    "properties",
+    "property",
+    "string",
+    "type",
+    "util",
+    "utilities",
+    "utility",
+    "value"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "get-object",
+        "get-property",
+        "get-value",
+        "set-value"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/unset-value/node_modules/has-values/LICENSE b/node_modules/unset-value/node_modules/has-values/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-values/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/unset-value/node_modules/has-values/README.md b/node_modules/unset-value/node_modules/has-values/README.md
new file mode 100644
index 00000000..13319c51
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-values/README.md
@@ -0,0 +1,114 @@
+# has-values [![NPM version](https://img.shields.io/npm/v/has-values.svg?style=flat)](https://www.npmjs.com/package/has-values) [![NPM downloads](https://img.shields.io/npm/dm/has-values.svg?style=flat)](https://npmjs.org/package/has-values) [![Build Status](https://img.shields.io/travis/jonschlinkert/has-values.svg?style=flat)](https://travis-ci.org/jonschlinkert/has-values)
+
+> Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install has-values --save
+```
+
+## Usage
+
+```js
+var hasValue = require('has-values');
+
+hasValue('a');
+//=> true
+
+hasValue('');
+//=> false
+
+hasValue(1);
+//=> true
+
+hasValue(0);
+//=> false
+
+hasValue(0, true); // treat zero as a value
+//=> true
+
+hasValue({a: 'a'}});
+//=> true
+
+hasValue({}});
+//=> false
+
+hasValue(['a']);
+//=> true
+
+hasValue([]);
+//=> false
+
+hasValue(function(foo) {}); // function length/arity
+//=> true
+
+hasValue(function() {});
+//=> false
+
+hasValue(true);
+hasValue(false);
+//=> true
+```
+
+## isEmpty
+
+To test for empty values, do:
+
+```js
+function isEmpty(o, isZero) {
+  return !hasValue(o, isZero);
+}
+```
+
+## Related projects
+
+You might also be interested in these projects:
+
+* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://www.npmjs.com/package/has-value) | [homepage](https://github.com/jonschlinkert/has-value)
+* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object)
+* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject)
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/has-values/issues/new).
+
+## Building docs
+
+Generate readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install verb && npm run docs
+```
+
+Or, if [verb](https://github.com/verbose/verb) is installed globally:
+
+```sh
+$ verb
+```
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+## Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/has-values/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb](https://github.com/verbose/verb), v, on March 27, 2016._
\ No newline at end of file
diff --git a/node_modules/unset-value/node_modules/has-values/index.js b/node_modules/unset-value/node_modules/has-values/index.js
new file mode 100644
index 00000000..6d04ba1f
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-values/index.js
@@ -0,0 +1,36 @@
+/*!
+ * has-values <https://github.com/jonschlinkert/has-values>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function hasValue(o, noZero) {
+  if (o === null || o === undefined) {
+    return false;
+  }
+
+  if (typeof o === 'boolean') {
+    return true;
+  }
+
+  if (typeof o === 'number') {
+    if (o === 0 && noZero === true) {
+      return false;
+    }
+    return true;
+  }
+
+  if (o.length !== undefined) {
+    return o.length !== 0;
+  }
+
+  for (var key in o) {
+    if (o.hasOwnProperty(key)) {
+      return true;
+    }
+  }
+  return false;
+};
diff --git a/node_modules/unset-value/node_modules/has-values/package.json b/node_modules/unset-value/node_modules/has-values/package.json
new file mode 100644
index 00000000..519a2c89
--- /dev/null
+++ b/node_modules/unset-value/node_modules/has-values/package.json
@@ -0,0 +1,75 @@
+{
+  "name": "has-values",
+  "version": "0.1.4",
+  "description": "Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays. ",
+  "homepage": "https://github.com/jonschlinkert/has-values",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "repository": "jonschlinkert/has-values",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/has-values/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.7",
+    "mocha": "^2.4.5"
+  },
+  "keywords": [
+    "array",
+    "boolean",
+    "empty",
+    "find",
+    "function",
+    "has",
+    "hasOwn",
+    "javascript",
+    "js",
+    "key",
+    "keys",
+    "node.js",
+    "null",
+    "number",
+    "object",
+    "properties",
+    "property",
+    "string",
+    "type",
+    "util",
+    "utilities",
+    "utility",
+    "value"
+  ],
+  "verb": {
+    "run": true,
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "has-value",
+        "isobject",
+        "is-plain-object"
+      ]
+    },
+    "reflinks": [
+      "verb"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/unset-value/package.json b/node_modules/unset-value/package.json
new file mode 100644
index 00000000..0753ba6d
--- /dev/null
+++ b/node_modules/unset-value/package.json
@@ -0,0 +1,71 @@
+{
+  "name": "unset-value",
+  "description": "Delete nested properties from an object using dot notation.",
+  "version": "1.0.0",
+  "homepage": "https://github.com/jonschlinkert/unset-value",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "<wtgtybhertgeghgtwtg@gmail.com> (https://github.com/wtgtybhertgeghgtwtg)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/unset-value",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/unset-value/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "has-value": "^0.3.1",
+    "isobject": "^3.0.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.11",
+    "mocha": "*",
+    "should": "*"
+  },
+  "keywords": [
+    "del",
+    "delete",
+    "key",
+    "object",
+    "omit",
+    "prop",
+    "property",
+    "remove",
+    "unset",
+    "value"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "get-value",
+        "get-values",
+        "omit-value",
+        "put-value",
+        "set-value",
+        "union-value",
+        "upsert-value"
+      ]
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/upath/LICENSE b/node_modules/upath/LICENSE
new file mode 100644
index 00000000..77fab240
--- /dev/null
+++ b/node_modules/upath/LICENSE
@@ -0,0 +1,22 @@
+Copyright(c) 2014-2019 Angelos Pikoulas (agelos.pikoulas@gmail.com)
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/upath/build/code/upath.js b/node_modules/upath/build/code/upath.js
new file mode 100644
index 00000000..f0949e13
--- /dev/null
+++ b/node_modules/upath/build/code/upath.js
@@ -0,0 +1,171 @@
+/**
+* upath http://github.com/anodynos/upath/
+*
+* A proxy to `path`, replacing `\` with `/` for all results & new methods to normalize & join keeping leading `./` and add, change, default, trim file extensions.
+* Version 1.2.0 - Compiled on 2019-09-02 23:33:57
+* Repository git://github.com/anodynos/upath
+* Copyright(c) 2019 Angelos Pikoulas <agelos.pikoulas@gmail.com>
+* License MIT
+*/
+
+// Generated by uRequire v0.7.0-beta.33 target: 'lib' template: 'nodejs'
+
+
+var VERSION = '1.2.0'; // injected by urequire-rc-inject-version
+
+var extraFn, extraFunctions, isFunction, isString, isValidExt, name, path, propName, propValue, toUnix, upath, slice = [].slice, indexOf = [].indexOf || function (item) {
+    for (var i = 0, l = this.length; i < l; i++) {
+      if (i in this && this[i] === item)
+        return i;
+    }
+    return -1;
+  }, hasProp = {}.hasOwnProperty;
+path = require("path");
+isFunction = function (val) {
+  return val instanceof Function;
+};
+isString = function (val) {
+  return typeof val === "string" || !!val && typeof val === "object" && Object.prototype.toString.call(val) === "[object String]";
+};
+upath = exports;
+upath.VERSION = typeof VERSION !== "undefined" && VERSION !== null ? VERSION : "NO-VERSION";
+toUnix = function (p) {
+  var double;
+  p = p.replace(/\\/g, "/");
+  double = /\/\//;
+  while (p.match(double)) {
+    p = p.replace(double, "/");
+  }
+  return p;
+};
+for (propName in path) {
+  propValue = path[propName];
+  if (isFunction(propValue)) {
+    upath[propName] = function (propName) {
+      return function () {
+        var args, result;
+        args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
+        args = args.map(function (p) {
+          if (isString(p)) {
+            return toUnix(p);
+          } else {
+            return p;
+          }
+        });
+        result = path[propName].apply(path, args);
+        if (isString(result)) {
+          return toUnix(result);
+        } else {
+          return result;
+        }
+      };
+    }(propName);
+  } else {
+    upath[propName] = propValue;
+  }
+}
+upath.sep = "/";
+extraFunctions = {
+  toUnix: toUnix,
+  normalizeSafe: function (p) {
+    p = toUnix(p);
+    if (p.startsWith("./")) {
+      if (p.startsWith("./..") || p === "./") {
+        return upath.normalize(p);
+      } else {
+        return "./" + upath.normalize(p);
+      }
+    } else {
+      return upath.normalize(p);
+    }
+  },
+  normalizeTrim: function (p) {
+    p = upath.normalizeSafe(p);
+    if (p.endsWith("/")) {
+      return p.slice(0, +(p.length - 2) + 1 || 9000000000);
+    } else {
+      return p;
+    }
+  },
+  joinSafe: function () {
+    var p, result;
+    p = 1 <= arguments.length ? slice.call(arguments, 0) : [];
+    result = upath.join.apply(null, p);
+    if (p[0].startsWith("./") && !result.startsWith("./")) {
+      result = "./" + result;
+    }
+    return result;
+  },
+  addExt: function (file, ext) {
+    if (!ext) {
+      return file;
+    } else {
+      if (ext[0] !== ".") {
+        ext = "." + ext;
+      }
+      return file + (file.endsWith(ext) ? "" : ext);
+    }
+  },
+  trimExt: function (filename, ignoreExts, maxSize) {
+    var oldExt;
+    if (maxSize == null) {
+      maxSize = 7;
+    }
+    oldExt = upath.extname(filename);
+    if (isValidExt(oldExt, ignoreExts, maxSize)) {
+      return filename.slice(0, +(filename.length - oldExt.length - 1) + 1 || 9000000000);
+    } else {
+      return filename;
+    }
+  },
+  removeExt: function (filename, ext) {
+    if (!ext) {
+      return filename;
+    } else {
+      ext = ext[0] === "." ? ext : "." + ext;
+      if (upath.extname(filename) === ext) {
+        return upath.trimExt(filename);
+      } else {
+        return filename;
+      }
+    }
+  },
+  changeExt: function (filename, ext, ignoreExts, maxSize) {
+    if (maxSize == null) {
+      maxSize = 7;
+    }
+    return upath.trimExt(filename, ignoreExts, maxSize) + (!ext ? "" : ext[0] === "." ? ext : "." + ext);
+  },
+  defaultExt: function (filename, ext, ignoreExts, maxSize) {
+    var oldExt;
+    if (maxSize == null) {
+      maxSize = 7;
+    }
+    oldExt = upath.extname(filename);
+    if (isValidExt(oldExt, ignoreExts, maxSize)) {
+      return filename;
+    } else {
+      return upath.addExt(filename, ext);
+    }
+  }
+};
+isValidExt = function (ext, ignoreExts, maxSize) {
+  if (ignoreExts == null) {
+    ignoreExts = [];
+  }
+  return ext && ext.length <= maxSize && indexOf.call(ignoreExts.map(function (e) {
+    return (e && e[0] !== "." ? "." : "") + e;
+  }), ext) < 0;
+};
+for (name in extraFunctions) {
+  if (!hasProp.call(extraFunctions, name))
+    continue;
+  extraFn = extraFunctions[name];
+  if (upath[name] !== void 0) {
+    throw new Error("path." + name + " already exists.");
+  } else {
+    upath[name] = extraFn;
+  }
+}
+
+;
\ No newline at end of file
diff --git a/node_modules/upath/package.json b/node_modules/upath/package.json
new file mode 100644
index 00000000..38f605b5
--- /dev/null
+++ b/node_modules/upath/package.json
@@ -0,0 +1,60 @@
+{
+  "name": "upath",
+  "description": "A proxy to `path`, replacing `\\` with `/` for all results & new methods to normalize & join keeping leading `./` and add, change, default, trim file extensions.",
+  "version": "1.2.0",
+  "homepage": "http://github.com/anodynos/upath/",
+  "author": {
+    "name": "Angelos Pikoulas",
+    "email": "agelos.pikoulas@gmail.com"
+  },
+  "license": "MIT",
+  "keywords": [
+    "path",
+    "unix",
+    "windows",
+    "extension",
+    "file extension",
+    "replace extension",
+    "change extension",
+    "trim extension",
+    "add extension",
+    "default extension"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/anodynos/upath"
+  },
+  "bugs": {
+    "url": "http://github.com/anodynos/upath/issues",
+    "email": "agelos.pikoulas@gmail.com"
+  },
+  "main": "./build/code/upath.js",
+  "types": "./upath.d.ts",
+  "preferGlobal": false,
+  "scripts": {
+    "test": "grunt",
+    "build": "grunt lib"
+  },
+  "directories": {
+    "doc": "./doc",
+    "dist": "./build"
+  },
+  "engines": {
+    "node": ">=4",
+    "yarn": "*"
+  },
+  "devDependencies": {
+    "chai": "~4.0.2",
+    "coffee-script": "1.12.6",
+    "grunt": "0.4.5",
+    "grunt-contrib-watch": "^1.1.0",
+    "grunt-urequire": "0.7.x",
+    "lodash": "^4.17.15",
+    "mocha": "~3.4.2",
+    "uberscore": "0.0.19",
+    "underscore.string": "^3.3.5",
+    "urequire": "0.7.0-beta.33",
+    "urequire-ab-specrunner": "^0.2.5",
+    "urequire-rc-inject-version": "^0.1.6"
+  }
+}
diff --git a/node_modules/upath/readme.md b/node_modules/upath/readme.md
new file mode 100644
index 00000000..21bd958f
--- /dev/null
+++ b/node_modules/upath/readme.md
@@ -0,0 +1,342 @@
+# upath v1.2.0
+
+[![Build Status](https://travis-ci.org/anodynos/upath.svg?branch=master)](https://travis-ci.org/anodynos/upath)
+[![Up to date Status](https://david-dm.org/anodynos/upath.png)](https://david-dm.org/anodynos/upath)
+
+A drop-in replacement / proxy to nodejs's `path` that:
+
+  * Replaces the windows `\` with the unix `/` in all string params & results. This has significant positives - see below.
+
+  * Adds **filename extensions** functions `addExt`, `trimExt`, `removeExt`, `changeExt`, and `defaultExt`.
+
+  * Add a `normalizeSafe` function to preserve any meaningful leading `./` & a `normalizeTrim` which additionally trims any useless ending `/`.
+
+  * Plus a helper `toUnix` that simply converts `\` to `/` and consolidates duplicates.
+
+**Useful note: these docs are actually auto generated from [specs](https://github.com/anodynos/upath/blob/master/source/spec/upath-spec.coffee), running on Linux.**
+
+Notes:
+
+ * `upath.sep` is set to `'/'` for seamless replacement (as of 1.0.3).
+
+ * upath has no runtime dependencies, except built-in `path` (as of 1.0.4)
+
+ * travis-ci tested in node versions 4 to 12
+      
+
+## Why ?
+
+Normal `path` doesn't convert paths to a unified format (ie `/`) before calculating paths (`normalize`, `join`), which can lead to numerous problems.
+Also path joining, normalization etc on the two formats is not consistent, depending on where it runs. Running `path` on Windows yields different results than when it runs on Linux / Mac.
+
+In general, if you code your paths logic while developing on Unix/Mac and it runs on Windows, you may run into problems when using `path`.
+
+Note that using **Unix `/` on Windows** works perfectly inside nodejs (and other languages), so there's no reason to stick to the Windows legacy at all.
+
+##### Examples / specs
+        
+
+Check out the different (improved) behavior to vanilla `path`:
+
+    `upath.normalize(path)`        --returns-->
+
+          ✓ `'c:/windows/nodejs/path'`           --->      `'c:/windows/nodejs/path'`  // equal to `path.normalize()`
+          ✓ `'c:/windows/../nodejs/path'`        --->              `'c:/nodejs/path'`  // equal to `path.normalize()`
+          ✓ `'c:\\windows\\nodejs\\path'`        --->      `'c:/windows/nodejs/path'`  // `path.normalize()` gives `'c:\windows\nodejs\path'`
+          ✓ `'c:\\windows\\..\\nodejs\\path'`    --->              `'c:/nodejs/path'`  // `path.normalize()` gives `'c:\windows\..\nodejs\path'`
+          ✓ `'//windows\\unix/mixed'`            --->         `'/windows/unix/mixed'`  // `path.normalize()` gives `'/windows\unix/mixed'`
+          ✓ `'\\windows//unix/mixed'`            --->         `'/windows/unix/mixed'`  // `path.normalize()` gives `'\windows/unix/mixed'`
+          ✓ `'////\\windows\\..\\unix/mixed/'`   --->                `'/unix/mixed/'`  // `path.normalize()` gives `'/\windows\..\unix/mixed/'`
+        
+
+Joining paths can also be a problem:
+
+    `upath.join(paths...)`        --returns-->
+
+          ✓ `'some/nodejs/deep', '../path'`       --->       `'some/nodejs/path'`  // equal to `path.join()`
+          ✓ `'some/nodejs\\windows', '../path'`   --->       `'some/nodejs/path'`  // `path.join()` gives `'some/path'`
+          ✓ `'some\\windows\\only', '..\\path'`   --->      `'some/windows/path'`  // `path.join()` gives `'some\windows\only/..\path'`
+        
+
+Parsing with `path.parse()` should also be consistent across OSes:
+
+  `upath.parse(path)`        --returns-->
+
+          ✓ `'c:\Windows\Directory\somefile.ext'`      ---> `{ root: '', dir: 'c:/Windows/Directory', base: 'somefile.ext', ext: '.ext', name: 'somefile' }`
+                                    // `path.parse()` gives `'{ root: '', dir: '', base: 'c:\\Windows\\Directory\\somefile.ext', ext: '.ext', name: 'c:\\Windows\\Directory\\somefile' }'`
+          ✓ `'/root/of/unix/somefile.ext'`             ---> `{ root: '/', dir: '/root/of/unix', base: 'somefile.ext', ext: '.ext', name: 'somefile' }`  // equal to `path.parse()`
+    
+
+## Added functions
+      
+
+#### `upath.toUnix(path)`
+
+Just converts all `` to `/` and consolidates duplicates, without performing any normalization.
+
+##### Examples / specs
+
+    `upath.toUnix(path)`        --returns-->
+
+        ✓ `'.//windows\//unix//mixed////'`      --->         `'./windows/unix/mixed/'`
+        ✓ `'..///windows\..\\unix/mixed'`       --->      `'../windows/../unix/mixed'`
+      
+
+#### `upath.normalizeSafe(path)`
+
+Exactly like `path.normalize(path)`, but it keeps the first meaningful `./`.
+
+Note that the unix `/` is returned everywhere, so windows `\` is always converted to unix `/`.
+
+##### Examples / specs & how it differs from vanilla `path`
+
+    `upath.normalizeSafe(path)`        --returns-->
+
+        ✓ `''`                               --->                          `'.'`  // equal to `path.normalize()`
+        ✓ `'.'`                              --->                          `'.'`  // equal to `path.normalize()`
+        ✓ `'./'`                             --->                         `'./'`  // equal to `path.normalize()`
+        ✓ `'.//'`                            --->                         `'./'`  // equal to `path.normalize()`
+        ✓ `'.\\'`                            --->                         `'./'`  // `path.normalize()` gives `'.\'`
+        ✓ `'.\\//'`                          --->                         `'./'`  // `path.normalize()` gives `'.\/'`
+        ✓ `'./..'`                           --->                         `'..'`  // equal to `path.normalize()`
+        ✓ `'.//..'`                          --->                         `'..'`  // equal to `path.normalize()`
+        ✓ `'./../'`                          --->                        `'../'`  // equal to `path.normalize()`
+        ✓ `'.\\..\\'`                        --->                        `'../'`  // `path.normalize()` gives `'.\..\'`
+        ✓ `'./../dep'`                       --->                     `'../dep'`  // equal to `path.normalize()`
+        ✓ `'../dep'`                         --->                     `'../dep'`  // equal to `path.normalize()`
+        ✓ `'../path/dep'`                    --->                `'../path/dep'`  // equal to `path.normalize()`
+        ✓ `'../path/../dep'`                 --->                     `'../dep'`  // equal to `path.normalize()`
+        ✓ `'dep'`                            --->                        `'dep'`  // equal to `path.normalize()`
+        ✓ `'path//dep'`                      --->                   `'path/dep'`  // equal to `path.normalize()`
+        ✓ `'./dep'`                          --->                      `'./dep'`  // `path.normalize()` gives `'dep'`
+        ✓ `'./path/dep'`                     --->                 `'./path/dep'`  // `path.normalize()` gives `'path/dep'`
+        ✓ `'./path/../dep'`                  --->                      `'./dep'`  // `path.normalize()` gives `'dep'`
+        ✓ `'.//windows\\unix/mixed/'`        --->      `'./windows/unix/mixed/'`  // `path.normalize()` gives `'windows\unix/mixed/'`
+        ✓ `'..//windows\\unix/mixed'`        --->      `'../windows/unix/mixed'`  // `path.normalize()` gives `'../windows\unix/mixed'`
+        ✓ `'windows\\unix/mixed/'`           --->        `'windows/unix/mixed/'`  // `path.normalize()` gives `'windows\unix/mixed/'`
+        ✓ `'..//windows\\..\\unix/mixed'`    --->              `'../unix/mixed'`  // `path.normalize()` gives `'../windows\..\unix/mixed'`
+      
+
+#### `upath.normalizeTrim(path)`
+
+Exactly like `path.normalizeSafe(path)`, but it trims any useless ending `/`.
+
+##### Examples / specs
+
+    `upath.normalizeTrim(path)`        --returns-->
+
+        ✓ `'./'`                          --->                         `'.'`  // `upath.normalizeSafe()` gives `'./'`
+        ✓ `'./../'`                       --->                        `'..'`  // `upath.normalizeSafe()` gives `'../'`
+        ✓ `'./../dep/'`                   --->                    `'../dep'`  // `upath.normalizeSafe()` gives `'../dep/'`
+        ✓ `'path//dep\\'`                 --->                  `'path/dep'`  // `upath.normalizeSafe()` gives `'path/dep/'`
+        ✓ `'.//windows\\unix/mixed/'`     --->      `'./windows/unix/mixed'`  // `upath.normalizeSafe()` gives `'./windows/unix/mixed/'`
+      
+
+#### `upath.joinSafe([path1][, path2][, ...])`
+
+Exactly like `path.join()`, but it keeps the first meaningful `./`.
+
+Note that the unix `/` is returned everywhere, so windows `\` is always converted to unix `/`.
+
+##### Examples / specs & how it differs from vanilla `path`
+
+    `upath.joinSafe(path)`        --returns-->
+
+        ✓ `'some/nodejs/deep', '../path'`                --->           `'some/nodejs/path'`  // equal to `path.join()`
+        ✓ `'./some/local/unix/', '../path'`              --->          `'./some/local/path'`  // `path.join()` gives `'some/local/path'`
+        ✓ `'./some\\current\\mixed', '..\\path'`         --->        `'./some/current/path'`  // `path.join()` gives `'some\current\mixed/..\path'`
+        ✓ `'../some/relative/destination', '..\\path'`   --->      `'../some/relative/path'`  // `path.join()` gives `'../some/relative/destination/..\path'`
+    
+
+## Added functions for *filename extension* manipulation.
+
+**Happy notes:**
+
+  In all functions you can:
+
+  * use both `.ext` & `ext` - the dot `.` on the extension is always adjusted correctly.
+
+  * omit the `ext` param (pass null/undefined/empty string) and the common sense thing will happen.
+
+  * ignore specific extensions from being considered as valid ones (eg `.min`, `.dev` `.aLongExtIsNotAnExt` etc), hence no trimming or replacement takes place on them.
+
+       
+
+#### `upath.addExt(filename, [ext])`
+
+Adds `.ext` to `filename`, but only if it doesn't already have the exact extension.
+
+##### Examples / specs
+
+    `upath.addExt(filename, 'js')`     --returns-->
+
+        ✓ `'myfile/addExt'`           --->           `'myfile/addExt.js'`
+        ✓ `'myfile/addExt.txt'`       --->       `'myfile/addExt.txt.js'`
+        ✓ `'myfile/addExt.js'`        --->           `'myfile/addExt.js'`
+        ✓ `'myfile/addExt.min.'`      --->      `'myfile/addExt.min..js'`
+        
+
+It adds nothing if no `ext` param is passed.
+
+    `upath.addExt(filename)`           --returns-->
+
+          ✓ `'myfile/addExt'`           --->              `'myfile/addExt'`
+          ✓ `'myfile/addExt.txt'`       --->          `'myfile/addExt.txt'`
+          ✓ `'myfile/addExt.js'`        --->           `'myfile/addExt.js'`
+          ✓ `'myfile/addExt.min.'`      --->         `'myfile/addExt.min.'`
+      
+
+#### `upath.trimExt(filename, [ignoreExts], [maxSize=7])`
+
+Trims a filename's extension.
+
+  * Extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+  * An `Array` of `ignoreExts` (eg `['.min']`) prevents these from being considered as extension, thus are not trimmed.
+
+##### Examples / specs
+
+    `upath.trimExt(filename)`          --returns-->
+
+        ✓ `'my/trimedExt.txt'`             --->                 `'my/trimedExt'`
+        ✓ `'my/trimedExt'`                 --->                 `'my/trimedExt'`
+        ✓ `'my/trimedExt.min'`             --->                 `'my/trimedExt'`
+        ✓ `'my/trimedExt.min.js'`          --->             `'my/trimedExt.min'`
+        ✓ `'../my/trimedExt.longExt'`      --->      `'../my/trimedExt.longExt'`
+        
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+    `upath.trimExt(filename, ['min', '.dev'], 8)`          --returns-->
+
+          ✓ `'my/trimedExt.txt'`              --->                  `'my/trimedExt'`
+          ✓ `'my/trimedExt.min'`              --->              `'my/trimedExt.min'`
+          ✓ `'my/trimedExt.dev'`              --->              `'my/trimedExt.dev'`
+          ✓ `'../my/trimedExt.longExt'`       --->               `'../my/trimedExt'`
+          ✓ `'../my/trimedExt.longRExt'`      --->      `'../my/trimedExt.longRExt'`
+      
+
+#### `upath.removeExt(filename, ext)`
+
+Removes the specific `ext` extension from filename, if it has it. Otherwise it leaves it as is.
+As in all upath functions, it be `.ext` or `ext`.
+
+##### Examples / specs
+
+    `upath.removeExt(filename, '.js')`          --returns-->
+
+        ✓ `'removedExt.js'`          --->          `'removedExt'`
+        ✓ `'removedExt.txt.js'`      --->      `'removedExt.txt'`
+        ✓ `'notRemoved.txt'`         --->      `'notRemoved.txt'`
+
+It does not care about the length of exts.
+
+    `upath.removeExt(filename, '.longExt')`          --returns-->
+
+        ✓ `'removedExt.longExt'`          --->          `'removedExt'`
+        ✓ `'removedExt.txt.longExt'`      --->      `'removedExt.txt'`
+        ✓ `'notRemoved.txt'`              --->      `'notRemoved.txt'`
+
+
+#### `upath.changeExt(filename, [ext], [ignoreExts], [maxSize=7])`
+
+Changes a filename's extension to `ext`. If it has no (valid) extension, it adds it.
+
+  * Valid extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+  * An `Array` of `ignoreExts` (eg `['.min']`) prevents these from being considered as extension, thus are not changed - the new extension is added instead.
+
+##### Examples / specs
+
+    `upath.changeExt(filename, '.js')`  --returns-->
+
+        ✓ `'my/module.min'`            --->                `'my/module.js'`
+        ✓ `'my/module.coffee'`         --->                `'my/module.js'`
+        ✓ `'my/module'`                --->                `'my/module.js'`
+        ✓ `'file/withDot.'`            --->             `'file/withDot.js'`
+        ✓ `'file/change.longExt'`      --->      `'file/change.longExt.js'`
+        
+
+If no `ext` param is given, it trims the current extension (if any).
+
+    `upath.changeExt(filename)`        --returns-->
+
+          ✓ `'my/module.min'`            --->                   `'my/module'`
+          ✓ `'my/module.coffee'`         --->                   `'my/module'`
+          ✓ `'my/module'`                --->                   `'my/module'`
+          ✓ `'file/withDot.'`            --->                `'file/withDot'`
+          ✓ `'file/change.longExt'`      --->         `'file/change.longExt'`
+        
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+    `upath.changeExt(filename, 'js', ['min', '.dev'], 8)`        --returns-->
+
+          ✓ `'my/module.coffee'`          --->                 `'my/module.js'`
+          ✓ `'file/notValidExt.min'`      --->      `'file/notValidExt.min.js'`
+          ✓ `'file/notValidExt.dev'`      --->      `'file/notValidExt.dev.js'`
+          ✓ `'file/change.longExt'`       --->               `'file/change.js'`
+          ✓ `'file/change.longRExt'`      --->      `'file/change.longRExt.js'`
+      
+
+#### `upath.defaultExt(filename, [ext], [ignoreExts], [maxSize=7])`
+
+Adds `.ext` to `filename`, only if it doesn't already have _any_ *old* extension.
+
+  * (Old) extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+  * An `Array` of `ignoreExts` (eg `['.min']`) will force adding default `.ext` even if one of these is present.
+
+##### Examples / specs
+
+    `upath.defaultExt(filename, 'js')`   --returns-->
+
+        ✓ `'fileWith/defaultExt'`              --->              `'fileWith/defaultExt.js'`
+        ✓ `'fileWith/defaultExt.js'`           --->              `'fileWith/defaultExt.js'`
+        ✓ `'fileWith/defaultExt.min'`          --->             `'fileWith/defaultExt.min'`
+        ✓ `'fileWith/defaultExt.longExt'`      --->      `'fileWith/defaultExt.longExt.js'`
+        
+
+If no `ext` param is passed, it leaves filename intact.
+
+    `upath.defaultExt(filename)`       --returns-->
+
+          ✓ `'fileWith/defaultExt'`              --->                 `'fileWith/defaultExt'`
+          ✓ `'fileWith/defaultExt.js'`           --->              `'fileWith/defaultExt.js'`
+          ✓ `'fileWith/defaultExt.min'`          --->             `'fileWith/defaultExt.min'`
+          ✓ `'fileWith/defaultExt.longExt'`      --->         `'fileWith/defaultExt.longExt'`
+        
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+    `upath.defaultExt(filename, 'js', ['min', '.dev'], 8)` --returns-->
+
+          ✓ `'fileWith/defaultExt'`               --->               `'fileWith/defaultExt.js'`
+          ✓ `'fileWith/defaultExt.min'`           --->           `'fileWith/defaultExt.min.js'`
+          ✓ `'fileWith/defaultExt.dev'`           --->           `'fileWith/defaultExt.dev.js'`
+          ✓ `'fileWith/defaultExt.longExt'`       --->          `'fileWith/defaultExt.longExt'`
+          ✓ `'fileWith/defaultExt.longRext'`      --->      `'fileWith/defaultExt.longRext.js'`
+
+
+Copyright(c) 2014-2019 Angelos Pikoulas (agelos.pikoulas@gmail.com)
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/upath/upath.d.ts b/node_modules/upath/upath.d.ts
new file mode 100644
index 00000000..778d70a8
--- /dev/null
+++ b/node_modules/upath/upath.d.ts
@@ -0,0 +1,239 @@
+declare module "upath" {
+
+  /**
+   * A parsed path object generated by path.parse() or consumed by path.format().
+   */
+  export interface ParsedPath {
+    /**
+     * The root of the path such as '/' or 'c:\'
+     */
+    root: string;
+    /**
+     * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+     */
+    dir: string;
+    /**
+     * The file name including extension (if any) such as 'index.html'
+     */
+    base: string;
+    /**
+     * The file extension (if any) such as '.html'
+     */
+    ext: string;
+    /**
+     * The file name without extension (if any) such as 'index'
+     */
+    name: string;
+  }
+
+  /**
+   * Version of the library
+   */
+  export var VERSION: string;
+
+  /**
+   * Just converts all `to/` and consolidates duplicates, without performing any normalization.
+   *
+   * @param p string path to convert to unix.
+   */
+  export function toUnix(p: string): string;
+
+  /**
+   * Exactly like path.normalize(path), but it keeps the first meaningful ./.
+   *
+   * Note that the unix / is returned everywhere, so windows \ is always converted to unix /.
+   *
+   * @param p string path to normalize.
+   */
+  export function normalizeSafe(p: string): string;
+
+  /**
+   * Exactly like path.normalizeSafe(path), but it trims any useless ending /.
+   *
+   * @param p string path to normalize
+   */
+  export function normalizeTrim(p: string): string;
+
+  /**
+   * Exactly like path.join(), but it keeps the first meaningful ./.
+   *
+   * Note that the unix / is returned everywhere, so windows \ is always converted to unix /.
+   *
+   * @param paths string paths to join
+   */
+  export function joinSafe(...p: any[]): string;
+
+  /**
+   * Adds .ext to filename, but only if it doesn't already have the exact extension.
+   *
+   * @param file string filename to add extension to
+   * @param ext string extension to add
+   */
+  export function addExt(file: string, ext: string): string;
+
+  /**
+   * Trims a filename's extension.
+   *
+   * Extensions are considered to be up to maxSize chars long, counting the dot (defaults to 7).
+   *
+   * An Array of ignoreExts (eg ['.min']) prevents these from being considered as extension, thus are not trimmed.
+   *
+   * @param filename string filename to trim it's extension
+   * @param ignoreExts array extensions to ignore
+   * @param maxSize number max length of the extension
+   */
+  export function trimExt(filename: string, ignoreExts?: string[], maxSize?: number): string;
+
+  /**
+   * Removes the specific ext extension from filename, if it has it. Otherwise it leaves it as is. As in all upath functions, it be .ext or ext.
+   *
+   * @param file string filename to remove extension to
+   * @param ext string extension to remove
+   */
+  export function removeExt(filename: string, ext: string): string;
+
+  /**
+   * Changes a filename's extension to ext. If it has no (valid) extension, it adds it.
+   *
+   * Valid extensions are considered to be up to maxSize chars long, counting the dot (defaults to 7).
+   *
+   * An Array of ignoreExts (eg ['.min']) prevents these from being considered as extension, thus are not changed - the new extension is added instead.
+   *
+   * @param filename string filename to change it's extension
+   * @param ext string extension to change to
+   * @param ignoreExts array extensions to ignore
+   * @param maxSize number max length of the extension
+   */
+  export function changeExt(filename: string, ext: string, ignoreExts?: string[], maxSize?: number): string;
+
+  /**
+   * Adds .ext to filename, only if it doesn't already have any old extension.
+   *
+   * (Old) extensions are considered to be up to maxSize chars long, counting the dot (defaults to 7).
+   *
+   * An Array of ignoreExts (eg ['.min']) will force adding default .ext even if one of these is present.
+   *
+   * @param filename string filename to default to it's extension
+   * @param ext string extension to default to
+   * @param ignoreExts array extensions to ignore
+   * @param maxSize number max length of the extension
+   */
+  export function defaultExt(filename: string, ext: string, ignoreExts?: string[], maxSize?: number): string;
+
+  /**
+   * Normalize a string path, reducing '..' and '.' parts.
+   * When multiple slashes are found, they're replaced by a single one; when the path contains a trailing slash, it is preserved. On Windows backslashes are used.
+   *
+   * @param p string path to normalize.
+   */
+  export function normalize(p: string): string;
+  /**
+   * Join all arguments together and normalize the resulting path.
+   * Arguments must be strings. In v0.8, non-string arguments were silently ignored. In v0.10 and up, an exception is thrown.
+   *
+   * @param paths string paths to join.
+   */
+  export function join(...paths: any[]): string;
+  /**
+   * Join all arguments together and normalize the resulting path.
+   * Arguments must be strings. In v0.8, non-string arguments were silently ignored. In v0.10 and up, an exception is thrown.
+   *
+   * @param paths string paths to join.
+   */
+  export function join(...paths: string[]): string;
+  /**
+   * The right-most parameter is considered {to}.  Other parameters are considered an array of {from}.
+   *
+   * Starting from leftmost {from} parameter, resolves {to} to an absolute path.
+   *
+   * If {to} isn't already absolute, {from} arguments are prepended in right to left order, until an absolute path is found. If after using all {from} paths still no absolute path is found, the current working directory is used as well. The resulting path is normalized, and trailing slashes are removed unless the path gets resolved to the root directory.
+   *
+   * @param pathSegments string paths to join.  Non-string arguments are ignored.
+   */
+  export function resolve(...pathSegments: any[]): string;
+  /**
+   * Determines whether {path} is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory.
+   *
+   * @param path path to test.
+   */
+  export function isAbsolute(path: string): boolean;
+  /**
+   * Solve the relative path from {from} to {to}.
+   * At times we have two absolute paths, and we need to derive the relative path from one to the other. This is actually the reverse transform of path.resolve.
+   *
+   * @param from
+   * @param to
+   */
+  export function relative(from: string, to: string): string;
+  /**
+   * Return the directory name of a path. Similar to the Unix dirname command.
+   *
+   * @param p the path to evaluate.
+   */
+  export function dirname(p: string): string;
+  /**
+   * Return the last portion of a path. Similar to the Unix basename command.
+   * Often used to extract the file name from a fully qualified path.
+   *
+   * @param p the path to evaluate.
+   * @param ext optionally, an extension to remove from the result.
+   */
+  export function basename(p: string, ext?: string): string;
+  /**
+   * Return the extension of the path, from the last '.' to end of string in the last portion of the path.
+   * If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string
+   *
+   * @param p the path to evaluate.
+   */
+  export function extname(p: string): string;
+  /**
+   * The platform-specific file separator. '\\' or '/'.
+   */
+  export var sep: string;
+  /**
+   * The platform-specific file delimiter. ';' or ':'.
+   */
+  export var delimiter: string;
+  /**
+   * Returns an object from a path string - the opposite of format().
+   *
+   * @param pathString path to evaluate.
+   */
+  export function parse(pathString: string): ParsedPath;
+  /**
+   * Returns a path string from an object - the opposite of parse().
+   *
+   * @param pathString path to evaluate.
+   */
+  export function format(pathObject: ParsedPath): string;
+
+  export module posix {
+    export function normalize(p: string): string;
+    export function join(...paths: any[]): string;
+    export function resolve(...pathSegments: any[]): string;
+    export function isAbsolute(p: string): boolean;
+    export function relative(from: string, to: string): string;
+    export function dirname(p: string): string;
+    export function basename(p: string, ext?: string): string;
+    export function extname(p: string): string;
+    export var sep: string;
+    export var delimiter: string;
+    export function parse(p: string): ParsedPath;
+    export function format(pP: ParsedPath): string;
+  }
+
+  export module win32 {
+    export function normalize(p: string): string;
+    export function join(...paths: any[]): string;
+    export function resolve(...pathSegments: any[]): string;
+    export function isAbsolute(p: string): boolean;
+    export function relative(from: string, to: string): string;
+    export function dirname(p: string): string;
+    export function basename(p: string, ext?: string): string;
+    export function extname(p: string): string;
+    export var sep: string;
+    export var delimiter: string;
+    export function parse(p: string): ParsedPath;
+    export function format(pP: ParsedPath): string;
+  }
+}
diff --git a/node_modules/uri-js/LICENSE b/node_modules/uri-js/LICENSE
new file mode 100644
index 00000000..9338bde8
--- /dev/null
+++ b/node_modules/uri-js/LICENSE
@@ -0,0 +1,11 @@
+Copyright 2011 Gary Court. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1.	Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2.	Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY GARY COURT "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of Gary Court.
diff --git a/node_modules/uri-js/README.md b/node_modules/uri-js/README.md
new file mode 100644
index 00000000..43e648bb
--- /dev/null
+++ b/node_modules/uri-js/README.md
@@ -0,0 +1,203 @@
+# URI.js
+
+URI.js is an [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt) compliant, scheme extendable URI parsing/validating/resolving library for all JavaScript environments (browsers, Node.js, etc).
+It is also compliant with the IRI ([RFC 3987](http://www.ietf.org/rfc/rfc3987.txt)), IDNA ([RFC 5890](http://www.ietf.org/rfc/rfc5890.txt)), IPv6 Address ([RFC 5952](http://www.ietf.org/rfc/rfc5952.txt)), IPv6 Zone Identifier ([RFC 6874](http://www.ietf.org/rfc/rfc6874.txt)) specifications.
+
+URI.js has an extensive test suite, and works in all (Node.js, web) environments. It weighs in at 6.4kb (gzipped, 17kb deflated).
+
+## API
+
+### Parsing
+
+	URI.parse("uri://user:pass@example.com:123/one/two.three?q1=a1&q2=a2#body");
+	//returns:
+	//{
+	//  scheme : "uri",
+	//  userinfo : "user:pass",
+	//  host : "example.com",
+	//  port : 123,
+	//  path : "/one/two.three",
+	//  query : "q1=a1&q2=a2",
+	//  fragment : "body"
+	//}
+
+### Serializing
+
+	URI.serialize({scheme : "http", host : "example.com", fragment : "footer"}) === "http://example.com/#footer"
+
+### Resolving
+
+	URI.resolve("uri://a/b/c/d?q", "../../g") === "uri://a/g"
+
+### Normalizing
+
+	URI.normalize("HTTP://ABC.com:80/%7Esmith/home.html") === "http://abc.com/~smith/home.html"
+
+### Comparison
+
+	URI.equal("example://a/b/c/%7Bfoo%7D", "eXAMPLE://a/./b/../b/%63/%7bfoo%7d") === true
+
+### IP Support
+
+	//IPv4 normalization
+	URI.normalize("//192.068.001.000") === "//192.68.1.0"
+
+	//IPv6 normalization
+	URI.normalize("//[2001:0:0DB8::0:0001]") === "//[2001:0:db8::1]"
+
+	//IPv6 zone identifier support
+	URI.parse("//[2001:db8::7%25en1]");
+	//returns:
+	//{
+	//  host : "2001:db8::7%en1"
+	//}
+
+### IRI Support
+
+	//convert IRI to URI
+	URI.serialize(URI.parse("http://examplé.org/rosé")) === "http://xn--exampl-gva.org/ros%C3%A9"
+	//convert URI to IRI
+	URI.serialize(URI.parse("http://xn--exampl-gva.org/ros%C3%A9"), {iri:true}) === "http://examplé.org/rosé"
+
+### Options
+
+All of the above functions can accept an additional options argument that is an object that can contain one or more of the following properties:
+
+*	`scheme` (string)
+
+	Indicates the scheme that the URI should be treated as, overriding the URI's normal scheme parsing behavior.
+
+*	`reference` (string)
+
+	If set to `"suffix"`, it indicates that the URI is in the suffix format, and the validator will use the option's `scheme` property to determine the URI's scheme.
+
+*	`tolerant` (boolean, false)
+
+	If set to `true`, the parser will relax URI resolving rules.
+
+*	`absolutePath` (boolean, false)
+
+	If set to `true`, the serializer will not resolve a relative `path` component.
+
+*	`iri` (boolean, false)
+
+	If set to `true`, the serializer will unescape non-ASCII characters as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt).
+
+*	`unicodeSupport` (boolean, false)
+
+	If set to `true`, the parser will unescape non-ASCII characters in the parsed output as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt).
+
+*	`domainHost` (boolean, false)
+
+	If set to `true`, the library will treat the `host` component as a domain name, and convert IDNs (International Domain Names) as per [RFC 5891](http://www.ietf.org/rfc/rfc5891.txt).
+
+## Scheme Extendable
+
+URI.js supports inserting custom [scheme](http://en.wikipedia.org/wiki/URI_scheme) dependent processing rules. Currently, URI.js has built in support for the following schemes:
+
+*	http \[[RFC 2616](http://www.ietf.org/rfc/rfc2616.txt)\]
+*	https \[[RFC 2818](http://www.ietf.org/rfc/rfc2818.txt)\]
+*	ws \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
+*	wss \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
+*	mailto \[[RFC 6068](http://www.ietf.org/rfc/rfc6068.txt)\]
+*	urn \[[RFC 2141](http://www.ietf.org/rfc/rfc2141.txt)\]
+*	urn:uuid \[[RFC 4122](http://www.ietf.org/rfc/rfc4122.txt)\]
+
+### HTTP/HTTPS Support
+
+	URI.equal("HTTP://ABC.COM:80", "http://abc.com/") === true
+	URI.equal("https://abc.com", "HTTPS://ABC.COM:443/") === true
+
+### WS/WSS Support
+
+	URI.parse("wss://example.com/foo?bar=baz");
+	//returns:
+	//{
+	//	scheme : "wss",
+	//	host: "example.com",
+	//	resourceName: "/foo?bar=baz",
+	//	secure: true,
+	//}
+
+	URI.equal("WS://ABC.COM:80/chat#one", "ws://abc.com/chat") === true
+
+### Mailto Support
+
+	URI.parse("mailto:alpha@example.com,bravo@example.com?subject=SUBSCRIBE&body=Sign%20me%20up!");
+	//returns:
+	//{
+	//	scheme : "mailto",
+	//	to : ["alpha@example.com", "bravo@example.com"],
+	//	subject : "SUBSCRIBE",
+	//	body : "Sign me up!"
+	//}
+
+	URI.serialize({
+		scheme : "mailto",
+		to : ["alpha@example.com"],
+		subject : "REMOVE",
+		body : "Please remove me",
+		headers : {
+			cc : "charlie@example.com"
+		}
+	}) === "mailto:alpha@example.com?cc=charlie@example.com&subject=REMOVE&body=Please%20remove%20me"
+
+### URN Support
+
+	URI.parse("urn:example:foo");
+	//returns:
+	//{
+	//	scheme : "urn",
+	//	nid : "example",
+	//	nss : "foo",
+	//}
+
+#### URN UUID Support
+
+	URI.parse("urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6");
+	//returns:
+	//{
+	//	scheme : "urn",
+	//	nid : "uuid",
+	//	uuid : "f81d4fae-7dec-11d0-a765-00a0c91e6bf6",
+	//}
+
+## Usage
+
+To load in a browser, use the following tag:
+
+	<script type="text/javascript" src="uri-js/dist/es5/uri.all.min.js"></script>
+
+To load in a CommonJS/Module environment, first install with npm/yarn by running on the command line:
+
+	npm install uri-js
+	# OR
+	yarn add uri-js
+
+Then, in your code, load it using:
+
+	const URI = require("uri-js");
+
+If you are writing your code in ES6+ (ESNEXT) or TypeScript, you would load it using:
+
+	import * as URI from "uri-js";
+
+Or you can load just what you need using named exports:
+
+	import { parse, serialize, resolve, resolveComponents, normalize, equal, removeDotSegments, pctEncChar, pctDecChars, escapeComponent, unescapeComponent } from "uri-js";
+
+## Breaking changes
+
+### Breaking changes from 3.x
+
+URN parsing has been completely changed to better align with the specification. Scheme is now always `urn`, but has two new properties: `nid` which contains the Namspace Identifier, and `nss` which contains the Namespace Specific String. The `nss` property will be removed by higher order scheme handlers, such as the UUID URN scheme handler.
+
+The UUID of a URN can now be found in the `uuid` property.
+
+### Breaking changes from 2.x
+
+URI validation has been removed as it was slow, exposed a vulnerabilty, and was generally not useful.
+
+### Breaking changes from 1.x
+
+The `errors` array on parsed components is now an `error` string.
diff --git a/node_modules/uri-js/package.json b/node_modules/uri-js/package.json
new file mode 100644
index 00000000..de95d91a
--- /dev/null
+++ b/node_modules/uri-js/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "uri-js",
+  "version": "4.4.1",
+  "description": "An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.",
+  "main": "dist/es5/uri.all.js",
+  "types": "dist/es5/uri.all.d.ts",
+  "directories": {
+    "test": "tests"
+  },
+  "files": [
+    "dist",
+    "package.json",
+    "yarn.lock",
+    "README.md",
+    "CHANGELOG",
+    "LICENSE"
+  ],
+  "scripts": {
+    "build:esnext": "tsc",
+    "build:es5": "rollup -c && cp dist/esnext/uri.d.ts dist/es5/uri.all.d.ts && npm run build:es5:fix-sourcemap",
+    "build:es5:fix-sourcemap": "sorcery -i dist/es5/uri.all.js",
+    "build:es5:min": "uglifyjs dist/es5/uri.all.js --support-ie8 --output dist/es5/uri.all.min.js --in-source-map dist/es5/uri.all.js.map --source-map uri.all.min.js.map --comments --compress --mangle --pure-funcs merge subexp && mv uri.all.min.js.map dist/es5/ && cp dist/es5/uri.all.d.ts dist/es5/uri.all.min.d.ts",
+    "build": "npm run build:esnext && npm run build:es5 && npm run build:es5:min",
+    "clean": "rm -rf dist",
+    "test": "mocha -u mocha-qunit-ui dist/es5/uri.all.js tests/tests.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/garycourt/uri-js"
+  },
+  "keywords": [
+    "URI",
+    "IRI",
+    "IDN",
+    "URN",
+    "UUID",
+    "HTTP",
+    "HTTPS",
+    "WS",
+    "WSS",
+    "MAILTO",
+    "RFC3986",
+    "RFC3987",
+    "RFC5891",
+    "RFC2616",
+    "RFC2818",
+    "RFC2141",
+    "RFC4122",
+    "RFC4291",
+    "RFC5952",
+    "RFC6068",
+    "RFC6455",
+    "RFC6874"
+  ],
+  "author": "Gary Court <gary.court@gmail.com>",
+  "license": "BSD-2-Clause",
+  "bugs": {
+    "url": "https://github.com/garycourt/uri-js/issues"
+  },
+  "homepage": "https://github.com/garycourt/uri-js",
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-preset-latest": "^6.24.1",
+    "mocha": "^8.2.1",
+    "mocha-qunit-ui": "^0.1.3",
+    "rollup": "^0.41.6",
+    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-node-resolve": "^2.0.0",
+    "sorcery": "^0.10.0",
+    "typescript": "^2.8.1",
+    "uglify-js": "^2.8.14"
+  },
+  "dependencies": {
+    "punycode": "^2.1.0"
+  }
+}
diff --git a/node_modules/uri-js/yarn.lock b/node_modules/uri-js/yarn.lock
new file mode 100644
index 00000000..3c42ded1
--- /dev/null
+++ b/node_modules/uri-js/yarn.lock
@@ -0,0 +1,2558 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@ungap/promise-all-settled@1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz#aa58042711d6e3275dd37dc597e5d31e8c290a44"
+  integrity sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==
+
+align-text@^0.1.1, align-text@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
+  dependencies:
+    kind-of "^3.0.2"
+    longest "^1.0.1"
+    repeat-string "^1.5.2"
+
+ansi-colors@4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
+  integrity sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+  integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
+
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
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+
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+
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+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
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+    normalize-path "^2.0.0"
+
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+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
+  dependencies:
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
+chalk@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.0.tgz#4e14870a618d9e2edd97dd8345fd9d9dc315646a"
+  integrity sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
+chokidar@3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.3.tgz#c1df38231448e45ca4ac588e6c79573ba6a57d5b"
+  integrity sha512-DtM3g7juCXQxFVSNPNByEC2+NImtBuxQQvWlHunpJIS5Ocr0lG306cC7FCi7cEA0fzmybPUIl4txBIobk1gGOQ==
+  dependencies:
+    anymatch "~3.1.1"
+    braces "~3.0.2"
+    glob-parent "~5.1.0"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.5.0"
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+chokidar@^1.6.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
+  integrity sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=
+  dependencies:
+    anymatch "^1.3.0"
+    async-each "^1.0.0"
+    glob-parent "^2.0.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^2.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+  optionalDependencies:
+    fsevents "^1.0.0"
+
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
+cliui@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
+  dependencies:
+    center-align "^0.1.1"
+    right-align "^0.1.1"
+    wordwrap "0.0.2"
+
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  integrity sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+commander@^2.11.0:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
+component-emitter@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+  integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+convert-source-map@^1.5.0, convert-source-map@^1.5.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
+  dependencies:
+    safe-buffer "~5.1.1"
+
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+core-js@^2.4.0, core-js@^2.5.0:
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
+debug@4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.2.0.tgz#7f150f93920e94c58f5574c2fd01a3110effe7f1"
+  integrity sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==
+  dependencies:
+    ms "2.1.2"
+
+debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+decamelize@^1.0.0, decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+decamelize@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-4.0.0.tgz#aa472d7bf660eb15f3494efd531cab7f2a709837"
+  integrity sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
+    is-descriptor "^0.1.0"
+
+define-property@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-1.0.0.tgz#769ebaaf3f4a63aad3af9e8d304c9bbe79bfb0e6"
+  integrity sha1-dp66rz9KY6rTr56NMEybvnm/sOY=
+  dependencies:
+    is-descriptor "^1.0.0"
+
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  integrity sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
+detect-indent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
+  integrity sha1-920GQ1LN9Docts5hnE7jqUdd4gg=
+  dependencies:
+    repeating "^2.0.0"
+
+diff@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+  integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
+
+es6-promise@^3.1.2:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
+
+escape-string-regexp@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
+  integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
+
+escape-string-regexp@^1.0.2:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+
+estree-walker@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+
+esutils@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+
+expand-brackets@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
+  integrity sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=
+  dependencies:
+    is-posix-bracket "^0.1.0"
+
+expand-brackets@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
+  integrity sha1-t3c14xXOMPa27/D4OwQVGiJEliI=
+  dependencies:
+    debug "^2.3.3"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    posix-character-classes "^0.1.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+expand-range@^1.8.1:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
+  integrity sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=
+  dependencies:
+    fill-range "^2.1.0"
+
+extend-shallow@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
+  integrity sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=
+  dependencies:
+    is-extendable "^0.1.0"
+
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
+  integrity sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=
+  dependencies:
+    assign-symbols "^1.0.0"
+    is-extendable "^1.0.1"
+
+extglob@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
+  integrity sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=
+  dependencies:
+    is-extglob "^1.0.0"
+
+extglob@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  integrity sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==
+  dependencies:
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    expand-brackets "^2.1.4"
+    extend-shallow "^2.0.1"
+    fragment-cache "^0.2.1"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+file-uri-to-path@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
+  integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
+
+filename-regex@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
+  integrity sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY=
+
+fill-range@^2.1.0:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.4.tgz#eb1e773abb056dcd8df2bfdf6af59b8b3a936565"
+  integrity sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==
+  dependencies:
+    is-number "^2.1.0"
+    isobject "^2.0.0"
+    randomatic "^3.0.0"
+    repeat-element "^1.1.2"
+    repeat-string "^1.5.2"
+
+fill-range@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
+  integrity sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+    to-regex-range "^2.1.0"
+
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
+find-up@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-5.0.0.tgz#4c92819ecb7083561e4f4a240a86be5198f536fc"
+  integrity sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==
+  dependencies:
+    locate-path "^6.0.0"
+    path-exists "^4.0.0"
+
+find-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
+  integrity sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==
+  dependencies:
+    locate-path "^3.0.0"
+
+flat@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
+
+for-in@^1.0.1, for-in@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
+
+for-own@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
+  integrity sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=
+  dependencies:
+    for-in "^1.0.1"
+
+fragment-cache@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
+  integrity sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=
+  dependencies:
+    map-cache "^0.2.2"
+
+fs-readdir-recursive@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz#e32fc030a2ccee44a6b5371308da54be0b397d27"
+  integrity sha512-GNanXlVr2pf02+sPN40XN8HG+ePaNcvM0q5mZBd668Obwb0yD5GiUbZOFgwn8kGMY6I3mdyDJzieUy3PTYyTRA==
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+fsevents@^1.0.0:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.13.tgz#f325cb0455592428bcf11b383370ef70e3bfcc38"
+  integrity sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==
+  dependencies:
+    bindings "^1.5.0"
+    nan "^2.12.1"
+
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-value@^2.0.3, get-value@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+  integrity sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=
+
+glob-base@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
+  integrity sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=
+  dependencies:
+    glob-parent "^2.0.0"
+    is-glob "^2.0.0"
+
+glob-parent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-2.0.0.tgz#81383d72db054fcccf5336daa902f182f6edbb28"
+  integrity sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=
+  dependencies:
+    is-glob "^2.0.0"
+
+glob-parent@~5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.1.tgz#b6c1ef417c4e5663ea498f1c45afac6916bbc229"
+  integrity sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@7.1.6, glob@^7.1.2, glob@^7.1.3:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^9.18.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
+
+graceful-fs@^4.1.11, graceful-fs@^4.1.4:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
+
+graceful-fs@^4.1.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
+
+growl@1.10.5:
+  version "1.10.5"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
+  integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
+has-value@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
+  integrity sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=
+  dependencies:
+    get-value "^2.0.3"
+    has-values "^0.1.4"
+    isobject "^2.0.0"
+
+has-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-1.0.0.tgz#18b281da585b1c5c51def24c930ed29a0be6b177"
+  integrity sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=
+  dependencies:
+    get-value "^2.0.6"
+    has-values "^1.0.0"
+    isobject "^3.0.0"
+
+has-values@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
+  integrity sha1-bWHeldkd/Km5oCCJrThL/49it3E=
+
+has-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-1.0.0.tgz#95b0b63fec2146619a6fe57fe75628d5a39efe4f"
+  integrity sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=
+  dependencies:
+    is-number "^3.0.0"
+    kind-of "^4.0.0"
+
+he@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  integrity sha1-42w/LSyufXRqhX440Y1fMqeILbg=
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+invariant@^2.2.2:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
+  dependencies:
+    loose-envify "^1.0.0"
+
+is-accessor-descriptor@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
+  integrity sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-accessor-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz#169c2f6d3df1f992618072365c9b0ea1f6878656"
+  integrity sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  integrity sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=
+  dependencies:
+    binary-extensions "^1.0.0"
+
+is-binary-path@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
+  dependencies:
+    binary-extensions "^2.0.0"
+
+is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+is-data-descriptor@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
+  integrity sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-data-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz#d84876321d0e7add03990406abbbbd36ba9268c7"
+  integrity sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-descriptor@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
+  integrity sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==
+  dependencies:
+    is-accessor-descriptor "^0.1.6"
+    is-data-descriptor "^0.1.4"
+    kind-of "^5.0.0"
+
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
+  integrity sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==
+  dependencies:
+    is-accessor-descriptor "^1.0.0"
+    is-data-descriptor "^1.0.0"
+    kind-of "^6.0.2"
+
+is-dotfile@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
+  integrity sha1-pqLzL/0t+wT1yiXs0Pa4PPeYoeE=
+
+is-equal-shallow@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
+  integrity sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=
+  dependencies:
+    is-primitive "^2.0.0"
+
+is-extendable@^0.1.0, is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extendable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
+  dependencies:
+    is-plain-object "^2.0.4"
+
+is-extglob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
+  integrity sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-finite@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.1.0.tgz#904135c77fb42c0641d6aa1bcdbc4daa8da082f3"
+  integrity sha512-cdyMtqX/BOqqNBBiKlIVkytNHm49MtMlYyn1zxzvJKWmFMlGzm+ry5BBfYyeY9YmNKbRSo/o7OX9w9ale0wg3w==
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-glob@^2.0.0, is-glob@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
+  integrity sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=
+  dependencies:
+    is-extglob "^1.0.0"
+
+is-glob@^4.0.1, is-glob@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-number@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
+  integrity sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
+  integrity sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
+is-plain-obj@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-2.1.0.tgz#45e42e37fccf1f40da8e5f76ee21515840c09287"
+  integrity sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==
+
+is-plain-object@^2.0.3, is-plain-object@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
+  dependencies:
+    isobject "^3.0.1"
+
+is-posix-bracket@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+  integrity sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q=
+
+is-primitive@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
+  integrity sha1-IHurkWOEmcB7Kt8kCkGochADRXU=
+
+is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+  integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
+
+isarray@1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
+
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  integrity sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=
+  dependencies:
+    isarray "1.0.0"
+
+isobject@^3.0.0, isobject@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
+
+"js-tokens@^3.0.0 || ^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+
+js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
+
+js-yaml@3.14.0:
+  version "3.14.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
+  integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+jsesc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+  integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
+
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+
+json5@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
+
+kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  integrity sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-4.0.0.tgz#20813df3d712928b207378691a45066fae72dd57"
+  integrity sha1-IIE989cSkosgc3hpGkUGb65y3Vc=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
+  integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
+
+kind-of@^6.0.0, kind-of@^6.0.2:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
+  integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+locate-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
+  integrity sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==
+  dependencies:
+    p-locate "^3.0.0"
+    path-exists "^3.0.0"
+
+locate-path@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-6.0.0.tgz#55321eb309febbc59c4801d931a72452a681d286"
+  integrity sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==
+  dependencies:
+    p-locate "^5.0.0"
+
+lodash@^4.17.4:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
+log-symbols@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-4.0.0.tgz#69b3cc46d20f448eccdb75ea1fa733d9e821c920"
+  integrity sha512-FN8JBzLx6CzeMrB0tg6pqlGU1wCrXW+ZXGH481kfsBqer0hToTIiHdjH4Mq8xJUbvATujKCvaREGWpGUionraA==
+  dependencies:
+    chalk "^4.0.0"
+
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
+loose-envify@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
+  dependencies:
+    js-tokens "^3.0.0 || ^4.0.0"
+
+map-cache@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
+  integrity sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=
+
+map-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
+  integrity sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=
+  dependencies:
+    object-visit "^1.0.0"
+
+math-random@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
+  integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
+
+micromatch@^2.1.5:
+  version "2.3.11"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
+  integrity sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=
+  dependencies:
+    arr-diff "^2.0.0"
+    array-unique "^0.2.1"
+    braces "^1.8.2"
+    expand-brackets "^0.1.4"
+    extglob "^0.3.1"
+    filename-regex "^2.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.1"
+    kind-of "^3.0.2"
+    normalize-path "^2.0.1"
+    object.omit "^2.0.0"
+    parse-glob "^3.0.4"
+    regex-cache "^0.4.2"
+
+micromatch@^3.1.10:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
+minimatch@3.0.4, minimatch@^3.0.2, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mixin-deep@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
+  dependencies:
+    for-in "^1.0.2"
+    is-extendable "^1.0.1"
+
+mkdirp@^0.5.1:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
+mocha-qunit-ui@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/mocha-qunit-ui/-/mocha-qunit-ui-0.1.3.tgz#e3e1ff1dac33222b10cef681efd7f82664141ea9"
+
+mocha@^8.2.1:
+  version "8.2.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.2.1.tgz#f2fa68817ed0e53343d989df65ccd358bc3a4b39"
+  integrity sha512-cuLBVfyFfFqbNR0uUKbDGXKGk+UDFe6aR4os78XIrMQpZl/nv7JYHcvP5MFIAb374b2zFXsdgEGwmzMtP0Xg8w==
+  dependencies:
+    "@ungap/promise-all-settled" "1.1.2"
+    ansi-colors "4.1.1"
+    browser-stdout "1.3.1"
+    chokidar "3.4.3"
+    debug "4.2.0"
+    diff "4.0.2"
+    escape-string-regexp "4.0.0"
+    find-up "5.0.0"
+    glob "7.1.6"
+    growl "1.10.5"
+    he "1.2.0"
+    js-yaml "3.14.0"
+    log-symbols "4.0.0"
+    minimatch "3.0.4"
+    ms "2.1.2"
+    nanoid "3.1.12"
+    serialize-javascript "5.0.1"
+    strip-json-comments "3.1.1"
+    supports-color "7.2.0"
+    which "2.0.2"
+    wide-align "1.1.3"
+    workerpool "6.0.2"
+    yargs "13.3.2"
+    yargs-parser "13.1.2"
+    yargs-unparser "2.0.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+nan@^2.12.1:
+  version "2.14.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
+  integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
+
+nanoid@3.1.12:
+  version "3.1.12"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.12.tgz#6f7736c62e8d39421601e4a0c77623a97ea69654"
+  integrity sha512-1qstj9z5+x491jfiC4Nelk+f8XBad7LN20PmyWINJEMRSf3wcAjAWysw1qaA8z6NSKe2sjq1hRSDpBH5paCb6A==
+
+nanomatch@^1.2.9:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
+  integrity sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+normalize-path@^2.0.0, normalize-path@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
+  dependencies:
+    remove-trailing-separator "^1.0.1"
+
+normalize-path@^3.0.0, normalize-path@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+object-copy@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
+  integrity sha1-fn2Fi3gb18mRpBupde04EnVOmYw=
+  dependencies:
+    copy-descriptor "^0.1.0"
+    define-property "^0.2.5"
+    kind-of "^3.0.3"
+
+object-visit@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
+  integrity sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=
+  dependencies:
+    isobject "^3.0.0"
+
+object.omit@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
+  integrity sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=
+  dependencies:
+    for-own "^0.1.4"
+    is-extendable "^0.1.1"
+
+object.pick@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
+  integrity sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=
+  dependencies:
+    isobject "^3.0.1"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
+
+os-tmpdir@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+
+output-file-sync@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-1.1.2.tgz#d0a33eefe61a205facb90092e826598d5245ce76"
+  integrity sha1-0KM+7+YaIF+suQCS6CZZjVJFznY=
+  dependencies:
+    graceful-fs "^4.1.4"
+    mkdirp "^0.5.1"
+    object-assign "^4.1.0"
+
+p-limit@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
+p-limit@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-3.1.0.tgz#e1daccbe78d0d1388ca18c64fea38e3e57e3706b"
+  integrity sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==
+  dependencies:
+    yocto-queue "^0.1.0"
+
+p-locate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
+  integrity sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==
+  dependencies:
+    p-limit "^2.0.0"
+
+p-locate@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-5.0.0.tgz#83c8315c6785005e3bd021839411c9e110e6d834"
+  integrity sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==
+  dependencies:
+    p-limit "^3.0.2"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+parse-glob@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
+  integrity sha1-ssN2z7EfNVE7rdFz7wu246OIORw=
+  dependencies:
+    glob-base "^0.3.0"
+    is-dotfile "^1.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.0"
+
+pascalcase@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
+  integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+  integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
+
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
+picomatch@^2.0.4, picomatch@^2.2.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+  integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
+
+posix-character-classes@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
+  integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
+
+preserve@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
+  integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
+
+private@^0.1.6, private@^0.1.7, private@^0.1.8:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+
+process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
+punycode@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+
+randomatic@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-3.1.1.tgz#b776efc59375984e36c537b2f51a1f0aff0da1ed"
+  integrity sha512-TuDE5KxZ0J461RVjrJZCJc+J+zCkTb1MbH9AQUq68sMhOMcy9jLcb3BrZKgp9q9Ncltdg4QVqWrH02W2EFFVYw==
+  dependencies:
+    is-number "^4.0.0"
+    kind-of "^6.0.0"
+    math-random "^1.0.1"
+
+randombytes@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
+  integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
+  dependencies:
+    safe-buffer "^5.1.0"
+
+readable-stream@^2.0.2:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+readdirp@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
+readdirp@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.5.0.tgz#9ba74c019b15d365278d2e91bb8c48d7b4d42c9e"
+  integrity sha512-cMhu7c/8rdhkHXWsY+osBhfSy0JikwpHK/5+imo+LpeasTF8ouErHrlYkwT0++njiyuDvc7OFY5T3ukvZ8qmFQ==
+  dependencies:
+    picomatch "^2.2.1"
+
+regenerate@^1.2.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
+
+regenerator-runtime@^0.10.5:
+  version "0.10.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+  integrity sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=
+
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
+regex-cache@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
+  integrity sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ==
+  dependencies:
+    is-equal-shallow "^0.1.3"
+
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  integrity sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
+regjsgen@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+
+regjsparser@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  dependencies:
+    jsesc "~0.5.0"
+
+remove-trailing-separator@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
+
+repeat-string@^1.5.2, repeat-string@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
+  dependencies:
+    is-finite "^1.0.0"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
+resolve@1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+resolve@^1.1.6:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.6.0.tgz#0fbd21278b27b4004481c395349e7aba60a9ff5c"
+  dependencies:
+    path-parse "^1.0.5"
+
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
+
+right-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+  dependencies:
+    align-text "^0.1.1"
+
+rimraf@^2.5.2:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  dependencies:
+    glob "^7.1.3"
+
+rollup-plugin-babel@^2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-2.7.1.tgz#16528197b0f938a1536f44683c7a93d573182f57"
+  dependencies:
+    babel-core "6"
+    babel-plugin-transform-es2015-classes "^6.9.0"
+    object-assign "^4.1.0"
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-node-resolve@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-2.1.1.tgz#cbb783b0d15b02794d58915350b2f0d902b8ddc8"
+  dependencies:
+    browser-resolve "^1.11.0"
+    builtin-modules "^1.1.0"
+    resolve "^1.1.6"
+
+rollup-pluginutils@^1.5.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+  dependencies:
+    estree-walker "^0.2.1"
+    minimatch "^3.0.2"
+
+rollup@^0.41.6:
+  version "0.41.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.41.6.tgz#e0d05497877a398c104d816d2733a718a7a94e2a"
+  dependencies:
+    source-map-support "^0.4.0"
+
+safe-buffer@^5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
+sander@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/sander/-/sander-0.5.1.tgz#741e245e231f07cafb6fdf0f133adfa216a502ad"
+  dependencies:
+    es6-promise "^3.1.2"
+    graceful-fs "^4.1.3"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.2"
+
+serialize-javascript@5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-5.0.1.tgz#7886ec848049a462467a97d3d918ebb2aaf934f4"
+  integrity sha512-SaaNal9imEO737H2c05Og0/8LUXG7EnsZyMa8MzkmuHoELfT6txuj0cMqRj6zfPKnmQ1yasR4PCJc8x+M4JSPA==
+  dependencies:
+    randombytes "^2.1.0"
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+
+set-value@^2.0.0, set-value@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-2.0.1.tgz#a18d40530e6f07de4228c7defe4227af8cad005b"
+  integrity sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+  integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
+
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-util/-/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/snapdragon/-/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  dependencies:
+    base "^0.11.1"
+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
+sorcery@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/sorcery/-/sorcery-0.10.0.tgz#8ae90ad7d7cb05fc59f1ab0c637845d5c15a52b7"
+  dependencies:
+    buffer-crc32 "^0.2.5"
+    minimist "^1.2.0"
+    sander "^0.5.0"
+    sourcemap-codec "^1.3.0"
+
+source-map-resolve@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.3.tgz#190866bece7553e1f8f267a2ee82c606b5509a1a"
+  integrity sha512-Htz+RnsXWk5+P2slx5Jh3Q66vhQj1Cllm0zvnaY98+NFx+Dv2CF/f5O/t8x+KaNdrdIAsruNzoh/KpialbqAnw==
+  dependencies:
+    atob "^2.1.2"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
+
+source-map-support@^0.4.0, source-map-support@^0.4.15:
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
+  dependencies:
+    source-map "^0.5.6"
+
+source-map-url@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
+  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+
+source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
+sourcemap-codec@^1.3.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.1.tgz#c8fd92d91889e902a07aee392bdd2c5863958ba2"
+
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==
+  dependencies:
+    extend-shallow "^3.0.0"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
+"string-width@^1.0.2 || 2":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string-width@^3.0.0, string-width@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
+strip-ansi@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
+  dependencies:
+    ansi-regex "^4.1.0"
+
+strip-json-comments@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
+  integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
+
+supports-color@7.2.0, supports-color@^7.1.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
+  dependencies:
+    has-flag "^4.0.0"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
+
+to-fast-properties@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
+
+to-object-path@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
+to-regex-range@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
+trim-right@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
+
+typescript@^2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+
+uglify-js@^2.8.14:
+  version "2.8.29"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
+  dependencies:
+    source-map "~0.5.1"
+    yargs "~3.10.0"
+  optionalDependencies:
+    uglify-to-browserify "~1.0.0"
+
+uglify-to-browserify@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+
+union-value@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
+  integrity sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==
+  dependencies:
+    arr-union "^3.1.0"
+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^2.0.1"
+
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
+    has-value "^0.3.1"
+    isobject "^3.0.0"
+
+urix@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
+use@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
+
+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+  integrity sha1-K1viOjK2Onyd640PKNSFcko98ZA=
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+v8flags@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+  integrity sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=
+  dependencies:
+    user-home "^1.1.1"
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+which@2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
+  integrity sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==
+  dependencies:
+    isexe "^2.0.0"
+
+wide-align@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+workerpool@6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.2.tgz#e241b43d8d033f1beb52c7851069456039d1d438"
+  integrity sha512-DSNyvOpFKrNusaaUwk+ej6cBj1bmhLcBfj80elGk+ZIo5JSkq+unB1dLKEOcNfJDZgjGICfhQ0Q5TbP0PvF4+Q==
+
+wrap-ansi@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
+  integrity sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==
+  dependencies:
+    ansi-styles "^3.2.0"
+    string-width "^3.0.0"
+    strip-ansi "^5.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+y18n@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
+  integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
+
+yargs-parser@13.1.2, yargs-parser@^13.1.2:
+  version "13.1.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.2.tgz#130f09702ebaeef2650d54ce6e3e5706f7a4fb38"
+  integrity sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs-unparser@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-unparser/-/yargs-unparser-2.0.0.tgz#f131f9226911ae5d9ad38c432fe809366c2325eb"
+  integrity sha512-7pRTIA9Qc1caZ0bZ6RYRGbHJthJWuakf+WmHK0rVeLkNrrGhfoabBNdue6kdINI6r4if7ocq9aD/n7xwKOdzOA==
+  dependencies:
+    camelcase "^6.0.0"
+    decamelize "^4.0.0"
+    flat "^5.0.2"
+    is-plain-obj "^2.1.0"
+
+yargs@13.3.2:
+  version "13.3.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.2.tgz#ad7ffefec1aa59565ac915f82dccb38a9c31a2dd"
+  integrity sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.2"
+
+yargs@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  dependencies:
+    camelcase "^1.0.2"
+    cliui "^2.1.0"
+    decamelize "^1.0.0"
+    window-size "0.1.0"
+
+yocto-queue@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
+  integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
diff --git a/node_modules/urix/.jshintrc b/node_modules/urix/.jshintrc
new file mode 100644
index 00000000..e722e469
--- /dev/null
+++ b/node_modules/urix/.jshintrc
@@ -0,0 +1,42 @@
+{
+	"bitwise": true,
+	"camelcase": true,
+	"curly": false,
+	"eqeqeq": true,
+	"es3": false,
+	"forin": true,
+	"immed": false,
+	"indent": false,
+	"latedef": "nofunc",
+	"newcap": false,
+	"noarg": true,
+	"noempty": true,
+	"nonew": false,
+	"plusplus": false,
+	"quotmark": true,
+	"undef": true,
+	"unused": "vars",
+	"strict": false,
+	"trailing": true,
+	"maxparams": 5,
+	"maxdepth": false,
+	"maxstatements": false,
+	"maxcomplexity": false,
+	"maxlen": 100,
+
+	"asi": true,
+	"expr": true,
+	"globalstrict": true,
+	"smarttabs": true,
+	"sub": true,
+
+	"node": true,
+	"globals": {
+		"describe": false,
+		"it": false,
+		"before": false,
+		"beforeEach": false,
+		"after": false,
+		"afterEach": false
+	}
+}
diff --git a/node_modules/urix/LICENSE b/node_modules/urix/LICENSE
new file mode 100644
index 00000000..0595be36
--- /dev/null
+++ b/node_modules/urix/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 Simon Lydell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/urix/index.js b/node_modules/urix/index.js
new file mode 100644
index 00000000..3fb79031
--- /dev/null
+++ b/node_modules/urix/index.js
@@ -0,0 +1,17 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+var path = require("path")
+
+"use strict"
+
+function urix(aPath) {
+  if (path.sep === "\\") {
+    return aPath
+      .replace(/\\/g, "/")
+      .replace(/^[a-z]:\/?/i, "/")
+  }
+  return aPath
+}
+
+module.exports = urix
diff --git a/node_modules/urix/package.json b/node_modules/urix/package.json
new file mode 100644
index 00000000..ce795d17
--- /dev/null
+++ b/node_modules/urix/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "urix",
+  "version": "0.1.0",
+  "author": "Simon Lydell",
+  "license": "MIT",
+  "description": "Makes Windows-style paths more unix and URI friendly.",
+  "main": "index.js",
+  "repository": "lydell/urix",
+  "keywords": [
+    "path",
+    "url",
+    "uri",
+    "unix",
+    "windows",
+    "backslash",
+    "slash"
+  ],
+  "scripts": {
+    "test": "jshint index.js test/ && mocha"
+  },
+  "devDependencies": {
+    "mocha": "^1.17.1",
+    "jshint": "^2.4.4"
+  }
+}
diff --git a/node_modules/urix/readme.md b/node_modules/urix/readme.md
new file mode 100644
index 00000000..ac386f5d
--- /dev/null
+++ b/node_modules/urix/readme.md
@@ -0,0 +1,46 @@
+[![Build Status](https://travis-ci.org/lydell/urix.png?branch=master)](https://travis-ci.org/lydell/urix)
+
+Overview
+========
+
+Makes Windows-style paths more unix and URI friendly. Useful if you work with
+paths that eventually will be used in URLs.
+
+```js
+var urix = require("urix")
+
+// On Windows:
+urix("c:\\users\\you\\foo")
+// /users/you/foo
+
+// On unix-like systems:
+urix("c:\\users\\you\\foo")
+// c:\users\you\foo
+```
+
+
+Installation
+============
+
+`npm install urix`
+
+```js
+var urix = require("urix")
+```
+
+
+Usage
+=====
+
+### `urix(path)` ###
+
+On Windows, replaces all backslashes with slashes and uses a slash instead of a
+drive letter and a colon for absolute paths.
+
+On unix-like systems it is a no-op.
+
+
+License
+=======
+
+[The X11 (“MIT”) License](LICENSE).
diff --git a/node_modules/urix/test/index.js b/node_modules/urix/test/index.js
new file mode 100644
index 00000000..b84b8f3e
--- /dev/null
+++ b/node_modules/urix/test/index.js
@@ -0,0 +1,43 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+var path   = require("path")
+var assert = require("assert")
+var urix   = require("../")
+
+"use stict"
+
+function test(testPath, expected) {
+  path.sep = "\\"
+  assert.equal(urix(testPath), expected)
+  path.sep = "/"
+  assert.equal(urix(testPath), testPath)
+}
+
+describe("urix", function() {
+
+  it("is a function", function() {
+    assert.equal(typeof urix, "function")
+  })
+
+
+  it("converts backslashes to slashes", function() {
+    test("a\\b\\c", "a/b/c")
+    test("\\a\\b\\c", "/a/b/c")
+    test("a/b\\c", "a/b/c")
+    test("\\\\a\\\\\\b///c", "//a///b///c")
+  })
+
+
+  it("changes the drive letter to a slash", function() {
+    test("c:\\a", "/a")
+    test("C:\\a", "/a")
+    test("z:\\a", "/a")
+    test("c:a", "/a")
+    test("c:/a", "/a")
+    test("c:\\\\a", "//a")
+    test("c://a", "//a")
+    test("c:\\//a", "///a")
+  })
+
+})
diff --git a/node_modules/url/.eslintignore b/node_modules/url/.eslintignore
new file mode 100644
index 00000000..404abb22
--- /dev/null
+++ b/node_modules/url/.eslintignore
@@ -0,0 +1 @@
+coverage/
diff --git a/node_modules/url/.eslintrc b/node_modules/url/.eslintrc
new file mode 100644
index 00000000..a6acd574
--- /dev/null
+++ b/node_modules/url/.eslintrc
@@ -0,0 +1,38 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"complexity": 0,
+		"eqeqeq": [2, "allow-null"],
+		"func-style": 0,
+		"id-length": 0,
+		"indent": [2, 2],
+		"max-depth": 0,
+		"max-lines": 0,
+		"max-lines-per-function": 0,
+		"max-statements": 0,
+		"max-statements-per-line": [2, { "max": 3 }],
+		"no-continue": 1,
+		"no-empty": 1,
+		"no-magic-numbers": 0,
+		"no-mixed-operators": 1,
+		"max-nested-callbacks": 0,
+		"no-param-reassign": 1,
+		"no-plusplus": 0,
+		"no-redeclare": 1,
+		"no-restricted-syntax": 1,
+		"no-script-url": 1,
+		"sort-keys": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**/*",
+			"rules": {
+				"no-sequences": 1,
+			},
+		},
+	],
+}
diff --git a/node_modules/url/.nycrc b/node_modules/url/.nycrc
new file mode 100644
index 00000000..bdd626ce
--- /dev/null
+++ b/node_modules/url/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/url/LICENSE b/node_modules/url/LICENSE
new file mode 100644
index 00000000..158af9f4
--- /dev/null
+++ b/node_modules/url/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright 2014 Joyent, Inc. and other Node contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/url/README.md b/node_modules/url/README.md
new file mode 100644
index 00000000..8b354602
--- /dev/null
+++ b/node_modules/url/README.md
@@ -0,0 +1,108 @@
+# node-url
+
+[![Build Status](https://travis-ci.org/defunctzombie/node-url.svg?branch=master)](https://travis-ci.org/defunctzombie/node-url)
+
+This module has utilities for URL resolution and parsing meant to have feature parity with node.js core [url](http://nodejs.org/api/url.html) module.
+
+```js
+var url = require('url');
+```
+
+## api
+
+Parsed URL objects have some or all of the following fields, depending on
+whether or not they exist in the URL string. Any parts that are not in the URL
+string will not be in the parsed object. Examples are shown for the URL
+
+`'http://user:pass@host.com:8080/p/a/t/h?query=string#hash'`
+
+* `href`: The full URL that was originally parsed. Both the protocol and host are lowercased.
+
+    Example: `'http://user:pass@host.com:8080/p/a/t/h?query=string#hash'`
+
+* `protocol`: The request protocol, lowercased.
+
+    Example: `'http:'`
+
+* `host`: The full lowercased host portion of the URL, including port
+  information.
+
+    Example: `'host.com:8080'`
+
+* `auth`: The authentication information portion of a URL.
+
+    Example: `'user:pass'`
+
+* `hostname`: Just the lowercased hostname portion of the host.
+
+    Example: `'host.com'`
+
+* `port`: The port number portion of the host.
+
+    Example: `'8080'`
+
+* `pathname`: The path section of the URL, that comes after the host and
+  before the query, including the initial slash if present.
+
+    Example: `'/p/a/t/h'`
+
+* `search`: The 'query string' portion of the URL, including the leading
+  question mark.
+
+    Example: `'?query=string'`
+
+* `path`: Concatenation of `pathname` and `search`.
+
+    Example: `'/p/a/t/h?query=string'`
+
+* `query`: Either the 'params' portion of the query string, or a
+  querystring-parsed object.
+
+    Example: `'query=string'` or `{'query':'string'}`
+
+* `hash`: The 'fragment' portion of the URL including the pound-sign.
+
+    Example: `'#hash'`
+
+The following methods are provided by the URL module:
+
+### url.parse(urlStr, [parseQueryString], [slashesDenoteHost])
+
+Take a URL string, and return an object.
+
+Pass `true` as the second argument to also parse
+the query string using the `querystring` module.
+Defaults to `false`.
+
+Pass `true` as the third argument to treat `//foo/bar` as
+`{ host: 'foo', pathname: '/bar' }` rather than
+`{ pathname: '//foo/bar' }`. Defaults to `false`.
+
+### url.format(urlObj)
+
+Take a parsed URL object, and return a formatted URL string.
+
+* `href` will be ignored.
+* `protocol` is treated the same with or without the trailing `:` (colon).
+  * The protocols `http`, `https`, `ftp`, `gopher`, `file` will be
+    postfixed with `://` (colon-slash-slash).
+  * All other protocols `mailto`, `xmpp`, `aim`, `sftp`, `foo`, etc will
+    be postfixed with `:` (colon)
+* `auth` will be used if present.
+* `hostname` will only be used if `host` is absent.
+* `port` will only be used if `host` is absent.
+* `host` will be used in place of `hostname` and `port`
+* `pathname` is treated the same with or without the leading `/` (slash)
+* `search` will be used in place of `query`
+* `query` (object; see `querystring`) will only be used if `search` is absent.
+* `search` is treated the same with or without the leading `?` (question mark)
+* `hash` is treated the same with or without the leading `#` (pound sign, anchor)
+
+### url.resolve(from, to)
+
+Take a base URL, and a href URL, and resolve them as a browser would for
+an anchor tag.  Examples:
+
+    url.resolve('/one/two/three', 'four')         // '/one/two/four'
+    url.resolve('http://example.com/', '/one')    // 'http://example.com/one'
+    url.resolve('http://example.com/one', '/two') // 'http://example.com/two'
diff --git a/node_modules/url/node_modules/punycode/LICENSE-MIT.txt b/node_modules/url/node_modules/punycode/LICENSE-MIT.txt
new file mode 100644
index 00000000..a41e0a7e
--- /dev/null
+++ b/node_modules/url/node_modules/punycode/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/url/node_modules/punycode/README.md b/node_modules/url/node_modules/punycode/README.md
new file mode 100644
index 00000000..7ad7d1fa
--- /dev/null
+++ b/node_modules/url/node_modules/punycode/README.md
@@ -0,0 +1,176 @@
+# Punycode.js [![Build status](https://travis-ci.org/bestiejs/punycode.js.svg?branch=master)](https://travis-ci.org/bestiejs/punycode.js) [![Code coverage status](http://img.shields.io/coveralls/bestiejs/punycode.js/master.svg)](https://coveralls.io/r/bestiejs/punycode.js) [![Dependency status](https://gemnasium.com/bestiejs/punycode.js.svg)](https://gemnasium.com/bestiejs/punycode.js)
+
+A robust Punycode converter that fully complies to [RFC 3492](https://tools.ietf.org/html/rfc3492) and [RFC 5891](https://tools.ietf.org/html/rfc5891), and works on nearly all JavaScript platforms.
+
+This JavaScript library is the result of comparing, optimizing and documenting different open-source implementations of the Punycode algorithm:
+
+* [The C example code from RFC 3492](https://tools.ietf.org/html/rfc3492#appendix-C)
+* [`punycode.c` by _Markus W. Scherer_ (IBM)](http://opensource.apple.com/source/ICU/ICU-400.42/icuSources/common/punycode.c)
+* [`punycode.c` by _Ben Noordhuis_](https://github.com/bnoordhuis/punycode/blob/master/punycode.c)
+* [JavaScript implementation by _some_](http://stackoverflow.com/questions/183485/can-anyone-recommend-a-good-free-javascript-for-punycode-to-unicode-conversion/301287#301287)
+* [`punycode.js` by _Ben Noordhuis_](https://github.com/joyent/node/blob/426298c8c1c0d5b5224ac3658c41e7c2a3fe9377/lib/punycode.js) (note: [not fully compliant](https://github.com/joyent/node/issues/2072))
+
+This project is [bundled](https://github.com/joyent/node/blob/master/lib/punycode.js) with [Node.js v0.6.2+](https://github.com/joyent/node/compare/975f1930b1...61e796decc) and [io.js v1.0.0+](https://github.com/iojs/io.js/blob/v1.x/lib/punycode.js).
+
+## Installation
+
+Via [npm](https://www.npmjs.com/) (only required for Node.js releases older than v0.6.2):
+
+```bash
+npm install punycode
+```
+
+Via [Bower](http://bower.io/):
+
+```bash
+bower install punycode
+```
+
+Via [Component](https://github.com/component/component):
+
+```bash
+component install bestiejs/punycode.js
+```
+
+In a browser:
+
+```html
+<script src="punycode.js"></script>
+```
+
+In [Node.js](https://nodejs.org/), [io.js](https://iojs.org/), [Narwhal](http://narwhaljs.org/), and [RingoJS](http://ringojs.org/):
+
+```js
+var punycode = require('punycode');
+```
+
+In [Rhino](http://www.mozilla.org/rhino/):
+
+```js
+load('punycode.js');
+```
+
+Using an AMD loader like [RequireJS](http://requirejs.org/):
+
+```js
+require(
+  {
+    'paths': {
+      'punycode': 'path/to/punycode'
+    }
+  },
+  ['punycode'],
+  function(punycode) {
+    console.log(punycode);
+  }
+);
+```
+
+## API
+
+### `punycode.decode(string)`
+
+Converts a Punycode string of ASCII symbols to a string of Unicode symbols.
+
+```js
+// decode domain name parts
+punycode.decode('maana-pta'); // 'mañana'
+punycode.decode('--dqo34k'); // '☃-⌘'
+```
+
+### `punycode.encode(string)`
+
+Converts a string of Unicode symbols to a Punycode string of ASCII symbols.
+
+```js
+// encode domain name parts
+punycode.encode('mañana'); // 'maana-pta'
+punycode.encode('☃-⌘'); // '--dqo34k'
+```
+
+### `punycode.toUnicode(input)`
+
+Converts a Punycode string representing a domain name or an email address to Unicode. Only the Punycoded parts of the input will be converted, i.e. it doesn’t matter if you call it on a string that has already been converted to Unicode.
+
+```js
+// decode domain names
+punycode.toUnicode('xn--maana-pta.com');
+// → 'mañana.com'
+punycode.toUnicode('xn----dqo34k.com');
+// → '☃-⌘.com'
+
+// decode email addresses
+punycode.toUnicode('джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq');
+// → 'джумла@джpумлатест.bрфa'
+```
+
+### `punycode.toASCII(input)`
+
+Converts a lowercased Unicode string representing a domain name or an email address to Punycode. Only the non-ASCII parts of the input will be converted, i.e. it doesn’t matter if you call it with a domain that’s already in ASCII.
+
+```js
+// encode domain names
+punycode.toASCII('mañana.com');
+// → 'xn--maana-pta.com'
+punycode.toASCII('☃-⌘.com');
+// → 'xn----dqo34k.com'
+
+// encode email addresses
+punycode.toASCII('джумла@джpумлатест.bрфa');
+// → 'джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq'
+```
+
+### `punycode.ucs2`
+
+#### `punycode.ucs2.decode(string)`
+
+Creates an array containing the numeric code point values of each Unicode symbol in the string. While [JavaScript uses UCS-2 internally](https://mathiasbynens.be/notes/javascript-encoding), this function will convert a pair of surrogate halves (each of which UCS-2 exposes as separate characters) into a single code point, matching UTF-16.
+
+```js
+punycode.ucs2.decode('abc');
+// → [0x61, 0x62, 0x63]
+// surrogate pair for U+1D306 TETRAGRAM FOR CENTRE:
+punycode.ucs2.decode('\uD834\uDF06');
+// → [0x1D306]
+```
+
+#### `punycode.ucs2.encode(codePoints)`
+
+Creates a string based on an array of numeric code point values.
+
+```js
+punycode.ucs2.encode([0x61, 0x62, 0x63]);
+// → 'abc'
+punycode.ucs2.encode([0x1D306]);
+// → '\uD834\uDF06'
+```
+
+### `punycode.version`
+
+A string representing the current Punycode.js version number.
+
+## Unit tests & code coverage
+
+After cloning this repository, run `npm install --dev` to install the dependencies needed for Punycode.js development and testing. You may want to install Istanbul _globally_ using `npm install istanbul -g`.
+
+Once that’s done, you can run the unit tests in Node using `npm test` or `node tests/tests.js`. To run the tests in Rhino, Ringo, Narwhal, PhantomJS, and web browsers as well, use `grunt test`.
+
+To generate the code coverage report, use `grunt cover`.
+
+Feel free to fork if you see possible improvements!
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## Contributors
+
+| [![twitter/jdalton](https://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter") |
+|---|
+| [John-David Dalton](http://allyoucanleet.com/) |
+
+## License
+
+Punycode.js is available under the [MIT](https://mths.be/mit) license.
diff --git a/node_modules/url/node_modules/punycode/package.json b/node_modules/url/node_modules/punycode/package.json
new file mode 100644
index 00000000..accb5306
--- /dev/null
+++ b/node_modules/url/node_modules/punycode/package.json
@@ -0,0 +1,60 @@
+{
+	"name": "punycode",
+	"version": "1.4.1",
+	"description": "A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.",
+	"homepage": "https://mths.be/punycode",
+	"main": "punycode.js",
+	"keywords": [
+		"punycode",
+		"unicode",
+		"idn",
+		"idna",
+		"dns",
+		"url",
+		"domain"
+	],
+	"license": "MIT",
+	"author": {
+		"name": "Mathias Bynens",
+		"url": "https://mathiasbynens.be/"
+	},
+	"contributors": [
+		{
+			"name": "Mathias Bynens",
+			"url": "https://mathiasbynens.be/"
+		},
+		{
+			"name": "John-David Dalton",
+			"url": "http://allyoucanleet.com/"
+		}
+	],
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/bestiejs/punycode.js.git"
+	},
+	"bugs": "https://github.com/bestiejs/punycode.js/issues",
+	"files": [
+		"LICENSE-MIT.txt",
+		"punycode.js"
+	],
+	"scripts": {
+		"test": "node tests/tests.js"
+	},
+	"devDependencies": {
+		"coveralls": "^2.11.4",
+		"grunt": "^0.4.5",
+		"grunt-contrib-uglify": "^0.11.0",
+		"grunt-shell": "^1.1.2",
+		"istanbul": "^0.4.1",
+		"qunit-extras": "^1.4.4",
+		"qunitjs": "~1.11.0",
+		"requirejs": "^2.1.22"
+	},
+	"jspm": {
+		"map": {
+			"./punycode.js": {
+				"node": "@node/punycode"
+			}
+		}
+	}
+}
diff --git a/node_modules/url/node_modules/punycode/punycode.js b/node_modules/url/node_modules/punycode/punycode.js
new file mode 100644
index 00000000..2c87f6cc
--- /dev/null
+++ b/node_modules/url/node_modules/punycode/punycode.js
@@ -0,0 +1,533 @@
+/*! https://mths.be/punycode v1.4.1 by @mathias */
+;(function(root) {
+
+	/** Detect free variables */
+	var freeExports = typeof exports == 'object' && exports &&
+		!exports.nodeType && exports;
+	var freeModule = typeof module == 'object' && module &&
+		!module.nodeType && module;
+	var freeGlobal = typeof global == 'object' && global;
+	if (
+		freeGlobal.global === freeGlobal ||
+		freeGlobal.window === freeGlobal ||
+		freeGlobal.self === freeGlobal
+	) {
+		root = freeGlobal;
+	}
+
+	/**
+	 * The `punycode` object.
+	 * @name punycode
+	 * @type Object
+	 */
+	var punycode,
+
+	/** Highest positive signed 32-bit float value */
+	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
+
+	/** Bootstring parameters */
+	base = 36,
+	tMin = 1,
+	tMax = 26,
+	skew = 38,
+	damp = 700,
+	initialBias = 72,
+	initialN = 128, // 0x80
+	delimiter = '-', // '\x2D'
+
+	/** Regular expressions */
+	regexPunycode = /^xn--/,
+	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
+	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
+
+	/** Error messages */
+	errors = {
+		'overflow': 'Overflow: input needs wider integers to process',
+		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+		'invalid-input': 'Invalid input'
+	},
+
+	/** Convenience shortcuts */
+	baseMinusTMin = base - tMin,
+	floor = Math.floor,
+	stringFromCharCode = String.fromCharCode,
+
+	/** Temporary variable */
+	key;
+
+	/*--------------------------------------------------------------------------*/
+
+	/**
+	 * A generic error utility function.
+	 * @private
+	 * @param {String} type The error type.
+	 * @returns {Error} Throws a `RangeError` with the applicable error message.
+	 */
+	function error(type) {
+		throw new RangeError(errors[type]);
+	}
+
+	/**
+	 * A generic `Array#map` utility function.
+	 * @private
+	 * @param {Array} array The array to iterate over.
+	 * @param {Function} callback The function that gets called for every array
+	 * item.
+	 * @returns {Array} A new array of values returned by the callback function.
+	 */
+	function map(array, fn) {
+		var length = array.length;
+		var result = [];
+		while (length--) {
+			result[length] = fn(array[length]);
+		}
+		return result;
+	}
+
+	/**
+	 * A simple `Array#map`-like wrapper to work with domain name strings or email
+	 * addresses.
+	 * @private
+	 * @param {String} domain The domain name or email address.
+	 * @param {Function} callback The function that gets called for every
+	 * character.
+	 * @returns {Array} A new string of characters returned by the callback
+	 * function.
+	 */
+	function mapDomain(string, fn) {
+		var parts = string.split('@');
+		var result = '';
+		if (parts.length > 1) {
+			// In email addresses, only the domain name should be punycoded. Leave
+			// the local part (i.e. everything up to `@`) intact.
+			result = parts[0] + '@';
+			string = parts[1];
+		}
+		// Avoid `split(regex)` for IE8 compatibility. See #17.
+		string = string.replace(regexSeparators, '\x2E');
+		var labels = string.split('.');
+		var encoded = map(labels, fn).join('.');
+		return result + encoded;
+	}
+
+	/**
+	 * Creates an array containing the numeric code points of each Unicode
+	 * character in the string. While JavaScript uses UCS-2 internally,
+	 * this function will convert a pair of surrogate halves (each of which
+	 * UCS-2 exposes as separate characters) into a single code point,
+	 * matching UTF-16.
+	 * @see `punycode.ucs2.encode`
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode.ucs2
+	 * @name decode
+	 * @param {String} string The Unicode input string (UCS-2).
+	 * @returns {Array} The new array of code points.
+	 */
+	function ucs2decode(string) {
+		var output = [],
+		    counter = 0,
+		    length = string.length,
+		    value,
+		    extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	/**
+	 * Creates a string based on an array of numeric code points.
+	 * @see `punycode.ucs2.decode`
+	 * @memberOf punycode.ucs2
+	 * @name encode
+	 * @param {Array} codePoints The array of numeric code points.
+	 * @returns {String} The new Unicode string (UCS-2).
+	 */
+	function ucs2encode(array) {
+		return map(array, function(value) {
+			var output = '';
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+			return output;
+		}).join('');
+	}
+
+	/**
+	 * Converts a basic code point into a digit/integer.
+	 * @see `digitToBasic()`
+	 * @private
+	 * @param {Number} codePoint The basic numeric code point value.
+	 * @returns {Number} The numeric value of a basic code point (for use in
+	 * representing integers) in the range `0` to `base - 1`, or `base` if
+	 * the code point does not represent a value.
+	 */
+	function basicToDigit(codePoint) {
+		if (codePoint - 48 < 10) {
+			return codePoint - 22;
+		}
+		if (codePoint - 65 < 26) {
+			return codePoint - 65;
+		}
+		if (codePoint - 97 < 26) {
+			return codePoint - 97;
+		}
+		return base;
+	}
+
+	/**
+	 * Converts a digit/integer into a basic code point.
+	 * @see `basicToDigit()`
+	 * @private
+	 * @param {Number} digit The numeric value of a basic code point.
+	 * @returns {Number} The basic code point whose value (when used for
+	 * representing integers) is `digit`, which needs to be in the range
+	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+	 * used; else, the lowercase form is used. The behavior is undefined
+	 * if `flag` is non-zero and `digit` has no uppercase form.
+	 */
+	function digitToBasic(digit, flag) {
+		//  0..25 map to ASCII a..z or A..Z
+		// 26..35 map to ASCII 0..9
+		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+	}
+
+	/**
+	 * Bias adaptation function as per section 3.4 of RFC 3492.
+	 * https://tools.ietf.org/html/rfc3492#section-3.4
+	 * @private
+	 */
+	function adapt(delta, numPoints, firstTime) {
+		var k = 0;
+		delta = firstTime ? floor(delta / damp) : delta >> 1;
+		delta += floor(delta / numPoints);
+		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+			delta = floor(delta / baseMinusTMin);
+		}
+		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+	}
+
+	/**
+	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+	 * symbols.
+	 * @memberOf punycode
+	 * @param {String} input The Punycode string of ASCII-only symbols.
+	 * @returns {String} The resulting string of Unicode symbols.
+	 */
+	function decode(input) {
+		// Don't use UCS-2
+		var output = [],
+		    inputLength = input.length,
+		    out,
+		    i = 0,
+		    n = initialN,
+		    bias = initialBias,
+		    basic,
+		    j,
+		    index,
+		    oldi,
+		    w,
+		    k,
+		    digit,
+		    t,
+		    /** Cached calculation results */
+		    baseMinusT;
+
+		// Handle the basic code points: let `basic` be the number of input code
+		// points before the last delimiter, or `0` if there is none, then copy
+		// the first basic code points to the output.
+
+		basic = input.lastIndexOf(delimiter);
+		if (basic < 0) {
+			basic = 0;
+		}
+
+		for (j = 0; j < basic; ++j) {
+			// if it's not a basic code point
+			if (input.charCodeAt(j) >= 0x80) {
+				error('not-basic');
+			}
+			output.push(input.charCodeAt(j));
+		}
+
+		// Main decoding loop: start just after the last delimiter if any basic code
+		// points were copied; start at the beginning otherwise.
+
+		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+			// `index` is the index of the next character to be consumed.
+			// Decode a generalized variable-length integer into `delta`,
+			// which gets added to `i`. The overflow checking is easier
+			// if we increase `i` as we go, then subtract off its starting
+			// value at the end to obtain `delta`.
+			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
+
+				if (index >= inputLength) {
+					error('invalid-input');
+				}
+
+				digit = basicToDigit(input.charCodeAt(index++));
+
+				if (digit >= base || digit > floor((maxInt - i) / w)) {
+					error('overflow');
+				}
+
+				i += digit * w;
+				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+				if (digit < t) {
+					break;
+				}
+
+				baseMinusT = base - t;
+				if (w > floor(maxInt / baseMinusT)) {
+					error('overflow');
+				}
+
+				w *= baseMinusT;
+
+			}
+
+			out = output.length + 1;
+			bias = adapt(i - oldi, out, oldi == 0);
+
+			// `i` was supposed to wrap around from `out` to `0`,
+			// incrementing `n` each time, so we'll fix that now:
+			if (floor(i / out) > maxInt - n) {
+				error('overflow');
+			}
+
+			n += floor(i / out);
+			i %= out;
+
+			// Insert `n` at position `i` of the output
+			output.splice(i++, 0, n);
+
+		}
+
+		return ucs2encode(output);
+	}
+
+	/**
+	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
+	 * Punycode string of ASCII-only symbols.
+	 * @memberOf punycode
+	 * @param {String} input The string of Unicode symbols.
+	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
+	 */
+	function encode(input) {
+		var n,
+		    delta,
+		    handledCPCount,
+		    basicLength,
+		    bias,
+		    j,
+		    m,
+		    q,
+		    k,
+		    t,
+		    currentValue,
+		    output = [],
+		    /** `inputLength` will hold the number of code points in `input`. */
+		    inputLength,
+		    /** Cached calculation results */
+		    handledCPCountPlusOne,
+		    baseMinusT,
+		    qMinusT;
+
+		// Convert the input in UCS-2 to Unicode
+		input = ucs2decode(input);
+
+		// Cache the length
+		inputLength = input.length;
+
+		// Initialize the state
+		n = initialN;
+		delta = 0;
+		bias = initialBias;
+
+		// Handle the basic code points
+		for (j = 0; j < inputLength; ++j) {
+			currentValue = input[j];
+			if (currentValue < 0x80) {
+				output.push(stringFromCharCode(currentValue));
+			}
+		}
+
+		handledCPCount = basicLength = output.length;
+
+		// `handledCPCount` is the number of code points that have been handled;
+		// `basicLength` is the number of basic code points.
+
+		// Finish the basic string - if it is not empty - with a delimiter
+		if (basicLength) {
+			output.push(delimiter);
+		}
+
+		// Main encoding loop:
+		while (handledCPCount < inputLength) {
+
+			// All non-basic code points < n have been handled already. Find the next
+			// larger one:
+			for (m = maxInt, j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow
+			handledCPCountPlusOne = handledCPCount + 1;
+			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+				error('overflow');
+			}
+
+			delta += (m - n) * handledCPCountPlusOne;
+			n = m;
+
+			for (j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+
+				if (currentValue < n && ++delta > maxInt) {
+					error('overflow');
+				}
+
+				if (currentValue == n) {
+					// Represent delta as a generalized variable-length integer
+					for (q = delta, k = base; /* no condition */; k += base) {
+						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+						if (q < t) {
+							break;
+						}
+						qMinusT = q - t;
+						baseMinusT = base - t;
+						output.push(
+							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+						);
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+
+			++delta;
+			++n;
+
+		}
+		return output.join('');
+	}
+
+	/**
+	 * Converts a Punycode string representing a domain name or an email address
+	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+	 * it doesn't matter if you call it on a string that has already been
+	 * converted to Unicode.
+	 * @memberOf punycode
+	 * @param {String} input The Punycoded domain name or email address to
+	 * convert to Unicode.
+	 * @returns {String} The Unicode representation of the given Punycode
+	 * string.
+	 */
+	function toUnicode(input) {
+		return mapDomain(input, function(string) {
+			return regexPunycode.test(string)
+				? decode(string.slice(4).toLowerCase())
+				: string;
+		});
+	}
+
+	/**
+	 * Converts a Unicode string representing a domain name or an email address to
+	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
+	 * i.e. it doesn't matter if you call it with a domain that's already in
+	 * ASCII.
+	 * @memberOf punycode
+	 * @param {String} input The domain name or email address to convert, as a
+	 * Unicode string.
+	 * @returns {String} The Punycode representation of the given domain name or
+	 * email address.
+	 */
+	function toASCII(input) {
+		return mapDomain(input, function(string) {
+			return regexNonASCII.test(string)
+				? 'xn--' + encode(string)
+				: string;
+		});
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	/** Define the public API */
+	punycode = {
+		/**
+		 * A string representing the current Punycode.js version number.
+		 * @memberOf punycode
+		 * @type String
+		 */
+		'version': '1.4.1',
+		/**
+		 * An object of methods to convert from JavaScript's internal character
+		 * representation (UCS-2) to Unicode code points, and back.
+		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+		 * @memberOf punycode
+		 * @type Object
+		 */
+		'ucs2': {
+			'decode': ucs2decode,
+			'encode': ucs2encode
+		},
+		'decode': decode,
+		'encode': encode,
+		'toASCII': toASCII,
+		'toUnicode': toUnicode
+	};
+
+	/** Expose `punycode` */
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define('punycode', function() {
+			return punycode;
+		});
+	} else if (freeExports && freeModule) {
+		if (module.exports == freeExports) {
+			// in Node.js, io.js, or RingoJS v0.8.0+
+			freeModule.exports = punycode;
+		} else {
+			// in Narwhal or RingoJS v0.7.0-
+			for (key in punycode) {
+				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
+			}
+		}
+	} else {
+		// in Rhino or a web browser
+		root.punycode = punycode;
+	}
+
+}(this));
diff --git a/node_modules/url/package.json b/node_modules/url/package.json
new file mode 100644
index 00000000..bea0a110
--- /dev/null
+++ b/node_modules/url/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "url",
+  "description": "The core `url` packaged standalone for use with Browserify.",
+  "version": "0.11.4",
+  "author": "defunctzombie",
+  "dependencies": {
+    "punycode": "^1.4.1",
+    "qs": "^6.12.3"
+  },
+  "main": "./url.js",
+  "keywords": [
+    "parsing",
+    "url",
+    "analyze"
+  ],
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.1.1",
+    "acorn": "^8.12.1",
+    "aud": "^2.0.4",
+    "eslint": "=8.8.0",
+    "mocha": "^3.5.3",
+    "nyc": "^10.3.2",
+    "zuul": "^3.12.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "pretest": "npm run lint",
+    "tests-only": "nyc mocha",
+    "test": "npm run tests-only",
+    "posttest": "aud --production",
+    "zuul": "zuul -- test/index.js",
+    "test-local": "zuul --local -- test/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/defunctzombie/node-url.git"
+  },
+  "license": "MIT",
+  "engines": {
+    "node": ">= 0.4"
+  }
+}
diff --git a/node_modules/url/test/index.js b/node_modules/url/test/index.js
new file mode 100644
index 00000000..74b67a78
--- /dev/null
+++ b/node_modules/url/test/index.js
@@ -0,0 +1,2080 @@
+'use strict';
+
+/*
+ * Copyright Joyent, Inc. and other Node contributors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do so, subject to the
+ * following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+var test = require('mocha').test;
+var assert = require('assert');
+var nodeURL = require('url');
+
+var url = require('../url');
+
+/*
+ * URLs to parse, and expected data
+ * { url : parsed }
+ */
+var parseTests = {
+  '//some_path': {
+    href: '//some_path',
+    pathname: '//some_path',
+    path: '//some_path'
+  },
+
+  'http:\\\\evil-phisher\\foo.html#h\\a\\s\\h': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'evil-phisher',
+    hostname: 'evil-phisher',
+    pathname: '/foo.html',
+    path: '/foo.html',
+    hash: '#h%5Ca%5Cs%5Ch',
+    href: 'http://evil-phisher/foo.html#h%5Ca%5Cs%5Ch'
+  },
+
+  'http:\\\\evil-phisher\\foo.html?json="\\"foo\\""#h\\a\\s\\h': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'evil-phisher',
+    hostname: 'evil-phisher',
+    pathname: '/foo.html',
+    search: '?json=%22%5C%22foo%5C%22%22',
+    query: 'json=%22%5C%22foo%5C%22%22',
+    path: '/foo.html?json=%22%5C%22foo%5C%22%22',
+    hash: '#h%5Ca%5Cs%5Ch',
+    href: 'http://evil-phisher/foo.html?json=%22%5C%22foo%5C%22%22#h%5Ca%5Cs%5Ch'
+  },
+
+  'http:\\\\evil-phisher\\foo.html#h\\a\\s\\h?blarg': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'evil-phisher',
+    hostname: 'evil-phisher',
+    pathname: '/foo.html',
+    path: '/foo.html',
+    hash: '#h%5Ca%5Cs%5Ch?blarg',
+    href: 'http://evil-phisher/foo.html#h%5Ca%5Cs%5Ch?blarg'
+  },
+
+  'http:\\\\evil-phisher\\foo.html': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'evil-phisher',
+    hostname: 'evil-phisher',
+    pathname: '/foo.html',
+    path: '/foo.html',
+    href: 'http://evil-phisher/foo.html'
+  },
+
+  'HTTP://www.example.com/': {
+    href: 'http://www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'HTTP://www.example.com': {
+    href: 'http://www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://www.ExAmPlE.com/': {
+    href: 'http://www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://user:pw@www.ExAmPlE.com/': {
+    href: 'http://user:pw@www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pw',
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://USER:PW@www.ExAmPlE.com/': {
+    href: 'http://USER:PW@www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    auth: 'USER:PW',
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://user@www.example.com/': {
+    href: 'http://user@www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user',
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://user%3Apw@www.example.com/': {
+    href: 'http://user:pw@www.example.com/',
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pw',
+    host: 'www.example.com',
+    hostname: 'www.example.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://x.com/path?that\'s#all, folks': {
+    href: 'http://x.com/path?that%27s#all,%20folks',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x.com',
+    hostname: 'x.com',
+    search: '?that%27s',
+    query: 'that%27s',
+    pathname: '/path',
+    hash: '#all,%20folks',
+    path: '/path?that%27s'
+  },
+
+  'HTTP://X.COM/Y': {
+    href: 'http://x.com/Y',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x.com',
+    hostname: 'x.com',
+    pathname: '/Y',
+    path: '/Y'
+  },
+
+  /*
+   * + not an invalid host character
+   * per https://url.spec.whatwg.org/#host-parsing
+   */
+  'http://x.y.com+a/b/c': {
+    href: 'http://x.y.com+a/b/c',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x.y.com+a',
+    hostname: 'x.y.com+a',
+    pathname: '/b/c',
+    path: '/b/c'
+  },
+
+  // an unexpected invalid char in the hostname.
+  'HtTp://x.y.cOm;a/b/c?d=e#f g<h>i': {
+    href: 'http://x.y.com/;a/b/c?d=e#f%20g%3Ch%3Ei',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x.y.com',
+    hostname: 'x.y.com',
+    pathname: ';a/b/c',
+    search: '?d=e',
+    query: 'd=e',
+    hash: '#f%20g%3Ch%3Ei',
+    path: ';a/b/c?d=e'
+  },
+
+  // make sure that we don't accidentally lcast the path parts.
+  'HtTp://x.y.cOm;A/b/c?d=e#f g<h>i': {
+    href: 'http://x.y.com/;A/b/c?d=e#f%20g%3Ch%3Ei',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x.y.com',
+    hostname: 'x.y.com',
+    pathname: ';A/b/c',
+    search: '?d=e',
+    query: 'd=e',
+    hash: '#f%20g%3Ch%3Ei',
+    path: ';A/b/c?d=e'
+  },
+
+  'http://x...y...#p': {
+    href: 'http://x...y.../#p',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x...y...',
+    hostname: 'x...y...',
+    hash: '#p',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://x/p/"quoted"': {
+    href: 'http://x/p/%22quoted%22',
+    protocol: 'http:',
+    slashes: true,
+    host: 'x',
+    hostname: 'x',
+    pathname: '/p/%22quoted%22',
+    path: '/p/%22quoted%22'
+  },
+
+  '<http://goo.corn/bread> Is a URL!': {
+    href: '%3Chttp://goo.corn/bread%3E%20Is%20a%20URL!',
+    pathname: '%3Chttp://goo.corn/bread%3E%20Is%20a%20URL!',
+    path: '%3Chttp://goo.corn/bread%3E%20Is%20a%20URL!'
+  },
+
+  'http://www.narwhaljs.org/blog/categories?id=news': {
+    href: 'http://www.narwhaljs.org/blog/categories?id=news',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.narwhaljs.org',
+    hostname: 'www.narwhaljs.org',
+    search: '?id=news',
+    query: 'id=news',
+    pathname: '/blog/categories',
+    path: '/blog/categories?id=news'
+  },
+
+  'http://mt0.google.com/vt/lyrs=m@114&hl=en&src=api&x=2&y=2&z=3&s=': {
+    href: 'http://mt0.google.com/vt/lyrs=m@114&hl=en&src=api&x=2&y=2&z=3&s=',
+    protocol: 'http:',
+    slashes: true,
+    host: 'mt0.google.com',
+    hostname: 'mt0.google.com',
+    pathname: '/vt/lyrs=m@114&hl=en&src=api&x=2&y=2&z=3&s=',
+    path: '/vt/lyrs=m@114&hl=en&src=api&x=2&y=2&z=3&s='
+  },
+
+  'http://mt0.google.com/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s=': {
+    href: 'http://mt0.google.com/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s=',
+    protocol: 'http:',
+    slashes: true,
+    host: 'mt0.google.com',
+    hostname: 'mt0.google.com',
+    search: '???&hl=en&src=api&x=2&y=2&z=3&s=',
+    query: '??&hl=en&src=api&x=2&y=2&z=3&s=',
+    pathname: '/vt/lyrs=m@114',
+    path: '/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s='
+  },
+
+  'http://user:pass@mt0.google.com/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s=': {
+    href: 'http://user:pass@mt0.google.com/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s=',
+    protocol: 'http:',
+    slashes: true,
+    host: 'mt0.google.com',
+    auth: 'user:pass',
+    hostname: 'mt0.google.com',
+    search: '???&hl=en&src=api&x=2&y=2&z=3&s=',
+    query: '??&hl=en&src=api&x=2&y=2&z=3&s=',
+    pathname: '/vt/lyrs=m@114',
+    path: '/vt/lyrs=m@114???&hl=en&src=api&x=2&y=2&z=3&s='
+  },
+
+  'file:///etc/passwd': {
+    href: 'file:///etc/passwd',
+    slashes: true,
+    protocol: 'file:',
+    pathname: '/etc/passwd',
+    hostname: '',
+    host: '',
+    path: '/etc/passwd'
+  },
+
+  'file://localhost/etc/passwd': {
+    href: 'file://localhost/etc/passwd',
+    protocol: 'file:',
+    slashes: true,
+    pathname: '/etc/passwd',
+    hostname: 'localhost',
+    host: 'localhost',
+    path: '/etc/passwd'
+  },
+
+  'file://foo/etc/passwd': {
+    href: 'file://foo/etc/passwd',
+    protocol: 'file:',
+    slashes: true,
+    pathname: '/etc/passwd',
+    hostname: 'foo',
+    host: 'foo',
+    path: '/etc/passwd'
+  },
+
+  'file:///etc/node/': {
+    href: 'file:///etc/node/',
+    slashes: true,
+    protocol: 'file:',
+    pathname: '/etc/node/',
+    hostname: '',
+    host: '',
+    path: '/etc/node/'
+  },
+
+  'file://localhost/etc/node/': {
+    href: 'file://localhost/etc/node/',
+    protocol: 'file:',
+    slashes: true,
+    pathname: '/etc/node/',
+    hostname: 'localhost',
+    host: 'localhost',
+    path: '/etc/node/'
+  },
+
+  'file://foo/etc/node/': {
+    href: 'file://foo/etc/node/',
+    protocol: 'file:',
+    slashes: true,
+    pathname: '/etc/node/',
+    hostname: 'foo',
+    host: 'foo',
+    path: '/etc/node/'
+  },
+
+  'http:/baz/../foo/bar': {
+    href: 'http:/baz/../foo/bar',
+    protocol: 'http:',
+    pathname: '/baz/../foo/bar',
+    path: '/baz/../foo/bar'
+  },
+
+  'http://user:pass@example.com:8000/foo/bar?baz=quux#frag': {
+    href: 'http://user:pass@example.com:8000/foo/bar?baz=quux#frag',
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com:8000',
+    auth: 'user:pass',
+    port: '8000',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?baz=quux',
+    query: 'baz=quux',
+    pathname: '/foo/bar',
+    path: '/foo/bar?baz=quux'
+  },
+
+  '//user:pass@example.com:8000/foo/bar?baz=quux#frag': {
+    href: '//user:pass@example.com:8000/foo/bar?baz=quux#frag',
+    slashes: true,
+    host: 'example.com:8000',
+    auth: 'user:pass',
+    port: '8000',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?baz=quux',
+    query: 'baz=quux',
+    pathname: '/foo/bar',
+    path: '/foo/bar?baz=quux'
+  },
+
+  '/foo/bar?baz=quux#frag': {
+    href: '/foo/bar?baz=quux#frag',
+    hash: '#frag',
+    search: '?baz=quux',
+    query: 'baz=quux',
+    pathname: '/foo/bar',
+    path: '/foo/bar?baz=quux'
+  },
+
+  'http:/foo/bar?baz=quux#frag': {
+    href: 'http:/foo/bar?baz=quux#frag',
+    protocol: 'http:',
+    hash: '#frag',
+    search: '?baz=quux',
+    query: 'baz=quux',
+    pathname: '/foo/bar',
+    path: '/foo/bar?baz=quux'
+  },
+
+  'mailto:foo@bar.com?subject=hello': {
+    href: 'mailto:foo@bar.com?subject=hello',
+    protocol: 'mailto:',
+    host: 'bar.com',
+    auth: 'foo',
+    hostname: 'bar.com',
+    search: '?subject=hello',
+    query: 'subject=hello',
+    path: '?subject=hello'
+  },
+
+  'javascript:alert(\'hello\');': {
+    href: 'javascript:alert(\'hello\');',
+    protocol: 'javascript:',
+    pathname: 'alert(\'hello\');',
+    path: 'alert(\'hello\');'
+  },
+
+  'xmpp:isaacschlueter@jabber.org': {
+    href: 'xmpp:isaacschlueter@jabber.org',
+    protocol: 'xmpp:',
+    host: 'jabber.org',
+    auth: 'isaacschlueter',
+    hostname: 'jabber.org'
+  },
+
+  'http://atpass:foo%40bar@127.0.0.1:8080/path?search=foo#bar': {
+    href: 'http://atpass:foo%40bar@127.0.0.1:8080/path?search=foo#bar',
+    protocol: 'http:',
+    slashes: true,
+    host: '127.0.0.1:8080',
+    auth: 'atpass:foo@bar',
+    hostname: '127.0.0.1',
+    port: '8080',
+    pathname: '/path',
+    search: '?search=foo',
+    query: 'search=foo',
+    hash: '#bar',
+    path: '/path?search=foo'
+  },
+
+  'svn+ssh://foo/bar': {
+    href: 'svn+ssh://foo/bar',
+    host: 'foo',
+    hostname: 'foo',
+    protocol: 'svn+ssh:',
+    pathname: '/bar',
+    path: '/bar',
+    slashes: true
+  },
+
+  'dash-test://foo/bar': {
+    href: 'dash-test://foo/bar',
+    host: 'foo',
+    hostname: 'foo',
+    protocol: 'dash-test:',
+    pathname: '/bar',
+    path: '/bar',
+    slashes: true
+  },
+
+  'dash-test:foo/bar': {
+    href: 'dash-test:foo/bar',
+    host: 'foo',
+    hostname: 'foo',
+    protocol: 'dash-test:',
+    pathname: '/bar',
+    path: '/bar'
+  },
+
+  'dot.test://foo/bar': {
+    href: 'dot.test://foo/bar',
+    host: 'foo',
+    hostname: 'foo',
+    protocol: 'dot.test:',
+    pathname: '/bar',
+    path: '/bar',
+    slashes: true
+  },
+
+  'dot.test:foo/bar': {
+    href: 'dot.test:foo/bar',
+    host: 'foo',
+    hostname: 'foo',
+    protocol: 'dot.test:',
+    pathname: '/bar',
+    path: '/bar'
+  },
+
+  // IDNA tests
+  'http://www.日本語.com/': {
+    href: 'http://www.xn--wgv71a119e.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.xn--wgv71a119e.com',
+    hostname: 'www.xn--wgv71a119e.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://example.Bücher.com/': {
+    href: 'http://example.xn--bcher-kva.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.xn--bcher-kva.com',
+    hostname: 'example.xn--bcher-kva.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://www.Äffchen.com/': {
+    href: 'http://www.xn--ffchen-9ta.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.xn--ffchen-9ta.com',
+    hostname: 'www.xn--ffchen-9ta.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://www.Äffchen.cOm;A/b/c?d=e#f g<h>i': {
+    href: 'http://www.xn--ffchen-9ta.com/;A/b/c?d=e#f%20g%3Ch%3Ei',
+    protocol: 'http:',
+    slashes: true,
+    host: 'www.xn--ffchen-9ta.com',
+    hostname: 'www.xn--ffchen-9ta.com',
+    pathname: ';A/b/c',
+    search: '?d=e',
+    query: 'd=e',
+    hash: '#f%20g%3Ch%3Ei',
+    path: ';A/b/c?d=e'
+  },
+
+  'http://SÉLIER.COM/': {
+    href: 'http://xn--slier-bsa.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'xn--slier-bsa.com',
+    hostname: 'xn--slier-bsa.com',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://ليهمابتكلموشعربي؟.ي؟/': {
+    href: 'http://xn--egbpdaj6bu4bxfgehfvwxn.xn--egb9f/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'xn--egbpdaj6bu4bxfgehfvwxn.xn--egb9f',
+    hostname: 'xn--egbpdaj6bu4bxfgehfvwxn.xn--egb9f',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://➡.ws/➡': {
+    href: 'http://xn--hgi.ws/➡',
+    protocol: 'http:',
+    slashes: true,
+    host: 'xn--hgi.ws',
+    hostname: 'xn--hgi.ws',
+    pathname: '/➡',
+    path: '/➡'
+  },
+
+  'http://bucket_name.s3.amazonaws.com/image.jpg': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'bucket_name.s3.amazonaws.com',
+    hostname: 'bucket_name.s3.amazonaws.com',
+    pathname: '/image.jpg',
+    href: 'http://bucket_name.s3.amazonaws.com/image.jpg',
+    path: '/image.jpg'
+  },
+
+  'git+http://github.com/joyent/node.git': {
+    protocol: 'git+http:',
+    slashes: true,
+    host: 'github.com',
+    hostname: 'github.com',
+    pathname: '/joyent/node.git',
+    path: '/joyent/node.git',
+    href: 'git+http://github.com/joyent/node.git'
+  },
+
+  /*
+   * if local1@domain1 is uses as a relative URL it may
+   * be parse into auth@hostname, but here there is no
+   * way to make it work in url.parse, I add the test to be explicit
+   */
+  'local1@domain1': {
+    pathname: 'local1@domain1',
+    path: 'local1@domain1',
+    href: 'local1@domain1'
+  },
+
+  /*
+   * While this may seem counter-intuitive, a browser will parse
+   * <a href='www.google.com'> as a path.
+   */
+  'www.example.com': {
+    href: 'www.example.com',
+    pathname: 'www.example.com',
+    path: 'www.example.com'
+  },
+
+  // ipv6 support
+  '[fe80::1]': {
+    href: '[fe80::1]',
+    pathname: '[fe80::1]',
+    path: '[fe80::1]'
+  },
+
+  'coap://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]': {
+    protocol: 'coap:',
+    slashes: true,
+    host: '[fedc:ba98:7654:3210:fedc:ba98:7654:3210]',
+    hostname: 'fedc:ba98:7654:3210:fedc:ba98:7654:3210',
+    href: 'coap://[fedc:ba98:7654:3210:fedc:ba98:7654:3210]/',
+    pathname: '/',
+    path: '/'
+  },
+
+  'coap://[1080:0:0:0:8:800:200C:417A]:61616/': {
+    protocol: 'coap:',
+    slashes: true,
+    host: '[1080:0:0:0:8:800:200c:417a]:61616',
+    port: '61616',
+    hostname: '1080:0:0:0:8:800:200c:417a',
+    href: 'coap://[1080:0:0:0:8:800:200c:417a]:61616/',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://user:password@[3ffe:2a00:100:7031::1]:8080': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:password',
+    host: '[3ffe:2a00:100:7031::1]:8080',
+    port: '8080',
+    hostname: '3ffe:2a00:100:7031::1',
+    href: 'http://user:password@[3ffe:2a00:100:7031::1]:8080/',
+    pathname: '/',
+    path: '/'
+  },
+
+  'coap://u:p@[::192.9.5.5]:61616/.well-known/r?n=Temperature': {
+    protocol: 'coap:',
+    slashes: true,
+    auth: 'u:p',
+    host: '[::192.9.5.5]:61616',
+    port: '61616',
+    hostname: '::192.9.5.5',
+    href: 'coap://u:p@[::192.9.5.5]:61616/.well-known/r?n=Temperature',
+    search: '?n=Temperature',
+    query: 'n=Temperature',
+    pathname: '/.well-known/r',
+    path: '/.well-known/r?n=Temperature'
+  },
+
+  // empty port
+  'http://example.com:': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    href: 'http://example.com/',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://example.com:/a/b.html': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    href: 'http://example.com/a/b.html',
+    pathname: '/a/b.html',
+    path: '/a/b.html'
+  },
+
+  'http://example.com:?a=b': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    href: 'http://example.com/?a=b',
+    search: '?a=b',
+    query: 'a=b',
+    pathname: '/',
+    path: '/?a=b'
+  },
+
+  'http://example.com:#abc': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    href: 'http://example.com/#abc',
+    hash: '#abc',
+    pathname: '/',
+    path: '/'
+  },
+
+  'http://[fe80::1]:/a/b?a=b#abc': {
+    protocol: 'http:',
+    slashes: true,
+    host: '[fe80::1]',
+    hostname: 'fe80::1',
+    href: 'http://[fe80::1]/a/b?a=b#abc',
+    search: '?a=b',
+    query: 'a=b',
+    hash: '#abc',
+    pathname: '/a/b',
+    path: '/a/b?a=b'
+  },
+
+  'http://-lovemonsterz.tumblr.com/rss': {
+    protocol: 'http:',
+    slashes: true,
+    host: '-lovemonsterz.tumblr.com',
+    hostname: '-lovemonsterz.tumblr.com',
+    href: 'http://-lovemonsterz.tumblr.com/rss',
+    pathname: '/rss',
+    path: '/rss'
+  },
+
+  'http://-lovemonsterz.tumblr.com:80/rss': {
+    protocol: 'http:',
+    slashes: true,
+    port: '80',
+    host: '-lovemonsterz.tumblr.com:80',
+    hostname: '-lovemonsterz.tumblr.com',
+    href: 'http://-lovemonsterz.tumblr.com:80/rss',
+    pathname: '/rss',
+    path: '/rss'
+  },
+
+  'http://user:pass@-lovemonsterz.tumblr.com/rss': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pass',
+    host: '-lovemonsterz.tumblr.com',
+    hostname: '-lovemonsterz.tumblr.com',
+    href: 'http://user:pass@-lovemonsterz.tumblr.com/rss',
+    pathname: '/rss',
+    path: '/rss'
+  },
+
+  'http://user:pass@-lovemonsterz.tumblr.com:80/rss': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pass',
+    port: '80',
+    host: '-lovemonsterz.tumblr.com:80',
+    hostname: '-lovemonsterz.tumblr.com',
+    href: 'http://user:pass@-lovemonsterz.tumblr.com:80/rss',
+    pathname: '/rss',
+    path: '/rss'
+  },
+
+  'http://_jabber._tcp.google.com/test': {
+    protocol: 'http:',
+    slashes: true,
+    host: '_jabber._tcp.google.com',
+    hostname: '_jabber._tcp.google.com',
+    href: 'http://_jabber._tcp.google.com/test',
+    pathname: '/test',
+    path: '/test'
+  },
+
+  'http://user:pass@_jabber._tcp.google.com/test': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pass',
+    host: '_jabber._tcp.google.com',
+    hostname: '_jabber._tcp.google.com',
+    href: 'http://user:pass@_jabber._tcp.google.com/test',
+    pathname: '/test',
+    path: '/test'
+  },
+
+  'http://_jabber._tcp.google.com:80/test': {
+    protocol: 'http:',
+    slashes: true,
+    port: '80',
+    host: '_jabber._tcp.google.com:80',
+    hostname: '_jabber._tcp.google.com',
+    href: 'http://_jabber._tcp.google.com:80/test',
+    pathname: '/test',
+    path: '/test'
+  },
+
+  'http://user:pass@_jabber._tcp.google.com:80/test': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'user:pass',
+    port: '80',
+    host: '_jabber._tcp.google.com:80',
+    hostname: '_jabber._tcp.google.com',
+    href: 'http://user:pass@_jabber._tcp.google.com:80/test',
+    pathname: '/test',
+    path: '/test'
+  },
+
+  'http://x:1/\' <>"`/{}|\\^~`/': {
+    protocol: 'http:',
+    slashes: true,
+    host: 'x:1',
+    port: '1',
+    hostname: 'x',
+    pathname: '/%27%20%3C%3E%22%60/%7B%7D%7C/%5E~%60/',
+    path: '/%27%20%3C%3E%22%60/%7B%7D%7C/%5E~%60/',
+    href: 'http://x:1/%27%20%3C%3E%22%60/%7B%7D%7C/%5E~%60/'
+  },
+
+  'http://a@b@c/': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'a@b',
+    host: 'c',
+    hostname: 'c',
+    href: 'http://a%40b@c/',
+    path: '/',
+    pathname: '/'
+  },
+
+  'http://a@b?@c': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'a',
+    host: 'b',
+    hostname: 'b',
+    href: 'http://a@b/?@c',
+    path: '/?@c',
+    pathname: '/',
+    search: '?@c',
+    query: '@c'
+  },
+
+  'http://a\r" \t\n<\'b:b@c\r\nd/e?f': {
+    protocol: 'http:',
+    slashes: true,
+    auth: 'a\r" \t\n<\'b:b',
+    host: 'c',
+    port: null,
+    hostname: 'c',
+    hash: null,
+    search: '?f',
+    query: 'f',
+    pathname: '%0D%0Ad/e',
+    path: '%0D%0Ad/e?f',
+    href: 'http://a%0D%22%20%09%0A%3C\'b:b@c/%0D%0Ad/e?f'
+  },
+
+  // git urls used by npm
+  'git+ssh://git@github.com:npm/npm': {
+    protocol: 'git+ssh:',
+    slashes: true,
+    auth: 'git',
+    host: 'github.com',
+    port: null,
+    hostname: 'github.com',
+    hash: null,
+    search: null,
+    query: null,
+    pathname: '/:npm/npm',
+    path: '/:npm/npm',
+    href: 'git+ssh://git@github.com/:npm/npm'
+  }
+
+};
+
+Object.keys(parseTests).forEach(function (u) {
+  test('parse(' + u + ')', function () {
+    var actual = url.parse(u);
+    var spaced = url.parse('     \t  ' + u + '\n\t');
+    var expected = parseTests[u];
+
+    Object.keys(actual).forEach(function (i) {
+      if (expected[i] === undefined && actual[i] === null) {
+        expected[i] = null;
+      }
+    });
+
+    assert.deepEqual(actual, expected);
+    assert.deepEqual(spaced, expected);
+
+    var expected = parseTests[u].href,
+      actual = url.format(parseTests[u]);
+
+    assert.equal(actual, expected, 'format(' + u + ') == ' + u + '\nactual:' + actual);
+  });
+});
+
+var parseTestsWithQueryString = {
+  '/foo/bar?baz=quux#frag': {
+    href: '/foo/bar?baz=quux#frag',
+    hash: '#frag',
+    search: '?baz=quux',
+    query: {
+      baz: 'quux'
+    },
+    pathname: '/foo/bar',
+    path: '/foo/bar?baz=quux'
+  },
+  'http://example.com': {
+    href: 'http://example.com/',
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    query: {},
+    search: '',
+    pathname: '/',
+    path: '/'
+  },
+  '/example': {
+    protocol: null,
+    slashes: null,
+    auth: null,
+    host: null,
+    port: null,
+    hostname: null,
+    hash: null,
+    search: '',
+    query: {},
+    pathname: '/example',
+    path: '/example',
+    href: '/example'
+  },
+  '/example?query=value': {
+    protocol: null,
+    slashes: null,
+    auth: null,
+    host: null,
+    port: null,
+    hostname: null,
+    hash: null,
+    search: '?query=value',
+    query: { query: 'value' },
+    pathname: '/example',
+    path: '/example?query=value',
+    href: '/example?query=value'
+  }
+};
+
+Object.keys(parseTestsWithQueryString).forEach(function (u) {
+  test('parse(' + u + ')', function () {
+    var actual = url.parse(u, true);
+    var expected = parseTestsWithQueryString[u];
+    for (var i in actual) {
+      if (actual[i] === null && expected[i] === undefined) {
+        expected[i] = null;
+      }
+    }
+
+    assert.deepEqual(actual, expected);
+  });
+});
+
+/*
+ * some extra formatting tests, just to verify
+ * that it'll format slightly wonky content to a valid url.
+ */
+var formatTests = {
+  'http://example.com?': {
+    href: 'http://example.com/?',
+    protocol: 'http:',
+    slashes: true,
+    host: 'example.com',
+    hostname: 'example.com',
+    search: '?',
+    query: {},
+    pathname: '/'
+  },
+  'http://example.com?foo=bar#frag': {
+    href: 'http://example.com/?foo=bar#frag',
+    protocol: 'http:',
+    host: 'example.com',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?foo=bar',
+    query: 'foo=bar',
+    pathname: '/'
+  },
+  'http://example.com?foo=@bar#frag': {
+    href: 'http://example.com/?foo=@bar#frag',
+    protocol: 'http:',
+    host: 'example.com',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?foo=@bar',
+    query: 'foo=@bar',
+    pathname: '/'
+  },
+  'http://example.com?foo=/bar/#frag': {
+    href: 'http://example.com/?foo=/bar/#frag',
+    protocol: 'http:',
+    host: 'example.com',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?foo=/bar/',
+    query: 'foo=/bar/',
+    pathname: '/'
+  },
+  'http://example.com?foo=?bar/#frag': {
+    href: 'http://example.com/?foo=?bar/#frag',
+    protocol: 'http:',
+    host: 'example.com',
+    hostname: 'example.com',
+    hash: '#frag',
+    search: '?foo=?bar/',
+    query: 'foo=?bar/',
+    pathname: '/'
+  },
+  'http://example.com#frag=?bar/#frag': {
+    href: 'http://example.com/#frag=?bar/#frag',
+    protocol: 'http:',
+    host: 'example.com',
+    hostname: 'example.com',
+    hash: '#frag=?bar/#frag',
+    pathname: '/'
+  },
+  'http://google.com" onload="alert(42)/': {
+    href: 'http://google.com/%22%20onload=%22alert(42)/',
+    protocol: 'http:',
+    host: 'google.com',
+    pathname: '/%22%20onload=%22alert(42)/'
+  },
+  'http://a.com/a/b/c?s#h': {
+    href: 'http://a.com/a/b/c?s#h',
+    protocol: 'http',
+    host: 'a.com',
+    pathname: 'a/b/c',
+    hash: 'h',
+    search: 's'
+  },
+  'xmpp:isaacschlueter@jabber.org': {
+    href: 'xmpp:isaacschlueter@jabber.org',
+    protocol: 'xmpp:',
+    host: 'jabber.org',
+    auth: 'isaacschlueter',
+    hostname: 'jabber.org'
+  },
+  'http://atpass:foo%40bar@127.0.0.1/': {
+    href: 'http://atpass:foo%40bar@127.0.0.1/',
+    auth: 'atpass:foo@bar',
+    hostname: '127.0.0.1',
+    protocol: 'http:',
+    pathname: '/'
+  },
+  'http://atslash%2F%40:%2F%40@foo/': {
+    href: 'http://atslash%2F%40:%2F%40@foo/',
+    auth: 'atslash/@:/@',
+    hostname: 'foo',
+    protocol: 'http:',
+    pathname: '/'
+  },
+  'svn+ssh://foo/bar': {
+    href: 'svn+ssh://foo/bar',
+    hostname: 'foo',
+    protocol: 'svn+ssh:',
+    pathname: '/bar',
+    slashes: true
+  },
+  'dash-test://foo/bar': {
+    href: 'dash-test://foo/bar',
+    hostname: 'foo',
+    protocol: 'dash-test:',
+    pathname: '/bar',
+    slashes: true
+  },
+  'dash-test:foo/bar': {
+    href: 'dash-test:foo/bar',
+    hostname: 'foo',
+    protocol: 'dash-test:',
+    pathname: '/bar'
+  },
+  'dot.test://foo/bar': {
+    href: 'dot.test://foo/bar',
+    hostname: 'foo',
+    protocol: 'dot.test:',
+    pathname: '/bar',
+    slashes: true
+  },
+  'dot.test:foo/bar': {
+    href: 'dot.test:foo/bar',
+    hostname: 'foo',
+    protocol: 'dot.test:',
+    pathname: '/bar'
+  },
+  // ipv6 support
+  'coap:u:p@[::1]:61616/.well-known/r?n=Temperature': {
+    href: 'coap:u:p@[::1]:61616/.well-known/r?n=Temperature',
+    protocol: 'coap:',
+    auth: 'u:p',
+    hostname: '::1',
+    port: '61616',
+    pathname: '/.well-known/r',
+    search: 'n=Temperature'
+  },
+  'coap:[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:61616/s/stopButton': {
+    href: 'coap:[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:61616/s/stopButton',
+    protocol: 'coap',
+    host: '[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:61616',
+    pathname: '/s/stopButton'
+  },
+
+  /*
+   * encode context-specific delimiters in path and query, but do not touch
+   * other non-delimiter chars like `%`.
+   * <https://github.com/joyent/node/issues/4082>
+   */
+
+  // `#`,`?` in path
+  '/path/to/%%23%3F+=&.txt?foo=theA1#bar': {
+    href: '/path/to/%%23%3F+=&.txt?foo=theA1#bar',
+    pathname: '/path/to/%#?+=&.txt',
+    query: {
+      foo: 'theA1'
+    },
+    hash: '#bar'
+  },
+
+  // `#`,`?` in path + `#` in query
+  '/path/to/%%23%3F+=&.txt?foo=the%231#bar': {
+    href: '/path/to/%%23%3F+=&.txt?foo=the%231#bar',
+    pathname: '/path/to/%#?+=&.txt',
+    query: {
+      foo: 'the#1'
+    },
+    hash: '#bar'
+  },
+
+  // `?` and `#` in path and search
+  'http://ex.com/foo%3F100%m%23r?abc=the%231?&foo=bar#frag': {
+    href: 'http://ex.com/foo%3F100%m%23r?abc=the%231?&foo=bar#frag',
+    protocol: 'http:',
+    hostname: 'ex.com',
+    hash: '#frag',
+    search: '?abc=the#1?&foo=bar',
+    pathname: '/foo?100%m#r'
+  },
+
+  // `?` and `#` in search only
+  'http://ex.com/fooA100%mBr?abc=the%231?&foo=bar#frag': {
+    href: 'http://ex.com/fooA100%mBr?abc=the%231?&foo=bar#frag',
+    protocol: 'http:',
+    hostname: 'ex.com',
+    hash: '#frag',
+    search: '?abc=the#1?&foo=bar',
+    pathname: '/fooA100%mBr'
+  },
+
+  // colons in keys
+  'https://cdpn.io/test?custom%3Aid=12': {
+    href: 'https://cdpn.io/test?custom%3Aid=12',
+    protocol: 'https:',
+    hostname: 'cdpn.io',
+    hash: '',
+    search: '?custom%3Aid=12',
+    pathname: '/test',
+    query: {
+      'custom:id': '12'
+    }
+  }
+};
+
+Object.keys(formatTests).forEach(function (u) {
+  test('format(' + u + ')', function () {
+    var expect = formatTests[u].href;
+    delete formatTests[u].href;
+    var actual = url.format(u);
+    var actualObj = url.format(formatTests[u]);
+    assert.equal(actual, expect, 'wonky format(' + u + ') == ' + expect + '\nactual:' + actual);
+    assert.equal(actualObj, expect, 'wonky format(' + JSON.stringify(formatTests[u]) + ') == ' + expect + '\nactual: ' + actualObj);
+  });
+});
+
+/*
+ *[from, path, expected]
+ */
+var relativeTests = [
+  [
+    '/foo/bar/baz', 'quux', '/foo/bar/quux'
+  ],
+  [
+    '/foo/bar/baz', 'quux/asdf', '/foo/bar/quux/asdf'
+  ],
+  [
+    '/foo/bar/baz', 'quux/baz', '/foo/bar/quux/baz'
+  ],
+  [
+    '/foo/bar/baz', '../quux/baz', '/foo/quux/baz'
+  ],
+  [
+    '/foo/bar/baz', '/bar', '/bar'
+  ],
+  [
+    '/foo/bar/baz/', 'quux', '/foo/bar/baz/quux'
+  ],
+  [
+    '/foo/bar/baz/', 'quux/baz', '/foo/bar/baz/quux/baz'
+  ],
+  [
+    '/foo/bar/baz', '../../../../../../../../quux/baz', '/quux/baz'
+  ],
+  [
+    '/foo/bar/baz', '../../../../../../../quux/baz', '/quux/baz'
+  ],
+  [
+    '/foo', '.', '/'
+  ],
+  [
+    '/foo', '..', '/'
+  ],
+  [
+    '/foo/', '.', '/foo/'
+  ],
+  [
+    '/foo/', '..', '/'
+  ],
+  [
+    '/foo/bar', '.', '/foo/'
+  ],
+  [
+    '/foo/bar', '..', '/'
+  ],
+  [
+    '/foo/bar/', '.', '/foo/bar/'
+  ],
+  [
+    '/foo/bar/', '..', '/foo/'
+  ],
+  [
+    'foo/bar', '../../../baz', '../../baz'
+  ],
+  [
+    'foo/bar/', '../../../baz', '../baz'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg', 'https:#hash2', 'https:///#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'https:/p/a/t/h?s#hash2',
+    'https://p/a/t/h?s#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'https://u:p@h.com/p/a/t/h?s#hash2',
+    'https://u:p@h.com/p/a/t/h?s#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'https:/a/b/c/d',
+    'https://a/b/c/d'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'http:#hash2',
+    'http://example.com/b//c//d;p?q#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'http:/p/a/t/h?s#hash2',
+    'http://example.com/p/a/t/h?s#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'http://u:p@h.com/p/a/t/h?s#hash2',
+    'http://u:p@h.com/p/a/t/h?s#hash2'
+  ],
+  [
+    'http://example.com/b//c//d;p?q#blarg',
+    'http:/a/b/c/d',
+    'http://example.com/a/b/c/d'
+  ],
+  [
+    '/foo/bar/baz', '/../etc/passwd', '/etc/passwd'
+  ]
+];
+
+relativeTests.forEach(function (relativeTest) {
+  test('resolve(' + [relativeTest[0], relativeTest[1]] + ')', function () {
+    var a = url.resolve(relativeTest[0], relativeTest[1]),
+      e = relativeTest[2];
+    assert.equal(a, e, 'resolve(' + [relativeTest[0], relativeTest[1]] + ') == ' + e + '\n  actual=' + a);
+  });
+});
+
+// https://github.com/joyent/node/issues/568
+[
+  undefined,
+  null,
+  true,
+  false,
+  0.0,
+  0,
+  [],
+  {}
+].forEach(function (val) {
+  test('parse(' + val + ')', function () {
+    assert['throws'](function () { url.parse(val); }, TypeError);
+  });
+});
+
+/*
+ *
+ * Tests below taken from Chiron
+ * http://code.google.com/p/chironjs/source/browse/trunk/src/test/http/url.js
+ *
+ * Copyright (c) 2002-2008 Kris Kowal <http://cixar.com/~kris.kowal>
+ * used with permission under MIT License
+ *
+ * Changes marked with @isaacs
+ */
+
+var bases = [
+  'http://a/b/c/d;p?q',
+  'http://a/b/c/d;p?q=1/2',
+  'http://a/b/c/d;p=1/2?q',
+  'fred:///s//a/b/c',
+  'http:///s//a/b/c'
+];
+
+// [to, from, result]
+var relativeTests2 = [
+  // http://lists.w3.org/Archives/Public/uri/2004Feb/0114.html
+  [
+    '../c', 'foo:a/b', 'foo:c'
+  ],
+  [
+    'foo:.', 'foo:a', 'foo:'
+  ],
+  [
+    '/foo/../../../bar', 'zz:abc', 'zz:/bar'
+  ],
+  [
+    '/foo/../bar', 'zz:abc', 'zz:/bar'
+  ],
+  // @isaacs Disagree. Not how web browsers resolve this.
+  [
+    'foo/../../../bar', 'zz:abc', 'zz:bar'
+  ],
+  // ['foo/../../../bar',  'zz:abc', 'zz:../../bar'], // @isaacs Added
+  [
+    'foo/../bar', 'zz:abc', 'zz:bar'
+  ],
+  [
+    'zz:.', 'zz:abc', 'zz:'
+  ],
+  [
+    '/.', bases[0], 'http://a/'
+  ],
+  [
+    '/.foo', bases[0], 'http://a/.foo'
+  ],
+  [
+    '.foo', bases[0], 'http://a/b/c/.foo'
+  ],
+
+  /*
+   * http://gbiv.com/protocols/uri/test/rel_examples1.html
+   * examples from RFC 2396
+   */
+  [
+    'g:h', bases[0], 'g:h'
+  ],
+  [
+    'g', bases[0], 'http://a/b/c/g'
+  ],
+  [
+    './g', bases[0], 'http://a/b/c/g'
+  ],
+  [
+    'g/', bases[0], 'http://a/b/c/g/'
+  ],
+  [
+    '/g', bases[0], 'http://a/g'
+  ],
+  [
+    '//g', bases[0], 'http://g/'
+  ],
+  /*
+   *  changed with RFC 2396bis
+   * ('?y', bases[0], 'http://a/b/c/d;p?y'],
+   */
+  [
+    '?y', bases[0], 'http://a/b/c/d;p?y'
+  ],
+  [
+    'g?y', bases[0], 'http://a/b/c/g?y'
+  ],
+  /*
+   *  changed with RFC 2396bis
+   * ('#s', bases[0], CURRENT_DOC_URI + '#s'],
+   */
+  [
+    '#s', bases[0], 'http://a/b/c/d;p?q#s'
+  ],
+  [
+    'g#s', bases[0], 'http://a/b/c/g#s'
+  ],
+  [
+    'g?y#s', bases[0], 'http://a/b/c/g?y#s'
+  ],
+  [
+    ';x', bases[0], 'http://a/b/c/;x'
+  ],
+  [
+    'g;x', bases[0], 'http://a/b/c/g;x'
+  ],
+  [
+    'g;x?y#s', bases[0], 'http://a/b/c/g;x?y#s'
+  ],
+  /*
+   *  changed with RFC 2396bis
+   * ('', bases[0], CURRENT_DOC_URI],
+   */
+  [
+    '', bases[0], 'http://a/b/c/d;p?q'
+  ],
+  [
+    '.', bases[0], 'http://a/b/c/'
+  ],
+  [
+    './', bases[0], 'http://a/b/c/'
+  ],
+  [
+    '..', bases[0], 'http://a/b/'
+  ],
+  [
+    '../', bases[0], 'http://a/b/'
+  ],
+  [
+    '../g', bases[0], 'http://a/b/g'
+  ],
+  [
+    '../..', bases[0], 'http://a/'
+  ],
+  [
+    '../../', bases[0], 'http://a/'
+  ],
+  [
+    '../../g', bases[0], 'http://a/g'
+  ],
+  [
+    '../../../g', bases[0], ('http://a/../g', 'http://a/g')
+  ],
+  [
+    '../../../../g', bases[0], ('http://a/../../g', 'http://a/g')
+  ],
+  /*
+   *  changed with RFC 2396bis
+   * ('/./g', bases[0], 'http://a/./g'],
+   */
+  [
+    '/./g', bases[0], 'http://a/g'
+  ],
+  /*
+   *  changed with RFC 2396bis
+   * ('/../g', bases[0], 'http://a/../g'],
+   */
+  [
+    '/../g', bases[0], 'http://a/g'
+  ],
+  [
+    'g.', bases[0], 'http://a/b/c/g.'
+  ],
+  [
+    '.g', bases[0], 'http://a/b/c/.g'
+  ],
+  [
+    'g..', bases[0], 'http://a/b/c/g..'
+  ],
+  [
+    '..g', bases[0], 'http://a/b/c/..g'
+  ],
+  [
+    './../g', bases[0], 'http://a/b/g'
+  ],
+  [
+    './g/.', bases[0], 'http://a/b/c/g/'
+  ],
+  [
+    'g/./h', bases[0], 'http://a/b/c/g/h'
+  ],
+  [
+    'g/../h', bases[0], 'http://a/b/c/h'
+  ],
+  [
+    'g;x=1/./y', bases[0], 'http://a/b/c/g;x=1/y'
+  ],
+  [
+    'g;x=1/../y', bases[0], 'http://a/b/c/y'
+  ],
+  [
+    'g?y/./x', bases[0], 'http://a/b/c/g?y/./x'
+  ],
+  [
+    'g?y/../x', bases[0], 'http://a/b/c/g?y/../x'
+  ],
+  [
+    'g#s/./x', bases[0], 'http://a/b/c/g#s/./x'
+  ],
+  [
+    'g#s/../x', bases[0], 'http://a/b/c/g#s/../x'
+  ],
+  [
+    'http:g', bases[0], ('http:g', 'http://a/b/c/g')
+  ],
+  [
+    'http:', bases[0], ('http:', bases[0])
+  ],
+  // not sure where this one originated
+  [
+    '/a/b/c/./../../g', bases[0], 'http://a/a/g'
+  ],
+
+  /*
+   * http://gbiv.com/protocols/uri/test/rel_examples2.html
+   * slashes in base URI's query args
+   */
+  [
+    'g', bases[1], 'http://a/b/c/g'
+  ],
+  [
+    './g', bases[1], 'http://a/b/c/g'
+  ],
+  [
+    'g/', bases[1], 'http://a/b/c/g/'
+  ],
+  [
+    '/g', bases[1], 'http://a/g'
+  ],
+  [
+    '//g', bases[1], 'http://g/'
+  ],
+  /*
+   *  changed in RFC 2396bis
+   * ('?y', bases[1], 'http://a/b/c/?y'],
+   */
+  [
+    '?y', bases[1], 'http://a/b/c/d;p?y'
+  ],
+  [
+    'g?y', bases[1], 'http://a/b/c/g?y'
+  ],
+  [
+    'g?y/./x', bases[1], 'http://a/b/c/g?y/./x'
+  ],
+  [
+    'g?y/../x', bases[1], 'http://a/b/c/g?y/../x'
+  ],
+  [
+    'g#s', bases[1], 'http://a/b/c/g#s'
+  ],
+  [
+    'g#s/./x', bases[1], 'http://a/b/c/g#s/./x'
+  ],
+  [
+    'g#s/../x', bases[1], 'http://a/b/c/g#s/../x'
+  ],
+  [
+    './', bases[1], 'http://a/b/c/'
+  ],
+  [
+    '../', bases[1], 'http://a/b/'
+  ],
+  [
+    '../g', bases[1], 'http://a/b/g'
+  ],
+  [
+    '../../', bases[1], 'http://a/'
+  ],
+  [
+    '../../g', bases[1], 'http://a/g'
+  ],
+
+  /*
+   * http://gbiv.com/protocols/uri/test/rel_examples3.html
+   * slashes in path params
+   * all of these changed in RFC 2396bis
+   */
+  [
+    'g', bases[2], 'http://a/b/c/d;p=1/g'
+  ],
+  [
+    './g', bases[2], 'http://a/b/c/d;p=1/g'
+  ],
+  [
+    'g/', bases[2], 'http://a/b/c/d;p=1/g/'
+  ],
+  [
+    'g?y', bases[2], 'http://a/b/c/d;p=1/g?y'
+  ],
+  [
+    ';x', bases[2], 'http://a/b/c/d;p=1/;x'
+  ],
+  [
+    'g;x', bases[2], 'http://a/b/c/d;p=1/g;x'
+  ],
+  [
+    'g;x=1/./y', bases[2], 'http://a/b/c/d;p=1/g;x=1/y'
+  ],
+  [
+    'g;x=1/../y', bases[2], 'http://a/b/c/d;p=1/y'
+  ],
+  [
+    './', bases[2], 'http://a/b/c/d;p=1/'
+  ],
+  [
+    '../', bases[2], 'http://a/b/c/'
+  ],
+  [
+    '../g', bases[2], 'http://a/b/c/g'
+  ],
+  [
+    '../../', bases[2], 'http://a/b/'
+  ],
+  [
+    '../../g', bases[2], 'http://a/b/g'
+  ],
+
+  /*
+   * http://gbiv.com/protocols/uri/test/rel_examples4.html
+   * double and triple slash, unknown scheme
+   */
+  [
+    'g:h', bases[3], 'g:h'
+  ],
+  [
+    'g', bases[3], 'fred:///s//a/b/g'
+  ],
+  [
+    './g', bases[3], 'fred:///s//a/b/g'
+  ],
+  [
+    'g/', bases[3], 'fred:///s//a/b/g/'
+  ],
+  [
+    '/g', bases[3], 'fred:///g'
+  ], // may change to fred:///s//a/g
+  [
+    '//g', bases[3], 'fred://g'
+  ], // may change to fred:///s//g
+  [
+    '//g/x', bases[3], 'fred://g/x'
+  ], // may change to fred:///s//g/x
+  [
+    '///g', bases[3], 'fred:///g'
+  ],
+  [
+    './', bases[3], 'fred:///s//a/b/'
+  ],
+  [
+    '../', bases[3], 'fred:///s//a/'
+  ],
+  [
+    '../g', bases[3], 'fred:///s//a/g'
+  ],
+
+  [
+    '../../', bases[3], 'fred:///s//'
+  ],
+  [
+    '../../g', bases[3], 'fred:///s//g'
+  ],
+  [
+    '../../../g', bases[3], 'fred:///s/g'
+  ],
+  // may change to fred:///s//a/../../../g
+  [
+    '../../../../g', bases[3], 'fred:///g'
+  ],
+
+  /*
+   * http://gbiv.com/protocols/uri/test/rel_examples5.html
+   * double and triple slash, well-known scheme
+   */
+  [
+    'g:h', bases[4], 'g:h'
+  ],
+  [
+    'g', bases[4], 'http:///s//a/b/g'
+  ],
+  [
+    './g', bases[4], 'http:///s//a/b/g'
+  ],
+  [
+    'g/', bases[4], 'http:///s//a/b/g/'
+  ],
+  [
+    '/g', bases[4], 'http:///g'
+  ], // may change to http:///s//a/g
+  [
+    '//g', bases[4], 'http://g/'
+  ], // may change to http:///s//g
+  [
+    '//g/x', bases[4], 'http://g/x'
+  ], // may change to http:///s//g/x
+  [
+    '///g', bases[4], 'http:///g'
+  ],
+  [
+    './', bases[4], 'http:///s//a/b/'
+  ],
+  [
+    '../', bases[4], 'http:///s//a/'
+  ],
+  [
+    '../g', bases[4], 'http:///s//a/g'
+  ],
+  [
+    '../../', bases[4], 'http:///s//'
+  ],
+  [
+    '../../g', bases[4], 'http:///s//g'
+  ],
+  // may change to http:///s//a/../../g
+  [
+    '../../../g', bases[4], 'http:///s/g'
+  ],
+  // may change to http:///s//a/../../../g
+  [
+    '../../../../g', bases[4], 'http:///g'
+  ],
+
+  // from Dan Connelly's tests in http://www.w3.org/2000/10/swap/uripath.py
+  [
+    'bar:abc', 'foo:xyz', 'bar:abc'
+  ],
+  [
+    '../abc', 'http://example/x/y/z', 'http://example/x/abc'
+  ],
+  [
+    'http://example/x/abc', 'http://example2/x/y/z', 'http://example/x/abc'
+  ],
+  [
+    '../r', 'http://ex/x/y/z', 'http://ex/x/r'
+  ],
+  [
+    'q/r', 'http://ex/x/y', 'http://ex/x/q/r'
+  ],
+  [
+    'q/r#s', 'http://ex/x/y', 'http://ex/x/q/r#s'
+  ],
+  [
+    'q/r#s/t', 'http://ex/x/y', 'http://ex/x/q/r#s/t'
+  ],
+  [
+    'ftp://ex/x/q/r', 'http://ex/x/y', 'ftp://ex/x/q/r'
+  ],
+  [
+    '', 'http://ex/x/y', 'http://ex/x/y'
+  ],
+  [
+    '', 'http://ex/x/y/', 'http://ex/x/y/'
+  ],
+  [
+    '', 'http://ex/x/y/pdq', 'http://ex/x/y/pdq'
+  ],
+  [
+    'z/', 'http://ex/x/y/', 'http://ex/x/y/z/'
+  ],
+  [
+    '#Animal',
+    'file:/swap/test/animal.rdf',
+    'file:/swap/test/animal.rdf#Animal'
+  ],
+  [
+    '../abc', 'file:/e/x/y/z', 'file:/e/x/abc'
+  ],
+  [
+    '/example/x/abc', 'file:/example2/x/y/z', 'file:/example/x/abc'
+  ],
+  [
+    '../r', 'file:/ex/x/y/z', 'file:/ex/x/r'
+  ],
+  [
+    '/r', 'file:/ex/x/y/z', 'file:/r'
+  ],
+  [
+    'q/r', 'file:/ex/x/y', 'file:/ex/x/q/r'
+  ],
+  [
+    'q/r#s', 'file:/ex/x/y', 'file:/ex/x/q/r#s'
+  ],
+  [
+    'q/r#', 'file:/ex/x/y', 'file:/ex/x/q/r#'
+  ],
+  [
+    'q/r#s/t', 'file:/ex/x/y', 'file:/ex/x/q/r#s/t'
+  ],
+  [
+    'ftp://ex/x/q/r', 'file:/ex/x/y', 'ftp://ex/x/q/r'
+  ],
+  [
+    '', 'file:/ex/x/y', 'file:/ex/x/y'
+  ],
+  [
+    '', 'file:/ex/x/y/', 'file:/ex/x/y/'
+  ],
+  [
+    '', 'file:/ex/x/y/pdq', 'file:/ex/x/y/pdq'
+  ],
+  [
+    'z/', 'file:/ex/x/y/', 'file:/ex/x/y/z/'
+  ],
+  [
+    'file://meetings.example.com/cal#m1',
+    'file:/devel/WWW/2000/10/swap/test/reluri-1.n3',
+    'file://meetings.example.com/cal#m1'
+  ],
+  [
+    'file://meetings.example.com/cal#m1',
+    'file:/home/connolly/w3ccvs/WWW/2000/10/swap/test/reluri-1.n3',
+    'file://meetings.example.com/cal#m1'
+  ],
+  [
+    './#blort', 'file:/some/dir/foo', 'file:/some/dir/#blort'
+  ],
+  [
+    './#', 'file:/some/dir/foo', 'file:/some/dir/#'
+  ],
+  // Ryan Lee
+  [
+    './', 'http://example/x/abc.efg', 'http://example/x/'
+  ],
+
+  /*
+   * Graham Klyne's tests
+   * http://www.ninebynine.org/Software/HaskellUtils/Network/UriTest.xls
+   * 01-31 are from Connelly's cases
+   */
+
+  // 32-49
+  [
+    './q:r', 'http://ex/x/y', 'http://ex/x/q:r'
+  ],
+  [
+    './p=q:r', 'http://ex/x/y', 'http://ex/x/p=q:r'
+  ],
+  [
+    '?pp/rr', 'http://ex/x/y?pp/qq', 'http://ex/x/y?pp/rr'
+  ],
+  [
+    'y/z', 'http://ex/x/y?pp/qq', 'http://ex/x/y/z'
+  ],
+  [
+    'local/qual@domain.org#frag',
+    'mailto:local',
+    'mailto:local/qual@domain.org#frag'
+  ],
+  [
+    'more/qual2@domain2.org#frag',
+    'mailto:local/qual1@domain1.org',
+    'mailto:local/more/qual2@domain2.org#frag'
+  ],
+  [
+    'y?q', 'http://ex/x/y?q', 'http://ex/x/y?q'
+  ],
+  [
+    '/x/y?q', 'http://ex?p', 'http://ex/x/y?q'
+  ],
+  [
+    'c/d', 'foo:a/b', 'foo:a/c/d'
+  ],
+  [
+    '/c/d', 'foo:a/b', 'foo:/c/d'
+  ],
+  [
+    '', 'foo:a/b?c#d', 'foo:a/b?c'
+  ],
+  [
+    'b/c', 'foo:a', 'foo:b/c'
+  ],
+  [
+    '../b/c', 'foo:/a/y/z', 'foo:/a/b/c'
+  ],
+  [
+    './b/c', 'foo:a', 'foo:b/c'
+  ],
+  [
+    '/./b/c', 'foo:a', 'foo:/b/c'
+  ],
+  [
+    '../../d', 'foo://a//b/c', 'foo://a/d'
+  ],
+  [
+    '.', 'foo:a', 'foo:'
+  ],
+  [
+    '..', 'foo:a', 'foo:'
+  ],
+
+  /*
+   * 50-57[cf. TimBL comments --
+   *  http://lists.w3.org/Archives/Public/uri/2003Feb/0028.html,
+   *  http://lists.w3.org/Archives/Public/uri/2003Jan/0008.html)
+   */
+  [
+    'abc', 'http://example/x/y%2Fz', 'http://example/x/abc'
+  ],
+  [
+    '../../x%2Fabc', 'http://example/a/x/y/z', 'http://example/a/x%2Fabc'
+  ],
+  [
+    '../x%2Fabc', 'http://example/a/x/y%2Fz', 'http://example/a/x%2Fabc'
+  ],
+  [
+    'abc', 'http://example/x%2Fy/z', 'http://example/x%2Fy/abc'
+  ],
+  [
+    'q%3Ar', 'http://ex/x/y', 'http://ex/x/q%3Ar'
+  ],
+  [
+    '/x%2Fabc', 'http://example/x/y%2Fz', 'http://example/x%2Fabc'
+  ],
+  [
+    '/x%2Fabc', 'http://example/x/y/z', 'http://example/x%2Fabc'
+  ],
+  [
+    '/x%2Fabc', 'http://example/x/y%2Fz', 'http://example/x%2Fabc'
+  ],
+
+  // 70-77
+  [
+    'local2@domain2', 'mailto:local1@domain1?query1', 'mailto:local2@domain2'
+  ],
+  [
+    'local2@domain2?query2',
+    'mailto:local1@domain1',
+    'mailto:local2@domain2?query2'
+  ],
+  [
+    'local2@domain2?query2',
+    'mailto:local1@domain1?query1',
+    'mailto:local2@domain2?query2'
+  ],
+  [
+    '?query2', 'mailto:local@domain?query1', 'mailto:local@domain?query2'
+  ],
+  [
+    'local@domain?query2', 'mailto:?query1', 'mailto:local@domain?query2'
+  ],
+  [
+    '?query2', 'mailto:local@domain?query1', 'mailto:local@domain?query2'
+  ],
+  [
+    'http://example/a/b?c/../d', 'foo:bar', 'http://example/a/b?c/../d'
+  ],
+  [
+    'http://example/a/b#c/../d', 'foo:bar', 'http://example/a/b#c/../d'
+  ],
+
+  /*
+   * 82-88
+   * @isaacs Disagree. Not how browsers do it.
+   * ['http:this', 'http://example.org/base/uri', 'http:this'],
+   * @isaacs Added
+   */
+  [
+    'http:this', 'http://example.org/base/uri', 'http://example.org/base/this'
+  ],
+  [
+    'http:this', 'http:base', 'http:this'
+  ],
+  [
+    './/g', 'f:/a', 'f://g'
+  ],
+  [
+    'b/c//d/e', 'f://example.org/base/a', 'f://example.org/base/b/c//d/e'
+  ],
+  [
+    'm2@example.ord/c2@example.org',
+    'mid:m@example.ord/c@example.org',
+    'mid:m@example.ord/m2@example.ord/c2@example.org'
+  ],
+  [
+    'mini1.xml',
+    'file:///C:/DEV/Haskell/lib/HXmlToolbox-3.01/examples/',
+    'file:///C:/DEV/Haskell/lib/HXmlToolbox-3.01/examples/mini1.xml'
+  ],
+  [
+    '../b/c', 'foo:a/y/z', 'foo:a/b/c'
+  ],
+
+  // changeing auth
+  [
+    'http://diff:auth@www.example.com',
+    'http://asdf:qwer@www.example.com',
+    'http://diff:auth@www.example.com/'
+  ]
+];
+
+relativeTests2.forEach(function (relativeTest) {
+  test('resolve(' + [relativeTest[1], relativeTest[0]] + ')', function () {
+    var a = url.resolve(relativeTest[1], relativeTest[0]),
+      e = relativeTest[2];
+    assert.equal(a, e, 'resolve(' + [relativeTest[1], relativeTest[0]] + ') == ' + e + '\n  actual=' + a);
+  });
+});
+
+/*
+ * if format and parse are inverse operations then
+ * resolveObject(parse(x), y) == parse(resolve(x, y))
+ */
+
+// host and hostname are special, in this case a '' value is important
+/* eslint no-unused-vars: 1 */
+var emptyIsImportant = { host: true, hostname: '' };
+
+// format: [from, path, expected]
+relativeTests.forEach(function (relativeTest) {
+  test('resolveObject(' + [relativeTest[0], relativeTest[1]] + ')', function () {
+    var actual = url.resolveObject(url.parse(relativeTest[0]), relativeTest[1]);
+    var expected = url.parse(relativeTest[2]);
+
+    assert.deepEqual(actual, expected);
+
+    expected = relativeTest[2];
+    actual = url.format(actual);
+
+    assert.equal(actual, expected, 'format(' + actual + ') == ' + expected + '\nactual:' + actual);
+  });
+});
+
+test('format with querystring', function () {
+  var obj = { protocol: 'https:', host: 'google.com', pathname: 'test', query: { message: ['value1', 'value2'], 'custom:id': 12 } };
+
+  var actual = url.format(obj);
+  var expected = nodeURL.format(obj);
+
+  assert.equal(actual, expected, 'format(' + actual + ') == ' + expected + '\nactual:' + actual);
+});
+
+/*
+ * format: [to, from, result]
+ *  the test: ['.//g', 'f:/a', 'f://g'] is a fundamental problem
+ *  url.parse('f:/a') does not have a host
+ *  url.resolve('f:/a', './/g') does not have a host because you have moved
+ *  down to the g directory.  i.e. f:     //g, however when this url is parsed
+ *  f:// will indicate that the host is g which is not the case.
+ *  it is unclear to me how to keep this information from being lost
+ *  it may be that a pathname of ////g should collapse to /g but this seems
+ *  to be a lot of work for an edge case.  Right now I remove the test
+ */
+if (relativeTests2[181][0] === './/g' && relativeTests2[181][1] === 'f:/a' && relativeTests2[181][2] === 'f://g') {
+  relativeTests2.splice(181, 1);
+}
+
+relativeTests2.forEach(function (relativeTest) {
+  test('resolveObject(' + [relativeTest[1], relativeTest[0]] + ')', function () {
+    var actual = url.resolveObject(url.parse(relativeTest[1]), relativeTest[0]),
+      expected = url.parse(relativeTest[2]);
+
+    assert.deepEqual(actual, expected);
+
+    var expected = relativeTest[2],
+      actual = url.format(actual);
+
+    assert.equal(actual, expected, 'format(' + relativeTest[1] + ') == ' + expected + '\nactual:' + actual);
+  });
+});
diff --git a/node_modules/url/test/mocha.opts b/node_modules/url/test/mocha.opts
new file mode 100644
index 00000000..9e2cb5e9
--- /dev/null
+++ b/node_modules/url/test/mocha.opts
@@ -0,0 +1,2 @@
+test/*.js
+--recursive
diff --git a/node_modules/url/url.js b/node_modules/url/url.js
new file mode 100644
index 00000000..a2d65e11
--- /dev/null
+++ b/node_modules/url/url.js
@@ -0,0 +1,776 @@
+/*
+ * Copyright Joyent, Inc. and other Node contributors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do so, subject to the
+ * following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+'use strict';
+
+var punycode = require('punycode/');
+
+function Url() {
+  this.protocol = null;
+  this.slashes = null;
+  this.auth = null;
+  this.host = null;
+  this.port = null;
+  this.hostname = null;
+  this.hash = null;
+  this.search = null;
+  this.query = null;
+  this.pathname = null;
+  this.path = null;
+  this.href = null;
+}
+
+// Reference: RFC 3986, RFC 1808, RFC 2396
+
+/*
+ * define these here so at least they only have to be
+ * compiled once on the first module load.
+ */
+var protocolPattern = /^([a-z0-9.+-]+:)/i,
+  portPattern = /:[0-9]*$/,
+
+  // Special case for a simple path URL
+  simplePathPattern = /^(\/\/?(?!\/)[^?\s]*)(\?[^\s]*)?$/,
+
+  /*
+   * RFC 2396: characters reserved for delimiting URLs.
+   * We actually just auto-escape these.
+   */
+  delims = [
+    '<', '>', '"', '`', ' ', '\r', '\n', '\t'
+  ],
+
+  // RFC 2396: characters not allowed for various reasons.
+  unwise = [
+    '{', '}', '|', '\\', '^', '`'
+  ].concat(delims),
+
+  // Allowed by RFCs, but cause of XSS attacks.  Always escape these.
+  autoEscape = ['\''].concat(unwise),
+  /*
+   * Characters that are never ever allowed in a hostname.
+   * Note that any invalid chars are also handled, but these
+   * are the ones that are *expected* to be seen, so we fast-path
+   * them.
+   */
+  nonHostChars = [
+    '%', '/', '?', ';', '#'
+  ].concat(autoEscape),
+  hostEndingChars = [
+    '/', '?', '#'
+  ],
+  hostnameMaxLen = 255,
+  hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,
+  hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,
+  // protocols that can allow "unsafe" and "unwise" chars.
+  unsafeProtocol = {
+    javascript: true,
+    'javascript:': true
+  },
+  // protocols that never have a hostname.
+  hostlessProtocol = {
+    javascript: true,
+    'javascript:': true
+  },
+  // protocols that always contain a // bit.
+  slashedProtocol = {
+    http: true,
+    https: true,
+    ftp: true,
+    gopher: true,
+    file: true,
+    'http:': true,
+    'https:': true,
+    'ftp:': true,
+    'gopher:': true,
+    'file:': true
+  },
+  querystring = require('qs');
+
+function urlParse(url, parseQueryString, slashesDenoteHost) {
+  if (url && typeof url === 'object' && url instanceof Url) { return url; }
+
+  var u = new Url();
+  u.parse(url, parseQueryString, slashesDenoteHost);
+  return u;
+}
+
+Url.prototype.parse = function (url, parseQueryString, slashesDenoteHost) {
+  if (typeof url !== 'string') {
+    throw new TypeError("Parameter 'url' must be a string, not " + typeof url);
+  }
+
+  /*
+   * Copy chrome, IE, opera backslash-handling behavior.
+   * Back slashes before the query string get converted to forward slashes
+   * See: https://code.google.com/p/chromium/issues/detail?id=25916
+   */
+  var queryIndex = url.indexOf('?'),
+    splitter = queryIndex !== -1 && queryIndex < url.indexOf('#') ? '?' : '#',
+    uSplit = url.split(splitter),
+    slashRegex = /\\/g;
+  uSplit[0] = uSplit[0].replace(slashRegex, '/');
+  url = uSplit.join(splitter);
+
+  var rest = url;
+
+  /*
+   * trim before proceeding.
+   * This is to support parse stuff like "  http://foo.com  \n"
+   */
+  rest = rest.trim();
+
+  if (!slashesDenoteHost && url.split('#').length === 1) {
+    // Try fast path regexp
+    var simplePath = simplePathPattern.exec(rest);
+    if (simplePath) {
+      this.path = rest;
+      this.href = rest;
+      this.pathname = simplePath[1];
+      if (simplePath[2]) {
+        this.search = simplePath[2];
+        if (parseQueryString) {
+          this.query = querystring.parse(this.search.substr(1));
+        } else {
+          this.query = this.search.substr(1);
+        }
+      } else if (parseQueryString) {
+        this.search = '';
+        this.query = {};
+      }
+      return this;
+    }
+  }
+
+  var proto = protocolPattern.exec(rest);
+  if (proto) {
+    proto = proto[0];
+    var lowerProto = proto.toLowerCase();
+    this.protocol = lowerProto;
+    rest = rest.substr(proto.length);
+  }
+
+  /*
+   * figure out if it's got a host
+   * user@server is *always* interpreted as a hostname, and url
+   * resolution will treat //foo/bar as host=foo,path=bar because that's
+   * how the browser resolves relative URLs.
+   */
+  if (slashesDenoteHost || proto || rest.match(/^\/\/[^@/]+@[^@/]+/)) {
+    var slashes = rest.substr(0, 2) === '//';
+    if (slashes && !(proto && hostlessProtocol[proto])) {
+      rest = rest.substr(2);
+      this.slashes = true;
+    }
+  }
+
+  if (!hostlessProtocol[proto] && (slashes || (proto && !slashedProtocol[proto]))) {
+
+    /*
+     * there's a hostname.
+     * the first instance of /, ?, ;, or # ends the host.
+     *
+     * If there is an @ in the hostname, then non-host chars *are* allowed
+     * to the left of the last @ sign, unless some host-ending character
+     * comes *before* the @-sign.
+     * URLs are obnoxious.
+     *
+     * ex:
+     * http://a@b@c/ => user:a@b host:c
+     * http://a@b?@c => user:a host:c path:/?@c
+     */
+
+    /*
+     * v0.12 TODO(isaacs): This is not quite how Chrome does things.
+     * Review our test case against browsers more comprehensively.
+     */
+
+    // find the first instance of any hostEndingChars
+    var hostEnd = -1;
+    for (var i = 0; i < hostEndingChars.length; i++) {
+      var hec = rest.indexOf(hostEndingChars[i]);
+      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) { hostEnd = hec; }
+    }
+
+    /*
+     * at this point, either we have an explicit point where the
+     * auth portion cannot go past, or the last @ char is the decider.
+     */
+    var auth, atSign;
+    if (hostEnd === -1) {
+      // atSign can be anywhere.
+      atSign = rest.lastIndexOf('@');
+    } else {
+      /*
+       * atSign must be in auth portion.
+       * http://a@b/c@d => host:b auth:a path:/c@d
+       */
+      atSign = rest.lastIndexOf('@', hostEnd);
+    }
+
+    /*
+     * Now we have a portion which is definitely the auth.
+     * Pull that off.
+     */
+    if (atSign !== -1) {
+      auth = rest.slice(0, atSign);
+      rest = rest.slice(atSign + 1);
+      this.auth = decodeURIComponent(auth);
+    }
+
+    // the host is the remaining to the left of the first non-host char
+    hostEnd = -1;
+    for (var i = 0; i < nonHostChars.length; i++) {
+      var hec = rest.indexOf(nonHostChars[i]);
+      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) { hostEnd = hec; }
+    }
+    // if we still have not hit it, then the entire thing is a host.
+    if (hostEnd === -1) { hostEnd = rest.length; }
+
+    this.host = rest.slice(0, hostEnd);
+    rest = rest.slice(hostEnd);
+
+    // pull out port.
+    this.parseHost();
+
+    /*
+     * we've indicated that there is a hostname,
+     * so even if it's empty, it has to be present.
+     */
+    this.hostname = this.hostname || '';
+
+    /*
+     * if hostname begins with [ and ends with ]
+     * assume that it's an IPv6 address.
+     */
+    var ipv6Hostname = this.hostname[0] === '[' && this.hostname[this.hostname.length - 1] === ']';
+
+    // validate a little.
+    if (!ipv6Hostname) {
+      var hostparts = this.hostname.split(/\./);
+      for (var i = 0, l = hostparts.length; i < l; i++) {
+        var part = hostparts[i];
+        if (!part) { continue; }
+        if (!part.match(hostnamePartPattern)) {
+          var newpart = '';
+          for (var j = 0, k = part.length; j < k; j++) {
+            if (part.charCodeAt(j) > 127) {
+              /*
+               * we replace non-ASCII char with a temporary placeholder
+               * we need this to make sure size of hostname is not
+               * broken by replacing non-ASCII by nothing
+               */
+              newpart += 'x';
+            } else {
+              newpart += part[j];
+            }
+          }
+          // we test again with ASCII char only
+          if (!newpart.match(hostnamePartPattern)) {
+            var validParts = hostparts.slice(0, i);
+            var notHost = hostparts.slice(i + 1);
+            var bit = part.match(hostnamePartStart);
+            if (bit) {
+              validParts.push(bit[1]);
+              notHost.unshift(bit[2]);
+            }
+            if (notHost.length) {
+              rest = '/' + notHost.join('.') + rest;
+            }
+            this.hostname = validParts.join('.');
+            break;
+          }
+        }
+      }
+    }
+
+    if (this.hostname.length > hostnameMaxLen) {
+      this.hostname = '';
+    } else {
+      // hostnames are always lower case.
+      this.hostname = this.hostname.toLowerCase();
+    }
+
+    if (!ipv6Hostname) {
+      /*
+       * IDNA Support: Returns a punycoded representation of "domain".
+       * It only converts parts of the domain name that
+       * have non-ASCII characters, i.e. it doesn't matter if
+       * you call it with a domain that already is ASCII-only.
+       */
+      this.hostname = punycode.toASCII(this.hostname);
+    }
+
+    var p = this.port ? ':' + this.port : '';
+    var h = this.hostname || '';
+    this.host = h + p;
+    this.href += this.host;
+
+    /*
+     * strip [ and ] from the hostname
+     * the host field still retains them, though
+     */
+    if (ipv6Hostname) {
+      this.hostname = this.hostname.substr(1, this.hostname.length - 2);
+      if (rest[0] !== '/') {
+        rest = '/' + rest;
+      }
+    }
+  }
+
+  /*
+   * now rest is set to the post-host stuff.
+   * chop off any delim chars.
+   */
+  if (!unsafeProtocol[lowerProto]) {
+
+    /*
+     * First, make 100% sure that any "autoEscape" chars get
+     * escaped, even if encodeURIComponent doesn't think they
+     * need to be.
+     */
+    for (var i = 0, l = autoEscape.length; i < l; i++) {
+      var ae = autoEscape[i];
+      if (rest.indexOf(ae) === -1) { continue; }
+      var esc = encodeURIComponent(ae);
+      if (esc === ae) {
+        esc = escape(ae);
+      }
+      rest = rest.split(ae).join(esc);
+    }
+  }
+
+  // chop off from the tail first.
+  var hash = rest.indexOf('#');
+  if (hash !== -1) {
+    // got a fragment string.
+    this.hash = rest.substr(hash);
+    rest = rest.slice(0, hash);
+  }
+  var qm = rest.indexOf('?');
+  if (qm !== -1) {
+    this.search = rest.substr(qm);
+    this.query = rest.substr(qm + 1);
+    if (parseQueryString) {
+      this.query = querystring.parse(this.query);
+    }
+    rest = rest.slice(0, qm);
+  } else if (parseQueryString) {
+    // no query string, but parseQueryString still requested
+    this.search = '';
+    this.query = {};
+  }
+  if (rest) { this.pathname = rest; }
+  if (slashedProtocol[lowerProto] && this.hostname && !this.pathname) {
+    this.pathname = '/';
+  }
+
+  // to support http.request
+  if (this.pathname || this.search) {
+    var p = this.pathname || '';
+    var s = this.search || '';
+    this.path = p + s;
+  }
+
+  // finally, reconstruct the href based on what has been validated.
+  this.href = this.format();
+  return this;
+};
+
+// format a parsed object into a url string
+function urlFormat(obj) {
+  /*
+   * ensure it's an object, and not a string url.
+   * If it's an obj, this is a no-op.
+   * this way, you can call url_format() on strings
+   * to clean up potentially wonky urls.
+   */
+  if (typeof obj === 'string') { obj = urlParse(obj); }
+  if (!(obj instanceof Url)) { return Url.prototype.format.call(obj); }
+  return obj.format();
+}
+
+Url.prototype.format = function () {
+  var auth = this.auth || '';
+  if (auth) {
+    auth = encodeURIComponent(auth);
+    auth = auth.replace(/%3A/i, ':');
+    auth += '@';
+  }
+
+  var protocol = this.protocol || '',
+    pathname = this.pathname || '',
+    hash = this.hash || '',
+    host = false,
+    query = '';
+
+  if (this.host) {
+    host = auth + this.host;
+  } else if (this.hostname) {
+    host = auth + (this.hostname.indexOf(':') === -1 ? this.hostname : '[' + this.hostname + ']');
+    if (this.port) {
+      host += ':' + this.port;
+    }
+  }
+
+  if (this.query && typeof this.query === 'object' && Object.keys(this.query).length) {
+    query = querystring.stringify(this.query, {
+      arrayFormat: 'repeat',
+      addQueryPrefix: false
+    });
+  }
+
+  var search = this.search || (query && ('?' + query)) || '';
+
+  if (protocol && protocol.substr(-1) !== ':') { protocol += ':'; }
+
+  /*
+   * only the slashedProtocols get the //.  Not mailto:, xmpp:, etc.
+   * unless they had them to begin with.
+   */
+  if (this.slashes || (!protocol || slashedProtocol[protocol]) && host !== false) {
+    host = '//' + (host || '');
+    if (pathname && pathname.charAt(0) !== '/') { pathname = '/' + pathname; }
+  } else if (!host) {
+    host = '';
+  }
+
+  if (hash && hash.charAt(0) !== '#') { hash = '#' + hash; }
+  if (search && search.charAt(0) !== '?') { search = '?' + search; }
+
+  pathname = pathname.replace(/[?#]/g, function (match) {
+    return encodeURIComponent(match);
+  });
+  search = search.replace('#', '%23');
+
+  return protocol + host + pathname + search + hash;
+};
+
+function urlResolve(source, relative) {
+  return urlParse(source, false, true).resolve(relative);
+}
+
+Url.prototype.resolve = function (relative) {
+  return this.resolveObject(urlParse(relative, false, true)).format();
+};
+
+function urlResolveObject(source, relative) {
+  if (!source) { return relative; }
+  return urlParse(source, false, true).resolveObject(relative);
+}
+
+Url.prototype.resolveObject = function (relative) {
+  if (typeof relative === 'string') {
+    var rel = new Url();
+    rel.parse(relative, false, true);
+    relative = rel;
+  }
+
+  var result = new Url();
+  var tkeys = Object.keys(this);
+  for (var tk = 0; tk < tkeys.length; tk++) {
+    var tkey = tkeys[tk];
+    result[tkey] = this[tkey];
+  }
+
+  /*
+   * hash is always overridden, no matter what.
+   * even href="" will remove it.
+   */
+  result.hash = relative.hash;
+
+  // if the relative url is empty, then there's nothing left to do here.
+  if (relative.href === '') {
+    result.href = result.format();
+    return result;
+  }
+
+  // hrefs like //foo/bar always cut to the protocol.
+  if (relative.slashes && !relative.protocol) {
+    // take everything except the protocol from relative
+    var rkeys = Object.keys(relative);
+    for (var rk = 0; rk < rkeys.length; rk++) {
+      var rkey = rkeys[rk];
+      if (rkey !== 'protocol') { result[rkey] = relative[rkey]; }
+    }
+
+    // urlParse appends trailing / to urls like http://www.example.com
+    if (slashedProtocol[result.protocol] && result.hostname && !result.pathname) {
+      result.pathname = '/';
+      result.path = result.pathname;
+    }
+
+    result.href = result.format();
+    return result;
+  }
+
+  if (relative.protocol && relative.protocol !== result.protocol) {
+    /*
+     * if it's a known url protocol, then changing
+     * the protocol does weird things
+     * first, if it's not file:, then we MUST have a host,
+     * and if there was a path
+     * to begin with, then we MUST have a path.
+     * if it is file:, then the host is dropped,
+     * because that's known to be hostless.
+     * anything else is assumed to be absolute.
+     */
+    if (!slashedProtocol[relative.protocol]) {
+      var keys = Object.keys(relative);
+      for (var v = 0; v < keys.length; v++) {
+        var k = keys[v];
+        result[k] = relative[k];
+      }
+      result.href = result.format();
+      return result;
+    }
+
+    result.protocol = relative.protocol;
+    if (!relative.host && !hostlessProtocol[relative.protocol]) {
+      var relPath = (relative.pathname || '').split('/');
+      while (relPath.length && !(relative.host = relPath.shift())) { }
+      if (!relative.host) { relative.host = ''; }
+      if (!relative.hostname) { relative.hostname = ''; }
+      if (relPath[0] !== '') { relPath.unshift(''); }
+      if (relPath.length < 2) { relPath.unshift(''); }
+      result.pathname = relPath.join('/');
+    } else {
+      result.pathname = relative.pathname;
+    }
+    result.search = relative.search;
+    result.query = relative.query;
+    result.host = relative.host || '';
+    result.auth = relative.auth;
+    result.hostname = relative.hostname || relative.host;
+    result.port = relative.port;
+    // to support http.request
+    if (result.pathname || result.search) {
+      var p = result.pathname || '';
+      var s = result.search || '';
+      result.path = p + s;
+    }
+    result.slashes = result.slashes || relative.slashes;
+    result.href = result.format();
+    return result;
+  }
+
+  var isSourceAbs = result.pathname && result.pathname.charAt(0) === '/',
+    isRelAbs = relative.host || relative.pathname && relative.pathname.charAt(0) === '/',
+    mustEndAbs = isRelAbs || isSourceAbs || (result.host && relative.pathname),
+    removeAllDots = mustEndAbs,
+    srcPath = result.pathname && result.pathname.split('/') || [],
+    relPath = relative.pathname && relative.pathname.split('/') || [],
+    psychotic = result.protocol && !slashedProtocol[result.protocol];
+
+  /*
+   * if the url is a non-slashed url, then relative
+   * links like ../.. should be able
+   * to crawl up to the hostname, as well.  This is strange.
+   * result.protocol has already been set by now.
+   * Later on, put the first path part into the host field.
+   */
+  if (psychotic) {
+    result.hostname = '';
+    result.port = null;
+    if (result.host) {
+      if (srcPath[0] === '') { srcPath[0] = result.host; } else { srcPath.unshift(result.host); }
+    }
+    result.host = '';
+    if (relative.protocol) {
+      relative.hostname = null;
+      relative.port = null;
+      if (relative.host) {
+        if (relPath[0] === '') { relPath[0] = relative.host; } else { relPath.unshift(relative.host); }
+      }
+      relative.host = null;
+    }
+    mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');
+  }
+
+  if (isRelAbs) {
+    // it's absolute.
+    result.host = relative.host || relative.host === '' ? relative.host : result.host;
+    result.hostname = relative.hostname || relative.hostname === '' ? relative.hostname : result.hostname;
+    result.search = relative.search;
+    result.query = relative.query;
+    srcPath = relPath;
+    // fall through to the dot-handling below.
+  } else if (relPath.length) {
+    /*
+     * it's relative
+     * throw away the existing file, and take the new path instead.
+     */
+    if (!srcPath) { srcPath = []; }
+    srcPath.pop();
+    srcPath = srcPath.concat(relPath);
+    result.search = relative.search;
+    result.query = relative.query;
+  } else if (relative.search != null) {
+    /*
+     * just pull out the search.
+     * like href='?foo'.
+     * Put this after the other two cases because it simplifies the booleans
+     */
+    if (psychotic) {
+      result.host = srcPath.shift();
+      result.hostname = result.host;
+      /*
+       * occationaly the auth can get stuck only in host
+       * this especially happens in cases like
+       * url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+       */
+      var authInHost = result.host && result.host.indexOf('@') > 0 ? result.host.split('@') : false;
+      if (authInHost) {
+        result.auth = authInHost.shift();
+        result.hostname = authInHost.shift();
+        result.host = result.hostname;
+      }
+    }
+    result.search = relative.search;
+    result.query = relative.query;
+    // to support http.request
+    if (result.pathname !== null || result.search !== null) {
+      result.path = (result.pathname ? result.pathname : '') + (result.search ? result.search : '');
+    }
+    result.href = result.format();
+    return result;
+  }
+
+  if (!srcPath.length) {
+    /*
+     * no path at all.  easy.
+     * we've already handled the other stuff above.
+     */
+    result.pathname = null;
+    // to support http.request
+    if (result.search) {
+      result.path = '/' + result.search;
+    } else {
+      result.path = null;
+    }
+    result.href = result.format();
+    return result;
+  }
+
+  /*
+   * if a url ENDs in . or .., then it must get a trailing slash.
+   * however, if it ends in anything else non-slashy,
+   * then it must NOT get a trailing slash.
+   */
+  var last = srcPath.slice(-1)[0];
+  var hasTrailingSlash = (result.host || relative.host || srcPath.length > 1) && (last === '.' || last === '..') || last === '';
+
+  /*
+   * strip single dots, resolve double dots to parent dir
+   * if the path tries to go above the root, `up` ends up > 0
+   */
+  var up = 0;
+  for (var i = srcPath.length; i >= 0; i--) {
+    last = srcPath[i];
+    if (last === '.') {
+      srcPath.splice(i, 1);
+    } else if (last === '..') {
+      srcPath.splice(i, 1);
+      up++;
+    } else if (up) {
+      srcPath.splice(i, 1);
+      up--;
+    }
+  }
+
+  // if the path is allowed to go above the root, restore leading ..s
+  if (!mustEndAbs && !removeAllDots) {
+    for (; up--; up) {
+      srcPath.unshift('..');
+    }
+  }
+
+  if (mustEndAbs && srcPath[0] !== '' && (!srcPath[0] || srcPath[0].charAt(0) !== '/')) {
+    srcPath.unshift('');
+  }
+
+  if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {
+    srcPath.push('');
+  }
+
+  var isAbsolute = srcPath[0] === '' || (srcPath[0] && srcPath[0].charAt(0) === '/');
+
+  // put the host back
+  if (psychotic) {
+    result.hostname = isAbsolute ? '' : srcPath.length ? srcPath.shift() : '';
+    result.host = result.hostname;
+    /*
+     * occationaly the auth can get stuck only in host
+     * this especially happens in cases like
+     * url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+     */
+    var authInHost = result.host && result.host.indexOf('@') > 0 ? result.host.split('@') : false;
+    if (authInHost) {
+      result.auth = authInHost.shift();
+      result.hostname = authInHost.shift();
+      result.host = result.hostname;
+    }
+  }
+
+  mustEndAbs = mustEndAbs || (result.host && srcPath.length);
+
+  if (mustEndAbs && !isAbsolute) {
+    srcPath.unshift('');
+  }
+
+  if (srcPath.length > 0) {
+    result.pathname = srcPath.join('/');
+  } else {
+    result.pathname = null;
+    result.path = null;
+  }
+
+  // to support request.http
+  if (result.pathname !== null || result.search !== null) {
+    result.path = (result.pathname ? result.pathname : '') + (result.search ? result.search : '');
+  }
+  result.auth = relative.auth || result.auth;
+  result.slashes = result.slashes || relative.slashes;
+  result.href = result.format();
+  return result;
+};
+
+Url.prototype.parseHost = function () {
+  var host = this.host;
+  var port = portPattern.exec(host);
+  if (port) {
+    port = port[0];
+    if (port !== ':') {
+      this.port = port.substr(1);
+    }
+    host = host.substr(0, host.length - port.length);
+  }
+  if (host) { this.hostname = host; }
+};
+
+exports.parse = urlParse;
+exports.resolve = urlResolve;
+exports.resolveObject = urlResolveObject;
+exports.format = urlFormat;
+
+exports.Url = Url;
diff --git a/node_modules/use/LICENSE b/node_modules/use/LICENSE
new file mode 100644
index 00000000..7cccaf9e
--- /dev/null
+++ b/node_modules/use/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/use/README.md b/node_modules/use/README.md
new file mode 100644
index 00000000..59b1dbd8
--- /dev/null
+++ b/node_modules/use/README.md
@@ -0,0 +1,90 @@
+# use [![NPM version](https://img.shields.io/npm/v/use.svg?style=flat)](https://www.npmjs.com/package/use) [![NPM monthly downloads](https://img.shields.io/npm/dm/use.svg?style=flat)](https://npmjs.org/package/use) [![NPM total downloads](https://img.shields.io/npm/dt/use.svg?style=flat)](https://npmjs.org/package/use) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/use.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/use)
+
+> Easily add plugin support to your node.js application.
+
+Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save use
+```
+
+A different take on plugin handling! This is not a middleware system, if you need something that handles async middleware, [ware](https://github.com/segmentio/ware) is great for that.
+
+## Usage
+
+```js
+const use = require('use');
+```
+
+See the [examples folder](./examples) for usage examples.
+
+## About
+
+<details>
+<summary><strong>Contributing</strong></summary>
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+</details>
+
+<details>
+<summary><strong>Running Tests</strong></summary>
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+</details>
+
+<details>
+<summary><strong>Building docs</strong></summary>
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+</details>
+
+### Related projects
+
+You might also be interested in these projects:
+
+* [base-plugins](https://www.npmjs.com/package/base-plugins): Adds 'smart plugin' support to your base application. | [homepage](https://github.com/node-base/base-plugins "Adds 'smart plugin' support to your base application.")
+* [base](https://www.npmjs.com/package/base): Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks | [homepage](https://github.com/node-base/base "Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks")
+* [ware](https://www.npmjs.com/package/ware): Easily create your own middleware layer. | [homepage](https://github.com/segmentio/ware "Easily create your own middleware layer.")
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 37 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 7 | [charlike-old](https://github.com/charlike-old) |
+| 2 | [doowb](https://github.com/doowb) |
+| 2 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
+
+### Author
+
+**Jon Schlinkert**
+
+* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
+* [GitHub Profile](https://github.com/jonschlinkert)
+* [Twitter Profile](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 12, 2018._
\ No newline at end of file
diff --git a/node_modules/use/index.js b/node_modules/use/index.js
new file mode 100644
index 00000000..9a1eb4ee
--- /dev/null
+++ b/node_modules/use/index.js
@@ -0,0 +1,155 @@
+/*!
+ * use <https://github.com/jonschlinkert/use>
+ *
+ * Copyright (c) 2015-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function base(app, options) {
+  if (!isObject(app) && typeof app !== 'function') {
+    throw new TypeError('expected an object or function');
+  }
+
+  var opts = isObject(options) ? options : {};
+  var prop = typeof opts.prop === 'string' ? opts.prop : 'fns';
+  if (!Array.isArray(app[prop])) {
+    define(app, prop, []);
+  }
+
+  /**
+   * Define a plugin function to be passed to use. The only
+   * parameter exposed to the plugin is `app`, the object or function.
+   * passed to `use(app)`. `app` is also exposed as `this` in plugins.
+   *
+   * Additionally, **if a plugin returns a function, the function will
+   * be pushed onto the `fns` array**, allowing the plugin to be
+   * called at a later point by the `run` method.
+   *
+   * ```js
+   * var use = require('use');
+   *
+   * // define a plugin
+   * function foo(app) {
+   *   // do stuff
+   * }
+   *
+   * var app = function(){};
+   * use(app);
+   *
+   * // register plugins
+   * app.use(foo);
+   * app.use(bar);
+   * app.use(baz);
+   * ```
+   * @name .use
+   * @param {Function} `fn` plugin function to call
+   * @api public
+   */
+
+  define(app, 'use', use);
+
+  /**
+   * Run all plugins on `fns`. Any plugin that returns a function
+   * when called by `use` is pushed onto the `fns` array.
+   *
+   * ```js
+   * var config = {};
+   * app.run(config);
+   * ```
+   * @name .run
+   * @param {Object} `value` Object to be modified by plugins.
+   * @return {Object} Returns the object passed to `run`
+   * @api public
+   */
+
+  define(app, 'run', function(val) {
+    if (!isObject(val)) return;
+
+    if (!val.use || !val.run) {
+      define(val, prop, val[prop] || []);
+      define(val, 'use', use);
+    }
+
+    if (!val[prop] || val[prop].indexOf(base) === -1) {
+      val.use(base);
+    }
+
+    var self = this || app;
+    var fns = self[prop];
+    var len = fns.length;
+    var idx = -1;
+
+    while (++idx < len) {
+      val.use(fns[idx]);
+    }
+    return val;
+  });
+
+  /**
+   * Call plugin `fn`. If a function is returned push it into the
+   * `fns` array to be called by the `run` method.
+   */
+
+  function use(type, fn, options) {
+    var offset = 1;
+
+    if (typeof type === 'string' || Array.isArray(type)) {
+      fn = wrap(type, fn);
+      offset++;
+    } else {
+      options = fn;
+      fn = type;
+    }
+
+    if (typeof fn !== 'function') {
+      throw new TypeError('expected a function');
+    }
+
+    var self = this || app;
+    var fns = self[prop];
+
+    var args = [].slice.call(arguments, offset);
+    args.unshift(self);
+
+    if (typeof opts.hook === 'function') {
+      opts.hook.apply(self, args);
+    }
+
+    var val = fn.apply(self, args);
+    if (typeof val === 'function' && fns.indexOf(val) === -1) {
+      fns.push(val);
+    }
+    return self;
+  }
+
+  /**
+   * Wrap a named plugin function so that it's only called on objects of the
+   * given `type`
+   *
+   * @param {String} `type`
+   * @param {Function} `fn` Plugin function
+   * @return {Function}
+   */
+
+  function wrap(type, fn) {
+    return function plugin() {
+      return this.type === type ? fn.apply(this, arguments) : plugin;
+    };
+  }
+
+  return app;
+};
+
+function isObject(val) {
+  return val && typeof val === 'object' && !Array.isArray(val);
+}
+
+function define(obj, key, val) {
+  Object.defineProperty(obj, key, {
+    configurable: true,
+    writable: true,
+    value: val
+  });
+}
diff --git a/node_modules/use/package.json b/node_modules/use/package.json
new file mode 100644
index 00000000..b7a3f9a1
--- /dev/null
+++ b/node_modules/use/package.json
@@ -0,0 +1,66 @@
+{
+  "name": "use",
+  "description": "Easily add plugin support to your node.js application.",
+  "version": "3.1.1",
+  "homepage": "https://github.com/jonschlinkert/use",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Brian Woodward (https://twitter.com/doowb)",
+    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Olsten Larck (https://i.am.charlike.online)",
+    "(https://github.com/wtgtybhertgeghgtwtg)"
+  ],
+  "repository": "jonschlinkert/use",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/use/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "base-plugins": "^1.0.0",
+    "define-property": "^2.0.0",
+    "extend-shallow": "^3.0.1",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^4.0.0",
+    "gulp-format-md": "^1.0.0",
+    "gulp-istanbul": "^1.1.2",
+    "gulp-mocha": "^3.0.1",
+    "mocha": "^4.0.1"
+  },
+  "keywords": [
+    "use"
+  ],
+  "verb": {
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "base",
+        "base-plugins",
+        "ware"
+      ]
+    },
+    "reflinks": [
+      "verb",
+      "ware"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/util-deprecate/History.md b/node_modules/util-deprecate/History.md
new file mode 100644
index 00000000..acc86753
--- /dev/null
+++ b/node_modules/util-deprecate/History.md
@@ -0,0 +1,16 @@
+
+1.0.2 / 2015-10-07
+==================
+
+  * use try/catch when checking `localStorage` (#3, @kumavis)
+
+1.0.1 / 2014-11-25
+==================
+
+  * browser: use `console.warn()` for deprecation calls
+  * browser: more jsdocs
+
+1.0.0 / 2014-04-30
+==================
+
+  * initial commit
diff --git a/node_modules/util-deprecate/LICENSE b/node_modules/util-deprecate/LICENSE
new file mode 100644
index 00000000..6a60e8c2
--- /dev/null
+++ b/node_modules/util-deprecate/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2014 Nathan Rajlich <nathan@tootallnate.net>
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/util-deprecate/README.md b/node_modules/util-deprecate/README.md
new file mode 100644
index 00000000..75622fa7
--- /dev/null
+++ b/node_modules/util-deprecate/README.md
@@ -0,0 +1,53 @@
+util-deprecate
+==============
+### The Node.js `util.deprecate()` function with browser support
+
+In Node.js, this module simply re-exports the `util.deprecate()` function.
+
+In the web browser (i.e. via browserify), a browser-specific implementation
+of the `util.deprecate()` function is used.
+
+
+## API
+
+A `deprecate()` function is the only thing exposed by this module.
+
+``` javascript
+// setup:
+exports.foo = deprecate(foo, 'foo() is deprecated, use bar() instead');
+
+
+// users see:
+foo();
+// foo() is deprecated, use bar() instead
+foo();
+foo();
+```
+
+
+## License
+
+(The MIT License)
+
+Copyright (c) 2014 Nathan Rajlich <nathan@tootallnate.net>
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/util-deprecate/browser.js b/node_modules/util-deprecate/browser.js
new file mode 100644
index 00000000..549ae2f0
--- /dev/null
+++ b/node_modules/util-deprecate/browser.js
@@ -0,0 +1,67 @@
+
+/**
+ * Module exports.
+ */
+
+module.exports = deprecate;
+
+/**
+ * Mark that a method should not be used.
+ * Returns a modified function which warns once by default.
+ *
+ * If `localStorage.noDeprecation = true` is set, then it is a no-op.
+ *
+ * If `localStorage.throwDeprecation = true` is set, then deprecated functions
+ * will throw an Error when invoked.
+ *
+ * If `localStorage.traceDeprecation = true` is set, then deprecated functions
+ * will invoke `console.trace()` instead of `console.error()`.
+ *
+ * @param {Function} fn - the function to deprecate
+ * @param {String} msg - the string to print to the console when `fn` is invoked
+ * @returns {Function} a new "deprecated" version of `fn`
+ * @api public
+ */
+
+function deprecate (fn, msg) {
+  if (config('noDeprecation')) {
+    return fn;
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (config('throwDeprecation')) {
+        throw new Error(msg);
+      } else if (config('traceDeprecation')) {
+        console.trace(msg);
+      } else {
+        console.warn(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+}
+
+/**
+ * Checks `localStorage` for boolean values for the given `name`.
+ *
+ * @param {String} name
+ * @returns {Boolean}
+ * @api private
+ */
+
+function config (name) {
+  // accessing global.localStorage can trigger a DOMException in sandboxed iframes
+  try {
+    if (!global.localStorage) return false;
+  } catch (_) {
+    return false;
+  }
+  var val = global.localStorage[name];
+  if (null == val) return false;
+  return String(val).toLowerCase() === 'true';
+}
diff --git a/node_modules/util-deprecate/node.js b/node_modules/util-deprecate/node.js
new file mode 100644
index 00000000..5e6fcff5
--- /dev/null
+++ b/node_modules/util-deprecate/node.js
@@ -0,0 +1,6 @@
+
+/**
+ * For Node.js, simply re-export the core `util.deprecate` function.
+ */
+
+module.exports = require('util').deprecate;
diff --git a/node_modules/util-deprecate/package.json b/node_modules/util-deprecate/package.json
new file mode 100644
index 00000000..2e79f89a
--- /dev/null
+++ b/node_modules/util-deprecate/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "util-deprecate",
+  "version": "1.0.2",
+  "description": "The Node.js `util.deprecate()` function with browser support",
+  "main": "node.js",
+  "browser": "browser.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/TooTallNate/util-deprecate.git"
+  },
+  "keywords": [
+    "util",
+    "deprecate",
+    "browserify",
+    "browser",
+    "node"
+  ],
+  "author": "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io/)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/TooTallNate/util-deprecate/issues"
+  },
+  "homepage": "https://github.com/TooTallNate/util-deprecate"
+}
diff --git a/node_modules/util/CHANGELOG.md b/node_modules/util/CHANGELOG.md
new file mode 100644
index 00000000..0dce078b
--- /dev/null
+++ b/node_modules/util/CHANGELOG.md
@@ -0,0 +1,15 @@
+# util change log
+
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 0.11.1
+* Fix an infinite loop in `util.deprecate` some build configurations. ([@bernardmcmanus](https://github.com/bernardmcmanus) in [#12](https://github.com/defunctzombie/node-util/pull/12))
+
+## 0.11.0
+* Add `util.promisify`.
+* Add `util.callbackify`.
+
+## 0.10.4
+* Update `inherits` dependency.
diff --git a/node_modules/util/LICENSE b/node_modules/util/LICENSE
new file mode 100644
index 00000000..e3d4e695
--- /dev/null
+++ b/node_modules/util/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/util/README.md b/node_modules/util/README.md
new file mode 100644
index 00000000..075010ba
--- /dev/null
+++ b/node_modules/util/README.md
@@ -0,0 +1,48 @@
+# util [![Build Status](https://travis-ci.org/defunctzombie/node-util.png?branch=master)](https://travis-ci.org/defunctzombie/node-util)
+
+> Node.js's [util][util] module for all engines.
+
+This implements the Node.js [`util`][util] module for environments that do not have it, like browsers.
+
+## Install
+
+You usually do not have to install `util` yourself. If your code runs in Node.js, `util` is built in. If your code runs in the browser, bundlers like [browserify](https://github.com/browserify/browserify) or [webpack](https://github.com/webpack/webpack) also include the `util` module.
+
+But if none of those apply, with npm do:
+
+```shell
+npm install util
+```
+
+## Usage
+
+```javascript
+var util = require('util')
+var EventEmitter = require('events')
+
+function MyClass() { EventEmitter.call(this) }
+util.inherits(MyClass, EventEmitter)
+```
+
+## Browser Support
+
+The `util` module uses ES5 features. If you need to support very old browsers like IE8, use a shim like [`es5-shim`](https://www.npmjs.com/package/es5-shim). You need both the shim and the sham versions of `es5-shim`.
+
+To use `util.promisify` and `util.callbackify`, Promises must already be available. If you need to support browsers like IE11 that do not support Promises, use a shim. [es6-promise](https://github.com/stefanpenner/es6-promise) is a popular one but there are many others available on npm.
+
+## API
+
+See the [Node.js util docs][util].  `util` currently supports the Node 8 LTS API. However, some of the methods are outdated. The `inspect` and `format` methods included in this module are a lot more simple and barebones than the ones in Node.js.
+
+## Contributing
+
+PRs are very welcome! The main way to contribute to `util` is by porting features, bugfixes and tests from Node.js. Ideally, code contributions to this module are copy-pasted from Node.js and transpiled to ES5, rather than reimplemented from scratch. Matching the Node.js code as closely as possible makes maintenance simpler when new changes land in Node.js.
+This module intends to provide exactly the same API as Node.js, so features that are not available in the core `util` module will not be accepted. Feature requests should instead be directed at [nodejs/node](https://github.com/nodejs/node) and will be added to this module once they are implemented in Node.js.
+
+If there is a difference in behaviour between Node.js's `util` module and this module, please open an issue!
+
+## License
+
+[MIT](./LICENSE)
+
+[util]: https://nodejs.org/docs/latest-v8.x/api/util.html
diff --git a/node_modules/util/node_modules/inherits/LICENSE b/node_modules/util/node_modules/inherits/LICENSE
new file mode 100644
index 00000000..dea3013d
--- /dev/null
+++ b/node_modules/util/node_modules/inherits/LICENSE
@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/util/node_modules/inherits/README.md b/node_modules/util/node_modules/inherits/README.md
new file mode 100644
index 00000000..b1c56658
--- /dev/null
+++ b/node_modules/util/node_modules/inherits/README.md
@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it
diff --git a/node_modules/util/node_modules/inherits/inherits.js b/node_modules/util/node_modules/inherits/inherits.js
new file mode 100644
index 00000000..3b94763a
--- /dev/null
+++ b/node_modules/util/node_modules/inherits/inherits.js
@@ -0,0 +1,7 @@
+try {
+  var util = require('util');
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  module.exports = require('./inherits_browser.js');
+}
diff --git a/node_modules/util/node_modules/inherits/inherits_browser.js b/node_modules/util/node_modules/inherits/inherits_browser.js
new file mode 100644
index 00000000..c1e78a75
--- /dev/null
+++ b/node_modules/util/node_modules/inherits/inherits_browser.js
@@ -0,0 +1,23 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
diff --git a/node_modules/util/node_modules/inherits/package.json b/node_modules/util/node_modules/inherits/package.json
new file mode 100644
index 00000000..7cf62b95
--- /dev/null
+++ b/node_modules/util/node_modules/inherits/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inherits",
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "version": "2.0.3",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "main": "./inherits.js",
+  "browser": "./inherits_browser.js",
+  "repository": "git://github.com/isaacs/inherits",
+  "license": "ISC",
+  "scripts": {
+    "test": "node test"
+  },
+  "devDependencies": {
+    "tap": "^7.1.0"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ]
+}
diff --git a/node_modules/util/package.json b/node_modules/util/package.json
new file mode 100644
index 00000000..640dd528
--- /dev/null
+++ b/node_modules/util/package.json
@@ -0,0 +1,39 @@
+{
+  "author": {
+    "name": "Joyent",
+    "url": "http://www.joyent.com"
+  },
+  "name": "util",
+  "description": "Node.JS util module",
+  "keywords": [
+    "util"
+  ],
+  "version": "0.11.1",
+  "homepage": "https://github.com/defunctzombie/node-util",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/defunctzombie/node-util"
+  },
+  "main": "./util.js",
+  "files": [
+    "util.js",
+    "support"
+  ],
+  "scripts": {
+    "test": "node test/node/index.js",
+    "test:browsers": "airtap test/browser/index.js"
+  },
+  "dependencies": {
+    "inherits": "2.0.3"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "airtap": "~0.1.0",
+    "is-async-supported": "~1.2.0",
+    "run-series": "~1.1.4",
+    "tape": "~4.9.0"
+  },
+  "browser": {
+    "./support/isBuffer.js": "./support/isBufferBrowser.js"
+  }
+}
diff --git a/node_modules/util/support/isBuffer.js b/node_modules/util/support/isBuffer.js
new file mode 100644
index 00000000..ace9ac00
--- /dev/null
+++ b/node_modules/util/support/isBuffer.js
@@ -0,0 +1,3 @@
+module.exports = function isBuffer(arg) {
+  return arg instanceof Buffer;
+}
diff --git a/node_modules/util/support/isBufferBrowser.js b/node_modules/util/support/isBufferBrowser.js
new file mode 100644
index 00000000..0e1bee1e
--- /dev/null
+++ b/node_modules/util/support/isBufferBrowser.js
@@ -0,0 +1,6 @@
+module.exports = function isBuffer(arg) {
+  return arg && typeof arg === 'object'
+    && typeof arg.copy === 'function'
+    && typeof arg.fill === 'function'
+    && typeof arg.readUInt8 === 'function';
+}
\ No newline at end of file
diff --git a/node_modules/util/util.js b/node_modules/util/util.js
new file mode 100644
index 00000000..4f25671a
--- /dev/null
+++ b/node_modules/util/util.js
@@ -0,0 +1,703 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors ||
+  function getOwnPropertyDescriptors(obj) {
+    var keys = Object.keys(obj);
+    var descriptors = {};
+    for (var i = 0; i < keys.length; i++) {
+      descriptors[keys[i]] = Object.getOwnPropertyDescriptor(obj, keys[i]);
+    }
+    return descriptors;
+  };
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+  if (!isString(f)) {
+    var objects = [];
+    for (var i = 0; i < arguments.length; i++) {
+      objects.push(inspect(arguments[i]));
+    }
+    return objects.join(' ');
+  }
+
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s': return String(args[i++]);
+      case '%d': return Number(args[i++]);
+      case '%j':
+        try {
+          return JSON.stringify(args[i++]);
+        } catch (_) {
+          return '[Circular]';
+        }
+      default:
+        return x;
+    }
+  });
+  for (var x = args[i]; i < len; x = args[++i]) {
+    if (isNull(x) || !isObject(x)) {
+      str += ' ' + x;
+    } else {
+      str += ' ' + inspect(x);
+    }
+  }
+  return str;
+};
+
+
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function(fn, msg) {
+  if (typeof process !== 'undefined' && process.noDeprecation === true) {
+    return fn;
+  }
+
+  // Allow for deprecating things in the process of starting up.
+  if (typeof process === 'undefined') {
+    return function() {
+      return exports.deprecate(fn, msg).apply(this, arguments);
+    };
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (process.throwDeprecation) {
+        throw new Error(msg);
+      } else if (process.traceDeprecation) {
+        console.trace(msg);
+      } else {
+        console.error(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+};
+
+
+var debugs = {};
+var debugEnviron;
+exports.debuglog = function(set) {
+  if (isUndefined(debugEnviron))
+    debugEnviron = process.env.NODE_DEBUG || '';
+  set = set.toUpperCase();
+  if (!debugs[set]) {
+    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+      var pid = process.pid;
+      debugs[set] = function() {
+        var msg = exports.format.apply(exports, arguments);
+        console.error('%s %d: %s', set, pid, msg);
+      };
+    } else {
+      debugs[set] = function() {};
+    }
+  }
+  return debugs[set];
+};
+
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts) {
+  // default options
+  var ctx = {
+    seen: [],
+    stylize: stylizeNoColor
+  };
+  // legacy...
+  if (arguments.length >= 3) ctx.depth = arguments[2];
+  if (arguments.length >= 4) ctx.colors = arguments[3];
+  if (isBoolean(opts)) {
+    // legacy...
+    ctx.showHidden = opts;
+  } else if (opts) {
+    // got an "options" object
+    exports._extend(ctx, opts);
+  }
+  // set default options
+  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+  if (isUndefined(ctx.depth)) ctx.depth = 2;
+  if (isUndefined(ctx.colors)) ctx.colors = false;
+  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+  if (ctx.colors) ctx.stylize = stylizeWithColor;
+  return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+  'bold' : [1, 22],
+  'italic' : [3, 23],
+  'underline' : [4, 24],
+  'inverse' : [7, 27],
+  'white' : [37, 39],
+  'grey' : [90, 39],
+  'black' : [30, 39],
+  'blue' : [34, 39],
+  'cyan' : [36, 39],
+  'green' : [32, 39],
+  'magenta' : [35, 39],
+  'red' : [31, 39],
+  'yellow' : [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+  'special': 'cyan',
+  'number': 'yellow',
+  'boolean': 'yellow',
+  'undefined': 'grey',
+  'null': 'bold',
+  'string': 'green',
+  'date': 'magenta',
+  // "name": intentionally not styling
+  'regexp': 'red'
+};
+
+
+function stylizeWithColor(str, styleType) {
+  var style = inspect.styles[styleType];
+
+  if (style) {
+    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+           '\u001b[' + inspect.colors[style][1] + 'm';
+  } else {
+    return str;
+  }
+}
+
+
+function stylizeNoColor(str, styleType) {
+  return str;
+}
+
+
+function arrayToHash(array) {
+  var hash = {};
+
+  array.forEach(function(val, idx) {
+    hash[val] = true;
+  });
+
+  return hash;
+}
+
+
+function formatValue(ctx, value, recurseTimes) {
+  // Provide a hook for user-specified inspect functions.
+  // Check that value is an object with an inspect function on it
+  if (ctx.customInspect &&
+      value &&
+      isFunction(value.inspect) &&
+      // Filter out the util module, it's inspect function is special
+      value.inspect !== exports.inspect &&
+      // Also filter out any prototype objects using the circular check.
+      !(value.constructor && value.constructor.prototype === value)) {
+    var ret = value.inspect(recurseTimes, ctx);
+    if (!isString(ret)) {
+      ret = formatValue(ctx, ret, recurseTimes);
+    }
+    return ret;
+  }
+
+  // Primitive types cannot have properties
+  var primitive = formatPrimitive(ctx, value);
+  if (primitive) {
+    return primitive;
+  }
+
+  // Look up the keys of the object.
+  var keys = Object.keys(value);
+  var visibleKeys = arrayToHash(keys);
+
+  if (ctx.showHidden) {
+    keys = Object.getOwnPropertyNames(value);
+  }
+
+  // IE doesn't make error fields non-enumerable
+  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+  if (isError(value)
+      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+    return formatError(value);
+  }
+
+  // Some type of object without properties can be shortcutted.
+  if (keys.length === 0) {
+    if (isFunction(value)) {
+      var name = value.name ? ': ' + value.name : '';
+      return ctx.stylize('[Function' + name + ']', 'special');
+    }
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    }
+    if (isDate(value)) {
+      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+    }
+    if (isError(value)) {
+      return formatError(value);
+    }
+  }
+
+  var base = '', array = false, braces = ['{', '}'];
+
+  // Make Array say that they are Array
+  if (isArray(value)) {
+    array = true;
+    braces = ['[', ']'];
+  }
+
+  // Make functions say that they are functions
+  if (isFunction(value)) {
+    var n = value.name ? ': ' + value.name : '';
+    base = ' [Function' + n + ']';
+  }
+
+  // Make RegExps say that they are RegExps
+  if (isRegExp(value)) {
+    base = ' ' + RegExp.prototype.toString.call(value);
+  }
+
+  // Make dates with properties first say the date
+  if (isDate(value)) {
+    base = ' ' + Date.prototype.toUTCString.call(value);
+  }
+
+  // Make error with message first say the error
+  if (isError(value)) {
+    base = ' ' + formatError(value);
+  }
+
+  if (keys.length === 0 && (!array || value.length == 0)) {
+    return braces[0] + base + braces[1];
+  }
+
+  if (recurseTimes < 0) {
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    } else {
+      return ctx.stylize('[Object]', 'special');
+    }
+  }
+
+  ctx.seen.push(value);
+
+  var output;
+  if (array) {
+    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+  } else {
+    output = keys.map(function(key) {
+      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+    });
+  }
+
+  ctx.seen.pop();
+
+  return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+  if (isUndefined(value))
+    return ctx.stylize('undefined', 'undefined');
+  if (isString(value)) {
+    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+                                             .replace(/'/g, "\\'")
+                                             .replace(/\\"/g, '"') + '\'';
+    return ctx.stylize(simple, 'string');
+  }
+  if (isNumber(value))
+    return ctx.stylize('' + value, 'number');
+  if (isBoolean(value))
+    return ctx.stylize('' + value, 'boolean');
+  // For some reason typeof null is "object", so special case here.
+  if (isNull(value))
+    return ctx.stylize('null', 'null');
+}
+
+
+function formatError(value) {
+  return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+  var output = [];
+  for (var i = 0, l = value.length; i < l; ++i) {
+    if (hasOwnProperty(value, String(i))) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          String(i), true));
+    } else {
+      output.push('');
+    }
+  }
+  keys.forEach(function(key) {
+    if (!key.match(/^\d+$/)) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          key, true));
+    }
+  });
+  return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+  var name, str, desc;
+  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+  if (desc.get) {
+    if (desc.set) {
+      str = ctx.stylize('[Getter/Setter]', 'special');
+    } else {
+      str = ctx.stylize('[Getter]', 'special');
+    }
+  } else {
+    if (desc.set) {
+      str = ctx.stylize('[Setter]', 'special');
+    }
+  }
+  if (!hasOwnProperty(visibleKeys, key)) {
+    name = '[' + key + ']';
+  }
+  if (!str) {
+    if (ctx.seen.indexOf(desc.value) < 0) {
+      if (isNull(recurseTimes)) {
+        str = formatValue(ctx, desc.value, null);
+      } else {
+        str = formatValue(ctx, desc.value, recurseTimes - 1);
+      }
+      if (str.indexOf('\n') > -1) {
+        if (array) {
+          str = str.split('\n').map(function(line) {
+            return '  ' + line;
+          }).join('\n').substr(2);
+        } else {
+          str = '\n' + str.split('\n').map(function(line) {
+            return '   ' + line;
+          }).join('\n');
+        }
+      }
+    } else {
+      str = ctx.stylize('[Circular]', 'special');
+    }
+  }
+  if (isUndefined(name)) {
+    if (array && key.match(/^\d+$/)) {
+      return str;
+    }
+    name = JSON.stringify('' + key);
+    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+      name = name.substr(1, name.length - 2);
+      name = ctx.stylize(name, 'name');
+    } else {
+      name = name.replace(/'/g, "\\'")
+                 .replace(/\\"/g, '"')
+                 .replace(/(^"|"$)/g, "'");
+      name = ctx.stylize(name, 'string');
+    }
+  }
+
+  return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+  var numLinesEst = 0;
+  var length = output.reduce(function(prev, cur) {
+    numLinesEst++;
+    if (cur.indexOf('\n') >= 0) numLinesEst++;
+    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+  }, 0);
+
+  if (length > 60) {
+    return braces[0] +
+           (base === '' ? '' : base + '\n ') +
+           ' ' +
+           output.join(',\n  ') +
+           ' ' +
+           braces[1];
+  }
+
+  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+function isArray(ar) {
+  return Array.isArray(ar);
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return isObject(d) && objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return isObject(e) &&
+      (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('./support/isBuffer');
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
+
+
+function pad(n) {
+  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+              'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+  var d = new Date();
+  var time = [pad(d.getHours()),
+              pad(d.getMinutes()),
+              pad(d.getSeconds())].join(':');
+  return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function() {
+  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+};
+
+
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ *     prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function(origin, add) {
+  // Don't do anything if add isn't an object
+  if (!add || !isObject(add)) return origin;
+
+  var keys = Object.keys(add);
+  var i = keys.length;
+  while (i--) {
+    origin[keys[i]] = add[keys[i]];
+  }
+  return origin;
+};
+
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+var kCustomPromisifiedSymbol = typeof Symbol !== 'undefined' ? Symbol('util.promisify.custom') : undefined;
+
+exports.promisify = function promisify(original) {
+  if (typeof original !== 'function')
+    throw new TypeError('The "original" argument must be of type Function');
+
+  if (kCustomPromisifiedSymbol && original[kCustomPromisifiedSymbol]) {
+    var fn = original[kCustomPromisifiedSymbol];
+    if (typeof fn !== 'function') {
+      throw new TypeError('The "util.promisify.custom" argument must be of type Function');
+    }
+    Object.defineProperty(fn, kCustomPromisifiedSymbol, {
+      value: fn, enumerable: false, writable: false, configurable: true
+    });
+    return fn;
+  }
+
+  function fn() {
+    var promiseResolve, promiseReject;
+    var promise = new Promise(function (resolve, reject) {
+      promiseResolve = resolve;
+      promiseReject = reject;
+    });
+
+    var args = [];
+    for (var i = 0; i < arguments.length; i++) {
+      args.push(arguments[i]);
+    }
+    args.push(function (err, value) {
+      if (err) {
+        promiseReject(err);
+      } else {
+        promiseResolve(value);
+      }
+    });
+
+    try {
+      original.apply(this, args);
+    } catch (err) {
+      promiseReject(err);
+    }
+
+    return promise;
+  }
+
+  Object.setPrototypeOf(fn, Object.getPrototypeOf(original));
+
+  if (kCustomPromisifiedSymbol) Object.defineProperty(fn, kCustomPromisifiedSymbol, {
+    value: fn, enumerable: false, writable: false, configurable: true
+  });
+  return Object.defineProperties(
+    fn,
+    getOwnPropertyDescriptors(original)
+  );
+}
+
+exports.promisify.custom = kCustomPromisifiedSymbol
+
+function callbackifyOnRejected(reason, cb) {
+  // `!reason` guard inspired by bluebird (Ref: https://goo.gl/t5IS6M).
+  // Because `null` is a special error value in callbacks which means "no error
+  // occurred", we error-wrap so the callback consumer can distinguish between
+  // "the promise rejected with null" or "the promise fulfilled with undefined".
+  if (!reason) {
+    var newReason = new Error('Promise was rejected with a falsy value');
+    newReason.reason = reason;
+    reason = newReason;
+  }
+  return cb(reason);
+}
+
+function callbackify(original) {
+  if (typeof original !== 'function') {
+    throw new TypeError('The "original" argument must be of type Function');
+  }
+
+  // We DO NOT return the promise as it gives the user a false sense that
+  // the promise is actually somehow related to the callback's execution
+  // and that the callback throwing will reject the promise.
+  function callbackified() {
+    var args = [];
+    for (var i = 0; i < arguments.length; i++) {
+      args.push(arguments[i]);
+    }
+
+    var maybeCb = args.pop();
+    if (typeof maybeCb !== 'function') {
+      throw new TypeError('The last argument must be of type Function');
+    }
+    var self = this;
+    var cb = function() {
+      return maybeCb.apply(self, arguments);
+    };
+    // In true node style we process the callback on `nextTick` with all the
+    // implications (stack, `uncaughtException`, `async_hooks`)
+    original.apply(this, args)
+      .then(function(ret) { process.nextTick(cb, null, ret) },
+            function(rej) { process.nextTick(callbackifyOnRejected, rej, cb) });
+  }
+
+  Object.setPrototypeOf(callbackified, Object.getPrototypeOf(original));
+  Object.defineProperties(callbackified,
+                          getOwnPropertyDescriptors(original));
+  return callbackified;
+}
+exports.callbackify = callbackify;
diff --git a/node_modules/vm-browserify/.github/FUNDING.yml b/node_modules/vm-browserify/.github/FUNDING.yml
new file mode 100644
index 00000000..9f672779
--- /dev/null
+++ b/node_modules/vm-browserify/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/vm-browserify
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/vm-browserify/.travis.yml b/node_modules/vm-browserify/.travis.yml
new file mode 100644
index 00000000..c4b192d7
--- /dev/null
+++ b/node_modules/vm-browserify/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+dist: xenial
+node_js:
+  - "stable"
+script:
+  - xvfb-run --auto-servernum npm test
+services:
+  - xvfb
diff --git a/node_modules/vm-browserify/CHANGELOG.md b/node_modules/vm-browserify/CHANGELOG.md
new file mode 100644
index 00000000..5fb44253
--- /dev/null
+++ b/node_modules/vm-browserify/CHANGELOG.md
@@ -0,0 +1,23 @@
+# vm-browserify Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.1.2 - 2019-11-04
+* Update another jQuery reference in the readme. (https://github.com/browserify/vm-browserify/pull/27)
+* Get rid of jQuery references altogether from samples and readme. (https://github.com/browserify/vm-browserify/commit/d509e8e5afb7b1ead191cbbd49c37a3fb934b2dc)
+
+## 1.1.1 - 2019-11-04
+* Update a reference to jQuery in an example file that was setting off some security software. (https://github.com/browserify/vm-browserify/pull/22)
+
+## 1.1.0 - 2018-06-15
+* Add `vm.isContext(sandbox)`. (https://github.com/browserify/vm-browserify/commit/038c3cb33edcad9eec33aa8a8beae31b15c1a006)
+
+## 1.0.1 - 2018-04-13
+* Remove the `component-indexof` dependency. (https://github.com/browserify/vm-browserify/commit/0d9bd4c99f80db12c5c45e260a23ebfc51ec850d)
+
+## 1.0.0 - 2018-03-23
+
+(This is not a breaking change.)
+
+* Make the `sandbox` argument to `runInNewContext` optional, like in Node. (https://github.com/browserify/vm-browserify/pull/13)
+* Substituting `component-indexof` for deprecated `indexof`. (https://github.com/browserify/vm-browserify/pull/14)
diff --git a/node_modules/vm-browserify/LICENSE b/node_modules/vm-browserify/LICENSE
new file mode 100644
index 00000000..b8f727e4
--- /dev/null
+++ b/node_modules/vm-browserify/LICENSE
@@ -0,0 +1,18 @@
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/vm-browserify/example/run/bundle.js b/node_modules/vm-browserify/example/run/bundle.js
new file mode 100644
index 00000000..49a9848c
--- /dev/null
+++ b/node_modules/vm-browserify/example/run/bundle.js
@@ -0,0 +1,160 @@
+(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+var indexOf = function (xs, item) {
+    if (xs.indexOf) return xs.indexOf(item);
+    else for (var i = 0; i < xs.length; i++) {
+        if (xs[i] === item) return i;
+    }
+    return -1;
+};
+var Object_keys = function (obj) {
+    if (Object.keys) return Object.keys(obj)
+    else {
+        var res = [];
+        for (var key in obj) res.push(key)
+        return res;
+    }
+};
+
+var forEach = function (xs, fn) {
+    if (xs.forEach) return xs.forEach(fn)
+    else for (var i = 0; i < xs.length; i++) {
+        fn(xs[i], i, xs);
+    }
+};
+
+var defineProp = (function() {
+    try {
+        Object.defineProperty({}, '_', {});
+        return function(obj, name, value) {
+            Object.defineProperty(obj, name, {
+                writable: true,
+                enumerable: false,
+                configurable: true,
+                value: value
+            })
+        };
+    } catch(e) {
+        return function(obj, name, value) {
+            obj[name] = value;
+        };
+    }
+}());
+
+var globals = ['Array', 'Boolean', 'Date', 'Error', 'EvalError', 'Function',
+'Infinity', 'JSON', 'Math', 'NaN', 'Number', 'Object', 'RangeError',
+'ReferenceError', 'RegExp', 'String', 'SyntaxError', 'TypeError', 'URIError',
+'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape',
+'eval', 'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'undefined', 'unescape'];
+
+function Context() {}
+Context.prototype = {};
+
+var Script = exports.Script = function NodeScript (code) {
+    if (!(this instanceof Script)) return new Script(code);
+    this.code = code;
+};
+
+Script.prototype.runInContext = function (context) {
+    if (!(context instanceof Context)) {
+        throw new TypeError("needs a 'context' argument.");
+    }
+    
+    var iframe = document.createElement('iframe');
+    if (!iframe.style) iframe.style = {};
+    iframe.style.display = 'none';
+    
+    document.body.appendChild(iframe);
+    
+    var win = iframe.contentWindow;
+    var wEval = win.eval, wExecScript = win.execScript;
+
+    if (!wEval && wExecScript) {
+        // win.eval() magically appears when this is called in IE:
+        wExecScript.call(win, 'null');
+        wEval = win.eval;
+    }
+    
+    forEach(Object_keys(context), function (key) {
+        win[key] = context[key];
+    });
+    forEach(globals, function (key) {
+        if (context[key]) {
+            win[key] = context[key];
+        }
+    });
+    
+    var winKeys = Object_keys(win);
+
+    var res = wEval.call(win, this.code);
+    
+    forEach(Object_keys(win), function (key) {
+        // Avoid copying circular objects like `top` and `window` by only
+        // updating existing context properties or new properties in the `win`
+        // that was only introduced after the eval.
+        if (key in context || indexOf(winKeys, key) === -1) {
+            context[key] = win[key];
+        }
+    });
+
+    forEach(globals, function (key) {
+        if (!(key in context)) {
+            defineProp(context, key, win[key]);
+        }
+    });
+    
+    document.body.removeChild(iframe);
+    
+    return res;
+};
+
+Script.prototype.runInThisContext = function () {
+    return eval(this.code); // maybe...
+};
+
+Script.prototype.runInNewContext = function (context) {
+    var ctx = Script.createContext(context);
+    var res = this.runInContext(ctx);
+
+    if (context) {
+        forEach(Object_keys(ctx), function (key) {
+            context[key] = ctx[key];
+        });
+    }
+
+    return res;
+};
+
+forEach(Object_keys(Script.prototype), function (name) {
+    exports[name] = Script[name] = function (code) {
+        var s = Script(code);
+        return s[name].apply(s, [].slice.call(arguments, 1));
+    };
+});
+
+exports.isContext = function (context) {
+    return context instanceof Context;
+};
+
+exports.createScript = function (code) {
+    return exports.Script(code);
+};
+
+exports.createContext = Script.createContext = function (context) {
+    var copy = new Context();
+    if(typeof context === 'object') {
+        forEach(Object_keys(context), function (key) {
+            copy[key] = context[key];
+        });
+    }
+    return copy;
+};
+
+},{}],2:[function(require,module,exports){
+var vm = require('vm');
+
+window.addEventListener('load', function () {
+    var res = vm.runInNewContext('a + 5', { a : 100 });
+    document.querySelector('#res').textContent = res;
+});
+
+},{"vm":1}]},{},[2]);
diff --git a/node_modules/vm-browserify/example/run/entry.js b/node_modules/vm-browserify/example/run/entry.js
new file mode 100644
index 00000000..def13767
--- /dev/null
+++ b/node_modules/vm-browserify/example/run/entry.js
@@ -0,0 +1,6 @@
+var vm = require('vm');
+
+window.addEventListener('load', function () {
+    var res = vm.runInNewContext('a + 5', { a : 100 });
+    document.querySelector('#res').textContent = res;
+});
diff --git a/node_modules/vm-browserify/example/run/index.html b/node_modules/vm-browserify/example/run/index.html
new file mode 100644
index 00000000..9b681f19
--- /dev/null
+++ b/node_modules/vm-browserify/example/run/index.html
@@ -0,0 +1,8 @@
+<html>
+  <head>
+    <script src="/bundle.js"></script>
+  </head>
+  <body>
+    result = <span id="res"></span>
+  </body>
+</html>
diff --git a/node_modules/vm-browserify/example/run/server.js b/node_modules/vm-browserify/example/run/server.js
new file mode 100644
index 00000000..339d3eea
--- /dev/null
+++ b/node_modules/vm-browserify/example/run/server.js
@@ -0,0 +1,6 @@
+var ecstatic = require('ecstatic')(__dirname);
+var http = require('http');
+http.createServer(ecstatic).listen(8000);
+
+console.log('listening on :8000');
+console.log('# remember to run browserify entry.js -o bundle.js');
diff --git a/node_modules/vm-browserify/index.js b/node_modules/vm-browserify/index.js
new file mode 100644
index 00000000..4292de77
--- /dev/null
+++ b/node_modules/vm-browserify/index.js
@@ -0,0 +1,149 @@
+var indexOf = function (xs, item) {
+    if (xs.indexOf) return xs.indexOf(item);
+    else for (var i = 0; i < xs.length; i++) {
+        if (xs[i] === item) return i;
+    }
+    return -1;
+};
+var Object_keys = function (obj) {
+    if (Object.keys) return Object.keys(obj)
+    else {
+        var res = [];
+        for (var key in obj) res.push(key)
+        return res;
+    }
+};
+
+var forEach = function (xs, fn) {
+    if (xs.forEach) return xs.forEach(fn)
+    else for (var i = 0; i < xs.length; i++) {
+        fn(xs[i], i, xs);
+    }
+};
+
+var defineProp = (function() {
+    try {
+        Object.defineProperty({}, '_', {});
+        return function(obj, name, value) {
+            Object.defineProperty(obj, name, {
+                writable: true,
+                enumerable: false,
+                configurable: true,
+                value: value
+            })
+        };
+    } catch(e) {
+        return function(obj, name, value) {
+            obj[name] = value;
+        };
+    }
+}());
+
+var globals = ['Array', 'Boolean', 'Date', 'Error', 'EvalError', 'Function',
+'Infinity', 'JSON', 'Math', 'NaN', 'Number', 'Object', 'RangeError',
+'ReferenceError', 'RegExp', 'String', 'SyntaxError', 'TypeError', 'URIError',
+'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape',
+'eval', 'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'undefined', 'unescape'];
+
+function Context() {}
+Context.prototype = {};
+
+var Script = exports.Script = function NodeScript (code) {
+    if (!(this instanceof Script)) return new Script(code);
+    this.code = code;
+};
+
+Script.prototype.runInContext = function (context) {
+    if (!(context instanceof Context)) {
+        throw new TypeError("needs a 'context' argument.");
+    }
+    
+    var iframe = document.createElement('iframe');
+    if (!iframe.style) iframe.style = {};
+    iframe.style.display = 'none';
+    
+    document.body.appendChild(iframe);
+    
+    var win = iframe.contentWindow;
+    var wEval = win.eval, wExecScript = win.execScript;
+
+    if (!wEval && wExecScript) {
+        // win.eval() magically appears when this is called in IE:
+        wExecScript.call(win, 'null');
+        wEval = win.eval;
+    }
+    
+    forEach(Object_keys(context), function (key) {
+        win[key] = context[key];
+    });
+    forEach(globals, function (key) {
+        if (context[key]) {
+            win[key] = context[key];
+        }
+    });
+    
+    var winKeys = Object_keys(win);
+
+    var res = wEval.call(win, this.code);
+    
+    forEach(Object_keys(win), function (key) {
+        // Avoid copying circular objects like `top` and `window` by only
+        // updating existing context properties or new properties in the `win`
+        // that was only introduced after the eval.
+        if (key in context || indexOf(winKeys, key) === -1) {
+            context[key] = win[key];
+        }
+    });
+
+    forEach(globals, function (key) {
+        if (!(key in context)) {
+            defineProp(context, key, win[key]);
+        }
+    });
+    
+    document.body.removeChild(iframe);
+    
+    return res;
+};
+
+Script.prototype.runInThisContext = function () {
+    return eval(this.code); // maybe...
+};
+
+Script.prototype.runInNewContext = function (context) {
+    var ctx = Script.createContext(context);
+    var res = this.runInContext(ctx);
+
+    if (context) {
+        forEach(Object_keys(ctx), function (key) {
+            context[key] = ctx[key];
+        });
+    }
+
+    return res;
+};
+
+forEach(Object_keys(Script.prototype), function (name) {
+    exports[name] = Script[name] = function (code) {
+        var s = Script(code);
+        return s[name].apply(s, [].slice.call(arguments, 1));
+    };
+});
+
+exports.isContext = function (context) {
+    return context instanceof Context;
+};
+
+exports.createScript = function (code) {
+    return exports.Script(code);
+};
+
+exports.createContext = Script.createContext = function (context) {
+    var copy = new Context();
+    if(typeof context === 'object') {
+        forEach(Object_keys(context), function (key) {
+            copy[key] = context[key];
+        });
+    }
+    return copy;
+};
diff --git a/node_modules/vm-browserify/package.json b/node_modules/vm-browserify/package.json
new file mode 100644
index 00000000..6158f2fd
--- /dev/null
+++ b/node_modules/vm-browserify/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "vm-browserify",
+  "version": "1.1.2",
+  "description": "vm module for the browser",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/substack/vm-browserify.git"
+  },
+  "keywords": [
+    "vm",
+    "browser",
+    "eval"
+  ],
+  "dependencies": {},
+  "devDependencies": {
+    "browserify": "^16.1.1",
+    "tape": "^4.11.0",
+    "tape-run": "^6.0.1"
+  },
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "scripts": {
+    "test": "browserify test/vm.js | tape-run"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/vm-browserify/readme.markdown b/node_modules/vm-browserify/readme.markdown
new file mode 100644
index 00000000..bc0bfe21
--- /dev/null
+++ b/node_modules/vm-browserify/readme.markdown
@@ -0,0 +1,66 @@
+# vm-browserify
+
+emulate node's vm module for the browser
+
+[![Build Status](https://travis-ci.org/browserify/vm-browserify.svg?branch=master)](https://travis-ci.org/browserify/vm-browserify)
+
+# example
+
+Just write some client-side javascript:
+
+``` js
+var vm = require('vm');
+
+window.addEventListener('load', function () {
+    var res = vm.runInNewContext('a + 5', { a : 100 });
+    document.querySelector('#res').textContent = res;
+});
+```
+
+compile it with [browserify](http://github.com/substack/node-browserify):
+
+```
+browserify entry.js -o bundle.js
+```
+
+then whip up some html:
+
+``` html
+<html>
+  <head>
+    <script src="/bundle.js"></script>
+  </head>
+  <body>
+    result = <span id="res"></span>
+  </body>
+</html>
+```
+
+and when you load the page you should see:
+
+```
+result = 105
+```
+
+# methods
+
+## vm.runInNewContext(code, context={})
+
+Evaluate some `code` in a new iframe with a `context`.
+
+Contexts are like wrapping your code in a `with()` except slightly less terrible
+because the code is sandboxed into a new iframe.
+
+# install
+
+This module is depended upon by browserify, so you should just be able to
+`require('vm')` and it will just work. However if you want to use this module
+directly you can install it with [npm](http://npmjs.org):
+
+```
+npm install vm-browserify
+```
+
+# license
+
+MIT
diff --git a/node_modules/vm-browserify/security.md b/node_modules/vm-browserify/security.md
new file mode 100644
index 00000000..a14ace6a
--- /dev/null
+++ b/node_modules/vm-browserify/security.md
@@ -0,0 +1,10 @@
+# Security Policy
+
+## Supported Versions
+Only the latest major version is supported at any given time.
+
+## Reporting a Vulnerability
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
diff --git a/node_modules/vm-browserify/test/vm.js b/node_modules/vm-browserify/test/vm.js
new file mode 100644
index 00000000..ea8cd31b
--- /dev/null
+++ b/node_modules/vm-browserify/test/vm.js
@@ -0,0 +1,35 @@
+var test = require('tape');
+var vm = require('../');
+
+test('vmRunInNewContext', function (t) {
+    t.plan(6);
+    
+    t.equal(vm.runInNewContext('a + 5', { a : 100 }), 105);
+    
+    (function () {
+        var vars = { x : 10 };
+        t.equal(vm.runInNewContext('x++', vars), 10);
+        t.equal(vars.x, 11);
+    })();
+    
+    (function () {
+        var vars = { x : 10 };
+        t.equal(vm.runInNewContext('var y = 3; y + x++', vars), 13);
+        t.equal(vars.x, 11);
+        t.equal(vars.y, 3);
+    })();
+    
+    t.end();
+});
+
+test('vmRunInContext', function (t) {
+    t.plan(2);
+
+    var context = vm.createContext({ foo: 1 });
+
+    vm.runInContext('var x = 1', context);
+    t.deepEqual(context, { foo: 1, x: 1 });
+
+    vm.runInContext('var y = 1', context);
+    t.deepEqual(context, { foo: 1, x: 1, y: 1 });
+});
diff --git a/node_modules/vue-pdf/.babelrc b/node_modules/vue-pdf/.babelrc
new file mode 100644
index 00000000..b0328c4b
--- /dev/null
+++ b/node_modules/vue-pdf/.babelrc
@@ -0,0 +1,3 @@
+{
+  "plugins": ["syntax-dynamic-import"]
+}
\ No newline at end of file
diff --git a/node_modules/vue-pdf/ISSUE_TEMPLATE.md b/node_modules/vue-pdf/ISSUE_TEMPLATE.md
new file mode 100644
index 00000000..fcf9fe3c
--- /dev/null
+++ b/node_modules/vue-pdf/ISSUE_TEMPLATE.md
@@ -0,0 +1,17 @@
+<!--
+IMPORTANT
+=========
+ - use english language.
+ - check if the problem has not already been reported or fixed (https://github.com/FranckFreiburger/vue-pdf/issues?q=is%3Aissue).
+ - only report one issue at a time (if you encounter two problems, fill two issues).
+ - provide a complete description of your problem, add screenshots if necessary.
+ - if the issue is related to the pdf content display, try to open with http://mozilla.github.io/pdf.js/web/viewer.html?file=
+ - provide:
+     - vue-pdf version
+     - vue.js version
+     - webpack version
+     - browser version
+     - OS version
+ - if possible, provide a minimal testcase to reproduce your problem.
+-->
+
diff --git a/node_modules/vue-pdf/LICENSE b/node_modules/vue-pdf/LICENSE
new file mode 100644
index 00000000..0c23ba0a
--- /dev/null
+++ b/node_modules/vue-pdf/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Franck Freiburger
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/vue-pdf/README.md b/node_modules/vue-pdf/README.md
new file mode 100644
index 00000000..33a19f3b
--- /dev/null
+++ b/node_modules/vue-pdf/README.md
@@ -0,0 +1,301 @@
+# vue-pdf
+vue.js pdf viewer is a package for Vue that enables you to display and view PDF's easily via vue components.
+
+## Install via NPM/Yarn
+```bash
+npm install vue-pdf
+```
+
+```bash
+yarn add vue-pdf
+```
+
+## Example - basic
+```vue
+<template>
+  <pdf src="./path/to/static/relativity.pdf"></pdf>
+</template>
+
+<script>
+import pdf from 'vue-pdf'
+
+export default {
+  components: {
+    pdf
+  }
+}
+```
+
+## Demo
+
+[vue-pdf demo on jsfiddle](https://jsfiddle.net/fossfiddler/5k4ptmqg/145/)
+
+_TBD: fix the demo_
+
+## Browser support
+Same browser support as [Vue.js 2](https://github.com/vuejs/vue/blob/dev/README.md)
+
+## Note
+since v2.x, the script is exported as esm.
+
+## API
+
+### Props
+
+#### :src <sup>String / Object - default: ''<sup>
+The url of the given pdf. `src` may also be a `string|TypedArray|DocumentInitParameters|PDFDataRangeTransport` for more details, see [`PDFJS.getDocument()`](https://github.com/mozilla/pdf.js/blob/8ff1fbe7f819513e7d0023df961e3d223b35aefa/src/display/api.js#L117).
+
+#### :page <sup>Number - default: 1<sup>
+The page number to display.
+
+#### :rotate <sup>Number - default: 0<sup>
+The page rotation in degrees, only multiple of 90 are valid.
+EG: 90, 180, 270, 360, ...
+
+### Events
+
+#### @password <sup>(updatePassword, reason)<sup>
+  * `updatePassword`: The function to call with the pdf password.
+  * `reason`: the reason why this function is called `'NEED_PASSWORD'` or `'INCORRECT_PASSWORD'`
+
+#### @progress <sup>Number<sup>
+Document loading progress. Range [0, 1].
+
+#### @loaded
+Triggers when the document is loaded.
+
+#### @page-loaded <sup>Number<sup>
+Triggers when a page is loaded.
+
+#### @num-pages <sup>Number<sup>
+The sum of all pages from the given pdf.
+
+#### @error <sup>Object<sup>
+Triggers when an error occurs.
+
+#### @link-clicked <sup>Number<sup>
+Triggers when an internal link is clicked
+
+
+### Public methods
+
+#### print(dpi, pageList) * _experimental_ *
+  * `dpi`: the print resolution of the document (try 100).
+  * `pageList`: the list (array) of pages to print.
+
+### Public static methods
+
+#### createLoadingTask(src[, options])
+  * `src`: see `:src` prop  
+  * `options`: an object of options. 
+  This function creates a PDFJS loading task that can be used and reused as `:src` property.  
+  The loading task is a promise that resolves with the PDFJS pdf document that exposes the `numPages` property (see example below).
+  
+  **beware:** when the component is destroyed, the object returned by `createLoadingTask()` become invalid. 
+  
+  Supported options:
+  * onPassword: Callback that's called when a password protected PDF is being opened.
+  * onProgress: Callback return loading progress.
+  * withCredentials: Wheter or not to send cookies in the fetch request.
+
+
+## Examples
+
+##### Example - current page / page count
+```vue
+<template>
+	<div>
+		{{currentPage}} / {{pageCount}}
+		<pdf
+			src="https://cdn.mozilla.net/pdfjs/tracemonkey.pdf"
+			@num-pages="pageCount = $event"
+			@page-loaded="currentPage = $event"
+		></pdf>
+	</div>
+</template>
+
+<script>
+
+import pdf from 'vue-pdf'
+
+export default {
+	components: {
+		pdf
+	},
+	data() {
+		return {
+			currentPage: 0,
+			pageCount: 0,
+		}
+	}
+}
+
+</script>
+```
+
+
+##### Example - display multiple pages of the same pdf document
+```vue
+<template>
+	<div>
+		<pdf
+			v-for="i in numPages"
+			:key="i"
+			:src="src"
+			:page="i"
+			style="display: inline-block; width: 25%"
+		></pdf>
+	</div>
+</template>
+
+<script>
+
+import pdf from 'vue-pdf'
+
+var loadingTask = pdf.createLoadingTask('https://cdn.mozilla.net/pdfjs/tracemonkey.pdf');
+
+export default {
+	components: {
+		pdf
+	},
+	data() {
+		return {
+			src: loadingTask,
+			numPages: undefined,
+		}
+	},
+	mounted() {
+
+		this.src.promise.then(pdf => {
+
+			this.numPages = pdf.numPages;
+		});
+	}
+}
+
+</script>
+```
+
+
+##### Example - print all pages
+```vue
+<template>
+	<button @click="$refs.myPdfComponent.print()">print</button>
+	<pdf ref="myPdfComponent" src="https://cdn.mozilla.net/pdfjs/tracemonkey.pdf"></pdf>
+</template>
+```
+
+
+##### Example - print multiple pages
+```vue
+<template>
+	<button @click="$refs.myPdfComponent.print(100, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14])">print</button>
+	<pdf ref="myPdfComponent" src="https://cdn.mozilla.net/pdfjs/tracemonkey.pdf"></pdf>
+</template>
+```
+
+
+##### Example - get text content
+```vue
+<template>
+	<div>
+		<button
+			@click="logContent"
+		>
+			log content
+		</button>
+		<pdf
+			ref="myPdfComponent"
+			src="https://cdn.mozilla.net/pdfjs/tracemonkey.pdf"
+		></pdf>
+	</div>
+</template>
+
+<script>
+
+import pdf from 'vue-pdf'
+
+export default {
+	components: {
+		pdf
+	},
+	methods: {
+		logContent() {
+
+			this.$refs.myPdfComponent.pdf.forEachPage(function(page) {
+
+				return page.getTextContent()
+				.then(function(content) {
+
+					var text = content.items.map(item => item.str);
+					console.log(text);
+				})
+			});
+		}
+	}
+}
+
+</script>
+```
+
+
+##### Example - complete
+```vue
+<template>
+	<div>
+		<input type="checkbox" v-model="show">
+		<select v-model="src" style="width: 30em">
+			<option v-for="item in pdfList" :value="item" v-text="item"></option>
+		</select>
+		<input v-model.number="page" type="number" style="width: 5em"> /{{numPages}}
+		<button @click="rotate += 90">&#x27F3;</button>
+		<button @click="rotate -= 90">&#x27F2;</button>
+		<button @click="$refs.pdf.print()">print</button>
+		<div style="width: 50%">
+			<div v-if="loadedRatio > 0 && loadedRatio < 1" style="background-color: green; color: white; text-align: center" :style="{ width: loadedRatio * 100 + '%' }">{{ Math.floor(loadedRatio * 100) }}%</div>
+			<pdf v-if="show" ref="pdf" style="border: 1px solid red" :src="src" :page="page" :rotate="rotate" @password="password" @progress="loadedRatio = $event" @error="error" @num-pages="numPages = $event" @link-clicked="page = $event"></pdf>
+		</div>
+	</div>
+</template>
+<script>
+import pdf from 'vue-pdf'
+
+export default {
+	components: {
+		pdf: pdf
+	},
+	data () {
+		return {
+			show: true,
+			pdfList: [
+				'',
+				'https://cdn.mozilla.net/pdfjs/tracemonkey.pdf',
+				'https://cdn.rawgit.com/mozilla/pdf.js/c6e8ca86/test/pdfs/freeculture.pdf',
+				'https://cdn.rawgit.com/mozilla/pdf.js/c6e8ca86/test/pdfs/annotation-link-text-popup.pdf',
+				'https://cdn.rawgit.com/mozilla/pdf.js/c6e8ca86/test/pdfs/calrgb.pdf',
+				'https://cdn.rawgit.com/sayanee/angularjs-pdf/68066e85/example/pdf/relativity.protected.pdf',
+				'data:application/pdf;base64,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',
+			],
+			src:'',
+			loadedRatio: 0,
+			page: 1,
+			numPages: 0,
+			rotate: 0,
+		}
+	},
+	methods: {
+		password: function(updatePassword, reason) {
+
+			updatePassword(prompt('password is "test"'));
+		},
+		error: function(err) {
+
+			console.log(err);
+		}
+	}
+}
+</script>
+```
+
+## Credits
+[<img src="https://www.franck-freiburger.com/FF.png" width="16"> Franck Freiburger](https://www.franck-freiburger.com)
diff --git a/node_modules/vue-pdf/package.json b/node_modules/vue-pdf/package.json
new file mode 100644
index 00000000..86e06ef0
--- /dev/null
+++ b/node_modules/vue-pdf/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "vue-pdf",
+  "version": "4.3.0",
+  "description": "vue.js pdf viewer",
+  "main": "src/vuePdfNoSss.vue",
+  "scripts": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/FranckFreiburger/vue-pdf.git"
+  },
+  "keywords": [
+    "vue.js",
+    "pdf",
+    "viewer"
+  ],
+  "author": "Franck FREIBURGER",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/FranckFreiburger/vue-pdf/issues"
+  },
+  "homepage": "https://github.com/FranckFreiburger/vue-pdf#readme",
+  "dependencies": {
+    "babel-plugin-syntax-dynamic-import": "^6.18.0",
+    "loader-utils": "^1.4.0",
+    "pdfjs-dist": "2.6.347",
+    "raw-loader": "^4.0.2",
+    "vue-resize-sensor": "^2.0.0",
+    "worker-loader": "^2.0.0"
+  },
+  "peerDependencies": {}
+}
diff --git a/node_modules/vue-pdf/src/CMapReaderFactory.js b/node_modules/vue-pdf/src/CMapReaderFactory.js
new file mode 100644
index 00000000..90a16dfa
--- /dev/null
+++ b/node_modules/vue-pdf/src/CMapReaderFactory.js
@@ -0,0 +1,18 @@
+import { CMapCompressionType } from 'pdfjs-dist/es5/build/pdf.js'
+
+// see https://github.com/mozilla/pdf.js/blob/628e70fbb5dea3b9066aa5c34cca70aaafef8db2/src/display/dom_utils.js#L64
+
+export default function() {
+
+	this.fetch = function(query) {
+
+		return import('./buffer-loader!pdfjs-dist/cmaps/'+query.name+'.bcmap' /* webpackChunkName: "noprefetch-[request]" */)
+		.then(function(bcmap) {
+
+			return {
+				cMapData: bcmap.default,
+				compressionType: CMapCompressionType.BINARY,
+			};
+		});
+	}
+};
diff --git a/node_modules/vue-pdf/src/annotationLayer.css b/node_modules/vue-pdf/src/annotationLayer.css
new file mode 100644
index 00000000..e1922f18
--- /dev/null
+++ b/node_modules/vue-pdf/src/annotationLayer.css
@@ -0,0 +1,144 @@
+/* see https://github.com/mozilla/pdf.js/blob/55a853b6678cf3d05681ffbb521e5228e607b5d2/test/annotation_layer_test.css */
+
+.annotationLayer {
+	position: absolute;
+	left: 0;
+	top: 0;
+	right: 0;
+	bottom: 0;
+}
+
+.annotationLayer section {
+	position: absolute;
+}
+
+.annotationLayer .linkAnnotation > a {
+	position: absolute;
+	font-size: 1em;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+}
+
+.annotationLayer .linkAnnotation > a /* -ms-a */  {
+	background: url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7") 0 0 repeat;
+}
+
+.annotationLayer .linkAnnotation > a:hover {
+	opacity: 0.2;
+	background: #ff0;
+	box-shadow: 0px 2px 10px #ff0;
+}
+
+.annotationLayer .textAnnotation img {
+	position: absolute;
+	cursor: pointer;
+}
+
+.annotationLayer .textWidgetAnnotation input,
+.annotationLayer .textWidgetAnnotation textarea,
+.annotationLayer .choiceWidgetAnnotation select,
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+	background-color: rgba(0, 54, 255, 0.13);
+	border: 1px solid transparent;
+	box-sizing: border-box;
+	font-size: 9px;
+	height: 100%;
+	padding: 0 3px;
+	vertical-align: top;
+	width: 100%;
+}
+
+.annotationLayer .textWidgetAnnotation textarea {
+	font: message-box;
+	font-size: 9px;
+	resize: none;
+}
+
+.annotationLayer .textWidgetAnnotation input[disabled],
+.annotationLayer .textWidgetAnnotation textarea[disabled],
+.annotationLayer .choiceWidgetAnnotation select[disabled],
+.annotationLayer .buttonWidgetAnnotation.checkBox input[disabled],
+.annotationLayer .buttonWidgetAnnotation.radioButton input[disabled] {
+	background: none;
+	border: 1px solid transparent;
+	cursor: not-allowed;
+}
+
+.annotationLayer .textWidgetAnnotation input:hover,
+.annotationLayer .textWidgetAnnotation textarea:hover,
+.annotationLayer .choiceWidgetAnnotation select:hover,
+.annotationLayer .buttonWidgetAnnotation.checkBox input:hover,
+.annotationLayer .buttonWidgetAnnotation.radioButton input:hover {
+	border: 1px solid #000;
+}
+
+.annotationLayer .textWidgetAnnotation input:focus,
+.annotationLayer .textWidgetAnnotation textarea:focus,
+.annotationLayer .choiceWidgetAnnotation select:focus {
+	background: none;
+	border: 1px solid transparent;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb {
+	font-family: monospace;
+	padding-left: 2px;
+	padding-right: 0;
+}
+
+.annotationLayer .textWidgetAnnotation input.comb:focus {
+	/*
+	 * Letter spacing is placed on the right side of each character. Hence, the
+	 * letter spacing of the last character may be placed outside the visible
+	 * area, causing horizontal scrolling. We avoid this by extending the width
+	 * when the element has focus and revert this when it loses focus.
+	 */
+	width: 115%;
+}
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input,
+.annotationLayer .buttonWidgetAnnotation.radioButton input {
+	-webkit-appearance: none;
+	-moz-appearance: none;
+	-ms-appearance: none;
+	appearance: none;
+}
+
+.annotationLayer .popupWrapper {
+	position: absolute;
+	width: 20em;
+}
+
+.annotationLayer .popup {
+	position: absolute;
+	z-index: 200;
+	max-width: 20em;
+	background-color: #FFFF99;
+	box-shadow: 0px 2px 5px #333;
+	border-radius: 2px;
+	padding: 0.6em;
+	margin-left: 5px;
+	cursor: pointer;
+	word-wrap: break-word;
+}
+
+.annotationLayer .popup h1 {
+	font-size: 1em;
+	border-bottom: 1px solid #000000;
+	padding-bottom: 0.2em;
+}
+
+.annotationLayer .popup p {
+	padding-top: 0.2em;
+}
+
+.annotationLayer .highlightAnnotation,
+.annotationLayer .underlineAnnotation,
+.annotationLayer .squigglyAnnotation,
+.annotationLayer .strikeoutAnnotation,
+.annotationLayer .lineAnnotation svg line,
+.annotationLayer .fileAttachmentAnnotation {
+	cursor: pointer;
+}
diff --git a/node_modules/vue-pdf/src/buffer-loader.js b/node_modules/vue-pdf/src/buffer-loader.js
new file mode 100644
index 00000000..464c5a35
--- /dev/null
+++ b/node_modules/vue-pdf/src/buffer-loader.js
@@ -0,0 +1,16 @@
+var loaderUtils = require('loader-utils');
+
+module.exports = function(content) {
+
+	var options = loaderUtils.getOptions(this);
+
+	var data;
+	if ( content instanceof Buffer )
+		data = content;
+	else
+		data = Buffer.from(content);
+
+	return 'export default Buffer.from("'+data.toString('base64')+'", "base64")';
+}
+
+module.exports.raw = true;
diff --git a/node_modules/vue-pdf/src/componentFactory.js b/node_modules/vue-pdf/src/componentFactory.js
new file mode 100644
index 00000000..7ea49106
--- /dev/null
+++ b/node_modules/vue-pdf/src/componentFactory.js
@@ -0,0 +1,111 @@
+import resizeSensor from 'vue-resize-sensor'
+
+export default function(pdfjsWrapper) {
+
+	var createLoadingTask = pdfjsWrapper.createLoadingTask;
+	var PDFJSWrapper = pdfjsWrapper.PDFJSWrapper;
+
+	return {
+		createLoadingTask: createLoadingTask,
+		render: function(h) {
+			return h('span', {
+				attrs: {
+					style: 'position: relative; display: block'
+				}
+			}, [
+				h('canvas', {
+					attrs: {
+						style: 'display: inline-block; width: 100%; height: 100%; vertical-align: top',
+					},
+					ref:'canvas'
+				}),
+				h('span', {
+					style: 'display: inline-block; width: 100%; height: 100%',
+					class: 'annotationLayer',
+					ref:'annotationLayer'
+				}),
+				h(resizeSensor, {
+					props: {
+						initial: true
+					},
+					on: {
+						resize: this.resize
+					},
+				})
+			])
+		},
+		props: {
+			src: {
+				type: [String, Object, Uint8Array],
+				default: '',
+			},
+			page: {
+				type: Number,
+				default: 1,
+			},
+			rotate: {
+				type: Number,
+			},
+		},
+		watch: {
+			src: function() {
+
+				this.pdf.loadDocument(this.src);
+			},
+			page: function() {
+
+				this.pdf.loadPage(this.page, this.rotate);
+			},
+			rotate: function() {
+				this.pdf.renderPage(this.rotate);
+			},
+		},
+		methods: {
+			resize: function(size) {
+
+				// check if the element is attached to the dom tree || resizeSensor being destroyed
+				if ( this.$el.parentNode === null || (size.width === 0 && size.height === 0) )
+					return;
+
+				// on IE10- canvas height must be set
+				this.$refs.canvas.style.height = this.$refs.canvas.offsetWidth * (this.$refs.canvas.height / this.$refs.canvas.width) + 'px';
+				// update the page when the resolution is too poor
+				var resolutionScale = this.pdf.getResolutionScale();
+
+				if ( resolutionScale < 0.85 || resolutionScale > 1.15 )
+					this.pdf.renderPage(this.rotate);
+
+				// this.$refs.annotationLayer.style.transform = 'scale('+resolutionScale+')';
+			},
+			print: function(dpi, pageList) {
+
+				this.pdf.printPage(dpi, pageList);
+			}
+		},
+
+		// doc: mounted hook is not called during server-side rendering.
+		mounted: function() {
+
+			this.pdf = new PDFJSWrapper(this.$refs.canvas, this.$refs.annotationLayer, this.$emit.bind(this));
+
+			this.$on('loaded', function() {
+
+				this.pdf.loadPage(this.page, this.rotate);
+			});
+
+			this.$on('page-size', function(width, height) {
+
+				this.$refs.canvas.style.height = this.$refs.canvas.offsetWidth * (height / width) + 'px';
+			});
+
+			this.pdf.loadDocument(this.src);
+		},
+
+		// doc: destroyed hook is not called during server-side rendering.
+		destroyed: function() {
+
+			this.pdf.destroy();
+		}
+	}
+
+}
diff --git a/node_modules/vue-pdf/src/pdfjsWrapper.js b/node_modules/vue-pdf/src/pdfjsWrapper.js
new file mode 100644
index 00000000..67f2962b
--- /dev/null
+++ b/node_modules/vue-pdf/src/pdfjsWrapper.js
@@ -0,0 +1,391 @@
+import { PDFLinkService } from 'pdfjs-dist/es5/web/pdf_viewer';
+
+var pendingOperation = Promise.resolve();
+
+export default function(PDFJS) {
+
+	function isPDFDocumentLoadingTask(obj) {
+
+		return typeof(obj) === 'object' && obj !== null && obj.__PDFDocumentLoadingTask === true;
+		// or: return obj.constructor.name === 'PDFDocumentLoadingTask';
+	}
+
+	function createLoadingTask(src, options) {
+
+		var source;
+		if ( typeof(src) === 'string' )
+			source = { url: src };
+		else if ( src instanceof Uint8Array )
+			source = { data: src };
+		else if ( typeof(src) === 'object' && src !== null )
+			source = Object.assign({}, src);
+		else
+			throw new TypeError('invalid src type');
+
+		// source.verbosity = PDFJS.VerbosityLevel.INFOS;
+		// source.pdfBug = true;
+		// source.stopAtErrors = true;
+
+		if ( options && options.withCredentials )
+			source.withCredentials = options.withCredentials;
+
+		var loadingTask = PDFJS.getDocument(source);
+		loadingTask.__PDFDocumentLoadingTask = true; // since PDFDocumentLoadingTask is not public
+
+		if ( options && options.onPassword )
+			loadingTask.onPassword = options.onPassword;
+
+		if ( options && options.onProgress )
+			loadingTask.onProgress = options.onProgress;
+
+		return loadingTask;
+	}
+
+
+	function PDFJSWrapper(canvasElt, annotationLayerElt, emitEvent) {
+
+		var pdfDoc = null;
+		var pdfPage = null;
+		var pdfRender = null;
+		var canceling = false;
+
+		canvasElt.getContext('2d').save();
+
+		function clearCanvas() {
+
+			canvasElt.getContext('2d').clearRect(0, 0, canvasElt.width, canvasElt.height);
+		}
+
+		function clearAnnotations() {
+
+			while ( annotationLayerElt.firstChild )
+				annotationLayerElt.removeChild(annotationLayerElt.firstChild);
+		}
+
+		this.destroy = function() {
+
+			if ( pdfDoc === null )
+				return;
+
+			// Aborts all network requests and destroys worker.
+			pendingOperation = pdfDoc.destroy();
+			pdfDoc = null;
+		}
+
+		this.getResolutionScale = function() {
+
+			return canvasElt.offsetWidth / canvasElt.width;
+		}
+
+		this.printPage = function(dpi, pageNumberOnly) {
+
+			if ( pdfPage === null )
+				return;
+
+			// 1in == 72pt
+			// 1in == 96px
+			var PRINT_RESOLUTION = dpi === undefined ? 150 : dpi;
+			var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
+			var CSS_UNITS = 96.0 / 72.0;
+
+			var iframeElt = document.createElement('iframe');
+
+			function removeIframe() {
+
+				iframeElt.parentNode.removeChild(iframeElt);
+			}
+
+			new Promise(function(resolve, reject) {
+
+				iframeElt.frameBorder = '0';
+				iframeElt.scrolling = 'no';
+				iframeElt.width = '0px;'
+				iframeElt.height = '0px;'
+				iframeElt.style.cssText = 'position: absolute; top: 0; left: 0';
+
+				iframeElt.onload = function() {
+
+					resolve(this.contentWindow);
+				}
+
+				window.document.body.appendChild(iframeElt);
+			})
+			.then(function(win) {
+
+				win.document.title = '';
+
+				return pdfDoc.getPage(1)
+				.then(function(page) {
+
+					var viewport = page.getViewport({ scale: 1 });
+					win.document.head.appendChild(win.document.createElement('style')).textContent =
+						'@supports ((size:A4) and (size:1pt 1pt)) {' +
+							'@page { margin: 1pt; size: ' + ((viewport.width * PRINT_UNITS) / CSS_UNITS) + 'pt ' + ((viewport.height * PRINT_UNITS) / CSS_UNITS) + 'pt; }' +
+						'}' +
+
+						'@media print {' +
+							'body { margin: 0 }' +
+							'canvas { page-break-before: avoid; page-break-after: always; page-break-inside: avoid }' +
+						'}'+
+
+						'@media screen {' +
+							'body { margin: 0 }' +
+						'}'+
+
+						''
+					return win;
+				})
+			})
+			.then(function(win) {
+
+				var allPages = [];
+
+				for ( var pageNumber = 1; pageNumber <= pdfDoc.numPages; ++pageNumber ) {
+
+					if ( pageNumberOnly !== undefined && pageNumberOnly.indexOf(pageNumber) === -1 )
+						continue;
+
+					allPages.push(
+						pdfDoc.getPage(pageNumber)
+						.then(function(page) {
+
+							var viewport = page.getViewport({ scale: 1 });
+
+							var printCanvasElt = win.document.body.appendChild(win.document.createElement('canvas'));
+							printCanvasElt.width = (viewport.width * PRINT_UNITS);
+							printCanvasElt.height = (viewport.height * PRINT_UNITS);
+
+							return page.render({
+								canvasContext: printCanvasElt.getContext('2d'),
+								transform: [ // Additional transform, applied just before viewport transform.
+									PRINT_UNITS, 0, 0,
+									PRINT_UNITS, 0, 0
+								],
+								viewport: viewport,
+								intent: 'print'
+							}).promise;
+						})
+					);
+				}
+
+				Promise.all(allPages)
+				.then(function() {
+
+					win.focus(); // Required for IE
+					if (win.document.queryCommandSupported('print')) {
+						win.document.execCommand('print', false, null);
+						} else {
+						win.print();
+					  }
+					removeIframe();
+				})
+				.catch(function(err) {
+
+					removeIframe();
+					emitEvent('error', err);
+				})
+			})
+		}
+
+		this.renderPage = function(rotate) {
+			if ( pdfRender !== null ) {
+
+				if ( canceling )
+					return;
+				canceling = true;
+				pdfRender.cancel().catch(function(err) {
+					emitEvent('error', err);
+				});
+				return;
+			}
+
+			if ( pdfPage === null )
+				return;
+
+			var pageRotate = (pdfPage.rotate === undefined ? 0 : pdfPage.rotate) + (rotate === undefined ? 0 : rotate);
+
+			var scale = canvasElt.offsetWidth / pdfPage.getViewport({ scale: 1 }).width * (window.devicePixelRatio || 1);
+			var viewport = pdfPage.getViewport({ scale: scale, rotation:pageRotate });
+
+			emitEvent('page-size', viewport.width, viewport.height, scale);
+
+			canvasElt.width = viewport.width;
+			canvasElt.height = viewport.height;
+
+			pdfRender = pdfPage.render({
+				canvasContext: canvasElt.getContext('2d'),
+				viewport: viewport
+			});
+
+			annotationLayerElt.style.visibility = 'hidden';
+			clearAnnotations();
+
+			var viewer = {
+				scrollPageIntoView: function(params) {
+					emitEvent('link-clicked', params.pageNumber)
+				},
+			};
+
+			var linkService = new PDFLinkService();
+			linkService.setDocument(pdfDoc);
+			linkService.setViewer(viewer);
+
+			pendingOperation = pendingOperation.then(function() {
+
+				var getAnnotationsOperation =
+				pdfPage.getAnnotations({ intent: 'display' })
+				.then(function(annotations) {
+
+					PDFJS.AnnotationLayer.render({
+						viewport: viewport.clone({ dontFlip: true }),
+						div: annotationLayerElt,
+						annotations: annotations,
+						page: pdfPage,
+						linkService: linkService,
+						renderInteractiveForms: false
+					});
+				});
+
+				var pdfRenderOperation =
+				pdfRender.promise
+				.then(function() {
+
+					annotationLayerElt.style.visibility = '';
+					canceling = false;
+					pdfRender = null;
+				})
+				.catch(function(err) {
+
+					pdfRender = null;
+					if ( err instanceof PDFJS.RenderingCancelledException ) {
+
+						canceling = false;
+						this.renderPage(rotate);
+						return;
+					}
+					emitEvent('error', err);
+				}.bind(this))
+
+				return Promise.all([getAnnotationsOperation, pdfRenderOperation]);
+			}.bind(this));
+		}
+
+
+		this.forEachPage = function(pageCallback) {
+
+			var numPages = pdfDoc.numPages;
+
+			(function next(pageNum) {
+
+				pdfDoc.getPage(pageNum)
+				.then(pageCallback)
+				.then(function() {
+
+					if ( ++pageNum <= numPages )
+						next(pageNum);
+				})
+			})(1);
+		}
+
+
+		this.loadPage = function(pageNumber, rotate) {
+
+			pdfPage = null;
+
+			if ( pdfDoc === null )
+				return;
+
+			pendingOperation = pendingOperation.then(function() {
+
+				return pdfDoc.getPage(pageNumber);
+			})
+			.then(function(page) {
+
+				pdfPage = page;
+				this.renderPage(rotate);
+				emitEvent('page-loaded', page.pageNumber);
+			}.bind(this))
+			.catch(function(err) {
+
+				clearCanvas();
+				clearAnnotations();
+				emitEvent('error', err);
+			});
+		}
+
+		this.loadDocument = function(src) {
+
+			pdfDoc = null;
+			pdfPage = null;
+
+			emitEvent('num-pages', undefined);
+
+			if ( !src ) {
+
+				canvasElt.removeAttribute('width');
+				canvasElt.removeAttribute('height');
+				clearAnnotations();
+				return;
+			}
+
+			// wait for pending operation ends
+			pendingOperation = pendingOperation.then(function() {
+
+				var loadingTask;
+				if ( isPDFDocumentLoadingTask(src) ) {
+
+					if ( src.destroyed ) {
+
+						emitEvent('error', new Error('loadingTask has been destroyed'));
+						return
+					}
+
+					loadingTask = src;
+				} else {
+
+					loadingTask = createLoadingTask(src, {
+						onPassword: function(updatePassword, reason) {
+
+							var reasonStr;
+							switch (reason) {
+								case PDFJS.PasswordResponses.NEED_PASSWORD:
+									reasonStr = 'NEED_PASSWORD';
+									break;
+								case PDFJS.PasswordResponses.INCORRECT_PASSWORD:
+									reasonStr = 'INCORRECT_PASSWORD';
+									break;
+							}
+							emitEvent('password', updatePassword, reasonStr);
+						},
+						onProgress: function(status) {
+
+							var ratio = status.loaded / status.total;
+							emitEvent('progress', Math.min(ratio, 1));
+						}
+					});
+				}
+
+				return loadingTask.promise;
+			})
+			.then(function(pdf) {
+
+				pdfDoc = pdf;
+				emitEvent('num-pages', pdf.numPages);
+				emitEvent('loaded');
+			})
+			.catch(function(err) {
+
+				clearCanvas();
+				clearAnnotations();
+				emitEvent('error', err);
+			})
+		}
+
+		annotationLayerElt.style.transformOrigin = '0 0';
+	}
+
+	return {
+		createLoadingTask: createLoadingTask,
+		PDFJSWrapper: PDFJSWrapper,
+	}
+}
diff --git a/node_modules/vue-pdf/src/vuePdfNoSss.vue b/node_modules/vue-pdf/src/vuePdfNoSss.vue
new file mode 100644
index 00000000..2ef83703
--- /dev/null
+++ b/node_modules/vue-pdf/src/vuePdfNoSss.vue
@@ -0,0 +1,24 @@
+<style src="./annotationLayer.css"></style>
+<script>
+
+	import componentFactory from './componentFactory.js'
+
+	if ( process.env.VUE_ENV !== 'server' ) {
+
+		var pdfjsWrapper = require('./pdfjsWrapper.js').default;
+		var PDFJS = require('pdfjs-dist/es5/build/pdf.js');
+
+		if ( typeof window !== 'undefined' && 'Worker' in window && navigator.appVersion.indexOf('MSIE 10') === -1 ) {
+
+			var PdfjsWorker = require('worker-loader!pdfjs-dist/es5/build/pdf.worker.js');
+			PDFJS.GlobalWorkerOptions.workerPort = new PdfjsWorker();
+		}
+
+		var component = componentFactory(pdfjsWrapper(PDFJS));
+	} else {
+
+		var component = componentFactory({});
+	}
+
+	export default component;
+</script>
\ No newline at end of file
diff --git a/node_modules/vue-pdf/src/vuePdfNoSssNoWorker.vue b/node_modules/vue-pdf/src/vuePdfNoSssNoWorker.vue
new file mode 100644
index 00000000..591b82b5
--- /dev/null
+++ b/node_modules/vue-pdf/src/vuePdfNoSssNoWorker.vue
@@ -0,0 +1,17 @@
+<style src="./annotationLayer.css"></style>
+<script>
+
+	import componentFactory from './componentFactory.js'
+
+	if ( process.env.VUE_ENV !== 'server' ) {
+
+		var pdfjsWrapper = require('./pdfjsWrapper.js').default;
+		var PDFJS = require('pdfjs-dist/es5/build/pdf.js');
+		var component = componentFactory(pdfjsWrapper(PDFJS));
+	} else {
+
+		var component = componentFactory({});
+	}
+
+	export default component;
+</script>
\ No newline at end of file
diff --git a/node_modules/vue-pdf/src/vuePdfSss.vue b/node_modules/vue-pdf/src/vuePdfSss.vue
new file mode 100644
index 00000000..c507b898
--- /dev/null
+++ b/node_modules/vue-pdf/src/vuePdfSss.vue
@@ -0,0 +1,23 @@
+<style src="./annotationLayer.css"></style>
+<script>
+
+	import componentFactory from './componentFactory'
+	import pdfjsWrapper from './pdfjsWrapper'
+
+	var PDFJS = require('pdfjs-dist/es5/build/pdf.js');
+
+	if ( process.env.VUE_ENV !== 'server' ) {
+
+		if ( typeof window !== 'undefined' && 'Worker' in window ) {
+
+			var PdfjsWorker = require('worker-loader!pdfjs-dist/es5/build/pdf.worker.js');
+			PDFJS.GlobalWorkerOptions.workerPort = new PdfjsWorker();
+		}
+	}
+
+	var component = componentFactory(pdfjsWrapper(PDFJS));
+	component.PDFJS = PDFJS;
+
+	export default component;
+
+</script>
\ No newline at end of file
diff --git a/node_modules/vue-resize-sensor/.babelrc b/node_modules/vue-resize-sensor/.babelrc
new file mode 100644
index 00000000..7a73a41b
--- /dev/null
+++ b/node_modules/vue-resize-sensor/.babelrc
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/node_modules/vue-resize-sensor/LICENSE b/node_modules/vue-resize-sensor/LICENSE
new file mode 100644
index 00000000..0c23ba0a
--- /dev/null
+++ b/node_modules/vue-resize-sensor/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Franck Freiburger
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/vue-resize-sensor/README.md b/node_modules/vue-resize-sensor/README.md
new file mode 100644
index 00000000..1f789f57
--- /dev/null
+++ b/node_modules/vue-resize-sensor/README.md
@@ -0,0 +1,40 @@
+# vue-resize-sensor
+detect container resizing. 
+* event based
+* no window.onresize
+* no interval/timeout detection
+* no CSS modifications
+* no Javascript-Framework dependency
+
+## Example
+```
+<template>
+  <div>
+    <resize-sensor @resize="resize"></resize-sensor>
+  </div>
+</template>
+
+```
+
+## API
+
+### props
+
+#### initial <sup>Boolean<sup>
+Request an initial size event.
+
+
+### events
+
+#### @resize <sup>Object<sup>
+A size object `{ width, height }`
+
+
+## Browser support
+Same browser support as [Vue.js 2](https://github.com/vuejs/vue/blob/dev/README.md)
+
+## Note
+since v2.x, the script is exported as esm.
+
+## Credits
+[<img src="https://www.franck-freiburger.com/FF.png" width="16"> Franck Freiburger](https://www.franck-freiburger.com)
diff --git a/node_modules/vue-resize-sensor/package.json b/node_modules/vue-resize-sensor/package.json
new file mode 100644
index 00000000..f770cc76
--- /dev/null
+++ b/node_modules/vue-resize-sensor/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "vue-resize-sensor",
+  "version": "2.0.0",
+  "description": "detect container resizing",
+  "main": "src/resize-sensor.vue",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/FranckFreiburger/vue-resize-sensor.git"
+  },
+  "keywords": [
+    "vue2",
+    "detect",
+    "element",
+    "resize"
+  ],
+  "author": "Franck FREIBURGER",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/FranckFreiburger/vue-resize-sensor/issues"
+  },
+  "homepage": "https://github.com/FranckFreiburger/vue-resize-sensor#readme"
+}
diff --git a/node_modules/vue-resize-sensor/src/resize-sensor.vue b/node_modules/vue-resize-sensor/src/resize-sensor.vue
new file mode 100644
index 00000000..5cb7951e
--- /dev/null
+++ b/node_modules/vue-resize-sensor/src/resize-sensor.vue
@@ -0,0 +1,120 @@
+<style>
+@keyframes resizeSensorVisibility {
+	from { top: 0; }
+}
+</style>
+
+<script>
+"use strict";
+
+export default {
+
+	// thanks to https://github.com/marcj/css-element-queries
+	props: {
+		initial: {
+			type: Boolean,
+			default: false,
+		}
+	},
+	data: function() {
+		return {
+			size: {
+				width: -1,
+				height: -1
+			}
+		}
+	},
+	methods: {
+		reset: function() {
+
+			var expand = this.$el.firstChild;
+			var shrink = this.$el.lastChild;
+			expand.scrollLeft = 100000;
+			expand.scrollTop = 100000;
+			shrink.scrollLeft = 100000;
+			shrink.scrollTop = 100000;
+		},
+		update: function() {
+			
+			this.size.width = this.$el.offsetWidth;
+			this.size.height = this.$el.offsetHeight;
+		}
+	},
+	watch: {
+		size: {
+			deep: true,
+			handler: function(size) {
+				
+				this.reset();
+				this.$emit('resize', { width: this.size.width, height: this.size.height });
+			}
+		}
+	},
+	render: function(create) {
+		
+		var style = 'position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: hidden; z-index: -1; visibility: hidden;';
+		var styleChild = 'position: absolute; left: 0; top: 0;';
+
+		return create('div', {
+			style: style + 'animation-name: resizeSensorVisibility;',
+			on: {
+				'~animationstart': this.update
+			}
+		},[
+			create('div', {
+				style: style,
+				on: {
+					scroll: this.update
+				}
+			}, [
+				create('div', {
+					style: styleChild + 'width: 100000px; height: 100000px;'
+				})
+			]),
+			create('div', {
+				style: style,
+				on: {
+					scroll: this.update
+				}
+			}, [
+				create('div', {
+					style: styleChild + 'width: 200%; height: 200%;'
+				})
+			]),
+		]);
+	},
+	beforeDestroy: function() {
+		
+		this.$emit('resize', { width: 0, height: 0 });
+		this.$emit('resizeSensorBeforeDestroy');
+	},
+	mounted: function() {
+
+		if ( this.initial === true )
+			this.$nextTick(this.update);
+		
+		if ( this.$el.offsetParent !== this.$el.parentNode )
+			this.$el.parentNode.style.position = 'relative';
+
+		if ( 'attachEvent' in this.$el && !('AnimationEvent' in window) ) {
+
+			var onresizeHandler = function() {
+
+				this.update();
+				removeOnresizeEvent();
+			}.bind(this);
+		
+			var removeOnresizeEvent = function() {
+				
+				this.$el.detachEvent('onresize', onresizeHandler);
+				this.$off('resizeSensorBeforeDestroy', removeOnresizeEvent);
+			}.bind(this);
+			
+			this.$el.attachEvent('onresize', onresizeHandler);
+			this.$on('resizeSensorBeforeDestroy', removeOnresizeEvent);
+			this.reset();
+		}
+	}
+}
+
+</script>
diff --git a/node_modules/watchpack-chokidar2/index.js b/node_modules/watchpack-chokidar2/index.js
new file mode 100644
index 00000000..83b6dbf2
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/index.js
@@ -0,0 +1 @@
+module.exports = require("chokidar");
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/LICENSE b/node_modules/watchpack-chokidar2/node_modules/anymatch/LICENSE
new file mode 100644
index 00000000..bc424705
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) 2014 Elan Shanker
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/README.md b/node_modules/watchpack-chokidar2/node_modules/anymatch/README.md
new file mode 100644
index 00000000..f674f407
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/README.md
@@ -0,0 +1,99 @@
+anymatch [![Build Status](https://travis-ci.org/micromatch/anymatch.svg?branch=master)](https://travis-ci.org/micromatch/anymatch) [![Coverage Status](https://img.shields.io/coveralls/micromatch/anymatch.svg?branch=master)](https://coveralls.io/r/micromatch/anymatch?branch=master)
+======
+Javascript module to match a string against a regular expression, glob, string,
+or function that takes the string as an argument and returns a truthy or falsy
+value. The matcher can also be an array of any or all of these. Useful for
+allowing a very flexible user-defined config to define things like file paths.
+
+__Note: This module has Bash-parity, please be aware that Windows-style backslashes are not supported as separators. See https://github.com/micromatch/micromatch#backslashes for more information.__
+
+[![NPM](https://nodei.co/npm/anymatch.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/anymatch/)
+[![NPM](https://nodei.co/npm-dl/anymatch.png?height=3&months=9)](https://nodei.co/npm-dl/anymatch/)
+
+Usage
+-----
+```sh
+npm install anymatch --save
+```
+
+#### anymatch (matchers, testString, [returnIndex], [startIndex], [endIndex])
+* __matchers__: (_Array|String|RegExp|Function_)
+String to be directly matched, string with glob patterns, regular expression
+test, function that takes the testString as an argument and returns a truthy
+value if it should be matched, or an array of any number and mix of these types.
+* __testString__: (_String|Array_) The string to test against the matchers. If
+passed as an array, the first element of the array will be used as the
+`testString` for non-function matchers, while the entire array will be applied
+as the arguments for function matchers.
+* __returnIndex__: (_Boolean [optional]_) If true, return the array index of
+the first matcher that that testString matched, or -1 if no match, instead of a
+boolean result.
+* __startIndex, endIndex__: (_Integer [optional]_) Can be used to define a
+subset out of the array of provided matchers to test against. Can be useful
+with bound matcher functions (see below). When used with `returnIndex = true`
+preserves original indexing. Behaves the same as `Array.prototype.slice` (i.e.
+includes array members up to, but not including endIndex).
+
+```js
+var anymatch = require('anymatch');
+
+var matchers = [
+	'path/to/file.js',
+	'path/anyjs/**/*.js',
+	/foo\.js$/,
+	function (string) {
+		return string.indexOf('bar') !== -1 && string.length > 10
+	}
+];
+
+anymatch(matchers, 'path/to/file.js'); // true
+anymatch(matchers, 'path/anyjs/baz.js'); // true
+anymatch(matchers, 'path/to/foo.js'); // true
+anymatch(matchers, 'path/to/bar.js'); // true
+anymatch(matchers, 'bar.js'); // false
+
+// returnIndex = true
+anymatch(matchers, 'foo.js', true); // 2
+anymatch(matchers, 'path/anyjs/foo.js', true); // 1
+
+// skip matchers
+anymatch(matchers, 'path/to/file.js', false, 1); // false
+anymatch(matchers, 'path/anyjs/foo.js', true, 2, 3); // 2
+anymatch(matchers, 'path/to/bar.js', true, 0, 3); // -1
+
+// using globs to match directories and their children
+anymatch('node_modules', 'node_modules'); // true
+anymatch('node_modules', 'node_modules/somelib/index.js'); // false
+anymatch('node_modules/**', 'node_modules/somelib/index.js'); // true
+anymatch('node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // false
+anymatch('**/node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // true
+```
+
+#### anymatch (matchers)
+You can also pass in only your matcher(s) to get a curried function that has
+already been bound to the provided matching criteria. This can be used as an
+`Array.prototype.filter` callback.
+
+```js
+var matcher = anymatch(matchers);
+
+matcher('path/to/file.js'); // true
+matcher('path/anyjs/baz.js', true); // 1
+matcher('path/anyjs/baz.js', true, 2); // -1
+
+['foo.js', 'bar.js'].filter(matcher); // ['foo.js']
+```
+
+Change Log
+----------
+[See release notes page on GitHub](https://github.com/micromatch/anymatch/releases)
+
+NOTE: As of v2.0.0, [micromatch](https://github.com/jonschlinkert/micromatch) moves away from minimatch-parity and inline with Bash. This includes handling backslashes differently (see https://github.com/micromatch/micromatch#backslashes for more information).
+
+NOTE: As of v1.2.0, anymatch uses [micromatch](https://github.com/jonschlinkert/micromatch)
+for glob pattern matching. Issues with glob pattern matching should be
+reported directly to the [micromatch issue tracker](https://github.com/jonschlinkert/micromatch/issues).
+
+License
+-------
+[ISC](https://raw.github.com/micromatch/anymatch/master/LICENSE)
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/index.js b/node_modules/watchpack-chokidar2/node_modules/anymatch/index.js
new file mode 100644
index 00000000..e4116185
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/index.js
@@ -0,0 +1,67 @@
+'use strict';
+
+var micromatch = require('micromatch');
+var normalize = require('normalize-path');
+var path = require('path'); // required for tests.
+var arrify = function(a) { return a == null ? [] : (Array.isArray(a) ? a : [a]); };
+
+var anymatch = function(criteria, value, returnIndex, startIndex, endIndex) {
+  criteria = arrify(criteria);
+  value = arrify(value);
+  if (arguments.length === 1) {
+    return anymatch.bind(null, criteria.map(function(criterion) {
+      return typeof criterion === 'string' && criterion[0] !== '!' ?
+        micromatch.matcher(criterion) : criterion;
+    }));
+  }
+  startIndex = startIndex || 0;
+  var string = value[0];
+  var altString, altValue;
+  var matched = false;
+  var matchIndex = -1;
+  function testCriteria(criterion, index) {
+    var result;
+    switch (Object.prototype.toString.call(criterion)) {
+    case '[object String]':
+      result = string === criterion || altString && altString === criterion;
+      result = result || micromatch.isMatch(string, criterion);
+      break;
+    case '[object RegExp]':
+      result = criterion.test(string) || altString && criterion.test(altString);
+      break;
+    case '[object Function]':
+      result = criterion.apply(null, value);
+      result = result || altValue && criterion.apply(null, altValue);
+      break;
+    default:
+      result = false;
+    }
+    if (result) {
+      matchIndex = index + startIndex;
+    }
+    return result;
+  }
+  var crit = criteria;
+  var negGlobs = crit.reduce(function(arr, criterion, index) {
+    if (typeof criterion === 'string' && criterion[0] === '!') {
+      if (crit === criteria) {
+        // make a copy before modifying
+        crit = crit.slice();
+      }
+      crit[index] = null;
+      arr.push(criterion.substr(1));
+    }
+    return arr;
+  }, []);
+  if (!negGlobs.length || !micromatch.any(string, negGlobs)) {
+    if (path.sep === '\\' && typeof string === 'string') {
+      altString = normalize(string);
+      altString = altString === string ? null : altString;
+      if (altString) altValue = [altString].concat(value.slice(1));
+    }
+    matched = crit.slice(startIndex, endIndex).some(testCriteria);
+  }
+  return returnIndex === true ? matchIndex : matched;
+};
+
+module.exports = anymatch;
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/LICENSE b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/LICENSE
new file mode 100644
index 00000000..d734237b
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2017, Jon Schlinkert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/README.md b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/README.md
new file mode 100644
index 00000000..daa0edda
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/README.md
@@ -0,0 +1,92 @@
+# normalize-path [![NPM version](https://img.shields.io/npm/v/normalize-path.svg?style=flat)](https://www.npmjs.com/package/normalize-path) [![NPM monthly downloads](https://img.shields.io/npm/dm/normalize-path.svg?style=flat)](https://npmjs.org/package/normalize-path)  [![NPM total downloads](https://img.shields.io/npm/dt/normalize-path.svg?style=flat)](https://npmjs.org/package/normalize-path) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/normalize-path.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/normalize-path)
+
+> Normalize file path slashes to be unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes unless disabled.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save normalize-path
+```
+
+## Usage
+
+```js
+var normalize = require('normalize-path');
+
+normalize('\\foo\\bar\\baz\\');
+//=> '/foo/bar/baz'
+
+normalize('./foo/bar/baz/');
+//=> './foo/bar/baz'
+```
+
+Pass `false` as the last argument to **keep** trailing slashes:
+
+```js
+normalize('./foo/bar/baz/', false);
+//=> './foo/bar/baz/'
+
+normalize('foo\\bar\\baz\\', false);
+//=> 'foo/bar/baz/'
+```
+
+## About
+
+### Related projects
+
+* [contains-path](https://www.npmjs.com/package/contains-path): Return true if a file path contains the given path. | [homepage](https://github.com/jonschlinkert/contains-path "Return true if a file path contains the given path.")
+* [ends-with](https://www.npmjs.com/package/ends-with): Returns `true` if the given `string` or `array` ends with `suffix` using strict equality for… [more](https://github.com/jonschlinkert/ends-with) | [homepage](https://github.com/jonschlinkert/ends-with "Returns `true` if the given `string` or `array` ends with `suffix` using strict equality for comparisons.")
+* [is-absolute](https://www.npmjs.com/package/is-absolute): Polyfill for node.js `path.isAbolute`. Returns true if a file path is absolute. | [homepage](https://github.com/jonschlinkert/is-absolute "Polyfill for node.js `path.isAbolute`. Returns true if a file path is absolute.")
+* [is-relative](https://www.npmjs.com/package/is-relative): Returns `true` if the path appears to be relative. | [homepage](https://github.com/jonschlinkert/is-relative "Returns `true` if the path appears to be relative.")
+* [parse-filepath](https://www.npmjs.com/package/parse-filepath): Pollyfill for node.js `path.parse`, parses a filepath into an object. | [homepage](https://github.com/jonschlinkert/parse-filepath "Pollyfill for node.js `path.parse`, parses a filepath into an object.")
+* [path-ends-with](https://www.npmjs.com/package/path-ends-with): Return `true` if a file path ends with the given string/suffix. | [homepage](https://github.com/jonschlinkert/path-ends-with "Return `true` if a file path ends with the given string/suffix.")
+* [path-segments](https://www.npmjs.com/package/path-segments): Get n specific segments of a file path, e.g. first 2, last 3, etc. | [homepage](https://github.com/jonschlinkert/path-segments "Get n specific segments of a file path, e.g. first 2, last 3, etc.")
+* [rewrite-ext](https://www.npmjs.com/package/rewrite-ext): Automatically re-write the destination extension of a filepath based on the source extension. e.g… [more](https://github.com/jonschlinkert/rewrite-ext) | [homepage](https://github.com/jonschlinkert/rewrite-ext "Automatically re-write the destination extension of a filepath based on the source extension. e.g  `.coffee` => `.js`. This will only rename the ext, no other path parts are modified.")
+* [unixify](https://www.npmjs.com/package/unixify): Convert Windows file paths to unix paths. | [homepage](https://github.com/jonschlinkert/unixify "Convert Windows file paths to unix paths.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor** | 
+| --- | --- |
+| 31 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [phated](https://github.com/phated) |
+
+### Building docs
+
+_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
+
+To generate the readme, run the following command:
+
+```sh
+$ npm install -g verbose/verb#dev verb-generate-readme && verb
+```
+
+### Running tests
+
+Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
+
+```sh
+$ npm install && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT License](LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.3, on March 29, 2017._
\ No newline at end of file
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/index.js b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/index.js
new file mode 100644
index 00000000..4a4f8ccd
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/index.js
@@ -0,0 +1,19 @@
+/*!
+ * normalize-path <https://github.com/jonschlinkert/normalize-path>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+var removeTrailingSeparator = require('remove-trailing-separator');
+
+module.exports = function normalizePath(str, stripTrailing) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+  str = str.replace(/[\\\/]+/g, '/');
+  if (stripTrailing !== false) {
+    str = removeTrailingSeparator(str);
+  }
+  return str;
+};
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/package.json b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/package.json
new file mode 100644
index 00000000..c16ef9d2
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/node_modules/normalize-path/package.json
@@ -0,0 +1,78 @@
+{
+  "name": "normalize-path",
+  "description": "Normalize file path slashes to be unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes unless disabled.",
+  "version": "2.1.1",
+  "homepage": "https://github.com/jonschlinkert/normalize-path",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Blaine Bublitz <blaine.bublitz@gmail.com> (https://twitter.com/BlaineBublitz)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/normalize-path",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/normalize-path/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "remove-trailing-separator": "^1.0.1"
+  },
+  "devDependencies": {
+    "benchmarked": "^0.1.1",
+    "gulp-format-md": "^0.1.11",
+    "minimist": "^1.2.0",
+    "mocha": "*"
+  },
+  "keywords": [
+    "backslash",
+    "file",
+    "filepath",
+    "fix",
+    "forward",
+    "fp",
+    "fs",
+    "normalize",
+    "path",
+    "slash",
+    "slashes",
+    "trailing",
+    "unix",
+    "urix"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "contains-path",
+        "ends-with",
+        "is-absolute",
+        "is-relative",
+        "parse-filepath",
+        "path-ends-with",
+        "path-segments",
+        "rewrite-ext",
+        "unixify"
+      ],
+      "description": "Other useful libraries for working with paths in node.js:"
+    },
+    "toc": false,
+    "layout": "default",
+    "tasks": [
+      "readme"
+    ],
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "lint": {
+      "reflinks": true
+    }
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/anymatch/package.json b/node_modules/watchpack-chokidar2/node_modules/anymatch/package.json
new file mode 100644
index 00000000..fdbafd76
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/anymatch/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "anymatch",
+  "version": "2.0.0",
+  "description": "Matches strings against configurable strings, globs, regular expressions, and/or functions",
+  "files": [
+    "index.js"
+  ],
+  "author": {
+    "name": "Elan Shanker",
+    "url": "http://github.com/es128"
+  },
+  "license": "ISC",
+  "homepage": "https://github.com/micromatch/anymatch",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/micromatch/anymatch"
+  },
+  "bugs": {
+    "url": "https://github.com/micromatch/anymatch/issues"
+  },
+  "keywords": [
+    "match",
+    "any",
+    "string",
+    "file",
+    "fs",
+    "list",
+    "glob",
+    "regex",
+    "regexp",
+    "regular",
+    "expression",
+    "function"
+  ],
+  "scripts": {
+    "test": "istanbul cover _mocha && cat ./coverage/lcov.info | coveralls"
+  },
+  "dependencies": {
+    "micromatch": "^3.1.4",
+    "normalize-path": "^2.1.1"
+  },
+  "devDependencies": {
+    "coveralls": "^2.7.0",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.0.0"
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/binary-extensions/binary-extensions.json b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/binary-extensions.json
new file mode 100644
index 00000000..725e5320
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/binary-extensions.json
@@ -0,0 +1,252 @@
+[
+	"3dm",
+	"3ds",
+	"3g2",
+	"3gp",
+	"7z",
+	"a",
+	"aac",
+	"adp",
+	"ai",
+	"aif",
+	"aiff",
+	"alz",
+	"ape",
+	"apk",
+	"ar",
+	"arj",
+	"asf",
+	"au",
+	"avi",
+	"bak",
+	"baml",
+	"bh",
+	"bin",
+	"bk",
+	"bmp",
+	"btif",
+	"bz2",
+	"bzip2",
+	"cab",
+	"caf",
+	"cgm",
+	"class",
+	"cmx",
+	"cpio",
+	"cr2",
+	"cur",
+	"dat",
+	"dcm",
+	"deb",
+	"dex",
+	"djvu",
+	"dll",
+	"dmg",
+	"dng",
+	"doc",
+	"docm",
+	"docx",
+	"dot",
+	"dotm",
+	"dra",
+	"DS_Store",
+	"dsk",
+	"dts",
+	"dtshd",
+	"dvb",
+	"dwg",
+	"dxf",
+	"ecelp4800",
+	"ecelp7470",
+	"ecelp9600",
+	"egg",
+	"eol",
+	"eot",
+	"epub",
+	"exe",
+	"f4v",
+	"fbs",
+	"fh",
+	"fla",
+	"flac",
+	"fli",
+	"flv",
+	"fpx",
+	"fst",
+	"fvt",
+	"g3",
+	"gh",
+	"gif",
+	"graffle",
+	"gz",
+	"gzip",
+	"h261",
+	"h263",
+	"h264",
+	"icns",
+	"ico",
+	"ief",
+	"img",
+	"ipa",
+	"iso",
+	"jar",
+	"jpeg",
+	"jpg",
+	"jpgv",
+	"jpm",
+	"jxr",
+	"key",
+	"ktx",
+	"lha",
+	"lib",
+	"lvp",
+	"lz",
+	"lzh",
+	"lzma",
+	"lzo",
+	"m3u",
+	"m4a",
+	"m4v",
+	"mar",
+	"mdi",
+	"mht",
+	"mid",
+	"midi",
+	"mj2",
+	"mka",
+	"mkv",
+	"mmr",
+	"mng",
+	"mobi",
+	"mov",
+	"movie",
+	"mp3",
+	"mp4",
+	"mp4a",
+	"mpeg",
+	"mpg",
+	"mpga",
+	"mxu",
+	"nef",
+	"npx",
+	"numbers",
+	"nupkg",
+	"o",
+	"oga",
+	"ogg",
+	"ogv",
+	"otf",
+	"pages",
+	"pbm",
+	"pcx",
+	"pdb",
+	"pdf",
+	"pea",
+	"pgm",
+	"pic",
+	"png",
+	"pnm",
+	"pot",
+	"potm",
+	"potx",
+	"ppa",
+	"ppam",
+	"ppm",
+	"pps",
+	"ppsm",
+	"ppsx",
+	"ppt",
+	"pptm",
+	"pptx",
+	"psd",
+	"pya",
+	"pyc",
+	"pyo",
+	"pyv",
+	"qt",
+	"rar",
+	"ras",
+	"raw",
+	"resources",
+	"rgb",
+	"rip",
+	"rlc",
+	"rmf",
+	"rmvb",
+	"rtf",
+	"rz",
+	"s3m",
+	"s7z",
+	"scpt",
+	"sgi",
+	"shar",
+	"sil",
+	"sketch",
+	"slk",
+	"smv",
+	"snk",
+	"so",
+	"stl",
+	"suo",
+	"sub",
+	"swf",
+	"tar",
+	"tbz",
+	"tbz2",
+	"tga",
+	"tgz",
+	"thmx",
+	"tif",
+	"tiff",
+	"tlz",
+	"ttc",
+	"ttf",
+	"txz",
+	"udf",
+	"uvh",
+	"uvi",
+	"uvm",
+	"uvp",
+	"uvs",
+	"uvu",
+	"viv",
+	"vob",
+	"war",
+	"wav",
+	"wax",
+	"wbmp",
+	"wdp",
+	"weba",
+	"webm",
+	"webp",
+	"whl",
+	"wim",
+	"wm",
+	"wma",
+	"wmv",
+	"wmx",
+	"woff",
+	"woff2",
+	"wrm",
+	"wvx",
+	"xbm",
+	"xif",
+	"xla",
+	"xlam",
+	"xls",
+	"xlsb",
+	"xlsm",
+	"xlsx",
+	"xlt",
+	"xltm",
+	"xltx",
+	"xm",
+	"xmind",
+	"xpi",
+	"xpm",
+	"xwd",
+	"xz",
+	"z",
+	"zip",
+	"zipx"
+]
diff --git a/node_modules/watchpack-chokidar2/node_modules/binary-extensions/license b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/license
new file mode 100644
index 00000000..e7af2f77
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/binary-extensions/package.json b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/package.json
new file mode 100644
index 00000000..e5007c82
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "binary-extensions",
+  "version": "1.13.1",
+  "description": "List of binary file extensions",
+  "license": "MIT",
+  "repository": "sindresorhus/binary-extensions",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "ava"
+  },
+  "main": "binary-extensions.json",
+  "files": [
+    "binary-extensions.json"
+  ],
+  "keywords": [
+    "bin",
+    "binary",
+    "ext",
+    "extensions",
+    "extension",
+    "file",
+    "json",
+    "list",
+    "array"
+  ],
+  "devDependencies": {
+    "ava": "0.16.0"
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/binary-extensions/readme.md b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/readme.md
new file mode 100644
index 00000000..4c9eca24
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/binary-extensions/readme.md
@@ -0,0 +1,33 @@
+# binary-extensions [![Build Status](https://travis-ci.org/sindresorhus/binary-extensions.svg?branch=master)](https://travis-ci.org/sindresorhus/binary-extensions)
+
+> List of binary file extensions
+
+The list is just a [JSON file](binary-extensions.json) and can be used anywhere.
+
+
+## Install
+
+```
+$ npm install binary-extensions
+```
+
+
+## Usage
+
+```js
+const binaryExtensions = require('binary-extensions');
+
+console.log(binaryExtensions);
+//=> ['3ds', '3g2', …]
+```
+
+
+## Related
+
+- [is-binary-path](https://github.com/sindresorhus/is-binary-path) - Check if a filepath is a binary file
+- [text-extensions](https://github.com/sindresorhus/text-extensions) - List of text file extensions
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com), Paul Miller (https://paulmillr.com)
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/CHANGELOG.md b/node_modules/watchpack-chokidar2/node_modules/chokidar/CHANGELOG.md
new file mode 100644
index 00000000..43a37c8b
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/CHANGELOG.md
@@ -0,0 +1,317 @@
+# Chokidar 2.1.5 (Mar 22, 2019)
+* Revert 2.1.3 atomic writing changes.
+
+# Chokidar 2.1.4 (Mar 22, 2019)
+* Improve TypeScript type definitions for `on` method.
+
+# Chokidar 2.1.3 (Mar 22, 2019)
+* Improve atomic writes handling
+
+# Chokidar 2.1.2 (Feb 18, 2019)
+* Add TypeScript type definitions
+* More fixes for accessTime behavior (#800)
+
+# Chokidar 2.1.1 (Feb 8, 2019)
+* Handle simultaneous change of LastAccessTime and ModifiedTime (#793)
+
+# Chokidar 2.1.0 (Feb 5, 2019)
+* Ignore accessTime updates caused by read operations (#762).
+* Updated dependencies. Removed `lodash.debounce`.
+
+# Chokidar 2.0.4 (Jun 18, 2018)
+* Prevent watcher.close() from crashing (#730).
+
+# Chokidar 2.0.3 (Mar 22, 2018)
+* Fixes an issue that using fd = 0 is not closed in case
+Windows is used and a `EPERM` error is triggered.
+
+# Chokidar 2.0.2 (Feb 14, 2018)
+* Allow semver range updates for upath dependency
+
+# Chokidar 2.0.1 (Feb 8, 2018)
+  * Fix #668 glob issue on Windows when using `ignore` and `cwd`. Thanks @remy!
+  * Fix #546 possible uncaught exception when using `awaitWriteFinish`.
+    Thanks @dsagal!
+
+# Chokidar 2.0.0 (Dec 29, 2017)
+* Breaking: Upgrade globbing dependencies which require globs to be more strict and always use POSIX-style slashes because Windows-style slashes are used as escape sequences
+* Update tests to work with upgraded globbing dependencies
+* Add ability to log FSEvents require error by setting `CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR` env
+* Fix for handling braces in globs
+* Add node 8 & 9 to CI configs
+* Allow node 0.10 failures on Windows
+
+# Chokidar 1.7.0 (May 8, 2017)
+* Add `disableGlobbing` option
+* Add ability to force interval value by setting CHOKIDAR_INTERVAL env
+  variable
+* Fix issue with `.close()` being called before `ready`
+
+# Chokidar 1.6.0 (Jun 22, 2016)
+* Added ability for force `usePolling` mode by setting `CHOKIDAR_USEPOLLING`
+  env variable
+
+# Chokidar 1.5.2 (Jun 7, 2016)
+* Fix missing `addDir` events when using `cwd` and `alwaysStat` options
+* Fix missing `add` events for files within a renamed directory
+
+# Chokidar 1.5.1 (May 20, 2016)
+* To help prevent exhaustion of FSEvents system limitations, consolidate watch
+  instances to the common parent upon detection of separate watch instances on
+  many siblings
+
+# Chokidar 1.5.0 (May 10, 2016)
+* Make debounce delay setting used with `atomic: true` user-customizable
+* Fixes and improvements to `awaitWriteFinish` features
+
+# Chokidar 1.4.3 (Feb 26, 2016)
+* Update async-each dependency to ^1.0.0
+
+# Chokidar 1.4.2 (Dec 30, 2015)
+* Now correctly emitting `stats` with `awaitWriteFinish` option.
+
+# Chokidar 1.4.1 (Dec 9, 2015)
+* The watcher could now be correctly subclassed with ES6 class syntax.
+
+# Chokidar 1.4.0 (Dec 3, 2015)
+* Add `.getWatched()` method, exposing all file system entries being watched
+* Apply `awaitWriteFinish` methodology to `change` events (in addition to `add`)
+* Fix handling of symlinks within glob paths (#293)
+* Fix `addDir` and `unlinkDir` events under globs (#337, #401)
+* Fix issues with `.unwatch()` (#374, #403)
+
+# Chokidar 1.3.0 (Nov 18, 2015)
+* Improve `awaitWriteFinish` option behavior
+* Fix some `cwd` option behavior on Windows
+* `awaitWriteFinish` and `cwd` are now compatible
+* Fix some race conditions.
+* #379: Recreating deleted directory doesn't trigger event
+* When adding a previously-deleted file, emit 'add', not 'change'
+
+# Chokidar 1.2.0 (Oct 1, 2015)
+* Allow nested arrays of paths to be provided to `.watch()` and `.add()`
+* Add `awaitWriteFinish` option
+
+# Chokidar 1.1.0 (Sep 23, 2015)
+* Dependency updates including fsevents@1.0.0, improving installation
+
+# Chokidar 1.0.6 (Sep 18, 2015)
+* Fix issue with `.unwatch()` method and relative paths
+
+# Chokidar 1.0.5 (Jul 20, 2015)
+* Fix regression with regexes/fns using in `ignored`
+
+# Chokidar 1.0.4 (Jul 15, 2015)
+* Fix bug with `ignored` files/globs while `cwd` option is set
+
+# Chokidar 1.0.3 (Jun 4, 2015)
+* Fix race issue with `alwaysStat` option and removed files
+
+# Chokidar 1.0.2 (May 30, 2015)
+* Fix bug with absolute paths and ENAMETOOLONG error
+
+# Chokidar 1.0.1 (Apr 8, 2015)
+* Fix bug with `.close()` method in `fs.watch` mode with `persistent: false`
+  option
+
+# Chokidar 1.0.0 (Apr 7, 2015)
+* Glob support! Use globs in `watch`, `add`, and `unwatch` methods
+* Comprehensive symlink support
+* New `unwatch` method to turn off watching of previously watched paths
+* More flexible `ignored` option allowing regex, function, glob, or array
+  courtesy of [anymatch](https://github.com/es128/anymatch)
+* New `cwd` option to set base dir from which relative paths are derived
+* New `depth` option for limiting recursion
+* New `alwaysStat` option to ensure
+  [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) gets passed
+  with every add/change event
+* New `ready` event emitted when initial fs tree scan is done and watcher is
+  ready for changes
+* New `raw` event exposing data and events from the lower-level watch modules
+* New `followSymlinks` option to impact whether symlinks' targets or the symlink
+  files themselves are watched
+* New `atomic` option for normalizing artifacts from text editors that use
+  atomic write methods
+* Ensured watcher's stability with lots of bugfixes.
+
+# Chokidar 0.12.6 (Jan 6, 2015)
+* Fix bug which breaks `persistent: false` mode when change events occur
+
+# Chokidar 0.12.5 (Dec 17, 2014)
+* Fix bug with matching parent path detection for fsevents instance sharing
+* Fix bug with ignored watch path in nodefs modes
+
+# Chokidar 0.12.4 (Dec 14, 2014)
+* Fix bug in `fs.watch` mode that caused watcher to leak into `cwd`
+* Fix bug preventing ready event when there are symlinks to ignored paths
+
+# Chokidar 0.12.3 (Dec 13, 2014)
+* Fix handling of special files such as named pipes and sockets
+
+# Chokidar 0.12.2 (Dec 12, 2014)
+* Fix recursive symlink handling and some other path resolution problems
+
+# Chokidar 0.12.1 (Dec 10, 2014)
+* Fix a case where file symlinks were not followed properly
+
+# Chokidar 0.12.0 (Dec 8, 2014)
+* Symlink support
+  * Add `followSymlinks` option, which defaults to `true`
+* Change default watch mode on Linux to non-polling `fs.watch`
+* Add `atomic` option to normalize events from editors using atomic writes
+  * Particularly Vim and Sublime
+* Add `raw` event which exposes data from the underlying watch method
+
+# Chokidar 0.11.1 (Nov 19, 2014)
+* Fix a bug where an error is thrown when `fs.watch` instantiation fails
+
+# Chokidar 0.11.0 (Nov 16, 2014)
+* Add a `ready` event, which is emitted after initial file scan completes
+* Fix issue with options keys passed in defined as `undefined`
+* Rename some internal `FSWatcher` properties to indicate they're private
+
+# Chokidar 0.10.9 (Nov 15, 2014)
+* Fix some leftover issues from adding watcher reuse
+
+# Chokidar 0.10.8 (Nov 14, 2014)
+* Remove accidentally committed/published `console.log` statement.
+* Sry 'bout that :crying_cat_face:
+
+# Chokidar 0.10.7 (Nov 14, 2014)
+* Apply watcher reuse methodology to `fs.watch` and `fs.watchFile` as well
+
+# Chokidar 0.10.6 (Nov 12, 2014)
+* More efficient creation/reuse of FSEvents instances to avoid system limits
+* Reduce simultaneous FSEvents instances allowed in a process
+* Handle errors thrown by `fs.watch` upon invocation
+
+# Chokidar 0.10.5 (Nov 6, 2014)
+* Limit number of simultaneous FSEvents instances (fall back to other methods)
+* Prevent some cases of EMFILE errors during initialization
+* Fix ignored files emitting events in some fsevents-mode circumstances
+
+# Chokidar 0.10.4 (Nov 5, 2014)
+* Bump fsevents dependency to ~0.3.1
+  * Should resolve build warnings and `npm rebuild` on non-Macs
+
+# Chokidar 0.10.3 (Oct 28, 2014)
+* Fix removed dir emitting as `unlink` instead of `unlinkDir`
+* Fix issues with file changing to dir or vice versa (gh-165)
+* Fix handling of `ignored` option in fsevents mode
+
+# Chokidar 0.10.2 (Oct 23, 2014)
+* Improve individual file watching
+* Fix fsevents keeping process alive when `persistent: false`
+
+# Chokidar 0.10.1 (19 October 2014)
+* Improve handling of text editor atomic writes
+
+# Chokidar 0.10.0 (Oct 18, 2014)
+* Many stability and consistency improvements
+* Resolve many cases of duplicate or wrong events
+* Correct for fsevents inconsistencies
+* Standardize handling of errors and relative paths
+* Fix issues with watching `./`
+
+# Chokidar 0.9.0 (Sep 25, 2014)
+* Updated fsevents to 0.3
+* Update per-system defaults
+* Fix issues with closing chokidar instance
+* Fix duplicate change events on win32
+
+# Chokidar 0.8.2 (Mar 26, 2014)
+* Fixed npm issues related to fsevents dep.
+* Updated fsevents to 0.2.
+
+# Chokidar 0.8.1 (Dec 16, 2013)
+* Optional deps are now truly optional on windows and
+  linux.
+* Rewritten in JS, again.
+* Fixed some FSEvents-related bugs.
+
+# Chokidar 0.8.0 (Nov 29, 2013)
+* Added ultra-fast low-CPU OS X file watching with FSEvents.
+  It is enabled by default.
+* Added `addDir` and `unlinkDir` events.
+* Polling is now disabled by default on all platforms.
+
+# Chokidar 0.7.1 (Nov 18, 2013)
+* `Watcher#close` now also removes all event listeners.
+
+# Chokidar 0.7.0 (Oct 22, 2013)
+* When `options.ignored` is two-argument function, it will
+  also be called after stating the FS, with `stats` argument.
+* `unlink` is no longer emitted on directories.
+
+# Chokidar 0.6.3 (Aug 12, 2013)
+* Added `usePolling` option (default: `true`).
+  When `false`, chokidar will use `fs.watch` as backend.
+  `fs.watch` is much faster, but not like super reliable.
+
+# Chokidar 0.6.2 (Mar 19, 2013)
+* Fixed watching initially empty directories with `ignoreInitial` option.
+
+# Chokidar 0.6.1 (Mar 19, 2013)
+* Added node.js 0.10 support.
+
+# Chokidar 0.6.0 (Mar 10, 2013)
+* File attributes (stat()) are now passed to `add` and `change` events as second
+  arguments.
+* Changed default polling interval for binary files to 300ms.
+
+# Chokidar 0.5.3 (Jan 13, 2013)
+* Removed emitting of `change` events before `unlink`.
+
+# Chokidar 0.5.2 (Jan 13, 2013)
+* Removed postinstall script to prevent various npm bugs.
+
+# Chokidar 0.5.1 (Jan 6, 2013)
+* When starting to watch non-existing paths, chokidar will no longer throw
+  ENOENT error.
+* Fixed bug with absolute path.
+
+# Chokidar 0.5.0 (Dec 9, 2012)
+* Added a bunch of new options:
+    * `ignoreInitial` that allows to ignore initial `add` events.
+    * `ignorePermissionErrors` that allows to ignore ENOENT etc perm errors.
+    * `interval` and `binaryInterval` that allow to change default
+    fs polling intervals.
+
+# Chokidar 0.4.0 (Jul 26, 2012)
+* Added `all` event that receives two args (event name and path) that combines
+  `add`, `change` and `unlink` events.
+* Switched to `fs.watchFile` on node.js 0.8 on windows.
+* Files are now correctly unwatched after unlink.
+
+# Chokidar 0.3.0 (Jun 24, 2012)
+* `unlink` event are no longer emitted for directories, for consistency with
+  `add`.
+
+# Chokidar 0.2.6 (Jun 8, 2012)
+* Prevented creating of duplicate 'add' events.
+
+# Chokidar 0.2.5 (Jun 8, 2012)
+* Fixed a bug when new files in new directories hadn't been added.
+
+# Chokidar 0.2.4 (Jun 7, 2012)
+* Fixed a bug when unlinked files emitted events after unlink.
+
+# Chokidar 0.2.3 (May 12, 2012)
+* Fixed watching of files on windows.
+
+# Chokidar 0.2.2 (May 4, 2012)
+* Fixed watcher signature.
+
+# Chokidar 0.2.1 (May 4, 2012)
+* Fixed invalid API bug when using `watch()`.
+
+# Chokidar 0.2.0 (May 4, 2012)
+* Rewritten in js.
+
+# Chokidar 0.1.1 (Apr 26, 2012)
+* Changed api to `chokidar.watch()`.
+* Fixed compilation on windows.
+
+# Chokidar 0.1.0 (Apr 20, 2012)
+* Initial release, extracted from
+  [Brunch](https://github.com/brunch/brunch/blob/9847a065aea300da99bd0753f90354cde9de1261/src/helpers.coffee#L66)
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/README.md b/node_modules/watchpack-chokidar2/node_modules/chokidar/README.md
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--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/README.md
@@ -0,0 +1,294 @@
+# Chokidar [![Weekly downloads](https://img.shields.io/npm/dw/chokidar.svg)](https://github.com/paulmillr/chokidar) [![Yearly downloads](https://img.shields.io/npm/dy/chokidar.svg)](https://github.com/paulmillr/chokidar) [![Mac/Linux Build Status](https://img.shields.io/travis/paulmillr/chokidar/master.svg?label=Mac%20OSX%20%26%20Linux)](https://travis-ci.org/paulmillr/chokidar) [![Windows Build status](https://img.shields.io/appveyor/ci/paulmillr/chokidar/master.svg?label=Windows)](https://ci.appveyor.com/project/paulmillr/chokidar/branch/master) [![Coverage Status](https://coveralls.io/repos/paulmillr/chokidar/badge.svg)](https://coveralls.io/r/paulmillr/chokidar)
+
+> A neat wrapper around node.js fs.watch / fs.watchFile / FSEvents.
+
+[![NPM](https://nodei.co/npm/chokidar.png)](https://www.npmjs.com/package/chokidar)
+
+## Why?
+Node.js `fs.watch`:
+
+* Doesn't report filenames on MacOS.
+* Doesn't report events at all when using editors like Sublime on MacOS.
+* Often reports events twice.
+* Emits most changes as `rename`.
+* Has [a lot of other issues](https://github.com/nodejs/node/search?q=fs.watch&type=Issues)
+* Does not provide an easy way to recursively watch file trees.
+
+Node.js `fs.watchFile`:
+
+* Almost as bad at event handling.
+* Also does not provide any recursive watching.
+* Results in high CPU utilization.
+
+Chokidar resolves these problems.
+
+Initially made for **[Brunch](http://brunch.io)** (an ultra-swift web app build tool), it is now used in
+[gulp](https://github.com/gulpjs/gulp/),
+[karma](http://karma-runner.github.io),
+[PM2](https://github.com/Unitech/PM2),
+[browserify](http://browserify.org/),
+[webpack](http://webpack.github.io/),
+[BrowserSync](http://www.browsersync.io/),
+[Microsoft's Visual Studio Code](https://github.com/microsoft/vscode),
+and [many others](https://www.npmjs.org/browse/depended/chokidar/).
+It has proven itself in production environments.
+
+## How?
+Chokidar does still rely on the Node.js core `fs` module, but when using
+`fs.watch` and `fs.watchFile` for watching, it normalizes the events it
+receives, often checking for truth by getting file stats and/or dir contents.
+
+On MacOS, chokidar by default uses a native extension exposing the Darwin
+`FSEvents` API. This provides very efficient recursive watching compared with
+implementations like `kqueue` available on most \*nix platforms. Chokidar still
+does have to do some work to normalize the events received that way as well.
+
+On other platforms, the `fs.watch`-based implementation is the default, which
+avoids polling and keeps CPU usage down. Be advised that chokidar will initiate
+watchers recursively for everything within scope of the paths that have been
+specified, so be judicious about not wasting system resources by watching much
+more than needed.
+
+## Getting started
+Install with npm:
+
+```sh
+npm install chokidar
+```
+
+Then `require` and use it in your code:
+
+```javascript
+var chokidar = require('chokidar');
+
+// One-liner for current directory, ignores .dotfiles
+chokidar.watch('.', {ignored: /(^|[\/\\])\../}).on('all', (event, path) => {
+  console.log(event, path);
+});
+```
+
+```javascript
+// Example of a more typical implementation structure:
+
+// Initialize watcher.
+var watcher = chokidar.watch('file, dir, glob, or array', {
+  ignored: /(^|[\/\\])\../,
+  persistent: true
+});
+
+// Something to use when events are received.
+var log = console.log.bind(console);
+// Add event listeners.
+watcher
+  .on('add', path => log(`File ${path} has been added`))
+  .on('change', path => log(`File ${path} has been changed`))
+  .on('unlink', path => log(`File ${path} has been removed`));
+
+// More possible events.
+watcher
+  .on('addDir', path => log(`Directory ${path} has been added`))
+  .on('unlinkDir', path => log(`Directory ${path} has been removed`))
+  .on('error', error => log(`Watcher error: ${error}`))
+  .on('ready', () => log('Initial scan complete. Ready for changes'))
+  .on('raw', (event, path, details) => {
+    log('Raw event info:', event, path, details);
+  });
+
+// 'add', 'addDir' and 'change' events also receive stat() results as second
+// argument when available: http://nodejs.org/api/fs.html#fs_class_fs_stats
+watcher.on('change', (path, stats) => {
+  if (stats) console.log(`File ${path} changed size to ${stats.size}`);
+});
+
+// Watch new files.
+watcher.add('new-file');
+watcher.add(['new-file-2', 'new-file-3', '**/other-file*']);
+
+// Get list of actual paths being watched on the filesystem
+var watchedPaths = watcher.getWatched();
+
+// Un-watch some files.
+watcher.unwatch('new-file*');
+
+// Stop watching.
+watcher.close();
+
+// Full list of options. See below for descriptions. (do not use this example)
+chokidar.watch('file', {
+  persistent: true,
+
+  ignored: '*.txt',
+  ignoreInitial: false,
+  followSymlinks: true,
+  cwd: '.',
+  disableGlobbing: false,
+
+  usePolling: true,
+  interval: 100,
+  binaryInterval: 300,
+  alwaysStat: false,
+  depth: 99,
+  awaitWriteFinish: {
+    stabilityThreshold: 2000,
+    pollInterval: 100
+  },
+
+  ignorePermissionErrors: false,
+  atomic: true // or a custom 'atomicity delay', in milliseconds (default 100)
+});
+
+```
+
+## API
+
+`chokidar.watch(paths, [options])`
+
+* `paths` (string or array of strings). Paths to files, dirs to be watched
+recursively, or glob patterns.
+* `options` (object) Options object as defined below:
+
+#### Persistence
+
+* `persistent` (default: `true`). Indicates whether the process
+should continue to run as long as files are being watched. If set to
+`false` when using `fsevents` to watch, no more events will be emitted
+after `ready`, even if the process continues to run.
+
+#### Path filtering
+
+* `ignored` ([anymatch](https://github.com/es128/anymatch)-compatible definition)
+Defines files/paths to be ignored. The whole relative or absolute path is
+tested, not just filename. If a function with two arguments is provided, it
+gets called twice per path - once with a single argument (the path), second
+time with two arguments (the path and the
+[`fs.Stats`](http://nodejs.org/api/fs.html#fs_class_fs_stats)
+object of that path).
+* `ignoreInitial` (default: `false`). If set to `false` then `add`/`addDir` events are also emitted for matching paths while
+instantiating the watching as chokidar discovers these file paths (before the `ready` event).
+* `followSymlinks` (default: `true`). When `false`, only the
+symlinks themselves will be watched for changes instead of following
+the link references and bubbling events through the link's path.
+* `cwd` (no default). The base directory from which watch `paths` are to be
+derived. Paths emitted with events will be relative to this.
+* `disableGlobbing` (default: `false`). If set to `true` then the strings passed to `.watch()` and `.add()` are treated as
+literal path names, even if they look like globs.
+
+#### Performance
+
+* `usePolling` (default: `false`).
+Whether to use fs.watchFile (backed by polling), or fs.watch. If polling
+leads to high CPU utilization, consider setting this to `false`. It is
+typically necessary to **set this to `true` to successfully watch files over
+a network**, and it may be necessary to successfully watch files in other
+non-standard situations. Setting to `true` explicitly on MacOS overrides the
+`useFsEvents` default. You may also set the CHOKIDAR_USEPOLLING env variable
+to true (1) or false (0) in order to override this option.
+* _Polling-specific settings_ (effective when `usePolling: true`)
+  * `interval` (default: `100`). Interval of file system polling. You may also
+    set the CHOKIDAR_INTERVAL env variable to override this option.
+  * `binaryInterval` (default: `300`). Interval of file system
+  polling for binary files.
+  ([see list of binary extensions](https://github.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
+* `useFsEvents` (default: `true` on MacOS). Whether to use the
+`fsevents` watching interface if available. When set to `true` explicitly
+and `fsevents` is available this supercedes the `usePolling` setting. When
+set to `false` on MacOS, `usePolling: true` becomes the default.
+* `alwaysStat` (default: `false`). If relying upon the
+[`fs.Stats`](http://nodejs.org/api/fs.html#fs_class_fs_stats)
+object that may get passed with `add`, `addDir`, and `change` events, set
+this to `true` to ensure it is provided even in cases where it wasn't
+already available from the underlying watch events.
+* `depth` (default: `undefined`). If set, limits how many levels of
+subdirectories will be traversed.
+* `awaitWriteFinish` (default: `false`).
+By default, the `add` event will fire when a file first appears on disk, before
+the entire file has been written. Furthermore, in some cases some `change`
+events will be emitted while the file is being written. In some cases,
+especially when watching for large files there will be a need to wait for the
+write operation to finish before responding to a file creation or modification.
+Setting `awaitWriteFinish` to `true` (or a truthy value) will poll file size,
+holding its `add` and `change` events until the size does not change for a
+configurable amount of time. The appropriate duration setting is heavily
+dependent on the OS and hardware. For accurate detection this parameter should
+be relatively high, making file watching much less responsive.
+Use with caution.
+  * *`options.awaitWriteFinish` can be set to an object in order to adjust
+  timing params:*
+  * `awaitWriteFinish.stabilityThreshold` (default: 2000). Amount of time in
+  milliseconds for a file size to remain constant before emitting its event.
+  * `awaitWriteFinish.pollInterval` (default: 100). File size polling interval.
+
+#### Errors
+* `ignorePermissionErrors` (default: `false`). Indicates whether to watch files
+that don't have read permissions if possible. If watching fails due to `EPERM`
+or `EACCES` with this set to `true`, the errors will be suppressed silently.
+* `atomic` (default: `true` if `useFsEvents` and `usePolling` are `false`).
+Automatically filters out artifacts that occur when using editors that use
+"atomic writes" instead of writing directly to the source file. If a file is
+re-added within 100 ms of being deleted, Chokidar emits a `change` event
+rather than `unlink` then `add`. If the default of 100 ms does not work well
+for you, you can override it by setting `atomic` to a custom value, in
+milliseconds.
+
+### Methods & Events
+
+`chokidar.watch()` produces an instance of `FSWatcher`. Methods of `FSWatcher`:
+
+* `.add(path / paths)`: Add files, directories, or glob patterns for tracking.
+Takes an array of strings or just one string.
+* `.on(event, callback)`: Listen for an FS event.
+Available events: `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `ready`,
+`raw`, `error`.
+Additionally `all` is available which gets emitted with the underlying event
+name and path for every event other than `ready`, `raw`, and `error`.
+* `.unwatch(path / paths)`: Stop watching files, directories, or glob patterns.
+Takes an array of strings or just one string.
+* `.close()`: Removes all listeners from watched files.
+* `.getWatched()`: Returns an object representing all the paths on the file
+system being watched by this `FSWatcher` instance. The object's keys are all the
+directories (using absolute paths unless the `cwd` option was used), and the
+values are arrays of the names of the items contained in each directory.
+
+## CLI
+
+If you need a CLI interface for your file watching, check out
+[chokidar-cli](https://github.com/kimmobrunfeldt/chokidar-cli), allowing you to
+execute a command on each change, or get a stdio stream of change events.
+
+## Install Troubleshooting
+
+* `npm WARN optional dep failed, continuing fsevents@n.n.n`
+  * This message is normal part of how `npm` handles optional dependencies and is
+    not indicative of a problem. Even if accompanied by other related error messages,
+    Chokidar should function properly.
+
+* `ERR! stack Error: Python executable "python" is v3.4.1, which is not supported by gyp.`
+  * You should be able to resolve this by installing python 2.7 and running:
+    `npm config set python python2.7`
+
+* `gyp ERR! stack Error: not found: make`
+  * On Mac, install the XCode command-line tools
+
+## License
+
+The MIT License (MIT)
+
+Copyright (c) 2012-2019 Paul Miller (https://paulmillr.com) & Elan Shanker
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/index.js b/node_modules/watchpack-chokidar2/node_modules/chokidar/index.js
new file mode 100644
index 00000000..c5257ac3
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/index.js
@@ -0,0 +1,747 @@
+'use strict';
+var EventEmitter = require('events').EventEmitter;
+var fs = require('fs');
+var sysPath = require('path');
+var asyncEach = require('async-each');
+var anymatch = require('anymatch');
+var globParent = require('glob-parent');
+var isGlob = require('is-glob');
+var isAbsolute = require('path-is-absolute');
+var inherits = require('inherits');
+var braces = require('braces');
+var normalizePath = require('normalize-path');
+var upath = require('upath');
+
+var NodeFsHandler = require('./lib/nodefs-handler');
+var FsEventsHandler = require('./lib/fsevents-handler');
+
+var arrify = function(value) {
+  if (value == null) return [];
+  return Array.isArray(value) ? value : [value];
+};
+
+var flatten = function(list, result) {
+  if (result == null) result = [];
+  list.forEach(function(item) {
+    if (Array.isArray(item)) {
+      flatten(item, result);
+    } else {
+      result.push(item);
+    }
+  });
+  return result;
+};
+
+// Little isString util for use in Array#every.
+var isString = function(thing) {
+  return typeof thing === 'string';
+};
+
+// Public: Main class.
+// Watches files & directories for changes.
+//
+// * _opts - object, chokidar options hash
+//
+// Emitted events:
+// `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error`
+//
+// Examples
+//
+//  var watcher = new FSWatcher()
+//    .add(directories)
+//    .on('add', path => console.log('File', path, 'was added'))
+//    .on('change', path => console.log('File', path, 'was changed'))
+//    .on('unlink', path => console.log('File', path, 'was removed'))
+//    .on('all', (event, path) => console.log(path, ' emitted ', event))
+//
+function FSWatcher(_opts) {
+  EventEmitter.call(this);
+  var opts = {};
+  // in case _opts that is passed in is a frozen object
+  if (_opts) for (var opt in _opts) opts[opt] = _opts[opt];
+  this._watched = Object.create(null);
+  this._closers = Object.create(null);
+  this._ignoredPaths = Object.create(null);
+  Object.defineProperty(this, '_globIgnored', {
+    get: function() { return Object.keys(this._ignoredPaths); }
+  });
+  this.closed = false;
+  this._throttled = Object.create(null);
+  this._symlinkPaths = Object.create(null);
+
+  function undef(key) {
+    return opts[key] === undefined;
+  }
+
+  // Set up default options.
+  if (undef('persistent')) opts.persistent = true;
+  if (undef('ignoreInitial')) opts.ignoreInitial = false;
+  if (undef('ignorePermissionErrors')) opts.ignorePermissionErrors = false;
+  if (undef('interval')) opts.interval = 100;
+  if (undef('binaryInterval')) opts.binaryInterval = 300;
+  if (undef('disableGlobbing')) opts.disableGlobbing = false;
+  this.enableBinaryInterval = opts.binaryInterval !== opts.interval;
+
+  // Enable fsevents on OS X when polling isn't explicitly enabled.
+  if (undef('useFsEvents')) opts.useFsEvents = !opts.usePolling;
+
+  // If we can't use fsevents, ensure the options reflect it's disabled.
+  if (!FsEventsHandler.canUse()) opts.useFsEvents = false;
+
+  // Use polling on Mac if not using fsevents.
+  // Other platforms use non-polling fs.watch.
+  if (undef('usePolling') && !opts.useFsEvents) {
+    opts.usePolling = process.platform === 'darwin';
+  }
+
+  // Global override (useful for end-developers that need to force polling for all
+  // instances of chokidar, regardless of usage/dependency depth)
+  var envPoll = process.env.CHOKIDAR_USEPOLLING;
+  if (envPoll !== undefined) {
+    var envLower = envPoll.toLowerCase();
+
+    if (envLower === 'false' || envLower === '0') {
+      opts.usePolling = false;
+    } else if (envLower === 'true' || envLower === '1') {
+      opts.usePolling = true;
+    } else {
+      opts.usePolling = !!envLower
+    }
+  }
+  var envInterval = process.env.CHOKIDAR_INTERVAL;
+  if (envInterval) {
+    opts.interval = parseInt(envInterval);
+  }
+
+  // Editor atomic write normalization enabled by default with fs.watch
+  if (undef('atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents;
+  if (opts.atomic) this._pendingUnlinks = Object.create(null);
+
+  if (undef('followSymlinks')) opts.followSymlinks = true;
+
+  if (undef('awaitWriteFinish')) opts.awaitWriteFinish = false;
+  if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {};
+  var awf = opts.awaitWriteFinish;
+  if (awf) {
+    if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000;
+    if (!awf.pollInterval) awf.pollInterval = 100;
+
+    this._pendingWrites = Object.create(null);
+  }
+  if (opts.ignored) opts.ignored = arrify(opts.ignored);
+
+  this._isntIgnored = function(path, stat) {
+    return !this._isIgnored(path, stat);
+  }.bind(this);
+
+  var readyCalls = 0;
+  this._emitReady = function() {
+    if (++readyCalls >= this._readyCount) {
+      this._emitReady = Function.prototype;
+      this._readyEmitted = true;
+      // use process.nextTick to allow time for listener to be bound
+      process.nextTick(this.emit.bind(this, 'ready'));
+    }
+  }.bind(this);
+
+  this.options = opts;
+
+  // You’re frozen when your heart’s not open.
+  Object.freeze(opts);
+}
+
+inherits(FSWatcher, EventEmitter);
+
+// Common helpers
+// --------------
+
+// Private method: Normalize and emit events
+//
+// * event     - string, type of event
+// * path      - string, file or directory path
+// * val[1..3] - arguments to be passed with event
+//
+// Returns the error if defined, otherwise the value of the
+// FSWatcher instance's `closed` flag
+FSWatcher.prototype._emit = function(event, path, val1, val2, val3) {
+  if (this.options.cwd) path = sysPath.relative(this.options.cwd, path);
+  var args = [event, path];
+  if (val3 !== undefined) args.push(val1, val2, val3);
+  else if (val2 !== undefined) args.push(val1, val2);
+  else if (val1 !== undefined) args.push(val1);
+
+  var awf = this.options.awaitWriteFinish;
+  if (awf && this._pendingWrites[path]) {
+    this._pendingWrites[path].lastChange = new Date();
+    return this;
+  }
+
+  if (this.options.atomic) {
+    if (event === 'unlink') {
+      this._pendingUnlinks[path] = args;
+      setTimeout(function() {
+        Object.keys(this._pendingUnlinks).forEach(function(path) {
+          this.emit.apply(this, this._pendingUnlinks[path]);
+          this.emit.apply(this, ['all'].concat(this._pendingUnlinks[path]));
+          delete this._pendingUnlinks[path];
+        }.bind(this));
+      }.bind(this), typeof this.options.atomic === "number"
+        ? this.options.atomic
+        : 100);
+      return this;
+    } else if (event === 'add' && this._pendingUnlinks[path]) {
+      event = args[0] = 'change';
+      delete this._pendingUnlinks[path];
+    }
+  }
+
+  var emitEvent = function() {
+    this.emit.apply(this, args);
+    if (event !== 'error') this.emit.apply(this, ['all'].concat(args));
+  }.bind(this);
+
+  if (awf && (event === 'add' || event === 'change') && this._readyEmitted) {
+    var awfEmit = function(err, stats) {
+      if (err) {
+        event = args[0] = 'error';
+        args[1] = err;
+        emitEvent();
+      } else if (stats) {
+        // if stats doesn't exist the file must have been deleted
+        if (args.length > 2) {
+          args[2] = stats;
+        } else {
+          args.push(stats);
+        }
+        emitEvent();
+      }
+    };
+
+    this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit);
+    return this;
+  }
+
+  if (event === 'change') {
+    if (!this._throttle('change', path, 50)) return this;
+  }
+
+  if (
+    this.options.alwaysStat && val1 === undefined &&
+    (event === 'add' || event === 'addDir' || event === 'change')
+  ) {
+    var fullPath = this.options.cwd ? sysPath.join(this.options.cwd, path) : path;
+    fs.stat(fullPath, function(error, stats) {
+      // Suppress event when fs.stat fails, to avoid sending undefined 'stat'
+      if (error || !stats) return;
+
+      args.push(stats);
+      emitEvent();
+    });
+  } else {
+    emitEvent();
+  }
+
+  return this;
+};
+
+// Private method: Common handler for errors
+//
+// * error  - object, Error instance
+//
+// Returns the error if defined, otherwise the value of the
+// FSWatcher instance's `closed` flag
+FSWatcher.prototype._handleError = function(error) {
+  var code = error && error.code;
+  var ipe = this.options.ignorePermissionErrors;
+  if (error &&
+    code !== 'ENOENT' &&
+    code !== 'ENOTDIR' &&
+    (!ipe || (code !== 'EPERM' && code !== 'EACCES'))
+  ) this.emit('error', error);
+  return error || this.closed;
+};
+
+// Private method: Helper utility for throttling
+//
+// * action  - string, type of action being throttled
+// * path    - string, path being acted upon
+// * timeout - int, duration of time to suppress duplicate actions
+//
+// Returns throttle tracking object or false if action should be suppressed
+FSWatcher.prototype._throttle = function(action, path, timeout) {
+  if (!(action in this._throttled)) {
+    this._throttled[action] = Object.create(null);
+  }
+  var throttled = this._throttled[action];
+  if (path in throttled) {
+    throttled[path].count++;
+    return false;
+  }
+  function clear() {
+    var count = throttled[path] ? throttled[path].count : 0;
+    delete throttled[path];
+    clearTimeout(timeoutObject);
+    return count;
+  }
+  var timeoutObject = setTimeout(clear, timeout);
+  throttled[path] = {timeoutObject: timeoutObject, clear: clear, count: 0};
+  return throttled[path];
+};
+
+// Private method: Awaits write operation to finish
+//
+// * path    - string, path being acted upon
+// * threshold - int, time in milliseconds a file size must be fixed before
+//                    acknowledging write operation is finished
+// * awfEmit - function, to be called when ready for event to be emitted
+// Polls a newly created file for size variations. When files size does not
+// change for 'threshold' milliseconds calls callback.
+FSWatcher.prototype._awaitWriteFinish = function(path, threshold, event, awfEmit) {
+  var timeoutHandler;
+
+  var fullPath = path;
+  if (this.options.cwd && !isAbsolute(path)) {
+    fullPath = sysPath.join(this.options.cwd, path);
+  }
+
+  var now = new Date();
+
+  var awaitWriteFinish = (function (prevStat) {
+    fs.stat(fullPath, function(err, curStat) {
+      if (err || !(path in this._pendingWrites)) {
+        if (err && err.code !== 'ENOENT') awfEmit(err);
+        return;
+      }
+
+      var now = new Date();
+
+      if (prevStat && curStat.size != prevStat.size) {
+        this._pendingWrites[path].lastChange = now;
+      }
+
+      if (now - this._pendingWrites[path].lastChange >= threshold) {
+        delete this._pendingWrites[path];
+        awfEmit(null, curStat);
+      } else {
+        timeoutHandler = setTimeout(
+          awaitWriteFinish.bind(this, curStat),
+          this.options.awaitWriteFinish.pollInterval
+        );
+      }
+    }.bind(this));
+  }.bind(this));
+
+  if (!(path in this._pendingWrites)) {
+    this._pendingWrites[path] = {
+      lastChange: now,
+      cancelWait: function() {
+        delete this._pendingWrites[path];
+        clearTimeout(timeoutHandler);
+        return event;
+      }.bind(this)
+    };
+    timeoutHandler = setTimeout(
+      awaitWriteFinish.bind(this),
+      this.options.awaitWriteFinish.pollInterval
+    );
+  }
+};
+
+// Private method: Determines whether user has asked to ignore this path
+//
+// * path  - string, path to file or directory
+// * stats - object, result of fs.stat
+//
+// Returns boolean
+var dotRe = /\..*\.(sw[px])$|\~$|\.subl.*\.tmp/;
+FSWatcher.prototype._isIgnored = function(path, stats) {
+  if (this.options.atomic && dotRe.test(path)) return true;
+
+  if (!this._userIgnored) {
+    var cwd = this.options.cwd;
+    var ignored = this.options.ignored;
+    if (cwd && ignored) {
+      ignored = ignored.map(function (path) {
+        if (typeof path !== 'string') return path;
+        return upath.normalize(isAbsolute(path) ? path : sysPath.join(cwd, path));
+      });
+    }
+    var paths = arrify(ignored)
+      .filter(function(path) {
+        return typeof path === 'string' && !isGlob(path);
+      }).map(function(path) {
+        return path + '/**';
+      });
+    this._userIgnored = anymatch(
+      this._globIgnored.concat(ignored).concat(paths)
+    );
+  }
+
+  return this._userIgnored([path, stats]);
+};
+
+// Private method: Provides a set of common helpers and properties relating to
+// symlink and glob handling
+//
+// * path - string, file, directory, or glob pattern being watched
+// * depth - int, at any depth > 0, this isn't a glob
+//
+// Returns object containing helpers for this path
+var replacerRe = /^\.[\/\\]/;
+FSWatcher.prototype._getWatchHelpers = function(path, depth) {
+  path = path.replace(replacerRe, '');
+  var watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path);
+  var fullWatchPath = sysPath.resolve(watchPath);
+  var hasGlob = watchPath !== path;
+  var globFilter = hasGlob ? anymatch(path) : false;
+  var follow = this.options.followSymlinks;
+  var globSymlink = hasGlob && follow ? null : false;
+
+  var checkGlobSymlink = function(entry) {
+    // only need to resolve once
+    // first entry should always have entry.parentDir === ''
+    if (globSymlink == null) {
+      globSymlink = entry.fullParentDir === fullWatchPath ? false : {
+        realPath: entry.fullParentDir,
+        linkPath: fullWatchPath
+      };
+    }
+
+    if (globSymlink) {
+      return entry.fullPath.replace(globSymlink.realPath, globSymlink.linkPath);
+    }
+
+    return entry.fullPath;
+  };
+
+  var entryPath = function(entry) {
+    return sysPath.join(watchPath,
+      sysPath.relative(watchPath, checkGlobSymlink(entry))
+    );
+  };
+
+  var filterPath = function(entry) {
+    if (entry.stat && entry.stat.isSymbolicLink()) return filterDir(entry);
+    var resolvedPath = entryPath(entry);
+    return (!hasGlob || globFilter(resolvedPath)) &&
+      this._isntIgnored(resolvedPath, entry.stat) &&
+      (this.options.ignorePermissionErrors ||
+        this._hasReadPermissions(entry.stat));
+  }.bind(this);
+
+  var getDirParts = function(path) {
+    if (!hasGlob) return false;
+    var parts = [];
+    var expandedPath = braces.expand(path);
+    expandedPath.forEach(function(path) {
+      parts.push(sysPath.relative(watchPath, path).split(/[\/\\]/));
+    });
+    return parts;
+  };
+
+  var dirParts = getDirParts(path);
+  if (dirParts) {
+    dirParts.forEach(function(parts) {
+      if (parts.length > 1) parts.pop();
+    });
+  }
+  var unmatchedGlob;
+
+  var filterDir = function(entry) {
+    if (hasGlob) {
+      var entryParts = getDirParts(checkGlobSymlink(entry));
+      var globstar = false;
+      unmatchedGlob = !dirParts.some(function(parts) {
+        return parts.every(function(part, i) {
+          if (part === '**') globstar = true;
+          return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i]);
+        });
+      });
+    }
+    return !unmatchedGlob && this._isntIgnored(entryPath(entry), entry.stat);
+  }.bind(this);
+
+  return {
+    followSymlinks: follow,
+    statMethod: follow ? 'stat' : 'lstat',
+    path: path,
+    watchPath: watchPath,
+    entryPath: entryPath,
+    hasGlob: hasGlob,
+    globFilter: globFilter,
+    filterPath: filterPath,
+    filterDir: filterDir
+  };
+};
+
+// Directory helpers
+// -----------------
+
+// Private method: Provides directory tracking objects
+//
+// * directory - string, path of the directory
+//
+// Returns the directory's tracking object
+FSWatcher.prototype._getWatchedDir = function(directory) {
+  var dir = sysPath.resolve(directory);
+  var watcherRemove = this._remove.bind(this);
+  if (!(dir in this._watched)) this._watched[dir] = {
+    _items: Object.create(null),
+    add: function(item) {
+      if (item !== '.' && item !== '..') this._items[item] = true;
+    },
+    remove: function(item) {
+      delete this._items[item];
+      if (!this.children().length) {
+        fs.readdir(dir, function(err) {
+          if (err) watcherRemove(sysPath.dirname(dir), sysPath.basename(dir));
+        });
+      }
+    },
+    has: function(item) {return item in this._items;},
+    children: function() {return Object.keys(this._items);}
+  };
+  return this._watched[dir];
+};
+
+// File helpers
+// ------------
+
+// Private method: Check for read permissions
+// Based on this answer on SO: http://stackoverflow.com/a/11781404/1358405
+//
+// * stats - object, result of fs.stat
+//
+// Returns boolean
+FSWatcher.prototype._hasReadPermissions = function(stats) {
+  return Boolean(4 & parseInt(((stats && stats.mode) & 0x1ff).toString(8)[0], 10));
+};
+
+// Private method: Handles emitting unlink events for
+// files and directories, and via recursion, for
+// files and directories within directories that are unlinked
+//
+// * directory - string, directory within which the following item is located
+// * item      - string, base path of item/directory
+//
+// Returns nothing
+FSWatcher.prototype._remove = function(directory, item) {
+  // if what is being deleted is a directory, get that directory's paths
+  // for recursive deleting and cleaning of watched object
+  // if it is not a directory, nestedDirectoryChildren will be empty array
+  var path = sysPath.join(directory, item);
+  var fullPath = sysPath.resolve(path);
+  var isDirectory = this._watched[path] || this._watched[fullPath];
+
+  // prevent duplicate handling in case of arriving here nearly simultaneously
+  // via multiple paths (such as _handleFile and _handleDir)
+  if (!this._throttle('remove', path, 100)) return;
+
+  // if the only watched file is removed, watch for its return
+  var watchedDirs = Object.keys(this._watched);
+  if (!isDirectory && !this.options.useFsEvents && watchedDirs.length === 1) {
+    this.add(directory, item, true);
+  }
+
+  // This will create a new entry in the watched object in either case
+  // so we got to do the directory check beforehand
+  var nestedDirectoryChildren = this._getWatchedDir(path).children();
+
+  // Recursively remove children directories / files.
+  nestedDirectoryChildren.forEach(function(nestedItem) {
+    this._remove(path, nestedItem);
+  }, this);
+
+  // Check if item was on the watched list and remove it
+  var parent = this._getWatchedDir(directory);
+  var wasTracked = parent.has(item);
+  parent.remove(item);
+
+  // If we wait for this file to be fully written, cancel the wait.
+  var relPath = path;
+  if (this.options.cwd) relPath = sysPath.relative(this.options.cwd, path);
+  if (this.options.awaitWriteFinish && this._pendingWrites[relPath]) {
+    var event = this._pendingWrites[relPath].cancelWait();
+    if (event === 'add') return;
+  }
+
+  // The Entry will either be a directory that just got removed
+  // or a bogus entry to a file, in either case we have to remove it
+  delete this._watched[path];
+  delete this._watched[fullPath];
+  var eventName = isDirectory ? 'unlinkDir' : 'unlink';
+  if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path);
+
+  // Avoid conflicts if we later create another file with the same name
+  if (!this.options.useFsEvents) {
+    this._closePath(path);
+  }
+};
+
+FSWatcher.prototype._closePath = function(path) {
+  if (!this._closers[path]) return;
+  this._closers[path].forEach(function(closer) {
+    closer();
+  });
+  delete this._closers[path];
+  this._getWatchedDir(sysPath.dirname(path)).remove(sysPath.basename(path));
+}
+
+// Public method: Adds paths to be watched on an existing FSWatcher instance
+
+// * paths     - string or array of strings, file/directory paths and/or globs
+// * _origAdd  - private boolean, for handling non-existent paths to be watched
+// * _internal - private boolean, indicates a non-user add
+
+// Returns an instance of FSWatcher for chaining.
+FSWatcher.prototype.add = function(paths, _origAdd, _internal) {
+  var disableGlobbing = this.options.disableGlobbing;
+  var cwd = this.options.cwd;
+  this.closed = false;
+  paths = flatten(arrify(paths));
+
+  if (!paths.every(isString)) {
+    throw new TypeError('Non-string provided as watch path: ' + paths);
+  }
+
+  if (cwd) paths = paths.map(function(path) {
+    var absPath;
+    if (isAbsolute(path)) {
+      absPath = path;
+    } else if (path[0] === '!') {
+      absPath = '!' + sysPath.join(cwd, path.substring(1));
+    } else {
+      absPath = sysPath.join(cwd, path);
+    }
+
+    // Check `path` instead of `absPath` because the cwd portion can't be a glob
+    if (disableGlobbing || !isGlob(path)) {
+      return absPath;
+    } else {
+      return normalizePath(absPath);
+    }
+  });
+
+  // set aside negated glob strings
+  paths = paths.filter(function(path) {
+    if (path[0] === '!') {
+      this._ignoredPaths[path.substring(1)] = true;
+    } else {
+      // if a path is being added that was previously ignored, stop ignoring it
+      delete this._ignoredPaths[path];
+      delete this._ignoredPaths[path + '/**'];
+
+      // reset the cached userIgnored anymatch fn
+      // to make ignoredPaths changes effective
+      this._userIgnored = null;
+
+      return true;
+    }
+  }, this);
+
+  if (this.options.useFsEvents && FsEventsHandler.canUse()) {
+    if (!this._readyCount) this._readyCount = paths.length;
+    if (this.options.persistent) this._readyCount *= 2;
+    paths.forEach(this._addToFsEvents, this);
+  } else {
+    if (!this._readyCount) this._readyCount = 0;
+    this._readyCount += paths.length;
+    asyncEach(paths, function(path, next) {
+      this._addToNodeFs(path, !_internal, 0, 0, _origAdd, function(err, res) {
+        if (res) this._emitReady();
+        next(err, res);
+      }.bind(this));
+    }.bind(this), function(error, results) {
+      results.forEach(function(item) {
+        if (!item || this.closed) return;
+        this.add(sysPath.dirname(item), sysPath.basename(_origAdd || item));
+      }, this);
+    }.bind(this));
+  }
+
+  return this;
+};
+
+// Public method: Close watchers or start ignoring events from specified paths.
+
+// * paths     - string or array of strings, file/directory paths and/or globs
+
+// Returns instance of FSWatcher for chaining.
+FSWatcher.prototype.unwatch = function(paths) {
+  if (this.closed) return this;
+  paths = flatten(arrify(paths));
+
+  paths.forEach(function(path) {
+    // convert to absolute path unless relative path already matches
+    if (!isAbsolute(path) && !this._closers[path]) {
+      if (this.options.cwd) path = sysPath.join(this.options.cwd, path);
+      path = sysPath.resolve(path);
+    }
+
+    this._closePath(path);
+
+    this._ignoredPaths[path] = true;
+    if (path in this._watched) {
+      this._ignoredPaths[path + '/**'] = true;
+    }
+
+    // reset the cached userIgnored anymatch fn
+    // to make ignoredPaths changes effective
+    this._userIgnored = null;
+  }, this);
+
+  return this;
+};
+
+// Public method: Close watchers and remove all listeners from watched paths.
+
+// Returns instance of FSWatcher for chaining.
+FSWatcher.prototype.close = function() {
+  if (this.closed) return this;
+
+  this.closed = true;
+  Object.keys(this._closers).forEach(function(watchPath) {
+    this._closers[watchPath].forEach(function(closer) {
+      closer();
+    });
+    delete this._closers[watchPath];
+  }, this);
+  this._watched = Object.create(null);
+
+  this.removeAllListeners();
+  return this;
+};
+
+// Public method: Expose list of watched paths
+
+// Returns object w/ dir paths as keys and arrays of contained paths as values.
+FSWatcher.prototype.getWatched = function() {
+  var watchList = {};
+  Object.keys(this._watched).forEach(function(dir) {
+    var key = this.options.cwd ? sysPath.relative(this.options.cwd, dir) : dir;
+    watchList[key || '.'] = Object.keys(this._watched[dir]._items).sort();
+  }.bind(this));
+  return watchList;
+};
+
+// Attach watch handler prototype methods
+function importHandler(handler) {
+  Object.keys(handler.prototype).forEach(function(method) {
+    FSWatcher.prototype[method] = handler.prototype[method];
+  });
+}
+importHandler(NodeFsHandler);
+if (FsEventsHandler.canUse()) importHandler(FsEventsHandler);
+
+// Export FSWatcher class
+exports.FSWatcher = FSWatcher;
+
+// Public function: Instantiates watcher with paths to be tracked.
+
+// * paths     - string or array of strings, file/directory paths and/or globs
+// * options   - object, chokidar options
+
+// Returns an instance of FSWatcher for chaining.
+exports.watch = function(paths, options) {
+  return new FSWatcher(options).add(paths);
+};
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/fsevents-handler.js b/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/fsevents-handler.js
new file mode 100644
index 00000000..c85ba600
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/fsevents-handler.js
@@ -0,0 +1,412 @@
+'use strict';
+
+var fs = require('fs');
+var sysPath = require('path');
+var readdirp = require('readdirp');
+var fsevents;
+try { fsevents = require('fsevents'); } catch (error) {
+  if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error)
+}
+
+// fsevents instance helper functions
+
+// object to hold per-process fsevents instances
+// (may be shared across chokidar FSWatcher instances)
+var FSEventsWatchers = Object.create(null);
+
+// Threshold of duplicate path prefixes at which to start
+// consolidating going forward
+var consolidateThreshhold = 10;
+
+// Private function: Instantiates the fsevents interface
+
+// * path       - string, path to be watched
+// * callback   - function, called when fsevents is bound and ready
+
+// Returns new fsevents instance
+function createFSEventsInstance(path, callback) {
+  return (new fsevents(path)).on('fsevent', callback).start();
+}
+
+// Private function: Instantiates the fsevents interface or binds listeners
+// to an existing one covering the same file tree
+
+// * path       - string, path to be watched
+// * realPath   - string, real path (in case of symlinks)
+// * listener   - function, called when fsevents emits events
+// * rawEmitter - function, passes data to listeners of the 'raw' event
+
+// Returns close function
+function setFSEventsListener(path, realPath, listener, rawEmitter) {
+  var watchPath = sysPath.extname(path) ? sysPath.dirname(path) : path;
+  var watchContainer;
+  var parentPath = sysPath.dirname(watchPath);
+
+  // If we've accumulated a substantial number of paths that
+  // could have been consolidated by watching one directory
+  // above the current one, create a watcher on the parent
+  // path instead, so that we do consolidate going forward.
+  if (couldConsolidate(parentPath)) {
+    watchPath = parentPath;
+  }
+
+  var resolvedPath = sysPath.resolve(path);
+  var hasSymlink = resolvedPath !== realPath;
+  function filteredListener(fullPath, flags, info) {
+    if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath);
+    if (
+      fullPath === resolvedPath ||
+      !fullPath.indexOf(resolvedPath + sysPath.sep)
+    ) listener(fullPath, flags, info);
+  }
+
+  // check if there is already a watcher on a parent path
+  // modifies `watchPath` to the parent path when it finds a match
+  function watchedParent() {
+    return Object.keys(FSEventsWatchers).some(function(watchedPath) {
+      // condition is met when indexOf returns 0
+      if (!realPath.indexOf(sysPath.resolve(watchedPath) + sysPath.sep)) {
+        watchPath = watchedPath;
+        return true;
+      }
+    });
+  }
+
+  if (watchPath in FSEventsWatchers || watchedParent()) {
+    watchContainer = FSEventsWatchers[watchPath];
+    watchContainer.listeners.push(filteredListener);
+  } else {
+    watchContainer = FSEventsWatchers[watchPath] = {
+      listeners: [filteredListener],
+      rawEmitters: [rawEmitter],
+      watcher: createFSEventsInstance(watchPath, function(fullPath, flags) {
+        var info = fsevents.getInfo(fullPath, flags);
+        watchContainer.listeners.forEach(function(listener) {
+          listener(fullPath, flags, info);
+        });
+        watchContainer.rawEmitters.forEach(function(emitter) {
+          emitter(info.event, fullPath, info);
+        });
+      })
+    };
+  }
+  var listenerIndex = watchContainer.listeners.length - 1;
+
+  // removes this instance's listeners and closes the underlying fsevents
+  // instance if there are no more listeners left
+  return function close() {
+    delete watchContainer.listeners[listenerIndex];
+    delete watchContainer.rawEmitters[listenerIndex];
+    if (!Object.keys(watchContainer.listeners).length) {
+      watchContainer.watcher.stop();
+      delete FSEventsWatchers[watchPath];
+    }
+  };
+}
+
+// Decide whether or not we should start a new higher-level
+// parent watcher
+function couldConsolidate(path) {
+  var keys = Object.keys(FSEventsWatchers);
+  var count = 0;
+
+  for (var i = 0, len = keys.length; i < len; ++i) {
+    var watchPath = keys[i];
+    if (watchPath.indexOf(path) === 0) {
+      count++;
+      if (count >= consolidateThreshhold) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
+function isConstructor(obj) {
+  return obj.prototype !== undefined && obj.prototype.constructor !== undefined;
+}
+
+// returns boolean indicating whether fsevents can be used
+function canUse() {
+  return fsevents && Object.keys(FSEventsWatchers).length < 128 && isConstructor(fsevents);
+}
+
+// determines subdirectory traversal levels from root to path
+function depth(path, root) {
+  var i = 0;
+  while (!path.indexOf(root) && (path = sysPath.dirname(path)) !== root) i++;
+  return i;
+}
+
+// fake constructor for attaching fsevents-specific prototype methods that
+// will be copied to FSWatcher's prototype
+function FsEventsHandler() {}
+
+// Private method: Handle symlinks encountered during directory scan
+
+// * watchPath  - string, file/dir path to be watched with fsevents
+// * realPath   - string, real path (in case of symlinks)
+// * transform  - function, path transformer
+// * globFilter - function, path filter in case a glob pattern was provided
+
+// Returns close function for the watcher instance
+FsEventsHandler.prototype._watchWithFsEvents =
+function(watchPath, realPath, transform, globFilter) {
+  if (this._isIgnored(watchPath)) return;
+  var watchCallback = function(fullPath, flags, info) {
+    if (
+      this.options.depth !== undefined &&
+      depth(fullPath, realPath) > this.options.depth
+    ) return;
+    var path = transform(sysPath.join(
+      watchPath, sysPath.relative(watchPath, fullPath)
+    ));
+    if (globFilter && !globFilter(path)) return;
+    // ensure directories are tracked
+    var parent = sysPath.dirname(path);
+    var item = sysPath.basename(path);
+    var watchedDir = this._getWatchedDir(
+      info.type === 'directory' ? path : parent
+    );
+    var checkIgnored = function(stats) {
+      if (this._isIgnored(path, stats)) {
+        this._ignoredPaths[path] = true;
+        if (stats && stats.isDirectory()) {
+          this._ignoredPaths[path + '/**/*'] = true;
+        }
+        return true;
+      } else {
+        delete this._ignoredPaths[path];
+        delete this._ignoredPaths[path + '/**/*'];
+      }
+    }.bind(this);
+
+    var handleEvent = function(event) {
+      if (checkIgnored()) return;
+
+      if (event === 'unlink') {
+        // suppress unlink events on never before seen files
+        if (info.type === 'directory' || watchedDir.has(item)) {
+          this._remove(parent, item);
+        }
+      } else {
+        if (event === 'add') {
+          // track new directories
+          if (info.type === 'directory') this._getWatchedDir(path);
+
+          if (info.type === 'symlink' && this.options.followSymlinks) {
+            // push symlinks back to the top of the stack to get handled
+            var curDepth = this.options.depth === undefined ?
+              undefined : depth(fullPath, realPath) + 1;
+            return this._addToFsEvents(path, false, true, curDepth);
+          } else {
+            // track new paths
+            // (other than symlinks being followed, which will be tracked soon)
+            this._getWatchedDir(parent).add(item);
+          }
+        }
+        var eventName = info.type === 'directory' ? event + 'Dir' : event;
+        this._emit(eventName, path);
+        if (eventName === 'addDir') this._addToFsEvents(path, false, true);
+      }
+    }.bind(this);
+
+    function addOrChange() {
+      handleEvent(watchedDir.has(item) ? 'change' : 'add');
+    }
+    function checkFd() {
+      fs.open(path, 'r', function(error, fd) {
+        if (error) {
+          error.code !== 'EACCES' ?
+            handleEvent('unlink') : addOrChange();
+        } else {
+          fs.close(fd, function(err) {
+            err && err.code !== 'EACCES' ?
+              handleEvent('unlink') : addOrChange();
+          });
+        }
+      });
+    }
+    // correct for wrong events emitted
+    var wrongEventFlags = [
+      69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912
+    ];
+    if (wrongEventFlags.indexOf(flags) !== -1 || info.event === 'unknown') {
+      if (typeof this.options.ignored === 'function') {
+        fs.stat(path, function(error, stats) {
+          if (checkIgnored(stats)) return;
+          stats ? addOrChange() : handleEvent('unlink');
+        });
+      } else {
+        checkFd();
+      }
+    } else {
+      switch (info.event) {
+      case 'created':
+      case 'modified':
+        return addOrChange();
+      case 'deleted':
+      case 'moved':
+        return checkFd();
+      }
+    }
+  }.bind(this);
+
+  var closer = setFSEventsListener(
+    watchPath,
+    realPath,
+    watchCallback,
+    this.emit.bind(this, 'raw')
+  );
+
+  this._emitReady();
+  return closer;
+};
+
+// Private method: Handle symlinks encountered during directory scan
+
+// * linkPath   - string, path to symlink
+// * fullPath   - string, absolute path to the symlink
+// * transform  - function, pre-existing path transformer
+// * curDepth   - int, level of subdirectories traversed to where symlink is
+
+// Returns nothing
+FsEventsHandler.prototype._handleFsEventsSymlink =
+function(linkPath, fullPath, transform, curDepth) {
+  // don't follow the same symlink more than once
+  if (this._symlinkPaths[fullPath]) return;
+  else this._symlinkPaths[fullPath] = true;
+
+  this._readyCount++;
+
+  fs.realpath(linkPath, function(error, linkTarget) {
+    if (this._handleError(error) || this._isIgnored(linkTarget)) {
+      return this._emitReady();
+    }
+
+    this._readyCount++;
+
+    // add the linkTarget for watching with a wrapper for transform
+    // that causes emitted paths to incorporate the link's path
+    this._addToFsEvents(linkTarget || linkPath, function(path) {
+      var dotSlash = '.' + sysPath.sep;
+      var aliasedPath = linkPath;
+      if (linkTarget && linkTarget !== dotSlash) {
+        aliasedPath = path.replace(linkTarget, linkPath);
+      } else if (path !== dotSlash) {
+        aliasedPath = sysPath.join(linkPath, path);
+      }
+      return transform(aliasedPath);
+    }, false, curDepth);
+  }.bind(this));
+};
+
+// Private method: Handle added path with fsevents
+
+// * path       - string, file/directory path or glob pattern
+// * transform  - function, converts working path to what the user expects
+// * forceAdd   - boolean, ensure add is emitted
+// * priorDepth - int, level of subdirectories already traversed
+
+// Returns nothing
+FsEventsHandler.prototype._addToFsEvents =
+function(path, transform, forceAdd, priorDepth) {
+
+  // applies transform if provided, otherwise returns same value
+  var processPath = typeof transform === 'function' ?
+    transform : function(val) { return val; };
+
+  var emitAdd = function(newPath, stats) {
+    var pp = processPath(newPath);
+    var isDir = stats.isDirectory();
+    var dirObj = this._getWatchedDir(sysPath.dirname(pp));
+    var base = sysPath.basename(pp);
+
+    // ensure empty dirs get tracked
+    if (isDir) this._getWatchedDir(pp);
+
+    if (dirObj.has(base)) return;
+    dirObj.add(base);
+
+    if (!this.options.ignoreInitial || forceAdd === true) {
+      this._emit(isDir ? 'addDir' : 'add', pp, stats);
+    }
+  }.bind(this);
+
+  var wh = this._getWatchHelpers(path);
+
+  // evaluate what is at the path we're being asked to watch
+  fs[wh.statMethod](wh.watchPath, function(error, stats) {
+    if (this._handleError(error) || this._isIgnored(wh.watchPath, stats)) {
+      this._emitReady();
+      return this._emitReady();
+    }
+
+    if (stats.isDirectory()) {
+      // emit addDir unless this is a glob parent
+      if (!wh.globFilter) emitAdd(processPath(path), stats);
+
+      // don't recurse further if it would exceed depth setting
+      if (priorDepth && priorDepth > this.options.depth) return;
+
+      // scan the contents of the dir
+      readdirp({
+        root: wh.watchPath,
+        entryType: 'all',
+        fileFilter: wh.filterPath,
+        directoryFilter: wh.filterDir,
+        lstat: true,
+        depth: this.options.depth - (priorDepth || 0)
+      }).on('data', function(entry) {
+        // need to check filterPath on dirs b/c filterDir is less restrictive
+        if (entry.stat.isDirectory() && !wh.filterPath(entry)) return;
+
+        var joinedPath = sysPath.join(wh.watchPath, entry.path);
+        var fullPath = entry.fullPath;
+
+        if (wh.followSymlinks && entry.stat.isSymbolicLink()) {
+          // preserve the current depth here since it can't be derived from
+          // real paths past the symlink
+          var curDepth = this.options.depth === undefined ?
+            undefined : depth(joinedPath, sysPath.resolve(wh.watchPath)) + 1;
+
+          this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth);
+        } else {
+          emitAdd(joinedPath, entry.stat);
+        }
+      }.bind(this)).on('error', function() {
+        // Ignore readdirp errors
+      }).on('end', this._emitReady);
+    } else {
+      emitAdd(wh.watchPath, stats);
+      this._emitReady();
+    }
+  }.bind(this));
+
+  if (this.options.persistent && forceAdd !== true) {
+    var initWatch = function(error, realPath) {
+      if (this.closed) return;
+      var closer = this._watchWithFsEvents(
+        wh.watchPath,
+        sysPath.resolve(realPath || wh.watchPath),
+        processPath,
+        wh.globFilter
+      );
+      if (closer) {
+        this._closers[path] = this._closers[path] || [];
+        this._closers[path].push(closer);
+      }
+    }.bind(this);
+
+    if (typeof transform === 'function') {
+      // realpath has already been resolved
+      initWatch();
+    } else {
+      fs.realpath(wh.watchPath, initWatch);
+    }
+  }
+};
+
+module.exports = FsEventsHandler;
+module.exports.canUse = canUse;
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/nodefs-handler.js b/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/nodefs-handler.js
new file mode 100644
index 00000000..4f49ac23
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/lib/nodefs-handler.js
@@ -0,0 +1,506 @@
+'use strict';
+
+var fs = require('fs');
+var sysPath = require('path');
+var readdirp = require('readdirp');
+var isBinaryPath = require('is-binary-path');
+
+// fs.watch helpers
+
+// object to hold per-process fs.watch instances
+// (may be shared across chokidar FSWatcher instances)
+var FsWatchInstances = Object.create(null);
+
+
+// Private function: Instantiates the fs.watch interface
+
+// * path       - string, path to be watched
+// * options    - object, options to be passed to fs.watch
+// * listener   - function, main event handler
+// * errHandler - function, handler which emits info about errors
+// * emitRaw    - function, handler which emits raw event data
+
+// Returns new fsevents instance
+function createFsWatchInstance(path, options, listener, errHandler, emitRaw) {
+  var handleEvent = function(rawEvent, evPath) {
+    listener(path);
+    emitRaw(rawEvent, evPath, {watchedPath: path});
+
+    // emit based on events occurring for files from a directory's watcher in
+    // case the file's watcher misses it (and rely on throttling to de-dupe)
+    if (evPath && path !== evPath) {
+      fsWatchBroadcast(
+        sysPath.resolve(path, evPath), 'listeners', sysPath.join(path, evPath)
+      );
+    }
+  };
+  try {
+    return fs.watch(path, options, handleEvent);
+  } catch (error) {
+    errHandler(error);
+  }
+}
+
+// Private function: Helper for passing fs.watch event data to a
+// collection of listeners
+
+// * fullPath   - string, absolute path bound to the fs.watch instance
+// * type       - string, listener type
+// * val[1..3]  - arguments to be passed to listeners
+
+// Returns nothing
+function fsWatchBroadcast(fullPath, type, val1, val2, val3) {
+  if (!FsWatchInstances[fullPath]) return;
+  FsWatchInstances[fullPath][type].forEach(function(listener) {
+    listener(val1, val2, val3);
+  });
+}
+
+// Private function: Instantiates the fs.watch interface or binds listeners
+// to an existing one covering the same file system entry
+
+// * path       - string, path to be watched
+// * fullPath   - string, absolute path
+// * options    - object, options to be passed to fs.watch
+// * handlers   - object, container for event listener functions
+
+// Returns close function
+function setFsWatchListener(path, fullPath, options, handlers) {
+  var listener = handlers.listener;
+  var errHandler = handlers.errHandler;
+  var rawEmitter = handlers.rawEmitter;
+  var container = FsWatchInstances[fullPath];
+  var watcher;
+  if (!options.persistent) {
+    watcher = createFsWatchInstance(
+      path, options, listener, errHandler, rawEmitter
+    );
+    return watcher.close.bind(watcher);
+  }
+  if (!container) {
+    watcher = createFsWatchInstance(
+      path,
+      options,
+      fsWatchBroadcast.bind(null, fullPath, 'listeners'),
+      errHandler, // no need to use broadcast here
+      fsWatchBroadcast.bind(null, fullPath, 'rawEmitters')
+    );
+    if (!watcher) return;
+    var broadcastErr = fsWatchBroadcast.bind(null, fullPath, 'errHandlers');
+    watcher.on('error', function(error) {
+      container.watcherUnusable = true; // documented since Node 10.4.1
+      // Workaround for https://github.com/joyent/node/issues/4337
+      if (process.platform === 'win32' && error.code === 'EPERM') {
+        fs.open(path, 'r', function(err, fd) {
+          if (!err) fs.close(fd, function(err) {
+            if (!err) broadcastErr(error);
+          });
+        });
+      } else {
+        broadcastErr(error);
+      }
+    });
+    container = FsWatchInstances[fullPath] = {
+      listeners: [listener],
+      errHandlers: [errHandler],
+      rawEmitters: [rawEmitter],
+      watcher: watcher
+    };
+  } else {
+    container.listeners.push(listener);
+    container.errHandlers.push(errHandler);
+    container.rawEmitters.push(rawEmitter);
+  }
+  var listenerIndex = container.listeners.length - 1;
+
+  // removes this instance's listeners and closes the underlying fs.watch
+  // instance if there are no more listeners left
+  return function close() {
+    delete container.listeners[listenerIndex];
+    delete container.errHandlers[listenerIndex];
+    delete container.rawEmitters[listenerIndex];
+    if (!Object.keys(container.listeners).length) {
+      if (!container.watcherUnusable) { // check to protect against issue #730
+        container.watcher.close();
+      }
+      delete FsWatchInstances[fullPath];
+    }
+  };
+}
+
+// fs.watchFile helpers
+
+// object to hold per-process fs.watchFile instances
+// (may be shared across chokidar FSWatcher instances)
+var FsWatchFileInstances = Object.create(null);
+
+// Private function: Instantiates the fs.watchFile interface or binds listeners
+// to an existing one covering the same file system entry
+
+// * path       - string, path to be watched
+// * fullPath   - string, absolute path
+// * options    - object, options to be passed to fs.watchFile
+// * handlers   - object, container for event listener functions
+
+// Returns close function
+function setFsWatchFileListener(path, fullPath, options, handlers) {
+  var listener = handlers.listener;
+  var rawEmitter = handlers.rawEmitter;
+  var container = FsWatchFileInstances[fullPath];
+  var listeners = [];
+  var rawEmitters = [];
+  if (
+    container && (
+      container.options.persistent < options.persistent ||
+      container.options.interval > options.interval
+    )
+  ) {
+    // "Upgrade" the watcher to persistence or a quicker interval.
+    // This creates some unlikely edge case issues if the user mixes
+    // settings in a very weird way, but solving for those cases
+    // doesn't seem worthwhile for the added complexity.
+    listeners = container.listeners;
+    rawEmitters = container.rawEmitters;
+    fs.unwatchFile(fullPath);
+    container = false;
+  }
+  if (!container) {
+    listeners.push(listener);
+    rawEmitters.push(rawEmitter);
+    container = FsWatchFileInstances[fullPath] = {
+      listeners: listeners,
+      rawEmitters: rawEmitters,
+      options: options,
+      watcher: fs.watchFile(fullPath, options, function(curr, prev) {
+        container.rawEmitters.forEach(function(rawEmitter) {
+          rawEmitter('change', fullPath, {curr: curr, prev: prev});
+        });
+        var currmtime = curr.mtime.getTime();
+        if (curr.size !== prev.size || currmtime > prev.mtime.getTime() || currmtime === 0) {
+          container.listeners.forEach(function(listener) {
+            listener(path, curr);
+          });
+        }
+      })
+    };
+  } else {
+    container.listeners.push(listener);
+    container.rawEmitters.push(rawEmitter);
+  }
+  var listenerIndex = container.listeners.length - 1;
+
+  // removes this instance's listeners and closes the underlying fs.watchFile
+  // instance if there are no more listeners left
+  return function close() {
+    delete container.listeners[listenerIndex];
+    delete container.rawEmitters[listenerIndex];
+    if (!Object.keys(container.listeners).length) {
+      fs.unwatchFile(fullPath);
+      delete FsWatchFileInstances[fullPath];
+    }
+  };
+}
+
+// fake constructor for attaching nodefs-specific prototype methods that
+// will be copied to FSWatcher's prototype
+function NodeFsHandler() {}
+
+// Private method: Watch file for changes with fs.watchFile or fs.watch.
+
+// * path     - string, path to file or directory.
+// * listener - function, to be executed on fs change.
+
+// Returns close function for the watcher instance
+NodeFsHandler.prototype._watchWithNodeFs =
+function(path, listener) {
+  var directory = sysPath.dirname(path);
+  var basename = sysPath.basename(path);
+  var parent = this._getWatchedDir(directory);
+  parent.add(basename);
+  var absolutePath = sysPath.resolve(path);
+  var options = {persistent: this.options.persistent};
+  if (!listener) listener = Function.prototype; // empty function
+
+  var closer;
+  if (this.options.usePolling) {
+    options.interval = this.enableBinaryInterval && isBinaryPath(basename) ?
+      this.options.binaryInterval : this.options.interval;
+    closer = setFsWatchFileListener(path, absolutePath, options, {
+      listener: listener,
+      rawEmitter: this.emit.bind(this, 'raw')
+    });
+  } else {
+    closer = setFsWatchListener(path, absolutePath, options, {
+      listener: listener,
+      errHandler: this._handleError.bind(this),
+      rawEmitter: this.emit.bind(this, 'raw')
+    });
+  }
+  return closer;
+};
+
+// Private method: Watch a file and emit add event if warranted
+
+// * file       - string, the file's path
+// * stats      - object, result of fs.stat
+// * initialAdd - boolean, was the file added at watch instantiation?
+// * callback   - function, called when done processing as a newly seen file
+
+// Returns close function for the watcher instance
+NodeFsHandler.prototype._handleFile =
+function(file, stats, initialAdd, callback) {
+  var dirname = sysPath.dirname(file);
+  var basename = sysPath.basename(file);
+  var parent = this._getWatchedDir(dirname);
+  // stats is always present
+  var prevStats = stats;
+
+  // if the file is already being watched, do nothing
+  if (parent.has(basename)) return callback();
+
+  // kick off the watcher
+  var closer = this._watchWithNodeFs(file, function(path, newStats) {
+    if (!this._throttle('watch', file, 5)) return;
+    if (!newStats || newStats && newStats.mtime.getTime() === 0) {
+      fs.stat(file, function(error, newStats) {
+        // Fix issues where mtime is null but file is still present
+        if (error) {
+          this._remove(dirname, basename);
+        } else {
+          // Check that change event was not fired because of changed only accessTime.
+          var at = newStats.atime.getTime();
+          var mt = newStats.mtime.getTime();
+          if (!at || at <= mt || mt !== prevStats.mtime.getTime()) {
+            this._emit('change', file, newStats);
+          }
+          prevStats = newStats;
+        }
+      }.bind(this));
+    // add is about to be emitted if file not already tracked in parent
+    } else if (parent.has(basename)) {
+      // Check that change event was not fired because of changed only accessTime.
+      var at = newStats.atime.getTime();
+      var mt = newStats.mtime.getTime();
+      if (!at || at <= mt ||  mt !== prevStats.mtime.getTime()) {
+        this._emit('change', file, newStats);
+      }
+      prevStats = newStats;
+    }
+  }.bind(this));
+
+  // emit an add event if we're supposed to
+  if (!(initialAdd && this.options.ignoreInitial)) {
+    if (!this._throttle('add', file, 0)) return;
+    this._emit('add', file, stats);
+  }
+
+  if (callback) callback();
+  return closer;
+};
+
+// Private method: Handle symlinks encountered while reading a dir
+
+// * entry      - object, entry object returned by readdirp
+// * directory  - string, path of the directory being read
+// * path       - string, path of this item
+// * item       - string, basename of this item
+
+// Returns true if no more processing is needed for this entry.
+NodeFsHandler.prototype._handleSymlink =
+function(entry, directory, path, item) {
+  var full = entry.fullPath;
+  var dir = this._getWatchedDir(directory);
+
+  if (!this.options.followSymlinks) {
+    // watch symlink directly (don't follow) and detect changes
+    this._readyCount++;
+    fs.realpath(path, function(error, linkPath) {
+      if (dir.has(item)) {
+        if (this._symlinkPaths[full] !== linkPath) {
+          this._symlinkPaths[full] = linkPath;
+          this._emit('change', path, entry.stat);
+        }
+      } else {
+        dir.add(item);
+        this._symlinkPaths[full] = linkPath;
+        this._emit('add', path, entry.stat);
+      }
+      this._emitReady();
+    }.bind(this));
+    return true;
+  }
+
+  // don't follow the same symlink more than once
+  if (this._symlinkPaths[full]) return true;
+  else this._symlinkPaths[full] = true;
+};
+
+// Private method: Read directory to add / remove files from `@watched` list
+// and re-read it on change.
+
+// * dir        - string, fs path.
+// * stats      - object, result of fs.stat
+// * initialAdd - boolean, was the file added at watch instantiation?
+// * depth      - int, depth relative to user-supplied path
+// * target     - string, child path actually targeted for watch
+// * wh         - object, common watch helpers for this path
+// * callback   - function, called when dir scan is complete
+
+// Returns close function for the watcher instance
+NodeFsHandler.prototype._handleDir =
+function(dir, stats, initialAdd, depth, target, wh, callback) {
+  var parentDir = this._getWatchedDir(sysPath.dirname(dir));
+  var tracked = parentDir.has(sysPath.basename(dir));
+  if (!(initialAdd && this.options.ignoreInitial) && !target && !tracked) {
+    if (!wh.hasGlob || wh.globFilter(dir)) this._emit('addDir', dir, stats);
+  }
+
+  // ensure dir is tracked (harmless if redundant)
+  parentDir.add(sysPath.basename(dir));
+  this._getWatchedDir(dir);
+
+  var read = function(directory, initialAdd, done) {
+    // Normalize the directory name on Windows
+    directory = sysPath.join(directory, '');
+
+    if (!wh.hasGlob) {
+      var throttler = this._throttle('readdir', directory, 1000);
+      if (!throttler) return;
+    }
+
+    var previous = this._getWatchedDir(wh.path);
+    var current = [];
+
+    readdirp({
+      root: directory,
+      entryType: 'all',
+      fileFilter: wh.filterPath,
+      directoryFilter: wh.filterDir,
+      depth: 0,
+      lstat: true
+    }).on('data', function(entry) {
+      var item = entry.path;
+      var path = sysPath.join(directory, item);
+      current.push(item);
+
+      if (entry.stat.isSymbolicLink() &&
+        this._handleSymlink(entry, directory, path, item)) return;
+
+      // Files that present in current directory snapshot
+      // but absent in previous are added to watch list and
+      // emit `add` event.
+      if (item === target || !target && !previous.has(item)) {
+        this._readyCount++;
+
+        // ensure relativeness of path is preserved in case of watcher reuse
+        path = sysPath.join(dir, sysPath.relative(dir, path));
+
+        this._addToNodeFs(path, initialAdd, wh, depth + 1);
+      }
+    }.bind(this)).on('end', function() {
+      var wasThrottled = throttler ? throttler.clear() : false;
+      if (done) done();
+
+      // Files that absent in current directory snapshot
+      // but present in previous emit `remove` event
+      // and are removed from @watched[directory].
+      previous.children().filter(function(item) {
+        return item !== directory &&
+          current.indexOf(item) === -1 &&
+          // in case of intersecting globs;
+          // a path may have been filtered out of this readdir, but
+          // shouldn't be removed because it matches a different glob
+          (!wh.hasGlob || wh.filterPath({
+            fullPath: sysPath.resolve(directory, item)
+          }));
+      }).forEach(function(item) {
+        this._remove(directory, item);
+      }, this);
+
+      // one more time for any missed in case changes came in extremely quickly
+      if (wasThrottled) read(directory, false);
+    }.bind(this)).on('error', this._handleError.bind(this));
+  }.bind(this);
+
+  var closer;
+
+  if (this.options.depth == null || depth <= this.options.depth) {
+    if (!target) read(dir, initialAdd, callback);
+    closer = this._watchWithNodeFs(dir, function(dirPath, stats) {
+      // if current directory is removed, do nothing
+      if (stats && stats.mtime.getTime() === 0) return;
+
+      read(dirPath, false);
+    });
+  } else {
+    callback();
+  }
+  return closer;
+};
+
+// Private method: Handle added file, directory, or glob pattern.
+// Delegates call to _handleFile / _handleDir after checks.
+
+// * path       - string, path to file or directory.
+// * initialAdd - boolean, was the file added at watch instantiation?
+// * depth      - int, depth relative to user-supplied path
+// * target     - string, child path actually targeted for watch
+// * callback   - function, indicates whether the path was found or not
+
+// Returns nothing
+NodeFsHandler.prototype._addToNodeFs =
+function(path, initialAdd, priorWh, depth, target, callback) {
+  if (!callback) callback = Function.prototype;
+  var ready = this._emitReady;
+  if (this._isIgnored(path) || this.closed) {
+    ready();
+    return callback(null, false);
+  }
+
+  var wh = this._getWatchHelpers(path, depth);
+  if (!wh.hasGlob && priorWh) {
+    wh.hasGlob = priorWh.hasGlob;
+    wh.globFilter = priorWh.globFilter;
+    wh.filterPath = priorWh.filterPath;
+    wh.filterDir = priorWh.filterDir;
+  }
+
+  // evaluate what is at the path we're being asked to watch
+  fs[wh.statMethod](wh.watchPath, function(error, stats) {
+    if (this._handleError(error)) return callback(null, path);
+    if (this._isIgnored(wh.watchPath, stats)) {
+      ready();
+      return callback(null, false);
+    }
+
+    var initDir = function(dir, target) {
+      return this._handleDir(dir, stats, initialAdd, depth, target, wh, ready);
+    }.bind(this);
+
+    var closer;
+    if (stats.isDirectory()) {
+      closer = initDir(wh.watchPath, target);
+    } else if (stats.isSymbolicLink()) {
+      var parent = sysPath.dirname(wh.watchPath);
+      this._getWatchedDir(parent).add(wh.watchPath);
+      this._emit('add', wh.watchPath, stats);
+      closer = initDir(parent, path);
+
+      // preserve this symlink's target path
+      fs.realpath(path, function(error, targetPath) {
+        this._symlinkPaths[sysPath.resolve(path)] = targetPath;
+        ready();
+      }.bind(this));
+    } else {
+      closer = this._handleFile(wh.watchPath, stats, initialAdd, ready);
+    }
+
+    if (closer) {
+      this._closers[path] = this._closers[path] || [];
+      this._closers[path].push(closer);
+    }
+    callback(null, false);
+  }.bind(this));
+};
+
+module.exports = NodeFsHandler;
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/package.json b/node_modules/watchpack-chokidar2/node_modules/chokidar/package.json
new file mode 100644
index 00000000..566311ad
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "chokidar",
+  "description": "A neat wrapper around node.js fs.watch / fs.watchFile / fsevents.",
+  "version": "2.1.8",
+  "keywords": [
+    "fs",
+    "watch",
+    "watchFile",
+    "watcher",
+    "watching",
+    "file",
+    "fsevents"
+  ],
+  "types": "./types/index.d.ts",
+  "homepage": "https://github.com/paulmillr/chokidar",
+  "author": "Paul Miller (https://paulmillr.com), Elan Shanker",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/paulmillr/chokidar.git"
+  },
+  "bugs": {
+    "url": "https://github.com/paulmillr/chokidar/issues"
+  },
+  "license": "MIT",
+  "scripts": {
+    "test": "nyc mocha --exit",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls",
+    "dtslint": "dtslint types"
+  },
+  "files": [
+    "index.js",
+    "lib/",
+    "types/index.d.ts"
+  ],
+  "dependencies": {
+    "anymatch": "^2.0.0",
+    "async-each": "^1.0.1",
+    "braces": "^2.3.2",
+    "glob-parent": "^3.1.0",
+    "inherits": "^2.0.3",
+    "is-binary-path": "^1.0.0",
+    "is-glob": "^4.0.0",
+    "normalize-path": "^3.0.0",
+    "path-is-absolute": "^1.0.0",
+    "readdirp": "^2.2.1",
+    "upath": "^1.1.1"
+  },
+  "optionalDependencies": {
+    "fsevents": "^1.2.7"
+  },
+  "devDependencies": {
+    "@types/node": "^11.9.4",
+    "chai": "^3.2.0",
+    "coveralls": "^3.0.1",
+    "dtslint": "0.4.1",
+    "graceful-fs": "4.1.4",
+    "mocha": "^5.2.0",
+    "nyc": "^11.8.0",
+    "rimraf": "^2.4.3",
+    "sinon": "^1.10.3",
+    "sinon-chai": "^2.6.0"
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/chokidar/types/index.d.ts b/node_modules/watchpack-chokidar2/node_modules/chokidar/types/index.d.ts
new file mode 100644
index 00000000..9d3043f8
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/chokidar/types/index.d.ts
@@ -0,0 +1,191 @@
+// TypeScript Version: 3.0
+
+/// <reference types="node" />
+
+import * as fs from "fs";
+import { EventEmitter } from "events";
+
+/**
+ * The object's keys are all the directories (using absolute paths unless the `cwd` option was
+ * used), and the values are arrays of the names of the items contained in each directory.
+ */
+export interface WatchedPaths {
+  [directory: string]: string[];
+}
+
+export class FSWatcher extends EventEmitter implements fs.FSWatcher {
+  /**
+   * Constructs a new FSWatcher instance with optional WatchOptions parameter.
+   */
+  constructor(options?: WatchOptions);
+
+  /**
+   * Add files, directories, or glob patterns for tracking. Takes an array of strings or just one
+   * string.
+   */
+  add(paths: string | string[]): void;
+
+  /**
+   * Stop watching files, directories, or glob patterns. Takes an array of strings or just one
+   * string.
+   */
+  unwatch(paths: string | string[]): void;
+
+  /**
+   * Returns an object representing all the paths on the file system being watched by this
+   * `FSWatcher` instance. The object's keys are all the directories (using absolute paths unless
+   * the `cwd` option was used), and the values are arrays of the names of the items contained in
+   * each directory.
+   */
+  getWatched(): WatchedPaths;
+
+  /**
+   * Removes all listeners from watched files.
+   */
+  close(): void;
+
+  on(event: 'add'|'addDir'|'change', listener: (path: string, stats?: fs.Stats) => void): this;
+
+  on(event: 'all', listener: (eventName: 'add'|'addDir'|'change'|'unlink'|'unlinkDir', path: string, stats?: fs.Stats) => void): this;
+
+  /**
+   * Error occured
+   */
+  on(event: 'error', listener: (error: Error) => void): this;
+
+  /**
+   * Exposes the native Node `fs.FSWatcher events`
+   */
+  on(event: 'raw', listener: (eventName: string, path: string, details: any) => void): this;
+
+  /**
+   * Fires when the initial scan is complete
+   */
+  on(event: 'ready', listener: () => void): this;
+
+  on(event: 'unlink'|'unlinkDir', listener: (path: string) => void): this;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+}
+
+export interface WatchOptions {
+  /**
+   * Indicates whether the process should continue to run as long as files are being watched. If
+   * set to `false` when using `fsevents` to watch, no more events will be emitted after `ready`,
+   * even if the process continues to run.
+   */
+  persistent?: boolean;
+
+  /**
+   * ([anymatch](https://github.com/es128/anymatch)-compatible definition) Defines files/paths to
+   * be ignored. The whole relative or absolute path is tested, not just filename. If a function
+   * with two arguments is provided, it gets called twice per path - once with a single argument
+   * (the path), second time with two arguments (the path and the
+   * [`fs.Stats`](http://nodejs.org/api/fs.html#fs_class_fs_stats) object of that path).
+   */
+  ignored?: any;
+
+  /**
+   * If set to `false` then `add`/`addDir` events are also emitted for matching paths while
+   * instantiating the watching as chokidar discovers these file paths (before the `ready` event).
+   */
+  ignoreInitial?: boolean;
+
+  /**
+   * When `false`, only the symlinks themselves will be watched for changes instead of following
+   * the link references and bubbling events through the link's path.
+   */
+  followSymlinks?: boolean;
+
+  /**
+   * The base directory from which watch `paths` are to be derived. Paths emitted with events will
+   * be relative to this.
+   */
+  cwd?: string;
+
+  /**
+   *  If set to true then the strings passed to .watch() and .add() are treated as literal path
+   *  names, even if they look like globs. Default: false.
+   */
+  disableGlobbing?: boolean;
+
+  /**
+   * Whether to use fs.watchFile (backed by polling), or fs.watch. If polling leads to high CPU
+   * utilization, consider setting this to `false`. It is typically necessary to **set this to
+   * `true` to successfully watch files over a network**, and it may be necessary to successfully
+   * watch files in other non-standard situations. Setting to `true` explicitly on OS X overrides
+   * the `useFsEvents` default.
+   */
+  usePolling?: boolean;
+
+  /**
+   * Whether to use the `fsevents` watching interface if available. When set to `true` explicitly
+   * and `fsevents` is available this supercedes the `usePolling` setting. When set to `false` on
+   * OS X, `usePolling: true` becomes the default.
+   */
+  useFsEvents?: boolean;
+
+  /**
+   * If relying upon the [`fs.Stats`](http://nodejs.org/api/fs.html#fs_class_fs_stats) object that
+   * may get passed with `add`, `addDir`, and `change` events, set this to `true` to ensure it is
+   * provided even in cases where it wasn't already available from the underlying watch events.
+   */
+  alwaysStat?: boolean;
+
+  /**
+   * If set, limits how many levels of subdirectories will be traversed.
+   */
+  depth?: number;
+
+  /**
+   * Interval of file system polling.
+   */
+  interval?: number;
+
+  /**
+   * Interval of file system polling for binary files. ([see list of binary extensions](https://gi
+   * thub.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
+   */
+  binaryInterval?: number;
+
+  /**
+   *  Indicates whether to watch files that don't have read permissions if possible. If watching
+   *  fails due to `EPERM` or `EACCES` with this set to `true`, the errors will be suppressed
+   *  silently.
+   */
+  ignorePermissionErrors?: boolean;
+
+  /**
+   * `true` if `useFsEvents` and `usePolling` are `false`). Automatically filters out artifacts
+   * that occur when using editors that use "atomic writes" instead of writing directly to the
+   * source file. If a file is re-added within 100 ms of being deleted, Chokidar emits a `change`
+   * event rather than `unlink` then `add`. If the default of 100 ms does not work well for you,
+   * you can override it by setting `atomic` to a custom value, in milliseconds.
+   */
+  atomic?: boolean | number;
+
+  /**
+   * can be set to an object in order to adjust timing params:
+   */
+  awaitWriteFinish?: AwaitWriteFinishOptions | boolean;
+}
+
+export interface AwaitWriteFinishOptions {
+  /**
+   * Amount of time in milliseconds for a file size to remain constant before emitting its event.
+   */
+  stabilityThreshold?: number;
+
+  /**
+   * File size polling interval.
+   */
+  pollInterval?: number;
+}
+
+/**
+ * produces an instance of `FSWatcher`.
+ */
+export function watch(
+  paths: string | string[],
+  options?: WatchOptions
+): FSWatcher;
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/LICENSE b/node_modules/watchpack-chokidar2/node_modules/glob-parent/LICENSE
new file mode 100644
index 00000000..734076d8
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) 2015 Elan Shanker
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/README.md b/node_modules/watchpack-chokidar2/node_modules/glob-parent/README.md
new file mode 100644
index 00000000..3bec5c78
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/README.md
@@ -0,0 +1,109 @@
+glob-parent [![Build Status](https://travis-ci.org/es128/glob-parent.svg)](https://travis-ci.org/es128/glob-parent) [![Coverage Status](https://img.shields.io/coveralls/es128/glob-parent.svg)](https://coveralls.io/r/es128/glob-parent?branch=master)
+======
+Javascript module to extract the non-magic parent path from a glob string.
+
+[![NPM](https://nodei.co/npm/glob-parent.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/glob-parent/)
+[![NPM](https://nodei.co/npm-dl/glob-parent.png?height=3&months=9)](https://nodei.co/npm-dl/glob-parent/)
+
+Usage
+-----
+```sh
+npm install glob-parent --save
+```
+
+**Examples**
+
+```js
+var globParent = require('glob-parent');
+
+globParent('path/to/*.js'); // 'path/to'
+globParent('/root/path/to/*.js'); // '/root/path/to'
+globParent('/*.js'); // '/'
+globParent('*.js'); // '.'
+globParent('**/*.js'); // '.'
+globParent('path/{to,from}'); // 'path'
+globParent('path/!(to|from)'); // 'path'
+globParent('path/?(to|from)'); // 'path'
+globParent('path/+(to|from)'); // 'path'
+globParent('path/*(to|from)'); // 'path'
+globParent('path/@(to|from)'); // 'path'
+globParent('path/**/*'); // 'path'
+
+// if provided a non-glob path, returns the nearest dir
+globParent('path/foo/bar.js'); // 'path/foo'
+globParent('path/foo/'); // 'path/foo'
+globParent('path/foo'); // 'path' (see issue #3 for details)
+```
+
+## Escaping
+
+The following characters have special significance in glob patterns and must be escaped if you want them to be treated as regular path characters:
+
+- `?` (question mark)
+- `*` (star)
+- `|` (pipe)
+- `(` (opening parenthesis)
+- `)` (closing parenthesis)
+- `{` (opening curly brace)
+- `}` (closing curly brace)
+- `[` (opening bracket)
+- `]` (closing bracket)
+
+**Example**
+
+```js
+globParent('foo/[bar]/') // 'foo'
+globParent('foo/\\[bar]/') // 'foo/[bar]'
+```
+
+## Limitations
+
+#### Braces & Brackets
+This library attempts a quick and imperfect method of determining which path
+parts have glob magic without fully parsing/lexing the pattern. There are some
+advanced use cases that can trip it up, such as nested braces where the outer
+pair is escaped and the inner one contains a path separator. If you find
+yourself in the unlikely circumstance of being affected by this or need to
+ensure higher-fidelity glob handling in your library, it is recommended that you
+pre-process your input with [expand-braces] and/or [expand-brackets].
+
+#### Windows
+Backslashes are not valid path separators for globs. If a path with backslashes
+is provided anyway, for simple cases, glob-parent will replace the path
+separator for you and return the non-glob parent path (now with
+forward-slashes, which are still valid as Windows path separators).
+
+This cannot be used in conjunction with escape characters.
+
+```js
+// BAD
+globParent('C:\\Program Files \\(x86\\)\\*.ext') // 'C:/Program Files /(x86/)'
+
+// GOOD
+globParent('C:/Program Files\\(x86\\)/*.ext') // 'C:/Program Files (x86)'
+```
+
+If you are using escape characters for a pattern without path parts (i.e.
+relative to `cwd`), prefix with `./` to avoid confusing glob-parent.
+
+```js
+// BAD
+globParent('foo \\[bar]') // 'foo '
+globParent('foo \\[bar]*') // 'foo '
+
+// GOOD
+globParent('./foo \\[bar]') // 'foo [bar]'
+globParent('./foo \\[bar]*') // '.'
+```
+
+
+Change Log
+----------
+[See release notes page on GitHub](https://github.com/es128/glob-parent/releases)
+
+License
+-------
+[ISC](https://raw.github.com/es128/glob-parent/master/LICENSE)
+
+[expand-braces]: https://github.com/jonschlinkert/expand-braces
+[expand-brackets]: https://github.com/jonschlinkert/expand-brackets
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/index.js b/node_modules/watchpack-chokidar2/node_modules/glob-parent/index.js
new file mode 100644
index 00000000..3a14a539
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/index.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var path = require('path');
+var isglob = require('is-glob');
+var pathDirname = require('path-dirname');
+var isWin32 = require('os').platform() === 'win32';
+
+module.exports = function globParent(str) {
+	// flip windows path separators
+	if (isWin32 && str.indexOf('/') < 0) str = str.split('\\').join('/');
+
+	// special case for strings ending in enclosure containing path separator
+	if (/[\{\[].*[\/]*.*[\}\]]$/.test(str)) str += '/';
+
+	// preserves full path in case of trailing path separator
+	str += 'a';
+
+	// remove path parts that are globby
+	do {str = pathDirname.posix(str)}
+	while (isglob(str) || /(^|[^\\])([\{\[]|\([^\)]+$)/.test(str));
+
+	// remove escape chars and return result
+	return str.replace(/\\([\*\?\|\[\]\(\)\{\}])/g, '$1');
+};
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/LICENSE b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/LICENSE
new file mode 100644
index 00000000..39245ac1
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2016, Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/README.md b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/README.md
new file mode 100644
index 00000000..6f4404fe
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/README.md
@@ -0,0 +1,142 @@
+# is-glob [![NPM version](https://img.shields.io/npm/v/is-glob.svg?style=flat)](https://www.npmjs.com/package/is-glob) [![NPM downloads](https://img.shields.io/npm/dm/is-glob.svg?style=flat)](https://npmjs.org/package/is-glob) [![Build Status](https://img.shields.io/travis/jonschlinkert/is-glob.svg?style=flat)](https://travis-ci.org/jonschlinkert/is-glob)
+
+> Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+```sh
+$ npm install --save is-glob
+```
+
+You might also be interested in [is-valid-glob](https://github.com/jonschlinkert/is-valid-glob) and [has-glob](https://github.com/jonschlinkert/has-glob).
+
+## Usage
+
+```js
+var isGlob = require('is-glob');
+```
+
+**True**
+
+Patterns that have glob characters or regex patterns will return `true`:
+
+```js
+isGlob('!foo.js');
+isGlob('*.js');
+isGlob('**/abc.js');
+isGlob('abc/*.js');
+isGlob('abc/(aaa|bbb).js');
+isGlob('abc/[a-z].js');
+isGlob('abc/{a,b}.js');
+isGlob('abc/?.js');
+//=> true
+```
+
+Extglobs
+
+```js
+isGlob('abc/@(a).js');
+isGlob('abc/!(a).js');
+isGlob('abc/+(a).js');
+isGlob('abc/*(a).js');
+isGlob('abc/?(a).js');
+//=> true
+```
+
+**False**
+
+Escaped globs or extglobs return `false`:
+
+```js
+isGlob('abc/\\@(a).js');
+isGlob('abc/\\!(a).js');
+isGlob('abc/\\+(a).js');
+isGlob('abc/\\*(a).js');
+isGlob('abc/\\?(a).js');
+isGlob('\\!foo.js');
+isGlob('\\*.js');
+isGlob('\\*\\*/abc.js');
+isGlob('abc/\\*.js');
+isGlob('abc/\\(aaa|bbb).js');
+isGlob('abc/\\[a-z].js');
+isGlob('abc/\\{a,b}.js');
+isGlob('abc/\\?.js');
+//=> false
+```
+
+Patterns that do not have glob patterns return `false`:
+
+```js
+isGlob('abc.js');
+isGlob('abc/def/ghi.js');
+isGlob('foo.js');
+isGlob('abc/@.js');
+isGlob('abc/+.js');
+isGlob();
+isGlob(null);
+//=> false
+```
+
+Arrays are also `false` (If you want to check if an array has a glob pattern, use [has-glob](https://github.com/jonschlinkert/has-glob)):
+
+```js
+isGlob(['**/*.js']);
+isGlob(['foo.js']);
+//=> false
+```
+
+## About
+
+### Related projects
+
+* [assemble](https://www.npmjs.com/package/assemble): Get the rocks out of your socks! Assemble makes you fast at creating web projects… [more](https://github.com/assemble/assemble) | [homepage](https://github.com/assemble/assemble "Get the rocks out of your socks! Assemble makes you fast at creating web projects. Assemble is used by thousands of projects for rapid prototyping, creating themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websit")
+* [base](https://www.npmjs.com/package/base): base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… [more](https://github.com/node-base/base) | [homepage](https://github.com/node-base/base "base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting with a handful of common methods, like `set`, `get`, `del` and `use`.")
+* [update](https://www.npmjs.com/package/update): Be scalable! Update is a new, open source developer framework and CLI for automating updates… [more](https://github.com/update/update) | [homepage](https://github.com/update/update "Be scalable! Update is a new, open source developer framework and CLI for automating updates of any kind in code projects.")
+* [verb](https://www.npmjs.com/package/verb): Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used… [more](https://github.com/verbose/verb) | [homepage](https://github.com/verbose/verb "Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used on hundreds of projects of all sizes to generate everything from API docs to readmes.")
+
+### Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
+
+### Contributors
+
+| **Commits** | **Contributor**<br/> | 
+| --- | --- |
+| 40 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 1 | [tuvistavie](https://github.com/tuvistavie) |
+
+### Building docs
+
+_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
+
+To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
+
+```sh
+$ npm install -g verb verb-generate-readme && verb
+```
+
+### Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm install -d && npm test
+```
+
+### Author
+
+**Jon Schlinkert**
+
+* [github/jonschlinkert](https://github.com/jonschlinkert)
+* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+### License
+
+Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
+Released under the [MIT license](https://github.com/jonschlinkert/is-glob/blob/master/LICENSE).
+
+***
+
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.31, on October 12, 2016._
\ No newline at end of file
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/index.js b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/index.js
new file mode 100644
index 00000000..2ecbe2a7
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/index.js
@@ -0,0 +1,25 @@
+/*!
+ * is-glob <https://github.com/jonschlinkert/is-glob>
+ *
+ * Copyright (c) 2014-2016, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+var isExtglob = require('is-extglob');
+
+module.exports = function isGlob(str) {
+  if (typeof str !== 'string' || str === '') {
+    return false;
+  }
+
+  if (isExtglob(str)) return true;
+
+  var regex = /(\\).|([*?]|\[.*\]|\{.*\}|\(.*\|.*\)|^!)/;
+  var match;
+
+  while ((match = regex.exec(str))) {
+    if (match[2]) return true;
+    str = str.slice(match.index + match[0].length);
+  }
+  return false;
+};
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/package.json b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/package.json
new file mode 100644
index 00000000..53a137d8
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/node_modules/is-glob/package.json
@@ -0,0 +1,80 @@
+{
+  "name": "is-glob",
+  "description": "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.",
+  "version": "3.1.0",
+  "homepage": "https://github.com/jonschlinkert/is-glob",
+  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",
+  "contributors": [
+    "Daniel Perez <daniel@claudetech.com> (http://tuvistavie.com)",
+    "Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
+  ],
+  "repository": "jonschlinkert/is-glob",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/is-glob/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "is-extglob": "^2.1.0"
+  },
+  "devDependencies": {
+    "gulp-format-md": "^0.1.10",
+    "mocha": "^3.0.2"
+  },
+  "keywords": [
+    "bash",
+    "braces",
+    "check",
+    "exec",
+    "expression",
+    "extglob",
+    "glob",
+    "globbing",
+    "globstar",
+    "is",
+    "match",
+    "matches",
+    "pattern",
+    "regex",
+    "regular",
+    "string",
+    "test"
+  ],
+  "verb": {
+    "layout": "default",
+    "plugins": [
+      "gulp-format-md"
+    ],
+    "related": {
+      "list": [
+        "assemble",
+        "base",
+        "update",
+        "verb"
+      ]
+    },
+    "reflinks": [
+      "assemble",
+      "bach",
+      "base",
+      "composer",
+      "gulp",
+      "has-glob",
+      "is-valid-glob",
+      "micromatch",
+      "npm",
+      "scaffold",
+      "verb",
+      "vinyl"
+    ]
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/glob-parent/package.json b/node_modules/watchpack-chokidar2/node_modules/glob-parent/package.json
new file mode 100644
index 00000000..e0023857
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/glob-parent/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "glob-parent",
+  "version": "3.1.0",
+  "description": "Strips glob magic from a string to provide the parent directory path",
+  "main": "index.js",
+  "scripts": {
+    "test": "istanbul test node_modules/mocha/bin/_mocha",
+    "ci-test": "istanbul cover _mocha && cat ./coverage/lcov.info | coveralls"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/es128/glob-parent"
+  },
+  "keywords": [
+    "glob",
+    "parent",
+    "strip",
+    "path",
+    "dirname",
+    "directory",
+    "base",
+    "wildcard"
+  ],
+  "files": [
+    "index.js"
+  ],
+  "author": "Elan Shanker (https://github.com/es128)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/es128/glob-parent/issues"
+  },
+  "homepage": "https://github.com/es128/glob-parent",
+  "dependencies": {
+    "is-glob": "^3.1.0",
+    "path-dirname": "^1.0.0"
+  },
+  "devDependencies": {
+    "coveralls": "^2.11.2",
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0"
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/is-binary-path/index.js b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/index.js
new file mode 100644
index 00000000..6c8c7e72
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/index.js
@@ -0,0 +1,12 @@
+'use strict';
+var path = require('path');
+var binaryExtensions = require('binary-extensions');
+var exts = Object.create(null);
+
+binaryExtensions.forEach(function (el) {
+	exts[el] = true;
+});
+
+module.exports = function (filepath) {
+	return path.extname(filepath).slice(1).toLowerCase() in exts;
+};
diff --git a/node_modules/watchpack-chokidar2/node_modules/is-binary-path/license b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/license
new file mode 100644
index 00000000..654d0bfe
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/license
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/is-binary-path/package.json b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/package.json
new file mode 100644
index 00000000..cd21d885
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "is-binary-path",
+  "version": "1.0.1",
+  "description": "Check if a filepath is a binary file",
+  "license": "MIT",
+  "repository": "sindresorhus/is-binary-path",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "bin",
+    "binary",
+    "ext",
+    "extensions",
+    "extension",
+    "file",
+    "path",
+    "check",
+    "detect",
+    "is"
+  ],
+  "dependencies": {
+    "binary-extensions": "^1.0.0"
+  },
+  "devDependencies": {
+    "ava": "0.0.4"
+  }
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/is-binary-path/readme.md b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/readme.md
new file mode 100644
index 00000000..a17d6a24
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/is-binary-path/readme.md
@@ -0,0 +1,34 @@
+# is-binary-path [![Build Status](https://travis-ci.org/sindresorhus/is-binary-path.svg?branch=master)](https://travis-ci.org/sindresorhus/is-binary-path)
+
+> Check if a filepath is a binary file
+
+
+## Install
+
+```
+$ npm install --save is-binary-path
+```
+
+
+## Usage
+
+```js
+var isBinaryPath = require('is-binary-path');
+
+isBinaryPath('src/unicorn.png');
+//=> true
+
+isBinaryPath('src/unicorn.txt');
+//=> false
+```
+
+
+## Related
+
+- [`binary-extensions`](https://github.com/sindresorhus/binary-extensions) - List of binary file extensions
+- [`is-text-path`](https://github.com/sindresorhus/is-text-path) - Check if a filepath is a text file
+
+
+## License
+
+MIT © [Sindre Sorhus](http://sindresorhus.com)
diff --git a/node_modules/watchpack-chokidar2/node_modules/readdirp/LICENSE b/node_modules/watchpack-chokidar2/node_modules/readdirp/LICENSE
new file mode 100644
index 00000000..8a63b80b
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/readdirp/LICENSE
@@ -0,0 +1,20 @@
+This software is released under the MIT license:
+
+Copyright (c) 2012-2015 Thorsten Lorenz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/watchpack-chokidar2/node_modules/readdirp/README.md b/node_modules/watchpack-chokidar2/node_modules/readdirp/README.md
new file mode 100644
index 00000000..431f4025
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/readdirp/README.md
@@ -0,0 +1,204 @@
+# readdirp [![Build Status](https://secure.travis-ci.org/thlorenz/readdirp.svg)](http://travis-ci.org/thlorenz/readdirp)
+
+[![NPM](https://nodei.co/npm/readdirp.png?downloads=true&stars=true)](https://nodei.co/npm/readdirp/)
+
+Recursive version of [fs.readdir](http://nodejs.org/docs/latest/api/fs.html#fs_fs_readdir_path_callback). Exposes a **stream api**.
+
+```javascript
+var readdirp = require('readdirp')
+  , path = require('path')
+  , es = require('event-stream');
+
+// print out all JavaScript files along with their size
+
+var stream = readdirp({ root: path.join(__dirname), fileFilter: '*.js' });
+stream
+  .on('warn', function (err) {
+    console.error('non-fatal error', err);
+    // optionally call stream.destroy() here in order to abort and cause 'close' to be emitted
+  })
+  .on('error', function (err) { console.error('fatal error', err); })
+  .pipe(es.mapSync(function (entry) {
+    return { path: entry.path, size: entry.stat.size };
+  }))
+  .pipe(es.stringify())
+  .pipe(process.stdout);
+```
+
+Meant to be one of the recursive versions of [fs](http://nodejs.org/docs/latest/api/fs.html) functions, e.g., like [mkdirp](https://github.com/substack/node-mkdirp).
+
+**Table of Contents**  *generated with [DocToc](http://doctoc.herokuapp.com/)*
+
+- [Installation](#installation)
+- [API](#api)
+	- [entry stream](#entry-stream)
+	- [options](#options)
+	- [entry info](#entry-info)
+	- [Filters](#filters)
+	- [Callback API](#callback-api)
+		- [allProcessed ](#allprocessed)
+		- [fileProcessed](#fileprocessed)
+- [More Examples](#more-examples)
+	- [stream api](#stream-api)
+	- [stream api pipe](#stream-api-pipe)
+	- [grep](#grep)
+	- [using callback api](#using-callback-api)
+	- [tests](#tests)
+
+
+# Installation
+
+    npm install readdirp
+
+# API
+
+***var entryStream = readdirp (options)***
+
+Reads given root recursively and returns a `stream` of [entry info](#entry-info)s.
+
+## entry stream
+
+Behaves as follows:
+
+- `emit('data')` passes an [entry info](#entry-info) whenever one is found
+- `emit('warn')` passes a non-fatal `Error` that prevents a file/directory from being processed (i.e., if it is
+  inaccessible to the user)
+- `emit('error')` passes a fatal `Error` which also ends the stream (i.e., when illegal options where passed)
+- `emit('end')` called when all entries were found and no more will be emitted (i.e., we are done)
+- `emit('close')` called when the stream is destroyed via `stream.destroy()` (which could be useful if you want to
+  manually abort even on a non fatal error) - at that point the stream is no longer `readable` and no more entries,
+  warning or errors are emitted
+- to learn more about streams, consult the very detailed
+  [nodejs streams documentation](http://nodejs.org/api/stream.html) or the
+  [stream-handbook](https://github.com/substack/stream-handbook)
+
+
+## options
+
+- **root**: path in which to start reading and recursing into subdirectories
+
+- **fileFilter**: filter to include/exclude files found (see [Filters](#filters) for more)
+
+- **directoryFilter**: filter to include/exclude directories found and to recurse into (see [Filters](#filters) for more)
+
+- **depth**: depth at which to stop recursing even if more subdirectories are found
+
+- **entryType**: determines if data events on the stream should be emitted for `'files'`, `'directories'`, `'both'`, or `'all'`. Setting to `'all'` will also include entries for other types of file descriptors like character devices, unix sockets and named pipes. Defaults to `'files'`.
+
+- **lstat**: if `true`, readdirp uses `fs.lstat` instead of `fs.stat` in order to stat files and includes symlink entries in the stream along with files.
+
+## entry info
+
+Has the following properties:
+
+- **parentDir**     :  directory in which entry was found (relative to given root)
+- **fullParentDir** :  full path to parent directory
+- **name**          :  name of the file/directory
+- **path**          :  path to the file/directory (relative to given root)
+- **fullPath**      :  full path to the file/directory found
+- **stat**          :  built in [stat object](http://nodejs.org/docs/v0.4.9/api/fs.html#fs.Stats)
+- **Example**: (assuming root was `/User/dev/readdirp`)
+
+        parentDir     :  'test/bed/root_dir1',
+        fullParentDir :  '/User/dev/readdirp/test/bed/root_dir1',
+        name          :  'root_dir1_subdir1',
+        path          :  'test/bed/root_dir1/root_dir1_subdir1',
+        fullPath      :  '/User/dev/readdirp/test/bed/root_dir1/root_dir1_subdir1',
+        stat          :  [ ... ]
+
+## Filters
+
+There are three different ways to specify filters for files and directories respectively.
+
+- **function**: a function that takes an entry info as a parameter and returns true to include or false to exclude the entry
+
+- **glob string**: a string (e.g., `*.js`) which is matched using [minimatch](https://github.com/isaacs/minimatch), so go there for more
+    information.
+
+    Globstars (`**`) are not supported since specifying a recursive pattern for an already recursive function doesn't make sense.
+
+    Negated globs (as explained in the minimatch documentation) are allowed, e.g., `!*.txt` matches everything but text files.
+
+- **array of glob strings**: either need to be all inclusive or all exclusive (negated) patterns otherwise an error is thrown.
+
+    `[ '*.json', '*.js' ]` includes all JavaScript and Json files.
+
+
+    `[ '!.git', '!node_modules' ]` includes all directories except the '.git' and 'node_modules'.
+
+Directories that do not pass a filter will not be recursed into.
+
+## Callback API
+
+Although the stream api is recommended, readdirp also exposes a callback based api.
+
+***readdirp (options, callback1 [, callback2])***
+
+If callback2 is given, callback1 functions as the **fileProcessed** callback, and callback2 as the **allProcessed** callback.
+
+If only callback1 is given, it functions as the **allProcessed** callback.
+
+### allProcessed
+
+- function with err and res parameters, e.g., `function (err, res) { ... }`
+- **err**: array of errors that occurred during the operation, **res may still be present, even if errors occurred**
+- **res**: collection of file/directory [entry infos](#entry-info)
+
+### fileProcessed
+
+- function with [entry info](#entry-info) parameter e.g., `function (entryInfo) { ... }`
+
+
+# More Examples
+
+`on('error', ..)`, `on('warn', ..)` and `on('end', ..)` handling omitted for brevity
+
+```javascript
+var readdirp = require('readdirp');
+
+// Glob file filter
+readdirp({ root: './test/bed', fileFilter: '*.js' })
+  .on('data', function (entry) {
+    // do something with each JavaScript file entry
+  });
+
+// Combined glob file filters
+readdirp({ root: './test/bed', fileFilter: [ '*.js', '*.json' ] })
+  .on('data', function (entry) {
+    // do something with each JavaScript and Json file entry
+  });
+
+// Combined negated directory filters
+readdirp({ root: './test/bed', directoryFilter: [ '!.git', '!*modules' ] })
+  .on('data', function (entry) {
+    // do something with each file entry found outside '.git' or any modules directory
+  });
+
+// Function directory filter
+readdirp({ root: './test/bed', directoryFilter: function (di) { return di.name.length === 9; } })
+  .on('data', function (entry) {
+    // do something with each file entry found inside directories whose name has length 9
+  });
+
+// Limiting depth
+readdirp({ root: './test/bed', depth: 1 })
+  .on('data', function (entry) {
+    // do something with each file entry found up to 1 subdirectory deep
+  });
+
+// callback api
+readdirp({ root: '.' }, function(fileInfo) {
+   // do something with file entry here
+  }, function (err, res) {
+    // all done, move on or do final step for all file entries here
+});
+```
+
+Try more examples by following [instructions](https://github.com/paulmillr/readdirp/blob/master/examples/Readme.md)
+on how to get going.
+
+## tests
+
+The [readdirp tests](https://github.com/paulmillr/readdirp/blob/master/test/readdirp.js) also will give you a good idea on
+how things work.
+
diff --git a/node_modules/watchpack-chokidar2/node_modules/readdirp/package.json b/node_modules/watchpack-chokidar2/node_modules/readdirp/package.json
new file mode 100644
index 00000000..39314a29
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/readdirp/package.json
@@ -0,0 +1,50 @@
+{
+  "author": "Thorsten Lorenz <thlorenz@gmx.de> (thlorenz.com)",
+  "name": "readdirp",
+  "description": "Recursive version of fs.readdir with streaming api.",
+  "version": "2.2.1",
+  "homepage": "https://github.com/paulmillr/readdirp",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/paulmillr/readdirp.git"
+  },
+  "engines": {
+    "node": ">=0.10"
+  },
+  "files": [
+    "readdirp.js",
+    "stream-api.js"
+  ],
+  "keywords": [
+    "recursive",
+    "fs",
+    "stream",
+    "streams",
+    "readdir",
+    "filesystem",
+    "find",
+    "filter"
+  ],
+  "main": "readdirp.js",
+  "scripts": {
+    "test-main": "(cd test && set -e; for t in ./*.js; do node $t; done)",
+    "test-0.10": "nave use 0.10 npm run test-main",
+    "test-0.12": "nave use 0.12 npm run test-main",
+    "test-4": "nave use 4.4 npm run test-main",
+    "test-6": "nave use 6.2 npm run test-main",
+    "test-all": "npm run test-main && npm run test-0.10 && npm run test-0.12 && npm run test-4 && npm run test-6",
+    "test": "npm run test-main"
+  },
+  "dependencies": {
+    "graceful-fs": "^4.1.11",
+    "micromatch": "^3.1.10",
+    "readable-stream": "^2.0.2"
+  },
+  "devDependencies": {
+    "nave": "^0.5.1",
+    "proxyquire": "^1.7.9",
+    "tap": "1.3.2",
+    "through2": "^2.0.0"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/watchpack-chokidar2/node_modules/readdirp/readdirp.js b/node_modules/watchpack-chokidar2/node_modules/readdirp/readdirp.js
new file mode 100644
index 00000000..863bd17b
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/readdirp/readdirp.js
@@ -0,0 +1,294 @@
+'use strict';
+
+var fs        =  require('graceful-fs')
+  , path      =  require('path')
+  , micromatch =  require('micromatch').isMatch
+  , toString  =  Object.prototype.toString
+  ;
+
+
+// Standard helpers
+function isFunction (obj) {
+  return toString.call(obj) === '[object Function]';
+}
+
+function isString (obj) {
+  return toString.call(obj) === '[object String]';
+}
+
+function isUndefined (obj) {
+  return obj === void 0;
+}
+
+/**
+ * Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
+ * @param { Object }   opts     Options to specify root (start directory), filters and recursion depth
+ * @param { function } callback1  When callback2 is given calls back for each processed file - function (fileInfo) { ... },
+ *                                when callback2 is not given, it behaves like explained in callback2
+ * @param { function } callback2  Calls back once all files have been processed with an array of errors and file infos
+ *                                function (err, fileInfos) { ... }
+ */
+function readdir(opts, callback1, callback2) {
+  var stream
+    , handleError
+    , handleFatalError
+    , errors = []
+    , readdirResult = {
+        directories: []
+      , files: []
+    }
+    , fileProcessed
+    , allProcessed
+    , realRoot
+    , aborted = false
+    , paused = false
+    ;
+
+  // If no callbacks were given we will use a streaming interface
+  if (isUndefined(callback1)) {
+    var api          =  require('./stream-api')();
+    stream           =  api.stream;
+    callback1        =  api.processEntry;
+    callback2        =  api.done;
+    handleError      =  api.handleError;
+    handleFatalError =  api.handleFatalError;
+
+    stream.on('close', function () { aborted = true; });
+    stream.on('pause', function () { paused = true; });
+    stream.on('resume', function () { paused = false; });
+  } else {
+    handleError      =  function (err) { errors.push(err); };
+    handleFatalError =  function (err) {
+      handleError(err);
+      allProcessed(errors, null);
+    };
+  }
+
+  if (isUndefined(opts)){
+    handleFatalError(new Error (
+      'Need to pass at least one argument: opts! \n' +
+      'https://github.com/paulmillr/readdirp#options'
+      )
+    );
+    return stream;
+  }
+
+  opts.root            =  opts.root            || '.';
+  opts.fileFilter      =  opts.fileFilter      || function() { return true; };
+  opts.directoryFilter =  opts.directoryFilter || function() { return true; };
+  opts.depth           =  typeof opts.depth === 'undefined' ? 999999999 : opts.depth;
+  opts.entryType       =  opts.entryType       || 'files';
+
+  var statfn = opts.lstat === true ? fs.lstat.bind(fs) : fs.stat.bind(fs);
+
+  if (isUndefined(callback2)) {
+    fileProcessed = function() { };
+    allProcessed = callback1;
+  } else {
+    fileProcessed = callback1;
+    allProcessed = callback2;
+  }
+
+  function normalizeFilter (filter) {
+
+    if (isUndefined(filter)) return undefined;
+
+    function isNegated (filters) {
+
+      function negated(f) {
+        return f.indexOf('!') === 0;
+      }
+
+      var some = filters.some(negated);
+      if (!some) {
+        return false;
+      } else {
+        if (filters.every(negated)) {
+          return true;
+        } else {
+          // if we detect illegal filters, bail out immediately
+          throw new Error(
+            'Cannot mix negated with non negated glob filters: ' + filters + '\n' +
+            'https://github.com/paulmillr/readdirp#filters'
+          );
+        }
+      }
+    }
+
+    // Turn all filters into a function
+    if (isFunction(filter)) {
+
+      return filter;
+
+    } else if (isString(filter)) {
+
+      return function (entryInfo) {
+        return micromatch(entryInfo.name, filter.trim());
+      };
+
+    } else if (filter && Array.isArray(filter)) {
+
+      if (filter) filter = filter.map(function (f) {
+        return f.trim();
+      });
+
+      return isNegated(filter) ?
+        // use AND to concat multiple negated filters
+        function (entryInfo) {
+          return filter.every(function (f) {
+            return micromatch(entryInfo.name, f);
+          });
+        }
+        :
+        // use OR to concat multiple inclusive filters
+        function (entryInfo) {
+          return filter.some(function (f) {
+            return micromatch(entryInfo.name, f);
+          });
+        };
+    }
+  }
+
+  function processDir(currentDir, entries, callProcessed) {
+    if (aborted) return;
+    var total = entries.length
+      , processed = 0
+      , entryInfos = []
+      ;
+
+    fs.realpath(currentDir, function(err, realCurrentDir) {
+      if (aborted) return;
+      if (err) {
+        handleError(err);
+        callProcessed(entryInfos);
+        return;
+      }
+
+      var relDir = path.relative(realRoot, realCurrentDir);
+
+      if (entries.length === 0) {
+        callProcessed([]);
+      } else {
+        entries.forEach(function (entry) {
+
+          var fullPath = path.join(realCurrentDir, entry)
+            , relPath  = path.join(relDir, entry);
+
+          statfn(fullPath, function (err, stat) {
+            if (err) {
+              handleError(err);
+            } else {
+              entryInfos.push({
+                  name          :  entry
+                , path          :  relPath   // relative to root
+                , fullPath      :  fullPath
+
+                , parentDir     :  relDir    // relative to root
+                , fullParentDir :  realCurrentDir
+
+                , stat          :  stat
+              });
+            }
+            processed++;
+            if (processed === total) callProcessed(entryInfos);
+          });
+        });
+      }
+    });
+  }
+
+  function readdirRec(currentDir, depth, callCurrentDirProcessed) {
+    var args = arguments;
+    if (aborted) return;
+    if (paused) {
+      setImmediate(function () {
+        readdirRec.apply(null, args);
+      })
+      return;
+    }
+
+    fs.readdir(currentDir, function (err, entries) {
+      if (err) {
+        handleError(err);
+        callCurrentDirProcessed();
+        return;
+      }
+
+      processDir(currentDir, entries, function(entryInfos) {
+
+        var subdirs = entryInfos
+          .filter(function (ei) { return ei.stat.isDirectory() && opts.directoryFilter(ei); });
+
+        subdirs.forEach(function (di) {
+          if(opts.entryType === 'directories' || opts.entryType === 'both' || opts.entryType === 'all') {
+            fileProcessed(di);
+          }
+          readdirResult.directories.push(di);
+        });
+
+        entryInfos
+          .filter(function(ei) {
+            var isCorrectType = opts.entryType === 'all' ?
+              !ei.stat.isDirectory() : ei.stat.isFile() || ei.stat.isSymbolicLink();
+            return isCorrectType && opts.fileFilter(ei);
+          })
+          .forEach(function (fi) {
+            if(opts.entryType === 'files' || opts.entryType === 'both' || opts.entryType === 'all') {
+              fileProcessed(fi);
+            }
+            readdirResult.files.push(fi);
+          });
+
+        var pendingSubdirs = subdirs.length;
+
+        // Be done if no more subfolders exist or we reached the maximum desired depth
+        if(pendingSubdirs === 0 || depth === opts.depth) {
+          callCurrentDirProcessed();
+        } else {
+          // recurse into subdirs, keeping track of which ones are done
+          // and call back once all are processed
+          subdirs.forEach(function (subdir) {
+            readdirRec(subdir.fullPath, depth + 1, function () {
+              pendingSubdirs = pendingSubdirs - 1;
+              if(pendingSubdirs === 0) {
+                callCurrentDirProcessed();
+              }
+            });
+          });
+        }
+      });
+    });
+  }
+
+  // Validate and normalize filters
+  try {
+    opts.fileFilter = normalizeFilter(opts.fileFilter);
+    opts.directoryFilter = normalizeFilter(opts.directoryFilter);
+  } catch (err) {
+    // if we detect illegal filters, bail out immediately
+    handleFatalError(err);
+    return stream;
+  }
+
+  // If filters were valid get on with the show
+  fs.realpath(opts.root, function(err, res) {
+    if (err) {
+      handleFatalError(err);
+      return stream;
+    }
+
+    realRoot = res;
+    readdirRec(opts.root, 0, function () {
+      // All errors are collected into the errors array
+      if (errors.length > 0) {
+        allProcessed(errors, readdirResult);
+      } else {
+        allProcessed(null, readdirResult);
+      }
+    });
+  });
+
+  return stream;
+}
+
+module.exports = readdir;
diff --git a/node_modules/watchpack-chokidar2/node_modules/readdirp/stream-api.js b/node_modules/watchpack-chokidar2/node_modules/readdirp/stream-api.js
new file mode 100644
index 00000000..bffd1a97
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/node_modules/readdirp/stream-api.js
@@ -0,0 +1,98 @@
+'use strict';
+
+var stream = require('readable-stream');
+var util = require('util');
+
+var Readable = stream.Readable;
+
+module.exports = ReaddirpReadable;
+
+util.inherits(ReaddirpReadable, Readable);
+
+function ReaddirpReadable (opts) {
+  if (!(this instanceof ReaddirpReadable)) return new ReaddirpReadable(opts);
+
+  opts = opts || {};
+
+  opts.objectMode = true;
+  Readable.call(this, opts);
+
+  // backpressure not implemented at this point
+  this.highWaterMark = Infinity;
+
+  this._destroyed = false;
+  this._paused = false;
+  this._warnings = [];
+  this._errors = [];
+
+  this._pauseResumeErrors();
+}
+
+var proto = ReaddirpReadable.prototype;
+
+proto._pauseResumeErrors = function () {
+  var self = this;
+  self.on('pause', function () { self._paused = true });
+  self.on('resume', function () {
+    if (self._destroyed) return;
+    self._paused = false;
+
+    self._warnings.forEach(function (err) { self.emit('warn', err) });
+    self._warnings.length = 0;
+
+    self._errors.forEach(function (err) { self.emit('error', err) });
+    self._errors.length = 0;
+  })
+}
+
+// called for each entry
+proto._processEntry = function (entry) {
+  if (this._destroyed) return;
+  this.push(entry);
+}
+
+proto._read = function () { }
+
+proto.destroy = function () {
+  // when stream is destroyed it will emit nothing further, not even errors or warnings
+  this.push(null);
+  this.readable = false;
+  this._destroyed = true;
+  this.emit('close');
+}
+
+proto._done = function () {
+  this.push(null);
+}
+
+// we emit errors and warnings async since we may handle errors like invalid args
+// within the initial event loop before any event listeners subscribed
+proto._handleError = function (err) {
+  var self = this;
+  setImmediate(function () {
+    if (self._paused) return self._warnings.push(err);
+    if (!self._destroyed) self.emit('warn', err);
+  });
+}
+
+proto._handleFatalError = function (err) {
+  var self = this;
+  setImmediate(function () {
+    if (self._paused) return self._errors.push(err);
+    if (!self._destroyed) self.emit('error', err);
+  });
+}
+
+function createStreamAPI () {
+  var stream = new ReaddirpReadable();
+
+  return {
+      stream           :  stream
+    , processEntry     :  stream._processEntry.bind(stream)
+    , done             :  stream._done.bind(stream)
+    , handleError      :  stream._handleError.bind(stream)
+    , handleFatalError :  stream._handleFatalError.bind(stream)
+  };
+}
+
+module.exports = createStreamAPI;
diff --git a/node_modules/watchpack-chokidar2/package.json b/node_modules/watchpack-chokidar2/package.json
new file mode 100644
index 00000000..af2fd347
--- /dev/null
+++ b/node_modules/watchpack-chokidar2/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "watchpack-chokidar2",
+  "version": "2.0.1",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/watchpack.git"
+  },
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/watchpack/issues"
+  },
+  "homepage": "https://github.com/webpack/watchpack",
+  "dependencies": {
+    "chokidar": "^2.1.8"
+  }
+}
diff --git a/node_modules/watchpack/LICENSE b/node_modules/watchpack/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/watchpack/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/watchpack/README.md b/node_modules/watchpack/README.md
new file mode 100644
index 00000000..b1b81072
--- /dev/null
+++ b/node_modules/watchpack/README.md
@@ -0,0 +1,72 @@
+# watchpack
+
+Wrapper library for directory and file watching.
+
+[![Build Status](https://travis-ci.org/webpack/watchpack.svg?branch=master)](https://travis-ci.org/webpack/watchpack) [![Build status](https://ci.appveyor.com/api/projects/status/e5u2qvmugtv0r647/branch/master?svg=true)](https://ci.appveyor.com/project/sokra/watchpack/branch/master) [![Test coverage][coveralls-image]][coveralls-url]
+
+## Concept
+
+watchpack high level API doesn't map directly to watchers. Instead a three level architecture ensures that for each directory only a single watcher exists.
+
+* The high level API requests `DirectoryWatchers` from a `WatcherManager`, which ensures that only a single `DirectoryWatcher` per directory is created.
+* A user-faced `Watcher` can be obtained from a `DirectoryWatcher` and provides a filtered view on the `DirectoryWatcher`.
+* Reference-counting is used on the `DirectoryWatcher` and `Watcher` to decide when to close them.
+* The real watchers (currently chokidar) are created by the `DirectoryWatcher`.
+* Files are never watched directly. This should keep the watcher count low.
+* Watching can be started in the past. This way watching can start after file reading.
+* Symlinks are not followed, instead the symlink is watched.
+
+## API
+
+``` javascript
+var Watchpack = require("watchpack");
+
+var wp = new Watchpack({
+	// options:
+	aggregateTimeout: 1000
+	// fire "aggregated" event when after a change for 1000ms no additional change occurred
+	// aggregated defaults to undefined, which doesn't fire an "aggregated" event
+
+	poll: true
+	// poll: true - use polling with the default interval
+	// poll: 10000 - use polling with an interval of 10s
+	// poll defaults to undefined, which prefer native watching methods
+	// Note: enable polling when watching on a network path
+
+	ignored: /node_modules/,
+	// anymatch-compatible definition of files/paths to be ignored
+	// see https://github.com/paulmillr/chokidar#path-filtering
+});
+
+// Watchpack.prototype.watch(string[] files, string[] directories, [number startTime])
+wp.watch(listOfFiles, listOfDirectories, Date.now() - 10000);
+// starts watching these files and directories
+// calling this again will override the files and directories
+
+wp.on("change", function(filePath, mtime) {
+	// filePath: the changed file
+	// mtime: last modified time for the changed file
+});
+
+wp.on("aggregated", function(changes) {
+	// changes: an array of all changed files
+});
+
+// Watchpack.prototype.pause()
+wp.pause();
+// stops emitting events, but keeps watchers open
+// next "watch" call can reuse the watchers
+
+// Watchpack.prototype.close()
+wp.close();
+// stops emitting events and closes all watchers
+
+// Watchpack.prototype.getTimes()
+var fileTimes = wp.getTimes();
+// returns an object with all know change times for files
+// this include timestamps from files not directly watched
+// key: absolute path, value: timestamp as number
+```
+
+[coveralls-url]: https://coveralls.io/r/webpack/watchpack/
+[coveralls-image]: https://img.shields.io/coveralls/webpack/watchpack.svg
diff --git a/node_modules/watchpack/lib/DirectoryWatcher.js b/node_modules/watchpack/lib/DirectoryWatcher.js
new file mode 100644
index 00000000..78888f6c
--- /dev/null
+++ b/node_modules/watchpack/lib/DirectoryWatcher.js
@@ -0,0 +1,379 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var EventEmitter = require("events").EventEmitter;
+var async = require("neo-async");
+var chokidar = require("./chokidar");
+var fs = require("graceful-fs");
+var path = require("path");
+
+var watcherManager = require("./watcherManager");
+
+var FS_ACCURACY = 1000;
+
+
+function withoutCase(str) {
+	return str.toLowerCase();
+}
+
+
+function Watcher(directoryWatcher, filePath, startTime) {
+	EventEmitter.call(this);
+	this.directoryWatcher = directoryWatcher;
+	this.path = filePath;
+	this.startTime = startTime && +startTime;
+	// TODO this.data seem to be only read, weird
+	this.data = 0;
+}
+
+Watcher.prototype = Object.create(EventEmitter.prototype);
+Watcher.prototype.constructor = Watcher;
+
+Watcher.prototype.checkStartTime = function checkStartTime(mtime, initial) {
+	if(typeof this.startTime !== "number") return !initial;
+	var startTime = this.startTime;
+	return startTime <= mtime;
+};
+
+Watcher.prototype.close = function close() {
+	this.emit("closed");
+};
+
+
+function DirectoryWatcher(directoryPath, options) {
+	EventEmitter.call(this);
+	this.options = options;
+	this.path = directoryPath;
+	this.files = Object.create(null);
+	this.directories = Object.create(null);
+	var interval = typeof options.poll === "number" ? options.poll : undefined;
+	this.watcher = chokidar.watch(directoryPath, {
+		ignoreInitial: true,
+		persistent: true,
+		followSymlinks: false,
+		depth: 0,
+		atomic: false,
+		alwaysStat: true,
+		ignorePermissionErrors: true,
+		ignored: options.ignored,
+		usePolling: options.poll ? true : undefined,
+		interval: interval,
+		binaryInterval: interval,
+		disableGlobbing: true
+	});
+	this.watcher.on("add", this.onFileAdded.bind(this));
+	this.watcher.on("addDir", this.onDirectoryAdded.bind(this));
+	this.watcher.on("change", this.onChange.bind(this));
+	this.watcher.on("unlink", this.onFileUnlinked.bind(this));
+	this.watcher.on("unlinkDir", this.onDirectoryUnlinked.bind(this));
+	this.watcher.on("error", this.onWatcherError.bind(this));
+	this.initialScan = true;
+	this.nestedWatching = false;
+	this.initialScanRemoved = [];
+	this.doInitialScan();
+	this.watchers = Object.create(null);
+	this.parentWatcher = null;
+	this.refs = 0;
+}
+module.exports = DirectoryWatcher;
+
+DirectoryWatcher.prototype = Object.create(EventEmitter.prototype);
+DirectoryWatcher.prototype.constructor = DirectoryWatcher;
+
+DirectoryWatcher.prototype.setFileTime = function setFileTime(filePath, mtime, initial, type) {
+	var now = Date.now();
+	var old = this.files[filePath];
+
+	this.files[filePath] = [initial ? Math.min(now, mtime) : now, mtime];
+
+	// we add the fs accuracy to reach the maximum possible mtime
+	if(mtime)
+		mtime = mtime + FS_ACCURACY;
+
+	if(!old) {
+		if(mtime) {
+			if(this.watchers[withoutCase(filePath)]) {
+				this.watchers[withoutCase(filePath)].forEach(function(w) {
+					if(!initial || w.checkStartTime(mtime, initial)) {
+						w.emit("change", mtime, initial ? "initial" : type);
+					}
+				});
+			}
+		}
+	} else if(!initial && mtime) {
+		if(this.watchers[withoutCase(filePath)]) {
+			this.watchers[withoutCase(filePath)].forEach(function(w) {
+				w.emit("change", mtime, type);
+			});
+		}
+	} else if(!initial && !mtime) {
+		if(this.watchers[withoutCase(filePath)]) {
+			this.watchers[withoutCase(filePath)].forEach(function(w) {
+				w.emit("remove", type);
+			});
+		}
+	}
+	if(this.watchers[withoutCase(this.path)]) {
+		this.watchers[withoutCase(this.path)].forEach(function(w) {
+			if(!initial || w.checkStartTime(mtime, initial)) {
+				w.emit("change", filePath, mtime, initial ? "initial" : type);
+			}
+		});
+	}
+};
+
+DirectoryWatcher.prototype.setDirectory = function setDirectory(directoryPath, exist, initial, type) {
+	if(directoryPath === this.path) {
+		if(!initial && this.watchers[withoutCase(this.path)]) {
+			this.watchers[withoutCase(this.path)].forEach(function(w) {
+				w.emit("change", directoryPath, w.data, initial ? "initial" : type);
+			});
+		}
+	} else {
+		var old = this.directories[directoryPath];
+		if(!old) {
+			if(exist) {
+				if(this.nestedWatching) {
+					this.createNestedWatcher(directoryPath);
+				} else {
+					this.directories[directoryPath] = true;
+				}
+				if(!initial && this.watchers[withoutCase(this.path)]) {
+					this.watchers[withoutCase(this.path)].forEach(function(w) {
+						w.emit("change", directoryPath, w.data, initial ? "initial" : type);
+					});
+				}
+				if(this.watchers[withoutCase(directoryPath) + "#directory"]) {
+					this.watchers[withoutCase(directoryPath) + "#directory"].forEach(function(w) {
+						w.emit("change", w.data, initial ? "initial" : type);
+					});
+				}
+			}
+		} else {
+			if(!exist) {
+				if(this.nestedWatching)
+					this.directories[directoryPath].close();
+				delete this.directories[directoryPath];
+				if(!initial && this.watchers[withoutCase(this.path)]) {
+					this.watchers[withoutCase(this.path)].forEach(function(w) {
+						w.emit("change", directoryPath, w.data, initial ? "initial" : type);
+					});
+				}
+				if(this.watchers[withoutCase(directoryPath) + "#directory"]) {
+					this.watchers[withoutCase(directoryPath) + "#directory"].forEach(function(w) {
+						w.emit("change", directoryPath, w.data, initial ? "initial" : type);
+					});
+				}
+			}
+		}
+	}
+};
+
+DirectoryWatcher.prototype.createNestedWatcher = function(directoryPath) {
+	this.directories[directoryPath] = watcherManager.watchDirectory(directoryPath, this.options, 1);
+	this.directories[directoryPath].on("change", function(filePath, mtime, type) {
+		if(this.watchers[withoutCase(this.path)]) {
+			this.watchers[withoutCase(this.path)].forEach(function(w) {
+				if(w.checkStartTime(mtime, false)) {
+					w.emit("change", filePath, mtime, type);
+				}
+			});
+		}
+	}.bind(this));
+};
+
+DirectoryWatcher.prototype.setNestedWatching = function(flag) {
+	if(this.nestedWatching !== !!flag) {
+		this.nestedWatching = !!flag;
+		if(this.nestedWatching) {
+			Object.keys(this.directories).forEach(function(directory) {
+				this.createNestedWatcher(directory);
+			}, this);
+		} else {
+			Object.keys(this.directories).forEach(function(directory) {
+				this.directories[directory].close();
+				this.directories[directory] = true;
+			}, this);
+		}
+	}
+};
+
+DirectoryWatcher.prototype.watch = function watch(filePath, startTime) {
+	this.watchers[withoutCase(filePath)] = this.watchers[withoutCase(filePath)] || [];
+	this.refs++;
+	var watcher = new Watcher(this, filePath, startTime);
+	watcher.on("closed", function() {
+		var idx = this.watchers[withoutCase(filePath)].indexOf(watcher);
+		this.watchers[withoutCase(filePath)].splice(idx, 1);
+		if(this.watchers[withoutCase(filePath)].length === 0) {
+			delete this.watchers[withoutCase(filePath)];
+			if(this.path === filePath)
+				this.setNestedWatching(false);
+		}
+		if(--this.refs <= 0)
+			this.close();
+	}.bind(this));
+	this.watchers[withoutCase(filePath)].push(watcher);
+	var data;
+	if(filePath === this.path) {
+		this.setNestedWatching(true);
+		data = false;
+		Object.keys(this.files).forEach(function(file) {
+			var d = this.files[file];
+			if(!data)
+				data = d;
+			else
+				data = [Math.max(data[0], d[0]), Math.max(data[1], d[1])];
+		}, this);
+	} else {
+		data = this.files[filePath];
+	}
+	process.nextTick(function() {
+		if(data) {
+			var ts = data[0] === data[1] ? data[0] + FS_ACCURACY : data[0];
+			if(ts >= startTime)
+				watcher.emit("change", data[1]);
+		} else if(this.initialScan && this.initialScanRemoved.indexOf(filePath) >= 0) {
+			watcher.emit("remove");
+		}
+	}.bind(this));
+	return watcher;
+};
+
+DirectoryWatcher.prototype.onFileAdded = function onFileAdded(filePath, stat) {
+	if(filePath.indexOf(this.path) !== 0) return;
+	if(/[\\\/]/.test(filePath.substr(this.path.length + 1))) return;
+
+	this.setFileTime(filePath, +stat.mtime || +stat.ctime || 1, false, "add");
+};
+
+DirectoryWatcher.prototype.onDirectoryAdded = function onDirectoryAdded(directoryPath /*, stat */) {
+	if(directoryPath.indexOf(this.path) !== 0) return;
+	if(/[\\\/]/.test(directoryPath.substr(this.path.length + 1))) return;
+	this.setDirectory(directoryPath, true, false, "add");
+};
+
+DirectoryWatcher.prototype.onChange = function onChange(filePath, stat) {
+	if(filePath.indexOf(this.path) !== 0) return;
+	if(/[\\\/]/.test(filePath.substr(this.path.length + 1))) return;
+	var mtime = +stat.mtime || +stat.ctime || 1;
+	ensureFsAccuracy(mtime);
+	this.setFileTime(filePath, mtime, false, "change");
+};
+
+DirectoryWatcher.prototype.onFileUnlinked = function onFileUnlinked(filePath) {
+	if(filePath.indexOf(this.path) !== 0) return;
+	if(/[\\\/]/.test(filePath.substr(this.path.length + 1))) return;
+	this.setFileTime(filePath, null, false, "unlink");
+	if(this.initialScan) {
+		this.initialScanRemoved.push(filePath);
+	}
+};
+
+DirectoryWatcher.prototype.onDirectoryUnlinked = function onDirectoryUnlinked(directoryPath) {
+	if(directoryPath.indexOf(this.path) !== 0) return;
+	if(/[\\\/]/.test(directoryPath.substr(this.path.length + 1))) return;
+	this.setDirectory(directoryPath, false, false, "unlink");
+	if(this.initialScan) {
+		this.initialScanRemoved.push(directoryPath);
+	}
+};
+
+DirectoryWatcher.prototype.onWatcherError = function onWatcherError(err) {
+	console.warn("Error from chokidar (" + this.path + "): " + err);
+};
+
+DirectoryWatcher.prototype.doInitialScan = function doInitialScan() {
+	fs.readdir(this.path, function(err, items) {
+		if(err) {
+			this.parentWatcher = watcherManager.watchFile(this.path + "#directory", this.options, 1);
+			this.parentWatcher.on("change", function(mtime, type) {
+				if(this.watchers[withoutCase(this.path)]) {
+					this.watchers[withoutCase(this.path)].forEach(function(w) {
+						w.emit("change", this.path, mtime, type);
+					}, this);
+				}
+			}.bind(this));
+			this.initialScan = false;
+			return;
+		}
+		async.forEach(items, function(item, callback) {
+			var itemPath = path.join(this.path, item);
+			fs.stat(itemPath, function(err2, stat) {
+				if(!this.initialScan) return;
+				if(err2) {
+					callback();
+					return;
+				}
+				if(stat.isFile()) {
+					if(!this.files[itemPath])
+						this.setFileTime(itemPath, +stat.mtime || +stat.ctime || 1, true);
+				} else if(stat.isDirectory()) {
+					if(!this.directories[itemPath])
+						this.setDirectory(itemPath, true, true);
+				}
+				callback();
+			}.bind(this));
+		}.bind(this), function() {
+			this.initialScan = false;
+			this.initialScanRemoved = null;
+		}.bind(this));
+	}.bind(this));
+};
+
+DirectoryWatcher.prototype.getTimes = function() {
+	var obj = Object.create(null);
+	var selfTime = 0;
+	Object.keys(this.files).forEach(function(file) {
+		var data = this.files[file];
+		var time;
+		if(data[1]) {
+			time = Math.max(data[0], data[1] + FS_ACCURACY);
+		} else {
+			time = data[0];
+		}
+		obj[file] = time;
+		if(time > selfTime)
+			selfTime = time;
+	}, this);
+	if(this.nestedWatching) {
+		Object.keys(this.directories).forEach(function(dir) {
+			var w = this.directories[dir];
+			var times = w.directoryWatcher.getTimes();
+			Object.keys(times).forEach(function(file) {
+				var time = times[file];
+				obj[file] = time;
+				if(time > selfTime)
+					selfTime = time;
+			});
+		}, this);
+		obj[this.path] = selfTime;
+	}
+	return obj;
+};
+
+DirectoryWatcher.prototype.close = function() {
+	this.initialScan = false;
+	var p = this.watcher.close();
+	if(p && p.catch) p.catch(this.onWatcherError.bind(this));
+	if(this.nestedWatching) {
+		Object.keys(this.directories).forEach(function(dir) {
+			this.directories[dir].close();
+		}, this);
+	}
+	if(this.parentWatcher) this.parentWatcher.close();
+	this.emit("closed");
+};
+
+function ensureFsAccuracy(mtime) {
+	if(!mtime) return;
+	if(FS_ACCURACY > 1 && mtime % 1 !== 0)
+		FS_ACCURACY = 1;
+	else if(FS_ACCURACY > 10 && mtime % 10 !== 0)
+		FS_ACCURACY = 10;
+	else if(FS_ACCURACY > 100 && mtime % 100 !== 0)
+		FS_ACCURACY = 100;
+}
diff --git a/node_modules/watchpack/lib/chokidar.js b/node_modules/watchpack/lib/chokidar.js
new file mode 100644
index 00000000..fa65e262
--- /dev/null
+++ b/node_modules/watchpack/lib/chokidar.js
@@ -0,0 +1,22 @@
+var v3Err;
+try {
+	module.exports = require("chokidar");
+	return;
+} catch(e) {
+	v3Err = e;
+}
+
+var v2Err;
+try {
+	module.exports = require("watchpack-chokidar2");
+	return;
+} catch(e) {
+	v2Err = e;
+}
+
+throw new Error(
+	"No version of chokidar is available. Tried chokidar@2 and chokidar@3.\n" +
+	"You could try to manually install any chokidar version.\n" +
+	"chokidar@3: " + v3Err + "\n" +
+	"chokidar@2: " + v2Err + "\n"
+)
diff --git a/node_modules/watchpack/lib/watcherManager.js b/node_modules/watchpack/lib/watcherManager.js
new file mode 100644
index 00000000..88a5f5e0
--- /dev/null
+++ b/node_modules/watchpack/lib/watcherManager.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var path = require("path");
+
+function WatcherManager() {
+	this.directoryWatchers = {};
+}
+
+WatcherManager.prototype.getDirectoryWatcher = function(directory, options) {
+	var DirectoryWatcher = require("./DirectoryWatcher");
+	options = options || {};
+	var key = directory + " " + JSON.stringify(options);
+	if(!this.directoryWatchers[key]) {
+		this.directoryWatchers[key] = new DirectoryWatcher(directory, options);
+		this.directoryWatchers[key].on("closed", function() {
+			delete this.directoryWatchers[key];
+		}.bind(this));
+	}
+	return this.directoryWatchers[key];
+};
+
+WatcherManager.prototype.watchFile = function watchFile(p, options, startTime) {
+	var directory = path.dirname(p);
+	return this.getDirectoryWatcher(directory, options).watch(p, startTime);
+};
+
+WatcherManager.prototype.watchDirectory = function watchDirectory(directory, options, startTime) {
+	return this.getDirectoryWatcher(directory, options).watch(directory, startTime);
+};
+
+module.exports = new WatcherManager();
diff --git a/node_modules/watchpack/lib/watchpack.js b/node_modules/watchpack/lib/watchpack.js
new file mode 100644
index 00000000..cccbf02b
--- /dev/null
+++ b/node_modules/watchpack/lib/watchpack.js
@@ -0,0 +1,145 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var watcherManager = require("./watcherManager");
+var EventEmitter = require("events").EventEmitter;
+
+function Watchpack(options) {
+	EventEmitter.call(this);
+	if(!options) options = {};
+	if(!options.aggregateTimeout) options.aggregateTimeout = 200;
+	this.options = options;
+	this.watcherOptions = {
+		ignored: options.ignored,
+		poll: options.poll
+	};
+	this.fileWatchers = [];
+	this.dirWatchers = [];
+	this.mtimes = Object.create(null);
+	this.paused = false;
+	this.aggregatedChanges = [];
+	this.aggregatedRemovals = [];
+	this.aggregateTimeout = 0;
+	this._onTimeout = this._onTimeout.bind(this);
+}
+
+module.exports = Watchpack;
+
+Watchpack.prototype = Object.create(EventEmitter.prototype);
+
+Watchpack.prototype.watch = function watch(files, directories, startTime) {
+	this.paused = false;
+	var oldFileWatchers = this.fileWatchers;
+	var oldDirWatchers = this.dirWatchers;
+	this.fileWatchers = files.map(function(file) {
+		return this._fileWatcher(file, watcherManager.watchFile(file, this.watcherOptions, startTime));
+	}, this);
+	this.dirWatchers = directories.map(function(dir) {
+		return this._dirWatcher(dir, watcherManager.watchDirectory(dir, this.watcherOptions, startTime));
+	}, this);
+	oldFileWatchers.forEach(function(w) {
+		w.close();
+	}, this);
+	oldDirWatchers.forEach(function(w) {
+		w.close();
+	}, this);
+};
+
+Watchpack.prototype.close = function resume() {
+	this.paused = true;
+	if(this.aggregateTimeout)
+		clearTimeout(this.aggregateTimeout);
+	this.fileWatchers.forEach(function(w) {
+		w.close();
+	}, this);
+	this.dirWatchers.forEach(function(w) {
+		w.close();
+	}, this);
+	this.fileWatchers.length = 0;
+	this.dirWatchers.length = 0;
+};
+
+Watchpack.prototype.pause = function pause() {
+	this.paused = true;
+	if(this.aggregateTimeout)
+		clearTimeout(this.aggregateTimeout);
+};
+
+function addWatchersToArray(watchers, array) {
+	watchers.forEach(function(w) {
+		if(array.indexOf(w.directoryWatcher) < 0) {
+			array.push(w.directoryWatcher);
+			addWatchersToArray(Object.keys(w.directoryWatcher.directories).reduce(function(a, dir) {
+				if(w.directoryWatcher.directories[dir] !== true)
+					a.push(w.directoryWatcher.directories[dir]);
+				return a;
+			}, []), array);
+		}
+	});
+}
+
+Watchpack.prototype.getTimes = function() {
+	var directoryWatchers = [];
+	addWatchersToArray(this.fileWatchers.concat(this.dirWatchers), directoryWatchers);
+	var obj = Object.create(null);
+	directoryWatchers.forEach(function(w) {
+		var times = w.getTimes();
+		Object.keys(times).forEach(function(file) {
+			obj[file] = times[file];
+		});
+	});
+	return obj;
+};
+
+Watchpack.prototype._fileWatcher = function _fileWatcher(file, watcher) {
+	watcher.on("change", function(mtime, type) {
+		this._onChange(file, mtime, file, type);
+	}.bind(this));
+	watcher.on("remove", function(type) {
+		this._onRemove(file, file, type);
+	}.bind(this));
+	return watcher;
+};
+
+Watchpack.prototype._dirWatcher = function _dirWatcher(item, watcher) {
+	watcher.on("change", function(file, mtime, type) {
+		this._onChange(item, mtime, file, type);
+	}.bind(this));
+	return watcher;
+};
+
+Watchpack.prototype._onChange = function _onChange(item, mtime, file) {
+	file = file || item;
+	this.mtimes[file] = mtime;
+	if(this.paused) return;
+	this.emit("change", file, mtime);
+	if(this.aggregateTimeout)
+		clearTimeout(this.aggregateTimeout);
+	if(this.aggregatedChanges.indexOf(item) < 0)
+		this.aggregatedChanges.push(item);
+	this.aggregateTimeout = setTimeout(this._onTimeout, this.options.aggregateTimeout);
+};
+
+Watchpack.prototype._onRemove = function _onRemove(item, file) {
+	file = file || item;
+	delete this.mtimes[item];
+	if(this.paused) return;
+	this.emit("remove", item);
+	if(this.aggregateTimeout)
+		clearTimeout(this.aggregateTimeout);
+	if(this.aggregatedRemovals.indexOf(item) < 0)
+		this.aggregatedRemovals.push(item);
+	this.aggregateTimeout = setTimeout(this._onTimeout, this.options.aggregateTimeout);
+};
+
+Watchpack.prototype._onTimeout = function _onTimeout() {
+	this.aggregateTimeout = 0;
+	var changes = this.aggregatedChanges;
+	var removals = this.aggregatedRemovals;
+	this.aggregatedChanges = [];
+	this.aggregatedRemovals = [];
+	this.emit("aggregated", changes, removals);
+};
diff --git a/node_modules/watchpack/package.json b/node_modules/watchpack/package.json
new file mode 100644
index 00000000..bd213bb5
--- /dev/null
+++ b/node_modules/watchpack/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "watchpack",
+  "version": "1.7.5",
+  "description": "",
+  "main": "./lib/watchpack.js",
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "pretest": "npm run lint",
+    "test": "mocha",
+    "travis": "npm run cover -- --report lcovonly",
+    "lint": "eslint lib",
+    "precover": "npm run lint",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/watchpack.git"
+  },
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/watchpack/issues"
+  },
+  "homepage": "https://github.com/webpack/watchpack",
+  "devDependencies": {
+    "codecov.io": "^0.1.6",
+    "coveralls": "^3.0.0",
+    "eslint": "^4.18.1",
+    "istanbul": "^0.4.3",
+    "mocha": "^5.0.1",
+    "rimraf": "^2.6.2",
+    "should": "^8.3.1"
+  },
+  "optionalDependencies": {
+    "chokidar": "^3.4.1",
+    "watchpack-chokidar2": "^2.0.1"
+  },
+  "dependencies": {
+    "graceful-fs": "^4.1.2",
+    "neo-async": "^2.5.0",
+    "chokidar": "^3.4.1",
+    "watchpack-chokidar2": "^2.0.1"
+  }
+}
diff --git a/node_modules/webpack-sources/LICENSE b/node_modules/webpack-sources/LICENSE
new file mode 100644
index 00000000..7c6f8955
--- /dev/null
+++ b/node_modules/webpack-sources/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/webpack-sources/README.md b/node_modules/webpack-sources/README.md
new file mode 100644
index 00000000..eabdb37d
--- /dev/null
+++ b/node_modules/webpack-sources/README.md
@@ -0,0 +1,230 @@
+# webpack-sources
+
+Contains multiple classes which represent a `Source`. A `Source` can be asked for source code, size, source map and hash.
+
+## `Source`
+
+Base class for all sources.
+
+### Public methods
+
+All methods should be considered as expensive as they may need to do computations.
+
+#### `source`
+
+``` js
+Source.prototype.source() -> String | ArrayBuffer
+```
+
+Returns the represented source code as string.
+
+#### `size`
+
+``` js
+Source.prototype.size() -> Number
+```
+
+Returns the size in chars of the represented source code.
+
+#### `map`
+
+``` js
+Source.prototype.map(options: Object) -> Object | null
+```
+
+Returns the SourceMap of the represented source code as JSON. May return `null` if no SourceMap is available.
+
+The `options` object can contain the following keys:
+
+* `columns: Boolean` (default `true`): If set to false the implementation may omit mappings for columns.
+* `module: Boolean` (default `true`): If set to false the implementation may omit inner mappings for modules.
+
+#### `sourceAndMap`
+
+``` js
+Source.prototype.sourceAndMap(options: Object) -> {
+	source: String,
+	map: Object
+}
+```
+
+Returns both, source code (like `Source.prototype.source()` and SourceMap (like `Source.prototype.map()`). This method could have better performance than calling `source()` and `map()` separately.
+
+See `map()` for `options`.
+
+#### `updateHash`
+
+``` js
+Source.prototype.updateHash(hash: Hash) -> void
+```
+
+Updates the provided `Hash` object with the content of the represented source code. (`Hash` is an object with an `update` method, which is called with string values)
+
+#### `node` (optional)
+
+``` js
+Source.prototype.node(options: Object) -> SourceNode
+```
+
+This is an optional method. It may be `null` if not implemented.
+
+Returns a `SourceNode` (see source-map library) for the represented source code.
+
+See `map()` for `options`.
+
+#### `listNode` (optional)
+
+``` js
+Source.prototype.listNode(options: Object) -> SourceNode
+```
+
+This is an optional method. It may be `null` if not implemented.
+
+Returns a `SourceListMap` (see source-list-map library) for the represented source code.
+
+See `map()` for `options`.
+
+## `RawSource`
+
+Represents source code without SourceMap.
+
+``` js
+new RawSource(sourceCode: String)
+```
+
+## `OriginalSource`
+
+Represents source code, which is a copy of the original file.
+
+``` js
+new OriginalSource(
+	sourceCode: String,
+	name: String
+)
+```
+
+* `sourceCode`: The source code.
+* `name`: The filename of the original source code.
+
+OriginalSource tries to create column mappings if requested, by splitting the source code at typical statement borders (`;`, `{`, `}`).
+
+## `SourceMapSource`
+
+Represents source code with SourceMap, optionally having an additional SourceMap for the original source.
+
+``` js
+new SourceMapSource(
+	sourceCode: String,
+	name: String,
+	sourceMap: Object | String,
+	originalSource?: String,
+	innerSourceMap?: Object | String,
+	removeOriginalSource?: boolean
+)
+```
+
+* `sourceCode`: The source code.
+* `name`: The filename of the original source code.
+* `sourceMap`: The SourceMap for the source code.
+* `originalSource`: The source code of the original file. Can be omitted if the `sourceMap` already contains the original source code.
+* `innerSourceMap`: The SourceMap for the `originalSource`/`name`.
+* `removeOriginalSource`: Removes the source code for `name` from the final map, keeping only the deeper mappings for that file.
+
+The `SourceMapSource` supports "identity" mappings for the `innerSourceMap`.
+When original source matches generated source for a mapping it's assumed to be mapped char by char allowing to keep finer mappings from `sourceMap`.
+
+## `LineToLineMappedSource`
+
+Represents source code, which is mapped line by line to the original file.
+
+``` js
+new LineToLineMappedSource(
+	sourceCode: String,
+	name: String,
+	originalSource: String
+)
+```
+
+* `sourceCode`: The source code.
+* `name`: The filename of the original source code.
+* `originalSource`: The original source code.
+
+## `CachedSource`
+
+Decorates a `Source` and caches returned results of `map`, `source`, `size` and `sourceAndMap` in memory. Every other operation is delegated to the wrapped `Source`.
+
+``` js
+new CachedSource(source: Source)
+```
+
+## `PrefixSource`
+
+Prefix every line of the decorated `Source` with a provided string.
+
+``` js
+new PrefixSource(
+	prefix: String,
+	source: Source
+)
+```
+
+## `ConcatSource`
+
+Concatenate multiple `Source`s or strings to a single source.
+
+``` js
+new ConcatSource(
+	...items?: Source | String
+)
+```
+
+### Public methods
+
+#### `add`
+
+``` js
+ConcatSource.prototype.add(item: Source | String)
+```
+
+Adds an item to the source.
+
+## `ReplaceSource`
+
+Decorates a `Source` with replacements and insertions of source code.
+
+The `ReplaceSource` supports "identity" mappings for child source.
+When original source matches generated source for a mapping it's assumed to be mapped char by char allowing to split mappings at replacements/insertions.
+
+### Public methods
+
+#### `replace`
+
+``` js
+ReplaceSource.prototype.replace(
+	start: Number,
+	end: Number,
+	replacement: String
+)
+```
+
+Replaces chars from `start` (0-indexed, inclusive) to `end` (0-indexed, inclusive) with `replacement`.
+
+Locations represents locations in the original source and are not influenced by other replacements or insertions.
+
+#### `insert`
+
+``` js
+ReplaceSource.prototype.insert(
+	pos: Number,
+	insertion: String
+)
+```
+
+Inserts the `insertion` before char `pos` (0-indexed).
+
+Location represents location in the original source and is not influenced by other replacements or insertions.
+
+#### `original`
+
+Get decorated `Source`.
+
diff --git a/node_modules/webpack-sources/lib/CachedSource.js b/node_modules/webpack-sources/lib/CachedSource.js
new file mode 100644
index 00000000..08ca5104
--- /dev/null
+++ b/node_modules/webpack-sources/lib/CachedSource.js
@@ -0,0 +1,80 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Source = require("./Source");
+
+class CachedSource extends Source {
+	constructor(source) {
+		super();
+		this._source = source;
+		this._cachedSource = undefined;
+		this._cachedSize = undefined;
+		this._cachedMaps = {};
+
+		if(source.node) this.node = function(options) {
+			return this._source.node(options);
+		};
+
+		if(source.listMap) this.listMap = function(options) {
+			return this._source.listMap(options);
+		};
+	}
+
+	source() {
+		if(typeof this._cachedSource !== "undefined") return this._cachedSource;
+		return this._cachedSource = this._source.source();
+	}
+
+	size() {
+		if(typeof this._cachedSize !== "undefined") return this._cachedSize;
+		if(typeof this._cachedSource !== "undefined") {
+			if(Buffer.from.length === 1) return new Buffer(this._cachedSource).length;
+			return this._cachedSize = Buffer.byteLength(this._cachedSource);
+		}
+		return this._cachedSize = this._source.size();
+	}
+
+	sourceAndMap(options) {
+		const key = JSON.stringify(options);
+		if(typeof this._cachedSource !== "undefined" && key in this._cachedMaps)
+			return {
+				source: this._cachedSource,
+				map: this._cachedMaps[key]
+			};
+		else if(typeof this._cachedSource !== "undefined") {
+			return {
+				source: this._cachedSource,
+				map: this._cachedMaps[key] = this._source.map(options)
+			};
+		} else if(key in this._cachedMaps) {
+			return {
+				source: this._cachedSource = this._source.source(),
+				map: this._cachedMaps[key]
+			};
+		}
+		const result = this._source.sourceAndMap(options);
+		this._cachedSource = result.source;
+		this._cachedMaps[key] = result.map;
+		return {
+			source: this._cachedSource,
+			map: this._cachedMaps[key]
+		};
+	}
+
+	map(options) {
+		if(!options) options = {};
+		const key = JSON.stringify(options);
+		if(key in this._cachedMaps)
+			return this._cachedMaps[key];
+		return this._cachedMaps[key] = this._source.map();
+	}
+
+	updateHash(hash) {
+		this._source.updateHash(hash);
+	}
+}
+
+module.exports = CachedSource;
diff --git a/node_modules/webpack-sources/lib/ConcatSource.js b/node_modules/webpack-sources/lib/ConcatSource.js
new file mode 100644
index 00000000..25167d6e
--- /dev/null
+++ b/node_modules/webpack-sources/lib/ConcatSource.js
@@ -0,0 +1,91 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const SourceNode = require("source-map").SourceNode;
+const SourceListMap = require("source-list-map").SourceListMap;
+const Source = require("./Source");
+
+class ConcatSource extends Source {
+	constructor() {
+		super();
+		this.children = [];
+		for(var i = 0; i < arguments.length; i++) {
+			var item = arguments[i];
+			if(item instanceof ConcatSource) {
+				var children = item.children;
+				for(var j = 0; j < children.length; j++)
+					this.children.push(children[j]);
+			} else {
+				this.children.push(item);
+			}
+		}
+	}
+
+	add(item) {
+		if(item instanceof ConcatSource) {
+			var children = item.children;
+			for(var j = 0; j < children.length; j++)
+				this.children.push(children[j]);
+		} else {
+			this.children.push(item);
+		}
+	}
+
+	source() {
+		let source = "";
+		const children = this.children;
+		for(let i = 0; i < children.length; i++) {
+			const child = children[i];
+			source += typeof child === "string" ? child : child.source();
+		}
+		return source;
+	}
+
+	size() {
+		let size = 0;
+		const children = this.children;
+		for(let i = 0; i < children.length; i++) {
+			const child = children[i];
+			size += typeof child === "string" ? child.length : child.size();
+		}
+		return size;
+	}
+
+	node(options) {
+		const node = new SourceNode(null, null, null, this.children.map(function(item) {
+			return typeof item === "string" ? item : item.node(options);
+		}));
+		return node;
+	}
+
+	listMap(options) {
+		const map = new SourceListMap();
+		var children = this.children;
+		for(var i = 0; i < children.length; i++) {
+			var item = children[i];
+			if(typeof item === "string")
+				map.add(item);
+			else
+				map.add(item.listMap(options));
+		}
+		return map;
+	}
+
+	updateHash(hash) {
+		var children = this.children;
+		for(var i = 0; i < children.length; i++) {
+			var item = children[i];
+			if(typeof item === "string")
+				hash.update(item);
+			else
+				item.updateHash(hash);
+		}
+	}
+}
+
+require("./SourceAndMapMixin")(ConcatSource.prototype);
+
+module.exports = ConcatSource;
diff --git a/node_modules/webpack-sources/lib/LineToLineMappedSource.js b/node_modules/webpack-sources/lib/LineToLineMappedSource.js
new file mode 100644
index 00000000..a1a17bb4
--- /dev/null
+++ b/node_modules/webpack-sources/lib/LineToLineMappedSource.js
@@ -0,0 +1,49 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+var SourceListMap = require("source-list-map").SourceListMap;
+var Source = require("./Source");
+
+class LineToLineMappedSource extends Source {
+	constructor(value, name, originalSource) {
+		super();
+		this._value = value;
+		this._name = name;
+		this._originalSource = originalSource;
+	}
+
+	source() {
+		return this._value;
+	}
+
+	node(options) {
+		var value = this._value;
+		var name = this._name;
+		var lines = value.split("\n");
+		var node = new SourceNode(null, null, null,
+			lines.map(function(line, idx) {
+				return new SourceNode(idx + 1, 0, name, (line + (idx != lines.length - 1 ? "\n" : "")));
+			})
+		);
+		node.setSourceContent(name, this._originalSource);
+		return node;
+	}
+
+	listMap(options) {
+		return new SourceListMap(this._value, this._name, this._originalSource)
+	}
+
+	updateHash(hash) {
+		hash.update(this._value);
+		hash.update(this._originalSource);
+	}
+}
+
+require("./SourceAndMapMixin")(LineToLineMappedSource.prototype);
+
+module.exports = LineToLineMappedSource;
diff --git a/node_modules/webpack-sources/lib/OriginalSource.js b/node_modules/webpack-sources/lib/OriginalSource.js
new file mode 100644
index 00000000..f3b52273
--- /dev/null
+++ b/node_modules/webpack-sources/lib/OriginalSource.js
@@ -0,0 +1,70 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+var SourceListMap = require("source-list-map").SourceListMap;
+var Source = require("./Source");
+
+var SPLIT_REGEX = /(?!$)[^\n\r;{}]*[\n\r;{}]*/g;
+
+function _splitCode(code) {
+	return code.match(SPLIT_REGEX) || [];
+}
+
+class OriginalSource extends Source {
+	constructor(value, name) {
+		super();
+		this._value = value;
+		this._name = name;
+	}
+
+	source() {
+		return this._value;
+	}
+
+	node(options) {
+		options = options || {};
+		var sourceMap = this._sourceMap;
+		var value = this._value;
+		var name = this._name;
+		var lines = value.split("\n");
+		var node = new SourceNode(null, null, null,
+			lines.map(function(line, idx) {
+				var pos = 0;
+				if(options.columns === false) {
+					var content = line + (idx != lines.length - 1 ? "\n" : "");
+					return new SourceNode(idx + 1, 0, name, content);
+				}
+				return new SourceNode(null, null, null,
+					_splitCode(line + (idx != lines.length - 1 ? "\n" : "")).map(function(item) {
+						if(/^\s*$/.test(item)) {
+							pos += item.length;
+							return item;
+						}
+						var res = new SourceNode(idx + 1, pos, name, item);
+						pos += item.length;
+						return res;
+					})
+				);
+			})
+		);
+		node.setSourceContent(name, value);
+		return node;
+	}
+
+	listMap(options) {
+		return new SourceListMap(this._value, this._name, this._value)
+	}
+
+	updateHash(hash) {
+		hash.update(this._value);
+	}
+}
+
+require("./SourceAndMapMixin")(OriginalSource.prototype);
+
+module.exports = OriginalSource;
diff --git a/node_modules/webpack-sources/lib/PrefixSource.js b/node_modules/webpack-sources/lib/PrefixSource.js
new file mode 100644
index 00000000..50fabbe2
--- /dev/null
+++ b/node_modules/webpack-sources/lib/PrefixSource.js
@@ -0,0 +1,95 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var Source = require("./Source");
+var SourceNode = require("source-map").SourceNode;
+
+var REPLACE_REGEX = /\n(?=.|\s)/g;
+
+function cloneAndPrefix(node, prefix, append) {
+	if(typeof node === "string") {
+		var result = node.replace(REPLACE_REGEX, "\n" + prefix);
+		if(append.length > 0) result = append.pop() + result;
+		if(/\n$/.test(node)) append.push(prefix);
+		return result;
+	} else {
+		var newNode = new SourceNode(
+			node.line,
+			node.column,
+			node.source,
+			node.children.map(function(node) {
+				return cloneAndPrefix(node, prefix, append);
+			}),
+			node.name
+		);
+		newNode.sourceContents = node.sourceContents;
+		return newNode;
+	}
+};
+
+class PrefixSource extends Source {
+	constructor(prefix, source) {
+		super();
+		this._source = source;
+		this._prefix = prefix;
+	}
+
+	source() {
+		var node = typeof this._source === "string" ? this._source : this._source.source();
+		var prefix = this._prefix;
+		return prefix + node.replace(REPLACE_REGEX, "\n" + prefix);
+	}
+
+	node(options) {
+		var node = this._source.node(options);
+		var prefix = this._prefix;
+		var output = [];
+		var result = new SourceNode();
+		node.walkSourceContents(function(source, content) {
+			result.setSourceContent(source, content);
+		});
+		var needPrefix = true;
+		node.walk(function(chunk, mapping) {
+			var parts = chunk.split(/(\n)/);
+			for(var i = 0; i < parts.length; i += 2) {
+				var nl = i + 1 < parts.length;
+				var part = parts[i] + (nl ? "\n" : "");
+				if(part) {
+					if(needPrefix) {
+						output.push(prefix);
+					}
+					output.push(new SourceNode(mapping.line, mapping.column, mapping.source, part, mapping.name));
+					needPrefix = nl;
+				}
+			}
+		});
+		result.add(output);
+		return result;
+	}
+
+	listMap(options) {
+		var prefix = this._prefix;
+		var map = this._source.listMap(options);
+		return map.mapGeneratedCode(function(code) {
+			return prefix + code.replace(REPLACE_REGEX, "\n" + prefix);
+		});
+	}
+
+	updateHash(hash) {
+		if(typeof this._source === "string")
+			hash.update(this._source);
+		else
+			this._source.updateHash(hash);
+		if(typeof this._prefix === "string")
+			hash.update(this._prefix);
+		else
+			this._prefix.updateHash(hash);
+	}
+}
+
+require("./SourceAndMapMixin")(PrefixSource.prototype);
+
+module.exports = PrefixSource;
diff --git a/node_modules/webpack-sources/lib/RawSource.js b/node_modules/webpack-sources/lib/RawSource.js
new file mode 100644
index 00000000..c09b1cd9
--- /dev/null
+++ b/node_modules/webpack-sources/lib/RawSource.js
@@ -0,0 +1,38 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var Source = require("./Source");
+var SourceNode = require("source-map").SourceNode;
+var SourceListMap = require("source-list-map").SourceListMap;
+
+class RawSource extends Source {
+	constructor(value) {
+		super();
+		this._value = value;
+	}
+
+	source() {
+		return this._value;
+	}
+
+	map(options) {
+		return null;
+	}
+
+	node(options) {
+		return new SourceNode(null, null, null, this._value);
+	}
+
+	listMap(options) {
+		return new SourceListMap(this._value);
+	}
+
+	updateHash(hash) {
+		hash.update(this._value);
+	}
+}
+
+module.exports = RawSource;
diff --git a/node_modules/webpack-sources/lib/ReplaceSource.js b/node_modules/webpack-sources/lib/ReplaceSource.js
new file mode 100644
index 00000000..d7a7f2a4
--- /dev/null
+++ b/node_modules/webpack-sources/lib/ReplaceSource.js
@@ -0,0 +1,330 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var Source = require("./Source");
+var SourceNode = require("source-map").SourceNode;
+
+class Replacement {
+	constructor(start, end, content, insertIndex, name) {
+		this.start = start;
+		this.end = end;
+		this.content = content;
+		this.insertIndex = insertIndex;
+		this.name = name;
+	}
+}
+
+class ReplaceSource extends Source {
+	constructor(source, name) {
+		super();
+		this._source = source;
+		this._name = name;
+		/** @type {Replacement[]} */
+		this.replacements = [];
+	}
+
+	replace(start, end, newValue, name) {
+		if(typeof newValue !== "string")
+			throw new Error("insertion must be a string, but is a " + typeof newValue);
+		this.replacements.push(new Replacement(start, end, newValue, this.replacements.length, name));
+	}
+
+	insert(pos, newValue, name) {
+		if(typeof newValue !== "string")
+			throw new Error("insertion must be a string, but is a " + typeof newValue + ": " + newValue);
+		this.replacements.push(new Replacement(pos, pos - 1, newValue, this.replacements.length, name));
+	}
+
+	source(options) {
+		return this._replaceString(this._source.source());
+	}
+
+	original() {
+		return this._source;
+	}
+
+	_sortReplacements() {
+		this.replacements.sort(function(a, b) {
+			var diff = b.end - a.end;
+			if(diff !== 0)
+				return diff;
+			diff = b.start - a.start;
+			if(diff !== 0)
+				return diff;
+			return b.insertIndex - a.insertIndex;
+		});
+	}
+
+	_replaceString(str) {
+		if(typeof str !== "string")
+			throw new Error("str must be a string, but is a " + typeof str + ": " + str);
+		this._sortReplacements();
+		var result = [str];
+		this.replacements.forEach(function(repl) {
+			var remSource = result.pop();
+			var splitted1 = this._splitString(remSource, Math.floor(repl.end + 1));
+			var splitted2 = this._splitString(splitted1[0], Math.floor(repl.start));
+			result.push(splitted1[1], repl.content, splitted2[0]);
+		}, this);
+
+		// write out result array in reverse order
+		let resultStr = "";
+		for(let i = result.length - 1; i >= 0; --i) {
+			resultStr += result[i];
+		}
+		return resultStr;
+	}
+
+	node(options) {
+		var node = this._source.node(options);
+		if(this.replacements.length === 0) {
+			return node;
+		}
+		this._sortReplacements();
+		var replace = new ReplacementEnumerator(this.replacements);
+		var output = [];
+		var position = 0;
+		var sources = Object.create(null);
+		var sourcesInLines = Object.create(null);
+
+		// We build a new list of SourceNodes in "output"
+		// from the original mapping data
+
+		var result = new SourceNode();
+
+		// We need to add source contents manually
+		// because "walk" will not handle it
+		node.walkSourceContents(function(sourceFile, sourceContent) {
+			result.setSourceContent(sourceFile, sourceContent);
+			sources["$" + sourceFile] = sourceContent;
+		});
+
+		var replaceInStringNode = this._replaceInStringNode.bind(this, output, replace, function getOriginalSource(mapping) {
+			var key = "$" + mapping.source;
+			var lines = sourcesInLines[key];
+			if(!lines) {
+				var source = sources[key];
+				if(!source) return null;
+				lines = source.split("\n").map(function(line) {
+					return line + "\n";
+				});
+				sourcesInLines[key] = lines;
+			}
+			// line is 1-based
+			if(mapping.line > lines.length) return null;
+			var line = lines[mapping.line - 1];
+			return line.substr(mapping.column);
+		});
+
+		node.walk(function(chunk, mapping) {
+			position = replaceInStringNode(chunk, position, mapping);
+		});
+
+		// If any replacements occur after the end of the original file, then we append them
+		// directly to the end of the output
+		var remaining = replace.footer();
+		if(remaining) {
+			output.push(remaining);
+		}
+
+		result.add(output);
+
+		return result;
+	}
+
+	listMap(options) {
+		this._sortReplacements();
+		var map = this._source.listMap(options);
+		var currentIndex = 0;
+		var replacements = this.replacements;
+		var idxReplacement = replacements.length - 1;
+		var removeChars = 0;
+		map = map.mapGeneratedCode(function(str) {
+			var newCurrentIndex = currentIndex + str.length;
+			if(removeChars > str.length) {
+				removeChars -= str.length;
+				str = "";
+			} else {
+				if(removeChars > 0) {
+					str = str.substr(removeChars);
+					currentIndex += removeChars;
+					removeChars = 0;
+				}
+				var finalStr = "";
+				while(idxReplacement >= 0 && replacements[idxReplacement].start < newCurrentIndex) {
+					var repl = replacements[idxReplacement];
+					var start = Math.floor(repl.start);
+					var end = Math.floor(repl.end + 1);
+					var before = str.substr(0, Math.max(0, start - currentIndex));
+					if(end <= newCurrentIndex) {
+						var after = str.substr(Math.max(0, end - currentIndex));
+						finalStr += before + repl.content;
+						str = after;
+						currentIndex = Math.max(currentIndex, end);
+					} else {
+						finalStr += before + repl.content;
+						str = "";
+						removeChars = end - newCurrentIndex;
+					}
+					idxReplacement--;
+				}
+				str = finalStr + str;
+			}
+			currentIndex = newCurrentIndex;
+			return str;
+		});
+		var extraCode = "";
+		while(idxReplacement >= 0) {
+			extraCode += replacements[idxReplacement].content;
+			idxReplacement--;
+		}
+		if(extraCode) {
+			map.add(extraCode);
+		}
+		return map;
+	}
+
+	_splitString(str, position) {
+		return position <= 0 ? ["", str] : [str.substr(0, position), str.substr(position)];
+	}
+
+	_replaceInStringNode(output, replace, getOriginalSource, node, position, mapping) {
+		var original = undefined;
+
+		do {
+			var splitPosition = replace.position - position;
+			// If multiple replaces occur in the same location then the splitPosition may be
+			// before the current position for the subsequent splits. Ensure it is >= 0
+			if(splitPosition < 0) {
+				splitPosition = 0;
+			}
+			if(splitPosition >= node.length || replace.done) {
+				if(replace.emit) {
+					var nodeEnd = new SourceNode(
+						mapping.line,
+						mapping.column,
+						mapping.source,
+						node,
+						mapping.name
+					);
+					output.push(nodeEnd);
+				}
+				return position + node.length;
+			}
+
+			var originalColumn = mapping.column;
+
+			// Try to figure out if generated code matches original code of this segement
+			// If this is the case we assume that it's allowed to move mapping.column
+			// Because getOriginalSource can be expensive we only do it when neccessary
+
+			var nodePart;
+			if(splitPosition > 0) {
+				nodePart = node.slice(0, splitPosition);
+				if(original === undefined) {
+					original = getOriginalSource(mapping);
+				}
+				if(original && original.length >= splitPosition && original.startsWith(nodePart)) {
+					mapping.column += splitPosition;
+					original = original.substr(splitPosition);
+				}
+			}
+
+			var emit = replace.next();
+			if(!emit) {
+				// Stop emitting when we have found the beginning of the string to replace.
+				// Emit the part of the string before splitPosition
+				if(splitPosition > 0) {
+					var nodeStart = new SourceNode(
+						mapping.line,
+						originalColumn,
+						mapping.source,
+						nodePart,
+						mapping.name
+					);
+					output.push(nodeStart);
+				}
+
+				// Emit the replacement value
+				if(replace.value) {
+					output.push(new SourceNode(
+						mapping.line,
+						mapping.column,
+						mapping.source,
+						replace.value,
+						mapping.name || replace.name
+					));
+				}
+			}
+
+			// Recurse with remainder of the string as there may be multiple replaces within a single node
+			node = node.substr(splitPosition);
+			position += splitPosition;
+		} while (true);
+	}
+}
+
+class ReplacementEnumerator {
+	/**
+	 * @param {Replacement[]} replacements list of replacements
+	 */
+	constructor(replacements) {
+		this.replacements = replacements || [];
+		this.index = this.replacements.length;
+		this.done = false;
+		this.emit = false;
+		// Set initial start position
+		this.next();
+	}
+
+	next() {
+		if(this.done)
+			return true;
+		if(this.emit) {
+			// Start point found. stop emitting. set position to find end
+			var repl = this.replacements[this.index];
+			var end = Math.floor(repl.end + 1);
+			this.position = end;
+			this.value = repl.content;
+			this.name = repl.name;
+		} else {
+			// End point found. start emitting. set position to find next start
+			this.index--;
+			if(this.index < 0) {
+				this.done = true;
+			} else {
+				var nextRepl = this.replacements[this.index];
+				var start = Math.floor(nextRepl.start);
+				this.position = start;
+			}
+		}
+		if(this.position < 0)
+			this.position = 0;
+		this.emit = !this.emit;
+		return this.emit;
+	}
+
+	footer() {
+		if(!this.done && !this.emit)
+			this.next(); // If we finished _replaceInNode mid emit we advance to next entry
+		if(this.done) {
+			return [];
+		} else {
+			var resultStr = "";
+			for(var i = this.index; i >= 0; i--) {
+				var repl = this.replacements[i];
+				// this doesn't need to handle repl.name, because in SourceMaps generated code
+				// without pointer to original source can't have a name
+				resultStr += repl.content;
+			}
+			return resultStr;
+		}
+	}
+}
+
+require("./SourceAndMapMixin")(ReplaceSource.prototype);
+
+module.exports = ReplaceSource;
diff --git a/node_modules/webpack-sources/lib/Source.js b/node_modules/webpack-sources/lib/Source.js
new file mode 100644
index 00000000..f9b8f6b5
--- /dev/null
+++ b/node_modules/webpack-sources/lib/Source.js
@@ -0,0 +1,46 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+
+class Source {
+
+	source() {
+		throw new Error("Abstract");
+	}
+
+	size() {
+		if(Buffer.from.length === 1) return new Buffer(this.source()).length;
+		return Buffer.byteLength(this.source())
+	}
+
+	map(options) {
+		return null;
+	}
+
+	sourceAndMap(options) {
+		return {
+			source: this.source(),
+			map: this.map()
+		};
+	}
+
+	node() {
+		throw new Error("Abstract");
+	}
+
+	listNode() {
+		throw new Error("Abstract");
+	}
+
+	updateHash(hash) {
+		var source = this.source();
+		hash.update(source || "");
+	}
+}
+
+module.exports = Source;
diff --git a/node_modules/webpack-sources/lib/SourceAndMapMixin.js b/node_modules/webpack-sources/lib/SourceAndMapMixin.js
new file mode 100644
index 00000000..cf1aa585
--- /dev/null
+++ b/node_modules/webpack-sources/lib/SourceAndMapMixin.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = function mixinSourceAndMap(proto) {
+	proto.map = function(options) {
+		options = options || {};
+		if(options.columns === false) {
+			return this.listMap(options).toStringWithSourceMap({
+				file: "x"
+			}).map;
+		}
+
+		return this.node(options).toStringWithSourceMap({
+			file: "x"
+		}).map.toJSON();
+	};
+
+	proto.sourceAndMap = function(options) {
+		options = options || {};
+		if(options.columns === false) {
+			return this.listMap(options).toStringWithSourceMap({
+				file: "x"
+			});
+		}
+
+		var res = this.node(options).toStringWithSourceMap({
+			file: "x"
+		});
+		return {
+			source: res.code,
+			map: res.map.toJSON()
+		};
+	};
+}
diff --git a/node_modules/webpack-sources/lib/SourceMapSource.js b/node_modules/webpack-sources/lib/SourceMapSource.js
new file mode 100644
index 00000000..cabf7c8a
--- /dev/null
+++ b/node_modules/webpack-sources/lib/SourceMapSource.js
@@ -0,0 +1,57 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+var SourceMapGenerator = require("source-map").SourceMapGenerator;
+var SourceListMap = require("source-list-map").SourceListMap;
+var fromStringWithSourceMap = require("source-list-map").fromStringWithSourceMap;
+var Source = require("./Source");
+var applySourceMap = require("./applySourceMap");
+
+class SourceMapSource extends Source {
+	constructor(value, name, sourceMap, originalSource, innerSourceMap, removeOriginalSource) {
+		super();
+		this._value = value;
+		this._name = name;
+		this._sourceMap = sourceMap;
+		this._originalSource = originalSource;
+		this._innerSourceMap = innerSourceMap;
+		this._removeOriginalSource = removeOriginalSource;
+	}
+
+	source() {
+		return this._value;
+	}
+
+	node(options) {
+		var sourceMap = this._sourceMap;
+		var node = SourceNode.fromStringWithSourceMap(this._value, new SourceMapConsumer(sourceMap));
+		node.setSourceContent(this._name, this._originalSource);
+		var innerSourceMap = this._innerSourceMap;
+		if(innerSourceMap) {
+			node = applySourceMap(node, new SourceMapConsumer(innerSourceMap), this._name, this._removeOriginalSource);
+		}
+		return node;
+	}
+
+	listMap(options) {
+		options = options || {};
+		if(options.module === false)
+			return new SourceListMap(this._value, this._name, this._value);
+		return fromStringWithSourceMap(this._value, typeof this._sourceMap === "string" ? JSON.parse(this._sourceMap) : this._sourceMap);
+	}
+
+	updateHash(hash) {
+		hash.update(this._value);
+		if(this._originalSource)
+			hash.update(this._originalSource);
+	}
+}
+
+require("./SourceAndMapMixin")(SourceMapSource.prototype);
+
+module.exports = SourceMapSource;
diff --git a/node_modules/webpack-sources/lib/applySourceMap.js b/node_modules/webpack-sources/lib/applySourceMap.js
new file mode 100644
index 00000000..9696f4be
--- /dev/null
+++ b/node_modules/webpack-sources/lib/applySourceMap.js
@@ -0,0 +1,185 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+
+var applySourceMap = function(
+	sourceNode,
+	sourceMapConsumer,
+	sourceFile,
+	removeGeneratedCodeForSourceFile
+) {
+	// The following notations are used to name stuff:
+	// Left <------------> Middle <-------------------> Right
+	// Input arguments:
+	//        sourceNode                                       - Code mapping from Left to Middle
+	//                   sourceFile                            - Name of a Middle file
+	//                              sourceMapConsumer          - Code mapping from Middle to Right
+	// Variables:
+	//           l2m                      m2r
+	// Left <-----------------------------------------> Right
+	// Variables:
+	//                       l2r
+
+	var l2rResult = new SourceNode();
+	var l2rOutput = [];
+
+	var middleSourceContents = {};
+
+	var m2rMappingsByLine = {};
+
+	var rightSourceContentsSet = {};
+	var rightSourceContentsLines = {};
+
+	// Store all mappings by generated line
+	sourceMapConsumer.eachMapping(
+		function(mapping) {
+			(m2rMappingsByLine[mapping.generatedLine] =
+				m2rMappingsByLine[mapping.generatedLine] || []).push(mapping);
+		},
+		null,
+		SourceMapConsumer.GENERATED_ORDER
+	);
+
+	// Store all source contents
+	sourceNode.walkSourceContents(function(source, content) {
+		middleSourceContents["$" + source] = content;
+	});
+
+	var middleSource = middleSourceContents["$" + sourceFile];
+	var middleSourceLines = middleSource ? middleSource.split("\n") : undefined;
+
+	// Walk all left to middle mappings
+	sourceNode.walk(function(chunk, middleMapping) {
+		var source;
+
+		// Find a mapping from middle to right
+		if(
+			middleMapping.source === sourceFile &&
+			middleMapping.line &&
+			m2rMappingsByLine[middleMapping.line]
+		) {
+			var m2rBestFit;
+			var m2rMappings = m2rMappingsByLine[middleMapping.line];
+			// Note: if this becomes a performance problem, use binary search
+			for(var i = 0; i < m2rMappings.length; i++) {
+				if(m2rMappings[i].generatedColumn <= middleMapping.column) {
+					m2rBestFit = m2rMappings[i];
+				}
+			}
+			if(m2rBestFit) {
+				var allowMiddleName = false;
+				var middleLine;
+				var rightSourceContent;
+				var rightSourceContentLines;
+				var rightSource = m2rBestFit.source;
+				// Check if we have middle and right source for this mapping
+				// Then we could have an "identify" mapping
+				if(
+					middleSourceLines &&
+					rightSource &&
+					(middleLine = middleSourceLines[m2rBestFit.generatedLine - 1]) &&
+					((rightSourceContentLines = rightSourceContentsLines[rightSource]) ||
+						(rightSourceContent = sourceMapConsumer.sourceContentFor(
+							rightSource,
+							true
+						)))
+				) {
+					if(!rightSourceContentLines) {
+						rightSourceContentLines = rightSourceContentsLines[
+							rightSource
+						] = rightSourceContent.split("\n");
+					}
+					var rightLine = rightSourceContentLines[m2rBestFit.originalLine - 1];
+					if(rightLine) {
+						var offset = middleMapping.column - m2rBestFit.generatedColumn;
+						if(offset > 0) {
+							var middlePart = middleLine.slice(
+								m2rBestFit.generatedColumn,
+								middleMapping.column
+							);
+							var rightPart = rightLine.slice(
+								m2rBestFit.originalColumn,
+								m2rBestFit.originalColumn + offset
+							);
+							if(middlePart === rightPart) {
+								// When original and generated code is equal we assume we have an "identity" mapping
+								// In this case we can offset the original position
+								m2rBestFit = Object.assign({}, m2rBestFit, {
+									originalColumn: m2rBestFit.originalColumn + offset,
+									generatedColumn: middleMapping.column
+								});
+							}
+						}
+						if(!m2rBestFit.name && middleMapping.name) {
+							allowMiddleName =
+								rightLine.slice(
+									m2rBestFit.originalColumn,
+									m2rBestFit.originalColumn + middleMapping.name.length
+								) === middleMapping.name;
+						}
+					}
+				}
+
+				// Construct a left to right node from the found middle to right mapping
+				source = m2rBestFit.source;
+				l2rOutput.push(
+					new SourceNode(
+						m2rBestFit.originalLine,
+						m2rBestFit.originalColumn,
+						source,
+						chunk,
+						allowMiddleName ? middleMapping.name : m2rBestFit.name
+					)
+				);
+
+				// Set the source contents once
+				if(!("$" + source in rightSourceContentsSet)) {
+					rightSourceContentsSet["$" + source] = true;
+					var sourceContent = sourceMapConsumer.sourceContentFor(source, true);
+					if(sourceContent) {
+						l2rResult.setSourceContent(source, sourceContent);
+					}
+				}
+				return;
+			}
+		}
+
+		if((removeGeneratedCodeForSourceFile && middleMapping.source === sourceFile) || !middleMapping.source) {
+			// Construct a left to middle node with only generated code
+			// Because user do not want mappings to middle sources
+			// Or this chunk has no mapping
+			l2rOutput.push(chunk);
+			return;
+		}
+
+		// Construct a left to middle node
+		source = middleMapping.source;
+		l2rOutput.push(
+			new SourceNode(
+				middleMapping.line,
+				middleMapping.column,
+				source,
+				chunk,
+				middleMapping.name
+			)
+		);
+		if("$" + source in middleSourceContents) {
+			if(!("$" + source in rightSourceContentsSet)) {
+				l2rResult.setSourceContent(source, middleSourceContents["$" + source]);
+				delete middleSourceContents["$" + source];
+			}
+		}
+	});
+
+	// Put output into the resulting SourceNode
+	l2rResult.add(l2rOutput);
+	return l2rResult;
+};
+
+module.exports = applySourceMap;
diff --git a/node_modules/webpack-sources/lib/index.js b/node_modules/webpack-sources/lib/index.js
new file mode 100644
index 00000000..f404c29d
--- /dev/null
+++ b/node_modules/webpack-sources/lib/index.js
@@ -0,0 +1,15 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+exports.Source = require("./Source");
+
+exports.RawSource = require("./RawSource");
+exports.OriginalSource = require("./OriginalSource");
+exports.SourceMapSource = require("./SourceMapSource");
+exports.LineToLineMappedSource = require("./LineToLineMappedSource");
+
+exports.CachedSource = require("./CachedSource");
+exports.ConcatSource = require("./ConcatSource");
+exports.ReplaceSource = require("./ReplaceSource");
+exports.PrefixSource = require("./PrefixSource");
diff --git a/node_modules/webpack-sources/node_modules/source-map/CHANGELOG.md b/node_modules/webpack-sources/node_modules/source-map/CHANGELOG.md
new file mode 100644
index 00000000..3a8c066c
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/CHANGELOG.md
@@ -0,0 +1,301 @@
+# Change Log
+
+## 0.5.6
+
+* Fix for regression when people were using numbers as names in source maps. See
+  #236.
+
+## 0.5.5
+
+* Fix "regression" of unsupported, implementation behavior that half the world
+  happens to have come to depend on. See #235.
+
+* Fix regression involving function hoisting in SpiderMonkey. See #233.
+
+## 0.5.4
+
+* Large performance improvements to source-map serialization. See #228 and #229.
+
+## 0.5.3
+
+* Do not include unnecessary distribution files. See
+  commit ef7006f8d1647e0a83fdc60f04f5a7ca54886f86.
+
+## 0.5.2
+
+* Include browser distributions of the library in package.json's `files`. See
+  issue #212.
+
+## 0.5.1
+
+* Fix latent bugs in IndexedSourceMapConsumer.prototype._parseMappings. See
+  ff05274becc9e6e1295ed60f3ea090d31d843379.
+
+## 0.5.0
+
+* Node 0.8 is no longer supported.
+
+* Use webpack instead of dryice for bundling.
+
+* Big speedups serializing source maps. See pull request #203.
+
+* Fix a bug with `SourceMapConsumer.prototype.sourceContentFor` and sources that
+  explicitly start with the source root. See issue #199.
+
+## 0.4.4
+
+* Fix an issue where using a `SourceMapGenerator` after having created a
+  `SourceMapConsumer` from it via `SourceMapConsumer.fromSourceMap` failed. See
+  issue #191.
+
+* Fix an issue with where `SourceMapGenerator` would mistakenly consider
+  different mappings as duplicates of each other and avoid generating them. See
+  issue #192.
+
+## 0.4.3
+
+* A very large number of performance improvements, particularly when parsing
+  source maps. Collectively about 75% of time shaved off of the source map
+  parsing benchmark!
+
+* Fix a bug in `SourceMapConsumer.prototype.allGeneratedPositionsFor` and fuzzy
+  searching in the presence of a column option. See issue #177.
+
+* Fix a bug with joining a source and its source root when the source is above
+  the root. See issue #182.
+
+* Add the `SourceMapConsumer.prototype.hasContentsOfAllSources` method to
+  determine when all sources' contents are inlined into the source map. See
+  issue #190.
+
+## 0.4.2
+
+* Add an `.npmignore` file so that the benchmarks aren't pulled down by
+  dependent projects. Issue #169.
+
+* Add an optional `column` argument to
+  `SourceMapConsumer.prototype.allGeneratedPositionsFor` and better handle lines
+  with no mappings. Issues #172 and #173.
+
+## 0.4.1
+
+* Fix accidentally defining a global variable. #170.
+
+## 0.4.0
+
+* The default direction for fuzzy searching was changed back to its original
+  direction. See #164.
+
+* There is now a `bias` option you can supply to `SourceMapConsumer` to control
+  the fuzzy searching direction. See #167.
+
+* About an 8% speed up in parsing source maps. See #159.
+
+* Added a benchmark for parsing and generating source maps.
+
+## 0.3.0
+
+* Change the default direction that searching for positions fuzzes when there is
+  not an exact match. See #154.
+
+* Support for environments using json2.js for JSON serialization. See #156.
+
+## 0.2.0
+
+* Support for consuming "indexed" source maps which do not have any remote
+  sections. See pull request #127. This introduces a minor backwards
+  incompatibility if you are monkey patching `SourceMapConsumer.prototype`
+  methods.
+
+## 0.1.43
+
+* Performance improvements for `SourceMapGenerator` and `SourceNode`. See issue
+  #148 for some discussion and issues #150, #151, and #152 for implementations.
+
+## 0.1.42
+
+* Fix an issue where `SourceNode`s from different versions of the source-map
+  library couldn't be used in conjunction with each other. See issue #142.
+
+## 0.1.41
+
+* Fix a bug with getting the source content of relative sources with a "./"
+  prefix. See issue #145 and [Bug 1090768](bugzil.la/1090768).
+
+* Add the `SourceMapConsumer.prototype.computeColumnSpans` method to compute the
+  column span of each mapping.
+
+* Add the `SourceMapConsumer.prototype.allGeneratedPositionsFor` method to find
+  all generated positions associated with a given original source and line.
+
+## 0.1.40
+
+* Performance improvements for parsing source maps in SourceMapConsumer.
+
+## 0.1.39
+
+* Fix a bug where setting a source's contents to null before any source content
+  had been set before threw a TypeError. See issue #131.
+
+## 0.1.38
+
+* Fix a bug where finding relative paths from an empty path were creating
+  absolute paths. See issue #129.
+
+## 0.1.37
+
+* Fix a bug where if the source root was an empty string, relative source paths
+  would turn into absolute source paths. Issue #124.
+
+## 0.1.36
+
+* Allow the `names` mapping property to be an empty string. Issue #121.
+
+## 0.1.35
+
+* A third optional parameter was added to `SourceNode.fromStringWithSourceMap`
+  to specify a path that relative sources in the second parameter should be
+  relative to. Issue #105.
+
+* If no file property is given to a `SourceMapGenerator`, then the resulting
+  source map will no longer have a `null` file property. The property will
+  simply not exist. Issue #104.
+
+* Fixed a bug where consecutive newlines were ignored in `SourceNode`s.
+  Issue #116.
+
+## 0.1.34
+
+* Make `SourceNode` work with windows style ("\r\n") newlines. Issue #103.
+
+* Fix bug involving source contents and the
+  `SourceMapGenerator.prototype.applySourceMap`. Issue #100.
+
+## 0.1.33
+
+* Fix some edge cases surrounding path joining and URL resolution.
+
+* Add a third parameter for relative path to
+  `SourceMapGenerator.prototype.applySourceMap`.
+
+* Fix issues with mappings and EOLs.
+
+## 0.1.32
+
+* Fixed a bug where SourceMapConsumer couldn't handle negative relative columns
+  (issue 92).
+
+* Fixed test runner to actually report number of failed tests as its process
+  exit code.
+
+* Fixed a typo when reporting bad mappings (issue 87).
+
+## 0.1.31
+
+* Delay parsing the mappings in SourceMapConsumer until queried for a source
+  location.
+
+* Support Sass source maps (which at the time of writing deviate from the spec
+  in small ways) in SourceMapConsumer.
+
+## 0.1.30
+
+* Do not join source root with a source, when the source is a data URI.
+
+* Extend the test runner to allow running single specific test files at a time.
+
+* Performance improvements in `SourceNode.prototype.walk` and
+  `SourceMapConsumer.prototype.eachMapping`.
+
+* Source map browser builds will now work inside Workers.
+
+* Better error messages when attempting to add an invalid mapping to a
+  `SourceMapGenerator`.
+
+## 0.1.29
+
+* Allow duplicate entries in the `names` and `sources` arrays of source maps
+  (usually from TypeScript) we are parsing. Fixes github issue 72.
+
+## 0.1.28
+
+* Skip duplicate mappings when creating source maps from SourceNode; github
+  issue 75.
+
+## 0.1.27
+
+* Don't throw an error when the `file` property is missing in SourceMapConsumer,
+  we don't use it anyway.
+
+## 0.1.26
+
+* Fix SourceNode.fromStringWithSourceMap for empty maps. Fixes github issue 70.
+
+## 0.1.25
+
+* Make compatible with browserify
+
+## 0.1.24
+
+* Fix issue with absolute paths and `file://` URIs. See
+  https://bugzilla.mozilla.org/show_bug.cgi?id=885597
+
+## 0.1.23
+
+* Fix issue with absolute paths and sourcesContent, github issue 64.
+
+## 0.1.22
+
+* Ignore duplicate mappings in SourceMapGenerator. Fixes github issue 21.
+
+## 0.1.21
+
+* Fixed handling of sources that start with a slash so that they are relative to
+  the source root's host.
+
+## 0.1.20
+
+* Fixed github issue #43: absolute URLs aren't joined with the source root
+  anymore.
+
+## 0.1.19
+
+* Using Travis CI to run tests.
+
+## 0.1.18
+
+* Fixed a bug in the handling of sourceRoot.
+
+## 0.1.17
+
+* Added SourceNode.fromStringWithSourceMap.
+
+## 0.1.16
+
+* Added missing documentation.
+
+* Fixed the generating of empty mappings in SourceNode.
+
+## 0.1.15
+
+* Added SourceMapGenerator.applySourceMap.
+
+## 0.1.14
+
+* The sourceRoot is now handled consistently.
+
+## 0.1.13
+
+* Added SourceMapGenerator.fromSourceMap.
+
+## 0.1.12
+
+* SourceNode now generates empty mappings too.
+
+## 0.1.11
+
+* Added name support to SourceNode.
+
+## 0.1.10
+
+* Added sourcesContent support to the customer and generator.
diff --git a/node_modules/webpack-sources/node_modules/source-map/LICENSE b/node_modules/webpack-sources/node_modules/source-map/LICENSE
new file mode 100644
index 00000000..ed1b7cf2
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/LICENSE
@@ -0,0 +1,28 @@
+
+Copyright (c) 2009-2011, Mozilla Foundation and contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the names of the Mozilla Foundation nor the names of project
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/webpack-sources/node_modules/source-map/README.md b/node_modules/webpack-sources/node_modules/source-map/README.md
new file mode 100644
index 00000000..fea4beb1
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/README.md
@@ -0,0 +1,742 @@
+# Source Map
+
+[![Build Status](https://travis-ci.org/mozilla/source-map.png?branch=master)](https://travis-ci.org/mozilla/source-map)
+
+[![NPM](https://nodei.co/npm/source-map.png?downloads=true&downloadRank=true)](https://www.npmjs.com/package/source-map)
+
+This is a library to generate and consume the source map format
+[described here][format].
+
+[format]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+
+## Use with Node
+
+    $ npm install source-map
+
+## Use on the Web
+
+    <script src="https://raw.githubusercontent.com/mozilla/source-map/master/dist/source-map.min.js" defer></script>
+
+--------------------------------------------------------------------------------
+
+<!-- `npm run toc` to regenerate the Table of Contents -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Examples](#examples)
+  - [Consuming a source map](#consuming-a-source-map)
+  - [Generating a source map](#generating-a-source-map)
+    - [With SourceNode (high level API)](#with-sourcenode-high-level-api)
+    - [With SourceMapGenerator (low level API)](#with-sourcemapgenerator-low-level-api)
+- [API](#api)
+  - [SourceMapConsumer](#sourcemapconsumer)
+    - [new SourceMapConsumer(rawSourceMap)](#new-sourcemapconsumerrawsourcemap)
+    - [SourceMapConsumer.prototype.computeColumnSpans()](#sourcemapconsumerprototypecomputecolumnspans)
+    - [SourceMapConsumer.prototype.originalPositionFor(generatedPosition)](#sourcemapconsumerprototypeoriginalpositionforgeneratedposition)
+    - [SourceMapConsumer.prototype.generatedPositionFor(originalPosition)](#sourcemapconsumerprototypegeneratedpositionfororiginalposition)
+    - [SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)](#sourcemapconsumerprototypeallgeneratedpositionsfororiginalposition)
+    - [SourceMapConsumer.prototype.hasContentsOfAllSources()](#sourcemapconsumerprototypehascontentsofallsources)
+    - [SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])](#sourcemapconsumerprototypesourcecontentforsource-returnnullonmissing)
+    - [SourceMapConsumer.prototype.eachMapping(callback, context, order)](#sourcemapconsumerprototypeeachmappingcallback-context-order)
+  - [SourceMapGenerator](#sourcemapgenerator)
+    - [new SourceMapGenerator([startOfSourceMap])](#new-sourcemapgeneratorstartofsourcemap)
+    - [SourceMapGenerator.fromSourceMap(sourceMapConsumer)](#sourcemapgeneratorfromsourcemapsourcemapconsumer)
+    - [SourceMapGenerator.prototype.addMapping(mapping)](#sourcemapgeneratorprototypeaddmappingmapping)
+    - [SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)](#sourcemapgeneratorprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])](#sourcemapgeneratorprototypeapplysourcemapsourcemapconsumer-sourcefile-sourcemappath)
+    - [SourceMapGenerator.prototype.toString()](#sourcemapgeneratorprototypetostring)
+  - [SourceNode](#sourcenode)
+    - [new SourceNode([line, column, source[, chunk[, name]]])](#new-sourcenodeline-column-source-chunk-name)
+    - [SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])](#sourcenodefromstringwithsourcemapcode-sourcemapconsumer-relativepath)
+    - [SourceNode.prototype.add(chunk)](#sourcenodeprototypeaddchunk)
+    - [SourceNode.prototype.prepend(chunk)](#sourcenodeprototypeprependchunk)
+    - [SourceNode.prototype.setSourceContent(sourceFile, sourceContent)](#sourcenodeprototypesetsourcecontentsourcefile-sourcecontent)
+    - [SourceNode.prototype.walk(fn)](#sourcenodeprototypewalkfn)
+    - [SourceNode.prototype.walkSourceContents(fn)](#sourcenodeprototypewalksourcecontentsfn)
+    - [SourceNode.prototype.join(sep)](#sourcenodeprototypejoinsep)
+    - [SourceNode.prototype.replaceRight(pattern, replacement)](#sourcenodeprototypereplacerightpattern-replacement)
+    - [SourceNode.prototype.toString()](#sourcenodeprototypetostring)
+    - [SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])](#sourcenodeprototypetostringwithsourcemapstartofsourcemap)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## Examples
+
+### Consuming a source map
+
+```js
+var rawSourceMap = {
+  version: 3,
+  file: 'min.js',
+  names: ['bar', 'baz', 'n'],
+  sources: ['one.js', 'two.js'],
+  sourceRoot: 'http://example.com/www/js/',
+  mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
+};
+
+var smc = new SourceMapConsumer(rawSourceMap);
+
+console.log(smc.sources);
+// [ 'http://example.com/www/js/one.js',
+//   'http://example.com/www/js/two.js' ]
+
+console.log(smc.originalPositionFor({
+  line: 2,
+  column: 28
+}));
+// { source: 'http://example.com/www/js/two.js',
+//   line: 2,
+//   column: 10,
+//   name: 'n' }
+
+console.log(smc.generatedPositionFor({
+  source: 'http://example.com/www/js/two.js',
+  line: 2,
+  column: 10
+}));
+// { line: 2, column: 28 }
+
+smc.eachMapping(function (m) {
+  // ...
+});
+```
+
+### Generating a source map
+
+In depth guide:
+[**Compiling to JavaScript, and Debugging with Source Maps**](https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/)
+
+#### With SourceNode (high level API)
+
+```js
+function compile(ast) {
+  switch (ast.type) {
+  case 'BinaryExpression':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      [compile(ast.left), " + ", compile(ast.right)]
+    );
+  case 'Literal':
+    return new SourceNode(
+      ast.location.line,
+      ast.location.column,
+      ast.location.source,
+      String(ast.value)
+    );
+  // ...
+  default:
+    throw new Error("Bad AST");
+  }
+}
+
+var ast = parse("40 + 2", "add.js");
+console.log(compile(ast).toStringWithSourceMap({
+  file: 'add.js'
+}));
+// { code: '40 + 2',
+//   map: [object SourceMapGenerator] }
+```
+
+#### With SourceMapGenerator (low level API)
+
+```js
+var map = new SourceMapGenerator({
+  file: "source-mapped.js"
+});
+
+map.addMapping({
+  generated: {
+    line: 10,
+    column: 35
+  },
+  source: "foo.js",
+  original: {
+    line: 33,
+    column: 2
+  },
+  name: "christopher"
+});
+
+console.log(map.toString());
+// '{"version":3,"file":"source-mapped.js","sources":["foo.js"],"names":["christopher"],"mappings":";;;;;;;;;mCAgCEA"}'
+```
+
+## API
+
+Get a reference to the module:
+
+```js
+// Node.js
+var sourceMap = require('source-map');
+
+// Browser builds
+var sourceMap = window.sourceMap;
+
+// Inside Firefox
+const sourceMap = require("devtools/toolkit/sourcemap/source-map.js");
+```
+
+### SourceMapConsumer
+
+A SourceMapConsumer instance represents a parsed source map which we can query
+for information about the original file positions by giving it a file position
+in the generated source.
+
+#### new SourceMapConsumer(rawSourceMap)
+
+The only parameter is the raw source map (either as a string which can be
+`JSON.parse`'d, or an object). According to the spec, source maps have the
+following attributes:
+
+* `version`: Which version of the source map spec this map is following.
+
+* `sources`: An array of URLs to the original source files.
+
+* `names`: An array of identifiers which can be referenced by individual
+  mappings.
+
+* `sourceRoot`: Optional. The URL root from which all sources are relative.
+
+* `sourcesContent`: Optional. An array of contents of the original source files.
+
+* `mappings`: A string of base64 VLQs which contain the actual mappings.
+
+* `file`: Optional. The generated filename this source map is associated with.
+
+```js
+var consumer = new sourceMap.SourceMapConsumer(rawSourceMapJsonData);
+```
+
+#### SourceMapConsumer.prototype.computeColumnSpans()
+
+Compute the last column for each generated mapping. The last column is
+inclusive.
+
+```js
+// Before:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+
+consumer.computeColumnSpans();
+
+// After:
+consumer.allGeneratedPositionsFor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1,
+//     lastColumn: 9 },
+//   { line: 2,
+//     column: 10,
+//     lastColumn: 19 },
+//   { line: 2,
+//     column: 20,
+//     lastColumn: Infinity } ]
+
+```
+
+#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
+
+Returns the original source, line, and column information for the generated
+source's line and column positions provided. The only argument is an object with
+the following properties:
+
+* `line`: The line number in the generated source.  Line numbers in
+  this library are 1-based (note that the underlying source map
+  specification uses 0-based line numbers -- this library handles the
+  translation).
+
+* `column`: The column number in the generated source.  Column numbers
+  in this library are 0-based.
+
+* `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
+  `SourceMapConsumer.LEAST_UPPER_BOUND`. Specifies whether to return the closest
+  element that is smaller than or greater than the one we are searching for,
+  respectively, if the exact element cannot be found.  Defaults to
+  `SourceMapConsumer.GREATEST_LOWER_BOUND`.
+
+and an object is returned with the following properties:
+
+* `source`: The original source file, or null if this information is not
+  available.
+
+* `line`: The line number in the original source, or null if this information is
+  not available.  The line number is 1-based.
+
+* `column`: The column number in the original source, or null if this
+  information is not available.  The column number is 0-based.
+
+* `name`: The original identifier, or null if this information is not available.
+
+```js
+consumer.originalPositionFor({ line: 2, column: 10 })
+// { source: 'foo.coffee',
+//   line: 2,
+//   column: 2,
+//   name: null }
+
+consumer.originalPositionFor({ line: 99999999999999999, column: 999999999999999 })
+// { source: null,
+//   line: null,
+//   column: null,
+//   name: null }
+```
+
+#### SourceMapConsumer.prototype.generatedPositionFor(originalPosition)
+
+Returns the generated line and column information for the original source,
+line, and column positions provided. The only argument is an object with
+the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: The column number in the original source.  The column
+  number is 0-based.
+
+and an object is returned with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.generatedPositionFor({ source: "example.js", line: 2, column: 10 })
+// { line: 1,
+//   column: 56 }
+```
+
+#### SourceMapConsumer.prototype.allGeneratedPositionsFor(originalPosition)
+
+Returns all generated line and column information for the original source, line,
+and column provided. If no column is provided, returns all mappings
+corresponding to a either the line we are searching for or the next closest line
+that has any mappings. Otherwise, returns all mappings corresponding to the
+given line and either the column we are searching for or the next closest column
+that has any offsets.
+
+The only argument is an object with the following properties:
+
+* `source`: The filename of the original source.
+
+* `line`: The line number in the original source.  The line number is
+  1-based.
+
+* `column`: Optional. The column number in the original source.  The
+  column number is 0-based.
+
+and an array of objects is returned, each with the following properties:
+
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
+
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
+
+```js
+consumer.allGeneratedpositionsfor({ line: 2, source: "foo.coffee" })
+// [ { line: 2,
+//     column: 1 },
+//   { line: 2,
+//     column: 10 },
+//   { line: 2,
+//     column: 20 } ]
+```
+
+#### SourceMapConsumer.prototype.hasContentsOfAllSources()
+
+Return true if we have the embedded source content for every source listed in
+the source map, false otherwise.
+
+In other words, if this method returns `true`, then
+`consumer.sourceContentFor(s)` will succeed for every source `s` in
+`consumer.sources`.
+
+```js
+// ...
+if (consumer.hasContentsOfAllSources()) {
+  consumerReadyCallback(consumer);
+} else {
+  fetchSources(consumer, consumerReadyCallback);
+}
+// ...
+```
+
+#### SourceMapConsumer.prototype.sourceContentFor(source[, returnNullOnMissing])
+
+Returns the original source content for the source provided. The only
+argument is the URL of the original source file.
+
+If the source content for the given source is not found, then an error is
+thrown. Optionally, pass `true` as the second param to have `null` returned
+instead.
+
+```js
+consumer.sources
+// [ "my-cool-lib.clj" ]
+
+consumer.sourceContentFor("my-cool-lib.clj")
+// "..."
+
+consumer.sourceContentFor("this is not in the source map");
+// Error: "this is not in the source map" is not in the source map
+
+consumer.sourceContentFor("this is not in the source map", true);
+// null
+```
+
+#### SourceMapConsumer.prototype.eachMapping(callback, context, order)
+
+Iterate over each mapping between an original source/line/column and a
+generated line/column in this source map.
+
+* `callback`: The function that is called with each mapping. Mappings have the
+  form `{ source, generatedLine, generatedColumn, originalLine, originalColumn,
+  name }`
+
+* `context`: Optional. If specified, this object will be the value of `this`
+  every time that `callback` is called.
+
+* `order`: Either `SourceMapConsumer.GENERATED_ORDER` or
+  `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to iterate over
+  the mappings sorted by the generated file's line/column order or the
+  original's source/line/column order, respectively. Defaults to
+  `SourceMapConsumer.GENERATED_ORDER`.
+
+```js
+consumer.eachMapping(function (m) { console.log(m); })
+// ...
+// { source: 'illmatic.js',
+//   generatedLine: 1,
+//   generatedColumn: 0,
+//   originalLine: 1,
+//   originalColumn: 0,
+//   name: null }
+// { source: 'illmatic.js',
+//   generatedLine: 2,
+//   generatedColumn: 0,
+//   originalLine: 2,
+//   originalColumn: 0,
+//   name: null }
+// ...
+```
+### SourceMapGenerator
+
+An instance of the SourceMapGenerator represents a source map which is being
+built incrementally.
+
+#### new SourceMapGenerator([startOfSourceMap])
+
+You may pass an object with the following properties:
+
+* `file`: The filename of the generated source that this source map is
+  associated with.
+
+* `sourceRoot`: A root for all relative URLs in this source map.
+
+* `skipValidation`: Optional. When `true`, disables validation of mappings as
+  they are added. This can improve performance but should be used with
+  discretion, as a last resort. Even then, one should avoid using this flag when
+  running tests, if possible.
+
+```js
+var generator = new sourceMap.SourceMapGenerator({
+  file: "my-generated-javascript-file.js",
+  sourceRoot: "http://example.com/app/js/"
+});
+```
+
+#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
+
+Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.
+
+* `sourceMapConsumer` The SourceMap.
+
+```js
+var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
+```
+
+#### SourceMapGenerator.prototype.addMapping(mapping)
+
+Add a single mapping from original source line and column to the generated
+source's line and column for this source map being created. The mapping object
+should have the following properties:
+
+* `generated`: An object with the generated line and column positions.
+
+* `original`: An object with the original line and column positions.
+
+* `source`: The original source file (relative to the sourceRoot).
+
+* `name`: An optional original token name for this mapping.
+
+```js
+generator.addMapping({
+  source: "module-one.scm",
+  original: { line: 128, column: 0 },
+  generated: { line: 3, column: 456 }
+})
+```
+
+#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for an original source file.
+
+* `sourceFile` the URL of the original source file.
+
+* `sourceContent` the content of the source file.
+
+```js
+generator.setSourceContent("module-one.scm",
+                           fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceMapGenerator.prototype.applySourceMap(sourceMapConsumer[, sourceFile[, sourceMapPath]])
+
+Applies a SourceMap for a source file to the SourceMap.
+Each mapping to the supplied source file is rewritten using the
+supplied SourceMap. Note: The resolution for the resulting mappings
+is the minimum of this map and the supplied map.
+
+* `sourceMapConsumer`: The SourceMap to be applied.
+
+* `sourceFile`: Optional. The filename of the source file.
+  If omitted, sourceMapConsumer.file will be used, if it exists.
+  Otherwise an error will be thrown.
+
+* `sourceMapPath`: Optional. The dirname of the path to the SourceMap
+  to be applied. If relative, it is relative to the SourceMap.
+
+  This parameter is needed when the two SourceMaps aren't in the same
+  directory, and the SourceMap to be applied contains relative source
+  paths. If so, those relative source paths need to be rewritten
+  relative to the SourceMap.
+
+  If omitted, it is assumed that both SourceMaps are in the same directory,
+  thus not needing any rewriting. (Supplying `'.'` has the same effect.)
+
+#### SourceMapGenerator.prototype.toString()
+
+Renders the source map being generated to a string.
+
+```js
+generator.toString()
+// '{"version":3,"sources":["module-one.scm"],"names":[],"mappings":"...snip...","file":"my-generated-javascript-file.js","sourceRoot":"http://example.com/app/js/"}'
+```
+
+### SourceNode
+
+SourceNodes provide a way to abstract over interpolating and/or concatenating
+snippets of generated JavaScript source code, while maintaining the line and
+column information associated between those snippets and the original source
+code. This is useful as the final intermediate representation a compiler might
+use before outputting the generated JS and source map.
+
+#### new SourceNode([line, column, source[, chunk[, name]]])
+
+* `line`: The original line number associated with this source node, or null if
+  it isn't associated with an original line.  The line number is 1-based.
+
+* `column`: The original column number associated with this source node, or null
+  if it isn't associated with an original column.  The column number
+  is 0-based.
+
+* `source`: The original source's filename; null if no filename is provided.
+
+* `chunk`: Optional. Is immediately passed to `SourceNode.prototype.add`, see
+  below.
+
+* `name`: Optional. The original identifier.
+
+```js
+var node = new SourceNode(1, 2, "a.cpp", [
+  new SourceNode(3, 4, "b.cpp", "extern int status;\n"),
+  new SourceNode(5, 6, "c.cpp", "std::string* make_string(size_t n);\n"),
+  new SourceNode(7, 8, "d.cpp", "int main(int argc, char** argv) {}\n"),
+]);
+```
+
+#### SourceNode.fromStringWithSourceMap(code, sourceMapConsumer[, relativePath])
+
+Creates a SourceNode from generated code and a SourceMapConsumer.
+
+* `code`: The generated code
+
+* `sourceMapConsumer` The SourceMap for the generated code
+
+* `relativePath` The optional path that relative sources in `sourceMapConsumer`
+  should be relative to.
+
+```js
+var consumer = new SourceMapConsumer(fs.readFileSync("path/to/my-file.js.map", "utf8"));
+var node = SourceNode.fromStringWithSourceMap(fs.readFileSync("path/to/my-file.js"),
+                                              consumer);
+```
+
+#### SourceNode.prototype.add(chunk)
+
+Add a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.add(" + ");
+node.add(otherNode);
+node.add([leftHandOperandNode, " + ", rightHandOperandNode]);
+```
+
+#### SourceNode.prototype.prepend(chunk)
+
+Prepend a chunk of generated JS to this source node.
+
+* `chunk`: A string snippet of generated JS code, another instance of
+   `SourceNode`, or an array where each member is one of those things.
+
+```js
+node.prepend("/** Build Id: f783haef86324gf **/\n\n");
+```
+
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
+```js
+node.setSourceContent("module-one.scm",
+                      fs.readFileSync("path/to/module-one.scm"))
+```
+
+#### SourceNode.prototype.walk(fn)
+
+Walk over the tree of JS snippets in this node and its children. The walking
+function is called once for each snippet of JS and is passed that snippet and
+the its original associated source's line/column location.
+
+* `fn`: The traversal function.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.walk(function (code, loc) { console.log("WALK:", code, loc); })
+// WALK: uno { source: 'b.js', line: 3, column: 4, name: null }
+// WALK: dos { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: tres { source: 'a.js', line: 1, column: 2, name: null }
+// WALK: quatro { source: 'c.js', line: 5, column: 6, name: null }
+```
+
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
+```js
+var a = new SourceNode(1, 2, "a.js", "generated from a");
+a.setSourceContent("a.js", "original a");
+var b = new SourceNode(1, 2, "b.js", "generated from b");
+b.setSourceContent("b.js", "original b");
+var c = new SourceNode(1, 2, "c.js", "generated from c");
+c.setSourceContent("c.js", "original c");
+
+var node = new SourceNode(null, null, null, [a, b, c]);
+node.walkSourceContents(function (source, contents) { console.log("WALK:", source, ":", contents); })
+// WALK: a.js : original a
+// WALK: b.js : original b
+// WALK: c.js : original c
+```
+
+#### SourceNode.prototype.join(sep)
+
+Like `Array.prototype.join` except for SourceNodes. Inserts the separator
+between each of this source node's children.
+
+* `sep`: The separator.
+
+```js
+var lhs = new SourceNode(1, 2, "a.rs", "my_copy");
+var operand = new SourceNode(3, 4, "a.rs", "=");
+var rhs = new SourceNode(5, 6, "a.rs", "orig.clone()");
+
+var node = new SourceNode(null, null, null, [ lhs, operand, rhs ]);
+var joinedNode = node.join(" ");
+```
+
+#### SourceNode.prototype.replaceRight(pattern, replacement)
+
+Call `String.prototype.replace` on the very right-most source snippet. Useful
+for trimming white space from the end of a source node, etc.
+
+* `pattern`: The pattern to replace.
+
+* `replacement`: The thing to replace the pattern with.
+
+```js
+// Trim trailing white space.
+node.replaceRight(/\s*$/, "");
+```
+
+#### SourceNode.prototype.toString()
+
+Return the string representation of this source node. Walks over the tree and
+concatenates all the various snippets together to one string.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toString()
+// 'unodostresquatro'
+```
+
+#### SourceNode.prototype.toStringWithSourceMap([startOfSourceMap])
+
+Returns the string representation of this tree of source nodes, plus a
+SourceMapGenerator which contains all the mappings between the generated and
+original sources.
+
+The arguments are the same as those to `new SourceMapGenerator`.
+
+```js
+var node = new SourceNode(1, 2, "a.js", [
+  new SourceNode(3, 4, "b.js", "uno"),
+  "dos",
+  [
+    "tres",
+    new SourceNode(5, 6, "c.js", "quatro")
+  ]
+]);
+
+node.toStringWithSourceMap({ file: "my-output-file.js" })
+// { code: 'unodostresquatro',
+//   map: [object SourceMapGenerator] }
+```
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/array-set.js b/node_modules/webpack-sources/node_modules/source-map/lib/array-set.js
new file mode 100644
index 00000000..fbd5c81c
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/array-set.js
@@ -0,0 +1,121 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/base64-vlq.js b/node_modules/webpack-sources/node_modules/source-map/lib/base64-vlq.js
new file mode 100644
index 00000000..612b4040
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/base64-vlq.js
@@ -0,0 +1,140 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/base64.js b/node_modules/webpack-sources/node_modules/source-map/lib/base64.js
new file mode 100644
index 00000000..8aa86b30
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/base64.js
@@ -0,0 +1,67 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/binary-search.js b/node_modules/webpack-sources/node_modules/source-map/lib/binary-search.js
new file mode 100644
index 00000000..010ac941
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/binary-search.js
@@ -0,0 +1,111 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+exports.GREATEST_LOWER_BOUND = 1;
+exports.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Recursive implementation of binary search.
+ *
+ * @param aLow Indices here and lower do not contain the needle.
+ * @param aHigh Indices here and higher do not contain the needle.
+ * @param aNeedle The element being searched for.
+ * @param aHaystack The non-empty array being searched.
+ * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ */
+function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
+  // This function terminates when one of the following is true:
+  //
+  //   1. We find the exact element we are looking for.
+  //
+  //   2. We did not find the exact element, but we can return the index of
+  //      the next-closest element.
+  //
+  //   3. We did not find the exact element, and there is no next-closest
+  //      element than the one we are searching for, so we return -1.
+  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+  var cmp = aCompare(aNeedle, aHaystack[mid], true);
+  if (cmp === 0) {
+    // Found the element we are looking for.
+    return mid;
+  }
+  else if (cmp > 0) {
+    // Our needle is greater than aHaystack[mid].
+    if (aHigh - mid > 1) {
+      // The element is in the upper half.
+      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // The exact needle element was not found in this haystack. Determine if
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return aHigh < aHaystack.length ? aHigh : -1;
+    } else {
+      return mid;
+    }
+  }
+  else {
+    // Our needle is less than aHaystack[mid].
+    if (mid - aLow > 1) {
+      // The element is in the lower half.
+      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+    }
+
+    // we are in termination case (3) or (2) and return the appropriate thing.
+    if (aBias == exports.LEAST_UPPER_BOUND) {
+      return mid;
+    } else {
+      return aLow < 0 ? -1 : aLow;
+    }
+  }
+}
+
+/**
+ * This is an implementation of binary search which will always try and return
+ * the index of the closest element if there is no exact hit. This is because
+ * mappings between original and generated line/col pairs are single points,
+ * and there is an implicit region between each of them, so a miss just means
+ * that you aren't on the very start of a region.
+ *
+ * @param aNeedle The element you are looking for.
+ * @param aHaystack The array that is being searched.
+ * @param aCompare A function which takes the needle and an element in the
+ *     array and returns -1, 0, or 1 depending on whether the needle is less
+ *     than, equal to, or greater than the element, respectively.
+ * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
+ *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
+ */
+exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
+  if (aHaystack.length === 0) {
+    return -1;
+  }
+
+  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
+  if (index < 0) {
+    return -1;
+  }
+
+  // We have found either the exact element, or the next-closest element than
+  // the one we are searching for. However, there may be more than one such
+  // element. Make sure we always return the smallest of these.
+  while (index - 1 >= 0) {
+    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
+      break;
+    }
+    --index;
+  }
+
+  return index;
+};
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/mapping-list.js b/node_modules/webpack-sources/node_modules/source-map/lib/mapping-list.js
new file mode 100644
index 00000000..06d1274a
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/mapping-list.js
@@ -0,0 +1,79 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/quick-sort.js b/node_modules/webpack-sources/node_modules/source-map/lib/quick-sort.js
new file mode 100644
index 00000000..6a7caadb
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/quick-sort.js
@@ -0,0 +1,114 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+// It turns out that some (most?) JavaScript engines don't self-host
+// `Array.prototype.sort`. This makes sense because C++ will likely remain
+// faster than JS when doing raw CPU-intensive sorting. However, when using a
+// custom comparator function, calling back and forth between the VM's C++ and
+// JIT'd JS is rather slow *and* loses JIT type information, resulting in
+// worse generated code for the comparator function than would be optimal. In
+// fact, when sorting with a comparator, these costs outweigh the benefits of
+// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+// a ~3500ms mean speed-up in `bench/bench.html`.
+
+/**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ *        The array.
+ * @param {Number} x
+ *        The index of the first item.
+ * @param {Number} y
+ *        The index of the second item.
+ */
+function swap(ary, x, y) {
+  var temp = ary[x];
+  ary[x] = ary[y];
+  ary[y] = temp;
+}
+
+/**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ *        The lower bound on the range.
+ * @param {Number} high
+ *        The upper bound on the range.
+ */
+function randomIntInRange(low, high) {
+  return Math.round(low + (Math.random() * (high - low)));
+}
+
+/**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ * @param {Number} p
+ *        Start index of the array
+ * @param {Number} r
+ *        End index of the array
+ */
+function doQuickSort(ary, comparator, p, r) {
+  // If our lower bound is less than our upper bound, we (1) partition the
+  // array into two pieces and (2) recurse on each half. If it is not, this is
+  // the empty array and our base case.
+
+  if (p < r) {
+    // (1) Partitioning.
+    //
+    // The partitioning chooses a pivot between `p` and `r` and moves all
+    // elements that are less than or equal to the pivot to the before it, and
+    // all the elements that are greater than it after it. The effect is that
+    // once partition is done, the pivot is in the exact place it will be when
+    // the array is put in sorted order, and it will not need to be moved
+    // again. This runs in O(n) time.
+
+    // Always choose a random pivot so that an input array which is reverse
+    // sorted does not cause O(n^2) running time.
+    var pivotIndex = randomIntInRange(p, r);
+    var i = p - 1;
+
+    swap(ary, pivotIndex, r);
+    var pivot = ary[r];
+
+    // Immediately after `j` is incremented in this loop, the following hold
+    // true:
+    //
+    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
+    //
+    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+    for (var j = p; j < r; j++) {
+      if (comparator(ary[j], pivot) <= 0) {
+        i += 1;
+        swap(ary, i, j);
+      }
+    }
+
+    swap(ary, i + 1, j);
+    var q = i + 1;
+
+    // (2) Recurse on each half.
+
+    doQuickSort(ary, comparator, p, q - 1);
+    doQuickSort(ary, comparator, q + 1, r);
+  }
+}
+
+/**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ *        An array to sort.
+ * @param {function} comparator
+ *        Function to use to compare two items.
+ */
+exports.quickSort = function (ary, comparator) {
+  doQuickSort(ary, comparator, 0, ary.length - 1);
+};
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/source-map-consumer.js b/node_modules/webpack-sources/node_modules/source-map/lib/source-map-consumer.js
new file mode 100644
index 00000000..7b99d1da
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/source-map-consumer.js
@@ -0,0 +1,1145 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var binarySearch = require('./binary-search');
+var ArraySet = require('./array-set').ArraySet;
+var base64VLQ = require('./base64-vlq');
+var quickSort = require('./quick-sort').quickSort;
+
+function SourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  return sourceMap.sections != null
+    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
+    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
+}
+
+SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) {
+  return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL);
+}
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+SourceMapConsumer.prototype._version = 3;
+
+// `__generatedMappings` and `__originalMappings` are arrays that hold the
+// parsed mapping coordinates from the source map's "mappings" attribute. They
+// are lazily instantiated, accessed via the `_generatedMappings` and
+// `_originalMappings` getters respectively, and we only parse the mappings
+// and create these arrays once queried for a source location. We jump through
+// these hoops because there can be many thousands of mappings, and parsing
+// them is expensive, so we only want to do it if we must.
+//
+// Each object in the arrays is of the form:
+//
+//     {
+//       generatedLine: The line number in the generated code,
+//       generatedColumn: The column number in the generated code,
+//       source: The path to the original source file that generated this
+//               chunk of code,
+//       originalLine: The line number in the original source that
+//                     corresponds to this chunk of generated code,
+//       originalColumn: The column number in the original source that
+//                       corresponds to this chunk of generated code,
+//       name: The name of the original symbol which generated this chunk of
+//             code.
+//     }
+//
+// All properties except for `generatedLine` and `generatedColumn` can be
+// `null`.
+//
+// `_generatedMappings` is ordered by the generated positions.
+//
+// `_originalMappings` is ordered by the original positions.
+
+SourceMapConsumer.prototype.__generatedMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__generatedMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__generatedMappings;
+  }
+});
+
+SourceMapConsumer.prototype.__originalMappings = null;
+Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  configurable: true,
+  enumerable: true,
+  get: function () {
+    if (!this.__originalMappings) {
+      this._parseMappings(this._mappings, this.sourceRoot);
+    }
+
+    return this.__originalMappings;
+  }
+});
+
+SourceMapConsumer.prototype._charIsMappingSeparator =
+  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
+    var c = aStr.charAt(index);
+    return c === ";" || c === ",";
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+SourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    throw new Error("Subclasses must implement _parseMappings");
+  };
+
+SourceMapConsumer.GENERATED_ORDER = 1;
+SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
+SourceMapConsumer.LEAST_UPPER_BOUND = 2;
+
+/**
+ * Iterate over each mapping between an original source/line/column and a
+ * generated line/column in this source map.
+ *
+ * @param Function aCallback
+ *        The function that is called with each mapping.
+ * @param Object aContext
+ *        Optional. If specified, this object will be the value of `this` every
+ *        time that `aCallback` is called.
+ * @param aOrder
+ *        Either `SourceMapConsumer.GENERATED_ORDER` or
+ *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+ *        iterate over the mappings sorted by the generated file's line/column
+ *        order or the original's source/line/column order, respectively. Defaults to
+ *        `SourceMapConsumer.GENERATED_ORDER`.
+ */
+SourceMapConsumer.prototype.eachMapping =
+  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+    var context = aContext || null;
+    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+    var mappings;
+    switch (order) {
+    case SourceMapConsumer.GENERATED_ORDER:
+      mappings = this._generatedMappings;
+      break;
+    case SourceMapConsumer.ORIGINAL_ORDER:
+      mappings = this._originalMappings;
+      break;
+    default:
+      throw new Error("Unknown order of iteration.");
+    }
+
+    var sourceRoot = this.sourceRoot;
+    mappings.map(function (mapping) {
+      var source = mapping.source === null ? null : this._sources.at(mapping.source);
+      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
+      return {
+        source: source,
+        generatedLine: mapping.generatedLine,
+        generatedColumn: mapping.generatedColumn,
+        originalLine: mapping.originalLine,
+        originalColumn: mapping.originalColumn,
+        name: mapping.name === null ? null : this._names.at(mapping.name)
+      };
+    }, this).forEach(aCallback, context);
+  };
+
+/**
+ * Returns all generated line and column information for the original source,
+ * line, and column provided. If no column is provided, returns all mappings
+ * corresponding to a either the line we are searching for or the next
+ * closest line that has any mappings. Otherwise, returns all mappings
+ * corresponding to the given line and either the column we are searching for
+ * or the next closest column that has any offsets.
+ *
+ * The only argument is an object with the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number is 1-based.
+ *   - column: Optional. the column number in the original source.
+ *    The column number is 0-based.
+ *
+ * and an array of objects is returned, each with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *    line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *    The column number is 0-based.
+ */
+SourceMapConsumer.prototype.allGeneratedPositionsFor =
+  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
+    var line = util.getArg(aArgs, 'line');
+
+    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
+    // returns the index of the closest mapping less than the needle. By
+    // setting needle.originalColumn to 0, we thus find the last mapping for
+    // the given line, provided such a mapping exists.
+    var needle = {
+      source: util.getArg(aArgs, 'source'),
+      originalLine: line,
+      originalColumn: util.getArg(aArgs, 'column', 0)
+    };
+
+    needle.source = this._findSourceIndex(needle.source);
+    if (needle.source < 0) {
+      return [];
+    }
+
+    var mappings = [];
+
+    var index = this._findMapping(needle,
+                                  this._originalMappings,
+                                  "originalLine",
+                                  "originalColumn",
+                                  util.compareByOriginalPositions,
+                                  binarySearch.LEAST_UPPER_BOUND);
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (aArgs.column === undefined) {
+        var originalLine = mapping.originalLine;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we found. Since
+        // mappings are sorted, this is guaranteed to find all mappings for
+        // the line we found.
+        while (mapping && mapping.originalLine === originalLine) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      } else {
+        var originalColumn = mapping.originalColumn;
+
+        // Iterate until either we run out of mappings, or we run into
+        // a mapping for a different line than the one we were searching for.
+        // Since mappings are sorted, this is guaranteed to find all mappings for
+        // the line we are searching for.
+        while (mapping &&
+               mapping.originalLine === line &&
+               mapping.originalColumn == originalColumn) {
+          mappings.push({
+            line: util.getArg(mapping, 'generatedLine', null),
+            column: util.getArg(mapping, 'generatedColumn', null),
+            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+          });
+
+          mapping = this._originalMappings[++index];
+        }
+      }
+    }
+
+    return mappings;
+  };
+
+exports.SourceMapConsumer = SourceMapConsumer;
+
+/**
+ * A BasicSourceMapConsumer instance represents a parsed source map which we can
+ * query for information about the original file positions by giving it a file
+ * position in the generated source.
+ *
+ * The first parameter is the raw source map (either as a JSON string, or
+ * already parsed to an object). According to the spec, source maps have the
+ * following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - sources: An array of URLs to the original source files.
+ *   - names: An array of identifiers which can be referrenced by individual mappings.
+ *   - sourceRoot: Optional. The URL root from which all sources are relative.
+ *   - sourcesContent: Optional. An array of contents of the original source files.
+ *   - mappings: A string of base64 VLQs which contain the actual mappings.
+ *   - file: Optional. The generated file this source map is associated with.
+ *
+ * Here is an example source map, taken from the source map spec[0]:
+ *
+ *     {
+ *       version : 3,
+ *       file: "out.js",
+ *       sourceRoot : "",
+ *       sources: ["foo.js", "bar.js"],
+ *       names: ["src", "maps", "are", "fun"],
+ *       mappings: "AA,AB;;ABCDE;"
+ *     }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+ */
+function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sources = util.getArg(sourceMap, 'sources');
+  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
+  // requires the array) to play nice here.
+  var names = util.getArg(sourceMap, 'names', []);
+  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
+  var mappings = util.getArg(sourceMap, 'mappings');
+  var file = util.getArg(sourceMap, 'file', null);
+
+  // Once again, Sass deviates from the spec and supplies the version as a
+  // string rather than a number, so we use loose equality checking here.
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  if (sourceRoot) {
+    sourceRoot = util.normalize(sourceRoot);
+  }
+
+  sources = sources
+    .map(String)
+    // Some source maps produce relative source paths like "./foo.js" instead of
+    // "foo.js".  Normalize these first so that future comparisons will succeed.
+    // See bugzil.la/1090768.
+    .map(util.normalize)
+    // Always ensure that absolute sources are internally stored relative to
+    // the source root, if the source root is absolute. Not doing this would
+    // be particularly problematic when the source root is a prefix of the
+    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
+    .map(function (source) {
+      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
+        ? util.relative(sourceRoot, source)
+        : source;
+    });
+
+  // Pass `true` below to allow duplicate names and sources. While source maps
+  // are intended to be compressed and deduplicated, the TypeScript compiler
+  // sometimes generates source maps with duplicates in them. See Github issue
+  // #72 and bugzil.la/889492.
+  this._names = ArraySet.fromArray(names.map(String), true);
+  this._sources = ArraySet.fromArray(sources, true);
+
+  this._absoluteSources = this._sources.toArray().map(function (s) {
+    return util.computeSourceURL(sourceRoot, s, aSourceMapURL);
+  });
+
+  this.sourceRoot = sourceRoot;
+  this.sourcesContent = sourcesContent;
+  this._mappings = mappings;
+  this._sourceMapURL = aSourceMapURL;
+  this.file = file;
+}
+
+BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
+
+/**
+ * Utility function to find the index of a source.  Returns -1 if not
+ * found.
+ */
+BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) {
+  var relativeSource = aSource;
+  if (this.sourceRoot != null) {
+    relativeSource = util.relative(this.sourceRoot, relativeSource);
+  }
+
+  if (this._sources.has(relativeSource)) {
+    return this._sources.indexOf(relativeSource);
+  }
+
+  // Maybe aSource is an absolute URL as returned by |sources|.  In
+  // this case we can't simply undo the transform.
+  var i;
+  for (i = 0; i < this._absoluteSources.length; ++i) {
+    if (this._absoluteSources[i] == aSource) {
+      return i;
+    }
+  }
+
+  return -1;
+};
+
+/**
+ * Create a BasicSourceMapConsumer from a SourceMapGenerator.
+ *
+ * @param SourceMapGenerator aSourceMap
+ *        The source map that will be consumed.
+ * @param String aSourceMapURL
+ *        The URL at which the source map can be found (optional)
+ * @returns BasicSourceMapConsumer
+ */
+BasicSourceMapConsumer.fromSourceMap =
+  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
+    var smc = Object.create(BasicSourceMapConsumer.prototype);
+
+    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
+    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
+    smc.sourceRoot = aSourceMap._sourceRoot;
+    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
+                                                            smc.sourceRoot);
+    smc.file = aSourceMap._file;
+    smc._sourceMapURL = aSourceMapURL;
+    smc._absoluteSources = smc._sources.toArray().map(function (s) {
+      return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL);
+    });
+
+    // Because we are modifying the entries (by converting string sources and
+    // names to indices into the sources and names ArraySets), we have to make
+    // a copy of the entry or else bad things happen. Shared mutable state
+    // strikes again! See github issue #191.
+
+    var generatedMappings = aSourceMap._mappings.toArray().slice();
+    var destGeneratedMappings = smc.__generatedMappings = [];
+    var destOriginalMappings = smc.__originalMappings = [];
+
+    for (var i = 0, length = generatedMappings.length; i < length; i++) {
+      var srcMapping = generatedMappings[i];
+      var destMapping = new Mapping;
+      destMapping.generatedLine = srcMapping.generatedLine;
+      destMapping.generatedColumn = srcMapping.generatedColumn;
+
+      if (srcMapping.source) {
+        destMapping.source = sources.indexOf(srcMapping.source);
+        destMapping.originalLine = srcMapping.originalLine;
+        destMapping.originalColumn = srcMapping.originalColumn;
+
+        if (srcMapping.name) {
+          destMapping.name = names.indexOf(srcMapping.name);
+        }
+
+        destOriginalMappings.push(destMapping);
+      }
+
+      destGeneratedMappings.push(destMapping);
+    }
+
+    quickSort(smc.__originalMappings, util.compareByOriginalPositions);
+
+    return smc;
+  };
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+BasicSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    return this._absoluteSources.slice();
+  }
+});
+
+/**
+ * Provide the JIT with a nice shape / hidden class.
+ */
+function Mapping() {
+  this.generatedLine = 0;
+  this.generatedColumn = 0;
+  this.source = null;
+  this.originalLine = null;
+  this.originalColumn = null;
+  this.name = null;
+}
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+BasicSourceMapConsumer.prototype._parseMappings =
+  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    var generatedLine = 1;
+    var previousGeneratedColumn = 0;
+    var previousOriginalLine = 0;
+    var previousOriginalColumn = 0;
+    var previousSource = 0;
+    var previousName = 0;
+    var length = aStr.length;
+    var index = 0;
+    var cachedSegments = {};
+    var temp = {};
+    var originalMappings = [];
+    var generatedMappings = [];
+    var mapping, str, segment, end, value;
+
+    while (index < length) {
+      if (aStr.charAt(index) === ';') {
+        generatedLine++;
+        index++;
+        previousGeneratedColumn = 0;
+      }
+      else if (aStr.charAt(index) === ',') {
+        index++;
+      }
+      else {
+        mapping = new Mapping();
+        mapping.generatedLine = generatedLine;
+
+        // Because each offset is encoded relative to the previous one,
+        // many segments often have the same encoding. We can exploit this
+        // fact by caching the parsed variable length fields of each segment,
+        // allowing us to avoid a second parse if we encounter the same
+        // segment again.
+        for (end = index; end < length; end++) {
+          if (this._charIsMappingSeparator(aStr, end)) {
+            break;
+          }
+        }
+        str = aStr.slice(index, end);
+
+        segment = cachedSegments[str];
+        if (segment) {
+          index += str.length;
+        } else {
+          segment = [];
+          while (index < end) {
+            base64VLQ.decode(aStr, index, temp);
+            value = temp.value;
+            index = temp.rest;
+            segment.push(value);
+          }
+
+          if (segment.length === 2) {
+            throw new Error('Found a source, but no line and column');
+          }
+
+          if (segment.length === 3) {
+            throw new Error('Found a source and line, but no column');
+          }
+
+          cachedSegments[str] = segment;
+        }
+
+        // Generated column.
+        mapping.generatedColumn = previousGeneratedColumn + segment[0];
+        previousGeneratedColumn = mapping.generatedColumn;
+
+        if (segment.length > 1) {
+          // Original source.
+          mapping.source = previousSource + segment[1];
+          previousSource += segment[1];
+
+          // Original line.
+          mapping.originalLine = previousOriginalLine + segment[2];
+          previousOriginalLine = mapping.originalLine;
+          // Lines are stored 0-based
+          mapping.originalLine += 1;
+
+          // Original column.
+          mapping.originalColumn = previousOriginalColumn + segment[3];
+          previousOriginalColumn = mapping.originalColumn;
+
+          if (segment.length > 4) {
+            // Original name.
+            mapping.name = previousName + segment[4];
+            previousName += segment[4];
+          }
+        }
+
+        generatedMappings.push(mapping);
+        if (typeof mapping.originalLine === 'number') {
+          originalMappings.push(mapping);
+        }
+      }
+    }
+
+    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
+    this.__generatedMappings = generatedMappings;
+
+    quickSort(originalMappings, util.compareByOriginalPositions);
+    this.__originalMappings = originalMappings;
+  };
+
+/**
+ * Find the mapping that best matches the hypothetical "needle" mapping that
+ * we are searching for in the given "haystack" of mappings.
+ */
+BasicSourceMapConsumer.prototype._findMapping =
+  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                         aColumnName, aComparator, aBias) {
+    // To return the position we are searching for, we must first find the
+    // mapping for the given position and then return the opposite position it
+    // points to. Because the mappings are sorted, we can use binary search to
+    // find the best mapping.
+
+    if (aNeedle[aLineName] <= 0) {
+      throw new TypeError('Line must be greater than or equal to 1, got '
+                          + aNeedle[aLineName]);
+    }
+    if (aNeedle[aColumnName] < 0) {
+      throw new TypeError('Column must be greater than or equal to 0, got '
+                          + aNeedle[aColumnName]);
+    }
+
+    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
+  };
+
+/**
+ * Compute the last column for each generated mapping. The last column is
+ * inclusive.
+ */
+BasicSourceMapConsumer.prototype.computeColumnSpans =
+  function SourceMapConsumer_computeColumnSpans() {
+    for (var index = 0; index < this._generatedMappings.length; ++index) {
+      var mapping = this._generatedMappings[index];
+
+      // Mappings do not contain a field for the last generated columnt. We
+      // can come up with an optimistic estimate, however, by assuming that
+      // mappings are contiguous (i.e. given two consecutive mappings, the
+      // first mapping ends where the second one starts).
+      if (index + 1 < this._generatedMappings.length) {
+        var nextMapping = this._generatedMappings[index + 1];
+
+        if (mapping.generatedLine === nextMapping.generatedLine) {
+          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
+          continue;
+        }
+      }
+
+      // The last mapping for each line spans the entire line.
+      mapping.lastGeneratedColumn = Infinity;
+    }
+  };
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+BasicSourceMapConsumer.prototype.originalPositionFor =
+  function SourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._generatedMappings,
+      "generatedLine",
+      "generatedColumn",
+      util.compareByGeneratedPositionsDeflated,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._generatedMappings[index];
+
+      if (mapping.generatedLine === needle.generatedLine) {
+        var source = util.getArg(mapping, 'source', null);
+        if (source !== null) {
+          source = this._sources.at(source);
+          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
+        }
+        var name = util.getArg(mapping, 'name', null);
+        if (name !== null) {
+          name = this._names.at(name);
+        }
+        return {
+          source: source,
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: name
+        };
+      }
+    }
+
+    return {
+      source: null,
+      line: null,
+      column: null,
+      name: null
+    };
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function BasicSourceMapConsumer_hasContentsOfAllSources() {
+    if (!this.sourcesContent) {
+      return false;
+    }
+    return this.sourcesContent.length >= this._sources.size() &&
+      !this.sourcesContent.some(function (sc) { return sc == null; });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+BasicSourceMapConsumer.prototype.sourceContentFor =
+  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    if (!this.sourcesContent) {
+      return null;
+    }
+
+    var index = this._findSourceIndex(aSource);
+    if (index >= 0) {
+      return this.sourcesContent[index];
+    }
+
+    var relativeSource = aSource;
+    if (this.sourceRoot != null) {
+      relativeSource = util.relative(this.sourceRoot, relativeSource);
+    }
+
+    var url;
+    if (this.sourceRoot != null
+        && (url = util.urlParse(this.sourceRoot))) {
+      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
+      // many users. We can help them out when they expect file:// URIs to
+      // behave like it would if they were running a local HTTP server. See
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
+      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
+      if (url.scheme == "file"
+          && this._sources.has(fileUriAbsPath)) {
+        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
+      }
+
+      if ((!url.path || url.path == "/")
+          && this._sources.has("/" + relativeSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
+      }
+    }
+
+    // This function is used recursively from
+    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
+    // don't want to throw if we can't find the source - we just want to
+    // return null, so we provide a flag to exit gracefully.
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
+ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
+ *     closest element that is smaller than or greater than the one we are
+ *     searching for, respectively, if the exact element cannot be found.
+ *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+BasicSourceMapConsumer.prototype.generatedPositionFor =
+  function SourceMapConsumer_generatedPositionFor(aArgs) {
+    var source = util.getArg(aArgs, 'source');
+    source = this._findSourceIndex(source);
+    if (source < 0) {
+      return {
+        line: null,
+        column: null,
+        lastColumn: null
+      };
+    }
+
+    var needle = {
+      source: source,
+      originalLine: util.getArg(aArgs, 'line'),
+      originalColumn: util.getArg(aArgs, 'column')
+    };
+
+    var index = this._findMapping(
+      needle,
+      this._originalMappings,
+      "originalLine",
+      "originalColumn",
+      util.compareByOriginalPositions,
+      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
+    );
+
+    if (index >= 0) {
+      var mapping = this._originalMappings[index];
+
+      if (mapping.source === needle.source) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null),
+          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
+        };
+      }
+    }
+
+    return {
+      line: null,
+      column: null,
+      lastColumn: null
+    };
+  };
+
+exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
+
+/**
+ * An IndexedSourceMapConsumer instance represents a parsed source map which
+ * we can query for information. It differs from BasicSourceMapConsumer in
+ * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
+ * input.
+ *
+ * The first parameter is a raw source map (either as a JSON string, or already
+ * parsed to an object). According to the spec for indexed source maps, they
+ * have the following attributes:
+ *
+ *   - version: Which version of the source map spec this map is following.
+ *   - file: Optional. The generated file this source map is associated with.
+ *   - sections: A list of section definitions.
+ *
+ * Each value under the "sections" field has two fields:
+ *   - offset: The offset into the original specified at which this section
+ *       begins to apply, defined as an object with a "line" and "column"
+ *       field.
+ *   - map: A source map definition. This source map could also be indexed,
+ *       but doesn't have to be.
+ *
+ * Instead of the "map" field, it's also possible to have a "url" field
+ * specifying a URL to retrieve a source map from, but that's currently
+ * unsupported.
+ *
+ * Here's an example source map, taken from the source map spec[0], but
+ * modified to omit a section which uses the "url" field.
+ *
+ *  {
+ *    version : 3,
+ *    file: "app.js",
+ *    sections: [{
+ *      offset: {line:100, column:10},
+ *      map: {
+ *        version : 3,
+ *        file: "section.js",
+ *        sources: ["foo.js", "bar.js"],
+ *        names: ["src", "maps", "are", "fun"],
+ *        mappings: "AAAA,E;;ABCDE;"
+ *      }
+ *    }],
+ *  }
+ *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
+ * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
+ */
+function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
+  var sourceMap = aSourceMap;
+  if (typeof aSourceMap === 'string') {
+    sourceMap = util.parseSourceMapInput(aSourceMap);
+  }
+
+  var version = util.getArg(sourceMap, 'version');
+  var sections = util.getArg(sourceMap, 'sections');
+
+  if (version != this._version) {
+    throw new Error('Unsupported version: ' + version);
+  }
+
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+
+  var lastOffset = {
+    line: -1,
+    column: 0
+  };
+  this._sections = sections.map(function (s) {
+    if (s.url) {
+      // The url field will require support for asynchronicity.
+      // See https://github.com/mozilla/source-map/issues/16
+      throw new Error('Support for url field in sections not implemented.');
+    }
+    var offset = util.getArg(s, 'offset');
+    var offsetLine = util.getArg(offset, 'line');
+    var offsetColumn = util.getArg(offset, 'column');
+
+    if (offsetLine < lastOffset.line ||
+        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
+      throw new Error('Section offsets must be ordered and non-overlapping.');
+    }
+    lastOffset = offset;
+
+    return {
+      generatedOffset: {
+        // The offset fields are 0-based, but we use 1-based indices when
+        // encoding/decoding from VLQ.
+        generatedLine: offsetLine + 1,
+        generatedColumn: offsetColumn + 1
+      },
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
+    }
+  });
+}
+
+IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
+IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
+
+/**
+ * The version of the source mapping spec that we are consuming.
+ */
+IndexedSourceMapConsumer.prototype._version = 3;
+
+/**
+ * The list of original sources.
+ */
+Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
+  get: function () {
+    var sources = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
+        sources.push(this._sections[i].consumer.sources[j]);
+      }
+    }
+    return sources;
+  }
+});
+
+/**
+ * Returns the original source, line, and column information for the generated
+ * source's line and column positions provided. The only argument is an object
+ * with the following properties:
+ *
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - source: The original source file, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
+ *   - name: The original identifier, or null.
+ */
+IndexedSourceMapConsumer.prototype.originalPositionFor =
+  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
+    var needle = {
+      generatedLine: util.getArg(aArgs, 'line'),
+      generatedColumn: util.getArg(aArgs, 'column')
+    };
+
+    // Find the section containing the generated position we're trying to map
+    // to an original position.
+    var sectionIndex = binarySearch.search(needle, this._sections,
+      function(needle, section) {
+        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
+        if (cmp) {
+          return cmp;
+        }
+
+        return (needle.generatedColumn -
+                section.generatedOffset.generatedColumn);
+      });
+    var section = this._sections[sectionIndex];
+
+    if (!section) {
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    }
+
+    return section.consumer.originalPositionFor({
+      line: needle.generatedLine -
+        (section.generatedOffset.generatedLine - 1),
+      column: needle.generatedColumn -
+        (section.generatedOffset.generatedLine === needle.generatedLine
+         ? section.generatedOffset.generatedColumn - 1
+         : 0),
+      bias: aArgs.bias
+    });
+  };
+
+/**
+ * Return true if we have the source content for every source in the source
+ * map, false otherwise.
+ */
+IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
+  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
+    return this._sections.every(function (s) {
+      return s.consumer.hasContentsOfAllSources();
+    });
+  };
+
+/**
+ * Returns the original source content. The only argument is the url of the
+ * original source file. Returns null if no original source content is
+ * available.
+ */
+IndexedSourceMapConsumer.prototype.sourceContentFor =
+  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      var content = section.consumer.sourceContentFor(aSource, true);
+      if (content) {
+        return content;
+      }
+    }
+    if (nullOnMissing) {
+      return null;
+    }
+    else {
+      throw new Error('"' + aSource + '" is not in the SourceMap.');
+    }
+  };
+
+/**
+ * Returns the generated line and column information for the original source,
+ * line, and column positions provided. The only argument is an object with
+ * the following properties:
+ *
+ *   - source: The filename of the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
+ *
+ * and an object is returned with the following properties:
+ *
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based. 
+ *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
+ */
+IndexedSourceMapConsumer.prototype.generatedPositionFor =
+  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+
+      // Only consider this section if the requested source is in the list of
+      // sources of the consumer.
+      if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) {
+        continue;
+      }
+      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
+      if (generatedPosition) {
+        var ret = {
+          line: generatedPosition.line +
+            (section.generatedOffset.generatedLine - 1),
+          column: generatedPosition.column +
+            (section.generatedOffset.generatedLine === generatedPosition.line
+             ? section.generatedOffset.generatedColumn - 1
+             : 0)
+        };
+        return ret;
+      }
+    }
+
+    return {
+      line: null,
+      column: null
+    };
+  };
+
+/**
+ * Parse the mappings in a string in to a data structure which we can easily
+ * query (the ordered arrays in the `this.__generatedMappings` and
+ * `this.__originalMappings` properties).
+ */
+IndexedSourceMapConsumer.prototype._parseMappings =
+  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+    this.__generatedMappings = [];
+    this.__originalMappings = [];
+    for (var i = 0; i < this._sections.length; i++) {
+      var section = this._sections[i];
+      var sectionMappings = section.consumer._generatedMappings;
+      for (var j = 0; j < sectionMappings.length; j++) {
+        var mapping = sectionMappings[j];
+
+        var source = section.consumer._sources.at(mapping.source);
+        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
+        this._sources.add(source);
+        source = this._sources.indexOf(source);
+
+        var name = null;
+        if (mapping.name) {
+          name = section.consumer._names.at(mapping.name);
+          this._names.add(name);
+          name = this._names.indexOf(name);
+        }
+
+        // The mappings coming from the consumer for the section have
+        // generated positions relative to the start of the section, so we
+        // need to offset them to be relative to the start of the concatenated
+        // generated file.
+        var adjustedMapping = {
+          source: source,
+          generatedLine: mapping.generatedLine +
+            (section.generatedOffset.generatedLine - 1),
+          generatedColumn: mapping.generatedColumn +
+            (section.generatedOffset.generatedLine === mapping.generatedLine
+            ? section.generatedOffset.generatedColumn - 1
+            : 0),
+          originalLine: mapping.originalLine,
+          originalColumn: mapping.originalColumn,
+          name: name
+        };
+
+        this.__generatedMappings.push(adjustedMapping);
+        if (typeof adjustedMapping.originalLine === 'number') {
+          this.__originalMappings.push(adjustedMapping);
+        }
+      }
+    }
+
+    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
+    quickSort(this.__originalMappings, util.compareByOriginalPositions);
+  };
+
+exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/source-map-generator.js b/node_modules/webpack-sources/node_modules/source-map/lib/source-map-generator.js
new file mode 100644
index 00000000..508bcfbb
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/source-map-generator.js
@@ -0,0 +1,425 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/source-node.js b/node_modules/webpack-sources/node_modules/source-map/lib/source-node.js
new file mode 100644
index 00000000..8bcdbe38
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/source-node.js
@@ -0,0 +1,413 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+var util = require('./util');
+
+// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
+// operating systems these days (capturing the result).
+var REGEX_NEWLINE = /(\r?\n)/;
+
+// Newline character code for charCodeAt() comparisons
+var NEWLINE_CODE = 10;
+
+// Private symbol for identifying `SourceNode`s when multiple versions of
+// the source-map library are loaded. This MUST NOT CHANGE across
+// versions!
+var isSourceNode = "$$$isSourceNode$$$";
+
+/**
+ * SourceNodes provide a way to abstract over interpolating/concatenating
+ * snippets of generated JavaScript source code while maintaining the line and
+ * column information associated with the original source code.
+ *
+ * @param aLine The original line number.
+ * @param aColumn The original column number.
+ * @param aSource The original source's filename.
+ * @param aChunks Optional. An array of strings which are snippets of
+ *        generated JS, or other SourceNodes.
+ * @param aName The original identifier.
+ */
+function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
+  this.children = [];
+  this.sourceContents = {};
+  this.line = aLine == null ? null : aLine;
+  this.column = aColumn == null ? null : aColumn;
+  this.source = aSource == null ? null : aSource;
+  this.name = aName == null ? null : aName;
+  this[isSourceNode] = true;
+  if (aChunks != null) this.add(aChunks);
+}
+
+/**
+ * Creates a SourceNode from generated code and a SourceMapConsumer.
+ *
+ * @param aGeneratedCode The generated code
+ * @param aSourceMapConsumer The SourceMap for the generated code
+ * @param aRelativePath Optional. The path that relative sources in the
+ *        SourceMapConsumer should be relative to.
+ */
+SourceNode.fromStringWithSourceMap =
+  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
+    // The SourceNode we want to fill with the generated code
+    // and the SourceMap
+    var node = new SourceNode();
+
+    // All even indices of this array are one line of the generated code,
+    // while all odd indices are the newlines between two adjacent lines
+    // (since `REGEX_NEWLINE` captures its match).
+    // Processed fragments are accessed by calling `shiftNextLine`.
+    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
+    var remainingLinesIndex = 0;
+    var shiftNextLine = function() {
+      var lineContents = getNextLine();
+      // The last line of a file might not have a newline.
+      var newLine = getNextLine() || "";
+      return lineContents + newLine;
+
+      function getNextLine() {
+        return remainingLinesIndex < remainingLines.length ?
+            remainingLines[remainingLinesIndex++] : undefined;
+      }
+    };
+
+    // We need to remember the position of "remainingLines"
+    var lastGeneratedLine = 1, lastGeneratedColumn = 0;
+
+    // The generate SourceNodes we need a code range.
+    // To extract it current and last mapping is used.
+    // Here we store the last mapping.
+    var lastMapping = null;
+
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      if (lastMapping !== null) {
+        // We add the code from "lastMapping" to "mapping":
+        // First check if there is a new line in between.
+        if (lastGeneratedLine < mapping.generatedLine) {
+          // Associate first line with "lastMapping"
+          addMappingWithCode(lastMapping, shiftNextLine());
+          lastGeneratedLine++;
+          lastGeneratedColumn = 0;
+          // The remaining code is added without mapping
+        } else {
+          // There is no new line in between.
+          // Associate the code between "lastGeneratedColumn" and
+          // "mapping.generatedColumn" with "lastMapping"
+          var nextLine = remainingLines[remainingLinesIndex] || '';
+          var code = nextLine.substr(0, mapping.generatedColumn -
+                                        lastGeneratedColumn);
+          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
+                                              lastGeneratedColumn);
+          lastGeneratedColumn = mapping.generatedColumn;
+          addMappingWithCode(lastMapping, code);
+          // No more remaining code, continue
+          lastMapping = mapping;
+          return;
+        }
+      }
+      // We add the generated code until the first mapping
+      // to the SourceNode without any mapping.
+      // Each line is added as separate string.
+      while (lastGeneratedLine < mapping.generatedLine) {
+        node.add(shiftNextLine());
+        lastGeneratedLine++;
+      }
+      if (lastGeneratedColumn < mapping.generatedColumn) {
+        var nextLine = remainingLines[remainingLinesIndex] || '';
+        node.add(nextLine.substr(0, mapping.generatedColumn));
+        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
+        lastGeneratedColumn = mapping.generatedColumn;
+      }
+      lastMapping = mapping;
+    }, this);
+    // We have processed all mappings.
+    if (remainingLinesIndex < remainingLines.length) {
+      if (lastMapping) {
+        // Associate the remaining code in the current line with "lastMapping"
+        addMappingWithCode(lastMapping, shiftNextLine());
+      }
+      // and add the remaining lines without any mapping
+      node.add(remainingLines.splice(remainingLinesIndex).join(""));
+    }
+
+    // Copy sourcesContent into SourceNode
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aRelativePath != null) {
+          sourceFile = util.join(aRelativePath, sourceFile);
+        }
+        node.setSourceContent(sourceFile, content);
+      }
+    });
+
+    return node;
+
+    function addMappingWithCode(mapping, code) {
+      if (mapping === null || mapping.source === undefined) {
+        node.add(code);
+      } else {
+        var source = aRelativePath
+          ? util.join(aRelativePath, mapping.source)
+          : mapping.source;
+        node.add(new SourceNode(mapping.originalLine,
+                                mapping.originalColumn,
+                                source,
+                                code,
+                                mapping.name));
+      }
+    }
+  };
+
+/**
+ * Add a chunk of generated JS to this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.add = function SourceNode_add(aChunk) {
+  if (Array.isArray(aChunk)) {
+    aChunk.forEach(function (chunk) {
+      this.add(chunk);
+    }, this);
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    if (aChunk) {
+      this.children.push(aChunk);
+    }
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Add a chunk of generated JS to the beginning of this source node.
+ *
+ * @param aChunk A string snippet of generated JS code, another instance of
+ *        SourceNode, or an array where each member is one of those things.
+ */
+SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+  if (Array.isArray(aChunk)) {
+    for (var i = aChunk.length-1; i >= 0; i--) {
+      this.prepend(aChunk[i]);
+    }
+  }
+  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
+    this.children.unshift(aChunk);
+  }
+  else {
+    throw new TypeError(
+      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+    );
+  }
+  return this;
+};
+
+/**
+ * Walk over the tree of JS snippets in this node and its children. The
+ * walking function is called once for each snippet of JS and is passed that
+ * snippet and the its original associated source's line/column location.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+  var chunk;
+  for (var i = 0, len = this.children.length; i < len; i++) {
+    chunk = this.children[i];
+    if (chunk[isSourceNode]) {
+      chunk.walk(aFn);
+    }
+    else {
+      if (chunk !== '') {
+        aFn(chunk, { source: this.source,
+                     line: this.line,
+                     column: this.column,
+                     name: this.name });
+      }
+    }
+  }
+};
+
+/**
+ * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+ * each of `this.children`.
+ *
+ * @param aSep The separator.
+ */
+SourceNode.prototype.join = function SourceNode_join(aSep) {
+  var newChildren;
+  var i;
+  var len = this.children.length;
+  if (len > 0) {
+    newChildren = [];
+    for (i = 0; i < len-1; i++) {
+      newChildren.push(this.children[i]);
+      newChildren.push(aSep);
+    }
+    newChildren.push(this.children[i]);
+    this.children = newChildren;
+  }
+  return this;
+};
+
+/**
+ * Call String.prototype.replace on the very right-most source snippet. Useful
+ * for trimming whitespace from the end of a source node, etc.
+ *
+ * @param aPattern The pattern to replace.
+ * @param aReplacement The thing to replace the pattern with.
+ */
+SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+  var lastChild = this.children[this.children.length - 1];
+  if (lastChild[isSourceNode]) {
+    lastChild.replaceRight(aPattern, aReplacement);
+  }
+  else if (typeof lastChild === 'string') {
+    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+  }
+  else {
+    this.children.push(''.replace(aPattern, aReplacement));
+  }
+  return this;
+};
+
+/**
+ * Set the source content for a source file. This will be added to the SourceMapGenerator
+ * in the sourcesContent field.
+ *
+ * @param aSourceFile The filename of the source file
+ * @param aSourceContent The content of the source file
+ */
+SourceNode.prototype.setSourceContent =
+  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+  };
+
+/**
+ * Walk over the tree of SourceNodes. The walking function is called for each
+ * source file content and is passed the filename and source content.
+ *
+ * @param aFn The traversal function.
+ */
+SourceNode.prototype.walkSourceContents =
+  function SourceNode_walkSourceContents(aFn) {
+    for (var i = 0, len = this.children.length; i < len; i++) {
+      if (this.children[i][isSourceNode]) {
+        this.children[i].walkSourceContents(aFn);
+      }
+    }
+
+    var sources = Object.keys(this.sourceContents);
+    for (var i = 0, len = sources.length; i < len; i++) {
+      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
+    }
+  };
+
+/**
+ * Return the string representation of this source node. Walks over the tree
+ * and concatenates all the various snippets together to one string.
+ */
+SourceNode.prototype.toString = function SourceNode_toString() {
+  var str = "";
+  this.walk(function (chunk) {
+    str += chunk;
+  });
+  return str;
+};
+
+/**
+ * Returns the string representation of this source node along with a source
+ * map.
+ */
+SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+  var generated = {
+    code: "",
+    line: 1,
+    column: 0
+  };
+  var map = new SourceMapGenerator(aArgs);
+  var sourceMappingActive = false;
+  var lastOriginalSource = null;
+  var lastOriginalLine = null;
+  var lastOriginalColumn = null;
+  var lastOriginalName = null;
+  this.walk(function (chunk, original) {
+    generated.code += chunk;
+    if (original.source !== null
+        && original.line !== null
+        && original.column !== null) {
+      if(lastOriginalSource !== original.source
+         || lastOriginalLine !== original.line
+         || lastOriginalColumn !== original.column
+         || lastOriginalName !== original.name) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          },
+          name: original.name
+        });
+      }
+      lastOriginalSource = original.source;
+      lastOriginalLine = original.line;
+      lastOriginalColumn = original.column;
+      lastOriginalName = original.name;
+      sourceMappingActive = true;
+    } else if (sourceMappingActive) {
+      map.addMapping({
+        generated: {
+          line: generated.line,
+          column: generated.column
+        }
+      });
+      lastOriginalSource = null;
+      sourceMappingActive = false;
+    }
+    for (var idx = 0, length = chunk.length; idx < length; idx++) {
+      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
+        generated.line++;
+        generated.column = 0;
+        // Mappings end at eol
+        if (idx + 1 === length) {
+          lastOriginalSource = null;
+          sourceMappingActive = false;
+        } else if (sourceMappingActive) {
+          map.addMapping({
+            source: original.source,
+            original: {
+              line: original.line,
+              column: original.column
+            },
+            generated: {
+              line: generated.line,
+              column: generated.column
+            },
+            name: original.name
+          });
+        }
+      } else {
+        generated.column++;
+      }
+    }
+  });
+  this.walkSourceContents(function (sourceFile, sourceContent) {
+    map.setSourceContent(sourceFile, sourceContent);
+  });
+
+  return { code: generated.code, map: map };
+};
+
+exports.SourceNode = SourceNode;
diff --git a/node_modules/webpack-sources/node_modules/source-map/lib/util.js b/node_modules/webpack-sources/node_modules/source-map/lib/util.js
new file mode 100644
index 00000000..3ca92e56
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/lib/util.js
@@ -0,0 +1,488 @@
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+
+  var parts = path.split(/\/+/);
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+}
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;
diff --git a/node_modules/webpack-sources/node_modules/source-map/package.json b/node_modules/webpack-sources/node_modules/source-map/package.json
new file mode 100644
index 00000000..24663417
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/package.json
@@ -0,0 +1,73 @@
+{
+  "name": "source-map",
+  "description": "Generates and consumes source maps",
+  "version": "0.6.1",
+  "homepage": "https://github.com/mozilla/source-map",
+  "author": "Nick Fitzgerald <nfitzgerald@mozilla.com>",
+  "contributors": [
+    "Tobias Koppers <tobias.koppers@googlemail.com>",
+    "Duncan Beevers <duncan@dweebd.com>",
+    "Stephen Crane <scrane@mozilla.com>",
+    "Ryan Seddon <seddon.ryan@gmail.com>",
+    "Miles Elam <miles.elam@deem.com>",
+    "Mihai Bazon <mihai.bazon@gmail.com>",
+    "Michael Ficarra <github.public.email@michael.ficarra.me>",
+    "Todd Wolfson <todd@twolfson.com>",
+    "Alexander Solovyov <alexander@solovyov.net>",
+    "Felix Gnass <fgnass@gmail.com>",
+    "Conrad Irwin <conrad.irwin@gmail.com>",
+    "usrbincc <usrbincc@yahoo.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Chase Douglas <chase@newrelic.com>",
+    "Evan Wallace <evan.exe@gmail.com>",
+    "Heather Arthur <fayearthur@gmail.com>",
+    "Hugh Kennedy <hughskennedy@gmail.com>",
+    "David Glasser <glasser@davidglasser.net>",
+    "Simon Lydell <simon.lydell@gmail.com>",
+    "Jmeas Smith <jellyes2@gmail.com>",
+    "Michael Z Goddard <mzgoddard@gmail.com>",
+    "azu <azu@users.noreply.github.com>",
+    "John Gozde <john@gozde.ca>",
+    "Adam Kirkton <akirkton@truefitinnovation.com>",
+    "Chris Montgomery <christopher.montgomery@dowjones.com>",
+    "J. Ryan Stinnett <jryans@gmail.com>",
+    "Jack Herrington <jherrington@walmartlabs.com>",
+    "Chris Truter <jeffpalentine@gmail.com>",
+    "Daniel Espeset <daniel@danielespeset.com>",
+    "Jamie Wong <jamie.lf.wong@gmail.com>",
+    "Eddy Bruël <ejpbruel@mozilla.com>",
+    "Hawken Rives <hawkrives@gmail.com>",
+    "Gilad Peleg <giladp007@gmail.com>",
+    "djchie <djchie.dev@gmail.com>",
+    "Gary Ye <garysye@gmail.com>",
+    "Nicolas Lalevée <nicolas.lalevee@hibnet.org>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mozilla/source-map.git"
+  },
+  "main": "./source-map.js",
+  "files": [
+    "source-map.js",
+    "source-map.d.ts",
+    "lib/",
+    "dist/source-map.debug.js",
+    "dist/source-map.js",
+    "dist/source-map.min.js",
+    "dist/source-map.min.js.map"
+  ],
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "test": "npm run build && node test/run-tests.js",
+    "build": "webpack --color",
+    "toc": "doctoc --title '## Table of Contents' README.md && doctoc --title '## Table of Contents' CONTRIBUTING.md"
+  },
+  "devDependencies": {
+    "doctoc": "^0.15.0",
+    "webpack": "^1.12.0"
+  },
+  "typings": "source-map"
+}
diff --git a/node_modules/webpack-sources/node_modules/source-map/source-map.d.ts b/node_modules/webpack-sources/node_modules/source-map/source-map.d.ts
new file mode 100644
index 00000000..8f972b0c
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/source-map.d.ts
@@ -0,0 +1,98 @@
+export interface StartOfSourceMap {
+    file?: string;
+    sourceRoot?: string;
+}
+
+export interface RawSourceMap extends StartOfSourceMap {
+    version: string;
+    sources: string[];
+    names: string[];
+    sourcesContent?: string[];
+    mappings: string;
+}
+
+export interface Position {
+    line: number;
+    column: number;
+}
+
+export interface LineRange extends Position {
+    lastColumn: number;
+}
+
+export interface FindPosition extends Position {
+    // SourceMapConsumer.GREATEST_LOWER_BOUND or SourceMapConsumer.LEAST_UPPER_BOUND
+    bias?: number;
+}
+
+export interface SourceFindPosition extends FindPosition {
+    source: string;
+}
+
+export interface MappedPosition extends Position {
+    source: string;
+    name?: string;
+}
+
+export interface MappingItem {
+    source: string;
+    generatedLine: number;
+    generatedColumn: number;
+    originalLine: number;
+    originalColumn: number;
+    name: string;
+}
+
+export class SourceMapConsumer {
+    static GENERATED_ORDER: number;
+    static ORIGINAL_ORDER: number;
+
+    static GREATEST_LOWER_BOUND: number;
+    static LEAST_UPPER_BOUND: number;
+
+    constructor(rawSourceMap: RawSourceMap);
+    computeColumnSpans(): void;
+    originalPositionFor(generatedPosition: FindPosition): MappedPosition;
+    generatedPositionFor(originalPosition: SourceFindPosition): LineRange;
+    allGeneratedPositionsFor(originalPosition: MappedPosition): Position[];
+    hasContentsOfAllSources(): boolean;
+    sourceContentFor(source: string, returnNullOnMissing?: boolean): string;
+    eachMapping(callback: (mapping: MappingItem) => void, context?: any, order?: number): void;
+}
+
+export interface Mapping {
+    generated: Position;
+    original: Position;
+    source: string;
+    name?: string;
+}
+
+export class SourceMapGenerator {
+    constructor(startOfSourceMap?: StartOfSourceMap);
+    static fromSourceMap(sourceMapConsumer: SourceMapConsumer): SourceMapGenerator;
+    addMapping(mapping: Mapping): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    applySourceMap(sourceMapConsumer: SourceMapConsumer, sourceFile?: string, sourceMapPath?: string): void;
+    toString(): string;
+}
+
+export interface CodeWithSourceMap {
+    code: string;
+    map: SourceMapGenerator;
+}
+
+export class SourceNode {
+    constructor();
+    constructor(line: number, column: number, source: string);
+    constructor(line: number, column: number, source: string, chunk?: string, name?: string);
+    static fromStringWithSourceMap(code: string, sourceMapConsumer: SourceMapConsumer, relativePath?: string): SourceNode;
+    add(chunk: string): void;
+    prepend(chunk: string): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    walk(fn: (chunk: string, mapping: MappedPosition) => void): void;
+    walkSourceContents(fn: (file: string, content: string) => void): void;
+    join(sep: string): SourceNode;
+    replaceRight(pattern: string, replacement: string): SourceNode;
+    toString(): string;
+    toStringWithSourceMap(startOfSourceMap?: StartOfSourceMap): CodeWithSourceMap;
+}
diff --git a/node_modules/webpack-sources/node_modules/source-map/source-map.js b/node_modules/webpack-sources/node_modules/source-map/source-map.js
new file mode 100644
index 00000000..bc88fe82
--- /dev/null
+++ b/node_modules/webpack-sources/node_modules/source-map/source-map.js
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./lib/source-node').SourceNode;
diff --git a/node_modules/webpack-sources/package.json b/node_modules/webpack-sources/package.json
new file mode 100644
index 00000000..e15a5a1c
--- /dev/null
+++ b/node_modules/webpack-sources/package.json
@@ -0,0 +1,50 @@
+{
+  "name": "webpack-sources",
+  "version": "1.4.3",
+  "description": "Source code handling classes for webpack",
+  "main": "./lib/index.js",
+  "scripts": {
+    "pretest": "npm run lint && npm run beautify-lint",
+    "test": "mocha --full-trace --check-leaks",
+    "travis": "npm run cover -- --report lcovonly",
+    "lint": "eslint lib test",
+    "beautify-lint": "beautify-lint lib/**.js test/**.js",
+    "beautify": "beautify-rewrite lib/**.js test/**.js",
+    "precover": "npm run lint && npm run beautify-lint",
+    "cover": "istanbul cover node_modules/mocha/bin/_mocha",
+    "publish-patch": "npm test && npm version patch && git push && git push --tags && npm publish"
+  },
+  "dependencies": {
+    "source-list-map": "^2.0.0",
+    "source-map": "~0.6.1"
+  },
+  "devDependencies": {
+    "beautify-lint": "^1.0.3",
+    "codecov.io": "^0.1.6",
+    "coveralls": "^2.11.6",
+    "eslint": "^4.18.2",
+    "eslint-plugin-nodeca": "^1.0.3",
+    "istanbul": "^0.4.1",
+    "js-beautify": "^1.5.10",
+    "mocha": "^3.4.2",
+    "should": "^11.2.1",
+    "sourcemap-validator": "^1.1.0"
+  },
+  "files": [
+    "lib/"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/webpack/webpack-sources.git"
+  },
+  "keywords": [
+    "webpack",
+    "source-map"
+  ],
+  "author": "Tobias Koppers @sokra",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/webpack/webpack-sources/issues"
+  },
+  "homepage": "https://github.com/webpack/webpack-sources#readme"
+}
diff --git a/node_modules/webpack/LICENSE b/node_modules/webpack/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/webpack/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/webpack/README.md b/node_modules/webpack/README.md
new file mode 100644
index 00000000..cc2afef6
--- /dev/null
+++ b/node_modules/webpack/README.md
@@ -0,0 +1,784 @@
+<div align="center">
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200" src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+  <br>
+  <br>
+
+[![npm][npm]][npm-url]
+
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![tests][tests]][tests-url]
+[![builds][builds]][builds-url]
+[![builds2][builds2]][builds2-url]
+[![coverage][cover]][cover-url]
+[![licenses][licenses]][licenses-url]
+[![PR's welcome][prs]][prs-url]
+
+  <br>
+  <a href="https://dependabot.com/compatibility-score.html?dependency-name=webpack&package-manager=npm_and_yarn&new-version=latest">
+    <img src="https://api.dependabot.com/badges/compatibility_score?dependency-name=webpack&package-manager=npm_and_yarn&version-scheme=semver&target-version=latest">
+  </a>
+	<a href="https://npmcharts.com/compare/webpack?minimal=true">
+		<img src="https://img.shields.io/npm/dm/webpack.svg">
+	</a>
+	<a href="https://packagephobia.now.sh/result?p=webpack">
+		<img src="https://packagephobia.now.sh/badge?p=webpack" alt="install size">
+	</a>
+	<a href="https://opencollective.com/webpack#backer">
+		<img src="https://opencollective.com/webpack/backers/badge.svg">
+	</a>
+	<a href="https://opencollective.com/webpack#sponsors">
+		<img src="https://opencollective.com/webpack/sponsors/badge.svg">
+	</a>
+	<a href="https://github.com/webpack/webpack/graphs/contributors">
+		<img src="https://img.shields.io/github/contributors/webpack/webpack.svg">
+	</a>
+	<a href="https://gitter.im/webpack/webpack">
+		<img src="https://badges.gitter.im/webpack/webpack.svg">
+	</a>
+  <h1>webpack</h1>
+  <p>
+    webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
+  </p>
+</div>
+
+## Table of Contents
+
+1. [Install](#install)
+2. [Introduction](#introduction)
+3. [Concepts](#concepts)
+4. [Contributing](#contributing)
+5. [Support](#support)
+6. [Core Team](#core-team)
+7. [Sponsoring](#sponsoring)
+8. [Premium Partners](#premium-partners)
+9. [Other Backers and Sponsors](#other-backers-and-sponsors)
+10. [Gold Sponsors](#gold-sponsors)
+11. [Silver Sponsors](#silver-sponsors)
+12. [Bronze Sponsors](#bronze-sponsors)
+13. [Backers](#backers)
+14. [Special Thanks](#special-thanks-to)
+
+<h2 align="center">Install</h2>
+
+Install with npm:
+
+```bash
+npm install --save-dev webpack
+```
+
+Install with yarn:
+
+```bash
+yarn add webpack --dev
+```
+
+<h2 align="center">Introduction</h2>
+
+webpack is a bundler for modules. The main purpose is to bundle JavaScript
+files for usage in a browser, yet it is also capable of transforming, bundling,
+or packaging just about any resource or asset.
+
+**TL;DR**
+
+* Bundles [ES Modules](http://www.2ality.com/2014/09/es6-modules-final.html), [CommonJS](http://wiki.commonjs.org/), and [AMD](https://github.com/amdjs/amdjs-api/wiki/AMD) modules (even combined).
+* Can create a single bundle or multiple chunks that are asynchronously loaded at runtime (to reduce initial loading time).
+* Dependencies are resolved during compilation, reducing the runtime size.
+* Loaders can preprocess files while compiling, e.g. TypeScript to JavaScript, Handlebars strings to compiled functions, images to Base64, etc.
+* Highly modular plugin system to do whatever else your application requires.
+
+### Get Started
+
+Check out webpack's quick [**Get Started**](https://webpack.js.org/guides/getting-started) guide and the [other guides](https://webpack.js.org/guides/).
+
+### Browser Compatibility
+
+webpack supports all browsers that are [ES5-compliant](http://kangax.github.io/compat-table/es5/) (IE8 and below are not supported).
+webpack also needs `Promise` for `import()` and `require.ensure()`. If you want to support older browsers, you will need to [load a polyfill](https://webpack.js.org/guides/shimming/) before using these expressions.
+
+<h2 align="center">Concepts</h2>
+
+### [Plugins](https://webpack.js.org/plugins/)
+
+webpack has a [rich plugin
+interface](https://webpack.js.org/plugins/). Most of the features
+within webpack itself use this plugin interface. This makes webpack very
+**flexible**.
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|[mini-css-extract-plugin][mini-css]|![mini-css-npm]|![mini-css-size]|Extracts CSS into separate files. It creates a CSS file per JS file which contains CSS.|
+|[compression-webpack-plugin][compression]|![compression-npm]|![compression-size]|Prepares compressed versions of assets to serve them with Content-Encoding|
+|[i18n-webpack-plugin][i18n]|![i18n-npm]|![i18n-size]|Adds i18n support to your bundles|
+|[html-webpack-plugin][html-plugin]|![html-plugin-npm]|![html-plugin-size]| Simplifies creation of HTML files (`index.html`) to serve your bundles|
+|[extract-text-webpack-plugin][extract]|![extract-npm]|![extract-size]|Extract text from a bundle, or bundles, into a separate file|
+
+[common-npm]: https://img.shields.io/npm/v/webpack.svg
+[extract]: https://github.com/webpack/extract-text-webpack-plugin
+[extract-npm]: https://img.shields.io/npm/v/extract-text-webpack-plugin.svg
+[extract-size]: https://packagephobia.now.sh/badge?p=extract-text-webpack-plugin
+[mini-css]: https://github.com/webpack-contrib/mini-css-extract-plugin
+[mini-css-npm]: https://img.shields.io/npm/v/mini-css-extract-plugin.svg
+[mini-css-size]: https://packagephobia.now.sh/badge?p=mini-css-extract-plugin
+[component]: https://github.com/webpack/component-webpack-plugin
+[component-npm]: https://img.shields.io/npm/v/component-webpack-plugin.svg
+[component-size]: https://packagephobia.now.sh/badge?p=component-webpack-plugin
+[compression]: https://github.com/webpack/compression-webpack-plugin
+[compression-npm]: https://img.shields.io/npm/v/compression-webpack-plugin.svg
+[compression-size]: https://packagephobia.now.sh/badge?p=compression-webpack-plugin
+[i18n]: https://github.com/webpack/i18n-webpack-plugin
+[i18n-npm]: https://img.shields.io/npm/v/i18n-webpack-plugin.svg
+[i18n-size]: https://packagephobia.now.sh/badge?p=i18n-webpack-plugin
+[html-plugin]: https://github.com/ampedandwired/html-webpack-plugin
+[html-plugin-npm]: https://img.shields.io/npm/v/html-webpack-plugin.svg
+[html-plugin-size]: https://packagephobia.now.sh/badge?p=html-webpack-plugin
+
+### [Loaders](https://webpack.js.org/loaders/)
+
+webpack enables use of loaders to preprocess files. This allows you to bundle
+**any static resource** way beyond JavaScript. You can easily [write your own
+loaders](https://webpack.js.org/api/loaders/) using Node.js.
+
+Loaders are activated by using `loadername!` prefixes in `require()` statements,
+or are automatically applied via regex from your webpack configuration.
+
+#### Files
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|[raw-loader][raw]|![raw-npm]|![raw-size]|Loads raw content of a file (utf-8)|
+|[val-loader][val]|![val-npm]|![val-size]|Executes code as module and considers exports as JS code|
+|[url-loader][url]|![url-npm]|![url-size]|Works like the file loader, but can return a Data Url if the file is smaller than a limit|
+|[file-loader][file]|![file-npm]|![file-size]|Emits the file into the output folder and returns the (relative) url|
+
+
+[raw]: https://github.com/webpack/raw-loader
+[raw-npm]: https://img.shields.io/npm/v/raw-loader.svg
+[raw-size]: https://packagephobia.now.sh/badge?p=raw-loader
+[val]: https://github.com/webpack/val-loader
+[val-npm]: https://img.shields.io/npm/v/val-loader.svg
+[val-size]: https://packagephobia.now.sh/badge?p=val-loader
+[url]: https://github.com/webpack/url-loader
+[url-npm]: https://img.shields.io/npm/v/url-loader.svg
+[url-size]: https://packagephobia.now.sh/badge?p=url-loader
+[file]: https://github.com/webpack/file-loader
+[file-npm]: https://img.shields.io/npm/v/file-loader.svg
+[file-size]: https://packagephobia.now.sh/badge?p=file-loader
+
+#### JSON
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/webpack/json-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/json.svg"></a>|![json-npm]|![json-size]|Loads a JSON file (included by default)|
+|<a href="https://github.com/webpack/json5-loader"><img width="48" height="10.656" src="https://cdn.rawgit.com/json5/json5-logo/master/json5-logo.svg"></a>|![json5-npm]|![json5-size]|Loads and transpiles a JSON 5 file|
+|<a href="https://github.com/awnist/cson-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/coffeescript.svg"></a>|![cson-npm]|![cson-size]|Loads and transpiles a CSON file|
+
+
+[json-npm]: https://img.shields.io/npm/v/json-loader.svg
+[json-size]: https://packagephobia.now.sh/badge?p=json-loader
+[json5-npm]: https://img.shields.io/npm/v/json5-loader.svg
+[json5-size]: https://packagephobia.now.sh/badge?p=json5-loader
+[cson-npm]: https://img.shields.io/npm/v/cson-loader.svg
+[cson-size]: https://packagephobia.now.sh/badge?p=cson-loader
+
+#### Transpiling
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/webpack/script-loader">`<script>`</a>|![script-npm]|![script-size]|Executes a JavaScript file once in global context (like in script tag), `require()`s are not parsed|
+|<a href="https://github.com/babel/babel-loader"><img width="48" height="48" title="babel-loader" src="https://worldvectorlogo.com/logos/babel-10.svg"></a>|![babel-npm]|![babel-size]|Loads ES2015+ code and transpiles to ES5 using <a href="https://github.com/babel/babel">Babel</a>|
+|<a href="https://github.com/jupl/traceur-loader"><img width="48" height="48" src="https://google.github.com/traceur-compiler/logo/tc.svg"></a>|![traceur-npm]|![traceur-size]|Loads ES2015+ code and transpiles to ES5 using [Traceur](https://github.com/google/traceur-compiler)|
+|<a href="https://github.com/TypeStrong/ts-loader"><img width="48" height="48" src="https://cdn.rawgit.com/Microsoft/TypeScript/master/doc/logo.svg"></a>|![type-npm]|![type-size]|Loads TypeScript like JavaScript|
+|[`awesome-typescript-loader`](https://github.com/s-panferov/awesome-typescript-loader)|![awesome-typescript-npm]|![awesome-typescript-size]|Awesome TypeScript loader for webpack|
+|<a href="https://github.com/webpack/coffee-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/coffeescript.svg"></a>|![coffee-npm]|![coffee-size]|Loads CoffeeScript like JavaScript|
+
+
+[script-npm]: https://img.shields.io/npm/v/script-loader.svg
+[script-size]: https://packagephobia.now.sh/badge?p=script-loader
+[babel-npm]: https://img.shields.io/npm/v/babel-loader.svg
+[babel-size]: https://packagephobia.now.sh/badge?p=babel-loader
+[traceur-npm]: https://img.shields.io/npm/v/traceur-loader.svg
+[traceur-size]: https://packagephobia.now.sh/badge?p=traceur-loader
+[coffee-npm]: https://img.shields.io/npm/v/coffee-loader.svg
+[coffee-size]: https://packagephobia.now.sh/badge?p=coffee-loader
+[type-npm]: https://img.shields.io/npm/v/ts-loader.svg
+[type-size]: https://packagephobia.now.sh/badge?p=ts-loader
+[awesome-typescript-npm]: https://img.shields.io/npm/v/awesome-typescript-loader.svg
+[awesome-typescript-size]: https://packagephobia.now.sh/badge?p=awesome-typescript-loader
+
+#### Templating
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/webpack/html-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/html5.svg"></a>|![html-npm]|![html-size]|Exports HTML as string, requires references to static resources|
+|<a href="https://github.com/pugjs/pug-loader"><img width="48" height="48" src="https://cdn.rawgit.com/pugjs/pug-logo/master/SVG/pug-final-logo-_-colour-128.svg"></a>|![pug-npm]|![pug-size]|Loads Pug templates and returns a function|
+|<a href="https://github.com/webpack/jade-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/jade-3.svg"></a>|![jade-npm]|![jade-size]|Loads Jade templates and returns a function|
+|<a href="https://github.com/peerigon/markdown-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/markdown.svg"></a>|![md-npm]|![md-size]|Compiles Markdown to HTML|
+|<a href="https://github.com/posthtml/posthtml-loader"><img width="48" height="48" src="http://posthtml.github.io/posthtml/logo.svg"></a>|![posthtml-npm]|![posthtml-size]|Loads and transforms a HTML file using [PostHTML](https://github.com/posthtml/posthtml)|
+|<a href="https://github.com/altano/handlebars-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/handlebars-1.svg"></a>|![hbs-npm]|![hbs-size]| Compiles Handlebars to HTML|
+
+
+[html-npm]: https://img.shields.io/npm/v/html-loader.svg
+[html-size]: https://packagephobia.now.sh/badge?p=html-loader
+[pug-npm]: https://img.shields.io/npm/v/pug-loader.svg
+[pug-size]: https://packagephobia.now.sh/badge?p=pug-loader
+[jade-npm]: https://img.shields.io/npm/v/jade-loader.svg
+[jade-size]: https://packagephobia.now.sh/badge?p=jade-loader
+[md-npm]: https://img.shields.io/npm/v/markdown-loader.svg
+[md-size]: https://packagephobia.now.sh/badge?p=markdown-loader
+[posthtml-npm]: https://img.shields.io/npm/v/posthtml-loader.svg
+[posthtml-size]: https://packagephobia.now.sh/badge?p=posthtml-loader
+[hbs-npm]: https://img.shields.io/npm/v/handlebars-loader.svg
+[hbs-size]: https://packagephobia.now.sh/badge?p=handlebars-loader
+
+#### Styling
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/webpack/style-loader">`<style>`</a>|![style-npm]|![style-size]|Add exports of a module as style to DOM|
+|<a href="https://github.com/webpack/css-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/css-3.svg"></a>|![css-npm]|![css-size]|Loads CSS file with resolved imports and returns CSS code|
+|<a href="https://github.com/webpack/less-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/less-63.svg"></a>|![less-npm]|![less-size]|Loads and compiles a LESS file|
+|<a href="https://github.com/jtangelder/sass-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/sass-1.svg"></a>|![sass-npm]|![sass-size]|Loads and compiles a Sass/SCSS file|
+|<a href="https://github.com/shama/stylus-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/stylus.svg"></a>|![stylus-npm]|![stylus-size]|Loads and compiles a Stylus file|
+|<a href="https://github.com/postcss/postcss-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/postcss.svg"></a>|![postcss-npm]|![postcss-size]|Loads and transforms a CSS/SSS file using [PostCSS](http://postcss.org)|
+
+
+[style-npm]: https://img.shields.io/npm/v/style-loader.svg
+[style-size]: https://packagephobia.now.sh/badge?p=style-loader
+[css-npm]: https://img.shields.io/npm/v/css-loader.svg
+[css-size]: https://packagephobia.now.sh/badge?p=css-loader
+[less-npm]: https://img.shields.io/npm/v/less-loader.svg
+[less-size]: https://packagephobia.now.sh/badge?p=less-loader
+[sass-npm]: https://img.shields.io/npm/v/sass-loader.svg
+[sass-size]: https://packagephobia.now.sh/badge?p=sass-loader
+[stylus-npm]: https://img.shields.io/npm/v/stylus-loader.svg
+[stylus-size]: https://packagephobia.now.sh/badge?p=stylus-loader
+[postcss-npm]: https://img.shields.io/npm/v/postcss-loader.svg
+[postcss-size]: https://packagephobia.now.sh/badge?p=postcss-loader
+
+#### Linting & Testing
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/webpack/mocha-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/mocha.svg"></a>|![mocha-npm]|![mocha-size]|Tests with mocha (Browser/NodeJS)|
+|<a href="https://github.com/MoOx/eslint-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/eslint.svg"></a>|![eslint-npm]|![eslint-size]|PreLoader for linting code using ESLint|
+|<a href="https://github.com/webpack-contrib/jshint-loader"><img width="48" height="20.64" src="http://jshint.com/res/jshint-dark.png"></a>|![jshint-npm]|![jshint-size]|PreLoader for linting code using JSHint|
+
+[mocha-npm]: https://img.shields.io/npm/v/mocha-loader.svg
+[mocha-size]: https://packagephobia.now.sh/badge?p=mocha-loader
+[eslint-npm]: https://img.shields.io/npm/v/eslint-loader.svg
+[eslint-size]: https://packagephobia.now.sh/badge?p=eslint-loader
+[jshint-npm]: https://img.shields.io/npm/v/jshint-loader.svg
+[jshint-size]: https://packagephobia.now.sh/badge?p=jshint-loader
+[jscs-npm]: https://img.shields.io/npm/v/jscs-loader.svg
+[jscs-size]: https://packagephobia.now.sh/badge?p=jscs-loader
+
+#### Frameworks
+
+|Name|Status|Install Size|Description|
+|:--:|:----:|:----------:|:----------|
+|<a href="https://github.com/vuejs/vue-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/vue-9.svg"></a>|![vue-npm]|![vue-size]|Loads and compiles Vue Components|
+|<a href="https://github.com/webpack-contrib/polymer-webpack-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/polymer.svg"></a>|![polymer-npm]|![polymer-size]|Process HTML & CSS with preprocessor of choice and `require()` Web Components like first-class modules|
+|<a href="https://github.com/TheLarkInn/angular2-template-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/angular-icon-1.svg"></a>|![angular-npm]|![angular-size]| Loads and compiles Angular 2 Components|
+|<a href="https://github.com/riot/tag-loader"><img width="48" height="48" src="https://worldvectorlogo.com/logos/riot.svg"></a>|![riot-npm]|![riot-size]| Riot official webpack loader|
+
+
+
+[vue-npm]: https://img.shields.io/npm/v/vue-loader.svg
+[vue-size]: https://packagephobia.now.sh/badge?p=vue-loader
+[polymer-npm]: https://img.shields.io/npm/v/polymer-webpack-loader.svg
+[polymer-size]: https://packagephobia.now.sh/badge?p=polymer-webpack-loader
+[angular-npm]: https://img.shields.io/npm/v/angular2-template-loader.svg
+[angular-size]: https://packagephobia.now.sh/badge?p=angular2-template-loader
+[riot-npm]: https://img.shields.io/npm/v/riot-tag-loader.svg
+[riot-size]: https://packagephobia.now.sh/badge?p=riot-tag-loader
+
+### Performance
+
+webpack uses async I/O and has multiple caching levels. This makes webpack fast
+and incredibly **fast** on incremental compilations.
+
+### Module Formats
+
+webpack supports ES2015+, CommonJS and AMD modules **out of the box**. It performs clever static
+analysis on the AST of your code. It even has an evaluation engine to evaluate
+simple expressions. This allows you to **support most existing libraries** out of the box.
+
+### [Code Splitting](https://webpack.js.org/guides/code-splitting/)
+
+webpack allows you to split your codebase into multiple chunks. Chunks are
+loaded asynchronously at runtime. This reduces the initial loading time.
+
+### [Optimizations](https://webpack.js.org/guides/production-build/)
+
+webpack can do many optimizations to **reduce the output size of your
+JavaScript** by deduplicating frequently used modules, minifying, and giving
+you full control of what is loaded initially and what is loaded at runtime
+through code splitting. It can also make your code chunks **cache
+friendly** by using hashes.
+
+<h2 align="center">Contributing</h2>
+
+**We want contributing to webpack to be fun, enjoyable, and educational for anyone, and everyone.** We have a [vibrant ecosystem](https://medium.com/webpack/contributors-guide/home) that spans beyond this single repo. We welcome you to check out any of the repositories in [our organization](http://github.com/webpack) or [webpack-contrib organization](http://github.com/webpack-contrib) which houses all of our loaders and plugins.
+
+Contributions go far beyond pull requests and commits. Although we love giving you the opportunity to put your stamp on webpack, we also are thrilled to receive a variety of other contributions including:
+
+* [Documentation](https://github.com/webpack/webpack.js.org) updates, enhancements, designs, or bugfixes
+* Spelling or grammar fixes
+* README.md corrections or redesigns
+* Adding unit, or functional tests
+* Triaging GitHub issues -- especially determining whether an issue still persists or is reproducible.
+* [Searching #webpack on twitter](https://twitter.com/search?q=webpack) and helping someone else who needs help
+* Teaching others how to contribute to one of the many webpack's repos!
+* [Blogging, speaking about, or creating tutorials](https://github.com/webpack-contrib/awesome-webpack) about one of webpack's many features.
+* Helping others in our webpack [gitter channel](https://gitter.im/webpack/webpack).
+
+If you are worried or don't know where to start, you can **always** reach out to [Sean Larkin (@TheLarkInn) on Twitter](https://twitter.com/thelarkinn) or simply submit an issue and a maintainer can help give you guidance!
+
+We have also started a series on our [Medium Publication](https://medium.com/webpack) called [The Contributor's Guide to webpack](https://medium.com/webpack/contributors-guide/home). We welcome you to read it and post any questions or responses if you still need help.
+
+_Looking to speak about webpack?_ We'd **love** to review your talk abstract/CFP! You can email it to webpack [at] opencollective [dot] com and we can give pointers or tips!!!
+
+<h3 align="center">Creating your own plugins and loaders</h3>
+
+If you create a loader or plugin, we would <3 for you to open source it, and put it on npm. We follow the `x-loader`, `x-webpack-plugin` naming convention.
+
+<h2 align="center">Support</h2>
+
+We consider webpack to be a low-level tool used not only individually but also layered beneath other awesome tools. Because of its flexibility, webpack isn't always the _easiest_ entry-level solution, however we do believe it is the most powerful. That said, we're always looking for ways to improve and simplify the tool without compromising functionality. If you have any ideas on ways to accomplish this, we're all ears!
+
+If you're just getting started, take a look at [our new docs and concepts page](https://webpack.js.org/concepts/). This has a high level overview that is great for beginners!!
+
+Looking for webpack 1 docs? Please check out the old [wiki](https://github.com/webpack/docs/wiki/contents), but note that this deprecated version is no longer supported.
+
+If you want to discuss something or just need help, [here is our Gitter room](https://gitter.im/webpack/webpack) where there are always individuals looking to help out!
+
+If you are still having difficulty, we would love for you to post
+a question to [StackOverflow with the webpack tag](https://stackoverflow.com/tags/webpack). It is much easier to answer questions that include your webpack.config.js and relevant files! So if you can provide them, we'd be extremely grateful (and more likely to help you find the answer!)
+
+If you are twitter savvy you can tweet #webpack with your question and someone should be able to reach out and help also.
+
+If you have discovered a 🐜 or have a feature suggestion, feel free to create an issue on Github.
+
+### License
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fwebpack%2Fwebpack.svg?type=large)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fwebpack%2Fwebpack?ref=badge_large)
+
+<h2 align="center">Core Team</h2>
+
+<table>
+  <tbody>
+    <tr>
+      <td align="center" valign="top">
+        <img width="150" height="150" src="https://github.com/sokra.png?s=150">
+        <br>
+        <a href="https://github.com/sokra">Tobias Koppers</a>
+        <p>Core</p>
+        <br>
+        <p>Founder of webpack</p>
+      </td>
+      <td align="center" valign="top">
+        <img width="150" height="150" src="https://github.com/jhnns.png?s=150">
+        <br>
+        <a href="https://github.com/jhnns">Johannes Ewald</a>
+        <p>Loaders &amp; Plugins</p>
+        <br>
+        <p>Early adopter of webpack</p>
+      </td>
+      <td align="center" width="20%" valign="top">
+        <img width="150" height="150" src="https://github.com/TheLarkInn.png?s=150">
+        <br>
+        <a href="https://github.com/TheLarkInn">Sean T. Larkin</a>
+        <p>Public Relations</p>
+        <br>
+        <p>Founder of the core team</p>
+      </td>
+      <td align="center" valign="top">
+        <img width="150" height="150" src="https://github.com/spacek33z.png?s=150">
+        <br>
+        <a href="https://github.com/spacek33z">Kees Kluskens</a>
+        <p>Development</p>
+        <br>
+        <p>Sponsor</p>
+        <a href="https://codeyellow.nl/">
+          <img height="15px" src="https://cloud.githubusercontent.com/assets/1365881/20286583/ad62eb04-aac7-11e6-9c14-a0fef35b9b56.png">
+        </a>
+		<br>
+      </td>
+     </tr>
+  </tbody>
+</table>
+
+<h2 align="center">Sponsoring</h2>
+
+Most of the core team members, webpack contributors and contributors in the ecosystem do this open source work in their free time. If you use webpack for a serious task, and you'd like us to invest more time on it, please donate. This project increases your income/productivity too. It makes development and applications faster and it reduces the required bandwidth.
+
+This is how we use the donations:
+
+* Allow the core team to work on webpack
+* Thank contributors if they invested a large amount of time in contributing
+* Support projects in the ecosystem that are of great value for users
+* Support projects that are voted most (work in progress)
+* Infrastructure cost
+* Fees for money handling
+
+
+<h2 align="center">Premium Partners</h2>
+
+<div align="center">
+
+<a href="https://www.ag-grid.com/?utm_source=webpack&utm_medium=banner&utm_campaign=sponsorship" target="_blank"><img align="center" src="https://raw.githubusercontent.com/webpack/media/2b399d58/horiz-banner-ad-ag-grid.png">
+</a>
+
+</div>
+
+<h2 align="center">Other Backers and Sponsors</h2>
+
+Before we started using OpenCollective, donations were made anonymously. Now that we have made the switch, we would like to acknowledge these sponsors (and the ones who continue to donate using OpenCollective). If we've missed someone, please send us a PR, and we'll add you to this list.
+
+<div align="center">
+
+[Google Angular Team](https://angular.io/), [Architects.io](http://architects.io/),
+<a href="https://moonmail.io" target="_blank" title="Email Marketing Software"><img
+src="https://static.moonmail.io/moonmail-logo.svg" height="30" alt="MoonMail"></a>
+<a href="https://monei.net" target="_blank" title="Best payment gateway rates"><img
+src="https://static.monei.net/monei-logo.svg" height="30" alt="MONEI"></a>
+
+</div>
+
+<h2 align="center">Gold Sponsors</h2>
+
+[Become a gold sponsor](https://opencollective.com/webpack#sponsor) and get your logo on our README on Github with a link to your site.
+
+<div align="center">
+
+<a href="https://opencollective.com/webpack/goldsponsor/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/0/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/1/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/1/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/2/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/2/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/3/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/3/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/4/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/4/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/5/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/5/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/6/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/6/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/7/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/7/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/8/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/8/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/9/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/9/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/10/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/10/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/11/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/11/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/12/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/12/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/13/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/13/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/14/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/14/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/15/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/15/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/16/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/16/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/17/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/17/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/18/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/18/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/19/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/19/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/20/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/20/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/21/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/21/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/22/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/22/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/23/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/23/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/24/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/24/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/25/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/25/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/26/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/26/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/27/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/27/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/28/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/28/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/goldsponsor/29/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/goldsponsor/29/avatar.svg?requireActive=false"></a>
+
+</div>
+
+<h2 align="center">Silver Sponsors</h2>
+
+[Become a silver sponsor](https://opencollective.com/webpack#sponsor) and get your logo on our README on Github with a link to your site.
+
+<div align="center">
+
+<a href="https://opencollective.com/webpack/silversponsor/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/0/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/1/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/1/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/2/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/2/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/3/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/3/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/4/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/4/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/5/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/5/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/6/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/6/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/7/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/7/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/8/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/8/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/9/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/9/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/10/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/10/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/11/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/11/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/12/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/12/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/13/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/13/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/14/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/14/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/15/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/15/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/16/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/16/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/17/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/17/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/18/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/18/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/19/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/19/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/20/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/20/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/21/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/21/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/22/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/22/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/23/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/23/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/24/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/24/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/25/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/25/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/26/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/26/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/27/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/27/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/28/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/28/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/silversponsor/29/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/silversponsor/29/avatar.svg?requireActive=false"></a>
+
+</div>
+
+<h2 align="center">Bronze Sponsors</h2>
+
+[Become a bronze sponsor](https://opencollective.com/webpack#sponsor) and get your logo on our README on Github with a link to your site.
+
+<div align="center">
+
+<a href="https://opencollective.com/webpack/sponsor/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/0/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/1/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/1/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/2/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/2/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/3/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/3/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/4/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/4/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/5/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/5/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/6/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/6/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/7/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/7/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/8/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/8/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/9/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/9/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/10/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/10/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/11/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/11/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/12/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/12/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/13/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/13/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/14/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/14/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/15/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/15/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/16/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/16/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/17/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/17/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/18/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/18/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/19/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/19/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/20/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/20/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/21/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/21/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/22/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/22/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/23/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/23/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/24/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/24/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/25/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/25/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/26/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/26/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/27/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/27/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/28/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/28/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/29/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/29/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/30/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/30/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/31/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/31/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/32/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/32/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/33/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/33/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/34/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/34/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/35/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/35/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/36/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/36/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/37/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/37/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/38/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/38/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/39/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/39/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/40/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/40/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/41/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/41/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/42/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/42/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/43/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/43/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/44/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/44/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/45/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/45/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/46/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/46/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/47/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/47/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/48/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/48/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/49/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/49/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/50/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/50/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/51/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/51/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/52/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/52/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/53/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/53/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/54/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/54/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/55/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/55/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/56/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/56/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/57/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/57/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/58/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/58/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/59/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/59/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/60/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/60/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/61/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/61/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/62/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/62/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/63/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/63/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/64/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/64/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/65/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/65/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/66/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/66/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/67/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/67/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/68/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/68/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/69/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/69/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/70/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/70/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/71/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/71/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/72/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/72/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/73/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/73/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/74/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/74/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/75/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/75/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/76/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/76/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/77/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/77/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/78/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/78/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/79/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/79/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/80/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/80/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/81/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/81/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/82/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/82/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/83/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/83/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/84/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/84/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/85/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/85/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/86/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/86/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/87/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/87/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/88/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/88/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/89/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/89/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/90/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/90/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/91/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/91/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/92/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/92/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/93/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/93/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/94/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/94/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/95/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/95/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/96/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/96/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/97/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/97/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/98/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/98/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/99/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/99/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/sponsor/100/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/sponsor/100/avatar.svg?requireActive=false"></a>
+
+</div>
+
+<h2 align="center">Backers</h2>
+
+[Become a backer](https://opencollective.com/webpack#backer) and get your image on our README on Github with a link to your site.
+
+<a href="https://opencollective.com/webpack/backer/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/0/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/1/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/1/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/2/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/2/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/3/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/3/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/4/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/4/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/5/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/5/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/6/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/6/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/7/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/7/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/8/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/8/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/9/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/9/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/10/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/10/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/11/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/11/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/12/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/12/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/13/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/13/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/14/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/14/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/15/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/15/avatar.svg?requireActive=false"></a>
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+<a href="https://opencollective.com/webpack/backer/31/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/31/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/32/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/32/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/33/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/33/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/34/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/34/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/35/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/35/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/36/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/36/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/37/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/37/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/38/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/38/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/39/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/39/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/40/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/40/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/41/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/41/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/42/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/42/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/43/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/43/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/44/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/44/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/45/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/45/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/46/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/46/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/47/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/47/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/48/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/48/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/49/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/49/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/50/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/50/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/51/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/51/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/52/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/52/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/53/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/53/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/54/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/54/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/55/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/55/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/56/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/56/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/57/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/57/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/58/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/58/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/59/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/59/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/60/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/60/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/61/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/61/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/62/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/62/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/63/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/63/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/64/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/64/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/65/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/65/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/66/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/66/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/67/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/67/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/68/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/68/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/69/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/69/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/70/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/70/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/71/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/71/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/72/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/72/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/73/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/73/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/74/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/74/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/75/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/75/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/76/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/76/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/77/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/77/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/78/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/78/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/79/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/79/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/80/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/80/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/81/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/81/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/82/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/82/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/83/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/83/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/84/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/84/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/85/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/85/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/86/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/86/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/87/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/87/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/88/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/88/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/89/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/89/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/90/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/90/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/91/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/91/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/92/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/92/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/93/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/93/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/94/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/94/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/95/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/95/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/96/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/96/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/97/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/97/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/98/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/98/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/99/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/99/avatar.svg?requireActive=false"></a>
+<a href="https://opencollective.com/webpack/backer/100/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/100/avatar.svg?requireActive=false"></a>
+
+<h2 align="center">Special Thanks to</h2>
+<p align="center">(In chronological order)</p>
+
+* @google for [Google Web Toolkit (GWT)](http://www.gwtproject.org/), which aims to compile Java to JavaScript. It features a similar [Code Splitting](http://www.gwtproject.org/doc/latest/DevGuideCodeSplitting.html) as webpack.
+* @medikoo for [modules-webmake](https://github.com/medikoo/modules-webmake), which is a similar project. webpack was born because I wanted Code Splitting for modules-webmake. Interestingly the [Code Splitting issue is still open](https://github.com/medikoo/modules-webmake/issues/7) (thanks also to @Phoscur for the discussion).
+* @substack for [browserify](http://browserify.org/), which is a similar project and source for many ideas.
+* @jrburke for [require.js](http://requirejs.org/), which is a similar project and source for many ideas.
+* @defunctzombie for the [browser-field spec](https://gist.github.com/defunctzombie/4339901), which makes modules available for node.js, browserify and webpack.
+* Every early webpack user, which contributed to webpack by writing issues or PRs. You influenced the direction...
+* @shama, @jhnns and @sokra for maintaining this project
+* Everyone who has written a loader for webpack. You are the ecosystem...
+* Everyone I forgot to mention here, but also influenced webpack.
+
+
+[npm]: https://img.shields.io/npm/v/webpack.svg
+[npm-url]: https://npmjs.com/package/webpack
+
+[node]: https://img.shields.io/node/v/webpack.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://img.shields.io/david/webpack/webpack.svg
+[deps-url]: https://david-dm.org/webpack/webpack
+
+[tests]: https://img.shields.io/travis/webpack/webpack/master.svg
+[tests-url]: https://travis-ci.org/webpack/webpack
+
+[prs]: https://img.shields.io/badge/PRs-welcome-brightgreen.svg
+[prs-url]: https://webpack.js.org/contribute/
+
+[builds-url]: https://ci.appveyor.com/project/sokra/webpack/branch/master
+[builds]: https://ci.appveyor.com/api/projects/status/github/webpack/webpack?svg=true
+
+[builds2]: https://dev.azure.com/webpack/webpack/_apis/build/status/webpack.webpack
+[builds2-url]: https://dev.azure.com/webpack/webpack/_build/latest?definitionId=3
+
+[licenses-url]: https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fwebpack%2Fwebpack?ref=badge_shield
+[licenses]: https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fwebpack%2Fwebpack.svg?type=shield
+
+[cover]: https://img.shields.io/coveralls/webpack/webpack.svg
+[cover-url]: https://coveralls.io/r/webpack/webpack/
diff --git a/node_modules/webpack/SECURITY.md b/node_modules/webpack/SECURITY.md
new file mode 100644
index 00000000..0551ac70
--- /dev/null
+++ b/node_modules/webpack/SECURITY.md
@@ -0,0 +1,9 @@
+# Reporting Security Issues
+
+If you discover a security issue in webpack, please report it by sending an
+email to [webpack@opencollective.com](mailto:webpack@opencollective.com).
+
+This will allow us to assess the risk, and make a fix available before we add a
+bug report to the GitHub repository.
+
+Thanks for helping make webpack safe for everyone.
diff --git a/node_modules/webpack/bin/webpack.js b/node_modules/webpack/bin/webpack.js
new file mode 100644
index 00000000..ca31cfb0
--- /dev/null
+++ b/node_modules/webpack/bin/webpack.js
@@ -0,0 +1,171 @@
+#!/usr/bin/env node
+
+// @ts-ignore
+process.exitCode = 0;
+
+/**
+ * @param {string} command process to run
+ * @param {string[]} args commandline arguments
+ * @returns {Promise<void>} promise
+ */
+const runCommand = (command, args) => {
+	const cp = require("child_process");
+	return new Promise((resolve, reject) => {
+		const executedCommand = cp.spawn(command, args, {
+			stdio: "inherit",
+			shell: true
+		});
+
+		executedCommand.on("error", error => {
+			reject(error);
+		});
+
+		executedCommand.on("exit", code => {
+			if (code === 0) {
+				resolve();
+			} else {
+				reject();
+			}
+		});
+	});
+};
+
+/**
+ * @param {string} packageName name of the package
+ * @returns {boolean} is the package installed?
+ */
+const isInstalled = packageName => {
+	try {
+		require.resolve(packageName);
+
+		return true;
+	} catch (err) {
+		return false;
+	}
+};
+
+/**
+ * @typedef {Object} CliOption
+ * @property {string} name display name
+ * @property {string} package npm package name
+ * @property {string} binName name of the executable file
+ * @property {string} alias shortcut for choice
+ * @property {boolean} installed currently installed?
+ * @property {boolean} recommended is recommended
+ * @property {string} url homepage
+ * @property {string} description description
+ */
+
+/** @type {CliOption[]} */
+const CLIs = [
+	{
+		name: "webpack-cli",
+		package: "webpack-cli",
+		binName: "webpack-cli",
+		alias: "cli",
+		installed: isInstalled("webpack-cli"),
+		recommended: true,
+		url: "https://github.com/webpack/webpack-cli",
+		description: "The original webpack full-featured CLI."
+	},
+	{
+		name: "webpack-command",
+		package: "webpack-command",
+		binName: "webpack-command",
+		alias: "command",
+		installed: isInstalled("webpack-command"),
+		recommended: false,
+		url: "https://github.com/webpack-contrib/webpack-command",
+		description: "A lightweight, opinionated webpack CLI."
+	}
+];
+
+const installedClis = CLIs.filter(cli => cli.installed);
+
+if (installedClis.length === 0) {
+	const path = require("path");
+	const fs = require("fs");
+	const readLine = require("readline");
+
+	let notify =
+		"One CLI for webpack must be installed. These are recommended choices, delivered as separate packages:";
+
+	for (const item of CLIs) {
+		if (item.recommended) {
+			notify += `\n - ${item.name} (${item.url})\n   ${item.description}`;
+		}
+	}
+
+	console.error(notify);
+
+	const isYarn = fs.existsSync(path.resolve(process.cwd(), "yarn.lock"));
+
+	const packageManager = isYarn ? "yarn" : "npm";
+	const installOptions = [isYarn ? "add" : "install", "-D"];
+
+	console.error(
+		`We will use "${packageManager}" to install the CLI via "${packageManager} ${installOptions.join(
+			" "
+		)}".`
+	);
+
+	const question = `Do you want to install 'webpack-cli' (yes/no): `;
+
+	const questionInterface = readLine.createInterface({
+		input: process.stdin,
+		output: process.stderr
+	});
+	questionInterface.question(question, answer => {
+		questionInterface.close();
+
+		const normalizedAnswer = answer.toLowerCase().startsWith("y");
+
+		if (!normalizedAnswer) {
+			console.error(
+				"You need to install 'webpack-cli' to use webpack via CLI.\n" +
+					"You can also install the CLI manually."
+			);
+			process.exitCode = 1;
+
+			return;
+		}
+
+		const packageName = "webpack-cli";
+
+		console.log(
+			`Installing '${packageName}' (running '${packageManager} ${installOptions.join(
+				" "
+			)} ${packageName}')...`
+		);
+
+		runCommand(packageManager, installOptions.concat(packageName))
+			.then(() => {
+				require(packageName); //eslint-disable-line
+			})
+			.catch(error => {
+				console.error(error);
+				process.exitCode = 1;
+			});
+	});
+} else if (installedClis.length === 1) {
+	const path = require("path");
+	const pkgPath = require.resolve(`${installedClis[0].package}/package.json`);
+	// eslint-disable-next-line node/no-missing-require
+	const pkg = require(pkgPath);
+	// eslint-disable-next-line node/no-missing-require
+	require(path.resolve(
+		path.dirname(pkgPath),
+		pkg.bin[installedClis[0].binName]
+	));
+} else {
+	console.warn(
+		`You have installed ${installedClis
+			.map(item => item.name)
+			.join(
+				" and "
+			)} together. To work with the "webpack" command you need only one CLI package, please remove one of them or use them directly via their binary.`
+	);
+
+	// @ts-ignore
+	process.exitCode = 1;
+}
diff --git a/node_modules/webpack/buildin/amd-define.js b/node_modules/webpack/buildin/amd-define.js
new file mode 100644
index 00000000..0d32606a
--- /dev/null
+++ b/node_modules/webpack/buildin/amd-define.js
@@ -0,0 +1,3 @@
+module.exports = function() {
+	throw new Error("define cannot be used indirect");
+};
diff --git a/node_modules/webpack/buildin/amd-options.js b/node_modules/webpack/buildin/amd-options.js
new file mode 100644
index 00000000..f7dd4753
--- /dev/null
+++ b/node_modules/webpack/buildin/amd-options.js
@@ -0,0 +1,2 @@
+/* globals __webpack_amd_options__ */
+module.exports = __webpack_amd_options__;
diff --git a/node_modules/webpack/buildin/global.js b/node_modules/webpack/buildin/global.js
new file mode 100644
index 00000000..2e7bf0b6
--- /dev/null
+++ b/node_modules/webpack/buildin/global.js
@@ -0,0 +1,20 @@
+var g;
+
+// This works in non-strict mode
+g = (function() {
+	return this;
+})();
+
+try {
+	// This works if eval is allowed (see CSP)
+	g = g || new Function("return this")();
+} catch (e) {
+	// This works if the window reference is available
+	if (typeof window === "object") g = window;
+}
+
+// g can still be undefined, but nothing to do about it...
+// We return undefined, instead of nothing here, so it's
+// easier to handle this case. if(!global) { ...}
+
+module.exports = g;
diff --git a/node_modules/webpack/buildin/harmony-module.js b/node_modules/webpack/buildin/harmony-module.js
new file mode 100644
index 00000000..c1614658
--- /dev/null
+++ b/node_modules/webpack/buildin/harmony-module.js
@@ -0,0 +1,24 @@
+module.exports = function(originalModule) {
+	if (!originalModule.webpackPolyfill) {
+		var module = Object.create(originalModule);
+		// module.parent = undefined by default
+		if (!module.children) module.children = [];
+		Object.defineProperty(module, "loaded", {
+			enumerable: true,
+			get: function() {
+				return module.l;
+			}
+		});
+		Object.defineProperty(module, "id", {
+			enumerable: true,
+			get: function() {
+				return module.i;
+			}
+		});
+		Object.defineProperty(module, "exports", {
+			enumerable: true
+		});
+		module.webpackPolyfill = 1;
+	}
+	return module;
+};
diff --git a/node_modules/webpack/buildin/module.js b/node_modules/webpack/buildin/module.js
new file mode 100644
index 00000000..c92808b6
--- /dev/null
+++ b/node_modules/webpack/buildin/module.js
@@ -0,0 +1,22 @@
+module.exports = function(module) {
+	if (!module.webpackPolyfill) {
+		module.deprecate = function() {};
+		module.paths = [];
+		// module.parent = undefined by default
+		if (!module.children) module.children = [];
+		Object.defineProperty(module, "loaded", {
+			enumerable: true,
+			get: function() {
+				return module.l;
+			}
+		});
+		Object.defineProperty(module, "id", {
+			enumerable: true,
+			get: function() {
+				return module.i;
+			}
+		});
+		module.webpackPolyfill = 1;
+	}
+	return module;
+};
diff --git a/node_modules/webpack/buildin/system.js b/node_modules/webpack/buildin/system.js
new file mode 100644
index 00000000..9ba70a38
--- /dev/null
+++ b/node_modules/webpack/buildin/system.js
@@ -0,0 +1,7 @@
+// Provide a "System" global.
+module.exports = {
+	// Make sure import is only used as "System.import"
+	import: function() {
+		throw new Error("System.import cannot be used indirectly");
+	}
+};
diff --git a/node_modules/webpack/declarations/WebpackOptions.d.ts b/node_modules/webpack/declarations/WebpackOptions.d.ts
new file mode 100644
index 00000000..9de09783
--- /dev/null
+++ b/node_modules/webpack/declarations/WebpackOptions.d.ts
@@ -0,0 +1,1466 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "Entry".
+ */
+export type Entry = EntryDynamic | EntryStatic;
+/**
+ * A Function returning an entry object, an entry string, an entry array or a promise to these things.
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "EntryDynamic".
+ */
+export type EntryDynamic = () => EntryStatic | Promise<EntryStatic>;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "EntryStatic".
+ */
+export type EntryStatic = EntryObject | EntryItem;
+/**
+ * A non-empty array of non-empty strings
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "NonEmptyArrayOfUniqueStringValues".
+ */
+export type NonEmptyArrayOfUniqueStringValues = string[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "EntryItem".
+ */
+export type EntryItem = string | NonEmptyArrayOfUniqueStringValues;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "Externals".
+ */
+export type Externals =
+	| ((
+			context: string,
+			request: string,
+			callback: (err?: Error, result?: string) => void
+	  ) => void)
+	| ExternalItem
+	| (
+			| ((
+					context: string,
+					request: string,
+					callback: (err?: Error, result?: string) => void
+			  ) => void)
+			| ExternalItem
+	  )[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "ExternalItem".
+ */
+export type ExternalItem =
+	| string
+	| {
+			/**
+			 * The dependency used for the external
+			 */
+			[k: string]:
+				| string
+				| {
+						[k: string]: any;
+				  }
+				| ArrayOfStringValues
+				| boolean;
+	  }
+	| RegExp;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "ArrayOfStringValues".
+ */
+export type ArrayOfStringValues = string[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "FilterTypes".
+ */
+export type FilterTypes = FilterItemTypes | FilterItemTypes[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "FilterItemTypes".
+ */
+export type FilterItemTypes = RegExp | string | ((value: string) => boolean);
+/**
+ * One or multiple rule conditions
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetConditionOrConditions".
+ */
+export type RuleSetConditionOrConditions = RuleSetCondition | RuleSetConditions;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetCondition".
+ */
+export type RuleSetCondition =
+	| RegExp
+	| string
+	| ((value: string) => boolean)
+	| RuleSetConditions
+	| {
+			/**
+			 * Logical AND
+			 */
+			and?: RuleSetConditions;
+			/**
+			 * Exclude all modules matching any of these conditions
+			 */
+			exclude?: RuleSetConditionOrConditions;
+			/**
+			 * Exclude all modules matching not any of these conditions
+			 */
+			include?: RuleSetConditionOrConditions;
+			/**
+			 * Logical NOT
+			 */
+			not?: RuleSetConditions;
+			/**
+			 * Logical OR
+			 */
+			or?: RuleSetConditions;
+			/**
+			 * Exclude all modules matching any of these conditions
+			 */
+			test?: RuleSetConditionOrConditions;
+	  };
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetConditions".
+ */
+export type RuleSetConditions = RuleSetCondition[];
+/**
+ * One or multiple rule conditions
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetConditionOrConditionsAbsolute".
+ */
+export type RuleSetConditionOrConditionsAbsolute =
+	| RuleSetConditionAbsolute
+	| RuleSetConditionsAbsolute;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetConditionAbsolute".
+ */
+export type RuleSetConditionAbsolute =
+	| RegExp
+	| string
+	| ((value: string) => boolean)
+	| RuleSetConditionsAbsolute
+	| {
+			/**
+			 * Logical AND
+			 */
+			and?: RuleSetConditionsAbsolute;
+			/**
+			 * Exclude all modules matching any of these conditions
+			 */
+			exclude?: RuleSetConditionOrConditionsAbsolute;
+			/**
+			 * Exclude all modules matching not any of these conditions
+			 */
+			include?: RuleSetConditionOrConditionsAbsolute;
+			/**
+			 * Logical NOT
+			 */
+			not?: RuleSetConditionsAbsolute;
+			/**
+			 * Logical OR
+			 */
+			or?: RuleSetConditionsAbsolute;
+			/**
+			 * Exclude all modules matching any of these conditions
+			 */
+			test?: RuleSetConditionOrConditionsAbsolute;
+	  };
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetConditionsAbsolute".
+ */
+export type RuleSetConditionsAbsolute = RuleSetConditionAbsolute[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetLoader".
+ */
+export type RuleSetLoader = string;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetUse".
+ */
+export type RuleSetUse = RuleSetUseItem | Function | RuleSetUseItem[];
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetUseItem".
+ */
+export type RuleSetUseItem =
+	| RuleSetLoader
+	| Function
+	| {
+			/**
+			 * Unique loader identifier
+			 */
+			ident?: string;
+			/**
+			 * Loader name
+			 */
+			loader?: RuleSetLoader;
+			/**
+			 * Loader options
+			 */
+			options?: RuleSetQuery;
+			/**
+			 * Loader query
+			 */
+			query?: RuleSetQuery;
+	  };
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetQuery".
+ */
+export type RuleSetQuery =
+	| {
+			[k: string]: any;
+	  }
+	| string;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "ArrayOfStringOrStringArrayValues".
+ */
+export type ArrayOfStringOrStringArrayValues = (string | string[])[];
+/**
+ * Function acting as plugin
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "WebpackPluginFunction".
+ */
+export type WebpackPluginFunction = (
+	this: import("../lib/Compiler"),
+	compiler: import("../lib/Compiler")
+) => void;
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetRules".
+ */
+export type RuleSetRules = RuleSetRule[];
+
+export interface WebpackOptions {
+	/**
+	 * Set the value of `require.amd` and `define.amd`. Or disable AMD support.
+	 */
+	amd?:
+		| false
+		| {
+				[k: string]: any;
+		  };
+	/**
+	 * Report the first error as a hard error instead of tolerating it.
+	 */
+	bail?: boolean;
+	/**
+	 * Cache generated modules and chunks to improve performance for multiple incremental builds.
+	 */
+	cache?:
+		| boolean
+		| {
+				[k: string]: any;
+		  };
+	/**
+	 * The base directory (absolute path!) for resolving the `entry` option. If `output.pathinfo` is set, the included pathinfo is shortened to this directory.
+	 */
+	context?: string;
+	/**
+	 * References to other configurations to depend on.
+	 */
+	dependencies?: string[];
+	/**
+	 * Options for the webpack-dev-server
+	 */
+	devServer?: {
+		[k: string]: any;
+	};
+	/**
+	 * A developer tool to enhance debugging.
+	 */
+	devtool?: string | false;
+	/**
+	 * The entry point(s) of the compilation.
+	 */
+	entry?: Entry;
+	/**
+	 * Specify dependencies that shouldn't be resolved by webpack, but should become dependencies of the resulting bundle. The kind of the dependency depends on `output.libraryTarget`.
+	 */
+	externals?: Externals;
+	/**
+	 * Options for infrastructure level logging
+	 */
+	infrastructureLogging?: {
+		/**
+		 * Enable debug logging for specific loggers
+		 */
+		debug?: FilterTypes | boolean;
+		/**
+		 * Log level
+		 */
+		level?: "none" | "error" | "warn" | "info" | "log" | "verbose";
+	};
+	/**
+	 * Custom values available in the loader context.
+	 */
+	loader?: {
+		[k: string]: any;
+	};
+	/**
+	 * Enable production optimizations or development hints.
+	 */
+	mode?: "development" | "production" | "none";
+	/**
+	 * Options affecting the normal modules (`NormalModuleFactory`).
+	 */
+	module?: ModuleOptions;
+	/**
+	 * Name of the configuration. Used when loading multiple configurations.
+	 */
+	name?: string;
+	/**
+	 * Include polyfills or mocks for various node stuff.
+	 */
+	node?: false | NodeOptions;
+	/**
+	 * Enables/Disables integrated optimizations
+	 */
+	optimization?: OptimizationOptions;
+	/**
+	 * Options affecting the output of the compilation. `output` options tell webpack how to write the compiled files to disk.
+	 */
+	output?: OutputOptions;
+	/**
+	 * The number of parallel processed modules in the compilation.
+	 */
+	parallelism?: number;
+	/**
+	 * Configuration for web performance recommendations.
+	 */
+	performance?: false | PerformanceOptions;
+	/**
+	 * Add additional plugins to the compiler.
+	 */
+	plugins?: (WebpackPluginInstance | WebpackPluginFunction)[];
+	/**
+	 * Capture timing information for each module.
+	 */
+	profile?: boolean;
+	/**
+	 * Store compiler state to a json file.
+	 */
+	recordsInputPath?: string;
+	/**
+	 * Load compiler state from a json file.
+	 */
+	recordsOutputPath?: string;
+	/**
+	 * Store/Load compiler state from/to a json file. This will result in persistent ids of modules and chunks. An absolute path is expected. `recordsPath` is used for `recordsInputPath` and `recordsOutputPath` if they left undefined.
+	 */
+	recordsPath?: string;
+	/**
+	 * Options for the resolver
+	 */
+	resolve?: ResolveOptions;
+	/**
+	 * Options for the resolver when resolving loaders
+	 */
+	resolveLoader?: ResolveOptions;
+	/**
+	 * Options for webpack-serve
+	 */
+	serve?: {
+		[k: string]: any;
+	};
+	/**
+	 * Used by the webpack CLI program to pass stats options.
+	 */
+	stats?:
+		| StatsOptions
+		| boolean
+		| (
+				| "none"
+				| "errors-only"
+				| "minimal"
+				| "normal"
+				| "detailed"
+				| "verbose"
+				| "errors-warnings"
+		  );
+	/**
+	 * Environment to build for
+	 */
+	target?:
+		| (
+				| "web"
+				| "webworker"
+				| "node"
+				| "async-node"
+				| "node-webkit"
+				| "electron-main"
+				| "electron-renderer"
+				| "electron-preload"
+		  )
+		| ((compiler: import("../lib/Compiler")) => void);
+	/**
+	 * Enter watch mode, which rebuilds on file change.
+	 */
+	watch?: boolean;
+	/**
+	 * Options for the watcher
+	 */
+	watchOptions?: {
+		/**
+		 * Delay the rebuilt after the first change. Value is a time in ms.
+		 */
+		aggregateTimeout?: number;
+		/**
+		 * Ignore some files from watching
+		 */
+		ignored?: {
+			[k: string]: any;
+		};
+		/**
+		 * Enable polling mode for watching
+		 */
+		poll?: boolean | number;
+		/**
+		 * Stop watching when stdin stream has ended
+		 */
+		stdin?: boolean;
+	};
+}
+/**
+ * Multiple entry bundles are created. The key is the chunk name. The value can be a string or an array.
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "EntryObject".
+ */
+export interface EntryObject {
+	/**
+	 * An entry point with name
+	 */
+	[k: string]: string | NonEmptyArrayOfUniqueStringValues;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "ModuleOptions".
+ */
+export interface ModuleOptions {
+	/**
+	 * An array of rules applied by default for modules.
+	 */
+	defaultRules?: RuleSetRules;
+	/**
+	 * Enable warnings for full dynamic dependencies
+	 */
+	exprContextCritical?: boolean;
+	/**
+	 * Enable recursive directory lookup for full dynamic dependencies
+	 */
+	exprContextRecursive?: boolean;
+	/**
+	 * Sets the default regular expression for full dynamic dependencies
+	 */
+	exprContextRegExp?: boolean | RegExp;
+	/**
+	 * Set the default request for full dynamic dependencies
+	 */
+	exprContextRequest?: string;
+	/**
+	 * Don't parse files matching. It's matched against the full resolved request.
+	 */
+	noParse?: RegExp[] | RegExp | Function | string[] | string;
+	/**
+	 * An array of rules applied for modules.
+	 */
+	rules?: RuleSetRules;
+	/**
+	 * Emit errors instead of warnings when imported names don't exist in imported module
+	 */
+	strictExportPresence?: boolean;
+	/**
+	 * Handle the this context correctly according to the spec for namespace objects
+	 */
+	strictThisContextOnImports?: boolean;
+	/**
+	 * Enable warnings when using the require function in a not statically analyse-able way
+	 */
+	unknownContextCritical?: boolean;
+	/**
+	 * Enable recursive directory lookup when using the require function in a not statically analyse-able way
+	 */
+	unknownContextRecursive?: boolean;
+	/**
+	 * Sets the regular expression when using the require function in a not statically analyse-able way
+	 */
+	unknownContextRegExp?: boolean | RegExp;
+	/**
+	 * Sets the request when using the require function in a not statically analyse-able way
+	 */
+	unknownContextRequest?: string;
+	/**
+	 * Cache the resolving of module requests
+	 */
+	unsafeCache?: boolean | Function;
+	/**
+	 * Enable warnings for partial dynamic dependencies
+	 */
+	wrappedContextCritical?: boolean;
+	/**
+	 * Enable recursive directory lookup for partial dynamic dependencies
+	 */
+	wrappedContextRecursive?: boolean;
+	/**
+	 * Set the inner regular expression for partial dynamic dependencies
+	 */
+	wrappedContextRegExp?: RegExp;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "RuleSetRule".
+ */
+export interface RuleSetRule {
+	/**
+	 * Match the child compiler name
+	 */
+	compiler?: RuleSetConditionOrConditions;
+	/**
+	 * Enforce this rule as pre or post step
+	 */
+	enforce?: "pre" | "post";
+	/**
+	 * Shortcut for resource.exclude
+	 */
+	exclude?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Shortcut for resource.include
+	 */
+	include?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Match the issuer of the module (The module pointing to this module)
+	 */
+	issuer?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Shortcut for use.loader
+	 */
+	loader?: RuleSetLoader | RuleSetUse;
+	/**
+	 * Shortcut for use.loader
+	 */
+	loaders?: RuleSetUse;
+	/**
+	 * Only execute the first matching rule in this array
+	 */
+	oneOf?: RuleSetRules;
+	/**
+	 * Shortcut for use.options
+	 */
+	options?: RuleSetQuery;
+	/**
+	 * Options for parsing
+	 */
+	parser?: {
+		[k: string]: any;
+	};
+	/**
+	 * Shortcut for use.query
+	 */
+	query?: RuleSetQuery;
+	/**
+	 * Match rules with custom resource name
+	 */
+	realResource?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Options for the resolver
+	 */
+	resolve?: ResolveOptions;
+	/**
+	 * Match the resource path of the module
+	 */
+	resource?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Match the resource query of the module
+	 */
+	resourceQuery?: RuleSetConditionOrConditions;
+	/**
+	 * Match and execute these rules when this rule is matched
+	 */
+	rules?: RuleSetRules;
+	/**
+	 * Flags a module as with or without side effects
+	 */
+	sideEffects?: boolean;
+	/**
+	 * Shortcut for resource.test
+	 */
+	test?: RuleSetConditionOrConditionsAbsolute;
+	/**
+	 * Module type to use for the module
+	 */
+	type?:
+		| "javascript/auto"
+		| "javascript/dynamic"
+		| "javascript/esm"
+		| "json"
+		| "webassembly/experimental";
+	/**
+	 * Modifiers applied to the module when rule is matched
+	 */
+	use?: RuleSetUse;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "ResolveOptions".
+ */
+export interface ResolveOptions {
+	/**
+	 * Redirect module requests
+	 */
+	alias?:
+		| {
+				/**
+				 * New request
+				 */
+				[k: string]: string;
+		  }
+		| {
+				/**
+				 * New request
+				 */
+				alias?: string;
+				/**
+				 * Request to be redirected
+				 */
+				name?: string;
+				/**
+				 * Redirect only exact matching request
+				 */
+				onlyModule?: boolean;
+		  }[];
+	/**
+	 * Fields in the description file (package.json) which are used to redirect requests inside the module
+	 */
+	aliasFields?: ArrayOfStringOrStringArrayValues;
+	/**
+	 * Predicate function to decide which requests should be cached
+	 */
+	cachePredicate?: Function;
+	/**
+	 * Include the context information in the cache identifier when caching
+	 */
+	cacheWithContext?: boolean;
+	/**
+	 * Enable concord resolving extras
+	 */
+	concord?: boolean;
+	/**
+	 * Filenames used to find a description file
+	 */
+	descriptionFiles?: ArrayOfStringValues;
+	/**
+	 * Enforce using one of the extensions from the extensions option
+	 */
+	enforceExtension?: boolean;
+	/**
+	 * Enforce using one of the module extensions from the moduleExtensions option
+	 */
+	enforceModuleExtension?: boolean;
+	/**
+	 * Extensions added to the request when trying to find the file
+	 */
+	extensions?: ArrayOfStringValues;
+	/**
+	 * Filesystem for the resolver
+	 */
+	fileSystem?: {
+		[k: string]: any;
+	};
+	/**
+	 * Enable to ignore fatal errors happening during resolving of 'resolve.roots'. Usually such errors should not happen, but this option is provided for backward-compatibility.
+	 */
+	ignoreRootsErrors?: boolean;
+	/**
+	 * Field names from the description file (package.json) which are used to find the default entry point
+	 */
+	mainFields?: ArrayOfStringOrStringArrayValues;
+	/**
+	 * Filenames used to find the default entry point if there is no description file or main field
+	 */
+	mainFiles?: ArrayOfStringValues;
+	/**
+	 * Extensions added to the module request when trying to find the module
+	 */
+	moduleExtensions?: ArrayOfStringValues;
+	/**
+	 * Folder names or directory paths where to find modules
+	 */
+	modules?: ArrayOfStringValues;
+	/**
+	 * Plugins for the resolver
+	 */
+	plugins?: (WebpackPluginInstance | WebpackPluginFunction)[];
+	/**
+	 * Prefer to resolve server-relative URLs (starting with '/') as absolute paths before falling back to resolve in 'resolve.roots'.
+	 */
+	preferAbsolute?: boolean;
+	/**
+	 * Custom resolver
+	 */
+	resolver?: {
+		[k: string]: any;
+	};
+	/**
+	 * A list of directories in which requests that are server-relative URLs (starting with '/') are resolved.
+	 */
+	roots?: string[];
+	/**
+	 * Enable resolving symlinks to the original location
+	 */
+	symlinks?: boolean;
+	/**
+	 * Enable caching of successfully resolved requests
+	 */
+	unsafeCache?:
+		| boolean
+		| {
+				[k: string]: any;
+		  };
+	/**
+	 * Use synchronous filesystem calls for the resolver
+	 */
+	useSyncFileSystemCalls?: boolean;
+}
+/**
+ * Plugin instance
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "WebpackPluginInstance".
+ */
+export interface WebpackPluginInstance {
+	/**
+	 * The run point of the plugin, required method.
+	 */
+	apply: (compiler: import("../lib/Compiler")) => void;
+	[k: string]: any;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "NodeOptions".
+ */
+export interface NodeOptions {
+	/**
+	 * Include a polyfill for the 'Buffer' variable
+	 */
+	Buffer?: false | true | "mock";
+	/**
+	 * Include a polyfill for the '__dirname' variable
+	 */
+	__dirname?: false | true | "mock";
+	/**
+	 * Include a polyfill for the '__filename' variable
+	 */
+	__filename?: false | true | "mock";
+	/**
+	 * Include a polyfill for the 'console' variable
+	 */
+	console?: false | true | "mock";
+	/**
+	 * Include a polyfill for the 'global' variable
+	 */
+	global?: boolean;
+	/**
+	 * Include a polyfill for the 'process' variable
+	 */
+	process?: false | true | "mock";
+	/**
+	 * Include a polyfill for the node.js module
+	 */
+	[k: string]: false | true | "mock" | "empty";
+}
+/**
+ * Enables/Disables integrated optimizations
+ *
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "OptimizationOptions".
+ */
+export interface OptimizationOptions {
+	/**
+	 * Check for incompatible wasm types when importing/exporting from/to ESM
+	 */
+	checkWasmTypes?: boolean;
+	/**
+	 * Define the algorithm to choose chunk ids (named: readable ids for better debugging, size: numeric ids focused on minimal initial download size, total-size: numeric ids focused on minimal total download size, false: no algorithm used, as custom one can be provided via plugin)
+	 */
+	chunkIds?: "natural" | "named" | "size" | "total-size" | false;
+	/**
+	 * Concatenate modules when possible to generate less modules, more efficient code and enable more optimizations by the minimizer
+	 */
+	concatenateModules?: boolean;
+	/**
+	 * Also flag chunks as loaded which contain a subset of the modules
+	 */
+	flagIncludedChunks?: boolean;
+	/**
+	 * Use hashed module id instead module identifiers for better long term caching (deprecated, used moduleIds: hashed instead)
+	 */
+	hashedModuleIds?: boolean;
+	/**
+	 * Reduce size of WASM by changing imports to shorter strings.
+	 */
+	mangleWasmImports?: boolean;
+	/**
+	 * Merge chunks which contain the same modules
+	 */
+	mergeDuplicateChunks?: boolean;
+	/**
+	 * Enable minimizing the output. Uses optimization.minimizer.
+	 */
+	minimize?: boolean;
+	/**
+	 * Minimizer(s) to use for minimizing the output
+	 */
+	minimizer?: (WebpackPluginInstance | WebpackPluginFunction)[];
+	/**
+	 * Define the algorithm to choose module ids (natural: numeric ids in order of usage, named: readable ids for better debugging, hashed: short hashes as ids for better long term caching, size: numeric ids focused on minimal initial download size, total-size: numeric ids focused on minimal total download size, false: no algorithm used, as custom one can be provided via plugin)
+	 */
+	moduleIds?: "natural" | "named" | "hashed" | "size" | "total-size" | false;
+	/**
+	 * Use readable chunk identifiers for better debugging (deprecated, used chunkIds: named instead)
+	 */
+	namedChunks?: boolean;
+	/**
+	 * Use readable module identifiers for better debugging (deprecated, used moduleIds: named instead)
+	 */
+	namedModules?: boolean;
+	/**
+	 * Avoid emitting assets when errors occur
+	 */
+	noEmitOnErrors?: boolean;
+	/**
+	 * Set process.env.NODE_ENV to a specific value
+	 */
+	nodeEnv?: false | string;
+	/**
+	 * Figure out a order of modules which results in the smallest initial bundle
+	 */
+	occurrenceOrder?: boolean;
+	/**
+	 * Generate records with relative paths to be able to move the context folder
+	 */
+	portableRecords?: boolean;
+	/**
+	 * Figure out which exports are provided by modules to generate more efficient code
+	 */
+	providedExports?: boolean;
+	/**
+	 * Removes modules from chunks when these modules are already included in all parents
+	 */
+	removeAvailableModules?: boolean;
+	/**
+	 * Remove chunks which are empty
+	 */
+	removeEmptyChunks?: boolean;
+	/**
+	 * Create an additional chunk which contains only the webpack runtime and chunk hash maps
+	 */
+	runtimeChunk?:
+		| boolean
+		| ("single" | "multiple")
+		| {
+				/**
+				 * The name or name factory for the runtime chunks
+				 */
+				name?: string | Function;
+		  };
+	/**
+	 * Skip over modules which are flagged to contain no side effects when exports are not used
+	 */
+	sideEffects?: boolean;
+	/**
+	 * Optimize duplication and caching by splitting chunks by shared modules and cache group
+	 */
+	splitChunks?: false | OptimizationSplitChunksOptions;
+	/**
+	 * Figure out which exports are used by modules to mangle export names, omit unused exports and generate more efficient code
+	 */
+	usedExports?: boolean;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "OptimizationSplitChunksOptions".
+ */
+export interface OptimizationSplitChunksOptions {
+	/**
+	 * Sets the name delimiter for created chunks
+	 */
+	automaticNameDelimiter?: string;
+	/**
+	 * Sets the max length for the name of a created chunk
+	 */
+	automaticNameMaxLength?: number;
+	/**
+	 * Assign modules to a cache group (modules from different cache groups are tried to keep in separate chunks)
+	 */
+	cacheGroups?: {
+		/**
+		 * Configuration for a cache group
+		 */
+		[k: string]:
+			| false
+			| Function
+			| string
+			| RegExp
+			| {
+					/**
+					 * Sets the name delimiter for created chunks
+					 */
+					automaticNameDelimiter?: string;
+					/**
+					 * Sets the max length for the name of a created chunk
+					 */
+					automaticNameMaxLength?: number;
+					/**
+					 * Sets the name prefix for created chunks
+					 */
+					automaticNamePrefix?: string;
+					/**
+					 * Select chunks for determining cache group content (defaults to "initial", "initial" and "all" requires adding these chunks to the HTML)
+					 */
+					chunks?: ("initial" | "async" | "all") | Function;
+					/**
+					 * Ignore minimum size, minimum chunks and maximum requests and always create chunks for this cache group
+					 */
+					enforce?: boolean;
+					/**
+					 * Size threshold at which splitting is enforced and other restrictions (maxAsyncRequests, maxInitialRequests) are ignored.
+					 */
+					enforceSizeThreshold?: number;
+					/**
+					 * Sets the template for the filename for created chunks (Only works for initial chunks)
+					 */
+					filename?: string;
+					/**
+					 * Maximum number of requests which are accepted for on-demand loading
+					 */
+					maxAsyncRequests?: number;
+					/**
+					 * Maximum number of initial chunks which are accepted for an entry point
+					 */
+					maxInitialRequests?: number;
+					/**
+					 * Maximal size hint for the created chunks
+					 */
+					maxSize?: number;
+					/**
+					 * Minimum number of times a module has to be duplicated until it's considered for splitting
+					 */
+					minChunks?: number;
+					/**
+					 * Minimal size for the created chunk
+					 */
+					minSize?: number;
+					/**
+					 * Give chunks for this cache group a name (chunks with equal name are merged)
+					 */
+					name?: boolean | Function | string;
+					/**
+					 * Priority of this cache group
+					 */
+					priority?: number;
+					/**
+					 * Try to reuse existing chunk (with name) when it has matching modules
+					 */
+					reuseExistingChunk?: boolean;
+					/**
+					 * Assign modules to a cache group
+					 */
+					test?: Function | string | RegExp;
+			  };
+	};
+	/**
+	 * Select chunks for determining shared modules (defaults to "async", "initial" and "all" requires adding these chunks to the HTML)
+	 */
+	chunks?: ("initial" | "async" | "all") | Function;
+	/**
+	 * Size threshold at which splitting is enforced and other restrictions (maxAsyncRequests, maxInitialRequests) are ignored.
+	 */
+	enforceSizeThreshold?: number;
+	/**
+	 * Options for modules not selected by any other cache group
+	 */
+	fallbackCacheGroup?: {
+		/**
+		 * Sets the name delimiter for created chunks
+		 */
+		automaticNameDelimiter?: string;
+		/**
+		 * Maximal size hint for the created chunks
+		 */
+		maxSize?: number;
+		/**
+		 * Minimal size for the created chunk
+		 */
+		minSize?: number;
+	};
+	/**
+	 * Sets the template for the filename for created chunks (Only works for initial chunks)
+	 */
+	filename?: string;
+	/**
+	 * Prevents exposing path info when creating names for parts splitted by maxSize
+	 */
+	hidePathInfo?: boolean;
+	/**
+	 * Maximum number of requests which are accepted for on-demand loading
+	 */
+	maxAsyncRequests?: number;
+	/**
+	 * Maximum number of initial chunks which are accepted for an entry point
+	 */
+	maxInitialRequests?: number;
+	/**
+	 * Maximal size hint for the created chunks
+	 */
+	maxSize?: number;
+	/**
+	 * Minimum number of times a module has to be duplicated until it's considered for splitting
+	 */
+	minChunks?: number;
+	/**
+	 * Minimal size for the created chunks
+	 */
+	minSize?: number;
+	/**
+	 * Give chunks created a name (chunks with equal name are merged)
+	 */
+	name?: boolean | Function | string;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "OutputOptions".
+ */
+export interface OutputOptions {
+	/**
+	 * Add a comment in the UMD wrapper.
+	 */
+	auxiliaryComment?:
+		| string
+		| {
+				/**
+				 * Set comment for `amd` section in UMD
+				 */
+				amd?: string;
+				/**
+				 * Set comment for `commonjs` (exports) section in UMD
+				 */
+				commonjs?: string;
+				/**
+				 * Set comment for `commonjs2` (module.exports) section in UMD
+				 */
+				commonjs2?: string;
+				/**
+				 * Set comment for `root` (global variable) section in UMD
+				 */
+				root?: string;
+		  };
+	/**
+	 * The callback function name used by webpack for loading of chunks in WebWorkers.
+	 */
+	chunkCallbackName?: string;
+	/**
+	 * The filename of non-entry chunks as relative path inside the `output.path` directory.
+	 */
+	chunkFilename?: string;
+	/**
+	 * Number of milliseconds before chunk request expires
+	 */
+	chunkLoadTimeout?: number;
+	/**
+	 * This option enables cross-origin loading of chunks.
+	 */
+	crossOriginLoading?: false | "anonymous" | "use-credentials";
+	/**
+	 * Similar to `output.devtoolModuleFilenameTemplate`, but used in the case of duplicate module identifiers.
+	 */
+	devtoolFallbackModuleFilenameTemplate?: string | Function;
+	/**
+	 * Enable line to line mapped mode for all/specified modules. Line to line mapped mode uses a simple SourceMap where each line of the generated source is mapped to the same line of the original source. It’s a performance optimization. Only use it if your performance need to be better and you are sure that input lines match which generated lines.
+	 */
+	devtoolLineToLine?:
+		| boolean
+		| {
+				[k: string]: any;
+		  };
+	/**
+	 * Filename template string of function for the sources array in a generated SourceMap.
+	 */
+	devtoolModuleFilenameTemplate?: string | Function;
+	/**
+	 * Module namespace to use when interpolating filename template string for the sources array in a generated SourceMap. Defaults to `output.library` if not set. It's useful for avoiding runtime collisions in sourcemaps from multiple webpack projects built as libraries.
+	 */
+	devtoolNamespace?: string;
+	/**
+	 * Specifies the name of each output file on disk. You must **not** specify an absolute path here! The `output.path` option determines the location on disk the files are written to, filename is used solely for naming the individual files.
+	 */
+	filename?: string | Function;
+	/**
+	 * Use the future version of asset emitting logic, which allows freeing memory of assets after emitting. It could break plugins which assume that assets are still readable after emitting. Will be the new default in the next major version.
+	 */
+	futureEmitAssets?: boolean;
+	/**
+	 * An expression which is used to address the global object/scope in runtime code
+	 */
+	globalObject?: string;
+	/**
+	 * Digest type used for the hash
+	 */
+	hashDigest?: string;
+	/**
+	 * Number of chars which are used for the hash
+	 */
+	hashDigestLength?: number;
+	/**
+	 * Algorithm used for generation the hash (see node.js crypto package)
+	 */
+	hashFunction?: string | import("../lib/util/createHash").HashConstructor;
+	/**
+	 * Any string which is added to the hash to salt it
+	 */
+	hashSalt?: string;
+	/**
+	 * The filename of the Hot Update Chunks. They are inside the output.path directory.
+	 */
+	hotUpdateChunkFilename?: string;
+	/**
+	 * The JSONP function used by webpack for async loading of hot update chunks.
+	 */
+	hotUpdateFunction?: string;
+	/**
+	 * The filename of the Hot Update Main File. It is inside the `output.path` directory.
+	 */
+	hotUpdateMainFilename?: string | Function;
+	/**
+	 * The JSONP function used by webpack for async loading of chunks.
+	 */
+	jsonpFunction?: string;
+	/**
+	 * This option enables loading async chunks via a custom script type, such as script type="module"
+	 */
+	jsonpScriptType?: false | "text/javascript" | "module";
+	/**
+	 * If set, export the bundle as library. `output.library` is the name.
+	 */
+	library?: string | string[] | LibraryCustomUmdObject;
+	/**
+	 * Specify which export should be exposed as library
+	 */
+	libraryExport?: string | ArrayOfStringValues;
+	/**
+	 * Type of library
+	 */
+	libraryTarget?:
+		| "var"
+		| "assign"
+		| "this"
+		| "window"
+		| "self"
+		| "global"
+		| "commonjs"
+		| "commonjs2"
+		| "commonjs-module"
+		| "amd"
+		| "amd-require"
+		| "umd"
+		| "umd2"
+		| "jsonp"
+		| "system";
+	/**
+	 * The output directory as **absolute path** (required).
+	 */
+	path?: string;
+	/**
+	 * Include comments with information about the modules.
+	 */
+	pathinfo?: boolean;
+	/**
+	 * The `publicPath` specifies the public URL address of the output files when referenced in a browser.
+	 */
+	publicPath?: string | Function;
+	/**
+	 * The filename of the SourceMaps for the JavaScript files. They are inside the `output.path` directory.
+	 */
+	sourceMapFilename?: string;
+	/**
+	 * Prefixes every line of the source in the bundle with this string.
+	 */
+	sourcePrefix?: string;
+	/**
+	 * Handles exceptions in module loading correctly at a performance cost.
+	 */
+	strictModuleExceptionHandling?: boolean;
+	/**
+	 * If `output.libraryTarget` is set to umd and `output.library` is set, setting this to true will name the AMD module.
+	 */
+	umdNamedDefine?: boolean;
+	/**
+	 * The filename of WebAssembly modules as relative path inside the `output.path` directory.
+	 */
+	webassemblyModuleFilename?: string;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "LibraryCustomUmdObject".
+ */
+export interface LibraryCustomUmdObject {
+	/**
+	 * Name of the exposed AMD library in the UMD
+	 */
+	amd?: string;
+	/**
+	 * Name of the exposed commonjs export in the UMD
+	 */
+	commonjs?: string;
+	/**
+	 * Name of the property exposed globally by a UMD library
+	 */
+	root?: string | ArrayOfStringValues;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "PerformanceOptions".
+ */
+export interface PerformanceOptions {
+	/**
+	 * Filter function to select assets that are checked
+	 */
+	assetFilter?: Function;
+	/**
+	 * Sets the format of the hints: warnings, errors or nothing at all
+	 */
+	hints?: false | "warning" | "error";
+	/**
+	 * Filesize limit (in bytes) when exceeded, that webpack will provide performance hints
+	 */
+	maxAssetSize?: number;
+	/**
+	 * Total size of an entry point (in bytes)
+	 */
+	maxEntrypointSize?: number;
+}
+/**
+ * This interface was referenced by `WebpackOptions`'s JSON-Schema
+ * via the `definition` "StatsOptions".
+ */
+export interface StatsOptions {
+	/**
+	 * fallback value for stats options when an option is not defined (has precedence over local webpack defaults)
+	 */
+	all?: boolean;
+	/**
+	 * add assets information
+	 */
+	assets?: boolean;
+	/**
+	 * sort the assets by that field
+	 */
+	assetsSort?: string;
+	/**
+	 * add built at time information
+	 */
+	builtAt?: boolean;
+	/**
+	 * add also information about cached (not built) modules
+	 */
+	cached?: boolean;
+	/**
+	 * Show cached assets (setting this to `false` only shows emitted files)
+	 */
+	cachedAssets?: boolean;
+	/**
+	 * add children information
+	 */
+	children?: boolean;
+	/**
+	 * Display all chunk groups with the corresponding bundles
+	 */
+	chunkGroups?: boolean;
+	/**
+	 * add built modules information to chunk information
+	 */
+	chunkModules?: boolean;
+	/**
+	 * add the origins of chunks and chunk merging info
+	 */
+	chunkOrigins?: boolean;
+	/**
+	 * add chunk information
+	 */
+	chunks?: boolean;
+	/**
+	 * sort the chunks by that field
+	 */
+	chunksSort?: string;
+	/**
+	 * Enables/Disables colorful output
+	 */
+	colors?:
+		| boolean
+		| {
+				/**
+				 * Custom color for bold text
+				 */
+				bold?: string;
+				/**
+				 * Custom color for cyan text
+				 */
+				cyan?: string;
+				/**
+				 * Custom color for green text
+				 */
+				green?: string;
+				/**
+				 * Custom color for magenta text
+				 */
+				magenta?: string;
+				/**
+				 * Custom color for red text
+				 */
+				red?: string;
+				/**
+				 * Custom color for yellow text
+				 */
+				yellow?: string;
+		  };
+	/**
+	 * context directory for request shortening
+	 */
+	context?: string;
+	/**
+	 * add module depth in module graph
+	 */
+	depth?: boolean;
+	/**
+	 * Display the entry points with the corresponding bundles
+	 */
+	entrypoints?: boolean;
+	/**
+	 * add --env information
+	 */
+	env?: boolean;
+	/**
+	 * add details to errors (like resolving log)
+	 */
+	errorDetails?: boolean;
+	/**
+	 * add errors
+	 */
+	errors?: boolean;
+	/**
+	 * Please use excludeModules instead.
+	 */
+	exclude?: FilterTypes | boolean;
+	/**
+	 * Suppress assets that match the specified filters. Filters can be Strings, RegExps or Functions
+	 */
+	excludeAssets?: FilterTypes;
+	/**
+	 * Suppress modules that match the specified filters. Filters can be Strings, RegExps, Booleans or Functions
+	 */
+	excludeModules?: FilterTypes | boolean;
+	/**
+	 * add the hash of the compilation
+	 */
+	hash?: boolean;
+	/**
+	 * add logging output
+	 */
+	logging?: boolean | ("none" | "error" | "warn" | "info" | "log" | "verbose");
+	/**
+	 * Include debug logging of specified loggers (i. e. for plugins or loaders). Filters can be Strings, RegExps or Functions
+	 */
+	loggingDebug?: FilterTypes | boolean;
+	/**
+	 * add stack traces to logging output
+	 */
+	loggingTrace?: boolean;
+	/**
+	 * Set the maximum number of modules to be shown
+	 */
+	maxModules?: number;
+	/**
+	 * add information about assets inside modules
+	 */
+	moduleAssets?: boolean;
+	/**
+	 * add dependencies and origin of warnings/errors
+	 */
+	moduleTrace?: boolean;
+	/**
+	 * add built modules information
+	 */
+	modules?: boolean;
+	/**
+	 * sort the modules by that field
+	 */
+	modulesSort?: string;
+	/**
+	 * add information about modules nested in other modules (like with module concatenation)
+	 */
+	nestedModules?: boolean;
+	/**
+	 * show reasons why optimization bailed out for modules
+	 */
+	optimizationBailout?: boolean;
+	/**
+	 * Add output path information
+	 */
+	outputPath?: boolean;
+	/**
+	 * add performance hint flags
+	 */
+	performance?: boolean;
+	/**
+	 * show exports provided by modules
+	 */
+	providedExports?: boolean;
+	/**
+	 * Add public path information
+	 */
+	publicPath?: boolean;
+	/**
+	 * add information about the reasons why modules are included
+	 */
+	reasons?: boolean;
+	/**
+	 * add the source code of modules
+	 */
+	source?: boolean;
+	/**
+	 * add timing information
+	 */
+	timings?: boolean;
+	/**
+	 * show exports used by modules
+	 */
+	usedExports?: boolean;
+	/**
+	 * add webpack version information
+	 */
+	version?: boolean;
+	/**
+	 * add warnings
+	 */
+	warnings?: boolean;
+	/**
+	 * Suppress warnings that match the specified filters. Filters can be Strings, RegExps or Functions
+	 */
+	warningsFilter?: FilterTypes;
+}
diff --git a/node_modules/webpack/declarations/plugins/BannerPlugin.d.ts b/node_modules/webpack/declarations/plugins/BannerPlugin.d.ts
new file mode 100644
index 00000000..f2e5d96a
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/BannerPlugin.d.ts
@@ -0,0 +1,49 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export type BannerPluginArgument =
+	| BannerPluginOptions
+	| BannerFunction
+	| string;
+/**
+ * The banner as function, it will be wrapped in a comment
+ */
+export type BannerFunction = (data: {
+	hash: string;
+	chunk: import("../../lib/Chunk");
+	filename: string;
+	basename: string;
+	query: string;
+}) => string;
+export type Rules = Rule[] | Rule;
+export type Rule = RegExp | string;
+
+export interface BannerPluginOptions {
+	/**
+	 * Specifies the banner
+	 */
+	banner: BannerFunction | string;
+	/**
+	 * If true, the banner will only be added to the entry chunks
+	 */
+	entryOnly?: boolean;
+	/**
+	 * Exclude all modules matching any of these conditions
+	 */
+	exclude?: Rules;
+	/**
+	 * Include all modules matching any of these conditions
+	 */
+	include?: Rules;
+	/**
+	 * If true, banner will not be wrapped in a comment
+	 */
+	raw?: boolean;
+	/**
+	 * Include all modules that pass test assertion
+	 */
+	test?: Rules;
+}
diff --git a/node_modules/webpack/declarations/plugins/DllPlugin.d.ts b/node_modules/webpack/declarations/plugins/DllPlugin.d.ts
new file mode 100644
index 00000000..addbce54
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/DllPlugin.d.ts
@@ -0,0 +1,32 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface DllPluginOptions {
+	/**
+	 * Context of requests in the manifest file (defaults to the webpack context)
+	 */
+	context?: string;
+	/**
+	 * If true, only entry points will be exposed
+	 */
+	entryOnly?: boolean;
+	/**
+	 * If true, manifest json file (output) will be formatted
+	 */
+	format?: boolean;
+	/**
+	 * Name of the exposed dll function (external name, use value of 'output.library')
+	 */
+	name?: string;
+	/**
+	 * Absolute path to the manifest json file (output)
+	 */
+	path: string;
+	/**
+	 * Type of the dll bundle (external type, use value of 'output.libraryTarget')
+	 */
+	type?: string;
+}
diff --git a/node_modules/webpack/declarations/plugins/DllReferencePlugin.d.ts b/node_modules/webpack/declarations/plugins/DllReferencePlugin.d.ts
new file mode 100644
index 00000000..73dfa522
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/DllReferencePlugin.d.ts
@@ -0,0 +1,126 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export type DllReferencePluginOptions =
+	| {
+			/**
+			 * (absolute path) context of requests in the manifest (or content property)
+			 */
+			context?: string;
+			/**
+			 * Extensions used to resolve modules in the dll bundle (only used when using 'scope')
+			 */
+			extensions?: string[];
+			/**
+			 * An object containing content and name or a string to the absolute path of the JSON manifest to be loaded upon compilation
+			 */
+			manifest: DllReferencePluginOptionsManifest | string;
+			/**
+			 * The name where the dll is exposed (external name, defaults to manifest.name)
+			 */
+			name?: string;
+			/**
+			 * Prefix which is used for accessing the content of the dll
+			 */
+			scope?: string;
+			/**
+			 * How the dll is exposed (libraryTarget, defaults to manifest.type)
+			 */
+			sourceType?: DllReferencePluginOptionsSourceType;
+			/**
+			 * The way how the export of the dll bundle is used
+			 */
+			type?: "require" | "object";
+	  }
+	| {
+			/**
+			 * The mappings from request to module info
+			 */
+			content: DllReferencePluginOptionsContent;
+			/**
+			 * (absolute path) context of requests in the manifest (or content property)
+			 */
+			context?: string;
+			/**
+			 * Extensions used to resolve modules in the dll bundle (only used when using 'scope')
+			 */
+			extensions?: string[];
+			/**
+			 * The name where the dll is exposed (external name)
+			 */
+			name: string;
+			/**
+			 * Prefix which is used for accessing the content of the dll
+			 */
+			scope?: string;
+			/**
+			 * How the dll is exposed (libraryTarget)
+			 */
+			sourceType?: DllReferencePluginOptionsSourceType;
+			/**
+			 * The way how the export of the dll bundle is used
+			 */
+			type?: "require" | "object";
+	  };
+/**
+ * The type how the dll is exposed (external type)
+ */
+export type DllReferencePluginOptionsSourceType =
+	| "var"
+	| "assign"
+	| "this"
+	| "window"
+	| "global"
+	| "commonjs"
+	| "commonjs2"
+	| "commonjs-module"
+	| "amd"
+	| "amd-require"
+	| "umd"
+	| "umd2"
+	| "jsonp";
+
+/**
+ * An object containing content, name and type
+ */
+export interface DllReferencePluginOptionsManifest {
+	/**
+	 * The mappings from request to module info
+	 */
+	content: DllReferencePluginOptionsContent;
+	/**
+	 * The name where the dll is exposed (external name)
+	 */
+	name?: string;
+	/**
+	 * The type how the dll is exposed (external type)
+	 */
+	type?: DllReferencePluginOptionsSourceType;
+}
+/**
+ * The mappings from request to module info
+ */
+export interface DllReferencePluginOptionsContent {
+	/**
+	 * Module info
+	 */
+	[k: string]: {
+		/**
+		 * Meta information about the module
+		 */
+		buildMeta?: {
+			[k: string]: any;
+		};
+		/**
+		 * Information about the provided exports of the module
+		 */
+		exports?: true | string[];
+		/**
+		 * Module ID
+		 */
+		id: number | string;
+	};
+}
diff --git a/node_modules/webpack/declarations/plugins/HashedModuleIdsPlugin.d.ts b/node_modules/webpack/declarations/plugins/HashedModuleIdsPlugin.d.ts
new file mode 100644
index 00000000..571ab60a
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/HashedModuleIdsPlugin.d.ts
@@ -0,0 +1,24 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface HashedModuleIdsPluginOptions {
+	/**
+	 * The context directory for creating names.
+	 */
+	context?: string;
+	/**
+	 * The encoding to use when generating the hash, defaults to 'base64'. All encodings from Node.JS' hash.digest are supported.
+	 */
+	hashDigest?: "hex" | "latin1" | "base64";
+	/**
+	 * The prefix length of the hash digest to use, defaults to 4.
+	 */
+	hashDigestLength?: number;
+	/**
+	 * The hashing algorithm to use, defaults to 'md5'. All functions from Node.JS' crypto.createHash are supported.
+	 */
+	hashFunction?: string;
+}
diff --git a/node_modules/webpack/declarations/plugins/IgnorePlugin.d.ts b/node_modules/webpack/declarations/plugins/IgnorePlugin.d.ts
new file mode 100644
index 00000000..323535d7
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/IgnorePlugin.d.ts
@@ -0,0 +1,27 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export type IgnorePluginOptions =
+	| {
+			/**
+			 * A RegExp to test the context (directory) against
+			 */
+			contextRegExp?: RegExp;
+			/**
+			 * A RegExp to test the request against
+			 */
+			resourceRegExp?: RegExp;
+	  }
+	| {
+			/**
+			 * A filter function for context
+			 */
+			checkContext?: (context: string) => boolean;
+			/**
+			 * A filter function for resource and context
+			 */
+			checkResource?: (resource: string, context: string) => boolean;
+	  };
diff --git a/node_modules/webpack/declarations/plugins/LoaderOptionsPlugin.d.ts b/node_modules/webpack/declarations/plugins/LoaderOptionsPlugin.d.ts
new file mode 100644
index 00000000..cb48ecc2
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/LoaderOptionsPlugin.d.ts
@@ -0,0 +1,27 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface LoaderOptionsPluginOptions {
+	/**
+	 * Whether loaders should be in debug mode or not. debug will be removed as of webpack 3
+	 */
+	debug?: boolean;
+	/**
+	 * Where loaders can be switched to minimize mode
+	 */
+	minimize?: boolean;
+	/**
+	 * A configuration object that can be used to configure older loaders
+	 */
+	options?: {
+		/**
+		 * The context that can be used to configure older loaders
+		 */
+		context?: string;
+		[k: string]: any;
+	};
+	[k: string]: any;
+}
diff --git a/node_modules/webpack/declarations/plugins/ProgressPlugin.d.ts b/node_modules/webpack/declarations/plugins/ProgressPlugin.d.ts
new file mode 100644
index 00000000..d0fa1b45
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/ProgressPlugin.d.ts
@@ -0,0 +1,42 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export type ProgressPluginArgument = ProgressPluginOptions | HandlerFunction;
+/**
+ * Function that executes for every progress step
+ */
+export type HandlerFunction = (
+	percentage: number,
+	msg: string,
+	...args: string[]
+) => void;
+
+export interface ProgressPluginOptions {
+	/**
+	 * Show active modules count and one active module in progress message
+	 */
+	activeModules?: boolean;
+	/**
+	 * Show entries count in progress message
+	 */
+	entries?: boolean;
+	/**
+	 * Function that executes for every progress step
+	 */
+	handler?: HandlerFunction;
+	/**
+	 * Show modules count in progress message
+	 */
+	modules?: boolean;
+	/**
+	 * Minimum modules count to start with. Only for mode=modules. Default: 500
+	 */
+	modulesCount?: number;
+	/**
+	 * Collect profile data for progress steps. Default: false
+	 */
+	profile?: true | false | null;
+}
diff --git a/node_modules/webpack/declarations/plugins/SourceMapDevToolPlugin.d.ts b/node_modules/webpack/declarations/plugins/SourceMapDevToolPlugin.d.ts
new file mode 100644
index 00000000..76421b50
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/SourceMapDevToolPlugin.d.ts
@@ -0,0 +1,94 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+/**
+ * This interface was referenced by `SourceMapDevToolPluginOptions`'s JSON-Schema
+ * via the `definition` "rules".
+ */
+export type Rules = Rule[] | Rule;
+/**
+ * This interface was referenced by `SourceMapDevToolPluginOptions`'s JSON-Schema
+ * via the `definition` "rule".
+ */
+export type Rule = RegExp | string;
+
+export interface SourceMapDevToolPluginOptions {
+	/**
+	 * Appends the given value to the original asset. Usually the #sourceMappingURL comment. [url] is replaced with a URL to the source map file. false disables the appending
+	 */
+	append?: (false | null) | string;
+	/**
+	 * Indicates whether column mappings should be used (defaults to true)
+	 */
+	columns?: boolean;
+	/**
+	 * Exclude modules that match the given value from source map generation
+	 */
+	exclude?: Rules;
+	/**
+	 * Generator string or function to create identifiers of modules for the 'sources' array in the SourceMap used only if 'moduleFilenameTemplate' would result in a conflict
+	 */
+	fallbackModuleFilenameTemplate?: Function | string;
+	/**
+	 * Path prefix to which the [file] placeholder is relative to
+	 */
+	fileContext?: string;
+	/**
+	 * Defines the output filename of the SourceMap (will be inlined if no value is provided)
+	 */
+	filename?: (false | null) | string;
+	/**
+	 * Include source maps for module paths that match the given value
+	 */
+	include?: Rules;
+	/**
+	 * (deprecated) try to map original files line to line to generated files
+	 */
+	lineToLine?:
+		| boolean
+		| {
+				/**
+				 * Exclude modules that match the given value from source map generation
+				 */
+				exclude?: Rules;
+				/**
+				 * Include source maps for module paths that match the given value
+				 */
+				include?: Rules;
+				/**
+				 * Include source maps for modules based on their extension (defaults to .js and .css)
+				 */
+				test?: Rules;
+		  };
+	/**
+	 * Indicates whether SourceMaps from loaders should be used (defaults to true)
+	 */
+	module?: boolean;
+	/**
+	 * Generator string or function to create identifiers of modules for the 'sources' array in the SourceMap
+	 */
+	moduleFilenameTemplate?: Function | string;
+	/**
+	 * Namespace prefix to allow multiple webpack roots in the devtools
+	 */
+	namespace?: string;
+	/**
+	 * Omit the 'sourceContents' array from the SourceMap
+	 */
+	noSources?: boolean;
+	/**
+	 * Provide a custom public path for the SourceMapping comment
+	 */
+	publicPath?: string;
+	/**
+	 * Provide a custom value for the 'sourceRoot' property in the SourceMap
+	 */
+	sourceRoot?: string;
+	/**
+	 * Include source maps for modules based on their extension (defaults to .js and .css)
+	 */
+	test?: Rules;
+}
diff --git a/node_modules/webpack/declarations/plugins/WatchIgnorePlugin.d.ts b/node_modules/webpack/declarations/plugins/WatchIgnorePlugin.d.ts
new file mode 100644
index 00000000..05c85750
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/WatchIgnorePlugin.d.ts
@@ -0,0 +1,10 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+/**
+ * A list of RegExps or absolute paths to directories or files that should be ignored
+ */
+export type WatchIgnorePluginOptions = (string | RegExp)[];
diff --git a/node_modules/webpack/declarations/plugins/debug/ProfilingPlugin.d.ts b/node_modules/webpack/declarations/plugins/debug/ProfilingPlugin.d.ts
new file mode 100644
index 00000000..d3cd664a
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/debug/ProfilingPlugin.d.ts
@@ -0,0 +1,12 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface ProfilingPluginOptions {
+	/**
+	 * Path to the output file e.g. `profiling/events.json`. Defaults to `events.json`.
+	 */
+	outputPath?: string;
+}
diff --git a/node_modules/webpack/declarations/plugins/optimize/AggressiveSplittingPlugin.d.ts b/node_modules/webpack/declarations/plugins/optimize/AggressiveSplittingPlugin.d.ts
new file mode 100644
index 00000000..9f5360c4
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/optimize/AggressiveSplittingPlugin.d.ts
@@ -0,0 +1,24 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface AggressiveSplittingPluginOptions {
+	/**
+	 * Default: 0
+	 */
+	chunkOverhead?: number;
+	/**
+	 * Default: 1
+	 */
+	entryChunkMultiplicator?: number;
+	/**
+	 * Byte, maxsize of per file. Default: 51200
+	 */
+	maxSize?: number;
+	/**
+	 * Byte, split point. Default: 30720
+	 */
+	minSize?: number;
+}
diff --git a/node_modules/webpack/declarations/plugins/optimize/LimitChunkCountPlugin.d.ts b/node_modules/webpack/declarations/plugins/optimize/LimitChunkCountPlugin.d.ts
new file mode 100644
index 00000000..8cd59ed6
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/optimize/LimitChunkCountPlugin.d.ts
@@ -0,0 +1,16 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface LimitChunkCountPluginOptions {
+	/**
+	 * Limit the maximum number of chunks using a value greater greater than or equal to 1
+	 */
+	maxChunks?: number;
+	/**
+	 * Set a minimum chunk size
+	 */
+	minChunkSize?: number;
+}
diff --git a/node_modules/webpack/declarations/plugins/optimize/MinChunkSizePlugin.d.ts b/node_modules/webpack/declarations/plugins/optimize/MinChunkSizePlugin.d.ts
new file mode 100644
index 00000000..61d20fd9
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/optimize/MinChunkSizePlugin.d.ts
@@ -0,0 +1,12 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface MinChunkSizePluginOptions {
+	/**
+	 * Minimum number of characters
+	 */
+	minChunkSize: number;
+}
diff --git a/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderChunkIdsPlugin.d.ts b/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderChunkIdsPlugin.d.ts
new file mode 100644
index 00000000..0396f554
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderChunkIdsPlugin.d.ts
@@ -0,0 +1,12 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface OccurrenceOrderChunkIdsPluginOptions {
+	/**
+	 * Prioritise initial size over total size
+	 */
+	prioritiseInitial?: boolean;
+}
diff --git a/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderModuleIdsPlugin.d.ts b/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderModuleIdsPlugin.d.ts
new file mode 100644
index 00000000..c29e0e95
--- /dev/null
+++ b/node_modules/webpack/declarations/plugins/optimize/OccurrenceOrderModuleIdsPlugin.d.ts
@@ -0,0 +1,12 @@
+/**
+ * This file was automatically generated.
+ * DO NOT MODIFY BY HAND.
+ * Run `yarn special-lint-fix` to update
+ */
+
+export interface OccurrenceOrderModuleIdsPluginOptions {
+	/**
+	 * Prioritise initial size over total size
+	 */
+	prioritiseInitial?: boolean;
+}
diff --git a/node_modules/webpack/hot/dev-server.js b/node_modules/webpack/hot/dev-server.js
new file mode 100644
index 00000000..f396a34a
--- /dev/null
+++ b/node_modules/webpack/hot/dev-server.js
@@ -0,0 +1,61 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/*globals window __webpack_hash__ */
+if (module.hot) {
+	var lastHash;
+	var upToDate = function upToDate() {
+		return lastHash.indexOf(__webpack_hash__) >= 0;
+	};
+	var log = require("./log");
+	var check = function check() {
+		module.hot
+			.check(true)
+			.then(function(updatedModules) {
+				if (!updatedModules) {
+					log("warning", "[HMR] Cannot find update. Need to do a full reload!");
+					log(
+						"warning",
+						"[HMR] (Probably because of restarting the webpack-dev-server)"
+					);
+					window.location.reload();
+					return;
+				}
+
+				if (!upToDate()) {
+					check();
+				}
+
+				require("./log-apply-result")(updatedModules, updatedModules);
+
+				if (upToDate()) {
+					log("info", "[HMR] App is up to date.");
+				}
+			})
+			.catch(function(err) {
+				var status = module.hot.status();
+				if (["abort", "fail"].indexOf(status) >= 0) {
+					log(
+						"warning",
+						"[HMR] Cannot apply update. Need to do a full reload!"
+					);
+					log("warning", "[HMR] " + log.formatError(err));
+					window.location.reload();
+				} else {
+					log("warning", "[HMR] Update failed: " + log.formatError(err));
+				}
+			});
+	};
+	var hotEmitter = require("./emitter");
+	hotEmitter.on("webpackHotUpdate", function(currentHash) {
+		lastHash = currentHash;
+		if (!upToDate() && module.hot.status() === "idle") {
+			log("info", "[HMR] Checking for updates on the server...");
+			check();
+		}
+	});
+	log("info", "[HMR] Waiting for update signal from WDS...");
+} else {
+	throw new Error("[HMR] Hot Module Replacement is disabled.");
+}
diff --git a/node_modules/webpack/hot/emitter.js b/node_modules/webpack/hot/emitter.js
new file mode 100644
index 00000000..05e0fbe0
--- /dev/null
+++ b/node_modules/webpack/hot/emitter.js
@@ -0,0 +1,2 @@
+var EventEmitter = require("events");
+module.exports = new EventEmitter();
diff --git a/node_modules/webpack/hot/log-apply-result.js b/node_modules/webpack/hot/log-apply-result.js
new file mode 100644
index 00000000..b63e7574
--- /dev/null
+++ b/node_modules/webpack/hot/log-apply-result.js
@@ -0,0 +1,44 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+module.exports = function(updatedModules, renewedModules) {
+	var unacceptedModules = updatedModules.filter(function(moduleId) {
+		return renewedModules && renewedModules.indexOf(moduleId) < 0;
+	});
+	var log = require("./log");
+
+	if (unacceptedModules.length > 0) {
+		log(
+			"warning",
+			"[HMR] The following modules couldn't be hot updated: (They would need a full reload!)"
+		);
+		unacceptedModules.forEach(function(moduleId) {
+			log("warning", "[HMR]  - " + moduleId);
+		});
+	}
+
+	if (!renewedModules || renewedModules.length === 0) {
+		log("info", "[HMR] Nothing hot updated.");
+	} else {
+		log("info", "[HMR] Updated modules:");
+		renewedModules.forEach(function(moduleId) {
+			if (typeof moduleId === "string" && moduleId.indexOf("!") !== -1) {
+				var parts = moduleId.split("!");
+				log.groupCollapsed("info", "[HMR]  - " + parts.pop());
+				log("info", "[HMR]  - " + moduleId);
+				log.groupEnd("info");
+			} else {
+				log("info", "[HMR]  - " + moduleId);
+			}
+		});
+		var numberIds = renewedModules.every(function(moduleId) {
+			return typeof moduleId === "number";
+		});
+		if (numberIds)
+			log(
+				"info",
+				"[HMR] Consider using the NamedModulesPlugin for module names."
+			);
+	}
+};
diff --git a/node_modules/webpack/hot/log.js b/node_modules/webpack/hot/log.js
new file mode 100644
index 00000000..32a1c69b
--- /dev/null
+++ b/node_modules/webpack/hot/log.js
@@ -0,0 +1,59 @@
+var logLevel = "info";
+
+function dummy() {}
+
+function shouldLog(level) {
+	var shouldLog =
+		(logLevel === "info" && level === "info") ||
+		(["info", "warning"].indexOf(logLevel) >= 0 && level === "warning") ||
+		(["info", "warning", "error"].indexOf(logLevel) >= 0 && level === "error");
+	return shouldLog;
+}
+
+function logGroup(logFn) {
+	return function(level, msg) {
+		if (shouldLog(level)) {
+			logFn(msg);
+		}
+	};
+}
+
+module.exports = function(level, msg) {
+	if (shouldLog(level)) {
+		if (level === "info") {
+			console.log(msg);
+		} else if (level === "warning") {
+			console.warn(msg);
+		} else if (level === "error") {
+			console.error(msg);
+		}
+	}
+};
+
+/* eslint-disable node/no-unsupported-features/node-builtins */
+var group = console.group || dummy;
+var groupCollapsed = console.groupCollapsed || dummy;
+var groupEnd = console.groupEnd || dummy;
+/* eslint-enable node/no-unsupported-features/node-builtins */
+
+module.exports.group = logGroup(group);
+
+module.exports.groupCollapsed = logGroup(groupCollapsed);
+
+module.exports.groupEnd = logGroup(groupEnd);
+
+module.exports.setLogLevel = function(level) {
+	logLevel = level;
+};
+
+module.exports.formatError = function(err) {
+	var message = err.message;
+	var stack = err.stack;
+	if (!stack) {
+		return message;
+	} else if (stack.indexOf(message) < 0) {
+		return message + "\n" + stack;
+	} else {
+		return stack;
+	}
+};
diff --git a/node_modules/webpack/hot/only-dev-server.js b/node_modules/webpack/hot/only-dev-server.js
new file mode 100644
index 00000000..12df4687
--- /dev/null
+++ b/node_modules/webpack/hot/only-dev-server.js
@@ -0,0 +1,102 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/*globals __webpack_hash__ */
+if (module.hot) {
+	var lastHash;
+	var upToDate = function upToDate() {
+		return lastHash.indexOf(__webpack_hash__) >= 0;
+	};
+	var log = require("./log");
+	var check = function check() {
+		module.hot
+			.check()
+			.then(function(updatedModules) {
+				if (!updatedModules) {
+					log("warning", "[HMR] Cannot find update. Need to do a full reload!");
+					log(
+						"warning",
+						"[HMR] (Probably because of restarting the webpack-dev-server)"
+					);
+					return;
+				}
+
+				return module.hot
+					.apply({
+						ignoreUnaccepted: true,
+						ignoreDeclined: true,
+						ignoreErrored: true,
+						onUnaccepted: function(data) {
+							log(
+								"warning",
+								"Ignored an update to unaccepted module " +
+									data.chain.join(" -> ")
+							);
+						},
+						onDeclined: function(data) {
+							log(
+								"warning",
+								"Ignored an update to declined module " +
+									data.chain.join(" -> ")
+							);
+						},
+						onErrored: function(data) {
+							log("error", data.error);
+							log(
+								"warning",
+								"Ignored an error while updating module " +
+									data.moduleId +
+									" (" +
+									data.type +
+									")"
+							);
+						}
+					})
+					.then(function(renewedModules) {
+						if (!upToDate()) {
+							check();
+						}
+
+						require("./log-apply-result")(updatedModules, renewedModules);
+
+						if (upToDate()) {
+							log("info", "[HMR] App is up to date.");
+						}
+					});
+			})
+			.catch(function(err) {
+				var status = module.hot.status();
+				if (["abort", "fail"].indexOf(status) >= 0) {
+					log(
+						"warning",
+						"[HMR] Cannot check for update. Need to do a full reload!"
+					);
+					log("warning", "[HMR] " + log.formatError(err));
+				} else {
+					log("warning", "[HMR] Update check failed: " + log.formatError(err));
+				}
+			});
+	};
+	var hotEmitter = require("./emitter");
+	hotEmitter.on("webpackHotUpdate", function(currentHash) {
+		lastHash = currentHash;
+		if (!upToDate()) {
+			var status = module.hot.status();
+			if (status === "idle") {
+				log("info", "[HMR] Checking for updates on the server...");
+				check();
+			} else if (["abort", "fail"].indexOf(status) >= 0) {
+				log(
+					"warning",
+					"[HMR] Cannot apply update as a previous update " +
+						status +
+						"ed. Need to do a full reload!"
+				);
+			}
+		}
+	});
+	log("info", "[HMR] Waiting for update signal from WDS...");
+} else {
+	throw new Error("[HMR] Hot Module Replacement is disabled.");
+}
diff --git a/node_modules/webpack/hot/poll.js b/node_modules/webpack/hot/poll.js
new file mode 100644
index 00000000..81d33e7c
--- /dev/null
+++ b/node_modules/webpack/hot/poll.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/*globals __resourceQuery */
+if (module.hot) {
+	var hotPollInterval = +__resourceQuery.substr(1) || 10 * 60 * 1000;
+	var log = require("./log");
+
+	var checkForUpdate = function checkForUpdate(fromUpdate) {
+		if (module.hot.status() === "idle") {
+			module.hot
+				.check(true)
+				.then(function(updatedModules) {
+					if (!updatedModules) {
+						if (fromUpdate) log("info", "[HMR] Update applied.");
+						return;
+					}
+					require("./log-apply-result")(updatedModules, updatedModules);
+					checkForUpdate(true);
+				})
+				.catch(function(err) {
+					var status = module.hot.status();
+					if (["abort", "fail"].indexOf(status) >= 0) {
+						log("warning", "[HMR] Cannot apply update.");
+						log("warning", "[HMR] " + log.formatError(err));
+						log("warning", "[HMR] You need to restart the application!");
+					} else {
+						log("warning", "[HMR] Update failed: " + log.formatError(err));
+					}
+				});
+		}
+	};
+	setInterval(checkForUpdate, hotPollInterval);
+} else {
+	throw new Error("[HMR] Hot Module Replacement is disabled.");
+}
diff --git a/node_modules/webpack/hot/signal.js b/node_modules/webpack/hot/signal.js
new file mode 100644
index 00000000..63bfdd65
--- /dev/null
+++ b/node_modules/webpack/hot/signal.js
@@ -0,0 +1,62 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/*globals __resourceQuery */
+if (module.hot) {
+	var log = require("./log");
+	var checkForUpdate = function checkForUpdate(fromUpdate) {
+		module.hot
+			.check()
+			.then(function(updatedModules) {
+				if (!updatedModules) {
+					if (fromUpdate) log("info", "[HMR] Update applied.");
+					else log("warning", "[HMR] Cannot find update.");
+					return;
+				}
+
+				return module.hot
+					.apply({
+						ignoreUnaccepted: true,
+						onUnaccepted: function(data) {
+							log(
+								"warning",
+								"Ignored an update to unaccepted module " +
+									data.chain.join(" -> ")
+							);
+						}
+					})
+					.then(function(renewedModules) {
+						require("./log-apply-result")(updatedModules, renewedModules);
+
+						checkForUpdate(true);
+						return null;
+					});
+			})
+			.catch(function(err) {
+				var status = module.hot.status();
+				if (["abort", "fail"].indexOf(status) >= 0) {
+					log("warning", "[HMR] Cannot apply update.");
+					log("warning", "[HMR] " + log.formatError(err));
+					log("warning", "[HMR] You need to restart the application!");
+				} else {
+					log("warning", "[HMR] Update failed: " + (err.stack || err.message));
+				}
+			});
+	};
+
+	process.on(__resourceQuery.substr(1) || "SIGUSR2", function() {
+		if (module.hot.status() !== "idle") {
+			log(
+				"warning",
+				"[HMR] Got signal but currently in " + module.hot.status() + " state."
+			);
+			log("warning", "[HMR] Need to be in idle state to start hot update.");
+			return;
+		}
+
+		checkForUpdate();
+	});
+} else {
+	throw new Error("[HMR] Hot Module Replacement is disabled.");
+}
diff --git a/node_modules/webpack/lib/APIPlugin.js b/node_modules/webpack/lib/APIPlugin.js
new file mode 100644
index 00000000..bc084f01
--- /dev/null
+++ b/node_modules/webpack/lib/APIPlugin.js
@@ -0,0 +1,84 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConstDependency = require("./dependencies/ConstDependency");
+const ParserHelpers = require("./ParserHelpers");
+
+const NullFactory = require("./NullFactory");
+
+/* eslint-disable camelcase */
+const REPLACEMENTS = {
+	__webpack_require__: "__webpack_require__",
+	__webpack_public_path__: "__webpack_require__.p",
+	__webpack_modules__: "__webpack_require__.m",
+	__webpack_chunk_load__: "__webpack_require__.e",
+	__non_webpack_require__: "require",
+	__webpack_nonce__: "__webpack_require__.nc",
+	"require.onError": "__webpack_require__.oe"
+};
+const NO_WEBPACK_REQUIRE = {
+	__non_webpack_require__: true
+};
+const REPLACEMENT_TYPES = {
+	__webpack_public_path__: "string",
+	__webpack_require__: "function",
+	__webpack_modules__: "object",
+	__webpack_chunk_load__: "function",
+	__webpack_nonce__: "string"
+};
+/* eslint-enable camelcase */
+
+class APIPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"APIPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				const handler = parser => {
+					Object.keys(REPLACEMENTS).forEach(key => {
+						parser.hooks.expression
+							.for(key)
+							.tap(
+								"APIPlugin",
+								NO_WEBPACK_REQUIRE[key]
+									? ParserHelpers.toConstantDependency(
+											parser,
+											REPLACEMENTS[key]
+									  )
+									: ParserHelpers.toConstantDependencyWithWebpackRequire(
+											parser,
+											REPLACEMENTS[key]
+									  )
+							);
+						const type = REPLACEMENT_TYPES[key];
+						if (type) {
+							parser.hooks.evaluateTypeof
+								.for(key)
+								.tap("APIPlugin", ParserHelpers.evaluateToString(type));
+						}
+					});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("APIPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("APIPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("APIPlugin", handler);
+			}
+		);
+	}
+}
+
+module.exports = APIPlugin;
diff --git a/node_modules/webpack/lib/AbstractMethodError.js b/node_modules/webpack/lib/AbstractMethodError.js
new file mode 100644
index 00000000..c9eb9cff
--- /dev/null
+++ b/node_modules/webpack/lib/AbstractMethodError.js
@@ -0,0 +1,43 @@
+"use strict";
+
+const WebpackError = require("./WebpackError");
+const CURRENT_METHOD_REGEXP = /at ([a-zA-Z0-9_.]*)/;
+
+/**
+ * @param {string=} method method name
+ * @returns {string} message
+ */
+function createMessage(method) {
+	return `Abstract method${method ? " " + method : ""}. Must be overridden.`;
+}
+
+/**
+ * @constructor
+ */
+function Message() {
+	this.stack = undefined;
+	Error.captureStackTrace(this);
+	/** @type {RegExpMatchArray} */
+	const match = this.stack.split("\n")[3].match(CURRENT_METHOD_REGEXP);
+
+	this.message = match && match[1] ? createMessage(match[1]) : createMessage();
+}
+
+/**
+ * Error for abstract method
+ * @example
+ * class FooClass {
+ *     abstractMethod() {
+ *         throw new AbstractMethodError(); // error message: Abstract method FooClass.abstractMethod. Must be overriden.
+ *     }
+ * }
+ *
+ */
+class AbstractMethodError extends WebpackError {
+	constructor() {
+		super(new Message().message);
+		this.name = "AbstractMethodError";
+	}
+}
+
+module.exports = AbstractMethodError;
diff --git a/node_modules/webpack/lib/AmdMainTemplatePlugin.js b/node_modules/webpack/lib/AmdMainTemplatePlugin.js
new file mode 100644
index 00000000..705f88d5
--- /dev/null
+++ b/node_modules/webpack/lib/AmdMainTemplatePlugin.js
@@ -0,0 +1,106 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const Template = require("./Template");
+
+/** @typedef {import("./Compilation")} Compilation */
+
+/**
+ * @typedef {Object} AmdMainTemplatePluginOptions
+ * @param {string=} name the library name
+ * @property {boolean=} requireAsWrapper
+ */
+
+class AmdMainTemplatePlugin {
+	/**
+	 * @param {AmdMainTemplatePluginOptions} options the plugin options
+	 */
+	constructor(options) {
+		if (!options || typeof options === "string") {
+			this.name = options;
+			this.requireAsWrapper = false;
+		} else {
+			this.name = options.name;
+			this.requireAsWrapper = options.requireAsWrapper;
+		}
+	}
+
+	/**
+	 * @param {Compilation} compilation the compilation instance
+	 * @returns {void}
+	 */
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			const externals = chunk.getModules().filter(m => m.external);
+			const externalsDepsArray = JSON.stringify(
+				externals.map(m =>
+					typeof m.request === "object" ? m.request.amd : m.request
+				)
+			);
+			const externalsArguments = externals
+				.map(
+					m => `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
+				)
+				.join(", ");
+
+			if (this.requireAsWrapper) {
+				return new ConcatSource(
+					`require(${externalsDepsArray}, function(${externalsArguments}) { return `,
+					source,
+					"});"
+				);
+			} else if (this.name) {
+				const name = mainTemplate.getAssetPath(this.name, {
+					hash,
+					chunk
+				});
+
+				return new ConcatSource(
+					`define(${JSON.stringify(
+						name
+					)}, ${externalsDepsArray}, function(${externalsArguments}) { return `,
+					source,
+					"});"
+				);
+			} else if (externalsArguments) {
+				return new ConcatSource(
+					`define(${externalsDepsArray}, function(${externalsArguments}) { return `,
+					source,
+					"});"
+				);
+			} else {
+				return new ConcatSource("define(function() { return ", source, "});");
+			}
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"AmdMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.globalHashPaths.tap("AmdMainTemplatePlugin", paths => {
+			if (this.name) {
+				paths.push(this.name);
+			}
+			return paths;
+		});
+
+		mainTemplate.hooks.hash.tap("AmdMainTemplatePlugin", hash => {
+			hash.update("exports amd");
+			if (this.name) {
+				hash.update(this.name);
+			}
+		});
+	}
+}
+
+module.exports = AmdMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/AsyncDependenciesBlock.js b/node_modules/webpack/lib/AsyncDependenciesBlock.js
new file mode 100644
index 00000000..a7e02913
--- /dev/null
+++ b/node_modules/webpack/lib/AsyncDependenciesBlock.js
@@ -0,0 +1,110 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependenciesBlock = require("./DependenciesBlock");
+
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("./util/createHash").Hash} Hash */
+/** @typedef {TODO} GroupOptions */
+
+module.exports = class AsyncDependenciesBlock extends DependenciesBlock {
+	/**
+	 * @param {GroupOptions} groupOptions options for the group
+	 * @param {Module} module the Module object
+	 * @param {DependencyLocation=} loc the line of code
+	 * @param {TODO=} request the request
+	 */
+	constructor(groupOptions, module, loc, request) {
+		super();
+		if (typeof groupOptions === "string") {
+			groupOptions = { name: groupOptions };
+		} else if (!groupOptions) {
+			groupOptions = { name: undefined };
+		}
+		this.groupOptions = groupOptions;
+		/** @type {ChunkGroup=} */
+		this.chunkGroup = undefined;
+		this.module = module;
+		this.loc = loc;
+		this.request = request;
+		/** @type {DependenciesBlock} */
+		this.parent = undefined;
+	}
+
+	/**
+	 * @returns {string} The name of the chunk
+	 */
+	get chunkName() {
+		return this.groupOptions.name;
+	}
+
+	/**
+	 * @param {string} value The new chunk name
+	 * @returns {void}
+	 */
+	set chunkName(value) {
+		this.groupOptions.name = value;
+	}
+
+	/**
+	 * @returns {never} this throws and should never be called
+	 */
+	get chunks() {
+		throw new Error("Moved to AsyncDependenciesBlock.chunkGroup");
+	}
+
+	/**
+	 * @param {never} value setter value
+	 * @returns {never} this is going to throw therefore we should throw type
+	 * assertions by returning never
+	 */
+	set chunks(value) {
+		throw new Error("Moved to AsyncDependenciesBlock.chunkGroup");
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track block changes, from "crypto" module
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(JSON.stringify(this.groupOptions));
+		hash.update(
+			(this.chunkGroup &&
+				this.chunkGroup.chunks
+					.map(chunk => {
+						return chunk.id !== null ? chunk.id : "";
+					})
+					.join(",")) ||
+				""
+		);
+		super.updateHash(hash);
+	}
+
+	/**
+	 * @returns {void}
+	 */
+	disconnect() {
+		this.chunkGroup = undefined;
+		super.disconnect();
+	}
+
+	/**
+	 * @returns {void}
+	 */
+	unseal() {
+		this.chunkGroup = undefined;
+		super.unseal();
+	}
+
+	/**
+	 * @returns {void}
+	 */
+	sortItems() {
+		super.sortItems();
+	}
+};
diff --git a/node_modules/webpack/lib/AsyncDependencyToInitialChunkError.js b/node_modules/webpack/lib/AsyncDependencyToInitialChunkError.js
new file mode 100644
index 00000000..a0631aa3
--- /dev/null
+++ b/node_modules/webpack/lib/AsyncDependencyToInitialChunkError.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+class AsyncDependencyToInitialChunkError extends WebpackError {
+	/**
+	 * Creates an instance of AsyncDependencyToInitialChunkError.
+	 * @param {string} chunkName Name of Chunk
+	 * @param {Module} module module tied to dependency
+	 * @param {TODO} loc location of dependency
+	 */
+	constructor(chunkName, module, loc) {
+		super(
+			`It's not allowed to load an initial chunk on demand. The chunk name "${chunkName}" is already used by an entrypoint.`
+		);
+
+		this.name = "AsyncDependencyToInitialChunkError";
+		this.module = module;
+		this.loc = loc;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = AsyncDependencyToInitialChunkError;
diff --git a/node_modules/webpack/lib/AutomaticPrefetchPlugin.js b/node_modules/webpack/lib/AutomaticPrefetchPlugin.js
new file mode 100644
index 00000000..2d0db16e
--- /dev/null
+++ b/node_modules/webpack/lib/AutomaticPrefetchPlugin.js
@@ -0,0 +1,57 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const asyncLib = require("neo-async");
+const PrefetchDependency = require("./dependencies/PrefetchDependency");
+const NormalModule = require("./NormalModule");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class AutomaticPrefetchPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler Webpack Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"AutomaticPrefetchPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					PrefetchDependency,
+					normalModuleFactory
+				);
+			}
+		);
+		let lastModules = null;
+		compiler.hooks.afterCompile.tap("AutomaticPrefetchPlugin", compilation => {
+			lastModules = compilation.modules
+				.filter(m => m instanceof NormalModule)
+				.map((/** @type {NormalModule} */ m) => ({
+					context: m.context,
+					request: m.request
+				}));
+		});
+		compiler.hooks.make.tapAsync(
+			"AutomaticPrefetchPlugin",
+			(compilation, callback) => {
+				if (!lastModules) return callback();
+				asyncLib.forEach(
+					lastModules,
+					(m, callback) => {
+						compilation.prefetch(
+							m.context || compiler.context,
+							new PrefetchDependency(m.request),
+							callback
+						);
+					},
+					callback
+				);
+			}
+		);
+	}
+}
+module.exports = AutomaticPrefetchPlugin;
diff --git a/node_modules/webpack/lib/BannerPlugin.js b/node_modules/webpack/lib/BannerPlugin.js
new file mode 100644
index 00000000..322d854c
--- /dev/null
+++ b/node_modules/webpack/lib/BannerPlugin.js
@@ -0,0 +1,122 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const Template = require("./Template");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/BannerPlugin.json");
+
+/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginArgument} BannerPluginArgument */
+/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginOptions} BannerPluginOptions */
+
+const wrapComment = str => {
+	if (!str.includes("\n")) {
+		return Template.toComment(str);
+	}
+	return `/*!\n * ${str
+		.replace(/\*\//g, "* /")
+		.split("\n")
+		.join("\n * ")}\n */`;
+};
+
+class BannerPlugin {
+	/**
+	 * @param {BannerPluginArgument} options options object
+	 */
+	constructor(options) {
+		if (arguments.length > 1) {
+			throw new Error(
+				"BannerPlugin only takes one argument (pass an options object)"
+			);
+		}
+
+		validateOptions(schema, options, "Banner Plugin");
+
+		if (typeof options === "string" || typeof options === "function") {
+			options = {
+				banner: options
+			};
+		}
+
+		/** @type {BannerPluginOptions} */
+		this.options = options;
+
+		const bannerOption = options.banner;
+		if (typeof bannerOption === "function") {
+			const getBanner = bannerOption;
+			this.banner = this.options.raw
+				? getBanner
+				: data => wrapComment(getBanner(data));
+		} else {
+			const banner = this.options.raw
+				? bannerOption
+				: wrapComment(bannerOption);
+			this.banner = () => banner;
+		}
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		const banner = this.banner;
+		const matchObject = ModuleFilenameHelpers.matchObject.bind(
+			undefined,
+			options
+		);
+
+		compiler.hooks.compilation.tap("BannerPlugin", compilation => {
+			compilation.hooks.optimizeChunkAssets.tap("BannerPlugin", chunks => {
+				for (const chunk of chunks) {
+					if (options.entryOnly && !chunk.canBeInitial()) {
+						continue;
+					}
+
+					for (const file of chunk.files) {
+						if (!matchObject(file)) {
+							continue;
+						}
+
+						let query = "";
+						let filename = file;
+						const hash = compilation.hash;
+						const querySplit = filename.indexOf("?");
+
+						if (querySplit >= 0) {
+							query = filename.substr(querySplit);
+							filename = filename.substr(0, querySplit);
+						}
+
+						const lastSlashIndex = filename.lastIndexOf("/");
+
+						const basename =
+							lastSlashIndex === -1
+								? filename
+								: filename.substr(lastSlashIndex + 1);
+
+						const data = {
+							hash,
+							chunk,
+							filename,
+							basename,
+							query
+						};
+
+						const comment = compilation.getPath(banner(data), data);
+
+						compilation.updateAsset(
+							file,
+							old => new ConcatSource(comment, "\n", old)
+						);
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = BannerPlugin;
diff --git a/node_modules/webpack/lib/BasicEvaluatedExpression.js b/node_modules/webpack/lib/BasicEvaluatedExpression.js
new file mode 100644
index 00000000..a0f7bd43
--- /dev/null
+++ b/node_modules/webpack/lib/BasicEvaluatedExpression.js
@@ -0,0 +1,248 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const TypeUnknown = 0;
+const TypeNull = 1;
+const TypeString = 2;
+const TypeNumber = 3;
+const TypeBoolean = 4;
+const TypeRegExp = 5;
+const TypeConditional = 6;
+const TypeArray = 7;
+const TypeConstArray = 8;
+const TypeIdentifier = 9;
+const TypeWrapped = 10;
+const TypeTemplateString = 11;
+
+class BasicEvaluatedExpression {
+	constructor() {
+		this.type = TypeUnknown;
+		this.range = null;
+		this.falsy = false;
+		this.truthy = false;
+		this.bool = null;
+		this.number = null;
+		this.regExp = null;
+		this.string = null;
+		this.quasis = null;
+		this.parts = null;
+		this.array = null;
+		this.items = null;
+		this.options = null;
+		this.prefix = null;
+		this.postfix = null;
+		this.wrappedInnerExpressions = null;
+		this.expression = null;
+	}
+
+	isNull() {
+		return this.type === TypeNull;
+	}
+
+	isString() {
+		return this.type === TypeString;
+	}
+
+	isNumber() {
+		return this.type === TypeNumber;
+	}
+
+	isBoolean() {
+		return this.type === TypeBoolean;
+	}
+
+	isRegExp() {
+		return this.type === TypeRegExp;
+	}
+
+	isConditional() {
+		return this.type === TypeConditional;
+	}
+
+	isArray() {
+		return this.type === TypeArray;
+	}
+
+	isConstArray() {
+		return this.type === TypeConstArray;
+	}
+
+	isIdentifier() {
+		return this.type === TypeIdentifier;
+	}
+
+	isWrapped() {
+		return this.type === TypeWrapped;
+	}
+
+	isTemplateString() {
+		return this.type === TypeTemplateString;
+	}
+
+	isTruthy() {
+		return this.truthy;
+	}
+
+	isFalsy() {
+		return this.falsy;
+	}
+
+	asBool() {
+		if (this.truthy) return true;
+		if (this.falsy) return false;
+		if (this.isBoolean()) return this.bool;
+		if (this.isNull()) return false;
+		if (this.isString()) return this.string !== "";
+		if (this.isNumber()) return this.number !== 0;
+		if (this.isRegExp()) return true;
+		if (this.isArray()) return true;
+		if (this.isConstArray()) return true;
+		if (this.isWrapped()) {
+			return (this.prefix && this.prefix.asBool()) ||
+				(this.postfix && this.postfix.asBool())
+				? true
+				: undefined;
+		}
+		if (this.isTemplateString()) {
+			const str = this.asString();
+			if (typeof str === "string") return str !== "";
+		}
+		return undefined;
+	}
+
+	asString() {
+		if (this.isBoolean()) return `${this.bool}`;
+		if (this.isNull()) return "null";
+		if (this.isString()) return this.string;
+		if (this.isNumber()) return `${this.number}`;
+		if (this.isRegExp()) return `${this.regExp}`;
+		if (this.isArray()) {
+			let array = [];
+			for (const item of this.items) {
+				const itemStr = item.asString();
+				if (itemStr === undefined) return undefined;
+				array.push(itemStr);
+			}
+			return `${array}`;
+		}
+		if (this.isConstArray()) return `${this.array}`;
+		if (this.isTemplateString()) {
+			let str = "";
+			for (const part of this.parts) {
+				const partStr = part.asString();
+				if (partStr === undefined) return undefined;
+				str += partStr;
+			}
+			return str;
+		}
+		return undefined;
+	}
+
+	setString(string) {
+		this.type = TypeString;
+		this.string = string;
+		return this;
+	}
+
+	setNull() {
+		this.type = TypeNull;
+		return this;
+	}
+
+	setNumber(number) {
+		this.type = TypeNumber;
+		this.number = number;
+		return this;
+	}
+
+	setBoolean(bool) {
+		this.type = TypeBoolean;
+		this.bool = bool;
+		return this;
+	}
+
+	setRegExp(regExp) {
+		this.type = TypeRegExp;
+		this.regExp = regExp;
+		return this;
+	}
+
+	setIdentifier(identifier) {
+		this.type = TypeIdentifier;
+		this.identifier = identifier;
+		return this;
+	}
+
+	setWrapped(prefix, postfix, innerExpressions) {
+		this.type = TypeWrapped;
+		this.prefix = prefix;
+		this.postfix = postfix;
+		this.wrappedInnerExpressions = innerExpressions;
+		return this;
+	}
+
+	setOptions(options) {
+		this.type = TypeConditional;
+		this.options = options;
+		return this;
+	}
+
+	addOptions(options) {
+		if (!this.options) {
+			this.type = TypeConditional;
+			this.options = [];
+		}
+		for (const item of options) {
+			this.options.push(item);
+		}
+		return this;
+	}
+
+	setItems(items) {
+		this.type = TypeArray;
+		this.items = items;
+		return this;
+	}
+
+	setArray(array) {
+		this.type = TypeConstArray;
+		this.array = array;
+		return this;
+	}
+
+	setTemplateString(quasis, parts, kind) {
+		this.type = TypeTemplateString;
+		this.quasis = quasis;
+		this.parts = parts;
+		this.templateStringKind = kind;
+		return this;
+	}
+
+	setTruthy() {
+		this.falsy = false;
+		this.truthy = true;
+		return this;
+	}
+
+	setFalsy() {
+		this.falsy = true;
+		this.truthy = false;
+		return this;
+	}
+
+	setRange(range) {
+		this.range = range;
+		return this;
+	}
+
+	setExpression(expression) {
+		this.expression = expression;
+		return this;
+	}
+}
+
+module.exports = BasicEvaluatedExpression;
diff --git a/node_modules/webpack/lib/CachePlugin.js b/node_modules/webpack/lib/CachePlugin.js
new file mode 100644
index 00000000..68da003e
--- /dev/null
+++ b/node_modules/webpack/lib/CachePlugin.js
@@ -0,0 +1,100 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const asyncLib = require("neo-async");
+
+class CachePlugin {
+	constructor(cache) {
+		this.cache = cache || {};
+		this.FS_ACCURACY = 2000;
+	}
+
+	apply(compiler) {
+		if (Array.isArray(compiler.compilers)) {
+			compiler.compilers.forEach((c, idx) => {
+				new CachePlugin((this.cache[idx] = this.cache[idx] || {})).apply(c);
+			});
+		} else {
+			const registerCacheToCompiler = (compiler, cache) => {
+				compiler.hooks.thisCompilation.tap("CachePlugin", compilation => {
+					compilation.cache = cache;
+					compilation.hooks.childCompiler.tap(
+						"CachePlugin",
+						(childCompiler, compilerName, compilerIndex) => {
+							let childCache;
+							if (!cache.children) {
+								cache.children = {};
+							}
+							if (!cache.children[compilerName]) {
+								cache.children[compilerName] = [];
+							}
+							if (cache.children[compilerName][compilerIndex]) {
+								childCache = cache.children[compilerName][compilerIndex];
+							} else {
+								cache.children[compilerName].push((childCache = {}));
+							}
+							registerCacheToCompiler(childCompiler, childCache);
+						}
+					);
+				});
+			};
+			registerCacheToCompiler(compiler, this.cache);
+			compiler.hooks.watchRun.tap("CachePlugin", () => {
+				this.watching = true;
+			});
+			compiler.hooks.run.tapAsync("CachePlugin", (compiler, callback) => {
+				if (!compiler._lastCompilationFileDependencies) {
+					return callback();
+				}
+				const fs = compiler.inputFileSystem;
+				const fileTs = (compiler.fileTimestamps = new Map());
+				asyncLib.forEach(
+					compiler._lastCompilationFileDependencies,
+					(file, callback) => {
+						fs.stat(file, (err, stat) => {
+							if (err) {
+								if (err.code === "ENOENT") return callback();
+								return callback(err);
+							}
+
+							if (stat.mtime) this.applyMtime(+stat.mtime);
+
+							fileTs.set(file, +stat.mtime || Infinity);
+
+							callback();
+						});
+					},
+					err => {
+						if (err) return callback(err);
+
+						for (const [file, ts] of fileTs) {
+							fileTs.set(file, ts + this.FS_ACCURACY);
+						}
+
+						callback();
+					}
+				);
+			});
+			compiler.hooks.afterCompile.tap("CachePlugin", compilation => {
+				compilation.compiler._lastCompilationFileDependencies =
+					compilation.fileDependencies;
+				compilation.compiler._lastCompilationContextDependencies =
+					compilation.contextDependencies;
+			});
+		}
+	}
+
+	/* istanbul ignore next */
+	applyMtime(mtime) {
+		if (this.FS_ACCURACY > 1 && mtime % 2 !== 0) this.FS_ACCURACY = 1;
+		else if (this.FS_ACCURACY > 10 && mtime % 20 !== 0) this.FS_ACCURACY = 10;
+		else if (this.FS_ACCURACY > 100 && mtime % 200 !== 0)
+			this.FS_ACCURACY = 100;
+		else if (this.FS_ACCURACY > 1000 && mtime % 2000 !== 0)
+			this.FS_ACCURACY = 1000;
+	}
+}
+module.exports = CachePlugin;
diff --git a/node_modules/webpack/lib/CaseSensitiveModulesWarning.js b/node_modules/webpack/lib/CaseSensitiveModulesWarning.js
new file mode 100644
index 00000000..6bfeeca8
--- /dev/null
+++ b/node_modules/webpack/lib/CaseSensitiveModulesWarning.js
@@ -0,0 +1,67 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+/**
+ * @param {Module[]} modules the modules to be sorted
+ * @returns {Module[]} sorted version of original modules
+ */
+const sortModules = modules => {
+	return modules.slice().sort((a, b) => {
+		const aIdent = a.identifier();
+		const bIdent = b.identifier();
+		/* istanbul ignore next */
+		if (aIdent < bIdent) return -1;
+		/* istanbul ignore next */
+		if (aIdent > bIdent) return 1;
+		/* istanbul ignore next */
+		return 0;
+	});
+};
+
+/**
+ * @param {Module[]} modules each module from throw
+ * @returns {string} each message from provided moduels
+ */
+const createModulesListMessage = modules => {
+	return modules
+		.map(m => {
+			let message = `* ${m.identifier()}`;
+			const validReasons = m.reasons.filter(reason => reason.module);
+
+			if (validReasons.length > 0) {
+				message += `\n    Used by ${validReasons.length} module(s), i. e.`;
+				message += `\n    ${validReasons[0].module.identifier()}`;
+			}
+			return message;
+		})
+		.join("\n");
+};
+
+class CaseSensitiveModulesWarning extends WebpackError {
+	/**
+	 * Creates an instance of CaseSensitiveModulesWarning.
+	 * @param {Module[]} modules modules that were detected
+	 */
+	constructor(modules) {
+		const sortedModules = sortModules(modules);
+		const modulesList = createModulesListMessage(sortedModules);
+		super(`There are multiple modules with names that only differ in casing.
+This can lead to unexpected behavior when compiling on a filesystem with other case-semantic.
+Use equal casing. Compare these module identifiers:
+${modulesList}`);
+
+		this.name = "CaseSensitiveModulesWarning";
+		this.origin = this.module = sortedModules[0];
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = CaseSensitiveModulesWarning;
diff --git a/node_modules/webpack/lib/Chunk.js b/node_modules/webpack/lib/Chunk.js
new file mode 100644
index 00000000..db644ee0
--- /dev/null
+++ b/node_modules/webpack/lib/Chunk.js
@@ -0,0 +1,875 @@
+/*
+MIT License http://www.opensource.org/licenses/mit-license.php
+Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+const SortableSet = require("./util/SortableSet");
+const intersect = require("./util/SetHelpers").intersect;
+const GraphHelpers = require("./GraphHelpers");
+const Entrypoint = require("./Entrypoint");
+let debugId = 1000;
+const ERR_CHUNK_ENTRY = "Chunk.entry was removed. Use hasRuntime()";
+const ERR_CHUNK_INITIAL =
+	"Chunk.initial was removed. Use canBeInitial/isOnlyInitial()";
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./ModuleReason")} ModuleReason */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+/**
+ *  @typedef {Object} WithId an object who has an id property *
+ *  @property {string | number} id the id of the object
+ */
+
+/**
+ * Compare two Modules based on their ids for sorting
+ * @param {Module} a module
+ * @param {Module} b module
+ * @returns {-1|0|1} sort value
+ */
+
+// TODO use @callback
+/** @typedef {(a: Module, b: Module) => -1|0|1} ModuleSortPredicate */
+/** @typedef {(m: Module) => boolean} ModuleFilterPredicate */
+/** @typedef {(c: Chunk) => boolean} ChunkFilterPredicate */
+
+const sortModuleById = (a, b) => {
+	if (a.id < b.id) return -1;
+	if (b.id < a.id) return 1;
+	return 0;
+};
+
+/**
+ * Compare two ChunkGroups based on their ids for sorting
+ * @param {ChunkGroup} a chunk group
+ * @param {ChunkGroup} b chunk group
+ * @returns {-1|0|1} sort value
+ */
+const sortChunkGroupById = (a, b) => {
+	if (a.id < b.id) return -1;
+	if (b.id < a.id) return 1;
+	return 0;
+};
+
+/**
+ * Compare two Identifiables , based on their ids for sorting
+ * @param {Module} a first object with ident fn
+ * @param {Module} b second object with ident fn
+ * @returns {-1|0|1} The order number of the sort
+ */
+const sortByIdentifier = (a, b) => {
+	if (a.identifier() > b.identifier()) return 1;
+	if (a.identifier() < b.identifier()) return -1;
+	return 0;
+};
+
+/**
+ * @returns {string} a concatenation of module identifiers sorted
+ * @param {SortableSet} set to pull module identifiers from
+ */
+const getModulesIdent = set => {
+	set.sort();
+	let str = "";
+	for (const m of set) {
+		str += m.identifier() + "#";
+	}
+	return str;
+};
+
+/**
+ * @template T
+ * @param {SortableSet<T>} set the sortable set to convert to array
+ * @returns {Array<T>} the array returned from Array.from(set)
+ */
+const getArray = set => Array.from(set);
+
+/**
+ * @param {SortableSet<Module>} set the sortable Set to get the count/size of
+ * @returns {number} the size of the modules
+ */
+const getModulesSize = set => {
+	let size = 0;
+	for (const module of set) {
+		size += module.size();
+	}
+	return size;
+};
+
+/**
+ * A Chunk is a unit of encapsulation for Modules.
+ * Chunks are "rendered" into bundles that get emitted when the build completes.
+ */
+class Chunk {
+	/**
+	 * @param {string=} name of chunk being created, is optional (for subclasses)
+	 */
+	constructor(name) {
+		/** @type {number | null} */
+		this.id = null;
+		/** @type {number[] | null} */
+		this.ids = null;
+		/** @type {number} */
+		this.debugId = debugId++;
+		/** @type {string} */
+		this.name = name;
+		/** @type {boolean} */
+		this.preventIntegration = false;
+		/** @type {Module=} */
+		this.entryModule = undefined;
+		/** @private @type {SortableSet<Module>} */
+		this._modules = new SortableSet(undefined, sortByIdentifier);
+		/** @type {string?} */
+		this.filenameTemplate = undefined;
+		/** @private @type {SortableSet<ChunkGroup>} */
+		this._groups = new SortableSet(undefined, sortChunkGroupById);
+		/** @type {string[]} */
+		this.files = [];
+		/** @type {boolean} */
+		this.rendered = false;
+		/** @type {string=} */
+		this.hash = undefined;
+		/** @type {Object} */
+		this.contentHash = Object.create(null);
+		/** @type {string=} */
+		this.renderedHash = undefined;
+		/** @type {string=} */
+		this.chunkReason = undefined;
+		/** @type {boolean} */
+		this.extraAsync = false;
+		this.removedModules = undefined;
+	}
+
+	/**
+	 * @deprecated Chunk.entry has been deprecated. Please use .hasRuntime() instead
+	 * @returns {never} Throws an error trying to access this property
+	 */
+	get entry() {
+		throw new Error(ERR_CHUNK_ENTRY);
+	}
+
+	/**
+	 * @deprecated .entry has been deprecated. Please use .hasRuntime() instead
+	 * @param {never} data The data that was attempting to be set
+	 * @returns {never} Throws an error trying to access this property
+	 */
+	set entry(data) {
+		throw new Error(ERR_CHUNK_ENTRY);
+	}
+
+	/**
+	 * @deprecated Chunk.initial was removed. Use canBeInitial/isOnlyInitial()
+	 * @returns {never} Throws an error trying to access this property
+	 */
+	get initial() {
+		throw new Error(ERR_CHUNK_INITIAL);
+	}
+
+	/**
+	 * @deprecated Chunk.initial was removed. Use canBeInitial/isOnlyInitial()
+	 * @param {never} data The data attempting to be set
+	 * @returns {never} Throws an error trying to access this property
+	 */
+	set initial(data) {
+		throw new Error(ERR_CHUNK_INITIAL);
+	}
+
+	/**
+	 * @returns {boolean} whether or not the Chunk will have a runtime
+	 */
+	hasRuntime() {
+		for (const chunkGroup of this._groups) {
+			if (
+				chunkGroup.isInitial() &&
+				chunkGroup instanceof Entrypoint &&
+				chunkGroup.getRuntimeChunk() === this
+			) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * @returns {boolean} whether or not this chunk can be an initial chunk
+	 */
+	canBeInitial() {
+		for (const chunkGroup of this._groups) {
+			if (chunkGroup.isInitial()) return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @returns {boolean} whether this chunk can only be an initial chunk
+	 */
+	isOnlyInitial() {
+		if (this._groups.size <= 0) return false;
+		for (const chunkGroup of this._groups) {
+			if (!chunkGroup.isInitial()) return false;
+		}
+		return true;
+	}
+
+	/**
+	 * @returns {boolean} if this chunk contains the entry module
+	 */
+	hasEntryModule() {
+		return !!this.entryModule;
+	}
+
+	/**
+	 * @param {Module} module the module that will be added to this chunk.
+	 * @returns {boolean} returns true if the chunk doesn't have the module and it was added
+	 */
+	addModule(module) {
+		if (!this._modules.has(module)) {
+			this._modules.add(module);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param {Module} module the module that will be removed from this chunk
+	 * @returns {boolean} returns true if chunk exists and is successfully deleted
+	 */
+	removeModule(module) {
+		if (this._modules.delete(module)) {
+			module.removeChunk(this);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param {Module[]} modules the new modules to be set
+	 * @returns {void} set new modules to this chunk and return nothing
+	 */
+	setModules(modules) {
+		this._modules = new SortableSet(modules, sortByIdentifier);
+	}
+
+	/**
+	 * @returns {number} the amount of modules in chunk
+	 */
+	getNumberOfModules() {
+		return this._modules.size;
+	}
+
+	/**
+	 * @returns {SortableSet} return the modules SortableSet for this chunk
+	 */
+	get modulesIterable() {
+		return this._modules;
+	}
+
+	/**
+	 * @param {ChunkGroup} chunkGroup the chunkGroup the chunk is being added
+	 * @returns {boolean} returns true if chunk is not apart of chunkGroup and is added successfully
+	 */
+	addGroup(chunkGroup) {
+		if (this._groups.has(chunkGroup)) return false;
+		this._groups.add(chunkGroup);
+		return true;
+	}
+
+	/**
+	 * @param {ChunkGroup} chunkGroup the chunkGroup the chunk is being removed from
+	 * @returns {boolean} returns true if chunk does exist in chunkGroup and is removed
+	 */
+	removeGroup(chunkGroup) {
+		if (!this._groups.has(chunkGroup)) return false;
+		this._groups.delete(chunkGroup);
+		return true;
+	}
+
+	/**
+	 * @param {ChunkGroup} chunkGroup the chunkGroup to check
+	 * @returns {boolean} returns true if chunk has chunkGroup reference and exists in chunkGroup
+	 */
+	isInGroup(chunkGroup) {
+		return this._groups.has(chunkGroup);
+	}
+
+	/**
+	 * @returns {number} the amount of groups said chunk is in
+	 */
+	getNumberOfGroups() {
+		return this._groups.size;
+	}
+
+	/**
+	 * @returns {SortableSet<ChunkGroup>} the chunkGroups that said chunk is referenced in
+	 */
+	get groupsIterable() {
+		return this._groups;
+	}
+
+	/**
+	 * @param {Chunk} otherChunk the chunk to compare itself with
+	 * @returns {-1|0|1} this is a comparitor function like sort and returns -1, 0, or 1 based on sort order
+	 */
+	compareTo(otherChunk) {
+		if (this.name && !otherChunk.name) return -1;
+		if (!this.name && otherChunk.name) return 1;
+		if (this.name < otherChunk.name) return -1;
+		if (this.name > otherChunk.name) return 1;
+		if (this._modules.size > otherChunk._modules.size) return -1;
+		if (this._modules.size < otherChunk._modules.size) return 1;
+		this._modules.sort();
+		otherChunk._modules.sort();
+		const a = this._modules[Symbol.iterator]();
+		const b = otherChunk._modules[Symbol.iterator]();
+		// eslint-disable-next-line no-constant-condition
+		while (true) {
+			const aItem = a.next();
+			if (aItem.done) return 0;
+			const bItem = b.next();
+			const aModuleIdentifier = aItem.value.identifier();
+			const bModuleIdentifier = bItem.value.identifier();
+			if (aModuleIdentifier < bModuleIdentifier) return -1;
+			if (aModuleIdentifier > bModuleIdentifier) return 1;
+		}
+	}
+
+	/**
+	 * @param {Module} module Module to check
+	 * @returns {boolean} returns true if module does exist in this chunk
+	 */
+	containsModule(module) {
+		return this._modules.has(module);
+	}
+
+	/**
+	 * @returns {Module[]} an array of modules (do not modify)
+	 */
+	getModules() {
+		return this._modules.getFromCache(getArray);
+	}
+
+	getModulesIdent() {
+		return this._modules.getFromUnorderedCache(getModulesIdent);
+	}
+
+	/**
+	 * @param {string=} reason reason why chunk is removed
+	 * @returns {void}
+	 */
+	remove(reason) {
+		// cleanup modules
+		// Array.from is used here to create a clone, because removeChunk modifies this._modules
+		for (const module of Array.from(this._modules)) {
+			module.removeChunk(this);
+		}
+		for (const chunkGroup of this._groups) {
+			chunkGroup.removeChunk(this);
+		}
+	}
+
+	/**
+	 *
+	 * @param {Module} module module to move
+	 * @param {Chunk} otherChunk other chunk to move it to
+	 * @returns {void}
+	 */
+	moveModule(module, otherChunk) {
+		GraphHelpers.disconnectChunkAndModule(this, module);
+		GraphHelpers.connectChunkAndModule(otherChunk, module);
+		module.rewriteChunkInReasons(this, [otherChunk]);
+	}
+
+	/**
+	 *
+	 * @param {Chunk} otherChunk the chunk to integrate with
+	 * @param {string} reason reason why the module is being integrated
+	 * @returns {boolean} returns true or false if integration succeeds or fails
+	 */
+	integrate(otherChunk, reason) {
+		if (!this.canBeIntegrated(otherChunk)) {
+			return false;
+		}
+
+		// Pick a new name for the integrated chunk
+		if (this.name && otherChunk.name) {
+			if (this.hasEntryModule() === otherChunk.hasEntryModule()) {
+				// When both chunks have entry modules or none have one, use
+				// shortest name
+				if (this.name.length !== otherChunk.name.length) {
+					this.name =
+						this.name.length < otherChunk.name.length
+							? this.name
+							: otherChunk.name;
+				} else {
+					this.name = this.name < otherChunk.name ? this.name : otherChunk.name;
+				}
+			} else if (otherChunk.hasEntryModule()) {
+				// Pick the name of the chunk with the entry module
+				this.name = otherChunk.name;
+			}
+		} else if (otherChunk.name) {
+			this.name = otherChunk.name;
+		}
+
+		// Array.from is used here to create a clone, because moveModule modifies otherChunk._modules
+		for (const module of Array.from(otherChunk._modules)) {
+			otherChunk.moveModule(module, this);
+		}
+		otherChunk._modules.clear();
+
+		if (otherChunk.entryModule) {
+			this.entryModule = otherChunk.entryModule;
+		}
+
+		for (const chunkGroup of otherChunk._groups) {
+			chunkGroup.replaceChunk(otherChunk, this);
+			this.addGroup(chunkGroup);
+		}
+		otherChunk._groups.clear();
+
+		return true;
+	}
+
+	/**
+	 * @param {Chunk} newChunk the new chunk that will be split out of the current chunk
+	 * @returns {void}
+	 */
+	split(newChunk) {
+		for (const chunkGroup of this._groups) {
+			chunkGroup.insertChunk(newChunk, this);
+			newChunk.addGroup(chunkGroup);
+		}
+	}
+
+	isEmpty() {
+		return this._modules.size === 0;
+	}
+
+	updateHash(hash) {
+		hash.update(`${this.id} `);
+		hash.update(this.ids ? this.ids.join(",") : "");
+		hash.update(`${this.name || ""} `);
+		for (const m of this._modules) {
+			hash.update(m.hash);
+		}
+	}
+
+	canBeIntegrated(otherChunk) {
+		if (this.preventIntegration || otherChunk.preventIntegration) {
+			return false;
+		}
+
+		/**
+		 * @param {Chunk} a chunk
+		 * @param {Chunk} b chunk
+		 * @returns {boolean} true, if a is always available when b is reached
+		 */
+		const isAvailable = (a, b) => {
+			const queue = new Set(b.groupsIterable);
+			for (const chunkGroup of queue) {
+				if (a.isInGroup(chunkGroup)) continue;
+				if (chunkGroup.isInitial()) return false;
+				for (const parent of chunkGroup.parentsIterable) {
+					queue.add(parent);
+				}
+			}
+			return true;
+		};
+
+		const selfHasRuntime = this.hasRuntime();
+		const otherChunkHasRuntime = otherChunk.hasRuntime();
+
+		if (selfHasRuntime !== otherChunkHasRuntime) {
+			if (selfHasRuntime) {
+				return isAvailable(this, otherChunk);
+			} else if (otherChunkHasRuntime) {
+				return isAvailable(otherChunk, this);
+			} else {
+				return false;
+			}
+		}
+
+		if (this.hasEntryModule() || otherChunk.hasEntryModule()) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 *
+	 * @param {number} size the size
+	 * @param {Object} options the options passed in
+	 * @returns {number} the multiplier returned
+	 */
+	addMultiplierAndOverhead(size, options) {
+		const overhead =
+			typeof options.chunkOverhead === "number" ? options.chunkOverhead : 10000;
+		const multiplicator = this.canBeInitial()
+			? options.entryChunkMultiplicator || 10
+			: 1;
+
+		return size * multiplicator + overhead;
+	}
+
+	/**
+	 * @returns {number} the size of all modules
+	 */
+	modulesSize() {
+		return this._modules.getFromUnorderedCache(getModulesSize);
+	}
+
+	/**
+	 * @param {Object} options the size display options
+	 * @returns {number} the chunk size
+	 */
+	size(options = {}) {
+		return this.addMultiplierAndOverhead(this.modulesSize(), options);
+	}
+
+	/**
+	 * @param {Chunk} otherChunk the other chunk
+	 * @param {TODO} options the options for this function
+	 * @returns {number | false} the size, or false if it can't be integrated
+	 */
+	integratedSize(otherChunk, options) {
+		// Chunk if it's possible to integrate this chunk
+		if (!this.canBeIntegrated(otherChunk)) {
+			return false;
+		}
+
+		let integratedModulesSize = this.modulesSize();
+		// only count modules that do not exist in this chunk!
+		for (const otherModule of otherChunk._modules) {
+			if (!this._modules.has(otherModule)) {
+				integratedModulesSize += otherModule.size();
+			}
+		}
+
+		return this.addMultiplierAndOverhead(integratedModulesSize, options);
+	}
+
+	/**
+	 * @param {function(Module, Module): -1|0|1=} sortByFn a predicate function used to sort modules
+	 * @returns {void}
+	 */
+	sortModules(sortByFn) {
+		this._modules.sortWith(sortByFn || sortModuleById);
+	}
+
+	sortItems() {
+		this.sortModules();
+	}
+
+	/**
+	 * @returns {Set<Chunk>} a set of all the async chunks
+	 */
+	getAllAsyncChunks() {
+		const queue = new Set();
+		const chunks = new Set();
+
+		const initialChunks = intersect(
+			Array.from(this.groupsIterable, g => new Set(g.chunks))
+		);
+
+		for (const chunkGroup of this.groupsIterable) {
+			for (const child of chunkGroup.childrenIterable) {
+				queue.add(child);
+			}
+		}
+
+		for (const chunkGroup of queue) {
+			for (const chunk of chunkGroup.chunks) {
+				if (!initialChunks.has(chunk)) {
+					chunks.add(chunk);
+				}
+			}
+			for (const child of chunkGroup.childrenIterable) {
+				queue.add(child);
+			}
+		}
+
+		return chunks;
+	}
+
+	/**
+	 * @typedef {Object} ChunkMaps
+	 * @property {Record<string|number, string>} hash
+	 * @property {Record<string|number, Record<string, string>>} contentHash
+	 * @property {Record<string|number, string>} name
+	 */
+
+	/**
+	 * @param {boolean} realHash should the full hash or the rendered hash be used
+	 * @returns {ChunkMaps} the chunk map information
+	 */
+	getChunkMaps(realHash) {
+		/** @type {Record<string|number, string>} */
+		const chunkHashMap = Object.create(null);
+		/** @type {Record<string|number, Record<string, string>>} */
+		const chunkContentHashMap = Object.create(null);
+		/** @type {Record<string|number, string>} */
+		const chunkNameMap = Object.create(null);
+
+		for (const chunk of this.getAllAsyncChunks()) {
+			chunkHashMap[chunk.id] = realHash ? chunk.hash : chunk.renderedHash;
+			for (const key of Object.keys(chunk.contentHash)) {
+				if (!chunkContentHashMap[key]) {
+					chunkContentHashMap[key] = Object.create(null);
+				}
+				chunkContentHashMap[key][chunk.id] = chunk.contentHash[key];
+			}
+			if (chunk.name) {
+				chunkNameMap[chunk.id] = chunk.name;
+			}
+		}
+
+		return {
+			hash: chunkHashMap,
+			contentHash: chunkContentHashMap,
+			name: chunkNameMap
+		};
+	}
+
+	/**
+	 * @returns {Record<string, Set<TODO>[]>} a record object of names to lists of child ids(?)
+	 */
+	getChildIdsByOrders() {
+		const lists = new Map();
+		for (const group of this.groupsIterable) {
+			if (group.chunks[group.chunks.length - 1] === this) {
+				for (const childGroup of group.childrenIterable) {
+					// TODO webpack 5 remove this check for options
+					if (typeof childGroup.options === "object") {
+						for (const key of Object.keys(childGroup.options)) {
+							if (key.endsWith("Order")) {
+								const name = key.substr(0, key.length - "Order".length);
+								let list = lists.get(name);
+								if (list === undefined) lists.set(name, (list = []));
+								list.push({
+									order: childGroup.options[key],
+									group: childGroup
+								});
+							}
+						}
+					}
+				}
+			}
+		}
+		const result = Object.create(null);
+		for (const [name, list] of lists) {
+			list.sort((a, b) => {
+				const cmp = b.order - a.order;
+				if (cmp !== 0) return cmp;
+				// TODO webpack 5 remove this check of compareTo
+				if (a.group.compareTo) {
+					return a.group.compareTo(b.group);
+				}
+				return 0;
+			});
+			result[name] = Array.from(
+				list.reduce((set, item) => {
+					for (const chunk of item.group.chunks) {
+						set.add(chunk.id);
+					}
+					return set;
+				}, new Set())
+			);
+		}
+		return result;
+	}
+
+	getChildIdsByOrdersMap(includeDirectChildren) {
+		const chunkMaps = Object.create(null);
+
+		const addChildIdsByOrdersToMap = chunk => {
+			const data = chunk.getChildIdsByOrders();
+			for (const key of Object.keys(data)) {
+				let chunkMap = chunkMaps[key];
+				if (chunkMap === undefined) {
+					chunkMaps[key] = chunkMap = Object.create(null);
+				}
+				chunkMap[chunk.id] = data[key];
+			}
+		};
+
+		if (includeDirectChildren) {
+			const chunks = new Set();
+			for (const chunkGroup of this.groupsIterable) {
+				for (const chunk of chunkGroup.chunks) {
+					chunks.add(chunk);
+				}
+			}
+			for (const chunk of chunks) {
+				addChildIdsByOrdersToMap(chunk);
+			}
+		}
+
+		for (const chunk of this.getAllAsyncChunks()) {
+			addChildIdsByOrdersToMap(chunk);
+		}
+
+		return chunkMaps;
+	}
+
+	/**
+	 * @typedef {Object} ChunkModuleMaps
+	 * @property {Record<string|number, (string|number)[]>} id
+	 * @property {Record<string|number, string>} hash
+	 */
+
+	/**
+	 * @param {ModuleFilterPredicate} filterFn function used to filter modules
+	 * @returns {ChunkModuleMaps} module map information
+	 */
+	getChunkModuleMaps(filterFn) {
+		/** @type {Record<string|number, (string|number)[]>} */
+		const chunkModuleIdMap = Object.create(null);
+		/** @type {Record<string|number, string>} */
+		const chunkModuleHashMap = Object.create(null);
+
+		for (const chunk of this.getAllAsyncChunks()) {
+			/** @type {(string|number)[]} */
+			let array;
+			for (const module of chunk.modulesIterable) {
+				if (filterFn(module)) {
+					if (array === undefined) {
+						array = [];
+						chunkModuleIdMap[chunk.id] = array;
+					}
+					array.push(module.id);
+					chunkModuleHashMap[module.id] = module.renderedHash;
+				}
+			}
+			if (array !== undefined) {
+				array.sort();
+			}
+		}
+
+		return {
+			id: chunkModuleIdMap,
+			hash: chunkModuleHashMap
+		};
+	}
+
+	/**
+	 *
+	 * @param {function(Module): boolean} filterFn predicate function used to filter modules
+	 * @param {function(Chunk): boolean} filterChunkFn predicate function used to filter chunks
+	 * @returns {boolean} return true if module exists in graph
+	 */
+	hasModuleInGraph(filterFn, filterChunkFn) {
+		const queue = new Set(this.groupsIterable);
+		const chunksProcessed = new Set();
+
+		for (const chunkGroup of queue) {
+			for (const chunk of chunkGroup.chunks) {
+				if (!chunksProcessed.has(chunk)) {
+					chunksProcessed.add(chunk);
+					if (!filterChunkFn || filterChunkFn(chunk)) {
+						for (const module of chunk.modulesIterable) {
+							if (filterFn(module)) {
+								return true;
+							}
+						}
+					}
+				}
+			}
+			for (const child of chunkGroup.childrenIterable) {
+				queue.add(child);
+			}
+		}
+		return false;
+	}
+
+	toString() {
+		return `Chunk[${Array.from(this._modules).join()}]`;
+	}
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "forEachModule", {
+	configurable: false,
+	value: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {Chunk}
+		 * @typedef {function(any, any, Set<any>): void} ForEachModuleCallback
+		 * @param {ForEachModuleCallback} fn Callback function
+		 * @returns {void}
+		 */
+		function(fn) {
+			this._modules.forEach(fn);
+		},
+		"Chunk.forEachModule: Use for(const module of chunk.modulesIterable) instead"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "mapModules", {
+	configurable: false,
+	value: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {Chunk}
+		 * @typedef {function(any, number): any} MapModulesCallback
+		 * @param {MapModulesCallback} fn Callback function
+		 * @returns {TODO[]} result of mapped modules
+		 */
+		function(fn) {
+			return Array.from(this._modules, fn);
+		},
+		"Chunk.mapModules: Use Array.from(chunk.modulesIterable, fn) instead"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "chunks", {
+	configurable: false,
+	get() {
+		throw new Error("Chunk.chunks: Use ChunkGroup.getChildren() instead");
+	},
+	set() {
+		throw new Error("Chunk.chunks: Use ChunkGroup.add/removeChild() instead");
+	}
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "parents", {
+	configurable: false,
+	get() {
+		throw new Error("Chunk.parents: Use ChunkGroup.getParents() instead");
+	},
+	set() {
+		throw new Error("Chunk.parents: Use ChunkGroup.add/removeParent() instead");
+	}
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "blocks", {
+	configurable: false,
+	get() {
+		throw new Error("Chunk.blocks: Use ChunkGroup.getBlocks() instead");
+	},
+	set() {
+		throw new Error("Chunk.blocks: Use ChunkGroup.add/removeBlock() instead");
+	}
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Chunk.prototype, "entrypoints", {
+	configurable: false,
+	get() {
+		throw new Error(
+			"Chunk.entrypoints: Use Chunks.groupsIterable and filter by instanceof Entrypoint instead"
+		);
+	},
+	set() {
+		throw new Error("Chunk.entrypoints: Use Chunks.addGroup instead");
+	}
+});
+
+module.exports = Chunk;
diff --git a/node_modules/webpack/lib/ChunkGroup.js b/node_modules/webpack/lib/ChunkGroup.js
new file mode 100644
index 00000000..6f0ad97a
--- /dev/null
+++ b/node_modules/webpack/lib/ChunkGroup.js
@@ -0,0 +1,513 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const SortableSet = require("./util/SortableSet");
+const compareLocations = require("./compareLocations");
+
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./ModuleReason")} ModuleReason */
+
+/** @typedef {{module: Module, loc: TODO, request: string}} OriginRecord */
+/** @typedef {string|{name: string}} ChunkGroupOptions */
+
+let debugId = 5000;
+
+/**
+ * @template T
+ * @param {SortableSet<T>} set set to convert to array.
+ * @returns {T[]} the array format of existing set
+ */
+const getArray = set => Array.from(set);
+
+/**
+ * A convenience method used to sort chunks based on their id's
+ * @param {ChunkGroup} a first sorting comparator
+ * @param {ChunkGroup} b second sorting comparator
+ * @returns {1|0|-1} a sorting index to determine order
+ */
+const sortById = (a, b) => {
+	if (a.id < b.id) return -1;
+	if (b.id < a.id) return 1;
+	return 0;
+};
+
+/**
+ * @param {OriginRecord} a the first comparator in sort
+ * @param {OriginRecord} b the second comparator in sort
+ * @returns {1|-1|0} returns sorting order as index
+ */
+const sortOrigin = (a, b) => {
+	const aIdent = a.module ? a.module.identifier() : "";
+	const bIdent = b.module ? b.module.identifier() : "";
+	if (aIdent < bIdent) return -1;
+	if (aIdent > bIdent) return 1;
+	return compareLocations(a.loc, b.loc);
+};
+
+class ChunkGroup {
+	/**
+	 * Creates an instance of ChunkGroup.
+	 * @param {ChunkGroupOptions=} options chunk group options passed to chunkGroup
+	 */
+	constructor(options) {
+		if (typeof options === "string") {
+			options = { name: options };
+		} else if (!options) {
+			options = { name: undefined };
+		}
+		/** @type {number} */
+		this.groupDebugId = debugId++;
+		this.options = options;
+		/** @type {SortableSet<ChunkGroup>} */
+		this._children = new SortableSet(undefined, sortById);
+		this._parents = new SortableSet(undefined, sortById);
+		this._blocks = new SortableSet();
+		/** @type {Chunk[]} */
+		this.chunks = [];
+		/** @type {OriginRecord[]} */
+		this.origins = [];
+		/** Indices in top-down order */
+		/** @private @type {Map<Module, number>} */
+		this._moduleIndices = new Map();
+		/** Indices in bottom-up order */
+		/** @private @type {Map<Module, number>} */
+		this._moduleIndices2 = new Map();
+	}
+
+	/**
+	 * when a new chunk is added to a chunkGroup, addingOptions will occur.
+	 * @param {ChunkGroupOptions} options the chunkGroup options passed to addOptions
+	 * @returns {void}
+	 */
+	addOptions(options) {
+		for (const key of Object.keys(options)) {
+			if (this.options[key] === undefined) {
+				this.options[key] = options[key];
+			} else if (this.options[key] !== options[key]) {
+				if (key.endsWith("Order")) {
+					this.options[key] = Math.max(this.options[key], options[key]);
+				} else {
+					throw new Error(
+						`ChunkGroup.addOptions: No option merge strategy for ${key}`
+					);
+				}
+			}
+		}
+	}
+
+	/**
+	 * returns the name of current ChunkGroup
+	 * @returns {string|undefined} returns the ChunkGroup name
+	 */
+	get name() {
+		return this.options.name;
+	}
+
+	/**
+	 * sets a new name for current ChunkGroup
+	 * @param {string} value the new name for ChunkGroup
+	 * @returns {void}
+	 */
+	set name(value) {
+		this.options.name = value;
+	}
+
+	/**
+	 * get a uniqueId for ChunkGroup, made up of its member Chunk debugId's
+	 * @returns {string} a unique concatenation of chunk debugId's
+	 */
+	get debugId() {
+		return Array.from(this.chunks, x => x.debugId).join("+");
+	}
+
+	/**
+	 * get a unique id for ChunkGroup, made up of its member Chunk id's
+	 * @returns {string} a unique concatenation of chunk ids
+	 */
+	get id() {
+		return Array.from(this.chunks, x => x.id).join("+");
+	}
+
+	/**
+	 * Performs an unshift of a specific chunk
+	 * @param {Chunk} chunk chunk being unshifted
+	 * @returns {boolean} returns true if attempted chunk shift is accepted
+	 */
+	unshiftChunk(chunk) {
+		const oldIdx = this.chunks.indexOf(chunk);
+		if (oldIdx > 0) {
+			this.chunks.splice(oldIdx, 1);
+			this.chunks.unshift(chunk);
+		} else if (oldIdx < 0) {
+			this.chunks.unshift(chunk);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * inserts a chunk before another existing chunk in group
+	 * @param {Chunk} chunk Chunk being inserted
+	 * @param {Chunk} before Placeholder/target chunk marking new chunk insertion point
+	 * @returns {boolean} return true if insertion was successful
+	 */
+	insertChunk(chunk, before) {
+		const oldIdx = this.chunks.indexOf(chunk);
+		const idx = this.chunks.indexOf(before);
+		if (idx < 0) {
+			throw new Error("before chunk not found");
+		}
+		if (oldIdx >= 0 && oldIdx > idx) {
+			this.chunks.splice(oldIdx, 1);
+			this.chunks.splice(idx, 0, chunk);
+		} else if (oldIdx < 0) {
+			this.chunks.splice(idx, 0, chunk);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * add a chunk into ChunkGroup. Is pushed on or prepended
+	 * @param {Chunk} chunk chunk being pushed into ChunkGroupS
+	 * @returns {boolean} returns true if chunk addition was successful.
+	 */
+	pushChunk(chunk) {
+		const oldIdx = this.chunks.indexOf(chunk);
+		if (oldIdx >= 0) {
+			return false;
+		}
+		this.chunks.push(chunk);
+		return true;
+	}
+
+	/**
+	 * @param {Chunk} oldChunk chunk to be replaced
+	 * @param {Chunk} newChunk New chunk that will be replaced with
+	 * @returns {boolean} returns true if the replacement was successful
+	 */
+	replaceChunk(oldChunk, newChunk) {
+		const oldIdx = this.chunks.indexOf(oldChunk);
+		if (oldIdx < 0) return false;
+		const newIdx = this.chunks.indexOf(newChunk);
+		if (newIdx < 0) {
+			this.chunks[oldIdx] = newChunk;
+			return true;
+		}
+		if (newIdx < oldIdx) {
+			this.chunks.splice(oldIdx, 1);
+			return true;
+		} else if (newIdx !== oldIdx) {
+			this.chunks[oldIdx] = newChunk;
+			this.chunks.splice(newIdx, 1);
+			return true;
+		}
+	}
+
+	removeChunk(chunk) {
+		const idx = this.chunks.indexOf(chunk);
+		if (idx >= 0) {
+			this.chunks.splice(idx, 1);
+			return true;
+		}
+		return false;
+	}
+
+	isInitial() {
+		return false;
+	}
+
+	addChild(chunk) {
+		if (this._children.has(chunk)) {
+			return false;
+		}
+		this._children.add(chunk);
+		return true;
+	}
+
+	getChildren() {
+		return this._children.getFromCache(getArray);
+	}
+
+	getNumberOfChildren() {
+		return this._children.size;
+	}
+
+	get childrenIterable() {
+		return this._children;
+	}
+
+	removeChild(chunk) {
+		if (!this._children.has(chunk)) {
+			return false;
+		}
+
+		this._children.delete(chunk);
+		chunk.removeParent(this);
+		return true;
+	}
+
+	addParent(parentChunk) {
+		if (!this._parents.has(parentChunk)) {
+			this._parents.add(parentChunk);
+			return true;
+		}
+		return false;
+	}
+
+	getParents() {
+		return this._parents.getFromCache(getArray);
+	}
+
+	setParents(newParents) {
+		this._parents.clear();
+		for (const p of newParents) {
+			this._parents.add(p);
+		}
+	}
+
+	getNumberOfParents() {
+		return this._parents.size;
+	}
+
+	hasParent(parent) {
+		return this._parents.has(parent);
+	}
+
+	get parentsIterable() {
+		return this._parents;
+	}
+
+	removeParent(chunk) {
+		if (this._parents.delete(chunk)) {
+			chunk.removeChunk(this);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @returns {Array} - an array containing the blocks
+	 */
+	getBlocks() {
+		return this._blocks.getFromCache(getArray);
+	}
+
+	getNumberOfBlocks() {
+		return this._blocks.size;
+	}
+
+	hasBlock(block) {
+		return this._blocks.has(block);
+	}
+
+	get blocksIterable() {
+		return this._blocks;
+	}
+
+	addBlock(block) {
+		if (!this._blocks.has(block)) {
+			this._blocks.add(block);
+			return true;
+		}
+		return false;
+	}
+
+	addOrigin(module, loc, request) {
+		this.origins.push({
+			module,
+			loc,
+			request
+		});
+	}
+
+	containsModule(module) {
+		for (const chunk of this.chunks) {
+			if (chunk.containsModule(module)) return true;
+		}
+		return false;
+	}
+
+	getFiles() {
+		const files = new Set();
+
+		for (const chunk of this.chunks) {
+			for (const file of chunk.files) {
+				files.add(file);
+			}
+		}
+
+		return Array.from(files);
+	}
+
+	/**
+	 * @param {string=} reason reason for removing ChunkGroup
+	 * @returns {void}
+	 */
+	remove(reason) {
+		// cleanup parents
+		for (const parentChunkGroup of this._parents) {
+			// remove this chunk from its parents
+			parentChunkGroup._children.delete(this);
+
+			// cleanup "sub chunks"
+			for (const chunkGroup of this._children) {
+				/**
+				 * remove this chunk as "intermediary" and connect
+				 * it "sub chunks" and parents directly
+				 */
+				// add parent to each "sub chunk"
+				chunkGroup.addParent(parentChunkGroup);
+				// add "sub chunk" to parent
+				parentChunkGroup.addChild(chunkGroup);
+			}
+		}
+
+		/**
+		 * we need to iterate again over the children
+		 * to remove this from the child's parents.
+		 * This can not be done in the above loop
+		 * as it is not guaranteed that `this._parents` contains anything.
+		 */
+		for (const chunkGroup of this._children) {
+			// remove this as parent of every "sub chunk"
+			chunkGroup._parents.delete(this);
+		}
+
+		// cleanup blocks
+		for (const block of this._blocks) {
+			block.chunkGroup = null;
+		}
+
+		// remove chunks
+		for (const chunk of this.chunks) {
+			chunk.removeGroup(this);
+		}
+	}
+
+	sortItems() {
+		this.origins.sort(sortOrigin);
+		this._parents.sort();
+		this._children.sort();
+	}
+
+	/**
+	 * Sorting predicate which allows current ChunkGroup to be compared against another.
+	 * Sorting values are based off of number of chunks in ChunkGroup.
+	 *
+	 * @param {ChunkGroup} otherGroup the chunkGroup to compare this against
+	 * @returns {-1|0|1} sort position for comparison
+	 */
+	compareTo(otherGroup) {
+		if (this.chunks.length > otherGroup.chunks.length) return -1;
+		if (this.chunks.length < otherGroup.chunks.length) return 1;
+		const a = this.chunks[Symbol.iterator]();
+		const b = otherGroup.chunks[Symbol.iterator]();
+		// eslint-disable-next-line no-constant-condition
+		while (true) {
+			const aItem = a.next();
+			const bItem = b.next();
+			if (aItem.done) return 0;
+			const cmp = aItem.value.compareTo(bItem.value);
+			if (cmp !== 0) return cmp;
+		}
+	}
+
+	getChildrenByOrders() {
+		const lists = new Map();
+		for (const childGroup of this._children) {
+			// TODO webpack 5 remove this check for options
+			if (typeof childGroup.options === "object") {
+				for (const key of Object.keys(childGroup.options)) {
+					if (key.endsWith("Order")) {
+						const name = key.substr(0, key.length - "Order".length);
+						let list = lists.get(name);
+						if (list === undefined) {
+							lists.set(name, (list = []));
+						}
+						list.push({
+							order: childGroup.options[key],
+							group: childGroup
+						});
+					}
+				}
+			}
+		}
+		const result = Object.create(null);
+		for (const [name, list] of lists) {
+			list.sort((a, b) => {
+				const cmp = b.order - a.order;
+				if (cmp !== 0) return cmp;
+				// TODO webpack 5 remove this check of compareTo
+				if (a.group.compareTo) {
+					return a.group.compareTo(b.group);
+				}
+				return 0;
+			});
+			result[name] = list.map(i => i.group);
+		}
+		return result;
+	}
+
+	/**
+	 * Sets the top-down index of a module in this ChunkGroup
+	 * @param {Module} module module for which the index should be set
+	 * @param {number} index the index of the module
+	 * @returns {void}
+	 */
+	setModuleIndex(module, index) {
+		this._moduleIndices.set(module, index);
+	}
+
+	/**
+	 * Gets the top-down index of a module in this ChunkGroup
+	 * @param {Module} module the module
+	 * @returns {number} index
+	 */
+	getModuleIndex(module) {
+		return this._moduleIndices.get(module);
+	}
+
+	/**
+	 * Sets the bottom-up index of a module in this ChunkGroup
+	 * @param {Module} module module for which the index should be set
+	 * @param {number} index the index of the module
+	 * @returns {void}
+	 */
+	setModuleIndex2(module, index) {
+		this._moduleIndices2.set(module, index);
+	}
+
+	/**
+	 * Gets the bottom-up index of a module in this ChunkGroup
+	 * @param {Module} module the module
+	 * @returns {number} index
+	 */
+	getModuleIndex2(module) {
+		return this._moduleIndices2.get(module);
+	}
+
+	checkConstraints() {
+		const chunk = this;
+		for (const child of chunk._children) {
+			if (!child._parents.has(chunk)) {
+				throw new Error(
+					`checkConstraints: child missing parent ${chunk.debugId} -> ${child.debugId}`
+				);
+			}
+		}
+		for (const parentChunk of chunk._parents) {
+			if (!parentChunk._children.has(chunk)) {
+				throw new Error(
+					`checkConstraints: parent missing child ${parentChunk.debugId} <- ${chunk.debugId}`
+				);
+			}
+		}
+	}
+}
+
+module.exports = ChunkGroup;
diff --git a/node_modules/webpack/lib/ChunkRenderError.js b/node_modules/webpack/lib/ChunkRenderError.js
new file mode 100644
index 00000000..0d0eb2cb
--- /dev/null
+++ b/node_modules/webpack/lib/ChunkRenderError.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Chunk")} Chunk */
+
+class ChunkRenderError extends WebpackError {
+	/**
+	 * Create a new ChunkRenderError
+	 * @param {Chunk} chunk A chunk
+	 * @param {string} file Related file
+	 * @param {Error} error Original error
+	 */
+	constructor(chunk, file, error) {
+		super();
+
+		this.name = "ChunkRenderError";
+		this.error = error;
+		this.message = error.message;
+		this.details = error.stack;
+		this.file = file;
+		this.chunk = chunk;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ChunkRenderError;
diff --git a/node_modules/webpack/lib/ChunkTemplate.js b/node_modules/webpack/lib/ChunkTemplate.js
new file mode 100644
index 00000000..65861af4
--- /dev/null
+++ b/node_modules/webpack/lib/ChunkTemplate.js
@@ -0,0 +1,87 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { Tapable, SyncWaterfallHook, SyncHook } = require("tapable");
+
+/** @typedef {import("./ModuleTemplate")} ModuleTemplate */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Module")} Module} */
+/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate} */
+/** @typedef {import("./util/createHash").Hash} Hash} */
+
+/**
+ * @typedef {Object} RenderManifestOptions
+ * @property {Chunk} chunk the chunk used to render
+ * @property {string} hash
+ * @property {string} fullHash
+ * @property {TODO} outputOptions
+ * @property {{javascript: ModuleTemplate, webassembly: ModuleTemplate}} moduleTemplates
+ * @property {Map<TODO, TODO>} dependencyTemplates
+ */
+
+module.exports = class ChunkTemplate extends Tapable {
+	constructor(outputOptions) {
+		super();
+		this.outputOptions = outputOptions || {};
+		this.hooks = {
+			/** @type {SyncWaterfallHook<TODO[], RenderManifestOptions>} */
+			renderManifest: new SyncWaterfallHook(["result", "options"]),
+			modules: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			render: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			renderWithEntry: new SyncWaterfallHook(["source", "chunk"]),
+			hash: new SyncHook(["hash"]),
+			hashForChunk: new SyncHook(["hash", "chunk"])
+		};
+	}
+
+	/**
+	 *
+	 * @param {RenderManifestOptions} options render manifest options
+	 * @returns {TODO[]} returns render manifest
+	 */
+	getRenderManifest(options) {
+		const result = [];
+
+		this.hooks.renderManifest.call(result, options);
+
+		return result;
+	}
+
+	/**
+	 * Updates hash with information from this template
+	 * @param {Hash} hash the hash to update
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update("ChunkTemplate");
+		hash.update("2");
+		this.hooks.hash.call(hash);
+	}
+
+	/**
+	 * TODO webpack 5: remove moduleTemplate and dependencyTemplates
+	 * Updates hash with chunk-specific information from this template
+	 * @param {Hash} hash the hash to update
+	 * @param {Chunk} chunk the chunk
+	 * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance for render
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates dependency templates
+	 * @returns {void}
+	 */
+	updateHashForChunk(hash, chunk, moduleTemplate, dependencyTemplates) {
+		this.updateHash(hash);
+		this.hooks.hashForChunk.call(hash, chunk);
+	}
+};
diff --git a/node_modules/webpack/lib/CommentCompilationWarning.js b/node_modules/webpack/lib/CommentCompilationWarning.js
new file mode 100644
index 00000000..79f0a2af
--- /dev/null
+++ b/node_modules/webpack/lib/CommentCompilationWarning.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+
+class CommentCompilationWarning extends WebpackError {
+	/**
+	 *
+	 * @param {string} message warning message
+	 * @param {Module} module affected module
+	 * @param {DependencyLocation} loc affected lines of code
+	 */
+	constructor(message, module, loc) {
+		super(message);
+
+		this.name = "CommentCompilationWarning";
+
+		this.module = module;
+		this.loc = loc;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = CommentCompilationWarning;
diff --git a/node_modules/webpack/lib/CommonJsStuffPlugin.js b/node_modules/webpack/lib/CommonJsStuffPlugin.js
new file mode 100644
index 00000000..80fee878
--- /dev/null
+++ b/node_modules/webpack/lib/CommonJsStuffPlugin.js
@@ -0,0 +1,116 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const ParserHelpers = require("./ParserHelpers");
+
+class CommonJsStuffPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"CommonJsStuffPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const handler = (parser, parserOptions) => {
+					parser.hooks.expression
+						.for("require.main.require")
+						.tap(
+							"CommonJsStuffPlugin",
+							ParserHelpers.expressionIsUnsupported(
+								parser,
+								"require.main.require is not supported by webpack."
+							)
+						);
+					parser.hooks.expression
+						.for("module.parent.require")
+						.tap(
+							"CommonJsStuffPlugin",
+							ParserHelpers.expressionIsUnsupported(
+								parser,
+								"module.parent.require is not supported by webpack."
+							)
+						);
+					parser.hooks.expression
+						.for("require.main")
+						.tap(
+							"CommonJsStuffPlugin",
+							ParserHelpers.toConstantDependencyWithWebpackRequire(
+								parser,
+								"__webpack_require__.c[__webpack_require__.s]"
+							)
+						);
+					parser.hooks.expression
+						.for("module.loaded")
+						.tap("CommonJsStuffPlugin", expr => {
+							parser.state.module.buildMeta.moduleConcatenationBailout =
+								"module.loaded";
+							return ParserHelpers.toConstantDependency(
+								parser,
+								"module.l"
+							)(expr);
+						});
+					parser.hooks.expression
+						.for("module.id")
+						.tap("CommonJsStuffPlugin", expr => {
+							parser.state.module.buildMeta.moduleConcatenationBailout =
+								"module.id";
+							return ParserHelpers.toConstantDependency(
+								parser,
+								"module.i"
+							)(expr);
+						});
+					parser.hooks.expression
+						.for("module.exports")
+						.tap("CommonJsStuffPlugin", () => {
+							const module = parser.state.module;
+							const isHarmony =
+								module.buildMeta && module.buildMeta.exportsType;
+							if (!isHarmony) return true;
+						});
+					parser.hooks.evaluateIdentifier
+						.for("module.hot")
+						.tap(
+							"CommonJsStuffPlugin",
+							ParserHelpers.evaluateToIdentifier("module.hot", false)
+						);
+					parser.hooks.expression
+						.for("module")
+						.tap("CommonJsStuffPlugin", () => {
+							const module = parser.state.module;
+							const isHarmony =
+								module.buildMeta && module.buildMeta.exportsType;
+							let moduleJsPath = path.join(
+								__dirname,
+								"..",
+								"buildin",
+								isHarmony ? "harmony-module.js" : "module.js"
+							);
+							if (module.context) {
+								moduleJsPath = path.relative(
+									parser.state.module.context,
+									moduleJsPath
+								);
+								if (!/^[A-Z]:/i.test(moduleJsPath)) {
+									moduleJsPath = `./${moduleJsPath.replace(/\\/g, "/")}`;
+								}
+							}
+							return ParserHelpers.addParsedVariableToModule(
+								parser,
+								"module",
+								`require(${JSON.stringify(moduleJsPath)})(module)`
+							);
+						});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("CommonJsStuffPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("CommonJsStuffPlugin", handler);
+			}
+		);
+	}
+}
+module.exports = CommonJsStuffPlugin;
diff --git a/node_modules/webpack/lib/CompatibilityPlugin.js b/node_modules/webpack/lib/CompatibilityPlugin.js
new file mode 100644
index 00000000..1544d6c8
--- /dev/null
+++ b/node_modules/webpack/lib/CompatibilityPlugin.js
@@ -0,0 +1,70 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConstDependency = require("./dependencies/ConstDependency");
+
+const NullFactory = require("./NullFactory");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class CompatibilityPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler Webpack Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"CompatibilityPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("CompatibilityPlugin", (parser, parserOptions) => {
+						if (
+							parserOptions.browserify !== undefined &&
+							!parserOptions.browserify
+						)
+							return;
+
+						parser.hooks.call
+							.for("require")
+							.tap("CompatibilityPlugin", expr => {
+								// support for browserify style require delegator: "require(o, !0)"
+								if (expr.arguments.length !== 2) return;
+								const second = parser.evaluateExpression(expr.arguments[1]);
+								if (!second.isBoolean()) return;
+								if (second.asBool() !== true) return;
+								const dep = new ConstDependency("require", expr.callee.range);
+								dep.loc = expr.loc;
+								if (parser.state.current.dependencies.length > 1) {
+									const last =
+										parser.state.current.dependencies[
+											parser.state.current.dependencies.length - 1
+										];
+									if (
+										last.critical &&
+										last.options &&
+										last.options.request === "." &&
+										last.userRequest === "." &&
+										last.options.recursive
+									)
+										parser.state.current.dependencies.pop();
+								}
+								parser.state.current.addDependency(dep);
+								return true;
+							});
+					});
+			}
+		);
+	}
+}
+module.exports = CompatibilityPlugin;
diff --git a/node_modules/webpack/lib/Compilation.js b/node_modules/webpack/lib/Compilation.js
new file mode 100644
index 00000000..63291744
--- /dev/null
+++ b/node_modules/webpack/lib/Compilation.js
@@ -0,0 +1,2327 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+	*/
+"use strict";
+
+const asyncLib = require("neo-async");
+const util = require("util");
+const { CachedSource } = require("webpack-sources");
+const {
+	Tapable,
+	SyncHook,
+	SyncBailHook,
+	SyncWaterfallHook,
+	AsyncSeriesHook
+} = require("tapable");
+const EntryModuleNotFoundError = require("./EntryModuleNotFoundError");
+const ModuleNotFoundError = require("./ModuleNotFoundError");
+const ModuleDependencyWarning = require("./ModuleDependencyWarning");
+const ModuleDependencyError = require("./ModuleDependencyError");
+const ChunkGroup = require("./ChunkGroup");
+const Chunk = require("./Chunk");
+const Entrypoint = require("./Entrypoint");
+const MainTemplate = require("./MainTemplate");
+const ChunkTemplate = require("./ChunkTemplate");
+const HotUpdateChunkTemplate = require("./HotUpdateChunkTemplate");
+const ModuleTemplate = require("./ModuleTemplate");
+const RuntimeTemplate = require("./RuntimeTemplate");
+const ChunkRenderError = require("./ChunkRenderError");
+const Stats = require("./Stats");
+const Semaphore = require("./util/Semaphore");
+const createHash = require("./util/createHash");
+const SortableSet = require("./util/SortableSet");
+const GraphHelpers = require("./GraphHelpers");
+const ModuleDependency = require("./dependencies/ModuleDependency");
+const compareLocations = require("./compareLocations");
+const { Logger, LogType } = require("./logging/Logger");
+const ErrorHelpers = require("./ErrorHelpers");
+const buildChunkGraph = require("./buildChunkGraph");
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./DependenciesBlockVariable")} DependenciesBlockVariable */
+/** @typedef {import("./dependencies/SingleEntryDependency")} SingleEntryDependency */
+/** @typedef {import("./dependencies/MultiEntryDependency")} MultiEntryDependency */
+/** @typedef {import("./dependencies/DllEntryDependency")} DllEntryDependency */
+/** @typedef {import("./dependencies/DependencyReference")} DependencyReference */
+/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
+/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+// TODO use @callback
+/** @typedef {{[assetName: string]: Source}} CompilationAssets */
+/** @typedef {(err: Error|null, result?: Module) => void } ModuleCallback */
+/** @typedef {(err?: Error|null, result?: Module) => void } ModuleChainCallback */
+/** @typedef {(module: Module) => void} OnModuleCallback */
+/** @typedef {(err?: Error|null) => void} Callback */
+/** @typedef {(d: Dependency) => any} DepBlockVarDependenciesCallback */
+/** @typedef {new (...args: any[]) => Dependency} DepConstructor */
+/** @typedef {{apply: () => void}} Plugin */
+
+/**
+ * @typedef {Object} ModuleFactoryCreateDataContextInfo
+ * @property {string} issuer
+ * @property {string} compiler
+ */
+
+/**
+ * @typedef {Object} ModuleFactoryCreateData
+ * @property {ModuleFactoryCreateDataContextInfo} contextInfo
+ * @property {any=} resolveOptions
+ * @property {string} context
+ * @property {Dependency[]} dependencies
+ */
+
+/**
+ * @typedef {Object} ModuleFactory
+ * @property {(data: ModuleFactoryCreateData, callback: ModuleCallback) => any} create
+ */
+
+/**
+ * @typedef {Object} SortedDependency
+ * @property {ModuleFactory} factory
+ * @property {Dependency[]} dependencies
+ */
+
+/**
+ * @typedef {Object} DependenciesBlockLike
+ * @property {Dependency[]} dependencies
+ * @property {AsyncDependenciesBlock[]} blocks
+ * @property {DependenciesBlockVariable[]} variables
+ */
+
+/**
+ * @typedef {Object} LogEntry
+ * @property {string} type
+ * @property {any[]} args
+ * @property {number} time
+ * @property {string[]=} trace
+ */
+
+/**
+ * @typedef {Object} AssetInfo
+ * @property {boolean=} immutable true, if the asset can be long term cached forever (contains a hash)
+ * @property {number=} size size in bytes, only set after asset has been emitted
+ * @property {boolean=} development true, when asset is only used for development and doesn't count towards user-facing assets
+ * @property {boolean=} hotModuleReplacement true, when asset ships data for updating an existing application (HMR)
+ */
+
+/**
+ * @typedef {Object} Asset
+ * @property {string} name the filename of the asset
+ * @property {Source} source source of the asset
+ * @property {AssetInfo} info info about the asset
+ */
+
+/**
+ * @param {Chunk} a first chunk to sort by id
+ * @param {Chunk} b second chunk to sort by id
+ * @returns {-1|0|1} sort value
+ */
+const byId = (a, b) => {
+	if (typeof a.id !== typeof b.id) {
+		return typeof a.id < typeof b.id ? -1 : 1;
+	}
+	if (a.id < b.id) return -1;
+	if (a.id > b.id) return 1;
+	return 0;
+};
+
+/**
+ * @param {Module} a first module to sort by
+ * @param {Module} b second module to sort by
+ * @returns {-1|0|1} sort value
+ */
+const byIdOrIdentifier = (a, b) => {
+	if (typeof a.id !== typeof b.id) {
+		return typeof a.id < typeof b.id ? -1 : 1;
+	}
+	if (a.id < b.id) return -1;
+	if (a.id > b.id) return 1;
+	const identA = a.identifier();
+	const identB = b.identifier();
+	if (identA < identB) return -1;
+	if (identA > identB) return 1;
+	return 0;
+};
+
+/**
+ * @param {Module} a first module to sort by
+ * @param {Module} b second module to sort by
+ * @returns {-1|0|1} sort value
+ */
+const byIndexOrIdentifier = (a, b) => {
+	if (a.index < b.index) return -1;
+	if (a.index > b.index) return 1;
+	const identA = a.identifier();
+	const identB = b.identifier();
+	if (identA < identB) return -1;
+	if (identA > identB) return 1;
+	return 0;
+};
+
+/**
+ * @param {Compilation} a first compilation to sort by
+ * @param {Compilation} b second compilation to sort by
+ * @returns {-1|0|1} sort value
+ */
+const byNameOrHash = (a, b) => {
+	if (a.name < b.name) return -1;
+	if (a.name > b.name) return 1;
+	if (a.fullHash < b.fullHash) return -1;
+	if (a.fullHash > b.fullHash) return 1;
+	return 0;
+};
+
+/**
+ * @param {DependenciesBlockVariable[]} variables DepBlock Variables to iterate over
+ * @param {DepBlockVarDependenciesCallback} fn callback to apply on iterated elements
+ * @returns {void}
+ */
+const iterationBlockVariable = (variables, fn) => {
+	for (
+		let indexVariable = 0;
+		indexVariable < variables.length;
+		indexVariable++
+	) {
+		const varDep = variables[indexVariable].dependencies;
+		for (let indexVDep = 0; indexVDep < varDep.length; indexVDep++) {
+			fn(varDep[indexVDep]);
+		}
+	}
+};
+
+/**
+ * @template T
+ * @param {T[]} arr array of elements to iterate over
+ * @param {function(T): void} fn callback applied to each element
+ * @returns {void}
+ */
+const iterationOfArrayCallback = (arr, fn) => {
+	for (let index = 0; index < arr.length; index++) {
+		fn(arr[index]);
+	}
+};
+
+/**
+ * @template T
+ * @param {Set<T>} set set to add items to
+ * @param {Set<T>} otherSet set to add items from
+ * @returns {void}
+ */
+const addAllToSet = (set, otherSet) => {
+	for (const item of otherSet) {
+		set.add(item);
+	}
+};
+
+/**
+ * @param {Source} a a source
+ * @param {Source} b another source
+ * @returns {boolean} true, when both sources are equal
+ */
+const isSourceEqual = (a, b) => {
+	if (a === b) return true;
+	// TODO webpack 5: check .buffer() instead, it's called anyway during emit
+	/** @type {Buffer|string} */
+	let aSource = a.source();
+	/** @type {Buffer|string} */
+	let bSource = b.source();
+	if (aSource === bSource) return true;
+	if (typeof aSource === "string" && typeof bSource === "string") return false;
+	if (!Buffer.isBuffer(aSource)) aSource = Buffer.from(aSource, "utf-8");
+	if (!Buffer.isBuffer(bSource)) bSource = Buffer.from(bSource, "utf-8");
+	return aSource.equals(bSource);
+};
+
+class Compilation extends Tapable {
+	/**
+	 * Creates an instance of Compilation.
+	 * @param {Compiler} compiler the compiler which created the compilation
+	 */
+	constructor(compiler) {
+		super();
+		this.hooks = {
+			/** @type {SyncHook<Module>} */
+			buildModule: new SyncHook(["module"]),
+			/** @type {SyncHook<Module>} */
+			rebuildModule: new SyncHook(["module"]),
+			/** @type {SyncHook<Module, Error>} */
+			failedModule: new SyncHook(["module", "error"]),
+			/** @type {SyncHook<Module>} */
+			succeedModule: new SyncHook(["module"]),
+
+			/** @type {SyncHook<Dependency, string>} */
+			addEntry: new SyncHook(["entry", "name"]),
+			/** @type {SyncHook<Dependency, string, Error>} */
+			failedEntry: new SyncHook(["entry", "name", "error"]),
+			/** @type {SyncHook<Dependency, string, Module>} */
+			succeedEntry: new SyncHook(["entry", "name", "module"]),
+
+			/** @type {SyncWaterfallHook<DependencyReference, Dependency, Module>} */
+			dependencyReference: new SyncWaterfallHook([
+				"dependencyReference",
+				"dependency",
+				"module"
+			]),
+
+			/** @type {AsyncSeriesHook<Module[]>} */
+			finishModules: new AsyncSeriesHook(["modules"]),
+			/** @type {SyncHook<Module>} */
+			finishRebuildingModule: new SyncHook(["module"]),
+			/** @type {SyncHook} */
+			unseal: new SyncHook([]),
+			/** @type {SyncHook} */
+			seal: new SyncHook([]),
+
+			/** @type {SyncHook} */
+			beforeChunks: new SyncHook([]),
+			/** @type {SyncHook<Chunk[]>} */
+			afterChunks: new SyncHook(["chunks"]),
+
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeDependenciesBasic: new SyncBailHook(["modules"]),
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeDependencies: new SyncBailHook(["modules"]),
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeDependenciesAdvanced: new SyncBailHook(["modules"]),
+			/** @type {SyncBailHook<Module[]>} */
+			afterOptimizeDependencies: new SyncHook(["modules"]),
+
+			/** @type {SyncHook} */
+			optimize: new SyncHook([]),
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeModulesBasic: new SyncBailHook(["modules"]),
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeModules: new SyncBailHook(["modules"]),
+			/** @type {SyncBailHook<Module[]>} */
+			optimizeModulesAdvanced: new SyncBailHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			afterOptimizeModules: new SyncHook(["modules"]),
+
+			/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
+			optimizeChunksBasic: new SyncBailHook(["chunks", "chunkGroups"]),
+			/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
+			optimizeChunks: new SyncBailHook(["chunks", "chunkGroups"]),
+			/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
+			optimizeChunksAdvanced: new SyncBailHook(["chunks", "chunkGroups"]),
+			/** @type {SyncHook<Chunk[], ChunkGroup[]>} */
+			afterOptimizeChunks: new SyncHook(["chunks", "chunkGroups"]),
+
+			/** @type {AsyncSeriesHook<Chunk[], Module[]>} */
+			optimizeTree: new AsyncSeriesHook(["chunks", "modules"]),
+			/** @type {SyncHook<Chunk[], Module[]>} */
+			afterOptimizeTree: new SyncHook(["chunks", "modules"]),
+
+			/** @type {SyncBailHook<Chunk[], Module[]>} */
+			optimizeChunkModulesBasic: new SyncBailHook(["chunks", "modules"]),
+			/** @type {SyncBailHook<Chunk[], Module[]>} */
+			optimizeChunkModules: new SyncBailHook(["chunks", "modules"]),
+			/** @type {SyncBailHook<Chunk[], Module[]>} */
+			optimizeChunkModulesAdvanced: new SyncBailHook(["chunks", "modules"]),
+			/** @type {SyncHook<Chunk[], Module[]>} */
+			afterOptimizeChunkModules: new SyncHook(["chunks", "modules"]),
+			/** @type {SyncBailHook} */
+			shouldRecord: new SyncBailHook([]),
+
+			/** @type {SyncHook<Module[], any>} */
+			reviveModules: new SyncHook(["modules", "records"]),
+			/** @type {SyncHook<Module[]>} */
+			optimizeModuleOrder: new SyncHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			advancedOptimizeModuleOrder: new SyncHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			beforeModuleIds: new SyncHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			moduleIds: new SyncHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			optimizeModuleIds: new SyncHook(["modules"]),
+			/** @type {SyncHook<Module[]>} */
+			afterOptimizeModuleIds: new SyncHook(["modules"]),
+
+			/** @type {SyncHook<Chunk[], any>} */
+			reviveChunks: new SyncHook(["chunks", "records"]),
+			/** @type {SyncHook<Chunk[]>} */
+			optimizeChunkOrder: new SyncHook(["chunks"]),
+			/** @type {SyncHook<Chunk[]>} */
+			beforeChunkIds: new SyncHook(["chunks"]),
+			/** @type {SyncHook<Chunk[]>} */
+			optimizeChunkIds: new SyncHook(["chunks"]),
+			/** @type {SyncHook<Chunk[]>} */
+			afterOptimizeChunkIds: new SyncHook(["chunks"]),
+
+			/** @type {SyncHook<Module[], any>} */
+			recordModules: new SyncHook(["modules", "records"]),
+			/** @type {SyncHook<Chunk[], any>} */
+			recordChunks: new SyncHook(["chunks", "records"]),
+
+			/** @type {SyncHook} */
+			beforeHash: new SyncHook([]),
+			/** @type {SyncHook<Chunk>} */
+			contentHash: new SyncHook(["chunk"]),
+			/** @type {SyncHook} */
+			afterHash: new SyncHook([]),
+			/** @type {SyncHook<any>} */
+			recordHash: new SyncHook(["records"]),
+			/** @type {SyncHook<Compilation, any>} */
+			record: new SyncHook(["compilation", "records"]),
+
+			/** @type {SyncHook} */
+			beforeModuleAssets: new SyncHook([]),
+			/** @type {SyncBailHook} */
+			shouldGenerateChunkAssets: new SyncBailHook([]),
+			/** @type {SyncHook} */
+			beforeChunkAssets: new SyncHook([]),
+			/** @type {SyncHook<Chunk[]>} */
+			additionalChunkAssets: new SyncHook(["chunks"]),
+
+			/** @type {AsyncSeriesHook} */
+			additionalAssets: new AsyncSeriesHook([]),
+			/** @type {AsyncSeriesHook<Chunk[]>} */
+			optimizeChunkAssets: new AsyncSeriesHook(["chunks"]),
+			/** @type {SyncHook<Chunk[]>} */
+			afterOptimizeChunkAssets: new SyncHook(["chunks"]),
+			/** @type {AsyncSeriesHook<CompilationAssets>} */
+			optimizeAssets: new AsyncSeriesHook(["assets"]),
+			/** @type {SyncHook<CompilationAssets>} */
+			afterOptimizeAssets: new SyncHook(["assets"]),
+
+			/** @type {SyncBailHook} */
+			needAdditionalSeal: new SyncBailHook([]),
+			/** @type {AsyncSeriesHook} */
+			afterSeal: new AsyncSeriesHook([]),
+
+			/** @type {SyncHook<Chunk, Hash>} */
+			chunkHash: new SyncHook(["chunk", "chunkHash"]),
+			/** @type {SyncHook<Module, string>} */
+			moduleAsset: new SyncHook(["module", "filename"]),
+			/** @type {SyncHook<Chunk, string>} */
+			chunkAsset: new SyncHook(["chunk", "filename"]),
+
+			/** @type {SyncWaterfallHook<string, TODO>} */
+			assetPath: new SyncWaterfallHook(["filename", "data"]), // TODO MainTemplate
+
+			/** @type {SyncBailHook} */
+			needAdditionalPass: new SyncBailHook([]),
+
+			/** @type {SyncHook<Compiler, string, number>} */
+			childCompiler: new SyncHook([
+				"childCompiler",
+				"compilerName",
+				"compilerIndex"
+			]),
+
+			/** @type {SyncBailHook<string, LogEntry>} */
+			log: new SyncBailHook(["origin", "logEntry"]),
+
+			// TODO the following hooks are weirdly located here
+			// TODO move them for webpack 5
+			/** @type {SyncHook<object, Module>} */
+			normalModuleLoader: new SyncHook(["loaderContext", "module"]),
+
+			/** @type {SyncBailHook<Chunk[]>} */
+			optimizeExtractedChunksBasic: new SyncBailHook(["chunks"]),
+			/** @type {SyncBailHook<Chunk[]>} */
+			optimizeExtractedChunks: new SyncBailHook(["chunks"]),
+			/** @type {SyncBailHook<Chunk[]>} */
+			optimizeExtractedChunksAdvanced: new SyncBailHook(["chunks"]),
+			/** @type {SyncHook<Chunk[]>} */
+			afterOptimizeExtractedChunks: new SyncHook(["chunks"])
+		};
+		this._pluginCompat.tap("Compilation", options => {
+			switch (options.name) {
+				case "optimize-tree":
+				case "additional-assets":
+				case "optimize-chunk-assets":
+				case "optimize-assets":
+				case "after-seal":
+					options.async = true;
+					break;
+			}
+		});
+		/** @type {string=} */
+		this.name = undefined;
+		/** @type {Compiler} */
+		this.compiler = compiler;
+		this.resolverFactory = compiler.resolverFactory;
+		this.inputFileSystem = compiler.inputFileSystem;
+		this.requestShortener = compiler.requestShortener;
+
+		const options = compiler.options;
+		this.options = options;
+		this.outputOptions = options && options.output;
+		/** @type {boolean=} */
+		this.bail = options && options.bail;
+		this.profile = options && options.profile;
+		this.performance = options && options.performance;
+
+		this.mainTemplate = new MainTemplate(this.outputOptions);
+		this.chunkTemplate = new ChunkTemplate(this.outputOptions);
+		this.hotUpdateChunkTemplate = new HotUpdateChunkTemplate(
+			this.outputOptions
+		);
+		this.runtimeTemplate = new RuntimeTemplate(
+			this.outputOptions,
+			this.requestShortener
+		);
+		this.moduleTemplates = {
+			javascript: new ModuleTemplate(this.runtimeTemplate, "javascript"),
+			webassembly: new ModuleTemplate(this.runtimeTemplate, "webassembly")
+		};
+
+		this.semaphore = new Semaphore(options.parallelism || 100);
+
+		this.entries = [];
+		/** @private @type {{name: string, request: string, module: Module}[]} */
+		this._preparedEntrypoints = [];
+		/** @type {Map<string, Entrypoint>} */
+		this.entrypoints = new Map();
+		/** @type {Chunk[]} */
+		this.chunks = [];
+		/** @type {ChunkGroup[]} */
+		this.chunkGroups = [];
+		/** @type {Map<string, ChunkGroup>} */
+		this.namedChunkGroups = new Map();
+		/** @type {Map<string, Chunk>} */
+		this.namedChunks = new Map();
+		/** @type {Module[]} */
+		this.modules = [];
+		/** @private @type {Map<string, Module>} */
+		this._modules = new Map();
+		this.cache = null;
+		this.records = null;
+		/** @type {string[]} */
+		this.additionalChunkAssets = [];
+		/** @type {CompilationAssets} */
+		this.assets = {};
+		/** @type {Map<string, AssetInfo>} */
+		this.assetsInfo = new Map();
+		/** @type {WebpackError[]} */
+		this.errors = [];
+		/** @type {WebpackError[]} */
+		this.warnings = [];
+		/** @type {Compilation[]} */
+		this.children = [];
+		/** @type {Map<string, LogEntry[]>} */
+		this.logging = new Map();
+		/** @type {Map<DepConstructor, ModuleFactory>} */
+		this.dependencyFactories = new Map();
+		/** @type {Map<DepConstructor, DependencyTemplate>} */
+		this.dependencyTemplates = new Map();
+		// TODO refactor this in webpack 5 to a custom DependencyTemplates class with a hash property
+		// @ts-ignore
+		this.dependencyTemplates.set("hash", "");
+		this.childrenCounters = {};
+		/** @type {Set<number|string>} */
+		this.usedChunkIds = null;
+		/** @type {Set<number>} */
+		this.usedModuleIds = null;
+		/** @type {Map<string, number>=} */
+		this.fileTimestamps = undefined;
+		/** @type {Map<string, number>=} */
+		this.contextTimestamps = undefined;
+		/** @type {Set<string>=} */
+		this.compilationDependencies = undefined;
+		/** @private @type {Map<Module, Callback[]>} */
+		this._buildingModules = new Map();
+		/** @private @type {Map<Module, Callback[]>} */
+		this._rebuildingModules = new Map();
+		/** @type {Set<string>} */
+		this.emittedAssets = new Set();
+	}
+
+	getStats() {
+		return new Stats(this);
+	}
+
+	/**
+	 * @param {string | (function(): string)} name name of the logger, or function called once to get the logger name
+	 * @returns {Logger} a logger with that name
+	 */
+	getLogger(name) {
+		if (!name) {
+			throw new TypeError("Compilation.getLogger(name) called without a name");
+		}
+		/** @type {LogEntry[] | undefined} */
+		let logEntries;
+		return new Logger((type, args) => {
+			if (typeof name === "function") {
+				name = name();
+				if (!name) {
+					throw new TypeError(
+						"Compilation.getLogger(name) called with a function not returning a name"
+					);
+				}
+			}
+			let trace;
+			switch (type) {
+				case LogType.warn:
+				case LogType.error:
+				case LogType.trace:
+					trace = ErrorHelpers.cutOffLoaderExecution(new Error("Trace").stack)
+						.split("\n")
+						.slice(3);
+					break;
+			}
+			/** @type {LogEntry} */
+			const logEntry = {
+				time: Date.now(),
+				type,
+				args,
+				trace
+			};
+			if (this.hooks.log.call(name, logEntry) === undefined) {
+				if (logEntry.type === LogType.profileEnd) {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					if (typeof console.profileEnd === "function") {
+						// eslint-disable-next-line node/no-unsupported-features/node-builtins
+						console.profileEnd(`[${name}] ${logEntry.args[0]}`);
+					}
+				}
+				if (logEntries === undefined) {
+					logEntries = this.logging.get(name);
+					if (logEntries === undefined) {
+						logEntries = [];
+						this.logging.set(name, logEntries);
+					}
+				}
+				logEntries.push(logEntry);
+				if (logEntry.type === LogType.profile) {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					if (typeof console.profile === "function") {
+						// eslint-disable-next-line node/no-unsupported-features/node-builtins
+						console.profile(`[${name}] ${logEntry.args[0]}`);
+					}
+				}
+			}
+		});
+	}
+
+	/**
+	 * @typedef {Object} AddModuleResult
+	 * @property {Module} module the added or existing module
+	 * @property {boolean} issuer was this the first request for this module
+	 * @property {boolean} build should the module be build
+	 * @property {boolean} dependencies should dependencies be walked
+	 */
+
+	/**
+	 * @param {Module} module module to be added that was created
+	 * @param {any=} cacheGroup cacheGroup it is apart of
+	 * @returns {AddModuleResult} returns meta about whether or not the module had built
+	 * had an issuer, or any dependnecies
+	 */
+	addModule(module, cacheGroup) {
+		const identifier = module.identifier();
+		const alreadyAddedModule = this._modules.get(identifier);
+		if (alreadyAddedModule) {
+			return {
+				module: alreadyAddedModule,
+				issuer: false,
+				build: false,
+				dependencies: false
+			};
+		}
+		const cacheName = (cacheGroup || "m") + identifier;
+		if (this.cache && this.cache[cacheName]) {
+			const cacheModule = this.cache[cacheName];
+
+			if (typeof cacheModule.updateCacheModule === "function") {
+				cacheModule.updateCacheModule(module);
+			}
+
+			let rebuild = true;
+			if (this.fileTimestamps && this.contextTimestamps) {
+				rebuild = cacheModule.needRebuild(
+					this.fileTimestamps,
+					this.contextTimestamps
+				);
+			}
+
+			if (!rebuild) {
+				cacheModule.disconnect();
+				this._modules.set(identifier, cacheModule);
+				this.modules.push(cacheModule);
+				for (const err of cacheModule.errors) {
+					this.errors.push(err);
+				}
+				for (const err of cacheModule.warnings) {
+					this.warnings.push(err);
+				}
+				return {
+					module: cacheModule,
+					issuer: true,
+					build: false,
+					dependencies: true
+				};
+			}
+			cacheModule.unbuild();
+			module = cacheModule;
+		}
+		this._modules.set(identifier, module);
+		if (this.cache) {
+			this.cache[cacheName] = module;
+		}
+		this.modules.push(module);
+		return {
+			module: module,
+			issuer: true,
+			build: true,
+			dependencies: true
+		};
+	}
+
+	/**
+	 * Fetches a module from a compilation by its identifier
+	 * @param {Module} module the module provided
+	 * @returns {Module} the module requested
+	 */
+	getModule(module) {
+		const identifier = module.identifier();
+		return this._modules.get(identifier);
+	}
+
+	/**
+	 * Attempts to search for a module by its identifier
+	 * @param {string} identifier identifier (usually path) for module
+	 * @returns {Module|undefined} attempt to search for module and return it, else undefined
+	 */
+	findModule(identifier) {
+		return this._modules.get(identifier);
+	}
+
+	/**
+	 * @param {Module} module module with its callback list
+	 * @param {Callback} callback the callback function
+	 * @returns {void}
+	 */
+	waitForBuildingFinished(module, callback) {
+		let callbackList = this._buildingModules.get(module);
+		if (callbackList) {
+			callbackList.push(() => callback());
+		} else {
+			process.nextTick(callback);
+		}
+	}
+
+	/**
+	 * Builds the module object
+	 *
+	 * @param {Module} module module to be built
+	 * @param {boolean} optional optional flag
+	 * @param {Module=} origin origin module this module build was requested from
+	 * @param {Dependency[]=} dependencies optional dependencies from the module to be built
+	 * @param {TODO} thisCallback the callback
+	 * @returns {TODO} returns the callback function with results
+	 */
+	buildModule(module, optional, origin, dependencies, thisCallback) {
+		let callbackList = this._buildingModules.get(module);
+		if (callbackList) {
+			callbackList.push(thisCallback);
+			return;
+		}
+		this._buildingModules.set(module, (callbackList = [thisCallback]));
+
+		const callback = err => {
+			this._buildingModules.delete(module);
+			for (const cb of callbackList) {
+				cb(err);
+			}
+		};
+
+		this.hooks.buildModule.call(module);
+		module.build(
+			this.options,
+			this,
+			this.resolverFactory.get("normal", module.resolveOptions),
+			this.inputFileSystem,
+			error => {
+				const errors = module.errors;
+				for (let indexError = 0; indexError < errors.length; indexError++) {
+					const err = errors[indexError];
+					err.origin = origin;
+					err.dependencies = dependencies;
+					if (optional) {
+						this.warnings.push(err);
+					} else {
+						this.errors.push(err);
+					}
+				}
+
+				const warnings = module.warnings;
+				for (
+					let indexWarning = 0;
+					indexWarning < warnings.length;
+					indexWarning++
+				) {
+					const war = warnings[indexWarning];
+					war.origin = origin;
+					war.dependencies = dependencies;
+					this.warnings.push(war);
+				}
+				const originalMap = module.dependencies.reduce((map, v, i) => {
+					map.set(v, i);
+					return map;
+				}, new Map());
+				module.dependencies.sort((a, b) => {
+					const cmp = compareLocations(a.loc, b.loc);
+					if (cmp) return cmp;
+					return originalMap.get(a) - originalMap.get(b);
+				});
+				if (error) {
+					this.hooks.failedModule.call(module, error);
+					return callback(error);
+				}
+				this.hooks.succeedModule.call(module);
+				return callback();
+			}
+		);
+	}
+
+	/**
+	 * @param {Module} module to be processed for deps
+	 * @param {ModuleCallback} callback callback to be triggered
+	 * @returns {void}
+	 */
+	processModuleDependencies(module, callback) {
+		const dependencies = new Map();
+
+		const addDependency = dep => {
+			const resourceIdent = dep.getResourceIdentifier();
+			if (resourceIdent) {
+				const factory = this.dependencyFactories.get(dep.constructor);
+				if (factory === undefined) {
+					throw new Error(
+						`No module factory available for dependency type: ${dep.constructor.name}`
+					);
+				}
+				let innerMap = dependencies.get(factory);
+				if (innerMap === undefined) {
+					dependencies.set(factory, (innerMap = new Map()));
+				}
+				let list = innerMap.get(resourceIdent);
+				if (list === undefined) innerMap.set(resourceIdent, (list = []));
+				list.push(dep);
+			}
+		};
+
+		const addDependenciesBlock = block => {
+			if (block.dependencies) {
+				iterationOfArrayCallback(block.dependencies, addDependency);
+			}
+			if (block.blocks) {
+				iterationOfArrayCallback(block.blocks, addDependenciesBlock);
+			}
+			if (block.variables) {
+				iterationBlockVariable(block.variables, addDependency);
+			}
+		};
+
+		try {
+			addDependenciesBlock(module);
+		} catch (e) {
+			callback(e);
+		}
+
+		const sortedDependencies = [];
+
+		for (const pair1 of dependencies) {
+			for (const pair2 of pair1[1]) {
+				sortedDependencies.push({
+					factory: pair1[0],
+					dependencies: pair2[1]
+				});
+			}
+		}
+
+		this.addModuleDependencies(
+			module,
+			sortedDependencies,
+			this.bail,
+			null,
+			true,
+			callback
+		);
+	}
+
+	/**
+	 * @param {Module} module module to add deps to
+	 * @param {SortedDependency[]} dependencies set of sorted dependencies to iterate through
+	 * @param {(boolean|null)=} bail whether to bail or not
+	 * @param {TODO} cacheGroup optional cacheGroup
+	 * @param {boolean} recursive whether it is recursive traversal
+	 * @param {function} callback callback for when dependencies are finished being added
+	 * @returns {void}
+	 */
+	addModuleDependencies(
+		module,
+		dependencies,
+		bail,
+		cacheGroup,
+		recursive,
+		callback
+	) {
+		const start = this.profile && Date.now();
+		const currentProfile = this.profile && {};
+
+		asyncLib.forEach(
+			dependencies,
+			(item, callback) => {
+				const dependencies = item.dependencies;
+
+				const errorAndCallback = err => {
+					err.origin = module;
+					err.dependencies = dependencies;
+					this.errors.push(err);
+					if (bail) {
+						callback(err);
+					} else {
+						callback();
+					}
+				};
+				const warningAndCallback = err => {
+					err.origin = module;
+					this.warnings.push(err);
+					callback();
+				};
+
+				const semaphore = this.semaphore;
+				semaphore.acquire(() => {
+					const factory = item.factory;
+					factory.create(
+						{
+							contextInfo: {
+								issuer: module.nameForCondition && module.nameForCondition(),
+								compiler: this.compiler.name
+							},
+							resolveOptions: module.resolveOptions,
+							context: module.context,
+							dependencies: dependencies
+						},
+						(err, dependentModule) => {
+							let afterFactory;
+
+							const isOptional = () => {
+								return dependencies.every(d => d.optional);
+							};
+
+							const errorOrWarningAndCallback = err => {
+								if (isOptional()) {
+									return warningAndCallback(err);
+								} else {
+									return errorAndCallback(err);
+								}
+							};
+
+							if (err) {
+								semaphore.release();
+								return errorOrWarningAndCallback(
+									new ModuleNotFoundError(module, err)
+								);
+							}
+							if (!dependentModule) {
+								semaphore.release();
+								return process.nextTick(callback);
+							}
+							if (currentProfile) {
+								afterFactory = Date.now();
+								currentProfile.factory = afterFactory - start;
+							}
+
+							const iterationDependencies = depend => {
+								for (let index = 0; index < depend.length; index++) {
+									const dep = depend[index];
+									dep.module = dependentModule;
+									dependentModule.addReason(module, dep);
+								}
+							};
+
+							const addModuleResult = this.addModule(
+								dependentModule,
+								cacheGroup
+							);
+							dependentModule = addModuleResult.module;
+							iterationDependencies(dependencies);
+
+							const afterBuild = () => {
+								if (recursive && addModuleResult.dependencies) {
+									this.processModuleDependencies(dependentModule, callback);
+								} else {
+									return callback();
+								}
+							};
+
+							if (addModuleResult.issuer) {
+								if (currentProfile) {
+									dependentModule.profile = currentProfile;
+								}
+
+								dependentModule.issuer = module;
+							} else {
+								if (this.profile) {
+									if (module.profile) {
+										const time = Date.now() - start;
+										if (
+											!module.profile.dependencies ||
+											time > module.profile.dependencies
+										) {
+											module.profile.dependencies = time;
+										}
+									}
+								}
+							}
+
+							if (addModuleResult.build) {
+								this.buildModule(
+									dependentModule,
+									isOptional(),
+									module,
+									dependencies,
+									err => {
+										if (err) {
+											semaphore.release();
+											return errorOrWarningAndCallback(err);
+										}
+
+										if (currentProfile) {
+											const afterBuilding = Date.now();
+											currentProfile.building = afterBuilding - afterFactory;
+										}
+
+										semaphore.release();
+										afterBuild();
+									}
+								);
+							} else {
+								semaphore.release();
+								this.waitForBuildingFinished(dependentModule, afterBuild);
+							}
+						}
+					);
+				});
+			},
+			err => {
+				// In V8, the Error objects keep a reference to the functions on the stack. These warnings &
+				// errors are created inside closures that keep a reference to the Compilation, so errors are
+				// leaking the Compilation object.
+
+				if (err) {
+					// eslint-disable-next-line no-self-assign
+					err.stack = err.stack;
+					return callback(err);
+				}
+
+				return process.nextTick(callback);
+			}
+		);
+	}
+
+	/**
+	 *
+	 * @param {string} context context string path
+	 * @param {Dependency} dependency dependency used to create Module chain
+	 * @param {OnModuleCallback} onModule function invoked on modules creation
+	 * @param {ModuleChainCallback} callback callback for when module chain is complete
+	 * @returns {void} will throw if dependency instance is not a valid Dependency
+	 */
+	_addModuleChain(context, dependency, onModule, callback) {
+		const start = this.profile && Date.now();
+		const currentProfile = this.profile && {};
+
+		const errorAndCallback = this.bail
+			? err => {
+					callback(err);
+			  }
+			: err => {
+					err.dependencies = [dependency];
+					this.errors.push(err);
+					callback();
+			  };
+
+		if (
+			typeof dependency !== "object" ||
+			dependency === null ||
+			!dependency.constructor
+		) {
+			throw new Error("Parameter 'dependency' must be a Dependency");
+		}
+		const Dep = /** @type {DepConstructor} */ (dependency.constructor);
+		const moduleFactory = this.dependencyFactories.get(Dep);
+		if (!moduleFactory) {
+			throw new Error(
+				`No dependency factory available for this dependency type: ${dependency.constructor.name}`
+			);
+		}
+
+		this.semaphore.acquire(() => {
+			moduleFactory.create(
+				{
+					contextInfo: {
+						issuer: "",
+						compiler: this.compiler.name
+					},
+					context: context,
+					dependencies: [dependency]
+				},
+				(err, module) => {
+					if (err) {
+						this.semaphore.release();
+						return errorAndCallback(new EntryModuleNotFoundError(err));
+					}
+
+					let afterFactory;
+
+					if (currentProfile) {
+						afterFactory = Date.now();
+						currentProfile.factory = afterFactory - start;
+					}
+
+					const addModuleResult = this.addModule(module);
+					module = addModuleResult.module;
+
+					onModule(module);
+
+					dependency.module = module;
+					module.addReason(null, dependency);
+
+					const afterBuild = () => {
+						if (addModuleResult.dependencies) {
+							this.processModuleDependencies(module, err => {
+								if (err) return callback(err);
+								callback(null, module);
+							});
+						} else {
+							return callback(null, module);
+						}
+					};
+
+					if (addModuleResult.issuer) {
+						if (currentProfile) {
+							module.profile = currentProfile;
+						}
+					}
+
+					if (addModuleResult.build) {
+						this.buildModule(module, false, null, null, err => {
+							if (err) {
+								this.semaphore.release();
+								return errorAndCallback(err);
+							}
+
+							if (currentProfile) {
+								const afterBuilding = Date.now();
+								currentProfile.building = afterBuilding - afterFactory;
+							}
+
+							this.semaphore.release();
+							afterBuild();
+						});
+					} else {
+						this.semaphore.release();
+						this.waitForBuildingFinished(module, afterBuild);
+					}
+				}
+			);
+		});
+	}
+
+	/**
+	 *
+	 * @param {string} context context path for entry
+	 * @param {Dependency} entry entry dependency being created
+	 * @param {string} name name of entry
+	 * @param {ModuleCallback} callback callback function
+	 * @returns {void} returns
+	 */
+	addEntry(context, entry, name, callback) {
+		this.hooks.addEntry.call(entry, name);
+
+		const slot = {
+			name: name,
+			// TODO webpack 5 remove `request`
+			request: null,
+			module: null
+		};
+
+		if (entry instanceof ModuleDependency) {
+			slot.request = entry.request;
+		}
+
+		// TODO webpack 5: merge modules instead when multiple entry modules are supported
+		const idx = this._preparedEntrypoints.findIndex(slot => slot.name === name);
+		if (idx >= 0) {
+			// Overwrite existing entrypoint
+			this._preparedEntrypoints[idx] = slot;
+		} else {
+			this._preparedEntrypoints.push(slot);
+		}
+		this._addModuleChain(
+			context,
+			entry,
+			module => {
+				this.entries.push(module);
+			},
+			(err, module) => {
+				if (err) {
+					this.hooks.failedEntry.call(entry, name, err);
+					return callback(err);
+				}
+
+				if (module) {
+					slot.module = module;
+				} else {
+					const idx = this._preparedEntrypoints.indexOf(slot);
+					if (idx >= 0) {
+						this._preparedEntrypoints.splice(idx, 1);
+					}
+				}
+				this.hooks.succeedEntry.call(entry, name, module);
+				return callback(null, module);
+			}
+		);
+	}
+
+	/**
+	 * @param {string} context context path string
+	 * @param {Dependency} dependency dep used to create module
+	 * @param {ModuleCallback} callback module callback sending module up a level
+	 * @returns {void}
+	 */
+	prefetch(context, dependency, callback) {
+		this._addModuleChain(
+			context,
+			dependency,
+			module => {
+				module.prefetched = true;
+			},
+			callback
+		);
+	}
+
+	/**
+	 * @param {Module} module module to be rebuilt
+	 * @param {Callback} thisCallback callback when module finishes rebuilding
+	 * @returns {void}
+	 */
+	rebuildModule(module, thisCallback) {
+		let callbackList = this._rebuildingModules.get(module);
+		if (callbackList) {
+			callbackList.push(thisCallback);
+			return;
+		}
+		this._rebuildingModules.set(module, (callbackList = [thisCallback]));
+
+		const callback = err => {
+			this._rebuildingModules.delete(module);
+			for (const cb of callbackList) {
+				cb(err);
+			}
+		};
+
+		this.hooks.rebuildModule.call(module);
+		const oldDependencies = module.dependencies.slice();
+		const oldVariables = module.variables.slice();
+		const oldBlocks = module.blocks.slice();
+		module.unbuild();
+		this.buildModule(module, false, module, null, err => {
+			if (err) {
+				this.hooks.finishRebuildingModule.call(module);
+				return callback(err);
+			}
+
+			this.processModuleDependencies(module, err => {
+				if (err) return callback(err);
+				this.removeReasonsOfDependencyBlock(module, {
+					dependencies: oldDependencies,
+					variables: oldVariables,
+					blocks: oldBlocks
+				});
+				this.hooks.finishRebuildingModule.call(module);
+				callback();
+			});
+		});
+	}
+
+	finish(callback) {
+		const modules = this.modules;
+		this.hooks.finishModules.callAsync(modules, err => {
+			if (err) return callback(err);
+
+			for (let index = 0; index < modules.length; index++) {
+				const module = modules[index];
+				this.reportDependencyErrorsAndWarnings(module, [module]);
+			}
+
+			callback();
+		});
+	}
+
+	unseal() {
+		this.hooks.unseal.call();
+		this.chunks.length = 0;
+		this.chunkGroups.length = 0;
+		this.namedChunks.clear();
+		this.namedChunkGroups.clear();
+		this.additionalChunkAssets.length = 0;
+		this.assets = {};
+		this.assetsInfo.clear();
+		for (const module of this.modules) {
+			module.unseal();
+		}
+	}
+
+	/**
+	 * @param {Callback} callback signals when the seal method is finishes
+	 * @returns {void}
+	 */
+	seal(callback) {
+		this.hooks.seal.call();
+
+		while (
+			this.hooks.optimizeDependenciesBasic.call(this.modules) ||
+			this.hooks.optimizeDependencies.call(this.modules) ||
+			this.hooks.optimizeDependenciesAdvanced.call(this.modules)
+		) {
+			/* empty */
+		}
+		this.hooks.afterOptimizeDependencies.call(this.modules);
+
+		this.hooks.beforeChunks.call();
+		for (const preparedEntrypoint of this._preparedEntrypoints) {
+			const module = preparedEntrypoint.module;
+			const name = preparedEntrypoint.name;
+			const chunk = this.addChunk(name);
+			const entrypoint = new Entrypoint(name);
+			entrypoint.setRuntimeChunk(chunk);
+			entrypoint.addOrigin(null, name, preparedEntrypoint.request);
+			this.namedChunkGroups.set(name, entrypoint);
+			this.entrypoints.set(name, entrypoint);
+			this.chunkGroups.push(entrypoint);
+
+			GraphHelpers.connectChunkGroupAndChunk(entrypoint, chunk);
+			GraphHelpers.connectChunkAndModule(chunk, module);
+
+			chunk.entryModule = module;
+			chunk.name = name;
+
+			this.assignDepth(module);
+		}
+		buildChunkGraph(
+			this,
+			/** @type {Entrypoint[]} */ (this.chunkGroups.slice())
+		);
+		this.sortModules(this.modules);
+		this.hooks.afterChunks.call(this.chunks);
+
+		this.hooks.optimize.call();
+
+		while (
+			this.hooks.optimizeModulesBasic.call(this.modules) ||
+			this.hooks.optimizeModules.call(this.modules) ||
+			this.hooks.optimizeModulesAdvanced.call(this.modules)
+		) {
+			/* empty */
+		}
+		this.hooks.afterOptimizeModules.call(this.modules);
+
+		while (
+			this.hooks.optimizeChunksBasic.call(this.chunks, this.chunkGroups) ||
+			this.hooks.optimizeChunks.call(this.chunks, this.chunkGroups) ||
+			this.hooks.optimizeChunksAdvanced.call(this.chunks, this.chunkGroups)
+		) {
+			/* empty */
+		}
+		this.hooks.afterOptimizeChunks.call(this.chunks, this.chunkGroups);
+
+		this.hooks.optimizeTree.callAsync(this.chunks, this.modules, err => {
+			if (err) {
+				return callback(err);
+			}
+
+			this.hooks.afterOptimizeTree.call(this.chunks, this.modules);
+
+			while (
+				this.hooks.optimizeChunkModulesBasic.call(this.chunks, this.modules) ||
+				this.hooks.optimizeChunkModules.call(this.chunks, this.modules) ||
+				this.hooks.optimizeChunkModulesAdvanced.call(this.chunks, this.modules)
+			) {
+				/* empty */
+			}
+			this.hooks.afterOptimizeChunkModules.call(this.chunks, this.modules);
+
+			const shouldRecord = this.hooks.shouldRecord.call() !== false;
+
+			this.hooks.reviveModules.call(this.modules, this.records);
+			this.hooks.optimizeModuleOrder.call(this.modules);
+			this.hooks.advancedOptimizeModuleOrder.call(this.modules);
+			this.hooks.beforeModuleIds.call(this.modules);
+			this.hooks.moduleIds.call(this.modules);
+			this.applyModuleIds();
+			this.hooks.optimizeModuleIds.call(this.modules);
+			this.hooks.afterOptimizeModuleIds.call(this.modules);
+
+			this.sortItemsWithModuleIds();
+
+			this.hooks.reviveChunks.call(this.chunks, this.records);
+			this.hooks.optimizeChunkOrder.call(this.chunks);
+			this.hooks.beforeChunkIds.call(this.chunks);
+			this.applyChunkIds();
+			this.hooks.optimizeChunkIds.call(this.chunks);
+			this.hooks.afterOptimizeChunkIds.call(this.chunks);
+
+			this.sortItemsWithChunkIds();
+
+			if (shouldRecord) {
+				this.hooks.recordModules.call(this.modules, this.records);
+				this.hooks.recordChunks.call(this.chunks, this.records);
+			}
+
+			this.hooks.beforeHash.call();
+			this.createHash();
+			this.hooks.afterHash.call();
+
+			if (shouldRecord) {
+				this.hooks.recordHash.call(this.records);
+			}
+
+			this.hooks.beforeModuleAssets.call();
+			this.createModuleAssets();
+			if (this.hooks.shouldGenerateChunkAssets.call() !== false) {
+				this.hooks.beforeChunkAssets.call();
+				this.createChunkAssets();
+			}
+			this.hooks.additionalChunkAssets.call(this.chunks);
+			this.summarizeDependencies();
+			if (shouldRecord) {
+				this.hooks.record.call(this, this.records);
+			}
+
+			this.hooks.additionalAssets.callAsync(err => {
+				if (err) {
+					return callback(err);
+				}
+				this.hooks.optimizeChunkAssets.callAsync(this.chunks, err => {
+					if (err) {
+						return callback(err);
+					}
+					this.hooks.afterOptimizeChunkAssets.call(this.chunks);
+					this.hooks.optimizeAssets.callAsync(this.assets, err => {
+						if (err) {
+							return callback(err);
+						}
+						this.hooks.afterOptimizeAssets.call(this.assets);
+						if (this.hooks.needAdditionalSeal.call()) {
+							this.unseal();
+							return this.seal(callback);
+						}
+						return this.hooks.afterSeal.callAsync(callback);
+					});
+				});
+			});
+		});
+	}
+
+	/**
+	 * @param {Module[]} modules the modules array on compilation to perform the sort for
+	 * @returns {void}
+	 */
+	sortModules(modules) {
+		// TODO webpack 5: this should only be enabled when `moduleIds: "natural"`
+		// TODO move it into a plugin (NaturalModuleIdsPlugin) and use this in WebpackOptionsApply
+		// TODO remove this method
+		modules.sort(byIndexOrIdentifier);
+	}
+
+	/**
+	 * @param {Module} module moulde to report from
+	 * @param {DependenciesBlock[]} blocks blocks to report from
+	 * @returns {void}
+	 */
+	reportDependencyErrorsAndWarnings(module, blocks) {
+		for (let indexBlock = 0; indexBlock < blocks.length; indexBlock++) {
+			const block = blocks[indexBlock];
+			const dependencies = block.dependencies;
+
+			for (let indexDep = 0; indexDep < dependencies.length; indexDep++) {
+				const d = dependencies[indexDep];
+
+				const warnings = d.getWarnings();
+				if (warnings) {
+					for (let indexWar = 0; indexWar < warnings.length; indexWar++) {
+						const w = warnings[indexWar];
+
+						const warning = new ModuleDependencyWarning(module, w, d.loc);
+						this.warnings.push(warning);
+					}
+				}
+				const errors = d.getErrors();
+				if (errors) {
+					for (let indexErr = 0; indexErr < errors.length; indexErr++) {
+						const e = errors[indexErr];
+
+						const error = new ModuleDependencyError(module, e, d.loc);
+						this.errors.push(error);
+					}
+				}
+			}
+
+			this.reportDependencyErrorsAndWarnings(module, block.blocks);
+		}
+	}
+
+	/**
+	 * @param {TODO} groupOptions options for the chunk group
+	 * @param {Module} module the module the references the chunk group
+	 * @param {DependencyLocation} loc the location from with the chunk group is referenced (inside of module)
+	 * @param {string} request the request from which the the chunk group is referenced
+	 * @returns {ChunkGroup} the new or existing chunk group
+	 */
+	addChunkInGroup(groupOptions, module, loc, request) {
+		if (typeof groupOptions === "string") {
+			groupOptions = { name: groupOptions };
+		}
+		const name = groupOptions.name;
+		if (name) {
+			const chunkGroup = this.namedChunkGroups.get(name);
+			if (chunkGroup !== undefined) {
+				chunkGroup.addOptions(groupOptions);
+				if (module) {
+					chunkGroup.addOrigin(module, loc, request);
+				}
+				return chunkGroup;
+			}
+		}
+		const chunkGroup = new ChunkGroup(groupOptions);
+		if (module) chunkGroup.addOrigin(module, loc, request);
+		const chunk = this.addChunk(name);
+
+		GraphHelpers.connectChunkGroupAndChunk(chunkGroup, chunk);
+
+		this.chunkGroups.push(chunkGroup);
+		if (name) {
+			this.namedChunkGroups.set(name, chunkGroup);
+		}
+		return chunkGroup;
+	}
+
+	/**
+	 * This method first looks to see if a name is provided for a new chunk,
+	 * and first looks to see if any named chunks already exist and reuse that chunk instead.
+	 *
+	 * @param {string=} name optional chunk name to be provided
+	 * @returns {Chunk} create a chunk (invoked during seal event)
+	 */
+	addChunk(name) {
+		if (name) {
+			const chunk = this.namedChunks.get(name);
+			if (chunk !== undefined) {
+				return chunk;
+			}
+		}
+		const chunk = new Chunk(name);
+		this.chunks.push(chunk);
+		if (name) {
+			this.namedChunks.set(name, chunk);
+		}
+		return chunk;
+	}
+
+	/**
+	 * @param {Module} module module to assign depth
+	 * @returns {void}
+	 */
+	assignDepth(module) {
+		const queue = new Set([module]);
+		let depth;
+
+		module.depth = 0;
+
+		/**
+		 * @param {Module} module module for processeing
+		 * @returns {void}
+		 */
+		const enqueueJob = module => {
+			const d = module.depth;
+			if (typeof d === "number" && d <= depth) return;
+			queue.add(module);
+			module.depth = depth;
+		};
+
+		/**
+		 * @param {Dependency} dependency dependency to assign depth to
+		 * @returns {void}
+		 */
+		const assignDepthToDependency = dependency => {
+			if (dependency.module) {
+				enqueueJob(dependency.module);
+			}
+		};
+
+		/**
+		 * @param {DependenciesBlock} block block to assign depth to
+		 * @returns {void}
+		 */
+		const assignDepthToDependencyBlock = block => {
+			if (block.variables) {
+				iterationBlockVariable(block.variables, assignDepthToDependency);
+			}
+
+			if (block.dependencies) {
+				iterationOfArrayCallback(block.dependencies, assignDepthToDependency);
+			}
+
+			if (block.blocks) {
+				iterationOfArrayCallback(block.blocks, assignDepthToDependencyBlock);
+			}
+		};
+
+		for (module of queue) {
+			queue.delete(module);
+			depth = module.depth;
+
+			depth++;
+			assignDepthToDependencyBlock(module);
+		}
+	}
+
+	/**
+	 * @param {Module} module the module containing the dependency
+	 * @param {Dependency} dependency the dependency
+	 * @returns {DependencyReference} a reference for the dependency
+	 */
+	getDependencyReference(module, dependency) {
+		// TODO remove dep.getReference existence check in webpack 5
+		if (typeof dependency.getReference !== "function") return null;
+		const ref = dependency.getReference();
+		if (!ref) return null;
+		return this.hooks.dependencyReference.call(ref, dependency, module);
+	}
+
+	/**
+	 *
+	 * @param {Module} module module relationship for removal
+	 * @param {DependenciesBlockLike} block //TODO: good description
+	 * @returns {void}
+	 */
+	removeReasonsOfDependencyBlock(module, block) {
+		const iteratorDependency = d => {
+			if (!d.module) {
+				return;
+			}
+			if (d.module.removeReason(module, d)) {
+				for (const chunk of d.module.chunksIterable) {
+					this.patchChunksAfterReasonRemoval(d.module, chunk);
+				}
+			}
+		};
+
+		if (block.blocks) {
+			iterationOfArrayCallback(block.blocks, block =>
+				this.removeReasonsOfDependencyBlock(module, block)
+			);
+		}
+
+		if (block.dependencies) {
+			iterationOfArrayCallback(block.dependencies, iteratorDependency);
+		}
+
+		if (block.variables) {
+			iterationBlockVariable(block.variables, iteratorDependency);
+		}
+	}
+
+	/**
+	 * @param {Module} module module to patch tie
+	 * @param {Chunk} chunk chunk to patch tie
+	 * @returns {void}
+	 */
+	patchChunksAfterReasonRemoval(module, chunk) {
+		if (!module.hasReasons()) {
+			this.removeReasonsOfDependencyBlock(module, module);
+		}
+		if (!module.hasReasonForChunk(chunk)) {
+			if (module.removeChunk(chunk)) {
+				this.removeChunkFromDependencies(module, chunk);
+			}
+		}
+	}
+
+	/**
+	 *
+	 * @param {DependenciesBlock} block block tie for Chunk
+	 * @param {Chunk} chunk chunk to remove from dep
+	 * @returns {void}
+	 */
+	removeChunkFromDependencies(block, chunk) {
+		const iteratorDependency = d => {
+			if (!d.module) {
+				return;
+			}
+			this.patchChunksAfterReasonRemoval(d.module, chunk);
+		};
+
+		const blocks = block.blocks;
+		for (let indexBlock = 0; indexBlock < blocks.length; indexBlock++) {
+			const asyncBlock = blocks[indexBlock];
+			// Grab all chunks from the first Block's AsyncDepBlock
+			const chunks = asyncBlock.chunkGroup.chunks;
+			// For each chunk in chunkGroup
+			for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+				const iteratedChunk = chunks[indexChunk];
+				asyncBlock.chunkGroup.removeChunk(iteratedChunk);
+				asyncBlock.chunkGroup.removeParent(iteratedChunk);
+				// Recurse
+				this.removeChunkFromDependencies(block, iteratedChunk);
+			}
+		}
+
+		if (block.dependencies) {
+			iterationOfArrayCallback(block.dependencies, iteratorDependency);
+		}
+
+		if (block.variables) {
+			iterationBlockVariable(block.variables, iteratorDependency);
+		}
+	}
+
+	applyModuleIds() {
+		const unusedIds = [];
+		let nextFreeModuleId = 0;
+		const usedIds = new Set();
+		if (this.usedModuleIds) {
+			for (const id of this.usedModuleIds) {
+				usedIds.add(id);
+			}
+		}
+
+		const modules1 = this.modules;
+		for (let indexModule1 = 0; indexModule1 < modules1.length; indexModule1++) {
+			const module1 = modules1[indexModule1];
+			if (module1.id !== null) {
+				usedIds.add(module1.id);
+			}
+		}
+
+		if (usedIds.size > 0) {
+			let usedIdMax = -1;
+			for (const usedIdKey of usedIds) {
+				if (typeof usedIdKey !== "number") {
+					continue;
+				}
+
+				usedIdMax = Math.max(usedIdMax, usedIdKey);
+			}
+
+			let lengthFreeModules = (nextFreeModuleId = usedIdMax + 1);
+
+			while (lengthFreeModules--) {
+				if (!usedIds.has(lengthFreeModules)) {
+					unusedIds.push(lengthFreeModules);
+				}
+			}
+		}
+
+		const modules2 = this.modules;
+		for (let indexModule2 = 0; indexModule2 < modules2.length; indexModule2++) {
+			const module2 = modules2[indexModule2];
+			if (module2.id === null) {
+				if (unusedIds.length > 0) {
+					module2.id = unusedIds.pop();
+				} else {
+					module2.id = nextFreeModuleId++;
+				}
+			}
+		}
+	}
+
+	applyChunkIds() {
+		/** @type {Set<number>} */
+		const usedIds = new Set();
+
+		// Get used ids from usedChunkIds property (i. e. from records)
+		if (this.usedChunkIds) {
+			for (const id of this.usedChunkIds) {
+				if (typeof id !== "number") {
+					continue;
+				}
+
+				usedIds.add(id);
+			}
+		}
+
+		// Get used ids from existing chunks
+		const chunks = this.chunks;
+		for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+			const chunk = chunks[indexChunk];
+			const usedIdValue = chunk.id;
+
+			if (typeof usedIdValue !== "number") {
+				continue;
+			}
+
+			usedIds.add(usedIdValue);
+		}
+
+		// Calculate maximum assigned chunk id
+		let nextFreeChunkId = -1;
+		for (const id of usedIds) {
+			nextFreeChunkId = Math.max(nextFreeChunkId, id);
+		}
+		nextFreeChunkId++;
+
+		// Determine free chunk ids from 0 to maximum
+		/** @type {number[]} */
+		const unusedIds = [];
+		if (nextFreeChunkId > 0) {
+			let index = nextFreeChunkId;
+			while (index--) {
+				if (!usedIds.has(index)) {
+					unusedIds.push(index);
+				}
+			}
+		}
+
+		// Assign ids to chunk which has no id
+		for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+			const chunk = chunks[indexChunk];
+			if (chunk.id === null) {
+				if (unusedIds.length > 0) {
+					chunk.id = unusedIds.pop();
+				} else {
+					chunk.id = nextFreeChunkId++;
+				}
+			}
+			if (!chunk.ids) {
+				chunk.ids = [chunk.id];
+			}
+		}
+	}
+
+	sortItemsWithModuleIds() {
+		this.modules.sort(byIdOrIdentifier);
+
+		const modules = this.modules;
+		for (let indexModule = 0; indexModule < modules.length; indexModule++) {
+			modules[indexModule].sortItems(false);
+		}
+
+		const chunks = this.chunks;
+		for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+			chunks[indexChunk].sortItems();
+		}
+
+		chunks.sort((a, b) => a.compareTo(b));
+	}
+
+	sortItemsWithChunkIds() {
+		for (const chunkGroup of this.chunkGroups) {
+			chunkGroup.sortItems();
+		}
+
+		this.chunks.sort(byId);
+
+		for (
+			let indexModule = 0;
+			indexModule < this.modules.length;
+			indexModule++
+		) {
+			this.modules[indexModule].sortItems(true);
+		}
+
+		const chunks = this.chunks;
+		for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+			chunks[indexChunk].sortItems();
+		}
+
+		/**
+		 * Used to sort errors and warnings in compilation. this.warnings, and
+		 * this.errors contribute to the compilation hash and therefore should be
+		 * updated whenever other references (having a chunk id) are sorted. This preserves the hash
+		 * integrity
+		 *
+		 * @param {WebpackError} a first WebpackError instance (including subclasses)
+		 * @param {WebpackError} b second WebpackError instance (including subclasses)
+		 * @returns {-1|0|1} sort order index
+		 */
+		const byMessage = (a, b) => {
+			const ma = `${a.message}`;
+			const mb = `${b.message}`;
+			if (ma < mb) return -1;
+			if (mb < ma) return 1;
+			return 0;
+		};
+
+		this.errors.sort(byMessage);
+		this.warnings.sort(byMessage);
+		this.children.sort(byNameOrHash);
+	}
+
+	summarizeDependencies() {
+		this.fileDependencies = new SortableSet(this.compilationDependencies);
+		this.contextDependencies = new SortableSet();
+		this.missingDependencies = new SortableSet();
+
+		for (
+			let indexChildren = 0;
+			indexChildren < this.children.length;
+			indexChildren++
+		) {
+			const child = this.children[indexChildren];
+
+			addAllToSet(this.fileDependencies, child.fileDependencies);
+			addAllToSet(this.contextDependencies, child.contextDependencies);
+			addAllToSet(this.missingDependencies, child.missingDependencies);
+		}
+
+		for (
+			let indexModule = 0;
+			indexModule < this.modules.length;
+			indexModule++
+		) {
+			const module = this.modules[indexModule];
+
+			if (module.buildInfo.fileDependencies) {
+				addAllToSet(this.fileDependencies, module.buildInfo.fileDependencies);
+			}
+			if (module.buildInfo.contextDependencies) {
+				addAllToSet(
+					this.contextDependencies,
+					module.buildInfo.contextDependencies
+				);
+			}
+		}
+		for (const error of this.errors) {
+			if (
+				typeof error.missing === "object" &&
+				error.missing &&
+				error.missing[Symbol.iterator]
+			) {
+				addAllToSet(this.missingDependencies, error.missing);
+			}
+		}
+		this.fileDependencies.sort();
+		this.contextDependencies.sort();
+		this.missingDependencies.sort();
+	}
+
+	createHash() {
+		const outputOptions = this.outputOptions;
+		const hashFunction = outputOptions.hashFunction;
+		const hashDigest = outputOptions.hashDigest;
+		const hashDigestLength = outputOptions.hashDigestLength;
+		const hash = createHash(hashFunction);
+		if (outputOptions.hashSalt) {
+			hash.update(outputOptions.hashSalt);
+		}
+		this.mainTemplate.updateHash(hash);
+		this.chunkTemplate.updateHash(hash);
+		for (const key of Object.keys(this.moduleTemplates).sort()) {
+			this.moduleTemplates[key].updateHash(hash);
+		}
+		for (const child of this.children) {
+			hash.update(child.hash);
+		}
+		for (const warning of this.warnings) {
+			hash.update(`${warning.message}`);
+		}
+		for (const error of this.errors) {
+			hash.update(`${error.message}`);
+		}
+		const modules = this.modules;
+		for (let i = 0; i < modules.length; i++) {
+			const module = modules[i];
+			const moduleHash = createHash(hashFunction);
+			module.updateHash(moduleHash);
+			module.hash = /** @type {string} */ (moduleHash.digest(hashDigest));
+			module.renderedHash = module.hash.substr(0, hashDigestLength);
+		}
+		// clone needed as sort below is inplace mutation
+		const chunks = this.chunks.slice();
+		/**
+		 * sort here will bring all "falsy" values to the beginning
+		 * this is needed as the "hasRuntime()" chunks are dependent on the
+		 * hashes of the non-runtime chunks.
+		 */
+		chunks.sort((a, b) => {
+			const aEntry = a.hasRuntime();
+			const bEntry = b.hasRuntime();
+			if (aEntry && !bEntry) return 1;
+			if (!aEntry && bEntry) return -1;
+			return byId(a, b);
+		});
+		for (let i = 0; i < chunks.length; i++) {
+			const chunk = chunks[i];
+			const chunkHash = createHash(hashFunction);
+			try {
+				if (outputOptions.hashSalt) {
+					chunkHash.update(outputOptions.hashSalt);
+				}
+				chunk.updateHash(chunkHash);
+				const template = chunk.hasRuntime()
+					? this.mainTemplate
+					: this.chunkTemplate;
+				template.updateHashForChunk(
+					chunkHash,
+					chunk,
+					this.moduleTemplates.javascript,
+					this.dependencyTemplates
+				);
+				this.hooks.chunkHash.call(chunk, chunkHash);
+				chunk.hash = /** @type {string} */ (chunkHash.digest(hashDigest));
+				hash.update(chunk.hash);
+				chunk.renderedHash = chunk.hash.substr(0, hashDigestLength);
+				this.hooks.contentHash.call(chunk);
+			} catch (err) {
+				this.errors.push(new ChunkRenderError(chunk, "", err));
+			}
+		}
+		this.fullHash = /** @type {string} */ (hash.digest(hashDigest));
+		this.hash = this.fullHash.substr(0, hashDigestLength);
+	}
+
+	/**
+	 * @param {string} update extra information
+	 * @returns {void}
+	 */
+	modifyHash(update) {
+		const outputOptions = this.outputOptions;
+		const hashFunction = outputOptions.hashFunction;
+		const hashDigest = outputOptions.hashDigest;
+		const hashDigestLength = outputOptions.hashDigestLength;
+		const hash = createHash(hashFunction);
+		hash.update(this.fullHash);
+		hash.update(update);
+		this.fullHash = /** @type {string} */ (hash.digest(hashDigest));
+		this.hash = this.fullHash.substr(0, hashDigestLength);
+	}
+
+	/**
+	 * @param {string} file file name
+	 * @param {Source} source asset source
+	 * @param {AssetInfo} assetInfo extra asset information
+	 * @returns {void}
+	 */
+	emitAsset(file, source, assetInfo = {}) {
+		if (this.assets[file]) {
+			if (!isSourceEqual(this.assets[file], source)) {
+				// TODO webpack 5: make this an error instead
+				this.warnings.push(
+					new WebpackError(
+						`Conflict: Multiple assets emit different content to the same filename ${file}`
+					)
+				);
+				this.assets[file] = source;
+				this.assetsInfo.set(file, assetInfo);
+				return;
+			}
+			const oldInfo = this.assetsInfo.get(file);
+			this.assetsInfo.set(file, Object.assign({}, oldInfo, assetInfo));
+			return;
+		}
+		this.assets[file] = source;
+		this.assetsInfo.set(file, assetInfo);
+	}
+
+	/**
+	 * @param {string} file file name
+	 * @param {Source | function(Source): Source} newSourceOrFunction new asset source or function converting old to new
+	 * @param {AssetInfo | function(AssetInfo | undefined): AssetInfo} assetInfoUpdateOrFunction new asset info or function converting old to new
+	 */
+	updateAsset(
+		file,
+		newSourceOrFunction,
+		assetInfoUpdateOrFunction = undefined
+	) {
+		if (!this.assets[file]) {
+			throw new Error(
+				`Called Compilation.updateAsset for not existing filename ${file}`
+			);
+		}
+		if (typeof newSourceOrFunction === "function") {
+			this.assets[file] = newSourceOrFunction(this.assets[file]);
+		} else {
+			this.assets[file] = newSourceOrFunction;
+		}
+		if (assetInfoUpdateOrFunction !== undefined) {
+			const oldInfo = this.assetsInfo.get(file);
+			if (typeof assetInfoUpdateOrFunction === "function") {
+				this.assetsInfo.set(file, assetInfoUpdateOrFunction(oldInfo || {}));
+			} else {
+				this.assetsInfo.set(
+					file,
+					Object.assign({}, oldInfo, assetInfoUpdateOrFunction)
+				);
+			}
+		}
+	}
+
+	getAssets() {
+		/** @type {Asset[]} */
+		const array = [];
+		for (const assetName of Object.keys(this.assets)) {
+			if (Object.prototype.hasOwnProperty.call(this.assets, assetName)) {
+				array.push({
+					name: assetName,
+					source: this.assets[assetName],
+					info: this.assetsInfo.get(assetName) || {}
+				});
+			}
+		}
+		return array;
+	}
+
+	/**
+	 * @param {string} name the name of the asset
+	 * @returns {Asset | undefined} the asset or undefined when not found
+	 */
+	getAsset(name) {
+		if (!Object.prototype.hasOwnProperty.call(this.assets, name))
+			return undefined;
+		return {
+			name,
+			source: this.assets[name],
+			info: this.assetsInfo.get(name) || {}
+		};
+	}
+
+	createModuleAssets() {
+		for (let i = 0; i < this.modules.length; i++) {
+			const module = this.modules[i];
+			if (module.buildInfo.assets) {
+				const assetsInfo = module.buildInfo.assetsInfo;
+				for (const assetName of Object.keys(module.buildInfo.assets)) {
+					const fileName = this.getPath(assetName);
+					this.emitAsset(
+						fileName,
+						module.buildInfo.assets[assetName],
+						assetsInfo ? assetsInfo.get(assetName) : undefined
+					);
+					this.hooks.moduleAsset.call(module, fileName);
+				}
+			}
+		}
+	}
+
+	createChunkAssets() {
+		const outputOptions = this.outputOptions;
+		const cachedSourceMap = new Map();
+		/** @type {Map<string, {hash: string, source: Source, chunk: Chunk}>} */
+		const alreadyWrittenFiles = new Map();
+		for (let i = 0; i < this.chunks.length; i++) {
+			const chunk = this.chunks[i];
+			chunk.files = [];
+			let source;
+			let file;
+			let filenameTemplate;
+			try {
+				const template = chunk.hasRuntime()
+					? this.mainTemplate
+					: this.chunkTemplate;
+				const manifest = template.getRenderManifest({
+					chunk,
+					hash: this.hash,
+					fullHash: this.fullHash,
+					outputOptions,
+					moduleTemplates: this.moduleTemplates,
+					dependencyTemplates: this.dependencyTemplates
+				}); // [{ render(), filenameTemplate, pathOptions, identifier, hash }]
+				for (const fileManifest of manifest) {
+					const cacheName = fileManifest.identifier;
+					const usedHash = fileManifest.hash;
+					filenameTemplate = fileManifest.filenameTemplate;
+					const pathAndInfo = this.getPathWithInfo(
+						filenameTemplate,
+						fileManifest.pathOptions
+					);
+					file = pathAndInfo.path;
+					const assetInfo = pathAndInfo.info;
+
+					// check if the same filename was already written by another chunk
+					const alreadyWritten = alreadyWrittenFiles.get(file);
+					if (alreadyWritten !== undefined) {
+						if (alreadyWritten.hash === usedHash) {
+							if (this.cache) {
+								this.cache[cacheName] = {
+									hash: usedHash,
+									source: alreadyWritten.source
+								};
+							}
+							chunk.files.push(file);
+							this.hooks.chunkAsset.call(chunk, file);
+							continue;
+						} else {
+							throw new Error(
+								`Conflict: Multiple chunks emit assets to the same filename ${file}` +
+									` (chunks ${alreadyWritten.chunk.id} and ${chunk.id})`
+							);
+						}
+					}
+					if (
+						this.cache &&
+						this.cache[cacheName] &&
+						this.cache[cacheName].hash === usedHash
+					) {
+						source = this.cache[cacheName].source;
+					} else {
+						source = fileManifest.render();
+						// Ensure that source is a cached source to avoid additional cost because of repeated access
+						if (!(source instanceof CachedSource)) {
+							const cacheEntry = cachedSourceMap.get(source);
+							if (cacheEntry) {
+								source = cacheEntry;
+							} else {
+								const cachedSource = new CachedSource(source);
+								cachedSourceMap.set(source, cachedSource);
+								source = cachedSource;
+							}
+						}
+						if (this.cache) {
+							this.cache[cacheName] = {
+								hash: usedHash,
+								source
+							};
+						}
+					}
+					this.emitAsset(file, source, assetInfo);
+					chunk.files.push(file);
+					this.hooks.chunkAsset.call(chunk, file);
+					alreadyWrittenFiles.set(file, {
+						hash: usedHash,
+						source,
+						chunk
+					});
+				}
+			} catch (err) {
+				this.errors.push(
+					new ChunkRenderError(chunk, file || filenameTemplate, err)
+				);
+			}
+		}
+	}
+
+	/**
+	 * @param {string} filename used to get asset path with hash
+	 * @param {TODO=} data // TODO: figure out this param type
+	 * @returns {string} interpolated path
+	 */
+	getPath(filename, data) {
+		data = data || {};
+		data.hash = data.hash || this.hash;
+		return this.mainTemplate.getAssetPath(filename, data);
+	}
+
+	/**
+	 * @param {string} filename used to get asset path with hash
+	 * @param {TODO=} data // TODO: figure out this param type
+	 * @returns {{ path: string, info: AssetInfo }} interpolated path and asset info
+	 */
+	getPathWithInfo(filename, data) {
+		data = data || {};
+		data.hash = data.hash || this.hash;
+		return this.mainTemplate.getAssetPathWithInfo(filename, data);
+	}
+
+	/**
+	 * This function allows you to run another instance of webpack inside of webpack however as
+	 * a child with different settings and configurations (if desired) applied. It copies all hooks, plugins
+	 * from parent (or top level compiler) and creates a child Compilation
+	 *
+	 * @param {string} name name of the child compiler
+	 * @param {TODO} outputOptions // Need to convert config schema to types for this
+	 * @param {Plugin[]} plugins webpack plugins that will be applied
+	 * @returns {Compiler} creates a child Compiler instance
+	 */
+	createChildCompiler(name, outputOptions, plugins) {
+		const idx = this.childrenCounters[name] || 0;
+		this.childrenCounters[name] = idx + 1;
+		return this.compiler.createChildCompiler(
+			this,
+			name,
+			idx,
+			outputOptions,
+			plugins
+		);
+	}
+
+	checkConstraints() {
+		/** @type {Set<number|string>} */
+		const usedIds = new Set();
+
+		const modules = this.modules;
+		for (let indexModule = 0; indexModule < modules.length; indexModule++) {
+			const moduleId = modules[indexModule].id;
+			if (moduleId === null) continue;
+			if (usedIds.has(moduleId)) {
+				throw new Error(`checkConstraints: duplicate module id ${moduleId}`);
+			}
+			usedIds.add(moduleId);
+		}
+
+		const chunks = this.chunks;
+		for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
+			const chunk = chunks[indexChunk];
+			if (chunks.indexOf(chunk) !== indexChunk) {
+				throw new Error(
+					`checkConstraints: duplicate chunk in compilation ${chunk.debugId}`
+				);
+			}
+		}
+
+		for (const chunkGroup of this.chunkGroups) {
+			chunkGroup.checkConstraints();
+		}
+	}
+}
+
+// TODO remove in webpack 5
+Compilation.prototype.applyPlugins = util.deprecate(
+	/**
+	 * @deprecated
+	 * @param {string} name Name
+	 * @param {any[]} args Other arguments
+	 * @returns {void}
+	 * @this {Compilation}
+	 */
+	function(name, ...args) {
+		this.hooks[
+			name.replace(/[- ]([a-z])/g, match => match[1].toUpperCase())
+		].call(...args);
+	},
+	"Compilation.applyPlugins is deprecated. Use new API on `.hooks` instead"
+);
+
+// TODO remove in webpack 5
+Object.defineProperty(Compilation.prototype, "moduleTemplate", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {Compilation}
+		 * @returns {TODO} module template
+		 */
+		function() {
+			return this.moduleTemplates.javascript;
+		},
+		"Compilation.moduleTemplate: Use Compilation.moduleTemplates.javascript instead"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @param {ModuleTemplate} value Template value
+		 * @this {Compilation}
+		 * @returns {void}
+		 */
+		function(value) {
+			this.moduleTemplates.javascript = value;
+		},
+		"Compilation.moduleTemplate: Use Compilation.moduleTemplates.javascript instead."
+	)
+});
+
+module.exports = Compilation;
diff --git a/node_modules/webpack/lib/Compiler.js b/node_modules/webpack/lib/Compiler.js
new file mode 100644
index 00000000..376aa285
--- /dev/null
+++ b/node_modules/webpack/lib/Compiler.js
@@ -0,0 +1,735 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const parseJson = require("json-parse-better-errors");
+const asyncLib = require("neo-async");
+const path = require("path");
+const { Source } = require("webpack-sources");
+const util = require("util");
+const {
+	Tapable,
+	SyncHook,
+	SyncBailHook,
+	AsyncParallelHook,
+	AsyncSeriesHook
+} = require("tapable");
+
+const Compilation = require("./Compilation");
+const Stats = require("./Stats");
+const Watching = require("./Watching");
+const NormalModuleFactory = require("./NormalModuleFactory");
+const ContextModuleFactory = require("./ContextModuleFactory");
+const ResolverFactory = require("./ResolverFactory");
+
+const RequestShortener = require("./RequestShortener");
+const { makePathsRelative } = require("./util/identifier");
+const ConcurrentCompilationError = require("./ConcurrentCompilationError");
+const { Logger } = require("./logging/Logger");
+
+/** @typedef {import("../declarations/WebpackOptions").Entry} Entry */
+/** @typedef {import("../declarations/WebpackOptions").WebpackOptions} WebpackOptions */
+
+/**
+ * @typedef {Object} CompilationParams
+ * @property {NormalModuleFactory} normalModuleFactory
+ * @property {ContextModuleFactory} contextModuleFactory
+ * @property {Set<string>} compilationDependencies
+ */
+
+class Compiler extends Tapable {
+	constructor(context) {
+		super();
+		this.hooks = {
+			/** @type {SyncBailHook<Compilation>} */
+			shouldEmit: new SyncBailHook(["compilation"]),
+			/** @type {AsyncSeriesHook<Stats>} */
+			done: new AsyncSeriesHook(["stats"]),
+			/** @type {AsyncSeriesHook<>} */
+			additionalPass: new AsyncSeriesHook([]),
+			/** @type {AsyncSeriesHook<Compiler>} */
+			beforeRun: new AsyncSeriesHook(["compiler"]),
+			/** @type {AsyncSeriesHook<Compiler>} */
+			run: new AsyncSeriesHook(["compiler"]),
+			/** @type {AsyncSeriesHook<Compilation>} */
+			emit: new AsyncSeriesHook(["compilation"]),
+			/** @type {AsyncSeriesHook<string, Buffer>} */
+			assetEmitted: new AsyncSeriesHook(["file", "content"]),
+			/** @type {AsyncSeriesHook<Compilation>} */
+			afterEmit: new AsyncSeriesHook(["compilation"]),
+
+			/** @type {SyncHook<Compilation, CompilationParams>} */
+			thisCompilation: new SyncHook(["compilation", "params"]),
+			/** @type {SyncHook<Compilation, CompilationParams>} */
+			compilation: new SyncHook(["compilation", "params"]),
+			/** @type {SyncHook<NormalModuleFactory>} */
+			normalModuleFactory: new SyncHook(["normalModuleFactory"]),
+			/** @type {SyncHook<ContextModuleFactory>}  */
+			contextModuleFactory: new SyncHook(["contextModulefactory"]),
+
+			/** @type {AsyncSeriesHook<CompilationParams>} */
+			beforeCompile: new AsyncSeriesHook(["params"]),
+			/** @type {SyncHook<CompilationParams>} */
+			compile: new SyncHook(["params"]),
+			/** @type {AsyncParallelHook<Compilation>} */
+			make: new AsyncParallelHook(["compilation"]),
+			/** @type {AsyncSeriesHook<Compilation>} */
+			afterCompile: new AsyncSeriesHook(["compilation"]),
+
+			/** @type {AsyncSeriesHook<Compiler>} */
+			watchRun: new AsyncSeriesHook(["compiler"]),
+			/** @type {SyncHook<Error>} */
+			failed: new SyncHook(["error"]),
+			/** @type {SyncHook<string, string>} */
+			invalid: new SyncHook(["filename", "changeTime"]),
+			/** @type {SyncHook} */
+			watchClose: new SyncHook([]),
+
+			/** @type {SyncBailHook<string, string, any[]>} */
+			infrastructureLog: new SyncBailHook(["origin", "type", "args"]),
+
+			// TODO the following hooks are weirdly located here
+			// TODO move them for webpack 5
+			/** @type {SyncHook} */
+			environment: new SyncHook([]),
+			/** @type {SyncHook} */
+			afterEnvironment: new SyncHook([]),
+			/** @type {SyncHook<Compiler>} */
+			afterPlugins: new SyncHook(["compiler"]),
+			/** @type {SyncHook<Compiler>} */
+			afterResolvers: new SyncHook(["compiler"]),
+			/** @type {SyncBailHook<string, Entry>} */
+			entryOption: new SyncBailHook(["context", "entry"])
+		};
+		// TODO webpack 5 remove this
+		this.hooks.infrastructurelog = this.hooks.infrastructureLog;
+
+		this._pluginCompat.tap("Compiler", options => {
+			switch (options.name) {
+				case "additional-pass":
+				case "before-run":
+				case "run":
+				case "emit":
+				case "after-emit":
+				case "before-compile":
+				case "make":
+				case "after-compile":
+				case "watch-run":
+					options.async = true;
+					break;
+			}
+		});
+
+		/** @type {string=} */
+		this.name = undefined;
+		/** @type {Compilation=} */
+		this.parentCompilation = undefined;
+		/** @type {string} */
+		this.outputPath = "";
+
+		this.outputFileSystem = null;
+		this.inputFileSystem = null;
+
+		/** @type {string|null} */
+		this.recordsInputPath = null;
+		/** @type {string|null} */
+		this.recordsOutputPath = null;
+		this.records = {};
+		this.removedFiles = new Set();
+		/** @type {Map<string, number>} */
+		this.fileTimestamps = new Map();
+		/** @type {Map<string, number>} */
+		this.contextTimestamps = new Map();
+		/** @type {ResolverFactory} */
+		this.resolverFactory = new ResolverFactory();
+
+		this.infrastructureLogger = undefined;
+
+		// TODO remove in webpack 5
+		this.resolvers = {
+			normal: {
+				plugins: util.deprecate((hook, fn) => {
+					this.resolverFactory.plugin("resolver normal", resolver => {
+						resolver.plugin(hook, fn);
+					});
+				}, "webpack: Using compiler.resolvers.normal is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver normal", resolver => {\n  resolver.plugin(/* … */);\n}); instead.'),
+				apply: util.deprecate((...args) => {
+					this.resolverFactory.plugin("resolver normal", resolver => {
+						resolver.apply(...args);
+					});
+				}, "webpack: Using compiler.resolvers.normal is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver normal", resolver => {\n  resolver.apply(/* … */);\n}); instead.')
+			},
+			loader: {
+				plugins: util.deprecate((hook, fn) => {
+					this.resolverFactory.plugin("resolver loader", resolver => {
+						resolver.plugin(hook, fn);
+					});
+				}, "webpack: Using compiler.resolvers.loader is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver loader", resolver => {\n  resolver.plugin(/* … */);\n}); instead.'),
+				apply: util.deprecate((...args) => {
+					this.resolverFactory.plugin("resolver loader", resolver => {
+						resolver.apply(...args);
+					});
+				}, "webpack: Using compiler.resolvers.loader is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver loader", resolver => {\n  resolver.apply(/* … */);\n}); instead.')
+			},
+			context: {
+				plugins: util.deprecate((hook, fn) => {
+					this.resolverFactory.plugin("resolver context", resolver => {
+						resolver.plugin(hook, fn);
+					});
+				}, "webpack: Using compiler.resolvers.context is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver context", resolver => {\n  resolver.plugin(/* … */);\n}); instead.'),
+				apply: util.deprecate((...args) => {
+					this.resolverFactory.plugin("resolver context", resolver => {
+						resolver.apply(...args);
+					});
+				}, "webpack: Using compiler.resolvers.context is deprecated.\n" + 'Use compiler.resolverFactory.plugin("resolver context", resolver => {\n  resolver.apply(/* … */);\n}); instead.')
+			}
+		};
+
+		/** @type {WebpackOptions} */
+		this.options = /** @type {WebpackOptions} */ ({});
+
+		this.context = context;
+
+		this.requestShortener = new RequestShortener(context);
+
+		/** @type {boolean} */
+		this.running = false;
+
+		/** @type {boolean} */
+		this.watchMode = false;
+
+		/** @private @type {WeakMap<Source, { sizeOnlySource: SizeOnlySource, writtenTo: Map<string, number> }>} */
+		this._assetEmittingSourceCache = new WeakMap();
+		/** @private @type {Map<string, number>} */
+		this._assetEmittingWrittenFiles = new Map();
+	}
+
+	/**
+	 * @param {string | (function(): string)} name name of the logger, or function called once to get the logger name
+	 * @returns {Logger} a logger with that name
+	 */
+	getInfrastructureLogger(name) {
+		if (!name) {
+			throw new TypeError(
+				"Compiler.getInfrastructureLogger(name) called without a name"
+			);
+		}
+		return new Logger((type, args) => {
+			if (typeof name === "function") {
+				name = name();
+				if (!name) {
+					throw new TypeError(
+						"Compiler.getInfrastructureLogger(name) called with a function not returning a name"
+					);
+				}
+			}
+			if (this.hooks.infrastructureLog.call(name, type, args) === undefined) {
+				if (this.infrastructureLogger !== undefined) {
+					this.infrastructureLogger(name, type, args);
+				}
+			}
+		});
+	}
+
+	watch(watchOptions, handler) {
+		if (this.running) return handler(new ConcurrentCompilationError());
+
+		this.running = true;
+		this.watchMode = true;
+		this.fileTimestamps = new Map();
+		this.contextTimestamps = new Map();
+		this.removedFiles = new Set();
+		return new Watching(this, watchOptions, handler);
+	}
+
+	run(callback) {
+		if (this.running) return callback(new ConcurrentCompilationError());
+
+		const finalCallback = (err, stats) => {
+			this.running = false;
+
+			if (err) {
+				this.hooks.failed.call(err);
+			}
+
+			if (callback !== undefined) return callback(err, stats);
+		};
+
+		const startTime = Date.now();
+
+		this.running = true;
+
+		const onCompiled = (err, compilation) => {
+			if (err) return finalCallback(err);
+
+			if (this.hooks.shouldEmit.call(compilation) === false) {
+				const stats = new Stats(compilation);
+				stats.startTime = startTime;
+				stats.endTime = Date.now();
+				this.hooks.done.callAsync(stats, err => {
+					if (err) return finalCallback(err);
+					return finalCallback(null, stats);
+				});
+				return;
+			}
+
+			this.emitAssets(compilation, err => {
+				if (err) return finalCallback(err);
+
+				if (compilation.hooks.needAdditionalPass.call()) {
+					compilation.needAdditionalPass = true;
+
+					const stats = new Stats(compilation);
+					stats.startTime = startTime;
+					stats.endTime = Date.now();
+					this.hooks.done.callAsync(stats, err => {
+						if (err) return finalCallback(err);
+
+						this.hooks.additionalPass.callAsync(err => {
+							if (err) return finalCallback(err);
+							this.compile(onCompiled);
+						});
+					});
+					return;
+				}
+
+				this.emitRecords(err => {
+					if (err) return finalCallback(err);
+
+					const stats = new Stats(compilation);
+					stats.startTime = startTime;
+					stats.endTime = Date.now();
+					this.hooks.done.callAsync(stats, err => {
+						if (err) return finalCallback(err);
+						return finalCallback(null, stats);
+					});
+				});
+			});
+		};
+
+		this.hooks.beforeRun.callAsync(this, err => {
+			if (err) return finalCallback(err);
+
+			this.hooks.run.callAsync(this, err => {
+				if (err) return finalCallback(err);
+
+				this.readRecords(err => {
+					if (err) return finalCallback(err);
+
+					this.compile(onCompiled);
+				});
+			});
+		});
+	}
+
+	runAsChild(callback) {
+		this.compile((err, compilation) => {
+			if (err) return callback(err);
+
+			this.parentCompilation.children.push(compilation);
+			for (const { name, source, info } of compilation.getAssets()) {
+				this.parentCompilation.emitAsset(name, source, info);
+			}
+
+			const entries = Array.from(
+				compilation.entrypoints.values(),
+				ep => ep.chunks
+			).reduce((array, chunks) => {
+				return array.concat(chunks);
+			}, []);
+
+			return callback(null, entries, compilation);
+		});
+	}
+
+	purgeInputFileSystem() {
+		if (this.inputFileSystem && this.inputFileSystem.purge) {
+			this.inputFileSystem.purge();
+		}
+	}
+
+	emitAssets(compilation, callback) {
+		let outputPath;
+		const emitFiles = err => {
+			if (err) return callback(err);
+
+			asyncLib.forEachLimit(
+				compilation.getAssets(),
+				15,
+				({ name: file, source }, callback) => {
+					let targetFile = file;
+					const queryStringIdx = targetFile.indexOf("?");
+					if (queryStringIdx >= 0) {
+						targetFile = targetFile.substr(0, queryStringIdx);
+					}
+
+					const writeOut = err => {
+						if (err) return callback(err);
+						const targetPath = this.outputFileSystem.join(
+							outputPath,
+							targetFile
+						);
+						// TODO webpack 5 remove futureEmitAssets option and make it on by default
+						if (this.options.output.futureEmitAssets) {
+							// check if the target file has already been written by this Compiler
+							const targetFileGeneration = this._assetEmittingWrittenFiles.get(
+								targetPath
+							);
+
+							// create an cache entry for this Source if not already existing
+							let cacheEntry = this._assetEmittingSourceCache.get(source);
+							if (cacheEntry === undefined) {
+								cacheEntry = {
+									sizeOnlySource: undefined,
+									writtenTo: new Map()
+								};
+								this._assetEmittingSourceCache.set(source, cacheEntry);
+							}
+
+							// if the target file has already been written
+							if (targetFileGeneration !== undefined) {
+								// check if the Source has been written to this target file
+								const writtenGeneration = cacheEntry.writtenTo.get(targetPath);
+								if (writtenGeneration === targetFileGeneration) {
+									// if yes, we skip writing the file
+									// as it's already there
+									// (we assume one doesn't remove files while the Compiler is running)
+
+									compilation.updateAsset(file, cacheEntry.sizeOnlySource, {
+										size: cacheEntry.sizeOnlySource.size()
+									});
+
+									return callback();
+								}
+							}
+
+							// TODO webpack 5: if info.immutable check if file already exists in output
+							// skip emitting if it's already there
+
+							// get the binary (Buffer) content from the Source
+							/** @type {Buffer} */
+							let content;
+							if (typeof source.buffer === "function") {
+								content = source.buffer();
+							} else {
+								const bufferOrString = source.source();
+								if (Buffer.isBuffer(bufferOrString)) {
+									content = bufferOrString;
+								} else {
+									content = Buffer.from(bufferOrString, "utf8");
+								}
+							}
+
+							// Create a replacement resource which only allows to ask for size
+							// This allows to GC all memory allocated by the Source
+							// (expect when the Source is stored in any other cache)
+							cacheEntry.sizeOnlySource = new SizeOnlySource(content.length);
+							compilation.updateAsset(file, cacheEntry.sizeOnlySource, {
+								size: content.length
+							});
+
+							// Write the file to output file system
+							this.outputFileSystem.writeFile(targetPath, content, err => {
+								if (err) return callback(err);
+
+								// information marker that the asset has been emitted
+								compilation.emittedAssets.add(file);
+
+								// cache the information that the Source has been written to that location
+								const newGeneration =
+									targetFileGeneration === undefined
+										? 1
+										: targetFileGeneration + 1;
+								cacheEntry.writtenTo.set(targetPath, newGeneration);
+								this._assetEmittingWrittenFiles.set(targetPath, newGeneration);
+								this.hooks.assetEmitted.callAsync(file, content, callback);
+							});
+						} else {
+							if (source.existsAt === targetPath) {
+								source.emitted = false;
+								return callback();
+							}
+							let content = source.source();
+
+							if (!Buffer.isBuffer(content)) {
+								content = Buffer.from(content, "utf8");
+							}
+
+							source.existsAt = targetPath;
+							source.emitted = true;
+							this.outputFileSystem.writeFile(targetPath, content, err => {
+								if (err) return callback(err);
+								this.hooks.assetEmitted.callAsync(file, content, callback);
+							});
+						}
+					};
+
+					if (targetFile.match(/\/|\\/)) {
+						const dir = path.dirname(targetFile);
+						this.outputFileSystem.mkdirp(
+							this.outputFileSystem.join(outputPath, dir),
+							writeOut
+						);
+					} else {
+						writeOut();
+					}
+				},
+				err => {
+					if (err) return callback(err);
+
+					this.hooks.afterEmit.callAsync(compilation, err => {
+						if (err) return callback(err);
+
+						return callback();
+					});
+				}
+			);
+		};
+
+		this.hooks.emit.callAsync(compilation, err => {
+			if (err) return callback(err);
+			outputPath = compilation.getPath(this.outputPath);
+			this.outputFileSystem.mkdirp(outputPath, emitFiles);
+		});
+	}
+
+	emitRecords(callback) {
+		if (!this.recordsOutputPath) return callback();
+		const idx1 = this.recordsOutputPath.lastIndexOf("/");
+		const idx2 = this.recordsOutputPath.lastIndexOf("\\");
+		let recordsOutputPathDirectory = null;
+		if (idx1 > idx2) {
+			recordsOutputPathDirectory = this.recordsOutputPath.substr(0, idx1);
+		} else if (idx1 < idx2) {
+			recordsOutputPathDirectory = this.recordsOutputPath.substr(0, idx2);
+		}
+
+		const writeFile = () => {
+			this.outputFileSystem.writeFile(
+				this.recordsOutputPath,
+				JSON.stringify(this.records, undefined, 2),
+				callback
+			);
+		};
+
+		if (!recordsOutputPathDirectory) {
+			return writeFile();
+		}
+		this.outputFileSystem.mkdirp(recordsOutputPathDirectory, err => {
+			if (err) return callback(err);
+			writeFile();
+		});
+	}
+
+	readRecords(callback) {
+		if (!this.recordsInputPath) {
+			this.records = {};
+			return callback();
+		}
+		this.inputFileSystem.stat(this.recordsInputPath, err => {
+			// It doesn't exist
+			// We can ignore this.
+			if (err) return callback();
+
+			this.inputFileSystem.readFile(this.recordsInputPath, (err, content) => {
+				if (err) return callback(err);
+
+				try {
+					this.records = parseJson(content.toString("utf-8"));
+				} catch (e) {
+					e.message = "Cannot parse records: " + e.message;
+					return callback(e);
+				}
+
+				return callback();
+			});
+		});
+	}
+
+	createChildCompiler(
+		compilation,
+		compilerName,
+		compilerIndex,
+		outputOptions,
+		plugins
+	) {
+		const childCompiler = new Compiler(this.context);
+		if (Array.isArray(plugins)) {
+			for (const plugin of plugins) {
+				plugin.apply(childCompiler);
+			}
+		}
+		for (const name in this.hooks) {
+			if (
+				![
+					"make",
+					"compile",
+					"emit",
+					"afterEmit",
+					"invalid",
+					"done",
+					"thisCompilation"
+				].includes(name)
+			) {
+				if (childCompiler.hooks[name]) {
+					childCompiler.hooks[name].taps = this.hooks[name].taps.slice();
+				}
+			}
+		}
+		childCompiler.name = compilerName;
+		childCompiler.outputPath = this.outputPath;
+		childCompiler.inputFileSystem = this.inputFileSystem;
+		childCompiler.outputFileSystem = null;
+		childCompiler.resolverFactory = this.resolverFactory;
+		childCompiler.fileTimestamps = this.fileTimestamps;
+		childCompiler.contextTimestamps = this.contextTimestamps;
+
+		const relativeCompilerName = makePathsRelative(this.context, compilerName);
+		if (!this.records[relativeCompilerName]) {
+			this.records[relativeCompilerName] = [];
+		}
+		if (this.records[relativeCompilerName][compilerIndex]) {
+			childCompiler.records = this.records[relativeCompilerName][compilerIndex];
+		} else {
+			this.records[relativeCompilerName].push((childCompiler.records = {}));
+		}
+
+		childCompiler.options = Object.create(this.options);
+		childCompiler.options.output = Object.create(childCompiler.options.output);
+		for (const name in outputOptions) {
+			childCompiler.options.output[name] = outputOptions[name];
+		}
+		childCompiler.parentCompilation = compilation;
+
+		compilation.hooks.childCompiler.call(
+			childCompiler,
+			compilerName,
+			compilerIndex
+		);
+
+		return childCompiler;
+	}
+
+	isChild() {
+		return !!this.parentCompilation;
+	}
+
+	createCompilation() {
+		return new Compilation(this);
+	}
+
+	newCompilation(params) {
+		const compilation = this.createCompilation();
+		compilation.fileTimestamps = this.fileTimestamps;
+		compilation.contextTimestamps = this.contextTimestamps;
+		compilation.name = this.name;
+		compilation.records = this.records;
+		compilation.compilationDependencies = params.compilationDependencies;
+		this.hooks.thisCompilation.call(compilation, params);
+		this.hooks.compilation.call(compilation, params);
+		return compilation;
+	}
+
+	createNormalModuleFactory() {
+		const normalModuleFactory = new NormalModuleFactory(
+			this.options.context,
+			this.resolverFactory,
+			this.options.module || {}
+		);
+		this.hooks.normalModuleFactory.call(normalModuleFactory);
+		return normalModuleFactory;
+	}
+
+	createContextModuleFactory() {
+		const contextModuleFactory = new ContextModuleFactory(this.resolverFactory);
+		this.hooks.contextModuleFactory.call(contextModuleFactory);
+		return contextModuleFactory;
+	}
+
+	newCompilationParams() {
+		const params = {
+			normalModuleFactory: this.createNormalModuleFactory(),
+			contextModuleFactory: this.createContextModuleFactory(),
+			compilationDependencies: new Set()
+		};
+		return params;
+	}
+
+	compile(callback) {
+		const params = this.newCompilationParams();
+		this.hooks.beforeCompile.callAsync(params, err => {
+			if (err) return callback(err);
+
+			this.hooks.compile.call(params);
+
+			const compilation = this.newCompilation(params);
+
+			this.hooks.make.callAsync(compilation, err => {
+				if (err) return callback(err);
+
+				compilation.finish(err => {
+					if (err) return callback(err);
+
+					compilation.seal(err => {
+						if (err) return callback(err);
+
+						this.hooks.afterCompile.callAsync(compilation, err => {
+							if (err) return callback(err);
+
+							return callback(null, compilation);
+						});
+					});
+				});
+			});
+		});
+	}
+}
+
+module.exports = Compiler;
+
+class SizeOnlySource extends Source {
+	constructor(size) {
+		super();
+		this._size = size;
+	}
+
+	_error() {
+		return new Error(
+			"Content and Map of this Source is no longer available (only size() is supported)"
+		);
+	}
+
+	size() {
+		return this._size;
+	}
+
+	/**
+	 * @param {any} options options
+	 * @returns {string} the source
+	 */
+	source(options) {
+		throw this._error();
+	}
+
+	node() {
+		throw this._error();
+	}
+
+	listMap() {
+		throw this._error();
+	}
+
+	map() {
+		throw this._error();
+	}
+
+	listNode() {
+		throw this._error();
+	}
+
+	updateHash() {
+		throw this._error();
+	}
+}
diff --git a/node_modules/webpack/lib/ConcurrentCompilationError.js b/node_modules/webpack/lib/ConcurrentCompilationError.js
new file mode 100644
index 00000000..3b590e72
--- /dev/null
+++ b/node_modules/webpack/lib/ConcurrentCompilationError.js
@@ -0,0 +1,19 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Maksim Nazarjev @acupofspirt
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class ConcurrentCompilationError extends WebpackError {
+	constructor() {
+		super();
+
+		this.name = "ConcurrentCompilationError";
+		this.message =
+			"You ran Webpack twice. Each instance only supports a single concurrent compilation at a time.";
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/ConstPlugin.js b/node_modules/webpack/lib/ConstPlugin.js
new file mode 100644
index 00000000..6b05720f
--- /dev/null
+++ b/node_modules/webpack/lib/ConstPlugin.js
@@ -0,0 +1,348 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ConstDependency = require("./dependencies/ConstDependency");
+const NullFactory = require("./NullFactory");
+const ParserHelpers = require("./ParserHelpers");
+
+const getQuery = request => {
+	const i = request.indexOf("?");
+	return i !== -1 ? request.substr(i) : "";
+};
+
+const collectDeclaration = (declarations, pattern) => {
+	const stack = [pattern];
+	while (stack.length > 0) {
+		const node = stack.pop();
+		switch (node.type) {
+			case "Identifier":
+				declarations.add(node.name);
+				break;
+			case "ArrayPattern":
+				for (const element of node.elements) {
+					if (element) {
+						stack.push(element);
+					}
+				}
+				break;
+			case "AssignmentPattern":
+				stack.push(node.left);
+				break;
+			case "ObjectPattern":
+				for (const property of node.properties) {
+					stack.push(property.value);
+				}
+				break;
+			case "RestElement":
+				stack.push(node.argument);
+				break;
+		}
+	}
+};
+
+const getHoistedDeclarations = (branch, includeFunctionDeclarations) => {
+	const declarations = new Set();
+	const stack = [branch];
+	while (stack.length > 0) {
+		const node = stack.pop();
+		// Some node could be `null` or `undefined`.
+		if (!node) continue;
+		switch (node.type) {
+			// Walk through control statements to look for hoisted declarations.
+			// Some branches are skipped since they do not allow declarations.
+			case "BlockStatement":
+				for (const stmt of node.body) {
+					stack.push(stmt);
+				}
+				break;
+			case "IfStatement":
+				stack.push(node.consequent);
+				stack.push(node.alternate);
+				break;
+			case "ForStatement":
+				stack.push(node.init);
+				stack.push(node.body);
+				break;
+			case "ForInStatement":
+			case "ForOfStatement":
+				stack.push(node.left);
+				stack.push(node.body);
+				break;
+			case "DoWhileStatement":
+			case "WhileStatement":
+			case "LabeledStatement":
+				stack.push(node.body);
+				break;
+			case "SwitchStatement":
+				for (const cs of node.cases) {
+					for (const consequent of cs.consequent) {
+						stack.push(consequent);
+					}
+				}
+				break;
+			case "TryStatement":
+				stack.push(node.block);
+				if (node.handler) {
+					stack.push(node.handler.body);
+				}
+				stack.push(node.finalizer);
+				break;
+			case "FunctionDeclaration":
+				if (includeFunctionDeclarations) {
+					collectDeclaration(declarations, node.id);
+				}
+				break;
+			case "VariableDeclaration":
+				if (node.kind === "var") {
+					for (const decl of node.declarations) {
+						collectDeclaration(declarations, decl.id);
+					}
+				}
+				break;
+		}
+	}
+	return Array.from(declarations);
+};
+
+class ConstPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"ConstPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				const handler = parser => {
+					parser.hooks.statementIf.tap("ConstPlugin", statement => {
+						if (parser.scope.isAsmJs) return;
+						const param = parser.evaluateExpression(statement.test);
+						const bool = param.asBool();
+						if (typeof bool === "boolean") {
+							if (statement.test.type !== "Literal") {
+								const dep = new ConstDependency(`${bool}`, param.range);
+								dep.loc = statement.loc;
+								parser.state.current.addDependency(dep);
+							}
+							const branchToRemove = bool
+								? statement.alternate
+								: statement.consequent;
+							if (branchToRemove) {
+								// Before removing the dead branch, the hoisted declarations
+								// must be collected.
+								//
+								// Given the following code:
+								//
+								//     if (true) f() else g()
+								//     if (false) {
+								//       function f() {}
+								//       const g = function g() {}
+								//       if (someTest) {
+								//         let a = 1
+								//         var x, {y, z} = obj
+								//       }
+								//     } else {
+								//       …
+								//     }
+								//
+								// the generated code is:
+								//
+								//     if (true) f() else {}
+								//     if (false) {
+								//       var f, x, y, z;   (in loose mode)
+								//       var x, y, z;      (in strict mode)
+								//     } else {
+								//       …
+								//     }
+								//
+								// NOTE: When code runs in strict mode, `var` declarations
+								// are hoisted but `function` declarations don't.
+								//
+								let declarations;
+								if (parser.scope.isStrict) {
+									// If the code runs in strict mode, variable declarations
+									// using `var` must be hoisted.
+									declarations = getHoistedDeclarations(branchToRemove, false);
+								} else {
+									// Otherwise, collect all hoisted declaration.
+									declarations = getHoistedDeclarations(branchToRemove, true);
+								}
+								let replacement;
+								if (declarations.length > 0) {
+									replacement = `{ var ${declarations.join(", ")}; }`;
+								} else {
+									replacement = "{}";
+								}
+								const dep = new ConstDependency(
+									replacement,
+									branchToRemove.range
+								);
+								dep.loc = branchToRemove.loc;
+								parser.state.current.addDependency(dep);
+							}
+							return bool;
+						}
+					});
+					parser.hooks.expressionConditionalOperator.tap(
+						"ConstPlugin",
+						expression => {
+							if (parser.scope.isAsmJs) return;
+							const param = parser.evaluateExpression(expression.test);
+							const bool = param.asBool();
+							if (typeof bool === "boolean") {
+								if (expression.test.type !== "Literal") {
+									const dep = new ConstDependency(` ${bool}`, param.range);
+									dep.loc = expression.loc;
+									parser.state.current.addDependency(dep);
+								}
+								// Expressions do not hoist.
+								// It is safe to remove the dead branch.
+								//
+								// Given the following code:
+								//
+								//   false ? someExpression() : otherExpression();
+								//
+								// the generated code is:
+								//
+								//   false ? undefined : otherExpression();
+								//
+								const branchToRemove = bool
+									? expression.alternate
+									: expression.consequent;
+								const dep = new ConstDependency(
+									"undefined",
+									branchToRemove.range
+								);
+								dep.loc = branchToRemove.loc;
+								parser.state.current.addDependency(dep);
+								return bool;
+							}
+						}
+					);
+					parser.hooks.expressionLogicalOperator.tap(
+						"ConstPlugin",
+						expression => {
+							if (parser.scope.isAsmJs) return;
+							if (
+								expression.operator === "&&" ||
+								expression.operator === "||"
+							) {
+								const param = parser.evaluateExpression(expression.left);
+								const bool = param.asBool();
+								if (typeof bool === "boolean") {
+									// Expressions do not hoist.
+									// It is safe to remove the dead branch.
+									//
+									// ------------------------------------------
+									//
+									// Given the following code:
+									//
+									//   falsyExpression() && someExpression();
+									//
+									// the generated code is:
+									//
+									//   falsyExpression() && false;
+									//
+									// ------------------------------------------
+									//
+									// Given the following code:
+									//
+									//   truthyExpression() && someExpression();
+									//
+									// the generated code is:
+									//
+									//   true && someExpression();
+									//
+									// ------------------------------------------
+									//
+									// Given the following code:
+									//
+									//   truthyExpression() || someExpression();
+									//
+									// the generated code is:
+									//
+									//   truthyExpression() || false;
+									//
+									// ------------------------------------------
+									//
+									// Given the following code:
+									//
+									//   falsyExpression() || someExpression();
+									//
+									// the generated code is:
+									//
+									//   false && someExpression();
+									//
+									const keepRight =
+										(expression.operator === "&&" && bool) ||
+										(expression.operator === "||" && !bool);
+
+									if (param.isBoolean() || keepRight) {
+										// for case like
+										//
+										//   return'development'===process.env.NODE_ENV&&'foo'
+										//
+										// we need a space before the bool to prevent result like
+										//
+										//   returnfalse&&'foo'
+										//
+										const dep = new ConstDependency(` ${bool}`, param.range);
+										dep.loc = expression.loc;
+										parser.state.current.addDependency(dep);
+									} else {
+										parser.walkExpression(expression.left);
+									}
+									if (!keepRight) {
+										const dep = new ConstDependency(
+											"false",
+											expression.right.range
+										);
+										dep.loc = expression.loc;
+										parser.state.current.addDependency(dep);
+									}
+									return keepRight;
+								}
+							}
+						}
+					);
+					parser.hooks.evaluateIdentifier
+						.for("__resourceQuery")
+						.tap("ConstPlugin", expr => {
+							if (parser.scope.isAsmJs) return;
+							if (!parser.state.module) return;
+							return ParserHelpers.evaluateToString(
+								getQuery(parser.state.module.resource)
+							)(expr);
+						});
+					parser.hooks.expression
+						.for("__resourceQuery")
+						.tap("ConstPlugin", () => {
+							if (parser.scope.isAsmJs) return;
+							if (!parser.state.module) return;
+							parser.state.current.addVariable(
+								"__resourceQuery",
+								JSON.stringify(getQuery(parser.state.module.resource))
+							);
+							return true;
+						});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ConstPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("ConstPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("ConstPlugin", handler);
+			}
+		);
+	}
+}
+
+module.exports = ConstPlugin;
diff --git a/node_modules/webpack/lib/ContextExclusionPlugin.js b/node_modules/webpack/lib/ContextExclusionPlugin.js
new file mode 100644
index 00000000..0b1dda0e
--- /dev/null
+++ b/node_modules/webpack/lib/ContextExclusionPlugin.js
@@ -0,0 +1,28 @@
+"use strict";
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./ContextModuleFactory")} ContextModuleFactory */
+
+class ContextExclusionPlugin {
+	/**
+	 * @param {RegExp} negativeMatcher Matcher regular expression
+	 */
+	constructor(negativeMatcher) {
+		this.negativeMatcher = negativeMatcher;
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler Webpack Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.contextModuleFactory.tap("ContextExclusionPlugin", cmf => {
+			cmf.hooks.contextModuleFiles.tap("ContextExclusionPlugin", files => {
+				return files.filter(filePath => !this.negativeMatcher.test(filePath));
+			});
+		});
+	}
+}
+
+module.exports = ContextExclusionPlugin;
diff --git a/node_modules/webpack/lib/ContextModule.js b/node_modules/webpack/lib/ContextModule.js
new file mode 100644
index 00000000..f7fae135
--- /dev/null
+++ b/node_modules/webpack/lib/ContextModule.js
@@ -0,0 +1,872 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const util = require("util");
+const { OriginalSource, RawSource } = require("webpack-sources");
+const Module = require("./Module");
+const AsyncDependenciesBlock = require("./AsyncDependenciesBlock");
+const Template = require("./Template");
+const contextify = require("./util/identifier").contextify;
+
+/** @typedef {"sync" | "eager" | "weak" | "async-weak" | "lazy" | "lazy-once"} ContextMode Context mode */
+/** @typedef {import("./dependencies/ContextElementDependency")} ContextElementDependency */
+
+/**
+ * @callback ResolveDependenciesCallback
+ * @param {Error=} err
+ * @param {ContextElementDependency[]} dependencies
+ */
+
+/**
+ * @callback ResolveDependencies
+ * @param {TODO} fs
+ * @param {TODO} options
+ * @param {ResolveDependenciesCallback} callback
+ */
+
+class ContextModule extends Module {
+	// type ContextMode = "sync" | "eager" | "weak" | "async-weak" | "lazy" | "lazy-once"
+	// type ContextOptions = { resource: string, recursive: boolean, regExp: RegExp, addon?: string, mode?: ContextMode, chunkName?: string, include?: RegExp, exclude?: RegExp, groupOptions?: Object }
+	// resolveDependencies: (fs: FS, options: ContextOptions, (err: Error?, dependencies: Dependency[]) => void) => void
+	// options: ContextOptions
+	/**
+	 * @param {ResolveDependencies} resolveDependencies function to get dependencies in this context
+	 * @param {TODO} options options object
+	 */
+	constructor(resolveDependencies, options) {
+		let resource;
+		let resourceQuery;
+		const queryIdx = options.resource.indexOf("?");
+		if (queryIdx >= 0) {
+			resource = options.resource.substr(0, queryIdx);
+			resourceQuery = options.resource.substr(queryIdx);
+		} else {
+			resource = options.resource;
+			resourceQuery = "";
+		}
+
+		super("javascript/dynamic", resource);
+
+		// Info from Factory
+		this.resolveDependencies = resolveDependencies;
+		this.options = Object.assign({}, options, {
+			resource: resource,
+			resourceQuery: resourceQuery
+		});
+		if (options.resolveOptions !== undefined) {
+			this.resolveOptions = options.resolveOptions;
+		}
+
+		// Info from Build
+		this._contextDependencies = new Set([this.context]);
+
+		if (typeof options.mode !== "string") {
+			throw new Error("options.mode is a required option");
+		}
+
+		this._identifier = this._createIdentifier();
+	}
+
+	updateCacheModule(module) {
+		this.resolveDependencies = module.resolveDependencies;
+		this.options = module.options;
+		this.resolveOptions = module.resolveOptions;
+	}
+
+	prettyRegExp(regexString) {
+		// remove the "/" at the front and the beginning
+		// "/foo/" -> "foo"
+		return regexString.substring(1, regexString.length - 1);
+	}
+
+	_createIdentifier() {
+		let identifier = this.context;
+		if (this.options.resourceQuery) {
+			identifier += ` ${this.options.resourceQuery}`;
+		}
+		if (this.options.mode) {
+			identifier += ` ${this.options.mode}`;
+		}
+		if (!this.options.recursive) {
+			identifier += " nonrecursive";
+		}
+		if (this.options.addon) {
+			identifier += ` ${this.options.addon}`;
+		}
+		if (this.options.regExp) {
+			identifier += ` ${this.options.regExp}`;
+		}
+		if (this.options.include) {
+			identifier += ` include: ${this.options.include}`;
+		}
+		if (this.options.exclude) {
+			identifier += ` exclude: ${this.options.exclude}`;
+		}
+		if (this.options.groupOptions) {
+			identifier += ` groupOptions: ${JSON.stringify(
+				this.options.groupOptions
+			)}`;
+		}
+		if (this.options.namespaceObject === "strict") {
+			identifier += " strict namespace object";
+		} else if (this.options.namespaceObject) {
+			identifier += " namespace object";
+		}
+
+		return identifier;
+	}
+
+	identifier() {
+		return this._identifier;
+	}
+
+	readableIdentifier(requestShortener) {
+		let identifier = requestShortener.shorten(this.context);
+		if (this.options.resourceQuery) {
+			identifier += ` ${this.options.resourceQuery}`;
+		}
+		if (this.options.mode) {
+			identifier += ` ${this.options.mode}`;
+		}
+		if (!this.options.recursive) {
+			identifier += " nonrecursive";
+		}
+		if (this.options.addon) {
+			identifier += ` ${requestShortener.shorten(this.options.addon)}`;
+		}
+		if (this.options.regExp) {
+			identifier += ` ${this.prettyRegExp(this.options.regExp + "")}`;
+		}
+		if (this.options.include) {
+			identifier += ` include: ${this.prettyRegExp(this.options.include + "")}`;
+		}
+		if (this.options.exclude) {
+			identifier += ` exclude: ${this.prettyRegExp(this.options.exclude + "")}`;
+		}
+		if (this.options.groupOptions) {
+			const groupOptions = this.options.groupOptions;
+			for (const key of Object.keys(groupOptions)) {
+				identifier += ` ${key}: ${groupOptions[key]}`;
+			}
+		}
+		if (this.options.namespaceObject === "strict") {
+			identifier += " strict namespace object";
+		} else if (this.options.namespaceObject) {
+			identifier += " namespace object";
+		}
+
+		return identifier;
+	}
+
+	libIdent(options) {
+		let identifier = contextify(options.context, this.context);
+		if (this.options.mode) {
+			identifier += ` ${this.options.mode}`;
+		}
+		if (this.options.recursive) {
+			identifier += " recursive";
+		}
+		if (this.options.addon) {
+			identifier += ` ${contextify(options.context, this.options.addon)}`;
+		}
+		if (this.options.regExp) {
+			identifier += ` ${this.prettyRegExp(this.options.regExp + "")}`;
+		}
+		if (this.options.include) {
+			identifier += ` include: ${this.prettyRegExp(this.options.include + "")}`;
+		}
+		if (this.options.exclude) {
+			identifier += ` exclude: ${this.prettyRegExp(this.options.exclude + "")}`;
+		}
+
+		return identifier;
+	}
+
+	needRebuild(fileTimestamps, contextTimestamps) {
+		const ts = contextTimestamps.get(this.context);
+		if (!ts) {
+			return true;
+		}
+
+		return ts >= this.buildInfo.builtTime;
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = {};
+		this.buildInfo = {
+			builtTime: Date.now(),
+			contextDependencies: this._contextDependencies
+		};
+		this.resolveDependencies(fs, this.options, (err, dependencies) => {
+			if (err) return callback(err);
+
+			// abort if something failed
+			// this will create an empty context
+			if (!dependencies) {
+				callback();
+				return;
+			}
+
+			// enhance dependencies with meta info
+			for (const dep of dependencies) {
+				dep.loc = {
+					name: dep.userRequest
+				};
+				dep.request = this.options.addon + dep.request;
+			}
+
+			if (this.options.mode === "sync" || this.options.mode === "eager") {
+				// if we have an sync or eager context
+				// just add all dependencies and continue
+				this.dependencies = dependencies;
+			} else if (this.options.mode === "lazy-once") {
+				// for the lazy-once mode create a new async dependency block
+				// and add that block to this context
+				if (dependencies.length > 0) {
+					const block = new AsyncDependenciesBlock(
+						Object.assign({}, this.options.groupOptions, {
+							name: this.options.chunkName
+						}),
+						this
+					);
+					for (const dep of dependencies) {
+						block.addDependency(dep);
+					}
+					this.addBlock(block);
+				}
+			} else if (
+				this.options.mode === "weak" ||
+				this.options.mode === "async-weak"
+			) {
+				// we mark all dependencies as weak
+				for (const dep of dependencies) {
+					dep.weak = true;
+				}
+				this.dependencies = dependencies;
+			} else if (this.options.mode === "lazy") {
+				// if we are lazy create a new async dependency block per dependency
+				// and add all blocks to this context
+				let index = 0;
+				for (const dep of dependencies) {
+					let chunkName = this.options.chunkName;
+					if (chunkName) {
+						if (!/\[(index|request)\]/.test(chunkName)) {
+							chunkName += "[index]";
+						}
+						chunkName = chunkName.replace(/\[index\]/g, index++);
+						chunkName = chunkName.replace(
+							/\[request\]/g,
+							Template.toPath(dep.userRequest)
+						);
+					}
+					const block = new AsyncDependenciesBlock(
+						Object.assign({}, this.options.groupOptions, {
+							name: chunkName
+						}),
+						dep.module,
+						dep.loc,
+						dep.userRequest
+					);
+					block.addDependency(dep);
+					this.addBlock(block);
+				}
+			} else {
+				callback(
+					new Error(`Unsupported mode "${this.options.mode}" in context`)
+				);
+				return;
+			}
+			callback();
+		});
+	}
+
+	getUserRequestMap(dependencies) {
+		// if we filter first we get a new array
+		// therefor we dont need to create a clone of dependencies explicitly
+		// therefore the order of this is !important!
+		return dependencies
+			.filter(dependency => dependency.module)
+			.sort((a, b) => {
+				if (a.userRequest === b.userRequest) {
+					return 0;
+				}
+				return a.userRequest < b.userRequest ? -1 : 1;
+			})
+			.reduce((map, dep) => {
+				map[dep.userRequest] = dep.module.id;
+				return map;
+			}, Object.create(null));
+	}
+
+	getFakeMap(dependencies) {
+		if (!this.options.namespaceObject) {
+			return 9;
+		}
+		// if we filter first we get a new array
+		// therefor we dont need to create a clone of dependencies explicitly
+		// therefore the order of this is !important!
+		let hasNonHarmony = false;
+		let hasNamespace = false;
+		let hasNamed = false;
+		const fakeMap = dependencies
+			.filter(dependency => dependency.module)
+			.sort((a, b) => {
+				return b.module.id - a.module.id;
+			})
+			.reduce((map, dep) => {
+				const exportsType =
+					dep.module.buildMeta && dep.module.buildMeta.exportsType;
+				const id = dep.module.id;
+				if (!exportsType) {
+					map[id] = this.options.namespaceObject === "strict" ? 1 : 7;
+					hasNonHarmony = true;
+				} else if (exportsType === "namespace") {
+					map[id] = 9;
+					hasNamespace = true;
+				} else if (exportsType === "named") {
+					map[id] = 3;
+					hasNamed = true;
+				}
+				return map;
+			}, Object.create(null));
+		if (!hasNamespace && hasNonHarmony && !hasNamed) {
+			return this.options.namespaceObject === "strict" ? 1 : 7;
+		}
+		if (hasNamespace && !hasNonHarmony && !hasNamed) {
+			return 9;
+		}
+		if (!hasNamespace && !hasNonHarmony && hasNamed) {
+			return 3;
+		}
+		if (!hasNamespace && !hasNonHarmony && !hasNamed) {
+			return 9;
+		}
+		return fakeMap;
+	}
+
+	getFakeMapInitStatement(fakeMap) {
+		return typeof fakeMap === "object"
+			? `var fakeMap = ${JSON.stringify(fakeMap, null, "\t")};`
+			: "";
+	}
+
+	getReturn(type) {
+		if (type === 9) {
+			return "__webpack_require__(id)";
+		}
+		return `__webpack_require__.t(id, ${type})`;
+	}
+
+	getReturnModuleObjectSource(fakeMap, fakeMapDataExpression = "fakeMap[id]") {
+		if (typeof fakeMap === "number") {
+			return `return ${this.getReturn(fakeMap)};`;
+		}
+		return `return __webpack_require__.t(id, ${fakeMapDataExpression})`;
+	}
+
+	getSyncSource(dependencies, id) {
+		const map = this.getUserRequestMap(dependencies);
+		const fakeMap = this.getFakeMap(dependencies);
+		const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
+
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackContext(req) {
+	var id = webpackContextResolve(req);
+	${returnModuleObject}
+}
+function webpackContextResolve(req) {
+	if(!__webpack_require__.o(map, req)) {
+		var e = new Error("Cannot find module '" + req + "'");
+		e.code = 'MODULE_NOT_FOUND';
+		throw e;
+	}
+	return map[req];
+}
+webpackContext.keys = function webpackContextKeys() {
+	return Object.keys(map);
+};
+webpackContext.resolve = webpackContextResolve;
+module.exports = webpackContext;
+webpackContext.id = ${JSON.stringify(id)};`;
+	}
+
+	getWeakSyncSource(dependencies, id) {
+		const map = this.getUserRequestMap(dependencies);
+		const fakeMap = this.getFakeMap(dependencies);
+		const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
+
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackContext(req) {
+	var id = webpackContextResolve(req);
+	if(!__webpack_require__.m[id]) {
+		var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
+		e.code = 'MODULE_NOT_FOUND';
+		throw e;
+	}
+	${returnModuleObject}
+}
+function webpackContextResolve(req) {
+	if(!__webpack_require__.o(map, req)) {
+		var e = new Error("Cannot find module '" + req + "'");
+		e.code = 'MODULE_NOT_FOUND';
+		throw e;
+	}
+	return map[req];
+}
+webpackContext.keys = function webpackContextKeys() {
+	return Object.keys(map);
+};
+webpackContext.resolve = webpackContextResolve;
+webpackContext.id = ${JSON.stringify(id)};
+module.exports = webpackContext;`;
+	}
+
+	getAsyncWeakSource(dependencies, id) {
+		const map = this.getUserRequestMap(dependencies);
+		const fakeMap = this.getFakeMap(dependencies);
+		const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
+
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+	return webpackAsyncContextResolve(req).then(function(id) {
+		if(!__webpack_require__.m[id]) {
+			var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		}
+		${returnModuleObject}
+	});
+}
+function webpackAsyncContextResolve(req) {
+	// Here Promise.resolve().then() is used instead of new Promise() to prevent
+	// uncaught exception popping up in devtools
+	return Promise.resolve().then(function() {
+		if(!__webpack_require__.o(map, req)) {
+			var e = new Error("Cannot find module '" + req + "'");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		}
+		return map[req];
+	});
+}
+webpackAsyncContext.keys = function webpackAsyncContextKeys() {
+	return Object.keys(map);
+};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+	}
+
+	getEagerSource(dependencies, id) {
+		const map = this.getUserRequestMap(dependencies);
+		const fakeMap = this.getFakeMap(dependencies);
+		const thenFunction =
+			fakeMap !== 9
+				? `function(id) {
+		${this.getReturnModuleObjectSource(fakeMap)}
+	}`
+				: "__webpack_require__";
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+	return webpackAsyncContextResolve(req).then(${thenFunction});
+}
+function webpackAsyncContextResolve(req) {
+	// Here Promise.resolve().then() is used instead of new Promise() to prevent
+	// uncaught exception popping up in devtools
+	return Promise.resolve().then(function() {
+		if(!__webpack_require__.o(map, req)) {
+			var e = new Error("Cannot find module '" + req + "'");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		}
+		return map[req];
+	});
+}
+webpackAsyncContext.keys = function webpackAsyncContextKeys() {
+	return Object.keys(map);
+};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+	}
+
+	getLazyOnceSource(block, dependencies, id, runtimeTemplate) {
+		const promise = runtimeTemplate.blockPromise({
+			block,
+			message: "lazy-once context"
+		});
+		const map = this.getUserRequestMap(dependencies);
+		const fakeMap = this.getFakeMap(dependencies);
+		const thenFunction =
+			fakeMap !== 9
+				? `function(id) {
+		${this.getReturnModuleObjectSource(fakeMap)};
+	}`
+				: "__webpack_require__";
+
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+	return webpackAsyncContextResolve(req).then(${thenFunction});
+}
+function webpackAsyncContextResolve(req) {
+	return ${promise}.then(function() {
+		if(!__webpack_require__.o(map, req)) {
+			var e = new Error("Cannot find module '" + req + "'");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		}
+		return map[req];
+	});
+}
+webpackAsyncContext.keys = function webpackAsyncContextKeys() {
+	return Object.keys(map);
+};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+	}
+
+	getLazySource(blocks, id) {
+		let hasMultipleOrNoChunks = false;
+		let hasNoChunk = true;
+		const fakeMap = this.getFakeMap(blocks.map(b => b.dependencies[0]));
+		const hasFakeMap = typeof fakeMap === "object";
+		const map = blocks
+			.filter(block => block.dependencies[0].module)
+			.map(block => {
+				const chunks = block.chunkGroup ? block.chunkGroup.chunks : [];
+				if (chunks.length > 0) {
+					hasNoChunk = false;
+				}
+				if (chunks.length !== 1) {
+					hasMultipleOrNoChunks = true;
+				}
+				return {
+					dependency: block.dependencies[0],
+					block: block,
+					userRequest: block.dependencies[0].userRequest,
+					chunks
+				};
+			})
+			.sort((a, b) => {
+				if (a.userRequest === b.userRequest) return 0;
+				return a.userRequest < b.userRequest ? -1 : 1;
+			})
+			.reduce((map, item) => {
+				const chunks = item.chunks;
+
+				if (hasNoChunk && !hasFakeMap) {
+					map[item.userRequest] = item.dependency.module.id;
+				} else {
+					const arrayStart = [item.dependency.module.id];
+					if (typeof fakeMap === "object") {
+						arrayStart.push(fakeMap[item.dependency.module.id]);
+					}
+					map[item.userRequest] = arrayStart.concat(
+						chunks.map(chunk => chunk.id)
+					);
+				}
+
+				return map;
+			}, Object.create(null));
+
+		const shortMode = hasNoChunk && !hasFakeMap;
+		const chunksStartPosition = hasFakeMap ? 2 : 1;
+		const requestPrefix = hasNoChunk
+			? "Promise.resolve()"
+			: hasMultipleOrNoChunks
+			? `Promise.all(ids.slice(${chunksStartPosition}).map(__webpack_require__.e))`
+			: `__webpack_require__.e(ids[${chunksStartPosition}])`;
+		const returnModuleObject = this.getReturnModuleObjectSource(
+			fakeMap,
+			shortMode ? "invalid" : "ids[1]"
+		);
+
+		const webpackAsyncContext =
+			requestPrefix === "Promise.resolve()"
+				? `${shortMode ? "" : ""}
+function webpackAsyncContext(req) {
+	return Promise.resolve().then(function() {
+		if(!__webpack_require__.o(map, req)) {
+			var e = new Error("Cannot find module '" + req + "'");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		}
+
+		${shortMode ? "var id = map[req];" : "var ids = map[req], id = ids[0];"}
+		${returnModuleObject}
+	});
+}`
+				: `function webpackAsyncContext(req) {
+	if(!__webpack_require__.o(map, req)) {
+		return Promise.resolve().then(function() {
+			var e = new Error("Cannot find module '" + req + "'");
+			e.code = 'MODULE_NOT_FOUND';
+			throw e;
+		});
+	}
+
+	var ids = map[req], id = ids[0];
+	return ${requestPrefix}.then(function() {
+		${returnModuleObject}
+	});
+}`;
+
+		return `var map = ${JSON.stringify(map, null, "\t")};
+${webpackAsyncContext}
+webpackAsyncContext.keys = function webpackAsyncContextKeys() {
+	return Object.keys(map);
+};
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+	}
+
+	getSourceForEmptyContext(id) {
+		return `function webpackEmptyContext(req) {
+	var e = new Error("Cannot find module '" + req + "'");
+	e.code = 'MODULE_NOT_FOUND';
+	throw e;
+}
+webpackEmptyContext.keys = function() { return []; };
+webpackEmptyContext.resolve = webpackEmptyContext;
+module.exports = webpackEmptyContext;
+webpackEmptyContext.id = ${JSON.stringify(id)};`;
+	}
+
+	getSourceForEmptyAsyncContext(id) {
+		return `function webpackEmptyAsyncContext(req) {
+	// Here Promise.resolve().then() is used instead of new Promise() to prevent
+	// uncaught exception popping up in devtools
+	return Promise.resolve().then(function() {
+		var e = new Error("Cannot find module '" + req + "'");
+		e.code = 'MODULE_NOT_FOUND';
+		throw e;
+	});
+}
+webpackEmptyAsyncContext.keys = function() { return []; };
+webpackEmptyAsyncContext.resolve = webpackEmptyAsyncContext;
+module.exports = webpackEmptyAsyncContext;
+webpackEmptyAsyncContext.id = ${JSON.stringify(id)};`;
+	}
+
+	getSourceString(asyncMode, runtimeTemplate) {
+		if (asyncMode === "lazy") {
+			if (this.blocks && this.blocks.length > 0) {
+				return this.getLazySource(this.blocks, this.id);
+			}
+			return this.getSourceForEmptyAsyncContext(this.id);
+		}
+		if (asyncMode === "eager") {
+			if (this.dependencies && this.dependencies.length > 0) {
+				return this.getEagerSource(this.dependencies, this.id);
+			}
+			return this.getSourceForEmptyAsyncContext(this.id);
+		}
+		if (asyncMode === "lazy-once") {
+			const block = this.blocks[0];
+			if (block) {
+				return this.getLazyOnceSource(
+					block,
+					block.dependencies,
+					this.id,
+					runtimeTemplate
+				);
+			}
+			return this.getSourceForEmptyAsyncContext(this.id);
+		}
+		if (asyncMode === "async-weak") {
+			if (this.dependencies && this.dependencies.length > 0) {
+				return this.getAsyncWeakSource(this.dependencies, this.id);
+			}
+			return this.getSourceForEmptyAsyncContext(this.id);
+		}
+		if (asyncMode === "weak") {
+			if (this.dependencies && this.dependencies.length > 0) {
+				return this.getWeakSyncSource(this.dependencies, this.id);
+			}
+		}
+		if (this.dependencies && this.dependencies.length > 0) {
+			return this.getSyncSource(this.dependencies, this.id);
+		}
+		return this.getSourceForEmptyContext(this.id);
+	}
+
+	getSource(sourceString) {
+		if (this.useSourceMap) {
+			return new OriginalSource(sourceString, this.identifier());
+		}
+		return new RawSource(sourceString);
+	}
+
+	source(dependencyTemplates, runtimeTemplate) {
+		return this.getSource(
+			this.getSourceString(this.options.mode, runtimeTemplate)
+		);
+	}
+
+	size() {
+		// base penalty
+		const initialSize = 160;
+
+		// if we dont have dependencies we stop here.
+		return this.dependencies.reduce((size, dependency) => {
+			const element = /** @type {ContextElementDependency} */ (dependency);
+			return size + 5 + element.userRequest.length;
+		}, initialSize);
+	}
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextModule.prototype, "recursive", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @returns {boolean} is recursive
+		 */
+		function() {
+			return this.options.recursive;
+		},
+		"ContextModule.recursive has been moved to ContextModule.options.recursive"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @param {boolean} value is recursive
+		 * @returns {void}
+		 */
+		function(value) {
+			this.options.recursive = value;
+		},
+		"ContextModule.recursive has been moved to ContextModule.options.recursive"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextModule.prototype, "regExp", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @returns {RegExp} regular expression
+		 */
+		function() {
+			return this.options.regExp;
+		},
+		"ContextModule.regExp has been moved to ContextModule.options.regExp"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @param {RegExp} value Regular expression
+		 * @returns {void}
+		 */
+		function(value) {
+			this.options.regExp = value;
+		},
+		"ContextModule.regExp has been moved to ContextModule.options.regExp"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextModule.prototype, "addon", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @returns {string} addon
+		 */
+		function() {
+			return this.options.addon;
+		},
+		"ContextModule.addon has been moved to ContextModule.options.addon"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @param {string} value addon
+		 * @returns {void}
+		 */
+		function(value) {
+			this.options.addon = value;
+		},
+		"ContextModule.addon has been moved to ContextModule.options.addon"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextModule.prototype, "async", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @returns {boolean} is async
+		 */
+		function() {
+			return this.options.mode;
+		},
+		"ContextModule.async has been moved to ContextModule.options.mode"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @param {ContextMode} value Context mode
+		 * @returns {void}
+		 */
+		function(value) {
+			this.options.mode = value;
+		},
+		"ContextModule.async has been moved to ContextModule.options.mode"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextModule.prototype, "chunkName", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @returns {string} chunk name
+		 */
+		function() {
+			return this.options.chunkName;
+		},
+		"ContextModule.chunkName has been moved to ContextModule.options.chunkName"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @this {ContextModule}
+		 * @param {string} value chunk name
+		 * @returns {void}
+		 */
+		function(value) {
+			this.options.chunkName = value;
+		},
+		"ContextModule.chunkName has been moved to ContextModule.options.chunkName"
+	)
+});
+
+module.exports = ContextModule;
diff --git a/node_modules/webpack/lib/ContextModuleFactory.js b/node_modules/webpack/lib/ContextModuleFactory.js
new file mode 100644
index 00000000..f5941128
--- /dev/null
+++ b/node_modules/webpack/lib/ContextModuleFactory.js
@@ -0,0 +1,262 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const asyncLib = require("neo-async");
+const path = require("path");
+
+const {
+	Tapable,
+	AsyncSeriesWaterfallHook,
+	SyncWaterfallHook
+} = require("tapable");
+const ContextModule = require("./ContextModule");
+const ContextElementDependency = require("./dependencies/ContextElementDependency");
+
+/** @typedef {import("./Module")} Module */
+
+const EMPTY_RESOLVE_OPTIONS = {};
+
+module.exports = class ContextModuleFactory extends Tapable {
+	constructor(resolverFactory) {
+		super();
+		this.hooks = {
+			/** @type {AsyncSeriesWaterfallHook<TODO>} */
+			beforeResolve: new AsyncSeriesWaterfallHook(["data"]),
+			/** @type {AsyncSeriesWaterfallHook<TODO>} */
+			afterResolve: new AsyncSeriesWaterfallHook(["data"]),
+			/** @type {SyncWaterfallHook<string[]>} */
+			contextModuleFiles: new SyncWaterfallHook(["files"]),
+			/** @type {SyncWaterfallHook<TODO[]>} */
+			alternatives: new AsyncSeriesWaterfallHook(["modules"])
+		};
+		this._pluginCompat.tap("ContextModuleFactory", options => {
+			switch (options.name) {
+				case "before-resolve":
+				case "after-resolve":
+				case "alternatives":
+					options.async = true;
+					break;
+			}
+		});
+		this.resolverFactory = resolverFactory;
+	}
+
+	create(data, callback) {
+		const context = data.context;
+		const dependencies = data.dependencies;
+		const resolveOptions = data.resolveOptions;
+		const dependency = dependencies[0];
+		this.hooks.beforeResolve.callAsync(
+			Object.assign(
+				{
+					context: context,
+					dependencies: dependencies,
+					resolveOptions
+				},
+				dependency.options
+			),
+			(err, beforeResolveResult) => {
+				if (err) return callback(err);
+
+				// Ignored
+				if (!beforeResolveResult) return callback();
+
+				const context = beforeResolveResult.context;
+				const request = beforeResolveResult.request;
+				const resolveOptions = beforeResolveResult.resolveOptions;
+
+				let loaders,
+					resource,
+					loadersPrefix = "";
+				const idx = request.lastIndexOf("!");
+				if (idx >= 0) {
+					let loadersRequest = request.substr(0, idx + 1);
+					let i;
+					for (
+						i = 0;
+						i < loadersRequest.length && loadersRequest[i] === "!";
+						i++
+					) {
+						loadersPrefix += "!";
+					}
+					loadersRequest = loadersRequest
+						.substr(i)
+						.replace(/!+$/, "")
+						.replace(/!!+/g, "!");
+					if (loadersRequest === "") {
+						loaders = [];
+					} else {
+						loaders = loadersRequest.split("!");
+					}
+					resource = request.substr(idx + 1);
+				} else {
+					loaders = [];
+					resource = request;
+				}
+
+				const contextResolver = this.resolverFactory.get(
+					"context",
+					resolveOptions || EMPTY_RESOLVE_OPTIONS
+				);
+				const loaderResolver = this.resolverFactory.get(
+					"loader",
+					EMPTY_RESOLVE_OPTIONS
+				);
+
+				asyncLib.parallel(
+					[
+						callback => {
+							contextResolver.resolve(
+								{},
+								context,
+								resource,
+								{},
+								(err, result) => {
+									if (err) return callback(err);
+									callback(null, result);
+								}
+							);
+						},
+						callback => {
+							asyncLib.map(
+								loaders,
+								(loader, callback) => {
+									loaderResolver.resolve(
+										{},
+										context,
+										loader,
+										{},
+										(err, result) => {
+											if (err) return callback(err);
+											callback(null, result);
+										}
+									);
+								},
+								callback
+							);
+						}
+					],
+					(err, result) => {
+						if (err) return callback(err);
+
+						this.hooks.afterResolve.callAsync(
+							Object.assign(
+								{
+									addon:
+										loadersPrefix +
+										result[1].join("!") +
+										(result[1].length > 0 ? "!" : ""),
+									resource: result[0],
+									resolveDependencies: this.resolveDependencies.bind(this)
+								},
+								beforeResolveResult
+							),
+							(err, result) => {
+								if (err) return callback(err);
+
+								// Ignored
+								if (!result) return callback();
+
+								return callback(
+									null,
+									new ContextModule(result.resolveDependencies, result)
+								);
+							}
+						);
+					}
+				);
+			}
+		);
+	}
+
+	resolveDependencies(fs, options, callback) {
+		const cmf = this;
+		let resource = options.resource;
+		let resourceQuery = options.resourceQuery;
+		let recursive = options.recursive;
+		let regExp = options.regExp;
+		let include = options.include;
+		let exclude = options.exclude;
+		if (!regExp || !resource) return callback(null, []);
+
+		const addDirectory = (directory, callback) => {
+			fs.readdir(directory, (err, files) => {
+				if (err) return callback(err);
+				files = cmf.hooks.contextModuleFiles.call(files);
+				if (!files || files.length === 0) return callback(null, []);
+				asyncLib.map(
+					files.filter(p => p.indexOf(".") !== 0),
+					(segment, callback) => {
+						const subResource = path.join(directory, segment);
+
+						if (!exclude || !subResource.match(exclude)) {
+							fs.stat(subResource, (err, stat) => {
+								if (err) {
+									if (err.code === "ENOENT") {
+										// ENOENT is ok here because the file may have been deleted between
+										// the readdir and stat calls.
+										return callback();
+									} else {
+										return callback(err);
+									}
+								}
+
+								if (stat.isDirectory()) {
+									if (!recursive) return callback();
+									addDirectory.call(this, subResource, callback);
+								} else if (
+									stat.isFile() &&
+									(!include || subResource.match(include))
+								) {
+									const obj = {
+										context: resource,
+										request:
+											"." +
+											subResource.substr(resource.length).replace(/\\/g, "/")
+									};
+
+									this.hooks.alternatives.callAsync(
+										[obj],
+										(err, alternatives) => {
+											if (err) return callback(err);
+											alternatives = alternatives
+												.filter(obj => regExp.test(obj.request))
+												.map(obj => {
+													const dep = new ContextElementDependency(
+														obj.request + resourceQuery,
+														obj.request
+													);
+													dep.optional = true;
+													return dep;
+												});
+											callback(null, alternatives);
+										}
+									);
+								} else {
+									callback();
+								}
+							});
+						} else {
+							callback();
+						}
+					},
+					(err, result) => {
+						if (err) return callback(err);
+
+						if (!result) return callback(null, []);
+
+						callback(
+							null,
+							result.filter(Boolean).reduce((a, i) => a.concat(i), [])
+						);
+					}
+				);
+			});
+		};
+
+		addDirectory(resource, callback);
+	}
+};
diff --git a/node_modules/webpack/lib/ContextReplacementPlugin.js b/node_modules/webpack/lib/ContextReplacementPlugin.js
new file mode 100644
index 00000000..5523c8ab
--- /dev/null
+++ b/node_modules/webpack/lib/ContextReplacementPlugin.js
@@ -0,0 +1,133 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const ContextElementDependency = require("./dependencies/ContextElementDependency");
+
+class ContextReplacementPlugin {
+	constructor(
+		resourceRegExp,
+		newContentResource,
+		newContentRecursive,
+		newContentRegExp
+	) {
+		this.resourceRegExp = resourceRegExp;
+
+		if (typeof newContentResource === "function") {
+			this.newContentCallback = newContentResource;
+		} else if (
+			typeof newContentResource === "string" &&
+			typeof newContentRecursive === "object"
+		) {
+			this.newContentResource = newContentResource;
+			this.newContentCreateContextMap = (fs, callback) => {
+				callback(null, newContentRecursive);
+			};
+		} else if (
+			typeof newContentResource === "string" &&
+			typeof newContentRecursive === "function"
+		) {
+			this.newContentResource = newContentResource;
+			this.newContentCreateContextMap = newContentRecursive;
+		} else {
+			if (typeof newContentResource !== "string") {
+				newContentRegExp = newContentRecursive;
+				newContentRecursive = newContentResource;
+				newContentResource = undefined;
+			}
+			if (typeof newContentRecursive !== "boolean") {
+				newContentRegExp = newContentRecursive;
+				newContentRecursive = undefined;
+			}
+			this.newContentResource = newContentResource;
+			this.newContentRecursive = newContentRecursive;
+			this.newContentRegExp = newContentRegExp;
+		}
+	}
+
+	apply(compiler) {
+		const resourceRegExp = this.resourceRegExp;
+		const newContentCallback = this.newContentCallback;
+		const newContentResource = this.newContentResource;
+		const newContentRecursive = this.newContentRecursive;
+		const newContentRegExp = this.newContentRegExp;
+		const newContentCreateContextMap = this.newContentCreateContextMap;
+
+		compiler.hooks.contextModuleFactory.tap("ContextReplacementPlugin", cmf => {
+			cmf.hooks.beforeResolve.tap("ContextReplacementPlugin", result => {
+				if (!result) return;
+				if (resourceRegExp.test(result.request)) {
+					if (newContentResource !== undefined) {
+						result.request = newContentResource;
+					}
+					if (newContentRecursive !== undefined) {
+						result.recursive = newContentRecursive;
+					}
+					if (newContentRegExp !== undefined) {
+						result.regExp = newContentRegExp;
+					}
+					if (typeof newContentCallback === "function") {
+						newContentCallback(result);
+					} else {
+						for (const d of result.dependencies) {
+							if (d.critical) d.critical = false;
+						}
+					}
+				}
+				return result;
+			});
+			cmf.hooks.afterResolve.tap("ContextReplacementPlugin", result => {
+				if (!result) return;
+				if (resourceRegExp.test(result.resource)) {
+					if (newContentResource !== undefined) {
+						result.resource = path.resolve(result.resource, newContentResource);
+					}
+					if (newContentRecursive !== undefined) {
+						result.recursive = newContentRecursive;
+					}
+					if (newContentRegExp !== undefined) {
+						result.regExp = newContentRegExp;
+					}
+					if (typeof newContentCreateContextMap === "function") {
+						result.resolveDependencies = createResolveDependenciesFromContextMap(
+							newContentCreateContextMap
+						);
+					}
+					if (typeof newContentCallback === "function") {
+						const origResource = result.resource;
+						newContentCallback(result);
+						if (result.resource !== origResource) {
+							result.resource = path.resolve(origResource, result.resource);
+						}
+					} else {
+						for (const d of result.dependencies) {
+							if (d.critical) d.critical = false;
+						}
+					}
+				}
+				return result;
+			});
+		});
+	}
+}
+
+const createResolveDependenciesFromContextMap = createContextMap => {
+	const resolveDependenciesFromContextMap = (fs, options, callback) => {
+		createContextMap(fs, (err, map) => {
+			if (err) return callback(err);
+			const dependencies = Object.keys(map).map(key => {
+				return new ContextElementDependency(
+					map[key] + options.resourceQuery,
+					key
+				);
+			});
+			callback(null, dependencies);
+		});
+	};
+	return resolveDependenciesFromContextMap;
+};
+
+module.exports = ContextReplacementPlugin;
diff --git a/node_modules/webpack/lib/DefinePlugin.js b/node_modules/webpack/lib/DefinePlugin.js
new file mode 100644
index 00000000..ceb4c84d
--- /dev/null
+++ b/node_modules/webpack/lib/DefinePlugin.js
@@ -0,0 +1,289 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConstDependency = require("./dependencies/ConstDependency");
+const BasicEvaluatedExpression = require("./BasicEvaluatedExpression");
+const ParserHelpers = require("./ParserHelpers");
+const NullFactory = require("./NullFactory");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Parser")} Parser */
+/** @typedef {null|undefined|RegExp|Function|string|number} CodeValuePrimitive */
+/** @typedef {CodeValuePrimitive|Record<string, CodeValuePrimitive>|RuntimeValue} CodeValue */
+
+class RuntimeValue {
+	constructor(fn, fileDependencies) {
+		this.fn = fn;
+		this.fileDependencies = fileDependencies || [];
+	}
+
+	exec(parser) {
+		if (this.fileDependencies === true) {
+			parser.state.module.buildInfo.cacheable = false;
+		} else {
+			for (const fileDependency of this.fileDependencies) {
+				parser.state.module.buildInfo.fileDependencies.add(fileDependency);
+			}
+		}
+
+		return this.fn({ module: parser.state.module });
+	}
+}
+
+const stringifyObj = (obj, parser) => {
+	return (
+		"Object({" +
+		Object.keys(obj)
+			.map(key => {
+				const code = obj[key];
+				return JSON.stringify(key) + ":" + toCode(code, parser);
+			})
+			.join(",") +
+		"})"
+	);
+};
+
+/**
+ * Convert code to a string that evaluates
+ * @param {CodeValue} code Code to evaluate
+ * @param {Parser} parser Parser
+ * @returns {string} code converted to string that evaluates
+ */
+const toCode = (code, parser) => {
+	if (code === null) {
+		return "null";
+	}
+	if (code === undefined) {
+		return "undefined";
+	}
+	if (code instanceof RuntimeValue) {
+		return toCode(code.exec(parser), parser);
+	}
+	if (code instanceof RegExp && code.toString) {
+		return code.toString();
+	}
+	if (typeof code === "function" && code.toString) {
+		return "(" + code.toString() + ")";
+	}
+	if (typeof code === "object") {
+		return stringifyObj(code, parser);
+	}
+	return code + "";
+};
+
+class DefinePlugin {
+	/**
+	 * Create a new define plugin
+	 * @param {Record<string, CodeValue>} definitions A map of global object definitions
+	 */
+	constructor(definitions) {
+		this.definitions = definitions;
+	}
+
+	static runtimeValue(fn, fileDependencies) {
+		return new RuntimeValue(fn, fileDependencies);
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler Webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const definitions = this.definitions;
+		compiler.hooks.compilation.tap(
+			"DefinePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				/**
+				 * Handler
+				 * @param {Parser} parser Parser
+				 * @returns {void}
+				 */
+				const handler = parser => {
+					/**
+					 * Walk definitions
+					 * @param {Object} definitions Definitions map
+					 * @param {string} prefix Prefix string
+					 * @returns {void}
+					 */
+					const walkDefinitions = (definitions, prefix) => {
+						Object.keys(definitions).forEach(key => {
+							const code = definitions[key];
+							if (
+								code &&
+								typeof code === "object" &&
+								!(code instanceof RuntimeValue) &&
+								!(code instanceof RegExp)
+							) {
+								walkDefinitions(code, prefix + key + ".");
+								applyObjectDefine(prefix + key, code);
+								return;
+							}
+							applyDefineKey(prefix, key);
+							applyDefine(prefix + key, code);
+						});
+					};
+
+					/**
+					 * Apply define key
+					 * @param {string} prefix Prefix
+					 * @param {string} key Key
+					 * @returns {void}
+					 */
+					const applyDefineKey = (prefix, key) => {
+						const splittedKey = key.split(".");
+						splittedKey.slice(1).forEach((_, i) => {
+							const fullKey = prefix + splittedKey.slice(0, i + 1).join(".");
+							parser.hooks.canRename
+								.for(fullKey)
+								.tap("DefinePlugin", ParserHelpers.approve);
+						});
+					};
+
+					/**
+					 * Apply Code
+					 * @param {string} key Key
+					 * @param {CodeValue} code Code
+					 * @returns {void}
+					 */
+					const applyDefine = (key, code) => {
+						const isTypeof = /^typeof\s+/.test(key);
+						if (isTypeof) key = key.replace(/^typeof\s+/, "");
+						let recurse = false;
+						let recurseTypeof = false;
+						if (!isTypeof) {
+							parser.hooks.canRename
+								.for(key)
+								.tap("DefinePlugin", ParserHelpers.approve);
+							parser.hooks.evaluateIdentifier
+								.for(key)
+								.tap("DefinePlugin", expr => {
+									/**
+									 * this is needed in case there is a recursion in the DefinePlugin
+									 * to prevent an endless recursion
+									 * e.g.: new DefinePlugin({
+									 * "a": "b",
+									 * "b": "a"
+									 * });
+									 */
+									if (recurse) return;
+									recurse = true;
+									const res = parser.evaluate(toCode(code, parser));
+									recurse = false;
+									res.setRange(expr.range);
+									return res;
+								});
+							parser.hooks.expression.for(key).tap("DefinePlugin", expr => {
+								const strCode = toCode(code, parser);
+								if (/__webpack_require__/.test(strCode)) {
+									return ParserHelpers.toConstantDependencyWithWebpackRequire(
+										parser,
+										strCode
+									)(expr);
+								} else {
+									return ParserHelpers.toConstantDependency(
+										parser,
+										strCode
+									)(expr);
+								}
+							});
+						}
+						parser.hooks.evaluateTypeof.for(key).tap("DefinePlugin", expr => {
+							/**
+							 * this is needed in case there is a recursion in the DefinePlugin
+							 * to prevent an endless recursion
+							 * e.g.: new DefinePlugin({
+							 * "typeof a": "typeof b",
+							 * "typeof b": "typeof a"
+							 * });
+							 */
+							if (recurseTypeof) return;
+							recurseTypeof = true;
+							const typeofCode = isTypeof
+								? toCode(code, parser)
+								: "typeof (" + toCode(code, parser) + ")";
+							const res = parser.evaluate(typeofCode);
+							recurseTypeof = false;
+							res.setRange(expr.range);
+							return res;
+						});
+						parser.hooks.typeof.for(key).tap("DefinePlugin", expr => {
+							const typeofCode = isTypeof
+								? toCode(code, parser)
+								: "typeof (" + toCode(code, parser) + ")";
+							const res = parser.evaluate(typeofCode);
+							if (!res.isString()) return;
+							return ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify(res.string)
+							).bind(parser)(expr);
+						});
+					};
+
+					/**
+					 * Apply Object
+					 * @param {string} key Key
+					 * @param {Object} obj Object
+					 * @returns {void}
+					 */
+					const applyObjectDefine = (key, obj) => {
+						parser.hooks.canRename
+							.for(key)
+							.tap("DefinePlugin", ParserHelpers.approve);
+						parser.hooks.evaluateIdentifier
+							.for(key)
+							.tap("DefinePlugin", expr =>
+								new BasicEvaluatedExpression().setTruthy().setRange(expr.range)
+							);
+						parser.hooks.evaluateTypeof.for(key).tap("DefinePlugin", expr => {
+							return ParserHelpers.evaluateToString("object")(expr);
+						});
+						parser.hooks.expression.for(key).tap("DefinePlugin", expr => {
+							const strCode = stringifyObj(obj, parser);
+
+							if (/__webpack_require__/.test(strCode)) {
+								return ParserHelpers.toConstantDependencyWithWebpackRequire(
+									parser,
+									strCode
+								)(expr);
+							} else {
+								return ParserHelpers.toConstantDependency(
+									parser,
+									strCode
+								)(expr);
+							}
+						});
+						parser.hooks.typeof.for(key).tap("DefinePlugin", expr => {
+							return ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("object")
+							)(expr);
+						});
+					};
+
+					walkDefinitions(definitions, "");
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("DefinePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("DefinePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("DefinePlugin", handler);
+			}
+		);
+	}
+}
+module.exports = DefinePlugin;
diff --git a/node_modules/webpack/lib/DelegatedModule.js b/node_modules/webpack/lib/DelegatedModule.js
new file mode 100644
index 00000000..170ceca7
--- /dev/null
+++ b/node_modules/webpack/lib/DelegatedModule.js
@@ -0,0 +1,114 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { OriginalSource, RawSource } = require("webpack-sources");
+
+const Module = require("./Module");
+const WebpackMissingModule = require("./dependencies/WebpackMissingModule");
+const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
+const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
+
+/** @typedef {import("./dependencies/ModuleDependency")} ModuleDependency */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+class DelegatedModule extends Module {
+	constructor(sourceRequest, data, type, userRequest, originalRequest) {
+		super("javascript/dynamic", null);
+
+		// Info from Factory
+		this.sourceRequest = sourceRequest;
+		this.request = data.id;
+		this.type = type;
+		this.userRequest = userRequest;
+		this.originalRequest = originalRequest;
+		this.delegateData = data;
+
+		// Build info
+		this.delegatedSourceDependency = undefined;
+	}
+
+	libIdent(options) {
+		return typeof this.originalRequest === "string"
+			? this.originalRequest
+			: this.originalRequest.libIdent(options);
+	}
+
+	identifier() {
+		return `delegated ${JSON.stringify(this.request)} from ${
+			this.sourceRequest
+		}`;
+	}
+
+	readableIdentifier() {
+		return `delegated ${this.userRequest} from ${this.sourceRequest}`;
+	}
+
+	needRebuild() {
+		return false;
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = Object.assign({}, this.delegateData.buildMeta);
+		this.buildInfo = {};
+		this.delegatedSourceDependency = new DelegatedSourceDependency(
+			this.sourceRequest
+		);
+		this.addDependency(this.delegatedSourceDependency);
+		this.addDependency(
+			new DelegatedExportsDependency(this, this.delegateData.exports || true)
+		);
+		callback();
+	}
+
+	source(depTemplates, runtime) {
+		const dep = /** @type {DelegatedSourceDependency} */ (this.dependencies[0]);
+		const sourceModule = dep.module;
+		let str;
+
+		if (!sourceModule) {
+			str = WebpackMissingModule.moduleCode(this.sourceRequest);
+		} else {
+			str = `module.exports = (${runtime.moduleExports({
+				module: sourceModule,
+				request: dep.request
+			})})`;
+
+			switch (this.type) {
+				case "require":
+					str += `(${JSON.stringify(this.request)})`;
+					break;
+				case "object":
+					str += `[${JSON.stringify(this.request)}]`;
+					break;
+			}
+
+			str += ";";
+		}
+
+		if (this.useSourceMap) {
+			return new OriginalSource(str, this.identifier());
+		} else {
+			return new RawSource(str);
+		}
+	}
+
+	size() {
+		return 42;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(this.type);
+		hash.update(JSON.stringify(this.request));
+		super.updateHash(hash);
+	}
+}
+
+module.exports = DelegatedModule;
diff --git a/node_modules/webpack/lib/DelegatedModuleFactoryPlugin.js b/node_modules/webpack/lib/DelegatedModuleFactoryPlugin.js
new file mode 100644
index 00000000..a0a05a43
--- /dev/null
+++ b/node_modules/webpack/lib/DelegatedModuleFactoryPlugin.js
@@ -0,0 +1,95 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DelegatedModule = require("./DelegatedModule");
+
+// options.source
+// options.type
+// options.context
+// options.scope
+// options.content
+class DelegatedModuleFactoryPlugin {
+	constructor(options) {
+		this.options = options;
+		options.type = options.type || "require";
+		options.extensions = options.extensions || [
+			"",
+			".wasm",
+			".mjs",
+			".js",
+			".json"
+		];
+	}
+
+	apply(normalModuleFactory) {
+		const scope = this.options.scope;
+		if (scope) {
+			normalModuleFactory.hooks.factory.tap(
+				"DelegatedModuleFactoryPlugin",
+				factory => (data, callback) => {
+					const dependency = data.dependencies[0];
+					const request = dependency.request;
+					if (request && request.indexOf(scope + "/") === 0) {
+						const innerRequest = "." + request.substr(scope.length);
+						let resolved;
+						if (innerRequest in this.options.content) {
+							resolved = this.options.content[innerRequest];
+							return callback(
+								null,
+								new DelegatedModule(
+									this.options.source,
+									resolved,
+									this.options.type,
+									innerRequest,
+									request
+								)
+							);
+						}
+						for (let i = 0; i < this.options.extensions.length; i++) {
+							const extension = this.options.extensions[i];
+							const requestPlusExt = innerRequest + extension;
+							if (requestPlusExt in this.options.content) {
+								resolved = this.options.content[requestPlusExt];
+								return callback(
+									null,
+									new DelegatedModule(
+										this.options.source,
+										resolved,
+										this.options.type,
+										requestPlusExt,
+										request + extension
+									)
+								);
+							}
+						}
+					}
+					return factory(data, callback);
+				}
+			);
+		} else {
+			normalModuleFactory.hooks.module.tap(
+				"DelegatedModuleFactoryPlugin",
+				module => {
+					if (module.libIdent) {
+						const request = module.libIdent(this.options);
+						if (request && request in this.options.content) {
+							const resolved = this.options.content[request];
+							return new DelegatedModule(
+								this.options.source,
+								resolved,
+								this.options.type,
+								request,
+								module
+							);
+						}
+					}
+					return module;
+				}
+			);
+		}
+	}
+}
+module.exports = DelegatedModuleFactoryPlugin;
diff --git a/node_modules/webpack/lib/DelegatedPlugin.js b/node_modules/webpack/lib/DelegatedPlugin.js
new file mode 100644
index 00000000..714eb853
--- /dev/null
+++ b/node_modules/webpack/lib/DelegatedPlugin.js
@@ -0,0 +1,39 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
+const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
+const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
+const NullFactory = require("./NullFactory");
+
+class DelegatedPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DelegatedPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					DelegatedSourceDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					DelegatedExportsDependency,
+					new NullFactory()
+				);
+			}
+		);
+
+		compiler.hooks.compile.tap("DelegatedPlugin", ({ normalModuleFactory }) => {
+			new DelegatedModuleFactoryPlugin(this.options).apply(normalModuleFactory);
+		});
+	}
+}
+
+module.exports = DelegatedPlugin;
diff --git a/node_modules/webpack/lib/DependenciesBlock.js b/node_modules/webpack/lib/DependenciesBlock.js
new file mode 100644
index 00000000..142f3eac
--- /dev/null
+++ b/node_modules/webpack/lib/DependenciesBlock.js
@@ -0,0 +1,124 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+"use strict";
+
+const DependenciesBlockVariable = require("./DependenciesBlockVariable");
+
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("./DependenciesBlockVariable")} DependenciesBlockVariable */
+/** @typedef {(d: Dependency) => boolean} DependencyFilterFunction */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+class DependenciesBlock {
+	constructor() {
+		/** @type {Dependency[]} */
+		this.dependencies = [];
+		/** @type {AsyncDependenciesBlock[]} */
+		this.blocks = [];
+		/** @type {DependenciesBlockVariable[]} */
+		this.variables = [];
+	}
+
+	/**
+	 * Adds a DependencyBlock to DependencyBlock relationship.
+	 * This is used for when a Module has a AsyncDependencyBlock tie (for code-splitting)
+	 *
+	 * @param {AsyncDependenciesBlock} block block being added
+	 * @returns {void}
+	 */
+	addBlock(block) {
+		this.blocks.push(block);
+		block.parent = this;
+	}
+
+	/**
+	 * @param {string} name name of dependency
+	 * @param {string} expression expression string for variable
+	 * @param {Dependency[]} dependencies dependency instances tied to variable
+	 * @returns {void}
+	 */
+	addVariable(name, expression, dependencies) {
+		for (let v of this.variables) {
+			if (v.name === name && v.expression === expression) {
+				return;
+			}
+		}
+		this.variables.push(
+			new DependenciesBlockVariable(name, expression, dependencies)
+		);
+	}
+
+	/**
+	 * @param {Dependency} dependency dependency being tied to block.
+	 * This is an "edge" pointing to another "node" on module graph.
+	 * @returns {void}
+	 */
+	addDependency(dependency) {
+		this.dependencies.push(dependency);
+	}
+
+	/**
+	 * @param {Dependency} dependency dependency being removed
+	 * @returns {void}
+	 */
+	removeDependency(dependency) {
+		const idx = this.dependencies.indexOf(dependency);
+		if (idx >= 0) {
+			this.dependencies.splice(idx, 1);
+		}
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		for (const dep of this.dependencies) dep.updateHash(hash);
+		for (const block of this.blocks) block.updateHash(hash);
+		for (const variable of this.variables) variable.updateHash(hash);
+	}
+
+	disconnect() {
+		for (const dep of this.dependencies) dep.disconnect();
+		for (const block of this.blocks) block.disconnect();
+		for (const variable of this.variables) variable.disconnect();
+	}
+
+	unseal() {
+		for (const block of this.blocks) block.unseal();
+	}
+
+	/**
+	 * @param {DependencyFilterFunction} filter filter function for dependencies, gets passed all dependency ties from current instance
+	 * @returns {boolean} returns boolean for filter
+	 */
+	hasDependencies(filter) {
+		if (filter) {
+			for (const dep of this.dependencies) {
+				if (filter(dep)) return true;
+			}
+		} else {
+			if (this.dependencies.length > 0) {
+				return true;
+			}
+		}
+
+		for (const block of this.blocks) {
+			if (block.hasDependencies(filter)) return true;
+		}
+		for (const variable of this.variables) {
+			if (variable.hasDependencies(filter)) return true;
+		}
+		return false;
+	}
+
+	sortItems() {
+		for (const block of this.blocks) block.sortItems();
+	}
+}
+
+module.exports = DependenciesBlock;
diff --git a/node_modules/webpack/lib/DependenciesBlockVariable.js b/node_modules/webpack/lib/DependenciesBlockVariable.js
new file mode 100644
index 00000000..c4ed9162
--- /dev/null
+++ b/node_modules/webpack/lib/DependenciesBlockVariable.js
@@ -0,0 +1,72 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { RawSource, ReplaceSource } = require("webpack-sources");
+
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate */
+/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
+/** @typedef {import("./util/createHash").Hash} Hash */
+/** @typedef {(d: Dependency) => boolean} DependencyFilterFunction */
+/** @typedef {Map<Function, DependencyTemplate>} DependencyTemplates */
+
+class DependenciesBlockVariable {
+	/**
+	 * Creates an instance of DependenciesBlockVariable.
+	 * @param {string} name name of DependenciesBlockVariable
+	 * @param {string} expression expression string
+	 * @param {Dependency[]=} dependencies dependencies tied to this varaiable
+	 */
+	constructor(name, expression, dependencies) {
+		this.name = name;
+		this.expression = expression;
+		this.dependencies = dependencies || [];
+	}
+
+	/**
+	 * @param {Hash} hash hash for instance to update
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(this.name);
+		hash.update(this.expression);
+		for (const d of this.dependencies) {
+			d.updateHash(hash);
+		}
+	}
+
+	/**
+	 * @param {DependencyTemplates} dependencyTemplates Dependency constructors and templates Map.
+	 * @param {RuntimeTemplate} runtimeTemplate runtimeTemplate to generate expression souce
+	 * @returns {ReplaceSource} returns constructed source for expression via templates
+	 */
+	expressionSource(dependencyTemplates, runtimeTemplate) {
+		const source = new ReplaceSource(new RawSource(this.expression));
+		for (const dep of this.dependencies) {
+			const template = dependencyTemplates.get(dep.constructor);
+			if (!template) {
+				throw new Error(`No template for dependency: ${dep.constructor.name}`);
+			}
+			template.apply(dep, source, runtimeTemplate, dependencyTemplates);
+		}
+		return source;
+	}
+
+	disconnect() {
+		for (const d of this.dependencies) {
+			d.disconnect();
+		}
+	}
+
+	hasDependencies(filter) {
+		if (filter) {
+			return this.dependencies.some(filter);
+		}
+		return this.dependencies.length > 0;
+	}
+}
+
+module.exports = DependenciesBlockVariable;
diff --git a/node_modules/webpack/lib/Dependency.js b/node_modules/webpack/lib/Dependency.js
new file mode 100644
index 00000000..6d27b1ed
--- /dev/null
+++ b/node_modules/webpack/lib/Dependency.js
@@ -0,0 +1,89 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+const compareLocations = require("./compareLocations");
+const DependencyReference = require("./dependencies/DependencyReference");
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
+
+/**
+ * @typedef {Object} DependencyTemplate
+ * @property {function(Dependency, Source, RuntimeTemplate, Map<Function, DependencyTemplate>): void} apply
+ */
+
+/** @typedef {Object} SourcePosition
+ *  @property {number} line
+ *  @property {number=} column
+ */
+
+/** @typedef {Object} RealDependencyLocation
+ *  @property {SourcePosition} start
+ *  @property {SourcePosition=} end
+ *  @property {number=} index
+ */
+
+/** @typedef {Object} SynteticDependencyLocation
+ *  @property {string} name
+ *  @property {number=} index
+ */
+
+/** @typedef {SynteticDependencyLocation|RealDependencyLocation} DependencyLocation */
+
+class Dependency {
+	constructor() {
+		/** @type {Module|null} */
+		this.module = null;
+		// TODO remove in webpack 5
+		/** @type {boolean} */
+		this.weak = false;
+		/** @type {boolean} */
+		this.optional = false;
+		/** @type {DependencyLocation} */
+		this.loc = undefined;
+	}
+
+	getResourceIdentifier() {
+		return null;
+	}
+
+	// Returns the referenced module and export
+	getReference() {
+		if (!this.module) return null;
+		return new DependencyReference(this.module, true, this.weak);
+	}
+
+	// Returns the exported names
+	getExports() {
+		return null;
+	}
+
+	getWarnings() {
+		return null;
+	}
+
+	getErrors() {
+		return null;
+	}
+
+	updateHash(hash) {
+		hash.update((this.module && this.module.id) + "");
+	}
+
+	disconnect() {
+		this.module = null;
+	}
+}
+
+// TODO remove in webpack 5
+Dependency.compare = util.deprecate(
+	(a, b) => compareLocations(a.loc, b.loc),
+	"Dependency.compare is deprecated and will be removed in the next major version"
+);
+
+module.exports = Dependency;
diff --git a/node_modules/webpack/lib/DllEntryPlugin.js b/node_modules/webpack/lib/DllEntryPlugin.js
new file mode 100644
index 00000000..562628d9
--- /dev/null
+++ b/node_modules/webpack/lib/DllEntryPlugin.js
@@ -0,0 +1,54 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DllEntryDependency = require("./dependencies/DllEntryDependency");
+const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
+const DllModuleFactory = require("./DllModuleFactory");
+
+class DllEntryPlugin {
+	constructor(context, entries, name) {
+		this.context = context;
+		this.entries = entries;
+		this.name = name;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DllEntryPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const dllModuleFactory = new DllModuleFactory();
+				compilation.dependencyFactories.set(
+					DllEntryDependency,
+					dllModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					SingleEntryDependency,
+					normalModuleFactory
+				);
+			}
+		);
+		compiler.hooks.make.tapAsync("DllEntryPlugin", (compilation, callback) => {
+			compilation.addEntry(
+				this.context,
+				new DllEntryDependency(
+					this.entries.map((e, idx) => {
+						const dep = new SingleEntryDependency(e);
+						dep.loc = {
+							name: this.name,
+							index: idx
+						};
+						return dep;
+					}),
+					this.name
+				),
+				this.name,
+				callback
+			);
+		});
+	}
+}
+
+module.exports = DllEntryPlugin;
diff --git a/node_modules/webpack/lib/DllModule.js b/node_modules/webpack/lib/DllModule.js
new file mode 100644
index 00000000..0cd9cbcf
--- /dev/null
+++ b/node_modules/webpack/lib/DllModule.js
@@ -0,0 +1,60 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+	*/
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const Module = require("./Module");
+
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+class DllModule extends Module {
+	constructor(context, dependencies, name, type) {
+		super("javascript/dynamic", context);
+
+		// Info from Factory
+		this.dependencies = dependencies;
+		this.name = name;
+		this.type = type;
+	}
+
+	identifier() {
+		return `dll ${this.name}`;
+	}
+
+	readableIdentifier() {
+		return `dll ${this.name}`;
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = {};
+		this.buildInfo = {};
+		return callback();
+	}
+
+	source() {
+		return new RawSource("module.exports = __webpack_require__;");
+	}
+
+	needRebuild() {
+		return false;
+	}
+
+	size() {
+		return 12;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update("dll module");
+		hash.update(this.name || "");
+		super.updateHash(hash);
+	}
+}
+
+module.exports = DllModule;
diff --git a/node_modules/webpack/lib/DllModuleFactory.js b/node_modules/webpack/lib/DllModuleFactory.js
new file mode 100644
index 00000000..f5d12ddc
--- /dev/null
+++ b/node_modules/webpack/lib/DllModuleFactory.js
@@ -0,0 +1,29 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { Tapable } = require("tapable");
+const DllModule = require("./DllModule");
+
+class DllModuleFactory extends Tapable {
+	constructor() {
+		super();
+		this.hooks = {};
+	}
+	create(data, callback) {
+		const dependency = data.dependencies[0];
+		callback(
+			null,
+			new DllModule(
+				data.context,
+				dependency.dependencies,
+				dependency.name,
+				dependency.type
+			)
+		);
+	}
+}
+
+module.exports = DllModuleFactory;
diff --git a/node_modules/webpack/lib/DllPlugin.js b/node_modules/webpack/lib/DllPlugin.js
new file mode 100644
index 00000000..ffd62cfc
--- /dev/null
+++ b/node_modules/webpack/lib/DllPlugin.js
@@ -0,0 +1,49 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+	*/
+"use strict";
+
+const DllEntryPlugin = require("./DllEntryPlugin");
+const FlagAllModulesAsUsedPlugin = require("./FlagAllModulesAsUsedPlugin");
+const LibManifestPlugin = require("./LibManifestPlugin");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/DllPlugin.json");
+
+/** @typedef {import("../declarations/plugins/DllPlugin").DllPluginOptions} DllPluginOptions */
+
+class DllPlugin {
+	/**
+	 * @param {DllPluginOptions} options options object
+	 */
+	constructor(options) {
+		validateOptions(schema, options, "Dll Plugin");
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.entryOption.tap("DllPlugin", (context, entry) => {
+			const itemToPlugin = (item, name) => {
+				if (Array.isArray(item)) {
+					return new DllEntryPlugin(context, item, name);
+				}
+				throw new Error("DllPlugin: supply an Array as entry");
+			};
+			if (typeof entry === "object" && !Array.isArray(entry)) {
+				Object.keys(entry).forEach(name => {
+					itemToPlugin(entry[name], name).apply(compiler);
+				});
+			} else {
+				itemToPlugin(entry, "main").apply(compiler);
+			}
+			return true;
+		});
+		new LibManifestPlugin(this.options).apply(compiler);
+		if (!this.options.entryOnly) {
+			new FlagAllModulesAsUsedPlugin("DllPlugin").apply(compiler);
+		}
+	}
+}
+
+module.exports = DllPlugin;
diff --git a/node_modules/webpack/lib/DllReferencePlugin.js b/node_modules/webpack/lib/DllReferencePlugin.js
new file mode 100644
index 00000000..62e26d89
--- /dev/null
+++ b/node_modules/webpack/lib/DllReferencePlugin.js
@@ -0,0 +1,156 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const parseJson = require("json-parse-better-errors");
+const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
+const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
+const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
+const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
+const NullFactory = require("./NullFactory");
+const makePathsRelative = require("./util/identifier").makePathsRelative;
+const WebpackError = require("./WebpackError");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/DllReferencePlugin.json");
+
+/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
+/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsManifest} DllReferencePluginOptionsManifest */
+
+class DllReferencePlugin {
+	/**
+	 * @param {DllReferencePluginOptions} options options object
+	 */
+	constructor(options) {
+		validateOptions(schema, options, "Dll Reference Plugin");
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DllReferencePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					DelegatedSourceDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					DelegatedExportsDependency,
+					new NullFactory()
+				);
+			}
+		);
+
+		compiler.hooks.beforeCompile.tapAsync(
+			"DllReferencePlugin",
+			(params, callback) => {
+				if ("manifest" in this.options) {
+					const manifest = this.options.manifest;
+					if (typeof manifest === "string") {
+						params.compilationDependencies.add(manifest);
+						compiler.inputFileSystem.readFile(manifest, (err, result) => {
+							if (err) return callback(err);
+							// Catch errors parsing the manifest so that blank
+							// or malformed manifest files don't kill the process.
+							try {
+								params["dll reference " + manifest] = parseJson(
+									result.toString("utf-8")
+								);
+							} catch (e) {
+								// Store the error in the params so that it can
+								// be added as a compilation error later on.
+								const manifestPath = makePathsRelative(
+									compiler.options.context,
+									manifest
+								);
+								params[
+									"dll reference parse error " + manifest
+								] = new DllManifestError(manifestPath, e.message);
+							}
+							return callback();
+						});
+						return;
+					}
+				}
+				return callback();
+			}
+		);
+
+		compiler.hooks.compile.tap("DllReferencePlugin", params => {
+			let name = this.options.name;
+			let sourceType = this.options.sourceType;
+			let content =
+				"content" in this.options ? this.options.content : undefined;
+			if ("manifest" in this.options) {
+				let manifestParameter = this.options.manifest;
+				let manifest;
+				if (typeof manifestParameter === "string") {
+					// If there was an error parsing the manifest
+					// file, exit now because the error will be added
+					// as a compilation error in the "compilation" hook.
+					if (params["dll reference parse error " + manifestParameter]) {
+						return;
+					}
+					manifest =
+						/** @type {DllReferencePluginOptionsManifest} */ (params[
+							"dll reference " + manifestParameter
+						]);
+				} else {
+					manifest = manifestParameter;
+				}
+				if (manifest) {
+					if (!name) name = manifest.name;
+					if (!sourceType) sourceType = manifest.type;
+					if (!content) content = manifest.content;
+				}
+			}
+			const externals = {};
+			const source = "dll-reference " + name;
+			externals[source] = name;
+			const normalModuleFactory = params.normalModuleFactory;
+			new ExternalModuleFactoryPlugin(sourceType || "var", externals).apply(
+				normalModuleFactory
+			);
+			new DelegatedModuleFactoryPlugin({
+				source: source,
+				type: this.options.type,
+				scope: this.options.scope,
+				context: this.options.context || compiler.options.context,
+				content,
+				extensions: this.options.extensions
+			}).apply(normalModuleFactory);
+		});
+
+		compiler.hooks.compilation.tap(
+			"DllReferencePlugin",
+			(compilation, params) => {
+				if ("manifest" in this.options) {
+					let manifest = this.options.manifest;
+					if (typeof manifest === "string") {
+						// If there was an error parsing the manifest file, add the
+						// error as a compilation error to make the compilation fail.
+						let e = params["dll reference parse error " + manifest];
+						if (e) {
+							compilation.errors.push(e);
+						}
+					}
+				}
+			}
+		);
+	}
+}
+
+class DllManifestError extends WebpackError {
+	constructor(filename, message) {
+		super();
+
+		this.name = "DllManifestError";
+		this.message = `Dll manifest ${filename}\n${message}`;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = DllReferencePlugin;
diff --git a/node_modules/webpack/lib/DynamicEntryPlugin.js b/node_modules/webpack/lib/DynamicEntryPlugin.js
new file mode 100644
index 00000000..be9b237b
--- /dev/null
+++ b/node_modules/webpack/lib/DynamicEntryPlugin.js
@@ -0,0 +1,94 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Naoyuki Kanezawa @nkzawa
+*/
+"use strict";
+
+const MultiEntryDependency = require("./dependencies/MultiEntryDependency");
+const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
+const MultiModuleFactory = require("./MultiModuleFactory");
+const MultiEntryPlugin = require("./MultiEntryPlugin");
+const SingleEntryPlugin = require("./SingleEntryPlugin");
+
+/** @typedef {import("../declarations/WebpackOptions").EntryDynamic} EntryDynamic */
+/** @typedef {import("../declarations/WebpackOptions").EntryStatic} EntryStatic */
+/** @typedef {import("./Compiler")} Compiler */
+
+class DynamicEntryPlugin {
+	/**
+	 * @param {string} context the context path
+	 * @param {EntryDynamic} entry the entry value
+	 */
+	constructor(context, entry) {
+		this.context = context;
+		this.entry = entry;
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DynamicEntryPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const multiModuleFactory = new MultiModuleFactory();
+
+				compilation.dependencyFactories.set(
+					MultiEntryDependency,
+					multiModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					SingleEntryDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.make.tapAsync(
+			"DynamicEntryPlugin",
+			(compilation, callback) => {
+				/**
+				 * @param {string|string[]} entry entry value or array of entry values
+				 * @param {string} name name of entry
+				 * @returns {Promise<EntryStatic>} returns the promise resolving the Compilation#addEntry function
+				 */
+				const addEntry = (entry, name) => {
+					const dep = DynamicEntryPlugin.createDependency(entry, name);
+					return new Promise((resolve, reject) => {
+						compilation.addEntry(this.context, dep, name, err => {
+							if (err) return reject(err);
+							resolve();
+						});
+					});
+				};
+
+				Promise.resolve(this.entry()).then(entry => {
+					if (typeof entry === "string" || Array.isArray(entry)) {
+						addEntry(entry, "main").then(() => callback(), callback);
+					} else if (typeof entry === "object") {
+						Promise.all(
+							Object.keys(entry).map(name => {
+								return addEntry(entry[name], name);
+							})
+						).then(() => callback(), callback);
+					}
+				});
+			}
+		);
+	}
+}
+
+module.exports = DynamicEntryPlugin;
+/**
+ * @param {string|string[]} entry entry value or array of entry paths
+ * @param {string} name name of entry
+ * @returns {SingleEntryDependency|MultiEntryDependency} returns dep
+ */
+DynamicEntryPlugin.createDependency = (entry, name) => {
+	if (Array.isArray(entry)) {
+		return MultiEntryPlugin.createDependency(entry, name);
+	} else {
+		return SingleEntryPlugin.createDependency(entry, name);
+	}
+};
diff --git a/node_modules/webpack/lib/EntryModuleNotFoundError.js b/node_modules/webpack/lib/EntryModuleNotFoundError.js
new file mode 100644
index 00000000..b2458d6f
--- /dev/null
+++ b/node_modules/webpack/lib/EntryModuleNotFoundError.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+class EntryModuleNotFoundError extends WebpackError {
+	constructor(err) {
+		super("Entry module not found: " + err);
+
+		this.name = "EntryModuleNotFoundError";
+		this.details = err.details;
+		this.error = err;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = EntryModuleNotFoundError;
diff --git a/node_modules/webpack/lib/EntryOptionPlugin.js b/node_modules/webpack/lib/EntryOptionPlugin.js
new file mode 100644
index 00000000..ddda157f
--- /dev/null
+++ b/node_modules/webpack/lib/EntryOptionPlugin.js
@@ -0,0 +1,46 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const SingleEntryPlugin = require("./SingleEntryPlugin");
+const MultiEntryPlugin = require("./MultiEntryPlugin");
+const DynamicEntryPlugin = require("./DynamicEntryPlugin");
+
+/** @typedef {import("../declarations/WebpackOptions").EntryItem} EntryItem */
+/** @typedef {import("./Compiler")} Compiler */
+
+/**
+ * @param {string} context context path
+ * @param {EntryItem} item entry array or single path
+ * @param {string} name entry key name
+ * @returns {SingleEntryPlugin | MultiEntryPlugin} returns either a single or multi entry plugin
+ */
+const itemToPlugin = (context, item, name) => {
+	if (Array.isArray(item)) {
+		return new MultiEntryPlugin(context, item, name);
+	}
+	return new SingleEntryPlugin(context, item, name);
+};
+
+module.exports = class EntryOptionPlugin {
+	/**
+	 * @param {Compiler} compiler the compiler instance one is tapping into
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.entryOption.tap("EntryOptionPlugin", (context, entry) => {
+			if (typeof entry === "string" || Array.isArray(entry)) {
+				itemToPlugin(context, entry, "main").apply(compiler);
+			} else if (typeof entry === "object") {
+				for (const name of Object.keys(entry)) {
+					itemToPlugin(context, entry[name], name).apply(compiler);
+				}
+			} else if (typeof entry === "function") {
+				new DynamicEntryPlugin(context, entry).apply(compiler);
+			}
+			return true;
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/Entrypoint.js b/node_modules/webpack/lib/Entrypoint.js
new file mode 100644
index 00000000..d82158a4
--- /dev/null
+++ b/node_modules/webpack/lib/Entrypoint.js
@@ -0,0 +1,64 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ChunkGroup = require("./ChunkGroup");
+
+/** @typedef {import("./Chunk")} Chunk */
+
+/**
+ * Entrypoint serves as an encapsulation primitive for chunks that are
+ * a part of a single ChunkGroup. They represent all bundles that need to be loaded for a
+ * single instance of a page. Multi-page application architectures will typically yield multiple Entrypoint objects
+ * inside of the compilation, whereas a Single Page App may only contain one with many lazy-loaded chunks.
+ */
+class Entrypoint extends ChunkGroup {
+	/**
+	 * Creates an instance of Entrypoint.
+	 * @param {string} name the name of the entrypoint
+	 */
+	constructor(name) {
+		super(name);
+		/** @type {Chunk=} */
+		this.runtimeChunk = undefined;
+	}
+
+	/**
+	 * isInitial will always return true for Entrypoint ChunkGroup.
+	 * @returns {true} returns true as all entrypoints are initial ChunkGroups
+	 */
+	isInitial() {
+		return true;
+	}
+
+	/**
+	 * Sets the runtimeChunk for an entrypoint.
+	 * @param {Chunk} chunk the chunk being set as the runtime chunk.
+	 * @returns {void}
+	 */
+	setRuntimeChunk(chunk) {
+		this.runtimeChunk = chunk;
+	}
+
+	/**
+	 * Fetches the chunk reference containing the webpack bootstrap code
+	 * @returns {Chunk} returns the runtime chunk or first chunk in `this.chunks`
+	 */
+	getRuntimeChunk() {
+		return this.runtimeChunk || this.chunks[0];
+	}
+
+	/**
+	 * @param {Chunk} oldChunk chunk to be replaced
+	 * @param {Chunk} newChunk New chunk that will be replaced with
+	 * @returns {boolean} returns true if the replacement was successful
+	 */
+	replaceChunk(oldChunk, newChunk) {
+		if (this.runtimeChunk === oldChunk) this.runtimeChunk = newChunk;
+		return super.replaceChunk(oldChunk, newChunk);
+	}
+}
+
+module.exports = Entrypoint;
diff --git a/node_modules/webpack/lib/EnvironmentPlugin.js b/node_modules/webpack/lib/EnvironmentPlugin.js
new file mode 100644
index 00000000..c9fafaa8
--- /dev/null
+++ b/node_modules/webpack/lib/EnvironmentPlugin.js
@@ -0,0 +1,72 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Authors Simen Brekken @simenbrekken, Einar Löve @einarlove
+*/
+
+"use strict";
+
+/** @typedef {import("./Compiler")} Compiler */
+
+const WebpackError = require("./WebpackError");
+const DefinePlugin = require("./DefinePlugin");
+
+const needsEnvVarFix =
+	["8", "9"].indexOf(process.versions.node.split(".")[0]) >= 0 &&
+	process.platform === "win32";
+
+class EnvironmentPlugin {
+	constructor(...keys) {
+		if (keys.length === 1 && Array.isArray(keys[0])) {
+			this.keys = keys[0];
+			this.defaultValues = {};
+		} else if (keys.length === 1 && keys[0] && typeof keys[0] === "object") {
+			this.keys = Object.keys(keys[0]);
+			this.defaultValues = keys[0];
+		} else {
+			this.keys = keys;
+			this.defaultValues = {};
+		}
+	}
+
+	/**
+	 * @param {Compiler} compiler webpack compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const definitions = this.keys.reduce((defs, key) => {
+			// TODO remove once the fix has made its way into Node 8.
+			// Work around https://github.com/nodejs/node/pull/18463,
+			// affecting Node 8 & 9 by performing an OS-level
+			// operation that always succeeds before reading
+			// environment variables:
+			if (needsEnvVarFix) require("os").cpus();
+
+			const value =
+				process.env[key] !== undefined
+					? process.env[key]
+					: this.defaultValues[key];
+
+			if (value === undefined) {
+				compiler.hooks.thisCompilation.tap("EnvironmentPlugin", compilation => {
+					const error = new WebpackError(
+						`EnvironmentPlugin - ${key} environment variable is undefined.\n\n` +
+							"You can pass an object with default values to suppress this warning.\n" +
+							"See https://webpack.js.org/plugins/environment-plugin for example."
+					);
+
+					error.name = "EnvVariableNotDefinedError";
+					compilation.warnings.push(error);
+				});
+			}
+
+			defs[`process.env.${key}`] =
+				value === undefined ? "undefined" : JSON.stringify(value);
+
+			return defs;
+		}, {});
+
+		new DefinePlugin(definitions).apply(compiler);
+	}
+}
+
+module.exports = EnvironmentPlugin;
diff --git a/node_modules/webpack/lib/ErrorHelpers.js b/node_modules/webpack/lib/ErrorHelpers.js
new file mode 100644
index 00000000..900ae4d5
--- /dev/null
+++ b/node_modules/webpack/lib/ErrorHelpers.js
@@ -0,0 +1,60 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const loaderFlag = "LOADER_EXECUTION";
+
+const webpackOptionsFlag = "WEBPACK_OPTIONS";
+
+exports.cutOffByFlag = (stack, flag) => {
+	stack = stack.split("\n");
+	for (let i = 0; i < stack.length; i++) {
+		if (stack[i].includes(flag)) {
+			stack.length = i;
+		}
+	}
+	return stack.join("\n");
+};
+
+exports.cutOffLoaderExecution = stack =>
+	exports.cutOffByFlag(stack, loaderFlag);
+
+exports.cutOffWebpackOptions = stack =>
+	exports.cutOffByFlag(stack, webpackOptionsFlag);
+
+exports.cutOffMultilineMessage = (stack, message) => {
+	stack = stack.split("\n");
+	message = message.split("\n");
+
+	return stack
+		.reduce(
+			(acc, line, idx) =>
+				line.includes(message[idx]) ? acc : acc.concat(line),
+			[]
+		)
+		.join("\n");
+};
+
+exports.cutOffMessage = (stack, message) => {
+	const nextLine = stack.indexOf("\n");
+	if (nextLine === -1) {
+		return stack === message ? "" : stack;
+	} else {
+		const firstLine = stack.substr(0, nextLine);
+		return firstLine === message ? stack.substr(nextLine + 1) : stack;
+	}
+};
+
+exports.cleanUp = (stack, message) => {
+	stack = exports.cutOffLoaderExecution(stack);
+	stack = exports.cutOffMessage(stack, message);
+	return stack;
+};
+
+exports.cleanUpWebpackOptions = (stack, message) => {
+	stack = exports.cutOffWebpackOptions(stack);
+	stack = exports.cutOffMultilineMessage(stack, message);
+	return stack;
+};
diff --git a/node_modules/webpack/lib/EvalDevToolModulePlugin.js b/node_modules/webpack/lib/EvalDevToolModulePlugin.js
new file mode 100644
index 00000000..2af11f9c
--- /dev/null
+++ b/node_modules/webpack/lib/EvalDevToolModulePlugin.js
@@ -0,0 +1,27 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const EvalDevToolModuleTemplatePlugin = require("./EvalDevToolModuleTemplatePlugin");
+
+class EvalDevToolModulePlugin {
+	constructor(options) {
+		this.sourceUrlComment = options.sourceUrlComment;
+		this.moduleFilenameTemplate = options.moduleFilenameTemplate;
+		this.namespace = options.namespace;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap("EvalDevToolModulePlugin", compilation => {
+			new EvalDevToolModuleTemplatePlugin({
+				sourceUrlComment: this.sourceUrlComment,
+				moduleFilenameTemplate: this.moduleFilenameTemplate,
+				namespace: this.namespace
+			}).apply(compilation.moduleTemplates.javascript);
+		});
+	}
+}
+
+module.exports = EvalDevToolModulePlugin;
diff --git a/node_modules/webpack/lib/EvalDevToolModuleTemplatePlugin.js b/node_modules/webpack/lib/EvalDevToolModuleTemplatePlugin.js
new file mode 100644
index 00000000..ab5dd1aa
--- /dev/null
+++ b/node_modules/webpack/lib/EvalDevToolModuleTemplatePlugin.js
@@ -0,0 +1,61 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+
+const cache = new WeakMap();
+
+class EvalDevToolModuleTemplatePlugin {
+	constructor(options) {
+		this.sourceUrlComment = options.sourceUrlComment || "\n//# sourceURL=[url]";
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate ||
+			"webpack://[namespace]/[resourcePath]?[loaders]";
+		this.namespace = options.namespace || "";
+	}
+
+	apply(moduleTemplate) {
+		moduleTemplate.hooks.module.tap(
+			"EvalDevToolModuleTemplatePlugin",
+			(source, module) => {
+				const cacheEntry = cache.get(source);
+				if (cacheEntry !== undefined) return cacheEntry;
+				const content = source.source();
+				const str = ModuleFilenameHelpers.createFilename(
+					module,
+					{
+						moduleFilenameTemplate: this.moduleFilenameTemplate,
+						namespace: this.namespace
+					},
+					moduleTemplate.runtimeTemplate.requestShortener
+				);
+				const footer =
+					"\n" +
+					this.sourceUrlComment.replace(
+						/\[url\]/g,
+						encodeURI(str)
+							.replace(/%2F/g, "/")
+							.replace(/%20/g, "_")
+							.replace(/%5E/g, "^")
+							.replace(/%5C/g, "\\")
+							.replace(/^\//, "")
+					);
+				const result = new RawSource(
+					`eval(${JSON.stringify(content + footer)});`
+				);
+				cache.set(source, result);
+				return result;
+			}
+		);
+		moduleTemplate.hooks.hash.tap("EvalDevToolModuleTemplatePlugin", hash => {
+			hash.update("EvalDevToolModuleTemplatePlugin");
+			hash.update("2");
+		});
+	}
+}
+
+module.exports = EvalDevToolModuleTemplatePlugin;
diff --git a/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js b/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
new file mode 100644
index 00000000..73659fcf
--- /dev/null
+++ b/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
@@ -0,0 +1,120 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const { absolutify } = require("./util/identifier");
+
+const cache = new WeakMap();
+
+class EvalSourceMapDevToolModuleTemplatePlugin {
+	constructor(compilation, options) {
+		this.compilation = compilation;
+		this.sourceMapComment =
+			options.append || "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate ||
+			"webpack://[namespace]/[resource-path]?[hash]";
+		this.namespace = options.namespace || "";
+		this.options = options;
+	}
+
+	apply(moduleTemplate) {
+		const self = this;
+		const options = this.options;
+		const matchModule = ModuleFilenameHelpers.matchObject.bind(
+			ModuleFilenameHelpers,
+			options
+		);
+		moduleTemplate.hooks.module.tap(
+			"EvalSourceMapDevToolModuleTemplatePlugin",
+			(source, module) => {
+				const cachedSource = cache.get(source);
+				if (cachedSource !== undefined) {
+					return cachedSource;
+				}
+
+				if (!matchModule(module.resource)) {
+					return source;
+				}
+
+				/** @type {{ [key: string]: TODO; }} */
+				let sourceMap;
+				let content;
+				if (source.sourceAndMap) {
+					const sourceAndMap = source.sourceAndMap(options);
+					sourceMap = sourceAndMap.map;
+					content = sourceAndMap.source;
+				} else {
+					sourceMap = source.map(options);
+					content = source.source();
+				}
+				if (!sourceMap) {
+					return source;
+				}
+
+				// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
+				sourceMap = Object.keys(sourceMap).reduce((obj, key) => {
+					obj[key] = sourceMap[key];
+					return obj;
+				}, {});
+				const context = this.compilation.compiler.options.context;
+				const modules = sourceMap.sources.map(source => {
+					if (source.startsWith("webpack://")) {
+						source = absolutify(context, source.slice(10));
+					}
+					const module = self.compilation.findModule(source);
+					return module || source;
+				});
+				let moduleFilenames = modules.map(module => {
+					return ModuleFilenameHelpers.createFilename(
+						module,
+						{
+							moduleFilenameTemplate: self.moduleFilenameTemplate,
+							namespace: self.namespace
+						},
+						moduleTemplate.runtimeTemplate.requestShortener
+					);
+				});
+				moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(
+					moduleFilenames,
+					(filename, i, n) => {
+						for (let j = 0; j < n; j++) filename += "*";
+						return filename;
+					}
+				);
+				sourceMap.sources = moduleFilenames;
+				sourceMap.sourceRoot = options.sourceRoot || "";
+				sourceMap.file = `${module.id}.js`;
+
+				const footer =
+					self.sourceMapComment.replace(
+						/\[url\]/g,
+						`data:application/json;charset=utf-8;base64,${Buffer.from(
+							JSON.stringify(sourceMap),
+							"utf8"
+						).toString("base64")}`
+					) + `\n//# sourceURL=webpack-internal:///${module.id}\n`; // workaround for chrome bug
+
+				const evalSource = new RawSource(
+					`eval(${JSON.stringify(content + footer)});`
+				);
+
+				cache.set(source, evalSource);
+
+				return evalSource;
+			}
+		);
+		moduleTemplate.hooks.hash.tap(
+			"EvalSourceMapDevToolModuleTemplatePlugin",
+			hash => {
+				hash.update("eval-source-map");
+				hash.update("2");
+			}
+		);
+	}
+}
+module.exports = EvalSourceMapDevToolModuleTemplatePlugin;
diff --git a/node_modules/webpack/lib/EvalSourceMapDevToolPlugin.js b/node_modules/webpack/lib/EvalSourceMapDevToolPlugin.js
new file mode 100644
index 00000000..daf9aadd
--- /dev/null
+++ b/node_modules/webpack/lib/EvalSourceMapDevToolPlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const EvalSourceMapDevToolModuleTemplatePlugin = require("./EvalSourceMapDevToolModuleTemplatePlugin");
+const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
+
+class EvalSourceMapDevToolPlugin {
+	constructor(options) {
+		if (arguments.length > 1) {
+			throw new Error(
+				"EvalSourceMapDevToolPlugin only takes one argument (pass an options object)"
+			);
+		}
+		if (typeof options === "string") {
+			options = {
+				append: options
+			};
+		}
+		if (!options) options = {};
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap(
+			"EvalSourceMapDevToolPlugin",
+			compilation => {
+				new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
+				new EvalSourceMapDevToolModuleTemplatePlugin(
+					compilation,
+					options
+				).apply(compilation.moduleTemplates.javascript);
+			}
+		);
+	}
+}
+
+module.exports = EvalSourceMapDevToolPlugin;
diff --git a/node_modules/webpack/lib/ExportPropertyMainTemplatePlugin.js b/node_modules/webpack/lib/ExportPropertyMainTemplatePlugin.js
new file mode 100644
index 00000000..90df031a
--- /dev/null
+++ b/node_modules/webpack/lib/ExportPropertyMainTemplatePlugin.js
@@ -0,0 +1,53 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+/** @typedef {import("./Compilation")} Compilation */
+
+/**
+ * @param {string[]} accessor the accessor to convert to path
+ * @returns {string} the path
+ */
+const accessorToObjectAccess = accessor => {
+	return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
+};
+
+class ExportPropertyMainTemplatePlugin {
+	/**
+	 * @param {string|string[]} property the name of the property to export
+	 */
+	constructor(property) {
+		this.property = property;
+	}
+
+	/**
+	 * @param {Compilation} compilation the compilation instance
+	 * @returns {void}
+	 */
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			const postfix = `${accessorToObjectAccess([].concat(this.property))}`;
+			return new ConcatSource(source, postfix);
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"ExportPropertyMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.hash.tap("ExportPropertyMainTemplatePlugin", hash => {
+			hash.update("export property");
+			hash.update(`${this.property}`);
+		});
+	}
+}
+
+module.exports = ExportPropertyMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/ExtendedAPIPlugin.js b/node_modules/webpack/lib/ExtendedAPIPlugin.js
new file mode 100644
index 00000000..e41defb1
--- /dev/null
+++ b/node_modules/webpack/lib/ExtendedAPIPlugin.js
@@ -0,0 +1,88 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("./Template");
+const ConstDependency = require("./dependencies/ConstDependency");
+const ParserHelpers = require("./ParserHelpers");
+const NullFactory = require("./NullFactory");
+
+const REPLACEMENTS = {
+	// eslint-disable-next-line camelcase
+	__webpack_hash__: "__webpack_require__.h",
+	// eslint-disable-next-line camelcase
+	__webpack_chunkname__: "__webpack_require__.cn"
+};
+const REPLACEMENT_TYPES = {
+	// eslint-disable-next-line camelcase
+	__webpack_hash__: "string",
+	// eslint-disable-next-line camelcase
+	__webpack_chunkname__: "string"
+};
+
+class ExtendedAPIPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"ExtendedAPIPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				const mainTemplate = compilation.mainTemplate;
+				mainTemplate.hooks.requireExtensions.tap(
+					"ExtendedAPIPlugin",
+					(source, chunk, hash) => {
+						const buf = [source];
+						buf.push("");
+						buf.push("// __webpack_hash__");
+						buf.push(`${mainTemplate.requireFn}.h = ${JSON.stringify(hash)};`);
+						buf.push("");
+						buf.push("// __webpack_chunkname__");
+						buf.push(
+							`${mainTemplate.requireFn}.cn = ${JSON.stringify(chunk.name)};`
+						);
+						return Template.asString(buf);
+					}
+				);
+				mainTemplate.hooks.globalHash.tap("ExtendedAPIPlugin", () => true);
+
+				const handler = (parser, parserOptions) => {
+					Object.keys(REPLACEMENTS).forEach(key => {
+						parser.hooks.expression
+							.for(key)
+							.tap(
+								"ExtendedAPIPlugin",
+								ParserHelpers.toConstantDependencyWithWebpackRequire(
+									parser,
+									REPLACEMENTS[key]
+								)
+							);
+						parser.hooks.evaluateTypeof
+							.for(key)
+							.tap(
+								"ExtendedAPIPlugin",
+								ParserHelpers.evaluateToString(REPLACEMENT_TYPES[key])
+							);
+					});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ExtendedAPIPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("ExtendedAPIPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("ExtendedAPIPlugin", handler);
+			}
+		);
+	}
+}
+
+module.exports = ExtendedAPIPlugin;
diff --git a/node_modules/webpack/lib/ExternalModule.js b/node_modules/webpack/lib/ExternalModule.js
new file mode 100644
index 00000000..e2da635a
--- /dev/null
+++ b/node_modules/webpack/lib/ExternalModule.js
@@ -0,0 +1,179 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { OriginalSource, RawSource } = require("webpack-sources");
+const Module = require("./Module");
+const WebpackMissingModule = require("./dependencies/WebpackMissingModule");
+const Template = require("./Template");
+
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+class ExternalModule extends Module {
+	constructor(request, type, userRequest) {
+		super("javascript/dynamic", null);
+
+		// Info from Factory
+		this.request = request;
+		this.externalType = type;
+		this.userRequest = userRequest;
+		this.external = true;
+	}
+
+	libIdent() {
+		return this.userRequest;
+	}
+
+	chunkCondition(chunk) {
+		return chunk.hasEntryModule();
+	}
+
+	identifier() {
+		return "external " + JSON.stringify(this.request);
+	}
+
+	readableIdentifier() {
+		return "external " + JSON.stringify(this.request);
+	}
+
+	needRebuild() {
+		return false;
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = {};
+		this.buildInfo = {};
+		callback();
+	}
+
+	getSourceForGlobalVariableExternal(variableName, type) {
+		if (!Array.isArray(variableName)) {
+			// make it an array as the look up works the same basically
+			variableName = [variableName];
+		}
+
+		// needed for e.g. window["some"]["thing"]
+		const objectLookup = variableName
+			.map(r => `[${JSON.stringify(r)}]`)
+			.join("");
+		return `(function() { module.exports = ${type}${objectLookup}; }());`;
+	}
+
+	getSourceForCommonJsExternal(moduleAndSpecifiers) {
+		if (!Array.isArray(moduleAndSpecifiers)) {
+			return `module.exports = require(${JSON.stringify(
+				moduleAndSpecifiers
+			)});`;
+		}
+
+		const moduleName = moduleAndSpecifiers[0];
+		const objectLookup = moduleAndSpecifiers
+			.slice(1)
+			.map(r => `[${JSON.stringify(r)}]`)
+			.join("");
+		return `module.exports = require(${JSON.stringify(
+			moduleName
+		)})${objectLookup};`;
+	}
+
+	checkExternalVariable(variableToCheck, request) {
+		return `if(typeof ${variableToCheck} === 'undefined') {${WebpackMissingModule.moduleCode(
+			request
+		)}}\n`;
+	}
+
+	getSourceForAmdOrUmdExternal(id, optional, request) {
+		const externalVariable = `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(
+			`${id}`
+		)}__`;
+		const missingModuleError = optional
+			? this.checkExternalVariable(externalVariable, request)
+			: "";
+		return `${missingModuleError}module.exports = ${externalVariable};`;
+	}
+
+	getSourceForDefaultCase(optional, request) {
+		if (!Array.isArray(request)) {
+			// make it an array as the look up works the same basically
+			request = [request];
+		}
+
+		const variableName = request[0];
+		const missingModuleError = optional
+			? this.checkExternalVariable(variableName, request.join("."))
+			: "";
+		const objectLookup = request
+			.slice(1)
+			.map(r => `[${JSON.stringify(r)}]`)
+			.join("");
+		return `${missingModuleError}module.exports = ${variableName}${objectLookup};`;
+	}
+
+	getSourceString(runtime) {
+		const request =
+			typeof this.request === "object" && !Array.isArray(this.request)
+				? this.request[this.externalType]
+				: this.request;
+		switch (this.externalType) {
+			case "this":
+			case "window":
+			case "self":
+				return this.getSourceForGlobalVariableExternal(
+					request,
+					this.externalType
+				);
+			case "global":
+				return this.getSourceForGlobalVariableExternal(
+					request,
+					runtime.outputOptions.globalObject
+				);
+			case "commonjs":
+			case "commonjs2":
+				return this.getSourceForCommonJsExternal(request);
+			case "amd":
+			case "amd-require":
+			case "umd":
+			case "umd2":
+			case "system":
+				return this.getSourceForAmdOrUmdExternal(
+					this.id,
+					this.optional,
+					request
+				);
+			default:
+				return this.getSourceForDefaultCase(this.optional, request);
+		}
+	}
+
+	getSource(sourceString) {
+		if (this.useSourceMap) {
+			return new OriginalSource(sourceString, this.identifier());
+		}
+
+		return new RawSource(sourceString);
+	}
+
+	source(dependencyTemplates, runtime) {
+		return this.getSource(this.getSourceString(runtime));
+	}
+
+	size() {
+		return 42;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(this.externalType);
+		hash.update(JSON.stringify(this.request));
+		hash.update(JSON.stringify(Boolean(this.optional)));
+		super.updateHash(hash);
+	}
+}
+
+module.exports = ExternalModule;
diff --git a/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js b/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js
new file mode 100644
index 00000000..b75cc747
--- /dev/null
+++ b/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js
@@ -0,0 +1,110 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ExternalModule = require("./ExternalModule");
+
+class ExternalModuleFactoryPlugin {
+	constructor(type, externals) {
+		this.type = type;
+		this.externals = externals;
+	}
+
+	apply(normalModuleFactory) {
+		const globalType = this.type;
+		normalModuleFactory.hooks.factory.tap(
+			"ExternalModuleFactoryPlugin",
+			factory => (data, callback) => {
+				const context = data.context;
+				const dependency = data.dependencies[0];
+
+				const handleExternal = (value, type, callback) => {
+					if (typeof type === "function") {
+						callback = type;
+						type = undefined;
+					}
+					if (value === false) return factory(data, callback);
+					if (value === true) value = dependency.request;
+					if (type === undefined && /^[a-z0-9]+ /.test(value)) {
+						const idx = value.indexOf(" ");
+						type = value.substr(0, idx);
+						value = value.substr(idx + 1);
+					}
+					callback(
+						null,
+						new ExternalModule(value, type || globalType, dependency.request)
+					);
+					return true;
+				};
+
+				const handleExternals = (externals, callback) => {
+					if (typeof externals === "string") {
+						if (externals === dependency.request) {
+							return handleExternal(dependency.request, callback);
+						}
+					} else if (Array.isArray(externals)) {
+						let i = 0;
+						const next = () => {
+							let asyncFlag;
+							const handleExternalsAndCallback = (err, module) => {
+								if (err) return callback(err);
+								if (!module) {
+									if (asyncFlag) {
+										asyncFlag = false;
+										return;
+									}
+									return next();
+								}
+								callback(null, module);
+							};
+
+							do {
+								asyncFlag = true;
+								if (i >= externals.length) return callback();
+								handleExternals(externals[i++], handleExternalsAndCallback);
+							} while (!asyncFlag);
+							asyncFlag = false;
+						};
+
+						next();
+						return;
+					} else if (externals instanceof RegExp) {
+						if (externals.test(dependency.request)) {
+							return handleExternal(dependency.request, callback);
+						}
+					} else if (typeof externals === "function") {
+						externals.call(
+							null,
+							context,
+							dependency.request,
+							(err, value, type) => {
+								if (err) return callback(err);
+								if (value !== undefined) {
+									handleExternal(value, type, callback);
+								} else {
+									callback();
+								}
+							}
+						);
+						return;
+					} else if (
+						typeof externals === "object" &&
+						Object.prototype.hasOwnProperty.call(externals, dependency.request)
+					) {
+						return handleExternal(externals[dependency.request], callback);
+					}
+					callback();
+				};
+
+				handleExternals(this.externals, (err, module) => {
+					if (err) return callback(err);
+					if (!module) return handleExternal(false, callback);
+					return callback(null, module);
+				});
+			}
+		);
+	}
+}
+module.exports = ExternalModuleFactoryPlugin;
diff --git a/node_modules/webpack/lib/ExternalsPlugin.js b/node_modules/webpack/lib/ExternalsPlugin.js
new file mode 100644
index 00000000..697f1aaa
--- /dev/null
+++ b/node_modules/webpack/lib/ExternalsPlugin.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
+
+class ExternalsPlugin {
+	constructor(type, externals) {
+		this.type = type;
+		this.externals = externals;
+	}
+	apply(compiler) {
+		compiler.hooks.compile.tap("ExternalsPlugin", ({ normalModuleFactory }) => {
+			new ExternalModuleFactoryPlugin(this.type, this.externals).apply(
+				normalModuleFactory
+			);
+		});
+	}
+}
+
+module.exports = ExternalsPlugin;
diff --git a/node_modules/webpack/lib/FlagAllModulesAsUsedPlugin.js b/node_modules/webpack/lib/FlagAllModulesAsUsedPlugin.js
new file mode 100644
index 00000000..db783cf9
--- /dev/null
+++ b/node_modules/webpack/lib/FlagAllModulesAsUsedPlugin.js
@@ -0,0 +1,38 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class FlagAllModulesAsUsedPlugin {
+	constructor(explanation) {
+		this.explanation = explanation;
+	}
+
+	/**
+	 * @param {Compiler} compiler webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"FlagAllModulesAsUsedPlugin",
+			compilation => {
+				compilation.hooks.optimizeDependencies.tap(
+					"FlagAllModulesAsUsedPlugin",
+					modules => {
+						for (const module of modules) {
+							module.used = true;
+							module.usedExports = true;
+							module.addReason(null, null, this.explanation);
+						}
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = FlagAllModulesAsUsedPlugin;
diff --git a/node_modules/webpack/lib/FlagDependencyExportsPlugin.js b/node_modules/webpack/lib/FlagDependencyExportsPlugin.js
new file mode 100644
index 00000000..72231dfd
--- /dev/null
+++ b/node_modules/webpack/lib/FlagDependencyExportsPlugin.js
@@ -0,0 +1,174 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Queue = require("./util/Queue");
+
+const addToSet = (a, b) => {
+	for (const item of b) {
+		a.add(item);
+	}
+};
+
+class FlagDependencyExportsPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"FlagDependencyExportsPlugin",
+			compilation => {
+				compilation.hooks.finishModules.tap(
+					"FlagDependencyExportsPlugin",
+					modules => {
+						const dependencies = new Map();
+
+						const queue = new Queue();
+
+						let module;
+						let moduleWithExports;
+						let moduleProvidedExports;
+						let providedExportsAreTemporary;
+
+						const processDependenciesBlock = depBlock => {
+							for (const dep of depBlock.dependencies) {
+								if (processDependency(dep)) return true;
+							}
+							for (const variable of depBlock.variables) {
+								for (const dep of variable.dependencies) {
+									if (processDependency(dep)) return true;
+								}
+							}
+							for (const block of depBlock.blocks) {
+								if (processDependenciesBlock(block)) return true;
+							}
+							return false;
+						};
+
+						const processDependency = dep => {
+							const exportDesc = dep.getExports && dep.getExports();
+							if (!exportDesc) return;
+							moduleWithExports = true;
+							const exports = exportDesc.exports;
+							// break early if it's only in the worst state
+							if (module.buildMeta.providedExports === true) {
+								return true;
+							}
+							// break if it should move to the worst state
+							if (exports === true) {
+								module.buildMeta.providedExports = true;
+								return true;
+							}
+							// merge in new exports
+							if (Array.isArray(exports)) {
+								addToSet(moduleProvidedExports, exports);
+							}
+							// store dependencies
+							const exportDeps = exportDesc.dependencies;
+							if (exportDeps) {
+								providedExportsAreTemporary = true;
+								for (const exportDependency of exportDeps) {
+									// add dependency for this module
+									const set = dependencies.get(exportDependency);
+									if (set === undefined) {
+										dependencies.set(exportDependency, new Set([module]));
+									} else {
+										set.add(module);
+									}
+								}
+							}
+							return false;
+						};
+
+						const notifyDependencies = () => {
+							const deps = dependencies.get(module);
+							if (deps !== undefined) {
+								for (const dep of deps) {
+									queue.enqueue(dep);
+								}
+							}
+						};
+
+						const notifyDependenciesIfDifferent = (set, array) => {
+							const deps = dependencies.get(module);
+							if (deps !== undefined) {
+								if (set.size === array.length) {
+									let i = 0;
+									let different = false;
+									for (const item of set) {
+										if (item !== array[i++]) {
+											different = true;
+											break;
+										}
+									}
+									if (!different) return;
+								}
+								for (const dep of deps) {
+									queue.enqueue(dep);
+								}
+							}
+						};
+
+						// Start with all modules without provided exports
+						for (const module of modules) {
+							if (module.buildInfo.temporaryProvidedExports) {
+								// Clear exports when they are temporary
+								// and recreate them
+								module.buildMeta.providedExports = null;
+								queue.enqueue(module);
+							} else if (!module.buildMeta.providedExports) {
+								queue.enqueue(module);
+							}
+						}
+
+						while (queue.length > 0) {
+							module = queue.dequeue();
+
+							if (module.buildMeta.providedExports !== true) {
+								moduleWithExports =
+									module.buildMeta && module.buildMeta.exportsType;
+								moduleProvidedExports = new Set();
+								providedExportsAreTemporary = false;
+								processDependenciesBlock(module);
+								module.buildInfo.temporaryProvidedExports = providedExportsAreTemporary;
+								if (!moduleWithExports) {
+									notifyDependencies();
+									module.buildMeta.providedExports = true;
+								} else if (module.buildMeta.providedExports === true) {
+									notifyDependencies();
+								} else if (!module.buildMeta.providedExports) {
+									notifyDependencies();
+									module.buildMeta.providedExports = Array.from(
+										moduleProvidedExports
+									);
+								} else {
+									notifyDependenciesIfDifferent(
+										moduleProvidedExports,
+										module.buildMeta.providedExports
+									);
+									module.buildMeta.providedExports = Array.from(
+										moduleProvidedExports
+									);
+								}
+							}
+						}
+					}
+				);
+				const providedExportsCache = new WeakMap();
+				compilation.hooks.rebuildModule.tap(
+					"FlagDependencyExportsPlugin",
+					module => {
+						providedExportsCache.set(module, module.buildMeta.providedExports);
+					}
+				);
+				compilation.hooks.finishRebuildingModule.tap(
+					"FlagDependencyExportsPlugin",
+					module => {
+						module.buildMeta.providedExports = providedExportsCache.get(module);
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = FlagDependencyExportsPlugin;
diff --git a/node_modules/webpack/lib/FlagDependencyUsagePlugin.js b/node_modules/webpack/lib/FlagDependencyUsagePlugin.js
new file mode 100644
index 00000000..2f2a52ee
--- /dev/null
+++ b/node_modules/webpack/lib/FlagDependencyUsagePlugin.js
@@ -0,0 +1,116 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
+
+/** @typedef {false | true | string[]} UsedExports */
+
+const addToSet = (a, b) => {
+	for (const item of b) {
+		if (!a.includes(item)) a.push(item);
+	}
+	return a;
+};
+
+const isSubset = (biggerSet, subset) => {
+	if (biggerSet === true) return true;
+	if (subset === true) return false;
+	return subset.every(item => biggerSet.indexOf(item) >= 0);
+};
+
+class FlagDependencyUsagePlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("FlagDependencyUsagePlugin", compilation => {
+			compilation.hooks.optimizeDependencies.tap(
+				"FlagDependencyUsagePlugin",
+				modules => {
+					const processModule = (module, usedExports) => {
+						module.used = true;
+						if (module.usedExports === true) return;
+						if (usedExports === true) {
+							module.usedExports = true;
+						} else if (Array.isArray(usedExports)) {
+							const old = module.usedExports ? module.usedExports.length : -1;
+							module.usedExports = addToSet(
+								module.usedExports || [],
+								usedExports
+							);
+							if (module.usedExports.length === old) {
+								return;
+							}
+						} else if (Array.isArray(module.usedExports)) {
+							return;
+						} else {
+							module.usedExports = false;
+						}
+
+						// for a module without side effects we stop tracking usage here when no export is used
+						// This module won't be evaluated in this case
+						if (module.factoryMeta.sideEffectFree) {
+							if (module.usedExports === false) return;
+							if (
+								Array.isArray(module.usedExports) &&
+								module.usedExports.length === 0
+							)
+								return;
+						}
+
+						queue.push([module, module, module.usedExports]);
+					};
+
+					const processDependenciesBlock = (module, depBlock, usedExports) => {
+						for (const dep of depBlock.dependencies) {
+							processDependency(module, dep);
+						}
+						for (const variable of depBlock.variables) {
+							for (const dep of variable.dependencies) {
+								processDependency(module, dep);
+							}
+						}
+						for (const block of depBlock.blocks) {
+							queue.push([module, block, usedExports]);
+						}
+					};
+
+					const processDependency = (module, dep) => {
+						const reference = compilation.getDependencyReference(module, dep);
+						if (!reference) return;
+						const referenceModule = reference.module;
+						const importedNames = reference.importedNames;
+						const oldUsed = referenceModule.used;
+						const oldUsedExports = referenceModule.usedExports;
+						if (
+							!oldUsed ||
+							(importedNames &&
+								(!oldUsedExports || !isSubset(oldUsedExports, importedNames)))
+						) {
+							processModule(referenceModule, importedNames);
+						}
+					};
+
+					for (const module of modules) {
+						if (!module.used) module.used = false;
+					}
+
+					/** @type {[Module, DependenciesBlock, UsedExports][]} */
+					const queue = [];
+					for (const preparedEntrypoint of compilation._preparedEntrypoints) {
+						if (preparedEntrypoint.module) {
+							processModule(preparedEntrypoint.module, true);
+						}
+					}
+
+					while (queue.length) {
+						const queueItem = queue.pop();
+						processDependenciesBlock(queueItem[0], queueItem[1], queueItem[2]);
+					}
+				}
+			);
+		});
+	}
+}
+module.exports = FlagDependencyUsagePlugin;
diff --git a/node_modules/webpack/lib/FlagInitialModulesAsUsedPlugin.js b/node_modules/webpack/lib/FlagInitialModulesAsUsedPlugin.js
new file mode 100644
index 00000000..7272ddb3
--- /dev/null
+++ b/node_modules/webpack/lib/FlagInitialModulesAsUsedPlugin.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class FlagInitialModulesAsUsedPlugin {
+	constructor(explanation) {
+		this.explanation = explanation;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"FlagInitialModulesAsUsedPlugin",
+			compilation => {
+				compilation.hooks.afterOptimizeChunks.tap(
+					"FlagInitialModulesAsUsedPlugin",
+					chunks => {
+						for (const chunk of chunks) {
+							if (!chunk.isOnlyInitial()) {
+								return;
+							}
+							for (const module of chunk.modulesIterable) {
+								module.used = true;
+								module.usedExports = true;
+								module.addReason(null, null, this.explanation);
+							}
+						}
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = FlagInitialModulesAsUsedPlugin;
diff --git a/node_modules/webpack/lib/FunctionModulePlugin.js b/node_modules/webpack/lib/FunctionModulePlugin.js
new file mode 100644
index 00000000..fc4b2707
--- /dev/null
+++ b/node_modules/webpack/lib/FunctionModulePlugin.js
@@ -0,0 +1,19 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const FunctionModuleTemplatePlugin = require("./FunctionModuleTemplatePlugin");
+
+class FunctionModulePlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("FunctionModulePlugin", compilation => {
+			new FunctionModuleTemplatePlugin().apply(
+				compilation.moduleTemplates.javascript
+			);
+		});
+	}
+}
+
+module.exports = FunctionModulePlugin;
diff --git a/node_modules/webpack/lib/FunctionModuleTemplatePlugin.js b/node_modules/webpack/lib/FunctionModuleTemplatePlugin.js
new file mode 100644
index 00000000..3402d997
--- /dev/null
+++ b/node_modules/webpack/lib/FunctionModuleTemplatePlugin.js
@@ -0,0 +1,102 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const Template = require("./Template");
+
+class FunctionModuleTemplatePlugin {
+	apply(moduleTemplate) {
+		moduleTemplate.hooks.render.tap(
+			"FunctionModuleTemplatePlugin",
+			(moduleSource, module) => {
+				const source = new ConcatSource();
+				const args = [module.moduleArgument];
+				// TODO remove HACK checking type for javascript
+				if (module.type && module.type.startsWith("javascript")) {
+					args.push(module.exportsArgument);
+					if (module.hasDependencies(d => d.requireWebpackRequire !== false)) {
+						args.push("__webpack_require__");
+					}
+				} else if (module.type && module.type.startsWith("json")) {
+					// no additional arguments needed
+				} else {
+					args.push(module.exportsArgument, "__webpack_require__");
+				}
+				source.add("/***/ (function(" + args.join(", ") + ") {\n\n");
+				if (module.buildInfo.strict) source.add('"use strict";\n');
+				source.add(moduleSource);
+				source.add("\n\n/***/ })");
+				return source;
+			}
+		);
+
+		moduleTemplate.hooks.package.tap(
+			"FunctionModuleTemplatePlugin",
+			(moduleSource, module) => {
+				if (moduleTemplate.runtimeTemplate.outputOptions.pathinfo) {
+					const source = new ConcatSource();
+					const req = module.readableIdentifier(
+						moduleTemplate.runtimeTemplate.requestShortener
+					);
+					const reqStr = req.replace(/\*\//g, "*_/");
+					const reqStrStar = "*".repeat(reqStr.length);
+					source.add("/*!****" + reqStrStar + "****!*\\\n");
+					source.add("  !*** " + reqStr + " ***!\n");
+					source.add("  \\****" + reqStrStar + "****/\n");
+					if (
+						Array.isArray(module.buildMeta.providedExports) &&
+						module.buildMeta.providedExports.length === 0
+					) {
+						source.add(Template.toComment("no exports provided") + "\n");
+					} else if (Array.isArray(module.buildMeta.providedExports)) {
+						source.add(
+							Template.toComment(
+								"exports provided: " +
+									module.buildMeta.providedExports.join(", ")
+							) + "\n"
+						);
+					} else if (module.buildMeta.providedExports) {
+						source.add(Template.toComment("no static exports found") + "\n");
+					}
+					if (
+						Array.isArray(module.usedExports) &&
+						module.usedExports.length === 0
+					) {
+						source.add(Template.toComment("no exports used") + "\n");
+					} else if (Array.isArray(module.usedExports)) {
+						source.add(
+							Template.toComment(
+								"exports used: " + module.usedExports.join(", ")
+							) + "\n"
+						);
+					} else if (module.usedExports) {
+						source.add(Template.toComment("all exports used") + "\n");
+					}
+					if (module.optimizationBailout) {
+						for (const text of module.optimizationBailout) {
+							let code;
+							if (typeof text === "function") {
+								code = text(moduleTemplate.runtimeTemplate.requestShortener);
+							} else {
+								code = text;
+							}
+							source.add(Template.toComment(`${code}`) + "\n");
+						}
+					}
+					source.add(moduleSource);
+					return source;
+				}
+				return moduleSource;
+			}
+		);
+
+		moduleTemplate.hooks.hash.tap("FunctionModuleTemplatePlugin", hash => {
+			hash.update("FunctionModuleTemplatePlugin");
+			hash.update("2");
+		});
+	}
+}
+module.exports = FunctionModuleTemplatePlugin;
diff --git a/node_modules/webpack/lib/Generator.js b/node_modules/webpack/lib/Generator.js
new file mode 100644
index 00000000..655a9b1d
--- /dev/null
+++ b/node_modules/webpack/lib/Generator.js
@@ -0,0 +1,60 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("./NormalModule")} NormalModule */
+/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate */
+
+/**
+ *
+ */
+class Generator {
+	static byType(map) {
+		return new ByTypeGenerator(map);
+	}
+
+	/**
+	 * @abstract
+	 * @param {NormalModule} module module for which the code should be generated
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates mapping from dependencies to templates
+	 * @param {RuntimeTemplate} runtimeTemplate the runtime template
+	 * @param {string} type which kind of code should be generated
+	 * @returns {Source} generated code
+	 */
+	generate(module, dependencyTemplates, runtimeTemplate, type) {
+		throw new Error("Generator.generate: must be overridden");
+	}
+}
+
+class ByTypeGenerator extends Generator {
+	constructor(map) {
+		super();
+		this.map = map;
+	}
+
+	/**
+	 * @param {NormalModule} module module for which the code should be generated
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates mapping from dependencies to templates
+	 * @param {RuntimeTemplate} runtimeTemplate the runtime template
+	 * @param {string} type which kind of code should be generated
+	 * @returns {Source} generated code
+	 */
+	generate(module, dependencyTemplates, runtimeTemplate, type) {
+		const generator = this.map[type];
+		if (!generator) {
+			throw new Error(`Generator.byType: no generator specified for ${type}`);
+		}
+		return generator.generate(
+			module,
+			dependencyTemplates,
+			runtimeTemplate,
+			type
+		);
+	}
+}
+
+module.exports = Generator;
diff --git a/node_modules/webpack/lib/GraphHelpers.js b/node_modules/webpack/lib/GraphHelpers.js
new file mode 100644
index 00000000..73c56744
--- /dev/null
+++ b/node_modules/webpack/lib/GraphHelpers.js
@@ -0,0 +1,65 @@
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
+/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
+
+/**
+ * @param {ChunkGroup} chunkGroup the ChunkGroup to connect
+ * @param {Chunk} chunk chunk to tie to ChunkGroup
+ * @returns {void}
+ */
+const connectChunkGroupAndChunk = (chunkGroup, chunk) => {
+	if (chunkGroup.pushChunk(chunk)) {
+		chunk.addGroup(chunkGroup);
+	}
+};
+
+/**
+ * @param {ChunkGroup} parent parent ChunkGroup to connect
+ * @param {ChunkGroup} child child ChunkGroup to connect
+ * @returns {void}
+ */
+const connectChunkGroupParentAndChild = (parent, child) => {
+	if (parent.addChild(child)) {
+		child.addParent(parent);
+	}
+};
+
+/**
+ * @param {Chunk} chunk Chunk to connect to Module
+ * @param {Module} module Module to connect to Chunk
+ * @returns {void}
+ */
+const connectChunkAndModule = (chunk, module) => {
+	if (module.addChunk(chunk)) {
+		chunk.addModule(module);
+	}
+};
+
+/**
+ * @param {Chunk} chunk Chunk being disconnected
+ * @param {Module} module Module being disconnected
+ * @returns {void}
+ */
+const disconnectChunkAndModule = (chunk, module) => {
+	chunk.removeModule(module);
+	module.removeChunk(chunk);
+};
+
+/**
+ * @param {AsyncDependenciesBlock} depBlock DepBlock being tied to ChunkGroup
+ * @param {ChunkGroup} chunkGroup ChunkGroup being tied to DepBlock
+ * @returns {void}
+ */
+const connectDependenciesBlockAndChunkGroup = (depBlock, chunkGroup) => {
+	if (chunkGroup.addBlock(depBlock)) {
+		depBlock.chunkGroup = chunkGroup;
+	}
+};
+
+exports.connectChunkGroupAndChunk = connectChunkGroupAndChunk;
+exports.connectChunkGroupParentAndChild = connectChunkGroupParentAndChild;
+exports.connectChunkAndModule = connectChunkAndModule;
+exports.disconnectChunkAndModule = disconnectChunkAndModule;
+exports.connectDependenciesBlockAndChunkGroup = connectDependenciesBlockAndChunkGroup;
diff --git a/node_modules/webpack/lib/HarmonyLinkingError.js b/node_modules/webpack/lib/HarmonyLinkingError.js
new file mode 100644
index 00000000..78ce16dd
--- /dev/null
+++ b/node_modules/webpack/lib/HarmonyLinkingError.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class HarmonyLinkingError extends WebpackError {
+	/** @param {string} message Error message */
+	constructor(message) {
+		super(message);
+		this.name = "HarmonyLinkingError";
+		this.hideStack = true;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/HashedModuleIdsPlugin.js b/node_modules/webpack/lib/HashedModuleIdsPlugin.js
new file mode 100644
index 00000000..7a860f74
--- /dev/null
+++ b/node_modules/webpack/lib/HashedModuleIdsPlugin.js
@@ -0,0 +1,63 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const createHash = require("./util/createHash");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/HashedModuleIdsPlugin.json");
+
+/** @typedef {import("../declarations/plugins/HashedModuleIdsPlugin").HashedModuleIdsPluginOptions} HashedModuleIdsPluginOptions */
+
+class HashedModuleIdsPlugin {
+	/**
+	 * @param {HashedModuleIdsPluginOptions=} options options object
+	 */
+	constructor(options) {
+		if (!options) options = {};
+
+		validateOptions(schema, options, "Hashed Module Ids Plugin");
+
+		/** @type {HashedModuleIdsPluginOptions} */
+		this.options = Object.assign(
+			{
+				context: null,
+				hashFunction: "md4",
+				hashDigest: "base64",
+				hashDigestLength: 4
+			},
+			options
+		);
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap("HashedModuleIdsPlugin", compilation => {
+			const usedIds = new Set();
+			compilation.hooks.beforeModuleIds.tap(
+				"HashedModuleIdsPlugin",
+				modules => {
+					for (const module of modules) {
+						if (module.id === null && module.libIdent) {
+							const id = module.libIdent({
+								context: this.options.context || compiler.options.context
+							});
+							const hash = createHash(options.hashFunction);
+							hash.update(id);
+							const hashId = /** @type {string} */ (hash.digest(
+								options.hashDigest
+							));
+							let len = options.hashDigestLength;
+							while (usedIds.has(hashId.substr(0, len))) len++;
+							module.id = hashId.substr(0, len);
+							usedIds.add(module.id);
+						}
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = HashedModuleIdsPlugin;
diff --git a/node_modules/webpack/lib/HotModuleReplacement.runtime.js b/node_modules/webpack/lib/HotModuleReplacement.runtime.js
new file mode 100644
index 00000000..02b3e8c9
--- /dev/null
+++ b/node_modules/webpack/lib/HotModuleReplacement.runtime.js
@@ -0,0 +1,721 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+// eslint-disable no-unused-vars
+var $hash$ = undefined;
+var $requestTimeout$ = undefined;
+var installedModules = undefined;
+var $require$ = undefined;
+var hotDownloadManifest = undefined;
+var hotDownloadUpdateChunk = undefined;
+var hotDisposeChunk = undefined;
+var modules = undefined;
+var chunkId = undefined;
+
+module.exports = function() {
+	var hotApplyOnUpdate = true;
+	// eslint-disable-next-line no-unused-vars
+	var hotCurrentHash = $hash$;
+	var hotRequestTimeout = $requestTimeout$;
+	var hotCurrentModuleData = {};
+	var hotCurrentChildModule;
+	// eslint-disable-next-line no-unused-vars
+	var hotCurrentParents = [];
+	// eslint-disable-next-line no-unused-vars
+	var hotCurrentParentsTemp = [];
+
+	// eslint-disable-next-line no-unused-vars
+	function hotCreateRequire(moduleId) {
+		var me = installedModules[moduleId];
+		if (!me) return $require$;
+		var fn = function(request) {
+			if (me.hot.active) {
+				if (installedModules[request]) {
+					if (installedModules[request].parents.indexOf(moduleId) === -1) {
+						installedModules[request].parents.push(moduleId);
+					}
+				} else {
+					hotCurrentParents = [moduleId];
+					hotCurrentChildModule = request;
+				}
+				if (me.children.indexOf(request) === -1) {
+					me.children.push(request);
+				}
+			} else {
+				console.warn(
+					"[HMR] unexpected require(" +
+						request +
+						") from disposed module " +
+						moduleId
+				);
+				hotCurrentParents = [];
+			}
+			return $require$(request);
+		};
+		var ObjectFactory = function ObjectFactory(name) {
+			return {
+				configurable: true,
+				enumerable: true,
+				get: function() {
+					return $require$[name];
+				},
+				set: function(value) {
+					$require$[name] = value;
+				}
+			};
+		};
+		for (var name in $require$) {
+			if (
+				Object.prototype.hasOwnProperty.call($require$, name) &&
+				name !== "e" &&
+				name !== "t"
+			) {
+				Object.defineProperty(fn, name, ObjectFactory(name));
+			}
+		}
+		fn.e = function(chunkId) {
+			if (hotStatus === "ready") hotSetStatus("prepare");
+			hotChunksLoading++;
+			return $require$.e(chunkId).then(finishChunkLoading, function(err) {
+				finishChunkLoading();
+				throw err;
+			});
+
+			function finishChunkLoading() {
+				hotChunksLoading--;
+				if (hotStatus === "prepare") {
+					if (!hotWaitingFilesMap[chunkId]) {
+						hotEnsureUpdateChunk(chunkId);
+					}
+					if (hotChunksLoading === 0 && hotWaitingFiles === 0) {
+						hotUpdateDownloaded();
+					}
+				}
+			}
+		};
+		fn.t = function(value, mode) {
+			if (mode & 1) value = fn(value);
+			return $require$.t(value, mode & ~1);
+		};
+		return fn;
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotCreateModule(moduleId) {
+		var hot = {
+			// private stuff
+			_acceptedDependencies: {},
+			_declinedDependencies: {},
+			_selfAccepted: false,
+			_selfDeclined: false,
+			_selfInvalidated: false,
+			_disposeHandlers: [],
+			_main: hotCurrentChildModule !== moduleId,
+
+			// Module API
+			active: true,
+			accept: function(dep, callback) {
+				if (dep === undefined) hot._selfAccepted = true;
+				else if (typeof dep === "function") hot._selfAccepted = dep;
+				else if (typeof dep === "object")
+					for (var i = 0; i < dep.length; i++)
+						hot._acceptedDependencies[dep[i]] = callback || function() {};
+				else hot._acceptedDependencies[dep] = callback || function() {};
+			},
+			decline: function(dep) {
+				if (dep === undefined) hot._selfDeclined = true;
+				else if (typeof dep === "object")
+					for (var i = 0; i < dep.length; i++)
+						hot._declinedDependencies[dep[i]] = true;
+				else hot._declinedDependencies[dep] = true;
+			},
+			dispose: function(callback) {
+				hot._disposeHandlers.push(callback);
+			},
+			addDisposeHandler: function(callback) {
+				hot._disposeHandlers.push(callback);
+			},
+			removeDisposeHandler: function(callback) {
+				var idx = hot._disposeHandlers.indexOf(callback);
+				if (idx >= 0) hot._disposeHandlers.splice(idx, 1);
+			},
+			invalidate: function() {
+				this._selfInvalidated = true;
+				switch (hotStatus) {
+					case "idle":
+						hotUpdate = {};
+						hotUpdate[moduleId] = modules[moduleId];
+						hotSetStatus("ready");
+						break;
+					case "ready":
+						hotApplyInvalidatedModule(moduleId);
+						break;
+					case "prepare":
+					case "check":
+					case "dispose":
+					case "apply":
+						(hotQueuedInvalidatedModules =
+							hotQueuedInvalidatedModules || []).push(moduleId);
+						break;
+					default:
+						// ignore requests in error states
+						break;
+				}
+			},
+
+			// Management API
+			check: hotCheck,
+			apply: hotApply,
+			status: function(l) {
+				if (!l) return hotStatus;
+				hotStatusHandlers.push(l);
+			},
+			addStatusHandler: function(l) {
+				hotStatusHandlers.push(l);
+			},
+			removeStatusHandler: function(l) {
+				var idx = hotStatusHandlers.indexOf(l);
+				if (idx >= 0) hotStatusHandlers.splice(idx, 1);
+			},
+
+			//inherit from previous dispose call
+			data: hotCurrentModuleData[moduleId]
+		};
+		hotCurrentChildModule = undefined;
+		return hot;
+	}
+
+	var hotStatusHandlers = [];
+	var hotStatus = "idle";
+
+	function hotSetStatus(newStatus) {
+		hotStatus = newStatus;
+		for (var i = 0; i < hotStatusHandlers.length; i++)
+			hotStatusHandlers[i].call(null, newStatus);
+	}
+
+	// while downloading
+	var hotWaitingFiles = 0;
+	var hotChunksLoading = 0;
+	var hotWaitingFilesMap = {};
+	var hotRequestedFilesMap = {};
+	var hotAvailableFilesMap = {};
+	var hotDeferred;
+
+	// The update info
+	var hotUpdate, hotUpdateNewHash, hotQueuedInvalidatedModules;
+
+	function toModuleId(id) {
+		var isNumber = +id + "" === id;
+		return isNumber ? +id : id;
+	}
+
+	function hotCheck(apply) {
+		if (hotStatus !== "idle") {
+			throw new Error("check() is only allowed in idle status");
+		}
+		hotApplyOnUpdate = apply;
+		hotSetStatus("check");
+		return hotDownloadManifest(hotRequestTimeout).then(function(update) {
+			if (!update) {
+				hotSetStatus(hotApplyInvalidatedModules() ? "ready" : "idle");
+				return null;
+			}
+			hotRequestedFilesMap = {};
+			hotWaitingFilesMap = {};
+			hotAvailableFilesMap = update.c;
+			hotUpdateNewHash = update.h;
+
+			hotSetStatus("prepare");
+			var promise = new Promise(function(resolve, reject) {
+				hotDeferred = {
+					resolve: resolve,
+					reject: reject
+				};
+			});
+			hotUpdate = {};
+			/*foreachInstalledChunks*/
+			// eslint-disable-next-line no-lone-blocks
+			{
+				hotEnsureUpdateChunk(chunkId);
+			}
+			if (
+				hotStatus === "prepare" &&
+				hotChunksLoading === 0 &&
+				hotWaitingFiles === 0
+			) {
+				hotUpdateDownloaded();
+			}
+			return promise;
+		});
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotAddUpdateChunk(chunkId, moreModules) {
+		if (!hotAvailableFilesMap[chunkId] || !hotRequestedFilesMap[chunkId])
+			return;
+		hotRequestedFilesMap[chunkId] = false;
+		for (var moduleId in moreModules) {
+			if (Object.prototype.hasOwnProperty.call(moreModules, moduleId)) {
+				hotUpdate[moduleId] = moreModules[moduleId];
+			}
+		}
+		if (--hotWaitingFiles === 0 && hotChunksLoading === 0) {
+			hotUpdateDownloaded();
+		}
+	}
+
+	function hotEnsureUpdateChunk(chunkId) {
+		if (!hotAvailableFilesMap[chunkId]) {
+			hotWaitingFilesMap[chunkId] = true;
+		} else {
+			hotRequestedFilesMap[chunkId] = true;
+			hotWaitingFiles++;
+			hotDownloadUpdateChunk(chunkId);
+		}
+	}
+
+	function hotUpdateDownloaded() {
+		hotSetStatus("ready");
+		var deferred = hotDeferred;
+		hotDeferred = null;
+		if (!deferred) return;
+		if (hotApplyOnUpdate) {
+			// Wrap deferred object in Promise to mark it as a well-handled Promise to
+			// avoid triggering uncaught exception warning in Chrome.
+			// See https://bugs.chromium.org/p/chromium/issues/detail?id=465666
+			Promise.resolve()
+				.then(function() {
+					return hotApply(hotApplyOnUpdate);
+				})
+				.then(
+					function(result) {
+						deferred.resolve(result);
+					},
+					function(err) {
+						deferred.reject(err);
+					}
+				);
+		} else {
+			var outdatedModules = [];
+			for (var id in hotUpdate) {
+				if (Object.prototype.hasOwnProperty.call(hotUpdate, id)) {
+					outdatedModules.push(toModuleId(id));
+				}
+			}
+			deferred.resolve(outdatedModules);
+		}
+	}
+
+	function hotApply(options) {
+		if (hotStatus !== "ready")
+			throw new Error("apply() is only allowed in ready status");
+		options = options || {};
+		return hotApplyInternal(options);
+	}
+
+	function hotApplyInternal(options) {
+		hotApplyInvalidatedModules();
+
+		var cb;
+		var i;
+		var j;
+		var module;
+		var moduleId;
+
+		function getAffectedStuff(updateModuleId) {
+			var outdatedModules = [updateModuleId];
+			var outdatedDependencies = {};
+
+			var queue = outdatedModules.map(function(id) {
+				return {
+					chain: [id],
+					id: id
+				};
+			});
+			while (queue.length > 0) {
+				var queueItem = queue.pop();
+				var moduleId = queueItem.id;
+				var chain = queueItem.chain;
+				module = installedModules[moduleId];
+				if (
+					!module ||
+					(module.hot._selfAccepted && !module.hot._selfInvalidated)
+				)
+					continue;
+				if (module.hot._selfDeclined) {
+					return {
+						type: "self-declined",
+						chain: chain,
+						moduleId: moduleId
+					};
+				}
+				if (module.hot._main) {
+					return {
+						type: "unaccepted",
+						chain: chain,
+						moduleId: moduleId
+					};
+				}
+				for (var i = 0; i < module.parents.length; i++) {
+					var parentId = module.parents[i];
+					var parent = installedModules[parentId];
+					if (!parent) continue;
+					if (parent.hot._declinedDependencies[moduleId]) {
+						return {
+							type: "declined",
+							chain: chain.concat([parentId]),
+							moduleId: moduleId,
+							parentId: parentId
+						};
+					}
+					if (outdatedModules.indexOf(parentId) !== -1) continue;
+					if (parent.hot._acceptedDependencies[moduleId]) {
+						if (!outdatedDependencies[parentId])
+							outdatedDependencies[parentId] = [];
+						addAllToSet(outdatedDependencies[parentId], [moduleId]);
+						continue;
+					}
+					delete outdatedDependencies[parentId];
+					outdatedModules.push(parentId);
+					queue.push({
+						chain: chain.concat([parentId]),
+						id: parentId
+					});
+				}
+			}
+
+			return {
+				type: "accepted",
+				moduleId: updateModuleId,
+				outdatedModules: outdatedModules,
+				outdatedDependencies: outdatedDependencies
+			};
+		}
+
+		function addAllToSet(a, b) {
+			for (var i = 0; i < b.length; i++) {
+				var item = b[i];
+				if (a.indexOf(item) === -1) a.push(item);
+			}
+		}
+
+		// at begin all updates modules are outdated
+		// the "outdated" status can propagate to parents if they don't accept the children
+		var outdatedDependencies = {};
+		var outdatedModules = [];
+		var appliedUpdate = {};
+
+		var warnUnexpectedRequire = function warnUnexpectedRequire() {
+			console.warn(
+				"[HMR] unexpected require(" + result.moduleId + ") to disposed module"
+			);
+		};
+
+		for (var id in hotUpdate) {
+			if (Object.prototype.hasOwnProperty.call(hotUpdate, id)) {
+				moduleId = toModuleId(id);
+				/** @type {TODO} */
+				var result;
+				if (hotUpdate[id]) {
+					result = getAffectedStuff(moduleId);
+				} else {
+					result = {
+						type: "disposed",
+						moduleId: id
+					};
+				}
+				/** @type {Error|false} */
+				var abortError = false;
+				var doApply = false;
+				var doDispose = false;
+				var chainInfo = "";
+				if (result.chain) {
+					chainInfo = "\nUpdate propagation: " + result.chain.join(" -> ");
+				}
+				switch (result.type) {
+					case "self-declined":
+						if (options.onDeclined) options.onDeclined(result);
+						if (!options.ignoreDeclined)
+							abortError = new Error(
+								"Aborted because of self decline: " +
+									result.moduleId +
+									chainInfo
+							);
+						break;
+					case "declined":
+						if (options.onDeclined) options.onDeclined(result);
+						if (!options.ignoreDeclined)
+							abortError = new Error(
+								"Aborted because of declined dependency: " +
+									result.moduleId +
+									" in " +
+									result.parentId +
+									chainInfo
+							);
+						break;
+					case "unaccepted":
+						if (options.onUnaccepted) options.onUnaccepted(result);
+						if (!options.ignoreUnaccepted)
+							abortError = new Error(
+								"Aborted because " + moduleId + " is not accepted" + chainInfo
+							);
+						break;
+					case "accepted":
+						if (options.onAccepted) options.onAccepted(result);
+						doApply = true;
+						break;
+					case "disposed":
+						if (options.onDisposed) options.onDisposed(result);
+						doDispose = true;
+						break;
+					default:
+						throw new Error("Unexception type " + result.type);
+				}
+				if (abortError) {
+					hotSetStatus("abort");
+					return Promise.reject(abortError);
+				}
+				if (doApply) {
+					appliedUpdate[moduleId] = hotUpdate[moduleId];
+					addAllToSet(outdatedModules, result.outdatedModules);
+					for (moduleId in result.outdatedDependencies) {
+						if (
+							Object.prototype.hasOwnProperty.call(
+								result.outdatedDependencies,
+								moduleId
+							)
+						) {
+							if (!outdatedDependencies[moduleId])
+								outdatedDependencies[moduleId] = [];
+							addAllToSet(
+								outdatedDependencies[moduleId],
+								result.outdatedDependencies[moduleId]
+							);
+						}
+					}
+				}
+				if (doDispose) {
+					addAllToSet(outdatedModules, [result.moduleId]);
+					appliedUpdate[moduleId] = warnUnexpectedRequire;
+				}
+			}
+		}
+
+		// Store self accepted outdated modules to require them later by the module system
+		var outdatedSelfAcceptedModules = [];
+		for (i = 0; i < outdatedModules.length; i++) {
+			moduleId = outdatedModules[i];
+			if (
+				installedModules[moduleId] &&
+				installedModules[moduleId].hot._selfAccepted &&
+				// removed self-accepted modules should not be required
+				appliedUpdate[moduleId] !== warnUnexpectedRequire &&
+				// when called invalidate self-accepting is not possible
+				!installedModules[moduleId].hot._selfInvalidated
+			) {
+				outdatedSelfAcceptedModules.push({
+					module: moduleId,
+					parents: installedModules[moduleId].parents.slice(),
+					errorHandler: installedModules[moduleId].hot._selfAccepted
+				});
+			}
+		}
+
+		// Now in "dispose" phase
+		hotSetStatus("dispose");
+		Object.keys(hotAvailableFilesMap).forEach(function(chunkId) {
+			if (hotAvailableFilesMap[chunkId] === false) {
+				hotDisposeChunk(chunkId);
+			}
+		});
+
+		var idx;
+		var queue = outdatedModules.slice();
+		while (queue.length > 0) {
+			moduleId = queue.pop();
+			module = installedModules[moduleId];
+			if (!module) continue;
+
+			var data = {};
+
+			// Call dispose handlers
+			var disposeHandlers = module.hot._disposeHandlers;
+			for (j = 0; j < disposeHandlers.length; j++) {
+				cb = disposeHandlers[j];
+				cb(data);
+			}
+			hotCurrentModuleData[moduleId] = data;
+
+			// disable module (this disables requires from this module)
+			module.hot.active = false;
+
+			// remove module from cache
+			delete installedModules[moduleId];
+
+			// when disposing there is no need to call dispose handler
+			delete outdatedDependencies[moduleId];
+
+			// remove "parents" references from all children
+			for (j = 0; j < module.children.length; j++) {
+				var child = installedModules[module.children[j]];
+				if (!child) continue;
+				idx = child.parents.indexOf(moduleId);
+				if (idx >= 0) {
+					child.parents.splice(idx, 1);
+				}
+			}
+		}
+
+		// remove outdated dependency from module children
+		var dependency;
+		var moduleOutdatedDependencies;
+		for (moduleId in outdatedDependencies) {
+			if (
+				Object.prototype.hasOwnProperty.call(outdatedDependencies, moduleId)
+			) {
+				module = installedModules[moduleId];
+				if (module) {
+					moduleOutdatedDependencies = outdatedDependencies[moduleId];
+					for (j = 0; j < moduleOutdatedDependencies.length; j++) {
+						dependency = moduleOutdatedDependencies[j];
+						idx = module.children.indexOf(dependency);
+						if (idx >= 0) module.children.splice(idx, 1);
+					}
+				}
+			}
+		}
+
+		// Now in "apply" phase
+		hotSetStatus("apply");
+
+		if (hotUpdateNewHash !== undefined) {
+			hotCurrentHash = hotUpdateNewHash;
+			hotUpdateNewHash = undefined;
+		}
+		hotUpdate = undefined;
+
+		// insert new code
+		for (moduleId in appliedUpdate) {
+			if (Object.prototype.hasOwnProperty.call(appliedUpdate, moduleId)) {
+				modules[moduleId] = appliedUpdate[moduleId];
+			}
+		}
+
+		// call accept handlers
+		var error = null;
+		for (moduleId in outdatedDependencies) {
+			if (
+				Object.prototype.hasOwnProperty.call(outdatedDependencies, moduleId)
+			) {
+				module = installedModules[moduleId];
+				if (module) {
+					moduleOutdatedDependencies = outdatedDependencies[moduleId];
+					var callbacks = [];
+					for (i = 0; i < moduleOutdatedDependencies.length; i++) {
+						dependency = moduleOutdatedDependencies[i];
+						cb = module.hot._acceptedDependencies[dependency];
+						if (cb) {
+							if (callbacks.indexOf(cb) !== -1) continue;
+							callbacks.push(cb);
+						}
+					}
+					for (i = 0; i < callbacks.length; i++) {
+						cb = callbacks[i];
+						try {
+							cb(moduleOutdatedDependencies);
+						} catch (err) {
+							if (options.onErrored) {
+								options.onErrored({
+									type: "accept-errored",
+									moduleId: moduleId,
+									dependencyId: moduleOutdatedDependencies[i],
+									error: err
+								});
+							}
+							if (!options.ignoreErrored) {
+								if (!error) error = err;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		// Load self accepted modules
+		for (i = 0; i < outdatedSelfAcceptedModules.length; i++) {
+			var item = outdatedSelfAcceptedModules[i];
+			moduleId = item.module;
+			hotCurrentParents = item.parents;
+			hotCurrentChildModule = moduleId;
+			try {
+				$require$(moduleId);
+			} catch (err) {
+				if (typeof item.errorHandler === "function") {
+					try {
+						item.errorHandler(err);
+					} catch (err2) {
+						if (options.onErrored) {
+							options.onErrored({
+								type: "self-accept-error-handler-errored",
+								moduleId: moduleId,
+								error: err2,
+								originalError: err
+							});
+						}
+						if (!options.ignoreErrored) {
+							if (!error) error = err2;
+						}
+						if (!error) error = err;
+					}
+				} else {
+					if (options.onErrored) {
+						options.onErrored({
+							type: "self-accept-errored",
+							moduleId: moduleId,
+							error: err
+						});
+					}
+					if (!options.ignoreErrored) {
+						if (!error) error = err;
+					}
+				}
+			}
+		}
+
+		// handle errors in accept handlers and self accepted module load
+		if (error) {
+			hotSetStatus("fail");
+			return Promise.reject(error);
+		}
+
+		if (hotQueuedInvalidatedModules) {
+			return hotApplyInternal(options).then(function(list) {
+				outdatedModules.forEach(function(moduleId) {
+					if (list.indexOf(moduleId) < 0) list.push(moduleId);
+				});
+				return list;
+			});
+		}
+
+		hotSetStatus("idle");
+		return new Promise(function(resolve) {
+			resolve(outdatedModules);
+		});
+	}
+
+	function hotApplyInvalidatedModules() {
+		if (hotQueuedInvalidatedModules) {
+			if (!hotUpdate) hotUpdate = {};
+			hotQueuedInvalidatedModules.forEach(hotApplyInvalidatedModule);
+			hotQueuedInvalidatedModules = undefined;
+			return true;
+		}
+	}
+
+	function hotApplyInvalidatedModule(moduleId) {
+		if (!Object.prototype.hasOwnProperty.call(hotUpdate, moduleId))
+			hotUpdate[moduleId] = modules[moduleId];
+	}
+};
diff --git a/node_modules/webpack/lib/HotModuleReplacementPlugin.js b/node_modules/webpack/lib/HotModuleReplacementPlugin.js
new file mode 100644
index 00000000..58a1f1fe
--- /dev/null
+++ b/node_modules/webpack/lib/HotModuleReplacementPlugin.js
@@ -0,0 +1,425 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { SyncBailHook } = require("tapable");
+const { RawSource } = require("webpack-sources");
+const Template = require("./Template");
+const ModuleHotAcceptDependency = require("./dependencies/ModuleHotAcceptDependency");
+const ModuleHotDeclineDependency = require("./dependencies/ModuleHotDeclineDependency");
+const ConstDependency = require("./dependencies/ConstDependency");
+const NullFactory = require("./NullFactory");
+const ParserHelpers = require("./ParserHelpers");
+
+module.exports = class HotModuleReplacementPlugin {
+	constructor(options) {
+		this.options = options || {};
+		this.multiStep = this.options.multiStep;
+		this.fullBuildTimeout = this.options.fullBuildTimeout || 200;
+		this.requestTimeout = this.options.requestTimeout || 10000;
+	}
+
+	apply(compiler) {
+		const multiStep = this.multiStep;
+		const fullBuildTimeout = this.fullBuildTimeout;
+		const requestTimeout = this.requestTimeout;
+		const hotUpdateChunkFilename =
+			compiler.options.output.hotUpdateChunkFilename;
+		const hotUpdateMainFilename = compiler.options.output.hotUpdateMainFilename;
+		compiler.hooks.additionalPass.tapAsync(
+			"HotModuleReplacementPlugin",
+			callback => {
+				if (multiStep) return setTimeout(callback, fullBuildTimeout);
+				return callback();
+			}
+		);
+
+		const addParserPlugins = (parser, parserOptions) => {
+			parser.hooks.expression
+				.for("__webpack_hash__")
+				.tap(
+					"HotModuleReplacementPlugin",
+					ParserHelpers.toConstantDependencyWithWebpackRequire(
+						parser,
+						"__webpack_require__.h()"
+					)
+				);
+			parser.hooks.evaluateTypeof
+				.for("__webpack_hash__")
+				.tap(
+					"HotModuleReplacementPlugin",
+					ParserHelpers.evaluateToString("string")
+				);
+			parser.hooks.evaluateIdentifier.for("module.hot").tap(
+				{
+					name: "HotModuleReplacementPlugin",
+					before: "NodeStuffPlugin"
+				},
+				expr => {
+					return ParserHelpers.evaluateToIdentifier(
+						"module.hot",
+						!!parser.state.compilation.hotUpdateChunkTemplate
+					)(expr);
+				}
+			);
+			// TODO webpack 5: refactor this, no custom hooks
+			if (!parser.hooks.hotAcceptCallback) {
+				parser.hooks.hotAcceptCallback = new SyncBailHook([
+					"expression",
+					"requests"
+				]);
+			}
+			if (!parser.hooks.hotAcceptWithoutCallback) {
+				parser.hooks.hotAcceptWithoutCallback = new SyncBailHook([
+					"expression",
+					"requests"
+				]);
+			}
+			parser.hooks.call
+				.for("module.hot.accept")
+				.tap("HotModuleReplacementPlugin", expr => {
+					if (!parser.state.compilation.hotUpdateChunkTemplate) {
+						return false;
+					}
+					if (expr.arguments.length >= 1) {
+						const arg = parser.evaluateExpression(expr.arguments[0]);
+						let params = [];
+						let requests = [];
+						if (arg.isString()) {
+							params = [arg];
+						} else if (arg.isArray()) {
+							params = arg.items.filter(param => param.isString());
+						}
+						if (params.length > 0) {
+							params.forEach((param, idx) => {
+								const request = param.string;
+								const dep = new ModuleHotAcceptDependency(request, param.range);
+								dep.optional = true;
+								dep.loc = Object.create(expr.loc);
+								dep.loc.index = idx;
+								parser.state.module.addDependency(dep);
+								requests.push(request);
+							});
+							if (expr.arguments.length > 1) {
+								parser.hooks.hotAcceptCallback.call(
+									expr.arguments[1],
+									requests
+								);
+								parser.walkExpression(expr.arguments[1]); // other args are ignored
+								return true;
+							} else {
+								parser.hooks.hotAcceptWithoutCallback.call(expr, requests);
+								return true;
+							}
+						}
+					}
+				});
+			parser.hooks.call
+				.for("module.hot.decline")
+				.tap("HotModuleReplacementPlugin", expr => {
+					if (!parser.state.compilation.hotUpdateChunkTemplate) {
+						return false;
+					}
+					if (expr.arguments.length === 1) {
+						const arg = parser.evaluateExpression(expr.arguments[0]);
+						let params = [];
+						if (arg.isString()) {
+							params = [arg];
+						} else if (arg.isArray()) {
+							params = arg.items.filter(param => param.isString());
+						}
+						params.forEach((param, idx) => {
+							const dep = new ModuleHotDeclineDependency(
+								param.string,
+								param.range
+							);
+							dep.optional = true;
+							dep.loc = Object.create(expr.loc);
+							dep.loc.index = idx;
+							parser.state.module.addDependency(dep);
+						});
+					}
+				});
+			parser.hooks.expression
+				.for("module.hot")
+				.tap("HotModuleReplacementPlugin", ParserHelpers.skipTraversal);
+		};
+
+		compiler.hooks.compilation.tap(
+			"HotModuleReplacementPlugin",
+			(compilation, { normalModuleFactory }) => {
+				// This applies the HMR plugin only to the targeted compiler
+				// It should not affect child compilations
+				if (compilation.compiler !== compiler) return;
+
+				const hotUpdateChunkTemplate = compilation.hotUpdateChunkTemplate;
+				if (!hotUpdateChunkTemplate) return;
+
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ModuleHotAcceptDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ModuleHotAcceptDependency,
+					new ModuleHotAcceptDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ModuleHotDeclineDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ModuleHotDeclineDependency,
+					new ModuleHotDeclineDependency.Template()
+				);
+
+				compilation.hooks.record.tap(
+					"HotModuleReplacementPlugin",
+					(compilation, records) => {
+						if (records.hash === compilation.hash) return;
+						records.hash = compilation.hash;
+						records.moduleHashs = {};
+						for (const module of compilation.modules) {
+							const identifier = module.identifier();
+							records.moduleHashs[identifier] = module.hash;
+						}
+						records.chunkHashs = {};
+						for (const chunk of compilation.chunks) {
+							records.chunkHashs[chunk.id] = chunk.hash;
+						}
+						records.chunkModuleIds = {};
+						for (const chunk of compilation.chunks) {
+							records.chunkModuleIds[chunk.id] = Array.from(
+								chunk.modulesIterable,
+								m => m.id
+							);
+						}
+					}
+				);
+				let initialPass = false;
+				let recompilation = false;
+				compilation.hooks.afterHash.tap("HotModuleReplacementPlugin", () => {
+					let records = compilation.records;
+					if (!records) {
+						initialPass = true;
+						return;
+					}
+					if (!records.hash) initialPass = true;
+					const preHash = records.preHash || "x";
+					const prepreHash = records.prepreHash || "x";
+					if (preHash === compilation.hash) {
+						recompilation = true;
+						compilation.modifyHash(prepreHash);
+						return;
+					}
+					records.prepreHash = records.hash || "x";
+					records.preHash = compilation.hash;
+					compilation.modifyHash(records.prepreHash);
+				});
+				compilation.hooks.shouldGenerateChunkAssets.tap(
+					"HotModuleReplacementPlugin",
+					() => {
+						if (multiStep && !recompilation && !initialPass) return false;
+					}
+				);
+				compilation.hooks.needAdditionalPass.tap(
+					"HotModuleReplacementPlugin",
+					() => {
+						if (multiStep && !recompilation && !initialPass) return true;
+					}
+				);
+				compilation.hooks.additionalChunkAssets.tap(
+					"HotModuleReplacementPlugin",
+					() => {
+						const records = compilation.records;
+						if (records.hash === compilation.hash) return;
+						if (
+							!records.moduleHashs ||
+							!records.chunkHashs ||
+							!records.chunkModuleIds
+						)
+							return;
+						for (const module of compilation.modules) {
+							const identifier = module.identifier();
+							let hash = module.hash;
+							module.hotUpdate = records.moduleHashs[identifier] !== hash;
+						}
+						const hotUpdateMainContent = {
+							h: compilation.hash,
+							c: {}
+						};
+						for (const key of Object.keys(records.chunkHashs)) {
+							const chunkId = isNaN(+key) ? key : +key;
+							const currentChunk = compilation.chunks.find(
+								chunk => `${chunk.id}` === key
+							);
+							if (currentChunk) {
+								const newModules = currentChunk
+									.getModules()
+									.filter(module => module.hotUpdate);
+								const allModules = new Set();
+								for (const module of currentChunk.modulesIterable) {
+									allModules.add(module.id);
+								}
+								const removedModules = records.chunkModuleIds[chunkId].filter(
+									id => !allModules.has(id)
+								);
+								if (newModules.length > 0 || removedModules.length > 0) {
+									const source = hotUpdateChunkTemplate.render(
+										chunkId,
+										newModules,
+										removedModules,
+										compilation.hash,
+										compilation.moduleTemplates.javascript,
+										compilation.dependencyTemplates
+									);
+									const {
+										path: filename,
+										info: assetInfo
+									} = compilation.getPathWithInfo(hotUpdateChunkFilename, {
+										hash: records.hash,
+										chunk: currentChunk
+									});
+									compilation.additionalChunkAssets.push(filename);
+									compilation.emitAsset(
+										filename,
+										source,
+										Object.assign({ hotModuleReplacement: true }, assetInfo)
+									);
+									hotUpdateMainContent.c[chunkId] = true;
+									currentChunk.files.push(filename);
+									compilation.hooks.chunkAsset.call(currentChunk, filename);
+								}
+							} else {
+								hotUpdateMainContent.c[chunkId] = false;
+							}
+						}
+						const source = new RawSource(JSON.stringify(hotUpdateMainContent));
+						const {
+							path: filename,
+							info: assetInfo
+						} = compilation.getPathWithInfo(hotUpdateMainFilename, {
+							hash: records.hash
+						});
+						compilation.emitAsset(
+							filename,
+							source,
+							Object.assign({ hotModuleReplacement: true }, assetInfo)
+						);
+					}
+				);
+
+				const mainTemplate = compilation.mainTemplate;
+
+				mainTemplate.hooks.hash.tap("HotModuleReplacementPlugin", hash => {
+					hash.update("HotMainTemplateDecorator");
+				});
+
+				mainTemplate.hooks.moduleRequire.tap(
+					"HotModuleReplacementPlugin",
+					(_, chunk, hash, varModuleId) => {
+						return `hotCreateRequire(${varModuleId})`;
+					}
+				);
+
+				mainTemplate.hooks.requireExtensions.tap(
+					"HotModuleReplacementPlugin",
+					source => {
+						const buf = [source];
+						buf.push("");
+						buf.push("// __webpack_hash__");
+						buf.push(
+							mainTemplate.requireFn +
+								".h = function() { return hotCurrentHash; };"
+						);
+						return Template.asString(buf);
+					}
+				);
+
+				const needChunkLoadingCode = chunk => {
+					for (const chunkGroup of chunk.groupsIterable) {
+						if (chunkGroup.chunks.length > 1) return true;
+						if (chunkGroup.getNumberOfChildren() > 0) return true;
+					}
+					return false;
+				};
+
+				mainTemplate.hooks.bootstrap.tap(
+					"HotModuleReplacementPlugin",
+					(source, chunk, hash) => {
+						source = mainTemplate.hooks.hotBootstrap.call(source, chunk, hash);
+						return Template.asString([
+							source,
+							"",
+							hotInitCode
+								.replace(/\$require\$/g, mainTemplate.requireFn)
+								.replace(/\$hash\$/g, JSON.stringify(hash))
+								.replace(/\$requestTimeout\$/g, requestTimeout)
+								.replace(
+									/\/\*foreachInstalledChunks\*\//g,
+									needChunkLoadingCode(chunk)
+										? "for(var chunkId in installedChunks)"
+										: `var chunkId = ${JSON.stringify(chunk.id)};`
+								)
+						]);
+					}
+				);
+
+				mainTemplate.hooks.globalHash.tap(
+					"HotModuleReplacementPlugin",
+					() => true
+				);
+
+				mainTemplate.hooks.currentHash.tap(
+					"HotModuleReplacementPlugin",
+					(_, length) => {
+						if (isFinite(length)) {
+							return `hotCurrentHash.substr(0, ${length})`;
+						} else {
+							return "hotCurrentHash";
+						}
+					}
+				);
+
+				mainTemplate.hooks.moduleObj.tap(
+					"HotModuleReplacementPlugin",
+					(source, chunk, hash, varModuleId) => {
+						return Template.asString([
+							`${source},`,
+							`hot: hotCreateModule(${varModuleId}),`,
+							"parents: (hotCurrentParentsTemp = hotCurrentParents, hotCurrentParents = [], hotCurrentParentsTemp),",
+							"children: []"
+						]);
+					}
+				);
+
+				// TODO add HMR support for javascript/esm
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("HotModuleReplacementPlugin", addParserPlugins);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("HotModuleReplacementPlugin", addParserPlugins);
+
+				compilation.hooks.normalModuleLoader.tap(
+					"HotModuleReplacementPlugin",
+					context => {
+						context.hot = true;
+					}
+				);
+			}
+		);
+	}
+};
+
+const hotInitCode = Template.getFunctionContent(
+	require("./HotModuleReplacement.runtime")
+);
diff --git a/node_modules/webpack/lib/HotUpdateChunk.js b/node_modules/webpack/lib/HotUpdateChunk.js
new file mode 100644
index 00000000..8845643b
--- /dev/null
+++ b/node_modules/webpack/lib/HotUpdateChunk.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Chunk = require("./Chunk");
+
+class HotUpdateChunk extends Chunk {
+	constructor() {
+		super();
+		/** @type {(string|number)[]} */
+		this.removedModules = undefined;
+	}
+}
+
+module.exports = HotUpdateChunk;
diff --git a/node_modules/webpack/lib/HotUpdateChunkTemplate.js b/node_modules/webpack/lib/HotUpdateChunkTemplate.js
new file mode 100644
index 00000000..92ab8db0
--- /dev/null
+++ b/node_modules/webpack/lib/HotUpdateChunkTemplate.js
@@ -0,0 +1,78 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("./Template");
+const HotUpdateChunk = require("./HotUpdateChunk");
+const { Tapable, SyncWaterfallHook, SyncHook } = require("tapable");
+
+module.exports = class HotUpdateChunkTemplate extends Tapable {
+	constructor(outputOptions) {
+		super();
+		this.outputOptions = outputOptions || {};
+		this.hooks = {
+			modules: new SyncWaterfallHook([
+				"source",
+				"modules",
+				"removedModules",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			render: new SyncWaterfallHook([
+				"source",
+				"modules",
+				"removedModules",
+				"hash",
+				"id",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			hash: new SyncHook(["hash"])
+		};
+	}
+
+	render(
+		id,
+		modules,
+		removedModules,
+		hash,
+		moduleTemplate,
+		dependencyTemplates
+	) {
+		const hotUpdateChunk = new HotUpdateChunk();
+		hotUpdateChunk.id = id;
+		hotUpdateChunk.setModules(modules);
+		hotUpdateChunk.removedModules = removedModules;
+		const modulesSource = Template.renderChunkModules(
+			hotUpdateChunk,
+			m => typeof m.source === "function",
+			moduleTemplate,
+			dependencyTemplates
+		);
+		const core = this.hooks.modules.call(
+			modulesSource,
+			modules,
+			removedModules,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		const source = this.hooks.render.call(
+			core,
+			modules,
+			removedModules,
+			hash,
+			id,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		return source;
+	}
+
+	updateHash(hash) {
+		hash.update("HotUpdateChunkTemplate");
+		hash.update("1");
+		this.hooks.hash.call(hash);
+	}
+};
diff --git a/node_modules/webpack/lib/IgnorePlugin.js b/node_modules/webpack/lib/IgnorePlugin.js
new file mode 100644
index 00000000..cd824db2
--- /dev/null
+++ b/node_modules/webpack/lib/IgnorePlugin.js
@@ -0,0 +1,91 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/IgnorePlugin.json");
+
+/** @typedef {import("../declarations/plugins/IgnorePlugin").IgnorePluginOptions} IgnorePluginOptions */
+/** @typedef {import("./Compiler")} Compiler */
+
+class IgnorePlugin {
+	/**
+	 * @param {IgnorePluginOptions} options IgnorePlugin options
+	 */
+	constructor(options) {
+		// TODO webpack 5 remove this compat-layer
+		if (arguments.length > 1 || options instanceof RegExp) {
+			options = {
+				resourceRegExp: arguments[0],
+				contextRegExp: arguments[1]
+			};
+		}
+
+		validateOptions(schema, options, "IgnorePlugin");
+		this.options = options;
+
+		/** @private @type {Function} */
+		this.checkIgnore = this.checkIgnore.bind(this);
+	}
+
+	/**
+	 * Note that if "contextRegExp" is given, both the "resourceRegExp"
+	 * and "contextRegExp" have to match.
+	 *
+	 * @param {TODO} result result
+	 * @returns {TODO|null} returns result or null if result should be ignored
+	 */
+	checkIgnore(result) {
+		if (!result) return result;
+
+		if (
+			"checkResource" in this.options &&
+			this.options.checkResource &&
+			this.options.checkResource(result.request, result.context)
+		) {
+			// TODO webpack 5 remove checkContext, as checkResource already gets context
+			if ("checkContext" in this.options && this.options.checkContext) {
+				if (this.options.checkContext(result.context)) {
+					return null;
+				}
+			} else {
+				return null;
+			}
+		}
+
+		if (
+			"resourceRegExp" in this.options &&
+			this.options.resourceRegExp &&
+			this.options.resourceRegExp.test(result.request)
+		) {
+			if ("contextRegExp" in this.options && this.options.contextRegExp) {
+				// if "contextRegExp" is given,
+				// both the "resourceRegExp" and "contextRegExp" have to match.
+				if (this.options.contextRegExp.test(result.context)) {
+					return null;
+				}
+			} else {
+				return null;
+			}
+		}
+
+		return result;
+	}
+
+	/**
+	 * @param {Compiler} compiler Webpack Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.normalModuleFactory.tap("IgnorePlugin", nmf => {
+			nmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
+		});
+		compiler.hooks.contextModuleFactory.tap("IgnorePlugin", cmf => {
+			cmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
+		});
+	}
+}
+
+module.exports = IgnorePlugin;
diff --git a/node_modules/webpack/lib/JavascriptGenerator.js b/node_modules/webpack/lib/JavascriptGenerator.js
new file mode 100644
index 00000000..882f7d4d
--- /dev/null
+++ b/node_modules/webpack/lib/JavascriptGenerator.js
@@ -0,0 +1,229 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { RawSource, ReplaceSource } = require("webpack-sources");
+
+// TODO: clean up this file
+// replace with newer constructs
+
+// TODO: remove DependencyVariables and replace them with something better
+
+class JavascriptGenerator {
+	generate(module, dependencyTemplates, runtimeTemplate) {
+		const originalSource = module.originalSource();
+		if (!originalSource) {
+			return new RawSource("throw new Error('No source available');");
+		}
+
+		const source = new ReplaceSource(originalSource);
+
+		this.sourceBlock(
+			module,
+			module,
+			[],
+			dependencyTemplates,
+			source,
+			runtimeTemplate
+		);
+
+		return source;
+	}
+
+	sourceBlock(
+		module,
+		block,
+		availableVars,
+		dependencyTemplates,
+		source,
+		runtimeTemplate
+	) {
+		for (const dependency of block.dependencies) {
+			this.sourceDependency(
+				dependency,
+				dependencyTemplates,
+				source,
+				runtimeTemplate
+			);
+		}
+
+		/**
+		 * Get the variables of all blocks that we need to inject.
+		 * These will contain the variable name and its expression.
+		 * The name will be added as a parameter in a IIFE the expression as its value.
+		 */
+		const vars = block.variables.reduce((result, value) => {
+			const variable = this.sourceVariables(
+				value,
+				availableVars,
+				dependencyTemplates,
+				runtimeTemplate
+			);
+
+			if (variable) {
+				result.push(variable);
+			}
+
+			return result;
+		}, []);
+
+		/**
+		 * if we actually have variables
+		 * this is important as how #splitVariablesInUniqueNamedChunks works
+		 * it will always return an array in an array which would lead to a IIFE wrapper around
+		 * a module if we do this with an empty vars array.
+		 */
+		if (vars.length > 0) {
+			/**
+			 * Split all variables up into chunks of unique names.
+			 * e.g. imagine you have the following variable names that need to be injected:
+			 * [foo, bar, baz, foo, some, more]
+			 * we can not inject "foo" twice, therefore we just make two IIFEs like so:
+			 * (function(foo, bar, baz){
+			 *   (function(foo, some, more){
+			 *     …
+			 *   }(…));
+			 * }(…));
+			 *
+			 * "splitVariablesInUniqueNamedChunks" splits the variables shown above up to this:
+			 * [[foo, bar, baz], [foo, some, more]]
+			 */
+			const injectionVariableChunks = this.splitVariablesInUniqueNamedChunks(
+				vars
+			);
+
+			// create all the beginnings of IIFEs
+			const functionWrapperStarts = injectionVariableChunks.map(
+				variableChunk => {
+					return this.variableInjectionFunctionWrapperStartCode(
+						variableChunk.map(variable => variable.name)
+					);
+				}
+			);
+
+			// and all the ends
+			const functionWrapperEnds = injectionVariableChunks.map(variableChunk => {
+				return this.variableInjectionFunctionWrapperEndCode(
+					module,
+					variableChunk.map(variable => variable.expression),
+					block
+				);
+			});
+
+			// join them to one big string
+			const varStartCode = functionWrapperStarts.join("");
+
+			// reverse the ends first before joining them, as the last added must be the inner most
+			const varEndCode = functionWrapperEnds.reverse().join("");
+
+			// if we have anything, add it to the source
+			if (varStartCode && varEndCode) {
+				const start = block.range ? block.range[0] : -10;
+				const end = block.range
+					? block.range[1]
+					: module.originalSource().size() + 1;
+				source.insert(start + 0.5, varStartCode);
+				source.insert(end + 0.5, "\n/* WEBPACK VAR INJECTION */" + varEndCode);
+			}
+		}
+
+		for (const childBlock of block.blocks) {
+			this.sourceBlock(
+				module,
+				childBlock,
+				availableVars.concat(vars),
+				dependencyTemplates,
+				source,
+				runtimeTemplate
+			);
+		}
+	}
+
+	sourceDependency(dependency, dependencyTemplates, source, runtimeTemplate) {
+		const template = dependencyTemplates.get(dependency.constructor);
+		if (!template) {
+			throw new Error(
+				"No template for dependency: " + dependency.constructor.name
+			);
+		}
+		template.apply(dependency, source, runtimeTemplate, dependencyTemplates);
+	}
+
+	sourceVariables(
+		variable,
+		availableVars,
+		dependencyTemplates,
+		runtimeTemplate
+	) {
+		const name = variable.name;
+		const expr = variable.expressionSource(
+			dependencyTemplates,
+			runtimeTemplate
+		);
+
+		if (
+			availableVars.some(
+				v => v.name === name && v.expression.source() === expr.source()
+			)
+		) {
+			return;
+		}
+		return {
+			name: name,
+			expression: expr
+		};
+	}
+
+	/*
+	 * creates the start part of a IIFE around the module to inject a variable name
+	 * (function(…){   <- this part
+	 * }.call(…))
+	 */
+	variableInjectionFunctionWrapperStartCode(varNames) {
+		const args = varNames.join(", ");
+		return `/* WEBPACK VAR INJECTION */(function(${args}) {`;
+	}
+
+	contextArgument(module, block) {
+		if (this === block) {
+			return module.exportsArgument;
+		}
+		return "this";
+	}
+
+	/*
+	 * creates the end part of a IIFE around the module to inject a variable name
+	 * (function(…){
+	 * }.call(…))   <- this part
+	 */
+	variableInjectionFunctionWrapperEndCode(module, varExpressions, block) {
+		const firstParam = this.contextArgument(module, block);
+		const furtherParams = varExpressions.map(e => e.source()).join(", ");
+		return `}.call(${firstParam}, ${furtherParams}))`;
+	}
+
+	splitVariablesInUniqueNamedChunks(vars) {
+		const startState = [[]];
+		return vars.reduce((chunks, variable) => {
+			const current = chunks[chunks.length - 1];
+			// check if variable with same name exists already
+			// if so create a new chunk of variables.
+			const variableNameAlreadyExists = current.some(
+				v => v.name === variable.name
+			);
+
+			if (variableNameAlreadyExists) {
+				// start new chunk with current variable
+				chunks.push([variable]);
+			} else {
+				// else add it to current chunk
+				current.push(variable);
+			}
+			return chunks;
+		}, startState);
+	}
+}
+
+module.exports = JavascriptGenerator;
diff --git a/node_modules/webpack/lib/JavascriptModulesPlugin.js b/node_modules/webpack/lib/JavascriptModulesPlugin.js
new file mode 100644
index 00000000..2c1bbe4d
--- /dev/null
+++ b/node_modules/webpack/lib/JavascriptModulesPlugin.js
@@ -0,0 +1,185 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Parser = require("./Parser");
+const Template = require("./Template");
+const { ConcatSource } = require("webpack-sources");
+const JavascriptGenerator = require("./JavascriptGenerator");
+const createHash = require("./util/createHash");
+
+class JavascriptModulesPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"JavascriptModulesPlugin",
+			(compilation, { normalModuleFactory }) => {
+				normalModuleFactory.hooks.createParser
+					.for("javascript/auto")
+					.tap("JavascriptModulesPlugin", options => {
+						return new Parser(options, "auto");
+					});
+				normalModuleFactory.hooks.createParser
+					.for("javascript/dynamic")
+					.tap("JavascriptModulesPlugin", options => {
+						return new Parser(options, "script");
+					});
+				normalModuleFactory.hooks.createParser
+					.for("javascript/esm")
+					.tap("JavascriptModulesPlugin", options => {
+						return new Parser(options, "module");
+					});
+				normalModuleFactory.hooks.createGenerator
+					.for("javascript/auto")
+					.tap("JavascriptModulesPlugin", () => {
+						return new JavascriptGenerator();
+					});
+				normalModuleFactory.hooks.createGenerator
+					.for("javascript/dynamic")
+					.tap("JavascriptModulesPlugin", () => {
+						return new JavascriptGenerator();
+					});
+				normalModuleFactory.hooks.createGenerator
+					.for("javascript/esm")
+					.tap("JavascriptModulesPlugin", () => {
+						return new JavascriptGenerator();
+					});
+				compilation.mainTemplate.hooks.renderManifest.tap(
+					"JavascriptModulesPlugin",
+					(result, options) => {
+						const chunk = options.chunk;
+						const hash = options.hash;
+						const fullHash = options.fullHash;
+						const outputOptions = options.outputOptions;
+						const moduleTemplates = options.moduleTemplates;
+						const dependencyTemplates = options.dependencyTemplates;
+
+						const filenameTemplate =
+							chunk.filenameTemplate || outputOptions.filename;
+
+						const useChunkHash = compilation.mainTemplate.useChunkHash(chunk);
+
+						result.push({
+							render: () =>
+								compilation.mainTemplate.render(
+									hash,
+									chunk,
+									moduleTemplates.javascript,
+									dependencyTemplates
+								),
+							filenameTemplate,
+							pathOptions: {
+								noChunkHash: !useChunkHash,
+								contentHashType: "javascript",
+								chunk
+							},
+							identifier: `chunk${chunk.id}`,
+							hash: useChunkHash ? chunk.hash : fullHash
+						});
+						return result;
+					}
+				);
+				compilation.mainTemplate.hooks.modules.tap(
+					"JavascriptModulesPlugin",
+					(source, chunk, hash, moduleTemplate, dependencyTemplates) => {
+						return Template.renderChunkModules(
+							chunk,
+							m => typeof m.source === "function",
+							moduleTemplate,
+							dependencyTemplates,
+							"/******/ "
+						);
+					}
+				);
+				compilation.chunkTemplate.hooks.renderManifest.tap(
+					"JavascriptModulesPlugin",
+					(result, options) => {
+						const chunk = options.chunk;
+						const outputOptions = options.outputOptions;
+						const moduleTemplates = options.moduleTemplates;
+						const dependencyTemplates = options.dependencyTemplates;
+						const filenameTemplate =
+							chunk.filenameTemplate || outputOptions.chunkFilename;
+
+						result.push({
+							render: () =>
+								this.renderJavascript(
+									compilation.chunkTemplate,
+									chunk,
+									moduleTemplates.javascript,
+									dependencyTemplates
+								),
+							filenameTemplate,
+							pathOptions: {
+								chunk,
+								contentHashType: "javascript"
+							},
+							identifier: `chunk${chunk.id}`,
+							hash: chunk.hash
+						});
+
+						return result;
+					}
+				);
+				compilation.hooks.contentHash.tap("JavascriptModulesPlugin", chunk => {
+					const outputOptions = compilation.outputOptions;
+					const {
+						hashSalt,
+						hashDigest,
+						hashDigestLength,
+						hashFunction
+					} = outputOptions;
+					const hash = createHash(hashFunction);
+					if (hashSalt) hash.update(hashSalt);
+					const template = chunk.hasRuntime()
+						? compilation.mainTemplate
+						: compilation.chunkTemplate;
+					hash.update(`${chunk.id} `);
+					hash.update(chunk.ids ? chunk.ids.join(",") : "");
+					template.updateHashForChunk(
+						hash,
+						chunk,
+						compilation.moduleTemplates.javascript,
+						compilation.dependencyTemplates
+					);
+					for (const m of chunk.modulesIterable) {
+						if (typeof m.source === "function") {
+							hash.update(m.hash);
+						}
+					}
+					const digest = /** @type {string} */ (hash.digest(hashDigest));
+					chunk.contentHash.javascript = digest.substr(0, hashDigestLength);
+				});
+			}
+		);
+	}
+
+	renderJavascript(chunkTemplate, chunk, moduleTemplate, dependencyTemplates) {
+		const moduleSources = Template.renderChunkModules(
+			chunk,
+			m => typeof m.source === "function",
+			moduleTemplate,
+			dependencyTemplates
+		);
+		const core = chunkTemplate.hooks.modules.call(
+			moduleSources,
+			chunk,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		let source = chunkTemplate.hooks.render.call(
+			core,
+			chunk,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		if (chunk.hasEntryModule()) {
+			source = chunkTemplate.hooks.renderWithEntry.call(source, chunk);
+		}
+		chunk.rendered = true;
+		return new ConcatSource(source, ";");
+	}
+}
+
+module.exports = JavascriptModulesPlugin;
diff --git a/node_modules/webpack/lib/JsonGenerator.js b/node_modules/webpack/lib/JsonGenerator.js
new file mode 100644
index 00000000..bac87c4a
--- /dev/null
+++ b/node_modules/webpack/lib/JsonGenerator.js
@@ -0,0 +1,57 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource, RawSource } = require("webpack-sources");
+
+const stringifySafe = data => {
+	const stringified = JSON.stringify(data);
+	if (!stringified) {
+		return undefined; // Invalid JSON
+	}
+
+	return stringified.replace(/\u2028|\u2029/g, str =>
+		str === "\u2029" ? "\\u2029" : "\\u2028"
+	); // invalid in JavaScript but valid JSON
+};
+
+class JsonGenerator {
+	generate(module, dependencyTemplates, runtimeTemplate) {
+		const source = new ConcatSource();
+		const data = module.buildInfo.jsonData;
+		if (data === undefined) {
+			return new RawSource(
+				runtimeTemplate.missingModuleStatement({
+					request: module.rawRequest
+				})
+			);
+		}
+		let finalJson;
+		if (
+			Array.isArray(module.buildMeta.providedExports) &&
+			!module.isUsed("default")
+		) {
+			// Only some exports are used: We can optimize here, by only generating a part of the JSON
+			const reducedJson = {};
+			for (const exportName of module.buildMeta.providedExports) {
+				if (exportName === "default") continue;
+				const used = module.isUsed(exportName);
+				if (used) {
+					reducedJson[used] = data[exportName];
+				}
+			}
+			finalJson = reducedJson;
+		} else {
+			finalJson = data;
+		}
+		// Use JSON because JSON.parse() is much faster than JavaScript evaluation
+		const jsonSource = JSON.stringify(stringifySafe(finalJson));
+		const jsonExpr = `JSON.parse(${jsonSource})`;
+		source.add(`${module.moduleArgument}.exports = ${jsonExpr};`);
+		return source;
+	}
+}
+
+module.exports = JsonGenerator;
diff --git a/node_modules/webpack/lib/JsonModulesPlugin.js b/node_modules/webpack/lib/JsonModulesPlugin.js
new file mode 100644
index 00000000..20b8a034
--- /dev/null
+++ b/node_modules/webpack/lib/JsonModulesPlugin.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const JsonParser = require("./JsonParser");
+const JsonGenerator = require("./JsonGenerator");
+
+class JsonModulesPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"JsonModulesPlugin",
+			(compilation, { normalModuleFactory }) => {
+				normalModuleFactory.hooks.createParser
+					.for("json")
+					.tap("JsonModulesPlugin", () => {
+						return new JsonParser();
+					});
+				normalModuleFactory.hooks.createGenerator
+					.for("json")
+					.tap("JsonModulesPlugin", () => {
+						return new JsonGenerator();
+					});
+			}
+		);
+	}
+}
+
+module.exports = JsonModulesPlugin;
diff --git a/node_modules/webpack/lib/JsonParser.js b/node_modules/webpack/lib/JsonParser.js
new file mode 100644
index 00000000..f0c59777
--- /dev/null
+++ b/node_modules/webpack/lib/JsonParser.js
@@ -0,0 +1,27 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const parseJson = require("json-parse-better-errors");
+const JsonExportsDependency = require("./dependencies/JsonExportsDependency");
+
+class JsonParser {
+	constructor(options) {
+		this.options = options;
+	}
+
+	parse(source, state) {
+		const data = parseJson(source[0] === "\ufeff" ? source.slice(1) : source);
+		state.module.buildInfo.jsonData = data;
+		state.module.buildMeta.exportsType = "named";
+		if (typeof data === "object" && data) {
+			state.module.addDependency(new JsonExportsDependency(Object.keys(data)));
+		}
+		state.module.addDependency(new JsonExportsDependency(["default"]));
+		return state;
+	}
+}
+
+module.exports = JsonParser;
diff --git a/node_modules/webpack/lib/LibManifestPlugin.js b/node_modules/webpack/lib/LibManifestPlugin.js
new file mode 100644
index 00000000..05e98b04
--- /dev/null
+++ b/node_modules/webpack/lib/LibManifestPlugin.js
@@ -0,0 +1,90 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const asyncLib = require("neo-async");
+const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
+
+class LibManifestPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.emit.tapAsync(
+			"LibManifestPlugin",
+			(compilation, callback) => {
+				asyncLib.forEach(
+					compilation.chunks,
+					(chunk, callback) => {
+						if (!chunk.isOnlyInitial()) {
+							callback();
+							return;
+						}
+						const targetPath = compilation.getPath(this.options.path, {
+							hash: compilation.hash,
+							chunk
+						});
+						const name =
+							this.options.name &&
+							compilation.getPath(this.options.name, {
+								hash: compilation.hash,
+								chunk
+							});
+						const manifest = {
+							name,
+							type: this.options.type,
+							content: Array.from(chunk.modulesIterable, module => {
+								if (
+									this.options.entryOnly &&
+									!module.reasons.some(
+										r => r.dependency instanceof SingleEntryDependency
+									)
+								) {
+									return;
+								}
+								if (module.libIdent) {
+									const ident = module.libIdent({
+										context: this.options.context || compiler.options.context
+									});
+									if (ident) {
+										return {
+											ident,
+											data: {
+												id: module.id,
+												buildMeta: module.buildMeta
+											}
+										};
+									}
+								}
+							})
+								.filter(Boolean)
+								.reduce((obj, item) => {
+									obj[item.ident] = item.data;
+									return obj;
+								}, Object.create(null))
+						};
+						// Apply formatting to content if format flag is true;
+						const manifestContent = this.options.format
+							? JSON.stringify(manifest, null, 2)
+							: JSON.stringify(manifest);
+						const content = Buffer.from(manifestContent, "utf8");
+						compiler.outputFileSystem.mkdirp(path.dirname(targetPath), err => {
+							if (err) return callback(err);
+							compiler.outputFileSystem.writeFile(
+								targetPath,
+								content,
+								callback
+							);
+						});
+					},
+					callback
+				);
+			}
+		);
+	}
+}
+module.exports = LibManifestPlugin;
diff --git a/node_modules/webpack/lib/LibraryTemplatePlugin.js b/node_modules/webpack/lib/LibraryTemplatePlugin.js
new file mode 100644
index 00000000..87b558c8
--- /dev/null
+++ b/node_modules/webpack/lib/LibraryTemplatePlugin.js
@@ -0,0 +1,186 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const SetVarMainTemplatePlugin = require("./SetVarMainTemplatePlugin");
+
+/** @typedef {import("../declarations/WebpackOptions").LibraryCustomUmdObject} LibraryCustomUmdObject */
+/** @typedef {import("./Compiler")} Compiler */
+
+/**
+ * @param {string[]} accessor the accessor to convert to path
+ * @returns {string} the path
+ */
+const accessorToObjectAccess = accessor => {
+	return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
+};
+
+/**
+ * @param {string=} base the path prefix
+ * @param {string|string[]|LibraryCustomUmdObject} accessor the accessor
+ * @param {"amd" | "commonjs" | "root"} umdProperty property used when a custom umd object is provided
+ * @param {string=} joinWith the element separator
+ * @returns {string} the path
+ */
+const accessorAccess = (base, accessor, umdProperty, joinWith = "; ") => {
+	const normalizedAccessor =
+		typeof accessor === "object" && !Array.isArray(accessor)
+			? accessor[umdProperty]
+			: accessor;
+	const accessors = Array.isArray(normalizedAccessor)
+		? normalizedAccessor
+		: [normalizedAccessor];
+	return accessors
+		.map((_, idx) => {
+			const a = base
+				? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
+				: accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
+			if (idx === accessors.length - 1) return a;
+			if (idx === 0 && base === undefined) {
+				return `${a} = typeof ${a} === "object" ? ${a} : {}`;
+			}
+			return `${a} = ${a} || {}`;
+		})
+		.join(joinWith);
+};
+
+class LibraryTemplatePlugin {
+	/**
+	 * @param {string|string[]|LibraryCustomUmdObject} name name of library
+	 * @param {string} target type of library
+	 * @param {boolean} umdNamedDefine setting this to true will name the UMD module
+	 * @param {string|TODO} auxiliaryComment comment in the UMD wrapper
+	 * @param {string|string[]} exportProperty which export should be exposed as library
+	 */
+	constructor(name, target, umdNamedDefine, auxiliaryComment, exportProperty) {
+		this.name = name;
+		this.target = target;
+		this.umdNamedDefine = umdNamedDefine;
+		this.auxiliaryComment = auxiliaryComment;
+		this.exportProperty = exportProperty;
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("LibraryTemplatePlugin", compilation => {
+			if (this.exportProperty) {
+				const ExportPropertyMainTemplatePlugin = require("./ExportPropertyMainTemplatePlugin");
+				new ExportPropertyMainTemplatePlugin(this.exportProperty).apply(
+					compilation
+				);
+			}
+			switch (this.target) {
+				case "var":
+					if (
+						!this.name ||
+						(typeof this.name === "object" && !Array.isArray(this.name))
+					) {
+						throw new Error(
+							"library name must be set and not an UMD custom object for non-UMD target"
+						);
+					}
+					new SetVarMainTemplatePlugin(
+						`var ${accessorAccess(undefined, this.name, "root")}`,
+						false
+					).apply(compilation);
+					break;
+				case "assign":
+					new SetVarMainTemplatePlugin(
+						accessorAccess(undefined, this.name, "root"),
+						false
+					).apply(compilation);
+					break;
+				case "this":
+				case "self":
+				case "window":
+					if (this.name) {
+						new SetVarMainTemplatePlugin(
+							accessorAccess(this.target, this.name, "root"),
+							false
+						).apply(compilation);
+					} else {
+						new SetVarMainTemplatePlugin(this.target, true).apply(compilation);
+					}
+					break;
+				case "global":
+					if (this.name) {
+						new SetVarMainTemplatePlugin(
+							accessorAccess(
+								compilation.runtimeTemplate.outputOptions.globalObject,
+								this.name,
+								"root"
+							),
+							false
+						).apply(compilation);
+					} else {
+						new SetVarMainTemplatePlugin(
+							compilation.runtimeTemplate.outputOptions.globalObject,
+							true
+						).apply(compilation);
+					}
+					break;
+				case "commonjs":
+					if (this.name) {
+						new SetVarMainTemplatePlugin(
+							accessorAccess("exports", this.name, "commonjs"),
+							false
+						).apply(compilation);
+					} else {
+						new SetVarMainTemplatePlugin("exports", true).apply(compilation);
+					}
+					break;
+				case "commonjs2":
+				case "commonjs-module":
+					new SetVarMainTemplatePlugin("module.exports", false).apply(
+						compilation
+					);
+					break;
+				case "amd":
+				case "amd-require": {
+					const AmdMainTemplatePlugin = require("./AmdMainTemplatePlugin");
+					if (this.name && typeof this.name !== "string") {
+						throw new Error("library name must be a string for amd target");
+					}
+					new AmdMainTemplatePlugin({
+						name: this.name,
+						requireAsWrapper: this.target === "amd-require"
+					}).apply(compilation);
+					break;
+				}
+				case "umd":
+				case "umd2": {
+					const UmdMainTemplatePlugin = require("./UmdMainTemplatePlugin");
+					new UmdMainTemplatePlugin(this.name, {
+						optionalAmdExternalAsGlobal: this.target === "umd2",
+						namedDefine: this.umdNamedDefine,
+						auxiliaryComment: this.auxiliaryComment
+					}).apply(compilation);
+					break;
+				}
+				case "jsonp": {
+					const JsonpExportMainTemplatePlugin = require("./web/JsonpExportMainTemplatePlugin");
+					if (typeof this.name !== "string")
+						throw new Error("library name must be a string for jsonp target");
+					new JsonpExportMainTemplatePlugin(this.name).apply(compilation);
+					break;
+				}
+				case "system": {
+					const SystemMainTemplatePlugin = require("./SystemMainTemplatePlugin");
+					new SystemMainTemplatePlugin({
+						name: this.name
+					}).apply(compilation);
+					break;
+				}
+				default:
+					throw new Error(`${this.target} is not a valid Library target`);
+			}
+		});
+	}
+}
+
+module.exports = LibraryTemplatePlugin;
diff --git a/node_modules/webpack/lib/LoaderOptionsPlugin.js b/node_modules/webpack/lib/LoaderOptionsPlugin.js
new file mode 100644
index 00000000..651987b8
--- /dev/null
+++ b/node_modules/webpack/lib/LoaderOptionsPlugin.js
@@ -0,0 +1,58 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/LoaderOptionsPlugin.json");
+
+/** @typedef {import("../declarations/plugins/LoaderOptionsPlugin").LoaderOptionsPluginOptions} LoaderOptionsPluginOptions */
+
+class LoaderOptionsPlugin {
+	/**
+	 * @param {LoaderOptionsPluginOptions} options options object
+	 */
+	constructor(options) {
+		validateOptions(schema, options || {}, "Loader Options Plugin");
+
+		if (typeof options !== "object") options = {};
+		if (!options.test) {
+			options.test = {
+				test: () => true
+			};
+		}
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap("LoaderOptionsPlugin", compilation => {
+			compilation.hooks.normalModuleLoader.tap(
+				"LoaderOptionsPlugin",
+				(context, module) => {
+					const resource = module.resource;
+					if (!resource) return;
+					const i = resource.indexOf("?");
+					if (
+						ModuleFilenameHelpers.matchObject(
+							options,
+							i < 0 ? resource : resource.substr(0, i)
+						)
+					) {
+						for (const key of Object.keys(options)) {
+							if (key === "include" || key === "exclude" || key === "test") {
+								continue;
+							}
+							context[key] = options[key];
+						}
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = LoaderOptionsPlugin;
diff --git a/node_modules/webpack/lib/LoaderTargetPlugin.js b/node_modules/webpack/lib/LoaderTargetPlugin.js
new file mode 100644
index 00000000..99ffbc99
--- /dev/null
+++ b/node_modules/webpack/lib/LoaderTargetPlugin.js
@@ -0,0 +1,24 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class LoaderTargetPlugin {
+	constructor(target) {
+		this.target = target;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap("LoaderTargetPlugin", compilation => {
+			compilation.hooks.normalModuleLoader.tap(
+				"LoaderTargetPlugin",
+				loaderContext => {
+					loaderContext.target = this.target;
+				}
+			);
+		});
+	}
+}
+
+module.exports = LoaderTargetPlugin;
diff --git a/node_modules/webpack/lib/MainTemplate.js b/node_modules/webpack/lib/MainTemplate.js
new file mode 100644
index 00000000..5134106a
--- /dev/null
+++ b/node_modules/webpack/lib/MainTemplate.js
@@ -0,0 +1,568 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const {
+	ConcatSource,
+	OriginalSource,
+	PrefixSource,
+	RawSource
+} = require("webpack-sources");
+const {
+	Tapable,
+	SyncWaterfallHook,
+	SyncHook,
+	SyncBailHook
+} = require("tapable");
+const Template = require("./Template");
+
+/** @typedef {import("webpack-sources").ConcatSource} ConcatSource */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./ModuleTemplate")} ModuleTemplate */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Module")} Module} */
+/** @typedef {import("./util/createHash").Hash} Hash} */
+/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate} */
+
+/**
+ * @typedef {Object} RenderManifestOptions
+ * @property {Chunk} chunk the chunk used to render
+ * @property {string} hash
+ * @property {string} fullHash
+ * @property {TODO} outputOptions
+ * @property {{javascript: ModuleTemplate, webassembly: ModuleTemplate}} moduleTemplates
+ * @property {Map<TODO, TODO>} dependencyTemplates
+ */
+
+// require function shortcuts:
+// __webpack_require__.s = the module id of the entry point
+// __webpack_require__.c = the module cache
+// __webpack_require__.m = the module functions
+// __webpack_require__.p = the bundle public path
+// __webpack_require__.i = the identity function used for harmony imports
+// __webpack_require__.e = the chunk ensure function
+// __webpack_require__.d = the exported property define getter function
+// __webpack_require__.o = Object.prototype.hasOwnProperty.call
+// __webpack_require__.r = define compatibility on export
+// __webpack_require__.t = create a fake namespace object
+// __webpack_require__.n = compatibility get default export
+// __webpack_require__.h = the webpack hash
+// __webpack_require__.w = an object containing all installed WebAssembly.Instance export objects keyed by module id
+// __webpack_require__.oe = the uncaught error handler for the webpack runtime
+// __webpack_require__.nc = the script nonce
+
+module.exports = class MainTemplate extends Tapable {
+	/**
+	 *
+	 * @param {TODO=} outputOptions output options for the MainTemplate
+	 */
+	constructor(outputOptions) {
+		super();
+		/** @type {TODO?} */
+		this.outputOptions = outputOptions || {};
+		this.hooks = {
+			/** @type {SyncWaterfallHook<TODO[], RenderManifestOptions>} */
+			renderManifest: new SyncWaterfallHook(["result", "options"]),
+			modules: new SyncWaterfallHook([
+				"modules",
+				"chunk",
+				"hash",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			moduleObj: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"moduleIdExpression"
+			]),
+			requireEnsure: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"chunkIdExpression"
+			]),
+			bootstrap: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			localVars: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			require: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			requireExtensions: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			/** @type {SyncWaterfallHook<string, Chunk, string>} */
+			beforeStartup: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			/** @type {SyncWaterfallHook<string, Chunk, string>} */
+			startup: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			/** @type {SyncWaterfallHook<string, Chunk, string>} */
+			afterStartup: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			render: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"moduleTemplate",
+				"dependencyTemplates"
+			]),
+			renderWithEntry: new SyncWaterfallHook(["source", "chunk", "hash"]),
+			moduleRequire: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"moduleIdExpression"
+			]),
+			addModule: new SyncWaterfallHook([
+				"source",
+				"chunk",
+				"hash",
+				"moduleIdExpression",
+				"moduleExpression"
+			]),
+			currentHash: new SyncWaterfallHook(["source", "requestedLength"]),
+			assetPath: new SyncWaterfallHook(["path", "options", "assetInfo"]),
+			hash: new SyncHook(["hash"]),
+			hashForChunk: new SyncHook(["hash", "chunk"]),
+			globalHashPaths: new SyncWaterfallHook(["paths"]),
+			globalHash: new SyncBailHook(["chunk", "paths"]),
+
+			// TODO this should be moved somewhere else
+			// It's weird here
+			hotBootstrap: new SyncWaterfallHook(["source", "chunk", "hash"])
+		};
+		this.hooks.startup.tap("MainTemplate", (source, chunk, hash) => {
+			/** @type {string[]} */
+			const buf = [];
+			if (chunk.entryModule) {
+				buf.push("// Load entry module and return exports");
+				buf.push(
+					`return ${this.renderRequireFunctionForModule(
+						hash,
+						chunk,
+						JSON.stringify(chunk.entryModule.id)
+					)}(${this.requireFn}.s = ${JSON.stringify(chunk.entryModule.id)});`
+				);
+			}
+			return Template.asString(buf);
+		});
+		this.hooks.render.tap(
+			"MainTemplate",
+			(bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
+				const source = new ConcatSource();
+				source.add("/******/ (function(modules) { // webpackBootstrap\n");
+				source.add(new PrefixSource("/******/", bootstrapSource));
+				source.add("/******/ })\n");
+				source.add(
+					"/************************************************************************/\n"
+				);
+				source.add("/******/ (");
+				source.add(
+					this.hooks.modules.call(
+						new RawSource(""),
+						chunk,
+						hash,
+						moduleTemplate,
+						dependencyTemplates
+					)
+				);
+				source.add(")");
+				return source;
+			}
+		);
+		this.hooks.localVars.tap("MainTemplate", (source, chunk, hash) => {
+			return Template.asString([
+				source,
+				"// The module cache",
+				"var installedModules = {};"
+			]);
+		});
+		this.hooks.require.tap("MainTemplate", (source, chunk, hash) => {
+			return Template.asString([
+				source,
+				"// Check if module is in cache",
+				"if(installedModules[moduleId]) {",
+				Template.indent("return installedModules[moduleId].exports;"),
+				"}",
+				"// Create a new module (and put it into the cache)",
+				"var module = installedModules[moduleId] = {",
+				Template.indent(this.hooks.moduleObj.call("", chunk, hash, "moduleId")),
+				"};",
+				"",
+				Template.asString(
+					outputOptions.strictModuleExceptionHandling
+						? [
+								"// Execute the module function",
+								"var threw = true;",
+								"try {",
+								Template.indent([
+									`modules[moduleId].call(module.exports, module, module.exports, ${this.renderRequireFunctionForModule(
+										hash,
+										chunk,
+										"moduleId"
+									)});`,
+									"threw = false;"
+								]),
+								"} finally {",
+								Template.indent([
+									"if(threw) delete installedModules[moduleId];"
+								]),
+								"}"
+						  ]
+						: [
+								"// Execute the module function",
+								`modules[moduleId].call(module.exports, module, module.exports, ${this.renderRequireFunctionForModule(
+									hash,
+									chunk,
+									"moduleId"
+								)});`
+						  ]
+				),
+				"",
+				"// Flag the module as loaded",
+				"module.l = true;",
+				"",
+				"// Return the exports of the module",
+				"return module.exports;"
+			]);
+		});
+		this.hooks.moduleObj.tap(
+			"MainTemplate",
+			(source, chunk, hash, varModuleId) => {
+				return Template.asString(["i: moduleId,", "l: false,", "exports: {}"]);
+			}
+		);
+		this.hooks.requireExtensions.tap("MainTemplate", (source, chunk, hash) => {
+			const buf = [];
+			const chunkMaps = chunk.getChunkMaps();
+			// Check if there are non initial chunks which need to be imported using require-ensure
+			if (Object.keys(chunkMaps.hash).length) {
+				buf.push("// This file contains only the entry chunk.");
+				buf.push("// The chunk loading function for additional chunks");
+				buf.push(`${this.requireFn}.e = function requireEnsure(chunkId) {`);
+				buf.push(Template.indent("var promises = [];"));
+				buf.push(
+					Template.indent(
+						this.hooks.requireEnsure.call("", chunk, hash, "chunkId")
+					)
+				);
+				buf.push(Template.indent("return Promise.all(promises);"));
+				buf.push("};");
+			} else if (
+				chunk.hasModuleInGraph(m =>
+					m.blocks.some(b => b.chunkGroup && b.chunkGroup.chunks.length > 0)
+				)
+			) {
+				// There async blocks in the graph, so we need to add an empty requireEnsure
+				// function anyway. This can happen with multiple entrypoints.
+				buf.push("// The chunk loading function for additional chunks");
+				buf.push("// Since all referenced chunks are already included");
+				buf.push("// in this file, this function is empty here.");
+				buf.push(`${this.requireFn}.e = function requireEnsure() {`);
+				buf.push(Template.indent("return Promise.resolve();"));
+				buf.push("};");
+			}
+			buf.push("");
+			buf.push("// expose the modules object (__webpack_modules__)");
+			buf.push(`${this.requireFn}.m = modules;`);
+
+			buf.push("");
+			buf.push("// expose the module cache");
+			buf.push(`${this.requireFn}.c = installedModules;`);
+
+			buf.push("");
+			buf.push("// define getter function for harmony exports");
+			buf.push(`${this.requireFn}.d = function(exports, name, getter) {`);
+			buf.push(
+				Template.indent([
+					`if(!${this.requireFn}.o(exports, name)) {`,
+					Template.indent([
+						"Object.defineProperty(exports, name, { enumerable: true, get: getter });"
+					]),
+					"}"
+				])
+			);
+			buf.push("};");
+
+			buf.push("");
+			buf.push("// define __esModule on exports");
+			buf.push(`${this.requireFn}.r = function(exports) {`);
+			buf.push(
+				Template.indent([
+					"if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {",
+					Template.indent([
+						"Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });"
+					]),
+					"}",
+					"Object.defineProperty(exports, '__esModule', { value: true });"
+				])
+			);
+			buf.push("};");
+
+			buf.push("");
+			buf.push("// create a fake namespace object");
+			buf.push("// mode & 1: value is a module id, require it");
+			buf.push("// mode & 2: merge all properties of value into the ns");
+			buf.push("// mode & 4: return value when already ns object");
+			buf.push("// mode & 8|1: behave like require");
+			buf.push(`${this.requireFn}.t = function(value, mode) {`);
+			buf.push(
+				Template.indent([
+					`if(mode & 1) value = ${this.requireFn}(value);`,
+					`if(mode & 8) return value;`,
+					"if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;",
+					"var ns = Object.create(null);",
+					`${this.requireFn}.r(ns);`,
+					"Object.defineProperty(ns, 'default', { enumerable: true, value: value });",
+					"if(mode & 2 && typeof value != 'string') for(var key in value) " +
+						`${this.requireFn}.d(ns, key, function(key) { ` +
+						"return value[key]; " +
+						"}.bind(null, key));",
+					"return ns;"
+				])
+			);
+			buf.push("};");
+
+			buf.push("");
+			buf.push(
+				"// getDefaultExport function for compatibility with non-harmony modules"
+			);
+			buf.push(this.requireFn + ".n = function(module) {");
+			buf.push(
+				Template.indent([
+					"var getter = module && module.__esModule ?",
+					Template.indent([
+						"function getDefault() { return module['default']; } :",
+						"function getModuleExports() { return module; };"
+					]),
+					`${this.requireFn}.d(getter, 'a', getter);`,
+					"return getter;"
+				])
+			);
+			buf.push("};");
+
+			buf.push("");
+			buf.push("// Object.prototype.hasOwnProperty.call");
+			buf.push(
+				`${this.requireFn}.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };`
+			);
+
+			const publicPath = this.getPublicPath({
+				hash: hash
+			});
+			buf.push("");
+			buf.push("// __webpack_public_path__");
+			buf.push(`${this.requireFn}.p = ${JSON.stringify(publicPath)};`);
+			return Template.asString(buf);
+		});
+
+		this.requireFn = "__webpack_require__";
+	}
+
+	/**
+	 *
+	 * @param {RenderManifestOptions} options render manifest options
+	 * @returns {TODO[]} returns render manifest
+	 */
+	getRenderManifest(options) {
+		const result = [];
+
+		this.hooks.renderManifest.call(result, options);
+
+		return result;
+	}
+
+	/**
+	 * TODO webpack 5: remove moduleTemplate and dependencyTemplates
+	 * @param {string} hash hash to be used for render call
+	 * @param {Chunk} chunk Chunk instance
+	 * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance for render
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates dependency templates
+	 * @returns {string[]} the generated source of the bootstrap code
+	 */
+	renderBootstrap(hash, chunk, moduleTemplate, dependencyTemplates) {
+		const buf = [];
+		buf.push(
+			this.hooks.bootstrap.call(
+				"",
+				chunk,
+				hash,
+				moduleTemplate,
+				dependencyTemplates
+			)
+		);
+		buf.push(this.hooks.localVars.call("", chunk, hash));
+		buf.push("");
+		buf.push("// The require function");
+		buf.push(`function ${this.requireFn}(moduleId) {`);
+		buf.push(Template.indent(this.hooks.require.call("", chunk, hash)));
+		buf.push("}");
+		buf.push("");
+		buf.push(
+			Template.asString(this.hooks.requireExtensions.call("", chunk, hash))
+		);
+		buf.push("");
+		buf.push(Template.asString(this.hooks.beforeStartup.call("", chunk, hash)));
+		const afterStartupCode = Template.asString(
+			this.hooks.afterStartup.call("", chunk, hash)
+		);
+		if (afterStartupCode) {
+			// TODO webpack 5: this is a bit hacky to avoid a breaking change
+			// change it to a better way
+			buf.push("var startupResult = (function() {");
+		}
+		buf.push(Template.asString(this.hooks.startup.call("", chunk, hash)));
+		if (afterStartupCode) {
+			buf.push("})();");
+			buf.push(afterStartupCode);
+			buf.push("return startupResult;");
+		}
+		return buf;
+	}
+
+	/**
+	 * @param {string} hash hash to be used for render call
+	 * @param {Chunk} chunk Chunk instance
+	 * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance for render
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates dependency templates
+	 * @returns {ConcatSource} the newly generated source from rendering
+	 */
+	render(hash, chunk, moduleTemplate, dependencyTemplates) {
+		const buf = this.renderBootstrap(
+			hash,
+			chunk,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		let source = this.hooks.render.call(
+			new OriginalSource(
+				Template.prefix(buf, " \t") + "\n",
+				"webpack/bootstrap"
+			),
+			chunk,
+			hash,
+			moduleTemplate,
+			dependencyTemplates
+		);
+		if (chunk.hasEntryModule()) {
+			source = this.hooks.renderWithEntry.call(source, chunk, hash);
+		}
+		if (!source) {
+			throw new Error(
+				"Compiler error: MainTemplate plugin 'render' should return something"
+			);
+		}
+		chunk.rendered = true;
+		return new ConcatSource(source, ";");
+	}
+
+	/**
+	 *
+	 * @param {string} hash hash for render fn
+	 * @param {Chunk} chunk Chunk instance for require
+	 * @param {(number|string)=} varModuleId module id
+	 * @returns {TODO} the moduleRequire hook call return signature
+	 */
+	renderRequireFunctionForModule(hash, chunk, varModuleId) {
+		return this.hooks.moduleRequire.call(
+			this.requireFn,
+			chunk,
+			hash,
+			varModuleId
+		);
+	}
+
+	/**
+	 *
+	 * @param {string} hash hash for render add fn
+	 * @param {Chunk} chunk Chunk instance for require add fn
+	 * @param {(string|number)=} varModuleId module id
+	 * @param {Module} varModule Module instance
+	 * @returns {TODO} renderAddModule call
+	 */
+	renderAddModule(hash, chunk, varModuleId, varModule) {
+		return this.hooks.addModule.call(
+			`modules[${varModuleId}] = ${varModule};`,
+			chunk,
+			hash,
+			varModuleId,
+			varModule
+		);
+	}
+
+	/**
+	 *
+	 * @param {string} hash string hash
+	 * @param {number=} length length
+	 * @returns {string} call hook return
+	 */
+	renderCurrentHashCode(hash, length) {
+		length = length || Infinity;
+		return this.hooks.currentHash.call(
+			JSON.stringify(hash.substr(0, length)),
+			length
+		);
+	}
+
+	/**
+	 *
+	 * @param {object} options get public path options
+	 * @returns {string} hook call
+	 */
+	getPublicPath(options) {
+		return this.hooks.assetPath.call(
+			this.outputOptions.publicPath || "",
+			options
+		);
+	}
+
+	getAssetPath(path, options) {
+		return this.hooks.assetPath.call(path, options);
+	}
+
+	getAssetPathWithInfo(path, options) {
+		const assetInfo = {};
+		// TODO webpack 5: refactor assetPath hook to receive { path, info } object
+		const newPath = this.hooks.assetPath.call(path, options, assetInfo);
+		return { path: newPath, info: assetInfo };
+	}
+
+	/**
+	 * Updates hash with information from this template
+	 * @param {Hash} hash the hash to update
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update("maintemplate");
+		hash.update("3");
+		this.hooks.hash.call(hash);
+	}
+
+	/**
+	 * TODO webpack 5: remove moduleTemplate and dependencyTemplates
+	 * Updates hash with chunk-specific information from this template
+	 * @param {Hash} hash the hash to update
+	 * @param {Chunk} chunk the chunk
+	 * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance for render
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates dependency templates
+	 * @returns {void}
+	 */
+	updateHashForChunk(hash, chunk, moduleTemplate, dependencyTemplates) {
+		this.updateHash(hash);
+		this.hooks.hashForChunk.call(hash, chunk);
+		for (const line of this.renderBootstrap(
+			"0000",
+			chunk,
+			moduleTemplate,
+			dependencyTemplates
+		)) {
+			hash.update(line);
+		}
+	}
+
+	useChunkHash(chunk) {
+		const paths = this.hooks.globalHashPaths.call([]);
+		return !this.hooks.globalHash.call(chunk, paths);
+	}
+};
diff --git a/node_modules/webpack/lib/MemoryOutputFileSystem.js b/node_modules/webpack/lib/MemoryOutputFileSystem.js
new file mode 100644
index 00000000..84761488
--- /dev/null
+++ b/node_modules/webpack/lib/MemoryOutputFileSystem.js
@@ -0,0 +1,5 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+module.exports = require("memory-fs");
diff --git a/node_modules/webpack/lib/Module.js b/node_modules/webpack/lib/Module.js
new file mode 100644
index 00000000..3fb571cb
--- /dev/null
+++ b/node_modules/webpack/lib/Module.js
@@ -0,0 +1,435 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+
+const DependenciesBlock = require("./DependenciesBlock");
+const ModuleReason = require("./ModuleReason");
+const SortableSet = require("./util/SortableSet");
+const Template = require("./Template");
+
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./RequestShortener")} RequestShortener */
+/** @typedef {import("./WebpackError")} WebpackError */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+const EMPTY_RESOLVE_OPTIONS = {};
+
+let debugId = 1000;
+
+const sortById = (a, b) => {
+	return a.id - b.id;
+};
+
+const sortByDebugId = (a, b) => {
+	return a.debugId - b.debugId;
+};
+
+/** @typedef {(requestShortener: RequestShortener) => string} OptimizationBailoutFunction */
+
+class Module extends DependenciesBlock {
+	constructor(type, context = null) {
+		super();
+		/** @type {string} */
+		this.type = type;
+		/** @type {string} */
+		this.context = context;
+
+		// Unique Id
+		/** @type {number} */
+		this.debugId = debugId++;
+
+		// Hash
+		/** @type {string} */
+		this.hash = undefined;
+		/** @type {string} */
+		this.renderedHash = undefined;
+
+		// Info from Factory
+		/** @type {TODO} */
+		this.resolveOptions = EMPTY_RESOLVE_OPTIONS;
+		/** @type {object} */
+		this.factoryMeta = {};
+
+		// Info from Build
+		/** @type {WebpackError[]} */
+		this.warnings = [];
+		/** @type {WebpackError[]} */
+		this.errors = [];
+		/** @type {object} */
+		this.buildMeta = undefined;
+		/** @type {object} */
+		this.buildInfo = undefined;
+
+		// Graph (per Compilation)
+		/** @type {ModuleReason[]} */
+		this.reasons = [];
+		/** @type {SortableSet<Chunk>} */
+		this._chunks = new SortableSet(undefined, sortById);
+
+		// Info from Compilation (per Compilation)
+		/** @type {number|string} */
+		this.id = null;
+		/** @type {number} */
+		this.index = null;
+		/** @type {number} */
+		this.index2 = null;
+		/** @type {number} */
+		this.depth = null;
+		/** @type {Module} */
+		this.issuer = null;
+		/** @type {undefined | object} */
+		this.profile = undefined;
+		/** @type {boolean} */
+		this.prefetched = false;
+		/** @type {boolean} */
+		this.built = false;
+
+		// Info from Optimization (per Compilation)
+		/** @type {null | boolean} */
+		this.used = null;
+		/** @type {false | true | string[]} */
+		this.usedExports = null;
+		/** @type {(string | OptimizationBailoutFunction)[]} */
+		this.optimizationBailout = [];
+
+		// delayed operations
+		/** @type {undefined | {oldChunk: Chunk, newChunks: Chunk[]}[] } */
+		this._rewriteChunkInReasons = undefined;
+
+		/** @type {boolean} */
+		this.useSourceMap = false;
+
+		// info from build
+		this._source = null;
+	}
+
+	get exportsArgument() {
+		return (this.buildInfo && this.buildInfo.exportsArgument) || "exports";
+	}
+
+	get moduleArgument() {
+		return (this.buildInfo && this.buildInfo.moduleArgument) || "module";
+	}
+
+	disconnect() {
+		this.hash = undefined;
+		this.renderedHash = undefined;
+
+		this.reasons.length = 0;
+		this._rewriteChunkInReasons = undefined;
+		this._chunks.clear();
+
+		this.id = null;
+		this.index = null;
+		this.index2 = null;
+		this.depth = null;
+		this.issuer = null;
+		this.profile = undefined;
+		this.prefetched = false;
+		this.built = false;
+
+		this.used = null;
+		this.usedExports = null;
+		this.optimizationBailout.length = 0;
+		super.disconnect();
+	}
+
+	unseal() {
+		this.id = null;
+		this.index = null;
+		this.index2 = null;
+		this.depth = null;
+		this._chunks.clear();
+		super.unseal();
+	}
+
+	setChunks(chunks) {
+		this._chunks = new SortableSet(chunks, sortById);
+	}
+
+	addChunk(chunk) {
+		if (this._chunks.has(chunk)) return false;
+		this._chunks.add(chunk);
+		return true;
+	}
+
+	removeChunk(chunk) {
+		if (this._chunks.delete(chunk)) {
+			chunk.removeModule(this);
+			return true;
+		}
+		return false;
+	}
+
+	isInChunk(chunk) {
+		return this._chunks.has(chunk);
+	}
+
+	isEntryModule() {
+		for (const chunk of this._chunks) {
+			if (chunk.entryModule === this) return true;
+		}
+		return false;
+	}
+
+	get optional() {
+		return (
+			this.reasons.length > 0 &&
+			this.reasons.every(r => r.dependency && r.dependency.optional)
+		);
+	}
+
+	/**
+	 * @returns {Chunk[]} all chunks which contain the module
+	 */
+	getChunks() {
+		return Array.from(this._chunks);
+	}
+
+	getNumberOfChunks() {
+		return this._chunks.size;
+	}
+
+	get chunksIterable() {
+		return this._chunks;
+	}
+
+	hasEqualsChunks(otherModule) {
+		if (this._chunks.size !== otherModule._chunks.size) return false;
+		this._chunks.sortWith(sortByDebugId);
+		otherModule._chunks.sortWith(sortByDebugId);
+		const a = this._chunks[Symbol.iterator]();
+		const b = otherModule._chunks[Symbol.iterator]();
+		// eslint-disable-next-line no-constant-condition
+		while (true) {
+			const aItem = a.next();
+			const bItem = b.next();
+			if (aItem.done) return true;
+			if (aItem.value !== bItem.value) return false;
+		}
+	}
+
+	addReason(module, dependency, explanation) {
+		this.reasons.push(new ModuleReason(module, dependency, explanation));
+	}
+
+	removeReason(module, dependency) {
+		for (let i = 0; i < this.reasons.length; i++) {
+			let r = this.reasons[i];
+			if (r.module === module && r.dependency === dependency) {
+				this.reasons.splice(i, 1);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	hasReasonForChunk(chunk) {
+		if (this._rewriteChunkInReasons) {
+			for (const operation of this._rewriteChunkInReasons) {
+				this._doRewriteChunkInReasons(operation.oldChunk, operation.newChunks);
+			}
+			this._rewriteChunkInReasons = undefined;
+		}
+		for (let i = 0; i < this.reasons.length; i++) {
+			if (this.reasons[i].hasChunk(chunk)) return true;
+		}
+		return false;
+	}
+
+	hasReasons() {
+		return this.reasons.length > 0;
+	}
+
+	rewriteChunkInReasons(oldChunk, newChunks) {
+		// This is expensive. Delay operation until we really need the data
+		if (this._rewriteChunkInReasons === undefined) {
+			this._rewriteChunkInReasons = [];
+		}
+		this._rewriteChunkInReasons.push({
+			oldChunk,
+			newChunks
+		});
+	}
+
+	_doRewriteChunkInReasons(oldChunk, newChunks) {
+		for (let i = 0; i < this.reasons.length; i++) {
+			this.reasons[i].rewriteChunks(oldChunk, newChunks);
+		}
+	}
+
+	/**
+	 * @param {string=} exportName the name of the export
+	 * @returns {boolean|string} false if the export isn't used, true if no exportName is provided and the module is used, or the name to access it if the export is used
+	 */
+	isUsed(exportName) {
+		if (!exportName) return this.used !== false;
+		if (this.used === null || this.usedExports === null) return exportName;
+		if (!this.used) return false;
+		if (!this.usedExports) return false;
+		if (this.usedExports === true) return exportName;
+		let idx = this.usedExports.indexOf(exportName);
+		if (idx < 0) return false;
+
+		// Mangle export name if possible
+		if (this.isProvided(exportName)) {
+			if (this.buildMeta.exportsType === "namespace") {
+				return Template.numberToIdentifer(idx);
+			}
+			if (
+				this.buildMeta.exportsType === "named" &&
+				!this.usedExports.includes("default")
+			) {
+				return Template.numberToIdentifer(idx);
+			}
+		}
+		return exportName;
+	}
+
+	isProvided(exportName) {
+		if (!Array.isArray(this.buildMeta.providedExports)) return null;
+		return this.buildMeta.providedExports.includes(exportName);
+	}
+
+	toString() {
+		return `Module[${this.id || this.debugId}]`;
+	}
+
+	needRebuild(fileTimestamps, contextTimestamps) {
+		return true;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(`${this.id}`);
+		hash.update(JSON.stringify(this.usedExports));
+		super.updateHash(hash);
+	}
+
+	sortItems(sortChunks) {
+		super.sortItems();
+		if (sortChunks) this._chunks.sort();
+		this.reasons.sort((a, b) => {
+			if (a.module === b.module) return 0;
+			if (!a.module) return -1;
+			if (!b.module) return 1;
+			return sortById(a.module, b.module);
+		});
+		if (Array.isArray(this.usedExports)) {
+			this.usedExports.sort();
+		}
+	}
+
+	unbuild() {
+		this.dependencies.length = 0;
+		this.blocks.length = 0;
+		this.variables.length = 0;
+		this.buildMeta = undefined;
+		this.buildInfo = undefined;
+		this.disconnect();
+	}
+
+	get arguments() {
+		throw new Error("Module.arguments was removed, there is no replacement.");
+	}
+
+	set arguments(value) {
+		throw new Error("Module.arguments was removed, there is no replacement.");
+	}
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "forEachChunk", {
+	configurable: false,
+	value: util.deprecate(
+		/**
+		 * @deprecated
+		 * @param {function(any, any, Set<any>): void} fn callback function
+		 * @returns {void}
+		 * @this {Module}
+		 */
+		function(fn) {
+			this._chunks.forEach(fn);
+		},
+		"Module.forEachChunk: Use for(const chunk of module.chunksIterable) instead"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "mapChunks", {
+	configurable: false,
+	value: util.deprecate(
+		/**
+		 * @deprecated
+		 * @param {function(any, any): void} fn Mapper function
+		 * @returns {Array<TODO>} Array of chunks mapped
+		 * @this {Module}
+		 */
+		function(fn) {
+			return Array.from(this._chunks, fn);
+		},
+		"Module.mapChunks: Use Array.from(module.chunksIterable, fn) instead"
+	)
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "entry", {
+	configurable: false,
+	get() {
+		throw new Error("Module.entry was removed. Use Chunk.entryModule");
+	},
+	set() {
+		throw new Error("Module.entry was removed. Use Chunk.entryModule");
+	}
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "meta", {
+	configurable: false,
+	get: util.deprecate(
+		/**
+		 * @deprecated
+		 * @returns {void}
+		 * @this {Module}
+		 */
+		function() {
+			return this.buildMeta;
+		},
+		"Module.meta was renamed to Module.buildMeta"
+	),
+	set: util.deprecate(
+		/**
+		 * @deprecated
+		 * @param {TODO} value Value
+		 * @returns {void}
+		 * @this {Module}
+		 */
+		function(value) {
+			this.buildMeta = value;
+		},
+		"Module.meta was renamed to Module.buildMeta"
+	)
+});
+
+/** @type {function(): string} */
+Module.prototype.identifier = null;
+
+/** @type {function(RequestShortener): string} */
+Module.prototype.readableIdentifier = null;
+
+Module.prototype.build = null;
+Module.prototype.source = null;
+Module.prototype.size = null;
+Module.prototype.nameForCondition = null;
+/** @type {null | function(Chunk): boolean} */
+Module.prototype.chunkCondition = null;
+Module.prototype.updateCacheModule = null;
+
+module.exports = Module;
diff --git a/node_modules/webpack/lib/ModuleBuildError.js b/node_modules/webpack/lib/ModuleBuildError.js
new file mode 100644
index 00000000..d6b498ee
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleBuildError.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+const { cutOffLoaderExecution } = require("./ErrorHelpers");
+
+class ModuleBuildError extends WebpackError {
+	constructor(module, err, { from = null } = {}) {
+		let message = "Module build failed";
+		let details = undefined;
+		if (from) {
+			message += ` (from ${from}):\n`;
+		} else {
+			message += ": ";
+		}
+		if (err !== null && typeof err === "object") {
+			if (typeof err.stack === "string" && err.stack) {
+				const stack = cutOffLoaderExecution(err.stack);
+				if (!err.hideStack) {
+					message += stack;
+				} else {
+					details = stack;
+					if (typeof err.message === "string" && err.message) {
+						message += err.message;
+					} else {
+						message += err;
+					}
+				}
+			} else if (typeof err.message === "string" && err.message) {
+				message += err.message;
+			} else {
+				message += err;
+			}
+		} else {
+			message = err;
+		}
+
+		super(message);
+
+		this.name = "ModuleBuildError";
+		this.details = details;
+		this.module = module;
+		this.error = err;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleBuildError;
diff --git a/node_modules/webpack/lib/ModuleDependencyError.js b/node_modules/webpack/lib/ModuleDependencyError.js
new file mode 100644
index 00000000..cb16cc34
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleDependencyError.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+class ModuleDependencyError extends WebpackError {
+	/**
+	 * Creates an instance of ModuleDependencyError.
+	 * @param {Module} module module tied to dependency
+	 * @param {Error} err error thrown
+	 * @param {TODO} loc location of dependency
+	 */
+	constructor(module, err, loc) {
+		super(err.message);
+
+		this.name = "ModuleDependencyError";
+		this.details = err.stack
+			.split("\n")
+			.slice(1)
+			.join("\n");
+		this.module = module;
+		this.loc = loc;
+		this.error = err;
+		this.origin = module.issuer;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleDependencyError;
diff --git a/node_modules/webpack/lib/ModuleDependencyWarning.js b/node_modules/webpack/lib/ModuleDependencyWarning.js
new file mode 100644
index 00000000..be62791c
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleDependencyWarning.js
@@ -0,0 +1,25 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class ModuleDependencyWarning extends WebpackError {
+	constructor(module, err, loc) {
+		super(err.message);
+
+		this.name = "ModuleDependencyWarning";
+		this.details = err.stack
+			.split("\n")
+			.slice(1)
+			.join("\n");
+		this.module = module;
+		this.loc = loc;
+		this.error = err;
+		this.origin = module.issuer;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/ModuleError.js b/node_modules/webpack/lib/ModuleError.js
new file mode 100644
index 00000000..7079d613
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleError.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+const { cleanUp } = require("./ErrorHelpers");
+
+class ModuleError extends WebpackError {
+	constructor(module, err, { from = null } = {}) {
+		let message = "Module Error";
+		if (from) {
+			message += ` (from ${from}):\n`;
+		} else {
+			message += ": ";
+		}
+		if (err && typeof err === "object" && err.message) {
+			message += err.message;
+		} else if (err) {
+			message += err;
+		}
+		super(message);
+		this.name = "ModuleError";
+		this.module = module;
+		this.error = err;
+		this.details =
+			err && typeof err === "object" && err.stack
+				? cleanUp(err.stack, this.message)
+				: undefined;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleError;
diff --git a/node_modules/webpack/lib/ModuleFilenameHelpers.js b/node_modules/webpack/lib/ModuleFilenameHelpers.js
new file mode 100644
index 00000000..bd0742b7
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleFilenameHelpers.js
@@ -0,0 +1,179 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const createHash = require("./util/createHash");
+
+const ModuleFilenameHelpers = exports;
+
+ModuleFilenameHelpers.ALL_LOADERS_RESOURCE = "[all-loaders][resource]";
+ModuleFilenameHelpers.REGEXP_ALL_LOADERS_RESOURCE = /\[all-?loaders\]\[resource\]/gi;
+ModuleFilenameHelpers.LOADERS_RESOURCE = "[loaders][resource]";
+ModuleFilenameHelpers.REGEXP_LOADERS_RESOURCE = /\[loaders\]\[resource\]/gi;
+ModuleFilenameHelpers.RESOURCE = "[resource]";
+ModuleFilenameHelpers.REGEXP_RESOURCE = /\[resource\]/gi;
+ModuleFilenameHelpers.ABSOLUTE_RESOURCE_PATH = "[absolute-resource-path]";
+ModuleFilenameHelpers.REGEXP_ABSOLUTE_RESOURCE_PATH = /\[abs(olute)?-?resource-?path\]/gi;
+ModuleFilenameHelpers.RESOURCE_PATH = "[resource-path]";
+ModuleFilenameHelpers.REGEXP_RESOURCE_PATH = /\[resource-?path\]/gi;
+ModuleFilenameHelpers.ALL_LOADERS = "[all-loaders]";
+ModuleFilenameHelpers.REGEXP_ALL_LOADERS = /\[all-?loaders\]/gi;
+ModuleFilenameHelpers.LOADERS = "[loaders]";
+ModuleFilenameHelpers.REGEXP_LOADERS = /\[loaders\]/gi;
+ModuleFilenameHelpers.QUERY = "[query]";
+ModuleFilenameHelpers.REGEXP_QUERY = /\[query\]/gi;
+ModuleFilenameHelpers.ID = "[id]";
+ModuleFilenameHelpers.REGEXP_ID = /\[id\]/gi;
+ModuleFilenameHelpers.HASH = "[hash]";
+ModuleFilenameHelpers.REGEXP_HASH = /\[hash\]/gi;
+ModuleFilenameHelpers.NAMESPACE = "[namespace]";
+ModuleFilenameHelpers.REGEXP_NAMESPACE = /\[namespace\]/gi;
+
+const getAfter = (str, token) => {
+	const idx = str.indexOf(token);
+	return idx < 0 ? "" : str.substr(idx);
+};
+
+const getBefore = (str, token) => {
+	const idx = str.lastIndexOf(token);
+	return idx < 0 ? "" : str.substr(0, idx);
+};
+
+const getHash = str => {
+	const hash = createHash("md4");
+	hash.update(str);
+	const digest = /** @type {string} */ (hash.digest("hex"));
+	return digest.substr(0, 4);
+};
+
+const asRegExp = test => {
+	if (typeof test === "string") {
+		test = new RegExp("^" + test.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
+	}
+	return test;
+};
+
+ModuleFilenameHelpers.createFilename = (module, options, requestShortener) => {
+	const opts = Object.assign(
+		{
+			namespace: "",
+			moduleFilenameTemplate: ""
+		},
+		typeof options === "object"
+			? options
+			: {
+					moduleFilenameTemplate: options
+			  }
+	);
+
+	let absoluteResourcePath;
+	let hash;
+	let identifier;
+	let moduleId;
+	let shortIdentifier;
+	if (module === undefined) module = "";
+	if (typeof module === "string") {
+		shortIdentifier = requestShortener.shorten(module);
+		identifier = shortIdentifier;
+		moduleId = "";
+		absoluteResourcePath = module.split("!").pop();
+		hash = getHash(identifier);
+	} else {
+		shortIdentifier = module.readableIdentifier(requestShortener);
+		identifier = requestShortener.shorten(module.identifier());
+		moduleId = module.id;
+		absoluteResourcePath = module
+			.identifier()
+			.split("!")
+			.pop();
+		hash = getHash(identifier);
+	}
+	const resource = shortIdentifier.split("!").pop();
+	const loaders = getBefore(shortIdentifier, "!");
+	const allLoaders = getBefore(identifier, "!");
+	const query = getAfter(resource, "?");
+	const resourcePath = resource.substr(0, resource.length - query.length);
+	if (typeof opts.moduleFilenameTemplate === "function") {
+		return opts.moduleFilenameTemplate({
+			identifier: identifier,
+			shortIdentifier: shortIdentifier,
+			resource: resource,
+			resourcePath: resourcePath,
+			absoluteResourcePath: absoluteResourcePath,
+			allLoaders: allLoaders,
+			query: query,
+			moduleId: moduleId,
+			hash: hash,
+			namespace: opts.namespace
+		});
+	}
+	return opts.moduleFilenameTemplate
+		.replace(ModuleFilenameHelpers.REGEXP_ALL_LOADERS_RESOURCE, identifier)
+		.replace(ModuleFilenameHelpers.REGEXP_LOADERS_RESOURCE, shortIdentifier)
+		.replace(ModuleFilenameHelpers.REGEXP_RESOURCE, resource)
+		.replace(ModuleFilenameHelpers.REGEXP_RESOURCE_PATH, resourcePath)
+		.replace(
+			ModuleFilenameHelpers.REGEXP_ABSOLUTE_RESOURCE_PATH,
+			absoluteResourcePath
+		)
+		.replace(ModuleFilenameHelpers.REGEXP_ALL_LOADERS, allLoaders)
+		.replace(ModuleFilenameHelpers.REGEXP_LOADERS, loaders)
+		.replace(ModuleFilenameHelpers.REGEXP_QUERY, query)
+		.replace(ModuleFilenameHelpers.REGEXP_ID, moduleId)
+		.replace(ModuleFilenameHelpers.REGEXP_HASH, hash)
+		.replace(ModuleFilenameHelpers.REGEXP_NAMESPACE, opts.namespace);
+};
+
+ModuleFilenameHelpers.replaceDuplicates = (array, fn, comparator) => {
+	const countMap = Object.create(null);
+	const posMap = Object.create(null);
+	array.forEach((item, idx) => {
+		countMap[item] = countMap[item] || [];
+		countMap[item].push(idx);
+		posMap[item] = 0;
+	});
+	if (comparator) {
+		Object.keys(countMap).forEach(item => {
+			countMap[item].sort(comparator);
+		});
+	}
+	return array.map((item, i) => {
+		if (countMap[item].length > 1) {
+			if (comparator && countMap[item][0] === i) return item;
+			return fn(item, i, posMap[item]++);
+		} else {
+			return item;
+		}
+	});
+};
+
+ModuleFilenameHelpers.matchPart = (str, test) => {
+	if (!test) return true;
+	test = asRegExp(test);
+	if (Array.isArray(test)) {
+		return test.map(asRegExp).some(regExp => regExp.test(str));
+	} else {
+		return test.test(str);
+	}
+};
+
+ModuleFilenameHelpers.matchObject = (obj, str) => {
+	if (obj.test) {
+		if (!ModuleFilenameHelpers.matchPart(str, obj.test)) {
+			return false;
+		}
+	}
+	if (obj.include) {
+		if (!ModuleFilenameHelpers.matchPart(str, obj.include)) {
+			return false;
+		}
+	}
+	if (obj.exclude) {
+		if (ModuleFilenameHelpers.matchPart(str, obj.exclude)) {
+			return false;
+		}
+	}
+	return true;
+};
diff --git a/node_modules/webpack/lib/ModuleNotFoundError.js b/node_modules/webpack/lib/ModuleNotFoundError.js
new file mode 100644
index 00000000..cdfc3147
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleNotFoundError.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+class ModuleNotFoundError extends WebpackError {
+	constructor(module, err) {
+		super("Module not found: " + err);
+
+		this.name = "ModuleNotFoundError";
+		this.details = err.details;
+		this.missing = err.missing;
+		this.module = module;
+		this.error = err;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleNotFoundError;
diff --git a/node_modules/webpack/lib/ModuleParseError.js b/node_modules/webpack/lib/ModuleParseError.js
new file mode 100644
index 00000000..2ff22b7e
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleParseError.js
@@ -0,0 +1,67 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+class ModuleParseError extends WebpackError {
+	/**
+	 * @param {Module} module the errored module
+	 * @param {string} source source code
+	 * @param {Error&any} err the parse error
+	 * @param {string[]} loaders the loaders used
+	 */
+	constructor(module, source, err, loaders) {
+		let message = "Module parse failed: " + err.message;
+		let loc = undefined;
+		if (loaders.length >= 1) {
+			message += `\nFile was processed with these loaders:${loaders
+				.map(loader => `\n * ${loader}`)
+				.join("")}`;
+			message +=
+				"\nYou may need an additional loader to handle the result of these loaders.";
+		} else {
+			message +=
+				"\nYou may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders";
+		}
+		if (
+			err.loc &&
+			typeof err.loc === "object" &&
+			typeof err.loc.line === "number"
+		) {
+			var lineNumber = err.loc.line;
+			if (/[\0\u0001\u0002\u0003\u0004\u0005\u0006\u0007]/.test(source)) {
+				// binary file
+				message += "\n(Source code omitted for this binary file)";
+			} else {
+				const sourceLines = source.split(/\r?\n/);
+				const start = Math.max(0, lineNumber - 3);
+				const linesBefore = sourceLines.slice(start, lineNumber - 1);
+				const theLine = sourceLines[lineNumber - 1];
+				const linesAfter = sourceLines.slice(lineNumber, lineNumber + 2);
+				message +=
+					linesBefore.map(l => `\n| ${l}`).join("") +
+					`\n> ${theLine}` +
+					linesAfter.map(l => `\n| ${l}`).join("");
+			}
+			loc = err.loc;
+		} else {
+			message += "\n" + err.stack;
+		}
+
+		super(message);
+
+		this.name = "ModuleParseError";
+		this.module = module;
+		this.loc = loc;
+		this.error = err;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleParseError;
diff --git a/node_modules/webpack/lib/ModuleReason.js b/node_modules/webpack/lib/ModuleReason.js
new file mode 100644
index 00000000..3697f849
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleReason.js
@@ -0,0 +1,48 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Dependency")} Dependency */
+
+class ModuleReason {
+	/**
+	 * @param {Module} module the referencing module
+	 * @param {Dependency} dependency the referencing dependency
+	 * @param {string=} explanation some extra detail
+	 */
+	constructor(module, dependency, explanation) {
+		this.module = module;
+		this.dependency = dependency;
+		this.explanation = explanation;
+		this._chunks = null;
+	}
+
+	hasChunk(chunk) {
+		if (this._chunks) {
+			if (this._chunks.has(chunk)) return true;
+		} else if (this.module && this.module._chunks.has(chunk)) return true;
+		return false;
+	}
+
+	rewriteChunks(oldChunk, newChunks) {
+		if (!this._chunks) {
+			if (this.module) {
+				if (!this.module._chunks.has(oldChunk)) return;
+				this._chunks = new Set(this.module._chunks);
+			} else {
+				this._chunks = new Set();
+			}
+		}
+		if (this._chunks.has(oldChunk)) {
+			this._chunks.delete(oldChunk);
+			for (let i = 0; i < newChunks.length; i++) {
+				this._chunks.add(newChunks[i]);
+			}
+		}
+	}
+}
+
+module.exports = ModuleReason;
diff --git a/node_modules/webpack/lib/ModuleTemplate.js b/node_modules/webpack/lib/ModuleTemplate.js
new file mode 100644
index 00000000..06e787ed
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleTemplate.js
@@ -0,0 +1,93 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { Tapable, SyncWaterfallHook, SyncHook } = require("tapable");
+
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("./Module")} Module */
+
+module.exports = class ModuleTemplate extends Tapable {
+	constructor(runtimeTemplate, type) {
+		super();
+		this.runtimeTemplate = runtimeTemplate;
+		this.type = type;
+		this.hooks = {
+			content: new SyncWaterfallHook([
+				"source",
+				"module",
+				"options",
+				"dependencyTemplates"
+			]),
+			module: new SyncWaterfallHook([
+				"source",
+				"module",
+				"options",
+				"dependencyTemplates"
+			]),
+			render: new SyncWaterfallHook([
+				"source",
+				"module",
+				"options",
+				"dependencyTemplates"
+			]),
+			package: new SyncWaterfallHook([
+				"source",
+				"module",
+				"options",
+				"dependencyTemplates"
+			]),
+			hash: new SyncHook(["hash"])
+		};
+	}
+
+	/**
+	 * @param {Module} module the module
+	 * @param {TODO} dependencyTemplates templates for dependencies
+	 * @param {TODO} options render options
+	 * @returns {Source} the source
+	 */
+	render(module, dependencyTemplates, options) {
+		try {
+			const moduleSource = module.source(
+				dependencyTemplates,
+				this.runtimeTemplate,
+				this.type
+			);
+			const moduleSourcePostContent = this.hooks.content.call(
+				moduleSource,
+				module,
+				options,
+				dependencyTemplates
+			);
+			const moduleSourcePostModule = this.hooks.module.call(
+				moduleSourcePostContent,
+				module,
+				options,
+				dependencyTemplates
+			);
+			const moduleSourcePostRender = this.hooks.render.call(
+				moduleSourcePostModule,
+				module,
+				options,
+				dependencyTemplates
+			);
+			return this.hooks.package.call(
+				moduleSourcePostRender,
+				module,
+				options,
+				dependencyTemplates
+			);
+		} catch (e) {
+			e.message = `${module.identifier()}\n${e.message}`;
+			throw e;
+		}
+	}
+
+	updateHash(hash) {
+		hash.update("1");
+		this.hooks.hash.call(hash);
+	}
+};
diff --git a/node_modules/webpack/lib/ModuleWarning.js b/node_modules/webpack/lib/ModuleWarning.js
new file mode 100644
index 00000000..13068192
--- /dev/null
+++ b/node_modules/webpack/lib/ModuleWarning.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+const { cleanUp } = require("./ErrorHelpers");
+
+class ModuleWarning extends WebpackError {
+	constructor(module, warning, { from = null } = {}) {
+		let message = "Module Warning";
+		if (from) {
+			message += ` (from ${from}):\n`;
+		} else {
+			message += ": ";
+		}
+		if (warning && typeof warning === "object" && warning.message) {
+			message += warning.message;
+		} else if (warning) {
+			message += warning;
+		}
+		super(message);
+		this.name = "ModuleWarning";
+		this.module = module;
+		this.warning = warning;
+		this.details =
+			warning && typeof warning === "object" && warning.stack
+				? cleanUp(warning.stack, this.message)
+				: undefined;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = ModuleWarning;
diff --git a/node_modules/webpack/lib/MultiCompiler.js b/node_modules/webpack/lib/MultiCompiler.js
new file mode 100644
index 00000000..e9c3005e
--- /dev/null
+++ b/node_modules/webpack/lib/MultiCompiler.js
@@ -0,0 +1,290 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { Tapable, SyncHook, MultiHook } = require("tapable");
+const asyncLib = require("neo-async");
+const MultiWatching = require("./MultiWatching");
+const MultiStats = require("./MultiStats");
+const ConcurrentCompilationError = require("./ConcurrentCompilationError");
+
+module.exports = class MultiCompiler extends Tapable {
+	constructor(compilers) {
+		super();
+		this.hooks = {
+			done: new SyncHook(["stats"]),
+			invalid: new MultiHook(compilers.map(c => c.hooks.invalid)),
+			run: new MultiHook(compilers.map(c => c.hooks.run)),
+			watchClose: new SyncHook([]),
+			watchRun: new MultiHook(compilers.map(c => c.hooks.watchRun)),
+			infrastructureLog: new MultiHook(
+				compilers.map(c => c.hooks.infrastructureLog)
+			)
+		};
+		if (!Array.isArray(compilers)) {
+			compilers = Object.keys(compilers).map(name => {
+				compilers[name].name = name;
+				return compilers[name];
+			});
+		}
+		this.compilers = compilers;
+		let doneCompilers = 0;
+		let compilerStats = [];
+		let index = 0;
+		for (const compiler of this.compilers) {
+			let compilerDone = false;
+			const compilerIndex = index++;
+			// eslint-disable-next-line no-loop-func
+			compiler.hooks.done.tap("MultiCompiler", stats => {
+				if (!compilerDone) {
+					compilerDone = true;
+					doneCompilers++;
+				}
+				compilerStats[compilerIndex] = stats;
+				if (doneCompilers === this.compilers.length) {
+					this.hooks.done.call(new MultiStats(compilerStats));
+				}
+			});
+			// eslint-disable-next-line no-loop-func
+			compiler.hooks.invalid.tap("MultiCompiler", () => {
+				if (compilerDone) {
+					compilerDone = false;
+					doneCompilers--;
+				}
+			});
+		}
+		this.running = false;
+	}
+
+	get outputPath() {
+		let commonPath = this.compilers[0].outputPath;
+		for (const compiler of this.compilers) {
+			while (
+				compiler.outputPath.indexOf(commonPath) !== 0 &&
+				/[/\\]/.test(commonPath)
+			) {
+				commonPath = commonPath.replace(/[/\\][^/\\]*$/, "");
+			}
+		}
+
+		if (!commonPath && this.compilers[0].outputPath[0] === "/") return "/";
+		return commonPath;
+	}
+
+	get inputFileSystem() {
+		throw new Error("Cannot read inputFileSystem of a MultiCompiler");
+	}
+
+	get outputFileSystem() {
+		throw new Error("Cannot read outputFileSystem of a MultiCompiler");
+	}
+
+	set inputFileSystem(value) {
+		for (const compiler of this.compilers) {
+			compiler.inputFileSystem = value;
+		}
+	}
+
+	set outputFileSystem(value) {
+		for (const compiler of this.compilers) {
+			compiler.outputFileSystem = value;
+		}
+	}
+
+	getInfrastructureLogger(name) {
+		return this.compilers[0].getInfrastructureLogger(name);
+	}
+
+	validateDependencies(callback) {
+		const edges = new Set();
+		const missing = [];
+		const targetFound = compiler => {
+			for (const edge of edges) {
+				if (edge.target === compiler) {
+					return true;
+				}
+			}
+			return false;
+		};
+		const sortEdges = (e1, e2) => {
+			return (
+				e1.source.name.localeCompare(e2.source.name) ||
+				e1.target.name.localeCompare(e2.target.name)
+			);
+		};
+		for (const source of this.compilers) {
+			if (source.dependencies) {
+				for (const dep of source.dependencies) {
+					const target = this.compilers.find(c => c.name === dep);
+					if (!target) {
+						missing.push(dep);
+					} else {
+						edges.add({
+							source,
+							target
+						});
+					}
+				}
+			}
+		}
+		const errors = missing.map(m => `Compiler dependency \`${m}\` not found.`);
+		const stack = this.compilers.filter(c => !targetFound(c));
+		while (stack.length > 0) {
+			const current = stack.pop();
+			for (const edge of edges) {
+				if (edge.source === current) {
+					edges.delete(edge);
+					const target = edge.target;
+					if (!targetFound(target)) {
+						stack.push(target);
+					}
+				}
+			}
+		}
+		if (edges.size > 0) {
+			const lines = Array.from(edges)
+				.sort(sortEdges)
+				.map(edge => `${edge.source.name} -> ${edge.target.name}`);
+			lines.unshift("Circular dependency found in compiler dependencies.");
+			errors.unshift(lines.join("\n"));
+		}
+		if (errors.length > 0) {
+			const message = errors.join("\n");
+			callback(new Error(message));
+			return false;
+		}
+		return true;
+	}
+
+	runWithDependencies(compilers, fn, callback) {
+		const fulfilledNames = new Set();
+		let remainingCompilers = compilers;
+		const isDependencyFulfilled = d => fulfilledNames.has(d);
+		const getReadyCompilers = () => {
+			let readyCompilers = [];
+			let list = remainingCompilers;
+			remainingCompilers = [];
+			for (const c of list) {
+				const ready =
+					!c.dependencies || c.dependencies.every(isDependencyFulfilled);
+				if (ready) {
+					readyCompilers.push(c);
+				} else {
+					remainingCompilers.push(c);
+				}
+			}
+			return readyCompilers;
+		};
+		const runCompilers = callback => {
+			if (remainingCompilers.length === 0) return callback();
+			asyncLib.map(
+				getReadyCompilers(),
+				(compiler, callback) => {
+					fn(compiler, err => {
+						if (err) return callback(err);
+						fulfilledNames.add(compiler.name);
+						runCompilers(callback);
+					});
+				},
+				callback
+			);
+		};
+		runCompilers(callback);
+	}
+
+	watch(watchOptions, handler) {
+		if (this.running) return handler(new ConcurrentCompilationError());
+
+		let watchings = [];
+		let allStats = this.compilers.map(() => null);
+		let compilerStatus = this.compilers.map(() => false);
+		if (this.validateDependencies(handler)) {
+			this.running = true;
+			this.runWithDependencies(
+				this.compilers,
+				(compiler, callback) => {
+					const compilerIdx = this.compilers.indexOf(compiler);
+					let firstRun = true;
+					let watching = compiler.watch(
+						Array.isArray(watchOptions)
+							? watchOptions[compilerIdx]
+							: watchOptions,
+						(err, stats) => {
+							if (err) handler(err);
+							if (stats) {
+								allStats[compilerIdx] = stats;
+								compilerStatus[compilerIdx] = "new";
+								if (compilerStatus.every(Boolean)) {
+									const freshStats = allStats.filter((s, idx) => {
+										return compilerStatus[idx] === "new";
+									});
+									compilerStatus.fill(true);
+									const multiStats = new MultiStats(freshStats);
+									handler(null, multiStats);
+								}
+							}
+							if (firstRun && !err) {
+								firstRun = false;
+								callback();
+							}
+						}
+					);
+					watchings.push(watching);
+				},
+				() => {
+					// ignore
+				}
+			);
+		}
+
+		return new MultiWatching(watchings, this);
+	}
+
+	run(callback) {
+		if (this.running) {
+			return callback(new ConcurrentCompilationError());
+		}
+
+		const finalCallback = (err, stats) => {
+			this.running = false;
+
+			if (callback !== undefined) {
+				return callback(err, stats);
+			}
+		};
+
+		const allStats = this.compilers.map(() => null);
+		if (this.validateDependencies(callback)) {
+			this.running = true;
+			this.runWithDependencies(
+				this.compilers,
+				(compiler, callback) => {
+					const compilerIdx = this.compilers.indexOf(compiler);
+					compiler.run((err, stats) => {
+						if (err) {
+							return callback(err);
+						}
+						allStats[compilerIdx] = stats;
+						callback();
+					});
+				},
+				err => {
+					if (err) {
+						return finalCallback(err);
+					}
+					finalCallback(null, new MultiStats(allStats));
+				}
+			);
+		}
+	}
+
+	purgeInputFileSystem() {
+		for (const compiler of this.compilers) {
+			if (compiler.inputFileSystem && compiler.inputFileSystem.purge) {
+				compiler.inputFileSystem.purge();
+			}
+		}
+	}
+};
diff --git a/node_modules/webpack/lib/MultiEntryPlugin.js b/node_modules/webpack/lib/MultiEntryPlugin.js
new file mode 100644
index 00000000..b38a8239
--- /dev/null
+++ b/node_modules/webpack/lib/MultiEntryPlugin.js
@@ -0,0 +1,80 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const MultiEntryDependency = require("./dependencies/MultiEntryDependency");
+const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
+const MultiModuleFactory = require("./MultiModuleFactory");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class MultiEntryPlugin {
+	/**
+	 * The MultiEntryPlugin is invoked whenever this.options.entry value is an array of paths
+	 * @param {string} context context path
+	 * @param {string[]} entries array of entry paths
+	 * @param {string} name entry key name
+	 */
+	constructor(context, entries, name) {
+		this.context = context;
+		this.entries = entries;
+		this.name = name;
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"MultiEntryPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const multiModuleFactory = new MultiModuleFactory();
+
+				compilation.dependencyFactories.set(
+					MultiEntryDependency,
+					multiModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					SingleEntryDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.make.tapAsync(
+			"MultiEntryPlugin",
+			(compilation, callback) => {
+				const { context, entries, name } = this;
+
+				const dep = MultiEntryPlugin.createDependency(entries, name);
+				compilation.addEntry(context, dep, name, callback);
+			}
+		);
+	}
+
+	/**
+	 * @param {string[]} entries each entry path string
+	 * @param {string} name name of the entry
+	 * @returns {MultiEntryDependency} returns a constructed Dependency
+	 */
+	static createDependency(entries, name) {
+		return new MultiEntryDependency(
+			entries.map((e, idx) => {
+				const dep = new SingleEntryDependency(e);
+				// Because entrypoints are not dependencies found in an
+				// existing module, we give it a synthetic id
+				dep.loc = {
+					name,
+					index: idx
+				};
+				return dep;
+			}),
+			name
+		);
+	}
+}
+
+module.exports = MultiEntryPlugin;
diff --git a/node_modules/webpack/lib/MultiModule.js b/node_modules/webpack/lib/MultiModule.js
new file mode 100644
index 00000000..c8e5d575
--- /dev/null
+++ b/node_modules/webpack/lib/MultiModule.js
@@ -0,0 +1,87 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Module = require("./Module");
+const Template = require("./Template");
+const { RawSource } = require("webpack-sources");
+
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+class MultiModule extends Module {
+	constructor(context, dependencies, name) {
+		super("javascript/dynamic", context);
+
+		// Info from Factory
+		this.dependencies = dependencies;
+		this.name = name;
+		this._identifier = `multi ${this.dependencies
+			.map(d => d.request)
+			.join(" ")}`;
+	}
+
+	identifier() {
+		return this._identifier;
+	}
+
+	readableIdentifier(requestShortener) {
+		return `multi ${this.dependencies
+			.map(d => requestShortener.shorten(d.request))
+			.join(" ")}`;
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = {};
+		this.buildInfo = {};
+		return callback();
+	}
+
+	needRebuild() {
+		return false;
+	}
+
+	size() {
+		return 16 + this.dependencies.length * 12;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update("multi module");
+		hash.update(this.name || "");
+		super.updateHash(hash);
+	}
+
+	source(dependencyTemplates, runtimeTemplate) {
+		const str = [];
+		let idx = 0;
+		for (const dep of this.dependencies) {
+			if (dep.module) {
+				if (idx === this.dependencies.length - 1) {
+					str.push("module.exports = ");
+				}
+				str.push("__webpack_require__(");
+				if (runtimeTemplate.outputOptions.pathinfo) {
+					str.push(Template.toComment(dep.request));
+				}
+				str.push(`${JSON.stringify(dep.module.id)}`);
+				str.push(")");
+			} else {
+				const content = require("./dependencies/WebpackMissingModule").module(
+					dep.request
+				);
+				str.push(content);
+			}
+			str.push(";\n");
+			idx++;
+		}
+		return new RawSource(str.join(""));
+	}
+}
+
+module.exports = MultiModule;
diff --git a/node_modules/webpack/lib/MultiModuleFactory.js b/node_modules/webpack/lib/MultiModuleFactory.js
new file mode 100644
index 00000000..5d29b205
--- /dev/null
+++ b/node_modules/webpack/lib/MultiModuleFactory.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { Tapable } = require("tapable");
+const MultiModule = require("./MultiModule");
+
+module.exports = class MultiModuleFactory extends Tapable {
+	constructor() {
+		super();
+		this.hooks = {};
+	}
+
+	create(data, callback) {
+		const dependency = data.dependencies[0];
+		callback(
+			null,
+			new MultiModule(data.context, dependency.dependencies, dependency.name)
+		);
+	}
+};
diff --git a/node_modules/webpack/lib/MultiStats.js b/node_modules/webpack/lib/MultiStats.js
new file mode 100644
index 00000000..1a5fcf2b
--- /dev/null
+++ b/node_modules/webpack/lib/MultiStats.js
@@ -0,0 +1,92 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Stats = require("./Stats");
+
+const optionOrFallback = (optionValue, fallbackValue) =>
+	optionValue !== undefined ? optionValue : fallbackValue;
+
+class MultiStats {
+	constructor(stats) {
+		this.stats = stats;
+		this.hash = stats.map(stat => stat.hash).join("");
+	}
+
+	hasErrors() {
+		return this.stats
+			.map(stat => stat.hasErrors())
+			.reduce((a, b) => a || b, false);
+	}
+
+	hasWarnings() {
+		return this.stats
+			.map(stat => stat.hasWarnings())
+			.reduce((a, b) => a || b, false);
+	}
+
+	toJson(options, forToString) {
+		if (typeof options === "boolean" || typeof options === "string") {
+			options = Stats.presetToOptions(options);
+		} else if (!options) {
+			options = {};
+		}
+		const jsons = this.stats.map((stat, idx) => {
+			const childOptions = Stats.getChildOptions(options, idx);
+			const obj = stat.toJson(childOptions, forToString);
+			obj.name = stat.compilation && stat.compilation.name;
+			return obj;
+		});
+		const showVersion =
+			options.version === undefined
+				? jsons.every(j => j.version)
+				: options.version !== false;
+		const showHash =
+			options.hash === undefined
+				? jsons.every(j => j.hash)
+				: options.hash !== false;
+		if (showVersion) {
+			for (const j of jsons) {
+				delete j.version;
+			}
+		}
+		const obj = {
+			errors: jsons.reduce((arr, j) => {
+				return arr.concat(
+					j.errors.map(msg => {
+						return `(${j.name}) ${msg}`;
+					})
+				);
+			}, []),
+			warnings: jsons.reduce((arr, j) => {
+				return arr.concat(
+					j.warnings.map(msg => {
+						return `(${j.name}) ${msg}`;
+					})
+				);
+			}, [])
+		};
+		if (showVersion) obj.version = require("../package.json").version;
+		if (showHash) obj.hash = this.hash;
+		if (options.children !== false) obj.children = jsons;
+		return obj;
+	}
+
+	toString(options) {
+		if (typeof options === "boolean" || typeof options === "string") {
+			options = Stats.presetToOptions(options);
+		} else if (!options) {
+			options = {};
+		}
+
+		const useColors = optionOrFallback(options.colors, false);
+
+		const obj = this.toJson(options, true);
+
+		return Stats.jsonToString(obj, useColors);
+	}
+}
+
+module.exports = MultiStats;
diff --git a/node_modules/webpack/lib/MultiWatching.js b/node_modules/webpack/lib/MultiWatching.js
new file mode 100644
index 00000000..c16d3afd
--- /dev/null
+++ b/node_modules/webpack/lib/MultiWatching.js
@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const asyncLib = require("neo-async");
+
+class MultiWatching {
+	constructor(watchings, compiler) {
+		this.watchings = watchings;
+		this.compiler = compiler;
+	}
+
+	invalidate() {
+		for (const watching of this.watchings) {
+			watching.invalidate();
+		}
+	}
+
+	suspend() {
+		for (const watching of this.watchings) {
+			watching.suspend();
+		}
+	}
+
+	resume() {
+		for (const watching of this.watchings) {
+			watching.resume();
+		}
+	}
+
+	close(callback) {
+		asyncLib.forEach(
+			this.watchings,
+			(watching, finishedCallback) => {
+				watching.close(finishedCallback);
+			},
+			err => {
+				this.compiler.hooks.watchClose.call();
+				if (typeof callback === "function") {
+					this.compiler.running = false;
+					callback(err);
+				}
+			}
+		);
+	}
+}
+
+module.exports = MultiWatching;
diff --git a/node_modules/webpack/lib/NamedChunksPlugin.js b/node_modules/webpack/lib/NamedChunksPlugin.js
new file mode 100644
index 00000000..0cb5b6bf
--- /dev/null
+++ b/node_modules/webpack/lib/NamedChunksPlugin.js
@@ -0,0 +1,29 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class NamedChunksPlugin {
+	static defaultNameResolver(chunk) {
+		return chunk.name || null;
+	}
+
+	constructor(nameResolver) {
+		this.nameResolver = nameResolver || NamedChunksPlugin.defaultNameResolver;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap("NamedChunksPlugin", compilation => {
+			compilation.hooks.beforeChunkIds.tap("NamedChunksPlugin", chunks => {
+				for (const chunk of chunks) {
+					if (chunk.id === null) {
+						chunk.id = this.nameResolver(chunk);
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = NamedChunksPlugin;
diff --git a/node_modules/webpack/lib/NamedModulesPlugin.js b/node_modules/webpack/lib/NamedModulesPlugin.js
new file mode 100644
index 00000000..2d84aafe
--- /dev/null
+++ b/node_modules/webpack/lib/NamedModulesPlugin.js
@@ -0,0 +1,58 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const createHash = require("./util/createHash");
+const RequestShortener = require("./RequestShortener");
+
+const getHash = str => {
+	const hash = createHash("md4");
+	hash.update(str);
+	const digest = /** @type {string} */ (hash.digest("hex"));
+	return digest.substr(0, 4);
+};
+
+class NamedModulesPlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap("NamedModulesPlugin", compilation => {
+			compilation.hooks.beforeModuleIds.tap("NamedModulesPlugin", modules => {
+				const namedModules = new Map();
+				const context = this.options.context || compiler.options.context;
+
+				for (const module of modules) {
+					if (module.id === null && module.libIdent) {
+						module.id = module.libIdent({ context });
+					}
+
+					if (module.id !== null) {
+						const namedModule = namedModules.get(module.id);
+						if (namedModule !== undefined) {
+							namedModule.push(module);
+						} else {
+							namedModules.set(module.id, [module]);
+						}
+					}
+				}
+
+				for (const namedModule of namedModules.values()) {
+					if (namedModule.length > 1) {
+						for (const module of namedModule) {
+							const requestShortener = new RequestShortener(context);
+							module.id = `${module.id}?${getHash(
+								requestShortener.shorten(module.identifier())
+							)}`;
+						}
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = NamedModulesPlugin;
diff --git a/node_modules/webpack/lib/NoEmitOnErrorsPlugin.js b/node_modules/webpack/lib/NoEmitOnErrorsPlugin.js
new file mode 100644
index 00000000..2c37c497
--- /dev/null
+++ b/node_modules/webpack/lib/NoEmitOnErrorsPlugin.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class NoEmitOnErrorsPlugin {
+	apply(compiler) {
+		compiler.hooks.shouldEmit.tap("NoEmitOnErrorsPlugin", compilation => {
+			if (compilation.getStats().hasErrors()) return false;
+		});
+		compiler.hooks.compilation.tap("NoEmitOnErrorsPlugin", compilation => {
+			compilation.hooks.shouldRecord.tap("NoEmitOnErrorsPlugin", () => {
+				if (compilation.getStats().hasErrors()) return false;
+			});
+		});
+	}
+}
+
+module.exports = NoEmitOnErrorsPlugin;
diff --git a/node_modules/webpack/lib/NoModeWarning.js b/node_modules/webpack/lib/NoModeWarning.js
new file mode 100644
index 00000000..4bd3c3ff
--- /dev/null
+++ b/node_modules/webpack/lib/NoModeWarning.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class NoModeWarning extends WebpackError {
+	constructor(modules) {
+		super();
+
+		this.name = "NoModeWarning";
+		this.message =
+			"configuration\n" +
+			"The 'mode' option has not been set, webpack will fallback to 'production' for this value. " +
+			"Set 'mode' option to 'development' or 'production' to enable defaults for each environment.\n" +
+			"You can also set it to 'none' to disable any default behavior. " +
+			"Learn more: https://webpack.js.org/configuration/mode/";
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/NodeStuffPlugin.js b/node_modules/webpack/lib/NodeStuffPlugin.js
new file mode 100644
index 00000000..5b382680
--- /dev/null
+++ b/node_modules/webpack/lib/NodeStuffPlugin.js
@@ -0,0 +1,118 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const ParserHelpers = require("./ParserHelpers");
+const ConstDependency = require("./dependencies/ConstDependency");
+
+const NullFactory = require("./NullFactory");
+
+class NodeStuffPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap(
+			"NodeStuffPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.node === false) return;
+
+					let localOptions = options;
+					if (parserOptions.node) {
+						localOptions = Object.assign({}, localOptions, parserOptions.node);
+					}
+
+					const setConstant = (expressionName, value) => {
+						parser.hooks.expression
+							.for(expressionName)
+							.tap("NodeStuffPlugin", () => {
+								parser.state.current.addVariable(
+									expressionName,
+									JSON.stringify(value)
+								);
+								return true;
+							});
+					};
+
+					const setModuleConstant = (expressionName, fn) => {
+						parser.hooks.expression
+							.for(expressionName)
+							.tap("NodeStuffPlugin", () => {
+								parser.state.current.addVariable(
+									expressionName,
+									JSON.stringify(fn(parser.state.module))
+								);
+								return true;
+							});
+					};
+					const context = compiler.context;
+					if (localOptions.__filename) {
+						if (localOptions.__filename === "mock") {
+							setConstant("__filename", "/index.js");
+						} else {
+							setModuleConstant("__filename", module =>
+								path.relative(context, module.resource)
+							);
+						}
+						parser.hooks.evaluateIdentifier
+							.for("__filename")
+							.tap("NodeStuffPlugin", expr => {
+								if (!parser.state.module) return;
+								const resource = parser.state.module.resource;
+								const i = resource.indexOf("?");
+								return ParserHelpers.evaluateToString(
+									i < 0 ? resource : resource.substr(0, i)
+								)(expr);
+							});
+					}
+					if (localOptions.__dirname) {
+						if (localOptions.__dirname === "mock") {
+							setConstant("__dirname", "/");
+						} else {
+							setModuleConstant("__dirname", module =>
+								path.relative(context, module.context)
+							);
+						}
+						parser.hooks.evaluateIdentifier
+							.for("__dirname")
+							.tap("NodeStuffPlugin", expr => {
+								if (!parser.state.module) return;
+								return ParserHelpers.evaluateToString(
+									parser.state.module.context
+								)(expr);
+							});
+					}
+					parser.hooks.expression
+						.for("require.extensions")
+						.tap(
+							"NodeStuffPlugin",
+							ParserHelpers.expressionIsUnsupported(
+								parser,
+								"require.extensions is not supported by webpack. Use a loader instead."
+							)
+						);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("NodeStuffPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("NodeStuffPlugin", handler);
+			}
+		);
+	}
+}
+module.exports = NodeStuffPlugin;
diff --git a/node_modules/webpack/lib/NormalModule.js b/node_modules/webpack/lib/NormalModule.js
new file mode 100644
index 00000000..76aa1bd1
--- /dev/null
+++ b/node_modules/webpack/lib/NormalModule.js
@@ -0,0 +1,582 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const NativeModule = require("module");
+
+const {
+	CachedSource,
+	LineToLineMappedSource,
+	OriginalSource,
+	RawSource,
+	SourceMapSource
+} = require("webpack-sources");
+const { getContext, runLoaders } = require("loader-runner");
+
+const WebpackError = require("./WebpackError");
+const Module = require("./Module");
+const ModuleParseError = require("./ModuleParseError");
+const ModuleBuildError = require("./ModuleBuildError");
+const ModuleError = require("./ModuleError");
+const ModuleWarning = require("./ModuleWarning");
+const createHash = require("./util/createHash");
+const contextify = require("./util/identifier").contextify;
+
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+const asString = buf => {
+	if (Buffer.isBuffer(buf)) {
+		return buf.toString("utf-8");
+	}
+	return buf;
+};
+
+const asBuffer = str => {
+	if (!Buffer.isBuffer(str)) {
+		return Buffer.from(str, "utf-8");
+	}
+	return str;
+};
+
+class NonErrorEmittedError extends WebpackError {
+	constructor(error) {
+		super();
+
+		this.name = "NonErrorEmittedError";
+		this.message = "(Emitted value instead of an instance of Error) " + error;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+/**
+ * @typedef {Object} CachedSourceEntry
+ * @property {TODO} source the generated source
+ * @property {string} hash the hash value
+ */
+
+class NormalModule extends Module {
+	constructor({
+		type,
+		request,
+		userRequest,
+		rawRequest,
+		loaders,
+		resource,
+		matchResource,
+		parser,
+		generator,
+		resolveOptions
+	}) {
+		super(type, getContext(resource));
+
+		// Info from Factory
+		this.request = request;
+		this.userRequest = userRequest;
+		this.rawRequest = rawRequest;
+		this.binary = type.startsWith("webassembly");
+		this.parser = parser;
+		this.generator = generator;
+		this.resource = resource;
+		this.matchResource = matchResource;
+		this.loaders = loaders;
+		if (resolveOptions !== undefined) this.resolveOptions = resolveOptions;
+
+		// Info from Build
+		this.error = null;
+		this._source = null;
+		this._sourceSize = null;
+		this._buildHash = "";
+		this.buildTimestamp = undefined;
+		/** @private @type {Map<string, CachedSourceEntry>} */
+		this._cachedSources = new Map();
+
+		// Options for the NormalModule set by plugins
+		// TODO refactor this -> options object filled from Factory
+		this.useSourceMap = false;
+		this.lineToLine = false;
+
+		// Cache
+		this._lastSuccessfulBuildMeta = {};
+	}
+
+	identifier() {
+		return this.request;
+	}
+
+	readableIdentifier(requestShortener) {
+		return requestShortener.shorten(this.userRequest);
+	}
+
+	libIdent(options) {
+		return contextify(options.context, this.userRequest);
+	}
+
+	nameForCondition() {
+		const resource = this.matchResource || this.resource;
+		const idx = resource.indexOf("?");
+		if (idx >= 0) return resource.substr(0, idx);
+		return resource;
+	}
+
+	updateCacheModule(module) {
+		this.type = module.type;
+		this.request = module.request;
+		this.userRequest = module.userRequest;
+		this.rawRequest = module.rawRequest;
+		this.parser = module.parser;
+		this.generator = module.generator;
+		this.resource = module.resource;
+		this.matchResource = module.matchResource;
+		this.loaders = module.loaders;
+		this.resolveOptions = module.resolveOptions;
+	}
+
+	createSourceForAsset(name, content, sourceMap) {
+		if (!sourceMap) {
+			return new RawSource(content);
+		}
+
+		if (typeof sourceMap === "string") {
+			return new OriginalSource(content, sourceMap);
+		}
+
+		return new SourceMapSource(content, name, sourceMap);
+	}
+
+	createLoaderContext(resolver, options, compilation, fs) {
+		const requestShortener = compilation.runtimeTemplate.requestShortener;
+		const getCurrentLoaderName = () => {
+			const currentLoader = this.getCurrentLoader(loaderContext);
+			if (!currentLoader) return "(not in loader scope)";
+			return requestShortener.shorten(currentLoader.loader);
+		};
+		const loaderContext = {
+			version: 2,
+			emitWarning: warning => {
+				if (!(warning instanceof Error)) {
+					warning = new NonErrorEmittedError(warning);
+				}
+				this.warnings.push(
+					new ModuleWarning(this, warning, {
+						from: getCurrentLoaderName()
+					})
+				);
+			},
+			emitError: error => {
+				if (!(error instanceof Error)) {
+					error = new NonErrorEmittedError(error);
+				}
+				this.errors.push(
+					new ModuleError(this, error, {
+						from: getCurrentLoaderName()
+					})
+				);
+			},
+			getLogger: name => {
+				const currentLoader = this.getCurrentLoader(loaderContext);
+				return compilation.getLogger(() =>
+					[currentLoader && currentLoader.loader, name, this.identifier()]
+						.filter(Boolean)
+						.join("|")
+				);
+			},
+			// TODO remove in webpack 5
+			exec: (code, filename) => {
+				// @ts-ignore Argument of type 'this' is not assignable to parameter of type 'Module'.
+				const module = new NativeModule(filename, this);
+				// @ts-ignore _nodeModulePaths is deprecated and undocumented Node.js API
+				module.paths = NativeModule._nodeModulePaths(this.context);
+				module.filename = filename;
+				module._compile(code, filename);
+				return module.exports;
+			},
+			resolve(context, request, callback) {
+				resolver.resolve({}, context, request, {}, callback);
+			},
+			getResolve(options) {
+				const child = options ? resolver.withOptions(options) : resolver;
+				return (context, request, callback) => {
+					if (callback) {
+						child.resolve({}, context, request, {}, callback);
+					} else {
+						return new Promise((resolve, reject) => {
+							child.resolve({}, context, request, {}, (err, result) => {
+								if (err) reject(err);
+								else resolve(result);
+							});
+						});
+					}
+				};
+			},
+			emitFile: (name, content, sourceMap, assetInfo) => {
+				if (!this.buildInfo.assets) {
+					this.buildInfo.assets = Object.create(null);
+					this.buildInfo.assetsInfo = new Map();
+				}
+				this.buildInfo.assets[name] = this.createSourceForAsset(
+					name,
+					content,
+					sourceMap
+				);
+				this.buildInfo.assetsInfo.set(name, assetInfo);
+			},
+			rootContext: options.context,
+			webpack: true,
+			sourceMap: !!this.useSourceMap,
+			mode: options.mode || "production",
+			_module: this,
+			_compilation: compilation,
+			_compiler: compilation.compiler,
+			fs: fs
+		};
+
+		compilation.hooks.normalModuleLoader.call(loaderContext, this);
+		if (options.loader) {
+			Object.assign(loaderContext, options.loader);
+		}
+
+		return loaderContext;
+	}
+
+	getCurrentLoader(loaderContext, index = loaderContext.loaderIndex) {
+		if (
+			this.loaders &&
+			this.loaders.length &&
+			index < this.loaders.length &&
+			index >= 0 &&
+			this.loaders[index]
+		) {
+			return this.loaders[index];
+		}
+		return null;
+	}
+
+	createSource(source, resourceBuffer, sourceMap) {
+		// if there is no identifier return raw source
+		if (!this.identifier) {
+			return new RawSource(source);
+		}
+
+		// from here on we assume we have an identifier
+		const identifier = this.identifier();
+
+		if (this.lineToLine && resourceBuffer) {
+			return new LineToLineMappedSource(
+				source,
+				identifier,
+				asString(resourceBuffer)
+			);
+		}
+
+		if (this.useSourceMap && sourceMap) {
+			return new SourceMapSource(source, identifier, sourceMap);
+		}
+
+		if (Buffer.isBuffer(source)) {
+			// @ts-ignore
+			// TODO We need to fix @types/webpack-sources to allow RawSource to take a Buffer | string
+			return new RawSource(source);
+		}
+
+		return new OriginalSource(source, identifier);
+	}
+
+	doBuild(options, compilation, resolver, fs, callback) {
+		const loaderContext = this.createLoaderContext(
+			resolver,
+			options,
+			compilation,
+			fs
+		);
+
+		runLoaders(
+			{
+				resource: this.resource,
+				loaders: this.loaders,
+				context: loaderContext,
+				readResource: fs.readFile.bind(fs)
+			},
+			(err, result) => {
+				if (result) {
+					this.buildInfo.cacheable = result.cacheable;
+					this.buildInfo.fileDependencies = new Set(result.fileDependencies);
+					this.buildInfo.contextDependencies = new Set(
+						result.contextDependencies
+					);
+				}
+
+				if (err) {
+					if (!(err instanceof Error)) {
+						err = new NonErrorEmittedError(err);
+					}
+					const currentLoader = this.getCurrentLoader(loaderContext);
+					const error = new ModuleBuildError(this, err, {
+						from:
+							currentLoader &&
+							compilation.runtimeTemplate.requestShortener.shorten(
+								currentLoader.loader
+							)
+					});
+					return callback(error);
+				}
+
+				const resourceBuffer = result.resourceBuffer;
+				const source = result.result[0];
+				const sourceMap = result.result.length >= 1 ? result.result[1] : null;
+				const extraInfo = result.result.length >= 2 ? result.result[2] : null;
+
+				if (!Buffer.isBuffer(source) && typeof source !== "string") {
+					const currentLoader = this.getCurrentLoader(loaderContext, 0);
+					const err = new Error(
+						`Final loader (${
+							currentLoader
+								? compilation.runtimeTemplate.requestShortener.shorten(
+										currentLoader.loader
+								  )
+								: "unknown"
+						}) didn't return a Buffer or String`
+					);
+					const error = new ModuleBuildError(this, err);
+					return callback(error);
+				}
+
+				this._source = this.createSource(
+					this.binary ? asBuffer(source) : asString(source),
+					resourceBuffer,
+					sourceMap
+				);
+				this._sourceSize = null;
+				this._ast =
+					typeof extraInfo === "object" &&
+					extraInfo !== null &&
+					extraInfo.webpackAST !== undefined
+						? extraInfo.webpackAST
+						: null;
+				return callback();
+			}
+		);
+	}
+
+	markModuleAsErrored(error) {
+		// Restore build meta from successful build to keep importing state
+		this.buildMeta = Object.assign({}, this._lastSuccessfulBuildMeta);
+		this.error = error;
+		this.errors.push(this.error);
+		this._source = new RawSource(
+			"throw new Error(" + JSON.stringify(this.error.message) + ");"
+		);
+		this._sourceSize = null;
+		this._ast = null;
+	}
+
+	applyNoParseRule(rule, content) {
+		// must start with "rule" if rule is a string
+		if (typeof rule === "string") {
+			return content.indexOf(rule) === 0;
+		}
+
+		if (typeof rule === "function") {
+			return rule(content);
+		}
+		// we assume rule is a regexp
+		return rule.test(content);
+	}
+
+	// check if module should not be parsed
+	// returns "true" if the module should !not! be parsed
+	// returns "false" if the module !must! be parsed
+	shouldPreventParsing(noParseRule, request) {
+		// if no noParseRule exists, return false
+		// the module !must! be parsed.
+		if (!noParseRule) {
+			return false;
+		}
+
+		// we only have one rule to check
+		if (!Array.isArray(noParseRule)) {
+			// returns "true" if the module is !not! to be parsed
+			return this.applyNoParseRule(noParseRule, request);
+		}
+
+		for (let i = 0; i < noParseRule.length; i++) {
+			const rule = noParseRule[i];
+			// early exit on first truthy match
+			// this module is !not! to be parsed
+			if (this.applyNoParseRule(rule, request)) {
+				return true;
+			}
+		}
+		// no match found, so this module !should! be parsed
+		return false;
+	}
+
+	_initBuildHash(compilation) {
+		const hash = createHash(compilation.outputOptions.hashFunction);
+		if (this._source) {
+			hash.update("source");
+			this._source.updateHash(hash);
+		}
+		hash.update("meta");
+		hash.update(JSON.stringify(this.buildMeta));
+		this._buildHash = /** @type {string} */ (hash.digest("hex"));
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		this.buildTimestamp = Date.now();
+		this.built = true;
+		this._source = null;
+		this._sourceSize = null;
+		this._ast = null;
+		this._buildHash = "";
+		this.error = null;
+		this.errors.length = 0;
+		this.warnings.length = 0;
+		this.buildMeta = {};
+		this.buildInfo = {
+			cacheable: false,
+			fileDependencies: new Set(),
+			contextDependencies: new Set(),
+			assets: undefined,
+			assetsInfo: undefined
+		};
+
+		return this.doBuild(options, compilation, resolver, fs, err => {
+			this._cachedSources.clear();
+
+			// if we have an error mark module as failed and exit
+			if (err) {
+				this.markModuleAsErrored(err);
+				this._initBuildHash(compilation);
+				return callback();
+			}
+
+			// check if this module should !not! be parsed.
+			// if so, exit here;
+			const noParseRule = options.module && options.module.noParse;
+			if (this.shouldPreventParsing(noParseRule, this.request)) {
+				this._initBuildHash(compilation);
+				return callback();
+			}
+
+			const handleParseError = e => {
+				const source = this._source.source();
+				const loaders = this.loaders.map(item =>
+					contextify(options.context, item.loader)
+				);
+				const error = new ModuleParseError(this, source, e, loaders);
+				this.markModuleAsErrored(error);
+				this._initBuildHash(compilation);
+				return callback();
+			};
+
+			const handleParseResult = result => {
+				this._lastSuccessfulBuildMeta = this.buildMeta;
+				this._initBuildHash(compilation);
+				return callback();
+			};
+
+			try {
+				const result = this.parser.parse(
+					this._ast || this._source.source(),
+					{
+						current: this,
+						module: this,
+						compilation: compilation,
+						options: options
+					},
+					(err, result) => {
+						if (err) {
+							handleParseError(err);
+						} else {
+							handleParseResult(result);
+						}
+					}
+				);
+				if (result !== undefined) {
+					// parse is sync
+					handleParseResult(result);
+				}
+			} catch (e) {
+				handleParseError(e);
+			}
+		});
+	}
+
+	getHashDigest(dependencyTemplates) {
+		// TODO webpack 5 refactor
+		let dtHash = dependencyTemplates.get("hash");
+		return `${this.hash}-${dtHash}`;
+	}
+
+	source(dependencyTemplates, runtimeTemplate, type = "javascript") {
+		const hashDigest = this.getHashDigest(dependencyTemplates);
+		const cacheEntry = this._cachedSources.get(type);
+		if (cacheEntry !== undefined && cacheEntry.hash === hashDigest) {
+			// We can reuse the cached source
+			return cacheEntry.source;
+		}
+
+		const source = this.generator.generate(
+			this,
+			dependencyTemplates,
+			runtimeTemplate,
+			type
+		);
+
+		const cachedSource = new CachedSource(source);
+		this._cachedSources.set(type, {
+			source: cachedSource,
+			hash: hashDigest
+		});
+		return cachedSource;
+	}
+
+	originalSource() {
+		return this._source;
+	}
+
+	needRebuild(fileTimestamps, contextTimestamps) {
+		// always try to rebuild in case of an error
+		if (this.error) return true;
+
+		// always rebuild when module is not cacheable
+		if (!this.buildInfo.cacheable) return true;
+
+		// Check timestamps of all dependencies
+		// Missing timestamp -> need rebuild
+		// Timestamp bigger than buildTimestamp -> need rebuild
+		for (const file of this.buildInfo.fileDependencies) {
+			const timestamp = fileTimestamps.get(file);
+			if (!timestamp) return true;
+			if (timestamp >= this.buildTimestamp) return true;
+		}
+		for (const file of this.buildInfo.contextDependencies) {
+			const timestamp = contextTimestamps.get(file);
+			if (!timestamp) return true;
+			if (timestamp >= this.buildTimestamp) return true;
+		}
+		// elsewise -> no rebuild needed
+		return false;
+	}
+
+	size() {
+		if (this._sourceSize === null) {
+			this._sourceSize = this._source ? this._source.size() : -1;
+		}
+		return this._sourceSize;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		hash.update(this._buildHash);
+		super.updateHash(hash);
+	}
+}
+
+module.exports = NormalModule;
diff --git a/node_modules/webpack/lib/NormalModuleFactory.js b/node_modules/webpack/lib/NormalModuleFactory.js
new file mode 100644
index 00000000..e6a41094
--- /dev/null
+++ b/node_modules/webpack/lib/NormalModuleFactory.js
@@ -0,0 +1,528 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+"use strict";
+
+const path = require("path");
+const asyncLib = require("neo-async");
+const {
+	Tapable,
+	AsyncSeriesWaterfallHook,
+	SyncWaterfallHook,
+	SyncBailHook,
+	SyncHook,
+	HookMap
+} = require("tapable");
+const NormalModule = require("./NormalModule");
+const RawModule = require("./RawModule");
+const RuleSet = require("./RuleSet");
+const { cachedCleverMerge } = require("./util/cleverMerge");
+
+const EMPTY_RESOLVE_OPTIONS = {};
+
+const MATCH_RESOURCE_REGEX = /^([^!]+)!=!/;
+
+const loaderToIdent = data => {
+	if (!data.options) {
+		return data.loader;
+	}
+	if (typeof data.options === "string") {
+		return data.loader + "?" + data.options;
+	}
+	if (typeof data.options !== "object") {
+		throw new Error("loader options must be string or object");
+	}
+	if (data.ident) {
+		return data.loader + "??" + data.ident;
+	}
+	return data.loader + "?" + JSON.stringify(data.options);
+};
+
+const identToLoaderRequest = resultString => {
+	const idx = resultString.indexOf("?");
+	if (idx >= 0) {
+		const loader = resultString.substr(0, idx);
+		const options = resultString.substr(idx + 1);
+		return {
+			loader,
+			options
+		};
+	} else {
+		return {
+			loader: resultString,
+			options: undefined
+		};
+	}
+};
+
+const dependencyCache = new WeakMap();
+
+class NormalModuleFactory extends Tapable {
+	constructor(context, resolverFactory, options) {
+		super();
+		this.hooks = {
+			resolver: new SyncWaterfallHook(["resolver"]),
+			factory: new SyncWaterfallHook(["factory"]),
+			beforeResolve: new AsyncSeriesWaterfallHook(["data"]),
+			afterResolve: new AsyncSeriesWaterfallHook(["data"]),
+			createModule: new SyncBailHook(["data"]),
+			module: new SyncWaterfallHook(["module", "data"]),
+			createParser: new HookMap(() => new SyncBailHook(["parserOptions"])),
+			parser: new HookMap(() => new SyncHook(["parser", "parserOptions"])),
+			createGenerator: new HookMap(
+				() => new SyncBailHook(["generatorOptions"])
+			),
+			generator: new HookMap(
+				() => new SyncHook(["generator", "generatorOptions"])
+			)
+		};
+		this._pluginCompat.tap("NormalModuleFactory", options => {
+			switch (options.name) {
+				case "before-resolve":
+				case "after-resolve":
+					options.async = true;
+					break;
+				case "parser":
+					this.hooks.parser
+						.for("javascript/auto")
+						.tap(options.fn.name || "unnamed compat plugin", options.fn);
+					return true;
+			}
+			let match;
+			match = /^parser (.+)$/.exec(options.name);
+			if (match) {
+				this.hooks.parser
+					.for(match[1])
+					.tap(
+						options.fn.name || "unnamed compat plugin",
+						options.fn.bind(this)
+					);
+				return true;
+			}
+			match = /^create-parser (.+)$/.exec(options.name);
+			if (match) {
+				this.hooks.createParser
+					.for(match[1])
+					.tap(
+						options.fn.name || "unnamed compat plugin",
+						options.fn.bind(this)
+					);
+				return true;
+			}
+		});
+		this.resolverFactory = resolverFactory;
+		this.ruleSet = new RuleSet(options.defaultRules.concat(options.rules));
+		this.cachePredicate =
+			typeof options.unsafeCache === "function"
+				? options.unsafeCache
+				: Boolean.bind(null, options.unsafeCache);
+		this.context = context || "";
+		this.parserCache = Object.create(null);
+		this.generatorCache = Object.create(null);
+		this.hooks.factory.tap("NormalModuleFactory", () => (result, callback) => {
+			let resolver = this.hooks.resolver.call(null);
+
+			// Ignored
+			if (!resolver) return callback();
+
+			resolver(result, (err, data) => {
+				if (err) return callback(err);
+
+				// Ignored
+				if (!data) return callback();
+
+				// direct module
+				if (typeof data.source === "function") return callback(null, data);
+
+				this.hooks.afterResolve.callAsync(data, (err, result) => {
+					if (err) return callback(err);
+
+					// Ignored
+					if (!result) return callback();
+
+					let createdModule = this.hooks.createModule.call(result);
+					if (!createdModule) {
+						if (!result.request) {
+							return callback(new Error("Empty dependency (no request)"));
+						}
+
+						createdModule = new NormalModule(result);
+					}
+
+					createdModule = this.hooks.module.call(createdModule, result);
+
+					return callback(null, createdModule);
+				});
+			});
+		});
+		this.hooks.resolver.tap("NormalModuleFactory", () => (data, callback) => {
+			const contextInfo = data.contextInfo;
+			const context = data.context;
+			const request = data.request;
+
+			const loaderResolver = this.getResolver("loader");
+			const normalResolver = this.getResolver("normal", data.resolveOptions);
+
+			let matchResource = undefined;
+			let requestWithoutMatchResource = request;
+			const matchResourceMatch = MATCH_RESOURCE_REGEX.exec(request);
+			if (matchResourceMatch) {
+				matchResource = matchResourceMatch[1];
+				if (/^\.\.?\//.test(matchResource)) {
+					matchResource = path.join(context, matchResource);
+				}
+				requestWithoutMatchResource = request.substr(
+					matchResourceMatch[0].length
+				);
+			}
+
+			const noPreAutoLoaders = requestWithoutMatchResource.startsWith("-!");
+			const noAutoLoaders =
+				noPreAutoLoaders || requestWithoutMatchResource.startsWith("!");
+			const noPrePostAutoLoaders = requestWithoutMatchResource.startsWith("!!");
+			let elements = requestWithoutMatchResource
+				.replace(/^-?!+/, "")
+				.replace(/!!+/g, "!")
+				.split("!");
+			let resource = elements.pop();
+			elements = elements.map(identToLoaderRequest);
+
+			asyncLib.parallel(
+				[
+					callback =>
+						this.resolveRequestArray(
+							contextInfo,
+							context,
+							elements,
+							loaderResolver,
+							callback
+						),
+					callback => {
+						if (resource === "" || resource[0] === "?") {
+							return callback(null, {
+								resource
+							});
+						}
+
+						normalResolver.resolve(
+							contextInfo,
+							context,
+							resource,
+							{},
+							(err, resource, resourceResolveData) => {
+								if (err) return callback(err);
+								callback(null, {
+									resourceResolveData,
+									resource
+								});
+							}
+						);
+					}
+				],
+				(err, results) => {
+					if (err) return callback(err);
+					let loaders = results[0];
+					const resourceResolveData = results[1].resourceResolveData;
+					resource = results[1].resource;
+
+					// translate option idents
+					try {
+						for (const item of loaders) {
+							if (typeof item.options === "string" && item.options[0] === "?") {
+								const ident = item.options.substr(1);
+								item.options = this.ruleSet.findOptionsByIdent(ident);
+								item.ident = ident;
+							}
+						}
+					} catch (e) {
+						return callback(e);
+					}
+
+					if (resource === false) {
+						// ignored
+						return callback(
+							null,
+							new RawModule(
+								"/* (ignored) */",
+								`ignored ${context} ${request}`,
+								`${request} (ignored)`
+							)
+						);
+					}
+
+					const userRequest =
+						(matchResource !== undefined ? `${matchResource}!=!` : "") +
+						loaders
+							.map(loaderToIdent)
+							.concat([resource])
+							.join("!");
+
+					let resourcePath =
+						matchResource !== undefined ? matchResource : resource;
+					let resourceQuery = "";
+					const queryIndex = resourcePath.indexOf("?");
+					if (queryIndex >= 0) {
+						resourceQuery = resourcePath.substr(queryIndex);
+						resourcePath = resourcePath.substr(0, queryIndex);
+					}
+
+					const result = this.ruleSet.exec({
+						resource: resourcePath,
+						realResource:
+							matchResource !== undefined
+								? resource.replace(/\?.*/, "")
+								: resourcePath,
+						resourceQuery,
+						issuer: contextInfo.issuer,
+						compiler: contextInfo.compiler
+					});
+					const settings = {};
+					const useLoadersPost = [];
+					const useLoaders = [];
+					const useLoadersPre = [];
+					for (const r of result) {
+						if (r.type === "use") {
+							if (r.enforce === "post" && !noPrePostAutoLoaders) {
+								useLoadersPost.push(r.value);
+							} else if (
+								r.enforce === "pre" &&
+								!noPreAutoLoaders &&
+								!noPrePostAutoLoaders
+							) {
+								useLoadersPre.push(r.value);
+							} else if (
+								!r.enforce &&
+								!noAutoLoaders &&
+								!noPrePostAutoLoaders
+							) {
+								useLoaders.push(r.value);
+							}
+						} else if (
+							typeof r.value === "object" &&
+							r.value !== null &&
+							typeof settings[r.type] === "object" &&
+							settings[r.type] !== null
+						) {
+							settings[r.type] = cachedCleverMerge(settings[r.type], r.value);
+						} else {
+							settings[r.type] = r.value;
+						}
+					}
+					asyncLib.parallel(
+						[
+							this.resolveRequestArray.bind(
+								this,
+								contextInfo,
+								this.context,
+								useLoadersPost,
+								loaderResolver
+							),
+							this.resolveRequestArray.bind(
+								this,
+								contextInfo,
+								this.context,
+								useLoaders,
+								loaderResolver
+							),
+							this.resolveRequestArray.bind(
+								this,
+								contextInfo,
+								this.context,
+								useLoadersPre,
+								loaderResolver
+							)
+						],
+						(err, results) => {
+							if (err) return callback(err);
+							if (matchResource === undefined) {
+								loaders = results[0].concat(loaders, results[1], results[2]);
+							} else {
+								loaders = results[0].concat(results[1], loaders, results[2]);
+							}
+							process.nextTick(() => {
+								const type = settings.type;
+								const resolveOptions = settings.resolve;
+								callback(null, {
+									context: context,
+									request: loaders
+										.map(loaderToIdent)
+										.concat([resource])
+										.join("!"),
+									dependencies: data.dependencies,
+									userRequest,
+									rawRequest: request,
+									loaders,
+									resource,
+									matchResource,
+									resourceResolveData,
+									settings,
+									type,
+									parser: this.getParser(type, settings.parser),
+									generator: this.getGenerator(type, settings.generator),
+									resolveOptions
+								});
+							});
+						}
+					);
+				}
+			);
+		});
+	}
+
+	create(data, callback) {
+		const dependencies = data.dependencies;
+		const cacheEntry = dependencyCache.get(dependencies[0]);
+		if (cacheEntry) return callback(null, cacheEntry);
+		const context = data.context || this.context;
+		const resolveOptions = data.resolveOptions || EMPTY_RESOLVE_OPTIONS;
+		const request = dependencies[0].request;
+		const contextInfo = data.contextInfo || {};
+		this.hooks.beforeResolve.callAsync(
+			{
+				contextInfo,
+				resolveOptions,
+				context,
+				request,
+				dependencies
+			},
+			(err, result) => {
+				if (err) return callback(err);
+
+				// Ignored
+				if (!result) return callback();
+
+				const factory = this.hooks.factory.call(null);
+
+				// Ignored
+				if (!factory) return callback();
+
+				factory(result, (err, module) => {
+					if (err) return callback(err);
+
+					if (module && this.cachePredicate(module)) {
+						for (const d of dependencies) {
+							dependencyCache.set(d, module);
+						}
+					}
+
+					callback(null, module);
+				});
+			}
+		);
+	}
+
+	resolveRequestArray(contextInfo, context, array, resolver, callback) {
+		if (array.length === 0) return callback(null, []);
+		asyncLib.map(
+			array,
+			(item, callback) => {
+				resolver.resolve(
+					contextInfo,
+					context,
+					item.loader,
+					{},
+					(err, result) => {
+						if (
+							err &&
+							/^[^/]*$/.test(item.loader) &&
+							!/-loader$/.test(item.loader)
+						) {
+							return resolver.resolve(
+								contextInfo,
+								context,
+								item.loader + "-loader",
+								{},
+								err2 => {
+									if (!err2) {
+										err.message =
+											err.message +
+											"\n" +
+											"BREAKING CHANGE: It's no longer allowed to omit the '-loader' suffix when using loaders.\n" +
+											`                 You need to specify '${item.loader}-loader' instead of '${item.loader}',\n` +
+											"                 see https://webpack.js.org/migrate/3/#automatic-loader-module-name-extension-removed";
+									}
+									callback(err);
+								}
+							);
+						}
+						if (err) return callback(err);
+
+						const optionsOnly = item.options
+							? {
+									options: item.options
+							  }
+							: undefined;
+						return callback(
+							null,
+							Object.assign({}, item, identToLoaderRequest(result), optionsOnly)
+						);
+					}
+				);
+			},
+			callback
+		);
+	}
+
+	getParser(type, parserOptions) {
+		let ident = type;
+		if (parserOptions) {
+			if (parserOptions.ident) {
+				ident = `${type}|${parserOptions.ident}`;
+			} else {
+				ident = JSON.stringify([type, parserOptions]);
+			}
+		}
+		if (ident in this.parserCache) {
+			return this.parserCache[ident];
+		}
+		return (this.parserCache[ident] = this.createParser(type, parserOptions));
+	}
+
+	createParser(type, parserOptions = {}) {
+		const parser = this.hooks.createParser.for(type).call(parserOptions);
+		if (!parser) {
+			throw new Error(`No parser registered for ${type}`);
+		}
+		this.hooks.parser.for(type).call(parser, parserOptions);
+		return parser;
+	}
+
+	getGenerator(type, generatorOptions) {
+		let ident = type;
+		if (generatorOptions) {
+			if (generatorOptions.ident) {
+				ident = `${type}|${generatorOptions.ident}`;
+			} else {
+				ident = JSON.stringify([type, generatorOptions]);
+			}
+		}
+		if (ident in this.generatorCache) {
+			return this.generatorCache[ident];
+		}
+		return (this.generatorCache[ident] = this.createGenerator(
+			type,
+			generatorOptions
+		));
+	}
+
+	createGenerator(type, generatorOptions = {}) {
+		const generator = this.hooks.createGenerator
+			.for(type)
+			.call(generatorOptions);
+		if (!generator) {
+			throw new Error(`No generator registered for ${type}`);
+		}
+		this.hooks.generator.for(type).call(generator, generatorOptions);
+		return generator;
+	}
+
+	getResolver(type, resolveOptions) {
+		return this.resolverFactory.get(
+			type,
+			resolveOptions || EMPTY_RESOLVE_OPTIONS
+		);
+	}
+}
+
+module.exports = NormalModuleFactory;
diff --git a/node_modules/webpack/lib/NormalModuleReplacementPlugin.js b/node_modules/webpack/lib/NormalModuleReplacementPlugin.js
new file mode 100644
index 00000000..d4f23a58
--- /dev/null
+++ b/node_modules/webpack/lib/NormalModuleReplacementPlugin.js
@@ -0,0 +1,51 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+
+class NormalModuleReplacementPlugin {
+	constructor(resourceRegExp, newResource) {
+		this.resourceRegExp = resourceRegExp;
+		this.newResource = newResource;
+	}
+
+	apply(compiler) {
+		const resourceRegExp = this.resourceRegExp;
+		const newResource = this.newResource;
+		compiler.hooks.normalModuleFactory.tap(
+			"NormalModuleReplacementPlugin",
+			nmf => {
+				nmf.hooks.beforeResolve.tap("NormalModuleReplacementPlugin", result => {
+					if (!result) return;
+					if (resourceRegExp.test(result.request)) {
+						if (typeof newResource === "function") {
+							newResource(result);
+						} else {
+							result.request = newResource;
+						}
+					}
+					return result;
+				});
+				nmf.hooks.afterResolve.tap("NormalModuleReplacementPlugin", result => {
+					if (!result) return;
+					if (resourceRegExp.test(result.resource)) {
+						if (typeof newResource === "function") {
+							newResource(result);
+						} else {
+							result.resource = path.resolve(
+								path.dirname(result.resource),
+								newResource
+							);
+						}
+					}
+					return result;
+				});
+			}
+		);
+	}
+}
+
+module.exports = NormalModuleReplacementPlugin;
diff --git a/node_modules/webpack/lib/NullFactory.js b/node_modules/webpack/lib/NullFactory.js
new file mode 100644
index 00000000..90ede1fe
--- /dev/null
+++ b/node_modules/webpack/lib/NullFactory.js
@@ -0,0 +1,12 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class NullFactory {
+	create(data, callback) {
+		return callback();
+	}
+}
+module.exports = NullFactory;
diff --git a/node_modules/webpack/lib/OptionsApply.js b/node_modules/webpack/lib/OptionsApply.js
new file mode 100644
index 00000000..3b1ec316
--- /dev/null
+++ b/node_modules/webpack/lib/OptionsApply.js
@@ -0,0 +1,10 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class OptionsApply {
+	process(options, compiler) {}
+}
+module.exports = OptionsApply;
diff --git a/node_modules/webpack/lib/OptionsDefaulter.js b/node_modules/webpack/lib/OptionsDefaulter.js
new file mode 100644
index 00000000..90fc895c
--- /dev/null
+++ b/node_modules/webpack/lib/OptionsDefaulter.js
@@ -0,0 +1,141 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/**
+ * Gets the value at path of object
+ * @param {object} obj object to query
+ * @param {string} path query path
+ * @returns {any} - if {@param path} requests element from array, then `undefined` will be returned
+ */
+const getProperty = (obj, path) => {
+	let name = path.split(".");
+	for (let i = 0; i < name.length - 1; i++) {
+		obj = obj[name[i]];
+		if (typeof obj !== "object" || !obj || Array.isArray(obj)) return;
+	}
+	return obj[name.pop()];
+};
+
+/**
+ * Sets the value at path of object. Stops execution, if {@param path} requests element from array to be set
+ * @param {object} obj object to query
+ * @param {string} path query path
+ * @param {any} value value to be set
+ * @returns {void}
+ */
+const setProperty = (obj, path, value) => {
+	let name = path.split(".");
+	for (let i = 0; i < name.length - 1; i++) {
+		if (typeof obj[name[i]] !== "object" && obj[name[i]] !== undefined) return;
+		if (Array.isArray(obj[name[i]])) return;
+		if (!obj[name[i]]) obj[name[i]] = {};
+		obj = obj[name[i]];
+	}
+	obj[name.pop()] = value;
+};
+
+/**
+ * @typedef {'call' | 'make' | 'append'} ConfigType
+ */
+/**
+ * @typedef {(options: object) => any} MakeConfigHandler
+ */
+/**
+ * @typedef {(value: any, options: object) => any} CallConfigHandler
+ */
+/**
+ * @typedef {any[]} AppendConfigValues
+ */
+
+class OptionsDefaulter {
+	constructor() {
+		/**
+		 * Stores default options settings or functions for computing them
+		 */
+		this.defaults = {};
+		/**
+		 * Stores configuration for options
+		 * @type {{[key: string]: ConfigType}}
+		 */
+		this.config = {};
+	}
+
+	/**
+	 * Enhancing {@param options} with default values
+	 * @param {object} options provided options
+	 * @returns {object} - enhanced options
+	 * @throws {Error} - will throw error, if configuration value is other then `undefined` or {@link ConfigType}
+	 */
+	process(options) {
+		options = Object.assign({}, options);
+		for (let name in this.defaults) {
+			switch (this.config[name]) {
+				/**
+				 * If {@link ConfigType} doesn't specified and current value is `undefined`, then default value will be assigned
+				 */
+				case undefined:
+					if (getProperty(options, name) === undefined) {
+						setProperty(options, name, this.defaults[name]);
+					}
+					break;
+				/**
+				 * Assign result of {@link CallConfigHandler}
+				 */
+				case "call":
+					setProperty(
+						options,
+						name,
+						this.defaults[name].call(this, getProperty(options, name), options)
+					);
+					break;
+				/**
+				 * Assign result of {@link MakeConfigHandler}, if current value is `undefined`
+				 */
+				case "make":
+					if (getProperty(options, name) === undefined) {
+						setProperty(options, name, this.defaults[name].call(this, options));
+					}
+					break;
+				/**
+				 * Adding {@link AppendConfigValues} at the end of the current array
+				 */
+				case "append": {
+					let oldValue = getProperty(options, name);
+					if (!Array.isArray(oldValue)) {
+						oldValue = [];
+					}
+					oldValue.push(...this.defaults[name]);
+					setProperty(options, name, oldValue);
+					break;
+				}
+				default:
+					throw new Error(
+						"OptionsDefaulter cannot process " + this.config[name]
+					);
+			}
+		}
+		return options;
+	}
+
+	/**
+	 * Builds up default values
+	 * @param {string} name option path
+	 * @param {ConfigType | any} config if {@param def} is provided, then only {@link ConfigType} is allowed
+	 * @param {MakeConfigHandler | CallConfigHandler | AppendConfigValues} [def] defaults
+	 * @returns {void}
+	 */
+	set(name, config, def) {
+		if (def !== undefined) {
+			this.defaults[name] = def;
+			this.config[name] = config;
+		} else {
+			this.defaults[name] = config;
+			delete this.config[name];
+		}
+	}
+}
+
+module.exports = OptionsDefaulter;
diff --git a/node_modules/webpack/lib/Parser.js b/node_modules/webpack/lib/Parser.js
new file mode 100644
index 00000000..b4968452
--- /dev/null
+++ b/node_modules/webpack/lib/Parser.js
@@ -0,0 +1,2454 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+// Syntax: https://developer.mozilla.org/en/SpiderMonkey/Parser_API
+
+const acorn = require("acorn");
+const { Tapable, SyncBailHook, HookMap } = require("tapable");
+const util = require("util");
+const vm = require("vm");
+const BasicEvaluatedExpression = require("./BasicEvaluatedExpression");
+const StackedSetMap = require("./util/StackedSetMap");
+
+const acornParser = acorn.Parser;
+
+const joinRanges = (startRange, endRange) => {
+	if (!endRange) return startRange;
+	if (!startRange) return endRange;
+	return [startRange[0], endRange[1]];
+};
+
+const defaultParserOptions = {
+	ranges: true,
+	locations: true,
+	ecmaVersion: 11,
+	sourceType: "module",
+	onComment: null
+};
+
+// regexp to match at least one "magic comment"
+const webpackCommentRegExp = new RegExp(/(^|\W)webpack[A-Z]{1,}[A-Za-z]{1,}:/);
+
+const EMPTY_COMMENT_OPTIONS = {
+	options: null,
+	errors: null
+};
+
+class Parser extends Tapable {
+	constructor(options, sourceType = "auto") {
+		super();
+		this.hooks = {
+			evaluateTypeof: new HookMap(() => new SyncBailHook(["expression"])),
+			evaluate: new HookMap(() => new SyncBailHook(["expression"])),
+			evaluateIdentifier: new HookMap(() => new SyncBailHook(["expression"])),
+			evaluateDefinedIdentifier: new HookMap(
+				() => new SyncBailHook(["expression"])
+			),
+			evaluateCallExpressionMember: new HookMap(
+				() => new SyncBailHook(["expression", "param"])
+			),
+			statement: new SyncBailHook(["statement"]),
+			statementIf: new SyncBailHook(["statement"]),
+			label: new HookMap(() => new SyncBailHook(["statement"])),
+			import: new SyncBailHook(["statement", "source"]),
+			importSpecifier: new SyncBailHook([
+				"statement",
+				"source",
+				"exportName",
+				"identifierName"
+			]),
+			export: new SyncBailHook(["statement"]),
+			exportImport: new SyncBailHook(["statement", "source"]),
+			exportDeclaration: new SyncBailHook(["statement", "declaration"]),
+			exportExpression: new SyncBailHook(["statement", "declaration"]),
+			exportSpecifier: new SyncBailHook([
+				"statement",
+				"identifierName",
+				"exportName",
+				"index"
+			]),
+			exportImportSpecifier: new SyncBailHook([
+				"statement",
+				"source",
+				"identifierName",
+				"exportName",
+				"index"
+			]),
+			varDeclaration: new HookMap(() => new SyncBailHook(["declaration"])),
+			varDeclarationLet: new HookMap(() => new SyncBailHook(["declaration"])),
+			varDeclarationConst: new HookMap(() => new SyncBailHook(["declaration"])),
+			varDeclarationVar: new HookMap(() => new SyncBailHook(["declaration"])),
+			canRename: new HookMap(() => new SyncBailHook(["initExpression"])),
+			rename: new HookMap(() => new SyncBailHook(["initExpression"])),
+			assigned: new HookMap(() => new SyncBailHook(["expression"])),
+			assign: new HookMap(() => new SyncBailHook(["expression"])),
+			typeof: new HookMap(() => new SyncBailHook(["expression"])),
+			importCall: new SyncBailHook(["expression"]),
+			call: new HookMap(() => new SyncBailHook(["expression"])),
+			callAnyMember: new HookMap(() => new SyncBailHook(["expression"])),
+			new: new HookMap(() => new SyncBailHook(["expression"])),
+			expression: new HookMap(() => new SyncBailHook(["expression"])),
+			expressionAnyMember: new HookMap(() => new SyncBailHook(["expression"])),
+			expressionConditionalOperator: new SyncBailHook(["expression"]),
+			expressionLogicalOperator: new SyncBailHook(["expression"]),
+			program: new SyncBailHook(["ast", "comments"])
+		};
+		const HOOK_MAP_COMPAT_CONFIG = {
+			evaluateTypeof: /^evaluate typeof (.+)$/,
+			evaluateIdentifier: /^evaluate Identifier (.+)$/,
+			evaluateDefinedIdentifier: /^evaluate defined Identifier (.+)$/,
+			evaluateCallExpressionMember: /^evaluate CallExpression .(.+)$/,
+			evaluate: /^evaluate (.+)$/,
+			label: /^label (.+)$/,
+			varDeclarationLet: /^var-let (.+)$/,
+			varDeclarationConst: /^var-const (.+)$/,
+			varDeclarationVar: /^var-var (.+)$/,
+			varDeclaration: /^var (.+)$/,
+			canRename: /^can-rename (.+)$/,
+			rename: /^rename (.+)$/,
+			typeof: /^typeof (.+)$/,
+			assigned: /^assigned (.+)$/,
+			assign: /^assign (.+)$/,
+			callAnyMember: /^call (.+)\.\*$/,
+			call: /^call (.+)$/,
+			new: /^new (.+)$/,
+			expressionConditionalOperator: /^expression \?:$/,
+			expressionAnyMember: /^expression (.+)\.\*$/,
+			expression: /^expression (.+)$/
+		};
+		this._pluginCompat.tap("Parser", options => {
+			for (const name of Object.keys(HOOK_MAP_COMPAT_CONFIG)) {
+				const regexp = HOOK_MAP_COMPAT_CONFIG[name];
+				const match = regexp.exec(options.name);
+				if (match) {
+					if (match[1]) {
+						this.hooks[name].tap(
+							match[1],
+							options.fn.name || "unnamed compat plugin",
+							options.fn.bind(this)
+						);
+					} else {
+						this.hooks[name].tap(
+							options.fn.name || "unnamed compat plugin",
+							options.fn.bind(this)
+						);
+					}
+					return true;
+				}
+			}
+		});
+		this.options = options;
+		this.sourceType = sourceType;
+		this.scope = undefined;
+		this.state = undefined;
+		this.comments = undefined;
+		this.initializeEvaluating();
+	}
+
+	initializeEvaluating() {
+		this.hooks.evaluate.for("Literal").tap("Parser", expr => {
+			switch (typeof expr.value) {
+				case "number":
+					return new BasicEvaluatedExpression()
+						.setNumber(expr.value)
+						.setRange(expr.range);
+				case "string":
+					return new BasicEvaluatedExpression()
+						.setString(expr.value)
+						.setRange(expr.range);
+				case "boolean":
+					return new BasicEvaluatedExpression()
+						.setBoolean(expr.value)
+						.setRange(expr.range);
+			}
+			if (expr.value === null) {
+				return new BasicEvaluatedExpression().setNull().setRange(expr.range);
+			}
+			if (expr.value instanceof RegExp) {
+				return new BasicEvaluatedExpression()
+					.setRegExp(expr.value)
+					.setRange(expr.range);
+			}
+		});
+		this.hooks.evaluate.for("LogicalExpression").tap("Parser", expr => {
+			let left;
+			let leftAsBool;
+			let right;
+			if (expr.operator === "&&") {
+				left = this.evaluateExpression(expr.left);
+				leftAsBool = left && left.asBool();
+				if (leftAsBool === false) return left.setRange(expr.range);
+				if (leftAsBool !== true) return;
+				right = this.evaluateExpression(expr.right);
+				return right.setRange(expr.range);
+			} else if (expr.operator === "||") {
+				left = this.evaluateExpression(expr.left);
+				leftAsBool = left && left.asBool();
+				if (leftAsBool === true) return left.setRange(expr.range);
+				if (leftAsBool !== false) return;
+				right = this.evaluateExpression(expr.right);
+				return right.setRange(expr.range);
+			}
+		});
+		this.hooks.evaluate.for("BinaryExpression").tap("Parser", expr => {
+			let left;
+			let right;
+			let res;
+			if (expr.operator === "+") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				res = new BasicEvaluatedExpression();
+				if (left.isString()) {
+					if (right.isString()) {
+						res.setString(left.string + right.string);
+					} else if (right.isNumber()) {
+						res.setString(left.string + right.number);
+					} else if (
+						right.isWrapped() &&
+						right.prefix &&
+						right.prefix.isString()
+					) {
+						// "left" + ("prefix" + inner + "postfix")
+						// => ("leftprefix" + inner + "postfix")
+						res.setWrapped(
+							new BasicEvaluatedExpression()
+								.setString(left.string + right.prefix.string)
+								.setRange(joinRanges(left.range, right.prefix.range)),
+							right.postfix,
+							right.wrappedInnerExpressions
+						);
+					} else if (right.isWrapped()) {
+						// "left" + ([null] + inner + "postfix")
+						// => ("left" + inner + "postfix")
+						res.setWrapped(left, right.postfix, right.wrappedInnerExpressions);
+					} else {
+						// "left" + expr
+						// => ("left" + expr + "")
+						res.setWrapped(left, null, [right]);
+					}
+				} else if (left.isNumber()) {
+					if (right.isString()) {
+						res.setString(left.number + right.string);
+					} else if (right.isNumber()) {
+						res.setNumber(left.number + right.number);
+					} else {
+						return;
+					}
+				} else if (left.isWrapped()) {
+					if (left.postfix && left.postfix.isString() && right.isString()) {
+						// ("prefix" + inner + "postfix") + "right"
+						// => ("prefix" + inner + "postfixright")
+						res.setWrapped(
+							left.prefix,
+							new BasicEvaluatedExpression()
+								.setString(left.postfix.string + right.string)
+								.setRange(joinRanges(left.postfix.range, right.range)),
+							left.wrappedInnerExpressions
+						);
+					} else if (
+						left.postfix &&
+						left.postfix.isString() &&
+						right.isNumber()
+					) {
+						// ("prefix" + inner + "postfix") + 123
+						// => ("prefix" + inner + "postfix123")
+						res.setWrapped(
+							left.prefix,
+							new BasicEvaluatedExpression()
+								.setString(left.postfix.string + right.number)
+								.setRange(joinRanges(left.postfix.range, right.range)),
+							left.wrappedInnerExpressions
+						);
+					} else if (right.isString()) {
+						// ("prefix" + inner + [null]) + "right"
+						// => ("prefix" + inner + "right")
+						res.setWrapped(left.prefix, right, left.wrappedInnerExpressions);
+					} else if (right.isNumber()) {
+						// ("prefix" + inner + [null]) + 123
+						// => ("prefix" + inner + "123")
+						res.setWrapped(
+							left.prefix,
+							new BasicEvaluatedExpression()
+								.setString(right.number + "")
+								.setRange(right.range),
+							left.wrappedInnerExpressions
+						);
+					} else if (right.isWrapped()) {
+						// ("prefix1" + inner1 + "postfix1") + ("prefix2" + inner2 + "postfix2")
+						// ("prefix1" + inner1 + "postfix1" + "prefix2" + inner2 + "postfix2")
+						res.setWrapped(
+							left.prefix,
+							right.postfix,
+							left.wrappedInnerExpressions &&
+								right.wrappedInnerExpressions &&
+								left.wrappedInnerExpressions
+									.concat(left.postfix ? [left.postfix] : [])
+									.concat(right.prefix ? [right.prefix] : [])
+									.concat(right.wrappedInnerExpressions)
+						);
+					} else {
+						// ("prefix" + inner + postfix) + expr
+						// => ("prefix" + inner + postfix + expr + [null])
+						res.setWrapped(
+							left.prefix,
+							null,
+							left.wrappedInnerExpressions &&
+								left.wrappedInnerExpressions.concat(
+									left.postfix ? [left.postfix, right] : [right]
+								)
+						);
+					}
+				} else {
+					if (right.isString()) {
+						// left + "right"
+						// => ([null] + left + "right")
+						res.setWrapped(null, right, [left]);
+					} else if (right.isWrapped()) {
+						// left + (prefix + inner + "postfix")
+						// => ([null] + left + prefix + inner + "postfix")
+						res.setWrapped(
+							null,
+							right.postfix,
+							right.wrappedInnerExpressions &&
+								(right.prefix ? [left, right.prefix] : [left]).concat(
+									right.wrappedInnerExpressions
+								)
+						);
+					} else {
+						return;
+					}
+				}
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "-") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number - right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "*") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number * right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "/") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number / right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "**") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(Math.pow(left.number, right.number));
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "==" || expr.operator === "===") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				res = new BasicEvaluatedExpression();
+				res.setRange(expr.range);
+				if (left.isString() && right.isString()) {
+					return res.setBoolean(left.string === right.string);
+				} else if (left.isNumber() && right.isNumber()) {
+					return res.setBoolean(left.number === right.number);
+				} else if (left.isBoolean() && right.isBoolean()) {
+					return res.setBoolean(left.bool === right.bool);
+				}
+			} else if (expr.operator === "!=" || expr.operator === "!==") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				res = new BasicEvaluatedExpression();
+				res.setRange(expr.range);
+				if (left.isString() && right.isString()) {
+					return res.setBoolean(left.string !== right.string);
+				} else if (left.isNumber() && right.isNumber()) {
+					return res.setBoolean(left.number !== right.number);
+				} else if (left.isBoolean() && right.isBoolean()) {
+					return res.setBoolean(left.bool !== right.bool);
+				}
+			} else if (expr.operator === "&") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number & right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "|") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number | right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "^") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number ^ right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === ">>>") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number >>> right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === ">>") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number >> right.number);
+				res.setRange(expr.range);
+				return res;
+			} else if (expr.operator === "<<") {
+				left = this.evaluateExpression(expr.left);
+				right = this.evaluateExpression(expr.right);
+				if (!left || !right) return;
+				if (!left.isNumber() || !right.isNumber()) return;
+				res = new BasicEvaluatedExpression();
+				res.setNumber(left.number << right.number);
+				res.setRange(expr.range);
+				return res;
+			}
+		});
+		this.hooks.evaluate.for("UnaryExpression").tap("Parser", expr => {
+			if (expr.operator === "typeof") {
+				let res;
+				let name;
+				if (expr.argument.type === "Identifier") {
+					name =
+						this.scope.renames.get(expr.argument.name) || expr.argument.name;
+					if (!this.scope.definitions.has(name)) {
+						const hook = this.hooks.evaluateTypeof.get(name);
+						if (hook !== undefined) {
+							res = hook.call(expr);
+							if (res !== undefined) return res;
+						}
+					}
+				}
+				if (expr.argument.type === "MemberExpression") {
+					const exprName = this.getNameForExpression(expr.argument);
+					if (exprName && exprName.free) {
+						const hook = this.hooks.evaluateTypeof.get(exprName.name);
+						if (hook !== undefined) {
+							res = hook.call(expr);
+							if (res !== undefined) return res;
+						}
+					}
+				}
+				if (expr.argument.type === "FunctionExpression") {
+					return new BasicEvaluatedExpression()
+						.setString("function")
+						.setRange(expr.range);
+				}
+				const arg = this.evaluateExpression(expr.argument);
+				if (arg.isString() || arg.isWrapped()) {
+					return new BasicEvaluatedExpression()
+						.setString("string")
+						.setRange(expr.range);
+				}
+				if (arg.isNumber()) {
+					return new BasicEvaluatedExpression()
+						.setString("number")
+						.setRange(expr.range);
+				}
+				if (arg.isBoolean()) {
+					return new BasicEvaluatedExpression()
+						.setString("boolean")
+						.setRange(expr.range);
+				}
+				if (arg.isArray() || arg.isConstArray() || arg.isRegExp()) {
+					return new BasicEvaluatedExpression()
+						.setString("object")
+						.setRange(expr.range);
+				}
+			} else if (expr.operator === "!") {
+				const argument = this.evaluateExpression(expr.argument);
+				if (!argument) return;
+				if (argument.isBoolean()) {
+					return new BasicEvaluatedExpression()
+						.setBoolean(!argument.bool)
+						.setRange(expr.range);
+				}
+				if (argument.isTruthy()) {
+					return new BasicEvaluatedExpression()
+						.setBoolean(false)
+						.setRange(expr.range);
+				}
+				if (argument.isFalsy()) {
+					return new BasicEvaluatedExpression()
+						.setBoolean(true)
+						.setRange(expr.range);
+				}
+				if (argument.isString()) {
+					return new BasicEvaluatedExpression()
+						.setBoolean(!argument.string)
+						.setRange(expr.range);
+				}
+				if (argument.isNumber()) {
+					return new BasicEvaluatedExpression()
+						.setBoolean(!argument.number)
+						.setRange(expr.range);
+				}
+			} else if (expr.operator === "~") {
+				const argument = this.evaluateExpression(expr.argument);
+				if (!argument) return;
+				if (!argument.isNumber()) return;
+				const res = new BasicEvaluatedExpression();
+				res.setNumber(~argument.number);
+				res.setRange(expr.range);
+				return res;
+			}
+		});
+		this.hooks.evaluateTypeof.for("undefined").tap("Parser", expr => {
+			return new BasicEvaluatedExpression()
+				.setString("undefined")
+				.setRange(expr.range);
+		});
+		this.hooks.evaluate.for("Identifier").tap("Parser", expr => {
+			const name = this.scope.renames.get(expr.name) || expr.name;
+			if (!this.scope.definitions.has(expr.name)) {
+				const hook = this.hooks.evaluateIdentifier.get(name);
+				if (hook !== undefined) {
+					const result = hook.call(expr);
+					if (result) return result;
+				}
+				return new BasicEvaluatedExpression()
+					.setIdentifier(name)
+					.setRange(expr.range);
+			} else {
+				const hook = this.hooks.evaluateDefinedIdentifier.get(name);
+				if (hook !== undefined) {
+					return hook.call(expr);
+				}
+			}
+		});
+		this.hooks.evaluate.for("ThisExpression").tap("Parser", expr => {
+			const name = this.scope.renames.get("this");
+			if (name) {
+				const hook = this.hooks.evaluateIdentifier.get(name);
+				if (hook !== undefined) {
+					const result = hook.call(expr);
+					if (result) return result;
+				}
+				return new BasicEvaluatedExpression()
+					.setIdentifier(name)
+					.setRange(expr.range);
+			}
+		});
+		this.hooks.evaluate.for("MemberExpression").tap("Parser", expression => {
+			let exprName = this.getNameForExpression(expression);
+			if (exprName) {
+				if (exprName.free) {
+					const hook = this.hooks.evaluateIdentifier.get(exprName.name);
+					if (hook !== undefined) {
+						const result = hook.call(expression);
+						if (result) return result;
+					}
+					return new BasicEvaluatedExpression()
+						.setIdentifier(exprName.name)
+						.setRange(expression.range);
+				} else {
+					const hook = this.hooks.evaluateDefinedIdentifier.get(exprName.name);
+					if (hook !== undefined) {
+						return hook.call(expression);
+					}
+				}
+			}
+		});
+		this.hooks.evaluate.for("CallExpression").tap("Parser", expr => {
+			if (expr.callee.type !== "MemberExpression") return;
+			if (
+				expr.callee.property.type !==
+				(expr.callee.computed ? "Literal" : "Identifier")
+			)
+				return;
+			const param = this.evaluateExpression(expr.callee.object);
+			if (!param) return;
+			const property = expr.callee.property.name || expr.callee.property.value;
+			const hook = this.hooks.evaluateCallExpressionMember.get(property);
+			if (hook !== undefined) {
+				return hook.call(expr, param);
+			}
+		});
+		this.hooks.evaluateCallExpressionMember
+			.for("replace")
+			.tap("Parser", (expr, param) => {
+				if (!param.isString()) return;
+				if (expr.arguments.length !== 2) return;
+				let arg1 = this.evaluateExpression(expr.arguments[0]);
+				let arg2 = this.evaluateExpression(expr.arguments[1]);
+				if (!arg1.isString() && !arg1.isRegExp()) return;
+				arg1 = arg1.regExp || arg1.string;
+				if (!arg2.isString()) return;
+				arg2 = arg2.string;
+				return new BasicEvaluatedExpression()
+					.setString(param.string.replace(arg1, arg2))
+					.setRange(expr.range);
+			});
+		["substr", "substring"].forEach(fn => {
+			this.hooks.evaluateCallExpressionMember
+				.for(fn)
+				.tap("Parser", (expr, param) => {
+					if (!param.isString()) return;
+					let arg1;
+					let result,
+						str = param.string;
+					switch (expr.arguments.length) {
+						case 1:
+							arg1 = this.evaluateExpression(expr.arguments[0]);
+							if (!arg1.isNumber()) return;
+							result = str[fn](arg1.number);
+							break;
+						case 2: {
+							arg1 = this.evaluateExpression(expr.arguments[0]);
+							const arg2 = this.evaluateExpression(expr.arguments[1]);
+							if (!arg1.isNumber()) return;
+							if (!arg2.isNumber()) return;
+							result = str[fn](arg1.number, arg2.number);
+							break;
+						}
+						default:
+							return;
+					}
+					return new BasicEvaluatedExpression()
+						.setString(result)
+						.setRange(expr.range);
+				});
+		});
+
+		/**
+		 * @param {string} kind "cooked" | "raw"
+		 * @param {TODO} templateLiteralExpr TemplateLiteral expr
+		 * @returns {{quasis: BasicEvaluatedExpression[], parts: BasicEvaluatedExpression[]}} Simplified template
+		 */
+		const getSimplifiedTemplateResult = (kind, templateLiteralExpr) => {
+			const quasis = [];
+			const parts = [];
+
+			for (let i = 0; i < templateLiteralExpr.quasis.length; i++) {
+				const quasiExpr = templateLiteralExpr.quasis[i];
+				const quasi = quasiExpr.value[kind];
+
+				if (i > 0) {
+					const prevExpr = parts[parts.length - 1];
+					const expr = this.evaluateExpression(
+						templateLiteralExpr.expressions[i - 1]
+					);
+					const exprAsString = expr.asString();
+					if (typeof exprAsString === "string") {
+						// We can merge quasi + expr + quasi when expr
+						// is a const string
+
+						prevExpr.setString(prevExpr.string + exprAsString + quasi);
+						prevExpr.setRange([prevExpr.range[0], quasiExpr.range[1]]);
+						// We unset the expression as it doesn't match to a single expression
+						prevExpr.setExpression(undefined);
+						continue;
+					}
+					parts.push(expr);
+				}
+
+				const part = new BasicEvaluatedExpression()
+					.setString(quasi)
+					.setRange(quasiExpr.range)
+					.setExpression(quasiExpr);
+				quasis.push(part);
+				parts.push(part);
+			}
+			return {
+				quasis,
+				parts
+			};
+		};
+
+		this.hooks.evaluate.for("TemplateLiteral").tap("Parser", node => {
+			const { quasis, parts } = getSimplifiedTemplateResult("cooked", node);
+			if (parts.length === 1) {
+				return parts[0].setRange(node.range);
+			}
+			return new BasicEvaluatedExpression()
+				.setTemplateString(quasis, parts, "cooked")
+				.setRange(node.range);
+		});
+		this.hooks.evaluate.for("TaggedTemplateExpression").tap("Parser", node => {
+			if (this.evaluateExpression(node.tag).identifier !== "String.raw") return;
+			const { quasis, parts } = getSimplifiedTemplateResult("raw", node.quasi);
+			if (parts.length === 1) {
+				return parts[0].setRange(node.range);
+			}
+			return new BasicEvaluatedExpression()
+				.setTemplateString(quasis, parts, "raw")
+				.setRange(node.range);
+		});
+
+		this.hooks.evaluateCallExpressionMember
+			.for("concat")
+			.tap("Parser", (expr, param) => {
+				if (!param.isString() && !param.isWrapped()) return;
+
+				let stringSuffix = null;
+				let hasUnknownParams = false;
+				for (let i = expr.arguments.length - 1; i >= 0; i--) {
+					const argExpr = this.evaluateExpression(expr.arguments[i]);
+					if (!argExpr.isString() && !argExpr.isNumber()) {
+						hasUnknownParams = true;
+						break;
+					}
+
+					const value = argExpr.isString()
+						? argExpr.string
+						: "" + argExpr.number;
+
+					const newString = value + (stringSuffix ? stringSuffix.string : "");
+					const newRange = [
+						argExpr.range[0],
+						(stringSuffix || argExpr).range[1]
+					];
+					stringSuffix = new BasicEvaluatedExpression()
+						.setString(newString)
+						.setRange(newRange);
+				}
+
+				if (hasUnknownParams) {
+					const prefix = param.isString() ? param : param.prefix;
+					return new BasicEvaluatedExpression()
+						.setWrapped(prefix, stringSuffix)
+						.setRange(expr.range);
+				} else if (param.isWrapped()) {
+					const postfix = stringSuffix || param.postfix;
+					return new BasicEvaluatedExpression()
+						.setWrapped(param.prefix, postfix)
+						.setRange(expr.range);
+				} else {
+					const newString =
+						param.string + (stringSuffix ? stringSuffix.string : "");
+					return new BasicEvaluatedExpression()
+						.setString(newString)
+						.setRange(expr.range);
+				}
+			});
+		this.hooks.evaluateCallExpressionMember
+			.for("split")
+			.tap("Parser", (expr, param) => {
+				if (!param.isString()) return;
+				if (expr.arguments.length !== 1) return;
+				let result;
+				const arg = this.evaluateExpression(expr.arguments[0]);
+				if (arg.isString()) {
+					result = param.string.split(arg.string);
+				} else if (arg.isRegExp()) {
+					result = param.string.split(arg.regExp);
+				} else {
+					return;
+				}
+				return new BasicEvaluatedExpression()
+					.setArray(result)
+					.setRange(expr.range);
+			});
+		this.hooks.evaluate.for("ConditionalExpression").tap("Parser", expr => {
+			const condition = this.evaluateExpression(expr.test);
+			const conditionValue = condition.asBool();
+			let res;
+			if (conditionValue === undefined) {
+				const consequent = this.evaluateExpression(expr.consequent);
+				const alternate = this.evaluateExpression(expr.alternate);
+				if (!consequent || !alternate) return;
+				res = new BasicEvaluatedExpression();
+				if (consequent.isConditional()) {
+					res.setOptions(consequent.options);
+				} else {
+					res.setOptions([consequent]);
+				}
+				if (alternate.isConditional()) {
+					res.addOptions(alternate.options);
+				} else {
+					res.addOptions([alternate]);
+				}
+			} else {
+				res = this.evaluateExpression(
+					conditionValue ? expr.consequent : expr.alternate
+				);
+			}
+			res.setRange(expr.range);
+			return res;
+		});
+		this.hooks.evaluate.for("ArrayExpression").tap("Parser", expr => {
+			const items = expr.elements.map(element => {
+				return element !== null && this.evaluateExpression(element);
+			});
+			if (!items.every(Boolean)) return;
+			return new BasicEvaluatedExpression()
+				.setItems(items)
+				.setRange(expr.range);
+		});
+	}
+
+	getRenameIdentifier(expr) {
+		const result = this.evaluateExpression(expr);
+		if (result && result.isIdentifier()) {
+			return result.identifier;
+		}
+	}
+
+	walkClass(classy) {
+		if (classy.superClass) this.walkExpression(classy.superClass);
+		if (classy.body && classy.body.type === "ClassBody") {
+			const wasTopLevel = this.scope.topLevelScope;
+			this.scope.topLevelScope = false;
+			for (const methodDefinition of classy.body.body) {
+				if (methodDefinition.type === "MethodDefinition") {
+					this.walkMethodDefinition(methodDefinition);
+				}
+			}
+			this.scope.topLevelScope = wasTopLevel;
+		}
+	}
+
+	walkMethodDefinition(methodDefinition) {
+		if (methodDefinition.computed && methodDefinition.key) {
+			this.walkExpression(methodDefinition.key);
+		}
+		if (methodDefinition.value) {
+			this.walkExpression(methodDefinition.value);
+		}
+	}
+
+	// Prewalking iterates the scope for variable declarations
+	prewalkStatements(statements) {
+		for (let index = 0, len = statements.length; index < len; index++) {
+			const statement = statements[index];
+			this.prewalkStatement(statement);
+		}
+	}
+
+	// Block-Prewalking iterates the scope for block variable declarations
+	blockPrewalkStatements(statements) {
+		for (let index = 0, len = statements.length; index < len; index++) {
+			const statement = statements[index];
+			this.blockPrewalkStatement(statement);
+		}
+	}
+
+	// Walking iterates the statements and expressions and processes them
+	walkStatements(statements) {
+		for (let index = 0, len = statements.length; index < len; index++) {
+			const statement = statements[index];
+			this.walkStatement(statement);
+		}
+	}
+
+	prewalkStatement(statement) {
+		switch (statement.type) {
+			case "BlockStatement":
+				this.prewalkBlockStatement(statement);
+				break;
+			case "DoWhileStatement":
+				this.prewalkDoWhileStatement(statement);
+				break;
+			case "ExportAllDeclaration":
+				this.prewalkExportAllDeclaration(statement);
+				break;
+			case "ExportDefaultDeclaration":
+				this.prewalkExportDefaultDeclaration(statement);
+				break;
+			case "ExportNamedDeclaration":
+				this.prewalkExportNamedDeclaration(statement);
+				break;
+			case "ForInStatement":
+				this.prewalkForInStatement(statement);
+				break;
+			case "ForOfStatement":
+				this.prewalkForOfStatement(statement);
+				break;
+			case "ForStatement":
+				this.prewalkForStatement(statement);
+				break;
+			case "FunctionDeclaration":
+				this.prewalkFunctionDeclaration(statement);
+				break;
+			case "IfStatement":
+				this.prewalkIfStatement(statement);
+				break;
+			case "ImportDeclaration":
+				this.prewalkImportDeclaration(statement);
+				break;
+			case "LabeledStatement":
+				this.prewalkLabeledStatement(statement);
+				break;
+			case "SwitchStatement":
+				this.prewalkSwitchStatement(statement);
+				break;
+			case "TryStatement":
+				this.prewalkTryStatement(statement);
+				break;
+			case "VariableDeclaration":
+				this.prewalkVariableDeclaration(statement);
+				break;
+			case "WhileStatement":
+				this.prewalkWhileStatement(statement);
+				break;
+			case "WithStatement":
+				this.prewalkWithStatement(statement);
+				break;
+		}
+	}
+
+	blockPrewalkStatement(statement) {
+		switch (statement.type) {
+			case "VariableDeclaration":
+				this.blockPrewalkVariableDeclaration(statement);
+				break;
+			case "ExportDefaultDeclaration":
+				this.blockPrewalkExportDefaultDeclaration(statement);
+				break;
+			case "ExportNamedDeclaration":
+				this.blockPrewalkExportNamedDeclaration(statement);
+				break;
+			case "ClassDeclaration":
+				this.blockPrewalkClassDeclaration(statement);
+				break;
+		}
+	}
+
+	walkStatement(statement) {
+		if (this.hooks.statement.call(statement) !== undefined) return;
+		switch (statement.type) {
+			case "BlockStatement":
+				this.walkBlockStatement(statement);
+				break;
+			case "ClassDeclaration":
+				this.walkClassDeclaration(statement);
+				break;
+			case "DoWhileStatement":
+				this.walkDoWhileStatement(statement);
+				break;
+			case "ExportDefaultDeclaration":
+				this.walkExportDefaultDeclaration(statement);
+				break;
+			case "ExportNamedDeclaration":
+				this.walkExportNamedDeclaration(statement);
+				break;
+			case "ExpressionStatement":
+				this.walkExpressionStatement(statement);
+				break;
+			case "ForInStatement":
+				this.walkForInStatement(statement);
+				break;
+			case "ForOfStatement":
+				this.walkForOfStatement(statement);
+				break;
+			case "ForStatement":
+				this.walkForStatement(statement);
+				break;
+			case "FunctionDeclaration":
+				this.walkFunctionDeclaration(statement);
+				break;
+			case "IfStatement":
+				this.walkIfStatement(statement);
+				break;
+			case "LabeledStatement":
+				this.walkLabeledStatement(statement);
+				break;
+			case "ReturnStatement":
+				this.walkReturnStatement(statement);
+				break;
+			case "SwitchStatement":
+				this.walkSwitchStatement(statement);
+				break;
+			case "ThrowStatement":
+				this.walkThrowStatement(statement);
+				break;
+			case "TryStatement":
+				this.walkTryStatement(statement);
+				break;
+			case "VariableDeclaration":
+				this.walkVariableDeclaration(statement);
+				break;
+			case "WhileStatement":
+				this.walkWhileStatement(statement);
+				break;
+			case "WithStatement":
+				this.walkWithStatement(statement);
+				break;
+		}
+	}
+
+	// Real Statements
+	prewalkBlockStatement(statement) {
+		this.prewalkStatements(statement.body);
+	}
+
+	walkBlockStatement(statement) {
+		this.inBlockScope(() => {
+			const body = statement.body;
+			this.blockPrewalkStatements(body);
+			this.walkStatements(body);
+		});
+	}
+
+	walkExpressionStatement(statement) {
+		this.walkExpression(statement.expression);
+	}
+
+	prewalkIfStatement(statement) {
+		this.prewalkStatement(statement.consequent);
+		if (statement.alternate) {
+			this.prewalkStatement(statement.alternate);
+		}
+	}
+
+	walkIfStatement(statement) {
+		const result = this.hooks.statementIf.call(statement);
+		if (result === undefined) {
+			this.walkExpression(statement.test);
+			this.walkStatement(statement.consequent);
+			if (statement.alternate) {
+				this.walkStatement(statement.alternate);
+			}
+		} else {
+			if (result) {
+				this.walkStatement(statement.consequent);
+			} else if (statement.alternate) {
+				this.walkStatement(statement.alternate);
+			}
+		}
+	}
+
+	prewalkLabeledStatement(statement) {
+		this.prewalkStatement(statement.body);
+	}
+
+	walkLabeledStatement(statement) {
+		const hook = this.hooks.label.get(statement.label.name);
+		if (hook !== undefined) {
+			const result = hook.call(statement);
+			if (result === true) return;
+		}
+		this.walkStatement(statement.body);
+	}
+
+	prewalkWithStatement(statement) {
+		this.prewalkStatement(statement.body);
+	}
+
+	walkWithStatement(statement) {
+		this.walkExpression(statement.object);
+		this.walkStatement(statement.body);
+	}
+
+	prewalkSwitchStatement(statement) {
+		this.prewalkSwitchCases(statement.cases);
+	}
+
+	walkSwitchStatement(statement) {
+		this.walkExpression(statement.discriminant);
+		this.walkSwitchCases(statement.cases);
+	}
+
+	walkTerminatingStatement(statement) {
+		if (statement.argument) this.walkExpression(statement.argument);
+	}
+
+	walkReturnStatement(statement) {
+		this.walkTerminatingStatement(statement);
+	}
+
+	walkThrowStatement(statement) {
+		this.walkTerminatingStatement(statement);
+	}
+
+	prewalkTryStatement(statement) {
+		this.prewalkStatement(statement.block);
+	}
+
+	walkTryStatement(statement) {
+		if (this.scope.inTry) {
+			this.walkStatement(statement.block);
+		} else {
+			this.scope.inTry = true;
+			this.walkStatement(statement.block);
+			this.scope.inTry = false;
+		}
+		if (statement.handler) this.walkCatchClause(statement.handler);
+		if (statement.finalizer) this.walkStatement(statement.finalizer);
+	}
+
+	prewalkWhileStatement(statement) {
+		this.prewalkStatement(statement.body);
+	}
+
+	walkWhileStatement(statement) {
+		this.walkExpression(statement.test);
+		this.walkStatement(statement.body);
+	}
+
+	prewalkDoWhileStatement(statement) {
+		this.prewalkStatement(statement.body);
+	}
+
+	walkDoWhileStatement(statement) {
+		this.walkStatement(statement.body);
+		this.walkExpression(statement.test);
+	}
+
+	prewalkForStatement(statement) {
+		if (statement.init) {
+			if (statement.init.type === "VariableDeclaration") {
+				this.prewalkStatement(statement.init);
+			}
+		}
+		this.prewalkStatement(statement.body);
+	}
+
+	walkForStatement(statement) {
+		this.inBlockScope(() => {
+			if (statement.init) {
+				if (statement.init.type === "VariableDeclaration") {
+					this.blockPrewalkVariableDeclaration(statement.init);
+					this.walkStatement(statement.init);
+				} else {
+					this.walkExpression(statement.init);
+				}
+			}
+			if (statement.test) {
+				this.walkExpression(statement.test);
+			}
+			if (statement.update) {
+				this.walkExpression(statement.update);
+			}
+			const body = statement.body;
+			if (body.type === "BlockStatement") {
+				// no need to add additional scope
+				this.blockPrewalkStatements(body.body);
+				this.walkStatements(body.body);
+			} else {
+				this.walkStatement(body);
+			}
+		});
+	}
+
+	prewalkForInStatement(statement) {
+		if (statement.left.type === "VariableDeclaration") {
+			this.prewalkVariableDeclaration(statement.left);
+		}
+		this.prewalkStatement(statement.body);
+	}
+
+	walkForInStatement(statement) {
+		this.inBlockScope(() => {
+			if (statement.left.type === "VariableDeclaration") {
+				this.blockPrewalkVariableDeclaration(statement.left);
+				this.walkVariableDeclaration(statement.left);
+			} else {
+				this.walkPattern(statement.left);
+			}
+			this.walkExpression(statement.right);
+			const body = statement.body;
+			if (body.type === "BlockStatement") {
+				// no need to add additional scope
+				this.blockPrewalkStatements(body.body);
+				this.walkStatements(body.body);
+			} else {
+				this.walkStatement(body);
+			}
+		});
+	}
+
+	prewalkForOfStatement(statement) {
+		if (statement.left.type === "VariableDeclaration") {
+			this.prewalkVariableDeclaration(statement.left);
+		}
+		this.prewalkStatement(statement.body);
+	}
+
+	walkForOfStatement(statement) {
+		this.inBlockScope(() => {
+			if (statement.left.type === "VariableDeclaration") {
+				this.blockPrewalkVariableDeclaration(statement.left);
+				this.walkVariableDeclaration(statement.left);
+			} else {
+				this.walkPattern(statement.left);
+			}
+			this.walkExpression(statement.right);
+			const body = statement.body;
+			if (body.type === "BlockStatement") {
+				// no need to add additional scope
+				this.blockPrewalkStatements(body.body);
+				this.walkStatements(body.body);
+			} else {
+				this.walkStatement(body);
+			}
+		});
+	}
+
+	// Declarations
+	prewalkFunctionDeclaration(statement) {
+		if (statement.id) {
+			this.scope.renames.set(statement.id.name, null);
+			this.scope.definitions.add(statement.id.name);
+		}
+	}
+
+	walkFunctionDeclaration(statement) {
+		const wasTopLevel = this.scope.topLevelScope;
+		this.scope.topLevelScope = false;
+		this.inFunctionScope(true, statement.params, () => {
+			for (const param of statement.params) {
+				this.walkPattern(param);
+			}
+			if (statement.body.type === "BlockStatement") {
+				this.detectMode(statement.body.body);
+				this.prewalkStatement(statement.body);
+				this.walkStatement(statement.body);
+			} else {
+				this.walkExpression(statement.body);
+			}
+		});
+		this.scope.topLevelScope = wasTopLevel;
+	}
+
+	prewalkImportDeclaration(statement) {
+		const source = statement.source.value;
+		this.hooks.import.call(statement, source);
+		for (const specifier of statement.specifiers) {
+			const name = specifier.local.name;
+			this.scope.renames.set(name, null);
+			this.scope.definitions.add(name);
+			switch (specifier.type) {
+				case "ImportDefaultSpecifier":
+					this.hooks.importSpecifier.call(statement, source, "default", name);
+					break;
+				case "ImportSpecifier":
+					this.hooks.importSpecifier.call(
+						statement,
+						source,
+						specifier.imported.name,
+						name
+					);
+					break;
+				case "ImportNamespaceSpecifier":
+					this.hooks.importSpecifier.call(statement, source, null, name);
+					break;
+			}
+		}
+	}
+
+	enterDeclaration(declaration, onIdent) {
+		switch (declaration.type) {
+			case "VariableDeclaration":
+				for (const declarator of declaration.declarations) {
+					switch (declarator.type) {
+						case "VariableDeclarator": {
+							this.enterPattern(declarator.id, onIdent);
+							break;
+						}
+					}
+				}
+				break;
+			case "FunctionDeclaration":
+				this.enterPattern(declaration.id, onIdent);
+				break;
+			case "ClassDeclaration":
+				this.enterPattern(declaration.id, onIdent);
+				break;
+		}
+	}
+
+	blockPrewalkExportNamedDeclaration(statement) {
+		if (statement.declaration) {
+			this.blockPrewalkStatement(statement.declaration);
+		}
+	}
+
+	prewalkExportNamedDeclaration(statement) {
+		let source;
+		if (statement.source) {
+			source = statement.source.value;
+			this.hooks.exportImport.call(statement, source);
+		} else {
+			this.hooks.export.call(statement);
+		}
+		if (statement.declaration) {
+			if (
+				!this.hooks.exportDeclaration.call(statement, statement.declaration)
+			) {
+				this.prewalkStatement(statement.declaration);
+				let index = 0;
+				this.enterDeclaration(statement.declaration, def => {
+					this.hooks.exportSpecifier.call(statement, def, def, index++);
+				});
+			}
+		}
+		if (statement.specifiers) {
+			for (
+				let specifierIndex = 0;
+				specifierIndex < statement.specifiers.length;
+				specifierIndex++
+			) {
+				const specifier = statement.specifiers[specifierIndex];
+				switch (specifier.type) {
+					case "ExportSpecifier": {
+						const name = specifier.exported.name;
+						if (source) {
+							this.hooks.exportImportSpecifier.call(
+								statement,
+								source,
+								specifier.local.name,
+								name,
+								specifierIndex
+							);
+						} else {
+							this.hooks.exportSpecifier.call(
+								statement,
+								specifier.local.name,
+								name,
+								specifierIndex
+							);
+						}
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	walkExportNamedDeclaration(statement) {
+		if (statement.declaration) {
+			this.walkStatement(statement.declaration);
+		}
+	}
+
+	blockPrewalkExportDefaultDeclaration(statement) {
+		if (statement.declaration.type === "ClassDeclaration") {
+			this.blockPrewalkClassDeclaration(statement.declaration);
+		}
+	}
+
+	prewalkExportDefaultDeclaration(statement) {
+		this.prewalkStatement(statement.declaration);
+		if (
+			statement.declaration.id &&
+			statement.declaration.type !== "FunctionExpression" &&
+			statement.declaration.type !== "ClassExpression"
+		) {
+			this.hooks.exportSpecifier.call(
+				statement,
+				statement.declaration.id.name,
+				"default"
+			);
+		}
+	}
+
+	walkExportDefaultDeclaration(statement) {
+		this.hooks.export.call(statement);
+		if (
+			statement.declaration.id &&
+			statement.declaration.type !== "FunctionExpression" &&
+			statement.declaration.type !== "ClassExpression"
+		) {
+			if (
+				!this.hooks.exportDeclaration.call(statement, statement.declaration)
+			) {
+				this.walkStatement(statement.declaration);
+			}
+		} else {
+			// Acorn parses `export default function() {}` as `FunctionDeclaration` and
+			// `export default class {}` as `ClassDeclaration`, both with `id = null`.
+			// These nodes must be treated as expressions.
+			if (statement.declaration.type === "FunctionDeclaration") {
+				this.walkFunctionDeclaration(statement.declaration);
+			} else if (statement.declaration.type === "ClassDeclaration") {
+				this.walkClassDeclaration(statement.declaration);
+			} else {
+				this.walkExpression(statement.declaration);
+			}
+			if (!this.hooks.exportExpression.call(statement, statement.declaration)) {
+				this.hooks.exportSpecifier.call(
+					statement,
+					statement.declaration,
+					"default"
+				);
+			}
+		}
+	}
+
+	prewalkExportAllDeclaration(statement) {
+		const source = statement.source.value;
+		this.hooks.exportImport.call(statement, source);
+		this.hooks.exportImportSpecifier.call(statement, source, null, null, 0);
+	}
+
+	prewalkVariableDeclaration(statement) {
+		if (statement.kind !== "var") return;
+		this._prewalkVariableDeclaration(statement, this.hooks.varDeclarationVar);
+	}
+
+	blockPrewalkVariableDeclaration(statement) {
+		if (statement.kind === "var") return;
+		const hookMap =
+			statement.kind === "const"
+				? this.hooks.varDeclarationConst
+				: this.hooks.varDeclarationLet;
+		this._prewalkVariableDeclaration(statement, hookMap);
+	}
+
+	_prewalkVariableDeclaration(statement, hookMap) {
+		for (const declarator of statement.declarations) {
+			switch (declarator.type) {
+				case "VariableDeclarator": {
+					this.enterPattern(declarator.id, (name, decl) => {
+						let hook = hookMap.get(name);
+						if (hook === undefined || !hook.call(decl)) {
+							hook = this.hooks.varDeclaration.get(name);
+							if (hook === undefined || !hook.call(decl)) {
+								this.scope.renames.set(name, null);
+								this.scope.definitions.add(name);
+							}
+						}
+					});
+					break;
+				}
+			}
+		}
+	}
+
+	walkVariableDeclaration(statement) {
+		for (const declarator of statement.declarations) {
+			switch (declarator.type) {
+				case "VariableDeclarator": {
+					const renameIdentifier =
+						declarator.init && this.getRenameIdentifier(declarator.init);
+					if (renameIdentifier && declarator.id.type === "Identifier") {
+						const hook = this.hooks.canRename.get(renameIdentifier);
+						if (hook !== undefined && hook.call(declarator.init)) {
+							// renaming with "var a = b;"
+							const hook = this.hooks.rename.get(renameIdentifier);
+							if (hook === undefined || !hook.call(declarator.init)) {
+								this.scope.renames.set(
+									declarator.id.name,
+									this.scope.renames.get(renameIdentifier) || renameIdentifier
+								);
+								this.scope.definitions.delete(declarator.id.name);
+							}
+							break;
+						}
+					}
+					this.walkPattern(declarator.id);
+					if (declarator.init) this.walkExpression(declarator.init);
+					break;
+				}
+			}
+		}
+	}
+
+	blockPrewalkClassDeclaration(statement) {
+		if (statement.id) {
+			this.scope.renames.set(statement.id.name, null);
+			this.scope.definitions.add(statement.id.name);
+		}
+	}
+
+	walkClassDeclaration(statement) {
+		this.walkClass(statement);
+	}
+
+	prewalkSwitchCases(switchCases) {
+		for (let index = 0, len = switchCases.length; index < len; index++) {
+			const switchCase = switchCases[index];
+			this.prewalkStatements(switchCase.consequent);
+		}
+	}
+
+	walkSwitchCases(switchCases) {
+		for (let index = 0, len = switchCases.length; index < len; index++) {
+			const switchCase = switchCases[index];
+
+			if (switchCase.test) {
+				this.walkExpression(switchCase.test);
+			}
+			this.walkStatements(switchCase.consequent);
+		}
+	}
+
+	walkCatchClause(catchClause) {
+		this.inBlockScope(() => {
+			// Error binding is optional in catch clause since ECMAScript 2019
+			if (catchClause.param !== null) {
+				this.enterPattern(catchClause.param, ident => {
+					this.scope.renames.set(ident, null);
+					this.scope.definitions.add(ident);
+				});
+				this.walkPattern(catchClause.param);
+			}
+			this.prewalkStatement(catchClause.body);
+			this.walkStatement(catchClause.body);
+		});
+	}
+
+	walkPattern(pattern) {
+		switch (pattern.type) {
+			case "ArrayPattern":
+				this.walkArrayPattern(pattern);
+				break;
+			case "AssignmentPattern":
+				this.walkAssignmentPattern(pattern);
+				break;
+			case "MemberExpression":
+				this.walkMemberExpression(pattern);
+				break;
+			case "ObjectPattern":
+				this.walkObjectPattern(pattern);
+				break;
+			case "RestElement":
+				this.walkRestElement(pattern);
+				break;
+		}
+	}
+
+	walkAssignmentPattern(pattern) {
+		this.walkExpression(pattern.right);
+		this.walkPattern(pattern.left);
+	}
+
+	walkObjectPattern(pattern) {
+		for (let i = 0, len = pattern.properties.length; i < len; i++) {
+			const prop = pattern.properties[i];
+			if (prop) {
+				if (prop.computed) this.walkExpression(prop.key);
+				if (prop.value) this.walkPattern(prop.value);
+			}
+		}
+	}
+
+	walkArrayPattern(pattern) {
+		for (let i = 0, len = pattern.elements.length; i < len; i++) {
+			const element = pattern.elements[i];
+			if (element) this.walkPattern(element);
+		}
+	}
+
+	walkRestElement(pattern) {
+		this.walkPattern(pattern.argument);
+	}
+
+	walkExpressions(expressions) {
+		for (const expression of expressions) {
+			if (expression) {
+				this.walkExpression(expression);
+			}
+		}
+	}
+
+	walkExpression(expression) {
+		switch (expression.type) {
+			case "ArrayExpression":
+				this.walkArrayExpression(expression);
+				break;
+			case "ArrowFunctionExpression":
+				this.walkArrowFunctionExpression(expression);
+				break;
+			case "AssignmentExpression":
+				this.walkAssignmentExpression(expression);
+				break;
+			case "AwaitExpression":
+				this.walkAwaitExpression(expression);
+				break;
+			case "BinaryExpression":
+				this.walkBinaryExpression(expression);
+				break;
+			case "CallExpression":
+				this.walkCallExpression(expression);
+				break;
+			case "ClassExpression":
+				this.walkClassExpression(expression);
+				break;
+			case "ConditionalExpression":
+				this.walkConditionalExpression(expression);
+				break;
+			case "FunctionExpression":
+				this.walkFunctionExpression(expression);
+				break;
+			case "Identifier":
+				this.walkIdentifier(expression);
+				break;
+			case "LogicalExpression":
+				this.walkLogicalExpression(expression);
+				break;
+			case "MemberExpression":
+				this.walkMemberExpression(expression);
+				break;
+			case "NewExpression":
+				this.walkNewExpression(expression);
+				break;
+			case "ObjectExpression":
+				this.walkObjectExpression(expression);
+				break;
+			case "SequenceExpression":
+				this.walkSequenceExpression(expression);
+				break;
+			case "SpreadElement":
+				this.walkSpreadElement(expression);
+				break;
+			case "TaggedTemplateExpression":
+				this.walkTaggedTemplateExpression(expression);
+				break;
+			case "TemplateLiteral":
+				this.walkTemplateLiteral(expression);
+				break;
+			case "ThisExpression":
+				this.walkThisExpression(expression);
+				break;
+			case "UnaryExpression":
+				this.walkUnaryExpression(expression);
+				break;
+			case "UpdateExpression":
+				this.walkUpdateExpression(expression);
+				break;
+			case "YieldExpression":
+				this.walkYieldExpression(expression);
+				break;
+		}
+	}
+
+	walkAwaitExpression(expression) {
+		this.walkExpression(expression.argument);
+	}
+
+	walkArrayExpression(expression) {
+		if (expression.elements) {
+			this.walkExpressions(expression.elements);
+		}
+	}
+
+	walkSpreadElement(expression) {
+		if (expression.argument) {
+			this.walkExpression(expression.argument);
+		}
+	}
+
+	walkObjectExpression(expression) {
+		for (
+			let propIndex = 0, len = expression.properties.length;
+			propIndex < len;
+			propIndex++
+		) {
+			const prop = expression.properties[propIndex];
+			if (prop.type === "SpreadElement") {
+				this.walkExpression(prop.argument);
+				continue;
+			}
+			if (prop.computed) {
+				this.walkExpression(prop.key);
+			}
+			if (prop.shorthand) {
+				this.scope.inShorthand = true;
+			}
+			this.walkExpression(prop.value);
+			if (prop.shorthand) {
+				this.scope.inShorthand = false;
+			}
+		}
+	}
+
+	walkFunctionExpression(expression) {
+		const wasTopLevel = this.scope.topLevelScope;
+		this.scope.topLevelScope = false;
+		const scopeParams = expression.params;
+
+		// Add function name in scope for recursive calls
+		if (expression.id) {
+			scopeParams.push(expression.id.name);
+		}
+
+		this.inFunctionScope(true, scopeParams, () => {
+			for (const param of expression.params) {
+				this.walkPattern(param);
+			}
+			if (expression.body.type === "BlockStatement") {
+				this.detectMode(expression.body.body);
+				this.prewalkStatement(expression.body);
+				this.walkStatement(expression.body);
+			} else {
+				this.walkExpression(expression.body);
+			}
+		});
+		this.scope.topLevelScope = wasTopLevel;
+	}
+
+	walkArrowFunctionExpression(expression) {
+		this.inFunctionScope(false, expression.params, () => {
+			for (const param of expression.params) {
+				this.walkPattern(param);
+			}
+			if (expression.body.type === "BlockStatement") {
+				this.detectMode(expression.body.body);
+				this.prewalkStatement(expression.body);
+				this.walkStatement(expression.body);
+			} else {
+				this.walkExpression(expression.body);
+			}
+		});
+	}
+
+	walkSequenceExpression(expression) {
+		if (expression.expressions) this.walkExpressions(expression.expressions);
+	}
+
+	walkUpdateExpression(expression) {
+		this.walkExpression(expression.argument);
+	}
+
+	walkUnaryExpression(expression) {
+		if (expression.operator === "typeof") {
+			const exprName = this.getNameForExpression(expression.argument);
+			if (exprName && exprName.free) {
+				const hook = this.hooks.typeof.get(exprName.name);
+				if (hook !== undefined) {
+					const result = hook.call(expression);
+					if (result === true) return;
+				}
+			}
+		}
+		this.walkExpression(expression.argument);
+	}
+
+	walkLeftRightExpression(expression) {
+		this.walkExpression(expression.left);
+		this.walkExpression(expression.right);
+	}
+
+	walkBinaryExpression(expression) {
+		this.walkLeftRightExpression(expression);
+	}
+
+	walkLogicalExpression(expression) {
+		const result = this.hooks.expressionLogicalOperator.call(expression);
+		if (result === undefined) {
+			this.walkLeftRightExpression(expression);
+		} else {
+			if (result) {
+				this.walkExpression(expression.right);
+			}
+		}
+	}
+
+	walkAssignmentExpression(expression) {
+		const renameIdentifier = this.getRenameIdentifier(expression.right);
+		if (expression.left.type === "Identifier" && renameIdentifier) {
+			const hook = this.hooks.canRename.get(renameIdentifier);
+			if (hook !== undefined && hook.call(expression.right)) {
+				// renaming "a = b;"
+				const hook = this.hooks.rename.get(renameIdentifier);
+				if (hook === undefined || !hook.call(expression.right)) {
+					this.scope.renames.set(expression.left.name, renameIdentifier);
+					this.scope.definitions.delete(expression.left.name);
+				}
+				return;
+			}
+		}
+		if (expression.left.type === "Identifier") {
+			const assignedHook = this.hooks.assigned.get(expression.left.name);
+			if (assignedHook === undefined || !assignedHook.call(expression)) {
+				this.walkExpression(expression.right);
+			}
+			this.scope.renames.set(expression.left.name, null);
+			const assignHook = this.hooks.assign.get(expression.left.name);
+			if (assignHook === undefined || !assignHook.call(expression)) {
+				this.walkExpression(expression.left);
+			}
+			return;
+		}
+		this.walkExpression(expression.right);
+		this.walkPattern(expression.left);
+		this.enterPattern(expression.left, (name, decl) => {
+			this.scope.renames.set(name, null);
+		});
+	}
+
+	walkConditionalExpression(expression) {
+		const result = this.hooks.expressionConditionalOperator.call(expression);
+		if (result === undefined) {
+			this.walkExpression(expression.test);
+			this.walkExpression(expression.consequent);
+			if (expression.alternate) {
+				this.walkExpression(expression.alternate);
+			}
+		} else {
+			if (result) {
+				this.walkExpression(expression.consequent);
+			} else if (expression.alternate) {
+				this.walkExpression(expression.alternate);
+			}
+		}
+	}
+
+	walkNewExpression(expression) {
+		const callee = this.evaluateExpression(expression.callee);
+		if (callee.isIdentifier()) {
+			const hook = this.hooks.new.get(callee.identifier);
+			if (hook !== undefined) {
+				const result = hook.call(expression);
+				if (result === true) {
+					return;
+				}
+			}
+		}
+
+		this.walkExpression(expression.callee);
+		if (expression.arguments) {
+			this.walkExpressions(expression.arguments);
+		}
+	}
+
+	walkYieldExpression(expression) {
+		if (expression.argument) {
+			this.walkExpression(expression.argument);
+		}
+	}
+
+	walkTemplateLiteral(expression) {
+		if (expression.expressions) {
+			this.walkExpressions(expression.expressions);
+		}
+	}
+
+	walkTaggedTemplateExpression(expression) {
+		if (expression.tag) {
+			this.walkExpression(expression.tag);
+		}
+		if (expression.quasi && expression.quasi.expressions) {
+			this.walkExpressions(expression.quasi.expressions);
+		}
+	}
+
+	walkClassExpression(expression) {
+		this.walkClass(expression);
+	}
+
+	_walkIIFE(functionExpression, options, currentThis) {
+		const renameArgOrThis = argOrThis => {
+			const renameIdentifier = this.getRenameIdentifier(argOrThis);
+			if (renameIdentifier) {
+				const hook = this.hooks.canRename.get(renameIdentifier);
+				if (hook !== undefined && hook.call(argOrThis)) {
+					const hook = this.hooks.rename.get(renameIdentifier);
+					if (hook === undefined || !hook.call(argOrThis)) {
+						return renameIdentifier;
+					}
+				}
+			}
+			this.walkExpression(argOrThis);
+		};
+		const params = functionExpression.params;
+		const renameThis = currentThis ? renameArgOrThis(currentThis) : null;
+		const args = options.map(renameArgOrThis);
+		const wasTopLevel = this.scope.topLevelScope;
+		this.scope.topLevelScope = false;
+		const scopeParams = params.filter((identifier, idx) => !args[idx]);
+
+		// Add function name in scope for recursive calls
+		if (functionExpression.id) {
+			scopeParams.push(functionExpression.id.name);
+		}
+
+		this.inFunctionScope(true, scopeParams, () => {
+			if (renameThis) {
+				this.scope.renames.set("this", renameThis);
+			}
+			for (let i = 0; i < args.length; i++) {
+				const param = args[i];
+				if (!param) continue;
+				if (!params[i] || params[i].type !== "Identifier") continue;
+				this.scope.renames.set(params[i].name, param);
+			}
+			if (functionExpression.body.type === "BlockStatement") {
+				this.detectMode(functionExpression.body.body);
+				this.prewalkStatement(functionExpression.body);
+				this.walkStatement(functionExpression.body);
+			} else {
+				this.walkExpression(functionExpression.body);
+			}
+		});
+		this.scope.topLevelScope = wasTopLevel;
+	}
+
+	walkCallExpression(expression) {
+		if (
+			expression.callee.type === "MemberExpression" &&
+			expression.callee.object.type === "FunctionExpression" &&
+			!expression.callee.computed &&
+			(expression.callee.property.name === "call" ||
+				expression.callee.property.name === "bind") &&
+			expression.arguments.length > 0
+		) {
+			// (function(…) { }.call/bind(?, …))
+			this._walkIIFE(
+				expression.callee.object,
+				expression.arguments.slice(1),
+				expression.arguments[0]
+			);
+		} else if (expression.callee.type === "FunctionExpression") {
+			// (function(…) { }(…))
+			this._walkIIFE(expression.callee, expression.arguments, null);
+		} else if (expression.callee.type === "Import") {
+			let result = this.hooks.importCall.call(expression);
+			if (result === true) return;
+
+			if (expression.arguments) this.walkExpressions(expression.arguments);
+		} else {
+			const callee = this.evaluateExpression(expression.callee);
+			if (callee.isIdentifier()) {
+				const callHook = this.hooks.call.get(callee.identifier);
+				if (callHook !== undefined) {
+					let result = callHook.call(expression);
+					if (result === true) return;
+				}
+				let identifier = callee.identifier.replace(/\.[^.]+$/, "");
+				if (identifier !== callee.identifier) {
+					const callAnyHook = this.hooks.callAnyMember.get(identifier);
+					if (callAnyHook !== undefined) {
+						let result = callAnyHook.call(expression);
+						if (result === true) return;
+					}
+				}
+			}
+
+			if (expression.callee) this.walkExpression(expression.callee);
+			if (expression.arguments) this.walkExpressions(expression.arguments);
+		}
+	}
+
+	walkMemberExpression(expression) {
+		const exprName = this.getNameForExpression(expression);
+		if (exprName && exprName.free) {
+			const expressionHook = this.hooks.expression.get(exprName.name);
+			if (expressionHook !== undefined) {
+				const result = expressionHook.call(expression);
+				if (result === true) return;
+			}
+			const expressionAnyMemberHook = this.hooks.expressionAnyMember.get(
+				exprName.nameGeneral
+			);
+			if (expressionAnyMemberHook !== undefined) {
+				const result = expressionAnyMemberHook.call(expression);
+				if (result === true) return;
+			}
+		}
+		this.walkExpression(expression.object);
+		if (expression.computed === true) this.walkExpression(expression.property);
+	}
+
+	walkThisExpression(expression) {
+		const expressionHook = this.hooks.expression.get("this");
+		if (expressionHook !== undefined) {
+			expressionHook.call(expression);
+		}
+	}
+
+	walkIdentifier(expression) {
+		if (!this.scope.definitions.has(expression.name)) {
+			const hook = this.hooks.expression.get(
+				this.scope.renames.get(expression.name) || expression.name
+			);
+			if (hook !== undefined) {
+				const result = hook.call(expression);
+				if (result === true) return;
+			}
+		}
+	}
+
+	/**
+	 * @deprecated
+	 * @param {any} params scope params
+	 * @param {function(): void} fn inner function
+	 * @returns {void}
+	 */
+	inScope(params, fn) {
+		const oldScope = this.scope;
+		this.scope = {
+			topLevelScope: oldScope.topLevelScope,
+			inTry: false,
+			inShorthand: false,
+			isStrict: oldScope.isStrict,
+			isAsmJs: oldScope.isAsmJs,
+			definitions: oldScope.definitions.createChild(),
+			renames: oldScope.renames.createChild()
+		};
+
+		this.scope.renames.set("this", null);
+
+		this.enterPatterns(params, ident => {
+			this.scope.renames.set(ident, null);
+			this.scope.definitions.add(ident);
+		});
+
+		fn();
+
+		this.scope = oldScope;
+	}
+
+	inFunctionScope(hasThis, params, fn) {
+		const oldScope = this.scope;
+		this.scope = {
+			topLevelScope: oldScope.topLevelScope,
+			inTry: false,
+			inShorthand: false,
+			isStrict: oldScope.isStrict,
+			isAsmJs: oldScope.isAsmJs,
+			definitions: oldScope.definitions.createChild(),
+			renames: oldScope.renames.createChild()
+		};
+
+		if (hasThis) {
+			this.scope.renames.set("this", null);
+		}
+
+		this.enterPatterns(params, ident => {
+			this.scope.renames.set(ident, null);
+			this.scope.definitions.add(ident);
+		});
+
+		fn();
+
+		this.scope = oldScope;
+	}
+
+	inBlockScope(fn) {
+		const oldScope = this.scope;
+		this.scope = {
+			topLevelScope: oldScope.topLevelScope,
+			inTry: oldScope.inTry,
+			inShorthand: false,
+			isStrict: oldScope.isStrict,
+			isAsmJs: oldScope.isAsmJs,
+			definitions: oldScope.definitions.createChild(),
+			renames: oldScope.renames.createChild()
+		};
+
+		fn();
+
+		this.scope = oldScope;
+	}
+
+	// TODO webpack 5: remove this methods
+	// only for backward-compat
+	detectStrictMode(statements) {
+		this.detectMode(statements);
+	}
+
+	detectMode(statements) {
+		const isLiteral =
+			statements.length >= 1 &&
+			statements[0].type === "ExpressionStatement" &&
+			statements[0].expression.type === "Literal";
+		if (isLiteral && statements[0].expression.value === "use strict") {
+			this.scope.isStrict = true;
+		}
+		if (isLiteral && statements[0].expression.value === "use asm") {
+			this.scope.isAsmJs = true;
+		}
+	}
+
+	enterPatterns(patterns, onIdent) {
+		for (const pattern of patterns) {
+			if (typeof pattern !== "string") {
+				this.enterPattern(pattern, onIdent);
+			} else if (pattern) {
+				onIdent(pattern);
+			}
+		}
+	}
+
+	enterPattern(pattern, onIdent) {
+		if (!pattern) return;
+		switch (pattern.type) {
+			case "ArrayPattern":
+				this.enterArrayPattern(pattern, onIdent);
+				break;
+			case "AssignmentPattern":
+				this.enterAssignmentPattern(pattern, onIdent);
+				break;
+			case "Identifier":
+				this.enterIdentifier(pattern, onIdent);
+				break;
+			case "ObjectPattern":
+				this.enterObjectPattern(pattern, onIdent);
+				break;
+			case "RestElement":
+				this.enterRestElement(pattern, onIdent);
+				break;
+			case "Property":
+				this.enterPattern(pattern.value, onIdent);
+				break;
+		}
+	}
+
+	enterIdentifier(pattern, onIdent) {
+		onIdent(pattern.name, pattern);
+	}
+
+	enterObjectPattern(pattern, onIdent) {
+		for (
+			let propIndex = 0, len = pattern.properties.length;
+			propIndex < len;
+			propIndex++
+		) {
+			const prop = pattern.properties[propIndex];
+			this.enterPattern(prop, onIdent);
+		}
+	}
+
+	enterArrayPattern(pattern, onIdent) {
+		for (
+			let elementIndex = 0, len = pattern.elements.length;
+			elementIndex < len;
+			elementIndex++
+		) {
+			const element = pattern.elements[elementIndex];
+			this.enterPattern(element, onIdent);
+		}
+	}
+
+	enterRestElement(pattern, onIdent) {
+		this.enterPattern(pattern.argument, onIdent);
+	}
+
+	enterAssignmentPattern(pattern, onIdent) {
+		this.enterPattern(pattern.left, onIdent);
+	}
+
+	evaluateExpression(expression) {
+		try {
+			const hook = this.hooks.evaluate.get(expression.type);
+			if (hook !== undefined) {
+				const result = hook.call(expression);
+				if (result !== undefined) {
+					if (result) {
+						result.setExpression(expression);
+					}
+					return result;
+				}
+			}
+		} catch (e) {
+			console.warn(e);
+			// ignore error
+		}
+		return new BasicEvaluatedExpression()
+			.setRange(expression.range)
+			.setExpression(expression);
+	}
+
+	parseString(expression) {
+		switch (expression.type) {
+			case "BinaryExpression":
+				if (expression.operator === "+") {
+					return (
+						this.parseString(expression.left) +
+						this.parseString(expression.right)
+					);
+				}
+				break;
+			case "Literal":
+				return expression.value + "";
+		}
+		throw new Error(
+			expression.type + " is not supported as parameter for require"
+		);
+	}
+
+	parseCalculatedString(expression) {
+		switch (expression.type) {
+			case "BinaryExpression":
+				if (expression.operator === "+") {
+					const left = this.parseCalculatedString(expression.left);
+					const right = this.parseCalculatedString(expression.right);
+					if (left.code) {
+						return {
+							range: left.range,
+							value: left.value,
+							code: true,
+							conditional: false
+						};
+					} else if (right.code) {
+						return {
+							range: [
+								left.range[0],
+								right.range ? right.range[1] : left.range[1]
+							],
+							value: left.value + right.value,
+							code: true,
+							conditional: false
+						};
+					} else {
+						return {
+							range: [left.range[0], right.range[1]],
+							value: left.value + right.value,
+							code: false,
+							conditional: false
+						};
+					}
+				}
+				break;
+			case "ConditionalExpression": {
+				const consequent = this.parseCalculatedString(expression.consequent);
+				const alternate = this.parseCalculatedString(expression.alternate);
+				const items = [];
+				if (consequent.conditional) {
+					items.push(...consequent.conditional);
+				} else if (!consequent.code) {
+					items.push(consequent);
+				} else {
+					break;
+				}
+				if (alternate.conditional) {
+					items.push(...alternate.conditional);
+				} else if (!alternate.code) {
+					items.push(alternate);
+				} else {
+					break;
+				}
+				return {
+					range: undefined,
+					value: "",
+					code: true,
+					conditional: items
+				};
+			}
+			case "Literal":
+				return {
+					range: expression.range,
+					value: expression.value + "",
+					code: false,
+					conditional: false
+				};
+		}
+		return {
+			range: undefined,
+			value: "",
+			code: true,
+			conditional: false
+		};
+	}
+
+	parse(source, initialState) {
+		let ast;
+		let comments;
+		if (typeof source === "object" && source !== null) {
+			ast = source;
+			comments = source.comments;
+		} else {
+			comments = [];
+			ast = Parser.parse(source, {
+				sourceType: this.sourceType,
+				onComment: comments
+			});
+		}
+
+		const oldScope = this.scope;
+		const oldState = this.state;
+		const oldComments = this.comments;
+		this.scope = {
+			topLevelScope: true,
+			inTry: false,
+			inShorthand: false,
+			isStrict: false,
+			isAsmJs: false,
+			definitions: new StackedSetMap(),
+			renames: new StackedSetMap()
+		};
+		const state = (this.state = initialState || {});
+		this.comments = comments;
+		if (this.hooks.program.call(ast, comments) === undefined) {
+			this.detectMode(ast.body);
+			this.prewalkStatements(ast.body);
+			this.blockPrewalkStatements(ast.body);
+			this.walkStatements(ast.body);
+		}
+		this.scope = oldScope;
+		this.state = oldState;
+		this.comments = oldComments;
+		return state;
+	}
+
+	evaluate(source) {
+		const ast = Parser.parse("(" + source + ")", {
+			sourceType: this.sourceType,
+			locations: false
+		});
+		// TODO(https://github.com/acornjs/acorn/issues/741)
+		// @ts-ignore
+		if (ast.body.length !== 1 || ast.body[0].type !== "ExpressionStatement") {
+			throw new Error("evaluate: Source is not a expression");
+		}
+		// TODO(https://github.com/acornjs/acorn/issues/741)
+		// @ts-ignore
+		return this.evaluateExpression(ast.body[0].expression);
+	}
+
+	getComments(range) {
+		return this.comments.filter(
+			comment => comment.range[0] >= range[0] && comment.range[1] <= range[1]
+		);
+	}
+
+	parseCommentOptions(range) {
+		const comments = this.getComments(range);
+		if (comments.length === 0) {
+			return EMPTY_COMMENT_OPTIONS;
+		}
+		let options = {};
+		let errors = [];
+		for (const comment of comments) {
+			const { value } = comment;
+			if (value && webpackCommentRegExp.test(value)) {
+				// try compile only if webpack options comment is present
+				try {
+					const val = vm.runInNewContext(`(function(){return {${value}};})()`);
+					Object.assign(options, val);
+				} catch (e) {
+					e.comment = comment;
+					errors.push(e);
+				}
+			}
+		}
+		return { options, errors };
+	}
+
+	getNameForExpression(expression) {
+		let expr = expression;
+		const exprName = [];
+		while (
+			expr.type === "MemberExpression" &&
+			expr.property.type === (expr.computed ? "Literal" : "Identifier")
+		) {
+			exprName.push(expr.computed ? expr.property.value : expr.property.name);
+			expr = expr.object;
+		}
+		let free;
+		if (expr.type === "Identifier") {
+			free = !this.scope.definitions.has(expr.name);
+			exprName.push(this.scope.renames.get(expr.name) || expr.name);
+		} else if (
+			expr.type === "ThisExpression" &&
+			this.scope.renames.get("this")
+		) {
+			free = true;
+			exprName.push(this.scope.renames.get("this"));
+		} else if (expr.type === "ThisExpression") {
+			free = this.scope.topLevelScope;
+			exprName.push("this");
+		} else {
+			return null;
+		}
+		let prefix = "";
+		for (let i = exprName.length - 1; i >= 2; i--) {
+			prefix += exprName[i] + ".";
+		}
+		if (exprName.length > 1) {
+			prefix += exprName[1];
+		}
+		const name = prefix ? prefix + "." + exprName[0] : exprName[0];
+		const nameGeneral = prefix;
+		return {
+			name,
+			nameGeneral,
+			free
+		};
+	}
+
+	static parse(code, options) {
+		const type = options ? options.sourceType : "module";
+		const parserOptions = Object.assign(
+			Object.create(null),
+			defaultParserOptions,
+			options
+		);
+
+		if (type === "auto") {
+			parserOptions.sourceType = "module";
+		} else if (parserOptions.sourceType === "script") {
+			parserOptions.allowReturnOutsideFunction = true;
+		}
+
+		let ast;
+		let error;
+		let threw = false;
+		try {
+			ast = acornParser.parse(code, parserOptions);
+		} catch (e) {
+			error = e;
+			threw = true;
+		}
+
+		if (threw && type === "auto") {
+			parserOptions.sourceType = "script";
+			parserOptions.allowReturnOutsideFunction = true;
+			if (Array.isArray(parserOptions.onComment)) {
+				parserOptions.onComment.length = 0;
+			}
+			try {
+				ast = acornParser.parse(code, parserOptions);
+				threw = false;
+			} catch (e) {
+				threw = true;
+			}
+		}
+
+		if (threw) {
+			throw error;
+		}
+
+		return ast;
+	}
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(Parser.prototype, "getCommentOptions", {
+	configurable: false,
+	value: util.deprecate(
+		/**
+		 * @deprecated
+		 * @param {TODO} range Range
+		 * @returns {void}
+		 * @this {Parser}
+		 */
+		function(range) {
+			return this.parseCommentOptions(range).options;
+		},
+		"Parser.getCommentOptions: Use Parser.parseCommentOptions(range) instead"
+	)
+});
+
+module.exports = Parser;
diff --git a/node_modules/webpack/lib/ParserHelpers.js b/node_modules/webpack/lib/ParserHelpers.js
new file mode 100644
index 00000000..5248f12f
--- /dev/null
+++ b/node_modules/webpack/lib/ParserHelpers.js
@@ -0,0 +1,103 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const path = require("path");
+
+const BasicEvaluatedExpression = require("./BasicEvaluatedExpression");
+const ConstDependency = require("./dependencies/ConstDependency");
+const UnsupportedFeatureWarning = require("./UnsupportedFeatureWarning");
+
+const ParserHelpers = exports;
+
+ParserHelpers.addParsedVariableToModule = (parser, name, expression) => {
+	if (!parser.state.current.addVariable) return false;
+	var deps = [];
+	parser.parse(expression, {
+		current: {
+			addDependency: dep => {
+				dep.userRequest = name;
+				deps.push(dep);
+			}
+		},
+		module: parser.state.module
+	});
+	parser.state.current.addVariable(name, expression, deps);
+	return true;
+};
+
+ParserHelpers.requireFileAsExpression = (context, pathToModule) => {
+	var moduleJsPath = path.relative(context, pathToModule);
+	if (!/^[A-Z]:/i.test(moduleJsPath)) {
+		moduleJsPath = "./" + moduleJsPath.replace(/\\/g, "/");
+	}
+	return "require(" + JSON.stringify(moduleJsPath) + ")";
+};
+
+ParserHelpers.toConstantDependency = (parser, value) => {
+	return function constDependency(expr) {
+		var dep = new ConstDependency(value, expr.range, false);
+		dep.loc = expr.loc;
+		parser.state.current.addDependency(dep);
+		return true;
+	};
+};
+
+ParserHelpers.toConstantDependencyWithWebpackRequire = (parser, value) => {
+	return function constDependencyWithWebpackRequire(expr) {
+		var dep = new ConstDependency(value, expr.range, true);
+		dep.loc = expr.loc;
+		parser.state.current.addDependency(dep);
+		return true;
+	};
+};
+
+ParserHelpers.evaluateToString = value => {
+	return function stringExpression(expr) {
+		return new BasicEvaluatedExpression().setString(value).setRange(expr.range);
+	};
+};
+
+ParserHelpers.evaluateToBoolean = value => {
+	return function booleanExpression(expr) {
+		return new BasicEvaluatedExpression()
+			.setBoolean(value)
+			.setRange(expr.range);
+	};
+};
+
+ParserHelpers.evaluateToIdentifier = (identifier, truthy) => {
+	return function identifierExpression(expr) {
+		let evex = new BasicEvaluatedExpression()
+			.setIdentifier(identifier)
+			.setRange(expr.range);
+		if (truthy === true) {
+			evex = evex.setTruthy();
+		} else if (truthy === false) {
+			evex = evex.setFalsy();
+		}
+		return evex;
+	};
+};
+
+ParserHelpers.expressionIsUnsupported = (parser, message) => {
+	return function unsupportedExpression(expr) {
+		var dep = new ConstDependency("(void 0)", expr.range, false);
+		dep.loc = expr.loc;
+		parser.state.current.addDependency(dep);
+		if (!parser.state.module) return;
+		parser.state.module.warnings.push(
+			new UnsupportedFeatureWarning(parser.state.module, message, expr.loc)
+		);
+		return true;
+	};
+};
+
+ParserHelpers.skipTraversal = function skipTraversal() {
+	return true;
+};
+
+ParserHelpers.approve = function approve() {
+	return true;
+};
diff --git a/node_modules/webpack/lib/PrefetchPlugin.js b/node_modules/webpack/lib/PrefetchPlugin.js
new file mode 100644
index 00000000..cc9d17c0
--- /dev/null
+++ b/node_modules/webpack/lib/PrefetchPlugin.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const PrefetchDependency = require("./dependencies/PrefetchDependency");
+
+class PrefetchPlugin {
+	constructor(context, request) {
+		if (!request) {
+			this.request = context;
+		} else {
+			this.context = context;
+			this.request = request;
+		}
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"PrefetchPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					PrefetchDependency,
+					normalModuleFactory
+				);
+			}
+		);
+		compiler.hooks.make.tapAsync("PrefetchPlugin", (compilation, callback) => {
+			compilation.prefetch(
+				this.context || compiler.context,
+				new PrefetchDependency(this.request),
+				callback
+			);
+		});
+	}
+}
+module.exports = PrefetchPlugin;
diff --git a/node_modules/webpack/lib/ProgressPlugin.js b/node_modules/webpack/lib/ProgressPlugin.js
new file mode 100644
index 00000000..93a5830b
--- /dev/null
+++ b/node_modules/webpack/lib/ProgressPlugin.js
@@ -0,0 +1,307 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/ProgressPlugin.json");
+
+/** @typedef {import("../declarations/plugins/ProgressPlugin").ProgressPluginArgument} ProgressPluginArgument */
+/** @typedef {import("../declarations/plugins/ProgressPlugin").ProgressPluginOptions} ProgressPluginOptions */
+
+const createDefaultHandler = (profile, logger) => {
+	let lastState;
+	let lastStateTime;
+
+	const defaultHandler = (percentage, msg, ...args) => {
+		logger.status(`${Math.floor(percentage * 100)}%`, msg, ...args);
+		if (profile) {
+			let state = msg;
+			state = state.replace(/^\d+\/\d+\s+/, "");
+			if (percentage === 0) {
+				lastState = null;
+				lastStateTime = Date.now();
+			} else if (state !== lastState || percentage === 1) {
+				const now = Date.now();
+				if (lastState) {
+					const diff = now - lastStateTime;
+					const stateMsg = `${diff}ms ${lastState}`;
+					if (diff > 1000) {
+						logger.warn(stateMsg);
+					} else if (diff > 10) {
+						logger.info(stateMsg);
+					} else if (diff > 0) {
+						logger.log(stateMsg);
+					} else {
+						logger.debug(stateMsg);
+					}
+				}
+				lastState = state;
+				lastStateTime = now;
+			}
+		}
+		if (percentage === 1) logger.status();
+	};
+
+	return defaultHandler;
+};
+
+class ProgressPlugin {
+	/**
+	 * @param {ProgressPluginArgument} options options
+	 */
+	constructor(options) {
+		if (typeof options === "function") {
+			options = {
+				handler: options
+			};
+		}
+
+		options = options || {};
+		validateOptions(schema, options, "Progress Plugin");
+		options = Object.assign({}, ProgressPlugin.defaultOptions, options);
+
+		this.profile = options.profile;
+		this.handler = options.handler;
+		this.modulesCount = options.modulesCount;
+		this.showEntries = options.entries;
+		this.showModules = options.modules;
+		this.showActiveModules = options.activeModules;
+	}
+
+	apply(compiler) {
+		const { modulesCount } = this;
+		const handler =
+			this.handler ||
+			createDefaultHandler(
+				this.profile,
+				compiler.getInfrastructureLogger("webpack.Progress")
+			);
+		const showEntries = this.showEntries;
+		const showModules = this.showModules;
+		const showActiveModules = this.showActiveModules;
+		if (compiler.compilers) {
+			const states = new Array(compiler.compilers.length);
+			compiler.compilers.forEach((compiler, idx) => {
+				new ProgressPlugin((p, msg, ...args) => {
+					states[idx] = [p, msg, ...args];
+					handler(
+						states
+							.map(state => (state && state[0]) || 0)
+							.reduce((a, b) => a + b) / states.length,
+						`[${idx}] ${msg}`,
+						...args
+					);
+				}).apply(compiler);
+			});
+		} else {
+			let lastModulesCount = 0;
+			let lastEntriesCount = 0;
+			let moduleCount = modulesCount;
+			let entriesCount = 1;
+			let doneModules = 0;
+			let doneEntries = 0;
+			const activeModules = new Set();
+			let lastActiveModule = "";
+
+			const update = () => {
+				const percentByModules =
+					doneModules / Math.max(lastModulesCount, moduleCount);
+				const percentByEntries =
+					doneEntries / Math.max(lastEntriesCount, entriesCount);
+
+				const items = [
+					0.1 + Math.max(percentByModules, percentByEntries) * 0.6,
+					"building"
+				];
+				if (showEntries) {
+					items.push(`${doneEntries}/${entriesCount} entries`);
+				}
+				if (showModules) {
+					items.push(`${doneModules}/${moduleCount} modules`);
+				}
+				if (showActiveModules) {
+					items.push(`${activeModules.size} active`);
+					items.push(lastActiveModule);
+				}
+				handler(...items);
+			};
+
+			const moduleAdd = module => {
+				moduleCount++;
+				if (showActiveModules) {
+					const ident = module.identifier();
+					if (ident) {
+						activeModules.add(ident);
+						lastActiveModule = ident;
+					}
+				}
+				update();
+			};
+
+			const entryAdd = (entry, name) => {
+				entriesCount++;
+				update();
+			};
+
+			const moduleDone = module => {
+				doneModules++;
+				if (showActiveModules) {
+					const ident = module.identifier();
+					if (ident) {
+						activeModules.delete(ident);
+						if (lastActiveModule === ident) {
+							lastActiveModule = "";
+							for (const m of activeModules) {
+								lastActiveModule = m;
+							}
+						}
+					}
+				}
+				update();
+			};
+
+			const entryDone = (entry, name) => {
+				doneEntries++;
+				update();
+			};
+
+			compiler.hooks.compilation.tap("ProgressPlugin", compilation => {
+				if (compilation.compiler.isChild()) return;
+				lastModulesCount = moduleCount;
+				lastEntriesCount = entriesCount;
+				moduleCount = entriesCount = 0;
+				doneModules = doneEntries = 0;
+				handler(0, "compiling");
+
+				compilation.hooks.buildModule.tap("ProgressPlugin", moduleAdd);
+				compilation.hooks.failedModule.tap("ProgressPlugin", moduleDone);
+				compilation.hooks.succeedModule.tap("ProgressPlugin", moduleDone);
+
+				compilation.hooks.addEntry.tap("ProgressPlugin", entryAdd);
+				compilation.hooks.failedEntry.tap("ProgressPlugin", entryDone);
+				compilation.hooks.succeedEntry.tap("ProgressPlugin", entryDone);
+
+				const hooks = {
+					finishModules: "finish module graph",
+					seal: "sealing",
+					beforeChunks: "chunk graph",
+					afterChunks: "after chunk graph",
+					optimizeDependenciesBasic: "basic dependencies optimization",
+					optimizeDependencies: "dependencies optimization",
+					optimizeDependenciesAdvanced: "advanced dependencies optimization",
+					afterOptimizeDependencies: "after dependencies optimization",
+					optimize: "optimizing",
+					optimizeModulesBasic: "basic module optimization",
+					optimizeModules: "module optimization",
+					optimizeModulesAdvanced: "advanced module optimization",
+					afterOptimizeModules: "after module optimization",
+					optimizeChunksBasic: "basic chunk optimization",
+					optimizeChunks: "chunk optimization",
+					optimizeChunksAdvanced: "advanced chunk optimization",
+					afterOptimizeChunks: "after chunk optimization",
+					optimizeTree: "module and chunk tree optimization",
+					afterOptimizeTree: "after module and chunk tree optimization",
+					optimizeChunkModulesBasic: "basic chunk modules optimization",
+					optimizeChunkModules: "chunk modules optimization",
+					optimizeChunkModulesAdvanced: "advanced chunk modules optimization",
+					afterOptimizeChunkModules: "after chunk modules optimization",
+					reviveModules: "module reviving",
+					optimizeModuleOrder: "module order optimization",
+					advancedOptimizeModuleOrder: "advanced module order optimization",
+					beforeModuleIds: "before module ids",
+					moduleIds: "module ids",
+					optimizeModuleIds: "module id optimization",
+					afterOptimizeModuleIds: "module id optimization",
+					reviveChunks: "chunk reviving",
+					optimizeChunkOrder: "chunk order optimization",
+					beforeChunkIds: "before chunk ids",
+					optimizeChunkIds: "chunk id optimization",
+					afterOptimizeChunkIds: "after chunk id optimization",
+					recordModules: "record modules",
+					recordChunks: "record chunks",
+					beforeHash: "hashing",
+					afterHash: "after hashing",
+					recordHash: "record hash",
+					beforeModuleAssets: "module assets processing",
+					beforeChunkAssets: "chunk assets processing",
+					additionalChunkAssets: "additional chunk assets processing",
+					record: "recording",
+					additionalAssets: "additional asset processing",
+					optimizeChunkAssets: "chunk asset optimization",
+					afterOptimizeChunkAssets: "after chunk asset optimization",
+					optimizeAssets: "asset optimization",
+					afterOptimizeAssets: "after asset optimization",
+					afterSeal: "after seal"
+				};
+				const numberOfHooks = Object.keys(hooks).length;
+				Object.keys(hooks).forEach((name, idx) => {
+					const title = hooks[name];
+					const percentage = (idx / numberOfHooks) * 0.25 + 0.7;
+					compilation.hooks[name].intercept({
+						name: "ProgressPlugin",
+						context: true,
+						call: () => {
+							handler(percentage, title);
+						},
+						tap: (context, tap) => {
+							if (context) {
+								// p is percentage from 0 to 1
+								// args is any number of messages in a hierarchical matter
+								context.reportProgress = (p, ...args) => {
+									handler(percentage, title, tap.name, ...args);
+								};
+							}
+							handler(percentage, title, tap.name);
+						}
+					});
+				});
+			});
+			compiler.hooks.emit.intercept({
+				name: "ProgressPlugin",
+				context: true,
+				call: () => {
+					handler(0.95, "emitting");
+				},
+				tap: (context, tap) => {
+					if (context) {
+						context.reportProgress = (p, ...args) => {
+							handler(0.95, "emitting", tap.name, ...args);
+						};
+					}
+					handler(0.95, "emitting", tap.name);
+				}
+			});
+			compiler.hooks.afterEmit.intercept({
+				name: "ProgressPlugin",
+				context: true,
+				call: () => {
+					handler(0.98, "after emitting");
+				},
+				tap: (context, tap) => {
+					if (context) {
+						context.reportProgress = (p, ...args) => {
+							handler(0.98, "after emitting", tap.name, ...args);
+						};
+					}
+					handler(0.98, "after emitting", tap.name);
+				}
+			});
+			compiler.hooks.done.tap("ProgressPlugin", () => {
+				handler(1, "");
+			});
+		}
+	}
+}
+
+ProgressPlugin.defaultOptions = {
+	profile: false,
+	modulesCount: 500,
+	modules: true,
+	activeModules: true,
+	// TODO webpack 5 default this to true
+	entries: false
+};
+
+module.exports = ProgressPlugin;
diff --git a/node_modules/webpack/lib/ProvidePlugin.js b/node_modules/webpack/lib/ProvidePlugin.js
new file mode 100644
index 00000000..4e6a69d4
--- /dev/null
+++ b/node_modules/webpack/lib/ProvidePlugin.js
@@ -0,0 +1,86 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ParserHelpers = require("./ParserHelpers");
+const ConstDependency = require("./dependencies/ConstDependency");
+
+const NullFactory = require("./NullFactory");
+
+class ProvidePlugin {
+	constructor(definitions) {
+		this.definitions = definitions;
+	}
+
+	apply(compiler) {
+		const definitions = this.definitions;
+		compiler.hooks.compilation.tap(
+			"ProvidePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+				const handler = (parser, parserOptions) => {
+					Object.keys(definitions).forEach(name => {
+						var request = [].concat(definitions[name]);
+						var splittedName = name.split(".");
+						if (splittedName.length > 0) {
+							splittedName.slice(1).forEach((_, i) => {
+								const name = splittedName.slice(0, i + 1).join(".");
+								parser.hooks.canRename
+									.for(name)
+									.tap("ProvidePlugin", ParserHelpers.approve);
+							});
+						}
+						parser.hooks.expression.for(name).tap("ProvidePlugin", expr => {
+							let nameIdentifier = name;
+							const scopedName = name.includes(".");
+							let expression = `require(${JSON.stringify(request[0])})`;
+							if (scopedName) {
+								nameIdentifier = `__webpack_provided_${name.replace(
+									/\./g,
+									"_dot_"
+								)}`;
+							}
+							if (request.length > 1) {
+								expression += request
+									.slice(1)
+									.map(r => `[${JSON.stringify(r)}]`)
+									.join("");
+							}
+							if (
+								!ParserHelpers.addParsedVariableToModule(
+									parser,
+									nameIdentifier,
+									expression
+								)
+							) {
+								return false;
+							}
+							if (scopedName) {
+								ParserHelpers.toConstantDependency(
+									parser,
+									nameIdentifier
+								)(expr);
+							}
+							return true;
+						});
+					});
+				};
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ProvidePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("ProvidePlugin", handler);
+
+				// Disable ProvidePlugin for javascript/esm, see https://github.com/webpack/webpack/issues/7032
+			}
+		);
+	}
+}
+module.exports = ProvidePlugin;
diff --git a/node_modules/webpack/lib/RawModule.js b/node_modules/webpack/lib/RawModule.js
new file mode 100644
index 00000000..ab3fd3ab
--- /dev/null
+++ b/node_modules/webpack/lib/RawModule.js
@@ -0,0 +1,56 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Module = require("./Module");
+const { OriginalSource, RawSource } = require("webpack-sources");
+
+module.exports = class RawModule extends Module {
+	constructor(source, identifier, readableIdentifier) {
+		super("javascript/dynamic", null);
+		this.sourceStr = source;
+		this.identifierStr = identifier || this.sourceStr;
+		this.readableIdentifierStr = readableIdentifier || this.identifierStr;
+		this.built = false;
+	}
+
+	identifier() {
+		return this.identifierStr;
+	}
+
+	size() {
+		return this.sourceStr.length;
+	}
+
+	readableIdentifier(requestShortener) {
+		return requestShortener.shorten(this.readableIdentifierStr);
+	}
+
+	needRebuild() {
+		return false;
+	}
+
+	build(options, compilations, resolver, fs, callback) {
+		this.built = true;
+		this.buildMeta = {};
+		this.buildInfo = {
+			cacheable: true
+		};
+		callback();
+	}
+
+	source() {
+		if (this.useSourceMap) {
+			return new OriginalSource(this.sourceStr, this.identifier());
+		} else {
+			return new RawSource(this.sourceStr);
+		}
+	}
+
+	updateHash(hash) {
+		hash.update(this.sourceStr);
+		super.updateHash(hash);
+	}
+};
diff --git a/node_modules/webpack/lib/RecordIdsPlugin.js b/node_modules/webpack/lib/RecordIdsPlugin.js
new file mode 100644
index 00000000..3979f1f0
--- /dev/null
+++ b/node_modules/webpack/lib/RecordIdsPlugin.js
@@ -0,0 +1,236 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const identifierUtils = require("./util/identifier");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Module")} Module */
+
+/**
+ * @typedef {Object} RecordsChunks
+ * @property {Record<string, number>=} byName
+ * @property {Record<string, number>=} bySource
+ * @property {number[]=} usedIds
+ */
+
+/**
+ * @typedef {Object} RecordsModules
+ * @property {Record<string, number>=} byIdentifier
+ * @property {Record<string, number>=} bySource
+ * @property {Record<number, number>=} usedIds
+ */
+
+/**
+ * @typedef {Object} Records
+ * @property {RecordsChunks=} chunks
+ * @property {RecordsModules=} modules
+ */
+
+class RecordIdsPlugin {
+	/**
+	 * @param {Object} options Options object
+	 * @param {boolean=} options.portableIds true, when ids need to be portable
+	 */
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	/**
+	 * @param {Compiler} compiler the Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const portableIds = this.options.portableIds;
+		compiler.hooks.compilation.tap("RecordIdsPlugin", compilation => {
+			compilation.hooks.recordModules.tap(
+				"RecordIdsPlugin",
+				/**
+				 * @param {Module[]} modules the modules array
+				 * @param {Records} records the records object
+				 * @returns {void}
+				 */
+				(modules, records) => {
+					if (!records.modules) records.modules = {};
+					if (!records.modules.byIdentifier) records.modules.byIdentifier = {};
+					if (!records.modules.usedIds) records.modules.usedIds = {};
+					for (const module of modules) {
+						if (typeof module.id !== "number") continue;
+						const identifier = portableIds
+							? identifierUtils.makePathsRelative(
+									compiler.context,
+									module.identifier(),
+									compilation.cache
+							  )
+							: module.identifier();
+						records.modules.byIdentifier[identifier] = module.id;
+						records.modules.usedIds[module.id] = module.id;
+					}
+				}
+			);
+			compilation.hooks.reviveModules.tap(
+				"RecordIdsPlugin",
+				/**
+				 * @param {Module[]} modules the modules array
+				 * @param {Records} records the records object
+				 * @returns {void}
+				 */
+				(modules, records) => {
+					if (!records.modules) return;
+					if (records.modules.byIdentifier) {
+						/** @type {Set<number>} */
+						const usedIds = new Set();
+						for (const module of modules) {
+							if (module.id !== null) continue;
+							const identifier = portableIds
+								? identifierUtils.makePathsRelative(
+										compiler.context,
+										module.identifier(),
+										compilation.cache
+								  )
+								: module.identifier();
+							const id = records.modules.byIdentifier[identifier];
+							if (id === undefined) continue;
+							if (usedIds.has(id)) continue;
+							usedIds.add(id);
+							module.id = id;
+						}
+					}
+					if (Array.isArray(records.modules.usedIds)) {
+						compilation.usedModuleIds = new Set(records.modules.usedIds);
+					}
+				}
+			);
+
+			/**
+			 * @param {Module} module the module
+			 * @returns {string} the (portable) identifier
+			 */
+			const getModuleIdentifier = module => {
+				if (portableIds) {
+					return identifierUtils.makePathsRelative(
+						compiler.context,
+						module.identifier(),
+						compilation.cache
+					);
+				}
+				return module.identifier();
+			};
+
+			/**
+			 * @param {Chunk} chunk the chunk
+			 * @returns {string[]} sources of the chunk
+			 */
+			const getChunkSources = chunk => {
+				/** @type {string[]} */
+				const sources = [];
+				for (const chunkGroup of chunk.groupsIterable) {
+					const index = chunkGroup.chunks.indexOf(chunk);
+					if (chunkGroup.name) {
+						sources.push(`${index} ${chunkGroup.name}`);
+					} else {
+						for (const origin of chunkGroup.origins) {
+							if (origin.module) {
+								if (origin.request) {
+									sources.push(
+										`${index} ${getModuleIdentifier(origin.module)} ${
+											origin.request
+										}`
+									);
+								} else if (typeof origin.loc === "string") {
+									sources.push(
+										`${index} ${getModuleIdentifier(origin.module)} ${
+											origin.loc
+										}`
+									);
+								} else if (
+									origin.loc &&
+									typeof origin.loc === "object" &&
+									origin.loc.start
+								) {
+									sources.push(
+										`${index} ${getModuleIdentifier(
+											origin.module
+										)} ${JSON.stringify(origin.loc.start)}`
+									);
+								}
+							}
+						}
+					}
+				}
+				return sources;
+			};
+
+			compilation.hooks.recordChunks.tap(
+				"RecordIdsPlugin",
+				/**
+				 * @param {Chunk[]} chunks the chunks array
+				 * @param {Records} records the records object
+				 * @returns {void}
+				 */
+				(chunks, records) => {
+					if (!records.chunks) records.chunks = {};
+					if (!records.chunks.byName) records.chunks.byName = {};
+					if (!records.chunks.bySource) records.chunks.bySource = {};
+					/** @type {Set<number>} */
+					const usedIds = new Set();
+					for (const chunk of chunks) {
+						if (typeof chunk.id !== "number") continue;
+						const name = chunk.name;
+						if (name) records.chunks.byName[name] = chunk.id;
+						const sources = getChunkSources(chunk);
+						for (const source of sources) {
+							records.chunks.bySource[source] = chunk.id;
+						}
+						usedIds.add(chunk.id);
+					}
+					records.chunks.usedIds = Array.from(usedIds).sort();
+				}
+			);
+			compilation.hooks.reviveChunks.tap(
+				"RecordIdsPlugin",
+				/**
+				 * @param {Chunk[]} chunks the chunks array
+				 * @param {Records} records the records object
+				 * @returns {void}
+				 */
+				(chunks, records) => {
+					if (!records.chunks) return;
+					/** @type {Set<number>} */
+					const usedIds = new Set();
+					if (records.chunks.byName) {
+						for (const chunk of chunks) {
+							if (chunk.id !== null) continue;
+							if (!chunk.name) continue;
+							const id = records.chunks.byName[chunk.name];
+							if (id === undefined) continue;
+							if (usedIds.has(id)) continue;
+							usedIds.add(id);
+							chunk.id = id;
+						}
+					}
+					if (records.chunks.bySource) {
+						for (const chunk of chunks) {
+							const sources = getChunkSources(chunk);
+							for (const source of sources) {
+								const id = records.chunks.bySource[source];
+								if (id === undefined) continue;
+								if (usedIds.has(id)) continue;
+								usedIds.add(id);
+								chunk.id = id;
+								break;
+							}
+						}
+					}
+					if (Array.isArray(records.chunks.usedIds)) {
+						compilation.usedChunkIds = new Set(records.chunks.usedIds);
+					}
+				}
+			);
+		});
+	}
+}
+module.exports = RecordIdsPlugin;
diff --git a/node_modules/webpack/lib/RemovedPluginError.js b/node_modules/webpack/lib/RemovedPluginError.js
new file mode 100644
index 00000000..626c3b4f
--- /dev/null
+++ b/node_modules/webpack/lib/RemovedPluginError.js
@@ -0,0 +1,11 @@
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class RemovedPluginError extends WebpackError {
+	constructor(message) {
+		super(message);
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/RequestShortener.js b/node_modules/webpack/lib/RequestShortener.js
new file mode 100644
index 00000000..3d9af000
--- /dev/null
+++ b/node_modules/webpack/lib/RequestShortener.js
@@ -0,0 +1,83 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const NORMALIZE_SLASH_DIRECTION_REGEXP = /\\/g;
+const PATH_CHARS_REGEXP = /[-[\]{}()*+?.,\\^$|#\s]/g;
+const SEPARATOR_REGEXP = /[/\\]$/;
+const FRONT_OR_BACK_BANG_REGEXP = /^!|!$/g;
+const INDEX_JS_REGEXP = /\/index.js(!|\?|\(query\))/g;
+const MATCH_RESOURCE_REGEXP = /!=!/;
+
+const normalizeBackSlashDirection = request => {
+	return request.replace(NORMALIZE_SLASH_DIRECTION_REGEXP, "/");
+};
+
+const createRegExpForPath = path => {
+	const regexpTypePartial = path.replace(PATH_CHARS_REGEXP, "\\$&");
+	return new RegExp(`(^|!)${regexpTypePartial}`, "g");
+};
+
+class RequestShortener {
+	constructor(directory) {
+		directory = normalizeBackSlashDirection(directory);
+		if (SEPARATOR_REGEXP.test(directory)) {
+			directory = directory.substr(0, directory.length - 1);
+		}
+
+		if (directory) {
+			this.currentDirectoryRegExp = createRegExpForPath(directory);
+		}
+
+		const dirname = path.dirname(directory);
+		const endsWithSeparator = SEPARATOR_REGEXP.test(dirname);
+		const parentDirectory = endsWithSeparator
+			? dirname.substr(0, dirname.length - 1)
+			: dirname;
+		if (parentDirectory && parentDirectory !== directory) {
+			this.parentDirectoryRegExp = createRegExpForPath(`${parentDirectory}/`);
+		}
+
+		if (__dirname.length >= 2) {
+			const buildins = normalizeBackSlashDirection(path.join(__dirname, ".."));
+			const buildinsAsModule =
+				this.currentDirectoryRegExp &&
+				this.currentDirectoryRegExp.test(buildins);
+			this.buildinsAsModule = buildinsAsModule;
+			this.buildinsRegExp = createRegExpForPath(buildins);
+		}
+
+		this.cache = new Map();
+	}
+
+	shorten(request) {
+		if (!request) return request;
+		const cacheEntry = this.cache.get(request);
+		if (cacheEntry !== undefined) {
+			return cacheEntry;
+		}
+		let result = normalizeBackSlashDirection(request);
+		if (this.buildinsAsModule && this.buildinsRegExp) {
+			result = result.replace(this.buildinsRegExp, "!(webpack)");
+		}
+		if (this.currentDirectoryRegExp) {
+			result = result.replace(this.currentDirectoryRegExp, "!.");
+		}
+		if (this.parentDirectoryRegExp) {
+			result = result.replace(this.parentDirectoryRegExp, "!../");
+		}
+		if (!this.buildinsAsModule && this.buildinsRegExp) {
+			result = result.replace(this.buildinsRegExp, "!(webpack)");
+		}
+		result = result.replace(INDEX_JS_REGEXP, "$1");
+		result = result.replace(FRONT_OR_BACK_BANG_REGEXP, "");
+		result = result.replace(MATCH_RESOURCE_REGEXP, " = ");
+		this.cache.set(request, result);
+		return result;
+	}
+}
+
+module.exports = RequestShortener;
diff --git a/node_modules/webpack/lib/RequireJsStuffPlugin.js b/node_modules/webpack/lib/RequireJsStuffPlugin.js
new file mode 100644
index 00000000..632deefc
--- /dev/null
+++ b/node_modules/webpack/lib/RequireJsStuffPlugin.js
@@ -0,0 +1,66 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ParserHelpers = require("./ParserHelpers");
+const ConstDependency = require("./dependencies/ConstDependency");
+const NullFactory = require("./NullFactory");
+
+module.exports = class RequireJsStuffPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"RequireJsStuffPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+				compilation.dependencyTemplates.set(
+					ConstDependency,
+					new ConstDependency.Template()
+				);
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.requireJs !== undefined && !parserOptions.requireJs)
+						return;
+
+					parser.hooks.call
+						.for("require.config")
+						.tap(
+							"RequireJsStuffPlugin",
+							ParserHelpers.toConstantDependency(parser, "undefined")
+						);
+					parser.hooks.call
+						.for("requirejs.config")
+						.tap(
+							"RequireJsStuffPlugin",
+							ParserHelpers.toConstantDependency(parser, "undefined")
+						);
+
+					parser.hooks.expression
+						.for("require.version")
+						.tap(
+							"RequireJsStuffPlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("0.0.0")
+							)
+						);
+					parser.hooks.expression
+						.for("requirejs.onError")
+						.tap(
+							"RequireJsStuffPlugin",
+							ParserHelpers.toConstantDependencyWithWebpackRequire(
+								parser,
+								"__webpack_require__.oe"
+							)
+						);
+				};
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("RequireJsStuffPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("RequireJsStuffPlugin", handler);
+			}
+		);
+	}
+};
diff --git a/node_modules/webpack/lib/ResolverFactory.js b/node_modules/webpack/lib/ResolverFactory.js
new file mode 100644
index 00000000..71662574
--- /dev/null
+++ b/node_modules/webpack/lib/ResolverFactory.js
@@ -0,0 +1,74 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+"use strict";
+
+const { Tapable, HookMap, SyncHook, SyncWaterfallHook } = require("tapable");
+const Factory = require("enhanced-resolve").ResolverFactory;
+const { cachedCleverMerge } = require("./util/cleverMerge");
+
+/** @typedef {import("enhanced-resolve").Resolver} Resolver */
+
+const EMTPY_RESOLVE_OPTIONS = {};
+
+module.exports = class ResolverFactory extends Tapable {
+	constructor() {
+		super();
+		this.hooks = {
+			resolveOptions: new HookMap(
+				() => new SyncWaterfallHook(["resolveOptions"])
+			),
+			resolver: new HookMap(() => new SyncHook(["resolver", "resolveOptions"]))
+		};
+		this._pluginCompat.tap("ResolverFactory", options => {
+			let match;
+			match = /^resolve-options (.+)$/.exec(options.name);
+			if (match) {
+				this.hooks.resolveOptions
+					.for(match[1])
+					.tap(options.fn.name || "unnamed compat plugin", options.fn);
+				return true;
+			}
+			match = /^resolver (.+)$/.exec(options.name);
+			if (match) {
+				this.hooks.resolver
+					.for(match[1])
+					.tap(options.fn.name || "unnamed compat plugin", options.fn);
+				return true;
+			}
+		});
+		this.cache2 = new Map();
+	}
+
+	get(type, resolveOptions) {
+		resolveOptions = resolveOptions || EMTPY_RESOLVE_OPTIONS;
+		const ident = `${type}|${JSON.stringify(resolveOptions)}`;
+		const resolver = this.cache2.get(ident);
+		if (resolver) return resolver;
+		const newResolver = this._create(type, resolveOptions);
+		this.cache2.set(ident, newResolver);
+		return newResolver;
+	}
+
+	_create(type, resolveOptions) {
+		const originalResolveOptions = Object.assign({}, resolveOptions);
+		resolveOptions = this.hooks.resolveOptions.for(type).call(resolveOptions);
+		const resolver = Factory.createResolver(resolveOptions);
+		if (!resolver) {
+			throw new Error("No resolver created");
+		}
+		/** @type {Map<Object, Resolver>} */
+		const childCache = new Map();
+		resolver.withOptions = options => {
+			const cacheEntry = childCache.get(options);
+			if (cacheEntry !== undefined) return cacheEntry;
+			const mergedOptions = cachedCleverMerge(originalResolveOptions, options);
+			const resolver = this.get(type, mergedOptions);
+			childCache.set(options, resolver);
+			return resolver;
+		};
+		this.hooks.resolver.for(type).call(resolver, resolveOptions);
+		return resolver;
+	}
+};
diff --git a/node_modules/webpack/lib/RuleSet.js b/node_modules/webpack/lib/RuleSet.js
new file mode 100644
index 00000000..7ed8eba6
--- /dev/null
+++ b/node_modules/webpack/lib/RuleSet.js
@@ -0,0 +1,567 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/*
+<rules>: <rule>
+<rules>: [<rule>]
+<rule>: {
+	resource: {
+		test: <condition>,
+		include: <condition>,
+		exclude: <condition>,
+	},
+	resource: <condition>, -> resource.test
+	test: <condition>, -> resource.test
+	include: <condition>, -> resource.include
+	exclude: <condition>, -> resource.exclude
+	resourceQuery: <condition>,
+	compiler: <condition>,
+	issuer: <condition>,
+	use: "loader", -> use[0].loader
+	loader: <>, -> use[0].loader
+	loaders: <>, -> use
+	options: {}, -> use[0].options,
+	query: {}, -> options
+	parser: {},
+	use: [
+		"loader" -> use[x].loader
+	],
+	use: [
+		{
+			loader: "loader",
+			options: {}
+		}
+	],
+	rules: [
+		<rule>
+	],
+	oneOf: [
+		<rule>
+	]
+}
+
+<condition>: /regExp/
+<condition>: function(arg) {}
+<condition>: "starting"
+<condition>: [<condition>] // or
+<condition>: { and: [<condition>] }
+<condition>: { or: [<condition>] }
+<condition>: { not: [<condition>] }
+<condition>: { test: <condition>, include: <condition>, exclude: <condition> }
+
+
+normalized:
+
+{
+	resource: function(),
+	resourceQuery: function(),
+	compiler: function(),
+	issuer: function(),
+	use: [
+		{
+			loader: string,
+			options: string,
+			<any>: <any>
+		}
+	],
+	rules: [<rule>],
+	oneOf: [<rule>],
+	<any>: <any>,
+}
+
+*/
+
+"use strict";
+
+const notMatcher = matcher => {
+	return str => {
+		return !matcher(str);
+	};
+};
+
+const orMatcher = items => {
+	return str => {
+		for (let i = 0; i < items.length; i++) {
+			if (items[i](str)) return true;
+		}
+		return false;
+	};
+};
+
+const andMatcher = items => {
+	return str => {
+		for (let i = 0; i < items.length; i++) {
+			if (!items[i](str)) return false;
+		}
+		return true;
+	};
+};
+
+module.exports = class RuleSet {
+	constructor(rules) {
+		this.references = Object.create(null);
+		this.rules = RuleSet.normalizeRules(rules, this.references, "ref-");
+	}
+
+	static normalizeRules(rules, refs, ident) {
+		if (Array.isArray(rules)) {
+			return rules.map((rule, idx) => {
+				return RuleSet.normalizeRule(rule, refs, `${ident}-${idx}`);
+			});
+		} else if (rules) {
+			return [RuleSet.normalizeRule(rules, refs, ident)];
+		} else {
+			return [];
+		}
+	}
+
+	static normalizeRule(rule, refs, ident) {
+		if (typeof rule === "string") {
+			return {
+				use: [
+					{
+						loader: rule
+					}
+				]
+			};
+		}
+		if (!rule) {
+			throw new Error("Unexcepted null when object was expected as rule");
+		}
+		if (typeof rule !== "object") {
+			throw new Error(
+				"Unexcepted " +
+					typeof rule +
+					" when object was expected as rule (" +
+					rule +
+					")"
+			);
+		}
+
+		const newRule = {};
+		let useSource;
+		let resourceSource;
+		let condition;
+
+		const checkUseSource = newSource => {
+			if (useSource && useSource !== newSource) {
+				throw new Error(
+					RuleSet.buildErrorMessage(
+						rule,
+						new Error(
+							"Rule can only have one result source (provided " +
+								newSource +
+								" and " +
+								useSource +
+								")"
+						)
+					)
+				);
+			}
+			useSource = newSource;
+		};
+
+		const checkResourceSource = newSource => {
+			if (resourceSource && resourceSource !== newSource) {
+				throw new Error(
+					RuleSet.buildErrorMessage(
+						rule,
+						new Error(
+							"Rule can only have one resource source (provided " +
+								newSource +
+								" and " +
+								resourceSource +
+								")"
+						)
+					)
+				);
+			}
+			resourceSource = newSource;
+		};
+
+		if (rule.test || rule.include || rule.exclude) {
+			checkResourceSource("test + include + exclude");
+			condition = {
+				test: rule.test,
+				include: rule.include,
+				exclude: rule.exclude
+			};
+			try {
+				newRule.resource = RuleSet.normalizeCondition(condition);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(condition, error));
+			}
+		}
+
+		if (rule.resource) {
+			checkResourceSource("resource");
+			try {
+				newRule.resource = RuleSet.normalizeCondition(rule.resource);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(rule.resource, error));
+			}
+		}
+
+		if (rule.realResource) {
+			try {
+				newRule.realResource = RuleSet.normalizeCondition(rule.realResource);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(rule.realResource, error));
+			}
+		}
+
+		if (rule.resourceQuery) {
+			try {
+				newRule.resourceQuery = RuleSet.normalizeCondition(rule.resourceQuery);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(rule.resourceQuery, error));
+			}
+		}
+
+		if (rule.compiler) {
+			try {
+				newRule.compiler = RuleSet.normalizeCondition(rule.compiler);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(rule.compiler, error));
+			}
+		}
+
+		if (rule.issuer) {
+			try {
+				newRule.issuer = RuleSet.normalizeCondition(rule.issuer);
+			} catch (error) {
+				throw new Error(RuleSet.buildErrorMessage(rule.issuer, error));
+			}
+		}
+
+		if (rule.loader && rule.loaders) {
+			throw new Error(
+				RuleSet.buildErrorMessage(
+					rule,
+					new Error(
+						"Provided loader and loaders for rule (use only one of them)"
+					)
+				)
+			);
+		}
+
+		const loader = rule.loaders || rule.loader;
+		if (typeof loader === "string" && !rule.options && !rule.query) {
+			checkUseSource("loader");
+			newRule.use = RuleSet.normalizeUse(loader.split("!"), ident);
+		} else if (typeof loader === "string" && (rule.options || rule.query)) {
+			checkUseSource("loader + options/query");
+			newRule.use = RuleSet.normalizeUse(
+				{
+					loader: loader,
+					options: rule.options,
+					query: rule.query
+				},
+				ident
+			);
+		} else if (loader && (rule.options || rule.query)) {
+			throw new Error(
+				RuleSet.buildErrorMessage(
+					rule,
+					new Error(
+						"options/query cannot be used with loaders (use options for each array item)"
+					)
+				)
+			);
+		} else if (loader) {
+			checkUseSource("loaders");
+			newRule.use = RuleSet.normalizeUse(loader, ident);
+		} else if (rule.options || rule.query) {
+			throw new Error(
+				RuleSet.buildErrorMessage(
+					rule,
+					new Error(
+						"options/query provided without loader (use loader + options)"
+					)
+				)
+			);
+		}
+
+		if (rule.use) {
+			checkUseSource("use");
+			newRule.use = RuleSet.normalizeUse(rule.use, ident);
+		}
+
+		if (rule.rules) {
+			newRule.rules = RuleSet.normalizeRules(
+				rule.rules,
+				refs,
+				`${ident}-rules`
+			);
+		}
+
+		if (rule.oneOf) {
+			newRule.oneOf = RuleSet.normalizeRules(
+				rule.oneOf,
+				refs,
+				`${ident}-oneOf`
+			);
+		}
+
+		const keys = Object.keys(rule).filter(key => {
+			return ![
+				"resource",
+				"resourceQuery",
+				"compiler",
+				"test",
+				"include",
+				"exclude",
+				"issuer",
+				"loader",
+				"options",
+				"query",
+				"loaders",
+				"use",
+				"rules",
+				"oneOf"
+			].includes(key);
+		});
+		for (const key of keys) {
+			newRule[key] = rule[key];
+		}
+
+		if (Array.isArray(newRule.use)) {
+			for (const item of newRule.use) {
+				if (item.ident) {
+					refs[item.ident] = item.options;
+				}
+			}
+		}
+
+		return newRule;
+	}
+
+	static buildErrorMessage(condition, error) {
+		const conditionAsText = JSON.stringify(
+			condition,
+			(key, value) => {
+				return value === undefined ? "undefined" : value;
+			},
+			2
+		);
+		return error.message + " in " + conditionAsText;
+	}
+
+	static normalizeUse(use, ident) {
+		if (typeof use === "function") {
+			return data => RuleSet.normalizeUse(use(data), ident);
+		}
+		if (Array.isArray(use)) {
+			return use
+				.map((item, idx) => RuleSet.normalizeUse(item, `${ident}-${idx}`))
+				.reduce((arr, items) => arr.concat(items), []);
+		}
+		return [RuleSet.normalizeUseItem(use, ident)];
+	}
+
+	static normalizeUseItemString(useItemString) {
+		const idx = useItemString.indexOf("?");
+		if (idx >= 0) {
+			return {
+				loader: useItemString.substr(0, idx),
+				options: useItemString.substr(idx + 1)
+			};
+		}
+		return {
+			loader: useItemString,
+			options: undefined
+		};
+	}
+
+	static normalizeUseItem(item, ident) {
+		if (typeof item === "string") {
+			return RuleSet.normalizeUseItemString(item);
+		}
+
+		const newItem = {};
+
+		if (item.options && item.query) {
+			throw new Error("Provided options and query in use");
+		}
+
+		if (!item.loader) {
+			throw new Error("No loader specified");
+		}
+
+		newItem.options = item.options || item.query;
+
+		if (typeof newItem.options === "object" && newItem.options) {
+			if (newItem.options.ident) {
+				newItem.ident = newItem.options.ident;
+			} else {
+				newItem.ident = ident;
+			}
+		}
+
+		const keys = Object.keys(item).filter(function(key) {
+			return !["options", "query"].includes(key);
+		});
+
+		for (const key of keys) {
+			newItem[key] = item[key];
+		}
+
+		return newItem;
+	}
+
+	static normalizeCondition(condition) {
+		if (!condition) throw new Error("Expected condition but got falsy value");
+		if (typeof condition === "string") {
+			return str => str.indexOf(condition) === 0;
+		}
+		if (typeof condition === "function") {
+			return condition;
+		}
+		if (condition instanceof RegExp) {
+			return condition.test.bind(condition);
+		}
+		if (Array.isArray(condition)) {
+			const items = condition.map(c => RuleSet.normalizeCondition(c));
+			return orMatcher(items);
+		}
+		if (typeof condition !== "object") {
+			throw Error(
+				"Unexcepted " +
+					typeof condition +
+					" when condition was expected (" +
+					condition +
+					")"
+			);
+		}
+
+		const matchers = [];
+		Object.keys(condition).forEach(key => {
+			const value = condition[key];
+			switch (key) {
+				case "or":
+				case "include":
+				case "test":
+					if (value) matchers.push(RuleSet.normalizeCondition(value));
+					break;
+				case "and":
+					if (value) {
+						const items = value.map(c => RuleSet.normalizeCondition(c));
+						matchers.push(andMatcher(items));
+					}
+					break;
+				case "not":
+				case "exclude":
+					if (value) {
+						const matcher = RuleSet.normalizeCondition(value);
+						matchers.push(notMatcher(matcher));
+					}
+					break;
+				default:
+					throw new Error("Unexcepted property " + key + " in condition");
+			}
+		});
+		if (matchers.length === 0) {
+			throw new Error("Excepted condition but got " + condition);
+		}
+		if (matchers.length === 1) {
+			return matchers[0];
+		}
+		return andMatcher(matchers);
+	}
+
+	exec(data) {
+		const result = [];
+		this._run(
+			data,
+			{
+				rules: this.rules
+			},
+			result
+		);
+		return result;
+	}
+
+	_run(data, rule, result) {
+		// test conditions
+		if (rule.resource && !data.resource) return false;
+		if (rule.realResource && !data.realResource) return false;
+		if (rule.resourceQuery && !data.resourceQuery) return false;
+		if (rule.compiler && !data.compiler) return false;
+		if (rule.issuer && !data.issuer) return false;
+		if (rule.resource && !rule.resource(data.resource)) return false;
+		if (rule.realResource && !rule.realResource(data.realResource))
+			return false;
+		if (data.issuer && rule.issuer && !rule.issuer(data.issuer)) return false;
+		if (
+			data.resourceQuery &&
+			rule.resourceQuery &&
+			!rule.resourceQuery(data.resourceQuery)
+		) {
+			return false;
+		}
+		if (data.compiler && rule.compiler && !rule.compiler(data.compiler)) {
+			return false;
+		}
+
+		// apply
+		const keys = Object.keys(rule).filter(key => {
+			return ![
+				"resource",
+				"realResource",
+				"resourceQuery",
+				"compiler",
+				"issuer",
+				"rules",
+				"oneOf",
+				"use",
+				"enforce"
+			].includes(key);
+		});
+		for (const key of keys) {
+			result.push({
+				type: key,
+				value: rule[key]
+			});
+		}
+
+		if (rule.use) {
+			const process = use => {
+				if (typeof use === "function") {
+					process(use(data));
+				} else if (Array.isArray(use)) {
+					use.forEach(process);
+				} else {
+					result.push({
+						type: "use",
+						value: use,
+						enforce: rule.enforce
+					});
+				}
+			};
+			process(rule.use);
+		}
+
+		if (rule.rules) {
+			for (let i = 0; i < rule.rules.length; i++) {
+				this._run(data, rule.rules[i], result);
+			}
+		}
+
+		if (rule.oneOf) {
+			for (let i = 0; i < rule.oneOf.length; i++) {
+				if (this._run(data, rule.oneOf[i], result)) break;
+			}
+		}
+
+		return true;
+	}
+
+	findOptionsByIdent(ident) {
+		const options = this.references[ident];
+		if (!options) {
+			throw new Error("Can't find options with ident '" + ident + "'");
+		}
+		return options;
+	}
+};
diff --git a/node_modules/webpack/lib/RuntimeTemplate.js b/node_modules/webpack/lib/RuntimeTemplate.js
new file mode 100644
index 00000000..613aed1c
--- /dev/null
+++ b/node_modules/webpack/lib/RuntimeTemplate.js
@@ -0,0 +1,336 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("./Template");
+
+/** @typedef {import("./Module")} Module */
+
+module.exports = class RuntimeTemplate {
+	constructor(outputOptions, requestShortener) {
+		this.outputOptions = outputOptions || {};
+		this.requestShortener = requestShortener;
+	}
+
+	/**
+	 * Add a comment
+	 * @param {object} options Information content of the comment
+	 * @param {string=} options.request request string used originally
+	 * @param {string=} options.chunkName name of the chunk referenced
+	 * @param {string=} options.chunkReason reason information of the chunk
+	 * @param {string=} options.message additional message
+	 * @param {string=} options.exportName name of the export
+	 * @returns {string} comment
+	 */
+	comment({ request, chunkName, chunkReason, message, exportName }) {
+		let content;
+		if (this.outputOptions.pathinfo) {
+			content = [message, request, chunkName, chunkReason]
+				.filter(Boolean)
+				.map(item => this.requestShortener.shorten(item))
+				.join(" | ");
+		} else {
+			content = [message, chunkName, chunkReason]
+				.filter(Boolean)
+				.map(item => this.requestShortener.shorten(item))
+				.join(" | ");
+		}
+		if (!content) return "";
+		if (this.outputOptions.pathinfo) {
+			return Template.toComment(content) + " ";
+		} else {
+			return Template.toNormalComment(content) + " ";
+		}
+	}
+
+	throwMissingModuleErrorFunction({ request }) {
+		const err = `Cannot find module '${request}'`;
+		return `function webpackMissingModule() { var e = new Error(${JSON.stringify(
+			err
+		)}); e.code = 'MODULE_NOT_FOUND'; throw e; }`;
+	}
+
+	missingModule({ request }) {
+		return `!(${this.throwMissingModuleErrorFunction({ request })}())`;
+	}
+
+	missingModuleStatement({ request }) {
+		return `${this.missingModule({ request })};\n`;
+	}
+
+	missingModulePromise({ request }) {
+		return `Promise.resolve().then(${this.throwMissingModuleErrorFunction({
+			request
+		})})`;
+	}
+
+	moduleId({ module, request }) {
+		if (!module) {
+			return this.missingModule({
+				request
+			});
+		}
+		if (module.id === null) {
+			throw new Error(
+				`RuntimeTemplate.moduleId(): Module ${module.identifier()} has no id. This should not happen.`
+			);
+		}
+		return `${this.comment({ request })}${JSON.stringify(module.id)}`;
+	}
+
+	moduleRaw({ module, request }) {
+		if (!module) {
+			return this.missingModule({
+				request
+			});
+		}
+		return `__webpack_require__(${this.moduleId({ module, request })})`;
+	}
+
+	moduleExports({ module, request }) {
+		return this.moduleRaw({
+			module,
+			request
+		});
+	}
+
+	moduleNamespace({ module, request, strict }) {
+		if (!module) {
+			return this.missingModule({
+				request
+			});
+		}
+		const moduleId = this.moduleId({
+			module,
+			request
+		});
+		const exportsType = module.buildMeta && module.buildMeta.exportsType;
+		if (exportsType === "namespace") {
+			const rawModule = this.moduleRaw({
+				module,
+				request
+			});
+			return rawModule;
+		} else if (exportsType === "named") {
+			return `__webpack_require__.t(${moduleId}, 3)`;
+		} else if (strict) {
+			return `__webpack_require__.t(${moduleId}, 1)`;
+		} else {
+			return `__webpack_require__.t(${moduleId}, 7)`;
+		}
+	}
+
+	moduleNamespacePromise({ block, module, request, message, strict, weak }) {
+		if (!module) {
+			return this.missingModulePromise({
+				request
+			});
+		}
+		if (module.id === null) {
+			throw new Error(
+				`RuntimeTemplate.moduleNamespacePromise(): Module ${module.identifier()} has no id. This should not happen.`
+			);
+		}
+		const promise = this.blockPromise({
+			block,
+			message
+		});
+
+		let getModuleFunction;
+		let idExpr = JSON.stringify(module.id);
+		const comment = this.comment({
+			request
+		});
+		let header = "";
+		if (weak) {
+			if (idExpr.length > 8) {
+				// 'var x="nnnnnn";x,"+x+",x' vs '"nnnnnn",nnnnnn,"nnnnnn"'
+				header += `var id = ${idExpr}; `;
+				idExpr = "id";
+			}
+			header += `if(!__webpack_require__.m[${idExpr}]) { var e = new Error("Module '" + ${idExpr} + "' is not available (weak dependency)"); e.code = 'MODULE_NOT_FOUND'; throw e; } `;
+		}
+		const moduleId = this.moduleId({
+			module,
+			request
+		});
+		const exportsType = module.buildMeta && module.buildMeta.exportsType;
+		if (exportsType === "namespace") {
+			if (header) {
+				const rawModule = this.moduleRaw({
+					module,
+					request
+				});
+				getModuleFunction = `function() { ${header}return ${rawModule}; }`;
+			} else {
+				getModuleFunction = `__webpack_require__.bind(null, ${comment}${idExpr})`;
+			}
+		} else if (exportsType === "named") {
+			if (header) {
+				getModuleFunction = `function() { ${header}return __webpack_require__.t(${moduleId}, 3); }`;
+			} else {
+				getModuleFunction = `__webpack_require__.t.bind(null, ${comment}${idExpr}, 3)`;
+			}
+		} else if (strict) {
+			if (header) {
+				getModuleFunction = `function() { ${header}return __webpack_require__.t(${moduleId}, 1); }`;
+			} else {
+				getModuleFunction = `__webpack_require__.t.bind(null, ${comment}${idExpr}, 1)`;
+			}
+		} else {
+			if (header) {
+				getModuleFunction = `function() { ${header}return __webpack_require__.t(${moduleId}, 7); }`;
+			} else {
+				getModuleFunction = `__webpack_require__.t.bind(null, ${comment}${idExpr}, 7)`;
+			}
+		}
+
+		return `${promise || "Promise.resolve()"}.then(${getModuleFunction})`;
+	}
+
+	/**
+	 *
+	 * @param {Object} options options object
+	 * @param {boolean=} options.update whether a new variable should be created or the existing one updated
+	 * @param {Module} options.module the module
+	 * @param {string} options.request the request that should be printed as comment
+	 * @param {string} options.importVar name of the import variable
+	 * @param {Module} options.originModule module in which the statement is emitted
+	 * @returns {string} the import statement
+	 */
+	importStatement({ update, module, request, importVar, originModule }) {
+		if (!module) {
+			return this.missingModuleStatement({
+				request
+			});
+		}
+		const moduleId = this.moduleId({
+			module,
+			request
+		});
+		const optDeclaration = update ? "" : "var ";
+
+		const exportsType = module.buildMeta && module.buildMeta.exportsType;
+		let content = `/* harmony import */ ${optDeclaration}${importVar} = __webpack_require__(${moduleId});\n`;
+
+		if (!exportsType && !originModule.buildMeta.strictHarmonyModule) {
+			content += `/* harmony import */ ${optDeclaration}${importVar}_default = /*#__PURE__*/__webpack_require__.n(${importVar});\n`;
+		}
+		if (exportsType === "named") {
+			if (Array.isArray(module.buildMeta.providedExports)) {
+				content += `${optDeclaration}${importVar}_namespace = /*#__PURE__*/__webpack_require__.t(${moduleId}, 1);\n`;
+			} else {
+				content += `${optDeclaration}${importVar}_namespace = /*#__PURE__*/__webpack_require__.t(${moduleId});\n`;
+			}
+		}
+		return content;
+	}
+
+	exportFromImport({
+		module,
+		request,
+		exportName,
+		originModule,
+		asiSafe,
+		isCall,
+		callContext,
+		importVar
+	}) {
+		if (!module) {
+			return this.missingModule({
+				request
+			});
+		}
+		const exportsType = module.buildMeta && module.buildMeta.exportsType;
+
+		if (!exportsType) {
+			if (exportName === "default") {
+				if (!originModule.buildMeta.strictHarmonyModule) {
+					if (isCall) {
+						return `${importVar}_default()`;
+					} else if (asiSafe) {
+						return `(${importVar}_default())`;
+					} else {
+						return `${importVar}_default.a`;
+					}
+				} else {
+					return importVar;
+				}
+			} else if (originModule.buildMeta.strictHarmonyModule) {
+				if (exportName) {
+					return "/* non-default import from non-esm module */undefined";
+				} else {
+					return `/*#__PURE__*/__webpack_require__.t(${importVar})`;
+				}
+			}
+		}
+
+		if (exportsType === "named") {
+			if (exportName === "default") {
+				return importVar;
+			} else if (!exportName) {
+				return `${importVar}_namespace`;
+			}
+		}
+
+		if (exportName) {
+			const used = module.isUsed(exportName);
+			if (!used) {
+				const comment = Template.toNormalComment(`unused export ${exportName}`);
+				return `${comment} undefined`;
+			}
+			const comment =
+				used !== exportName ? Template.toNormalComment(exportName) + " " : "";
+			const access = `${importVar}[${comment}${JSON.stringify(used)}]`;
+			if (isCall) {
+				if (callContext === false && asiSafe) {
+					return `(0,${access})`;
+				} else if (callContext === false) {
+					return `Object(${access})`;
+				}
+			}
+			return access;
+		} else {
+			return importVar;
+		}
+	}
+
+	blockPromise({ block, message }) {
+		if (!block || !block.chunkGroup || block.chunkGroup.chunks.length === 0) {
+			const comment = this.comment({
+				message
+			});
+			return `Promise.resolve(${comment.trim()})`;
+		}
+		const chunks = block.chunkGroup.chunks.filter(
+			chunk => !chunk.hasRuntime() && chunk.id !== null
+		);
+		const comment = this.comment({
+			message,
+			chunkName: block.chunkName,
+			chunkReason: block.chunkReason
+		});
+		if (chunks.length === 1) {
+			const chunkId = JSON.stringify(chunks[0].id);
+			return `__webpack_require__.e(${comment}${chunkId})`;
+		} else if (chunks.length > 0) {
+			const requireChunkId = chunk =>
+				`__webpack_require__.e(${JSON.stringify(chunk.id)})`;
+			return `Promise.all(${comment.trim()}[${chunks
+				.map(requireChunkId)
+				.join(", ")}])`;
+		} else {
+			return `Promise.resolve(${comment.trim()})`;
+		}
+	}
+
+	onError() {
+		return "__webpack_require__.oe";
+	}
+
+	defineEsModuleFlagStatement({ exportsArgument }) {
+		return `__webpack_require__.r(${exportsArgument});\n`;
+	}
+};
diff --git a/node_modules/webpack/lib/SetVarMainTemplatePlugin.js b/node_modules/webpack/lib/SetVarMainTemplatePlugin.js
new file mode 100644
index 00000000..63db2821
--- /dev/null
+++ b/node_modules/webpack/lib/SetVarMainTemplatePlugin.js
@@ -0,0 +1,69 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+/** @typedef {import("./Compilation")} Compilation */
+
+class SetVarMainTemplatePlugin {
+	/**
+	 * @param {string} varExpression the accessor where the library is exported
+	 * @param {boolean} copyObject specify copying the exports
+	 */
+	constructor(varExpression, copyObject) {
+		/** @type {string} */
+		this.varExpression = varExpression;
+		/** @type {boolean} */
+		this.copyObject = copyObject;
+	}
+
+	/**
+	 * @param {Compilation} compilation the compilation instance
+	 * @returns {void}
+	 */
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			const varExpression = mainTemplate.getAssetPath(this.varExpression, {
+				hash,
+				chunk
+			});
+			if (this.copyObject) {
+				return new ConcatSource(
+					`(function(e, a) { for(var i in a) e[i] = a[i]; }(${varExpression}, `,
+					source,
+					"))"
+				);
+			} else {
+				const prefix = `${varExpression} =\n`;
+				return new ConcatSource(prefix, source);
+			}
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"SetVarMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.globalHashPaths.tap(
+			"SetVarMainTemplatePlugin",
+			paths => {
+				if (this.varExpression) paths.push(this.varExpression);
+				return paths;
+			}
+		);
+		mainTemplate.hooks.hash.tap("SetVarMainTemplatePlugin", hash => {
+			hash.update("set var");
+			hash.update(`${this.varExpression}`);
+			hash.update(`${this.copyObject}`);
+		});
+	}
+}
+
+module.exports = SetVarMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/SingleEntryPlugin.js b/node_modules/webpack/lib/SingleEntryPlugin.js
new file mode 100644
index 00000000..4a1703b1
--- /dev/null
+++ b/node_modules/webpack/lib/SingleEntryPlugin.js
@@ -0,0 +1,63 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class SingleEntryPlugin {
+	/**
+	 * An entry plugin which will handle
+	 * creation of the SingleEntryDependency
+	 *
+	 * @param {string} context context path
+	 * @param {string} entry entry path
+	 * @param {string} name entry key name
+	 */
+	constructor(context, entry, name) {
+		this.context = context;
+		this.entry = entry;
+		this.name = name;
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"SingleEntryPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					SingleEntryDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.make.tapAsync(
+			"SingleEntryPlugin",
+			(compilation, callback) => {
+				const { entry, name, context } = this;
+
+				const dep = SingleEntryPlugin.createDependency(entry, name);
+				compilation.addEntry(context, dep, name, callback);
+			}
+		);
+	}
+
+	/**
+	 * @param {string} entry entry request
+	 * @param {string} name entry name
+	 * @returns {SingleEntryDependency} the dependency
+	 */
+	static createDependency(entry, name) {
+		const dep = new SingleEntryDependency(entry);
+		dep.loc = { name };
+		return dep;
+	}
+}
+
+module.exports = SingleEntryPlugin;
diff --git a/node_modules/webpack/lib/SizeFormatHelpers.js b/node_modules/webpack/lib/SizeFormatHelpers.js
new file mode 100644
index 00000000..c4677f60
--- /dev/null
+++ b/node_modules/webpack/lib/SizeFormatHelpers.js
@@ -0,0 +1,24 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const SizeFormatHelpers = exports;
+
+SizeFormatHelpers.formatSize = size => {
+	if (typeof size !== "number" || Number.isNaN(size) === true) {
+		return "unknown size";
+	}
+
+	if (size <= 0) {
+		return "0 bytes";
+	}
+
+	const abbreviations = ["bytes", "KiB", "MiB", "GiB"];
+	const index = Math.floor(Math.log(size) / Math.log(1024));
+
+	return `${+(size / Math.pow(1024, index)).toPrecision(3)} ${
+		abbreviations[index]
+	}`;
+};
diff --git a/node_modules/webpack/lib/SourceMapDevToolModuleOptionsPlugin.js b/node_modules/webpack/lib/SourceMapDevToolModuleOptionsPlugin.js
new file mode 100644
index 00000000..e593ced7
--- /dev/null
+++ b/node_modules/webpack/lib/SourceMapDevToolModuleOptionsPlugin.js
@@ -0,0 +1,49 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+
+class SourceMapDevToolModuleOptionsPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compilation) {
+		const options = this.options;
+		if (options.module !== false) {
+			compilation.hooks.buildModule.tap(
+				"SourceMapDevToolModuleOptionsPlugin",
+				module => {
+					module.useSourceMap = true;
+				}
+			);
+		}
+		if (options.lineToLine === true) {
+			compilation.hooks.buildModule.tap(
+				"SourceMapDevToolModuleOptionsPlugin",
+				module => {
+					module.lineToLine = true;
+				}
+			);
+		} else if (options.lineToLine) {
+			compilation.hooks.buildModule.tap(
+				"SourceMapDevToolModuleOptionsPlugin",
+				module => {
+					if (!module.resource) return;
+					let resourcePath = module.resource;
+					const idx = resourcePath.indexOf("?");
+					if (idx >= 0) resourcePath = resourcePath.substr(0, idx);
+					module.lineToLine = ModuleFilenameHelpers.matchObject(
+						options.lineToLine,
+						resourcePath
+					);
+				}
+			);
+		}
+	}
+}
+
+module.exports = SourceMapDevToolModuleOptionsPlugin;
diff --git a/node_modules/webpack/lib/SourceMapDevToolPlugin.js b/node_modules/webpack/lib/SourceMapDevToolPlugin.js
new file mode 100644
index 00000000..3018eb25
--- /dev/null
+++ b/node_modules/webpack/lib/SourceMapDevToolPlugin.js
@@ -0,0 +1,418 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const { ConcatSource, RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
+const createHash = require("./util/createHash");
+const { absolutify } = require("./util/identifier");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/SourceMapDevToolPlugin.json");
+
+/** @typedef {import("../declarations/plugins/SourceMapDevToolPlugin").SourceMapDevToolPluginOptions} SourceMapDevToolPluginOptions */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("source-map").RawSourceMap} SourceMap */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Compilation")} Compilation */
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Compilation")} SourceMapDefinition */
+
+/**
+ * @typedef {object} SourceMapTask
+ * @property {Source} asset
+ * @property {Array<string | Module>} [modules]
+ * @property {string} source
+ * @property {string} file
+ * @property {SourceMap} sourceMap
+ * @property {Chunk} chunk
+ */
+
+/**
+ * @param {string} name file path
+ * @returns {string} file name
+ */
+const basename = name => {
+	if (!name.includes("/")) return name;
+	return name.substr(name.lastIndexOf("/") + 1);
+};
+
+/**
+ * @type {WeakMap<Source, {file: string, assets: {[k: string]: ConcatSource | RawSource}}>}
+ */
+const assetsCache = new WeakMap();
+
+/**
+ * Creating {@link SourceMapTask} for given file
+ * @param {string} file current compiled file
+ * @param {Source} asset the asset
+ * @param {Chunk} chunk related chunk
+ * @param {SourceMapDevToolPluginOptions} options source map options
+ * @param {Compilation} compilation compilation instance
+ * @returns {SourceMapTask | undefined} created task instance or `undefined`
+ */
+const getTaskForFile = (file, asset, chunk, options, compilation) => {
+	let source, sourceMap;
+	/**
+	 * Check if asset can build source map
+	 */
+	if (asset.sourceAndMap) {
+		const sourceAndMap = asset.sourceAndMap(options);
+		sourceMap = sourceAndMap.map;
+		source = sourceAndMap.source;
+	} else {
+		sourceMap = asset.map(options);
+		source = asset.source();
+	}
+	if (!sourceMap || typeof source !== "string") return;
+	const context = compilation.options.context;
+	const modules = sourceMap.sources.map(source => {
+		if (source.startsWith("webpack://")) {
+			source = absolutify(context, source.slice(10));
+		}
+		const module = compilation.findModule(source);
+		return module || source;
+	});
+
+	return {
+		chunk,
+		file,
+		asset,
+		source,
+		sourceMap,
+		modules
+	};
+};
+
+class SourceMapDevToolPlugin {
+	/**
+	 * @param {SourceMapDevToolPluginOptions} [options] options object
+	 * @throws {Error} throws error, if got more than 1 arguments
+	 */
+	constructor(options) {
+		if (arguments.length > 1) {
+			throw new Error(
+				"SourceMapDevToolPlugin only takes one argument (pass an options object)"
+			);
+		}
+
+		if (!options) options = {};
+
+		validateOptions(schema, options, "SourceMap DevTool Plugin");
+
+		/** @type {string | false} */
+		this.sourceMapFilename = options.filename;
+		/** @type {string | false} */
+		this.sourceMappingURLComment =
+			options.append === false
+				? false
+				: options.append || "\n//# sourceMappingURL=[url]";
+		/** @type {string | Function} */
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate || "webpack://[namespace]/[resourcePath]";
+		/** @type {string | Function} */
+		this.fallbackModuleFilenameTemplate =
+			options.fallbackModuleFilenameTemplate ||
+			"webpack://[namespace]/[resourcePath]?[hash]";
+		/** @type {string} */
+		this.namespace = options.namespace || "";
+		/** @type {SourceMapDevToolPluginOptions} */
+		this.options = options;
+	}
+
+	/**
+	 * Apply compiler
+	 * @param {Compiler} compiler compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const sourceMapFilename = this.sourceMapFilename;
+		const sourceMappingURLComment = this.sourceMappingURLComment;
+		const moduleFilenameTemplate = this.moduleFilenameTemplate;
+		const namespace = this.namespace;
+		const fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
+		const requestShortener = compiler.requestShortener;
+		const options = this.options;
+		options.test = options.test || /\.(m?js|css)($|\?)/i;
+
+		const matchObject = ModuleFilenameHelpers.matchObject.bind(
+			undefined,
+			options
+		);
+
+		compiler.hooks.compilation.tap("SourceMapDevToolPlugin", compilation => {
+			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
+
+			compilation.hooks.afterOptimizeChunkAssets.tap(
+				/** @type {TODO} */
+				({ name: "SourceMapDevToolPlugin", context: true }),
+				/**
+				 * @param {object} context hook context
+				 * @param {Array<Chunk>} chunks resulted chunks
+				 * @throws {Error} throws error, if `sourceMapFilename === false && sourceMappingURLComment === false`
+				 * @returns {void}
+				 */
+				(context, chunks) => {
+					/** @type {Map<string | Module, string>} */
+					const moduleToSourceNameMapping = new Map();
+					/**
+					 * @type {Function}
+					 * @returns {void}
+					 */
+					const reportProgress =
+						context && context.reportProgress
+							? context.reportProgress
+							: () => {};
+
+					const files = [];
+					for (const chunk of chunks) {
+						for (const file of chunk.files) {
+							if (matchObject(file)) {
+								files.push({
+									file,
+									chunk
+								});
+							}
+						}
+					}
+
+					reportProgress(0.0);
+					const tasks = [];
+					files.forEach(({ file, chunk }, idx) => {
+						const asset = compilation.getAsset(file).source;
+						const cache = assetsCache.get(asset);
+						/**
+						 * If presented in cache, reassigns assets. Cache assets already have source maps.
+						 */
+						if (cache && cache.file === file) {
+							for (const cachedFile in cache.assets) {
+								if (cachedFile === file) {
+									compilation.updateAsset(cachedFile, cache.assets[cachedFile]);
+								} else {
+									compilation.emitAsset(cachedFile, cache.assets[cachedFile], {
+										development: true
+									});
+								}
+								/**
+								 * Add file to chunk, if not presented there
+								 */
+								if (cachedFile !== file) chunk.files.push(cachedFile);
+							}
+							return;
+						}
+
+						reportProgress(
+							(0.5 * idx) / files.length,
+							file,
+							"generate SourceMap"
+						);
+						/** @type {SourceMapTask | undefined} */
+						const task = getTaskForFile(
+							file,
+							asset,
+							chunk,
+							options,
+							compilation
+						);
+
+						if (task) {
+							const modules = task.modules;
+
+							for (let idx = 0; idx < modules.length; idx++) {
+								const module = modules[idx];
+								if (!moduleToSourceNameMapping.get(module)) {
+									moduleToSourceNameMapping.set(
+										module,
+										ModuleFilenameHelpers.createFilename(
+											module,
+											{
+												moduleFilenameTemplate: moduleFilenameTemplate,
+												namespace: namespace
+											},
+											requestShortener
+										)
+									);
+								}
+							}
+
+							tasks.push(task);
+						}
+					});
+
+					reportProgress(0.5, "resolve sources");
+					/** @type {Set<string>} */
+					const usedNamesSet = new Set(moduleToSourceNameMapping.values());
+					/** @type {Set<string>} */
+					const conflictDetectionSet = new Set();
+
+					/**
+					 * all modules in defined order (longest identifier first)
+					 * @type {Array<string | Module>}
+					 */
+					const allModules = Array.from(moduleToSourceNameMapping.keys()).sort(
+						(a, b) => {
+							const ai = typeof a === "string" ? a : a.identifier();
+							const bi = typeof b === "string" ? b : b.identifier();
+							return ai.length - bi.length;
+						}
+					);
+
+					// find modules with conflicting source names
+					for (let idx = 0; idx < allModules.length; idx++) {
+						const module = allModules[idx];
+						let sourceName = moduleToSourceNameMapping.get(module);
+						let hasName = conflictDetectionSet.has(sourceName);
+						if (!hasName) {
+							conflictDetectionSet.add(sourceName);
+							continue;
+						}
+
+						// try the fallback name first
+						sourceName = ModuleFilenameHelpers.createFilename(
+							module,
+							{
+								moduleFilenameTemplate: fallbackModuleFilenameTemplate,
+								namespace: namespace
+							},
+							requestShortener
+						);
+						hasName = usedNamesSet.has(sourceName);
+						if (!hasName) {
+							moduleToSourceNameMapping.set(module, sourceName);
+							usedNamesSet.add(sourceName);
+							continue;
+						}
+
+						// elsewise just append stars until we have a valid name
+						while (hasName) {
+							sourceName += "*";
+							hasName = usedNamesSet.has(sourceName);
+						}
+						moduleToSourceNameMapping.set(module, sourceName);
+						usedNamesSet.add(sourceName);
+					}
+					tasks.forEach((task, index) => {
+						reportProgress(
+							0.5 + (0.5 * index) / tasks.length,
+							task.file,
+							"attach SourceMap"
+						);
+						const assets = Object.create(null);
+						const chunk = task.chunk;
+						const file = task.file;
+						const asset = task.asset;
+						const sourceMap = task.sourceMap;
+						const source = task.source;
+						const modules = task.modules;
+						const moduleFilenames = modules.map(m =>
+							moduleToSourceNameMapping.get(m)
+						);
+						sourceMap.sources = moduleFilenames;
+						if (options.noSources) {
+							sourceMap.sourcesContent = undefined;
+						}
+						sourceMap.sourceRoot = options.sourceRoot || "";
+						sourceMap.file = file;
+						assetsCache.set(asset, { file, assets });
+						/** @type {string | false} */
+						let currentSourceMappingURLComment = sourceMappingURLComment;
+						if (
+							currentSourceMappingURLComment !== false &&
+							/\.css($|\?)/i.test(file)
+						) {
+							currentSourceMappingURLComment = currentSourceMappingURLComment.replace(
+								/^\n\/\/(.*)$/,
+								"\n/*$1*/"
+							);
+						}
+						const sourceMapString = JSON.stringify(sourceMap);
+						if (sourceMapFilename) {
+							let filename = file;
+							let query = "";
+							const idx = filename.indexOf("?");
+							if (idx >= 0) {
+								query = filename.substr(idx);
+								filename = filename.substr(0, idx);
+							}
+							const pathParams = {
+								chunk,
+								filename: options.fileContext
+									? path.relative(options.fileContext, filename)
+									: filename,
+								query,
+								basename: basename(filename),
+								contentHash: createHash("md4")
+									.update(sourceMapString)
+									.digest("hex")
+							};
+							let sourceMapFile = compilation.getPath(
+								sourceMapFilename,
+								pathParams
+							);
+							const sourceMapUrl = options.publicPath
+								? options.publicPath + sourceMapFile.replace(/\\/g, "/")
+								: path
+										.relative(path.dirname(file), sourceMapFile)
+										.replace(/\\/g, "/");
+							/**
+							 * Add source map url to compilation asset, if {@link currentSourceMappingURLComment} presented
+							 */
+							if (currentSourceMappingURLComment !== false) {
+								const asset = new ConcatSource(
+									new RawSource(source),
+									compilation.getPath(
+										currentSourceMappingURLComment,
+										Object.assign({ url: sourceMapUrl }, pathParams)
+									)
+								);
+								assets[file] = asset;
+								compilation.updateAsset(file, asset);
+							}
+							/**
+							 * Add source map file to compilation assets and chunk files
+							 */
+							const asset = new RawSource(sourceMapString);
+							assets[sourceMapFile] = asset;
+							compilation.emitAsset(sourceMapFile, asset, {
+								development: true
+							});
+							chunk.files.push(sourceMapFile);
+						} else {
+							if (currentSourceMappingURLComment === false) {
+								throw new Error(
+									"SourceMapDevToolPlugin: append can't be false when no filename is provided"
+								);
+							}
+							/**
+							 * Add source map as data url to asset
+							 */
+							const asset = new ConcatSource(
+								new RawSource(source),
+								currentSourceMappingURLComment
+									.replace(/\[map\]/g, () => sourceMapString)
+									.replace(
+										/\[url\]/g,
+										() =>
+											`data:application/json;charset=utf-8;base64,${Buffer.from(
+												sourceMapString,
+												"utf-8"
+											).toString("base64")}`
+									)
+							);
+							assets[file] = asset;
+							compilation.updateAsset(file, asset);
+						}
+					});
+					reportProgress(1.0);
+				}
+			);
+		});
+	}
+}
+
+module.exports = SourceMapDevToolPlugin;
diff --git a/node_modules/webpack/lib/Stats.js b/node_modules/webpack/lib/Stats.js
new file mode 100644
index 00000000..6c5c3382
--- /dev/null
+++ b/node_modules/webpack/lib/Stats.js
@@ -0,0 +1,1685 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequestShortener = require("./RequestShortener");
+const SizeFormatHelpers = require("./SizeFormatHelpers");
+const formatLocation = require("./formatLocation");
+const identifierUtils = require("./util/identifier");
+const compareLocations = require("./compareLocations");
+const { LogType } = require("./logging/Logger");
+
+const optionsOrFallback = (...args) => {
+	let optionValues = [];
+	optionValues.push(...args);
+	return optionValues.find(optionValue => optionValue !== undefined);
+};
+
+const compareId = (a, b) => {
+	if (typeof a !== typeof b) {
+		return typeof a < typeof b ? -1 : 1;
+	}
+	if (a < b) return -1;
+	if (a > b) return 1;
+	return 0;
+};
+
+class Stats {
+	constructor(compilation) {
+		this.compilation = compilation;
+		this.hash = compilation.hash;
+		this.startTime = undefined;
+		this.endTime = undefined;
+	}
+
+	static filterWarnings(warnings, warningsFilter) {
+		// we dont have anything to filter so all warnings can be shown
+		if (!warningsFilter) {
+			return warnings;
+		}
+
+		// create a chain of filters
+		// if they return "true" a warning should be suppressed
+		const normalizedWarningsFilters = [].concat(warningsFilter).map(filter => {
+			if (typeof filter === "string") {
+				return warning => warning.includes(filter);
+			}
+
+			if (filter instanceof RegExp) {
+				return warning => filter.test(warning);
+			}
+
+			if (typeof filter === "function") {
+				return filter;
+			}
+
+			throw new Error(
+				`Can only filter warnings with Strings or RegExps. (Given: ${filter})`
+			);
+		});
+		return warnings.filter(warning => {
+			return !normalizedWarningsFilters.some(check => check(warning));
+		});
+	}
+
+	formatFilePath(filePath) {
+		const OPTIONS_REGEXP = /^(\s|\S)*!/;
+		return filePath.includes("!")
+			? `${filePath.replace(OPTIONS_REGEXP, "")} (${filePath})`
+			: `${filePath}`;
+	}
+
+	hasWarnings() {
+		return (
+			this.compilation.warnings.length > 0 ||
+			this.compilation.children.some(child => child.getStats().hasWarnings())
+		);
+	}
+
+	hasErrors() {
+		return (
+			this.compilation.errors.length > 0 ||
+			this.compilation.children.some(child => child.getStats().hasErrors())
+		);
+	}
+
+	// remove a prefixed "!" that can be specified to reverse sort order
+	normalizeFieldKey(field) {
+		if (field[0] === "!") {
+			return field.substr(1);
+		}
+		return field;
+	}
+
+	// if a field is prefixed by a "!" reverse sort order
+	sortOrderRegular(field) {
+		if (field[0] === "!") {
+			return false;
+		}
+		return true;
+	}
+
+	toJson(options, forToString) {
+		if (typeof options === "boolean" || typeof options === "string") {
+			options = Stats.presetToOptions(options);
+		} else if (!options) {
+			options = {};
+		}
+
+		const optionOrLocalFallback = (v, def) =>
+			v !== undefined ? v : options.all !== undefined ? options.all : def;
+
+		const testAgainstGivenOption = item => {
+			if (typeof item === "string") {
+				const regExp = new RegExp(
+					`[\\\\/]${item.replace(
+						// eslint-disable-next-line no-useless-escape
+						/[-[\]{}()*+?.\\^$|]/g,
+						"\\$&"
+					)}([\\\\/]|$|!|\\?)`
+				);
+				return ident => regExp.test(ident);
+			}
+			if (item && typeof item === "object" && typeof item.test === "function") {
+				return ident => item.test(ident);
+			}
+			if (typeof item === "function") {
+				return item;
+			}
+			if (typeof item === "boolean") {
+				return () => item;
+			}
+		};
+
+		const compilation = this.compilation;
+		const context = optionsOrFallback(
+			options.context,
+			compilation.compiler.context
+		);
+		const requestShortener =
+			compilation.compiler.context === context
+				? compilation.requestShortener
+				: new RequestShortener(context);
+		const showPerformance = optionOrLocalFallback(options.performance, true);
+		const showHash = optionOrLocalFallback(options.hash, true);
+		const showEnv = optionOrLocalFallback(options.env, false);
+		const showVersion = optionOrLocalFallback(options.version, true);
+		const showTimings = optionOrLocalFallback(options.timings, true);
+		const showBuiltAt = optionOrLocalFallback(options.builtAt, true);
+		const showAssets = optionOrLocalFallback(options.assets, true);
+		const showEntrypoints = optionOrLocalFallback(options.entrypoints, true);
+		const showChunkGroups = optionOrLocalFallback(
+			options.chunkGroups,
+			!forToString
+		);
+		const showChunks = optionOrLocalFallback(options.chunks, !forToString);
+		const showChunkModules = optionOrLocalFallback(options.chunkModules, true);
+		const showChunkOrigins = optionOrLocalFallback(
+			options.chunkOrigins,
+			!forToString
+		);
+		const showModules = optionOrLocalFallback(options.modules, true);
+		const showNestedModules = optionOrLocalFallback(
+			options.nestedModules,
+			true
+		);
+		const showModuleAssets = optionOrLocalFallback(
+			options.moduleAssets,
+			!forToString
+		);
+		const showDepth = optionOrLocalFallback(options.depth, !forToString);
+		const showCachedModules = optionOrLocalFallback(options.cached, true);
+		const showCachedAssets = optionOrLocalFallback(options.cachedAssets, true);
+		const showReasons = optionOrLocalFallback(options.reasons, !forToString);
+		const showUsedExports = optionOrLocalFallback(
+			options.usedExports,
+			!forToString
+		);
+		const showProvidedExports = optionOrLocalFallback(
+			options.providedExports,
+			!forToString
+		);
+		const showOptimizationBailout = optionOrLocalFallback(
+			options.optimizationBailout,
+			!forToString
+		);
+		const showChildren = optionOrLocalFallback(options.children, true);
+		const showSource = optionOrLocalFallback(options.source, !forToString);
+		const showModuleTrace = optionOrLocalFallback(options.moduleTrace, true);
+		const showErrors = optionOrLocalFallback(options.errors, true);
+		const showErrorDetails = optionOrLocalFallback(
+			options.errorDetails,
+			!forToString
+		);
+		const showWarnings = optionOrLocalFallback(options.warnings, true);
+		const warningsFilter = optionsOrFallback(options.warningsFilter, null);
+		const showPublicPath = optionOrLocalFallback(
+			options.publicPath,
+			!forToString
+		);
+		const showLogging = optionOrLocalFallback(
+			options.logging,
+			forToString ? "info" : true
+		);
+		const showLoggingTrace = optionOrLocalFallback(
+			options.loggingTrace,
+			!forToString
+		);
+		const loggingDebug = []
+			.concat(optionsOrFallback(options.loggingDebug, []))
+			.map(testAgainstGivenOption);
+
+		const excludeModules = []
+			.concat(optionsOrFallback(options.excludeModules, options.exclude, []))
+			.map(testAgainstGivenOption);
+		const excludeAssets = []
+			.concat(optionsOrFallback(options.excludeAssets, []))
+			.map(testAgainstGivenOption);
+		const maxModules = optionsOrFallback(
+			options.maxModules,
+			forToString ? 15 : Infinity
+		);
+		const sortModules = optionsOrFallback(options.modulesSort, "id");
+		const sortChunks = optionsOrFallback(options.chunksSort, "id");
+		const sortAssets = optionsOrFallback(options.assetsSort, "");
+		const showOutputPath = optionOrLocalFallback(
+			options.outputPath,
+			!forToString
+		);
+
+		if (!showCachedModules) {
+			excludeModules.push((ident, module) => !module.built);
+		}
+
+		const createModuleFilter = () => {
+			let i = 0;
+			return module => {
+				if (excludeModules.length > 0) {
+					const ident = requestShortener.shorten(module.resource);
+					const excluded = excludeModules.some(fn => fn(ident, module));
+					if (excluded) return false;
+				}
+				const result = i < maxModules;
+				i++;
+				return result;
+			};
+		};
+
+		const createAssetFilter = () => {
+			return asset => {
+				if (excludeAssets.length > 0) {
+					const ident = asset.name;
+					const excluded = excludeAssets.some(fn => fn(ident, asset));
+					if (excluded) return false;
+				}
+				return showCachedAssets || asset.emitted;
+			};
+		};
+
+		const sortByFieldAndOrder = (fieldKey, a, b) => {
+			if (a[fieldKey] === null && b[fieldKey] === null) return 0;
+			if (a[fieldKey] === null) return 1;
+			if (b[fieldKey] === null) return -1;
+			if (a[fieldKey] === b[fieldKey]) return 0;
+			if (typeof a[fieldKey] !== typeof b[fieldKey])
+				return typeof a[fieldKey] < typeof b[fieldKey] ? -1 : 1;
+			return a[fieldKey] < b[fieldKey] ? -1 : 1;
+		};
+
+		const sortByField = (field, originalArray) => {
+			const originalMap = originalArray.reduce((map, v, i) => {
+				map.set(v, i);
+				return map;
+			}, new Map());
+			return (a, b) => {
+				if (field) {
+					const fieldKey = this.normalizeFieldKey(field);
+
+					// if a field is prefixed with a "!" the sort is reversed!
+					const sortIsRegular = this.sortOrderRegular(field);
+
+					const cmp = sortByFieldAndOrder(
+						fieldKey,
+						sortIsRegular ? a : b,
+						sortIsRegular ? b : a
+					);
+					if (cmp) return cmp;
+				}
+				return originalMap.get(a) - originalMap.get(b);
+			};
+		};
+
+		const formatError = e => {
+			let text = "";
+			if (typeof e === "string") {
+				e = { message: e };
+			}
+			if (e.chunk) {
+				text += `chunk ${e.chunk.name || e.chunk.id}${
+					e.chunk.hasRuntime()
+						? " [entry]"
+						: e.chunk.canBeInitial()
+						? " [initial]"
+						: ""
+				}\n`;
+			}
+			if (e.file) {
+				text += `${e.file}\n`;
+			}
+			if (
+				e.module &&
+				e.module.readableIdentifier &&
+				typeof e.module.readableIdentifier === "function"
+			) {
+				text += this.formatFilePath(
+					e.module.readableIdentifier(requestShortener)
+				);
+				if (typeof e.loc === "object") {
+					const locInfo = formatLocation(e.loc);
+					if (locInfo) text += ` ${locInfo}`;
+				}
+				text += "\n";
+			}
+			text += e.message;
+			if (showErrorDetails && e.details) {
+				text += `\n${e.details}`;
+			}
+			if (showErrorDetails && e.missing) {
+				text += e.missing.map(item => `\n[${item}]`).join("");
+			}
+			if (showModuleTrace && e.origin) {
+				text += `\n @ ${this.formatFilePath(
+					e.origin.readableIdentifier(requestShortener)
+				)}`;
+				if (typeof e.originLoc === "object") {
+					const locInfo = formatLocation(e.originLoc);
+					if (locInfo) text += ` ${locInfo}`;
+				}
+				if (e.dependencies) {
+					for (const dep of e.dependencies) {
+						if (!dep.loc) continue;
+						if (typeof dep.loc === "string") continue;
+						const locInfo = formatLocation(dep.loc);
+						if (!locInfo) continue;
+						text += ` ${locInfo}`;
+					}
+				}
+				let current = e.origin;
+				while (current.issuer) {
+					current = current.issuer;
+					text += `\n @ ${current.readableIdentifier(requestShortener)}`;
+				}
+			}
+			return text;
+		};
+
+		const obj = {
+			errors: compilation.errors.map(formatError),
+			warnings: Stats.filterWarnings(
+				compilation.warnings.map(formatError),
+				warningsFilter
+			)
+		};
+
+		//We just hint other renderers since actually omitting
+		//errors/warnings from the JSON would be kind of weird.
+		Object.defineProperty(obj, "_showWarnings", {
+			value: showWarnings,
+			enumerable: false
+		});
+		Object.defineProperty(obj, "_showErrors", {
+			value: showErrors,
+			enumerable: false
+		});
+
+		if (showVersion) {
+			obj.version = require("../package.json").version;
+		}
+
+		if (showHash) obj.hash = this.hash;
+		if (showTimings && this.startTime && this.endTime) {
+			obj.time = this.endTime - this.startTime;
+		}
+
+		if (showBuiltAt && this.endTime) {
+			obj.builtAt = this.endTime;
+		}
+
+		if (showEnv && options._env) {
+			obj.env = options._env;
+		}
+
+		if (compilation.needAdditionalPass) {
+			obj.needAdditionalPass = true;
+		}
+		if (showPublicPath) {
+			obj.publicPath = this.compilation.mainTemplate.getPublicPath({
+				hash: this.compilation.hash
+			});
+		}
+		if (showOutputPath) {
+			obj.outputPath = this.compilation.mainTemplate.outputOptions.path;
+		}
+		if (showAssets) {
+			const assetsByFile = {};
+			const compilationAssets = compilation
+				.getAssets()
+				.sort((a, b) => (a.name < b.name ? -1 : 1));
+			obj.assetsByChunkName = {};
+			obj.assets = compilationAssets
+				.map(({ name, source, info }) => {
+					const obj = {
+						name,
+						size: source.size(),
+						chunks: [],
+						chunkNames: [],
+						info,
+						// TODO webpack 5: remove .emitted
+						emitted: source.emitted || compilation.emittedAssets.has(name)
+					};
+
+					if (showPerformance) {
+						obj.isOverSizeLimit = source.isOverSizeLimit;
+					}
+
+					assetsByFile[name] = obj;
+					return obj;
+				})
+				.filter(createAssetFilter());
+			obj.filteredAssets = compilationAssets.length - obj.assets.length;
+
+			for (const chunk of compilation.chunks) {
+				for (const asset of chunk.files) {
+					if (assetsByFile[asset]) {
+						for (const id of chunk.ids) {
+							assetsByFile[asset].chunks.push(id);
+						}
+						if (chunk.name) {
+							assetsByFile[asset].chunkNames.push(chunk.name);
+							if (obj.assetsByChunkName[chunk.name]) {
+								obj.assetsByChunkName[chunk.name] = []
+									.concat(obj.assetsByChunkName[chunk.name])
+									.concat([asset]);
+							} else {
+								obj.assetsByChunkName[chunk.name] = asset;
+							}
+						}
+					}
+				}
+			}
+			obj.assets.sort(sortByField(sortAssets, obj.assets));
+		}
+
+		const fnChunkGroup = groupMap => {
+			const obj = {};
+			for (const keyValuePair of groupMap) {
+				const name = keyValuePair[0];
+				const cg = keyValuePair[1];
+				const children = cg.getChildrenByOrders();
+				obj[name] = {
+					chunks: cg.chunks.map(c => c.id),
+					assets: cg.chunks.reduce(
+						(array, c) => array.concat(c.files || []),
+						[]
+					),
+					children: Object.keys(children).reduce((obj, key) => {
+						const groups = children[key];
+						obj[key] = groups.map(group => ({
+							name: group.name,
+							chunks: group.chunks.map(c => c.id),
+							assets: group.chunks.reduce(
+								(array, c) => array.concat(c.files || []),
+								[]
+							)
+						}));
+						return obj;
+					}, Object.create(null)),
+					childAssets: Object.keys(children).reduce((obj, key) => {
+						const groups = children[key];
+						obj[key] = Array.from(
+							groups.reduce((set, group) => {
+								for (const chunk of group.chunks) {
+									for (const asset of chunk.files) {
+										set.add(asset);
+									}
+								}
+								return set;
+							}, new Set())
+						);
+						return obj;
+					}, Object.create(null))
+				};
+				if (showPerformance) {
+					obj[name].isOverSizeLimit = cg.isOverSizeLimit;
+				}
+			}
+
+			return obj;
+		};
+
+		if (showEntrypoints) {
+			obj.entrypoints = fnChunkGroup(compilation.entrypoints);
+		}
+
+		if (showChunkGroups) {
+			obj.namedChunkGroups = fnChunkGroup(compilation.namedChunkGroups);
+		}
+
+		const fnModule = module => {
+			const path = [];
+			let current = module;
+			while (current.issuer) {
+				path.push((current = current.issuer));
+			}
+			path.reverse();
+			const obj = {
+				id: module.id,
+				identifier: module.identifier(),
+				name: module.readableIdentifier(requestShortener),
+				index: module.index,
+				index2: module.index2,
+				size: module.size(),
+				cacheable: module.buildInfo.cacheable,
+				built: !!module.built,
+				optional: module.optional,
+				prefetched: module.prefetched,
+				chunks: Array.from(module.chunksIterable, chunk => chunk.id),
+				issuer: module.issuer && module.issuer.identifier(),
+				issuerId: module.issuer && module.issuer.id,
+				issuerName:
+					module.issuer && module.issuer.readableIdentifier(requestShortener),
+				issuerPath:
+					module.issuer &&
+					path.map(module => ({
+						id: module.id,
+						identifier: module.identifier(),
+						name: module.readableIdentifier(requestShortener),
+						profile: module.profile
+					})),
+				profile: module.profile,
+				failed: !!module.error,
+				errors: module.errors ? module.errors.length : 0,
+				warnings: module.warnings ? module.warnings.length : 0
+			};
+			if (showModuleAssets) {
+				obj.assets = Object.keys(module.buildInfo.assets || {});
+			}
+			if (showReasons) {
+				obj.reasons = module.reasons
+					.sort((a, b) => {
+						if (a.module && !b.module) return -1;
+						if (!a.module && b.module) return 1;
+						if (a.module && b.module) {
+							const cmp = compareId(a.module.id, b.module.id);
+							if (cmp) return cmp;
+						}
+						if (a.dependency && !b.dependency) return -1;
+						if (!a.dependency && b.dependency) return 1;
+						if (a.dependency && b.dependency) {
+							const cmp = compareLocations(a.dependency.loc, b.dependency.loc);
+							if (cmp) return cmp;
+							if (a.dependency.type < b.dependency.type) return -1;
+							if (a.dependency.type > b.dependency.type) return 1;
+						}
+						return 0;
+					})
+					.map(reason => {
+						const obj = {
+							moduleId: reason.module ? reason.module.id : null,
+							moduleIdentifier: reason.module
+								? reason.module.identifier()
+								: null,
+							module: reason.module
+								? reason.module.readableIdentifier(requestShortener)
+								: null,
+							moduleName: reason.module
+								? reason.module.readableIdentifier(requestShortener)
+								: null,
+							type: reason.dependency ? reason.dependency.type : null,
+							explanation: reason.explanation,
+							userRequest: reason.dependency
+								? reason.dependency.userRequest
+								: null
+						};
+						if (reason.dependency) {
+							const locInfo = formatLocation(reason.dependency.loc);
+							if (locInfo) {
+								obj.loc = locInfo;
+							}
+						}
+						return obj;
+					});
+			}
+			if (showUsedExports) {
+				if (module.used === true) {
+					obj.usedExports = module.usedExports;
+				} else if (module.used === false) {
+					obj.usedExports = false;
+				}
+			}
+			if (showProvidedExports) {
+				obj.providedExports = Array.isArray(module.buildMeta.providedExports)
+					? module.buildMeta.providedExports
+					: null;
+			}
+			if (showOptimizationBailout) {
+				obj.optimizationBailout = module.optimizationBailout.map(item => {
+					if (typeof item === "function") return item(requestShortener);
+					return item;
+				});
+			}
+			if (showDepth) {
+				obj.depth = module.depth;
+			}
+			if (showNestedModules) {
+				if (module.modules) {
+					const modules = module.modules;
+					obj.modules = modules
+						.sort(sortByField("depth", modules))
+						.filter(createModuleFilter())
+						.map(fnModule);
+					obj.filteredModules = modules.length - obj.modules.length;
+					obj.modules.sort(sortByField(sortModules, obj.modules));
+				}
+			}
+			if (showSource && module._source) {
+				obj.source = module._source.source();
+			}
+			return obj;
+		};
+		if (showChunks) {
+			obj.chunks = compilation.chunks.map(chunk => {
+				const parents = new Set();
+				const children = new Set();
+				const siblings = new Set();
+				const childIdByOrder = chunk.getChildIdsByOrders();
+				for (const chunkGroup of chunk.groupsIterable) {
+					for (const parentGroup of chunkGroup.parentsIterable) {
+						for (const chunk of parentGroup.chunks) {
+							parents.add(chunk.id);
+						}
+					}
+					for (const childGroup of chunkGroup.childrenIterable) {
+						for (const chunk of childGroup.chunks) {
+							children.add(chunk.id);
+						}
+					}
+					for (const sibling of chunkGroup.chunks) {
+						if (sibling !== chunk) siblings.add(sibling.id);
+					}
+				}
+				const obj = {
+					id: chunk.id,
+					rendered: chunk.rendered,
+					initial: chunk.canBeInitial(),
+					entry: chunk.hasRuntime(),
+					recorded: chunk.recorded,
+					reason: chunk.chunkReason,
+					size: chunk.modulesSize(),
+					names: chunk.name ? [chunk.name] : [],
+					files: chunk.files.slice(),
+					hash: chunk.renderedHash,
+					siblings: Array.from(siblings).sort(compareId),
+					parents: Array.from(parents).sort(compareId),
+					children: Array.from(children).sort(compareId),
+					childrenByOrder: childIdByOrder
+				};
+				if (showChunkModules) {
+					const modules = chunk.getModules();
+					obj.modules = modules
+						.slice()
+						.sort(sortByField("depth", modules))
+						.filter(createModuleFilter())
+						.map(fnModule);
+					obj.filteredModules = chunk.getNumberOfModules() - obj.modules.length;
+					obj.modules.sort(sortByField(sortModules, obj.modules));
+				}
+				if (showChunkOrigins) {
+					obj.origins = Array.from(chunk.groupsIterable, g => g.origins)
+						.reduce((a, b) => a.concat(b), [])
+						.map(origin => ({
+							moduleId: origin.module ? origin.module.id : undefined,
+							module: origin.module ? origin.module.identifier() : "",
+							moduleIdentifier: origin.module ? origin.module.identifier() : "",
+							moduleName: origin.module
+								? origin.module.readableIdentifier(requestShortener)
+								: "",
+							loc: formatLocation(origin.loc),
+							request: origin.request,
+							reasons: origin.reasons || []
+						}))
+						.sort((a, b) => {
+							const cmp1 = compareId(a.moduleId, b.moduleId);
+							if (cmp1) return cmp1;
+							const cmp2 = compareId(a.loc, b.loc);
+							if (cmp2) return cmp2;
+							const cmp3 = compareId(a.request, b.request);
+							if (cmp3) return cmp3;
+							return 0;
+						});
+				}
+				return obj;
+			});
+			obj.chunks.sort(sortByField(sortChunks, obj.chunks));
+		}
+		if (showModules) {
+			obj.modules = compilation.modules
+				.slice()
+				.sort(sortByField("depth", compilation.modules))
+				.filter(createModuleFilter())
+				.map(fnModule);
+			obj.filteredModules = compilation.modules.length - obj.modules.length;
+			obj.modules.sort(sortByField(sortModules, obj.modules));
+		}
+		if (showLogging) {
+			const util = require("util");
+			obj.logging = {};
+			let acceptedTypes;
+			let collapsedGroups = false;
+			switch (showLogging) {
+				case "none":
+					acceptedTypes = new Set([]);
+					break;
+				case "error":
+					acceptedTypes = new Set([LogType.error]);
+					break;
+				case "warn":
+					acceptedTypes = new Set([LogType.error, LogType.warn]);
+					break;
+				case "info":
+					acceptedTypes = new Set([LogType.error, LogType.warn, LogType.info]);
+					break;
+				case true:
+				case "log":
+					acceptedTypes = new Set([
+						LogType.error,
+						LogType.warn,
+						LogType.info,
+						LogType.log,
+						LogType.group,
+						LogType.groupEnd,
+						LogType.groupCollapsed,
+						LogType.clear
+					]);
+					break;
+				case "verbose":
+					acceptedTypes = new Set([
+						LogType.error,
+						LogType.warn,
+						LogType.info,
+						LogType.log,
+						LogType.group,
+						LogType.groupEnd,
+						LogType.groupCollapsed,
+						LogType.profile,
+						LogType.profileEnd,
+						LogType.time,
+						LogType.status,
+						LogType.clear
+					]);
+					collapsedGroups = true;
+					break;
+			}
+			for (const [origin, logEntries] of compilation.logging) {
+				const debugMode = loggingDebug.some(fn => fn(origin));
+				let collapseCounter = 0;
+				let processedLogEntries = logEntries;
+				if (!debugMode) {
+					processedLogEntries = processedLogEntries.filter(entry => {
+						if (!acceptedTypes.has(entry.type)) return false;
+						if (!collapsedGroups) {
+							switch (entry.type) {
+								case LogType.groupCollapsed:
+									collapseCounter++;
+									return collapseCounter === 1;
+								case LogType.group:
+									if (collapseCounter > 0) collapseCounter++;
+									return collapseCounter === 0;
+								case LogType.groupEnd:
+									if (collapseCounter > 0) {
+										collapseCounter--;
+										return false;
+									}
+									return true;
+								default:
+									return collapseCounter === 0;
+							}
+						}
+						return true;
+					});
+				}
+				processedLogEntries = processedLogEntries.map(entry => {
+					let message = undefined;
+					if (entry.type === LogType.time) {
+						message = `${entry.args[0]}: ${entry.args[1] * 1000 +
+							entry.args[2] / 1000000}ms`;
+					} else if (entry.args && entry.args.length > 0) {
+						message = util.format(entry.args[0], ...entry.args.slice(1));
+					}
+					return {
+						type:
+							(debugMode || collapsedGroups) &&
+							entry.type === LogType.groupCollapsed
+								? LogType.group
+								: entry.type,
+						message,
+						trace: showLoggingTrace && entry.trace ? entry.trace : undefined
+					};
+				});
+				let name = identifierUtils
+					.makePathsRelative(context, origin, compilation.cache)
+					.replace(/\|/g, " ");
+				if (name in obj.logging) {
+					let i = 1;
+					while (`${name}#${i}` in obj.logging) {
+						i++;
+					}
+					name = `${name}#${i}`;
+				}
+				obj.logging[name] = {
+					entries: processedLogEntries,
+					filteredEntries: logEntries.length - processedLogEntries.length,
+					debug: debugMode
+				};
+			}
+		}
+		if (showChildren) {
+			obj.children = compilation.children.map((child, idx) => {
+				const childOptions = Stats.getChildOptions(options, idx);
+				const obj = new Stats(child).toJson(childOptions, forToString);
+				delete obj.hash;
+				delete obj.version;
+				if (child.name) {
+					obj.name = identifierUtils.makePathsRelative(
+						context,
+						child.name,
+						compilation.cache
+					);
+				}
+				return obj;
+			});
+		}
+
+		return obj;
+	}
+
+	toString(options) {
+		if (typeof options === "boolean" || typeof options === "string") {
+			options = Stats.presetToOptions(options);
+		} else if (!options) {
+			options = {};
+		}
+
+		const useColors = optionsOrFallback(options.colors, false);
+
+		const obj = this.toJson(options, true);
+
+		return Stats.jsonToString(obj, useColors);
+	}
+
+	static jsonToString(obj, useColors) {
+		const buf = [];
+
+		const defaultColors = {
+			bold: "\u001b[1m",
+			yellow: "\u001b[1m\u001b[33m",
+			red: "\u001b[1m\u001b[31m",
+			green: "\u001b[1m\u001b[32m",
+			cyan: "\u001b[1m\u001b[36m",
+			magenta: "\u001b[1m\u001b[35m"
+		};
+
+		const colors = Object.keys(defaultColors).reduce(
+			(obj, color) => {
+				obj[color] = str => {
+					if (useColors) {
+						buf.push(
+							useColors === true || useColors[color] === undefined
+								? defaultColors[color]
+								: useColors[color]
+						);
+					}
+					buf.push(str);
+					if (useColors) {
+						buf.push("\u001b[39m\u001b[22m");
+					}
+				};
+				return obj;
+			},
+			{
+				normal: str => buf.push(str)
+			}
+		);
+
+		const coloredTime = time => {
+			let times = [800, 400, 200, 100];
+			if (obj.time) {
+				times = [obj.time / 2, obj.time / 4, obj.time / 8, obj.time / 16];
+			}
+			if (time < times[3]) colors.normal(`${time}ms`);
+			else if (time < times[2]) colors.bold(`${time}ms`);
+			else if (time < times[1]) colors.green(`${time}ms`);
+			else if (time < times[0]) colors.yellow(`${time}ms`);
+			else colors.red(`${time}ms`);
+		};
+
+		const newline = () => buf.push("\n");
+
+		const getText = (arr, row, col) => {
+			return arr[row][col].value;
+		};
+
+		const table = (array, align, splitter) => {
+			const rows = array.length;
+			const cols = array[0].length;
+			const colSizes = new Array(cols);
+			for (let col = 0; col < cols; col++) {
+				colSizes[col] = 0;
+			}
+			for (let row = 0; row < rows; row++) {
+				for (let col = 0; col < cols; col++) {
+					const value = `${getText(array, row, col)}`;
+					if (value.length > colSizes[col]) {
+						colSizes[col] = value.length;
+					}
+				}
+			}
+			for (let row = 0; row < rows; row++) {
+				for (let col = 0; col < cols; col++) {
+					const format = array[row][col].color;
+					const value = `${getText(array, row, col)}`;
+					let l = value.length;
+					if (align[col] === "l") {
+						format(value);
+					}
+					for (; l < colSizes[col] && col !== cols - 1; l++) {
+						colors.normal(" ");
+					}
+					if (align[col] === "r") {
+						format(value);
+					}
+					if (col + 1 < cols && colSizes[col] !== 0) {
+						colors.normal(splitter || "  ");
+					}
+				}
+				newline();
+			}
+		};
+
+		const getAssetColor = (asset, defaultColor) => {
+			if (asset.isOverSizeLimit) {
+				return colors.yellow;
+			}
+
+			return defaultColor;
+		};
+
+		if (obj.hash) {
+			colors.normal("Hash: ");
+			colors.bold(obj.hash);
+			newline();
+		}
+		if (obj.version) {
+			colors.normal("Version: webpack ");
+			colors.bold(obj.version);
+			newline();
+		}
+		if (typeof obj.time === "number") {
+			colors.normal("Time: ");
+			colors.bold(obj.time);
+			colors.normal("ms");
+			newline();
+		}
+		if (typeof obj.builtAt === "number") {
+			const builtAtDate = new Date(obj.builtAt);
+			let timeZone = undefined;
+
+			try {
+				builtAtDate.toLocaleTimeString();
+			} catch (err) {
+				// Force UTC if runtime timezone is unsupported
+				timeZone = "UTC";
+			}
+
+			colors.normal("Built at: ");
+			colors.normal(
+				builtAtDate.toLocaleDateString(undefined, {
+					day: "2-digit",
+					month: "2-digit",
+					year: "numeric",
+					timeZone
+				})
+			);
+			colors.normal(" ");
+			colors.bold(builtAtDate.toLocaleTimeString(undefined, { timeZone }));
+			newline();
+		}
+		if (obj.env) {
+			colors.normal("Environment (--env): ");
+			colors.bold(JSON.stringify(obj.env, null, 2));
+			newline();
+		}
+		if (obj.publicPath) {
+			colors.normal("PublicPath: ");
+			colors.bold(obj.publicPath);
+			newline();
+		}
+
+		if (obj.assets && obj.assets.length > 0) {
+			const t = [
+				[
+					{
+						value: "Asset",
+						color: colors.bold
+					},
+					{
+						value: "Size",
+						color: colors.bold
+					},
+					{
+						value: "Chunks",
+						color: colors.bold
+					},
+					{
+						value: "",
+						color: colors.bold
+					},
+					{
+						value: "",
+						color: colors.bold
+					},
+					{
+						value: "Chunk Names",
+						color: colors.bold
+					}
+				]
+			];
+			for (const asset of obj.assets) {
+				t.push([
+					{
+						value: asset.name,
+						color: getAssetColor(asset, colors.green)
+					},
+					{
+						value: SizeFormatHelpers.formatSize(asset.size),
+						color: getAssetColor(asset, colors.normal)
+					},
+					{
+						value: asset.chunks.join(", "),
+						color: colors.bold
+					},
+					{
+						value: [
+							asset.emitted && "[emitted]",
+							asset.info.immutable && "[immutable]",
+							asset.info.development && "[dev]",
+							asset.info.hotModuleReplacement && "[hmr]"
+						]
+							.filter(Boolean)
+							.join(" "),
+						color: colors.green
+					},
+					{
+						value: asset.isOverSizeLimit ? "[big]" : "",
+						color: getAssetColor(asset, colors.normal)
+					},
+					{
+						value: asset.chunkNames.join(", "),
+						color: colors.normal
+					}
+				]);
+			}
+			table(t, "rrrlll");
+		}
+		if (obj.filteredAssets > 0) {
+			colors.normal(" ");
+			if (obj.assets.length > 0) colors.normal("+ ");
+			colors.normal(obj.filteredAssets);
+			if (obj.assets.length > 0) colors.normal(" hidden");
+			colors.normal(obj.filteredAssets !== 1 ? " assets" : " asset");
+			newline();
+		}
+
+		const processChunkGroups = (namedGroups, prefix) => {
+			for (const name of Object.keys(namedGroups)) {
+				const cg = namedGroups[name];
+				colors.normal(`${prefix} `);
+				colors.bold(name);
+				if (cg.isOverSizeLimit) {
+					colors.normal(" ");
+					colors.yellow("[big]");
+				}
+				colors.normal(" =");
+				for (const asset of cg.assets) {
+					colors.normal(" ");
+					colors.green(asset);
+				}
+				for (const name of Object.keys(cg.childAssets)) {
+					const assets = cg.childAssets[name];
+					if (assets && assets.length > 0) {
+						colors.normal(" ");
+						colors.magenta(`(${name}:`);
+						for (const asset of assets) {
+							colors.normal(" ");
+							colors.green(asset);
+						}
+						colors.magenta(")");
+					}
+				}
+				newline();
+			}
+		};
+
+		if (obj.entrypoints) {
+			processChunkGroups(obj.entrypoints, "Entrypoint");
+		}
+
+		if (obj.namedChunkGroups) {
+			let outputChunkGroups = obj.namedChunkGroups;
+			if (obj.entrypoints) {
+				outputChunkGroups = Object.keys(outputChunkGroups)
+					.filter(name => !obj.entrypoints[name])
+					.reduce((result, name) => {
+						result[name] = obj.namedChunkGroups[name];
+						return result;
+					}, {});
+			}
+			processChunkGroups(outputChunkGroups, "Chunk Group");
+		}
+
+		const modulesByIdentifier = {};
+		if (obj.modules) {
+			for (const module of obj.modules) {
+				modulesByIdentifier[`$${module.identifier}`] = module;
+			}
+		} else if (obj.chunks) {
+			for (const chunk of obj.chunks) {
+				if (chunk.modules) {
+					for (const module of chunk.modules) {
+						modulesByIdentifier[`$${module.identifier}`] = module;
+					}
+				}
+			}
+		}
+
+		const processModuleAttributes = module => {
+			colors.normal(" ");
+			colors.normal(SizeFormatHelpers.formatSize(module.size));
+			if (module.chunks) {
+				for (const chunk of module.chunks) {
+					colors.normal(" {");
+					colors.yellow(chunk);
+					colors.normal("}");
+				}
+			}
+			if (typeof module.depth === "number") {
+				colors.normal(` [depth ${module.depth}]`);
+			}
+			if (module.cacheable === false) {
+				colors.red(" [not cacheable]");
+			}
+			if (module.optional) {
+				colors.yellow(" [optional]");
+			}
+			if (module.built) {
+				colors.green(" [built]");
+			}
+			if (module.assets && module.assets.length) {
+				colors.magenta(
+					` [${module.assets.length} asset${
+						module.assets.length === 1 ? "" : "s"
+					}]`
+				);
+			}
+			if (module.prefetched) {
+				colors.magenta(" [prefetched]");
+			}
+			if (module.failed) colors.red(" [failed]");
+			if (module.warnings) {
+				colors.yellow(
+					` [${module.warnings} warning${module.warnings === 1 ? "" : "s"}]`
+				);
+			}
+			if (module.errors) {
+				colors.red(
+					` [${module.errors} error${module.errors === 1 ? "" : "s"}]`
+				);
+			}
+		};
+
+		const processModuleContent = (module, prefix) => {
+			if (Array.isArray(module.providedExports)) {
+				colors.normal(prefix);
+				if (module.providedExports.length === 0) {
+					colors.cyan("[no exports]");
+				} else {
+					colors.cyan(`[exports: ${module.providedExports.join(", ")}]`);
+				}
+				newline();
+			}
+			if (module.usedExports !== undefined) {
+				if (module.usedExports !== true) {
+					colors.normal(prefix);
+					if (module.usedExports === null) {
+						colors.cyan("[used exports unknown]");
+					} else if (module.usedExports === false) {
+						colors.cyan("[no exports used]");
+					} else if (
+						Array.isArray(module.usedExports) &&
+						module.usedExports.length === 0
+					) {
+						colors.cyan("[no exports used]");
+					} else if (Array.isArray(module.usedExports)) {
+						const providedExportsCount = Array.isArray(module.providedExports)
+							? module.providedExports.length
+							: null;
+						if (
+							providedExportsCount !== null &&
+							providedExportsCount === module.usedExports.length
+						) {
+							colors.cyan("[all exports used]");
+						} else {
+							colors.cyan(
+								`[only some exports used: ${module.usedExports.join(", ")}]`
+							);
+						}
+					}
+					newline();
+				}
+			}
+			if (Array.isArray(module.optimizationBailout)) {
+				for (const item of module.optimizationBailout) {
+					colors.normal(prefix);
+					colors.yellow(item);
+					newline();
+				}
+			}
+			if (module.reasons) {
+				for (const reason of module.reasons) {
+					colors.normal(prefix);
+					if (reason.type) {
+						colors.normal(reason.type);
+						colors.normal(" ");
+					}
+					if (reason.userRequest) {
+						colors.cyan(reason.userRequest);
+						colors.normal(" ");
+					}
+					if (reason.moduleId !== null) {
+						colors.normal("[");
+						colors.normal(reason.moduleId);
+						colors.normal("]");
+					}
+					if (reason.module && reason.module !== reason.moduleId) {
+						colors.normal(" ");
+						colors.magenta(reason.module);
+					}
+					if (reason.loc) {
+						colors.normal(" ");
+						colors.normal(reason.loc);
+					}
+					if (reason.explanation) {
+						colors.normal(" ");
+						colors.cyan(reason.explanation);
+					}
+					newline();
+				}
+			}
+			if (module.profile) {
+				colors.normal(prefix);
+				let sum = 0;
+				if (module.issuerPath) {
+					for (const m of module.issuerPath) {
+						colors.normal("[");
+						colors.normal(m.id);
+						colors.normal("] ");
+						if (m.profile) {
+							const time = (m.profile.factory || 0) + (m.profile.building || 0);
+							coloredTime(time);
+							sum += time;
+							colors.normal(" ");
+						}
+						colors.normal("-> ");
+					}
+				}
+				for (const key of Object.keys(module.profile)) {
+					colors.normal(`${key}:`);
+					const time = module.profile[key];
+					coloredTime(time);
+					colors.normal(" ");
+					sum += time;
+				}
+				colors.normal("= ");
+				coloredTime(sum);
+				newline();
+			}
+			if (module.modules) {
+				processModulesList(module, prefix + "| ");
+			}
+		};
+
+		const processModulesList = (obj, prefix) => {
+			if (obj.modules) {
+				let maxModuleId = 0;
+				for (const module of obj.modules) {
+					if (typeof module.id === "number") {
+						if (maxModuleId < module.id) maxModuleId = module.id;
+					}
+				}
+				let contentPrefix = prefix + "    ";
+				if (maxModuleId >= 10) contentPrefix += " ";
+				if (maxModuleId >= 100) contentPrefix += " ";
+				if (maxModuleId >= 1000) contentPrefix += " ";
+				for (const module of obj.modules) {
+					colors.normal(prefix);
+					const name = module.name || module.identifier;
+					if (typeof module.id === "string" || typeof module.id === "number") {
+						if (typeof module.id === "number") {
+							if (module.id < 1000 && maxModuleId >= 1000) colors.normal(" ");
+							if (module.id < 100 && maxModuleId >= 100) colors.normal(" ");
+							if (module.id < 10 && maxModuleId >= 10) colors.normal(" ");
+						} else {
+							if (maxModuleId >= 1000) colors.normal(" ");
+							if (maxModuleId >= 100) colors.normal(" ");
+							if (maxModuleId >= 10) colors.normal(" ");
+						}
+						if (name !== module.id) {
+							colors.normal("[");
+							colors.normal(module.id);
+							colors.normal("]");
+							colors.normal(" ");
+						} else {
+							colors.normal("[");
+							colors.bold(module.id);
+							colors.normal("]");
+						}
+					}
+					if (name !== module.id) {
+						colors.bold(name);
+					}
+					processModuleAttributes(module);
+					newline();
+					processModuleContent(module, contentPrefix);
+				}
+				if (obj.filteredModules > 0) {
+					colors.normal(prefix);
+					colors.normal("   ");
+					if (obj.modules.length > 0) colors.normal(" + ");
+					colors.normal(obj.filteredModules);
+					if (obj.modules.length > 0) colors.normal(" hidden");
+					colors.normal(obj.filteredModules !== 1 ? " modules" : " module");
+					newline();
+				}
+			}
+		};
+
+		if (obj.chunks) {
+			for (const chunk of obj.chunks) {
+				colors.normal("chunk ");
+				if (chunk.id < 1000) colors.normal(" ");
+				if (chunk.id < 100) colors.normal(" ");
+				if (chunk.id < 10) colors.normal(" ");
+				colors.normal("{");
+				colors.yellow(chunk.id);
+				colors.normal("} ");
+				colors.green(chunk.files.join(", "));
+				if (chunk.names && chunk.names.length > 0) {
+					colors.normal(" (");
+					colors.normal(chunk.names.join(", "));
+					colors.normal(")");
+				}
+				colors.normal(" ");
+				colors.normal(SizeFormatHelpers.formatSize(chunk.size));
+				for (const id of chunk.parents) {
+					colors.normal(" <{");
+					colors.yellow(id);
+					colors.normal("}>");
+				}
+				for (const id of chunk.siblings) {
+					colors.normal(" ={");
+					colors.yellow(id);
+					colors.normal("}=");
+				}
+				for (const id of chunk.children) {
+					colors.normal(" >{");
+					colors.yellow(id);
+					colors.normal("}<");
+				}
+				if (chunk.childrenByOrder) {
+					for (const name of Object.keys(chunk.childrenByOrder)) {
+						const children = chunk.childrenByOrder[name];
+						colors.normal(" ");
+						colors.magenta(`(${name}:`);
+						for (const id of children) {
+							colors.normal(" {");
+							colors.yellow(id);
+							colors.normal("}");
+						}
+						colors.magenta(")");
+					}
+				}
+				if (chunk.entry) {
+					colors.yellow(" [entry]");
+				} else if (chunk.initial) {
+					colors.yellow(" [initial]");
+				}
+				if (chunk.rendered) {
+					colors.green(" [rendered]");
+				}
+				if (chunk.recorded) {
+					colors.green(" [recorded]");
+				}
+				if (chunk.reason) {
+					colors.yellow(` ${chunk.reason}`);
+				}
+				newline();
+				if (chunk.origins) {
+					for (const origin of chunk.origins) {
+						colors.normal("    > ");
+						if (origin.reasons && origin.reasons.length) {
+							colors.yellow(origin.reasons.join(" "));
+							colors.normal(" ");
+						}
+						if (origin.request) {
+							colors.normal(origin.request);
+							colors.normal(" ");
+						}
+						if (origin.module) {
+							colors.normal("[");
+							colors.normal(origin.moduleId);
+							colors.normal("] ");
+							const module = modulesByIdentifier[`$${origin.module}`];
+							if (module) {
+								colors.bold(module.name);
+								colors.normal(" ");
+							}
+						}
+						if (origin.loc) {
+							colors.normal(origin.loc);
+						}
+						newline();
+					}
+				}
+				processModulesList(chunk, " ");
+			}
+		}
+
+		processModulesList(obj, "");
+
+		if (obj.logging) {
+			for (const origin of Object.keys(obj.logging)) {
+				const logData = obj.logging[origin];
+				if (logData.entries.length > 0) {
+					newline();
+					if (logData.debug) {
+						colors.red("DEBUG ");
+					}
+					colors.bold("LOG from " + origin);
+					newline();
+					let indent = "";
+					for (const entry of logData.entries) {
+						let color = colors.normal;
+						let prefix = "    ";
+						switch (entry.type) {
+							case LogType.clear:
+								colors.normal(`${indent}-------`);
+								newline();
+								continue;
+							case LogType.error:
+								color = colors.red;
+								prefix = "<e> ";
+								break;
+							case LogType.warn:
+								color = colors.yellow;
+								prefix = "<w> ";
+								break;
+							case LogType.info:
+								color = colors.green;
+								prefix = "<i> ";
+								break;
+							case LogType.log:
+								color = colors.bold;
+								break;
+							case LogType.trace:
+							case LogType.debug:
+								color = colors.normal;
+								break;
+							case LogType.status:
+								color = colors.magenta;
+								prefix = "<s> ";
+								break;
+							case LogType.profile:
+								color = colors.magenta;
+								prefix = "<p> ";
+								break;
+							case LogType.profileEnd:
+								color = colors.magenta;
+								prefix = "</p> ";
+								break;
+							case LogType.time:
+								color = colors.magenta;
+								prefix = "<t> ";
+								break;
+							case LogType.group:
+								color = colors.cyan;
+								prefix = "<-> ";
+								break;
+							case LogType.groupCollapsed:
+								color = colors.cyan;
+								prefix = "<+> ";
+								break;
+							case LogType.groupEnd:
+								if (indent.length >= 2)
+									indent = indent.slice(0, indent.length - 2);
+								continue;
+						}
+						if (entry.message) {
+							for (const line of entry.message.split("\n")) {
+								colors.normal(`${indent}${prefix}`);
+								color(line);
+								newline();
+							}
+						}
+						if (entry.trace) {
+							for (const line of entry.trace) {
+								colors.normal(`${indent}| ${line}`);
+								newline();
+							}
+						}
+						switch (entry.type) {
+							case LogType.group:
+								indent += "  ";
+								break;
+						}
+					}
+					if (logData.filteredEntries) {
+						colors.normal(`+ ${logData.filteredEntries} hidden lines`);
+						newline();
+					}
+				}
+			}
+		}
+
+		if (obj._showWarnings && obj.warnings) {
+			for (const warning of obj.warnings) {
+				newline();
+				colors.yellow(`WARNING in ${warning}`);
+				newline();
+			}
+		}
+		if (obj._showErrors && obj.errors) {
+			for (const error of obj.errors) {
+				newline();
+				colors.red(`ERROR in ${error}`);
+				newline();
+			}
+		}
+		if (obj.children) {
+			for (const child of obj.children) {
+				const childString = Stats.jsonToString(child, useColors);
+				if (childString) {
+					if (child.name) {
+						colors.normal("Child ");
+						colors.bold(child.name);
+						colors.normal(":");
+					} else {
+						colors.normal("Child");
+					}
+					newline();
+					buf.push("    ");
+					buf.push(childString.replace(/\n/g, "\n    "));
+					newline();
+				}
+			}
+		}
+		if (obj.needAdditionalPass) {
+			colors.yellow(
+				"Compilation needs an additional pass and will compile again."
+			);
+		}
+
+		while (buf[buf.length - 1] === "\n") {
+			buf.pop();
+		}
+		return buf.join("");
+	}
+
+	static presetToOptions(name) {
+		// Accepted values: none, errors-only, minimal, normal, detailed, verbose
+		// Any other falsy value will behave as 'none', truthy values as 'normal'
+		const pn =
+			(typeof name === "string" && name.toLowerCase()) || name || "none";
+		switch (pn) {
+			case "none":
+				return {
+					all: false
+				};
+			case "verbose":
+				return {
+					entrypoints: true,
+					chunkGroups: true,
+					modules: false,
+					chunks: true,
+					chunkModules: true,
+					chunkOrigins: true,
+					depth: true,
+					env: true,
+					reasons: true,
+					usedExports: true,
+					providedExports: true,
+					optimizationBailout: true,
+					errorDetails: true,
+					publicPath: true,
+					logging: "verbose",
+					exclude: false,
+					maxModules: Infinity
+				};
+			case "detailed":
+				return {
+					entrypoints: true,
+					chunkGroups: true,
+					chunks: true,
+					chunkModules: false,
+					chunkOrigins: true,
+					depth: true,
+					usedExports: true,
+					providedExports: true,
+					optimizationBailout: true,
+					errorDetails: true,
+					publicPath: true,
+					logging: true,
+					exclude: false,
+					maxModules: Infinity
+				};
+			case "minimal":
+				return {
+					all: false,
+					modules: true,
+					maxModules: 0,
+					errors: true,
+					warnings: true,
+					logging: "warn"
+				};
+			case "errors-only":
+				return {
+					all: false,
+					errors: true,
+					moduleTrace: true,
+					logging: "error"
+				};
+			case "errors-warnings":
+				return {
+					all: false,
+					errors: true,
+					warnings: true,
+					logging: "warn"
+				};
+			default:
+				return {};
+		}
+	}
+
+	static getChildOptions(options, idx) {
+		let innerOptions;
+		if (Array.isArray(options.children)) {
+			if (idx < options.children.length) {
+				innerOptions = options.children[idx];
+			}
+		} else if (typeof options.children === "object" && options.children) {
+			innerOptions = options.children;
+		}
+		if (typeof innerOptions === "boolean" || typeof innerOptions === "string") {
+			innerOptions = Stats.presetToOptions(innerOptions);
+		}
+		if (!innerOptions) {
+			return options;
+		}
+		const childOptions = Object.assign({}, options);
+		delete childOptions.children; // do not inherit children
+		return Object.assign(childOptions, innerOptions);
+	}
+}
+
+module.exports = Stats;
diff --git a/node_modules/webpack/lib/SystemMainTemplatePlugin.js b/node_modules/webpack/lib/SystemMainTemplatePlugin.js
new file mode 100644
index 00000000..ff519427
--- /dev/null
+++ b/node_modules/webpack/lib/SystemMainTemplatePlugin.js
@@ -0,0 +1,137 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Joel Denning @joeldenning
+ */
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const Template = require("./Template");
+
+/** @typedef {import("./Compilation")} Compilation */
+
+/**
+ * @typedef {Object} SystemMainTemplatePluginOptions
+ * @param {string=} name the library name
+ */
+
+class SystemMainTemplatePlugin {
+	/**
+	 * @param {SystemMainTemplatePluginOptions} options the plugin options
+	 */
+	constructor(options) {
+		this.name = options.name;
+	}
+
+	/**
+	 * @param {Compilation} compilation the compilation instance
+	 * @returns {void}
+	 */
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			const externals = chunk
+				.getModules()
+				.filter(m => m.external && m.externalType === "system");
+
+			// The name this bundle should be registered as with System
+			const name = this.name
+				? `${JSON.stringify(
+						mainTemplate.getAssetPath(this.name, { hash, chunk })
+				  )}, `
+				: "";
+
+			// The array of dependencies that are external to webpack and will be provided by System
+			const systemDependencies = JSON.stringify(
+				externals.map(m =>
+					typeof m.request === "object" ? m.request.amd : m.request
+				)
+			);
+
+			// The name of the variable provided by System for exporting
+			const dynamicExport = "__WEBPACK_DYNAMIC_EXPORT__";
+
+			// An array of the internal variable names for the webpack externals
+			const externalWebpackNames = externals.map(
+				m => `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
+			);
+
+			// Declaring variables for the internal variable names for the webpack externals
+			const externalVarDeclarations =
+				externalWebpackNames.length > 0
+					? `var ${externalWebpackNames.join(", ")};`
+					: "";
+
+			// The system.register format requires an array of setter functions for externals.
+			const setters =
+				externalWebpackNames.length === 0
+					? ""
+					: Template.asString([
+							"setters: [",
+							Template.indent(
+								externalWebpackNames
+									.map(external =>
+										Template.asString([
+											"function(module) {",
+											Template.indent(`${external} = module;`),
+											"}"
+										])
+									)
+									.join(",\n")
+							),
+							"],"
+					  ]);
+
+			return new ConcatSource(
+				Template.asString([
+					`System.register(${name}${systemDependencies}, function(${dynamicExport}) {`,
+					Template.indent([
+						externalVarDeclarations,
+						"return {",
+						Template.indent([
+							setters,
+							"execute: function() {",
+							Template.indent(`${dynamicExport}(`)
+						])
+					])
+				]) + "\n",
+				source,
+				"\n" +
+					Template.asString([
+						Template.indent([
+							Template.indent([Template.indent([");"]), "}"]),
+							"};"
+						]),
+						"})"
+					])
+			);
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"SystemMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.globalHashPaths.tap(
+			"SystemMainTemplatePlugin",
+			paths => {
+				if (this.name) {
+					paths.push(this.name);
+				}
+				return paths;
+			}
+		);
+
+		mainTemplate.hooks.hash.tap("SystemMainTemplatePlugin", hash => {
+			hash.update("exports system");
+			if (this.name) {
+				hash.update(this.name);
+			}
+		});
+	}
+}
+
+module.exports = SystemMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/Template.js b/node_modules/webpack/lib/Template.js
new file mode 100644
index 00000000..05439578
--- /dev/null
+++ b/node_modules/webpack/lib/Template.js
@@ -0,0 +1,291 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./ModuleTemplate")} ModuleTemplate */
+/** @typedef {import("webpack-sources").ConcatSource} ConcatSource */
+
+const { ConcatSource } = require("webpack-sources");
+const HotUpdateChunk = require("./HotUpdateChunk");
+
+const START_LOWERCASE_ALPHABET_CODE = "a".charCodeAt(0);
+const START_UPPERCASE_ALPHABET_CODE = "A".charCodeAt(0);
+const DELTA_A_TO_Z = "z".charCodeAt(0) - START_LOWERCASE_ALPHABET_CODE + 1;
+const FUNCTION_CONTENT_REGEX = /^function\s?\(\)\s?\{\r?\n?|\r?\n?\}$/g;
+const INDENT_MULTILINE_REGEX = /^\t/gm;
+const LINE_SEPARATOR_REGEX = /\r?\n/g;
+const IDENTIFIER_NAME_REPLACE_REGEX = /^([^a-zA-Z$_])/;
+const IDENTIFIER_ALPHA_NUMERIC_NAME_REPLACE_REGEX = /[^a-zA-Z0-9$]+/g;
+const COMMENT_END_REGEX = /\*\//g;
+const PATH_NAME_NORMALIZE_REPLACE_REGEX = /[^a-zA-Z0-9_!§$()=\-^°]+/g;
+const MATCH_PADDED_HYPHENS_REPLACE_REGEX = /^-|-$/g;
+
+/** @typedef {import("webpack-sources").Source} Source */
+
+/**
+ * @typedef {Object} HasId
+ * @property {number | string} id
+ */
+
+/**
+ * @typedef {function(Module, number): boolean} ModuleFilterPredicate
+ */
+
+/**
+ * @param {HasId} a first id object to be sorted
+ * @param {HasId} b second id object to be sorted against
+ * @returns {-1|0|1} the sort value
+ */
+const stringifyIdSortPredicate = (a, b) => {
+	const aId = a.id + "";
+	const bId = b.id + "";
+	if (aId < bId) return -1;
+	if (aId > bId) return 1;
+	return 0;
+};
+
+class Template {
+	/**
+	 *
+	 * @param {Function} fn a runtime function (.runtime.js) "template"
+	 * @returns {string} the updated and normalized function string
+	 */
+	static getFunctionContent(fn) {
+		return fn
+			.toString()
+			.replace(FUNCTION_CONTENT_REGEX, "")
+			.replace(INDENT_MULTILINE_REGEX, "")
+			.replace(LINE_SEPARATOR_REGEX, "\n");
+	}
+
+	/**
+	 * @param {string} str the string converted to identifier
+	 * @returns {string} created identifier
+	 */
+	static toIdentifier(str) {
+		if (typeof str !== "string") return "";
+		return str
+			.replace(IDENTIFIER_NAME_REPLACE_REGEX, "_$1")
+			.replace(IDENTIFIER_ALPHA_NUMERIC_NAME_REPLACE_REGEX, "_");
+	}
+	/**
+	 *
+	 * @param {string} str string to be converted to commented in bundle code
+	 * @returns {string} returns a commented version of string
+	 */
+	static toComment(str) {
+		if (!str) return "";
+		return `/*! ${str.replace(COMMENT_END_REGEX, "* /")} */`;
+	}
+
+	/**
+	 *
+	 * @param {string} str string to be converted to "normal comment"
+	 * @returns {string} returns a commented version of string
+	 */
+	static toNormalComment(str) {
+		if (!str) return "";
+		return `/* ${str.replace(COMMENT_END_REGEX, "* /")} */`;
+	}
+
+	/**
+	 * @param {string} str string path to be normalized
+	 * @returns {string} normalized bundle-safe path
+	 */
+	static toPath(str) {
+		if (typeof str !== "string") return "";
+		return str
+			.replace(PATH_NAME_NORMALIZE_REPLACE_REGEX, "-")
+			.replace(MATCH_PADDED_HYPHENS_REPLACE_REGEX, "");
+	}
+
+	// map number to a single character a-z, A-Z or <_ + number> if number is too big
+	/**
+	 *
+	 * @param {number} n number to convert to ident
+	 * @returns {string} returns single character ident
+	 */
+	static numberToIdentifer(n) {
+		// lower case
+		if (n < DELTA_A_TO_Z) {
+			return String.fromCharCode(START_LOWERCASE_ALPHABET_CODE + n);
+		}
+
+		// upper case
+		if (n < DELTA_A_TO_Z * 2) {
+			return String.fromCharCode(
+				START_UPPERCASE_ALPHABET_CODE + n - DELTA_A_TO_Z
+			);
+		}
+
+		// use multiple letters
+		return (
+			Template.numberToIdentifer(n % (2 * DELTA_A_TO_Z)) +
+			Template.numberToIdentifer(Math.floor(n / (2 * DELTA_A_TO_Z)))
+		);
+	}
+
+	/**
+	 *
+	 * @param {string | string[]} s string to convert to identity
+	 * @returns {string} converted identity
+	 */
+	static indent(s) {
+		if (Array.isArray(s)) {
+			return s.map(Template.indent).join("\n");
+		} else {
+			const str = s.trimRight();
+			if (!str) return "";
+			const ind = str[0] === "\n" ? "" : "\t";
+			return ind + str.replace(/\n([^\n])/g, "\n\t$1");
+		}
+	}
+
+	/**
+	 *
+	 * @param {string|string[]} s string to create prefix for
+	 * @param {string} prefix prefix to compose
+	 * @returns {string} returns new prefix string
+	 */
+	static prefix(s, prefix) {
+		const str = Template.asString(s).trim();
+		if (!str) return "";
+		const ind = str[0] === "\n" ? "" : prefix;
+		return ind + str.replace(/\n([^\n])/g, "\n" + prefix + "$1");
+	}
+
+	/**
+	 *
+	 * @param {string|string[]} str string or string collection
+	 * @returns {string} returns a single string from array
+	 */
+	static asString(str) {
+		if (Array.isArray(str)) {
+			return str.join("\n");
+		}
+		return str;
+	}
+
+	/**
+	 * @typedef {Object} WithId
+	 * @property {string|number} id
+	 */
+
+	/**
+	 * @param {WithId[]} modules a collection of modules to get array bounds for
+	 * @returns {[number, number] | false} returns the upper and lower array bounds
+	 * or false if not every module has a number based id
+	 */
+	static getModulesArrayBounds(modules) {
+		let maxId = -Infinity;
+		let minId = Infinity;
+		for (const module of modules) {
+			if (typeof module.id !== "number") return false;
+			if (maxId < module.id) maxId = /** @type {number} */ (module.id);
+			if (minId > module.id) minId = /** @type {number} */ (module.id);
+		}
+		if (minId < 16 + ("" + minId).length) {
+			// add minId x ',' instead of 'Array(minId).concat(…)'
+			minId = 0;
+		}
+		const objectOverhead = modules
+			.map(module => (module.id + "").length + 2)
+			.reduce((a, b) => a + b, -1);
+		const arrayOverhead =
+			minId === 0 ? maxId : 16 + ("" + minId).length + maxId;
+		return arrayOverhead < objectOverhead ? [minId, maxId] : false;
+	}
+
+	/**
+	 * @param {Chunk} chunk chunk whose modules will be rendered
+	 * @param {ModuleFilterPredicate} filterFn function used to filter modules from chunk to render
+	 * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance used to render modules
+	 * @param {TODO | TODO[]} dependencyTemplates templates needed for each module to render dependencies
+	 * @param {string=} prefix applying prefix strings
+	 * @returns {ConcatSource} rendered chunk modules in a Source object
+	 */
+	static renderChunkModules(
+		chunk,
+		filterFn,
+		moduleTemplate,
+		dependencyTemplates,
+		prefix = ""
+	) {
+		const source = new ConcatSource();
+		const modules = chunk.getModules().filter(filterFn);
+		let removedModules;
+		if (chunk instanceof HotUpdateChunk) {
+			removedModules = chunk.removedModules;
+		}
+		if (
+			modules.length === 0 &&
+			(!removedModules || removedModules.length === 0)
+		) {
+			source.add("[]");
+			return source;
+		}
+		/** @type {{id: string|number, source: Source|string}[]} */
+		const allModules = modules.map(module => {
+			return {
+				id: module.id,
+				source: moduleTemplate.render(module, dependencyTemplates, {
+					chunk
+				})
+			};
+		});
+		if (removedModules && removedModules.length > 0) {
+			for (const id of removedModules) {
+				allModules.push({
+					id,
+					source: "false"
+				});
+			}
+		}
+		const bounds = Template.getModulesArrayBounds(allModules);
+		if (bounds) {
+			// Render a spare array
+			const minId = bounds[0];
+			const maxId = bounds[1];
+			if (minId !== 0) {
+				source.add(`Array(${minId}).concat(`);
+			}
+			source.add("[\n");
+			/** @type {Map<string|number, {id: string|number, source: Source|string}>} */
+			const modules = new Map();
+			for (const module of allModules) {
+				modules.set(module.id, module);
+			}
+			for (let idx = minId; idx <= maxId; idx++) {
+				const module = modules.get(idx);
+				if (idx !== minId) {
+					source.add(",\n");
+				}
+				source.add(`/* ${idx} */`);
+				if (module) {
+					source.add("\n");
+					source.add(module.source);
+				}
+			}
+			source.add("\n" + prefix + "]");
+			if (minId !== 0) {
+				source.add(")");
+			}
+		} else {
+			// Render an object
+			source.add("{\n");
+			allModules.sort(stringifyIdSortPredicate).forEach((module, idx) => {
+				if (idx !== 0) {
+					source.add(",\n");
+				}
+				source.add(`\n/***/ ${JSON.stringify(module.id)}:\n`);
+				source.add(module.source);
+			});
+			source.add(`\n\n${prefix}}`);
+		}
+		return source;
+	}
+}
+
+module.exports = Template;
diff --git a/node_modules/webpack/lib/TemplatedPathPlugin.js b/node_modules/webpack/lib/TemplatedPathPlugin.js
new file mode 100644
index 00000000..d463f51e
--- /dev/null
+++ b/node_modules/webpack/lib/TemplatedPathPlugin.js
@@ -0,0 +1,188 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Jason Anderson @diurnalist
+*/
+"use strict";
+
+const REGEXP_HASH = /\[hash(?::(\d+))?\]/gi,
+	REGEXP_CHUNKHASH = /\[chunkhash(?::(\d+))?\]/gi,
+	REGEXP_MODULEHASH = /\[modulehash(?::(\d+))?\]/gi,
+	REGEXP_CONTENTHASH = /\[contenthash(?::(\d+))?\]/gi,
+	REGEXP_NAME = /\[name\]/gi,
+	REGEXP_ID = /\[id\]/gi,
+	REGEXP_MODULEID = /\[moduleid\]/gi,
+	REGEXP_FILE = /\[file\]/gi,
+	REGEXP_QUERY = /\[query\]/gi,
+	REGEXP_FILEBASE = /\[filebase\]/gi,
+	REGEXP_URL = /\[url\]/gi;
+
+// Using global RegExp for .test is dangerous
+// We use a normal RegExp instead of .test
+const REGEXP_HASH_FOR_TEST = new RegExp(REGEXP_HASH.source, "i"),
+	REGEXP_CHUNKHASH_FOR_TEST = new RegExp(REGEXP_CHUNKHASH.source, "i"),
+	REGEXP_CONTENTHASH_FOR_TEST = new RegExp(REGEXP_CONTENTHASH.source, "i"),
+	REGEXP_NAME_FOR_TEST = new RegExp(REGEXP_NAME.source, "i");
+
+const withHashLength = (replacer, handlerFn, assetInfo) => {
+	const fn = (match, hashLength, ...args) => {
+		if (assetInfo) assetInfo.immutable = true;
+		const length = hashLength && parseInt(hashLength, 10);
+		if (length && handlerFn) {
+			return handlerFn(length);
+		}
+		const hash = replacer(match, hashLength, ...args);
+		return length ? hash.slice(0, length) : hash;
+	};
+	return fn;
+};
+
+const getReplacer = (value, allowEmpty) => {
+	const fn = (match, ...args) => {
+		// last argument in replacer is the entire input string
+		const input = args[args.length - 1];
+		if (value === null || value === undefined) {
+			if (!allowEmpty) {
+				throw new Error(
+					`Path variable ${match} not implemented in this context: ${input}`
+				);
+			}
+			return "";
+		} else {
+			return `${escapePathVariables(value)}`;
+		}
+	};
+	return fn;
+};
+
+const escapePathVariables = value => {
+	return typeof value === "string"
+		? value.replace(/\[(\\*[\w:]+\\*)\]/gi, "[\\$1\\]")
+		: value;
+};
+
+const replacePathVariables = (path, data, assetInfo) => {
+	const chunk = data.chunk;
+	const chunkId = chunk && chunk.id;
+	const chunkName = chunk && (chunk.name || chunk.id);
+	const chunkHash = chunk && (chunk.renderedHash || chunk.hash);
+	const chunkHashWithLength = chunk && chunk.hashWithLength;
+	const contentHashType = data.contentHashType;
+	const contentHash =
+		(chunk && chunk.contentHash && chunk.contentHash[contentHashType]) ||
+		data.contentHash;
+	const contentHashWithLength =
+		(chunk &&
+			chunk.contentHashWithLength &&
+			chunk.contentHashWithLength[contentHashType]) ||
+		data.contentHashWithLength;
+	const module = data.module;
+	const moduleId = module && module.id;
+	const moduleHash = module && (module.renderedHash || module.hash);
+	const moduleHashWithLength = module && module.hashWithLength;
+
+	if (typeof path === "function") {
+		path = path(data);
+	}
+
+	if (
+		data.noChunkHash &&
+		(REGEXP_CHUNKHASH_FOR_TEST.test(path) ||
+			REGEXP_CONTENTHASH_FOR_TEST.test(path))
+	) {
+		throw new Error(
+			`Cannot use [chunkhash] or [contenthash] for chunk in '${path}' (use [hash] instead)`
+		);
+	}
+
+	return (
+		path
+			.replace(
+				REGEXP_HASH,
+				withHashLength(getReplacer(data.hash), data.hashWithLength, assetInfo)
+			)
+			.replace(
+				REGEXP_CHUNKHASH,
+				withHashLength(getReplacer(chunkHash), chunkHashWithLength, assetInfo)
+			)
+			.replace(
+				REGEXP_CONTENTHASH,
+				withHashLength(
+					getReplacer(contentHash),
+					contentHashWithLength,
+					assetInfo
+				)
+			)
+			.replace(
+				REGEXP_MODULEHASH,
+				withHashLength(getReplacer(moduleHash), moduleHashWithLength, assetInfo)
+			)
+			.replace(REGEXP_ID, getReplacer(chunkId))
+			.replace(REGEXP_MODULEID, getReplacer(moduleId))
+			.replace(REGEXP_NAME, getReplacer(chunkName))
+			.replace(REGEXP_FILE, getReplacer(data.filename))
+			.replace(REGEXP_FILEBASE, getReplacer(data.basename))
+			// query is optional, it's OK if it's in a path but there's nothing to replace it with
+			.replace(REGEXP_QUERY, getReplacer(data.query, true))
+			// only available in sourceMappingURLComment
+			.replace(REGEXP_URL, getReplacer(data.url))
+			.replace(/\[\\(\\*[\w:]+\\*)\\\]/gi, "[$1]")
+	);
+};
+
+class TemplatedPathPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("TemplatedPathPlugin", compilation => {
+			const mainTemplate = compilation.mainTemplate;
+
+			mainTemplate.hooks.assetPath.tap(
+				"TemplatedPathPlugin",
+				replacePathVariables
+			);
+
+			mainTemplate.hooks.globalHash.tap(
+				"TemplatedPathPlugin",
+				(chunk, paths) => {
+					const outputOptions = mainTemplate.outputOptions;
+					const publicPath = outputOptions.publicPath || "";
+					const filename = outputOptions.filename || "";
+					const chunkFilename =
+						outputOptions.chunkFilename || outputOptions.filename;
+					if (
+						REGEXP_HASH_FOR_TEST.test(publicPath) ||
+						REGEXP_CHUNKHASH_FOR_TEST.test(publicPath) ||
+						REGEXP_CONTENTHASH_FOR_TEST.test(publicPath) ||
+						REGEXP_NAME_FOR_TEST.test(publicPath)
+					)
+						return true;
+					if (REGEXP_HASH_FOR_TEST.test(filename)) return true;
+					if (REGEXP_HASH_FOR_TEST.test(chunkFilename)) return true;
+					if (REGEXP_HASH_FOR_TEST.test(paths.join("|"))) return true;
+				}
+			);
+
+			mainTemplate.hooks.hashForChunk.tap(
+				"TemplatedPathPlugin",
+				(hash, chunk) => {
+					const outputOptions = mainTemplate.outputOptions;
+					const chunkFilename =
+						outputOptions.chunkFilename || outputOptions.filename;
+					if (REGEXP_CHUNKHASH_FOR_TEST.test(chunkFilename)) {
+						hash.update(JSON.stringify(chunk.getChunkMaps(true).hash));
+					}
+					if (REGEXP_CONTENTHASH_FOR_TEST.test(chunkFilename)) {
+						hash.update(
+							JSON.stringify(
+								chunk.getChunkMaps(true).contentHash.javascript || {}
+							)
+						);
+					}
+					if (REGEXP_NAME_FOR_TEST.test(chunkFilename)) {
+						hash.update(JSON.stringify(chunk.getChunkMaps(true).name));
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = TemplatedPathPlugin;
diff --git a/node_modules/webpack/lib/UmdMainTemplatePlugin.js b/node_modules/webpack/lib/UmdMainTemplatePlugin.js
new file mode 100644
index 00000000..7843c78f
--- /dev/null
+++ b/node_modules/webpack/lib/UmdMainTemplatePlugin.js
@@ -0,0 +1,305 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource, OriginalSource } = require("webpack-sources");
+const Template = require("./Template");
+
+/** @typedef {import("../declarations/WebpackOptions").LibraryCustomUmdObject} LibraryCustomUmdObject */
+/** @typedef {import("./Compilation")} Compilation */
+
+/**
+ * @param {string[]} accessor the accessor to convert to path
+ * @returns {string} the path
+ */
+const accessorToObjectAccess = accessor => {
+	return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
+};
+
+/**
+ * @param {string=} base the path prefix
+ * @param {string|string[]} accessor the accessor
+ * @param {string=} joinWith the element separator
+ * @returns {string} the path
+ */
+const accessorAccess = (base, accessor, joinWith = ", ") => {
+	const accessors = Array.isArray(accessor) ? accessor : [accessor];
+	return accessors
+		.map((_, idx) => {
+			const a = base
+				? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
+				: accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
+			if (idx === accessors.length - 1) return a;
+			if (idx === 0 && base === undefined)
+				return `${a} = typeof ${a} === "object" ? ${a} : {}`;
+			return `${a} = ${a} || {}`;
+		})
+		.join(joinWith);
+};
+
+/** @typedef {string | string[] | LibraryCustomUmdObject} UmdMainTemplatePluginName */
+
+/**
+ * @typedef {Object} AuxiliaryCommentObject
+ * @property {string} root
+ * @property {string} commonjs
+ * @property {string} commonjs2
+ * @property {string} amd
+ */
+
+/**
+ * @typedef {Object} UmdMainTemplatePluginOption
+ * @property {boolean=} optionalAmdExternalAsGlobal
+ * @property {boolean} namedDefine
+ * @property {string | AuxiliaryCommentObject} auxiliaryComment
+ */
+
+class UmdMainTemplatePlugin {
+	/**
+	 * @param {UmdMainTemplatePluginName} name the name of the UMD library
+	 * @param {UmdMainTemplatePluginOption} options the plugin option
+	 */
+	constructor(name, options) {
+		if (typeof name === "object" && !Array.isArray(name)) {
+			this.name = name.root || name.amd || name.commonjs;
+			this.names = name;
+		} else {
+			this.name = name;
+			this.names = {
+				commonjs: name,
+				root: name,
+				amd: name
+			};
+		}
+		this.optionalAmdExternalAsGlobal = options.optionalAmdExternalAsGlobal;
+		this.namedDefine = options.namedDefine;
+		this.auxiliaryComment = options.auxiliaryComment;
+	}
+
+	/**
+	 * @param {Compilation} compilation the compilation instance
+	 * @returns {void}
+	 */
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate, runtimeTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			let externals = chunk
+				.getModules()
+				.filter(
+					m =>
+						m.external &&
+						(m.externalType === "umd" || m.externalType === "umd2")
+				);
+			const optionalExternals = [];
+			let requiredExternals = [];
+			if (this.optionalAmdExternalAsGlobal) {
+				for (const m of externals) {
+					if (m.optional) {
+						optionalExternals.push(m);
+					} else {
+						requiredExternals.push(m);
+					}
+				}
+				externals = requiredExternals.concat(optionalExternals);
+			} else {
+				requiredExternals = externals;
+			}
+
+			const replaceKeys = str => {
+				return mainTemplate.getAssetPath(str, {
+					hash,
+					chunk
+				});
+			};
+
+			const externalsDepsArray = modules => {
+				return `[${replaceKeys(
+					modules
+						.map(m =>
+							JSON.stringify(
+								typeof m.request === "object" ? m.request.amd : m.request
+							)
+						)
+						.join(", ")
+				)}]`;
+			};
+
+			const externalsRootArray = modules => {
+				return replaceKeys(
+					modules
+						.map(m => {
+							let request = m.request;
+							if (typeof request === "object") request = request.root;
+							return `root${accessorToObjectAccess([].concat(request))}`;
+						})
+						.join(", ")
+				);
+			};
+
+			const externalsRequireArray = type => {
+				return replaceKeys(
+					externals
+						.map(m => {
+							let expr;
+							let request = m.request;
+							if (typeof request === "object") {
+								request = request[type];
+							}
+							if (request === undefined) {
+								throw new Error(
+									"Missing external configuration for type:" + type
+								);
+							}
+							if (Array.isArray(request)) {
+								expr = `require(${JSON.stringify(
+									request[0]
+								)})${accessorToObjectAccess(request.slice(1))}`;
+							} else {
+								expr = `require(${JSON.stringify(request)})`;
+							}
+							if (m.optional) {
+								expr = `(function webpackLoadOptionalExternalModule() { try { return ${expr}; } catch(e) {} }())`;
+							}
+							return expr;
+						})
+						.join(", ")
+				);
+			};
+
+			const externalsArguments = modules => {
+				return modules
+					.map(
+						m =>
+							`__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
+					)
+					.join(", ");
+			};
+
+			const libraryName = library => {
+				return JSON.stringify(replaceKeys([].concat(library).pop()));
+			};
+
+			let amdFactory;
+			if (optionalExternals.length > 0) {
+				const wrapperArguments = externalsArguments(requiredExternals);
+				const factoryArguments =
+					requiredExternals.length > 0
+						? externalsArguments(requiredExternals) +
+						  ", " +
+						  externalsRootArray(optionalExternals)
+						: externalsRootArray(optionalExternals);
+				amdFactory =
+					`function webpackLoadOptionalExternalModuleAmd(${wrapperArguments}) {\n` +
+					`			return factory(${factoryArguments});\n` +
+					"		}";
+			} else {
+				amdFactory = "factory";
+			}
+
+			const auxiliaryComment = this.auxiliaryComment;
+
+			const getAuxilaryComment = type => {
+				if (auxiliaryComment) {
+					if (typeof auxiliaryComment === "string")
+						return "\t//" + auxiliaryComment + "\n";
+					if (auxiliaryComment[type])
+						return "\t//" + auxiliaryComment[type] + "\n";
+				}
+				return "";
+			};
+
+			return new ConcatSource(
+				new OriginalSource(
+					"(function webpackUniversalModuleDefinition(root, factory) {\n" +
+						getAuxilaryComment("commonjs2") +
+						"	if(typeof exports === 'object' && typeof module === 'object')\n" +
+						"		module.exports = factory(" +
+						externalsRequireArray("commonjs2") +
+						");\n" +
+						getAuxilaryComment("amd") +
+						"	else if(typeof define === 'function' && define.amd)\n" +
+						(requiredExternals.length > 0
+							? this.names.amd && this.namedDefine === true
+								? "		define(" +
+								  libraryName(this.names.amd) +
+								  ", " +
+								  externalsDepsArray(requiredExternals) +
+								  ", " +
+								  amdFactory +
+								  ");\n"
+								: "		define(" +
+								  externalsDepsArray(requiredExternals) +
+								  ", " +
+								  amdFactory +
+								  ");\n"
+							: this.names.amd && this.namedDefine === true
+							? "		define(" +
+							  libraryName(this.names.amd) +
+							  ", [], " +
+							  amdFactory +
+							  ");\n"
+							: "		define([], " + amdFactory + ");\n") +
+						(this.names.root || this.names.commonjs
+							? getAuxilaryComment("commonjs") +
+							  "	else if(typeof exports === 'object')\n" +
+							  "		exports[" +
+							  libraryName(this.names.commonjs || this.names.root) +
+							  "] = factory(" +
+							  externalsRequireArray("commonjs") +
+							  ");\n" +
+							  getAuxilaryComment("root") +
+							  "	else\n" +
+							  "		" +
+							  replaceKeys(
+									accessorAccess("root", this.names.root || this.names.commonjs)
+							  ) +
+							  " = factory(" +
+							  externalsRootArray(externals) +
+							  ");\n"
+							: "	else {\n" +
+							  (externals.length > 0
+									? "		var a = typeof exports === 'object' ? factory(" +
+									  externalsRequireArray("commonjs") +
+									  ") : factory(" +
+									  externalsRootArray(externals) +
+									  ");\n"
+									: "		var a = factory();\n") +
+							  "		for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n" +
+							  "	}\n") +
+						`})(${
+							runtimeTemplate.outputOptions.globalObject
+						}, function(${externalsArguments(externals)}) {\nreturn `,
+					"webpack/universalModuleDefinition"
+				),
+				source,
+				";\n})"
+			);
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"UmdMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.globalHashPaths.tap("UmdMainTemplatePlugin", paths => {
+			if (this.names.root) paths = paths.concat(this.names.root);
+			if (this.names.amd) paths = paths.concat(this.names.amd);
+			if (this.names.commonjs) paths = paths.concat(this.names.commonjs);
+			return paths;
+		});
+
+		mainTemplate.hooks.hash.tap("UmdMainTemplatePlugin", hash => {
+			hash.update("umd");
+			hash.update(`${this.names.root}`);
+			hash.update(`${this.names.amd}`);
+			hash.update(`${this.names.commonjs}`);
+		});
+	}
+}
+
+module.exports = UmdMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/UnsupportedFeatureWarning.js b/node_modules/webpack/lib/UnsupportedFeatureWarning.js
new file mode 100644
index 00000000..72eef834
--- /dev/null
+++ b/node_modules/webpack/lib/UnsupportedFeatureWarning.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+
+class UnsupportedFeatureWarning extends WebpackError {
+	/**
+	 * @param {Module} module module relevant to warning
+	 * @param {string} message description of warning
+	 * @param {DependencyLocation} loc location start and end positions of the module
+	 */
+	constructor(module, message, loc) {
+		super(message);
+
+		this.name = "UnsupportedFeatureWarning";
+		this.module = module;
+		this.loc = loc;
+		this.hideStack = true;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = UnsupportedFeatureWarning;
diff --git a/node_modules/webpack/lib/UseStrictPlugin.js b/node_modules/webpack/lib/UseStrictPlugin.js
new file mode 100644
index 00000000..425be2e3
--- /dev/null
+++ b/node_modules/webpack/lib/UseStrictPlugin.js
@@ -0,0 +1,54 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConstDependency = require("./dependencies/ConstDependency");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+class UseStrictPlugin {
+	/**
+	 * @param {Compiler} compiler Webpack Compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"UseStrictPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const handler = parser => {
+					parser.hooks.program.tap("UseStrictPlugin", ast => {
+						const firstNode = ast.body[0];
+						if (
+							firstNode &&
+							firstNode.type === "ExpressionStatement" &&
+							firstNode.expression.type === "Literal" &&
+							firstNode.expression.value === "use strict"
+						) {
+							// Remove "use strict" expression. It will be added later by the renderer again.
+							// This is necessary in order to not break the strict mode when webpack prepends code.
+							// @see https://github.com/webpack/webpack/issues/1970
+							const dep = new ConstDependency("", firstNode.range);
+							dep.loc = firstNode.loc;
+							parser.state.current.addDependency(dep);
+							parser.state.module.buildInfo.strict = true;
+						}
+					});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("UseStrictPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("UseStrictPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("UseStrictPlugin", handler);
+			}
+		);
+	}
+}
+
+module.exports = UseStrictPlugin;
diff --git a/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js b/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js
new file mode 100644
index 00000000..867a33fe
--- /dev/null
+++ b/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CaseSensitiveModulesWarning = require("./CaseSensitiveModulesWarning");
+
+class WarnCaseSensitiveModulesPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"WarnCaseSensitiveModulesPlugin",
+			compilation => {
+				compilation.hooks.seal.tap("WarnCaseSensitiveModulesPlugin", () => {
+					const moduleWithoutCase = new Map();
+					for (const module of compilation.modules) {
+						const identifier = module.identifier().toLowerCase();
+						const array = moduleWithoutCase.get(identifier);
+						if (array) {
+							array.push(module);
+						} else {
+							moduleWithoutCase.set(identifier, [module]);
+						}
+					}
+					for (const pair of moduleWithoutCase) {
+						const array = pair[1];
+						if (array.length > 1) {
+							compilation.warnings.push(new CaseSensitiveModulesWarning(array));
+						}
+					}
+				});
+			}
+		);
+	}
+}
+
+module.exports = WarnCaseSensitiveModulesPlugin;
diff --git a/node_modules/webpack/lib/WarnNoModeSetPlugin.js b/node_modules/webpack/lib/WarnNoModeSetPlugin.js
new file mode 100644
index 00000000..4a69a8cc
--- /dev/null
+++ b/node_modules/webpack/lib/WarnNoModeSetPlugin.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const NoModeWarning = require("./NoModeWarning");
+
+class WarnNoModeSetPlugin {
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("WarnNoModeSetPlugin", compilation => {
+			compilation.warnings.push(new NoModeWarning());
+		});
+	}
+}
+
+module.exports = WarnNoModeSetPlugin;
diff --git a/node_modules/webpack/lib/WatchIgnorePlugin.js b/node_modules/webpack/lib/WatchIgnorePlugin.js
new file mode 100644
index 00000000..5ba9cd05
--- /dev/null
+++ b/node_modules/webpack/lib/WatchIgnorePlugin.js
@@ -0,0 +1,106 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/WatchIgnorePlugin.json");
+
+/** @typedef {import("../declarations/plugins/WatchIgnorePlugin").WatchIgnorePluginOptions} WatchIgnorePluginOptions */
+
+class IgnoringWatchFileSystem {
+	constructor(wfs, paths) {
+		this.wfs = wfs;
+		this.paths = paths;
+	}
+
+	watch(files, dirs, missing, startTime, options, callback, callbackUndelayed) {
+		const ignored = path =>
+			this.paths.some(p =>
+				p instanceof RegExp ? p.test(path) : path.indexOf(p) === 0
+			);
+
+		const notIgnored = path => !ignored(path);
+
+		const ignoredFiles = files.filter(ignored);
+		const ignoredDirs = dirs.filter(ignored);
+
+		const watcher = this.wfs.watch(
+			files.filter(notIgnored),
+			dirs.filter(notIgnored),
+			missing,
+			startTime,
+			options,
+			(
+				err,
+				filesModified,
+				dirsModified,
+				missingModified,
+				fileTimestamps,
+				dirTimestamps,
+				removedFiles
+			) => {
+				if (err) return callback(err);
+				for (const path of ignoredFiles) {
+					fileTimestamps.set(path, 1);
+				}
+
+				for (const path of ignoredDirs) {
+					dirTimestamps.set(path, 1);
+				}
+
+				callback(
+					err,
+					filesModified,
+					dirsModified,
+					missingModified,
+					fileTimestamps,
+					dirTimestamps,
+					removedFiles
+				);
+			},
+			callbackUndelayed
+		);
+
+		return {
+			close: () => watcher.close(),
+			pause: () => watcher.pause(),
+			getContextTimestamps: () => {
+				const dirTimestamps = watcher.getContextTimestamps();
+				for (const path of ignoredDirs) {
+					dirTimestamps.set(path, 1);
+				}
+				return dirTimestamps;
+			},
+			getFileTimestamps: () => {
+				const fileTimestamps = watcher.getFileTimestamps();
+				for (const path of ignoredFiles) {
+					fileTimestamps.set(path, 1);
+				}
+				return fileTimestamps;
+			}
+		};
+	}
+}
+
+class WatchIgnorePlugin {
+	/**
+	 * @param {WatchIgnorePluginOptions} paths list of paths
+	 */
+	constructor(paths) {
+		validateOptions(schema, paths, "Watch Ignore Plugin");
+		this.paths = paths;
+	}
+
+	apply(compiler) {
+		compiler.hooks.afterEnvironment.tap("WatchIgnorePlugin", () => {
+			compiler.watchFileSystem = new IgnoringWatchFileSystem(
+				compiler.watchFileSystem,
+				this.paths
+			);
+		});
+	}
+}
+
+module.exports = WatchIgnorePlugin;
diff --git a/node_modules/webpack/lib/Watching.js b/node_modules/webpack/lib/Watching.js
new file mode 100644
index 00000000..dc66db13
--- /dev/null
+++ b/node_modules/webpack/lib/Watching.js
@@ -0,0 +1,211 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Stats = require("./Stats");
+
+class Watching {
+	constructor(compiler, watchOptions, handler) {
+		this.startTime = null;
+		this.invalid = false;
+		this.handler = handler;
+		this.callbacks = [];
+		this.closed = false;
+		this.suspended = false;
+		if (typeof watchOptions === "number") {
+			this.watchOptions = {
+				aggregateTimeout: watchOptions
+			};
+		} else if (watchOptions && typeof watchOptions === "object") {
+			this.watchOptions = Object.assign({}, watchOptions);
+		} else {
+			this.watchOptions = {};
+		}
+		this.watchOptions.aggregateTimeout =
+			this.watchOptions.aggregateTimeout || 200;
+		this.compiler = compiler;
+		this.running = true;
+		this.compiler.readRecords(err => {
+			if (err) return this._done(err);
+
+			this._go();
+		});
+	}
+
+	_go() {
+		this.startTime = Date.now();
+		this.running = true;
+		this.invalid = false;
+		this.compiler.hooks.watchRun.callAsync(this.compiler, err => {
+			if (err) return this._done(err);
+			const onCompiled = (err, compilation) => {
+				if (err) return this._done(err);
+				if (this.invalid) return this._done();
+
+				if (this.compiler.hooks.shouldEmit.call(compilation) === false) {
+					return this._done(null, compilation);
+				}
+
+				this.compiler.emitAssets(compilation, err => {
+					if (err) return this._done(err);
+					if (this.invalid) return this._done();
+					this.compiler.emitRecords(err => {
+						if (err) return this._done(err);
+
+						if (compilation.hooks.needAdditionalPass.call()) {
+							compilation.needAdditionalPass = true;
+
+							const stats = new Stats(compilation);
+							stats.startTime = this.startTime;
+							stats.endTime = Date.now();
+							this.compiler.hooks.done.callAsync(stats, err => {
+								if (err) return this._done(err);
+
+								this.compiler.hooks.additionalPass.callAsync(err => {
+									if (err) return this._done(err);
+									this.compiler.compile(onCompiled);
+								});
+							});
+							return;
+						}
+						return this._done(null, compilation);
+					});
+				});
+			};
+			this.compiler.compile(onCompiled);
+		});
+	}
+
+	_getStats(compilation) {
+		const stats = new Stats(compilation);
+		stats.startTime = this.startTime;
+		stats.endTime = Date.now();
+		return stats;
+	}
+
+	_done(err, compilation) {
+		this.running = false;
+		if (this.invalid) return this._go();
+
+		const stats = compilation ? this._getStats(compilation) : null;
+		if (err) {
+			this.compiler.hooks.failed.call(err);
+			this.handler(err, stats);
+			return;
+		}
+		this.compiler.hooks.done.callAsync(stats, () => {
+			this.handler(null, stats);
+			if (!this.closed) {
+				this.watch(
+					Array.from(compilation.fileDependencies),
+					Array.from(compilation.contextDependencies),
+					Array.from(compilation.missingDependencies)
+				);
+			}
+			for (const cb of this.callbacks) cb();
+			this.callbacks.length = 0;
+		});
+	}
+
+	watch(files, dirs, missing) {
+		this.pausedWatcher = null;
+		this.watcher = this.compiler.watchFileSystem.watch(
+			files,
+			dirs,
+			missing,
+			this.startTime,
+			this.watchOptions,
+			(
+				err,
+				filesModified,
+				contextModified,
+				missingModified,
+				fileTimestamps,
+				contextTimestamps,
+				removedFiles
+			) => {
+				this.pausedWatcher = this.watcher;
+				this.watcher = null;
+				if (err) {
+					return this.handler(err);
+				}
+				this.compiler.fileTimestamps = fileTimestamps;
+				this.compiler.contextTimestamps = contextTimestamps;
+				this.compiler.removedFiles = removedFiles;
+				if (!this.suspended) {
+					this._invalidate();
+				}
+			},
+			(fileName, changeTime) => {
+				this.compiler.hooks.invalid.call(fileName, changeTime);
+			}
+		);
+	}
+
+	invalidate(callback) {
+		if (callback) {
+			this.callbacks.push(callback);
+		}
+		if (this.watcher) {
+			this.compiler.fileTimestamps = this.watcher.getFileTimestamps();
+			this.compiler.contextTimestamps = this.watcher.getContextTimestamps();
+		}
+		return this._invalidate();
+	}
+
+	_invalidate() {
+		if (this.watcher) {
+			this.pausedWatcher = this.watcher;
+			this.watcher.pause();
+			this.watcher = null;
+		}
+
+		if (this.running) {
+			this.invalid = true;
+			return false;
+		} else {
+			this._go();
+		}
+	}
+
+	suspend() {
+		this.suspended = true;
+		this.invalid = false;
+	}
+
+	resume() {
+		if (this.suspended) {
+			this.suspended = false;
+			this._invalidate();
+		}
+	}
+
+	close(callback) {
+		const finalCallback = () => {
+			this.compiler.hooks.watchClose.call();
+			this.compiler.running = false;
+			this.compiler.watchMode = false;
+			if (callback !== undefined) callback();
+		};
+
+		this.closed = true;
+		if (this.watcher) {
+			this.watcher.close();
+			this.watcher = null;
+		}
+		if (this.pausedWatcher) {
+			this.pausedWatcher.close();
+			this.pausedWatcher = null;
+		}
+		if (this.running) {
+			this.invalid = true;
+			this._done = finalCallback;
+		} else {
+			finalCallback();
+		}
+	}
+}
+
+module.exports = Watching;
diff --git a/node_modules/webpack/lib/WebpackError.js b/node_modules/webpack/lib/WebpackError.js
new file mode 100644
index 00000000..4f16001b
--- /dev/null
+++ b/node_modules/webpack/lib/WebpackError.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Jarid Margolin @jaridmargolin
+*/
+"use strict";
+
+const inspect = require("util").inspect.custom;
+
+class WebpackError extends Error {
+	/**
+	 * Creates an instance of WebpackError.
+	 * @param {string=} message error message
+	 */
+	constructor(message) {
+		super(message);
+
+		this.details = undefined;
+		this.missing = undefined;
+		this.origin = undefined;
+		this.dependencies = undefined;
+		this.module = undefined;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+
+	[inspect]() {
+		return this.stack + (this.details ? `\n${this.details}` : "");
+	}
+}
+
+module.exports = WebpackError;
diff --git a/node_modules/webpack/lib/WebpackOptionsApply.js b/node_modules/webpack/lib/WebpackOptionsApply.js
new file mode 100644
index 00000000..a80113ef
--- /dev/null
+++ b/node_modules/webpack/lib/WebpackOptionsApply.js
@@ -0,0 +1,546 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const OptionsApply = require("./OptionsApply");
+
+const JavascriptModulesPlugin = require("./JavascriptModulesPlugin");
+const JsonModulesPlugin = require("./JsonModulesPlugin");
+const WebAssemblyModulesPlugin = require("./wasm/WebAssemblyModulesPlugin");
+
+const LoaderTargetPlugin = require("./LoaderTargetPlugin");
+const FunctionModulePlugin = require("./FunctionModulePlugin");
+const EvalDevToolModulePlugin = require("./EvalDevToolModulePlugin");
+const SourceMapDevToolPlugin = require("./SourceMapDevToolPlugin");
+const EvalSourceMapDevToolPlugin = require("./EvalSourceMapDevToolPlugin");
+
+const EntryOptionPlugin = require("./EntryOptionPlugin");
+const RecordIdsPlugin = require("./RecordIdsPlugin");
+
+const APIPlugin = require("./APIPlugin");
+const ConstPlugin = require("./ConstPlugin");
+const CommonJsStuffPlugin = require("./CommonJsStuffPlugin");
+const CompatibilityPlugin = require("./CompatibilityPlugin");
+
+const TemplatedPathPlugin = require("./TemplatedPathPlugin");
+const WarnCaseSensitiveModulesPlugin = require("./WarnCaseSensitiveModulesPlugin");
+const UseStrictPlugin = require("./UseStrictPlugin");
+
+const LoaderPlugin = require("./dependencies/LoaderPlugin");
+const CommonJsPlugin = require("./dependencies/CommonJsPlugin");
+const HarmonyModulesPlugin = require("./dependencies/HarmonyModulesPlugin");
+const SystemPlugin = require("./dependencies/SystemPlugin");
+const ImportPlugin = require("./dependencies/ImportPlugin");
+const RequireContextPlugin = require("./dependencies/RequireContextPlugin");
+const RequireEnsurePlugin = require("./dependencies/RequireEnsurePlugin");
+const RequireIncludePlugin = require("./dependencies/RequireIncludePlugin");
+
+const { cachedCleverMerge } = require("./util/cleverMerge");
+
+/** @typedef {import("../declarations/WebpackOptions").WebpackOptions} WebpackOptions */
+/** @typedef {import("./Compiler")} Compiler */
+
+class WebpackOptionsApply extends OptionsApply {
+	constructor() {
+		super();
+	}
+
+	/**
+	 * @param {WebpackOptions} options options object
+	 * @param {Compiler} compiler compiler object
+	 * @returns {WebpackOptions} options object
+	 */
+	process(options, compiler) {
+		let ExternalsPlugin;
+		compiler.outputPath = options.output.path;
+		compiler.recordsInputPath = options.recordsInputPath || options.recordsPath;
+		compiler.recordsOutputPath =
+			options.recordsOutputPath || options.recordsPath;
+		compiler.name = options.name;
+		// TODO webpack 5 refactor this to MultiCompiler.setDependencies() with a WeakMap
+		// @ts-ignore TODO
+		compiler.dependencies = options.dependencies;
+		if (typeof options.target === "string") {
+			let JsonpTemplatePlugin;
+			let FetchCompileWasmTemplatePlugin;
+			let ReadFileCompileWasmTemplatePlugin;
+			let NodeSourcePlugin;
+			let NodeTargetPlugin;
+			let NodeTemplatePlugin;
+
+			switch (options.target) {
+				case "web":
+					JsonpTemplatePlugin = require("./web/JsonpTemplatePlugin");
+					FetchCompileWasmTemplatePlugin = require("./web/FetchCompileWasmTemplatePlugin");
+					NodeSourcePlugin = require("./node/NodeSourcePlugin");
+					new JsonpTemplatePlugin().apply(compiler);
+					new FetchCompileWasmTemplatePlugin({
+						mangleImports: options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeSourcePlugin(options.node).apply(compiler);
+					new LoaderTargetPlugin(options.target).apply(compiler);
+					break;
+				case "webworker": {
+					let WebWorkerTemplatePlugin = require("./webworker/WebWorkerTemplatePlugin");
+					FetchCompileWasmTemplatePlugin = require("./web/FetchCompileWasmTemplatePlugin");
+					NodeSourcePlugin = require("./node/NodeSourcePlugin");
+					new WebWorkerTemplatePlugin().apply(compiler);
+					new FetchCompileWasmTemplatePlugin({
+						mangleImports: options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeSourcePlugin(options.node).apply(compiler);
+					new LoaderTargetPlugin(options.target).apply(compiler);
+					break;
+				}
+				case "node":
+				case "async-node":
+					NodeTemplatePlugin = require("./node/NodeTemplatePlugin");
+					ReadFileCompileWasmTemplatePlugin = require("./node/ReadFileCompileWasmTemplatePlugin");
+					NodeTargetPlugin = require("./node/NodeTargetPlugin");
+					new NodeTemplatePlugin({
+						asyncChunkLoading: options.target === "async-node"
+					}).apply(compiler);
+					new ReadFileCompileWasmTemplatePlugin({
+						mangleImports: options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeTargetPlugin().apply(compiler);
+					new LoaderTargetPlugin("node").apply(compiler);
+					break;
+				case "node-webkit":
+					JsonpTemplatePlugin = require("./web/JsonpTemplatePlugin");
+					NodeTargetPlugin = require("./node/NodeTargetPlugin");
+					ExternalsPlugin = require("./ExternalsPlugin");
+					new JsonpTemplatePlugin().apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeTargetPlugin().apply(compiler);
+					new ExternalsPlugin("commonjs", "nw.gui").apply(compiler);
+					new LoaderTargetPlugin(options.target).apply(compiler);
+					break;
+				case "electron-main":
+					NodeTemplatePlugin = require("./node/NodeTemplatePlugin");
+					NodeTargetPlugin = require("./node/NodeTargetPlugin");
+					ExternalsPlugin = require("./ExternalsPlugin");
+					new NodeTemplatePlugin({
+						asyncChunkLoading: true
+					}).apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeTargetPlugin().apply(compiler);
+					new ExternalsPlugin("commonjs", [
+						"app",
+						"auto-updater",
+						"browser-window",
+						"clipboard",
+						"content-tracing",
+						"crash-reporter",
+						"dialog",
+						"electron",
+						"global-shortcut",
+						"ipc",
+						"ipc-main",
+						"menu",
+						"menu-item",
+						"native-image",
+						"original-fs",
+						"power-monitor",
+						"power-save-blocker",
+						"protocol",
+						"screen",
+						"session",
+						"shell",
+						"tray",
+						"web-contents"
+					]).apply(compiler);
+					new LoaderTargetPlugin(options.target).apply(compiler);
+					break;
+				case "electron-renderer":
+				case "electron-preload":
+					FetchCompileWasmTemplatePlugin = require("./web/FetchCompileWasmTemplatePlugin");
+					NodeTargetPlugin = require("./node/NodeTargetPlugin");
+					ExternalsPlugin = require("./ExternalsPlugin");
+					if (options.target === "electron-renderer") {
+						JsonpTemplatePlugin = require("./web/JsonpTemplatePlugin");
+						new JsonpTemplatePlugin().apply(compiler);
+					} else if (options.target === "electron-preload") {
+						NodeTemplatePlugin = require("./node/NodeTemplatePlugin");
+						new NodeTemplatePlugin({
+							asyncChunkLoading: true
+						}).apply(compiler);
+					}
+					new FetchCompileWasmTemplatePlugin({
+						mangleImports: options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new FunctionModulePlugin().apply(compiler);
+					new NodeTargetPlugin().apply(compiler);
+					new ExternalsPlugin("commonjs", [
+						"clipboard",
+						"crash-reporter",
+						"desktop-capturer",
+						"electron",
+						"ipc",
+						"ipc-renderer",
+						"native-image",
+						"original-fs",
+						"remote",
+						"screen",
+						"shell",
+						"web-frame"
+					]).apply(compiler);
+					new LoaderTargetPlugin(options.target).apply(compiler);
+					break;
+				default:
+					throw new Error("Unsupported target '" + options.target + "'.");
+			}
+		}
+		// @ts-ignore This is always true, which is good this way
+		else if (options.target !== false) {
+			options.target(compiler);
+		} else {
+			throw new Error("Unsupported target '" + options.target + "'.");
+		}
+
+		if (options.output.library || options.output.libraryTarget !== "var") {
+			const LibraryTemplatePlugin = require("./LibraryTemplatePlugin");
+			new LibraryTemplatePlugin(
+				options.output.library,
+				options.output.libraryTarget,
+				options.output.umdNamedDefine,
+				options.output.auxiliaryComment || "",
+				options.output.libraryExport
+			).apply(compiler);
+		}
+		if (options.externals) {
+			ExternalsPlugin = require("./ExternalsPlugin");
+			new ExternalsPlugin(
+				options.output.libraryTarget,
+				options.externals
+			).apply(compiler);
+		}
+
+		let noSources;
+		let legacy;
+		let modern;
+		let comment;
+		if (
+			options.devtool &&
+			(options.devtool.includes("sourcemap") ||
+				options.devtool.includes("source-map"))
+		) {
+			const hidden = options.devtool.includes("hidden");
+			const inline = options.devtool.includes("inline");
+			const evalWrapped = options.devtool.includes("eval");
+			const cheap = options.devtool.includes("cheap");
+			const moduleMaps = options.devtool.includes("module");
+			noSources = options.devtool.includes("nosources");
+			legacy = options.devtool.includes("@");
+			modern = options.devtool.includes("#");
+			comment =
+				legacy && modern
+					? "\n/*\n//@ source" +
+					  "MappingURL=[url]\n//# source" +
+					  "MappingURL=[url]\n*/"
+					: legacy
+					? "\n/*\n//@ source" + "MappingURL=[url]\n*/"
+					: modern
+					? "\n//# source" + "MappingURL=[url]"
+					: null;
+			const Plugin = evalWrapped
+				? EvalSourceMapDevToolPlugin
+				: SourceMapDevToolPlugin;
+			new Plugin({
+				filename: inline ? null : options.output.sourceMapFilename,
+				moduleFilenameTemplate: options.output.devtoolModuleFilenameTemplate,
+				fallbackModuleFilenameTemplate:
+					options.output.devtoolFallbackModuleFilenameTemplate,
+				append: hidden ? false : comment,
+				module: moduleMaps ? true : cheap ? false : true,
+				columns: cheap ? false : true,
+				lineToLine: options.output.devtoolLineToLine,
+				noSources: noSources,
+				namespace: options.output.devtoolNamespace
+			}).apply(compiler);
+		} else if (options.devtool && options.devtool.includes("eval")) {
+			legacy = options.devtool.includes("@");
+			modern = options.devtool.includes("#");
+			comment =
+				legacy && modern
+					? "\n//@ sourceURL=[url]\n//# sourceURL=[url]"
+					: legacy
+					? "\n//@ sourceURL=[url]"
+					: modern
+					? "\n//# sourceURL=[url]"
+					: null;
+			new EvalDevToolModulePlugin({
+				sourceUrlComment: comment,
+				moduleFilenameTemplate: options.output.devtoolModuleFilenameTemplate,
+				namespace: options.output.devtoolNamespace
+			}).apply(compiler);
+		}
+
+		new JavascriptModulesPlugin().apply(compiler);
+		new JsonModulesPlugin().apply(compiler);
+		new WebAssemblyModulesPlugin({
+			mangleImports: options.optimization.mangleWasmImports
+		}).apply(compiler);
+
+		new EntryOptionPlugin().apply(compiler);
+		compiler.hooks.entryOption.call(options.context, options.entry);
+
+		new CompatibilityPlugin().apply(compiler);
+		new HarmonyModulesPlugin(options.module).apply(compiler);
+		if (options.amd !== false) {
+			const AMDPlugin = require("./dependencies/AMDPlugin");
+			const RequireJsStuffPlugin = require("./RequireJsStuffPlugin");
+			new AMDPlugin(options.module, options.amd || {}).apply(compiler);
+			new RequireJsStuffPlugin().apply(compiler);
+		}
+		new CommonJsPlugin(options.module).apply(compiler);
+		new LoaderPlugin().apply(compiler);
+		if (options.node !== false) {
+			const NodeStuffPlugin = require("./NodeStuffPlugin");
+			new NodeStuffPlugin(options.node).apply(compiler);
+		}
+		new CommonJsStuffPlugin().apply(compiler);
+		new APIPlugin().apply(compiler);
+		new ConstPlugin().apply(compiler);
+		new UseStrictPlugin().apply(compiler);
+		new RequireIncludePlugin().apply(compiler);
+		new RequireEnsurePlugin().apply(compiler);
+		new RequireContextPlugin(
+			options.resolve.modules,
+			options.resolve.extensions,
+			options.resolve.mainFiles
+		).apply(compiler);
+		new ImportPlugin(options.module).apply(compiler);
+		new SystemPlugin(options.module).apply(compiler);
+
+		if (typeof options.mode !== "string") {
+			const WarnNoModeSetPlugin = require("./WarnNoModeSetPlugin");
+			new WarnNoModeSetPlugin().apply(compiler);
+		}
+
+		const EnsureChunkConditionsPlugin = require("./optimize/EnsureChunkConditionsPlugin");
+		new EnsureChunkConditionsPlugin().apply(compiler);
+		if (options.optimization.removeAvailableModules) {
+			const RemoveParentModulesPlugin = require("./optimize/RemoveParentModulesPlugin");
+			new RemoveParentModulesPlugin().apply(compiler);
+		}
+		if (options.optimization.removeEmptyChunks) {
+			const RemoveEmptyChunksPlugin = require("./optimize/RemoveEmptyChunksPlugin");
+			new RemoveEmptyChunksPlugin().apply(compiler);
+		}
+		if (options.optimization.mergeDuplicateChunks) {
+			const MergeDuplicateChunksPlugin = require("./optimize/MergeDuplicateChunksPlugin");
+			new MergeDuplicateChunksPlugin().apply(compiler);
+		}
+		if (options.optimization.flagIncludedChunks) {
+			const FlagIncludedChunksPlugin = require("./optimize/FlagIncludedChunksPlugin");
+			new FlagIncludedChunksPlugin().apply(compiler);
+		}
+		if (options.optimization.sideEffects) {
+			const SideEffectsFlagPlugin = require("./optimize/SideEffectsFlagPlugin");
+			new SideEffectsFlagPlugin().apply(compiler);
+		}
+		if (options.optimization.providedExports) {
+			const FlagDependencyExportsPlugin = require("./FlagDependencyExportsPlugin");
+			new FlagDependencyExportsPlugin().apply(compiler);
+		}
+		if (options.optimization.usedExports) {
+			const FlagDependencyUsagePlugin = require("./FlagDependencyUsagePlugin");
+			new FlagDependencyUsagePlugin().apply(compiler);
+		}
+		if (options.optimization.concatenateModules) {
+			const ModuleConcatenationPlugin = require("./optimize/ModuleConcatenationPlugin");
+			new ModuleConcatenationPlugin().apply(compiler);
+		}
+		if (options.optimization.splitChunks) {
+			const SplitChunksPlugin = require("./optimize/SplitChunksPlugin");
+			new SplitChunksPlugin(options.optimization.splitChunks).apply(compiler);
+		}
+		if (options.optimization.runtimeChunk) {
+			const RuntimeChunkPlugin = require("./optimize/RuntimeChunkPlugin");
+			new RuntimeChunkPlugin(options.optimization.runtimeChunk).apply(compiler);
+		}
+		if (options.optimization.noEmitOnErrors) {
+			const NoEmitOnErrorsPlugin = require("./NoEmitOnErrorsPlugin");
+			new NoEmitOnErrorsPlugin().apply(compiler);
+		}
+		if (options.optimization.checkWasmTypes) {
+			const WasmFinalizeExportsPlugin = require("./wasm/WasmFinalizeExportsPlugin");
+			new WasmFinalizeExportsPlugin().apply(compiler);
+		}
+		let moduleIds = options.optimization.moduleIds;
+		if (moduleIds === undefined) {
+			// TODO webpack 5 remove all these options
+			if (options.optimization.occurrenceOrder) {
+				moduleIds = "size";
+			}
+			if (options.optimization.namedModules) {
+				moduleIds = "named";
+			}
+			if (options.optimization.hashedModuleIds) {
+				moduleIds = "hashed";
+			}
+			if (moduleIds === undefined) {
+				moduleIds = "natural";
+			}
+		}
+		if (moduleIds) {
+			const NamedModulesPlugin = require("./NamedModulesPlugin");
+			const HashedModuleIdsPlugin = require("./HashedModuleIdsPlugin");
+			const OccurrenceModuleOrderPlugin = require("./optimize/OccurrenceModuleOrderPlugin");
+			switch (moduleIds) {
+				case "natural":
+					// TODO webpack 5: see hint in Compilation.sortModules
+					break;
+				case "named":
+					new NamedModulesPlugin().apply(compiler);
+					break;
+				case "hashed":
+					new HashedModuleIdsPlugin().apply(compiler);
+					break;
+				case "size":
+					new OccurrenceModuleOrderPlugin({
+						prioritiseInitial: true
+					}).apply(compiler);
+					break;
+				case "total-size":
+					new OccurrenceModuleOrderPlugin({
+						prioritiseInitial: false
+					}).apply(compiler);
+					break;
+				default:
+					throw new Error(
+						`webpack bug: moduleIds: ${moduleIds} is not implemented`
+					);
+			}
+		}
+		let chunkIds = options.optimization.chunkIds;
+		if (chunkIds === undefined) {
+			// TODO webpack 5 remove all these options
+			if (options.optimization.occurrenceOrder) {
+				// This looks weird but it's for backward-compat
+				// This bug already existed before adding this feature
+				chunkIds = "total-size";
+			}
+			if (options.optimization.namedChunks) {
+				chunkIds = "named";
+			}
+			if (chunkIds === undefined) {
+				chunkIds = "natural";
+			}
+		}
+		if (chunkIds) {
+			const NaturalChunkOrderPlugin = require("./optimize/NaturalChunkOrderPlugin");
+			const NamedChunksPlugin = require("./NamedChunksPlugin");
+			const OccurrenceChunkOrderPlugin = require("./optimize/OccurrenceChunkOrderPlugin");
+			switch (chunkIds) {
+				case "natural":
+					new NaturalChunkOrderPlugin().apply(compiler);
+					break;
+				case "named":
+					// TODO webapck 5: for backward-compat this need to have OccurrenceChunkOrderPlugin too
+					// The NamedChunksPlugin doesn't give every chunk a name
+					// This should be fixed, and the OccurrenceChunkOrderPlugin should be removed here.
+					new OccurrenceChunkOrderPlugin({
+						prioritiseInitial: false
+					}).apply(compiler);
+					new NamedChunksPlugin().apply(compiler);
+					break;
+				case "size":
+					new OccurrenceChunkOrderPlugin({
+						prioritiseInitial: true
+					}).apply(compiler);
+					break;
+				case "total-size":
+					new OccurrenceChunkOrderPlugin({
+						prioritiseInitial: false
+					}).apply(compiler);
+					break;
+				default:
+					throw new Error(
+						`webpack bug: chunkIds: ${chunkIds} is not implemented`
+					);
+			}
+		}
+		if (options.optimization.nodeEnv) {
+			const DefinePlugin = require("./DefinePlugin");
+			new DefinePlugin({
+				"process.env.NODE_ENV": JSON.stringify(options.optimization.nodeEnv)
+			}).apply(compiler);
+		}
+		if (options.optimization.minimize) {
+			for (const minimizer of options.optimization.minimizer) {
+				if (typeof minimizer === "function") {
+					minimizer.call(compiler, compiler);
+				} else {
+					minimizer.apply(compiler);
+				}
+			}
+		}
+
+		if (options.performance) {
+			const SizeLimitsPlugin = require("./performance/SizeLimitsPlugin");
+			new SizeLimitsPlugin(options.performance).apply(compiler);
+		}
+
+		new TemplatedPathPlugin().apply(compiler);
+
+		new RecordIdsPlugin({
+			portableIds: options.optimization.portableRecords
+		}).apply(compiler);
+
+		new WarnCaseSensitiveModulesPlugin().apply(compiler);
+
+		if (options.cache) {
+			const CachePlugin = require("./CachePlugin");
+			new CachePlugin(
+				typeof options.cache === "object" ? options.cache : null
+			).apply(compiler);
+		}
+
+		compiler.hooks.afterPlugins.call(compiler);
+		if (!compiler.inputFileSystem) {
+			throw new Error("No input filesystem provided");
+		}
+		compiler.resolverFactory.hooks.resolveOptions
+			.for("normal")
+			.tap("WebpackOptionsApply", resolveOptions => {
+				return Object.assign(
+					{
+						fileSystem: compiler.inputFileSystem
+					},
+					cachedCleverMerge(options.resolve, resolveOptions)
+				);
+			});
+		compiler.resolverFactory.hooks.resolveOptions
+			.for("context")
+			.tap("WebpackOptionsApply", resolveOptions => {
+				return Object.assign(
+					{
+						fileSystem: compiler.inputFileSystem,
+						resolveToContext: true
+					},
+					cachedCleverMerge(options.resolve, resolveOptions)
+				);
+			});
+		compiler.resolverFactory.hooks.resolveOptions
+			.for("loader")
+			.tap("WebpackOptionsApply", resolveOptions => {
+				return Object.assign(
+					{
+						fileSystem: compiler.inputFileSystem
+					},
+					cachedCleverMerge(options.resolveLoader, resolveOptions)
+				);
+			});
+		compiler.hooks.afterResolvers.call(compiler);
+		return options;
+	}
+}
+
+module.exports = WebpackOptionsApply;
diff --git a/node_modules/webpack/lib/WebpackOptionsDefaulter.js b/node_modules/webpack/lib/WebpackOptionsDefaulter.js
new file mode 100644
index 00000000..f0e552f6
--- /dev/null
+++ b/node_modules/webpack/lib/WebpackOptionsDefaulter.js
@@ -0,0 +1,391 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+
+const OptionsDefaulter = require("./OptionsDefaulter");
+const Template = require("./Template");
+
+const isProductionLikeMode = options => {
+	return options.mode === "production" || !options.mode;
+};
+
+const isWebLikeTarget = options => {
+	return options.target === "web" || options.target === "webworker";
+};
+
+const getDevtoolNamespace = library => {
+	// if options.output.library is a string
+	if (Array.isArray(library)) {
+		return library.join(".");
+	} else if (typeof library === "object") {
+		return getDevtoolNamespace(library.root);
+	}
+	return library || "";
+};
+
+class WebpackOptionsDefaulter extends OptionsDefaulter {
+	constructor() {
+		super();
+
+		this.set("entry", "./src");
+
+		this.set("devtool", "make", options =>
+			options.mode === "development" ? "eval" : false
+		);
+		this.set("cache", "make", options => options.mode === "development");
+
+		this.set("context", process.cwd());
+		this.set("target", "web");
+
+		this.set("module", "call", value => Object.assign({}, value));
+		this.set("module.unknownContextRequest", ".");
+		this.set("module.unknownContextRegExp", false);
+		this.set("module.unknownContextRecursive", true);
+		this.set("module.unknownContextCritical", true);
+		this.set("module.exprContextRequest", ".");
+		this.set("module.exprContextRegExp", false);
+		this.set("module.exprContextRecursive", true);
+		this.set("module.exprContextCritical", true);
+		this.set("module.wrappedContextRegExp", /.*/);
+		this.set("module.wrappedContextRecursive", true);
+		this.set("module.wrappedContextCritical", false);
+		this.set("module.strictExportPresence", false);
+		this.set("module.strictThisContextOnImports", false);
+		this.set("module.unsafeCache", "make", options => !!options.cache);
+		this.set("module.rules", []);
+		this.set("module.defaultRules", "make", options => [
+			{
+				type: "javascript/auto",
+				resolve: {}
+			},
+			{
+				test: /\.mjs$/i,
+				type: "javascript/esm",
+				resolve: {
+					mainFields:
+						options.target === "web" ||
+						options.target === "webworker" ||
+						options.target === "electron-renderer"
+							? ["browser", "main"]
+							: ["main"]
+				}
+			},
+			{
+				test: /\.json$/i,
+				type: "json"
+			},
+			{
+				test: /\.wasm$/i,
+				type: "webassembly/experimental"
+			}
+		]);
+
+		this.set("output", "call", (value, options) => {
+			if (typeof value === "string") {
+				return {
+					filename: value
+				};
+			} else if (typeof value !== "object") {
+				return {};
+			} else {
+				return Object.assign({}, value);
+			}
+		});
+
+		this.set("output.filename", "[name].js");
+		this.set("output.chunkFilename", "make", options => {
+			const filename = options.output.filename;
+			if (typeof filename !== "function") {
+				const hasName = filename.includes("[name]");
+				const hasId = filename.includes("[id]");
+				const hasChunkHash = filename.includes("[chunkhash]");
+				// Anything changing depending on chunk is fine
+				if (hasChunkHash || hasName || hasId) return filename;
+				// Elsewise prefix "[id]." in front of the basename to make it changing
+				return filename.replace(/(^|\/)([^/]*(?:\?|$))/, "$1[id].$2");
+			}
+			return "[id].js";
+		});
+		this.set("output.webassemblyModuleFilename", "[modulehash].module.wasm");
+		this.set("output.library", "");
+		this.set("output.hotUpdateFunction", "make", options => {
+			return Template.toIdentifier(
+				"webpackHotUpdate" + Template.toIdentifier(options.output.library)
+			);
+		});
+		this.set("output.jsonpFunction", "make", options => {
+			return Template.toIdentifier(
+				"webpackJsonp" + Template.toIdentifier(options.output.library)
+			);
+		});
+		this.set("output.chunkCallbackName", "make", options => {
+			return Template.toIdentifier(
+				"webpackChunk" + Template.toIdentifier(options.output.library)
+			);
+		});
+		this.set("output.globalObject", "make", options => {
+			switch (options.target) {
+				case "web":
+				case "electron-renderer":
+				case "node-webkit":
+					return "window";
+				case "webworker":
+					return "self";
+				case "node":
+				case "async-node":
+				case "electron-main":
+					return "global";
+				default:
+					return "self";
+			}
+		});
+		this.set("output.devtoolNamespace", "make", options => {
+			return getDevtoolNamespace(options.output.library);
+		});
+		this.set("output.libraryTarget", "var");
+		this.set("output.path", path.join(process.cwd(), "dist"));
+		this.set(
+			"output.pathinfo",
+			"make",
+			options => options.mode === "development"
+		);
+		this.set("output.sourceMapFilename", "[file].map[query]");
+		this.set("output.hotUpdateChunkFilename", "[id].[hash].hot-update.js");
+		this.set("output.hotUpdateMainFilename", "[hash].hot-update.json");
+		this.set("output.crossOriginLoading", false);
+		this.set("output.jsonpScriptType", false);
+		this.set("output.chunkLoadTimeout", 120000);
+		this.set("output.hashFunction", "md4");
+		this.set("output.hashDigest", "hex");
+		this.set("output.hashDigestLength", 20);
+		this.set("output.devtoolLineToLine", false);
+		this.set("output.strictModuleExceptionHandling", false);
+
+		this.set("node", "call", value => {
+			if (typeof value === "boolean") {
+				return value;
+			} else {
+				return Object.assign({}, value);
+			}
+		});
+		this.set("node.console", false);
+		this.set("node.process", true);
+		this.set("node.global", true);
+		this.set("node.Buffer", true);
+		this.set("node.setImmediate", true);
+		this.set("node.__filename", "mock");
+		this.set("node.__dirname", "mock");
+
+		this.set("performance", "call", (value, options) => {
+			if (value === false) return false;
+			if (
+				value === undefined &&
+				(!isProductionLikeMode(options) || !isWebLikeTarget(options))
+			)
+				return false;
+			return Object.assign({}, value);
+		});
+		this.set("performance.maxAssetSize", 250000);
+		this.set("performance.maxEntrypointSize", 250000);
+		this.set("performance.hints", "make", options =>
+			isProductionLikeMode(options) ? "warning" : false
+		);
+
+		this.set("optimization", "call", value => Object.assign({}, value));
+		// TODO webpack 5: Disable by default in a modes
+		this.set(
+			"optimization.removeAvailableModules",
+			"make",
+			options => options.mode !== "development"
+		);
+		this.set("optimization.removeEmptyChunks", true);
+		this.set("optimization.mergeDuplicateChunks", true);
+		this.set("optimization.flagIncludedChunks", "make", options =>
+			isProductionLikeMode(options)
+		);
+		// TODO webpack 5 add `moduleIds: "named"` default for development
+		// TODO webpack 5 add `moduleIds: "size"` default for production
+		// TODO webpack 5 remove optimization.occurrenceOrder
+		this.set("optimization.occurrenceOrder", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.sideEffects", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.providedExports", true);
+		this.set("optimization.usedExports", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.concatenateModules", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.splitChunks", {});
+		this.set("optimization.splitChunks.hidePathInfo", "make", options => {
+			return isProductionLikeMode(options);
+		});
+		this.set("optimization.splitChunks.chunks", "async");
+		this.set("optimization.splitChunks.minSize", "make", options => {
+			return isProductionLikeMode(options) ? 30000 : 10000;
+		});
+		this.set("optimization.splitChunks.minChunks", 1);
+		this.set("optimization.splitChunks.maxAsyncRequests", "make", options => {
+			return isProductionLikeMode(options) ? 5 : Infinity;
+		});
+		this.set("optimization.splitChunks.automaticNameDelimiter", "~");
+		this.set("optimization.splitChunks.automaticNameMaxLength", 109);
+		this.set("optimization.splitChunks.maxInitialRequests", "make", options => {
+			return isProductionLikeMode(options) ? 3 : Infinity;
+		});
+		this.set("optimization.splitChunks.name", true);
+		this.set("optimization.splitChunks.cacheGroups", {});
+		this.set("optimization.splitChunks.cacheGroups.default", {
+			automaticNamePrefix: "",
+			reuseExistingChunk: true,
+			minChunks: 2,
+			priority: -20
+		});
+		this.set("optimization.splitChunks.cacheGroups.vendors", {
+			automaticNamePrefix: "vendors",
+			test: /[\\/]node_modules[\\/]/,
+			priority: -10
+		});
+		this.set("optimization.runtimeChunk", "call", value => {
+			if (value === "single") {
+				return {
+					name: "runtime"
+				};
+			}
+			if (value === true || value === "multiple") {
+				return {
+					name: entrypoint => `runtime~${entrypoint.name}`
+				};
+			}
+			return value;
+		});
+		this.set("optimization.noEmitOnErrors", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.checkWasmTypes", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.mangleWasmImports", false);
+		// TODO webpack 5 remove optimization.namedModules
+		this.set(
+			"optimization.namedModules",
+			"make",
+			options => options.mode === "development"
+		);
+		this.set("optimization.hashedModuleIds", false);
+		// TODO webpack 5 add `chunkIds: "named"` default for development
+		// TODO webpack 5 add `chunkIds: "size"` default for production
+		// TODO webpack 5 remove optimization.namedChunks
+		this.set(
+			"optimization.namedChunks",
+			"make",
+			options => options.mode === "development"
+		);
+		this.set(
+			"optimization.portableRecords",
+			"make",
+			options =>
+				!!(
+					options.recordsInputPath ||
+					options.recordsOutputPath ||
+					options.recordsPath
+				)
+		);
+		this.set("optimization.minimize", "make", options =>
+			isProductionLikeMode(options)
+		);
+		this.set("optimization.minimizer", "make", options => [
+			{
+				apply: compiler => {
+					// Lazy load the Terser plugin
+					const TerserPlugin = require("terser-webpack-plugin");
+					const SourceMapDevToolPlugin = require("./SourceMapDevToolPlugin");
+					new TerserPlugin({
+						cache: true,
+						parallel: true,
+						sourceMap:
+							(options.devtool && /source-?map/.test(options.devtool)) ||
+							(options.plugins &&
+								options.plugins.some(p => p instanceof SourceMapDevToolPlugin))
+					}).apply(compiler);
+				}
+			}
+		]);
+		this.set("optimization.nodeEnv", "make", options => {
+			// TODO: In webpack 5, it should return `false` when mode is `none`
+			return options.mode || "production";
+		});
+
+		this.set("resolve", "call", value => Object.assign({}, value));
+		this.set("resolve.unsafeCache", true);
+		this.set("resolve.modules", ["node_modules"]);
+		this.set("resolve.extensions", [".wasm", ".mjs", ".js", ".json"]);
+		this.set("resolve.mainFiles", ["index"]);
+		this.set("resolve.aliasFields", "make", options => {
+			if (
+				options.target === "web" ||
+				options.target === "webworker" ||
+				options.target === "electron-renderer"
+			) {
+				return ["browser"];
+			} else {
+				return [];
+			}
+		});
+		this.set("resolve.mainFields", "make", options => {
+			if (
+				options.target === "web" ||
+				options.target === "webworker" ||
+				options.target === "electron-renderer"
+			) {
+				return ["browser", "module", "main"];
+			} else {
+				return ["module", "main"];
+			}
+		});
+		this.set("resolve.cacheWithContext", "make", options => {
+			return (
+				Array.isArray(options.resolve.plugins) &&
+				options.resolve.plugins.length > 0
+			);
+		});
+		this.set(
+			"resolve.preferAbsolute",
+			"make",
+			options => !options.resolve.roots || options.resolve.roots.length === 0
+		);
+		this.set(
+			"resolve.ignoreRootsErrors",
+			"make",
+			options => !options.resolve.roots || options.resolve.roots.length === 0
+		);
+		this.set("resolve.roots", "make", options => [options.context]);
+
+		this.set("resolveLoader", "call", value => Object.assign({}, value));
+		this.set("resolveLoader.unsafeCache", true);
+		this.set("resolveLoader.mainFields", ["loader", "main"]);
+		this.set("resolveLoader.extensions", [".js", ".json"]);
+		this.set("resolveLoader.mainFiles", ["index"]);
+		this.set("resolveLoader.cacheWithContext", "make", options => {
+			return (
+				Array.isArray(options.resolveLoader.plugins) &&
+				options.resolveLoader.plugins.length > 0
+			);
+		});
+
+		this.set("infrastructureLogging", "call", value =>
+			Object.assign({}, value)
+		);
+		this.set("infrastructureLogging.level", "info");
+		this.set("infrastructureLogging.debug", false);
+	}
+}
+
+module.exports = WebpackOptionsDefaulter;
diff --git a/node_modules/webpack/lib/WebpackOptionsValidationError.js b/node_modules/webpack/lib/WebpackOptionsValidationError.js
new file mode 100644
index 00000000..5f5da575
--- /dev/null
+++ b/node_modules/webpack/lib/WebpackOptionsValidationError.js
@@ -0,0 +1,390 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Gajus Kuizinas @gajus
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+const webpackOptionsSchema = require("../schemas/WebpackOptions.json");
+
+const getSchemaPart = (path, parents, additionalPath) => {
+	parents = parents || 0;
+	path = path.split("/");
+	path = path.slice(0, path.length - parents);
+	if (additionalPath) {
+		additionalPath = additionalPath.split("/");
+		path = path.concat(additionalPath);
+	}
+	let schemaPart = webpackOptionsSchema;
+	for (let i = 1; i < path.length; i++) {
+		const inner = schemaPart[path[i]];
+		if (inner) schemaPart = inner;
+	}
+	return schemaPart;
+};
+
+const getSchemaPartText = (schemaPart, additionalPath) => {
+	if (additionalPath) {
+		for (let i = 0; i < additionalPath.length; i++) {
+			const inner = schemaPart[additionalPath[i]];
+			if (inner) schemaPart = inner;
+		}
+	}
+	while (schemaPart.$ref) {
+		schemaPart = getSchemaPart(schemaPart.$ref);
+	}
+	let schemaText = WebpackOptionsValidationError.formatSchema(schemaPart);
+	if (schemaPart.description) {
+		schemaText += `\n-> ${schemaPart.description}`;
+	}
+	return schemaText;
+};
+
+const getSchemaPartDescription = schemaPart => {
+	while (schemaPart.$ref) {
+		schemaPart = getSchemaPart(schemaPart.$ref);
+	}
+	if (schemaPart.description) {
+		return `\n-> ${schemaPart.description}`;
+	}
+	return "";
+};
+
+const SPECIFICITY = {
+	type: 1,
+	oneOf: 1,
+	anyOf: 1,
+	allOf: 1,
+	additionalProperties: 2,
+	enum: 1,
+	instanceof: 1,
+	required: 2,
+	minimum: 2,
+	uniqueItems: 2,
+	minLength: 2,
+	minItems: 2,
+	minProperties: 2,
+	absolutePath: 2
+};
+
+const filterMax = (array, fn) => {
+	const max = array.reduce((max, item) => Math.max(max, fn(item)), 0);
+	return array.filter(item => fn(item) === max);
+};
+
+const filterChildren = children => {
+	children = filterMax(children, err =>
+		err.dataPath ? err.dataPath.length : 0
+	);
+	children = filterMax(children, err => SPECIFICITY[err.keyword] || 2);
+	return children;
+};
+
+const indent = (str, prefix, firstLine) => {
+	if (firstLine) {
+		return prefix + str.replace(/\n(?!$)/g, "\n" + prefix);
+	} else {
+		return str.replace(/\n(?!$)/g, `\n${prefix}`);
+	}
+};
+
+class WebpackOptionsValidationError extends WebpackError {
+	constructor(validationErrors) {
+		super(
+			"Invalid configuration object. " +
+				"Webpack has been initialised using a configuration object that does not match the API schema.\n" +
+				validationErrors
+					.map(
+						err =>
+							" - " +
+							indent(
+								WebpackOptionsValidationError.formatValidationError(err),
+								"   ",
+								false
+							)
+					)
+					.join("\n")
+		);
+
+		this.name = "WebpackOptionsValidationError";
+		this.validationErrors = validationErrors;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+
+	static formatSchema(schema, prevSchemas) {
+		prevSchemas = prevSchemas || [];
+
+		const formatInnerSchema = (innerSchema, addSelf) => {
+			if (!addSelf) {
+				return WebpackOptionsValidationError.formatSchema(
+					innerSchema,
+					prevSchemas
+				);
+			}
+			if (prevSchemas.includes(innerSchema)) {
+				return "(recursive)";
+			}
+			return WebpackOptionsValidationError.formatSchema(
+				innerSchema,
+				prevSchemas.concat(schema)
+			);
+		};
+
+		if (schema.type === "string") {
+			if (schema.minLength === 1) {
+				return "non-empty string";
+			}
+			if (schema.minLength > 1) {
+				return `string (min length ${schema.minLength})`;
+			}
+			return "string";
+		}
+		if (schema.type === "boolean") {
+			return "boolean";
+		}
+		if (schema.type === "number") {
+			return "number";
+		}
+		if (schema.type === "object") {
+			if (schema.properties) {
+				const required = schema.required || [];
+				return `object { ${Object.keys(schema.properties)
+					.map(property => {
+						if (!required.includes(property)) return property + "?";
+						return property;
+					})
+					.concat(schema.additionalProperties ? ["…"] : [])
+					.join(", ")} }`;
+			}
+			if (schema.additionalProperties) {
+				return `object { <key>: ${formatInnerSchema(
+					schema.additionalProperties
+				)} }`;
+			}
+			return "object";
+		}
+		if (schema.type === "array") {
+			return `[${formatInnerSchema(schema.items)}]`;
+		}
+
+		switch (schema.instanceof) {
+			case "Function":
+				return "function";
+			case "RegExp":
+				return "RegExp";
+		}
+
+		if (schema.enum) {
+			return schema.enum.map(item => JSON.stringify(item)).join(" | ");
+		}
+
+		if (schema.$ref) {
+			return formatInnerSchema(getSchemaPart(schema.$ref), true);
+		}
+		if (schema.allOf) {
+			return schema.allOf.map(formatInnerSchema).join(" & ");
+		}
+		if (schema.oneOf) {
+			return schema.oneOf.map(formatInnerSchema).join(" | ");
+		}
+		if (schema.anyOf) {
+			return schema.anyOf.map(formatInnerSchema).join(" | ");
+		}
+		return JSON.stringify(schema, null, 2);
+	}
+
+	static formatValidationError(err) {
+		const dataPath = `configuration${err.dataPath}`;
+		if (err.keyword === "additionalProperties") {
+			const baseMessage = `${dataPath} has an unknown property '${
+				err.params.additionalProperty
+			}'. These properties are valid:\n${getSchemaPartText(err.parentSchema)}`;
+			if (!err.dataPath) {
+				switch (err.params.additionalProperty) {
+					case "debug":
+						return (
+							`${baseMessage}\n` +
+							"The 'debug' property was removed in webpack 2.0.0.\n" +
+							"Loaders should be updated to allow passing this option via loader options in module.rules.\n" +
+							"Until loaders are updated one can use the LoaderOptionsPlugin to switch loaders into debug mode:\n" +
+							"plugins: [\n" +
+							"  new webpack.LoaderOptionsPlugin({\n" +
+							"    debug: true\n" +
+							"  })\n" +
+							"]"
+						);
+				}
+				return (
+					`${baseMessage}\n` +
+					"For typos: please correct them.\n" +
+					"For loader options: webpack >= v2.0.0 no longer allows custom properties in configuration.\n" +
+					"  Loaders should be updated to allow passing options via loader options in module.rules.\n" +
+					"  Until loaders are updated one can use the LoaderOptionsPlugin to pass these options to the loader:\n" +
+					"  plugins: [\n" +
+					"    new webpack.LoaderOptionsPlugin({\n" +
+					"      // test: /\\.xxx$/, // may apply this only for some modules\n" +
+					"      options: {\n" +
+					`        ${err.params.additionalProperty}: …\n` +
+					"      }\n" +
+					"    })\n" +
+					"  ]"
+				);
+			}
+			return baseMessage;
+		} else if (err.keyword === "oneOf" || err.keyword === "anyOf") {
+			if (err.children && err.children.length > 0) {
+				if (err.schema.length === 1) {
+					const lastChild = err.children[err.children.length - 1];
+					const remainingChildren = err.children.slice(
+						0,
+						err.children.length - 1
+					);
+					return WebpackOptionsValidationError.formatValidationError(
+						Object.assign({}, lastChild, {
+							children: remainingChildren,
+							parentSchema: Object.assign(
+								{},
+								err.parentSchema,
+								lastChild.parentSchema
+							)
+						})
+					);
+				}
+				const children = filterChildren(err.children);
+				if (children.length === 1) {
+					return WebpackOptionsValidationError.formatValidationError(
+						children[0]
+					);
+				}
+				return (
+					`${dataPath} should be one of these:\n${getSchemaPartText(
+						err.parentSchema
+					)}\n` +
+					`Details:\n${children
+						.map(
+							err =>
+								" * " +
+								indent(
+									WebpackOptionsValidationError.formatValidationError(err),
+									"   ",
+									false
+								)
+						)
+						.join("\n")}`
+				);
+			}
+			return `${dataPath} should be one of these:\n${getSchemaPartText(
+				err.parentSchema
+			)}`;
+		} else if (err.keyword === "enum") {
+			if (
+				err.parentSchema &&
+				err.parentSchema.enum &&
+				err.parentSchema.enum.length === 1
+			) {
+				return `${dataPath} should be ${getSchemaPartText(err.parentSchema)}`;
+			}
+			return `${dataPath} should be one of these:\n${getSchemaPartText(
+				err.parentSchema
+			)}`;
+		} else if (err.keyword === "allOf") {
+			return `${dataPath} should be:\n${getSchemaPartText(err.parentSchema)}`;
+		} else if (err.keyword === "type") {
+			switch (err.params.type) {
+				case "object":
+					return `${dataPath} should be an object.${getSchemaPartDescription(
+						err.parentSchema
+					)}`;
+				case "string":
+					return `${dataPath} should be a string.${getSchemaPartDescription(
+						err.parentSchema
+					)}`;
+				case "boolean":
+					return `${dataPath} should be a boolean.${getSchemaPartDescription(
+						err.parentSchema
+					)}`;
+				case "number":
+					return `${dataPath} should be a number.${getSchemaPartDescription(
+						err.parentSchema
+					)}`;
+				case "array":
+					return `${dataPath} should be an array:\n${getSchemaPartText(
+						err.parentSchema
+					)}`;
+			}
+			return `${dataPath} should be ${err.params.type}:\n${getSchemaPartText(
+				err.parentSchema
+			)}`;
+		} else if (err.keyword === "instanceof") {
+			return `${dataPath} should be an instance of ${getSchemaPartText(
+				err.parentSchema
+			)}`;
+		} else if (err.keyword === "required") {
+			const missingProperty = err.params.missingProperty.replace(/^\./, "");
+			return `${dataPath} misses the property '${missingProperty}'.\n${getSchemaPartText(
+				err.parentSchema,
+				["properties", missingProperty]
+			)}`;
+		} else if (err.keyword === "minimum") {
+			return `${dataPath} ${err.message}.${getSchemaPartDescription(
+				err.parentSchema
+			)}`;
+		} else if (err.keyword === "uniqueItems") {
+			return `${dataPath} should not contain the item '${
+				err.data[err.params.i]
+			}' twice.${getSchemaPartDescription(err.parentSchema)}`;
+		} else if (
+			err.keyword === "minLength" ||
+			err.keyword === "minItems" ||
+			err.keyword === "minProperties"
+		) {
+			if (err.params.limit === 1) {
+				switch (err.keyword) {
+					case "minLength":
+						return `${dataPath} should be an non-empty string.${getSchemaPartDescription(
+							err.parentSchema
+						)}`;
+					case "minItems":
+						return `${dataPath} should be an non-empty array.${getSchemaPartDescription(
+							err.parentSchema
+						)}`;
+					case "minProperties":
+						return `${dataPath} should be an non-empty object.${getSchemaPartDescription(
+							err.parentSchema
+						)}`;
+				}
+				return `${dataPath} should be not empty.${getSchemaPartDescription(
+					err.parentSchema
+				)}`;
+			} else {
+				return `${dataPath} ${err.message}${getSchemaPartDescription(
+					err.parentSchema
+				)}`;
+			}
+		} else if (err.keyword === "not") {
+			return `${dataPath} should not be ${getSchemaPartText(
+				err.schema
+			)}\n${getSchemaPartText(err.parentSchema)}`;
+		} else if (err.keyword === "absolutePath") {
+			const baseMessage = `${dataPath}: ${
+				err.message
+			}${getSchemaPartDescription(err.parentSchema)}`;
+			if (dataPath === "configuration.output.filename") {
+				return (
+					`${baseMessage}\n` +
+					"Please use output.path to specify absolute path and output.filename for the file name."
+				);
+			}
+			return baseMessage;
+		} else {
+			return `${dataPath} ${err.message} (${JSON.stringify(
+				err,
+				null,
+				2
+			)}).\n${getSchemaPartText(err.parentSchema)}`;
+		}
+	}
+}
+
+module.exports = WebpackOptionsValidationError;
diff --git a/node_modules/webpack/lib/buildChunkGraph.js b/node_modules/webpack/lib/buildChunkGraph.js
new file mode 100644
index 00000000..4198441e
--- /dev/null
+++ b/node_modules/webpack/lib/buildChunkGraph.js
@@ -0,0 +1,712 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const AsyncDependencyToInitialChunkError = require("./AsyncDependencyToInitialChunkError");
+const GraphHelpers = require("./GraphHelpers");
+
+/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./Compilation")} Compilation */
+/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./Entrypoint")} Entrypoint */
+/** @typedef {import("./Module")} Module */
+
+/**
+ * @typedef {Object} QueueItem
+ * @property {number} action
+ * @property {DependenciesBlock} block
+ * @property {Module} module
+ * @property {Chunk} chunk
+ * @property {ChunkGroup} chunkGroup
+ */
+
+/**
+ * @typedef {Object} ChunkGroupInfo
+ * @property {ChunkGroup} chunkGroup the chunk group
+ * @property {Set<Module>} minAvailableModules current minimal set of modules available at this point
+ * @property {boolean} minAvailableModulesOwned true, if minAvailableModules is owned and can be modified
+ * @property {Set<Module>[]} availableModulesToBeMerged enqueued updates to the minimal set of available modules
+ * @property {QueueItem[]} skippedItems queue items that were skipped because module is already available in parent chunks (need to reconsider when minAvailableModules is shrinking)
+ * @property {Set<Module>} resultingAvailableModules set of modules available including modules from this chunk group
+ * @property {Set<ChunkGroup>} children set of children chunk groups, that will be revisited when availableModules shrink
+ */
+
+/**
+ * @typedef {Object} BlockChunkGroupConnection
+ * @property {ChunkGroupInfo} originChunkGroupInfo origin chunk group
+ * @property {ChunkGroup} chunkGroup referenced chunk group
+ */
+
+/**
+ * @template T
+ * @param {Set<T>} a first set
+ * @param {Set<T>} b second set
+ * @returns {number} cmp
+ */
+const bySetSize = (a, b) => {
+	return b.size - a.size;
+};
+
+/**
+ * Extracts simplified info from the modules and their dependencies
+ * @param {Compilation} compilation the compilation
+ * @returns {Map<DependenciesBlock, { modules: Iterable<Module>, blocks: AsyncDependenciesBlock[]}>} the mapping block to modules and inner blocks
+ */
+const extraceBlockInfoMap = compilation => {
+	/** @type {Map<DependenciesBlock, { modules: Iterable<Module>, blocks: AsyncDependenciesBlock[]}>} */
+	const blockInfoMap = new Map();
+
+	/**
+	 * @param {Dependency} d dependency to iterate over
+	 * @returns {void}
+	 */
+	const iteratorDependency = d => {
+		// We skip Dependencies without Reference
+		const ref = compilation.getDependencyReference(currentModule, d);
+		if (!ref) {
+			return;
+		}
+		// We skip Dependencies without Module pointer
+		const refModule = ref.module;
+		if (!refModule) {
+			return;
+		}
+		// We skip weak Dependencies
+		if (ref.weak) {
+			return;
+		}
+
+		blockInfoModules.add(refModule);
+	};
+
+	/**
+	 * @param {AsyncDependenciesBlock} b blocks to prepare
+	 * @returns {void}
+	 */
+	const iteratorBlockPrepare = b => {
+		blockInfoBlocks.push(b);
+		blockQueue.push(b);
+	};
+
+	/** @type {Module} */
+	let currentModule;
+	/** @type {DependenciesBlock} */
+	let block;
+	/** @type {DependenciesBlock[]} */
+	let blockQueue;
+	/** @type {Set<Module>} */
+	let blockInfoModules;
+	/** @type {AsyncDependenciesBlock[]} */
+	let blockInfoBlocks;
+
+	for (const module of compilation.modules) {
+		blockQueue = [module];
+		currentModule = module;
+		while (blockQueue.length > 0) {
+			block = blockQueue.pop();
+			blockInfoModules = new Set();
+			blockInfoBlocks = [];
+
+			if (block.variables) {
+				for (const variable of block.variables) {
+					for (const dep of variable.dependencies) iteratorDependency(dep);
+				}
+			}
+
+			if (block.dependencies) {
+				for (const dep of block.dependencies) iteratorDependency(dep);
+			}
+
+			if (block.blocks) {
+				for (const b of block.blocks) iteratorBlockPrepare(b);
+			}
+
+			const blockInfo = {
+				modules: blockInfoModules,
+				blocks: blockInfoBlocks
+			};
+			blockInfoMap.set(block, blockInfo);
+		}
+	}
+
+	return blockInfoMap;
+};
+
+/**
+ *
+ * @param {Compilation} compilation the compilation
+ * @param {Entrypoint[]} inputChunkGroups input groups
+ * @param {Map<ChunkGroup, ChunkGroupInfo>} chunkGroupInfoMap mapping from chunk group to available modules
+ * @param {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} blockConnections connection for blocks
+ * @param {Set<DependenciesBlock>} blocksWithNestedBlocks flag for blocks that have nested blocks
+ * @param {Set<ChunkGroup>} allCreatedChunkGroups filled with all chunk groups that are created here
+ */
+const visitModules = (
+	compilation,
+	inputChunkGroups,
+	chunkGroupInfoMap,
+	blockConnections,
+	blocksWithNestedBlocks,
+	allCreatedChunkGroups
+) => {
+	const logger = compilation.getLogger("webpack.buildChunkGraph.visitModules");
+	const { namedChunkGroups } = compilation;
+
+	logger.time("prepare");
+	const blockInfoMap = extraceBlockInfoMap(compilation);
+
+	/** @type {Map<ChunkGroup, { index: number, index2: number }>} */
+	const chunkGroupCounters = new Map();
+	for (const chunkGroup of inputChunkGroups) {
+		chunkGroupCounters.set(chunkGroup, {
+			index: 0,
+			index2: 0
+		});
+	}
+
+	let nextFreeModuleIndex = 0;
+	let nextFreeModuleIndex2 = 0;
+
+	/** @type {Map<DependenciesBlock, ChunkGroup>} */
+	const blockChunkGroups = new Map();
+
+	const ADD_AND_ENTER_MODULE = 0;
+	const ENTER_MODULE = 1;
+	const PROCESS_BLOCK = 2;
+	const LEAVE_MODULE = 3;
+
+	/**
+	 * @param {QueueItem[]} queue the queue array (will be mutated)
+	 * @param {ChunkGroup} chunkGroup chunk group
+	 * @returns {QueueItem[]} the queue array again
+	 */
+	const reduceChunkGroupToQueueItem = (queue, chunkGroup) => {
+		for (const chunk of chunkGroup.chunks) {
+			const module = chunk.entryModule;
+			queue.push({
+				action: ENTER_MODULE,
+				block: module,
+				module,
+				chunk,
+				chunkGroup
+			});
+		}
+		chunkGroupInfoMap.set(chunkGroup, {
+			chunkGroup,
+			minAvailableModules: new Set(),
+			minAvailableModulesOwned: true,
+			availableModulesToBeMerged: [],
+			skippedItems: [],
+			resultingAvailableModules: undefined,
+			children: undefined
+		});
+		return queue;
+	};
+
+	// Start with the provided modules/chunks
+	/** @type {QueueItem[]} */
+	let queue = inputChunkGroups
+		.reduce(reduceChunkGroupToQueueItem, [])
+		.reverse();
+	/** @type {Map<ChunkGroup, Set<ChunkGroup>>} */
+	const queueConnect = new Map();
+	/** @type {Set<ChunkGroupInfo>} */
+	const outdatedChunkGroupInfo = new Set();
+	/** @type {QueueItem[]} */
+	let queueDelayed = [];
+
+	logger.timeEnd("prepare");
+
+	/** @type {Module} */
+	let module;
+	/** @type {Chunk} */
+	let chunk;
+	/** @type {ChunkGroup} */
+	let chunkGroup;
+	/** @type {ChunkGroupInfo} */
+	let chunkGroupInfo;
+	/** @type {DependenciesBlock} */
+	let block;
+	/** @type {Set<Module>} */
+	let minAvailableModules;
+	/** @type {QueueItem[]} */
+	let skippedItems;
+
+	// For each async Block in graph
+	/**
+	 * @param {AsyncDependenciesBlock} b iterating over each Async DepBlock
+	 * @returns {void}
+	 */
+	const iteratorBlock = b => {
+		// 1. We create a chunk for this Block
+		// but only once (blockChunkGroups map)
+		let c = blockChunkGroups.get(b);
+		if (c === undefined) {
+			c = namedChunkGroups.get(b.chunkName);
+			if (c && c.isInitial()) {
+				compilation.errors.push(
+					new AsyncDependencyToInitialChunkError(b.chunkName, module, b.loc)
+				);
+				c = chunkGroup;
+			} else {
+				c = compilation.addChunkInGroup(
+					b.groupOptions || b.chunkName,
+					module,
+					b.loc,
+					b.request
+				);
+				chunkGroupCounters.set(c, { index: 0, index2: 0 });
+				blockChunkGroups.set(b, c);
+				allCreatedChunkGroups.add(c);
+			}
+			blockConnections.set(b, []);
+		} else {
+			// TODO webpack 5 remove addOptions check
+			if (c.addOptions) c.addOptions(b.groupOptions);
+			c.addOrigin(module, b.loc, b.request);
+		}
+
+		// 2. We store the connection for the block
+		// to connect it later if needed
+		blockConnections.get(b).push({
+			originChunkGroupInfo: chunkGroupInfo,
+			chunkGroup: c
+		});
+
+		// 3. We create/update the chunk group info
+		let connectList = queueConnect.get(chunkGroup);
+		if (connectList === undefined) {
+			connectList = new Set();
+			queueConnect.set(chunkGroup, connectList);
+		}
+		connectList.add(c);
+
+		// 4. We enqueue the DependenciesBlock for traversal
+		queueDelayed.push({
+			action: PROCESS_BLOCK,
+			block: b,
+			module: module,
+			chunk: c.chunks[0],
+			chunkGroup: c
+		});
+	};
+
+	// Iterative traversal of the Module graph
+	// Recursive would be simpler to write but could result in Stack Overflows
+	while (queue.length) {
+		logger.time("visiting");
+		while (queue.length) {
+			const queueItem = queue.pop();
+			module = queueItem.module;
+			block = queueItem.block;
+			chunk = queueItem.chunk;
+			if (chunkGroup !== queueItem.chunkGroup) {
+				chunkGroup = queueItem.chunkGroup;
+				chunkGroupInfo = chunkGroupInfoMap.get(chunkGroup);
+				minAvailableModules = chunkGroupInfo.minAvailableModules;
+				skippedItems = chunkGroupInfo.skippedItems;
+			}
+
+			switch (queueItem.action) {
+				case ADD_AND_ENTER_MODULE: {
+					if (minAvailableModules.has(module)) {
+						// already in parent chunks
+						// skip it for now, but enqueue for rechecking when minAvailableModules shrinks
+						skippedItems.push(queueItem);
+						break;
+					}
+					// We connect Module and Chunk when not already done
+					if (chunk.addModule(module)) {
+						module.addChunk(chunk);
+					} else {
+						// already connected, skip it
+						break;
+					}
+				}
+				// fallthrough
+				case ENTER_MODULE: {
+					if (chunkGroup !== undefined) {
+						const index = chunkGroup.getModuleIndex(module);
+						if (index === undefined) {
+							chunkGroup.setModuleIndex(
+								module,
+								chunkGroupCounters.get(chunkGroup).index++
+							);
+						}
+					}
+
+					if (module.index === null) {
+						module.index = nextFreeModuleIndex++;
+					}
+
+					queue.push({
+						action: LEAVE_MODULE,
+						block,
+						module,
+						chunk,
+						chunkGroup
+					});
+				}
+				// fallthrough
+				case PROCESS_BLOCK: {
+					// get prepared block info
+					const blockInfo = blockInfoMap.get(block);
+
+					// Buffer items because order need to be reverse to get indicies correct
+					const skipBuffer = [];
+					const queueBuffer = [];
+					// Traverse all referenced modules
+					for (const refModule of blockInfo.modules) {
+						if (chunk.containsModule(refModule)) {
+							// skip early if already connected
+							continue;
+						}
+						if (minAvailableModules.has(refModule)) {
+							// already in parent chunks, skip it for now
+							skipBuffer.push({
+								action: ADD_AND_ENTER_MODULE,
+								block: refModule,
+								module: refModule,
+								chunk,
+								chunkGroup
+							});
+							continue;
+						}
+						// enqueue the add and enter to enter in the correct order
+						// this is relevant with circular dependencies
+						queueBuffer.push({
+							action: ADD_AND_ENTER_MODULE,
+							block: refModule,
+							module: refModule,
+							chunk,
+							chunkGroup
+						});
+					}
+					// Add buffered items in reversed order
+					for (let i = skipBuffer.length - 1; i >= 0; i--) {
+						skippedItems.push(skipBuffer[i]);
+					}
+					for (let i = queueBuffer.length - 1; i >= 0; i--) {
+						queue.push(queueBuffer[i]);
+					}
+
+					// Traverse all Blocks
+					for (const block of blockInfo.blocks) iteratorBlock(block);
+
+					if (blockInfo.blocks.length > 0 && module !== block) {
+						blocksWithNestedBlocks.add(block);
+					}
+					break;
+				}
+				case LEAVE_MODULE: {
+					if (chunkGroup !== undefined) {
+						const index = chunkGroup.getModuleIndex2(module);
+						if (index === undefined) {
+							chunkGroup.setModuleIndex2(
+								module,
+								chunkGroupCounters.get(chunkGroup).index2++
+							);
+						}
+					}
+
+					if (module.index2 === null) {
+						module.index2 = nextFreeModuleIndex2++;
+					}
+					break;
+				}
+			}
+		}
+		logger.timeEnd("visiting");
+
+		while (queueConnect.size > 0) {
+			logger.time("calculating available modules");
+
+			// Figure out new parents for chunk groups
+			// to get new available modules for these children
+			for (const [chunkGroup, targets] of queueConnect) {
+				const info = chunkGroupInfoMap.get(chunkGroup);
+				let minAvailableModules = info.minAvailableModules;
+
+				// 1. Create a new Set of available modules at this points
+				const resultingAvailableModules = new Set(minAvailableModules);
+				for (const chunk of chunkGroup.chunks) {
+					for (const m of chunk.modulesIterable) {
+						resultingAvailableModules.add(m);
+					}
+				}
+				info.resultingAvailableModules = resultingAvailableModules;
+				if (info.children === undefined) {
+					info.children = targets;
+				} else {
+					for (const target of targets) {
+						info.children.add(target);
+					}
+				}
+
+				// 2. Update chunk group info
+				for (const target of targets) {
+					let chunkGroupInfo = chunkGroupInfoMap.get(target);
+					if (chunkGroupInfo === undefined) {
+						chunkGroupInfo = {
+							chunkGroup: target,
+							minAvailableModules: undefined,
+							minAvailableModulesOwned: undefined,
+							availableModulesToBeMerged: [],
+							skippedItems: [],
+							resultingAvailableModules: undefined,
+							children: undefined
+						};
+						chunkGroupInfoMap.set(target, chunkGroupInfo);
+					}
+					chunkGroupInfo.availableModulesToBeMerged.push(
+						resultingAvailableModules
+					);
+					outdatedChunkGroupInfo.add(chunkGroupInfo);
+				}
+			}
+			queueConnect.clear();
+			logger.timeEnd("calculating available modules");
+
+			if (outdatedChunkGroupInfo.size > 0) {
+				logger.time("merging available modules");
+				// Execute the merge
+				for (const info of outdatedChunkGroupInfo) {
+					const availableModulesToBeMerged = info.availableModulesToBeMerged;
+					let cachedMinAvailableModules = info.minAvailableModules;
+
+					// 1. Get minimal available modules
+					// It doesn't make sense to traverse a chunk again with more available modules.
+					// This step calculates the minimal available modules and skips traversal when
+					// the list didn't shrink.
+					if (availableModulesToBeMerged.length > 1) {
+						availableModulesToBeMerged.sort(bySetSize);
+					}
+					let changed = false;
+					for (const availableModules of availableModulesToBeMerged) {
+						if (cachedMinAvailableModules === undefined) {
+							cachedMinAvailableModules = availableModules;
+							info.minAvailableModules = cachedMinAvailableModules;
+							info.minAvailableModulesOwned = false;
+							changed = true;
+						} else {
+							if (info.minAvailableModulesOwned) {
+								// We own it and can modify it
+								for (const m of cachedMinAvailableModules) {
+									if (!availableModules.has(m)) {
+										cachedMinAvailableModules.delete(m);
+										changed = true;
+									}
+								}
+							} else {
+								for (const m of cachedMinAvailableModules) {
+									if (!availableModules.has(m)) {
+										// cachedMinAvailableModules need to be modified
+										// but we don't own it
+										// construct a new Set as intersection of cachedMinAvailableModules and availableModules
+										/** @type {Set<Module>} */
+										const newSet = new Set();
+										const iterator = cachedMinAvailableModules[
+											Symbol.iterator
+										]();
+										/** @type {IteratorResult<Module>} */
+										let it;
+										while (!(it = iterator.next()).done) {
+											const module = it.value;
+											if (module === m) break;
+											newSet.add(module);
+										}
+										while (!(it = iterator.next()).done) {
+											const module = it.value;
+											if (availableModules.has(module)) {
+												newSet.add(module);
+											}
+										}
+										cachedMinAvailableModules = newSet;
+										info.minAvailableModulesOwned = true;
+										info.minAvailableModules = newSet;
+
+										// Update the cache from the first queue
+										// if the chunkGroup is currently cached
+										if (chunkGroup === info.chunkGroup) {
+											minAvailableModules = cachedMinAvailableModules;
+										}
+
+										changed = true;
+										break;
+									}
+								}
+							}
+						}
+					}
+					availableModulesToBeMerged.length = 0;
+					if (!changed) continue;
+
+					// 2. Reconsider skipped items
+					for (const queueItem of info.skippedItems) {
+						queue.push(queueItem);
+					}
+					info.skippedItems.length = 0;
+
+					// 3. Reconsider children chunk groups
+					if (info.children !== undefined) {
+						const chunkGroup = info.chunkGroup;
+						for (const c of info.children) {
+							let connectList = queueConnect.get(chunkGroup);
+							if (connectList === undefined) {
+								connectList = new Set();
+								queueConnect.set(chunkGroup, connectList);
+							}
+							connectList.add(c);
+						}
+					}
+				}
+				outdatedChunkGroupInfo.clear();
+				logger.timeEnd("merging available modules");
+			}
+		}
+
+		// Run queueDelayed when all items of the queue are processed
+		// This is important to get the global indicing correct
+		// Async blocks should be processed after all sync blocks are processed
+		if (queue.length === 0) {
+			const tempQueue = queue;
+			queue = queueDelayed.reverse();
+			queueDelayed = tempQueue;
+		}
+	}
+};
+
+/**
+ *
+ * @param {Set<DependenciesBlock>} blocksWithNestedBlocks flag for blocks that have nested blocks
+ * @param {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} blockConnections connection for blocks
+ * @param {Map<ChunkGroup, ChunkGroupInfo>} chunkGroupInfoMap mapping from chunk group to available modules
+ */
+const connectChunkGroups = (
+	blocksWithNestedBlocks,
+	blockConnections,
+	chunkGroupInfoMap
+) => {
+	/**
+	 * Helper function to check if all modules of a chunk are available
+	 *
+	 * @param {ChunkGroup} chunkGroup the chunkGroup to scan
+	 * @param {Set<Module>} availableModules the comparitor set
+	 * @returns {boolean} return true if all modules of a chunk are available
+	 */
+	const areModulesAvailable = (chunkGroup, availableModules) => {
+		for (const chunk of chunkGroup.chunks) {
+			for (const module of chunk.modulesIterable) {
+				if (!availableModules.has(module)) return false;
+			}
+		}
+		return true;
+	};
+
+	// For each edge in the basic chunk graph
+	for (const [block, connections] of blockConnections) {
+		// 1. Check if connection is needed
+		// When none of the dependencies need to be connected
+		// we can skip all of them
+		// It's not possible to filter each item so it doesn't create inconsistent
+		// connections and modules can only create one version
+		// TODO maybe decide this per runtime
+		if (
+			// TODO is this needed?
+			!blocksWithNestedBlocks.has(block) &&
+			connections.every(({ chunkGroup, originChunkGroupInfo }) =>
+				areModulesAvailable(
+					chunkGroup,
+					originChunkGroupInfo.resultingAvailableModules
+				)
+			)
+		) {
+			continue;
+		}
+
+		// 2. Foreach edge
+		for (let i = 0; i < connections.length; i++) {
+			const { chunkGroup, originChunkGroupInfo } = connections[i];
+
+			// 3. Connect block with chunk
+			GraphHelpers.connectDependenciesBlockAndChunkGroup(block, chunkGroup);
+
+			// 4. Connect chunk with parent
+			GraphHelpers.connectChunkGroupParentAndChild(
+				originChunkGroupInfo.chunkGroup,
+				chunkGroup
+			);
+		}
+	}
+};
+
+/**
+ * Remove all unconnected chunk groups
+ * @param {Compilation} compilation the compilation
+ * @param {Iterable<ChunkGroup>} allCreatedChunkGroups all chunk groups that where created before
+ */
+const cleanupUnconnectedGroups = (compilation, allCreatedChunkGroups) => {
+	for (const chunkGroup of allCreatedChunkGroups) {
+		if (chunkGroup.getNumberOfParents() === 0) {
+			for (const chunk of chunkGroup.chunks) {
+				const idx = compilation.chunks.indexOf(chunk);
+				if (idx >= 0) compilation.chunks.splice(idx, 1);
+				chunk.remove("unconnected");
+			}
+			chunkGroup.remove("unconnected");
+		}
+	}
+};
+
+/**
+ * This method creates the Chunk graph from the Module graph
+ * @param {Compilation} compilation the compilation
+ * @param {Entrypoint[]} inputChunkGroups chunk groups which are processed
+ * @returns {void}
+ */
+const buildChunkGraph = (compilation, inputChunkGroups) => {
+	// SHARED STATE
+
+	/** @type {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} */
+	const blockConnections = new Map();
+
+	/** @type {Set<ChunkGroup>} */
+	const allCreatedChunkGroups = new Set();
+
+	/** @type {Map<ChunkGroup, ChunkGroupInfo>} */
+	const chunkGroupInfoMap = new Map();
+
+	/** @type {Set<DependenciesBlock>} */
+	const blocksWithNestedBlocks = new Set();
+
+	// PART ONE
+
+	visitModules(
+		compilation,
+		inputChunkGroups,
+		chunkGroupInfoMap,
+		blockConnections,
+		blocksWithNestedBlocks,
+		allCreatedChunkGroups
+	);
+
+	// PART TWO
+
+	connectChunkGroups(
+		blocksWithNestedBlocks,
+		blockConnections,
+		chunkGroupInfoMap
+	);
+
+	// Cleaup work
+
+	cleanupUnconnectedGroups(compilation, allCreatedChunkGroups);
+};
+
+module.exports = buildChunkGraph;
diff --git a/node_modules/webpack/lib/compareLocations.js b/node_modules/webpack/lib/compareLocations.js
new file mode 100644
index 00000000..3840eb89
--- /dev/null
+++ b/node_modules/webpack/lib/compareLocations.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+
+// TODO webpack 5 remove string type from a and b
+/**
+ * Compare two locations
+ * @param {string|DependencyLocation} a A location node
+ * @param {string|DependencyLocation} b A location node
+ * @returns {-1|0|1} sorting comparator value
+ */
+module.exports = (a, b) => {
+	if (typeof a === "string") {
+		if (typeof b === "string") {
+			if (a < b) return -1;
+			if (a > b) return 1;
+			return 0;
+		} else if (typeof b === "object") {
+			return 1;
+		} else {
+			return 0;
+		}
+	} else if (typeof a === "object") {
+		if (typeof b === "string") {
+			return -1;
+		} else if (typeof b === "object") {
+			if ("start" in a && "start" in b) {
+				const ap = a.start;
+				const bp = b.start;
+				if (ap.line < bp.line) return -1;
+				if (ap.line > bp.line) return 1;
+				if (ap.column < bp.column) return -1;
+				if (ap.column > bp.column) return 1;
+			}
+			if ("name" in a && "name" in b) {
+				if (a.name < b.name) return -1;
+				if (a.name > b.name) return 1;
+			}
+			if ("index" in a && "index" in b) {
+				if (a.index < b.index) return -1;
+				if (a.index > b.index) return 1;
+			}
+			return 0;
+		} else {
+			return 0;
+		}
+	}
+};
diff --git a/node_modules/webpack/lib/debug/ProfilingPlugin.js b/node_modules/webpack/lib/debug/ProfilingPlugin.js
new file mode 100644
index 00000000..0ba10aea
--- /dev/null
+++ b/node_modules/webpack/lib/debug/ProfilingPlugin.js
@@ -0,0 +1,442 @@
+const fs = require("fs");
+const path = require("path");
+const mkdirp = require("mkdirp");
+const { Tracer } = require("chrome-trace-event");
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/debug/ProfilingPlugin.json");
+
+/** @typedef {import("../../declarations/plugins/debug/ProfilingPlugin").ProfilingPluginOptions} ProfilingPluginOptions */
+
+let inspector = undefined;
+
+try {
+	// eslint-disable-next-line node/no-unsupported-features/node-builtins
+	inspector = require("inspector");
+} catch (e) {
+	console.log("Unable to CPU profile in < node 8.0");
+}
+
+class Profiler {
+	constructor(inspector) {
+		this.session = undefined;
+		this.inspector = inspector;
+	}
+
+	hasSession() {
+		return this.session !== undefined;
+	}
+
+	startProfiling() {
+		if (this.inspector === undefined) {
+			return Promise.resolve();
+		}
+
+		try {
+			this.session = new inspector.Session();
+			this.session.connect();
+		} catch (_) {
+			this.session = undefined;
+			return Promise.resolve();
+		}
+
+		return Promise.all([
+			this.sendCommand("Profiler.setSamplingInterval", {
+				interval: 100
+			}),
+			this.sendCommand("Profiler.enable"),
+			this.sendCommand("Profiler.start")
+		]);
+	}
+
+	sendCommand(method, params) {
+		if (this.hasSession()) {
+			return new Promise((res, rej) => {
+				return this.session.post(method, params, (err, params) => {
+					if (err !== null) {
+						rej(err);
+					} else {
+						res(params);
+					}
+				});
+			});
+		} else {
+			return Promise.resolve();
+		}
+	}
+
+	destroy() {
+		if (this.hasSession()) {
+			this.session.disconnect();
+		}
+
+		return Promise.resolve();
+	}
+
+	stopProfiling() {
+		return this.sendCommand("Profiler.stop");
+	}
+}
+
+/**
+ * an object that wraps Tracer and Profiler with a counter
+ * @typedef {Object} Trace
+ * @property {Tracer} trace instance of Tracer
+ * @property {number} counter Counter
+ * @property {Profiler} profiler instance of Profiler
+ * @property {Function} end the end function
+ */
+
+/**
+ * @param {string} outputPath The location where to write the log.
+ * @returns {Trace} The trace object
+ */
+const createTrace = outputPath => {
+	const trace = new Tracer({
+		noStream: true
+	});
+	const profiler = new Profiler(inspector);
+	if (/\/|\\/.test(outputPath)) {
+		const dirPath = path.dirname(outputPath);
+		mkdirp.sync(dirPath);
+	}
+	const fsStream = fs.createWriteStream(outputPath);
+
+	let counter = 0;
+
+	trace.pipe(fsStream);
+	// These are critical events that need to be inserted so that tools like
+	// chrome dev tools can load the profile.
+	trace.instantEvent({
+		name: "TracingStartedInPage",
+		id: ++counter,
+		cat: ["disabled-by-default-devtools.timeline"],
+		args: {
+			data: {
+				sessionId: "-1",
+				page: "0xfff",
+				frames: [
+					{
+						frame: "0xfff",
+						url: "webpack",
+						name: ""
+					}
+				]
+			}
+		}
+	});
+
+	trace.instantEvent({
+		name: "TracingStartedInBrowser",
+		id: ++counter,
+		cat: ["disabled-by-default-devtools.timeline"],
+		args: {
+			data: {
+				sessionId: "-1"
+			}
+		}
+	});
+
+	return {
+		trace,
+		counter,
+		profiler,
+		end: callback => {
+			// Wait until the write stream finishes.
+			fsStream.on("finish", () => {
+				callback();
+			});
+			// Tear down the readable trace stream.
+			trace.push(null);
+		}
+	};
+};
+
+const pluginName = "ProfilingPlugin";
+
+class ProfilingPlugin {
+	/**
+	 * @param {ProfilingPluginOptions=} opts options object
+	 */
+	constructor(opts) {
+		validateOptions(schema, opts || {}, "Profiling plugin");
+		opts = opts || {};
+		this.outputPath = opts.outputPath || "events.json";
+	}
+
+	apply(compiler) {
+		const tracer = createTrace(this.outputPath);
+		tracer.profiler.startProfiling();
+
+		// Compiler Hooks
+		Object.keys(compiler.hooks).forEach(hookName => {
+			compiler.hooks[hookName].intercept(
+				makeInterceptorFor("Compiler", tracer)(hookName)
+			);
+		});
+
+		Object.keys(compiler.resolverFactory.hooks).forEach(hookName => {
+			compiler.resolverFactory.hooks[hookName].intercept(
+				makeInterceptorFor("Resolver", tracer)(hookName)
+			);
+		});
+
+		compiler.hooks.compilation.tap(
+			pluginName,
+			(compilation, { normalModuleFactory, contextModuleFactory }) => {
+				interceptAllHooksFor(compilation, tracer, "Compilation");
+				interceptAllHooksFor(
+					normalModuleFactory,
+					tracer,
+					"Normal Module Factory"
+				);
+				interceptAllHooksFor(
+					contextModuleFactory,
+					tracer,
+					"Context Module Factory"
+				);
+				interceptAllParserHooks(normalModuleFactory, tracer);
+				interceptTemplateInstancesFrom(compilation, tracer);
+			}
+		);
+
+		// We need to write out the CPU profile when we are all done.
+		compiler.hooks.done.tapAsync(
+			{
+				name: pluginName,
+				stage: Infinity
+			},
+			(stats, callback) => {
+				tracer.profiler.stopProfiling().then(parsedResults => {
+					if (parsedResults === undefined) {
+						tracer.profiler.destroy();
+						tracer.trace.flush();
+						tracer.end(callback);
+						return;
+					}
+
+					const cpuStartTime = parsedResults.profile.startTime;
+					const cpuEndTime = parsedResults.profile.endTime;
+
+					tracer.trace.completeEvent({
+						name: "TaskQueueManager::ProcessTaskFromWorkQueue",
+						id: ++tracer.counter,
+						cat: ["toplevel"],
+						ts: cpuStartTime,
+						args: {
+							src_file: "../../ipc/ipc_moji_bootstrap.cc",
+							src_func: "Accept"
+						}
+					});
+
+					tracer.trace.completeEvent({
+						name: "EvaluateScript",
+						id: ++tracer.counter,
+						cat: ["devtools.timeline"],
+						ts: cpuStartTime,
+						dur: cpuEndTime - cpuStartTime,
+						args: {
+							data: {
+								url: "webpack",
+								lineNumber: 1,
+								columnNumber: 1,
+								frame: "0xFFF"
+							}
+						}
+					});
+
+					tracer.trace.instantEvent({
+						name: "CpuProfile",
+						id: ++tracer.counter,
+						cat: ["disabled-by-default-devtools.timeline"],
+						ts: cpuEndTime,
+						args: {
+							data: {
+								cpuProfile: parsedResults.profile
+							}
+						}
+					});
+
+					tracer.profiler.destroy();
+					tracer.trace.flush();
+					tracer.end(callback);
+				});
+			}
+		);
+	}
+}
+
+const interceptTemplateInstancesFrom = (compilation, tracer) => {
+	const {
+		mainTemplate,
+		chunkTemplate,
+		hotUpdateChunkTemplate,
+		moduleTemplates
+	} = compilation;
+
+	const { javascript, webassembly } = moduleTemplates;
+
+	[
+		{
+			instance: mainTemplate,
+			name: "MainTemplate"
+		},
+		{
+			instance: chunkTemplate,
+			name: "ChunkTemplate"
+		},
+		{
+			instance: hotUpdateChunkTemplate,
+			name: "HotUpdateChunkTemplate"
+		},
+		{
+			instance: javascript,
+			name: "JavaScriptModuleTemplate"
+		},
+		{
+			instance: webassembly,
+			name: "WebAssemblyModuleTemplate"
+		}
+	].forEach(templateObject => {
+		Object.keys(templateObject.instance.hooks).forEach(hookName => {
+			templateObject.instance.hooks[hookName].intercept(
+				makeInterceptorFor(templateObject.name, tracer)(hookName)
+			);
+		});
+	});
+};
+
+const interceptAllHooksFor = (instance, tracer, logLabel) => {
+	if (Reflect.has(instance, "hooks")) {
+		Object.keys(instance.hooks).forEach(hookName => {
+			instance.hooks[hookName].intercept(
+				makeInterceptorFor(logLabel, tracer)(hookName)
+			);
+		});
+	}
+};
+
+const interceptAllParserHooks = (moduleFactory, tracer) => {
+	const moduleTypes = [
+		"javascript/auto",
+		"javascript/dynamic",
+		"javascript/esm",
+		"json",
+		"webassembly/experimental"
+	];
+
+	moduleTypes.forEach(moduleType => {
+		moduleFactory.hooks.parser
+			.for(moduleType)
+			.tap("ProfilingPlugin", (parser, parserOpts) => {
+				interceptAllHooksFor(parser, tracer, "Parser");
+			});
+	});
+};
+
+const makeInterceptorFor = (instance, tracer) => hookName => ({
+	register: ({ name, type, context, fn }) => {
+		const newFn = makeNewProfiledTapFn(hookName, tracer, {
+			name,
+			type,
+			fn
+		});
+		return {
+			name,
+			type,
+			context,
+			fn: newFn
+		};
+	}
+});
+
+// TODO improve typing
+/** @typedef {(...args: TODO[]) => void | Promise<TODO>} PluginFunction */
+
+/**
+ * @param {string} hookName Name of the hook to profile.
+ * @param {Trace} tracer The trace object.
+ * @param {object} options Options for the profiled fn.
+ * @param {string} options.name Plugin name
+ * @param {string} options.type Plugin type (sync | async | promise)
+ * @param {PluginFunction} options.fn Plugin function
+ * @returns {PluginFunction} Chainable hooked function.
+ */
+const makeNewProfiledTapFn = (hookName, tracer, { name, type, fn }) => {
+	const defaultCategory = ["blink.user_timing"];
+
+	switch (type) {
+		case "promise":
+			return (...args) => {
+				const id = ++tracer.counter;
+				tracer.trace.begin({
+					name,
+					id,
+					cat: defaultCategory
+				});
+				const promise = /** @type {Promise<*>} */ (fn(...args));
+				return promise.then(r => {
+					tracer.trace.end({
+						name,
+						id,
+						cat: defaultCategory
+					});
+					return r;
+				});
+			};
+		case "async":
+			return (...args) => {
+				const id = ++tracer.counter;
+				tracer.trace.begin({
+					name,
+					id,
+					cat: defaultCategory
+				});
+				const callback = args.pop();
+				fn(...args, (...r) => {
+					tracer.trace.end({
+						name,
+						id,
+						cat: defaultCategory
+					});
+					callback(...r);
+				});
+			};
+		case "sync":
+			return (...args) => {
+				const id = ++tracer.counter;
+				// Do not instrument ourself due to the CPU
+				// profile needing to be the last event in the trace.
+				if (name === pluginName) {
+					return fn(...args);
+				}
+
+				tracer.trace.begin({
+					name,
+					id,
+					cat: defaultCategory
+				});
+				let r;
+				try {
+					r = fn(...args);
+				} catch (error) {
+					tracer.trace.end({
+						name,
+						id,
+						cat: defaultCategory
+					});
+					throw error;
+				}
+				tracer.trace.end({
+					name,
+					id,
+					cat: defaultCategory
+				});
+				return r;
+			};
+		default:
+			break;
+	}
+};
+
+module.exports = ProfilingPlugin;
+module.exports.Profiler = Profiler;
diff --git a/node_modules/webpack/lib/dependencies/AMDDefineDependency.js b/node_modules/webpack/lib/dependencies/AMDDefineDependency.js
new file mode 100644
index 00000000..fcec365d
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDDefineDependency.js
@@ -0,0 +1,137 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class AMDDefineDependency extends NullDependency {
+	constructor(range, arrayRange, functionRange, objectRange, namedModule) {
+		super();
+		this.range = range;
+		this.arrayRange = arrayRange;
+		this.functionRange = functionRange;
+		this.objectRange = objectRange;
+		this.namedModule = namedModule;
+		this.localModule = null;
+	}
+
+	get type() {
+		return "amd define";
+	}
+}
+
+AMDDefineDependency.Template = class AMDDefineDependencyTemplate {
+	get definitions() {
+		return {
+			f: [
+				"var __WEBPACK_AMD_DEFINE_RESULT__;",
+				`!(__WEBPACK_AMD_DEFINE_RESULT__ = (#).call(exports, __webpack_require__, exports, module),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__))`
+			],
+			o: ["", "!(module.exports = #)"],
+			of: [
+				"var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;",
+				`!(__WEBPACK_AMD_DEFINE_FACTORY__ = (#),
+				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
+				__WEBPACK_AMD_DEFINE_FACTORY__),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__))`
+			],
+			af: [
+				"var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;",
+				`!(__WEBPACK_AMD_DEFINE_ARRAY__ = #, __WEBPACK_AMD_DEFINE_RESULT__ = (#).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__))`
+			],
+			ao: ["", "!(#, module.exports = #)"],
+			aof: [
+				"var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;",
+				`!(__WEBPACK_AMD_DEFINE_ARRAY__ = #, __WEBPACK_AMD_DEFINE_FACTORY__ = (#),
+				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__))`
+			],
+			lf: [
+				"var XXX, XXXmodule;",
+				"!(XXXmodule = { id: YYY, exports: {}, loaded: false }, XXX = #.call(XXXmodule.exports, __webpack_require__, XXXmodule.exports, XXXmodule), XXXmodule.loaded = true, XXX === undefined && (XXX = XXXmodule.exports))"
+			],
+			lo: ["var XXX;", "!(XXX = #)"],
+			lof: [
+				"var XXX, XXXfactory, XXXmodule;",
+				"!(XXXfactory = (#), (XXXmodule = { id: YYY, exports: {}, loaded: false }), XXX = (typeof XXXfactory === 'function' ? (XXXfactory.call(XXXmodule.exports, __webpack_require__, XXXmodule.exports, XXXmodule)) : XXXfactory), (XXXmodule.loaded = true), XXX === undefined && (XXX = XXXmodule.exports))"
+			],
+			laf: [
+				"var __WEBPACK_AMD_DEFINE_ARRAY__, XXX;",
+				"!(__WEBPACK_AMD_DEFINE_ARRAY__ = #, XXX = ((#).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)))"
+			],
+			lao: ["var XXX;", "!(#, XXX = #)"],
+			laof: [
+				"var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_FACTORY__, XXX;",
+				`!(__WEBPACK_AMD_DEFINE_ARRAY__ = #, __WEBPACK_AMD_DEFINE_FACTORY__ = (#),
+				XXX = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__))`
+			]
+		};
+	}
+
+	apply(dependency, source) {
+		const branch = this.branch(dependency);
+		const defAndText = this.definitions[branch];
+		const definitions = defAndText[0];
+		const text = defAndText[1];
+		this.replace(dependency, source, definitions, text);
+	}
+
+	localModuleVar(dependency) {
+		return (
+			dependency.localModule &&
+			dependency.localModule.used &&
+			dependency.localModule.variableName()
+		);
+	}
+
+	branch(dependency) {
+		const localModuleVar = this.localModuleVar(dependency) ? "l" : "";
+		const arrayRange = dependency.arrayRange ? "a" : "";
+		const objectRange = dependency.objectRange ? "o" : "";
+		const functionRange = dependency.functionRange ? "f" : "";
+		return localModuleVar + arrayRange + objectRange + functionRange;
+	}
+
+	replace(dependency, source, definition, text) {
+		const localModuleVar = this.localModuleVar(dependency);
+		if (localModuleVar) {
+			text = text.replace(/XXX/g, localModuleVar.replace(/\$/g, "$$$$"));
+			definition = definition.replace(
+				/XXX/g,
+				localModuleVar.replace(/\$/g, "$$$$")
+			);
+		}
+
+		if (dependency.namedModule) {
+			text = text.replace(/YYY/g, JSON.stringify(dependency.namedModule));
+		}
+
+		const texts = text.split("#");
+
+		if (definition) source.insert(0, definition);
+
+		let current = dependency.range[0];
+		if (dependency.arrayRange) {
+			source.replace(current, dependency.arrayRange[0] - 1, texts.shift());
+			current = dependency.arrayRange[1];
+		}
+
+		if (dependency.objectRange) {
+			source.replace(current, dependency.objectRange[0] - 1, texts.shift());
+			current = dependency.objectRange[1];
+		} else if (dependency.functionRange) {
+			source.replace(current, dependency.functionRange[0] - 1, texts.shift());
+			current = dependency.functionRange[1];
+		}
+		source.replace(current, dependency.range[1] - 1, texts.shift());
+		if (texts.length > 0) throw new Error("Implementation error");
+	}
+};
+
+module.exports = AMDDefineDependency;
diff --git a/node_modules/webpack/lib/dependencies/AMDDefineDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/AMDDefineDependencyParserPlugin.js
new file mode 100644
index 00000000..99a1528a
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDDefineDependencyParserPlugin.js
@@ -0,0 +1,336 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const AMDRequireItemDependency = require("./AMDRequireItemDependency");
+const AMDRequireContextDependency = require("./AMDRequireContextDependency");
+const ConstDependency = require("./ConstDependency");
+const AMDDefineDependency = require("./AMDDefineDependency");
+const AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const LocalModulesHelpers = require("./LocalModulesHelpers");
+
+const isBoundFunctionExpression = expr => {
+	if (expr.type !== "CallExpression") return false;
+	if (expr.callee.type !== "MemberExpression") return false;
+	if (expr.callee.computed) return false;
+	if (expr.callee.object.type !== "FunctionExpression") return false;
+	if (expr.callee.property.type !== "Identifier") return false;
+	if (expr.callee.property.name !== "bind") return false;
+	return true;
+};
+
+const isUnboundFunctionExpression = expr => {
+	if (expr.type === "FunctionExpression") return true;
+	if (expr.type === "ArrowFunctionExpression") return true;
+	return false;
+};
+
+const isCallable = expr => {
+	if (isUnboundFunctionExpression(expr)) return true;
+	if (isBoundFunctionExpression(expr)) return true;
+	return false;
+};
+
+class AMDDefineDependencyParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(parser) {
+		parser.hooks.call
+			.for("define")
+			.tap(
+				"AMDDefineDependencyParserPlugin",
+				this.processCallDefine.bind(this, parser)
+			);
+	}
+
+	processArray(parser, expr, param, identifiers, namedModule) {
+		if (param.isArray()) {
+			param.items.forEach((param, idx) => {
+				if (
+					param.isString() &&
+					["require", "module", "exports"].includes(param.string)
+				)
+					identifiers[idx] = param.string;
+				const result = this.processItem(parser, expr, param, namedModule);
+				if (result === undefined) {
+					this.processContext(parser, expr, param);
+				}
+			});
+			return true;
+		} else if (param.isConstArray()) {
+			const deps = [];
+			param.array.forEach((request, idx) => {
+				let dep;
+				let localModule;
+				if (request === "require") {
+					identifiers[idx] = request;
+					dep = "__webpack_require__";
+				} else if (["exports", "module"].includes(request)) {
+					identifiers[idx] = request;
+					dep = request;
+				} else if (
+					(localModule = LocalModulesHelpers.getLocalModule(
+						parser.state,
+						request
+					))
+				) {
+					dep = new LocalModuleDependency(localModule, undefined, false);
+					dep.loc = expr.loc;
+					parser.state.current.addDependency(dep);
+				} else {
+					dep = this.newRequireItemDependency(request);
+					dep.loc = expr.loc;
+					dep.optional = !!parser.scope.inTry;
+					parser.state.current.addDependency(dep);
+				}
+				deps.push(dep);
+			});
+			const dep = this.newRequireArrayDependency(deps, param.range);
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		}
+	}
+	processItem(parser, expr, param, namedModule) {
+		if (param.isConditional()) {
+			param.options.forEach(param => {
+				const result = this.processItem(parser, expr, param);
+				if (result === undefined) {
+					this.processContext(parser, expr, param);
+				}
+			});
+			return true;
+		} else if (param.isString()) {
+			let dep, localModule;
+			if (param.string === "require") {
+				dep = new ConstDependency("__webpack_require__", param.range);
+			} else if (["require", "exports", "module"].includes(param.string)) {
+				dep = new ConstDependency(param.string, param.range);
+			} else if (
+				(localModule = LocalModulesHelpers.getLocalModule(
+					parser.state,
+					param.string,
+					namedModule
+				))
+			) {
+				dep = new LocalModuleDependency(localModule, param.range, false);
+			} else {
+				dep = this.newRequireItemDependency(param.string, param.range);
+			}
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		}
+	}
+	processContext(parser, expr, param) {
+		const dep = ContextDependencyHelpers.create(
+			AMDRequireContextDependency,
+			param.range,
+			param,
+			expr,
+			this.options,
+			{},
+			parser
+		);
+		if (!dep) return;
+		dep.loc = expr.loc;
+		dep.optional = !!parser.scope.inTry;
+		parser.state.current.addDependency(dep);
+		return true;
+	}
+
+	processCallDefine(parser, expr) {
+		let array, fn, obj, namedModule;
+		switch (expr.arguments.length) {
+			case 1:
+				if (isCallable(expr.arguments[0])) {
+					// define(f() {…})
+					fn = expr.arguments[0];
+				} else if (expr.arguments[0].type === "ObjectExpression") {
+					// define({…})
+					obj = expr.arguments[0];
+				} else {
+					// define(expr)
+					// unclear if function or object
+					obj = fn = expr.arguments[0];
+				}
+				break;
+			case 2:
+				if (expr.arguments[0].type === "Literal") {
+					namedModule = expr.arguments[0].value;
+					// define("…", …)
+					if (isCallable(expr.arguments[1])) {
+						// define("…", f() {…})
+						fn = expr.arguments[1];
+					} else if (expr.arguments[1].type === "ObjectExpression") {
+						// define("…", {…})
+						obj = expr.arguments[1];
+					} else {
+						// define("…", expr)
+						// unclear if function or object
+						obj = fn = expr.arguments[1];
+					}
+				} else {
+					array = expr.arguments[0];
+					if (isCallable(expr.arguments[1])) {
+						// define([…], f() {})
+						fn = expr.arguments[1];
+					} else if (expr.arguments[1].type === "ObjectExpression") {
+						// define([…], {…})
+						obj = expr.arguments[1];
+					} else {
+						// define([…], expr)
+						// unclear if function or object
+						obj = fn = expr.arguments[1];
+					}
+				}
+				break;
+			case 3:
+				// define("…", […], f() {…})
+				namedModule = expr.arguments[0].value;
+				array = expr.arguments[1];
+				if (isCallable(expr.arguments[2])) {
+					// define("…", […], f() {})
+					fn = expr.arguments[2];
+				} else if (expr.arguments[2].type === "ObjectExpression") {
+					// define("…", […], {…})
+					obj = expr.arguments[2];
+				} else {
+					// define("…", […], expr)
+					// unclear if function or object
+					obj = fn = expr.arguments[2];
+				}
+				break;
+			default:
+				return;
+		}
+		let fnParams = null;
+		let fnParamsOffset = 0;
+		if (fn) {
+			if (isUnboundFunctionExpression(fn)) {
+				fnParams = fn.params;
+			} else if (isBoundFunctionExpression(fn)) {
+				fnParams = fn.callee.object.params;
+				fnParamsOffset = fn.arguments.length - 1;
+				if (fnParamsOffset < 0) {
+					fnParamsOffset = 0;
+				}
+			}
+		}
+		let fnRenames = parser.scope.renames.createChild();
+		if (array) {
+			const identifiers = {};
+			const param = parser.evaluateExpression(array);
+			const result = this.processArray(
+				parser,
+				expr,
+				param,
+				identifiers,
+				namedModule
+			);
+			if (!result) return;
+			if (fnParams) {
+				fnParams = fnParams.slice(fnParamsOffset).filter((param, idx) => {
+					if (identifiers[idx]) {
+						fnRenames.set(param.name, identifiers[idx]);
+						return false;
+					}
+					return true;
+				});
+			}
+		} else {
+			const identifiers = ["require", "exports", "module"];
+			if (fnParams) {
+				fnParams = fnParams.slice(fnParamsOffset).filter((param, idx) => {
+					if (identifiers[idx]) {
+						fnRenames.set(param.name, identifiers[idx]);
+						return false;
+					}
+					return true;
+				});
+			}
+		}
+		let inTry;
+		if (fn && isUnboundFunctionExpression(fn)) {
+			inTry = parser.scope.inTry;
+			parser.inScope(fnParams, () => {
+				parser.scope.renames = fnRenames;
+				parser.scope.inTry = inTry;
+				if (fn.body.type === "BlockStatement") {
+					parser.walkStatement(fn.body);
+				} else {
+					parser.walkExpression(fn.body);
+				}
+			});
+		} else if (fn && isBoundFunctionExpression(fn)) {
+			inTry = parser.scope.inTry;
+			parser.inScope(
+				fn.callee.object.params.filter(
+					i => !["require", "module", "exports"].includes(i.name)
+				),
+				() => {
+					parser.scope.renames = fnRenames;
+					parser.scope.inTry = inTry;
+					if (fn.callee.object.body.type === "BlockStatement") {
+						parser.walkStatement(fn.callee.object.body);
+					} else {
+						parser.walkExpression(fn.callee.object.body);
+					}
+				}
+			);
+			if (fn.arguments) {
+				parser.walkExpressions(fn.arguments);
+			}
+		} else if (fn || obj) {
+			parser.walkExpression(fn || obj);
+		}
+
+		const dep = this.newDefineDependency(
+			expr.range,
+			array ? array.range : null,
+			fn ? fn.range : null,
+			obj ? obj.range : null,
+			namedModule ? namedModule : null
+		);
+		dep.loc = expr.loc;
+		if (namedModule) {
+			dep.localModule = LocalModulesHelpers.addLocalModule(
+				parser.state,
+				namedModule
+			);
+		}
+		parser.state.current.addDependency(dep);
+		return true;
+	}
+
+	newDefineDependency(
+		range,
+		arrayRange,
+		functionRange,
+		objectRange,
+		namedModule
+	) {
+		return new AMDDefineDependency(
+			range,
+			arrayRange,
+			functionRange,
+			objectRange,
+			namedModule
+		);
+	}
+	newRequireArrayDependency(depsArray, range) {
+		return new AMDRequireArrayDependency(depsArray, range);
+	}
+	newRequireItemDependency(request, range) {
+		return new AMDRequireItemDependency(request, range);
+	}
+}
+module.exports = AMDDefineDependencyParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/AMDPlugin.js b/node_modules/webpack/lib/dependencies/AMDPlugin.js
new file mode 100644
index 00000000..d113491c
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDPlugin.js
@@ -0,0 +1,249 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const AMDRequireDependency = require("./AMDRequireDependency");
+const AMDRequireItemDependency = require("./AMDRequireItemDependency");
+const AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
+const AMDRequireContextDependency = require("./AMDRequireContextDependency");
+const AMDDefineDependency = require("./AMDDefineDependency");
+const UnsupportedDependency = require("./UnsupportedDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+
+const NullFactory = require("../NullFactory");
+
+const AMDRequireDependenciesBlockParserPlugin = require("./AMDRequireDependenciesBlockParserPlugin");
+const AMDDefineDependencyParserPlugin = require("./AMDDefineDependencyParserPlugin");
+
+const AliasPlugin = require("enhanced-resolve/lib/AliasPlugin");
+
+const ParserHelpers = require("../ParserHelpers");
+
+class AMDPlugin {
+	constructor(options, amdOptions) {
+		this.amdOptions = amdOptions;
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		const amdOptions = this.amdOptions;
+		compiler.hooks.compilation.tap(
+			"AMDPlugin",
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					AMDRequireDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					AMDRequireDependency,
+					new AMDRequireDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					AMDRequireItemDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					AMDRequireItemDependency,
+					new AMDRequireItemDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					AMDRequireArrayDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					AMDRequireArrayDependency,
+					new AMDRequireArrayDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					AMDRequireContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					AMDRequireContextDependency,
+					new AMDRequireContextDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					AMDDefineDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					AMDDefineDependency,
+					new AMDDefineDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					UnsupportedDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					UnsupportedDependency,
+					new UnsupportedDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					LocalModuleDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					LocalModuleDependency,
+					new LocalModuleDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.amd !== undefined && !parserOptions.amd) return;
+
+					const setExpressionToModule = (outerExpr, module) => {
+						parser.hooks.expression.for(outerExpr).tap("AMDPlugin", expr => {
+							const dep = new AMDRequireItemDependency(module, expr.range);
+							dep.userRequest = outerExpr;
+							dep.loc = expr.loc;
+							parser.state.current.addDependency(dep);
+							return true;
+						});
+					};
+
+					new AMDRequireDependenciesBlockParserPlugin(options).apply(parser);
+					new AMDDefineDependencyParserPlugin(options).apply(parser);
+
+					setExpressionToModule("require.amd", "!!webpack amd options");
+					setExpressionToModule("define.amd", "!!webpack amd options");
+					setExpressionToModule("define", "!!webpack amd define");
+
+					parser.hooks.expression
+						.for("__webpack_amd_options__")
+						.tap("AMDPlugin", () =>
+							parser.state.current.addVariable(
+								"__webpack_amd_options__",
+								JSON.stringify(amdOptions)
+							)
+						);
+					parser.hooks.evaluateTypeof
+						.for("define.amd")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.evaluateToString(typeof amdOptions)
+						);
+					parser.hooks.evaluateTypeof
+						.for("require.amd")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.evaluateToString(typeof amdOptions)
+						);
+					parser.hooks.evaluateIdentifier
+						.for("define.amd")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.evaluateToIdentifier("define.amd", true)
+						);
+					parser.hooks.evaluateIdentifier
+						.for("require.amd")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.evaluateToIdentifier("require.amd", true)
+						);
+					parser.hooks.typeof
+						.for("define")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("function")
+							)
+						);
+					parser.hooks.evaluateTypeof
+						.for("define")
+						.tap("AMDPlugin", ParserHelpers.evaluateToString("function"));
+					parser.hooks.canRename
+						.for("define")
+						.tap("AMDPlugin", ParserHelpers.approve);
+					parser.hooks.rename.for("define").tap("AMDPlugin", expr => {
+						const dep = new AMDRequireItemDependency(
+							"!!webpack amd define",
+							expr.range
+						);
+						dep.userRequest = "define";
+						dep.loc = expr.loc;
+						parser.state.current.addDependency(dep);
+						return false;
+					});
+					parser.hooks.typeof
+						.for("require")
+						.tap(
+							"AMDPlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("function")
+							)
+						);
+					parser.hooks.evaluateTypeof
+						.for("require")
+						.tap("AMDPlugin", ParserHelpers.evaluateToString("function"));
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("AMDPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("AMDPlugin", handler);
+			}
+		);
+		compiler.hooks.afterResolvers.tap("AMDPlugin", () => {
+			compiler.resolverFactory.hooks.resolver
+				.for("normal")
+				.tap("AMDPlugin", resolver => {
+					new AliasPlugin(
+						"described-resolve",
+						{
+							name: "amdefine",
+							alias: path.join(
+								__dirname,
+								"..",
+								"..",
+								"buildin",
+								"amd-define.js"
+							)
+						},
+						"resolve"
+					).apply(resolver);
+					new AliasPlugin(
+						"described-resolve",
+						{
+							name: "webpack amd options",
+							alias: path.join(
+								__dirname,
+								"..",
+								"..",
+								"buildin",
+								"amd-options.js"
+							)
+						},
+						"resolve"
+					).apply(resolver);
+					new AliasPlugin(
+						"described-resolve",
+						{
+							name: "webpack amd define",
+							alias: path.join(
+								__dirname,
+								"..",
+								"..",
+								"buildin",
+								"amd-define.js"
+							)
+						},
+						"resolve"
+					).apply(resolver);
+				});
+		});
+	}
+}
+module.exports = AMDPlugin;
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireArrayDependency.js b/node_modules/webpack/lib/dependencies/AMDRequireArrayDependency.js
new file mode 100644
index 00000000..ddb9c293
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireArrayDependency.js
@@ -0,0 +1,49 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+
+class AMDRequireArrayDependency extends Dependency {
+	constructor(depsArray, range) {
+		super();
+		this.depsArray = depsArray;
+		this.range = range;
+	}
+
+	get type() {
+		return "amd require array";
+	}
+}
+
+AMDRequireArrayDependency.Template = class AMDRequireArrayDependencyTemplate {
+	apply(dep, source, runtime) {
+		const content = this.getContent(dep, runtime);
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+
+	getContent(dep, runtime) {
+		const requires = dep.depsArray.map(dependency => {
+			return this.contentForDependency(dependency, runtime);
+		});
+		return `[${requires.join(", ")}]`;
+	}
+
+	contentForDependency(dep, runtime) {
+		if (typeof dep === "string") {
+			return dep;
+		}
+
+		if (dep.localModule) {
+			return dep.localModule.variableName();
+		} else {
+			return runtime.moduleExports({
+				module: dep.module,
+				request: dep.request
+			});
+		}
+	}
+};
+
+module.exports = AMDRequireArrayDependency;
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireContextDependency.js b/node_modules/webpack/lib/dependencies/AMDRequireContextDependency.js
new file mode 100644
index 00000000..b2e60b5b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireContextDependency.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ContextDependency = require("./ContextDependency");
+class AMDRequireContextDependency extends ContextDependency {
+	constructor(options, range, valueRange) {
+		super(options);
+		this.range = range;
+		this.valueRange = valueRange;
+	}
+
+	get type() {
+		return "amd require context";
+	}
+}
+AMDRequireContextDependency.Template = require("./ContextDependencyTemplateAsRequireCall");
+module.exports = AMDRequireContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlock.js b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlock.js
new file mode 100644
index 00000000..bd7e7b84
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlock.js
@@ -0,0 +1,47 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
+const AMDRequireDependency = require("./AMDRequireDependency");
+
+module.exports = class AMDRequireDependenciesBlock extends AsyncDependenciesBlock {
+	constructor(
+		expr,
+		arrayRange,
+		functionRange,
+		errorCallbackRange,
+		module,
+		loc,
+		request
+	) {
+		super(null, module, loc, request);
+		this.expr = expr;
+		this.outerRange = expr.range;
+		this.arrayRange = arrayRange;
+		this.functionBindThis = false;
+		this.functionRange = functionRange;
+		this.errorCallbackBindThis = false;
+		this.errorCallbackRange = errorCallbackRange;
+		this.bindThis = true;
+		if (arrayRange && functionRange && errorCallbackRange) {
+			this.range = [arrayRange[0], errorCallbackRange[1]];
+		} else if (arrayRange && functionRange) {
+			this.range = [arrayRange[0], functionRange[1]];
+		} else if (arrayRange) {
+			this.range = arrayRange;
+		} else if (functionRange) {
+			this.range = functionRange;
+		} else {
+			this.range = expr.range;
+		}
+		const dep = this.newRequireDependency();
+		dep.loc = loc;
+		this.addDependency(dep);
+	}
+
+	newRequireDependency() {
+		return new AMDRequireDependency(this);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js
new file mode 100644
index 00000000..ea52d819
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js
@@ -0,0 +1,274 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const AMDRequireItemDependency = require("./AMDRequireItemDependency");
+const AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
+const AMDRequireContextDependency = require("./AMDRequireContextDependency");
+const AMDRequireDependenciesBlock = require("./AMDRequireDependenciesBlock");
+const UnsupportedDependency = require("./UnsupportedDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const LocalModulesHelpers = require("./LocalModulesHelpers");
+const ConstDependency = require("./ConstDependency");
+const getFunctionExpression = require("./getFunctionExpression");
+const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
+
+class AMDRequireDependenciesBlockParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	processFunctionArgument(parser, expression) {
+		let bindThis = true;
+		const fnData = getFunctionExpression(expression);
+		if (fnData) {
+			parser.inScope(
+				fnData.fn.params.filter(i => {
+					return !["require", "module", "exports"].includes(i.name);
+				}),
+				() => {
+					if (fnData.fn.body.type === "BlockStatement") {
+						parser.walkStatement(fnData.fn.body);
+					} else {
+						parser.walkExpression(fnData.fn.body);
+					}
+				}
+			);
+			parser.walkExpressions(fnData.expressions);
+			if (fnData.needThis === false) {
+				bindThis = false;
+			}
+		} else {
+			parser.walkExpression(expression);
+		}
+		return bindThis;
+	}
+
+	apply(parser) {
+		parser.hooks.call
+			.for("require")
+			.tap(
+				"AMDRequireDependenciesBlockParserPlugin",
+				this.processCallRequire.bind(this, parser)
+			);
+	}
+
+	processArray(parser, expr, param) {
+		if (param.isArray()) {
+			for (const p of param.items) {
+				const result = this.processItem(parser, expr, p);
+				if (result === undefined) {
+					this.processContext(parser, expr, p);
+				}
+			}
+			return true;
+		} else if (param.isConstArray()) {
+			const deps = [];
+			for (const request of param.array) {
+				let dep, localModule;
+				if (request === "require") {
+					dep = "__webpack_require__";
+				} else if (["exports", "module"].includes(request)) {
+					dep = request;
+				} else if (
+					(localModule = LocalModulesHelpers.getLocalModule(
+						parser.state,
+						request
+					))
+				) {
+					dep = new LocalModuleDependency(localModule, undefined, false);
+					dep.loc = expr.loc;
+					parser.state.current.addDependency(dep);
+				} else {
+					dep = this.newRequireItemDependency(request);
+					dep.loc = expr.loc;
+					dep.optional = !!parser.scope.inTry;
+					parser.state.current.addDependency(dep);
+				}
+				deps.push(dep);
+			}
+			const dep = this.newRequireArrayDependency(deps, param.range);
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		}
+	}
+	processItem(parser, expr, param) {
+		if (param.isConditional()) {
+			for (const p of param.options) {
+				const result = this.processItem(parser, expr, p);
+				if (result === undefined) {
+					this.processContext(parser, expr, p);
+				}
+			}
+			return true;
+		} else if (param.isString()) {
+			let dep, localModule;
+			if (param.string === "require") {
+				dep = new ConstDependency("__webpack_require__", param.string);
+			} else if (param.string === "module") {
+				dep = new ConstDependency(
+					parser.state.module.buildInfo.moduleArgument,
+					param.range
+				);
+			} else if (param.string === "exports") {
+				dep = new ConstDependency(
+					parser.state.module.buildInfo.exportsArgument,
+					param.range
+				);
+			} else if (
+				(localModule = LocalModulesHelpers.getLocalModule(
+					parser.state,
+					param.string
+				))
+			) {
+				dep = new LocalModuleDependency(localModule, param.range, false);
+			} else {
+				dep = this.newRequireItemDependency(param.string, param.range);
+			}
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		}
+	}
+	processContext(parser, expr, param) {
+		const dep = ContextDependencyHelpers.create(
+			AMDRequireContextDependency,
+			param.range,
+			param,
+			expr,
+			this.options,
+			{},
+			parser
+		);
+		if (!dep) return;
+		dep.loc = expr.loc;
+		dep.optional = !!parser.scope.inTry;
+		parser.state.current.addDependency(dep);
+		return true;
+	}
+
+	processArrayForRequestString(param) {
+		if (param.isArray()) {
+			const result = param.items.map(item =>
+				this.processItemForRequestString(item)
+			);
+			if (result.every(Boolean)) return result.join(" ");
+		} else if (param.isConstArray()) {
+			return param.array.join(" ");
+		}
+	}
+
+	processItemForRequestString(param) {
+		if (param.isConditional()) {
+			const result = param.options.map(item =>
+				this.processItemForRequestString(item)
+			);
+			if (result.every(Boolean)) return result.join("|");
+		} else if (param.isString()) {
+			return param.string;
+		}
+	}
+
+	processCallRequire(parser, expr) {
+		let param;
+		let dep;
+		let result;
+
+		const old = parser.state.current;
+
+		if (expr.arguments.length >= 1) {
+			param = parser.evaluateExpression(expr.arguments[0]);
+			dep = this.newRequireDependenciesBlock(
+				expr,
+				param.range,
+				expr.arguments.length > 1 ? expr.arguments[1].range : null,
+				expr.arguments.length > 2 ? expr.arguments[2].range : null,
+				parser.state.module,
+				expr.loc,
+				this.processArrayForRequestString(param)
+			);
+			parser.state.current = dep;
+		}
+
+		if (expr.arguments.length === 1) {
+			parser.inScope([], () => {
+				result = this.processArray(parser, expr, param);
+			});
+			parser.state.current = old;
+			if (!result) return;
+			parser.state.current.addBlock(dep);
+			return true;
+		}
+
+		if (expr.arguments.length === 2 || expr.arguments.length === 3) {
+			try {
+				parser.inScope([], () => {
+					result = this.processArray(parser, expr, param);
+				});
+				if (!result) {
+					dep = new UnsupportedDependency("unsupported", expr.range);
+					old.addDependency(dep);
+					if (parser.state.module) {
+						parser.state.module.errors.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								"Cannot statically analyse 'require(…, …)' in line " +
+									expr.loc.start.line,
+								expr.loc
+							)
+						);
+					}
+					dep = null;
+					return true;
+				}
+				dep.functionBindThis = this.processFunctionArgument(
+					parser,
+					expr.arguments[1]
+				);
+				if (expr.arguments.length === 3) {
+					dep.errorCallbackBindThis = this.processFunctionArgument(
+						parser,
+						expr.arguments[2]
+					);
+				}
+			} finally {
+				parser.state.current = old;
+				if (dep) parser.state.current.addBlock(dep);
+			}
+			return true;
+		}
+	}
+
+	newRequireDependenciesBlock(
+		expr,
+		arrayRange,
+		functionRange,
+		errorCallbackRange,
+		module,
+		loc,
+		request
+	) {
+		return new AMDRequireDependenciesBlock(
+			expr,
+			arrayRange,
+			functionRange,
+			errorCallbackRange,
+			module,
+			loc,
+			request
+		);
+	}
+	newRequireItemDependency(request, range) {
+		return new AMDRequireItemDependency(request, range);
+	}
+	newRequireArrayDependency(depsArray, range) {
+		return new AMDRequireArrayDependency(depsArray, range);
+	}
+}
+module.exports = AMDRequireDependenciesBlockParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireDependency.js b/node_modules/webpack/lib/dependencies/AMDRequireDependency.js
new file mode 100644
index 00000000..fd514e25
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireDependency.js
@@ -0,0 +1,135 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class AMDRequireDependency extends NullDependency {
+	constructor(block) {
+		super();
+		this.block = block;
+	}
+}
+
+AMDRequireDependency.Template = class AMDRequireDependencyTemplate {
+	apply(dep, source, runtime) {
+		const depBlock = dep.block;
+		const promise = runtime.blockPromise({
+			block: depBlock,
+			message: "AMD require"
+		});
+
+		// has array range but no function range
+		if (depBlock.arrayRange && !depBlock.functionRange) {
+			const startBlock = `${promise}.then(function() {`;
+			const endBlock = `;}).catch(${runtime.onError()})`;
+			source.replace(
+				depBlock.outerRange[0],
+				depBlock.arrayRange[0] - 1,
+				startBlock
+			);
+			source.replace(
+				depBlock.arrayRange[1],
+				depBlock.outerRange[1] - 1,
+				endBlock
+			);
+			return;
+		}
+
+		// has function range but no array range
+		if (depBlock.functionRange && !depBlock.arrayRange) {
+			const startBlock = `${promise}.then((`;
+			const endBlock = `).bind(exports, __webpack_require__, exports, module)).catch(${runtime.onError()})`;
+			source.replace(
+				depBlock.outerRange[0],
+				depBlock.functionRange[0] - 1,
+				startBlock
+			);
+			source.replace(
+				depBlock.functionRange[1],
+				depBlock.outerRange[1] - 1,
+				endBlock
+			);
+			return;
+		}
+
+		// has array range, function range, and errorCallbackRange
+		if (
+			depBlock.arrayRange &&
+			depBlock.functionRange &&
+			depBlock.errorCallbackRange
+		) {
+			const startBlock = `${promise}.then(function() { `;
+			const errorRangeBlock = `}${
+				depBlock.functionBindThis ? ".bind(this)" : ""
+			}).catch(`;
+			const endBlock = `${
+				depBlock.errorCallbackBindThis ? ".bind(this)" : ""
+			})`;
+
+			source.replace(
+				depBlock.outerRange[0],
+				depBlock.arrayRange[0] - 1,
+				startBlock
+			);
+			source.insert(
+				depBlock.arrayRange[0] + 0.9,
+				"var __WEBPACK_AMD_REQUIRE_ARRAY__ = "
+			);
+			source.replace(
+				depBlock.arrayRange[1],
+				depBlock.functionRange[0] - 1,
+				"; ("
+			);
+			source.insert(
+				depBlock.functionRange[1],
+				").apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__);"
+			);
+			source.replace(
+				depBlock.functionRange[1],
+				depBlock.errorCallbackRange[0] - 1,
+				errorRangeBlock
+			);
+			source.replace(
+				depBlock.errorCallbackRange[1],
+				depBlock.outerRange[1] - 1,
+				endBlock
+			);
+			return;
+		}
+
+		// has array range, function range, but no errorCallbackRange
+		if (depBlock.arrayRange && depBlock.functionRange) {
+			const startBlock = `${promise}.then(function() { `;
+			const endBlock = `}${
+				depBlock.functionBindThis ? ".bind(this)" : ""
+			}).catch(${runtime.onError()})`;
+			source.replace(
+				depBlock.outerRange[0],
+				depBlock.arrayRange[0] - 1,
+				startBlock
+			);
+			source.insert(
+				depBlock.arrayRange[0] + 0.9,
+				"var __WEBPACK_AMD_REQUIRE_ARRAY__ = "
+			);
+			source.replace(
+				depBlock.arrayRange[1],
+				depBlock.functionRange[0] - 1,
+				"; ("
+			);
+			source.insert(
+				depBlock.functionRange[1],
+				").apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__);"
+			);
+			source.replace(
+				depBlock.functionRange[1],
+				depBlock.outerRange[1] - 1,
+				endBlock
+			);
+		}
+	}
+};
+
+module.exports = AMDRequireDependency;
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireItemDependency.js b/node_modules/webpack/lib/dependencies/AMDRequireItemDependency.js
new file mode 100644
index 00000000..d033a90d
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/AMDRequireItemDependency.js
@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const ModuleDependencyTemplateAsRequireId = require("./ModuleDependencyTemplateAsRequireId");
+
+class AMDRequireItemDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+	}
+
+	get type() {
+		return "amd require";
+	}
+}
+
+AMDRequireItemDependency.Template = ModuleDependencyTemplateAsRequireId;
+
+module.exports = AMDRequireItemDependency;
diff --git a/node_modules/webpack/lib/dependencies/CommonJsPlugin.js b/node_modules/webpack/lib/dependencies/CommonJsPlugin.js
new file mode 100644
index 00000000..6d441a87
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CommonJsPlugin.js
@@ -0,0 +1,158 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ConstDependency = require("./ConstDependency");
+const CommonJsRequireDependency = require("./CommonJsRequireDependency");
+const CommonJsRequireContextDependency = require("./CommonJsRequireContextDependency");
+const RequireResolveDependency = require("./RequireResolveDependency");
+const RequireResolveContextDependency = require("./RequireResolveContextDependency");
+const RequireResolveHeaderDependency = require("./RequireResolveHeaderDependency");
+const RequireHeaderDependency = require("./RequireHeaderDependency");
+
+const NullFactory = require("../NullFactory");
+
+const RequireResolveDependencyParserPlugin = require("./RequireResolveDependencyParserPlugin");
+const CommonJsRequireDependencyParserPlugin = require("./CommonJsRequireDependencyParserPlugin");
+
+const ParserHelpers = require("../ParserHelpers");
+
+class CommonJsPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap(
+			"CommonJsPlugin",
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					CommonJsRequireDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					CommonJsRequireDependency,
+					new CommonJsRequireDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					CommonJsRequireContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					CommonJsRequireContextDependency,
+					new CommonJsRequireContextDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					RequireResolveDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					RequireResolveDependency,
+					new RequireResolveDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					RequireResolveContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					RequireResolveContextDependency,
+					new RequireResolveContextDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					RequireResolveHeaderDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					RequireResolveHeaderDependency,
+					new RequireResolveHeaderDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					RequireHeaderDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					RequireHeaderDependency,
+					new RequireHeaderDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.commonjs !== undefined && !parserOptions.commonjs)
+						return;
+
+					const requireExpressions = [
+						"require",
+						"require.resolve",
+						"require.resolveWeak"
+					];
+					for (let expression of requireExpressions) {
+						parser.hooks.typeof
+							.for(expression)
+							.tap(
+								"CommonJsPlugin",
+								ParserHelpers.toConstantDependency(
+									parser,
+									JSON.stringify("function")
+								)
+							);
+						parser.hooks.evaluateTypeof
+							.for(expression)
+							.tap(
+								"CommonJsPlugin",
+								ParserHelpers.evaluateToString("function")
+							);
+						parser.hooks.evaluateIdentifier
+							.for(expression)
+							.tap(
+								"CommonJsPlugin",
+								ParserHelpers.evaluateToIdentifier(expression, true)
+							);
+					}
+
+					parser.hooks.evaluateTypeof
+						.for("module")
+						.tap("CommonJsPlugin", ParserHelpers.evaluateToString("object"));
+					parser.hooks.assign.for("require").tap("CommonJsPlugin", expr => {
+						// to not leak to global "require", we need to define a local require here.
+						const dep = new ConstDependency("var require;", 0);
+						dep.loc = expr.loc;
+						parser.state.current.addDependency(dep);
+						parser.scope.definitions.add("require");
+						return true;
+					});
+					parser.hooks.canRename
+						.for("require")
+						.tap("CommonJsPlugin", () => true);
+					parser.hooks.rename.for("require").tap("CommonJsPlugin", expr => {
+						// define the require variable. It's still undefined, but not "not defined".
+						const dep = new ConstDependency("var require;", 0);
+						dep.loc = expr.loc;
+						parser.state.current.addDependency(dep);
+						return false;
+					});
+					parser.hooks.typeof.for("module").tap("CommonJsPlugin", () => true);
+					parser.hooks.evaluateTypeof
+						.for("exports")
+						.tap("CommonJsPlugin", ParserHelpers.evaluateToString("object"));
+
+					new CommonJsRequireDependencyParserPlugin(options).apply(parser);
+					new RequireResolveDependencyParserPlugin(options).apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("CommonJsPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("CommonJsPlugin", handler);
+			}
+		);
+	}
+}
+module.exports = CommonJsPlugin;
diff --git a/node_modules/webpack/lib/dependencies/CommonJsRequireContextDependency.js b/node_modules/webpack/lib/dependencies/CommonJsRequireContextDependency.js
new file mode 100644
index 00000000..723a849e
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CommonJsRequireContextDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ContextDependency = require("./ContextDependency");
+const ContextDependencyTemplateAsRequireCall = require("./ContextDependencyTemplateAsRequireCall");
+
+class CommonJsRequireContextDependency extends ContextDependency {
+	constructor(options, range, valueRange) {
+		super(options);
+		this.range = range;
+		this.valueRange = valueRange;
+	}
+
+	get type() {
+		return "cjs require context";
+	}
+}
+
+CommonJsRequireContextDependency.Template = ContextDependencyTemplateAsRequireCall;
+
+module.exports = CommonJsRequireContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/CommonJsRequireDependency.js b/node_modules/webpack/lib/dependencies/CommonJsRequireDependency.js
new file mode 100644
index 00000000..29a30f34
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CommonJsRequireDependency.js
@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const ModuleDependencyTemplateAsId = require("./ModuleDependencyTemplateAsId");
+
+class CommonJsRequireDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+	}
+
+	get type() {
+		return "cjs require";
+	}
+}
+
+CommonJsRequireDependency.Template = ModuleDependencyTemplateAsId;
+
+module.exports = CommonJsRequireDependency;
diff --git a/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
new file mode 100644
index 00000000..b0faa1a3
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
@@ -0,0 +1,138 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CommonJsRequireDependency = require("./CommonJsRequireDependency");
+const CommonJsRequireContextDependency = require("./CommonJsRequireContextDependency");
+const RequireHeaderDependency = require("./RequireHeaderDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const LocalModulesHelpers = require("./LocalModulesHelpers");
+const ParserHelpers = require("../ParserHelpers");
+
+class CommonJsRequireDependencyParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(parser) {
+		const options = this.options;
+
+		const processItem = (expr, param) => {
+			if (param.isString()) {
+				const dep = new CommonJsRequireDependency(param.string, param.range);
+				dep.loc = expr.loc;
+				dep.optional = !!parser.scope.inTry;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		};
+		const processContext = (expr, param) => {
+			const dep = ContextDependencyHelpers.create(
+				CommonJsRequireContextDependency,
+				expr.range,
+				param,
+				expr,
+				options,
+				{},
+				parser
+			);
+			if (!dep) return;
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		};
+
+		parser.hooks.expression
+			.for("require.cache")
+			.tap(
+				"CommonJsRequireDependencyParserPlugin",
+				ParserHelpers.toConstantDependencyWithWebpackRequire(
+					parser,
+					"__webpack_require__.c"
+				)
+			);
+		parser.hooks.expression
+			.for("require")
+			.tap("CommonJsRequireDependencyParserPlugin", expr => {
+				const dep = new CommonJsRequireContextDependency(
+					{
+						request: options.unknownContextRequest,
+						recursive: options.unknownContextRecursive,
+						regExp: options.unknownContextRegExp,
+						mode: "sync"
+					},
+					expr.range
+				);
+				dep.critical =
+					options.unknownContextCritical &&
+					"require function is used in a way in which dependencies cannot be statically extracted";
+				dep.loc = expr.loc;
+				dep.optional = !!parser.scope.inTry;
+				parser.state.current.addDependency(dep);
+				return true;
+			});
+
+		const createHandler = callNew => expr => {
+			if (expr.arguments.length !== 1) return;
+			let localModule;
+			const param = parser.evaluateExpression(expr.arguments[0]);
+			if (param.isConditional()) {
+				let isExpression = false;
+				const prevLength = parser.state.current.dependencies.length;
+				const dep = new RequireHeaderDependency(expr.callee.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				for (const p of param.options) {
+					const result = processItem(expr, p);
+					if (result === undefined) {
+						isExpression = true;
+					}
+				}
+				if (isExpression) {
+					parser.state.current.dependencies.length = prevLength;
+				} else {
+					return true;
+				}
+			}
+			if (
+				param.isString() &&
+				(localModule = LocalModulesHelpers.getLocalModule(
+					parser.state,
+					param.string
+				))
+			) {
+				const dep = new LocalModuleDependency(localModule, expr.range, callNew);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				return true;
+			} else {
+				const result = processItem(expr, param);
+				if (result === undefined) {
+					processContext(expr, param);
+				} else {
+					const dep = new RequireHeaderDependency(expr.callee.range);
+					dep.loc = expr.loc;
+					parser.state.current.addDependency(dep);
+				}
+				return true;
+			}
+		};
+		parser.hooks.call
+			.for("require")
+			.tap("CommonJsRequireDependencyParserPlugin", createHandler(false));
+		parser.hooks.new
+			.for("require")
+			.tap("CommonJsRequireDependencyParserPlugin", createHandler(true));
+		parser.hooks.call
+			.for("module.require")
+			.tap("CommonJsRequireDependencyParserPlugin", createHandler(false));
+		parser.hooks.new
+			.for("module.require")
+			.tap("CommonJsRequireDependencyParserPlugin", createHandler(true));
+	}
+}
+module.exports = CommonJsRequireDependencyParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/ConstDependency.js b/node_modules/webpack/lib/dependencies/ConstDependency.js
new file mode 100644
index 00000000..22edb8e2
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ConstDependency.js
@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class ConstDependency extends NullDependency {
+	constructor(expression, range, requireWebpackRequire) {
+		super();
+		this.expression = expression;
+		this.range = range;
+		this.requireWebpackRequire = requireWebpackRequire;
+	}
+
+	updateHash(hash) {
+		hash.update(this.range + "");
+		hash.update(this.expression + "");
+	}
+}
+
+ConstDependency.Template = class ConstDependencyTemplate {
+	apply(dep, source) {
+		if (typeof dep.range === "number") {
+			source.insert(dep.range, dep.expression);
+			return;
+		}
+
+		source.replace(dep.range[0], dep.range[1] - 1, dep.expression);
+	}
+};
+
+module.exports = ConstDependency;
diff --git a/node_modules/webpack/lib/dependencies/ContextDependency.js b/node_modules/webpack/lib/dependencies/ContextDependency.js
new file mode 100644
index 00000000..10c2fea9
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ContextDependency.js
@@ -0,0 +1,68 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+const CriticalDependencyWarning = require("./CriticalDependencyWarning");
+
+const regExpToString = r => (r ? r + "" : "");
+
+class ContextDependency extends Dependency {
+	// options: { request, recursive, regExp, include, exclude, mode, chunkName, groupOptions }
+	constructor(options) {
+		super();
+		this.options = options;
+		this.userRequest = this.options.request;
+		/** @type {false | string} */
+		this.critical = false;
+		this.hadGlobalOrStickyRegExp = false;
+		if (this.options.regExp.global || this.options.regExp.sticky) {
+			this.options.regExp = null;
+			this.hadGlobalOrStickyRegExp = true;
+		}
+	}
+
+	getResourceIdentifier() {
+		return (
+			`context${this.options.request} ${this.options.recursive} ` +
+			`${regExpToString(this.options.regExp)} ${regExpToString(
+				this.options.include
+			)} ${regExpToString(this.options.exclude)} ` +
+			`${this.options.mode} ${this.options.chunkName} ` +
+			`${JSON.stringify(this.options.groupOptions)}`
+		);
+	}
+
+	getWarnings() {
+		let warnings = super.getWarnings() || [];
+		if (this.critical) {
+			warnings.push(new CriticalDependencyWarning(this.critical));
+		}
+		if (this.hadGlobalOrStickyRegExp) {
+			warnings.push(
+				new CriticalDependencyWarning(
+					"Contexts can't use RegExps with the 'g' or 'y' flags."
+				)
+			);
+		}
+		return warnings;
+	}
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(ContextDependency.prototype, "async", {
+	configurable: false,
+	get() {
+		throw new Error(
+			"ContextDependency.async was removed. Use ContextDependency.options.mode instead."
+		);
+	},
+	set() {
+		throw new Error(
+			"ContextDependency.async was removed. Pass options.mode to constructor instead"
+		);
+	}
+});
+
+module.exports = ContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js b/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js
new file mode 100644
index 00000000..377425b2
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js
@@ -0,0 +1,232 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ContextDependencyHelpers = exports;
+
+/**
+ * Escapes regular expression metacharacters
+ * @param {string} str String to quote
+ * @returns {string} Escaped string
+ */
+const quotemeta = str => {
+	return str.replace(/[-[\]\\/{}()*+?.^$|]/g, "\\$&");
+};
+
+const splitContextFromPrefix = prefix => {
+	const idx = prefix.lastIndexOf("/");
+	let context = ".";
+	if (idx >= 0) {
+		context = prefix.substr(0, idx);
+		prefix = `.${prefix.substr(idx)}`;
+	}
+	return {
+		context,
+		prefix
+	};
+};
+
+const splitQueryFromPostfix = postfix => {
+	const idx = postfix.indexOf("?");
+	let query = "";
+	if (idx >= 0) {
+		query = postfix.substr(idx);
+		postfix = postfix.substr(0, idx);
+	}
+	return {
+		postfix,
+		query
+	};
+};
+
+ContextDependencyHelpers.create = (
+	Dep,
+	range,
+	param,
+	expr,
+	options,
+	contextOptions,
+	// when parser is not passed in, expressions won't be walked
+	parser = null
+) => {
+	if (param.isTemplateString()) {
+		let prefixRaw = param.quasis[0].string;
+		let postfixRaw =
+			param.quasis.length > 1
+				? param.quasis[param.quasis.length - 1].string
+				: "";
+
+		const valueRange = param.range;
+		const { context, prefix } = splitContextFromPrefix(prefixRaw);
+		const { postfix, query } = splitQueryFromPostfix(postfixRaw);
+
+		// When there are more than two quasis, the generated RegExp can be more precise
+		// We join the quasis with the expression regexp
+		const innerQuasis = param.quasis.slice(1, param.quasis.length - 1);
+		const innerRegExp =
+			options.wrappedContextRegExp.source +
+			innerQuasis
+				.map(q => quotemeta(q.string) + options.wrappedContextRegExp.source)
+				.join("");
+
+		// Example: `./context/pre${e}inner${e}inner2${e}post?query`
+		// context: "./context"
+		// prefix: "./pre"
+		// innerQuasis: [BEE("inner"), BEE("inner2")]
+		// (BEE = BasicEvaluatedExpression)
+		// postfix: "post"
+		// query: "?query"
+		// regExp: /^\.\/pre.*inner.*inner2.*post$/
+		const regExp = new RegExp(
+			`^${quotemeta(prefix)}${innerRegExp}${quotemeta(postfix)}$`
+		);
+		const dep = new Dep(
+			Object.assign(
+				{
+					request: context + query,
+					recursive: options.wrappedContextRecursive,
+					regExp,
+					mode: "sync"
+				},
+				contextOptions
+			),
+			range,
+			valueRange
+		);
+		dep.loc = expr.loc;
+		const replaces = [];
+
+		param.parts.forEach((part, i) => {
+			if (i % 2 === 0) {
+				// Quasis or merged quasi
+				let range = part.range;
+				let value = part.string;
+				if (param.templateStringKind === "cooked") {
+					value = JSON.stringify(value);
+					value = value.slice(1, value.length - 1);
+				}
+				if (i === 0) {
+					// prefix
+					value = prefix;
+					range = [param.range[0], part.range[1]];
+					value =
+						(param.templateStringKind === "cooked" ? "`" : "String.raw`") +
+						value;
+				} else if (i === param.parts.length - 1) {
+					// postfix
+					value = postfix;
+					range = [part.range[0], param.range[1]];
+					value = value + "`";
+				} else if (
+					part.expression &&
+					part.expression.type === "TemplateElement" &&
+					part.expression.value.raw === value
+				) {
+					// Shortcut when it's a single quasi and doesn't need to be replaced
+					return;
+				}
+				replaces.push({
+					range,
+					value
+				});
+			} else {
+				// Expression
+				if (parser) {
+					parser.walkExpression(part.expression);
+				}
+			}
+		});
+
+		dep.replaces = replaces;
+		dep.critical =
+			options.wrappedContextCritical &&
+			"a part of the request of a dependency is an expression";
+		return dep;
+	} else if (
+		param.isWrapped() &&
+		((param.prefix && param.prefix.isString()) ||
+			(param.postfix && param.postfix.isString()))
+	) {
+		let prefixRaw =
+			param.prefix && param.prefix.isString() ? param.prefix.string : "";
+		let postfixRaw =
+			param.postfix && param.postfix.isString() ? param.postfix.string : "";
+		const prefixRange =
+			param.prefix && param.prefix.isString() ? param.prefix.range : null;
+		const postfixRange =
+			param.postfix && param.postfix.isString() ? param.postfix.range : null;
+		const valueRange = param.range;
+		const { context, prefix } = splitContextFromPrefix(prefixRaw);
+		const { postfix, query } = splitQueryFromPostfix(postfixRaw);
+		const regExp = new RegExp(
+			`^${quotemeta(prefix)}${options.wrappedContextRegExp.source}${quotemeta(
+				postfix
+			)}$`
+		);
+		const dep = new Dep(
+			Object.assign(
+				{
+					request: context + query,
+					recursive: options.wrappedContextRecursive,
+					regExp,
+					mode: "sync"
+				},
+				contextOptions
+			),
+			range,
+			valueRange
+		);
+		dep.loc = expr.loc;
+		const replaces = [];
+		if (prefixRange) {
+			replaces.push({
+				range: prefixRange,
+				value: JSON.stringify(prefix)
+			});
+		}
+		if (postfixRange) {
+			replaces.push({
+				range: postfixRange,
+				value: JSON.stringify(postfix)
+			});
+		}
+		dep.replaces = replaces;
+		dep.critical =
+			options.wrappedContextCritical &&
+			"a part of the request of a dependency is an expression";
+
+		if (parser && param.wrappedInnerExpressions) {
+			for (const part of param.wrappedInnerExpressions) {
+				if (part.expression) parser.walkExpression(part.expression);
+			}
+		}
+
+		return dep;
+	} else {
+		const dep = new Dep(
+			Object.assign(
+				{
+					request: options.exprContextRequest,
+					recursive: options.exprContextRecursive,
+					regExp: options.exprContextRegExp,
+					mode: "sync"
+				},
+				contextOptions
+			),
+			range,
+			param.range
+		);
+		dep.loc = expr.loc;
+		dep.critical =
+			options.exprContextCritical &&
+			"the request of a dependency is an expression";
+
+		if (parser) {
+			parser.walkExpression(param.expression);
+		}
+
+		return dep;
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsId.js b/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsId.js
new file mode 100644
index 00000000..1ee83ff9
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsId.js
@@ -0,0 +1,43 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class ContextDependencyTemplateAsId {
+	apply(dep, source, runtime) {
+		const moduleExports = runtime.moduleExports({
+			module: dep.module,
+			request: dep.request
+		});
+
+		if (dep.module) {
+			if (dep.valueRange) {
+				if (Array.isArray(dep.replaces)) {
+					for (let i = 0; i < dep.replaces.length; i++) {
+						const rep = dep.replaces[i];
+						source.replace(rep.range[0], rep.range[1] - 1, rep.value);
+					}
+				}
+				source.replace(dep.valueRange[1], dep.range[1] - 1, ")");
+				// TODO webpack 5 remove `prepend` it's no longer used
+				source.replace(
+					dep.range[0],
+					dep.valueRange[0] - 1,
+					`${moduleExports}.resolve(${
+						typeof dep.prepend === "string" ? JSON.stringify(dep.prepend) : ""
+					}`
+				);
+			} else {
+				source.replace(
+					dep.range[0],
+					dep.range[1] - 1,
+					`${moduleExports}.resolve`
+				);
+			}
+		} else {
+			source.replace(dep.range[0], dep.range[1] - 1, moduleExports);
+		}
+	}
+}
+module.exports = ContextDependencyTemplateAsId;
diff --git a/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsRequireCall.js b/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsRequireCall.js
new file mode 100644
index 00000000..6d833ac8
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ContextDependencyTemplateAsRequireCall.js
@@ -0,0 +1,39 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class ContextDependencyTemplateAsRequireCall {
+	apply(dep, source, runtime) {
+		const moduleExports = runtime.moduleExports({
+			module: dep.module,
+			request: dep.request
+		});
+
+		if (dep.module) {
+			if (dep.valueRange) {
+				if (Array.isArray(dep.replaces)) {
+					for (let i = 0; i < dep.replaces.length; i++) {
+						const rep = dep.replaces[i];
+						source.replace(rep.range[0], rep.range[1] - 1, rep.value);
+					}
+				}
+				source.replace(dep.valueRange[1], dep.range[1] - 1, ")");
+				// TODO webpack 5 remove `prepend` it's no longer used
+				source.replace(
+					dep.range[0],
+					dep.valueRange[0] - 1,
+					`${moduleExports}(${
+						typeof dep.prepend === "string" ? JSON.stringify(dep.prepend) : ""
+					}`
+				);
+			} else {
+				source.replace(dep.range[0], dep.range[1] - 1, moduleExports);
+			}
+		} else {
+			source.replace(dep.range[0], dep.range[1] - 1, moduleExports);
+		}
+	}
+}
+module.exports = ContextDependencyTemplateAsRequireCall;
diff --git a/node_modules/webpack/lib/dependencies/ContextElementDependency.js b/node_modules/webpack/lib/dependencies/ContextElementDependency.js
new file mode 100644
index 00000000..25877049
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ContextElementDependency.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class ContextElementDependency extends ModuleDependency {
+	constructor(request, userRequest) {
+		super(request);
+		if (userRequest) {
+			this.userRequest = userRequest;
+		}
+	}
+
+	get type() {
+		return "context element";
+	}
+}
+
+module.exports = ContextElementDependency;
diff --git a/node_modules/webpack/lib/dependencies/CriticalDependencyWarning.js b/node_modules/webpack/lib/dependencies/CriticalDependencyWarning.js
new file mode 100644
index 00000000..43bd5686
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CriticalDependencyWarning.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+
+class CriticalDependencyWarning extends WebpackError {
+	constructor(message) {
+		super();
+
+		this.name = "CriticalDependencyWarning";
+		this.message = "Critical dependency: " + message;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = CriticalDependencyWarning;
diff --git a/node_modules/webpack/lib/dependencies/DelegatedExportsDependency.js b/node_modules/webpack/lib/dependencies/DelegatedExportsDependency.js
new file mode 100644
index 00000000..fcacedb4
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/DelegatedExportsDependency.js
@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const NullDependency = require("./NullDependency");
+
+class DelegatedExportsDependency extends NullDependency {
+	constructor(originModule, exports) {
+		super();
+		this.originModule = originModule;
+		this.exports = exports;
+	}
+
+	get type() {
+		return "delegated exports";
+	}
+
+	getReference() {
+		return new DependencyReference(this.originModule, true, false);
+	}
+
+	getExports() {
+		return {
+			exports: this.exports,
+			dependencies: undefined
+		};
+	}
+}
+
+module.exports = DelegatedExportsDependency;
diff --git a/node_modules/webpack/lib/dependencies/DelegatedSourceDependency.js b/node_modules/webpack/lib/dependencies/DelegatedSourceDependency.js
new file mode 100644
index 00000000..7b0b9de5
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/DelegatedSourceDependency.js
@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class DelegatedSourceDependency extends ModuleDependency {
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "delegated source";
+	}
+}
+
+module.exports = DelegatedSourceDependency;
diff --git a/node_modules/webpack/lib/dependencies/DependencyReference.js b/node_modules/webpack/lib/dependencies/DependencyReference.js
new file mode 100644
index 00000000..a8f6afae
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/DependencyReference.js
@@ -0,0 +1,64 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Florent Cailhol @ooflorent
+*/
+"use strict";
+
+/** @typedef {import("../Module")} Module */
+
+class DependencyReference {
+	// TODO webpack 5: module must be dynamic, you must pass a function returning a module
+	// This is needed to remove the hack in ConcatenatedModule
+	// The problem is that the `module` in Dependency could be replaced i. e. because of Scope Hoisting
+	/**
+	 *
+	 * @param {Module} module the referenced module
+	 * @param {string[] | boolean} importedNames imported named from the module
+	 * @param {boolean=} weak if this is a weak reference
+	 * @param {number} order the order information or NaN if don't care
+	 */
+	constructor(module, importedNames, weak = false, order = NaN) {
+		// TODO webpack 5: make it a getter
+		this.module = module;
+		// true: full object
+		// false: only sideeffects/no export
+		// array of strings: the exports with this names
+		this.importedNames = importedNames;
+		this.weak = !!weak;
+		this.order = order;
+	}
+
+	/**
+	 * @param {DependencyReference[]} array an array (will be modified)
+	 * @returns {DependencyReference[]} the array again
+	 */
+	static sort(array) {
+		/** @type {WeakMap<DependencyReference, number>} */
+		const originalOrder = new WeakMap();
+		let i = 0;
+		for (const ref of array) {
+			originalOrder.set(ref, i++);
+		}
+		return array.sort((a, b) => {
+			const aOrder = a.order;
+			const bOrder = b.order;
+			if (isNaN(aOrder)) {
+				if (!isNaN(bOrder)) {
+					return 1;
+				}
+			} else {
+				if (isNaN(bOrder)) {
+					return -1;
+				}
+				if (aOrder !== bOrder) {
+					return aOrder - bOrder;
+				}
+			}
+			const aOrg = originalOrder.get(a);
+			const bOrg = originalOrder.get(b);
+			return aOrg - bOrg;
+		});
+	}
+}
+
+module.exports = DependencyReference;
diff --git a/node_modules/webpack/lib/dependencies/DllEntryDependency.js b/node_modules/webpack/lib/dependencies/DllEntryDependency.js
new file mode 100644
index 00000000..47c6acc0
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/DllEntryDependency.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+
+class DllEntryDependency extends Dependency {
+	constructor(dependencies, name) {
+		super();
+		this.dependencies = dependencies;
+		this.name = name;
+	}
+
+	get type() {
+		return "dll entry";
+	}
+}
+
+module.exports = DllEntryDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyAcceptDependency.js b/node_modules/webpack/lib/dependencies/HarmonyAcceptDependency.js
new file mode 100644
index 00000000..edb7b013
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyAcceptDependency.js
@@ -0,0 +1,48 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const NullDependency = require("./NullDependency");
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+
+class HarmonyAcceptDependency extends NullDependency {
+	constructor(range, dependencies, hasCallback) {
+		super();
+		this.range = range;
+		this.dependencies = dependencies;
+		this.hasCallback = hasCallback;
+	}
+
+	get type() {
+		return "accepted harmony modules";
+	}
+}
+
+HarmonyAcceptDependency.Template = class HarmonyAcceptDependencyTemplate {
+	apply(dep, source, runtime) {
+		const content = dep.dependencies
+			.filter(dependency =>
+				HarmonyImportDependency.Template.isImportEmitted(dependency, source)
+			)
+			.map(dependency => dependency.getImportStatement(true, runtime))
+			.join("");
+
+		if (dep.hasCallback) {
+			source.insert(
+				dep.range[0],
+				`function(__WEBPACK_OUTDATED_DEPENDENCIES__) { ${content}(`
+			);
+			source.insert(
+				dep.range[1],
+				")(__WEBPACK_OUTDATED_DEPENDENCIES__); }.bind(this)"
+			);
+			return;
+		}
+
+		source.insert(dep.range[1] - 0.5, `, function() { ${content} }`);
+	}
+};
+
+module.exports = HarmonyAcceptDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyAcceptImportDependency.js b/node_modules/webpack/lib/dependencies/HarmonyAcceptImportDependency.js
new file mode 100644
index 00000000..62bd00cf
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyAcceptImportDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+
+class HarmonyAcceptImportDependency extends HarmonyImportDependency {
+	constructor(request, originModule, parserScope) {
+		super(request, originModule, NaN, parserScope);
+		this.weak = true;
+	}
+
+	get type() {
+		return "harmony accept";
+	}
+}
+
+HarmonyAcceptImportDependency.Template = class HarmonyAcceptImportDependencyTemplate extends HarmonyImportDependency.Template {
+	apply(dep, source, runtime) {}
+};
+
+module.exports = HarmonyAcceptImportDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js b/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js
new file mode 100644
index 00000000..d6febb5a
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyCompatibilityDependency extends NullDependency {
+	constructor(originModule) {
+		super();
+		this.originModule = originModule;
+	}
+
+	get type() {
+		return "harmony export header";
+	}
+}
+
+HarmonyCompatibilityDependency.Template = class HarmonyExportDependencyTemplate {
+	apply(dep, source, runtime) {
+		const usedExports = dep.originModule.usedExports;
+		if (usedExports !== false && !Array.isArray(usedExports)) {
+			const content = runtime.defineEsModuleFlagStatement({
+				exportsArgument: dep.originModule.exportsArgument
+			});
+			source.insert(-10, content);
+		}
+	}
+};
+
+module.exports = HarmonyCompatibilityDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyDetectionParserPlugin.js b/node_modules/webpack/lib/dependencies/HarmonyDetectionParserPlugin.js
new file mode 100644
index 00000000..1a0872f1
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyDetectionParserPlugin.js
@@ -0,0 +1,96 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const HarmonyCompatibilityDependency = require("./HarmonyCompatibilityDependency");
+const HarmonyInitDependency = require("./HarmonyInitDependency");
+
+module.exports = class HarmonyDetectionParserPlugin {
+	apply(parser) {
+		parser.hooks.program.tap("HarmonyDetectionParserPlugin", ast => {
+			const isStrictHarmony = parser.state.module.type === "javascript/esm";
+			const isHarmony =
+				isStrictHarmony ||
+				ast.body.some(
+					statement =>
+						statement.type === "ImportDeclaration" ||
+						statement.type === "ExportDefaultDeclaration" ||
+						statement.type === "ExportNamedDeclaration" ||
+						statement.type === "ExportAllDeclaration"
+				);
+			if (isHarmony) {
+				const module = parser.state.module;
+				const compatDep = new HarmonyCompatibilityDependency(module);
+				compatDep.loc = {
+					start: {
+						line: -1,
+						column: 0
+					},
+					end: {
+						line: -1,
+						column: 0
+					},
+					index: -3
+				};
+				module.addDependency(compatDep);
+				const initDep = new HarmonyInitDependency(module);
+				initDep.loc = {
+					start: {
+						line: -1,
+						column: 0
+					},
+					end: {
+						line: -1,
+						column: 0
+					},
+					index: -2
+				};
+				module.addDependency(initDep);
+				parser.state.harmonyParserScope = parser.state.harmonyParserScope || {};
+				parser.scope.isStrict = true;
+				module.buildMeta.exportsType = "namespace";
+				module.buildInfo.strict = true;
+				module.buildInfo.exportsArgument = "__webpack_exports__";
+				if (isStrictHarmony) {
+					module.buildMeta.strictHarmonyModule = true;
+					module.buildInfo.moduleArgument = "__webpack_module__";
+				}
+			}
+		});
+
+		const skipInHarmony = () => {
+			const module = parser.state.module;
+			if (module && module.buildMeta && module.buildMeta.exportsType) {
+				return true;
+			}
+		};
+
+		const nullInHarmony = () => {
+			const module = parser.state.module;
+			if (module && module.buildMeta && module.buildMeta.exportsType) {
+				return null;
+			}
+		};
+
+		const nonHarmonyIdentifiers = ["define", "exports"];
+		for (const identifer of nonHarmonyIdentifiers) {
+			parser.hooks.evaluateTypeof
+				.for(identifer)
+				.tap("HarmonyDetectionParserPlugin", nullInHarmony);
+			parser.hooks.typeof
+				.for(identifer)
+				.tap("HarmonyDetectionParserPlugin", skipInHarmony);
+			parser.hooks.evaluate
+				.for(identifer)
+				.tap("HarmonyDetectionParserPlugin", nullInHarmony);
+			parser.hooks.expression
+				.for(identifer)
+				.tap("HarmonyDetectionParserPlugin", skipInHarmony);
+			parser.hooks.call
+				.for(identifer)
+				.tap("HarmonyDetectionParserPlugin", skipInHarmony);
+		}
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js
new file mode 100644
index 00000000..6ab0c0fe
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js
@@ -0,0 +1,154 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
+const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
+const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
+const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
+const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
+const ConstDependency = require("./ConstDependency");
+
+module.exports = class HarmonyExportDependencyParserPlugin {
+	constructor(moduleOptions) {
+		this.strictExportPresence = moduleOptions.strictExportPresence;
+	}
+
+	apply(parser) {
+		parser.hooks.export.tap(
+			"HarmonyExportDependencyParserPlugin",
+			statement => {
+				const dep = new HarmonyExportHeaderDependency(
+					statement.declaration && statement.declaration.range,
+					statement.range
+				);
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = -1;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportImport.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, source) => {
+				parser.state.lastHarmonyImportOrder =
+					(parser.state.lastHarmonyImportOrder || 0) + 1;
+				const clearDep = new ConstDependency("", statement.range);
+				clearDep.loc = Object.create(statement.loc);
+				clearDep.loc.index = -1;
+				parser.state.current.addDependency(clearDep);
+				const sideEffectDep = new HarmonyImportSideEffectDependency(
+					source,
+					parser.state.module,
+					parser.state.lastHarmonyImportOrder,
+					parser.state.harmonyParserScope
+				);
+				sideEffectDep.loc = Object.create(statement.loc);
+				sideEffectDep.loc.index = -1;
+				parser.state.current.addDependency(sideEffectDep);
+				return true;
+			}
+		);
+		parser.hooks.exportExpression.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, expr) => {
+				const comments = parser.getComments([
+					statement.range[0],
+					expr.range[0]
+				]);
+				const dep = new HarmonyExportExpressionDependency(
+					parser.state.module,
+					expr.range,
+					statement.range,
+					comments
+						.map(c => {
+							switch (c.type) {
+								case "Block":
+									return `/*${c.value}*/`;
+								case "Line":
+									return `//${c.value}\n`;
+							}
+							return "";
+						})
+						.join("")
+				);
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = -1;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportDeclaration.tap(
+			"HarmonyExportDependencyParserPlugin",
+			statement => {}
+		);
+		parser.hooks.exportSpecifier.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, id, name, idx) => {
+				const rename = parser.scope.renames.get(id);
+				let dep;
+				const harmonyNamedExports = (parser.state.harmonyNamedExports =
+					parser.state.harmonyNamedExports || new Set());
+				harmonyNamedExports.add(name);
+				if (rename === "imported var") {
+					const settings = parser.state.harmonySpecifier.get(id);
+					dep = new HarmonyExportImportedSpecifierDependency(
+						settings.source,
+						parser.state.module,
+						settings.sourceOrder,
+						parser.state.harmonyParserScope,
+						settings.id,
+						name,
+						harmonyNamedExports,
+						null,
+						this.strictExportPresence
+					);
+				} else {
+					dep = new HarmonyExportSpecifierDependency(
+						parser.state.module,
+						id,
+						name
+					);
+				}
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = idx;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportImportSpecifier.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, source, id, name, idx) => {
+				const harmonyNamedExports = (parser.state.harmonyNamedExports =
+					parser.state.harmonyNamedExports || new Set());
+				let harmonyStarExports = null;
+				if (name) {
+					harmonyNamedExports.add(name);
+				} else {
+					harmonyStarExports = parser.state.harmonyStarExports =
+						parser.state.harmonyStarExports || [];
+				}
+				const dep = new HarmonyExportImportedSpecifierDependency(
+					source,
+					parser.state.module,
+					parser.state.lastHarmonyImportOrder,
+					parser.state.harmonyParserScope,
+					id,
+					name,
+					harmonyNamedExports,
+					harmonyStarExports && harmonyStarExports.slice(),
+					this.strictExportPresence
+				);
+				if (harmonyStarExports) {
+					harmonyStarExports.push(dep);
+				}
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = idx;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyExportExpressionDependency.js b/node_modules/webpack/lib/dependencies/HarmonyExportExpressionDependency.js
new file mode 100644
index 00000000..dfb499ad
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyExportExpressionDependency.js
@@ -0,0 +1,58 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyExportExpressionDependency extends NullDependency {
+	constructor(originModule, range, rangeStatement, prefix) {
+		super();
+		this.originModule = originModule;
+		this.range = range;
+		this.rangeStatement = rangeStatement;
+		this.prefix = prefix;
+	}
+
+	get type() {
+		return "harmony export expression";
+	}
+
+	getExports() {
+		return {
+			exports: ["default"],
+			dependencies: undefined
+		};
+	}
+}
+
+HarmonyExportExpressionDependency.Template = class HarmonyExportDependencyTemplate {
+	apply(dep, source) {
+		const used = dep.originModule.isUsed("default");
+		const content = this.getContent(dep.originModule, used);
+
+		if (dep.range) {
+			source.replace(
+				dep.rangeStatement[0],
+				dep.range[0] - 1,
+				content + "(" + dep.prefix
+			);
+			source.replace(dep.range[1], dep.rangeStatement[1] - 1, ");");
+			return;
+		}
+
+		source.replace(dep.rangeStatement[0], dep.rangeStatement[1] - 1, content);
+	}
+
+	getContent(module, used) {
+		const exportsName = module.exportsArgument;
+		if (used) {
+			return `/* harmony default export */ ${exportsName}[${JSON.stringify(
+				used
+			)}] = `;
+		}
+		return "/* unused harmony default export */ var _unused_webpack_default_export = ";
+	}
+};
+
+module.exports = HarmonyExportExpressionDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyExportHeaderDependency.js b/node_modules/webpack/lib/dependencies/HarmonyExportHeaderDependency.js
new file mode 100644
index 00000000..a0e9918b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyExportHeaderDependency.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyExportHeaderDependency extends NullDependency {
+	constructor(range, rangeStatement) {
+		super();
+		this.range = range;
+		this.rangeStatement = rangeStatement;
+	}
+
+	get type() {
+		return "harmony export header";
+	}
+}
+
+HarmonyExportHeaderDependency.Template = class HarmonyExportDependencyTemplate {
+	apply(dep, source) {
+		const content = "";
+		const replaceUntil = dep.range
+			? dep.range[0] - 1
+			: dep.rangeStatement[1] - 1;
+		source.replace(dep.rangeStatement[0], replaceUntil, content);
+	}
+};
+
+module.exports = HarmonyExportHeaderDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyExportImportedSpecifierDependency.js b/node_modules/webpack/lib/dependencies/HarmonyExportImportedSpecifierDependency.js
new file mode 100644
index 00000000..bca61a04
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyExportImportedSpecifierDependency.js
@@ -0,0 +1,659 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+const Template = require("../Template");
+const HarmonyLinkingError = require("../HarmonyLinkingError");
+
+/** @typedef {import("../Module")} Module */
+
+/** @typedef {"missing"|"unused"|"empty-star"|"reexport-non-harmony-default"|"reexport-named-default"|"reexport-namespace-object"|"reexport-non-harmony-default-strict"|"reexport-fake-namespace-object"|"rexport-non-harmony-undefined"|"safe-reexport"|"checked-reexport"|"dynamic-reexport"} ExportModeType */
+
+/** @type {Map<string, string>} */
+const EMPTY_MAP = new Map();
+
+class ExportMode {
+	/**
+	 * @param {ExportModeType} type type of the mode
+	 */
+	constructor(type) {
+		/** @type {ExportModeType} */
+		this.type = type;
+		/** @type {string|null} */
+		this.name = null;
+		/** @type {Map<string, string>} */
+		this.map = EMPTY_MAP;
+		/** @type {Set<string>|null} */
+		this.ignored = null;
+		/** @type {Module|null} */
+		this.module = null;
+		/** @type {string|null} */
+		this.userRequest = null;
+	}
+}
+
+const EMPTY_STAR_MODE = new ExportMode("empty-star");
+
+class HarmonyExportImportedSpecifierDependency extends HarmonyImportDependency {
+	constructor(
+		request,
+		originModule,
+		sourceOrder,
+		parserScope,
+		id,
+		name,
+		activeExports,
+		otherStarExports,
+		strictExportPresence
+	) {
+		super(request, originModule, sourceOrder, parserScope);
+		this.id = id;
+		this.redirectedId = undefined;
+		this.name = name;
+		this.activeExports = activeExports;
+		this.otherStarExports = otherStarExports;
+		this.strictExportPresence = strictExportPresence;
+	}
+
+	get type() {
+		return "harmony export imported specifier";
+	}
+
+	get _id() {
+		return this.redirectedId || this.id;
+	}
+
+	getMode(ignoreUnused) {
+		const name = this.name;
+		const id = this._id;
+		const used = this.originModule.isUsed(name);
+		const importedModule = this._module;
+
+		if (!importedModule) {
+			const mode = new ExportMode("missing");
+			mode.userRequest = this.userRequest;
+			return mode;
+		}
+
+		if (
+			!ignoreUnused &&
+			(name ? !used : this.originModule.usedExports === false)
+		) {
+			const mode = new ExportMode("unused");
+			mode.name = name || "*";
+			return mode;
+		}
+
+		const strictHarmonyModule = this.originModule.buildMeta.strictHarmonyModule;
+		if (name && id === "default" && importedModule.buildMeta) {
+			if (!importedModule.buildMeta.exportsType) {
+				const mode = new ExportMode(
+					strictHarmonyModule
+						? "reexport-non-harmony-default-strict"
+						: "reexport-non-harmony-default"
+				);
+				mode.name = name;
+				mode.module = importedModule;
+				return mode;
+			} else if (importedModule.buildMeta.exportsType === "named") {
+				const mode = new ExportMode("reexport-named-default");
+				mode.name = name;
+				mode.module = importedModule;
+				return mode;
+			}
+		}
+
+		const isNotAHarmonyModule =
+			importedModule.buildMeta && !importedModule.buildMeta.exportsType;
+		if (name) {
+			let mode;
+			if (id) {
+				// export { name as name }
+				if (isNotAHarmonyModule && strictHarmonyModule) {
+					mode = new ExportMode("rexport-non-harmony-undefined");
+					mode.name = name;
+				} else {
+					mode = new ExportMode("safe-reexport");
+					mode.map = new Map([[name, id]]);
+				}
+			} else {
+				// export { * as name }
+				if (isNotAHarmonyModule && strictHarmonyModule) {
+					mode = new ExportMode("reexport-fake-namespace-object");
+					mode.name = name;
+				} else {
+					mode = new ExportMode("reexport-namespace-object");
+					mode.name = name;
+				}
+			}
+			mode.module = importedModule;
+			return mode;
+		}
+
+		const hasUsedExports = Array.isArray(this.originModule.usedExports);
+		const hasProvidedExports = Array.isArray(
+			importedModule.buildMeta.providedExports
+		);
+		const activeFromOtherStarExports = this._discoverActiveExportsFromOtherStartExports();
+
+		// export *
+		if (hasUsedExports) {
+			// reexport * with known used exports
+			if (hasProvidedExports) {
+				const map = new Map(
+					this.originModule.usedExports
+						.filter(id => {
+							if (id === "default") return false;
+							if (this.activeExports.has(id)) return false;
+							if (activeFromOtherStarExports.has(id)) return false;
+							if (!importedModule.buildMeta.providedExports.includes(id))
+								return false;
+							return true;
+						})
+						.map(item => [item, item])
+				);
+
+				if (map.size === 0) {
+					return EMPTY_STAR_MODE;
+				}
+
+				const mode = new ExportMode("safe-reexport");
+				mode.module = importedModule;
+				mode.map = map;
+				return mode;
+			}
+
+			const map = new Map(
+				this.originModule.usedExports
+					.filter(id => {
+						if (id === "default") return false;
+						if (this.activeExports.has(id)) return false;
+						if (activeFromOtherStarExports.has(id)) return false;
+
+						return true;
+					})
+					.map(item => [item, item])
+			);
+
+			if (map.size === 0) {
+				return EMPTY_STAR_MODE;
+			}
+
+			const mode = new ExportMode("checked-reexport");
+			mode.module = importedModule;
+			mode.map = map;
+			return mode;
+		}
+
+		if (hasProvidedExports) {
+			const map = new Map(
+				importedModule.buildMeta.providedExports
+					.filter(id => {
+						if (id === "default") return false;
+						if (this.activeExports.has(id)) return false;
+						if (activeFromOtherStarExports.has(id)) return false;
+
+						return true;
+					})
+					.map(item => [item, item])
+			);
+
+			if (map.size === 0) {
+				return EMPTY_STAR_MODE;
+			}
+
+			const mode = new ExportMode("safe-reexport");
+			mode.module = importedModule;
+			mode.map = map;
+			return mode;
+		}
+
+		const mode = new ExportMode("dynamic-reexport");
+		mode.module = importedModule;
+		mode.ignored = new Set([
+			"default",
+			...this.activeExports,
+			...activeFromOtherStarExports
+		]);
+		return mode;
+	}
+
+	getReference() {
+		const mode = this.getMode(false);
+
+		switch (mode.type) {
+			case "missing":
+			case "unused":
+			case "empty-star":
+				return null;
+
+			case "reexport-non-harmony-default":
+			case "reexport-named-default":
+				return new DependencyReference(
+					mode.module,
+					["default"],
+					false,
+					this.sourceOrder
+				);
+
+			case "reexport-namespace-object":
+			case "reexport-non-harmony-default-strict":
+			case "reexport-fake-namespace-object":
+			case "rexport-non-harmony-undefined":
+				return new DependencyReference(
+					mode.module,
+					true,
+					false,
+					this.sourceOrder
+				);
+
+			case "safe-reexport":
+			case "checked-reexport":
+				return new DependencyReference(
+					mode.module,
+					Array.from(mode.map.values()),
+					false,
+					this.sourceOrder
+				);
+
+			case "dynamic-reexport":
+				return new DependencyReference(
+					mode.module,
+					true,
+					false,
+					this.sourceOrder
+				);
+
+			default:
+				throw new Error(`Unknown mode ${mode.type}`);
+		}
+	}
+
+	_discoverActiveExportsFromOtherStartExports() {
+		if (!this.otherStarExports) return new Set();
+		const result = new Set();
+		// try to learn impossible exports from other star exports with provided exports
+		for (const otherStarExport of this.otherStarExports) {
+			const otherImportedModule = otherStarExport._module;
+			if (
+				otherImportedModule &&
+				Array.isArray(otherImportedModule.buildMeta.providedExports)
+			) {
+				for (const exportName of otherImportedModule.buildMeta
+					.providedExports) {
+					result.add(exportName);
+				}
+			}
+		}
+		return result;
+	}
+
+	getExports() {
+		if (this.name) {
+			return {
+				exports: [this.name],
+				dependencies: undefined
+			};
+		}
+
+		const importedModule = this._module;
+
+		if (!importedModule) {
+			// no imported module available
+			return {
+				exports: null,
+				dependencies: undefined
+			};
+		}
+
+		if (Array.isArray(importedModule.buildMeta.providedExports)) {
+			const activeFromOtherStarExports = this._discoverActiveExportsFromOtherStartExports();
+			return {
+				exports: importedModule.buildMeta.providedExports.filter(
+					id =>
+						id !== "default" &&
+						!activeFromOtherStarExports.has(id) &&
+						!this.activeExports.has(id)
+				),
+				dependencies: [importedModule]
+			};
+		}
+
+		if (importedModule.buildMeta.providedExports) {
+			return {
+				exports: true,
+				dependencies: undefined
+			};
+		}
+
+		return {
+			exports: null,
+			dependencies: [importedModule]
+		};
+	}
+
+	getWarnings() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return [];
+		}
+		return this._getErrors();
+	}
+
+	getErrors() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return this._getErrors();
+		}
+		return [];
+	}
+
+	_getErrors() {
+		const importedModule = this._module;
+		if (!importedModule) {
+			return;
+		}
+
+		if (!importedModule.buildMeta || !importedModule.buildMeta.exportsType) {
+			// It's not an harmony module
+			if (
+				this.originModule.buildMeta.strictHarmonyModule &&
+				this._id &&
+				this._id !== "default"
+			) {
+				// In strict harmony modules we only support the default export
+				return [
+					new HarmonyLinkingError(
+						`Can't reexport the named export '${this._id}' from non EcmaScript module (only default export is available)`
+					)
+				];
+			}
+			return;
+		}
+
+		if (!this._id) {
+			return;
+		}
+
+		if (importedModule.isProvided(this._id) !== false) {
+			// It's provided or we are not sure
+			return;
+		}
+
+		// We are sure that it's not provided
+		const idIsNotNameMessage =
+			this._id !== this.name ? ` (reexported as '${this.name}')` : "";
+		const errorMessage = `"export '${this._id}'${idIsNotNameMessage} was not found in '${this.userRequest}'`;
+		return [new HarmonyLinkingError(errorMessage)];
+	}
+
+	updateHash(hash) {
+		super.updateHash(hash);
+		const hashValue = this.getHashValue(this._module);
+		hash.update(hashValue);
+	}
+
+	getHashValue(importedModule) {
+		if (!importedModule) {
+			return "";
+		}
+
+		const stringifiedUsedExport = JSON.stringify(importedModule.usedExports);
+		const stringifiedProvidedExport = JSON.stringify(
+			importedModule.buildMeta.providedExports
+		);
+		return (
+			importedModule.used + stringifiedUsedExport + stringifiedProvidedExport
+		);
+	}
+
+	disconnect() {
+		super.disconnect();
+		this.redirectedId = undefined;
+	}
+}
+
+module.exports = HarmonyExportImportedSpecifierDependency;
+
+HarmonyExportImportedSpecifierDependency.Template = class HarmonyExportImportedSpecifierDependencyTemplate extends HarmonyImportDependency.Template {
+	harmonyInit(dep, source, runtime, dependencyTemplates) {
+		super.harmonyInit(dep, source, runtime, dependencyTemplates);
+		const content = this.getContent(dep);
+		source.insert(-1, content);
+	}
+
+	getHarmonyInitOrder(dep) {
+		if (dep.name) {
+			const used = dep.originModule.isUsed(dep.name);
+			if (!used) return NaN;
+		} else {
+			const importedModule = dep._module;
+
+			const activeFromOtherStarExports = dep._discoverActiveExportsFromOtherStartExports();
+
+			if (Array.isArray(dep.originModule.usedExports)) {
+				// we know which exports are used
+
+				const unused = dep.originModule.usedExports.every(id => {
+					if (id === "default") return true;
+					if (dep.activeExports.has(id)) return true;
+					if (importedModule.isProvided(id) === false) return true;
+					if (activeFromOtherStarExports.has(id)) return true;
+					return false;
+				});
+				if (unused) return NaN;
+			} else if (
+				dep.originModule.usedExports &&
+				importedModule &&
+				Array.isArray(importedModule.buildMeta.providedExports)
+			) {
+				// not sure which exports are used, but we know which are provided
+
+				const unused = importedModule.buildMeta.providedExports.every(id => {
+					if (id === "default") return true;
+					if (dep.activeExports.has(id)) return true;
+					if (activeFromOtherStarExports.has(id)) return true;
+					return false;
+				});
+				if (unused) return NaN;
+			}
+		}
+		return super.getHarmonyInitOrder(dep);
+	}
+
+	getContent(dep) {
+		const mode = dep.getMode(false);
+		const module = dep.originModule;
+		const importedModule = dep._module;
+		const importVar = dep.getImportVar();
+
+		switch (mode.type) {
+			case "missing":
+				return `throw new Error(${JSON.stringify(
+					`Cannot find module '${mode.userRequest}'`
+				)});\n`;
+
+			case "unused":
+				return `${Template.toNormalComment(
+					`unused harmony reexport ${mode.name}`
+				)}\n`;
+
+			case "reexport-non-harmony-default":
+				return (
+					"/* harmony reexport (default from non-harmony) */ " +
+					this.getReexportStatement(
+						module,
+						module.isUsed(mode.name),
+						importVar,
+						null
+					)
+				);
+
+			case "reexport-named-default":
+				return (
+					"/* harmony reexport (default from named exports) */ " +
+					this.getReexportStatement(
+						module,
+						module.isUsed(mode.name),
+						importVar,
+						""
+					)
+				);
+
+			case "reexport-fake-namespace-object":
+				return (
+					"/* harmony reexport (fake namespace object from non-harmony) */ " +
+					this.getReexportFakeNamespaceObjectStatement(
+						module,
+						module.isUsed(mode.name),
+						importVar
+					)
+				);
+
+			case "rexport-non-harmony-undefined":
+				return (
+					"/* harmony reexport (non default export from non-harmony) */ " +
+					this.getReexportStatement(
+						module,
+						module.isUsed(mode.name),
+						"undefined",
+						""
+					)
+				);
+
+			case "reexport-non-harmony-default-strict":
+				return (
+					"/* harmony reexport (default from non-harmony) */ " +
+					this.getReexportStatement(
+						module,
+						module.isUsed(mode.name),
+						importVar,
+						""
+					)
+				);
+
+			case "reexport-namespace-object":
+				return (
+					"/* harmony reexport (module object) */ " +
+					this.getReexportStatement(
+						module,
+						module.isUsed(mode.name),
+						importVar,
+						""
+					)
+				);
+
+			case "empty-star":
+				return "/* empty/unused harmony star reexport */";
+
+			case "safe-reexport":
+				return Array.from(mode.map.entries())
+					.map(item => {
+						return (
+							"/* harmony reexport (safe) */ " +
+							this.getReexportStatement(
+								module,
+								module.isUsed(item[0]),
+								importVar,
+								importedModule.isUsed(item[1])
+							) +
+							"\n"
+						);
+					})
+					.join("");
+
+			case "checked-reexport":
+				return Array.from(mode.map.entries())
+					.map(item => {
+						return (
+							"/* harmony reexport (checked) */ " +
+							this.getConditionalReexportStatement(
+								module,
+								item[0],
+								importVar,
+								item[1]
+							) +
+							"\n"
+						);
+					})
+					.join("");
+
+			case "dynamic-reexport": {
+				const ignoredExports = mode.ignored;
+				let content =
+					"/* harmony reexport (unknown) */ for(var __WEBPACK_IMPORT_KEY__ in " +
+					importVar +
+					") ";
+
+				// Filter out exports which are defined by other exports
+				// and filter out default export because it cannot be reexported with *
+				if (ignoredExports.size > 0) {
+					content +=
+						"if(" +
+						JSON.stringify(Array.from(ignoredExports)) +
+						".indexOf(__WEBPACK_IMPORT_KEY__) < 0) ";
+				} else {
+					content += "if(__WEBPACK_IMPORT_KEY__ !== 'default') ";
+				}
+				const exportsName = dep.originModule.exportsArgument;
+				return (
+					content +
+					`(function(key) { __webpack_require__.d(${exportsName}, key, function() { return ${importVar}[key]; }) }(__WEBPACK_IMPORT_KEY__));\n`
+				);
+			}
+
+			default:
+				throw new Error(`Unknown mode ${mode.type}`);
+		}
+	}
+
+	getReexportStatement(module, key, name, valueKey) {
+		const exportsName = module.exportsArgument;
+		const returnValue = this.getReturnValue(name, valueKey);
+		return `__webpack_require__.d(${exportsName}, ${JSON.stringify(
+			key
+		)}, function() { return ${returnValue}; });\n`;
+	}
+
+	getReexportFakeNamespaceObjectStatement(module, key, name) {
+		const exportsName = module.exportsArgument;
+		return `__webpack_require__.d(${exportsName}, ${JSON.stringify(
+			key
+		)}, function() { return __webpack_require__.t(${name}); });\n`;
+	}
+
+	getConditionalReexportStatement(module, key, name, valueKey) {
+		if (valueKey === false) {
+			return "/* unused export */\n";
+		}
+		const exportsName = module.exportsArgument;
+		const returnValue = this.getReturnValue(name, valueKey);
+		return `if(__webpack_require__.o(${name}, ${JSON.stringify(
+			valueKey
+		)})) __webpack_require__.d(${exportsName}, ${JSON.stringify(
+			key
+		)}, function() { return ${returnValue}; });\n`;
+	}
+
+	getReturnValue(name, valueKey) {
+		if (valueKey === null) {
+			return `${name}_default.a`;
+		}
+		if (valueKey === "") {
+			return name;
+		}
+		if (valueKey === false) {
+			return "/* unused export */ undefined";
+		}
+
+		return `${name}[${JSON.stringify(valueKey)}]`;
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyExportSpecifierDependency.js b/node_modules/webpack/lib/dependencies/HarmonyExportSpecifierDependency.js
new file mode 100644
index 00000000..1bf6a3fe
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyExportSpecifierDependency.js
@@ -0,0 +1,54 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyExportSpecifierDependency extends NullDependency {
+	constructor(originModule, id, name) {
+		super();
+		this.originModule = originModule;
+		this.id = id;
+		this.name = name;
+	}
+
+	get type() {
+		return "harmony export specifier";
+	}
+
+	getExports() {
+		return {
+			exports: [this.name],
+			dependencies: undefined
+		};
+	}
+}
+
+HarmonyExportSpecifierDependency.Template = class HarmonyExportSpecifierDependencyTemplate {
+	apply(dep, source) {}
+
+	getHarmonyInitOrder(dep) {
+		return 0;
+	}
+
+	harmonyInit(dep, source, runtime) {
+		const content = this.getContent(dep);
+		source.insert(-1, content);
+	}
+
+	getContent(dep) {
+		const used = dep.originModule.isUsed(dep.name);
+		if (!used) {
+			return `/* unused harmony export ${dep.name || "namespace"} */\n`;
+		}
+
+		const exportsName = dep.originModule.exportsArgument;
+
+		return `/* harmony export (binding) */ __webpack_require__.d(${exportsName}, ${JSON.stringify(
+			used
+		)}, function() { return ${dep.id}; });\n`;
+	}
+};
+
+module.exports = HarmonyExportSpecifierDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js b/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js
new file mode 100644
index 00000000..97fd9bf6
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js
@@ -0,0 +1,109 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const ModuleDependency = require("./ModuleDependency");
+const Template = require("../Template");
+
+class HarmonyImportDependency extends ModuleDependency {
+	constructor(request, originModule, sourceOrder, parserScope) {
+		super(request);
+		this.redirectedModule = undefined;
+		this.originModule = originModule;
+		this.sourceOrder = sourceOrder;
+		this.parserScope = parserScope;
+	}
+
+	get _module() {
+		return this.redirectedModule || this.module;
+	}
+
+	getReference() {
+		if (!this._module) return null;
+		return new DependencyReference(
+			this._module,
+			false,
+			this.weak,
+			this.sourceOrder
+		);
+	}
+
+	getImportVar() {
+		let importVarMap = this.parserScope.importVarMap;
+		if (!importVarMap) this.parserScope.importVarMap = importVarMap = new Map();
+		let importVar = importVarMap.get(this._module);
+		if (importVar) return importVar;
+		importVar = `${Template.toIdentifier(
+			`${this.userRequest}`
+		)}__WEBPACK_IMPORTED_MODULE_${importVarMap.size}__`;
+		importVarMap.set(this._module, importVar);
+		return importVar;
+	}
+
+	getImportStatement(update, runtime) {
+		return runtime.importStatement({
+			update,
+			module: this._module,
+			importVar: this.getImportVar(),
+			request: this.request,
+			originModule: this.originModule
+		});
+	}
+
+	updateHash(hash) {
+		super.updateHash(hash);
+		const importedModule = this._module;
+		hash.update(
+			(importedModule &&
+				(!importedModule.buildMeta || importedModule.buildMeta.exportsType)) +
+				""
+		);
+		hash.update((importedModule && importedModule.id) + "");
+	}
+
+	disconnect() {
+		super.disconnect();
+		this.redirectedModule = undefined;
+	}
+}
+
+module.exports = HarmonyImportDependency;
+
+const importEmittedMap = new WeakMap();
+
+HarmonyImportDependency.Template = class HarmonyImportDependencyTemplate {
+	apply(dep, source, runtime) {
+		// no-op
+	}
+
+	getHarmonyInitOrder(dep) {
+		return dep.sourceOrder;
+	}
+
+	static isImportEmitted(dep, source) {
+		let sourceInfo = importEmittedMap.get(source);
+		if (!sourceInfo) return false;
+		const key = dep._module || dep.request;
+		return key && sourceInfo.emittedImports.get(key);
+	}
+
+	harmonyInit(dep, source, runtime, dependencyTemplates) {
+		let sourceInfo = importEmittedMap.get(source);
+		if (!sourceInfo) {
+			importEmittedMap.set(
+				source,
+				(sourceInfo = {
+					emittedImports: new Map()
+				})
+			);
+		}
+		const key = dep._module || dep.request;
+		if (key && sourceInfo.emittedImports.get(key)) return;
+		sourceInfo.emittedImports.set(key, true);
+		const content = dep.getImportStatement(false, runtime);
+		source.insert(-1, content);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/HarmonyImportDependencyParserPlugin.js
new file mode 100644
index 00000000..7f9fcde2
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyImportDependencyParserPlugin.js
@@ -0,0 +1,222 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { SyncBailHook } = require("tapable");
+const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
+const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
+const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
+const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
+const ConstDependency = require("./ConstDependency");
+
+module.exports = class HarmonyImportDependencyParserPlugin {
+	constructor(moduleOptions) {
+		this.strictExportPresence = moduleOptions.strictExportPresence;
+		this.strictThisContextOnImports = moduleOptions.strictThisContextOnImports;
+	}
+
+	apply(parser) {
+		parser.hooks.import.tap(
+			"HarmonyImportDependencyParserPlugin",
+			(statement, source) => {
+				parser.state.lastHarmonyImportOrder =
+					(parser.state.lastHarmonyImportOrder || 0) + 1;
+				const clearDep = new ConstDependency("", statement.range);
+				clearDep.loc = statement.loc;
+				parser.state.module.addDependency(clearDep);
+				const sideEffectDep = new HarmonyImportSideEffectDependency(
+					source,
+					parser.state.module,
+					parser.state.lastHarmonyImportOrder,
+					parser.state.harmonyParserScope
+				);
+				sideEffectDep.loc = statement.loc;
+				parser.state.module.addDependency(sideEffectDep);
+				return true;
+			}
+		);
+		parser.hooks.importSpecifier.tap(
+			"HarmonyImportDependencyParserPlugin",
+			(statement, source, id, name) => {
+				parser.scope.definitions.delete(name);
+				parser.scope.renames.set(name, "imported var");
+				if (!parser.state.harmonySpecifier) {
+					parser.state.harmonySpecifier = new Map();
+				}
+				parser.state.harmonySpecifier.set(name, {
+					source,
+					id,
+					sourceOrder: parser.state.lastHarmonyImportOrder
+				});
+				return true;
+			}
+		);
+		parser.hooks.expression
+			.for("imported var")
+			.tap("HarmonyImportDependencyParserPlugin", expr => {
+				const name = expr.name;
+				const settings = parser.state.harmonySpecifier.get(name);
+				const dep = new HarmonyImportSpecifierDependency(
+					settings.source,
+					parser.state.module,
+					settings.sourceOrder,
+					parser.state.harmonyParserScope,
+					settings.id,
+					name,
+					expr.range,
+					this.strictExportPresence
+				);
+				dep.shorthand = parser.scope.inShorthand;
+				dep.directImport = true;
+				dep.loc = expr.loc;
+				parser.state.module.addDependency(dep);
+				return true;
+			});
+		parser.hooks.expressionAnyMember
+			.for("imported var")
+			.tap("HarmonyImportDependencyParserPlugin", expr => {
+				const name = expr.object.name;
+				const settings = parser.state.harmonySpecifier.get(name);
+				if (settings.id !== null) return false;
+				const dep = new HarmonyImportSpecifierDependency(
+					settings.source,
+					parser.state.module,
+					settings.sourceOrder,
+					parser.state.harmonyParserScope,
+					expr.property.name || expr.property.value,
+					name,
+					expr.range,
+					this.strictExportPresence
+				);
+				dep.shorthand = parser.scope.inShorthand;
+				dep.directImport = false;
+				dep.loc = expr.loc;
+				parser.state.module.addDependency(dep);
+				return true;
+			});
+		if (this.strictThisContextOnImports) {
+			// only in case when we strictly follow the spec we need a special case here
+			parser.hooks.callAnyMember
+				.for("imported var")
+				.tap("HarmonyImportDependencyParserPlugin", expr => {
+					if (expr.callee.type !== "MemberExpression") return;
+					if (expr.callee.object.type !== "Identifier") return;
+					const name = expr.callee.object.name;
+					const settings = parser.state.harmonySpecifier.get(name);
+					if (settings.id !== null) return false;
+					const dep = new HarmonyImportSpecifierDependency(
+						settings.source,
+						parser.state.module,
+						settings.sourceOrder,
+						parser.state.harmonyParserScope,
+						expr.callee.property.name || expr.callee.property.value,
+						name,
+						expr.callee.range,
+						this.strictExportPresence
+					);
+					dep.shorthand = parser.scope.inShorthand;
+					dep.directImport = false;
+					dep.namespaceObjectAsContext = true;
+					dep.loc = expr.callee.loc;
+					parser.state.module.addDependency(dep);
+					if (expr.arguments) parser.walkExpressions(expr.arguments);
+					return true;
+				});
+		}
+		parser.hooks.call
+			.for("imported var")
+			.tap("HarmonyImportDependencyParserPlugin", expr => {
+				const args = expr.arguments;
+				const fullExpr = expr;
+				expr = expr.callee;
+				if (expr.type !== "Identifier") return;
+				const name = expr.name;
+				const settings = parser.state.harmonySpecifier.get(name);
+				const dep = new HarmonyImportSpecifierDependency(
+					settings.source,
+					parser.state.module,
+					settings.sourceOrder,
+					parser.state.harmonyParserScope,
+					settings.id,
+					name,
+					expr.range,
+					this.strictExportPresence
+				);
+				dep.directImport = true;
+				dep.callArgs = args;
+				dep.call = fullExpr;
+				dep.loc = expr.loc;
+				parser.state.module.addDependency(dep);
+				if (args) parser.walkExpressions(args);
+				return true;
+			});
+		// TODO webpack 5: refactor this, no custom hooks
+		if (!parser.hooks.hotAcceptCallback) {
+			parser.hooks.hotAcceptCallback = new SyncBailHook([
+				"expression",
+				"requests"
+			]);
+		}
+		if (!parser.hooks.hotAcceptWithoutCallback) {
+			parser.hooks.hotAcceptWithoutCallback = new SyncBailHook([
+				"expression",
+				"requests"
+			]);
+		}
+		parser.hooks.hotAcceptCallback.tap(
+			"HarmonyImportDependencyParserPlugin",
+			(expr, requests) => {
+				const harmonyParserScope = parser.state.harmonyParserScope;
+				if (!harmonyParserScope) {
+					// This is not a harmony module, skip it
+					return;
+				}
+				const dependencies = requests.map(request => {
+					const dep = new HarmonyAcceptImportDependency(
+						request,
+						parser.state.module,
+						harmonyParserScope
+					);
+					dep.loc = expr.loc;
+					parser.state.module.addDependency(dep);
+					return dep;
+				});
+				if (dependencies.length > 0) {
+					const dep = new HarmonyAcceptDependency(
+						expr.range,
+						dependencies,
+						true
+					);
+					dep.loc = expr.loc;
+					parser.state.module.addDependency(dep);
+				}
+			}
+		);
+		parser.hooks.hotAcceptWithoutCallback.tap(
+			"HarmonyImportDependencyParserPlugin",
+			(expr, requests) => {
+				const dependencies = requests.map(request => {
+					const dep = new HarmonyAcceptImportDependency(
+						request,
+						parser.state.module,
+						parser.state.harmonyParserScope
+					);
+					dep.loc = expr.loc;
+					parser.state.module.addDependency(dep);
+					return dep;
+				});
+				if (dependencies.length > 0) {
+					const dep = new HarmonyAcceptDependency(
+						expr.range,
+						dependencies,
+						false
+					);
+					dep.loc = expr.loc;
+					parser.state.module.addDependency(dep);
+				}
+			}
+		);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportSideEffectDependency.js b/node_modules/webpack/lib/dependencies/HarmonyImportSideEffectDependency.js
new file mode 100644
index 00000000..a41c1b95
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyImportSideEffectDependency.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+
+class HarmonyImportSideEffectDependency extends HarmonyImportDependency {
+	constructor(request, originModule, sourceOrder, parserScope) {
+		super(request, originModule, sourceOrder, parserScope);
+	}
+
+	getReference() {
+		if (this._module && this._module.factoryMeta.sideEffectFree) return null;
+
+		return super.getReference();
+	}
+
+	get type() {
+		return "harmony side effect evaluation";
+	}
+}
+
+HarmonyImportSideEffectDependency.Template = class HarmonyImportSideEffectDependencyTemplate extends HarmonyImportDependency.Template {
+	getHarmonyInitOrder(dep) {
+		if (dep._module && dep._module.factoryMeta.sideEffectFree) return NaN;
+		return super.getHarmonyInitOrder(dep);
+	}
+};
+
+module.exports = HarmonyImportSideEffectDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js b/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js
new file mode 100644
index 00000000..d07fbf1c
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js
@@ -0,0 +1,163 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+const HarmonyLinkingError = require("../HarmonyLinkingError");
+
+class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
+	constructor(
+		request,
+		originModule,
+		sourceOrder,
+		parserScope,
+		id,
+		name,
+		range,
+		strictExportPresence
+	) {
+		super(request, originModule, sourceOrder, parserScope);
+		this.id = id === null ? null : `${id}`;
+		this.redirectedId = undefined;
+		this.name = name;
+		this.range = range;
+		this.strictExportPresence = strictExportPresence;
+		this.namespaceObjectAsContext = false;
+		this.callArgs = undefined;
+		this.call = undefined;
+		this.directImport = undefined;
+		this.shorthand = undefined;
+	}
+
+	get type() {
+		return "harmony import specifier";
+	}
+
+	get _id() {
+		return this.redirectedId || this.id;
+	}
+
+	getReference() {
+		if (!this._module) return null;
+		return new DependencyReference(
+			this._module,
+			this._id && !this.namespaceObjectAsContext ? [this._id] : true,
+			false,
+			this.sourceOrder
+		);
+	}
+
+	getWarnings() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return [];
+		}
+		return this._getErrors();
+	}
+
+	getErrors() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return this._getErrors();
+		}
+		return [];
+	}
+
+	_getErrors() {
+		const importedModule = this._module;
+		if (!importedModule) {
+			return;
+		}
+
+		if (!importedModule.buildMeta || !importedModule.buildMeta.exportsType) {
+			// It's not an harmony module
+			if (
+				this.originModule.buildMeta.strictHarmonyModule &&
+				this._id &&
+				this._id !== "default"
+			) {
+				// In strict harmony modules we only support the default export
+				return [
+					new HarmonyLinkingError(
+						`Can't import the named export '${this._id}' from non EcmaScript module (only default export is available)`
+					)
+				];
+			}
+			return;
+		}
+
+		if (!this._id) {
+			return;
+		}
+
+		if (importedModule.isProvided(this._id) !== false) {
+			// It's provided or we are not sure
+			return;
+		}
+
+		// We are sure that it's not provided
+		const idIsNotNameMessage =
+			this._id !== this.name ? ` (imported as '${this.name}')` : "";
+		const errorMessage = `"export '${this._id}'${idIsNotNameMessage} was not found in '${this.userRequest}'`;
+		return [new HarmonyLinkingError(errorMessage)];
+	}
+
+	// implement this method to allow the occurrence order plugin to count correctly
+	getNumberOfIdOccurrences() {
+		return 0;
+	}
+
+	updateHash(hash) {
+		super.updateHash(hash);
+		const importedModule = this._module;
+		hash.update((importedModule && this._id) + "");
+		hash.update(
+			(importedModule && this._id && importedModule.isUsed(this._id)) + ""
+		);
+		hash.update(
+			(importedModule &&
+				(!importedModule.buildMeta || importedModule.buildMeta.exportsType)) +
+				""
+		);
+		hash.update(
+			(importedModule &&
+				importedModule.used + JSON.stringify(importedModule.usedExports)) + ""
+		);
+	}
+
+	disconnect() {
+		super.disconnect();
+		this.redirectedId = undefined;
+	}
+}
+
+HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate extends HarmonyImportDependency.Template {
+	apply(dep, source, runtime) {
+		super.apply(dep, source, runtime);
+		const content = this.getContent(dep, runtime);
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+
+	getContent(dep, runtime) {
+		const exportExpr = runtime.exportFromImport({
+			module: dep._module,
+			request: dep.request,
+			exportName: dep._id,
+			originModule: dep.originModule,
+			asiSafe: dep.shorthand,
+			isCall: dep.call,
+			callContext: !dep.directImport,
+			importVar: dep.getImportVar()
+		});
+		return dep.shorthand ? `${dep.name}: ${exportExpr}` : exportExpr;
+	}
+};
+
+module.exports = HarmonyImportSpecifierDependency;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyInitDependency.js b/node_modules/webpack/lib/dependencies/HarmonyInitDependency.js
new file mode 100644
index 00000000..73239c8b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyInitDependency.js
@@ -0,0 +1,60 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const NullDependency = require("./NullDependency");
+
+class HarmonyInitDependency extends NullDependency {
+	constructor(originModule) {
+		super();
+		this.originModule = originModule;
+	}
+
+	get type() {
+		return "harmony init";
+	}
+}
+
+module.exports = HarmonyInitDependency;
+
+HarmonyInitDependency.Template = class HarmonyInitDependencyTemplate {
+	apply(dep, source, runtime, dependencyTemplates) {
+		const module = dep.originModule;
+		const list = [];
+		for (const dependency of module.dependencies) {
+			const template = dependencyTemplates.get(dependency.constructor);
+			if (
+				template &&
+				typeof template.harmonyInit === "function" &&
+				typeof template.getHarmonyInitOrder === "function"
+			) {
+				const order = template.getHarmonyInitOrder(dependency);
+				if (!isNaN(order)) {
+					list.push({
+						order,
+						listOrder: list.length,
+						dependency,
+						template
+					});
+				}
+			}
+		}
+
+		list.sort((a, b) => {
+			const x = a.order - b.order;
+			if (x) return x;
+			return a.listOrder - b.listOrder;
+		});
+
+		for (const item of list) {
+			item.template.harmonyInit(
+				item.dependency,
+				source,
+				runtime,
+				dependencyTemplates
+			);
+		}
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/HarmonyModulesPlugin.js b/node_modules/webpack/lib/dependencies/HarmonyModulesPlugin.js
new file mode 100644
index 00000000..43a8d4c0
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyModulesPlugin.js
@@ -0,0 +1,143 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const HarmonyCompatibilityDependency = require("./HarmonyCompatibilityDependency");
+const HarmonyInitDependency = require("./HarmonyInitDependency");
+const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
+const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
+const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
+const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
+const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
+const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
+const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
+const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
+
+const NullFactory = require("../NullFactory");
+
+const HarmonyDetectionParserPlugin = require("./HarmonyDetectionParserPlugin");
+const HarmonyImportDependencyParserPlugin = require("./HarmonyImportDependencyParserPlugin");
+const HarmonyExportDependencyParserPlugin = require("./HarmonyExportDependencyParserPlugin");
+const HarmonyTopLevelThisParserPlugin = require("./HarmonyTopLevelThisParserPlugin");
+
+class HarmonyModulesPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"HarmonyModulesPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					HarmonyCompatibilityDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyCompatibilityDependency,
+					new HarmonyCompatibilityDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyInitDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyInitDependency,
+					new HarmonyInitDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyImportSideEffectDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyImportSideEffectDependency,
+					new HarmonyImportSideEffectDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyImportSpecifierDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyImportSpecifierDependency,
+					new HarmonyImportSpecifierDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyExportHeaderDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyExportHeaderDependency,
+					new HarmonyExportHeaderDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyExportExpressionDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyExportExpressionDependency,
+					new HarmonyExportExpressionDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyExportSpecifierDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyExportSpecifierDependency,
+					new HarmonyExportSpecifierDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyExportImportedSpecifierDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyExportImportedSpecifierDependency,
+					new HarmonyExportImportedSpecifierDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyAcceptDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyAcceptDependency,
+					new HarmonyAcceptDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					HarmonyAcceptImportDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					HarmonyAcceptImportDependency,
+					new HarmonyAcceptImportDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.harmony !== undefined && !parserOptions.harmony)
+						return;
+
+					new HarmonyDetectionParserPlugin().apply(parser);
+					new HarmonyImportDependencyParserPlugin(this.options).apply(parser);
+					new HarmonyExportDependencyParserPlugin(this.options).apply(parser);
+					new HarmonyTopLevelThisParserPlugin().apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("HarmonyModulesPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("HarmonyModulesPlugin", handler);
+			}
+		);
+	}
+}
+module.exports = HarmonyModulesPlugin;
diff --git a/node_modules/webpack/lib/dependencies/HarmonyTopLevelThisParserPlugin.js b/node_modules/webpack/lib/dependencies/HarmonyTopLevelThisParserPlugin.js
new file mode 100644
index 00000000..f0360093
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyTopLevelThisParserPlugin.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Florent Cailhol @ooflorent
+*/
+"use strict";
+
+const ConstDependency = require("./ConstDependency");
+
+class HarmonyTopLevelThisParserPlugin {
+	apply(parser) {
+		parser.hooks.expression
+			.for("this")
+			.tap("HarmonyTopLevelThisParserPlugin", node => {
+				if (!parser.scope.topLevelScope) return;
+				const module = parser.state.module;
+				const isHarmony = !!(module.buildMeta && module.buildMeta.exportsType);
+				if (isHarmony) {
+					const dep = new ConstDependency("undefined", node.range, false);
+					dep.loc = node.loc;
+					parser.state.current.addDependency(dep);
+				}
+			});
+	}
+}
+
+module.exports = HarmonyTopLevelThisParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/ImportContextDependency.js b/node_modules/webpack/lib/dependencies/ImportContextDependency.js
new file mode 100644
index 00000000..f25a28a1
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportContextDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ContextDependency = require("./ContextDependency");
+const ContextDependencyTemplateAsRequireCall = require("./ContextDependencyTemplateAsRequireCall");
+
+class ImportContextDependency extends ContextDependency {
+	constructor(options, range, valueRange) {
+		super(options);
+		this.range = range;
+		this.valueRange = valueRange;
+	}
+
+	get type() {
+		return `import() context ${this.options.mode}`;
+	}
+}
+
+ImportContextDependency.Template = ContextDependencyTemplateAsRequireCall;
+
+module.exports = ImportContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/ImportDependenciesBlock.js b/node_modules/webpack/lib/dependencies/ImportDependenciesBlock.js
new file mode 100644
index 00000000..61e6bb27
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportDependenciesBlock.js
@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
+const ImportDependency = require("./ImportDependency");
+
+module.exports = class ImportDependenciesBlock extends AsyncDependenciesBlock {
+	// TODO webpack 5 reorganize arguments
+	constructor(request, range, groupOptions, module, loc, originModule) {
+		super(groupOptions, module, loc, request);
+		this.range = range;
+		const dep = new ImportDependency(request, originModule, this);
+		dep.loc = loc;
+		this.addDependency(dep);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/ImportDependency.js b/node_modules/webpack/lib/dependencies/ImportDependency.js
new file mode 100644
index 00000000..520bed21
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportDependency.js
@@ -0,0 +1,34 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class ImportDependency extends ModuleDependency {
+	constructor(request, originModule, block) {
+		super(request);
+		this.originModule = originModule;
+		this.block = block;
+	}
+
+	get type() {
+		return "import()";
+	}
+}
+
+ImportDependency.Template = class ImportDependencyTemplate {
+	apply(dep, source, runtime) {
+		const content = runtime.moduleNamespacePromise({
+			block: dep.block,
+			module: dep.module,
+			request: dep.request,
+			strict: dep.originModule.buildMeta.strictHarmonyModule,
+			message: "import()"
+		});
+
+		source.replace(dep.block.range[0], dep.block.range[1] - 1, content);
+	}
+};
+
+module.exports = ImportDependency;
diff --git a/node_modules/webpack/lib/dependencies/ImportEagerDependency.js b/node_modules/webpack/lib/dependencies/ImportEagerDependency.js
new file mode 100644
index 00000000..0671d5dc
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportEagerDependency.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class ImportEagerDependency extends ModuleDependency {
+	constructor(request, originModule, range) {
+		super(request);
+		this.originModule = originModule;
+		this.range = range;
+	}
+
+	get type() {
+		return "import() eager";
+	}
+}
+
+ImportEagerDependency.Template = class ImportEagerDependencyTemplate {
+	apply(dep, source, runtime) {
+		const content = runtime.moduleNamespacePromise({
+			module: dep.module,
+			request: dep.request,
+			strict: dep.originModule.buildMeta.strictHarmonyModule,
+			message: "import() eager"
+		});
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+};
+
+module.exports = ImportEagerDependency;
diff --git a/node_modules/webpack/lib/dependencies/ImportParserPlugin.js b/node_modules/webpack/lib/dependencies/ImportParserPlugin.js
new file mode 100644
index 00000000..cb751a81
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportParserPlugin.js
@@ -0,0 +1,248 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ImportContextDependency = require("./ImportContextDependency");
+const ImportWeakDependency = require("./ImportWeakDependency");
+const ImportDependenciesBlock = require("./ImportDependenciesBlock");
+const ImportEagerDependency = require("./ImportEagerDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
+const CommentCompilationWarning = require("../CommentCompilationWarning");
+
+class ImportParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(parser) {
+		parser.hooks.importCall.tap("ImportParserPlugin", expr => {
+			if (expr.arguments.length !== 1) {
+				throw new Error(
+					"Incorrect number of arguments provided to 'import(module: string) -> Promise'."
+				);
+			}
+
+			const param = parser.evaluateExpression(expr.arguments[0]);
+
+			let chunkName = null;
+			let mode = "lazy";
+			let include = null;
+			let exclude = null;
+			const groupOptions = {};
+
+			const {
+				options: importOptions,
+				errors: commentErrors
+			} = parser.parseCommentOptions(expr.range);
+
+			if (commentErrors) {
+				for (const e of commentErrors) {
+					const { comment } = e;
+					parser.state.module.warnings.push(
+						new CommentCompilationWarning(
+							`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
+							parser.state.module,
+							comment.loc
+						)
+					);
+				}
+			}
+
+			if (importOptions) {
+				if (importOptions.webpackIgnore !== undefined) {
+					if (typeof importOptions.webpackIgnore !== "boolean") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackIgnore\` expected a boolean, but received: ${importOptions.webpackIgnore}.`,
+								expr.loc
+							)
+						);
+					} else {
+						// Do not instrument `import()` if `webpackIgnore` is `true`
+						if (importOptions.webpackIgnore) {
+							return false;
+						}
+					}
+				}
+				if (importOptions.webpackChunkName !== undefined) {
+					if (typeof importOptions.webpackChunkName !== "string") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackChunkName\` expected a string, but received: ${importOptions.webpackChunkName}.`,
+								expr.loc
+							)
+						);
+					} else {
+						chunkName = importOptions.webpackChunkName;
+					}
+				}
+				if (importOptions.webpackMode !== undefined) {
+					if (typeof importOptions.webpackMode !== "string") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackMode\` expected a string, but received: ${importOptions.webpackMode}.`,
+								expr.loc
+							)
+						);
+					} else {
+						mode = importOptions.webpackMode;
+					}
+				}
+				if (importOptions.webpackPrefetch !== undefined) {
+					if (importOptions.webpackPrefetch === true) {
+						groupOptions.prefetchOrder = 0;
+					} else if (typeof importOptions.webpackPrefetch === "number") {
+						groupOptions.prefetchOrder = importOptions.webpackPrefetch;
+					} else {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackPrefetch\` expected true or a number, but received: ${importOptions.webpackPrefetch}.`,
+								expr.loc
+							)
+						);
+					}
+				}
+				if (importOptions.webpackPreload !== undefined) {
+					if (importOptions.webpackPreload === true) {
+						groupOptions.preloadOrder = 0;
+					} else if (typeof importOptions.webpackPreload === "number") {
+						groupOptions.preloadOrder = importOptions.webpackPreload;
+					} else {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackPreload\` expected true or a number, but received: ${importOptions.webpackPreload}.`,
+								expr.loc
+							)
+						);
+					}
+				}
+				if (importOptions.webpackInclude !== undefined) {
+					if (
+						!importOptions.webpackInclude ||
+						importOptions.webpackInclude.constructor.name !== "RegExp"
+					) {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackInclude\` expected a regular expression, but received: ${importOptions.webpackInclude}.`,
+								expr.loc
+							)
+						);
+					} else {
+						include = new RegExp(importOptions.webpackInclude);
+					}
+				}
+				if (importOptions.webpackExclude !== undefined) {
+					if (
+						!importOptions.webpackExclude ||
+						importOptions.webpackExclude.constructor.name !== "RegExp"
+					) {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackExclude\` expected a regular expression, but received: ${importOptions.webpackExclude}.`,
+								expr.loc
+							)
+						);
+					} else {
+						exclude = new RegExp(importOptions.webpackExclude);
+					}
+				}
+			}
+
+			if (param.isString()) {
+				if (mode !== "lazy" && mode !== "eager" && mode !== "weak") {
+					parser.state.module.warnings.push(
+						new UnsupportedFeatureWarning(
+							parser.state.module,
+							`\`webpackMode\` expected 'lazy', 'eager' or 'weak', but received: ${mode}.`,
+							expr.loc
+						)
+					);
+				}
+
+				if (mode === "eager") {
+					const dep = new ImportEagerDependency(
+						param.string,
+						parser.state.module,
+						expr.range
+					);
+					parser.state.current.addDependency(dep);
+				} else if (mode === "weak") {
+					const dep = new ImportWeakDependency(
+						param.string,
+						parser.state.module,
+						expr.range
+					);
+					parser.state.current.addDependency(dep);
+				} else {
+					const depBlock = new ImportDependenciesBlock(
+						param.string,
+						expr.range,
+						Object.assign(groupOptions, {
+							name: chunkName
+						}),
+						parser.state.module,
+						expr.loc,
+						parser.state.module
+					);
+					parser.state.current.addBlock(depBlock);
+				}
+				return true;
+			} else {
+				if (
+					mode !== "lazy" &&
+					mode !== "lazy-once" &&
+					mode !== "eager" &&
+					mode !== "weak"
+				) {
+					parser.state.module.warnings.push(
+						new UnsupportedFeatureWarning(
+							parser.state.module,
+							`\`webpackMode\` expected 'lazy', 'lazy-once', 'eager' or 'weak', but received: ${mode}.`,
+							expr.loc
+						)
+					);
+					mode = "lazy";
+				}
+
+				if (mode === "weak") {
+					mode = "async-weak";
+				}
+				const dep = ContextDependencyHelpers.create(
+					ImportContextDependency,
+					expr.range,
+					param,
+					expr,
+					this.options,
+					{
+						chunkName,
+						groupOptions,
+						include,
+						exclude,
+						mode,
+						namespaceObject: parser.state.module.buildMeta.strictHarmonyModule
+							? "strict"
+							: true
+					},
+					parser
+				);
+				if (!dep) return;
+				dep.loc = expr.loc;
+				dep.optional = !!parser.scope.inTry;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		});
+	}
+}
+
+module.exports = ImportParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/ImportPlugin.js b/node_modules/webpack/lib/dependencies/ImportPlugin.js
new file mode 100644
index 00000000..16471925
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportPlugin.js
@@ -0,0 +1,79 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ImportDependency = require("./ImportDependency");
+const ImportEagerDependency = require("./ImportEagerDependency");
+const ImportWeakDependency = require("./ImportWeakDependency");
+const ImportContextDependency = require("./ImportContextDependency");
+const ImportParserPlugin = require("./ImportParserPlugin");
+
+class ImportPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap(
+			"ImportPlugin",
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					ImportDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportDependency,
+					new ImportDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ImportEagerDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportEagerDependency,
+					new ImportEagerDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ImportWeakDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportWeakDependency,
+					new ImportWeakDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ImportContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportContextDependency,
+					new ImportContextDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.import !== undefined && !parserOptions.import)
+						return;
+
+					new ImportParserPlugin(options).apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ImportPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("ImportPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("ImportPlugin", handler);
+			}
+		);
+	}
+}
+module.exports = ImportPlugin;
diff --git a/node_modules/webpack/lib/dependencies/ImportWeakDependency.js b/node_modules/webpack/lib/dependencies/ImportWeakDependency.js
new file mode 100644
index 00000000..d4840000
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ImportWeakDependency.js
@@ -0,0 +1,34 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class ImportWeakDependency extends ModuleDependency {
+	constructor(request, originModule, range) {
+		super(request);
+		this.originModule = originModule;
+		this.range = range;
+		this.weak = true;
+	}
+
+	get type() {
+		return "import() weak";
+	}
+}
+
+ImportWeakDependency.Template = class ImportDependencyTemplate {
+	apply(dep, source, runtime) {
+		const content = runtime.moduleNamespacePromise({
+			module: dep.module,
+			request: dep.request,
+			strict: dep.originModule.buildMeta.strictHarmonyModule,
+			message: "import() weak",
+			weak: true
+		});
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+};
+
+module.exports = ImportWeakDependency;
diff --git a/node_modules/webpack/lib/dependencies/JsonExportsDependency.js b/node_modules/webpack/lib/dependencies/JsonExportsDependency.js
new file mode 100644
index 00000000..9e17bfb5
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/JsonExportsDependency.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class JsonExportsDependency extends NullDependency {
+	constructor(exports) {
+		super();
+		this.exports = exports;
+	}
+
+	get type() {
+		return "json exports";
+	}
+
+	getExports() {
+		return {
+			exports: this.exports,
+			dependencies: undefined
+		};
+	}
+}
+
+module.exports = JsonExportsDependency;
diff --git a/node_modules/webpack/lib/dependencies/LoaderDependency.js b/node_modules/webpack/lib/dependencies/LoaderDependency.js
new file mode 100644
index 00000000..9d0876bc
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/LoaderDependency.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class LoaderDependency extends ModuleDependency {
+	/**
+	 * @param {string} request request string
+	 */
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "loader";
+	}
+}
+
+module.exports = LoaderDependency;
diff --git a/node_modules/webpack/lib/dependencies/LoaderPlugin.js b/node_modules/webpack/lib/dependencies/LoaderPlugin.js
new file mode 100644
index 00000000..e46f593b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/LoaderPlugin.js
@@ -0,0 +1,115 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const LoaderDependency = require("./LoaderDependency");
+const NormalModule = require("../NormalModule");
+
+/** @typedef {import("../Module")} Module */
+
+/**
+ * @callback LoadModuleCallback
+ * @param {Error=} err error object
+ * @param {string=} source source code
+ * @param {object=} map source map
+ * @param {Module=} module loaded module if successful
+ */
+
+class LoaderPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"LoaderPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					LoaderDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.compilation.tap("LoaderPlugin", compilation => {
+			compilation.hooks.normalModuleLoader.tap(
+				"LoaderPlugin",
+				(loaderContext, module) => {
+					/**
+					 * @param {string} request the request string to load the module from
+					 * @param {LoadModuleCallback} callback callback returning the loaded module or error
+					 * @returns {void}
+					 */
+					loaderContext.loadModule = (request, callback) => {
+						const dep = new LoaderDependency(request);
+						dep.loc = {
+							name: request
+						};
+						const factory = compilation.dependencyFactories.get(
+							dep.constructor
+						);
+						if (factory === undefined) {
+							return callback(
+								new Error(
+									`No module factory available for dependency type: ${dep.constructor.name}`
+								)
+							);
+						}
+						compilation.semaphore.release();
+						compilation.addModuleDependencies(
+							module,
+							[
+								{
+									factory,
+									dependencies: [dep]
+								}
+							],
+							true,
+							"lm",
+							true,
+							err => {
+								compilation.semaphore.acquire(() => {
+									if (err) {
+										return callback(err);
+									}
+									if (!dep.module) {
+										return callback(new Error("Cannot load the module"));
+									}
+									// TODO consider removing this in webpack 5
+									if (dep.module instanceof NormalModule && dep.module.error) {
+										return callback(dep.module.error);
+									}
+									if (!dep.module._source) {
+										throw new Error(
+											"The module created for a LoaderDependency must have a property _source"
+										);
+									}
+									let source, map;
+									const moduleSource = dep.module._source;
+									if (moduleSource.sourceAndMap) {
+										const sourceAndMap = moduleSource.sourceAndMap();
+										map = sourceAndMap.map;
+										source = sourceAndMap.source;
+									} else {
+										map = moduleSource.map();
+										source = moduleSource.source();
+									}
+									if (dep.module.buildInfo.fileDependencies) {
+										for (const d of dep.module.buildInfo.fileDependencies) {
+											loaderContext.addDependency(d);
+										}
+									}
+									if (dep.module.buildInfo.contextDependencies) {
+										for (const d of dep.module.buildInfo.contextDependencies) {
+											loaderContext.addContextDependency(d);
+										}
+									}
+									return callback(null, source, map, dep.module);
+								});
+							}
+						);
+					};
+				}
+			);
+		});
+	}
+}
+module.exports = LoaderPlugin;
diff --git a/node_modules/webpack/lib/dependencies/LocalModule.js b/node_modules/webpack/lib/dependencies/LocalModule.js
new file mode 100644
index 00000000..06e5385f
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/LocalModule.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class LocalModule {
+	constructor(module, name, idx) {
+		this.module = module;
+		this.name = name;
+		this.idx = idx;
+		this.used = false;
+	}
+
+	flagUsed() {
+		this.used = true;
+	}
+
+	variableName() {
+		return "__WEBPACK_LOCAL_MODULE_" + this.idx + "__";
+	}
+}
+module.exports = LocalModule;
diff --git a/node_modules/webpack/lib/dependencies/LocalModuleDependency.js b/node_modules/webpack/lib/dependencies/LocalModuleDependency.js
new file mode 100644
index 00000000..5d1e56bb
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/LocalModuleDependency.js
@@ -0,0 +1,28 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class LocalModuleDependency extends NullDependency {
+	constructor(localModule, range, callNew) {
+		super();
+		localModule.flagUsed();
+		this.localModule = localModule;
+		this.range = range;
+		this.callNew = callNew;
+	}
+}
+
+LocalModuleDependency.Template = class LocalModuleDependencyTemplate {
+	apply(dep, source) {
+		if (!dep.range) return;
+		const moduleInstance = dep.callNew
+			? `new (function () { return ${dep.localModule.variableName()}; })()`
+			: dep.localModule.variableName();
+		source.replace(dep.range[0], dep.range[1] - 1, moduleInstance);
+	}
+};
+
+module.exports = LocalModuleDependency;
diff --git a/node_modules/webpack/lib/dependencies/LocalModulesHelpers.js b/node_modules/webpack/lib/dependencies/LocalModulesHelpers.js
new file mode 100644
index 00000000..05662270
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/LocalModulesHelpers.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const LocalModule = require("./LocalModule");
+const LocalModulesHelpers = exports;
+
+const lookup = (parent, mod) => {
+	if (mod.charAt(0) !== ".") return mod;
+
+	var path = parent.split("/");
+	var segs = mod.split("/");
+	path.pop();
+
+	for (let i = 0; i < segs.length; i++) {
+		const seg = segs[i];
+		if (seg === "..") {
+			path.pop();
+		} else if (seg !== ".") {
+			path.push(seg);
+		}
+	}
+
+	return path.join("/");
+};
+
+LocalModulesHelpers.addLocalModule = (state, name) => {
+	if (!state.localModules) {
+		state.localModules = [];
+	}
+	const m = new LocalModule(state.module, name, state.localModules.length);
+	state.localModules.push(m);
+	return m;
+};
+
+LocalModulesHelpers.getLocalModule = (state, name, namedModule) => {
+	if (!state.localModules) return null;
+	if (namedModule) {
+		// resolve dependency name relative to the defining named module
+		name = lookup(namedModule, name);
+	}
+	for (let i = 0; i < state.localModules.length; i++) {
+		if (state.localModules[i].name === name) {
+			return state.localModules[i];
+		}
+	}
+	return null;
+};
+
+module.exports = LocalModulesHelpers;
diff --git a/node_modules/webpack/lib/dependencies/ModuleDependency.js b/node_modules/webpack/lib/dependencies/ModuleDependency.js
new file mode 100644
index 00000000..f325e7a9
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ModuleDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+
+class ModuleDependency extends Dependency {
+	/**
+	 * @param {string} request request path which needs resolving
+	 */
+	constructor(request) {
+		super();
+		this.request = request;
+		this.userRequest = request;
+	}
+
+	getResourceIdentifier() {
+		return `module${this.request}`;
+	}
+}
+
+module.exports = ModuleDependency;
diff --git a/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsId.js b/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsId.js
new file mode 100644
index 00000000..82bc6b5d
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsId.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class ModuleDependencyTemplateAsId {
+	apply(dep, source, runtime) {
+		if (!dep.range) return;
+		const content = runtime.moduleId({
+			module: dep.module,
+			request: dep.request
+		});
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+}
+module.exports = ModuleDependencyTemplateAsId;
diff --git a/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsRequireId.js b/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsRequireId.js
new file mode 100644
index 00000000..db74b895
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ModuleDependencyTemplateAsRequireId.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class ModuleDependencyTemplateAsRequireId {
+	apply(dep, source, runtime) {
+		if (!dep.range) return;
+		const content = runtime.moduleExports({
+			module: dep.module,
+			request: dep.request
+		});
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+}
+module.exports = ModuleDependencyTemplateAsRequireId;
diff --git a/node_modules/webpack/lib/dependencies/ModuleHotAcceptDependency.js b/node_modules/webpack/lib/dependencies/ModuleHotAcceptDependency.js
new file mode 100644
index 00000000..403f7f1a
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ModuleHotAcceptDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const ModuleDependencyTemplateAsId = require("./ModuleDependencyTemplateAsId");
+
+class ModuleHotAcceptDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+		this.weak = true;
+	}
+
+	get type() {
+		return "module.hot.accept";
+	}
+}
+
+ModuleHotAcceptDependency.Template = ModuleDependencyTemplateAsId;
+
+module.exports = ModuleHotAcceptDependency;
diff --git a/node_modules/webpack/lib/dependencies/ModuleHotDeclineDependency.js b/node_modules/webpack/lib/dependencies/ModuleHotDeclineDependency.js
new file mode 100644
index 00000000..49bf0af9
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/ModuleHotDeclineDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const ModuleDependencyTemplateAsId = require("./ModuleDependencyTemplateAsId");
+
+class ModuleHotDeclineDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+		this.weak = true;
+	}
+
+	get type() {
+		return "module.hot.decline";
+	}
+}
+
+ModuleHotDeclineDependency.Template = ModuleDependencyTemplateAsId;
+
+module.exports = ModuleHotDeclineDependency;
diff --git a/node_modules/webpack/lib/dependencies/MultiEntryDependency.js b/node_modules/webpack/lib/dependencies/MultiEntryDependency.js
new file mode 100644
index 00000000..712d3ff1
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/MultiEntryDependency.js
@@ -0,0 +1,25 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+/** @typedef {import("./SingleEntryDependency")} SingleEntryDependency */
+const Dependency = require("../Dependency");
+
+class MultiEntryDependency extends Dependency {
+	/**
+	 * @param {SingleEntryDependency[]} dependencies an array of SingleEntryDependencies
+	 * @param {string} name entry name
+	 */
+	constructor(dependencies, name) {
+		super();
+		this.dependencies = dependencies;
+		this.name = name;
+	}
+
+	get type() {
+		return "multi entry";
+	}
+}
+
+module.exports = MultiEntryDependency;
diff --git a/node_modules/webpack/lib/dependencies/NullDependency.js b/node_modules/webpack/lib/dependencies/NullDependency.js
new file mode 100644
index 00000000..585f5fc0
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/NullDependency.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+
+class NullDependency extends Dependency {
+	get type() {
+		return "null";
+	}
+
+	updateHash() {}
+}
+
+NullDependency.Template = class NullDependencyTemplate {
+	apply() {}
+};
+
+module.exports = NullDependency;
diff --git a/node_modules/webpack/lib/dependencies/PrefetchDependency.js b/node_modules/webpack/lib/dependencies/PrefetchDependency.js
new file mode 100644
index 00000000..7107d83c
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/PrefetchDependency.js
@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class PrefetchDependency extends ModuleDependency {
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "prefetch";
+	}
+}
+
+module.exports = PrefetchDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireContextDependency.js b/node_modules/webpack/lib/dependencies/RequireContextDependency.js
new file mode 100644
index 00000000..fd2e728f
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireContextDependency.js
@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ContextDependency = require("./ContextDependency");
+const ModuleDependencyTemplateAsRequireId = require("./ModuleDependencyTemplateAsRequireId");
+
+class RequireContextDependency extends ContextDependency {
+	constructor(options, range) {
+		super(options);
+		this.range = range;
+	}
+
+	get type() {
+		return "require.context";
+	}
+}
+
+RequireContextDependency.Template = ModuleDependencyTemplateAsRequireId;
+
+module.exports = RequireContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireContextDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireContextDependencyParserPlugin.js
new file mode 100644
index 00000000..1071fc01
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireContextDependencyParserPlugin.js
@@ -0,0 +1,56 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireContextDependency = require("./RequireContextDependency");
+
+module.exports = class RequireContextDependencyParserPlugin {
+	apply(parser) {
+		parser.hooks.call
+			.for("require.context")
+			.tap("RequireContextDependencyParserPlugin", expr => {
+				let regExp = /^\.\/.*$/;
+				let recursive = true;
+				let mode = "sync";
+				switch (expr.arguments.length) {
+					case 4: {
+						const modeExpr = parser.evaluateExpression(expr.arguments[3]);
+						if (!modeExpr.isString()) return;
+						mode = modeExpr.string;
+					}
+					// falls through
+					case 3: {
+						const regExpExpr = parser.evaluateExpression(expr.arguments[2]);
+						if (!regExpExpr.isRegExp()) return;
+						regExp = regExpExpr.regExp;
+					}
+					// falls through
+					case 2: {
+						const recursiveExpr = parser.evaluateExpression(expr.arguments[1]);
+						if (!recursiveExpr.isBoolean()) return;
+						recursive = recursiveExpr.bool;
+					}
+					// falls through
+					case 1: {
+						const requestExpr = parser.evaluateExpression(expr.arguments[0]);
+						if (!requestExpr.isString()) return;
+						const dep = new RequireContextDependency(
+							{
+								request: requestExpr.string,
+								recursive,
+								regExp,
+								mode
+							},
+							expr.range
+						);
+						dep.loc = expr.loc;
+						dep.optional = parser.scope.inTry;
+						parser.state.current.addDependency(dep);
+						return true;
+					}
+				}
+			});
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/RequireContextPlugin.js b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js
new file mode 100644
index 00000000..4e44e871
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js
@@ -0,0 +1,143 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireContextDependency = require("./RequireContextDependency");
+const ContextElementDependency = require("./ContextElementDependency");
+
+const RequireContextDependencyParserPlugin = require("./RequireContextDependencyParserPlugin");
+
+class RequireContextPlugin {
+	constructor(modulesDirectories, extensions, mainFiles) {
+		if (!Array.isArray(modulesDirectories)) {
+			throw new Error("modulesDirectories must be an array");
+		}
+		if (!Array.isArray(extensions)) {
+			throw new Error("extensions must be an array");
+		}
+		this.modulesDirectories = modulesDirectories;
+		this.extensions = extensions;
+		this.mainFiles = mainFiles;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"RequireContextPlugin",
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					RequireContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					RequireContextDependency,
+					new RequireContextDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					ContextElementDependency,
+					normalModuleFactory
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (
+						parserOptions.requireContext !== undefined &&
+						!parserOptions.requireContext
+					)
+						return;
+
+					new RequireContextDependencyParserPlugin().apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("RequireContextPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("RequireContextPlugin", handler);
+
+				contextModuleFactory.hooks.alternatives.tap(
+					"RequireContextPlugin",
+					items => {
+						if (items.length === 0) return items;
+						return items
+							.map(obj => {
+								return this.extensions
+									.filter(ext => {
+										const l = obj.request.length;
+										return (
+											l > ext.length &&
+											obj.request.substr(l - ext.length, l) === ext
+										);
+									})
+									.map(ext => {
+										const l = obj.request.length;
+										return {
+											context: obj.context,
+											request: obj.request.substr(0, l - ext.length)
+										};
+									})
+									.concat(obj);
+							})
+							.reduce((a, b) => a.concat(b), []);
+					}
+				);
+
+				contextModuleFactory.hooks.alternatives.tap(
+					"RequireContextPlugin",
+					items => {
+						if (items.length === 0) return items;
+						return items
+							.map(obj => {
+								return this.mainFiles
+									.filter(mainFile => {
+										const l = obj.request.length;
+										return (
+											l > mainFile.length + 1 &&
+											obj.request.substr(l - mainFile.length - 1, l) ===
+												"/" + mainFile
+										);
+									})
+									.map(mainFile => {
+										const l = obj.request.length;
+										return [
+											{
+												context: obj.context,
+												request: obj.request.substr(0, l - mainFile.length)
+											},
+											{
+												context: obj.context,
+												request: obj.request.substr(0, l - mainFile.length - 1)
+											}
+										];
+									})
+									.reduce((a, b) => a.concat(b), [])
+									.concat(obj);
+							})
+							.reduce((a, b) => a.concat(b), []);
+					}
+				);
+
+				contextModuleFactory.hooks.alternatives.tap(
+					"RequireContextPlugin",
+					items => {
+						if (items.length === 0) return items;
+						return items.map(obj => {
+							for (let i = 0; i < this.modulesDirectories.length; i++) {
+								const dir = this.modulesDirectories[i];
+								const idx = obj.request.indexOf("./" + dir + "/");
+								if (idx === 0) {
+									obj.request = obj.request.slice(dir.length + 3);
+									break;
+								}
+							}
+							return obj;
+						});
+					}
+				);
+			}
+		);
+	}
+}
+module.exports = RequireContextPlugin;
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlock.js b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlock.js
new file mode 100644
index 00000000..2a5dde70
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlock.js
@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
+const RequireEnsureDependency = require("./RequireEnsureDependency");
+
+module.exports = class RequireEnsureDependenciesBlock extends AsyncDependenciesBlock {
+	constructor(
+		expr,
+		successExpression,
+		errorExpression,
+		chunkName,
+		chunkNameRange,
+		module,
+		loc
+	) {
+		super(chunkName, module, loc, null);
+		this.expr = expr;
+		const successBodyRange =
+			successExpression &&
+			successExpression.body &&
+			successExpression.body.range;
+		if (successBodyRange) {
+			this.range = [successBodyRange[0] + 1, successBodyRange[1] - 1];
+		}
+		this.chunkNameRange = chunkNameRange;
+		const dep = new RequireEnsureDependency(this);
+		dep.loc = loc;
+		this.addDependency(dep);
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js
new file mode 100644
index 00000000..213eaac0
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js
@@ -0,0 +1,116 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireEnsureDependenciesBlock = require("./RequireEnsureDependenciesBlock");
+const RequireEnsureItemDependency = require("./RequireEnsureItemDependency");
+const getFunctionExpression = require("./getFunctionExpression");
+
+module.exports = class RequireEnsureDependenciesBlockParserPlugin {
+	apply(parser) {
+		parser.hooks.call
+			.for("require.ensure")
+			.tap("RequireEnsureDependenciesBlockParserPlugin", expr => {
+				let chunkName = null;
+				let chunkNameRange = null;
+				let errorExpressionArg = null;
+				let errorExpression = null;
+				switch (expr.arguments.length) {
+					case 4: {
+						const chunkNameExpr = parser.evaluateExpression(expr.arguments[3]);
+						if (!chunkNameExpr.isString()) return;
+						chunkNameRange = chunkNameExpr.range;
+						chunkName = chunkNameExpr.string;
+					}
+					// falls through
+					case 3: {
+						errorExpressionArg = expr.arguments[2];
+						errorExpression = getFunctionExpression(errorExpressionArg);
+
+						if (!errorExpression && !chunkName) {
+							const chunkNameExpr = parser.evaluateExpression(
+								expr.arguments[2]
+							);
+							if (!chunkNameExpr.isString()) return;
+							chunkNameRange = chunkNameExpr.range;
+							chunkName = chunkNameExpr.string;
+						}
+					}
+					// falls through
+					case 2: {
+						const dependenciesExpr = parser.evaluateExpression(
+							expr.arguments[0]
+						);
+						const dependenciesItems = dependenciesExpr.isArray()
+							? dependenciesExpr.items
+							: [dependenciesExpr];
+						const successExpressionArg = expr.arguments[1];
+						const successExpression = getFunctionExpression(
+							successExpressionArg
+						);
+
+						if (successExpression) {
+							parser.walkExpressions(successExpression.expressions);
+						}
+						if (errorExpression) {
+							parser.walkExpressions(errorExpression.expressions);
+						}
+
+						const dep = new RequireEnsureDependenciesBlock(
+							expr,
+							successExpression ? successExpression.fn : successExpressionArg,
+							errorExpression ? errorExpression.fn : errorExpressionArg,
+							chunkName,
+							chunkNameRange,
+							parser.state.module,
+							expr.loc
+						);
+						const old = parser.state.current;
+						parser.state.current = dep;
+						try {
+							let failed = false;
+							parser.inScope([], () => {
+								for (const ee of dependenciesItems) {
+									if (ee.isString()) {
+										const edep = new RequireEnsureItemDependency(ee.string);
+										edep.loc = dep.loc;
+										dep.addDependency(edep);
+									} else {
+										failed = true;
+									}
+								}
+							});
+							if (failed) {
+								return;
+							}
+							if (successExpression) {
+								if (successExpression.fn.body.type === "BlockStatement") {
+									parser.walkStatement(successExpression.fn.body);
+								} else {
+									parser.walkExpression(successExpression.fn.body);
+								}
+							}
+							old.addBlock(dep);
+						} finally {
+							parser.state.current = old;
+						}
+						if (!successExpression) {
+							parser.walkExpression(successExpressionArg);
+						}
+						if (errorExpression) {
+							if (errorExpression.fn.body.type === "BlockStatement") {
+								parser.walkStatement(errorExpression.fn.body);
+							} else {
+								parser.walkExpression(errorExpression.fn.body);
+							}
+						} else if (errorExpressionArg) {
+							parser.walkExpression(errorExpressionArg);
+						}
+						return true;
+					}
+				}
+			});
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsureDependency.js b/node_modules/webpack/lib/dependencies/RequireEnsureDependency.js
new file mode 100644
index 00000000..84013051
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireEnsureDependency.js
@@ -0,0 +1,58 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class RequireEnsureDependency extends NullDependency {
+	constructor(block) {
+		super();
+		this.block = block;
+	}
+
+	get type() {
+		return "require.ensure";
+	}
+}
+
+RequireEnsureDependency.Template = class RequireEnsureDependencyTemplate {
+	apply(dep, source, runtime) {
+		const depBlock = dep.block;
+		const promise = runtime.blockPromise({
+			block: depBlock,
+			message: "require.ensure"
+		});
+		const errorCallbackExists =
+			depBlock.expr.arguments.length === 4 ||
+			(!depBlock.chunkName && depBlock.expr.arguments.length === 3);
+		const startBlock = `${promise}.then((`;
+		const middleBlock = ").bind(null, __webpack_require__)).catch(";
+		const endBlock = `).bind(null, __webpack_require__)).catch(${runtime.onError()})`;
+		source.replace(
+			depBlock.expr.range[0],
+			depBlock.expr.arguments[1].range[0] - 1,
+			startBlock
+		);
+		if (errorCallbackExists) {
+			source.replace(
+				depBlock.expr.arguments[1].range[1],
+				depBlock.expr.arguments[2].range[0] - 1,
+				middleBlock
+			);
+			source.replace(
+				depBlock.expr.arguments[2].range[1],
+				depBlock.expr.range[1] - 1,
+				")"
+			);
+		} else {
+			source.replace(
+				depBlock.expr.arguments[1].range[1],
+				depBlock.expr.range[1] - 1,
+				endBlock
+			);
+		}
+	}
+};
+
+module.exports = RequireEnsureDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsureItemDependency.js b/node_modules/webpack/lib/dependencies/RequireEnsureItemDependency.js
new file mode 100644
index 00000000..b4b620bf
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireEnsureItemDependency.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const NullDependency = require("./NullDependency");
+
+class RequireEnsureItemDependency extends ModuleDependency {
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "require.ensure item";
+	}
+}
+
+RequireEnsureItemDependency.Template = NullDependency.Template;
+
+module.exports = RequireEnsureItemDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsurePlugin.js b/node_modules/webpack/lib/dependencies/RequireEnsurePlugin.js
new file mode 100644
index 00000000..c818e91b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireEnsurePlugin.js
@@ -0,0 +1,74 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireEnsureItemDependency = require("./RequireEnsureItemDependency");
+const RequireEnsureDependency = require("./RequireEnsureDependency");
+
+const NullFactory = require("../NullFactory");
+
+const RequireEnsureDependenciesBlockParserPlugin = require("./RequireEnsureDependenciesBlockParserPlugin");
+
+const ParserHelpers = require("../ParserHelpers");
+
+class RequireEnsurePlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"RequireEnsurePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					RequireEnsureItemDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					RequireEnsureItemDependency,
+					new RequireEnsureItemDependency.Template()
+				);
+
+				compilation.dependencyFactories.set(
+					RequireEnsureDependency,
+					new NullFactory()
+				);
+				compilation.dependencyTemplates.set(
+					RequireEnsureDependency,
+					new RequireEnsureDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (
+						parserOptions.requireEnsure !== undefined &&
+						!parserOptions.requireEnsure
+					)
+						return;
+
+					new RequireEnsureDependenciesBlockParserPlugin().apply(parser);
+					parser.hooks.evaluateTypeof
+						.for("require.ensure")
+						.tap(
+							"RequireEnsurePlugin",
+							ParserHelpers.evaluateToString("function")
+						);
+					parser.hooks.typeof
+						.for("require.ensure")
+						.tap(
+							"RequireEnsurePlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("function")
+							)
+						);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("RequireEnsurePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("RequireEnsurePlugin", handler);
+			}
+		);
+	}
+}
+module.exports = RequireEnsurePlugin;
diff --git a/node_modules/webpack/lib/dependencies/RequireHeaderDependency.js b/node_modules/webpack/lib/dependencies/RequireHeaderDependency.js
new file mode 100644
index 00000000..6dddd062
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireHeaderDependency.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class RequireHeaderDependency extends NullDependency {
+	constructor(range) {
+		super();
+		if (!Array.isArray(range)) throw new Error("range must be valid");
+		this.range = range;
+	}
+}
+
+RequireHeaderDependency.Template = class RequireHeaderDependencyTemplate {
+	apply(dep, source) {
+		source.replace(dep.range[0], dep.range[1] - 1, "__webpack_require__");
+	}
+
+	applyAsTemplateArgument(name, dep, source) {
+		source.replace(dep.range[0], dep.range[1] - 1, "require");
+	}
+};
+
+module.exports = RequireHeaderDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireIncludeDependency.js b/node_modules/webpack/lib/dependencies/RequireIncludeDependency.js
new file mode 100644
index 00000000..9eca5762
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireIncludeDependency.js
@@ -0,0 +1,39 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const ModuleDependency = require("./ModuleDependency");
+const Template = require("../Template");
+
+class RequireIncludeDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+	}
+
+	getReference() {
+		if (!this.module) return null;
+		// This doesn't use any export
+		return new DependencyReference(this.module, [], false);
+	}
+
+	get type() {
+		return "require.include";
+	}
+}
+
+RequireIncludeDependency.Template = class RequireIncludeDependencyTemplate {
+	apply(dep, source, runtime) {
+		const comment = runtime.outputOptions.pathinfo
+			? Template.toComment(
+					`require.include ${runtime.requestShortener.shorten(dep.request)}`
+			  )
+			: "";
+		source.replace(dep.range[0], dep.range[1] - 1, `undefined${comment}`);
+	}
+};
+
+module.exports = RequireIncludeDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireIncludeDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireIncludeDependencyParserPlugin.js
new file mode 100644
index 00000000..117e2045
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireIncludeDependencyParserPlugin.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireIncludeDependency = require("./RequireIncludeDependency");
+
+module.exports = class RequireIncludeDependencyParserPlugin {
+	apply(parser) {
+		parser.hooks.call
+			.for("require.include")
+			.tap("RequireIncludeDependencyParserPlugin", expr => {
+				if (expr.arguments.length !== 1) return;
+				const param = parser.evaluateExpression(expr.arguments[0]);
+				if (!param.isString()) return;
+				const dep = new RequireIncludeDependency(param.string, expr.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				return true;
+			});
+	}
+};
diff --git a/node_modules/webpack/lib/dependencies/RequireIncludePlugin.js b/node_modules/webpack/lib/dependencies/RequireIncludePlugin.js
new file mode 100644
index 00000000..e7d535bc
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireIncludePlugin.js
@@ -0,0 +1,61 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireIncludeDependency = require("./RequireIncludeDependency");
+const RequireIncludeDependencyParserPlugin = require("./RequireIncludeDependencyParserPlugin");
+
+const ParserHelpers = require("../ParserHelpers");
+
+class RequireIncludePlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"RequireIncludePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					RequireIncludeDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					RequireIncludeDependency,
+					new RequireIncludeDependency.Template()
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (
+						parserOptions.requireInclude !== undefined &&
+						!parserOptions.requireInclude
+					)
+						return;
+
+					new RequireIncludeDependencyParserPlugin().apply(parser);
+					parser.hooks.evaluateTypeof
+						.for("require.include")
+						.tap(
+							"RequireIncludePlugin",
+							ParserHelpers.evaluateToString("function")
+						);
+					parser.hooks.typeof
+						.for("require.include")
+						.tap(
+							"RequireIncludePlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("function")
+							)
+						);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("RequireIncludePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("RequireIncludePlugin", handler);
+			}
+		);
+	}
+}
+module.exports = RequireIncludePlugin;
diff --git a/node_modules/webpack/lib/dependencies/RequireResolveContextDependency.js b/node_modules/webpack/lib/dependencies/RequireResolveContextDependency.js
new file mode 100644
index 00000000..cc40451c
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireResolveContextDependency.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ContextDependency = require("./ContextDependency");
+const ContextDependencyTemplateAsId = require("./ContextDependencyTemplateAsId");
+
+class RequireResolveContextDependency extends ContextDependency {
+	constructor(options, range, valueRange) {
+		super(options);
+		this.range = range;
+		this.valueRange = valueRange;
+	}
+
+	get type() {
+		return "amd require context";
+	}
+}
+
+RequireResolveContextDependency.Template = ContextDependencyTemplateAsId;
+
+module.exports = RequireResolveContextDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireResolveDependency.js b/node_modules/webpack/lib/dependencies/RequireResolveDependency.js
new file mode 100644
index 00000000..3933baa4
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireResolveDependency.js
@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const ModuleDependencyAsId = require("./ModuleDependencyTemplateAsId");
+
+class RequireResolveDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+	}
+
+	get type() {
+		return "require.resolve";
+	}
+}
+
+RequireResolveDependency.Template = ModuleDependencyAsId;
+
+module.exports = RequireResolveDependency;
diff --git a/node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js
new file mode 100644
index 00000000..0d356cf5
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js
@@ -0,0 +1,86 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireResolveDependency = require("./RequireResolveDependency");
+const RequireResolveContextDependency = require("./RequireResolveContextDependency");
+const RequireResolveHeaderDependency = require("./RequireResolveHeaderDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+
+class RequireResolveDependencyParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(parser) {
+		const options = this.options;
+
+		const process = (expr, weak) => {
+			if (expr.arguments.length !== 1) return;
+			const param = parser.evaluateExpression(expr.arguments[0]);
+			if (param.isConditional()) {
+				for (const option of param.options) {
+					const result = processItem(expr, option, weak);
+					if (result === undefined) {
+						processContext(expr, option, weak);
+					}
+				}
+				const dep = new RequireResolveHeaderDependency(expr.callee.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				return true;
+			} else {
+				const result = processItem(expr, param, weak);
+				if (result === undefined) {
+					processContext(expr, param, weak);
+				}
+				const dep = new RequireResolveHeaderDependency(expr.callee.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		};
+		const processItem = (expr, param, weak) => {
+			if (param.isString()) {
+				const dep = new RequireResolveDependency(param.string, param.range);
+				dep.loc = expr.loc;
+				dep.optional = !!parser.scope.inTry;
+				dep.weak = weak;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		};
+		const processContext = (expr, param, weak) => {
+			const dep = ContextDependencyHelpers.create(
+				RequireResolveContextDependency,
+				param.range,
+				param,
+				expr,
+				options,
+				{
+					mode: weak ? "weak" : "sync"
+				},
+				parser
+			);
+			if (!dep) return;
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		};
+
+		parser.hooks.call
+			.for("require.resolve")
+			.tap("RequireResolveDependencyParserPlugin", expr => {
+				return process(expr, false);
+			});
+		parser.hooks.call
+			.for("require.resolveWeak")
+			.tap("RequireResolveDependencyParserPlugin", expr => {
+				return process(expr, true);
+			});
+	}
+}
+module.exports = RequireResolveDependencyParserPlugin;
diff --git a/node_modules/webpack/lib/dependencies/RequireResolveHeaderDependency.js b/node_modules/webpack/lib/dependencies/RequireResolveHeaderDependency.js
new file mode 100644
index 00000000..05fe86d6
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/RequireResolveHeaderDependency.js
@@ -0,0 +1,26 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class RequireResolveHeaderDependency extends NullDependency {
+	constructor(range) {
+		super();
+		if (!Array.isArray(range)) throw new Error("range must be valid");
+		this.range = range;
+	}
+}
+
+RequireResolveHeaderDependency.Template = class RequireResolveHeaderDependencyTemplate {
+	apply(dep, source) {
+		source.replace(dep.range[0], dep.range[1] - 1, "/*require.resolve*/");
+	}
+
+	applyAsTemplateArgument(name, dep, source) {
+		source.replace(dep.range[0], dep.range[1] - 1, "/*require.resolve*/");
+	}
+};
+
+module.exports = RequireResolveHeaderDependency;
diff --git a/node_modules/webpack/lib/dependencies/SingleEntryDependency.js b/node_modules/webpack/lib/dependencies/SingleEntryDependency.js
new file mode 100644
index 00000000..75a8c080
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/SingleEntryDependency.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class SingleEntryDependency extends ModuleDependency {
+	/**
+	 * @param {string} request request path for entry
+	 */
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "single entry";
+	}
+}
+
+module.exports = SingleEntryDependency;
diff --git a/node_modules/webpack/lib/dependencies/SystemPlugin.js b/node_modules/webpack/lib/dependencies/SystemPlugin.js
new file mode 100644
index 00000000..0e3419b5
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/SystemPlugin.js
@@ -0,0 +1,122 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ParserHelpers = require("../ParserHelpers");
+const WebpackError = require("../WebpackError");
+
+class SystemPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"SystemPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.system !== undefined && !parserOptions.system)
+						return;
+
+					const shouldWarn = parserOptions.system === undefined;
+
+					const setNotSupported = name => {
+						parser.hooks.evaluateTypeof
+							.for(name)
+							.tap("SystemPlugin", ParserHelpers.evaluateToString("undefined"));
+						parser.hooks.expression
+							.for(name)
+							.tap(
+								"SystemPlugin",
+								ParserHelpers.expressionIsUnsupported(
+									parser,
+									name + " is not supported by webpack."
+								)
+							);
+					};
+
+					parser.hooks.typeof
+						.for("System.import")
+						.tap(
+							"SystemPlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("function")
+							)
+						);
+					parser.hooks.evaluateTypeof
+						.for("System.import")
+						.tap("SystemPlugin", ParserHelpers.evaluateToString("function"));
+					parser.hooks.typeof
+						.for("System")
+						.tap(
+							"SystemPlugin",
+							ParserHelpers.toConstantDependency(
+								parser,
+								JSON.stringify("object")
+							)
+						);
+					parser.hooks.evaluateTypeof
+						.for("System")
+						.tap("SystemPlugin", ParserHelpers.evaluateToString("object"));
+
+					setNotSupported("System.set");
+					setNotSupported("System.get");
+					setNotSupported("System.register");
+
+					parser.hooks.expression.for("System").tap("SystemPlugin", () => {
+						const systemPolyfillRequire = ParserHelpers.requireFileAsExpression(
+							parser.state.module.context,
+							require.resolve("../../buildin/system")
+						);
+						return ParserHelpers.addParsedVariableToModule(
+							parser,
+							"System",
+							systemPolyfillRequire
+						);
+					});
+
+					parser.hooks.call.for("System.import").tap("SystemPlugin", expr => {
+						if (shouldWarn) {
+							parser.state.module.warnings.push(
+								new SystemImportDeprecationWarning(
+									parser.state.module,
+									expr.loc
+								)
+							);
+						}
+
+						return parser.hooks.importCall.call(expr);
+					});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("SystemPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("SystemPlugin", handler);
+			}
+		);
+	}
+}
+
+class SystemImportDeprecationWarning extends WebpackError {
+	constructor(module, loc) {
+		super(
+			"System.import() is deprecated and will be removed soon. Use import() instead.\n" +
+				"For more info visit https://webpack.js.org/guides/code-splitting/"
+		);
+
+		this.name = "SystemImportDeprecationWarning";
+
+		this.module = module;
+		this.loc = loc;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+}
+
+module.exports = SystemPlugin;
diff --git a/node_modules/webpack/lib/dependencies/UnsupportedDependency.js b/node_modules/webpack/lib/dependencies/UnsupportedDependency.js
new file mode 100644
index 00000000..614af783
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/UnsupportedDependency.js
@@ -0,0 +1,27 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+const webpackMissingModule = require("./WebpackMissingModule").module;
+
+class UnsupportedDependency extends NullDependency {
+	constructor(request, range) {
+		super();
+		this.request = request;
+		this.range = range;
+	}
+}
+
+UnsupportedDependency.Template = class UnsupportedDependencyTemplate {
+	apply(dep, source, runtime) {
+		source.replace(
+			dep.range[0],
+			dep.range[1],
+			webpackMissingModule(dep.request)
+		);
+	}
+};
+
+module.exports = UnsupportedDependency;
diff --git a/node_modules/webpack/lib/dependencies/WebAssemblyExportImportedDependency.js b/node_modules/webpack/lib/dependencies/WebAssemblyExportImportedDependency.js
new file mode 100644
index 00000000..9fa55f2b
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/WebAssemblyExportImportedDependency.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const ModuleDependency = require("./ModuleDependency");
+
+class WebAssemblyExportImportedDependency extends ModuleDependency {
+	constructor(exportName, request, name, valueType) {
+		super(request);
+		/** @type {string} */
+		this.exportName = exportName;
+		/** @type {string} */
+		this.name = name;
+		/** @type {string} */
+		this.valueType = valueType;
+	}
+
+	getReference() {
+		if (!this.module) return null;
+		return new DependencyReference(this.module, [this.name], false);
+	}
+
+	get type() {
+		return "wasm export import";
+	}
+}
+
+module.exports = WebAssemblyExportImportedDependency;
diff --git a/node_modules/webpack/lib/dependencies/WebAssemblyImportDependency.js b/node_modules/webpack/lib/dependencies/WebAssemblyImportDependency.js
new file mode 100644
index 00000000..4b36faa9
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/WebAssemblyImportDependency.js
@@ -0,0 +1,54 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const ModuleDependency = require("./ModuleDependency");
+const UnsupportedWebAssemblyFeatureError = require("../wasm/UnsupportedWebAssemblyFeatureError");
+
+/** @typedef {import("@webassemblyjs/ast").ModuleImportDescription} ModuleImportDescription */
+
+class WebAssemblyImportDependency extends ModuleDependency {
+	/**
+	 * @param {string} request the request
+	 * @param {string} name the imported name
+	 * @param {ModuleImportDescription} description the WASM ast node
+	 * @param {false | string} onlyDirectImport if only direct imports are allowed
+	 */
+	constructor(request, name, description, onlyDirectImport) {
+		super(request);
+		/** @type {string} */
+		this.name = name;
+		/** @type {ModuleImportDescription} */
+		this.description = description;
+		/** @type {false | string} */
+		this.onlyDirectImport = onlyDirectImport;
+	}
+
+	getReference() {
+		if (!this.module) return null;
+		return new DependencyReference(this.module, [this.name], false);
+	}
+
+	getErrors() {
+		if (
+			this.onlyDirectImport &&
+			this.module &&
+			!this.module.type.startsWith("webassembly")
+		) {
+			return [
+				new UnsupportedWebAssemblyFeatureError(
+					`Import "${this.name}" from "${this.request}" with ${this.onlyDirectImport} can only be used for direct wasm to wasm dependencies`
+				)
+			];
+		}
+	}
+
+	get type() {
+		return "wasm import";
+	}
+}
+
+module.exports = WebAssemblyImportDependency;
diff --git a/node_modules/webpack/lib/dependencies/WebpackMissingModule.js b/node_modules/webpack/lib/dependencies/WebpackMissingModule.js
new file mode 100644
index 00000000..a55c9ec0
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/WebpackMissingModule.js
@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const toErrorCode = err =>
+	`var e = new Error(${JSON.stringify(err)}); e.code = 'MODULE_NOT_FOUND';`;
+
+exports.module = request =>
+	`!(function webpackMissingModule() { ${exports.moduleCode(request)} }())`;
+
+exports.promise = request => {
+	const errorCode = toErrorCode(`Cannot find module '${request}'`);
+	return `Promise.reject(function webpackMissingModule() { ${errorCode} return e; }())`;
+};
+
+exports.moduleCode = request => {
+	const errorCode = toErrorCode(`Cannot find module '${request}'`);
+	return `${errorCode} throw e;`;
+};
diff --git a/node_modules/webpack/lib/dependencies/getFunctionExpression.js b/node_modules/webpack/lib/dependencies/getFunctionExpression.js
new file mode 100644
index 00000000..0e73840e
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/getFunctionExpression.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+module.exports = expr => {
+	// <FunctionExpression>
+	if (
+		expr.type === "FunctionExpression" ||
+		expr.type === "ArrowFunctionExpression"
+	) {
+		return {
+			fn: expr,
+			expressions: [],
+			needThis: false
+		};
+	}
+
+	// <FunctionExpression>.bind(<Expression>)
+	if (
+		expr.type === "CallExpression" &&
+		expr.callee.type === "MemberExpression" &&
+		expr.callee.object.type === "FunctionExpression" &&
+		expr.callee.property.type === "Identifier" &&
+		expr.callee.property.name === "bind" &&
+		expr.arguments.length === 1
+	) {
+		return {
+			fn: expr.callee.object,
+			expressions: [expr.arguments[0]],
+			needThis: undefined
+		};
+	}
+	// (function(_this) {return <FunctionExpression>})(this) (Coffeescript)
+	if (
+		expr.type === "CallExpression" &&
+		expr.callee.type === "FunctionExpression" &&
+		expr.callee.body.type === "BlockStatement" &&
+		expr.arguments.length === 1 &&
+		expr.arguments[0].type === "ThisExpression" &&
+		expr.callee.body.body &&
+		expr.callee.body.body.length === 1 &&
+		expr.callee.body.body[0].type === "ReturnStatement" &&
+		expr.callee.body.body[0].argument &&
+		expr.callee.body.body[0].argument.type === "FunctionExpression"
+	) {
+		return {
+			fn: expr.callee.body.body[0].argument,
+			expressions: [],
+			needThis: true
+		};
+	}
+};
diff --git a/node_modules/webpack/lib/formatLocation.js b/node_modules/webpack/lib/formatLocation.js
new file mode 100644
index 00000000..f608cd49
--- /dev/null
+++ b/node_modules/webpack/lib/formatLocation.js
@@ -0,0 +1,75 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("./Dependency").SourcePosition} SourcePosition */
+
+// TODO webpack 5: pos must be SourcePosition
+/**
+ * @param {SourcePosition|DependencyLocation|string} pos position
+ * @returns {string} formatted position
+ */
+const formatPosition = pos => {
+	if (pos === null) return "";
+	// TODO webpack 5: Simplify this
+	if (typeof pos === "string") return pos;
+	if (typeof pos === "number") return `${pos}`;
+	if (typeof pos === "object") {
+		if ("line" in pos && "column" in pos) {
+			return `${pos.line}:${pos.column}`;
+		} else if ("line" in pos) {
+			return `${pos.line}:?`;
+		} else if ("index" in pos) {
+			// TODO webpack 5 remove this case
+			return `+${pos.index}`;
+		} else {
+			return "";
+		}
+	}
+	return "";
+};
+
+// TODO webpack 5: loc must be DependencyLocation
+/**
+ * @param {DependencyLocation|SourcePosition|string} loc location
+ * @returns {string} formatted location
+ */
+const formatLocation = loc => {
+	if (loc === null) return "";
+	// TODO webpack 5: Simplify this
+	if (typeof loc === "string") return loc;
+	if (typeof loc === "number") return `${loc}`;
+	if (typeof loc === "object") {
+		if ("start" in loc && loc.start && "end" in loc && loc.end) {
+			if (
+				typeof loc.start === "object" &&
+				typeof loc.start.line === "number" &&
+				typeof loc.end === "object" &&
+				typeof loc.end.line === "number" &&
+				typeof loc.end.column === "number" &&
+				loc.start.line === loc.end.line
+			) {
+				return `${formatPosition(loc.start)}-${loc.end.column}`;
+			} else {
+				return `${formatPosition(loc.start)}-${formatPosition(loc.end)}`;
+			}
+		}
+		if ("start" in loc && loc.start) {
+			return formatPosition(loc.start);
+		}
+		if ("name" in loc && "index" in loc) {
+			return `${loc.name}[${loc.index}]`;
+		}
+		if ("name" in loc) {
+			return loc.name;
+		}
+		return formatPosition(loc);
+	}
+	return "";
+};
+
+module.exports = formatLocation;
diff --git a/node_modules/webpack/lib/logging/Logger.js b/node_modules/webpack/lib/logging/Logger.js
new file mode 100644
index 00000000..835683e7
--- /dev/null
+++ b/node_modules/webpack/lib/logging/Logger.js
@@ -0,0 +1,128 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+
+"use strict";
+
+const LogType = Object.freeze({
+	error: /** @type {"error"} */ ("error"), // message, c style arguments
+	warn: /** @type {"warn"} */ ("warn"), // message, c style arguments
+	info: /** @type {"info"} */ ("info"), // message, c style arguments
+	log: /** @type {"log"} */ ("log"), // message, c style arguments
+	debug: /** @type {"debug"} */ ("debug"), // message, c style arguments
+
+	trace: /** @type {"trace"} */ ("trace"), // no arguments
+
+	group: /** @type {"group"} */ ("group"), // [label]
+	groupCollapsed: /** @type {"groupCollapsed"} */ ("groupCollapsed"), // [label]
+	groupEnd: /** @type {"groupEnd"} */ ("groupEnd"), // [label]
+
+	profile: /** @type {"profile"} */ ("profile"), // [profileName]
+	profileEnd: /** @type {"profileEnd"} */ ("profileEnd"), // [profileName]
+
+	time: /** @type {"time"} */ ("time"), // name, time as [seconds, nanoseconds]
+
+	clear: /** @type {"clear"} */ ("clear"), // no arguments
+	status: /** @type {"status"} */ ("status") // message, arguments
+});
+
+exports.LogType = LogType;
+
+/** @typedef {typeof LogType[keyof typeof LogType]} LogTypeEnum */
+
+const LOG_SYMBOL = Symbol("webpack logger raw log method");
+const TIMERS_SYMBOL = Symbol("webpack logger times");
+
+class WebpackLogger {
+	/**
+	 * @param {function(LogTypeEnum, any[]=): void} log log function
+	 */
+	constructor(log) {
+		this[LOG_SYMBOL] = log;
+	}
+
+	error(...args) {
+		this[LOG_SYMBOL](LogType.error, args);
+	}
+
+	warn(...args) {
+		this[LOG_SYMBOL](LogType.warn, args);
+	}
+
+	info(...args) {
+		this[LOG_SYMBOL](LogType.info, args);
+	}
+
+	log(...args) {
+		this[LOG_SYMBOL](LogType.log, args);
+	}
+
+	debug(...args) {
+		this[LOG_SYMBOL](LogType.debug, args);
+	}
+
+	assert(assertion, ...args) {
+		if (!assertion) {
+			this[LOG_SYMBOL](LogType.error, args);
+		}
+	}
+
+	trace() {
+		this[LOG_SYMBOL](LogType.trace, ["Trace"]);
+	}
+
+	clear() {
+		this[LOG_SYMBOL](LogType.clear);
+	}
+
+	status(...args) {
+		this[LOG_SYMBOL](LogType.status, args);
+	}
+
+	group(...args) {
+		this[LOG_SYMBOL](LogType.group, args);
+	}
+
+	groupCollapsed(...args) {
+		this[LOG_SYMBOL](LogType.groupCollapsed, args);
+	}
+
+	groupEnd(...args) {
+		this[LOG_SYMBOL](LogType.groupEnd, args);
+	}
+
+	profile(label) {
+		this[LOG_SYMBOL](LogType.profile, [label]);
+	}
+
+	profileEnd(label) {
+		this[LOG_SYMBOL](LogType.profileEnd, [label]);
+	}
+
+	time(label) {
+		this[TIMERS_SYMBOL] = this[TIMERS_SYMBOL] || new Map();
+		this[TIMERS_SYMBOL].set(label, process.hrtime());
+	}
+
+	timeLog(label) {
+		const prev = this[TIMERS_SYMBOL] && this[TIMERS_SYMBOL].get(label);
+		if (!prev) {
+			throw new Error(`No such label '${label}' for WebpackLogger.timeLog()`);
+		}
+		const time = process.hrtime(prev);
+		this[LOG_SYMBOL](LogType.time, [label, ...time]);
+	}
+
+	timeEnd(label) {
+		const prev = this[TIMERS_SYMBOL] && this[TIMERS_SYMBOL].get(label);
+		if (!prev) {
+			throw new Error(`No such label '${label}' for WebpackLogger.timeEnd()`);
+		}
+		const time = process.hrtime(prev);
+		this[TIMERS_SYMBOL].delete(label);
+		this[LOG_SYMBOL](LogType.time, [label, ...time]);
+	}
+}
+
+exports.Logger = WebpackLogger;
diff --git a/node_modules/webpack/lib/logging/createConsoleLogger.js b/node_modules/webpack/lib/logging/createConsoleLogger.js
new file mode 100644
index 00000000..504f6609
--- /dev/null
+++ b/node_modules/webpack/lib/logging/createConsoleLogger.js
@@ -0,0 +1,210 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { LogType } = require("./Logger");
+
+/** @typedef {import("./Logger").LogTypeEnum} LogTypeEnum */
+/** @typedef {import("../../declarations/WebpackOptions").FilterTypes} FilterTypes */
+/** @typedef {import("../../declarations/WebpackOptions").FilterItemTypes} FilterItemTypes */
+
+/** @typedef {function(string): boolean} FilterFunction */
+
+/**
+ * @typedef {Object} LoggerOptions
+ * @property {false|true|"none"|"error"|"warn"|"info"|"log"|"verbose"} level loglevel
+ * @property {FilterTypes|boolean} debug filter for debug logging
+ * @property {Console & { status?: Function, logTime?: Function }} console the console to log to
+ */
+
+/**
+ * @param {FilterItemTypes} item an input item
+ * @returns {FilterFunction} filter funtion
+ */
+const filterToFunction = item => {
+	if (typeof item === "string") {
+		const regExp = new RegExp(
+			`[\\\\/]${item.replace(
+				// eslint-disable-next-line no-useless-escape
+				/[-[\]{}()*+?.\\^$|]/g,
+				"\\$&"
+			)}([\\\\/]|$|!|\\?)`
+		);
+		return ident => regExp.test(ident);
+	}
+	if (item && typeof item === "object" && typeof item.test === "function") {
+		return ident => item.test(ident);
+	}
+	if (typeof item === "function") {
+		return item;
+	}
+	if (typeof item === "boolean") {
+		return () => item;
+	}
+};
+
+/**
+ * @enum {number}
+ */
+const LogLevel = {
+	none: 6,
+	false: 6,
+	error: 5,
+	warn: 4,
+	info: 3,
+	log: 2,
+	true: 2,
+	verbose: 1
+};
+
+/**
+ * @param {LoggerOptions} options options object
+ * @returns {function(string, LogTypeEnum, any[]): void} logging function
+ */
+module.exports = ({ level = "info", debug = false, console }) => {
+	const debugFilters =
+		typeof debug === "boolean"
+			? [() => debug]
+			: /** @type {FilterItemTypes[]} */ ([])
+					.concat(debug)
+					.map(filterToFunction);
+	/** @type {number} */
+	const loglevel = LogLevel[`${level}`] || 0;
+
+	/**
+	 * @param {string} name name of the logger
+	 * @param {LogTypeEnum} type type of the log entry
+	 * @param {any[]} args arguments of the log entry
+	 * @returns {void}
+	 */
+	const logger = (name, type, args) => {
+		const labeledArgs = () => {
+			if (Array.isArray(args)) {
+				if (args.length > 0 && typeof args[0] === "string") {
+					return [`[${name}] ${args[0]}`, ...args.slice(1)];
+				} else {
+					return [`[${name}]`, ...args];
+				}
+			} else {
+				return [];
+			}
+		};
+		const debug = debugFilters.some(f => f(name));
+		switch (type) {
+			case LogType.debug:
+				if (!debug) return;
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.debug === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.debug(...labeledArgs());
+				} else {
+					console.log(...labeledArgs());
+				}
+				break;
+			case LogType.log:
+				if (!debug && loglevel > LogLevel.log) return;
+				console.log(...labeledArgs());
+				break;
+			case LogType.info:
+				if (!debug && loglevel > LogLevel.info) return;
+				console.info(...labeledArgs());
+				break;
+			case LogType.warn:
+				if (!debug && loglevel > LogLevel.warn) return;
+				console.warn(...labeledArgs());
+				break;
+			case LogType.error:
+				if (!debug && loglevel > LogLevel.error) return;
+				console.error(...labeledArgs());
+				break;
+			case LogType.trace:
+				if (!debug) return;
+				console.trace();
+				break;
+			case LogType.groupCollapsed:
+				if (!debug && loglevel > LogLevel.log) return;
+				if (!debug && loglevel > LogLevel.verbose) {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					if (typeof console.groupCollapsed === "function") {
+						// eslint-disable-next-line node/no-unsupported-features/node-builtins
+						console.groupCollapsed(...labeledArgs());
+					} else {
+						console.log(...labeledArgs());
+					}
+					break;
+				}
+			// falls through
+			case LogType.group:
+				if (!debug && loglevel > LogLevel.log) return;
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.group === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.group(...labeledArgs());
+				} else {
+					console.log(...labeledArgs());
+				}
+				break;
+			case LogType.groupEnd:
+				if (!debug && loglevel > LogLevel.log) return;
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.groupEnd === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.groupEnd();
+				}
+				break;
+			case LogType.time: {
+				if (!debug && loglevel > LogLevel.log) return;
+				const ms = args[1] * 1000 + args[2] / 1000000;
+				const msg = `[${name}] ${args[0]}: ${ms}ms`;
+				if (typeof console.logTime === "function") {
+					console.logTime(msg);
+				} else {
+					console.log(msg);
+				}
+				break;
+			}
+			case LogType.profile:
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.profile === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.profile(...labeledArgs());
+				}
+				break;
+			case LogType.profileEnd:
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.profileEnd === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.profileEnd(...labeledArgs());
+				}
+				break;
+			case LogType.clear:
+				if (!debug && loglevel > LogLevel.log) return;
+				// eslint-disable-next-line node/no-unsupported-features/node-builtins
+				if (typeof console.clear === "function") {
+					// eslint-disable-next-line node/no-unsupported-features/node-builtins
+					console.clear();
+				}
+				break;
+			case LogType.status:
+				if (!debug && loglevel > LogLevel.info) return;
+				if (typeof console.status === "function") {
+					if (args.length === 0) {
+						console.status();
+					} else {
+						console.status(...labeledArgs());
+					}
+				} else {
+					if (args.length !== 0) {
+						console.info(...labeledArgs());
+					}
+				}
+				break;
+			default:
+				throw new Error(`Unexpected LogType ${type}`);
+		}
+	};
+	return logger;
+};
diff --git a/node_modules/webpack/lib/logging/runtime.js b/node_modules/webpack/lib/logging/runtime.js
new file mode 100644
index 00000000..18e2148b
--- /dev/null
+++ b/node_modules/webpack/lib/logging/runtime.js
@@ -0,0 +1,36 @@
+const SyncBailHook = require("tapable/lib/SyncBailHook");
+const { Logger } = require("./Logger");
+const createConsoleLogger = require("./createConsoleLogger");
+
+/** @type {createConsoleLogger.LoggerOptions} */
+let currentDefaultLoggerOptions = {
+	level: "info",
+	debug: false,
+	console
+};
+let currentDefaultLogger = createConsoleLogger(currentDefaultLoggerOptions);
+
+/**
+ * @param {string} name name of the logger
+ * @returns {Logger} a logger
+ */
+exports.getLogger = name => {
+	return new Logger((type, args) => {
+		if (exports.hooks.log.call(name, type, args) === undefined) {
+			currentDefaultLogger(name, type, args);
+		}
+	});
+};
+
+/**
+ * @param {createConsoleLogger.LoggerOptions} options new options, merge with old options
+ * @returns {void}
+ */
+exports.configureDefaultLogger = options => {
+	Object.assign(currentDefaultLoggerOptions, options);
+	currentDefaultLogger = createConsoleLogger(currentDefaultLoggerOptions);
+};
+
+exports.hooks = {
+	log: new SyncBailHook(["origin", "type", "args"])
+};
diff --git a/node_modules/webpack/lib/logging/truncateArgs.js b/node_modules/webpack/lib/logging/truncateArgs.js
new file mode 100644
index 00000000..8522586b
--- /dev/null
+++ b/node_modules/webpack/lib/logging/truncateArgs.js
@@ -0,0 +1,76 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+
+"use strict";
+
+/**
+ * @param {any[]} args items to be truncated
+ * @param {number} maxLength maximum length of args including spaces between
+ * @returns {string[]} truncated args
+ */
+const truncateArgs = (args, maxLength) => {
+	const lengths = args.map(a => `${a}`.length);
+	const availableLength = maxLength - lengths.length + 1;
+
+	if (availableLength > 0 && args.length === 1) {
+		if (availableLength >= args[0].length) {
+			return args;
+		} else if (availableLength > 3) {
+			return ["..." + args[0].slice(-availableLength + 3)];
+		} else {
+			return [args[0].slice(-availableLength)];
+		}
+	}
+
+	// Check if there is space for at least 4 chars per arg
+	if (availableLength < lengths.reduce((s, i) => s + Math.min(i, 6), 0)) {
+		// remove args
+		if (args.length > 1)
+			return truncateArgs(args.slice(0, args.length - 1), maxLength);
+		return [];
+	}
+
+	let currentLength = lengths.reduce((a, b) => a + b, 0);
+
+	// Check if all fits into maxLength
+	if (currentLength <= availableLength) return args;
+
+	// Try to remove chars from the longest items until it fits
+	while (currentLength > availableLength) {
+		const maxLength = Math.max(...lengths);
+		const shorterItems = lengths.filter(l => l !== maxLength);
+		const nextToMaxLength =
+			shorterItems.length > 0 ? Math.max(...shorterItems) : 0;
+		const maxReduce = maxLength - nextToMaxLength;
+		let maxItems = lengths.length - shorterItems.length;
+		let overrun = currentLength - availableLength;
+		for (let i = 0; i < lengths.length; i++) {
+			if (lengths[i] === maxLength) {
+				const reduce = Math.min(Math.floor(overrun / maxItems), maxReduce);
+				lengths[i] -= reduce;
+				currentLength -= reduce;
+				overrun -= reduce;
+				maxItems--;
+			}
+		}
+	}
+
+	// Return args reduced to length in lengths
+	return args.map((a, i) => {
+		const str = `${a}`;
+		const length = lengths[i];
+		if (str.length === length) {
+			return str;
+		} else if (length > 5) {
+			return "..." + str.slice(-length + 3);
+		} else if (length > 0) {
+			return str.slice(-length);
+		} else {
+			return "";
+		}
+	});
+};
+
+module.exports = truncateArgs;
diff --git a/node_modules/webpack/lib/node/NodeChunkTemplatePlugin.js b/node_modules/webpack/lib/node/NodeChunkTemplatePlugin.js
new file mode 100644
index 00000000..292182a9
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeChunkTemplatePlugin.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+class NodeChunkTemplatePlugin {
+	apply(chunkTemplate) {
+		chunkTemplate.hooks.render.tap(
+			"NodeChunkTemplatePlugin",
+			(modules, chunk) => {
+				const source = new ConcatSource();
+				source.add(
+					`exports.ids = ${JSON.stringify(chunk.ids)};\nexports.modules = `
+				);
+				source.add(modules);
+				source.add(";");
+				return source;
+			}
+		);
+		chunkTemplate.hooks.hash.tap("NodeChunkTemplatePlugin", hash => {
+			hash.update("node");
+			hash.update("3");
+		});
+	}
+}
+
+module.exports = NodeChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/node/NodeEnvironmentPlugin.js b/node_modules/webpack/lib/node/NodeEnvironmentPlugin.js
new file mode 100644
index 00000000..98c7985e
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeEnvironmentPlugin.js
@@ -0,0 +1,44 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const NodeWatchFileSystem = require("./NodeWatchFileSystem");
+const NodeOutputFileSystem = require("./NodeOutputFileSystem");
+const NodeJsInputFileSystem = require("enhanced-resolve/lib/NodeJsInputFileSystem");
+const CachedInputFileSystem = require("enhanced-resolve/lib/CachedInputFileSystem");
+const createConsoleLogger = require("../logging/createConsoleLogger");
+const nodeConsole = require("./nodeConsole");
+
+class NodeEnvironmentPlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		compiler.infrastructureLogger = createConsoleLogger(
+			Object.assign(
+				{
+					level: "info",
+					debug: false,
+					console: nodeConsole
+				},
+				this.options.infrastructureLogging
+			)
+		);
+		compiler.inputFileSystem = new CachedInputFileSystem(
+			new NodeJsInputFileSystem(),
+			60000
+		);
+		const inputFileSystem = compiler.inputFileSystem;
+		compiler.outputFileSystem = new NodeOutputFileSystem();
+		compiler.watchFileSystem = new NodeWatchFileSystem(
+			compiler.inputFileSystem
+		);
+		compiler.hooks.beforeRun.tap("NodeEnvironmentPlugin", compiler => {
+			if (compiler.inputFileSystem === inputFileSystem) inputFileSystem.purge();
+		});
+	}
+}
+module.exports = NodeEnvironmentPlugin;
diff --git a/node_modules/webpack/lib/node/NodeHotUpdateChunkTemplatePlugin.js b/node_modules/webpack/lib/node/NodeHotUpdateChunkTemplatePlugin.js
new file mode 100644
index 00000000..bbd2e12a
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeHotUpdateChunkTemplatePlugin.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+class NodeHotUpdateChunkTemplatePlugin {
+	apply(hotUpdateChunkTemplate) {
+		hotUpdateChunkTemplate.hooks.render.tap(
+			"NodeHotUpdateChunkTemplatePlugin",
+			(modulesSource, modules, removedModules, hash, id) => {
+				const source = new ConcatSource();
+				source.add(
+					"exports.id = " + JSON.stringify(id) + ";\nexports.modules = "
+				);
+				source.add(modulesSource);
+				source.add(";");
+				return source;
+			}
+		);
+		hotUpdateChunkTemplate.hooks.hash.tap(
+			"NodeHotUpdateChunkTemplatePlugin",
+			hash => {
+				hash.update("NodeHotUpdateChunkTemplatePlugin");
+				hash.update("3");
+				hash.update(
+					hotUpdateChunkTemplate.outputOptions.hotUpdateFunction + ""
+				);
+				hash.update(hotUpdateChunkTemplate.outputOptions.library + "");
+			}
+		);
+	}
+}
+module.exports = NodeHotUpdateChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/node/NodeMainTemplate.runtime.js b/node_modules/webpack/lib/node/NodeMainTemplate.runtime.js
new file mode 100644
index 00000000..0880124b
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeMainTemplate.runtime.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+// eslint-disable-next-line no-unused-vars
+var $hotChunkFilename$ = undefined;
+var hotAddUpdateChunk = undefined;
+var installedChunks = undefined;
+var $hotMainFilename$ = undefined;
+
+module.exports = function() {
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadUpdateChunk(chunkId) {
+		var chunk = require("./" + $hotChunkFilename$);
+		hotAddUpdateChunk(chunk.id, chunk.modules);
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadManifest() {
+		try {
+			var update = require("./" + $hotMainFilename$);
+		} catch (e) {
+			return Promise.resolve();
+		}
+		return Promise.resolve(update);
+	}
+
+	//eslint-disable-next-line no-unused-vars
+	function hotDisposeChunk(chunkId) {
+		delete installedChunks[chunkId];
+	}
+};
diff --git a/node_modules/webpack/lib/node/NodeMainTemplateAsync.runtime.js b/node_modules/webpack/lib/node/NodeMainTemplateAsync.runtime.js
new file mode 100644
index 00000000..a021f5a0
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeMainTemplateAsync.runtime.js
@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+// eslint-disable-next-line no-unused-vars
+var $hotChunkFilename$ = undefined;
+var $require$ = undefined;
+var hotAddUpdateChunk = undefined;
+var $hotMainFilename$ = undefined;
+var installedChunks = undefined;
+
+module.exports = function() {
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadUpdateChunk(chunkId) {
+		var filename = require("path").join(__dirname, $hotChunkFilename$);
+		require("fs").readFile(filename, "utf-8", function(err, content) {
+			if (err) {
+				if ($require$.onError) return $require$.oe(err);
+				throw err;
+			}
+			var chunk = {};
+			require("vm").runInThisContext(
+				"(function(exports) {" + content + "\n})",
+				{ filename: filename }
+			)(chunk);
+			hotAddUpdateChunk(chunk.id, chunk.modules);
+		});
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadManifest() {
+		var filename = require("path").join(__dirname, $hotMainFilename$);
+		return new Promise(function(resolve, reject) {
+			require("fs").readFile(filename, "utf-8", function(err, content) {
+				if (err) return resolve();
+				try {
+					var update = JSON.parse(content);
+				} catch (e) {
+					return reject(e);
+				}
+				resolve(update);
+			});
+		});
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDisposeChunk(chunkId) {
+		delete installedChunks[chunkId];
+	}
+};
diff --git a/node_modules/webpack/lib/node/NodeMainTemplatePlugin.js b/node_modules/webpack/lib/node/NodeMainTemplatePlugin.js
new file mode 100644
index 00000000..a2702969
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeMainTemplatePlugin.js
@@ -0,0 +1,321 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+
+module.exports = class NodeMainTemplatePlugin {
+	constructor(asyncChunkLoading) {
+		this.asyncChunkLoading = asyncChunkLoading;
+	}
+
+	apply(mainTemplate) {
+		const needChunkOnDemandLoadingCode = chunk => {
+			for (const chunkGroup of chunk.groupsIterable) {
+				if (chunkGroup.getNumberOfChildren() > 0) return true;
+			}
+			return false;
+		};
+		const asyncChunkLoading = this.asyncChunkLoading;
+		mainTemplate.hooks.localVars.tap(
+			"NodeMainTemplatePlugin",
+			(source, chunk) => {
+				if (needChunkOnDemandLoadingCode(chunk)) {
+					return Template.asString([
+						source,
+						"",
+						"// object to store loaded chunks",
+						'// "0" means "already loaded"',
+						"var installedChunks = {",
+						Template.indent(
+							chunk.ids.map(id => `${JSON.stringify(id)}: 0`).join(",\n")
+						),
+						"};"
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.requireExtensions.tap(
+			"NodeMainTemplatePlugin",
+			(source, chunk) => {
+				if (needChunkOnDemandLoadingCode(chunk)) {
+					return Template.asString([
+						source,
+						"",
+						"// uncaught error handler for webpack runtime",
+						`${mainTemplate.requireFn}.oe = function(err) {`,
+						Template.indent([
+							"process.nextTick(function() {",
+							Template.indent(
+								"throw err; // catch this error by using import().catch()"
+							),
+							"});"
+						]),
+						"};"
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.requireEnsure.tap(
+			"NodeMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const chunkFilename = mainTemplate.outputOptions.chunkFilename;
+				const chunkMaps = chunk.getChunkMaps();
+				const insertMoreModules = [
+					"var moreModules = chunk.modules, chunkIds = chunk.ids;",
+					"for(var moduleId in moreModules) {",
+					Template.indent(
+						mainTemplate.renderAddModule(
+							hash,
+							chunk,
+							"moduleId",
+							"moreModules[moduleId]"
+						)
+					),
+					"}"
+				];
+				if (asyncChunkLoading) {
+					return Template.asString([
+						source,
+						"",
+						"// ReadFile + VM.run chunk loading for javascript",
+						"",
+						"var installedChunkData = installedChunks[chunkId];",
+						'if(installedChunkData !== 0) { // 0 means "already installed".',
+						Template.indent([
+							'// array of [resolve, reject, promise] means "currently loading"',
+							"if(installedChunkData) {",
+							Template.indent(["promises.push(installedChunkData[2]);"]),
+							"} else {",
+							Template.indent([
+								"// load the chunk and return promise to it",
+								"var promise = new Promise(function(resolve, reject) {",
+								Template.indent([
+									"installedChunkData = installedChunks[chunkId] = [resolve, reject];",
+									"var filename = require('path').join(__dirname, " +
+										mainTemplate.getAssetPath(
+											JSON.stringify(`/${chunkFilename}`),
+											{
+												hash: `" + ${mainTemplate.renderCurrentHashCode(
+													hash
+												)} + "`,
+												hashWithLength: length =>
+													`" + ${mainTemplate.renderCurrentHashCode(
+														hash,
+														length
+													)} + "`,
+												chunk: {
+													id: '" + chunkId + "',
+													hash: `" + ${JSON.stringify(
+														chunkMaps.hash
+													)}[chunkId] + "`,
+													hashWithLength: length => {
+														const shortChunkHashMap = {};
+														for (const chunkId of Object.keys(chunkMaps.hash)) {
+															if (typeof chunkMaps.hash[chunkId] === "string") {
+																shortChunkHashMap[chunkId] = chunkMaps.hash[
+																	chunkId
+																].substr(0, length);
+															}
+														}
+														return `" + ${JSON.stringify(
+															shortChunkHashMap
+														)}[chunkId] + "`;
+													},
+													contentHash: {
+														javascript: `" + ${JSON.stringify(
+															chunkMaps.contentHash.javascript
+														)}[chunkId] + "`
+													},
+													contentHashWithLength: {
+														javascript: length => {
+															const shortContentHashMap = {};
+															const contentHash =
+																chunkMaps.contentHash.javascript;
+															for (const chunkId of Object.keys(contentHash)) {
+																if (typeof contentHash[chunkId] === "string") {
+																	shortContentHashMap[chunkId] = contentHash[
+																		chunkId
+																	].substr(0, length);
+																}
+															}
+															return `" + ${JSON.stringify(
+																shortContentHashMap
+															)}[chunkId] + "`;
+														}
+													},
+													name: `" + (${JSON.stringify(
+														chunkMaps.name
+													)}[chunkId]||chunkId) + "`
+												},
+												contentHashType: "javascript"
+											}
+										) +
+										");",
+									"require('fs').readFile(filename, 'utf-8',  function(err, content) {",
+									Template.indent(
+										[
+											"if(err) return reject(err);",
+											"var chunk = {};",
+											"require('vm').runInThisContext('(function(exports, require, __dirname, __filename) {' + content + '\\n})', filename)" +
+												"(chunk, require, require('path').dirname(filename), filename);"
+										]
+											.concat(insertMoreModules)
+											.concat([
+												"var callbacks = [];",
+												"for(var i = 0; i < chunkIds.length; i++) {",
+												Template.indent([
+													"if(installedChunks[chunkIds[i]])",
+													Template.indent([
+														"callbacks = callbacks.concat(installedChunks[chunkIds[i]][0]);"
+													]),
+													"installedChunks[chunkIds[i]] = 0;"
+												]),
+												"}",
+												"for(i = 0; i < callbacks.length; i++)",
+												Template.indent("callbacks[i]();")
+											])
+									),
+									"});"
+								]),
+								"});",
+								"promises.push(installedChunkData[2] = promise);"
+							]),
+							"}"
+						]),
+						"}"
+					]);
+				} else {
+					const request = mainTemplate.getAssetPath(
+						JSON.stringify(`./${chunkFilename}`),
+						{
+							hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+							hashWithLength: length =>
+								`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+							chunk: {
+								id: '" + chunkId + "',
+								hash: `" + ${JSON.stringify(chunkMaps.hash)}[chunkId] + "`,
+								hashWithLength: length => {
+									const shortChunkHashMap = {};
+									for (const chunkId of Object.keys(chunkMaps.hash)) {
+										if (typeof chunkMaps.hash[chunkId] === "string") {
+											shortChunkHashMap[chunkId] = chunkMaps.hash[
+												chunkId
+											].substr(0, length);
+										}
+									}
+									return `" + ${JSON.stringify(
+										shortChunkHashMap
+									)}[chunkId] + "`;
+								},
+								contentHash: {
+									javascript: `" + ${JSON.stringify(
+										chunkMaps.contentHash.javascript
+									)}[chunkId] + "`
+								},
+								contentHashWithLength: {
+									javascript: length => {
+										const shortContentHashMap = {};
+										const contentHash = chunkMaps.contentHash.javascript;
+										for (const chunkId of Object.keys(contentHash)) {
+											if (typeof contentHash[chunkId] === "string") {
+												shortContentHashMap[chunkId] = contentHash[
+													chunkId
+												].substr(0, length);
+											}
+										}
+										return `" + ${JSON.stringify(
+											shortContentHashMap
+										)}[chunkId] + "`;
+									}
+								},
+								name: `" + (${JSON.stringify(
+									chunkMaps.name
+								)}[chunkId]||chunkId) + "`
+							},
+							contentHashType: "javascript"
+						}
+					);
+					return Template.asString([
+						source,
+						"",
+						"// require() chunk loading for javascript",
+						"",
+						'// "0" is the signal for "already loaded"',
+						"if(installedChunks[chunkId] !== 0) {",
+						Template.indent(
+							[`var chunk = require(${request});`]
+								.concat(insertMoreModules)
+								.concat([
+									"for(var i = 0; i < chunkIds.length; i++)",
+									Template.indent("installedChunks[chunkIds[i]] = 0;")
+								])
+						),
+						"}"
+					]);
+				}
+			}
+		);
+		mainTemplate.hooks.hotBootstrap.tap(
+			"NodeMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const hotUpdateChunkFilename =
+					mainTemplate.outputOptions.hotUpdateChunkFilename;
+				const hotUpdateMainFilename =
+					mainTemplate.outputOptions.hotUpdateMainFilename;
+				const chunkMaps = chunk.getChunkMaps();
+				const currentHotUpdateChunkFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateChunkFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+						chunk: {
+							id: '" + chunkId + "',
+							hash: `" + ${JSON.stringify(chunkMaps.hash)}[chunkId] + "`,
+							hashWithLength: length => {
+								const shortChunkHashMap = {};
+								for (const chunkId of Object.keys(chunkMaps.hash)) {
+									if (typeof chunkMaps.hash[chunkId] === "string") {
+										shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(
+											0,
+											length
+										);
+									}
+								}
+								return `" + ${JSON.stringify(shortChunkHashMap)}[chunkId] + "`;
+							},
+							name: `" + (${JSON.stringify(
+								chunkMaps.name
+							)}[chunkId]||chunkId) + "`
+						}
+					}
+				);
+				const currentHotUpdateMainFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateMainFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`
+					}
+				);
+				return Template.getFunctionContent(
+					asyncChunkLoading
+						? require("./NodeMainTemplateAsync.runtime")
+						: require("./NodeMainTemplate.runtime")
+				)
+					.replace(/\$require\$/g, mainTemplate.requireFn)
+					.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
+					.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename);
+			}
+		);
+		mainTemplate.hooks.hash.tap("NodeMainTemplatePlugin", hash => {
+			hash.update("node");
+			hash.update("4");
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/node/NodeOutputFileSystem.js b/node_modules/webpack/lib/node/NodeOutputFileSystem.js
new file mode 100644
index 00000000..2789b576
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeOutputFileSystem.js
@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+const mkdirp = require("mkdirp");
+
+class NodeOutputFileSystem {
+	constructor() {
+		this.mkdirp = mkdirp;
+		this.mkdir = fs.mkdir.bind(fs);
+		this.rmdir = fs.rmdir.bind(fs);
+		this.unlink = fs.unlink.bind(fs);
+		this.writeFile = fs.writeFile.bind(fs);
+		this.join = path.join.bind(path);
+	}
+}
+
+module.exports = NodeOutputFileSystem;
diff --git a/node_modules/webpack/lib/node/NodeSourcePlugin.js b/node_modules/webpack/lib/node/NodeSourcePlugin.js
new file mode 100644
index 00000000..081e1a6e
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeSourcePlugin.js
@@ -0,0 +1,141 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const AliasPlugin = require("enhanced-resolve/lib/AliasPlugin");
+const ParserHelpers = require("../ParserHelpers");
+const nodeLibsBrowser = require("node-libs-browser");
+
+module.exports = class NodeSourcePlugin {
+	constructor(options) {
+		this.options = options;
+	}
+	apply(compiler) {
+		const options = this.options;
+		if (options === false) {
+			// allow single kill switch to turn off this plugin
+			return;
+		}
+
+		const getPathToModule = (module, type) => {
+			if (type === true || (type === undefined && nodeLibsBrowser[module])) {
+				if (!nodeLibsBrowser[module]) {
+					throw new Error(
+						`No browser version for node.js core module ${module} available`
+					);
+				}
+				return nodeLibsBrowser[module];
+			} else if (type === "mock") {
+				return require.resolve(`node-libs-browser/mock/${module}`);
+			} else if (type === "empty") {
+				return require.resolve("node-libs-browser/mock/empty");
+			} else {
+				return module;
+			}
+		};
+
+		const addExpression = (parser, name, module, type, suffix) => {
+			suffix = suffix || "";
+			parser.hooks.expression.for(name).tap("NodeSourcePlugin", () => {
+				if (
+					parser.state.module &&
+					parser.state.module.resource === getPathToModule(module, type)
+				)
+					return;
+				const mockModule = ParserHelpers.requireFileAsExpression(
+					parser.state.module.context,
+					getPathToModule(module, type)
+				);
+				return ParserHelpers.addParsedVariableToModule(
+					parser,
+					name,
+					mockModule + suffix
+				);
+			});
+		};
+
+		compiler.hooks.compilation.tap(
+			"NodeSourcePlugin",
+			(compilation, { normalModuleFactory }) => {
+				const handler = (parser, parserOptions) => {
+					if (parserOptions.node === false) return;
+
+					let localOptions = options;
+					if (parserOptions.node) {
+						localOptions = Object.assign({}, localOptions, parserOptions.node);
+					}
+					if (localOptions.global) {
+						parser.hooks.expression
+							.for("global")
+							.tap("NodeSourcePlugin", () => {
+								const retrieveGlobalModule = ParserHelpers.requireFileAsExpression(
+									parser.state.module.context,
+									require.resolve("../../buildin/global")
+								);
+								return ParserHelpers.addParsedVariableToModule(
+									parser,
+									"global",
+									retrieveGlobalModule
+								);
+							});
+					}
+					if (localOptions.process) {
+						const processType = localOptions.process;
+						addExpression(parser, "process", "process", processType);
+					}
+					if (localOptions.console) {
+						const consoleType = localOptions.console;
+						addExpression(parser, "console", "console", consoleType);
+					}
+					const bufferType = localOptions.Buffer;
+					if (bufferType) {
+						addExpression(parser, "Buffer", "buffer", bufferType, ".Buffer");
+					}
+					if (localOptions.setImmediate) {
+						const setImmediateType = localOptions.setImmediate;
+						addExpression(
+							parser,
+							"setImmediate",
+							"timers",
+							setImmediateType,
+							".setImmediate"
+						);
+						addExpression(
+							parser,
+							"clearImmediate",
+							"timers",
+							setImmediateType,
+							".clearImmediate"
+						);
+					}
+				};
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("NodeSourcePlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("NodeSourcePlugin", handler);
+			}
+		);
+		compiler.hooks.afterResolvers.tap("NodeSourcePlugin", compiler => {
+			for (const lib of Object.keys(nodeLibsBrowser)) {
+				if (options[lib] !== false) {
+					compiler.resolverFactory.hooks.resolver
+						.for("normal")
+						.tap("NodeSourcePlugin", resolver => {
+							new AliasPlugin(
+								"described-resolve",
+								{
+									name: lib,
+									onlyModule: true,
+									alias: getPathToModule(lib, options[lib])
+								},
+								"resolve"
+							).apply(resolver);
+						});
+				}
+			}
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/node/NodeTargetPlugin.js b/node_modules/webpack/lib/node/NodeTargetPlugin.js
new file mode 100644
index 00000000..1ac5d8a5
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeTargetPlugin.js
@@ -0,0 +1,19 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ExternalsPlugin = require("../ExternalsPlugin");
+
+const builtins =
+	// eslint-disable-next-line node/no-unsupported-features/node-builtins,node/no-deprecated-api
+	require("module").builtinModules || Object.keys(process.binding("natives"));
+
+class NodeTargetPlugin {
+	apply(compiler) {
+		new ExternalsPlugin("commonjs", builtins).apply(compiler);
+	}
+}
+
+module.exports = NodeTargetPlugin;
diff --git a/node_modules/webpack/lib/node/NodeTemplatePlugin.js b/node_modules/webpack/lib/node/NodeTemplatePlugin.js
new file mode 100644
index 00000000..cdb1076b
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeTemplatePlugin.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const NodeMainTemplatePlugin = require("./NodeMainTemplatePlugin");
+const NodeChunkTemplatePlugin = require("./NodeChunkTemplatePlugin");
+const NodeHotUpdateChunkTemplatePlugin = require("./NodeHotUpdateChunkTemplatePlugin");
+
+class NodeTemplatePlugin {
+	constructor(options) {
+		options = options || {};
+		this.asyncChunkLoading = options.asyncChunkLoading;
+	}
+
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("NodeTemplatePlugin", compilation => {
+			new NodeMainTemplatePlugin(this.asyncChunkLoading).apply(
+				compilation.mainTemplate
+			);
+			new NodeChunkTemplatePlugin().apply(compilation.chunkTemplate);
+			new NodeHotUpdateChunkTemplatePlugin().apply(
+				compilation.hotUpdateChunkTemplate
+			);
+		});
+	}
+}
+
+module.exports = NodeTemplatePlugin;
diff --git a/node_modules/webpack/lib/node/NodeWatchFileSystem.js b/node_modules/webpack/lib/node/NodeWatchFileSystem.js
new file mode 100644
index 00000000..235e0f06
--- /dev/null
+++ b/node_modules/webpack/lib/node/NodeWatchFileSystem.js
@@ -0,0 +1,109 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Watchpack = require("watchpack");
+const objectToMap = require("../util/objectToMap");
+
+class NodeWatchFileSystem {
+	constructor(inputFileSystem) {
+		this.inputFileSystem = inputFileSystem;
+		this.watcherOptions = {
+			aggregateTimeout: 0
+		};
+		this.watcher = new Watchpack(this.watcherOptions);
+	}
+
+	watch(files, dirs, missing, startTime, options, callback, callbackUndelayed) {
+		if (!Array.isArray(files)) {
+			throw new Error("Invalid arguments: 'files'");
+		}
+		if (!Array.isArray(dirs)) {
+			throw new Error("Invalid arguments: 'dirs'");
+		}
+		if (!Array.isArray(missing)) {
+			throw new Error("Invalid arguments: 'missing'");
+		}
+		if (typeof callback !== "function") {
+			throw new Error("Invalid arguments: 'callback'");
+		}
+		if (typeof startTime !== "number" && startTime) {
+			throw new Error("Invalid arguments: 'startTime'");
+		}
+		if (typeof options !== "object") {
+			throw new Error("Invalid arguments: 'options'");
+		}
+		if (typeof callbackUndelayed !== "function" && callbackUndelayed) {
+			throw new Error("Invalid arguments: 'callbackUndelayed'");
+		}
+		const oldWatcher = this.watcher;
+		this.watcher = new Watchpack(options);
+
+		if (callbackUndelayed) {
+			this.watcher.once("change", callbackUndelayed);
+		}
+		const cachedFiles = files;
+		const cachedDirs = dirs;
+		this.watcher.once("aggregated", (changes, removals) => {
+			changes = changes.concat(removals);
+			if (this.inputFileSystem && this.inputFileSystem.purge) {
+				this.inputFileSystem.purge(changes);
+			}
+			const times = objectToMap(this.watcher.getTimes());
+			files = new Set(files);
+			dirs = new Set(dirs);
+			missing = new Set(missing);
+			removals = new Set(removals.filter(file => files.has(file)));
+			callback(
+				null,
+				changes.filter(file => files.has(file)).sort(),
+				changes.filter(file => dirs.has(file)).sort(),
+				changes.filter(file => missing.has(file)).sort(),
+				times,
+				times,
+				removals
+			);
+		});
+
+		this.watcher.watch(
+			cachedFiles.concat(missing),
+			cachedDirs.concat(missing),
+			startTime
+		);
+
+		if (oldWatcher) {
+			oldWatcher.close();
+		}
+		return {
+			close: () => {
+				if (this.watcher) {
+					this.watcher.close();
+					this.watcher = null;
+				}
+			},
+			pause: () => {
+				if (this.watcher) {
+					this.watcher.pause();
+				}
+			},
+			getFileTimestamps: () => {
+				if (this.watcher) {
+					return objectToMap(this.watcher.getTimes());
+				} else {
+					return new Map();
+				}
+			},
+			getContextTimestamps: () => {
+				if (this.watcher) {
+					return objectToMap(this.watcher.getTimes());
+				} else {
+					return new Map();
+				}
+			}
+		};
+	}
+}
+
+module.exports = NodeWatchFileSystem;
diff --git a/node_modules/webpack/lib/node/ReadFileCompileWasmTemplatePlugin.js b/node_modules/webpack/lib/node/ReadFileCompileWasmTemplatePlugin.js
new file mode 100644
index 00000000..a7566b81
--- /dev/null
+++ b/node_modules/webpack/lib/node/ReadFileCompileWasmTemplatePlugin.js
@@ -0,0 +1,61 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+const WasmMainTemplatePlugin = require("../wasm/WasmMainTemplatePlugin");
+
+class ReadFileCompileWasmTemplatePlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"ReadFileCompileWasmTemplatePlugin",
+			compilation => {
+				const generateLoadBinaryCode = path =>
+					Template.asString([
+						"new Promise(function (resolve, reject) {",
+						Template.indent([
+							"var { readFile } = require('fs');",
+							"var { join } = require('path');",
+							"",
+							"try {",
+							Template.indent([
+								`readFile(join(__dirname, ${path}), function(err, buffer){`,
+								Template.indent([
+									"if (err) return reject(err);",
+									"",
+									"// Fake fetch response",
+									"resolve({",
+									Template.indent([
+										"arrayBuffer() { return Promise.resolve(buffer); }"
+									]),
+									"});"
+								]),
+								"});"
+							]),
+							"} catch (err) { reject(err); }"
+						]),
+						"})"
+					]);
+
+				const plugin = new WasmMainTemplatePlugin(
+					Object.assign(
+						{
+							generateLoadBinaryCode,
+							supportsStreaming: false
+						},
+						this.options
+					)
+				);
+				plugin.apply(compilation.mainTemplate);
+			}
+		);
+	}
+}
+
+module.exports = ReadFileCompileWasmTemplatePlugin;
diff --git a/node_modules/webpack/lib/node/nodeConsole.js b/node_modules/webpack/lib/node/nodeConsole.js
new file mode 100644
index 00000000..32a80991
--- /dev/null
+++ b/node_modules/webpack/lib/node/nodeConsole.js
@@ -0,0 +1,135 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const truncateArgs = require("../logging/truncateArgs");
+const util = require("util");
+
+const tty = process.stderr.isTTY && process.env.TERM !== "dumb";
+
+let currentStatusMessage = undefined;
+let hasStatusMessage = false;
+let currentIndent = "";
+let currentCollapsed = 0;
+
+const indent = (str, prefix, colorPrefix, colorSuffix) => {
+	if (str === "") return str;
+	prefix = currentIndent + prefix;
+	if (tty) {
+		return (
+			prefix +
+			colorPrefix +
+			str.replace(/\n/g, colorSuffix + "\n" + prefix + colorPrefix) +
+			colorSuffix
+		);
+	} else {
+		return prefix + str.replace(/\n/g, "\n" + prefix);
+	}
+};
+
+const clearStatusMessage = () => {
+	if (hasStatusMessage) {
+		process.stderr.write("\x1b[2K\r");
+		hasStatusMessage = false;
+	}
+};
+
+const writeStatusMessage = () => {
+	if (!currentStatusMessage) return;
+	const l = process.stderr.columns;
+	const args = l
+		? truncateArgs(currentStatusMessage, l - 1)
+		: currentStatusMessage;
+	const str = args.join(" ");
+	const coloredStr = `\u001b[1m${str}\u001b[39m\u001b[22m`;
+	process.stderr.write(`\x1b[2K\r${coloredStr}`);
+	hasStatusMessage = true;
+};
+
+const writeColored = (prefix, colorPrefix, colorSuffix) => {
+	return (...args) => {
+		if (currentCollapsed > 0) return;
+		clearStatusMessage();
+		// @ts-ignore
+		const str = indent(util.format(...args), prefix, colorPrefix, colorSuffix);
+		process.stderr.write(str + "\n");
+		writeStatusMessage();
+	};
+};
+
+const writeGroupMessage = writeColored(
+	"<-> ",
+	"\u001b[1m\u001b[36m",
+	"\u001b[39m\u001b[22m"
+);
+
+const writeGroupCollapsedMessage = writeColored(
+	"<+> ",
+	"\u001b[1m\u001b[36m",
+	"\u001b[39m\u001b[22m"
+);
+
+module.exports = {
+	log: writeColored("    ", "\u001b[1m", "\u001b[22m"),
+	debug: writeColored("    ", "", ""),
+	trace: writeColored("    ", "", ""),
+	info: writeColored("<i> ", "\u001b[1m\u001b[32m", "\u001b[39m\u001b[22m"),
+	warn: writeColored("<w> ", "\u001b[1m\u001b[33m", "\u001b[39m\u001b[22m"),
+	error: writeColored("<e> ", "\u001b[1m\u001b[31m", "\u001b[39m\u001b[22m"),
+	logTime: writeColored("<t> ", "\u001b[1m\u001b[35m", "\u001b[39m\u001b[22m"),
+	group: (...args) => {
+		writeGroupMessage(...args);
+		if (currentCollapsed > 0) {
+			currentCollapsed++;
+		} else {
+			currentIndent += "  ";
+		}
+	},
+	groupCollapsed: (...args) => {
+		writeGroupCollapsedMessage(...args);
+		currentCollapsed++;
+	},
+	groupEnd: () => {
+		if (currentCollapsed > 0) currentCollapsed--;
+		else if (currentIndent.length >= 2)
+			currentIndent = currentIndent.slice(0, currentIndent.length - 2);
+	},
+	// eslint-disable-next-line node/no-unsupported-features/node-builtins
+	profile: console.profile && (name => console.profile(name)),
+	// eslint-disable-next-line node/no-unsupported-features/node-builtins
+	profileEnd: console.profileEnd && (name => console.profileEnd(name)),
+	clear:
+		tty &&
+		// eslint-disable-next-line node/no-unsupported-features/node-builtins
+		console.clear &&
+		(() => {
+			clearStatusMessage();
+			// eslint-disable-next-line node/no-unsupported-features/node-builtins
+			console.clear();
+			writeStatusMessage();
+		}),
+	status: tty
+		? (name, ...args) => {
+				args = args.filter(Boolean);
+				if (name === undefined && args.length === 0) {
+					clearStatusMessage();
+					currentStatusMessage = undefined;
+				} else if (
+					typeof name === "string" &&
+					name.startsWith("[webpack.Progress] ")
+				) {
+					currentStatusMessage = [name.slice(19), ...args];
+					writeStatusMessage();
+				} else if (name === "[webpack.Progress]") {
+					currentStatusMessage = [...args];
+					writeStatusMessage();
+				} else {
+					currentStatusMessage = [name, ...args];
+					writeStatusMessage();
+				}
+		  }
+		: writeColored("<s> ", "", "")
+};
diff --git a/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js b/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js
new file mode 100644
index 00000000..e3a4c37e
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js
@@ -0,0 +1,87 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class AggressiveMergingPlugin {
+	constructor(options) {
+		if (
+			(options !== undefined && typeof options !== "object") ||
+			Array.isArray(options)
+		) {
+			throw new Error(
+				"Argument should be an options object. To use defaults, pass in nothing.\nFor more info on options, see https://webpack.js.org/plugins/"
+			);
+		}
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		const minSizeReduce = options.minSizeReduce || 1.5;
+
+		compiler.hooks.thisCompilation.tap(
+			"AggressiveMergingPlugin",
+			compilation => {
+				compilation.hooks.optimizeChunksAdvanced.tap(
+					"AggressiveMergingPlugin",
+					chunks => {
+						let combinations = [];
+						chunks.forEach((a, idx) => {
+							if (a.canBeInitial()) return;
+							for (let i = 0; i < idx; i++) {
+								const b = chunks[i];
+								if (b.canBeInitial()) continue;
+								combinations.push({
+									a,
+									b,
+									improvement: undefined
+								});
+							}
+						});
+
+						for (const pair of combinations) {
+							const a = pair.b.size({
+								chunkOverhead: 0
+							});
+							const b = pair.a.size({
+								chunkOverhead: 0
+							});
+							const ab = pair.b.integratedSize(pair.a, {
+								chunkOverhead: 0
+							});
+							let newSize;
+							if (ab === false) {
+								pair.improvement = false;
+								return;
+							} else {
+								newSize = ab;
+							}
+
+							pair.improvement = (a + b) / newSize;
+						}
+						combinations = combinations.filter(pair => {
+							return pair.improvement !== false;
+						});
+						combinations.sort((a, b) => {
+							return b.improvement - a.improvement;
+						});
+
+						const pair = combinations[0];
+
+						if (!pair) return;
+						if (pair.improvement < minSizeReduce) return;
+
+						if (pair.b.integrate(pair.a, "aggressive-merge")) {
+							chunks.splice(chunks.indexOf(pair.a), 1);
+							return true;
+						}
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = AggressiveMergingPlugin;
diff --git a/node_modules/webpack/lib/optimize/AggressiveSplittingPlugin.js b/node_modules/webpack/lib/optimize/AggressiveSplittingPlugin.js
new file mode 100644
index 00000000..38438785
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/AggressiveSplittingPlugin.js
@@ -0,0 +1,294 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const identifierUtils = require("../util/identifier");
+const { intersect } = require("../util/SetHelpers");
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/optimize/AggressiveSplittingPlugin.json");
+
+/** @typedef {import("../../declarations/plugins/optimize/AggressiveSplittingPlugin").AggressiveSplittingPluginOptions} AggressiveSplittingPluginOptions */
+
+const moveModuleBetween = (oldChunk, newChunk) => {
+	return module => {
+		oldChunk.moveModule(module, newChunk);
+	};
+};
+
+const isNotAEntryModule = entryModule => {
+	return module => {
+		return entryModule !== module;
+	};
+};
+
+class AggressiveSplittingPlugin {
+	/**
+	 * @param {AggressiveSplittingPluginOptions=} options options object
+	 */
+	constructor(options) {
+		if (!options) options = {};
+
+		validateOptions(schema, options, "Aggressive Splitting Plugin");
+
+		this.options = options;
+		if (typeof this.options.minSize !== "number") {
+			this.options.minSize = 30 * 1024;
+		}
+		if (typeof this.options.maxSize !== "number") {
+			this.options.maxSize = 50 * 1024;
+		}
+		if (typeof this.options.chunkOverhead !== "number") {
+			this.options.chunkOverhead = 0;
+		}
+		if (typeof this.options.entryChunkMultiplicator !== "number") {
+			this.options.entryChunkMultiplicator = 1;
+		}
+	}
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"AggressiveSplittingPlugin",
+			compilation => {
+				let needAdditionalSeal = false;
+				let newSplits;
+				let fromAggressiveSplittingSet;
+				let chunkSplitDataMap;
+				compilation.hooks.optimize.tap("AggressiveSplittingPlugin", () => {
+					newSplits = [];
+					fromAggressiveSplittingSet = new Set();
+					chunkSplitDataMap = new Map();
+				});
+				compilation.hooks.optimizeChunksAdvanced.tap(
+					"AggressiveSplittingPlugin",
+					chunks => {
+						// Precompute stuff
+						const nameToModuleMap = new Map();
+						const moduleToNameMap = new Map();
+						for (const m of compilation.modules) {
+							const name = identifierUtils.makePathsRelative(
+								compiler.context,
+								m.identifier(),
+								compilation.cache
+							);
+							nameToModuleMap.set(name, m);
+							moduleToNameMap.set(m, name);
+						}
+
+						// Check used chunk ids
+						const usedIds = new Set();
+						for (const chunk of chunks) {
+							usedIds.add(chunk.id);
+						}
+
+						const recordedSplits =
+							(compilation.records && compilation.records.aggressiveSplits) ||
+							[];
+						const usedSplits = newSplits
+							? recordedSplits.concat(newSplits)
+							: recordedSplits;
+
+						const minSize = this.options.minSize;
+						const maxSize = this.options.maxSize;
+
+						const applySplit = splitData => {
+							// Cannot split if id is already taken
+							if (splitData.id !== undefined && usedIds.has(splitData.id)) {
+								return false;
+							}
+
+							// Get module objects from names
+							const selectedModules = splitData.modules.map(name =>
+								nameToModuleMap.get(name)
+							);
+
+							// Does the modules exist at all?
+							if (!selectedModules.every(Boolean)) return false;
+
+							// Check if size matches (faster than waiting for hash)
+							const size = selectedModules.reduce(
+								(sum, m) => sum + m.size(),
+								0
+							);
+							if (size !== splitData.size) return false;
+
+							// get chunks with all modules
+							const selectedChunks = intersect(
+								selectedModules.map(m => new Set(m.chunksIterable))
+							);
+
+							// No relevant chunks found
+							if (selectedChunks.size === 0) return false;
+
+							// The found chunk is already the split or similar
+							if (
+								selectedChunks.size === 1 &&
+								Array.from(selectedChunks)[0].getNumberOfModules() ===
+									selectedModules.length
+							) {
+								const chunk = Array.from(selectedChunks)[0];
+								if (fromAggressiveSplittingSet.has(chunk)) return false;
+								fromAggressiveSplittingSet.add(chunk);
+								chunkSplitDataMap.set(chunk, splitData);
+								return true;
+							}
+
+							// split the chunk into two parts
+							const newChunk = compilation.addChunk();
+							newChunk.chunkReason = "aggressive splitted";
+							for (const chunk of selectedChunks) {
+								selectedModules.forEach(moveModuleBetween(chunk, newChunk));
+								chunk.split(newChunk);
+								chunk.name = null;
+							}
+							fromAggressiveSplittingSet.add(newChunk);
+							chunkSplitDataMap.set(newChunk, splitData);
+
+							if (splitData.id !== null && splitData.id !== undefined) {
+								newChunk.id = splitData.id;
+							}
+							return true;
+						};
+
+						// try to restore to recorded splitting
+						let changed = false;
+						for (let j = 0; j < usedSplits.length; j++) {
+							const splitData = usedSplits[j];
+							if (applySplit(splitData)) changed = true;
+						}
+
+						// for any chunk which isn't splitted yet, split it and create a new entry
+						// start with the biggest chunk
+						const sortedChunks = chunks.slice().sort((a, b) => {
+							const diff1 = b.modulesSize() - a.modulesSize();
+							if (diff1) return diff1;
+							const diff2 = a.getNumberOfModules() - b.getNumberOfModules();
+							if (diff2) return diff2;
+							const modulesA = Array.from(a.modulesIterable);
+							const modulesB = Array.from(b.modulesIterable);
+							modulesA.sort();
+							modulesB.sort();
+							const aI = modulesA[Symbol.iterator]();
+							const bI = modulesB[Symbol.iterator]();
+							// eslint-disable-next-line no-constant-condition
+							while (true) {
+								const aItem = aI.next();
+								const bItem = bI.next();
+								if (aItem.done) return 0;
+								const aModuleIdentifier = aItem.value.identifier();
+								const bModuleIdentifier = bItem.value.identifier();
+								if (aModuleIdentifier > bModuleIdentifier) return -1;
+								if (aModuleIdentifier < bModuleIdentifier) return 1;
+							}
+						});
+						for (const chunk of sortedChunks) {
+							if (fromAggressiveSplittingSet.has(chunk)) continue;
+							const size = chunk.modulesSize();
+							if (size > maxSize && chunk.getNumberOfModules() > 1) {
+								const modules = chunk
+									.getModules()
+									.filter(isNotAEntryModule(chunk.entryModule))
+									.sort((a, b) => {
+										a = a.identifier();
+										b = b.identifier();
+										if (a > b) return 1;
+										if (a < b) return -1;
+										return 0;
+									});
+								const selectedModules = [];
+								let selectedModulesSize = 0;
+								for (let k = 0; k < modules.length; k++) {
+									const module = modules[k];
+									const newSize = selectedModulesSize + module.size();
+									if (newSize > maxSize && selectedModulesSize >= minSize) {
+										break;
+									}
+									selectedModulesSize = newSize;
+									selectedModules.push(module);
+								}
+								if (selectedModules.length === 0) continue;
+								const splitData = {
+									modules: selectedModules
+										.map(m => moduleToNameMap.get(m))
+										.sort(),
+									size: selectedModulesSize
+								};
+
+								if (applySplit(splitData)) {
+									newSplits = (newSplits || []).concat(splitData);
+									changed = true;
+								}
+							}
+						}
+						if (changed) return true;
+					}
+				);
+				compilation.hooks.recordHash.tap(
+					"AggressiveSplittingPlugin",
+					records => {
+						// 4. save made splittings to records
+						const allSplits = new Set();
+						const invalidSplits = new Set();
+
+						// Check if some splittings are invalid
+						// We remove invalid splittings and try again
+						for (const chunk of compilation.chunks) {
+							const splitData = chunkSplitDataMap.get(chunk);
+							if (splitData !== undefined) {
+								if (splitData.hash && chunk.hash !== splitData.hash) {
+									// Split was successful, but hash doesn't equal
+									// We can throw away the split since it's useless now
+									invalidSplits.add(splitData);
+								}
+							}
+						}
+
+						if (invalidSplits.size > 0) {
+							records.aggressiveSplits = records.aggressiveSplits.filter(
+								splitData => !invalidSplits.has(splitData)
+							);
+							needAdditionalSeal = true;
+						} else {
+							// set hash and id values on all (new) splittings
+							for (const chunk of compilation.chunks) {
+								const splitData = chunkSplitDataMap.get(chunk);
+								if (splitData !== undefined) {
+									splitData.hash = chunk.hash;
+									splitData.id = chunk.id;
+									allSplits.add(splitData);
+									// set flag for stats
+									chunk.recorded = true;
+								}
+							}
+
+							// Also add all unused historial splits (after the used ones)
+							// They can still be used in some future compilation
+							const recordedSplits =
+								compilation.records && compilation.records.aggressiveSplits;
+							if (recordedSplits) {
+								for (const splitData of recordedSplits) {
+									if (!invalidSplits.has(splitData)) allSplits.add(splitData);
+								}
+							}
+
+							// record all splits
+							records.aggressiveSplits = Array.from(allSplits);
+
+							needAdditionalSeal = false;
+						}
+					}
+				);
+				compilation.hooks.needAdditionalSeal.tap(
+					"AggressiveSplittingPlugin",
+					() => {
+						if (needAdditionalSeal) {
+							needAdditionalSeal = false;
+							return true;
+						}
+					}
+				);
+			}
+		);
+	}
+}
+module.exports = AggressiveSplittingPlugin;
diff --git a/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js b/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js
new file mode 100644
index 00000000..9e3abd3b
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js
@@ -0,0 +1,66 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const sortByIndex = (a, b) => {
+	return a.index - b.index;
+};
+
+const sortByIndex2 = (a, b) => {
+	return a.index2 - b.index2;
+};
+
+class ChunkModuleIdRangePlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap("ChunkModuleIdRangePlugin", compilation => {
+			compilation.hooks.moduleIds.tap("ChunkModuleIdRangePlugin", modules => {
+				const chunk = compilation.chunks.find(
+					chunk => chunk.name === options.name
+				);
+				if (!chunk) {
+					throw new Error(
+						`ChunkModuleIdRangePlugin: Chunk with name '${options.name}"' was not found`
+					);
+				}
+
+				let chunkModules;
+				if (options.order) {
+					chunkModules = Array.from(chunk.modulesIterable);
+					switch (options.order) {
+						case "index":
+							chunkModules.sort(sortByIndex);
+							break;
+						case "index2":
+							chunkModules.sort(sortByIndex2);
+							break;
+						default:
+							throw new Error(
+								"ChunkModuleIdRangePlugin: unexpected value of order"
+							);
+					}
+				} else {
+					chunkModules = modules.filter(m => {
+						return m.chunksIterable.has(chunk);
+					});
+				}
+
+				let currentId = options.start || 0;
+				for (let i = 0; i < chunkModules.length; i++) {
+					const m = chunkModules[i];
+					if (m.id === null) {
+						m.id = currentId++;
+					}
+					if (options.end && currentId > options.end) break;
+				}
+			});
+		});
+	}
+}
+module.exports = ChunkModuleIdRangePlugin;
diff --git a/node_modules/webpack/lib/optimize/ConcatenatedModule.js b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
new file mode 100644
index 00000000..df4d216b
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
@@ -0,0 +1,1477 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Module = require("../Module");
+const Template = require("../Template");
+const Parser = require("../Parser");
+const eslintScope = require("eslint-scope");
+const { ConcatSource, ReplaceSource } = require("webpack-sources");
+const DependencyReference = require("../dependencies/DependencyReference");
+const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
+const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency");
+const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency");
+const HarmonyExportSpecifierDependency = require("../dependencies/HarmonyExportSpecifierDependency");
+const HarmonyExportExpressionDependency = require("../dependencies/HarmonyExportExpressionDependency");
+const HarmonyExportImportedSpecifierDependency = require("../dependencies/HarmonyExportImportedSpecifierDependency");
+const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency");
+const createHash = require("../util/createHash");
+
+/** @typedef {import("../Dependency")} Dependency */
+/** @typedef {import("../Compilation")} Compilation */
+/** @typedef {import("../util/createHash").Hash} Hash */
+/** @typedef {import("../RequestShortener")} RequestShortener */
+
+const joinIterableWithComma = iterable => {
+	// This is more performant than Array.from().join(", ")
+	// as it doesn't create an array
+	let str = "";
+	let first = true;
+	for (const item of iterable) {
+		if (first) {
+			first = false;
+		} else {
+			str += ", ";
+		}
+		str += item;
+	}
+	return str;
+};
+
+/**
+ * @typedef {Object} ConcatenationEntry
+ * @property {"concatenated" | "external"} type
+ * @property {Module} module
+ */
+
+const ensureNsObjSource = (
+	info,
+	moduleToInfoMap,
+	requestShortener,
+	strictHarmonyModule
+) => {
+	if (!info.hasNamespaceObject) {
+		info.hasNamespaceObject = true;
+		const name = info.exportMap.get(true);
+		const nsObj = [`var ${name} = {};`, `__webpack_require__.r(${name});`];
+		for (const exportName of info.module.buildMeta.providedExports) {
+			const finalName = getFinalName(
+				info,
+				exportName,
+				moduleToInfoMap,
+				requestShortener,
+				false,
+				strictHarmonyModule
+			);
+			nsObj.push(
+				`__webpack_require__.d(${name}, ${JSON.stringify(
+					exportName
+				)}, function() { return ${finalName}; });`
+			);
+		}
+		info.namespaceObjectSource = nsObj.join("\n") + "\n";
+	}
+};
+
+const getExternalImport = (
+	importedModule,
+	info,
+	exportName,
+	asCall,
+	strictHarmonyModule
+) => {
+	const used = importedModule.isUsed(exportName);
+	if (!used) return "/* unused reexport */undefined";
+	const comment =
+		used !== exportName ? ` ${Template.toNormalComment(exportName)}` : "";
+	switch (importedModule.buildMeta.exportsType) {
+		case "named":
+			if (exportName === "default") {
+				return info.name;
+			} else if (exportName === true) {
+				info.interopNamespaceObjectUsed = true;
+				return info.interopNamespaceObjectName;
+			} else {
+				break;
+			}
+		case "namespace":
+			if (exportName === true) {
+				return info.name;
+			} else {
+				break;
+			}
+		default:
+			if (strictHarmonyModule) {
+				if (exportName === "default") {
+					return info.name;
+				} else if (exportName === true) {
+					info.interopNamespaceObjectUsed = true;
+					return info.interopNamespaceObjectName;
+				} else {
+					return "/* non-default import from non-esm module */undefined";
+				}
+			} else {
+				if (exportName === "default") {
+					info.interopDefaultAccessUsed = true;
+					return asCall
+						? `${info.interopDefaultAccessName}()`
+						: `${info.interopDefaultAccessName}.a`;
+				} else if (exportName === true) {
+					return info.name;
+				} else {
+					break;
+				}
+			}
+	}
+	const reference = `${info.name}[${JSON.stringify(used)}${comment}]`;
+	if (asCall) return `Object(${reference})`;
+	return reference;
+};
+
+const getFinalName = (
+	info,
+	exportName,
+	moduleToInfoMap,
+	requestShortener,
+	asCall,
+	strictHarmonyModule,
+	alreadyVisited = new Set()
+) => {
+	switch (info.type) {
+		case "concatenated": {
+			const directExport = info.exportMap.get(exportName);
+			if (directExport) {
+				if (exportName === true) {
+					ensureNsObjSource(
+						info,
+						moduleToInfoMap,
+						requestShortener,
+						strictHarmonyModule
+					);
+				} else if (!info.module.isUsed(exportName)) {
+					return "/* unused export */ undefined";
+				}
+				if (info.globalExports.has(directExport)) {
+					return directExport;
+				}
+				const name = info.internalNames.get(directExport);
+				if (!name) {
+					throw new Error(
+						`The export "${directExport}" in "${info.module.readableIdentifier(
+							requestShortener
+						)}" has no internal name`
+					);
+				}
+				return name;
+			}
+			const reexport = info.reexportMap.get(exportName);
+			if (reexport) {
+				if (alreadyVisited.has(reexport)) {
+					throw new Error(
+						`Circular reexports ${Array.from(
+							alreadyVisited,
+							e =>
+								`"${e.module.readableIdentifier(requestShortener)}".${
+									e.exportName
+								}`
+						).join(
+							" --> "
+						)} -(circular)-> "${reexport.module.readableIdentifier(
+							requestShortener
+						)}".${reexport.exportName}`
+					);
+				}
+				alreadyVisited.add(reexport);
+				const refInfo = moduleToInfoMap.get(reexport.module);
+				if (refInfo) {
+					// module is in the concatenation
+					return getFinalName(
+						refInfo,
+						reexport.exportName,
+						moduleToInfoMap,
+						requestShortener,
+						asCall,
+						strictHarmonyModule,
+						alreadyVisited
+					);
+				}
+			}
+			const problem =
+				`Cannot get final name for export "${exportName}" in "${info.module.readableIdentifier(
+					requestShortener
+				)}"` +
+				` (known exports: ${Array.from(info.exportMap.keys())
+					.filter(name => name !== true)
+					.join(" ")}, ` +
+				`known reexports: ${Array.from(info.reexportMap.keys()).join(" ")})`;
+			return `${Template.toNormalComment(problem)} undefined`;
+		}
+		case "external": {
+			const importedModule = info.module;
+			return getExternalImport(
+				importedModule,
+				info,
+				exportName,
+				asCall,
+				strictHarmonyModule
+			);
+		}
+	}
+};
+
+const addScopeSymbols1 = (s, nameSet, scopeSet) => {
+	let scope = s;
+	while (scope) {
+		if (scopeSet.has(scope)) break;
+		scopeSet.add(scope);
+		for (const variable of scope.variables) {
+			nameSet.add(variable.name);
+		}
+		scope = scope.upper;
+	}
+};
+
+const addScopeSymbols2 = (s, nameSet, scopeSet1, scopeSet2) => {
+	let scope = s;
+	while (scope) {
+		if (scopeSet1.has(scope)) break;
+		if (scopeSet2.has(scope)) break;
+		scopeSet1.add(scope);
+		for (const variable of scope.variables) {
+			nameSet.add(variable.name);
+		}
+		scope = scope.upper;
+	}
+};
+
+const getAllReferences = variable => {
+	let set = variable.references;
+	// Look for inner scope variables too (like in class Foo { t() { Foo } })
+	const identifiers = new Set(variable.identifiers);
+	for (const scope of variable.scope.childScopes) {
+		for (const innerVar of scope.variables) {
+			if (innerVar.identifiers.some(id => identifiers.has(id))) {
+				set = set.concat(innerVar.references);
+				break;
+			}
+		}
+	}
+	return set;
+};
+
+const getPathInAst = (ast, node) => {
+	if (ast === node) {
+		return [];
+	}
+
+	const nr = node.range;
+
+	const enterNode = n => {
+		if (!n) return undefined;
+		const r = n.range;
+		if (r) {
+			if (r[0] <= nr[0] && r[1] >= nr[1]) {
+				const path = getPathInAst(n, node);
+				if (path) {
+					path.push(n);
+					return path;
+				}
+			}
+		}
+		return undefined;
+	};
+
+	var i;
+	if (Array.isArray(ast)) {
+		for (i = 0; i < ast.length; i++) {
+			const enterResult = enterNode(ast[i]);
+			if (enterResult !== undefined) return enterResult;
+		}
+	} else if (ast && typeof ast === "object") {
+		const keys = Object.keys(ast);
+		for (i = 0; i < keys.length; i++) {
+			const value = ast[keys[i]];
+			if (Array.isArray(value)) {
+				const pathResult = getPathInAst(value, node);
+				if (pathResult !== undefined) return pathResult;
+			} else if (value && typeof value === "object") {
+				const enterResult = enterNode(value);
+				if (enterResult !== undefined) return enterResult;
+			}
+		}
+	}
+};
+
+const getHarmonyExportImportedSpecifierDependencyExports = dep => {
+	const importModule = dep._module;
+	if (!importModule) return [];
+	if (dep._id) {
+		// export { named } from "module"
+		return [
+			{
+				name: dep.name,
+				id: dep._id,
+				module: importModule
+			}
+		];
+	}
+	if (dep.name) {
+		// export * as abc from "module"
+		return [
+			{
+				name: dep.name,
+				id: true,
+				module: importModule
+			}
+		];
+	}
+	// export * from "module"
+	return importModule.buildMeta.providedExports
+		.filter(exp => exp !== "default" && !dep.activeExports.has(exp))
+		.map(exp => {
+			return {
+				name: exp,
+				id: exp,
+				module: importModule
+			};
+		});
+};
+
+class ConcatenatedModule extends Module {
+	constructor(rootModule, modules, concatenationList) {
+		super("javascript/esm", null);
+		super.setChunks(rootModule._chunks);
+
+		// Info from Factory
+		this.rootModule = rootModule;
+		this.factoryMeta = rootModule.factoryMeta;
+
+		// Info from Compilation
+		this.index = rootModule.index;
+		this.index2 = rootModule.index2;
+		this.depth = rootModule.depth;
+
+		// Info from Optimization
+		this.used = rootModule.used;
+		this.usedExports = rootModule.usedExports;
+
+		// Info from Build
+		this.buildInfo = {
+			strict: true,
+			cacheable: modules.every(m => m.buildInfo.cacheable),
+			moduleArgument: rootModule.buildInfo.moduleArgument,
+			exportsArgument: rootModule.buildInfo.exportsArgument,
+			fileDependencies: new Set(),
+			contextDependencies: new Set(),
+			assets: undefined
+		};
+		this.built = modules.some(m => m.built);
+		this.buildMeta = rootModule.buildMeta;
+
+		// Caching
+		this._numberOfConcatenatedModules = modules.length;
+
+		// Graph
+		const modulesSet = new Set(modules);
+		this.reasons = rootModule.reasons.filter(
+			reason =>
+				!(reason.dependency instanceof HarmonyImportDependency) ||
+				!modulesSet.has(reason.module)
+		);
+
+		this.dependencies = [];
+		this.blocks = [];
+
+		this.warnings = [];
+		this.errors = [];
+		this._orderedConcatenationList =
+			concatenationList ||
+			ConcatenatedModule.createConcatenationList(rootModule, modulesSet, null);
+		for (const info of this._orderedConcatenationList) {
+			if (info.type === "concatenated") {
+				const m = info.module;
+
+				// populate dependencies
+				for (const d of m.dependencies.filter(
+					dep =>
+						!(dep instanceof HarmonyImportDependency) ||
+						!modulesSet.has(dep._module)
+				)) {
+					this.dependencies.push(d);
+				}
+				// populate blocks
+				for (const d of m.blocks) {
+					this.blocks.push(d);
+				}
+				// populate file dependencies
+				if (m.buildInfo.fileDependencies) {
+					for (const file of m.buildInfo.fileDependencies) {
+						this.buildInfo.fileDependencies.add(file);
+					}
+				}
+				// populate context dependencies
+				if (m.buildInfo.contextDependencies) {
+					for (const context of m.buildInfo.contextDependencies) {
+						this.buildInfo.contextDependencies.add(context);
+					}
+				}
+				// populate warnings
+				for (const warning of m.warnings) {
+					this.warnings.push(warning);
+				}
+				// populate errors
+				for (const error of m.errors) {
+					this.errors.push(error);
+				}
+
+				if (m.buildInfo.assets) {
+					if (this.buildInfo.assets === undefined) {
+						this.buildInfo.assets = Object.create(null);
+					}
+					Object.assign(this.buildInfo.assets, m.buildInfo.assets);
+				}
+				if (m.buildInfo.assetsInfo) {
+					if (this.buildInfo.assetsInfo === undefined) {
+						this.buildInfo.assetsInfo = new Map();
+					}
+					for (const [key, value] of m.buildInfo.assetsInfo) {
+						this.buildInfo.assetsInfo.set(key, value);
+					}
+				}
+			}
+		}
+		this._identifier = this._createIdentifier();
+	}
+
+	get modules() {
+		return this._orderedConcatenationList
+			.filter(info => info.type === "concatenated")
+			.map(info => info.module);
+	}
+
+	identifier() {
+		return this._identifier;
+	}
+
+	readableIdentifier(requestShortener) {
+		return (
+			this.rootModule.readableIdentifier(requestShortener) +
+			` + ${this._numberOfConcatenatedModules - 1} modules`
+		);
+	}
+
+	libIdent(options) {
+		return this.rootModule.libIdent(options);
+	}
+
+	nameForCondition() {
+		return this.rootModule.nameForCondition();
+	}
+
+	build(options, compilation, resolver, fs, callback) {
+		throw new Error("Cannot build this module. It should be already built.");
+	}
+
+	size() {
+		// Guess size from embedded modules
+		return this._orderedConcatenationList.reduce((sum, info) => {
+			switch (info.type) {
+				case "concatenated":
+					return sum + info.module.size();
+				case "external":
+					return sum + 5;
+			}
+			return sum;
+		}, 0);
+	}
+
+	/**
+	 * @param {Module} rootModule the root of the concatenation
+	 * @param {Set<Module>} modulesSet a set of modules which should be concatenated
+	 * @param {Compilation} compilation the compilation context
+	 * @returns {ConcatenationEntry[]} concatenation list
+	 */
+	static createConcatenationList(rootModule, modulesSet, compilation) {
+		const list = [];
+		const set = new Set();
+
+		/**
+		 * @param {Module} module a module
+		 * @returns {(function(): Module)[]} imported modules in order
+		 */
+		const getConcatenatedImports = module => {
+			/** @type {WeakMap<DependencyReference, Dependency>} */
+			const map = new WeakMap();
+			const references = module.dependencies
+				.filter(dep => dep instanceof HarmonyImportDependency)
+				.map(dep => {
+					const ref = compilation.getDependencyReference(module, dep);
+					if (ref) map.set(ref, dep);
+					return ref;
+				})
+				.filter(ref => ref);
+			DependencyReference.sort(references);
+			// TODO webpack 5: remove this hack, see also DependencyReference
+			return references.map(ref => {
+				const dep = map.get(ref);
+				return () => compilation.getDependencyReference(module, dep).module;
+			});
+		};
+
+		const enterModule = getModule => {
+			const module = getModule();
+			if (!module) return;
+			if (set.has(module)) return;
+			set.add(module);
+			if (modulesSet.has(module)) {
+				const imports = getConcatenatedImports(module);
+				imports.forEach(enterModule);
+				list.push({
+					type: "concatenated",
+					module
+				});
+			} else {
+				list.push({
+					type: "external",
+					get module() {
+						// We need to use a getter here, because the module in the dependency
+						// could be replaced by some other process (i. e. also replaced with a
+						// concatenated module)
+						return getModule();
+					}
+				});
+			}
+		};
+
+		enterModule(() => rootModule);
+
+		return list;
+	}
+
+	_createIdentifier() {
+		let orderedConcatenationListIdentifiers = "";
+		for (let i = 0; i < this._orderedConcatenationList.length; i++) {
+			if (this._orderedConcatenationList[i].type === "concatenated") {
+				orderedConcatenationListIdentifiers += this._orderedConcatenationList[
+					i
+				].module.identifier();
+				orderedConcatenationListIdentifiers += " ";
+			}
+		}
+		const hash = createHash("md4");
+		hash.update(orderedConcatenationListIdentifiers);
+		return this.rootModule.identifier() + " " + hash.digest("hex");
+	}
+
+	source(dependencyTemplates, runtimeTemplate) {
+		const requestShortener = runtimeTemplate.requestShortener;
+		// Metainfo for each module
+		const modulesWithInfo = this._orderedConcatenationList.map((info, idx) => {
+			switch (info.type) {
+				case "concatenated": {
+					const exportMap = new Map();
+					const reexportMap = new Map();
+					for (const dep of info.module.dependencies) {
+						if (dep instanceof HarmonyExportSpecifierDependency) {
+							if (!exportMap.has(dep.name)) {
+								exportMap.set(dep.name, dep.id);
+							}
+						} else if (dep instanceof HarmonyExportExpressionDependency) {
+							if (!exportMap.has("default")) {
+								exportMap.set("default", "__WEBPACK_MODULE_DEFAULT_EXPORT__");
+							}
+						} else if (
+							dep instanceof HarmonyExportImportedSpecifierDependency
+						) {
+							const exportName = dep.name;
+							const importName = dep._id;
+							const importedModule = dep._module;
+							if (exportName && importName) {
+								if (!reexportMap.has(exportName)) {
+									reexportMap.set(exportName, {
+										module: importedModule,
+										exportName: importName,
+										dependency: dep
+									});
+								}
+							} else if (exportName) {
+								if (!reexportMap.has(exportName)) {
+									reexportMap.set(exportName, {
+										module: importedModule,
+										exportName: true,
+										dependency: dep
+									});
+								}
+							} else if (importedModule) {
+								for (const name of importedModule.buildMeta.providedExports) {
+									if (dep.activeExports.has(name) || name === "default") {
+										continue;
+									}
+									if (!reexportMap.has(name)) {
+										reexportMap.set(name, {
+											module: importedModule,
+											exportName: name,
+											dependency: dep
+										});
+									}
+								}
+							}
+						}
+					}
+					return {
+						type: "concatenated",
+						module: info.module,
+						index: idx,
+						ast: undefined,
+						internalSource: undefined,
+						source: undefined,
+						globalScope: undefined,
+						moduleScope: undefined,
+						internalNames: new Map(),
+						globalExports: new Set(),
+						exportMap: exportMap,
+						reexportMap: reexportMap,
+						hasNamespaceObject: false,
+						namespaceObjectSource: null
+					};
+				}
+				case "external":
+					return {
+						type: "external",
+						module: info.module,
+						index: idx,
+						name: undefined,
+						interopNamespaceObjectUsed: false,
+						interopNamespaceObjectName: undefined,
+						interopDefaultAccessUsed: false,
+						interopDefaultAccessName: undefined
+					};
+				default:
+					throw new Error(`Unsupported concatenation entry type ${info.type}`);
+			}
+		});
+
+		// Create mapping from module to info
+		const moduleToInfoMap = new Map();
+		for (const m of modulesWithInfo) {
+			moduleToInfoMap.set(m.module, m);
+		}
+
+		// Configure template decorators for dependencies
+		const innerDependencyTemplates = new Map(dependencyTemplates);
+
+		innerDependencyTemplates.set(
+			HarmonyImportSpecifierDependency,
+			new HarmonyImportSpecifierDependencyConcatenatedTemplate(
+				dependencyTemplates.get(HarmonyImportSpecifierDependency),
+				moduleToInfoMap
+			)
+		);
+		innerDependencyTemplates.set(
+			HarmonyImportSideEffectDependency,
+			new HarmonyImportSideEffectDependencyConcatenatedTemplate(
+				dependencyTemplates.get(HarmonyImportSideEffectDependency),
+				moduleToInfoMap
+			)
+		);
+		innerDependencyTemplates.set(
+			HarmonyExportSpecifierDependency,
+			new NullTemplate()
+		);
+		innerDependencyTemplates.set(
+			HarmonyExportExpressionDependency,
+			new HarmonyExportExpressionDependencyConcatenatedTemplate(
+				dependencyTemplates.get(HarmonyExportExpressionDependency),
+				this.rootModule
+			)
+		);
+		innerDependencyTemplates.set(
+			HarmonyExportImportedSpecifierDependency,
+			new NullTemplate()
+		);
+		innerDependencyTemplates.set(
+			HarmonyCompatibilityDependency,
+			new NullTemplate()
+		);
+
+		// Must use full identifier in our cache here to ensure that the source
+		// is updated should our dependencies list change.
+		// TODO webpack 5 refactor
+		innerDependencyTemplates.set(
+			"hash",
+			innerDependencyTemplates.get("hash") + this.identifier()
+		);
+
+		// Generate source code and analyse scopes
+		// Prepare a ReplaceSource for the final source
+		for (const info of modulesWithInfo) {
+			if (info.type === "concatenated") {
+				const m = info.module;
+				const source = m.source(innerDependencyTemplates, runtimeTemplate);
+				const code = source.source();
+				let ast;
+				try {
+					ast = Parser.parse(code, {
+						sourceType: "module"
+					});
+				} catch (err) {
+					if (
+						err.loc &&
+						typeof err.loc === "object" &&
+						typeof err.loc.line === "number"
+					) {
+						const lineNumber = err.loc.line;
+						const lines = code.split("\n");
+						err.message +=
+							"\n| " +
+							lines
+								.slice(Math.max(0, lineNumber - 3), lineNumber + 2)
+								.join("\n| ");
+					}
+					throw err;
+				}
+				const scopeManager = eslintScope.analyze(ast, {
+					ecmaVersion: 6,
+					sourceType: "module",
+					optimistic: true,
+					ignoreEval: true,
+					impliedStrict: true
+				});
+				const globalScope = scopeManager.acquire(ast);
+				const moduleScope = globalScope.childScopes[0];
+				const resultSource = new ReplaceSource(source);
+				info.ast = ast;
+				info.internalSource = source;
+				info.source = resultSource;
+				info.globalScope = globalScope;
+				info.moduleScope = moduleScope;
+			}
+		}
+
+		// List of all used names to avoid conflicts
+		const allUsedNames = new Set([
+			"__WEBPACK_MODULE_DEFAULT_EXPORT__", // avoid using this internal name
+
+			"abstract",
+			"arguments",
+			"async",
+			"await",
+			"boolean",
+			"break",
+			"byte",
+			"case",
+			"catch",
+			"char",
+			"class",
+			"const",
+			"continue",
+			"debugger",
+			"default",
+			"delete",
+			"do",
+			"double",
+			"else",
+			"enum",
+			"eval",
+			"export",
+			"extends",
+			"false",
+			"final",
+			"finally",
+			"float",
+			"for",
+			"function",
+			"goto",
+			"if",
+			"implements",
+			"import",
+			"in",
+			"instanceof",
+			"int",
+			"interface",
+			"let",
+			"long",
+			"native",
+			"new",
+			"null",
+			"package",
+			"private",
+			"protected",
+			"public",
+			"return",
+			"short",
+			"static",
+			"super",
+			"switch",
+			"synchronized",
+			"this",
+			"throw",
+			"throws",
+			"transient",
+			"true",
+			"try",
+			"typeof",
+			"var",
+			"void",
+			"volatile",
+			"while",
+			"with",
+			"yield",
+
+			"module",
+			"__dirname",
+			"__filename",
+			"exports",
+
+			"Array",
+			"Date",
+			"eval",
+			"function",
+			"hasOwnProperty",
+			"Infinity",
+			"isFinite",
+			"isNaN",
+			"isPrototypeOf",
+			"length",
+			"Math",
+			"NaN",
+			"name",
+			"Number",
+			"Object",
+			"prototype",
+			"String",
+			"toString",
+			"undefined",
+			"valueOf",
+
+			"alert",
+			"all",
+			"anchor",
+			"anchors",
+			"area",
+			"assign",
+			"blur",
+			"button",
+			"checkbox",
+			"clearInterval",
+			"clearTimeout",
+			"clientInformation",
+			"close",
+			"closed",
+			"confirm",
+			"constructor",
+			"crypto",
+			"decodeURI",
+			"decodeURIComponent",
+			"defaultStatus",
+			"document",
+			"element",
+			"elements",
+			"embed",
+			"embeds",
+			"encodeURI",
+			"encodeURIComponent",
+			"escape",
+			"event",
+			"fileUpload",
+			"focus",
+			"form",
+			"forms",
+			"frame",
+			"innerHeight",
+			"innerWidth",
+			"layer",
+			"layers",
+			"link",
+			"location",
+			"mimeTypes",
+			"navigate",
+			"navigator",
+			"frames",
+			"frameRate",
+			"hidden",
+			"history",
+			"image",
+			"images",
+			"offscreenBuffering",
+			"open",
+			"opener",
+			"option",
+			"outerHeight",
+			"outerWidth",
+			"packages",
+			"pageXOffset",
+			"pageYOffset",
+			"parent",
+			"parseFloat",
+			"parseInt",
+			"password",
+			"pkcs11",
+			"plugin",
+			"prompt",
+			"propertyIsEnum",
+			"radio",
+			"reset",
+			"screenX",
+			"screenY",
+			"scroll",
+			"secure",
+			"select",
+			"self",
+			"setInterval",
+			"setTimeout",
+			"status",
+			"submit",
+			"taint",
+			"text",
+			"textarea",
+			"top",
+			"unescape",
+			"untaint",
+			"window",
+
+			"onblur",
+			"onclick",
+			"onerror",
+			"onfocus",
+			"onkeydown",
+			"onkeypress",
+			"onkeyup",
+			"onmouseover",
+			"onload",
+			"onmouseup",
+			"onmousedown",
+			"onsubmit"
+		]);
+
+		// Set of already checked scopes
+		const alreadyCheckedScopes = new Set();
+
+		// get all global names
+		for (const info of modulesWithInfo) {
+			const superClassExpressions = [];
+
+			// ignore symbols from moduleScope
+			if (info.moduleScope) {
+				alreadyCheckedScopes.add(info.moduleScope);
+
+				// The super class expression in class scopes behaves weird
+				// We store ranges of all super class expressions to make
+				// renaming to work correctly
+				for (const childScope of info.moduleScope.childScopes) {
+					if (childScope.type !== "class") continue;
+					if (!childScope.block.superClass) continue;
+					superClassExpressions.push({
+						range: childScope.block.superClass.range,
+						variables: childScope.variables
+					});
+				}
+			}
+
+			// add global symbols
+			if (info.globalScope) {
+				for (const reference of info.globalScope.through) {
+					const name = reference.identifier.name;
+					if (
+						/^__WEBPACK_MODULE_REFERENCE__\d+_([\da-f]+|ns)(_call)?(_strict)?__$/.test(
+							name
+						)
+					) {
+						for (const expr of superClassExpressions) {
+							if (
+								expr.range[0] <= reference.identifier.range[0] &&
+								expr.range[1] >= reference.identifier.range[1]
+							) {
+								for (const variable of expr.variables) {
+									allUsedNames.add(variable.name);
+								}
+							}
+						}
+						addScopeSymbols1(
+							reference.from,
+							allUsedNames,
+							alreadyCheckedScopes
+						);
+					} else {
+						allUsedNames.add(name);
+					}
+				}
+			}
+
+			// add exported globals
+			if (info.type === "concatenated") {
+				const variables = new Set();
+				for (const variable of info.moduleScope.variables) {
+					variables.add(variable.name);
+				}
+				for (const [, variable] of info.exportMap) {
+					if (!variables.has(variable)) {
+						info.globalExports.add(variable);
+					}
+				}
+			}
+		}
+
+		// generate names for symbols
+		for (const info of modulesWithInfo) {
+			switch (info.type) {
+				case "concatenated": {
+					const namespaceObjectName = this.findNewName(
+						"namespaceObject",
+						allUsedNames,
+						null,
+						info.module.readableIdentifier(requestShortener)
+					);
+					allUsedNames.add(namespaceObjectName);
+					info.internalNames.set(namespaceObjectName, namespaceObjectName);
+					info.exportMap.set(true, namespaceObjectName);
+					for (const variable of info.moduleScope.variables) {
+						const name = variable.name;
+						if (allUsedNames.has(name)) {
+							const references = getAllReferences(variable);
+							const symbolsInReferences = new Set();
+							const alreadyCheckedInnerScopes = new Set();
+							for (const ref of references) {
+								addScopeSymbols2(
+									ref.from,
+									symbolsInReferences,
+									alreadyCheckedInnerScopes,
+									alreadyCheckedScopes
+								);
+							}
+							const newName = this.findNewName(
+								name,
+								allUsedNames,
+								symbolsInReferences,
+								info.module.readableIdentifier(requestShortener)
+							);
+							allUsedNames.add(newName);
+							info.internalNames.set(name, newName);
+							const source = info.source;
+							const allIdentifiers = new Set(
+								references.map(r => r.identifier).concat(variable.identifiers)
+							);
+							for (const identifier of allIdentifiers) {
+								const r = identifier.range;
+								const path = getPathInAst(info.ast, identifier);
+								if (
+									path &&
+									path.length > 1 &&
+									path[1].type === "Property" &&
+									path[1].shorthand
+								) {
+									source.insert(r[1], `: ${newName}`);
+								} else {
+									source.replace(r[0], r[1] - 1, newName);
+								}
+							}
+						} else {
+							allUsedNames.add(name);
+							info.internalNames.set(name, name);
+						}
+					}
+					break;
+				}
+				case "external": {
+					const externalName = this.findNewName(
+						"",
+						allUsedNames,
+						null,
+						info.module.readableIdentifier(requestShortener)
+					);
+					allUsedNames.add(externalName);
+					info.name = externalName;
+					if (
+						info.module.buildMeta.exportsType === "named" ||
+						!info.module.buildMeta.exportsType
+					) {
+						const externalNameInterop = this.findNewName(
+							"namespaceObject",
+							allUsedNames,
+							null,
+							info.module.readableIdentifier(requestShortener)
+						);
+						allUsedNames.add(externalNameInterop);
+						info.interopNamespaceObjectName = externalNameInterop;
+					}
+					if (!info.module.buildMeta.exportsType) {
+						const externalNameInterop = this.findNewName(
+							"default",
+							allUsedNames,
+							null,
+							info.module.readableIdentifier(requestShortener)
+						);
+						allUsedNames.add(externalNameInterop);
+						info.interopDefaultAccessName = externalNameInterop;
+					}
+					break;
+				}
+			}
+		}
+
+		// Find and replace referenced to modules
+		for (const info of modulesWithInfo) {
+			if (info.type === "concatenated") {
+				for (const reference of info.globalScope.through) {
+					const name = reference.identifier.name;
+					const match = /^__WEBPACK_MODULE_REFERENCE__(\d+)_([\da-f]+|ns)(_call)?(_strict)?__$/.exec(
+						name
+					);
+					if (match) {
+						const referencedModule = modulesWithInfo[+match[1]];
+						let exportName;
+						if (match[2] === "ns") {
+							exportName = true;
+						} else {
+							const exportData = match[2];
+							exportName = Buffer.from(exportData, "hex").toString("utf-8");
+						}
+						const asCall = !!match[3];
+						const strictHarmonyModule = !!match[4];
+						const finalName = getFinalName(
+							referencedModule,
+							exportName,
+							moduleToInfoMap,
+							requestShortener,
+							asCall,
+							strictHarmonyModule
+						);
+						const r = reference.identifier.range;
+						const source = info.source;
+						source.replace(r[0], r[1] - 1, finalName);
+					}
+				}
+			}
+		}
+
+		// Map with all root exposed used exports
+		/** @type {Map<string, function(RequestShortener): string>} */
+		const exportsMap = new Map();
+
+		// Set with all root exposed unused exports
+		/** @type {Set<string>} */
+		const unusedExports = new Set();
+
+		for (const dep of this.rootModule.dependencies) {
+			if (dep instanceof HarmonyExportSpecifierDependency) {
+				const used = this.rootModule.isUsed(dep.name);
+				if (used) {
+					const info = moduleToInfoMap.get(this.rootModule);
+					if (!exportsMap.has(used)) {
+						exportsMap.set(
+							used,
+							() => `/* binding */ ${info.internalNames.get(dep.id)}`
+						);
+					}
+				} else {
+					unusedExports.add(dep.name || "namespace");
+				}
+			} else if (dep instanceof HarmonyExportImportedSpecifierDependency) {
+				const exportDefs = getHarmonyExportImportedSpecifierDependencyExports(
+					dep
+				);
+				for (const def of exportDefs) {
+					const info = moduleToInfoMap.get(def.module);
+					const used = dep.originModule.isUsed(def.name);
+					if (used) {
+						if (!exportsMap.has(used)) {
+							exportsMap.set(used, requestShortener => {
+								const finalName = getFinalName(
+									info,
+									def.id,
+									moduleToInfoMap,
+									requestShortener,
+									false,
+									this.rootModule.buildMeta.strictHarmonyModule
+								);
+								return `/* reexport */ ${finalName}`;
+							});
+						}
+					} else {
+						unusedExports.add(def.name);
+					}
+				}
+			}
+		}
+
+		const result = new ConcatSource();
+
+		// add harmony compatibility flag (must be first because of possible circular dependencies)
+		const usedExports = this.rootModule.usedExports;
+		if (usedExports === true || usedExports === null) {
+			result.add(`// ESM COMPAT FLAG\n`);
+			result.add(
+				runtimeTemplate.defineEsModuleFlagStatement({
+					exportsArgument: this.exportsArgument
+				})
+			);
+		}
+
+		// define exports
+		if (exportsMap.size > 0) {
+			result.add(`\n// EXPORTS\n`);
+			for (const [key, value] of exportsMap) {
+				result.add(
+					`__webpack_require__.d(${this.exportsArgument}, ${JSON.stringify(
+						key
+					)}, function() { return ${value(requestShortener)}; });\n`
+				);
+			}
+		}
+
+		// list unused exports
+		if (unusedExports.size > 0) {
+			result.add(
+				`\n// UNUSED EXPORTS: ${joinIterableWithComma(unusedExports)}\n`
+			);
+		}
+
+		// define required namespace objects (must be before evaluation modules)
+		for (const info of modulesWithInfo) {
+			if (info.namespaceObjectSource) {
+				result.add(
+					`\n// NAMESPACE OBJECT: ${info.module.readableIdentifier(
+						requestShortener
+					)}\n`
+				);
+				result.add(info.namespaceObjectSource);
+			}
+		}
+
+		// evaluate modules in order
+		for (const info of modulesWithInfo) {
+			switch (info.type) {
+				case "concatenated":
+					result.add(
+						`\n// CONCATENATED MODULE: ${info.module.readableIdentifier(
+							requestShortener
+						)}\n`
+					);
+					result.add(info.source);
+					break;
+				case "external":
+					result.add(
+						`\n// EXTERNAL MODULE: ${info.module.readableIdentifier(
+							requestShortener
+						)}\n`
+					);
+					result.add(
+						`var ${info.name} = __webpack_require__(${JSON.stringify(
+							info.module.id
+						)});\n`
+					);
+					if (info.interopNamespaceObjectUsed) {
+						if (info.module.buildMeta.exportsType === "named") {
+							result.add(
+								`var ${info.interopNamespaceObjectName} = /*#__PURE__*/__webpack_require__.t(${info.name}, 2);\n`
+							);
+						} else if (!info.module.buildMeta.exportsType) {
+							result.add(
+								`var ${info.interopNamespaceObjectName} = /*#__PURE__*/__webpack_require__.t(${info.name});\n`
+							);
+						}
+					}
+					if (info.interopDefaultAccessUsed) {
+						result.add(
+							`var ${info.interopDefaultAccessName} = /*#__PURE__*/__webpack_require__.n(${info.name});\n`
+						);
+					}
+					break;
+				default:
+					throw new Error(`Unsupported concatenation entry type ${info.type}`);
+			}
+		}
+
+		return result;
+	}
+
+	findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
+		let name = oldName;
+
+		if (name === "__WEBPACK_MODULE_DEFAULT_EXPORT__") name = "";
+
+		// Remove uncool stuff
+		extraInfo = extraInfo.replace(
+			/\.+\/|(\/index)?\.([a-zA-Z0-9]{1,4})($|\s|\?)|\s*\+\s*\d+\s*modules/g,
+			""
+		);
+
+		const splittedInfo = extraInfo.split("/");
+		while (splittedInfo.length) {
+			name = splittedInfo.pop() + (name ? "_" + name : "");
+			const nameIdent = Template.toIdentifier(name);
+			if (
+				!usedNamed1.has(nameIdent) &&
+				(!usedNamed2 || !usedNamed2.has(nameIdent))
+			)
+				return nameIdent;
+		}
+
+		let i = 0;
+		let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
+		while (
+			usedNamed1.has(nameWithNumber) ||
+			(usedNamed2 && usedNamed2.has(nameWithNumber))
+		) {
+			i++;
+			nameWithNumber = Template.toIdentifier(`${name}_${i}`);
+		}
+		return nameWithNumber;
+	}
+
+	/**
+	 * @param {Hash} hash the hash used to track dependencies
+	 * @returns {void}
+	 */
+	updateHash(hash) {
+		for (const info of this._orderedConcatenationList) {
+			switch (info.type) {
+				case "concatenated":
+					info.module.updateHash(hash);
+					break;
+				case "external":
+					hash.update(`${info.module.id}`);
+					break;
+			}
+		}
+		super.updateHash(hash);
+	}
+}
+
+class HarmonyImportSpecifierDependencyConcatenatedTemplate {
+	constructor(originalTemplate, modulesMap) {
+		this.originalTemplate = originalTemplate;
+		this.modulesMap = modulesMap;
+	}
+
+	getHarmonyInitOrder(dep) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			return this.originalTemplate.getHarmonyInitOrder(dep);
+		}
+		return NaN;
+	}
+
+	harmonyInit(dep, source, runtimeTemplate, dependencyTemplates) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			this.originalTemplate.harmonyInit(
+				dep,
+				source,
+				runtimeTemplate,
+				dependencyTemplates
+			);
+			return;
+		}
+	}
+
+	apply(dep, source, runtime, dependencyTemplates) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			this.originalTemplate.apply(dep, source, runtime, dependencyTemplates);
+			return;
+		}
+		let content;
+		const callFlag = dep.call ? "_call" : "";
+		const strictFlag = dep.originModule.buildMeta.strictHarmonyModule
+			? "_strict"
+			: "";
+		if (dep._id === null) {
+			content = `__WEBPACK_MODULE_REFERENCE__${info.index}_ns${strictFlag}__`;
+		} else if (dep.namespaceObjectAsContext) {
+			content = `__WEBPACK_MODULE_REFERENCE__${
+				info.index
+			}_ns${strictFlag}__[${JSON.stringify(dep._id)}]`;
+		} else {
+			const exportData = Buffer.from(dep._id, "utf-8").toString("hex");
+			content = `__WEBPACK_MODULE_REFERENCE__${info.index}_${exportData}${callFlag}${strictFlag}__`;
+		}
+		if (dep.shorthand) {
+			content = dep.name + ": " + content;
+		}
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+}
+
+class HarmonyImportSideEffectDependencyConcatenatedTemplate {
+	constructor(originalTemplate, modulesMap) {
+		this.originalTemplate = originalTemplate;
+		this.modulesMap = modulesMap;
+	}
+
+	getHarmonyInitOrder(dep) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			return this.originalTemplate.getHarmonyInitOrder(dep);
+		}
+		return NaN;
+	}
+
+	harmonyInit(dep, source, runtime, dependencyTemplates) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			this.originalTemplate.harmonyInit(
+				dep,
+				source,
+				runtime,
+				dependencyTemplates
+			);
+			return;
+		}
+	}
+
+	apply(dep, source, runtime, dependencyTemplates) {
+		const module = dep._module;
+		const info = this.modulesMap.get(module);
+		if (!info) {
+			this.originalTemplate.apply(dep, source, runtime, dependencyTemplates);
+			return;
+		}
+	}
+}
+
+class HarmonyExportExpressionDependencyConcatenatedTemplate {
+	constructor(originalTemplate, rootModule) {
+		this.originalTemplate = originalTemplate;
+		this.rootModule = rootModule;
+	}
+
+	apply(dep, source, runtime, dependencyTemplates) {
+		let content =
+			"/* harmony default export */ var __WEBPACK_MODULE_DEFAULT_EXPORT__ = ";
+		if (dep.originModule === this.rootModule) {
+			const used = dep.originModule.isUsed("default");
+			const exportsName = dep.originModule.exportsArgument;
+			if (used) content += `${exportsName}[${JSON.stringify(used)}] = `;
+		}
+
+		if (dep.range) {
+			source.replace(
+				dep.rangeStatement[0],
+				dep.range[0] - 1,
+				content + "(" + dep.prefix
+			);
+			source.replace(dep.range[1], dep.rangeStatement[1] - 1, ");");
+			return;
+		}
+
+		source.replace(
+			dep.rangeStatement[0],
+			dep.rangeStatement[1] - 1,
+			content + dep.prefix
+		);
+	}
+}
+
+class NullTemplate {
+	apply() {}
+}
+
+module.exports = ConcatenatedModule;
diff --git a/node_modules/webpack/lib/optimize/EnsureChunkConditionsPlugin.js b/node_modules/webpack/lib/optimize/EnsureChunkConditionsPlugin.js
new file mode 100644
index 00000000..5d05ec83
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/EnsureChunkConditionsPlugin.js
@@ -0,0 +1,70 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const GraphHelpers = require("../GraphHelpers");
+
+class EnsureChunkConditionsPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"EnsureChunkConditionsPlugin",
+			compilation => {
+				const handler = chunks => {
+					let changed = false;
+					for (const module of compilation.modules) {
+						if (!module.chunkCondition) continue;
+						const sourceChunks = new Set();
+						const chunkGroups = new Set();
+						for (const chunk of module.chunksIterable) {
+							if (!module.chunkCondition(chunk)) {
+								sourceChunks.add(chunk);
+								for (const group of chunk.groupsIterable) {
+									chunkGroups.add(group);
+								}
+							}
+						}
+						if (sourceChunks.size === 0) continue;
+						const targetChunks = new Set();
+						chunkGroupLoop: for (const chunkGroup of chunkGroups) {
+							// Can module be placed in a chunk of this group?
+							for (const chunk of chunkGroup.chunks) {
+								if (module.chunkCondition(chunk)) {
+									targetChunks.add(chunk);
+									continue chunkGroupLoop;
+								}
+							}
+							// We reached the entrypoint: fail
+							if (chunkGroup.isInitial()) {
+								throw new Error(
+									"Cannot fullfil chunk condition of " + module.identifier()
+								);
+							}
+							// Try placing in all parents
+							for (const group of chunkGroup.parentsIterable) {
+								chunkGroups.add(group);
+							}
+						}
+						for (const sourceChunk of sourceChunks) {
+							GraphHelpers.disconnectChunkAndModule(sourceChunk, module);
+						}
+						for (const targetChunk of targetChunks) {
+							GraphHelpers.connectChunkAndModule(targetChunk, module);
+						}
+					}
+					if (changed) return true;
+				};
+				compilation.hooks.optimizeChunksBasic.tap(
+					"EnsureChunkConditionsPlugin",
+					handler
+				);
+				compilation.hooks.optimizeExtractedChunksBasic.tap(
+					"EnsureChunkConditionsPlugin",
+					handler
+				);
+			}
+		);
+	}
+}
+module.exports = EnsureChunkConditionsPlugin;
diff --git a/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js b/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js
new file mode 100644
index 00000000..1890f058
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js
@@ -0,0 +1,99 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class FlagIncludedChunksPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("FlagIncludedChunksPlugin", compilation => {
+			compilation.hooks.optimizeChunkIds.tap(
+				"FlagIncludedChunksPlugin",
+				chunks => {
+					// prepare two bit integers for each module
+					// 2^31 is the max number represented as SMI in v8
+					// we want the bits distributed this way:
+					// the bit 2^31 is pretty rar and only one module should get it
+					// so it has a probability of 1 / modulesCount
+					// the first bit (2^0) is the easiest and every module could get it
+					// if it doesn't get a better bit
+					// from bit 2^n to 2^(n+1) there is a probability of p
+					// so 1 / modulesCount == p^31
+					// <=> p = sqrt31(1 / modulesCount)
+					// so we use a modulo of 1 / sqrt31(1 / modulesCount)
+					const moduleBits = new WeakMap();
+					const modulesCount = compilation.modules.length;
+
+					// precalculate the modulo values for each bit
+					const modulo = 1 / Math.pow(1 / modulesCount, 1 / 31);
+					const modulos = Array.from(
+						{ length: 31 },
+						(x, i) => Math.pow(modulo, i) | 0
+					);
+
+					// iterate all modules to generate bit values
+					let i = 0;
+					for (const module of compilation.modules) {
+						let bit = 30;
+						while (i % modulos[bit] !== 0) {
+							bit--;
+						}
+						moduleBits.set(module, 1 << bit);
+						i++;
+					}
+
+					// interate all chunks to generate bitmaps
+					const chunkModulesHash = new WeakMap();
+					for (const chunk of chunks) {
+						let hash = 0;
+						for (const module of chunk.modulesIterable) {
+							hash |= moduleBits.get(module);
+						}
+						chunkModulesHash.set(chunk, hash);
+					}
+
+					for (const chunkA of chunks) {
+						const chunkAHash = chunkModulesHash.get(chunkA);
+						const chunkAModulesCount = chunkA.getNumberOfModules();
+						if (chunkAModulesCount === 0) continue;
+						let bestModule = undefined;
+						for (const module of chunkA.modulesIterable) {
+							if (
+								bestModule === undefined ||
+								bestModule.getNumberOfChunks() > module.getNumberOfChunks()
+							)
+								bestModule = module;
+						}
+						loopB: for (const chunkB of bestModule.chunksIterable) {
+							// as we iterate the same iterables twice
+							// skip if we find ourselves
+							if (chunkA === chunkB) continue;
+
+							const chunkBModulesCount = chunkB.getNumberOfModules();
+
+							// ids for empty chunks are not included
+							if (chunkBModulesCount === 0) continue;
+
+							// instead of swapping A and B just bail
+							// as we loop twice the current A will be B and B then A
+							if (chunkAModulesCount > chunkBModulesCount) continue;
+
+							// is chunkA in chunkB?
+
+							// we do a cheap check for the hash value
+							const chunkBHash = chunkModulesHash.get(chunkB);
+							if ((chunkBHash & chunkAHash) !== chunkAHash) continue;
+
+							// compare all modules
+							for (const m of chunkA.modulesIterable) {
+								if (!chunkB.containsModule(m)) continue loopB;
+							}
+							chunkB.ids.push(chunkA.id);
+						}
+					}
+				}
+			);
+		});
+	}
+}
+module.exports = FlagIncludedChunksPlugin;
diff --git a/node_modules/webpack/lib/optimize/LimitChunkCountPlugin.js b/node_modules/webpack/lib/optimize/LimitChunkCountPlugin.js
new file mode 100644
index 00000000..87f28491
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/LimitChunkCountPlugin.js
@@ -0,0 +1,231 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/optimize/LimitChunkCountPlugin.json");
+const LazyBucketSortedSet = require("../util/LazyBucketSortedSet");
+
+/** @typedef {import("../../declarations/plugins/optimize/LimitChunkCountPlugin").LimitChunkCountPluginOptions} LimitChunkCountPluginOptions */
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../Compiler")} Compiler */
+
+/**
+ * @typedef {Object} ChunkCombination
+ * @property {boolean} deleted this is set to true when combination was removed
+ * @property {number} sizeDiff
+ * @property {number} integratedSize
+ * @property {Chunk} a
+ * @property {Chunk} b
+ * @property {number} aIdx
+ * @property {number} bIdx
+ * @property {number} aSize
+ * @property {number} bSize
+ */
+
+const addToSetMap = (map, key, value) => {
+	const set = map.get(key);
+	if (set === undefined) {
+		map.set(key, new Set([value]));
+	} else {
+		set.add(value);
+	}
+};
+
+class LimitChunkCountPlugin {
+	/**
+	 * @param {LimitChunkCountPluginOptions=} options options object
+	 */
+	constructor(options) {
+		if (!options) options = {};
+
+		validateOptions(schema, options, "Limit Chunk Count Plugin");
+		this.options = options;
+	}
+
+	/**
+	 * @param {Compiler} compiler the webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap("LimitChunkCountPlugin", compilation => {
+			compilation.hooks.optimizeChunksAdvanced.tap(
+				"LimitChunkCountPlugin",
+				chunks => {
+					const maxChunks = options.maxChunks;
+					if (!maxChunks) return;
+					if (maxChunks < 1) return;
+					if (chunks.length <= maxChunks) return;
+
+					let remainingChunksToMerge = chunks.length - maxChunks;
+
+					// order chunks in a deterministic way
+					const orderedChunks = chunks.slice().sort((a, b) => a.compareTo(b));
+
+					// create a lazy sorted data structure to keep all combinations
+					// this is large. Size = chunks * (chunks - 1) / 2
+					// It uses a multi layer bucket sort plus normal sort in the last layer
+					// It's also lazy so only accessed buckets are sorted
+					const combinations = new LazyBucketSortedSet(
+						// Layer 1: ordered by largest size benefit
+						c => c.sizeDiff,
+						(a, b) => b - a,
+						// Layer 2: ordered by smallest combined size
+						c => c.integratedSize,
+						(a, b) => a - b,
+						// Layer 3: ordered by position difference in orderedChunk (-> to be deterministic)
+						c => c.bIdx - c.aIdx,
+						(a, b) => a - b,
+						// Layer 4: ordered by position in orderedChunk (-> to be deterministic)
+						(a, b) => a.bIdx - b.bIdx
+					);
+
+					// we keep a mappng from chunk to all combinations
+					// but this mapping is not kept up-to-date with deletions
+					// so `deleted` flag need to be considered when iterating this
+					/** @type {Map<Chunk, Set<ChunkCombination>>} */
+					const combinationsByChunk = new Map();
+
+					orderedChunks.forEach((b, bIdx) => {
+						// create combination pairs with size and integrated size
+						for (let aIdx = 0; aIdx < bIdx; aIdx++) {
+							const a = orderedChunks[aIdx];
+							const integratedSize = a.integratedSize(b, options);
+
+							// filter pairs that do not have an integratedSize
+							// meaning they can NOT be integrated!
+							if (integratedSize === false) continue;
+
+							const aSize = a.size(options);
+							const bSize = b.size(options);
+							const c = {
+								deleted: false,
+								sizeDiff: aSize + bSize - integratedSize,
+								integratedSize,
+								a,
+								b,
+								aIdx,
+								bIdx,
+								aSize,
+								bSize
+							};
+							combinations.add(c);
+							addToSetMap(combinationsByChunk, a, c);
+							addToSetMap(combinationsByChunk, b, c);
+						}
+						return combinations;
+					});
+
+					// list of modified chunks during this run
+					// combinations affected by this change are skipped to allow
+					// futher optimizations
+					/** @type {Set<Chunk>} */
+					const modifiedChunks = new Set();
+
+					let changed = false;
+					// eslint-disable-next-line no-constant-condition
+					loop: while (true) {
+						const combination = combinations.popFirst();
+						if (combination === undefined) break;
+
+						combination.deleted = true;
+						const { a, b, integratedSize } = combination;
+
+						// skip over pair when
+						// one of the already merged chunks is a parent of one of the chunks
+						if (modifiedChunks.size > 0) {
+							const queue = new Set(a.groupsIterable);
+							for (const group of b.groupsIterable) {
+								queue.add(group);
+							}
+							for (const group of queue) {
+								for (const mChunk of modifiedChunks) {
+									if (mChunk !== a && mChunk !== b && mChunk.isInGroup(group)) {
+										// This is a potential pair which needs recalculation
+										// We can't do that now, but it merge before following pairs
+										// so we leave space for it, and consider chunks as modified
+										// just for the worse case
+										remainingChunksToMerge--;
+										if (remainingChunksToMerge <= 0) break loop;
+										modifiedChunks.add(a);
+										modifiedChunks.add(b);
+										continue loop;
+									}
+								}
+								for (const parent of group.parentsIterable) {
+									queue.add(parent);
+								}
+							}
+						}
+
+						// merge the chunks
+						if (a.integrate(b, "limit")) {
+							chunks.splice(chunks.indexOf(b), 1);
+
+							// flag chunk a as modified as further optimization are possible for all children here
+							modifiedChunks.add(a);
+
+							changed = true;
+							remainingChunksToMerge--;
+							if (remainingChunksToMerge <= 0) break;
+
+							// Update all affected combinations
+							// delete all combination with the removed chunk
+							// we will use combinations with the kept chunk instead
+							for (const combination of combinationsByChunk.get(b)) {
+								if (combination.deleted) continue;
+								combination.deleted = true;
+								combinations.delete(combination);
+							}
+
+							// Update combinations with the kept chunk with new sizes
+							for (const combination of combinationsByChunk.get(a)) {
+								if (combination.deleted) continue;
+								if (combination.a === a) {
+									// Update size
+									const newIntegratedSize = a.integratedSize(
+										combination.b,
+										options
+									);
+									if (newIntegratedSize === false) {
+										combination.deleted = true;
+										combinations.delete(combination);
+										continue;
+									}
+									const finishUpdate = combinations.startUpdate(combination);
+									combination.integratedSize = newIntegratedSize;
+									combination.aSize = integratedSize;
+									combination.sizeDiff =
+										combination.bSize + integratedSize - newIntegratedSize;
+									finishUpdate();
+								} else if (combination.b === a) {
+									// Update size
+									const newIntegratedSize = combination.a.integratedSize(
+										a,
+										options
+									);
+									if (newIntegratedSize === false) {
+										combination.deleted = true;
+										combinations.delete(combination);
+										continue;
+									}
+									const finishUpdate = combinations.startUpdate(combination);
+									combination.integratedSize = newIntegratedSize;
+									combination.bSize = integratedSize;
+									combination.sizeDiff =
+										integratedSize + combination.aSize - newIntegratedSize;
+									finishUpdate();
+								}
+							}
+						}
+					}
+					if (changed) return true;
+				}
+			);
+		});
+	}
+}
+module.exports = LimitChunkCountPlugin;
diff --git a/node_modules/webpack/lib/optimize/MergeDuplicateChunksPlugin.js b/node_modules/webpack/lib/optimize/MergeDuplicateChunksPlugin.js
new file mode 100644
index 00000000..1c3e23aa
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/MergeDuplicateChunksPlugin.js
@@ -0,0 +1,78 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class MergeDuplicateChunksPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"MergeDuplicateChunksPlugin",
+			compilation => {
+				compilation.hooks.optimizeChunksBasic.tap(
+					"MergeDuplicateChunksPlugin",
+					chunks => {
+						// remember already tested chunks for performance
+						const notDuplicates = new Set();
+
+						// for each chunk
+						for (const chunk of chunks) {
+							// track a Set of all chunk that could be duplicates
+							let possibleDuplicates;
+							for (const module of chunk.modulesIterable) {
+								if (possibleDuplicates === undefined) {
+									// when possibleDuplicates is not yet set,
+									// create a new Set from chunks of the current module
+									// including only chunks with the same number of modules
+									for (const dup of module.chunksIterable) {
+										if (
+											dup !== chunk &&
+											chunk.getNumberOfModules() === dup.getNumberOfModules() &&
+											!notDuplicates.has(dup)
+										) {
+											// delay allocating the new Set until here, reduce memory pressure
+											if (possibleDuplicates === undefined) {
+												possibleDuplicates = new Set();
+											}
+											possibleDuplicates.add(dup);
+										}
+									}
+									// when no chunk is possible we can break here
+									if (possibleDuplicates === undefined) break;
+								} else {
+									// validate existing possible duplicates
+									for (const dup of possibleDuplicates) {
+										// remove possible duplicate when module is not contained
+										if (!dup.containsModule(module)) {
+											possibleDuplicates.delete(dup);
+										}
+									}
+									// when all chunks has been removed we can break here
+									if (possibleDuplicates.size === 0) break;
+								}
+							}
+
+							// when we found duplicates
+							if (
+								possibleDuplicates !== undefined &&
+								possibleDuplicates.size > 0
+							) {
+								for (const otherChunk of possibleDuplicates) {
+									if (otherChunk.hasRuntime() !== chunk.hasRuntime()) continue;
+									// merge them
+									if (chunk.integrate(otherChunk, "duplicate")) {
+										chunks.splice(chunks.indexOf(otherChunk), 1);
+									}
+								}
+							}
+
+							// don't check already processed chunks twice
+							notDuplicates.add(chunk);
+						}
+					}
+				);
+			}
+		);
+	}
+}
+module.exports = MergeDuplicateChunksPlugin;
diff --git a/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js b/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js
new file mode 100644
index 00000000..144af278
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js
@@ -0,0 +1,82 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/optimize/MinChunkSizePlugin.json");
+
+/** @typedef {import("../../declarations/plugins/optimize/MinChunkSizePlugin").MinChunkSizePluginOptions} MinChunkSizePluginOptions */
+
+class MinChunkSizePlugin {
+	/**
+	 * @param {MinChunkSizePluginOptions} options options object
+	 */
+	constructor(options) {
+		validateOptions(schema, options, "Min Chunk Size Plugin");
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		const minChunkSize = options.minChunkSize;
+		compiler.hooks.compilation.tap("MinChunkSizePlugin", compilation => {
+			compilation.hooks.optimizeChunksAdvanced.tap(
+				"MinChunkSizePlugin",
+				chunks => {
+					const equalOptions = {
+						chunkOverhead: 1,
+						entryChunkMultiplicator: 1
+					};
+
+					const sortedSizeFilteredExtendedPairCombinations = chunks
+						.reduce((combinations, a, idx) => {
+							// create combination pairs
+							for (let i = 0; i < idx; i++) {
+								const b = chunks[i];
+								combinations.push([b, a]);
+							}
+							return combinations;
+						}, [])
+						.filter(pair => {
+							// check if one of the chunks sizes is smaller than the minChunkSize
+							const p0SmallerThanMinChunkSize =
+								pair[0].size(equalOptions) < minChunkSize;
+							const p1SmallerThanMinChunkSize =
+								pair[1].size(equalOptions) < minChunkSize;
+							return p0SmallerThanMinChunkSize || p1SmallerThanMinChunkSize;
+						})
+						.map(pair => {
+							// extend combination pairs with size and integrated size
+							const a = pair[0].size(options);
+							const b = pair[1].size(options);
+							const ab = pair[0].integratedSize(pair[1], options);
+							return [a + b - ab, ab, pair[0], pair[1]];
+						})
+						.filter(pair => {
+							// filter pairs that do not have an integratedSize
+							// meaning they can NOT be integrated!
+							return pair[1] !== false;
+						})
+						.sort((a, b) => {
+							// sadly javascript does an inplace sort here
+							// sort by size
+							const diff = b[0] - a[0];
+							if (diff !== 0) return diff;
+							return a[1] - b[1];
+						});
+
+					if (sortedSizeFilteredExtendedPairCombinations.length === 0) return;
+
+					const pair = sortedSizeFilteredExtendedPairCombinations[0];
+
+					pair[2].integrate(pair[3], "min-size");
+					chunks.splice(chunks.indexOf(pair[3]), 1);
+					return true;
+				}
+			);
+		});
+	}
+}
+module.exports = MinChunkSizePlugin;
diff --git a/node_modules/webpack/lib/optimize/MinMaxSizeWarning.js b/node_modules/webpack/lib/optimize/MinMaxSizeWarning.js
new file mode 100644
index 00000000..255e9187
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/MinMaxSizeWarning.js
@@ -0,0 +1,29 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+const SizeFormatHelpers = require("../SizeFormatHelpers");
+
+class MinMaxSizeWarning extends WebpackError {
+	constructor(keys, minSize, maxSize) {
+		let keysMessage = "Fallback cache group";
+		if (keys) {
+			keysMessage =
+				keys.length > 1
+					? `Cache groups ${keys.sort().join(", ")}`
+					: `Cache group ${keys[0]}`;
+		}
+		super(
+			`SplitChunksPlugin\n` +
+				`${keysMessage}\n` +
+				`Configured minSize (${SizeFormatHelpers.formatSize(minSize)}) is ` +
+				`bigger than maxSize (${SizeFormatHelpers.formatSize(maxSize)}).\n` +
+				"This seem to be a invalid optimiziation.splitChunks configuration."
+		);
+	}
+}
+
+module.exports = MinMaxSizeWarning;
diff --git a/node_modules/webpack/lib/optimize/ModuleConcatenationPlugin.js b/node_modules/webpack/lib/optimize/ModuleConcatenationPlugin.js
new file mode 100644
index 00000000..0c5bfd36
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/ModuleConcatenationPlugin.js
@@ -0,0 +1,485 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
+const ModuleHotAcceptDependency = require("../dependencies/ModuleHotAcceptDependency");
+const ModuleHotDeclineDependency = require("../dependencies/ModuleHotDeclineDependency");
+const ConcatenatedModule = require("./ConcatenatedModule");
+const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency");
+const StackedSetMap = require("../util/StackedSetMap");
+
+const formatBailoutReason = msg => {
+	return "ModuleConcatenation bailout: " + msg;
+};
+
+class ModuleConcatenationPlugin {
+	constructor(options) {
+		if (typeof options !== "object") options = {};
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"ModuleConcatenationPlugin",
+			(compilation, { normalModuleFactory }) => {
+				const handler = (parser, parserOptions) => {
+					parser.hooks.call.for("eval").tap("ModuleConcatenationPlugin", () => {
+						// Because of variable renaming we can't use modules with eval.
+						parser.state.module.buildMeta.moduleConcatenationBailout = "eval()";
+					});
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ModuleConcatenationPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/dynamic")
+					.tap("ModuleConcatenationPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("ModuleConcatenationPlugin", handler);
+
+				const bailoutReasonMap = new Map();
+
+				const setBailoutReason = (module, reason) => {
+					bailoutReasonMap.set(module, reason);
+					module.optimizationBailout.push(
+						typeof reason === "function"
+							? rs => formatBailoutReason(reason(rs))
+							: formatBailoutReason(reason)
+					);
+				};
+
+				const getBailoutReason = (module, requestShortener) => {
+					const reason = bailoutReasonMap.get(module);
+					if (typeof reason === "function") return reason(requestShortener);
+					return reason;
+				};
+
+				compilation.hooks.optimizeChunkModules.tap(
+					"ModuleConcatenationPlugin",
+					(allChunks, modules) => {
+						const relevantModules = [];
+						const possibleInners = new Set();
+						for (const module of modules) {
+							// Only harmony modules are valid for optimization
+							if (
+								!module.buildMeta ||
+								module.buildMeta.exportsType !== "namespace" ||
+								!module.dependencies.some(
+									d => d instanceof HarmonyCompatibilityDependency
+								)
+							) {
+								setBailoutReason(module, "Module is not an ECMAScript module");
+								continue;
+							}
+
+							// Some expressions are not compatible with module concatenation
+							// because they may produce unexpected results. The plugin bails out
+							// if some were detected upfront.
+							if (
+								module.buildMeta &&
+								module.buildMeta.moduleConcatenationBailout
+							) {
+								setBailoutReason(
+									module,
+									`Module uses ${module.buildMeta.moduleConcatenationBailout}`
+								);
+								continue;
+							}
+
+							// Exports must be known (and not dynamic)
+							if (!Array.isArray(module.buildMeta.providedExports)) {
+								setBailoutReason(module, "Module exports are unknown");
+								continue;
+							}
+
+							// Using dependency variables is not possible as this wraps the code in a function
+							if (module.variables.length > 0) {
+								setBailoutReason(
+									module,
+									`Module uses injected variables (${module.variables
+										.map(v => v.name)
+										.join(", ")})`
+								);
+								continue;
+							}
+
+							// Hot Module Replacement need it's own module to work correctly
+							if (
+								module.dependencies.some(
+									dep =>
+										dep instanceof ModuleHotAcceptDependency ||
+										dep instanceof ModuleHotDeclineDependency
+								)
+							) {
+								setBailoutReason(module, "Module uses Hot Module Replacement");
+								continue;
+							}
+
+							relevantModules.push(module);
+
+							// Module must not be the entry points
+							if (module.isEntryModule()) {
+								setBailoutReason(module, "Module is an entry point");
+								continue;
+							}
+
+							// Module must be in any chunk (we don't want to do useless work)
+							if (module.getNumberOfChunks() === 0) {
+								setBailoutReason(module, "Module is not in any chunk");
+								continue;
+							}
+
+							// Module must only be used by Harmony Imports
+							const nonHarmonyReasons = module.reasons.filter(
+								reason =>
+									!reason.dependency ||
+									!(reason.dependency instanceof HarmonyImportDependency)
+							);
+							if (nonHarmonyReasons.length > 0) {
+								const importingModules = new Set(
+									nonHarmonyReasons.map(r => r.module).filter(Boolean)
+								);
+								const importingExplanations = new Set(
+									nonHarmonyReasons.map(r => r.explanation).filter(Boolean)
+								);
+								const importingModuleTypes = new Map(
+									Array.from(importingModules).map(
+										m => /** @type {[string, Set]} */ ([
+											m,
+											new Set(
+												nonHarmonyReasons
+													.filter(r => r.module === m)
+													.map(r => r.dependency.type)
+													.sort()
+											)
+										])
+									)
+								);
+								setBailoutReason(module, requestShortener => {
+									const names = Array.from(importingModules)
+										.map(
+											m =>
+												`${m.readableIdentifier(
+													requestShortener
+												)} (referenced with ${Array.from(
+													importingModuleTypes.get(m)
+												).join(", ")})`
+										)
+										.sort();
+									const explanations = Array.from(importingExplanations).sort();
+									if (names.length > 0 && explanations.length === 0) {
+										return `Module is referenced from these modules with unsupported syntax: ${names.join(
+											", "
+										)}`;
+									} else if (names.length === 0 && explanations.length > 0) {
+										return `Module is referenced by: ${explanations.join(
+											", "
+										)}`;
+									} else if (names.length > 0 && explanations.length > 0) {
+										return `Module is referenced from these modules with unsupported syntax: ${names.join(
+											", "
+										)} and by: ${explanations.join(", ")}`;
+									} else {
+										return "Module is referenced in a unsupported way";
+									}
+								});
+								continue;
+							}
+
+							possibleInners.add(module);
+						}
+						// sort by depth
+						// modules with lower depth are more likely suited as roots
+						// this improves performance, because modules already selected as inner are skipped
+						relevantModules.sort((a, b) => {
+							return a.depth - b.depth;
+						});
+						const concatConfigurations = [];
+						const usedAsInner = new Set();
+						for (const currentRoot of relevantModules) {
+							// when used by another configuration as inner:
+							// the other configuration is better and we can skip this one
+							if (usedAsInner.has(currentRoot)) continue;
+
+							// create a configuration with the root
+							const currentConfiguration = new ConcatConfiguration(currentRoot);
+
+							// cache failures to add modules
+							const failureCache = new Map();
+
+							// try to add all imports
+							for (const imp of this._getImports(compilation, currentRoot)) {
+								const problem = this._tryToAdd(
+									compilation,
+									currentConfiguration,
+									imp,
+									possibleInners,
+									failureCache
+								);
+								if (problem) {
+									failureCache.set(imp, problem);
+									currentConfiguration.addWarning(imp, problem);
+								}
+							}
+							if (!currentConfiguration.isEmpty()) {
+								concatConfigurations.push(currentConfiguration);
+								for (const module of currentConfiguration.getModules()) {
+									if (module !== currentConfiguration.rootModule) {
+										usedAsInner.add(module);
+									}
+								}
+							}
+						}
+						// HACK: Sort configurations by length and start with the longest one
+						// to get the biggers groups possible. Used modules are marked with usedModules
+						// TODO: Allow to reuse existing configuration while trying to add dependencies.
+						// This would improve performance. O(n^2) -> O(n)
+						concatConfigurations.sort((a, b) => {
+							return b.modules.size - a.modules.size;
+						});
+						const usedModules = new Set();
+						for (const concatConfiguration of concatConfigurations) {
+							if (usedModules.has(concatConfiguration.rootModule)) continue;
+							const modules = concatConfiguration.getModules();
+							const rootModule = concatConfiguration.rootModule;
+							const newModule = new ConcatenatedModule(
+								rootModule,
+								Array.from(modules),
+								ConcatenatedModule.createConcatenationList(
+									rootModule,
+									modules,
+									compilation
+								)
+							);
+							for (const warning of concatConfiguration.getWarningsSorted()) {
+								newModule.optimizationBailout.push(requestShortener => {
+									const reason = getBailoutReason(warning[0], requestShortener);
+									const reasonWithPrefix = reason ? ` (<- ${reason})` : "";
+									if (warning[0] === warning[1]) {
+										return formatBailoutReason(
+											`Cannot concat with ${warning[0].readableIdentifier(
+												requestShortener
+											)}${reasonWithPrefix}`
+										);
+									} else {
+										return formatBailoutReason(
+											`Cannot concat with ${warning[0].readableIdentifier(
+												requestShortener
+											)} because of ${warning[1].readableIdentifier(
+												requestShortener
+											)}${reasonWithPrefix}`
+										);
+									}
+								});
+							}
+							const chunks = concatConfiguration.rootModule.getChunks();
+							for (const m of modules) {
+								usedModules.add(m);
+								for (const chunk of chunks) {
+									chunk.removeModule(m);
+								}
+							}
+							for (const chunk of chunks) {
+								chunk.addModule(newModule);
+								newModule.addChunk(chunk);
+							}
+							for (const chunk of allChunks) {
+								if (chunk.entryModule === concatConfiguration.rootModule) {
+									chunk.entryModule = newModule;
+								}
+							}
+							compilation.modules.push(newModule);
+							for (const reason of newModule.reasons) {
+								if (reason.dependency.module === concatConfiguration.rootModule)
+									reason.dependency.module = newModule;
+								if (
+									reason.dependency.redirectedModule ===
+									concatConfiguration.rootModule
+								)
+									reason.dependency.redirectedModule = newModule;
+							}
+							// TODO: remove when LTS node version contains fixed v8 version
+							// @see https://github.com/webpack/webpack/pull/6613
+							// Turbofan does not correctly inline for-of loops with polymorphic input arrays.
+							// Work around issue by using a standard for loop and assigning dep.module.reasons
+							for (let i = 0; i < newModule.dependencies.length; i++) {
+								let dep = newModule.dependencies[i];
+								if (dep.module) {
+									let reasons = dep.module.reasons;
+									for (let j = 0; j < reasons.length; j++) {
+										let reason = reasons[j];
+										if (reason.dependency === dep) {
+											reason.module = newModule;
+										}
+									}
+								}
+							}
+						}
+						compilation.modules = compilation.modules.filter(
+							m => !usedModules.has(m)
+						);
+					}
+				);
+			}
+		);
+	}
+
+	_getImports(compilation, module) {
+		return new Set(
+			module.dependencies
+
+				// Get reference info only for harmony Dependencies
+				.map(dep => {
+					if (!(dep instanceof HarmonyImportDependency)) return null;
+					if (!compilation) return dep.getReference();
+					return compilation.getDependencyReference(module, dep);
+				})
+
+				// Reference is valid and has a module
+				// Dependencies are simple enough to concat them
+				.filter(
+					ref =>
+						ref &&
+						ref.module &&
+						(Array.isArray(ref.importedNames) ||
+							Array.isArray(ref.module.buildMeta.providedExports))
+				)
+
+				// Take the imported module
+				.map(ref => ref.module)
+		);
+	}
+
+	_tryToAdd(compilation, config, module, possibleModules, failureCache) {
+		const cacheEntry = failureCache.get(module);
+		if (cacheEntry) {
+			return cacheEntry;
+		}
+
+		// Already added?
+		if (config.has(module)) {
+			return null;
+		}
+
+		// Not possible to add?
+		if (!possibleModules.has(module)) {
+			failureCache.set(module, module); // cache failures for performance
+			return module;
+		}
+
+		// module must be in the same chunks
+		if (!config.rootModule.hasEqualsChunks(module)) {
+			failureCache.set(module, module); // cache failures for performance
+			return module;
+		}
+
+		// Clone config to make experimental changes
+		const testConfig = config.clone();
+
+		// Add the module
+		testConfig.add(module);
+
+		// Every module which depends on the added module must be in the configuration too.
+		for (const reason of module.reasons) {
+			// Modules that are not used can be ignored
+			if (
+				reason.module.factoryMeta.sideEffectFree &&
+				reason.module.used === false
+			)
+				continue;
+
+			const problem = this._tryToAdd(
+				compilation,
+				testConfig,
+				reason.module,
+				possibleModules,
+				failureCache
+			);
+			if (problem) {
+				failureCache.set(module, problem); // cache failures for performance
+				return problem;
+			}
+		}
+
+		// Commit experimental changes
+		config.set(testConfig);
+
+		// Eagerly try to add imports too if possible
+		for (const imp of this._getImports(compilation, module)) {
+			const problem = this._tryToAdd(
+				compilation,
+				config,
+				imp,
+				possibleModules,
+				failureCache
+			);
+			if (problem) {
+				config.addWarning(imp, problem);
+			}
+		}
+		return null;
+	}
+}
+
+class ConcatConfiguration {
+	constructor(rootModule, cloneFrom) {
+		this.rootModule = rootModule;
+		if (cloneFrom) {
+			this.modules = cloneFrom.modules.createChild(5);
+			this.warnings = cloneFrom.warnings.createChild(5);
+		} else {
+			this.modules = new StackedSetMap();
+			this.modules.add(rootModule);
+			this.warnings = new StackedSetMap();
+		}
+	}
+
+	add(module) {
+		this.modules.add(module);
+	}
+
+	has(module) {
+		return this.modules.has(module);
+	}
+
+	isEmpty() {
+		return this.modules.size === 1;
+	}
+
+	addWarning(module, problem) {
+		this.warnings.set(module, problem);
+	}
+
+	getWarningsSorted() {
+		return new Map(
+			this.warnings.asPairArray().sort((a, b) => {
+				const ai = a[0].identifier();
+				const bi = b[0].identifier();
+				if (ai < bi) return -1;
+				if (ai > bi) return 1;
+				return 0;
+			})
+		);
+	}
+
+	getModules() {
+		return this.modules.asSet();
+	}
+
+	clone() {
+		return new ConcatConfiguration(this.rootModule, this);
+	}
+
+	set(config) {
+		this.rootModule = config.rootModule;
+		this.modules = config.modules;
+		this.warnings = config.warnings;
+	}
+}
+
+module.exports = ModuleConcatenationPlugin;
diff --git a/node_modules/webpack/lib/optimize/NaturalChunkOrderPlugin.js b/node_modules/webpack/lib/optimize/NaturalChunkOrderPlugin.js
new file mode 100644
index 00000000..00f8010d
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/NaturalChunkOrderPlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("../Compiler")} Compiler */
+
+class NaturalChunkOrderPlugin {
+	/**
+	 * @param {Compiler} compiler webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap("NaturalChunkOrderPlugin", compilation => {
+			compilation.hooks.optimizeChunkOrder.tap(
+				"NaturalChunkOrderPlugin",
+				chunks => {
+					chunks.sort((chunkA, chunkB) => {
+						const a = chunkA.modulesIterable[Symbol.iterator]();
+						const b = chunkB.modulesIterable[Symbol.iterator]();
+						// eslint-disable-next-line no-constant-condition
+						while (true) {
+							const aItem = a.next();
+							const bItem = b.next();
+							if (aItem.done && bItem.done) return 0;
+							if (aItem.done) return -1;
+							if (bItem.done) return 1;
+							const aModuleId = aItem.value.id;
+							const bModuleId = bItem.value.id;
+							if (aModuleId < bModuleId) return -1;
+							if (aModuleId > bModuleId) return 1;
+						}
+					});
+				}
+			);
+		});
+	}
+}
+
+module.exports = NaturalChunkOrderPlugin;
diff --git a/node_modules/webpack/lib/optimize/OccurrenceChunkOrderPlugin.js b/node_modules/webpack/lib/optimize/OccurrenceChunkOrderPlugin.js
new file mode 100644
index 00000000..4f7ec9a4
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/OccurrenceChunkOrderPlugin.js
@@ -0,0 +1,66 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/optimize/OccurrenceOrderChunkIdsPlugin.json");
+
+/** @typedef {import("../../declarations/plugins/optimize/OccurrenceOrderChunkIdsPlugin").OccurrenceOrderChunkIdsPluginOptions} OccurrenceOrderChunkIdsPluginOptions */
+
+class OccurrenceOrderChunkIdsPlugin {
+	/**
+	 * @param {OccurrenceOrderChunkIdsPluginOptions=} options options object
+	 */
+	constructor(options = {}) {
+		validateOptions(schema, options, "Occurrence Order Chunk Ids Plugin");
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const prioritiseInitial = this.options.prioritiseInitial;
+		compiler.hooks.compilation.tap(
+			"OccurrenceOrderChunkIdsPlugin",
+			compilation => {
+				compilation.hooks.optimizeChunkOrder.tap(
+					"OccurrenceOrderChunkIdsPlugin",
+					chunks => {
+						const occursInInitialChunksMap = new Map();
+						const originalOrder = new Map();
+
+						let i = 0;
+						for (const c of chunks) {
+							let occurs = 0;
+							for (const chunkGroup of c.groupsIterable) {
+								for (const parent of chunkGroup.parentsIterable) {
+									if (parent.isInitial()) occurs++;
+								}
+							}
+							occursInInitialChunksMap.set(c, occurs);
+							originalOrder.set(c, i++);
+						}
+
+						chunks.sort((a, b) => {
+							if (prioritiseInitial) {
+								const aEntryOccurs = occursInInitialChunksMap.get(a);
+								const bEntryOccurs = occursInInitialChunksMap.get(b);
+								if (aEntryOccurs > bEntryOccurs) return -1;
+								if (aEntryOccurs < bEntryOccurs) return 1;
+							}
+							const aOccurs = a.getNumberOfGroups();
+							const bOccurs = b.getNumberOfGroups();
+							if (aOccurs > bOccurs) return -1;
+							if (aOccurs < bOccurs) return 1;
+							const orgA = originalOrder.get(a);
+							const orgB = originalOrder.get(b);
+							return orgA - orgB;
+						});
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = OccurrenceOrderChunkIdsPlugin;
diff --git a/node_modules/webpack/lib/optimize/OccurrenceModuleOrderPlugin.js b/node_modules/webpack/lib/optimize/OccurrenceModuleOrderPlugin.js
new file mode 100644
index 00000000..cb9a3e8d
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/OccurrenceModuleOrderPlugin.js
@@ -0,0 +1,112 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const validateOptions = require("schema-utils");
+const schema = require("../../schemas/plugins/optimize/OccurrenceOrderModuleIdsPlugin.json");
+
+/** @typedef {import("../../declarations/plugins/optimize/OccurrenceOrderModuleIdsPlugin").OccurrenceOrderModuleIdsPluginOptions} OccurrenceOrderModuleIdsPluginOptions */
+
+class OccurrenceOrderModuleIdsPlugin {
+	/**
+	 * @param {OccurrenceOrderModuleIdsPluginOptions=} options options object
+	 */
+	constructor(options = {}) {
+		validateOptions(schema, options, "Occurrence Order Module Ids Plugin");
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const prioritiseInitial = this.options.prioritiseInitial;
+		compiler.hooks.compilation.tap(
+			"OccurrenceOrderModuleIdsPlugin",
+			compilation => {
+				compilation.hooks.optimizeModuleOrder.tap(
+					"OccurrenceOrderModuleIdsPlugin",
+					modules => {
+						const occursInInitialChunksMap = new Map();
+						const occursInAllChunksMap = new Map();
+
+						const initialChunkChunkMap = new Map();
+						const entryCountMap = new Map();
+						for (const m of modules) {
+							let initial = 0;
+							let entry = 0;
+							for (const c of m.chunksIterable) {
+								if (c.canBeInitial()) initial++;
+								if (c.entryModule === m) entry++;
+							}
+							initialChunkChunkMap.set(m, initial);
+							entryCountMap.set(m, entry);
+						}
+
+						const countOccursInEntry = (sum, r) => {
+							if (!r.module) {
+								return sum;
+							}
+							const count = initialChunkChunkMap.get(r.module);
+							if (!count) {
+								return sum;
+							}
+							return sum + count;
+						};
+						const countOccurs = (sum, r) => {
+							if (!r.module) {
+								return sum;
+							}
+							let factor = 1;
+							if (typeof r.dependency.getNumberOfIdOccurrences === "function") {
+								factor = r.dependency.getNumberOfIdOccurrences();
+							}
+							if (factor === 0) {
+								return sum;
+							}
+							return sum + factor * r.module.getNumberOfChunks();
+						};
+
+						if (prioritiseInitial) {
+							for (const m of modules) {
+								const result =
+									m.reasons.reduce(countOccursInEntry, 0) +
+									initialChunkChunkMap.get(m) +
+									entryCountMap.get(m);
+								occursInInitialChunksMap.set(m, result);
+							}
+						}
+
+						const originalOrder = new Map();
+						let i = 0;
+						for (const m of modules) {
+							const result =
+								m.reasons.reduce(countOccurs, 0) +
+								m.getNumberOfChunks() +
+								entryCountMap.get(m);
+							occursInAllChunksMap.set(m, result);
+							originalOrder.set(m, i++);
+						}
+
+						modules.sort((a, b) => {
+							if (prioritiseInitial) {
+								const aEntryOccurs = occursInInitialChunksMap.get(a);
+								const bEntryOccurs = occursInInitialChunksMap.get(b);
+								if (aEntryOccurs > bEntryOccurs) return -1;
+								if (aEntryOccurs < bEntryOccurs) return 1;
+							}
+							const aOccurs = occursInAllChunksMap.get(a);
+							const bOccurs = occursInAllChunksMap.get(b);
+							if (aOccurs > bOccurs) return -1;
+							if (aOccurs < bOccurs) return 1;
+							const orgA = originalOrder.get(a);
+							const orgB = originalOrder.get(b);
+							return orgA - orgB;
+						});
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = OccurrenceOrderModuleIdsPlugin;
diff --git a/node_modules/webpack/lib/optimize/OccurrenceOrderPlugin.js b/node_modules/webpack/lib/optimize/OccurrenceOrderPlugin.js
new file mode 100644
index 00000000..c73ec8e5
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/OccurrenceOrderPlugin.js
@@ -0,0 +1,135 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+// TODO webpack 5 remove this plugin
+// It has been splitted into separate plugins for modules and chunks
+class OccurrenceOrderPlugin {
+	constructor(preferEntry) {
+		if (preferEntry !== undefined && typeof preferEntry !== "boolean") {
+			throw new Error(
+				"Argument should be a boolean.\nFor more info on this plugin, see https://webpack.js.org/plugins/"
+			);
+		}
+		this.preferEntry = preferEntry;
+	}
+	apply(compiler) {
+		const preferEntry = this.preferEntry;
+		compiler.hooks.compilation.tap("OccurrenceOrderPlugin", compilation => {
+			compilation.hooks.optimizeModuleOrder.tap(
+				"OccurrenceOrderPlugin",
+				modules => {
+					const occursInInitialChunksMap = new Map();
+					const occursInAllChunksMap = new Map();
+
+					const initialChunkChunkMap = new Map();
+					const entryCountMap = new Map();
+					for (const m of modules) {
+						let initial = 0;
+						let entry = 0;
+						for (const c of m.chunksIterable) {
+							if (c.canBeInitial()) initial++;
+							if (c.entryModule === m) entry++;
+						}
+						initialChunkChunkMap.set(m, initial);
+						entryCountMap.set(m, entry);
+					}
+
+					const countOccursInEntry = (sum, r) => {
+						if (!r.module) {
+							return sum;
+						}
+						return sum + initialChunkChunkMap.get(r.module);
+					};
+					const countOccurs = (sum, r) => {
+						if (!r.module) {
+							return sum;
+						}
+						let factor = 1;
+						if (typeof r.dependency.getNumberOfIdOccurrences === "function") {
+							factor = r.dependency.getNumberOfIdOccurrences();
+						}
+						if (factor === 0) {
+							return sum;
+						}
+						return sum + factor * r.module.getNumberOfChunks();
+					};
+
+					if (preferEntry) {
+						for (const m of modules) {
+							const result =
+								m.reasons.reduce(countOccursInEntry, 0) +
+								initialChunkChunkMap.get(m) +
+								entryCountMap.get(m);
+							occursInInitialChunksMap.set(m, result);
+						}
+					}
+
+					const originalOrder = new Map();
+					let i = 0;
+					for (const m of modules) {
+						const result =
+							m.reasons.reduce(countOccurs, 0) +
+							m.getNumberOfChunks() +
+							entryCountMap.get(m);
+						occursInAllChunksMap.set(m, result);
+						originalOrder.set(m, i++);
+					}
+
+					modules.sort((a, b) => {
+						if (preferEntry) {
+							const aEntryOccurs = occursInInitialChunksMap.get(a);
+							const bEntryOccurs = occursInInitialChunksMap.get(b);
+							if (aEntryOccurs > bEntryOccurs) return -1;
+							if (aEntryOccurs < bEntryOccurs) return 1;
+						}
+						const aOccurs = occursInAllChunksMap.get(a);
+						const bOccurs = occursInAllChunksMap.get(b);
+						if (aOccurs > bOccurs) return -1;
+						if (aOccurs < bOccurs) return 1;
+						const orgA = originalOrder.get(a);
+						const orgB = originalOrder.get(b);
+						return orgA - orgB;
+					});
+				}
+			);
+			compilation.hooks.optimizeChunkOrder.tap(
+				"OccurrenceOrderPlugin",
+				chunks => {
+					const occursInInitialChunksMap = new Map();
+					const originalOrder = new Map();
+
+					let i = 0;
+					for (const c of chunks) {
+						let occurs = 0;
+						for (const chunkGroup of c.groupsIterable) {
+							for (const parent of chunkGroup.parentsIterable) {
+								if (parent.isInitial()) occurs++;
+							}
+						}
+						occursInInitialChunksMap.set(c, occurs);
+						originalOrder.set(c, i++);
+					}
+
+					chunks.sort((a, b) => {
+						const aEntryOccurs = occursInInitialChunksMap.get(a);
+						const bEntryOccurs = occursInInitialChunksMap.get(b);
+						if (aEntryOccurs > bEntryOccurs) return -1;
+						if (aEntryOccurs < bEntryOccurs) return 1;
+						const aOccurs = a.getNumberOfGroups();
+						const bOccurs = b.getNumberOfGroups();
+						if (aOccurs > bOccurs) return -1;
+						if (aOccurs < bOccurs) return 1;
+						const orgA = originalOrder.get(a);
+						const orgB = originalOrder.get(b);
+						return orgA - orgB;
+					});
+				}
+			);
+		});
+	}
+}
+
+module.exports = OccurrenceOrderPlugin;
diff --git a/node_modules/webpack/lib/optimize/RemoveEmptyChunksPlugin.js b/node_modules/webpack/lib/optimize/RemoveEmptyChunksPlugin.js
new file mode 100644
index 00000000..42ba24a1
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/RemoveEmptyChunksPlugin.js
@@ -0,0 +1,42 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class RemoveEmptyChunksPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("RemoveEmptyChunksPlugin", compilation => {
+			const handler = chunks => {
+				for (let i = chunks.length - 1; i >= 0; i--) {
+					const chunk = chunks[i];
+					if (
+						chunk.isEmpty() &&
+						!chunk.hasRuntime() &&
+						!chunk.hasEntryModule()
+					) {
+						chunk.remove("empty");
+						chunks.splice(i, 1);
+					}
+				}
+			};
+			compilation.hooks.optimizeChunksBasic.tap(
+				"RemoveEmptyChunksPlugin",
+				handler
+			);
+			compilation.hooks.optimizeChunksAdvanced.tap(
+				"RemoveEmptyChunksPlugin",
+				handler
+			);
+			compilation.hooks.optimizeExtractedChunksBasic.tap(
+				"RemoveEmptyChunksPlugin",
+				handler
+			);
+			compilation.hooks.optimizeExtractedChunksAdvanced.tap(
+				"RemoveEmptyChunksPlugin",
+				handler
+			);
+		});
+	}
+}
+module.exports = RemoveEmptyChunksPlugin;
diff --git a/node_modules/webpack/lib/optimize/RemoveParentModulesPlugin.js b/node_modules/webpack/lib/optimize/RemoveParentModulesPlugin.js
new file mode 100644
index 00000000..7fff5920
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/RemoveParentModulesPlugin.js
@@ -0,0 +1,127 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Queue = require("../util/Queue");
+const { intersect } = require("../util/SetHelpers");
+
+const getParentChunksWithModule = (currentChunk, module) => {
+	const chunks = [];
+	const stack = new Set(currentChunk.parentsIterable);
+
+	for (const chunk of stack) {
+		if (chunk.containsModule(module)) {
+			chunks.push(chunk);
+		} else {
+			for (const parent of chunk.parentsIterable) {
+				stack.add(parent);
+			}
+		}
+	}
+
+	return chunks;
+};
+
+class RemoveParentModulesPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("RemoveParentModulesPlugin", compilation => {
+			const handler = (chunks, chunkGroups) => {
+				const queue = new Queue();
+				const availableModulesMap = new WeakMap();
+
+				for (const chunkGroup of compilation.entrypoints.values()) {
+					// initialize available modules for chunks without parents
+					availableModulesMap.set(chunkGroup, new Set());
+					for (const child of chunkGroup.childrenIterable) {
+						queue.enqueue(child);
+					}
+				}
+
+				while (queue.length > 0) {
+					const chunkGroup = queue.dequeue();
+					let availableModules = availableModulesMap.get(chunkGroup);
+					let changed = false;
+					for (const parent of chunkGroup.parentsIterable) {
+						const availableModulesInParent = availableModulesMap.get(parent);
+						if (availableModulesInParent !== undefined) {
+							// If we know the available modules in parent: process these
+							if (availableModules === undefined) {
+								// if we have not own info yet: create new entry
+								availableModules = new Set(availableModulesInParent);
+								for (const chunk of parent.chunks) {
+									for (const m of chunk.modulesIterable) {
+										availableModules.add(m);
+									}
+								}
+								availableModulesMap.set(chunkGroup, availableModules);
+								changed = true;
+							} else {
+								for (const m of availableModules) {
+									if (
+										!parent.containsModule(m) &&
+										!availableModulesInParent.has(m)
+									) {
+										availableModules.delete(m);
+										changed = true;
+									}
+								}
+							}
+						}
+					}
+					if (changed) {
+						// if something changed: enqueue our children
+						for (const child of chunkGroup.childrenIterable) {
+							queue.enqueue(child);
+						}
+					}
+				}
+
+				// now we have available modules for every chunk
+				for (const chunk of chunks) {
+					const availableModulesSets = Array.from(
+						chunk.groupsIterable,
+						chunkGroup => availableModulesMap.get(chunkGroup)
+					);
+					if (availableModulesSets.some(s => s === undefined)) continue; // No info about this chunk group
+					const availableModules =
+						availableModulesSets.length === 1
+							? availableModulesSets[0]
+							: intersect(availableModulesSets);
+					const numberOfModules = chunk.getNumberOfModules();
+					const toRemove = new Set();
+					if (numberOfModules < availableModules.size) {
+						for (const m of chunk.modulesIterable) {
+							if (availableModules.has(m)) {
+								toRemove.add(m);
+							}
+						}
+					} else {
+						for (const m of availableModules) {
+							if (chunk.containsModule(m)) {
+								toRemove.add(m);
+							}
+						}
+					}
+					for (const module of toRemove) {
+						module.rewriteChunkInReasons(
+							chunk,
+							getParentChunksWithModule(chunk, module)
+						);
+						chunk.removeModule(module);
+					}
+				}
+			};
+			compilation.hooks.optimizeChunksBasic.tap(
+				"RemoveParentModulesPlugin",
+				handler
+			);
+			compilation.hooks.optimizeExtractedChunksBasic.tap(
+				"RemoveParentModulesPlugin",
+				handler
+			);
+		});
+	}
+}
+module.exports = RemoveParentModulesPlugin;
diff --git a/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js b/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js
new file mode 100644
index 00000000..1325dfc7
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class RuntimeChunkPlugin {
+	constructor(options) {
+		this.options = Object.assign(
+			{
+				name: entrypoint => `runtime~${entrypoint.name}`
+			},
+			options
+		);
+	}
+
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("RuntimeChunkPlugin", compilation => {
+			compilation.hooks.optimizeChunksAdvanced.tap("RuntimeChunkPlugin", () => {
+				for (const entrypoint of compilation.entrypoints.values()) {
+					const chunk = entrypoint.getRuntimeChunk();
+					let name = this.options.name;
+					if (typeof name === "function") {
+						name = name(entrypoint);
+					}
+					if (
+						chunk.getNumberOfModules() > 0 ||
+						!chunk.preventIntegration ||
+						chunk.name !== name
+					) {
+						const newChunk = compilation.addChunk(name);
+						newChunk.preventIntegration = true;
+						entrypoint.unshiftChunk(newChunk);
+						newChunk.addGroup(entrypoint);
+						entrypoint.setRuntimeChunk(newChunk);
+					}
+				}
+			});
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/optimize/SideEffectsFlagPlugin.js b/node_modules/webpack/lib/optimize/SideEffectsFlagPlugin.js
new file mode 100644
index 00000000..5db780c4
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/SideEffectsFlagPlugin.js
@@ -0,0 +1,352 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const mm = require("micromatch");
+const HarmonyExportImportedSpecifierDependency = require("../dependencies/HarmonyExportImportedSpecifierDependency");
+const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency");
+const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency");
+
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../Dependency")} Dependency */
+
+/**
+ * @typedef {Object} ExportInModule
+ * @property {Module} module the module
+ * @property {string} exportName the name of the export
+ * @property {boolean} checked if the export is conditional
+ */
+
+/**
+ * @typedef {Object} ReexportInfo
+ * @property {Map<string, ExportInModule[]>} static
+ * @property {Map<Module, Set<string>>} dynamic
+ */
+
+/**
+ * @param {ReexportInfo} info info object
+ * @param {string} exportName name of export
+ * @returns {ExportInModule | undefined} static export
+ */
+const getMappingFromInfo = (info, exportName) => {
+	const staticMappings = info.static.get(exportName);
+	if (staticMappings !== undefined) {
+		if (staticMappings.length === 1) return staticMappings[0];
+		return undefined;
+	}
+	const dynamicMappings = Array.from(info.dynamic).filter(
+		([_, ignored]) => !ignored.has(exportName)
+	);
+	if (dynamicMappings.length === 1) {
+		return {
+			module: dynamicMappings[0][0],
+			exportName,
+			checked: true
+		};
+	}
+	return undefined;
+};
+
+/**
+ * @param {ReexportInfo} info info object
+ * @param {string} exportName name of export of source module
+ * @param {Module} module the target module
+ * @param {string} innerExportName name of export of target module
+ * @param {boolean} checked true, if existence of target module is checked
+ */
+const addStaticReexport = (
+	info,
+	exportName,
+	module,
+	innerExportName,
+	checked
+) => {
+	let mappings = info.static.get(exportName);
+	if (mappings !== undefined) {
+		for (const mapping of mappings) {
+			if (mapping.module === module && mapping.exportName === innerExportName) {
+				mapping.checked = mapping.checked && checked;
+				return;
+			}
+		}
+	} else {
+		mappings = [];
+		info.static.set(exportName, mappings);
+	}
+	mappings.push({
+		module,
+		exportName: innerExportName,
+		checked
+	});
+};
+
+/**
+ * @param {ReexportInfo} info info object
+ * @param {Module} module the reexport module
+ * @param {Set<string>} ignored ignore list
+ * @returns {void}
+ */
+const addDynamicReexport = (info, module, ignored) => {
+	const existingList = info.dynamic.get(module);
+	if (existingList !== undefined) {
+		for (const key of existingList) {
+			if (!ignored.has(key)) existingList.delete(key);
+		}
+	} else {
+		info.dynamic.set(module, new Set(ignored));
+	}
+};
+
+class SideEffectsFlagPlugin {
+	apply(compiler) {
+		compiler.hooks.normalModuleFactory.tap("SideEffectsFlagPlugin", nmf => {
+			nmf.hooks.module.tap("SideEffectsFlagPlugin", (module, data) => {
+				const resolveData = data.resourceResolveData;
+				if (
+					resolveData &&
+					resolveData.descriptionFileData &&
+					resolveData.relativePath
+				) {
+					const sideEffects = resolveData.descriptionFileData.sideEffects;
+					const hasSideEffects = SideEffectsFlagPlugin.moduleHasSideEffects(
+						resolveData.relativePath,
+						sideEffects
+					);
+					if (!hasSideEffects) {
+						module.factoryMeta.sideEffectFree = true;
+					}
+				}
+
+				return module;
+			});
+			nmf.hooks.module.tap("SideEffectsFlagPlugin", (module, data) => {
+				if (data.settings.sideEffects === false) {
+					module.factoryMeta.sideEffectFree = true;
+				} else if (data.settings.sideEffects === true) {
+					module.factoryMeta.sideEffectFree = false;
+				}
+			});
+		});
+		compiler.hooks.compilation.tap("SideEffectsFlagPlugin", compilation => {
+			compilation.hooks.optimizeDependencies.tap(
+				"SideEffectsFlagPlugin",
+				modules => {
+					/** @type {Map<Module, ReexportInfo>} */
+					const reexportMaps = new Map();
+
+					// Capture reexports of sideEffectFree modules
+					for (const module of modules) {
+						/** @type {Dependency[]} */
+						const removeDependencies = [];
+						for (const dep of module.dependencies) {
+							if (dep instanceof HarmonyImportSideEffectDependency) {
+								if (dep.module && dep.module.factoryMeta.sideEffectFree) {
+									removeDependencies.push(dep);
+								}
+							} else if (
+								dep instanceof HarmonyExportImportedSpecifierDependency
+							) {
+								if (module.factoryMeta.sideEffectFree) {
+									const mode = dep.getMode(true);
+									if (
+										mode.type === "safe-reexport" ||
+										mode.type === "checked-reexport" ||
+										mode.type === "dynamic-reexport" ||
+										mode.type === "reexport-non-harmony-default" ||
+										mode.type === "reexport-non-harmony-default-strict" ||
+										mode.type === "reexport-named-default"
+									) {
+										let info = reexportMaps.get(module);
+										if (!info) {
+											reexportMaps.set(
+												module,
+												(info = {
+													static: new Map(),
+													dynamic: new Map()
+												})
+											);
+										}
+										const targetModule = dep._module;
+										switch (mode.type) {
+											case "safe-reexport":
+												for (const [key, id] of mode.map) {
+													if (id) {
+														addStaticReexport(
+															info,
+															key,
+															targetModule,
+															id,
+															false
+														);
+													}
+												}
+												break;
+											case "checked-reexport":
+												for (const [key, id] of mode.map) {
+													if (id) {
+														addStaticReexport(
+															info,
+															key,
+															targetModule,
+															id,
+															true
+														);
+													}
+												}
+												break;
+											case "dynamic-reexport":
+												addDynamicReexport(info, targetModule, mode.ignored);
+												break;
+											case "reexport-non-harmony-default":
+											case "reexport-non-harmony-default-strict":
+											case "reexport-named-default":
+												addStaticReexport(
+													info,
+													mode.name,
+													targetModule,
+													"default",
+													false
+												);
+												break;
+										}
+									}
+								}
+							}
+						}
+					}
+
+					// Flatten reexports
+					for (const info of reexportMaps.values()) {
+						const dynamicReexports = info.dynamic;
+						info.dynamic = new Map();
+						for (const reexport of dynamicReexports) {
+							let [targetModule, ignored] = reexport;
+							for (;;) {
+								const innerInfo = reexportMaps.get(targetModule);
+								if (!innerInfo) break;
+
+								for (const [key, reexports] of innerInfo.static) {
+									if (ignored.has(key)) continue;
+									for (const { module, exportName, checked } of reexports) {
+										addStaticReexport(info, key, module, exportName, checked);
+									}
+								}
+
+								// Follow dynamic reexport if there is only one
+								if (innerInfo.dynamic.size !== 1) {
+									// When there are more then one, we don't know which one
+									break;
+								}
+
+								ignored = new Set(ignored);
+								for (const [innerModule, innerIgnored] of innerInfo.dynamic) {
+									for (const key of innerIgnored) {
+										if (ignored.has(key)) continue;
+										// This reexports ends here
+										addStaticReexport(info, key, targetModule, key, true);
+										ignored.add(key);
+									}
+									targetModule = innerModule;
+								}
+							}
+
+							// Update reexport as all other cases has been handled
+							addDynamicReexport(info, targetModule, ignored);
+						}
+					}
+
+					for (const info of reexportMaps.values()) {
+						const staticReexports = info.static;
+						info.static = new Map();
+						for (const [key, reexports] of staticReexports) {
+							for (let mapping of reexports) {
+								for (;;) {
+									const innerInfo = reexportMaps.get(mapping.module);
+									if (!innerInfo) break;
+
+									const newMapping = getMappingFromInfo(
+										innerInfo,
+										mapping.exportName
+									);
+									if (!newMapping) break;
+									mapping = newMapping;
+								}
+								addStaticReexport(
+									info,
+									key,
+									mapping.module,
+									mapping.exportName,
+									mapping.checked
+								);
+							}
+						}
+					}
+
+					// Update imports along the reexports from sideEffectFree modules
+					for (const pair of reexportMaps) {
+						const module = pair[0];
+						const info = pair[1];
+						let newReasons = undefined;
+						for (let i = 0; i < module.reasons.length; i++) {
+							const reason = module.reasons[i];
+							const dep = reason.dependency;
+							if (
+								(dep instanceof HarmonyExportImportedSpecifierDependency ||
+									(dep instanceof HarmonyImportSpecifierDependency &&
+										!dep.namespaceObjectAsContext)) &&
+								dep._id
+							) {
+								const mapping = getMappingFromInfo(info, dep._id);
+								if (mapping) {
+									dep.redirectedModule = mapping.module;
+									dep.redirectedId = mapping.exportName;
+									mapping.module.addReason(
+										reason.module,
+										dep,
+										reason.explanation
+											? reason.explanation +
+													" (skipped side-effect-free modules)"
+											: "(skipped side-effect-free modules)"
+									);
+									// removing the currect reason, by not adding it to the newReasons array
+									// lazily create the newReasons array
+									if (newReasons === undefined) {
+										newReasons = i === 0 ? [] : module.reasons.slice(0, i);
+									}
+									continue;
+								}
+							}
+							if (newReasons !== undefined) newReasons.push(reason);
+						}
+						if (newReasons !== undefined) {
+							module.reasons = newReasons;
+						}
+					}
+				}
+			);
+		});
+	}
+
+	static moduleHasSideEffects(moduleName, flagValue) {
+		switch (typeof flagValue) {
+			case "undefined":
+				return true;
+			case "boolean":
+				return flagValue;
+			case "string":
+				if (process.platform === "win32") {
+					flagValue = flagValue.replace(/\\/g, "/");
+				}
+				return mm.isMatch(moduleName, flagValue, {
+					matchBase: true
+				});
+			case "object":
+				return flagValue.some(glob =>
+					SideEffectsFlagPlugin.moduleHasSideEffects(moduleName, glob)
+				);
+		}
+	}
+}
+module.exports = SideEffectsFlagPlugin;
diff --git a/node_modules/webpack/lib/optimize/SplitChunksPlugin.js b/node_modules/webpack/lib/optimize/SplitChunksPlugin.js
new file mode 100644
index 00000000..42f23c9e
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/SplitChunksPlugin.js
@@ -0,0 +1,971 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const SortableSet = require("../util/SortableSet");
+const GraphHelpers = require("../GraphHelpers");
+const { isSubset } = require("../util/SetHelpers");
+const deterministicGrouping = require("../util/deterministicGrouping");
+const MinMaxSizeWarning = require("./MinMaxSizeWarning");
+const contextify = require("../util/identifier").contextify;
+const createHash = require("../util/createHash");
+
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../util/deterministicGrouping").Options<Module>} DeterministicGroupingOptionsForModule */
+/** @typedef {import("../util/deterministicGrouping").GroupedItems<Module>} DeterministicGroupingGroupedItemsForModule */
+
+const deterministicGroupingForModules = /** @type {function(DeterministicGroupingOptionsForModule): DeterministicGroupingGroupedItemsForModule[]} */ (deterministicGrouping);
+
+const hashFilename = name => {
+	return createHash("md4")
+		.update(name)
+		.digest("hex")
+		.slice(0, 8);
+};
+
+const sortByIdentifier = (a, b) => {
+	if (a.identifier() > b.identifier()) return 1;
+	if (a.identifier() < b.identifier()) return -1;
+	return 0;
+};
+
+const getRequests = chunk => {
+	let requests = 0;
+	for (const chunkGroup of chunk.groupsIterable) {
+		requests = Math.max(requests, chunkGroup.chunks.length);
+	}
+	return requests;
+};
+
+const getModulesSize = modules => {
+	let sum = 0;
+	for (const m of modules) {
+		sum += m.size();
+	}
+	return sum;
+};
+
+/**
+ * @template T
+ * @param {Set<T>} a set
+ * @param {Set<T>} b other set
+ * @returns {boolean} true if at least one item of a is in b
+ */
+const isOverlap = (a, b) => {
+	for (const item of a) {
+		if (b.has(item)) return true;
+	}
+	return false;
+};
+
+const compareEntries = (a, b) => {
+	// 1. by priority
+	const diffPriority = a.cacheGroup.priority - b.cacheGroup.priority;
+	if (diffPriority) return diffPriority;
+	// 2. by number of chunks
+	const diffCount = a.chunks.size - b.chunks.size;
+	if (diffCount) return diffCount;
+	// 3. by size reduction
+	const aSizeReduce = a.size * (a.chunks.size - 1);
+	const bSizeReduce = b.size * (b.chunks.size - 1);
+	const diffSizeReduce = aSizeReduce - bSizeReduce;
+	if (diffSizeReduce) return diffSizeReduce;
+	// 4. by cache group index
+	const indexDiff = b.cacheGroupIndex - a.cacheGroupIndex;
+	if (indexDiff) return indexDiff;
+	// 5. by number of modules (to be able to compare by identifier)
+	const modulesA = a.modules;
+	const modulesB = b.modules;
+	const diff = modulesA.size - modulesB.size;
+	if (diff) return diff;
+	// 6. by module identifiers
+	modulesA.sort();
+	modulesB.sort();
+	const aI = modulesA[Symbol.iterator]();
+	const bI = modulesB[Symbol.iterator]();
+	// eslint-disable-next-line no-constant-condition
+	while (true) {
+		const aItem = aI.next();
+		const bItem = bI.next();
+		if (aItem.done) return 0;
+		const aModuleIdentifier = aItem.value.identifier();
+		const bModuleIdentifier = bItem.value.identifier();
+		if (aModuleIdentifier > bModuleIdentifier) return -1;
+		if (aModuleIdentifier < bModuleIdentifier) return 1;
+	}
+};
+
+const compareNumbers = (a, b) => a - b;
+
+const INITIAL_CHUNK_FILTER = chunk => chunk.canBeInitial();
+const ASYNC_CHUNK_FILTER = chunk => !chunk.canBeInitial();
+const ALL_CHUNK_FILTER = chunk => true;
+
+module.exports = class SplitChunksPlugin {
+	constructor(options) {
+		this.options = SplitChunksPlugin.normalizeOptions(options);
+	}
+
+	static normalizeOptions(options = {}) {
+		return {
+			chunksFilter: SplitChunksPlugin.normalizeChunksFilter(
+				options.chunks || "all"
+			),
+			minSize: options.minSize || 0,
+			enforceSizeThreshold: options.enforceSizeThreshold || 0,
+			maxSize: options.maxSize || 0,
+			minChunks: options.minChunks || 1,
+			maxAsyncRequests: options.maxAsyncRequests || 1,
+			maxInitialRequests: options.maxInitialRequests || 1,
+			hidePathInfo: options.hidePathInfo || false,
+			filename: options.filename || undefined,
+			getCacheGroups: SplitChunksPlugin.normalizeCacheGroups({
+				cacheGroups: options.cacheGroups,
+				name: options.name,
+				automaticNameDelimiter: options.automaticNameDelimiter,
+				automaticNameMaxLength: options.automaticNameMaxLength
+			}),
+			automaticNameDelimiter: options.automaticNameDelimiter,
+			automaticNameMaxLength: options.automaticNameMaxLength || 109,
+			fallbackCacheGroup: SplitChunksPlugin.normalizeFallbackCacheGroup(
+				options.fallbackCacheGroup || {},
+				options
+			)
+		};
+	}
+
+	static normalizeName({
+		name,
+		automaticNameDelimiter,
+		automaticNamePrefix,
+		automaticNameMaxLength
+	}) {
+		if (name === true) {
+			/** @type {WeakMap<Chunk[], Record<string, string>>} */
+			const cache = new WeakMap();
+			const fn = (module, chunks, cacheGroup) => {
+				let cacheEntry = cache.get(chunks);
+				if (cacheEntry === undefined) {
+					cacheEntry = {};
+					cache.set(chunks, cacheEntry);
+				} else if (cacheGroup in cacheEntry) {
+					return cacheEntry[cacheGroup];
+				}
+				const names = chunks.map(c => c.name);
+				if (!names.every(Boolean)) {
+					cacheEntry[cacheGroup] = undefined;
+					return;
+				}
+				names.sort();
+				const prefix =
+					typeof automaticNamePrefix === "string"
+						? automaticNamePrefix
+						: cacheGroup;
+				const namePrefix = prefix ? prefix + automaticNameDelimiter : "";
+				let name = namePrefix + names.join(automaticNameDelimiter);
+				// Filenames and paths can't be too long otherwise an
+				// ENAMETOOLONG error is raised. If the generated name if too
+				// long, it is truncated and a hash is appended. The limit has
+				// been set to 109 to prevent `[name].[chunkhash].[ext]` from
+				// generating a 256+ character string.
+				if (name.length > automaticNameMaxLength) {
+					const hashedFilename = hashFilename(name);
+					const sliceLength =
+						automaticNameMaxLength -
+						(automaticNameDelimiter.length + hashedFilename.length);
+					name =
+						name.slice(0, sliceLength) +
+						automaticNameDelimiter +
+						hashedFilename;
+				}
+				cacheEntry[cacheGroup] = name;
+				return name;
+			};
+			return fn;
+		}
+		if (typeof name === "string") {
+			const fn = () => {
+				return name;
+			};
+			return fn;
+		}
+		if (typeof name === "function") return name;
+	}
+
+	static normalizeChunksFilter(chunks) {
+		if (chunks === "initial") {
+			return INITIAL_CHUNK_FILTER;
+		}
+		if (chunks === "async") {
+			return ASYNC_CHUNK_FILTER;
+		}
+		if (chunks === "all") {
+			return ALL_CHUNK_FILTER;
+		}
+		if (typeof chunks === "function") return chunks;
+	}
+
+	static normalizeFallbackCacheGroup(
+		{
+			minSize = undefined,
+			maxSize = undefined,
+			automaticNameDelimiter = undefined
+		},
+		{
+			minSize: defaultMinSize = undefined,
+			maxSize: defaultMaxSize = undefined,
+			automaticNameDelimiter: defaultAutomaticNameDelimiter = undefined
+		}
+	) {
+		return {
+			minSize: typeof minSize === "number" ? minSize : defaultMinSize || 0,
+			maxSize: typeof maxSize === "number" ? maxSize : defaultMaxSize || 0,
+			automaticNameDelimiter:
+				automaticNameDelimiter || defaultAutomaticNameDelimiter || "~"
+		};
+	}
+
+	static normalizeCacheGroups({
+		cacheGroups,
+		name,
+		automaticNameDelimiter,
+		automaticNameMaxLength
+	}) {
+		if (typeof cacheGroups === "function") {
+			// TODO webpack 5 remove this
+			if (cacheGroups.length !== 1) {
+				return module => cacheGroups(module, module.getChunks());
+			}
+			return cacheGroups;
+		}
+		if (cacheGroups && typeof cacheGroups === "object") {
+			const fn = module => {
+				let results;
+				for (const key of Object.keys(cacheGroups)) {
+					let option = cacheGroups[key];
+					if (option === false) continue;
+					if (option instanceof RegExp || typeof option === "string") {
+						option = {
+							test: option
+						};
+					}
+					if (typeof option === "function") {
+						let result = option(module);
+						if (result) {
+							if (results === undefined) results = [];
+							for (const r of Array.isArray(result) ? result : [result]) {
+								const result = Object.assign({ key }, r);
+								if (result.name) result.getName = () => result.name;
+								if (result.chunks) {
+									result.chunksFilter = SplitChunksPlugin.normalizeChunksFilter(
+										result.chunks
+									);
+								}
+								results.push(result);
+							}
+						}
+					} else if (SplitChunksPlugin.checkTest(option.test, module)) {
+						if (results === undefined) results = [];
+						results.push({
+							key: key,
+							priority: option.priority,
+							getName:
+								SplitChunksPlugin.normalizeName({
+									name: option.name || name,
+									automaticNameDelimiter:
+										typeof option.automaticNameDelimiter === "string"
+											? option.automaticNameDelimiter
+											: automaticNameDelimiter,
+									automaticNamePrefix: option.automaticNamePrefix,
+									automaticNameMaxLength:
+										option.automaticNameMaxLength || automaticNameMaxLength
+								}) || (() => {}),
+							chunksFilter: SplitChunksPlugin.normalizeChunksFilter(
+								option.chunks
+							),
+							enforce: option.enforce,
+							minSize: option.minSize,
+							enforceSizeThreshold: option.enforceSizeThreshold,
+							maxSize: option.maxSize,
+							minChunks: option.minChunks,
+							maxAsyncRequests: option.maxAsyncRequests,
+							maxInitialRequests: option.maxInitialRequests,
+							filename: option.filename,
+							reuseExistingChunk: option.reuseExistingChunk
+						});
+					}
+				}
+				return results;
+			};
+			return fn;
+		}
+		const fn = () => {};
+		return fn;
+	}
+
+	static checkTest(test, module) {
+		if (test === undefined) return true;
+		if (typeof test === "function") {
+			if (test.length !== 1) {
+				return test(module, module.getChunks());
+			}
+			return test(module);
+		}
+		if (typeof test === "boolean") return test;
+		if (typeof test === "string") {
+			if (
+				module.nameForCondition &&
+				module.nameForCondition().startsWith(test)
+			) {
+				return true;
+			}
+			for (const chunk of module.chunksIterable) {
+				if (chunk.name && chunk.name.startsWith(test)) {
+					return true;
+				}
+			}
+			return false;
+		}
+		if (test instanceof RegExp) {
+			if (module.nameForCondition && test.test(module.nameForCondition())) {
+				return true;
+			}
+			for (const chunk of module.chunksIterable) {
+				if (chunk.name && test.test(chunk.name)) {
+					return true;
+				}
+			}
+			return false;
+		}
+		return false;
+	}
+
+	/**
+	 * @param {Compiler} compiler webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("SplitChunksPlugin", compilation => {
+			let alreadyOptimized = false;
+			compilation.hooks.unseal.tap("SplitChunksPlugin", () => {
+				alreadyOptimized = false;
+			});
+			compilation.hooks.optimizeChunksAdvanced.tap(
+				"SplitChunksPlugin",
+				chunks => {
+					if (alreadyOptimized) return;
+					alreadyOptimized = true;
+					// Give each selected chunk an index (to create strings from chunks)
+					const indexMap = new Map();
+					let index = 1;
+					for (const chunk of chunks) {
+						indexMap.set(chunk, index++);
+					}
+					const getKey = chunks => {
+						return Array.from(chunks, c => indexMap.get(c))
+							.sort(compareNumbers)
+							.join();
+					};
+					/** @type {Map<string, Set<Chunk>>} */
+					const chunkSetsInGraph = new Map();
+					for (const module of compilation.modules) {
+						const chunksKey = getKey(module.chunksIterable);
+						if (!chunkSetsInGraph.has(chunksKey)) {
+							chunkSetsInGraph.set(chunksKey, new Set(module.chunksIterable));
+						}
+					}
+
+					// group these set of chunks by count
+					// to allow to check less sets via isSubset
+					// (only smaller sets can be subset)
+					/** @type {Map<number, Array<Set<Chunk>>>} */
+					const chunkSetsByCount = new Map();
+					for (const chunksSet of chunkSetsInGraph.values()) {
+						const count = chunksSet.size;
+						let array = chunkSetsByCount.get(count);
+						if (array === undefined) {
+							array = [];
+							chunkSetsByCount.set(count, array);
+						}
+						array.push(chunksSet);
+					}
+
+					// Create a list of possible combinations
+					const combinationsCache = new Map(); // Map<string, Set<Chunk>[]>
+
+					const getCombinations = key => {
+						const chunksSet = chunkSetsInGraph.get(key);
+						var array = [chunksSet];
+						if (chunksSet.size > 1) {
+							for (const [count, setArray] of chunkSetsByCount) {
+								// "equal" is not needed because they would have been merge in the first step
+								if (count < chunksSet.size) {
+									for (const set of setArray) {
+										if (isSubset(chunksSet, set)) {
+											array.push(set);
+										}
+									}
+								}
+							}
+						}
+						return array;
+					};
+
+					/**
+					 * @typedef {Object} SelectedChunksResult
+					 * @property {Chunk[]} chunks the list of chunks
+					 * @property {string} key a key of the list
+					 */
+
+					/**
+					 * @typedef {function(Chunk): boolean} ChunkFilterFunction
+					 */
+
+					/** @type {WeakMap<Set<Chunk>, WeakMap<ChunkFilterFunction, SelectedChunksResult>>} */
+					const selectedChunksCacheByChunksSet = new WeakMap();
+
+					/**
+					 * get list and key by applying the filter function to the list
+					 * It is cached for performance reasons
+					 * @param {Set<Chunk>} chunks list of chunks
+					 * @param {ChunkFilterFunction} chunkFilter filter function for chunks
+					 * @returns {SelectedChunksResult} list and key
+					 */
+					const getSelectedChunks = (chunks, chunkFilter) => {
+						let entry = selectedChunksCacheByChunksSet.get(chunks);
+						if (entry === undefined) {
+							entry = new WeakMap();
+							selectedChunksCacheByChunksSet.set(chunks, entry);
+						}
+						/** @type {SelectedChunksResult} */
+						let entry2 = entry.get(chunkFilter);
+						if (entry2 === undefined) {
+							/** @type {Chunk[]} */
+							const selectedChunks = [];
+							for (const chunk of chunks) {
+								if (chunkFilter(chunk)) selectedChunks.push(chunk);
+							}
+							entry2 = {
+								chunks: selectedChunks,
+								key: getKey(selectedChunks)
+							};
+							entry.set(chunkFilter, entry2);
+						}
+						return entry2;
+					};
+
+					/**
+					 * @typedef {Object} ChunksInfoItem
+					 * @property {SortableSet} modules
+					 * @property {TODO} cacheGroup
+					 * @property {number} cacheGroupIndex
+					 * @property {string} name
+					 * @property {number} size
+					 * @property {Set<Chunk>} chunks
+					 * @property {Set<Chunk>} reuseableChunks
+					 * @property {Set<string>} chunksKeys
+					 */
+
+					// Map a list of chunks to a list of modules
+					// For the key the chunk "index" is used, the value is a SortableSet of modules
+					/** @type {Map<string, ChunksInfoItem>} */
+					const chunksInfoMap = new Map();
+
+					/**
+					 * @param {TODO} cacheGroup the current cache group
+					 * @param {number} cacheGroupIndex the index of the cache group of ordering
+					 * @param {Chunk[]} selectedChunks chunks selected for this module
+					 * @param {string} selectedChunksKey a key of selectedChunks
+					 * @param {Module} module the current module
+					 * @returns {void}
+					 */
+					const addModuleToChunksInfoMap = (
+						cacheGroup,
+						cacheGroupIndex,
+						selectedChunks,
+						selectedChunksKey,
+						module
+					) => {
+						// Break if minimum number of chunks is not reached
+						if (selectedChunks.length < cacheGroup.minChunks) return;
+						// Determine name for split chunk
+						const name = cacheGroup.getName(
+							module,
+							selectedChunks,
+							cacheGroup.key
+						);
+						// Create key for maps
+						// When it has a name we use the name as key
+						// Elsewise we create the key from chunks and cache group key
+						// This automatically merges equal names
+						const key =
+							cacheGroup.key +
+							(name ? ` name:${name}` : ` chunks:${selectedChunksKey}`);
+						// Add module to maps
+						let info = chunksInfoMap.get(key);
+						if (info === undefined) {
+							chunksInfoMap.set(
+								key,
+								(info = {
+									modules: new SortableSet(undefined, sortByIdentifier),
+									cacheGroup,
+									cacheGroupIndex,
+									name,
+									size: 0,
+									chunks: new Set(),
+									reuseableChunks: new Set(),
+									chunksKeys: new Set()
+								})
+							);
+						}
+						const oldSize = info.modules.size;
+						info.modules.add(module);
+						if (info.modules.size !== oldSize) {
+							info.size += module.size();
+						}
+						const oldChunksKeysSize = info.chunksKeys.size;
+						info.chunksKeys.add(selectedChunksKey);
+						if (oldChunksKeysSize !== info.chunksKeys.size) {
+							for (const chunk of selectedChunks) {
+								info.chunks.add(chunk);
+							}
+						}
+					};
+
+					// Walk through all modules
+					for (const module of compilation.modules) {
+						// Get cache group
+						let cacheGroups = this.options.getCacheGroups(module);
+						if (!Array.isArray(cacheGroups) || cacheGroups.length === 0) {
+							continue;
+						}
+
+						// Prepare some values
+						const chunksKey = getKey(module.chunksIterable);
+						let combs = combinationsCache.get(chunksKey);
+						if (combs === undefined) {
+							combs = getCombinations(chunksKey);
+							combinationsCache.set(chunksKey, combs);
+						}
+
+						let cacheGroupIndex = 0;
+						for (const cacheGroupSource of cacheGroups) {
+							const minSize =
+								cacheGroupSource.minSize !== undefined
+									? cacheGroupSource.minSize
+									: cacheGroupSource.enforce
+									? 0
+									: this.options.minSize;
+							const enforceSizeThreshold =
+								cacheGroupSource.enforceSizeThreshold !== undefined
+									? cacheGroupSource.enforceSizeThreshold
+									: cacheGroupSource.enforce
+									? 0
+									: this.options.enforceSizeThreshold;
+							const cacheGroup = {
+								key: cacheGroupSource.key,
+								priority: cacheGroupSource.priority || 0,
+								chunksFilter:
+									cacheGroupSource.chunksFilter || this.options.chunksFilter,
+								minSize,
+								minSizeForMaxSize:
+									cacheGroupSource.minSize !== undefined
+										? cacheGroupSource.minSize
+										: this.options.minSize,
+								enforceSizeThreshold,
+								maxSize:
+									cacheGroupSource.maxSize !== undefined
+										? cacheGroupSource.maxSize
+										: cacheGroupSource.enforce
+										? 0
+										: this.options.maxSize,
+								minChunks:
+									cacheGroupSource.minChunks !== undefined
+										? cacheGroupSource.minChunks
+										: cacheGroupSource.enforce
+										? 1
+										: this.options.minChunks,
+								maxAsyncRequests:
+									cacheGroupSource.maxAsyncRequests !== undefined
+										? cacheGroupSource.maxAsyncRequests
+										: cacheGroupSource.enforce
+										? Infinity
+										: this.options.maxAsyncRequests,
+								maxInitialRequests:
+									cacheGroupSource.maxInitialRequests !== undefined
+										? cacheGroupSource.maxInitialRequests
+										: cacheGroupSource.enforce
+										? Infinity
+										: this.options.maxInitialRequests,
+								getName:
+									cacheGroupSource.getName !== undefined
+										? cacheGroupSource.getName
+										: this.options.getName,
+								filename:
+									cacheGroupSource.filename !== undefined
+										? cacheGroupSource.filename
+										: this.options.filename,
+								automaticNameDelimiter:
+									cacheGroupSource.automaticNameDelimiter !== undefined
+										? cacheGroupSource.automaticNameDelimiter
+										: this.options.automaticNameDelimiter,
+								reuseExistingChunk: cacheGroupSource.reuseExistingChunk,
+								_validateSize: minSize > 0,
+								_conditionalEnforce: enforceSizeThreshold > 0
+							};
+							// For all combination of chunk selection
+							for (const chunkCombination of combs) {
+								// Break if minimum number of chunks is not reached
+								if (chunkCombination.size < cacheGroup.minChunks) continue;
+								// Select chunks by configuration
+								const {
+									chunks: selectedChunks,
+									key: selectedChunksKey
+								} = getSelectedChunks(
+									chunkCombination,
+									cacheGroup.chunksFilter
+								);
+
+								addModuleToChunksInfoMap(
+									cacheGroup,
+									cacheGroupIndex,
+									selectedChunks,
+									selectedChunksKey,
+									module
+								);
+							}
+							cacheGroupIndex++;
+						}
+					}
+
+					// Filter items were size < minSize
+					for (const pair of chunksInfoMap) {
+						const info = pair[1];
+						if (
+							info.cacheGroup._validateSize &&
+							info.size < info.cacheGroup.minSize
+						) {
+							chunksInfoMap.delete(pair[0]);
+						}
+					}
+
+					/** @type {Map<Chunk, {minSize: number, maxSize: number, automaticNameDelimiter: string, keys: string[]}>} */
+					const maxSizeQueueMap = new Map();
+
+					while (chunksInfoMap.size > 0) {
+						// Find best matching entry
+						let bestEntryKey;
+						let bestEntry;
+						for (const pair of chunksInfoMap) {
+							const key = pair[0];
+							const info = pair[1];
+							if (bestEntry === undefined) {
+								bestEntry = info;
+								bestEntryKey = key;
+							} else if (compareEntries(bestEntry, info) < 0) {
+								bestEntry = info;
+								bestEntryKey = key;
+							}
+						}
+
+						const item = bestEntry;
+						chunksInfoMap.delete(bestEntryKey);
+
+						let chunkName = item.name;
+						// Variable for the new chunk (lazy created)
+						/** @type {Chunk} */
+						let newChunk;
+						// When no chunk name, check if we can reuse a chunk instead of creating a new one
+						let isReused = false;
+						if (item.cacheGroup.reuseExistingChunk) {
+							outer: for (const chunk of item.chunks) {
+								if (chunk.getNumberOfModules() !== item.modules.size) continue;
+								if (chunk.hasEntryModule()) continue;
+								for (const module of item.modules) {
+									if (!chunk.containsModule(module)) continue outer;
+								}
+								if (!newChunk || !newChunk.name) {
+									newChunk = chunk;
+								} else if (
+									chunk.name &&
+									chunk.name.length < newChunk.name.length
+								) {
+									newChunk = chunk;
+								} else if (
+									chunk.name &&
+									chunk.name.length === newChunk.name.length &&
+									chunk.name < newChunk.name
+								) {
+									newChunk = chunk;
+								}
+								chunkName = undefined;
+								isReused = true;
+							}
+						}
+						// Check if maxRequests condition can be fulfilled
+
+						const selectedChunks = Array.from(item.chunks).filter(chunk => {
+							// skip if we address ourself
+							return (
+								(!chunkName || chunk.name !== chunkName) && chunk !== newChunk
+							);
+						});
+
+						const enforced =
+							item.cacheGroup._conditionalEnforce &&
+							item.size >= item.cacheGroup.enforceSizeThreshold;
+
+						// Skip when no chunk selected
+						if (selectedChunks.length === 0) continue;
+
+						const usedChunks = new Set(selectedChunks);
+
+						// Check if maxRequests condition can be fulfilled
+						if (
+							!enforced &&
+							(Number.isFinite(item.cacheGroup.maxInitialRequests) ||
+								Number.isFinite(item.cacheGroup.maxAsyncRequests))
+						) {
+							for (const chunk of usedChunks) {
+								// respect max requests
+								const maxRequests = chunk.isOnlyInitial()
+									? item.cacheGroup.maxInitialRequests
+									: chunk.canBeInitial()
+									? Math.min(
+											item.cacheGroup.maxInitialRequests,
+											item.cacheGroup.maxAsyncRequests
+									  )
+									: item.cacheGroup.maxAsyncRequests;
+								if (
+									isFinite(maxRequests) &&
+									getRequests(chunk) >= maxRequests
+								) {
+									usedChunks.delete(chunk);
+								}
+							}
+						}
+
+						outer: for (const chunk of usedChunks) {
+							for (const module of item.modules) {
+								if (chunk.containsModule(module)) continue outer;
+							}
+							usedChunks.delete(chunk);
+						}
+
+						// Were some (invalid) chunks removed from usedChunks?
+						// => readd all modules to the queue, as things could have been changed
+						if (usedChunks.size < selectedChunks.length) {
+							if (usedChunks.size >= item.cacheGroup.minChunks) {
+								const chunksArr = Array.from(usedChunks);
+								for (const module of item.modules) {
+									addModuleToChunksInfoMap(
+										item.cacheGroup,
+										item.cacheGroupIndex,
+										chunksArr,
+										getKey(usedChunks),
+										module
+									);
+								}
+							}
+							continue;
+						}
+
+						// Create the new chunk if not reusing one
+						if (!isReused) {
+							newChunk = compilation.addChunk(chunkName);
+						}
+						// Walk through all chunks
+						for (const chunk of usedChunks) {
+							// Add graph connections for splitted chunk
+							chunk.split(newChunk);
+						}
+
+						// Add a note to the chunk
+						newChunk.chunkReason = isReused
+							? "reused as split chunk"
+							: "split chunk";
+						if (item.cacheGroup.key) {
+							newChunk.chunkReason += ` (cache group: ${item.cacheGroup.key})`;
+						}
+						if (chunkName) {
+							newChunk.chunkReason += ` (name: ${chunkName})`;
+							// If the chosen name is already an entry point we remove the entry point
+							const entrypoint = compilation.entrypoints.get(chunkName);
+							if (entrypoint) {
+								compilation.entrypoints.delete(chunkName);
+								entrypoint.remove();
+								newChunk.entryModule = undefined;
+							}
+						}
+						if (item.cacheGroup.filename) {
+							if (!newChunk.isOnlyInitial()) {
+								throw new Error(
+									"SplitChunksPlugin: You are trying to set a filename for a chunk which is (also) loaded on demand. " +
+										"The runtime can only handle loading of chunks which match the chunkFilename schema. " +
+										"Using a custom filename would fail at runtime. " +
+										`(cache group: ${item.cacheGroup.key})`
+								);
+							}
+							newChunk.filenameTemplate = item.cacheGroup.filename;
+						}
+						if (!isReused) {
+							// Add all modules to the new chunk
+							for (const module of item.modules) {
+								if (typeof module.chunkCondition === "function") {
+									if (!module.chunkCondition(newChunk)) continue;
+								}
+								// Add module to new chunk
+								GraphHelpers.connectChunkAndModule(newChunk, module);
+								// Remove module from used chunks
+								for (const chunk of usedChunks) {
+									chunk.removeModule(module);
+									module.rewriteChunkInReasons(chunk, [newChunk]);
+								}
+							}
+						} else {
+							// Remove all modules from used chunks
+							for (const module of item.modules) {
+								for (const chunk of usedChunks) {
+									chunk.removeModule(module);
+									module.rewriteChunkInReasons(chunk, [newChunk]);
+								}
+							}
+						}
+
+						if (item.cacheGroup.maxSize > 0) {
+							const oldMaxSizeSettings = maxSizeQueueMap.get(newChunk);
+							maxSizeQueueMap.set(newChunk, {
+								minSize: Math.max(
+									oldMaxSizeSettings ? oldMaxSizeSettings.minSize : 0,
+									item.cacheGroup.minSizeForMaxSize
+								),
+								maxSize: Math.min(
+									oldMaxSizeSettings ? oldMaxSizeSettings.maxSize : Infinity,
+									item.cacheGroup.maxSize
+								),
+								automaticNameDelimiter: item.cacheGroup.automaticNameDelimiter,
+								keys: oldMaxSizeSettings
+									? oldMaxSizeSettings.keys.concat(item.cacheGroup.key)
+									: [item.cacheGroup.key]
+							});
+						}
+
+						// remove all modules from other entries and update size
+						for (const [key, info] of chunksInfoMap) {
+							if (isOverlap(info.chunks, usedChunks)) {
+								// update modules and total size
+								// may remove it from the map when < minSize
+								const oldSize = info.modules.size;
+								for (const module of item.modules) {
+									info.modules.delete(module);
+								}
+								if (info.modules.size !== oldSize) {
+									if (info.modules.size === 0) {
+										chunksInfoMap.delete(key);
+										continue;
+									}
+									info.size = getModulesSize(info.modules);
+									if (
+										info.cacheGroup._validateSize &&
+										info.size < info.cacheGroup.minSize
+									) {
+										chunksInfoMap.delete(key);
+									}
+									if (info.modules.size === 0) {
+										chunksInfoMap.delete(key);
+									}
+								}
+							}
+						}
+					}
+
+					const incorrectMinMaxSizeSet = new Set();
+
+					// Make sure that maxSize is fulfilled
+					for (const chunk of compilation.chunks.slice()) {
+						const { minSize, maxSize, automaticNameDelimiter, keys } =
+							maxSizeQueueMap.get(chunk) || this.options.fallbackCacheGroup;
+						if (!maxSize) continue;
+						if (minSize > maxSize) {
+							const warningKey = `${keys && keys.join()} ${minSize} ${maxSize}`;
+							if (!incorrectMinMaxSizeSet.has(warningKey)) {
+								incorrectMinMaxSizeSet.add(warningKey);
+								compilation.warnings.push(
+									new MinMaxSizeWarning(keys, minSize, maxSize)
+								);
+							}
+						}
+						const results = deterministicGroupingForModules({
+							maxSize: Math.max(minSize, maxSize),
+							minSize,
+							items: chunk.modulesIterable,
+							getKey(module) {
+								const ident = contextify(
+									compilation.options.context,
+									module.identifier()
+								);
+								const name = module.nameForCondition
+									? contextify(
+											compilation.options.context,
+											module.nameForCondition()
+									  )
+									: ident.replace(/^.*!|\?[^?!]*$/g, "");
+								const fullKey =
+									name + automaticNameDelimiter + hashFilename(ident);
+								return fullKey.replace(/[\\/?]/g, "_");
+							},
+							getSize(module) {
+								return module.size();
+							}
+						});
+						results.sort((a, b) => {
+							if (a.key < b.key) return -1;
+							if (a.key > b.key) return 1;
+							return 0;
+						});
+						for (let i = 0; i < results.length; i++) {
+							const group = results[i];
+							const key = this.options.hidePathInfo
+								? hashFilename(group.key)
+								: group.key;
+							let name = chunk.name
+								? chunk.name + automaticNameDelimiter + key
+								: null;
+							if (name && name.length > 100) {
+								name =
+									name.slice(0, 100) +
+									automaticNameDelimiter +
+									hashFilename(name);
+							}
+							let newPart;
+							if (i !== results.length - 1) {
+								newPart = compilation.addChunk(name);
+								chunk.split(newPart);
+								newPart.chunkReason = chunk.chunkReason;
+								// Add all modules to the new chunk
+								for (const module of group.items) {
+									if (typeof module.chunkCondition === "function") {
+										if (!module.chunkCondition(newPart)) continue;
+									}
+									// Add module to new chunk
+									GraphHelpers.connectChunkAndModule(newPart, module);
+									// Remove module from used chunks
+									chunk.removeModule(module);
+									module.rewriteChunkInReasons(chunk, [newPart]);
+								}
+							} else {
+								// change the chunk to be a part
+								newPart = chunk;
+								chunk.name = name;
+							}
+						}
+					}
+				}
+			);
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/performance/AssetsOverSizeLimitWarning.js b/node_modules/webpack/lib/performance/AssetsOverSizeLimitWarning.js
new file mode 100644
index 00000000..aac8b65a
--- /dev/null
+++ b/node_modules/webpack/lib/performance/AssetsOverSizeLimitWarning.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+const SizeFormatHelpers = require("../SizeFormatHelpers");
+
+module.exports = class AssetsOverSizeLimitWarning extends WebpackError {
+	constructor(assetsOverSizeLimit, assetLimit) {
+		const assetLists = assetsOverSizeLimit
+			.map(
+				asset =>
+					`\n  ${asset.name} (${SizeFormatHelpers.formatSize(asset.size)})`
+			)
+			.join("");
+
+		super(`asset size limit: The following asset(s) exceed the recommended size limit (${SizeFormatHelpers.formatSize(
+			assetLimit
+		)}).
+This can impact web performance.
+Assets: ${assetLists}`);
+
+		this.name = "AssetsOverSizeLimitWarning";
+		this.assets = assetsOverSizeLimit;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/performance/EntrypointsOverSizeLimitWarning.js b/node_modules/webpack/lib/performance/EntrypointsOverSizeLimitWarning.js
new file mode 100644
index 00000000..3c29553d
--- /dev/null
+++ b/node_modules/webpack/lib/performance/EntrypointsOverSizeLimitWarning.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+const SizeFormatHelpers = require("../SizeFormatHelpers");
+
+module.exports = class EntrypointsOverSizeLimitWarning extends WebpackError {
+	constructor(entrypoints, entrypointLimit) {
+		const entrypointList = entrypoints
+			.map(
+				entrypoint =>
+					`\n  ${entrypoint.name} (${SizeFormatHelpers.formatSize(
+						entrypoint.size
+					)})\n${entrypoint.files.map(asset => `      ${asset}`).join("\n")}`
+			)
+			.join("");
+		super(`entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (${SizeFormatHelpers.formatSize(
+			entrypointLimit
+		)}). This can impact web performance.
+Entrypoints:${entrypointList}\n`);
+
+		this.name = "EntrypointsOverSizeLimitWarning";
+		this.entrypoints = entrypoints;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/performance/NoAsyncChunksWarning.js b/node_modules/webpack/lib/performance/NoAsyncChunksWarning.js
new file mode 100644
index 00000000..c64475f9
--- /dev/null
+++ b/node_modules/webpack/lib/performance/NoAsyncChunksWarning.js
@@ -0,0 +1,21 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+
+module.exports = class NoAsyncChunksWarning extends WebpackError {
+	constructor() {
+		super(
+			"webpack performance recommendations: \n" +
+				"You can limit the size of your bundles by using import() or require.ensure to lazy load some parts of your application.\n" +
+				"For more info visit https://webpack.js.org/guides/code-splitting/"
+		);
+
+		this.name = "NoAsyncChunksWarning";
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/performance/SizeLimitsPlugin.js b/node_modules/webpack/lib/performance/SizeLimitsPlugin.js
new file mode 100644
index 00000000..7b45740c
--- /dev/null
+++ b/node_modules/webpack/lib/performance/SizeLimitsPlugin.js
@@ -0,0 +1,125 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+const EntrypointsOverSizeLimitWarning = require("./EntrypointsOverSizeLimitWarning");
+const AssetsOverSizeLimitWarning = require("./AssetsOverSizeLimitWarning");
+const NoAsyncChunksWarning = require("./NoAsyncChunksWarning");
+
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Entrypoint")} Entrypoint */
+
+module.exports = class SizeLimitsPlugin {
+	constructor(options) {
+		this.hints = options.hints;
+		this.maxAssetSize = options.maxAssetSize;
+		this.maxEntrypointSize = options.maxEntrypointSize;
+		this.assetFilter = options.assetFilter;
+	}
+
+	/**
+	 * @param {Compiler} compiler webpack compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const entrypointSizeLimit = this.maxEntrypointSize;
+		const assetSizeLimit = this.maxAssetSize;
+		const hints = this.hints;
+		const assetFilter =
+			this.assetFilter || ((name, source, info) => !info.development);
+
+		compiler.hooks.afterEmit.tap("SizeLimitsPlugin", compilation => {
+			const warnings = [];
+
+			/**
+			 * @param {Entrypoint} entrypoint an entrypoint
+			 * @returns {number} the size of the entrypoint
+			 */
+			const getEntrypointSize = entrypoint =>
+				entrypoint.getFiles().reduce((currentSize, file) => {
+					const asset = compilation.getAsset(file);
+					if (
+						asset &&
+						assetFilter(asset.name, asset.source, asset.info) &&
+						asset.source
+					) {
+						return currentSize + (asset.info.size || asset.source.size());
+					}
+
+					return currentSize;
+				}, 0);
+
+			const assetsOverSizeLimit = [];
+			for (const { name, source, info } of compilation.getAssets()) {
+				if (!assetFilter(name, source, info) || !source) {
+					continue;
+				}
+
+				const size = info.size || source.size();
+				if (size > assetSizeLimit) {
+					assetsOverSizeLimit.push({
+						name,
+						size
+					});
+					/** @type {any} */ (source).isOverSizeLimit = true;
+				}
+			}
+
+			const fileFilter = name => {
+				const asset = compilation.getAsset(name);
+				return asset && assetFilter(asset.name, asset.source, asset.info);
+			};
+
+			const entrypointsOverLimit = [];
+			for (const [name, entry] of compilation.entrypoints) {
+				const size = getEntrypointSize(entry);
+
+				if (size > entrypointSizeLimit) {
+					entrypointsOverLimit.push({
+						name: name,
+						size: size,
+						files: entry.getFiles().filter(fileFilter)
+					});
+					/** @type {any} */ (entry).isOverSizeLimit = true;
+				}
+			}
+
+			if (hints) {
+				// 1. Individual Chunk: Size < 250kb
+				// 2. Collective Initial Chunks [entrypoint] (Each Set?): Size < 250kb
+				// 3. No Async Chunks
+				// if !1, then 2, if !2 return
+				if (assetsOverSizeLimit.length > 0) {
+					warnings.push(
+						new AssetsOverSizeLimitWarning(assetsOverSizeLimit, assetSizeLimit)
+					);
+				}
+				if (entrypointsOverLimit.length > 0) {
+					warnings.push(
+						new EntrypointsOverSizeLimitWarning(
+							entrypointsOverLimit,
+							entrypointSizeLimit
+						)
+					);
+				}
+
+				if (warnings.length > 0) {
+					const hasAsyncChunks =
+						compilation.chunks.filter(chunk => !chunk.canBeInitial()).length >
+						0;
+
+					if (!hasAsyncChunks) {
+						warnings.push(new NoAsyncChunksWarning());
+					}
+
+					if (hints === "error") {
+						compilation.errors.push(...warnings);
+					} else {
+						compilation.warnings.push(...warnings);
+					}
+				}
+			}
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/util/LazyBucketSortedSet.js b/node_modules/webpack/lib/util/LazyBucketSortedSet.js
new file mode 100644
index 00000000..61d3d3f2
--- /dev/null
+++ b/node_modules/webpack/lib/util/LazyBucketSortedSet.js
@@ -0,0 +1,235 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const SortableSet = require("./SortableSet");
+
+/**
+ * @template T
+ * @template K
+ * Multi layer bucket sorted set
+ * Supports adding non-existing items (DO NOT ADD ITEM TWICE)
+ * Supports removing exiting items (DO NOT REMOVE ITEM NOT IN SET)
+ * Supports popping the first items according to defined order
+ * Supports iterating all items without order
+ * Supports updating an item in an efficient way
+ * Supports size property, which is the number of items
+ * Items are lazy partially sorted when needed
+ */
+class LazyBucketSortedSet {
+	/**
+	 * @param {function(T): K} getKey function to get key from item
+	 * @param {function(K, K): number} comparator comparator to sort keys
+	 * @param  {...((function(T): any) | (function(any, any): number))} args more pairs of getKey and comparator plus optional final comparator for the last layer
+	 */
+	constructor(getKey, comparator, ...args) {
+		this._getKey = getKey;
+		this._innerArgs = args;
+		this._leaf = args.length <= 1;
+		this._keys = new SortableSet(undefined, comparator);
+		/** @type {Map<K, LazyBucketSortedSet<T, any> | SortableSet<T>>} */
+		this._map = new Map();
+		this._unsortedItems = new Set();
+		this.size = 0;
+	}
+
+	/**
+	 * @param {T} item an item
+	 * @returns {void}
+	 */
+	add(item) {
+		this.size++;
+		this._unsortedItems.add(item);
+	}
+
+	/**
+	 * @param {K} key key of item
+	 * @param {T} item the item
+	 * @returns {void}
+	 */
+	_addInternal(key, item) {
+		let entry = this._map.get(key);
+		if (entry === undefined) {
+			entry = this._leaf
+				? new SortableSet(undefined, this._innerArgs[0])
+				: new /** @type {any} */ (LazyBucketSortedSet)(...this._innerArgs);
+			this._keys.add(key);
+			this._map.set(key, entry);
+		}
+		entry.add(item);
+	}
+
+	/**
+	 * @param {T} item an item
+	 * @returns {void}
+	 */
+	delete(item) {
+		this.size--;
+		if (this._unsortedItems.has(item)) {
+			this._unsortedItems.delete(item);
+			return;
+		}
+		const key = this._getKey(item);
+		const entry = this._map.get(key);
+		entry.delete(item);
+		if (entry.size === 0) {
+			this._deleteKey(key);
+		}
+	}
+
+	/**
+	 * @param {K} key key to be removed
+	 * @returns {void}
+	 */
+	_deleteKey(key) {
+		this._keys.delete(key);
+		this._map.delete(key);
+	}
+
+	/**
+	 * @returns {T | undefined} an item
+	 */
+	popFirst() {
+		if (this.size === 0) return undefined;
+		this.size--;
+		if (this._unsortedItems.size > 0) {
+			for (const item of this._unsortedItems) {
+				const key = this._getKey(item);
+				this._addInternal(key, item);
+			}
+			this._unsortedItems.clear();
+		}
+		this._keys.sort();
+		const key = this._keys.values().next().value;
+		const entry = this._map.get(key);
+		if (this._leaf) {
+			const leafEntry = /** @type {SortableSet<T>} */ (entry);
+			leafEntry.sort();
+			const item = leafEntry.values().next().value;
+			leafEntry.delete(item);
+			if (leafEntry.size === 0) {
+				this._deleteKey(key);
+			}
+			return item;
+		} else {
+			const nodeEntry = /** @type {LazyBucketSortedSet<T, any>} */ (entry);
+			const item = nodeEntry.popFirst();
+			if (nodeEntry.size === 0) {
+				this._deleteKey(key);
+			}
+			return item;
+		}
+	}
+
+	/**
+	 * @param {T} item to be updated item
+	 * @returns {function(true=): void} finish update
+	 */
+	startUpdate(item) {
+		if (this._unsortedItems.has(item)) {
+			return remove => {
+				if (remove) {
+					this._unsortedItems.delete(item);
+					this.size--;
+					return;
+				}
+			};
+		}
+		const key = this._getKey(item);
+		if (this._leaf) {
+			const oldEntry = /** @type {SortableSet<T>} */ (this._map.get(key));
+			return remove => {
+				if (remove) {
+					this.size--;
+					oldEntry.delete(item);
+					if (oldEntry.size === 0) {
+						this._deleteKey(key);
+					}
+					return;
+				}
+				const newKey = this._getKey(item);
+				if (key === newKey) {
+					// This flags the sortable set as unordered
+					oldEntry.add(item);
+				} else {
+					oldEntry.delete(item);
+					if (oldEntry.size === 0) {
+						this._deleteKey(key);
+					}
+					this._addInternal(newKey, item);
+				}
+			};
+		} else {
+			const oldEntry = /** @type {LazyBucketSortedSet<T, any>} */ (this._map.get(
+				key
+			));
+			const finishUpdate = oldEntry.startUpdate(item);
+			return remove => {
+				if (remove) {
+					this.size--;
+					finishUpdate(true);
+					if (oldEntry.size === 0) {
+						this._deleteKey(key);
+					}
+					return;
+				}
+				const newKey = this._getKey(item);
+				if (key === newKey) {
+					finishUpdate();
+				} else {
+					finishUpdate(true);
+					if (oldEntry.size === 0) {
+						this._deleteKey(key);
+					}
+					this._addInternal(newKey, item);
+				}
+			};
+		}
+	}
+
+	/**
+	 * @param {Iterator<T>[]} iterators list of iterators to append to
+	 * @returns {void}
+	 */
+	_appendIterators(iterators) {
+		if (this._unsortedItems.size > 0)
+			iterators.push(this._unsortedItems[Symbol.iterator]());
+		for (const key of this._keys) {
+			const entry = this._map.get(key);
+			if (this._leaf) {
+				const leafEntry = /** @type {SortableSet<T>} */ (entry);
+				const iterator = leafEntry[Symbol.iterator]();
+				iterators.push(iterator);
+			} else {
+				const nodeEntry = /** @type {LazyBucketSortedSet<T, any>} */ (entry);
+				nodeEntry._appendIterators(iterators);
+			}
+		}
+	}
+
+	/**
+	 * @returns {Iterator<T>} the iterator
+	 */
+	[Symbol.iterator]() {
+		const iterators = [];
+		this._appendIterators(iterators);
+		iterators.reverse();
+		let currentIterator = iterators.pop();
+		return {
+			next: () => {
+				const res = currentIterator.next();
+				if (res.done) {
+					if (iterators.length === 0) return res;
+					currentIterator = iterators.pop();
+					return currentIterator.next();
+				}
+				return res;
+			}
+		};
+	}
+}
+
+module.exports = LazyBucketSortedSet;
diff --git a/node_modules/webpack/lib/util/Queue.js b/node_modules/webpack/lib/util/Queue.js
new file mode 100644
index 00000000..6615e9f7
--- /dev/null
+++ b/node_modules/webpack/lib/util/Queue.js
@@ -0,0 +1,46 @@
+"use strict";
+
+/**
+ * @template T
+ */
+class Queue {
+	/**
+	 * @param {Iterable<T>=} items The initial elements.
+	 */
+	constructor(items) {
+		/** @private @type {Set<T>} */
+		this.set = new Set(items);
+		/** @private @type {Iterator<T>} */
+		this.iterator = this.set[Symbol.iterator]();
+	}
+
+	/**
+	 * Returns the number of elements in this queue.
+	 * @returns {number} The number of elements in this queue.
+	 */
+	get length() {
+		return this.set.size;
+	}
+
+	/**
+	 * Appends the specified element to this queue.
+	 * @param {T} item The element to add.
+	 * @returns {void}
+	 */
+	enqueue(item) {
+		this.set.add(item);
+	}
+
+	/**
+	 * Retrieves and removes the head of this queue.
+	 * @returns {T | undefined} The head of the queue of `undefined` if this queue is empty.
+	 */
+	dequeue() {
+		const result = this.iterator.next();
+		if (result.done) return undefined;
+		this.set.delete(result.value);
+		return result.value;
+	}
+}
+
+module.exports = Queue;
diff --git a/node_modules/webpack/lib/util/Semaphore.js b/node_modules/webpack/lib/util/Semaphore.js
new file mode 100644
index 00000000..d6c87665
--- /dev/null
+++ b/node_modules/webpack/lib/util/Semaphore.js
@@ -0,0 +1,53 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class Semaphore {
+	/**
+	 * Creates an instance of Semaphore.
+	 *
+	 * @param {number} available the amount available number of "tasks"
+	 * in the Semaphore
+	 */
+	constructor(available) {
+		this.available = available;
+		/** @type {(function(): void)[]} */
+		this.waiters = [];
+		/** @private */
+		this._continue = this._continue.bind(this);
+	}
+
+	/**
+	 * @param {function(): void} callback function block to capture and run
+	 * @returns {void}
+	 */
+	acquire(callback) {
+		if (this.available > 0) {
+			this.available--;
+			callback();
+		} else {
+			this.waiters.push(callback);
+		}
+	}
+
+	release() {
+		this.available++;
+		if (this.waiters.length > 0) {
+			process.nextTick(this._continue);
+		}
+	}
+
+	_continue() {
+		if (this.available > 0) {
+			if (this.waiters.length > 0) {
+				this.available--;
+				const callback = this.waiters.pop();
+				callback();
+			}
+		}
+	}
+}
+
+module.exports = Semaphore;
diff --git a/node_modules/webpack/lib/util/SetHelpers.js b/node_modules/webpack/lib/util/SetHelpers.js
new file mode 100644
index 00000000..96c063c7
--- /dev/null
+++ b/node_modules/webpack/lib/util/SetHelpers.js
@@ -0,0 +1,48 @@
+"use strict";
+
+/**
+ * intersect creates Set containing the intersection of elements between all sets
+ * @param {Set[]} sets an array of sets being checked for shared elements
+ * @returns {Set<TODO>} returns a new Set containing the intersecting items
+ */
+const intersect = sets => {
+	if (sets.length === 0) return new Set();
+	if (sets.length === 1) return new Set(sets[0]);
+	let minSize = Infinity;
+	let minIndex = -1;
+	for (let i = 0; i < sets.length; i++) {
+		const size = sets[i].size;
+		if (size < minSize) {
+			minIndex = i;
+			minSize = size;
+		}
+	}
+	const current = new Set(sets[minIndex]);
+	for (let i = 0; i < sets.length; i++) {
+		if (i === minIndex) continue;
+		const set = sets[i];
+		for (const item of current) {
+			if (!set.has(item)) {
+				current.delete(item);
+			}
+		}
+	}
+	return current;
+};
+
+/**
+ * Checks if a set is the subset of another set
+ * @param {Set<TODO>} bigSet a Set which contains the original elements to compare against
+ * @param {Set<TODO>} smallSet the set whos elements might be contained inside of bigSet
+ * @returns {boolean} returns true if smallSet contains all elements inside of the bigSet
+ */
+const isSubset = (bigSet, smallSet) => {
+	if (bigSet.size < smallSet.size) return false;
+	for (const item of smallSet) {
+		if (!bigSet.has(item)) return false;
+	}
+	return true;
+};
+
+exports.intersect = intersect;
+exports.isSubset = isSubset;
diff --git a/node_modules/webpack/lib/util/SortableSet.js b/node_modules/webpack/lib/util/SortableSet.js
new file mode 100644
index 00000000..44b692f3
--- /dev/null
+++ b/node_modules/webpack/lib/util/SortableSet.js
@@ -0,0 +1,140 @@
+"use strict";
+
+/**
+ * A subset of Set that offers sorting functionality
+ * @template T item type in set
+ * @extends {Set<T>}
+ */
+class SortableSet extends Set {
+	/**
+	 * Create a new sortable set
+	 * @param {Iterable<T>=} initialIterable The initial iterable value
+	 * @typedef {function(T, T): number} SortFunction
+	 * @param {SortFunction=} defaultSort Default sorting function
+	 */
+	constructor(initialIterable, defaultSort) {
+		super(initialIterable);
+		/** @private @type {function(T, T): number}} */
+		this._sortFn = defaultSort;
+		/** @private @type {function(T, T): number} | null} */
+		this._lastActiveSortFn = null;
+		/** @private @type {Map<Function, T[]> | undefined} */
+		this._cache = undefined;
+		/** @private @type {Map<Function, T[]|string|number> | undefined} */
+		this._cacheOrderIndependent = undefined;
+	}
+
+	/**
+	 * @param {T} value value to add to set
+	 * @returns {this} returns itself
+	 */
+	add(value) {
+		this._lastActiveSortFn = null;
+		this._invalidateCache();
+		this._invalidateOrderedCache();
+		super.add(value);
+		return this;
+	}
+
+	/**
+	 * @param {T} value value to delete
+	 * @returns {boolean} true if value existed in set, false otherwise
+	 */
+	delete(value) {
+		this._invalidateCache();
+		this._invalidateOrderedCache();
+		return super.delete(value);
+	}
+
+	/**
+	 * @returns {void}
+	 */
+	clear() {
+		this._invalidateCache();
+		this._invalidateOrderedCache();
+		return super.clear();
+	}
+
+	/**
+	 * Sort with a comparer function
+	 * @param {SortFunction} sortFn Sorting comparer function
+	 * @returns {void}
+	 */
+	sortWith(sortFn) {
+		if (this.size <= 1 || sortFn === this._lastActiveSortFn) {
+			// already sorted - nothing to do
+			return;
+		}
+
+		const sortedArray = Array.from(this).sort(sortFn);
+		super.clear();
+		for (let i = 0; i < sortedArray.length; i += 1) {
+			super.add(sortedArray[i]);
+		}
+		this._lastActiveSortFn = sortFn;
+		this._invalidateCache();
+	}
+
+	sort() {
+		this.sortWith(this._sortFn);
+	}
+
+	/**
+	 * Get data from cache
+	 * @param {function(SortableSet<T>): T[]} fn function to calculate value
+	 * @returns {T[]} returns result of fn(this), cached until set changes
+	 */
+	getFromCache(fn) {
+		if (this._cache === undefined) {
+			this._cache = new Map();
+		} else {
+			const data = this._cache.get(fn);
+			if (data !== undefined) {
+				return data;
+			}
+		}
+		const newData = fn(this);
+		this._cache.set(fn, newData);
+		return newData;
+	}
+
+	/**
+	 * @param {function(SortableSet<T>): string|number|T[]} fn function to calculate value
+	 * @returns {any} returns result of fn(this), cached until set changes
+	 */
+	getFromUnorderedCache(fn) {
+		if (this._cacheOrderIndependent === undefined) {
+			this._cacheOrderIndependent = new Map();
+		} else {
+			const data = this._cacheOrderIndependent.get(fn);
+			if (data !== undefined) {
+				return data;
+			}
+		}
+		const newData = fn(this);
+		this._cacheOrderIndependent.set(fn, newData);
+		return newData;
+	}
+
+	/**
+	 * @private
+	 * @returns {void}
+	 */
+	_invalidateCache() {
+		if (this._cache !== undefined) {
+			this._cache.clear();
+		}
+	}
+
+	/**
+	 * @private
+	 * @returns {void}
+	 */
+	_invalidateOrderedCache() {
+		if (this._cacheOrderIndependent !== undefined) {
+			this._cacheOrderIndependent.clear();
+		}
+	}
+}
+
+module.exports = SortableSet;
diff --git a/node_modules/webpack/lib/util/StackedSetMap.js b/node_modules/webpack/lib/util/StackedSetMap.js
new file mode 100644
index 00000000..1805155b
--- /dev/null
+++ b/node_modules/webpack/lib/util/StackedSetMap.js
@@ -0,0 +1,142 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+
+const TOMBSTONE = {};
+const UNDEFINED_MARKER = {};
+
+class StackedSetMap {
+	constructor(parentStack) {
+		this.stack = parentStack === undefined ? [] : parentStack.slice();
+		this.map = new Map();
+		this.stack.push(this.map);
+	}
+
+	add(item) {
+		this.map.set(item, true);
+	}
+
+	set(item, value) {
+		this.map.set(item, value === undefined ? UNDEFINED_MARKER : value);
+	}
+
+	delete(item) {
+		if (this.stack.length > 1) {
+			this.map.set(item, TOMBSTONE);
+		} else {
+			this.map.delete(item);
+		}
+	}
+
+	has(item) {
+		const topValue = this.map.get(item);
+		if (topValue !== undefined) return topValue !== TOMBSTONE;
+		if (this.stack.length > 1) {
+			for (var i = this.stack.length - 2; i >= 0; i--) {
+				const value = this.stack[i].get(item);
+				if (value !== undefined) {
+					this.map.set(item, value);
+					return value !== TOMBSTONE;
+				}
+			}
+			this.map.set(item, TOMBSTONE);
+		}
+		return false;
+	}
+
+	get(item) {
+		const topValue = this.map.get(item);
+		if (topValue !== undefined) {
+			return topValue === TOMBSTONE || topValue === UNDEFINED_MARKER
+				? undefined
+				: topValue;
+		}
+		if (this.stack.length > 1) {
+			for (var i = this.stack.length - 2; i >= 0; i--) {
+				const value = this.stack[i].get(item);
+				if (value !== undefined) {
+					this.map.set(item, value);
+					return value === TOMBSTONE || value === UNDEFINED_MARKER
+						? undefined
+						: value;
+				}
+			}
+			this.map.set(item, TOMBSTONE);
+		}
+		return undefined;
+	}
+
+	_compress() {
+		if (this.stack.length === 1) return;
+		this.map = new Map();
+		for (const data of this.stack) {
+			for (const pair of data) {
+				if (pair[1] === TOMBSTONE) {
+					this.map.delete(pair[0]);
+				} else {
+					this.map.set(pair[0], pair[1]);
+				}
+			}
+		}
+		this.stack = [this.map];
+	}
+
+	asArray() {
+		this._compress();
+		return Array.from(this.map.entries(), pair => pair[0]);
+	}
+
+	asSet() {
+		return new Set(this.asArray());
+	}
+
+	asPairArray() {
+		this._compress();
+		return Array.from(this.map.entries(), pair =>
+			/** @type {[TODO, TODO]} */ (pair[1] === UNDEFINED_MARKER
+				? [pair[0], undefined]
+				: pair)
+		);
+	}
+
+	asMap() {
+		return new Map(this.asPairArray());
+	}
+
+	get size() {
+		this._compress();
+		return this.map.size;
+	}
+
+	createChild() {
+		return new StackedSetMap(this.stack);
+	}
+
+	get length() {
+		throw new Error("This is no longer an Array");
+	}
+
+	set length(value) {
+		throw new Error("This is no longer an Array");
+	}
+}
+
+// TODO remove in webpack 5
+StackedSetMap.prototype.push = util.deprecate(
+	/**
+	 * @deprecated
+	 * @this {StackedSetMap}
+	 * @param {any} item Item to add
+	 * @returns {void}
+	 */
+	function(item) {
+		this.add(item);
+	},
+	"This is no longer an Array: Use add instead."
+);
+
+module.exports = StackedSetMap;
diff --git a/node_modules/webpack/lib/util/TrackingSet.js b/node_modules/webpack/lib/util/TrackingSet.js
new file mode 100644
index 00000000..b52a4409
--- /dev/null
+++ b/node_modules/webpack/lib/util/TrackingSet.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports = class TrackingSet {
+	constructor(set) {
+		this.set = set;
+		this.set2 = new Set();
+		this.stack = set.stack;
+	}
+
+	add(item) {
+		this.set2.add(item);
+		return this.set.add(item);
+	}
+
+	delete(item) {
+		this.set2.delete(item);
+		return this.set.delete(item);
+	}
+
+	has(item) {
+		return this.set.has(item);
+	}
+
+	createChild() {
+		return this.set.createChild();
+	}
+
+	getAddedItems() {
+		return this.set2;
+	}
+};
diff --git a/node_modules/webpack/lib/util/cachedMerge.js b/node_modules/webpack/lib/util/cachedMerge.js
new file mode 100644
index 00000000..124f647a
--- /dev/null
+++ b/node_modules/webpack/lib/util/cachedMerge.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const mergeCache = new WeakMap();
+
+/**
+ * Merges two given objects and caches the result to avoid computation if same objects passed as arguments again.
+ * @example
+ * // performs Object.assign(first, second), stores the result in WeakMap and returns result
+ * cachedMerge({a: 1}, {a: 2})
+ * {a: 2}
+ *  // when same arguments passed, gets the result from WeakMap and returns it.
+ * cachedMerge({a: 1}, {a: 2})
+ * {a: 2}
+ * @param {object} first first object
+ * @param {object} second second object
+ * @returns {object} merged object of first and second object
+ */
+const cachedMerge = (first, second) => {
+	let innerCache = mergeCache.get(first);
+	if (innerCache === undefined) {
+		innerCache = new WeakMap();
+		mergeCache.set(first, innerCache);
+	}
+	const prevMerge = innerCache.get(second);
+	if (prevMerge !== undefined) return prevMerge;
+	const newMerge = Object.assign({}, first, second);
+	innerCache.set(second, newMerge);
+	return newMerge;
+};
+
+module.exports = cachedMerge;
diff --git a/node_modules/webpack/lib/util/cleverMerge.js b/node_modules/webpack/lib/util/cleverMerge.js
new file mode 100644
index 00000000..23060ced
--- /dev/null
+++ b/node_modules/webpack/lib/util/cleverMerge.js
@@ -0,0 +1,77 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const mergeCache = new WeakMap();
+
+/**
+ * Merges two given objects and caches the result to avoid computation if same objects passed as arguments again.
+ * @example
+ * // performs cleverMerge(first, second), stores the result in WeakMap and returns result
+ * cachedCleverMerge({a: 1}, {a: 2})
+ * {a: 2}
+ *  // when same arguments passed, gets the result from WeakMap and returns it.
+ * cachedCleverMerge({a: 1}, {a: 2})
+ * {a: 2}
+ * @param {object} first first object
+ * @param {object} second second object
+ * @returns {object} merged object of first and second object
+ */
+const cachedCleverMerge = (first, second) => {
+	let innerCache = mergeCache.get(first);
+	if (innerCache === undefined) {
+		innerCache = new WeakMap();
+		mergeCache.set(first, innerCache);
+	}
+	const prevMerge = innerCache.get(second);
+	if (prevMerge !== undefined) return prevMerge;
+	const newMerge = cleverMerge(first, second);
+	innerCache.set(second, newMerge);
+	return newMerge;
+};
+
+/**
+ * Merges two objects. Objects are not deeply merged.
+ * TODO webpack 5: merge objects deeply clever.
+ * Arrays might reference the old value with "..."
+ * @param {object} first first object
+ * @param {object} second second object
+ * @returns {object} merged object of first and second object
+ */
+const cleverMerge = (first, second) => {
+	const newObject = Object.assign({}, first);
+	for (const key of Object.keys(second)) {
+		if (!(key in newObject)) {
+			newObject[key] = second[key];
+			continue;
+		}
+		const secondValue = second[key];
+		if (!Array.isArray(secondValue)) {
+			newObject[key] = secondValue;
+			continue;
+		}
+		const firstValue = newObject[key];
+		if (Array.isArray(firstValue)) {
+			const newArray = [];
+			for (const item of secondValue) {
+				if (item === "...") {
+					for (const item of firstValue) {
+						newArray.push(item);
+					}
+				} else {
+					newArray.push(item);
+				}
+			}
+			newObject[key] = newArray;
+		} else {
+			newObject[key] = secondValue;
+		}
+	}
+	return newObject;
+};
+
+exports.cachedCleverMerge = cachedCleverMerge;
+exports.cleverMerge = cleverMerge;
diff --git a/node_modules/webpack/lib/util/createHash.js b/node_modules/webpack/lib/util/createHash.js
new file mode 100644
index 00000000..d9f457e4
--- /dev/null
+++ b/node_modules/webpack/lib/util/createHash.js
@@ -0,0 +1,174 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const AbstractMethodError = require("../AbstractMethodError");
+
+const BULK_SIZE = 1000;
+
+class Hash {
+	/**
+	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
+	 * @param {string|Buffer} data data
+	 * @param {string=} inputEncoding data encoding
+	 * @returns {this} updated hash
+	 */
+	update(data, inputEncoding) {
+		throw new AbstractMethodError();
+	}
+
+	/**
+	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
+	 * @param {string=} encoding encoding of the return value
+	 * @returns {string|Buffer} digest
+	 */
+	digest(encoding) {
+		throw new AbstractMethodError();
+	}
+}
+
+class BulkUpdateDecorator extends Hash {
+	/**
+	 * @param {Hash} hash hash
+	 */
+	constructor(hash) {
+		super();
+		this.hash = hash;
+		this.buffer = "";
+	}
+
+	/**
+	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
+	 * @param {string|Buffer} data data
+	 * @param {string=} inputEncoding data encoding
+	 * @returns {this} updated hash
+	 */
+	update(data, inputEncoding) {
+		if (
+			inputEncoding !== undefined ||
+			typeof data !== "string" ||
+			data.length > BULK_SIZE
+		) {
+			if (this.buffer.length > 0) {
+				this.hash.update(this.buffer);
+				this.buffer = "";
+			}
+			this.hash.update(data, inputEncoding);
+		} else {
+			this.buffer += data;
+			if (this.buffer.length > BULK_SIZE) {
+				this.hash.update(this.buffer);
+				this.buffer = "";
+			}
+		}
+		return this;
+	}
+
+	/**
+	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
+	 * @param {string=} encoding encoding of the return value
+	 * @returns {string|Buffer} digest
+	 */
+	digest(encoding) {
+		if (this.buffer.length > 0) {
+			this.hash.update(this.buffer);
+		}
+		var digestResult = this.hash.digest(encoding);
+		return typeof digestResult === "string"
+			? digestResult
+			: digestResult.toString();
+	}
+}
+
+/**
+ * istanbul ignore next
+ */
+class DebugHash extends Hash {
+	constructor() {
+		super();
+		this.string = "";
+	}
+
+	/**
+	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
+	 * @param {string|Buffer} data data
+	 * @param {string=} inputEncoding data encoding
+	 * @returns {this} updated hash
+	 */
+	update(data, inputEncoding) {
+		if (typeof data !== "string") data = data.toString("utf-8");
+		this.string += data;
+		return this;
+	}
+
+	/**
+	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
+	 * @param {string=} encoding encoding of the return value
+	 * @returns {string|Buffer} digest
+	 */
+	digest(encoding) {
+		return this.string.replace(/[^a-z0-9]+/gi, m =>
+			Buffer.from(m).toString("hex")
+		);
+	}
+}
+
+/** @type {typeof import("crypto") | undefined} */
+let crypto = undefined;
+/** @type {typeof import("./hash/md4") | undefined} */
+let createMd4 = undefined;
+/** @type {typeof import("./hash/BatchedHash") | undefined} */
+let BatchedHash = undefined;
+
+/** @type {number} */
+const NODE_MAJOR_VERSION = parseInt(process.versions.node, 10);
+
+/**
+ * Creates a hash by name or function
+ * @param {string | HashConstructor} algorithm the algorithm name or a constructor creating a hash
+ * @returns {Hash} the hash
+ */
+module.exports = algorithm => {
+	if (typeof algorithm === "function") {
+		return new BulkUpdateDecorator(new algorithm());
+	}
+
+	switch (algorithm) {
+		// TODO add non-cryptographic algorithm here
+		case "debug":
+			return new DebugHash();
+		case "md4":
+			if (NODE_MAJOR_VERSION >= 18) {
+				if (createMd4 === undefined) {
+					createMd4 = require("./hash/md4");
+					if (BatchedHash === undefined) {
+						BatchedHash = require("./hash/BatchedHash");
+					}
+				}
+				return new /** @type {typeof import("./hash/BatchedHash")} */ (BatchedHash)(
+					createMd4()
+				);
+			}
+		// If we are on Node.js < 18, fall through to the default case
+		// eslint-disable-next-line no-fallthrough
+
+		case "native-md4":
+			if (NODE_MAJOR_VERSION >= 18) {
+				if (crypto === undefined) crypto = require("crypto");
+				return new BulkUpdateDecorator(
+					/** @type {typeof import("crypto")} */ (crypto).createHash("md4")
+				);
+			}
+		// If we are on Node.js < 18, fall through to the default case
+		// eslint-disable-next-line no-fallthrough
+
+		default:
+			if (crypto === undefined) crypto = require("crypto");
+			return new BulkUpdateDecorator(crypto.createHash(algorithm));
+	}
+};
+
+module.exports.Hash = Hash;
+/** @typedef {typeof Hash} HashConstructor */
diff --git a/node_modules/webpack/lib/util/deterministicGrouping.js b/node_modules/webpack/lib/util/deterministicGrouping.js
new file mode 100644
index 00000000..825e4bc5
--- /dev/null
+++ b/node_modules/webpack/lib/util/deterministicGrouping.js
@@ -0,0 +1,274 @@
+"use strict";
+
+// Simulations show these probabilities for a single change
+// 93.1% that one group is invalidated
+// 4.8% that two groups are invalidated
+// 1.1% that 3 groups are invalidated
+// 0.1% that 4 or more groups are invalidated
+//
+// And these for removing/adding 10 lexically adjacent files
+// 64.5% that one group is invalidated
+// 24.8% that two groups are invalidated
+// 7.8% that 3 groups are invalidated
+// 2.7% that 4 or more groups are invalidated
+//
+// And these for removing/adding 3 random files
+// 0% that one group is invalidated
+// 3.7% that two groups are invalidated
+// 80.8% that 3 groups are invalidated
+// 12.3% that 4 groups are invalidated
+// 3.2% that 5 or more groups are invalidated
+
+/**
+ *
+ * @param {string} a key
+ * @param {string} b key
+ * @returns {number} the similarity as number
+ */
+const similarity = (a, b) => {
+	const l = Math.min(a.length, b.length);
+	let dist = 0;
+	for (let i = 0; i < l; i++) {
+		const ca = a.charCodeAt(i);
+		const cb = b.charCodeAt(i);
+		dist += Math.max(0, 10 - Math.abs(ca - cb));
+	}
+	return dist;
+};
+
+/**
+ * @param {string} a key
+ * @param {string} b key
+ * @returns {string} the common part and a single char for the difference
+ */
+const getName = (a, b) => {
+	const l = Math.min(a.length, b.length);
+	let r = "";
+	for (let i = 0; i < l; i++) {
+		const ca = a.charAt(i);
+		const cb = b.charAt(i);
+		r += ca;
+		if (ca === cb) {
+			continue;
+		}
+		return r;
+	}
+	return a;
+};
+
+/**
+ * @template T
+ */
+class Node {
+	/**
+	 * @param {T} item item
+	 * @param {string} key key
+	 * @param {number} size size
+	 */
+	constructor(item, key, size) {
+		this.item = item;
+		this.key = key;
+		this.size = size;
+	}
+}
+
+/**
+ * @template T
+ */
+class Group {
+	/**
+	 * @param {Node<T>[]} nodes nodes
+	 * @param {number[]} similarities similarities between the nodes (length = nodes.length - 1)
+	 */
+	constructor(nodes, similarities) {
+		this.nodes = nodes;
+		this.similarities = similarities;
+		this.size = nodes.reduce((size, node) => size + node.size, 0);
+		/** @type {string} */
+		this.key = undefined;
+	}
+}
+
+/**
+ * @template T
+ * @typedef {Object} GroupedItems<T>
+ * @property {string} key
+ * @property {T[]} items
+ * @property {number} size
+ */
+
+/**
+ * @template T
+ * @typedef {Object} Options
+ * @property {number} maxSize maximum size of a group
+ * @property {number} minSize minimum size of a group (preferred over maximum size)
+ * @property {Iterable<T>} items a list of items
+ * @property {function(T): number} getSize function to get size of an item
+ * @property {function(T): string} getKey function to get the key of an item
+ */
+
+/**
+ * @template T
+ * @param {Options<T>} options options object
+ * @returns {GroupedItems<T>[]} grouped items
+ */
+module.exports = ({ maxSize, minSize, items, getSize, getKey }) => {
+	/** @type {Group<T>[]} */
+	const result = [];
+
+	const nodes = Array.from(
+		items,
+		item => new Node(item, getKey(item), getSize(item))
+	);
+
+	/** @type {Node<T>[]} */
+	const initialNodes = [];
+
+	// lexically ordering of keys
+	nodes.sort((a, b) => {
+		if (a.key < b.key) return -1;
+		if (a.key > b.key) return 1;
+		return 0;
+	});
+
+	// return nodes bigger than maxSize directly as group
+	for (const node of nodes) {
+		if (node.size >= maxSize) {
+			result.push(new Group([node], []));
+		} else {
+			initialNodes.push(node);
+		}
+	}
+
+	if (initialNodes.length > 0) {
+		// calculate similarities between lexically adjacent nodes
+		/** @type {number[]} */
+		const similarities = [];
+		for (let i = 1; i < initialNodes.length; i++) {
+			const a = initialNodes[i - 1];
+			const b = initialNodes[i];
+			similarities.push(similarity(a.key, b.key));
+		}
+
+		const initialGroup = new Group(initialNodes, similarities);
+
+		if (initialGroup.size < minSize) {
+			// We hit an edgecase where the working set is already smaller than minSize
+			// We merge it with the smallest result node to keep minSize intact
+			if (result.length > 0) {
+				const smallestGroup = result.reduce((min, group) =>
+					min.size > group.size ? group : min
+				);
+				for (const node of initialGroup.nodes) smallestGroup.nodes.push(node);
+				smallestGroup.nodes.sort((a, b) => {
+					if (a.key < b.key) return -1;
+					if (a.key > b.key) return 1;
+					return 0;
+				});
+			} else {
+				// There are no other nodes
+				// We use all nodes and have to accept that it's smaller than minSize
+				result.push(initialGroup);
+			}
+		} else {
+			const queue = [initialGroup];
+
+			while (queue.length) {
+				const group = queue.pop();
+				// only groups bigger than maxSize need to be splitted
+				if (group.size < maxSize) {
+					result.push(group);
+					continue;
+				}
+
+				// find unsplittable area from left and right
+				// going minSize from left and right
+				// at least one node need to be included otherwise we get stuck
+				let left = 0;
+				let leftSize = 0;
+				while (leftSize <= minSize) {
+					leftSize += group.nodes[left].size;
+					left++;
+				}
+				let right = group.nodes.length - 1;
+				let rightSize = 0;
+				while (rightSize <= minSize) {
+					rightSize += group.nodes[right].size;
+					right--;
+				}
+
+				if (left - 1 > right) {
+					// can't split group while holding minSize
+					// because minSize is preferred of maxSize we return
+					// the group here even while it's too big
+					// To avoid this make sure maxSize > minSize * 3
+					result.push(group);
+					continue;
+				}
+				if (left <= right) {
+					// when there is a area between left and right
+					// we look for best split point
+					// we split at the minimum similarity
+					// here key space is separated the most
+					let best = left - 1;
+					let bestSimilarity = group.similarities[best];
+					for (let i = left; i <= right; i++) {
+						const similarity = group.similarities[i];
+						if (similarity < bestSimilarity) {
+							best = i;
+							bestSimilarity = similarity;
+						}
+					}
+					left = best + 1;
+					right = best;
+				}
+
+				// create two new groups for left and right area
+				// and queue them up
+				const rightNodes = [group.nodes[right + 1]];
+				/** @type {number[]} */
+				const rightSimilaries = [];
+				for (let i = right + 2; i < group.nodes.length; i++) {
+					rightSimilaries.push(group.similarities[i - 1]);
+					rightNodes.push(group.nodes[i]);
+				}
+				queue.push(new Group(rightNodes, rightSimilaries));
+
+				const leftNodes = [group.nodes[0]];
+				/** @type {number[]} */
+				const leftSimilaries = [];
+				for (let i = 1; i < left; i++) {
+					leftSimilaries.push(group.similarities[i - 1]);
+					leftNodes.push(group.nodes[i]);
+				}
+				queue.push(new Group(leftNodes, leftSimilaries));
+			}
+		}
+	}
+
+	// lexically ordering
+	result.sort((a, b) => {
+		if (a.nodes[0].key < b.nodes[0].key) return -1;
+		if (a.nodes[0].key > b.nodes[0].key) return 1;
+		return 0;
+	});
+
+	// give every group a name
+	for (let i = 0; i < result.length; i++) {
+		const group = result[i];
+		const first = group.nodes[0];
+		const last = group.nodes[group.nodes.length - 1];
+		let name = getName(first.key, last.key);
+		group.key = name;
+	}
+
+	// return the results
+	return result.map(group => {
+		/** @type {GroupedItems} */
+		return {
+			key: group.key,
+			items: group.nodes.map(node => node.item),
+			size: group.size
+		};
+	});
+};
diff --git a/node_modules/webpack/lib/util/hash/BatchedHash.js b/node_modules/webpack/lib/util/hash/BatchedHash.js
new file mode 100644
index 00000000..55830ac8
--- /dev/null
+++ b/node_modules/webpack/lib/util/hash/BatchedHash.js
@@ -0,0 +1,71 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+// From Webpack 5
+// https://github.com/webpack/webpack/blob/853bfda35a0080605c09e1bdeb0103bcb9367a10/lib/util/hash/BatchedHash.js
+
+const { Hash } = require("../createHash");
+const MAX_SHORT_STRING = require("./wasm-hash").MAX_SHORT_STRING;
+
+class BatchedHash extends Hash {
+	constructor(hash) {
+		super();
+		this.string = undefined;
+		this.encoding = undefined;
+		this.hash = hash;
+	}
+
+	/**
+	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
+	 * @param {string|Buffer} data data
+	 * @param {string=} inputEncoding data encoding
+	 * @returns {this} updated hash
+	 */
+	update(data, inputEncoding) {
+		if (this.string !== undefined) {
+			if (
+				typeof data === "string" &&
+				inputEncoding === this.encoding &&
+				this.string.length + data.length < MAX_SHORT_STRING
+			) {
+				this.string += data;
+				return this;
+			}
+			this.hash.update(this.string, this.encoding);
+			this.string = undefined;
+		}
+		if (typeof data === "string") {
+			if (
+				data.length < MAX_SHORT_STRING &&
+				// base64 encoding is not valid since it may contain padding chars
+				(!inputEncoding || !inputEncoding.startsWith("ba"))
+			) {
+				this.string = data;
+				this.encoding = inputEncoding;
+			} else {
+				this.hash.update(data, inputEncoding);
+			}
+		} else {
+			this.hash.update(data);
+		}
+		return this;
+	}
+
+	/**
+	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
+	 * @param {string=} encoding encoding of the return value
+	 * @returns {string|Buffer} digest
+	 */
+	digest(encoding) {
+		if (this.string !== undefined) {
+			this.hash.update(this.string, this.encoding);
+		}
+		return this.hash.digest(encoding);
+	}
+}
+
+module.exports = BatchedHash;
diff --git a/node_modules/webpack/lib/util/hash/md4.js b/node_modules/webpack/lib/util/hash/md4.js
new file mode 100644
index 00000000..586fb93e
--- /dev/null
+++ b/node_modules/webpack/lib/util/hash/md4.js
@@ -0,0 +1,25 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+// From Webpack 5
+// https://github.com/webpack/webpack/blob/853bfda35a0080605c09e1bdeb0103bcb9367a10/lib/util/hash/md4.js
+
+const create = require("./wasm-hash").create;
+
+//#region wasm code: md4 (../../../assembly/hash/md4.asm.ts) --initialMemory 1
+// This will only get called on Node 18+
+// eslint-disable-next-line no-undef
+const md4 = new WebAssembly.Module(
+	Buffer.from(
+		// 2154 bytes
+		"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",
+		"base64"
+	)
+);
+//#endregion
+
+module.exports = create.bind(null, md4, [], 64, 32);
diff --git a/node_modules/webpack/lib/util/hash/wasm-hash.js b/node_modules/webpack/lib/util/hash/wasm-hash.js
new file mode 100644
index 00000000..ef299223
--- /dev/null
+++ b/node_modules/webpack/lib/util/hash/wasm-hash.js
@@ -0,0 +1,174 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+// From Webpack 5
+// https://github.com/webpack/webpack/blob/853bfda35a0080605c09e1bdeb0103bcb9367a10/lib/util/hash/wasm-hash.js
+
+// 65536 is the size of a wasm memory page
+// 64 is the maximum chunk size for every possible wasm hash implementation
+// 4 is the maximum number of bytes per char for string encoding (max is utf-8)
+// ~3 makes sure that it's always a block of 4 chars, so avoid partially encoded bytes for base64
+const MAX_SHORT_STRING = Math.floor((65536 - 64) / 4) & ~3;
+
+class WasmHash {
+	/**
+	 * @param {WebAssembly.Instance} instance wasm instance
+	 * @param {WebAssembly.Instance[]} instancesPool pool of instances
+	 * @param {number} chunkSize size of data chunks passed to wasm
+	 * @param {number} digestSize size of digest returned by wasm
+	 */
+	constructor(instance, instancesPool, chunkSize, digestSize) {
+		const exports = /** @type {any} */ (instance.exports);
+		exports.init();
+		this.exports = exports;
+		this.mem = Buffer.from(exports.memory.buffer, 0, 65536);
+		this.buffered = 0;
+		this.instancesPool = instancesPool;
+		this.chunkSize = chunkSize;
+		this.digestSize = digestSize;
+	}
+
+	reset() {
+		this.buffered = 0;
+		this.exports.init();
+	}
+
+	/**
+	 * @param {Buffer | string} data data
+	 * @param {BufferEncoding=} encoding encoding
+	 * @returns {this} itself
+	 */
+	update(data, encoding) {
+		if (typeof data === "string") {
+			while (data.length > MAX_SHORT_STRING) {
+				this._updateWithShortString(data.slice(0, MAX_SHORT_STRING), encoding);
+				data = data.slice(MAX_SHORT_STRING);
+			}
+			this._updateWithShortString(data, encoding);
+			return this;
+		}
+		this._updateWithBuffer(data);
+		return this;
+	}
+
+	/**
+	 * @param {string} data data
+	 * @param {BufferEncoding | 'utf-8'} encoding encoding
+	 * @returns {void}
+	 */
+	_updateWithShortString(data, encoding) {
+		const { exports, buffered, mem, chunkSize } = this;
+		let endPos;
+		if (data.length < 70) {
+			if (!encoding || encoding === "utf-8" || encoding === "utf8") {
+				endPos = buffered;
+				for (let i = 0; i < data.length; i++) {
+					const cc = data.charCodeAt(i);
+					if (cc < 0x80) mem[endPos++] = cc;
+					else if (cc < 0x800) {
+						mem[endPos] = (cc >> 6) | 0xc0;
+						mem[endPos + 1] = (cc & 0x3f) | 0x80;
+						endPos += 2;
+					} else {
+						// bail-out for weird chars
+						const slicedData = data.slice(i);
+						endPos += mem.write(
+							slicedData,
+							endPos,
+							slicedData.length,
+							encoding
+						);
+						break;
+					}
+				}
+			} else if (encoding === "latin1") {
+				endPos = buffered;
+				for (let i = 0; i < data.length; i++) {
+					const cc = data.charCodeAt(i);
+					mem[endPos++] = cc;
+				}
+			} else {
+				endPos = buffered + mem.write(data, buffered, data.length, encoding);
+			}
+		} else {
+			endPos = buffered + mem.write(data, buffered, data.length, encoding);
+		}
+		if (endPos < chunkSize) {
+			this.buffered = endPos;
+		} else {
+			const l = endPos & ~(this.chunkSize - 1);
+			exports.update(l);
+			const newBuffered = endPos - l;
+			this.buffered = newBuffered;
+			if (newBuffered > 0) mem.copyWithin(0, l, endPos);
+		}
+	}
+
+	/**
+	 * @param {Buffer} data data
+	 * @returns {void}
+	 */
+	_updateWithBuffer(data) {
+		const { exports, buffered, mem } = this;
+		const length = data.length;
+		if (buffered + length < this.chunkSize) {
+			data.copy(mem, buffered, 0, length);
+			this.buffered += length;
+		} else {
+			const l = (buffered + length) & ~(this.chunkSize - 1);
+			if (l > 65536) {
+				let i = 65536 - buffered;
+				data.copy(mem, buffered, 0, i);
+				exports.update(65536);
+				const stop = l - buffered - 65536;
+				while (i < stop) {
+					data.copy(mem, 0, i, i + 65536);
+					exports.update(65536);
+					i += 65536;
+				}
+				data.copy(mem, 0, i, l - buffered);
+				exports.update(l - buffered - i);
+			} else {
+				data.copy(mem, buffered, 0, l - buffered);
+				exports.update(l);
+			}
+			const newBuffered = length + buffered - l;
+			this.buffered = newBuffered;
+			if (newBuffered > 0) data.copy(mem, 0, length - newBuffered, length);
+		}
+	}
+
+	digest(type) {
+		const { exports, buffered, mem, digestSize } = this;
+		exports.final(buffered);
+		this.instancesPool.push(this);
+		const hex = mem.toString("latin1", 0, digestSize);
+		if (type === "hex") return hex;
+		if (type === "binary" || !type) return Buffer.from(hex, "hex");
+		return Buffer.from(hex, "hex").toString(type);
+	}
+}
+
+const create = (wasmModule, instancesPool, chunkSize, digestSize) => {
+	if (instancesPool.length > 0) {
+		const old = instancesPool.pop();
+		old.reset();
+		return old;
+	} else {
+		return new WasmHash(
+			// This will only get called on Node 18+
+			// eslint-disable-next-line no-undef
+			new WebAssembly.Instance(wasmModule),
+			instancesPool,
+			chunkSize,
+			digestSize
+		);
+	}
+};
+
+module.exports.create = create;
+module.exports.MAX_SHORT_STRING = MAX_SHORT_STRING;
diff --git a/node_modules/webpack/lib/util/identifier.js b/node_modules/webpack/lib/util/identifier.js
new file mode 100644
index 00000000..0c573e84
--- /dev/null
+++ b/node_modules/webpack/lib/util/identifier.js
@@ -0,0 +1,127 @@
+"use strict";
+const path = require("path");
+
+/**
+ * @param {string} context context for relative path
+ * @param {string} relativePath path
+ * @returns {string} absolute path
+ */
+const requestToAbsolute = (context, relativePath) => {
+	if (relativePath.startsWith("./") || relativePath.startsWith("../"))
+		return path.join(context, relativePath);
+	return relativePath;
+};
+
+/**
+ * @typedef {Object} MakeRelativePathsCache
+ * @property {Map<string, Map<string, string>>=} relativePaths
+ */
+
+/**
+ *
+ * @param {string} maybeAbsolutePath path to check
+ * @returns {boolean} returns true if path is "Absolute Path"-like
+ */
+const looksLikeAbsolutePath = maybeAbsolutePath => {
+	if (/^\/.*\/$/.test(maybeAbsolutePath)) {
+		// this 'path' is actually a regexp generated by dynamic requires.
+		// Don't treat it as an absolute path.
+		return false;
+	}
+	return /^(?:[a-z]:\\|\/)/i.test(maybeAbsolutePath);
+};
+
+/**
+ *
+ * @param {string} p path to normalize
+ * @returns {string} normalized version of path
+ */
+const normalizePathSeparator = p => p.replace(/\\/g, "/");
+
+/**
+ *
+ * @param {string} context context for relative path
+ * @param {string} identifier identifier for path
+ * @returns {string} a converted relative path
+ */
+const _makePathsRelative = (context, identifier) => {
+	return identifier
+		.split(/([|! ])/)
+		.map(str =>
+			looksLikeAbsolutePath(str)
+				? normalizePathSeparator(path.relative(context, str))
+				: str
+		)
+		.join("");
+};
+
+/**
+ *
+ * @param {string} context context used to create relative path
+ * @param {string} identifier identifier used to create relative path
+ * @param {MakeRelativePathsCache=} cache the cache object being set
+ * @returns {string} the returned relative path
+ */
+exports.makePathsRelative = (context, identifier, cache) => {
+	if (!cache) return _makePathsRelative(context, identifier);
+
+	const relativePaths =
+		cache.relativePaths || (cache.relativePaths = new Map());
+
+	let cachedResult;
+	let contextCache = relativePaths.get(context);
+	if (contextCache === undefined) {
+		relativePaths.set(context, (contextCache = new Map()));
+	} else {
+		cachedResult = contextCache.get(identifier);
+	}
+
+	if (cachedResult !== undefined) {
+		return cachedResult;
+	} else {
+		const relativePath = _makePathsRelative(context, identifier);
+		contextCache.set(identifier, relativePath);
+		return relativePath;
+	}
+};
+
+/**
+ * @param {string} context absolute context path
+ * @param {string} request any request string may containing absolute paths, query string, etc.
+ * @returns {string} a new request string avoiding absolute paths when possible
+ */
+exports.contextify = (context, request) => {
+	return request
+		.split("!")
+		.map(r => {
+			const splitPath = r.split("?", 2);
+			if (/^[a-zA-Z]:\\/.test(splitPath[0])) {
+				splitPath[0] = path.win32.relative(context, splitPath[0]);
+				if (!/^[a-zA-Z]:\\/.test(splitPath[0])) {
+					splitPath[0] = splitPath[0].replace(/\\/g, "/");
+				}
+			}
+			if (/^\//.test(splitPath[0])) {
+				splitPath[0] = path.posix.relative(context, splitPath[0]);
+			}
+			if (!/^(\.\.\/|\/|[a-zA-Z]:\\)/.test(splitPath[0])) {
+				splitPath[0] = "./" + splitPath[0];
+			}
+			return splitPath.join("?");
+		})
+		.join("!");
+};
+
+/**
+ * @param {string} context absolute context path
+ * @param {string} request any request string
+ * @returns {string} a new request string using absolute paths when possible
+ */
+const _absolutify = (context, request) => {
+	return request
+		.split("!")
+		.map(r => requestToAbsolute(context, r))
+		.join("!");
+};
+
+exports.absolutify = _absolutify;
diff --git a/node_modules/webpack/lib/util/objectToMap.js b/node_modules/webpack/lib/util/objectToMap.js
new file mode 100644
index 00000000..f8c13c27
--- /dev/null
+++ b/node_modules/webpack/lib/util/objectToMap.js
@@ -0,0 +1,16 @@
+/**
+ * convert an object into its 2D array equivalent to be turned
+ * into an ES6 map
+ *
+ * @param {object} obj any object type that works with Object.keys()
+ * @returns {Map<TODO, TODO>} an ES6 Map of KV pairs
+ */
+module.exports = function objectToMap(obj) {
+	return new Map(
+		Object.keys(obj).map(key => {
+			/** @type {[string, string]} */
+			const pair = [key, obj[key]];
+			return pair;
+		})
+	);
+};
diff --git a/node_modules/webpack/lib/validateSchema.js b/node_modules/webpack/lib/validateSchema.js
new file mode 100644
index 00000000..b748c2c8
--- /dev/null
+++ b/node_modules/webpack/lib/validateSchema.js
@@ -0,0 +1,67 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Gajus Kuizinas @gajus
+*/
+"use strict";
+
+const Ajv = require("ajv");
+const ajv = new Ajv({
+	errorDataPath: "configuration",
+	allErrors: true,
+	verbose: true
+});
+require("ajv-keywords")(ajv, ["instanceof"]);
+require("../schemas/ajv.absolutePath")(ajv);
+
+const validateSchema = (schema, options) => {
+	if (Array.isArray(options)) {
+		const errors = options.map(options => validateObject(schema, options));
+		errors.forEach((list, idx) => {
+			const applyPrefix = err => {
+				err.dataPath = `[${idx}]${err.dataPath}`;
+				if (err.children) {
+					err.children.forEach(applyPrefix);
+				}
+			};
+			list.forEach(applyPrefix);
+		});
+		return errors.reduce((arr, items) => {
+			return arr.concat(items);
+		}, []);
+	} else {
+		return validateObject(schema, options);
+	}
+};
+
+const validateObject = (schema, options) => {
+	const validate = ajv.compile(schema);
+	const valid = validate(options);
+	return valid ? [] : filterErrors(validate.errors);
+};
+
+const filterErrors = errors => {
+	let newErrors = [];
+	for (const err of errors) {
+		const dataPath = err.dataPath;
+		let children = [];
+		newErrors = newErrors.filter(oldError => {
+			if (oldError.dataPath.includes(dataPath)) {
+				if (oldError.children) {
+					children = children.concat(oldError.children.slice(0));
+				}
+				oldError.children = undefined;
+				children.push(oldError);
+				return false;
+			}
+			return true;
+		});
+		if (children.length) {
+			err.children = children;
+		}
+		newErrors.push(err);
+	}
+
+	return newErrors;
+};
+
+module.exports = validateSchema;
diff --git a/node_modules/webpack/lib/wasm/UnsupportedWebAssemblyFeatureError.js b/node_modules/webpack/lib/wasm/UnsupportedWebAssemblyFeatureError.js
new file mode 100644
index 00000000..fede4eb2
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/UnsupportedWebAssemblyFeatureError.js
@@ -0,0 +1,17 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+
+module.exports = class UnsupportedWebAssemblyFeatureError extends WebpackError {
+	/** @param {string} message Error message */
+	constructor(message) {
+		super(message);
+		this.name = "UnsupportedWebAssemblyFeatureError";
+		this.hideStack = true;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/wasm/WasmFinalizeExportsPlugin.js b/node_modules/webpack/lib/wasm/WasmFinalizeExportsPlugin.js
new file mode 100644
index 00000000..52df869c
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WasmFinalizeExportsPlugin.js
@@ -0,0 +1,69 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+	*/
+"use strict";
+
+const UnsupportedWebAssemblyFeatureError = require("./UnsupportedWebAssemblyFeatureError");
+
+class WasmFinalizeExportsPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("WasmFinalizeExportsPlugin", compilation => {
+			compilation.hooks.finishModules.tap(
+				"WasmFinalizeExportsPlugin",
+				modules => {
+					for (const module of modules) {
+						// 1. if a WebAssembly module
+						if (module.type.startsWith("webassembly") === true) {
+							const jsIncompatibleExports =
+								module.buildMeta.jsIncompatibleExports;
+
+							if (jsIncompatibleExports === undefined) {
+								continue;
+							}
+
+							for (const reason of module.reasons) {
+								// 2. is referenced by a non-WebAssembly module
+								if (reason.module.type.startsWith("webassembly") === false) {
+									const ref = compilation.getDependencyReference(
+										reason.module,
+										reason.dependency
+									);
+
+									if (!ref) continue;
+
+									const importedNames = ref.importedNames;
+
+									if (Array.isArray(importedNames)) {
+										importedNames.forEach(name => {
+											// 3. and uses a func with an incompatible JS signature
+											if (
+												Object.prototype.hasOwnProperty.call(
+													jsIncompatibleExports,
+													name
+												)
+											) {
+												// 4. error
+												/** @type {any} */
+												const error = new UnsupportedWebAssemblyFeatureError(
+													`Export "${name}" with ${jsIncompatibleExports[name]} can only be used for direct wasm to wasm dependencies`
+												);
+												error.module = module;
+												error.origin = reason.module;
+												error.originLoc = reason.dependency.loc;
+												error.dependencies = [reason.dependency];
+												compilation.errors.push(error);
+											}
+										});
+									}
+								}
+							}
+						}
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = WasmFinalizeExportsPlugin;
diff --git a/node_modules/webpack/lib/wasm/WasmMainTemplatePlugin.js b/node_modules/webpack/lib/wasm/WasmMainTemplatePlugin.js
new file mode 100644
index 00000000..494c8ec9
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WasmMainTemplatePlugin.js
@@ -0,0 +1,341 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+const WebAssemblyUtils = require("./WebAssemblyUtils");
+
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../MainTemplate")} MainTemplate */
+
+// Get all wasm modules
+const getAllWasmModules = chunk => {
+	const wasmModules = chunk.getAllAsyncChunks();
+	const array = [];
+	for (const chunk of wasmModules) {
+		for (const m of chunk.modulesIterable) {
+			if (m.type.startsWith("webassembly")) {
+				array.push(m);
+			}
+		}
+	}
+
+	return array;
+};
+
+/**
+ * generates the import object function for a module
+ * @param {Module} module the module
+ * @param {boolean} mangle mangle imports
+ * @returns {string} source code
+ */
+const generateImportObject = (module, mangle) => {
+	const waitForInstances = new Map();
+	const properties = [];
+	const usedWasmDependencies = WebAssemblyUtils.getUsedDependencies(
+		module,
+		mangle
+	);
+	for (const usedDep of usedWasmDependencies) {
+		const dep = usedDep.dependency;
+		const importedModule = dep.module;
+		const exportName = dep.name;
+		const usedName = importedModule && importedModule.isUsed(exportName);
+		const description = dep.description;
+		const direct = dep.onlyDirectImport;
+
+		const module = usedDep.module;
+		const name = usedDep.name;
+
+		if (direct) {
+			const instanceVar = `m${waitForInstances.size}`;
+			waitForInstances.set(instanceVar, importedModule.id);
+			properties.push({
+				module,
+				name,
+				value: `${instanceVar}[${JSON.stringify(usedName)}]`
+			});
+		} else {
+			const params = description.signature.params.map(
+				(param, k) => "p" + k + param.valtype
+			);
+
+			const mod = `installedModules[${JSON.stringify(importedModule.id)}]`;
+			const func = `${mod}.exports[${JSON.stringify(usedName)}]`;
+
+			properties.push({
+				module,
+				name,
+				value: Template.asString([
+					(importedModule.type.startsWith("webassembly")
+						? `${mod} ? ${func} : `
+						: "") + `function(${params}) {`,
+					Template.indent([`return ${func}(${params});`]),
+					"}"
+				])
+			});
+		}
+	}
+
+	let importObject;
+	if (mangle) {
+		importObject = [
+			"return {",
+			Template.indent([
+				properties.map(p => `${JSON.stringify(p.name)}: ${p.value}`).join(",\n")
+			]),
+			"};"
+		];
+	} else {
+		const propertiesByModule = new Map();
+		for (const p of properties) {
+			let list = propertiesByModule.get(p.module);
+			if (list === undefined) {
+				propertiesByModule.set(p.module, (list = []));
+			}
+			list.push(p);
+		}
+		importObject = [
+			"return {",
+			Template.indent([
+				Array.from(propertiesByModule, ([module, list]) => {
+					return Template.asString([
+						`${JSON.stringify(module)}: {`,
+						Template.indent([
+							list.map(p => `${JSON.stringify(p.name)}: ${p.value}`).join(",\n")
+						]),
+						"}"
+					]);
+				}).join(",\n")
+			]),
+			"};"
+		];
+	}
+
+	if (waitForInstances.size === 1) {
+		const moduleId = Array.from(waitForInstances.values())[0];
+		const promise = `installedWasmModules[${JSON.stringify(moduleId)}]`;
+		const variable = Array.from(waitForInstances.keys())[0];
+		return Template.asString([
+			`${JSON.stringify(module.id)}: function() {`,
+			Template.indent([
+				`return promiseResolve().then(function() { return ${promise}; }).then(function(${variable}) {`,
+				Template.indent(importObject),
+				"});"
+			]),
+			"},"
+		]);
+	} else if (waitForInstances.size > 0) {
+		const promises = Array.from(
+			waitForInstances.values(),
+			id => `installedWasmModules[${JSON.stringify(id)}]`
+		).join(", ");
+		const variables = Array.from(
+			waitForInstances.keys(),
+			(name, i) => `${name} = array[${i}]`
+		).join(", ");
+		return Template.asString([
+			`${JSON.stringify(module.id)}: function() {`,
+			Template.indent([
+				`return promiseResolve().then(function() { return Promise.all([${promises}]); }).then(function(array) {`,
+				Template.indent([`var ${variables};`, ...importObject]),
+				"});"
+			]),
+			"},"
+		]);
+	} else {
+		return Template.asString([
+			`${JSON.stringify(module.id)}: function() {`,
+			Template.indent(importObject),
+			"},"
+		]);
+	}
+};
+
+class WasmMainTemplatePlugin {
+	constructor({ generateLoadBinaryCode, supportsStreaming, mangleImports }) {
+		this.generateLoadBinaryCode = generateLoadBinaryCode;
+		this.supportsStreaming = supportsStreaming;
+		this.mangleImports = mangleImports;
+	}
+
+	/**
+	 * @param {MainTemplate} mainTemplate main template
+	 * @returns {void}
+	 */
+	apply(mainTemplate) {
+		mainTemplate.hooks.localVars.tap(
+			"WasmMainTemplatePlugin",
+			(source, chunk) => {
+				const wasmModules = getAllWasmModules(chunk);
+				if (wasmModules.length === 0) return source;
+				const importObjects = wasmModules.map(module => {
+					return generateImportObject(module, this.mangleImports);
+				});
+				return Template.asString([
+					source,
+					"",
+					"// object to store loaded and loading wasm modules",
+					"var installedWasmModules = {};",
+					"",
+					// This function is used to delay reading the installed wasm module promises
+					// by a microtask. Sorting them doesn't help because there are egdecases where
+					// sorting is not possible (modules splitted into different chunks).
+					// So we not even trying and solve this by a microtask delay.
+					"function promiseResolve() { return Promise.resolve(); }",
+					"",
+					"var wasmImportObjects = {",
+					Template.indent(importObjects),
+					"};"
+				]);
+			}
+		);
+		mainTemplate.hooks.requireEnsure.tap(
+			"WasmMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const webassemblyModuleFilename =
+					mainTemplate.outputOptions.webassemblyModuleFilename;
+
+				const chunkModuleMaps = chunk.getChunkModuleMaps(m =>
+					m.type.startsWith("webassembly")
+				);
+				if (Object.keys(chunkModuleMaps.id).length === 0) return source;
+				const wasmModuleSrcPath = mainTemplate.getAssetPath(
+					JSON.stringify(webassemblyModuleFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+						module: {
+							id: '" + wasmModuleId + "',
+							hash: `" + ${JSON.stringify(
+								chunkModuleMaps.hash
+							)}[wasmModuleId] + "`,
+							hashWithLength(length) {
+								const shortChunkHashMap = Object.create(null);
+								for (const wasmModuleId of Object.keys(chunkModuleMaps.hash)) {
+									if (typeof chunkModuleMaps.hash[wasmModuleId] === "string") {
+										shortChunkHashMap[wasmModuleId] = chunkModuleMaps.hash[
+											wasmModuleId
+										].substr(0, length);
+									}
+								}
+								return `" + ${JSON.stringify(
+									shortChunkHashMap
+								)}[wasmModuleId] + "`;
+							}
+						}
+					}
+				);
+				const createImportObject = content =>
+					this.mangleImports
+						? `{ ${JSON.stringify(
+								WebAssemblyUtils.MANGLED_MODULE
+						  )}: ${content} }`
+						: content;
+				return Template.asString([
+					source,
+					"",
+					"// Fetch + compile chunk loading for webassembly",
+					"",
+					`var wasmModules = ${JSON.stringify(
+						chunkModuleMaps.id
+					)}[chunkId] || [];`,
+					"",
+					"wasmModules.forEach(function(wasmModuleId) {",
+					Template.indent([
+						"var installedWasmModuleData = installedWasmModules[wasmModuleId];",
+						"",
+						'// a Promise means "currently loading" or "already loaded".',
+						"if(installedWasmModuleData)",
+						Template.indent(["promises.push(installedWasmModuleData);"]),
+						"else {",
+						Template.indent([
+							`var importObject = wasmImportObjects[wasmModuleId]();`,
+							`var req = ${this.generateLoadBinaryCode(wasmModuleSrcPath)};`,
+							"var promise;",
+							this.supportsStreaming
+								? Template.asString([
+										"if(importObject instanceof Promise && typeof WebAssembly.compileStreaming === 'function') {",
+										Template.indent([
+											"promise = Promise.all([WebAssembly.compileStreaming(req), importObject]).then(function(items) {",
+											Template.indent([
+												`return WebAssembly.instantiate(items[0], ${createImportObject(
+													"items[1]"
+												)});`
+											]),
+											"});"
+										]),
+										"} else if(typeof WebAssembly.instantiateStreaming === 'function') {",
+										Template.indent([
+											`promise = WebAssembly.instantiateStreaming(req, ${createImportObject(
+												"importObject"
+											)});`
+										])
+								  ])
+								: Template.asString([
+										"if(importObject instanceof Promise) {",
+										Template.indent([
+											"var bytesPromise = req.then(function(x) { return x.arrayBuffer(); });",
+											"promise = Promise.all([",
+											Template.indent([
+												"bytesPromise.then(function(bytes) { return WebAssembly.compile(bytes); }),",
+												"importObject"
+											]),
+											"]).then(function(items) {",
+											Template.indent([
+												`return WebAssembly.instantiate(items[0], ${createImportObject(
+													"items[1]"
+												)});`
+											]),
+											"});"
+										])
+								  ]),
+							"} else {",
+							Template.indent([
+								"var bytesPromise = req.then(function(x) { return x.arrayBuffer(); });",
+								"promise = bytesPromise.then(function(bytes) {",
+								Template.indent([
+									`return WebAssembly.instantiate(bytes, ${createImportObject(
+										"importObject"
+									)});`
+								]),
+								"});"
+							]),
+							"}",
+							"promises.push(installedWasmModules[wasmModuleId] = promise.then(function(res) {",
+							Template.indent([
+								`return ${mainTemplate.requireFn}.w[wasmModuleId] = (res.instance || res).exports;`
+							]),
+							"}));"
+						]),
+						"}"
+					]),
+					"});"
+				]);
+			}
+		);
+		mainTemplate.hooks.requireExtensions.tap(
+			"WasmMainTemplatePlugin",
+			(source, chunk) => {
+				if (!chunk.hasModuleInGraph(m => m.type.startsWith("webassembly"))) {
+					return source;
+				}
+				return Template.asString([
+					source,
+					"",
+					"// object with all WebAssembly.instance exports",
+					`${mainTemplate.requireFn}.w = {};`
+				]);
+			}
+		);
+		mainTemplate.hooks.hash.tap("WasmMainTemplatePlugin", hash => {
+			hash.update("WasmMainTemplatePlugin");
+			hash.update("2");
+		});
+	}
+}
+
+module.exports = WasmMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyGenerator.js b/node_modules/webpack/lib/wasm/WebAssemblyGenerator.js
new file mode 100644
index 00000000..dbee5bdd
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyGenerator.js
@@ -0,0 +1,458 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Generator = require("../Generator");
+const Template = require("../Template");
+const WebAssemblyUtils = require("./WebAssemblyUtils");
+const { RawSource } = require("webpack-sources");
+
+const { editWithAST, addWithAST } = require("@webassemblyjs/wasm-edit");
+const { decode } = require("@webassemblyjs/wasm-parser");
+const t = require("@webassemblyjs/ast");
+const {
+	moduleContextFromModuleAST
+} = require("@webassemblyjs/helper-module-context");
+
+const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
+
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("./WebAssemblyUtils").UsedWasmDependency} UsedWasmDependency */
+/** @typedef {import("../NormalModule")} NormalModule */
+/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../Dependency").DependencyTemplate} DependencyTemplate */
+
+/**
+ * @typedef {(ArrayBuffer) => ArrayBuffer} ArrayBufferTransform
+ */
+
+/**
+ * @template T
+ * @param {Function[]} fns transforms
+ * @returns {Function} composed transform
+ */
+const compose = (...fns) => {
+	return fns.reduce(
+		(prevFn, nextFn) => {
+			return value => nextFn(prevFn(value));
+		},
+		value => value
+	);
+};
+
+// TODO replace with @callback
+
+/**
+ * Removes the start instruction
+ *
+ * @param {Object} state unused state
+ * @returns {ArrayBufferTransform} transform
+ */
+const removeStartFunc = state => bin => {
+	return editWithAST(state.ast, bin, {
+		Start(path) {
+			path.remove();
+		}
+	});
+};
+
+/**
+ * Get imported globals
+ *
+ * @param {Object} ast Module's AST
+ * @returns {Array<t.ModuleImport>} - nodes
+ */
+const getImportedGlobals = ast => {
+	const importedGlobals = [];
+
+	t.traverse(ast, {
+		ModuleImport({ node }) {
+			if (t.isGlobalType(node.descr)) {
+				importedGlobals.push(node);
+			}
+		}
+	});
+
+	return importedGlobals;
+};
+
+/**
+ * Get the count for imported func
+ *
+ * @param {Object} ast Module's AST
+ * @returns {Number} - count
+ */
+const getCountImportedFunc = ast => {
+	let count = 0;
+
+	t.traverse(ast, {
+		ModuleImport({ node }) {
+			if (t.isFuncImportDescr(node.descr)) {
+				count++;
+			}
+		}
+	});
+
+	return count;
+};
+
+/**
+ * Get next type index
+ *
+ * @param {Object} ast Module's AST
+ * @returns {t.Index} - index
+ */
+const getNextTypeIndex = ast => {
+	const typeSectionMetadata = t.getSectionMetadata(ast, "type");
+
+	if (typeSectionMetadata === undefined) {
+		return t.indexLiteral(0);
+	}
+
+	return t.indexLiteral(typeSectionMetadata.vectorOfSize.value);
+};
+
+/**
+ * Get next func index
+ *
+ * The Func section metadata provide informations for implemented funcs
+ * in order to have the correct index we shift the index by number of external
+ * functions.
+ *
+ * @param {Object} ast Module's AST
+ * @param {Number} countImportedFunc number of imported funcs
+ * @returns {t.Index} - index
+ */
+const getNextFuncIndex = (ast, countImportedFunc) => {
+	const funcSectionMetadata = t.getSectionMetadata(ast, "func");
+
+	if (funcSectionMetadata === undefined) {
+		return t.indexLiteral(0 + countImportedFunc);
+	}
+
+	const vectorOfSize = funcSectionMetadata.vectorOfSize.value;
+
+	return t.indexLiteral(vectorOfSize + countImportedFunc);
+};
+
+/**
+ * Creates an init instruction for a global type
+ * @param {t.GlobalType} globalType the global type
+ * @returns {t.Instruction} init expression
+ */
+const createDefaultInitForGlobal = globalType => {
+	if (globalType.valtype[0] === "i") {
+		// create NumberLiteral global initializer
+		return t.objectInstruction("const", globalType.valtype, [
+			t.numberLiteralFromRaw(66)
+		]);
+	} else if (globalType.valtype[0] === "f") {
+		// create FloatLiteral global initializer
+		return t.objectInstruction("const", globalType.valtype, [
+			t.floatLiteral(66, false, false, "66")
+		]);
+	} else {
+		throw new Error("unknown type: " + globalType.valtype);
+	}
+};
+
+/**
+ * Rewrite the import globals:
+ * - removes the ModuleImport instruction
+ * - injects at the same offset a mutable global of the same type
+ *
+ * Since the imported globals are before the other global declarations, our
+ * indices will be preserved.
+ *
+ * Note that globals will become mutable.
+ *
+ * @param {Object} state unused state
+ * @returns {ArrayBufferTransform} transform
+ */
+const rewriteImportedGlobals = state => bin => {
+	const additionalInitCode = state.additionalInitCode;
+	const newGlobals = [];
+
+	bin = editWithAST(state.ast, bin, {
+		ModuleImport(path) {
+			if (t.isGlobalType(path.node.descr)) {
+				const globalType = path.node.descr;
+
+				globalType.mutability = "var";
+
+				const init = [
+					createDefaultInitForGlobal(globalType),
+					t.instruction("end")
+				];
+
+				newGlobals.push(t.global(globalType, init));
+
+				path.remove();
+			}
+		},
+
+		// in order to preserve non-imported global's order we need to re-inject
+		// those as well
+		Global(path) {
+			const { node } = path;
+			const [init] = node.init;
+
+			if (init.id === "get_global") {
+				node.globalType.mutability = "var";
+
+				const initialGlobalidx = init.args[0];
+
+				node.init = [
+					createDefaultInitForGlobal(node.globalType),
+					t.instruction("end")
+				];
+
+				additionalInitCode.push(
+					/**
+					 * get_global in global initializer only works for imported globals.
+					 * They have the same indices as the init params, so use the
+					 * same index.
+					 */
+					t.instruction("get_local", [initialGlobalidx]),
+					t.instruction("set_global", [t.indexLiteral(newGlobals.length)])
+				);
+			}
+
+			newGlobals.push(node);
+
+			path.remove();
+		}
+	});
+
+	// Add global declaration instructions
+	return addWithAST(state.ast, bin, newGlobals);
+};
+
+/**
+ * Rewrite the export names
+ * @param {Object} state state
+ * @param {Object} state.ast Module's ast
+ * @param {Module} state.module Module
+ * @param {Set<string>} state.externalExports Module
+ * @returns {ArrayBufferTransform} transform
+ */
+const rewriteExportNames = ({ ast, module, externalExports }) => bin => {
+	return editWithAST(ast, bin, {
+		ModuleExport(path) {
+			const isExternal = externalExports.has(path.node.name);
+			if (isExternal) {
+				path.remove();
+				return;
+			}
+			const usedName = module.isUsed(path.node.name);
+			if (!usedName) {
+				path.remove();
+				return;
+			}
+			path.node.name = usedName;
+		}
+	});
+};
+
+/**
+ * Mangle import names and modules
+ * @param {Object} state state
+ * @param {Object} state.ast Module's ast
+ * @param {Map<string, UsedWasmDependency>} state.usedDependencyMap mappings to mangle names
+ * @returns {ArrayBufferTransform} transform
+ */
+const rewriteImports = ({ ast, usedDependencyMap }) => bin => {
+	return editWithAST(ast, bin, {
+		ModuleImport(path) {
+			const result = usedDependencyMap.get(
+				path.node.module + ":" + path.node.name
+			);
+
+			if (result !== undefined) {
+				path.node.module = result.module;
+				path.node.name = result.name;
+			}
+		}
+	});
+};
+
+/**
+ * Add an init function.
+ *
+ * The init function fills the globals given input arguments.
+ *
+ * @param {Object} state transformation state
+ * @param {Object} state.ast Module's ast
+ * @param {t.Identifier} state.initFuncId identifier of the init function
+ * @param {t.Index} state.startAtFuncOffset index of the start function
+ * @param {t.ModuleImport[]} state.importedGlobals list of imported globals
+ * @param {t.Instruction[]} state.additionalInitCode list of addition instructions for the init function
+ * @param {t.Index} state.nextFuncIndex index of the next function
+ * @param {t.Index} state.nextTypeIndex index of the next type
+ * @returns {ArrayBufferTransform} transform
+ */
+const addInitFunction = ({
+	ast,
+	initFuncId,
+	startAtFuncOffset,
+	importedGlobals,
+	additionalInitCode,
+	nextFuncIndex,
+	nextTypeIndex
+}) => bin => {
+	const funcParams = importedGlobals.map(importedGlobal => {
+		// used for debugging
+		const id = t.identifier(`${importedGlobal.module}.${importedGlobal.name}`);
+
+		return t.funcParam(importedGlobal.descr.valtype, id);
+	});
+
+	const funcBody = importedGlobals.reduce((acc, importedGlobal, index) => {
+		const args = [t.indexLiteral(index)];
+		const body = [
+			t.instruction("get_local", args),
+			t.instruction("set_global", args)
+		];
+
+		return [...acc, ...body];
+	}, []);
+
+	if (typeof startAtFuncOffset === "number") {
+		funcBody.push(t.callInstruction(t.numberLiteralFromRaw(startAtFuncOffset)));
+	}
+
+	for (const instr of additionalInitCode) {
+		funcBody.push(instr);
+	}
+
+	funcBody.push(t.instruction("end"));
+
+	const funcResults = [];
+
+	// Code section
+	const funcSignature = t.signature(funcParams, funcResults);
+	const func = t.func(initFuncId, funcSignature, funcBody);
+
+	// Type section
+	const functype = t.typeInstruction(undefined, funcSignature);
+
+	// Func section
+	const funcindex = t.indexInFuncSection(nextTypeIndex);
+
+	// Export section
+	const moduleExport = t.moduleExport(
+		initFuncId.value,
+		t.moduleExportDescr("Func", nextFuncIndex)
+	);
+
+	return addWithAST(ast, bin, [func, moduleExport, funcindex, functype]);
+};
+
+/**
+ * Extract mangle mappings from module
+ * @param {Module} module current module
+ * @param {boolean} mangle mangle imports
+ * @returns {Map<string, UsedWasmDependency>} mappings to mangled names
+ */
+const getUsedDependencyMap = (module, mangle) => {
+	/** @type {Map<string, UsedWasmDependency>} */
+	const map = new Map();
+	for (const usedDep of WebAssemblyUtils.getUsedDependencies(module, mangle)) {
+		const dep = usedDep.dependency;
+		const request = dep.request;
+		const exportName = dep.name;
+		map.set(request + ":" + exportName, usedDep);
+	}
+	return map;
+};
+
+class WebAssemblyGenerator extends Generator {
+	constructor(options) {
+		super();
+		this.options = options;
+	}
+
+	/**
+	 * @param {NormalModule} module module for which the code should be generated
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates mapping from dependencies to templates
+	 * @param {RuntimeTemplate} runtimeTemplate the runtime template
+	 * @param {string} type which kind of code should be generated
+	 * @returns {Source} generated code
+	 */
+	generate(module, dependencyTemplates, runtimeTemplate, type) {
+		let bin = module.originalSource().source();
+
+		const initFuncId = t.identifier(
+			Array.isArray(module.usedExports)
+				? Template.numberToIdentifer(module.usedExports.length)
+				: "__webpack_init__"
+		);
+
+		// parse it
+		const ast = decode(bin, {
+			ignoreDataSection: true,
+			ignoreCodeSection: true,
+			ignoreCustomNameSection: true
+		});
+
+		const moduleContext = moduleContextFromModuleAST(ast.body[0]);
+
+		const importedGlobals = getImportedGlobals(ast);
+		const countImportedFunc = getCountImportedFunc(ast);
+		const startAtFuncOffset = moduleContext.getStart();
+		const nextFuncIndex = getNextFuncIndex(ast, countImportedFunc);
+		const nextTypeIndex = getNextTypeIndex(ast);
+
+		const usedDependencyMap = getUsedDependencyMap(
+			module,
+			this.options.mangleImports
+		);
+		const externalExports = new Set(
+			module.dependencies
+				.filter(d => d instanceof WebAssemblyExportImportedDependency)
+				.map(d => {
+					const wasmDep = /** @type {WebAssemblyExportImportedDependency} */ (d);
+					return wasmDep.exportName;
+				})
+		);
+
+		/** @type {t.Instruction[]} */
+		const additionalInitCode = [];
+
+		const transform = compose(
+			rewriteExportNames({
+				ast,
+				module,
+				externalExports
+			}),
+
+			removeStartFunc({ ast }),
+
+			rewriteImportedGlobals({ ast, additionalInitCode }),
+
+			rewriteImports({
+				ast,
+				usedDependencyMap
+			}),
+
+			addInitFunction({
+				ast,
+				initFuncId,
+				importedGlobals,
+				additionalInitCode,
+				startAtFuncOffset,
+				nextFuncIndex,
+				nextTypeIndex
+			})
+		);
+
+		const newBin = transform(bin);
+
+		return new RawSource(newBin);
+	}
+}
+
+module.exports = WebAssemblyGenerator;
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyInInitialChunkError.js b/node_modules/webpack/lib/wasm/WebAssemblyInInitialChunkError.js
new file mode 100644
index 00000000..319e757a
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyInInitialChunkError.js
@@ -0,0 +1,88 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+"use strict";
+
+const WebpackError = require("../WebpackError");
+
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../RequestShortener")} RequestShortener */
+
+/**
+ * @param {Module} module module to get chains from
+ * @param {RequestShortener} requestShortener to make readable identifiers
+ * @returns {string[]} all chains to the module
+ */
+const getInitialModuleChains = (module, requestShortener) => {
+	const queue = [
+		{ head: module, message: module.readableIdentifier(requestShortener) }
+	];
+	/** @type {Set<string>} */
+	const results = new Set();
+	/** @type {Set<string>} */
+	const incompleteResults = new Set();
+	/** @type {Set<Module>} */
+	const visitedModules = new Set();
+
+	for (const chain of queue) {
+		const { head, message } = chain;
+		let final = true;
+		/** @type {Set<Module>} */
+		const alreadyReferencedModules = new Set();
+		for (const reason of head.reasons) {
+			const newHead = reason.module;
+			if (newHead) {
+				if (!newHead.getChunks().some(c => c.canBeInitial())) continue;
+				final = false;
+				if (alreadyReferencedModules.has(newHead)) continue;
+				alreadyReferencedModules.add(newHead);
+				const moduleName = newHead.readableIdentifier(requestShortener);
+				const detail = reason.explanation ? ` (${reason.explanation})` : "";
+				const newMessage = `${moduleName}${detail} --> ${message}`;
+				if (visitedModules.has(newHead)) {
+					incompleteResults.add(`... --> ${newMessage}`);
+					continue;
+				}
+				visitedModules.add(newHead);
+				queue.push({
+					head: newHead,
+					message: newMessage
+				});
+			} else {
+				final = false;
+				const newMessage = reason.explanation
+					? `(${reason.explanation}) --> ${message}`
+					: message;
+				results.add(newMessage);
+			}
+		}
+		if (final) {
+			results.add(message);
+		}
+	}
+	for (const result of incompleteResults) {
+		results.add(result);
+	}
+	return Array.from(results);
+};
+
+module.exports = class WebAssemblyInInitialChunkError extends WebpackError {
+	/**
+	 * @param {Module} module WASM module
+	 * @param {RequestShortener} requestShortener request shortener
+	 */
+	constructor(module, requestShortener) {
+		const moduleChains = getInitialModuleChains(module, requestShortener);
+		const message = `WebAssembly module is included in initial chunk.
+This is not allowed, because WebAssembly download and compilation must happen asynchronous.
+Add an async splitpoint (i. e. import()) somewhere between your entrypoint and the WebAssembly module:
+${moduleChains.map(s => `* ${s}`).join("\n")}`;
+
+		super(message);
+		this.name = "WebAssemblyInInitialChunkError";
+		this.hideStack = true;
+		this.module = module;
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+};
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyJavascriptGenerator.js b/node_modules/webpack/lib/wasm/WebAssemblyJavascriptGenerator.js
new file mode 100644
index 00000000..22dfb791
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyJavascriptGenerator.js
@@ -0,0 +1,152 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Generator = require("../Generator");
+const Template = require("../Template");
+const { RawSource } = require("webpack-sources");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
+const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
+
+/** @typedef {import("../NormalModule")} NormalModule */
+/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../Dependency").DependencyTemplate} DependencyTemplate */
+
+class WebAssemblyJavascriptGenerator extends Generator {
+	/**
+	 * @param {NormalModule} module module for which the code should be generated
+	 * @param {Map<Function, DependencyTemplate>} dependencyTemplates mapping from dependencies to templates
+	 * @param {RuntimeTemplate} runtimeTemplate the runtime template
+	 * @param {string} type which kind of code should be generated
+	 * @returns {Source} generated code
+	 */
+	generate(module, dependencyTemplates, runtimeTemplate, type) {
+		const initIdentifer = Array.isArray(module.usedExports)
+			? Template.numberToIdentifer(module.usedExports.length)
+			: "__webpack_init__";
+
+		let needExportsCopy = false;
+		const importedModules = new Map();
+		const initParams = [];
+		let index = 0;
+		for (const dep of module.dependencies) {
+			const depAsAny = /** @type {any} */ (dep);
+			if (dep.module) {
+				let importData = importedModules.get(dep.module);
+				if (importData === undefined) {
+					importedModules.set(
+						dep.module,
+						(importData = {
+							importVar: `m${index}`,
+							index,
+							request:
+								"userRequest" in depAsAny ? depAsAny.userRequest : undefined,
+							names: new Set(),
+							reexports: []
+						})
+					);
+					index++;
+				}
+				if (dep instanceof WebAssemblyImportDependency) {
+					importData.names.add(dep.name);
+					if (dep.description.type === "GlobalType") {
+						const exportName = dep.name;
+						const usedName = dep.module && dep.module.isUsed(exportName);
+
+						if (dep.module) {
+							if (usedName) {
+								initParams.push(
+									runtimeTemplate.exportFromImport({
+										module: dep.module,
+										request: dep.request,
+										importVar: importData.importVar,
+										originModule: module,
+										exportName: dep.name,
+										asiSafe: true,
+										isCall: false,
+										callContext: null
+									})
+								);
+							}
+						}
+					}
+				}
+				if (dep instanceof WebAssemblyExportImportedDependency) {
+					importData.names.add(dep.name);
+					const usedName = module.isUsed(dep.exportName);
+					if (usedName) {
+						const exportProp = `${module.exportsArgument}[${JSON.stringify(
+							usedName
+						)}]`;
+						const defineStatement = Template.asString([
+							`${exportProp} = ${runtimeTemplate.exportFromImport({
+								module: dep.module,
+								request: dep.request,
+								importVar: importData.importVar,
+								originModule: module,
+								exportName: dep.name,
+								asiSafe: true,
+								isCall: false,
+								callContext: null
+							})};`,
+							`if(WebAssembly.Global) ${exportProp} = ` +
+								`new WebAssembly.Global({ value: ${JSON.stringify(
+									dep.valueType
+								)} }, ${exportProp});`
+						]);
+						importData.reexports.push(defineStatement);
+						needExportsCopy = true;
+					}
+				}
+			}
+		}
+		const importsCode = Template.asString(
+			Array.from(
+				importedModules,
+				([module, { importVar, request, reexports }]) => {
+					const importStatement = runtimeTemplate.importStatement({
+						module,
+						request,
+						importVar,
+						originModule: module
+					});
+					return importStatement + reexports.join("\n");
+				}
+			)
+		);
+
+		// create source
+		const source = new RawSource(
+			[
+				'"use strict";',
+				"// Instantiate WebAssembly module",
+				"var wasmExports = __webpack_require__.w[module.i];",
+
+				!Array.isArray(module.usedExports)
+					? `__webpack_require__.r(${module.exportsArgument});`
+					: "",
+
+				// this must be before import for circular dependencies
+				"// export exports from WebAssembly module",
+				Array.isArray(module.usedExports) && !needExportsCopy
+					? `${module.moduleArgument}.exports = wasmExports;`
+					: "for(var name in wasmExports) " +
+					  `if(name != ${JSON.stringify(initIdentifer)}) ` +
+					  `${module.exportsArgument}[name] = wasmExports[name];`,
+				"// exec imports from WebAssembly module (for esm order)",
+				importsCode,
+				"",
+				"// exec wasm module",
+				`wasmExports[${JSON.stringify(initIdentifer)}](${initParams.join(
+					", "
+				)})`
+			].join("\n")
+		);
+		return source;
+	}
+}
+
+module.exports = WebAssemblyJavascriptGenerator;
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyModulesPlugin.js b/node_modules/webpack/lib/wasm/WebAssemblyModulesPlugin.js
new file mode 100644
index 00000000..a4dd8a5b
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyModulesPlugin.js
@@ -0,0 +1,128 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Generator = require("../Generator");
+const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
+const WebAssemblyInInitialChunkError = require("./WebAssemblyInInitialChunkError");
+
+/** @typedef {import("../Compiler")} Compiler */
+
+let WebAssemblyGenerator;
+let WebAssemblyJavascriptGenerator;
+let WebAssemblyParser;
+
+class WebAssemblyModulesPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	/**
+	 * @param {Compiler} compiler compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"WebAssemblyModulesPlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					WebAssemblyImportDependency,
+					normalModuleFactory
+				);
+
+				compilation.dependencyFactories.set(
+					WebAssemblyExportImportedDependency,
+					normalModuleFactory
+				);
+
+				normalModuleFactory.hooks.createParser
+					.for("webassembly/experimental")
+					.tap("WebAssemblyModulesPlugin", () => {
+						if (WebAssemblyParser === undefined) {
+							WebAssemblyParser = require("./WebAssemblyParser");
+						}
+						return new WebAssemblyParser();
+					});
+
+				normalModuleFactory.hooks.createGenerator
+					.for("webassembly/experimental")
+					.tap("WebAssemblyModulesPlugin", () => {
+						if (WebAssemblyGenerator === undefined) {
+							WebAssemblyGenerator = require("./WebAssemblyGenerator");
+						}
+						if (WebAssemblyJavascriptGenerator === undefined) {
+							WebAssemblyJavascriptGenerator = require("./WebAssemblyJavascriptGenerator");
+						}
+						return Generator.byType({
+							javascript: new WebAssemblyJavascriptGenerator(),
+							webassembly: new WebAssemblyGenerator(this.options)
+						});
+					});
+
+				compilation.chunkTemplate.hooks.renderManifest.tap(
+					"WebAssemblyModulesPlugin",
+					(result, options) => {
+						const chunk = options.chunk;
+						const outputOptions = options.outputOptions;
+						const moduleTemplates = options.moduleTemplates;
+						const dependencyTemplates = options.dependencyTemplates;
+
+						for (const module of chunk.modulesIterable) {
+							if (module.type && module.type.startsWith("webassembly")) {
+								const filenameTemplate =
+									outputOptions.webassemblyModuleFilename;
+
+								result.push({
+									render: () =>
+										this.renderWebAssembly(
+											module,
+											moduleTemplates.webassembly,
+											dependencyTemplates
+										),
+									filenameTemplate,
+									pathOptions: {
+										module
+									},
+									identifier: `webassemblyModule${module.id}`,
+									hash: module.hash
+								});
+							}
+						}
+
+						return result;
+					}
+				);
+
+				compilation.hooks.afterChunks.tap("WebAssemblyModulesPlugin", () => {
+					const initialWasmModules = new Set();
+					for (const chunk of compilation.chunks) {
+						if (chunk.canBeInitial()) {
+							for (const module of chunk.modulesIterable) {
+								if (module.type.startsWith("webassembly")) {
+									initialWasmModules.add(module);
+								}
+							}
+						}
+					}
+					for (const module of initialWasmModules) {
+						compilation.errors.push(
+							new WebAssemblyInInitialChunkError(
+								module,
+								compilation.requestShortener
+							)
+						);
+					}
+				});
+			}
+		);
+	}
+
+	renderWebAssembly(module, moduleTemplate, dependencyTemplates) {
+		return moduleTemplate.render(module, dependencyTemplates, {});
+	}
+}
+
+module.exports = WebAssemblyModulesPlugin;
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyParser.js b/node_modules/webpack/lib/wasm/WebAssemblyParser.js
new file mode 100644
index 00000000..eb49fb13
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyParser.js
@@ -0,0 +1,175 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const t = require("@webassemblyjs/ast");
+const { decode } = require("@webassemblyjs/wasm-parser");
+const {
+	moduleContextFromModuleAST
+} = require("@webassemblyjs/helper-module-context");
+
+const { Tapable } = require("tapable");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
+const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
+
+/** @typedef {import("../Module")} Module */
+
+const JS_COMPAT_TYPES = new Set(["i32", "f32", "f64"]);
+
+/**
+ * @param {t.Signature} signature the func signature
+ * @returns {null | string} the type incompatible with js types
+ */
+const getJsIncompatibleType = signature => {
+	for (const param of signature.params) {
+		if (!JS_COMPAT_TYPES.has(param.valtype)) {
+			return `${param.valtype} as parameter`;
+		}
+	}
+	for (const type of signature.results) {
+		if (!JS_COMPAT_TYPES.has(type)) return `${type} as result`;
+	}
+	return null;
+};
+
+/**
+ * TODO why are there two different Signature types?
+ * @param {t.FuncSignature} signature the func signature
+ * @returns {null | string} the type incompatible with js types
+ */
+const getJsIncompatibleTypeOfFuncSignature = signature => {
+	for (const param of signature.args) {
+		if (!JS_COMPAT_TYPES.has(param)) {
+			return `${param} as parameter`;
+		}
+	}
+	for (const type of signature.result) {
+		if (!JS_COMPAT_TYPES.has(type)) return `${type} as result`;
+	}
+	return null;
+};
+
+const decoderOpts = {
+	ignoreCodeSection: true,
+	ignoreDataSection: true,
+
+	// this will avoid having to lookup with identifiers in the ModuleContext
+	ignoreCustomNameSection: true
+};
+
+class WebAssemblyParser extends Tapable {
+	constructor(options) {
+		super();
+		this.hooks = {};
+		this.options = options;
+	}
+
+	parse(binary, state) {
+		// flag it as ESM
+		state.module.buildMeta.exportsType = "namespace";
+
+		// parse it
+		const program = decode(binary, decoderOpts);
+		const module = program.body[0];
+
+		const moduleContext = moduleContextFromModuleAST(module);
+
+		// extract imports and exports
+		const exports = (state.module.buildMeta.providedExports = []);
+		const jsIncompatibleExports = (state.module.buildMeta.jsIncompatibleExports = []);
+
+		const importedGlobals = [];
+		t.traverse(module, {
+			ModuleExport({ node }) {
+				const descriptor = node.descr;
+
+				if (descriptor.exportType === "Func") {
+					const funcidx = descriptor.id.value;
+
+					/** @type {t.FuncSignature} */
+					const funcSignature = moduleContext.getFunction(funcidx);
+
+					const incompatibleType = getJsIncompatibleTypeOfFuncSignature(
+						funcSignature
+					);
+
+					if (incompatibleType) {
+						jsIncompatibleExports[node.name] = incompatibleType;
+					}
+				}
+
+				exports.push(node.name);
+
+				if (node.descr && node.descr.exportType === "Global") {
+					const refNode = importedGlobals[node.descr.id.value];
+					if (refNode) {
+						const dep = new WebAssemblyExportImportedDependency(
+							node.name,
+							refNode.module,
+							refNode.name,
+							refNode.descr.valtype
+						);
+
+						state.module.addDependency(dep);
+					}
+				}
+			},
+
+			Global({ node }) {
+				const init = node.init[0];
+
+				let importNode = null;
+
+				if (init.id === "get_global") {
+					const globalIdx = init.args[0].value;
+
+					if (globalIdx < importedGlobals.length) {
+						importNode = importedGlobals[globalIdx];
+					}
+				}
+
+				importedGlobals.push(importNode);
+			},
+
+			ModuleImport({ node }) {
+				/** @type {false | string} */
+				let onlyDirectImport = false;
+
+				if (t.isMemory(node.descr) === true) {
+					onlyDirectImport = "Memory";
+				} else if (t.isTable(node.descr) === true) {
+					onlyDirectImport = "Table";
+				} else if (t.isFuncImportDescr(node.descr) === true) {
+					const incompatibleType = getJsIncompatibleType(node.descr.signature);
+					if (incompatibleType) {
+						onlyDirectImport = `Non-JS-compatible Func Sigurature (${incompatibleType})`;
+					}
+				} else if (t.isGlobalType(node.descr) === true) {
+					const type = node.descr.valtype;
+					if (!JS_COMPAT_TYPES.has(type)) {
+						onlyDirectImport = `Non-JS-compatible Global Type (${type})`;
+					}
+				}
+
+				const dep = new WebAssemblyImportDependency(
+					node.module,
+					node.name,
+					node.descr,
+					onlyDirectImport
+				);
+
+				state.module.addDependency(dep);
+
+				if (t.isGlobalType(node.descr)) {
+					importedGlobals.push(node);
+				}
+			}
+		});
+
+		return state;
+	}
+}
+
+module.exports = WebAssemblyParser;
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyUtils.js b/node_modules/webpack/lib/wasm/WebAssemblyUtils.js
new file mode 100644
index 00000000..75eb6d29
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/WebAssemblyUtils.js
@@ -0,0 +1,59 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
+
+/** @typedef {import("../Module")} Module */
+
+/** @typedef {Object} UsedWasmDependency
+ * @property {WebAssemblyImportDependency} dependency the dependency
+ * @property {string} name the export name
+ * @property {string} module the module name
+ */
+
+const MANGLED_MODULE = "a";
+
+/**
+ * @param {Module} module the module
+ * @param {boolean} mangle mangle module and export names
+ * @returns {UsedWasmDependency[]} used dependencies and (mangled) name
+ */
+const getUsedDependencies = (module, mangle) => {
+	/** @type {UsedWasmDependency[]} */
+	const array = [];
+	let importIndex = 0;
+	for (const dep of module.dependencies) {
+		if (dep instanceof WebAssemblyImportDependency) {
+			if (dep.description.type === "GlobalType" || dep.module === null) {
+				continue;
+			}
+
+			const exportName = dep.name;
+			// TODO add the following 3 lines when removing of ModuleExport is possible
+			// const importedModule = dep.module;
+			// const usedName = importedModule && importedModule.isUsed(exportName);
+			// if (usedName !== false) {
+			if (mangle) {
+				array.push({
+					dependency: dep,
+					name: Template.numberToIdentifer(importIndex++),
+					module: MANGLED_MODULE
+				});
+			} else {
+				array.push({
+					dependency: dep,
+					name: exportName,
+					module: dep.request
+				});
+			}
+		}
+	}
+	return array;
+};
+
+exports.getUsedDependencies = getUsedDependencies;
+exports.MANGLED_MODULE = MANGLED_MODULE;
diff --git a/node_modules/webpack/lib/web/FetchCompileWasmTemplatePlugin.js b/node_modules/webpack/lib/web/FetchCompileWasmTemplatePlugin.js
new file mode 100644
index 00000000..025921fc
--- /dev/null
+++ b/node_modules/webpack/lib/web/FetchCompileWasmTemplatePlugin.js
@@ -0,0 +1,37 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WasmMainTemplatePlugin = require("../wasm/WasmMainTemplatePlugin");
+
+class FetchCompileWasmTemplatePlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"FetchCompileWasmTemplatePlugin",
+			compilation => {
+				const mainTemplate = compilation.mainTemplate;
+				const generateLoadBinaryCode = path =>
+					`fetch(${mainTemplate.requireFn}.p + ${path})`;
+
+				const plugin = new WasmMainTemplatePlugin(
+					Object.assign(
+						{
+							generateLoadBinaryCode,
+							supportsStreaming: true
+						},
+						this.options
+					)
+				);
+				plugin.apply(mainTemplate);
+			}
+		);
+	}
+}
+
+module.exports = FetchCompileWasmTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/JsonpChunkTemplatePlugin.js b/node_modules/webpack/lib/web/JsonpChunkTemplatePlugin.js
new file mode 100644
index 00000000..123dd520
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpChunkTemplatePlugin.js
@@ -0,0 +1,71 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+/** @typedef {import("../ChunkTemplate")} ChunkTemplate */
+
+const getEntryInfo = chunk => {
+	return [chunk.entryModule].filter(Boolean).map(m =>
+		[m.id].concat(
+			Array.from(chunk.groupsIterable)[0]
+				.chunks.filter(c => c !== chunk)
+				.map(c => c.id)
+		)
+	);
+};
+
+class JsonpChunkTemplatePlugin {
+	/**
+	 * @param {ChunkTemplate} chunkTemplate the chunk template
+	 * @returns {void}
+	 */
+	apply(chunkTemplate) {
+		chunkTemplate.hooks.render.tap(
+			"JsonpChunkTemplatePlugin",
+			(modules, chunk) => {
+				const jsonpFunction = chunkTemplate.outputOptions.jsonpFunction;
+				const globalObject = chunkTemplate.outputOptions.globalObject;
+				const source = new ConcatSource();
+				const prefetchChunks = chunk.getChildIdsByOrders().prefetch;
+				source.add(
+					`(${globalObject}[${JSON.stringify(
+						jsonpFunction
+					)}] = ${globalObject}[${JSON.stringify(
+						jsonpFunction
+					)}] || []).push([${JSON.stringify(chunk.ids)},`
+				);
+				source.add(modules);
+				const entries = getEntryInfo(chunk);
+				if (entries.length > 0) {
+					source.add(`,${JSON.stringify(entries)}`);
+				} else if (prefetchChunks && prefetchChunks.length) {
+					source.add(`,0`);
+				}
+
+				if (prefetchChunks && prefetchChunks.length) {
+					source.add(`,${JSON.stringify(prefetchChunks)}`);
+				}
+				source.add("])");
+				return source;
+			}
+		);
+		chunkTemplate.hooks.hash.tap("JsonpChunkTemplatePlugin", hash => {
+			hash.update("JsonpChunkTemplatePlugin");
+			hash.update("4");
+			hash.update(`${chunkTemplate.outputOptions.jsonpFunction}`);
+			hash.update(`${chunkTemplate.outputOptions.globalObject}`);
+		});
+		chunkTemplate.hooks.hashForChunk.tap(
+			"JsonpChunkTemplatePlugin",
+			(hash, chunk) => {
+				hash.update(JSON.stringify(getEntryInfo(chunk)));
+				hash.update(JSON.stringify(chunk.getChildIdsByOrders().prefetch) || "");
+			}
+		);
+	}
+}
+module.exports = JsonpChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/JsonpExportMainTemplatePlugin.js b/node_modules/webpack/lib/web/JsonpExportMainTemplatePlugin.js
new file mode 100644
index 00000000..064b249e
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpExportMainTemplatePlugin.js
@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+class JsonpExportMainTemplatePlugin {
+	/**
+	 * @param {string} name jsonp function name
+	 */
+	constructor(name) {
+		this.name = name;
+	}
+
+	apply(compilation) {
+		const { mainTemplate, chunkTemplate } = compilation;
+
+		const onRenderWithEntry = (source, chunk, hash) => {
+			const name = mainTemplate.getAssetPath(this.name || "", {
+				hash,
+				chunk
+			});
+			return new ConcatSource(`${name}(`, source, ");");
+		};
+
+		for (const template of [mainTemplate, chunkTemplate]) {
+			template.hooks.renderWithEntry.tap(
+				"JsonpExportMainTemplatePlugin",
+				onRenderWithEntry
+			);
+		}
+
+		mainTemplate.hooks.globalHashPaths.tap(
+			"JsonpExportMainTemplatePlugin",
+			paths => {
+				if (this.name) paths.push(this.name);
+				return paths;
+			}
+		);
+
+		mainTemplate.hooks.hash.tap("JsonpExportMainTemplatePlugin", hash => {
+			hash.update("jsonp export");
+			hash.update(`${this.name}`);
+		});
+	}
+}
+
+module.exports = JsonpExportMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/JsonpHotUpdateChunkTemplatePlugin.js b/node_modules/webpack/lib/web/JsonpHotUpdateChunkTemplatePlugin.js
new file mode 100644
index 00000000..bff023c0
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpHotUpdateChunkTemplatePlugin.js
@@ -0,0 +1,39 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+class JsonpHotUpdateChunkTemplatePlugin {
+	apply(hotUpdateChunkTemplate) {
+		hotUpdateChunkTemplate.hooks.render.tap(
+			"JsonpHotUpdateChunkTemplatePlugin",
+			(modulesSource, modules, removedModules, hash, id) => {
+				const source = new ConcatSource();
+				source.add(
+					`${
+						hotUpdateChunkTemplate.outputOptions.hotUpdateFunction
+					}(${JSON.stringify(id)},`
+				);
+				source.add(modulesSource);
+				source.add(")");
+				return source;
+			}
+		);
+		hotUpdateChunkTemplate.hooks.hash.tap(
+			"JsonpHotUpdateChunkTemplatePlugin",
+			hash => {
+				hash.update("JsonpHotUpdateChunkTemplatePlugin");
+				hash.update("3");
+				hash.update(
+					`${hotUpdateChunkTemplate.outputOptions.hotUpdateFunction}`
+				);
+				hash.update(`${hotUpdateChunkTemplate.outputOptions.library}`);
+			}
+		);
+	}
+}
+
+module.exports = JsonpHotUpdateChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/JsonpMainTemplate.runtime.js b/node_modules/webpack/lib/web/JsonpMainTemplate.runtime.js
new file mode 100644
index 00000000..cbaa01ef
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpMainTemplate.runtime.js
@@ -0,0 +1,71 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+// eslint-disable-next-line no-unused-vars
+var hotAddUpdateChunk = undefined;
+var parentHotUpdateCallback = undefined;
+var $require$ = undefined;
+var $hotMainFilename$ = undefined;
+var $hotChunkFilename$ = undefined;
+var $crossOriginLoading$ = undefined;
+
+module.exports = function() {
+	// eslint-disable-next-line no-unused-vars
+	function webpackHotUpdateCallback(chunkId, moreModules) {
+		hotAddUpdateChunk(chunkId, moreModules);
+		if (parentHotUpdateCallback) parentHotUpdateCallback(chunkId, moreModules);
+	} //$semicolon
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadUpdateChunk(chunkId) {
+		var script = document.createElement("script");
+		script.charset = "utf-8";
+		script.src = $require$.p + $hotChunkFilename$;
+		if ($crossOriginLoading$) script.crossOrigin = $crossOriginLoading$;
+		document.head.appendChild(script);
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadManifest(requestTimeout) {
+		requestTimeout = requestTimeout || 10000;
+		return new Promise(function(resolve, reject) {
+			if (typeof XMLHttpRequest === "undefined") {
+				return reject(new Error("No browser support"));
+			}
+			try {
+				var request = new XMLHttpRequest();
+				var requestPath = $require$.p + $hotMainFilename$;
+				request.open("GET", requestPath, true);
+				request.timeout = requestTimeout;
+				request.send(null);
+			} catch (err) {
+				return reject(err);
+			}
+			request.onreadystatechange = function() {
+				if (request.readyState !== 4) return;
+				if (request.status === 0) {
+					// timeout
+					reject(
+						new Error("Manifest request to " + requestPath + " timed out.")
+					);
+				} else if (request.status === 404) {
+					// no update available
+					resolve();
+				} else if (request.status !== 200 && request.status !== 304) {
+					// other failure
+					reject(new Error("Manifest request to " + requestPath + " failed."));
+				} else {
+					// success
+					try {
+						var update = JSON.parse(request.responseText);
+					} catch (e) {
+						reject(e);
+						return;
+					}
+					resolve(update);
+				}
+			};
+		});
+	}
+};
diff --git a/node_modules/webpack/lib/web/JsonpMainTemplatePlugin.js b/node_modules/webpack/lib/web/JsonpMainTemplatePlugin.js
new file mode 100644
index 00000000..5fcc8d8d
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpMainTemplatePlugin.js
@@ -0,0 +1,615 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { SyncWaterfallHook } = require("tapable");
+const Template = require("../Template");
+
+class JsonpMainTemplatePlugin {
+	apply(mainTemplate) {
+		const needChunkOnDemandLoadingCode = chunk => {
+			for (const chunkGroup of chunk.groupsIterable) {
+				if (chunkGroup.getNumberOfChildren() > 0) return true;
+			}
+			return false;
+		};
+		const needChunkLoadingCode = chunk => {
+			for (const chunkGroup of chunk.groupsIterable) {
+				if (chunkGroup.chunks.length > 1) return true;
+				if (chunkGroup.getNumberOfChildren() > 0) return true;
+			}
+			return false;
+		};
+		const needEntryDeferringCode = chunk => {
+			for (const chunkGroup of chunk.groupsIterable) {
+				if (chunkGroup.chunks.length > 1) return true;
+			}
+			return false;
+		};
+		const needPrefetchingCode = chunk => {
+			const allPrefetchChunks = chunk.getChildIdsByOrdersMap(true).prefetch;
+			return allPrefetchChunks && Object.keys(allPrefetchChunks).length;
+		};
+
+		// TODO webpack 5, no adding to .hooks, use WeakMap and static methods
+		["jsonpScript", "linkPreload", "linkPrefetch"].forEach(hook => {
+			if (!mainTemplate.hooks[hook]) {
+				mainTemplate.hooks[hook] = new SyncWaterfallHook([
+					"source",
+					"chunk",
+					"hash"
+				]);
+			}
+		});
+
+		const getScriptSrcPath = (hash, chunk, chunkIdExpression) => {
+			const chunkFilename = mainTemplate.outputOptions.chunkFilename;
+			const chunkMaps = chunk.getChunkMaps();
+			return mainTemplate.getAssetPath(JSON.stringify(chunkFilename), {
+				hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+				hashWithLength: length =>
+					`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+				chunk: {
+					id: `" + ${chunkIdExpression} + "`,
+					hash: `" + ${JSON.stringify(
+						chunkMaps.hash
+					)}[${chunkIdExpression}] + "`,
+					hashWithLength(length) {
+						const shortChunkHashMap = Object.create(null);
+						for (const chunkId of Object.keys(chunkMaps.hash)) {
+							if (typeof chunkMaps.hash[chunkId] === "string") {
+								shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(
+									0,
+									length
+								);
+							}
+						}
+						return `" + ${JSON.stringify(
+							shortChunkHashMap
+						)}[${chunkIdExpression}] + "`;
+					},
+					name: `" + (${JSON.stringify(
+						chunkMaps.name
+					)}[${chunkIdExpression}]||${chunkIdExpression}) + "`,
+					contentHash: {
+						javascript: `" + ${JSON.stringify(
+							chunkMaps.contentHash.javascript
+						)}[${chunkIdExpression}] + "`
+					},
+					contentHashWithLength: {
+						javascript: length => {
+							const shortContentHashMap = {};
+							const contentHash = chunkMaps.contentHash.javascript;
+							for (const chunkId of Object.keys(contentHash)) {
+								if (typeof contentHash[chunkId] === "string") {
+									shortContentHashMap[chunkId] = contentHash[chunkId].substr(
+										0,
+										length
+									);
+								}
+							}
+							return `" + ${JSON.stringify(
+								shortContentHashMap
+							)}[${chunkIdExpression}] + "`;
+						}
+					}
+				},
+				contentHashType: "javascript"
+			});
+		};
+		mainTemplate.hooks.localVars.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const extraCode = [];
+				if (needChunkLoadingCode(chunk)) {
+					extraCode.push(
+						"",
+						"// object to store loaded and loading chunks",
+						"// undefined = chunk not loaded, null = chunk preloaded/prefetched",
+						"// Promise = chunk loading, 0 = chunk loaded",
+						"var installedChunks = {",
+						Template.indent(
+							chunk.ids.map(id => `${JSON.stringify(id)}: 0`).join(",\n")
+						),
+						"};",
+						"",
+						needEntryDeferringCode(chunk)
+							? needPrefetchingCode(chunk)
+								? "var deferredModules = [], deferredPrefetch = [];"
+								: "var deferredModules = [];"
+							: ""
+					);
+				}
+				if (needChunkOnDemandLoadingCode(chunk)) {
+					extraCode.push(
+						"",
+						"// script path function",
+						"function jsonpScriptSrc(chunkId) {",
+						Template.indent([
+							`return ${mainTemplate.requireFn}.p + ${getScriptSrcPath(
+								hash,
+								chunk,
+								"chunkId"
+							)}`
+						]),
+						"}"
+					);
+				}
+				if (extraCode.length === 0) return source;
+				return Template.asString([source, ...extraCode]);
+			}
+		);
+
+		mainTemplate.hooks.jsonpScript.tap(
+			"JsonpMainTemplatePlugin",
+			(_, chunk, hash) => {
+				const crossOriginLoading =
+					mainTemplate.outputOptions.crossOriginLoading;
+				const chunkLoadTimeout = mainTemplate.outputOptions.chunkLoadTimeout;
+				const jsonpScriptType = mainTemplate.outputOptions.jsonpScriptType;
+
+				return Template.asString([
+					"var script = document.createElement('script');",
+					"var onScriptComplete;",
+					jsonpScriptType
+						? `script.type = ${JSON.stringify(jsonpScriptType)};`
+						: "",
+					"script.charset = 'utf-8';",
+					`script.timeout = ${chunkLoadTimeout / 1000};`,
+					`if (${mainTemplate.requireFn}.nc) {`,
+					Template.indent(
+						`script.setAttribute("nonce", ${mainTemplate.requireFn}.nc);`
+					),
+					"}",
+					"script.src = jsonpScriptSrc(chunkId);",
+					crossOriginLoading
+						? Template.asString([
+								"if (script.src.indexOf(window.location.origin + '/') !== 0) {",
+								Template.indent(
+									`script.crossOrigin = ${JSON.stringify(crossOriginLoading)};`
+								),
+								"}"
+						  ])
+						: "",
+					"// create error before stack unwound to get useful stacktrace later",
+					"var error = new Error();",
+					"onScriptComplete = function (event) {",
+					Template.indent([
+						"// avoid mem leaks in IE.",
+						"script.onerror = script.onload = null;",
+						"clearTimeout(timeout);",
+						"var chunk = installedChunks[chunkId];",
+						"if(chunk !== 0) {",
+						Template.indent([
+							"if(chunk) {",
+							Template.indent([
+								"var errorType = event && (event.type === 'load' ? 'missing' : event.type);",
+								"var realSrc = event && event.target && event.target.src;",
+								"error.message = 'Loading chunk ' + chunkId + ' failed.\\n(' + errorType + ': ' + realSrc + ')';",
+								"error.name = 'ChunkLoadError';",
+								"error.type = errorType;",
+								"error.request = realSrc;",
+								"chunk[1](error);"
+							]),
+							"}",
+							"installedChunks[chunkId] = undefined;"
+						]),
+						"}"
+					]),
+					"};",
+					"var timeout = setTimeout(function(){",
+					Template.indent([
+						"onScriptComplete({ type: 'timeout', target: script });"
+					]),
+					`}, ${chunkLoadTimeout});`,
+					"script.onerror = script.onload = onScriptComplete;"
+				]);
+			}
+		);
+		mainTemplate.hooks.linkPreload.tap(
+			"JsonpMainTemplatePlugin",
+			(_, chunk, hash) => {
+				const crossOriginLoading =
+					mainTemplate.outputOptions.crossOriginLoading;
+				const jsonpScriptType = mainTemplate.outputOptions.jsonpScriptType;
+
+				return Template.asString([
+					"var link = document.createElement('link');",
+					jsonpScriptType
+						? `link.type = ${JSON.stringify(jsonpScriptType)};`
+						: "",
+					"link.charset = 'utf-8';",
+					`if (${mainTemplate.requireFn}.nc) {`,
+					Template.indent(
+						`link.setAttribute("nonce", ${mainTemplate.requireFn}.nc);`
+					),
+					"}",
+					'link.rel = "preload";',
+					'link.as = "script";',
+					"link.href = jsonpScriptSrc(chunkId);",
+					crossOriginLoading
+						? Template.asString([
+								"if (link.href.indexOf(window.location.origin + '/') !== 0) {",
+								Template.indent(
+									`link.crossOrigin = ${JSON.stringify(crossOriginLoading)};`
+								),
+								"}"
+						  ])
+						: ""
+				]);
+			}
+		);
+		mainTemplate.hooks.linkPrefetch.tap(
+			"JsonpMainTemplatePlugin",
+			(_, chunk, hash) => {
+				const crossOriginLoading =
+					mainTemplate.outputOptions.crossOriginLoading;
+
+				return Template.asString([
+					"var link = document.createElement('link');",
+					crossOriginLoading
+						? `link.crossOrigin = ${JSON.stringify(crossOriginLoading)};`
+						: "",
+					`if (${mainTemplate.requireFn}.nc) {`,
+					Template.indent(
+						`link.setAttribute("nonce", ${mainTemplate.requireFn}.nc);`
+					),
+					"}",
+					'link.rel = "prefetch";',
+					'link.as = "script";',
+					"link.href = jsonpScriptSrc(chunkId);"
+				]);
+			}
+		);
+		mainTemplate.hooks.requireEnsure.tap(
+			"JsonpMainTemplatePlugin load",
+			(source, chunk, hash) => {
+				return Template.asString([
+					source,
+					"",
+					"// JSONP chunk loading for javascript",
+					"",
+					"var installedChunkData = installedChunks[chunkId];",
+					'if(installedChunkData !== 0) { // 0 means "already installed".',
+					Template.indent([
+						"",
+						'// a Promise means "currently loading".',
+						"if(installedChunkData) {",
+						Template.indent(["promises.push(installedChunkData[2]);"]),
+						"} else {",
+						Template.indent([
+							"// setup Promise in chunk cache",
+							"var promise = new Promise(function(resolve, reject) {",
+							Template.indent([
+								"installedChunkData = installedChunks[chunkId] = [resolve, reject];"
+							]),
+							"});",
+							"promises.push(installedChunkData[2] = promise);",
+							"",
+							"// start chunk loading",
+							mainTemplate.hooks.jsonpScript.call("", chunk, hash),
+							"document.head.appendChild(script);"
+						]),
+						"}"
+					]),
+					"}"
+				]);
+			}
+		);
+		mainTemplate.hooks.requireEnsure.tap(
+			{
+				name: "JsonpMainTemplatePlugin preload",
+				stage: 10
+			},
+			(source, chunk, hash) => {
+				const chunkMap = chunk.getChildIdsByOrdersMap().preload;
+				if (!chunkMap || Object.keys(chunkMap).length === 0) return source;
+				return Template.asString([
+					source,
+					"",
+					"// chunk preloadng for javascript",
+					"",
+					`var chunkPreloadMap = ${JSON.stringify(chunkMap, null, "\t")};`,
+					"",
+					"var chunkPreloadData = chunkPreloadMap[chunkId];",
+					"if(chunkPreloadData) {",
+					Template.indent([
+						"chunkPreloadData.forEach(function(chunkId) {",
+						Template.indent([
+							"if(installedChunks[chunkId] === undefined) {",
+							Template.indent([
+								"installedChunks[chunkId] = null;",
+								mainTemplate.hooks.linkPreload.call("", chunk, hash),
+								"document.head.appendChild(link);"
+							]),
+							"}"
+						]),
+						"});"
+					]),
+					"}"
+				]);
+			}
+		);
+		mainTemplate.hooks.requireExtensions.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk) => {
+				if (!needChunkOnDemandLoadingCode(chunk)) return source;
+
+				return Template.asString([
+					source,
+					"",
+					"// on error function for async loading",
+					`${mainTemplate.requireFn}.oe = function(err) { console.error(err); throw err; };`
+				]);
+			}
+		);
+		mainTemplate.hooks.bootstrap.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				if (needChunkLoadingCode(chunk)) {
+					const withDefer = needEntryDeferringCode(chunk);
+					const withPrefetch = needPrefetchingCode(chunk);
+					return Template.asString([
+						source,
+						"",
+						"// install a JSONP callback for chunk loading",
+						"function webpackJsonpCallback(data) {",
+						Template.indent([
+							"var chunkIds = data[0];",
+							"var moreModules = data[1];",
+							withDefer ? "var executeModules = data[2];" : "",
+							withPrefetch ? "var prefetchChunks = data[3] || [];" : "",
+							'// add "moreModules" to the modules object,',
+							'// then flag all "chunkIds" as loaded and fire callback',
+							"var moduleId, chunkId, i = 0, resolves = [];",
+							"for(;i < chunkIds.length; i++) {",
+							Template.indent([
+								"chunkId = chunkIds[i];",
+								"if(Object.prototype.hasOwnProperty.call(installedChunks, chunkId) && installedChunks[chunkId]) {",
+								Template.indent("resolves.push(installedChunks[chunkId][0]);"),
+								"}",
+								"installedChunks[chunkId] = 0;"
+							]),
+							"}",
+							"for(moduleId in moreModules) {",
+							Template.indent([
+								"if(Object.prototype.hasOwnProperty.call(moreModules, moduleId)) {",
+								Template.indent(
+									mainTemplate.renderAddModule(
+										hash,
+										chunk,
+										"moduleId",
+										"moreModules[moduleId]"
+									)
+								),
+								"}"
+							]),
+							"}",
+							"if(parentJsonpFunction) parentJsonpFunction(data);",
+							withPrefetch
+								? withDefer
+									? "deferredPrefetch.push.apply(deferredPrefetch, prefetchChunks);"
+									: Template.asString([
+											"// chunk prefetching for javascript",
+											"prefetchChunks.forEach(function(chunkId) {",
+											Template.indent([
+												"if(installedChunks[chunkId] === undefined) {",
+												Template.indent([
+													"installedChunks[chunkId] = null;",
+													mainTemplate.hooks.linkPrefetch.call("", chunk, hash),
+													"document.head.appendChild(link);"
+												]),
+												"}"
+											]),
+											"});"
+									  ])
+								: "",
+							"while(resolves.length) {",
+							Template.indent("resolves.shift()();"),
+							"}",
+							withDefer
+								? Template.asString([
+										"",
+										"// add entry modules from loaded chunk to deferred list",
+										"deferredModules.push.apply(deferredModules, executeModules || []);",
+										"",
+										"// run deferred modules when all chunks ready",
+										"return checkDeferredModules();"
+								  ])
+								: ""
+						]),
+						"};",
+						withDefer
+							? Template.asString([
+									"function checkDeferredModules() {",
+									Template.indent([
+										"var result;",
+										"for(var i = 0; i < deferredModules.length; i++) {",
+										Template.indent([
+											"var deferredModule = deferredModules[i];",
+											"var fulfilled = true;",
+											"for(var j = 1; j < deferredModule.length; j++) {",
+											Template.indent([
+												"var depId = deferredModule[j];",
+												"if(installedChunks[depId] !== 0) fulfilled = false;"
+											]),
+											"}",
+											"if(fulfilled) {",
+											Template.indent([
+												"deferredModules.splice(i--, 1);",
+												"result = " +
+													mainTemplate.requireFn +
+													"(" +
+													mainTemplate.requireFn +
+													".s = deferredModule[0]);"
+											]),
+											"}"
+										]),
+										"}",
+										withPrefetch
+											? Template.asString([
+													"if(deferredModules.length === 0) {",
+													Template.indent([
+														"// chunk prefetching for javascript",
+														"deferredPrefetch.forEach(function(chunkId) {",
+														Template.indent([
+															"if(installedChunks[chunkId] === undefined) {",
+															Template.indent([
+																"installedChunks[chunkId] = null;",
+																mainTemplate.hooks.linkPrefetch.call(
+																	"",
+																	chunk,
+																	hash
+																),
+																"document.head.appendChild(link);"
+															]),
+															"}"
+														]),
+														"});",
+														"deferredPrefetch.length = 0;"
+													]),
+													"}"
+											  ])
+											: "",
+										"return result;"
+									]),
+									"}"
+							  ])
+							: ""
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.beforeStartup.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				if (needChunkLoadingCode(chunk)) {
+					var jsonpFunction = mainTemplate.outputOptions.jsonpFunction;
+					var globalObject = mainTemplate.outputOptions.globalObject;
+					return Template.asString([
+						`var jsonpArray = ${globalObject}[${JSON.stringify(
+							jsonpFunction
+						)}] = ${globalObject}[${JSON.stringify(jsonpFunction)}] || [];`,
+						"var oldJsonpFunction = jsonpArray.push.bind(jsonpArray);",
+						"jsonpArray.push = webpackJsonpCallback;",
+						"jsonpArray = jsonpArray.slice();",
+						"for(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);",
+						"var parentJsonpFunction = oldJsonpFunction;",
+						"",
+						source
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.afterStartup.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const prefetchChunks = chunk.getChildIdsByOrders().prefetch;
+				if (
+					needChunkLoadingCode(chunk) &&
+					prefetchChunks &&
+					prefetchChunks.length
+				) {
+					return Template.asString([
+						source,
+						`webpackJsonpCallback([[], {}, 0, ${JSON.stringify(
+							prefetchChunks
+						)}]);`
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.startup.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				if (needEntryDeferringCode(chunk)) {
+					if (chunk.hasEntryModule()) {
+						const entries = [chunk.entryModule].filter(Boolean).map(m =>
+							[m.id].concat(
+								Array.from(chunk.groupsIterable)[0]
+									.chunks.filter(c => c !== chunk)
+									.map(c => c.id)
+							)
+						);
+						return Template.asString([
+							"// add entry module to deferred list",
+							`deferredModules.push(${entries
+								.map(e => JSON.stringify(e))
+								.join(", ")});`,
+							"// run deferred modules when ready",
+							"return checkDeferredModules();"
+						]);
+					} else {
+						return Template.asString([
+							"// run deferred modules from other chunks",
+							"checkDeferredModules();"
+						]);
+					}
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.hotBootstrap.tap(
+			"JsonpMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const globalObject = mainTemplate.outputOptions.globalObject;
+				const hotUpdateChunkFilename =
+					mainTemplate.outputOptions.hotUpdateChunkFilename;
+				const hotUpdateMainFilename =
+					mainTemplate.outputOptions.hotUpdateMainFilename;
+				const crossOriginLoading =
+					mainTemplate.outputOptions.crossOriginLoading;
+				const hotUpdateFunction = mainTemplate.outputOptions.hotUpdateFunction;
+				const currentHotUpdateChunkFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateChunkFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+						chunk: {
+							id: '" + chunkId + "'
+						}
+					}
+				);
+				const currentHotUpdateMainFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateMainFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`
+					}
+				);
+				const runtimeSource = Template.getFunctionContent(
+					require("./JsonpMainTemplate.runtime")
+				)
+					.replace(/\/\/\$semicolon/g, ";")
+					.replace(/\$require\$/g, mainTemplate.requireFn)
+					.replace(
+						/\$crossOriginLoading\$/g,
+						crossOriginLoading ? JSON.stringify(crossOriginLoading) : "null"
+					)
+					.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
+					.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
+					.replace(/\$hash\$/g, JSON.stringify(hash));
+				return `${source}
+function hotDisposeChunk(chunkId) {
+	delete installedChunks[chunkId];
+}
+var parentHotUpdateCallback = ${globalObject}[${JSON.stringify(
+					hotUpdateFunction
+				)}];
+${globalObject}[${JSON.stringify(hotUpdateFunction)}] = ${runtimeSource}`;
+			}
+		);
+		mainTemplate.hooks.hash.tap("JsonpMainTemplatePlugin", hash => {
+			hash.update("jsonp");
+			hash.update("6");
+		});
+	}
+}
+module.exports = JsonpMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/JsonpTemplatePlugin.js b/node_modules/webpack/lib/web/JsonpTemplatePlugin.js
new file mode 100644
index 00000000..80a6b5b4
--- /dev/null
+++ b/node_modules/webpack/lib/web/JsonpTemplatePlugin.js
@@ -0,0 +1,23 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const JsonpMainTemplatePlugin = require("./JsonpMainTemplatePlugin");
+const JsonpChunkTemplatePlugin = require("./JsonpChunkTemplatePlugin");
+const JsonpHotUpdateChunkTemplatePlugin = require("./JsonpHotUpdateChunkTemplatePlugin");
+
+class JsonpTemplatePlugin {
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("JsonpTemplatePlugin", compilation => {
+			new JsonpMainTemplatePlugin().apply(compilation.mainTemplate);
+			new JsonpChunkTemplatePlugin().apply(compilation.chunkTemplate);
+			new JsonpHotUpdateChunkTemplatePlugin().apply(
+				compilation.hotUpdateChunkTemplate
+			);
+		});
+	}
+}
+
+module.exports = JsonpTemplatePlugin;
diff --git a/node_modules/webpack/lib/web/WebEnvironmentPlugin.js b/node_modules/webpack/lib/web/WebEnvironmentPlugin.js
new file mode 100644
index 00000000..9b0df574
--- /dev/null
+++ b/node_modules/webpack/lib/web/WebEnvironmentPlugin.js
@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class WebEnvironmentPlugin {
+	constructor(inputFileSystem, outputFileSystem) {
+		this.inputFileSystem = inputFileSystem;
+		this.outputFileSystem = outputFileSystem;
+	}
+
+	apply(compiler) {
+		compiler.outputFileSystem = this.outputFileSystem;
+	}
+}
+
+module.exports = WebEnvironmentPlugin;
diff --git a/node_modules/webpack/lib/webpack.js b/node_modules/webpack/lib/webpack.js
new file mode 100644
index 00000000..80f810b3
--- /dev/null
+++ b/node_modules/webpack/lib/webpack.js
@@ -0,0 +1,206 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Compiler = require("./Compiler");
+const MultiCompiler = require("./MultiCompiler");
+const NodeEnvironmentPlugin = require("./node/NodeEnvironmentPlugin");
+const WebpackOptionsApply = require("./WebpackOptionsApply");
+const WebpackOptionsDefaulter = require("./WebpackOptionsDefaulter");
+const validateSchema = require("./validateSchema");
+const WebpackOptionsValidationError = require("./WebpackOptionsValidationError");
+const webpackOptionsSchema = require("../schemas/WebpackOptions.json");
+const RemovedPluginError = require("./RemovedPluginError");
+const version = require("../package.json").version;
+
+/** @typedef {import("../declarations/WebpackOptions").WebpackOptions} WebpackOptions */
+
+/**
+ * @param {WebpackOptions} options options object
+ * @param {function(Error=, Stats=): void=} callback callback
+ * @returns {Compiler | MultiCompiler} the compiler object
+ */
+const webpack = (options, callback) => {
+	const webpackOptionsValidationErrors = validateSchema(
+		webpackOptionsSchema,
+		options
+	);
+	if (webpackOptionsValidationErrors.length) {
+		throw new WebpackOptionsValidationError(webpackOptionsValidationErrors);
+	}
+	let compiler;
+	if (Array.isArray(options)) {
+		compiler = new MultiCompiler(
+			Array.from(options).map(options => webpack(options))
+		);
+	} else if (typeof options === "object") {
+		options = new WebpackOptionsDefaulter().process(options);
+
+		compiler = new Compiler(options.context);
+		compiler.options = options;
+		new NodeEnvironmentPlugin({
+			infrastructureLogging: options.infrastructureLogging
+		}).apply(compiler);
+		if (options.plugins && Array.isArray(options.plugins)) {
+			for (const plugin of options.plugins) {
+				if (typeof plugin === "function") {
+					plugin.call(compiler, compiler);
+				} else {
+					plugin.apply(compiler);
+				}
+			}
+		}
+		compiler.hooks.environment.call();
+		compiler.hooks.afterEnvironment.call();
+		compiler.options = new WebpackOptionsApply().process(options, compiler);
+	} else {
+		throw new Error("Invalid argument: options");
+	}
+	if (callback) {
+		if (typeof callback !== "function") {
+			throw new Error("Invalid argument: callback");
+		}
+		if (
+			options.watch === true ||
+			(Array.isArray(options) && options.some(o => o.watch))
+		) {
+			const watchOptions = Array.isArray(options)
+				? options.map(o => o.watchOptions || {})
+				: options.watchOptions || {};
+			return compiler.watch(watchOptions, callback);
+		}
+		compiler.run(callback);
+	}
+	return compiler;
+};
+
+exports = module.exports = webpack;
+exports.version = version;
+
+webpack.WebpackOptionsDefaulter = WebpackOptionsDefaulter;
+webpack.WebpackOptionsApply = WebpackOptionsApply;
+webpack.Compiler = Compiler;
+webpack.MultiCompiler = MultiCompiler;
+webpack.NodeEnvironmentPlugin = NodeEnvironmentPlugin;
+// @ts-ignore Global @this directive is not supported
+webpack.validate = validateSchema.bind(this, webpackOptionsSchema);
+webpack.validateSchema = validateSchema;
+webpack.WebpackOptionsValidationError = WebpackOptionsValidationError;
+
+const exportPlugins = (obj, mappings) => {
+	for (const name of Object.keys(mappings)) {
+		Object.defineProperty(obj, name, {
+			configurable: false,
+			enumerable: true,
+			get: mappings[name]
+		});
+	}
+};
+
+exportPlugins(exports, {
+	AutomaticPrefetchPlugin: () => require("./AutomaticPrefetchPlugin"),
+	BannerPlugin: () => require("./BannerPlugin"),
+	CachePlugin: () => require("./CachePlugin"),
+	ContextExclusionPlugin: () => require("./ContextExclusionPlugin"),
+	ContextReplacementPlugin: () => require("./ContextReplacementPlugin"),
+	DefinePlugin: () => require("./DefinePlugin"),
+	Dependency: () => require("./Dependency"),
+	DllPlugin: () => require("./DllPlugin"),
+	DllReferencePlugin: () => require("./DllReferencePlugin"),
+	EnvironmentPlugin: () => require("./EnvironmentPlugin"),
+	EvalDevToolModulePlugin: () => require("./EvalDevToolModulePlugin"),
+	EvalSourceMapDevToolPlugin: () => require("./EvalSourceMapDevToolPlugin"),
+	ExtendedAPIPlugin: () => require("./ExtendedAPIPlugin"),
+	ExternalsPlugin: () => require("./ExternalsPlugin"),
+	HashedModuleIdsPlugin: () => require("./HashedModuleIdsPlugin"),
+	HotModuleReplacementPlugin: () => require("./HotModuleReplacementPlugin"),
+	IgnorePlugin: () => require("./IgnorePlugin"),
+	LibraryTemplatePlugin: () => require("./LibraryTemplatePlugin"),
+	LoaderOptionsPlugin: () => require("./LoaderOptionsPlugin"),
+	LoaderTargetPlugin: () => require("./LoaderTargetPlugin"),
+	MemoryOutputFileSystem: () => require("./MemoryOutputFileSystem"),
+	Module: () => require("./Module"),
+	ModuleFilenameHelpers: () => require("./ModuleFilenameHelpers"),
+	NamedChunksPlugin: () => require("./NamedChunksPlugin"),
+	NamedModulesPlugin: () => require("./NamedModulesPlugin"),
+	NoEmitOnErrorsPlugin: () => require("./NoEmitOnErrorsPlugin"),
+	NormalModuleReplacementPlugin: () =>
+		require("./NormalModuleReplacementPlugin"),
+	PrefetchPlugin: () => require("./PrefetchPlugin"),
+	ProgressPlugin: () => require("./ProgressPlugin"),
+	ProvidePlugin: () => require("./ProvidePlugin"),
+	SetVarMainTemplatePlugin: () => require("./SetVarMainTemplatePlugin"),
+	SingleEntryPlugin: () => require("./SingleEntryPlugin"),
+	SourceMapDevToolPlugin: () => require("./SourceMapDevToolPlugin"),
+	Stats: () => require("./Stats"),
+	Template: () => require("./Template"),
+	UmdMainTemplatePlugin: () => require("./UmdMainTemplatePlugin"),
+	WatchIgnorePlugin: () => require("./WatchIgnorePlugin")
+});
+exportPlugins((exports.dependencies = {}), {
+	DependencyReference: () => require("./dependencies/DependencyReference")
+});
+exportPlugins((exports.optimize = {}), {
+	AggressiveMergingPlugin: () => require("./optimize/AggressiveMergingPlugin"),
+	AggressiveSplittingPlugin: () =>
+		require("./optimize/AggressiveSplittingPlugin"),
+	ChunkModuleIdRangePlugin: () =>
+		require("./optimize/ChunkModuleIdRangePlugin"),
+	LimitChunkCountPlugin: () => require("./optimize/LimitChunkCountPlugin"),
+	MinChunkSizePlugin: () => require("./optimize/MinChunkSizePlugin"),
+	ModuleConcatenationPlugin: () =>
+		require("./optimize/ModuleConcatenationPlugin"),
+	OccurrenceOrderPlugin: () => require("./optimize/OccurrenceOrderPlugin"),
+	OccurrenceModuleOrderPlugin: () =>
+		require("./optimize/OccurrenceModuleOrderPlugin"),
+	OccurrenceChunkOrderPlugin: () =>
+		require("./optimize/OccurrenceChunkOrderPlugin"),
+	RuntimeChunkPlugin: () => require("./optimize/RuntimeChunkPlugin"),
+	SideEffectsFlagPlugin: () => require("./optimize/SideEffectsFlagPlugin"),
+	SplitChunksPlugin: () => require("./optimize/SplitChunksPlugin")
+});
+exportPlugins((exports.web = {}), {
+	FetchCompileWasmTemplatePlugin: () =>
+		require("./web/FetchCompileWasmTemplatePlugin"),
+	JsonpTemplatePlugin: () => require("./web/JsonpTemplatePlugin")
+});
+exportPlugins((exports.webworker = {}), {
+	WebWorkerTemplatePlugin: () => require("./webworker/WebWorkerTemplatePlugin")
+});
+exportPlugins((exports.node = {}), {
+	NodeTemplatePlugin: () => require("./node/NodeTemplatePlugin"),
+	ReadFileCompileWasmTemplatePlugin: () =>
+		require("./node/ReadFileCompileWasmTemplatePlugin")
+});
+exportPlugins((exports.debug = {}), {
+	ProfilingPlugin: () => require("./debug/ProfilingPlugin")
+});
+exportPlugins((exports.util = {}), {
+	createHash: () => require("./util/createHash")
+});
+
+const defineMissingPluginError = (namespace, pluginName, errorMessage) => {
+	Object.defineProperty(namespace, pluginName, {
+		configurable: false,
+		enumerable: true,
+		get() {
+			throw new RemovedPluginError(errorMessage);
+		}
+	});
+};
+
+// TODO remove in webpack 5
+defineMissingPluginError(
+	exports.optimize,
+	"UglifyJsPlugin",
+	"webpack.optimize.UglifyJsPlugin has been removed, please use config.optimization.minimize instead."
+);
+
+// TODO remove in webpack 5
+defineMissingPluginError(
+	exports.optimize,
+	"CommonsChunkPlugin",
+	"webpack.optimize.CommonsChunkPlugin has been removed, please use config.optimization.splitChunks instead."
+);
diff --git a/node_modules/webpack/lib/webpack.web.js b/node_modules/webpack/lib/webpack.web.js
new file mode 100644
index 00000000..1f60eab7
--- /dev/null
+++ b/node_modules/webpack/lib/webpack.web.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Compiler = require("./Compiler");
+const WebEnvironmentPlugin = require("./web/WebEnvironmentPlugin");
+const WebpackOptionsApply = require("./WebpackOptionsApply");
+const WebpackOptionsDefaulter = require("./WebpackOptionsDefaulter");
+
+const webpack = (options, callback) => {
+	new WebpackOptionsDefaulter().process(options);
+
+	const compiler = new Compiler();
+	compiler.options = new WebpackOptionsApply().process(options, compiler);
+	new WebEnvironmentPlugin(
+		options.inputFileSystem,
+		options.outputFileSystem
+	).apply(compiler);
+	if (callback) {
+		compiler.run(callback);
+	}
+	return compiler;
+};
+module.exports = webpack;
+
+webpack.WebpackOptionsDefaulter = WebpackOptionsDefaulter;
+webpack.WebpackOptionsApply = WebpackOptionsApply;
+webpack.Compiler = Compiler;
+webpack.WebEnvironmentPlugin = WebEnvironmentPlugin;
diff --git a/node_modules/webpack/lib/webworker/WebWorkerChunkTemplatePlugin.js b/node_modules/webpack/lib/webworker/WebWorkerChunkTemplatePlugin.js
new file mode 100644
index 00000000..f44ca26c
--- /dev/null
+++ b/node_modules/webpack/lib/webworker/WebWorkerChunkTemplatePlugin.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+class WebWorkerChunkTemplatePlugin {
+	apply(chunkTemplate) {
+		chunkTemplate.hooks.render.tap(
+			"WebWorkerChunkTemplatePlugin",
+			(modules, chunk) => {
+				const chunkCallbackName = chunkTemplate.outputOptions.chunkCallbackName;
+				const globalObject = chunkTemplate.outputOptions.globalObject;
+				const source = new ConcatSource();
+				source.add(
+					`${globalObject}[${JSON.stringify(
+						chunkCallbackName
+					)}](${JSON.stringify(chunk.ids)},`
+				);
+				source.add(modules);
+				source.add(")");
+				return source;
+			}
+		);
+		chunkTemplate.hooks.hash.tap("WebWorkerChunkTemplatePlugin", hash => {
+			hash.update("webworker");
+			hash.update("3");
+			hash.update(`${chunkTemplate.outputOptions.chunkCallbackName}`);
+			hash.update(`${chunkTemplate.outputOptions.globalObject}`);
+		});
+	}
+}
+module.exports = WebWorkerChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/webworker/WebWorkerHotUpdateChunkTemplatePlugin.js b/node_modules/webpack/lib/webworker/WebWorkerHotUpdateChunkTemplatePlugin.js
new file mode 100644
index 00000000..8b026119
--- /dev/null
+++ b/node_modules/webpack/lib/webworker/WebWorkerHotUpdateChunkTemplatePlugin.js
@@ -0,0 +1,40 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const { ConcatSource } = require("webpack-sources");
+
+class WebWorkerHotUpdateChunkTemplatePlugin {
+	apply(hotUpdateChunkTemplate) {
+		hotUpdateChunkTemplate.hooks.render.tap(
+			"WebWorkerHotUpdateChunkTemplatePlugin",
+			(modulesSource, modules, removedModules, hash, id) => {
+				const hotUpdateFunction =
+					hotUpdateChunkTemplate.outputOptions.hotUpdateFunction;
+				const globalObject = hotUpdateChunkTemplate.outputOptions.globalObject;
+				const source = new ConcatSource();
+				source.add(
+					`${globalObject}[${JSON.stringify(
+						hotUpdateFunction
+					)}](${JSON.stringify(id)},`
+				);
+				source.add(modulesSource);
+				source.add(")");
+				return source;
+			}
+		);
+		hotUpdateChunkTemplate.hooks.hash.tap(
+			"WebWorkerHotUpdateChunkTemplatePlugin",
+			hash => {
+				hash.update("WebWorkerHotUpdateChunkTemplatePlugin");
+				hash.update("3");
+				hash.update(
+					hotUpdateChunkTemplate.outputOptions.hotUpdateFunction + ""
+				);
+				hash.update(hotUpdateChunkTemplate.outputOptions.globalObject + "");
+			}
+		);
+	}
+}
+module.exports = WebWorkerHotUpdateChunkTemplatePlugin;
diff --git a/node_modules/webpack/lib/webworker/WebWorkerMainTemplate.runtime.js b/node_modules/webpack/lib/webworker/WebWorkerMainTemplate.runtime.js
new file mode 100644
index 00000000..aa240b22
--- /dev/null
+++ b/node_modules/webpack/lib/webworker/WebWorkerMainTemplate.runtime.js
@@ -0,0 +1,73 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+// eslint-disable-next-line no-unused-vars
+var hotAddUpdateChunk = undefined;
+var parentHotUpdateCallback = undefined;
+var $require$ = undefined;
+var $hotChunkFilename$ = undefined;
+var $hotMainFilename$ = undefined;
+var installedChunks = undefined;
+var importScripts = undefined;
+
+module.exports = function() {
+	// eslint-disable-next-line no-unused-vars
+	function webpackHotUpdateCallback(chunkId, moreModules) {
+		hotAddUpdateChunk(chunkId, moreModules);
+		if (parentHotUpdateCallback) parentHotUpdateCallback(chunkId, moreModules);
+	} //$semicolon
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadUpdateChunk(chunkId) {
+		importScripts($require$.p + $hotChunkFilename$);
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	function hotDownloadManifest(requestTimeout) {
+		requestTimeout = requestTimeout || 10000;
+		return new Promise(function(resolve, reject) {
+			if (typeof XMLHttpRequest === "undefined") {
+				return reject(new Error("No browser support"));
+			}
+			try {
+				var request = new XMLHttpRequest();
+				var requestPath = $require$.p + $hotMainFilename$;
+				request.open("GET", requestPath, true);
+				request.timeout = requestTimeout;
+				request.send(null);
+			} catch (err) {
+				return reject(err);
+			}
+			request.onreadystatechange = function() {
+				if (request.readyState !== 4) return;
+				if (request.status === 0) {
+					// timeout
+					reject(
+						new Error("Manifest request to " + requestPath + " timed out.")
+					);
+				} else if (request.status === 404) {
+					// no update available
+					resolve();
+				} else if (request.status !== 200 && request.status !== 304) {
+					// other failure
+					reject(new Error("Manifest request to " + requestPath + " failed."));
+				} else {
+					// success
+					try {
+						var update = JSON.parse(request.responseText);
+					} catch (e) {
+						reject(e);
+						return;
+					}
+					resolve(update);
+				}
+			};
+		});
+	}
+
+	//eslint-disable-next-line no-unused-vars
+	function hotDisposeChunk(chunkId) {
+		delete installedChunks[chunkId];
+	}
+};
diff --git a/node_modules/webpack/lib/webworker/WebWorkerMainTemplatePlugin.js b/node_modules/webpack/lib/webworker/WebWorkerMainTemplatePlugin.js
new file mode 100644
index 00000000..0cc84c60
--- /dev/null
+++ b/node_modules/webpack/lib/webworker/WebWorkerMainTemplatePlugin.js
@@ -0,0 +1,192 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+
+class WebWorkerMainTemplatePlugin {
+	apply(mainTemplate) {
+		const needChunkOnDemandLoadingCode = chunk => {
+			for (const chunkGroup of chunk.groupsIterable) {
+				if (chunkGroup.getNumberOfChildren() > 0) return true;
+			}
+			return false;
+		};
+		mainTemplate.hooks.localVars.tap(
+			"WebWorkerMainTemplatePlugin",
+			(source, chunk) => {
+				if (needChunkOnDemandLoadingCode(chunk)) {
+					return Template.asString([
+						source,
+						"",
+						"// object to store loaded chunks",
+						'// "1" means "already loaded"',
+						"var installedChunks = {",
+						Template.indent(
+							chunk.ids.map(id => `${JSON.stringify(id)}: 1`).join(",\n")
+						),
+						"};"
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.requireEnsure.tap(
+			"WebWorkerMainTemplatePlugin",
+			(_, chunk, hash) => {
+				const chunkFilename = mainTemplate.outputOptions.chunkFilename;
+				const chunkMaps = chunk.getChunkMaps();
+				return Template.asString([
+					"promises.push(Promise.resolve().then(function() {",
+					Template.indent([
+						'// "1" is the signal for "already loaded"',
+						"if(!installedChunks[chunkId]) {",
+						Template.indent([
+							"importScripts(" +
+								"__webpack_require__.p + " +
+								mainTemplate.getAssetPath(JSON.stringify(chunkFilename), {
+									hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+									hashWithLength: length =>
+										`" + ${mainTemplate.renderCurrentHashCode(
+											hash,
+											length
+										)} + "`,
+									chunk: {
+										id: '" + chunkId + "',
+										hash: `" + ${JSON.stringify(chunkMaps.hash)}[chunkId] + "`,
+										hashWithLength(length) {
+											const shortChunkHashMap = Object.create(null);
+											for (const chunkId of Object.keys(chunkMaps.hash)) {
+												if (typeof chunkMaps.hash[chunkId] === "string") {
+													shortChunkHashMap[chunkId] = chunkMaps.hash[
+														chunkId
+													].substr(0, length);
+												}
+											}
+											return `" + ${JSON.stringify(
+												shortChunkHashMap
+											)}[chunkId] + "`;
+										},
+										contentHash: {
+											javascript: `" + ${JSON.stringify(
+												chunkMaps.contentHash.javascript
+											)}[chunkId] + "`
+										},
+										contentHashWithLength: {
+											javascript: length => {
+												const shortContentHashMap = {};
+												const contentHash = chunkMaps.contentHash.javascript;
+												for (const chunkId of Object.keys(contentHash)) {
+													if (typeof contentHash[chunkId] === "string") {
+														shortContentHashMap[chunkId] = contentHash[
+															chunkId
+														].substr(0, length);
+													}
+												}
+												return `" + ${JSON.stringify(
+													shortContentHashMap
+												)}[chunkId] + "`;
+											}
+										},
+										name: `" + (${JSON.stringify(
+											chunkMaps.name
+										)}[chunkId]||chunkId) + "`
+									},
+									contentHashType: "javascript"
+								}) +
+								");"
+						]),
+						"}"
+					]),
+					"}));"
+				]);
+			}
+		);
+		mainTemplate.hooks.bootstrap.tap(
+			"WebWorkerMainTemplatePlugin",
+			(source, chunk, hash) => {
+				if (needChunkOnDemandLoadingCode(chunk)) {
+					const chunkCallbackName =
+						mainTemplate.outputOptions.chunkCallbackName;
+					const globalObject = mainTemplate.outputOptions.globalObject;
+					return Template.asString([
+						source,
+						`${globalObject}[${JSON.stringify(
+							chunkCallbackName
+						)}] = function webpackChunkCallback(chunkIds, moreModules) {`,
+						Template.indent([
+							"for(var moduleId in moreModules) {",
+							Template.indent(
+								mainTemplate.renderAddModule(
+									hash,
+									chunk,
+									"moduleId",
+									"moreModules[moduleId]"
+								)
+							),
+							"}",
+							"while(chunkIds.length)",
+							Template.indent("installedChunks[chunkIds.pop()] = 1;")
+						]),
+						"};"
+					]);
+				}
+				return source;
+			}
+		);
+		mainTemplate.hooks.hotBootstrap.tap(
+			"WebWorkerMainTemplatePlugin",
+			(source, chunk, hash) => {
+				const hotUpdateChunkFilename =
+					mainTemplate.outputOptions.hotUpdateChunkFilename;
+				const hotUpdateMainFilename =
+					mainTemplate.outputOptions.hotUpdateMainFilename;
+				const hotUpdateFunction = mainTemplate.outputOptions.hotUpdateFunction;
+				const globalObject = mainTemplate.outputOptions.globalObject;
+				const currentHotUpdateChunkFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateChunkFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
+						chunk: {
+							id: '" + chunkId + "'
+						}
+					}
+				);
+				const currentHotUpdateMainFilename = mainTemplate.getAssetPath(
+					JSON.stringify(hotUpdateMainFilename),
+					{
+						hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
+						hashWithLength: length =>
+							`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`
+					}
+				);
+
+				return (
+					source +
+					"\n" +
+					`var parentHotUpdateCallback = ${globalObject}[${JSON.stringify(
+						hotUpdateFunction
+					)}];\n` +
+					`${globalObject}[${JSON.stringify(hotUpdateFunction)}] = ` +
+					Template.getFunctionContent(
+						require("./WebWorkerMainTemplate.runtime")
+					)
+						.replace(/\/\/\$semicolon/g, ";")
+						.replace(/\$require\$/g, mainTemplate.requireFn)
+						.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
+						.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
+						.replace(/\$hash\$/g, JSON.stringify(hash))
+				);
+			}
+		);
+		mainTemplate.hooks.hash.tap("WebWorkerMainTemplatePlugin", hash => {
+			hash.update("webworker");
+			hash.update("4");
+		});
+	}
+}
+module.exports = WebWorkerMainTemplatePlugin;
diff --git a/node_modules/webpack/lib/webworker/WebWorkerTemplatePlugin.js b/node_modules/webpack/lib/webworker/WebWorkerTemplatePlugin.js
new file mode 100644
index 00000000..5ad89f37
--- /dev/null
+++ b/node_modules/webpack/lib/webworker/WebWorkerTemplatePlugin.js
@@ -0,0 +1,25 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebWorkerMainTemplatePlugin = require("./WebWorkerMainTemplatePlugin");
+const WebWorkerChunkTemplatePlugin = require("./WebWorkerChunkTemplatePlugin");
+const WebWorkerHotUpdateChunkTemplatePlugin = require("./WebWorkerHotUpdateChunkTemplatePlugin");
+
+class WebWorkerTemplatePlugin {
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"WebWorkerTemplatePlugin",
+			compilation => {
+				new WebWorkerMainTemplatePlugin().apply(compilation.mainTemplate);
+				new WebWorkerChunkTemplatePlugin().apply(compilation.chunkTemplate);
+				new WebWorkerHotUpdateChunkTemplatePlugin().apply(
+					compilation.hotUpdateChunkTemplate
+				);
+			}
+		);
+	}
+}
+module.exports = WebWorkerTemplatePlugin;
diff --git a/node_modules/webpack/node_modules/schema-utils/CHANGELOG.md b/node_modules/webpack/node_modules/schema-utils/CHANGELOG.md
new file mode 100644
index 00000000..a5f2834c
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/CHANGELOG.md
@@ -0,0 +1,134 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="1.0.0"></a>
+# [1.0.0](https://github.com/webpack-contrib/schema-utils/compare/v0.4.7...v1.0.0) (2018-08-07)
+
+
+### Features
+
+* **src:** add support for custom error messages ([#33](https://github.com/webpack-contrib/schema-utils/issues/33)) ([1cbe4ef](https://github.com/webpack-contrib/schema-utils/commit/1cbe4ef))
+
+
+
+<a name="0.4.7"></a>
+## [0.4.7](https://github.com/webpack-contrib/schema-utils/compare/v0.4.6...v0.4.7) (2018-08-07)
+
+
+### Bug Fixes
+
+* **src:** `node >= v4.0.0` support ([#32](https://github.com/webpack-contrib/schema-utils/issues/32)) ([cb13dd4](https://github.com/webpack-contrib/schema-utils/commit/cb13dd4))
+
+
+
+<a name="0.4.6"></a>
+## [0.4.6](https://github.com/webpack-contrib/schema-utils/compare/v0.4.5...v0.4.6) (2018-08-06)
+
+
+### Bug Fixes
+
+* **package:** remove lockfile ([#28](https://github.com/webpack-contrib/schema-utils/issues/28)) ([69f1a81](https://github.com/webpack-contrib/schema-utils/commit/69f1a81))
+* **package:** remove unnecessary `webpack` dependency ([#26](https://github.com/webpack-contrib/schema-utils/issues/26)) ([532eaa5](https://github.com/webpack-contrib/schema-utils/commit/532eaa5))
+
+
+
+<a name="0.4.5"></a>
+## [0.4.5](https://github.com/webpack-contrib/schema-utils/compare/v0.4.4...v0.4.5) (2018-02-13)
+
+
+### Bug Fixes
+
+* **CHANGELOG:** update broken links ([4483b9f](https://github.com/webpack-contrib/schema-utils/commit/4483b9f))
+* **package:** update broken links ([f2494ba](https://github.com/webpack-contrib/schema-utils/commit/f2494ba))
+
+
+
+<a name="0.4.4"></a>
+## [0.4.4](https://github.com/webpack-contrib/schema-utils/compare/v0.4.3...v0.4.4) (2018-02-13)
+
+
+### Bug Fixes
+
+* **package:** update `dependencies` ([#22](https://github.com/webpack-contrib/schema-utils/issues/22)) ([3aecac6](https://github.com/webpack-contrib/schema-utils/commit/3aecac6))
+
+
+
+<a name="0.4.3"></a>
+## [0.4.3](https://github.com/webpack-contrib/schema-utils/compare/v0.4.2...v0.4.3) (2017-12-14)
+
+
+### Bug Fixes
+
+* **validateOptions:** throw `err` instead of `process.exit(1)` ([#17](https://github.com/webpack-contrib/schema-utils/issues/17)) ([c595eda](https://github.com/webpack-contrib/schema-utils/commit/c595eda))
+* **ValidationError:** never return `this` in the ctor ([#16](https://github.com/webpack-contrib/schema-utils/issues/16)) ([c723791](https://github.com/webpack-contrib/schema-utils/commit/c723791))
+
+
+
+<a name="0.4.2"></a>
+## [0.4.2](https://github.com/webpack-contrib/schema-utils/compare/v0.4.1...v0.4.2) (2017-11-09)
+
+
+### Bug Fixes
+
+* **validateOptions:** catch `ValidationError` and handle it internally ([#15](https://github.com/webpack-contrib/schema-utils/issues/15)) ([9c5ef5e](https://github.com/webpack-contrib/schema-utils/commit/9c5ef5e))
+
+
+
+<a name="0.4.1"></a>
+## [0.4.1](https://github.com/webpack-contrib/schema-utils/compare/v0.4.0...v0.4.1) (2017-11-03)
+
+
+### Bug Fixes
+
+* **ValidationError:** use `Error.captureStackTrace` for `err.stack` handling ([#14](https://github.com/webpack-contrib/schema-utils/issues/14)) ([a6fb974](https://github.com/webpack-contrib/schema-utils/commit/a6fb974))
+
+
+
+<a name="0.4.0"></a>
+# [0.4.0](https://github.com/webpack-contrib/schema-utils/compare/v0.3.0...v0.4.0) (2017-10-28)
+
+
+### Features
+
+* add support for `typeof`, `instanceof` (`{Function\|RegExp}`) ([#10](https://github.com/webpack-contrib/schema-utils/issues/10)) ([9f01816](https://github.com/webpack-contrib/schema-utils/commit/9f01816))
+
+
+
+<a name="0.3.0"></a>
+# [0.3.0](https://github.com/webpack-contrib/schema-utils/compare/v0.2.1...v0.3.0) (2017-04-29)
+
+
+### Features
+
+* add ValidationError ([#8](https://github.com/webpack-contrib/schema-utils/issues/8)) ([d48f0fb](https://github.com/webpack-contrib/schema-utils/commit/d48f0fb))
+
+
+
+<a name="0.2.1"></a>
+## [0.2.1](https://github.com/webpack-contrib/schema-utils/compare/v0.2.0...v0.2.1) (2017-03-13)
+
+
+### Bug Fixes
+
+* Include .babelrc to `files` ([28f0363](https://github.com/webpack-contrib/schema-utils/commit/28f0363))
+* Include source to `files` ([43b0f2f](https://github.com/webpack-contrib/schema-utils/commit/43b0f2f))
+
+
+
+<a name="0.2.0"></a>
+# [0.2.0](https://github.com/webpack-contrib/schema-utils/compare/v0.1.0...v0.2.0) (2017-03-12)
+
+<a name="0.1.0"></a>
+# 0.1.0 (2017-03-07)
+
+
+### Features
+
+* **validations:** add validateOptions module ([ae9b47b](https://github.com/webpack-contrib/schema-utils/commit/ae9b47b))
+
+
+
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
diff --git a/node_modules/webpack/node_modules/schema-utils/LICENSE b/node_modules/webpack/node_modules/schema-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/webpack/node_modules/schema-utils/README.md b/node_modules/webpack/node_modules/schema-utils/README.md
new file mode 100644
index 00000000..7b75d549
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/README.md
@@ -0,0 +1,149 @@
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![test][test]][test-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+
+<div align="center">
+  <a href="http://json-schema.org">
+    <img width="160" height="160"
+      src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/docs/logo.png">
+  </a>
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+  <h1>Schema Utils</h1>
+</div>
+
+<h2 align="center">Install</h2>
+
+```bash
+npm i schema-utils
+```
+
+<h2 align="center">Usage</h2>
+
+### `validateOptions`
+
+**`schema.json`**
+```js
+{
+  "type": "object",
+  "properties": {
+    // Options...
+  },
+  "additionalProperties": false
+}
+```
+
+#### Error Messages (Custom)
+
+**`schema.json`**
+```js
+{
+  "type": "object",
+  "properties": {
+    "option": {
+      "type": [ "boolean" ]
+    }
+  },
+  // Overrides the default err.message for option
+  "errorMessage": {
+    "option": "should be {Boolean} (https:/github.com/org/repo#anchor)"
+  }
+  "additionalProperties": false
+}
+```
+
+```js
+import schema from 'path/to/schema.json'
+import validateOptions from 'schema-utils'
+
+validateOptions(schema, options, 'Loader/Plugin Name')
+```
+
+<h2 align="center">Examples</h2>
+
+**schema.json**
+```json
+{
+  "type": "object",
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "test": {
+      "anyOf": [
+        { "type": "array" },
+        { "type": "string" },
+        { "instanceof": "RegExp" }
+      ]
+    },
+    "transform": {
+      "instanceof": "Function"
+    },
+    "sourceMap": {
+      "type": "boolean"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+### `Loader`
+
+```js
+import { getOptions } from 'loader-utils'
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+function loader (src, map) {
+  const options = getOptions(this) || {}
+
+  validateOptions(schema, options, 'Loader Name')
+
+  // Code...
+}
+```
+
+### `Plugin`
+
+```js
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+class Plugin {
+  constructor (options) {
+    validateOptions(schema, options, 'Plugin Name')
+
+    this.options = options
+  }
+
+  apply (compiler) {
+    // Code...
+  }
+}
+```
+
+
+[npm]: https://img.shields.io/npm/v/schema-utils.svg
+[npm-url]: https://npmjs.com/package/schema-utils
+
+[node]: https://img.shields.io/node/v/schema-utils.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://david-dm.org/webpack-contrib/schema-utils.svg
+[deps-url]: https://david-dm.org/webpack-contrib/schema-utils
+
+[test]: http://img.shields.io/travis/webpack-contrib/schema-utils.svg
+[test-url]: https://travis-ci.org/webpack-contrib/schema-utils
+
+[cover]: https://codecov.io/gh/webpack-contrib/schema-utils/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/schema-utils
+
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
diff --git a/node_modules/webpack/node_modules/schema-utils/package.json b/node_modules/webpack/node_modules/schema-utils/package.json
new file mode 100644
index 00000000..621da697
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "schema-utils",
+  "version": "1.0.0",
+  "description": "webpack Validation Utils",
+  "main": "src/index.js",
+  "files": [
+    "src"
+  ],
+  "engines": {
+    "node": ">= 4"
+  },
+  "scripts": {
+    "lint": "eslint --cache src test",
+    "test": "jest --env node --verbose --coverage",
+    "clean": "del-cli coverage",
+    "commits": "commitlint --from $(git rev-list --tags --max-count=1)",
+    "release": "npm run commits && standard-version"
+  },
+  "dependencies": {
+    "ajv": "^6.1.0",
+    "ajv-errors": "^1.0.0",
+    "ajv-keywords": "^3.1.0"
+  },
+  "devDependencies": {
+    "@commitlint/cli": "^7.0.0",
+    "@commitlint/config-conventional": "^7.0.0",
+    "@webpack-contrib/eslint-config-webpack": "^2.0.0",
+    "del-cli": "^1.0.0",
+    "eslint": "^5.0.0",
+    "eslint-plugin-import": "^2.0.0",
+    "eslint-plugin-prettier": "^2.0.0",
+    "jest": "^21.0.0",
+    "prettier": "^1.0.0",
+    "standard-version": "^4.0.0"
+  },
+  "author": "webpack Contrib (https://github.com/webpack-contrib)",
+  "bugs": "https://github.com/webpack-contrib/schema-utils/issues",
+  "homepage": "https://github.com/webpack-contrib/schema-utils",
+  "repository": "https://github.com/webpack-contrib/schema-utils",
+  "license": "MIT"
+}
diff --git a/node_modules/webpack/node_modules/schema-utils/src/ValidationError.js b/node_modules/webpack/node_modules/schema-utils/src/ValidationError.js
new file mode 100644
index 00000000..0589bf85
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/src/ValidationError.js
@@ -0,0 +1,30 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+class ValidationError extends Error {
+  constructor(errors, name) {
+    super();
+
+    this.name = 'ValidationError';
+
+    this.message = `${name || ''} Invalid Options\n\n`;
+
+    this.errors = errors.map((err) => {
+      err.dataPath = err.dataPath.replace(/\//g, '.');
+
+      return err;
+    });
+
+    this.errors.forEach((err) => {
+      this.message += `options${err.dataPath} ${err.message}\n`;
+    });
+
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+
+module.exports = ValidationError;
diff --git a/node_modules/webpack/node_modules/schema-utils/src/index.js b/node_modules/webpack/node_modules/schema-utils/src/index.js
new file mode 100644
index 00000000..13108c21
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/src/index.js
@@ -0,0 +1,9 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+const validateOptions = require('./validateOptions');
+
+module.exports = validateOptions;
diff --git a/node_modules/webpack/node_modules/schema-utils/src/validateOptions.js b/node_modules/webpack/node_modules/schema-utils/src/validateOptions.js
new file mode 100644
index 00000000..363af447
--- /dev/null
+++ b/node_modules/webpack/node_modules/schema-utils/src/validateOptions.js
@@ -0,0 +1,38 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const Ajv = require('ajv');
+const errors = require('ajv-errors');
+const keywords = require('ajv-keywords');
+
+const ValidationError = require('./ValidationError');
+
+const ajv = new Ajv({
+  allErrors: true,
+  jsonPointers: true,
+});
+
+errors(ajv);
+keywords(ajv, ['instanceof', 'typeof']);
+
+const validateOptions = (schema, options, name) => {
+  if (typeof schema === 'string') {
+    schema = fs.readFileSync(path.resolve(schema), 'utf8');
+    schema = JSON.parse(schema);
+  }
+
+  if (!ajv.validate(schema, options)) {
+    throw new ValidationError(ajv.errors, name);
+  }
+
+  return true;
+};
+
+module.exports = validateOptions;
diff --git a/node_modules/webpack/package.json b/node_modules/webpack/package.json
new file mode 100644
index 00000000..cfecabff
--- /dev/null
+++ b/node_modules/webpack/package.json
@@ -0,0 +1,211 @@
+{
+  "name": "webpack",
+  "version": "4.47.0",
+  "author": "Tobias Koppers @sokra",
+  "description": "Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.9.0",
+    "@webassemblyjs/helper-module-context": "1.9.0",
+    "@webassemblyjs/wasm-edit": "1.9.0",
+    "@webassemblyjs/wasm-parser": "1.9.0",
+    "acorn": "^6.4.1",
+    "ajv": "^6.10.2",
+    "ajv-keywords": "^3.4.1",
+    "chrome-trace-event": "^1.0.2",
+    "enhanced-resolve": "^4.5.0",
+    "eslint-scope": "^4.0.3",
+    "json-parse-better-errors": "^1.0.2",
+    "loader-runner": "^2.4.0",
+    "loader-utils": "^1.2.3",
+    "memory-fs": "^0.4.1",
+    "micromatch": "^3.1.10",
+    "mkdirp": "^0.5.3",
+    "neo-async": "^2.6.1",
+    "node-libs-browser": "^2.2.1",
+    "schema-utils": "^1.0.0",
+    "tapable": "^1.1.3",
+    "terser-webpack-plugin": "^1.4.3",
+    "watchpack": "^1.7.4",
+    "webpack-sources": "^1.4.1"
+  },
+  "peerDependenciesMeta": {
+    "webpack-cli": {
+      "optional": true
+    },
+    "webpack-command": {
+      "optional": true
+    }
+  },
+  "devDependencies": {
+    "@babel/core": "^7.7.2",
+    "@types/node": "^10.12.21",
+    "@types/tapable": "^1.0.1",
+    "@types/webpack-sources": "^0.1.4",
+    "@yarnpkg/lockfile": "^1.1.0",
+    "babel-loader": "^8.0.6",
+    "benchmark": "^2.1.1",
+    "bundle-loader": "~0.5.0",
+    "coffee-loader": "^0.9.0",
+    "coffeescript": "^2.3.2",
+    "coveralls": "^3.0.2",
+    "css-loader": "^2.1.0",
+    "es6-promise-polyfill": "^1.1.1",
+    "eslint": "^5.8.0",
+    "eslint-config-prettier": "^4.0.0",
+    "eslint-plugin-jest": "^22.2.2",
+    "eslint-plugin-jsdoc": "^15.3.2",
+    "eslint-plugin-node": "^8.0.0",
+    "eslint-plugin-prettier": "^3.0.0",
+    "express": "~4.16.4",
+    "file-loader": "^3.0.1",
+    "glob": "^7.1.3",
+    "husky": "^1.1.3",
+    "i18n-webpack-plugin": "^1.0.0",
+    "istanbul": "^0.4.5",
+    "jest": "^24.9.0",
+    "jest-junit": "^8.0.0",
+    "json-loader": "^0.5.7",
+    "json-schema-to-typescript": "^6.0.1",
+    "less": "^3.9.0",
+    "less-loader": "^4.0.3",
+    "lint-staged": "^8.0.4",
+    "lodash": "^4.17.4",
+    "prettier": "^1.14.3",
+    "pug": "^2.0.4",
+    "pug-loader": "^2.4.0",
+    "raw-loader": "^1.0.0",
+    "react": "^16.8.0",
+    "react-dom": "^16.8.0",
+    "rimraf": "^2.6.2",
+    "script-loader": "~0.7.0",
+    "simple-git": "^1.65.0",
+    "strip-ansi": "^5.2.0",
+    "style-loader": "^0.23.1",
+    "typescript": "^3.0.0-rc",
+    "url-loader": "^1.1.2",
+    "val-loader": "^1.0.2",
+    "vm-browserify": "~1.1.0",
+    "wast-loader": "^1.5.5",
+    "webpack-dev-middleware": "^3.5.1",
+    "webassembly-feature": "1.3.0",
+    "worker-loader": "^2.0.0",
+    "xxhashjs": "^0.2.1"
+  },
+  "engines": {
+    "node": ">=6.11.5"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webpack/webpack.git"
+  },
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/webpack"
+  },
+  "homepage": "https://github.com/webpack/webpack",
+  "main": "lib/webpack.js",
+  "web": "lib/webpack.web.js",
+  "bin": "./bin/webpack.js",
+  "files": [
+    "lib/",
+    "bin/",
+    "buildin/",
+    "declarations/",
+    "hot/",
+    "web_modules/",
+    "schemas/",
+    "SECURITY.md"
+  ],
+  "scripts": {
+    "setup": "node ./setup/setup.js",
+    "test": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest",
+    "test:update-snapshots": "yarn jest -u",
+    "test:integration": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.test.js\"",
+    "test:basic": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/te{st/TestCasesNormal,st/StatsTestCases,st/ConfigTestCases}.test.js\"",
+    "test:unit": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.unittest.js\"",
+    "travis:integration": "yarn cover:integration --ci $JEST",
+    "travis:basic": "yarn cover:basic --ci $JEST",
+    "travis:lintunit": "yarn lint && yarn cover:unit --ci $JEST",
+    "travis:benchmark": "yarn benchmark --ci",
+    "appveyor:integration": "yarn cover:integration --ci %JEST%",
+    "appveyor:unit": "yarn cover:unit --ci %JEST%",
+    "appveyor:benchmark": "yarn benchmark --ci",
+    "build:examples": "cd examples && node buildAll.js",
+    "pretest": "yarn lint",
+    "prelint": "yarn setup",
+    "lint": "yarn code-lint && yarn jest-lint && yarn type-lint && yarn special-lint",
+    "code-lint": "eslint . --ext '.js' --cache",
+    "type-lint": "tsc --pretty",
+    "special-lint": "node tooling/inherit-types && node tooling/format-schemas && node tooling/compile-to-definitions",
+    "special-lint-fix": "node tooling/inherit-types --write --override && node tooling/format-schemas --write && node tooling/compile-to-definitions --write",
+    "fix": "yarn code-lint --fix && yarn special-lint-fix",
+    "pretty": "prettier --loglevel warn --write \"*.{ts,js,json,yml,yaml}\" \"{setup,lib,bin,hot,buildin,benchmark,tooling,schemas}/**/*.{js,json}\" \"test/*.js\" \"test/helpers/*.js\" \"test/{configCases,watchCases,statsCases,hotCases}/**/webpack.config.js\" \"examples/**/webpack.config.js\"",
+    "jest-lint": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.lint.js\" --no-verbose",
+    "benchmark": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.benchmark.js\" --runInBand",
+    "cover": "yarn cover:all && yarn cover:report",
+    "cover:all": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --coverage",
+    "cover:basic": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/te{st/TestCasesNormal,st/StatsTestCases,st/ConfigTestCases}.test.js\" --coverage",
+    "cover:integration": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.test.js\" --coverage",
+    "cover:unit": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch \"<rootDir>/test/*.unittest.js\" --coverage",
+    "cover:report": "istanbul report"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.js|{lib,setup,bin,hot,buildin,tooling,schemas}/**/*.js|test/*.js|{test,examples}/**/webpack.config.js}": [
+      "eslint --cache"
+    ]
+  },
+  "jest": {
+    "forceExit": true,
+    "setupFilesAfterEnv": [
+      "<rootDir>/test/setupTestFramework.js"
+    ],
+    "testMatch": [
+      "<rootDir>/test/*.test.js",
+      "<rootDir>/test/*.unittest.js"
+    ],
+    "watchPathIgnorePatterns": [
+      "<rootDir>/.git",
+      "<rootDir>/node_modules",
+      "<rootDir>/test/js",
+      "<rootDir>/test/browsertest/js",
+      "<rootDir>/test/fixtures/temp-cache-fixture",
+      "<rootDir>/test/fixtures/temp-",
+      "<rootDir>/benchmark",
+      "<rootDir>/examples/*/dist",
+      "<rootDir>/coverage",
+      "<rootDir>/.eslintcache"
+    ],
+    "modulePathIgnorePatterns": [
+      "<rootDir>/.git",
+      "<rootDir>/node_modules/webpack/node_modules",
+      "<rootDir>/test/js",
+      "<rootDir>/test/browsertest/js",
+      "<rootDir>/test/fixtures/temp-cache-fixture",
+      "<rootDir>/test/fixtures/temp-",
+      "<rootDir>/benchmark",
+      "<rootDir>/examples/*/dist",
+      "<rootDir>/coverage",
+      "<rootDir>/.eslintcache"
+    ],
+    "transformIgnorePatterns": [
+      "<rootDir>"
+    ],
+    "coverageDirectory": "<rootDir>/coverage",
+    "coveragePathIgnorePatterns": [
+      "\\.runtime\\.js$",
+      "<rootDir>/test",
+      "<rootDir>/schemas",
+      "<rootDir>/node_modules"
+    ],
+    "testEnvironment": "node",
+    "coverageReporters": [
+      "json"
+    ]
+  }
+}
diff --git a/node_modules/webpack/schemas/WebpackOptions.json b/node_modules/webpack/schemas/WebpackOptions.json
new file mode 100644
index 00000000..be320ef3
--- /dev/null
+++ b/node_modules/webpack/schemas/WebpackOptions.json
@@ -0,0 +1,2285 @@
+{
+  "definitions": {
+    "ArrayOfStringOrStringArrayValues": {
+      "type": "array",
+      "items": {
+        "description": "string or array of strings",
+        "anyOf": [
+          {
+            "type": "string",
+            "minLength": 1
+          },
+          {
+            "type": "array",
+            "items": {
+              "description": "A non-empty string",
+              "type": "string",
+              "minLength": 1
+            }
+          }
+        ]
+      }
+    },
+    "ArrayOfStringValues": {
+      "type": "array",
+      "items": {
+        "description": "A non-empty string",
+        "type": "string",
+        "minLength": 1
+      }
+    },
+    "Entry": {
+      "anyOf": [
+        {
+          "$ref": "#/definitions/EntryDynamic"
+        },
+        {
+          "$ref": "#/definitions/EntryStatic"
+        }
+      ]
+    },
+    "EntryDynamic": {
+      "description": "A Function returning an entry object, an entry string, an entry array or a promise to these things.",
+      "instanceof": "Function",
+      "tsType": "(() => EntryStatic | Promise<EntryStatic>)"
+    },
+    "EntryItem": {
+      "oneOf": [
+        {
+          "description": "An entry point without name. The string is resolved to a module which is loaded upon startup.",
+          "type": "string",
+          "minLength": 1
+        },
+        {
+          "description": "An entry point without name. All modules are loaded upon startup. The last one is exported.",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/NonEmptyArrayOfUniqueStringValues"
+            }
+          ]
+        }
+      ]
+    },
+    "EntryObject": {
+      "description": "Multiple entry bundles are created. The key is the chunk name. The value can be a string or an array.",
+      "type": "object",
+      "additionalProperties": {
+        "description": "An entry point with name",
+        "oneOf": [
+          {
+            "description": "The string is resolved to a module which is loaded upon startup.",
+            "type": "string",
+            "minLength": 1
+          },
+          {
+            "description": "All modules are loaded upon startup. The last one is exported.",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/NonEmptyArrayOfUniqueStringValues"
+              }
+            ]
+          }
+        ]
+      },
+      "minProperties": 1
+    },
+    "EntryStatic": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/EntryObject"
+        },
+        {
+          "$ref": "#/definitions/EntryItem"
+        }
+      ]
+    },
+    "ExternalItem": {
+      "anyOf": [
+        {
+          "description": "An exact matched dependency becomes external. The same string is used as external dependency.",
+          "type": "string"
+        },
+        {
+          "description": "If an dependency matches exactly a property of the object, the property value is used as dependency.",
+          "type": "object",
+          "additionalProperties": {
+            "description": "The dependency used for the external",
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "object"
+              },
+              {
+                "$ref": "#/definitions/ArrayOfStringValues"
+              },
+              {
+                "type": "boolean"
+              }
+            ]
+          }
+        },
+        {
+          "description": "Every matched dependency becomes external.",
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        }
+      ]
+    },
+    "Externals": {
+      "anyOf": [
+        {
+          "description": "`function(context, request, callback(err, result))` The function is called on each dependency.",
+          "instanceof": "Function",
+          "tsType": "((context: string, request: string, callback: (err?: Error, result?: string) => void) => void)"
+        },
+        {
+          "$ref": "#/definitions/ExternalItem"
+        },
+        {
+          "type": "array",
+          "items": {
+            "description": "External configuration",
+            "anyOf": [
+              {
+                "description": "`function(context, request, callback(err, result))` The function is called on each dependency.",
+                "instanceof": "Function",
+                "tsType": "((context: string, request: string, callback: (err?: Error, result?: string) => void) => void)"
+              },
+              {
+                "$ref": "#/definitions/ExternalItem"
+              }
+            ]
+          }
+        }
+      ]
+    },
+    "FilterItemTypes": {
+      "anyOf": [
+        {
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        {
+          "type": "string"
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "((value: string) => boolean)"
+        }
+      ]
+    },
+    "FilterTypes": {
+      "anyOf": [
+        {
+          "$ref": "#/definitions/FilterItemTypes"
+        },
+        {
+          "type": "array",
+          "items": {
+            "description": "Rule to filter",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/FilterItemTypes"
+              }
+            ]
+          }
+        }
+      ]
+    },
+    "LibraryCustomUmdObject": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "amd": {
+          "description": "Name of the exposed AMD library in the UMD",
+          "type": "string"
+        },
+        "commonjs": {
+          "description": "Name of the exposed commonjs export in the UMD",
+          "type": "string"
+        },
+        "root": {
+          "description": "Name of the property exposed globally by a UMD library",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        }
+      }
+    },
+    "ModuleOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "defaultRules": {
+          "description": "An array of rules applied by default for modules.",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetRules"
+            }
+          ]
+        },
+        "exprContextCritical": {
+          "description": "Enable warnings for full dynamic dependencies",
+          "type": "boolean"
+        },
+        "exprContextRecursive": {
+          "description": "Enable recursive directory lookup for full dynamic dependencies",
+          "type": "boolean"
+        },
+        "exprContextRegExp": {
+          "description": "Sets the default regular expression for full dynamic dependencies",
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "instanceof": "RegExp",
+              "tsType": "RegExp"
+            }
+          ]
+        },
+        "exprContextRequest": {
+          "description": "Set the default request for full dynamic dependencies",
+          "type": "string"
+        },
+        "noParse": {
+          "description": "Don't parse files matching. It's matched against the full resolved request.",
+          "anyOf": [
+            {
+              "type": "array",
+              "items": {
+                "description": "A regular expression, when matched the module is not parsed",
+                "instanceof": "RegExp",
+                "tsType": "RegExp"
+              },
+              "minItems": 1
+            },
+            {
+              "instanceof": "RegExp",
+              "tsType": "RegExp"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            },
+            {
+              "type": "array",
+              "items": {
+                "description": "An absolute path, when the module starts with this path it is not parsed",
+                "type": "string",
+                "absolutePath": true
+              },
+              "minItems": 1
+            },
+            {
+              "type": "string",
+              "absolutePath": true
+            }
+          ]
+        },
+        "rules": {
+          "description": "An array of rules applied for modules.",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetRules"
+            }
+          ]
+        },
+        "strictExportPresence": {
+          "description": "Emit errors instead of warnings when imported names don't exist in imported module",
+          "type": "boolean"
+        },
+        "strictThisContextOnImports": {
+          "description": "Handle the this context correctly according to the spec for namespace objects",
+          "type": "boolean"
+        },
+        "unknownContextCritical": {
+          "description": "Enable warnings when using the require function in a not statically analyse-able way",
+          "type": "boolean"
+        },
+        "unknownContextRecursive": {
+          "description": "Enable recursive directory lookup when using the require function in a not statically analyse-able way",
+          "type": "boolean"
+        },
+        "unknownContextRegExp": {
+          "description": "Sets the regular expression when using the require function in a not statically analyse-able way",
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "instanceof": "RegExp",
+              "tsType": "RegExp"
+            }
+          ]
+        },
+        "unknownContextRequest": {
+          "description": "Sets the request when using the require function in a not statically analyse-able way",
+          "type": "string"
+        },
+        "unsafeCache": {
+          "description": "Cache the resolving of module requests",
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "wrappedContextCritical": {
+          "description": "Enable warnings for partial dynamic dependencies",
+          "type": "boolean"
+        },
+        "wrappedContextRecursive": {
+          "description": "Enable recursive directory lookup for partial dynamic dependencies",
+          "type": "boolean"
+        },
+        "wrappedContextRegExp": {
+          "description": "Set the inner regular expression for partial dynamic dependencies",
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        }
+      }
+    },
+    "NodeOptions": {
+      "type": "object",
+      "additionalProperties": {
+        "description": "Include a polyfill for the node.js module",
+        "enum": [false, true, "mock", "empty"]
+      },
+      "properties": {
+        "Buffer": {
+          "description": "Include a polyfill for the 'Buffer' variable",
+          "enum": [false, true, "mock"]
+        },
+        "__dirname": {
+          "description": "Include a polyfill for the '__dirname' variable",
+          "enum": [false, true, "mock"]
+        },
+        "__filename": {
+          "description": "Include a polyfill for the '__filename' variable",
+          "enum": [false, true, "mock"]
+        },
+        "console": {
+          "description": "Include a polyfill for the 'console' variable",
+          "enum": [false, true, "mock"]
+        },
+        "global": {
+          "description": "Include a polyfill for the 'global' variable",
+          "type": "boolean"
+        },
+        "process": {
+          "description": "Include a polyfill for the 'process' variable",
+          "enum": [false, true, "mock"]
+        }
+      }
+    },
+    "NonEmptyArrayOfUniqueStringValues": {
+      "description": "A non-empty array of non-empty strings",
+      "type": "array",
+      "items": {
+        "description": "A non-empty string",
+        "type": "string",
+        "minLength": 1
+      },
+      "minItems": 1,
+      "uniqueItems": true
+    },
+    "OptimizationOptions": {
+      "description": "Enables/Disables integrated optimizations",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "checkWasmTypes": {
+          "description": "Check for incompatible wasm types when importing/exporting from/to ESM",
+          "type": "boolean"
+        },
+        "chunkIds": {
+          "description": "Define the algorithm to choose chunk ids (named: readable ids for better debugging, size: numeric ids focused on minimal initial download size, total-size: numeric ids focused on minimal total download size, false: no algorithm used, as custom one can be provided via plugin)",
+          "enum": ["natural", "named", "size", "total-size", false]
+        },
+        "concatenateModules": {
+          "description": "Concatenate modules when possible to generate less modules, more efficient code and enable more optimizations by the minimizer",
+          "type": "boolean"
+        },
+        "flagIncludedChunks": {
+          "description": "Also flag chunks as loaded which contain a subset of the modules",
+          "type": "boolean"
+        },
+        "hashedModuleIds": {
+          "description": "Use hashed module id instead module identifiers for better long term caching (deprecated, used moduleIds: hashed instead)",
+          "type": "boolean"
+        },
+        "mangleWasmImports": {
+          "description": "Reduce size of WASM by changing imports to shorter strings.",
+          "type": "boolean"
+        },
+        "mergeDuplicateChunks": {
+          "description": "Merge chunks which contain the same modules",
+          "type": "boolean"
+        },
+        "minimize": {
+          "description": "Enable minimizing the output. Uses optimization.minimizer.",
+          "type": "boolean"
+        },
+        "minimizer": {
+          "description": "Minimizer(s) to use for minimizing the output",
+          "type": "array",
+          "items": {
+            "description": "Plugin of type object or instanceof Function",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/WebpackPluginInstance"
+              },
+              {
+                "$ref": "#/definitions/WebpackPluginFunction"
+              }
+            ]
+          }
+        },
+        "moduleIds": {
+          "description": "Define the algorithm to choose module ids (natural: numeric ids in order of usage, named: readable ids for better debugging, hashed: short hashes as ids for better long term caching, size: numeric ids focused on minimal initial download size, total-size: numeric ids focused on minimal total download size, false: no algorithm used, as custom one can be provided via plugin)",
+          "enum": ["natural", "named", "hashed", "size", "total-size", false]
+        },
+        "namedChunks": {
+          "description": "Use readable chunk identifiers for better debugging (deprecated, used chunkIds: named instead)",
+          "type": "boolean"
+        },
+        "namedModules": {
+          "description": "Use readable module identifiers for better debugging (deprecated, used moduleIds: named instead)",
+          "type": "boolean"
+        },
+        "noEmitOnErrors": {
+          "description": "Avoid emitting assets when errors occur",
+          "type": "boolean"
+        },
+        "nodeEnv": {
+          "description": "Set process.env.NODE_ENV to a specific value",
+          "anyOf": [
+            {
+              "enum": [false]
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "occurrenceOrder": {
+          "description": "Figure out a order of modules which results in the smallest initial bundle",
+          "type": "boolean"
+        },
+        "portableRecords": {
+          "description": "Generate records with relative paths to be able to move the context folder",
+          "type": "boolean"
+        },
+        "providedExports": {
+          "description": "Figure out which exports are provided by modules to generate more efficient code",
+          "type": "boolean"
+        },
+        "removeAvailableModules": {
+          "description": "Removes modules from chunks when these modules are already included in all parents",
+          "type": "boolean"
+        },
+        "removeEmptyChunks": {
+          "description": "Remove chunks which are empty",
+          "type": "boolean"
+        },
+        "runtimeChunk": {
+          "description": "Create an additional chunk which contains only the webpack runtime and chunk hash maps",
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "enum": ["single", "multiple"]
+            },
+            {
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "name": {
+                  "description": "The name or name factory for the runtime chunks",
+                  "oneOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "instanceof": "Function",
+                      "tsType": "Function"
+                    }
+                  ]
+                }
+              }
+            }
+          ]
+        },
+        "sideEffects": {
+          "description": "Skip over modules which are flagged to contain no side effects when exports are not used",
+          "type": "boolean"
+        },
+        "splitChunks": {
+          "description": "Optimize duplication and caching by splitting chunks by shared modules and cache group",
+          "oneOf": [
+            {
+              "enum": [false]
+            },
+            {
+              "$ref": "#/definitions/OptimizationSplitChunksOptions"
+            }
+          ]
+        },
+        "usedExports": {
+          "description": "Figure out which exports are used by modules to mangle export names, omit unused exports and generate more efficient code",
+          "type": "boolean"
+        }
+      }
+    },
+    "OptimizationSplitChunksOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "automaticNameDelimiter": {
+          "description": "Sets the name delimiter for created chunks",
+          "type": "string",
+          "minLength": 1
+        },
+        "automaticNameMaxLength": {
+          "description": "Sets the max length for the name of a created chunk",
+          "type": "number",
+          "minimum": 1
+        },
+        "cacheGroups": {
+          "description": "Assign modules to a cache group (modules from different cache groups are tried to keep in separate chunks)",
+          "type": "object",
+          "additionalProperties": {
+            "description": "Configuration for a cache group",
+            "anyOf": [
+              {
+                "enum": [false]
+              },
+              {
+                "instanceof": "Function",
+                "tsType": "Function"
+              },
+              {
+                "type": "string"
+              },
+              {
+                "instanceof": "RegExp",
+                "tsType": "RegExp"
+              },
+              {
+                "type": "object",
+                "additionalProperties": false,
+                "properties": {
+                  "automaticNameDelimiter": {
+                    "description": "Sets the name delimiter for created chunks",
+                    "type": "string",
+                    "minLength": 1
+                  },
+                  "automaticNameMaxLength": {
+                    "description": "Sets the max length for the name of a created chunk",
+                    "type": "number",
+                    "minimum": 1
+                  },
+                  "automaticNamePrefix": {
+                    "description": "Sets the name prefix for created chunks",
+                    "type": "string"
+                  },
+                  "chunks": {
+                    "description": "Select chunks for determining cache group content (defaults to \"initial\", \"initial\" and \"all\" requires adding these chunks to the HTML)",
+                    "oneOf": [
+                      {
+                        "enum": ["initial", "async", "all"]
+                      },
+                      {
+                        "instanceof": "Function",
+                        "tsType": "Function"
+                      }
+                    ]
+                  },
+                  "enforce": {
+                    "description": "Ignore minimum size, minimum chunks and maximum requests and always create chunks for this cache group",
+                    "type": "boolean"
+                  },
+                  "enforceSizeThreshold": {
+                    "description": "Size threshold at which splitting is enforced and other restrictions (maxAsyncRequests, maxInitialRequests) are ignored.",
+                    "type": "number"
+                  },
+                  "filename": {
+                    "description": "Sets the template for the filename for created chunks (Only works for initial chunks)",
+                    "type": "string",
+                    "minLength": 1
+                  },
+                  "maxAsyncRequests": {
+                    "description": "Maximum number of requests which are accepted for on-demand loading",
+                    "type": "number",
+                    "minimum": 1
+                  },
+                  "maxInitialRequests": {
+                    "description": "Maximum number of initial chunks which are accepted for an entry point",
+                    "type": "number",
+                    "minimum": 1
+                  },
+                  "maxSize": {
+                    "description": "Maximal size hint for the created chunks",
+                    "type": "number",
+                    "minimum": 0
+                  },
+                  "minChunks": {
+                    "description": "Minimum number of times a module has to be duplicated until it's considered for splitting",
+                    "type": "number",
+                    "minimum": 1
+                  },
+                  "minSize": {
+                    "description": "Minimal size for the created chunk",
+                    "type": "number",
+                    "minimum": 0
+                  },
+                  "name": {
+                    "description": "Give chunks for this cache group a name (chunks with equal name are merged)",
+                    "oneOf": [
+                      {
+                        "type": "boolean"
+                      },
+                      {
+                        "instanceof": "Function",
+                        "tsType": "Function"
+                      },
+                      {
+                        "type": "string"
+                      }
+                    ]
+                  },
+                  "priority": {
+                    "description": "Priority of this cache group",
+                    "type": "number"
+                  },
+                  "reuseExistingChunk": {
+                    "description": "Try to reuse existing chunk (with name) when it has matching modules",
+                    "type": "boolean"
+                  },
+                  "test": {
+                    "description": "Assign modules to a cache group",
+                    "oneOf": [
+                      {
+                        "instanceof": "Function",
+                        "tsType": "Function"
+                      },
+                      {
+                        "type": "string"
+                      },
+                      {
+                        "instanceof": "RegExp",
+                        "tsType": "RegExp"
+                      }
+                    ]
+                  }
+                }
+              }
+            ]
+          },
+          "not": {
+            "description": "Using the cacheGroup shorthand syntax with a cache group named 'test' is a potential config error\nDid you intent to define a cache group with a test instead?\ncacheGroups: {\n  <name>: {\n    test: ...\n  }\n}",
+            "type": "object",
+            "additionalProperties": true,
+            "properties": {
+              "test": {
+                "description": "The test property is a cache group name, but using the test option of the cache group could be intended instead",
+                "anyOf": [
+                  {
+                    "instanceof": "Function",
+                    "tsType": "Function"
+                  },
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "instanceof": "RegExp",
+                    "tsType": "RegExp"
+                  }
+                ]
+              }
+            },
+            "required": ["test"]
+          }
+        },
+        "chunks": {
+          "description": "Select chunks for determining shared modules (defaults to \"async\", \"initial\" and \"all\" requires adding these chunks to the HTML)",
+          "oneOf": [
+            {
+              "enum": ["initial", "async", "all"]
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "enforceSizeThreshold": {
+          "description": "Size threshold at which splitting is enforced and other restrictions (maxAsyncRequests, maxInitialRequests) are ignored.",
+          "type": "number"
+        },
+        "fallbackCacheGroup": {
+          "description": "Options for modules not selected by any other cache group",
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "automaticNameDelimiter": {
+              "description": "Sets the name delimiter for created chunks",
+              "type": "string",
+              "minLength": 1
+            },
+            "maxSize": {
+              "description": "Maximal size hint for the created chunks",
+              "type": "number",
+              "minimum": 0
+            },
+            "minSize": {
+              "description": "Minimal size for the created chunk",
+              "type": "number",
+              "minimum": 0
+            }
+          }
+        },
+        "filename": {
+          "description": "Sets the template for the filename for created chunks (Only works for initial chunks)",
+          "type": "string",
+          "minLength": 1
+        },
+        "hidePathInfo": {
+          "description": "Prevents exposing path info when creating names for parts splitted by maxSize",
+          "type": "boolean"
+        },
+        "maxAsyncRequests": {
+          "description": "Maximum number of requests which are accepted for on-demand loading",
+          "type": "number",
+          "minimum": 1
+        },
+        "maxInitialRequests": {
+          "description": "Maximum number of initial chunks which are accepted for an entry point",
+          "type": "number",
+          "minimum": 1
+        },
+        "maxSize": {
+          "description": "Maximal size hint for the created chunks",
+          "type": "number",
+          "minimum": 0
+        },
+        "minChunks": {
+          "description": "Minimum number of times a module has to be duplicated until it's considered for splitting",
+          "type": "number",
+          "minimum": 1
+        },
+        "minSize": {
+          "description": "Minimal size for the created chunks",
+          "type": "number",
+          "minimum": 0
+        },
+        "name": {
+          "description": "Give chunks created a name (chunks with equal name are merged)",
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        }
+      }
+    },
+    "OutputOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "auxiliaryComment": {
+          "description": "Add a comment in the UMD wrapper.",
+          "anyOf": [
+            {
+              "description": "Append the same comment above each import style.",
+              "type": "string"
+            },
+            {
+              "description": "Set explicit comments for `commonjs`, `commonjs2`, `amd`, and `root`.",
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "amd": {
+                  "description": "Set comment for `amd` section in UMD",
+                  "type": "string"
+                },
+                "commonjs": {
+                  "description": "Set comment for `commonjs` (exports) section in UMD",
+                  "type": "string"
+                },
+                "commonjs2": {
+                  "description": "Set comment for `commonjs2` (module.exports) section in UMD",
+                  "type": "string"
+                },
+                "root": {
+                  "description": "Set comment for `root` (global variable) section in UMD",
+                  "type": "string"
+                }
+              }
+            }
+          ]
+        },
+        "chunkCallbackName": {
+          "description": "The callback function name used by webpack for loading of chunks in WebWorkers.",
+          "type": "string"
+        },
+        "chunkFilename": {
+          "description": "The filename of non-entry chunks as relative path inside the `output.path` directory.",
+          "type": "string",
+          "absolutePath": false
+        },
+        "chunkLoadTimeout": {
+          "description": "Number of milliseconds before chunk request expires",
+          "type": "number"
+        },
+        "crossOriginLoading": {
+          "description": "This option enables cross-origin loading of chunks.",
+          "enum": [false, "anonymous", "use-credentials"]
+        },
+        "devtoolFallbackModuleFilenameTemplate": {
+          "description": "Similar to `output.devtoolModuleFilenameTemplate`, but used in the case of duplicate module identifiers.",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "devtoolLineToLine": {
+          "description": "Enable line to line mapped mode for all/specified modules. Line to line mapped mode uses a simple SourceMap where each line of the generated source is mapped to the same line of the original source. It’s a performance optimization. Only use it if your performance need to be better and you are sure that input lines match which generated lines.",
+          "anyOf": [
+            {
+              "description": "`true` enables it for all modules (not recommended)",
+              "type": "boolean"
+            },
+            {
+              "description": "An object similar to `module.loaders` enables it for specific files.",
+              "type": "object"
+            }
+          ]
+        },
+        "devtoolModuleFilenameTemplate": {
+          "description": "Filename template string of function for the sources array in a generated SourceMap.",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "devtoolNamespace": {
+          "description": "Module namespace to use when interpolating filename template string for the sources array in a generated SourceMap. Defaults to `output.library` if not set. It's useful for avoiding runtime collisions in sourcemaps from multiple webpack projects built as libraries.",
+          "type": "string"
+        },
+        "filename": {
+          "description": "Specifies the name of each output file on disk. You must **not** specify an absolute path here! The `output.path` option determines the location on disk the files are written to, filename is used solely for naming the individual files.",
+          "anyOf": [
+            {
+              "type": "string",
+              "absolutePath": false
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "futureEmitAssets": {
+          "description": "Use the future version of asset emitting logic, which allows freeing memory of assets after emitting. It could break plugins which assume that assets are still readable after emitting. Will be the new default in the next major version.",
+          "type": "boolean"
+        },
+        "globalObject": {
+          "description": "An expression which is used to address the global object/scope in runtime code",
+          "type": "string",
+          "minLength": 1
+        },
+        "hashDigest": {
+          "description": "Digest type used for the hash",
+          "type": "string"
+        },
+        "hashDigestLength": {
+          "description": "Number of chars which are used for the hash",
+          "type": "number",
+          "minimum": 1
+        },
+        "hashFunction": {
+          "description": "Algorithm used for generation the hash (see node.js crypto package)",
+          "anyOf": [
+            {
+              "type": "string",
+              "minLength": 1
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "import('../lib/util/createHash').HashConstructor"
+            }
+          ]
+        },
+        "hashSalt": {
+          "description": "Any string which is added to the hash to salt it",
+          "type": "string",
+          "minLength": 1
+        },
+        "hotUpdateChunkFilename": {
+          "description": "The filename of the Hot Update Chunks. They are inside the output.path directory.",
+          "type": "string",
+          "absolutePath": false
+        },
+        "hotUpdateFunction": {
+          "description": "The JSONP function used by webpack for async loading of hot update chunks.",
+          "type": "string"
+        },
+        "hotUpdateMainFilename": {
+          "description": "The filename of the Hot Update Main File. It is inside the `output.path` directory.",
+          "anyOf": [
+            {
+              "type": "string",
+              "absolutePath": false
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "jsonpFunction": {
+          "description": "The JSONP function used by webpack for async loading of chunks.",
+          "type": "string"
+        },
+        "jsonpScriptType": {
+          "description": "This option enables loading async chunks via a custom script type, such as script type=\"module\"",
+          "enum": [false, "text/javascript", "module"]
+        },
+        "library": {
+          "description": "If set, export the bundle as library. `output.library` is the name.",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "array",
+              "items": {
+                "description": "A part of the library name",
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "#/definitions/LibraryCustomUmdObject"
+            }
+          ]
+        },
+        "libraryExport": {
+          "description": "Specify which export should be exposed as library",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "libraryTarget": {
+          "description": "Type of library",
+          "enum": [
+            "var",
+            "assign",
+            "this",
+            "window",
+            "self",
+            "global",
+            "commonjs",
+            "commonjs2",
+            "commonjs-module",
+            "amd",
+            "amd-require",
+            "umd",
+            "umd2",
+            "jsonp",
+            "system"
+          ]
+        },
+        "path": {
+          "description": "The output directory as **absolute path** (required).",
+          "type": "string",
+          "absolutePath": true
+        },
+        "pathinfo": {
+          "description": "Include comments with information about the modules.",
+          "type": "boolean"
+        },
+        "publicPath": {
+          "description": "The `publicPath` specifies the public URL address of the output files when referenced in a browser.",
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "instanceof": "Function",
+              "tsType": "Function"
+            }
+          ]
+        },
+        "sourceMapFilename": {
+          "description": "The filename of the SourceMaps for the JavaScript files. They are inside the `output.path` directory.",
+          "type": "string",
+          "absolutePath": false
+        },
+        "sourcePrefix": {
+          "description": "Prefixes every line of the source in the bundle with this string.",
+          "type": "string"
+        },
+        "strictModuleExceptionHandling": {
+          "description": "Handles exceptions in module loading correctly at a performance cost.",
+          "type": "boolean"
+        },
+        "umdNamedDefine": {
+          "description": "If `output.libraryTarget` is set to umd and `output.library` is set, setting this to true will name the AMD module.",
+          "type": "boolean"
+        },
+        "webassemblyModuleFilename": {
+          "description": "The filename of WebAssembly modules as relative path inside the `output.path` directory.",
+          "type": "string",
+          "absolutePath": false
+        }
+      }
+    },
+    "PerformanceOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "assetFilter": {
+          "description": "Filter function to select assets that are checked",
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        "hints": {
+          "description": "Sets the format of the hints: warnings, errors or nothing at all",
+          "enum": [false, "warning", "error"]
+        },
+        "maxAssetSize": {
+          "description": "Filesize limit (in bytes) when exceeded, that webpack will provide performance hints",
+          "type": "number"
+        },
+        "maxEntrypointSize": {
+          "description": "Total size of an entry point (in bytes)",
+          "type": "number"
+        }
+      }
+    },
+    "ResolveOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "alias": {
+          "description": "Redirect module requests",
+          "anyOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "description": "New request",
+                "type": "string"
+              }
+            },
+            {
+              "type": "array",
+              "items": {
+                "description": "Alias configuration",
+                "type": "object",
+                "additionalProperties": false,
+                "properties": {
+                  "alias": {
+                    "description": "New request",
+                    "type": "string"
+                  },
+                  "name": {
+                    "description": "Request to be redirected",
+                    "type": "string"
+                  },
+                  "onlyModule": {
+                    "description": "Redirect only exact matching request",
+                    "type": "boolean"
+                  }
+                }
+              }
+            }
+          ]
+        },
+        "aliasFields": {
+          "description": "Fields in the description file (package.json) which are used to redirect requests inside the module",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringOrStringArrayValues"
+            }
+          ]
+        },
+        "cachePredicate": {
+          "description": "Predicate function to decide which requests should be cached",
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        "cacheWithContext": {
+          "description": "Include the context information in the cache identifier when caching",
+          "type": "boolean"
+        },
+        "concord": {
+          "description": "Enable concord resolving extras",
+          "type": "boolean"
+        },
+        "descriptionFiles": {
+          "description": "Filenames used to find a description file",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "enforceExtension": {
+          "description": "Enforce using one of the extensions from the extensions option",
+          "type": "boolean"
+        },
+        "enforceModuleExtension": {
+          "description": "Enforce using one of the module extensions from the moduleExtensions option",
+          "type": "boolean"
+        },
+        "extensions": {
+          "description": "Extensions added to the request when trying to find the file",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "fileSystem": {
+          "description": "Filesystem for the resolver"
+        },
+        "ignoreRootsErrors": {
+          "description": "Enable to ignore fatal errors happening during resolving of 'resolve.roots'. Usually such errors should not happen, but this option is provided for backward-compatibility.",
+          "type": "boolean"
+        },
+        "mainFields": {
+          "description": "Field names from the description file (package.json) which are used to find the default entry point",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringOrStringArrayValues"
+            }
+          ]
+        },
+        "mainFiles": {
+          "description": "Filenames used to find the default entry point if there is no description file or main field",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "moduleExtensions": {
+          "description": "Extensions added to the module request when trying to find the module",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "modules": {
+          "description": "Folder names or directory paths where to find modules",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ArrayOfStringValues"
+            }
+          ]
+        },
+        "plugins": {
+          "description": "Plugins for the resolver",
+          "type": "array",
+          "items": {
+            "description": "Plugin of type object or instanceof Function",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/WebpackPluginInstance"
+              },
+              {
+                "$ref": "#/definitions/WebpackPluginFunction"
+              }
+            ]
+          }
+        },
+        "preferAbsolute": {
+          "description": "Prefer to resolve server-relative URLs (starting with '/') as absolute paths before falling back to resolve in 'resolve.roots'.",
+          "type": "boolean"
+        },
+        "resolver": {
+          "description": "Custom resolver"
+        },
+        "roots": {
+          "description": "A list of directories in which requests that are server-relative URLs (starting with '/') are resolved.",
+          "type": "array",
+          "items": {
+            "description": "Directory in which requests that are server-relative URLs (starting with '/') are resolved.",
+            "type": "string"
+          }
+        },
+        "symlinks": {
+          "description": "Enable resolving symlinks to the original location",
+          "type": "boolean"
+        },
+        "unsafeCache": {
+          "description": "Enable caching of successfully resolved requests",
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "object",
+              "additionalProperties": true
+            }
+          ]
+        },
+        "useSyncFileSystemCalls": {
+          "description": "Use synchronous filesystem calls for the resolver",
+          "type": "boolean"
+        }
+      }
+    },
+    "RuleSetCondition": {
+      "anyOf": [
+        {
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "((value: string) => boolean)"
+        },
+        {
+          "$ref": "#/definitions/RuleSetConditions"
+        },
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "and": {
+              "description": "Logical AND",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditions"
+                }
+              ]
+            },
+            "exclude": {
+              "description": "Exclude all modules matching any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditions"
+                }
+              ]
+            },
+            "include": {
+              "description": "Exclude all modules matching not any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditions"
+                }
+              ]
+            },
+            "not": {
+              "description": "Logical NOT",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditions"
+                }
+              ]
+            },
+            "or": {
+              "description": "Logical OR",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditions"
+                }
+              ]
+            },
+            "test": {
+              "description": "Exclude all modules matching any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditions"
+                }
+              ]
+            }
+          }
+        }
+      ]
+    },
+    "RuleSetConditionAbsolute": {
+      "anyOf": [
+        {
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        {
+          "type": "string",
+          "absolutePath": true
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "((value: string) => boolean)"
+        },
+        {
+          "$ref": "#/definitions/RuleSetConditionsAbsolute"
+        },
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "and": {
+              "description": "Logical AND",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionsAbsolute"
+                }
+              ]
+            },
+            "exclude": {
+              "description": "Exclude all modules matching any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+                }
+              ]
+            },
+            "include": {
+              "description": "Exclude all modules matching not any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+                }
+              ]
+            },
+            "not": {
+              "description": "Logical NOT",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionsAbsolute"
+                }
+              ]
+            },
+            "or": {
+              "description": "Logical OR",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionsAbsolute"
+                }
+              ]
+            },
+            "test": {
+              "description": "Exclude all modules matching any of these conditions",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+                }
+              ]
+            }
+          }
+        }
+      ]
+    },
+    "RuleSetConditionOrConditions": {
+      "description": "One or multiple rule conditions",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/RuleSetCondition"
+        },
+        {
+          "$ref": "#/definitions/RuleSetConditions"
+        }
+      ]
+    },
+    "RuleSetConditionOrConditionsAbsolute": {
+      "description": "One or multiple rule conditions",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/RuleSetConditionAbsolute"
+        },
+        {
+          "$ref": "#/definitions/RuleSetConditionsAbsolute"
+        }
+      ]
+    },
+    "RuleSetConditions": {
+      "type": "array",
+      "items": {
+        "description": "A rule condition",
+        "anyOf": [
+          {
+            "$ref": "#/definitions/RuleSetCondition"
+          }
+        ]
+      }
+    },
+    "RuleSetConditionsAbsolute": {
+      "type": "array",
+      "items": {
+        "description": "A rule condition",
+        "anyOf": [
+          {
+            "$ref": "#/definitions/RuleSetConditionAbsolute"
+          }
+        ]
+      }
+    },
+    "RuleSetLoader": {
+      "type": "string",
+      "minLength": 1
+    },
+    "RuleSetQuery": {
+      "anyOf": [
+        {
+          "type": "object"
+        },
+        {
+          "type": "string"
+        }
+      ]
+    },
+    "RuleSetRule": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "compiler": {
+          "description": "Match the child compiler name",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditions"
+            }
+          ]
+        },
+        "enforce": {
+          "description": "Enforce this rule as pre or post step",
+          "enum": ["pre", "post"]
+        },
+        "exclude": {
+          "description": "Shortcut for resource.exclude",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "include": {
+          "description": "Shortcut for resource.include",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "issuer": {
+          "description": "Match the issuer of the module (The module pointing to this module)",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "loader": {
+          "description": "Shortcut for use.loader",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetLoader"
+            },
+            {
+              "$ref": "#/definitions/RuleSetUse"
+            }
+          ]
+        },
+        "loaders": {
+          "description": "Shortcut for use.loader",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetUse"
+            }
+          ]
+        },
+        "oneOf": {
+          "description": "Only execute the first matching rule in this array",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetRules"
+            }
+          ]
+        },
+        "options": {
+          "description": "Shortcut for use.options",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetQuery"
+            }
+          ]
+        },
+        "parser": {
+          "description": "Options for parsing",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "query": {
+          "description": "Shortcut for use.query",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetQuery"
+            }
+          ]
+        },
+        "realResource": {
+          "description": "Match rules with custom resource name",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "resolve": {
+          "description": "Options for the resolver",
+          "type": "object",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ResolveOptions"
+            }
+          ]
+        },
+        "resource": {
+          "description": "Match the resource path of the module",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "resourceQuery": {
+          "description": "Match the resource query of the module",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditions"
+            }
+          ]
+        },
+        "rules": {
+          "description": "Match and execute these rules when this rule is matched",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetRules"
+            }
+          ]
+        },
+        "sideEffects": {
+          "description": "Flags a module as with or without side effects",
+          "type": "boolean"
+        },
+        "test": {
+          "description": "Shortcut for resource.test",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetConditionOrConditionsAbsolute"
+            }
+          ]
+        },
+        "type": {
+          "description": "Module type to use for the module",
+          "enum": [
+            "javascript/auto",
+            "javascript/dynamic",
+            "javascript/esm",
+            "json",
+            "webassembly/experimental"
+          ]
+        },
+        "use": {
+          "description": "Modifiers applied to the module when rule is matched",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/RuleSetUse"
+            }
+          ]
+        }
+      }
+    },
+    "RuleSetRules": {
+      "type": "array",
+      "items": {
+        "description": "A rule",
+        "anyOf": [
+          {
+            "$ref": "#/definitions/RuleSetRule"
+          }
+        ]
+      }
+    },
+    "RuleSetUse": {
+      "anyOf": [
+        {
+          "$ref": "#/definitions/RuleSetUseItem"
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        {
+          "type": "array",
+          "items": {
+            "description": "An use item",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/RuleSetUseItem"
+              }
+            ]
+          }
+        }
+      ]
+    },
+    "RuleSetUseItem": {
+      "anyOf": [
+        {
+          "$ref": "#/definitions/RuleSetLoader"
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "ident": {
+              "description": "Unique loader identifier",
+              "type": "string"
+            },
+            "loader": {
+              "description": "Loader name",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetLoader"
+                }
+              ]
+            },
+            "options": {
+              "description": "Loader options",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetQuery"
+                }
+              ]
+            },
+            "query": {
+              "description": "Loader query",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/RuleSetQuery"
+                }
+              ]
+            }
+          }
+        }
+      ]
+    },
+    "StatsOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "all": {
+          "description": "fallback value for stats options when an option is not defined (has precedence over local webpack defaults)",
+          "type": "boolean"
+        },
+        "assets": {
+          "description": "add assets information",
+          "type": "boolean"
+        },
+        "assetsSort": {
+          "description": "sort the assets by that field",
+          "type": "string"
+        },
+        "builtAt": {
+          "description": "add built at time information",
+          "type": "boolean"
+        },
+        "cached": {
+          "description": "add also information about cached (not built) modules",
+          "type": "boolean"
+        },
+        "cachedAssets": {
+          "description": "Show cached assets (setting this to `false` only shows emitted files)",
+          "type": "boolean"
+        },
+        "children": {
+          "description": "add children information",
+          "type": "boolean"
+        },
+        "chunkGroups": {
+          "description": "Display all chunk groups with the corresponding bundles",
+          "type": "boolean"
+        },
+        "chunkModules": {
+          "description": "add built modules information to chunk information",
+          "type": "boolean"
+        },
+        "chunkOrigins": {
+          "description": "add the origins of chunks and chunk merging info",
+          "type": "boolean"
+        },
+        "chunks": {
+          "description": "add chunk information",
+          "type": "boolean"
+        },
+        "chunksSort": {
+          "description": "sort the chunks by that field",
+          "type": "string"
+        },
+        "colors": {
+          "description": "Enables/Disables colorful output",
+          "oneOf": [
+            {
+              "description": "`webpack --colors` equivalent",
+              "type": "boolean"
+            },
+            {
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "bold": {
+                  "description": "Custom color for bold text",
+                  "type": "string"
+                },
+                "cyan": {
+                  "description": "Custom color for cyan text",
+                  "type": "string"
+                },
+                "green": {
+                  "description": "Custom color for green text",
+                  "type": "string"
+                },
+                "magenta": {
+                  "description": "Custom color for magenta text",
+                  "type": "string"
+                },
+                "red": {
+                  "description": "Custom color for red text",
+                  "type": "string"
+                },
+                "yellow": {
+                  "description": "Custom color for yellow text",
+                  "type": "string"
+                }
+              }
+            }
+          ]
+        },
+        "context": {
+          "description": "context directory for request shortening",
+          "type": "string",
+          "absolutePath": true
+        },
+        "depth": {
+          "description": "add module depth in module graph",
+          "type": "boolean"
+        },
+        "entrypoints": {
+          "description": "Display the entry points with the corresponding bundles",
+          "type": "boolean"
+        },
+        "env": {
+          "description": "add --env information",
+          "type": "boolean"
+        },
+        "errorDetails": {
+          "description": "add details to errors (like resolving log)",
+          "type": "boolean"
+        },
+        "errors": {
+          "description": "add errors",
+          "type": "boolean"
+        },
+        "exclude": {
+          "description": "Please use excludeModules instead.",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            },
+            {
+              "type": "boolean"
+            }
+          ]
+        },
+        "excludeAssets": {
+          "description": "Suppress assets that match the specified filters. Filters can be Strings, RegExps or Functions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            }
+          ]
+        },
+        "excludeModules": {
+          "description": "Suppress modules that match the specified filters. Filters can be Strings, RegExps, Booleans or Functions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            },
+            {
+              "type": "boolean"
+            }
+          ]
+        },
+        "hash": {
+          "description": "add the hash of the compilation",
+          "type": "boolean"
+        },
+        "logging": {
+          "description": "add logging output",
+          "anyOf": [
+            {
+              "description": "enable/disable logging output (true: shows normal logging output, loglevel: log)",
+              "type": "boolean"
+            },
+            {
+              "description": "specify log level of logging output",
+              "enum": ["none", "error", "warn", "info", "log", "verbose"]
+            }
+          ]
+        },
+        "loggingDebug": {
+          "description": "Include debug logging of specified loggers (i. e. for plugins or loaders). Filters can be Strings, RegExps or Functions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            },
+            {
+              "description": "Enable/Disable debug logging for all loggers",
+              "type": "boolean"
+            }
+          ]
+        },
+        "loggingTrace": {
+          "description": "add stack traces to logging output",
+          "type": "boolean"
+        },
+        "maxModules": {
+          "description": "Set the maximum number of modules to be shown",
+          "type": "number"
+        },
+        "moduleAssets": {
+          "description": "add information about assets inside modules",
+          "type": "boolean"
+        },
+        "moduleTrace": {
+          "description": "add dependencies and origin of warnings/errors",
+          "type": "boolean"
+        },
+        "modules": {
+          "description": "add built modules information",
+          "type": "boolean"
+        },
+        "modulesSort": {
+          "description": "sort the modules by that field",
+          "type": "string"
+        },
+        "nestedModules": {
+          "description": "add information about modules nested in other modules (like with module concatenation)",
+          "type": "boolean"
+        },
+        "optimizationBailout": {
+          "description": "show reasons why optimization bailed out for modules",
+          "type": "boolean"
+        },
+        "outputPath": {
+          "description": "Add output path information",
+          "type": "boolean"
+        },
+        "performance": {
+          "description": "add performance hint flags",
+          "type": "boolean"
+        },
+        "providedExports": {
+          "description": "show exports provided by modules",
+          "type": "boolean"
+        },
+        "publicPath": {
+          "description": "Add public path information",
+          "type": "boolean"
+        },
+        "reasons": {
+          "description": "add information about the reasons why modules are included",
+          "type": "boolean"
+        },
+        "source": {
+          "description": "add the source code of modules",
+          "type": "boolean"
+        },
+        "timings": {
+          "description": "add timing information",
+          "type": "boolean"
+        },
+        "usedExports": {
+          "description": "show exports used by modules",
+          "type": "boolean"
+        },
+        "version": {
+          "description": "add webpack version information",
+          "type": "boolean"
+        },
+        "warnings": {
+          "description": "add warnings",
+          "type": "boolean"
+        },
+        "warningsFilter": {
+          "description": "Suppress warnings that match the specified filters. Filters can be Strings, RegExps or Functions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            }
+          ]
+        }
+      }
+    },
+    "WebpackPluginFunction": {
+      "description": "Function acting as plugin",
+      "instanceof": "Function",
+      "tsType": "(this: import('../lib/Compiler'), compiler: import('../lib/Compiler')) => void"
+    },
+    "WebpackPluginInstance": {
+      "description": "Plugin instance",
+      "type": "object",
+      "additionalProperties": true,
+      "properties": {
+        "apply": {
+          "description": "The run point of the plugin, required method.",
+          "instanceof": "Function",
+          "tsType": "(compiler: import('../lib/Compiler')) => void"
+        }
+      },
+      "required": ["apply"]
+    }
+  },
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "amd": {
+      "description": "Set the value of `require.amd` and `define.amd`. Or disable AMD support.",
+      "anyOf": [
+        {
+          "description": "You can pass `false` to disable AMD support.",
+          "enum": [false]
+        },
+        {
+          "description": "You can pass an object to set the value of `require.amd` and `define.amd`.",
+          "type": "object"
+        }
+      ]
+    },
+    "bail": {
+      "description": "Report the first error as a hard error instead of tolerating it.",
+      "type": "boolean"
+    },
+    "cache": {
+      "description": "Cache generated modules and chunks to improve performance for multiple incremental builds.",
+      "anyOf": [
+        {
+          "description": "You can pass `false` to disable it.",
+          "type": "boolean"
+        },
+        {
+          "description": "You can pass an object to enable it and let webpack use the passed object as cache. This way you can share the cache object between multiple compiler calls.",
+          "type": "object"
+        }
+      ]
+    },
+    "context": {
+      "description": "The base directory (absolute path!) for resolving the `entry` option. If `output.pathinfo` is set, the included pathinfo is shortened to this directory.",
+      "type": "string",
+      "absolutePath": true
+    },
+    "dependencies": {
+      "description": "References to other configurations to depend on.",
+      "type": "array",
+      "items": {
+        "description": "References to another configuration to depend on.",
+        "type": "string"
+      }
+    },
+    "devServer": {
+      "description": "Options for the webpack-dev-server",
+      "type": "object"
+    },
+    "devtool": {
+      "description": "A developer tool to enhance debugging.",
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "enum": [false]
+        }
+      ]
+    },
+    "entry": {
+      "description": "The entry point(s) of the compilation.",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/Entry"
+        }
+      ]
+    },
+    "externals": {
+      "description": "Specify dependencies that shouldn't be resolved by webpack, but should become dependencies of the resulting bundle. The kind of the dependency depends on `output.libraryTarget`.",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/Externals"
+        }
+      ]
+    },
+    "infrastructureLogging": {
+      "description": "Options for infrastructure level logging",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "debug": {
+          "description": "Enable debug logging for specific loggers",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/FilterTypes"
+            },
+            {
+              "description": "Enable/Disable debug logging for all loggers",
+              "type": "boolean"
+            }
+          ]
+        },
+        "level": {
+          "description": "Log level",
+          "enum": ["none", "error", "warn", "info", "log", "verbose"]
+        }
+      }
+    },
+    "loader": {
+      "description": "Custom values available in the loader context.",
+      "type": "object"
+    },
+    "mode": {
+      "description": "Enable production optimizations or development hints.",
+      "enum": ["development", "production", "none"]
+    },
+    "module": {
+      "description": "Options affecting the normal modules (`NormalModuleFactory`).",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ModuleOptions"
+        }
+      ]
+    },
+    "name": {
+      "description": "Name of the configuration. Used when loading multiple configurations.",
+      "type": "string"
+    },
+    "node": {
+      "description": "Include polyfills or mocks for various node stuff.",
+      "anyOf": [
+        {
+          "enum": [false]
+        },
+        {
+          "$ref": "#/definitions/NodeOptions"
+        }
+      ]
+    },
+    "optimization": {
+      "description": "Enables/Disables integrated optimizations",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/OptimizationOptions"
+        }
+      ]
+    },
+    "output": {
+      "description": "Options affecting the output of the compilation. `output` options tell webpack how to write the compiled files to disk.",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/OutputOptions"
+        }
+      ]
+    },
+    "parallelism": {
+      "description": "The number of parallel processed modules in the compilation.",
+      "type": "number",
+      "minimum": 1
+    },
+    "performance": {
+      "description": "Configuration for web performance recommendations.",
+      "anyOf": [
+        {
+          "enum": [false]
+        },
+        {
+          "$ref": "#/definitions/PerformanceOptions"
+        }
+      ]
+    },
+    "plugins": {
+      "description": "Add additional plugins to the compiler.",
+      "type": "array",
+      "items": {
+        "description": "Plugin of type object or instanceof Function",
+        "anyOf": [
+          {
+            "$ref": "#/definitions/WebpackPluginInstance"
+          },
+          {
+            "$ref": "#/definitions/WebpackPluginFunction"
+          }
+        ]
+      }
+    },
+    "profile": {
+      "description": "Capture timing information for each module.",
+      "type": "boolean"
+    },
+    "recordsInputPath": {
+      "description": "Store compiler state to a json file.",
+      "type": "string",
+      "absolutePath": true
+    },
+    "recordsOutputPath": {
+      "description": "Load compiler state from a json file.",
+      "type": "string",
+      "absolutePath": true
+    },
+    "recordsPath": {
+      "description": "Store/Load compiler state from/to a json file. This will result in persistent ids of modules and chunks. An absolute path is expected. `recordsPath` is used for `recordsInputPath` and `recordsOutputPath` if they left undefined.",
+      "type": "string",
+      "absolutePath": true
+    },
+    "resolve": {
+      "description": "Options for the resolver",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ResolveOptions"
+        }
+      ]
+    },
+    "resolveLoader": {
+      "description": "Options for the resolver when resolving loaders",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ResolveOptions"
+        }
+      ]
+    },
+    "serve": {
+      "description": "Options for webpack-serve",
+      "type": "object"
+    },
+    "stats": {
+      "description": "Used by the webpack CLI program to pass stats options.",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/StatsOptions"
+        },
+        {
+          "type": "boolean"
+        },
+        {
+          "enum": [
+            "none",
+            "errors-only",
+            "minimal",
+            "normal",
+            "detailed",
+            "verbose",
+            "errors-warnings"
+          ]
+        }
+      ]
+    },
+    "target": {
+      "description": "Environment to build for",
+      "anyOf": [
+        {
+          "enum": [
+            "web",
+            "webworker",
+            "node",
+            "async-node",
+            "node-webkit",
+            "electron-main",
+            "electron-renderer",
+            "electron-preload"
+          ]
+        },
+        {
+          "instanceof": "Function",
+          "tsType": "((compiler: import('../lib/Compiler')) => void)"
+        }
+      ]
+    },
+    "watch": {
+      "description": "Enter watch mode, which rebuilds on file change.",
+      "type": "boolean"
+    },
+    "watchOptions": {
+      "description": "Options for the watcher",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "aggregateTimeout": {
+          "description": "Delay the rebuilt after the first change. Value is a time in ms.",
+          "type": "number"
+        },
+        "ignored": {
+          "description": "Ignore some files from watching"
+        },
+        "poll": {
+          "description": "Enable polling mode for watching",
+          "anyOf": [
+            {
+              "description": "`true`: use polling.",
+              "type": "boolean"
+            },
+            {
+              "description": "`number`: use polling with specified interval.",
+              "type": "number"
+            }
+          ]
+        },
+        "stdin": {
+          "description": "Stop watching when stdin stream has ended",
+          "type": "boolean"
+        }
+      }
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/ajv.absolutePath.js b/node_modules/webpack/schemas/ajv.absolutePath.js
new file mode 100644
index 00000000..9d6b7f6a
--- /dev/null
+++ b/node_modules/webpack/schemas/ajv.absolutePath.js
@@ -0,0 +1,57 @@
+"use strict";
+
+const errorMessage = (schema, data, message) => ({
+	keyword: "absolutePath",
+	params: { absolutePath: data },
+	message: message,
+	parentSchema: schema
+});
+
+const getErrorFor = (shouldBeAbsolute, data, schema) => {
+	const message = shouldBeAbsolute
+		? `The provided value ${JSON.stringify(data)} is not an absolute path!`
+		: `A relative path is expected. However, the provided value ${JSON.stringify(
+				data
+		  )} is an absolute path!`;
+
+	return errorMessage(schema, data, message);
+};
+
+module.exports = ajv =>
+	ajv.addKeyword("absolutePath", {
+		errors: true,
+		type: "string",
+		compile(expected, schema) {
+			function callback(data) {
+				let passes = true;
+				const isExclamationMarkPresent = data.includes("!");
+
+				if (isExclamationMarkPresent) {
+					callback.errors = [
+						errorMessage(
+							schema,
+							data,
+							`The provided value ${JSON.stringify(
+								data
+							)} contains exclamation mark (!) which is not allowed because it's reserved for loader syntax.`
+						)
+					];
+					passes = false;
+				}
+				// ?:[A-Za-z]:\\ - Windows absolute path
+				// \\\\ - Windows network absolute path
+				// \/ - Unix-like OS absolute path
+				const isCorrectAbsolutePath =
+					expected === /^(?:[A-Za-z]:\\|\\\\|\/)/.test(data);
+				if (!isCorrectAbsolutePath) {
+					callback.errors = [getErrorFor(expected, data, schema)];
+					passes = false;
+				}
+
+				return passes;
+			}
+			callback.errors = [];
+
+			return callback;
+		}
+	});
diff --git a/node_modules/webpack/schemas/plugins/BannerPlugin.json b/node_modules/webpack/schemas/plugins/BannerPlugin.json
new file mode 100644
index 00000000..af313b90
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/BannerPlugin.json
@@ -0,0 +1,101 @@
+{
+  "definitions": {
+    "BannerFunction": {
+      "description": "The banner as function, it will be wrapped in a comment",
+      "instanceof": "Function",
+      "tsType": "(data: { hash: string, chunk: import('../../lib/Chunk'), filename: string, basename: string, query: string}) => string"
+    },
+    "Rule": {
+      "oneOf": [
+        {
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        }
+      ]
+    },
+    "Rules": {
+      "oneOf": [
+        {
+          "type": "array",
+          "items": {
+            "description": "A rule condition",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/Rule"
+              }
+            ]
+          }
+        },
+        {
+          "$ref": "#/definitions/Rule"
+        }
+      ]
+    }
+  },
+  "title": "BannerPluginArgument",
+  "oneOf": [
+    {
+      "title": "BannerPluginOptions",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "banner": {
+          "description": "Specifies the banner",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/BannerFunction"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "entryOnly": {
+          "description": "If true, the banner will only be added to the entry chunks",
+          "type": "boolean"
+        },
+        "exclude": {
+          "description": "Exclude all modules matching any of these conditions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/Rules"
+            }
+          ]
+        },
+        "include": {
+          "description": "Include all modules matching any of these conditions",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/Rules"
+            }
+          ]
+        },
+        "raw": {
+          "description": "If true, banner will not be wrapped in a comment",
+          "type": "boolean"
+        },
+        "test": {
+          "description": "Include all modules that pass test assertion",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/Rules"
+            }
+          ]
+        }
+      },
+      "required": ["banner"]
+    },
+    {
+      "$ref": "#/definitions/BannerFunction"
+    },
+    {
+      "description": "The banner as string, it will be wrapped in a comment",
+      "type": "string",
+      "minLength": 1
+    }
+  ]
+}
diff --git a/node_modules/webpack/schemas/plugins/DllPlugin.json b/node_modules/webpack/schemas/plugins/DllPlugin.json
new file mode 100644
index 00000000..18d7dee4
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/DllPlugin.json
@@ -0,0 +1,36 @@
+{
+  "title": "DllPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "context": {
+      "description": "Context of requests in the manifest file (defaults to the webpack context)",
+      "type": "string",
+      "minLength": 1
+    },
+    "entryOnly": {
+      "description": "If true, only entry points will be exposed",
+      "type": "boolean"
+    },
+    "format": {
+      "description": "If true, manifest json file (output) will be formatted",
+      "type": "boolean"
+    },
+    "name": {
+      "description": "Name of the exposed dll function (external name, use value of 'output.library')",
+      "type": "string",
+      "minLength": 1
+    },
+    "path": {
+      "description": "Absolute path to the manifest json file (output)",
+      "type": "string",
+      "minLength": 1
+    },
+    "type": {
+      "description": "Type of the dll bundle (external type, use value of 'output.libraryTarget')",
+      "type": "string",
+      "minLength": 1
+    }
+  },
+  "required": ["path"]
+}
diff --git a/node_modules/webpack/schemas/plugins/DllReferencePlugin.json b/node_modules/webpack/schemas/plugins/DllReferencePlugin.json
new file mode 100644
index 00000000..1e078b97
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/DllReferencePlugin.json
@@ -0,0 +1,205 @@
+{
+  "definitions": {
+    "DllReferencePluginOptionsContent": {
+      "description": "The mappings from request to module info",
+      "type": "object",
+      "additionalProperties": {
+        "description": "Module info",
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "buildMeta": {
+            "description": "Meta information about the module",
+            "type": "object"
+          },
+          "exports": {
+            "description": "Information about the provided exports of the module",
+            "anyOf": [
+              {
+                "description": "Exports unknown/dynamic",
+                "enum": [true]
+              },
+              {
+                "description": "List of provided exports of the module",
+                "type": "array",
+                "items": {
+                  "description": "Name of the export",
+                  "type": "string",
+                  "minLength": 1
+                }
+              }
+            ]
+          },
+          "id": {
+            "description": "Module ID",
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "string",
+                "minLength": 1
+              }
+            ]
+          }
+        },
+        "required": ["id"]
+      },
+      "minProperties": 1
+    },
+    "DllReferencePluginOptionsManifest": {
+      "description": "An object containing content, name and type",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "content": {
+          "description": "The mappings from request to module info",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsContent"
+            }
+          ]
+        },
+        "name": {
+          "description": "The name where the dll is exposed (external name)",
+          "type": "string",
+          "minLength": 1
+        },
+        "type": {
+          "description": "The type how the dll is exposed (external type)",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsSourceType"
+            }
+          ]
+        }
+      },
+      "required": ["content"]
+    },
+    "DllReferencePluginOptionsSourceType": {
+      "description": "The type how the dll is exposed (external type)",
+      "enum": [
+        "var",
+        "assign",
+        "this",
+        "window",
+        "global",
+        "commonjs",
+        "commonjs2",
+        "commonjs-module",
+        "amd",
+        "amd-require",
+        "umd",
+        "umd2",
+        "jsonp"
+      ]
+    }
+  },
+  "title": "DllReferencePluginOptions",
+  "anyOf": [
+    {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "context": {
+          "description": "(absolute path) context of requests in the manifest (or content property)",
+          "type": "string",
+          "absolutePath": true
+        },
+        "extensions": {
+          "description": "Extensions used to resolve modules in the dll bundle (only used when using 'scope')",
+          "type": "array",
+          "items": {
+            "description": "An extension",
+            "type": "string"
+          }
+        },
+        "manifest": {
+          "description": "An object containing content and name or a string to the absolute path of the JSON manifest to be loaded upon compilation",
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsManifest"
+            },
+            {
+              "type": "string",
+              "absolutePath": true
+            }
+          ]
+        },
+        "name": {
+          "description": "The name where the dll is exposed (external name, defaults to manifest.name)",
+          "type": "string",
+          "minLength": 1
+        },
+        "scope": {
+          "description": "Prefix which is used for accessing the content of the dll",
+          "type": "string",
+          "minLength": 1
+        },
+        "sourceType": {
+          "description": "How the dll is exposed (libraryTarget, defaults to manifest.type)",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsSourceType"
+            }
+          ]
+        },
+        "type": {
+          "description": "The way how the export of the dll bundle is used",
+          "enum": ["require", "object"]
+        }
+      },
+      "required": ["manifest"]
+    },
+    {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "content": {
+          "description": "The mappings from request to module info",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsContent"
+            }
+          ]
+        },
+        "context": {
+          "description": "(absolute path) context of requests in the manifest (or content property)",
+          "type": "string",
+          "absolutePath": true
+        },
+        "extensions": {
+          "description": "Extensions used to resolve modules in the dll bundle (only used when using 'scope')",
+          "type": "array",
+          "items": {
+            "description": "An extension",
+            "type": "string"
+          }
+        },
+        "name": {
+          "description": "The name where the dll is exposed (external name)",
+          "type": "string",
+          "minLength": 1
+        },
+        "scope": {
+          "description": "Prefix which is used for accessing the content of the dll",
+          "type": "string",
+          "minLength": 1
+        },
+        "sourceType": {
+          "description": "How the dll is exposed (libraryTarget)",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/DllReferencePluginOptionsSourceType"
+            }
+          ]
+        },
+        "type": {
+          "description": "The way how the export of the dll bundle is used",
+          "enum": ["require", "object"]
+        }
+      },
+      "required": ["content", "name"]
+    }
+  ]
+}
diff --git a/node_modules/webpack/schemas/plugins/HashedModuleIdsPlugin.json b/node_modules/webpack/schemas/plugins/HashedModuleIdsPlugin.json
new file mode 100644
index 00000000..c4592ea6
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/HashedModuleIdsPlugin.json
@@ -0,0 +1,26 @@
+{
+  "title": "HashedModuleIdsPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "context": {
+      "description": "The context directory for creating names.",
+      "type": "string",
+      "absolutePath": true
+    },
+    "hashDigest": {
+      "description": "The encoding to use when generating the hash, defaults to 'base64'. All encodings from Node.JS' hash.digest are supported.",
+      "enum": ["hex", "latin1", "base64"]
+    },
+    "hashDigestLength": {
+      "description": "The prefix length of the hash digest to use, defaults to 4.",
+      "type": "number",
+      "minimum": 1
+    },
+    "hashFunction": {
+      "description": "The hashing algorithm to use, defaults to 'md5'. All functions from Node.JS' crypto.createHash are supported.",
+      "type": "string",
+      "minLength": 1
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/IgnorePlugin.json b/node_modules/webpack/schemas/plugins/IgnorePlugin.json
new file mode 100644
index 00000000..c873f07f
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/IgnorePlugin.json
@@ -0,0 +1,37 @@
+{
+  "title": "IgnorePluginOptions",
+  "oneOf": [
+    {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "contextRegExp": {
+          "description": "A RegExp to test the context (directory) against",
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        "resourceRegExp": {
+          "description": "A RegExp to test the request against",
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        }
+      }
+    },
+    {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "checkContext": {
+          "description": "A filter function for context",
+          "instanceof": "Function",
+          "tsType": "((context: string) => boolean)"
+        },
+        "checkResource": {
+          "description": "A filter function for resource and context",
+          "instanceof": "Function",
+          "tsType": "((resource: string, context: string) => boolean)"
+        }
+      }
+    }
+  ]
+}
diff --git a/node_modules/webpack/schemas/plugins/LoaderOptionsPlugin.json b/node_modules/webpack/schemas/plugins/LoaderOptionsPlugin.json
new file mode 100644
index 00000000..67efca43
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/LoaderOptionsPlugin.json
@@ -0,0 +1,27 @@
+{
+  "title": "LoaderOptionsPluginOptions",
+  "type": "object",
+  "additionalProperties": true,
+  "properties": {
+    "debug": {
+      "description": "Whether loaders should be in debug mode or not. debug will be removed as of webpack 3",
+      "type": "boolean"
+    },
+    "minimize": {
+      "description": "Where loaders can be switched to minimize mode",
+      "type": "boolean"
+    },
+    "options": {
+      "description": "A configuration object that can be used to configure older loaders",
+      "type": "object",
+      "additionalProperties": true,
+      "properties": {
+        "context": {
+          "description": "The context that can be used to configure older loaders",
+          "type": "string",
+          "absolutePath": true
+        }
+      }
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/ProgressPlugin.json b/node_modules/webpack/schemas/plugins/ProgressPlugin.json
new file mode 100644
index 00000000..e3847c7e
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/ProgressPlugin.json
@@ -0,0 +1,52 @@
+{
+  "definitions": {
+    "HandlerFunction": {
+      "description": "Function that executes for every progress step",
+      "instanceof": "Function",
+      "tsType": "((percentage: number, msg: string, ...args: string[]) => void)"
+    },
+    "ProgressPluginOptions": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "activeModules": {
+          "description": "Show active modules count and one active module in progress message",
+          "type": "boolean"
+        },
+        "entries": {
+          "description": "Show entries count in progress message",
+          "type": "boolean"
+        },
+        "handler": {
+          "description": "Function that executes for every progress step",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/HandlerFunction"
+            }
+          ]
+        },
+        "modules": {
+          "description": "Show modules count in progress message",
+          "type": "boolean"
+        },
+        "modulesCount": {
+          "description": "Minimum modules count to start with. Only for mode=modules. Default: 500",
+          "type": "number"
+        },
+        "profile": {
+          "description": "Collect profile data for progress steps. Default: false",
+          "enum": [true, false, null]
+        }
+      }
+    }
+  },
+  "title": "ProgressPluginArgument",
+  "oneOf": [
+    {
+      "$ref": "#/definitions/ProgressPluginOptions"
+    },
+    {
+      "$ref": "#/definitions/HandlerFunction"
+    }
+  ]
+}
diff --git a/node_modules/webpack/schemas/plugins/SourceMapDevToolPlugin.json b/node_modules/webpack/schemas/plugins/SourceMapDevToolPlugin.json
new file mode 100644
index 00000000..dd9d3109
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/SourceMapDevToolPlugin.json
@@ -0,0 +1,185 @@
+{
+  "definitions": {
+    "rule": {
+      "oneOf": [
+        {
+          "instanceof": "RegExp",
+          "tsType": "RegExp"
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        }
+      ]
+    },
+    "rules": {
+      "oneOf": [
+        {
+          "type": "array",
+          "items": {
+            "description": "A rule condition",
+            "anyOf": [
+              {
+                "$ref": "#/definitions/rule"
+              }
+            ]
+          }
+        },
+        {
+          "$ref": "#/definitions/rule"
+        }
+      ]
+    }
+  },
+  "title": "SourceMapDevToolPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "append": {
+      "description": "Appends the given value to the original asset. Usually the #sourceMappingURL comment. [url] is replaced with a URL to the source map file. false disables the appending",
+      "oneOf": [
+        {
+          "description": "Append no SourceMap comment to the bundle, but still generate SourceMaps",
+          "enum": [false, null]
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        }
+      ]
+    },
+    "columns": {
+      "description": "Indicates whether column mappings should be used (defaults to true)",
+      "type": "boolean"
+    },
+    "exclude": {
+      "description": "Exclude modules that match the given value from source map generation",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/rules"
+        }
+      ]
+    },
+    "fallbackModuleFilenameTemplate": {
+      "description": "Generator string or function to create identifiers of modules for the 'sources' array in the SourceMap used only if 'moduleFilenameTemplate' would result in a conflict",
+      "oneOf": [
+        {
+          "description": "Custom function generating the identifer",
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        }
+      ]
+    },
+    "fileContext": {
+      "description": "Path prefix to which the [file] placeholder is relative to",
+      "type": "string"
+    },
+    "filename": {
+      "description": "Defines the output filename of the SourceMap (will be inlined if no value is provided)",
+      "oneOf": [
+        {
+          "description": "Disable separate SourceMap file and inline SourceMap as DataUrl",
+          "enum": [false, null]
+        },
+        {
+          "type": "string",
+          "absolutePath": false,
+          "minLength": 1
+        }
+      ]
+    },
+    "include": {
+      "description": "Include source maps for module paths that match the given value",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/rules"
+        }
+      ]
+    },
+    "lineToLine": {
+      "description": "(deprecated) try to map original files line to line to generated files",
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "description": "Simplify and speed up source mapping by using line to line source mappings for matched modules",
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "exclude": {
+              "description": "Exclude modules that match the given value from source map generation",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/rules"
+                }
+              ]
+            },
+            "include": {
+              "description": "Include source maps for module paths that match the given value",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/rules"
+                }
+              ]
+            },
+            "test": {
+              "description": "Include source maps for modules based on their extension (defaults to .js and .css)",
+              "anyOf": [
+                {
+                  "$ref": "#/definitions/rules"
+                }
+              ]
+            }
+          }
+        }
+      ]
+    },
+    "module": {
+      "description": "Indicates whether SourceMaps from loaders should be used (defaults to true)",
+      "type": "boolean"
+    },
+    "moduleFilenameTemplate": {
+      "description": "Generator string or function to create identifiers of modules for the 'sources' array in the SourceMap",
+      "oneOf": [
+        {
+          "description": "Custom function generating the identifer",
+          "instanceof": "Function",
+          "tsType": "Function"
+        },
+        {
+          "type": "string",
+          "minLength": 1
+        }
+      ]
+    },
+    "namespace": {
+      "description": "Namespace prefix to allow multiple webpack roots in the devtools",
+      "type": "string"
+    },
+    "noSources": {
+      "description": "Omit the 'sourceContents' array from the SourceMap",
+      "type": "boolean"
+    },
+    "publicPath": {
+      "description": "Provide a custom public path for the SourceMapping comment",
+      "type": "string"
+    },
+    "sourceRoot": {
+      "description": "Provide a custom value for the 'sourceRoot' property in the SourceMap",
+      "type": "string"
+    },
+    "test": {
+      "description": "Include source maps for modules based on their extension (defaults to .js and .css)",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/rules"
+        }
+      ]
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/WatchIgnorePlugin.json b/node_modules/webpack/schemas/plugins/WatchIgnorePlugin.json
new file mode 100644
index 00000000..b08d50ba
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/WatchIgnorePlugin.json
@@ -0,0 +1,18 @@
+{
+  "title": "WatchIgnorePluginOptions",
+  "description": "A list of RegExps or absolute paths to directories or files that should be ignored",
+  "type": "array",
+  "items": {
+    "description": "RegExp or absolute path to directories or files that should be ignored",
+    "oneOf": [
+      {
+        "type": "string"
+      },
+      {
+        "instanceof": "RegExp",
+        "tsType": "RegExp"
+      }
+    ]
+  },
+  "minItems": 1
+}
diff --git a/node_modules/webpack/schemas/plugins/debug/ProfilingPlugin.json b/node_modules/webpack/schemas/plugins/debug/ProfilingPlugin.json
new file mode 100644
index 00000000..e9a4bf18
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/debug/ProfilingPlugin.json
@@ -0,0 +1,13 @@
+{
+  "title": "ProfilingPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "outputPath": {
+      "description": "Path to the output file e.g. `profiling/events.json`. Defaults to `events.json`.",
+      "type": "string",
+      "absolutePath": false,
+      "minLength": 4
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/optimize/AggressiveSplittingPlugin.json b/node_modules/webpack/schemas/plugins/optimize/AggressiveSplittingPlugin.json
new file mode 100644
index 00000000..19bcdfd5
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/optimize/AggressiveSplittingPlugin.json
@@ -0,0 +1,23 @@
+{
+  "title": "AggressiveSplittingPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "chunkOverhead": {
+      "description": "Default: 0",
+      "type": "number"
+    },
+    "entryChunkMultiplicator": {
+      "description": "Default: 1",
+      "type": "number"
+    },
+    "maxSize": {
+      "description": "Byte, maxsize of per file. Default: 51200",
+      "type": "number"
+    },
+    "minSize": {
+      "description": "Byte, split point. Default: 30720",
+      "type": "number"
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/optimize/LimitChunkCountPlugin.json b/node_modules/webpack/schemas/plugins/optimize/LimitChunkCountPlugin.json
new file mode 100644
index 00000000..b2636eef
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/optimize/LimitChunkCountPlugin.json
@@ -0,0 +1,16 @@
+{
+  "title": "LimitChunkCountPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "maxChunks": {
+      "description": "Limit the maximum number of chunks using a value greater greater than or equal to 1",
+      "type": "number",
+      "minimum": 1
+    },
+    "minChunkSize": {
+      "description": "Set a minimum chunk size",
+      "type": "number"
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/optimize/MinChunkSizePlugin.json b/node_modules/webpack/schemas/plugins/optimize/MinChunkSizePlugin.json
new file mode 100644
index 00000000..03e17d65
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/optimize/MinChunkSizePlugin.json
@@ -0,0 +1,12 @@
+{
+  "title": "MinChunkSizePluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "minChunkSize": {
+      "description": "Minimum number of characters",
+      "type": "number"
+    }
+  },
+  "required": ["minChunkSize"]
+}
diff --git a/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderChunkIdsPlugin.json b/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderChunkIdsPlugin.json
new file mode 100644
index 00000000..12facf2f
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderChunkIdsPlugin.json
@@ -0,0 +1,11 @@
+{
+  "title": "OccurrenceOrderChunkIdsPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "prioritiseInitial": {
+      "description": "Prioritise initial size over total size",
+      "type": "boolean"
+    }
+  }
+}
diff --git a/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderModuleIdsPlugin.json b/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderModuleIdsPlugin.json
new file mode 100644
index 00000000..d76ac14d
--- /dev/null
+++ b/node_modules/webpack/schemas/plugins/optimize/OccurrenceOrderModuleIdsPlugin.json
@@ -0,0 +1,11 @@
+{
+  "title": "OccurrenceOrderModuleIdsPluginOptions",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "prioritiseInitial": {
+      "description": "Prioritise initial size over total size",
+      "type": "boolean"
+    }
+  }
+}
diff --git a/node_modules/webpack/web_modules/node-libs-browser.js b/node_modules/webpack/web_modules/node-libs-browser.js
new file mode 100644
index 00000000..e69de29b
diff --git a/node_modules/worker-farm/.editorconfig b/node_modules/worker-farm/.editorconfig
new file mode 100644
index 00000000..feaebc23
--- /dev/null
+++ b/node_modules/worker-farm/.editorconfig
@@ -0,0 +1,16 @@
+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
+
+[*.js]
+max_line_length = 80
+View
diff --git a/node_modules/worker-farm/.travis.yml b/node_modules/worker-farm/.travis.yml
new file mode 100644
index 00000000..7af56429
--- /dev/null
+++ b/node_modules/worker-farm/.travis.yml
@@ -0,0 +1,12 @@
+language: node_js
+node_js:
+  - 6
+  - 8
+  - 10
+  - 12
+branches:
+  only:
+    - master
+notifications:
+  email:
+    - rod@vagg.org
diff --git a/node_modules/worker-farm/LICENSE.md b/node_modules/worker-farm/LICENSE.md
new file mode 100644
index 00000000..274c9b46
--- /dev/null
+++ b/node_modules/worker-farm/LICENSE.md
@@ -0,0 +1,13 @@
+The MIT License (MIT)
+=====================
+
+Copyright (c) 2014 LevelUP contributors
+---------------------------------------
+
+*LevelUP contributors listed at <https://github.com/rvagg/node-levelup#contributors>*
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/worker-farm/README.md b/node_modules/worker-farm/README.md
new file mode 100644
index 00000000..c52689ed
--- /dev/null
+++ b/node_modules/worker-farm/README.md
@@ -0,0 +1,150 @@
+# Worker Farm [![Build Status](https://secure.travis-ci.org/rvagg/node-worker-farm.svg)](http://travis-ci.org/rvagg/node-worker-farm)
+
+[![NPM](https://nodei.co/npm/worker-farm.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/worker-farm/) [![NPM](https://nodei.co/npm-dl/worker-farm.png?months=6&height=3)](https://nodei.co/npm/worker-farm/)
+
+
+Distribute processing tasks to child processes with an über-simple API and baked-in durability & custom concurrency options. *Available in npm as <strong>worker-farm</strong>*.
+
+## Example
+
+Given a file, *child.js*:
+
+```js
+module.exports = function (inp, callback) {
+  callback(null, inp + ' BAR (' + process.pid + ')')
+}
+```
+
+And a main file:
+
+```js
+var workerFarm = require('worker-farm')
+  , workers    = workerFarm(require.resolve('./child'))
+  , ret        = 0
+
+for (var i = 0; i < 10; i++) {
+  workers('#' + i + ' FOO', function (err, outp) {
+    console.log(outp)
+    if (++ret == 10)
+      workerFarm.end(workers)
+  })
+}
+```
+
+We'll get an output something like the following:
+
+```
+#1 FOO BAR (8546)
+#0 FOO BAR (8545)
+#8 FOO BAR (8545)
+#9 FOO BAR (8546)
+#2 FOO BAR (8548)
+#4 FOO BAR (8551)
+#3 FOO BAR (8549)
+#6 FOO BAR (8555)
+#5 FOO BAR (8553)
+#7 FOO BAR (8557)
+```
+
+This example is contained in the *[examples/basic](https://github.com/rvagg/node-worker-farm/tree/master/examples/basic/)* directory.
+
+### Example #1: Estimating π using child workers
+
+You will also find a more complex example in *[examples/pi](https://github.com/rvagg/node-worker-farm/tree/master/examples/pi/)* that estimates the value of **π** by using a Monte Carlo *area-under-the-curve* method and compares the speed of doing it all in-process vs using child workers to complete separate portions.
+
+Running `node examples/pi` will give you something like:
+
+```
+Doing it the slow (single-process) way...
+π ≈ 3.1416269360000006  (0.0000342824102075312 away from actual!)
+took 8341 milliseconds
+Doing it the fast (multi-process) way...
+π ≈ 3.1416233600000036  (0.00003070641021052367 away from actual!)
+took 1985 milliseconds
+```
+
+## Durability
+
+An important feature of Worker Farm is **call durability**. If a child process dies for any reason during the execution of call(s), those calls will be re-queued and taken care of by other child processes. In this way, when you ask for something to be done, unless there is something *seriously* wrong with what you're doing, you should get a result on your callback function.
+
+## My use-case
+
+There are other libraries for managing worker processes available but my use-case was fairly specific: I need to make heavy use of the [node-java](https://github.com/nearinfinity/node-java) library to interact with JVM code. Unfortunately, because the JVM garbage collector is so difficult to interact with, it's prone to killing your Node process when the GC kicks under heavy load. For safety I needed a durable way to make calls so that (1) it wouldn't kill my main process and (2) any calls that weren't successful would be resubmitted for processing.
+
+Worker Farm allows me to spin up multiple JVMs to be controlled by Node, and have a single, uncomplicated API that acts the same way as an in-process API and the calls will be taken care of by a child process even if an error kills a child process while it is working as the call will simply be passed to a new child process.
+
+**But**, don't think that Worker Farm is specific to that use-case, it's designed to be very generic and simple to adapt to anything requiring the use of child Node processes.
+
+## API
+
+Worker Farm exports a main function and an `end()` method. The main function sets up a "farm" of coordinated child-process workers and it can be used to instantiate multiple farms, all operating independently.
+
+### workerFarm([options, ]pathToModule[, exportedMethods])
+
+In its most basic form, you call `workerFarm()` with the path to a module file to be invoked by the child process. You should use an **absolute path** to the module file, the best way to obtain the path is with `require.resolve('./path/to/module')`, this function can be used in exactly the same way as `require('./path/to/module')` but it returns an absolute path.
+
+#### `exportedMethods`
+
+If your module exports a single function on `module.exports` then you should omit the final parameter. However, if you are exporting multiple functions on `module.exports` then you should list them in an Array of Strings:
+
+```js
+var workers = workerFarm(require.resolve('./mod'), [ 'doSomething', 'doSomethingElse' ])
+workers.doSomething(function () {})
+workers.doSomethingElse(function () {})
+```
+
+Listing the available methods will instruct Worker Farm what API to provide you with on the returned object. If you don't list a `exportedMethods` Array then you'll get a single callable function to use; but if you list the available methods then you'll get an object with callable functions by those names.
+
+**It is assumed that each function you call on your child module will take a `callback` function as the last argument.**
+
+#### `options`
+
+If you don't provide an `options` object then the following defaults will be used:
+
+```js
+{
+    workerOptions               : {}
+  , maxCallsPerWorker           : Infinity
+  , maxConcurrentWorkers        : require('os').cpus().length
+  , maxConcurrentCallsPerWorker : 10
+  , maxConcurrentCalls          : Infinity
+  , maxCallTime                 : Infinity
+  , maxRetries                  : Infinity
+  , autoStart                   : false
+  , onChild                     : function() {}
+}
+```
+
+  * **<code>workerOptions</code>** allows you to customize all the parameters passed to child nodes. This object supports [all possible options of `child_process.fork`](https://nodejs.org/api/child_process.html#child_process_child_process_fork_modulepath_args_options). The default options passed are the parent `execArgv`, `cwd` and `env`. Any (or all) of them can be overridden, and others can be added as well.
+
+  * **<code>maxCallsPerWorker</code>** allows you to control the lifespan of your child processes. A positive number will indicate that you only want each child to accept that many calls before it is terminated. This may be useful if you need to control memory leaks or similar in child processes.
+
+  * **<code>maxConcurrentWorkers</code>** will set the number of child processes to maintain concurrently. By default it is set to the number of CPUs available on the current system, but it can be any reasonable number, including `1`.
+
+  * **<code>maxConcurrentCallsPerWorker</code>** allows you to control the *concurrency* of individual child processes. Calls are placed into a queue and farmed out to child processes according to the number of calls they are allowed to handle concurrently. It is arbitrarily set to 10 by default so that calls are shared relatively evenly across workers, however if your calls predictably take a similar amount of time then you could set it to `Infinity` and Worker Farm won't queue any calls but spread them evenly across child processes and let them go at it. If your calls aren't I/O bound then it won't matter what value you use here as the individual workers won't be able to execute more than a single call at a time.
+
+  * **<code>maxConcurrentCalls</code>** allows you to control the maximum number of calls in the queue&mdash;either actively being processed or waiting for a worker to be processed. `Infinity` indicates no limit but if you have conditions that may endlessly queue jobs and you need to set a limit then provide a `>0` value and any calls that push the limit will return on their callback with a `MaxConcurrentCallsError` error (check `err.type == 'MaxConcurrentCallsError'`).
+
+  * **<code>maxCallTime</code>** *(use with caution, understand what this does before you use it!)* when `!== Infinity`, will cap a time, in milliseconds, that *any single call* can take to execute in a worker. If this time limit is exceeded by just a single call then the worker running that call will be killed and any calls running on that worker will have their callbacks returned with a `TimeoutError` (check `err.type == 'TimeoutError'`). If you are running with `maxConcurrentCallsPerWorker` value greater than `1` then **all calls currently executing** will fail and will be automatically resubmitted uless you've changed the `maxRetries` option. Use this if you have jobs that may potentially end in infinite loops that you can't programatically end with your child code. Preferably run this with a `maxConcurrentCallsPerWorker` so you don't interrupt other calls when you have a timeout. This timeout operates on a per-call basis but will interrupt a whole worker.
+
+  * **<code>maxRetries</code>** allows you to control the max number of call requeues after worker termination (unexpected or timeout). By default this option is set to `Infinity` which means that each call of each terminated worker will always be auto requeued. When the number of retries exceeds `maxRetries` value, the job callback will be executed with a `ProcessTerminatedError`. Note that if you are running with finite `maxCallTime` and `maxConcurrentCallsPerWorkers` greater than `1` then any `TimeoutError` will increase the retries counter *for each* concurrent call of the terminated worker.
+
+  * **<code>autoStart</code>** when set to `true` will start the workers as early as possible. Use this when your workers have to do expensive initialization. That way they'll be ready when the first request comes through.
+
+  * **<code>onChild</code>** when new child process starts this callback will be called with subprocess object as an argument. Use this when you need to add some custom communication with child processes.
+
+### workerFarm.end(farm)
+
+Child processes stay alive waiting for jobs indefinitely and your farm manager will stay alive managing its workers, so if you need it to stop then you have to do so explicitly. If you send your farm API to `workerFarm.end()` then it'll cleanly end your worker processes. Note though that it's a *soft* ending so it'll wait for child processes to finish what they are working on before asking them to die.
+
+Any calls that are queued and not yet being handled by a child process will be discarded. `end()` only waits for those currently in progress.
+
+Once you end a farm, it won't handle any more calls, so don't even try!
+
+## Related
+
+* [farm-cli](https://github.com/Kikobeats/farm-cli) – Launch a farm of workers from CLI.
+
+## License
+
+Worker Farm is Copyright (c) 2014 Rod Vagg [@rvagg](https://twitter.com/rvagg) and licensed under the MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE.md file for more details.
diff --git a/node_modules/worker-farm/examples/basic/child.js b/node_modules/worker-farm/examples/basic/child.js
new file mode 100644
index 00000000..0f0900b5
--- /dev/null
+++ b/node_modules/worker-farm/examples/basic/child.js
@@ -0,0 +1,5 @@
+'use strict'
+
+module.exports = function (inp, callback) {
+  callback(null, inp + ' BAR (' + process.pid + ')')
+}
diff --git a/node_modules/worker-farm/examples/basic/index.js b/node_modules/worker-farm/examples/basic/index.js
new file mode 100644
index 00000000..452e7b16
--- /dev/null
+++ b/node_modules/worker-farm/examples/basic/index.js
@@ -0,0 +1,13 @@
+'use strict'
+
+let workerFarm = require('../../')
+  , workers    = workerFarm(require.resolve('./child'))
+  , ret        = 0
+
+for (let i = 0; i < 10; i++) {
+  workers('#' + i + ' FOO', function (err, outp) {
+    console.log(outp)
+    if (++ret == 10)
+      workerFarm.end(workers)
+  })
+}
diff --git a/node_modules/worker-farm/examples/pi/calc.js b/node_modules/worker-farm/examples/pi/calc.js
new file mode 100644
index 00000000..df9e5bae
--- /dev/null
+++ b/node_modules/worker-farm/examples/pi/calc.js
@@ -0,0 +1,22 @@
+'use strict'
+
+/* A simple π estimation function using a Monte Carlo method
+ * For 0 to `points`, take 2 random numbers < 1, square and add them to
+ * find the area under that point in a 1x1 square. If that area is <= 1
+ * then it's *within* a quarter-circle, otherwise it's outside.
+ * Take the number of points <= 1 and multiply it by 4 and you have an
+ * estimate!
+ * Do this across multiple processes and average the results to
+ * increase accuracy.
+ */
+
+module.exports = function (points, callback) {
+  let inside = 0
+    , i = points
+
+  while (i--)
+    if (Math.pow(Math.random(), 2) + Math.pow(Math.random(), 2) <= 1)
+      inside++
+
+  callback(null, (inside / points) * 4)
+}
diff --git a/node_modules/worker-farm/examples/pi/index.js b/node_modules/worker-farm/examples/pi/index.js
new file mode 100644
index 00000000..b7b26839
--- /dev/null
+++ b/node_modules/worker-farm/examples/pi/index.js
@@ -0,0 +1,41 @@
+'use strict'
+
+const CHILDREN         = 500
+    , POINTS_PER_CHILD = 1000000
+    , FARM_OPTIONS     = {
+          maxConcurrentWorkers        : require('os').cpus().length
+        , maxCallsPerWorker           : Infinity
+        , maxConcurrentCallsPerWorker : 1
+      }
+
+let workerFarm = require('../../')
+  , calcDirect = require('./calc')
+  , calcWorker = workerFarm(FARM_OPTIONS, require.resolve('./calc'))
+
+  , ret
+  , start
+
+  , tally = function (finish, err, avg) {
+      ret.push(avg)
+      if (ret.length == CHILDREN) {
+        let pi  = ret.reduce(function (a, b) { return a + b }) / ret.length
+          , end = +new Date()
+        console.log('π ≈', pi, '\t(' + Math.abs(pi - Math.PI), 'away from actual!)')
+        console.log('took', end - start, 'milliseconds')
+        if (finish)
+          finish()
+      }
+    }
+
+  , calc = function (method, callback) {
+      ret   = []
+      start = +new Date()
+      for (let i = 0; i < CHILDREN; i++)
+        method(POINTS_PER_CHILD, tally.bind(null, callback))
+    }
+
+console.log('Doing it the slow (single-process) way...')
+calc(calcDirect, function () {
+  console.log('Doing it the fast (multi-process) way...')
+  calc(calcWorker, process.exit)
+})
diff --git a/node_modules/worker-farm/index.d.ts b/node_modules/worker-farm/index.d.ts
new file mode 100644
index 00000000..310e9150
--- /dev/null
+++ b/node_modules/worker-farm/index.d.ts
@@ -0,0 +1,55 @@
+import { ForkOptions } from "child_process";
+
+export = Farm;
+
+declare function Farm(name: string): Farm.Workers;
+declare function Farm(name: string, exportedMethods: string[]): Farm.Workers;
+declare function Farm(options: Farm.FarmOptions, name: string): Farm.Workers;
+declare function Farm(
+  options: Farm.FarmOptions,
+  name: string,
+  exportedMethods: string[],
+): Farm.Workers;
+
+type WorkerCallback0 = () => void;
+type WorkerCallback1 = (arg1: any) => void;
+type WorkerCallback2 = (arg1: any, arg2: any) => void;
+type WorkerCallback3 = (arg1: any, arg2: any, arg3: any) => void;
+type WorkerCallback4 = (arg1: any, arg2: any, arg3: any, arg4: any) => void;
+
+declare namespace Farm {
+  export function end(workers: Workers, callback?: Function): void;
+
+  export interface Workers {
+    [x: string]: Workers,
+    (callback: WorkerCallback): void;
+    (arg1: any, callback: WorkerCallback): void;
+    (arg1: any, arg2: any, callback: WorkerCallback): void;
+    (arg1: any, arg2: any, arg3: any, callback: WorkerCallback): void;
+    (
+      arg1: any,
+      arg2: any,
+      arg3: any,
+      arg4: any,
+      callback: WorkerCallback,
+    ): void;
+  }
+
+  export interface FarmOptions {
+    maxCallsPerWorker?: number;
+    maxConcurrentWorkers?: number;
+    maxConcurrentCallsPerWorker?: number;
+    maxConcurrentCalls?: number;
+    maxCallTime?: number;
+    maxRetries?: number;
+    autoStart?: boolean;
+    workerOptions?: ForkOptions;
+  }
+
+  export type WorkerCallback =
+    | WorkerCallback0
+    | WorkerCallback1
+    | WorkerCallback2
+    | WorkerCallback3
+    | WorkerCallback4;
+}
diff --git a/node_modules/worker-farm/lib/child/index.js b/node_modules/worker-farm/lib/child/index.js
new file mode 100644
index 00000000..78f63371
--- /dev/null
+++ b/node_modules/worker-farm/lib/child/index.js
@@ -0,0 +1,56 @@
+'use strict'
+
+let $module
+
+/*
+  let contextProto = this.context;
+  while (contextProto = Object.getPrototypeOf(contextProto)) {
+    completionGroups.push(Object.getOwnPropertyNames(contextProto));
+  }
+*/
+
+
+function handle (data) {
+  let idx      = data.idx
+    , child    = data.child
+    , method   = data.method
+    , args     = data.args
+    , callback = function () {
+        let _args = Array.prototype.slice.call(arguments)
+        if (_args[0] instanceof Error) {
+          let e = _args[0]
+          _args[0] = {
+              '$error'  : '$error'
+            , 'type'    : e.constructor.name
+            , 'message' : e.message
+            , 'stack'   : e.stack
+          }
+          Object.keys(e).forEach(function(key) {
+            _args[0][key] = e[key]
+          })
+        }
+        process.send({ owner: 'farm', idx: idx, child: child, args: _args })
+      }
+    , exec
+
+  if (method == null && typeof $module == 'function')
+    exec = $module
+  else if (typeof $module[method] == 'function')
+    exec = $module[method]
+
+  if (!exec)
+    return console.error('NO SUCH METHOD:', method)
+
+  exec.apply(null, args.concat([ callback ]))
+}
+
+
+process.on('message', function (data) {
+  if (data.owner !== 'farm') {
+    return;
+  }
+
+  if (!$module) return $module = require(data.module)
+  if (data.event == 'die') return process.exit(0)
+  handle(data)
+})
diff --git a/node_modules/worker-farm/lib/farm.js b/node_modules/worker-farm/lib/farm.js
new file mode 100644
index 00000000..60720dc5
--- /dev/null
+++ b/node_modules/worker-farm/lib/farm.js
@@ -0,0 +1,348 @@
+'use strict'
+
+const DEFAULT_OPTIONS = {
+          workerOptions               : {}
+        , maxCallsPerWorker           : Infinity
+        , maxConcurrentWorkers        : (require('os').cpus() || { length: 1 }).length
+        , maxConcurrentCallsPerWorker : 10
+        , maxConcurrentCalls          : Infinity
+        , maxCallTime                 : Infinity // exceed this and the whole worker is terminated
+        , maxRetries                  : Infinity
+        , forcedKillTime              : 100
+        , autoStart                   : false
+        , onChild                     : function() {}
+      }
+
+const fork                    = require('./fork')
+    , TimeoutError            = require('errno').create('TimeoutError')
+    , ProcessTerminatedError  = require('errno').create('ProcessTerminatedError')
+    , MaxConcurrentCallsError = require('errno').create('MaxConcurrentCallsError')
+
+
+function Farm (options, path) {
+  this.options     = Object.assign({}, DEFAULT_OPTIONS, options)
+  this.path        = path
+  this.activeCalls = 0
+}
+
+
+// make a handle to pass back in the form of an external API
+Farm.prototype.mkhandle = function (method) {
+  return function () {
+    let args = Array.prototype.slice.call(arguments)
+    if (this.activeCalls + this.callQueue.length >= this.options.maxConcurrentCalls) {
+      let err = new MaxConcurrentCallsError('Too many concurrent calls (active: ' + this.activeCalls + ', queued: ' + this.callQueue.length + ')')
+      if (typeof args[args.length - 1] == 'function')
+        return process.nextTick(args[args.length - 1].bind(null, err))
+      throw err
+    }
+    this.addCall({
+        method   : method
+      , callback : args.pop()
+      , args     : args
+      , retries  : 0
+    })
+  }.bind(this)
+}
+
+
+// a constructor of sorts
+Farm.prototype.setup = function (methods) {
+  let iface
+  if (!methods) { // single-function export
+    iface = this.mkhandle()
+  } else { // multiple functions on the export
+    iface = {}
+    methods.forEach(function (m) {
+      iface[m] = this.mkhandle(m)
+    }.bind(this))
+  }
+
+  this.searchStart    = -1
+  this.childId        = -1
+  this.children       = {}
+  this.activeChildren = 0
+  this.callQueue      = []
+
+  if (this.options.autoStart) {
+    while (this.activeChildren < this.options.maxConcurrentWorkers)
+      this.startChild()
+  }
+
+  return iface
+}
+
+
+// when a child exits, check if there are any outstanding jobs and requeue them
+Farm.prototype.onExit = function (childId) {
+  // delay this to give any sends a chance to finish
+  setTimeout(function () {
+    let doQueue = false
+    if (this.children[childId] && this.children[childId].activeCalls) {
+      this.children[childId].calls.forEach(function (call, i) {
+        if (!call) return
+        else if (call.retries >= this.options.maxRetries) {
+          this.receive({
+              idx   : i
+            , child : childId
+            , args  : [ new ProcessTerminatedError('cancel after ' + call.retries + ' retries!') ]
+          })
+        } else {
+          call.retries++
+          this.callQueue.unshift(call)
+          doQueue = true
+        }
+      }.bind(this))
+    }
+    this.stopChild(childId)
+    doQueue && this.processQueue()
+  }.bind(this), 10)
+}
+
+
+// start a new worker
+Farm.prototype.startChild = function () {
+  this.childId++
+
+  let forked = fork(this.path, this.options.workerOptions)
+    , id     = this.childId
+    , c      = {
+          send        : forked.send
+        , child       : forked.child
+        , calls       : []
+        , activeCalls : 0
+        , exitCode    : null
+      }
+
+  this.options.onChild(forked.child);
+
+  forked.child.on('message', function(data) {
+    if (data.owner !== 'farm') {
+      return;
+    }
+    this.receive(data);
+  }.bind(this))
+  forked.child.once('exit', function (code) {
+    c.exitCode = code
+    this.onExit(id)
+  }.bind(this))
+
+  this.activeChildren++
+  this.children[id] = c
+}
+
+
+// stop a worker, identified by id
+Farm.prototype.stopChild = function (childId) {
+  let child = this.children[childId]
+  if (child) {
+    child.send({owner: 'farm', event: 'die'})
+    setTimeout(function () {
+      if (child.exitCode === null)
+        child.child.kill('SIGKILL')
+    }, this.options.forcedKillTime).unref()
+    ;delete this.children[childId]
+    this.activeChildren--
+  }
+}
+
+
+// called from a child process, the data contains information needed to
+// look up the child and the original call so we can invoke the callback
+Farm.prototype.receive = function (data) {
+  let idx     = data.idx
+    , childId = data.child
+    , args    = data.args
+    , child   = this.children[childId]
+    , call
+
+  if (!child) {
+    return console.error(
+        'Worker Farm: Received message for unknown child. '
+      + 'This is likely as a result of premature child death, '
+      + 'the operation will have been re-queued.'
+    )
+  }
+
+  call = child.calls[idx]
+  if (!call) {
+    return console.error(
+        'Worker Farm: Received message for unknown index for existing child. '
+      + 'This should not happen!'
+    )
+  }
+
+  if (this.options.maxCallTime !== Infinity)
+    clearTimeout(call.timer)
+
+  if (args[0] && args[0].$error == '$error') {
+    let e = args[0]
+    switch (e.type) {
+      case 'TypeError': args[0] = new TypeError(e.message); break
+      case 'RangeError': args[0] = new RangeError(e.message); break
+      case 'EvalError': args[0] = new EvalError(e.message); break
+      case 'ReferenceError': args[0] = new ReferenceError(e.message); break
+      case 'SyntaxError': args[0] = new SyntaxError(e.message); break
+      case 'URIError': args[0] = new URIError(e.message); break
+      default: args[0] = new Error(e.message)
+    }
+    args[0].type = e.type
+    args[0].stack = e.stack
+
+    // Copy any custom properties to pass it on.
+    Object.keys(e).forEach(function(key) {
+      args[0][key] = e[key];
+    });
+  }
+
+  process.nextTick(function () {
+    call.callback.apply(null, args)
+  })
+
+  ;delete child.calls[idx]
+  child.activeCalls--
+  this.activeCalls--
+
+  if (child.calls.length >= this.options.maxCallsPerWorker
+      && !Object.keys(child.calls).length) {
+    // this child has finished its run, kill it
+    this.stopChild(childId)
+  }
+
+  // allow any outstanding calls to be processed
+  this.processQueue()
+}
+
+
+Farm.prototype.childTimeout = function (childId) {
+  let child = this.children[childId]
+    , i
+
+  if (!child)
+    return
+
+  for (i in child.calls) {
+    this.receive({
+        idx   : i
+      , child : childId
+      , args  : [ new TimeoutError('worker call timed out!') ]
+    })
+  }
+  this.stopChild(childId)
+}
+
+
+// send a call to a worker, identified by id
+Farm.prototype.send = function (childId, call) {
+  let child = this.children[childId]
+    , idx   = child.calls.length
+
+  child.calls.push(call)
+  child.activeCalls++
+  this.activeCalls++
+
+  child.send({
+      owner  : 'farm'
+    , idx    : idx
+    , child  : childId
+    , method : call.method
+    , args   : call.args
+  })
+
+  if (this.options.maxCallTime !== Infinity) {
+    call.timer =
+      setTimeout(this.childTimeout.bind(this, childId), this.options.maxCallTime)
+  }
+}
+
+
+// a list of active worker ids, in order, but the starting offset is
+// shifted each time this method is called, so we work our way through
+// all workers when handing out jobs
+Farm.prototype.childKeys = function () {
+  let cka = Object.keys(this.children)
+    , cks
+
+  if (this.searchStart >= cka.length - 1)
+    this.searchStart = 0
+  else
+    this.searchStart++
+
+  cks = cka.splice(0, this.searchStart)
+
+  return cka.concat(cks)
+}
+
+
+// Calls are added to a queue, this processes the queue and is called
+// whenever there might be a chance to send more calls to the workers.
+// The various options all impact on when we're able to send calls,
+// they may need to be kept in a queue until a worker is ready.
+Farm.prototype.processQueue = function () {
+  let cka, i = 0, childId
+
+  if (!this.callQueue.length)
+    return this.ending && this.end()
+
+  if (this.activeChildren < this.options.maxConcurrentWorkers)
+    this.startChild()
+
+  for (cka = this.childKeys(); i < cka.length; i++) {
+    childId = +cka[i]
+    if (this.children[childId].activeCalls < this.options.maxConcurrentCallsPerWorker
+        && this.children[childId].calls.length < this.options.maxCallsPerWorker) {
+
+      this.send(childId, this.callQueue.shift())
+      if (!this.callQueue.length)
+        return this.ending && this.end()
+    } /*else {
+      console.log(
+        , this.children[childId].activeCalls < this.options.maxConcurrentCallsPerWorker
+        , this.children[childId].calls.length < this.options.maxCallsPerWorker
+        , this.children[childId].calls.length , this.options.maxCallsPerWorker)
+    }*/
+  }
+
+  if (this.ending)
+    this.end()
+}
+
+
+// add a new call to the call queue, then trigger a process of the queue
+Farm.prototype.addCall = function (call) {
+  if (this.ending)
+    return this.end() // don't add anything new to the queue
+  this.callQueue.push(call)
+  this.processQueue()
+}
+
+
+// kills child workers when they're all done
+Farm.prototype.end = function (callback) {
+  let complete = true
+  if (this.ending === false)
+    return
+  if (callback)
+    this.ending = callback
+  else if (this.ending == null)
+    this.ending = true
+  Object.keys(this.children).forEach(function (child) {
+    if (!this.children[child])
+      return
+    if (!this.children[child].activeCalls)
+      this.stopChild(child)
+    else
+      complete = false
+  }.bind(this))
+
+  if (complete && typeof this.ending == 'function') {
+    process.nextTick(function () {
+      this.ending()
+      this.ending = false
+    }.bind(this))
+  }
+}
+
+
+module.exports              = Farm
+module.exports.TimeoutError = TimeoutError
diff --git a/node_modules/worker-farm/lib/fork.js b/node_modules/worker-farm/lib/fork.js
new file mode 100644
index 00000000..5a035d97
--- /dev/null
+++ b/node_modules/worker-farm/lib/fork.js
@@ -0,0 +1,33 @@
+'use strict'
+
+const childProcess = require('child_process')
+    , childModule  = require.resolve('./child/index')
+
+
+function fork (forkModule, workerOptions) {
+  // suppress --debug / --inspect flags while preserving others (like --harmony)
+  let filteredArgs = process.execArgv.filter(function (v) {
+        return !(/^--(debug|inspect)/).test(v)
+      })
+    , options       = Object.assign({
+          execArgv : filteredArgs
+        , env      : process.env
+        , cwd      : process.cwd()
+      }, workerOptions)
+    , child         = childProcess.fork(childModule, process.argv, options)
+
+  child.on('error', function() {
+    // this *should* be picked up by onExit and the operation requeued
+  })
+
+  child.send({ owner: 'farm', module: forkModule })
+
+  // return a send() function for this child
+  return {
+      send  : child.send.bind(child)
+    , child : child
+  }
+}
+
+
+module.exports = fork
diff --git a/node_modules/worker-farm/lib/index.js b/node_modules/worker-farm/lib/index.js
new file mode 100644
index 00000000..8c142227
--- /dev/null
+++ b/node_modules/worker-farm/lib/index.js
@@ -0,0 +1,34 @@
+'use strict'
+
+const Farm = require('./farm')
+
+let farms = [] // keep record of farms so we can end() them if required
+
+
+function farm (options, path, methods) {
+  if (typeof options == 'string') {
+    methods = path
+    path = options
+    options = {}
+  }
+
+  let f   = new Farm(options, path)
+    , api = f.setup(methods)
+
+  farms.push({ farm: f, api: api })
+
+  // return the public API
+  return api
+}
+
+
+function end (api, callback) {
+  for (let i = 0; i < farms.length; i++)
+    if (farms[i] && farms[i].api === api)
+      return farms[i].farm.end(callback)
+  process.nextTick(callback.bind(null, new Error('Worker farm not found!')))
+}
+
+
+module.exports     = farm
+module.exports.end = end
diff --git a/node_modules/worker-farm/package.json b/node_modules/worker-farm/package.json
new file mode 100644
index 00000000..1c4a1b80
--- /dev/null
+++ b/node_modules/worker-farm/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "worker-farm",
+  "description": "Distribute processing tasks to child processes with an über-simple API and baked-in durability & custom concurrency options.",
+  "version": "1.7.0",
+  "homepage": "https://github.com/rvagg/node-worker-farm",
+  "authors": [
+    "Rod Vagg @rvagg <rod@vagg.org> (https://github.com/rvagg)"
+  ],
+  "keywords": [
+    "worker",
+    "child",
+    "processing",
+    "farm"
+  ],
+  "main": "./lib/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/node-worker-farm.git"
+  },
+  "dependencies": {
+    "errno": "~0.1.7"
+  },
+  "devDependencies": {
+    "tape": "~4.10.1"
+  },
+  "scripts": {
+    "test": "node ./tests/"
+  },
+  "types": "./index.d.ts",
+  "license": "MIT"
+}
diff --git a/node_modules/worker-farm/tests/child.js b/node_modules/worker-farm/tests/child.js
new file mode 100644
index 00000000..71cb728f
--- /dev/null
+++ b/node_modules/worker-farm/tests/child.js
@@ -0,0 +1,87 @@
+'use strict'
+
+const fs = require('fs')
+const started = Date.now()
+
+
+module.exports = function (timeout, callback) {
+  callback = callback.bind(null, null, process.pid, Math.random(), timeout)
+  if (timeout)
+    return setTimeout(callback, timeout)
+  callback()
+}
+
+
+module.exports.args = function (callback) {
+  callback(null, {
+      argv     : process.argv
+    , cwd      : process.cwd()
+    , execArgv : process.execArgv
+  })
+}
+
+
+module.exports.run0 = function (callback) {
+  module.exports(0, callback)
+}
+
+
+module.exports.killable = function (id, callback) {
+  if (Math.random() < 0.5)
+    return process.exit(-1)
+  callback(null, id, process.pid)
+}
+
+
+module.exports.err = function (type, message, data, callback) {
+  if (typeof data == 'function') {
+    callback = data
+    data = null
+  } else {
+    let err = new Error(message)
+    Object.keys(data).forEach(function(key) {
+      err[key] = data[key]
+    })
+    callback(err)
+    return
+  }
+
+  if (type == 'TypeError')
+    return callback(new TypeError(message))
+  callback(new Error(message))
+}
+
+
+module.exports.block = function () {
+  while (true);
+}
+
+
+// use provided file path to save retries count among terminated workers
+module.exports.stubborn = function (path, callback) {
+  function isOutdated(path) {
+    return ((new Date).getTime() - fs.statSync(path).mtime.getTime()) > 2000
+  }
+
+  // file may not be properly deleted, check if modified no earler than two seconds ago
+  if (!fs.existsSync(path) || isOutdated(path)) {
+    fs.writeFileSync(path, '1')
+    process.exit(-1)
+  }
+
+  let retry = parseInt(fs.readFileSync(path, 'utf8'))
+  if (Number.isNaN(retry))
+    return callback(new Error('file contents is not a number'))
+
+  if (retry > 4) {
+    callback(null, 12)
+  } else {
+    fs.writeFileSync(path, String(retry + 1))
+    process.exit(-1)
+  }
+}
+
+
+module.exports.uptime = function (callback) {
+  callback(null, Date.now() - started)
+}
diff --git a/node_modules/worker-farm/tests/debug.js b/node_modules/worker-farm/tests/debug.js
new file mode 100644
index 00000000..4d2b8032
--- /dev/null
+++ b/node_modules/worker-farm/tests/debug.js
@@ -0,0 +1,12 @@
+'use strict'
+
+const workerFarm = require('../')
+    , workers    = workerFarm(require.resolve('./child'), ['args'])
+
+
+workers.args(function(err, result) {
+  console.log(result);
+  workerFarm.end(workers)
+  console.log('FINISHED')
+  process.exit(0)
+})
diff --git a/node_modules/worker-farm/tests/index.js b/node_modules/worker-farm/tests/index.js
new file mode 100644
index 00000000..e6be7bb7
--- /dev/null
+++ b/node_modules/worker-farm/tests/index.js
@@ -0,0 +1,616 @@
+'use strict'
+
+const tape          = require('tape')
+    , child_process = require('child_process')
+    , workerFarm    = require('../')
+    , childPath     = require.resolve('./child')
+    , fs            = require('fs')
+    , os            = require('os')
+
+function uniq (ar) {
+  let a = [], i, j
+  o: for (i = 0; i < ar.length; ++i) {
+    for (j = 0; j < a.length; ++j) if (a[j] == ar[i]) continue o
+    a[a.length] = ar[i]
+  }
+  return a
+}
+
+
+// a child where module.exports = function ...
+tape('simple, exports=function test', function (t) {
+  t.plan(4)
+
+  let child = workerFarm(childPath)
+  child(0, function (err, pid, rnd) {
+    t.ok(pid > process.pid, 'pid makes sense')
+    t.ok(pid < process.pid + 750, 'pid makes sense')
+    t.ok(rnd >= 0 && rnd < 1, 'rnd result makes sense')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+// a child where we have module.exports.fn = function ...
+tape('simple, exports.fn test', function (t) {
+  t.plan(4)
+
+  let child = workerFarm(childPath, [ 'run0' ])
+  child.run0(function (err, pid, rnd) {
+    t.ok(pid > process.pid, 'pid makes sense')
+    t.ok(pid < process.pid + 750, 'pid makes sense')
+    t.ok(rnd >= 0 && rnd < 1, 'rnd result makes sense')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('on child', function (t) {
+    t.plan(2)
+
+    let child = workerFarm({ onChild: function(subprocess) { childPid = subprocess.pid } }, childPath)
+      , childPid = null;
+
+    child(0, function(err, pid) {
+      t.equal(childPid, pid)
+    })
+
+    workerFarm.end(child, function () {
+      t.ok(true, 'workerFarm ended')
+    })
+})
+
+
+// use the returned pids to check that we're using a single child process
+// when maxConcurrentWorkers = 1
+tape('single worker', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({ maxConcurrentWorkers: 1 }, childPath)
+    , pids  = []
+    , i     = 10
+
+  while (i--) {
+    child(0, function (err, pid) {
+      pids.push(pid)
+      if (pids.length == 10) {
+        t.equal(1, uniq(pids).length, 'only a single process (by pid)')
+      } else if (pids.length > 10)
+        t.fail('too many callbacks!')
+    })
+  }
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+// use the returned pids to check that we're using two child processes
+// when maxConcurrentWorkers = 2
+tape('two workers', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({ maxConcurrentWorkers: 2 }, childPath)
+    , pids  = []
+    , i     = 10
+
+  while (i--) {
+    child(0, function (err, pid) {
+      pids.push(pid)
+      if (pids.length == 10) {
+        t.equal(2, uniq(pids).length, 'only two child processes (by pid)')
+      } else if (pids.length > 10)
+        t.fail('too many callbacks!')
+    })
+  }
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+// use the returned pids to check that we're using a child process per
+// call when maxConcurrentWorkers = 10
+tape('many workers', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({ maxConcurrentWorkers: 10 }, childPath)
+    , pids  = []
+    , i     = 10
+
+  while (i--) {
+    child(1, function (err, pid) {
+      pids.push(pid)
+      if (pids.length == 10) {
+        t.equal(10, uniq(pids).length, 'pids are all the same (by pid)')
+      } else if (pids.length > 10)
+        t.fail('too many callbacks!')
+    })
+  }
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('auto start workers', function (t) {
+  let child = workerFarm({ maxConcurrentWorkers: 3, autoStart: true }, childPath, ['uptime'])
+    , pids  = []
+    , count = 5
+    , i     = count
+    , delay = 250
+
+  t.plan(count + 1)
+
+  setTimeout(function() {
+    while (i--)
+      child.uptime(function (err, uptime) {
+        t.ok(uptime > 10, 'child has been up before the request (' + uptime + 'ms)')
+      })
+
+    workerFarm.end(child, function () {
+      t.ok(true, 'workerFarm ended')
+    })
+  }, delay)
+})
+
+
+// use the returned pids to check that we're using a child process per
+// call when we set maxCallsPerWorker = 1 even when we have maxConcurrentWorkers = 1
+tape('single call per worker', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({
+          maxConcurrentWorkers: 1
+        , maxConcurrentCallsPerWorker: Infinity
+        , maxCallsPerWorker: 1
+        , autoStart: true
+      }, childPath)
+    , pids  = []
+    , count = 25
+    , i     = count
+
+  while (i--) {
+    child(0, function (err, pid) {
+      pids.push(pid)
+      if (pids.length == count) {
+        t.equal(count, uniq(pids).length, 'one process for each call (by pid)')
+        workerFarm.end(child, function () {
+          t.ok(true, 'workerFarm ended')
+        })
+      } else if (pids.length > count)
+        t.fail('too many callbacks!')
+    })
+  }
+})
+
+
+// use the returned pids to check that we're using a child process per
+// two-calls when we set maxCallsPerWorker = 2 even when we have maxConcurrentWorkers = 1
+tape('two calls per worker', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({
+          maxConcurrentWorkers: 1
+        , maxConcurrentCallsPerWorker: Infinity
+        , maxCallsPerWorker: 2
+        , autoStart: true
+      }, childPath)
+    , pids  = []
+    , count = 20
+    , i     = count
+
+  while (i--) {
+    child(0, function (err, pid) {
+      pids.push(pid)
+      if (pids.length == count) {
+        t.equal(count / 2, uniq(pids).length, 'one process for each call (by pid)')
+        workerFarm.end(child, function () {
+          t.ok(true, 'workerFarm ended')
+        })
+      } else if (pids.length > count)
+        t.fail('too many callbacks!')
+    })
+  }
+})
+
+
+// use timing to confirm that one worker will process calls sequentially
+tape('many concurrent calls', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({
+          maxConcurrentWorkers: 1
+        , maxConcurrentCallsPerWorker: Infinity
+        , maxCallsPerWorker: Infinity
+        , autoStart: true
+      }, childPath)
+    , defer = 200
+    , count = 200
+    , i     = count
+    , cbc   = 0
+
+  setTimeout(function () {
+    let start = Date.now()
+
+    while (i--) {
+      child(defer, function () {
+        if (++cbc == count) {
+          let time = Date.now() - start
+          // upper-limit not tied to `count` at all
+          t.ok(time > defer && time < (defer * 2.5), 'processed tasks concurrently (' + time + 'ms)')
+          workerFarm.end(child, function () {
+            t.ok(true, 'workerFarm ended')
+          })
+        } else if (cbc > count)
+          t.fail('too many callbacks!')
+      })
+    }
+  }, 250)
+})
+
+
+// use timing to confirm that one child processes calls sequentially with
+// maxConcurrentCallsPerWorker = 1
+tape('single concurrent call', function (t) {
+  t.plan(2)
+
+  let child = workerFarm({
+          maxConcurrentWorkers: 1
+        , maxConcurrentCallsPerWorker: 1
+        , maxCallsPerWorker: Infinity
+        , autoStart: true
+      }, childPath)
+    , defer = 20
+    , count = 100
+    , i     = count
+    , cbc   = 0
+
+  setTimeout(function () {
+    let start = Date.now()
+
+    while (i--) {
+      child(defer, function () {
+        if (++cbc == count) {
+          let time = Date.now() - start
+          // upper-limit tied closely to `count`, 1.3 is generous but accounts for all the timers
+          // coming back at the same time and the IPC overhead
+          t.ok(time > (defer * count) && time < (defer * count * 1.3), 'processed tasks sequentially (' + time + ')')
+          workerFarm.end(child, function () {
+            t.ok(true, 'workerFarm ended')
+          })
+        } else if (cbc > count)
+          t.fail('too many callbacks!')
+      })
+    }
+  }, 250)
+})
+
+
+// use timing to confirm that one child processes *only* 5 calls concurrently
+tape('multiple concurrent calls', function (t) {
+  t.plan(2)
+
+  let callsPerWorker = 5
+    , child = workerFarm({
+          maxConcurrentWorkers: 1
+        , maxConcurrentCallsPerWorker: callsPerWorker
+        , maxCallsPerWorker: Infinity
+        , autoStart: true
+      }, childPath)
+    , defer = 100
+    , count = 100
+    , i     = count
+    , cbc   = 0
+
+  setTimeout(function () {
+    let start = Date.now()
+
+    while (i--) {
+      child(defer, function () {
+        if (++cbc == count) {
+          let time = Date.now() - start
+          let min = defer * 1.5
+          // (defer * (count / callsPerWorker + 2)) - if precise it'd be count/callsPerWorker
+          // but accounting for IPC and other overhead, we need to give it a bit of extra time,
+          // hence the +2
+          let max = defer * (count / callsPerWorker + 2)
+          t.ok(time > min && time < max, 'processed tasks concurrently (' + time + ' > ' + min + ' && ' + time + ' < ' + max + ')')
+          workerFarm.end(child, function () {
+            t.ok(true, 'workerFarm ended')
+          })
+        } else if (cbc > count)
+          t.fail('too many callbacks!')
+      })
+    }
+  }, 250)
+})
+
+
+// call a method that will die with a probability of 0.5 but expect that
+// we'll get results for each of our calls anyway
+tape('durability', function (t) {
+  t.plan(3)
+
+  let child = workerFarm({ maxConcurrentWorkers: 2 }, childPath, [ 'killable' ])
+    , ids   = []
+    , pids  = []
+    , count = 20
+    , i     = count
+
+  while (i--) {
+    child.killable(i, function (err, id, pid) {
+      ids.push(id)
+      pids.push(pid)
+      if (ids.length == count) {
+        t.ok(uniq(pids).length > 2, 'processed by many (' + uniq(pids).length + ') workers, but got there in the end!')
+        t.ok(uniq(ids).length == count, 'received a single result for each unique call')
+        workerFarm.end(child, function () {
+          t.ok(true, 'workerFarm ended')
+        })
+      } else if (ids.length > count)
+        t.fail('too many callbacks!')
+    })
+  }
+})
+
+
+// a callback provided to .end() can and will be called (uses "simple, exports=function test" to create a child)
+tape('simple, end callback', function (t) {
+  t.plan(4)
+
+  let child = workerFarm(childPath)
+  child(0, function (err, pid, rnd) {
+    t.ok(pid > process.pid, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(pid < process.pid + 750, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(rnd >= 0 && rnd < 1, 'rnd result makes sense')
+  })
+
+  workerFarm.end(child, function() {
+    t.pass('an .end() callback was successfully called')
+  })
+})
+
+
+tape('call timeout test', function (t) {
+  t.plan(3 + 3 + 4 + 4 + 4 + 3 + 1)
+
+  let child = workerFarm({ maxCallTime: 250, maxConcurrentWorkers: 1 }, childPath)
+
+  // should come back ok
+  child(50, function (err, pid, rnd) {
+    t.ok(pid > process.pid, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(pid < process.pid + 750, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(rnd > 0 && rnd < 1, 'rnd result makes sense ' + rnd)
+  })
+
+  // should come back ok
+  child(50, function (err, pid, rnd) {
+    t.ok(pid > process.pid, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(pid < process.pid + 750, 'pid makes sense ' + pid + ' vs ' + process.pid)
+    t.ok(rnd > 0 && rnd < 1, 'rnd result makes sense ' + rnd)
+  })
+
+  // should die
+  child(500, function (err, pid, rnd) {
+    t.ok(err, 'got an error')
+    t.equal(err.type, 'TimeoutError', 'correct error type')
+    t.ok(pid === undefined, 'no pid')
+    t.ok(rnd === undefined, 'no rnd')
+  })
+
+  // should die
+  child(1000, function (err, pid, rnd) {
+    t.ok(err, 'got an error')
+    t.equal(err.type, 'TimeoutError', 'correct error type')
+    t.ok(pid === undefined, 'no pid')
+    t.ok(rnd === undefined, 'no rnd')
+  })
+
+  // should die even though it is only a 100ms task, it'll get caught up
+  // in a dying worker
+  setTimeout(function () {
+    child(100, function (err, pid, rnd) {
+      t.ok(err, 'got an error')
+      t.equal(err.type, 'TimeoutError', 'correct error type')
+      t.ok(pid === undefined, 'no pid')
+      t.ok(rnd === undefined, 'no rnd')
+    })
+  }, 200)
+
+  // should be ok, new worker
+  setTimeout(function () {
+    child(50, function (err, pid, rnd) {
+      t.ok(pid > process.pid, 'pid makes sense ' + pid + ' vs ' + process.pid)
+      t.ok(pid < process.pid + 750, 'pid makes sense ' + pid + ' vs ' + process.pid)
+      t.ok(rnd > 0 && rnd < 1, 'rnd result makes sense ' + rnd)
+    })
+    workerFarm.end(child, function () {
+      t.ok(true, 'workerFarm ended')
+    })
+  }, 400)
+})
+
+
+tape('test error passing', function (t) {
+  t.plan(10)
+
+  let child = workerFarm(childPath, [ 'err' ])
+  child.err('Error', 'this is an Error', function (err) {
+    t.ok(err instanceof Error, 'is an Error object')
+    t.equal('Error', err.type, 'correct type')
+    t.equal('this is an Error', err.message, 'correct message')
+  })
+  child.err('TypeError', 'this is a TypeError', function (err) {
+    t.ok(err instanceof Error, 'is a TypeError object')
+    t.equal('TypeError', err.type, 'correct type')
+    t.equal('this is a TypeError', err.message, 'correct message')
+  })
+  child.err('Error', 'this is an Error with custom props', {foo: 'bar', 'baz': 1}, function (err) {
+    t.ok(err instanceof Error, 'is an Error object')
+    t.equal(err.foo, 'bar', 'passes data')
+    t.equal(err.baz, 1, 'passes data')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('test maxConcurrentCalls', function (t) {
+  t.plan(10)
+
+  let child = workerFarm({ maxConcurrentCalls: 5 }, childPath)
+
+  child(50, function (err) { t.notOk(err, 'no error') })
+  child(50, function (err) { t.notOk(err, 'no error') })
+  child(50, function (err) { t.notOk(err, 'no error') })
+  child(50, function (err) { t.notOk(err, 'no error') })
+  child(50, function (err) { t.notOk(err, 'no error') })
+  child(50, function (err) {
+    t.ok(err)
+    t.equal(err.type, 'MaxConcurrentCallsError', 'correct error type')
+  })
+  child(50, function (err) {
+    t.ok(err)
+    t.equal(err.type, 'MaxConcurrentCallsError', 'correct error type')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('test maxConcurrentCalls + queue', function (t) {
+  t.plan(13)
+
+  let child = workerFarm({ maxConcurrentCalls: 4, maxConcurrentWorkers: 2, maxConcurrentCallsPerWorker: 1 }, childPath)
+
+  child(20, function (err) { console.log('ended short1'); t.notOk(err, 'no error, short call 1') })
+  child(20, function (err) { console.log('ended short2'); t.notOk(err, 'no error, short call 2') })
+  child(300, function (err) { t.notOk(err, 'no error, long call 1') })
+  child(300, function (err) { t.notOk(err, 'no error, long call 2') })
+  child(20, function (err) {
+    t.ok(err, 'short call 3 should error')
+    t.equal(err.type, 'MaxConcurrentCallsError', 'correct error type')
+  })
+  child(20, function (err) {
+    t.ok(err, 'short call 4 should error')
+    t.equal(err.type, 'MaxConcurrentCallsError', 'correct error type')
+  })
+
+  // cross fingers and hope the two short jobs have ended
+  setTimeout(function () {
+    child(20, function (err) { t.notOk(err, 'no error, delayed short call 1') })
+    child(20, function (err) { t.notOk(err, 'no error, delayed short call 2') })
+    child(20, function (err) {
+      t.ok(err, 'delayed short call 3 should error')
+      t.equal(err.type, 'MaxConcurrentCallsError', 'correct error type')
+    })
+
+    workerFarm.end(child, function () {
+      t.ok(true, 'workerFarm ended')
+    })
+  }, 250)
+})
+
+
+// this test should not keep the process running! if the test process
+// doesn't die then the problem is here
+tape('test timeout kill', function (t) {
+  t.plan(3)
+
+  let child = workerFarm({ maxCallTime: 250, maxConcurrentWorkers: 1 }, childPath, [ 'block' ])
+  child.block(function (err) {
+    t.ok(err, 'got an error')
+    t.equal(err.type, 'TimeoutError', 'correct error type')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('test max retries after process terminate', function (t) {
+  t.plan(7)
+
+  // temporary file is used to store the number of retries among terminating workers
+  let filepath1 = '.retries1'
+  let child1 = workerFarm({ maxConcurrentWorkers: 1, maxRetries: 5}, childPath, [ 'stubborn' ])
+  child1.stubborn(filepath1, function (err, result) {
+    t.notOk(err, 'no error')
+    t.equal(result, 12, 'correct result')
+  })
+
+  workerFarm.end(child1, function () {
+    fs.unlinkSync(filepath1)
+    t.ok(true, 'workerFarm ended')
+  })
+
+  let filepath2 = '.retries2'
+  let child2 = workerFarm({ maxConcurrentWorkers: 1, maxRetries: 3}, childPath, [ 'stubborn' ])
+  child2.stubborn(filepath2, function (err, result) {
+    t.ok(err, 'got an error')
+    t.equal(err.type, 'ProcessTerminatedError', 'correct error type')
+    t.equal(err.message, 'cancel after 3 retries!', 'correct message and number of retries')
+  })
+
+  workerFarm.end(child2, function () {
+    fs.unlinkSync(filepath2)
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('custom arguments can be passed to "fork"', function (t) {
+  t.plan(3)
+
+  // allocate a real, valid path, in any OS
+  let cwd = fs.realpathSync(os.tmpdir())
+    , workerOptions = {
+        cwd      : cwd
+      , execArgv : ['--expose-gc']
+    }
+    , child = workerFarm({ maxConcurrentWorkers: 1, maxRetries: 5, workerOptions: workerOptions}, childPath, ['args'])
+
+  child.args(function (err, result) {
+    t.equal(result.execArgv[0], '--expose-gc', 'flags passed (overridden default)')
+    t.equal(result.cwd, cwd, 'correct cwd folder')
+  })
+
+  workerFarm.end(child, function () {
+    t.ok(true, 'workerFarm ended')
+  })
+})
+
+
+tape('ensure --debug/--inspect not propagated to children', function (t) {
+  t.plan(3)
+
+  let script   = __dirname + '/debug.js'
+    , debugArg = process.version.replace(/^v(\d+)\..*$/, '$1') >= 8 ? '--inspect' : '--debug=8881'
+    , child    = child_process.spawn(process.execPath, [ debugArg, script ])
+    , stdout   = ''
+
+  child.stdout.on('data', function (data) {
+    stdout += data.toString()
+  })
+
+  child.on('close', function (code) {
+    t.equal(code, 0, 'exited without error (' + code + ')')
+    t.ok(stdout.indexOf('FINISHED') > -1, 'process finished')
+    t.ok(stdout.indexOf('--debug') === -1, 'child does not receive debug flag')
+  })
+})
diff --git a/node_modules/worker-loader/CHANGELOG.md b/node_modules/worker-loader/CHANGELOG.md
new file mode 100644
index 00000000..16de7d45
--- /dev/null
+++ b/node_modules/worker-loader/CHANGELOG.md
@@ -0,0 +1,38 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="1.1.1"></a>
+## [1.1.1](https://github.com/webpack-contrib/worker-loader/compare/v1.1.0...v1.1.1) (2018-02-25)
+
+
+### Bug Fixes
+
+* **index:** add `webpack >= v4.0.0` support ([#128](https://github.com/webpack-contrib/worker-loader/issues/128)) ([d1a7a94](https://github.com/webpack-contrib/worker-loader/commit/d1a7a94))
+
+
+
+<a name="1.1.0"></a>
+# [1.1.0](https://github.com/webpack-contrib/worker-loader/compare/v1.0.0...v1.1.0) (2017-10-24)
+
+
+### Features
+
+* add `publicPath` support (`options.publicPath`) ([#31](https://github.com/webpack-contrib/worker-loader/issues/31)) ([96c6144](https://github.com/webpack-contrib/worker-loader/commit/96c6144))
+
+
+
+<a name="1.0.0"></a>
+## [1.0.0](https://github.com/webpack-contrib/worker-loader/compare/v0.8.0...v1.0.0) (2017-09-25)
+
+
+### Features
+
+* add `options` validation (`schema-utils`) ([#78](https://github.com/webpack-contrib/worker-loader/issues/78)) ([5e2f5e6](https://github.com/webpack-contrib/worker-loader/commit/5e2f5e6))
+* support loading node core modules ([#76](https://github.com/webpack-contrib/worker-loader/issues/76)) ([edcda35](https://github.com/webpack-contrib/worker-loader/commit/edcda35))
+
+
+### BREAKING CHANGES
+
+* loader-utils upgrade to > 1.0 is not backwards
+compatible with previous versions
diff --git a/node_modules/worker-loader/LICENSE b/node_modules/worker-loader/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/worker-loader/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/worker-loader/README.md b/node_modules/worker-loader/README.md
new file mode 100644
index 00000000..8adbc107
--- /dev/null
+++ b/node_modules/worker-loader/README.md
@@ -0,0 +1,300 @@
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![test][test]][test-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+
+<div align="center">
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200" src="https://cdn.rawgit.com/webpack/media/e7485eb2/logo/icon.svg">
+  </a>
+  <h1>Worker Loader</h1>
+  <p>This loader registers the script as <a href="https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API">Web Worker</a><p>
+</div>
+
+
+<h2 align="center">Install</h2>
+
+```bash
+npm i -D worker-loader
+```
+
+<h2 align="center"><a href="https://webpack.js.org/concepts/loaders">Usage</a></h2>
+
+### `Inlined`
+
+**App.js**
+```js
+import Worker from 'worker-loader!./Worker.js';
+```
+
+### `Config`
+
+**webpack.config.js**
+```js
+{
+  module: {
+    rules: [
+      {
+        test: /\.worker\.js$/,
+        use: { loader: 'worker-loader' }
+      }
+    ]
+  }
+}
+```
+
+**App.js**
+```js
+import Worker from './file.worker.js';
+
+const worker = new Worker();
+
+worker.postMessage({ a: 1 });
+worker.onmessage = function (event) {};
+
+worker.addEventListener("message", function (event) {});
+```
+
+<h2 align="center">Options</h2>
+
+|Name|Type|Default|Description|
+|:--:|:--:|:-----:|:----------|
+|[**`name`**](#name)|`{String}`|`[hash].worker.js`|Set a custom name for the output script| 
+|[**`inline`**](#inline)|`{Boolean}`|`false`|Inline the worker as a BLOB|
+|[**`fallback`**](#fallback)|`{Boolean}`|`false`|Require a fallback for non-worker supporting environments|
+|[**`publicPath`**](#publicPath)|`{String}`|`null`|Override the path from which worker scripts are downloaded|
+
+### `name`
+
+To set a custom name for the output script, use the `name` parameter. The name may contain the string `[hash]`, which will be replaced with a content dependent hash for caching purposes. When using `name` alone `[hash]` is omitted.
+
+*webpack.config.js**
+```js
+{
+  loader: 'worker-loader',
+  options: { name: 'WorkerName.[hash].js' }
+}
+```
+
+### `inline`
+
+You can also inline the worker as a BLOB with the `inline` parameter
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader',
+  options: { inline: true }
+}
+```
+
+> ℹ️  Inline mode will also create chunks for browsers without support for inline workers, to disable this behavior just set `fallback` parameter as `false`
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader'
+  options: { inline: true, fallback: false }
+}
+```
+
+### `fallback`
+
+Require a fallback for non-worker supporting environments
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader'
+  options: { fallback: false }
+}
+```
+
+### `publicPath`
+
+Overrides the path from which worker scripts are downloaded. If not specified, the same public path used for other
+webpack assets is used
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader'
+  options: { publicPath: '/scripts/workers/' }
+}
+```
+
+<h2 align="center">Examples</h2>
+
+The worker file can import dependencies just like any other file
+
+**Worker.js**
+```js
+const _ = require('lodash')
+
+const obj = { foo: 'foo' }
+
+_.has(obj, 'foo')
+
+// Post data to parent thread
+self.postMessage({ foo: 'foo' })
+
+// Respond to message from parent thread
+self.addEventListener('message', (event) => console.log(event))  
+```
+
+### `Integrating with ES2015 Modules`
+
+> ℹ️  You can even use ES2015 Modules if you have the [`babel-loader`](https://github.com/babel/babel-loader) configured.
+
+**Worker.js**
+```js
+import _ from 'lodash'
+
+const obj = { foo: 'foo' }
+
+_.has(obj, 'foo')
+
+// Post data to parent thread
+self.postMessage({ foo: 'foo' })
+
+// Respond to message from parent thread
+self.addEventListener('message', (event) => console.log(event))
+```
+
+### `Integrating with TypeScript`
+
+To integrate with TypeScript, you will need to define a custom module for the exports of your worker
+
+**typings/custom.d.ts**
+```typescript
+declare module "worker-loader!*" {
+  class WebpackWorker extends Worker {
+    constructor();
+  }
+
+  export default WebpackWorker;
+}
+```
+
+**Worker.ts**
+```typescript
+const ctx: Worker = self as any;
+
+// Post data to parent thread
+ctx.postMessage({ foo: "foo" });
+
+// Respond to message from parent thread
+ctx.addEventListener("message", (event) => console.log(event));
+```
+
+**App.ts**
+```typescript
+import Worker from "worker-loader!./Worker";
+
+const worker = new Worker();
+
+worker.postMessage({ a: 1 });
+worker.onmessage = (event) => {};
+
+worker.addEventListener("message", (event) => {});
+```
+
+### `Cross-Origin Policy`
+
+[`WebWorkers`](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API) are restricted by a [same-origin policy](https://en.wikipedia.org/wiki/Same-origin_policy), so if your `webpack` assets are not being served from the same origin as your application, their download may be blocked by your browser. This scenario can commonly occur if you are hosting your assets under a CDN domain. Even downloads from the `webpack-dev-server` could be blocked. There are two workarounds
+
+Firstly, you can inline the worker as a blob instead of downloading it as an external script via the [`inline`](#inline) parameter
+
+**App.js**
+```js
+import Worker from './file.worker.js';
+```
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader'
+  options: { inline: true }
+}
+```
+
+Secondly, you may override the base download URL for your worker script via the [`publicPath`](#publicpath) option
+
+**App.js**
+```js
+// This will cause the worker to be downloaded from `/workers/file.worker.js`
+import Worker from './file.worker.js';
+```
+
+**webpack.config.js**
+```js
+{
+  loader: 'worker-loader'
+  options: { publicPath: '/workers/' }
+}
+```
+
+<h2 align="center">Maintainers</h2>
+
+<table>
+  <tbody>
+    <tr>
+      <td align="center">
+        <a href="https://github.com/TrySound">
+          <img width="150" height="150" src="https://avatars3.githubusercontent.com/u/5635476?v=3&s=150">
+        </a>
+        <br />
+        <a href="https://github.com/TrySound">Bogdan Chadkin</a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/bebraw">
+          <img width="150" height="150" src="https://github.com/bebraw.png?v=3&s=150">
+          </br>
+          Juho Vepsäläinen
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/d3viant0ne">
+          <img width="150" height="150" src="https://github.com/d3viant0ne.png?v=3&s=150">
+          </br>
+          Joshua Wiens
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/michael-ciniawsky">
+          <img width="150" height="150" src="https://github.com/michael-ciniawsky.png?v=3&s=150">
+          </br>
+          Michael Ciniawsky
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/evilebottnawi">
+          <img width="150" height="150" src="https://github.com/evilebottnawi.png?v=3&s=150">
+          </br>
+          Alexander Krasnoyarov
+        </a>
+      </td>
+    </tr>
+  <tbody>
+</table>
+
+
+[npm]: https://img.shields.io/npm/v/worker-loader.svg
+[npm-url]: https://npmjs.com/package/worker-loader
+
+[node]: https://img.shields.io/node/v/cache-loader.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://david-dm.org/webpack-contrib/worker-loader.svg
+[deps-url]: https://david-dm.org/webpack-contrib/worker-loader
+
+[test]: http://img.shields.io/travis/webpack-contrib/worker-loader.svg
+[test-url]: https://travis-ci.org/webpack-contrib/worker-loader
+
+[cover]: https://codecov.io/gh/webpack-contrib/cache-loader/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/cache-loader
+
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
diff --git a/node_modules/worker-loader/node_modules/schema-utils/CHANGELOG.md b/node_modules/worker-loader/node_modules/schema-utils/CHANGELOG.md
new file mode 100644
index 00000000..9c0bfd45
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/CHANGELOG.md
@@ -0,0 +1,124 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="0.4.7"></a>
+## [0.4.7](https://github.com/webpack-contrib/schema-utils/compare/v0.4.6...v0.4.7) (2018-08-07)
+
+
+### Bug Fixes
+
+* **src:** `node >= v4.0.0` support ([#32](https://github.com/webpack-contrib/schema-utils/issues/32)) ([cb13dd4](https://github.com/webpack-contrib/schema-utils/commit/cb13dd4))
+
+
+
+<a name="0.4.6"></a>
+## [0.4.6](https://github.com/webpack-contrib/schema-utils/compare/v0.4.5...v0.4.6) (2018-08-06)
+
+
+### Bug Fixes
+
+* **package:** remove lockfile ([#28](https://github.com/webpack-contrib/schema-utils/issues/28)) ([69f1a81](https://github.com/webpack-contrib/schema-utils/commit/69f1a81))
+* **package:** remove unnecessary `webpack` dependency ([#26](https://github.com/webpack-contrib/schema-utils/issues/26)) ([532eaa5](https://github.com/webpack-contrib/schema-utils/commit/532eaa5))
+
+
+
+<a name="0.4.5"></a>
+## [0.4.5](https://github.com/webpack-contrib/schema-utils/compare/v0.4.4...v0.4.5) (2018-02-13)
+
+
+### Bug Fixes
+
+* **CHANGELOG:** update broken links ([4483b9f](https://github.com/webpack-contrib/schema-utils/commit/4483b9f))
+* **package:** update broken links ([f2494ba](https://github.com/webpack-contrib/schema-utils/commit/f2494ba))
+
+
+
+<a name="0.4.4"></a>
+## [0.4.4](https://github.com/webpack-contrib/schema-utils/compare/v0.4.3...v0.4.4) (2018-02-13)
+
+
+### Bug Fixes
+
+* **package:** update `dependencies` ([#22](https://github.com/webpack-contrib/schema-utils/issues/22)) ([3aecac6](https://github.com/webpack-contrib/schema-utils/commit/3aecac6))
+
+
+
+<a name="0.4.3"></a>
+## [0.4.3](https://github.com/webpack-contrib/schema-utils/compare/v0.4.2...v0.4.3) (2017-12-14)
+
+
+### Bug Fixes
+
+* **validateOptions:** throw `err` instead of `process.exit(1)` ([#17](https://github.com/webpack-contrib/schema-utils/issues/17)) ([c595eda](https://github.com/webpack-contrib/schema-utils/commit/c595eda))
+* **ValidationError:** never return `this` in the ctor ([#16](https://github.com/webpack-contrib/schema-utils/issues/16)) ([c723791](https://github.com/webpack-contrib/schema-utils/commit/c723791))
+
+
+
+<a name="0.4.2"></a>
+## [0.4.2](https://github.com/webpack-contrib/schema-utils/compare/v0.4.1...v0.4.2) (2017-11-09)
+
+
+### Bug Fixes
+
+* **validateOptions:** catch `ValidationError` and handle it internally ([#15](https://github.com/webpack-contrib/schema-utils/issues/15)) ([9c5ef5e](https://github.com/webpack-contrib/schema-utils/commit/9c5ef5e))
+
+
+
+<a name="0.4.1"></a>
+## [0.4.1](https://github.com/webpack-contrib/schema-utils/compare/v0.4.0...v0.4.1) (2017-11-03)
+
+
+### Bug Fixes
+
+* **ValidationError:** use `Error.captureStackTrace` for `err.stack` handling ([#14](https://github.com/webpack-contrib/schema-utils/issues/14)) ([a6fb974](https://github.com/webpack-contrib/schema-utils/commit/a6fb974))
+
+
+
+<a name="0.4.0"></a>
+# [0.4.0](https://github.com/webpack-contrib/schema-utils/compare/v0.3.0...v0.4.0) (2017-10-28)
+
+
+### Features
+
+* add support for `typeof`, `instanceof` (`{Function\|RegExp}`) ([#10](https://github.com/webpack-contrib/schema-utils/issues/10)) ([9f01816](https://github.com/webpack-contrib/schema-utils/commit/9f01816))
+
+
+
+<a name="0.3.0"></a>
+# [0.3.0](https://github.com/webpack-contrib/schema-utils/compare/v0.2.1...v0.3.0) (2017-04-29)
+
+
+### Features
+
+* add ValidationError ([#8](https://github.com/webpack-contrib/schema-utils/issues/8)) ([d48f0fb](https://github.com/webpack-contrib/schema-utils/commit/d48f0fb))
+
+
+
+<a name="0.2.1"></a>
+## [0.2.1](https://github.com/webpack-contrib/schema-utils/compare/v0.2.0...v0.2.1) (2017-03-13)
+
+
+### Bug Fixes
+
+* Include .babelrc to `files` ([28f0363](https://github.com/webpack-contrib/schema-utils/commit/28f0363))
+* Include source to `files` ([43b0f2f](https://github.com/webpack-contrib/schema-utils/commit/43b0f2f))
+
+
+
+<a name="0.2.0"></a>
+# [0.2.0](https://github.com/webpack-contrib/schema-utils/compare/v0.1.0...v0.2.0) (2017-03-12)
+
+<a name="0.1.0"></a>
+# 0.1.0 (2017-03-07)
+
+
+### Features
+
+* **validations:** add validateOptions module ([ae9b47b](https://github.com/webpack-contrib/schema-utils/commit/ae9b47b))
+
+
+
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
diff --git a/node_modules/worker-loader/node_modules/schema-utils/LICENSE b/node_modules/worker-loader/node_modules/schema-utils/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/worker-loader/node_modules/schema-utils/README.md b/node_modules/worker-loader/node_modules/schema-utils/README.md
new file mode 100644
index 00000000..2c4d9967
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/README.md
@@ -0,0 +1,130 @@
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![test][test]][test-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+
+<div align="center">
+  <a href="http://json-schema.org">
+    <img width="160" height="160"
+      src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/docs/logo.png">
+  </a>
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://webpack.js.org/assets/icon-square-big.svg">
+  </a>
+  <h1>Schema Utils</h1>
+</div>
+
+<h2 align="center">Install</h2>
+
+```bash
+npm i schema-utils
+```
+
+<h2 align="center">Usage</h2>
+
+### `validateOptions`
+
+**schema.json**
+```js
+{
+  "type": "object",
+  "properties": {
+    // Options...
+  },
+  "additionalProperties": false
+}
+```
+
+```js
+import schema from 'path/to/schema.json'
+import validateOptions from 'schema-utils'
+
+validateOptions(schema, options, 'Loader/Plugin Name')
+```
+
+<h2 align="center">Examples</h2>
+
+**schema.json**
+```json
+{
+  "type": "object",
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "test": {
+      "anyOf": [
+        { "type": "array" },
+        { "type": "string" },
+        { "instanceof": "RegExp" }
+      ]
+    },
+    "transform": {
+      "instanceof": "Function"
+    },
+    "sourceMap": {
+      "type": "boolean"
+    }
+  },
+  "additionalProperties": false
+}
+```
+
+### `Loader`
+
+```js
+import { getOptions } from 'loader-utils'
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+function loader (src, map) {
+  const options = getOptions(this) || {}
+
+  validateOptions(schema, options, 'Loader Name')
+
+  // Code...
+}
+```
+
+### `Plugin`
+
+```js
+import validateOptions from 'schema-utils'
+
+import schema from 'path/to/schema.json'
+
+class Plugin {
+  constructor (options) {
+    validateOptions(schema, options, 'Plugin Name')
+
+    this.options = options
+  }
+
+  apply (compiler) {
+    // Code...
+  }
+}
+```
+
+
+[npm]: https://img.shields.io/npm/v/schema-utils.svg
+[npm-url]: https://npmjs.com/package/schema-utils
+
+[node]: https://img.shields.io/node/v/schema-utils.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://david-dm.org/webpack-contrib/schema-utils.svg
+[deps-url]: https://david-dm.org/webpack-contrib/schema-utils
+
+[test]: http://img.shields.io/travis/webpack-contrib/schema-utils.svg
+[test-url]: https://travis-ci.org/webpack-contrib/schema-utils
+
+[cover]: https://codecov.io/gh/webpack-contrib/schema-utils/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/schema-utils
+
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
diff --git a/node_modules/worker-loader/node_modules/schema-utils/package.json b/node_modules/worker-loader/node_modules/schema-utils/package.json
new file mode 100644
index 00000000..ab2bf607
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "schema-utils",
+  "version": "0.4.7",
+  "description": "webpack Validation Utils",
+  "main": "src/index.js",
+  "files": [
+    "src"
+  ],
+  "engines": {
+    "node": ">= 4"
+  },
+  "scripts": {
+    "lint": "eslint --cache src test",
+    "test": "jest --env node --verbose --coverage",
+    "clean": "del-cli coverage",
+    "commits": "commitlint --from $(git rev-list --tags --max-count=1)",
+    "release": "npm run commits && standard-version"
+  },
+  "dependencies": {
+    "ajv": "^6.1.0",
+    "ajv-keywords": "^3.1.0"
+  },
+  "devDependencies": {
+    "@commitlint/cli": "^7.0.0",
+    "@commitlint/config-conventional": "^7.0.0",
+    "@webpack-contrib/eslint-config-webpack": "^2.0.0",
+    "del-cli": "^1.0.0",
+    "eslint": "^5.0.0",
+    "eslint-plugin-import": "^2.0.0",
+    "eslint-plugin-prettier": "^2.0.0",
+    "jest": "^21.0.0",
+    "prettier": "^1.0.0",
+    "standard-version": "^4.0.0"
+  },
+  "author": "webpack Contrib (https://github.com/webpack-contrib)",
+  "bugs": "https://github.com/webpack-contrib/schema-utils/issues",
+  "homepage": "https://github.com/webpack-contrib/schema-utils",
+  "repository": "https://github.com/webpack-contrib/schema-utils",
+  "license": "MIT"
+}
diff --git a/node_modules/worker-loader/node_modules/schema-utils/src/ValidationError.js b/node_modules/worker-loader/node_modules/schema-utils/src/ValidationError.js
new file mode 100644
index 00000000..21264b5c
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/src/ValidationError.js
@@ -0,0 +1,25 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+class ValidationError extends Error {
+  constructor(errors, name) {
+    super();
+
+    this.name = 'ValidationError';
+
+    this.message = `${name || ''} Invalid Options\n\n`;
+
+    errors.forEach((err) => {
+      this.message += `options${err.dataPath} ${err.message}\n`;
+    });
+
+    this.errors = errors;
+
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+
+module.exports = ValidationError;
diff --git a/node_modules/worker-loader/node_modules/schema-utils/src/index.js b/node_modules/worker-loader/node_modules/schema-utils/src/index.js
new file mode 100644
index 00000000..13108c21
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/src/index.js
@@ -0,0 +1,9 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+const validateOptions = require('./validateOptions');
+
+module.exports = validateOptions;
diff --git a/node_modules/worker-loader/node_modules/schema-utils/src/validateOptions.js b/node_modules/worker-loader/node_modules/schema-utils/src/validateOptions.js
new file mode 100644
index 00000000..f6d9f22f
--- /dev/null
+++ b/node_modules/worker-loader/node_modules/schema-utils/src/validateOptions.js
@@ -0,0 +1,37 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const Ajv = require('ajv');
+const ajvKeywords = require('ajv-keywords');
+
+const ValidationError = require('./ValidationError');
+
+const ajv = new Ajv({
+  allErrors: true,
+  useDefaults: true,
+  errorDataPath: 'property',
+});
+
+ajvKeywords(ajv, ['instanceof', 'typeof']);
+
+const validateOptions = (schema, options, name) => {
+  if (typeof schema === 'string') {
+    schema = fs.readFileSync(path.resolve(schema), 'utf8');
+    schema = JSON.parse(schema);
+  }
+
+  if (!ajv.validate(schema, options)) {
+    throw new ValidationError(ajv.errors, name);
+  }
+
+  return true;
+};
+
+module.exports = validateOptions;
diff --git a/node_modules/worker-loader/package.json b/node_modules/worker-loader/package.json
new file mode 100644
index 00000000..7bc22468
--- /dev/null
+++ b/node_modules/worker-loader/package.json
@@ -0,0 +1,69 @@
+{
+  "name": "worker-loader",
+  "version": "2.0.0",
+  "author": "Tobias Koppers @sokra",
+  "description": "worker loader module for webpack",
+  "repository": "https://github.com/webpack-contrib/worker-loader.git",
+  "bugs": "https://github.com/webpack-contrib/worker-loader/issues",
+  "homepage": "https://github.com/webpack-contrib/worker-loader",
+  "license": "MIT",
+  "main": "dist/cjs.js",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "start": "npm run build -- -w",
+    "build": "cross-env NODE_ENV=production babel src -d dist --ignore 'src/**/*.test.js' --copy-files",
+    "clean": "del-cli dist",
+    "lint": "eslint --cache src test",
+    "lint-staged": "lint-staged",
+    "prebuild": "npm run clean",
+    "prepare": "npm run build",
+    "release": "standard-version",
+    "security": "nsp check",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --collectCoverageFrom='src/**/*.js' --coverage",
+    "ci:lint": "npm run lint && npm run security",
+    "ci:test": "npm run test -- --runInBand",
+    "ci:coverage": "npm run test:coverage -- --runInBand",
+    "defaults": "webpack-defaults"
+  },
+  "dependencies": {
+    "loader-utils": "^1.0.0",
+    "schema-utils": "^0.4.0"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.0.0",
+    "babel-jest": "^21.0.0",
+    "babel-plugin-transform-object-rest-spread": "^6.0.0",
+    "babel-polyfill": "^6.0.0",
+    "babel-preset-env": "^1.0.0",
+    "cross-env": "^5.0.0",
+    "del": "^3.0.0",
+    "del-cli": "^1.0.0",
+    "eslint": "^4.0.0",
+    "eslint-config-webpack": "^1.0.0",
+    "eslint-plugin-import": "^2.2.0",
+    "jest": "^21.0.0",
+    "lint-staged": "^4.0.0",
+    "nsp": "^2.6.0",
+    "pre-commit": "^1.0.0",
+    "standard-version": "^4.0.0",
+    "webpack": "^3.0.0",
+    "webpack-defaults": "^1.6.0"
+  },
+  "peerDependencies": {
+    "webpack": "^3.0.0 || ^4.0.0-alpha.0 || ^4.0.0"
+  },
+  "engines": {
+    "node": ">= 6.9.0 || >= 8.9.0"
+  },
+  "pre-commit": "lint-staged",
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  }
+}
diff --git a/node_modules/wrappy/LICENSE b/node_modules/wrappy/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/wrappy/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/wrappy/README.md b/node_modules/wrappy/README.md
new file mode 100644
index 00000000..98eab252
--- /dev/null
+++ b/node_modules/wrappy/README.md
@@ -0,0 +1,36 @@
+# wrappy
+
+Callback wrapping utility
+
+## USAGE
+
+```javascript
+var wrappy = require("wrappy")
+
+// var wrapper = wrappy(wrapperFunction)
+
+// make sure a cb is called only once
+// See also: http://npm.im/once for this specific use case
+var once = wrappy(function (cb) {
+  var called = false
+  return function () {
+    if (called) return
+    called = true
+    return cb.apply(this, arguments)
+  }
+})
+
+function printBoo () {
+  console.log('boo')
+}
+// has some rando property
+printBoo.iAmBooPrinter = true
+
+var onlyPrintOnce = once(printBoo)
+
+onlyPrintOnce() // prints 'boo'
+onlyPrintOnce() // does nothing
+
+// random property is retained!
+assert.equal(onlyPrintOnce.iAmBooPrinter, true)
+```
diff --git a/node_modules/wrappy/package.json b/node_modules/wrappy/package.json
new file mode 100644
index 00000000..13075204
--- /dev/null
+++ b/node_modules/wrappy/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "wrappy",
+  "version": "1.0.2",
+  "description": "Callback wrapping utility",
+  "main": "wrappy.js",
+  "files": [
+    "wrappy.js"
+  ],
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "tap": "^2.3.1"
+  },
+  "scripts": {
+    "test": "tap --coverage test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/wrappy"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/npm/wrappy/issues"
+  },
+  "homepage": "https://github.com/npm/wrappy"
+}
diff --git a/node_modules/wrappy/wrappy.js b/node_modules/wrappy/wrappy.js
new file mode 100644
index 00000000..bb7e7d6f
--- /dev/null
+++ b/node_modules/wrappy/wrappy.js
@@ -0,0 +1,33 @@
+// Returns a wrapper function that returns a wrapped callback
+// The wrapper function should do some stuff, and return a
+// presumably different callback function.
+// This makes sure that own properties are retained, so that
+// decorations and such are not lost along the way.
+module.exports = wrappy
+function wrappy (fn, cb) {
+  if (fn && cb) return wrappy(fn)(cb)
+
+  if (typeof fn !== 'function')
+    throw new TypeError('need wrapper function')
+
+  Object.keys(fn).forEach(function (k) {
+    wrapper[k] = fn[k]
+  })
+
+  return wrapper
+
+  function wrapper() {
+    var args = new Array(arguments.length)
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i]
+    }
+    var ret = fn.apply(this, args)
+    var cb = args[args.length-1]
+    if (typeof ret === 'function' && ret !== cb) {
+      Object.keys(cb).forEach(function (k) {
+        ret[k] = cb[k]
+      })
+    }
+    return ret
+  }
+}
diff --git a/node_modules/xtend/.jshintrc b/node_modules/xtend/.jshintrc
new file mode 100644
index 00000000..77887b5f
--- /dev/null
+++ b/node_modules/xtend/.jshintrc
@@ -0,0 +1,30 @@
+{
+    "maxdepth": 4,
+    "maxstatements": 200,
+    "maxcomplexity": 12,
+    "maxlen": 80,
+    "maxparams": 5,
+
+    "curly": true,
+    "eqeqeq": true,
+    "immed": true,
+    "latedef": false,
+    "noarg": true,
+    "noempty": true,
+    "nonew": true,
+    "undef": true,
+    "unused": "vars",
+    "trailing": true,
+
+    "quotmark": true,
+    "expr": true,
+    "asi": true,
+
+    "browser": false,
+    "esnext": true,
+    "devel": false,
+    "node": false,
+    "nonstandard": false,
+
+    "predef": ["require", "module", "__dirname", "__filename"]
+}
diff --git a/node_modules/xtend/LICENSE b/node_modules/xtend/LICENSE
new file mode 100644
index 00000000..0099f4f6
--- /dev/null
+++ b/node_modules/xtend/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+Copyright (c) 2012-2014 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/xtend/README.md b/node_modules/xtend/README.md
new file mode 100644
index 00000000..4a2703cf
--- /dev/null
+++ b/node_modules/xtend/README.md
@@ -0,0 +1,32 @@
+# xtend
+
+[![browser support][3]][4]
+
+[![locked](http://badges.github.io/stability-badges/dist/locked.svg)](http://github.com/badges/stability-badges)
+
+Extend like a boss
+
+xtend is a basic utility library which allows you to extend an object by appending all of the properties from each object in a list. When there are identical properties, the right-most property takes precedence.
+
+## Examples
+
+```js
+var extend = require("xtend")
+
+// extend returns a new object. Does not mutate arguments
+var combination = extend({
+    a: "a",
+    b: "c"
+}, {
+    b: "b"
+})
+// { a: "a", b: "b" }
+```
+
+## Stability status: Locked
+
+## MIT Licensed 
+
+
+  [3]: http://ci.testling.com/Raynos/xtend.png
+  [4]: http://ci.testling.com/Raynos/xtend
diff --git a/node_modules/xtend/immutable.js b/node_modules/xtend/immutable.js
new file mode 100644
index 00000000..94889c9d
--- /dev/null
+++ b/node_modules/xtend/immutable.js
@@ -0,0 +1,19 @@
+module.exports = extend
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function extend() {
+    var target = {}
+
+    for (var i = 0; i < arguments.length; i++) {
+        var source = arguments[i]
+
+        for (var key in source) {
+            if (hasOwnProperty.call(source, key)) {
+                target[key] = source[key]
+            }
+        }
+    }
+
+    return target
+}
diff --git a/node_modules/xtend/mutable.js b/node_modules/xtend/mutable.js
new file mode 100644
index 00000000..72debede
--- /dev/null
+++ b/node_modules/xtend/mutable.js
@@ -0,0 +1,17 @@
+module.exports = extend
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function extend(target) {
+    for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i]
+
+        for (var key in source) {
+            if (hasOwnProperty.call(source, key)) {
+                target[key] = source[key]
+            }
+        }
+    }
+
+    return target
+}
diff --git a/node_modules/xtend/package.json b/node_modules/xtend/package.json
new file mode 100644
index 00000000..f7a39d10
--- /dev/null
+++ b/node_modules/xtend/package.json
@@ -0,0 +1,55 @@
+{
+  "name": "xtend",
+  "version": "4.0.2",
+  "description": "extend like a boss",
+  "keywords": [
+    "extend",
+    "merge",
+    "options",
+    "opts",
+    "object",
+    "array"
+  ],
+  "author": "Raynos <raynos2@gmail.com>",
+  "repository": "git://github.com/Raynos/xtend.git",
+  "main": "immutable",
+  "scripts": {
+    "test": "node test"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "~1.1.0"
+  },
+  "homepage": "https://github.com/Raynos/xtend",
+  "contributors": [
+    {
+      "name": "Jake Verbaten"
+    },
+    {
+      "name": "Matt Esch"
+    }
+  ],
+  "bugs": {
+    "url": "https://github.com/Raynos/xtend/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "license": "MIT",
+  "testling": {
+    "files": "test.js",
+    "browsers": [
+      "ie/7..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest"
+    ]
+  },
+  "engines": {
+    "node": ">=0.4"
+  }
+}
diff --git a/node_modules/xtend/test.js b/node_modules/xtend/test.js
new file mode 100644
index 00000000..b895b42b
--- /dev/null
+++ b/node_modules/xtend/test.js
@@ -0,0 +1,103 @@
+var test = require("tape")
+var extend = require("./")
+var mutableExtend = require("./mutable")
+
+test("merge", function(assert) {
+    var a = { a: "foo" }
+    var b = { b: "bar" }
+
+    assert.deepEqual(extend(a, b), { a: "foo", b: "bar" })
+    assert.end()
+})
+
+test("replace", function(assert) {
+    var a = { a: "foo" }
+    var b = { a: "bar" }
+
+    assert.deepEqual(extend(a, b), { a: "bar" })
+    assert.end()
+})
+
+test("undefined", function(assert) {
+    var a = { a: undefined }
+    var b = { b: "foo" }
+
+    assert.deepEqual(extend(a, b), { a: undefined, b: "foo" })
+    assert.deepEqual(extend(b, a), { a: undefined, b: "foo" })
+    assert.end()
+})
+
+test("handle 0", function(assert) {
+    var a = { a: "default" }
+    var b = { a: 0 }
+
+    assert.deepEqual(extend(a, b), { a: 0 })
+    assert.deepEqual(extend(b, a), { a: "default" })
+    assert.end()
+})
+
+test("is immutable", function (assert) {
+    var record = {}
+
+    extend(record, { foo: "bar" })
+    assert.equal(record.foo, undefined)
+    assert.end()
+})
+
+test("null as argument", function (assert) {
+    var a = { foo: "bar" }
+    var b = null
+    var c = void 0
+
+    assert.deepEqual(extend(b, a, c), { foo: "bar" })
+    assert.end()
+})
+
+test("mutable", function (assert) {
+    var a = { foo: "bar" }
+
+    mutableExtend(a, { bar: "baz" })
+
+    assert.equal(a.bar, "baz")
+    assert.end()
+})
+
+test("null prototype", function(assert) {
+    var a = { a: "foo" }
+    var b = Object.create(null)
+    b.b = "bar";
+
+    assert.deepEqual(extend(a, b), { a: "foo", b: "bar" })
+    assert.end()
+})
+
+test("null prototype mutable", function (assert) {
+    var a = { foo: "bar" }
+    var b = Object.create(null)
+    b.bar = "baz";
+
+    mutableExtend(a, b)
+
+    assert.equal(a.bar, "baz")
+    assert.end()
+})
+
+test("prototype pollution", function (assert) {
+    var a = {}
+    var maliciousPayload = '{"__proto__":{"oops":"It works!"}}'
+
+    assert.strictEqual(a.oops, undefined)
+    extend({}, maliciousPayload)
+    assert.strictEqual(a.oops, undefined)
+    assert.end()
+})
+
+test("prototype pollution mutable", function (assert) {
+    var a = {}
+    var maliciousPayload = '{"__proto__":{"oops":"It works!"}}'
+
+    assert.strictEqual(a.oops, undefined)
+    mutableExtend({}, maliciousPayload)
+    assert.strictEqual(a.oops, undefined)
+    assert.end()
+})
diff --git a/node_modules/y18n/CHANGELOG.md b/node_modules/y18n/CHANGELOG.md
new file mode 100644
index 00000000..b7e86e94
--- /dev/null
+++ b/node_modules/y18n/CHANGELOG.md
@@ -0,0 +1,35 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+
+### [4.0.3](https://www.github.com/yargs/y18n/compare/y18n-v4.0.2...y18n-v4.0.3) (2021-04-07)
+
+
+### Bug Fixes
+
+* **release:** 4.x.x should not enforce Node 10 ([#126](https://www.github.com/yargs/y18n/issues/126)) ([1e21a53](https://www.github.com/yargs/y18n/commit/1e21a536e9135d8403a47be88922157a706b7cde))
+
+### 4.0.1 (2020-11-30)
+
+### Bug Fixes
+
+* address prototype pollution issue ([#108](https://www.github.com/yargs/y18n/issues/108)) ([a9ac604](https://www.github.com/yargs/y18n/commit/a9ac604abf756dec9687be3843e2c93bfe581f25))
+
+<a name="4.0.0"></a>
+# [4.0.0](https://github.com/yargs/y18n/compare/v3.2.1...v4.0.0) (2017-10-10)
+
+
+### Bug Fixes
+
+* allow support for falsy values like 0 in tagged literal ([#45](https://github.com/yargs/y18n/issues/45)) ([c926123](https://github.com/yargs/y18n/commit/c926123))
+
+
+### Features
+
+* **__:** added tagged template literal support ([#44](https://github.com/yargs/y18n/issues/44)) ([0598daf](https://github.com/yargs/y18n/commit/0598daf))
+
+
+### BREAKING CHANGES
+
+* **__:** dropping Node 0.10/Node 0.12 support
diff --git a/node_modules/y18n/LICENSE b/node_modules/y18n/LICENSE
new file mode 100644
index 00000000..3c157f0b
--- /dev/null
+++ b/node_modules/y18n/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2015, Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.
diff --git a/node_modules/y18n/README.md b/node_modules/y18n/README.md
new file mode 100644
index 00000000..826474f2
--- /dev/null
+++ b/node_modules/y18n/README.md
@@ -0,0 +1,109 @@
+# y18n
+
+[![Build Status][travis-image]][travis-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+[![NPM version][npm-image]][npm-url]
+[![js-standard-style][standard-image]][standard-url]
+[![Conventional Commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg)](https://conventionalcommits.org)
+
+The bare-bones internationalization library used by yargs.
+
+Inspired by [i18n](https://www.npmjs.com/package/i18n).
+
+## Examples
+
+_simple string translation:_
+
+```js
+var __ = require('y18n').__
+
+console.log(__('my awesome string %s', 'foo'))
+```
+
+output:
+
+`my awesome string foo`
+
+_using tagged template literals_
+
+```js
+var __ = require('y18n').__
+var str = 'foo'
+
+console.log(__`my awesome string ${str}`)
+```
+
+output:
+
+`my awesome string foo`
+
+_pluralization support:_
+
+```js
+var __n = require('y18n').__n
+
+console.log(__n('one fish %s', '%d fishes %s', 2, 'foo'))
+```
+
+output:
+
+`2 fishes foo`
+
+## JSON Language Files
+
+The JSON language files should be stored in a `./locales` folder.
+File names correspond to locales, e.g., `en.json`, `pirate.json`.
+
+When strings are observed for the first time they will be
+added to the JSON file corresponding to the current locale.
+
+## Methods
+
+### require('y18n')(config)
+
+Create an instance of y18n with the config provided, options include:
+
+* `directory`: the locale directory, default `./locales`.
+* `updateFiles`: should newly observed strings be updated in file, default `true`.
+* `locale`: what locale should be used.
+* `fallbackToLanguage`: should fallback to a language-only file (e.g. `en.json`)
+  be allowed if a file matching the locale does not exist (e.g. `en_US.json`),
+  default `true`.
+
+### y18n.\_\_(str, arg, arg, arg)
+
+Print a localized string, `%s` will be replaced with `arg`s.
+
+This function can also be used as a tag for a template literal. You can use it
+like this: <code>__&#96;hello ${'world'}&#96;</code>. This will be equivalent to
+`__('hello %s', 'world')`.
+
+### y18n.\_\_n(singularString, pluralString, count, arg, arg, arg)
+
+Print a localized string with appropriate pluralization. If `%d` is provided
+in the string, the `count` will replace this placeholder.
+
+### y18n.setLocale(str)
+
+Set the current locale being used.
+
+### y18n.getLocale()
+
+What locale is currently being used?
+
+### y18n.updateLocale(obj)
+
+Update the current locale with the key value pairs in `obj`.
+
+## License
+
+ISC
+
+[travis-url]: https://travis-ci.org/yargs/y18n
+[travis-image]: https://img.shields.io/travis/yargs/y18n.svg
+[coveralls-url]: https://coveralls.io/github/yargs/y18n
+[coveralls-image]: https://img.shields.io/coveralls/yargs/y18n.svg
+[npm-url]: https://npmjs.org/package/y18n
+[npm-image]: https://img.shields.io/npm/v/y18n.svg
+[standard-image]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg
+[standard-url]: https://github.com/feross/standard
diff --git a/node_modules/y18n/index.js b/node_modules/y18n/index.js
new file mode 100644
index 00000000..727362aa
--- /dev/null
+++ b/node_modules/y18n/index.js
@@ -0,0 +1,188 @@
+var fs = require('fs')
+var path = require('path')
+var util = require('util')
+
+function Y18N (opts) {
+  // configurable options.
+  opts = opts || {}
+  this.directory = opts.directory || './locales'
+  this.updateFiles = typeof opts.updateFiles === 'boolean' ? opts.updateFiles : true
+  this.locale = opts.locale || 'en'
+  this.fallbackToLanguage = typeof opts.fallbackToLanguage === 'boolean' ? opts.fallbackToLanguage : true
+
+  // internal stuff.
+  this.cache = Object.create(null)
+  this.writeQueue = []
+}
+
+Y18N.prototype.__ = function () {
+  if (typeof arguments[0] !== 'string') {
+    return this._taggedLiteral.apply(this, arguments)
+  }
+  var args = Array.prototype.slice.call(arguments)
+  var str = args.shift()
+  var cb = function () {} // start with noop.
+
+  if (typeof args[args.length - 1] === 'function') cb = args.pop()
+  cb = cb || function () {} // noop.
+
+  if (!this.cache[this.locale]) this._readLocaleFile()
+
+  // we've observed a new string, update the language file.
+  if (!this.cache[this.locale][str] && this.updateFiles) {
+    this.cache[this.locale][str] = str
+
+    // include the current directory and locale,
+    // since these values could change before the
+    // write is performed.
+    this._enqueueWrite([this.directory, this.locale, cb])
+  } else {
+    cb()
+  }
+
+  return util.format.apply(util, [this.cache[this.locale][str] || str].concat(args))
+}
+
+Y18N.prototype._taggedLiteral = function (parts) {
+  var args = arguments
+  var str = ''
+  parts.forEach(function (part, i) {
+    var arg = args[i + 1]
+    str += part
+    if (typeof arg !== 'undefined') {
+      str += '%s'
+    }
+  })
+  return this.__.apply(null, [str].concat([].slice.call(arguments, 1)))
+}
+
+Y18N.prototype._enqueueWrite = function (work) {
+  this.writeQueue.push(work)
+  if (this.writeQueue.length === 1) this._processWriteQueue()
+}
+
+Y18N.prototype._processWriteQueue = function () {
+  var _this = this
+  var work = this.writeQueue[0]
+
+  // destructure the enqueued work.
+  var directory = work[0]
+  var locale = work[1]
+  var cb = work[2]
+
+  var languageFile = this._resolveLocaleFile(directory, locale)
+  var serializedLocale = JSON.stringify(this.cache[locale], null, 2)
+
+  fs.writeFile(languageFile, serializedLocale, 'utf-8', function (err) {
+    _this.writeQueue.shift()
+    if (_this.writeQueue.length > 0) _this._processWriteQueue()
+    cb(err)
+  })
+}
+
+Y18N.prototype._readLocaleFile = function () {
+  var localeLookup = {}
+  var languageFile = this._resolveLocaleFile(this.directory, this.locale)
+
+  try {
+    localeLookup = JSON.parse(fs.readFileSync(languageFile, 'utf-8'))
+  } catch (err) {
+    if (err instanceof SyntaxError) {
+      err.message = 'syntax error in ' + languageFile
+    }
+
+    if (err.code === 'ENOENT') localeLookup = {}
+    else throw err
+  }
+
+  this.cache[this.locale] = localeLookup
+}
+
+Y18N.prototype._resolveLocaleFile = function (directory, locale) {
+  var file = path.resolve(directory, './', locale + '.json')
+  if (this.fallbackToLanguage && !this._fileExistsSync(file) && ~locale.lastIndexOf('_')) {
+    // attempt fallback to language only
+    var languageFile = path.resolve(directory, './', locale.split('_')[0] + '.json')
+    if (this._fileExistsSync(languageFile)) file = languageFile
+  }
+  return file
+}
+
+// this only exists because fs.existsSync() "will be deprecated"
+// see https://nodejs.org/api/fs.html#fs_fs_existssync_path
+Y18N.prototype._fileExistsSync = function (file) {
+  try {
+    return fs.statSync(file).isFile()
+  } catch (err) {
+    return false
+  }
+}
+
+Y18N.prototype.__n = function () {
+  var args = Array.prototype.slice.call(arguments)
+  var singular = args.shift()
+  var plural = args.shift()
+  var quantity = args.shift()
+
+  var cb = function () {} // start with noop.
+  if (typeof args[args.length - 1] === 'function') cb = args.pop()
+
+  if (!this.cache[this.locale]) this._readLocaleFile()
+
+  var str = quantity === 1 ? singular : plural
+  if (this.cache[this.locale][singular]) {
+    str = this.cache[this.locale][singular][quantity === 1 ? 'one' : 'other']
+  }
+
+  // we've observed a new string, update the language file.
+  if (!this.cache[this.locale][singular] && this.updateFiles) {
+    this.cache[this.locale][singular] = {
+      one: singular,
+      other: plural
+    }
+
+    // include the current directory and locale,
+    // since these values could change before the
+    // write is performed.
+    this._enqueueWrite([this.directory, this.locale, cb])
+  } else {
+    cb()
+  }
+
+  // if a %d placeholder is provided, add quantity
+  // to the arguments expanded by util.format.
+  var values = [str]
+  if (~str.indexOf('%d')) values.push(quantity)
+
+  return util.format.apply(util, values.concat(args))
+}
+
+Y18N.prototype.setLocale = function (locale) {
+  this.locale = locale
+}
+
+Y18N.prototype.getLocale = function () {
+  return this.locale
+}
+
+Y18N.prototype.updateLocale = function (obj) {
+  if (!this.cache[this.locale]) this._readLocaleFile()
+
+  for (var key in obj) {
+    this.cache[this.locale][key] = obj[key]
+  }
+}
+
+module.exports = function (opts) {
+  var y18n = new Y18N(opts)
+
+  // bind all functions to y18n, so that
+  // they can be used in isolation.
+  for (var key in y18n) {
+    if (typeof y18n[key] === 'function') {
+      y18n[key] = y18n[key].bind(y18n)
+    }
+  }
+
+  return y18n
+}
diff --git a/node_modules/y18n/package.json b/node_modules/y18n/package.json
new file mode 100644
index 00000000..6f08863e
--- /dev/null
+++ b/node_modules/y18n/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "y18n",
+  "version": "4.0.3",
+  "description": "the bare-bones internationalization library used by yargs",
+  "main": "index.js",
+  "scripts": {
+    "pretest": "standard",
+    "test": "nyc mocha",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "release": "standard-version"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:yargs/y18n.git"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "i18n",
+    "internationalization",
+    "yargs"
+  ],
+  "author": "Ben Coe <ben@npmjs.com>",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/yargs/y18n/issues"
+  },
+  "homepage": "https://github.com/yargs/y18n",
+  "devDependencies": {
+    "chai": "^4.0.1",
+    "coveralls": "^3.0.0",
+    "mocha": "^4.0.1",
+    "nyc": "^11.0.1",
+    "rimraf": "^2.5.0",
+    "standard": "^10.0.0-beta.0",
+    "standard-version": "^4.2.0"
+  }
+}
diff --git a/node_modules/yallist/LICENSE b/node_modules/yallist/LICENSE
new file mode 100644
index 00000000..19129e31
--- /dev/null
+++ b/node_modules/yallist/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/yallist/README.md b/node_modules/yallist/README.md
new file mode 100644
index 00000000..f5861018
--- /dev/null
+++ b/node_modules/yallist/README.md
@@ -0,0 +1,204 @@
+# yallist
+
+Yet Another Linked List
+
+There are many doubly-linked list implementations like it, but this
+one is mine.
+
+For when an array would be too big, and a Map can't be iterated in
+reverse order.
+
+
+[![Build Status](https://travis-ci.org/isaacs/yallist.svg?branch=master)](https://travis-ci.org/isaacs/yallist) [![Coverage Status](https://coveralls.io/repos/isaacs/yallist/badge.svg?service=github)](https://coveralls.io/github/isaacs/yallist)
+
+## basic usage
+
+```javascript
+var yallist = require('yallist')
+var myList = yallist.create([1, 2, 3])
+myList.push('foo')
+myList.unshift('bar')
+// of course pop() and shift() are there, too
+console.log(myList.toArray()) // ['bar', 1, 2, 3, 'foo']
+myList.forEach(function (k) {
+  // walk the list head to tail
+})
+myList.forEachReverse(function (k, index, list) {
+  // walk the list tail to head
+})
+var myDoubledList = myList.map(function (k) {
+  return k + k
+})
+// now myDoubledList contains ['barbar', 2, 4, 6, 'foofoo']
+// mapReverse is also a thing
+var myDoubledListReverse = myList.mapReverse(function (k) {
+  return k + k
+}) // ['foofoo', 6, 4, 2, 'barbar']
+
+var reduced = myList.reduce(function (set, entry) {
+  set += entry
+  return set
+}, 'start')
+console.log(reduced) // 'startfoo123bar'
+```
+
+## api
+
+The whole API is considered "public".
+
+Functions with the same name as an Array method work more or less the
+same way.
+
+There's reverse versions of most things because that's the point.
+
+### Yallist
+
+Default export, the class that holds and manages a list.
+
+Call it with either a forEach-able (like an array) or a set of
+arguments, to initialize the list.
+
+The Array-ish methods all act like you'd expect.  No magic length,
+though, so if you change that it won't automatically prune or add
+empty spots.
+
+### Yallist.create(..)
+
+Alias for Yallist function.  Some people like factories.
+
+#### yallist.head
+
+The first node in the list
+
+#### yallist.tail
+
+The last node in the list
+
+#### yallist.length
+
+The number of nodes in the list.  (Change this at your peril.  It is
+not magic like Array length.)
+
+#### yallist.toArray()
+
+Convert the list to an array.
+
+#### yallist.forEach(fn, [thisp])
+
+Call a function on each item in the list.
+
+#### yallist.forEachReverse(fn, [thisp])
+
+Call a function on each item in the list, in reverse order.
+
+#### yallist.get(n)
+
+Get the data at position `n` in the list.  If you use this a lot,
+probably better off just using an Array.
+
+#### yallist.getReverse(n)
+
+Get the data at position `n`, counting from the tail.
+
+#### yallist.map(fn, thisp)
+
+Create a new Yallist with the result of calling the function on each
+item.
+
+#### yallist.mapReverse(fn, thisp)
+
+Same as `map`, but in reverse.
+
+#### yallist.pop()
+
+Get the data from the list tail, and remove the tail from the list.
+
+#### yallist.push(item, ...)
+
+Insert one or more items to the tail of the list.
+
+#### yallist.reduce(fn, initialValue)
+
+Like Array.reduce.
+
+#### yallist.reduceReverse
+
+Like Array.reduce, but in reverse.
+
+#### yallist.reverse
+
+Reverse the list in place.
+
+#### yallist.shift()
+
+Get the data from the list head, and remove the head from the list.
+
+#### yallist.slice([from], [to])
+
+Just like Array.slice, but returns a new Yallist.
+
+#### yallist.sliceReverse([from], [to])
+
+Just like yallist.slice, but the result is returned in reverse.
+
+#### yallist.toArray()
+
+Create an array representation of the list.
+
+#### yallist.toArrayReverse()
+
+Create a reversed array representation of the list.
+
+#### yallist.unshift(item, ...)
+
+Insert one or more items to the head of the list.
+
+#### yallist.unshiftNode(node)
+
+Move a Node object to the front of the list.  (That is, pull it out of
+wherever it lives, and make it the new head.)
+
+If the node belongs to a different list, then that list will remove it
+first.
+
+#### yallist.pushNode(node)
+
+Move a Node object to the end of the list.  (That is, pull it out of
+wherever it lives, and make it the new tail.)
+
+If the node belongs to a list already, then that list will remove it
+first.
+
+#### yallist.removeNode(node)
+
+Remove a node from the list, preserving referential integrity of head
+and tail and other nodes.
+
+Will throw an error if you try to have a list remove a node that
+doesn't belong to it.
+
+### Yallist.Node
+
+The class that holds the data and is actually the list.
+
+Call with `var n = new Node(value, previousNode, nextNode)`
+
+Note that if you do direct operations on Nodes themselves, it's very
+easy to get into weird states where the list is broken.  Be careful :)
+
+#### node.next
+
+The next node in the list.
+
+#### node.prev
+
+The previous node in the list.
+
+#### node.value
+
+The data the node contains.
+
+#### node.list
+
+The list to which this node belongs.  (Null if it does not belong to
+any list.)
diff --git a/node_modules/yallist/iterator.js b/node_modules/yallist/iterator.js
new file mode 100644
index 00000000..d41c97a1
--- /dev/null
+++ b/node_modules/yallist/iterator.js
@@ -0,0 +1,8 @@
+'use strict'
+module.exports = function (Yallist) {
+  Yallist.prototype[Symbol.iterator] = function* () {
+    for (let walker = this.head; walker; walker = walker.next) {
+      yield walker.value
+    }
+  }
+}
diff --git a/node_modules/yallist/package.json b/node_modules/yallist/package.json
new file mode 100644
index 00000000..27128099
--- /dev/null
+++ b/node_modules/yallist/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "yallist",
+  "version": "3.1.1",
+  "description": "Yet Another Linked List",
+  "main": "yallist.js",
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "yallist.js",
+    "iterator.js"
+  ],
+  "dependencies": {},
+  "devDependencies": {
+    "tap": "^12.1.0"
+  },
+  "scripts": {
+    "test": "tap test/*.js --100",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/isaacs/yallist.git"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC"
+}
diff --git a/node_modules/yallist/yallist.js b/node_modules/yallist/yallist.js
new file mode 100644
index 00000000..ed4e7303
--- /dev/null
+++ b/node_modules/yallist/yallist.js
@@ -0,0 +1,426 @@
+'use strict'
+module.exports = Yallist
+
+Yallist.Node = Node
+Yallist.create = Yallist
+
+function Yallist (list) {
+  var self = this
+  if (!(self instanceof Yallist)) {
+    self = new Yallist()
+  }
+
+  self.tail = null
+  self.head = null
+  self.length = 0
+
+  if (list && typeof list.forEach === 'function') {
+    list.forEach(function (item) {
+      self.push(item)
+    })
+  } else if (arguments.length > 0) {
+    for (var i = 0, l = arguments.length; i < l; i++) {
+      self.push(arguments[i])
+    }
+  }
+
+  return self
+}
+
+Yallist.prototype.removeNode = function (node) {
+  if (node.list !== this) {
+    throw new Error('removing node which does not belong to this list')
+  }
+
+  var next = node.next
+  var prev = node.prev
+
+  if (next) {
+    next.prev = prev
+  }
+
+  if (prev) {
+    prev.next = next
+  }
+
+  if (node === this.head) {
+    this.head = next
+  }
+  if (node === this.tail) {
+    this.tail = prev
+  }
+
+  node.list.length--
+  node.next = null
+  node.prev = null
+  node.list = null
+
+  return next
+}
+
+Yallist.prototype.unshiftNode = function (node) {
+  if (node === this.head) {
+    return
+  }
+
+  if (node.list) {
+    node.list.removeNode(node)
+  }
+
+  var head = this.head
+  node.list = this
+  node.next = head
+  if (head) {
+    head.prev = node
+  }
+
+  this.head = node
+  if (!this.tail) {
+    this.tail = node
+  }
+  this.length++
+}
+
+Yallist.prototype.pushNode = function (node) {
+  if (node === this.tail) {
+    return
+  }
+
+  if (node.list) {
+    node.list.removeNode(node)
+  }
+
+  var tail = this.tail
+  node.list = this
+  node.prev = tail
+  if (tail) {
+    tail.next = node
+  }
+
+  this.tail = node
+  if (!this.head) {
+    this.head = node
+  }
+  this.length++
+}
+
+Yallist.prototype.push = function () {
+  for (var i = 0, l = arguments.length; i < l; i++) {
+    push(this, arguments[i])
+  }
+  return this.length
+}
+
+Yallist.prototype.unshift = function () {
+  for (var i = 0, l = arguments.length; i < l; i++) {
+    unshift(this, arguments[i])
+  }
+  return this.length
+}
+
+Yallist.prototype.pop = function () {
+  if (!this.tail) {
+    return undefined
+  }
+
+  var res = this.tail.value
+  this.tail = this.tail.prev
+  if (this.tail) {
+    this.tail.next = null
+  } else {
+    this.head = null
+  }
+  this.length--
+  return res
+}
+
+Yallist.prototype.shift = function () {
+  if (!this.head) {
+    return undefined
+  }
+
+  var res = this.head.value
+  this.head = this.head.next
+  if (this.head) {
+    this.head.prev = null
+  } else {
+    this.tail = null
+  }
+  this.length--
+  return res
+}
+
+Yallist.prototype.forEach = function (fn, thisp) {
+  thisp = thisp || this
+  for (var walker = this.head, i = 0; walker !== null; i++) {
+    fn.call(thisp, walker.value, i, this)
+    walker = walker.next
+  }
+}
+
+Yallist.prototype.forEachReverse = function (fn, thisp) {
+  thisp = thisp || this
+  for (var walker = this.tail, i = this.length - 1; walker !== null; i--) {
+    fn.call(thisp, walker.value, i, this)
+    walker = walker.prev
+  }
+}
+
+Yallist.prototype.get = function (n) {
+  for (var i = 0, walker = this.head; walker !== null && i < n; i++) {
+    // abort out of the list early if we hit a cycle
+    walker = walker.next
+  }
+  if (i === n && walker !== null) {
+    return walker.value
+  }
+}
+
+Yallist.prototype.getReverse = function (n) {
+  for (var i = 0, walker = this.tail; walker !== null && i < n; i++) {
+    // abort out of the list early if we hit a cycle
+    walker = walker.prev
+  }
+  if (i === n && walker !== null) {
+    return walker.value
+  }
+}
+
+Yallist.prototype.map = function (fn, thisp) {
+  thisp = thisp || this
+  var res = new Yallist()
+  for (var walker = this.head; walker !== null;) {
+    res.push(fn.call(thisp, walker.value, this))
+    walker = walker.next
+  }
+  return res
+}
+
+Yallist.prototype.mapReverse = function (fn, thisp) {
+  thisp = thisp || this
+  var res = new Yallist()
+  for (var walker = this.tail; walker !== null;) {
+    res.push(fn.call(thisp, walker.value, this))
+    walker = walker.prev
+  }
+  return res
+}
+
+Yallist.prototype.reduce = function (fn, initial) {
+  var acc
+  var walker = this.head
+  if (arguments.length > 1) {
+    acc = initial
+  } else if (this.head) {
+    walker = this.head.next
+    acc = this.head.value
+  } else {
+    throw new TypeError('Reduce of empty list with no initial value')
+  }
+
+  for (var i = 0; walker !== null; i++) {
+    acc = fn(acc, walker.value, i)
+    walker = walker.next
+  }
+
+  return acc
+}
+
+Yallist.prototype.reduceReverse = function (fn, initial) {
+  var acc
+  var walker = this.tail
+  if (arguments.length > 1) {
+    acc = initial
+  } else if (this.tail) {
+    walker = this.tail.prev
+    acc = this.tail.value
+  } else {
+    throw new TypeError('Reduce of empty list with no initial value')
+  }
+
+  for (var i = this.length - 1; walker !== null; i--) {
+    acc = fn(acc, walker.value, i)
+    walker = walker.prev
+  }
+
+  return acc
+}
+
+Yallist.prototype.toArray = function () {
+  var arr = new Array(this.length)
+  for (var i = 0, walker = this.head; walker !== null; i++) {
+    arr[i] = walker.value
+    walker = walker.next
+  }
+  return arr
+}
+
+Yallist.prototype.toArrayReverse = function () {
+  var arr = new Array(this.length)
+  for (var i = 0, walker = this.tail; walker !== null; i++) {
+    arr[i] = walker.value
+    walker = walker.prev
+  }
+  return arr
+}
+
+Yallist.prototype.slice = function (from, to) {
+  to = to || this.length
+  if (to < 0) {
+    to += this.length
+  }
+  from = from || 0
+  if (from < 0) {
+    from += this.length
+  }
+  var ret = new Yallist()
+  if (to < from || to < 0) {
+    return ret
+  }
+  if (from < 0) {
+    from = 0
+  }
+  if (to > this.length) {
+    to = this.length
+  }
+  for (var i = 0, walker = this.head; walker !== null && i < from; i++) {
+    walker = walker.next
+  }
+  for (; walker !== null && i < to; i++, walker = walker.next) {
+    ret.push(walker.value)
+  }
+  return ret
+}
+
+Yallist.prototype.sliceReverse = function (from, to) {
+  to = to || this.length
+  if (to < 0) {
+    to += this.length
+  }
+  from = from || 0
+  if (from < 0) {
+    from += this.length
+  }
+  var ret = new Yallist()
+  if (to < from || to < 0) {
+    return ret
+  }
+  if (from < 0) {
+    from = 0
+  }
+  if (to > this.length) {
+    to = this.length
+  }
+  for (var i = this.length, walker = this.tail; walker !== null && i > to; i--) {
+    walker = walker.prev
+  }
+  for (; walker !== null && i > from; i--, walker = walker.prev) {
+    ret.push(walker.value)
+  }
+  return ret
+}
+
+Yallist.prototype.splice = function (start, deleteCount /*, ...nodes */) {
+  if (start > this.length) {
+    start = this.length - 1
+  }
+  if (start < 0) {
+    start = this.length + start;
+  }
+
+  for (var i = 0, walker = this.head; walker !== null && i < start; i++) {
+    walker = walker.next
+  }
+
+  var ret = []
+  for (var i = 0; walker && i < deleteCount; i++) {
+    ret.push(walker.value)
+    walker = this.removeNode(walker)
+  }
+  if (walker === null) {
+    walker = this.tail
+  }
+
+  if (walker !== this.head && walker !== this.tail) {
+    walker = walker.prev
+  }
+
+  for (var i = 2; i < arguments.length; i++) {
+    walker = insert(this, walker, arguments[i])
+  }
+  return ret;
+}
+
+Yallist.prototype.reverse = function () {
+  var head = this.head
+  var tail = this.tail
+  for (var walker = head; walker !== null; walker = walker.prev) {
+    var p = walker.prev
+    walker.prev = walker.next
+    walker.next = p
+  }
+  this.head = tail
+  this.tail = head
+  return this
+}
+
+function insert (self, node, value) {
+  var inserted = node === self.head ?
+    new Node(value, null, node, self) :
+    new Node(value, node, node.next, self)
+
+  if (inserted.next === null) {
+    self.tail = inserted
+  }
+  if (inserted.prev === null) {
+    self.head = inserted
+  }
+
+  self.length++
+
+  return inserted
+}
+
+function push (self, item) {
+  self.tail = new Node(item, self.tail, null, self)
+  if (!self.head) {
+    self.head = self.tail
+  }
+  self.length++
+}
+
+function unshift (self, item) {
+  self.head = new Node(item, null, self.head, self)
+  if (!self.tail) {
+    self.tail = self.head
+  }
+  self.length++
+}
+
+function Node (value, prev, next, list) {
+  if (!(this instanceof Node)) {
+    return new Node(value, prev, next, list)
+  }
+
+  this.list = list
+  this.value = value
+
+  if (prev) {
+    prev.next = this
+    this.prev = prev
+  } else {
+    this.prev = null
+  }
+
+  if (next) {
+    next.prev = this
+    this.next = next
+  } else {
+    this.next = null
+  }
+}
+
+try {
+  // add if support for Symbol.iterator is present
+  require('./iterator.js')(Yallist)
+} catch (er) {}
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..a4c491a3
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,7648 @@
+{
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+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "vue-pdf": "^4.3.0"
+      }
+    },
+    "node_modules/@types/json-schema": {
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+    },
+    "node_modules/@webassemblyjs/ast": {
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+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/ast/-/ast-1.9.0.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/helper-module-context": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/wast-parser": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/floating-point-hex-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.9.0.tgz",
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+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-api-error": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-api-error/-/helper-api-error-1.9.0.tgz",
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+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-buffer": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-buffer/-/helper-buffer-1.9.0.tgz",
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+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-code-frame": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.9.0.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/wast-printer": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/helper-fsm": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-fsm/-/helper-fsm-1.9.0.tgz",
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+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-module-context": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-module-context/-/helper-module-context-1.9.0.tgz",
+      "integrity": "sha512-MJCW8iGC08tMk2enck1aPW+BE5Cw8/7ph/VGZxwyvGbJwjktKkDK7vy7gAmMDx88D7mhDTCNKAW5tED+gZ0W8g==",
+      "peer": true,
+      "dependencies": {
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+      }
+    },
+    "node_modules/@webassemblyjs/helper-wasm-bytecode": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.9.0.tgz",
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+      "peer": true
+    },
+    "node_modules/@webassemblyjs/helper-wasm-section": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/helper-wasm-section/-/helper-wasm-section-1.9.0.tgz",
+      "integrity": "sha512-XnMB8l3ek4tvrKUUku+IVaXNHz2YsJyOOmz+MMkZvh8h1uSJpSen6vYnw3IoQ7WwEuAhL8Efjms1ZWjqh2agvw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/ieee754": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/ieee754/-/ieee754-1.9.0.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@xtuc/ieee754": "^1.2.0"
+      }
+    },
+    "node_modules/@webassemblyjs/leb128": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/leb128/-/leb128-1.9.0.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@xtuc/long": "4.2.2"
+      }
+    },
+    "node_modules/@webassemblyjs/utf8": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/utf8/-/utf8-1.9.0.tgz",
+      "integrity": "sha512-GZbQlWtopBTP0u7cHrEx+73yZKrQoBMpwkGEIqlacljhXCkVM1kMQge/Mf+csMJAjEdSwhOyLAS0AoR3AG5P8w==",
+      "peer": true
+    },
+    "node_modules/@webassemblyjs/wasm-edit": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-edit/-/wasm-edit-1.9.0.tgz",
+      "integrity": "sha512-FgHzBm80uwz5M8WKnMTn6j/sVbqilPdQXTWraSjBwFXSYGirpkSWE2R9Qvz9tNiTKQvoKILpCuTjBKzOIm0nxw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/helper-wasm-section": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0",
+        "@webassemblyjs/wasm-opt": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0",
+        "@webassemblyjs/wast-printer": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-gen": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-gen/-/wasm-gen-1.9.0.tgz",
+      "integrity": "sha512-cPE3o44YzOOHvlsb4+E9qSqjc9Qf9Na1OO/BHFy4OI91XDE14MjFN4lTMezzaIWdPqHnsTodGGNP+iRSYfGkjA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/ieee754": "1.9.0",
+        "@webassemblyjs/leb128": "1.9.0",
+        "@webassemblyjs/utf8": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-opt": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-opt/-/wasm-opt-1.9.0.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-buffer": "1.9.0",
+        "@webassemblyjs/wasm-gen": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wasm-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wasm-parser/-/wasm-parser-1.9.0.tgz",
+      "integrity": "sha512-9+wkMowR2AmdSWQzsPEjFU7njh8HTO5MqO8vjwEHuM+AMHioNqSBONRdr0NQQ3dVQrzp0s8lTcYqzUdb7YgELA==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-api-error": "1.9.0",
+        "@webassemblyjs/helper-wasm-bytecode": "1.9.0",
+        "@webassemblyjs/ieee754": "1.9.0",
+        "@webassemblyjs/leb128": "1.9.0",
+        "@webassemblyjs/utf8": "1.9.0"
+      }
+    },
+    "node_modules/@webassemblyjs/wast-parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmmirror.com/@webassemblyjs/wast-parser/-/wast-parser-1.9.0.tgz",
+      "integrity": "sha512-qsqSAP3QQ3LyZjNC/0jBJ/ToSxfYJ8kYyuiGvtn/8MK89VrNEfwj7BPQzJVHi0jGTRK2dGdJ5PRqhtjzoww+bw==",
+      "peer": true,
+      "dependencies": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/floating-point-hex-parser": "1.9.0",
+        "@webassemblyjs/helper-api-error": "1.9.0",
+        "@webassemblyjs/helper-code-frame": "1.9.0",
+        "@webassemblyjs/helper-fsm": "1.9.0",
+        "@xtuc/long": "4.2.2"
+      }
+    },
+    "node_modules/@webassemblyjs/wast-printer": {
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+            "is-glob": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmmirror.com/is-glob/-/is-glob-3.1.0.tgz",
+              "integrity": "sha512-UFpDDrPgM6qpnFNI+rh/p3bUaq9hKLZN8bMUWzxmcnZVS3omf4IPK+BrewlnWjO1WmUsMYuSjKh4UJuV4+Lqmw==",
+              "optional": true,
+              "peer": true,
+              "requires": {
+                "is-extglob": "^2.1.0"
+              }
+            }
+          }
+        },
+        "is-binary-path": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmmirror.com/is-binary-path/-/is-binary-path-1.0.1.tgz",
+          "integrity": "sha512-9fRVlXc0uCxEDj1nQzaWONSpbTfx0FmJfzHF7pwlI8DkWGoHBBea4Pg5Ky0ojwwxQmnSifgbKkI06Qv0Ljgj+Q==",
+          "optional": true,
+          "peer": true,
+          "requires": {
+            "binary-extensions": "^1.0.0"
+          }
+        },
+        "readdirp": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmmirror.com/readdirp/-/readdirp-2.2.1.tgz",
+          "integrity": "sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==",
+          "optional": true,
+          "peer": true,
+          "requires": {
+            "graceful-fs": "^4.1.11",
+            "micromatch": "^3.1.10",
+            "readable-stream": "^2.0.2"
+          }
+        }
+      }
+    },
+    "webpack": {
+      "version": "4.47.0",
+      "resolved": "https://registry.npmmirror.com/webpack/-/webpack-4.47.0.tgz",
+      "integrity": "sha512-td7fYwgLSrky3fI1EuU5cneU4+pbH6GgOfuKNS1tNPcfdGinGELAqsb/BP4nnvZyKSG2i/xFGU7+n2PvZA8HJQ==",
+      "peer": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-module-context": "1.9.0",
+        "@webassemblyjs/wasm-edit": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0",
+        "acorn": "^6.4.1",
+        "ajv": "^6.10.2",
+        "ajv-keywords": "^3.4.1",
+        "chrome-trace-event": "^1.0.2",
+        "enhanced-resolve": "^4.5.0",
+        "eslint-scope": "^4.0.3",
+        "json-parse-better-errors": "^1.0.2",
+        "loader-runner": "^2.4.0",
+        "loader-utils": "^1.2.3",
+        "memory-fs": "^0.4.1",
+        "micromatch": "^3.1.10",
+        "mkdirp": "^0.5.3",
+        "neo-async": "^2.6.1",
+        "node-libs-browser": "^2.2.1",
+        "schema-utils": "^1.0.0",
+        "tapable": "^1.1.3",
+        "terser-webpack-plugin": "^1.4.3",
+        "watchpack": "^1.7.4",
+        "webpack-sources": "^1.4.1"
+      },
+      "dependencies": {
+        "schema-utils": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmmirror.com/schema-utils/-/schema-utils-1.0.0.tgz",
+          "integrity": "sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==",
+          "peer": true,
+          "requires": {
+            "ajv": "^6.1.0",
+            "ajv-errors": "^1.0.0",
+            "ajv-keywords": "^3.1.0"
+          }
+        }
+      }
+    },
+    "webpack-sources": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmmirror.com/webpack-sources/-/webpack-sources-1.4.3.tgz",
+      "integrity": "sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==",
+      "peer": true,
+      "requires": {
+        "source-list-map": "^2.0.0",
+        "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmmirror.com/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "peer": true
+        }
+      }
+    },
+    "worker-farm": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmmirror.com/worker-farm/-/worker-farm-1.7.0.tgz",
+      "integrity": "sha512-rvw3QTZc8lAxyVrqcSGVm5yP/IJ2UcB3U0graE3LCFoZ0Yn2x4EoVSqJKdB/T5M+FLcRPjz4TDacRf3OCfNUzw==",
+      "peer": true,
+      "requires": {
+        "errno": "~0.1.7"
+      }
+    },
+    "worker-loader": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmmirror.com/worker-loader/-/worker-loader-2.0.0.tgz",
+      "integrity": "sha512-tnvNp4K3KQOpfRnD20m8xltE3eWh89Ye+5oj7wXEEHKac1P4oZ6p9oTj8/8ExqoSBnk9nu5Pr4nKfQ1hn2APJw==",
+      "requires": {
+        "loader-utils": "^1.0.0",
+        "schema-utils": "^0.4.0"
+      },
+      "dependencies": {
+        "schema-utils": {
+          "version": "0.4.7",
+          "resolved": "https://registry.npmmirror.com/schema-utils/-/schema-utils-0.4.7.tgz",
+          "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
+          "requires": {
+            "ajv": "^6.1.0",
+            "ajv-keywords": "^3.1.0"
+          }
+        }
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "peer": true
+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmmirror.com/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "peer": true
+    },
+    "y18n": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmmirror.com/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
+      "peer": true
+    },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "peer": true
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..60297aaf
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "vue-pdf": "^4.3.0"
+  }
+}
diff --git a/大唐会议后台/src/views/components/MeetingList.vue b/大唐会议后台/src/views/components/MeetingList.vue
index a7210aec..e24e1d58 100644
--- a/大唐会议后台/src/views/components/MeetingList.vue
+++ b/大唐会议后台/src/views/components/MeetingList.vue
@@ -18,33 +18,35 @@
             <div @click="handleInfoDel(item, index)">删除</div>
           </div>
         </div>
-        <div class="div-pdf" v-if="pdfId == item.id">
-          <div class="tools">
-            <button
-              :theme="'default'"
-              type="submit"
-              :title="'基础按钮'"
-              @click.stop="prePage"
-              class="mr10"
-            >
-              上一页
-            </button>
-            <div class="page">{{ pageNum }}/{{ pageTotalNum }}</div>
-            <button
-              :theme="'default'"
-              type="submit"
-              :title="'基础按钮'"
-              @click.stop="nextPage"
-              class="mr10"
-            >
-              下一页
-            </button>
-          </div>
-          <!-- <pdf ref="pdf" :page="pageNum" @progress="loadedRatio = $event" @page-loaded="pageLoaded($event)"
-						@num-pages="pageTotalNum=$event" @error="pdfError($event)" @link-clicked="page = $event"
-						:src="item.filePdfUrl">
-					</pdf> -->
+      </div>
+      <div class="div-pdf" v-if="pdfId == item.id">
+        <div class="tools">
+          <button type="submit" @click.stop="prePage" class="mr10">
+            上一页
+          </button>
+          <div class="page">{{ pageNum }}/{{ pageTotalNum }}</div>
+          <button type="submit" @click.stop="nextPage" class="mr10">
+            下一页
+          </button>
+          <button
+            style="max-width: 100px"
+            type="submit"
+            @click.stop="pdfId = ''"
+          >
+            关闭
+          </button>
         </div>
+        <pdf
+          ref="pdf"
+          :page="pageNum"
+          @progress="loadedRatio = $event"
+          @page-loaded="pageLoaded($event)"
+          @num-pages="pageTotalNum = $event"
+          @error="pdfError($event)"
+          @link-clicked="page = $event"
+          :src="item.filePdfUrl"
+        >
+        </pdf>
       </div>
       <div class="li-item" v-if="item.type == 'richtext'">
         <div class="li-text">{{ item.richtext }}</div>
@@ -67,12 +69,12 @@
 
 <script>
 import { meetingDetailsDel } from "@/api/meeting";
-// import pdf from 'vue-pdf'
+import pdf from "vue-pdf";
 export default {
   name: "MeetingList",
   props: ["infos"],
   components: {
-    // pdf
+    pdf,
   },
   data() {
     return {
@@ -159,12 +161,13 @@ export default {
 
 <style lang="scss" scoped>
 .div-pdf {
+  width: 50%;
   margin: 16px 0;
   padding: 16px;
   border: 1px solid #999;
   .tools {
     display: flex;
-    uni-button {
+    button {
       font-size: 18px;
       line-height: 44px;
       height: 44px;
@@ -225,10 +228,6 @@ export default {
   flex: 1;
 }
 
-.div-pdf {
-  width: 70%;
-}
-
 .li-item {
   display: flex;
   justify-content: space-between;
diff --git a/大唐会议后台/src/views/meetingDetails/index.vue b/大唐会议后台/src/views/meetingDetails/index.vue
index 3c8969cb..1caad71e 100644
--- a/大唐会议后台/src/views/meetingDetails/index.vue
+++ b/大唐会议后台/src/views/meetingDetails/index.vue
@@ -2,6 +2,7 @@
   <div class="app-container" v-loading="loading">
     <div class="div-box">
       <span class="div-title"> {{ listData.title }}</span>
+      <div @click="handleAdd">新增</div>
       <div class="div-ul">
         <MeetingList
           @handleRefresh="handleRefresh"
@@ -12,7 +13,7 @@
     <!-- 新增弹窗 -->
     <el-dialog
       :title="'新增'"
-      :visible.sync="$store.state.meetingOpen"
+      :visible.sync="open"
       width="780px"
       append-to-body
       class="popup"
@@ -74,7 +75,7 @@
       </el-form>
       <div slot="footer" class="dialog-footer">
         <el-button type="primary" @click="submitForm">确 定</el-button>
-        <el-button @click="$store.state.meetingOpen = false">取 消</el-button>
+        <el-button @click="open = false">取 消</el-button>
       </div>
     </el-dialog>
   </div>
@@ -124,6 +125,10 @@ export default {
     this.getList();
   },
   watch: {
+    // 删除后重新获取列表
+    "$store.state.meetingOpen"(newVal, oldVal) {
+      this.open = newVal;
+    },
     // 删除后重新获取列表
     "$store.state.metinQuery"(newVal, oldVal) {
       this.getList();
@@ -199,27 +204,21 @@ export default {
         this.listData = res.data;
       });
     },
-
-    /** 新增按钮操作 */
-    handleAdd() {
-      this.reset();
-      this.open = true;
-      this.title = "新增会议";
-    },
-    /** 修改按钮操作 */
-    handleUpdate(row) {
-      this.open = true;
-      this.title = "修改会议";
-      this.form = JSON.parse(JSON.stringify(row));
-    },
     /** 详情按钮操作 */
     handleDetails(row) {
       this.infosOpen = true;
       this.title = "会议详情";
       this.$router.push({ path: "/meeting/details", query: { id: row.id } });
     },
-    submitForm1() {
-      console.log("infosForm", this.infosForm);
+    handleAdd() {
+      this.open = true;
+      this.form = {
+        meetingId: this.$route.query.id,
+        type: "title",
+        title: "",
+        richtext: "",
+        "file-pdf": {},
+      };
     },
     /** 提交按钮 */
     submitForm: function () {